From 4913ab8f779582dc9da099a148a4670ede0e15aa Mon Sep 17 00:00:00 2001 From: Peter Jaszkowiak Date: Tue, 20 Feb 2024 20:55:13 -0700 Subject: [PATCH 0001/1716] Stabilize `LazyCell` and `LazyLock` (`lazy_cell`) --- .../rustc_const_eval/src/check_consts/ops.rs | 2 +- compiler/rustc_data_structures/src/lib.rs | 1 - compiler/rustc_error_messages/src/lib.rs | 1 - compiler/rustc_feature/src/lib.rs | 1 - compiler/rustc_hir_analysis/src/lib.rs | 1 - compiler/rustc_interface/src/lib.rs | 1 - compiler/rustc_lint_defs/src/builtin.rs | 10 ++--- compiler/rustc_session/src/lib.rs | 1 - library/core/src/cell.rs | 2 +- library/core/src/cell/lazy.rs | 20 ++++----- library/core/tests/lib.rs | 1 - library/std/src/lib.rs | 1 - library/std/src/sync/lazy_lock.rs | 41 +++++++++++-------- library/std/src/sync/mod.rs | 2 +- src/librustdoc/lib.rs | 1 - src/tools/clippy/clippy_dev/src/lib.rs | 1 - src/tools/clippy/src/driver.rs | 1 - src/tools/clippy/tests/compile-test.rs | 1 - src/tools/clippy/tests/dogfood.rs | 1 - .../clippy/tests/lint_message_convention.rs | 1 - src/tools/clippy/tests/workspace.rs | 2 - tests/ui/borrowck/issue-64453.stderr | 2 +- tests/ui/consts/issue-16538.stderr | 2 +- tests/ui/consts/issue-32829-2.stderr | 4 +- tests/ui/consts/mir_check_nonconst.stderr | 2 +- tests/ui/issues/issue-25901.stderr | 2 +- tests/ui/issues/issue-7364.stderr | 2 +- tests/ui/lint/suspicious-double-ref-op.rs | 1 - tests/ui/lint/suspicious-double-ref-op.stderr | 10 ++--- .../issue-35813-postfix-after-cast.stderr | 2 +- .../nested-closure.rs | 2 +- .../ui/static/static-mut-not-constant.stderr | 2 +- .../static-vec-repeat-not-constant.stderr | 2 +- .../statics/check-values-constraints.stderr | 16 ++++---- 34 files changed, 60 insertions(+), 82 deletions(-) diff --git a/compiler/rustc_const_eval/src/check_consts/ops.rs b/compiler/rustc_const_eval/src/check_consts/ops.rs index 8406e0f48762..90b622cae656 100644 --- a/compiler/rustc_const_eval/src/check_consts/ops.rs +++ b/compiler/rustc_const_eval/src/check_consts/ops.rs @@ -309,7 +309,7 @@ impl<'tcx> NonConstOp<'tcx> for FnCallNonConst<'tcx> { } if let ConstContext::Static(_) = ccx.const_kind() { - err.note("consider wrapping this expression in `Lazy::new(|| ...)` from the `once_cell` crate: https://crates.io/crates/once_cell"); + err.note("consider wrapping this expression in `std::sync::LazyLock::new(|| ...)`"); } err diff --git a/compiler/rustc_data_structures/src/lib.rs b/compiler/rustc_data_structures/src/lib.rs index 85b5a3cdb7c3..9781aae22eb3 100644 --- a/compiler/rustc_data_structures/src/lib.rs +++ b/compiler/rustc_data_structures/src/lib.rs @@ -24,7 +24,6 @@ #![feature(extend_one)] #![feature(hash_raw_entry)] #![feature(hasher_prefixfree_extras)] -#![feature(lazy_cell)] #![feature(lint_reasons)] #![feature(macro_metavar_expr)] #![feature(map_try_insert)] diff --git a/compiler/rustc_error_messages/src/lib.rs b/compiler/rustc_error_messages/src/lib.rs index 2a8f42220640..08388c5a58ed 100644 --- a/compiler/rustc_error_messages/src/lib.rs +++ b/compiler/rustc_error_messages/src/lib.rs @@ -1,6 +1,5 @@ #![doc(rust_logo)] #![feature(rustdoc_internals)] -#![feature(lazy_cell)] #![feature(rustc_attrs)] #![feature(type_alias_impl_trait)] #![allow(internal_features)] diff --git a/compiler/rustc_feature/src/lib.rs b/compiler/rustc_feature/src/lib.rs index 36ef8fe7816f..9cbf836ec76f 100644 --- a/compiler/rustc_feature/src/lib.rs +++ b/compiler/rustc_feature/src/lib.rs @@ -14,7 +14,6 @@ #![allow(internal_features)] #![feature(rustdoc_internals)] #![doc(rust_logo)] -#![feature(lazy_cell)] mod accepted; mod builtin_attrs; diff --git a/compiler/rustc_hir_analysis/src/lib.rs b/compiler/rustc_hir_analysis/src/lib.rs index d1e50e13894a..8fe81851f932 100644 --- a/compiler/rustc_hir_analysis/src/lib.rs +++ b/compiler/rustc_hir_analysis/src/lib.rs @@ -68,7 +68,6 @@ This API is completely unstable and subject to change. #![feature(iter_intersperse)] #![feature(let_chains)] #![feature(never_type)] -#![feature(lazy_cell)] #![feature(slice_partition_dedup)] #![feature(try_blocks)] diff --git a/compiler/rustc_interface/src/lib.rs b/compiler/rustc_interface/src/lib.rs index c1d460ddd086..8b1d9b706cac 100644 --- a/compiler/rustc_interface/src/lib.rs +++ b/compiler/rustc_interface/src/lib.rs @@ -1,5 +1,4 @@ #![feature(decl_macro)] -#![feature(lazy_cell)] #![feature(let_chains)] #![feature(thread_spawn_unchecked)] #![feature(try_blocks)] diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs index 617fe99ef6a7..747b7292a199 100644 --- a/compiler/rustc_lint_defs/src/builtin.rs +++ b/compiler/rustc_lint_defs/src/builtin.rs @@ -1316,10 +1316,8 @@ declare_lint! { /// * If you are trying to perform a one-time initialization of a global: /// * If the value can be computed at compile-time, consider using /// const-compatible values (see [Constant Evaluation]). - /// * For more complex single-initialization cases, consider using a - /// third-party crate, such as [`lazy_static`] or [`once_cell`]. - /// * If you are using the [nightly channel], consider the new - /// [`lazy`] module in the standard library. + /// * For more complex single-initialization cases, consider using + /// [`std::sync::LazyLock`]. /// * If you truly need a mutable global, consider using a [`static`], /// which has a variety of options: /// * Simple data types can be directly defined and mutated with an @@ -1334,9 +1332,7 @@ declare_lint! { /// [Constant Evaluation]: https://doc.rust-lang.org/reference/const_eval.html /// [`static`]: https://doc.rust-lang.org/reference/items/static-items.html /// [mutable `static`]: https://doc.rust-lang.org/reference/items/static-items.html#mutable-statics - /// [`lazy`]: https://doc.rust-lang.org/nightly/std/lazy/index.html - /// [`lazy_static`]: https://crates.io/crates/lazy_static - /// [`once_cell`]: https://crates.io/crates/once_cell + /// [`std::sync::LazyLock`]: https://doc.rust-lang.org/stable/std/sync/struct.LazyLock.html /// [`atomic`]: https://doc.rust-lang.org/std/sync/atomic/index.html /// [`Mutex`]: https://doc.rust-lang.org/std/sync/struct.Mutex.html pub CONST_ITEM_MUTATION, diff --git a/compiler/rustc_session/src/lib.rs b/compiler/rustc_session/src/lib.rs index ce866906e1e6..cb02fbdfee9e 100644 --- a/compiler/rustc_session/src/lib.rs +++ b/compiler/rustc_session/src/lib.rs @@ -1,5 +1,4 @@ #![feature(let_chains)] -#![feature(lazy_cell)] #![feature(option_get_or_insert_default)] #![feature(rustc_attrs)] #![feature(map_many_mut)] diff --git a/library/core/src/cell.rs b/library/core/src/cell.rs index 4b491ffdafa7..ac026de95da1 100644 --- a/library/core/src/cell.rs +++ b/library/core/src/cell.rs @@ -245,7 +245,7 @@ use crate::ptr::{self, NonNull}; mod lazy; mod once; -#[unstable(feature = "lazy_cell", issue = "109736")] +#[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] pub use lazy::LazyCell; #[stable(feature = "once_cell", since = "1.70.0")] pub use once::OnceCell; diff --git a/library/core/src/cell/lazy.rs b/library/core/src/cell/lazy.rs index 1b213f6a2941..47eab6fd0163 100644 --- a/library/core/src/cell/lazy.rs +++ b/library/core/src/cell/lazy.rs @@ -18,8 +18,6 @@ enum State { /// # Examples /// /// ``` -/// #![feature(lazy_cell)] -/// /// use std::cell::LazyCell; /// /// let lazy: LazyCell = LazyCell::new(|| { @@ -36,7 +34,7 @@ enum State { /// // 92 /// // 92 /// ``` -#[unstable(feature = "lazy_cell", issue = "109736")] +#[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] pub struct LazyCell T> { state: UnsafeCell>, } @@ -47,8 +45,6 @@ impl T> LazyCell { /// # Examples /// /// ``` - /// #![feature(lazy_cell)] - /// /// use std::cell::LazyCell; /// /// let hello = "Hello, World!".to_string(); @@ -58,7 +54,8 @@ impl T> LazyCell { /// assert_eq!(&*lazy, "HELLO, WORLD!"); /// ``` #[inline] - #[unstable(feature = "lazy_cell", issue = "109736")] + #[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] pub const fn new(f: F) -> LazyCell { LazyCell { state: UnsafeCell::new(State::Uninit(f)) } } @@ -70,7 +67,6 @@ impl T> LazyCell { /// # Examples /// /// ``` - /// #![feature(lazy_cell)] /// #![feature(lazy_cell_consume)] /// /// use std::cell::LazyCell; @@ -99,8 +95,6 @@ impl T> LazyCell { /// # Examples /// /// ``` - /// #![feature(lazy_cell)] - /// /// use std::cell::LazyCell; /// /// let lazy = LazyCell::new(|| 92); @@ -109,7 +103,7 @@ impl T> LazyCell { /// assert_eq!(&*lazy, &92); /// ``` #[inline] - #[unstable(feature = "lazy_cell", issue = "109736")] + #[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] pub fn force(this: &LazyCell) -> &T { // SAFETY: // This invalidates any mutable references to the data. The resulting @@ -173,7 +167,7 @@ impl LazyCell { } } -#[unstable(feature = "lazy_cell", issue = "109736")] +#[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] impl T> Deref for LazyCell { type Target = T; #[inline] @@ -182,7 +176,7 @@ impl T> Deref for LazyCell { } } -#[unstable(feature = "lazy_cell", issue = "109736")] +#[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] impl Default for LazyCell { /// Creates a new lazy value using `Default` as the initializing function. #[inline] @@ -191,7 +185,7 @@ impl Default for LazyCell { } } -#[unstable(feature = "lazy_cell", issue = "109736")] +#[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] impl fmt::Debug for LazyCell { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { let mut d = f.debug_tuple("LazyCell"); diff --git a/library/core/tests/lib.rs b/library/core/tests/lib.rs index 797108a8425d..e6828f6cb4ea 100644 --- a/library/core/tests/lib.rs +++ b/library/core/tests/lib.rs @@ -96,7 +96,6 @@ #![feature(pointer_is_aligned_to)] #![feature(portable_simd)] #![feature(ptr_metadata)] -#![feature(lazy_cell)] #![feature(unsized_tuple_coercion)] #![feature(const_option)] #![feature(const_option_ext)] diff --git a/library/std/src/lib.rs b/library/std/src/lib.rs index 4a18db3d5a3f..9d6576fa8411 100644 --- a/library/std/src/lib.rs +++ b/library/std/src/lib.rs @@ -395,7 +395,6 @@ #![feature(edition_panic)] #![feature(format_args_nl)] #![feature(get_many_mut)] -#![feature(lazy_cell)] #![feature(log_syntax)] #![feature(test)] #![feature(trace_macros)] diff --git a/library/std/src/sync/lazy_lock.rs b/library/std/src/sync/lazy_lock.rs index 27b59cfc8c24..16d5dc30552f 100644 --- a/library/std/src/sync/lazy_lock.rs +++ b/library/std/src/sync/lazy_lock.rs @@ -31,8 +31,6 @@ union Data { /// Initialize static variables with `LazyLock`. /// /// ``` -/// #![feature(lazy_cell)] -/// /// use std::collections::HashMap; /// /// use std::sync::LazyLock; @@ -61,8 +59,6 @@ union Data { /// ``` /// Initialize fields with `LazyLock`. /// ``` -/// #![feature(lazy_cell)] -/// /// use std::sync::LazyLock; /// /// #[derive(Debug)] @@ -76,8 +72,7 @@ union Data { /// println!("{}", *data.number); /// } /// ``` - -#[unstable(feature = "lazy_cell", issue = "109736")] +#[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] pub struct LazyLock T> { once: Once, data: UnsafeCell>, @@ -85,8 +80,21 @@ pub struct LazyLock T> { impl T> LazyLock { /// Creates a new lazy value with the given initializing function. + /// + /// # Examples + /// + /// ``` + /// use std::sync::LazyLock; + /// + /// let hello = "Hello, World!".to_string(); + /// + /// let lazy = LazyLock::new(|| hello.to_uppercase()); + /// + /// assert_eq!(&*lazy, "HELLO, WORLD!"); + /// ``` #[inline] - #[unstable(feature = "lazy_cell", issue = "109736")] + #[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] pub const fn new(f: F) -> LazyLock { LazyLock { once: Once::new(), data: UnsafeCell::new(Data { f: ManuallyDrop::new(f) }) } } @@ -107,7 +115,6 @@ impl T> LazyLock { /// # Examples /// /// ``` - /// #![feature(lazy_cell)] /// #![feature(lazy_cell_consume)] /// /// use std::sync::LazyLock; @@ -145,8 +152,6 @@ impl T> LazyLock { /// # Examples /// /// ``` - /// #![feature(lazy_cell)] - /// /// use std::sync::LazyLock; /// /// let lazy = LazyLock::new(|| 92); @@ -155,7 +160,7 @@ impl T> LazyLock { /// assert_eq!(&*lazy, &92); /// ``` #[inline] - #[unstable(feature = "lazy_cell", issue = "109736")] + #[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] pub fn force(this: &LazyLock) -> &T { this.once.call_once(|| { // SAFETY: `call_once` only runs this closure once, ever. @@ -191,7 +196,7 @@ impl LazyLock { } } -#[unstable(feature = "lazy_cell", issue = "109736")] +#[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] impl Drop for LazyLock { fn drop(&mut self) { match self.once.state() { @@ -204,7 +209,7 @@ impl Drop for LazyLock { } } -#[unstable(feature = "lazy_cell", issue = "109736")] +#[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] impl T> Deref for LazyLock { type Target = T; @@ -219,7 +224,7 @@ impl T> Deref for LazyLock { } } -#[unstable(feature = "lazy_cell", issue = "109736")] +#[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] impl Default for LazyLock { /// Creates a new lazy value using `Default` as the initializing function. #[inline] @@ -228,7 +233,7 @@ impl Default for LazyLock { } } -#[unstable(feature = "lazy_cell", issue = "109736")] +#[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] impl fmt::Debug for LazyLock { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { let mut d = f.debug_tuple("LazyLock"); @@ -242,13 +247,13 @@ impl fmt::Debug for LazyLock { // We never create a `&F` from a `&LazyLock` so it is fine // to not impl `Sync` for `F`. -#[unstable(feature = "lazy_cell", issue = "109736")] +#[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] unsafe impl Sync for LazyLock {} // auto-derived `Send` impl is OK. -#[unstable(feature = "lazy_cell", issue = "109736")] +#[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] impl RefUnwindSafe for LazyLock {} -#[unstable(feature = "lazy_cell", issue = "109736")] +#[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] impl UnwindSafe for LazyLock {} #[cfg(test)] diff --git a/library/std/src/sync/mod.rs b/library/std/src/sync/mod.rs index e8c35bd48a70..fb7d601b0947 100644 --- a/library/std/src/sync/mod.rs +++ b/library/std/src/sync/mod.rs @@ -179,7 +179,7 @@ pub use self::rwlock::{MappedRwLockReadGuard, MappedRwLockWriteGuard}; #[stable(feature = "rust1", since = "1.0.0")] pub use self::rwlock::{RwLock, RwLockReadGuard, RwLockWriteGuard}; -#[unstable(feature = "lazy_cell", issue = "109736")] +#[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] pub use self::lazy_lock::LazyLock; #[stable(feature = "once_cell", since = "1.70.0")] pub use self::once_lock::OnceLock; diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs index 0650afb90c7e..55346c768b66 100644 --- a/src/librustdoc/lib.rs +++ b/src/librustdoc/lib.rs @@ -8,7 +8,6 @@ #![feature(if_let_guard)] #![feature(impl_trait_in_assoc_type)] #![feature(iter_intersperse)] -#![feature(lazy_cell)] #![feature(let_chains)] #![feature(never_type)] #![feature(round_char_boundary)] diff --git a/src/tools/clippy/clippy_dev/src/lib.rs b/src/tools/clippy/clippy_dev/src/lib.rs index 385191e0361b..3aa43dbe23ed 100644 --- a/src/tools/clippy/clippy_dev/src/lib.rs +++ b/src/tools/clippy/clippy_dev/src/lib.rs @@ -1,4 +1,3 @@ -#![feature(lazy_cell)] #![feature(let_chains)] #![feature(rustc_private)] #![cfg_attr(feature = "deny-warnings", deny(warnings))] diff --git a/src/tools/clippy/src/driver.rs b/src/tools/clippy/src/driver.rs index 9e42abbc9aa9..f79da26964f3 100644 --- a/src/tools/clippy/src/driver.rs +++ b/src/tools/clippy/src/driver.rs @@ -2,7 +2,6 @@ #![allow(rustc::untranslatable_diagnostic)] #![feature(rustc_private)] #![feature(let_chains)] -#![feature(lazy_cell)] #![feature(lint_reasons)] #![cfg_attr(feature = "deny-warnings", deny(warnings))] // warn on lints, that are included in `rust-lang/rust`s bootstrap diff --git a/src/tools/clippy/tests/compile-test.rs b/src/tools/clippy/tests/compile-test.rs index b06a11702ec8..333a2ab58575 100644 --- a/src/tools/clippy/tests/compile-test.rs +++ b/src/tools/clippy/tests/compile-test.rs @@ -1,4 +1,3 @@ -#![feature(lazy_cell)] #![feature(is_sorted)] #![cfg_attr(feature = "deny-warnings", deny(warnings))] #![warn(rust_2018_idioms, unused_lifetimes)] diff --git a/src/tools/clippy/tests/dogfood.rs b/src/tools/clippy/tests/dogfood.rs index 3f16c180ea78..36a7a651c4d2 100644 --- a/src/tools/clippy/tests/dogfood.rs +++ b/src/tools/clippy/tests/dogfood.rs @@ -3,7 +3,6 @@ //! //! See [Eating your own dog food](https://en.wikipedia.org/wiki/Eating_your_own_dog_food) for context -#![feature(lazy_cell)] #![cfg_attr(feature = "deny-warnings", deny(warnings))] #![warn(rust_2018_idioms, unused_lifetimes)] diff --git a/src/tools/clippy/tests/lint_message_convention.rs b/src/tools/clippy/tests/lint_message_convention.rs index 98019c755276..6ce7e44474d8 100644 --- a/src/tools/clippy/tests/lint_message_convention.rs +++ b/src/tools/clippy/tests/lint_message_convention.rs @@ -1,4 +1,3 @@ -#![feature(lazy_cell)] #![cfg_attr(feature = "deny-warnings", deny(warnings))] #![warn(rust_2018_idioms, unused_lifetimes)] diff --git a/src/tools/clippy/tests/workspace.rs b/src/tools/clippy/tests/workspace.rs index 699ab2be199a..19ccc7ae9607 100644 --- a/src/tools/clippy/tests/workspace.rs +++ b/src/tools/clippy/tests/workspace.rs @@ -1,5 +1,3 @@ -#![feature(lazy_cell)] - use std::path::PathBuf; use std::process::Command; use test_utils::{CARGO_CLIPPY_PATH, IS_RUSTC_TEST_SUITE}; diff --git a/tests/ui/borrowck/issue-64453.stderr b/tests/ui/borrowck/issue-64453.stderr index 0e4a8d42f6e8..e671817633be 100644 --- a/tests/ui/borrowck/issue-64453.stderr +++ b/tests/ui/borrowck/issue-64453.stderr @@ -14,7 +14,7 @@ LL | static settings_dir: String = format!(""); | ^^^^^^^^^^^ | = note: calls in statics are limited to constant functions, tuple structs and tuple variants - = note: consider wrapping this expression in `Lazy::new(|| ...)` from the `once_cell` crate: https://crates.io/crates/once_cell + = note: consider wrapping this expression in `std::sync::LazyLock::new(|| ...)` = note: this error originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0507]: cannot move out of static item `settings_dir` diff --git a/tests/ui/consts/issue-16538.stderr b/tests/ui/consts/issue-16538.stderr index 3981b4ada491..c4f5364b4d78 100644 --- a/tests/ui/consts/issue-16538.stderr +++ b/tests/ui/consts/issue-16538.stderr @@ -5,7 +5,7 @@ LL | static foo: &Y::X = &*Y::foo(Y::x as *const Y::X); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: calls in statics are limited to constant functions, tuple structs and tuple variants - = note: consider wrapping this expression in `Lazy::new(|| ...)` from the `once_cell` crate: https://crates.io/crates/once_cell + = note: consider wrapping this expression in `std::sync::LazyLock::new(|| ...)` error[E0133]: dereference of raw pointer is unsafe and requires unsafe function or block --> $DIR/issue-16538.rs:11:22 diff --git a/tests/ui/consts/issue-32829-2.stderr b/tests/ui/consts/issue-32829-2.stderr index 0fec3581873e..bd0b8c15b558 100644 --- a/tests/ui/consts/issue-32829-2.stderr +++ b/tests/ui/consts/issue-32829-2.stderr @@ -13,7 +13,7 @@ LL | invalid(); | ^^^^^^^^^ | = note: calls in statics are limited to constant functions, tuple structs and tuple variants - = note: consider wrapping this expression in `Lazy::new(|| ...)` from the `once_cell` crate: https://crates.io/crates/once_cell + = note: consider wrapping this expression in `std::sync::LazyLock::new(|| ...)` error[E0015]: cannot call non-const fn `invalid` in statics --> $DIR/issue-32829-2.rs:54:9 @@ -22,7 +22,7 @@ LL | invalid(); | ^^^^^^^^^ | = note: calls in statics are limited to constant functions, tuple structs and tuple variants - = note: consider wrapping this expression in `Lazy::new(|| ...)` from the `once_cell` crate: https://crates.io/crates/once_cell + = note: consider wrapping this expression in `std::sync::LazyLock::new(|| ...)` error: aborting due to 3 previous errors diff --git a/tests/ui/consts/mir_check_nonconst.stderr b/tests/ui/consts/mir_check_nonconst.stderr index ea6a8b8ee4a5..95d64622ad7a 100644 --- a/tests/ui/consts/mir_check_nonconst.stderr +++ b/tests/ui/consts/mir_check_nonconst.stderr @@ -5,7 +5,7 @@ LL | static foo: Foo = bar(); | ^^^^^ | = note: calls in statics are limited to constant functions, tuple structs and tuple variants - = note: consider wrapping this expression in `Lazy::new(|| ...)` from the `once_cell` crate: https://crates.io/crates/once_cell + = note: consider wrapping this expression in `std::sync::LazyLock::new(|| ...)` error: aborting due to 1 previous error diff --git a/tests/ui/issues/issue-25901.stderr b/tests/ui/issues/issue-25901.stderr index 5c19abffa029..3fedfd964170 100644 --- a/tests/ui/issues/issue-25901.stderr +++ b/tests/ui/issues/issue-25901.stderr @@ -16,7 +16,7 @@ note: impl defined here, but it is not `const` LL | impl Deref for A { | ^^^^^^^^^^^^^^^^ = note: calls in statics are limited to constant functions, tuple structs and tuple variants - = note: consider wrapping this expression in `Lazy::new(|| ...)` from the `once_cell` crate: https://crates.io/crates/once_cell + = note: consider wrapping this expression in `std::sync::LazyLock::new(|| ...)` help: add `#![feature(const_trait_impl)]` to the crate attributes to enable | LL + #![feature(const_trait_impl)] diff --git a/tests/ui/issues/issue-7364.stderr b/tests/ui/issues/issue-7364.stderr index 3bf59a6d7114..d5b6dde1f10e 100644 --- a/tests/ui/issues/issue-7364.stderr +++ b/tests/ui/issues/issue-7364.stderr @@ -18,7 +18,7 @@ LL | static boxed: Box> = Box::new(RefCell::new(0)); | ^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: calls in statics are limited to constant functions, tuple structs and tuple variants - = note: consider wrapping this expression in `Lazy::new(|| ...)` from the `once_cell` crate: https://crates.io/crates/once_cell + = note: consider wrapping this expression in `std::sync::LazyLock::new(|| ...)` error: aborting due to 2 previous errors diff --git a/tests/ui/lint/suspicious-double-ref-op.rs b/tests/ui/lint/suspicious-double-ref-op.rs index bc8c23c7b895..5aeb81dbd65a 100644 --- a/tests/ui/lint/suspicious-double-ref-op.rs +++ b/tests/ui/lint/suspicious-double-ref-op.rs @@ -1,4 +1,3 @@ -#![feature(lazy_cell)] #![deny(suspicious_double_ref_op, noop_method_call)] use std::borrow::Borrow; diff --git a/tests/ui/lint/suspicious-double-ref-op.stderr b/tests/ui/lint/suspicious-double-ref-op.stderr index f5a71d40fc13..c956843c5078 100644 --- a/tests/ui/lint/suspicious-double-ref-op.stderr +++ b/tests/ui/lint/suspicious-double-ref-op.stderr @@ -1,29 +1,29 @@ error: using `.clone()` on a double reference, which returns `&Vec` instead of cloning the inner type - --> $DIR/suspicious-double-ref-op.rs:15:23 + --> $DIR/suspicious-double-ref-op.rs:14:23 | LL | let z: &Vec<_> = y.clone(); | ^^^^^^^^ | note: the lint level is defined here - --> $DIR/suspicious-double-ref-op.rs:2:9 + --> $DIR/suspicious-double-ref-op.rs:1:9 | LL | #![deny(suspicious_double_ref_op, noop_method_call)] | ^^^^^^^^^^^^^^^^^^^^^^^^ error: using `.clone()` on a double reference, which returns `&CloneType` instead of cloning the inner type - --> $DIR/suspicious-double-ref-op.rs:33:63 + --> $DIR/suspicious-double-ref-op.rs:32:63 | LL | let clone_type_ref_clone: &CloneType = clone_type_ref.clone(); | ^^^^^^^^ error: using `.deref()` on a double reference, which returns `&PlainType` instead of dereferencing the inner type - --> $DIR/suspicious-double-ref-op.rs:37:63 + --> $DIR/suspicious-double-ref-op.rs:36:63 | LL | let non_deref_type_deref: &PlainType = non_deref_type.deref(); | ^^^^^^^^ error: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type - --> $DIR/suspicious-double-ref-op.rs:41:44 + --> $DIR/suspicious-double-ref-op.rs:40:44 | LL | let _v: Vec<&str> = xs.iter().map(|x| x.clone()).collect(); // could use `*x` instead | ^^^^^^^^ diff --git a/tests/ui/parser/issues/issue-35813-postfix-after-cast.stderr b/tests/ui/parser/issues/issue-35813-postfix-after-cast.stderr index 7b896ce14266..66b57c772d54 100644 --- a/tests/ui/parser/issues/issue-35813-postfix-after-cast.stderr +++ b/tests/ui/parser/issues/issue-35813-postfix-after-cast.stderr @@ -352,7 +352,7 @@ LL | static bar: &[i32] = &(&[1,2,3] as &[i32][0..1]); | ^^^^^^ | = note: calls in statics are limited to constant functions, tuple structs and tuple variants - = note: consider wrapping this expression in `Lazy::new(|| ...)` from the `once_cell` crate: https://crates.io/crates/once_cell + = note: consider wrapping this expression in `std::sync::LazyLock::new(|| ...)` help: add `#![feature(const_trait_impl)]` to the crate attributes to enable | LL + #![feature(const_trait_impl)] diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/nested-closure.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/nested-closure.rs index d43fabcedec5..7bd372c16952 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/nested-closure.rs +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/nested-closure.rs @@ -1,6 +1,6 @@ //@ check-pass -#![feature(const_trait_impl, lazy_cell)] +#![feature(const_trait_impl)] use std::sync::LazyLock; diff --git a/tests/ui/static/static-mut-not-constant.stderr b/tests/ui/static/static-mut-not-constant.stderr index d125bec59435..46dc175cb298 100644 --- a/tests/ui/static/static-mut-not-constant.stderr +++ b/tests/ui/static/static-mut-not-constant.stderr @@ -5,7 +5,7 @@ LL | static mut a: Box = Box::new(3); | ^^^^^^^^^^^ | = note: calls in statics are limited to constant functions, tuple structs and tuple variants - = note: consider wrapping this expression in `Lazy::new(|| ...)` from the `once_cell` crate: https://crates.io/crates/once_cell + = note: consider wrapping this expression in `std::sync::LazyLock::new(|| ...)` error: aborting due to 1 previous error diff --git a/tests/ui/static/static-vec-repeat-not-constant.stderr b/tests/ui/static/static-vec-repeat-not-constant.stderr index db0c7eb8d35f..a3b930323d5b 100644 --- a/tests/ui/static/static-vec-repeat-not-constant.stderr +++ b/tests/ui/static/static-vec-repeat-not-constant.stderr @@ -5,7 +5,7 @@ LL | static a: [isize; 2] = [foo(); 2]; | ^^^^^ | = note: calls in statics are limited to constant functions, tuple structs and tuple variants - = note: consider wrapping this expression in `Lazy::new(|| ...)` from the `once_cell` crate: https://crates.io/crates/once_cell + = note: consider wrapping this expression in `std::sync::LazyLock::new(|| ...)` error: aborting due to 1 previous error diff --git a/tests/ui/statics/check-values-constraints.stderr b/tests/ui/statics/check-values-constraints.stderr index 45a699f575fb..24763c175fc8 100644 --- a/tests/ui/statics/check-values-constraints.stderr +++ b/tests/ui/statics/check-values-constraints.stderr @@ -26,7 +26,7 @@ LL | static STATIC11: Vec = vec![MyOwned]; | ^^^^^^^^^^^^^ | = note: calls in statics are limited to constant functions, tuple structs and tuple variants - = note: consider wrapping this expression in `Lazy::new(|| ...)` from the `once_cell` crate: https://crates.io/crates/once_cell + = note: consider wrapping this expression in `std::sync::LazyLock::new(|| ...)` = note: this error originates in the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0015]: cannot call non-const fn `::to_string` in statics @@ -36,7 +36,7 @@ LL | field2: SafeEnum::Variant4("str".to_string()), | ^^^^^^^^^^^ | = note: calls in statics are limited to constant functions, tuple structs and tuple variants - = note: consider wrapping this expression in `Lazy::new(|| ...)` from the `once_cell` crate: https://crates.io/crates/once_cell + = note: consider wrapping this expression in `std::sync::LazyLock::new(|| ...)` help: add `#![feature(const_trait_impl)]` to the crate attributes to enable | LL + #![feature(const_trait_impl)] @@ -57,7 +57,7 @@ LL | vec![MyOwned], | ^^^^^^^^^^^^^ | = note: calls in statics are limited to constant functions, tuple structs and tuple variants - = note: consider wrapping this expression in `Lazy::new(|| ...)` from the `once_cell` crate: https://crates.io/crates/once_cell + = note: consider wrapping this expression in `std::sync::LazyLock::new(|| ...)` = note: this error originates in the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0010]: allocations are not allowed in statics @@ -75,7 +75,7 @@ LL | vec![MyOwned], | ^^^^^^^^^^^^^ | = note: calls in statics are limited to constant functions, tuple structs and tuple variants - = note: consider wrapping this expression in `Lazy::new(|| ...)` from the `once_cell` crate: https://crates.io/crates/once_cell + = note: consider wrapping this expression in `std::sync::LazyLock::new(|| ...)` = note: this error originates in the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0010]: allocations are not allowed in statics @@ -93,7 +93,7 @@ LL | &vec![MyOwned], | ^^^^^^^^^^^^^ | = note: calls in statics are limited to constant functions, tuple structs and tuple variants - = note: consider wrapping this expression in `Lazy::new(|| ...)` from the `once_cell` crate: https://crates.io/crates/once_cell + = note: consider wrapping this expression in `std::sync::LazyLock::new(|| ...)` = note: this error originates in the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0010]: allocations are not allowed in statics @@ -111,7 +111,7 @@ LL | &vec![MyOwned], | ^^^^^^^^^^^^^ | = note: calls in statics are limited to constant functions, tuple structs and tuple variants - = note: consider wrapping this expression in `Lazy::new(|| ...)` from the `once_cell` crate: https://crates.io/crates/once_cell + = note: consider wrapping this expression in `std::sync::LazyLock::new(|| ...)` = note: this error originates in the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0010]: allocations are not allowed in statics @@ -129,7 +129,7 @@ LL | static STATIC19: Vec = vec![3]; | ^^^^^^^ | = note: calls in statics are limited to constant functions, tuple structs and tuple variants - = note: consider wrapping this expression in `Lazy::new(|| ...)` from the `once_cell` crate: https://crates.io/crates/once_cell + = note: consider wrapping this expression in `std::sync::LazyLock::new(|| ...)` = note: this error originates in the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0010]: allocations are not allowed in statics @@ -147,7 +147,7 @@ LL | static x: Vec = vec![3]; | ^^^^^^^ | = note: calls in statics are limited to constant functions, tuple structs and tuple variants - = note: consider wrapping this expression in `Lazy::new(|| ...)` from the `once_cell` crate: https://crates.io/crates/once_cell + = note: consider wrapping this expression in `std::sync::LazyLock::new(|| ...)` = note: this error originates in the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0507]: cannot move out of static item `x` From 007c61732677fcd388f9f7887578724d1003f915 Mon Sep 17 00:00:00 2001 From: Jubilee Young Date: Fri, 24 May 2024 01:33:55 -0700 Subject: [PATCH 0002/1716] clippy: unnest check_consts --- clippy_utils/src/qualify_min_const_fn.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/clippy_utils/src/qualify_min_const_fn.rs b/clippy_utils/src/qualify_min_const_fn.rs index 8ee7d87acb3e..81e94725a70c 100644 --- a/clippy_utils/src/qualify_min_const_fn.rs +++ b/clippy_utils/src/qualify_min_const_fn.rs @@ -6,7 +6,7 @@ use clippy_config::msrvs::{self, Msrv}; use hir::LangItem; use rustc_attr::StableSince; -use rustc_const_eval::transform::check_consts::ConstCx; +use rustc_const_eval::check_consts::ConstCx; use rustc_hir as hir; use rustc_hir::def_id::DefId; use rustc_infer::infer::TyCtxtInferExt; From a456300af569750232afc0e98da28c4786fce19b Mon Sep 17 00:00:00 2001 From: Peter Jaszkowiak Date: Tue, 20 Feb 2024 20:55:13 -0700 Subject: [PATCH 0003/1716] Stabilize `LazyCell` and `LazyLock` (`lazy_cell`) --- clippy_dev/src/lib.rs | 1 - src/driver.rs | 1 - tests/compile-test.rs | 1 - tests/dogfood.rs | 1 - tests/lint_message_convention.rs | 1 - tests/workspace.rs | 2 -- 6 files changed, 7 deletions(-) diff --git a/clippy_dev/src/lib.rs b/clippy_dev/src/lib.rs index 385191e0361b..3aa43dbe23ed 100644 --- a/clippy_dev/src/lib.rs +++ b/clippy_dev/src/lib.rs @@ -1,4 +1,3 @@ -#![feature(lazy_cell)] #![feature(let_chains)] #![feature(rustc_private)] #![cfg_attr(feature = "deny-warnings", deny(warnings))] diff --git a/src/driver.rs b/src/driver.rs index 9e42abbc9aa9..f79da26964f3 100644 --- a/src/driver.rs +++ b/src/driver.rs @@ -2,7 +2,6 @@ #![allow(rustc::untranslatable_diagnostic)] #![feature(rustc_private)] #![feature(let_chains)] -#![feature(lazy_cell)] #![feature(lint_reasons)] #![cfg_attr(feature = "deny-warnings", deny(warnings))] // warn on lints, that are included in `rust-lang/rust`s bootstrap diff --git a/tests/compile-test.rs b/tests/compile-test.rs index b06a11702ec8..333a2ab58575 100644 --- a/tests/compile-test.rs +++ b/tests/compile-test.rs @@ -1,4 +1,3 @@ -#![feature(lazy_cell)] #![feature(is_sorted)] #![cfg_attr(feature = "deny-warnings", deny(warnings))] #![warn(rust_2018_idioms, unused_lifetimes)] diff --git a/tests/dogfood.rs b/tests/dogfood.rs index 3f16c180ea78..36a7a651c4d2 100644 --- a/tests/dogfood.rs +++ b/tests/dogfood.rs @@ -3,7 +3,6 @@ //! //! See [Eating your own dog food](https://en.wikipedia.org/wiki/Eating_your_own_dog_food) for context -#![feature(lazy_cell)] #![cfg_attr(feature = "deny-warnings", deny(warnings))] #![warn(rust_2018_idioms, unused_lifetimes)] diff --git a/tests/lint_message_convention.rs b/tests/lint_message_convention.rs index 98019c755276..6ce7e44474d8 100644 --- a/tests/lint_message_convention.rs +++ b/tests/lint_message_convention.rs @@ -1,4 +1,3 @@ -#![feature(lazy_cell)] #![cfg_attr(feature = "deny-warnings", deny(warnings))] #![warn(rust_2018_idioms, unused_lifetimes)] diff --git a/tests/workspace.rs b/tests/workspace.rs index 699ab2be199a..19ccc7ae9607 100644 --- a/tests/workspace.rs +++ b/tests/workspace.rs @@ -1,5 +1,3 @@ -#![feature(lazy_cell)] - use std::path::PathBuf; use std::process::Command; use test_utils::{CARGO_CLIPPY_PATH, IS_RUSTC_TEST_SUITE}; From 214c49837a56c402ab28f7dd5eff08c7ae709c09 Mon Sep 17 00:00:00 2001 From: Tobias Bucher Date: Wed, 6 Mar 2024 12:42:32 +0100 Subject: [PATCH 0004/1716] Less syscalls for the `copy_file_range` probe If it's obvious from the actual syscall results themselves that the syscall is supported or unsupported, don't do an extra syscall with an invalid file descriptor. CC #122052 --- library/std/src/sys/pal/unix/kernel_copy.rs | 71 ++++++++++++++------- 1 file changed, 48 insertions(+), 23 deletions(-) diff --git a/library/std/src/sys/pal/unix/kernel_copy.rs b/library/std/src/sys/pal/unix/kernel_copy.rs index 18acd5ecccd5..60f4e55755d7 100644 --- a/library/std/src/sys/pal/unix/kernel_copy.rs +++ b/library/std/src/sys/pal/unix/kernel_copy.rs @@ -560,6 +560,12 @@ pub(super) fn copy_regular_files(reader: RawFd, writer: RawFd, max_len: u64) -> // We store the availability in a global to avoid unnecessary syscalls static HAS_COPY_FILE_RANGE: AtomicU8 = AtomicU8::new(NOT_PROBED); + let mut have_probed = match HAS_COPY_FILE_RANGE.load(Ordering::Relaxed) { + NOT_PROBED => false, + UNAVAILABLE => return CopyResult::Fallback(0), + _ => true, + }; + syscall! { fn copy_file_range( fd_in: libc::c_int, @@ -571,26 +577,6 @@ pub(super) fn copy_regular_files(reader: RawFd, writer: RawFd, max_len: u64) -> ) -> libc::ssize_t } - match HAS_COPY_FILE_RANGE.load(Ordering::Relaxed) { - NOT_PROBED => { - // EPERM can indicate seccomp filters or an immutable file. - // To distinguish these cases we probe with invalid file descriptors which should result in EBADF if the syscall is supported - // and some other error (ENOSYS or EPERM) if it's not available - let result = unsafe { - cvt(copy_file_range(INVALID_FD, ptr::null_mut(), INVALID_FD, ptr::null_mut(), 1, 0)) - }; - - if matches!(result.map_err(|e| e.raw_os_error()), Err(Some(EBADF))) { - HAS_COPY_FILE_RANGE.store(AVAILABLE, Ordering::Relaxed); - } else { - HAS_COPY_FILE_RANGE.store(UNAVAILABLE, Ordering::Relaxed); - return CopyResult::Fallback(0); - } - } - UNAVAILABLE => return CopyResult::Fallback(0), - _ => {} - }; - let mut written = 0u64; while written < max_len { let bytes_to_copy = cmp::min(max_len - written, usize::MAX as u64); @@ -604,6 +590,11 @@ pub(super) fn copy_regular_files(reader: RawFd, writer: RawFd, max_len: u64) -> cvt(copy_file_range(reader, ptr::null_mut(), writer, ptr::null_mut(), bytes_to_copy, 0)) }; + if !have_probed && copy_result.is_ok() { + have_probed = true; + HAS_COPY_FILE_RANGE.store(AVAILABLE, Ordering::Relaxed); + } + match copy_result { Ok(0) if written == 0 => { // fallback to work around several kernel bugs where copy_file_range will fail to @@ -616,10 +607,44 @@ pub(super) fn copy_regular_files(reader: RawFd, writer: RawFd, max_len: u64) -> Ok(0) => return CopyResult::Ended(written), // reached EOF Ok(ret) => written += ret as u64, Err(err) => { - return match err.raw_os_error() { + let raw_os_error = match err.raw_os_error() { + Some(raw) => raw, + _ => return CopyResult::Error(err, written), + }; + return match raw_os_error { // when file offset + max_length > u64::MAX - Some(EOVERFLOW) => CopyResult::Fallback(written), - Some(ENOSYS | EXDEV | EINVAL | EPERM | EOPNOTSUPP | EBADF) if written == 0 => { + EOVERFLOW => CopyResult::Fallback(written), + ENOSYS | EXDEV | EINVAL | EPERM | EOPNOTSUPP | EBADF if written == 0 => { + if !have_probed { + if raw_os_error == ENOSYS { + HAS_COPY_FILE_RANGE.store(UNAVAILABLE, Ordering::Relaxed); + } else { + // EPERM can indicate seccomp filters or an + // immutable file. To distinguish these cases + // we probe with invalid file descriptors which + // should result in EBADF if the syscall is + // supported and some other error (ENOSYS or + // EPERM) if it's not available. + let result = unsafe { + cvt(copy_file_range( + INVALID_FD, + ptr::null_mut(), + INVALID_FD, + ptr::null_mut(), + 1, + 0, + )) + }; + + if matches!(result.map_err(|e| e.raw_os_error()), Err(Some(EBADF))) + { + HAS_COPY_FILE_RANGE.store(AVAILABLE, Ordering::Relaxed); + } else { + HAS_COPY_FILE_RANGE.store(UNAVAILABLE, Ordering::Relaxed); + } + } + } + // Try fallback io::copy if either: // - Kernel version is < 4.5 (ENOSYS¹) // - Files are mounted on different fs (EXDEV) From 5073475b0e5477c3d02c219a4c2e7075891240a7 Mon Sep 17 00:00:00 2001 From: Tobias Bucher Date: Wed, 6 Mar 2024 14:37:25 +0100 Subject: [PATCH 0005/1716] Be stricter with `copy_file_range` probe results --- library/std/src/sys/pal/unix/kernel_copy.rs | 68 +++++++++++---------- 1 file changed, 35 insertions(+), 33 deletions(-) diff --git a/library/std/src/sys/pal/unix/kernel_copy.rs b/library/std/src/sys/pal/unix/kernel_copy.rs index 60f4e55755d7..1db86bdb180f 100644 --- a/library/std/src/sys/pal/unix/kernel_copy.rs +++ b/library/std/src/sys/pal/unix/kernel_copy.rs @@ -607,42 +607,44 @@ pub(super) fn copy_regular_files(reader: RawFd, writer: RawFd, max_len: u64) -> Ok(0) => return CopyResult::Ended(written), // reached EOF Ok(ret) => written += ret as u64, Err(err) => { - let raw_os_error = match err.raw_os_error() { - Some(raw) => raw, - _ => return CopyResult::Error(err, written), - }; - return match raw_os_error { + return match err.raw_os_error() { // when file offset + max_length > u64::MAX - EOVERFLOW => CopyResult::Fallback(written), - ENOSYS | EXDEV | EINVAL | EPERM | EOPNOTSUPP | EBADF if written == 0 => { + Some(EOVERFLOW) => CopyResult::Fallback(written), + Some(raw_os_error @ (ENOSYS | EXDEV | EINVAL | EPERM | EOPNOTSUPP | EBADF)) + if written == 0 => + { if !have_probed { - if raw_os_error == ENOSYS { - HAS_COPY_FILE_RANGE.store(UNAVAILABLE, Ordering::Relaxed); - } else { - // EPERM can indicate seccomp filters or an - // immutable file. To distinguish these cases - // we probe with invalid file descriptors which - // should result in EBADF if the syscall is - // supported and some other error (ENOSYS or - // EPERM) if it's not available. - let result = unsafe { - cvt(copy_file_range( - INVALID_FD, - ptr::null_mut(), - INVALID_FD, - ptr::null_mut(), - 1, - 0, - )) - }; - - if matches!(result.map_err(|e| e.raw_os_error()), Err(Some(EBADF))) - { - HAS_COPY_FILE_RANGE.store(AVAILABLE, Ordering::Relaxed); - } else { - HAS_COPY_FILE_RANGE.store(UNAVAILABLE, Ordering::Relaxed); + let available = match raw_os_error { + EPERM => { + // EPERM can indicate seccomp filters or an + // immutable file. To distinguish these + // cases we probe with invalid file + // descriptors which should result in EBADF + // if the syscall is supported and EPERM or + // ENOSYS if it's not available. + match unsafe { + cvt(copy_file_range( + INVALID_FD, + ptr::null_mut(), + INVALID_FD, + ptr::null_mut(), + 1, + 0, + )) + .map_err(|e| e.raw_os_error()) + } { + Err(Some(EPERM | ENOSYS)) => UNAVAILABLE, + Err(Some(EBADF)) => AVAILABLE, + Ok(_) => panic!("unexpected copy_file_range probe success"), + // Treat other errors as the syscall + // being unavailable. + Err(_) => UNAVAILABLE, + } } - } + ENOSYS => UNAVAILABLE, + _ => AVAILABLE, + }; + HAS_COPY_FILE_RANGE.store(available, Ordering::Relaxed); } // Try fallback io::copy if either: From 8e91a51cd81de5cf686d21db891634fecdc250c0 Mon Sep 17 00:00:00 2001 From: Matthias Geier Date: Tue, 2 Apr 2024 18:54:24 +0200 Subject: [PATCH 0006/1716] DOC: Add FFI example for slice::from_raw_parts() --- library/core/src/slice/raw.rs | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/library/core/src/slice/raw.rs b/library/core/src/slice/raw.rs index 29a12f106c5e..d001688d79d8 100644 --- a/library/core/src/slice/raw.rs +++ b/library/core/src/slice/raw.rs @@ -83,6 +83,27 @@ use crate::ub_checks; /// } /// ``` /// +/// ### FFI: Handling null pointers +/// +/// In languages such as C++, pointers to empty collections are not guaranteed to be non-null. +/// When accepting such pointers, they have to be checked for null-ness to avoid undefined +/// behavior. +/// +/// ``` +/// use std::slice; +/// +/// unsafe extern "C" fn handle_slice(ptr: *const f32, len: usize) { +/// let data = if ptr.is_null() { +/// // `len` is assumed to be 0. +/// &[] +/// } else { +/// unsafe { slice::from_raw_parts(ptr, len) } +/// }; +/// dbg!(data); +/// // ... +/// } +/// ``` +/// /// [valid]: ptr#safety /// [`NonNull::dangling()`]: ptr::NonNull::dangling #[inline] From a7238b9952ebc547db395af98e7dcec1d7794b02 Mon Sep 17 00:00:00 2001 From: Trevor Gross Date: Tue, 9 Apr 2024 23:20:32 -0400 Subject: [PATCH 0007/1716] Update documentation related to the recent cmd.exe fix Fix some grammar nits, change `bat` (extension) -> `batch` (file), and make line wrapping more consistent. --- library/std/src/os/windows/process.rs | 49 +++++++++++++++++---------- library/std/src/process.rs | 48 ++++++++++++++------------ 2 files changed, 59 insertions(+), 38 deletions(-) diff --git a/library/std/src/os/windows/process.rs b/library/std/src/os/windows/process.rs index 15ab22501223..9cca27fa5dd5 100644 --- a/library/std/src/os/windows/process.rs +++ b/library/std/src/os/windows/process.rs @@ -199,14 +199,14 @@ pub trait CommandExt: Sealed { /// Append literal text to the command line without any quoting or escaping. /// - /// This is useful for passing arguments to applications which doesn't follow + /// This is useful for passing arguments to applications that don't follow /// the standard C run-time escaping rules, such as `cmd.exe /c`. /// - /// # Bat files + /// # Batch files /// - /// Note the `cmd /c` command line has slightly different escaping rules then bat files + /// Note the `cmd /c` command line has slightly different escaping rules than batch files /// themselves. If possible, it may be better to write complex arguments to a temporary - /// .bat file, with appropriate escaping, and simply run that using: + /// `.bat` file, with appropriate escaping, and simply run that using: /// /// ```no_run /// # use std::process::Command; @@ -217,7 +217,7 @@ pub trait CommandExt: Sealed { /// /// # Example /// - /// Run a bat script using both trusted and untrusted arguments. + /// Run a batch script using both trusted and untrusted arguments. /// /// ```no_run /// #[cfg(windows)] @@ -241,9 +241,10 @@ pub trait CommandExt: Sealed { /// if !user_name.chars().all(|c| c.is_alphanumeric()) { /// return Err(Error::new(ErrorKind::InvalidInput, "invalid user name")); /// } - /// // now we've checked the user name, let's add that too. - /// cmd_args.push(' '); - /// cmd_args.push_str(&format!("--user {user_name}")); + /// + /// // now we have validated the user name, let's add that too. + /// cmd_args.push_str(" --user "); + /// cmd_args.push_str(user_name); /// /// // call cmd.exe and return the output /// Command::new("cmd.exe") @@ -287,25 +288,37 @@ pub trait CommandExt: Sealed { #[unstable(feature = "windows_process_extensions_async_pipes", issue = "98289")] fn async_pipes(&mut self, always_async: bool) -> &mut process::Command; - /// Sets a raw attribute on the command, providing extended configuration options for Windows processes. + /// Set a raw attribute on the command, providing extended configuration options for Windows + /// processes. /// - /// This method allows you to specify custom attributes for a child process on Windows systems using raw attribute values. - /// Raw attributes provide extended configurability for process creation, but their usage can be complex and potentially unsafe. + /// This method allows you to specify custom attributes for a child process on Windows systems + /// using raw attribute values. Raw attributes provide extended configurability for process + /// creation, but their usage can be complex and potentially unsafe. /// - /// The `attribute` parameter specifies the raw attribute to be set, while the `value` parameter holds the value associated with that attribute. - /// Please refer to the [`windows-rs`](https://microsoft.github.io/windows-docs-rs/doc/windows/) documentation or the [`Win32 API documentation`](https://learn.microsoft.com/en-us/windows/win32/api/processthreadsapi/nf-processthreadsapi-updateprocthreadattribute) for detailed information about available attributes and their meanings. + /// The `attribute` parameter specifies the raw attribute to be set, while the `value` + /// parameter holds the value associated with that attribute. Please refer to the + /// [`windows-rs` documentation] or the [Win32 API documentation] for detailed information + /// about available attributes and their meanings. + /// + /// [`windows-rs` documentation]: https://microsoft.github.io/windows-docs-rs/doc/windows/ + /// [Win32 API documentation]: https://learn.microsoft.com/en-us/windows/win32/api/processthreadsapi/nf-processthreadsapi-updateprocthreadattribute /// /// # Note /// /// The maximum number of raw attributes is the value of [`u32::MAX`]. - /// If this limit is exceeded, the call to [`process::Command::spawn`] will return an `Error` indicating that the maximum number of attributes has been exceeded. + /// If this limit is exceeded, the call to [`process::Command::spawn`] will return an `Error` + /// indicating that the maximum number of attributes has been exceeded. + /// /// # Safety /// - /// The usage of raw attributes is potentially unsafe and should be done with caution. Incorrect attribute values or improper configuration can lead to unexpected behavior or errors. + /// The usage of raw attributes is potentially unsafe and should be done with caution. + /// Incorrect attribute values or improper configuration can lead to unexpected behavior or + /// errors. /// /// # Example /// - /// The following example demonstrates how to create a child process with a specific parent process ID using a raw attribute. + /// The following example demonstrates how to create a child process with a specific parent + /// process ID using a raw attribute. /// /// ```rust /// #![feature(windows_process_extensions_raw_attribute)] @@ -339,7 +352,9 @@ pub trait CommandExt: Sealed { /// /// # Safety Note /// - /// Remember that improper use of raw attributes can lead to undefined behavior or security vulnerabilities. Always consult the documentation and ensure proper attribute values are used. + /// Remember that improper use of raw attributes can lead to undefined behavior or security + /// vulnerabilities. Always consult the documentation and ensure proper attribute values are + /// used. #[unstable(feature = "windows_process_extensions_raw_attribute", issue = "114854")] unsafe fn raw_attribute( &mut self, diff --git a/library/std/src/process.rs b/library/std/src/process.rs index 69cc61b30efe..ea72a87dd25c 100644 --- a/library/std/src/process.rs +++ b/library/std/src/process.rs @@ -90,8 +90,8 @@ //! //! # Windows argument splitting //! -//! On Unix systems arguments are passed to a new process as an array of strings -//! but on Windows arguments are passed as a single commandline string and it's +//! On Unix systems arguments are passed to a new process as an array of strings, +//! but on Windows arguments are passed as a single commandline string and it is //! up to the child process to parse it into an array. Therefore the parent and //! child processes must agree on how the commandline string is encoded. //! @@ -107,26 +107,26 @@ //! * Use [`raw_arg`] to build a custom commandline. This bypasses the escaping //! rules used by [`arg`] so should be used with due caution. //! -//! `cmd.exe` and `.bat` use non-standard argument parsing and are especially +//! `cmd.exe` and `.bat` files use non-standard argument parsing and are especially //! vulnerable to malicious input as they may be used to run arbitrary shell //! commands. Untrusted arguments should be restricted as much as possible. //! For examples on handling this see [`raw_arg`]. //! -//! ### Bat file special handling +//! ### Batch file special handling //! //! On Windows, `Command` uses the Windows API function [`CreateProcessW`] to -//! spawn new processes. An undocumented feature of this function is that, +//! spawn new processes. An undocumented feature of this function is that //! when given a `.bat` file as the application to run, it will automatically -//! convert that into running `cmd.exe /c` with the bat file as the next argument. +//! convert that into running `cmd.exe /c` with the batch file as the next argument. //! //! For historical reasons Rust currently preserves this behaviour when using //! [`Command::new`], and escapes the arguments according to `cmd.exe` rules. //! Due to the complexity of `cmd.exe` argument handling, it might not be -//! possible to safely escape some special chars, and using them will result +//! possible to safely escape some special characters, and using them will result //! in an error being returned at process spawn. The set of unescapeable -//! special chars might change between releases. +//! special characters might change between releases. //! -//! Also note that running `.bat` scripts in this way may be removed in the +//! Also note that running batch scripts in this way may be removed in the //! future and so should not be relied upon. //! //! [`spawn`]: Command::spawn @@ -655,16 +655,19 @@ impl Command { /// /// Note that the argument is not passed through a shell, but given /// literally to the program. This means that shell syntax like quotes, - /// escaped characters, word splitting, glob patterns, variable substitution, etc. - /// have no effect. + /// escaped characters, word splitting, glob patterns, variable substitution, + /// etc. have no effect. /// ///
/// - /// On Windows use caution with untrusted inputs. Most applications use the - /// standard convention for decoding arguments passed to them. These are safe to use with `arg`. - /// However some applications, such as `cmd.exe` and `.bat` files, use a non-standard way of decoding arguments - /// and are therefore vulnerable to malicious input. - /// In the case of `cmd.exe` this is especially important because a malicious argument can potentially run arbitrary shell commands. + /// On Windows, use caution with untrusted inputs. Most applications use the + /// standard convention for decoding arguments passed to them. These are safe to + /// use with `arg`. However, some applications such as `cmd.exe` and `.bat` files + /// use a non-standard way of decoding arguments. They are therefore vulnerable + /// to malicious input. + /// + /// In the case of `cmd.exe` this is especially important because a malicious + /// argument can potentially run arbitrary shell commands. /// /// See [Windows argument splitting][windows-args] for more details /// or [`raw_arg`] for manually implementing non-standard argument encoding. @@ -706,11 +709,14 @@ impl Command { /// ///
/// - /// On Windows use caution with untrusted inputs. Most applications use the - /// standard convention for decoding arguments passed to them. These are safe to use with `args`. - /// However some applications, such as `cmd.exe` and `.bat` files, use a non-standard way of decoding arguments - /// and are therefore vulnerable to malicious input. - /// In the case of `cmd.exe` this is especially important because a malicious argument can potentially run arbitrary shell commands. + /// On Windows, use caution with untrusted inputs. Most applications use the + /// standard convention for decoding arguments passed to them. These are safe to + /// use with `arg`. However, some applications such as `cmd.exe` and `.bat` files + /// use a non-standard way of decoding arguments. They are therefore vulnerable + /// to malicious input. + /// + /// In the case of `cmd.exe` this is especially important because a malicious + /// argument can potentially run arbitrary shell commands. /// /// See [Windows argument splitting][windows-args] for more details /// or [`raw_arg`] for manually implementing non-standard argument encoding. From cf0b55eb6232491a7c29ac0f47564b6ee7adb13e Mon Sep 17 00:00:00 2001 From: Alex Macleod Date: Tue, 11 Apr 2023 19:47:44 +0000 Subject: [PATCH 0008/1716] Add `needless_maybe_sized` lint --- CHANGELOG.md | 1 + clippy_lints/src/declared_lints.rs | 1 + clippy_lints/src/lib.rs | 2 + clippy_lints/src/needless_maybe_sized.rs | 164 ++++++++ .../ui-toml/type_repetition_in_bounds/main.rs | 1 + .../type_repetition_in_bounds/main.stderr | 2 +- tests/ui/auxiliary/proc_macros.rs | 6 +- tests/ui/needless_maybe_sized.fixed | 116 ++++++ tests/ui/needless_maybe_sized.rs | 119 ++++++ tests/ui/needless_maybe_sized.stderr | 353 ++++++++++++++++++ tests/ui/type_repetition_in_bounds.rs | 6 +- tests/ui/type_repetition_in_bounds.stderr | 10 +- 12 files changed, 771 insertions(+), 10 deletions(-) create mode 100644 clippy_lints/src/needless_maybe_sized.rs create mode 100644 tests/ui/needless_maybe_sized.fixed create mode 100644 tests/ui/needless_maybe_sized.rs create mode 100644 tests/ui/needless_maybe_sized.stderr diff --git a/CHANGELOG.md b/CHANGELOG.md index bd3a04e34ae3..aaa53d8a6cb8 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -5523,6 +5523,7 @@ Released 2018-09-13 [`needless_late_init`]: https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init [`needless_lifetimes`]: https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes [`needless_match`]: https://rust-lang.github.io/rust-clippy/master/index.html#needless_match +[`needless_maybe_sized`]: https://rust-lang.github.io/rust-clippy/master/index.html#needless_maybe_sized [`needless_option_as_deref`]: https://rust-lang.github.io/rust-clippy/master/index.html#needless_option_as_deref [`needless_option_take`]: https://rust-lang.github.io/rust-clippy/master/index.html#needless_option_take [`needless_parens_on_range_literals`]: https://rust-lang.github.io/rust-clippy/master/index.html#needless_parens_on_range_literals diff --git a/clippy_lints/src/declared_lints.rs b/clippy_lints/src/declared_lints.rs index 5ff7d8e51343..dd16e13e7add 100644 --- a/clippy_lints/src/declared_lints.rs +++ b/clippy_lints/src/declared_lints.rs @@ -527,6 +527,7 @@ pub(crate) static LINTS: &[&crate::LintInfo] = &[ crate::needless_for_each::NEEDLESS_FOR_EACH_INFO, crate::needless_if::NEEDLESS_IF_INFO, crate::needless_late_init::NEEDLESS_LATE_INIT_INFO, + crate::needless_maybe_sized::NEEDLESS_MAYBE_SIZED_INFO, crate::needless_parens_on_range_literals::NEEDLESS_PARENS_ON_RANGE_LITERALS_INFO, crate::needless_pass_by_ref_mut::NEEDLESS_PASS_BY_REF_MUT_INFO, crate::needless_pass_by_value::NEEDLESS_PASS_BY_VALUE_INFO, diff --git a/clippy_lints/src/lib.rs b/clippy_lints/src/lib.rs index e2aac58bf979..bfddbffe9b23 100644 --- a/clippy_lints/src/lib.rs +++ b/clippy_lints/src/lib.rs @@ -254,6 +254,7 @@ mod needless_else; mod needless_for_each; mod needless_if; mod needless_late_init; +mod needless_maybe_sized; mod needless_parens_on_range_literals; mod needless_pass_by_ref_mut; mod needless_pass_by_value; @@ -1032,6 +1033,7 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { store.register_late_pass(|_| Box::new(no_mangle_with_rust_abi::NoMangleWithRustAbi)); store.register_late_pass(|_| Box::new(collection_is_never_read::CollectionIsNeverRead)); store.register_late_pass(|_| Box::new(missing_assert_message::MissingAssertMessage)); + store.register_late_pass(|_| Box::new(needless_maybe_sized::NeedlessMaybeSized)); store.register_late_pass(|_| Box::new(redundant_async_block::RedundantAsyncBlock)); store.register_late_pass(|_| Box::new(let_with_type_underscore::UnderscoreTyped)); store.register_late_pass(|_| Box::new(allow_attributes::AllowAttribute)); diff --git a/clippy_lints/src/needless_maybe_sized.rs b/clippy_lints/src/needless_maybe_sized.rs new file mode 100644 index 000000000000..06ae1723a03d --- /dev/null +++ b/clippy_lints/src/needless_maybe_sized.rs @@ -0,0 +1,164 @@ +use clippy_utils::diagnostics::span_lint_and_then; +use rustc_errors::Applicability; +use rustc_hir::def_id::{DefId, DefIdMap}; +use rustc_hir::{GenericBound, Generics, PolyTraitRef, TraitBoundModifier, WherePredicate}; +use rustc_lint::{LateContext, LateLintPass}; +use rustc_middle::ty::{ClauseKind, PredicatePolarity}; +use rustc_session::declare_lint_pass; +use rustc_span::symbol::Ident; + +declare_clippy_lint! { + /// ### What it does + /// Lints `?Sized` bounds applied to type parameters that cannot be unsized + /// + /// ### Why is this bad? + /// The `?Sized` bound is misleading because it cannot be satisfied by an + /// unsized type + /// + /// ### Example + /// ```rust + /// // `T` cannot be unsized because `Clone` requires it to be `Sized` + /// fn f(t: &T) {} + /// ``` + /// Use instead: + /// ```rust + /// fn f(t: &T) {} + /// + /// // or choose alternative bounds for `T` so that it can be unsized + /// ``` + #[clippy::version = "1.79.0"] + pub NEEDLESS_MAYBE_SIZED, + suspicious, + "a `?Sized` bound that is unusable due to a `Sized` requirement" +} +declare_lint_pass!(NeedlessMaybeSized => [NEEDLESS_MAYBE_SIZED]); + +#[allow(clippy::struct_field_names)] +struct Bound<'tcx> { + /// The [`DefId`] of the type parameter the bound refers to + param: DefId, + ident: Ident, + + trait_bound: &'tcx PolyTraitRef<'tcx>, + modifier: TraitBoundModifier, + + predicate_pos: usize, + bound_pos: usize, +} + +/// Finds all of the [`Bound`]s that refer to a type parameter and are not from a macro expansion +fn type_param_bounds<'tcx>(generics: &'tcx Generics<'tcx>) -> impl Iterator> { + generics + .predicates + .iter() + .enumerate() + .filter_map(|(predicate_pos, predicate)| { + let WherePredicate::BoundPredicate(bound_predicate) = predicate else { + return None; + }; + + let (param, ident) = bound_predicate.bounded_ty.as_generic_param()?; + + Some( + bound_predicate + .bounds + .iter() + .enumerate() + .filter_map(move |(bound_pos, bound)| match bound { + &GenericBound::Trait(ref trait_bound, modifier) => Some(Bound { + param, + ident, + trait_bound, + modifier, + predicate_pos, + bound_pos, + }), + GenericBound::Outlives(_) => None, + }) + .filter(|bound| !bound.trait_bound.span.from_expansion()), + ) + }) + .flatten() +} + +/// Searches the supertraits of the trait referred to by `trait_bound` recursively, returning the +/// path taken to find a `Sized` bound if one is found +fn path_to_sized_bound(cx: &LateContext<'_>, trait_bound: &PolyTraitRef<'_>) -> Option> { + fn search(cx: &LateContext<'_>, path: &mut Vec) -> bool { + let trait_def_id = *path.last().unwrap(); + + if Some(trait_def_id) == cx.tcx.lang_items().sized_trait() { + return true; + } + + for &(predicate, _) in cx.tcx.super_predicates_of(trait_def_id).predicates { + if let ClauseKind::Trait(trait_predicate) = predicate.kind().skip_binder() + && trait_predicate.polarity == PredicatePolarity::Positive + && !path.contains(&trait_predicate.def_id()) + { + path.push(trait_predicate.def_id()); + if search(cx, path) { + return true; + } + path.pop(); + } + } + + false + } + + let mut path = vec![trait_bound.trait_ref.trait_def_id()?]; + search(cx, &mut path).then_some(path) +} + +impl LateLintPass<'_> for NeedlessMaybeSized { + fn check_generics(&mut self, cx: &LateContext<'_>, generics: &Generics<'_>) { + let Some(sized_trait) = cx.tcx.lang_items().sized_trait() else { + return; + }; + + let maybe_sized_params: DefIdMap<_> = type_param_bounds(generics) + .filter(|bound| { + bound.trait_bound.trait_ref.trait_def_id() == Some(sized_trait) + && bound.modifier == TraitBoundModifier::Maybe + }) + .map(|bound| (bound.param, bound)) + .collect(); + + for bound in type_param_bounds(generics) { + if bound.modifier == TraitBoundModifier::None + && let Some(sized_bound) = maybe_sized_params.get(&bound.param) + && let Some(path) = path_to_sized_bound(cx, bound.trait_bound) + { + span_lint_and_then( + cx, + NEEDLESS_MAYBE_SIZED, + sized_bound.trait_bound.span, + "`?Sized` bound is ignored because of a `Sized` requirement", + |diag| { + let ty_param = sized_bound.ident; + diag.span_note( + bound.trait_bound.span, + format!("`{ty_param}` cannot be unsized because of the bound"), + ); + + for &[current_id, next_id] in path.array_windows() { + let current = cx.tcx.item_name(current_id); + let next = cx.tcx.item_name(next_id); + diag.note(format!("...because `{current}` has the bound `{next}`")); + } + + diag.span_suggestion_verbose( + generics.span_for_bound_removal(sized_bound.predicate_pos, sized_bound.bound_pos), + "change the bounds that require `Sized`, or remove the `?Sized` bound", + "", + Applicability::MaybeIncorrect, + ); + }, + ); + + return; + } + } + } +} diff --git a/tests/ui-toml/type_repetition_in_bounds/main.rs b/tests/ui-toml/type_repetition_in_bounds/main.rs index 2454c10382df..7f93d2071c9d 100644 --- a/tests/ui-toml/type_repetition_in_bounds/main.rs +++ b/tests/ui-toml/type_repetition_in_bounds/main.rs @@ -1,3 +1,4 @@ +#![allow(clippy::needless_maybe_sized)] #![warn(clippy::type_repetition_in_bounds)] fn f() diff --git a/tests/ui-toml/type_repetition_in_bounds/main.stderr b/tests/ui-toml/type_repetition_in_bounds/main.stderr index 6005f76b94be..c5102c39d1cf 100644 --- a/tests/ui-toml/type_repetition_in_bounds/main.stderr +++ b/tests/ui-toml/type_repetition_in_bounds/main.stderr @@ -1,5 +1,5 @@ error: this type has already been used as a bound predicate - --> tests/ui-toml/type_repetition_in_bounds/main.rs:13:5 + --> tests/ui-toml/type_repetition_in_bounds/main.rs:14:5 | LL | T: Unpin + PartialEq, | ^^^^^^^^^^^^^^^^^^^^ diff --git a/tests/ui/auxiliary/proc_macros.rs b/tests/ui/auxiliary/proc_macros.rs index 3303eb145678..4a81a191e726 100644 --- a/tests/ui/auxiliary/proc_macros.rs +++ b/tests/ui/auxiliary/proc_macros.rs @@ -57,7 +57,7 @@ fn group_with_span(delimiter: Delimiter, stream: TokenStream, span: Span) -> Gro const ESCAPE_CHAR: char = '$'; /// Takes a single token followed by a sequence of tokens. Returns the sequence of tokens with their -/// span set to that of the first token. Tokens may be escaped with either `#ident` or `#(tokens)`. +/// span set to that of the first token. Tokens may be escaped with either `$ident` or `$(tokens)`. #[proc_macro] pub fn with_span(input: TokenStream) -> TokenStream { let mut iter = input.into_iter(); @@ -71,7 +71,7 @@ pub fn with_span(input: TokenStream) -> TokenStream { } /// Takes a sequence of tokens and return the tokens with the span set such that they appear to be -/// from an external macro. Tokens may be escaped with either `#ident` or `#(tokens)`. +/// from an external macro. Tokens may be escaped with either `$ident` or `$(tokens)`. #[proc_macro] pub fn external(input: TokenStream) -> TokenStream { let mut res = TokenStream::new(); @@ -83,7 +83,7 @@ pub fn external(input: TokenStream) -> TokenStream { } /// Copies all the tokens, replacing all their spans with the given span. Tokens can be escaped -/// either by `#ident` or `#(tokens)`. +/// either by `$ident` or `$(tokens)`. fn write_with_span(s: Span, mut input: IntoIter, out: &mut TokenStream) -> Result<()> { while let Some(tt) = input.next() { match tt { diff --git a/tests/ui/needless_maybe_sized.fixed b/tests/ui/needless_maybe_sized.fixed new file mode 100644 index 000000000000..4d24a7cee619 --- /dev/null +++ b/tests/ui/needless_maybe_sized.fixed @@ -0,0 +1,116 @@ +//@aux-build:proc_macros.rs + +#![allow(unused, clippy::multiple_bound_locations)] +#![warn(clippy::needless_maybe_sized)] + +extern crate proc_macros; +use proc_macros::external; + +fn directly(t: &T) {} + +trait A: Sized {} +trait B: A {} + +fn depth_1(t: &T) {} +fn depth_2(t: &T) {} + +// We only need to show one +fn multiple_paths(t: &T) {} + +fn in_where(t: &T) +where + T: Sized, +{ +} + +fn mixed_1(t: &T) +{ +} + +fn mixed_2(t: &T) +where + T: Sized, +{ +} + +fn mixed_3(t: &T) +where + T: Sized, +{ +} + +struct Struct(T); + +impl Struct { + fn method(&self) {} +} + +enum Enum { + Variant(&'static T), +} + +union Union<'a, T: Sized> { + a: &'a T, +} + +trait Trait { + fn trait_method() {} + + type GAT; + + type Assoc: Sized + ?Sized; // False negative +} + +trait SecondInTrait: Send + Sized {} +fn second_in_trait() {} + +fn impl_trait(_: &(impl Sized)) {} + +trait GenericTrait: Sized {} +fn in_generic_trait, U>() {} + +mod larger_graph { + // C1 C2 Sized + // \ /\ / + // B1 B2 + // \ / + // A1 + + trait C1 {} + trait C2 {} + trait B1: C1 + C2 {} + trait B2: C2 + Sized {} + trait A1: B1 + B2 {} + + fn larger_graph() {} +} + +// Should not lint + +fn sized() {} +fn maybe_sized() {} + +struct SeparateBounds(T); +impl SeparateBounds {} + +trait P {} +trait Q: P {} + +fn ok_depth_1() {} +fn ok_depth_2() {} + +external! { + fn in_macro(t: &T) {} + + fn with_local_clone(t: &T) {} +} + +#[derive(Clone)] +struct InDerive { + t: T, +} + +struct Refined(T); +impl Refined {} + +fn main() {} diff --git a/tests/ui/needless_maybe_sized.rs b/tests/ui/needless_maybe_sized.rs new file mode 100644 index 000000000000..ef66f9a4f2ae --- /dev/null +++ b/tests/ui/needless_maybe_sized.rs @@ -0,0 +1,119 @@ +//@aux-build:proc_macros.rs + +#![allow(unused, clippy::multiple_bound_locations)] +#![warn(clippy::needless_maybe_sized)] + +extern crate proc_macros; +use proc_macros::external; + +fn directly(t: &T) {} + +trait A: Sized {} +trait B: A {} + +fn depth_1(t: &T) {} +fn depth_2(t: &T) {} + +// We only need to show one +fn multiple_paths(t: &T) {} + +fn in_where(t: &T) +where + T: Sized + ?Sized, +{ +} + +fn mixed_1(t: &T) +where + T: ?Sized, +{ +} + +fn mixed_2(t: &T) +where + T: Sized, +{ +} + +fn mixed_3(t: &T) +where + T: Sized, + T: ?Sized, +{ +} + +struct Struct(T); + +impl Struct { + fn method(&self) {} +} + +enum Enum { + Variant(&'static T), +} + +union Union<'a, T: Sized + ?Sized> { + a: &'a T, +} + +trait Trait { + fn trait_method() {} + + type GAT; + + type Assoc: Sized + ?Sized; // False negative +} + +trait SecondInTrait: Send + Sized {} +fn second_in_trait() {} + +fn impl_trait(_: &(impl Sized + ?Sized)) {} + +trait GenericTrait: Sized {} +fn in_generic_trait + ?Sized, U>() {} + +mod larger_graph { + // C1 C2 Sized + // \ /\ / + // B1 B2 + // \ / + // A1 + + trait C1 {} + trait C2 {} + trait B1: C1 + C2 {} + trait B2: C2 + Sized {} + trait A1: B1 + B2 {} + + fn larger_graph() {} +} + +// Should not lint + +fn sized() {} +fn maybe_sized() {} + +struct SeparateBounds(T); +impl SeparateBounds {} + +trait P {} +trait Q: P {} + +fn ok_depth_1() {} +fn ok_depth_2() {} + +external! { + fn in_macro(t: &T) {} + + fn with_local_clone(t: &T) {} +} + +#[derive(Clone)] +struct InDerive { + t: T, +} + +struct Refined(T); +impl Refined {} + +fn main() {} diff --git a/tests/ui/needless_maybe_sized.stderr b/tests/ui/needless_maybe_sized.stderr new file mode 100644 index 000000000000..3b1d2b49b062 --- /dev/null +++ b/tests/ui/needless_maybe_sized.stderr @@ -0,0 +1,353 @@ +error: `?Sized` bound is ignored because of a `Sized` requirement + --> tests/ui/needless_maybe_sized.rs:9:24 + | +LL | fn directly(t: &T) {} + | ^^^^^^ + | +note: `T` cannot be unsized because of the bound + --> tests/ui/needless_maybe_sized.rs:9:16 + | +LL | fn directly(t: &T) {} + | ^^^^^ + = note: `-D clippy::needless-maybe-sized` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::needless_maybe_sized)]` +help: change the bounds that require `Sized`, or remove the `?Sized` bound + | +LL - fn directly(t: &T) {} +LL + fn directly(t: &T) {} + | + +error: `?Sized` bound is ignored because of a `Sized` requirement + --> tests/ui/needless_maybe_sized.rs:14:19 + | +LL | fn depth_1(t: &T) {} + | ^^^^^^ + | +note: `T` cannot be unsized because of the bound + --> tests/ui/needless_maybe_sized.rs:14:15 + | +LL | fn depth_1(t: &T) {} + | ^ + = note: ...because `A` has the bound `Sized` +help: change the bounds that require `Sized`, or remove the `?Sized` bound + | +LL - fn depth_1(t: &T) {} +LL + fn depth_1(t: &T) {} + | + +error: `?Sized` bound is ignored because of a `Sized` requirement + --> tests/ui/needless_maybe_sized.rs:15:19 + | +LL | fn depth_2(t: &T) {} + | ^^^^^^ + | +note: `T` cannot be unsized because of the bound + --> tests/ui/needless_maybe_sized.rs:15:15 + | +LL | fn depth_2(t: &T) {} + | ^ + = note: ...because `B` has the bound `A` + = note: ...because `A` has the bound `Sized` +help: change the bounds that require `Sized`, or remove the `?Sized` bound + | +LL - fn depth_2(t: &T) {} +LL + fn depth_2(t: &T) {} + | + +error: `?Sized` bound is ignored because of a `Sized` requirement + --> tests/ui/needless_maybe_sized.rs:18:30 + | +LL | fn multiple_paths(t: &T) {} + | ^^^^^^ + | +note: `T` cannot be unsized because of the bound + --> tests/ui/needless_maybe_sized.rs:18:22 + | +LL | fn multiple_paths(t: &T) {} + | ^ + = note: ...because `A` has the bound `Sized` +help: change the bounds that require `Sized`, or remove the `?Sized` bound + | +LL - fn multiple_paths(t: &T) {} +LL + fn multiple_paths(t: &T) {} + | + +error: `?Sized` bound is ignored because of a `Sized` requirement + --> tests/ui/needless_maybe_sized.rs:22:16 + | +LL | T: Sized + ?Sized, + | ^^^^^^ + | +note: `T` cannot be unsized because of the bound + --> tests/ui/needless_maybe_sized.rs:22:8 + | +LL | T: Sized + ?Sized, + | ^^^^^ +help: change the bounds that require `Sized`, or remove the `?Sized` bound + | +LL - T: Sized + ?Sized, +LL + T: Sized, + | + +error: `?Sized` bound is ignored because of a `Sized` requirement + --> tests/ui/needless_maybe_sized.rs:28:8 + | +LL | T: ?Sized, + | ^^^^^^ + | +note: `T` cannot be unsized because of the bound + --> tests/ui/needless_maybe_sized.rs:26:15 + | +LL | fn mixed_1(t: &T) + | ^^^^^ +help: change the bounds that require `Sized`, or remove the `?Sized` bound + | +LL - where +LL - T: ?Sized, + | + +error: `?Sized` bound is ignored because of a `Sized` requirement + --> tests/ui/needless_maybe_sized.rs:32:15 + | +LL | fn mixed_2(t: &T) + | ^^^^^^ + | +note: `T` cannot be unsized because of the bound + --> tests/ui/needless_maybe_sized.rs:34:8 + | +LL | T: Sized, + | ^^^^^ +help: change the bounds that require `Sized`, or remove the `?Sized` bound + | +LL - fn mixed_2(t: &T) +LL + fn mixed_2(t: &T) + | + +error: `?Sized` bound is ignored because of a `Sized` requirement + --> tests/ui/needless_maybe_sized.rs:41:8 + | +LL | T: ?Sized, + | ^^^^^^ + | +note: `T` cannot be unsized because of the bound + --> tests/ui/needless_maybe_sized.rs:40:8 + | +LL | T: Sized, + | ^^^^^ +help: change the bounds that require `Sized`, or remove the `?Sized` bound + | +LL - T: Sized, +LL - T: ?Sized, +LL + T: Sized, + | + +error: `?Sized` bound is ignored because of a `Sized` requirement + --> tests/ui/needless_maybe_sized.rs:45:26 + | +LL | struct Struct(T); + | ^^^^^^ + | +note: `T` cannot be unsized because of the bound + --> tests/ui/needless_maybe_sized.rs:45:18 + | +LL | struct Struct(T); + | ^^^^^ +help: change the bounds that require `Sized`, or remove the `?Sized` bound + | +LL - struct Struct(T); +LL + struct Struct(T); + | + +error: `?Sized` bound is ignored because of a `Sized` requirement + --> tests/ui/needless_maybe_sized.rs:47:17 + | +LL | impl Struct { + | ^^^^^^ + | +note: `T` cannot be unsized because of the bound + --> tests/ui/needless_maybe_sized.rs:47:9 + | +LL | impl Struct { + | ^^^^^ +help: change the bounds that require `Sized`, or remove the `?Sized` bound + | +LL - impl Struct { +LL + impl Struct { + | + +error: `?Sized` bound is ignored because of a `Sized` requirement + --> tests/ui/needless_maybe_sized.rs:48:26 + | +LL | fn method(&self) {} + | ^^^^^^ + | +note: `U` cannot be unsized because of the bound + --> tests/ui/needless_maybe_sized.rs:48:18 + | +LL | fn method(&self) {} + | ^^^^^ +help: change the bounds that require `Sized`, or remove the `?Sized` bound + | +LL - fn method(&self) {} +LL + fn method(&self) {} + | + +error: `?Sized` bound is ignored because of a `Sized` requirement + --> tests/ui/needless_maybe_sized.rs:51:22 + | +LL | enum Enum { + | ^^^^^^ + | +note: `T` cannot be unsized because of the bound + --> tests/ui/needless_maybe_sized.rs:51:14 + | +LL | enum Enum { + | ^^^^^ +help: change the bounds that require `Sized`, or remove the `?Sized` bound + | +LL - enum Enum { +LL + enum Enum { + | + +error: `?Sized` bound is ignored because of a `Sized` requirement + --> tests/ui/needless_maybe_sized.rs:55:28 + | +LL | union Union<'a, T: Sized + ?Sized> { + | ^^^^^^ + | +note: `T` cannot be unsized because of the bound + --> tests/ui/needless_maybe_sized.rs:55:20 + | +LL | union Union<'a, T: Sized + ?Sized> { + | ^^^^^ +help: change the bounds that require `Sized`, or remove the `?Sized` bound + | +LL - union Union<'a, T: Sized + ?Sized> { +LL + union Union<'a, T: Sized> { + | + +error: `?Sized` bound is ignored because of a `Sized` requirement + --> tests/ui/needless_maybe_sized.rs:59:24 + | +LL | trait Trait { + | ^^^^^^ + | +note: `T` cannot be unsized because of the bound + --> tests/ui/needless_maybe_sized.rs:59:16 + | +LL | trait Trait { + | ^^^^^ +help: change the bounds that require `Sized`, or remove the `?Sized` bound + | +LL - trait Trait { +LL + trait Trait { + | + +error: `?Sized` bound is ignored because of a `Sized` requirement + --> tests/ui/needless_maybe_sized.rs:60:32 + | +LL | fn trait_method() {} + | ^^^^^^ + | +note: `U` cannot be unsized because of the bound + --> tests/ui/needless_maybe_sized.rs:60:24 + | +LL | fn trait_method() {} + | ^^^^^ +help: change the bounds that require `Sized`, or remove the `?Sized` bound + | +LL - fn trait_method() {} +LL + fn trait_method() {} + | + +error: `?Sized` bound is ignored because of a `Sized` requirement + --> tests/ui/needless_maybe_sized.rs:62:25 + | +LL | type GAT; + | ^^^^^^ + | +note: `U` cannot be unsized because of the bound + --> tests/ui/needless_maybe_sized.rs:62:17 + | +LL | type GAT; + | ^^^^^ +help: change the bounds that require `Sized`, or remove the `?Sized` bound + | +LL - type GAT; +LL + type GAT; + | + +error: `?Sized` bound is ignored because of a `Sized` requirement + --> tests/ui/needless_maybe_sized.rs:68:23 + | +LL | fn second_in_trait() {} + | ^^^^^^ + | +note: `T` cannot be unsized because of the bound + --> tests/ui/needless_maybe_sized.rs:68:32 + | +LL | fn second_in_trait() {} + | ^^^^^^^^^^^^^ + = note: ...because `SecondInTrait` has the bound `Sized` +help: change the bounds that require `Sized`, or remove the `?Sized` bound + | +LL - fn second_in_trait() {} +LL + fn second_in_trait() {} + | + +error: `?Sized` bound is ignored because of a `Sized` requirement + --> tests/ui/needless_maybe_sized.rs:70:33 + | +LL | fn impl_trait(_: &(impl Sized + ?Sized)) {} + | ^^^^^^ + | +note: `impl Sized + ?Sized` cannot be unsized because of the bound + --> tests/ui/needless_maybe_sized.rs:70:25 + | +LL | fn impl_trait(_: &(impl Sized + ?Sized)) {} + | ^^^^^ +help: change the bounds that require `Sized`, or remove the `?Sized` bound + | +LL - fn impl_trait(_: &(impl Sized + ?Sized)) {} +LL + fn impl_trait(_: &(impl Sized)) {} + | + +error: `?Sized` bound is ignored because of a `Sized` requirement + --> tests/ui/needless_maybe_sized.rs:73:42 + | +LL | fn in_generic_trait + ?Sized, U>() {} + | ^^^^^^ + | +note: `T` cannot be unsized because of the bound + --> tests/ui/needless_maybe_sized.rs:73:24 + | +LL | fn in_generic_trait + ?Sized, U>() {} + | ^^^^^^^^^^^^^^^ + = note: ...because `GenericTrait` has the bound `Sized` +help: change the bounds that require `Sized`, or remove the `?Sized` bound + | +LL - fn in_generic_trait + ?Sized, U>() {} +LL + fn in_generic_trait, U>() {} + | + +error: `?Sized` bound is ignored because of a `Sized` requirement + --> tests/ui/needless_maybe_sized.rs:88:29 + | +LL | fn larger_graph() {} + | ^^^^^^ + | +note: `T` cannot be unsized because of the bound + --> tests/ui/needless_maybe_sized.rs:88:24 + | +LL | fn larger_graph() {} + | ^^ + = note: ...because `A1` has the bound `B2` + = note: ...because `B2` has the bound `Sized` +help: change the bounds that require `Sized`, or remove the `?Sized` bound + | +LL - fn larger_graph() {} +LL + fn larger_graph() {} + | + +error: aborting due to 20 previous errors + diff --git a/tests/ui/type_repetition_in_bounds.rs b/tests/ui/type_repetition_in_bounds.rs index 0039c805b7df..d325887bfba3 100644 --- a/tests/ui/type_repetition_in_bounds.rs +++ b/tests/ui/type_repetition_in_bounds.rs @@ -1,5 +1,9 @@ #![deny(clippy::type_repetition_in_bounds)] -#![allow(clippy::extra_unused_type_parameters, clippy::multiple_bound_locations)] +#![allow( + clippy::extra_unused_type_parameters, + clippy::multiple_bound_locations, + clippy::needless_maybe_sized +)] use serde::Deserialize; use std::ops::{Add, AddAssign, Div, DivAssign, Mul, MulAssign, Sub, SubAssign}; diff --git a/tests/ui/type_repetition_in_bounds.stderr b/tests/ui/type_repetition_in_bounds.stderr index e9c6b41aaa8e..77944c950457 100644 --- a/tests/ui/type_repetition_in_bounds.stderr +++ b/tests/ui/type_repetition_in_bounds.stderr @@ -1,5 +1,5 @@ error: this type has already been used as a bound predicate - --> tests/ui/type_repetition_in_bounds.rs:10:5 + --> tests/ui/type_repetition_in_bounds.rs:14:5 | LL | T: Clone, | ^^^^^^^^ @@ -12,7 +12,7 @@ LL | #![deny(clippy::type_repetition_in_bounds)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: this type has already been used as a bound predicate - --> tests/ui/type_repetition_in_bounds.rs:28:5 + --> tests/ui/type_repetition_in_bounds.rs:32:5 | LL | Self: Copy + Default + Ord, | ^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -20,7 +20,7 @@ LL | Self: Copy + Default + Ord, = help: consider combining the bounds: `Self: Clone + Copy + Default + Ord` error: this type has already been used as a bound predicate - --> tests/ui/type_repetition_in_bounds.rs:103:5 + --> tests/ui/type_repetition_in_bounds.rs:107:5 | LL | T: Clone, | ^^^^^^^^ @@ -28,7 +28,7 @@ LL | T: Clone, = help: consider combining the bounds: `T: ?Sized + Clone` error: this type has already been used as a bound predicate - --> tests/ui/type_repetition_in_bounds.rs:109:5 + --> tests/ui/type_repetition_in_bounds.rs:113:5 | LL | T: ?Sized, | ^^^^^^^^^ @@ -36,7 +36,7 @@ LL | T: ?Sized, = help: consider combining the bounds: `T: Clone + ?Sized` error: this type has already been used as a bound predicate - --> tests/ui/type_repetition_in_bounds.rs:135:9 + --> tests/ui/type_repetition_in_bounds.rs:139:9 | LL | T: Trait, Box<[String]>, bool> + 'static, | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ From f0f392781f2829aaf4368e28c2ba3e9bc0e6115f Mon Sep 17 00:00:00 2001 From: Pietro Albini Date: Tue, 2 Apr 2024 00:26:10 +0200 Subject: [PATCH 0009/1716] store the span of the nested part of the use tree in the ast --- clippy_lints/src/single_component_path_imports.rs | 8 ++++---- clippy_lints/src/unnecessary_self_imports.rs | 4 ++-- clippy_lints/src/unsafe_removed_from_name.rs | 4 ++-- clippy_utils/src/ast_utils.rs | 2 +- 4 files changed, 9 insertions(+), 9 deletions(-) diff --git a/clippy_lints/src/single_component_path_imports.rs b/clippy_lints/src/single_component_path_imports.rs index 18fbbdb40791..acf44a9bb5ab 100644 --- a/clippy_lints/src/single_component_path_imports.rs +++ b/clippy_lints/src/single_component_path_imports.rs @@ -201,8 +201,8 @@ impl SingleComponentPathImports { if segments.is_empty() { // keep track of `use {some_module, some_other_module};` usages - if let UseTreeKind::Nested(trees) = &use_tree.kind { - for tree in trees { + if let UseTreeKind::Nested { items, .. } = &use_tree.kind { + for tree in items { let segments = &tree.0.prefix.segments; if segments.len() == 1 { if let UseTreeKind::Simple(None) = tree.0.kind { @@ -229,8 +229,8 @@ impl SingleComponentPathImports { } // nested case such as `use self::{module1::Struct1, module2::Struct2}` - if let UseTreeKind::Nested(trees) = &use_tree.kind { - for tree in trees { + if let UseTreeKind::Nested { items, .. } = &use_tree.kind { + for tree in items { let segments = &tree.0.prefix.segments; if !segments.is_empty() { imports_reused_with_self.push(segments[0].ident.name); diff --git a/clippy_lints/src/unnecessary_self_imports.rs b/clippy_lints/src/unnecessary_self_imports.rs index ddee06b59cae..528a1dfcfc10 100644 --- a/clippy_lints/src/unnecessary_self_imports.rs +++ b/clippy_lints/src/unnecessary_self_imports.rs @@ -36,8 +36,8 @@ declare_lint_pass!(UnnecessarySelfImports => [UNNECESSARY_SELF_IMPORTS]); impl EarlyLintPass for UnnecessarySelfImports { fn check_item(&mut self, cx: &EarlyContext<'_>, item: &Item) { if let ItemKind::Use(use_tree) = &item.kind - && let UseTreeKind::Nested(nodes) = &use_tree.kind - && let [(self_tree, _)] = &**nodes + && let UseTreeKind::Nested { items, .. } = &use_tree.kind + && let [(self_tree, _)] = &**items && let [self_seg] = &*self_tree.prefix.segments && self_seg.ident.name == kw::SelfLower && let Some(last_segment) = use_tree.prefix.segments.last() diff --git a/clippy_lints/src/unsafe_removed_from_name.rs b/clippy_lints/src/unsafe_removed_from_name.rs index 51b3ea93b6dc..309eaedac8d2 100644 --- a/clippy_lints/src/unsafe_removed_from_name.rs +++ b/clippy_lints/src/unsafe_removed_from_name.rs @@ -49,8 +49,8 @@ fn check_use_tree(use_tree: &UseTree, cx: &EarlyContext<'_>, span: Span) { unsafe_to_safe_check(old_name, new_name, cx, span); }, UseTreeKind::Simple(None) | UseTreeKind::Glob => {}, - UseTreeKind::Nested(ref nested_use_tree) => { - for (use_tree, _) in nested_use_tree { + UseTreeKind::Nested { ref items, .. } => { + for (use_tree, _) in items { check_use_tree(use_tree, cx, span); } }, diff --git a/clippy_utils/src/ast_utils.rs b/clippy_utils/src/ast_utils.rs index f594a40ff59a..36d54bb41fa4 100644 --- a/clippy_utils/src/ast_utils.rs +++ b/clippy_utils/src/ast_utils.rs @@ -637,7 +637,7 @@ pub fn eq_use_tree_kind(l: &UseTreeKind, r: &UseTreeKind) -> bool { match (l, r) { (Glob, Glob) => true, (Simple(l), Simple(r)) => both(l, r, |l, r| eq_id(*l, *r)), - (Nested(l), Nested(r)) => over(l, r, |(l, _), (r, _)| eq_use_tree(l, r)), + (Nested { items: l, .. }, Nested { items: r, .. }) => over(l, r, |(l, _), (r, _)| eq_use_tree(l, r)), _ => false, } } From 6ce268e10ad1dc71f96672df703fa9b8cfe5e722 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Beno=C3=AEt=20du=20Garreau?= Date: Thu, 11 Apr 2024 13:14:41 +0200 Subject: [PATCH 0010/1716] Remove bound checks from `BorrowedBuf` and `BorrowedCursor` methods --- library/core/src/io/borrowed_buf.rs | 24 ++++++++++++++++++------ 1 file changed, 18 insertions(+), 6 deletions(-) diff --git a/library/core/src/io/borrowed_buf.rs b/library/core/src/io/borrowed_buf.rs index 81371708b51e..d497da33dd92 100644 --- a/library/core/src/io/borrowed_buf.rs +++ b/library/core/src/io/borrowed_buf.rs @@ -92,14 +92,20 @@ impl<'data> BorrowedBuf<'data> { #[inline] pub fn filled(&self) -> &[u8] { // SAFETY: We only slice the filled part of the buffer, which is always valid - unsafe { MaybeUninit::slice_assume_init_ref(&self.buf[0..self.filled]) } + unsafe { + let buf = self.buf.get_unchecked(..self.filled); + MaybeUninit::slice_assume_init_ref(buf) + } } /// Returns a mutable reference to the filled portion of the buffer. #[inline] pub fn filled_mut(&mut self) -> &mut [u8] { // SAFETY: We only slice the filled part of the buffer, which is always valid - unsafe { MaybeUninit::slice_assume_init_mut(&mut self.buf[0..self.filled]) } + unsafe { + let buf = self.buf.get_unchecked_mut(..self.filled); + MaybeUninit::slice_assume_init_mut(buf) + } } /// Returns a cursor over the unfilled part of the buffer. @@ -205,7 +211,10 @@ impl<'a> BorrowedCursor<'a> { #[inline] pub fn init_ref(&self) -> &[u8] { // SAFETY: We only slice the initialized part of the buffer, which is always valid - unsafe { MaybeUninit::slice_assume_init_ref(&self.buf.buf[self.buf.filled..self.buf.init]) } + unsafe { + let buf = self.buf.buf.get_unchecked(self.buf.filled..self.buf.init); + MaybeUninit::slice_assume_init_ref(buf) + } } /// Returns a mutable reference to the initialized portion of the cursor. @@ -213,7 +222,8 @@ impl<'a> BorrowedCursor<'a> { pub fn init_mut(&mut self) -> &mut [u8] { // SAFETY: We only slice the initialized part of the buffer, which is always valid unsafe { - MaybeUninit::slice_assume_init_mut(&mut self.buf.buf[self.buf.filled..self.buf.init]) + let buf = self.buf.buf.get_unchecked_mut(self.buf.filled..self.buf.init); + MaybeUninit::slice_assume_init_mut(buf) } } @@ -222,7 +232,8 @@ impl<'a> BorrowedCursor<'a> { /// It is safe to uninitialize any of these bytes. #[inline] pub fn uninit_mut(&mut self) -> &mut [MaybeUninit] { - &mut self.buf.buf[self.buf.init..] + // SAFETY: always in bounds + unsafe { self.buf.buf.get_unchecked_mut(self.buf.init..) } } /// Returns a mutable reference to the whole cursor. @@ -232,7 +243,8 @@ impl<'a> BorrowedCursor<'a> { /// The caller must not uninitialize any bytes in the initialized portion of the cursor. #[inline] pub unsafe fn as_mut(&mut self) -> &mut [MaybeUninit] { - &mut self.buf.buf[self.buf.filled..] + // SAFETY: always in bounds + unsafe { self.buf.buf.get_unchecked_mut(self.buf.filled..) } } /// Advance the cursor by asserting that `n` bytes have been filled. From d5d56d00e7b940e7abc997e9c4abbf00dd3198a9 Mon Sep 17 00:00:00 2001 From: Slanterns Date: Tue, 16 Apr 2024 20:58:45 +0800 Subject: [PATCH 0011/1716] Stabilize `BinaryHeap::as_slice` --- library/alloc/src/collections/binary_heap/mod.rs | 3 +-- library/alloc/tests/lib.rs | 1 - 2 files changed, 1 insertion(+), 3 deletions(-) diff --git a/library/alloc/src/collections/binary_heap/mod.rs b/library/alloc/src/collections/binary_heap/mod.rs index 83b2678f7f52..3c024649d3f5 100644 --- a/library/alloc/src/collections/binary_heap/mod.rs +++ b/library/alloc/src/collections/binary_heap/mod.rs @@ -1207,7 +1207,6 @@ impl BinaryHeap { /// Basic usage: /// /// ``` - /// #![feature(binary_heap_as_slice)] /// use std::collections::BinaryHeap; /// use std::io::{self, Write}; /// @@ -1216,7 +1215,7 @@ impl BinaryHeap { /// io::sink().write(heap.as_slice()).unwrap(); /// ``` #[must_use] - #[unstable(feature = "binary_heap_as_slice", issue = "83659")] + #[stable(feature = "binary_heap_as_slice", since = "CURRENT_RUSTC_VERSION")] pub fn as_slice(&self) -> &[T] { self.data.as_slice() } diff --git a/library/alloc/tests/lib.rs b/library/alloc/tests/lib.rs index a34bce66496d..37a02828901d 100644 --- a/library/alloc/tests/lib.rs +++ b/library/alloc/tests/lib.rs @@ -26,7 +26,6 @@ #![feature(binary_heap_into_iter_sorted)] #![feature(binary_heap_drain_sorted)] #![feature(slice_ptr_get)] -#![feature(binary_heap_as_slice)] #![feature(inplace_iteration)] #![feature(iter_advance_by)] #![feature(iter_next_chunk)] From 62a104df983522de8fe06ff866a47b3938fbd561 Mon Sep 17 00:00:00 2001 From: Veera Date: Tue, 16 Apr 2024 18:15:37 -0400 Subject: [PATCH 0012/1716] Update Tests --- .../c-variadic/variadic-ffi-no-fixed-args.rs | 5 +- .../variadic-ffi-no-fixed-args.stderr | 8 -- .../variadic-ffi-semantic-restrictions.rs | 8 -- .../variadic-ffi-semantic-restrictions.stderr | 114 ++++++------------ 4 files changed, 40 insertions(+), 95 deletions(-) delete mode 100644 tests/ui/c-variadic/variadic-ffi-no-fixed-args.stderr diff --git a/tests/ui/c-variadic/variadic-ffi-no-fixed-args.rs b/tests/ui/c-variadic/variadic-ffi-no-fixed-args.rs index 588c15a18297..b8841e88c4f4 100644 --- a/tests/ui/c-variadic/variadic-ffi-no-fixed-args.rs +++ b/tests/ui/c-variadic/variadic-ffi-no-fixed-args.rs @@ -1,6 +1,9 @@ +//@ build-pass + +// Supported since C23 +// https://www.open-std.org/jtc1/sc22/wg14/www/docs/n2975.pdf extern "C" { fn foo(...); -//~^ ERROR C-variadic function must be declared with at least one named argument } fn main() {} diff --git a/tests/ui/c-variadic/variadic-ffi-no-fixed-args.stderr b/tests/ui/c-variadic/variadic-ffi-no-fixed-args.stderr deleted file mode 100644 index e268ef3fa681..000000000000 --- a/tests/ui/c-variadic/variadic-ffi-no-fixed-args.stderr +++ /dev/null @@ -1,8 +0,0 @@ -error: C-variadic function must be declared with at least one named argument - --> $DIR/variadic-ffi-no-fixed-args.rs:2:12 - | -LL | fn foo(...); - | ^^^ - -error: aborting due to 1 previous error - diff --git a/tests/ui/parser/variadic-ffi-semantic-restrictions.rs b/tests/ui/parser/variadic-ffi-semantic-restrictions.rs index a2d2388ff508..11126dbc65d2 100644 --- a/tests/ui/parser/variadic-ffi-semantic-restrictions.rs +++ b/tests/ui/parser/variadic-ffi-semantic-restrictions.rs @@ -8,14 +8,12 @@ fn f1_1(x: isize, ...) {} fn f1_2(...) {} //~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic -//~| ERROR C-variadic function must be declared with at least one named argument extern "C" fn f2_1(x: isize, ...) {} //~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic extern "C" fn f2_2(...) {} //~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic -//~| ERROR C-variadic function must be declared with at least one named argument extern "C" fn f2_3(..., x: isize) {} //~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic @@ -26,7 +24,6 @@ extern "C" fn f3_1(x: isize, ...) {} extern "C" fn f3_2(...) {} //~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic -//~| ERROR C-variadic function must be declared with at least one named argument extern "C" fn f3_3(..., x: isize) {} //~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic @@ -47,8 +44,6 @@ const extern "C" fn f4_3(..., x: isize, ...) {} //~| ERROR `...` must be the last argument of a C-variadic function extern "C" { - fn e_f1(...); - //~^ ERROR C-variadic function must be declared with at least one named argument fn e_f2(..., x: isize); //~^ ERROR `...` must be the last argument of a C-variadic function } @@ -60,7 +55,6 @@ impl X { //~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic fn i_f2(...) {} //~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic - //~| ERROR C-variadic function must be declared with at least one named argument fn i_f3(..., x: isize, ...) {} //~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic //~| ERROR `...` must be the last argument of a C-variadic function @@ -80,10 +74,8 @@ trait T { //~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic fn t_f3(...) {} //~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic - //~| ERROR C-variadic function must be declared with at least one named argument fn t_f4(...); //~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic - //~| ERROR C-variadic function must be declared with at least one named argument fn t_f5(..., x: isize) {} //~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic //~| ERROR `...` must be the last argument of a C-variadic function diff --git a/tests/ui/parser/variadic-ffi-semantic-restrictions.stderr b/tests/ui/parser/variadic-ffi-semantic-restrictions.stderr index 6a65ed79d4fb..f71e3863440f 100644 --- a/tests/ui/parser/variadic-ffi-semantic-restrictions.stderr +++ b/tests/ui/parser/variadic-ffi-semantic-restrictions.stderr @@ -4,12 +4,6 @@ error: only foreign or `unsafe extern "C"` functions may be C-variadic LL | fn f1_1(x: isize, ...) {} | ^^^ -error: C-variadic function must be declared with at least one named argument - --> $DIR/variadic-ffi-semantic-restrictions.rs:9:9 - | -LL | fn f1_2(...) {} - | ^^^ - error: only foreign or `unsafe extern "C"` functions may be C-variadic --> $DIR/variadic-ffi-semantic-restrictions.rs:9:9 | @@ -17,91 +11,79 @@ LL | fn f1_2(...) {} | ^^^ error: only foreign or `unsafe extern "C"` functions may be C-variadic - --> $DIR/variadic-ffi-semantic-restrictions.rs:13:30 + --> $DIR/variadic-ffi-semantic-restrictions.rs:12:30 | LL | extern "C" fn f2_1(x: isize, ...) {} | ^^^ -error: C-variadic function must be declared with at least one named argument - --> $DIR/variadic-ffi-semantic-restrictions.rs:16:20 - | -LL | extern "C" fn f2_2(...) {} - | ^^^ - error: only foreign or `unsafe extern "C"` functions may be C-variadic - --> $DIR/variadic-ffi-semantic-restrictions.rs:16:20 + --> $DIR/variadic-ffi-semantic-restrictions.rs:15:20 | LL | extern "C" fn f2_2(...) {} | ^^^ error: `...` must be the last argument of a C-variadic function - --> $DIR/variadic-ffi-semantic-restrictions.rs:20:20 + --> $DIR/variadic-ffi-semantic-restrictions.rs:18:20 | LL | extern "C" fn f2_3(..., x: isize) {} | ^^^ error: only foreign or `unsafe extern "C"` functions may be C-variadic - --> $DIR/variadic-ffi-semantic-restrictions.rs:20:20 + --> $DIR/variadic-ffi-semantic-restrictions.rs:18:20 | LL | extern "C" fn f2_3(..., x: isize) {} | ^^^ error: only foreign or `unsafe extern "C"` functions may be C-variadic - --> $DIR/variadic-ffi-semantic-restrictions.rs:24:30 + --> $DIR/variadic-ffi-semantic-restrictions.rs:22:30 | LL | extern "C" fn f3_1(x: isize, ...) {} | ^^^ -error: C-variadic function must be declared with at least one named argument - --> $DIR/variadic-ffi-semantic-restrictions.rs:27:20 - | -LL | extern "C" fn f3_2(...) {} - | ^^^ - error: only foreign or `unsafe extern "C"` functions may be C-variadic - --> $DIR/variadic-ffi-semantic-restrictions.rs:27:20 + --> $DIR/variadic-ffi-semantic-restrictions.rs:25:20 | LL | extern "C" fn f3_2(...) {} | ^^^ error: `...` must be the last argument of a C-variadic function - --> $DIR/variadic-ffi-semantic-restrictions.rs:31:20 + --> $DIR/variadic-ffi-semantic-restrictions.rs:28:20 | LL | extern "C" fn f3_3(..., x: isize) {} | ^^^ error: only foreign or `unsafe extern "C"` functions may be C-variadic - --> $DIR/variadic-ffi-semantic-restrictions.rs:31:20 + --> $DIR/variadic-ffi-semantic-restrictions.rs:28:20 | LL | extern "C" fn f3_3(..., x: isize) {} | ^^^ error: functions cannot be both `const` and C-variadic - --> $DIR/variadic-ffi-semantic-restrictions.rs:35:1 + --> $DIR/variadic-ffi-semantic-restrictions.rs:32:1 | LL | const unsafe extern "C" fn f4_1(x: isize, ...) {} | ^^^^^ `const` because of this ^^^ C-variadic because of this error: functions cannot be both `const` and C-variadic - --> $DIR/variadic-ffi-semantic-restrictions.rs:39:1 + --> $DIR/variadic-ffi-semantic-restrictions.rs:36:1 | LL | const extern "C" fn f4_2(x: isize, ...) {} | ^^^^^ `const` because of this ^^^ C-variadic because of this error: only foreign or `unsafe extern "C"` functions may be C-variadic - --> $DIR/variadic-ffi-semantic-restrictions.rs:39:36 + --> $DIR/variadic-ffi-semantic-restrictions.rs:36:36 | LL | const extern "C" fn f4_2(x: isize, ...) {} | ^^^ error: `...` must be the last argument of a C-variadic function - --> $DIR/variadic-ffi-semantic-restrictions.rs:44:26 + --> $DIR/variadic-ffi-semantic-restrictions.rs:41:26 | LL | const extern "C" fn f4_3(..., x: isize, ...) {} | ^^^ error: functions cannot be both `const` and C-variadic - --> $DIR/variadic-ffi-semantic-restrictions.rs:44:1 + --> $DIR/variadic-ffi-semantic-restrictions.rs:41:1 | LL | const extern "C" fn f4_3(..., x: isize, ...) {} | ^^^^^ ^^^ ^^^ C-variadic because of this @@ -110,67 +92,55 @@ LL | const extern "C" fn f4_3(..., x: isize, ...) {} | `const` because of this error: only foreign or `unsafe extern "C"` functions may be C-variadic - --> $DIR/variadic-ffi-semantic-restrictions.rs:44:26 + --> $DIR/variadic-ffi-semantic-restrictions.rs:41:26 | LL | const extern "C" fn f4_3(..., x: isize, ...) {} | ^^^ ^^^ -error: C-variadic function must be declared with at least one named argument - --> $DIR/variadic-ffi-semantic-restrictions.rs:50:13 - | -LL | fn e_f1(...); - | ^^^ - error: `...` must be the last argument of a C-variadic function - --> $DIR/variadic-ffi-semantic-restrictions.rs:52:13 + --> $DIR/variadic-ffi-semantic-restrictions.rs:47:13 | LL | fn e_f2(..., x: isize); | ^^^ error: only foreign or `unsafe extern "C"` functions may be C-variadic - --> $DIR/variadic-ffi-semantic-restrictions.rs:59:23 + --> $DIR/variadic-ffi-semantic-restrictions.rs:54:23 | LL | fn i_f1(x: isize, ...) {} | ^^^ -error: C-variadic function must be declared with at least one named argument - --> $DIR/variadic-ffi-semantic-restrictions.rs:61:13 - | -LL | fn i_f2(...) {} - | ^^^ - error: only foreign or `unsafe extern "C"` functions may be C-variadic - --> $DIR/variadic-ffi-semantic-restrictions.rs:61:13 + --> $DIR/variadic-ffi-semantic-restrictions.rs:56:13 | LL | fn i_f2(...) {} | ^^^ error: `...` must be the last argument of a C-variadic function - --> $DIR/variadic-ffi-semantic-restrictions.rs:64:13 + --> $DIR/variadic-ffi-semantic-restrictions.rs:58:13 | LL | fn i_f3(..., x: isize, ...) {} | ^^^ error: only foreign or `unsafe extern "C"` functions may be C-variadic - --> $DIR/variadic-ffi-semantic-restrictions.rs:64:13 + --> $DIR/variadic-ffi-semantic-restrictions.rs:58:13 | LL | fn i_f3(..., x: isize, ...) {} | ^^^ ^^^ error: `...` must be the last argument of a C-variadic function - --> $DIR/variadic-ffi-semantic-restrictions.rs:67:13 + --> $DIR/variadic-ffi-semantic-restrictions.rs:61:13 | LL | fn i_f4(..., x: isize, ...) {} | ^^^ error: only foreign or `unsafe extern "C"` functions may be C-variadic - --> $DIR/variadic-ffi-semantic-restrictions.rs:67:13 + --> $DIR/variadic-ffi-semantic-restrictions.rs:61:13 | LL | fn i_f4(..., x: isize, ...) {} | ^^^ ^^^ error: functions cannot be both `const` and C-variadic - --> $DIR/variadic-ffi-semantic-restrictions.rs:70:5 + --> $DIR/variadic-ffi-semantic-restrictions.rs:64:5 | LL | const fn i_f5(x: isize, ...) {} | ^^^^^ ^^^ C-variadic because of this @@ -178,73 +148,61 @@ LL | const fn i_f5(x: isize, ...) {} | `const` because of this error: only foreign or `unsafe extern "C"` functions may be C-variadic - --> $DIR/variadic-ffi-semantic-restrictions.rs:70:29 + --> $DIR/variadic-ffi-semantic-restrictions.rs:64:29 | LL | const fn i_f5(x: isize, ...) {} | ^^^ error: only foreign or `unsafe extern "C"` functions may be C-variadic - --> $DIR/variadic-ffi-semantic-restrictions.rs:77:23 + --> $DIR/variadic-ffi-semantic-restrictions.rs:71:23 | LL | fn t_f1(x: isize, ...) {} | ^^^ error: only foreign or `unsafe extern "C"` functions may be C-variadic - --> $DIR/variadic-ffi-semantic-restrictions.rs:79:23 + --> $DIR/variadic-ffi-semantic-restrictions.rs:73:23 | LL | fn t_f2(x: isize, ...); | ^^^ -error: C-variadic function must be declared with at least one named argument - --> $DIR/variadic-ffi-semantic-restrictions.rs:81:13 +error: only foreign or `unsafe extern "C"` functions may be C-variadic + --> $DIR/variadic-ffi-semantic-restrictions.rs:75:13 | LL | fn t_f3(...) {} | ^^^ error: only foreign or `unsafe extern "C"` functions may be C-variadic - --> $DIR/variadic-ffi-semantic-restrictions.rs:81:13 - | -LL | fn t_f3(...) {} - | ^^^ - -error: C-variadic function must be declared with at least one named argument - --> $DIR/variadic-ffi-semantic-restrictions.rs:84:13 - | -LL | fn t_f4(...); - | ^^^ - -error: only foreign or `unsafe extern "C"` functions may be C-variadic - --> $DIR/variadic-ffi-semantic-restrictions.rs:84:13 + --> $DIR/variadic-ffi-semantic-restrictions.rs:77:13 | LL | fn t_f4(...); | ^^^ error: `...` must be the last argument of a C-variadic function - --> $DIR/variadic-ffi-semantic-restrictions.rs:87:13 + --> $DIR/variadic-ffi-semantic-restrictions.rs:79:13 | LL | fn t_f5(..., x: isize) {} | ^^^ error: only foreign or `unsafe extern "C"` functions may be C-variadic - --> $DIR/variadic-ffi-semantic-restrictions.rs:87:13 + --> $DIR/variadic-ffi-semantic-restrictions.rs:79:13 | LL | fn t_f5(..., x: isize) {} | ^^^ error: `...` must be the last argument of a C-variadic function - --> $DIR/variadic-ffi-semantic-restrictions.rs:90:13 + --> $DIR/variadic-ffi-semantic-restrictions.rs:82:13 | LL | fn t_f6(..., x: isize); | ^^^ error: only foreign or `unsafe extern "C"` functions may be C-variadic - --> $DIR/variadic-ffi-semantic-restrictions.rs:90:13 + --> $DIR/variadic-ffi-semantic-restrictions.rs:82:13 | LL | fn t_f6(..., x: isize); | ^^^ error[E0493]: destructor of `VaListImpl<'_>` cannot be evaluated at compile-time - --> $DIR/variadic-ffi-semantic-restrictions.rs:35:43 + --> $DIR/variadic-ffi-semantic-restrictions.rs:32:43 | LL | const unsafe extern "C" fn f4_1(x: isize, ...) {} | ^^^ - value is dropped here @@ -252,7 +210,7 @@ LL | const unsafe extern "C" fn f4_1(x: isize, ...) {} | the destructor for this type cannot be evaluated in constant functions error[E0493]: destructor of `VaListImpl<'_>` cannot be evaluated at compile-time - --> $DIR/variadic-ffi-semantic-restrictions.rs:39:36 + --> $DIR/variadic-ffi-semantic-restrictions.rs:36:36 | LL | const extern "C" fn f4_2(x: isize, ...) {} | ^^^ - value is dropped here @@ -260,13 +218,13 @@ LL | const extern "C" fn f4_2(x: isize, ...) {} | the destructor for this type cannot be evaluated in constant functions error[E0493]: destructor of `VaListImpl<'_>` cannot be evaluated at compile-time - --> $DIR/variadic-ffi-semantic-restrictions.rs:70:29 + --> $DIR/variadic-ffi-semantic-restrictions.rs:64:29 | LL | const fn i_f5(x: isize, ...) {} | ^^^ - value is dropped here | | | the destructor for this type cannot be evaluated in constant functions -error: aborting due to 43 previous errors +error: aborting due to 36 previous errors For more information about this error, try `rustc --explain E0493`. From f005b451c2eeb018e3c2c6e6653636981cfa7f1a Mon Sep 17 00:00:00 2001 From: Veera Date: Tue, 16 Apr 2024 18:53:05 -0400 Subject: [PATCH 0013/1716] Support C23's Variadics Without a Named Parameter This PR removes the static check that disallowed extern functions with ellipsis (varargs) as the only parameter since this is now valid in C23. Also, adds a doc comment for `check_decl_cvariadic_pos()` and fixes the name of the function (`varadic` -> `variadic`). --- compiler/rustc_ast_passes/messages.ftl | 3 --- compiler/rustc_ast_passes/src/ast_validation.rs | 12 +++++------- compiler/rustc_ast_passes/src/errors.rs | 7 ------- 3 files changed, 5 insertions(+), 17 deletions(-) diff --git a/compiler/rustc_ast_passes/messages.ftl b/compiler/rustc_ast_passes/messages.ftl index a3731e94276b..f578165f369c 100644 --- a/compiler/rustc_ast_passes/messages.ftl +++ b/compiler/rustc_ast_passes/messages.ftl @@ -97,9 +97,6 @@ ast_passes_fn_body_extern = incorrect function inside `extern` block ast_passes_fn_param_c_var_args_not_last = `...` must be the last argument of a C-variadic function -ast_passes_fn_param_c_var_args_only = - C-variadic function must be declared with at least one named argument - ast_passes_fn_param_doc_comment = documentation comments cannot be applied to function parameters .label = doc comments are not allowed here diff --git a/compiler/rustc_ast_passes/src/ast_validation.rs b/compiler/rustc_ast_passes/src/ast_validation.rs index 495e90e967b9..63aed6493dc4 100644 --- a/compiler/rustc_ast_passes/src/ast_validation.rs +++ b/compiler/rustc_ast_passes/src/ast_validation.rs @@ -365,7 +365,7 @@ impl<'a> AstValidator<'a> { fn check_fn_decl(&self, fn_decl: &FnDecl, self_semantic: SelfSemantic) { self.check_decl_num_args(fn_decl); - self.check_decl_cvaradic_pos(fn_decl); + self.check_decl_cvariadic_pos(fn_decl); self.check_decl_attrs(fn_decl); self.check_decl_self_param(fn_decl, self_semantic); } @@ -380,13 +380,11 @@ impl<'a> AstValidator<'a> { } } - fn check_decl_cvaradic_pos(&self, fn_decl: &FnDecl) { + /// Emits an error if a function declaration has a variadic parameter in the + /// beginning or middle of parameter list. + /// Example: `fn foo(..., x: i32)` will emit an error. + fn check_decl_cvariadic_pos(&self, fn_decl: &FnDecl) { match &*fn_decl.inputs { - [Param { ty, span, .. }] => { - if let TyKind::CVarArgs = ty.kind { - self.dcx().emit_err(errors::FnParamCVarArgsOnly { span: *span }); - } - } [ps @ .., _] => { for Param { ty, span, .. } in ps { if let TyKind::CVarArgs = ty.kind { diff --git a/compiler/rustc_ast_passes/src/errors.rs b/compiler/rustc_ast_passes/src/errors.rs index f397c949e048..0e4599f55ba5 100644 --- a/compiler/rustc_ast_passes/src/errors.rs +++ b/compiler/rustc_ast_passes/src/errors.rs @@ -92,13 +92,6 @@ pub struct FnParamTooMany { pub max_num_args: usize, } -#[derive(Diagnostic)] -#[diag(ast_passes_fn_param_c_var_args_only)] -pub struct FnParamCVarArgsOnly { - #[primary_span] - pub span: Span, -} - #[derive(Diagnostic)] #[diag(ast_passes_fn_param_c_var_args_not_last)] pub struct FnParamCVarArgsNotLast { From c8390cdbfaccc55aa374222e39cdf9092a1e5ff6 Mon Sep 17 00:00:00 2001 From: Michael Baikov Date: Sat, 6 Apr 2024 11:22:21 -0400 Subject: [PATCH 0014/1716] Show files produced by --emit foo in json artifact notifications --- .../rustc_codegen_cranelift/src/driver/aot.rs | 23 ++++++++++ compiler/rustc_codegen_ssa/src/back/write.rs | 23 ++++++++++ compiler/rustc_codegen_ssa/src/lib.rs | 18 ++++++++ compiler/rustc_mir_transform/src/dump_mir.rs | 3 ++ src/doc/rustc/src/json.md | 8 +++- .../run-make/notify-all-emit-artifacts/lib.rs | 21 +++++++++ .../notify-all-emit-artifacts/rmake.rs | 45 +++++++++++++++++++ 7 files changed, 140 insertions(+), 1 deletion(-) create mode 100644 tests/run-make/notify-all-emit-artifacts/lib.rs create mode 100644 tests/run-make/notify-all-emit-artifacts/rmake.rs diff --git a/compiler/rustc_codegen_cranelift/src/driver/aot.rs b/compiler/rustc_codegen_cranelift/src/driver/aot.rs index e8c96486041b..aff9448a89c3 100644 --- a/compiler/rustc_codegen_cranelift/src/driver/aot.rs +++ b/compiler/rustc_codegen_cranelift/src/driver/aot.rs @@ -287,6 +287,29 @@ fn produce_final_output_artifacts( } } + if sess.opts.json_artifact_notifications { + if codegen_results.modules.len() == 1 { + codegen_results.modules[0].for_each_output(|_path, ty| { + if sess.opts.output_types.contains_key(&ty) { + let descr = ty.shorthand(); + // for single cgu file is renamed to drop cgu specific suffix + // so we regenerate it the same way + let path = crate_output.path(ty); + sess.dcx().emit_artifact_notification(path.as_path(), descr); + } + }); + } else { + for module in &codegen_results.modules { + module.for_each_output(|path, ty| { + if sess.opts.output_types.contains_key(&ty) { + let descr = ty.shorthand(); + sess.dcx().emit_artifact_notification(&path, descr); + } + }); + } + } + } + // We leave the following files around by default: // - #crate#.o // - #crate#.crate.metadata.o diff --git a/compiler/rustc_codegen_ssa/src/back/write.rs b/compiler/rustc_codegen_ssa/src/back/write.rs index c4f062405bb5..72030dcbac54 100644 --- a/compiler/rustc_codegen_ssa/src/back/write.rs +++ b/compiler/rustc_codegen_ssa/src/back/write.rs @@ -706,6 +706,29 @@ fn produce_final_output_artifacts( } } + if sess.opts.json_artifact_notifications { + if compiled_modules.modules.len() == 1 { + compiled_modules.modules[0].for_each_output(|_path, ty| { + if sess.opts.output_types.contains_key(&ty) { + let descr = ty.shorthand(); + // for single cgu file is renamed to drop cgu specific suffix + // so we regenerate it the same way + let path = crate_output.path(ty); + sess.dcx().emit_artifact_notification(path.as_path(), descr); + } + }); + } else { + for module in &compiled_modules.modules { + module.for_each_output(|path, ty| { + if sess.opts.output_types.contains_key(&ty) { + let descr = ty.shorthand(); + sess.dcx().emit_artifact_notification(&path, descr); + } + }); + } + } + } + // We leave the following files around by default: // - #crate#.o // - #crate#.crate.metadata.o diff --git a/compiler/rustc_codegen_ssa/src/lib.rs b/compiler/rustc_codegen_ssa/src/lib.rs index 80fe7e0bb786..7e0e5a9e632e 100644 --- a/compiler/rustc_codegen_ssa/src/lib.rs +++ b/compiler/rustc_codegen_ssa/src/lib.rs @@ -113,6 +113,24 @@ pub struct CompiledModule { pub llvm_ir: Option, // --emit=llvm-ir, llvm-bc is in bytecode } +impl CompiledModule { + /// Call `emit` function with every artifact type currently compiled + pub fn for_each_output(&self, mut emit: impl FnMut(&Path, OutputType)) { + if let Some(path) = self.object.as_deref() { + emit(path, OutputType::Object); + } + if let Some(path) = self.bytecode.as_deref() { + emit(path, OutputType::Bitcode); + } + if let Some(path) = self.llvm_ir.as_deref() { + emit(path, OutputType::LlvmAssembly); + } + if let Some(path) = self.assembly.as_deref() { + emit(path, OutputType::Assembly); + } + } +} + pub struct CachedModuleCodegen { pub name: String, pub source: WorkProduct, diff --git a/compiler/rustc_mir_transform/src/dump_mir.rs b/compiler/rustc_mir_transform/src/dump_mir.rs index 13841be494cf..3b71cf02c1a0 100644 --- a/compiler/rustc_mir_transform/src/dump_mir.rs +++ b/compiler/rustc_mir_transform/src/dump_mir.rs @@ -28,6 +28,9 @@ pub fn emit_mir(tcx: TyCtxt<'_>) -> io::Result<()> { OutFileName::Real(path) => { let mut f = io::BufWriter::new(File::create(&path)?); write_mir_pretty(tcx, None, &mut f)?; + if tcx.sess.opts.json_artifact_notifications { + tcx.dcx().emit_artifact_notification(&path, "mir"); + } } } Ok(()) diff --git a/src/doc/rustc/src/json.md b/src/doc/rustc/src/json.md index 32083b2f731d..c853f34ee036 100644 --- a/src/doc/rustc/src/json.md +++ b/src/doc/rustc/src/json.md @@ -217,7 +217,8 @@ Diagnostics have the following format: Artifact notifications are emitted when the [`--json=artifacts` flag][option-json] is used. They indicate that a file artifact has been saved to disk. More information about emit kinds may be found in the [`--emit` -flag][option-emit] documentation. +flag][option-emit] documentation. Notifications can contain more than one file +for each type, for example when using multiple codegen units. ```javascript { @@ -229,6 +230,11 @@ flag][option-emit] documentation. - "link": The generated crate as specified by the crate-type. - "dep-info": The `.d` file with dependency information in a Makefile-like syntax. - "metadata": The Rust `.rmeta` file containing metadata about the crate. + - "asm": The `.s` file with generated assembly + - "llvm-ir": The `.ll` file with generated textual LLVM IR + - "llvm-bc": The `.bc` file with generated LLVM bitcode + - "mir": The `.mir` file with rustc's mid-level intermediate representation. + - "obj": The `.o` file with generated native object code */ "emit": "link" } diff --git a/tests/run-make/notify-all-emit-artifacts/lib.rs b/tests/run-make/notify-all-emit-artifacts/lib.rs new file mode 100644 index 000000000000..6ed194204b45 --- /dev/null +++ b/tests/run-make/notify-all-emit-artifacts/lib.rs @@ -0,0 +1,21 @@ +fn one() -> usize { + 1 +} + +pub mod a { + pub fn two() -> usize { + ::one() + ::one() + } +} + +pub mod b { + pub fn three() -> usize { + ::one() + ::a::two() + } +} + +#[inline(never)] +pub fn main() { + a::two(); + b::three(); +} diff --git a/tests/run-make/notify-all-emit-artifacts/rmake.rs b/tests/run-make/notify-all-emit-artifacts/rmake.rs new file mode 100644 index 000000000000..c866d9179f94 --- /dev/null +++ b/tests/run-make/notify-all-emit-artifacts/rmake.rs @@ -0,0 +1,45 @@ +// rust should produce artifact notifications about files it was asked to --emit. +// +// It should work in incremental mode both on the first pass where files are generated as well +// as on subsequent passes where they are taken from the incremental cache +// +// See +extern crate run_make_support; + +use run_make_support::{rustc, tmp_dir}; + +fn main() { + let inc_dir = tmp_dir(); + + // With single codegen unit files are renamed to match the source file name + for _ in 0..=1 { + let output = rustc() + .input("lib.rs") + .emit("obj,asm,llvm-ir,llvm-bc,mir") + .codegen_units(1) + .json("artifacts") + .error_format("json") + .incremental(&inc_dir) + .run(); + let stderr = String::from_utf8_lossy(&output.stderr); + for file in &["lib.o", "lib.ll", "lib.bc", "lib.s"] { + assert!(stderr.contains(file), "No {:?} in {:?}", file, stderr); + } + } + + // with multiple codegen units files keep codegen unit id part. + for _ in 0..=1 { + let output = rustc() + .input("lib.rs") + .emit("obj,asm,llvm-ir,llvm-bc,mir") + .codegen_units(2) + .json("artifacts") + .error_format("json") + .incremental(&inc_dir) + .run(); + let stderr = String::from_utf8_lossy(&output.stderr); + for file in &["rcgu.o", "rcgu.ll", "rcgu.bc", "rcgu.s"] { + assert!(stderr.contains(file), "No {:?} in {:?}", file, stderr); + } + } +} From 334bab2c253bfe1cdff6c0ebf93b82fb0e963b61 Mon Sep 17 00:00:00 2001 From: Luv-Ray Date: Sun, 21 Apr 2024 19:53:47 +0800 Subject: [PATCH 0015/1716] [`overly_complex_bool_expr`]: Fix trigger wrongly on never type --- clippy_lints/src/booleans.rs | 5 +++++ tests/ui/overly_complex_bool_expr.fixed | 10 ++++++++++ tests/ui/overly_complex_bool_expr.rs | 10 ++++++++++ 3 files changed, 25 insertions(+) diff --git a/clippy_lints/src/booleans.rs b/clippy_lints/src/booleans.rs index b6341b3fe8e7..eae34e85e780 100644 --- a/clippy_lints/src/booleans.rs +++ b/clippy_lints/src/booleans.rs @@ -232,6 +232,11 @@ impl<'a, 'tcx, 'v> Hir2Qmm<'a, 'tcx, 'v> { _ => (), } } + + if self.cx.typeck_results().expr_ty(e).is_never() { + return Err("contains never type".to_owned()); + } + for (n, expr) in self.terminals.iter().enumerate() { if eq_expr_value(self.cx, e, expr) { #[expect(clippy::cast_possible_truncation)] diff --git a/tests/ui/overly_complex_bool_expr.fixed b/tests/ui/overly_complex_bool_expr.fixed index e44f6063156a..439b1145431c 100644 --- a/tests/ui/overly_complex_bool_expr.fixed +++ b/tests/ui/overly_complex_bool_expr.fixed @@ -37,3 +37,13 @@ fn check_expect() { #[expect(clippy::overly_complex_bool_expr)] let _ = a < b && a >= b; } + +#[allow(clippy::never_loop)] +fn check_never_type() { + loop { + _ = (break) || true; + } + loop { + _ = (return) || true; + } +} diff --git a/tests/ui/overly_complex_bool_expr.rs b/tests/ui/overly_complex_bool_expr.rs index f010a8537e7f..b96fd1adf118 100644 --- a/tests/ui/overly_complex_bool_expr.rs +++ b/tests/ui/overly_complex_bool_expr.rs @@ -37,3 +37,13 @@ fn check_expect() { #[expect(clippy::overly_complex_bool_expr)] let _ = a < b && a >= b; } + +#[allow(clippy::never_loop)] +fn check_never_type() { + loop { + _ = (break) || true; + } + loop { + _ = (return) || true; + } +} From 483f13ce913b7ceaeae9173d21cd3dc343f6dbc1 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sun, 21 Apr 2024 10:41:04 -0400 Subject: [PATCH 0016/1716] Make sure that the method resolution matches in note_source_of_type_mismatch_constraint --- compiler/rustc_hir_typeck/src/demand.rs | 33 +++++++++++++++---- tests/crashes/118185.rs | 26 --------------- ...hod-lookup-returns-sig-with-fewer-args.rs} | 5 ++- ...-lookup-returns-sig-with-fewer-args.stderr | 17 ++++++++++ 4 files changed, 46 insertions(+), 35 deletions(-) delete mode 100644 tests/crashes/118185.rs rename tests/{crashes/118185-2.rs => ui/mismatched_types/diagnostic-method-lookup-returns-sig-with-fewer-args.rs} (85%) create mode 100644 tests/ui/mismatched_types/diagnostic-method-lookup-returns-sig-with-fewer-args.stderr diff --git a/compiler/rustc_hir_typeck/src/demand.rs b/compiler/rustc_hir_typeck/src/demand.rs index d6d22a43fe0b..ed81ed640361 100644 --- a/compiler/rustc_hir_typeck/src/demand.rs +++ b/compiler/rustc_hir_typeck/src/demand.rs @@ -377,8 +377,11 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let Some(arg_ty) = self.node_ty_opt(args[idx].hir_id) else { return false; }; - let possible_rcvr_ty = expr_finder.uses.iter().find_map(|binding| { + let possible_rcvr_ty = expr_finder.uses.iter().rev().find_map(|binding| { let possible_rcvr_ty = self.node_ty_opt(binding.hir_id)?; + if possible_rcvr_ty.is_ty_var() { + return None; + } // Fudge the receiver, so we can do new inference on it. let possible_rcvr_ty = possible_rcvr_ty.fold_with(&mut fudger); let method = self @@ -390,6 +393,12 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { binding, ) .ok()?; + // Make sure we select the same method that we started with... + if Some(method.def_id) + != self.typeck_results.borrow().type_dependent_def_id(call_expr.hir_id) + { + return None; + } // Unify the method signature with our incompatible arg, to // do inference in the *opposite* direction and to find out // what our ideal rcvr ty would look like. @@ -460,6 +469,12 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ) else { continue; }; + // Make sure we select the same method that we started with... + if Some(method.def_id) + != self.typeck_results.borrow().type_dependent_def_id(parent_expr.hir_id) + { + continue; + } let ideal_rcvr_ty = rcvr_ty.fold_with(&mut fudger); let ideal_method = self @@ -509,13 +524,19 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // blame arg, if possible. Don't do this if we're coming from // arg mismatch code, because we'll possibly suggest a mutually // incompatible fix at the original mismatch site. + // HACK(compiler-errors): We don't actually consider the implications + // of our inference guesses in `emit_type_mismatch_suggestions`, so + // only suggest things when we know our type error is precisely due to + // a type mismatch, and not via some projection or something. See #116155. if matches!(source, TypeMismatchSource::Ty(_)) && let Some(ideal_method) = ideal_method - && let ideal_arg_ty = self.resolve_vars_if_possible(ideal_method.sig.inputs()[idx + 1]) - // HACK(compiler-errors): We don't actually consider the implications - // of our inference guesses in `emit_type_mismatch_suggestions`, so - // only suggest things when we know our type error is precisely due to - // a type mismatch, and not via some projection or something. See #116155. + && Some(ideal_method.def_id) + == self + .typeck_results + .borrow() + .type_dependent_def_id(parent_expr.hir_id) + && let ideal_arg_ty = + self.resolve_vars_if_possible(ideal_method.sig.inputs()[idx + 1]) && !ideal_arg_ty.has_non_region_infer() { self.emit_type_mismatch_suggestions( diff --git a/tests/crashes/118185.rs b/tests/crashes/118185.rs deleted file mode 100644 index c3a29c3a3f54..000000000000 --- a/tests/crashes/118185.rs +++ /dev/null @@ -1,26 +0,0 @@ -//@ known-bug: #118185 - -fn main() { - let target: Target = create_target(); - target.get(0); // correct arguments work - target.get(10.0); // CRASH HERE -} - -// must be generic -fn create_target() -> T { - unimplemented!() -} - -// unimplemented trait, but contains function with the same name -pub trait RandomTrait { - fn get(&mut self); // but less arguments -} - -struct Target; - -impl Target { - // correct function with arguments - pub fn get(&self, data: i32) { - unimplemented!() - } -} diff --git a/tests/crashes/118185-2.rs b/tests/ui/mismatched_types/diagnostic-method-lookup-returns-sig-with-fewer-args.rs similarity index 85% rename from tests/crashes/118185-2.rs rename to tests/ui/mismatched_types/diagnostic-method-lookup-returns-sig-with-fewer-args.rs index c3a29c3a3f54..fd41beecb0a2 100644 --- a/tests/crashes/118185-2.rs +++ b/tests/ui/mismatched_types/diagnostic-method-lookup-returns-sig-with-fewer-args.rs @@ -1,9 +1,8 @@ -//@ known-bug: #118185 - fn main() { let target: Target = create_target(); target.get(0); // correct arguments work - target.get(10.0); // CRASH HERE + target.get(10.0); // (used to crash here) + //~^ ERROR mismatched types } // must be generic diff --git a/tests/ui/mismatched_types/diagnostic-method-lookup-returns-sig-with-fewer-args.stderr b/tests/ui/mismatched_types/diagnostic-method-lookup-returns-sig-with-fewer-args.stderr new file mode 100644 index 000000000000..0f86916fcdae --- /dev/null +++ b/tests/ui/mismatched_types/diagnostic-method-lookup-returns-sig-with-fewer-args.stderr @@ -0,0 +1,17 @@ +error[E0308]: mismatched types + --> $DIR/diagnostic-method-lookup-returns-sig-with-fewer-args.rs:4:16 + | +LL | target.get(10.0); // (used to crash here) + | --- ^^^^ expected `i32`, found floating-point number + | | + | arguments to this method are incorrect + | +note: method defined here + --> $DIR/diagnostic-method-lookup-returns-sig-with-fewer-args.rs:22:12 + | +LL | pub fn get(&self, data: i32) { + | ^^^ --------- + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0308`. From 3b2436c1361e03d52b4d5d9a188ea94909bd245a Mon Sep 17 00:00:00 2001 From: Trevor Spiteri Date: Tue, 23 Apr 2024 15:49:00 +0200 Subject: [PATCH 0017/1716] unroll first iter of checked_ilog loop to save one multiplication --- library/core/src/num/uint_macros.rs | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/library/core/src/num/uint_macros.rs b/library/core/src/num/uint_macros.rs index c13763243f03..a76b84e7e541 100644 --- a/library/core/src/num/uint_macros.rs +++ b/library/core/src/num/uint_macros.rs @@ -1093,9 +1093,12 @@ macro_rules! uint_impl { pub const fn checked_ilog(self, base: Self) -> Option { if self <= 0 || base <= 1 { None + } else if self < base { + Some(0) } else { - let mut n = 0; - let mut r = 1; + // Since base >= self, n >= 1 + let mut n = 1; + let mut r = base; // Optimization for 128 bit wide integers. if Self::BITS == 128 { From a18f04303366d1a7542f8e103adc740bcd90d63f Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Tue, 23 Apr 2024 14:30:34 +0000 Subject: [PATCH 0018/1716] Add regression test --- .../ui/fn/fn_def_opaque_coercion_to_fn_ptr.rs | 57 ++++++++++++++ .../fn_def_opaque_coercion_to_fn_ptr.stderr | 77 +++++++++++++++++++ 2 files changed, 134 insertions(+) create mode 100644 tests/ui/fn/fn_def_opaque_coercion_to_fn_ptr.rs create mode 100644 tests/ui/fn/fn_def_opaque_coercion_to_fn_ptr.stderr diff --git a/tests/ui/fn/fn_def_opaque_coercion_to_fn_ptr.rs b/tests/ui/fn/fn_def_opaque_coercion_to_fn_ptr.rs new file mode 100644 index 000000000000..4f7be6811eb1 --- /dev/null +++ b/tests/ui/fn/fn_def_opaque_coercion_to_fn_ptr.rs @@ -0,0 +1,57 @@ +//! Test that coercing between function items of different functions works, +//! as long as their signatures match. The resulting value is a function pointer. + +#![feature(type_alias_impl_trait)] + +fn foo(t: T) -> T { + t +} + +fn bar(t: T) -> T { + t +} + +type F = impl Sized; + +fn f(a: F) { + let mut x = bar::; + x = foo::<()>; //~ ERROR: mismatched types + x(a); + x(()); +} + +type I = impl Sized; + +fn i(a: I) { + let mut x = bar::<()>; + x = foo::; //~ ERROR: mismatched types + x(a); + x(()); +} + +type J = impl Sized; + +fn j(a: J) { + let x = match true { + true => bar::, + false => foo::<()>, //~ ERROR: incompatible types + }; + x(a); + x(()); +} + +fn k() -> impl Sized { + fn bind T>(_: T, f: F) -> F { + f + } + let x = match true { + true => { + let f = foo; + bind(k(), f) + } + false => bar::<()>, //~ ERROR: incompatible types + }; + todo!() +} + +fn main() {} diff --git a/tests/ui/fn/fn_def_opaque_coercion_to_fn_ptr.stderr b/tests/ui/fn/fn_def_opaque_coercion_to_fn_ptr.stderr new file mode 100644 index 000000000000..ca01376ee49d --- /dev/null +++ b/tests/ui/fn/fn_def_opaque_coercion_to_fn_ptr.stderr @@ -0,0 +1,77 @@ +error[E0308]: mismatched types + --> $DIR/fn_def_opaque_coercion_to_fn_ptr.rs:18:9 + | +LL | type F = impl Sized; + | ---------- the expected opaque type +... +LL | let mut x = bar::; + | -------- expected due to this value +LL | x = foo::<()>; + | ^^^^^^^^^ expected fn item, found a different fn item + | + = note: expected fn item `fn(F) -> F {bar::}` + found fn item `fn(()) {foo::<()>}` + +error[E0308]: mismatched types + --> $DIR/fn_def_opaque_coercion_to_fn_ptr.rs:27:9 + | +LL | fn foo(t: T) -> T { + | -------------------- function `foo` defined here +... +LL | type I = impl Sized; + | ---------- the found opaque type +... +LL | let mut x = bar::<()>; + | --------- expected due to this value +LL | x = foo::; + | ^^^^^^^^ expected fn item, found a different fn item + | + = note: expected fn item `fn(()) {bar::<()>}` + found fn item `fn(I) -> I {foo::}` +help: use parentheses to call this function + | +LL | x = foo::(/* I */); + | +++++++++ + +error[E0308]: `match` arms have incompatible types + --> $DIR/fn_def_opaque_coercion_to_fn_ptr.rs:37:18 + | +LL | type J = impl Sized; + | ---------- the expected opaque type +... +LL | let x = match true { + | _____________- +LL | | true => bar::, + | | -------- this is found to be of type `fn(J) -> J {bar::}` +LL | | false => foo::<()>, + | | ^^^^^^^^^ expected opaque type, found `()` +LL | | }; + | |_____- `match` arms have incompatible types + | + = note: expected fn item `fn(J) -> J {bar::}` + found fn item `fn(()) {foo::<()>}` + +error[E0308]: `match` arms have incompatible types + --> $DIR/fn_def_opaque_coercion_to_fn_ptr.rs:52:18 + | +LL | fn k() -> impl Sized { + | ---------- the expected opaque type +... +LL | let x = match true { + | _____________- +LL | | true => { +LL | | let f = foo; +LL | | bind(k(), f) + | | ------------ this is found to be of type `fn(impl Sized) -> impl Sized {foo::}` +LL | | } +LL | | false => bar::<()>, + | | ^^^^^^^^^ expected opaque type, found `()` +LL | | }; + | |_____- `match` arms have incompatible types + | + = note: expected fn item `fn(impl Sized) -> impl Sized {foo::}` + found fn item `fn(()) {bar::<()>}` + +error: aborting due to 4 previous errors + +For more information about this error, try `rustc --explain E0308`. From c24148ef7b1d4a280cca60e2001848da70ff07dc Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Tue, 23 Apr 2024 14:38:17 +0000 Subject: [PATCH 0019/1716] Allow coercing functions whose signature differs in opaque types in their defining scope into a shared function pointer type --- compiler/rustc_hir_typeck/src/coercion.rs | 2 +- .../ui/fn/fn_def_opaque_coercion_to_fn_ptr.rs | 4 +- .../fn_def_opaque_coercion_to_fn_ptr.stderr | 41 +------------------ 3 files changed, 4 insertions(+), 43 deletions(-) diff --git a/compiler/rustc_hir_typeck/src/coercion.rs b/compiler/rustc_hir_typeck/src/coercion.rs index 9ebb5f95f05f..537f0b605809 100644 --- a/compiler/rustc_hir_typeck/src/coercion.rs +++ b/compiler/rustc_hir_typeck/src/coercion.rs @@ -1189,7 +1189,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let sig = self .at(cause, self.param_env) .trace(prev_ty, new_ty) - .lub(DefineOpaqueTypes::No, a_sig, b_sig) + .lub(DefineOpaqueTypes::Yes, a_sig, b_sig) .map(|ok| self.register_infer_ok_obligations(ok))?; // Reify both sides and return the reified fn pointer type. diff --git a/tests/ui/fn/fn_def_opaque_coercion_to_fn_ptr.rs b/tests/ui/fn/fn_def_opaque_coercion_to_fn_ptr.rs index 4f7be6811eb1..5250e3a3d93e 100644 --- a/tests/ui/fn/fn_def_opaque_coercion_to_fn_ptr.rs +++ b/tests/ui/fn/fn_def_opaque_coercion_to_fn_ptr.rs @@ -34,7 +34,7 @@ type J = impl Sized; fn j(a: J) { let x = match true { true => bar::, - false => foo::<()>, //~ ERROR: incompatible types + false => foo::<()>, }; x(a); x(()); @@ -49,7 +49,7 @@ fn k() -> impl Sized { let f = foo; bind(k(), f) } - false => bar::<()>, //~ ERROR: incompatible types + false => bar::<()>, }; todo!() } diff --git a/tests/ui/fn/fn_def_opaque_coercion_to_fn_ptr.stderr b/tests/ui/fn/fn_def_opaque_coercion_to_fn_ptr.stderr index ca01376ee49d..0b3331b040d8 100644 --- a/tests/ui/fn/fn_def_opaque_coercion_to_fn_ptr.stderr +++ b/tests/ui/fn/fn_def_opaque_coercion_to_fn_ptr.stderr @@ -33,45 +33,6 @@ help: use parentheses to call this function LL | x = foo::(/* I */); | +++++++++ -error[E0308]: `match` arms have incompatible types - --> $DIR/fn_def_opaque_coercion_to_fn_ptr.rs:37:18 - | -LL | type J = impl Sized; - | ---------- the expected opaque type -... -LL | let x = match true { - | _____________- -LL | | true => bar::, - | | -------- this is found to be of type `fn(J) -> J {bar::}` -LL | | false => foo::<()>, - | | ^^^^^^^^^ expected opaque type, found `()` -LL | | }; - | |_____- `match` arms have incompatible types - | - = note: expected fn item `fn(J) -> J {bar::}` - found fn item `fn(()) {foo::<()>}` - -error[E0308]: `match` arms have incompatible types - --> $DIR/fn_def_opaque_coercion_to_fn_ptr.rs:52:18 - | -LL | fn k() -> impl Sized { - | ---------- the expected opaque type -... -LL | let x = match true { - | _____________- -LL | | true => { -LL | | let f = foo; -LL | | bind(k(), f) - | | ------------ this is found to be of type `fn(impl Sized) -> impl Sized {foo::}` -LL | | } -LL | | false => bar::<()>, - | | ^^^^^^^^^ expected opaque type, found `()` -LL | | }; - | |_____- `match` arms have incompatible types - | - = note: expected fn item `fn(impl Sized) -> impl Sized {foo::}` - found fn item `fn(()) {bar::<()>}` - -error: aborting due to 4 previous errors +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0308`. From 245cc23a2f7d55c22437b2482f057fa44cce0624 Mon Sep 17 00:00:00 2001 From: Trevor Spiteri Date: Tue, 23 Apr 2024 18:31:57 +0200 Subject: [PATCH 0020/1716] add codegen test The test confirms that when val < base, we do not divide or multiply. --- tests/codegen/checked_ilog.rs | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 tests/codegen/checked_ilog.rs diff --git a/tests/codegen/checked_ilog.rs b/tests/codegen/checked_ilog.rs new file mode 100644 index 000000000000..8f3c07119fee --- /dev/null +++ b/tests/codegen/checked_ilog.rs @@ -0,0 +1,20 @@ +//@ compile-flags: -O + +#![crate_type = "lib"] + +// Ensure that when val < base, we do not divide or multiply. + +// CHECK-LABEL: @checked_ilog +// CHECK-SAME: (i16 noundef %val, i16 noundef %base) +#[no_mangle] +pub fn checked_ilog(val: u16, base: u16) -> Option { + // CHECK-NOT: udiv + // CHECK-NOT: mul + // CHECK: %[[IS_LESS:.+]] = icmp ult i16 %val, %base + // CHECK-NEXT: br i1 %[[IS_LESS]], label %[[TRUE:.+]], label %[[FALSE:.+]] + // CHECK: [[TRUE]]: + // CHECK-NOT: udiv + // CHECK-NOT: mul + // CHECK: ret { i32, i32 } + val.checked_ilog(base) +} From e0ac250909bebe6ecb4067f514d931f06e682848 Mon Sep 17 00:00:00 2001 From: Stefan Lankes Date: Tue, 23 Apr 2024 19:52:47 +0200 Subject: [PATCH 0021/1716] revise the interpretation of ReadDir HermitOS supports getdents64. As under Linux, the dirent64 entry `d_off` is not longer used, because its definition is not clear. Instead of `d_off` the entry `d_reclen` is used to determine the end of the dirent64 entry. --- library/std/src/sys/pal/hermit/fs.rs | 20 ++++++++------------ 1 file changed, 8 insertions(+), 12 deletions(-) diff --git a/library/std/src/sys/pal/hermit/fs.rs b/library/std/src/sys/pal/hermit/fs.rs index 6519cc22f1f6..c2cc6c6d5dcf 100644 --- a/library/std/src/sys/pal/hermit/fs.rs +++ b/library/std/src/sys/pal/hermit/fs.rs @@ -47,7 +47,7 @@ impl InnerReadDir { pub struct ReadDir { inner: Arc, - pos: i64, + pos: usize, } impl ReadDir { @@ -197,20 +197,20 @@ impl Iterator for ReadDir { fn next(&mut self) -> Option> { let mut counter: usize = 0; - let mut offset: i64 = 0; + let mut offset: usize = 0; // loop over all directory entries and search the entry for the current position loop { // leave function, if the loop reaches the of the buffer (with all entries) - if offset >= self.inner.dir.len().try_into().unwrap() { + if offset >= self.inner.dir.len() { return None; } let dir = unsafe { - &*(self.inner.dir.as_ptr().offset(offset.try_into().unwrap()) as *const dirent64) + &*(self.inner.dir.as_ptr().add(offset) as *const dirent64) }; - if counter == self.pos.try_into().unwrap() { + if counter == self.pos { self.pos += 1; // After dirent64, the file name is stored. d_reclen represents the length of the dirent64 @@ -218,17 +218,13 @@ impl Iterator for ReadDir { // the size of dirent64. The file name is always a C string and terminated by `\0`. // Consequently, we are able to ignore the last byte. let name_bytes = unsafe { - core::slice::from_raw_parts( - &dir.d_name as *const _ as *const u8, - dir.d_reclen as usize - core::mem::size_of::() - 1, - ) - .to_vec() + CStr::from_ptr(&dir.d_name as *const _ as *const i8).to_bytes() }; let entry = DirEntry { root: self.inner.root.clone(), ino: dir.d_ino, type_: dir.d_type as u32, - name: OsString::from_vec(name_bytes), + name: OsString::from_vec(name_bytes.to_vec()), }; return Some(Ok(entry)); @@ -237,7 +233,7 @@ impl Iterator for ReadDir { counter += 1; // move to the next dirent64, which is directly stored after the previous one - offset = offset + dir.d_off; + offset = offset + usize::from(dir.d_reclen); } } } From 5aa779fb647a0cb3efb02a6b715fb2647b9c0f25 Mon Sep 17 00:00:00 2001 From: Stefan Lankes Date: Tue, 23 Apr 2024 20:19:11 +0200 Subject: [PATCH 0022/1716] increase the readability by using the unique name for the hermit-abi Take up suggestion from the discussions within rust-lang/rust#115984 to increase readability. --- library/std/src/os/hermit/mod.rs | 2 +- library/std/src/sys/pal/hermit/alloc.rs | 10 +++--- library/std/src/sys/pal/hermit/fd.rs | 12 ++++--- library/std/src/sys/pal/hermit/fs.rs | 35 ++++++++++----------- library/std/src/sys/pal/hermit/futex.rs | 16 +++++----- library/std/src/sys/pal/hermit/mod.rs | 40 ++++++++++++------------ library/std/src/sys/pal/hermit/os.rs | 10 +++--- library/std/src/sys/pal/hermit/stdio.rs | 10 +++--- library/std/src/sys/pal/hermit/thread.rs | 16 +++++----- library/std/src/sys/pal/hermit/time.rs | 10 +++--- 10 files changed, 81 insertions(+), 80 deletions(-) diff --git a/library/std/src/os/hermit/mod.rs b/library/std/src/os/hermit/mod.rs index 89b1b831912d..02a4b2c3ab5e 100644 --- a/library/std/src/os/hermit/mod.rs +++ b/library/std/src/os/hermit/mod.rs @@ -2,7 +2,7 @@ #[allow(unused_extern_crates)] #[stable(feature = "rust1", since = "1.0.0")] -pub extern crate hermit_abi as abi; +pub extern crate hermit_abi; pub mod ffi; pub mod io; diff --git a/library/std/src/sys/pal/hermit/alloc.rs b/library/std/src/sys/pal/hermit/alloc.rs index de550987a435..2cd0db909403 100644 --- a/library/std/src/sys/pal/hermit/alloc.rs +++ b/library/std/src/sys/pal/hermit/alloc.rs @@ -1,4 +1,4 @@ -use super::abi; +use super::hermit_abi; use crate::alloc::{GlobalAlloc, Layout, System}; use crate::ptr; @@ -6,11 +6,11 @@ use crate::ptr; unsafe impl GlobalAlloc for System { #[inline] unsafe fn alloc(&self, layout: Layout) -> *mut u8 { - abi::malloc(layout.size(), layout.align()) + hermit_abi::malloc(layout.size(), layout.align()) } unsafe fn alloc_zeroed(&self, layout: Layout) -> *mut u8 { - let addr = abi::malloc(layout.size(), layout.align()); + let addr = hermit_abi::malloc(layout.size(), layout.align()); if !addr.is_null() { ptr::write_bytes(addr, 0x00, layout.size()); @@ -21,11 +21,11 @@ unsafe impl GlobalAlloc for System { #[inline] unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) { - abi::free(ptr, layout.size(), layout.align()) + hermit_abi::free(ptr, layout.size(), layout.align()) } #[inline] unsafe fn realloc(&self, ptr: *mut u8, layout: Layout, new_size: usize) -> *mut u8 { - abi::realloc(ptr, layout.size(), layout.align(), new_size) + hermit_abi::realloc(ptr, layout.size(), layout.align(), new_size) } } diff --git a/library/std/src/sys/pal/hermit/fd.rs b/library/std/src/sys/pal/hermit/fd.rs index 962577bb1ed8..d7dab08cfbd5 100644 --- a/library/std/src/sys/pal/hermit/fd.rs +++ b/library/std/src/sys/pal/hermit/fd.rs @@ -1,6 +1,6 @@ #![unstable(reason = "not public", issue = "none", feature = "fd")] -use super::abi; +use super::hermit_abi; use crate::io::{self, Read}; use crate::os::hermit::io::{FromRawFd, OwnedFd, RawFd}; use crate::sys::cvt; @@ -16,7 +16,8 @@ pub struct FileDesc { impl FileDesc { pub fn read(&self, buf: &mut [u8]) -> io::Result { - let result = cvt(unsafe { abi::read(self.fd.as_raw_fd(), buf.as_mut_ptr(), buf.len()) })?; + let result = + cvt(unsafe { hermit_abi::read(self.fd.as_raw_fd(), buf.as_mut_ptr(), buf.len()) })?; Ok(result as usize) } @@ -26,7 +27,8 @@ impl FileDesc { } pub fn write(&self, buf: &[u8]) -> io::Result { - let result = cvt(unsafe { abi::write(self.fd.as_raw_fd(), buf.as_ptr(), buf.len()) })?; + let result = + cvt(unsafe { hermit_abi::write(self.fd.as_raw_fd(), buf.as_ptr(), buf.len()) })?; Ok(result as usize) } @@ -49,8 +51,8 @@ impl FileDesc { unsupported() } - pub fn fstat(&self, stat: *mut abi::stat) -> io::Result<()> { - cvt(unsafe { abi::fstat(self.fd.as_raw_fd(), stat) })?; + pub fn fstat(&self, stat: *mut hermit_abi::stat) -> io::Result<()> { + cvt(unsafe { hermit_abi::fstat(self.fd.as_raw_fd(), stat) })?; Ok(()) } } diff --git a/library/std/src/sys/pal/hermit/fs.rs b/library/std/src/sys/pal/hermit/fs.rs index c2cc6c6d5dcf..a4a16e6e86b0 100644 --- a/library/std/src/sys/pal/hermit/fs.rs +++ b/library/std/src/sys/pal/hermit/fs.rs @@ -1,8 +1,8 @@ -use super::abi::{ +use super::fd::FileDesc; +use super::hermit_abi::{ self, dirent64, stat as stat_struct, DT_DIR, DT_LNK, DT_REG, DT_UNKNOWN, O_APPEND, O_CREAT, O_EXCL, O_RDONLY, O_RDWR, O_TRUNC, O_WRONLY, S_IFDIR, S_IFLNK, S_IFMT, S_IFREG, }; -use super::fd::FileDesc; use crate::ffi::{CStr, OsStr, OsString}; use crate::fmt; use crate::io::{self, Error, ErrorKind}; @@ -206,9 +206,7 @@ impl Iterator for ReadDir { return None; } - let dir = unsafe { - &*(self.inner.dir.as_ptr().add(offset) as *const dirent64) - }; + let dir = unsafe { &*(self.inner.dir.as_ptr().add(offset) as *const dirent64) }; if counter == self.pos { self.pos += 1; @@ -217,9 +215,8 @@ impl Iterator for ReadDir { // plus the length of the file name. Consequently, file name has a size of d_reclen minus // the size of dirent64. The file name is always a C string and terminated by `\0`. // Consequently, we are able to ignore the last byte. - let name_bytes = unsafe { - CStr::from_ptr(&dir.d_name as *const _ as *const i8).to_bytes() - }; + let name_bytes = + unsafe { CStr::from_ptr(&dir.d_name as *const _ as *const i8).to_bytes() }; let entry = DirEntry { root: self.inner.root.clone(), ino: dir.d_ino, @@ -361,7 +358,7 @@ impl File { mode = 0; } - let fd = unsafe { cvt(abi::open(path.as_ptr(), flags, mode))? }; + let fd = unsafe { cvt(hermit_abi::open(path.as_ptr(), flags, mode))? }; Ok(File(unsafe { FileDesc::from_raw_fd(fd as i32) })) } @@ -442,7 +439,7 @@ impl DirBuilder { pub fn mkdir(&self, path: &Path) -> io::Result<()> { run_path_with_cstr(path, &|path| { - cvt(unsafe { abi::mkdir(path.as_ptr(), self.mode) }).map(|_| ()) + cvt(unsafe { hermit_abi::mkdir(path.as_ptr(), self.mode) }).map(|_| ()) }) } @@ -504,7 +501,8 @@ impl FromRawFd for File { } pub fn readdir(path: &Path) -> io::Result { - let fd_raw = run_path_with_cstr(path, &|path| cvt(unsafe { abi::opendir(path.as_ptr()) }))?; + let fd_raw = + run_path_with_cstr(path, &|path| cvt(unsafe { hermit_abi::opendir(path.as_ptr()) }))?; let fd = unsafe { FileDesc::from_raw_fd(fd_raw as i32) }; let root = path.to_path_buf(); @@ -515,8 +513,9 @@ pub fn readdir(path: &Path) -> io::Result { // reserve memory to receive all directory entries vec.resize(sz, 0); - let readlen = - unsafe { abi::getdents64(fd.as_raw_fd(), vec.as_mut_ptr() as *mut dirent64, sz) }; + let readlen = unsafe { + hermit_abi::getdents64(fd.as_raw_fd(), vec.as_mut_ptr() as *mut dirent64, sz) + }; if readlen > 0 { // shrink down to the minimal size vec.resize(readlen.try_into().unwrap(), 0); @@ -525,7 +524,7 @@ pub fn readdir(path: &Path) -> io::Result { // if the buffer is too small, getdents64 returns EINVAL // otherwise, getdents64 returns an error number - if readlen != (-abi::errno::EINVAL).into() { + if readlen != (-hermit_abi::errno::EINVAL).into() { return Err(Error::from_raw_os_error(readlen.try_into().unwrap())); } @@ -543,7 +542,7 @@ pub fn readdir(path: &Path) -> io::Result { } pub fn unlink(path: &Path) -> io::Result<()> { - run_path_with_cstr(path, &|path| cvt(unsafe { abi::unlink(path.as_ptr()) }).map(|_| ())) + run_path_with_cstr(path, &|path| cvt(unsafe { hermit_abi::unlink(path.as_ptr()) }).map(|_| ())) } pub fn rename(_old: &Path, _new: &Path) -> io::Result<()> { @@ -555,7 +554,7 @@ pub fn set_perm(_p: &Path, _perm: FilePermissions) -> io::Result<()> { } pub fn rmdir(path: &Path) -> io::Result<()> { - run_path_with_cstr(path, &|path| cvt(unsafe { abi::rmdir(path.as_ptr()) }).map(|_| ())) + run_path_with_cstr(path, &|path| cvt(unsafe { hermit_abi::rmdir(path.as_ptr()) }).map(|_| ())) } pub fn remove_dir_all(_path: &Path) -> io::Result<()> { @@ -577,7 +576,7 @@ pub fn link(_original: &Path, _link: &Path) -> io::Result<()> { pub fn stat(path: &Path) -> io::Result { run_path_with_cstr(path, &|path| { let mut stat_val: stat_struct = unsafe { mem::zeroed() }; - cvt(unsafe { abi::stat(path.as_ptr(), &mut stat_val) })?; + cvt(unsafe { hermit_abi::stat(path.as_ptr(), &mut stat_val) })?; Ok(FileAttr::from_stat(stat_val)) }) } @@ -585,7 +584,7 @@ pub fn stat(path: &Path) -> io::Result { pub fn lstat(path: &Path) -> io::Result { run_path_with_cstr(path, &|path| { let mut stat_val: stat_struct = unsafe { mem::zeroed() }; - cvt(unsafe { abi::lstat(path.as_ptr(), &mut stat_val) })?; + cvt(unsafe { hermit_abi::lstat(path.as_ptr(), &mut stat_val) })?; Ok(FileAttr::from_stat(stat_val)) }) } diff --git a/library/std/src/sys/pal/hermit/futex.rs b/library/std/src/sys/pal/hermit/futex.rs index 427d8ff6f2e4..571b28856587 100644 --- a/library/std/src/sys/pal/hermit/futex.rs +++ b/library/std/src/sys/pal/hermit/futex.rs @@ -1,4 +1,4 @@ -use super::abi; +use super::hermit_abi; use crate::ptr::null; use crate::sync::atomic::AtomicU32; use crate::time::Duration; @@ -8,32 +8,32 @@ pub fn futex_wait(futex: &AtomicU32, expected: u32, timeout: Option) - // // Overflows are rounded up to an infinite timeout (None). let timespec = timeout.and_then(|dur| { - Some(abi::timespec { + Some(hermit_abi::timespec { tv_sec: dur.as_secs().try_into().ok()?, tv_nsec: dur.subsec_nanos().into(), }) }); let r = unsafe { - abi::futex_wait( + hermit_abi::futex_wait( futex.as_ptr(), expected, - timespec.as_ref().map_or(null(), |t| t as *const abi::timespec), - abi::FUTEX_RELATIVE_TIMEOUT, + timespec.as_ref().map_or(null(), |t| t as *const hermit_abi::timespec), + hermit_abi::FUTEX_RELATIVE_TIMEOUT, ) }; - r != -abi::errno::ETIMEDOUT + r != -hermit_abi::errno::ETIMEDOUT } #[inline] pub fn futex_wake(futex: &AtomicU32) -> bool { - unsafe { abi::futex_wake(futex.as_ptr(), 1) > 0 } + unsafe { hermit_abi::futex_wake(futex.as_ptr(), 1) > 0 } } #[inline] pub fn futex_wake_all(futex: &AtomicU32) { unsafe { - abi::futex_wake(futex.as_ptr(), i32::MAX); + hermit_abi::futex_wake(futex.as_ptr(), i32::MAX); } } diff --git a/library/std/src/sys/pal/hermit/mod.rs b/library/std/src/sys/pal/hermit/mod.rs index 910935541bd3..a64323a3a296 100644 --- a/library/std/src/sys/pal/hermit/mod.rs +++ b/library/std/src/sys/pal/hermit/mod.rs @@ -39,7 +39,7 @@ pub mod thread_local_key; pub mod time; use crate::io::ErrorKind; -use crate::os::hermit::abi; +use crate::os::hermit::hermit_abi; pub fn unsupported() -> crate::io::Result { Err(unsupported_err()) @@ -54,7 +54,7 @@ pub fn unsupported_err() -> crate::io::Error { pub fn abort_internal() -> ! { unsafe { - abi::abort(); + hermit_abi::abort(); } } @@ -62,7 +62,7 @@ pub fn hashmap_random_keys() -> (u64, u64) { let mut buf = [0; 16]; let mut slice = &mut buf[..]; while !slice.is_empty() { - let res = cvt(unsafe { abi::read_entropy(slice.as_mut_ptr(), slice.len(), 0) }) + let res = cvt(unsafe { hermit_abi::read_entropy(slice.as_mut_ptr(), slice.len(), 0) }) .expect("failed to generate random hashmap keys"); slice = &mut slice[res as usize..]; } @@ -109,31 +109,31 @@ pub unsafe extern "C" fn runtime_entry( let result = main(argc as isize, argv); run_dtors(); - abi::exit(result); + hermit_abi::exit(result); } #[inline] pub(crate) fn is_interrupted(errno: i32) -> bool { - errno == abi::errno::EINTR + errno == hermit_abi::errno::EINTR } pub fn decode_error_kind(errno: i32) -> ErrorKind { match errno { - abi::errno::EACCES => ErrorKind::PermissionDenied, - abi::errno::EADDRINUSE => ErrorKind::AddrInUse, - abi::errno::EADDRNOTAVAIL => ErrorKind::AddrNotAvailable, - abi::errno::EAGAIN => ErrorKind::WouldBlock, - abi::errno::ECONNABORTED => ErrorKind::ConnectionAborted, - abi::errno::ECONNREFUSED => ErrorKind::ConnectionRefused, - abi::errno::ECONNRESET => ErrorKind::ConnectionReset, - abi::errno::EEXIST => ErrorKind::AlreadyExists, - abi::errno::EINTR => ErrorKind::Interrupted, - abi::errno::EINVAL => ErrorKind::InvalidInput, - abi::errno::ENOENT => ErrorKind::NotFound, - abi::errno::ENOTCONN => ErrorKind::NotConnected, - abi::errno::EPERM => ErrorKind::PermissionDenied, - abi::errno::EPIPE => ErrorKind::BrokenPipe, - abi::errno::ETIMEDOUT => ErrorKind::TimedOut, + hermit_abi::errno::EACCES => ErrorKind::PermissionDenied, + hermit_abi::errno::EADDRINUSE => ErrorKind::AddrInUse, + hermit_abi::errno::EADDRNOTAVAIL => ErrorKind::AddrNotAvailable, + hermit_abi::errno::EAGAIN => ErrorKind::WouldBlock, + hermit_abi::errno::ECONNABORTED => ErrorKind::ConnectionAborted, + hermit_abi::errno::ECONNREFUSED => ErrorKind::ConnectionRefused, + hermit_abi::errno::ECONNRESET => ErrorKind::ConnectionReset, + hermit_abi::errno::EEXIST => ErrorKind::AlreadyExists, + hermit_abi::errno::EINTR => ErrorKind::Interrupted, + hermit_abi::errno::EINVAL => ErrorKind::InvalidInput, + hermit_abi::errno::ENOENT => ErrorKind::NotFound, + hermit_abi::errno::ENOTCONN => ErrorKind::NotConnected, + hermit_abi::errno::EPERM => ErrorKind::PermissionDenied, + hermit_abi::errno::EPIPE => ErrorKind::BrokenPipe, + hermit_abi::errno::ETIMEDOUT => ErrorKind::TimedOut, _ => ErrorKind::Uncategorized, } } diff --git a/library/std/src/sys/pal/hermit/os.rs b/library/std/src/sys/pal/hermit/os.rs index 1f9affbf7735..cc6781238319 100644 --- a/library/std/src/sys/pal/hermit/os.rs +++ b/library/std/src/sys/pal/hermit/os.rs @@ -1,4 +1,4 @@ -use super::abi; +use super::hermit_abi; use crate::collections::HashMap; use crate::error::Error as StdError; use crate::ffi::{CStr, OsStr, OsString}; @@ -14,11 +14,11 @@ use crate::vec; use core::slice::memchr; pub fn errno() -> i32 { - unsafe { abi::get_errno() } + unsafe { hermit_abi::get_errno() } } pub fn error_string(errno: i32) -> String { - abi::error_string(errno).to_string() + hermit_abi::error_string(errno).to_string() } pub fn getcwd() -> io::Result { @@ -197,10 +197,10 @@ pub fn home_dir() -> Option { pub fn exit(code: i32) -> ! { unsafe { - abi::exit(code); + hermit_abi::exit(code); } } pub fn getpid() -> u32 { - unsafe { abi::getpid() } + unsafe { hermit_abi::getpid() } } diff --git a/library/std/src/sys/pal/hermit/stdio.rs b/library/std/src/sys/pal/hermit/stdio.rs index ac54385e8cec..777c57b391c8 100644 --- a/library/std/src/sys/pal/hermit/stdio.rs +++ b/library/std/src/sys/pal/hermit/stdio.rs @@ -1,4 +1,4 @@ -use super::abi; +use super::hermit_abi; use crate::io; use crate::io::{IoSlice, IoSliceMut}; @@ -37,7 +37,7 @@ impl io::Write for Stdout { fn write(&mut self, data: &[u8]) -> io::Result { let len; - unsafe { len = abi::write(1, data.as_ptr() as *const u8, data.len()) } + unsafe { len = hermit_abi::write(1, data.as_ptr() as *const u8, data.len()) } if len < 0 { Err(io::const_io_error!(io::ErrorKind::Uncategorized, "Stdout is not able to print")) @@ -49,7 +49,7 @@ impl io::Write for Stdout { fn write_vectored(&mut self, data: &[IoSlice<'_>]) -> io::Result { let len; - unsafe { len = abi::write(1, data.as_ptr() as *const u8, data.len()) } + unsafe { len = hermit_abi::write(1, data.as_ptr() as *const u8, data.len()) } if len < 0 { Err(io::const_io_error!(io::ErrorKind::Uncategorized, "Stdout is not able to print")) @@ -78,7 +78,7 @@ impl io::Write for Stderr { fn write(&mut self, data: &[u8]) -> io::Result { let len; - unsafe { len = abi::write(2, data.as_ptr() as *const u8, data.len()) } + unsafe { len = hermit_abi::write(2, data.as_ptr() as *const u8, data.len()) } if len < 0 { Err(io::const_io_error!(io::ErrorKind::Uncategorized, "Stderr is not able to print")) @@ -90,7 +90,7 @@ impl io::Write for Stderr { fn write_vectored(&mut self, data: &[IoSlice<'_>]) -> io::Result { let len; - unsafe { len = abi::write(2, data.as_ptr() as *const u8, data.len()) } + unsafe { len = hermit_abi::write(2, data.as_ptr() as *const u8, data.len()) } if len < 0 { Err(io::const_io_error!(io::ErrorKind::Uncategorized, "Stderr is not able to print")) diff --git a/library/std/src/sys/pal/hermit/thread.rs b/library/std/src/sys/pal/hermit/thread.rs index 4fe6b12a95b0..b336dcd6860e 100644 --- a/library/std/src/sys/pal/hermit/thread.rs +++ b/library/std/src/sys/pal/hermit/thread.rs @@ -1,6 +1,6 @@ #![allow(dead_code)] -use super::abi; +use super::hermit_abi; use super::thread_local_dtor::run_dtors; use crate::ffi::CStr; use crate::io; @@ -9,7 +9,7 @@ use crate::num::NonZero; use crate::ptr; use crate::time::Duration; -pub type Tid = abi::Tid; +pub type Tid = hermit_abi::Tid; pub struct Thread { tid: Tid, @@ -27,10 +27,10 @@ impl Thread { core_id: isize, ) -> io::Result { let p = Box::into_raw(Box::new(p)); - let tid = abi::spawn2( + let tid = hermit_abi::spawn2( thread_start, p.expose_provenance(), - abi::Priority::into(abi::NORMAL_PRIO), + hermit_abi::Priority::into(hermit_abi::NORMAL_PRIO), stack, core_id, ); @@ -62,7 +62,7 @@ impl Thread { #[inline] pub fn yield_now() { unsafe { - abi::yield_now(); + hermit_abi::yield_now(); } } @@ -74,13 +74,13 @@ impl Thread { #[inline] pub fn sleep(dur: Duration) { unsafe { - abi::usleep(dur.as_micros() as u64); + hermit_abi::usleep(dur.as_micros() as u64); } } pub fn join(self) { unsafe { - let _ = abi::join(self.tid); + let _ = hermit_abi::join(self.tid); } } @@ -98,5 +98,5 @@ impl Thread { } pub fn available_parallelism() -> io::Result> { - unsafe { Ok(NonZero::new_unchecked(abi::get_processor_count())) } + unsafe { Ok(NonZero::new_unchecked(hermit_abi::get_processor_count())) } } diff --git a/library/std/src/sys/pal/hermit/time.rs b/library/std/src/sys/pal/hermit/time.rs index d6f9e4c1476b..2bf24462fa82 100644 --- a/library/std/src/sys/pal/hermit/time.rs +++ b/library/std/src/sys/pal/hermit/time.rs @@ -1,8 +1,6 @@ #![allow(dead_code)] -use super::abi; -use super::abi::timespec; -use super::abi::{CLOCK_MONOTONIC, CLOCK_REALTIME, NSEC_PER_SEC}; +use super::hermit_abi::{self, timespec, CLOCK_MONOTONIC, CLOCK_REALTIME, NSEC_PER_SEC}; use crate::cmp::Ordering; use crate::ops::{Add, AddAssign, Sub, SubAssign}; use crate::time::Duration; @@ -106,7 +104,8 @@ pub struct Instant(Timespec); impl Instant { pub fn now() -> Instant { let mut time: Timespec = Timespec::zero(); - let _ = unsafe { abi::clock_gettime(CLOCK_MONOTONIC, core::ptr::addr_of_mut!(time.t)) }; + let _ = + unsafe { hermit_abi::clock_gettime(CLOCK_MONOTONIC, core::ptr::addr_of_mut!(time.t)) }; Instant(time) } @@ -207,7 +206,8 @@ impl SystemTime { pub fn now() -> SystemTime { let mut time: Timespec = Timespec::zero(); - let _ = unsafe { abi::clock_gettime(CLOCK_REALTIME, core::ptr::addr_of_mut!(time.t)) }; + let _ = + unsafe { hermit_abi::clock_gettime(CLOCK_REALTIME, core::ptr::addr_of_mut!(time.t)) }; SystemTime(time) } From ac59bdc20cf07422557b5dc512ee6749a73c9414 Mon Sep 17 00:00:00 2001 From: Urgau Date: Mon, 22 Apr 2024 23:47:48 +0200 Subject: [PATCH 0023/1716] Add `--print=check-cfg` to get the expected configs --- compiler/rustc_driver_impl/src/lib.rs | 33 ++++++ compiler/rustc_session/src/config.rs | 14 ++- .../src/compiler-flags/print-check-cfg.md | 25 +++++ tests/run-make/print-check-cfg/lib.rs | 1 + tests/run-make/print-check-cfg/rmake.rs | 106 ++++++++++++++++++ .../feature-gate-print-check-cfg.rs | 3 + .../feature-gate-print-check-cfg.stderr | 2 + tests/ui/invalid-compile-flags/print.stderr | 2 +- 8 files changed, 184 insertions(+), 2 deletions(-) create mode 100644 src/doc/unstable-book/src/compiler-flags/print-check-cfg.md create mode 100644 tests/run-make/print-check-cfg/lib.rs create mode 100644 tests/run-make/print-check-cfg/rmake.rs create mode 100644 tests/ui/feature-gates/feature-gate-print-check-cfg.rs create mode 100644 tests/ui/feature-gates/feature-gate-print-check-cfg.stderr diff --git a/compiler/rustc_driver_impl/src/lib.rs b/compiler/rustc_driver_impl/src/lib.rs index b3cba4dbfc20..cf9d0fe794f8 100644 --- a/compiler/rustc_driver_impl/src/lib.rs +++ b/compiler/rustc_driver_impl/src/lib.rs @@ -804,6 +804,39 @@ fn print_crate_info( println_info!("{cfg}"); } } + CheckCfg => { + let mut check_cfgs: Vec = Vec::with_capacity(410); + + // INSTABILITY: We are sorting the output below. + #[allow(rustc::potential_query_instability)] + for (name, expected_values) in &sess.psess.check_config.expecteds { + use crate::config::ExpectedValues; + match expected_values { + ExpectedValues::Any => check_cfgs.push(format!("{name}=any()")), + ExpectedValues::Some(values) => { + check_cfgs.extend(values.iter().map(|value| { + if let Some(value) = value { + format!("{name}=\"{value}\"") + } else { + name.to_string() + } + })) + } + } + } + + check_cfgs.sort_unstable(); + if !sess.psess.check_config.exhaustive_names { + if !sess.psess.check_config.exhaustive_values { + println_info!("any()=any()"); + } else { + println_info!("any()"); + } + } + for check_cfg in check_cfgs { + println_info!("{check_cfg}"); + } + } CallingConventions => { let mut calling_conventions = rustc_target::spec::abi::all_names(); calling_conventions.sort_unstable(); diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs index 4f259960ac3a..5c56191c21bd 100644 --- a/compiler/rustc_session/src/config.rs +++ b/compiler/rustc_session/src/config.rs @@ -745,6 +745,7 @@ pub enum PrintKind { TargetLibdir, CrateName, Cfg, + CheckCfg, CallingConventions, TargetList, TargetCPUs, @@ -1424,7 +1425,7 @@ pub fn rustc_short_optgroups() -> Vec { "", "print", "Compiler information to print on stdout", - "[crate-name|file-names|sysroot|target-libdir|cfg|calling-conventions|\ + "[crate-name|file-names|sysroot|target-libdir|cfg|check-cfg|calling-conventions|\ target-list|target-cpus|target-features|relocation-models|code-models|\ tls-models|target-spec-json|all-target-specs-json|native-static-libs|\ stack-protector-strategies|link-args|deployment-target]", @@ -1834,6 +1835,7 @@ fn collect_print_requests( ("all-target-specs-json", PrintKind::AllTargetSpecs), ("calling-conventions", PrintKind::CallingConventions), ("cfg", PrintKind::Cfg), + ("check-cfg", PrintKind::CheckCfg), ("code-models", PrintKind::CodeModels), ("crate-name", PrintKind::CrateName), ("deployment-target", PrintKind::DeploymentTarget), @@ -1883,6 +1885,16 @@ fn collect_print_requests( ); } } + Some((_, PrintKind::CheckCfg)) => { + if unstable_opts.unstable_options { + PrintKind::CheckCfg + } else { + early_dcx.early_fatal( + "the `-Z unstable-options` flag must also be passed to \ + enable the check-cfg print option", + ); + } + } Some(&(_, print_kind)) => print_kind, None => { let prints = diff --git a/src/doc/unstable-book/src/compiler-flags/print-check-cfg.md b/src/doc/unstable-book/src/compiler-flags/print-check-cfg.md new file mode 100644 index 000000000000..e55165b53740 --- /dev/null +++ b/src/doc/unstable-book/src/compiler-flags/print-check-cfg.md @@ -0,0 +1,25 @@ +# `print=check-cfg` + +The tracking issue for this feature is: [#XXXXXX](https://github.com/rust-lang/rust/issues/XXXXXX). + +------------------------ + +This option of the `--print` flag print the list of expected cfgs. + +This is related to the `--check-cfg` flag which allows specifying arbitrary expected +names and values. + +This print option works similarly to `--print=cfg` (modulo check-cfg specifics): + - *check_cfg syntax*: *output of --print=check-cfg* + - `cfg(windows)`: `windows` + - `cfg(feature, values("foo", "bar"))`: `feature="foo"` and `feature="bar"` + - `cfg(feature, values(none(), ""))`: `feature` and `feature=""` + - `cfg(feature, values(any()))`: `feature=any()` + - `cfg(any())`: `any()` + - *nothing*: `any()=any()` + +To be used like this: + +```bash +rustc --print=check-cfg -Zunstable-options lib.rs +``` diff --git a/tests/run-make/print-check-cfg/lib.rs b/tests/run-make/print-check-cfg/lib.rs new file mode 100644 index 000000000000..c09e4c98dffd --- /dev/null +++ b/tests/run-make/print-check-cfg/lib.rs @@ -0,0 +1 @@ +// empty crate diff --git a/tests/run-make/print-check-cfg/rmake.rs b/tests/run-make/print-check-cfg/rmake.rs new file mode 100644 index 000000000000..554884b7d579 --- /dev/null +++ b/tests/run-make/print-check-cfg/rmake.rs @@ -0,0 +1,106 @@ +//! This checks the output of `--print=check-cfg` + +extern crate run_make_support; + +use std::collections::HashSet; +use std::iter::FromIterator; +use std::ops::Deref; + +use run_make_support::rustc; + +fn main() { + check( + /*args*/ &[], + /*has_any*/ false, + /*has_any_any*/ true, + /*contains*/ &[], + ); + check( + /*args*/ &["--check-cfg=cfg()"], + /*has_any*/ false, + /*has_any_any*/ false, + /*contains*/ &["unix", "miri"], + ); + check( + /*args*/ &["--check-cfg=cfg(any())"], + /*has_any*/ true, + /*has_any_any*/ false, + /*contains*/ &["windows", "test"], + ); + check( + /*args*/ &["--check-cfg=cfg(feature)"], + /*has_any*/ false, + /*has_any_any*/ false, + /*contains*/ &["unix", "miri", "feature"], + ); + check( + /*args*/ &[r#"--check-cfg=cfg(feature, values(none(), "", "test", "lol"))"#], + /*has_any*/ false, + /*has_any_any*/ false, + /*contains*/ &["feature", "feature=\"\"", "feature=\"test\"", "feature=\"lol\""], + ); + check( + /*args*/ &[ + r#"--check-cfg=cfg(feature, values(any()))"#, + r#"--check-cfg=cfg(feature, values("tmp"))"# + ], + /*has_any*/ false, + /*has_any_any*/ false, + /*contains*/ &["unix", "miri", "feature=any()"], + ); + check( + /*args*/ &[ + r#"--check-cfg=cfg(has_foo, has_bar)"#, + r#"--check-cfg=cfg(feature, values("tmp"))"#, + r#"--check-cfg=cfg(feature, values("tmp"))"# + ], + /*has_any*/ false, + /*has_any_any*/ false, + /*contains*/ &["has_foo", "has_bar", "feature=\"tmp\""], + ); +} + +fn check(args: &[&str], has_any: bool, has_any_any: bool, contains: &[&str]) { + let output = rustc() + .input("lib.rs") + .arg("-Zunstable-options") + .arg("--print=check-cfg") + .args(&*args) + .run(); + + let stdout = String::from_utf8(output.stdout).unwrap(); + + let mut found_any = false; + let mut found_any_any = false; + let mut found = HashSet::::new(); + let mut recorded = HashSet::::new(); + + for l in stdout.lines() { + assert!(l == l.trim()); + if l == "any()" { + found_any = true; + } else if l == "any()=any()" { + found_any_any = true; + } else if let Some((left, right)) = l.split_once('=') { + if right != "any()" && right != "" { + assert!(right.starts_with("\"")); + assert!(right.ends_with("\"")); + } + assert!(!left.contains("\"")); + } else { + assert!(!l.contains("\"")); + } + assert!(recorded.insert(l.to_string()), "{}", &l); + if contains.contains(&l) { + assert!(found.insert(l.to_string()), "{}", &l); + } + } + + let should_found = HashSet::::from_iter(contains.iter().map(|s| s.to_string())); + let diff: Vec<_> = should_found.difference(&found).collect(); + + assert_eq!(found_any, has_any); + assert_eq!(found_any_any, has_any_any); + assert_eq!(found_any_any, recorded.len() == 1); + assert!(diff.is_empty(), "{:?} != {:?} (~ {:?})", &should_found, &found, &diff); +} diff --git a/tests/ui/feature-gates/feature-gate-print-check-cfg.rs b/tests/ui/feature-gates/feature-gate-print-check-cfg.rs new file mode 100644 index 000000000000..304e0c132e50 --- /dev/null +++ b/tests/ui/feature-gates/feature-gate-print-check-cfg.rs @@ -0,0 +1,3 @@ +//@ compile-flags: --print=check-cfg + +fn main() {} diff --git a/tests/ui/feature-gates/feature-gate-print-check-cfg.stderr b/tests/ui/feature-gates/feature-gate-print-check-cfg.stderr new file mode 100644 index 000000000000..62ee44b94a48 --- /dev/null +++ b/tests/ui/feature-gates/feature-gate-print-check-cfg.stderr @@ -0,0 +1,2 @@ +error: the `-Z unstable-options` flag must also be passed to enable the check-cfg print option + diff --git a/tests/ui/invalid-compile-flags/print.stderr b/tests/ui/invalid-compile-flags/print.stderr index 0a032aabdfe8..70b4a394dd02 100644 --- a/tests/ui/invalid-compile-flags/print.stderr +++ b/tests/ui/invalid-compile-flags/print.stderr @@ -1,4 +1,4 @@ error: unknown print request: `yyyy` | - = help: valid print requests are: `all-target-specs-json`, `calling-conventions`, `cfg`, `code-models`, `crate-name`, `deployment-target`, `file-names`, `link-args`, `native-static-libs`, `relocation-models`, `split-debuginfo`, `stack-protector-strategies`, `sysroot`, `target-cpus`, `target-features`, `target-libdir`, `target-list`, `target-spec-json`, `tls-models` + = help: valid print requests are: `all-target-specs-json`, `calling-conventions`, `cfg`, `check-cfg`, `code-models`, `crate-name`, `deployment-target`, `file-names`, `link-args`, `native-static-libs`, `relocation-models`, `split-debuginfo`, `stack-protector-strategies`, `sysroot`, `target-cpus`, `target-features`, `target-libdir`, `target-list`, `target-spec-json`, `tls-models` From b1a4f8725795b3e7be5f461a937dbb8b35641013 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Fri, 26 Apr 2024 12:57:02 +0000 Subject: [PATCH 0024/1716] put `hir::AnonConst` on the hir arena --- clippy_utils/src/hir_utils.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/clippy_utils/src/hir_utils.rs b/clippy_utils/src/hir_utils.rs index 07c443acb05f..c921168df290 100644 --- a/clippy_utils/src/hir_utils.rs +++ b/clippy_utils/src/hir_utils.rs @@ -224,7 +224,7 @@ impl HirEqInterExpr<'_, '_, '_> { }) } - pub fn eq_array_length(&mut self, left: ArrayLen, right: ArrayLen) -> bool { + pub fn eq_array_length(&mut self, left: ArrayLen<'_>, right: ArrayLen<'_>) -> bool { match (left, right) { (ArrayLen::Infer(..), ArrayLen::Infer(..)) => true, (ArrayLen::Body(l_ct), ArrayLen::Body(r_ct)) => self.eq_body(l_ct.body, r_ct.body), @@ -1116,7 +1116,7 @@ impl<'a, 'tcx> SpanlessHash<'a, 'tcx> { } } - pub fn hash_array_length(&mut self, length: ArrayLen) { + pub fn hash_array_length(&mut self, length: ArrayLen<'_>) { match length { ArrayLen::Infer(..) => {}, ArrayLen::Body(anon_const) => self.hash_body(anon_const.body), From 22319bf6ba861eb0b5efb81aaf7616db30f4872f Mon Sep 17 00:00:00 2001 From: Matthias Geier Date: Fri, 26 Apr 2024 20:44:59 +0200 Subject: [PATCH 0025/1716] Add "safety" comment --- library/core/src/slice/raw.rs | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/library/core/src/slice/raw.rs b/library/core/src/slice/raw.rs index d001688d79d8..8ff429218a4d 100644 --- a/library/core/src/slice/raw.rs +++ b/library/core/src/slice/raw.rs @@ -92,11 +92,16 @@ use crate::ub_checks; /// ``` /// use std::slice; /// +/// /// # Safety +/// /// +/// /// If ptr is not NULL, it must be correctly aligned and +/// /// point to `len` initialized items of type `f32`. /// unsafe extern "C" fn handle_slice(ptr: *const f32, len: usize) { /// let data = if ptr.is_null() { /// // `len` is assumed to be 0. /// &[] /// } else { +/// // SAFETY: see function docstring. /// unsafe { slice::from_raw_parts(ptr, len) } /// }; /// dbg!(data); From 4df1303cff1eeb3b0c7f00d70fecf160279e7263 Mon Sep 17 00:00:00 2001 From: Matthias Geier Date: Fri, 26 Apr 2024 20:53:23 +0200 Subject: [PATCH 0026/1716] Extend the example code and assert the result --- library/core/src/slice/raw.rs | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/library/core/src/slice/raw.rs b/library/core/src/slice/raw.rs index 8ff429218a4d..efdd210c1fac 100644 --- a/library/core/src/slice/raw.rs +++ b/library/core/src/slice/raw.rs @@ -92,11 +92,13 @@ use crate::ub_checks; /// ``` /// use std::slice; /// +/// /// Sum the elements of an FFI slice. +/// /// /// /// # Safety /// /// /// /// If ptr is not NULL, it must be correctly aligned and /// /// point to `len` initialized items of type `f32`. -/// unsafe extern "C" fn handle_slice(ptr: *const f32, len: usize) { +/// unsafe extern "C" fn sum_slice(ptr: *const f32, len: usize) -> f32 { /// let data = if ptr.is_null() { /// // `len` is assumed to be 0. /// &[] @@ -104,9 +106,14 @@ use crate::ub_checks; /// // SAFETY: see function docstring. /// unsafe { slice::from_raw_parts(ptr, len) } /// }; -/// dbg!(data); -/// // ... +/// data.sum() /// } +/// +/// // This could be the result of C++'s std::vector::data(): +/// let ptr = std::ptr::null(); +/// // And this could be std::vector::size(): +/// let len = 0; +/// assert_eq!(unsafe { sum_slice(ptr, len) }, 0.0); /// ``` /// /// [valid]: ptr#safety From 1c9bf96b96f17ac177efaec22841e2ef3addd14c Mon Sep 17 00:00:00 2001 From: Roddy Rappaport Date: Fri, 26 Apr 2024 21:58:08 +0300 Subject: [PATCH 0027/1716] Fix website dash replacement #12718 Searching for a lint on the website will replace all of the dashes with underscores instead of only the first one. --- util/gh-pages/script.js | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/util/gh-pages/script.js b/util/gh-pages/script.js index c63edd5bf709..7fd779fe9a46 100644 --- a/util/gh-pages/script.js +++ b/util/gh-pages/script.js @@ -406,7 +406,7 @@ } // Search by id - if (lint.id.indexOf(searchStr.replace("-", "_")) !== -1) { + if (lint.id.indexOf(searchStr.replaceAll("-", "_")) !== -1) { return true; } From 30b676cc00324c16963ef529ba37b49e0200ac5f Mon Sep 17 00:00:00 2001 From: Matthias Geier Date: Fri, 26 Apr 2024 21:18:00 +0200 Subject: [PATCH 0028/1716] Add missing .into_iter() --- library/core/src/slice/raw.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/library/core/src/slice/raw.rs b/library/core/src/slice/raw.rs index efdd210c1fac..a42c2cc4e63a 100644 --- a/library/core/src/slice/raw.rs +++ b/library/core/src/slice/raw.rs @@ -106,7 +106,7 @@ use crate::ub_checks; /// // SAFETY: see function docstring. /// unsafe { slice::from_raw_parts(ptr, len) } /// }; -/// data.sum() +/// data.into_iter().sum() /// } /// /// // This could be the result of C++'s std::vector::data(): From 7d67ee5aba849939f64ed821a757518f211620a7 Mon Sep 17 00:00:00 2001 From: Tobias Bucher Date: Sat, 27 Apr 2024 18:44:30 +0200 Subject: [PATCH 0029/1716] Lift the probe code of `copy_file_range` into a function --- library/std/src/sys/pal/unix/kernel_copy.rs | 60 +++++++++++---------- 1 file changed, 31 insertions(+), 29 deletions(-) diff --git a/library/std/src/sys/pal/unix/kernel_copy.rs b/library/std/src/sys/pal/unix/kernel_copy.rs index 1db86bdb180f..cd38b7c07e2b 100644 --- a/library/std/src/sys/pal/unix/kernel_copy.rs +++ b/library/std/src/sys/pal/unix/kernel_copy.rs @@ -577,6 +577,23 @@ pub(super) fn copy_regular_files(reader: RawFd, writer: RawFd, max_len: u64) -> ) -> libc::ssize_t } + fn probe_copy_file_range_support() -> u8 { + // In some cases, we cannot determine availability from the first + // `copy_file_range` call. In this case, we probe with an invalid file + // descriptor so that the results are easily interpretable. + match unsafe { + cvt(copy_file_range(INVALID_FD, ptr::null_mut(), INVALID_FD, ptr::null_mut(), 1, 0)) + .map_err(|e| e.raw_os_error()) + } { + Err(Some(EPERM | ENOSYS)) => UNAVAILABLE, + Err(Some(EBADF)) => AVAILABLE, + Ok(_) => panic!("unexpected copy_file_range probe success"), + // Treat other errors as the syscall + // being unavailable. + Err(_) => UNAVAILABLE, + } + } + let mut written = 0u64; while written < max_len { let bytes_to_copy = cmp::min(max_len - written, usize::MAX as u64); @@ -614,35 +631,20 @@ pub(super) fn copy_regular_files(reader: RawFd, writer: RawFd, max_len: u64) -> if written == 0 => { if !have_probed { - let available = match raw_os_error { - EPERM => { - // EPERM can indicate seccomp filters or an - // immutable file. To distinguish these - // cases we probe with invalid file - // descriptors which should result in EBADF - // if the syscall is supported and EPERM or - // ENOSYS if it's not available. - match unsafe { - cvt(copy_file_range( - INVALID_FD, - ptr::null_mut(), - INVALID_FD, - ptr::null_mut(), - 1, - 0, - )) - .map_err(|e| e.raw_os_error()) - } { - Err(Some(EPERM | ENOSYS)) => UNAVAILABLE, - Err(Some(EBADF)) => AVAILABLE, - Ok(_) => panic!("unexpected copy_file_range probe success"), - // Treat other errors as the syscall - // being unavailable. - Err(_) => UNAVAILABLE, - } - } - ENOSYS => UNAVAILABLE, - _ => AVAILABLE, + let available = if matches!(raw_os_error, ENOSYS | EOPNOTSUPP | EPERM) { + // EPERM can indicate seccomp filters or an + // immutable file. To distinguish these + // cases we probe with invalid file + // descriptors which should result in EBADF + // if the syscall is supported and EPERM or + // ENOSYS if it's not available. + // + // For EOPNOTSUPP, see below. In the case of + // ENOSYS, we try to cover for faulty FUSE + // drivers. + probe_copy_file_range_support() + } else { + AVAILABLE }; HAS_COPY_FILE_RANGE.store(available, Ordering::Relaxed); } From fa8f4b88cbf3cfb6bad3076c24d0d11625003295 Mon Sep 17 00:00:00 2001 From: Alex Macleod Date: Sun, 28 Apr 2024 14:16:19 +0000 Subject: [PATCH 0030/1716] Lint direct priority conflicts in [lints.workspace] --- .../src/cargo/lint_groups_priority.rs | 13 +++++++- .../lint_groups_priority/fail/Cargo.stderr | 30 ++++++++++++++++++- .../lint_groups_priority/fail/Cargo.toml | 8 +++++ 3 files changed, 49 insertions(+), 2 deletions(-) diff --git a/clippy_lints/src/cargo/lint_groups_priority.rs b/clippy_lints/src/cargo/lint_groups_priority.rs index a3291c9da109..0d9eaac882f7 100644 --- a/clippy_lints/src/cargo/lint_groups_priority.rs +++ b/clippy_lints/src/cargo/lint_groups_priority.rs @@ -49,7 +49,7 @@ impl LintConfig { type LintTable = BTreeMap, Spanned>; -#[derive(Deserialize, Debug)] +#[derive(Deserialize, Debug, Default)] struct Lints { #[serde(default)] rust: LintTable, @@ -57,9 +57,18 @@ struct Lints { clippy: LintTable, } +#[derive(Deserialize, Debug, Default)] +struct Workspace { + #[serde(default)] + lints: Lints, +} + #[derive(Deserialize, Debug)] struct CargoToml { + #[serde(default)] lints: Lints, + #[serde(default)] + workspace: Workspace, } #[derive(Default, Debug)] @@ -164,5 +173,7 @@ pub fn check(cx: &LateContext<'_>) { check_table(cx, cargo_toml.lints.rust, &rustc_groups, &file); check_table(cx, cargo_toml.lints.clippy, &clippy_groups, &file); + check_table(cx, cargo_toml.workspace.lints.rust, &rustc_groups, &file); + check_table(cx, cargo_toml.workspace.lints.clippy, &clippy_groups, &file); } } diff --git a/tests/ui-cargo/lint_groups_priority/fail/Cargo.stderr b/tests/ui-cargo/lint_groups_priority/fail/Cargo.stderr index 103e60d84844..9177e99f8e6e 100644 --- a/tests/ui-cargo/lint_groups_priority/fail/Cargo.stderr +++ b/tests/ui-cargo/lint_groups_priority/fail/Cargo.stderr @@ -42,4 +42,32 @@ help: to have lints override the group set `pedantic` to a lower priority 19 | pedantic = { level = "warn", priority = -2 } | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -error: could not compile `fail` (lib) due to 3 previous errors +error: lint group `rust_2018_idioms` has the same priority (0) as a lint + --> Cargo.toml:23:1 + | +23 | rust_2018_idioms = "warn" + | ^^^^^^^^^^^^^^^^ ------ has an implicit priority of 0 +24 | bare_trait_objects = "allow" + | ------------------ has the same priority as this lint + | + = note: the order of the lints in the table is ignored by Cargo +help: to have lints override the group set `rust_2018_idioms` to a lower priority + | +23 | rust_2018_idioms = { level = "warn", priority = -1 } + | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +error: lint group `pedantic` has the same priority (0) as a lint + --> Cargo.toml:27:1 + | +27 | pedantic = "warn" + | ^^^^^^^^ ------ has an implicit priority of 0 +28 | similar_names = "allow" + | ------------- has the same priority as this lint + | + = note: the order of the lints in the table is ignored by Cargo +help: to have lints override the group set `pedantic` to a lower priority + | +27 | pedantic = { level = "warn", priority = -1 } + | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +error: could not compile `fail` (lib) due to 5 previous errors diff --git a/tests/ui-cargo/lint_groups_priority/fail/Cargo.toml b/tests/ui-cargo/lint_groups_priority/fail/Cargo.toml index 4ce41f781711..e4d4af9cd234 100644 --- a/tests/ui-cargo/lint_groups_priority/fail/Cargo.toml +++ b/tests/ui-cargo/lint_groups_priority/fail/Cargo.toml @@ -18,3 +18,11 @@ deprecated = "allow" [lints.clippy] pedantic = { level = "warn", priority = -1 } similar_names = { level = "allow", priority = -1 } + +[workspace.lints.rust] +rust_2018_idioms = "warn" +bare_trait_objects = "allow" + +[workspace.lints.clippy] +pedantic = "warn" +similar_names = "allow" From fc1e52a1078b7cf983ddf1b1d84c871f26dcb9de Mon Sep 17 00:00:00 2001 From: beetrees Date: Sun, 28 Apr 2024 19:22:51 +0100 Subject: [PATCH 0031/1716] Add tracking issue and unstable book page for `"vectorcall"` ABI --- compiler/rustc_feature/src/unstable.rs | 4 ++-- .../src/language-features/abi-vectorcall.md | 19 +++++++++++++++++++ .../feature-gate-vectorcall.stderr | 7 +++++++ 3 files changed, 28 insertions(+), 2 deletions(-) create mode 100644 src/doc/unstable-book/src/language-features/abi-vectorcall.md diff --git a/compiler/rustc_feature/src/unstable.rs b/compiler/rustc_feature/src/unstable.rs index 132e2ddee295..ac6b08a40981 100644 --- a/compiler/rustc_feature/src/unstable.rs +++ b/compiler/rustc_feature/src/unstable.rs @@ -177,8 +177,6 @@ declare_features! ( /// Allows using the `unadjusted` ABI; perma-unstable. (internal, abi_unadjusted, "1.16.0", None), - /// Allows using the `vectorcall` ABI. - (unstable, abi_vectorcall, "1.7.0", None), /// Allows using `#![needs_allocator]`, an implementation detail of `#[global_allocator]`. (internal, allocator_internals, "1.20.0", None), /// Allows using `#[allow_internal_unsafe]`. This is an @@ -243,6 +241,8 @@ declare_features! ( // feature-group-start: internal feature gates // ------------------------------------------------------------------------- + /// Allows using the `vectorcall` ABI. + (unstable, abi_vectorcall, "1.7.0", Some(124485)), /// Allows features specific to auto traits. /// Renamed from `optin_builtin_traits`. (unstable, auto_traits, "1.50.0", Some(13231)), diff --git a/src/doc/unstable-book/src/language-features/abi-vectorcall.md b/src/doc/unstable-book/src/language-features/abi-vectorcall.md new file mode 100644 index 000000000000..56273bfdb791 --- /dev/null +++ b/src/doc/unstable-book/src/language-features/abi-vectorcall.md @@ -0,0 +1,19 @@ +# `abi_vectorcall` + +The tracking issue for this feature is: [#124485] + +[#124485]: https://github.com/rust-lang/rust/issues/124485 + +------------------------ + +Adds support for the Windows `"vectorcall"` ABI, the equivalent of `__vectorcall` in MSVC. + +```rust,ignore (only-windows-or-x86-or-x86-64) +extern "vectorcall" { + fn add_f64s(x: f64, y: f64) -> f64; +} + +fn main() { + println!("{}", add_f64s(2.0, 4.0)); +} +``` diff --git a/tests/ui/feature-gates/feature-gate-vectorcall.stderr b/tests/ui/feature-gates/feature-gate-vectorcall.stderr index df93e8812c1e..b20e41887b9b 100644 --- a/tests/ui/feature-gates/feature-gate-vectorcall.stderr +++ b/tests/ui/feature-gates/feature-gate-vectorcall.stderr @@ -4,6 +4,7 @@ error[E0658]: vectorcall is experimental and subject to change LL | extern "vectorcall" fn f() {} | ^^^^^^^^^^^^ | + = note: see issue #124485 for more information = help: add `#![feature(abi_vectorcall)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date @@ -13,6 +14,7 @@ error[E0658]: vectorcall is experimental and subject to change LL | extern "vectorcall" fn m(); | ^^^^^^^^^^^^ | + = note: see issue #124485 for more information = help: add `#![feature(abi_vectorcall)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date @@ -22,6 +24,7 @@ error[E0658]: vectorcall is experimental and subject to change LL | extern "vectorcall" fn dm() {} | ^^^^^^^^^^^^ | + = note: see issue #124485 for more information = help: add `#![feature(abi_vectorcall)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date @@ -31,6 +34,7 @@ error[E0658]: vectorcall is experimental and subject to change LL | extern "vectorcall" fn m() {} | ^^^^^^^^^^^^ | + = note: see issue #124485 for more information = help: add `#![feature(abi_vectorcall)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date @@ -40,6 +44,7 @@ error[E0658]: vectorcall is experimental and subject to change LL | extern "vectorcall" fn im() {} | ^^^^^^^^^^^^ | + = note: see issue #124485 for more information = help: add `#![feature(abi_vectorcall)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date @@ -49,6 +54,7 @@ error[E0658]: vectorcall is experimental and subject to change LL | type TA = extern "vectorcall" fn(); | ^^^^^^^^^^^^ | + = note: see issue #124485 for more information = help: add `#![feature(abi_vectorcall)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date @@ -58,6 +64,7 @@ error[E0658]: vectorcall is experimental and subject to change LL | extern "vectorcall" {} | ^^^^^^^^^^^^ | + = note: see issue #124485 for more information = help: add `#![feature(abi_vectorcall)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date From c8a36979e6410058ec359ce6abf68077b3237116 Mon Sep 17 00:00:00 2001 From: Michael Woerister Date: Mon, 29 Apr 2024 12:09:19 +0200 Subject: [PATCH 0032/1716] Recommend to never display zero disambiguators when demangling v0 symbol names --- src/doc/rustc/src/symbol-mangling/v0.md | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/src/doc/rustc/src/symbol-mangling/v0.md b/src/doc/rustc/src/symbol-mangling/v0.md index 61f747fac837..e6709eb9a1a4 100644 --- a/src/doc/rustc/src/symbol-mangling/v0.md +++ b/src/doc/rustc/src/symbol-mangling/v0.md @@ -150,6 +150,15 @@ the *[disambiguator]* is used to make the name unique across the crate graph. > ``` > > Recommended demangling: `mycrate::example` +> +> Note: The compiler may re-use the *crate-root* form to express arbitrary +> unscoped, undisambiguated identifiers, such as for new basic types that have +> not been added to the grammar yet. To achieve that, it will emit a *crate-root* +> without an explicit disambiguator, relying on the fact that such an +> undisambiguated crate name cannot occur in practice. For example, the basic +> type `f128` would be encode as `C4f128`. For this to have the desired effect, +> demanglers are expected to never render zero disambiguators of crate roots. +> I.e. `C4f128` is expected to be displayed as `f128` and not `f128[0]`. ### Path: Inherent impl [inherent-impl]: #path-inherent-impl @@ -539,6 +548,10 @@ This allows disambiguators that are encoded sequentially to use minimal bytes. > **Recommended Demangling** > > The *disambiguator* may or may not be displayed; see recommendations for rules that use *disambiguator*. +> Generally, it is recommended that zero disambiguators are never displayed unless their accompanying +> identifier is empty (like is the case for unnamed items such as closures). +> When rendering a disambiguator, it can be shortened to a length reasonable for the context, +> similar to how git commit hashes are rarely displayed in full. ## Lifetime [lifetime]: #lifetime From 8e4a6af39b08ace0ec4dfb1f65d8b11052b3e11a Mon Sep 17 00:00:00 2001 From: joboet Date: Wed, 10 Apr 2024 16:00:44 +0200 Subject: [PATCH 0033/1716] std: rewrite TLS on platforms without threads --- library/std/src/sys/thread_local/mod.rs | 2 +- .../std/src/sys/thread_local/static_local.rs | 144 +++++++++--------- library/std/src/thread/mod.rs | 2 +- 3 files changed, 77 insertions(+), 71 deletions(-) diff --git a/library/std/src/sys/thread_local/mod.rs b/library/std/src/sys/thread_local/mod.rs index 7500c95d8b47..21c0e616bbd2 100644 --- a/library/std/src/sys/thread_local/mod.rs +++ b/library/std/src/sys/thread_local/mod.rs @@ -10,7 +10,7 @@ cfg_if::cfg_if! { #[doc(hidden)] mod static_local; #[doc(hidden)] - pub use static_local::{Key, thread_local_inner}; + pub use static_local::{EagerStorage, LazyStorage, thread_local_inner}; } else if #[cfg(target_thread_local)] { #[doc(hidden)] mod fast_local; diff --git a/library/std/src/sys/thread_local/static_local.rs b/library/std/src/sys/thread_local/static_local.rs index 162c3fbd97a0..6beda2e71880 100644 --- a/library/std/src/sys/thread_local/static_local.rs +++ b/library/std/src/sys/thread_local/static_local.rs @@ -1,5 +1,7 @@ -use super::lazy::LazyKeyInner; -use crate::fmt; +//! On some targets like wasm there's no threads, so no need to generate +//! thread locals and we can instead just use plain statics! + +use crate::cell::UnsafeCell; #[doc(hidden)] #[allow_internal_unstable(thread_local_internals)] @@ -9,22 +11,17 @@ use crate::fmt; pub macro thread_local_inner { // used to generate the `LocalKey` value for const-initialized thread locals (@key $t:ty, const $init:expr) => {{ - #[inline] // see comments below + const __INIT: $t = $init; + + #[inline] #[deny(unsafe_op_in_unsafe_fn)] unsafe fn __getit( _init: $crate::option::Option<&mut $crate::option::Option<$t>>, ) -> $crate::option::Option<&'static $t> { - const INIT_EXPR: $t = $init; + use $crate::thread::local_impl::EagerStorage; - // wasm without atomics maps directly to `static mut`, and dtors - // aren't implemented because thread dtors aren't really a thing - // on wasm right now - // - // FIXME(#84224) this should come after the `target_thread_local` - // block. - static mut VAL: $t = INIT_EXPR; - // SAFETY: we only ever create shared references, so there's no mutable aliasing. - unsafe { $crate::option::Option::Some(&*$crate::ptr::addr_of!(VAL)) } + static VAL: EagerStorage<$t> = EagerStorage { value: __INIT }; + $crate::option::Option::Some(&VAL.value) } unsafe { @@ -33,74 +30,83 @@ pub macro thread_local_inner { }}, // used to generate the `LocalKey` value for `thread_local!` - (@key $t:ty, $init:expr) => { - { - #[inline] - fn __init() -> $t { $init } - #[inline] - unsafe fn __getit( - init: $crate::option::Option<&mut $crate::option::Option<$t>>, - ) -> $crate::option::Option<&'static $t> { - static __KEY: $crate::thread::local_impl::Key<$t> = - $crate::thread::local_impl::Key::new(); + (@key $t:ty, $init:expr) => {{ + #[inline] + fn __init() -> $t { $init } - unsafe { - __KEY.get(move || { - if let $crate::option::Option::Some(init) = init { - if let $crate::option::Option::Some(value) = init.take() { - return value; - } else if $crate::cfg!(debug_assertions) { - $crate::unreachable!("missing default value"); - } - } - __init() - }) - } - } + #[inline] + #[deny(unsafe_op_in_unsafe_fn)] + unsafe fn __getit( + init: $crate::option::Option<&mut $crate::option::Option<$t>>, + ) -> $crate::option::Option<&'static $t> { + use $crate::thread::local_impl::LazyStorage; - unsafe { - $crate::thread::LocalKey::new(__getit) - } + static VAL: LazyStorage<$t> = LazyStorage::new(); + unsafe { $crate::option::Option::Some(VAL.get(init, __init)) } } - }, + + unsafe { + $crate::thread::LocalKey::new(__getit) + } + }}, ($(#[$attr:meta])* $vis:vis $name:ident, $t:ty, $($init:tt)*) => { $(#[$attr])* $vis const $name: $crate::thread::LocalKey<$t> = $crate::thread::local_impl::thread_local_inner!(@key $t, $($init)*); }, } -/// On some targets like wasm there's no threads, so no need to generate -/// thread locals and we can instead just use plain statics! - -pub struct Key { - inner: LazyKeyInner, +#[allow(missing_debug_implementations)] +pub struct EagerStorage { + pub value: T, } -unsafe impl Sync for Key {} +// SAFETY: the target doesn't have threads. +unsafe impl Sync for EagerStorage {} -impl fmt::Debug for Key { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.debug_struct("Key").finish_non_exhaustive() +#[allow(missing_debug_implementations)] +pub struct LazyStorage { + value: UnsafeCell>, +} + +impl LazyStorage { + pub const fn new() -> LazyStorage { + LazyStorage { value: UnsafeCell::new(None) } + } + + /// Gets a reference to the contained value, initializing it if necessary. + /// + /// # Safety + /// The returned reference may not be used after reentrant initialization has occurred. + #[inline] + pub unsafe fn get( + &'static self, + i: Option<&mut Option>, + f: impl FnOnce() -> T, + ) -> &'static T { + let value = unsafe { &*self.value.get() }; + match value { + Some(v) => v, + None => self.initialize(i, f), + } + } + + #[cold] + unsafe fn initialize( + &'static self, + i: Option<&mut Option>, + f: impl FnOnce() -> T, + ) -> &'static T { + let value = i.and_then(Option::take).unwrap_or_else(f); + // Destroy the old value, after updating the TLS variable as the + // destructor might reference it. + // FIXME(#110897): maybe panic on recursive initialization. + unsafe { + self.value.get().replace(Some(value)); + } + // SAFETY: we just set this to `Some`. + unsafe { (*self.value.get()).as_ref().unwrap_unchecked() } } } -impl Key { - pub const fn new() -> Key { - Key { inner: LazyKeyInner::new() } - } - - pub unsafe fn get(&self, init: impl FnOnce() -> T) -> Option<&'static T> { - // SAFETY: The caller must ensure no reference is ever handed out to - // the inner cell nor mutable reference to the Option inside said - // cell. This make it safe to hand a reference, though the lifetime - // of 'static is itself unsafe, making the get method unsafe. - let value = unsafe { - match self.inner.get() { - Some(ref value) => value, - None => self.inner.initialize(init), - } - }; - - Some(value) - } -} +// SAFETY: the target doesn't have threads. +unsafe impl Sync for LazyStorage {} diff --git a/library/std/src/thread/mod.rs b/library/std/src/thread/mod.rs index 604eb05040b2..5119bfb3072c 100644 --- a/library/std/src/thread/mod.rs +++ b/library/std/src/thread/mod.rs @@ -205,7 +205,7 @@ cfg_if::cfg_if! { #[doc(hidden)] #[unstable(feature = "thread_local_internals", issue = "none")] pub mod local_impl { - pub use crate::sys::thread_local::{thread_local_inner, Key, abort_on_dtor_unwind}; + pub use crate::sys::thread_local::*; } } } From c187bff864234e869dabcb41d2336639e29e2511 Mon Sep 17 00:00:00 2001 From: Alex Macleod Date: Tue, 26 Mar 2024 17:16:01 +0000 Subject: [PATCH 0034/1716] Fix `FormatArgs` storage when `-Zthreads` > 1 --- clippy_lints/src/explicit_write.rs | 20 +++-- clippy_lints/src/format.rs | 19 ++++- clippy_lints/src/format_args.rs | 13 ++-- clippy_lints/src/format_impl.rs | 10 ++- clippy_lints/src/lib.rs | 42 +++++++--- clippy_lints/src/methods/expect_fun_call.rs | 7 +- clippy_lints/src/methods/mod.rs | 15 +++- .../src/utils/format_args_collector.rs | 27 ++++--- clippy_lints/src/write.rs | 14 ++-- clippy_utils/src/macros.rs | 78 +++++++++---------- 10 files changed, 151 insertions(+), 94 deletions(-) diff --git a/clippy_lints/src/explicit_write.rs b/clippy_lints/src/explicit_write.rs index 33bd5a5a9d3a..df11ee36fc02 100644 --- a/clippy_lints/src/explicit_write.rs +++ b/clippy_lints/src/explicit_write.rs @@ -1,12 +1,12 @@ use clippy_utils::diagnostics::span_lint_and_sugg; -use clippy_utils::macros::{find_format_args, format_args_inputs_span}; +use clippy_utils::macros::{format_args_inputs_span, FormatArgsStorage}; use clippy_utils::source::snippet_with_applicability; use clippy_utils::{is_expn_of, path_def_id}; use rustc_errors::Applicability; use rustc_hir::def::Res; use rustc_hir::{BindingAnnotation, Block, BlockCheckMode, Expr, ExprKind, Node, PatKind, QPath, Stmt, StmtKind}; use rustc_lint::{LateContext, LateLintPass}; -use rustc_session::declare_lint_pass; +use rustc_session::impl_lint_pass; use rustc_span::{sym, ExpnId}; declare_clippy_lint! { @@ -38,7 +38,17 @@ declare_clippy_lint! { "using the `write!()` family of functions instead of the `print!()` family of functions, when using the latter would work" } -declare_lint_pass!(ExplicitWrite => [EXPLICIT_WRITE]); +pub struct ExplicitWrite { + format_args: FormatArgsStorage, +} + +impl ExplicitWrite { + pub fn new(format_args: FormatArgsStorage) -> Self { + Self { format_args } + } +} + +impl_lint_pass!(ExplicitWrite => [EXPLICIT_WRITE]); impl<'tcx> LateLintPass<'tcx> for ExplicitWrite { fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { @@ -57,7 +67,7 @@ impl<'tcx> LateLintPass<'tcx> for ExplicitWrite { Some(sym::io_stderr) => ("stderr", "e"), _ => return, }; - let Some(format_args) = find_format_args(cx, write_arg, ExpnId::root()) else { + let Some(format_args) = self.format_args.get(cx, write_arg, ExpnId::root()) else { return; }; @@ -83,7 +93,7 @@ impl<'tcx> LateLintPass<'tcx> for ExplicitWrite { }; let mut applicability = Applicability::MachineApplicable; let inputs_snippet = - snippet_with_applicability(cx, format_args_inputs_span(&format_args), "..", &mut applicability); + snippet_with_applicability(cx, format_args_inputs_span(format_args), "..", &mut applicability); span_lint_and_sugg( cx, EXPLICIT_WRITE, diff --git a/clippy_lints/src/format.rs b/clippy_lints/src/format.rs index 8a0cd155d211..0b248f784b76 100644 --- a/clippy_lints/src/format.rs +++ b/clippy_lints/src/format.rs @@ -1,5 +1,5 @@ use clippy_utils::diagnostics::span_lint_and_sugg; -use clippy_utils::macros::{find_format_arg_expr, find_format_args, root_macro_call_first_node}; +use clippy_utils::macros::{find_format_arg_expr, root_macro_call_first_node, FormatArgsStorage}; use clippy_utils::source::{snippet_opt, snippet_with_context}; use clippy_utils::sugg::Sugg; use rustc_ast::{FormatArgsPiece, FormatOptions, FormatTrait}; @@ -7,7 +7,7 @@ use rustc_errors::Applicability; use rustc_hir::{Expr, ExprKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty; -use rustc_session::declare_lint_pass; +use rustc_session::impl_lint_pass; use rustc_span::{sym, Span}; declare_clippy_lint! { @@ -39,13 +39,24 @@ declare_clippy_lint! { "useless use of `format!`" } -declare_lint_pass!(UselessFormat => [USELESS_FORMAT]); +#[allow(clippy::module_name_repetitions)] +pub struct UselessFormat { + format_args: FormatArgsStorage, +} + +impl UselessFormat { + pub fn new(format_args: FormatArgsStorage) -> Self { + Self { format_args } + } +} + +impl_lint_pass!(UselessFormat => [USELESS_FORMAT]); impl<'tcx> LateLintPass<'tcx> for UselessFormat { fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { if let Some(macro_call) = root_macro_call_first_node(cx, expr) && cx.tcx.is_diagnostic_item(sym::format_macro, macro_call.def_id) - && let Some(format_args) = find_format_args(cx, expr, macro_call.expn) + && let Some(format_args) = self.format_args.get(cx, expr, macro_call.expn) { let mut applicability = Applicability::MachineApplicable; let call_site = macro_call.span; diff --git a/clippy_lints/src/format_args.rs b/clippy_lints/src/format_args.rs index 003a9995c15f..86115807aa4d 100644 --- a/clippy_lints/src/format_args.rs +++ b/clippy_lints/src/format_args.rs @@ -3,8 +3,8 @@ use clippy_config::msrvs::{self, Msrv}; use clippy_utils::diagnostics::{span_lint_and_sugg, span_lint_and_then}; use clippy_utils::is_diag_trait_item; use clippy_utils::macros::{ - find_format_arg_expr, find_format_args, format_arg_removal_span, format_placeholder_format_span, is_assert_macro, - is_format_macro, is_panic, matching_root_macro_call, root_macro_call_first_node, FormatParamUsage, MacroCall, + find_format_arg_expr, format_arg_removal_span, format_placeholder_format_span, is_assert_macro, is_format_macro, + is_panic, matching_root_macro_call, root_macro_call_first_node, FormatArgsStorage, FormatParamUsage, MacroCall, }; use clippy_utils::source::snippet_opt; use clippy_utils::ty::{implements_trait, is_type_lang_item}; @@ -167,15 +167,18 @@ impl_lint_pass!(FormatArgs => [ UNUSED_FORMAT_SPECS, ]); +#[allow(clippy::struct_field_names)] pub struct FormatArgs { + format_args: FormatArgsStorage, msrv: Msrv, ignore_mixed: bool, } impl FormatArgs { #[must_use] - pub fn new(msrv: Msrv, allow_mixed_uninlined_format_args: bool) -> Self { + pub fn new(format_args: FormatArgsStorage, msrv: Msrv, allow_mixed_uninlined_format_args: bool) -> Self { Self { + format_args, msrv, ignore_mixed: allow_mixed_uninlined_format_args, } @@ -186,13 +189,13 @@ impl<'tcx> LateLintPass<'tcx> for FormatArgs { fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) { if let Some(macro_call) = root_macro_call_first_node(cx, expr) && is_format_macro(cx, macro_call.def_id) - && let Some(format_args) = find_format_args(cx, expr, macro_call.expn) + && let Some(format_args) = self.format_args.get(cx, expr, macro_call.expn) { let linter = FormatArgsExpr { cx, expr, macro_call: ¯o_call, - format_args: &format_args, + format_args, ignore_mixed: self.ignore_mixed, }; diff --git a/clippy_lints/src/format_impl.rs b/clippy_lints/src/format_impl.rs index 0a52347940ab..09be7237b5ca 100644 --- a/clippy_lints/src/format_impl.rs +++ b/clippy_lints/src/format_impl.rs @@ -1,5 +1,5 @@ use clippy_utils::diagnostics::{span_lint, span_lint_and_sugg}; -use clippy_utils::macros::{find_format_arg_expr, find_format_args, is_format_macro, root_macro_call_first_node}; +use clippy_utils::macros::{find_format_arg_expr, is_format_macro, root_macro_call_first_node, FormatArgsStorage}; use clippy_utils::{get_parent_as_impl, is_diag_trait_item, path_to_local, peel_ref_operators}; use rustc_ast::{FormatArgsPiece, FormatTrait}; use rustc_errors::Applicability; @@ -99,13 +99,15 @@ struct FormatTraitNames { #[derive(Default)] pub struct FormatImpl { + format_args: FormatArgsStorage, // Whether we are inside Display or Debug trait impl - None for neither format_trait_impl: Option, } impl FormatImpl { - pub fn new() -> Self { + pub fn new(format_args: FormatArgsStorage) -> Self { Self { + format_args, format_trait_impl: None, } } @@ -129,6 +131,7 @@ impl<'tcx> LateLintPass<'tcx> for FormatImpl { if let Some(format_trait_impl) = self.format_trait_impl { let linter = FormatImplExpr { cx, + format_args: &self.format_args, expr, format_trait_impl, }; @@ -141,6 +144,7 @@ impl<'tcx> LateLintPass<'tcx> for FormatImpl { struct FormatImplExpr<'a, 'tcx> { cx: &'a LateContext<'tcx>, + format_args: &'a FormatArgsStorage, expr: &'tcx Expr<'tcx>, format_trait_impl: FormatTraitNames, } @@ -175,7 +179,7 @@ impl<'a, 'tcx> FormatImplExpr<'a, 'tcx> { if let Some(outer_macro) = root_macro_call_first_node(self.cx, self.expr) && let macro_def_id = outer_macro.def_id && is_format_macro(self.cx, macro_def_id) - && let Some(format_args) = find_format_args(self.cx, self.expr, outer_macro.expn) + && let Some(format_args) = self.format_args.get(self.cx, self.expr, outer_macro.expn) { for piece in &format_args.template { if let FormatArgsPiece::Placeholder(placeholder) = piece diff --git a/clippy_lints/src/lib.rs b/clippy_lints/src/lib.rs index e2aac58bf979..c3c2f63424d4 100644 --- a/clippy_lints/src/lib.rs +++ b/clippy_lints/src/lib.rs @@ -60,11 +60,6 @@ extern crate clippy_utils; #[macro_use] extern crate declare_clippy_lint; -use std::collections::BTreeMap; - -use rustc_data_structures::fx::FxHashSet; -use rustc_lint::{Lint, LintId}; - #[cfg(feature = "internal")] pub mod deprecated_lints; #[cfg_attr(feature = "internal", allow(clippy::missing_clippy_version_attribute))] @@ -384,6 +379,10 @@ mod zero_sized_map_values; // end lints modules, do not remove this comment, it’s used in `update_lints` use clippy_config::{get_configuration_metadata, Conf}; +use clippy_utils::macros::FormatArgsStorage; +use rustc_data_structures::fx::FxHashSet; +use rustc_lint::{Lint, LintId}; +use std::collections::BTreeMap; /// Register all pre expansion lints /// @@ -614,6 +613,14 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { } } + let format_args_storage = FormatArgsStorage::default(); + let format_args = format_args_storage.clone(); + store.register_early_pass(move || { + Box::new(utils::format_args_collector::FormatArgsCollector::new( + format_args.clone(), + )) + }); + // all the internal lints #[cfg(feature = "internal")] { @@ -654,7 +661,6 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { .collect(), )) }); - store.register_early_pass(|| Box::::default()); store.register_late_pass(|_| Box::new(utils::dump_hir::DumpHir)); store.register_late_pass(|_| Box::new(utils::author::Author)); store.register_late_pass(move |_| { @@ -696,6 +702,7 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { store.register_late_pass(|_| Box::new(non_octal_unix_permissions::NonOctalUnixPermissions)); store.register_early_pass(|| Box::new(unnecessary_self_imports::UnnecessarySelfImports)); store.register_late_pass(move |_| Box::new(approx_const::ApproxConstant::new(msrv()))); + let format_args = format_args_storage.clone(); store.register_late_pass(move |_| { Box::new(methods::Methods::new( avoid_breaking_exported_api, @@ -703,6 +710,7 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { allow_expect_in_tests, allow_unwrap_in_tests, allowed_dotfiles.clone(), + format_args.clone(), )) }); store.register_late_pass(move |_| Box::new(matches::Matches::new(msrv()))); @@ -766,7 +774,8 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { store.register_late_pass(|_| Box::::default()); store.register_late_pass(move |_| Box::new(copies::CopyAndPaste::new(ignore_interior_mutability.clone()))); store.register_late_pass(|_| Box::new(copy_iterator::CopyIterator)); - store.register_late_pass(|_| Box::new(format::UselessFormat)); + let format_args = format_args_storage.clone(); + store.register_late_pass(move |_| Box::new(format::UselessFormat::new(format_args.clone()))); store.register_late_pass(|_| Box::new(swap::Swap)); store.register_late_pass(|_| Box::new(overflow_check_conditional::OverflowCheckConditional)); store.register_late_pass(|_| Box::::default()); @@ -790,7 +799,8 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { store.register_late_pass(|_| Box::new(partialeq_ne_impl::PartialEqNeImpl)); store.register_late_pass(|_| Box::new(unused_io_amount::UnusedIoAmount)); store.register_late_pass(move |_| Box::new(large_enum_variant::LargeEnumVariant::new(enum_variant_size_threshold))); - store.register_late_pass(|_| Box::new(explicit_write::ExplicitWrite)); + let format_args = format_args_storage.clone(); + store.register_late_pass(move |_| Box::new(explicit_write::ExplicitWrite::new(format_args.clone()))); store.register_late_pass(|_| Box::new(needless_pass_by_value::NeedlessPassByValue)); store.register_late_pass(move |tcx| { Box::new(pass_by_ref_or_value::PassByRefOrValue::new( @@ -832,7 +842,8 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { store.register_late_pass(move |_| Box::new(mut_key::MutableKeyType::new(ignore_interior_mutability.clone()))); store.register_early_pass(|| Box::new(reference::DerefAddrOf)); store.register_early_pass(|| Box::new(double_parens::DoubleParens)); - store.register_late_pass(|_| Box::new(format_impl::FormatImpl::new())); + let format_args = format_args_storage.clone(); + store.register_late_pass(move |_| Box::new(format_impl::FormatImpl::new(format_args.clone()))); store.register_early_pass(|| Box::new(unsafe_removed_from_name::UnsafeNameRemoval)); store.register_early_pass(|| Box::new(else_if_without_else::ElseIfWithoutElse)); store.register_early_pass(|| Box::new(int_plus_one::IntPlusOne)); @@ -958,8 +969,14 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { accept_comment_above_attributes, )) }); - store - .register_late_pass(move |_| Box::new(format_args::FormatArgs::new(msrv(), allow_mixed_uninlined_format_args))); + let format_args = format_args_storage.clone(); + store.register_late_pass(move |_| { + Box::new(format_args::FormatArgs::new( + format_args.clone(), + msrv(), + allow_mixed_uninlined_format_args, + )) + }); store.register_late_pass(|_| Box::new(trailing_empty_array::TrailingEmptyArray)); store.register_early_pass(|| Box::new(octal_escapes::OctalEscapes)); store.register_late_pass(|_| Box::new(needless_late_init::NeedlessLateInit)); @@ -970,7 +987,8 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { store.register_late_pass(|_| Box::new(default_union_representation::DefaultUnionRepresentation)); store.register_late_pass(|_| Box::::default()); store.register_late_pass(move |_| Box::new(dbg_macro::DbgMacro::new(allow_dbg_in_tests))); - store.register_late_pass(move |_| Box::new(write::Write::new(allow_print_in_tests))); + let format_args = format_args_storage.clone(); + store.register_late_pass(move |_| Box::new(write::Write::new(format_args.clone(), allow_print_in_tests))); store.register_late_pass(move |_| { Box::new(cargo::Cargo { ignore_publish: cargo_ignore_publish, diff --git a/clippy_lints/src/methods/expect_fun_call.rs b/clippy_lints/src/methods/expect_fun_call.rs index fba76852344f..c9f56e1d9809 100644 --- a/clippy_lints/src/methods/expect_fun_call.rs +++ b/clippy_lints/src/methods/expect_fun_call.rs @@ -1,5 +1,5 @@ use clippy_utils::diagnostics::span_lint_and_sugg; -use clippy_utils::macros::{find_format_args, format_args_inputs_span, root_macro_call_first_node}; +use clippy_utils::macros::{format_args_inputs_span, root_macro_call_first_node, FormatArgsStorage}; use clippy_utils::source::snippet_with_applicability; use clippy_utils::ty::{is_type_diagnostic_item, is_type_lang_item}; use rustc_errors::Applicability; @@ -16,6 +16,7 @@ use super::EXPECT_FUN_CALL; #[allow(clippy::too_many_lines)] pub(super) fn check<'tcx>( cx: &LateContext<'tcx>, + format_args_storage: &FormatArgsStorage, expr: &hir::Expr<'_>, method_span: Span, name: &str, @@ -134,9 +135,9 @@ pub(super) fn check<'tcx>( // Special handling for `format!` as arg_root if let Some(macro_call) = root_macro_call_first_node(cx, arg_root) { if cx.tcx.is_diagnostic_item(sym::format_macro, macro_call.def_id) - && let Some(format_args) = find_format_args(cx, arg_root, macro_call.expn) + && let Some(format_args) = format_args_storage.get(cx, arg_root, macro_call.expn) { - let span = format_args_inputs_span(&format_args); + let span = format_args_inputs_span(format_args); let sugg = snippet_with_applicability(cx, span, "..", &mut applicability); span_lint_and_sugg( cx, diff --git a/clippy_lints/src/methods/mod.rs b/clippy_lints/src/methods/mod.rs index 16e508bf4e1d..1ced448c18b3 100644 --- a/clippy_lints/src/methods/mod.rs +++ b/clippy_lints/src/methods/mod.rs @@ -133,6 +133,7 @@ use bind_instead_of_map::BindInsteadOfMap; use clippy_config::msrvs::{self, Msrv}; use clippy_utils::consts::{constant, Constant}; use clippy_utils::diagnostics::{span_lint, span_lint_and_help}; +use clippy_utils::macros::FormatArgsStorage; use clippy_utils::ty::{contains_ty_adt_constructor_opaque, implements_trait, is_copy, is_type_diagnostic_item}; use clippy_utils::{contains_return, is_bool, is_trait_method, iter_input_pats, peel_blocks, return_ty}; pub use path_ends_with_ext::DEFAULT_ALLOWED_DOTFILES; @@ -4087,12 +4088,14 @@ declare_clippy_lint! { suspicious, "is_empty() called on strings known at compile time" } + pub struct Methods { avoid_breaking_exported_api: bool, msrv: Msrv, allow_expect_in_tests: bool, allow_unwrap_in_tests: bool, allowed_dotfiles: FxHashSet, + format_args: FormatArgsStorage, } impl Methods { @@ -4103,6 +4106,7 @@ impl Methods { allow_expect_in_tests: bool, allow_unwrap_in_tests: bool, mut allowed_dotfiles: FxHashSet, + format_args: FormatArgsStorage, ) -> Self { allowed_dotfiles.extend(DEFAULT_ALLOWED_DOTFILES.iter().map(ToString::to_string)); @@ -4112,6 +4116,7 @@ impl Methods { allow_expect_in_tests, allow_unwrap_in_tests, allowed_dotfiles, + format_args, } } } @@ -4281,7 +4286,15 @@ impl<'tcx> LateLintPass<'tcx> for Methods { ExprKind::MethodCall(method_call, receiver, args, _) => { let method_span = method_call.ident.span; or_fun_call::check(cx, expr, method_span, method_call.ident.as_str(), receiver, args); - expect_fun_call::check(cx, expr, method_span, method_call.ident.as_str(), receiver, args); + expect_fun_call::check( + cx, + &self.format_args, + expr, + method_span, + method_call.ident.as_str(), + receiver, + args, + ); clone_on_copy::check(cx, expr, method_call.ident.name, receiver, args); clone_on_ref_ptr::check(cx, expr, method_call.ident.name, receiver, args); inefficient_to_string::check(cx, expr, method_call.ident.name, receiver, args); diff --git a/clippy_lints/src/utils/format_args_collector.rs b/clippy_lints/src/utils/format_args_collector.rs index 58e66c9f9b95..5acfd35fd6ae 100644 --- a/clippy_lints/src/utils/format_args_collector.rs +++ b/clippy_lints/src/utils/format_args_collector.rs @@ -1,4 +1,4 @@ -use clippy_utils::macros::AST_FORMAT_ARGS; +use clippy_utils::macros::FormatArgsStorage; use clippy_utils::source::snippet_opt; use itertools::Itertools; use rustc_ast::{Crate, Expr, ExprKind, FormatArgs}; @@ -9,13 +9,20 @@ use rustc_session::impl_lint_pass; use rustc_span::{hygiene, Span}; use std::iter::once; use std::mem; -use std::rc::Rc; -/// Collects [`rustc_ast::FormatArgs`] so that future late passes can call -/// [`clippy_utils::macros::find_format_args`] -#[derive(Default)] +/// Populates [`FormatArgsStorage`] with AST [`FormatArgs`] nodes pub struct FormatArgsCollector { - format_args: FxHashMap>, + format_args: FxHashMap, + storage: FormatArgsStorage, +} + +impl FormatArgsCollector { + pub fn new(storage: FormatArgsStorage) -> Self { + Self { + format_args: FxHashMap::default(), + storage, + } + } } impl_lint_pass!(FormatArgsCollector => []); @@ -27,16 +34,12 @@ impl EarlyLintPass for FormatArgsCollector { return; } - self.format_args - .insert(expr.span.with_parent(None), Rc::new((**args).clone())); + self.format_args.insert(expr.span.with_parent(None), (**args).clone()); } } fn check_crate_post(&mut self, _: &EarlyContext<'_>, _: &Crate) { - AST_FORMAT_ARGS.with(|ast_format_args| { - let result = ast_format_args.set(mem::take(&mut self.format_args)); - debug_assert!(result.is_ok()); - }); + self.storage.set(mem::take(&mut self.format_args)); } } diff --git a/clippy_lints/src/write.rs b/clippy_lints/src/write.rs index 26c6859233d5..ff6ee0d10ad5 100644 --- a/clippy_lints/src/write.rs +++ b/clippy_lints/src/write.rs @@ -1,5 +1,5 @@ use clippy_utils::diagnostics::{span_lint, span_lint_and_then}; -use clippy_utils::macros::{find_format_args, format_arg_removal_span, root_macro_call_first_node, MacroCall}; +use clippy_utils::macros::{format_arg_removal_span, root_macro_call_first_node, FormatArgsStorage, MacroCall}; use clippy_utils::source::{expand_past_previous_comma, snippet_opt}; use clippy_utils::{is_in_cfg_test, is_in_test_function}; use rustc_ast::token::LitKind; @@ -236,13 +236,15 @@ declare_clippy_lint! { #[derive(Default)] pub struct Write { + format_args: FormatArgsStorage, in_debug_impl: bool, allow_print_in_tests: bool, } impl Write { - pub fn new(allow_print_in_tests: bool) -> Self { + pub fn new(format_args: FormatArgsStorage, allow_print_in_tests: bool) -> Self { Self { + format_args, allow_print_in_tests, ..Default::default() } @@ -307,7 +309,7 @@ impl<'tcx> LateLintPass<'tcx> for Write { _ => return, } - if let Some(format_args) = find_format_args(cx, expr, macro_call.expn) { + if let Some(format_args) = self.format_args.get(cx, expr, macro_call.expn) { // ignore `writeln!(w)` and `write!(v, some_macro!())` if format_args.span.from_expansion() { return; @@ -315,15 +317,15 @@ impl<'tcx> LateLintPass<'tcx> for Write { match diag_name { sym::print_macro | sym::eprint_macro | sym::write_macro => { - check_newline(cx, &format_args, ¯o_call, name); + check_newline(cx, format_args, ¯o_call, name); }, sym::println_macro | sym::eprintln_macro | sym::writeln_macro => { - check_empty_string(cx, &format_args, ¯o_call, name); + check_empty_string(cx, format_args, ¯o_call, name); }, _ => {}, } - check_literal(cx, &format_args, name); + check_literal(cx, format_args, name); if !self.in_debug_impl { for piece in &format_args.template { diff --git a/clippy_utils/src/macros.rs b/clippy_utils/src/macros.rs index 257dd76ab15c..8daab9b0d92c 100644 --- a/clippy_utils/src/macros.rs +++ b/clippy_utils/src/macros.rs @@ -5,15 +5,13 @@ use crate::visitors::{for_each_expr, Descend}; use arrayvec::ArrayVec; use rustc_ast::{FormatArgs, FormatArgument, FormatPlaceholder}; use rustc_data_structures::fx::FxHashMap; +use rustc_data_structures::sync::{Lrc, OnceLock}; use rustc_hir::{self as hir, Expr, ExprKind, HirId, Node, QPath}; use rustc_lint::LateContext; use rustc_span::def_id::DefId; use rustc_span::hygiene::{self, MacroKind, SyntaxContext}; use rustc_span::{sym, BytePos, ExpnData, ExpnId, ExpnKind, Span, SpanData, Symbol}; -use std::cell::OnceCell; use std::ops::ControlFlow; -use std::rc::Rc; -use std::sync::atomic::{AtomicBool, Ordering}; const FORMAT_MACRO_DIAG_ITEMS: &[Symbol] = &[ sym::assert_eq_macro, @@ -388,50 +386,44 @@ fn is_assert_arg(cx: &LateContext<'_>, expr: &Expr<'_>, assert_expn: ExpnId) -> } } -thread_local! { - /// We preserve the [`FormatArgs`] structs from the early pass for use in the late pass to be - /// able to access the many features of a [`LateContext`]. +/// Stores AST [`FormatArgs`] nodes for use in late lint passes, as they are in a desugared form in +/// the HIR +#[derive(Default, Clone)] +pub struct FormatArgsStorage(Lrc>>); + +impl FormatArgsStorage { + /// Returns an AST [`FormatArgs`] node if a `format_args` expansion is found as a descendant of + /// `expn_id` /// - /// A thread local is used because [`FormatArgs`] is `!Send` and `!Sync`, we are making an - /// assumption that the early pass that populates the map and the later late passes will all be - /// running on the same thread. - #[doc(hidden)] - pub static AST_FORMAT_ARGS: OnceCell>> = { - static CALLED: AtomicBool = AtomicBool::new(false); - debug_assert!( - !CALLED.swap(true, Ordering::SeqCst), - "incorrect assumption: `AST_FORMAT_ARGS` should only be accessed by a single thread", - ); - - OnceCell::new() - }; -} - -/// Returns an AST [`FormatArgs`] node if a `format_args` expansion is found as a descendant of -/// `expn_id` -pub fn find_format_args(cx: &LateContext<'_>, start: &Expr<'_>, expn_id: ExpnId) -> Option> { - let format_args_expr = for_each_expr(start, |expr| { - let ctxt = expr.span.ctxt(); - if ctxt.outer_expn().is_descendant_of(expn_id) { - if macro_backtrace(expr.span) - .map(|macro_call| cx.tcx.item_name(macro_call.def_id)) - .any(|name| matches!(name, sym::const_format_args | sym::format_args | sym::format_args_nl)) - { - ControlFlow::Break(expr) + /// See also [`find_format_arg_expr`] + pub fn get(&self, cx: &LateContext<'_>, start: &Expr<'_>, expn_id: ExpnId) -> Option<&FormatArgs> { + let format_args_expr = for_each_expr(start, |expr| { + let ctxt = expr.span.ctxt(); + if ctxt.outer_expn().is_descendant_of(expn_id) { + if macro_backtrace(expr.span) + .map(|macro_call| cx.tcx.item_name(macro_call.def_id)) + .any(|name| matches!(name, sym::const_format_args | sym::format_args | sym::format_args_nl)) + { + ControlFlow::Break(expr) + } else { + ControlFlow::Continue(Descend::Yes) + } } else { - ControlFlow::Continue(Descend::Yes) + ControlFlow::Continue(Descend::No) } - } else { - ControlFlow::Continue(Descend::No) - } - })?; + })?; - AST_FORMAT_ARGS.with(|ast_format_args| { - ast_format_args - .get()? - .get(&format_args_expr.span.with_parent(None)) - .cloned() - }) + debug_assert!(self.0.get().is_some(), "`FormatArgsStorage` not yet populated"); + + self.0.get()?.get(&format_args_expr.span.with_parent(None)) + } + + /// Should only be called by `FormatArgsCollector` + pub fn set(&self, format_args: FxHashMap) { + self.0 + .set(format_args) + .expect("`FormatArgsStorage::set` should only be called once"); + } } /// Attempt to find the [`rustc_hir::Expr`] that corresponds to the [`FormatArgument`]'s value, if From c313ef51df3b395f2819d972223809427cd5072a Mon Sep 17 00:00:00 2001 From: Alex Macleod Date: Wed, 1 May 2024 12:04:11 +0000 Subject: [PATCH 0035/1716] Don't lint assigning_clones on nested late init locals --- clippy_lints/src/assigning_clones.rs | 8 +++----- clippy_utils/src/lib.rs | 15 +++++++++++++++ tests/ui/assigning_clones.fixed | 6 ++++++ tests/ui/assigning_clones.rs | 6 ++++++ tests/ui/assigning_clones.stderr | 18 +++++++++--------- 5 files changed, 39 insertions(+), 14 deletions(-) diff --git a/clippy_lints/src/assigning_clones.rs b/clippy_lints/src/assigning_clones.rs index d88ca84fb97d..1beeb4f71390 100644 --- a/clippy_lints/src/assigning_clones.rs +++ b/clippy_lints/src/assigning_clones.rs @@ -2,9 +2,9 @@ use clippy_config::msrvs::{self, Msrv}; use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::macros::HirNode; use clippy_utils::sugg::Sugg; -use clippy_utils::{is_trait_method, path_to_local}; +use clippy_utils::{is_trait_method, local_is_initialized, path_to_local}; use rustc_errors::Applicability; -use rustc_hir::{self as hir, Expr, ExprKind, Node}; +use rustc_hir::{self as hir, Expr, ExprKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty::{self, Instance, Mutability}; use rustc_session::impl_lint_pass; @@ -163,9 +163,7 @@ fn is_ok_to_suggest<'tcx>(cx: &LateContext<'tcx>, lhs: &Expr<'tcx>, call: &CallC // TODO: This check currently bails if the local variable has no initializer. // That is overly conservative - the lint should fire even if there was no initializer, // but the variable has been initialized before `lhs` was evaluated. - if let Some(Node::LetStmt(local)) = cx.tcx.hir().parent_id_iter(local).next().map(|p| cx.tcx.hir_node(p)) - && local.init.is_none() - { + if !local_is_initialized(cx, local) { return false; } } diff --git a/clippy_utils/src/lib.rs b/clippy_utils/src/lib.rs index fccd75d81533..649515a29b82 100644 --- a/clippy_utils/src/lib.rs +++ b/clippy_utils/src/lib.rs @@ -192,6 +192,21 @@ pub fn find_binding_init<'tcx>(cx: &LateContext<'tcx>, hir_id: HirId) -> Option< None } +/// Checks if the given local has an initializer or is from something other than a `let` statement +/// +/// e.g. returns true for `x` in `fn f(x: usize) { .. }` and `let x = 1;` but false for `let x;` +pub fn local_is_initialized(cx: &LateContext<'_>, local: HirId) -> bool { + for (_, node) in cx.tcx.hir().parent_iter(local) { + match node { + Node::Pat(..) | Node::PatField(..) => {}, + Node::LetStmt(let_stmt) => return let_stmt.init.is_some(), + _ => return true, + } + } + + false +} + /// Returns `true` if the given `NodeId` is inside a constant context /// /// # Example diff --git a/tests/ui/assigning_clones.fixed b/tests/ui/assigning_clones.fixed index 8387c7d6156b..394d2a67ca3a 100644 --- a/tests/ui/assigning_clones.fixed +++ b/tests/ui/assigning_clones.fixed @@ -86,6 +86,12 @@ fn assign_to_uninit_mut_var(b: HasCloneFrom) { a = b.clone(); } +fn late_init_let_tuple() { + let (p, q): (String, String); + p = "ghi".to_string(); + q = p.clone(); +} + #[derive(Clone)] pub struct HasDeriveClone; diff --git a/tests/ui/assigning_clones.rs b/tests/ui/assigning_clones.rs index 6f4da9f652c9..df6b760d5fd9 100644 --- a/tests/ui/assigning_clones.rs +++ b/tests/ui/assigning_clones.rs @@ -86,6 +86,12 @@ fn assign_to_uninit_mut_var(b: HasCloneFrom) { a = b.clone(); } +fn late_init_let_tuple() { + let (p, q): (String, String); + p = "ghi".to_string(); + q = p.clone(); +} + #[derive(Clone)] pub struct HasDeriveClone; diff --git a/tests/ui/assigning_clones.stderr b/tests/ui/assigning_clones.stderr index 793927bd1cb1..87f63ca604fe 100644 --- a/tests/ui/assigning_clones.stderr +++ b/tests/ui/assigning_clones.stderr @@ -68,55 +68,55 @@ LL | a = b.clone(); | ^^^^^^^^^^^^^ help: use `clone_from()`: `a.clone_from(&b)` error: assigning the result of `Clone::clone()` may be inefficient - --> tests/ui/assigning_clones.rs:133:5 + --> tests/ui/assigning_clones.rs:139:5 | LL | a = b.clone(); | ^^^^^^^^^^^^^ help: use `clone_from()`: `a.clone_from(&b)` error: assigning the result of `Clone::clone()` may be inefficient - --> tests/ui/assigning_clones.rs:140:5 + --> tests/ui/assigning_clones.rs:146:5 | LL | a = b.clone(); | ^^^^^^^^^^^^^ help: use `clone_from()`: `a.clone_from(&b)` error: assigning the result of `ToOwned::to_owned()` may be inefficient - --> tests/ui/assigning_clones.rs:141:5 + --> tests/ui/assigning_clones.rs:147:5 | LL | a = c.to_owned(); | ^^^^^^^^^^^^^^^^ help: use `clone_into()`: `c.clone_into(&mut a)` error: assigning the result of `ToOwned::to_owned()` may be inefficient - --> tests/ui/assigning_clones.rs:171:5 + --> tests/ui/assigning_clones.rs:177:5 | LL | *mut_string = ref_str.to_owned(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_into()`: `ref_str.clone_into(mut_string)` error: assigning the result of `ToOwned::to_owned()` may be inefficient - --> tests/ui/assigning_clones.rs:175:5 + --> tests/ui/assigning_clones.rs:181:5 | LL | mut_string = ref_str.to_owned(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_into()`: `ref_str.clone_into(&mut mut_string)` error: assigning the result of `ToOwned::to_owned()` may be inefficient - --> tests/ui/assigning_clones.rs:196:5 + --> tests/ui/assigning_clones.rs:202:5 | LL | **mut_box_string = ref_str.to_owned(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_into()`: `ref_str.clone_into(&mut (*mut_box_string))` error: assigning the result of `ToOwned::to_owned()` may be inefficient - --> tests/ui/assigning_clones.rs:200:5 + --> tests/ui/assigning_clones.rs:206:5 | LL | **mut_box_string = ref_str.to_owned(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_into()`: `ref_str.clone_into(&mut (*mut_box_string))` error: assigning the result of `ToOwned::to_owned()` may be inefficient - --> tests/ui/assigning_clones.rs:204:5 + --> tests/ui/assigning_clones.rs:210:5 | LL | *mut_thing = ToOwned::to_owned(ref_str); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_into()`: `ToOwned::clone_into(ref_str, mut_thing)` error: assigning the result of `ToOwned::to_owned()` may be inefficient - --> tests/ui/assigning_clones.rs:208:5 + --> tests/ui/assigning_clones.rs:214:5 | LL | mut_thing = ToOwned::to_owned(ref_str); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_into()`: `ToOwned::clone_into(ref_str, &mut mut_thing)` From 2f6abd190da3dba44058253cbbfdb900906ef1b6 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Wed, 1 May 2024 15:24:32 +0200 Subject: [PATCH 0036/1716] Stabilize `custom_code_classes_in_docs` feature --- compiler/rustc_feature/src/accepted.rs | 2 + compiler/rustc_feature/src/unstable.rs | 2 - src/doc/rustdoc/src/unstable-features.md | 44 ------ .../documentation-tests.md | 38 ++++++ src/librustdoc/doctest.rs | 1 - src/librustdoc/externalfiles.rs | 4 - src/librustdoc/html/markdown.rs | 125 +++--------------- src/librustdoc/html/markdown/tests.rs | 7 +- src/librustdoc/html/render/mod.rs | 5 - src/librustdoc/markdown.rs | 13 +- .../passes/calculate_doc_coverage.rs | 9 +- .../passes/check_custom_code_classes.rs | 93 ------------- .../passes/check_doc_test_visibility.rs | 9 +- .../passes/lint/check_code_block_syntax.rs | 4 +- src/librustdoc/passes/mod.rs | 5 - .../custom_code_classes_in_docs-warning.rs | 83 ------------ ...custom_code_classes_in_docs-warning.stderr | 97 -------------- .../custom_code_classes_in_docs-warning3.rs | 1 - ...ustom_code_classes_in_docs-warning3.stderr | 6 +- ...eature-gate-custom_code_classes_in_docs.rs | 16 --- ...re-gate-custom_code_classes_in_docs.stderr | 15 --- tests/rustdoc-ui/issues/issue-91713.stdout | 2 - tests/rustdoc/custom_code_classes.rs | 1 - 23 files changed, 67 insertions(+), 515 deletions(-) delete mode 100644 src/librustdoc/passes/check_custom_code_classes.rs delete mode 100644 tests/rustdoc-ui/custom_code_classes_in_docs-warning.rs delete mode 100644 tests/rustdoc-ui/custom_code_classes_in_docs-warning.stderr delete mode 100644 tests/rustdoc-ui/feature-gate-custom_code_classes_in_docs.rs delete mode 100644 tests/rustdoc-ui/feature-gate-custom_code_classes_in_docs.stderr diff --git a/compiler/rustc_feature/src/accepted.rs b/compiler/rustc_feature/src/accepted.rs index de2bd60ffad8..dfa8b9bb1f49 100644 --- a/compiler/rustc_feature/src/accepted.rs +++ b/compiler/rustc_feature/src/accepted.rs @@ -138,6 +138,8 @@ declare_features! ( (accepted, copy_closures, "1.26.0", Some(44490)), /// Allows `crate` in paths. (accepted, crate_in_paths, "1.30.0", Some(45477)), + /// Allows users to provide classes for fenced code block using `class:classname`. + (accepted, custom_code_classes_in_docs, "CURRENT_RUSTC_VERSION", Some(79483)), /// Allows using `#[debugger_visualizer]` attribute. (accepted, debugger_visualizer, "1.71.0", Some(95939)), /// Allows rustc to inject a default alloc_error_handler diff --git a/compiler/rustc_feature/src/unstable.rs b/compiler/rustc_feature/src/unstable.rs index 132e2ddee295..b41eedd17a0a 100644 --- a/compiler/rustc_feature/src/unstable.rs +++ b/compiler/rustc_feature/src/unstable.rs @@ -424,8 +424,6 @@ declare_features! ( /// Allows function attribute `#[coverage(on/off)]`, to control coverage /// instrumentation of that function. (unstable, coverage_attribute, "1.74.0", Some(84605)), - /// Allows users to provide classes for fenced code block using `class:classname`. - (unstable, custom_code_classes_in_docs, "1.74.0", Some(79483)), /// Allows non-builtin attributes in inner attribute position. (unstable, custom_inner_attributes, "1.30.0", Some(54726)), /// Allows custom test frameworks with `#![test_runner]` and `#[test_case]`. diff --git a/src/doc/rustdoc/src/unstable-features.md b/src/doc/rustdoc/src/unstable-features.md index bdb55de8d634..39f24a13143c 100644 --- a/src/doc/rustdoc/src/unstable-features.md +++ b/src/doc/rustdoc/src/unstable-features.md @@ -624,47 +624,3 @@ add the `--scrape-tests` flag. This flag enables the generation of links in the source code pages which allow the reader to jump to a type definition. - -### Custom CSS classes for code blocks - -```rust -#![feature(custom_code_classes_in_docs)] - -/// ```custom,{class=language-c} -/// int main(void) { return 0; } -/// ``` -pub struct Bar; -``` - -The text `int main(void) { return 0; }` is rendered without highlighting in a code block -with the class `language-c`. This can be used to highlight other languages through JavaScript -libraries for example. - -Without the `custom` attribute, it would be generated as a Rust code example with an additional -`language-C` CSS class. Therefore, if you specifically don't want it to be a Rust code example, -don't forget to add the `custom` attribute. - -To be noted that you can replace `class=` with `.` to achieve the same result: - -```rust -#![feature(custom_code_classes_in_docs)] - -/// ```custom,{.language-c} -/// int main(void) { return 0; } -/// ``` -pub struct Bar; -``` - -To be noted, `rust` and `.rust`/`class=rust` have different effects: `rust` indicates that this is -a Rust code block whereas the two others add a "rust" CSS class on the code block. - -You can also use double quotes: - -```rust -#![feature(custom_code_classes_in_docs)] - -/// ```"not rust" {."hello everyone"} -/// int main(void) { return 0; } -/// ``` -pub struct Bar; -``` diff --git a/src/doc/rustdoc/src/write-documentation/documentation-tests.md b/src/doc/rustdoc/src/write-documentation/documentation-tests.md index a7d3186fb78b..9526f33359e4 100644 --- a/src/doc/rustdoc/src/write-documentation/documentation-tests.md +++ b/src/doc/rustdoc/src/write-documentation/documentation-tests.md @@ -376,6 +376,44 @@ that the code sample should be compiled using the respective edition of Rust. # fn foo() {} ``` +### Custom CSS classes for code blocks + +```rust +/// ```custom,{class=language-c} +/// int main(void) { return 0; } +/// ``` +pub struct Bar; +``` + +The text `int main(void) { return 0; }` is rendered without highlighting in a code block +with the class `language-c`. This can be used to highlight other languages through JavaScript +libraries for example. + +Without the `custom` attribute, it would be generated as a Rust code example with an additional +`language-C` CSS class. Therefore, if you specifically don't want it to be a Rust code example, +don't forget to add the `custom` attribute. + +To be noted that you can replace `class=` with `.` to achieve the same result: + +```rust +/// ```custom,{.language-c} +/// int main(void) { return 0; } +/// ``` +pub struct Bar; +``` + +To be noted, `rust` and `.rust`/`class=rust` have different effects: `rust` indicates that this is +a Rust code block whereas the two others add a "rust" CSS class on the code block. + +You can also use double quotes: + +```rust +/// ```"not rust" {."hello everyone"} +/// int main(void) { return 0; } +/// ``` +pub struct Bar; +``` + ## Syntax reference The *exact* syntax for code blocks, including the edge cases, can be found diff --git a/src/librustdoc/doctest.rs b/src/librustdoc/doctest.rs index 0ad4c9c23464..ca356db0e540 100644 --- a/src/librustdoc/doctest.rs +++ b/src/librustdoc/doctest.rs @@ -1345,7 +1345,6 @@ impl<'a, 'hir, 'tcx> HirCollector<'a, 'hir, 'tcx> { def_id.to_def_id(), span_of_fragments(&attrs.doc_strings).unwrap_or(sp), )), - self.tcx.features().custom_code_classes_in_docs, ); } diff --git a/src/librustdoc/externalfiles.rs b/src/librustdoc/externalfiles.rs index 57e82b877bf1..f82c77cc9b84 100644 --- a/src/librustdoc/externalfiles.rs +++ b/src/librustdoc/externalfiles.rs @@ -46,8 +46,6 @@ impl ExternalHtml { edition, playground, heading_offset: HeadingOffset::H2, - // For external files, it'll be disabled until the feature is enabled by default. - custom_code_classes_in_docs: false, } .into_string() ); @@ -63,8 +61,6 @@ impl ExternalHtml { edition, playground, heading_offset: HeadingOffset::H2, - // For external files, it'll be disabled until the feature is enabled by default. - custom_code_classes_in_docs: false, } .into_string() ); diff --git a/src/librustdoc/html/markdown.rs b/src/librustdoc/html/markdown.rs index 5c5651f3ef0e..0e38ed79a871 100644 --- a/src/librustdoc/html/markdown.rs +++ b/src/librustdoc/html/markdown.rs @@ -20,7 +20,6 @@ //! edition: Edition::Edition2015, //! playground: &None, //! heading_offset: HeadingOffset::H2, -//! custom_code_classes_in_docs: true, //! }; //! let html = md.into_string(); //! // ... something using html @@ -97,8 +96,6 @@ pub struct Markdown<'a> { /// Offset at which we render headings. /// E.g. if `heading_offset: HeadingOffset::H2`, then `# something` renders an `

`. pub heading_offset: HeadingOffset, - /// `true` if the `custom_code_classes_in_docs` feature is enabled. - pub custom_code_classes_in_docs: bool, } /// A struct like `Markdown` that renders the markdown with a table of contents. pub(crate) struct MarkdownWithToc<'a> { @@ -107,8 +104,6 @@ pub(crate) struct MarkdownWithToc<'a> { pub(crate) error_codes: ErrorCodes, pub(crate) edition: Edition, pub(crate) playground: &'a Option, - /// `true` if the `custom_code_classes_in_docs` feature is enabled. - pub(crate) custom_code_classes_in_docs: bool, } /// A tuple struct like `Markdown` that renders the markdown escaping HTML tags /// and includes no paragraph tags. @@ -209,7 +204,6 @@ struct CodeBlocks<'p, 'a, I: Iterator>> { // Information about the playground if a URL has been specified, containing an // optional crate name and the URL. playground: &'p Option, - custom_code_classes_in_docs: bool, } impl<'p, 'a, I: Iterator>> CodeBlocks<'p, 'a, I> { @@ -218,15 +212,8 @@ impl<'p, 'a, I: Iterator>> CodeBlocks<'p, 'a, I> { error_codes: ErrorCodes, edition: Edition, playground: &'p Option, - custom_code_classes_in_docs: bool, ) -> Self { - CodeBlocks { - inner: iter, - check_error_codes: error_codes, - edition, - playground, - custom_code_classes_in_docs, - } + CodeBlocks { inner: iter, check_error_codes: error_codes, edition, playground } } } @@ -253,12 +240,8 @@ impl<'a, I: Iterator>> Iterator for CodeBlocks<'_, 'a, I> { let LangString { added_classes, compile_fail, should_panic, ignore, edition, .. } = match kind { CodeBlockKind::Fenced(ref lang) => { - let parse_result = LangString::parse_without_check( - lang, - self.check_error_codes, - false, - self.custom_code_classes_in_docs, - ); + let parse_result = + LangString::parse_without_check(lang, self.check_error_codes, false); if !parse_result.rust { let added_classes = parse_result.added_classes; let lang_string = if let Some(lang) = parse_result.unknown.first() { @@ -733,17 +716,8 @@ pub(crate) fn find_testable_code( error_codes: ErrorCodes, enable_per_target_ignores: bool, extra_info: Option<&ExtraInfo<'_>>, - custom_code_classes_in_docs: bool, ) { - find_codes( - doc, - tests, - error_codes, - enable_per_target_ignores, - extra_info, - false, - custom_code_classes_in_docs, - ) + find_codes(doc, tests, error_codes, enable_per_target_ignores, extra_info, false) } pub(crate) fn find_codes( @@ -753,7 +727,6 @@ pub(crate) fn find_codes( enable_per_target_ignores: bool, extra_info: Option<&ExtraInfo<'_>>, include_non_rust: bool, - custom_code_classes_in_docs: bool, ) { let mut parser = Parser::new(doc).into_offset_iter(); let mut prev_offset = 0; @@ -772,7 +745,6 @@ pub(crate) fn find_codes( error_codes, enable_per_target_ignores, extra_info, - custom_code_classes_in_docs, ) } } @@ -1167,29 +1139,6 @@ impl<'a, 'tcx> Iterator for TagIterator<'a, 'tcx> { } } -fn tokens(string: &str) -> impl Iterator> { - // Pandoc, which Rust once used for generating documentation, - // expects lang strings to be surrounded by `{}` and for each token - // to be proceeded by a `.`. Since some of these lang strings are still - // loose in the wild, we strip a pair of surrounding `{}` from the lang - // string and a leading `.` from each token. - - let string = string.trim(); - - let first = string.chars().next(); - let last = string.chars().last(); - - let string = - if first == Some('{') && last == Some('}') { &string[1..string.len() - 1] } else { string }; - - string - .split(|c| c == ',' || c == ' ' || c == '\t') - .map(str::trim) - .map(|token| token.strip_prefix('.').unwrap_or(token)) - .filter(|token| !token.is_empty()) - .map(|token| LangStringToken::LangToken(token)) -} - impl Default for LangString { fn default() -> Self { Self { @@ -1213,15 +1162,8 @@ impl LangString { string: &str, allow_error_code_check: ErrorCodes, enable_per_target_ignores: bool, - custom_code_classes_in_docs: bool, ) -> Self { - Self::parse( - string, - allow_error_code_check, - enable_per_target_ignores, - None, - custom_code_classes_in_docs, - ) + Self::parse(string, allow_error_code_check, enable_per_target_ignores, None) } fn parse( @@ -1229,7 +1171,6 @@ impl LangString { allow_error_code_check: ErrorCodes, enable_per_target_ignores: bool, extra: Option<&ExtraInfo<'_>>, - custom_code_classes_in_docs: bool, ) -> Self { let allow_error_code_check = allow_error_code_check.as_bool(); let mut seen_rust_tags = false; @@ -1266,11 +1207,7 @@ impl LangString { seen_rust_tags = true; } LangStringToken::LangToken("custom") => { - if custom_code_classes_in_docs { - seen_custom_tag = true; - } else { - seen_other_tags = true; - } + seen_custom_tag = true; } LangStringToken::LangToken("test_harness") => { data.test_harness = true; @@ -1361,16 +1298,12 @@ impl LangString { data.unknown.push(x.to_owned()); } LangStringToken::KeyValueAttribute(key, value) => { - if custom_code_classes_in_docs { - if key == "class" { - data.added_classes.push(value.to_owned()); - } else if let Some(extra) = extra { - extra.error_invalid_codeblock_attr(format!( - "unsupported attribute `{key}`" - )); - } - } else { - seen_other_tags = true; + if key == "class" { + data.added_classes.push(value.to_owned()); + } else if let Some(extra) = extra { + extra.error_invalid_codeblock_attr(format!( + "unsupported attribute `{key}`" + )); } } LangStringToken::ClassAttribute(class) => { @@ -1380,11 +1313,7 @@ impl LangString { } }; - if custom_code_classes_in_docs { - call(&mut TagIterator::new(string, extra)) - } else { - call(&mut tokens(string)) - } + call(&mut TagIterator::new(string, extra)); // ignore-foo overrides ignore if !ignores.is_empty() { @@ -1407,7 +1336,6 @@ impl Markdown<'_> { edition, playground, heading_offset, - custom_code_classes_in_docs, } = self; // This is actually common enough to special-case @@ -1430,7 +1358,7 @@ impl Markdown<'_> { let p = Footnotes::new(p); let p = LinkReplacer::new(p.map(|(ev, _)| ev), links); let p = TableWrapper::new(p); - let p = CodeBlocks::new(p, codes, edition, playground, custom_code_classes_in_docs); + let p = CodeBlocks::new(p, codes, edition, playground); html::push_html(&mut s, p); s @@ -1439,14 +1367,7 @@ impl Markdown<'_> { impl MarkdownWithToc<'_> { pub(crate) fn into_string(self) -> String { - let MarkdownWithToc { - content: md, - ids, - error_codes: codes, - edition, - playground, - custom_code_classes_in_docs, - } = self; + let MarkdownWithToc { content: md, ids, error_codes: codes, edition, playground } = self; let p = Parser::new_ext(md, main_body_opts()).into_offset_iter(); @@ -1458,7 +1379,7 @@ impl MarkdownWithToc<'_> { let p = HeadingLinks::new(p, Some(&mut toc), ids, HeadingOffset::H1); let p = Footnotes::new(p); let p = TableWrapper::new(p.map(|(ev, _)| ev)); - let p = CodeBlocks::new(p, codes, edition, playground, custom_code_classes_in_docs); + let p = CodeBlocks::new(p, codes, edition, playground); html::push_html(&mut s, p); } @@ -1899,11 +1820,7 @@ pub(crate) struct RustCodeBlock { /// Returns a range of bytes for each code block in the markdown that is tagged as `rust` or /// untagged (and assumed to be rust). -pub(crate) fn rust_code_blocks( - md: &str, - extra_info: &ExtraInfo<'_>, - custom_code_classes_in_docs: bool, -) -> Vec { +pub(crate) fn rust_code_blocks(md: &str, extra_info: &ExtraInfo<'_>) -> Vec { let mut code_blocks = vec![]; if md.is_empty() { @@ -1920,13 +1837,7 @@ pub(crate) fn rust_code_blocks( let lang_string = if syntax.is_empty() { Default::default() } else { - LangString::parse( - &*syntax, - ErrorCodes::Yes, - false, - Some(extra_info), - custom_code_classes_in_docs, - ) + LangString::parse(&*syntax, ErrorCodes::Yes, false, Some(extra_info)) }; if !lang_string.rust { continue; diff --git a/src/librustdoc/html/markdown/tests.rs b/src/librustdoc/html/markdown/tests.rs index 1de97e49b830..fb74c079c9a4 100644 --- a/src/librustdoc/html/markdown/tests.rs +++ b/src/librustdoc/html/markdown/tests.rs @@ -49,7 +49,7 @@ fn test_unique_id() { fn test_lang_string_parse() { fn t(lg: LangString) { let s = &lg.original; - assert_eq!(LangString::parse(s, ErrorCodes::Yes, true, None, true), lg) + assert_eq!(LangString::parse(s, ErrorCodes::Yes, true, None), lg) } t(Default::default()); @@ -305,7 +305,6 @@ fn test_header() { edition: DEFAULT_EDITION, playground: &None, heading_offset: HeadingOffset::H2, - custom_code_classes_in_docs: true, } .into_string(); assert_eq!(output, expect, "original: {}", input); @@ -357,7 +356,6 @@ fn test_header_ids_multiple_blocks() { edition: DEFAULT_EDITION, playground: &None, heading_offset: HeadingOffset::H2, - custom_code_classes_in_docs: true, } .into_string(); assert_eq!(output, expect, "original: {}", input); @@ -481,7 +479,7 @@ fn test_markdown_html_escape() { fn test_find_testable_code_line() { fn t(input: &str, expect: &[usize]) { let mut lines = Vec::::new(); - find_testable_code(input, &mut lines, ErrorCodes::No, false, None, true); + find_testable_code(input, &mut lines, ErrorCodes::No, false, None); assert_eq!(lines, expect); } @@ -506,7 +504,6 @@ fn test_ascii_with_prepending_hashtag() { edition: DEFAULT_EDITION, playground: &None, heading_offset: HeadingOffset::H2, - custom_code_classes_in_docs: true, } .into_string(); assert_eq!(output, expect, "original: {}", input); diff --git a/src/librustdoc/html/render/mod.rs b/src/librustdoc/html/render/mod.rs index 09a53affb14c..716b6b2390a8 100644 --- a/src/librustdoc/html/render/mod.rs +++ b/src/librustdoc/html/render/mod.rs @@ -504,7 +504,6 @@ fn scrape_examples_help(shared: &SharedContext<'_>) -> String { edition: shared.edition(), playground: &shared.playground, heading_offset: HeadingOffset::H1, - custom_code_classes_in_docs: false, } .into_string() ) @@ -538,7 +537,6 @@ fn render_markdown<'a, 'cx: 'a>( heading_offset: HeadingOffset, ) -> impl fmt::Display + 'a + Captures<'cx> { display_fn(move |f| { - let custom_code_classes_in_docs = cx.tcx().features().custom_code_classes_in_docs; write!( f, "
{}
", @@ -550,7 +548,6 @@ fn render_markdown<'a, 'cx: 'a>( edition: cx.shared.edition(), playground: &cx.shared.playground, heading_offset, - custom_code_classes_in_docs, } .into_string() ) @@ -1868,7 +1865,6 @@ fn render_impl(

", ); } - let custom_code_classes_in_docs = cx.tcx().features().custom_code_classes_in_docs; write!( w, "
{}
", @@ -1880,7 +1876,6 @@ fn render_impl( edition: cx.shared.edition(), playground: &cx.shared.playground, heading_offset: HeadingOffset::H4, - custom_code_classes_in_docs, } .into_string() ); diff --git a/src/librustdoc/markdown.rs b/src/librustdoc/markdown.rs index dcd2cf02a30a..86b319811969 100644 --- a/src/librustdoc/markdown.rs +++ b/src/librustdoc/markdown.rs @@ -82,8 +82,6 @@ pub(crate) fn render>( error_codes, edition, playground: &playground, - // For markdown files, it'll be disabled until the feature is enabled by default. - custom_code_classes_in_docs: false, } .into_string() } else { @@ -95,8 +93,6 @@ pub(crate) fn render>( edition, playground: &playground, heading_offset: HeadingOffset::H1, - // For markdown files, it'll be disabled until the feature is enabled by default. - custom_code_classes_in_docs: false, } .into_string() }; @@ -168,14 +164,7 @@ pub(crate) fn test(options: Options) -> Result<(), String> { let codes = ErrorCodes::from(options.unstable_features.is_nightly_build()); // For markdown files, custom code classes will be disabled until the feature is enabled by default. - find_testable_code( - &input_str, - &mut collector, - codes, - options.enable_per_target_ignores, - None, - false, - ); + find_testable_code(&input_str, &mut collector, codes, options.enable_per_target_ignores, None); crate::doctest::run_tests(options.test_args, options.nocapture, collector.tests); Ok(()) diff --git a/src/librustdoc/passes/calculate_doc_coverage.rs b/src/librustdoc/passes/calculate_doc_coverage.rs index 60def40588aa..592dd0a145cf 100644 --- a/src/librustdoc/passes/calculate_doc_coverage.rs +++ b/src/librustdoc/passes/calculate_doc_coverage.rs @@ -208,14 +208,7 @@ impl<'a, 'b> DocVisitor for CoverageCalculator<'a, 'b> { let has_docs = !i.attrs.doc_strings.is_empty(); let mut tests = Tests { found_tests: 0 }; - find_testable_code( - &i.doc_value(), - &mut tests, - ErrorCodes::No, - false, - None, - self.ctx.tcx.features().custom_code_classes_in_docs, - ); + find_testable_code(&i.doc_value(), &mut tests, ErrorCodes::No, false, None); let has_doc_example = tests.found_tests != 0; let hir_id = DocContext::as_local_hir_id(self.ctx.tcx, i.item_id).unwrap(); diff --git a/src/librustdoc/passes/check_custom_code_classes.rs b/src/librustdoc/passes/check_custom_code_classes.rs deleted file mode 100644 index 524795ed77c2..000000000000 --- a/src/librustdoc/passes/check_custom_code_classes.rs +++ /dev/null @@ -1,93 +0,0 @@ -//! NIGHTLY & UNSTABLE CHECK: custom_code_classes_in_docs -//! -//! This pass will produce errors when finding custom classes outside of -//! nightly + relevant feature active. - -use super::Pass; -use crate::clean::{Crate, Item}; -use crate::core::DocContext; -use crate::fold::DocFolder; -use crate::html::markdown::{find_codes, ErrorCodes, LangString}; - -use rustc_errors::StashKey; -use rustc_feature::GateIssue; -use rustc_session::parse::add_feature_diagnostics_for_issue; -use rustc_span::symbol::sym; - -pub(crate) const CHECK_CUSTOM_CODE_CLASSES: Pass = Pass { - name: "check-custom-code-classes", - run: check_custom_code_classes, - description: "check for custom code classes without the feature-gate enabled", -}; - -pub(crate) fn check_custom_code_classes(krate: Crate, cx: &mut DocContext<'_>) -> Crate { - if cx.tcx.features().custom_code_classes_in_docs { - // Nothing to check here if the feature is enabled. - return krate; - } - let mut coll = CustomCodeClassLinter { cx }; - - coll.fold_crate(krate) -} - -struct CustomCodeClassLinter<'a, 'tcx> { - cx: &'a DocContext<'tcx>, -} - -impl<'a, 'tcx> DocFolder for CustomCodeClassLinter<'a, 'tcx> { - fn fold_item(&mut self, item: Item) -> Option { - look_for_custom_classes(&self.cx, &item); - Some(self.fold_item_recur(item)) - } -} - -#[derive(Debug)] -struct TestsWithCustomClasses { - custom_classes_found: Vec, -} - -impl crate::doctest::Tester for TestsWithCustomClasses { - fn add_test(&mut self, _: String, config: LangString, _: usize) { - self.custom_classes_found.extend(config.added_classes); - } -} - -pub(crate) fn look_for_custom_classes<'tcx>(cx: &DocContext<'tcx>, item: &Item) { - if !item.item_id.is_local() { - // If non-local, no need to check anything. - return; - } - - let mut tests = TestsWithCustomClasses { custom_classes_found: vec![] }; - - let dox = item.attrs.doc_value(); - find_codes(&dox, &mut tests, ErrorCodes::No, false, None, true, true); - - if !tests.custom_classes_found.is_empty() { - let span = item.attr_span(cx.tcx); - let sess = &cx.tcx.sess; - let mut err = sess - .dcx() - .struct_span_warn(span, "custom classes in code blocks will change behaviour"); - add_feature_diagnostics_for_issue( - &mut err, - sess, - sym::custom_code_classes_in_docs, - GateIssue::Language, - false, - None, - ); - - err.note( - // This will list the wrong items to make them more easily searchable. - // To ensure the most correct hits, it adds back the 'class:' that was stripped. - format!( - "found these custom classes: class={}", - tests.custom_classes_found.join(",class=") - ), - ); - - // A later feature_err call can steal and cancel this warning. - err.stash(span, StashKey::EarlySyntaxWarning); - } -} diff --git a/src/librustdoc/passes/check_doc_test_visibility.rs b/src/librustdoc/passes/check_doc_test_visibility.rs index e85b998bfbe1..8055c8a96e35 100644 --- a/src/librustdoc/passes/check_doc_test_visibility.rs +++ b/src/librustdoc/passes/check_doc_test_visibility.rs @@ -112,14 +112,7 @@ pub(crate) fn look_for_tests<'tcx>(cx: &DocContext<'tcx>, dox: &str, item: &Item let mut tests = Tests { found_tests: 0 }; - find_testable_code( - dox, - &mut tests, - ErrorCodes::No, - false, - None, - cx.tcx.features().custom_code_classes_in_docs, - ); + find_testable_code(dox, &mut tests, ErrorCodes::No, false, None); if tests.found_tests == 0 && cx.tcx.features().rustdoc_missing_doc_code_examples { if should_have_doc_example(cx, item) { diff --git a/src/librustdoc/passes/lint/check_code_block_syntax.rs b/src/librustdoc/passes/lint/check_code_block_syntax.rs index 7b81b5e63be6..7a09baa4ad7f 100644 --- a/src/librustdoc/passes/lint/check_code_block_syntax.rs +++ b/src/librustdoc/passes/lint/check_code_block_syntax.rs @@ -20,9 +20,7 @@ pub(crate) fn visit_item(cx: &DocContext<'_>, item: &clean::Item) { if let Some(dox) = &item.opt_doc_value() { let sp = item.attr_span(cx.tcx); let extra = crate::html::markdown::ExtraInfo::new(cx.tcx, item.item_id.expect_def_id(), sp); - for code_block in - markdown::rust_code_blocks(dox, &extra, cx.tcx.features().custom_code_classes_in_docs) - { + for code_block in markdown::rust_code_blocks(dox, &extra) { check_rust_syntax(cx, item, dox, code_block); } } diff --git a/src/librustdoc/passes/mod.rs b/src/librustdoc/passes/mod.rs index 4eeaaa2bb70a..bb678e338888 100644 --- a/src/librustdoc/passes/mod.rs +++ b/src/librustdoc/passes/mod.rs @@ -35,9 +35,6 @@ pub(crate) use self::calculate_doc_coverage::CALCULATE_DOC_COVERAGE; mod lint; pub(crate) use self::lint::RUN_LINTS; -mod check_custom_code_classes; -pub(crate) use self::check_custom_code_classes::CHECK_CUSTOM_CODE_CLASSES; - /// A single pass over the cleaned documentation. /// /// Runs in the compiler context, so it has access to types and traits and the like. @@ -69,7 +66,6 @@ pub(crate) enum Condition { /// The full list of passes. pub(crate) const PASSES: &[Pass] = &[ - CHECK_CUSTOM_CODE_CLASSES, CHECK_DOC_TEST_VISIBILITY, STRIP_HIDDEN, STRIP_PRIVATE, @@ -83,7 +79,6 @@ pub(crate) const PASSES: &[Pass] = &[ /// The list of passes run by default. pub(crate) const DEFAULT_PASSES: &[ConditionalPass] = &[ - ConditionalPass::always(CHECK_CUSTOM_CODE_CLASSES), ConditionalPass::always(COLLECT_TRAIT_IMPLS), ConditionalPass::always(CHECK_DOC_TEST_VISIBILITY), ConditionalPass::new(STRIP_HIDDEN, WhenNotDocumentHidden), diff --git a/tests/rustdoc-ui/custom_code_classes_in_docs-warning.rs b/tests/rustdoc-ui/custom_code_classes_in_docs-warning.rs deleted file mode 100644 index 5398d5833c75..000000000000 --- a/tests/rustdoc-ui/custom_code_classes_in_docs-warning.rs +++ /dev/null @@ -1,83 +0,0 @@ -// This test ensures that warnings are working as expected for "custom_code_classes_in_docs" -// feature. - -#![feature(custom_code_classes_in_docs)] -#![deny(warnings)] -#![feature(no_core)] -#![no_core] - -/// ```{. } -/// main; -/// ``` -//~^^^ ERROR unexpected ` ` character after `.` -pub fn foo() {} - -/// ```{class= a} -/// main; -/// ``` -//~^^^ ERROR unexpected ` ` character after `=` -pub fn foo2() {} - -/// ```{#id} -/// main; -/// ``` -//~^^^ ERROR unexpected character `#` -pub fn foo3() {} - -/// ```{{ -/// main; -/// ``` -//~^^^ ERROR unexpected character `{` -pub fn foo4() {} - -/// ```} -/// main; -/// ``` -//~^^^ ERROR unexpected character `}` -pub fn foo5() {} - -/// ```) -/// main; -/// ``` -//~^^^ ERROR unexpected character `)` -pub fn foo6() {} - -/// ```{class=} -/// main; -/// ``` -//~^^^ ERROR unexpected `}` character after `=` -pub fn foo7() {} - -/// ```( -/// main; -/// ``` -//~^^^ ERROR unclosed comment: missing `)` at the end -pub fn foo8() {} - -/// ```{class=one=two} -/// main; -/// ``` -//~^^^ ERROR unexpected `=` character -pub fn foo9() {} - -/// ```{.one.two} -/// main; -/// ``` -pub fn foo10() {} - -/// ```{class=(one} -/// main; -/// ``` -//~^^^ ERROR unexpected `(` character after `=` -pub fn foo11() {} - -/// ```{class=one.two} -/// main; -/// ``` -pub fn foo12() {} - -/// ```{(comment)} -/// main; -/// ``` -//~^^^ ERROR unexpected character `(` -pub fn foo13() {} diff --git a/tests/rustdoc-ui/custom_code_classes_in_docs-warning.stderr b/tests/rustdoc-ui/custom_code_classes_in_docs-warning.stderr deleted file mode 100644 index 14b4b3bab3fa..000000000000 --- a/tests/rustdoc-ui/custom_code_classes_in_docs-warning.stderr +++ /dev/null @@ -1,97 +0,0 @@ -error: unexpected ` ` character after `.` - --> $DIR/custom_code_classes_in_docs-warning.rs:9:1 - | -LL | / /// ```{. } -LL | | /// main; -LL | | /// ``` - | |_______^ - | -note: the lint level is defined here - --> $DIR/custom_code_classes_in_docs-warning.rs:5:9 - | -LL | #![deny(warnings)] - | ^^^^^^^^ - = note: `#[deny(rustdoc::invalid_codeblock_attributes)]` implied by `#[deny(warnings)]` - -error: unexpected ` ` character after `=` - --> $DIR/custom_code_classes_in_docs-warning.rs:15:1 - | -LL | / /// ```{class= a} -LL | | /// main; -LL | | /// ``` - | |_______^ - -error: unexpected character `#` - --> $DIR/custom_code_classes_in_docs-warning.rs:21:1 - | -LL | / /// ```{#id} -LL | | /// main; -LL | | /// ``` - | |_______^ - -error: unexpected character `{` - --> $DIR/custom_code_classes_in_docs-warning.rs:27:1 - | -LL | / /// ```{{ -LL | | /// main; -LL | | /// ``` - | |_______^ - -error: unexpected character `}` - --> $DIR/custom_code_classes_in_docs-warning.rs:33:1 - | -LL | / /// ```} -LL | | /// main; -LL | | /// ``` - | |_______^ - -error: unexpected character `)` - --> $DIR/custom_code_classes_in_docs-warning.rs:39:1 - | -LL | / /// ```) -LL | | /// main; -LL | | /// ``` - | |_______^ - -error: unexpected `}` character after `=` - --> $DIR/custom_code_classes_in_docs-warning.rs:45:1 - | -LL | / /// ```{class=} -LL | | /// main; -LL | | /// ``` - | |_______^ - -error: unclosed comment: missing `)` at the end - --> $DIR/custom_code_classes_in_docs-warning.rs:51:1 - | -LL | / /// ```( -LL | | /// main; -LL | | /// ``` - | |_______^ - -error: unexpected `=` character - --> $DIR/custom_code_classes_in_docs-warning.rs:57:1 - | -LL | / /// ```{class=one=two} -LL | | /// main; -LL | | /// ``` - | |_______^ - -error: unexpected `(` character after `=` - --> $DIR/custom_code_classes_in_docs-warning.rs:68:1 - | -LL | / /// ```{class=(one} -LL | | /// main; -LL | | /// ``` - | |_______^ - -error: unexpected character `(` - --> $DIR/custom_code_classes_in_docs-warning.rs:79:1 - | -LL | / /// ```{(comment)} -LL | | /// main; -LL | | /// ``` - | |_______^ - -error: aborting due to 11 previous errors - diff --git a/tests/rustdoc-ui/custom_code_classes_in_docs-warning3.rs b/tests/rustdoc-ui/custom_code_classes_in_docs-warning3.rs index 57d9038cb0ce..6b1aa455d981 100644 --- a/tests/rustdoc-ui/custom_code_classes_in_docs-warning3.rs +++ b/tests/rustdoc-ui/custom_code_classes_in_docs-warning3.rs @@ -1,7 +1,6 @@ // This test ensures that warnings are working as expected for "custom_code_classes_in_docs" // feature. -#![feature(custom_code_classes_in_docs)] #![deny(warnings)] #![feature(no_core)] #![no_core] diff --git a/tests/rustdoc-ui/custom_code_classes_in_docs-warning3.stderr b/tests/rustdoc-ui/custom_code_classes_in_docs-warning3.stderr index ad049804213d..fc47404734ee 100644 --- a/tests/rustdoc-ui/custom_code_classes_in_docs-warning3.stderr +++ b/tests/rustdoc-ui/custom_code_classes_in_docs-warning3.stderr @@ -1,5 +1,5 @@ error: unclosed quote string `"` - --> $DIR/custom_code_classes_in_docs-warning3.rs:9:1 + --> $DIR/custom_code_classes_in_docs-warning3.rs:8:1 | LL | / /// ```{class="} LL | | /// main; @@ -11,14 +11,14 @@ LL | | /// ``` | |_______^ | note: the lint level is defined here - --> $DIR/custom_code_classes_in_docs-warning3.rs:5:9 + --> $DIR/custom_code_classes_in_docs-warning3.rs:4:9 | LL | #![deny(warnings)] | ^^^^^^^^ = note: `#[deny(rustdoc::invalid_codeblock_attributes)]` implied by `#[deny(warnings)]` error: unclosed quote string `"` - --> $DIR/custom_code_classes_in_docs-warning3.rs:9:1 + --> $DIR/custom_code_classes_in_docs-warning3.rs:8:1 | LL | / /// ```{class="} LL | | /// main; diff --git a/tests/rustdoc-ui/feature-gate-custom_code_classes_in_docs.rs b/tests/rustdoc-ui/feature-gate-custom_code_classes_in_docs.rs deleted file mode 100644 index e96444039f4c..000000000000 --- a/tests/rustdoc-ui/feature-gate-custom_code_classes_in_docs.rs +++ /dev/null @@ -1,16 +0,0 @@ -//@ check-pass - -/// ```{class=language-c} -/// int main(void) { return 0; } -/// ``` -//~^^^ WARNING custom classes in code blocks will change behaviour -//~| NOTE found these custom classes: class=language-c -//~| NOTE see issue #79483 -//~| NOTE: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date -//~| HELP add `#![feature(custom_code_classes_in_docs)]` to the crate attributes to enable -pub struct Bar; - -/// ```ASN.1 -/// int main(void) { return 0; } -/// ``` -pub struct Bar2; diff --git a/tests/rustdoc-ui/feature-gate-custom_code_classes_in_docs.stderr b/tests/rustdoc-ui/feature-gate-custom_code_classes_in_docs.stderr deleted file mode 100644 index 822806997c26..000000000000 --- a/tests/rustdoc-ui/feature-gate-custom_code_classes_in_docs.stderr +++ /dev/null @@ -1,15 +0,0 @@ -warning: custom classes in code blocks will change behaviour - --> $DIR/feature-gate-custom_code_classes_in_docs.rs:3:1 - | -LL | / /// ```{class=language-c} -LL | | /// int main(void) { return 0; } -LL | | /// ``` - | |_______^ - | - = note: see issue #79483 for more information - = help: add `#![feature(custom_code_classes_in_docs)]` to the crate attributes to enable - = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date - = note: found these custom classes: class=language-c - -warning: 1 warning emitted - diff --git a/tests/rustdoc-ui/issues/issue-91713.stdout b/tests/rustdoc-ui/issues/issue-91713.stdout index bbea7e5c212e..167835243631 100644 --- a/tests/rustdoc-ui/issues/issue-91713.stdout +++ b/tests/rustdoc-ui/issues/issue-91713.stdout @@ -1,5 +1,4 @@ Available passes for running rustdoc: -check-custom-code-classes - check for custom code classes without the feature-gate enabled check_doc_test_visibility - run various visibility-related lints on doctests strip-hidden - strips all `#[doc(hidden)]` items from the output strip-private - strips all private items from a crate which cannot be seen externally, implies strip-priv-imports @@ -11,7 +10,6 @@ calculate-doc-coverage - counts the number of items with and without documentati run-lints - runs some of rustdoc's lints Default passes for rustdoc: -check-custom-code-classes collect-trait-impls check_doc_test_visibility strip-hidden (when not --document-hidden-items) diff --git a/tests/rustdoc/custom_code_classes.rs b/tests/rustdoc/custom_code_classes.rs index cd20d8b7d6c9..569857a09cbe 100644 --- a/tests/rustdoc/custom_code_classes.rs +++ b/tests/rustdoc/custom_code_classes.rs @@ -1,6 +1,5 @@ // Test for `custom_code_classes_in_docs` feature. -#![feature(custom_code_classes_in_docs)] #![crate_name = "foo"] #![feature(no_core)] #![no_core] From b10be167025d0abec026642b2b69fb81a0edec56 Mon Sep 17 00:00:00 2001 From: Nilstrieb <48135649+Nilstrieb@users.noreply.github.com> Date: Wed, 1 May 2024 17:50:28 +0200 Subject: [PATCH 0037/1716] Handle rustc_on_unimplemented in duplicated_attributes --- clippy_lints/src/attrs/duplicated_attributes.rs | 3 ++- tests/ui/duplicated_attributes.rs | 6 +++++- 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/clippy_lints/src/attrs/duplicated_attributes.rs b/clippy_lints/src/attrs/duplicated_attributes.rs index 736ee48641d8..40a1c4e28842 100644 --- a/clippy_lints/src/attrs/duplicated_attributes.rs +++ b/clippy_lints/src/attrs/duplicated_attributes.rs @@ -36,9 +36,10 @@ fn check_duplicated_attr( } let Some(ident) = attr.ident() else { return }; let name = ident.name; - if name == sym::doc || name == sym::cfg_attr { + if name == sym::doc || name == sym::cfg_attr || name == sym::rustc_on_unimplemented { // FIXME: Would be nice to handle `cfg_attr` as well. Only problem is to check that cfg // conditions are the same. + // `#[rustc_on_unimplemented]` contains duplicated subattributes, that's expected. return; } if let Some(direct_parent) = parent.last() diff --git a/tests/ui/duplicated_attributes.rs b/tests/ui/duplicated_attributes.rs index d51e7e37beb6..97cf4a69682d 100644 --- a/tests/ui/duplicated_attributes.rs +++ b/tests/ui/duplicated_attributes.rs @@ -1,5 +1,5 @@ //@aux-build:proc_macro_attr.rs - +#![feature(rustc_attrs)] #![warn(clippy::duplicated_attributes)] #![cfg(any(unix, windows))] #![allow(dead_code)] @@ -20,6 +20,10 @@ fn foo() {} #[cfg(unix)] // cfgs are not handled fn bar() {} +// No warning: +#[rustc_on_unimplemented(on(_Self = "&str", label = "`a"), on(_Self = "alloc::string::String", label = "a"))] +trait Abc {} + #[proc_macro_attr::duplicated_attr()] // Should not warn! fn babar() {} From 63cb56e7893c360c92303cc8a88293a6e3f11e06 Mon Sep 17 00:00:00 2001 From: Daniel Hofstetter Date: Thu, 2 May 2024 17:11:35 +0200 Subject: [PATCH 0038/1716] assigning_clones: add empty line to doc --- clippy_lints/src/assigning_clones.rs | 1 + 1 file changed, 1 insertion(+) diff --git a/clippy_lints/src/assigning_clones.rs b/clippy_lints/src/assigning_clones.rs index f0dafb1ae0d5..0b5928a65b73 100644 --- a/clippy_lints/src/assigning_clones.rs +++ b/clippy_lints/src/assigning_clones.rs @@ -36,6 +36,7 @@ declare_clippy_lint! { /// Use instead: /// ```rust /// struct Thing; + /// /// impl Clone for Thing { /// fn clone(&self) -> Self { todo!() } /// fn clone_from(&mut self, other: &Self) { todo!() } From 80c6f8ff7bf3d16f3d05171c7fe770c9164f0140 Mon Sep 17 00:00:00 2001 From: Philipp Krones Date: Thu, 2 May 2024 17:26:44 +0200 Subject: [PATCH 0039/1716] Merge commit '20b085d500dfba5afe0869707bf357af3afe20be' into clippy-subtree-update --- CHANGELOG.md | 56 ++++- Cargo.toml | 4 +- book/src/development/adding_lints.md | 8 +- book/src/lint_configuration.md | 15 +- clippy_config/Cargo.toml | 2 +- clippy_config/src/conf.rs | 9 +- clippy_config/src/msrvs.rs | 2 +- clippy_lints/Cargo.toml | 2 +- clippy_lints/src/assigning_clones.rs | 4 +- clippy_lints/src/box_default.rs | 4 +- clippy_lints/src/cargo/mod.rs | 2 +- .../src/casts/cast_possible_truncation.rs | 7 +- clippy_lints/src/casts/mod.rs | 2 +- clippy_lints/src/collection_is_never_read.rs | 27 ++- clippy_lints/src/copies.rs | 44 ++-- clippy_lints/src/dbg_macro.rs | 10 +- clippy_lints/src/dereference.rs | 4 +- clippy_lints/src/format_args.rs | 6 +- clippy_lints/src/implied_bounds_in_impls.rs | 2 +- clippy_lints/src/index_refutable_slice.rs | 9 +- clippy_lints/src/large_stack_arrays.rs | 65 +++++- clippy_lints/src/lib.rs | 2 + .../src/loops/unused_enumerate_index.rs | 7 +- clippy_lints/src/manual_assert.rs | 5 +- clippy_lints/src/manual_is_ascii_check.rs | 103 +++++---- clippy_lints/src/matches/collapsible_match.rs | 23 +- clippy_lints/src/matches/mod.rs | 23 +- clippy_lints/src/matches/redundant_guards.rs | 27 +-- clippy_lints/src/matches/single_match.rs | 2 +- clippy_lints/src/methods/filter_map.rs | 5 +- .../src/methods/iter_overeager_cloned.rs | 3 +- clippy_lints/src/methods/mod.rs | 17 +- .../src/methods/readonly_write_lock.rs | 7 +- .../src/methods/single_char_insert_string.rs | 2 +- .../src/methods/single_char_pattern.rs | 6 +- .../src/methods/single_char_push_string.rs | 2 +- .../src/methods/unused_enumerate_index.rs | 9 +- clippy_lints/src/methods/utils.rs | 8 +- clippy_lints/src/multiple_bound_locations.rs | 2 +- clippy_lints/src/mut_key.rs | 67 ++---- clippy_lints/src/needless_for_each.rs | 16 +- clippy_lints/src/needless_late_init.rs | 3 +- clippy_lints/src/needless_pass_by_ref_mut.rs | 28 ++- clippy_lints/src/needless_pass_by_value.rs | 4 +- clippy_lints/src/non_canonical_impls.rs | 46 +++- clippy_lints/src/non_copy_const.rs | 99 +++------ .../src/operators/arithmetic_side_effects.rs | 53 +++-- clippy_lints/src/ptr.rs | 9 +- clippy_lints/src/question_mark.rs | 4 +- clippy_lints/src/repeat_vec_with_capacity.rs | 5 +- clippy_lints/src/size_of_ref.rs | 2 +- .../src/slow_vector_initialization.rs | 6 +- ...ead_local_initializer_can_be_made_const.rs | 36 ++- clippy_lints/src/to_string_trait_impl.rs | 2 +- clippy_lints/src/trait_bounds.rs | 1 + clippy_lints/src/types/mod.rs | 12 +- clippy_lints/src/utils/author.rs | 4 +- clippy_lints/src/vec.rs | 6 +- clippy_lints/src/vec_init_then_push.rs | 4 +- clippy_utils/Cargo.toml | 2 +- clippy_utils/src/lib.rs | 16 +- clippy_utils/src/macros.rs | 10 + clippy_utils/src/paths.rs | 5 - clippy_utils/src/ty.rs | 124 +++++++---- declare_clippy_lint/Cargo.toml | 2 +- rust-toolchain | 2 +- tests/compile-test.rs | 13 +- tests/ui-toml/mut_key/mut_key.rs | 8 + .../toml_unknown_key/conf_unknown_key.stderr | 3 + tests/ui-toml/useless_vec/clippy.toml | 1 + tests/ui-toml/useless_vec/useless_vec.fixed | 26 +++ tests/ui-toml/useless_vec/useless_vec.rs | 26 +++ tests/ui-toml/useless_vec/useless_vec.stderr | 11 + tests/ui/arithmetic_side_effects.rs | 10 + tests/ui/arithmetic_side_effects.stderr | 14 +- tests/ui/auxiliary/proc_macros.rs | 17 ++ .../borrow_interior_mutable_const/traits.rs | 4 +- .../traits.stderr | 18 +- tests/ui/box_default.fixed | 12 + tests/ui/box_default.rs | 12 + tests/ui/box_default.stderr | 8 +- tests/ui/cast.rs | 21 +- tests/ui/cast.stderr | 206 ++++++++++-------- tests/ui/collapsible_match.rs | 16 +- tests/ui/collapsible_match.stderr | 68 +++--- tests/ui/collection_is_never_read.rs | 14 ++ tests/ui/crashes/ice-5238.rs | 3 +- .../declare_interior_mutable_const/traits.rs | 5 +- .../traits.stderr | 20 +- tests/ui/disallowed_names.rs | 5 + tests/ui/large_stack_arrays.rs | 48 ++++ tests/ui/large_stack_arrays.stderr | 60 ++++- tests/ui/manual_is_ascii_check.fixed | 27 +++ tests/ui/manual_is_ascii_check.rs | 27 +++ tests/ui/manual_is_ascii_check.stderr | 42 +++- tests/ui/mistyped_literal_suffix.fixed | 2 +- tests/ui/mistyped_literal_suffix.rs | 2 +- tests/ui/mut_key.rs | 10 +- tests/ui/mut_key.stderr | 32 +-- tests/ui/needless_for_each_fixable.fixed | 4 + tests/ui/needless_for_each_fixable.rs | 4 + tests/ui/needless_pass_by_ref_mut.rs | 42 +++- tests/ui/needless_pass_by_ref_mut.stderr | 98 +++++---- tests/ui/needless_pass_by_ref_mut2.fixed | 24 ++ tests/ui/needless_pass_by_ref_mut2.rs | 24 ++ tests/ui/needless_pass_by_ref_mut2.stderr | 20 ++ tests/ui/non_canonical_partial_ord_impl.fixed | 18 ++ tests/ui/non_canonical_partial_ord_impl.rs | 18 ++ tests/ui/readonly_write_lock.fixed | 4 + tests/ui/readonly_write_lock.rs | 4 + tests/ui/redundant_guards.fixed | 12 + tests/ui/redundant_guards.rs | 12 + tests/ui/redundant_guards.stderr | 34 +-- tests/ui/redundant_locals.rs | 22 +- tests/ui/single_char_pattern.fixed | 14 +- tests/ui/single_char_pattern.rs | 8 +- tests/ui/single_char_pattern.stderr | 62 ++---- ..._local_initializer_can_be_made_const.fixed | 33 ++- ...ead_local_initializer_can_be_made_const.rs | 33 ++- tests/ui/type_complexity.rs | 2 - tests/ui/type_complexity.stderr | 30 +-- tests/ui/type_id_on_box_unfixable.rs | 2 +- triagebot.toml | 1 - util/gh-pages/script.js | 2 +- 124 files changed, 1666 insertions(+), 757 deletions(-) create mode 100644 tests/ui-toml/useless_vec/clippy.toml create mode 100644 tests/ui-toml/useless_vec/useless_vec.fixed create mode 100644 tests/ui-toml/useless_vec/useless_vec.rs create mode 100644 tests/ui-toml/useless_vec/useless_vec.stderr create mode 100644 tests/ui/needless_pass_by_ref_mut2.fixed create mode 100644 tests/ui/needless_pass_by_ref_mut2.rs create mode 100644 tests/ui/needless_pass_by_ref_mut2.stderr diff --git a/CHANGELOG.md b/CHANGELOG.md index bd3a04e34ae3..9c9ea1140814 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -6,11 +6,62 @@ document. ## Unreleased / Beta / In Rust Nightly -[66c29b97...master](https://github.com/rust-lang/rust-clippy/compare/66c29b97...master) +[93f0a9a9...master](https://github.com/rust-lang/rust-clippy/compare/93f0a9a9...master) + +## Rust 1.78 + +Current stable, released 2024-05-02 + +[View all 112 merged pull requests](https://github.com/rust-lang/rust-clippy/pulls?q=merged%3A2024-01-26T05%3A46%3A23Z..2024-03-07T16%3A25%3A52Z+base%3Amaster) + +### New Lints + +* [`assigning_clones`] + [#12077](https://github.com/rust-lang/rust-clippy/pull/12077) +* [`mixed_attributes_style`] + [#12354](https://github.com/rust-lang/rust-clippy/pull/12354) +* [`empty_docs`] + [#12342](https://github.com/rust-lang/rust-clippy/pull/12342) +* [`unnecessary_get_then_check`] + [#12339](https://github.com/rust-lang/rust-clippy/pull/12339) +* [`multiple_bound_locations`] + [#12259](https://github.com/rust-lang/rust-clippy/pull/12259) +* [`unnecessary_clippy_cfg`] + [#12303](https://github.com/rust-lang/rust-clippy/pull/12303) +* [`deprecated_clippy_cfg_attr`] + [#12292](https://github.com/rust-lang/rust-clippy/pull/12292) +* [`manual_c_str_literals`] + [#11919](https://github.com/rust-lang/rust-clippy/pull/11919) +* [`ref_as_ptr`] + [#12087](https://github.com/rust-lang/rust-clippy/pull/12087) +* [`lint_groups_priority`] + [#11832](https://github.com/rust-lang/rust-clippy/pull/11832) +* [`unnecessary_result_map_or_else`] + [#12169](https://github.com/rust-lang/rust-clippy/pull/12169) +* [`to_string_trait_impl`] + [#12122](https://github.com/rust-lang/rust-clippy/pull/12122) +* [`incompatible_msrv`] + [#12160](https://github.com/rust-lang/rust-clippy/pull/12160) + +### Enhancements + +* [`thread_local_initializer_can_be_made_const`]: Now checks the [`msrv`] configuration + [#12405](https://github.com/rust-lang/rust-clippy/pull/12405) +* [`disallowed_macros`]: Code generated by derive macros can no longer allow this lint + [#12267](https://github.com/rust-lang/rust-clippy/pull/12267) +* [`wildcard_imports`]: Add configuration [`allowed-wildcard-imports`] to allow preconfigured wildcards + [#11979](https://github.com/rust-lang/rust-clippy/pull/11979) + +### ICE Fixes + +* [`ptr_as_ptr`]: No longer ICEs when the cast source is a function call to a local variable + [#12617](https://github.com/rust-lang/rust-clippy/pull/12617) +* [`cast_sign_loss`]: Avoids an infinite loop when casting two chained `.unwrap()` calls + [#12508](https://github.com/rust-lang/rust-clippy/pull/12508) ## Rust 1.77 -Current stable, released 2024-03-18 +Released 2024-03-18 [View all 93 merged pull requests](https://github.com/rust-lang/rust-clippy/pulls?q=merged%3A2023-12-16T18%3A20%3A00Z..2024-01-25T18%3A15%3A56Z+base%3Amaster) @@ -5891,6 +5942,7 @@ Released 2018-09-13 [`allow-print-in-tests`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allow-print-in-tests [`allow-private-module-inception`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allow-private-module-inception [`allow-unwrap-in-tests`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allow-unwrap-in-tests +[`allow-useless-vec-in-tests`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allow-useless-vec-in-tests [`allowed-dotfiles`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allowed-dotfiles [`allowed-duplicate-crates`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allowed-duplicate-crates [`allowed-idents-below-min-chars`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allowed-idents-below-min-chars diff --git a/Cargo.toml b/Cargo.toml index 43f20ecedc21..b48f3ab3919c 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -1,6 +1,6 @@ [package] name = "clippy" -version = "0.1.79" +version = "0.1.80" description = "A bunch of helpful lints to avoid common pitfalls in Rust" repository = "https://github.com/rust-lang/rust-clippy" readme = "README.md" @@ -30,7 +30,7 @@ color-print = "0.3.4" anstream = "0.6.0" [dev-dependencies] -ui_test = "0.22.2" +ui_test = "0.23" regex = "1.5.5" toml = "0.7.3" walkdir = "2.3" diff --git a/book/src/development/adding_lints.md b/book/src/development/adding_lints.md index b80ac6370e7a..415022612caa 100644 --- a/book/src/development/adding_lints.md +++ b/book/src/development/adding_lints.md @@ -299,10 +299,10 @@ This is good, because it makes writing this particular lint less complicated. We have to make this decision with every new Clippy lint. It boils down to using either [`EarlyLintPass`][early_lint_pass] or [`LateLintPass`][late_lint_pass]. -In short, the `LateLintPass` has access to type information while the -`EarlyLintPass` doesn't. If you don't need access to type information, use the -`EarlyLintPass`. The `EarlyLintPass` is also faster. However, linting speed -hasn't really been a concern with Clippy so far. +In short, the `EarlyLintPass` runs before type checking and +[HIR](https://rustc-dev-guide.rust-lang.org/hir.html) lowering and the `LateLintPass` +has access to type information. Consider using the `LateLintPass` unless you need +something specific from the `EarlyLintPass`. Since we don't need type information for checking the function name, we used `--pass=early` when running the new lint automation and all the imports were diff --git a/book/src/lint_configuration.md b/book/src/lint_configuration.md index 7cefa6852642..f6af9810ca16 100644 --- a/book/src/lint_configuration.md +++ b/book/src/lint_configuration.md @@ -132,6 +132,16 @@ Whether `unwrap` should be allowed in test functions or `#[cfg(test)]` * [`unwrap_used`](https://rust-lang.github.io/rust-clippy/master/index.html#unwrap_used) +## `allow-useless-vec-in-tests` +Whether `useless_vec` should ignore test functions or `#[cfg(test)]` + +**Default Value:** `false` + +--- +**Affected lints:** +* [`useless_vec`](https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec) + + ## `allowed-dotfiles` Additional dotfiles (files or directories starting with a dot) to allow @@ -506,13 +516,14 @@ The maximum byte size a `Future` can have, before it triggers the `clippy::large ## `ignore-interior-mutability` -A list of paths to types that should be treated like `Arc`, i.e. ignored but -for the generic parameters for determining interior mutability +A list of paths to types that should be treated as if they do not contain interior mutability **Default Value:** `["bytes::Bytes"]` --- **Affected lints:** +* [`borrow_interior_mutable_const`](https://rust-lang.github.io/rust-clippy/master/index.html#borrow_interior_mutable_const) +* [`declare_interior_mutable_const`](https://rust-lang.github.io/rust-clippy/master/index.html#declare_interior_mutable_const) * [`ifs_same_cond`](https://rust-lang.github.io/rust-clippy/master/index.html#ifs_same_cond) * [`mutable_key_type`](https://rust-lang.github.io/rust-clippy/master/index.html#mutable_key_type) diff --git a/clippy_config/Cargo.toml b/clippy_config/Cargo.toml index 8ba2ab566256..7f7dc9d6cfb0 100644 --- a/clippy_config/Cargo.toml +++ b/clippy_config/Cargo.toml @@ -1,6 +1,6 @@ [package] name = "clippy_config" -version = "0.1.79" +version = "0.1.80" edition = "2021" # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html diff --git a/clippy_config/src/conf.rs b/clippy_config/src/conf.rs index 781282213cc4..5cfcbdb57d73 100644 --- a/clippy_config/src/conf.rs +++ b/clippy_config/src/conf.rs @@ -463,14 +463,17 @@ define_Conf! { /// /// Whether print macros (ex. `println!`) should be allowed in test functions or `#[cfg(test)]` (allow_print_in_tests: bool = false), + /// Lint: USELESS_VEC. + /// + /// Whether `useless_vec` should ignore test functions or `#[cfg(test)]` + (allow_useless_vec_in_tests: bool = false), /// Lint: RESULT_LARGE_ERR. /// /// The maximum size of the `Err`-variant in a `Result` returned from a function (large_error_threshold: u64 = 128), - /// Lint: MUTABLE_KEY_TYPE, IFS_SAME_COND. + /// Lint: MUTABLE_KEY_TYPE, IFS_SAME_COND, BORROW_INTERIOR_MUTABLE_CONST, DECLARE_INTERIOR_MUTABLE_CONST. /// - /// A list of paths to types that should be treated like `Arc`, i.e. ignored but - /// for the generic parameters for determining interior mutability + /// A list of paths to types that should be treated as if they do not contain interior mutability (ignore_interior_mutability: Vec = Vec::from(["bytes::Bytes".into()])), /// Lint: UNINLINED_FORMAT_ARGS. /// diff --git a/clippy_config/src/msrvs.rs b/clippy_config/src/msrvs.rs index 59dd5b334b84..14808440d48d 100644 --- a/clippy_config/src/msrvs.rs +++ b/clippy_config/src/msrvs.rs @@ -23,7 +23,7 @@ msrv_aliases! { 1,70,0 { OPTION_RESULT_IS_VARIANT_AND, BINARY_HEAP_RETAIN } 1,68,0 { PATH_MAIN_SEPARATOR_STR } 1,65,0 { LET_ELSE, POINTER_CAST_CONSTNESS } - 1,63,0 { ASSIGNING_CLONES } + 1,63,0 { CLONE_INTO } 1,62,0 { BOOL_THEN_SOME, DEFAULT_ENUM_ATTRIBUTE } 1,59,0 { THREAD_LOCAL_INITIALIZER_CAN_BE_MADE_CONST } 1,58,0 { FORMAT_ARGS_CAPTURE, PATTERN_TRAIT_CHAR_ARRAY } diff --git a/clippy_lints/Cargo.toml b/clippy_lints/Cargo.toml index 1d954607eee8..5e3a119337cc 100644 --- a/clippy_lints/Cargo.toml +++ b/clippy_lints/Cargo.toml @@ -1,6 +1,6 @@ [package] name = "clippy_lints" -version = "0.1.79" +version = "0.1.80" description = "A bunch of helpful lints to avoid common pitfalls in Rust" repository = "https://github.com/rust-lang/rust-clippy" readme = "README.md" diff --git a/clippy_lints/src/assigning_clones.rs b/clippy_lints/src/assigning_clones.rs index dc7f44af2b74..f0dafb1ae0d5 100644 --- a/clippy_lints/src/assigning_clones.rs +++ b/clippy_lints/src/assigning_clones.rs @@ -45,7 +45,7 @@ declare_clippy_lint! { /// a.clone_from(&b); /// } /// ``` - #[clippy::version = "1.77.0"] + #[clippy::version = "1.78.0"] pub ASSIGNING_CLONES, perf, "assigning the result of cloning may be inefficient" @@ -153,7 +153,7 @@ fn extract_call<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) -> Option< fn is_ok_to_suggest<'tcx>(cx: &LateContext<'tcx>, lhs: &Expr<'tcx>, call: &CallCandidate<'tcx>, msrv: &Msrv) -> bool { // For calls to .to_owned we suggest using .clone_into(), which was only stablilized in 1.63. // If the current MSRV is below that, don't suggest the lint. - if !msrv.meets(msrvs::ASSIGNING_CLONES) && matches!(call.target, TargetTrait::ToOwned) { + if !msrv.meets(msrvs::CLONE_INTO) && matches!(call.target, TargetTrait::ToOwned) { return false; } diff --git a/clippy_lints/src/box_default.rs b/clippy_lints/src/box_default.rs index 4062212f408e..8459f051d3d9 100644 --- a/clippy_lints/src/box_default.rs +++ b/clippy_lints/src/box_default.rs @@ -121,9 +121,9 @@ fn given_type(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { if let Some(index) = args.iter().position(|arg| arg.hir_id == expr.hir_id) && let Some(sig) = expr_sig(cx, path) && let Some(input) = sig.input(index) - && !cx.typeck_results().expr_ty_adjusted(expr).boxed_ty().is_trait() + && let Some(input_ty) = input.no_bound_vars() { - input.no_bound_vars().is_some() + input_ty == cx.typeck_results().expr_ty_adjusted(expr) } else { false } diff --git a/clippy_lints/src/cargo/mod.rs b/clippy_lints/src/cargo/mod.rs index ca7fa4e5a410..593bc6c81ee8 100644 --- a/clippy_lints/src/cargo/mod.rs +++ b/clippy_lints/src/cargo/mod.rs @@ -197,7 +197,7 @@ declare_clippy_lint! { /// pedantic = { level = "warn", priority = -1 } /// similar_names = "allow" /// ``` - #[clippy::version = "1.76.0"] + #[clippy::version = "1.78.0"] pub LINT_GROUPS_PRIORITY, correctness, "a lint group in `Cargo.toml` at the same priority as a lint" diff --git a/clippy_lints/src/casts/cast_possible_truncation.rs b/clippy_lints/src/casts/cast_possible_truncation.rs index dbfa8e1ee91b..7c5acd1a678d 100644 --- a/clippy_lints/src/casts/cast_possible_truncation.rs +++ b/clippy_lints/src/casts/cast_possible_truncation.rs @@ -40,9 +40,14 @@ fn apply_reductions(cx: &LateContext<'_>, nbits: u64, expr: &Expr<'_>, signed: b get_constant_bits(cx, right).map_or(0, |b| b.saturating_sub(1)) }) }, - BinOpKind::Rem | BinOpKind::BitAnd => get_constant_bits(cx, right) + BinOpKind::Rem => get_constant_bits(cx, right) .unwrap_or(u64::MAX) .min(apply_reductions(cx, nbits, left, signed)), + BinOpKind::BitAnd => get_constant_bits(cx, right) + .unwrap_or(u64::MAX) + .min(get_constant_bits(cx, left).unwrap_or(u64::MAX)) + .min(apply_reductions(cx, nbits, right, signed)) + .min(apply_reductions(cx, nbits, left, signed)), BinOpKind::Shr => apply_reductions(cx, nbits, left, signed) .saturating_sub(constant_int(cx, right).map_or(0, |s| u64::try_from(s).unwrap_or_default())), _ => nbits, diff --git a/clippy_lints/src/casts/mod.rs b/clippy_lints/src/casts/mod.rs index d14898a8196c..bd2c96f01f6f 100644 --- a/clippy_lints/src/casts/mod.rs +++ b/clippy_lints/src/casts/mod.rs @@ -708,7 +708,7 @@ declare_clippy_lint! { /// let a_ref = &1; /// let a_ptr = std::ptr::from_ref(a_ref); /// ``` - #[clippy::version = "1.77.0"] + #[clippy::version = "1.78.0"] pub REF_AS_PTR, pedantic, "using `as` to cast a reference to pointer" diff --git a/clippy_lints/src/collection_is_never_read.rs b/clippy_lints/src/collection_is_never_read.rs index 6942ca536404..70856b808810 100644 --- a/clippy_lints/src/collection_is_never_read.rs +++ b/clippy_lints/src/collection_is_never_read.rs @@ -1,9 +1,9 @@ use clippy_utils::diagnostics::span_lint; use clippy_utils::ty::{is_type_diagnostic_item, is_type_lang_item}; -use clippy_utils::visitors::for_each_expr_with_closures; +use clippy_utils::visitors::{for_each_expr_with_closures, Visitable}; use clippy_utils::{get_enclosing_block, path_to_local_id}; use core::ops::ControlFlow; -use rustc_hir::{Block, ExprKind, HirId, LangItem, LetStmt, Node, PatKind}; +use rustc_hir::{Body, ExprKind, HirId, LangItem, LetStmt, Node, PatKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_session::declare_lint_pass; use rustc_span::symbol::sym; @@ -77,7 +77,7 @@ fn match_acceptable_type(cx: &LateContext<'_>, local: &LetStmt<'_>, collections: || is_type_lang_item(cx, ty, LangItem::String) } -fn has_no_read_access<'tcx>(cx: &LateContext<'tcx>, id: HirId, block: &'tcx Block<'tcx>) -> bool { +fn has_no_read_access<'tcx, T: Visitable<'tcx>>(cx: &LateContext<'tcx>, id: HirId, block: T) -> bool { let mut has_access = false; let mut has_read_access = false; @@ -109,11 +109,30 @@ fn has_no_read_access<'tcx>(cx: &LateContext<'tcx>, id: HirId, block: &'tcx Bloc // traits (identified as local, based on the orphan rule), pessimistically assume that they might // have side effects, so consider them a read. if let Node::Expr(parent) = cx.tcx.parent_hir_node(expr.hir_id) - && let ExprKind::MethodCall(_, receiver, _, _) = parent.kind + && let ExprKind::MethodCall(_, receiver, args, _) = parent.kind && path_to_local_id(receiver, id) && let Some(method_def_id) = cx.typeck_results().type_dependent_def_id(parent.hir_id) && !method_def_id.is_local() { + // If this "official" method takes closures, + // it has read access if one of the closures has read access. + // + // items.retain(|item| send_item(item).is_ok()); + let is_read_in_closure_arg = args.iter().any(|arg| { + if let ExprKind::Closure(closure) = arg.kind + // To keep things simple, we only check the first param to see if its read. + && let Body { params: [param, ..], value } = cx.tcx.hir().body(closure.body) + { + !has_no_read_access(cx, param.hir_id, *value) + } else { + false + } + }); + if is_read_in_closure_arg { + has_read_access = true; + return ControlFlow::Break(()); + } + // The method call is a statement, so the return value is not used. That's not a read access: // // id.foo(args); diff --git a/clippy_lints/src/copies.rs b/clippy_lints/src/copies.rs index acdcb54be271..ccf1d9d6f8c0 100644 --- a/clippy_lints/src/copies.rs +++ b/clippy_lints/src/copies.rs @@ -1,15 +1,14 @@ use clippy_utils::diagnostics::{span_lint_and_note, span_lint_and_then}; use clippy_utils::source::{first_line_of_span, indent_of, reindent_multiline, snippet, snippet_opt}; -use clippy_utils::ty::{is_interior_mut_ty, needs_ordered_drop}; +use clippy_utils::ty::{needs_ordered_drop, InteriorMut}; use clippy_utils::visitors::for_each_expr; use clippy_utils::{ - capture_local_usage, def_path_def_ids, eq_expr_value, find_binding_init, get_enclosing_block, hash_expr, hash_stmt, - if_sequence, is_else_clause, is_lint_allowed, path_to_local, search_same, ContainsName, HirEqInterExpr, SpanlessEq, + capture_local_usage, eq_expr_value, find_binding_init, get_enclosing_block, hash_expr, hash_stmt, if_sequence, + is_else_clause, is_lint_allowed, path_to_local, search_same, ContainsName, HirEqInterExpr, SpanlessEq, }; use core::iter; use core::ops::ControlFlow; use rustc_errors::Applicability; -use rustc_hir::def_id::DefIdSet; use rustc_hir::{intravisit, BinOpKind, Block, Expr, ExprKind, HirId, HirIdSet, Stmt, StmtKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_session::impl_lint_pass; @@ -159,40 +158,36 @@ declare_clippy_lint! { "`if` statement with shared code in all blocks" } -pub struct CopyAndPaste { +pub struct CopyAndPaste<'tcx> { ignore_interior_mutability: Vec, - ignored_ty_ids: DefIdSet, + interior_mut: InteriorMut<'tcx>, } -impl CopyAndPaste { +impl CopyAndPaste<'_> { pub fn new(ignore_interior_mutability: Vec) -> Self { Self { ignore_interior_mutability, - ignored_ty_ids: DefIdSet::new(), + interior_mut: InteriorMut::default(), } } } -impl_lint_pass!(CopyAndPaste => [ +impl_lint_pass!(CopyAndPaste<'_> => [ IFS_SAME_COND, SAME_FUNCTIONS_IN_IF_CONDITION, IF_SAME_THEN_ELSE, BRANCHES_SHARING_CODE ]); -impl<'tcx> LateLintPass<'tcx> for CopyAndPaste { +impl<'tcx> LateLintPass<'tcx> for CopyAndPaste<'tcx> { fn check_crate(&mut self, cx: &LateContext<'tcx>) { - for ignored_ty in &self.ignore_interior_mutability { - let path: Vec<&str> = ignored_ty.split("::").collect(); - for id in def_path_def_ids(cx, path.as_slice()) { - self.ignored_ty_ids.insert(id); - } - } + self.interior_mut = InteriorMut::new(cx, &self.ignore_interior_mutability); } + fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { if !expr.span.from_expansion() && matches!(expr.kind, ExprKind::If(..)) && !is_else_clause(cx.tcx, expr) { let (conds, blocks) = if_sequence(expr); - lint_same_cond(cx, &conds, &self.ignored_ty_ids); + lint_same_cond(cx, &conds, &mut self.interior_mut); lint_same_fns_in_if_cond(cx, &conds); let all_same = !is_lint_allowed(cx, IF_SAME_THEN_ELSE, expr.hir_id) && lint_if_same_then_else(cx, &conds, &blocks); @@ -570,13 +565,14 @@ fn check_for_warn_of_moved_symbol(cx: &LateContext<'_>, symbols: &[(HirId, Symbo }) } -fn method_caller_is_mutable(cx: &LateContext<'_>, caller_expr: &Expr<'_>, ignored_ty_ids: &DefIdSet) -> bool { +fn method_caller_is_mutable<'tcx>( + cx: &LateContext<'tcx>, + caller_expr: &Expr<'_>, + interior_mut: &mut InteriorMut<'tcx>, +) -> bool { let caller_ty = cx.typeck_results().expr_ty(caller_expr); - // Check if given type has inner mutability and was not set to ignored by the configuration - let is_inner_mut_ty = is_interior_mut_ty(cx, caller_ty) - && !matches!(caller_ty.ty_adt_def(), Some(adt) if ignored_ty_ids.contains(&adt.did())); - is_inner_mut_ty + interior_mut.is_interior_mut_ty(cx, caller_ty) || caller_ty.is_mutable_ptr() // `find_binding_init` will return the binding iff its not mutable || path_to_local(caller_expr) @@ -585,7 +581,7 @@ fn method_caller_is_mutable(cx: &LateContext<'_>, caller_expr: &Expr<'_>, ignore } /// Implementation of `IFS_SAME_COND`. -fn lint_same_cond(cx: &LateContext<'_>, conds: &[&Expr<'_>], ignored_ty_ids: &DefIdSet) { +fn lint_same_cond<'tcx>(cx: &LateContext<'tcx>, conds: &[&Expr<'_>], interior_mut: &mut InteriorMut<'tcx>) { for (i, j) in search_same( conds, |e| hash_expr(cx, e), @@ -593,7 +589,7 @@ fn lint_same_cond(cx: &LateContext<'_>, conds: &[&Expr<'_>], ignored_ty_ids: &De // Ignore eq_expr side effects iff one of the expression kind is a method call // and the caller is not a mutable, including inner mutable type. if let ExprKind::MethodCall(_, caller, _, _) = lhs.kind { - if method_caller_is_mutable(cx, caller, ignored_ty_ids) { + if method_caller_is_mutable(cx, caller, interior_mut) { false } else { SpanlessEq::new(cx).eq_expr(lhs, rhs) diff --git a/clippy_lints/src/dbg_macro.rs b/clippy_lints/src/dbg_macro.rs index e22967674319..db5937266047 100644 --- a/clippy_lints/src/dbg_macro.rs +++ b/clippy_lints/src/dbg_macro.rs @@ -1,10 +1,10 @@ use clippy_utils::diagnostics::span_lint_and_sugg; +use clippy_utils::is_in_test; use clippy_utils::macros::{macro_backtrace, MacroCall}; use clippy_utils::source::snippet_with_applicability; -use clippy_utils::{is_in_cfg_test, is_in_test_function}; use rustc_data_structures::fx::FxHashSet; use rustc_errors::Applicability; -use rustc_hir::{Expr, ExprKind, HirId, Node}; +use rustc_hir::{Expr, ExprKind, Node}; use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_middle::lint::in_external_macro; use rustc_session::impl_lint_pass; @@ -63,7 +63,7 @@ impl LateLintPass<'_> for DbgMacro { !in_external_macro(cx.sess(), macro_call.span) && self.checked_dbg_call_site.insert(macro_call.span) && // allows `dbg!` in test code if allow-dbg-in-test is set to true in clippy.toml - !(self.allow_dbg_in_tests && is_in_test(cx, expr.hir_id)) + !(self.allow_dbg_in_tests && is_in_test(cx.tcx, expr.hir_id)) { let mut applicability = Applicability::MachineApplicable; @@ -129,10 +129,6 @@ impl LateLintPass<'_> for DbgMacro { } } -fn is_in_test(cx: &LateContext<'_>, hir_id: HirId) -> bool { - is_in_test_function(cx.tcx, hir_id) || is_in_cfg_test(cx.tcx, hir_id) -} - fn first_dbg_macro_in_expansion(cx: &LateContext<'_>, span: Span) -> Option { macro_backtrace(span).find(|mc| cx.tcx.is_diagnostic_item(sym::dbg_macro, mc.def_id)) } diff --git a/clippy_lints/src/dereference.rs b/clippy_lints/src/dereference.rs index 89e2b3449680..b936b28470b5 100644 --- a/clippy_lints/src/dereference.rs +++ b/clippy_lints/src/dereference.rs @@ -9,8 +9,8 @@ use rustc_data_structures::fx::FxIndexMap; use rustc_errors::Applicability; use rustc_hir::intravisit::{walk_ty, Visitor}; use rustc_hir::{ - self as hir, BindingMode, Body, BodyId, BorrowKind, Expr, ExprKind, HirId, MatchSource, Mutability, Node, - Pat, PatKind, Path, QPath, TyKind, UnOp, + self as hir, BindingMode, Body, BodyId, BorrowKind, Expr, ExprKind, HirId, MatchSource, Mutability, Node, Pat, + PatKind, Path, QPath, TyKind, UnOp, }; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty::adjustment::{Adjust, Adjustment, AutoBorrow, AutoBorrowMutability}; diff --git a/clippy_lints/src/format_args.rs b/clippy_lints/src/format_args.rs index 80db617c639a..003a9995c15f 100644 --- a/clippy_lints/src/format_args.rs +++ b/clippy_lints/src/format_args.rs @@ -4,7 +4,7 @@ use clippy_utils::diagnostics::{span_lint_and_sugg, span_lint_and_then}; use clippy_utils::is_diag_trait_item; use clippy_utils::macros::{ find_format_arg_expr, find_format_args, format_arg_removal_span, format_placeholder_format_span, is_assert_macro, - is_format_macro, is_panic, root_macro_call, root_macro_call_first_node, FormatParamUsage, MacroCall, + is_format_macro, is_panic, matching_root_macro_call, root_macro_call_first_node, FormatParamUsage, MacroCall, }; use clippy_utils::source::snippet_opt; use clippy_utils::ty::{implements_trait, is_type_lang_item}; @@ -271,9 +271,7 @@ impl<'a, 'tcx> FormatArgsExpr<'a, 'tcx> { let mut suggest_format = |spec| { let message = format!("for the {spec} to apply consider using `format!()`"); - if let Some(mac_call) = root_macro_call(arg_span) - && self.cx.tcx.is_diagnostic_item(sym::format_args_macro, mac_call.def_id) - { + if let Some(mac_call) = matching_root_macro_call(self.cx, arg_span, sym::format_args_macro) { diag.span_suggestion( self.cx.sess().source_map().span_until_char(mac_call.span, '!'), message, diff --git a/clippy_lints/src/implied_bounds_in_impls.rs b/clippy_lints/src/implied_bounds_in_impls.rs index 7b97fc15caaf..3bf8d6189558 100644 --- a/clippy_lints/src/implied_bounds_in_impls.rs +++ b/clippy_lints/src/implied_bounds_in_impls.rs @@ -24,7 +24,7 @@ declare_clippy_lint! { /// /// ### Limitations /// This lint does not check for implied bounds transitively. Meaning that - /// it does't check for implied bounds from supertraits of supertraits + /// it doesn't check for implied bounds from supertraits of supertraits /// (e.g. `trait A {} trait B: A {} trait C: B {}`, then having an `fn() -> impl A + C`) /// /// ### Example diff --git a/clippy_lints/src/index_refutable_slice.rs b/clippy_lints/src/index_refutable_slice.rs index a4c3b06046e8..128461ce7bcf 100644 --- a/clippy_lints/src/index_refutable_slice.rs +++ b/clippy_lints/src/index_refutable_slice.rs @@ -93,12 +93,9 @@ fn find_slice_values(cx: &LateContext<'_>, pat: &hir::Pat<'_>) -> FxIndexMap = FxIndexMap::default(); pat.walk_always(|pat| { // We'll just ignore mut and ref mut for simplicity sake right now - if let hir::PatKind::Binding( - hir::BindingMode(by_ref, hir::Mutability::Not), - value_hir_id, - ident, - sub_pat, - ) = pat.kind && by_ref != hir::ByRef::Yes(hir::Mutability::Mut) + if let hir::PatKind::Binding(hir::BindingMode(by_ref, hir::Mutability::Not), value_hir_id, ident, sub_pat) = + pat.kind + && by_ref != hir::ByRef::Yes(hir::Mutability::Mut) { // This block catches bindings with sub patterns. It would be hard to build a correct suggestion // for them and it's likely that the user knows what they are doing in such a case. diff --git a/clippy_lints/src/large_stack_arrays.rs b/clippy_lints/src/large_stack_arrays.rs index afcb67459476..208d1bb6e68a 100644 --- a/clippy_lints/src/large_stack_arrays.rs +++ b/clippy_lints/src/large_stack_arrays.rs @@ -1,10 +1,13 @@ -use clippy_utils::diagnostics::span_lint_and_help; +use clippy_utils::diagnostics::span_lint_and_then; +use clippy_utils::is_from_proc_macro; +use clippy_utils::macros::macro_backtrace; use clippy_utils::source::snippet; -use rustc_hir::{Expr, ExprKind, Item, ItemKind, Node}; +use rustc_hir::{ArrayLen, Expr, ExprKind, Item, ItemKind, Node}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty::layout::LayoutOf; use rustc_middle::ty::{self, ConstKind}; use rustc_session::impl_lint_pass; +use rustc_span::{sym, Span}; declare_clippy_lint! { /// ### What it does @@ -25,20 +28,41 @@ declare_clippy_lint! { pub struct LargeStackArrays { maximum_allowed_size: u128, + prev_vec_macro_callsite: Option, } impl LargeStackArrays { #[must_use] pub fn new(maximum_allowed_size: u128) -> Self { - Self { maximum_allowed_size } + Self { + maximum_allowed_size, + prev_vec_macro_callsite: None, + } + } + + /// Check if the given span of an expr is already in a `vec!` call. + fn is_from_vec_macro(&mut self, cx: &LateContext<'_>, span: Span) -> bool { + // First, we check if this is span is within the last encountered `vec!` macro's root callsite. + self.prev_vec_macro_callsite + .is_some_and(|vec_mac| vec_mac.contains(span)) + || { + // Then, we try backtracking the macro expansions, to see if there's a `vec!` macro, + // and update the `prev_vec_macro_callsite`. + let res = macro_backtrace(span).any(|mac| cx.tcx.is_diagnostic_item(sym::vec_macro, mac.def_id)); + if res { + self.prev_vec_macro_callsite = Some(span.source_callsite()); + } + res + } } } impl_lint_pass!(LargeStackArrays => [LARGE_STACK_ARRAYS]); impl<'tcx> LateLintPass<'tcx> for LargeStackArrays { - fn check_expr(&mut self, cx: &LateContext<'_>, expr: &Expr<'_>) { + fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &Expr<'tcx>) { if let ExprKind::Repeat(_, _) | ExprKind::Array(_) = expr.kind + && !self.is_from_vec_macro(cx, expr.span) && let ty::Array(element_type, cst) = cx.typeck_results().expr_ty(expr).kind() && let ConstKind::Value(ty::ValTree::Leaf(element_count)) = cst.kind() && let Ok(element_count) = element_count.try_to_target_usize(cx.tcx) @@ -54,7 +78,7 @@ impl<'tcx> LateLintPass<'tcx> for LargeStackArrays { }) && self.maximum_allowed_size < u128::from(element_count) * u128::from(element_size) { - span_lint_and_help( + span_lint_and_then( cx, LARGE_STACK_ARRAYS, expr.span, @@ -62,12 +86,33 @@ impl<'tcx> LateLintPass<'tcx> for LargeStackArrays { "allocating a local array larger than {} bytes", self.maximum_allowed_size ), - None, - format!( - "consider allocating on the heap with `vec!{}.into_boxed_slice()`", - snippet(cx, expr.span, "[...]") - ), + |diag| { + if !might_be_expanded(cx, expr) { + diag.help(format!( + "consider allocating on the heap with `vec!{}.into_boxed_slice()`", + snippet(cx, expr.span, "[...]") + )); + } + }, ); } } } + +/// Only giving help messages if the expr does not contains macro expanded codes. +fn might_be_expanded<'tcx>(cx: &LateContext<'tcx>, expr: &Expr<'tcx>) -> bool { + /// Check if the span of `ArrayLen` of a repeat expression is within the expr's span, + /// if not, meaning this repeat expr is definitely from some proc-macro. + /// + /// This is a fail-safe to a case where even the `is_from_proc_macro` is unable to determain the + /// correct result. + fn repeat_expr_might_be_expanded<'tcx>(cx: &LateContext<'tcx>, expr: &Expr<'tcx>) -> bool { + let ExprKind::Repeat(_, ArrayLen::Body(anon_const)) = expr.kind else { + return false; + }; + let len_span = cx.tcx.def_span(anon_const.def_id); + !expr.span.contains(len_span) + } + + expr.span.from_expansion() || is_from_proc_macro(cx, expr) || repeat_expr_might_be_expanded(cx, expr) +} diff --git a/clippy_lints/src/lib.rs b/clippy_lints/src/lib.rs index e2aac58bf979..2c44c3881aa7 100644 --- a/clippy_lints/src/lib.rs +++ b/clippy_lints/src/lib.rs @@ -535,6 +535,7 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { allow_print_in_tests, allow_private_module_inception, allow_unwrap_in_tests, + allow_useless_vec_in_tests, ref allowed_dotfiles, ref allowed_idents_below_min_chars, ref allowed_scripts, @@ -754,6 +755,7 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { too_large_for_stack, msrv: msrv(), span_to_lint_map: BTreeMap::new(), + allow_in_test: allow_useless_vec_in_tests, }) }); store.register_late_pass(|_| Box::new(panic_unimplemented::PanicUnimplemented)); diff --git a/clippy_lints/src/loops/unused_enumerate_index.rs b/clippy_lints/src/loops/unused_enumerate_index.rs index 31f0f1cfeba3..40ccfec02be5 100644 --- a/clippy_lints/src/loops/unused_enumerate_index.rs +++ b/clippy_lints/src/loops/unused_enumerate_index.rs @@ -1,11 +1,12 @@ use super::UNUSED_ENUMERATE_INDEX; use clippy_utils::diagnostics::{multispan_sugg, span_lint_and_then}; use clippy_utils::source::snippet; -use clippy_utils::{match_def_path, pat_is_wild, sugg}; +use clippy_utils::{pat_is_wild, sugg}; use rustc_hir::def::DefKind; use rustc_hir::{Expr, ExprKind, Pat, PatKind}; use rustc_lint::LateContext; use rustc_middle::ty; +use rustc_span::sym; /// Checks for the `UNUSED_ENUMERATE_INDEX` lint. /// @@ -16,9 +17,9 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, pat: &Pat<'tcx>, arg: &Expr<'_ && let ty = cx.typeck_results().expr_ty(arg) && pat_is_wild(cx, &index.kind, body) && let ty::Adt(base, _) = *ty.kind() - && match_def_path(cx, base.did(), &clippy_utils::paths::CORE_ITER_ENUMERATE_STRUCT) + && cx.tcx.is_diagnostic_item(sym::Enumerate, base.did()) && let Some((DefKind::AssocFn, call_id)) = cx.typeck_results().type_dependent_def(arg.hir_id) - && match_def_path(cx, call_id, &clippy_utils::paths::CORE_ITER_ENUMERATE_METHOD) + && cx.tcx.is_diagnostic_item(sym::enumerate_method, call_id) { span_lint_and_then( cx, diff --git a/clippy_lints/src/manual_assert.rs b/clippy_lints/src/manual_assert.rs index 76edbe8b755b..d76b94eba23e 100644 --- a/clippy_lints/src/manual_assert.rs +++ b/clippy_lints/src/manual_assert.rs @@ -1,12 +1,11 @@ use crate::rustc_lint::LintContext; use clippy_utils::diagnostics::span_lint_and_then; -use clippy_utils::macros::root_macro_call; +use clippy_utils::macros::{is_panic, root_macro_call}; use clippy_utils::{is_else_clause, is_parent_stmt, peel_blocks_with_stmt, span_extract_comment, sugg}; use rustc_errors::Applicability; use rustc_hir::{Expr, ExprKind, UnOp}; use rustc_lint::{LateContext, LateLintPass}; use rustc_session::declare_lint_pass; -use rustc_span::sym; declare_clippy_lint! { /// ### What it does @@ -42,7 +41,7 @@ impl<'tcx> LateLintPass<'tcx> for ManualAssert { && !expr.span.from_expansion() && let then = peel_blocks_with_stmt(then) && let Some(macro_call) = root_macro_call(then.span) - && cx.tcx.item_name(macro_call.def_id) == sym::panic + && is_panic(cx, macro_call.def_id) && !cx.tcx.sess.source_map().is_multiline(cond.span) && let Ok(panic_snippet) = cx.sess().source_map().span_to_snippet(macro_call.span) && let Some(panic_snippet) = panic_snippet.strip_suffix(')') diff --git a/clippy_lints/src/manual_is_ascii_check.rs b/clippy_lints/src/manual_is_ascii_check.rs index 338a299740a8..6f6ba1852a68 100644 --- a/clippy_lints/src/manual_is_ascii_check.rs +++ b/clippy_lints/src/manual_is_ascii_check.rs @@ -1,15 +1,15 @@ use clippy_config::msrvs::{self, Msrv}; -use clippy_utils::diagnostics::span_lint_and_sugg; -use clippy_utils::macros::root_macro_call; +use clippy_utils::diagnostics::span_lint_and_then; +use clippy_utils::macros::matching_root_macro_call; use clippy_utils::sugg::Sugg; -use clippy_utils::{higher, in_constant}; +use clippy_utils::{higher, in_constant, path_to_local, peel_ref_operators}; use rustc_ast::ast::RangeLimits; use rustc_ast::LitKind::{Byte, Char}; use rustc_errors::Applicability; -use rustc_hir::{BorrowKind, Expr, ExprKind, PatKind, RangeEnd}; +use rustc_hir::{Expr, ExprKind, Node, Param, PatKind, RangeEnd}; use rustc_lint::{LateContext, LateLintPass}; +use rustc_middle::ty; use rustc_session::impl_lint_pass; -use rustc_span::def_id::DefId; use rustc_span::{sym, Span}; declare_clippy_lint! { @@ -97,12 +97,10 @@ impl<'tcx> LateLintPass<'tcx> for ManualIsAsciiCheck { return; } - if let Some(macro_call) = root_macro_call(expr.span) - && is_matches_macro(cx, macro_call.def_id) - { + if let Some(macro_call) = matching_root_macro_call(cx, expr.span, sym::matches_macro) { if let ExprKind::Match(recv, [arm, ..], _) = expr.kind { let range = check_pat(&arm.pat.kind); - check_is_ascii(cx, macro_call.span, recv, &range); + check_is_ascii(cx, macro_call.span, recv, &range, None); } } else if let ExprKind::MethodCall(path, receiver, [arg], ..) = expr.kind && path.ident.name == sym!(contains) @@ -111,42 +109,67 @@ impl<'tcx> LateLintPass<'tcx> for ManualIsAsciiCheck { end: Some(end), limits: RangeLimits::Closed, }) = higher::Range::hir(receiver) + && !matches!(cx.typeck_results().expr_ty(arg).peel_refs().kind(), ty::Param(_)) { + let arg = peel_ref_operators(cx, arg); + let ty_sugg = get_ty_sugg(cx, arg, start); let range = check_range(start, end); - if let ExprKind::AddrOf(BorrowKind::Ref, _, e) = arg.kind { - check_is_ascii(cx, expr.span, e, &range); - } else { - check_is_ascii(cx, expr.span, arg, &range); - } + check_is_ascii(cx, expr.span, arg, &range, ty_sugg); } } extract_msrv_attr!(LateContext); } -fn check_is_ascii(cx: &LateContext<'_>, span: Span, recv: &Expr<'_>, range: &CharRange) { - if let Some(sugg) = match range { - CharRange::UpperChar => Some("is_ascii_uppercase"), - CharRange::LowerChar => Some("is_ascii_lowercase"), - CharRange::FullChar => Some("is_ascii_alphabetic"), - CharRange::Digit => Some("is_ascii_digit"), - CharRange::HexDigit => Some("is_ascii_hexdigit"), - CharRange::Otherwise | CharRange::LowerHexLetter | CharRange::UpperHexLetter => None, - } { - let default_snip = ".."; - let mut app = Applicability::MachineApplicable; - let recv = Sugg::hir_with_context(cx, recv, span.ctxt(), default_snip, &mut app).maybe_par(); - - span_lint_and_sugg( - cx, - MANUAL_IS_ASCII_CHECK, - span, - "manual check for common ascii range", - "try", - format!("{recv}.{sugg}()"), - app, - ); +fn get_ty_sugg(cx: &LateContext<'_>, arg: &Expr<'_>, bound_expr: &Expr<'_>) -> Option<(Span, &'static str)> { + if let ExprKind::Lit(lit) = bound_expr.kind + && let local_hid = path_to_local(arg)? + && let Node::Param(Param { ty_span, span, .. }) = cx.tcx.parent_hir_node(local_hid) + // `ty_span` and `span` are the same for inferred type, thus a type suggestion must be given + && ty_span == span + { + let ty_str = match lit.node { + Char(_) => "char", + Byte(_) => "u8", + _ => return None, + }; + return Some((*ty_span, ty_str)); } + None +} + +fn check_is_ascii( + cx: &LateContext<'_>, + span: Span, + recv: &Expr<'_>, + range: &CharRange, + ty_sugg: Option<(Span, &'_ str)>, +) { + let sugg = match range { + CharRange::UpperChar => "is_ascii_uppercase", + CharRange::LowerChar => "is_ascii_lowercase", + CharRange::FullChar => "is_ascii_alphabetic", + CharRange::Digit => "is_ascii_digit", + CharRange::HexDigit => "is_ascii_hexdigit", + CharRange::Otherwise | CharRange::LowerHexLetter | CharRange::UpperHexLetter => return, + }; + let default_snip = ".."; + let mut app = Applicability::MachineApplicable; + let recv = Sugg::hir_with_context(cx, recv, span.ctxt(), default_snip, &mut app).maybe_par(); + let mut suggestion = vec![(span, format!("{recv}.{sugg}()"))]; + if let Some((ty_span, ty_str)) = ty_sugg { + suggestion.push((ty_span, format!("{recv}: {ty_str}"))); + } + + span_lint_and_then( + cx, + MANUAL_IS_ASCII_CHECK, + span, + "manual check for common ascii range", + |diag| { + diag.multipart_suggestion("try", suggestion, app); + }, + ); } fn check_pat(pat_kind: &PatKind<'_>) -> CharRange { @@ -187,11 +210,3 @@ fn check_range(start: &Expr<'_>, end: &Expr<'_>) -> CharRange { CharRange::Otherwise } } - -fn is_matches_macro(cx: &LateContext<'_>, macro_def_id: DefId) -> bool { - if let Some(name) = cx.tcx.get_diagnostic_name(macro_def_id) { - return sym::matches_macro == name; - } - - false -} diff --git a/clippy_lints/src/matches/collapsible_match.rs b/clippy_lints/src/matches/collapsible_match.rs index 6746920edc51..90cfdecc1993 100644 --- a/clippy_lints/src/matches/collapsible_match.rs +++ b/clippy_lints/src/matches/collapsible_match.rs @@ -1,3 +1,4 @@ +use clippy_config::msrvs::Msrv; use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::higher::IfLetOrMatch; use clippy_utils::source::snippet; @@ -11,12 +12,12 @@ use rustc_hir::{Arm, Expr, HirId, Pat, PatKind}; use rustc_lint::LateContext; use rustc_span::Span; -use super::COLLAPSIBLE_MATCH; +use super::{pat_contains_disallowed_or, COLLAPSIBLE_MATCH}; -pub(super) fn check_match<'tcx>(cx: &LateContext<'tcx>, arms: &'tcx [Arm<'_>]) { +pub(super) fn check_match<'tcx>(cx: &LateContext<'tcx>, arms: &'tcx [Arm<'_>], msrv: &Msrv) { if let Some(els_arm) = arms.iter().rfind(|arm| arm_is_wild_like(cx, arm)) { for arm in arms { - check_arm(cx, true, arm.pat, arm.body, arm.guard, Some(els_arm.body)); + check_arm(cx, true, arm.pat, arm.body, arm.guard, Some(els_arm.body), msrv); } } } @@ -26,8 +27,9 @@ pub(super) fn check_if_let<'tcx>( pat: &'tcx Pat<'_>, body: &'tcx Expr<'_>, else_expr: Option<&'tcx Expr<'_>>, + msrv: &Msrv, ) { - check_arm(cx, false, pat, body, None, else_expr); + check_arm(cx, false, pat, body, None, else_expr, msrv); } fn check_arm<'tcx>( @@ -37,6 +39,7 @@ fn check_arm<'tcx>( outer_then_body: &'tcx Expr<'tcx>, outer_guard: Option<&'tcx Expr<'tcx>>, outer_else_body: Option<&'tcx Expr<'tcx>>, + msrv: &Msrv, ) { let inner_expr = peel_blocks_with_stmt(outer_then_body); if let Some(inner) = IfLetOrMatch::parse(cx, inner_expr) @@ -57,7 +60,7 @@ fn check_arm<'tcx>( // match expression must be a local binding // match { .. } && let Some(binding_id) = path_to_local(peel_ref_operators(cx, inner_scrutinee)) - && !pat_contains_or(inner_then_pat) + && !pat_contains_disallowed_or(inner_then_pat, msrv) // the binding must come from the pattern of the containing match arm // .... => match { .. } && let (Some(binding_span), is_innermost_parent_pat_struct) @@ -142,13 +145,3 @@ fn find_pat_binding_and_is_innermost_parent_pat_struct(pat: &Pat<'_>, hir_id: Hi }); (span, is_innermost_parent_pat_struct) } - -fn pat_contains_or(pat: &Pat<'_>) -> bool { - let mut result = false; - pat.walk(|p| { - let is_or = matches!(p.kind, PatKind::Or(_)); - result |= is_or; - !is_or - }); - result -} diff --git a/clippy_lints/src/matches/mod.rs b/clippy_lints/src/matches/mod.rs index fae2c4e4af92..ee9f48d71ad8 100644 --- a/clippy_lints/src/matches/mod.rs +++ b/clippy_lints/src/matches/mod.rs @@ -27,7 +27,7 @@ mod wild_in_or_pats; use clippy_config::msrvs::{self, Msrv}; use clippy_utils::source::walk_span_to_context; use clippy_utils::{higher, in_constant, is_direct_expn_of, is_span_match, span_contains_cfg}; -use rustc_hir::{Arm, Expr, ExprKind, LetStmt, MatchSource, Pat}; +use rustc_hir::{Arm, Expr, ExprKind, LetStmt, MatchSource, Pat, PatKind}; use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_middle::lint::in_external_macro; use rustc_session::impl_lint_pass; @@ -1040,7 +1040,7 @@ impl<'tcx> LateLintPass<'tcx> for Matches { significant_drop_in_scrutinee::check(cx, expr, ex, arms, source); } - collapsible_match::check_match(cx, arms); + collapsible_match::check_match(cx, arms, &self.msrv); if !from_expansion { // These don't depend on a relationship between multiple arms match_wild_err_arm::check(cx, ex, arms); @@ -1066,7 +1066,7 @@ impl<'tcx> LateLintPass<'tcx> for Matches { needless_match::check_match(cx, ex, arms, expr); match_on_vec_items::check(cx, ex); match_str_case_mismatch::check(cx, ex, arms); - redundant_guards::check(cx, arms); + redundant_guards::check(cx, arms, &self.msrv); if !in_constant(cx, expr.hir_id) { manual_unwrap_or::check(cx, expr, ex, arms); @@ -1083,7 +1083,7 @@ impl<'tcx> LateLintPass<'tcx> for Matches { match_ref_pats::check(cx, ex, arms.iter().map(|el| el.pat), expr); } } else if let Some(if_let) = higher::IfLet::hir(cx, expr) { - collapsible_match::check_if_let(cx, if_let.let_pat, if_let.if_then, if_let.if_else); + collapsible_match::check_if_let(cx, if_let.let_pat, if_let.if_then, if_let.if_else, &self.msrv); if !from_expansion { if let Some(else_expr) = if_let.if_else { if self.msrv.meets(msrvs::MATCHES_MACRO) { @@ -1195,3 +1195,18 @@ fn contains_cfg_arm(cx: &LateContext<'_>, e: &Expr<'_>, scrutinee: &Expr<'_>, ar Err(()) => true, } } + +/// Checks if `pat` contains OR patterns that cannot be nested due to a too low MSRV. +fn pat_contains_disallowed_or(pat: &Pat<'_>, msrv: &Msrv) -> bool { + if msrv.meets(msrvs::OR_PATTERNS) { + return false; + } + + let mut result = false; + pat.walk(|p| { + let is_or = matches!(p.kind, PatKind::Or(_)); + result |= is_or; + !is_or + }); + result +} diff --git a/clippy_lints/src/matches/redundant_guards.rs b/clippy_lints/src/matches/redundant_guards.rs index 50cbccc39683..a75cf37945f7 100644 --- a/clippy_lints/src/matches/redundant_guards.rs +++ b/clippy_lints/src/matches/redundant_guards.rs @@ -1,40 +1,32 @@ +use clippy_config::msrvs::Msrv; use clippy_utils::diagnostics::span_lint_and_then; +use clippy_utils::macros::matching_root_macro_call; use clippy_utils::source::snippet; use clippy_utils::visitors::{for_each_expr, is_local_used}; use clippy_utils::{in_constant, path_to_local}; use rustc_ast::{BorrowKind, LitKind}; use rustc_errors::Applicability; use rustc_hir::def::{DefKind, Res}; -use rustc_hir::{Arm, BinOpKind, Expr, ExprKind, MatchSource, Node, Pat, PatKind, UnOp}; +use rustc_hir::{Arm, BinOpKind, Expr, ExprKind, MatchSource, Node, PatKind, UnOp}; use rustc_lint::LateContext; use rustc_span::symbol::Ident; -use rustc_span::{Span, Symbol}; +use rustc_span::{sym, Span, Symbol}; use std::borrow::Cow; use std::ops::ControlFlow; -use super::REDUNDANT_GUARDS; +use super::{pat_contains_disallowed_or, REDUNDANT_GUARDS}; -pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, arms: &'tcx [Arm<'tcx>]) { +pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, arms: &'tcx [Arm<'tcx>], msrv: &Msrv) { for outer_arm in arms { let Some(guard) = outer_arm.guard else { continue; }; // `Some(x) if matches!(x, y)` - if let ExprKind::Match( - scrutinee, - [ - arm, - Arm { - pat: Pat { - kind: PatKind::Wild, .. - }, - .. - }, - ], - MatchSource::Normal, - ) = guard.kind + if let ExprKind::Match(scrutinee, [arm, _], MatchSource::Normal) = guard.kind + && matching_root_macro_call(cx, guard.span, sym::matches_macro).is_some() && let Some(binding) = get_pat_binding(cx, scrutinee, outer_arm) + && !pat_contains_disallowed_or(arm.pat, msrv) { let pat_span = match (arm.pat.kind, binding.byref_ident) { (PatKind::Ref(pat, _), Some(_)) => pat.span, @@ -53,6 +45,7 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, arms: &'tcx [Arm<'tcx>]) { // `Some(x) if let Some(2) = x` else if let ExprKind::Let(let_expr) = guard.kind && let Some(binding) = get_pat_binding(cx, let_expr.init, outer_arm) + && !pat_contains_disallowed_or(let_expr.pat, msrv) { let pat_span = match (let_expr.pat.kind, binding.byref_ident) { (PatKind::Ref(pat, _), Some(_)) => pat.span, diff --git a/clippy_lints/src/matches/single_match.rs b/clippy_lints/src/matches/single_match.rs index 37f72528140f..69791414f72c 100644 --- a/clippy_lints/src/matches/single_match.rs +++ b/clippy_lints/src/matches/single_match.rs @@ -75,7 +75,7 @@ fn report_single_pattern( ) { let lint = if els.is_some() { SINGLE_MATCH_ELSE } else { SINGLE_MATCH }; let ctxt = expr.span.ctxt(); - let mut app = Applicability::HasPlaceholders; + let mut app = Applicability::MachineApplicable; let els_str = els.map_or(String::new(), |els| { format!(" else {}", expr_block(cx, els, ctxt, "..", Some(expr.span), &mut app)) }); diff --git a/clippy_lints/src/methods/filter_map.rs b/clippy_lints/src/methods/filter_map.rs index 581e3b308c3c..02a11257007a 100644 --- a/clippy_lints/src/methods/filter_map.rs +++ b/clippy_lints/src/methods/filter_map.rs @@ -1,5 +1,5 @@ use clippy_utils::diagnostics::{span_lint_and_sugg, span_lint_and_then}; -use clippy_utils::macros::{is_panic, root_macro_call}; +use clippy_utils::macros::{is_panic, matching_root_macro_call, root_macro_call}; use clippy_utils::source::{indent_of, reindent_multiline, snippet}; use clippy_utils::ty::is_type_diagnostic_item; use clippy_utils::{higher, is_trait_method, path_to_local_id, peel_blocks, SpanlessEq}; @@ -247,8 +247,7 @@ impl<'tcx> OffendingFilterExpr<'tcx> { } else { None } - } else if let Some(macro_call) = root_macro_call(expr.span) - && cx.tcx.get_diagnostic_name(macro_call.def_id) == Some(sym::matches_macro) + } else if matching_root_macro_call(cx, expr.span, sym::matches_macro).is_some() // we know for a fact that the wildcard pattern is the second arm && let ExprKind::Match(scrutinee, [arm, _], _) = expr.kind && path_to_local_id(scrutinee, filter_param_id) diff --git a/clippy_lints/src/methods/iter_overeager_cloned.rs b/clippy_lints/src/methods/iter_overeager_cloned.rs index 6d70989546a2..03b4680c5224 100644 --- a/clippy_lints/src/methods/iter_overeager_cloned.rs +++ b/clippy_lints/src/methods/iter_overeager_cloned.rs @@ -89,8 +89,7 @@ pub(super) fn check<'tcx>( } match it.kind { - PatKind::Binding(BindingMode(_, Mutability::Mut), _, _, _) - | PatKind::Ref(_, Mutability::Mut) => { + PatKind::Binding(BindingMode(_, Mutability::Mut), _, _, _) | PatKind::Ref(_, Mutability::Mut) => { to_be_discarded = true; false }, diff --git a/clippy_lints/src/methods/mod.rs b/clippy_lints/src/methods/mod.rs index 0939c0285642..63545d6c5035 100644 --- a/clippy_lints/src/methods/mod.rs +++ b/clippy_lints/src/methods/mod.rs @@ -1145,11 +1145,16 @@ declare_clippy_lint! { /// `str` as an argument, e.g., `_.split("x")`. /// /// ### Why is this bad? - /// Performing these methods using a `char` is faster than - /// using a `str`. + /// While this can make a perf difference on some systems, + /// benchmarks have proven inconclusive. But at least using a + /// char literal makes it clear that we are looking at a single + /// character. /// /// ### Known problems - /// Does not catch multi-byte unicode characters. + /// Does not catch multi-byte unicode characters. This is by + /// design, on many machines, splitting by a non-ascii char is + /// actually slower. Please do your own measurements instead of + /// relying solely on the results of this lint. /// /// ### Example /// ```rust,ignore @@ -1162,7 +1167,7 @@ declare_clippy_lint! { /// ``` #[clippy::version = "pre 1.29.0"] pub SINGLE_CHAR_PATTERN, - perf, + pedantic, "using a single-character str where a char could be used, e.g., `_.split(\"x\")`" } @@ -3988,7 +3993,7 @@ declare_clippy_lint! { /// let x: Result = Ok(0); /// let y = x.unwrap_or_else(|err| handle_error(err)); /// ``` - #[clippy::version = "1.77.0"] + #[clippy::version = "1.78.0"] pub UNNECESSARY_RESULT_MAP_OR_ELSE, suspicious, "making no use of the \"map closure\" when calling `.map_or_else(|err| handle_error(err), |n| n)`" @@ -4022,7 +4027,7 @@ declare_clippy_lint! { /// needs_cstr(c"Hello"); /// unsafe { libc::puts(c"World".as_ptr()) } /// ``` - #[clippy::version = "1.76.0"] + #[clippy::version = "1.78.0"] pub MANUAL_C_STR_LITERALS, pedantic, r#"creating a `CStr` through functions when `c""` literals can be used"# diff --git a/clippy_lints/src/methods/readonly_write_lock.rs b/clippy_lints/src/methods/readonly_write_lock.rs index 9b0180d93699..774aaec1afda 100644 --- a/clippy_lints/src/methods/readonly_write_lock.rs +++ b/clippy_lints/src/methods/readonly_write_lock.rs @@ -4,7 +4,7 @@ use clippy_utils::mir::{enclosing_mir, visit_local_usage}; use clippy_utils::source::snippet; use clippy_utils::ty::is_type_diagnostic_item; use rustc_errors::Applicability; -use rustc_hir::{Expr, ExprKind, Node}; +use rustc_hir::{Expr, ExprKind, Node, PatKind}; use rustc_lint::LateContext; use rustc_middle::mir::{Location, START_BLOCK}; use rustc_span::sym; @@ -25,6 +25,11 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>, receiver && is_unwrap_call(cx, unwrap_call_expr) && let parent = cx.tcx.parent_hir_node(unwrap_call_expr.hir_id) && let Node::LetStmt(local) = parent + && let PatKind::Binding(.., ident, _) = local.pat.kind + // if the binding is prefixed with `_`, it typically means + // that this guard only exists to protect a section of code + // rather than the contained data + && !ident.as_str().starts_with('_') && let Some(mir) = enclosing_mir(cx.tcx, expr.hir_id) && let Some((local, _)) = mir .local_decls diff --git a/clippy_lints/src/methods/single_char_insert_string.rs b/clippy_lints/src/methods/single_char_insert_string.rs index 44a7ad394fa0..20ec2b74d81e 100644 --- a/clippy_lints/src/methods/single_char_insert_string.rs +++ b/clippy_lints/src/methods/single_char_insert_string.rs @@ -10,7 +10,7 @@ use super::SINGLE_CHAR_ADD_STR; /// lint for length-1 `str`s as argument for `insert_str` pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, receiver: &hir::Expr<'_>, args: &[hir::Expr<'_>]) { let mut applicability = Applicability::MachineApplicable; - if let Some(extension_string) = get_hint_if_single_char_arg(cx, &args[1], &mut applicability) { + if let Some(extension_string) = get_hint_if_single_char_arg(cx, &args[1], &mut applicability, false) { let base_string_snippet = snippet_with_applicability(cx, receiver.span.source_callsite(), "_", &mut applicability); let pos_arg = snippet_with_applicability(cx, args[0].span, "..", &mut applicability); diff --git a/clippy_lints/src/methods/single_char_pattern.rs b/clippy_lints/src/methods/single_char_pattern.rs index 363b1f2b8122..982a7901c453 100644 --- a/clippy_lints/src/methods/single_char_pattern.rs +++ b/clippy_lints/src/methods/single_char_pattern.rs @@ -8,7 +8,7 @@ use rustc_span::symbol::Symbol; use super::SINGLE_CHAR_PATTERN; -const PATTERN_METHODS: [(&str, usize); 24] = [ +const PATTERN_METHODS: [(&str, usize); 22] = [ ("contains", 0), ("starts_with", 0), ("ends_with", 0), @@ -27,8 +27,6 @@ const PATTERN_METHODS: [(&str, usize); 24] = [ ("rmatches", 0), ("match_indices", 0), ("rmatch_indices", 0), - ("strip_prefix", 0), - ("strip_suffix", 0), ("trim_start_matches", 0), ("trim_end_matches", 0), ("replace", 0), @@ -50,7 +48,7 @@ pub(super) fn check( && args.len() > pos && let arg = &args[pos] && let mut applicability = Applicability::MachineApplicable - && let Some(hint) = get_hint_if_single_char_arg(cx, arg, &mut applicability) + && let Some(hint) = get_hint_if_single_char_arg(cx, arg, &mut applicability, true) { span_lint_and_sugg( cx, diff --git a/clippy_lints/src/methods/single_char_push_string.rs b/clippy_lints/src/methods/single_char_push_string.rs index 0698bd6a0c52..97c13825bc10 100644 --- a/clippy_lints/src/methods/single_char_push_string.rs +++ b/clippy_lints/src/methods/single_char_push_string.rs @@ -10,7 +10,7 @@ use super::SINGLE_CHAR_ADD_STR; /// lint for length-1 `str`s as argument for `push_str` pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, receiver: &hir::Expr<'_>, args: &[hir::Expr<'_>]) { let mut applicability = Applicability::MachineApplicable; - if let Some(extension_string) = get_hint_if_single_char_arg(cx, &args[0], &mut applicability) { + if let Some(extension_string) = get_hint_if_single_char_arg(cx, &args[0], &mut applicability, false) { let base_string_snippet = snippet_with_applicability(cx, receiver.span.source_callsite(), "..", &mut applicability); let sugg = format!("{base_string_snippet}.push({extension_string})"); diff --git a/clippy_lints/src/methods/unused_enumerate_index.rs b/clippy_lints/src/methods/unused_enumerate_index.rs index e5cc898612e9..8b8a965b9f0c 100644 --- a/clippy_lints/src/methods/unused_enumerate_index.rs +++ b/clippy_lints/src/methods/unused_enumerate_index.rs @@ -1,7 +1,6 @@ use clippy_utils::diagnostics::{multispan_sugg_with_applicability, span_lint_hir_and_then}; -use clippy_utils::paths::{CORE_ITER_ENUMERATE_METHOD, CORE_ITER_ENUMERATE_STRUCT}; use clippy_utils::source::{snippet, snippet_opt}; -use clippy_utils::{expr_or_init, is_trait_method, match_def_path, pat_is_wild}; +use clippy_utils::{expr_or_init, is_trait_method, pat_is_wild}; use rustc_errors::Applicability; use rustc_hir::{Expr, ExprKind, FnDecl, PatKind, TyKind}; use rustc_lint::LateContext; @@ -42,7 +41,7 @@ pub(super) fn check(cx: &LateContext<'_>, call_expr: &Expr<'_>, recv: &Expr<'_>, let recv_ty = cx.typeck_results().expr_ty(recv); if let Some(recv_ty_defid) = recv_ty.ty_adt_def().map(AdtDef::did) // If we call a method on a `std::iter::Enumerate` instance - && match_def_path(cx, recv_ty_defid, &CORE_ITER_ENUMERATE_STRUCT) + && cx.tcx.is_diagnostic_item(sym::Enumerate, recv_ty_defid) // If we are calling a method of the `Iterator` trait && is_trait_method(cx, call_expr, sym::Iterator) // And the map argument is a closure @@ -75,10 +74,10 @@ pub(super) fn check(cx: &LateContext<'_>, call_expr: &Expr<'_>, recv: &Expr<'_>, && let ExprKind::MethodCall(_, enumerate_recv, _, enumerate_span) = recv_init_expr.kind && let Some(enumerate_defid) = cx.typeck_results().type_dependent_def_id(recv_init_expr.hir_id) // Make sure the method call is `std::iter::Iterator::enumerate`. - && match_def_path(cx, enumerate_defid, &CORE_ITER_ENUMERATE_METHOD) + && cx.tcx.is_diagnostic_item(sym::enumerate_method, enumerate_defid) { // Check if the tuple type was explicit. It may be the type system _needs_ the type of the element - // that would be explicited in the closure. + // that would be explicitly in the closure. let new_closure_param = match find_elem_explicit_type_span(closure.fn_decl) { // We have an explicit type. Get its snippet, that of the binding name, and do `binding: ty`. // Fallback to `..` if we fail getting either snippet. diff --git a/clippy_lints/src/methods/utils.rs b/clippy_lints/src/methods/utils.rs index ef00c812d510..c50f24f824ab 100644 --- a/clippy_lints/src/methods/utils.rs +++ b/clippy_lints/src/methods/utils.rs @@ -52,11 +52,17 @@ pub(super) fn get_hint_if_single_char_arg( cx: &LateContext<'_>, arg: &Expr<'_>, applicability: &mut Applicability, + ascii_only: bool, ) -> Option { if let ExprKind::Lit(lit) = &arg.kind && let ast::LitKind::Str(r, style) = lit.node && let string = r.as_str() - && string.chars().count() == 1 + && let len = if ascii_only { + string.len() + } else { + string.chars().count() + } + && len == 1 { let snip = snippet_with_applicability(cx, arg.span, string, applicability); let ch = if let ast::StrStyle::Raw(nhash) = style { diff --git a/clippy_lints/src/multiple_bound_locations.rs b/clippy_lints/src/multiple_bound_locations.rs index 191b32408efe..d608f3bf7b4d 100644 --- a/clippy_lints/src/multiple_bound_locations.rs +++ b/clippy_lints/src/multiple_bound_locations.rs @@ -29,7 +29,7 @@ declare_clippy_lint! { /// F: Sized + std::fmt::Debug, /// {} /// ``` - #[clippy::version = "1.77.0"] + #[clippy::version = "1.78.0"] pub MULTIPLE_BOUND_LOCATIONS, suspicious, "defining generic bounds in multiple locations" diff --git a/clippy_lints/src/mut_key.rs b/clippy_lints/src/mut_key.rs index 8c2f43c97f4d..2eb534da0925 100644 --- a/clippy_lints/src/mut_key.rs +++ b/clippy_lints/src/mut_key.rs @@ -1,7 +1,6 @@ use clippy_utils::diagnostics::span_lint; -use clippy_utils::ty::is_interior_mut_ty; -use clippy_utils::{def_path_def_ids, trait_ref_of_method}; -use rustc_data_structures::fx::FxHashSet; +use clippy_utils::trait_ref_of_method; +use clippy_utils::ty::InteriorMut; use rustc_hir as hir; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty::{self, Ty}; @@ -23,27 +22,15 @@ declare_clippy_lint! { /// ### Known problems /// /// #### False Positives - /// It's correct to use a struct that contains interior mutability as a key, when its + /// It's correct to use a struct that contains interior mutability as a key when its /// implementation of `Hash` or `Ord` doesn't access any of the interior mutable types. /// However, this lint is unable to recognize this, so it will often cause false positives in - /// theses cases. The `bytes` crate is a great example of this. + /// these cases. /// /// #### False Negatives - /// For custom `struct`s/`enum`s, this lint is unable to check for interior mutability behind - /// indirection. For example, `struct BadKey<'a>(&'a Cell)` will be seen as immutable - /// and cause a false negative if its implementation of `Hash`/`Ord` accesses the `Cell`. - /// - /// This lint does check a few cases for indirection. Firstly, using some standard library - /// types (`Option`, `Result`, `Box`, `Rc`, `Arc`, `Vec`, `VecDeque`, `BTreeMap` and - /// `BTreeSet`) directly as keys (e.g. in `HashMap>, ()>`) **will** trigger the - /// lint, because the impls of `Hash`/`Ord` for these types directly call `Hash`/`Ord` on their - /// contained type. - /// - /// Secondly, the implementations of `Hash` and `Ord` for raw pointers (`*const T` or `*mut T`) - /// apply only to the **address** of the contained value. Therefore, interior mutability - /// behind raw pointers (e.g. in `HashSet<*mut Cell>`) can't impact the value of `Hash` - /// or `Ord`, and therefore will not trigger this link. For more info, see issue - /// [#6745](https://github.com/rust-lang/rust-clippy/issues/6745). + /// This lint does not follow raw pointers (`*const T` or `*mut T`) as `Hash` and `Ord` + /// apply only to the **address** of the contained value. This can cause false negatives for + /// custom collections that use raw pointers internally. /// /// ### Example /// ```no_run @@ -51,13 +38,12 @@ declare_clippy_lint! { /// use std::collections::HashSet; /// use std::hash::{Hash, Hasher}; /// use std::sync::atomic::AtomicUsize; - ///# #[allow(unused)] /// /// struct Bad(AtomicUsize); /// impl PartialEq for Bad { /// fn eq(&self, rhs: &Self) -> bool { /// .. - /// ; unimplemented!(); + /// # ; true /// } /// } /// @@ -66,7 +52,7 @@ declare_clippy_lint! { /// impl Hash for Bad { /// fn hash(&self, h: &mut H) { /// .. - /// ; unimplemented!(); + /// # ; /// } /// } /// @@ -80,25 +66,16 @@ declare_clippy_lint! { "Check for mutable `Map`/`Set` key type" } -#[derive(Clone)] -pub struct MutableKeyType { +pub struct MutableKeyType<'tcx> { ignore_interior_mutability: Vec, - ignore_mut_def_ids: FxHashSet, + interior_mut: InteriorMut<'tcx>, } -impl_lint_pass!(MutableKeyType => [ MUTABLE_KEY_TYPE ]); +impl_lint_pass!(MutableKeyType<'_> => [ MUTABLE_KEY_TYPE ]); -impl<'tcx> LateLintPass<'tcx> for MutableKeyType { +impl<'tcx> LateLintPass<'tcx> for MutableKeyType<'tcx> { fn check_crate(&mut self, cx: &LateContext<'tcx>) { - self.ignore_mut_def_ids.clear(); - let mut path = Vec::new(); - for ty in &self.ignore_interior_mutability { - path.extend(ty.split("::")); - for id in def_path_def_ids(cx, &path[..]) { - self.ignore_mut_def_ids.insert(id); - } - path.clear(); - } + self.interior_mut = InteriorMut::without_pointers(cx, &self.ignore_interior_mutability); } fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx hir::Item<'tcx>) { @@ -121,7 +98,7 @@ impl<'tcx> LateLintPass<'tcx> for MutableKeyType { } } - fn check_local(&mut self, cx: &LateContext<'_>, local: &hir::LetStmt<'_>) { + fn check_local(&mut self, cx: &LateContext<'tcx>, local: &hir::LetStmt<'tcx>) { if let hir::PatKind::Wild = local.pat.kind { return; } @@ -129,15 +106,15 @@ impl<'tcx> LateLintPass<'tcx> for MutableKeyType { } } -impl MutableKeyType { +impl<'tcx> MutableKeyType<'tcx> { pub fn new(ignore_interior_mutability: Vec) -> Self { Self { ignore_interior_mutability, - ignore_mut_def_ids: FxHashSet::default(), + interior_mut: InteriorMut::default(), } } - fn check_sig(&self, cx: &LateContext<'_>, fn_def_id: LocalDefId, decl: &hir::FnDecl<'_>) { + fn check_sig(&mut self, cx: &LateContext<'tcx>, fn_def_id: LocalDefId, decl: &hir::FnDecl<'tcx>) { let fn_sig = cx.tcx.fn_sig(fn_def_id).instantiate_identity(); for (hir_ty, ty) in iter::zip(decl.inputs, fn_sig.inputs().skip_binder()) { self.check_ty_(cx, hir_ty.span, *ty); @@ -151,7 +128,7 @@ impl MutableKeyType { // We want to lint 1. sets or maps with 2. not immutable key types and 3. no unerased // generics (because the compiler cannot ensure immutability for unknown types). - fn check_ty_<'tcx>(&self, cx: &LateContext<'tcx>, span: Span, ty: Ty<'tcx>) { + fn check_ty_(&mut self, cx: &LateContext<'tcx>, span: Span, ty: Ty<'tcx>) { let ty = ty.peel_refs(); if let ty::Adt(def, args) = ty.kind() { let is_keyed_type = [sym::HashMap, sym::BTreeMap, sym::HashSet, sym::BTreeSet] @@ -162,11 +139,7 @@ impl MutableKeyType { } let subst_ty = args.type_at(0); - // Determines if a type contains interior mutability which would affect its implementation of - // [`Hash`] or [`Ord`]. - if is_interior_mut_ty(cx, subst_ty) - && !matches!(subst_ty.ty_adt_def(), Some(adt) if self.ignore_mut_def_ids.contains(&adt.did())) - { + if self.interior_mut.is_interior_mut_ty(cx, subst_ty) { span_lint(cx, MUTABLE_KEY_TYPE, span, "mutable key type"); } } diff --git a/clippy_lints/src/needless_for_each.rs b/clippy_lints/src/needless_for_each.rs index 84a07df1bb0a..630018238f4c 100644 --- a/clippy_lints/src/needless_for_each.rs +++ b/clippy_lints/src/needless_for_each.rs @@ -1,6 +1,6 @@ use rustc_errors::Applicability; use rustc_hir::intravisit::{walk_expr, Visitor}; -use rustc_hir::{Closure, Expr, ExprKind, Stmt, StmtKind}; +use rustc_hir::{Block, BlockCheckMode, Closure, Expr, ExprKind, Stmt, StmtKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_session::declare_lint_pass; use rustc_span::{sym, Span, Symbol}; @@ -35,6 +35,16 @@ declare_clippy_lint! { /// println!("{}", elem); /// } /// ``` + /// + /// ### Known Problems + /// When doing things such as: + /// ```ignore + /// let v = vec![0, 1, 2]; + /// v.iter().for_each(|elem| unsafe { + /// libc::printf(c"%d\n".as_ptr(), elem); + /// }); + /// ``` + /// This lint will not trigger. #[clippy::version = "1.53.0"] pub NEEDLESS_FOR_EACH, pedantic, @@ -68,7 +78,9 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessForEach { // e.g. `v.iter().for_each(f)` is simpler and clearer than using `for` loop. && let ExprKind::Closure(&Closure { body, .. }) = for_each_arg.kind && let body = cx.tcx.hir().body(body) - && let ExprKind::Block(..) = body.value.kind + // Skip the lint if the body is not safe, so as not to suggest `for … in … unsafe {}` + // and suggesting `for … in … { unsafe { } }` is a little ugly. + && let ExprKind::Block(Block { rules: BlockCheckMode::DefaultBlock, .. }, ..) = body.value.kind { let mut ret_collector = RetCollector::default(); ret_collector.visit_expr(body.value); diff --git a/clippy_lints/src/needless_late_init.rs b/clippy_lints/src/needless_late_init.rs index 0c0b1a73351f..6605d1fa51a3 100644 --- a/clippy_lints/src/needless_late_init.rs +++ b/clippy_lints/src/needless_late_init.rs @@ -6,8 +6,7 @@ use clippy_utils::visitors::{for_each_expr, for_each_expr_with_closures, is_loca use core::ops::ControlFlow; use rustc_errors::{Applicability, MultiSpan}; use rustc_hir::{ - BindingMode, Block, Expr, ExprKind, HirId, LetStmt, LocalSource, MatchSource, Node, Pat, PatKind, Stmt, - StmtKind, + BindingMode, Block, Expr, ExprKind, HirId, LetStmt, LocalSource, MatchSource, Node, Pat, PatKind, Stmt, StmtKind, }; use rustc_lint::{LateContext, LateLintPass}; use rustc_session::declare_lint_pass; diff --git a/clippy_lints/src/needless_pass_by_ref_mut.rs b/clippy_lints/src/needless_pass_by_ref_mut.rs index 30d3e86dc4ed..9e47c3ad0b7f 100644 --- a/clippy_lints/src/needless_pass_by_ref_mut.rs +++ b/clippy_lints/src/needless_pass_by_ref_mut.rs @@ -83,7 +83,9 @@ fn should_skip<'tcx>( } if is_self(arg) { - return true; + // Interestingly enough, `self` arguments make `is_from_proc_macro` return `true`, hence why + // we return early here. + return false; } if let PatKind::Binding(.., name, _) = arg.pat.kind { @@ -185,7 +187,7 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessPassByRefMut<'tcx> { } // Collect variables mutably used and spans which will need dereferencings from the // function body. - let MutablyUsedVariablesCtxt { mutably_used_vars, .. } = { + let mutably_used_vars = { let mut ctx = MutablyUsedVariablesCtxt { mutably_used_vars: HirIdSet::default(), prev_bind: None, @@ -217,7 +219,7 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessPassByRefMut<'tcx> { check_closures(&mut ctx, cx, &infcx, &mut checked_closures, async_closures); } } - ctx + ctx.generate_mutably_used_ids_from_aliases() }; for ((&input, &_), arg) in it { // Only take `&mut` arguments. @@ -309,14 +311,24 @@ struct MutablyUsedVariablesCtxt<'tcx> { } impl<'tcx> MutablyUsedVariablesCtxt<'tcx> { - fn add_mutably_used_var(&mut self, mut used_id: HirId) { - while let Some(id) = self.aliases.get(&used_id) { - self.mutably_used_vars.insert(used_id); - used_id = *id; - } + fn add_mutably_used_var(&mut self, used_id: HirId) { self.mutably_used_vars.insert(used_id); } + // Because the alias may come after the mutable use of a variable, we need to fill the map at + // the end. + fn generate_mutably_used_ids_from_aliases(mut self) -> HirIdSet { + let all_ids = self.mutably_used_vars.iter().copied().collect::>(); + for mut used_id in all_ids { + while let Some(id) = self.aliases.get(&used_id) { + self.mutably_used_vars.insert(used_id); + used_id = *id; + } + self.mutably_used_vars.insert(used_id); + } + self.mutably_used_vars + } + fn would_be_alias_cycle(&self, alias: HirId, mut target: HirId) -> bool { while let Some(id) = self.aliases.get(&target) { if *id == alias { diff --git a/clippy_lints/src/needless_pass_by_value.rs b/clippy_lints/src/needless_pass_by_value.rs index 53bcde680876..39d374d0d27f 100644 --- a/clippy_lints/src/needless_pass_by_value.rs +++ b/clippy_lints/src/needless_pass_by_value.rs @@ -9,8 +9,8 @@ use rustc_ast::ast::Attribute; use rustc_errors::{Applicability, Diag}; use rustc_hir::intravisit::FnKind; use rustc_hir::{ - BindingMode, Body, FnDecl, GenericArg, HirId, HirIdSet, Impl, ItemKind, LangItem, Mutability, Node, PatKind, - QPath, TyKind, + BindingMode, Body, FnDecl, GenericArg, HirId, HirIdSet, Impl, ItemKind, LangItem, Mutability, Node, PatKind, QPath, + TyKind, }; use rustc_hir_typeck::expr_use_visitor as euv; use rustc_infer::infer::TyCtxtInferExt; diff --git a/clippy_lints/src/non_canonical_impls.rs b/clippy_lints/src/non_canonical_impls.rs index fd3985a5dafc..932d6fe54d66 100644 --- a/clippy_lints/src/non_canonical_impls.rs +++ b/clippy_lints/src/non_canonical_impls.rs @@ -182,17 +182,17 @@ impl LateLintPass<'_> for NonCanonicalImpls { if block.stmts.is_empty() && let Some(expr) = block.expr - && let ExprKind::Call( - Expr { - kind: ExprKind::Path(some_path), - hir_id: some_hir_id, - .. - }, - [cmp_expr], - ) = expr.kind - && is_res_lang_ctor(cx, cx.qpath_res(some_path, *some_hir_id), LangItem::OptionSome) - // Fix #11178, allow `Self::cmp(self, ..)` too - && self_cmp_call(cx, cmp_expr, impl_item.owner_id.def_id, &mut needs_fully_qualified) + && expr_is_cmp(cx, &expr.kind, impl_item, &mut needs_fully_qualified) + { + } + // Fix #12683, allow [`needless_return`] here + else if block.expr.is_none() + && let Some(stmt) = block.stmts.first() + && let rustc_hir::StmtKind::Semi(Expr { + kind: ExprKind::Ret(Some(Expr { kind: ret_kind, .. })), + .. + }) = stmt.kind + && expr_is_cmp(cx, ret_kind, impl_item, &mut needs_fully_qualified) { } else { // If `Self` and `Rhs` are not the same type, bail. This makes creating a valid @@ -245,6 +245,30 @@ impl LateLintPass<'_> for NonCanonicalImpls { } } +/// Return true if `expr_kind` is a `cmp` call. +fn expr_is_cmp<'tcx>( + cx: &LateContext<'tcx>, + expr_kind: &'tcx ExprKind<'tcx>, + impl_item: &ImplItem<'_>, + needs_fully_qualified: &mut bool, +) -> bool { + if let ExprKind::Call( + Expr { + kind: ExprKind::Path(some_path), + hir_id: some_hir_id, + .. + }, + [cmp_expr], + ) = expr_kind + { + is_res_lang_ctor(cx, cx.qpath_res(some_path, *some_hir_id), LangItem::OptionSome) + // Fix #11178, allow `Self::cmp(self, ..)` too + && self_cmp_call(cx, cmp_expr, impl_item.owner_id.def_id, needs_fully_qualified) + } else { + false + } +} + /// Returns whether this is any of `self.cmp(..)`, `Self::cmp(self, ..)` or `Ord::cmp(self, ..)`. fn self_cmp_call<'tcx>( cx: &LateContext<'tcx>, diff --git a/clippy_lints/src/non_copy_const.rs b/clippy_lints/src/non_copy_const.rs index ff10a841aef1..76d9cee18aa7 100644 --- a/clippy_lints/src/non_copy_const.rs +++ b/clippy_lints/src/non_copy_const.rs @@ -5,9 +5,9 @@ use std::ptr; use clippy_utils::diagnostics::span_lint_and_then; +use clippy_utils::in_constant; use clippy_utils::macros::macro_backtrace; -use clippy_utils::{def_path_def_ids, in_constant}; -use rustc_data_structures::fx::FxHashSet; +use clippy_utils::ty::InteriorMut; use rustc_hir::def::{DefKind, Res}; use rustc_hir::def_id::DefId; use rustc_hir::{ @@ -52,8 +52,8 @@ declare_clippy_lint! { /// There're other enums plus associated constants cases that the lint cannot handle. /// /// Types that have underlying or potential interior mutability trigger the lint whether - /// the interior mutable field is used or not. See issues - /// [#5812](https://github.com/rust-lang/rust-clippy/issues/5812) and + /// the interior mutable field is used or not. See issue + /// [#5812](https://github.com/rust-lang/rust-clippy/issues/5812) /// /// ### Example /// ```no_run @@ -170,42 +170,22 @@ fn lint(cx: &LateContext<'_>, source: Source) { }); } -#[derive(Clone)] -pub struct NonCopyConst { +pub struct NonCopyConst<'tcx> { ignore_interior_mutability: Vec, - ignore_mut_def_ids: FxHashSet, + interior_mut: InteriorMut<'tcx>, } -impl_lint_pass!(NonCopyConst => [DECLARE_INTERIOR_MUTABLE_CONST, BORROW_INTERIOR_MUTABLE_CONST]); +impl_lint_pass!(NonCopyConst<'_> => [DECLARE_INTERIOR_MUTABLE_CONST, BORROW_INTERIOR_MUTABLE_CONST]); -impl NonCopyConst { +impl<'tcx> NonCopyConst<'tcx> { pub fn new(ignore_interior_mutability: Vec) -> Self { Self { ignore_interior_mutability, - ignore_mut_def_ids: FxHashSet::default(), + interior_mut: InteriorMut::default(), } } - fn is_ty_ignored(&self, ty: Ty<'_>) -> bool { - matches!(ty.ty_adt_def(), Some(adt) if self.ignore_mut_def_ids.contains(&adt.did())) - } - - fn is_unfrozen<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool { - // Ignore types whose layout is unknown since `is_freeze` reports every generic types as `!Freeze`, - // making it indistinguishable from `UnsafeCell`. i.e. it isn't a tool to prove a type is - // 'unfrozen'. However, this code causes a false negative in which - // a type contains a layout-unknown type, but also an unsafe cell like `const CELL: Cell`. - // Yet, it's better than `ty.has_type_flags(TypeFlags::HAS_TY_PARAM | TypeFlags::HAS_PROJECTION)` - // since it works when a pointer indirection involves (`Cell<*const T>`). - // Making up a `ParamEnv` where every generic params and assoc types are `Freeze`is another option; - // but I'm not sure whether it's a decent way, if possible. - cx.tcx.layout_of(cx.param_env.and(ty)).is_ok() && !ty.is_freeze(cx.tcx, cx.param_env) - } - - fn is_value_unfrozen_raw_inner<'tcx>(&self, cx: &LateContext<'tcx>, val: ty::ValTree<'tcx>, ty: Ty<'tcx>) -> bool { - if self.is_ty_ignored(ty) { - return false; - } + fn is_value_unfrozen_raw_inner(cx: &LateContext<'tcx>, val: ty::ValTree<'tcx>, ty: Ty<'tcx>) -> bool { match *ty.kind() { // the fact that we have to dig into every structs to search enums // leads us to the point checking `UnsafeCell` directly is the only option. @@ -216,8 +196,7 @@ impl NonCopyConst { ty::Array(ty, _) => val .unwrap_branch() .iter() - .any(|field| self.is_value_unfrozen_raw_inner(cx, *field, ty)), - ty::Adt(def, _) if def.is_union() => false, + .any(|field| Self::is_value_unfrozen_raw_inner(cx, *field, ty)), ty::Adt(def, args) if def.is_enum() => { let (&variant_index, fields) = val.unwrap_branch().split_first().unwrap(); let variant_index = VariantIdx::from_u32(variant_index.unwrap_leaf().try_to_u32().ok().unwrap()); @@ -230,24 +209,23 @@ impl NonCopyConst { .iter() .map(|field| field.ty(cx.tcx, args)), ) - .any(|(field, ty)| self.is_value_unfrozen_raw_inner(cx, field, ty)) + .any(|(field, ty)| Self::is_value_unfrozen_raw_inner(cx, field, ty)) }, ty::Adt(def, args) => val .unwrap_branch() .iter() .zip(def.non_enum_variant().fields.iter().map(|field| field.ty(cx.tcx, args))) - .any(|(field, ty)| self.is_value_unfrozen_raw_inner(cx, *field, ty)), + .any(|(field, ty)| Self::is_value_unfrozen_raw_inner(cx, *field, ty)), ty::Tuple(tys) => val .unwrap_branch() .iter() .zip(tys) - .any(|(field, ty)| self.is_value_unfrozen_raw_inner(cx, *field, ty)), + .any(|(field, ty)| Self::is_value_unfrozen_raw_inner(cx, *field, ty)), _ => false, } } - fn is_value_unfrozen_raw<'tcx>( - &self, + fn is_value_unfrozen_raw( cx: &LateContext<'tcx>, result: Result>, ErrorHandled>, ty: Ty<'tcx>, @@ -277,11 +255,11 @@ impl NonCopyConst { // I chose this way because unfrozen enums as assoc consts are rare (or, hopefully, none). matches!(err, ErrorHandled::TooGeneric(..)) }, - |val| val.map_or(true, |val| self.is_value_unfrozen_raw_inner(cx, val, ty)), + |val| val.map_or(true, |val| Self::is_value_unfrozen_raw_inner(cx, val, ty)), ) } - fn is_value_unfrozen_poly<'tcx>(&self, cx: &LateContext<'tcx>, body_id: BodyId, ty: Ty<'tcx>) -> bool { + fn is_value_unfrozen_poly(cx: &LateContext<'tcx>, body_id: BodyId, ty: Ty<'tcx>) -> bool { let def_id = body_id.hir_id.owner.to_def_id(); let args = ty::GenericArgs::identity_for_item(cx.tcx, def_id); let instance = ty::Instance::new(def_id, args); @@ -291,17 +269,17 @@ impl NonCopyConst { }; let param_env = cx.tcx.param_env(def_id).with_reveal_all_normalized(cx.tcx); let result = cx.tcx.const_eval_global_id_for_typeck(param_env, cid, DUMMY_SP); - self.is_value_unfrozen_raw(cx, result, ty) + Self::is_value_unfrozen_raw(cx, result, ty) } - fn is_value_unfrozen_expr<'tcx>(&self, cx: &LateContext<'tcx>, hir_id: HirId, def_id: DefId, ty: Ty<'tcx>) -> bool { + fn is_value_unfrozen_expr(cx: &LateContext<'tcx>, hir_id: HirId, def_id: DefId, ty: Ty<'tcx>) -> bool { let args = cx.typeck_results().node_args(hir_id); let result = Self::const_eval_resolve(cx.tcx, cx.param_env, ty::UnevaluatedConst::new(def_id, args), DUMMY_SP); - self.is_value_unfrozen_raw(cx, result, ty) + Self::is_value_unfrozen_raw(cx, result, ty) } - pub fn const_eval_resolve<'tcx>( + pub fn const_eval_resolve( tcx: TyCtxt<'tcx>, param_env: ty::ParamEnv<'tcx>, ct: ty::UnevaluatedConst<'tcx>, @@ -321,26 +299,17 @@ impl NonCopyConst { } } -impl<'tcx> LateLintPass<'tcx> for NonCopyConst { +impl<'tcx> LateLintPass<'tcx> for NonCopyConst<'tcx> { fn check_crate(&mut self, cx: &LateContext<'tcx>) { - self.ignore_mut_def_ids.clear(); - let mut path = Vec::new(); - for ty in &self.ignore_interior_mutability { - path.extend(ty.split("::")); - for id in def_path_def_ids(cx, &path[..]) { - self.ignore_mut_def_ids.insert(id); - } - path.clear(); - } + self.interior_mut = InteriorMut::new(cx, &self.ignore_interior_mutability); } fn check_item(&mut self, cx: &LateContext<'tcx>, it: &'tcx Item<'_>) { if let ItemKind::Const(.., body_id) = it.kind { let ty = cx.tcx.type_of(it.owner_id).instantiate_identity(); if !ignored_macro(cx, it) - && !self.is_ty_ignored(ty) - && Self::is_unfrozen(cx, ty) - && self.is_value_unfrozen_poly(cx, body_id, ty) + && self.interior_mut.is_interior_mut_ty(cx, ty) + && Self::is_value_unfrozen_poly(cx, body_id, ty) { lint(cx, Source::Item { item: it.span }); } @@ -354,7 +323,7 @@ impl<'tcx> LateLintPass<'tcx> for NonCopyConst { // Normalize assoc types because ones originated from generic params // bounded other traits could have their bound. let normalized = cx.tcx.normalize_erasing_regions(cx.param_env, ty); - if !self.is_ty_ignored(ty) && Self::is_unfrozen(cx, normalized) + if self.interior_mut.is_interior_mut_ty(cx, normalized) // When there's no default value, lint it only according to its type; // in other words, lint consts whose value *could* be unfrozen, not definitely is. // This feels inconsistent with how the lint treats generic types, @@ -367,7 +336,7 @@ impl<'tcx> LateLintPass<'tcx> for NonCopyConst { // i.e. having an enum doesn't necessary mean a type has a frozen variant. // And, implementing it isn't a trivial task; it'll probably end up // re-implementing the trait predicate evaluation specific to `Freeze`. - && body_id_opt.map_or(true, |body_id| self.is_value_unfrozen_poly(cx, body_id, normalized)) + && body_id_opt.map_or(true, |body_id| Self::is_value_unfrozen_poly(cx, body_id, normalized)) { lint(cx, Source::Assoc { item: trait_item.span }); } @@ -409,8 +378,8 @@ impl<'tcx> LateLintPass<'tcx> for NonCopyConst { // e.g. `layout_of(...).is_err() || has_frozen_variant(...);` && let ty = cx.tcx.type_of(impl_item.owner_id).instantiate_identity() && let normalized = cx.tcx.normalize_erasing_regions(cx.param_env, ty) - && !self.is_ty_ignored(ty) && Self::is_unfrozen(cx, normalized) - && self.is_value_unfrozen_poly(cx, *body_id, normalized) + && self.interior_mut.is_interior_mut_ty(cx, normalized) + && Self::is_value_unfrozen_poly(cx, *body_id, normalized) { lint(cx, Source::Assoc { item: impl_item.span }); } @@ -420,9 +389,8 @@ impl<'tcx> LateLintPass<'tcx> for NonCopyConst { // Normalize assoc types originated from generic params. let normalized = cx.tcx.normalize_erasing_regions(cx.param_env, ty); - if !self.is_ty_ignored(ty) - && Self::is_unfrozen(cx, ty) - && self.is_value_unfrozen_poly(cx, *body_id, normalized) + if self.interior_mut.is_interior_mut_ty(cx, normalized) + && Self::is_value_unfrozen_poly(cx, *body_id, normalized) { lint(cx, Source::Assoc { item: impl_item.span }); } @@ -517,9 +485,8 @@ impl<'tcx> LateLintPass<'tcx> for NonCopyConst { cx.typeck_results().expr_ty(dereferenced_expr) }; - if !self.is_ty_ignored(ty) - && Self::is_unfrozen(cx, ty) - && self.is_value_unfrozen_expr(cx, expr.hir_id, item_def_id, ty) + if self.interior_mut.is_interior_mut_ty(cx, ty) + && Self::is_value_unfrozen_expr(cx, expr.hir_id, item_def_id, ty) { lint(cx, Source::Expr { expr: expr.span }); } diff --git a/clippy_lints/src/operators/arithmetic_side_effects.rs b/clippy_lints/src/operators/arithmetic_side_effects.rs index 96ea063aa74d..7d6f26cde3e9 100644 --- a/clippy_lints/src/operators/arithmetic_side_effects.rs +++ b/clippy_lints/src/operators/arithmetic_side_effects.rs @@ -7,14 +7,13 @@ use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty::{self, Ty}; use rustc_session::impl_lint_pass; -use rustc_span::source_map::Spanned; use rustc_span::symbol::sym; use rustc_span::{Span, Symbol}; use {rustc_ast as ast, rustc_hir as hir}; const HARD_CODED_ALLOWED_BINARY: &[[&str; 2]] = &[["f32", "f32"], ["f64", "f64"], ["std::string::String", "str"]]; const HARD_CODED_ALLOWED_UNARY: &[&str] = &["f32", "f64", "std::num::Saturating", "std::num::Wrapping"]; -const INTEGER_METHODS: &[Symbol] = &[ +const DISALLOWED_INT_METHODS: &[Symbol] = &[ sym::saturating_div, sym::wrapping_div, sym::wrapping_rem, @@ -27,8 +26,8 @@ pub struct ArithmeticSideEffects { allowed_unary: FxHashSet, // Used to check whether expressions are constants, such as in enum discriminants and consts const_span: Option, + disallowed_int_methods: FxHashSet, expr_span: Option, - integer_methods: FxHashSet, } impl_lint_pass!(ArithmeticSideEffects => [ARITHMETIC_SIDE_EFFECTS]); @@ -53,8 +52,8 @@ impl ArithmeticSideEffects { allowed_binary, allowed_unary, const_span: None, + disallowed_int_methods: DISALLOWED_INT_METHODS.iter().copied().collect(), expr_span: None, - integer_methods: INTEGER_METHODS.iter().copied().collect(), } } @@ -91,10 +90,10 @@ impl ArithmeticSideEffects { fn has_specific_allowed_type_and_operation<'tcx>( cx: &LateContext<'tcx>, lhs_ty: Ty<'tcx>, - op: &Spanned, + op: hir::BinOpKind, rhs_ty: Ty<'tcx>, ) -> bool { - let is_div_or_rem = matches!(op.node, hir::BinOpKind::Div | hir::BinOpKind::Rem); + let is_div_or_rem = matches!(op, hir::BinOpKind::Div | hir::BinOpKind::Rem); let is_non_zero_u = |cx: &LateContext<'tcx>, ty: Ty<'tcx>| { let tcx = cx.tcx; @@ -166,13 +165,35 @@ impl ArithmeticSideEffects { None } + /// Methods like `add_assign` are send to their `BinOps` references. + fn manage_sugar_methods<'tcx>( + &mut self, + cx: &LateContext<'tcx>, + expr: &'tcx hir::Expr<'_>, + lhs: &'tcx hir::Expr<'_>, + ps: &hir::PathSegment<'_>, + rhs: &'tcx hir::Expr<'_>, + ) { + if ps.ident.name == sym::add || ps.ident.name == sym::add_assign { + self.manage_bin_ops(cx, expr, hir::BinOpKind::Add, lhs, rhs); + } else if ps.ident.name == sym::div || ps.ident.name == sym::div_assign { + self.manage_bin_ops(cx, expr, hir::BinOpKind::Div, lhs, rhs); + } else if ps.ident.name == sym::mul || ps.ident.name == sym::mul_assign { + self.manage_bin_ops(cx, expr, hir::BinOpKind::Mul, lhs, rhs); + } else if ps.ident.name == sym::rem || ps.ident.name == sym::rem_assign { + self.manage_bin_ops(cx, expr, hir::BinOpKind::Rem, lhs, rhs); + } else if ps.ident.name == sym::sub || ps.ident.name == sym::sub_assign { + self.manage_bin_ops(cx, expr, hir::BinOpKind::Sub, lhs, rhs); + } + } + /// Manages when the lint should be triggered. Operations in constant environments, hard coded - /// types, custom allowed types and non-constant operations that won't overflow are ignored. + /// types, custom allowed types and non-constant operations that don't overflow are ignored. fn manage_bin_ops<'tcx>( &mut self, cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'_>, - op: &Spanned, + op: hir::BinOpKind, lhs: &'tcx hir::Expr<'_>, rhs: &'tcx hir::Expr<'_>, ) { @@ -180,7 +201,7 @@ impl ArithmeticSideEffects { return; } if !matches!( - op.node, + op, hir::BinOpKind::Add | hir::BinOpKind::Div | hir::BinOpKind::Mul @@ -204,7 +225,7 @@ impl ArithmeticSideEffects { return; } let has_valid_op = if Self::is_integral(lhs_ty) && Self::is_integral(rhs_ty) { - if let hir::BinOpKind::Shl | hir::BinOpKind::Shr = op.node { + if let hir::BinOpKind::Shl | hir::BinOpKind::Shr = op { // At least for integers, shifts are already handled by the CTFE return; } @@ -213,7 +234,7 @@ impl ArithmeticSideEffects { Self::literal_integer(cx, actual_rhs), ) { (None, None) => false, - (None, Some(n)) => match (&op.node, n) { + (None, Some(n)) => match (&op, n) { // Division and module are always valid if applied to non-zero integers (hir::BinOpKind::Div | hir::BinOpKind::Rem, local_n) if local_n != 0 => true, // Adding or subtracting zeros is always a no-op @@ -223,7 +244,7 @@ impl ArithmeticSideEffects { => true, _ => false, }, - (Some(n), None) => match (&op.node, n) { + (Some(n), None) => match (&op, n) { // Adding or subtracting zeros is always a no-op (hir::BinOpKind::Add | hir::BinOpKind::Sub, 0) // Multiplication by 1 or 0 will never overflow @@ -249,6 +270,7 @@ impl ArithmeticSideEffects { &mut self, args: &'tcx [hir::Expr<'_>], cx: &LateContext<'tcx>, + expr: &'tcx hir::Expr<'_>, ps: &'tcx hir::PathSegment<'_>, receiver: &'tcx hir::Expr<'_>, ) { @@ -262,7 +284,8 @@ impl ArithmeticSideEffects { if !Self::is_integral(instance_ty) { return; } - if !self.integer_methods.contains(&ps.ident.name) { + self.manage_sugar_methods(cx, expr, receiver, ps, arg); + if !self.disallowed_int_methods.contains(&ps.ident.name) { return; } let (actual_arg, _) = peel_hir_expr_refs(arg); @@ -310,10 +333,10 @@ impl<'tcx> LateLintPass<'tcx> for ArithmeticSideEffects { } match &expr.kind { hir::ExprKind::AssignOp(op, lhs, rhs) | hir::ExprKind::Binary(op, lhs, rhs) => { - self.manage_bin_ops(cx, expr, op, lhs, rhs); + self.manage_bin_ops(cx, expr, op.node, lhs, rhs); }, hir::ExprKind::MethodCall(ps, receiver, args, _) => { - self.manage_method_call(args, cx, ps, receiver); + self.manage_method_call(args, cx, expr, ps, receiver); }, hir::ExprKind::Unary(un_op, un_expr) => { self.manage_unary_ops(cx, expr, un_expr, *un_op); diff --git a/clippy_lints/src/ptr.rs b/clippy_lints/src/ptr.rs index cc61ef9184cd..2534e3c8468c 100644 --- a/clippy_lints/src/ptr.rs +++ b/clippy_lints/src/ptr.rs @@ -11,9 +11,8 @@ use rustc_hir::def_id::DefId; use rustc_hir::hir_id::{HirId, HirIdMap}; use rustc_hir::intravisit::{walk_expr, Visitor}; use rustc_hir::{ - self as hir, AnonConst, BinOpKind, BindingMode, Body, Expr, ExprKind, FnRetTy, FnSig, GenericArg, - ImplItemKind, ItemKind, Lifetime, Mutability, Node, Param, PatKind, QPath, TraitFn, TraitItem, TraitItemKind, - TyKind, Unsafety, + self as hir, AnonConst, BinOpKind, BindingMode, Body, Expr, ExprKind, FnRetTy, FnSig, GenericArg, ImplItemKind, + ItemKind, Lifetime, Mutability, Node, Param, PatKind, QPath, TraitFn, TraitItem, TraitItemKind, TyKind, Unsafety, }; use rustc_infer::infer::TyCtxtInferExt; use rustc_infer::traits::{Obligation, ObligationCause}; @@ -687,9 +686,7 @@ fn check_ptr_arg_usage<'tcx>(cx: &LateContext<'tcx>, body: &'tcx Body<'_>, args: .filter_map(|(i, arg)| { let param = &body.params[arg.idx]; match param.pat.kind { - PatKind::Binding(BindingMode::NONE, id, _, None) - if !is_lint_allowed(cx, PTR_ARG, param.hir_id) => - { + PatKind::Binding(BindingMode::NONE, id, _, None) if !is_lint_allowed(cx, PTR_ARG, param.hir_id) => { Some((id, i)) }, _ => { diff --git a/clippy_lints/src/question_mark.rs b/clippy_lints/src/question_mark.rs index 4ad967589a54..1f1ce147ca24 100644 --- a/clippy_lints/src/question_mark.rs +++ b/clippy_lints/src/question_mark.rs @@ -14,8 +14,8 @@ use rustc_errors::Applicability; use rustc_hir::def::Res; use rustc_hir::LangItem::{self, OptionNone, OptionSome, ResultErr, ResultOk}; use rustc_hir::{ - BindingMode, Block, Body, ByRef, Expr, ExprKind, LetStmt, Mutability, Node, PatKind, PathSegment, QPath, - Stmt, StmtKind, + BindingMode, Block, Body, ByRef, Expr, ExprKind, LetStmt, Mutability, Node, PatKind, PathSegment, QPath, Stmt, + StmtKind, }; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty::Ty; diff --git a/clippy_lints/src/repeat_vec_with_capacity.rs b/clippy_lints/src/repeat_vec_with_capacity.rs index a358881bf80e..792d8fc88f0b 100644 --- a/clippy_lints/src/repeat_vec_with_capacity.rs +++ b/clippy_lints/src/repeat_vec_with_capacity.rs @@ -1,7 +1,7 @@ use clippy_utils::consts::{constant, Constant}; use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::higher::VecArgs; -use clippy_utils::macros::root_macro_call; +use clippy_utils::macros::matching_root_macro_call; use clippy_utils::source::snippet; use clippy_utils::{expr_or_init, fn_def_id, match_def_path, paths}; use rustc_errors::Applicability; @@ -65,8 +65,7 @@ fn emit_lint(cx: &LateContext<'_>, span: Span, kind: &str, note: &'static str, s /// Checks `vec![Vec::with_capacity(x); n]` fn check_vec_macro(cx: &LateContext<'_>, expr: &Expr<'_>) { - if let Some(mac_call) = root_macro_call(expr.span) - && cx.tcx.is_diagnostic_item(sym::vec_macro, mac_call.def_id) + if matching_root_macro_call(cx, expr.span, sym::vec_macro).is_some() && let Some(VecArgs::Repeat(repeat_expr, len_expr)) = VecArgs::hir(cx, expr) && fn_def_id(cx, repeat_expr).is_some_and(|did| match_def_path(cx, did, &paths::VEC_WITH_CAPACITY)) && !len_expr.span.from_expansion() diff --git a/clippy_lints/src/size_of_ref.rs b/clippy_lints/src/size_of_ref.rs index 14ca7a3f0042..8d7f12af86e8 100644 --- a/clippy_lints/src/size_of_ref.rs +++ b/clippy_lints/src/size_of_ref.rs @@ -28,7 +28,7 @@ declare_clippy_lint! { /// fn size(&self) -> usize { /// // Note that `&self` as an argument is a `&&Foo`: Because `self` /// // is already a reference, `&self` is a double-reference. - /// // The return value of `size_of_val()` therefor is the + /// // The return value of `size_of_val()` therefore is the /// // size of the reference-type, not the size of `self`. /// std::mem::size_of_val(&self) /// } diff --git a/clippy_lints/src/slow_vector_initialization.rs b/clippy_lints/src/slow_vector_initialization.rs index 28c254537abd..b0e25c02265b 100644 --- a/clippy_lints/src/slow_vector_initialization.rs +++ b/clippy_lints/src/slow_vector_initialization.rs @@ -1,5 +1,5 @@ use clippy_utils::diagnostics::span_lint_and_then; -use clippy_utils::macros::root_macro_call; +use clippy_utils::macros::matching_root_macro_call; use clippy_utils::sugg::Sugg; use clippy_utils::{ get_enclosing_block, is_expr_path_def_path, is_integer_literal, is_path_diagnostic_item, path_to_local, @@ -145,9 +145,7 @@ impl SlowVectorInit { // Generally don't warn if the vec initializer comes from an expansion, except for the vec! macro. // This lets us still warn on `vec![]`, while ignoring other kinds of macros that may output an // empty vec - if expr.span.from_expansion() - && root_macro_call(expr.span).map(|m| m.def_id) != cx.tcx.get_diagnostic_item(sym::vec_macro) - { + if expr.span.from_expansion() && matching_root_macro_call(cx, expr.span, sym::vec_macro).is_none() { return None; } diff --git a/clippy_lints/src/thread_local_initializer_can_be_made_const.rs b/clippy_lints/src/thread_local_initializer_can_be_made_const.rs index c1e24674e3e8..4af3ee74d0ea 100644 --- a/clippy_lints/src/thread_local_initializer_can_be_made_const.rs +++ b/clippy_lints/src/thread_local_initializer_can_be_made_const.rs @@ -1,13 +1,14 @@ use clippy_config::msrvs::{self, Msrv}; use clippy_utils::diagnostics::span_lint_and_sugg; +use clippy_utils::macros::macro_backtrace; use clippy_utils::qualify_min_const_fn::is_min_const_fn; use clippy_utils::source::snippet; use clippy_utils::{fn_has_unsatisfiable_preds, peel_blocks}; use rustc_errors::Applicability; -use rustc_hir::{intravisit, ExprKind}; +use rustc_hir::{intravisit, Expr, ExprKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_session::impl_lint_pass; -use rustc_span::sym::thread_local_macro; +use rustc_span::sym::{self, thread_local_macro}; declare_clippy_lint! { /// ### What it does @@ -69,6 +70,26 @@ fn is_thread_local_initializer( ) } +fn is_unreachable(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { + if let Some(macro_call) = macro_backtrace(expr.span).next() + && let Some(diag_name) = cx.tcx.get_diagnostic_name(macro_call.def_id) + { + return (matches!( + diag_name, + sym::core_panic_macro + | sym::std_panic_macro + | sym::core_panic_2015_macro + | sym::std_panic_2015_macro + | sym::core_panic_2021_macro + ) && !cx.tcx.hir().is_inside_const_context(expr.hir_id)) + || matches!( + diag_name, + sym::unimplemented_macro | sym::todo_macro | sym::unreachable_macro | sym::unreachable_2015_macro + ); + } + false +} + #[inline] fn initializer_can_be_made_const(cx: &LateContext<'_>, defid: rustc_span::def_id::DefId, msrv: &Msrv) -> bool { // Building MIR for `fn`s with unsatisfiable preds results in ICE. @@ -102,12 +123,17 @@ impl<'tcx> LateLintPass<'tcx> for ThreadLocalInitializerCanBeMadeConst { // for details on this issue, see: // https://github.com/rust-lang/rust-clippy/pull/12276 && !cx.tcx.is_const_fn(defid) - && initializer_can_be_made_const(cx, defid, &self.msrv) - // we know that the function is const-qualifiable, so now - // we need only to get the initializer expression to span-lint it. && let ExprKind::Block(block, _) = body.value.kind && let Some(unpeeled) = block.expr && let ret_expr = peel_blocks(unpeeled) + // A common pattern around threadlocal! is to make the value unreachable + // to force an initialization before usage + // https://github.com/rust-lang/rust-clippy/issues/12637 + // we ensure that this is reachable before we check in mir + && !is_unreachable(cx, ret_expr) + && initializer_can_be_made_const(cx, defid, &self.msrv) + // we know that the function is const-qualifiable, so now + // we need only to get the initializer expression to span-lint it. && let initializer_snippet = snippet(cx, ret_expr.span, "thread_local! { ... }") && initializer_snippet != "thread_local! { ... }" { diff --git a/clippy_lints/src/to_string_trait_impl.rs b/clippy_lints/src/to_string_trait_impl.rs index 59ae185c9de7..0361836cdec7 100644 --- a/clippy_lints/src/to_string_trait_impl.rs +++ b/clippy_lints/src/to_string_trait_impl.rs @@ -38,7 +38,7 @@ declare_clippy_lint! { /// } /// } /// ``` - #[clippy::version = "1.77.0"] + #[clippy::version = "1.78.0"] pub TO_STRING_TRAIT_IMPL, style, "check for direct implementations of `ToString`" diff --git a/clippy_lints/src/trait_bounds.rs b/clippy_lints/src/trait_bounds.rs index 9468d367a926..c05cd9ed5934 100644 --- a/clippy_lints/src/trait_bounds.rs +++ b/clippy_lints/src/trait_bounds.rs @@ -237,6 +237,7 @@ impl TraitBounds { } } + #[allow(clippy::mutable_key_type)] fn check_type_repetition<'tcx>(&self, cx: &LateContext<'tcx>, gen: &'tcx Generics<'_>) { struct SpanlessTy<'cx, 'tcx> { ty: &'tcx Ty<'tcx>, diff --git a/clippy_lints/src/types/mod.rs b/clippy_lints/src/types/mod.rs index 0802cb2b7c75..5e45ab211efd 100644 --- a/clippy_lints/src/types/mod.rs +++ b/clippy_lints/src/types/mod.rs @@ -12,8 +12,8 @@ mod vec_box; use rustc_hir as hir; use rustc_hir::intravisit::FnKind; use rustc_hir::{ - Body, FnDecl, FnRetTy, GenericArg, ImplItem, ImplItemKind, Item, ItemKind, LetStmt, MutTy, QPath, TraitItem, - TraitItemKind, TyKind, + Body, FnDecl, FnRetTy, GenericArg, ImplItem, ImplItemKind, Item, ItemKind, LetStmt, MutTy, QPath, TraitFn, + TraitItem, TraitItemKind, TyKind, }; use rustc_lint::{LateContext, LateLintPass}; use rustc_session::impl_lint_pass; @@ -420,7 +420,13 @@ impl<'tcx> LateLintPass<'tcx> for Types { TraitItemKind::Const(ty, _) | TraitItemKind::Type(_, Some(ty)) => { self.check_ty(cx, ty, context); }, - TraitItemKind::Fn(ref sig, _) => self.check_fn_decl(cx, sig.decl, context), + TraitItemKind::Fn(ref sig, trait_method) => { + // Check only methods without body + // Methods with body are covered by check_fn. + if let TraitFn::Required(_) = trait_method { + self.check_fn_decl(cx, sig.decl, context); + } + }, TraitItemKind::Type(..) => (), } } diff --git a/clippy_lints/src/utils/author.rs b/clippy_lints/src/utils/author.rs index 7f0769452c73..4448c9ae3df7 100644 --- a/clippy_lints/src/utils/author.rs +++ b/clippy_lints/src/utils/author.rs @@ -7,8 +7,8 @@ use rustc_ast::LitIntType; use rustc_data_structures::fx::FxHashMap; use rustc_hir as hir; use rustc_hir::{ - ArrayLen, BindingMode, CaptureBy, Closure, ClosureKind, CoroutineKind, ExprKind, FnRetTy, HirId, Lit, - PatKind, QPath, StmtKind, TyKind, + ArrayLen, BindingMode, CaptureBy, Closure, ClosureKind, CoroutineKind, ExprKind, FnRetTy, HirId, Lit, PatKind, + QPath, StmtKind, TyKind, }; use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_session::declare_lint_pass; diff --git a/clippy_lints/src/vec.rs b/clippy_lints/src/vec.rs index 27ead55bf39c..9edf7579d482 100644 --- a/clippy_lints/src/vec.rs +++ b/clippy_lints/src/vec.rs @@ -7,7 +7,7 @@ use clippy_utils::diagnostics::span_lint_hir_and_then; use clippy_utils::source::snippet_opt; use clippy_utils::ty::is_copy; use clippy_utils::visitors::for_each_local_use_after_expr; -use clippy_utils::{get_parent_expr, higher, is_trait_method}; +use clippy_utils::{get_parent_expr, higher, is_in_test, is_trait_method}; use rustc_errors::Applicability; use rustc_hir::{BorrowKind, Expr, ExprKind, HirId, LetStmt, Mutability, Node, Pat, PatKind}; use rustc_lint::{LateContext, LateLintPass}; @@ -22,6 +22,7 @@ pub struct UselessVec { pub too_large_for_stack: u64, pub msrv: Msrv, pub span_to_lint_map: BTreeMap>, + pub allow_in_test: bool, } declare_clippy_lint! { @@ -57,6 +58,9 @@ impl<'tcx> LateLintPass<'tcx> for UselessVec { let Some(vec_args) = higher::VecArgs::hir(cx, expr.peel_borrows()) else { return; }; + if self.allow_in_test && is_in_test(cx.tcx, expr.hir_id) { + return; + }; // the parent callsite of this `vec!` expression, or span to the borrowed one such as `&vec!` let callsite = expr.span.parent_callsite().unwrap_or(expr.span); diff --git a/clippy_lints/src/vec_init_then_push.rs b/clippy_lints/src/vec_init_then_push.rs index c46f0298cc8b..a599415a2dd5 100644 --- a/clippy_lints/src/vec_init_then_push.rs +++ b/clippy_lints/src/vec_init_then_push.rs @@ -6,9 +6,7 @@ use clippy_utils::{get_parent_expr, path_to_local_id}; use core::ops::ControlFlow; use rustc_errors::Applicability; use rustc_hir::def::Res; -use rustc_hir::{ - BindingMode, Block, Expr, ExprKind, HirId, LetStmt, Mutability, PatKind, QPath, Stmt, StmtKind, UnOp, -}; +use rustc_hir::{BindingMode, Block, Expr, ExprKind, HirId, LetStmt, Mutability, PatKind, QPath, Stmt, StmtKind, UnOp}; use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_middle::lint::in_external_macro; use rustc_session::impl_lint_pass; diff --git a/clippy_utils/Cargo.toml b/clippy_utils/Cargo.toml index d2bb719a517f..ab883c25338b 100644 --- a/clippy_utils/Cargo.toml +++ b/clippy_utils/Cargo.toml @@ -1,6 +1,6 @@ [package] name = "clippy_utils" -version = "0.1.79" +version = "0.1.80" edition = "2021" publish = false diff --git a/clippy_utils/src/lib.rs b/clippy_utils/src/lib.rs index 5e242aea354a..a49414a058b1 100644 --- a/clippy_utils/src/lib.rs +++ b/clippy_utils/src/lib.rs @@ -2328,10 +2328,10 @@ pub fn is_slice_of_primitives(cx: &LateContext<'_>, expr: &Expr<'_>) -> Option(exprs: &[T], hash: Hash, eq: Eq) -> Vec<(&T, &T)> +pub fn search_same(exprs: &[T], mut hash: Hash, mut eq: Eq) -> Vec<(&T, &T)> where - Hash: Fn(&T) -> u64, - Eq: Fn(&T, &T) -> bool, + Hash: FnMut(&T) -> u64, + Eq: FnMut(&T, &T) -> bool, { match exprs { [a, b] if eq(a, b) => return vec![(a, b)], @@ -2505,8 +2505,9 @@ fn with_test_item_names(tcx: TyCtxt<'_>, module: LocalModDefId, f: impl Fn(&[Sym /// Note: Add `//@compile-flags: --test` to UI tests with a `#[test]` function pub fn is_in_test_function(tcx: TyCtxt<'_>, id: HirId) -> bool { with_test_item_names(tcx, tcx.parent_module(id), |names| { - tcx.hir() - .parent_iter(id) + let node = tcx.hir_node(id); + once((id, node)) + .chain(tcx.hir().parent_iter(id)) // Since you can nest functions we need to collect all until we leave // function scope .any(|(_id, node)| { @@ -2547,6 +2548,11 @@ pub fn is_in_cfg_test(tcx: TyCtxt<'_>, id: HirId) -> bool { .any(|parent_id| is_cfg_test(tcx, parent_id)) } +/// Checks if the node is in a `#[test]` function or has any parent node marked `#[cfg(test)]` +pub fn is_in_test(tcx: TyCtxt<'_>, hir_id: HirId) -> bool { + is_in_test_function(tcx, hir_id) || is_in_cfg_test(tcx, hir_id) +} + /// Checks if the item of any of its parents has `#[cfg(...)]` attribute applied. pub fn inherits_cfg(tcx: TyCtxt<'_>, def_id: LocalDefId) -> bool { let hir = tcx.hir(); diff --git a/clippy_utils/src/macros.rs b/clippy_utils/src/macros.rs index f166087dc3ca..257dd76ab15c 100644 --- a/clippy_utils/src/macros.rs +++ b/clippy_utils/src/macros.rs @@ -119,10 +119,20 @@ pub fn macro_backtrace(span: Span) -> impl Iterator { /// If the macro backtrace of `span` has a macro call at the root expansion /// (i.e. not a nested macro call), returns `Some` with the `MacroCall` +/// +/// If you only want to check whether the root macro has a specific name, +/// consider using [`matching_root_macro_call`] instead. pub fn root_macro_call(span: Span) -> Option { macro_backtrace(span).last() } +/// A combination of [`root_macro_call`] and +/// [`is_diagnostic_item`](rustc_middle::ty::TyCtxt::is_diagnostic_item) that returns a `MacroCall` +/// at the root expansion if only it matches the given name. +pub fn matching_root_macro_call(cx: &LateContext<'_>, span: Span, name: Symbol) -> Option { + root_macro_call(span).filter(|mc| cx.tcx.is_diagnostic_item(name, mc.def_id)) +} + /// Like [`root_macro_call`], but only returns `Some` if `node` is the "first node" /// produced by the macro call, as in [`first_node_in_macro`]. pub fn root_macro_call_first_node(cx: &LateContext<'_>, node: &impl HirNode) -> Option { diff --git a/clippy_utils/src/paths.rs b/clippy_utils/src/paths.rs index 456b8019e95c..9bf068ee3cde 100644 --- a/clippy_utils/src/paths.rs +++ b/clippy_utils/src/paths.rs @@ -19,8 +19,6 @@ pub const BTREESET_ITER: [&str; 6] = ["alloc", "collections", "btree", "set", "B pub const CLONE_TRAIT_METHOD: [&str; 4] = ["core", "clone", "Clone", "clone"]; pub const CORE_ITER_CLONED: [&str; 6] = ["core", "iter", "traits", "iterator", "Iterator", "cloned"]; pub const CORE_ITER_COPIED: [&str; 6] = ["core", "iter", "traits", "iterator", "Iterator", "copied"]; -pub const CORE_ITER_ENUMERATE_METHOD: [&str; 6] = ["core", "iter", "traits", "iterator", "Iterator", "enumerate"]; -pub const CORE_ITER_ENUMERATE_STRUCT: [&str; 5] = ["core", "iter", "adapters", "enumerate", "Enumerate"]; pub const CORE_ITER_FILTER: [&str; 6] = ["core", "iter", "traits", "iterator", "Iterator", "filter"]; pub const CORE_RESULT_OK_METHOD: [&str; 4] = ["core", "result", "Result", "ok"]; pub const CSTRING_AS_C_STR: [&str; 5] = ["alloc", "ffi", "c_str", "CString", "as_c_str"]; @@ -73,7 +71,6 @@ pub const REGEX_NEW: [&str; 3] = ["regex", "Regex", "new"]; pub const REGEX_SET_NEW: [&str; 3] = ["regex", "RegexSet", "new"]; pub const SERDE_DESERIALIZE: [&str; 3] = ["serde", "de", "Deserialize"]; pub const SERDE_DE_VISITOR: [&str; 3] = ["serde", "de", "Visitor"]; -pub const SLICE_GET: [&str; 4] = ["core", "slice", "", "get"]; pub const SLICE_INTO_VEC: [&str; 4] = ["alloc", "slice", "", "into_vec"]; pub const SLICE_INTO: [&str; 4] = ["core", "slice", "", "iter"]; pub const STD_IO_SEEK_FROM_CURRENT: [&str; 4] = ["std", "io", "SeekFrom", "Current"]; @@ -81,7 +78,6 @@ pub const STD_IO_SEEKFROM_START: [&str; 4] = ["std", "io", "SeekFrom", "Start"]; pub const STRING_AS_MUT_STR: [&str; 4] = ["alloc", "string", "String", "as_mut_str"]; pub const STRING_AS_STR: [&str; 4] = ["alloc", "string", "String", "as_str"]; pub const STRING_NEW: [&str; 4] = ["alloc", "string", "String", "new"]; -pub const STR_BYTES: [&str; 4] = ["core", "str", "", "bytes"]; pub const STR_CHARS: [&str; 4] = ["core", "str", "", "chars"]; pub const STR_ENDS_WITH: [&str; 4] = ["core", "str", "", "ends_with"]; pub const STR_LEN: [&str; 4] = ["core", "str", "", "len"]; @@ -108,7 +104,6 @@ pub const VEC_DEQUE_ITER: [&str; 5] = ["alloc", "collections", "vec_deque", "Vec pub const VEC_FROM_ELEM: [&str; 3] = ["alloc", "vec", "from_elem"]; pub const VEC_NEW: [&str; 4] = ["alloc", "vec", "Vec", "new"]; pub const VEC_WITH_CAPACITY: [&str; 4] = ["alloc", "vec", "Vec", "with_capacity"]; -pub const VEC_RESIZE: [&str; 4] = ["alloc", "vec", "Vec", "resize"]; pub const INSTANT_NOW: [&str; 4] = ["std", "time", "Instant", "now"]; pub const VEC_IS_EMPTY: [&str; 4] = ["alloc", "vec", "Vec", "is_empty"]; pub const VEC_POP: [&str; 4] = ["alloc", "vec", "Vec", "pop"]; diff --git a/clippy_utils/src/ty.rs b/clippy_utils/src/ty.rs index a06a82c56530..23750ed4d1ba 100644 --- a/clippy_utils/src/ty.rs +++ b/clippy_utils/src/ty.rs @@ -29,9 +29,10 @@ use rustc_trait_selection::traits::query::evaluate_obligation::InferCtxtExt as _ use rustc_trait_selection::traits::query::normalize::QueryNormalizeExt; use rustc_trait_selection::traits::{Obligation, ObligationCause}; use std::assert_matches::debug_assert_matches; +use std::collections::hash_map::Entry; use std::iter; -use crate::{match_def_path, path_res}; +use crate::{def_path_def_ids, match_def_path, path_res}; mod type_certainty; pub use type_certainty::expr_type_is_certain; @@ -1198,47 +1199,88 @@ pub fn make_normalized_projection<'tcx>( helper(tcx, param_env, make_projection(tcx, container_id, assoc_ty, args)?) } -/// Check if given type has inner mutability such as [`std::cell::Cell`] or [`std::cell::RefCell`] -/// etc. -pub fn is_interior_mut_ty<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool { - match *ty.kind() { - ty::Ref(_, inner_ty, mutbl) => mutbl == Mutability::Mut || is_interior_mut_ty(cx, inner_ty), - ty::Slice(inner_ty) => is_interior_mut_ty(cx, inner_ty), - ty::Array(inner_ty, size) => { - size.try_eval_target_usize(cx.tcx, cx.param_env) - .map_or(true, |u| u != 0) - && is_interior_mut_ty(cx, inner_ty) - }, - ty::Tuple(fields) => fields.iter().any(|ty| is_interior_mut_ty(cx, ty)), - ty::Adt(def, args) => { - // Special case for collections in `std` who's impl of `Hash` or `Ord` delegates to - // that of their type parameters. Note: we don't include `HashSet` and `HashMap` - // because they have no impl for `Hash` or `Ord`. - let def_id = def.did(); - let is_std_collection = [ - sym::Option, - sym::Result, - sym::LinkedList, - sym::Vec, - sym::VecDeque, - sym::BTreeMap, - sym::BTreeSet, - sym::Rc, - sym::Arc, - ] +/// Helper to check if given type has inner mutability such as [`std::cell::Cell`] or +/// [`std::cell::RefCell`]. +#[derive(Default, Debug)] +pub struct InteriorMut<'tcx> { + ignored_def_ids: FxHashSet, + ignore_pointers: bool, + tys: FxHashMap, Option>, +} + +impl<'tcx> InteriorMut<'tcx> { + pub fn new(cx: &LateContext<'tcx>, ignore_interior_mutability: &[String]) -> Self { + let ignored_def_ids = ignore_interior_mutability .iter() - .any(|diag_item| cx.tcx.is_diagnostic_item(*diag_item, def_id)); - let is_box = Some(def_id) == cx.tcx.lang_items().owned_box(); - if is_std_collection || is_box { - // The type is mutable if any of its type parameters are - args.types().any(|ty| is_interior_mut_ty(cx, ty)) - } else { - !ty.has_escaping_bound_vars() - && cx.tcx.layout_of(cx.param_env.and(ty)).is_ok() - && !ty.is_freeze(cx.tcx, cx.param_env) - } - }, - _ => false, + .flat_map(|ignored_ty| { + let path: Vec<&str> = ignored_ty.split("::").collect(); + def_path_def_ids(cx, path.as_slice()) + }) + .collect(); + + Self { + ignored_def_ids, + ..Self::default() + } + } + + pub fn without_pointers(cx: &LateContext<'tcx>, ignore_interior_mutability: &[String]) -> Self { + Self { + ignore_pointers: true, + ..Self::new(cx, ignore_interior_mutability) + } + } + + /// Check if given type has inner mutability such as [`std::cell::Cell`] or + /// [`std::cell::RefCell`] etc. + pub fn is_interior_mut_ty(&mut self, cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool { + match self.tys.entry(ty) { + Entry::Occupied(o) => return *o.get() == Some(true), + // Temporarily insert a `None` to break cycles + Entry::Vacant(v) => v.insert(None), + }; + + let interior_mut = match *ty.kind() { + ty::RawPtr(inner_ty, _) if !self.ignore_pointers => self.is_interior_mut_ty(cx, inner_ty), + ty::Ref(_, inner_ty, _) | ty::Slice(inner_ty) => self.is_interior_mut_ty(cx, inner_ty), + ty::Array(inner_ty, size) => { + size.try_eval_target_usize(cx.tcx, cx.param_env) + .map_or(true, |u| u != 0) + && self.is_interior_mut_ty(cx, inner_ty) + }, + ty::Tuple(fields) => fields.iter().any(|ty| self.is_interior_mut_ty(cx, ty)), + ty::Adt(def, _) if def.is_unsafe_cell() => true, + ty::Adt(def, args) => { + let is_std_collection = matches!( + cx.tcx.get_diagnostic_name(def.did()), + Some( + sym::LinkedList + | sym::Vec + | sym::VecDeque + | sym::BTreeMap + | sym::BTreeSet + | sym::HashMap + | sym::HashSet + | sym::Arc + | sym::Rc + ) + ); + + if is_std_collection || def.is_box() { + // Include the types from std collections that are behind pointers internally + args.types().any(|ty| self.is_interior_mut_ty(cx, ty)) + } else if self.ignored_def_ids.contains(&def.did()) || def.is_phantom_data() { + false + } else { + def.all_fields() + .any(|f| self.is_interior_mut_ty(cx, f.ty(cx.tcx, args))) + } + }, + _ => false, + }; + + self.tys.insert(ty, Some(interior_mut)); + interior_mut } } diff --git a/declare_clippy_lint/Cargo.toml b/declare_clippy_lint/Cargo.toml index 9a3a41e1d1ea..c8c734c3a7c9 100644 --- a/declare_clippy_lint/Cargo.toml +++ b/declare_clippy_lint/Cargo.toml @@ -1,6 +1,6 @@ [package] name = "declare_clippy_lint" -version = "0.1.79" +version = "0.1.80" edition = "2021" publish = false diff --git a/rust-toolchain b/rust-toolchain index 521c0d12983d..055f305eb8e1 100644 --- a/rust-toolchain +++ b/rust-toolchain @@ -1,3 +1,3 @@ [toolchain] -channel = "nightly-2024-04-18" +channel = "nightly-2024-05-02" components = ["cargo", "llvm-tools", "rust-src", "rust-std", "rustc", "rustc-dev", "rustfmt"] diff --git a/tests/compile-test.rs b/tests/compile-test.rs index 32a31f5e0823..b06a11702ec8 100644 --- a/tests/compile-test.rs +++ b/tests/compile-test.rs @@ -4,6 +4,7 @@ #![warn(rust_2018_idioms, unused_lifetimes)] #![allow(unused_extern_crates)] +use ui_test::custom_flags::rustfix::RustfixMode; use ui_test::spanned::Spanned; use ui_test::{status_emitter, Args, CommandBuilder, Config, Match, Mode, OutputConflictHandling}; @@ -122,10 +123,11 @@ fn base_config(test_dir: &str) -> (Config, Args) { out_dir: target_dir.join("ui_test"), ..Config::rustc(Path::new("tests").join(test_dir)) }; - config.comment_defaults.base().mode = Some(Spanned::dummy(Mode::Yolo { - rustfix: ui_test::RustfixMode::Everything, - })) - .into(); + config.comment_defaults.base().mode = Some(Spanned::dummy(Mode::Yolo)).into(); + config + .comment_defaults + .base() + .set_custom("rustfix", RustfixMode::Everything); config.comment_defaults.base().diagnostic_code_prefix = Some(Spanned::dummy("clippy::".into())).into(); config.with_args(&args); let current_exe_path = env::current_exe().unwrap(); @@ -235,13 +237,12 @@ fn run_ui_cargo() { .push(("RUSTFLAGS".into(), Some("-Dwarnings".into()))); // We need to do this while we still have a rustc in the `program` field. config.fill_host_and_target().unwrap(); - config.dependencies_crate_manifest_path = None; config.program.program.set_file_name(if cfg!(windows) { "cargo-clippy.exe" } else { "cargo-clippy" }); - config.comment_defaults.base().edition = Default::default(); + config.comment_defaults.base().custom.clear(); config .comment_defaults diff --git a/tests/ui-toml/mut_key/mut_key.rs b/tests/ui-toml/mut_key/mut_key.rs index 095e0d15448a..3a8e3741e20c 100644 --- a/tests/ui-toml/mut_key/mut_key.rs +++ b/tests/ui-toml/mut_key/mut_key.rs @@ -44,10 +44,18 @@ impl Deref for Counted { } } +#[derive(Hash, PartialEq, Eq)] +struct ContainsCounted { + inner: Counted, +} + // This is not linted because `"mut_key::Counted"` is in // `arc_like_types` in `clippy.toml` fn should_not_take_this_arg(_v: HashSet>) {} +fn indirect(_: HashMap) {} + fn main() { should_not_take_this_arg(HashSet::new()); + indirect(HashMap::new()); } diff --git a/tests/ui-toml/toml_unknown_key/conf_unknown_key.stderr b/tests/ui-toml/toml_unknown_key/conf_unknown_key.stderr index 24645b61fdb0..722e9b3bc8d4 100644 --- a/tests/ui-toml/toml_unknown_key/conf_unknown_key.stderr +++ b/tests/ui-toml/toml_unknown_key/conf_unknown_key.stderr @@ -11,6 +11,7 @@ error: error reading Clippy's configuration file: unknown field `foobar`, expect allow-print-in-tests allow-private-module-inception allow-unwrap-in-tests + allow-useless-vec-in-tests allowed-dotfiles allowed-duplicate-crates allowed-idents-below-min-chars @@ -91,6 +92,7 @@ error: error reading Clippy's configuration file: unknown field `barfoo`, expect allow-print-in-tests allow-private-module-inception allow-unwrap-in-tests + allow-useless-vec-in-tests allowed-dotfiles allowed-duplicate-crates allowed-idents-below-min-chars @@ -171,6 +173,7 @@ error: error reading Clippy's configuration file: unknown field `allow_mixed_uni allow-print-in-tests allow-private-module-inception allow-unwrap-in-tests + allow-useless-vec-in-tests allowed-dotfiles allowed-duplicate-crates allowed-idents-below-min-chars diff --git a/tests/ui-toml/useless_vec/clippy.toml b/tests/ui-toml/useless_vec/clippy.toml new file mode 100644 index 000000000000..230ca2d0ab72 --- /dev/null +++ b/tests/ui-toml/useless_vec/clippy.toml @@ -0,0 +1 @@ +allow-useless-vec-in-tests = true diff --git a/tests/ui-toml/useless_vec/useless_vec.fixed b/tests/ui-toml/useless_vec/useless_vec.fixed new file mode 100644 index 000000000000..08323a0dcc90 --- /dev/null +++ b/tests/ui-toml/useless_vec/useless_vec.fixed @@ -0,0 +1,26 @@ +//@compile-flags: --test +#![warn(clippy::useless_vec)] +#![allow(clippy::unnecessary_operation, clippy::no_effect)] + +fn foo(_: &[u32]) {} + +fn main() { + foo(&[1_u32]); +} + +#[test] +pub fn in_test() { + foo(&vec![2_u32]); +} + +#[cfg(test)] +fn in_cfg_test() { + foo(&vec![3_u32]); +} + +#[cfg(test)] +mod mod1 { + fn in_cfg_test_mod() { + super::foo(&vec![4_u32]); + } +} diff --git a/tests/ui-toml/useless_vec/useless_vec.rs b/tests/ui-toml/useless_vec/useless_vec.rs new file mode 100644 index 000000000000..1f4b27c53429 --- /dev/null +++ b/tests/ui-toml/useless_vec/useless_vec.rs @@ -0,0 +1,26 @@ +//@compile-flags: --test +#![warn(clippy::useless_vec)] +#![allow(clippy::unnecessary_operation, clippy::no_effect)] + +fn foo(_: &[u32]) {} + +fn main() { + foo(&vec![1_u32]); +} + +#[test] +pub fn in_test() { + foo(&vec![2_u32]); +} + +#[cfg(test)] +fn in_cfg_test() { + foo(&vec![3_u32]); +} + +#[cfg(test)] +mod mod1 { + fn in_cfg_test_mod() { + super::foo(&vec![4_u32]); + } +} diff --git a/tests/ui-toml/useless_vec/useless_vec.stderr b/tests/ui-toml/useless_vec/useless_vec.stderr new file mode 100644 index 000000000000..633110c3c8d9 --- /dev/null +++ b/tests/ui-toml/useless_vec/useless_vec.stderr @@ -0,0 +1,11 @@ +error: useless use of `vec!` + --> tests/ui-toml/useless_vec/useless_vec.rs:8:9 + | +LL | foo(&vec![1_u32]); + | ^^^^^^^^^^^^ help: you can use a slice directly: `&[1_u32]` + | + = note: `-D clippy::useless-vec` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::useless_vec)]` + +error: aborting due to 1 previous error + diff --git a/tests/ui/arithmetic_side_effects.rs b/tests/ui/arithmetic_side_effects.rs index fdec14a1528f..66d71f337f2f 100644 --- a/tests/ui/arithmetic_side_effects.rs +++ b/tests/ui/arithmetic_side_effects.rs @@ -521,4 +521,14 @@ pub fn issue_11393() { example_rem(x, maybe_zero); } +pub fn issue_12318() { + use core::ops::{AddAssign, DivAssign, MulAssign, RemAssign, SubAssign}; + let mut one: i32 = 1; + one.add_assign(1); + one.div_assign(1); + one.mul_assign(1); + one.rem_assign(1); + one.sub_assign(1); +} + fn main() {} diff --git a/tests/ui/arithmetic_side_effects.stderr b/tests/ui/arithmetic_side_effects.stderr index 741c892a52cf..8039c0bfa248 100644 --- a/tests/ui/arithmetic_side_effects.stderr +++ b/tests/ui/arithmetic_side_effects.stderr @@ -715,5 +715,17 @@ error: arithmetic operation that can potentially result in unexpected side-effec LL | x % maybe_zero | ^^^^^^^^^^^^^^ -error: aborting due to 119 previous errors +error: arithmetic operation that can potentially result in unexpected side-effects + --> tests/ui/arithmetic_side_effects.rs:527:5 + | +LL | one.add_assign(1); + | ^^^^^^^^^^^^^^^^^ + +error: arithmetic operation that can potentially result in unexpected side-effects + --> tests/ui/arithmetic_side_effects.rs:531:5 + | +LL | one.sub_assign(1); + | ^^^^^^^^^^^^^^^^^ + +error: aborting due to 121 previous errors diff --git a/tests/ui/auxiliary/proc_macros.rs b/tests/ui/auxiliary/proc_macros.rs index 3303eb145678..6e6919cd295c 100644 --- a/tests/ui/auxiliary/proc_macros.rs +++ b/tests/ui/auxiliary/proc_macros.rs @@ -9,6 +9,7 @@ use proc_macro::token_stream::IntoIter; use proc_macro::Delimiter::{self, Brace, Parenthesis}; use proc_macro::Spacing::{self, Alone, Joint}; use proc_macro::{Group, Ident, Literal, Punct, Span, TokenStream, TokenTree as TT}; +use syn::spanned::Spanned; type Result = core::result::Result; @@ -124,6 +125,22 @@ fn write_with_span(s: Span, mut input: IntoIter, out: &mut TokenStream) -> Resul Ok(()) } +/// Takes an array repeat expression such as `[0_u32; 2]`, and return the tokens with 10 times the +/// original size, which turns to `[0_u32; 20]`. +#[proc_macro] +pub fn make_it_big(input: TokenStream) -> TokenStream { + let mut expr_repeat = syn::parse_macro_input!(input as syn::ExprRepeat); + let len_span = expr_repeat.len.span(); + if let syn::Expr::Lit(expr_lit) = &mut *expr_repeat.len { + if let syn::Lit::Int(lit_int) = &expr_lit.lit { + let orig_val = lit_int.base10_parse::().expect("not a valid length parameter"); + let new_val = orig_val.saturating_mul(10); + expr_lit.lit = syn::parse_quote_spanned!( len_span => #new_val); + } + } + quote::quote!(#expr_repeat).into() +} + /// Within the item this attribute is attached to, an `inline!` macro is available which expands the /// contained tokens as though they came from a macro expansion. /// diff --git a/tests/ui/borrow_interior_mutable_const/traits.rs b/tests/ui/borrow_interior_mutable_const/traits.rs index 4da3833cbf5a..5570e7cd6d2e 100644 --- a/tests/ui/borrow_interior_mutable_const/traits.rs +++ b/tests/ui/borrow_interior_mutable_const/traits.rs @@ -158,7 +158,7 @@ trait BothOfCellAndGeneric { const INDIRECT: Cell<*const T>; fn function() { - let _ = &Self::DIRECT; + let _ = &Self::DIRECT; //~ ERROR: interior mutability let _ = &Self::INDIRECT; //~ ERROR: interior mutability } } @@ -168,7 +168,7 @@ impl BothOfCellAndGeneric for Vec { const INDIRECT: Cell<*const T> = Cell::new(std::ptr::null()); fn function() { - let _ = &Self::DIRECT; + let _ = &Self::DIRECT; //~ ERROR: interior mutability let _ = &Self::INDIRECT; //~ ERROR: interior mutability } } diff --git a/tests/ui/borrow_interior_mutable_const/traits.stderr b/tests/ui/borrow_interior_mutable_const/traits.stderr index 582b744b49ff..8602b46b0dcf 100644 --- a/tests/ui/borrow_interior_mutable_const/traits.stderr +++ b/tests/ui/borrow_interior_mutable_const/traits.stderr @@ -75,6 +75,14 @@ LL | let _ = &Self::WRAPPED_SELF; | = help: assign this const to a local or static variable, and use the variable here +error: a `const` item with interior mutability should not be borrowed + --> tests/ui/borrow_interior_mutable_const/traits.rs:161:18 + | +LL | let _ = &Self::DIRECT; + | ^^^^^^^^^^^^ + | + = help: assign this const to a local or static variable, and use the variable here + error: a `const` item with interior mutability should not be borrowed --> tests/ui/borrow_interior_mutable_const/traits.rs:162:18 | @@ -83,6 +91,14 @@ LL | let _ = &Self::INDIRECT; | = help: assign this const to a local or static variable, and use the variable here +error: a `const` item with interior mutability should not be borrowed + --> tests/ui/borrow_interior_mutable_const/traits.rs:171:18 + | +LL | let _ = &Self::DIRECT; + | ^^^^^^^^^^^^ + | + = help: assign this const to a local or static variable, and use the variable here + error: a `const` item with interior mutability should not be borrowed --> tests/ui/borrow_interior_mutable_const/traits.rs:172:18 | @@ -123,5 +139,5 @@ LL | assert_eq!(u64::ATOMIC.load(Ordering::SeqCst), 9); | = help: assign this const to a local or static variable, and use the variable here -error: aborting due to 15 previous errors +error: aborting due to 17 previous errors diff --git a/tests/ui/box_default.fixed b/tests/ui/box_default.fixed index 6c2896b3aa0f..1f2f57c2507d 100644 --- a/tests/ui/box_default.fixed +++ b/tests/ui/box_default.fixed @@ -65,6 +65,8 @@ fn main() { // Would have a suggestion after https://github.com/rust-lang/rust/blob/fdd030127cc68afec44a8d3f6341525dd34e50ae/compiler/rustc_middle/src/ty/diagnostics.rs#L554-L563 let mut unnameable = Box::new(Option::default()); let _ = unnameable.insert(|| {}); + + let _ = Box::into_raw(Box::new(String::default())); } fn ret_ty_fn() -> Box { @@ -75,6 +77,16 @@ fn call_ty_fn(_b: Box) { issue_9621_dyn_trait(); } +struct X(T); + +impl X { + fn x(_: Box) {} + + fn same_generic_param() { + Self::x(Box::default()); + } +} + use std::io::{Read, Result}; impl Read for ImplementsDefault { diff --git a/tests/ui/box_default.rs b/tests/ui/box_default.rs index e19a62a90221..addfebc24f58 100644 --- a/tests/ui/box_default.rs +++ b/tests/ui/box_default.rs @@ -65,6 +65,8 @@ fn main() { // Would have a suggestion after https://github.com/rust-lang/rust/blob/fdd030127cc68afec44a8d3f6341525dd34e50ae/compiler/rustc_middle/src/ty/diagnostics.rs#L554-L563 let mut unnameable = Box::new(Option::default()); let _ = unnameable.insert(|| {}); + + let _ = Box::into_raw(Box::new(String::default())); } fn ret_ty_fn() -> Box { @@ -75,6 +77,16 @@ fn call_ty_fn(_b: Box) { issue_9621_dyn_trait(); } +struct X(T); + +impl X { + fn x(_: Box) {} + + fn same_generic_param() { + Self::x(Box::new(T::default())); + } +} + use std::io::{Read, Result}; impl Read for ImplementsDefault { diff --git a/tests/ui/box_default.stderr b/tests/ui/box_default.stderr index f172a875dce4..39fd0d29bbf9 100644 --- a/tests/ui/box_default.stderr +++ b/tests/ui/box_default.stderr @@ -55,5 +55,11 @@ error: `Box::new(_)` of default value LL | call_ty_fn(Box::new(u8::default())); | ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `Box::default()` -error: aborting due to 9 previous errors +error: `Box::new(_)` of default value + --> tests/ui/box_default.rs:86:17 + | +LL | Self::x(Box::new(T::default())); + | ^^^^^^^^^^^^^^^^^^^^^^ help: try: `Box::default()` + +error: aborting due to 10 previous errors diff --git a/tests/ui/cast.rs b/tests/ui/cast.rs index 215c008902d2..453d62ce6075 100644 --- a/tests/ui/cast.rs +++ b/tests/ui/cast.rs @@ -13,7 +13,8 @@ clippy::cast_abs_to_unsigned, clippy::no_effect, clippy::unnecessary_operation, - clippy::unnecessary_literal_unwrap + clippy::unnecessary_literal_unwrap, + clippy::identity_op )] fn main() { @@ -479,3 +480,21 @@ fn issue12506() -> usize { let bar: Result, u32> = Ok(Some(10)); bar.unwrap().unwrap() as usize } + +fn issue12721() { + fn x() -> u64 { + u64::MAX + } + + // Don't lint. + (255 & 999999u64) as u8; + // Don't lint. + let _ = ((x() & 255) & 999999) as u8; + // Don't lint. + let _ = (999999 & (x() & 255)) as u8; + + (256 & 999999u64) as u8; + //~^ ERROR: casting `u64` to `u8` may truncate the value + (255 % 999999u64) as u8; + //~^ ERROR: casting `u64` to `u8` may truncate the value +} diff --git a/tests/ui/cast.stderr b/tests/ui/cast.stderr index 8b269c471765..43c0d8f4ed73 100644 --- a/tests/ui/cast.stderr +++ b/tests/ui/cast.stderr @@ -1,5 +1,5 @@ error: casting `i32` to `f32` causes a loss of precision (`i32` is 32 bits wide, but `f32`'s mantissa is only 23 bits wide) - --> tests/ui/cast.rs:22:5 + --> tests/ui/cast.rs:23:5 | LL | x0 as f32; | ^^^^^^^^^ @@ -8,37 +8,37 @@ LL | x0 as f32; = help: to override `-D warnings` add `#[allow(clippy::cast_precision_loss)]` error: casting `i64` to `f32` causes a loss of precision (`i64` is 64 bits wide, but `f32`'s mantissa is only 23 bits wide) - --> tests/ui/cast.rs:26:5 + --> tests/ui/cast.rs:27:5 | LL | x1 as f32; | ^^^^^^^^^ error: casting `i64` to `f64` causes a loss of precision (`i64` is 64 bits wide, but `f64`'s mantissa is only 52 bits wide) - --> tests/ui/cast.rs:28:5 + --> tests/ui/cast.rs:29:5 | LL | x1 as f64; | ^^^^^^^^^ error: casting `u32` to `f32` causes a loss of precision (`u32` is 32 bits wide, but `f32`'s mantissa is only 23 bits wide) - --> tests/ui/cast.rs:31:5 + --> tests/ui/cast.rs:32:5 | LL | x2 as f32; | ^^^^^^^^^ error: casting `u64` to `f32` causes a loss of precision (`u64` is 64 bits wide, but `f32`'s mantissa is only 23 bits wide) - --> tests/ui/cast.rs:34:5 + --> tests/ui/cast.rs:35:5 | LL | x3 as f32; | ^^^^^^^^^ error: casting `u64` to `f64` causes a loss of precision (`u64` is 64 bits wide, but `f64`'s mantissa is only 52 bits wide) - --> tests/ui/cast.rs:36:5 + --> tests/ui/cast.rs:37:5 | LL | x3 as f64; | ^^^^^^^^^ error: casting `f32` to `i32` may truncate the value - --> tests/ui/cast.rs:39:5 + --> tests/ui/cast.rs:40:5 | LL | 1f32 as i32; | ^^^^^^^^^^^ @@ -48,7 +48,7 @@ LL | 1f32 as i32; = help: to override `-D warnings` add `#[allow(clippy::cast_possible_truncation)]` error: casting `f32` to `u32` may truncate the value - --> tests/ui/cast.rs:41:5 + --> tests/ui/cast.rs:42:5 | LL | 1f32 as u32; | ^^^^^^^^^^^ @@ -56,7 +56,7 @@ LL | 1f32 as u32; = help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ... error: casting `f32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:41:5 + --> tests/ui/cast.rs:42:5 | LL | 1f32 as u32; | ^^^^^^^^^^^ @@ -65,7 +65,7 @@ LL | 1f32 as u32; = help: to override `-D warnings` add `#[allow(clippy::cast_sign_loss)]` error: casting `f64` to `f32` may truncate the value - --> tests/ui/cast.rs:45:5 + --> tests/ui/cast.rs:46:5 | LL | 1f64 as f32; | ^^^^^^^^^^^ @@ -73,7 +73,7 @@ LL | 1f64 as f32; = help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ... error: casting `i32` to `i8` may truncate the value - --> tests/ui/cast.rs:47:5 + --> tests/ui/cast.rs:48:5 | LL | 1i32 as i8; | ^^^^^^^^^^ @@ -85,7 +85,7 @@ LL | i8::try_from(1i32); | ~~~~~~~~~~~~~~~~~~ error: casting `i32` to `u8` may truncate the value - --> tests/ui/cast.rs:49:5 + --> tests/ui/cast.rs:50:5 | LL | 1i32 as u8; | ^^^^^^^^^^ @@ -97,7 +97,7 @@ LL | u8::try_from(1i32); | ~~~~~~~~~~~~~~~~~~ error: casting `f64` to `isize` may truncate the value - --> tests/ui/cast.rs:51:5 + --> tests/ui/cast.rs:52:5 | LL | 1f64 as isize; | ^^^^^^^^^^^^^ @@ -105,7 +105,7 @@ LL | 1f64 as isize; = help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ... error: casting `f64` to `usize` may truncate the value - --> tests/ui/cast.rs:53:5 + --> tests/ui/cast.rs:54:5 | LL | 1f64 as usize; | ^^^^^^^^^^^^^ @@ -113,13 +113,13 @@ LL | 1f64 as usize; = help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ... error: casting `f64` to `usize` may lose the sign of the value - --> tests/ui/cast.rs:53:5 + --> tests/ui/cast.rs:54:5 | LL | 1f64 as usize; | ^^^^^^^^^^^^^ error: casting `u32` to `u16` may truncate the value - --> tests/ui/cast.rs:56:5 + --> tests/ui/cast.rs:57:5 | LL | 1f32 as u32 as u16; | ^^^^^^^^^^^^^^^^^^ @@ -131,7 +131,7 @@ LL | u16::try_from(1f32 as u32); | ~~~~~~~~~~~~~~~~~~~~~~~~~~ error: casting `f32` to `u32` may truncate the value - --> tests/ui/cast.rs:56:5 + --> tests/ui/cast.rs:57:5 | LL | 1f32 as u32 as u16; | ^^^^^^^^^^^ @@ -139,13 +139,13 @@ LL | 1f32 as u32 as u16; = help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ... error: casting `f32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:56:5 + --> tests/ui/cast.rs:57:5 | LL | 1f32 as u32 as u16; | ^^^^^^^^^^^ error: casting `i32` to `i8` may truncate the value - --> tests/ui/cast.rs:61:22 + --> tests/ui/cast.rs:62:22 | LL | let _x: i8 = 1i32 as _; | ^^^^^^^^^ @@ -157,7 +157,7 @@ LL | let _x: i8 = 1i32.try_into(); | ~~~~~~~~~~~~~~~ error: casting `f32` to `i32` may truncate the value - --> tests/ui/cast.rs:63:9 + --> tests/ui/cast.rs:64:9 | LL | 1f32 as i32; | ^^^^^^^^^^^ @@ -165,7 +165,7 @@ LL | 1f32 as i32; = help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ... error: casting `f64` to `i32` may truncate the value - --> tests/ui/cast.rs:65:9 + --> tests/ui/cast.rs:66:9 | LL | 1f64 as i32; | ^^^^^^^^^^^ @@ -173,7 +173,7 @@ LL | 1f64 as i32; = help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ... error: casting `f32` to `u8` may truncate the value - --> tests/ui/cast.rs:67:9 + --> tests/ui/cast.rs:68:9 | LL | 1f32 as u8; | ^^^^^^^^^^ @@ -181,13 +181,13 @@ LL | 1f32 as u8; = help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ... error: casting `f32` to `u8` may lose the sign of the value - --> tests/ui/cast.rs:67:9 + --> tests/ui/cast.rs:68:9 | LL | 1f32 as u8; | ^^^^^^^^^^ error: casting `u8` to `i8` may wrap around the value - --> tests/ui/cast.rs:72:5 + --> tests/ui/cast.rs:73:5 | LL | 1u8 as i8; | ^^^^^^^^^ @@ -196,31 +196,31 @@ LL | 1u8 as i8; = help: to override `-D warnings` add `#[allow(clippy::cast_possible_wrap)]` error: casting `u16` to `i16` may wrap around the value - --> tests/ui/cast.rs:75:5 + --> tests/ui/cast.rs:76:5 | LL | 1u16 as i16; | ^^^^^^^^^^^ error: casting `u32` to `i32` may wrap around the value - --> tests/ui/cast.rs:77:5 + --> tests/ui/cast.rs:78:5 | LL | 1u32 as i32; | ^^^^^^^^^^^ error: casting `u64` to `i64` may wrap around the value - --> tests/ui/cast.rs:79:5 + --> tests/ui/cast.rs:80:5 | LL | 1u64 as i64; | ^^^^^^^^^^^ error: casting `usize` to `isize` may wrap around the value - --> tests/ui/cast.rs:81:5 + --> tests/ui/cast.rs:82:5 | LL | 1usize as isize; | ^^^^^^^^^^^^^^^ error: casting `usize` to `i8` may truncate the value - --> tests/ui/cast.rs:84:5 + --> tests/ui/cast.rs:85:5 | LL | 1usize as i8; | ^^^^^^^^^^^^ @@ -232,7 +232,7 @@ LL | i8::try_from(1usize); | ~~~~~~~~~~~~~~~~~~~~ error: casting `usize` to `i16` may truncate the value - --> tests/ui/cast.rs:87:5 + --> tests/ui/cast.rs:88:5 | LL | 1usize as i16; | ^^^^^^^^^^^^^ @@ -244,7 +244,7 @@ LL | i16::try_from(1usize); | ~~~~~~~~~~~~~~~~~~~~~ error: casting `usize` to `i16` may wrap around the value on targets with 16-bit wide pointers - --> tests/ui/cast.rs:87:5 + --> tests/ui/cast.rs:88:5 | LL | 1usize as i16; | ^^^^^^^^^^^^^ @@ -253,7 +253,7 @@ LL | 1usize as i16; = note: for more information see https://doc.rust-lang.org/reference/types/numeric.html#machine-dependent-integer-types error: casting `usize` to `i32` may truncate the value on targets with 64-bit wide pointers - --> tests/ui/cast.rs:92:5 + --> tests/ui/cast.rs:93:5 | LL | 1usize as i32; | ^^^^^^^^^^^^^ @@ -265,19 +265,19 @@ LL | i32::try_from(1usize); | ~~~~~~~~~~~~~~~~~~~~~ error: casting `usize` to `i32` may wrap around the value on targets with 32-bit wide pointers - --> tests/ui/cast.rs:92:5 + --> tests/ui/cast.rs:93:5 | LL | 1usize as i32; | ^^^^^^^^^^^^^ error: casting `usize` to `i64` may wrap around the value on targets with 64-bit wide pointers - --> tests/ui/cast.rs:96:5 + --> tests/ui/cast.rs:97:5 | LL | 1usize as i64; | ^^^^^^^^^^^^^ error: casting `u16` to `isize` may wrap around the value on targets with 16-bit wide pointers - --> tests/ui/cast.rs:101:5 + --> tests/ui/cast.rs:102:5 | LL | 1u16 as isize; | ^^^^^^^^^^^^^ @@ -286,13 +286,13 @@ LL | 1u16 as isize; = note: for more information see https://doc.rust-lang.org/reference/types/numeric.html#machine-dependent-integer-types error: casting `u32` to `isize` may wrap around the value on targets with 32-bit wide pointers - --> tests/ui/cast.rs:105:5 + --> tests/ui/cast.rs:106:5 | LL | 1u32 as isize; | ^^^^^^^^^^^^^ error: casting `u64` to `isize` may truncate the value on targets with 32-bit wide pointers - --> tests/ui/cast.rs:108:5 + --> tests/ui/cast.rs:109:5 | LL | 1u64 as isize; | ^^^^^^^^^^^^^ @@ -304,55 +304,55 @@ LL | isize::try_from(1u64); | ~~~~~~~~~~~~~~~~~~~~~ error: casting `u64` to `isize` may wrap around the value on targets with 64-bit wide pointers - --> tests/ui/cast.rs:108:5 + --> tests/ui/cast.rs:109:5 | LL | 1u64 as isize; | ^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:113:5 + --> tests/ui/cast.rs:114:5 | LL | -1i32 as u32; | ^^^^^^^^^^^^ error: casting `isize` to `usize` may lose the sign of the value - --> tests/ui/cast.rs:116:5 + --> tests/ui/cast.rs:117:5 | LL | -1isize as usize; | ^^^^^^^^^^^^^^^^ error: casting `i8` to `u8` may lose the sign of the value - --> tests/ui/cast.rs:127:5 + --> tests/ui/cast.rs:128:5 | LL | (i8::MIN).abs() as u8; | ^^^^^^^^^^^^^^^^^^^^^ error: casting `i64` to `u64` may lose the sign of the value - --> tests/ui/cast.rs:131:5 + --> tests/ui/cast.rs:132:5 | LL | (-1i64).abs() as u64; | ^^^^^^^^^^^^^^^^^^^^ error: casting `isize` to `usize` may lose the sign of the value - --> tests/ui/cast.rs:132:5 + --> tests/ui/cast.rs:133:5 | LL | (-1isize).abs() as usize; | ^^^^^^^^^^^^^^^^^^^^^^^^ error: casting `i64` to `u64` may lose the sign of the value - --> tests/ui/cast.rs:139:5 + --> tests/ui/cast.rs:140:5 | LL | (unsafe { (-1i64).checked_abs().unwrap_unchecked() }) as u64; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: casting `i64` to `u64` may lose the sign of the value - --> tests/ui/cast.rs:154:5 + --> tests/ui/cast.rs:155:5 | LL | (unsafe { (-1i64).checked_isqrt().unwrap_unchecked() }) as u64; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: casting `i64` to `i8` may truncate the value - --> tests/ui/cast.rs:205:5 + --> tests/ui/cast.rs:206:5 | LL | (-99999999999i64).min(1) as i8; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -364,7 +364,7 @@ LL | i8::try_from((-99999999999i64).min(1)); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: casting `u64` to `u8` may truncate the value - --> tests/ui/cast.rs:219:5 + --> tests/ui/cast.rs:220:5 | LL | 999999u64.clamp(0, 256) as u8; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -376,7 +376,7 @@ LL | u8::try_from(999999u64.clamp(0, 256)); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: casting `main::E2` to `u8` may truncate the value - --> tests/ui/cast.rs:242:21 + --> tests/ui/cast.rs:243:21 | LL | let _ = self as u8; | ^^^^^^^^^^ @@ -388,7 +388,7 @@ LL | let _ = u8::try_from(self); | ~~~~~~~~~~~~~~~~~~ error: casting `main::E2::B` to `u8` will truncate the value - --> tests/ui/cast.rs:244:21 + --> tests/ui/cast.rs:245:21 | LL | let _ = Self::B as u8; | ^^^^^^^^^^^^^ @@ -397,7 +397,7 @@ LL | let _ = Self::B as u8; = help: to override `-D warnings` add `#[allow(clippy::cast_enum_truncation)]` error: casting `main::E5` to `i8` may truncate the value - --> tests/ui/cast.rs:286:21 + --> tests/ui/cast.rs:287:21 | LL | let _ = self as i8; | ^^^^^^^^^^ @@ -409,13 +409,13 @@ LL | let _ = i8::try_from(self); | ~~~~~~~~~~~~~~~~~~ error: casting `main::E5::A` to `i8` will truncate the value - --> tests/ui/cast.rs:288:21 + --> tests/ui/cast.rs:289:21 | LL | let _ = Self::A as i8; | ^^^^^^^^^^^^^ error: casting `main::E6` to `i16` may truncate the value - --> tests/ui/cast.rs:305:21 + --> tests/ui/cast.rs:306:21 | LL | let _ = self as i16; | ^^^^^^^^^^^ @@ -427,7 +427,7 @@ LL | let _ = i16::try_from(self); | ~~~~~~~~~~~~~~~~~~~ error: casting `main::E7` to `usize` may truncate the value on targets with 32-bit wide pointers - --> tests/ui/cast.rs:324:21 + --> tests/ui/cast.rs:325:21 | LL | let _ = self as usize; | ^^^^^^^^^^^^^ @@ -439,7 +439,7 @@ LL | let _ = usize::try_from(self); | ~~~~~~~~~~~~~~~~~~~~~ error: casting `main::E10` to `u16` may truncate the value - --> tests/ui/cast.rs:371:21 + --> tests/ui/cast.rs:372:21 | LL | let _ = self as u16; | ^^^^^^^^^^^ @@ -451,7 +451,7 @@ LL | let _ = u16::try_from(self); | ~~~~~~~~~~~~~~~~~~~ error: casting `u32` to `u8` may truncate the value - --> tests/ui/cast.rs:382:13 + --> tests/ui/cast.rs:383:13 | LL | let c = (q >> 16) as u8; | ^^^^^^^^^^^^^^^ @@ -463,7 +463,7 @@ LL | let c = u8::try_from(q >> 16); | ~~~~~~~~~~~~~~~~~~~~~ error: casting `u32` to `u8` may truncate the value - --> tests/ui/cast.rs:386:13 + --> tests/ui/cast.rs:387:13 | LL | let c = (q / 1000) as u8; | ^^^^^^^^^^^^^^^^ @@ -475,85 +475,85 @@ LL | let c = u8::try_from(q / 1000); | ~~~~~~~~~~~~~~~~~~~~~~ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:398:9 + --> tests/ui/cast.rs:399:9 | LL | (x * x) as u32; | ^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:403:32 + --> tests/ui/cast.rs:404:32 | LL | let _a = |x: i32| -> u32 { (x * x * x * x) as u32 }; | ^^^^^^^^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:405:5 + --> tests/ui/cast.rs:406:5 | LL | (2_i32).checked_pow(3).unwrap() as u32; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:406:5 + --> tests/ui/cast.rs:407:5 | LL | (-2_i32).pow(3) as u32; | ^^^^^^^^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:411:5 + --> tests/ui/cast.rs:412:5 | LL | (-5_i32 % 2) as u32; | ^^^^^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:413:5 + --> tests/ui/cast.rs:414:5 | LL | (-5_i32 % -2) as u32; | ^^^^^^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:416:5 + --> tests/ui/cast.rs:417:5 | LL | (-2_i32 >> 1) as u32; | ^^^^^^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:420:5 + --> tests/ui/cast.rs:421:5 | LL | (x * x) as u32; | ^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:421:5 + --> tests/ui/cast.rs:422:5 | LL | (x * x * x) as u32; | ^^^^^^^^^^^^^^^^^^ error: casting `i16` to `u16` may lose the sign of the value - --> tests/ui/cast.rs:425:5 + --> tests/ui/cast.rs:426:5 | LL | (y * y * y * y * -2) as u16; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: casting `i16` to `u16` may lose the sign of the value - --> tests/ui/cast.rs:427:5 + --> tests/ui/cast.rs:428:5 | LL | (y * y * y / y * 2) as u16; | ^^^^^^^^^^^^^^^^^^^^^^^^^^ error: casting `i16` to `u16` may lose the sign of the value - --> tests/ui/cast.rs:428:5 + --> tests/ui/cast.rs:429:5 | LL | (y * y / y * 2) as u16; | ^^^^^^^^^^^^^^^^^^^^^^ error: casting `i16` to `u16` may lose the sign of the value - --> tests/ui/cast.rs:430:5 + --> tests/ui/cast.rs:431:5 | LL | (y / y * y * -2) as u16; | ^^^^^^^^^^^^^^^^^^^^^^^ error: equal expressions as operands to `/` - --> tests/ui/cast.rs:430:6 + --> tests/ui/cast.rs:431:6 | LL | (y / y * y * -2) as u16; | ^^^^^ @@ -561,97 +561,97 @@ LL | (y / y * y * -2) as u16; = note: `#[deny(clippy::eq_op)]` on by default error: casting `i16` to `u16` may lose the sign of the value - --> tests/ui/cast.rs:433:5 + --> tests/ui/cast.rs:434:5 | LL | (y + y + y + -2) as u16; | ^^^^^^^^^^^^^^^^^^^^^^^ error: casting `i16` to `u16` may lose the sign of the value - --> tests/ui/cast.rs:435:5 + --> tests/ui/cast.rs:436:5 | LL | (y + y + y + 2) as u16; | ^^^^^^^^^^^^^^^^^^^^^^ error: casting `i16` to `u16` may lose the sign of the value - --> tests/ui/cast.rs:439:5 + --> tests/ui/cast.rs:440:5 | LL | (z + -2) as u16; | ^^^^^^^^^^^^^^^ error: casting `i16` to `u16` may lose the sign of the value - --> tests/ui/cast.rs:441:5 + --> tests/ui/cast.rs:442:5 | LL | (z + z + 2) as u16; | ^^^^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:444:9 + --> tests/ui/cast.rs:445:9 | LL | (a * a * b * b * c * c) as u32; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:445:9 + --> tests/ui/cast.rs:446:9 | LL | (a * b * c) as u32; | ^^^^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:447:9 + --> tests/ui/cast.rs:448:9 | LL | (a * -b * c) as u32; | ^^^^^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:449:9 + --> tests/ui/cast.rs:450:9 | LL | (a * b * c * c) as u32; | ^^^^^^^^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:450:9 + --> tests/ui/cast.rs:451:9 | LL | (a * -2) as u32; | ^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:452:9 + --> tests/ui/cast.rs:453:9 | LL | (a * b * c * -2) as u32; | ^^^^^^^^^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:454:9 + --> tests/ui/cast.rs:455:9 | LL | (a / b) as u32; | ^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:455:9 + --> tests/ui/cast.rs:456:9 | LL | (a / b * c) as u32; | ^^^^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:457:9 + --> tests/ui/cast.rs:458:9 | LL | (a / b + b * c) as u32; | ^^^^^^^^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:459:9 + --> tests/ui/cast.rs:460:9 | LL | a.saturating_pow(3) as u32; | ^^^^^^^^^^^^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:461:9 + --> tests/ui/cast.rs:462:9 | LL | (a.abs() * b.pow(2) / c.abs()) as u32 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: casting `i32` to `u32` may lose the sign of the value - --> tests/ui/cast.rs:469:21 + --> tests/ui/cast.rs:470:21 | LL | let _ = i32::MIN as u32; // cast_sign_loss | ^^^^^^^^^^^^^^^ @@ -662,7 +662,7 @@ LL | m!(); = note: this error originates in the macro `m` (in Nightly builds, run with -Z macro-backtrace for more info) error: casting `u32` to `u8` may truncate the value - --> tests/ui/cast.rs:470:21 + --> tests/ui/cast.rs:471:21 | LL | let _ = u32::MAX as u8; // cast_possible_truncation | ^^^^^^^^^^^^^^ @@ -678,7 +678,7 @@ LL | let _ = u8::try_from(u32::MAX); // cast_possible_truncation | ~~~~~~~~~~~~~~~~~~~~~~ error: casting `f64` to `f32` may truncate the value - --> tests/ui/cast.rs:471:21 + --> tests/ui/cast.rs:472:21 | LL | let _ = std::f64::consts::PI as f32; // cast_possible_truncation | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -690,7 +690,7 @@ LL | m!(); = note: this error originates in the macro `m` (in Nightly builds, run with -Z macro-backtrace for more info) error: casting `i64` to `usize` may truncate the value on targets with 32-bit wide pointers - --> tests/ui/cast.rs:480:5 + --> tests/ui/cast.rs:481:5 | LL | bar.unwrap().unwrap() as usize | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -702,10 +702,34 @@ LL | usize::try_from(bar.unwrap().unwrap()) | error: casting `i64` to `usize` may lose the sign of the value - --> tests/ui/cast.rs:480:5 + --> tests/ui/cast.rs:481:5 | LL | bar.unwrap().unwrap() as usize | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: aborting due to 90 previous errors +error: casting `u64` to `u8` may truncate the value + --> tests/ui/cast.rs:496:5 + | +LL | (256 & 999999u64) as u8; + | ^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ... +help: ... or use `try_from` and handle the error accordingly + | +LL | u8::try_from(256 & 999999u64); + | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +error: casting `u64` to `u8` may truncate the value + --> tests/ui/cast.rs:498:5 + | +LL | (255 % 999999u64) as u8; + | ^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ... +help: ... or use `try_from` and handle the error accordingly + | +LL | u8::try_from(255 % 999999u64); + | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +error: aborting due to 92 previous errors diff --git a/tests/ui/collapsible_match.rs b/tests/ui/collapsible_match.rs index 7501fd2b0bd9..2264b560791a 100644 --- a/tests/ui/collapsible_match.rs +++ b/tests/ui/collapsible_match.rs @@ -4,7 +4,8 @@ clippy::needless_return, clippy::no_effect, clippy::single_match, - clippy::uninlined_format_args + clippy::uninlined_format_args, + clippy::let_unit_value )] fn lint_cases(opt_opt: Option>, res_opt: Result, String>) { @@ -238,13 +239,22 @@ fn negative_cases(res_opt: Result, String>, res_res: Result return, } - match make::>>() { + #[clippy::msrv = "1.52.0"] + let _ = match make::>>() { Some(val) => match val { E::A(val) | E::B(val) => foo(val), _ => return, }, _ => return, - } + }; + #[clippy::msrv = "1.53.0"] + let _ = match make::>>() { + Some(val) => match val { + E::A(val) | E::B(val) => foo(val), + _ => return, + }, + _ => return, + }; if let Ok(val) = res_opt { if let Some(n) = val { let _ = || { diff --git a/tests/ui/collapsible_match.stderr b/tests/ui/collapsible_match.stderr index 46b484ab05c4..01944baee79a 100644 --- a/tests/ui/collapsible_match.stderr +++ b/tests/ui/collapsible_match.stderr @@ -1,5 +1,5 @@ error: this `match` can be collapsed into the outer `match` - --> tests/ui/collapsible_match.rs:13:20 + --> tests/ui/collapsible_match.rs:14:20 | LL | Ok(val) => match val { | ____________________^ @@ -10,7 +10,7 @@ LL | | }, | |_________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:13:12 + --> tests/ui/collapsible_match.rs:14:12 | LL | Ok(val) => match val { | ^^^ replace this binding @@ -21,7 +21,7 @@ LL | Some(n) => foo(n), = help: to override `-D warnings` add `#[allow(clippy::collapsible_match)]` error: this `match` can be collapsed into the outer `match` - --> tests/ui/collapsible_match.rs:23:20 + --> tests/ui/collapsible_match.rs:24:20 | LL | Ok(val) => match val { | ____________________^ @@ -32,7 +32,7 @@ LL | | }, | |_________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:23:12 + --> tests/ui/collapsible_match.rs:24:12 | LL | Ok(val) => match val { | ^^^ replace this binding @@ -41,7 +41,7 @@ LL | Some(n) => foo(n), | ^^^^^^^ with this pattern error: this `if let` can be collapsed into the outer `if let` - --> tests/ui/collapsible_match.rs:33:9 + --> tests/ui/collapsible_match.rs:34:9 | LL | / if let Some(n) = val { LL | | @@ -50,7 +50,7 @@ LL | | } | |_________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:32:15 + --> tests/ui/collapsible_match.rs:33:15 | LL | if let Ok(val) = res_opt { | ^^^ replace this binding @@ -58,7 +58,7 @@ LL | if let Some(n) = val { | ^^^^^^^ with this pattern error: this `if let` can be collapsed into the outer `if let` - --> tests/ui/collapsible_match.rs:41:9 + --> tests/ui/collapsible_match.rs:42:9 | LL | / if let Some(n) = val { LL | | @@ -69,7 +69,7 @@ LL | | } | |_________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:40:15 + --> tests/ui/collapsible_match.rs:41:15 | LL | if let Ok(val) = res_opt { | ^^^ replace this binding @@ -77,7 +77,7 @@ LL | if let Some(n) = val { | ^^^^^^^ with this pattern error: this `match` can be collapsed into the outer `if let` - --> tests/ui/collapsible_match.rs:53:9 + --> tests/ui/collapsible_match.rs:54:9 | LL | / match val { LL | | @@ -87,7 +87,7 @@ LL | | } | |_________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:52:15 + --> tests/ui/collapsible_match.rs:53:15 | LL | if let Ok(val) = res_opt { | ^^^ replace this binding @@ -96,7 +96,7 @@ LL | Some(n) => foo(n), | ^^^^^^^ with this pattern error: this `if let` can be collapsed into the outer `match` - --> tests/ui/collapsible_match.rs:63:13 + --> tests/ui/collapsible_match.rs:64:13 | LL | / if let Some(n) = val { LL | | @@ -105,7 +105,7 @@ LL | | } | |_____________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:62:12 + --> tests/ui/collapsible_match.rs:63:12 | LL | Ok(val) => { | ^^^ replace this binding @@ -113,7 +113,7 @@ LL | if let Some(n) = val { | ^^^^^^^ with this pattern error: this `match` can be collapsed into the outer `if let` - --> tests/ui/collapsible_match.rs:73:9 + --> tests/ui/collapsible_match.rs:74:9 | LL | / match val { LL | | @@ -123,7 +123,7 @@ LL | | } | |_________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:72:15 + --> tests/ui/collapsible_match.rs:73:15 | LL | if let Ok(val) = res_opt { | ^^^ replace this binding @@ -132,7 +132,7 @@ LL | Some(n) => foo(n), | ^^^^^^^ with this pattern error: this `if let` can be collapsed into the outer `match` - --> tests/ui/collapsible_match.rs:85:13 + --> tests/ui/collapsible_match.rs:86:13 | LL | / if let Some(n) = val { LL | | @@ -143,7 +143,7 @@ LL | | } | |_____________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:84:12 + --> tests/ui/collapsible_match.rs:85:12 | LL | Ok(val) => { | ^^^ replace this binding @@ -151,7 +151,7 @@ LL | if let Some(n) = val { | ^^^^^^^ with this pattern error: this `match` can be collapsed into the outer `match` - --> tests/ui/collapsible_match.rs:97:20 + --> tests/ui/collapsible_match.rs:98:20 | LL | Ok(val) => match val { | ____________________^ @@ -162,7 +162,7 @@ LL | | }, | |_________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:97:12 + --> tests/ui/collapsible_match.rs:98:12 | LL | Ok(val) => match val { | ^^^ replace this binding @@ -171,7 +171,7 @@ LL | Some(n) => foo(n), | ^^^^^^^ with this pattern error: this `match` can be collapsed into the outer `match` - --> tests/ui/collapsible_match.rs:107:22 + --> tests/ui/collapsible_match.rs:108:22 | LL | Some(val) => match val { | ______________________^ @@ -182,7 +182,7 @@ LL | | }, | |_________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:107:14 + --> tests/ui/collapsible_match.rs:108:14 | LL | Some(val) => match val { | ^^^ replace this binding @@ -190,8 +190,26 @@ LL | LL | Some(n) => foo(n), | ^^^^^^^ with this pattern +error: this `match` can be collapsed into the outer `match` + --> tests/ui/collapsible_match.rs:252:22 + | +LL | Some(val) => match val { + | ______________________^ +LL | | E::A(val) | E::B(val) => foo(val), +LL | | _ => return, +LL | | }, + | |_________^ + | +help: the outer pattern can be modified to include the inner pattern + --> tests/ui/collapsible_match.rs:252:14 + | +LL | Some(val) => match val { + | ^^^ replace this binding +LL | E::A(val) | E::B(val) => foo(val), + | ^^^^^^^^^^^^^^^^^^^^^ with this pattern + error: this `if let` can be collapsed into the outer `if let` - --> tests/ui/collapsible_match.rs:273:9 + --> tests/ui/collapsible_match.rs:283:9 | LL | / if let Some(u) = a { LL | | @@ -200,7 +218,7 @@ LL | | } | |_________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:272:27 + --> tests/ui/collapsible_match.rs:282:27 | LL | if let Issue9647::A { a, .. } = x { | ^ replace this binding @@ -208,7 +226,7 @@ LL | if let Some(u) = a { | ^^^^^^^ with this pattern, prefixed by a: error: this `if let` can be collapsed into the outer `if let` - --> tests/ui/collapsible_match.rs:282:9 + --> tests/ui/collapsible_match.rs:292:9 | LL | / if let Some(u) = a { LL | | @@ -217,12 +235,12 @@ LL | | } | |_________^ | help: the outer pattern can be modified to include the inner pattern - --> tests/ui/collapsible_match.rs:281:35 + --> tests/ui/collapsible_match.rs:291:35 | LL | if let Issue9647::A { a: Some(a), .. } = x { | ^ replace this binding LL | if let Some(u) = a { | ^^^^^^^ with this pattern -error: aborting due to 12 previous errors +error: aborting due to 13 previous errors diff --git a/tests/ui/collection_is_never_read.rs b/tests/ui/collection_is_never_read.rs index bd281f7870ce..eeb10da3402a 100644 --- a/tests/ui/collection_is_never_read.rs +++ b/tests/ui/collection_is_never_read.rs @@ -222,3 +222,17 @@ fn supported_types() { //~^ ERROR: collection is never read x.push_front(1); } + +fn issue11783() { + struct Sender; + impl Sender { + fn send(&self, msg: String) -> Result<(), ()> { + // pretend to send message + println!("{msg}"); + Ok(()) + } + } + + let mut users: Vec = vec![]; + users.retain(|user| user.send("hello".to_string()).is_ok()); +} diff --git a/tests/ui/crashes/ice-5238.rs b/tests/ui/crashes/ice-5238.rs index fe03a39ad1ba..ee2ae4f1a042 100644 --- a/tests/ui/crashes/ice-5238.rs +++ b/tests/ui/crashes/ice-5238.rs @@ -3,7 +3,8 @@ #![feature(coroutines, coroutine_trait, stmt_expr_attributes)] fn main() { - let _ = #[coroutine] || { + let _ = #[coroutine] + || { yield; }; } diff --git a/tests/ui/declare_interior_mutable_const/traits.rs b/tests/ui/declare_interior_mutable_const/traits.rs index adc53891ef54..490073f97fb1 100644 --- a/tests/ui/declare_interior_mutable_const/traits.rs +++ b/tests/ui/declare_interior_mutable_const/traits.rs @@ -121,13 +121,12 @@ impl SelfType for AtomicUsize { // Even though a constant contains a generic type, if it also have an interior mutable type, // it should be linted at the definition site. trait BothOfCellAndGeneric { - // this is a false negative in the current implementation. - const DIRECT: Cell; + const DIRECT: Cell; //~ ERROR: interior mutable const INDIRECT: Cell<*const T>; //~ ERROR: interior mutable } impl BothOfCellAndGeneric for u64 { - const DIRECT: Cell = Cell::new(T::DEFAULT); + const DIRECT: Cell = Cell::new(T::DEFAULT); //~ ERROR: interior mutable const INDIRECT: Cell<*const T> = Cell::new(std::ptr::null()); } diff --git a/tests/ui/declare_interior_mutable_const/traits.stderr b/tests/ui/declare_interior_mutable_const/traits.stderr index 328453efa244..1d1e9e2002fa 100644 --- a/tests/ui/declare_interior_mutable_const/traits.stderr +++ b/tests/ui/declare_interior_mutable_const/traits.stderr @@ -55,22 +55,34 @@ LL | const WRAPPED_SELF: Option = Some(AtomicUsize::new(21)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: a `const` item should never be interior mutable - --> tests/ui/declare_interior_mutable_const/traits.rs:126:5 + --> tests/ui/declare_interior_mutable_const/traits.rs:124:5 + | +LL | const DIRECT: Cell; + | ^^^^^^^^^^^^^^^^^^^^^^ + +error: a `const` item should never be interior mutable + --> tests/ui/declare_interior_mutable_const/traits.rs:125:5 | LL | const INDIRECT: Cell<*const T>; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: a `const` item should never be interior mutable - --> tests/ui/declare_interior_mutable_const/traits.rs:142:5 + --> tests/ui/declare_interior_mutable_const/traits.rs:129:5 + | +LL | const DIRECT: Cell = Cell::new(T::DEFAULT); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: a `const` item should never be interior mutable + --> tests/ui/declare_interior_mutable_const/traits.rs:141:5 | LL | const ATOMIC: AtomicUsize = AtomicUsize::new(18); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: a `const` item should never be interior mutable - --> tests/ui/declare_interior_mutable_const/traits.rs:148:5 + --> tests/ui/declare_interior_mutable_const/traits.rs:147:5 | LL | const BOUNDED_ASSOC_TYPE: T::ToBeBounded = AtomicUsize::new(19); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: aborting due to 11 previous errors +error: aborting due to 13 previous errors diff --git a/tests/ui/disallowed_names.rs b/tests/ui/disallowed_names.rs index 9a701a2cbcfb..13c883409bf6 100644 --- a/tests/ui/disallowed_names.rs +++ b/tests/ui/disallowed_names.rs @@ -71,3 +71,8 @@ mod tests { } } } + +#[test] +fn test_with_disallowed_name() { + let foo = 0; +} diff --git a/tests/ui/large_stack_arrays.rs b/tests/ui/large_stack_arrays.rs index d5c4f95f8c42..6bcaf481c9f7 100644 --- a/tests/ui/large_stack_arrays.rs +++ b/tests/ui/large_stack_arrays.rs @@ -1,6 +1,9 @@ +//@aux-build:proc_macros.rs #![warn(clippy::large_stack_arrays)] #![allow(clippy::large_enum_variant)] +extern crate proc_macros; + #[derive(Clone, Copy)] struct S { pub data: [u64; 32], @@ -55,3 +58,48 @@ fn main() { [(); 20_000_000], ); } + +#[allow(clippy::useless_vec)] +fn issue_12586() { + macro_rules! dummy { + ($n:expr) => { + $n + }; + // Weird rule to test help messages. + ($a:expr => $b:expr) => { + [$a, $b, $a, $b] + //~^ ERROR: allocating a local array larger than 512000 bytes + }; + ($id:ident; $n:literal) => { + dummy!(::std::vec![$id;$n]) + }; + ($($id:expr),+ $(,)?) => { + ::std::vec![$($id),*] + } + } + macro_rules! create_then_move { + ($id:ident; $n:literal) => {{ + let _x_ = [$id; $n]; + //~^ ERROR: allocating a local array larger than 512000 bytes + _x_ + }}; + } + + let x = [0u32; 50_000]; + let y = vec![x, x, x, x, x]; + let y = vec![dummy![x, x, x, x, x]]; + let y = vec![dummy![[x, x, x, x, x]]]; + let y = dummy![x, x, x, x, x]; + let y = [x, x, dummy!(x), x, x]; + //~^ ERROR: allocating a local array larger than 512000 bytes + let y = dummy![x => x]; + let y = dummy![x;5]; + let y = dummy!(vec![dummy![x, x, x, x, x]]); + let y = dummy![[x, x, x, x, x]]; + //~^ ERROR: allocating a local array larger than 512000 bytes + + let y = proc_macros::make_it_big!([x; 1]); + //~^ ERROR: allocating a local array larger than 512000 bytes + let y = vec![proc_macros::make_it_big!([x; 10])]; + let y = vec![create_then_move![x; 5]; 5]; +} diff --git a/tests/ui/large_stack_arrays.stderr b/tests/ui/large_stack_arrays.stderr index 007ca61c2de1..06294ee8b8cb 100644 --- a/tests/ui/large_stack_arrays.stderr +++ b/tests/ui/large_stack_arrays.stderr @@ -1,5 +1,5 @@ error: allocating a local array larger than 512000 bytes - --> tests/ui/large_stack_arrays.rs:29:14 + --> tests/ui/large_stack_arrays.rs:32:14 | LL | let _x = [build(); 3]; | ^^^^^^^^^^^^ @@ -9,7 +9,7 @@ LL | let _x = [build(); 3]; = help: to override `-D warnings` add `#[allow(clippy::large_stack_arrays)]` error: allocating a local array larger than 512000 bytes - --> tests/ui/large_stack_arrays.rs:32:14 + --> tests/ui/large_stack_arrays.rs:35:14 | LL | let _y = [build(), build(), build()]; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -17,7 +17,7 @@ LL | let _y = [build(), build(), build()]; = help: consider allocating on the heap with `vec![build(), build(), build()].into_boxed_slice()` error: allocating a local array larger than 512000 bytes - --> tests/ui/large_stack_arrays.rs:38:9 + --> tests/ui/large_stack_arrays.rs:41:9 | LL | [0u32; 20_000_000], | ^^^^^^^^^^^^^^^^^^ @@ -25,7 +25,7 @@ LL | [0u32; 20_000_000], = help: consider allocating on the heap with `vec![0u32; 20_000_000].into_boxed_slice()` error: allocating a local array larger than 512000 bytes - --> tests/ui/large_stack_arrays.rs:40:9 + --> tests/ui/large_stack_arrays.rs:43:9 | LL | [S { data: [0; 32] }; 5000], | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -33,7 +33,7 @@ LL | [S { data: [0; 32] }; 5000], = help: consider allocating on the heap with `vec![S { data: [0; 32] }; 5000].into_boxed_slice()` error: allocating a local array larger than 512000 bytes - --> tests/ui/large_stack_arrays.rs:42:9 + --> tests/ui/large_stack_arrays.rs:45:9 | LL | [Some(""); 20_000_000], | ^^^^^^^^^^^^^^^^^^^^^^ @@ -41,7 +41,7 @@ LL | [Some(""); 20_000_000], = help: consider allocating on the heap with `vec![Some(""); 20_000_000].into_boxed_slice()` error: allocating a local array larger than 512000 bytes - --> tests/ui/large_stack_arrays.rs:44:9 + --> tests/ui/large_stack_arrays.rs:47:9 | LL | [E::T(0); 5000], | ^^^^^^^^^^^^^^^ @@ -49,12 +49,56 @@ LL | [E::T(0); 5000], = help: consider allocating on the heap with `vec![E::T(0); 5000].into_boxed_slice()` error: allocating a local array larger than 512000 bytes - --> tests/ui/large_stack_arrays.rs:46:9 + --> tests/ui/large_stack_arrays.rs:49:9 | LL | [0u8; usize::MAX], | ^^^^^^^^^^^^^^^^^ | = help: consider allocating on the heap with `vec![0u8; usize::MAX].into_boxed_slice()` -error: aborting due to 7 previous errors +error: allocating a local array larger than 512000 bytes + --> tests/ui/large_stack_arrays.rs:93:13 + | +LL | let y = [x, x, dummy!(x), x, x]; + | ^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: consider allocating on the heap with `vec![x, x, dummy!(x), x, x].into_boxed_slice()` + +error: allocating a local array larger than 512000 bytes + --> tests/ui/large_stack_arrays.rs:70:13 + | +LL | [$a, $b, $a, $b] + | ^^^^^^^^^^^^^^^^ +... +LL | let y = dummy![x => x]; + | -------------- in this macro invocation + | + = note: this error originates in the macro `dummy` (in Nightly builds, run with -Z macro-backtrace for more info) + +error: allocating a local array larger than 512000 bytes + --> tests/ui/large_stack_arrays.rs:98:20 + | +LL | let y = dummy![[x, x, x, x, x]]; + | ^^^^^^^^^^^^^^^ + | + = help: consider allocating on the heap with `vec![x, x, x, x, x].into_boxed_slice()` + +error: allocating a local array larger than 512000 bytes + --> tests/ui/large_stack_arrays.rs:101:39 + | +LL | let y = proc_macros::make_it_big!([x; 1]); + | ^^^^^^ + +error: allocating a local array larger than 512000 bytes + --> tests/ui/large_stack_arrays.rs:82:23 + | +LL | let _x_ = [$id; $n]; + | ^^^^^^^^^ +... +LL | let y = vec![create_then_move![x; 5]; 5]; + | ----------------------- in this macro invocation + | + = note: this error originates in the macro `create_then_move` (in Nightly builds, run with -Z macro-backtrace for more info) + +error: aborting due to 12 previous errors diff --git a/tests/ui/manual_is_ascii_check.fixed b/tests/ui/manual_is_ascii_check.fixed index 9c4bd335ad8b..a72caa3a37ee 100644 --- a/tests/ui/manual_is_ascii_check.fixed +++ b/tests/ui/manual_is_ascii_check.fixed @@ -55,3 +55,30 @@ fn msrv_1_47() { const FOO: bool = 'x'.is_ascii_digit(); const BAR: bool = 'x'.is_ascii_hexdigit(); } + +#[allow(clippy::deref_addrof, clippy::needless_borrow)] +fn with_refs() { + let cool_letter = &&'g'; + cool_letter.is_ascii_digit(); + cool_letter.is_ascii_lowercase(); +} + +fn generics() { + fn a(u: &U) -> bool + where + char: PartialOrd, + U: PartialOrd + ?Sized, + { + ('A'..='Z').contains(u) + } + + fn take_while(cond: F) + where + Item: Sized, + F: Fn(Item) -> bool, + { + } + take_while(|c: char| c.is_ascii_uppercase()); + take_while(|c: u8| c.is_ascii_uppercase()); + take_while(|c: char| c.is_ascii_uppercase()); +} diff --git a/tests/ui/manual_is_ascii_check.rs b/tests/ui/manual_is_ascii_check.rs index 785943cd24d2..bb6e2a317da1 100644 --- a/tests/ui/manual_is_ascii_check.rs +++ b/tests/ui/manual_is_ascii_check.rs @@ -55,3 +55,30 @@ fn msrv_1_47() { const FOO: bool = matches!('x', '0'..='9'); const BAR: bool = matches!('x', '0'..='9' | 'a'..='f' | 'A'..='F'); } + +#[allow(clippy::deref_addrof, clippy::needless_borrow)] +fn with_refs() { + let cool_letter = &&'g'; + ('0'..='9').contains(&&cool_letter); + ('a'..='z').contains(*cool_letter); +} + +fn generics() { + fn a(u: &U) -> bool + where + char: PartialOrd, + U: PartialOrd + ?Sized, + { + ('A'..='Z').contains(u) + } + + fn take_while(cond: F) + where + Item: Sized, + F: Fn(Item) -> bool, + { + } + take_while(|c| ('A'..='Z').contains(&c)); + take_while(|c| (b'A'..=b'Z').contains(&c)); + take_while(|c: char| ('A'..='Z').contains(&c)); +} diff --git a/tests/ui/manual_is_ascii_check.stderr b/tests/ui/manual_is_ascii_check.stderr index 3632077ec808..a93ccace28a6 100644 --- a/tests/ui/manual_is_ascii_check.stderr +++ b/tests/ui/manual_is_ascii_check.stderr @@ -133,5 +133,45 @@ error: manual check for common ascii range LL | const BAR: bool = matches!('x', '0'..='9' | 'a'..='f' | 'A'..='F'); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `'x'.is_ascii_hexdigit()` -error: aborting due to 22 previous errors +error: manual check for common ascii range + --> tests/ui/manual_is_ascii_check.rs:62:5 + | +LL | ('0'..='9').contains(&&cool_letter); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `cool_letter.is_ascii_digit()` + +error: manual check for common ascii range + --> tests/ui/manual_is_ascii_check.rs:63:5 + | +LL | ('a'..='z').contains(*cool_letter); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `cool_letter.is_ascii_lowercase()` + +error: manual check for common ascii range + --> tests/ui/manual_is_ascii_check.rs:81:20 + | +LL | take_while(|c| ('A'..='Z').contains(&c)); + | ^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: try + | +LL | take_while(|c: char| c.is_ascii_uppercase()); + | ~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~ + +error: manual check for common ascii range + --> tests/ui/manual_is_ascii_check.rs:82:20 + | +LL | take_while(|c| (b'A'..=b'Z').contains(&c)); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: try + | +LL | take_while(|c: u8| c.is_ascii_uppercase()); + | ~~~~~ ~~~~~~~~~~~~~~~~~~~~~~ + +error: manual check for common ascii range + --> tests/ui/manual_is_ascii_check.rs:83:26 + | +LL | take_while(|c: char| ('A'..='Z').contains(&c)); + | ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `c.is_ascii_uppercase()` + +error: aborting due to 27 previous errors diff --git a/tests/ui/mistyped_literal_suffix.fixed b/tests/ui/mistyped_literal_suffix.fixed index 861764a2aeeb..b84b3dc349ec 100644 --- a/tests/ui/mistyped_literal_suffix.fixed +++ b/tests/ui/mistyped_literal_suffix.fixed @@ -32,7 +32,7 @@ fn main() { // testing that the suggestion actually fits in its type let fail30 = 127_i8; // should be i8 let fail31 = 240_u8; // should be u8 - let ok32 = 360_8; // doesnt fit in either, should be ignored + let ok32 = 360_8; // doesn't fit in either, should be ignored let fail33 = 0x1234_i16; let fail34 = 0xABCD_u16; let ok35 = 0x12345_16; diff --git a/tests/ui/mistyped_literal_suffix.rs b/tests/ui/mistyped_literal_suffix.rs index 4a15c335fd89..a47a736067a8 100644 --- a/tests/ui/mistyped_literal_suffix.rs +++ b/tests/ui/mistyped_literal_suffix.rs @@ -32,7 +32,7 @@ fn main() { // testing that the suggestion actually fits in its type let fail30 = 127_8; // should be i8 let fail31 = 240_8; // should be u8 - let ok32 = 360_8; // doesnt fit in either, should be ignored + let ok32 = 360_8; // doesn't fit in either, should be ignored let fail33 = 0x1234_16; let fail34 = 0xABCD_16; let ok35 = 0x12345_16; diff --git a/tests/ui/mut_key.rs b/tests/ui/mut_key.rs index 2d70bfd4c770..81d8732b3b21 100644 --- a/tests/ui/mut_key.rs +++ b/tests/ui/mut_key.rs @@ -5,7 +5,7 @@ use std::rc::Rc; use std::sync::atomic::AtomicUsize; use std::sync::atomic::Ordering::Relaxed; use std::sync::Arc; -//@no-rustfix + struct Key(AtomicUsize); impl Clone for Key { @@ -77,8 +77,6 @@ fn main() { //~^ ERROR: mutable key type let _map = HashMap::<&mut Cell, usize>::new(); //~^ ERROR: mutable key type - let _map = HashMap::<&mut usize, usize>::new(); - //~^ ERROR: mutable key type // Collection types from `std` who's impl of `Hash` or `Ord` delegate their type parameters let _map = HashMap::>, usize>::new(); //~^ ERROR: mutable key type @@ -92,8 +90,6 @@ fn main() { //~^ ERROR: mutable key type let _map = HashMap::>>, usize>::new(); //~^ ERROR: mutable key type - let _map = HashMap::, usize>::new(); - //~^ ERROR: mutable key type // Smart pointers from `std` who's impl of `Hash` or `Ord` delegate their type parameters let _map = HashMap::>, usize>::new(); //~^ ERROR: mutable key type @@ -101,4 +97,8 @@ fn main() { //~^ ERROR: mutable key type let _map = HashMap::>, usize>::new(); //~^ ERROR: mutable key type + + // Not interior mutability + let _map = HashMap::<&mut usize, usize>::new(); + let _map = HashMap::, usize>::new(); } diff --git a/tests/ui/mut_key.stderr b/tests/ui/mut_key.stderr index e54c3075d4f1..5ad9aad2d0a5 100644 --- a/tests/ui/mut_key.stderr +++ b/tests/ui/mut_key.stderr @@ -38,70 +38,58 @@ LL | let _map = HashMap::<&mut Cell, usize>::new(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: mutable key type - --> tests/ui/mut_key.rs:80:5 - | -LL | let _map = HashMap::<&mut usize, usize>::new(); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: mutable key type - --> tests/ui/mut_key.rs:83:5 + --> tests/ui/mut_key.rs:81:5 | LL | let _map = HashMap::>, usize>::new(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: mutable key type - --> tests/ui/mut_key.rs:85:5 + --> tests/ui/mut_key.rs:83:5 | LL | let _map = HashMap::, ()>, usize>::new(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: mutable key type - --> tests/ui/mut_key.rs:87:5 + --> tests/ui/mut_key.rs:85:5 | LL | let _map = HashMap::>, usize>::new(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: mutable key type - --> tests/ui/mut_key.rs:89:5 + --> tests/ui/mut_key.rs:87:5 | LL | let _map = HashMap::>, usize>::new(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: mutable key type - --> tests/ui/mut_key.rs:91:5 + --> tests/ui/mut_key.rs:89:5 | LL | let _map = HashMap::>, usize>::new(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: mutable key type - --> tests/ui/mut_key.rs:93:5 + --> tests/ui/mut_key.rs:91:5 | LL | let _map = HashMap::>>, usize>::new(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: mutable key type - --> tests/ui/mut_key.rs:95:5 - | -LL | let _map = HashMap::, usize>::new(); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: mutable key type - --> tests/ui/mut_key.rs:98:5 + --> tests/ui/mut_key.rs:94:5 | LL | let _map = HashMap::>, usize>::new(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: mutable key type - --> tests/ui/mut_key.rs:100:5 + --> tests/ui/mut_key.rs:96:5 | LL | let _map = HashMap::>, usize>::new(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: mutable key type - --> tests/ui/mut_key.rs:102:5 + --> tests/ui/mut_key.rs:98:5 | LL | let _map = HashMap::>, usize>::new(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: aborting due to 17 previous errors +error: aborting due to 15 previous errors diff --git a/tests/ui/needless_for_each_fixable.fixed b/tests/ui/needless_for_each_fixable.fixed index 8c0e7ba76278..2362314290e6 100644 --- a/tests/ui/needless_for_each_fixable.fixed +++ b/tests/ui/needless_for_each_fixable.fixed @@ -113,6 +113,10 @@ fn should_not_lint() { let _ = v.iter().for_each(|elem| { acc += elem; }); + // `for_each` has a closure with an unsafe block. + v.iter().for_each(|elem| unsafe { + acc += elem; + }); } fn main() {} diff --git a/tests/ui/needless_for_each_fixable.rs b/tests/ui/needless_for_each_fixable.rs index cdc903a636c9..5b1186daa229 100644 --- a/tests/ui/needless_for_each_fixable.rs +++ b/tests/ui/needless_for_each_fixable.rs @@ -113,6 +113,10 @@ fn should_not_lint() { let _ = v.iter().for_each(|elem| { acc += elem; }); + // `for_each` has a closure with an unsafe block. + v.iter().for_each(|elem| unsafe { + acc += elem; + }); } fn main() {} diff --git a/tests/ui/needless_pass_by_ref_mut.rs b/tests/ui/needless_pass_by_ref_mut.rs index a92197fb0af5..3f5f55f40020 100644 --- a/tests/ui/needless_pass_by_ref_mut.rs +++ b/tests/ui/needless_pass_by_ref_mut.rs @@ -44,18 +44,13 @@ fn non_mut_ref(_: &Vec) {} struct Bar; impl Bar { - // Should not warn on `&mut self`. fn bar(&mut self) {} + //~^ ERROR: this argument is a mutable reference, but not used mutably fn mushroom(&self, vec: &mut Vec) -> usize { //~^ ERROR: this argument is a mutable reference, but not used mutably vec.len() } - - fn badger(&mut self, vec: &mut Vec) -> usize { - //~^ ERROR: this argument is a mutable reference, but not used mutably - vec.len() - } } trait Babar { @@ -307,6 +302,41 @@ fn filter_copy(predicate: &mut impl FnMut(T) -> bool) -> impl FnMut(&T) move |&item| predicate(item) } +trait MutSelfTrait { + // Should not warn since it's a trait method. + fn mut_self(&mut self); +} + +struct MutSelf { + a: u32, +} + +impl MutSelf { + fn bar(&mut self) {} + //~^ ERROR: this argument is a mutable reference, but not used mutably + async fn foo(&mut self, u: &mut i32, v: &mut u32) { + //~^ ERROR: this argument is a mutable reference, but not used mutably + //~| ERROR: this argument is a mutable reference, but not used mutably + async { + *u += 1; + } + .await; + } + async fn foo2(&mut self, u: &mut i32, v: &mut u32) { + //~^ ERROR: this argument is a mutable reference, but not used mutably + async { + self.a += 1; + *u += 1; + } + .await; + } +} + +impl MutSelfTrait for MutSelf { + // Should not warn since it's a trait method. + fn mut_self(&mut self) {} +} + // `is_from_proc_macro` stress tests fn _empty_tup(x: &mut (())) {} fn _single_tup(x: &mut ((i32,))) {} diff --git a/tests/ui/needless_pass_by_ref_mut.stderr b/tests/ui/needless_pass_by_ref_mut.stderr index 89dad3e60b14..21ca393dcb63 100644 --- a/tests/ui/needless_pass_by_ref_mut.stderr +++ b/tests/ui/needless_pass_by_ref_mut.stderr @@ -13,6 +13,12 @@ error: this argument is a mutable reference, but not used mutably LL | fn foo6(s: &mut Vec) { | ^^^^^^^^^^^^^ help: consider changing to: `&Vec` +error: this argument is a mutable reference, but not used mutably + --> tests/ui/needless_pass_by_ref_mut.rs:47:12 + | +LL | fn bar(&mut self) {} + | ^^^^^^^^^ help: consider changing to: `&self` + error: this argument is a mutable reference, but not used mutably --> tests/ui/needless_pass_by_ref_mut.rs:50:29 | @@ -20,67 +26,61 @@ LL | fn mushroom(&self, vec: &mut Vec) -> usize { | ^^^^^^^^^^^^^ help: consider changing to: `&Vec` error: this argument is a mutable reference, but not used mutably - --> tests/ui/needless_pass_by_ref_mut.rs:55:31 - | -LL | fn badger(&mut self, vec: &mut Vec) -> usize { - | ^^^^^^^^^^^^^ help: consider changing to: `&Vec` - -error: this argument is a mutable reference, but not used mutably - --> tests/ui/needless_pass_by_ref_mut.rs:132:16 + --> tests/ui/needless_pass_by_ref_mut.rs:127:16 | LL | async fn a1(x: &mut i32) { | ^^^^^^^^ help: consider changing to: `&i32` error: this argument is a mutable reference, but not used mutably - --> tests/ui/needless_pass_by_ref_mut.rs:136:16 + --> tests/ui/needless_pass_by_ref_mut.rs:131:16 | LL | async fn a2(x: &mut i32, y: String) { | ^^^^^^^^ help: consider changing to: `&i32` error: this argument is a mutable reference, but not used mutably - --> tests/ui/needless_pass_by_ref_mut.rs:140:16 + --> tests/ui/needless_pass_by_ref_mut.rs:135:16 | LL | async fn a3(x: &mut i32, y: String, z: String) { | ^^^^^^^^ help: consider changing to: `&i32` error: this argument is a mutable reference, but not used mutably - --> tests/ui/needless_pass_by_ref_mut.rs:144:16 + --> tests/ui/needless_pass_by_ref_mut.rs:139:16 | LL | async fn a4(x: &mut i32, y: i32) { | ^^^^^^^^ help: consider changing to: `&i32` error: this argument is a mutable reference, but not used mutably - --> tests/ui/needless_pass_by_ref_mut.rs:148:24 + --> tests/ui/needless_pass_by_ref_mut.rs:143:24 | LL | async fn a5(x: i32, y: &mut i32) { | ^^^^^^^^ help: consider changing to: `&i32` error: this argument is a mutable reference, but not used mutably - --> tests/ui/needless_pass_by_ref_mut.rs:152:24 + --> tests/ui/needless_pass_by_ref_mut.rs:147:24 | LL | async fn a6(x: i32, y: &mut i32) { | ^^^^^^^^ help: consider changing to: `&i32` error: this argument is a mutable reference, but not used mutably - --> tests/ui/needless_pass_by_ref_mut.rs:156:32 + --> tests/ui/needless_pass_by_ref_mut.rs:151:32 | LL | async fn a7(x: i32, y: i32, z: &mut i32) { | ^^^^^^^^ help: consider changing to: `&i32` error: this argument is a mutable reference, but not used mutably - --> tests/ui/needless_pass_by_ref_mut.rs:160:24 + --> tests/ui/needless_pass_by_ref_mut.rs:155:24 | LL | async fn a8(x: i32, a: &mut i32, y: i32, z: &mut i32) { | ^^^^^^^^ help: consider changing to: `&i32` error: this argument is a mutable reference, but not used mutably - --> tests/ui/needless_pass_by_ref_mut.rs:160:45 + --> tests/ui/needless_pass_by_ref_mut.rs:155:45 | LL | async fn a8(x: i32, a: &mut i32, y: i32, z: &mut i32) { | ^^^^^^^^ help: consider changing to: `&i32` error: this argument is a mutable reference, but not used mutably - --> tests/ui/needless_pass_by_ref_mut.rs:194:16 + --> tests/ui/needless_pass_by_ref_mut.rs:189:16 | LL | fn cfg_warn(s: &mut u32) {} | ^^^^^^^^ help: consider changing to: `&u32` @@ -88,7 +88,7 @@ LL | fn cfg_warn(s: &mut u32) {} = note: this is cfg-gated and may require further changes error: this argument is a mutable reference, but not used mutably - --> tests/ui/needless_pass_by_ref_mut.rs:200:20 + --> tests/ui/needless_pass_by_ref_mut.rs:195:20 | LL | fn cfg_warn(s: &mut u32) {} | ^^^^^^^^ help: consider changing to: `&u32` @@ -96,19 +96,19 @@ LL | fn cfg_warn(s: &mut u32) {} = note: this is cfg-gated and may require further changes error: this argument is a mutable reference, but not used mutably - --> tests/ui/needless_pass_by_ref_mut.rs:214:39 + --> tests/ui/needless_pass_by_ref_mut.rs:209:39 | LL | async fn inner_async2(x: &mut i32, y: &mut u32) { | ^^^^^^^^ help: consider changing to: `&u32` error: this argument is a mutable reference, but not used mutably - --> tests/ui/needless_pass_by_ref_mut.rs:222:26 + --> tests/ui/needless_pass_by_ref_mut.rs:217:26 | LL | async fn inner_async3(x: &mut i32, y: &mut u32) { | ^^^^^^^^ help: consider changing to: `&i32` error: this argument is a mutable reference, but not used mutably - --> tests/ui/needless_pass_by_ref_mut.rs:241:34 + --> tests/ui/needless_pass_by_ref_mut.rs:236:34 | LL | pub async fn call_in_closure1(n: &mut str) { | ^^^^^^^^ help: consider changing to: `&str` @@ -116,15 +116,7 @@ LL | pub async fn call_in_closure1(n: &mut str) { = warning: changing this function will impact semver compatibility error: this argument is a mutable reference, but not used mutably - --> tests/ui/needless_pass_by_ref_mut.rs:253:25 - | -LL | pub async fn closure(n: &mut usize) -> impl '_ + FnMut() { - | ^^^^^^^^^^ help: consider changing to: `&usize` - | - = warning: changing this function will impact semver compatibility - -error: this argument is a mutable reference, but not used mutably - --> tests/ui/needless_pass_by_ref_mut.rs:260:20 + --> tests/ui/needless_pass_by_ref_mut.rs:255:20 | LL | pub fn closure2(n: &mut usize) -> impl '_ + FnMut() -> usize { | ^^^^^^^^^^ help: consider changing to: `&usize` @@ -132,7 +124,7 @@ LL | pub fn closure2(n: &mut usize) -> impl '_ + FnMut() -> usize { = warning: changing this function will impact semver compatibility error: this argument is a mutable reference, but not used mutably - --> tests/ui/needless_pass_by_ref_mut.rs:271:26 + --> tests/ui/needless_pass_by_ref_mut.rs:266:26 | LL | pub async fn closure4(n: &mut usize) { | ^^^^^^^^^^ help: consider changing to: `&usize` @@ -140,64 +132,88 @@ LL | pub async fn closure4(n: &mut usize) { = warning: changing this function will impact semver compatibility error: this argument is a mutable reference, but not used mutably - --> tests/ui/needless_pass_by_ref_mut.rs:311:18 + --> tests/ui/needless_pass_by_ref_mut.rs:315:12 + | +LL | fn bar(&mut self) {} + | ^^^^^^^^^ help: consider changing to: `&self` + +error: this argument is a mutable reference, but not used mutably + --> tests/ui/needless_pass_by_ref_mut.rs:317:18 + | +LL | async fn foo(&mut self, u: &mut i32, v: &mut u32) { + | ^^^^^^^^^ help: consider changing to: `&self` + +error: this argument is a mutable reference, but not used mutably + --> tests/ui/needless_pass_by_ref_mut.rs:317:45 + | +LL | async fn foo(&mut self, u: &mut i32, v: &mut u32) { + | ^^^^^^^^ help: consider changing to: `&u32` + +error: this argument is a mutable reference, but not used mutably + --> tests/ui/needless_pass_by_ref_mut.rs:325:46 + | +LL | async fn foo2(&mut self, u: &mut i32, v: &mut u32) { + | ^^^^^^^^ help: consider changing to: `&u32` + +error: this argument is a mutable reference, but not used mutably + --> tests/ui/needless_pass_by_ref_mut.rs:341:18 | LL | fn _empty_tup(x: &mut (())) {} | ^^^^^^^^^ help: consider changing to: `&()` error: this argument is a mutable reference, but not used mutably - --> tests/ui/needless_pass_by_ref_mut.rs:312:19 + --> tests/ui/needless_pass_by_ref_mut.rs:342:19 | LL | fn _single_tup(x: &mut ((i32,))) {} | ^^^^^^^^^^^^^ help: consider changing to: `&(i32,)` error: this argument is a mutable reference, but not used mutably - --> tests/ui/needless_pass_by_ref_mut.rs:313:18 + --> tests/ui/needless_pass_by_ref_mut.rs:343:18 | LL | fn _multi_tup(x: &mut ((i32, u32))) {} | ^^^^^^^^^^^^^^^^^ help: consider changing to: `&(i32, u32)` error: this argument is a mutable reference, but not used mutably - --> tests/ui/needless_pass_by_ref_mut.rs:314:11 + --> tests/ui/needless_pass_by_ref_mut.rs:344:11 | LL | fn _fn(x: &mut (fn())) {} | ^^^^^^^^^^^ help: consider changing to: `&fn()` error: this argument is a mutable reference, but not used mutably - --> tests/ui/needless_pass_by_ref_mut.rs:316:23 + --> tests/ui/needless_pass_by_ref_mut.rs:346:23 | LL | fn _extern_rust_fn(x: &mut extern "Rust" fn()) {} | ^^^^^^^^^^^^^^^^^^^^^^^ help: consider changing to: `&extern "Rust" fn()` error: this argument is a mutable reference, but not used mutably - --> tests/ui/needless_pass_by_ref_mut.rs:317:20 + --> tests/ui/needless_pass_by_ref_mut.rs:347:20 | LL | fn _extern_c_fn(x: &mut extern "C" fn()) {} | ^^^^^^^^^^^^^^^^^^^^ help: consider changing to: `&extern "C" fn()` error: this argument is a mutable reference, but not used mutably - --> tests/ui/needless_pass_by_ref_mut.rs:318:18 + --> tests/ui/needless_pass_by_ref_mut.rs:348:18 | LL | fn _unsafe_fn(x: &mut unsafe fn()) {} | ^^^^^^^^^^^^^^^^ help: consider changing to: `&unsafe fn()` error: this argument is a mutable reference, but not used mutably - --> tests/ui/needless_pass_by_ref_mut.rs:319:25 + --> tests/ui/needless_pass_by_ref_mut.rs:349:25 | LL | fn _unsafe_extern_fn(x: &mut unsafe extern "C" fn()) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider changing to: `&unsafe extern "C" fn()` error: this argument is a mutable reference, but not used mutably - --> tests/ui/needless_pass_by_ref_mut.rs:320:20 + --> tests/ui/needless_pass_by_ref_mut.rs:350:20 | LL | fn _fn_with_arg(x: &mut unsafe extern "C" fn(i32)) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider changing to: `&unsafe extern "C" fn(i32)` error: this argument is a mutable reference, but not used mutably - --> tests/ui/needless_pass_by_ref_mut.rs:321:20 + --> tests/ui/needless_pass_by_ref_mut.rs:351:20 | LL | fn _fn_with_ret(x: &mut unsafe extern "C" fn() -> (i32)) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider changing to: `&unsafe extern "C" fn() -> (i32)` -error: aborting due to 31 previous errors +error: aborting due to 34 previous errors diff --git a/tests/ui/needless_pass_by_ref_mut2.fixed b/tests/ui/needless_pass_by_ref_mut2.fixed new file mode 100644 index 000000000000..3c2576213cd7 --- /dev/null +++ b/tests/ui/needless_pass_by_ref_mut2.fixed @@ -0,0 +1,24 @@ +// If both `inner_async3` and `inner_async4` are present, aliases are declared after +// they're used in `inner_async4` for some reasons... This test ensures that no +// only `v` is marked as not used mutably in `inner_async4`. + +#![allow(clippy::redundant_closure_call)] +#![warn(clippy::needless_pass_by_ref_mut)] + +pub async fn inner_async3(x: &i32, y: &mut u32) { + //~^ ERROR: this argument is a mutable reference, but not used mutably + async { + *y += 1; + } + .await; +} + +pub async fn inner_async4(u: &mut i32, v: &u32) { + //~^ ERROR: this argument is a mutable reference, but not used mutably + async { + *u += 1; + } + .await; +} + +fn main() {} diff --git a/tests/ui/needless_pass_by_ref_mut2.rs b/tests/ui/needless_pass_by_ref_mut2.rs new file mode 100644 index 000000000000..34b0b564deb8 --- /dev/null +++ b/tests/ui/needless_pass_by_ref_mut2.rs @@ -0,0 +1,24 @@ +// If both `inner_async3` and `inner_async4` are present, aliases are declared after +// they're used in `inner_async4` for some reasons... This test ensures that no +// only `v` is marked as not used mutably in `inner_async4`. + +#![allow(clippy::redundant_closure_call)] +#![warn(clippy::needless_pass_by_ref_mut)] + +pub async fn inner_async3(x: &mut i32, y: &mut u32) { + //~^ ERROR: this argument is a mutable reference, but not used mutably + async { + *y += 1; + } + .await; +} + +pub async fn inner_async4(u: &mut i32, v: &mut u32) { + //~^ ERROR: this argument is a mutable reference, but not used mutably + async { + *u += 1; + } + .await; +} + +fn main() {} diff --git a/tests/ui/needless_pass_by_ref_mut2.stderr b/tests/ui/needless_pass_by_ref_mut2.stderr new file mode 100644 index 000000000000..c87536032256 --- /dev/null +++ b/tests/ui/needless_pass_by_ref_mut2.stderr @@ -0,0 +1,20 @@ +error: this argument is a mutable reference, but not used mutably + --> tests/ui/needless_pass_by_ref_mut2.rs:8:30 + | +LL | pub async fn inner_async3(x: &mut i32, y: &mut u32) { + | ^^^^^^^^ help: consider changing to: `&i32` + | + = warning: changing this function will impact semver compatibility + = note: `-D clippy::needless-pass-by-ref-mut` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::needless_pass_by_ref_mut)]` + +error: this argument is a mutable reference, but not used mutably + --> tests/ui/needless_pass_by_ref_mut2.rs:16:43 + | +LL | pub async fn inner_async4(u: &mut i32, v: &mut u32) { + | ^^^^^^^^ help: consider changing to: `&u32` + | + = warning: changing this function will impact semver compatibility + +error: aborting due to 2 previous errors + diff --git a/tests/ui/non_canonical_partial_ord_impl.fixed b/tests/ui/non_canonical_partial_ord_impl.fixed index db55cc094e3a..d444a753697f 100644 --- a/tests/ui/non_canonical_partial_ord_impl.fixed +++ b/tests/ui/non_canonical_partial_ord_impl.fixed @@ -142,3 +142,21 @@ impl PartialOrd for H { Some(Ord::cmp(self, other)) } } + +// #12683, do not lint + +#[derive(Eq, PartialEq)] +struct I(u32); + +impl Ord for I { + fn cmp(&self, other: &Self) -> Ordering { + todo!(); + } +} + +impl PartialOrd for I { + #[allow(clippy::needless_return)] + fn partial_cmp(&self, other: &Self) -> Option { + return Some(self.cmp(other)); + } +} diff --git a/tests/ui/non_canonical_partial_ord_impl.rs b/tests/ui/non_canonical_partial_ord_impl.rs index 52f4b85b9172..dc6c4354604d 100644 --- a/tests/ui/non_canonical_partial_ord_impl.rs +++ b/tests/ui/non_canonical_partial_ord_impl.rs @@ -146,3 +146,21 @@ impl PartialOrd for H { Some(Ord::cmp(self, other)) } } + +// #12683, do not lint + +#[derive(Eq, PartialEq)] +struct I(u32); + +impl Ord for I { + fn cmp(&self, other: &Self) -> Ordering { + todo!(); + } +} + +impl PartialOrd for I { + #[allow(clippy::needless_return)] + fn partial_cmp(&self, other: &Self) -> Option { + return Some(self.cmp(other)); + } +} diff --git a/tests/ui/readonly_write_lock.fixed b/tests/ui/readonly_write_lock.fixed index 76f4a43ae530..4db13482ac78 100644 --- a/tests/ui/readonly_write_lock.fixed +++ b/tests/ui/readonly_write_lock.fixed @@ -43,3 +43,7 @@ fn main() { *writer1 = *writer2; } } + +fn issue12733(rw: &RwLock<()>) { + let _write_guard = rw.write().unwrap(); +} diff --git a/tests/ui/readonly_write_lock.rs b/tests/ui/readonly_write_lock.rs index 3d1d3855fe12..66ba1b2d6969 100644 --- a/tests/ui/readonly_write_lock.rs +++ b/tests/ui/readonly_write_lock.rs @@ -43,3 +43,7 @@ fn main() { *writer1 = *writer2; } } + +fn issue12733(rw: &RwLock<()>) { + let _write_guard = rw.write().unwrap(); +} diff --git a/tests/ui/redundant_guards.fixed b/tests/ui/redundant_guards.fixed index ded91e083769..ed4b1c219150 100644 --- a/tests/ui/redundant_guards.fixed +++ b/tests/ui/redundant_guards.fixed @@ -136,6 +136,18 @@ fn f(s: Option) { } } +fn not_matches() { + match Some(42) { + // The pattern + guard is not equivalent to `Some(42)` because of the `panic!` + Some(v) + if match v { + 42 => true, + _ => panic!(), + } => {}, + _ => {}, + } +} + struct S { a: usize, } diff --git a/tests/ui/redundant_guards.rs b/tests/ui/redundant_guards.rs index 2aaa2ace3982..adbc4ed16cd7 100644 --- a/tests/ui/redundant_guards.rs +++ b/tests/ui/redundant_guards.rs @@ -136,6 +136,18 @@ fn f(s: Option) { } } +fn not_matches() { + match Some(42) { + // The pattern + guard is not equivalent to `Some(42)` because of the `panic!` + Some(v) + if match v { + 42 => true, + _ => panic!(), + } => {}, + _ => {}, + } +} + struct S { a: usize, } diff --git a/tests/ui/redundant_guards.stderr b/tests/ui/redundant_guards.stderr index 01ca91fcd09e..fd12e0832823 100644 --- a/tests/ui/redundant_guards.stderr +++ b/tests/ui/redundant_guards.stderr @@ -132,7 +132,7 @@ LL + 1 => {}, | error: redundant guard - --> tests/ui/redundant_guards.rs:174:28 + --> tests/ui/redundant_guards.rs:186:28 | LL | Some(ref x) if x == &1 => {}, | ^^^^^^^ @@ -144,7 +144,7 @@ LL + Some(1) => {}, | error: redundant guard - --> tests/ui/redundant_guards.rs:175:28 + --> tests/ui/redundant_guards.rs:187:28 | LL | Some(ref x) if &1 == x => {}, | ^^^^^^^ @@ -156,7 +156,7 @@ LL + Some(1) => {}, | error: redundant guard - --> tests/ui/redundant_guards.rs:176:28 + --> tests/ui/redundant_guards.rs:188:28 | LL | Some(ref x) if let &2 = x => {}, | ^^^^^^^^^^ @@ -168,7 +168,7 @@ LL + Some(2) => {}, | error: redundant guard - --> tests/ui/redundant_guards.rs:177:28 + --> tests/ui/redundant_guards.rs:189:28 | LL | Some(ref x) if matches!(x, &3) => {}, | ^^^^^^^^^^^^^^^ @@ -180,7 +180,7 @@ LL + Some(3) => {}, | error: redundant guard - --> tests/ui/redundant_guards.rs:197:32 + --> tests/ui/redundant_guards.rs:209:32 | LL | B { ref c, .. } if c == &1 => {}, | ^^^^^^^ @@ -192,7 +192,7 @@ LL + B { c: 1, .. } => {}, | error: redundant guard - --> tests/ui/redundant_guards.rs:198:32 + --> tests/ui/redundant_guards.rs:210:32 | LL | B { ref c, .. } if &1 == c => {}, | ^^^^^^^ @@ -204,7 +204,7 @@ LL + B { c: 1, .. } => {}, | error: redundant guard - --> tests/ui/redundant_guards.rs:199:32 + --> tests/ui/redundant_guards.rs:211:32 | LL | B { ref c, .. } if let &1 = c => {}, | ^^^^^^^^^^ @@ -216,7 +216,7 @@ LL + B { c: 1, .. } => {}, | error: redundant guard - --> tests/ui/redundant_guards.rs:200:32 + --> tests/ui/redundant_guards.rs:212:32 | LL | B { ref c, .. } if matches!(c, &1) => {}, | ^^^^^^^^^^^^^^^ @@ -228,7 +228,7 @@ LL + B { c: 1, .. } => {}, | error: redundant guard - --> tests/ui/redundant_guards.rs:210:26 + --> tests/ui/redundant_guards.rs:222:26 | LL | Some(Some(x)) if x.is_empty() => {}, | ^^^^^^^^^^^^ @@ -240,7 +240,7 @@ LL + Some(Some("")) => {}, | error: redundant guard - --> tests/ui/redundant_guards.rs:221:26 + --> tests/ui/redundant_guards.rs:233:26 | LL | Some(Some(x)) if x.is_empty() => {}, | ^^^^^^^^^^^^ @@ -252,7 +252,7 @@ LL + Some(Some([])) => {}, | error: redundant guard - --> tests/ui/redundant_guards.rs:226:26 + --> tests/ui/redundant_guards.rs:238:26 | LL | Some(Some(x)) if x.is_empty() => {}, | ^^^^^^^^^^^^ @@ -264,7 +264,7 @@ LL + Some(Some([])) => {}, | error: redundant guard - --> tests/ui/redundant_guards.rs:237:26 + --> tests/ui/redundant_guards.rs:249:26 | LL | Some(Some(x)) if x.starts_with(&[]) => {}, | ^^^^^^^^^^^^^^^^^^ @@ -276,7 +276,7 @@ LL + Some(Some([..])) => {}, | error: redundant guard - --> tests/ui/redundant_guards.rs:242:26 + --> tests/ui/redundant_guards.rs:254:26 | LL | Some(Some(x)) if x.starts_with(&[1]) => {}, | ^^^^^^^^^^^^^^^^^^^ @@ -288,7 +288,7 @@ LL + Some(Some([1, ..])) => {}, | error: redundant guard - --> tests/ui/redundant_guards.rs:247:26 + --> tests/ui/redundant_guards.rs:259:26 | LL | Some(Some(x)) if x.starts_with(&[1, 2]) => {}, | ^^^^^^^^^^^^^^^^^^^^^^ @@ -300,7 +300,7 @@ LL + Some(Some([1, 2, ..])) => {}, | error: redundant guard - --> tests/ui/redundant_guards.rs:252:26 + --> tests/ui/redundant_guards.rs:264:26 | LL | Some(Some(x)) if x.ends_with(&[1, 2]) => {}, | ^^^^^^^^^^^^^^^^^^^^ @@ -312,7 +312,7 @@ LL + Some(Some([.., 1, 2])) => {}, | error: redundant guard - --> tests/ui/redundant_guards.rs:274:18 + --> tests/ui/redundant_guards.rs:286:18 | LL | y if y.is_empty() => {}, | ^^^^^^^^^^^^ @@ -324,7 +324,7 @@ LL + "" => {}, | error: redundant guard - --> tests/ui/redundant_guards.rs:293:22 + --> tests/ui/redundant_guards.rs:305:22 | LL | y if y.is_empty() => {}, | ^^^^^^^^^^^^ diff --git a/tests/ui/redundant_locals.rs b/tests/ui/redundant_locals.rs index e9d77182a919..d21aa240b2df 100644 --- a/tests/ui/redundant_locals.rs +++ b/tests/ui/redundant_locals.rs @@ -191,14 +191,20 @@ fn issue12225() { let v4 = v4; dbg!(&v4); }); - assert_static(#[coroutine] static || { - let v5 = v5; - yield; - }); - assert_static(#[coroutine] || { - let v6 = v6; - yield; - }); + assert_static( + #[coroutine] + static || { + let v5 = v5; + yield; + }, + ); + assert_static( + #[coroutine] + || { + let v6 = v6; + yield; + }, + ); fn foo(a: &str, b: &str) {} diff --git a/tests/ui/single_char_pattern.fixed b/tests/ui/single_char_pattern.fixed index 9573fdbcfde3..a18d6319f89d 100644 --- a/tests/ui/single_char_pattern.fixed +++ b/tests/ui/single_char_pattern.fixed @@ -1,5 +1,5 @@ #![allow(clippy::needless_raw_strings, clippy::needless_raw_string_hashes, unused_must_use)] - +#![warn(clippy::single_char_pattern)] use std::collections::HashSet; fn main() { @@ -10,9 +10,9 @@ fn main() { let y = "x"; x.split(y); - x.split('ß'); - x.split('ℝ'); - x.split('💣'); + x.split("ß"); + x.split("ℝ"); + x.split("💣"); // Can't use this lint for unicode code points which don't fit in a char x.split("❤️"); x.split_inclusive('x'); @@ -34,8 +34,6 @@ fn main() { x.rmatch_indices('x'); x.trim_start_matches('x'); x.trim_end_matches('x'); - x.strip_prefix('x'); - x.strip_suffix('x'); x.replace('x', "y"); x.replacen('x', "y", 3); // Make sure we escape characters correctly. @@ -64,4 +62,8 @@ fn main() { // Must escape backslash in raw strings when converting to char #8060 x.split('\\'); x.split('\\'); + + // should not warn, the char versions are actually slower in some cases + x.strip_prefix("x"); + x.strip_suffix("x"); } diff --git a/tests/ui/single_char_pattern.rs b/tests/ui/single_char_pattern.rs index 8a04480dbc64..b52e6fb2fdfb 100644 --- a/tests/ui/single_char_pattern.rs +++ b/tests/ui/single_char_pattern.rs @@ -1,5 +1,5 @@ #![allow(clippy::needless_raw_strings, clippy::needless_raw_string_hashes, unused_must_use)] - +#![warn(clippy::single_char_pattern)] use std::collections::HashSet; fn main() { @@ -34,8 +34,6 @@ fn main() { x.rmatch_indices("x"); x.trim_start_matches("x"); x.trim_end_matches("x"); - x.strip_prefix("x"); - x.strip_suffix("x"); x.replace("x", "y"); x.replacen("x", "y", 3); // Make sure we escape characters correctly. @@ -64,4 +62,8 @@ fn main() { // Must escape backslash in raw strings when converting to char #8060 x.split(r#"\"#); x.split(r"\"); + + // should not warn, the char versions are actually slower in some cases + x.strip_prefix("x"); + x.strip_suffix("x"); } diff --git a/tests/ui/single_char_pattern.stderr b/tests/ui/single_char_pattern.stderr index 5a2ec6c764b1..b2deed23cbd5 100644 --- a/tests/ui/single_char_pattern.stderr +++ b/tests/ui/single_char_pattern.stderr @@ -7,24 +7,6 @@ LL | x.split("x"); = note: `-D clippy::single-char-pattern` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::single_char_pattern)]` -error: single-character string constant used as pattern - --> tests/ui/single_char_pattern.rs:13:13 - | -LL | x.split("ß"); - | ^^^ help: consider using a `char`: `'ß'` - -error: single-character string constant used as pattern - --> tests/ui/single_char_pattern.rs:14:13 - | -LL | x.split("ℝ"); - | ^^^ help: consider using a `char`: `'ℝ'` - -error: single-character string constant used as pattern - --> tests/ui/single_char_pattern.rs:15:13 - | -LL | x.split("💣"); - | ^^^^ help: consider using a `char`: `'💣'` - error: single-character string constant used as pattern --> tests/ui/single_char_pattern.rs:18:23 | @@ -140,106 +122,94 @@ LL | x.trim_end_matches("x"); | ^^^ help: consider using a `char`: `'x'` error: single-character string constant used as pattern - --> tests/ui/single_char_pattern.rs:37:20 - | -LL | x.strip_prefix("x"); - | ^^^ help: consider using a `char`: `'x'` - -error: single-character string constant used as pattern - --> tests/ui/single_char_pattern.rs:38:20 - | -LL | x.strip_suffix("x"); - | ^^^ help: consider using a `char`: `'x'` - -error: single-character string constant used as pattern - --> tests/ui/single_char_pattern.rs:39:15 + --> tests/ui/single_char_pattern.rs:37:15 | LL | x.replace("x", "y"); | ^^^ help: consider using a `char`: `'x'` error: single-character string constant used as pattern - --> tests/ui/single_char_pattern.rs:40:16 + --> tests/ui/single_char_pattern.rs:38:16 | LL | x.replacen("x", "y", 3); | ^^^ help: consider using a `char`: `'x'` error: single-character string constant used as pattern - --> tests/ui/single_char_pattern.rs:42:13 + --> tests/ui/single_char_pattern.rs:40:13 | LL | x.split("\n"); | ^^^^ help: consider using a `char`: `'\n'` error: single-character string constant used as pattern - --> tests/ui/single_char_pattern.rs:43:13 + --> tests/ui/single_char_pattern.rs:41:13 | LL | x.split("'"); | ^^^ help: consider using a `char`: `'\''` error: single-character string constant used as pattern - --> tests/ui/single_char_pattern.rs:44:13 + --> tests/ui/single_char_pattern.rs:42:13 | LL | x.split("\'"); | ^^^^ help: consider using a `char`: `'\''` error: single-character string constant used as pattern - --> tests/ui/single_char_pattern.rs:46:13 + --> tests/ui/single_char_pattern.rs:44:13 | LL | x.split("\""); | ^^^^ help: consider using a `char`: `'"'` error: single-character string constant used as pattern - --> tests/ui/single_char_pattern.rs:51:31 + --> tests/ui/single_char_pattern.rs:49:31 | LL | x.replace(';', ",").split(","); // issue #2978 | ^^^ help: consider using a `char`: `','` error: single-character string constant used as pattern - --> tests/ui/single_char_pattern.rs:52:19 + --> tests/ui/single_char_pattern.rs:50:19 | LL | x.starts_with("\x03"); // issue #2996 | ^^^^^^ help: consider using a `char`: `'\x03'` error: single-character string constant used as pattern - --> tests/ui/single_char_pattern.rs:59:13 + --> tests/ui/single_char_pattern.rs:57:13 | LL | x.split(r"a"); | ^^^^ help: consider using a `char`: `'a'` error: single-character string constant used as pattern - --> tests/ui/single_char_pattern.rs:60:13 + --> tests/ui/single_char_pattern.rs:58:13 | LL | x.split(r#"a"#); | ^^^^^^ help: consider using a `char`: `'a'` error: single-character string constant used as pattern - --> tests/ui/single_char_pattern.rs:61:13 + --> tests/ui/single_char_pattern.rs:59:13 | LL | x.split(r###"a"###); | ^^^^^^^^^^ help: consider using a `char`: `'a'` error: single-character string constant used as pattern - --> tests/ui/single_char_pattern.rs:62:13 + --> tests/ui/single_char_pattern.rs:60:13 | LL | x.split(r###"'"###); | ^^^^^^^^^^ help: consider using a `char`: `'\''` error: single-character string constant used as pattern - --> tests/ui/single_char_pattern.rs:63:13 + --> tests/ui/single_char_pattern.rs:61:13 | LL | x.split(r###"#"###); | ^^^^^^^^^^ help: consider using a `char`: `'#'` error: single-character string constant used as pattern - --> tests/ui/single_char_pattern.rs:65:13 + --> tests/ui/single_char_pattern.rs:63:13 | LL | x.split(r#"\"#); | ^^^^^^ help: consider using a `char`: `'\\'` error: single-character string constant used as pattern - --> tests/ui/single_char_pattern.rs:66:13 + --> tests/ui/single_char_pattern.rs:64:13 | LL | x.split(r"\"); | ^^^^ help: consider using a `char`: `'\\'` -error: aborting due to 40 previous errors +error: aborting due to 35 previous errors diff --git a/tests/ui/thread_local_initializer_can_be_made_const.fixed b/tests/ui/thread_local_initializer_can_be_made_const.fixed index a6ed59d49c54..4c9bd0bd8634 100644 --- a/tests/ui/thread_local_initializer_can_be_made_const.fixed +++ b/tests/ui/thread_local_initializer_can_be_made_const.fixed @@ -1,6 +1,6 @@ #![warn(clippy::thread_local_initializer_can_be_made_const)] -use std::cell::RefCell; +use std::cell::{Cell, RefCell}; fn main() { // lint and suggest const @@ -36,6 +36,37 @@ fn main() { } } +fn issue_12637() { + /// The set methods on LocalKey> and LocalKey> are + /// guaranteed to bypass the thread_local's initialization expression. + /// See rust-lang/rust#92122. Thus, = panic!() is a useful idiom for + /// forcing the use of set on each thread before it accesses the thread local in any other + /// manner. + thread_local! { + static STATE_12637_PANIC: Cell = panic!(); + } + STATE_12637_PANIC.set(9); + println!("{}", STATE_12637_PANIC.get()); + + thread_local! { + static STATE_12637_TODO: Cell = todo!(); + } + STATE_12637_TODO.set(9); + println!("{}", STATE_12637_TODO.get()); + + thread_local! { + static STATE_12637_UNIMPLEMENTED: Cell = unimplemented!(); + } + STATE_12637_UNIMPLEMENTED.set(9); + println!("{}", STATE_12637_UNIMPLEMENTED.get()); + + thread_local! { + static STATE_12637_UNREACHABLE: Cell = unreachable!(); + } + STATE_12637_UNREACHABLE.set(9); + println!("{}", STATE_12637_UNREACHABLE.get()); +} + #[clippy::msrv = "1.58"] fn f() { thread_local! { diff --git a/tests/ui/thread_local_initializer_can_be_made_const.rs b/tests/ui/thread_local_initializer_can_be_made_const.rs index 3f0159c58065..eb336f0dd191 100644 --- a/tests/ui/thread_local_initializer_can_be_made_const.rs +++ b/tests/ui/thread_local_initializer_can_be_made_const.rs @@ -1,6 +1,6 @@ #![warn(clippy::thread_local_initializer_can_be_made_const)] -use std::cell::RefCell; +use std::cell::{Cell, RefCell}; fn main() { // lint and suggest const @@ -36,6 +36,37 @@ fn main() { } } +fn issue_12637() { + /// The set methods on LocalKey> and LocalKey> are + /// guaranteed to bypass the thread_local's initialization expression. + /// See rust-lang/rust#92122. Thus, = panic!() is a useful idiom for + /// forcing the use of set on each thread before it accesses the thread local in any other + /// manner. + thread_local! { + static STATE_12637_PANIC: Cell = panic!(); + } + STATE_12637_PANIC.set(9); + println!("{}", STATE_12637_PANIC.get()); + + thread_local! { + static STATE_12637_TODO: Cell = todo!(); + } + STATE_12637_TODO.set(9); + println!("{}", STATE_12637_TODO.get()); + + thread_local! { + static STATE_12637_UNIMPLEMENTED: Cell = unimplemented!(); + } + STATE_12637_UNIMPLEMENTED.set(9); + println!("{}", STATE_12637_UNIMPLEMENTED.get()); + + thread_local! { + static STATE_12637_UNREACHABLE: Cell = unreachable!(); + } + STATE_12637_UNREACHABLE.set(9); + println!("{}", STATE_12637_UNREACHABLE.get()); +} + #[clippy::msrv = "1.58"] fn f() { thread_local! { diff --git a/tests/ui/type_complexity.rs b/tests/ui/type_complexity.rs index b057dc4e89f2..be28ee2da0cd 100644 --- a/tests/ui/type_complexity.rs +++ b/tests/ui/type_complexity.rs @@ -1,5 +1,3 @@ -//@compile-flags: -Zdeduplicate-diagnostics=yes - #![warn(clippy::all)] #![allow(unused, clippy::needless_pass_by_value, clippy::vec_box, clippy::useless_vec)] #![feature(associated_type_defaults)] diff --git a/tests/ui/type_complexity.stderr b/tests/ui/type_complexity.stderr index bfbab8647e85..9e27899e4f90 100644 --- a/tests/ui/type_complexity.stderr +++ b/tests/ui/type_complexity.stderr @@ -1,5 +1,5 @@ error: very complex type used. Consider factoring parts into `type` definitions - --> tests/ui/type_complexity.rs:9:12 + --> tests/ui/type_complexity.rs:7:12 | LL | const CST: (u32, (u32, (u32, (u32, u32)))) = (0, (0, (0, (0, 0)))); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -8,85 +8,85 @@ LL | const CST: (u32, (u32, (u32, (u32, u32)))) = (0, (0, (0, (0, 0)))); = help: to override `-D warnings` add `#[allow(clippy::type_complexity)]` error: very complex type used. Consider factoring parts into `type` definitions - --> tests/ui/type_complexity.rs:12:12 + --> tests/ui/type_complexity.rs:10:12 | LL | static ST: (u32, (u32, (u32, (u32, u32)))) = (0, (0, (0, (0, 0)))); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: very complex type used. Consider factoring parts into `type` definitions - --> tests/ui/type_complexity.rs:16:8 + --> tests/ui/type_complexity.rs:14:8 | LL | f: Vec>>, | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: very complex type used. Consider factoring parts into `type` definitions - --> tests/ui/type_complexity.rs:20:11 + --> tests/ui/type_complexity.rs:18:11 | LL | struct Ts(Vec>>); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: very complex type used. Consider factoring parts into `type` definitions - --> tests/ui/type_complexity.rs:24:11 + --> tests/ui/type_complexity.rs:22:11 | LL | Tuple(Vec>>), | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: very complex type used. Consider factoring parts into `type` definitions - --> tests/ui/type_complexity.rs:26:17 + --> tests/ui/type_complexity.rs:24:17 | LL | Struct { f: Vec>> }, | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: very complex type used. Consider factoring parts into `type` definitions - --> tests/ui/type_complexity.rs:31:14 + --> tests/ui/type_complexity.rs:29:14 | LL | const A: (u32, (u32, (u32, (u32, u32)))) = (0, (0, (0, (0, 0)))); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: very complex type used. Consider factoring parts into `type` definitions - --> tests/ui/type_complexity.rs:33:30 + --> tests/ui/type_complexity.rs:31:30 | LL | fn impl_method(&self, p: Vec>>) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: very complex type used. Consider factoring parts into `type` definitions - --> tests/ui/type_complexity.rs:38:14 + --> tests/ui/type_complexity.rs:36:14 | LL | const A: Vec>>; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: very complex type used. Consider factoring parts into `type` definitions - --> tests/ui/type_complexity.rs:40:14 + --> tests/ui/type_complexity.rs:38:14 | LL | type B = Vec>>; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: very complex type used. Consider factoring parts into `type` definitions - --> tests/ui/type_complexity.rs:42:25 + --> tests/ui/type_complexity.rs:40:25 | LL | fn method(&self, p: Vec>>); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: very complex type used. Consider factoring parts into `type` definitions - --> tests/ui/type_complexity.rs:44:29 + --> tests/ui/type_complexity.rs:42:29 | LL | fn def_method(&self, p: Vec>>) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: very complex type used. Consider factoring parts into `type` definitions - --> tests/ui/type_complexity.rs:57:15 + --> tests/ui/type_complexity.rs:55:15 | LL | fn test1() -> Vec>> { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: very complex type used. Consider factoring parts into `type` definitions - --> tests/ui/type_complexity.rs:62:14 + --> tests/ui/type_complexity.rs:60:14 | LL | fn test2(_x: Vec>>) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: very complex type used. Consider factoring parts into `type` definitions - --> tests/ui/type_complexity.rs:66:13 + --> tests/ui/type_complexity.rs:64:13 | LL | let _y: Vec>> = vec![]; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ diff --git a/tests/ui/type_id_on_box_unfixable.rs b/tests/ui/type_id_on_box_unfixable.rs index f6d09834adb1..67e398e604b4 100644 --- a/tests/ui/type_id_on_box_unfixable.rs +++ b/tests/ui/type_id_on_box_unfixable.rs @@ -19,7 +19,7 @@ where impl NormalTrait for T {} fn main() { - // (currently we don't look deeper than one level into the supertrait hierachy, but we probably + // (currently we don't look deeper than one level into the supertrait hierarchy, but we probably // could) let b: Box = Box::new(1); let _ = b.type_id(); diff --git a/triagebot.toml b/triagebot.toml index 901977da25be..4d66b728b76d 100644 --- a/triagebot.toml +++ b/triagebot.toml @@ -20,7 +20,6 @@ new_pr = true [assign] contributing_url = "https://github.com/rust-lang/rust-clippy/blob/master/CONTRIBUTING.md" users_on_vacation = [ - "y21", "matthiaskrgr", "giraffate", "Centri3", diff --git a/util/gh-pages/script.js b/util/gh-pages/script.js index f59245e556cd..c63edd5bf709 100644 --- a/util/gh-pages/script.js +++ b/util/gh-pages/script.js @@ -415,7 +415,7 @@ let terms = searchStr.split(" "); let docsLowerCase = lint.docs.toLowerCase(); for (index = 0; index < terms.length; index++) { - // This is more likely and will therefor be checked first + // This is more likely and will therefore be checked first if (docsLowerCase.indexOf(terms[index]) !== -1) { continue; } From a032189503f9ead85caefd541fd7b8553e3c1dad Mon Sep 17 00:00:00 2001 From: Ruihan Li Date: Fri, 26 Apr 2024 17:26:35 +0800 Subject: [PATCH 0040/1716] Fix significant drop detection --- .../matches/significant_drop_in_scrutinee.rs | 60 +++++++++++-------- tests/ui/significant_drop_in_scrutinee.stderr | 10 +++- 2 files changed, 42 insertions(+), 28 deletions(-) diff --git a/clippy_lints/src/matches/significant_drop_in_scrutinee.rs b/clippy_lints/src/matches/significant_drop_in_scrutinee.rs index 10c3203725a8..6b6ded1a337d 100644 --- a/clippy_lints/src/matches/significant_drop_in_scrutinee.rs +++ b/clippy_lints/src/matches/significant_drop_in_scrutinee.rs @@ -119,41 +119,49 @@ impl<'a, 'tcx> SigDropChecker<'a, 'tcx> { self.cx.typeck_results().expr_ty(ex) } - fn has_seen_type(&mut self, ty: Ty<'tcx>) -> bool { - !self.seen_types.insert(ty) + fn has_sig_drop_attr(&mut self, cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool { + self.seen_types.clear(); + self.has_sig_drop_attr_impl(cx, ty) } - fn has_sig_drop_attr(&mut self, cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool { + fn has_sig_drop_attr_impl(&mut self, cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool { if let Some(adt) = ty.ty_adt_def() { if get_attr(cx.sess(), cx.tcx.get_attrs_unchecked(adt.did()), "has_significant_drop").count() > 0 { return true; } } - match ty.kind() { - rustc_middle::ty::Adt(a, b) => { - for f in a.all_fields() { - let ty = f.ty(cx.tcx, b); - if !self.has_seen_type(ty) && self.has_sig_drop_attr(cx, ty) { - return true; - } - } - - for generic_arg in *b { - if let GenericArgKind::Type(ty) = generic_arg.unpack() { - if self.has_sig_drop_attr(cx, ty) { - return true; - } - } - } - false - }, - rustc_middle::ty::Array(ty, _) - | rustc_middle::ty::RawPtr(ty, _) - | rustc_middle::ty::Ref(_, ty, _) - | rustc_middle::ty::Slice(ty) => self.has_sig_drop_attr(cx, *ty), - _ => false, + if !self.seen_types.insert(ty) { + return false; } + + let result = match ty.kind() { + rustc_middle::ty::Adt(adt, args) => { + // if some field has significant drop, + adt.all_fields() + .map(|field| field.ty(cx.tcx, args)) + .any(|ty| self.has_sig_drop_attr(cx, ty)) + // or if there is no generic lifetime and.. + // (to avoid false positive on `Ref<'a, MutexGuard>`) + || (args + .iter() + .all(|arg| !matches!(arg.unpack(), GenericArgKind::Lifetime(_))) + // some generic parameter has significant drop + // (to avoid false negative on `Box>`) + && args + .iter() + .filter_map(|arg| match arg.unpack() { + GenericArgKind::Type(ty) => Some(ty), + _ => None, + }) + .any(|ty| self.has_sig_drop_attr(cx, ty))) + }, + rustc_middle::ty::Tuple(tys) => tys.iter().any(|ty| self.has_sig_drop_attr(cx, ty)), + rustc_middle::ty::Array(ty, _) | rustc_middle::ty::Slice(ty) => self.has_sig_drop_attr(cx, *ty), + _ => false, + }; + + result } } diff --git a/tests/ui/significant_drop_in_scrutinee.stderr b/tests/ui/significant_drop_in_scrutinee.stderr index 7d5b1acc7f00..1f19eff06316 100644 --- a/tests/ui/significant_drop_in_scrutinee.stderr +++ b/tests/ui/significant_drop_in_scrutinee.stderr @@ -28,6 +28,9 @@ LL | match s.lock_m().get_the_value() { LL | println!("{}", s.lock_m().get_the_value()); | ---------- another value with significant `Drop` created here ... +LL | println!("{}", s.lock_m().get_the_value()); + | ---------- another value with significant `Drop` created here +... LL | } | - temporary lives until here | @@ -47,6 +50,9 @@ LL | match s.lock_m_m().get_the_value() { LL | println!("{}", s.lock_m().get_the_value()); | ---------- another value with significant `Drop` created here ... +LL | println!("{}", s.lock_m().get_the_value()); + | ---------- another value with significant `Drop` created here +... LL | } | - temporary lives until here | @@ -360,7 +366,7 @@ LL | match s.lock().deref().deref() { | ^^^^^^^^^^^^^^^^^^^^^^^^ ... LL | _ => println!("Value is {}", s.lock().deref()), - | ---------------- another value with significant `Drop` created here + | -------- another value with significant `Drop` created here LL | }; | - temporary lives until here | @@ -378,7 +384,7 @@ LL | match s.lock().deref().deref() { | ^^^^^^^^^^^^^^^^^^^^^^^^ ... LL | matcher => println!("Value is {}", s.lock().deref()), - | ---------------- another value with significant `Drop` created here + | -------- another value with significant `Drop` created here LL | _ => println!("Value was not a match"), LL | }; | - temporary lives until here From 8d8c0bfb0e2d50ca2a7a4fbbd10cb2e62a319539 Mon Sep 17 00:00:00 2001 From: Rebecca Turner Date: Thu, 2 May 2024 11:55:11 -0700 Subject: [PATCH 0041/1716] useless_attribute: allow clippy::disallowed_types Closes https://github.com/rust-lang/rust-clippy/issues/12753 --- clippy_lints/src/attrs/useless_attribute.rs | 1 + .../ui-toml/toml_disallowed_types/conf_disallowed_types.rs | 6 ++++++ 2 files changed, 7 insertions(+) diff --git a/clippy_lints/src/attrs/useless_attribute.rs b/clippy_lints/src/attrs/useless_attribute.rs index 7575f502a7c2..7515ee9bbc87 100644 --- a/clippy_lints/src/attrs/useless_attribute.rs +++ b/clippy_lints/src/attrs/useless_attribute.rs @@ -35,6 +35,7 @@ pub(super) fn check(cx: &LateContext<'_>, item: &Item<'_>, attrs: &[Attribute]) | "unsafe_removed_from_name" | "module_name_repetitions" | "single_component_path_imports" + | "disallowed_types" ) }) { diff --git a/tests/ui-toml/toml_disallowed_types/conf_disallowed_types.rs b/tests/ui-toml/toml_disallowed_types/conf_disallowed_types.rs index 7f28efd676f2..f02bd07cfe7b 100644 --- a/tests/ui-toml/toml_disallowed_types/conf_disallowed_types.rs +++ b/tests/ui-toml/toml_disallowed_types/conf_disallowed_types.rs @@ -40,3 +40,9 @@ fn main() { let _ = HashMap; let _: usize = 64_usize; } + +mod useless_attribute { + // Regression test for https://github.com/rust-lang/rust-clippy/issues/12753 + #[allow(clippy::disallowed_types)] + use std::collections::HashMap; +} From 17d2ab8f6247ea325bdc7e1c9943a0dcaf31568d Mon Sep 17 00:00:00 2001 From: Rebecca Turner Date: Thu, 2 May 2024 11:56:05 -0700 Subject: [PATCH 0042/1716] useless_attribute: allow unused_braces --- clippy_lints/src/attrs/useless_attribute.rs | 1 + tests/ui/useless_attribute.fixed | 1 + tests/ui/useless_attribute.rs | 1 + 3 files changed, 3 insertions(+) diff --git a/clippy_lints/src/attrs/useless_attribute.rs b/clippy_lints/src/attrs/useless_attribute.rs index 7515ee9bbc87..40572731bb14 100644 --- a/clippy_lints/src/attrs/useless_attribute.rs +++ b/clippy_lints/src/attrs/useless_attribute.rs @@ -25,6 +25,7 @@ pub(super) fn check(cx: &LateContext<'_>, item: &Item<'_>, attrs: &[Attribute]) || is_word(lint, sym!(unreachable_pub)) || is_word(lint, sym!(unused)) || is_word(lint, sym!(unused_import_braces)) + || is_word(lint, sym!(unused_braces)) || extract_clippy_lint(lint).map_or(false, |s| { matches!( s.as_str(), diff --git a/tests/ui/useless_attribute.fixed b/tests/ui/useless_attribute.fixed index 81759086f79e..cb1c03464040 100644 --- a/tests/ui/useless_attribute.fixed +++ b/tests/ui/useless_attribute.fixed @@ -86,6 +86,7 @@ mod module { #[rustfmt::skip] #[allow(unused_import_braces)] +#[allow(unused_braces)] use module::{Struct}; fn main() { diff --git a/tests/ui/useless_attribute.rs b/tests/ui/useless_attribute.rs index 59a9dcf093bc..44a52cba043e 100644 --- a/tests/ui/useless_attribute.rs +++ b/tests/ui/useless_attribute.rs @@ -86,6 +86,7 @@ mod module { #[rustfmt::skip] #[allow(unused_import_braces)] +#[allow(unused_braces)] use module::{Struct}; fn main() { From e9761bdc015430b818ee771b2acf00a00b40bd97 Mon Sep 17 00:00:00 2001 From: Rebecca Turner Date: Thu, 2 May 2024 11:56:38 -0700 Subject: [PATCH 0043/1716] useless_attribute: allow dead_code Closes https://github.com/rust-lang/rust-clippy/issues/4467 --- clippy_lints/src/attrs/useless_attribute.rs | 1 + tests/ui/useless_attribute.fixed | 4 ++++ tests/ui/useless_attribute.rs | 4 ++++ 3 files changed, 9 insertions(+) diff --git a/clippy_lints/src/attrs/useless_attribute.rs b/clippy_lints/src/attrs/useless_attribute.rs index 40572731bb14..720e4e7932d0 100644 --- a/clippy_lints/src/attrs/useless_attribute.rs +++ b/clippy_lints/src/attrs/useless_attribute.rs @@ -26,6 +26,7 @@ pub(super) fn check(cx: &LateContext<'_>, item: &Item<'_>, attrs: &[Attribute]) || is_word(lint, sym!(unused)) || is_word(lint, sym!(unused_import_braces)) || is_word(lint, sym!(unused_braces)) + || is_word(lint, sym!(dead_code)) || extract_clippy_lint(lint).map_or(false, |s| { matches!( s.as_str(), diff --git a/tests/ui/useless_attribute.fixed b/tests/ui/useless_attribute.fixed index cb1c03464040..5fafc05cddeb 100644 --- a/tests/ui/useless_attribute.fixed +++ b/tests/ui/useless_attribute.fixed @@ -92,3 +92,7 @@ use module::{Struct}; fn main() { test_indented_attr(); } + +// Regression test for https://github.com/rust-lang/rust-clippy/issues/4467 +#[allow(dead_code)] +use std::collections as puppy_doggy; diff --git a/tests/ui/useless_attribute.rs b/tests/ui/useless_attribute.rs index 44a52cba043e..c9de7677ff8c 100644 --- a/tests/ui/useless_attribute.rs +++ b/tests/ui/useless_attribute.rs @@ -92,3 +92,7 @@ use module::{Struct}; fn main() { test_indented_attr(); } + +// Regression test for https://github.com/rust-lang/rust-clippy/issues/4467 +#[allow(dead_code)] +use std::collections as puppy_doggy; From 96e69d9b43f1de81ead394c76b5552ab4daf88f1 Mon Sep 17 00:00:00 2001 From: Rebecca Turner Date: Thu, 2 May 2024 11:57:06 -0700 Subject: [PATCH 0044/1716] useless_attribute: allow hidden_glob_reexports Closes https://github.com/rust-lang/rust-clippy/issues/11595 --- clippy_lints/src/attrs/useless_attribute.rs | 3 ++- tests/ui/useless_attribute.fixed | 21 +++++++++++++++++++++ tests/ui/useless_attribute.rs | 21 +++++++++++++++++++++ 3 files changed, 44 insertions(+), 1 deletion(-) diff --git a/clippy_lints/src/attrs/useless_attribute.rs b/clippy_lints/src/attrs/useless_attribute.rs index 720e4e7932d0..00f324e4de54 100644 --- a/clippy_lints/src/attrs/useless_attribute.rs +++ b/clippy_lints/src/attrs/useless_attribute.rs @@ -26,7 +26,8 @@ pub(super) fn check(cx: &LateContext<'_>, item: &Item<'_>, attrs: &[Attribute]) || is_word(lint, sym!(unused)) || is_word(lint, sym!(unused_import_braces)) || is_word(lint, sym!(unused_braces)) - || is_word(lint, sym!(dead_code)) + || is_word(lint, sym::dead_code) + || is_word(lint, sym!(hidden_glob_reexports)) || extract_clippy_lint(lint).map_or(false, |s| { matches!( s.as_str(), diff --git a/tests/ui/useless_attribute.fixed b/tests/ui/useless_attribute.fixed index 5fafc05cddeb..401c384c39ca 100644 --- a/tests/ui/useless_attribute.fixed +++ b/tests/ui/useless_attribute.fixed @@ -96,3 +96,24 @@ fn main() { // Regression test for https://github.com/rust-lang/rust-clippy/issues/4467 #[allow(dead_code)] use std::collections as puppy_doggy; + +// Regression test for https://github.com/rust-lang/rust-clippy/issues/11595 +pub mod hidden_glob_reexports { + #![allow(unreachable_pub)] + + mod my_prelude { + pub struct MyCoolTypeInternal; + pub use MyCoolTypeInternal as MyCoolType; + } + + mod my_uncool_type { + pub(crate) struct MyUncoolType; + } + + // This exports `MyCoolType`. + pub use my_prelude::*; + + // This hides `my_prelude::MyCoolType`. + #[allow(hidden_glob_reexports)] + use my_uncool_type::MyUncoolType as MyCoolType; +} diff --git a/tests/ui/useless_attribute.rs b/tests/ui/useless_attribute.rs index c9de7677ff8c..6629942ff5e4 100644 --- a/tests/ui/useless_attribute.rs +++ b/tests/ui/useless_attribute.rs @@ -96,3 +96,24 @@ fn main() { // Regression test for https://github.com/rust-lang/rust-clippy/issues/4467 #[allow(dead_code)] use std::collections as puppy_doggy; + +// Regression test for https://github.com/rust-lang/rust-clippy/issues/11595 +pub mod hidden_glob_reexports { + #![allow(unreachable_pub)] + + mod my_prelude { + pub struct MyCoolTypeInternal; + pub use MyCoolTypeInternal as MyCoolType; + } + + mod my_uncool_type { + pub(crate) struct MyUncoolType; + } + + // This exports `MyCoolType`. + pub use my_prelude::*; + + // This hides `my_prelude::MyCoolType`. + #[allow(hidden_glob_reexports)] + use my_uncool_type::MyUncoolType as MyCoolType; +} From db0cbbacb774e7c645c740b27914aec313ed0a7e Mon Sep 17 00:00:00 2001 From: Rebecca Turner Date: Thu, 2 May 2024 11:57:27 -0700 Subject: [PATCH 0045/1716] useless_attribute: allow ambiguous_glob_exports Closes https://github.com/rust-lang/rust-clippy/issues/10878 --- clippy_lints/src/attrs/useless_attribute.rs | 1 + tests/ui/useless_attribute.fixed | 17 +++++++++++++++++ tests/ui/useless_attribute.rs | 17 +++++++++++++++++ 3 files changed, 35 insertions(+) diff --git a/clippy_lints/src/attrs/useless_attribute.rs b/clippy_lints/src/attrs/useless_attribute.rs index 00f324e4de54..f6f4d7804404 100644 --- a/clippy_lints/src/attrs/useless_attribute.rs +++ b/clippy_lints/src/attrs/useless_attribute.rs @@ -28,6 +28,7 @@ pub(super) fn check(cx: &LateContext<'_>, item: &Item<'_>, attrs: &[Attribute]) || is_word(lint, sym!(unused_braces)) || is_word(lint, sym::dead_code) || is_word(lint, sym!(hidden_glob_reexports)) + || is_word(lint, sym!(ambiguous_glob_reexports)) || extract_clippy_lint(lint).map_or(false, |s| { matches!( s.as_str(), diff --git a/tests/ui/useless_attribute.fixed b/tests/ui/useless_attribute.fixed index 401c384c39ca..231fc0a892ad 100644 --- a/tests/ui/useless_attribute.fixed +++ b/tests/ui/useless_attribute.fixed @@ -117,3 +117,20 @@ pub mod hidden_glob_reexports { #[allow(hidden_glob_reexports)] use my_uncool_type::MyUncoolType as MyCoolType; } + +// Regression test for https://github.com/rust-lang/rust-clippy/issues/10878 +pub mod ambiguous_glob_exports { + #![allow(unreachable_pub)] + + mod my_prelude { + pub struct MyType; + } + + mod my_type { + pub struct MyType; + } + + #[allow(ambiguous_glob_reexports)] + pub use my_prelude::*; + pub use my_type::*; +} diff --git a/tests/ui/useless_attribute.rs b/tests/ui/useless_attribute.rs index 6629942ff5e4..8dfcd2110a4b 100644 --- a/tests/ui/useless_attribute.rs +++ b/tests/ui/useless_attribute.rs @@ -117,3 +117,20 @@ pub mod hidden_glob_reexports { #[allow(hidden_glob_reexports)] use my_uncool_type::MyUncoolType as MyCoolType; } + +// Regression test for https://github.com/rust-lang/rust-clippy/issues/10878 +pub mod ambiguous_glob_exports { + #![allow(unreachable_pub)] + + mod my_prelude { + pub struct MyType; + } + + mod my_type { + pub struct MyType; + } + + #[allow(ambiguous_glob_reexports)] + pub use my_prelude::*; + pub use my_type::*; +} From 68a6cbfc6c28a7d91d250230262657b5e796c5ae Mon Sep 17 00:00:00 2001 From: Ross Smyth <18294397+RossSmyth@users.noreply.github.com> Date: Sun, 28 Apr 2024 00:39:32 -0400 Subject: [PATCH 0046/1716] Update clippy tests for stable exclusive_range --- tests/ui/almost_complete_range.fixed | 1 - tests/ui/almost_complete_range.rs | 1 - tests/ui/almost_complete_range.stderr | 54 +++++++++++++-------------- tests/ui/manual_range_patterns.fixed | 1 - tests/ui/manual_range_patterns.rs | 1 - tests/ui/manual_range_patterns.stderr | 38 +++++++++---------- tests/ui/match_overlapping_arm.rs | 1 - tests/ui/match_overlapping_arm.stderr | 32 ++++++++-------- tests/ui/match_wild_err_arm.rs | 1 - tests/ui/match_wild_err_arm.stderr | 8 ++-- 10 files changed, 66 insertions(+), 72 deletions(-) diff --git a/tests/ui/almost_complete_range.fixed b/tests/ui/almost_complete_range.fixed index 21caeb153e77..6c2b2f117437 100644 --- a/tests/ui/almost_complete_range.fixed +++ b/tests/ui/almost_complete_range.fixed @@ -1,7 +1,6 @@ //@edition:2018 //@aux-build:proc_macros.rs -#![feature(exclusive_range_pattern)] #![feature(stmt_expr_attributes)] #![warn(clippy::almost_complete_range)] #![allow(ellipsis_inclusive_range_patterns)] diff --git a/tests/ui/almost_complete_range.rs b/tests/ui/almost_complete_range.rs index 556110a5c8aa..813668a53096 100644 --- a/tests/ui/almost_complete_range.rs +++ b/tests/ui/almost_complete_range.rs @@ -1,7 +1,6 @@ //@edition:2018 //@aux-build:proc_macros.rs -#![feature(exclusive_range_pattern)] #![feature(stmt_expr_attributes)] #![warn(clippy::almost_complete_range)] #![allow(ellipsis_inclusive_range_patterns)] diff --git a/tests/ui/almost_complete_range.stderr b/tests/ui/almost_complete_range.stderr index 0195e59226d5..bfc2beb07d85 100644 --- a/tests/ui/almost_complete_range.stderr +++ b/tests/ui/almost_complete_range.stderr @@ -1,5 +1,5 @@ error: almost complete ascii range - --> tests/ui/almost_complete_range.rs:18:17 + --> tests/ui/almost_complete_range.rs:17:17 | LL | let _ = ('a') ..'z'; | ^^^^^^--^^^ @@ -10,7 +10,7 @@ LL | let _ = ('a') ..'z'; = help: to override `-D warnings` add `#[allow(clippy::almost_complete_range)]` error: almost complete ascii range - --> tests/ui/almost_complete_range.rs:19:17 + --> tests/ui/almost_complete_range.rs:18:17 | LL | let _ = 'A' .. ('Z'); | ^^^^--^^^^^^ @@ -18,7 +18,7 @@ LL | let _ = 'A' .. ('Z'); | help: use an inclusive range: `..=` error: almost complete ascii range - --> tests/ui/almost_complete_range.rs:20:17 + --> tests/ui/almost_complete_range.rs:19:17 | LL | let _ = ((('0'))) .. ('9'); | ^^^^^^^^^^--^^^^^^ @@ -26,7 +26,7 @@ LL | let _ = ((('0'))) .. ('9'); | help: use an inclusive range: `..=` error: almost complete ascii range - --> tests/ui/almost_complete_range.rs:27:13 + --> tests/ui/almost_complete_range.rs:26:13 | LL | let _ = (b'a')..(b'z'); | ^^^^^^--^^^^^^ @@ -34,7 +34,7 @@ LL | let _ = (b'a')..(b'z'); | help: use an inclusive range: `..=` error: almost complete ascii range - --> tests/ui/almost_complete_range.rs:28:13 + --> tests/ui/almost_complete_range.rs:27:13 | LL | let _ = b'A'..b'Z'; | ^^^^--^^^^ @@ -42,7 +42,7 @@ LL | let _ = b'A'..b'Z'; | help: use an inclusive range: `..=` error: almost complete ascii range - --> tests/ui/almost_complete_range.rs:29:13 + --> tests/ui/almost_complete_range.rs:28:13 | LL | let _ = b'0'..b'9'; | ^^^^--^^^^ @@ -50,7 +50,7 @@ LL | let _ = b'0'..b'9'; | help: use an inclusive range: `..=` error: almost complete ascii range - --> tests/ui/almost_complete_range.rs:35:13 + --> tests/ui/almost_complete_range.rs:34:13 | LL | let _ = inline!('a')..'z'; | ^^^^^^^^^^^^--^^^ @@ -58,7 +58,7 @@ LL | let _ = inline!('a')..'z'; | help: use an inclusive range: `..=` error: almost complete ascii range - --> tests/ui/almost_complete_range.rs:36:13 + --> tests/ui/almost_complete_range.rs:35:13 | LL | let _ = inline!('A')..'Z'; | ^^^^^^^^^^^^--^^^ @@ -66,7 +66,7 @@ LL | let _ = inline!('A')..'Z'; | help: use an inclusive range: `..=` error: almost complete ascii range - --> tests/ui/almost_complete_range.rs:37:13 + --> tests/ui/almost_complete_range.rs:36:13 | LL | let _ = inline!('0')..'9'; | ^^^^^^^^^^^^--^^^ @@ -74,7 +74,7 @@ LL | let _ = inline!('0')..'9'; | help: use an inclusive range: `..=` error: almost complete ascii range - --> tests/ui/almost_complete_range.rs:40:9 + --> tests/ui/almost_complete_range.rs:39:9 | LL | b'a'..b'z' if true => 1, | ^^^^--^^^^ @@ -82,7 +82,7 @@ LL | b'a'..b'z' if true => 1, | help: use an inclusive range: `..=` error: almost complete ascii range - --> tests/ui/almost_complete_range.rs:41:9 + --> tests/ui/almost_complete_range.rs:40:9 | LL | b'A'..b'Z' if true => 2, | ^^^^--^^^^ @@ -90,7 +90,7 @@ LL | b'A'..b'Z' if true => 2, | help: use an inclusive range: `..=` error: almost complete ascii range - --> tests/ui/almost_complete_range.rs:42:9 + --> tests/ui/almost_complete_range.rs:41:9 | LL | b'0'..b'9' if true => 3, | ^^^^--^^^^ @@ -98,7 +98,7 @@ LL | b'0'..b'9' if true => 3, | help: use an inclusive range: `..=` error: almost complete ascii range - --> tests/ui/almost_complete_range.rs:50:9 + --> tests/ui/almost_complete_range.rs:49:9 | LL | 'a'..'z' if true => 1, | ^^^--^^^ @@ -106,7 +106,7 @@ LL | 'a'..'z' if true => 1, | help: use an inclusive range: `..=` error: almost complete ascii range - --> tests/ui/almost_complete_range.rs:51:9 + --> tests/ui/almost_complete_range.rs:50:9 | LL | 'A'..'Z' if true => 2, | ^^^--^^^ @@ -114,7 +114,7 @@ LL | 'A'..'Z' if true => 2, | help: use an inclusive range: `..=` error: almost complete ascii range - --> tests/ui/almost_complete_range.rs:52:9 + --> tests/ui/almost_complete_range.rs:51:9 | LL | '0'..'9' if true => 3, | ^^^--^^^ @@ -122,7 +122,7 @@ LL | '0'..'9' if true => 3, | help: use an inclusive range: `..=` error: almost complete ascii range - --> tests/ui/almost_complete_range.rs:65:17 + --> tests/ui/almost_complete_range.rs:64:17 | LL | let _ = 'a'..'z'; | ^^^--^^^ @@ -132,7 +132,7 @@ LL | let _ = 'a'..'z'; = note: this error originates in the macro `__inline_mac_fn_main` (in Nightly builds, run with -Z macro-backtrace for more info) error: almost complete ascii range - --> tests/ui/almost_complete_range.rs:66:17 + --> tests/ui/almost_complete_range.rs:65:17 | LL | let _ = 'A'..'Z'; | ^^^--^^^ @@ -142,7 +142,7 @@ LL | let _ = 'A'..'Z'; = note: this error originates in the macro `__inline_mac_fn_main` (in Nightly builds, run with -Z macro-backtrace for more info) error: almost complete ascii range - --> tests/ui/almost_complete_range.rs:67:17 + --> tests/ui/almost_complete_range.rs:66:17 | LL | let _ = '0'..'9'; | ^^^--^^^ @@ -152,7 +152,7 @@ LL | let _ = '0'..'9'; = note: this error originates in the macro `__inline_mac_fn_main` (in Nightly builds, run with -Z macro-backtrace for more info) error: almost complete ascii range - --> tests/ui/almost_complete_range.rs:74:9 + --> tests/ui/almost_complete_range.rs:73:9 | LL | 'a'..'z' => 1, | ^^^--^^^ @@ -160,7 +160,7 @@ LL | 'a'..'z' => 1, | help: use an inclusive range: `...` error: almost complete ascii range - --> tests/ui/almost_complete_range.rs:75:9 + --> tests/ui/almost_complete_range.rs:74:9 | LL | 'A'..'Z' => 2, | ^^^--^^^ @@ -168,7 +168,7 @@ LL | 'A'..'Z' => 2, | help: use an inclusive range: `...` error: almost complete ascii range - --> tests/ui/almost_complete_range.rs:76:9 + --> tests/ui/almost_complete_range.rs:75:9 | LL | '0'..'9' => 3, | ^^^--^^^ @@ -176,7 +176,7 @@ LL | '0'..'9' => 3, | help: use an inclusive range: `...` error: almost complete ascii range - --> tests/ui/almost_complete_range.rs:83:13 + --> tests/ui/almost_complete_range.rs:82:13 | LL | let _ = 'a'..'z'; | ^^^--^^^ @@ -184,7 +184,7 @@ LL | let _ = 'a'..'z'; | help: use an inclusive range: `..=` error: almost complete ascii range - --> tests/ui/almost_complete_range.rs:84:13 + --> tests/ui/almost_complete_range.rs:83:13 | LL | let _ = 'A'..'Z'; | ^^^--^^^ @@ -192,7 +192,7 @@ LL | let _ = 'A'..'Z'; | help: use an inclusive range: `..=` error: almost complete ascii range - --> tests/ui/almost_complete_range.rs:85:13 + --> tests/ui/almost_complete_range.rs:84:13 | LL | let _ = '0'..'9'; | ^^^--^^^ @@ -200,7 +200,7 @@ LL | let _ = '0'..'9'; | help: use an inclusive range: `..=` error: almost complete ascii range - --> tests/ui/almost_complete_range.rs:87:9 + --> tests/ui/almost_complete_range.rs:86:9 | LL | 'a'..'z' => 1, | ^^^--^^^ @@ -208,7 +208,7 @@ LL | 'a'..'z' => 1, | help: use an inclusive range: `..=` error: almost complete ascii range - --> tests/ui/almost_complete_range.rs:88:9 + --> tests/ui/almost_complete_range.rs:87:9 | LL | 'A'..'Z' => 1, | ^^^--^^^ @@ -216,7 +216,7 @@ LL | 'A'..'Z' => 1, | help: use an inclusive range: `..=` error: almost complete ascii range - --> tests/ui/almost_complete_range.rs:89:9 + --> tests/ui/almost_complete_range.rs:88:9 | LL | '0'..'9' => 3, | ^^^--^^^ diff --git a/tests/ui/manual_range_patterns.fixed b/tests/ui/manual_range_patterns.fixed index e9f6fbcc3fc8..f1b99637afdb 100644 --- a/tests/ui/manual_range_patterns.fixed +++ b/tests/ui/manual_range_patterns.fixed @@ -1,7 +1,6 @@ #![allow(unused)] #![allow(non_contiguous_range_endpoints)] #![warn(clippy::manual_range_patterns)] -#![feature(exclusive_range_pattern)] fn main() { let f = 6; diff --git a/tests/ui/manual_range_patterns.rs b/tests/ui/manual_range_patterns.rs index d525aaa24ad1..869ffbe80b97 100644 --- a/tests/ui/manual_range_patterns.rs +++ b/tests/ui/manual_range_patterns.rs @@ -1,7 +1,6 @@ #![allow(unused)] #![allow(non_contiguous_range_endpoints)] #![warn(clippy::manual_range_patterns)] -#![feature(exclusive_range_pattern)] fn main() { let f = 6; diff --git a/tests/ui/manual_range_patterns.stderr b/tests/ui/manual_range_patterns.stderr index af9256aeea39..7c19fdd475f1 100644 --- a/tests/ui/manual_range_patterns.stderr +++ b/tests/ui/manual_range_patterns.stderr @@ -1,5 +1,5 @@ error: this OR pattern can be rewritten using a range - --> tests/ui/manual_range_patterns.rs:9:25 + --> tests/ui/manual_range_patterns.rs:8:25 | LL | let _ = matches!(f, 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `1..=10` @@ -8,109 +8,109 @@ LL | let _ = matches!(f, 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10); = help: to override `-D warnings` add `#[allow(clippy::manual_range_patterns)]` error: this OR pattern can be rewritten using a range - --> tests/ui/manual_range_patterns.rs:10:25 + --> tests/ui/manual_range_patterns.rs:9:25 | LL | let _ = matches!(f, 4 | 2 | 3 | 1 | 5 | 6 | 9 | 7 | 8 | 10); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `1..=10` error: this OR pattern can be rewritten using a range - --> tests/ui/manual_range_patterns.rs:17:25 + --> tests/ui/manual_range_patterns.rs:16:25 | LL | let _ = matches!(f, 1 | (2..=4)); | ^^^^^^^^^^^ help: try: `1..=4` error: this OR pattern can be rewritten using a range - --> tests/ui/manual_range_patterns.rs:18:25 + --> tests/ui/manual_range_patterns.rs:17:25 | LL | let _ = matches!(f, 1 | (2..4)); | ^^^^^^^^^^ help: try: `1..4` error: this OR pattern can be rewritten using a range - --> tests/ui/manual_range_patterns.rs:19:25 + --> tests/ui/manual_range_patterns.rs:18:25 | LL | let _ = matches!(f, (1..=10) | (2..=13) | (14..=48324728) | 48324729); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `1..=48324729` error: this OR pattern can be rewritten using a range - --> tests/ui/manual_range_patterns.rs:20:25 + --> tests/ui/manual_range_patterns.rs:19:25 | LL | let _ = matches!(f, 0 | (1..=10) | 48324730 | (2..=13) | (14..=48324728) | 48324729); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `0..=48324730` error: this OR pattern can be rewritten using a range - --> tests/ui/manual_range_patterns.rs:21:25 + --> tests/ui/manual_range_patterns.rs:20:25 | LL | let _ = matches!(f, 0..=1 | 0..=2 | 0..=3); | ^^^^^^^^^^^^^^^^^^^^^ help: try: `0..=3` error: this OR pattern can be rewritten using a range - --> tests/ui/manual_range_patterns.rs:24:9 + --> tests/ui/manual_range_patterns.rs:23:9 | LL | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 => true, | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `1..=10` error: this OR pattern can be rewritten using a range - --> tests/ui/manual_range_patterns.rs:27:25 + --> tests/ui/manual_range_patterns.rs:26:25 | LL | let _ = matches!(f, -1 | -5 | 3 | -2 | -4 | -3 | 0 | 1 | 2); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `-5..=3` error: this OR pattern can be rewritten using a range - --> tests/ui/manual_range_patterns.rs:29:25 + --> tests/ui/manual_range_patterns.rs:28:25 | LL | let _ = matches!(f, -1_000_000..=1_000_000 | -1_000_001 | 1_000_001); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `-1_000_001..=1_000_001` error: this OR pattern can be rewritten using a range - --> tests/ui/manual_range_patterns.rs:32:17 + --> tests/ui/manual_range_patterns.rs:31:17 | LL | matches!(f, 0x00 | 0x01 | 0x02 | 0x03); | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `0x00..=0x03` error: this OR pattern can be rewritten using a range - --> tests/ui/manual_range_patterns.rs:33:17 + --> tests/ui/manual_range_patterns.rs:32:17 | LL | matches!(f, 0x00..=0x05 | 0x06 | 0x07); | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `0x00..=0x07` error: this OR pattern can be rewritten using a range - --> tests/ui/manual_range_patterns.rs:34:17 + --> tests/ui/manual_range_patterns.rs:33:17 | LL | matches!(f, -0x09 | -0x08 | -0x07..=0x00); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `-0x09..=0x00` error: this OR pattern can be rewritten using a range - --> tests/ui/manual_range_patterns.rs:36:17 + --> tests/ui/manual_range_patterns.rs:35:17 | LL | matches!(f, 0..5 | 5); | ^^^^^^^^ help: try: `0..=5` error: this OR pattern can be rewritten using a range - --> tests/ui/manual_range_patterns.rs:37:17 + --> tests/ui/manual_range_patterns.rs:36:17 | LL | matches!(f, 0 | 1..5); | ^^^^^^^^ help: try: `0..5` error: this OR pattern can be rewritten using a range - --> tests/ui/manual_range_patterns.rs:39:17 + --> tests/ui/manual_range_patterns.rs:38:17 | LL | matches!(f, 0..=5 | 6..10); | ^^^^^^^^^^^^^ help: try: `0..10` error: this OR pattern can be rewritten using a range - --> tests/ui/manual_range_patterns.rs:40:17 + --> tests/ui/manual_range_patterns.rs:39:17 | LL | matches!(f, 0..5 | 5..=10); | ^^^^^^^^^^^^^ help: try: `0..=10` error: this OR pattern can be rewritten using a range - --> tests/ui/manual_range_patterns.rs:41:17 + --> tests/ui/manual_range_patterns.rs:40:17 | LL | matches!(f, 5..=10 | 0..5); | ^^^^^^^^^^^^^ help: try: `0..=10` error: this OR pattern can be rewritten using a range - --> tests/ui/manual_range_patterns.rs:45:26 + --> tests/ui/manual_range_patterns.rs:44:26 | LL | matches!($e, 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `1..=10` diff --git a/tests/ui/match_overlapping_arm.rs b/tests/ui/match_overlapping_arm.rs index c2c2f28392d7..4457ae73da2f 100644 --- a/tests/ui/match_overlapping_arm.rs +++ b/tests/ui/match_overlapping_arm.rs @@ -1,4 +1,3 @@ -#![feature(exclusive_range_pattern)] #![warn(clippy::match_overlapping_arm)] #![allow(clippy::redundant_pattern_matching)] #![allow(clippy::if_same_then_else, clippy::equatable_if_let, clippy::needless_if)] diff --git a/tests/ui/match_overlapping_arm.stderr b/tests/ui/match_overlapping_arm.stderr index 1a6c5746c3dd..65092ffbb555 100644 --- a/tests/ui/match_overlapping_arm.stderr +++ b/tests/ui/match_overlapping_arm.stderr @@ -1,11 +1,11 @@ error: some ranges overlap - --> tests/ui/match_overlapping_arm.rs:12:9 + --> tests/ui/match_overlapping_arm.rs:11:9 | LL | 0..=10 => println!("0..=10"), | ^^^^^^ | note: overlaps with this - --> tests/ui/match_overlapping_arm.rs:14:9 + --> tests/ui/match_overlapping_arm.rs:13:9 | LL | 0..=11 => println!("0..=11"), | ^^^^^^ @@ -13,85 +13,85 @@ LL | 0..=11 => println!("0..=11"), = help: to override `-D warnings` add `#[allow(clippy::match_overlapping_arm)]` error: some ranges overlap - --> tests/ui/match_overlapping_arm.rs:19:9 + --> tests/ui/match_overlapping_arm.rs:18:9 | LL | 0..=5 => println!("0..=5"), | ^^^^^ | note: overlaps with this - --> tests/ui/match_overlapping_arm.rs:22:9 + --> tests/ui/match_overlapping_arm.rs:21:9 | LL | FOO..=11 => println!("FOO..=11"), | ^^^^^^^^ error: some ranges overlap - --> tests/ui/match_overlapping_arm.rs:57:9 + --> tests/ui/match_overlapping_arm.rs:56:9 | LL | 0..11 => println!("0..11"), | ^^^^^ | note: overlaps with this - --> tests/ui/match_overlapping_arm.rs:59:9 + --> tests/ui/match_overlapping_arm.rs:58:9 | LL | 0..=11 => println!("0..=11"), | ^^^^^^ error: some ranges overlap - --> tests/ui/match_overlapping_arm.rs:83:9 + --> tests/ui/match_overlapping_arm.rs:82:9 | LL | 0..=10 => println!("0..=10"), | ^^^^^^ | note: overlaps with this - --> tests/ui/match_overlapping_arm.rs:82:9 + --> tests/ui/match_overlapping_arm.rs:81:9 | LL | 5..14 => println!("5..14"), | ^^^^^ error: some ranges overlap - --> tests/ui/match_overlapping_arm.rs:89:9 + --> tests/ui/match_overlapping_arm.rs:88:9 | LL | 0..7 => println!("0..7"), | ^^^^ | note: overlaps with this - --> tests/ui/match_overlapping_arm.rs:91:9 + --> tests/ui/match_overlapping_arm.rs:90:9 | LL | 0..=10 => println!("0..=10"), | ^^^^^^ error: some ranges overlap - --> tests/ui/match_overlapping_arm.rs:102:9 + --> tests/ui/match_overlapping_arm.rs:101:9 | LL | ..=23 => println!("..=23"), | ^^^^^ | note: overlaps with this - --> tests/ui/match_overlapping_arm.rs:104:9 + --> tests/ui/match_overlapping_arm.rs:103:9 | LL | ..26 => println!("..26"), | ^^^^ error: some ranges overlap - --> tests/ui/match_overlapping_arm.rs:112:9 + --> tests/ui/match_overlapping_arm.rs:111:9 | LL | 21..=30 => (), | ^^^^^^^ | note: overlaps with this - --> tests/ui/match_overlapping_arm.rs:114:9 + --> tests/ui/match_overlapping_arm.rs:113:9 | LL | 21..=40 => (), | ^^^^^^^ error: some ranges overlap - --> tests/ui/match_overlapping_arm.rs:127:9 + --> tests/ui/match_overlapping_arm.rs:126:9 | LL | 0..=0x0000_0000_0000_00ff => (), | ^^^^^^^^^^^^^^^^^^^^^^^^^ | note: overlaps with this - --> tests/ui/match_overlapping_arm.rs:129:9 + --> tests/ui/match_overlapping_arm.rs:128:9 | LL | 0..=0x0000_0000_0000_ffff => (), | ^^^^^^^^^^^^^^^^^^^^^^^^^ diff --git a/tests/ui/match_wild_err_arm.rs b/tests/ui/match_wild_err_arm.rs index 7bdd75d7f463..8e670ce5bda2 100644 --- a/tests/ui/match_wild_err_arm.rs +++ b/tests/ui/match_wild_err_arm.rs @@ -1,4 +1,3 @@ -#![feature(exclusive_range_pattern)] #![allow(clippy::match_same_arms, dead_code)] #![warn(clippy::match_wild_err_arm)] diff --git a/tests/ui/match_wild_err_arm.stderr b/tests/ui/match_wild_err_arm.stderr index 3145665a341e..f98065d9a591 100644 --- a/tests/ui/match_wild_err_arm.stderr +++ b/tests/ui/match_wild_err_arm.stderr @@ -1,5 +1,5 @@ error: `Err(_)` matches all errors - --> tests/ui/match_wild_err_arm.rs:24:9 + --> tests/ui/match_wild_err_arm.rs:23:9 | LL | Err(_) => panic!("err"), | ^^^^^^ @@ -9,7 +9,7 @@ LL | Err(_) => panic!("err"), = help: to override `-D warnings` add `#[allow(clippy::match_wild_err_arm)]` error: `Err(_)` matches all errors - --> tests/ui/match_wild_err_arm.rs:32:9 + --> tests/ui/match_wild_err_arm.rs:31:9 | LL | Err(_) => panic!(), | ^^^^^^ @@ -17,7 +17,7 @@ LL | Err(_) => panic!(), = note: match each error separately or use the error output, or use `.expect(msg)` if the error case is unreachable error: `Err(_)` matches all errors - --> tests/ui/match_wild_err_arm.rs:40:9 + --> tests/ui/match_wild_err_arm.rs:39:9 | LL | Err(_) => { | ^^^^^^ @@ -25,7 +25,7 @@ LL | Err(_) => { = note: match each error separately or use the error output, or use `.expect(msg)` if the error case is unreachable error: `Err(_e)` matches all errors - --> tests/ui/match_wild_err_arm.rs:50:9 + --> tests/ui/match_wild_err_arm.rs:49:9 | LL | Err(_e) => panic!(), | ^^^^^^^ From a0d562a183eca869004308466f492e3b18f9cc13 Mon Sep 17 00:00:00 2001 From: Philipp Krones Date: Thu, 2 May 2024 13:51:10 +0200 Subject: [PATCH 0047/1716] Type safe CLI implementation for clippy-dev Use the derive feature of `clap` to generate CLI of clippy-dev. Adding new commands will be easier in the future and we get better compile time checking through exhaustive matching. --- clippy_dev/Cargo.toml | 3 +- clippy_dev/src/main.rs | 578 +++++++++++++++------------------ clippy_dev/src/new_lint.rs | 14 +- clippy_dev/src/serve.rs | 2 +- clippy_dev/src/update_lints.rs | 4 +- 5 files changed, 269 insertions(+), 332 deletions(-) diff --git a/clippy_dev/Cargo.toml b/clippy_dev/Cargo.toml index 42a953039b1c..9cfa5b7630f3 100644 --- a/clippy_dev/Cargo.toml +++ b/clippy_dev/Cargo.toml @@ -1,11 +1,12 @@ [package] name = "clippy_dev" +description = "Clippy developer tooling" version = "0.0.1" edition = "2021" [dependencies] aho-corasick = "1.0" -clap = "4.1.4" +clap = { version = "4.1.4", features = ["derive"] } indoc = "1.0" itertools = "0.12" opener = "0.6" diff --git a/clippy_dev/src/main.rs b/clippy_dev/src/main.rs index 397a0e990829..366b52b25dfc 100644 --- a/clippy_dev/src/main.rs +++ b/clippy_dev/src/main.rs @@ -2,350 +2,292 @@ // warn on lints, that are included in `rust-lang/rust`s bootstrap #![warn(rust_2018_idioms, unused_lifetimes)] -use clap::{Arg, ArgAction, ArgMatches, Command}; +use clap::{Args, Parser, Subcommand}; use clippy_dev::{dogfood, fmt, lint, new_lint, serve, setup, update_lints}; -use indoc::indoc; use std::convert::Infallible; fn main() { - let matches = get_clap_config(); + let dev = Dev::parse(); - match matches.subcommand() { - Some(("bless", _)) => { + match dev.command { + DevCommand::Bless => { eprintln!("use `cargo bless` to automatically replace `.stderr` and `.fixed` files as tests are being run"); }, - Some(("dogfood", matches)) => { - dogfood::dogfood( - matches.get_flag("fix"), - matches.get_flag("allow-dirty"), - matches.get_flag("allow-staged"), - ); - }, - Some(("fmt", matches)) => { - fmt::run(matches.get_flag("check"), matches.get_flag("verbose")); - }, - Some(("update_lints", matches)) => { - if matches.get_flag("print-only") { + DevCommand::Dogfood { + fix, + allow_dirty, + allow_staged, + } => dogfood::dogfood(fix, allow_dirty, allow_staged), + DevCommand::Fmt { check, verbose } => fmt::run(check, verbose), + DevCommand::UpdateLints { print_only, check } => { + if print_only { update_lints::print_lints(); - } else if matches.get_flag("check") { + } else if check { update_lints::update(update_lints::UpdateMode::Check); } else { update_lints::update(update_lints::UpdateMode::Change); } }, - Some(("new_lint", matches)) => { - match new_lint::create( - matches.get_one::("pass").unwrap(), - matches.get_one::("name"), - matches.get_one::("category").map(String::as_str), - matches.get_one::("type").map(String::as_str), - matches.get_flag("msrv"), - ) { - Ok(()) => update_lints::update(update_lints::UpdateMode::Change), - Err(e) => eprintln!("Unable to create lint: {e}"), - } + DevCommand::NewLint { + pass, + name, + category, + r#type, + msrv, + } => match new_lint::create(&pass, &name, &category, r#type.as_deref(), msrv) { + Ok(()) => update_lints::update(update_lints::UpdateMode::Change), + Err(e) => eprintln!("Unable to create lint: {e}"), }, - Some(("setup", sub_command)) => match sub_command.subcommand() { - Some(("git-hook", matches)) => { - if matches.get_flag("remove") { - setup::git_hook::remove_hook(); - } else { - setup::git_hook::install_hook(matches.get_flag("force-override")); - } - }, - Some(("intellij", matches)) => { - if matches.get_flag("remove") { + DevCommand::Setup(SetupCommand { subcommand }) => match subcommand { + SetupSubcommand::Intellij { remove, repo_path } => { + if remove { setup::intellij::remove_rustc_src(); } else { - setup::intellij::setup_rustc_src( - matches - .get_one::("rustc-repo-path") - .expect("this field is mandatory and therefore always valid"), - ); + setup::intellij::setup_rustc_src(&repo_path); } }, - Some(("toolchain", matches)) => { - setup::toolchain::create( - matches.get_flag("force"), - matches.get_flag("release"), - matches.get_one::("name").unwrap(), - ); + SetupSubcommand::GitHook { remove, force_override } => { + if remove { + setup::git_hook::remove_hook(); + } else { + setup::git_hook::install_hook(force_override); + } }, - Some(("vscode-tasks", matches)) => { - if matches.get_flag("remove") { + SetupSubcommand::Toolchain { force, release, name } => setup::toolchain::create(force, release, &name), + SetupSubcommand::VscodeTasks { remove, force_override } => { + if remove { setup::vscode::remove_tasks(); } else { - setup::vscode::install_tasks(matches.get_flag("force-override")); + setup::vscode::install_tasks(force_override); } }, - _ => {}, }, - Some(("remove", sub_command)) => match sub_command.subcommand() { - Some(("git-hook", _)) => setup::git_hook::remove_hook(), - Some(("intellij", _)) => setup::intellij::remove_rustc_src(), - Some(("vscode-tasks", _)) => setup::vscode::remove_tasks(), - _ => {}, + DevCommand::Remove(RemoveCommand { subcommand }) => match subcommand { + RemoveSubcommand::Intellij => setup::intellij::remove_rustc_src(), + RemoveSubcommand::GitHook => setup::git_hook::remove_hook(), + RemoveSubcommand::VscodeTasks => setup::vscode::remove_tasks(), }, - Some(("serve", matches)) => { - let port = *matches.get_one::("port").unwrap(); - let lint = matches.get_one::("lint"); - serve::run(port, lint); - }, - Some(("lint", matches)) => { - let path = matches.get_one::("path").unwrap(); - let args = matches.get_many::("args").into_iter().flatten(); - lint::run(path, args); - }, - Some(("rename_lint", matches)) => { - let old_name = matches.get_one::("old_name").unwrap(); - let new_name = matches.get_one::("new_name").unwrap_or(old_name); - let uplift = matches.get_flag("uplift"); - update_lints::rename(old_name, new_name, uplift); - }, - Some(("deprecate", matches)) => { - let name = matches.get_one::("name").unwrap(); - let reason = matches.get_one("reason"); - update_lints::deprecate(name, reason); - }, - _ => {}, + DevCommand::Serve { port, lint } => serve::run(port, lint), + DevCommand::Lint { path, args } => lint::run(&path, args.iter()), + DevCommand::RenameLint { + old_name, + new_name, + uplift, + } => update_lints::rename(&old_name, new_name.as_ref().unwrap_or(&old_name), uplift), + DevCommand::Deprecate { name, reason } => update_lints::deprecate(&name, reason.as_deref()), } } -fn get_clap_config() -> ArgMatches { - Command::new("Clippy developer tooling") - .arg_required_else_help(true) - .subcommands([ - Command::new("bless").about("bless the test output changes").arg( - Arg::new("ignore-timestamp") - .long("ignore-timestamp") - .action(ArgAction::SetTrue) - .help("Include files updated before clippy was built"), - ), - Command::new("dogfood").about("Runs the dogfood test").args([ - Arg::new("fix") - .long("fix") - .action(ArgAction::SetTrue) - .help("Apply the suggestions when possible"), - Arg::new("allow-dirty") - .long("allow-dirty") - .action(ArgAction::SetTrue) - .help("Fix code even if the working directory has changes") - .requires("fix"), - Arg::new("allow-staged") - .long("allow-staged") - .action(ArgAction::SetTrue) - .help("Fix code even if the working directory has staged changes") - .requires("fix"), - ]), - Command::new("fmt") - .about("Run rustfmt on all projects and tests") - .args([ - Arg::new("check") - .long("check") - .action(ArgAction::SetTrue) - .help("Use the rustfmt --check option"), - Arg::new("verbose") - .short('v') - .long("verbose") - .action(ArgAction::SetTrue) - .help("Echo commands run"), - ]), - Command::new("update_lints") - .about("Updates lint registration and information from the source code") - .long_about( - "Makes sure that:\n \ - * the lint count in README.md is correct\n \ - * the changelog contains markdown link references at the bottom\n \ - * all lint groups include the correct lints\n \ - * lint modules in `clippy_lints/*` are visible in `src/lib.rs` via `pub mod`\n \ - * all lints are registered in the lint store", - ) - .args([ - Arg::new("print-only") - .long("print-only") - .action(ArgAction::SetTrue) - .help( - "Print a table of lints to STDOUT. \ - This does not include deprecated and internal lints. \ - (Does not modify any files)", - ), - Arg::new("check") - .long("check") - .action(ArgAction::SetTrue) - .help("Checks that `cargo dev update_lints` has been run. Used on CI."), - ]), - Command::new("new_lint") - .about("Create new lint and run `cargo dev update_lints`") - .args([ - Arg::new("pass") - .short('p') - .long("pass") - .help("Specify whether the lint runs during the early or late pass") - .value_parser(["early", "late"]) - .conflicts_with("type") - .default_value("late"), - Arg::new("name") - .short('n') - .long("name") - .help("Name of the new lint in snake case, ex: fn_too_long") - .required(true) - .value_parser(|name: &str| Ok::<_, Infallible>(name.replace('-', "_"))), - Arg::new("category") - .short('c') - .long("category") - .help("What category the lint belongs to") - .default_value("nursery") - .value_parser([ - "style", - "correctness", - "suspicious", - "complexity", - "perf", - "pedantic", - "restriction", - "cargo", - "nursery", - "internal", - ]), - Arg::new("type").long("type").help("What directory the lint belongs in"), - Arg::new("msrv") - .long("msrv") - .action(ArgAction::SetTrue) - .help("Add MSRV config code to the lint"), - ]), - Command::new("setup") - .about("Support for setting up your personal development environment") - .arg_required_else_help(true) - .subcommands([ - Command::new("git-hook") - .about("Add a pre-commit git hook that formats your code to make it look pretty") - .args([ - Arg::new("remove") - .long("remove") - .action(ArgAction::SetTrue) - .help("Remove the pre-commit hook added with 'cargo dev setup git-hook'"), - Arg::new("force-override") - .long("force-override") - .short('f') - .action(ArgAction::SetTrue) - .help("Forces the override of an existing git pre-commit hook"), - ]), - Command::new("intellij") - .about("Alter dependencies so Intellij Rust can find rustc internals") - .args([ - Arg::new("remove") - .long("remove") - .action(ArgAction::SetTrue) - .help("Remove the dependencies added with 'cargo dev setup intellij'"), - Arg::new("rustc-repo-path") - .long("repo-path") - .short('r') - .help("The path to a rustc repo that will be used for setting the dependencies") - .value_name("path") - .conflicts_with("remove") - .required(true), - ]), - Command::new("toolchain") - .about("Install a rustup toolchain pointing to the local clippy build") - .args([ - Arg::new("force") - .long("force") - .short('f') - .action(ArgAction::SetTrue) - .help("Override an existing toolchain"), - Arg::new("release") - .long("release") - .short('r') - .action(ArgAction::SetTrue) - .help("Point to --release clippy binaries"), - Arg::new("name") - .long("name") - .default_value("clippy") - .help("The name of the created toolchain"), - ]), - Command::new("vscode-tasks") - .about("Add several tasks to vscode for formatting, validation and testing") - .args([ - Arg::new("remove") - .long("remove") - .action(ArgAction::SetTrue) - .help("Remove the tasks added with 'cargo dev setup vscode-tasks'"), - Arg::new("force-override") - .long("force-override") - .short('f') - .action(ArgAction::SetTrue) - .help("Forces the override of existing vscode tasks"), - ]), - ]), - Command::new("remove") - .about("Support for undoing changes done by the setup command") - .arg_required_else_help(true) - .subcommands([ - Command::new("git-hook").about("Remove any existing pre-commit git hook"), - Command::new("vscode-tasks").about("Remove any existing vscode tasks"), - Command::new("intellij").about("Removes rustc source paths added via `cargo dev setup intellij`"), - ]), - Command::new("serve") - .about("Launch a local 'ALL the Clippy Lints' website in a browser") - .args([ - Arg::new("port") - .long("port") - .short('p') - .help("Local port for the http server") - .default_value("8000") - .value_parser(clap::value_parser!(u16)), - Arg::new("lint").help("Which lint's page to load initially (optional)"), - ]), - Command::new("lint") - .about("Manually run clippy on a file or package") - .after_help(indoc! {" - EXAMPLES - Lint a single file: - cargo dev lint tests/ui/attrs.rs - - Lint a package directory: - cargo dev lint tests/ui-cargo/wildcard_dependencies/fail - cargo dev lint ~/my-project - - Run rustfix: - cargo dev lint ~/my-project -- --fix - - Set lint levels: - cargo dev lint file.rs -- -W clippy::pedantic - cargo dev lint ~/my-project -- -- -W clippy::pedantic - "}) - .args([ - Arg::new("path") - .required(true) - .help("The path to a file or package directory to lint"), - Arg::new("args") - .action(ArgAction::Append) - .help("Pass extra arguments to cargo/clippy-driver"), - ]), - Command::new("rename_lint").about("Renames the given lint").args([ - Arg::new("old_name") - .index(1) - .required(true) - .help("The name of the lint to rename"), - Arg::new("new_name") - .index(2) - .required_unless_present("uplift") - .help("The new name of the lint"), - Arg::new("uplift") - .long("uplift") - .action(ArgAction::SetTrue) - .help("This lint will be uplifted into rustc"), - ]), - Command::new("deprecate").about("Deprecates the given lint").args([ - Arg::new("name") - .index(1) - .required(true) - .help("The name of the lint to deprecate"), - Arg::new("reason") - .long("reason") - .short('r') - .help("The reason for deprecation"), - ]), - ]) - .get_matches() +#[derive(Parser)] +#[command(name = "dev", about)] +struct Dev { + #[command(subcommand)] + command: DevCommand, +} + +#[derive(Subcommand)] +enum DevCommand { + /// Bless the test output changes + Bless, + /// Runs the dogfood test + Dogfood { + #[arg(long)] + /// Apply the suggestions when possible + fix: bool, + #[arg(long, requires = "fix")] + /// Fix code even if the working directory has changes + allow_dirty: bool, + #[arg(long, requires = "fix")] + /// Fix code even if the working directory has staged changes + allow_staged: bool, + }, + /// Run rustfmt on all projects and tests + Fmt { + #[arg(long)] + /// Use the rustfmt --check option + check: bool, + #[arg(short, long)] + /// Echo commands run + verbose: bool, + }, + #[command(name = "update_lints")] + /// Updates lint registration and information from the source code + /// + /// Makes sure that: {n} + /// * the lint count in README.md is correct {n} + /// * the changelog contains markdown link references at the bottom {n} + /// * all lint groups include the correct lints {n} + /// * lint modules in `clippy_lints/*` are visible in `src/lib.rs` via `pub mod` {n} + /// * all lints are registered in the lint store + UpdateLints { + #[arg(long)] + /// Print a table of lints to STDOUT + /// + /// This does not include deprecated and internal lints. (Does not modify any files) + print_only: bool, + #[arg(long)] + /// Checks that `cargo dev update_lints` has been run. Used on CI. + check: bool, + }, + #[command(name = "new_lint")] + /// Create a new lint and run `cargo dev update_lints` + NewLint { + #[arg(short, long, value_parser = ["early", "late"], conflicts_with = "type", default_value = "late")] + /// Specify whether the lint runs during the early or late pass + pass: String, + #[arg( + short, + long, + value_parser = |name: &str| Ok::<_, Infallible>(name.replace('-', "_")), + )] + /// Name of the new lint in snake case, ex: `fn_too_long` + name: String, + #[arg( + short, + long, + value_parser = [ + "style", + "correctness", + "suspicious", + "complexity", + "perf", + "pedantic", + "restriction", + "cargo", + "nursery", + "internal", + ], + default_value = "nursery", + )] + /// What category the lint belongs to + category: String, + #[arg(long)] + /// What directory the lint belongs in + r#type: Option, + #[arg(long)] + /// Add MSRV config code to the lint + msrv: bool, + }, + /// Support for setting up your personal development environment + Setup(SetupCommand), + /// Support for removing changes done by the setup command + Remove(RemoveCommand), + /// Launch a local 'ALL the Clippy Lints' website in a browser + Serve { + #[arg(short, long, default_value = "8000")] + /// Local port for the http server + port: u16, + #[arg(long)] + /// Which lint's page to load initially (optional) + lint: Option, + }, + #[allow(clippy::doc_markdown)] + /// Manually run clippy on a file or package + /// + /// ## Examples + /// + /// Lint a single file: {n} + /// cargo dev lint tests/ui/attrs.rs + /// + /// Lint a package directory: {n} + /// cargo dev lint tests/ui-cargo/wildcard_dependencies/fail {n} + /// cargo dev lint ~/my-project + /// + /// Run rustfix: {n} + /// cargo dev lint ~/my-project -- --fix + /// + /// Set lint levels: {n} + /// cargo dev lint file.rs -- -W clippy::pedantic {n} + /// cargo dev lint ~/my-project -- -- -W clippy::pedantic + Lint { + /// The path to a file or package directory to lint + path: String, + /// Pass extra arguments to cargo/clippy-driver + args: Vec, + }, + #[command(name = "rename_lint")] + /// Rename a lint + RenameLint { + /// The name of the lint to rename + old_name: String, + #[arg(required_unless_present = "uplift")] + /// The new name of the lint + new_name: Option, + #[arg(long)] + /// This lint will be uplifted into rustc + uplift: bool, + }, + /// Deprecate the given lint + Deprecate { + /// The name of the lint to deprecate + name: String, + #[arg(long, short)] + /// The reason for deprecation + reason: Option, + }, +} + +#[derive(Args)] +struct SetupCommand { + #[command(subcommand)] + subcommand: SetupSubcommand, +} + +#[derive(Subcommand)] +enum SetupSubcommand { + /// Alter dependencies so Intellij Rust can find rustc internals + Intellij { + #[arg(long)] + /// Remove the dependencies added with 'cargo dev setup intellij' + remove: bool, + #[arg(long, short, conflicts_with = "remove")] + /// The path to a rustc repo that will be used for setting the dependencies + repo_path: String, + }, + /// Add a pre-commit git hook that formats your code to make it look pretty + GitHook { + #[arg(long)] + /// Remove the pre-commit hook added with 'cargo dev setup git-hook' + remove: bool, + #[arg(long, short)] + /// Forces the override of an existing git pre-commit hook + force_override: bool, + }, + /// Install a rustup toolchain pointing to the local clippy build + Toolchain { + #[arg(long, short)] + /// Override an existing toolchain + force: bool, + #[arg(long, short)] + /// Point to --release clippy binary + release: bool, + #[arg(long, default_value = "clippy")] + /// Name of the toolchain + name: String, + }, + /// Add several tasks to vscode for formatting, validation and testing + VscodeTasks { + #[arg(long)] + /// Remove the tasks added with 'cargo dev setup vscode-tasks' + remove: bool, + #[arg(long, short)] + /// Forces the override of existing vscode tasks + force_override: bool, + }, +} + +#[derive(Args)] +struct RemoveCommand { + #[command(subcommand)] + subcommand: RemoveSubcommand, +} + +#[derive(Subcommand)] +enum RemoveSubcommand { + /// Remove the dependencies added with 'cargo dev setup intellij' + Intellij, + /// Remove the pre-commit git hook + GitHook, + /// Remove the tasks added with 'cargo dev setup vscode-tasks' + VscodeTasks, } diff --git a/clippy_dev/src/new_lint.rs b/clippy_dev/src/new_lint.rs index 2940d56350f4..b6481dde4dde 100644 --- a/clippy_dev/src/new_lint.rs +++ b/clippy_dev/src/new_lint.rs @@ -36,22 +36,16 @@ impl Context for io::Result { /// # Errors /// /// This function errors out if the files couldn't be created or written to. -pub fn create( - pass: &String, - lint_name: Option<&String>, - category: Option<&str>, - mut ty: Option<&str>, - msrv: bool, -) -> io::Result<()> { - if category == Some("cargo") && ty.is_none() { +pub fn create(pass: &str, name: &str, category: &str, mut ty: Option<&str>, msrv: bool) -> io::Result<()> { + if category == "cargo" && ty.is_none() { // `cargo` is a special category, these lints should always be in `clippy_lints/src/cargo` ty = Some("cargo"); } let lint = LintData { pass, - name: lint_name.expect("`name` argument is validated by clap"), - category: category.expect("`category` argument is validated by clap"), + name, + category, ty, project_root: clippy_project_root(), }; diff --git a/clippy_dev/src/serve.rs b/clippy_dev/src/serve.rs index ea925f6709f9..4a4261d1a1e6 100644 --- a/clippy_dev/src/serve.rs +++ b/clippy_dev/src/serve.rs @@ -8,7 +8,7 @@ use std::{env, thread}; /// # Panics /// /// Panics if the python commands could not be spawned -pub fn run(port: u16, lint: Option<&String>) -> ! { +pub fn run(port: u16, lint: Option) -> ! { let mut url = Some(match lint { None => format!("http://localhost:{port}"), Some(lint) => format!("http://localhost:{port}/#{lint}"), diff --git a/clippy_dev/src/update_lints.rs b/clippy_dev/src/update_lints.rs index 625b13395913..45353901c98f 100644 --- a/clippy_dev/src/update_lints.rs +++ b/clippy_dev/src/update_lints.rs @@ -314,7 +314,7 @@ const DEFAULT_DEPRECATION_REASON: &str = "default deprecation note"; /// # Panics /// /// If a file path could not read from or written to -pub fn deprecate(name: &str, reason: Option<&String>) { +pub fn deprecate(name: &str, reason: Option<&str>) { fn finish( (lints, mut deprecated_lints, renamed_lints): (Vec, Vec, Vec), name: &str, @@ -335,7 +335,7 @@ pub fn deprecate(name: &str, reason: Option<&String>) { println!("note: you must run `cargo uitest` to update the test results"); } - let reason = reason.map_or(DEFAULT_DEPRECATION_REASON, String::as_str); + let reason = reason.unwrap_or(DEFAULT_DEPRECATION_REASON); let name_lower = name.to_lowercase(); let name_upper = name.to_uppercase(); From 537ab6cc879e8b5af888b7a6d1ea4a17cfccc853 Mon Sep 17 00:00:00 2001 From: Philipp Krones Date: Thu, 2 May 2024 14:40:11 +0200 Subject: [PATCH 0048/1716] Bump clap version -> 4.4 Same version as most other crates in rustc are using --- clippy_dev/Cargo.toml | 2 +- lintcheck/Cargo.toml | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/clippy_dev/Cargo.toml b/clippy_dev/Cargo.toml index 9cfa5b7630f3..4104e7d94f14 100644 --- a/clippy_dev/Cargo.toml +++ b/clippy_dev/Cargo.toml @@ -6,7 +6,7 @@ edition = "2021" [dependencies] aho-corasick = "1.0" -clap = { version = "4.1.4", features = ["derive"] } +clap = { version = "4.4", features = ["derive"] } indoc = "1.0" itertools = "0.12" opener = "0.6" diff --git a/lintcheck/Cargo.toml b/lintcheck/Cargo.toml index a828d1237046..8c5a409e25b1 100644 --- a/lintcheck/Cargo.toml +++ b/lintcheck/Cargo.toml @@ -13,7 +13,7 @@ default-run = "lintcheck" [dependencies] anyhow = "1.0.69" cargo_metadata = "0.15.3" -clap = { version = "4.1.8", features = ["derive", "env"] } +clap = { version = "4.4", features = ["derive", "env"] } crates_io_api = "0.8.1" crossbeam-channel = "0.5.6" flate2 = "1.0" From 40f0172c6aed0b2fb055c19108d226f8fb410f8c Mon Sep 17 00:00:00 2001 From: Alice Ryhl Date: Fri, 3 May 2024 14:32:01 +0200 Subject: [PATCH 0049/1716] Add -Zfixed-x18 Signed-off-by: Alice Ryhl --- compiler/rustc_codegen_llvm/src/llvm_util.rs | 5 +++ compiler/rustc_interface/src/tests.rs | 1 + compiler/rustc_session/src/options.rs | 2 ++ .../src/compiler-flags/fixed-x18.md | 32 +++++++++++++++++++ tests/codegen/fixed-x18.rs | 22 +++++++++++++ 5 files changed, 62 insertions(+) create mode 100644 src/doc/unstable-book/src/compiler-flags/fixed-x18.md create mode 100644 tests/codegen/fixed-x18.rs diff --git a/compiler/rustc_codegen_llvm/src/llvm_util.rs b/compiler/rustc_codegen_llvm/src/llvm_util.rs index 5552b3810251..dbce7f43e62c 100644 --- a/compiler/rustc_codegen_llvm/src/llvm_util.rs +++ b/compiler/rustc_codegen_llvm/src/llvm_util.rs @@ -615,6 +615,11 @@ pub(crate) fn global_llvm_features(sess: &Session, diagnostics: bool) -> Vec = (None, parse_opt_bool, [TRACKED], "reduce memory use by retaining fewer names within compilation artifacts (LLVM-IR) \ (default: no)"), + fixed_x18: bool = (false, parse_bool, [TRACKED], + "make the x18 register reserved on AArch64 (default: no)"), flatten_format_args: bool = (true, parse_bool, [TRACKED], "flatten nested format_args!() and literals into a simplified format_args!() call \ (default: yes)"), diff --git a/src/doc/unstable-book/src/compiler-flags/fixed-x18.md b/src/doc/unstable-book/src/compiler-flags/fixed-x18.md new file mode 100644 index 000000000000..8c8bff5fa296 --- /dev/null +++ b/src/doc/unstable-book/src/compiler-flags/fixed-x18.md @@ -0,0 +1,32 @@ +# `fixed-x18` + +This option prevents the compiler from using the x18 register. It is only +supported on aarch64. + +From the [ABI spec][arm-abi]: + +> X18 is the platform register and is reserved for the use of platform ABIs. +> This is an additional temporary register on platforms that don't assign a +> special meaning to it. + +This flag only has an effect when the x18 register would otherwise be considered +a temporary register. When the flag is applied, x18 is always a reserved +register. + +This flag is intended for use with the shadow call stack sanitizer. Generally, +when that sanitizer is enabled, the x18 register is used to store a pointer to +the shadow stack. Enabling this flag prevents the compiler from overwriting the +shadow stack pointer with temporary data, which is necessary for the sanitizer +to work correctly. + +Currently, the `-Zsanitizer=shadow-call-stack` flag is only supported on +platforms that always treat x18 as a reserved register, and the `-Zfixed-x18` +flag is not required to use the sanitizer on such platforms. However, the +sanitizer may be supported on targets where this is not the case in the future. + +It is undefined behavior for `-Zsanitizer=shadow-call-stack` code to call into +code where x18 is a temporary register. On the other hand, when you are *not* +using the shadow call stack sanitizer, compilation units compiled with and +without the `-Zfixed-x18` flag are compatible with each other. + +[arm-abi]: https://developer.arm.com/documentation/den0024/a/The-ABI-for-ARM-64-bit-Architecture/Register-use-in-the-AArch64-Procedure-Call-Standard/Parameters-in-general-purpose-registers diff --git a/tests/codegen/fixed-x18.rs b/tests/codegen/fixed-x18.rs new file mode 100644 index 000000000000..4997a39a7263 --- /dev/null +++ b/tests/codegen/fixed-x18.rs @@ -0,0 +1,22 @@ +// Test that the `reserve-x18` target feature is (not) emitted when +// the `-Zfixed-x18` flag is (not) set. + +//@ revisions: unset set +//@ needs-llvm-components: aarch64 +//@ compile-flags: --target aarch64-unknown-none +//@ [set] compile-flags: -Zfixed-x18 + +#![crate_type = "lib"] +#![feature(no_core, lang_items)] +#![no_core] + +#[lang = "sized"] +trait Sized {} + +#[no_mangle] +pub fn foo() { + // CHECK: @foo() unnamed_addr #0 + + // unset-NOT: attributes #0 = { {{.*}}"target-features"="{{[^"]*}}+reserve-x18{{.*}} } + // set: attributes #0 = { {{.*}}"target-features"="{{[^"]*}}+reserve-x18{{.*}} } +} From 179a6a08b127c7670ec648c245d8c31c6ac2419c Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Fri, 3 May 2024 15:24:53 +0200 Subject: [PATCH 0050/1716] remove IndirectStructuralMatch lint, emit the usual hard error instead --- compiler/rustc_lint/src/lib.rs | 5 ++ compiler/rustc_lint_defs/src/builtin.rs | 47 ------------ compiler/rustc_mir_build/messages.ftl | 6 -- compiler/rustc_mir_build/src/errors.rs | 16 ---- .../src/thir/pattern/const_to_pat.rs | 76 +------------------ .../const_in_pattern/accept_structural.rs | 1 - .../const_in_pattern/cross-crate-fail.rs | 2 - .../const_in_pattern/cross-crate-fail.stderr | 4 +- .../const_in_pattern/cross-crate-pass.rs | 2 - .../const_in_pattern/custom-eq-branch-pass.rs | 2 - .../const_in_pattern/no-eq-branch-fail.rs | 2 - .../const_in_pattern/no-eq-branch-fail.stderr | 2 +- .../const_in_pattern/reject_non_structural.rs | 6 +- .../reject_non_structural.stderr | 48 +++--------- tests/ui/consts/issue-89088.rs | 5 +- tests/ui/consts/issue-89088.stderr | 9 +-- tests/ui/nll/issue-55511.rs | 1 - tests/ui/nll/issue-55511.stderr | 2 +- .../const-partial_eq-fallback-ice.stderr | 12 --- .../cant-hide-behind-direct-struct-param.rs | 1 - ...ant-hide-behind-direct-struct-param.stderr | 2 +- ...nt-hide-behind-doubly-indirect-embedded.rs | 5 +- ...ide-behind-doubly-indirect-embedded.stderr | 30 +------- .../cant-hide-behind-doubly-indirect-param.rs | 5 +- ...t-hide-behind-doubly-indirect-param.stderr | 30 +------- ...nt-hide-behind-indirect-struct-embedded.rs | 5 +- ...ide-behind-indirect-struct-embedded.stderr | 30 +------- .../cant-hide-behind-indirect-struct-param.rs | 5 +- ...t-hide-behind-indirect-struct-param.stderr | 30 +------- ...2307-match-ref-ref-forbidden-without-eq.rs | 8 +- ...-match-ref-ref-forbidden-without-eq.stderr | 53 ++----------- 31 files changed, 54 insertions(+), 398 deletions(-) diff --git a/compiler/rustc_lint/src/lib.rs b/compiler/rustc_lint/src/lib.rs index a78b410f500c..b3a7f50e8ea2 100644 --- a/compiler/rustc_lint/src/lib.rs +++ b/compiler/rustc_lint/src/lib.rs @@ -539,6 +539,11 @@ fn register_builtins(store: &mut LintStore) { "converted into hard error, see RFC #3535 \ for more information", ); + store.register_removed( + "indirect_structural_match", + "converted into hard error, see RFC #3535 \ + for more information", + ); } fn register_internals(store: &mut LintStore) { diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs index c7996c27c2f0..6da6b39bac10 100644 --- a/compiler/rustc_lint_defs/src/builtin.rs +++ b/compiler/rustc_lint_defs/src/builtin.rs @@ -50,7 +50,6 @@ declare_lint_pass! { HIDDEN_GLOB_REEXPORTS, ILL_FORMED_ATTRIBUTE_INPUT, INCOMPLETE_INCLUDE, - INDIRECT_STRUCTURAL_MATCH, INEFFECTIVE_UNSTABLE_TRAIT_IMPL, INLINE_NO_SANITIZE, INVALID_DOC_ATTRIBUTES, @@ -2355,52 +2354,6 @@ declare_lint! { "outlives requirements can be inferred" } -declare_lint! { - /// The `indirect_structural_match` lint detects a `const` in a pattern - /// that manually implements [`PartialEq`] and [`Eq`]. - /// - /// [`PartialEq`]: https://doc.rust-lang.org/std/cmp/trait.PartialEq.html - /// [`Eq`]: https://doc.rust-lang.org/std/cmp/trait.Eq.html - /// - /// ### Example - /// - /// ```rust,compile_fail - /// #![deny(indirect_structural_match)] - /// - /// struct NoDerive(i32); - /// impl PartialEq for NoDerive { fn eq(&self, _: &Self) -> bool { false } } - /// impl Eq for NoDerive { } - /// #[derive(PartialEq, Eq)] - /// struct WrapParam(T); - /// const WRAP_INDIRECT_PARAM: & &WrapParam = & &WrapParam(NoDerive(0)); - /// fn main() { - /// match WRAP_INDIRECT_PARAM { - /// WRAP_INDIRECT_PARAM => { } - /// _ => { } - /// } - /// } - /// ``` - /// - /// {{produces}} - /// - /// ### Explanation - /// - /// The compiler unintentionally accepted this form in the past. This is a - /// [future-incompatible] lint to transition this to a hard error in the - /// future. See [issue #62411] for a complete description of the problem, - /// and some possible solutions. - /// - /// [issue #62411]: https://github.com/rust-lang/rust/issues/62411 - /// [future-incompatible]: ../index.md#future-incompatible-lints - pub INDIRECT_STRUCTURAL_MATCH, - Warn, - "constant used in pattern contains value of non-structural-match type in a field or a variant", - @future_incompatible = FutureIncompatibleInfo { - reason: FutureIncompatibilityReason::FutureReleaseErrorReportInDeps, - reference: "issue #120362 ", - }; -} - declare_lint! { /// The `deprecated_in_future` lint is internal to rustc and should not be /// used by user code. diff --git a/compiler/rustc_mir_build/messages.ftl b/compiler/rustc_mir_build/messages.ftl index 34440c60cf37..c1d340fa2d1f 100644 --- a/compiler/rustc_mir_build/messages.ftl +++ b/compiler/rustc_mir_build/messages.ftl @@ -109,9 +109,6 @@ mir_build_extern_static_requires_unsafe_unsafe_op_in_unsafe_fn_allowed = .note = extern statics are not controlled by the Rust type system: invalid data, aliasing violations or data races will cause undefined behavior .label = use of extern static -mir_build_indirect_structural_match = - to use a constant of type `{$non_sm_ty}` in a pattern, `{$non_sm_ty}` must be annotated with `#[derive(PartialEq)]` - mir_build_inform_irrefutable = `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant mir_build_initializing_type_with_requires_unsafe = @@ -257,9 +254,6 @@ mir_build_non_exhaustive_patterns_type_not_empty = non-exhaustive patterns: type mir_build_non_partial_eq_match = to use a constant of type `{$non_peq_ty}` in a pattern, the type must implement `PartialEq` -mir_build_nontrivial_structural_match = - to use a constant of type `{$non_sm_ty}` in a pattern, the constant's initializer must be trivial or `{$non_sm_ty}` must be annotated with `#[derive(PartialEq)]` - mir_build_pattern_not_covered = refutable pattern in {$origin} .pattern_ty = the matched value is of type `{$pattern_ty}` diff --git a/compiler/rustc_mir_build/src/errors.rs b/compiler/rustc_mir_build/src/errors.rs index f67113afd6d9..1d52c2723aab 100644 --- a/compiler/rustc_mir_build/src/errors.rs +++ b/compiler/rustc_mir_build/src/errors.rs @@ -802,22 +802,6 @@ pub struct NonEmptyNeverPattern<'tcx> { pub ty: Ty<'tcx>, } -#[derive(LintDiagnostic)] -#[diag(mir_build_indirect_structural_match)] -#[note(mir_build_type_not_structural_tip)] -#[note(mir_build_type_not_structural_more_info)] -pub struct IndirectStructuralMatch<'tcx> { - pub non_sm_ty: Ty<'tcx>, -} - -#[derive(LintDiagnostic)] -#[diag(mir_build_nontrivial_structural_match)] -#[note(mir_build_type_not_structural_tip)] -#[note(mir_build_type_not_structural_more_info)] -pub struct NontrivialStructuralMatch<'tcx> { - pub non_sm_ty: Ty<'tcx>, -} - #[derive(Diagnostic)] #[diag(mir_build_exceeds_mcdc_condition_num_limit)] pub(crate) struct MCDCExceedsConditionNumLimit { diff --git a/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs b/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs index 65c53be8ddd9..6d2e740af408 100644 --- a/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs +++ b/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs @@ -16,8 +16,8 @@ use std::cell::Cell; use super::PatCtxt; use crate::errors::{ - IndirectStructuralMatch, InvalidPattern, NaNPattern, PointerPattern, TypeNotPartialEq, - TypeNotStructural, UnionPattern, UnsizedPattern, + InvalidPattern, NaNPattern, PointerPattern, TypeNotPartialEq, TypeNotStructural, UnionPattern, + UnsizedPattern, }; impl<'a, 'tcx> PatCtxt<'a, 'tcx> { @@ -49,15 +49,6 @@ struct ConstToPat<'tcx> { // value. saw_const_match_error: Cell>, - // This tracks if we emitted some diagnostic for a given const value, so that - // we will not subsequently issue an irrelevant lint for the same const - // value. - saw_const_match_lint: Cell, - - // For backcompat we need to keep allowing non-structurally-eq types behind references. - // See also all the `cant-hide-behind` tests. - behind_reference: Cell, - // inference context used for checking `T: Structural` bounds. infcx: InferCtxt<'tcx>, @@ -84,8 +75,6 @@ impl<'tcx> ConstToPat<'tcx> { infcx, param_env: pat_ctxt.param_env, saw_const_match_error: Cell::new(None), - saw_const_match_lint: Cell::new(false), - behind_reference: Cell::new(false), treat_byte_string_as_slice: pat_ctxt .typeck_results .treat_byte_string_as_slice @@ -197,7 +186,7 @@ impl<'tcx> ConstToPat<'tcx> { // complained about structural match violations there, so we don't // have to check anything any more. } - } else if !have_valtree && !self.saw_const_match_lint.get() { + } else if !have_valtree { // The only way valtree construction can fail without the structural match // checker finding a violation is if there is a pointer somewhere. self.tcx().emit_node_span_lint( @@ -274,36 +263,11 @@ impl<'tcx> ConstToPat<'tcx> { cv: ValTree<'tcx>, ty: Ty<'tcx>, ) -> Result>, FallbackToOpaqueConst> { - let id = self.id; let span = self.span; let tcx = self.tcx(); let param_env = self.param_env; let kind = match ty.kind() { - // If the type is not structurally comparable, just emit the constant directly, - // causing the pattern match code to treat it opaquely. - // FIXME: This code doesn't emit errors itself, the caller emits the errors. - // So instead of specific errors, you just get blanket errors about the whole - // const type. See - // https://github.com/rust-lang/rust/pull/70743#discussion_r404701963 for - // details. - // Backwards compatibility hack because we can't cause hard errors on these - // types, so we compare them via `PartialEq::eq` at runtime. - ty::Adt(..) if !self.type_marked_structural(ty) && self.behind_reference.get() => { - if self.saw_const_match_error.get().is_none() && !self.saw_const_match_lint.get() { - self.saw_const_match_lint.set(true); - tcx.emit_node_span_lint( - lint::builtin::INDIRECT_STRUCTURAL_MATCH, - id, - span, - IndirectStructuralMatch { non_sm_ty: ty }, - ); - } - // Since we are behind a reference, we can just bubble the error up so we get a - // constant at reference type, making it easy to let the fallback call - // `PartialEq::eq` on it. - return Err(FallbackToOpaqueConst); - } ty::FnDef(..) => { let e = tcx.dcx().emit_err(InvalidPattern { span, non_sm_ty: ty }); self.saw_const_match_error.set(Some(e)); @@ -377,38 +341,6 @@ impl<'tcx> ConstToPat<'tcx> { ty::Str => { PatKind::Constant { value: mir::Const::Ty(ty::Const::new_value(tcx, cv, ty)) } } - // Backwards compatibility hack: support references to non-structural types, - // but hard error if we aren't behind a double reference. We could just use - // the fallback code path below, but that would allow *more* of this fishy - // code to compile, as then it only goes through the future incompat lint - // instead of a hard error. - ty::Adt(_, _) if !self.type_marked_structural(*pointee_ty) => { - if self.behind_reference.get() { - if self.saw_const_match_error.get().is_none() - && !self.saw_const_match_lint.get() - { - self.saw_const_match_lint.set(true); - tcx.emit_node_span_lint( - lint::builtin::INDIRECT_STRUCTURAL_MATCH, - self.id, - span, - IndirectStructuralMatch { non_sm_ty: *pointee_ty }, - ); - } - return Err(FallbackToOpaqueConst); - } else { - if let Some(e) = self.saw_const_match_error.get() { - // We already errored. Signal that in the pattern, so that follow up errors can be silenced. - PatKind::Error(e) - } else { - let err = TypeNotStructural { span, non_sm_ty: *pointee_ty }; - let e = tcx.dcx().emit_err(err); - self.saw_const_match_error.set(Some(e)); - // We errored. Signal that in the pattern, so that follow up errors can be silenced. - PatKind::Error(e) - } - } - } // All other references are converted into deref patterns and then recursively // convert the dereferenced constant to a pattern that is the sub-pattern of the // deref pattern. @@ -419,7 +351,6 @@ impl<'tcx> ConstToPat<'tcx> { // We errored. Signal that in the pattern, so that follow up errors can be silenced. PatKind::Error(e) } else { - let old = self.behind_reference.replace(true); // `b"foo"` produces a `&[u8; 3]`, but you can't use constants of array type when // matching against references, you can only use byte string literals. // The typechecker has a special case for byte string literals, by treating them @@ -434,7 +365,6 @@ impl<'tcx> ConstToPat<'tcx> { }; // References have the same valtree representation as their pointee. let subpattern = self.recur(cv, pointee_ty)?; - self.behind_reference.set(old); PatKind::Deref { subpattern } } } diff --git a/tests/ui/consts/const_in_pattern/accept_structural.rs b/tests/ui/consts/const_in_pattern/accept_structural.rs index 31d3b6e73312..78d92abd88b4 100644 --- a/tests/ui/consts/const_in_pattern/accept_structural.rs +++ b/tests/ui/consts/const_in_pattern/accept_structural.rs @@ -1,7 +1,6 @@ //@ run-pass #![allow(non_local_definitions)] -#![warn(indirect_structural_match)] // This test is checking our logic for structural match checking by enumerating // the different kinds of const expressions. This test is collecting cases where diff --git a/tests/ui/consts/const_in_pattern/cross-crate-fail.rs b/tests/ui/consts/const_in_pattern/cross-crate-fail.rs index d8df2847c440..163a47f43336 100644 --- a/tests/ui/consts/const_in_pattern/cross-crate-fail.rs +++ b/tests/ui/consts/const_in_pattern/cross-crate-fail.rs @@ -1,7 +1,5 @@ //@ aux-build:consts.rs -#![warn(indirect_structural_match)] - extern crate consts; struct Defaulted; diff --git a/tests/ui/consts/const_in_pattern/cross-crate-fail.stderr b/tests/ui/consts/const_in_pattern/cross-crate-fail.stderr index 067f2b6e6747..e0f97a9abd21 100644 --- a/tests/ui/consts/const_in_pattern/cross-crate-fail.stderr +++ b/tests/ui/consts/const_in_pattern/cross-crate-fail.stderr @@ -1,5 +1,5 @@ error: to use a constant of type `CustomEq` in a pattern, `CustomEq` must be annotated with `#[derive(PartialEq)]` - --> $DIR/cross-crate-fail.rs:13:9 + --> $DIR/cross-crate-fail.rs:11:9 | LL | consts::SOME => panic!(), | ^^^^^^^^^^^^ @@ -8,7 +8,7 @@ LL | consts::SOME => panic!(), = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details error: to use a constant of type `CustomEq` in a pattern, `CustomEq` must be annotated with `#[derive(PartialEq)]` - --> $DIR/cross-crate-fail.rs:20:9 + --> $DIR/cross-crate-fail.rs:18:9 | LL | ::SOME => panic!(), | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ diff --git a/tests/ui/consts/const_in_pattern/cross-crate-pass.rs b/tests/ui/consts/const_in_pattern/cross-crate-pass.rs index c18a30b3495b..2a121a23dfc8 100644 --- a/tests/ui/consts/const_in_pattern/cross-crate-pass.rs +++ b/tests/ui/consts/const_in_pattern/cross-crate-pass.rs @@ -1,8 +1,6 @@ //@ run-pass //@ aux-build:consts.rs -#![warn(indirect_structural_match)] - extern crate consts; use consts::CustomEq; diff --git a/tests/ui/consts/const_in_pattern/custom-eq-branch-pass.rs b/tests/ui/consts/const_in_pattern/custom-eq-branch-pass.rs index 605f4e760cd2..2e7061e7c4b4 100644 --- a/tests/ui/consts/const_in_pattern/custom-eq-branch-pass.rs +++ b/tests/ui/consts/const_in_pattern/custom-eq-branch-pass.rs @@ -1,7 +1,5 @@ //@ run-pass -#![warn(indirect_structural_match)] - struct CustomEq; impl Eq for CustomEq {} diff --git a/tests/ui/consts/const_in_pattern/no-eq-branch-fail.rs b/tests/ui/consts/const_in_pattern/no-eq-branch-fail.rs index 141d87d9b703..cf013c1a7906 100644 --- a/tests/ui/consts/const_in_pattern/no-eq-branch-fail.rs +++ b/tests/ui/consts/const_in_pattern/no-eq-branch-fail.rs @@ -1,5 +1,3 @@ -#![warn(indirect_structural_match)] - struct NoEq; enum Foo { diff --git a/tests/ui/consts/const_in_pattern/no-eq-branch-fail.stderr b/tests/ui/consts/const_in_pattern/no-eq-branch-fail.stderr index b29f959de972..7766c6ce683d 100644 --- a/tests/ui/consts/const_in_pattern/no-eq-branch-fail.stderr +++ b/tests/ui/consts/const_in_pattern/no-eq-branch-fail.stderr @@ -1,5 +1,5 @@ error: to use a constant of type `Foo` in a pattern, `Foo` must be annotated with `#[derive(PartialEq)]` - --> $DIR/no-eq-branch-fail.rs:21:9 + --> $DIR/no-eq-branch-fail.rs:19:9 | LL | BAR_BAZ => panic!(), | ^^^^^^^ diff --git a/tests/ui/consts/const_in_pattern/reject_non_structural.rs b/tests/ui/consts/const_in_pattern/reject_non_structural.rs index a9b0aa5507e3..e3dcecec960a 100644 --- a/tests/ui/consts/const_in_pattern/reject_non_structural.rs +++ b/tests/ui/consts/const_in_pattern/reject_non_structural.rs @@ -11,8 +11,6 @@ // See also RFC 1445 #![feature(type_ascription)] -#![warn(indirect_structural_match)] -//~^ NOTE lint level is defined here #[derive(Copy, Clone, Debug)] struct NoPartialEq; @@ -96,9 +94,7 @@ fn main() { const ADDR_OF: &OND = &Some(NoDerive); match &Some(NoDerive) { ADDR_OF => dbg!(ADDR_OF), _ => panic!("whoops"), }; - //~^ WARN must be annotated with `#[derive(PartialEq)]` + //~^ ERROR must be annotated with `#[derive(PartialEq)]` //~| NOTE the traits must be derived //~| NOTE StructuralPartialEq.html for details - //~| WARN previously accepted by the compiler but is being phased out - //~| NOTE for more information, see } diff --git a/tests/ui/consts/const_in_pattern/reject_non_structural.stderr b/tests/ui/consts/const_in_pattern/reject_non_structural.stderr index 2c7aaf89aa78..c068db42e4d9 100644 --- a/tests/ui/consts/const_in_pattern/reject_non_structural.stderr +++ b/tests/ui/consts/const_in_pattern/reject_non_structural.stderr @@ -1,5 +1,5 @@ error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]` - --> $DIR/reject_non_structural.rs:42:36 + --> $DIR/reject_non_structural.rs:40:36 | LL | match Derive::Some(NoDerive) { ENUM => dbg!(ENUM), _ => panic!("whoops"), }; | ^^^^ @@ -8,7 +8,7 @@ LL | match Derive::Some(NoDerive) { ENUM => dbg!(ENUM), _ => panic!("whoops" = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]` - --> $DIR/reject_non_structural.rs:48:28 + --> $DIR/reject_non_structural.rs:46:28 | LL | match Some(NoDerive) { FIELD => dbg!(FIELD), _ => panic!("whoops"), }; | ^^^^^ @@ -17,7 +17,7 @@ LL | match Some(NoDerive) { FIELD => dbg!(FIELD), _ => panic!("whoops"), }; = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]` - --> $DIR/reject_non_structural.rs:55:27 + --> $DIR/reject_non_structural.rs:53:27 | LL | match Some(NoDerive) {INDIRECT => dbg!(INDIRECT), _ => panic!("whoops"), }; | ^^^^^^^^ @@ -26,7 +26,7 @@ LL | match Some(NoDerive) {INDIRECT => dbg!(INDIRECT), _ => panic!("whoops") = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]` - --> $DIR/reject_non_structural.rs:61:36 + --> $DIR/reject_non_structural.rs:59:36 | LL | match (None, Some(NoDerive)) { TUPLE => dbg!(TUPLE), _ => panic!("whoops"), }; | ^^^^^ @@ -35,7 +35,7 @@ LL | match (None, Some(NoDerive)) { TUPLE => dbg!(TUPLE), _ => panic!("whoop = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]` - --> $DIR/reject_non_structural.rs:67:28 + --> $DIR/reject_non_structural.rs:65:28 | LL | match Some(NoDerive) { TYPE_ASCRIPTION => dbg!(TYPE_ASCRIPTION), _ => panic!("whoops"), }; | ^^^^^^^^^^^^^^^ @@ -44,7 +44,7 @@ LL | match Some(NoDerive) { TYPE_ASCRIPTION => dbg!(TYPE_ASCRIPTION), _ => p = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]` - --> $DIR/reject_non_structural.rs:73:36 + --> $DIR/reject_non_structural.rs:71:36 | LL | match [None, Some(NoDerive)] { ARRAY => dbg!(ARRAY), _ => panic!("whoops"), }; | ^^^^^ @@ -53,7 +53,7 @@ LL | match [None, Some(NoDerive)] { ARRAY => dbg!(ARRAY), _ => panic!("whoop = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]` - --> $DIR/reject_non_structural.rs:79:33 + --> $DIR/reject_non_structural.rs:77:33 | LL | match [Some(NoDerive); 2] { REPEAT => dbg!(REPEAT), _ => panic!("whoops"), }; | ^^^^^^ @@ -62,7 +62,7 @@ LL | match [Some(NoDerive); 2] { REPEAT => dbg!(REPEAT), _ => panic!("whoops = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]` - --> $DIR/reject_non_structural.rs:86:28 + --> $DIR/reject_non_structural.rs:84:28 | LL | match Some(NoDerive) { NoDerive::ASSOC => dbg!(NoDerive::ASSOC), _ => panic!("whoops"), }; | ^^^^^^^^^^^^^^^ @@ -71,7 +71,7 @@ LL | match Some(NoDerive) { NoDerive::ASSOC => dbg!(NoDerive::ASSOC), _ => p = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]` - --> $DIR/reject_non_structural.rs:92:28 + --> $DIR/reject_non_structural.rs:90:28 | LL | match Some(NoDerive) { BLOCK => dbg!(BLOCK), _ => panic!("whoops"), }; | ^^^^^ @@ -79,38 +79,14 @@ LL | match Some(NoDerive) { BLOCK => dbg!(BLOCK), _ => panic!("whoops"), }; = note: the traits must be derived, manual `impl`s are not sufficient = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details -warning: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]` - --> $DIR/reject_non_structural.rs:98:29 +error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]` + --> $DIR/reject_non_structural.rs:96:29 | LL | match &Some(NoDerive) { ADDR_OF => dbg!(ADDR_OF), _ => panic!("whoops"), }; | ^^^^^^^ | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 = note: the traits must be derived, manual `impl`s are not sufficient = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details -note: the lint level is defined here - --> $DIR/reject_non_structural.rs:14:9 - | -LL | #![warn(indirect_structural_match)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^ -error: aborting due to 9 previous errors; 1 warning emitted - -Future incompatibility report: Future breakage diagnostic: -warning: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]` - --> $DIR/reject_non_structural.rs:98:29 - | -LL | match &Some(NoDerive) { ADDR_OF => dbg!(ADDR_OF), _ => panic!("whoops"), }; - | ^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - = note: the traits must be derived, manual `impl`s are not sufficient - = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details -note: the lint level is defined here - --> $DIR/reject_non_structural.rs:14:9 - | -LL | #![warn(indirect_structural_match)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^ +error: aborting due to 10 previous errors diff --git a/tests/ui/consts/issue-89088.rs b/tests/ui/consts/issue-89088.rs index d0782963dfc8..02a786e74651 100644 --- a/tests/ui/consts/issue-89088.rs +++ b/tests/ui/consts/issue-89088.rs @@ -1,8 +1,5 @@ // Regression test for the ICE described in #89088. -//@ check-pass - -#![allow(indirect_structural_match)] use std::borrow::Cow; const FOO: &A = &A::Field(Cow::Borrowed("foo")); @@ -16,7 +13,7 @@ fn main() { let var = A::Field(Cow::Borrowed("bar")); match &var { - FOO => todo!(), + FOO => todo!(), //~ERROR derive(PartialEq) _ => todo!() } } diff --git a/tests/ui/consts/issue-89088.stderr b/tests/ui/consts/issue-89088.stderr index 7cb85d5279d0..362c63a2a456 100644 --- a/tests/ui/consts/issue-89088.stderr +++ b/tests/ui/consts/issue-89088.stderr @@ -1,12 +1,11 @@ -Future incompatibility report: Future breakage diagnostic: -warning: to use a constant of type `Cow<'_, str>` in a pattern, `Cow<'_, str>` must be annotated with `#[derive(PartialEq)]` - --> $DIR/issue-89088.rs:19:9 +error: to use a constant of type `Cow<'_, str>` in a pattern, `Cow<'_, str>` must be annotated with `#[derive(PartialEq)]` + --> $DIR/issue-89088.rs:16:9 | LL | FOO => todo!(), | ^^^ | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 = note: the traits must be derived, manual `impl`s are not sufficient = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details +error: aborting due to 1 previous error + diff --git a/tests/ui/nll/issue-55511.rs b/tests/ui/nll/issue-55511.rs index 7dfa9c7bcdff..78ca89b624a9 100644 --- a/tests/ui/nll/issue-55511.rs +++ b/tests/ui/nll/issue-55511.rs @@ -1,4 +1,3 @@ -#![warn(indirect_structural_match)] use std::cell::Cell; trait Foo<'a> { const C: Option>; diff --git a/tests/ui/nll/issue-55511.stderr b/tests/ui/nll/issue-55511.stderr index ac7cd54df71f..726630307bb2 100644 --- a/tests/ui/nll/issue-55511.stderr +++ b/tests/ui/nll/issue-55511.stderr @@ -1,5 +1,5 @@ error[E0597]: `a` does not live long enough - --> $DIR/issue-55511.rs:13:28 + --> $DIR/issue-55511.rs:12:28 | LL | let a = 22; | - binding `a` declared here diff --git a/tests/ui/pattern/usefulness/const-partial_eq-fallback-ice.stderr b/tests/ui/pattern/usefulness/const-partial_eq-fallback-ice.stderr index 2a1cd3a7aa4b..0b4d99727581 100644 --- a/tests/ui/pattern/usefulness/const-partial_eq-fallback-ice.stderr +++ b/tests/ui/pattern/usefulness/const-partial_eq-fallback-ice.stderr @@ -9,15 +9,3 @@ LL | if let CONSTANT = &&MyType { error: aborting due to 1 previous error -Future incompatibility report: Future breakage diagnostic: -warning: to use a constant of type `MyType` in a pattern, `MyType` must be annotated with `#[derive(PartialEq)]` - --> $DIR/const-partial_eq-fallback-ice.rs:14:12 - | -LL | if let CONSTANT = &&MyType { - | ^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - = note: the traits must be derived, manual `impl`s are not sufficient - = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details - diff --git a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-direct-struct-param.rs b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-direct-struct-param.rs index 112021c783fc..f840b4040b65 100644 --- a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-direct-struct-param.rs +++ b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-direct-struct-param.rs @@ -4,7 +4,6 @@ // through that we had intended to reject. // // See discussion on rust-lang/rust#62307 and rust-lang/rust#62339 -#![warn(indirect_structural_match)] struct NoDerive(i32); // This impl makes NoDerive irreflexive. diff --git a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-direct-struct-param.stderr b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-direct-struct-param.stderr index 8bca7d9889cd..3d00ef2dfbf6 100644 --- a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-direct-struct-param.stderr +++ b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-direct-struct-param.stderr @@ -1,5 +1,5 @@ error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]` - --> $DIR/cant-hide-behind-direct-struct-param.rs:22:9 + --> $DIR/cant-hide-behind-direct-struct-param.rs:21:9 | LL | WRAP_DIRECT_PARAM => { panic!("WRAP_DIRECT_PARAM matched itself"); } | ^^^^^^^^^^^^^^^^^ diff --git a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-doubly-indirect-embedded.rs b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-doubly-indirect-embedded.rs index b64fbd9d49a1..898acefc83cc 100644 --- a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-doubly-indirect-embedded.rs +++ b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-doubly-indirect-embedded.rs @@ -4,8 +4,6 @@ // through that we had intended to reject. // // See discussion on rust-lang/rust#62307 and rust-lang/rust#62339 -#![warn(indirect_structural_match)] -//@ run-pass struct NoDerive(#[allow(dead_code)] i32); @@ -22,8 +20,7 @@ const WRAP_DOUBLY_INDIRECT_INLINE: & &WrapInline = & &WrapInline(& & NoDerive(0) fn main() { match WRAP_DOUBLY_INDIRECT_INLINE { WRAP_DOUBLY_INDIRECT_INLINE => { panic!("WRAP_DOUBLY_INDIRECT_INLINE matched itself"); } - //~^ WARN must be annotated with `#[derive(PartialEq)]` - //~| WARN this was previously accepted + //~^ ERROR must be annotated with `#[derive(PartialEq)]` _ => { println!("WRAP_DOUBLY_INDIRECT_INLINE correctly did not match itself"); } } } diff --git a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-doubly-indirect-embedded.stderr b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-doubly-indirect-embedded.stderr index 9945041113d7..3636307e16c6 100644 --- a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-doubly-indirect-embedded.stderr +++ b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-doubly-indirect-embedded.stderr @@ -1,35 +1,11 @@ -warning: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]` - --> $DIR/cant-hide-behind-doubly-indirect-embedded.rs:24:9 +error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]` + --> $DIR/cant-hide-behind-doubly-indirect-embedded.rs:22:9 | LL | WRAP_DOUBLY_INDIRECT_INLINE => { panic!("WRAP_DOUBLY_INDIRECT_INLINE matched itself"); } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 = note: the traits must be derived, manual `impl`s are not sufficient = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details -note: the lint level is defined here - --> $DIR/cant-hide-behind-doubly-indirect-embedded.rs:7:9 - | -LL | #![warn(indirect_structural_match)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^ -warning: 1 warning emitted - -Future incompatibility report: Future breakage diagnostic: -warning: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]` - --> $DIR/cant-hide-behind-doubly-indirect-embedded.rs:24:9 - | -LL | WRAP_DOUBLY_INDIRECT_INLINE => { panic!("WRAP_DOUBLY_INDIRECT_INLINE matched itself"); } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - = note: the traits must be derived, manual `impl`s are not sufficient - = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details -note: the lint level is defined here - --> $DIR/cant-hide-behind-doubly-indirect-embedded.rs:7:9 - | -LL | #![warn(indirect_structural_match)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^ +error: aborting due to 1 previous error diff --git a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-doubly-indirect-param.rs b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-doubly-indirect-param.rs index be37217a7d45..7cbaada88a30 100644 --- a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-doubly-indirect-param.rs +++ b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-doubly-indirect-param.rs @@ -4,8 +4,6 @@ // through that we had intended to reject. // // See discussion on rust-lang/rust#62307 and rust-lang/rust#62339 -#![warn(indirect_structural_match)] -//@ run-pass struct NoDerive(#[allow(dead_code)] i32); @@ -22,8 +20,7 @@ const WRAP_DOUBLY_INDIRECT_PARAM: & &WrapParam = & &WrapParam(& & NoDe fn main() { match WRAP_DOUBLY_INDIRECT_PARAM { WRAP_DOUBLY_INDIRECT_PARAM => { panic!("WRAP_DOUBLY_INDIRECT_PARAM matched itself"); } - //~^ WARN must be annotated with `#[derive(PartialEq)]` - //~| WARN this was previously accepted + //~^ ERROR must be annotated with `#[derive(PartialEq)]` _ => { println!("WRAP_DOUBLY_INDIRECT_PARAM correctly did not match itself"); } } } diff --git a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-doubly-indirect-param.stderr b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-doubly-indirect-param.stderr index 6ac261ae8143..40fd31762b2f 100644 --- a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-doubly-indirect-param.stderr +++ b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-doubly-indirect-param.stderr @@ -1,35 +1,11 @@ -warning: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]` - --> $DIR/cant-hide-behind-doubly-indirect-param.rs:24:9 +error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]` + --> $DIR/cant-hide-behind-doubly-indirect-param.rs:22:9 | LL | WRAP_DOUBLY_INDIRECT_PARAM => { panic!("WRAP_DOUBLY_INDIRECT_PARAM matched itself"); } | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 = note: the traits must be derived, manual `impl`s are not sufficient = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details -note: the lint level is defined here - --> $DIR/cant-hide-behind-doubly-indirect-param.rs:7:9 - | -LL | #![warn(indirect_structural_match)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^ -warning: 1 warning emitted - -Future incompatibility report: Future breakage diagnostic: -warning: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]` - --> $DIR/cant-hide-behind-doubly-indirect-param.rs:24:9 - | -LL | WRAP_DOUBLY_INDIRECT_PARAM => { panic!("WRAP_DOUBLY_INDIRECT_PARAM matched itself"); } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - = note: the traits must be derived, manual `impl`s are not sufficient - = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details -note: the lint level is defined here - --> $DIR/cant-hide-behind-doubly-indirect-param.rs:7:9 - | -LL | #![warn(indirect_structural_match)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^ +error: aborting due to 1 previous error diff --git a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-indirect-struct-embedded.rs b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-indirect-struct-embedded.rs index e26234bd4553..ac868efed6fd 100644 --- a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-indirect-struct-embedded.rs +++ b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-indirect-struct-embedded.rs @@ -4,8 +4,6 @@ // through that we had intended to reject. // // See discussion on rust-lang/rust#62307 and rust-lang/rust#62339 -#![warn(indirect_structural_match)] -//@ run-pass struct NoDerive(#[allow(dead_code)] i32); @@ -22,8 +20,7 @@ const WRAP_INDIRECT_INLINE: & &WrapInline = & &WrapInline(NoDerive(0)); fn main() { match WRAP_INDIRECT_INLINE { WRAP_INDIRECT_INLINE => { panic!("WRAP_INDIRECT_INLINE matched itself"); } - //~^ WARN must be annotated with `#[derive(PartialEq)]` - //~| WARN this was previously accepted + //~^ ERROR must be annotated with `#[derive(PartialEq)]` _ => { println!("WRAP_INDIRECT_INLINE did not match itself"); } } } diff --git a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-indirect-struct-embedded.stderr b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-indirect-struct-embedded.stderr index 41616fb90fe9..dbf1848326aa 100644 --- a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-indirect-struct-embedded.stderr +++ b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-indirect-struct-embedded.stderr @@ -1,35 +1,11 @@ -warning: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]` - --> $DIR/cant-hide-behind-indirect-struct-embedded.rs:24:9 +error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]` + --> $DIR/cant-hide-behind-indirect-struct-embedded.rs:22:9 | LL | WRAP_INDIRECT_INLINE => { panic!("WRAP_INDIRECT_INLINE matched itself"); } | ^^^^^^^^^^^^^^^^^^^^ | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 = note: the traits must be derived, manual `impl`s are not sufficient = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details -note: the lint level is defined here - --> $DIR/cant-hide-behind-indirect-struct-embedded.rs:7:9 - | -LL | #![warn(indirect_structural_match)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^ -warning: 1 warning emitted - -Future incompatibility report: Future breakage diagnostic: -warning: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]` - --> $DIR/cant-hide-behind-indirect-struct-embedded.rs:24:9 - | -LL | WRAP_INDIRECT_INLINE => { panic!("WRAP_INDIRECT_INLINE matched itself"); } - | ^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - = note: the traits must be derived, manual `impl`s are not sufficient - = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details -note: the lint level is defined here - --> $DIR/cant-hide-behind-indirect-struct-embedded.rs:7:9 - | -LL | #![warn(indirect_structural_match)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^ +error: aborting due to 1 previous error diff --git a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-indirect-struct-param.rs b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-indirect-struct-param.rs index 729f411a0215..cbfabec6819e 100644 --- a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-indirect-struct-param.rs +++ b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-indirect-struct-param.rs @@ -4,8 +4,6 @@ // through that we had intended to reject. // // See discussion on rust-lang/rust#62307 and rust-lang/rust#62339 -#![warn(indirect_structural_match)] -//@ run-pass struct NoDerive(#[allow(dead_code)] i32); @@ -22,8 +20,7 @@ const WRAP_INDIRECT_PARAM: & &WrapParam = & &WrapParam(NoDerive(0)); fn main() { match WRAP_INDIRECT_PARAM { WRAP_INDIRECT_PARAM => { panic!("WRAP_INDIRECT_PARAM matched itself"); } - //~^ WARN must be annotated with `#[derive(PartialEq)]` - //~| WARN this was previously accepted + //~^ ERROR must be annotated with `#[derive(PartialEq)]` _ => { println!("WRAP_INDIRECT_PARAM correctly did not match itself"); } } } diff --git a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-indirect-struct-param.stderr b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-indirect-struct-param.stderr index 99dea5171d1b..58acc11a7449 100644 --- a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-indirect-struct-param.stderr +++ b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-indirect-struct-param.stderr @@ -1,35 +1,11 @@ -warning: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]` - --> $DIR/cant-hide-behind-indirect-struct-param.rs:24:9 +error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]` + --> $DIR/cant-hide-behind-indirect-struct-param.rs:22:9 | LL | WRAP_INDIRECT_PARAM => { panic!("WRAP_INDIRECT_PARAM matched itself"); } | ^^^^^^^^^^^^^^^^^^^ | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 = note: the traits must be derived, manual `impl`s are not sufficient = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details -note: the lint level is defined here - --> $DIR/cant-hide-behind-indirect-struct-param.rs:7:9 - | -LL | #![warn(indirect_structural_match)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^ -warning: 1 warning emitted - -Future incompatibility report: Future breakage diagnostic: -warning: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]` - --> $DIR/cant-hide-behind-indirect-struct-param.rs:24:9 - | -LL | WRAP_INDIRECT_PARAM => { panic!("WRAP_INDIRECT_PARAM matched itself"); } - | ^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - = note: the traits must be derived, manual `impl`s are not sufficient - = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details -note: the lint level is defined here - --> $DIR/cant-hide-behind-indirect-struct-param.rs:7:9 - | -LL | #![warn(indirect_structural_match)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^ +error: aborting due to 1 previous error diff --git a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/issue-62307-match-ref-ref-forbidden-without-eq.rs b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/issue-62307-match-ref-ref-forbidden-without-eq.rs index 81618b3b791e..0fa2370c95bf 100644 --- a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/issue-62307-match-ref-ref-forbidden-without-eq.rs +++ b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/issue-62307-match-ref-ref-forbidden-without-eq.rs @@ -10,8 +10,6 @@ // Issue 62307 pointed out a case where the structural-match checking // was too shallow. -#![warn(indirect_structural_match)] -//@ run-pass #[derive(Debug)] struct B(i32); @@ -29,15 +27,13 @@ fn main() { match RR_B0 { RR_B1 => { println!("CLAIM RR0: {:?} matches {:?}", RR_B1, RR_B0); } - //~^ WARN must be annotated with `#[derive(PartialEq)]` - //~| WARN this was previously accepted + //~^ ERROR must be annotated with `#[derive(PartialEq)]` _ => { } } match RR_B1 { RR_B1 => { println!("CLAIM RR1: {:?} matches {:?}", RR_B1, RR_B1); } - //~^ WARN must be annotated with `#[derive(PartialEq)]` - //~| WARN this was previously accepted + //~^ ERROR must be annotated with `#[derive(PartialEq)]` _ => { } } } diff --git a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/issue-62307-match-ref-ref-forbidden-without-eq.stderr b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/issue-62307-match-ref-ref-forbidden-without-eq.stderr index d4ab1ce3ba2a..e79b05fdf9dc 100644 --- a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/issue-62307-match-ref-ref-forbidden-without-eq.stderr +++ b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/issue-62307-match-ref-ref-forbidden-without-eq.stderr @@ -1,63 +1,20 @@ -warning: to use a constant of type `B` in a pattern, `B` must be annotated with `#[derive(PartialEq)]` - --> $DIR/issue-62307-match-ref-ref-forbidden-without-eq.rs:31:9 +error: to use a constant of type `B` in a pattern, `B` must be annotated with `#[derive(PartialEq)]` + --> $DIR/issue-62307-match-ref-ref-forbidden-without-eq.rs:29:9 | LL | RR_B1 => { println!("CLAIM RR0: {:?} matches {:?}", RR_B1, RR_B0); } | ^^^^^ | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 = note: the traits must be derived, manual `impl`s are not sufficient = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details -note: the lint level is defined here - --> $DIR/issue-62307-match-ref-ref-forbidden-without-eq.rs:13:9 - | -LL | #![warn(indirect_structural_match)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^ -warning: to use a constant of type `B` in a pattern, `B` must be annotated with `#[derive(PartialEq)]` - --> $DIR/issue-62307-match-ref-ref-forbidden-without-eq.rs:38:9 +error: to use a constant of type `B` in a pattern, `B` must be annotated with `#[derive(PartialEq)]` + --> $DIR/issue-62307-match-ref-ref-forbidden-without-eq.rs:35:9 | LL | RR_B1 => { println!("CLAIM RR1: {:?} matches {:?}", RR_B1, RR_B1); } | ^^^^^ | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 = note: the traits must be derived, manual `impl`s are not sufficient = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details -warning: 2 warnings emitted - -Future incompatibility report: Future breakage diagnostic: -warning: to use a constant of type `B` in a pattern, `B` must be annotated with `#[derive(PartialEq)]` - --> $DIR/issue-62307-match-ref-ref-forbidden-without-eq.rs:31:9 - | -LL | RR_B1 => { println!("CLAIM RR0: {:?} matches {:?}", RR_B1, RR_B0); } - | ^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - = note: the traits must be derived, manual `impl`s are not sufficient - = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details -note: the lint level is defined here - --> $DIR/issue-62307-match-ref-ref-forbidden-without-eq.rs:13:9 - | -LL | #![warn(indirect_structural_match)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^ - -Future breakage diagnostic: -warning: to use a constant of type `B` in a pattern, `B` must be annotated with `#[derive(PartialEq)]` - --> $DIR/issue-62307-match-ref-ref-forbidden-without-eq.rs:38:9 - | -LL | RR_B1 => { println!("CLAIM RR1: {:?} matches {:?}", RR_B1, RR_B1); } - | ^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - = note: the traits must be derived, manual `impl`s are not sufficient - = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details -note: the lint level is defined here - --> $DIR/issue-62307-match-ref-ref-forbidden-without-eq.rs:13:9 - | -LL | #![warn(indirect_structural_match)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^ +error: aborting due to 2 previous errors From cbd682beeb0a7b54f4cc9e5dee3be3e6d728b9c4 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Fri, 3 May 2024 15:49:10 +0200 Subject: [PATCH 0051/1716] turn pointer_structural_match into a hard error --- compiler/rustc_lint/src/lib.rs | 5 + compiler/rustc_lint_defs/src/builtin.rs | 40 ---- compiler/rustc_mir_build/src/errors.rs | 7 +- .../src/thir/pattern/const_to_pat.rs | 10 +- .../match/match-edge-cases_1.rs | 6 +- .../match/match-edge-cases_1.stderr | 23 -- .../issue-34784-match-on-non-int-raw-ptr.rs | 5 - ...ssue-34784-match-on-non-int-raw-ptr.stderr | 85 +------- .../ui/consts/const_in_pattern/issue-44333.rs | 10 +- .../const_in_pattern/issue-44333.stderr | 51 +---- tests/ui/pattern/usefulness/consts-opaque.rs | 25 +-- .../pattern/usefulness/consts-opaque.stderr | 163 ++------------ .../const-eval-compare-ice-105047.rs | 15 -- .../const-eval-compare-ice-105047.stderr | 31 --- ...-hide-behind-direct-unsafe-ptr-embedded.rs | 26 --- ...low-hide-behind-direct-unsafe-ptr-param.rs | 26 --- ...ide-behind-indirect-unsafe-ptr-embedded.rs | 26 --- ...w-hide-behind-indirect-unsafe-ptr-param.rs | 26 --- ...> fn-ptr-is-not-structurally-matchable.rs} | 36 ++-- ...n-ptr-is-not-structurally-matchable.stderr | 62 ++++++ .../fn-ptr-is-structurally-matchable.stderr | 203 ------------------ .../issue-63479-match-fnptr.rs | 10 +- .../issue-63479-match-fnptr.stderr | 51 +---- 23 files changed, 131 insertions(+), 811 deletions(-) delete mode 100644 tests/ui/closures/2229_closure_analysis/match/match-edge-cases_1.stderr delete mode 100644 tests/ui/raw-ref-op/const-eval-compare-ice-105047.rs delete mode 100644 tests/ui/raw-ref-op/const-eval-compare-ice-105047.stderr delete mode 100644 tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/allow-hide-behind-direct-unsafe-ptr-embedded.rs delete mode 100644 tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/allow-hide-behind-direct-unsafe-ptr-param.rs delete mode 100644 tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/allow-hide-behind-indirect-unsafe-ptr-embedded.rs delete mode 100644 tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/allow-hide-behind-indirect-unsafe-ptr-param.rs rename tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/{fn-ptr-is-structurally-matchable.rs => fn-ptr-is-not-structurally-matchable.rs} (76%) create mode 100644 tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/fn-ptr-is-not-structurally-matchable.stderr delete mode 100644 tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/fn-ptr-is-structurally-matchable.stderr diff --git a/compiler/rustc_lint/src/lib.rs b/compiler/rustc_lint/src/lib.rs index b3a7f50e8ea2..04f15167bd93 100644 --- a/compiler/rustc_lint/src/lib.rs +++ b/compiler/rustc_lint/src/lib.rs @@ -544,6 +544,11 @@ fn register_builtins(store: &mut LintStore) { "converted into hard error, see RFC #3535 \ for more information", ); + store.register_removed( + "pointer_structural_match", + "converted into hard error, see RFC #3535 \ + for more information", + ); } fn register_internals(store: &mut LintStore) { diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs index 6da6b39bac10..1a437eb55c77 100644 --- a/compiler/rustc_lint_defs/src/builtin.rs +++ b/compiler/rustc_lint_defs/src/builtin.rs @@ -74,7 +74,6 @@ declare_lint_pass! { ORDER_DEPENDENT_TRAIT_OBJECTS, OVERLAPPING_RANGE_ENDPOINTS, PATTERNS_IN_FNS_WITHOUT_BODY, - POINTER_STRUCTURAL_MATCH, PRIVATE_BOUNDS, PRIVATE_INTERFACES, PROC_MACRO_BACK_COMPAT, @@ -2371,45 +2370,6 @@ declare_lint! { report_in_external_macro } -declare_lint! { - /// The `pointer_structural_match` lint detects pointers used in patterns whose behaviour - /// cannot be relied upon across compiler versions and optimization levels. - /// - /// ### Example - /// - /// ```rust,compile_fail - /// #![deny(pointer_structural_match)] - /// fn foo(a: usize, b: usize) -> usize { a + b } - /// const FOO: fn(usize, usize) -> usize = foo; - /// fn main() { - /// match FOO { - /// FOO => {}, - /// _ => {}, - /// } - /// } - /// ``` - /// - /// {{produces}} - /// - /// ### Explanation - /// - /// Previous versions of Rust allowed function pointers and all raw pointers in patterns. - /// While these work in many cases as expected by users, it is possible that due to - /// optimizations pointers are "not equal to themselves" or pointers to different functions - /// compare as equal during runtime. This is because LLVM optimizations can deduplicate - /// functions if their bodies are the same, thus also making pointers to these functions point - /// to the same location. Additionally functions may get duplicated if they are instantiated - /// in different crates and not deduplicated again via LTO. Pointer identity for memory - /// created by `const` is similarly unreliable. - pub POINTER_STRUCTURAL_MATCH, - Warn, - "pointers are not structural-match", - @future_incompatible = FutureIncompatibleInfo { - reason: FutureIncompatibilityReason::FutureReleaseErrorReportInDeps, - reference: "issue #120362 ", - }; -} - declare_lint! { /// The `ambiguous_associated_items` lint detects ambiguity between /// [associated items] and [enum variants]. diff --git a/compiler/rustc_mir_build/src/errors.rs b/compiler/rustc_mir_build/src/errors.rs index 1d52c2723aab..51dd774b638d 100644 --- a/compiler/rustc_mir_build/src/errors.rs +++ b/compiler/rustc_mir_build/src/errors.rs @@ -788,9 +788,12 @@ pub struct NaNPattern { pub span: Span, } -#[derive(LintDiagnostic)] +#[derive(Diagnostic)] #[diag(mir_build_pointer_pattern)] -pub struct PointerPattern; +pub struct PointerPattern { + #[primary_span] + pub span: Span, +} #[derive(Diagnostic)] #[diag(mir_build_non_empty_never_pattern)] diff --git a/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs b/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs index 6d2e740af408..84162433fa9d 100644 --- a/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs +++ b/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs @@ -6,7 +6,6 @@ use rustc_infer::traits::Obligation; use rustc_middle::mir; use rustc_middle::thir::{FieldPat, Pat, PatKind}; use rustc_middle::ty::{self, Ty, TyCtxt, ValTree}; -use rustc_session::lint; use rustc_span::{ErrorGuaranteed, Span}; use rustc_target::abi::{FieldIdx, VariantIdx}; use rustc_trait_selection::traits::query::evaluate_obligation::InferCtxtExt; @@ -189,12 +188,9 @@ impl<'tcx> ConstToPat<'tcx> { } else if !have_valtree { // The only way valtree construction can fail without the structural match // checker finding a violation is if there is a pointer somewhere. - self.tcx().emit_node_span_lint( - lint::builtin::POINTER_STRUCTURAL_MATCH, - self.id, - self.span, - PointerPattern, - ); + let e = self.tcx().dcx().emit_err(PointerPattern { span: self.span }); + let kind = PatKind::Error(e); + return Box::new(Pat { span: self.span, ty: cv.ty(), kind }); } // Always check for `PartialEq` if we had no other errors yet. diff --git a/tests/ui/closures/2229_closure_analysis/match/match-edge-cases_1.rs b/tests/ui/closures/2229_closure_analysis/match/match-edge-cases_1.rs index 840eda0513f8..a0e8e614d8ee 100644 --- a/tests/ui/closures/2229_closure_analysis/match/match-edge-cases_1.rs +++ b/tests/ui/closures/2229_closure_analysis/match/match-edge-cases_1.rs @@ -2,8 +2,7 @@ //@ edition:2021 const PATTERN_REF: &str = "Hello World"; -const NUMBER: i32 = 30; -const NUMBER_POINTER: *const i32 = &NUMBER; +const NUMBER_POINTER: *const i32 = 30 as *const i32; pub fn edge_case_ref(event: &str) { let _ = || { @@ -26,8 +25,7 @@ pub fn edge_case_str(event: String) { pub fn edge_case_raw_ptr(event: *const i32) { let _ = || { match event { - NUMBER_POINTER => (), //~WARN behave unpredictably - //~| previously accepted + NUMBER_POINTER => (), _ => (), }; }; diff --git a/tests/ui/closures/2229_closure_analysis/match/match-edge-cases_1.stderr b/tests/ui/closures/2229_closure_analysis/match/match-edge-cases_1.stderr deleted file mode 100644 index 8a2aaade6650..000000000000 --- a/tests/ui/closures/2229_closure_analysis/match/match-edge-cases_1.stderr +++ /dev/null @@ -1,23 +0,0 @@ -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/match-edge-cases_1.rs:29:13 - | -LL | NUMBER_POINTER => (), - | ^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - = note: `#[warn(pointer_structural_match)]` on by default - -warning: 1 warning emitted - -Future incompatibility report: Future breakage diagnostic: -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/match-edge-cases_1.rs:29:13 - | -LL | NUMBER_POINTER => (), - | ^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - = note: `#[warn(pointer_structural_match)]` on by default - diff --git a/tests/ui/consts/const_in_pattern/issue-34784-match-on-non-int-raw-ptr.rs b/tests/ui/consts/const_in_pattern/issue-34784-match-on-non-int-raw-ptr.rs index 6285427f59cb..e7c6101a3e06 100644 --- a/tests/ui/consts/const_in_pattern/issue-34784-match-on-non-int-raw-ptr.rs +++ b/tests/ui/consts/const_in_pattern/issue-34784-match-on-non-int-raw-ptr.rs @@ -1,4 +1,3 @@ -#![deny(pointer_structural_match)] #![allow(dead_code)] const C: *const u8 = &0; @@ -8,7 +7,6 @@ const C_INNER: (*const u8, u8) = (C, 0); fn foo(x: *const u8) { match x { C => {} //~ERROR: behave unpredictably - //~| previously accepted _ => {} } } @@ -16,7 +14,6 @@ fn foo(x: *const u8) { fn foo2(x: *const u8) { match (x, 1) { C_INNER => {} //~ERROR: behave unpredictably - //~| previously accepted _ => {} } } @@ -28,13 +25,11 @@ const STR: *const str = "abcd"; fn main() { match D { D => {} //~ERROR: behave unpredictably - //~| previously accepted _ => {} } match STR { STR => {} //~ERROR: behave unpredictably - //~| previously accepted _ => {} } } diff --git a/tests/ui/consts/const_in_pattern/issue-34784-match-on-non-int-raw-ptr.stderr b/tests/ui/consts/const_in_pattern/issue-34784-match-on-non-int-raw-ptr.stderr index bc1015c17342..aa208341c131 100644 --- a/tests/ui/consts/const_in_pattern/issue-34784-match-on-non-int-raw-ptr.stderr +++ b/tests/ui/consts/const_in_pattern/issue-34784-match-on-non-int-raw-ptr.stderr @@ -1,103 +1,26 @@ error: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/issue-34784-match-on-non-int-raw-ptr.rs:10:9 + --> $DIR/issue-34784-match-on-non-int-raw-ptr.rs:9:9 | LL | C => {} | ^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 -note: the lint level is defined here - --> $DIR/issue-34784-match-on-non-int-raw-ptr.rs:1:9 - | -LL | #![deny(pointer_structural_match)] - | ^^^^^^^^^^^^^^^^^^^^^^^^ error: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/issue-34784-match-on-non-int-raw-ptr.rs:18:9 + --> $DIR/issue-34784-match-on-non-int-raw-ptr.rs:16:9 | LL | C_INNER => {} | ^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 error: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/issue-34784-match-on-non-int-raw-ptr.rs:30:9 + --> $DIR/issue-34784-match-on-non-int-raw-ptr.rs:27:9 | LL | D => {} | ^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 error: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/issue-34784-match-on-non-int-raw-ptr.rs:36:9 + --> $DIR/issue-34784-match-on-non-int-raw-ptr.rs:32:9 | LL | STR => {} | ^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 error: aborting due to 4 previous errors -Future incompatibility report: Future breakage diagnostic: -error: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/issue-34784-match-on-non-int-raw-ptr.rs:10:9 - | -LL | C => {} - | ^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 -note: the lint level is defined here - --> $DIR/issue-34784-match-on-non-int-raw-ptr.rs:1:9 - | -LL | #![deny(pointer_structural_match)] - | ^^^^^^^^^^^^^^^^^^^^^^^^ - -Future breakage diagnostic: -error: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/issue-34784-match-on-non-int-raw-ptr.rs:18:9 - | -LL | C_INNER => {} - | ^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 -note: the lint level is defined here - --> $DIR/issue-34784-match-on-non-int-raw-ptr.rs:1:9 - | -LL | #![deny(pointer_structural_match)] - | ^^^^^^^^^^^^^^^^^^^^^^^^ - -Future breakage diagnostic: -error: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/issue-34784-match-on-non-int-raw-ptr.rs:30:9 - | -LL | D => {} - | ^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 -note: the lint level is defined here - --> $DIR/issue-34784-match-on-non-int-raw-ptr.rs:1:9 - | -LL | #![deny(pointer_structural_match)] - | ^^^^^^^^^^^^^^^^^^^^^^^^ - -Future breakage diagnostic: -error: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/issue-34784-match-on-non-int-raw-ptr.rs:36:9 - | -LL | STR => {} - | ^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 -note: the lint level is defined here - --> $DIR/issue-34784-match-on-non-int-raw-ptr.rs:1:9 - | -LL | #![deny(pointer_structural_match)] - | ^^^^^^^^^^^^^^^^^^^^^^^^ - diff --git a/tests/ui/consts/const_in_pattern/issue-44333.rs b/tests/ui/consts/const_in_pattern/issue-44333.rs index 9adf02cbfcef..8a70aae1d509 100644 --- a/tests/ui/consts/const_in_pattern/issue-44333.rs +++ b/tests/ui/consts/const_in_pattern/issue-44333.rs @@ -1,7 +1,3 @@ -//@ run-pass - -#![warn(pointer_structural_match)] - type Func = fn(usize, usize) -> usize; fn foo(a: usize, b: usize) -> usize { a + b } @@ -16,10 +12,8 @@ const BAR: Func = bar; fn main() { match test(std::env::consts::ARCH.len()) { - FOO => println!("foo"), //~ WARN behave unpredictably - //~^ WARN will become a hard error - BAR => println!("bar"), //~ WARN behave unpredictably - //~^ WARN will become a hard error + FOO => println!("foo"), //~ ERROR behave unpredictably + BAR => println!("bar"), //~ ERROR behave unpredictably _ => unreachable!(), } } diff --git a/tests/ui/consts/const_in_pattern/issue-44333.stderr b/tests/ui/consts/const_in_pattern/issue-44333.stderr index f5931f0cad08..d377bfd95f9c 100644 --- a/tests/ui/consts/const_in_pattern/issue-44333.stderr +++ b/tests/ui/consts/const_in_pattern/issue-44333.stderr @@ -1,55 +1,14 @@ -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/issue-44333.rs:19:9 +error: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. + --> $DIR/issue-44333.rs:15:9 | LL | FOO => println!("foo"), | ^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 -note: the lint level is defined here - --> $DIR/issue-44333.rs:3:9 - | -LL | #![warn(pointer_structural_match)] - | ^^^^^^^^^^^^^^^^^^^^^^^^ -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/issue-44333.rs:21:9 +error: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. + --> $DIR/issue-44333.rs:16:9 | LL | BAR => println!("bar"), | ^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 -warning: 2 warnings emitted - -Future incompatibility report: Future breakage diagnostic: -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/issue-44333.rs:19:9 - | -LL | FOO => println!("foo"), - | ^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 -note: the lint level is defined here - --> $DIR/issue-44333.rs:3:9 - | -LL | #![warn(pointer_structural_match)] - | ^^^^^^^^^^^^^^^^^^^^^^^^ - -Future breakage diagnostic: -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/issue-44333.rs:21:9 - | -LL | BAR => println!("bar"), - | ^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 -note: the lint level is defined here - --> $DIR/issue-44333.rs:3:9 - | -LL | #![warn(pointer_structural_match)] - | ^^^^^^^^^^^^^^^^^^^^^^^^ +error: aborting due to 2 previous errors diff --git a/tests/ui/pattern/usefulness/consts-opaque.rs b/tests/ui/pattern/usefulness/consts-opaque.rs index 3e4617851823..a5743c633085 100644 --- a/tests/ui/pattern/usefulness/consts-opaque.rs +++ b/tests/ui/pattern/usefulness/consts-opaque.rs @@ -93,10 +93,8 @@ fn main() { const QUUX: Quux = quux; match QUUX { - QUUX => {} //~WARN behave unpredictably - //~| previously accepted - QUUX => {} //~WARN behave unpredictably - //~| previously accepted + QUUX => {} //~ERROR behave unpredictably + QUUX => {} //~ERROR behave unpredictably _ => {} } @@ -105,17 +103,14 @@ fn main() { const WRAPQUUX: Wrap = Wrap(quux); match WRAPQUUX { - WRAPQUUX => {} //~WARN behave unpredictably - //~| previously accepted - WRAPQUUX => {} //~WARN behave unpredictably - //~| previously accepted + WRAPQUUX => {} //~ERROR behave unpredictably + WRAPQUUX => {} //~ERROR behave unpredictably Wrap(_) => {} } match WRAPQUUX { Wrap(_) => {} - WRAPQUUX => {} //~WARN behave unpredictably - //~| previously accepted + WRAPQUUX => {} //~ERROR behave unpredictably } match WRAPQUUX { @@ -123,9 +118,7 @@ fn main() { } match WRAPQUUX { - //~^ ERROR: non-exhaustive patterns: `Wrap(_)` not covered - WRAPQUUX => {} //~WARN behave unpredictably - //~| previously accepted + WRAPQUUX => {} //~ERROR behave unpredictably } #[derive(PartialEq, Eq)] @@ -136,11 +129,9 @@ fn main() { const WHOKNOWSQUUX: WhoKnows = WhoKnows::Yay(quux); match WHOKNOWSQUUX { - WHOKNOWSQUUX => {} //~WARN behave unpredictably - //~| previously accepted + WHOKNOWSQUUX => {} //~ERROR behave unpredictably WhoKnows::Yay(_) => {} - WHOKNOWSQUUX => {} //~WARN behave unpredictably - //~| previously accepted + WHOKNOWSQUUX => {} //~ERROR behave unpredictably WhoKnows::Nope => {} } } diff --git a/tests/ui/pattern/usefulness/consts-opaque.stderr b/tests/ui/pattern/usefulness/consts-opaque.stderr index 6a5bd185e39b..d057309e4206 100644 --- a/tests/ui/pattern/usefulness/consts-opaque.stderr +++ b/tests/ui/pattern/usefulness/consts-opaque.stderr @@ -1,75 +1,50 @@ -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. +error: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. --> $DIR/consts-opaque.rs:96:9 | LL | QUUX => {} | ^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - = note: `#[warn(pointer_structural_match)]` on by default -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/consts-opaque.rs:98:9 +error: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. + --> $DIR/consts-opaque.rs:97:9 | LL | QUUX => {} | ^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/consts-opaque.rs:108:9 +error: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. + --> $DIR/consts-opaque.rs:106:9 | LL | WRAPQUUX => {} | ^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/consts-opaque.rs:110:9 +error: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. + --> $DIR/consts-opaque.rs:107:9 | LL | WRAPQUUX => {} | ^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/consts-opaque.rs:117:9 +error: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. + --> $DIR/consts-opaque.rs:113:9 | LL | WRAPQUUX => {} | ^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/consts-opaque.rs:127:9 +error: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. + --> $DIR/consts-opaque.rs:121:9 | LL | WRAPQUUX => {} | ^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/consts-opaque.rs:139:9 +error: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. + --> $DIR/consts-opaque.rs:132:9 | LL | WHOKNOWSQUUX => {} | ^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/consts-opaque.rs:142:9 +error: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. + --> $DIR/consts-opaque.rs:134:9 | LL | WHOKNOWSQUUX => {} | ^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 error: unreachable pattern --> $DIR/consts-opaque.rs:48:9 @@ -146,111 +121,5 @@ error: unreachable pattern LL | _ => {} // should not be emitting unreachable warning | ^ -error[E0004]: non-exhaustive patterns: `Wrap(_)` not covered - --> $DIR/consts-opaque.rs:125:11 - | -LL | match WRAPQUUX { - | ^^^^^^^^ pattern `Wrap(_)` not covered - | -note: `Wrap usize>` defined here - --> $DIR/consts-opaque.rs:104:12 - | -LL | struct Wrap(T); - | ^^^^ - = note: the matched value is of type `Wrap usize>` -help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown - | -LL | WRAPQUUX => {}, Wrap(_) => todo!() - | ++++++++++++++++++++ - -error: aborting due to 10 previous errors; 8 warnings emitted - -For more information about this error, try `rustc --explain E0004`. -Future incompatibility report: Future breakage diagnostic: -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/consts-opaque.rs:96:9 - | -LL | QUUX => {} - | ^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - = note: `#[warn(pointer_structural_match)]` on by default - -Future breakage diagnostic: -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/consts-opaque.rs:98:9 - | -LL | QUUX => {} - | ^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - = note: `#[warn(pointer_structural_match)]` on by default - -Future breakage diagnostic: -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/consts-opaque.rs:108:9 - | -LL | WRAPQUUX => {} - | ^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - = note: `#[warn(pointer_structural_match)]` on by default - -Future breakage diagnostic: -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/consts-opaque.rs:110:9 - | -LL | WRAPQUUX => {} - | ^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - = note: `#[warn(pointer_structural_match)]` on by default - -Future breakage diagnostic: -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/consts-opaque.rs:117:9 - | -LL | WRAPQUUX => {} - | ^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - = note: `#[warn(pointer_structural_match)]` on by default - -Future breakage diagnostic: -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/consts-opaque.rs:127:9 - | -LL | WRAPQUUX => {} - | ^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - = note: `#[warn(pointer_structural_match)]` on by default - -Future breakage diagnostic: -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/consts-opaque.rs:139:9 - | -LL | WHOKNOWSQUUX => {} - | ^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - = note: `#[warn(pointer_structural_match)]` on by default - -Future breakage diagnostic: -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/consts-opaque.rs:142:9 - | -LL | WHOKNOWSQUUX => {} - | ^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - = note: `#[warn(pointer_structural_match)]` on by default +error: aborting due to 17 previous errors diff --git a/tests/ui/raw-ref-op/const-eval-compare-ice-105047.rs b/tests/ui/raw-ref-op/const-eval-compare-ice-105047.rs deleted file mode 100644 index 87ce4f1e14d9..000000000000 --- a/tests/ui/raw-ref-op/const-eval-compare-ice-105047.rs +++ /dev/null @@ -1,15 +0,0 @@ -// issue: rust-lang/rust#105047 -// ICE raw ptr comparison should already be caught in the trait systems - -#![feature(raw_ref_op)] - -const RCZ: *const i32 = &raw const *&0; - -const fn f() { - if let RCZ = &raw const *&0 { } - //~^ WARN function pointers and raw pointers not derived from integers in patterns - //~| ERROR pointers cannot be reliably compared during const eval - //~| WARN this was previously accepted by the compiler but is being phased out -} - -fn main() {} diff --git a/tests/ui/raw-ref-op/const-eval-compare-ice-105047.stderr b/tests/ui/raw-ref-op/const-eval-compare-ice-105047.stderr deleted file mode 100644 index 9c472cda2442..000000000000 --- a/tests/ui/raw-ref-op/const-eval-compare-ice-105047.stderr +++ /dev/null @@ -1,31 +0,0 @@ -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/const-eval-compare-ice-105047.rs:9:12 - | -LL | if let RCZ = &raw const *&0 { } - | ^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - = note: `#[warn(pointer_structural_match)]` on by default - -error: pointers cannot be reliably compared during const eval - --> $DIR/const-eval-compare-ice-105047.rs:9:12 - | -LL | if let RCZ = &raw const *&0 { } - | ^^^ - | - = note: see issue #53020 for more information - -error: aborting due to 1 previous error; 1 warning emitted - -Future incompatibility report: Future breakage diagnostic: -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/const-eval-compare-ice-105047.rs:9:12 - | -LL | if let RCZ = &raw const *&0 { } - | ^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - = note: `#[warn(pointer_structural_match)]` on by default - diff --git a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/allow-hide-behind-direct-unsafe-ptr-embedded.rs b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/allow-hide-behind-direct-unsafe-ptr-embedded.rs deleted file mode 100644 index 22ea6f7534a7..000000000000 --- a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/allow-hide-behind-direct-unsafe-ptr-embedded.rs +++ /dev/null @@ -1,26 +0,0 @@ -// Test explores how `#[structral_match]` behaves in tandem with -// `*const` and `*mut` pointers. - -//@ run-pass - -#![warn(pointer_structural_match)] - -struct NoDerive(#[allow(dead_code)] i32); - -// This impl makes NoDerive irreflexive -// (which doesn't matter here because `<*const T>::eq` won't recur on `T`). -impl PartialEq for NoDerive { fn eq(&self, _: &Self) -> bool { false } } - -impl Eq for NoDerive { } - -#[derive(PartialEq, Eq)] -struct WrapEmbedded(*const NoDerive); - -const WRAP_UNSAFE_EMBEDDED: WrapEmbedded = WrapEmbedded(std::ptr::null()); - -fn main() { - match WRAP_UNSAFE_EMBEDDED { - WRAP_UNSAFE_EMBEDDED => { println!("WRAP_UNSAFE_EMBEDDED correctly matched itself"); } - _ => { panic!("WRAP_UNSAFE_EMBEDDED did not match itself"); } - } -} diff --git a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/allow-hide-behind-direct-unsafe-ptr-param.rs b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/allow-hide-behind-direct-unsafe-ptr-param.rs deleted file mode 100644 index cd513d2aff4d..000000000000 --- a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/allow-hide-behind-direct-unsafe-ptr-param.rs +++ /dev/null @@ -1,26 +0,0 @@ -// Test explores how `#[structral_match]` behaves in tandem with -// `*const` and `*mut` pointers. - -//@ run-pass - -#![warn(pointer_structural_match)] - -struct NoDerive(#[allow(dead_code)] i32); - -// This impl makes NoDerive irreflexive -// (which doesn't matter here because `<*const T>::eq` won't recur on `T`). -impl PartialEq for NoDerive { fn eq(&self, _: &Self) -> bool { false } } - -impl Eq for NoDerive { } - -#[derive(PartialEq, Eq)] -struct WrapParam(*const X); - -const WRAP_UNSAFE_PARAM: WrapParam = WrapParam(std::ptr::null()); - -fn main() { - match WRAP_UNSAFE_PARAM { - WRAP_UNSAFE_PARAM => { println!("WRAP_UNSAFE_PARAM correctly matched itself"); } - _ => { panic!("WRAP_UNSAFE_PARAM did not match itself"); } - } -} diff --git a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/allow-hide-behind-indirect-unsafe-ptr-embedded.rs b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/allow-hide-behind-indirect-unsafe-ptr-embedded.rs deleted file mode 100644 index 9595d00876bc..000000000000 --- a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/allow-hide-behind-indirect-unsafe-ptr-embedded.rs +++ /dev/null @@ -1,26 +0,0 @@ -// Test explores how `#[structral_match]` behaves in tandem with -// `*const` and `*mut` pointers. - -//@ run-pass - -#![warn(pointer_structural_match)] - -struct NoDerive(#[allow(dead_code)] i32); - -// This impl makes NoDerive irreflexive -// (which doesn't matter here because `<*const T>::eq` won't recur on `T`). -impl PartialEq for NoDerive { fn eq(&self, _: &Self) -> bool { false } } - -impl Eq for NoDerive { } - -#[derive(PartialEq, Eq)] -struct WrapEmbedded(*const NoDerive); - -const WRAP_UNSAFE_EMBEDDED: & &WrapEmbedded = & &WrapEmbedded(std::ptr::null()); - -fn main() { - match WRAP_UNSAFE_EMBEDDED { - WRAP_UNSAFE_EMBEDDED => { println!("WRAP_UNSAFE_EMBEDDED correctly matched itself"); } - _ => { panic!("WRAP_UNSAFE_EMBEDDED did not match itself"); } - } -} diff --git a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/allow-hide-behind-indirect-unsafe-ptr-param.rs b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/allow-hide-behind-indirect-unsafe-ptr-param.rs deleted file mode 100644 index 9dce827a57cb..000000000000 --- a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/allow-hide-behind-indirect-unsafe-ptr-param.rs +++ /dev/null @@ -1,26 +0,0 @@ -// Test explores how `#[structral_match]` behaves in tandem with -// `*const` and `*mut` pointers. - -//@ run-pass - -#![warn(pointer_structural_match)] - -struct NoDerive(#[allow(dead_code)] i32); - -// This impl makes NoDerive irreflexive -// (which doesn't matter here because `<*const T>::eq` won't recur on `T`). -impl PartialEq for NoDerive { fn eq(&self, _: &Self) -> bool { false } } - -impl Eq for NoDerive { } - -#[derive(PartialEq, Eq)] -struct WrapParam(*const X); - -const WRAP_UNSAFE_PARAM: & &WrapParam = & &WrapParam(std::ptr::null()); - -fn main() { - match WRAP_UNSAFE_PARAM { - WRAP_UNSAFE_PARAM => { println!("WRAP_UNSAFE_PARAM correctly matched itself"); } - _ => { panic!("WRAP_UNSAFE_PARAM did not match itself"); } - } -} diff --git a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/fn-ptr-is-structurally-matchable.rs b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/fn-ptr-is-not-structurally-matchable.rs similarity index 76% rename from tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/fn-ptr-is-structurally-matchable.rs rename to tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/fn-ptr-is-not-structurally-matchable.rs index 25434e0050f0..d572d12c5b1c 100644 --- a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/fn-ptr-is-structurally-matchable.rs +++ b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/fn-ptr-is-not-structurally-matchable.rs @@ -1,7 +1,5 @@ -//@ run-pass - -// This file checks that fn ptrs are considered structurally matchable. -// See also rust-lang/rust#63479. +// This file checks that fn ptrs are *not* considered structurally matchable. +// See also rust-lang/rust#63479 and RFC 3535. fn main() { let mut count = 0; @@ -40,8 +38,7 @@ fn main() { const CFN1: Wrap = Wrap(trivial); let input: Wrap = Wrap(trivial); match Wrap(input) { - Wrap(CFN1) => count += 1, //~WARN behave unpredictably - //~| previously accepted + Wrap(CFN1) => count += 1, //~ERROR behave unpredictably Wrap(_) => {} }; @@ -49,8 +46,7 @@ fn main() { const CFN2: Wrap = Wrap(sm_to); let input: Wrap = Wrap(sm_to); match Wrap(input) { - Wrap(CFN2) => count += 1, //~WARN behave unpredictably - //~| previously accepted + Wrap(CFN2) => count += 1, //~ERROR behave unpredictably Wrap(_) => {} }; @@ -58,8 +54,7 @@ fn main() { const CFN3: Wrap SM> = Wrap(to_sm); let input: Wrap SM> = Wrap(to_sm); match Wrap(input) { - Wrap(CFN3) => count += 1, //~WARN behave unpredictably - //~| previously accepted + Wrap(CFN3) => count += 1, //~ERROR behave unpredictably Wrap(_) => {} }; @@ -67,8 +62,7 @@ fn main() { const CFN4: Wrap = Wrap(not_sm_to); let input: Wrap = Wrap(not_sm_to); match Wrap(input) { - Wrap(CFN4) => count += 1, //~WARN behave unpredictably - //~| previously accepted + Wrap(CFN4) => count += 1, //~ERROR behave unpredictably Wrap(_) => {} }; @@ -76,8 +70,7 @@ fn main() { const CFN5: Wrap NotSM> = Wrap(to_not_sm); let input: Wrap NotSM> = Wrap(to_not_sm); match Wrap(input) { - Wrap(CFN5) => count += 1, //~WARN behave unpredictably - //~| previously accepted + Wrap(CFN5) => count += 1, //~ERROR behave unpredictably Wrap(_) => {} }; @@ -85,8 +78,7 @@ fn main() { const CFN6: Wrap = Wrap(r_sm_to); let input: Wrap = Wrap(r_sm_to); match Wrap(input) { - Wrap(CFN6) => count += 1, //~WARN behave unpredictably - //~| previously accepted + Wrap(CFN6) => count += 1, //~ERROR behave unpredictably Wrap(_) => {} }; @@ -94,8 +86,7 @@ fn main() { const CFN7: Wrap &SM> = Wrap(r_to_r_sm); let input: Wrap &SM> = Wrap(r_to_r_sm); match Wrap(input) { - Wrap(CFN7) => count += 1, //~WARN behave unpredictably - //~| previously accepted + Wrap(CFN7) => count += 1, //~ERROR behave unpredictably Wrap(_) => {} }; @@ -103,8 +94,7 @@ fn main() { const CFN8: Wrap = Wrap(r_not_sm_to); let input: Wrap = Wrap(r_not_sm_to); match Wrap(input) { - Wrap(CFN8) => count += 1, //~WARN behave unpredictably - //~| previously accepted + Wrap(CFN8) => count += 1, //~ERROR behave unpredictably Wrap(_) => {} }; @@ -112,8 +102,7 @@ fn main() { const CFN9: Wrap &NotSM> = Wrap(r_to_r_not_sm); let input: Wrap &NotSM> = Wrap(r_to_r_not_sm); match Wrap(input) { - Wrap(CFN9) => count += 1, //~WARN behave unpredictably - //~| previously accepted + Wrap(CFN9) => count += 1, //~ERROR behave unpredictably Wrap(_) => {} }; @@ -135,8 +124,7 @@ fn main() { let input = Foo { alpha: not_sm_to, beta: to_not_sm, gamma: sm_to, delta: to_sm }; match input { - CFOO => count += 1, //~WARN behave unpredictably - //~| previously accepted + CFOO => count += 1, //~ERROR behave unpredictably Foo { .. } => {} }; diff --git a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/fn-ptr-is-not-structurally-matchable.stderr b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/fn-ptr-is-not-structurally-matchable.stderr new file mode 100644 index 000000000000..0bc1e7fc89b5 --- /dev/null +++ b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/fn-ptr-is-not-structurally-matchable.stderr @@ -0,0 +1,62 @@ +error: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. + --> $DIR/fn-ptr-is-not-structurally-matchable.rs:41:14 + | +LL | Wrap(CFN1) => count += 1, + | ^^^^ + +error: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. + --> $DIR/fn-ptr-is-not-structurally-matchable.rs:49:14 + | +LL | Wrap(CFN2) => count += 1, + | ^^^^ + +error: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. + --> $DIR/fn-ptr-is-not-structurally-matchable.rs:57:14 + | +LL | Wrap(CFN3) => count += 1, + | ^^^^ + +error: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. + --> $DIR/fn-ptr-is-not-structurally-matchable.rs:65:14 + | +LL | Wrap(CFN4) => count += 1, + | ^^^^ + +error: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. + --> $DIR/fn-ptr-is-not-structurally-matchable.rs:73:14 + | +LL | Wrap(CFN5) => count += 1, + | ^^^^ + +error: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. + --> $DIR/fn-ptr-is-not-structurally-matchable.rs:81:14 + | +LL | Wrap(CFN6) => count += 1, + | ^^^^ + +error: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. + --> $DIR/fn-ptr-is-not-structurally-matchable.rs:89:14 + | +LL | Wrap(CFN7) => count += 1, + | ^^^^ + +error: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. + --> $DIR/fn-ptr-is-not-structurally-matchable.rs:97:14 + | +LL | Wrap(CFN8) => count += 1, + | ^^^^ + +error: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. + --> $DIR/fn-ptr-is-not-structurally-matchable.rs:105:14 + | +LL | Wrap(CFN9) => count += 1, + | ^^^^ + +error: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. + --> $DIR/fn-ptr-is-not-structurally-matchable.rs:127:9 + | +LL | CFOO => count += 1, + | ^^^^ + +error: aborting due to 10 previous errors + diff --git a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/fn-ptr-is-structurally-matchable.stderr b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/fn-ptr-is-structurally-matchable.stderr deleted file mode 100644 index 11163ba70ec6..000000000000 --- a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/fn-ptr-is-structurally-matchable.stderr +++ /dev/null @@ -1,203 +0,0 @@ -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/fn-ptr-is-structurally-matchable.rs:43:14 - | -LL | Wrap(CFN1) => count += 1, - | ^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - = note: `#[warn(pointer_structural_match)]` on by default - -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/fn-ptr-is-structurally-matchable.rs:52:14 - | -LL | Wrap(CFN2) => count += 1, - | ^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/fn-ptr-is-structurally-matchable.rs:61:14 - | -LL | Wrap(CFN3) => count += 1, - | ^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/fn-ptr-is-structurally-matchable.rs:70:14 - | -LL | Wrap(CFN4) => count += 1, - | ^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/fn-ptr-is-structurally-matchable.rs:79:14 - | -LL | Wrap(CFN5) => count += 1, - | ^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/fn-ptr-is-structurally-matchable.rs:88:14 - | -LL | Wrap(CFN6) => count += 1, - | ^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/fn-ptr-is-structurally-matchable.rs:97:14 - | -LL | Wrap(CFN7) => count += 1, - | ^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/fn-ptr-is-structurally-matchable.rs:106:14 - | -LL | Wrap(CFN8) => count += 1, - | ^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/fn-ptr-is-structurally-matchable.rs:115:14 - | -LL | Wrap(CFN9) => count += 1, - | ^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/fn-ptr-is-structurally-matchable.rs:138:9 - | -LL | CFOO => count += 1, - | ^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - -warning: 10 warnings emitted - -Future incompatibility report: Future breakage diagnostic: -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/fn-ptr-is-structurally-matchable.rs:43:14 - | -LL | Wrap(CFN1) => count += 1, - | ^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - = note: `#[warn(pointer_structural_match)]` on by default - -Future breakage diagnostic: -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/fn-ptr-is-structurally-matchable.rs:52:14 - | -LL | Wrap(CFN2) => count += 1, - | ^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - = note: `#[warn(pointer_structural_match)]` on by default - -Future breakage diagnostic: -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/fn-ptr-is-structurally-matchable.rs:61:14 - | -LL | Wrap(CFN3) => count += 1, - | ^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - = note: `#[warn(pointer_structural_match)]` on by default - -Future breakage diagnostic: -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/fn-ptr-is-structurally-matchable.rs:70:14 - | -LL | Wrap(CFN4) => count += 1, - | ^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - = note: `#[warn(pointer_structural_match)]` on by default - -Future breakage diagnostic: -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/fn-ptr-is-structurally-matchable.rs:79:14 - | -LL | Wrap(CFN5) => count += 1, - | ^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - = note: `#[warn(pointer_structural_match)]` on by default - -Future breakage diagnostic: -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/fn-ptr-is-structurally-matchable.rs:88:14 - | -LL | Wrap(CFN6) => count += 1, - | ^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - = note: `#[warn(pointer_structural_match)]` on by default - -Future breakage diagnostic: -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/fn-ptr-is-structurally-matchable.rs:97:14 - | -LL | Wrap(CFN7) => count += 1, - | ^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - = note: `#[warn(pointer_structural_match)]` on by default - -Future breakage diagnostic: -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/fn-ptr-is-structurally-matchable.rs:106:14 - | -LL | Wrap(CFN8) => count += 1, - | ^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - = note: `#[warn(pointer_structural_match)]` on by default - -Future breakage diagnostic: -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/fn-ptr-is-structurally-matchable.rs:115:14 - | -LL | Wrap(CFN9) => count += 1, - | ^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - = note: `#[warn(pointer_structural_match)]` on by default - -Future breakage diagnostic: -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/fn-ptr-is-structurally-matchable.rs:138:9 - | -LL | CFOO => count += 1, - | ^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 - = note: `#[warn(pointer_structural_match)]` on by default - diff --git a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/issue-63479-match-fnptr.rs b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/issue-63479-match-fnptr.rs index 634aaf8115f2..9ceb72b68721 100644 --- a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/issue-63479-match-fnptr.rs +++ b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/issue-63479-match-fnptr.rs @@ -1,12 +1,8 @@ -//@ run-pass - // The actual regression test from #63479. (Including this because my // first draft at fn-ptr-is-structurally-matchable.rs failed to actually // cover the case this hit; I've since expanded it accordingly, but the // experience left me wary of leaving this regression test out.) -#![warn(pointer_structural_match)] - #[derive(Eq)] struct A { a: i64 @@ -34,14 +30,12 @@ fn main() { let s = B(my_fn); match s { B(TEST) => println!("matched"), - //~^ WARN behave unpredictably - //~| WARN this was previously accepted by the compiler but is being phased out + //~^ ERROR behave unpredictably _ => panic!("didn't match") }; match (s.0, 0) { TEST2 => println!("matched"), - //~^ WARN behave unpredictably - //~| WARN this was previously accepted by the compiler but is being phased out + //~^ ERROR behave unpredictably _ => panic!("didn't match") } } diff --git a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/issue-63479-match-fnptr.stderr b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/issue-63479-match-fnptr.stderr index 0edcf44c4d79..7b1832ed0fa5 100644 --- a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/issue-63479-match-fnptr.stderr +++ b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/issue-63479-match-fnptr.stderr @@ -1,55 +1,14 @@ -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/issue-63479-match-fnptr.rs:36:7 +error: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. + --> $DIR/issue-63479-match-fnptr.rs:32:7 | LL | B(TEST) => println!("matched"), | ^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 -note: the lint level is defined here - --> $DIR/issue-63479-match-fnptr.rs:8:9 - | -LL | #![warn(pointer_structural_match)] - | ^^^^^^^^^^^^^^^^^^^^^^^^ -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/issue-63479-match-fnptr.rs:42:5 +error: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. + --> $DIR/issue-63479-match-fnptr.rs:37:5 | LL | TEST2 => println!("matched"), | ^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 -warning: 2 warnings emitted - -Future incompatibility report: Future breakage diagnostic: -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/issue-63479-match-fnptr.rs:36:7 - | -LL | B(TEST) => println!("matched"), - | ^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 -note: the lint level is defined here - --> $DIR/issue-63479-match-fnptr.rs:8:9 - | -LL | #![warn(pointer_structural_match)] - | ^^^^^^^^^^^^^^^^^^^^^^^^ - -Future breakage diagnostic: -warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details. - --> $DIR/issue-63479-match-fnptr.rs:42:5 - | -LL | TEST2 => println!("matched"), - | ^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #120362 -note: the lint level is defined here - --> $DIR/issue-63479-match-fnptr.rs:8:9 - | -LL | #![warn(pointer_structural_match)] - | ^^^^^^^^^^^^^^^^^^^^^^^^ +error: aborting due to 2 previous errors From 1f1653c3283deca450ee84a01562ef9a914e4478 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=D0=90=D1=80=D1=82=D1=91=D0=BC=20=D0=9F=D0=B0=D0=B2=D0=BB?= =?UTF-8?q?=D0=BE=D0=B2=20=5BArtyom=20Pavlov=5D?= Date: Fri, 3 May 2024 17:31:55 +0300 Subject: [PATCH 0052/1716] Stabilize `div_duration` --- library/core/src/time.rs | 6 ++---- library/core/tests/lib.rs | 1 - 2 files changed, 2 insertions(+), 5 deletions(-) diff --git a/library/core/src/time.rs b/library/core/src/time.rs index 78494b866b10..e2cf0cb62159 100644 --- a/library/core/src/time.rs +++ b/library/core/src/time.rs @@ -1062,14 +1062,13 @@ impl Duration { /// /// # Examples /// ``` - /// #![feature(div_duration)] /// use std::time::Duration; /// /// let dur1 = Duration::new(2, 700_000_000); /// let dur2 = Duration::new(5, 400_000_000); /// assert_eq!(dur1.div_duration_f64(dur2), 0.5); /// ``` - #[unstable(feature = "div_duration", issue = "63139")] + #[stable(feature = "div_duration", since = "1.80.0")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -1082,14 +1081,13 @@ impl Duration { /// /// # Examples /// ``` - /// #![feature(div_duration)] /// use std::time::Duration; /// /// let dur1 = Duration::new(2, 700_000_000); /// let dur2 = Duration::new(5, 400_000_000); /// assert_eq!(dur1.div_duration_f32(dur2), 0.5); /// ``` - #[unstable(feature = "div_duration", issue = "63139")] + #[stable(feature = "div_duration", since = "1.80.0")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] diff --git a/library/core/tests/lib.rs b/library/core/tests/lib.rs index 797108a8425d..b7fcf6bbf4b4 100644 --- a/library/core/tests/lib.rs +++ b/library/core/tests/lib.rs @@ -29,7 +29,6 @@ #![feature(core_private_bignum)] #![feature(core_private_diy_float)] #![feature(dec2flt)] -#![feature(div_duration)] #![feature(duration_abs_diff)] #![feature(duration_consts_float)] #![feature(duration_constants)] From 6d223bb6a1f54eacd57e14d5fc323f97f12e5005 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=D0=90=D1=80=D1=82=D1=91=D0=BC=20=D0=9F=D0=B0=D0=B2=D0=BB?= =?UTF-8?q?=D0=BE=D0=B2=20=5BArtyom=20Pavlov=5D?= Date: Fri, 3 May 2024 17:42:34 +0300 Subject: [PATCH 0053/1716] Use `CURRENT_RUSTC_VERSION` --- library/core/src/time.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/library/core/src/time.rs b/library/core/src/time.rs index e2cf0cb62159..a4de3d099b3e 100644 --- a/library/core/src/time.rs +++ b/library/core/src/time.rs @@ -1068,7 +1068,7 @@ impl Duration { /// let dur2 = Duration::new(5, 400_000_000); /// assert_eq!(dur1.div_duration_f64(dur2), 0.5); /// ``` - #[stable(feature = "div_duration", since = "1.80.0")] + #[stable(feature = "div_duration", since = "CURRENT_RUSTC_VERSION")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -1087,7 +1087,7 @@ impl Duration { /// let dur2 = Duration::new(5, 400_000_000); /// assert_eq!(dur1.div_duration_f32(dur2), 0.5); /// ``` - #[stable(feature = "div_duration", since = "1.80.0")] + #[stable(feature = "div_duration", since = "CURRENT_RUSTC_VERSION")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] From ad7c2b06609c0da21ebdab6e45135cf07290f585 Mon Sep 17 00:00:00 2001 From: Oliver Killane Date: Sun, 5 May 2024 13:54:33 +0100 Subject: [PATCH 0054/1716] Updated error code explanation --- .../src/error_codes/E0582.md | 34 +++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/compiler/rustc_error_codes/src/error_codes/E0582.md b/compiler/rustc_error_codes/src/error_codes/E0582.md index e50cc60ea330..ea32e4f9f33f 100644 --- a/compiler/rustc_error_codes/src/error_codes/E0582.md +++ b/compiler/rustc_error_codes/src/error_codes/E0582.md @@ -27,6 +27,40 @@ fn bar(t: F, u: G) fn main() { } ``` +This error also includes the use of associated types with lifetime parameters. +```compile_fail,E0582 +trait Foo { + type Assoc<'a>; +} + +struct Bar +where + X: Foo, + F: for<'a> Fn(X::Assoc<'a>) -> &'a i32 +{ + x: X, + f: F +} +``` +This is as `Foo::Assoc<'a>` could be implemented by a type that does not use +the `'a` parameter, so there is no guarentee that `X::Assoc<'a>` actually uses +`'a`. + +To fix this we can pass a dummy parameter: +``` +# trait Foo { +# type Assoc<'a>; +# } +struct Bar +where + X: Foo, + F: for<'a> Fn(X::Assoc<'a>, /* dummy */ &'a ()) -> &'a i32 +{ + x: X, + f: F +} +``` + Note: The examples above used to be (erroneously) accepted by the compiler, but this was since corrected. See [issue #33685] for more details. From f3dcf65985dd956595a3f14dcb2a3052daceeb73 Mon Sep 17 00:00:00 2001 From: Oliver Killane Date: Sun, 5 May 2024 14:55:16 +0100 Subject: [PATCH 0055/1716] fix whitespace --- compiler/rustc_error_codes/src/error_codes/E0582.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/compiler/rustc_error_codes/src/error_codes/E0582.md b/compiler/rustc_error_codes/src/error_codes/E0582.md index ea32e4f9f33f..31927cd5fe34 100644 --- a/compiler/rustc_error_codes/src/error_codes/E0582.md +++ b/compiler/rustc_error_codes/src/error_codes/E0582.md @@ -42,8 +42,8 @@ where f: F } ``` -This is as `Foo::Assoc<'a>` could be implemented by a type that does not use -the `'a` parameter, so there is no guarentee that `X::Assoc<'a>` actually uses +This is as `Foo::Assoc<'a>` could be implemented by a type that does not use +the `'a` parameter, so there is no guarentee that `X::Assoc<'a>` actually uses `'a`. To fix this we can pass a dummy parameter: From 79a14dea86fe8e8f5588fb2a32f5b73f065529a3 Mon Sep 17 00:00:00 2001 From: Michael Baikov Date: Tue, 23 Apr 2024 09:32:35 -0400 Subject: [PATCH 0056/1716] less aggressive needless_borrows_for_generic_args Current implementation looks for significant drops, that can change the behavior, but that's not enough - value might not have a Drop itself but one of its children might have it. A good example is passing a reference to `PathBuf` to `std::fs::File::open`. There's no benefits to pass `PathBuf` by value, but since clippy can't see `Drop` on `Vec` several layers down it complains forcing pass by value and making it impossible to use the same name later. New implementation only looks at copy values or values created inplace so existing variable will never be moved but things that take a string reference created and value is created inplace `&"".to_owned()` will make it to suggest to use `"".to_owned()` still. Fixes https://github.com/rust-lang/rust-clippy/issues/12454 --- .../src/needless_borrows_for_generic_args.rs | 45 +++---------------- .../needless_borrows_for_generic_args.fixed | 42 +++++++++++++++-- tests/ui/needless_borrows_for_generic_args.rs | 36 ++++++++++++++- .../needless_borrows_for_generic_args.stderr | 32 ++++++------- 4 files changed, 91 insertions(+), 64 deletions(-) diff --git a/clippy_lints/src/needless_borrows_for_generic_args.rs b/clippy_lints/src/needless_borrows_for_generic_args.rs index a24cd4f9c8a3..5219e39a2ca8 100644 --- a/clippy_lints/src/needless_borrows_for_generic_args.rs +++ b/clippy_lints/src/needless_borrows_for_generic_args.rs @@ -1,6 +1,6 @@ use clippy_config::msrvs::{self, Msrv}; use clippy_utils::diagnostics::span_lint_and_then; -use clippy_utils::mir::{enclosing_mir, expr_local, local_assignments, used_exactly_once, PossibleBorrowerMap}; +use clippy_utils::mir::PossibleBorrowerMap; use clippy_utils::source::snippet_with_context; use clippy_utils::ty::{implements_trait, is_copy}; use clippy_utils::{expr_use_ctxt, peel_n_hir_expr_refs, DefinedTy, ExprUseNode}; @@ -11,7 +11,6 @@ use rustc_hir::{Body, Expr, ExprKind, Mutability, Path, QPath}; use rustc_index::bit_set::BitSet; use rustc_infer::infer::TyCtxtInferExt; use rustc_lint::{LateContext, LateLintPass}; -use rustc_middle::mir::{Rvalue, StatementKind}; use rustc_middle::ty::{ self, ClauseKind, EarlyBinder, FnSig, GenericArg, GenericArgKind, List, ParamTy, ProjectionPredicate, Ty, }; @@ -106,7 +105,6 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessBorrowsForGenericArgs<'tcx> { } && let count = needless_borrow_count( cx, - &mut self.possible_borrowers, fn_id, cx.typeck_results().node_args(hir_id), i, @@ -155,11 +153,9 @@ fn path_has_args(p: &QPath<'_>) -> bool { /// The following constraints will be checked: /// * The borrowed expression meets all the generic type's constraints. /// * The generic type appears only once in the functions signature. -/// * The borrowed value will not be moved if it is used later in the function. -#[expect(clippy::too_many_arguments)] +/// * The borrowed value is Copy itself OR not a variable (created by a function call) fn needless_borrow_count<'tcx>( cx: &LateContext<'tcx>, - possible_borrowers: &mut Vec<(LocalDefId, PossibleBorrowerMap<'tcx, 'tcx>)>, fn_id: DefId, callee_args: &'tcx List>, arg_index: usize, @@ -234,9 +230,9 @@ fn needless_borrow_count<'tcx>( let referent_ty = cx.typeck_results().expr_ty(referent); - if !is_copy(cx, referent_ty) - && (referent_ty.has_significant_drop(cx.tcx, cx.param_env) - || !referent_used_exactly_once(cx, possible_borrowers, reference)) + if (!is_copy(cx, referent_ty) && !referent_ty.is_ref()) + && let ExprKind::AddrOf(_, _, inner) = reference.kind + && !matches!(inner.kind, ExprKind::Call(..) | ExprKind::MethodCall(..)) { return false; } @@ -339,37 +335,6 @@ fn is_mixed_projection_predicate<'tcx>( } } -fn referent_used_exactly_once<'tcx>( - cx: &LateContext<'tcx>, - possible_borrowers: &mut Vec<(LocalDefId, PossibleBorrowerMap<'tcx, 'tcx>)>, - reference: &Expr<'tcx>, -) -> bool { - if let Some(mir) = enclosing_mir(cx.tcx, reference.hir_id) - && let Some(local) = expr_local(cx.tcx, reference) - && let [location] = *local_assignments(mir, local).as_slice() - && let block_data = &mir.basic_blocks[location.block] - && let Some(statement) = block_data.statements.get(location.statement_index) - && let StatementKind::Assign(box (_, Rvalue::Ref(_, _, place))) = statement.kind - && !place.is_indirect_first_projection() - { - let body_owner_local_def_id = cx.tcx.hir().enclosing_body_owner(reference.hir_id); - if possible_borrowers - .last() - .map_or(true, |&(local_def_id, _)| local_def_id != body_owner_local_def_id) - { - possible_borrowers.push((body_owner_local_def_id, PossibleBorrowerMap::new(cx, mir))); - } - let possible_borrower = &mut possible_borrowers.last_mut().unwrap().1; - // If `only_borrowers` were used here, the `copyable_iterator::warn` test would fail. The reason is - // that `PossibleBorrowerVisitor::visit_terminator` considers `place.local` a possible borrower of - // itself. See the comment in that method for an explanation as to why. - possible_borrower.bounded_borrowers(&[local], &[local, place.local], place.local, location) - && used_exactly_once(mir, place.local).unwrap_or(false) - } else { - false - } -} - // Iteratively replaces `param_ty` with `new_ty` in `args`, and similarly for each resulting // projected type that is a type parameter. Returns `false` if replacing the types would have an // effect on the function signature beyond substituting `new_ty` for `param_ty`. diff --git a/tests/ui/needless_borrows_for_generic_args.fixed b/tests/ui/needless_borrows_for_generic_args.fixed index bd7a9a0b9840..5478372cbe00 100644 --- a/tests/ui/needless_borrows_for_generic_args.fixed +++ b/tests/ui/needless_borrows_for_generic_args.fixed @@ -141,8 +141,8 @@ fn main() { let f = |arg| { let loc = "loc".to_owned(); let _ = std::fs::write("x", &env); // Don't lint. In environment - let _ = std::fs::write("x", arg); - let _ = std::fs::write("x", loc); + let _ = std::fs::write("x", &arg); + let _ = std::fs::write("x", &loc); }; let _ = std::fs::write("x", &env); // Don't lint. Borrowed by `f` f(arg); @@ -158,13 +158,13 @@ fn main() { fn f(_: impl Debug) {} let x = X; - f(&x); // Don't lint. Has significant drop + f(&x); // Don't lint, not copy, passed by a reference to a variable } { fn f(_: impl AsRef) {} let x = String::new(); - f(x); + f(&x); } { fn f(_: impl AsRef) {} @@ -299,4 +299,38 @@ fn main() { check_str(&owner.0); // Don't lint. `owner` can't be partially moved because it impl Drop } } + { + #[derive(Debug)] + struct X(Vec); + + fn f(_: impl Debug) {} + + let x = X(vec![]); + f(&x); // Don't lint, makes x unavailable later + } + { + #[derive(Debug)] + struct X; + + impl Drop for X { + fn drop(&mut self) {} + } + + fn f(_: impl Debug) {} + + #[derive(Debug)] + struct Y(X); + + let y = Y(X); + f(&y); // Don't lint. Not copy, passed by a reference to value + } + { + fn f(_: impl AsRef) {} + let x = String::new(); + f(&x); // Don't lint, not a copy, makes it unavailable later + f(String::new()); // Lint, makes no difference + let y = "".to_owned(); + f(&y); // Don't lint + f("".to_owned()); // Lint + } } diff --git a/tests/ui/needless_borrows_for_generic_args.rs b/tests/ui/needless_borrows_for_generic_args.rs index 5cfd4ce30cc5..2643815d939b 100644 --- a/tests/ui/needless_borrows_for_generic_args.rs +++ b/tests/ui/needless_borrows_for_generic_args.rs @@ -158,7 +158,7 @@ fn main() { fn f(_: impl Debug) {} let x = X; - f(&x); // Don't lint. Has significant drop + f(&x); // Don't lint, not copy, passed by a reference to a variable } { fn f(_: impl AsRef) {} @@ -299,4 +299,38 @@ fn main() { check_str(&owner.0); // Don't lint. `owner` can't be partially moved because it impl Drop } } + { + #[derive(Debug)] + struct X(Vec); + + fn f(_: impl Debug) {} + + let x = X(vec![]); + f(&x); // Don't lint, makes x unavailable later + } + { + #[derive(Debug)] + struct X; + + impl Drop for X { + fn drop(&mut self) {} + } + + fn f(_: impl Debug) {} + + #[derive(Debug)] + struct Y(X); + + let y = Y(X); + f(&y); // Don't lint. Not copy, passed by a reference to value + } + { + fn f(_: impl AsRef) {} + let x = String::new(); + f(&x); // Don't lint, not a copy, makes it unavailable later + f(&String::new()); // Lint, makes no difference + let y = "".to_owned(); + f(&y); // Don't lint + f(&"".to_owned()); // Lint + } } diff --git a/tests/ui/needless_borrows_for_generic_args.stderr b/tests/ui/needless_borrows_for_generic_args.stderr index 83c076f8d863..fba0755d14b5 100644 --- a/tests/ui/needless_borrows_for_generic_args.stderr +++ b/tests/ui/needless_borrows_for_generic_args.stderr @@ -49,29 +49,23 @@ error: the borrowed expression implements the required traits LL | let _ = Command::new("ls").args(&["-a", "-l"]).status().unwrap(); | ^^^^^^^^^^^^^ help: change this to: `["-a", "-l"]` -error: the borrowed expression implements the required traits - --> tests/ui/needless_borrows_for_generic_args.rs:144:41 - | -LL | let _ = std::fs::write("x", &arg); - | ^^^^ help: change this to: `arg` - -error: the borrowed expression implements the required traits - --> tests/ui/needless_borrows_for_generic_args.rs:145:41 - | -LL | let _ = std::fs::write("x", &loc); - | ^^^^ help: change this to: `loc` - -error: the borrowed expression implements the required traits - --> tests/ui/needless_borrows_for_generic_args.rs:167:11 - | -LL | f(&x); - | ^^ help: change this to: `x` - error: the borrowed expression implements the required traits --> tests/ui/needless_borrows_for_generic_args.rs:247:13 | LL | foo(&a); | ^^ help: change this to: `a` -error: aborting due to 12 previous errors +error: the borrowed expression implements the required traits + --> tests/ui/needless_borrows_for_generic_args.rs:331:11 + | +LL | f(&String::new()); // Lint, makes no difference + | ^^^^^^^^^^^^^^ help: change this to: `String::new()` + +error: the borrowed expression implements the required traits + --> tests/ui/needless_borrows_for_generic_args.rs:334:11 + | +LL | f(&"".to_owned()); // Lint + | ^^^^^^^^^^^^^^ help: change this to: `"".to_owned()` + +error: aborting due to 11 previous errors From a78a15c5d399a813f84a04843164711a743c2692 Mon Sep 17 00:00:00 2001 From: Ruihan Li Date: Fri, 26 Apr 2024 21:40:01 +0800 Subject: [PATCH 0057/1716] Avoid unnecessary arguments --- .../matches/significant_drop_in_scrutinee.rs | 42 +++++++++---------- 1 file changed, 21 insertions(+), 21 deletions(-) diff --git a/clippy_lints/src/matches/significant_drop_in_scrutinee.rs b/clippy_lints/src/matches/significant_drop_in_scrutinee.rs index 6b6ded1a337d..13c0b6e742de 100644 --- a/clippy_lints/src/matches/significant_drop_in_scrutinee.rs +++ b/clippy_lints/src/matches/significant_drop_in_scrutinee.rs @@ -115,18 +115,25 @@ impl<'a, 'tcx> SigDropChecker<'a, 'tcx> { } } - fn get_type(&self, ex: &'tcx Expr<'_>) -> Ty<'tcx> { - self.cx.typeck_results().expr_ty(ex) + fn is_sig_drop_expr(&mut self, ex: &'tcx Expr<'_>) -> bool { + self.has_sig_drop_attr(self.cx.typeck_results().expr_ty(ex)) } - fn has_sig_drop_attr(&mut self, cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool { + fn has_sig_drop_attr(&mut self, ty: Ty<'tcx>) -> bool { self.seen_types.clear(); - self.has_sig_drop_attr_impl(cx, ty) + self.has_sig_drop_attr_impl(ty) } - fn has_sig_drop_attr_impl(&mut self, cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool { + fn has_sig_drop_attr_impl(&mut self, ty: Ty<'tcx>) -> bool { if let Some(adt) = ty.ty_adt_def() { - if get_attr(cx.sess(), cx.tcx.get_attrs_unchecked(adt.did()), "has_significant_drop").count() > 0 { + if get_attr( + self.cx.sess(), + self.cx.tcx.get_attrs_unchecked(adt.did()), + "has_significant_drop", + ) + .count() + > 0 + { return true; } } @@ -139,8 +146,8 @@ impl<'a, 'tcx> SigDropChecker<'a, 'tcx> { rustc_middle::ty::Adt(adt, args) => { // if some field has significant drop, adt.all_fields() - .map(|field| field.ty(cx.tcx, args)) - .any(|ty| self.has_sig_drop_attr(cx, ty)) + .map(|field| field.ty(self.cx.tcx, args)) + .any(|ty| self.has_sig_drop_attr_impl(ty)) // or if there is no generic lifetime and.. // (to avoid false positive on `Ref<'a, MutexGuard>`) || (args @@ -154,10 +161,10 @@ impl<'a, 'tcx> SigDropChecker<'a, 'tcx> { GenericArgKind::Type(ty) => Some(ty), _ => None, }) - .any(|ty| self.has_sig_drop_attr(cx, ty))) + .any(|ty| self.has_sig_drop_attr_impl(ty))) }, - rustc_middle::ty::Tuple(tys) => tys.iter().any(|ty| self.has_sig_drop_attr(cx, ty)), - rustc_middle::ty::Array(ty, _) | rustc_middle::ty::Slice(ty) => self.has_sig_drop_attr(cx, *ty), + rustc_middle::ty::Tuple(tys) => tys.iter().any(|ty| self.has_sig_drop_attr_impl(ty)), + rustc_middle::ty::Array(ty, _) | rustc_middle::ty::Slice(ty) => self.has_sig_drop_attr_impl(*ty), _ => false, }; @@ -240,7 +247,7 @@ impl<'a, 'tcx> SigDropHelper<'a, 'tcx> { if self.current_sig_drop.is_some() { return; } - let ty = self.sig_drop_checker.get_type(expr); + let ty = self.cx.typeck_results().expr_ty(expr); if ty.is_ref() { // We checked that the type was ref, so builtin_deref will return Some TypeAndMut, // but let's avoid any chance of an ICE @@ -287,11 +294,7 @@ impl<'a, 'tcx> SigDropHelper<'a, 'tcx> { impl<'a, 'tcx> Visitor<'tcx> for SigDropHelper<'a, 'tcx> { fn visit_expr(&mut self, ex: &'tcx Expr<'_>) { - if !self.is_chain_end - && self - .sig_drop_checker - .has_sig_drop_attr(self.cx, self.sig_drop_checker.get_type(ex)) - { + if !self.is_chain_end && self.sig_drop_checker.is_sig_drop_expr(ex) { self.has_significant_drop = true; return; } @@ -395,10 +398,7 @@ fn has_significant_drop_in_arms<'tcx>(cx: &LateContext<'tcx>, arms: &'tcx [Arm<' impl<'a, 'tcx> Visitor<'tcx> for ArmSigDropHelper<'a, 'tcx> { fn visit_expr(&mut self, ex: &'tcx Expr<'tcx>) { - if self - .sig_drop_checker - .has_sig_drop_attr(self.sig_drop_checker.cx, self.sig_drop_checker.get_type(ex)) - { + if self.sig_drop_checker.is_sig_drop_expr(ex) { self.found_sig_drop_spans.insert(ex.span); return; } From 509ca90bf1201c00ba2a519dc590c83dc73bdb3b Mon Sep 17 00:00:00 2001 From: Ruihan Li Date: Mon, 29 Apr 2024 12:55:12 +0800 Subject: [PATCH 0058/1716] Ignore significant drops of place expressions --- .../matches/significant_drop_in_scrutinee.rs | 2 +- tests/ui/significant_drop_in_scrutinee.rs | 56 +++++++++++++++++++ tests/ui/significant_drop_in_scrutinee.stderr | 18 +++++- 3 files changed, 74 insertions(+), 2 deletions(-) diff --git a/clippy_lints/src/matches/significant_drop_in_scrutinee.rs b/clippy_lints/src/matches/significant_drop_in_scrutinee.rs index 13c0b6e742de..3171acda4423 100644 --- a/clippy_lints/src/matches/significant_drop_in_scrutinee.rs +++ b/clippy_lints/src/matches/significant_drop_in_scrutinee.rs @@ -116,7 +116,7 @@ impl<'a, 'tcx> SigDropChecker<'a, 'tcx> { } fn is_sig_drop_expr(&mut self, ex: &'tcx Expr<'_>) -> bool { - self.has_sig_drop_attr(self.cx.typeck_results().expr_ty(ex)) + !ex.is_syntactic_place_expr() && self.has_sig_drop_attr(self.cx.typeck_results().expr_ty(ex)) } fn has_sig_drop_attr(&mut self, ty: Ty<'tcx>) -> bool { diff --git a/tests/ui/significant_drop_in_scrutinee.rs b/tests/ui/significant_drop_in_scrutinee.rs index 0305d895fc58..7fc89bb95380 100644 --- a/tests/ui/significant_drop_in_scrutinee.rs +++ b/tests/ui/significant_drop_in_scrutinee.rs @@ -675,4 +675,60 @@ fn should_not_trigger_on_significant_iterator_drop() { } } +// https://github.com/rust-lang/rust-clippy/issues/9072 +fn should_not_trigger_lint_if_place_expr_has_significant_drop() { + let x = Mutex::new(vec![1, 2, 3]); + let x_guard = x.lock().unwrap(); + + match x_guard[0] { + 1 => println!("1!"), + x => println!("{x}"), + } + + match x_guard.len() { + 1 => println!("1!"), + x => println!("{x}"), + } +} + +struct Guard<'a, T>(MutexGuard<'a, T>); + +struct Ref<'a, T>(&'a T); + +impl<'a, T> Guard<'a, T> { + fn guard(&self) -> &MutexGuard { + &self.0 + } + + fn guard_ref(&self) -> Ref> { + Ref(&self.0) + } + + fn take(self) -> Box> { + Box::new(self.0) + } +} + +fn should_not_trigger_for_significant_drop_ref() { + let mutex = Mutex::new(vec![1, 2]); + let guard = Guard(mutex.lock().unwrap()); + + match guard.guard().len() { + 0 => println!("empty"), + _ => println!("not empty"), + } + + match guard.guard_ref().0.len() { + 0 => println!("empty"), + _ => println!("not empty"), + } + + match guard.take().len() { + //~^ ERROR: temporary with significant `Drop` in `match` scrutinee will live until the + //~| NOTE: this might lead to deadlocks or other unexpected behavior + 0 => println!("empty"), + _ => println!("not empty"), + }; +} + fn main() {} diff --git a/tests/ui/significant_drop_in_scrutinee.stderr b/tests/ui/significant_drop_in_scrutinee.stderr index 1f19eff06316..811bb0655279 100644 --- a/tests/ui/significant_drop_in_scrutinee.stderr +++ b/tests/ui/significant_drop_in_scrutinee.stderr @@ -505,5 +505,21 @@ LL ~ let value = mutex.lock().unwrap().foo(); LL ~ match value { | -error: aborting due to 26 previous errors +error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression + --> tests/ui/significant_drop_in_scrutinee.rs:726:11 + | +LL | match guard.take().len() { + | ^^^^^^^^^^^^^^^^^^ +... +LL | }; + | - temporary lives until here + | + = note: this might lead to deadlocks or other unexpected behavior +help: try moving the temporary above the match + | +LL ~ let value = guard.take().len(); +LL ~ match value { + | + +error: aborting due to 27 previous errors From 0eb782d3834ed581b45d951749be1ae393aaff31 Mon Sep 17 00:00:00 2001 From: Mads Marquart Date: Sun, 5 May 2024 20:54:37 +0200 Subject: [PATCH 0059/1716] Document all Apple targets in rustc's platform support - Fixed std support in top-level docs. - Added `*-apple-darwin` docs. - Added `i686-apple-darwin` docs. - Moved `aarch64-apple-ios-sim` to `*-apple-ios` and document all the iOS targets there. - Added `*-apple-ios-macabi` docs. - Add myself (madsmtm) as co-maintainer of most of these targets. --- .../rustc_target/src/spec/base/apple/mod.rs | 5 ++ src/doc/rustc/src/SUMMARY.md | 15 ++-- src/doc/rustc/src/platform-support.md | 26 +++--- .../platform-support/aarch64-apple-ios-sim.md | 55 ------------- .../src/platform-support/apple-darwin.md | 59 ++++++++++++++ .../src/platform-support/apple-ios-macabi.md | 58 ++++++++++++++ .../rustc/src/platform-support/apple-ios.md | 74 +++++++++++++++++ .../rustc/src/platform-support/apple-tvos.md | 79 +++++++++---------- .../src/platform-support/apple-visionos.md | 60 ++++++++------ .../src/platform-support/apple-watchos.md | 71 +++++++++-------- .../platform-support/arm64e-apple-darwin.md | 2 + .../src/platform-support/arm64e-apple-ios.md | 3 +- .../src/platform-support/i686-apple-darwin.md | 41 ++++++++++ .../platform-support/x86_64h-apple-darwin.md | 5 +- 14 files changed, 376 insertions(+), 177 deletions(-) delete mode 100644 src/doc/rustc/src/platform-support/aarch64-apple-ios-sim.md create mode 100644 src/doc/rustc/src/platform-support/apple-darwin.md create mode 100644 src/doc/rustc/src/platform-support/apple-ios-macabi.md create mode 100644 src/doc/rustc/src/platform-support/apple-ios.md create mode 100644 src/doc/rustc/src/platform-support/i686-apple-darwin.md diff --git a/compiler/rustc_target/src/spec/base/apple/mod.rs b/compiler/rustc_target/src/spec/base/apple/mod.rs index d667bad44e3b..b12d3f22d8df 100644 --- a/compiler/rustc_target/src/spec/base/apple/mod.rs +++ b/compiler/rustc_target/src/spec/base/apple/mod.rs @@ -271,6 +271,7 @@ fn macos_default_deployment_target(arch: Arch) -> (u32, u32) { fn macos_deployment_target(arch: Arch) -> (u32, u32) { // If you are looking for the default deployment target, prefer `rustc --print deployment-target`. + // Note: If bumping this version, remember to update it in the rustc/platform-support docs. from_set_deployment_target("MACOSX_DEPLOYMENT_TARGET") .unwrap_or_else(|| macos_default_deployment_target(arch)) } @@ -319,6 +320,7 @@ fn link_env_remove(os: &'static str) -> StaticCow<[StaticCow]> { fn ios_deployment_target(arch: Arch, abi: &str) -> (u32, u32) { // If you are looking for the default deployment target, prefer `rustc --print deployment-target`. + // Note: If bumping this version, remember to update it in the rustc/platform-support docs. let (major, minor) = match (arch, abi) { (Arm64e, _) => (14, 0), // Mac Catalyst defaults to 13.1 in Clang. @@ -351,6 +353,7 @@ pub fn ios_sim_llvm_target(arch: Arch) -> String { fn tvos_deployment_target() -> (u32, u32) { // If you are looking for the default deployment target, prefer `rustc --print deployment-target`. + // Note: If bumping this version, remember to update it in the rustc platform-support docs. from_set_deployment_target("TVOS_DEPLOYMENT_TARGET").unwrap_or((10, 0)) } @@ -366,6 +369,7 @@ pub fn tvos_sim_llvm_target(arch: Arch) -> String { fn watchos_deployment_target() -> (u32, u32) { // If you are looking for the default deployment target, prefer `rustc --print deployment-target`. + // Note: If bumping this version, remember to update it in the rustc platform-support docs. from_set_deployment_target("WATCHOS_DEPLOYMENT_TARGET").unwrap_or((5, 0)) } @@ -381,6 +385,7 @@ pub fn watchos_sim_llvm_target(arch: Arch) -> String { fn visionos_deployment_target() -> (u32, u32) { // If you are looking for the default deployment target, prefer `rustc --print deployment-target`. + // Note: If bumping this version, remember to update it in the rustc platform-support docs. from_set_deployment_target("XROS_DEPLOYMENT_TARGET").unwrap_or((1, 0)) } diff --git a/src/doc/rustc/src/SUMMARY.md b/src/doc/rustc/src/SUMMARY.md index c9c0ee4067f1..a309110e875a 100644 --- a/src/doc/rustc/src/SUMMARY.md +++ b/src/doc/rustc/src/SUMMARY.md @@ -16,13 +16,17 @@ - [Platform Support](platform-support.md) - [Target Tier Policy](target-tier-policy.md) - [Template for Target-specific Documentation](platform-support/TEMPLATE.md) - - [arm64e-apple-ios.md](platform-support/arm64e-apple-ios.md) - - [arm64e-apple-darwin.md](platform-support/arm64e-apple-darwin.md) - - [aarch64-apple-ios-sim](platform-support/aarch64-apple-ios-sim.md) - [arm64ec-pc-windows-msvc](platform-support/arm64ec-pc-windows-msvc.md) + - [\*-apple-darwin](platform-support/apple-darwin.md) + - [i686-apple-darwin](platform-support/i686-apple-darwin.md) + - [x86_64h-apple-darwin](platform-support/x86_64h-apple-darwin.md) + - [arm64e-apple-darwin.md](platform-support/arm64e-apple-darwin.md) + - [\*-apple-ios](platform-support/apple-ios.md) + - [\*-apple-ios-macabi](platform-support/apple-ios-macabi.md) + - [arm64e-apple-ios.md](platform-support/arm64e-apple-ios.md) - [\*-apple-tvos](platform-support/apple-tvos.md) - - [\*-apple-watchos\*](platform-support/apple-watchos.md) - - [aarch64-apple-visionos\*](platform-support/apple-visionos.md) + - [\*-apple-watchos](platform-support/apple-watchos.md) + - [\*-apple-visionos](platform-support/apple-visionos.md) - [aarch64-nintendo-switch-freestanding](platform-support/aarch64-nintendo-switch-freestanding.md) - [armeb-unknown-linux-gnueabi](platform-support/armeb-unknown-linux-gnueabi.md) - [arm-none-eabi](platform-support/arm-none-eabi.md) @@ -75,7 +79,6 @@ - [\*-win7-windows-msvc](platform-support/win7-windows-msvc.md) - [x86_64-fortanix-unknown-sgx](platform-support/x86_64-fortanix-unknown-sgx.md) - [x86_64-unknown-none](platform-support/x86_64-unknown-none.md) - - [x86_64h-apple-darwin](platform-support/x86_64h-apple-darwin.md) - [Targets](targets/index.md) - [Built-in Targets](targets/built-in.md) - [Custom Targets](targets/custom.md) diff --git a/src/doc/rustc/src/platform-support.md b/src/doc/rustc/src/platform-support.md index 764798a80e6d..5c8789d03dfa 100644 --- a/src/doc/rustc/src/platform-support.md +++ b/src/doc/rustc/src/platform-support.md @@ -36,7 +36,7 @@ target | notes `i686-pc-windows-gnu` | 32-bit MinGW (Windows 10+) [^x86_32-floats-return-ABI] `i686-pc-windows-msvc` | 32-bit MSVC (Windows 10+) [^x86_32-floats-return-ABI] `i686-unknown-linux-gnu` | 32-bit Linux (kernel 3.2+, glibc 2.17+) [^x86_32-floats-return-ABI] -`x86_64-apple-darwin` | 64-bit macOS (10.12+, Sierra+) +[`x86_64-apple-darwin`](platform-support/apple-darwin.md) | 64-bit macOS (10.12+, Sierra+) `x86_64-pc-windows-gnu` | 64-bit MinGW (Windows 10+) `x86_64-pc-windows-msvc` | 64-bit MSVC (Windows 10+) `x86_64-unknown-linux-gnu` | 64-bit Linux (kernel 3.2+, glibc 2.17+) @@ -86,7 +86,7 @@ so Rustup may install the documentation for a similar tier 1 target instead. target | notes -------|------- -`aarch64-apple-darwin` | ARM64 macOS (11.0+, Big Sur+) +[`aarch64-apple-darwin`](platform-support/apple-darwin.md) | ARM64 macOS (11.0+, Big Sur+) `aarch64-pc-windows-msvc` | ARM64 Windows MSVC `aarch64-unknown-linux-musl` | ARM64 Linux with musl 1.2.3 `arm-unknown-linux-gnueabi` | Armv6 Linux (kernel 3.2, glibc 2.17) @@ -133,8 +133,8 @@ so Rustup may install the documentation for a similar tier 1 target instead. target | std | notes -------|:---:|------- -`aarch64-apple-ios` | ✓ | ARM64 iOS -[`aarch64-apple-ios-sim`](platform-support/aarch64-apple-ios-sim.md) | ✓ | Apple iOS Simulator on ARM64 +[`aarch64-apple-ios`](platform-support/apple-ios.md) | ✓ | ARM64 iOS +[`aarch64-apple-ios-sim`](platform-support/apple-ios.md) | ✓ | Apple iOS Simulator on ARM64 `aarch64-fuchsia` | ✓ | Alias for `aarch64-unknown-fuchsia` [`aarch64-unknown-fuchsia`](platform-support/fuchsia.md) | ✓ | ARM64 Fuchsia [`aarch64-linux-android`](platform-support/android.md) | ✓ | ARM64 Android @@ -192,7 +192,7 @@ target | std | notes `wasm32-wasi` | ✓ | WebAssembly with WASI (undergoing a [rename to `wasm32-wasip1`][wasi-rename]) [`wasm32-wasip1`](platform-support/wasm32-wasip1.md) | ✓ | WebAssembly with WASI [`wasm32-wasip1-threads`](platform-support/wasm32-wasip1-threads.md) | ✓ | | WebAssembly with WASI Preview 1 and threads -`x86_64-apple-ios` | ✓ | 64-bit x86 iOS +[`x86_64-apple-ios`](platform-support/apple-ios.md) | ✓ | 64-bit x86 iOS [`x86_64-fortanix-unknown-sgx`](platform-support/x86_64-fortanix-unknown-sgx.md) | ✓ | [Fortanix ABI] for 64-bit Intel SGX `x86_64-fuchsia` | ✓ | Alias for `x86_64-unknown-fuchsia` [`x86_64-unknown-fuchsia`](platform-support/fuchsia.md) | ✓ | 64-bit x86 Fuchsia @@ -241,9 +241,9 @@ target | std | host | notes [`arm64e-apple-ios`](platform-support/arm64e-apple-ios.md) | ✓ | | ARM64e Apple iOS [`arm64e-apple-darwin`](platform-support/arm64e-apple-darwin.md) | ✓ | ✓ | ARM64e Apple Darwin [`arm64ec-pc-windows-msvc`](platform-support/arm64ec-pc-windows-msvc.md) | ? | | Arm64EC Windows MSVC -`aarch64-apple-ios-macabi` | ? | | Apple Catalyst on ARM64 -[`aarch64-apple-tvos`](platform-support/apple-tvos.md) | ? | | ARM64 tvOS -[`aarch64-apple-tvos-sim`](platform-support/apple-tvos.md) | ? | | ARM64 tvOS Simulator +[`aarch64-apple-ios-macabi`](platform-support/apple-ios-macabi.md) | ✓ | | Apple Catalyst on ARM64 +[`aarch64-apple-tvos`](platform-support/apple-tvos.md) | ✓ | | ARM64 tvOS +[`aarch64-apple-tvos-sim`](platform-support/apple-tvos.md) | ✓ | | ARM64 tvOS Simulator [`aarch64-apple-watchos`](platform-support/apple-watchos.md) | ✓ | | ARM64 Apple WatchOS [`aarch64-apple-watchos-sim`](platform-support/apple-watchos.md) | ✓ | | ARM64 Apple WatchOS Simulator [`aarch64-apple-visionos`](platform-support/apple-visionos.md) | ✓ | | ARM64 Apple visionOS @@ -283,7 +283,7 @@ target | std | host | notes [`armv7a-kmc-solid_asp3-eabihf`](platform-support/kmc-solid.md) | ✓ | | ARM SOLID with TOPPERS/ASP3, hardfloat [`armv7a-none-eabihf`](platform-support/arm-none-eabi.md) | * | | Bare Armv7-A, hardfloat [`armv7k-apple-watchos`](platform-support/apple-watchos.md) | ✓ | | Armv7-A Apple WatchOS -`armv7s-apple-ios` | ✓ | | Armv7-A Apple-A6 Apple iOS +[`armv7s-apple-ios`](platform-support/apple-ios.md) | ✓ | | Armv7-A Apple-A6 Apple iOS [`armv8r-none-eabihf`](platform-support/armv8r-none-eabihf.md) | * | | Bare Armv8-R, hardfloat `avr-unknown-gnu-atmega328` | * | | AVR. Requires `-Z build-std=core` `bpfeb-unknown-none` | * | | BPF (big endian) @@ -292,10 +292,10 @@ target | std | host | notes `csky-unknown-linux-gnuabiv2hf` | ✓ | | C-SKY abiv2 Linux, hardfloat (little endian) [`hexagon-unknown-none-elf`](platform-support/hexagon-unknown-none-elf.md)| * | | Bare Hexagon (v60+, HVX) [`hexagon-unknown-linux-musl`](platform-support/hexagon-unknown-linux-musl.md) | ✓ | | Hexagon Linux with musl 1.2.3 -`i386-apple-ios` | ✓ | | 32-bit x86 iOS [^x86_32-floats-return-ABI] +[`i386-apple-ios`](platform-support/apple-ios.md) | ✓ | | 32-bit x86 iOS [^x86_32-floats-return-ABI] [`i586-pc-nto-qnx700`](platform-support/nto-qnx.md) | * | | 32-bit x86 QNX Neutrino 7.0 RTOS [^x86_32-floats-return-ABI] [`i586-unknown-netbsd`](platform-support/netbsd.md) | ✓ | | 32-bit x86, restricted to Pentium -`i686-apple-darwin` | ✓ | ✓ | 32-bit macOS (10.12+, Sierra+) [^x86_32-floats-return-ABI] +[`i686-apple-darwin`](platform-support/apple-darwin.md) | ✓ | ✓ | 32-bit macOS (10.12+, Sierra+) [^x86_32-floats-return-ABI] `i686-unknown-haiku` | ✓ | ✓ | 32-bit Haiku [^x86_32-floats-return-ABI] [`i686-unknown-hurd-gnu`](platform-support/hurd.md) | ✓ | ✓ | 32-bit GNU/Hurd [^x86_32-floats-return-ABI] [`i686-unknown-netbsd`](platform-support/netbsd.md) | ✓ | ✓ | NetBSD/i386 with SSE2 [^x86_32-floats-return-ABI] @@ -367,8 +367,8 @@ target | std | host | notes `thumbv7neon-unknown-linux-musleabihf` | ? | | Thumb2-mode Armv7-A Linux with NEON, musl 1.2.3 [`wasm32-wasip2`](platform-support/wasm32-wasip2.md) | ✓ | | WebAssembly [`wasm64-unknown-unknown`](platform-support/wasm64-unknown-unknown.md) | ? | | WebAssembly -`x86_64-apple-ios-macabi` | ✓ | | Apple Catalyst on x86_64 -[`x86_64-apple-tvos`](platform-support/apple-tvos.md) | ? | | x86 64-bit tvOS +[`x86_64-apple-ios-macabi`](platform-support/apple-ios-macabi.md) | ✓ | | Apple Catalyst on x86_64 +[`x86_64-apple-tvos`](platform-support/apple-tvos.md) | ✓ | | x86 64-bit tvOS [`x86_64-apple-watchos-sim`](platform-support/apple-watchos.md) | ✓ | | x86 64-bit Apple WatchOS simulator [`x86_64-pc-nto-qnx710`](platform-support/nto-qnx.md) | ✓ | | x86 64-bit QNX Neutrino 7.1 RTOS | [`x86_64-unikraft-linux-musl`](platform-support/unikraft-linux-musl.md) | ✓ | | 64-bit Unikraft with musl 1.2.3 diff --git a/src/doc/rustc/src/platform-support/aarch64-apple-ios-sim.md b/src/doc/rustc/src/platform-support/aarch64-apple-ios-sim.md deleted file mode 100644 index 3f29e2c5e1f7..000000000000 --- a/src/doc/rustc/src/platform-support/aarch64-apple-ios-sim.md +++ /dev/null @@ -1,55 +0,0 @@ -# aarch64-apple-ios-sim - -**Tier: 2** - -Apple iOS Simulator on ARM64. - -## Designated Developers - -* [@badboy](https://github.com/badboy) -* [@deg4uss3r](https://github.com/deg4uss3r) - -## Requirements - -This target is cross-compiled. -To build this target Xcode 12 or higher on macOS is required. - -## Building - -The target can be built by enabling it for a `rustc` build: - -```toml -[build] -build-stage = 1 -target = ["aarch64-apple-ios-sim"] -``` - -## Cross-compilation - -This target can be cross-compiled from `x86_64` or `aarch64` macOS hosts. - -Other hosts are not supported for cross-compilation, but might work when also providing the required Xcode SDK. - -## Testing - -Currently there is no support to run the rustc test suite for this target. - - -## Building Rust programs - -*Note: Building for this target requires the corresponding iOS SDK, as provided by Xcode 12+.* - -From Rust Nightly 1.56.0 (2021-08-03) on the artifacts are shipped pre-compiled: - -```text -rustup target add aarch64-apple-ios-sim --toolchain nightly -``` - -Rust programs can be built for that target: - -```text -rustc --target aarch64-apple-ios-sim your-code.rs -``` - -There is no easy way to run simple programs in the iOS simulator. -Static library builds can be embedded into iOS applications. diff --git a/src/doc/rustc/src/platform-support/apple-darwin.md b/src/doc/rustc/src/platform-support/apple-darwin.md new file mode 100644 index 000000000000..0fb86949a4b7 --- /dev/null +++ b/src/doc/rustc/src/platform-support/apple-darwin.md @@ -0,0 +1,59 @@ +# `*-apple-darwin` + +Apple macOS targets. + +**Tier: 1** + +- `x86_64-apple-darwin`: macOS on 64-bit x86. + +**Tier: 2 (with Host Tools)** + +- `aarch64-apple-darwin`: macOS on ARM64 (M1-family or later Apple Silicon CPUs). + +## Target maintainers + +- [@thomcc](https://github.com/thomcc) +- [@madsmtm](https://github.com/madsmtm) + +## Requirements + +### OS version + +The minimum supported version is macOS 10.12 Sierra on x86, and macOS 11.0 Big +Sur on ARM64. + +This version can be raised per-binary by changing the [deployment target], +which might yield more performance optimizations. `rustc` respects the common +environment variables used by Xcode to do so, in this case +`MACOSX_DEPLOYMENT_TARGET`. + +The current default deployment target for `rustc` can be retrieved with +[`rustc --print=deployment-target`][rustc-print]. + +[deployment target]: https://developer.apple.com/library/archive/documentation/DeveloperTools/Conceptual/cross_development/Configuring/configuring.html +[rustc-print]: ../command-line-arguments.md#option-print + +### Binary format + +The default binary format is Mach-O, the executable format used on Apple's +platforms. + +## Building + +These targets are distributed through `rustup`, and otherwise require no +special configuration. + +## Testing + +There are no special requirements for testing and running this target. + +x86 binaries can be run on Apple Silicon by using Rosetta. + +## Cross-compilation toolchains and C code + +Cross-compilation of these targets are supported using Clang, but may require +Xcode or the macOS SDK (`MacOSX.sdk`) to be available to compile C code and +to link. + +The path to the SDK can be passed to `rustc` using the common `SDKROOT` +environment variable. diff --git a/src/doc/rustc/src/platform-support/apple-ios-macabi.md b/src/doc/rustc/src/platform-support/apple-ios-macabi.md new file mode 100644 index 000000000000..278ee94b6d4e --- /dev/null +++ b/src/doc/rustc/src/platform-support/apple-ios-macabi.md @@ -0,0 +1,58 @@ +# `*-apple-ios-macabi` + +Apple Mac Catalyst targets. + +**Tier: 3** + +- `aarch64-apple-ios-macabi`: Mac Catalyst on ARM64. +- `x86_64-apple-ios-macabi`: Mac Catalyst on 64-bit x86. + +## Target maintainers + +- [@madsmtm](https://github.com/madsmtm) + +## Requirements + +These targets are cross-compiled, and require the corresponding macOS SDK +(`MacOSX.sdk`) which contain `./System/iOSSupport` headers to allow linking to +iOS-specific headers, as provided by Xcode 11 or higher. + +The path to the SDK can be passed to `rustc` using the common `SDKROOT` +environment variable. + +### OS version + +The minimum supported version is iOS 13.1. + +This can be raised per-binary by changing the deployment target. `rustc` +respects the common environment variables used by Xcode to do so, in this +case `IPHONEOS_DEPLOYMENT_TARGET`. + +## Building the target + +The targets can be built by enabling them for a `rustc` build in +`config.toml`, by adding, for example: + +```toml +[build] +target = ["aarch64-apple-ios-macabi", "x86_64-apple-ios-macabi"] +``` + +Using the unstable `-Zbuild-std` with a nightly Cargo may also work. + +## Building Rust programs + +Rust programs can be built for these targets by specifying `--target`, if +`rustc` has been built with support for them. For example: + +```console +$ rustc --target aarch64-apple-ios-macabi your-code.rs +``` + +## Testing + +Mac Catalyst binaries can be run directly on macOS 10.15 Catalina or newer. + +x86 binaries can be run on Apple Silicon by using Rosetta. + +Note that using certain UIKit functionality requires the binary to be bundled. diff --git a/src/doc/rustc/src/platform-support/apple-ios.md b/src/doc/rustc/src/platform-support/apple-ios.md new file mode 100644 index 000000000000..5045f810400f --- /dev/null +++ b/src/doc/rustc/src/platform-support/apple-ios.md @@ -0,0 +1,74 @@ +# `*-apple-ios` + +Apple iOS / iPadOS targets. + +**Tier: 2 (without Host Tools)** + +- `aarch64-apple-ios`: Apple iOS on ARM64. +- `aarch64-apple-ios-sim`: Apple iOS Simulator on ARM64. +- `x86_64-apple-ios`: Apple iOS Simulator on 64-bit x86. + +**Tier: 3** + +- `armv7s-apple-ios`: Apple iOS on Armv7-A. +- `i386-apple-ios`: Apple iOS Simulator on 32-bit x86. + +## Target maintainers + +- [@badboy](https://github.com/badboy) +- [@deg4uss3r](https://github.com/deg4uss3r) +- [@madsmtm](https://github.com/madsmtm) + +## Requirements + +These targets are cross-compiled, and require the corresponding iOS SDK +(`iPhoneOS.sdk` or `iPhoneSimulator.sdk`), as provided by Xcode. To build the +ARM64 targets, Xcode 12 or higher is required. + +The path to the SDK can be passed to `rustc` using the common `SDKROOT` +environment variable. + +### OS version + +The minimum supported version is iOS 10.0. + +This can be raised per-binary by changing the deployment target. `rustc` +respects the common environment variables used by Xcode to do so, in this +case `IPHONEOS_DEPLOYMENT_TARGET`. + +## Building the target + +The tier 2 targets are distributed through `rustup`, and can be installed +using one of: +```console +$ rustup target add aarch64-apple-ios +$ rustup target add aarch64-apple-ios-sim +$ rustup target add x86_64-apple-ios +``` + +The tier 3 targets can be built by enabling them for a `rustc` build in +`config.toml`, by adding, for example: + +```toml +[build] +target = ["armv7s-apple-ios", "i386-apple-ios"] +``` + +Using the unstable `-Zbuild-std` with a nightly Cargo may also work. + +## Building Rust programs + +Rust programs can be built for these targets by specifying `--target`, if +`rustc` has been built with support for them. For example: + +```console +$ rustc --target aarch64-apple-ios your-code.rs +``` + +## Testing + +There is no support for running the Rust or standard library testsuite at the +moment. Testing has mostly been done manually with builds of static libraries +embedded into applications called from Xcode or a simulator. + +It hopefully will be possible to improve this in the future. diff --git a/src/doc/rustc/src/platform-support/apple-tvos.md b/src/doc/rustc/src/platform-support/apple-tvos.md index e7ea109df1ba..7a3b601579a0 100644 --- a/src/doc/rustc/src/platform-support/apple-tvos.md +++ b/src/doc/rustc/src/platform-support/apple-tvos.md @@ -1,40 +1,44 @@ # `*-apple-tvos` -- aarch64-apple-tvos -- x86_64-apple-tvos + +Apple tvOS targets. **Tier: 3** -Apple tvOS targets: -- Apple tvOS on aarch64 -- Apple tvOS Simulator on x86_64 +- `aarch64-apple-tvos`: Apple tvOS on ARM64. +- `aarch64-apple-tvos-sim`: Apple tvOS Simulator on ARM64. +- `x86_64-apple-tvos`: Apple tvOS Simulator on x86_64. ## Target maintainers -* [@thomcc](https://github.com/thomcc) +- [@thomcc](https://github.com/thomcc) +- [@madsmtm](https://github.com/madsmtm) ## Requirements -These targets are cross-compiled. You will need appropriate versions of Xcode -and the SDKs for tvOS (`AppleTVOS.sdk`) and/or the tvOS Simulator -(`AppleTVSimulator.sdk`) to build a toolchain and target these platforms. +These targets are cross-compiled, and require the corresponding tvOS SDK +(`AppleTVOS.sdk` or `AppleTVSimulator.sdk`), as provided by Xcode. To build the +ARM64 targets, Xcode 12 or higher is required. -The targets support most (see below) of the standard library including the -allocator to the best of my knowledge, however they are very new, not yet -well-tested, and it is possible that there are various bugs. +The path to the SDK can be passed to `rustc` using the common `SDKROOT` +environment variable. -In theory we support back to tvOS version 7.0, although the actual minimum -version you can target may be newer than this, for example due to the versions -of Xcode and your SDKs. +### OS version -As with the other Apple targets, `rustc` respects the common environment -variables used by Xcode to configure this, in this case -`TVOS_DEPLOYMENT_TARGET`. +The minimum supported version is tvOS 10.0, although the actual minimum version +you can target may be newer than this, for example due to the versions of Xcode +and your SDKs. -#### Incompletely supported library functionality +The version can be raised per-binary by changing the deployment target. `rustc` +respects the common environment variables used by Xcode to do so, in this +case `TVOS_DEPLOYMENT_TARGET`. -As mentioned, "most" of the standard library is supported, which means that some portions -are known to be unsupported. The following APIs are currently known to have -missing or incomplete support: +### Incompletely supported library functionality + +The targets support most of the standard library including the allocator to the +best of my knowledge, however they are very new, not yet well-tested, and it is +possible that there are various bugs. + +The following APIs are currently known to have missing or incomplete support: - `std::process::Command`'s API will return an error if it is configured in a manner which cannot be performed using `posix_spawn` -- this is because the @@ -47,41 +51,30 @@ missing or incomplete support: ## Building the target -The targets can be built by enabling them for a `rustc` build in `config.toml`, by adding, for example: +The targets can be built by enabling them for a `rustc` build in +`config.toml`, by adding, for example: ```toml [build] build-stage = 1 -target = ["aarch64-apple-tvos", "x86_64-apple-tvos", "aarch64-apple-tvos-sim"] +target = ["aarch64-apple-tvos", "aarch64-apple-tvos-sim"] ``` -It's possible that cargo under `-Zbuild-std` may also be used to target them. +Using the unstable `-Zbuild-std` with a nightly Cargo may also work. ## Building Rust programs -*Note: Building for this target requires the corresponding TVOS SDK, as provided by Xcode.* +Rust programs can be built for these targets by specifying `--target`, if +`rustc` has been built with support for them. For example: -Rust programs can be built for these targets - -```text +```console $ rustc --target aarch64-apple-tvos your-code.rs -... -$ rustc --target x86_64-apple-tvos your-code.rs -... -$ rustc --target aarch64-apple-tvos-sim your-code.rs ``` ## Testing -There is no support for running the Rust or standard library testsuite on tvOS -or the simulators at the moment. Testing has mostly been done manually with -builds of static libraries called from Xcode or a simulator. +There is no support for running the Rust or standard library testsuite at the +moment. Testing has mostly been done manually with builds of static libraries +embedded into applications called from Xcode or a simulator. It hopefully will be possible to improve this in the future. - -## Cross-compilation toolchains and C code - -This target can be cross-compiled from x86_64 or aarch64 macOS hosts. - -Other hosts are not supported for cross-compilation, but might work when also -providing the required Xcode SDK. diff --git a/src/doc/rustc/src/platform-support/apple-visionos.md b/src/doc/rustc/src/platform-support/apple-visionos.md index 9874126e42fe..56224d7e20d4 100644 --- a/src/doc/rustc/src/platform-support/apple-visionos.md +++ b/src/doc/rustc/src/platform-support/apple-visionos.md @@ -1,53 +1,67 @@ -# aarch64-apple-visionos\* +# `*-apple-visionos` -- aarch64-apple-visionos -- aarch64-apple-visionos-sim +Apple visionOS / xrOS targets. **Tier: 3** -Apple visionOS targets: - -- Apple visionOS on arm64 -- Apple visionOS Simulator on arm64 +- `aarch64-apple-visionos`: Apple visionOS on arm64. +- `aarch64-apple-visionos-sim`: Apple visionOS Simulator on arm64. ## Target maintainers -- [@agg23](https://github.com/agg23) -- [@madsmtm](https://github.com/madsmtm) +- [@agg23](https://github.com/agg23) +- [@madsmtm](https://github.com/madsmtm) ## Requirements -These targets are cross-compiled. -To build these targets Xcode 15 or higher on macOS is required, along with LLVM 18. +These targets are cross-compiled, and require the corresponding visionOS SDK +(`XROS.sdk` or `XRSimulator.sdk`), as provided by Xcode 15 or newer. + +The path to the SDK can be passed to `rustc` using the common `SDKROOT` +environment variable. + +### OS version + +The minimum supported version is visionOS 1.0. + +This can be raised per-binary by changing the deployment target. `rustc` +respects the common environment variables used by Xcode to do so, in this +case `XROS_DEPLOYMENT_TARGET`. ## Building the target -The targets can be built by enabling them for a `rustc` build, for example: +The targets can be built by enabling them for a `rustc` build in +`config.toml`, by adding, for example: ```toml [build] -build-stage = 1 -target = ["aarch64-apple-visionos-sim"] +target = ["aarch64-apple-visionos", "aarch64-apple-visionos-sim"] ``` +Using the unstable `-Zbuild-std` with a nightly Cargo may also work. + +Note: Currently, a newer version of `libc` and `cc` may be required, this will +be fixed in [#124560](https://github.com/rust-lang/rust/pull/124560). + ## Building Rust programs -_Note: Building for this target requires the corresponding visionOS SDK, as provided by Xcode 15+._ +Rust programs can be built for these targets by specifying `--target`, if +`rustc` has been built with support for them. For example: -Rust programs can be built for these targets, if `rustc` has been built with support for them, for example: - -```text -rustc --target aarch64-apple-visionos-sim your-code.rs +```console +$ rustc --target aarch64-apple-visionos-sim your-code.rs ``` ## Testing -There is no support for running the Rust testsuite on visionOS or the simulators. +There is no support for running the Rust or standard library testsuite at the +moment. Testing has mostly been done manually with builds of static libraries +embedded into applications called from Xcode or a simulator. -There is no easy way to run simple programs on visionOS or the visionOS simulators. Static library builds can be embedded into visionOS applications. +It hopefully will be possible to improve this in the future. ## Cross-compilation toolchains and C code -This target can be cross-compiled from x86_64 or aarch64 macOS hosts. +The Clang target is suffixed with `-xros` for historical reasons. -Other hosts are not supported for cross-compilation, but might work when also providing the required Xcode SDK. +LLVM 18 or newer is required to build this target. diff --git a/src/doc/rustc/src/platform-support/apple-watchos.md b/src/doc/rustc/src/platform-support/apple-watchos.md index 7be2467352c2..8ba35f70b857 100644 --- a/src/doc/rustc/src/platform-support/apple-watchos.md +++ b/src/doc/rustc/src/platform-support/apple-watchos.md @@ -1,58 +1,65 @@ -# *-apple-watchos -- arm64_32-apple-watchos -- armv7k-apple-watchos -- aarch64-apple-watchos -- aarch64-apple-watchos-sim -- x86_64-apple-watchos-sim +# `*-apple-watchos` + +Apple watchOS targets. **Tier: 3** -Apple WatchOS targets: -- Apple WatchOS on Arm 64_32 -- Apple WatchOS on Arm v7k -- Apple WatchOS on Arm 64 -- Apple WatchOS Simulator on arm64 -- Apple WatchOS Simulator on x86_64 +- `aarch64-apple-watchos`: Apple WatchOS on ARM64. +- `aarch64-apple-watchos-sim`: Apple WatchOS Simulator on ARM64. +- `x86_64-apple-watchos-sim`: Apple WatchOS Simulator on 64-bit x86. +- `arm64_32-apple-watchos`: Apple WatchOS on Arm 64_32. +- `armv7k-apple-watchos`: Apple WatchOS on Armv7k. ## Target maintainers -* [@deg4uss3r](https://github.com/deg4uss3r) -* [@vladimir-ea](https://github.com/vladimir-ea) -* [@leohowell](https://github.com/leohowell) +- [@deg4uss3r](https://github.com/deg4uss3r) +- [@vladimir-ea](https://github.com/vladimir-ea) +- [@leohowell](https://github.com/leohowell) +- [@madsmtm](https://github.com/madsmtm) ## Requirements -These targets are cross-compiled. -To build these targets Xcode 12 or higher on macOS is required. +These targets are cross-compiled, and require the corresponding watchOS SDK +(`WatchOS.sdk` or `WatchSimulator.sdk`), as provided by Xcode. To build the +ARM64 targets, Xcode 12 or higher is required. + +The path to the SDK can be passed to `rustc` using the common `SDKROOT` +environment variable. + +### OS version + +The minimum supported version is watchOS 5.0. + +This can be raised per-binary by changing the deployment target. `rustc` +respects the common environment variables used by Xcode to do so, in this +case `WATCHOS_DEPLOYMENT_TARGET`. ## Building the target -The targets can be built by enabling them for a `rustc` build, for example: +The targets can be built by enabling them for a `rustc` build in +`config.toml`, by adding, for example: ```toml [build] build-stage = 1 -target = ["aarch64-apple-watchos-sim"] +target = ["aarch64-apple-watchos", "aarch64-apple-watchos-sim"] ``` +Using the unstable `-Zbuild-std` with a nightly Cargo may also work. + ## Building Rust programs -*Note: Building for this target requires the corresponding WatchOS SDK, as provided by Xcode 12+.* +Rust programs can be built for these targets by specifying `--target`, if +`rustc` has been built with support for them. For example: -Rust programs can be built for these targets, if `rustc` has been built with support for them, for example: - -```text -rustc --target aarch64-apple-watchos-sim your-code.rs +```console +$ rustc --target aarch64-apple-watchos-sim your-code.rs ``` ## Testing -There is no support for running the Rust testsuite on WatchOS or the simulators. +There is no support for running the Rust or standard library testsuite at the +moment. Testing has mostly been done manually with builds of static libraries +embedded into applications called from Xcode or a simulator. -There is no easy way to run simple programs on WatchOS or the WatchOS simulators. Static library builds can be embedded into WatchOS applications. - -## Cross-compilation toolchains and C code - -This target can be cross-compiled from x86_64 or aarch64 macOS hosts. - -Other hosts are not supported for cross-compilation, but might work when also providing the required Xcode SDK. +It hopefully will be possible to improve this in the future. diff --git a/src/doc/rustc/src/platform-support/arm64e-apple-darwin.md b/src/doc/rustc/src/platform-support/arm64e-apple-darwin.md index d9b9aeae1ae6..4d98b3a60986 100644 --- a/src/doc/rustc/src/platform-support/arm64e-apple-darwin.md +++ b/src/doc/rustc/src/platform-support/arm64e-apple-darwin.md @@ -12,6 +12,8 @@ ARM64e macOS (11.0+, Big Sur+) Target for `macOS` on late-generation `M` series Apple chips. +See the docs on [`*-apple-darwin`](apple-darwin.md) for general macOS requirements. + ## Building the target You can build Rust with support for the targets by adding it to the `target` list in `config.toml`: diff --git a/src/doc/rustc/src/platform-support/arm64e-apple-ios.md b/src/doc/rustc/src/platform-support/arm64e-apple-ios.md index 0215621be3d0..3c878f7250e9 100644 --- a/src/doc/rustc/src/platform-support/arm64e-apple-ios.md +++ b/src/doc/rustc/src/platform-support/arm64e-apple-ios.md @@ -10,8 +10,7 @@ ARM64e iOS (12.0+) ## Requirements -These targets only support cross-compilation. -The targets do support `std`. +See the docs on [`*-apple-ios`](apple-ios.md) for general iOS requirements. ## Building the target diff --git a/src/doc/rustc/src/platform-support/i686-apple-darwin.md b/src/doc/rustc/src/platform-support/i686-apple-darwin.md new file mode 100644 index 000000000000..d69fa97ce637 --- /dev/null +++ b/src/doc/rustc/src/platform-support/i686-apple-darwin.md @@ -0,0 +1,41 @@ +# `i686-apple-darwin` + +Apple macOS on 32-bit x86. + +## Target maintainers + +- [@thomcc](https://github.com/thomcc) +- [@madsmtm](https://github.com/madsmtm) + +## Requirements + +See the docs on [`*-apple-darwin`](apple-darwin.md) for general macOS requirements. + +## Building the target + +You'll need the macOS 10.13 SDK shipped with Xcode 9. The location of the SDK +can be passed to `rustc` using the common `SDKROOT` environment variable. + +Once you have that, you can build Rust with support for the target by adding +it to the `target` list in `config.toml`: + +```toml +[build] +target = ["i686-apple-darwin"] +``` + +Using the unstable `-Zbuild-std` with a nightly Cargo may also work. + +## Building Rust programs + +Rust [no longer] ships pre-compiled artifacts for this target. To compile for +this target, you will either need to build Rust with the target enabled (see +"Building the target" above), or build your own copy using `build-std` or +similar. + +[no longer]: https://blog.rust-lang.org/2020/01/03/reducing-support-for-32-bit-apple-targets.html + +## Testing + +Running this target requires an Intel Macbook running macOS 10.14 or earlier, +as later versions removed support for running 32-bit binaries. diff --git a/src/doc/rustc/src/platform-support/x86_64h-apple-darwin.md b/src/doc/rustc/src/platform-support/x86_64h-apple-darwin.md index 0fe9d4edaca1..6c2a6a41101d 100644 --- a/src/doc/rustc/src/platform-support/x86_64h-apple-darwin.md +++ b/src/doc/rustc/src/platform-support/x86_64h-apple-darwin.md @@ -23,9 +23,8 @@ default or user-defined allocators). This target is probably most useful when targeted via cross-compilation (including from `x86_64-apple-darwin`), but if built manually, the host tools work. -It is similar to `x86_64-apple-darwin` in nearly all respects, although the -minimum supported OS version is slightly higher (it requires 10.8 rather than -`x86_64-apple-darwin`'s 10.7). +It is similar to [`x86_64-apple-darwin`](apple-darwin.md) in nearly all +respects. ## Building the target From c9ea0ae502aa5afe84ae528b697824412ebabf77 Mon Sep 17 00:00:00 2001 From: Yusuf Raji Date: Sun, 5 May 2024 23:26:29 +0200 Subject: [PATCH 0060/1716] Lint while loops with float comparison --- CHANGELOG.md | 1 + clippy_lints/src/declared_lints.rs | 1 + clippy_lints/src/loops/mod.rs | 36 +++++++++++++++++++++++++++ clippy_lints/src/loops/while_float.rs | 20 +++++++++++++++ tests/ui/while_float.rs | 14 +++++++++++ tests/ui/while_float.stderr | 20 +++++++++++++++ 6 files changed, 92 insertions(+) create mode 100644 clippy_lints/src/loops/while_float.rs create mode 100644 tests/ui/while_float.rs create mode 100644 tests/ui/while_float.stderr diff --git a/CHANGELOG.md b/CHANGELOG.md index 9c9ea1140814..1f759ab0828c 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -5908,6 +5908,7 @@ Released 2018-09-13 [`verbose_file_reads`]: https://rust-lang.github.io/rust-clippy/master/index.html#verbose_file_reads [`vtable_address_comparisons`]: https://rust-lang.github.io/rust-clippy/master/index.html#vtable_address_comparisons [`waker_clone_wake`]: https://rust-lang.github.io/rust-clippy/master/index.html#waker_clone_wake +[`while_float`]: https://rust-lang.github.io/rust-clippy/master/index.html#while_float [`while_immutable_condition`]: https://rust-lang.github.io/rust-clippy/master/index.html#while_immutable_condition [`while_let_loop`]: https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop [`while_let_on_iterator`]: https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator diff --git a/clippy_lints/src/declared_lints.rs b/clippy_lints/src/declared_lints.rs index 5ff7d8e51343..8f85f7595551 100644 --- a/clippy_lints/src/declared_lints.rs +++ b/clippy_lints/src/declared_lints.rs @@ -291,6 +291,7 @@ pub(crate) static LINTS: &[&crate::LintInfo] = &[ crate::loops::SAME_ITEM_PUSH_INFO, crate::loops::SINGLE_ELEMENT_LOOP_INFO, crate::loops::UNUSED_ENUMERATE_INDEX_INFO, + crate::loops::WHILE_FLOAT_INFO, crate::loops::WHILE_IMMUTABLE_CONDITION_INFO, crate::loops::WHILE_LET_LOOP_INFO, crate::loops::WHILE_LET_ON_ITERATOR_INFO, diff --git a/clippy_lints/src/loops/mod.rs b/clippy_lints/src/loops/mod.rs index b5e39b33c6a1..eb363a703929 100644 --- a/clippy_lints/src/loops/mod.rs +++ b/clippy_lints/src/loops/mod.rs @@ -17,6 +17,7 @@ mod same_item_push; mod single_element_loop; mod unused_enumerate_index; mod utils; +mod while_float; mod while_immutable_condition; mod while_let_loop; mod while_let_on_iterator; @@ -416,6 +417,39 @@ declare_clippy_lint! { "variables used within while expression are not mutated in the body" } +declare_clippy_lint! { + /// ### What it does + /// Checks for while loops comparing floating point values. + /// + /// ### Why is this bad? + /// If you increment floating point values, errors can compound, + /// so, use integers instead if possible. + /// + /// ### Known problems + /// The lint will catch all while loops comparing floating point + /// values no matter whether it's a threshold or something. + /// + /// ### Example + /// ```no_run + /// let mut x = 0.0; + /// while x < 42.0 { + /// x += 1.0; + /// } + /// ``` + /// + /// Use instead: + /// ```no_run + /// let mut x = 0; + /// while x < 42 { + /// x += 1; + /// } + /// ``` + #[clippy::version = "1.80.0"] + pub WHILE_FLOAT, + nursery, + "while loops comaparing floating point values" +} + declare_clippy_lint! { /// ### What it does /// Checks whether a for loop is being used to push a constant @@ -706,6 +740,7 @@ impl_lint_pass!(Loops => [ NEVER_LOOP, MUT_RANGE_BOUND, WHILE_IMMUTABLE_CONDITION, + WHILE_FLOAT, SAME_ITEM_PUSH, SINGLE_ELEMENT_LOOP, MISSING_SPIN_LOOP, @@ -762,6 +797,7 @@ impl<'tcx> LateLintPass<'tcx> for Loops { if let Some(higher::While { condition, body, span }) = higher::While::hir(expr) { while_immutable_condition::check(cx, condition, body); + while_float::check(cx, condition); missing_spin_loop::check(cx, condition, body); manual_while_let_some::check(cx, condition, body, span); } diff --git a/clippy_lints/src/loops/while_float.rs b/clippy_lints/src/loops/while_float.rs new file mode 100644 index 000000000000..cf62ce29f0c7 --- /dev/null +++ b/clippy_lints/src/loops/while_float.rs @@ -0,0 +1,20 @@ +use clippy_utils::diagnostics::span_lint; +use rustc_hir::ExprKind; + +pub(super) fn check(cx: &rustc_lint::LateContext<'_>, condition: &rustc_hir::Expr<'_>) { + if let ExprKind::Binary(_op, left, right) = condition.kind + && is_float_type(cx, left) + && is_float_type(cx, right) + { + span_lint( + cx, + super::WHILE_FLOAT, + condition.span, + "while condition comparing floats", + ); + } +} + +fn is_float_type(cx: &rustc_lint::LateContext<'_>, expr: &rustc_hir::Expr<'_>) -> bool { + cx.typeck_results().expr_ty(expr).is_floating_point() +} diff --git a/tests/ui/while_float.rs b/tests/ui/while_float.rs new file mode 100644 index 000000000000..a3b0618948e6 --- /dev/null +++ b/tests/ui/while_float.rs @@ -0,0 +1,14 @@ +#[deny(clippy::while_float)] +fn main() { + let mut x = 0.0_f32; + while x < 42.0_f32 { + x += 0.5; + } + while x < 42.0 { + x += 1.0; + } + let mut x = 0; + while x < 42 { + x += 1; + } +} diff --git a/tests/ui/while_float.stderr b/tests/ui/while_float.stderr new file mode 100644 index 000000000000..b8e934b97c6c --- /dev/null +++ b/tests/ui/while_float.stderr @@ -0,0 +1,20 @@ +error: while condition comparing floats + --> tests/ui/while_float.rs:4:11 + | +LL | while x < 42.0_f32 { + | ^^^^^^^^^^^^ + | +note: the lint level is defined here + --> tests/ui/while_float.rs:1:8 + | +LL | #[deny(clippy::while_float)] + | ^^^^^^^^^^^^^^^^^^^ + +error: while condition comparing floats + --> tests/ui/while_float.rs:7:11 + | +LL | while x < 42.0 { + | ^^^^^^^^ + +error: aborting due to 2 previous errors + From 566bfff8bb36eb4d52a637e28732ab38439491c5 Mon Sep 17 00:00:00 2001 From: Rebecca Turner Date: Thu, 2 May 2024 12:05:45 -0700 Subject: [PATCH 0061/1716] useless_attribute: Update docs for allowed attributes --- clippy_lints/src/attrs/mod.rs | 12 ++++- clippy_lints/src/attrs/useless_attribute.rs | 54 ++++++++++++--------- 2 files changed, 43 insertions(+), 23 deletions(-) diff --git a/clippy_lints/src/attrs/mod.rs b/clippy_lints/src/attrs/mod.rs index 8f47bc7653b7..39f406077995 100644 --- a/clippy_lints/src/attrs/mod.rs +++ b/clippy_lints/src/attrs/mod.rs @@ -61,11 +61,21 @@ declare_clippy_lint! { /// /// This lint permits lint attributes for lints emitted on the items themself. /// For `use` items these lints are: + /// * ambiguous_glob_reexports + /// * dead_code /// * deprecated + /// * hidden_glob_reexports /// * unreachable_pub - /// * unused_imports + /// * unused + /// * unused_braces + /// * unused_import_braces + /// * clippy::disallowed_types /// * clippy::enum_glob_use /// * clippy::macro_use_imports + /// * clippy::module_name_repetitions + /// * clippy::redundant_pub_crate + /// * clippy::single_component_path_imports + /// * clippy::unsafe_removed_from_name /// * clippy::wildcard_imports /// /// For `extern crate` items these lints are: diff --git a/clippy_lints/src/attrs/useless_attribute.rs b/clippy_lints/src/attrs/useless_attribute.rs index f6f4d7804404..f0868231d01a 100644 --- a/clippy_lints/src/attrs/useless_attribute.rs +++ b/clippy_lints/src/attrs/useless_attribute.rs @@ -2,6 +2,7 @@ use super::utils::{extract_clippy_lint, is_lint_level, is_word}; use super::{Attribute, USELESS_ATTRIBUTE}; use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::source::{first_line_of_span, snippet_opt}; +use rustc_ast::NestedMetaItem; use rustc_errors::Applicability; use rustc_hir::{Item, ItemKind}; use rustc_lint::{LateContext, LintContext}; @@ -20,31 +21,40 @@ pub(super) fn check(cx: &LateContext<'_>, item: &Item<'_>, attrs: &[Attribute]) for lint in lint_list { match item.kind { ItemKind::Use(..) => { - if is_word(lint, sym::unused_imports) - || is_word(lint, sym::deprecated) - || is_word(lint, sym!(unreachable_pub)) - || is_word(lint, sym!(unused)) - || is_word(lint, sym!(unused_import_braces)) - || is_word(lint, sym!(unused_braces)) - || is_word(lint, sym::dead_code) - || is_word(lint, sym!(hidden_glob_reexports)) - || is_word(lint, sym!(ambiguous_glob_reexports)) - || extract_clippy_lint(lint).map_or(false, |s| { - matches!( - s.as_str(), - "wildcard_imports" - | "enum_glob_use" - | "redundant_pub_crate" - | "macro_use_imports" - | "unsafe_removed_from_name" - | "module_name_repetitions" - | "single_component_path_imports" - | "disallowed_types" - ) - }) + if let NestedMetaItem::MetaItem(meta_item) = lint + && meta_item.is_word() + && let Some(ident) = meta_item.ident() + && matches!( + ident.name.as_str(), + "ambiguous_glob_reexports" + | "dead_code" + | "deprecated" + | "hidden_glob_reexports" + | "unreachable_pub" + | "unused" + | "unused_braces" + | "unused_import_braces" + | "unused_imports" + ) { return; } + + if extract_clippy_lint(lint).is_some_and(|symbol| { + matches!( + symbol.as_str(), + "wildcard_imports" + | "enum_glob_use" + | "redundant_pub_crate" + | "macro_use_imports" + | "unsafe_removed_from_name" + | "module_name_repetitions" + | "single_component_path_imports" + | "disallowed_types" + ) + }) { + return; + } }, ItemKind::ExternCrate(..) => { if is_word(lint, sym::unused_imports) && skip_unused_imports { From f3dd31e21477c908daece71dc50bb7730b06a6ee Mon Sep 17 00:00:00 2001 From: Michael Howell Date: Mon, 6 May 2024 13:38:18 -0700 Subject: [PATCH 0062/1716] Add lint for markdown lazy paragraph continuations This is a follow-up for https://github.com/rust-lang/rust/pull/121659, since most cases of unintended block quotes are lazy continuations. The lint is designed to be more generally useful than that, though, because it will also catch unintended list items and unintended block quotes that didn't coincidentally hit a pulldown-cmark bug. --- CHANGELOG.md | 1 + clippy_lints/src/declared_lints.rs | 1 + clippy_lints/src/doc/lazy_continuation.rs | 95 ++++++++++++++++++ clippy_lints/src/doc/mod.rs | 115 +++++++++++++++++++++- tests/ui/doc/doc_lazy_blockquote.fixed | 47 +++++++++ tests/ui/doc/doc_lazy_blockquote.rs | 47 +++++++++ tests/ui/doc/doc_lazy_blockquote.stderr | 76 ++++++++++++++ tests/ui/doc/doc_lazy_list.fixed | 42 ++++++++ tests/ui/doc/doc_lazy_list.rs | 42 ++++++++ tests/ui/doc/doc_lazy_list.stderr | 112 +++++++++++++++++++++ 10 files changed, 573 insertions(+), 5 deletions(-) create mode 100644 clippy_lints/src/doc/lazy_continuation.rs create mode 100644 tests/ui/doc/doc_lazy_blockquote.fixed create mode 100644 tests/ui/doc/doc_lazy_blockquote.rs create mode 100644 tests/ui/doc/doc_lazy_blockquote.stderr create mode 100644 tests/ui/doc/doc_lazy_list.fixed create mode 100644 tests/ui/doc/doc_lazy_list.rs create mode 100644 tests/ui/doc/doc_lazy_list.stderr diff --git a/CHANGELOG.md b/CHANGELOG.md index 9c9ea1140814..76010d82cae3 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -5249,6 +5249,7 @@ Released 2018-09-13 [`disallowed_type`]: https://rust-lang.github.io/rust-clippy/master/index.html#disallowed_type [`disallowed_types`]: https://rust-lang.github.io/rust-clippy/master/index.html#disallowed_types [`diverging_sub_expression`]: https://rust-lang.github.io/rust-clippy/master/index.html#diverging_sub_expression +[`doc_lazy_continuation`]: https://rust-lang.github.io/rust-clippy/master/index.html#doc_lazy_continuation [`doc_link_with_quotes`]: https://rust-lang.github.io/rust-clippy/master/index.html#doc_link_with_quotes [`doc_markdown`]: https://rust-lang.github.io/rust-clippy/master/index.html#doc_markdown [`double_comparisons`]: https://rust-lang.github.io/rust-clippy/master/index.html#double_comparisons diff --git a/clippy_lints/src/declared_lints.rs b/clippy_lints/src/declared_lints.rs index 5ff7d8e51343..8a7e51fc7683 100644 --- a/clippy_lints/src/declared_lints.rs +++ b/clippy_lints/src/declared_lints.rs @@ -140,6 +140,7 @@ pub(crate) static LINTS: &[&crate::LintInfo] = &[ crate::disallowed_names::DISALLOWED_NAMES_INFO, crate::disallowed_script_idents::DISALLOWED_SCRIPT_IDENTS_INFO, crate::disallowed_types::DISALLOWED_TYPES_INFO, + crate::doc::DOC_LAZY_CONTINUATION_INFO, crate::doc::DOC_LINK_WITH_QUOTES_INFO, crate::doc::DOC_MARKDOWN_INFO, crate::doc::EMPTY_DOCS_INFO, diff --git a/clippy_lints/src/doc/lazy_continuation.rs b/clippy_lints/src/doc/lazy_continuation.rs new file mode 100644 index 000000000000..497e9e5d4d1b --- /dev/null +++ b/clippy_lints/src/doc/lazy_continuation.rs @@ -0,0 +1,95 @@ +use clippy_utils::diagnostics::span_lint_and_then; +use itertools::Itertools; +use rustc_errors::{Applicability, SuggestionStyle}; +use rustc_lint::LateContext; +use rustc_span::{BytePos, Span}; +use std::ops::Range; + +use super::DOC_LAZY_CONTINUATION; + +fn map_container_to_text(c: &super::Container) -> &'static str { + match c { + super::Container::Blockquote => "> ", + // numbered list can have up to nine digits, plus the dot, plus four spaces on either side + super::Container::List(indent) => &" "[0..*indent], + } +} + +// TODO: Adjust the parameters as necessary +pub(super) fn check( + cx: &LateContext<'_>, + doc: &str, + range: Range, + mut span: Span, + containers: &[super::Container], +) { + if doc[range.clone()].contains('\t') { + // We don't do tab stops correctly. + return; + } + + let ccount = doc[range.clone()].chars().filter(|c| *c == '>').count(); + let blockquote_level = containers + .iter() + .filter(|c| matches!(c, super::Container::Blockquote)) + .count(); + let lcount = doc[range.clone()].chars().filter(|c| *c == ' ').count(); + let list_indentation = containers + .iter() + .map(|c| { + if let super::Container::List(indent) = c { + *indent + } else { + 0 + } + }) + .sum(); + if ccount < blockquote_level || lcount < list_indentation { + let msg = if ccount < blockquote_level { + "doc quote missing `>` marker" + } else { + "doc list item missing indentation" + }; + span_lint_and_then(cx, DOC_LAZY_CONTINUATION, span, msg, |diag| { + if ccount == 0 && blockquote_level == 0 { + // simpler suggestion style for indentation + let indent = list_indentation - lcount; + diag.span_suggestion_with_style( + span.shrink_to_hi(), + "indent this line", + std::iter::repeat(" ").take(indent).join(""), + Applicability::MachineApplicable, + SuggestionStyle::ShowAlways, + ); + diag.help("if this is supposed to be its own paragraph, add a blank line"); + return; + } + let mut doc_start_range = &doc[range]; + let mut suggested = String::new(); + for c in containers { + let text = map_container_to_text(c); + if doc_start_range.starts_with(text) { + doc_start_range = &doc_start_range[text.len()..]; + span = span + .with_lo(span.lo() + BytePos(u32::try_from(text.len()).expect("text is not 2**32 or bigger"))); + } else if matches!(c, super::Container::Blockquote) + && let Some(i) = doc_start_range.find('>') + { + doc_start_range = &doc_start_range[i + 1..]; + span = + span.with_lo(span.lo() + BytePos(u32::try_from(i).expect("text is not 2**32 or bigger") + 1)); + } else { + suggested.push_str(text); + } + } + diag.span_suggestion_with_style( + span, + "add markers to start of line", + suggested, + Applicability::MachineApplicable, + SuggestionStyle::ShowAlways, + ); + diag.help("if this not intended to be a quote at all, escape it with `\\>`"); + }); + } +} diff --git a/clippy_lints/src/doc/mod.rs b/clippy_lints/src/doc/mod.rs index 4bced104d3bc..29ccf4fceb5b 100644 --- a/clippy_lints/src/doc/mod.rs +++ b/clippy_lints/src/doc/mod.rs @@ -1,3 +1,4 @@ +mod lazy_continuation; use clippy_utils::attrs::is_doc_hidden; use clippy_utils::diagnostics::{span_lint, span_lint_and_help}; use clippy_utils::macros::{is_panic, root_macro_call_first_node}; @@ -7,7 +8,7 @@ use clippy_utils::{is_entrypoint_fn, is_trait_impl_item, method_chain_args}; use pulldown_cmark::Event::{ Code, End, FootnoteReference, HardBreak, Html, Rule, SoftBreak, Start, TaskListMarker, Text, }; -use pulldown_cmark::Tag::{BlockQuote, CodeBlock, Heading, Item, Link, Paragraph}; +use pulldown_cmark::Tag::{BlockQuote, CodeBlock, FootnoteDefinition, Heading, Item, Link, Paragraph}; use pulldown_cmark::{BrokenLink, CodeBlockKind, CowStr, Options}; use rustc_ast::ast::Attribute; use rustc_data_structures::fx::FxHashSet; @@ -362,6 +363,63 @@ declare_clippy_lint! { "docstrings exist but documentation is empty" } +declare_clippy_lint! { + /// ### What it does + /// + /// In CommonMark Markdown, the language used to write doc comments, a + /// paragraph nested within a list or block quote does not need any line + /// after the first one to be indented or marked. The specification calls + /// this a "lazy paragraph continuation." + /// + /// ### Why is this bad? + /// + /// This is easy to write but hard to read. Lazy continuations makes + /// unintended markers hard to see, and make it harder to deduce the + /// document's intended structure. + /// + /// ### Example + /// + /// This table is probably intended to have two rows, + /// but it does not. It has zero rows, and is followed by + /// a block quote. + /// ```no_run + /// /// Range | Description + /// /// ----- | ----------- + /// /// >= 1 | fully opaque + /// /// < 1 | partially see-through + /// fn set_opacity(opacity: f32) {} + /// ``` + /// + /// Fix it by escaping the marker: + /// ```no_run + /// /// Range | Description + /// /// ----- | ----------- + /// /// \>= 1 | fully opaque + /// /// < 1 | partially see-through + /// fn set_opacity(opacity: f32) {} + /// ``` + /// + /// This example is actually intended to be a list: + /// ```no_run + /// /// * Do nothing. + /// /// * Then do something. Whatever it is needs done, + /// /// it should be done right now. + /// # fn do_stuff() {} + /// ``` + /// + /// Fix it by indenting the list contents: + /// ```no_run + /// /// * Do nothing. + /// /// * Then do something. Whatever it is needs done, + /// /// it should be done right now. + /// # fn do_stuff() {} + /// ``` + #[clippy::version = "1.80.0"] + pub DOC_LAZY_CONTINUATION, + style, + "require every line of a paragraph to be indented and marked" +} + #[derive(Clone)] pub struct Documentation { valid_idents: FxHashSet, @@ -388,6 +446,7 @@ impl_lint_pass!(Documentation => [ UNNECESSARY_SAFETY_DOC, SUSPICIOUS_DOC_COMMENTS, EMPTY_DOCS, + DOC_LAZY_CONTINUATION, ]); impl<'tcx> LateLintPass<'tcx> for Documentation { @@ -551,6 +610,7 @@ fn check_attrs(cx: &LateContext<'_>, valid_idents: &FxHashSet, attrs: &[ cx, valid_idents, parser.into_offset_iter(), + &doc, Fragments { fragments: &fragments, doc: &doc, @@ -560,6 +620,11 @@ fn check_attrs(cx: &LateContext<'_>, valid_idents: &FxHashSet, attrs: &[ const RUST_CODE: &[&str] = &["rust", "no_run", "should_panic", "compile_fail"]; +enum Container { + Blockquote, + List(usize), +} + /// Checks parsed documentation. /// This walks the "events" (think sections of markdown) produced by `pulldown_cmark`, /// so lints here will generally access that information. @@ -569,6 +634,7 @@ fn check_doc<'a, Events: Iterator, Range, valid_idents: &FxHashSet, events: Events, + doc: &str, fragments: Fragments<'_>, ) -> DocHeaders { // true if a safety header was found @@ -576,6 +642,7 @@ fn check_doc<'a, Events: Iterator, Range, Range { if tag.starts_with(", Range blockquote_level += 1, - End(BlockQuote) => blockquote_level -= 1, + Start(BlockQuote) => { + blockquote_level += 1; + containers.push(Container::Blockquote); + }, + End(BlockQuote) => { + blockquote_level -= 1; + containers.pop(); + }, Start(CodeBlock(ref kind)) => { in_code = true; if let CodeBlockKind::Fenced(lang) = kind { @@ -633,6 +710,13 @@ fn check_doc<'a, Events: Iterator, Range, Range, Range in_footnote_definition = true, + End(FootnoteDefinition(..)) => in_footnote_definition = false, Start(_tag) | End(_tag) => (), // We don't care about other tags - SoftBreak | HardBreak | TaskListMarker(_) | Code(_) | Rule => (), + SoftBreak | HardBreak => { + if !containers.is_empty() + && let Some((_next_event, next_range)) = events.peek() + && let Some(next_span) = fragments.span(cx, next_range.clone()) + && let Some(span) = fragments.span(cx, range.clone()) + && !in_footnote_definition + { + lazy_continuation::check( + cx, + doc, + range.end..next_range.start, + Span::new(span.hi(), next_span.lo(), span.ctxt(), span.parent()), + &containers[..], + ); + } + }, + TaskListMarker(_) | Code(_) | Rule => (), FootnoteReference(text) | Text(text) => { paragraph_range.end = range.end; ticks_unbalanced |= text.contains('`') && !in_code; diff --git a/tests/ui/doc/doc_lazy_blockquote.fixed b/tests/ui/doc/doc_lazy_blockquote.fixed new file mode 100644 index 000000000000..9877991f183a --- /dev/null +++ b/tests/ui/doc/doc_lazy_blockquote.fixed @@ -0,0 +1,47 @@ +#![warn(clippy::doc_lazy_continuation)] + +/// > blockquote with +/// > lazy continuation +//~^ ERROR: doc quote missing `>` marker +fn first() {} + +/// > blockquote with no +/// > lazy continuation +fn first_nowarn() {} + +/// > blockquote with no +/// +/// lazy continuation +fn two_nowarn() {} + +/// > nest here +/// > +/// > > nest here +/// > > lazy continuation +//~^ ERROR: doc quote missing `>` marker +fn two() {} + +/// > nest here +/// > +/// > > nest here +/// > > lazy continuation +//~^ ERROR: doc quote missing `>` marker +fn three() {} + +/// > * > nest here +/// > > lazy continuation +//~^ ERROR: doc quote missing `>` marker +fn four() {} + +/// > * > nest here +/// > > lazy continuation +//~^ ERROR: doc quote missing `>` marker +fn four_point_1() {} + +/// * > nest here lazy continuation +fn five() {} + +/// 1. > nest here +/// > lazy continuation (this results in strange indentation, but still works) +//~^ ERROR: doc quote missing `>` marker +fn six() {} diff --git a/tests/ui/doc/doc_lazy_blockquote.rs b/tests/ui/doc/doc_lazy_blockquote.rs new file mode 100644 index 000000000000..587b2fdd533c --- /dev/null +++ b/tests/ui/doc/doc_lazy_blockquote.rs @@ -0,0 +1,47 @@ +#![warn(clippy::doc_lazy_continuation)] + +/// > blockquote with +/// lazy continuation +//~^ ERROR: doc quote missing `>` marker +fn first() {} + +/// > blockquote with no +/// > lazy continuation +fn first_nowarn() {} + +/// > blockquote with no +/// +/// lazy continuation +fn two_nowarn() {} + +/// > nest here +/// > +/// > > nest here +/// > lazy continuation +//~^ ERROR: doc quote missing `>` marker +fn two() {} + +/// > nest here +/// > +/// > > nest here +/// lazy continuation +//~^ ERROR: doc quote missing `>` marker +fn three() {} + +/// > * > nest here +/// lazy continuation +//~^ ERROR: doc quote missing `>` marker +fn four() {} + +/// > * > nest here +/// lazy continuation +//~^ ERROR: doc quote missing `>` marker +fn four_point_1() {} + +/// * > nest here lazy continuation +fn five() {} + +/// 1. > nest here +/// lazy continuation (this results in strange indentation, but still works) +//~^ ERROR: doc quote missing `>` marker +fn six() {} diff --git a/tests/ui/doc/doc_lazy_blockquote.stderr b/tests/ui/doc/doc_lazy_blockquote.stderr new file mode 100644 index 000000000000..975184a01c3f --- /dev/null +++ b/tests/ui/doc/doc_lazy_blockquote.stderr @@ -0,0 +1,76 @@ +error: doc quote missing `>` marker + --> tests/ui/doc/doc_lazy_blockquote.rs:4:5 + | +LL | /// lazy continuation + | ^ + | + = help: if this not intended to be a quote at all, escape it with `\>` + = note: `-D clippy::doc-lazy-continuation` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::doc_lazy_continuation)]` +help: add markers to start of line + | +LL | /// > lazy continuation + | + + +error: doc quote missing `>` marker + --> tests/ui/doc/doc_lazy_blockquote.rs:20:5 + | +LL | /// > lazy continuation + | ^^ + | + = help: if this not intended to be a quote at all, escape it with `\>` +help: add markers to start of line + | +LL | /// > > lazy continuation + | + + +error: doc quote missing `>` marker + --> tests/ui/doc/doc_lazy_blockquote.rs:27:5 + | +LL | /// lazy continuation + | ^ + | + = help: if this not intended to be a quote at all, escape it with `\>` +help: add markers to start of line + | +LL | /// > > lazy continuation + | +++ + +error: doc quote missing `>` marker + --> tests/ui/doc/doc_lazy_blockquote.rs:32:5 + | +LL | /// lazy continuation + | ^ + | + = help: if this not intended to be a quote at all, escape it with `\>` +help: add markers to start of line + | +LL | /// > > lazy continuation + | +++++++ + +error: doc quote missing `>` marker + --> tests/ui/doc/doc_lazy_blockquote.rs:37:5 + | +LL | /// lazy continuation + | ^ + | + = help: if this not intended to be a quote at all, escape it with `\>` +help: add markers to start of line + | +LL | /// > > lazy continuation + | +++++ + +error: doc quote missing `>` marker + --> tests/ui/doc/doc_lazy_blockquote.rs:45:5 + | +LL | /// lazy continuation (this results in strange indentation, but still works) + | ^ + | + = help: if this not intended to be a quote at all, escape it with `\>` +help: add markers to start of line + | +LL | /// > lazy continuation (this results in strange indentation, but still works) + | + + +error: aborting due to 6 previous errors + diff --git a/tests/ui/doc/doc_lazy_list.fixed b/tests/ui/doc/doc_lazy_list.fixed new file mode 100644 index 000000000000..e19371ea9aa2 --- /dev/null +++ b/tests/ui/doc/doc_lazy_list.fixed @@ -0,0 +1,42 @@ +#![warn(clippy::doc_lazy_continuation)] + +/// 1. nest here +/// lazy continuation +//~^ ERROR: doc list item missing indentation +fn one() {} + +/// 1. first line +/// lazy list continuations don't make warnings with this lint +//~^ ERROR: doc list item missing indentation +/// because they don't have the +//~^ ERROR: doc list item missing indentation +fn two() {} + +/// - nest here +/// lazy continuation +//~^ ERROR: doc list item missing indentation +fn three() {} + +/// - first line +/// lazy list continuations don't make warnings with this lint +//~^ ERROR: doc list item missing indentation +/// because they don't have the +//~^ ERROR: doc list item missing indentation +fn four() {} + +/// - nest here +/// lazy continuation +//~^ ERROR: doc list item missing indentation +fn five() {} + +/// - - first line +/// this will warn on the lazy continuation +//~^ ERROR: doc list item missing indentation +/// and so should this +//~^ ERROR: doc list item missing indentation +fn six() {} + +/// - - first line +/// +/// this is not a lazy continuation +fn seven() {} diff --git a/tests/ui/doc/doc_lazy_list.rs b/tests/ui/doc/doc_lazy_list.rs new file mode 100644 index 000000000000..fdfe9afaf1d7 --- /dev/null +++ b/tests/ui/doc/doc_lazy_list.rs @@ -0,0 +1,42 @@ +#![warn(clippy::doc_lazy_continuation)] + +/// 1. nest here +/// lazy continuation +//~^ ERROR: doc list item missing indentation +fn one() {} + +/// 1. first line +/// lazy list continuations don't make warnings with this lint +//~^ ERROR: doc list item missing indentation +/// because they don't have the +//~^ ERROR: doc list item missing indentation +fn two() {} + +/// - nest here +/// lazy continuation +//~^ ERROR: doc list item missing indentation +fn three() {} + +/// - first line +/// lazy list continuations don't make warnings with this lint +//~^ ERROR: doc list item missing indentation +/// because they don't have the +//~^ ERROR: doc list item missing indentation +fn four() {} + +/// - nest here +/// lazy continuation +//~^ ERROR: doc list item missing indentation +fn five() {} + +/// - - first line +/// this will warn on the lazy continuation +//~^ ERROR: doc list item missing indentation +/// and so should this +//~^ ERROR: doc list item missing indentation +fn six() {} + +/// - - first line +/// +/// this is not a lazy continuation +fn seven() {} diff --git a/tests/ui/doc/doc_lazy_list.stderr b/tests/ui/doc/doc_lazy_list.stderr new file mode 100644 index 000000000000..d0f6279f62d7 --- /dev/null +++ b/tests/ui/doc/doc_lazy_list.stderr @@ -0,0 +1,112 @@ +error: doc list item missing indentation + --> tests/ui/doc/doc_lazy_list.rs:4:5 + | +LL | /// lazy continuation + | ^ + | + = help: if this is supposed to be its own paragraph, add a blank line + = note: `-D clippy::doc-lazy-continuation` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::doc_lazy_continuation)]` +help: indent this line + | +LL | /// lazy continuation + | +++ + +error: doc list item missing indentation + --> tests/ui/doc/doc_lazy_list.rs:9:5 + | +LL | /// lazy list continuations don't make warnings with this lint + | ^ + | + = help: if this is supposed to be its own paragraph, add a blank line +help: indent this line + | +LL | /// lazy list continuations don't make warnings with this lint + | +++ + +error: doc list item missing indentation + --> tests/ui/doc/doc_lazy_list.rs:11:5 + | +LL | /// because they don't have the + | ^ + | + = help: if this is supposed to be its own paragraph, add a blank line +help: indent this line + | +LL | /// because they don't have the + | +++ + +error: doc list item missing indentation + --> tests/ui/doc/doc_lazy_list.rs:16:5 + | +LL | /// lazy continuation + | ^ + | + = help: if this is supposed to be its own paragraph, add a blank line +help: indent this line + | +LL | /// lazy continuation + | ++++ + +error: doc list item missing indentation + --> tests/ui/doc/doc_lazy_list.rs:21:5 + | +LL | /// lazy list continuations don't make warnings with this lint + | ^ + | + = help: if this is supposed to be its own paragraph, add a blank line +help: indent this line + | +LL | /// lazy list continuations don't make warnings with this lint + | ++++ + +error: doc list item missing indentation + --> tests/ui/doc/doc_lazy_list.rs:23:5 + | +LL | /// because they don't have the + | ^ + | + = help: if this is supposed to be its own paragraph, add a blank line +help: indent this line + | +LL | /// because they don't have the + | ++++ + +error: doc list item missing indentation + --> tests/ui/doc/doc_lazy_list.rs:28:5 + | +LL | /// lazy continuation + | ^ + | + = help: if this is supposed to be its own paragraph, add a blank line +help: indent this line + | +LL | /// lazy continuation + | ++++ + +error: doc list item missing indentation + --> tests/ui/doc/doc_lazy_list.rs:33:5 + | +LL | /// this will warn on the lazy continuation + | ^ + | + = help: if this is supposed to be its own paragraph, add a blank line +help: indent this line + | +LL | /// this will warn on the lazy continuation + | ++++++ + +error: doc list item missing indentation + --> tests/ui/doc/doc_lazy_list.rs:35:5 + | +LL | /// and so should this + | ^^^^ + | + = help: if this is supposed to be its own paragraph, add a blank line +help: indent this line + | +LL | /// and so should this + | ++ + +error: aborting due to 9 previous errors + From afedaf6a269027d5504acf898cbe1914ddf7672c Mon Sep 17 00:00:00 2001 From: Michael Howell Date: Mon, 6 May 2024 15:33:55 -0700 Subject: [PATCH 0063/1716] Update doc comments to avoid lazy continuations --- clippy_lints/src/casts/cast_sign_loss.rs | 4 ++++ clippy_lints/src/manual_clamp.rs | 7 +++++++ clippy_lints/src/methods/iter_filter.rs | 8 ++++---- clippy_lints/src/methods/iter_kv_map.rs | 2 ++ clippy_lints/src/methods/utils.rs | 1 + clippy_lints/src/needless_continue.rs | 3 +-- clippy_utils/src/lib.rs | 3 +++ clippy_utils/src/source.rs | 2 +- clippy_utils/src/sugg.rs | 3 +-- 9 files changed, 24 insertions(+), 9 deletions(-) diff --git a/clippy_lints/src/casts/cast_sign_loss.rs b/clippy_lints/src/casts/cast_sign_loss.rs index 2b6e17dc1030..864489ee3fcd 100644 --- a/clippy_lints/src/casts/cast_sign_loss.rs +++ b/clippy_lints/src/casts/cast_sign_loss.rs @@ -255,8 +255,10 @@ fn expr_add_sign(cx: &LateContext<'_>, expr: &Expr<'_>) -> Sign { /// Peels binary operators such as [`BinOpKind::Mul`], [`BinOpKind::Div`] or [`BinOpKind::Rem`], /// where the result depends on: +/// /// - the number of negative values in the entire expression, or /// - the number of negative values on the left hand side of the expression. +/// /// Ignores overflow. /// /// @@ -303,8 +305,10 @@ fn exprs_with_muldiv_binop_peeled<'e>(expr: &'e Expr<'_>) -> Vec<&'e Expr<'e>> { } /// Peels binary operators such as [`BinOpKind::Add`], where the result depends on: +/// /// - all the expressions being positive, or /// - all the expressions being negative. +/// /// Ignores overflow. /// /// Expressions using other operators are preserved, so we can try to evaluate them later. diff --git a/clippy_lints/src/manual_clamp.rs b/clippy_lints/src/manual_clamp.rs index 1eadc200bedc..e2ab44155182 100644 --- a/clippy_lints/src/manual_clamp.rs +++ b/clippy_lints/src/manual_clamp.rs @@ -611,15 +611,22 @@ impl<'tcx> BinaryOp<'tcx> { /// The clamp meta pattern is a pattern shared between many (but not all) patterns. /// In summary, this pattern consists of two if statements that meet many criteria, +/// /// - binary operators that are one of [`>`, `<`, `>=`, `<=`]. +/// /// - Both binary statements must have a shared argument +/// /// - Which can appear on the left or right side of either statement +/// /// - The binary operators must define a finite range for the shared argument. To put this in /// the terms of Rust `std` library, the following ranges are acceptable +/// /// - `Range` /// - `RangeInclusive` +/// /// And all other range types are not accepted. For the purposes of `clamp` it's irrelevant /// whether the range is inclusive or not, the output is the same. +/// /// - The result of each if statement must be equal to the argument unique to that if statement. The /// result can not be the shared argument in either case. fn is_clamp_meta_pattern<'tcx>( diff --git a/clippy_lints/src/methods/iter_filter.rs b/clippy_lints/src/methods/iter_filter.rs index 12647ea1ffcb..b93d51eac647 100644 --- a/clippy_lints/src/methods/iter_filter.rs +++ b/clippy_lints/src/methods/iter_filter.rs @@ -126,15 +126,15 @@ enum FilterType { /// /// How this is done: /// 1. we know that this is invoked in a method call with `filter` as the method name via `mod.rs` -/// 2. we check that we are in a trait method. Therefore we are in an -/// `(x as Iterator).filter({filter_arg})` method call. +/// 2. we check that we are in a trait method. Therefore we are in an `(x as +/// Iterator).filter({filter_arg})` method call. /// 3. we check that the parent expression is not a map. This is because we don't want to lint /// twice, and we already have a specialized lint for that. /// 4. we check that the span of the filter does not contain a comment. /// 5. we get the type of the `Item` in the `Iterator`, and compare against the type of Option and -/// Result. +/// Result. /// 6. we finally check the contents of the filter argument to see if it is a call to `is_some` or -/// `is_ok`. +/// `is_ok`. /// 7. if all of the above are true, then we return the `FilterType` fn expression_type( cx: &LateContext<'_>, diff --git a/clippy_lints/src/methods/iter_kv_map.rs b/clippy_lints/src/methods/iter_kv_map.rs index 7c852a3768d1..05e77386128f 100644 --- a/clippy_lints/src/methods/iter_kv_map.rs +++ b/clippy_lints/src/methods/iter_kv_map.rs @@ -12,8 +12,10 @@ use rustc_middle::ty; use rustc_span::{sym, Span}; /// lint use of: +/// /// - `hashmap.iter().map(|(_, v)| v)` /// - `hashmap.into_iter().map(|(_, v)| v)` +/// /// on `HashMaps` and `BTreeMaps` in std pub(super) fn check<'tcx>( diff --git a/clippy_lints/src/methods/utils.rs b/clippy_lints/src/methods/utils.rs index c50f24f824ab..34d7b9acbe4b 100644 --- a/clippy_lints/src/methods/utils.rs +++ b/clippy_lints/src/methods/utils.rs @@ -120,6 +120,7 @@ fn pat_bindings(pat: &Pat<'_>) -> Vec { /// operations performed on `binding_hir_ids` are: /// * to take non-mutable references to them /// * to use them as non-mutable `&self` in method calls +/// /// If any of `binding_hir_ids` is used in any other way, then `clone_or_copy_needed` will be true /// when `CloneOrCopyVisitor` is done visiting. struct CloneOrCopyVisitor<'cx, 'tcx> { diff --git a/clippy_lints/src/needless_continue.rs b/clippy_lints/src/needless_continue.rs index 8b4a12bb7664..b97cb4579ca7 100644 --- a/clippy_lints/src/needless_continue.rs +++ b/clippy_lints/src/needless_continue.rs @@ -178,8 +178,7 @@ impl EarlyLintPass for NeedlessContinue { /// Given an expression, returns true if either of the following is true /// /// - The expression is a `continue` node. -/// - The expression node is a block with the first statement being a -/// `continue`. +/// - The expression node is a block with the first statement being a `continue`. fn needless_continue_in_else(else_expr: &ast::Expr, label: Option<&ast::Label>) -> bool { match else_expr.kind { ast::ExprKind::Block(ref else_block, _) => is_first_block_stmt_continue(else_block, label), diff --git a/clippy_utils/src/lib.rs b/clippy_utils/src/lib.rs index 0ef732f9268c..1f7edabcf018 100644 --- a/clippy_utils/src/lib.rs +++ b/clippy_utils/src/lib.rs @@ -1513,15 +1513,18 @@ pub fn is_else_clause_in_let_else(tcx: TyCtxt<'_>, expr: &Expr<'_>) -> bool { } /// Checks whether the given `Expr` is a range equivalent to a `RangeFull`. +/// /// For the lower bound, this means that: /// - either there is none /// - or it is the smallest value that can be represented by the range's integer type +/// /// For the upper bound, this means that: /// - either there is none /// - or it is the largest value that can be represented by the range's integer type and is /// inclusive /// - or it is a call to some container's `len` method and is exclusive, and the range is passed to /// a method call on that same container (e.g. `v.drain(..v.len())`) +/// /// If the given `Expr` is not some kind of range, the function returns `false`. pub fn is_range_full(cx: &LateContext<'_>, expr: &Expr<'_>, container_path: Option<&Path<'_>>) -> bool { let ty = cx.typeck_results().expr_ty(expr); diff --git a/clippy_utils/src/source.rs b/clippy_utils/src/source.rs index a4a6f8e15f93..69f593fe04ac 100644 --- a/clippy_utils/src/source.rs +++ b/clippy_utils/src/source.rs @@ -250,7 +250,7 @@ pub fn snippet<'a, T: LintContext>(cx: &T, span: Span, default: &'a str) -> Cow< /// - Applicability level `Unspecified` will never be changed. /// - If the span is inside a macro, change the applicability level to `MaybeIncorrect`. /// - If the default value is used and the applicability level is `MachineApplicable`, change it to -/// `HasPlaceholders` +/// `HasPlaceholders` pub fn snippet_with_applicability<'a, T: LintContext>( cx: &T, span: Span, diff --git a/clippy_utils/src/sugg.rs b/clippy_utils/src/sugg.rs index 8d6057272c4e..1d49634aff3f 100644 --- a/clippy_utils/src/sugg.rs +++ b/clippy_utils/src/sugg.rs @@ -68,8 +68,7 @@ impl<'a> Sugg<'a> { /// - Applicability level `Unspecified` will never be changed. /// - If the span is inside a macro, change the applicability level to `MaybeIncorrect`. /// - If the default value is used and the applicability level is `MachineApplicable`, change it - /// to - /// `HasPlaceholders` + /// to `HasPlaceholders` pub fn hir_with_applicability( cx: &LateContext<'_>, expr: &hir::Expr<'_>, From 28d5115067c35a858af5248f0e7b4bc92380798d Mon Sep 17 00:00:00 2001 From: J-ZhengLi Date: Wed, 20 Sep 2023 19:05:37 +0800 Subject: [PATCH 0064/1716] add new lint that disallow renaming parameters in trait functions --- CHANGELOG.md | 1 + clippy_lints/src/declared_lints.rs | 1 + clippy_lints/src/functions/mod.rs | 34 ++++++++ .../src/functions/renamed_function_params.rs | 82 +++++++++++++++++++ tests/ui/renamed_function_params.rs | 68 +++++++++++++++ tests/ui/renamed_function_params.stderr | 60 ++++++++++++++ 6 files changed, 246 insertions(+) create mode 100644 clippy_lints/src/functions/renamed_function_params.rs create mode 100644 tests/ui/renamed_function_params.rs create mode 100644 tests/ui/renamed_function_params.stderr diff --git a/CHANGELOG.md b/CHANGELOG.md index 9c9ea1140814..ce2dda0cc2ac 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -5702,6 +5702,7 @@ Released 2018-09-13 [`ref_option_ref`]: https://rust-lang.github.io/rust-clippy/master/index.html#ref_option_ref [`ref_patterns`]: https://rust-lang.github.io/rust-clippy/master/index.html#ref_patterns [`regex_macro`]: https://rust-lang.github.io/rust-clippy/master/index.html#regex_macro +[`renamed_function_params`]: https://rust-lang.github.io/rust-clippy/master/index.html#renamed_function_params [`repeat_once`]: https://rust-lang.github.io/rust-clippy/master/index.html#repeat_once [`repeat_vec_with_capacity`]: https://rust-lang.github.io/rust-clippy/master/index.html#repeat_vec_with_capacity [`replace_consts`]: https://rust-lang.github.io/rust-clippy/master/index.html#replace_consts diff --git a/clippy_lints/src/declared_lints.rs b/clippy_lints/src/declared_lints.rs index 5ff7d8e51343..8da893faa402 100644 --- a/clippy_lints/src/declared_lints.rs +++ b/clippy_lints/src/declared_lints.rs @@ -205,6 +205,7 @@ pub(crate) static LINTS: &[&crate::LintInfo] = &[ crate::functions::MUST_USE_CANDIDATE_INFO, crate::functions::MUST_USE_UNIT_INFO, crate::functions::NOT_UNSAFE_PTR_ARG_DEREF_INFO, + crate::functions::RENAMED_FUNCTION_PARAMS_INFO, crate::functions::RESULT_LARGE_ERR_INFO, crate::functions::RESULT_UNIT_ERR_INFO, crate::functions::TOO_MANY_ARGUMENTS_INFO, diff --git a/clippy_lints/src/functions/mod.rs b/clippy_lints/src/functions/mod.rs index 9cc51fa8cd5d..387e0c964ccc 100644 --- a/clippy_lints/src/functions/mod.rs +++ b/clippy_lints/src/functions/mod.rs @@ -2,6 +2,7 @@ mod impl_trait_in_params; mod misnamed_getters; mod must_use; mod not_unsafe_ptr_arg_deref; +mod renamed_function_params; mod result; mod too_many_arguments; mod too_many_lines; @@ -359,6 +360,37 @@ declare_clippy_lint! { "`impl Trait` is used in the function's parameters" } +declare_clippy_lint! { + /// ### What it does + /// Lints when the name of function parameters from trait impl is + /// different than its default implementation. + /// + /// ### Why is this bad? + /// Using the default name for parameters of a trait method is often + /// more desirable for consistency's sake. + /// + /// ### Example + /// ```rust + /// impl From for String { + /// fn from(a: A) -> Self { + /// a.0.to_string() + /// } + /// } + /// ``` + /// Use instead: + /// ```rust + /// impl From for String { + /// fn from(value: A) -> Self { + /// value.0.to_string() + /// } + /// } + /// ``` + #[clippy::version = "1.74.0"] + pub RENAMED_FUNCTION_PARAMS, + restriction, + "renamed function parameters in trait implementation" +} + #[derive(Copy, Clone)] #[allow(clippy::struct_field_names)] pub struct Functions { @@ -395,6 +427,7 @@ impl_lint_pass!(Functions => [ RESULT_LARGE_ERR, MISNAMED_GETTERS, IMPL_TRAIT_IN_PARAMS, + RENAMED_FUNCTION_PARAMS, ]); impl<'tcx> LateLintPass<'tcx> for Functions { @@ -424,6 +457,7 @@ impl<'tcx> LateLintPass<'tcx> for Functions { must_use::check_impl_item(cx, item); result::check_impl_item(cx, item, self.large_error_threshold); impl_trait_in_params::check_impl_item(cx, item); + renamed_function_params::check_impl_item(cx, item); } fn check_trait_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx hir::TraitItem<'_>) { diff --git a/clippy_lints/src/functions/renamed_function_params.rs b/clippy_lints/src/functions/renamed_function_params.rs new file mode 100644 index 000000000000..4c0d5aba1122 --- /dev/null +++ b/clippy_lints/src/functions/renamed_function_params.rs @@ -0,0 +1,82 @@ +use clippy_utils::diagnostics::span_lint_and_help; +use rustc_hir::def_id::DefId; +use rustc_hir::hir_id::OwnerId; +use rustc_hir::{ImplItem, ImplItemKind, ItemKind, Node}; +use rustc_lint::LateContext; +use rustc_span::symbol::{Ident, Symbol}; +use rustc_span::Span; + +use super::RENAMED_FUNCTION_PARAMS; + +pub(super) fn check_impl_item(cx: &LateContext<'_>, item: &ImplItem<'_>) { + if let ImplItemKind::Fn(_, body_id) = item.kind && + let Some(did) = impled_item_def_id(cx, item.owner_id) + { + let mut param_idents_iter = cx.tcx.hir().body_param_names(body_id); + let mut default_param_idents_iter = cx.tcx.fn_arg_names(did).iter().copied(); + + let renames = renamed_params(&mut default_param_idents_iter, &mut param_idents_iter); + // FIXME: Should we use `MultiSpan` to combine output together? + // But how should we display help message if so. + for rename in renames { + span_lint_and_help( + cx, + RENAMED_FUNCTION_PARAMS, + rename.renamed_span, + "function parameter name was renamed from its trait default", + None, + &format!("consider changing the name to: '{}'", rename.default_name.as_str()) + ); + } + } +} + +struct RenamedParam { + renamed_span: Span, + default_name: Symbol, +} + +fn renamed_params(default_names: &mut I, current_names: &mut T) -> Vec +where + I: Iterator, + T: Iterator, +{ + let mut renamed = vec![]; + // FIXME: Should we stop if they have different length? + while let (Some(def_name), Some(cur_name)) = (default_names.next(), current_names.next()) { + let current_name = cur_name.name; + let default_name = def_name.name; + if is_ignored_or_empty_symbol(current_name) || is_ignored_or_empty_symbol(default_name) { + continue; + } + if current_name != default_name { + renamed.push(RenamedParam { + renamed_span: cur_name.span, + default_name, + }); + } + } + renamed +} + +fn is_ignored_or_empty_symbol(symbol: Symbol) -> bool { + let s = symbol.as_str(); + s.is_empty() || s.starts_with('_') +} + +fn impled_item_def_id(cx: &LateContext<'_>, impl_item_id: OwnerId) -> Option { + let trait_node = cx.tcx.hir().find_parent(impl_item_id.into())?; + if let Node::Item(item) = trait_node && + let ItemKind::Impl(impl_) = &item.kind + { + impl_.items.iter().find_map(|item| { + if item.id.owner_id == impl_item_id { + item.trait_item_def_id + } else { + None + } + }) + } else { + None + } +} diff --git a/tests/ui/renamed_function_params.rs b/tests/ui/renamed_function_params.rs new file mode 100644 index 000000000000..ccc11968bcc6 --- /dev/null +++ b/tests/ui/renamed_function_params.rs @@ -0,0 +1,68 @@ +#![warn(clippy::renamed_function_params)] +#![allow(clippy::partialeq_ne_impl)] +#![allow(unused)] + +use std::hash::{Hash, Hasher}; + +struct A; +impl From for String { + fn from(_value: A) -> Self { + String::new() + } +} +impl ToString for A { + fn to_string(&self) -> String { + String::new() + } +} + +struct B(u32); +impl From for String { + fn from(b: B) -> Self { + //~^ ERROR: function parameter name was renamed from its trait default + b.0.to_string() + } +} +impl PartialEq for B { + fn eq(&self, rhs: &Self) -> bool { + //~^ ERROR: function parameter name was renamed from its trait default + self.0 == rhs.0 + } + fn ne(&self, rhs: &Self) -> bool { + //~^ ERROR: function parameter name was renamed from its trait default + self.0 != rhs.0 + } +} + +trait MyTrait { + fn foo(&self, val: u8); + fn bar(a: u8, b: u8); + fn baz(self, _val: u8); +} + +impl MyTrait for B { + fn foo(&self, i_dont_wanna_use_your_name: u8) {} + //~^ ERROR: function parameter name was renamed from its trait default + fn bar(_a: u8, _b: u8) {} + fn baz(self, val: u8) {} +} + +impl Hash for B { + fn hash(&self, states: &mut H) { + //~^ ERROR: function parameter name was renamed from its trait default + self.0.hash(states); + } + fn hash_slice(date: &[Self], states: &mut H) { + //~^ ERROR: function parameter name was renamed from its trait default + for d in date { + d.hash(states); + } + } +} + +impl B { + fn totally_irrelevant(&self, right: bool) {} + fn some_fn(&self, other: impl MyTrait) {} +} + +fn main() {} diff --git a/tests/ui/renamed_function_params.stderr b/tests/ui/renamed_function_params.stderr new file mode 100644 index 000000000000..e42931a57b6c --- /dev/null +++ b/tests/ui/renamed_function_params.stderr @@ -0,0 +1,60 @@ +error: function parameter name was renamed from its trait default + --> $DIR/renamed_function_params.rs:21:13 + | +LL | fn from(b: B) -> Self { + | ^ + | + = help: consider changing the name to: 'value' + = note: `-D clippy::renamed-function-params` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::renamed_function_params)]` + +error: function parameter name was renamed from its trait default + --> $DIR/renamed_function_params.rs:27:18 + | +LL | fn eq(&self, rhs: &Self) -> bool { + | ^^^ + | + = help: consider changing the name to: 'other' + +error: function parameter name was renamed from its trait default + --> $DIR/renamed_function_params.rs:31:18 + | +LL | fn ne(&self, rhs: &Self) -> bool { + | ^^^ + | + = help: consider changing the name to: 'other' + +error: function parameter name was renamed from its trait default + --> $DIR/renamed_function_params.rs:44:19 + | +LL | fn foo(&self, i_dont_wanna_use_your_name: u8) {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: consider changing the name to: 'val' + +error: function parameter name was renamed from its trait default + --> $DIR/renamed_function_params.rs:51:31 + | +LL | fn hash(&self, states: &mut H) { + | ^^^^^^ + | + = help: consider changing the name to: 'state' + +error: function parameter name was renamed from its trait default + --> $DIR/renamed_function_params.rs:55:30 + | +LL | fn hash_slice(date: &[Self], states: &mut H) { + | ^^^^ + | + = help: consider changing the name to: 'data' + +error: function parameter name was renamed from its trait default + --> $DIR/renamed_function_params.rs:55:45 + | +LL | fn hash_slice(date: &[Self], states: &mut H) { + | ^^^^^^ + | + = help: consider changing the name to: 'state' + +error: aborting due to 7 previous errors + From 40ec76057295e0a517a888cb4347f86c32f7243a Mon Sep 17 00:00:00 2001 From: J-ZhengLi Date: Thu, 28 Mar 2024 16:29:52 +0800 Subject: [PATCH 0065/1716] fix doc test failure; apply review suggestions by @Centri3: use multi suggestion; change output message format; add macro expansion check & tests; --- clippy_lints/src/functions/mod.rs | 4 + .../src/functions/renamed_function_params.rs | 106 +++++++++++------- tests/ui/renamed_function_params.rs | 57 ++++++++-- tests/ui/renamed_function_params.stderr | 60 +++++----- 4 files changed, 142 insertions(+), 85 deletions(-) diff --git a/clippy_lints/src/functions/mod.rs b/clippy_lints/src/functions/mod.rs index 387e0c964ccc..9a09dbaed4ad 100644 --- a/clippy_lints/src/functions/mod.rs +++ b/clippy_lints/src/functions/mod.rs @@ -371,6 +371,8 @@ declare_clippy_lint! { /// /// ### Example /// ```rust + /// struct A(u32); + /// /// impl From for String { /// fn from(a: A) -> Self { /// a.0.to_string() @@ -379,6 +381,8 @@ declare_clippy_lint! { /// ``` /// Use instead: /// ```rust + /// struct A(u32); + /// /// impl From for String { /// fn from(value: A) -> Self { /// value.0.to_string() diff --git a/clippy_lints/src/functions/renamed_function_params.rs b/clippy_lints/src/functions/renamed_function_params.rs index 4c0d5aba1122..cea76996f052 100644 --- a/clippy_lints/src/functions/renamed_function_params.rs +++ b/clippy_lints/src/functions/renamed_function_params.rs @@ -1,73 +1,93 @@ -use clippy_utils::diagnostics::span_lint_and_help; +use clippy_utils::diagnostics::span_lint_and_then; +use rustc_errors::{Applicability, MultiSpan}; use rustc_hir::def_id::DefId; use rustc_hir::hir_id::OwnerId; use rustc_hir::{ImplItem, ImplItemKind, ItemKind, Node}; use rustc_lint::LateContext; -use rustc_span::symbol::{Ident, Symbol}; +use rustc_span::symbol::{kw, Ident, Symbol}; use rustc_span::Span; use super::RENAMED_FUNCTION_PARAMS; pub(super) fn check_impl_item(cx: &LateContext<'_>, item: &ImplItem<'_>) { - if let ImplItemKind::Fn(_, body_id) = item.kind && - let Some(did) = impled_item_def_id(cx, item.owner_id) + if !item.span.from_expansion() + && let ImplItemKind::Fn(_, body_id) = item.kind + && let Some(did) = trait_item_def_id_of_impl(cx, item.owner_id) { let mut param_idents_iter = cx.tcx.hir().body_param_names(body_id); let mut default_param_idents_iter = cx.tcx.fn_arg_names(did).iter().copied(); - let renames = renamed_params(&mut default_param_idents_iter, &mut param_idents_iter); - // FIXME: Should we use `MultiSpan` to combine output together? - // But how should we display help message if so. - for rename in renames { - span_lint_and_help( + let renames = RenamedFnArgs::new(&mut default_param_idents_iter, &mut param_idents_iter); + if !renames.0.is_empty() { + let multi_span = renames.multi_span(); + let plural = if renames.0.len() == 1 { "" } else { "s" }; + span_lint_and_then( cx, RENAMED_FUNCTION_PARAMS, - rename.renamed_span, - "function parameter name was renamed from its trait default", - None, - &format!("consider changing the name to: '{}'", rename.default_name.as_str()) + multi_span, + &format!("renamed function parameter{plural} of trait impl"), + |diag| { + diag.multipart_suggestion( + format!("consider using the default name{plural}"), + renames.0, + Applicability::Unspecified, + ); + }, ); } } } -struct RenamedParam { - renamed_span: Span, - default_name: Symbol, -} +struct RenamedFnArgs(Vec<(Span, String)>); -fn renamed_params(default_names: &mut I, current_names: &mut T) -> Vec -where - I: Iterator, - T: Iterator, -{ - let mut renamed = vec![]; - // FIXME: Should we stop if they have different length? - while let (Some(def_name), Some(cur_name)) = (default_names.next(), current_names.next()) { - let current_name = cur_name.name; - let default_name = def_name.name; - if is_ignored_or_empty_symbol(current_name) || is_ignored_or_empty_symbol(default_name) { - continue; - } - if current_name != default_name { - renamed.push(RenamedParam { - renamed_span: cur_name.span, - default_name, - }); +impl RenamedFnArgs { + /// Comparing between an iterator of default names and one with current names, + /// then collect the ones that got renamed. + fn new(default_names: &mut I, current_names: &mut T) -> Self + where + I: Iterator, + T: Iterator, + { + let mut renamed: Vec<(Span, String)> = vec![]; + + debug_assert!(default_names.size_hint() == current_names.size_hint()); + while let (Some(def_name), Some(cur_name)) = (default_names.next(), current_names.next()) { + let current_name = cur_name.name; + let default_name = def_name.name; + if is_unused_or_empty_symbol(current_name) || is_unused_or_empty_symbol(default_name) { + continue; + } + if current_name != default_name { + renamed.push((cur_name.span, default_name.to_string())); + } } + + Self(renamed) + } + + fn multi_span(&self) -> MultiSpan { + self.0 + .iter() + .map(|(span, _)| span) + .copied() + .collect::>() + .into() } - renamed } -fn is_ignored_or_empty_symbol(symbol: Symbol) -> bool { - let s = symbol.as_str(); - s.is_empty() || s.starts_with('_') +fn is_unused_or_empty_symbol(symbol: Symbol) -> bool { + // FIXME: `body_param_names` currently returning empty symbols for `wild` as well, + // so we need to check if the symbol is empty first. + // Therefore the check of whether it's equal to [`kw::Underscore`] has no use for now, + // but it would be nice to keep it here just to be future-proof. + symbol.is_empty() || symbol == kw::Underscore || symbol.as_str().starts_with('_') } -fn impled_item_def_id(cx: &LateContext<'_>, impl_item_id: OwnerId) -> Option { - let trait_node = cx.tcx.hir().find_parent(impl_item_id.into())?; - if let Node::Item(item) = trait_node && - let ItemKind::Impl(impl_) = &item.kind +/// Get the [`trait_item_def_id`](rustc_hir::hir::ImplItemRef::trait_item_def_id) of an impl item. +fn trait_item_def_id_of_impl(cx: &LateContext<'_>, impl_item_id: OwnerId) -> Option { + let trait_node = cx.tcx.parent_hir_node(impl_item_id.into()); + if let Node::Item(item) = trait_node + && let ItemKind::Impl(impl_) = &item.kind { impl_.items.iter().find_map(|item| { if item.id.owner_id == impl_item_id { diff --git a/tests/ui/renamed_function_params.rs b/tests/ui/renamed_function_params.rs index ccc11968bcc6..4f06ae706dde 100644 --- a/tests/ui/renamed_function_params.rs +++ b/tests/ui/renamed_function_params.rs @@ -1,5 +1,6 @@ +//@no-rustfix #![warn(clippy::renamed_function_params)] -#![allow(clippy::partialeq_ne_impl)] +#![allow(clippy::partialeq_ne_impl, clippy::to_string_trait_impl)] #![allow(unused)] use std::hash::{Hash, Hasher}; @@ -19,17 +20,17 @@ impl ToString for A { struct B(u32); impl From for String { fn from(b: B) -> Self { - //~^ ERROR: function parameter name was renamed from its trait default + //~^ ERROR: renamed function parameter of trait impl b.0.to_string() } } impl PartialEq for B { fn eq(&self, rhs: &Self) -> bool { - //~^ ERROR: function parameter name was renamed from its trait default + //~^ ERROR: renamed function parameter of trait impl self.0 == rhs.0 } fn ne(&self, rhs: &Self) -> bool { - //~^ ERROR: function parameter name was renamed from its trait default + //~^ ERROR: renamed function parameter of trait impl self.0 != rhs.0 } } @@ -38,22 +39,24 @@ trait MyTrait { fn foo(&self, val: u8); fn bar(a: u8, b: u8); fn baz(self, _val: u8); + fn quz(&self, _: u8); } impl MyTrait for B { fn foo(&self, i_dont_wanna_use_your_name: u8) {} - //~^ ERROR: function parameter name was renamed from its trait default - fn bar(_a: u8, _b: u8) {} + //~^ ERROR: renamed function parameter of trait impl + fn bar(_a: u8, _: u8) {} fn baz(self, val: u8) {} + fn quz(&self, val: u8) {} } impl Hash for B { fn hash(&self, states: &mut H) { - //~^ ERROR: function parameter name was renamed from its trait default + //~^ ERROR: renamed function parameter of trait impl self.0.hash(states); } fn hash_slice(date: &[Self], states: &mut H) { - //~^ ERROR: function parameter name was renamed from its trait default + //~^ ERROR: renamed function parameters of trait impl for d in date { d.hash(states); } @@ -65,4 +68,42 @@ impl B { fn some_fn(&self, other: impl MyTrait) {} } +#[derive(Copy, Clone)] +enum C { + A, + B(u32), +} + +impl std::ops::Add for C { + type Output = C; + fn add(self, b: B) -> C { + //~^ ERROR: renamed function parameter of trait impl + C::B(b.0) + } +} + +impl From for C { + fn from(_: A) -> C { + C::A + } +} + +trait CustomTraitA { + fn foo(&self, other: u32); +} +trait CustomTraitB { + fn bar(&self, value: u8); +} + +macro_rules! impl_trait { + ($impl_for:ident, $tr:ty, $fn_name:ident, $t:ty) => { + impl $tr for $impl_for { + fn $fn_name(&self, v: $t) {} + } + }; +} + +impl_trait!(C, CustomTraitA, foo, u32); +impl_trait!(C, CustomTraitB, bar, u8); + fn main() {} diff --git a/tests/ui/renamed_function_params.stderr b/tests/ui/renamed_function_params.stderr index e42931a57b6c..7193541edb62 100644 --- a/tests/ui/renamed_function_params.stderr +++ b/tests/ui/renamed_function_params.stderr @@ -1,60 +1,52 @@ -error: function parameter name was renamed from its trait default - --> $DIR/renamed_function_params.rs:21:13 +error: renamed function parameter of trait impl + --> tests/ui/renamed_function_params.rs:22:13 | LL | fn from(b: B) -> Self { - | ^ + | ^ help: consider using the default name: `value` | - = help: consider changing the name to: 'value' = note: `-D clippy::renamed-function-params` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::renamed_function_params)]` -error: function parameter name was renamed from its trait default - --> $DIR/renamed_function_params.rs:27:18 +error: renamed function parameter of trait impl + --> tests/ui/renamed_function_params.rs:28:18 | LL | fn eq(&self, rhs: &Self) -> bool { - | ^^^ - | - = help: consider changing the name to: 'other' + | ^^^ help: consider using the default name: `other` -error: function parameter name was renamed from its trait default - --> $DIR/renamed_function_params.rs:31:18 +error: renamed function parameter of trait impl + --> tests/ui/renamed_function_params.rs:32:18 | LL | fn ne(&self, rhs: &Self) -> bool { - | ^^^ - | - = help: consider changing the name to: 'other' + | ^^^ help: consider using the default name: `other` -error: function parameter name was renamed from its trait default - --> $DIR/renamed_function_params.rs:44:19 +error: renamed function parameter of trait impl + --> tests/ui/renamed_function_params.rs:46:19 | LL | fn foo(&self, i_dont_wanna_use_your_name: u8) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = help: consider changing the name to: 'val' + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using the default name: `val` -error: function parameter name was renamed from its trait default - --> $DIR/renamed_function_params.rs:51:31 +error: renamed function parameter of trait impl + --> tests/ui/renamed_function_params.rs:54:31 | LL | fn hash(&self, states: &mut H) { - | ^^^^^^ - | - = help: consider changing the name to: 'state' + | ^^^^^^ help: consider using the default name: `state` -error: function parameter name was renamed from its trait default - --> $DIR/renamed_function_params.rs:55:30 +error: renamed function parameters of trait impl + --> tests/ui/renamed_function_params.rs:58:30 | LL | fn hash_slice(date: &[Self], states: &mut H) { - | ^^^^ + | ^^^^ ^^^^^^ | - = help: consider changing the name to: 'data' +help: consider using the default names + | +LL | fn hash_slice(data: &[Self], state: &mut H) { + | ~~~~ ~~~~~ -error: function parameter name was renamed from its trait default - --> $DIR/renamed_function_params.rs:55:45 +error: renamed function parameter of trait impl + --> tests/ui/renamed_function_params.rs:79:18 | -LL | fn hash_slice(date: &[Self], states: &mut H) { - | ^^^^^^ - | - = help: consider changing the name to: 'state' +LL | fn add(self, b: B) -> C { + | ^ help: consider using the default name: `rhs` error: aborting due to 7 previous errors From a8c35cbbda8bc274cd41146a44956fcb691e6277 Mon Sep 17 00:00:00 2001 From: cocodery Date: Tue, 7 May 2024 16:07:13 +0800 Subject: [PATCH 0066/1716] Check inner caller for clone and judge whether they are mutable if immutbale -> lint delete redudant clone if mutable -> lint check whether clone is needed --- .../src/methods/unnecessary_iter_cloned.rs | 53 ++++++++++++++++++- tests/ui/unnecessary_iter_cloned.fixed | 32 +++++++++++ tests/ui/unnecessary_iter_cloned.rs | 32 +++++++++++ tests/ui/unnecessary_iter_cloned.stderr | 4 +- 4 files changed, 117 insertions(+), 4 deletions(-) diff --git a/clippy_lints/src/methods/unnecessary_iter_cloned.rs b/clippy_lints/src/methods/unnecessary_iter_cloned.rs index 520dcb2d52dc..7431dc1cf0b1 100644 --- a/clippy_lints/src/methods/unnecessary_iter_cloned.rs +++ b/clippy_lints/src/methods/unnecessary_iter_cloned.rs @@ -3,10 +3,12 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::higher::ForLoop; use clippy_utils::source::snippet_opt; use clippy_utils::ty::{get_iterator_item_ty, implements_trait}; -use clippy_utils::{fn_def_id, get_parent_expr}; +use clippy_utils::visitors::for_each_expr; +use clippy_utils::{can_mut_borrow_both, fn_def_id, get_parent_expr, path_to_local}; +use core::ops::ControlFlow; use rustc_errors::Applicability; use rustc_hir::def_id::DefId; -use rustc_hir::{Expr, ExprKind}; +use rustc_hir::{BindingMode, Expr, ExprKind, Node, PatKind}; use rustc_lint::LateContext; use rustc_span::{sym, Symbol}; @@ -40,6 +42,53 @@ pub fn check_for_loop_iter( && !clone_or_copy_needed && let Some(receiver_snippet) = snippet_opt(cx, receiver.span) { + // Issue 12098 + // https://github.com/rust-lang/rust-clippy/issues/12098 + // if the assignee have `mut borrow` conflict with the iteratee + // the lint should not execute, former didn't consider the mut case + + // check whether `expr` is mutable + fn is_mutable(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { + if let Some(hir_id) = path_to_local(expr) + && let Node::Pat(pat) = cx.tcx.hir_node(hir_id) + { + matches!(pat.kind, PatKind::Binding(BindingMode::MUT, ..)) + } else { + true + } + } + + fn is_caller_or_fields_change(cx: &LateContext<'_>, body: &Expr<'_>, caller: &Expr<'_>) -> bool { + let mut change = false; + if let ExprKind::Block(block, ..) = body.kind { + for_each_expr(block, |e| { + match e.kind { + ExprKind::Assign(assignee, _, _) | ExprKind::AssignOp(_, assignee, _) => { + change |= !can_mut_borrow_both(cx, caller, assignee); + }, + _ => {}, + } + // the return value has no effect but the function need one return value + ControlFlow::<()>::Continue(()) + }); + } + change + } + + if let ExprKind::Call(_, [child, ..]) = expr.kind { + // filter first layer of iterator + let mut child = child; + // get inner real caller requests for clone + while let ExprKind::MethodCall(_, caller, _, _) = child.kind { + child = caller; + } + if is_mutable(cx, child) && is_caller_or_fields_change(cx, body, child) { + // skip lint + return true; + } + }; + + // the lint should not be executed if no violation happens let snippet = if let ExprKind::MethodCall(maybe_iter_method_name, collection, [], _) = receiver.kind && maybe_iter_method_name.ident.name == sym::iter && let Some(iterator_trait_id) = cx.tcx.get_diagnostic_item(sym::Iterator) diff --git a/tests/ui/unnecessary_iter_cloned.fixed b/tests/ui/unnecessary_iter_cloned.fixed index ad0e5fab029e..2c582c90ba8c 100644 --- a/tests/ui/unnecessary_iter_cloned.fixed +++ b/tests/ui/unnecessary_iter_cloned.fixed @@ -21,6 +21,8 @@ fn main() { let _ = check_files_ref_mut(&[(FileType::Account, path)]); let _ = check_files_self_and_arg(&[(FileType::Account, path)]); let _ = check_files_mut_path_buf(&[(FileType::Account, std::path::PathBuf::new())]); + + check_mut_iteratee_and_modify_inner_variable(); } // `check_files` and its variants are based on: @@ -138,3 +140,33 @@ fn check_files_mut_path_buf(files: &[(FileType, std::path::PathBuf)]) -> bool { fn get_file_path(_file_type: &FileType) -> Result { Ok(std::path::PathBuf::new()) } + +// Issue 12098 +// https://github.com/rust-lang/rust-clippy/issues/12098 +// no message emits +fn check_mut_iteratee_and_modify_inner_variable() { + struct Test { + list: Vec, + mut_this: bool, + } + + impl Test { + fn list(&self) -> &[String] { + &self.list + } + } + + let mut test = Test { + list: vec![String::from("foo"), String::from("bar")], + mut_this: false, + }; + + for _item in test.list().to_vec() { + println!("{}", _item); + + test.mut_this = true; + { + test.mut_this = true; + } + } +} diff --git a/tests/ui/unnecessary_iter_cloned.rs b/tests/ui/unnecessary_iter_cloned.rs index d3d59c4c70f5..a28ccd1efef2 100644 --- a/tests/ui/unnecessary_iter_cloned.rs +++ b/tests/ui/unnecessary_iter_cloned.rs @@ -21,6 +21,8 @@ fn main() { let _ = check_files_ref_mut(&[(FileType::Account, path)]); let _ = check_files_self_and_arg(&[(FileType::Account, path)]); let _ = check_files_mut_path_buf(&[(FileType::Account, std::path::PathBuf::new())]); + + check_mut_iteratee_and_modify_inner_variable(); } // `check_files` and its variants are based on: @@ -138,3 +140,33 @@ fn check_files_mut_path_buf(files: &[(FileType, std::path::PathBuf)]) -> bool { fn get_file_path(_file_type: &FileType) -> Result { Ok(std::path::PathBuf::new()) } + +// Issue 12098 +// https://github.com/rust-lang/rust-clippy/issues/12098 +// no message emits +fn check_mut_iteratee_and_modify_inner_variable() { + struct Test { + list: Vec, + mut_this: bool, + } + + impl Test { + fn list(&self) -> &[String] { + &self.list + } + } + + let mut test = Test { + list: vec![String::from("foo"), String::from("bar")], + mut_this: false, + }; + + for _item in test.list().to_vec() { + println!("{}", _item); + + test.mut_this = true; + { + test.mut_this = true; + } + } +} diff --git a/tests/ui/unnecessary_iter_cloned.stderr b/tests/ui/unnecessary_iter_cloned.stderr index 9d3591e0dbfc..fb98cfddc262 100644 --- a/tests/ui/unnecessary_iter_cloned.stderr +++ b/tests/ui/unnecessary_iter_cloned.stderr @@ -1,5 +1,5 @@ error: unnecessary use of `copied` - --> tests/ui/unnecessary_iter_cloned.rs:29:22 + --> tests/ui/unnecessary_iter_cloned.rs:31:22 | LL | for (t, path) in files.iter().copied() { | ^^^^^^^^^^^^^^^^^^^^^ @@ -17,7 +17,7 @@ LL + let other = match get_file_path(t) { | error: unnecessary use of `copied` - --> tests/ui/unnecessary_iter_cloned.rs:44:22 + --> tests/ui/unnecessary_iter_cloned.rs:46:22 | LL | for (t, path) in files.iter().copied() { | ^^^^^^^^^^^^^^^^^^^^^ From 096a08e6039ef681ad2ad1d63ddd31d6b7480dd0 Mon Sep 17 00:00:00 2001 From: Keith Smiley Date: Fri, 17 Nov 2023 10:48:12 -0800 Subject: [PATCH 0067/1716] Remove unnecessary -fembed-bitcode usage now that it's deprecated This is a partial revert of 6d819a4b8f45b170e7c2c415df20cfa2e0cbbf7f because https://github.com/rust-lang/cc-rs/pull/812 removed this flag entirely, meaning we shouldn't have to pass this manually anymore --- src/bootstrap/src/core/build_steps/llvm.rs | 14 ++------------ 1 file changed, 2 insertions(+), 12 deletions(-) diff --git a/src/bootstrap/src/core/build_steps/llvm.rs b/src/bootstrap/src/core/build_steps/llvm.rs index 3af1a05caa82..8ca7af2febee 100644 --- a/src/bootstrap/src/core/build_steps/llvm.rs +++ b/src/bootstrap/src/core/build_steps/llvm.rs @@ -508,7 +508,7 @@ impl Step for Llvm { cfg.define("LLVM_VERSION_SUFFIX", suffix); } - configure_cmake(builder, target, &mut cfg, true, ldflags, &[], &[]); + configure_cmake(builder, target, &mut cfg, true, ldflags, &[]); configure_llvm(builder, target, &mut cfg); for (key, val) in &builder.config.llvm_build_config { @@ -597,7 +597,6 @@ fn configure_cmake( cfg: &mut cmake::Config, use_compiler_launcher: bool, mut ldflags: LdFlags, - extra_compiler_flags: &[&str], suppressed_compiler_flag_prefixes: &[&str], ) { // Do not print installation messages for up-to-date files. @@ -751,9 +750,6 @@ fn configure_cmake( if builder.config.llvm_clang_cl.is_some() { cflags.push(&format!(" --target={target}")); } - for flag in extra_compiler_flags { - cflags.push(&format!(" {flag}")); - } cfg.define("CMAKE_C_FLAGS", cflags); let mut cxxflags: OsString = builder .cflags(target, GitRepo::Llvm, CLang::Cxx) @@ -773,9 +769,6 @@ fn configure_cmake( if builder.config.llvm_clang_cl.is_some() { cxxflags.push(&format!(" --target={target}")); } - for flag in extra_compiler_flags { - cxxflags.push(&format!(" {flag}")); - } cfg.define("CMAKE_CXX_FLAGS", cxxflags); if let Some(ar) = builder.ar(target) { if ar.is_absolute() { @@ -944,7 +937,7 @@ impl Step for Lld { ldflags.push_all("-Wl,-rpath,'$ORIGIN/../../../'"); } - configure_cmake(builder, target, &mut cfg, true, ldflags, &[], &[]); + configure_cmake(builder, target, &mut cfg, true, ldflags, &[]); configure_llvm(builder, target, &mut cfg); // Re-use the same flags as llvm to control the level of debug information @@ -1043,8 +1036,6 @@ impl Step for Sanitizers { // Unfortunately sccache currently lacks support to build them successfully. // Disable compiler launcher on Darwin targets to avoid potential issues. let use_compiler_launcher = !self.target.contains("apple-darwin"); - let extra_compiler_flags: &[&str] = - if self.target.contains("apple") { &["-fembed-bitcode=off"] } else { &[] }; // Since v1.0.86, the cc crate adds -mmacosx-version-min to the default // flags on MacOS. A long-standing bug in the CMake rules for compiler-rt // causes architecture detection to be skipped when this flag is present, @@ -1057,7 +1048,6 @@ impl Step for Sanitizers { &mut cfg, use_compiler_launcher, LdFlags::default(), - extra_compiler_flags, suppressed_compiler_flag_prefixes, ); From ffe8510e3d989f35163ac5406af82e1c9dd8f769 Mon Sep 17 00:00:00 2001 From: Markus Everling Date: Thu, 11 Apr 2024 15:31:10 +0000 Subject: [PATCH 0068/1716] Fix `VecDeque::shrink_to` UB when `handle_alloc_error` unwinds. Luckily it's comparatively simple to just restore the `VecDeque` into a valid state on unwinds. --- .../alloc/src/collections/vec_deque/mod.rs | 66 ++++++++++++++++++- .../alloc/src/collections/vec_deque/tests.rs | 55 +++++++++++++++- library/alloc/src/lib.rs | 1 + 3 files changed, 120 insertions(+), 2 deletions(-) diff --git a/library/alloc/src/collections/vec_deque/mod.rs b/library/alloc/src/collections/vec_deque/mod.rs index 4643a6bbe2ec..61d05afccfd1 100644 --- a/library/alloc/src/collections/vec_deque/mod.rs +++ b/library/alloc/src/collections/vec_deque/mod.rs @@ -982,6 +982,8 @@ impl VecDeque { // `head` and `len` are at most `isize::MAX` and `target_cap < self.capacity()`, so nothing can // overflow. let tail_outside = (target_cap + 1..=self.capacity()).contains(&(self.head + self.len)); + // Used in the drop guard below. + let old_head = self.head; if self.len == 0 { self.head = 0; @@ -1034,12 +1036,74 @@ impl VecDeque { } self.head = new_head; } - self.buf.shrink_to_fit(target_cap); + + struct Guard<'a, T, A: Allocator> { + deque: &'a mut VecDeque, + old_head: usize, + target_cap: usize, + } + + impl Drop for Guard<'_, T, A> { + #[cold] + fn drop(&mut self) { + unsafe { + // SAFETY: This is only called if `buf.shrink_to_fit` unwinds, + // which is the only time it's safe to call `abort_shrink`. + self.deque.abort_shrink(self.old_head, self.target_cap) + } + } + } + + let guard = Guard { deque: self, old_head, target_cap }; + + guard.deque.buf.shrink_to_fit(target_cap); + + // Don't drop the guard if we didn't unwind. + mem::forget(guard); debug_assert!(self.head < self.capacity() || self.capacity() == 0); debug_assert!(self.len <= self.capacity()); } + /// Reverts the deque back into a consistent state in case `shrink_to` failed. + /// This is necessary to prevent UB if the backing allocator returns an error + /// from `shrink` and `handle_alloc_error` subsequently unwinds (see #123369). + /// + /// `old_head` refers to the head index before `shrink_to` was called. `target_cap` + /// is the capacity that it was trying to shrink to. + unsafe fn abort_shrink(&mut self, old_head: usize, target_cap: usize) { + // Moral equivalent of self.head + self.len <= target_cap. Won't overflow + // because `self.len <= target_cap`. + if self.head <= target_cap - self.len { + // The deque's buffer is contiguous, so no need to copy anything around. + return; + } + + // `shrink_to` already copied the head to fit into the new capacity, so this won't overflow. + let head_len = target_cap - self.head; + // `self.head > target_cap - self.len` => `self.len > target_cap - self.head =: head_len` so this must be positive. + let tail_len = self.len - head_len; + + if tail_len <= cmp::min(head_len, self.capacity() - target_cap) { + // There's enough spare capacity to copy the tail to the back (because `tail_len < self.capacity() - target_cap`), + // and copying the tail should be cheaper than copying the head (because `tail_len <= head_len`). + + unsafe { + // The old tail and the new tail can't overlap because the head slice lies between them. The + // head slice ends at `target_cap`, so that's where we copy to. + self.copy_nonoverlapping(0, target_cap, tail_len); + } + } else { + // Either there's not enough spare capacity to make the deque contiguous, or the head is shorter than the tail + // (and therefore hopefully cheaper to copy). + unsafe { + // The old and the new head slice can overlap, so we can't use `copy_nonoverlapping` here. + self.copy(self.head, old_head, head_len); + self.head = old_head; + } + } + } + /// Shortens the deque, keeping the first `len` elements and dropping /// the rest. /// diff --git a/library/alloc/src/collections/vec_deque/tests.rs b/library/alloc/src/collections/vec_deque/tests.rs index f8ce4ca97884..5329ad1aed5c 100644 --- a/library/alloc/src/collections/vec_deque/tests.rs +++ b/library/alloc/src/collections/vec_deque/tests.rs @@ -1,4 +1,11 @@ -use core::iter::TrustedLen; +#![feature(alloc_error_hook)] + +use crate::alloc::{AllocError, Layout}; +use core::{iter::TrustedLen, ptr::NonNull}; +use std::{ + alloc::{set_alloc_error_hook, take_alloc_error_hook, System}, + panic::{catch_unwind, AssertUnwindSafe}, +}; use super::*; @@ -790,6 +797,52 @@ fn test_shrink_to() { } } +#[test] +fn test_shrink_to_unwind() { + // This tests that `shrink_to` leaves the deque in a consistent state when + // the call to `RawVec::shrink_to_fit` unwinds. The code is adapted from #123369 + // but changed to hopefully not have any UB even if the test fails. + + struct BadAlloc; + + unsafe impl Allocator for BadAlloc { + fn allocate(&self, l: Layout) -> Result, AllocError> { + // We allocate zeroed here so that the whole buffer of the deque + // is always initialized. That way, even if the deque is left in + // an inconsistent state, no uninitialized memory should be accessed. + System.allocate_zeroed(l) + } + + unsafe fn deallocate(&self, ptr: NonNull, layout: Layout) { + unsafe { System.deallocate(ptr, layout) } + } + + unsafe fn shrink( + &self, + _ptr: NonNull, + _old_layout: Layout, + _new_layout: Layout, + ) -> Result, AllocError> { + Err(AllocError) + } + } + + // preserve the old error hook just in case. + let old_error_hook = take_alloc_error_hook(); + set_alloc_error_hook(|_| panic!("alloc error")); + + let mut v = VecDeque::with_capacity_in(15, BadAlloc); + v.push_back(1); + v.push_front(2); + // This should unwind because it calls `BadAlloc::shrink` and then `handle_alloc_error` which unwinds. + assert!(catch_unwind(AssertUnwindSafe(|| v.shrink_to_fit())).is_err()); + // This should only pass if the deque is left in a consistent state. + assert_eq!(v, [2, 1]); + + // restore the old error hook. + set_alloc_error_hook(old_error_hook); +} + #[test] fn test_shrink_to_fit() { // This test checks that every single combination of head and tail position, diff --git a/library/alloc/src/lib.rs b/library/alloc/src/lib.rs index 91b83cfe011f..d607926f8d49 100644 --- a/library/alloc/src/lib.rs +++ b/library/alloc/src/lib.rs @@ -92,6 +92,7 @@ // tidy-alphabetical-start #![cfg_attr(not(no_global_oom_handling), feature(const_alloc_error))] #![cfg_attr(not(no_global_oom_handling), feature(const_btree_len))] +#![cfg_attr(test, feature(alloc_error_hook))] #![cfg_attr(test, feature(is_sorted))] #![cfg_attr(test, feature(new_uninit))] #![feature(alloc_layout_extra)] From 5cb53bc34d462a59629e5430cf2e29fe6820c550 Mon Sep 17 00:00:00 2001 From: Markus Everling Date: Tue, 7 May 2024 19:43:54 +0000 Subject: [PATCH 0069/1716] Move `test_shrink_to_unwind` to its own file. This way, no other test can be tripped up by `test_shrink_to_unwind` changing the alloc error hook. --- library/alloc/Cargo.toml | 4 ++ .../alloc/src/collections/vec_deque/tests.rs | 55 +------------------ library/alloc/src/lib.rs | 1 - library/alloc/tests/vec_deque_alloc_error.rs | 49 +++++++++++++++++ 4 files changed, 54 insertions(+), 55 deletions(-) create mode 100644 library/alloc/tests/vec_deque_alloc_error.rs diff --git a/library/alloc/Cargo.toml b/library/alloc/Cargo.toml index e8afed6b35a8..7bc0bddcafc6 100644 --- a/library/alloc/Cargo.toml +++ b/library/alloc/Cargo.toml @@ -20,6 +20,10 @@ rand_xorshift = "0.3.0" name = "alloctests" path = "tests/lib.rs" +[[test]] +name = "vec_deque_alloc_error" +path = "tests/vec_deque_alloc_error.rs" + [[bench]] name = "allocbenches" path = "benches/lib.rs" diff --git a/library/alloc/src/collections/vec_deque/tests.rs b/library/alloc/src/collections/vec_deque/tests.rs index 5329ad1aed5c..f8ce4ca97884 100644 --- a/library/alloc/src/collections/vec_deque/tests.rs +++ b/library/alloc/src/collections/vec_deque/tests.rs @@ -1,11 +1,4 @@ -#![feature(alloc_error_hook)] - -use crate::alloc::{AllocError, Layout}; -use core::{iter::TrustedLen, ptr::NonNull}; -use std::{ - alloc::{set_alloc_error_hook, take_alloc_error_hook, System}, - panic::{catch_unwind, AssertUnwindSafe}, -}; +use core::iter::TrustedLen; use super::*; @@ -797,52 +790,6 @@ fn test_shrink_to() { } } -#[test] -fn test_shrink_to_unwind() { - // This tests that `shrink_to` leaves the deque in a consistent state when - // the call to `RawVec::shrink_to_fit` unwinds. The code is adapted from #123369 - // but changed to hopefully not have any UB even if the test fails. - - struct BadAlloc; - - unsafe impl Allocator for BadAlloc { - fn allocate(&self, l: Layout) -> Result, AllocError> { - // We allocate zeroed here so that the whole buffer of the deque - // is always initialized. That way, even if the deque is left in - // an inconsistent state, no uninitialized memory should be accessed. - System.allocate_zeroed(l) - } - - unsafe fn deallocate(&self, ptr: NonNull, layout: Layout) { - unsafe { System.deallocate(ptr, layout) } - } - - unsafe fn shrink( - &self, - _ptr: NonNull, - _old_layout: Layout, - _new_layout: Layout, - ) -> Result, AllocError> { - Err(AllocError) - } - } - - // preserve the old error hook just in case. - let old_error_hook = take_alloc_error_hook(); - set_alloc_error_hook(|_| panic!("alloc error")); - - let mut v = VecDeque::with_capacity_in(15, BadAlloc); - v.push_back(1); - v.push_front(2); - // This should unwind because it calls `BadAlloc::shrink` and then `handle_alloc_error` which unwinds. - assert!(catch_unwind(AssertUnwindSafe(|| v.shrink_to_fit())).is_err()); - // This should only pass if the deque is left in a consistent state. - assert_eq!(v, [2, 1]); - - // restore the old error hook. - set_alloc_error_hook(old_error_hook); -} - #[test] fn test_shrink_to_fit() { // This test checks that every single combination of head and tail position, diff --git a/library/alloc/src/lib.rs b/library/alloc/src/lib.rs index d607926f8d49..91b83cfe011f 100644 --- a/library/alloc/src/lib.rs +++ b/library/alloc/src/lib.rs @@ -92,7 +92,6 @@ // tidy-alphabetical-start #![cfg_attr(not(no_global_oom_handling), feature(const_alloc_error))] #![cfg_attr(not(no_global_oom_handling), feature(const_btree_len))] -#![cfg_attr(test, feature(alloc_error_hook))] #![cfg_attr(test, feature(is_sorted))] #![cfg_attr(test, feature(new_uninit))] #![feature(alloc_layout_extra)] diff --git a/library/alloc/tests/vec_deque_alloc_error.rs b/library/alloc/tests/vec_deque_alloc_error.rs new file mode 100644 index 000000000000..c11f4556da9a --- /dev/null +++ b/library/alloc/tests/vec_deque_alloc_error.rs @@ -0,0 +1,49 @@ +#![feature(alloc_error_hook, allocator_api)] + +use std::{ + alloc::{set_alloc_error_hook, AllocError, Allocator, Layout, System}, + collections::VecDeque, + panic::{catch_unwind, AssertUnwindSafe}, + ptr::NonNull, +}; + +#[test] +fn test_shrink_to_unwind() { + // This tests that `shrink_to` leaves the deque in a consistent state when + // the call to `RawVec::shrink_to_fit` unwinds. The code is adapted from #123369 + // but changed to hopefully not have any UB even if the test fails. + + struct BadAlloc; + + unsafe impl Allocator for BadAlloc { + fn allocate(&self, l: Layout) -> Result, AllocError> { + // We allocate zeroed here so that the whole buffer of the deque + // is always initialized. That way, even if the deque is left in + // an inconsistent state, no uninitialized memory should be accessed. + System.allocate_zeroed(l) + } + + unsafe fn deallocate(&self, ptr: NonNull, layout: Layout) { + unsafe { System.deallocate(ptr, layout) } + } + + unsafe fn shrink( + &self, + _ptr: NonNull, + _old_layout: Layout, + _new_layout: Layout, + ) -> Result, AllocError> { + Err(AllocError) + } + } + + set_alloc_error_hook(|_| panic!("alloc error")); + + let mut v = VecDeque::with_capacity_in(15, BadAlloc); + v.push_back(1); + v.push_front(2); + // This should unwind because it calls `BadAlloc::shrink` and then `handle_alloc_error` which unwinds. + assert!(catch_unwind(AssertUnwindSafe(|| v.shrink_to_fit())).is_err()); + // This should only pass if the deque is left in a consistent state. + assert_eq!(v, [2, 1]); +} From f94fa6bee3bf1c7d313452db0bafbce0960196ff Mon Sep 17 00:00:00 2001 From: Lokathor Date: Tue, 7 May 2024 18:08:36 -0600 Subject: [PATCH 0070/1716] Some Result combinations work like an Option. --- library/core/src/result.rs | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/library/core/src/result.rs b/library/core/src/result.rs index b2b627fe6a9c..16c97284104d 100644 --- a/library/core/src/result.rs +++ b/library/core/src/result.rs @@ -224,6 +224,21 @@ //! [`Err(E)`]: Err //! [io::Error]: ../../std/io/struct.Error.html "io::Error" //! +//! # Representation +//! +//! In some cases, [`Result`] will gain the same size, alignment, and ABI +//! guarantees as [`Option`] has. One of either the `T` or `E` type must be a +//! type that qualifies for `Option` guarantees, and the *other* type must meet +//! all of the following conditions: +//! * Is a zero-sized type with alignment 1 (a "1-ZST"). +//! * Has no fields. +//! * Does not have the #[non_exhaustive] attribute. +//! +//! For example, `Result` or `Result<(), NonZeroI32>` would both +//! have the same guarantees as `Option`. The only difference is the +//! implied semantics: `Result` is "a non-zero success value" +//! while `Result<(), NonZeroI32>` is "a non-zero error value". +//! //! # Method overview //! //! In addition to working with pattern matching, [`Result`] provides a From 10f8d1ffef464d8c6cc8add49f5850cf8a33cfb3 Mon Sep 17 00:00:00 2001 From: Lokathor Date: Tue, 7 May 2024 18:35:00 -0600 Subject: [PATCH 0071/1716] use teletype on the attribute name --- library/core/src/result.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/library/core/src/result.rs b/library/core/src/result.rs index 16c97284104d..b82351ea1fa3 100644 --- a/library/core/src/result.rs +++ b/library/core/src/result.rs @@ -232,7 +232,7 @@ //! all of the following conditions: //! * Is a zero-sized type with alignment 1 (a "1-ZST"). //! * Has no fields. -//! * Does not have the #[non_exhaustive] attribute. +//! * Does not have the `#[non_exhaustive]` attribute. //! //! For example, `Result` or `Result<(), NonZeroI32>` would both //! have the same guarantees as `Option`. The only difference is the From 362ef42b68567bfa963f53cce1dc7419b0d64ef6 Mon Sep 17 00:00:00 2001 From: roife Date: Wed, 8 May 2024 13:38:00 +0800 Subject: [PATCH 0072/1716] fix: merge multiple suggestions into a single multi-span suggestion in `needless_late_init` --- clippy_lints/src/needless_late_init.rs | 69 ++++------ tests/ui/needless_late_init.stderr | 177 +++++++++++-------------- 2 files changed, 104 insertions(+), 142 deletions(-) diff --git a/clippy_lints/src/needless_late_init.rs b/clippy_lints/src/needless_late_init.rs index 6605d1fa51a3..5a0ae1a4d6d2 100644 --- a/clippy_lints/src/needless_late_init.rs +++ b/clippy_lints/src/needless_late_init.rs @@ -273,24 +273,16 @@ fn check<'tcx>( msg_span, "unneeded late initialization", |diag| { - diag.tool_only_span_suggestion( - local_stmt.span, - "remove the local", - "", - Applicability::MachineApplicable, - ); - - diag.span_suggestion( - assign.lhs_span, - format!("declare `{binding_name}` here"), - let_snippet, + diag.multipart_suggestion( + format!("move the declaration `{binding_name}` here"), + vec![(local_stmt.span, String::new()), (assign.lhs_span, let_snippet)], Applicability::MachineApplicable, ); }, ); }, ExprKind::If(cond, then_expr, Some(else_expr)) if !contains_let(cond) => { - let (applicability, suggestions) = assignment_suggestions(cx, binding_id, [then_expr, else_expr])?; + let (applicability, mut suggestions) = assignment_suggestions(cx, binding_id, [then_expr, else_expr])?; span_lint_and_then( cx, @@ -298,30 +290,26 @@ fn check<'tcx>( local_stmt.span, "unneeded late initialization", |diag| { - diag.tool_only_span_suggestion(local_stmt.span, "remove the local", String::new(), applicability); - - diag.span_suggestion_verbose( - usage.stmt.span.shrink_to_lo(), - format!("declare `{binding_name}` here"), - format!("{let_snippet} = "), - applicability, - ); - - diag.multipart_suggestion("remove the assignments from the branches", suggestions, applicability); + suggestions.push((local_stmt.span, String::new())); + suggestions.push((usage.stmt.span.shrink_to_lo(), format!("{let_snippet} = "))); if usage.needs_semi { - diag.span_suggestion( - usage.stmt.span.shrink_to_hi(), - "add a semicolon after the `if` expression", - ";", - applicability, - ); + suggestions.push((usage.stmt.span.shrink_to_hi(), ";".to_owned())); } + + diag.multipart_suggestion( + format!( + "move the declaration `{binding_name}` here and remove the assignments from the branches" + ), + suggestions, + applicability, + ); }, ); }, ExprKind::Match(_, arms, MatchSource::Normal) => { - let (applicability, suggestions) = assignment_suggestions(cx, binding_id, arms.iter().map(|arm| arm.body))?; + let (applicability, mut suggestions) = + assignment_suggestions(cx, binding_id, arms.iter().map(|arm| arm.body))?; span_lint_and_then( cx, @@ -329,29 +317,18 @@ fn check<'tcx>( local_stmt.span, "unneeded late initialization", |diag| { - diag.tool_only_span_suggestion(local_stmt.span, "remove the local", String::new(), applicability); + suggestions.push((local_stmt.span, String::new())); + suggestions.push((usage.stmt.span.shrink_to_lo(), format!("{let_snippet} = "))); - diag.span_suggestion_verbose( - usage.stmt.span.shrink_to_lo(), - format!("declare `{binding_name}` here"), - format!("{let_snippet} = "), - applicability, - ); + if usage.needs_semi { + suggestions.push((usage.stmt.span.shrink_to_hi(), ";".to_owned())); + } diag.multipart_suggestion( - "remove the assignments from the `match` arms", + format!("move the declaration `{binding_name}` here and remove the assignments from the `match` arms"), suggestions, applicability, ); - - if usage.needs_semi { - diag.span_suggestion( - usage.stmt.span.shrink_to_hi(), - "add a semicolon after the `match` expression", - ";", - applicability, - ); - } }, ); }, diff --git a/tests/ui/needless_late_init.stderr b/tests/ui/needless_late_init.stderr index 1695784030d0..ce64861fa40a 100644 --- a/tests/ui/needless_late_init.stderr +++ b/tests/ui/needless_late_init.stderr @@ -8,10 +8,11 @@ LL | a = "zero"; | = note: `-D clippy::needless-late-init` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::needless_late_init)]` -help: declare `a` here +help: move the declaration `a` here + | +LL ~ +LL ~ let a = "zero"; | -LL | let a = "zero"; - | ~~~~~ error: unneeded late initialization --> tests/ui/needless_late_init.rs:30:5 @@ -22,10 +23,12 @@ LL | let c; LL | b = 1; | ^^^^^ initialised here | -help: declare `b` here +help: move the declaration `b` here + | +LL ~ +LL | let c; +LL ~ let b = 1; | -LL | let b = 1; - | ~~~~~ error: unneeded late initialization --> tests/ui/needless_late_init.rs:31:5 @@ -36,10 +39,12 @@ LL | b = 1; LL | c = 2; | ^^^^^ initialised here | -help: declare `c` here +help: move the declaration `c` here + | +LL ~ +LL | b = 1; +LL ~ let c = 2; | -LL | let c = 2; - | ~~~~~ error: unneeded late initialization --> tests/ui/needless_late_init.rs:35:5 @@ -49,10 +54,11 @@ LL | let d: usize; LL | d = 1; | ^^^^^ initialised here | -help: declare `d` here +help: move the declaration `d` here + | +LL ~ +LL ~ let d: usize = 1; | -LL | let d: usize = 1; - | ~~~~~~~~~~~~ error: unneeded late initialization --> tests/ui/needless_late_init.rs:38:5 @@ -62,10 +68,11 @@ LL | let e; LL | e = format!("{}", d); | ^^^^^^^^^^^^^^^^^^^^ initialised here | -help: declare `e` here +help: move the declaration `e` here + | +LL ~ +LL ~ let e = format!("{}", d); | -LL | let e = format!("{}", d); - | ~~~~~ error: unneeded late initialization --> tests/ui/needless_late_init.rs:43:5 @@ -73,20 +80,17 @@ error: unneeded late initialization LL | let a; | ^^^^^^ | -help: declare `a` here - | -LL | let a = match n { - | +++++++ -help: remove the assignments from the `match` arms +help: move the declaration `a` here and remove the assignments from the `match` arms | +LL ~ +LL | let n = 1; +LL ~ let a = match n { LL ~ 1 => "one", LL | _ => { LL ~ "two" +LL | }, +LL ~ }; | -help: add a semicolon after the `match` expression - | -LL | }; - | + error: unneeded late initialization --> tests/ui/needless_late_init.rs:52:5 @@ -94,20 +98,15 @@ error: unneeded late initialization LL | let b; | ^^^^^^ | -help: declare `b` here - | -LL | let b = if n == 3 { - | +++++++ -help: remove the assignments from the branches +help: move the declaration `b` here and remove the assignments from the branches | +LL ~ +LL ~ let b = if n == 3 { LL ~ "four" LL | } else { LL ~ "five" +LL ~ }; | -help: add a semicolon after the `if` expression - | -LL | }; - | + error: unneeded late initialization --> tests/ui/needless_late_init.rs:59:5 @@ -115,20 +114,16 @@ error: unneeded late initialization LL | let d; | ^^^^^^ | -help: declare `d` here - | -LL | let d = if true { - | +++++++ -help: remove the assignments from the branches +help: move the declaration `d` here and remove the assignments from the branches | +LL ~ +LL ~ let d = if true { +LL | let temp = 5; LL ~ temp LL | } else { LL ~ 15 +LL ~ }; | -help: add a semicolon after the `if` expression - | -LL | }; - | + error: unneeded late initialization --> tests/ui/needless_late_init.rs:67:5 @@ -136,20 +131,15 @@ error: unneeded late initialization LL | let e; | ^^^^^^ | -help: declare `e` here - | -LL | let e = if true { - | +++++++ -help: remove the assignments from the branches +help: move the declaration `e` here and remove the assignments from the branches | +LL ~ +LL ~ let e = if true { LL ~ format!("{} {}", a, b) LL | } else { LL ~ format!("{}", n) +LL ~ }; | -help: add a semicolon after the `if` expression - | -LL | }; - | + error: unneeded late initialization --> tests/ui/needless_late_init.rs:74:5 @@ -157,14 +147,11 @@ error: unneeded late initialization LL | let f; | ^^^^^^ | -help: declare `f` here +help: move the declaration `f` here and remove the assignments from the `match` arms | -LL | let f = match 1 { - | +++++++ -help: remove the assignments from the `match` arms - | -LL - 1 => f = "three", -LL + 1 => "three", +LL ~ +LL ~ let f = match 1 { +LL ~ 1 => "three", | error: unneeded late initialization @@ -173,19 +160,15 @@ error: unneeded late initialization LL | let g: usize; | ^^^^^^^^^^^^^ | -help: declare `g` here +help: move the declaration `g` here and remove the assignments from the branches | -LL | let g: usize = if true { - | ++++++++++++++ -help: remove the assignments from the branches +LL ~ +LL ~ let g: usize = if true { +LL ~ 5 +LL | } else { +LL | panic!(); +LL ~ }; | -LL - g = 5; -LL + 5 - | -help: add a semicolon after the `if` expression - | -LL | }; - | + error: unneeded late initialization --> tests/ui/needless_late_init.rs:88:5 @@ -196,10 +179,12 @@ LL | let y = SignificantDrop; LL | x = 1; | ^^^^^ initialised here | -help: declare `x` here +help: move the declaration `x` here + | +LL ~ +LL | let y = SignificantDrop; +LL ~ let x = 1; | -LL | let x = 1; - | ~~~~~ error: unneeded late initialization --> tests/ui/needless_late_init.rs:92:5 @@ -210,10 +195,12 @@ LL | let y = 1; LL | x = SignificantDrop; | ^^^^^^^^^^^^^^^^^^^ initialised here | -help: declare `x` here +help: move the declaration `x` here + | +LL ~ +LL | let y = 1; +LL ~ let x = SignificantDrop; | -LL | let x = SignificantDrop; - | ~~~~~ error: unneeded late initialization --> tests/ui/needless_late_init.rs:96:5 @@ -224,10 +211,14 @@ LL | let x; LL | x = SignificantDrop; | ^^^^^^^^^^^^^^^^^^^ initialised here | -help: declare `x` here +help: move the declaration `x` here + | +LL ~ +LL | // types that should be considered insignificant + ... +LL | let y = Box::new(4); +LL ~ let x = SignificantDrop; | -LL | let x = SignificantDrop; - | ~~~~~ error: unneeded late initialization --> tests/ui/needless_late_init.rs:115:5 @@ -235,20 +226,17 @@ error: unneeded late initialization LL | let a; | ^^^^^^ | -help: declare `a` here - | -LL | let a = match n { - | +++++++ -help: remove the assignments from the `match` arms +help: move the declaration `a` here and remove the assignments from the `match` arms | +LL ~ +LL | let n = 1; +LL ~ let a = match n { LL ~ 1 => f().await, LL | _ => { LL ~ "two" +LL | }, +LL ~ }; | -help: add a semicolon after the `match` expression - | -LL | }; - | + error: unneeded late initialization --> tests/ui/needless_late_init.rs:132:5 @@ -256,20 +244,17 @@ error: unneeded late initialization LL | let a; | ^^^^^^ | -help: declare `a` here - | -LL | let a = match n { - | +++++++ -help: remove the assignments from the `match` arms +help: move the declaration `a` here and remove the assignments from the `match` arms | +LL ~ +LL | let n = 1; +LL ~ let a = match n { LL ~ 1 => f(), LL | _ => { LL ~ "two" +LL | }, +LL ~ }; | -help: add a semicolon after the `match` expression - | -LL | }; - | + error: aborting due to 16 previous errors From dc8a455a002ba9672975899564a32be89a7a42d0 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 8 May 2024 16:56:02 +1000 Subject: [PATCH 0073/1716] Simplify `use crate::rustc_foo::bar` occurrences. They can just be written as `use rustc_foo::bar`, which is far more standard. (I didn't even know that a `crate::` prefix was valid.) --- clippy_lints/src/manual_assert.rs | 3 +-- clippy_lints/src/methods/iter_overeager_cloned.rs | 2 +- clippy_lints/src/redundant_closure_call.rs | 3 +-- clippy_lints/src/semicolon_if_nothing_returned.rs | 3 +-- 4 files changed, 4 insertions(+), 7 deletions(-) diff --git a/clippy_lints/src/manual_assert.rs b/clippy_lints/src/manual_assert.rs index d76b94eba23e..83c16d4466d0 100644 --- a/clippy_lints/src/manual_assert.rs +++ b/clippy_lints/src/manual_assert.rs @@ -1,10 +1,9 @@ -use crate::rustc_lint::LintContext; use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::macros::{is_panic, root_macro_call}; use clippy_utils::{is_else_clause, is_parent_stmt, peel_blocks_with_stmt, span_extract_comment, sugg}; use rustc_errors::Applicability; use rustc_hir::{Expr, ExprKind, UnOp}; -use rustc_lint::{LateContext, LateLintPass}; +use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_session::declare_lint_pass; declare_clippy_lint! { diff --git a/clippy_lints/src/methods/iter_overeager_cloned.rs b/clippy_lints/src/methods/iter_overeager_cloned.rs index 03b4680c5224..deac159457a6 100644 --- a/clippy_lints/src/methods/iter_overeager_cloned.rs +++ b/clippy_lints/src/methods/iter_overeager_cloned.rs @@ -9,10 +9,10 @@ use rustc_lint::LateContext; use rustc_middle::mir::{FakeReadCause, Mutability}; use rustc_middle::ty::{self, BorrowKind}; use rustc_span::sym; +use rustc_trait_selection::infer::TyCtxtInferExt; use super::ITER_OVEREAGER_CLONED; use crate::redundant_clone::REDUNDANT_CLONE; -use crate::rustc_trait_selection::infer::TyCtxtInferExt; #[derive(Clone, Copy)] pub(super) enum Op<'a> { diff --git a/clippy_lints/src/redundant_closure_call.rs b/clippy_lints/src/redundant_closure_call.rs index 2863eb190d34..47d3ed08b8ec 100644 --- a/clippy_lints/src/redundant_closure_call.rs +++ b/clippy_lints/src/redundant_closure_call.rs @@ -1,4 +1,3 @@ -use crate::rustc_lint::LintContext; use clippy_utils::diagnostics::{span_lint_and_then, span_lint_hir}; use clippy_utils::get_parent_expr; use clippy_utils::sugg::Sugg; @@ -9,7 +8,7 @@ use rustc_hir::intravisit::{Visitor as HirVisitor, Visitor}; use rustc_hir::{ intravisit as hir_visit, ClosureKind, CoroutineDesugaring, CoroutineKind, CoroutineSource, ExprKind, Node, }; -use rustc_lint::{LateContext, LateLintPass}; +use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_middle::hir::nested_filter; use rustc_middle::lint::in_external_macro; use rustc_middle::ty; diff --git a/clippy_lints/src/semicolon_if_nothing_returned.rs b/clippy_lints/src/semicolon_if_nothing_returned.rs index 6540626f7d5a..63237c655ef1 100644 --- a/clippy_lints/src/semicolon_if_nothing_returned.rs +++ b/clippy_lints/src/semicolon_if_nothing_returned.rs @@ -1,9 +1,8 @@ -use crate::rustc_lint::LintContext; use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::source::snippet_with_context; use rustc_errors::Applicability; use rustc_hir::{Block, ExprKind}; -use rustc_lint::{LateContext, LateLintPass}; +use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_session::declare_lint_pass; use rustc_span::{ExpnKind, MacroKind, Span}; From 076f2e5dea94b02fbb4baf224a5cec2a2ef58427 Mon Sep 17 00:00:00 2001 From: Maarten de Vries Date: Wed, 8 May 2024 11:41:40 +0200 Subject: [PATCH 0074/1716] assigning_clones: move to pedantic so it is allow by default --- clippy_lints/src/assigning_clones.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/clippy_lints/src/assigning_clones.rs b/clippy_lints/src/assigning_clones.rs index 64cf7755c878..4de763151736 100644 --- a/clippy_lints/src/assigning_clones.rs +++ b/clippy_lints/src/assigning_clones.rs @@ -48,7 +48,7 @@ declare_clippy_lint! { /// ``` #[clippy::version = "1.78.0"] pub ASSIGNING_CLONES, - perf, + pedantic, "assigning the result of cloning may be inefficient" } From cd00f5b9e48419563d6d44f68b24de218c0f39e5 Mon Sep 17 00:00:00 2001 From: future-highway <113635015+future-highway@users.noreply.github.com> Date: Wed, 8 May 2024 09:35:29 -0400 Subject: [PATCH 0075/1716] Ignore `_to_string` lints in code `from_expansion` Includes the `string_to_string` and `str_to_string` lints. --- clippy_lints/src/strings.rs | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/clippy_lints/src/strings.rs b/clippy_lints/src/strings.rs index 87a3c3874d77..292124196ff6 100644 --- a/clippy_lints/src/strings.rs +++ b/clippy_lints/src/strings.rs @@ -389,6 +389,10 @@ declare_lint_pass!(StrToString => [STR_TO_STRING]); impl<'tcx> LateLintPass<'tcx> for StrToString { fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &Expr<'_>) { + if expr.span.from_expansion() { + return; + } + if let ExprKind::MethodCall(path, self_arg, ..) = &expr.kind && path.ident.name == sym::to_string && let ty = cx.typeck_results().expr_ty(self_arg) @@ -437,6 +441,10 @@ declare_lint_pass!(StringToString => [STRING_TO_STRING]); impl<'tcx> LateLintPass<'tcx> for StringToString { fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &Expr<'_>) { + if expr.span.from_expansion() { + return; + } + if let ExprKind::MethodCall(path, self_arg, ..) = &expr.kind && path.ident.name == sym::to_string && let ty = cx.typeck_results().expr_ty(self_arg) From 75f57670b03a33dd165685fe1f252969ef5c16ea Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Wed, 8 May 2024 17:22:35 +0200 Subject: [PATCH 0076/1716] miri: rename intrinsic_fallback_checks_ub to intrinsic_fallback_is_spec --- library/core/src/intrinsics.rs | 10 +++++----- src/tools/miri/src/intrinsics/mod.rs | 6 +++--- .../tests/fail/intrinsic_fallback_checks_ub.stderr | 14 -------------- ..._checks_ub.rs => intrinsic_fallback_is_spec.rs} | 2 +- .../tests/fail/intrinsic_fallback_is_spec.stderr | 14 ++++++++++++++ 5 files changed, 23 insertions(+), 23 deletions(-) delete mode 100644 src/tools/miri/tests/fail/intrinsic_fallback_checks_ub.stderr rename src/tools/miri/tests/fail/{intrinsic_fallback_checks_ub.rs => intrinsic_fallback_is_spec.rs} (75%) create mode 100644 src/tools/miri/tests/fail/intrinsic_fallback_is_spec.stderr diff --git a/library/core/src/intrinsics.rs b/library/core/src/intrinsics.rs index d1450bf12ce7..1027d4836400 100644 --- a/library/core/src/intrinsics.rs +++ b/library/core/src/intrinsics.rs @@ -987,7 +987,7 @@ pub const unsafe fn assume(b: bool) { #[unstable(feature = "core_intrinsics", issue = "none")] #[rustc_intrinsic] #[rustc_nounwind] -#[cfg_attr(not(bootstrap), miri::intrinsic_fallback_checks_ub)] +#[cfg_attr(not(bootstrap), miri::intrinsic_fallback_is_spec)] pub const fn likely(b: bool) -> bool { b } @@ -1007,7 +1007,7 @@ pub const fn likely(b: bool) -> bool { #[unstable(feature = "core_intrinsics", issue = "none")] #[rustc_intrinsic] #[rustc_nounwind] -#[cfg_attr(not(bootstrap), miri::intrinsic_fallback_checks_ub)] +#[cfg_attr(not(bootstrap), miri::intrinsic_fallback_is_spec)] pub const fn unlikely(b: bool) -> bool { b } @@ -2471,7 +2471,7 @@ extern "rust-intrinsic" { #[rustc_nounwind] #[rustc_do_not_const_check] #[inline] -#[cfg_attr(not(bootstrap), miri::intrinsic_fallback_checks_ub)] +#[cfg_attr(not(bootstrap), miri::intrinsic_fallback_is_spec)] pub const fn ptr_guaranteed_cmp(ptr: *const T, other: *const T) -> u8 { (ptr == other) as u8 } @@ -2736,7 +2736,7 @@ pub const fn ub_checks() -> bool { #[unstable(feature = "core_intrinsics", issue = "none")] #[rustc_nounwind] #[rustc_intrinsic] -#[cfg_attr(not(bootstrap), miri::intrinsic_fallback_checks_ub)] +#[cfg_attr(not(bootstrap), miri::intrinsic_fallback_is_spec)] pub const unsafe fn const_allocate(_size: usize, _align: usize) -> *mut u8 { // const eval overrides this function, but runtime code for now just returns null pointers. // See . @@ -2757,7 +2757,7 @@ pub const unsafe fn const_allocate(_size: usize, _align: usize) -> *mut u8 { #[unstable(feature = "core_intrinsics", issue = "none")] #[rustc_nounwind] #[rustc_intrinsic] -#[cfg_attr(not(bootstrap), miri::intrinsic_fallback_checks_ub)] +#[cfg_attr(not(bootstrap), miri::intrinsic_fallback_is_spec)] pub const unsafe fn const_deallocate(_ptr: *mut u8, _size: usize, _align: usize) { // Runtime NOP } diff --git a/src/tools/miri/src/intrinsics/mod.rs b/src/tools/miri/src/intrinsics/mod.rs index effd7f6d5435..d94485a42a85 100644 --- a/src/tools/miri/src/intrinsics/mod.rs +++ b/src/tools/miri/src/intrinsics/mod.rs @@ -43,18 +43,18 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { if this.tcx.intrinsic(instance.def_id()).unwrap().must_be_overridden { throw_unsup_format!("unimplemented intrinsic: `{intrinsic_name}`") } - let intrinsic_fallback_checks_ub = Symbol::intern("intrinsic_fallback_checks_ub"); + let intrinsic_fallback_is_spec = Symbol::intern("intrinsic_fallback_is_spec"); if this .tcx .get_attrs_by_path( instance.def_id(), - &[sym::miri, intrinsic_fallback_checks_ub], + &[sym::miri, intrinsic_fallback_is_spec], ) .next() .is_none() { throw_unsup_format!( - "miri can only use intrinsic fallback bodies that check UB. After verifying that `{intrinsic_name}` does so, add the `#[miri::intrinsic_fallback_checks_ub]` attribute to it; also ping @rust-lang/miri when you do that" + "Miri can only use intrinsic fallback bodies that exactly reflect the specification: they fully check for UB and are as non-deterministic as possible. After verifying that `{intrinsic_name}` does so, add the `#[miri::intrinsic_fallback_is_spec]` attribute to it; also ping @rust-lang/miri when you do that" ); } Ok(Some(ty::Instance { diff --git a/src/tools/miri/tests/fail/intrinsic_fallback_checks_ub.stderr b/src/tools/miri/tests/fail/intrinsic_fallback_checks_ub.stderr deleted file mode 100644 index 699dda52096f..000000000000 --- a/src/tools/miri/tests/fail/intrinsic_fallback_checks_ub.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error: unsupported operation: miri can only use intrinsic fallback bodies that check UB. After verifying that `ptr_guaranteed_cmp` does so, add the `#[miri::intrinsic_fallback_checks_ub]` attribute to it; also ping @rust-lang/miri when you do that - --> $DIR/intrinsic_fallback_checks_ub.rs:LL:CC - | -LL | ptr_guaranteed_cmp::<()>(std::ptr::null(), std::ptr::null()); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ miri can only use intrinsic fallback bodies that check UB. After verifying that `ptr_guaranteed_cmp` does so, add the `#[miri::intrinsic_fallback_checks_ub]` attribute to it; also ping @rust-lang/miri when you do that - | - = help: this is likely not a bug in the program; it indicates that the program performed an operation that Miri does not support - = note: BACKTRACE: - = note: inside `main` at $DIR/intrinsic_fallback_checks_ub.rs:LL:CC - -note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace - -error: aborting due to 1 previous error - diff --git a/src/tools/miri/tests/fail/intrinsic_fallback_checks_ub.rs b/src/tools/miri/tests/fail/intrinsic_fallback_is_spec.rs similarity index 75% rename from src/tools/miri/tests/fail/intrinsic_fallback_checks_ub.rs rename to src/tools/miri/tests/fail/intrinsic_fallback_is_spec.rs index 93c9d3d7814c..888c548e49b5 100644 --- a/src/tools/miri/tests/fail/intrinsic_fallback_checks_ub.rs +++ b/src/tools/miri/tests/fail/intrinsic_fallback_is_spec.rs @@ -10,5 +10,5 @@ pub const fn ptr_guaranteed_cmp(ptr: *const T, other: *const T) -> u8 { fn main() { ptr_guaranteed_cmp::<()>(std::ptr::null(), std::ptr::null()); - //~^ ERROR: can only use intrinsic fallback bodies that check UB. + //~^ ERROR: can only use intrinsic fallback bodies that exactly reflect the specification } diff --git a/src/tools/miri/tests/fail/intrinsic_fallback_is_spec.stderr b/src/tools/miri/tests/fail/intrinsic_fallback_is_spec.stderr new file mode 100644 index 000000000000..db3941a32a56 --- /dev/null +++ b/src/tools/miri/tests/fail/intrinsic_fallback_is_spec.stderr @@ -0,0 +1,14 @@ +error: unsupported operation: Miri can only use intrinsic fallback bodies that exactly reflect the specification: they fully check for UB and are as non-deterministic as possible. After verifying that `ptr_guaranteed_cmp` does so, add the `#[miri::intrinsic_fallback_is_spec]` attribute to it; also ping @rust-lang/miri when you do that + --> $DIR/intrinsic_fallback_is_spec.rs:LL:CC + | +LL | ptr_guaranteed_cmp::<()>(std::ptr::null(), std::ptr::null()); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Miri can only use intrinsic fallback bodies that exactly reflect the specification: they fully check for UB and are as non-deterministic as possible. After verifying that `ptr_guaranteed_cmp` does so, add the `#[miri::intrinsic_fallback_is_spec]` attribute to it; also ping @rust-lang/miri when you do that + | + = help: this is likely not a bug in the program; it indicates that the program performed an operation that Miri does not support + = note: BACKTRACE: + = note: inside `main` at $DIR/intrinsic_fallback_is_spec.rs:LL:CC + +note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace + +error: aborting due to 1 previous error + From 7ad336f3a8948bd7a52cf02944c70280713e76dc Mon Sep 17 00:00:00 2001 From: Markus Reiter Date: Tue, 23 Apr 2024 21:15:33 +0200 Subject: [PATCH 0077/1716] Simplify `clippy` lint. --- clippy_lints/src/transmute/mod.rs | 10 +-- .../transmute/transmute_int_to_non_zero.rs | 35 ++------ tests/ui/transmute_int_to_non_zero.fixed | 62 +++++++------- tests/ui/transmute_int_to_non_zero.rs | 62 +++++++------- tests/ui/transmute_int_to_non_zero.stderr | 80 +++++++++---------- 5 files changed, 113 insertions(+), 136 deletions(-) diff --git a/clippy_lints/src/transmute/mod.rs b/clippy_lints/src/transmute/mod.rs index 7fa536a1a29d..598032ccdebe 100644 --- a/clippy_lints/src/transmute/mod.rs +++ b/clippy_lints/src/transmute/mod.rs @@ -257,7 +257,7 @@ declare_clippy_lint! { declare_clippy_lint! { /// ### What it does - /// Checks for transmutes from integers to `NonZero*` types, and suggests their `new_unchecked` + /// Checks for transmutes from `T` to `NonZero`, and suggests the `new_unchecked` /// method instead. /// /// ### Why is this bad? @@ -266,13 +266,13 @@ declare_clippy_lint! { /// /// ### Example /// ```no_run - /// # use core::num::NonZeroU32; - /// let _non_zero: NonZeroU32 = unsafe { std::mem::transmute(123) }; + /// # use core::num::NonZero; + /// let _: NonZero = unsafe { std::mem::transmute(123) }; /// ``` /// Use instead: /// ```no_run - /// # use core::num::NonZeroU32; - /// let _non_zero = unsafe { NonZeroU32::new_unchecked(123) }; + /// # use core::num::NonZero; + /// let _: NonZero = unsafe { NonZero::new_unchecked(123) }; /// ``` #[clippy::version = "1.69.0"] pub TRANSMUTE_INT_TO_NON_ZERO, diff --git a/clippy_lints/src/transmute/transmute_int_to_non_zero.rs b/clippy_lints/src/transmute/transmute_int_to_non_zero.rs index 2bea3be3d603..7d824ef21390 100644 --- a/clippy_lints/src/transmute/transmute_int_to_non_zero.rs +++ b/clippy_lints/src/transmute/transmute_int_to_non_zero.rs @@ -26,45 +26,22 @@ pub(super) fn check<'tcx>( return false; }; - // FIXME: This can be simplified once `NonZero` is stable. - let coercible_types = [ - ("NonZeroU8", tcx.types.u8), - ("NonZeroU16", tcx.types.u16), - ("NonZeroU32", tcx.types.u32), - ("NonZeroU64", tcx.types.u64), - ("NonZeroU128", tcx.types.u128), - ("NonZeroUsize", tcx.types.usize), - ("NonZeroI8", tcx.types.i8), - ("NonZeroI16", tcx.types.i16), - ("NonZeroI32", tcx.types.i32), - ("NonZeroI64", tcx.types.i64), - ("NonZeroI128", tcx.types.i128), - ("NonZeroIsize", tcx.types.isize), - ]; - - let int_type = substs.type_at(0); - - let Some(nonzero_alias) = coercible_types.iter().find_map(|(nonzero_alias, t)| { - if *t == int_type && *t == from_ty { - Some(nonzero_alias) - } else { - None - } - }) else { - return false; - }; + let int_ty = substs.type_at(0); + if from_ty != int_ty { + return false; + } span_lint_and_then( cx, TRANSMUTE_INT_TO_NON_ZERO, e.span, - format!("transmute from a `{from_ty}` to a `{nonzero_alias}`"), + format!("transmute from a `{from_ty}` to a `{}<{int_ty}>`", sym::NonZero), |diag| { let arg = sugg::Sugg::hir(cx, arg, ".."); diag.span_suggestion( e.span, "consider using", - format!("{nonzero_alias}::{}({arg})", sym::new_unchecked), + format!("{}::{}({arg})", sym::NonZero, sym::new_unchecked), Applicability::Unspecified, ); }, diff --git a/tests/ui/transmute_int_to_non_zero.fixed b/tests/ui/transmute_int_to_non_zero.fixed index fe8db3dcb0cf..1a48051ec8c4 100644 --- a/tests/ui/transmute_int_to_non_zero.fixed +++ b/tests/ui/transmute_int_to_non_zero.fixed @@ -1,7 +1,7 @@ #![warn(clippy::transmute_int_to_non_zero)] #![allow(clippy::missing_transmute_annotations)] -use core::num::*; +use core::num::NonZero; fn main() { let int_u8: u8 = 1; @@ -16,38 +16,38 @@ fn main() { let int_i64: i64 = 1; let int_i128: i128 = 1; - let _: NonZeroU8 = unsafe { NonZeroU8::new_unchecked(int_u8) }; - //~^ ERROR: transmute from a `u8` to a `NonZeroU8` + let _: NonZero = unsafe { NonZero::new_unchecked(int_u8) }; + //~^ ERROR: transmute from a `u8` to a `NonZero` //~| NOTE: `-D clippy::transmute-int-to-non-zero` implied by `-D warnings` - let _: NonZeroU16 = unsafe { NonZeroU16::new_unchecked(int_u16) }; - //~^ ERROR: transmute from a `u16` to a `NonZeroU16` - let _: NonZeroU32 = unsafe { NonZeroU32::new_unchecked(int_u32) }; - //~^ ERROR: transmute from a `u32` to a `NonZeroU32` - let _: NonZeroU64 = unsafe { NonZeroU64::new_unchecked(int_u64) }; - //~^ ERROR: transmute from a `u64` to a `NonZeroU64` - let _: NonZeroU128 = unsafe { NonZeroU128::new_unchecked(int_u128) }; - //~^ ERROR: transmute from a `u128` to a `NonZeroU128` + let _: NonZero = unsafe { NonZero::new_unchecked(int_u16) }; + //~^ ERROR: transmute from a `u16` to a `NonZero` + let _: NonZero = unsafe { NonZero::new_unchecked(int_u32) }; + //~^ ERROR: transmute from a `u32` to a `NonZero` + let _: NonZero = unsafe { NonZero::new_unchecked(int_u64) }; + //~^ ERROR: transmute from a `u64` to a `NonZero` + let _: NonZero = unsafe { NonZero::new_unchecked(int_u128) }; + //~^ ERROR: transmute from a `u128` to a `NonZero` - let _: NonZeroI8 = unsafe { NonZeroI8::new_unchecked(int_i8) }; - //~^ ERROR: transmute from a `i8` to a `NonZeroI8` - let _: NonZeroI16 = unsafe { NonZeroI16::new_unchecked(int_i16) }; - //~^ ERROR: transmute from a `i16` to a `NonZeroI16` - let _: NonZeroI32 = unsafe { NonZeroI32::new_unchecked(int_i32) }; - //~^ ERROR: transmute from a `i32` to a `NonZeroI32` - let _: NonZeroI64 = unsafe { NonZeroI64::new_unchecked(int_i64) }; - //~^ ERROR: transmute from a `i64` to a `NonZeroI64` - let _: NonZeroI128 = unsafe { NonZeroI128::new_unchecked(int_i128) }; - //~^ ERROR: transmute from a `i128` to a `NonZeroI128` + let _: NonZero = unsafe { NonZero::new_unchecked(int_i8) }; + //~^ ERROR: transmute from a `i8` to a `NonZero` + let _: NonZero = unsafe { NonZero::new_unchecked(int_i16) }; + //~^ ERROR: transmute from a `i16` to a `NonZero` + let _: NonZero = unsafe { NonZero::new_unchecked(int_i32) }; + //~^ ERROR: transmute from a `i32` to a `NonZero` + let _: NonZero = unsafe { NonZero::new_unchecked(int_i64) }; + //~^ ERROR: transmute from a `i64` to a `NonZero` + let _: NonZero = unsafe { NonZero::new_unchecked(int_i128) }; + //~^ ERROR: transmute from a `i128` to a `NonZero` - let _: NonZeroU8 = unsafe { NonZeroU8::new_unchecked(int_u8) }; - let _: NonZeroU16 = unsafe { NonZeroU16::new_unchecked(int_u16) }; - let _: NonZeroU32 = unsafe { NonZeroU32::new_unchecked(int_u32) }; - let _: NonZeroU64 = unsafe { NonZeroU64::new_unchecked(int_u64) }; - let _: NonZeroU128 = unsafe { NonZeroU128::new_unchecked(int_u128) }; + let _: NonZero = unsafe { NonZero::new_unchecked(int_u8) }; + let _: NonZero = unsafe { NonZero::new_unchecked(int_u16) }; + let _: NonZero = unsafe { NonZero::new_unchecked(int_u32) }; + let _: NonZero = unsafe { NonZero::new_unchecked(int_u64) }; + let _: NonZero = unsafe { NonZero::new_unchecked(int_u128) }; - let _: NonZeroI8 = unsafe { NonZeroI8::new_unchecked(int_i8) }; - let _: NonZeroI16 = unsafe { NonZeroI16::new_unchecked(int_i16) }; - let _: NonZeroI32 = unsafe { NonZeroI32::new_unchecked(int_i32) }; - let _: NonZeroI64 = unsafe { NonZeroI64::new_unchecked(int_i64) }; - let _: NonZeroI128 = unsafe { NonZeroI128::new_unchecked(int_i128) }; + let _: NonZero = unsafe { NonZero::new_unchecked(int_i8) }; + let _: NonZero = unsafe { NonZero::new_unchecked(int_i16) }; + let _: NonZero = unsafe { NonZero::new_unchecked(int_i32) }; + let _: NonZero = unsafe { NonZero::new_unchecked(int_i64) }; + let _: NonZero = unsafe { NonZero::new_unchecked(int_i128) }; } diff --git a/tests/ui/transmute_int_to_non_zero.rs b/tests/ui/transmute_int_to_non_zero.rs index a79ed5279b1f..d8e842fb99ce 100644 --- a/tests/ui/transmute_int_to_non_zero.rs +++ b/tests/ui/transmute_int_to_non_zero.rs @@ -1,7 +1,7 @@ #![warn(clippy::transmute_int_to_non_zero)] #![allow(clippy::missing_transmute_annotations)] -use core::num::*; +use core::num::NonZero; fn main() { let int_u8: u8 = 1; @@ -16,38 +16,38 @@ fn main() { let int_i64: i64 = 1; let int_i128: i128 = 1; - let _: NonZeroU8 = unsafe { std::mem::transmute(int_u8) }; - //~^ ERROR: transmute from a `u8` to a `NonZeroU8` + let _: NonZero = unsafe { std::mem::transmute(int_u8) }; + //~^ ERROR: transmute from a `u8` to a `NonZero` //~| NOTE: `-D clippy::transmute-int-to-non-zero` implied by `-D warnings` - let _: NonZeroU16 = unsafe { std::mem::transmute(int_u16) }; - //~^ ERROR: transmute from a `u16` to a `NonZeroU16` - let _: NonZeroU32 = unsafe { std::mem::transmute(int_u32) }; - //~^ ERROR: transmute from a `u32` to a `NonZeroU32` - let _: NonZeroU64 = unsafe { std::mem::transmute(int_u64) }; - //~^ ERROR: transmute from a `u64` to a `NonZeroU64` - let _: NonZeroU128 = unsafe { std::mem::transmute(int_u128) }; - //~^ ERROR: transmute from a `u128` to a `NonZeroU128` + let _: NonZero = unsafe { std::mem::transmute(int_u16) }; + //~^ ERROR: transmute from a `u16` to a `NonZero` + let _: NonZero = unsafe { std::mem::transmute(int_u32) }; + //~^ ERROR: transmute from a `u32` to a `NonZero` + let _: NonZero = unsafe { std::mem::transmute(int_u64) }; + //~^ ERROR: transmute from a `u64` to a `NonZero` + let _: NonZero = unsafe { std::mem::transmute(int_u128) }; + //~^ ERROR: transmute from a `u128` to a `NonZero` - let _: NonZeroI8 = unsafe { std::mem::transmute(int_i8) }; - //~^ ERROR: transmute from a `i8` to a `NonZeroI8` - let _: NonZeroI16 = unsafe { std::mem::transmute(int_i16) }; - //~^ ERROR: transmute from a `i16` to a `NonZeroI16` - let _: NonZeroI32 = unsafe { std::mem::transmute(int_i32) }; - //~^ ERROR: transmute from a `i32` to a `NonZeroI32` - let _: NonZeroI64 = unsafe { std::mem::transmute(int_i64) }; - //~^ ERROR: transmute from a `i64` to a `NonZeroI64` - let _: NonZeroI128 = unsafe { std::mem::transmute(int_i128) }; - //~^ ERROR: transmute from a `i128` to a `NonZeroI128` + let _: NonZero = unsafe { std::mem::transmute(int_i8) }; + //~^ ERROR: transmute from a `i8` to a `NonZero` + let _: NonZero = unsafe { std::mem::transmute(int_i16) }; + //~^ ERROR: transmute from a `i16` to a `NonZero` + let _: NonZero = unsafe { std::mem::transmute(int_i32) }; + //~^ ERROR: transmute from a `i32` to a `NonZero` + let _: NonZero = unsafe { std::mem::transmute(int_i64) }; + //~^ ERROR: transmute from a `i64` to a `NonZero` + let _: NonZero = unsafe { std::mem::transmute(int_i128) }; + //~^ ERROR: transmute from a `i128` to a `NonZero` - let _: NonZeroU8 = unsafe { NonZeroU8::new_unchecked(int_u8) }; - let _: NonZeroU16 = unsafe { NonZeroU16::new_unchecked(int_u16) }; - let _: NonZeroU32 = unsafe { NonZeroU32::new_unchecked(int_u32) }; - let _: NonZeroU64 = unsafe { NonZeroU64::new_unchecked(int_u64) }; - let _: NonZeroU128 = unsafe { NonZeroU128::new_unchecked(int_u128) }; + let _: NonZero = unsafe { NonZero::new_unchecked(int_u8) }; + let _: NonZero = unsafe { NonZero::new_unchecked(int_u16) }; + let _: NonZero = unsafe { NonZero::new_unchecked(int_u32) }; + let _: NonZero = unsafe { NonZero::new_unchecked(int_u64) }; + let _: NonZero = unsafe { NonZero::new_unchecked(int_u128) }; - let _: NonZeroI8 = unsafe { NonZeroI8::new_unchecked(int_i8) }; - let _: NonZeroI16 = unsafe { NonZeroI16::new_unchecked(int_i16) }; - let _: NonZeroI32 = unsafe { NonZeroI32::new_unchecked(int_i32) }; - let _: NonZeroI64 = unsafe { NonZeroI64::new_unchecked(int_i64) }; - let _: NonZeroI128 = unsafe { NonZeroI128::new_unchecked(int_i128) }; + let _: NonZero = unsafe { NonZero::new_unchecked(int_i8) }; + let _: NonZero = unsafe { NonZero::new_unchecked(int_i16) }; + let _: NonZero = unsafe { NonZero::new_unchecked(int_i32) }; + let _: NonZero = unsafe { NonZero::new_unchecked(int_i64) }; + let _: NonZero = unsafe { NonZero::new_unchecked(int_i128) }; } diff --git a/tests/ui/transmute_int_to_non_zero.stderr b/tests/ui/transmute_int_to_non_zero.stderr index bb0b0d0ff4f0..199b8ec59d09 100644 --- a/tests/ui/transmute_int_to_non_zero.stderr +++ b/tests/ui/transmute_int_to_non_zero.stderr @@ -1,65 +1,65 @@ -error: transmute from a `u8` to a `NonZeroU8` - --> tests/ui/transmute_int_to_non_zero.rs:19:33 +error: transmute from a `u8` to a `NonZero` + --> tests/ui/transmute_int_to_non_zero.rs:19:35 | -LL | let _: NonZeroU8 = unsafe { std::mem::transmute(int_u8) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `NonZeroU8::new_unchecked(int_u8)` +LL | let _: NonZero = unsafe { std::mem::transmute(int_u8) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `NonZero::new_unchecked(int_u8)` | = note: `-D clippy::transmute-int-to-non-zero` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::transmute_int_to_non_zero)]` -error: transmute from a `u16` to a `NonZeroU16` - --> tests/ui/transmute_int_to_non_zero.rs:22:34 +error: transmute from a `u16` to a `NonZero` + --> tests/ui/transmute_int_to_non_zero.rs:22:36 | -LL | let _: NonZeroU16 = unsafe { std::mem::transmute(int_u16) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `NonZeroU16::new_unchecked(int_u16)` +LL | let _: NonZero = unsafe { std::mem::transmute(int_u16) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `NonZero::new_unchecked(int_u16)` -error: transmute from a `u32` to a `NonZeroU32` - --> tests/ui/transmute_int_to_non_zero.rs:24:34 +error: transmute from a `u32` to a `NonZero` + --> tests/ui/transmute_int_to_non_zero.rs:24:36 | -LL | let _: NonZeroU32 = unsafe { std::mem::transmute(int_u32) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `NonZeroU32::new_unchecked(int_u32)` +LL | let _: NonZero = unsafe { std::mem::transmute(int_u32) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `NonZero::new_unchecked(int_u32)` -error: transmute from a `u64` to a `NonZeroU64` - --> tests/ui/transmute_int_to_non_zero.rs:26:34 +error: transmute from a `u64` to a `NonZero` + --> tests/ui/transmute_int_to_non_zero.rs:26:36 | -LL | let _: NonZeroU64 = unsafe { std::mem::transmute(int_u64) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `NonZeroU64::new_unchecked(int_u64)` +LL | let _: NonZero = unsafe { std::mem::transmute(int_u64) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `NonZero::new_unchecked(int_u64)` -error: transmute from a `u128` to a `NonZeroU128` - --> tests/ui/transmute_int_to_non_zero.rs:28:35 +error: transmute from a `u128` to a `NonZero` + --> tests/ui/transmute_int_to_non_zero.rs:28:37 | -LL | let _: NonZeroU128 = unsafe { std::mem::transmute(int_u128) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `NonZeroU128::new_unchecked(int_u128)` +LL | let _: NonZero = unsafe { std::mem::transmute(int_u128) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `NonZero::new_unchecked(int_u128)` -error: transmute from a `i8` to a `NonZeroI8` - --> tests/ui/transmute_int_to_non_zero.rs:31:33 +error: transmute from a `i8` to a `NonZero` + --> tests/ui/transmute_int_to_non_zero.rs:31:35 | -LL | let _: NonZeroI8 = unsafe { std::mem::transmute(int_i8) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `NonZeroI8::new_unchecked(int_i8)` +LL | let _: NonZero = unsafe { std::mem::transmute(int_i8) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `NonZero::new_unchecked(int_i8)` -error: transmute from a `i16` to a `NonZeroI16` - --> tests/ui/transmute_int_to_non_zero.rs:33:34 +error: transmute from a `i16` to a `NonZero` + --> tests/ui/transmute_int_to_non_zero.rs:33:36 | -LL | let _: NonZeroI16 = unsafe { std::mem::transmute(int_i16) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `NonZeroI16::new_unchecked(int_i16)` +LL | let _: NonZero = unsafe { std::mem::transmute(int_i16) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `NonZero::new_unchecked(int_i16)` -error: transmute from a `i32` to a `NonZeroI32` - --> tests/ui/transmute_int_to_non_zero.rs:35:34 +error: transmute from a `i32` to a `NonZero` + --> tests/ui/transmute_int_to_non_zero.rs:35:36 | -LL | let _: NonZeroI32 = unsafe { std::mem::transmute(int_i32) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `NonZeroI32::new_unchecked(int_i32)` +LL | let _: NonZero = unsafe { std::mem::transmute(int_i32) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `NonZero::new_unchecked(int_i32)` -error: transmute from a `i64` to a `NonZeroI64` - --> tests/ui/transmute_int_to_non_zero.rs:37:34 +error: transmute from a `i64` to a `NonZero` + --> tests/ui/transmute_int_to_non_zero.rs:37:36 | -LL | let _: NonZeroI64 = unsafe { std::mem::transmute(int_i64) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `NonZeroI64::new_unchecked(int_i64)` +LL | let _: NonZero = unsafe { std::mem::transmute(int_i64) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `NonZero::new_unchecked(int_i64)` -error: transmute from a `i128` to a `NonZeroI128` - --> tests/ui/transmute_int_to_non_zero.rs:39:35 +error: transmute from a `i128` to a `NonZero` + --> tests/ui/transmute_int_to_non_zero.rs:39:37 | -LL | let _: NonZeroI128 = unsafe { std::mem::transmute(int_i128) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `NonZeroI128::new_unchecked(int_i128)` +LL | let _: NonZero = unsafe { std::mem::transmute(int_i128) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `NonZero::new_unchecked(int_i128)` error: aborting due to 10 previous errors From d32629891ababfdf1a5f8fe9e12daab8d6797c05 Mon Sep 17 00:00:00 2001 From: Markus Reiter Date: Sun, 21 Apr 2024 21:45:18 +0200 Subject: [PATCH 0078/1716] Use generic `NonZero`. --- clippy_lints/src/transmute/eager_transmute.rs | 2 +- lintcheck/src/config.rs | 4 ++-- tests/ui/arithmetic_side_effects.rs | 8 ++++---- tests/ui/eager_transmute.fixed | 20 +++++++++---------- tests/ui/eager_transmute.rs | 20 +++++++++---------- tests/ui/eager_transmute.stderr | 18 ++++++++--------- 6 files changed, 36 insertions(+), 36 deletions(-) diff --git a/clippy_lints/src/transmute/eager_transmute.rs b/clippy_lints/src/transmute/eager_transmute.rs index c44f5150dd1a..1dfc9f7091e8 100644 --- a/clippy_lints/src/transmute/eager_transmute.rs +++ b/clippy_lints/src/transmute/eager_transmute.rs @@ -87,7 +87,7 @@ pub(super) fn check<'tcx>( && is_normalizable(cx, cx.param_env, from_ty) && is_normalizable(cx, cx.param_env, to_ty) // we only want to lint if the target type has a niche that is larger than the one of the source type - // e.g. `u8` to `NonZeroU8` should lint, but `NonZeroU8` to `u8` should not + // e.g. `u8` to `NonZero` should lint, but `NonZero` to `u8` should not && let Ok(from_layout) = cx.tcx.layout_of(cx.param_env.and(from_ty)) && let Ok(to_layout) = cx.tcx.layout_of(cx.param_env.and(to_ty)) && match (from_layout.largest_niche, to_layout.largest_niche) { diff --git a/lintcheck/src/config.rs b/lintcheck/src/config.rs index e678d40795ee..3f712f453fa0 100644 --- a/lintcheck/src/config.rs +++ b/lintcheck/src/config.rs @@ -1,5 +1,5 @@ use clap::Parser; -use std::num::NonZeroUsize; +use std::num::NonZero; use std::path::PathBuf; #[derive(Clone, Debug, Parser)] @@ -61,7 +61,7 @@ impl LintcheckConfig { config.max_jobs = if config.fix || config.recursive { 1 } else { - std::thread::available_parallelism().map_or(1, NonZeroUsize::get) + std::thread::available_parallelism().map_or(1, NonZero::get) }; }; diff --git a/tests/ui/arithmetic_side_effects.rs b/tests/ui/arithmetic_side_effects.rs index 66d71f337f2f..33a91e8bbbe5 100644 --- a/tests/ui/arithmetic_side_effects.rs +++ b/tests/ui/arithmetic_side_effects.rs @@ -15,7 +15,7 @@ extern crate proc_macro_derive; -use core::num::{NonZeroUsize, Saturating, Wrapping}; +use core::num::{NonZero, Saturating, Wrapping}; const ONE: i32 = 1; const ZERO: i32 = 0; @@ -494,15 +494,15 @@ pub fn issue_11262() { } pub fn issue_11392() { - fn example_div(unsigned: usize, nonzero_unsigned: NonZeroUsize) -> usize { + fn example_div(unsigned: usize, nonzero_unsigned: NonZero) -> usize { unsigned / nonzero_unsigned } - fn example_rem(unsigned: usize, nonzero_unsigned: NonZeroUsize) -> usize { + fn example_rem(unsigned: usize, nonzero_unsigned: NonZero) -> usize { unsigned % nonzero_unsigned } - let (unsigned, nonzero_unsigned) = (0, NonZeroUsize::new(1).unwrap()); + let (unsigned, nonzero_unsigned) = (0, NonZero::new(1).unwrap()); example_div(unsigned, nonzero_unsigned); example_rem(unsigned, nonzero_unsigned); } diff --git a/tests/ui/eager_transmute.fixed b/tests/ui/eager_transmute.fixed index c29e7dd9ab3e..ba4342462dca 100644 --- a/tests/ui/eager_transmute.fixed +++ b/tests/ui/eager_transmute.fixed @@ -2,7 +2,7 @@ #![warn(clippy::eager_transmute)] #![allow(clippy::transmute_int_to_non_zero, clippy::missing_transmute_annotations)] -use std::num::NonZeroU8; +use std::num::NonZero; #[repr(u8)] enum Opcode { @@ -85,21 +85,21 @@ macro_rules! impls { } impls!(NonMaxU8, NonZeroNonMaxU8); -fn niche_tests(v1: u8, v2: NonZeroU8, v3: NonZeroNonMaxU8) { - // u8 -> NonZeroU8, do lint - let _: Option = (v1 > 0).then(|| unsafe { std::mem::transmute(v1) }); +fn niche_tests(v1: u8, v2: NonZero, v3: NonZeroNonMaxU8) { + // u8 -> NonZero, do lint + let _: Option> = (v1 > 0).then(|| unsafe { std::mem::transmute(v1) }); - // NonZeroU8 -> u8, don't lint, target type has no niche and therefore a higher validity range - let _: Option = (v2 > NonZeroU8::new(1).unwrap()).then_some(unsafe { std::mem::transmute(v2) }); + // NonZero -> u8, don't lint, target type has no niche and therefore a higher validity range + let _: Option = (v2 > NonZero::new(1u8).unwrap()).then_some(unsafe { std::mem::transmute(v2) }); - // NonZeroU8 -> NonMaxU8, do lint, different niche - let _: Option = (v2 < NonZeroU8::new(255).unwrap()).then(|| unsafe { std::mem::transmute(v2) }); + // NonZero -> NonMaxU8, do lint, different niche + let _: Option = (v2 < NonZero::new(255u8).unwrap()).then(|| unsafe { std::mem::transmute(v2) }); // NonZeroNonMaxU8 -> NonMaxU8, don't lint, target type has more validity let _: Option = (v3 < 255).then_some(unsafe { std::mem::transmute(v2) }); - // NonZeroU8 -> NonZeroNonMaxU8, do lint, target type has less validity - let _: Option = (v2 < NonZeroU8::new(255).unwrap()).then(|| unsafe { std::mem::transmute(v2) }); + // NonZero -> NonZeroNonMaxU8, do lint, target type has less validity + let _: Option = (v2 < NonZero::new(255u8).unwrap()).then(|| unsafe { std::mem::transmute(v2) }); } fn main() {} diff --git a/tests/ui/eager_transmute.rs b/tests/ui/eager_transmute.rs index 491a9485c932..9750e87ce574 100644 --- a/tests/ui/eager_transmute.rs +++ b/tests/ui/eager_transmute.rs @@ -2,7 +2,7 @@ #![warn(clippy::eager_transmute)] #![allow(clippy::transmute_int_to_non_zero, clippy::missing_transmute_annotations)] -use std::num::NonZeroU8; +use std::num::NonZero; #[repr(u8)] enum Opcode { @@ -85,21 +85,21 @@ macro_rules! impls { } impls!(NonMaxU8, NonZeroNonMaxU8); -fn niche_tests(v1: u8, v2: NonZeroU8, v3: NonZeroNonMaxU8) { - // u8 -> NonZeroU8, do lint - let _: Option = (v1 > 0).then_some(unsafe { std::mem::transmute(v1) }); +fn niche_tests(v1: u8, v2: NonZero, v3: NonZeroNonMaxU8) { + // u8 -> NonZero, do lint + let _: Option> = (v1 > 0).then_some(unsafe { std::mem::transmute(v1) }); - // NonZeroU8 -> u8, don't lint, target type has no niche and therefore a higher validity range - let _: Option = (v2 > NonZeroU8::new(1).unwrap()).then_some(unsafe { std::mem::transmute(v2) }); + // NonZero -> u8, don't lint, target type has no niche and therefore a higher validity range + let _: Option = (v2 > NonZero::new(1u8).unwrap()).then_some(unsafe { std::mem::transmute(v2) }); - // NonZeroU8 -> NonMaxU8, do lint, different niche - let _: Option = (v2 < NonZeroU8::new(255).unwrap()).then_some(unsafe { std::mem::transmute(v2) }); + // NonZero -> NonMaxU8, do lint, different niche + let _: Option = (v2 < NonZero::new(255u8).unwrap()).then_some(unsafe { std::mem::transmute(v2) }); // NonZeroNonMaxU8 -> NonMaxU8, don't lint, target type has more validity let _: Option = (v3 < 255).then_some(unsafe { std::mem::transmute(v2) }); - // NonZeroU8 -> NonZeroNonMaxU8, do lint, target type has less validity - let _: Option = (v2 < NonZeroU8::new(255).unwrap()).then_some(unsafe { std::mem::transmute(v2) }); + // NonZero -> NonZeroNonMaxU8, do lint, target type has less validity + let _: Option = (v2 < NonZero::new(255u8).unwrap()).then_some(unsafe { std::mem::transmute(v2) }); } fn main() {} diff --git a/tests/ui/eager_transmute.stderr b/tests/ui/eager_transmute.stderr index b9a4321d99ef..5cf7bd49a929 100644 --- a/tests/ui/eager_transmute.stderr +++ b/tests/ui/eager_transmute.stderr @@ -155,36 +155,36 @@ LL | (op < 4).then(|| std::mem::transmute::<_, Opcode>(op)); | ~~~~ ++ error: this transmute is always evaluated eagerly, even if the condition is false - --> tests/ui/eager_transmute.rs:90:60 + --> tests/ui/eager_transmute.rs:90:62 | -LL | let _: Option = (v1 > 0).then_some(unsafe { std::mem::transmute(v1) }); - | ^^^^^^^^^^^^^^^^^^^^^^^ +LL | let _: Option> = (v1 > 0).then_some(unsafe { std::mem::transmute(v1) }); + | ^^^^^^^^^^^^^^^^^^^^^^^ | help: consider using `bool::then` to only transmute if the condition holds | -LL | let _: Option = (v1 > 0).then(|| unsafe { std::mem::transmute(v1) }); - | ~~~~ ++ +LL | let _: Option> = (v1 > 0).then(|| unsafe { std::mem::transmute(v1) }); + | ~~~~ ++ error: this transmute is always evaluated eagerly, even if the condition is false --> tests/ui/eager_transmute.rs:96:86 | -LL | let _: Option = (v2 < NonZeroU8::new(255).unwrap()).then_some(unsafe { std::mem::transmute(v2) }); +LL | let _: Option = (v2 < NonZero::new(255u8).unwrap()).then_some(unsafe { std::mem::transmute(v2) }); | ^^^^^^^^^^^^^^^^^^^^^^^ | help: consider using `bool::then` to only transmute if the condition holds | -LL | let _: Option = (v2 < NonZeroU8::new(255).unwrap()).then(|| unsafe { std::mem::transmute(v2) }); +LL | let _: Option = (v2 < NonZero::new(255u8).unwrap()).then(|| unsafe { std::mem::transmute(v2) }); | ~~~~ ++ error: this transmute is always evaluated eagerly, even if the condition is false --> tests/ui/eager_transmute.rs:102:93 | -LL | let _: Option = (v2 < NonZeroU8::new(255).unwrap()).then_some(unsafe { std::mem::transmute(v2) }); +LL | let _: Option = (v2 < NonZero::new(255u8).unwrap()).then_some(unsafe { std::mem::transmute(v2) }); | ^^^^^^^^^^^^^^^^^^^^^^^ | help: consider using `bool::then` to only transmute if the condition holds | -LL | let _: Option = (v2 < NonZeroU8::new(255).unwrap()).then(|| unsafe { std::mem::transmute(v2) }); +LL | let _: Option = (v2 < NonZero::new(255u8).unwrap()).then(|| unsafe { std::mem::transmute(v2) }); | ~~~~ ++ error: aborting due to 17 previous errors From 99a42bab30e27e30679a2bd8540475338788b034 Mon Sep 17 00:00:00 2001 From: shanretoo Date: Thu, 9 May 2024 09:29:18 +0800 Subject: [PATCH 0079/1716] fix wrong suggestions of assigning_clones when the assignment is a macro call --- clippy_lints/src/assigning_clones.rs | 26 ++++++++++------ tests/ui/assigning_clones.fixed | 20 ++++++++++++ tests/ui/assigning_clones.rs | 20 ++++++++++++ tests/ui/assigning_clones.stderr | 46 +++++++++++++++++++++------- 4 files changed, 92 insertions(+), 20 deletions(-) diff --git a/clippy_lints/src/assigning_clones.rs b/clippy_lints/src/assigning_clones.rs index 64cf7755c878..9202c46e8b6b 100644 --- a/clippy_lints/src/assigning_clones.rs +++ b/clippy_lints/src/assigning_clones.rs @@ -10,7 +10,7 @@ use rustc_middle::ty::{self, Instance, Mutability}; use rustc_session::impl_lint_pass; use rustc_span::def_id::DefId; use rustc_span::symbol::sym; -use rustc_span::ExpnKind; +use rustc_span::{ExpnKind, SyntaxContext}; declare_clippy_lint! { /// ### What it does @@ -68,7 +68,8 @@ impl_lint_pass!(AssigningClones => [ASSIGNING_CLONES]); impl<'tcx> LateLintPass<'tcx> for AssigningClones { fn check_expr(&mut self, cx: &LateContext<'tcx>, assign_expr: &'tcx Expr<'_>) { // Do not fire the lint in macros - let expn_data = assign_expr.span().ctxt().outer_expn_data(); + let ctxt = assign_expr.span().ctxt(); + let expn_data = ctxt.outer_expn_data(); match expn_data.kind { ExpnKind::AstPass(_) | ExpnKind::Desugaring(_) | ExpnKind::Macro(..) => return, ExpnKind::Root => {}, @@ -83,7 +84,7 @@ impl<'tcx> LateLintPass<'tcx> for AssigningClones { }; if is_ok_to_suggest(cx, lhs, &call, &self.msrv) { - suggest(cx, assign_expr, lhs, &call); + suggest(cx, ctxt, assign_expr, lhs, &call); } } @@ -221,14 +222,20 @@ fn is_ok_to_suggest<'tcx>(cx: &LateContext<'tcx>, lhs: &Expr<'tcx>, call: &CallC implemented_fns.contains_key(&provided_fn.def_id) } -fn suggest<'tcx>(cx: &LateContext<'tcx>, assign_expr: &Expr<'tcx>, lhs: &Expr<'tcx>, call: &CallCandidate<'tcx>) { +fn suggest<'tcx>( + cx: &LateContext<'tcx>, + ctxt: SyntaxContext, + assign_expr: &Expr<'tcx>, + lhs: &Expr<'tcx>, + call: &CallCandidate<'tcx>, +) { span_lint_and_then(cx, ASSIGNING_CLONES, assign_expr.span, call.message(), |diag| { let mut applicability = Applicability::Unspecified; diag.span_suggestion( assign_expr.span, call.suggestion_msg(), - call.suggested_replacement(cx, lhs, &mut applicability), + call.suggested_replacement(cx, ctxt, lhs, &mut applicability), applicability, ); }); @@ -274,6 +281,7 @@ impl<'tcx> CallCandidate<'tcx> { fn suggested_replacement( &self, cx: &LateContext<'tcx>, + ctxt: SyntaxContext, lhs: &Expr<'tcx>, applicability: &mut Applicability, ) -> String { @@ -293,7 +301,7 @@ impl<'tcx> CallCandidate<'tcx> { // Determine whether we need to reference the argument to clone_from(). let clone_receiver_type = cx.typeck_results().expr_ty(receiver); let clone_receiver_adj_type = cx.typeck_results().expr_ty_adjusted(receiver); - let mut arg_sugg = Sugg::hir_with_applicability(cx, receiver, "_", applicability); + let mut arg_sugg = Sugg::hir_with_context(cx, receiver, ctxt, "_", applicability); if clone_receiver_type != clone_receiver_adj_type { // The receiver may have been a value type, so we need to add an `&` to // be sure the argument to clone_from will be a reference. @@ -311,7 +319,7 @@ impl<'tcx> CallCandidate<'tcx> { Sugg::hir_with_applicability(cx, lhs, "_", applicability).mut_addr() }; // The RHS had to be exactly correct before the call, there is no auto-deref for function calls. - let rhs_sugg = Sugg::hir_with_applicability(cx, self_arg, "_", applicability); + let rhs_sugg = Sugg::hir_with_context(cx, self_arg, ctxt, "_", applicability); format!("Clone::clone_from({self_sugg}, {rhs_sugg})") }, @@ -340,11 +348,11 @@ impl<'tcx> CallCandidate<'tcx> { match self.kind { CallKind::MethodCall { receiver } => { - let receiver_sugg = Sugg::hir_with_applicability(cx, receiver, "_", applicability); + let receiver_sugg = Sugg::hir_with_context(cx, receiver, ctxt, "_", applicability); format!("{receiver_sugg}.clone_into({rhs_sugg})") }, CallKind::FunctionCall { self_arg, .. } => { - let self_sugg = Sugg::hir_with_applicability(cx, self_arg, "_", applicability); + let self_sugg = Sugg::hir_with_context(cx, self_arg, ctxt, "_", applicability); format!("ToOwned::clone_into({self_sugg}, {rhs_sugg})") }, } diff --git a/tests/ui/assigning_clones.fixed b/tests/ui/assigning_clones.fixed index 394d2a67ca3a..70ab43b49b3a 100644 --- a/tests/ui/assigning_clones.fixed +++ b/tests/ui/assigning_clones.fixed @@ -62,6 +62,16 @@ fn clone_method_rhs_complex(mut_thing: &mut HasCloneFrom, ref_thing: &HasCloneFr mut_thing.clone_from(ref_thing + ref_thing); } +fn clone_method_macro() { + let mut s = String::from(""); + s.clone_from(&format!("{} {}", "hello", "world")); +} + +fn clone_function_macro() { + let mut s = String::from(""); + Clone::clone_from(&mut s, &format!("{} {}", "hello", "world")); +} + fn assign_to_init_mut_var(b: HasCloneFrom) -> HasCloneFrom { let mut a = HasCloneFrom; for _ in 1..10 { @@ -214,6 +224,16 @@ fn owned_function_val(mut mut_thing: String, ref_str: &str) { ToOwned::clone_into(ref_str, &mut mut_thing); } +fn owned_method_macro() { + let mut s = String::from(""); + format!("{} {}", "hello", "world").clone_into(&mut s); +} + +fn owned_function_macro() { + let mut s = String::from(""); + ToOwned::clone_into(&format!("{} {}", "hello", "world"), &mut s); +} + struct FakeToOwned; impl FakeToOwned { /// This looks just like `ToOwned::to_owned` diff --git a/tests/ui/assigning_clones.rs b/tests/ui/assigning_clones.rs index df6b760d5fd9..9699fed100c8 100644 --- a/tests/ui/assigning_clones.rs +++ b/tests/ui/assigning_clones.rs @@ -62,6 +62,16 @@ fn clone_method_rhs_complex(mut_thing: &mut HasCloneFrom, ref_thing: &HasCloneFr *mut_thing = (ref_thing + ref_thing).clone(); } +fn clone_method_macro() { + let mut s = String::from(""); + s = format!("{} {}", "hello", "world").clone(); +} + +fn clone_function_macro() { + let mut s = String::from(""); + s = Clone::clone(&format!("{} {}", "hello", "world")); +} + fn assign_to_init_mut_var(b: HasCloneFrom) -> HasCloneFrom { let mut a = HasCloneFrom; for _ in 1..10 { @@ -214,6 +224,16 @@ fn owned_function_val(mut mut_thing: String, ref_str: &str) { mut_thing = ToOwned::to_owned(ref_str); } +fn owned_method_macro() { + let mut s = String::from(""); + s = format!("{} {}", "hello", "world").to_owned(); +} + +fn owned_function_macro() { + let mut s = String::from(""); + s = ToOwned::to_owned(&format!("{} {}", "hello", "world")); +} + struct FakeToOwned; impl FakeToOwned { /// This looks just like `ToOwned::to_owned` diff --git a/tests/ui/assigning_clones.stderr b/tests/ui/assigning_clones.stderr index 87f63ca604fe..a68516376abb 100644 --- a/tests/ui/assigning_clones.stderr +++ b/tests/ui/assigning_clones.stderr @@ -62,64 +62,88 @@ LL | *mut_thing = (ref_thing + ref_thing).clone(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_from()`: `mut_thing.clone_from(ref_thing + ref_thing)` error: assigning the result of `Clone::clone()` may be inefficient - --> tests/ui/assigning_clones.rs:68:9 + --> tests/ui/assigning_clones.rs:67:5 + | +LL | s = format!("{} {}", "hello", "world").clone(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_from()`: `s.clone_from(&format!("{} {}", "hello", "world"))` + +error: assigning the result of `Clone::clone()` may be inefficient + --> tests/ui/assigning_clones.rs:72:5 + | +LL | s = Clone::clone(&format!("{} {}", "hello", "world")); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_from()`: `Clone::clone_from(&mut s, &format!("{} {}", "hello", "world"))` + +error: assigning the result of `Clone::clone()` may be inefficient + --> tests/ui/assigning_clones.rs:78:9 | LL | a = b.clone(); | ^^^^^^^^^^^^^ help: use `clone_from()`: `a.clone_from(&b)` error: assigning the result of `Clone::clone()` may be inefficient - --> tests/ui/assigning_clones.rs:139:5 + --> tests/ui/assigning_clones.rs:149:5 | LL | a = b.clone(); | ^^^^^^^^^^^^^ help: use `clone_from()`: `a.clone_from(&b)` error: assigning the result of `Clone::clone()` may be inefficient - --> tests/ui/assigning_clones.rs:146:5 + --> tests/ui/assigning_clones.rs:156:5 | LL | a = b.clone(); | ^^^^^^^^^^^^^ help: use `clone_from()`: `a.clone_from(&b)` error: assigning the result of `ToOwned::to_owned()` may be inefficient - --> tests/ui/assigning_clones.rs:147:5 + --> tests/ui/assigning_clones.rs:157:5 | LL | a = c.to_owned(); | ^^^^^^^^^^^^^^^^ help: use `clone_into()`: `c.clone_into(&mut a)` error: assigning the result of `ToOwned::to_owned()` may be inefficient - --> tests/ui/assigning_clones.rs:177:5 + --> tests/ui/assigning_clones.rs:187:5 | LL | *mut_string = ref_str.to_owned(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_into()`: `ref_str.clone_into(mut_string)` error: assigning the result of `ToOwned::to_owned()` may be inefficient - --> tests/ui/assigning_clones.rs:181:5 + --> tests/ui/assigning_clones.rs:191:5 | LL | mut_string = ref_str.to_owned(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_into()`: `ref_str.clone_into(&mut mut_string)` error: assigning the result of `ToOwned::to_owned()` may be inefficient - --> tests/ui/assigning_clones.rs:202:5 + --> tests/ui/assigning_clones.rs:212:5 | LL | **mut_box_string = ref_str.to_owned(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_into()`: `ref_str.clone_into(&mut (*mut_box_string))` error: assigning the result of `ToOwned::to_owned()` may be inefficient - --> tests/ui/assigning_clones.rs:206:5 + --> tests/ui/assigning_clones.rs:216:5 | LL | **mut_box_string = ref_str.to_owned(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_into()`: `ref_str.clone_into(&mut (*mut_box_string))` error: assigning the result of `ToOwned::to_owned()` may be inefficient - --> tests/ui/assigning_clones.rs:210:5 + --> tests/ui/assigning_clones.rs:220:5 | LL | *mut_thing = ToOwned::to_owned(ref_str); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_into()`: `ToOwned::clone_into(ref_str, mut_thing)` error: assigning the result of `ToOwned::to_owned()` may be inefficient - --> tests/ui/assigning_clones.rs:214:5 + --> tests/ui/assigning_clones.rs:224:5 | LL | mut_thing = ToOwned::to_owned(ref_str); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_into()`: `ToOwned::clone_into(ref_str, &mut mut_thing)` -error: aborting due to 20 previous errors +error: assigning the result of `ToOwned::to_owned()` may be inefficient + --> tests/ui/assigning_clones.rs:229:5 + | +LL | s = format!("{} {}", "hello", "world").to_owned(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_into()`: `format!("{} {}", "hello", "world").clone_into(&mut s)` + +error: assigning the result of `ToOwned::to_owned()` may be inefficient + --> tests/ui/assigning_clones.rs:234:5 + | +LL | s = ToOwned::to_owned(&format!("{} {}", "hello", "world")); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_into()`: `ToOwned::clone_into(&format!("{} {}", "hello", "world"), &mut s)` + +error: aborting due to 24 previous errors From c54301f114d6fab44e8305da328eece26f682456 Mon Sep 17 00:00:00 2001 From: cardigan1008 <211250058@smail.nju.edu.cn> Date: Thu, 9 May 2024 14:36:54 +0800 Subject: [PATCH 0080/1716] fix: Add if to check whether the previous node is Block --- compiler/rustc_middle/src/hir/map/mod.rs | 3 +++ 1 file changed, 3 insertions(+) diff --git a/compiler/rustc_middle/src/hir/map/mod.rs b/compiler/rustc_middle/src/hir/map/mod.rs index c7aea137b684..0deafb73d0ed 100644 --- a/compiler/rustc_middle/src/hir/map/mod.rs +++ b/compiler/rustc_middle/src/hir/map/mod.rs @@ -563,6 +563,9 @@ impl<'hir> Map<'hir> { // We verify that indirectly by checking that the previous node is the // current node's body if node.body_id().map(|b| b.hir_id) == prev_hir_id => { + if let Node::Expr(Expr { kind: ExprKind::Block(_, _), ..}) = self.tcx.hir_node(prev_hir_id.unwrap()) { + return None; + } return Some(hir_id) } // Ignore `return`s on the first iteration From 62318b38ef591c70d9db875e88a04aa37c565828 Mon Sep 17 00:00:00 2001 From: cardigan1008 <211250058@smail.nju.edu.cn> Date: Thu, 9 May 2024 23:44:54 +0800 Subject: [PATCH 0081/1716] fix: Check whether next_node is else-less if in get_return_block Fix #124819, where a if-less block causes a wrong output. It is caused by get_return_block in get_fn_decl. In get_return_block, when a else-less if expression is the tail expression, the check for next_node will keep iterating. So it is necessary to make a early return in the check. --- compiler/rustc_middle/src/hir/map/mod.rs | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/compiler/rustc_middle/src/hir/map/mod.rs b/compiler/rustc_middle/src/hir/map/mod.rs index 0deafb73d0ed..f4ecc0973ef2 100644 --- a/compiler/rustc_middle/src/hir/map/mod.rs +++ b/compiler/rustc_middle/src/hir/map/mod.rs @@ -549,6 +549,7 @@ impl<'hir> Map<'hir> { Node::Block(Block { expr: None, .. }) => return None, // The current node is not the tail expression of its parent. Node::Block(Block { expr: Some(e), .. }) if hir_id != e.hir_id => return None, + Node::Block(Block { expr: Some(e), ..}) if matches!(e.kind, ExprKind::If(_, _, None)) => return None, _ => {} } } @@ -563,9 +564,6 @@ impl<'hir> Map<'hir> { // We verify that indirectly by checking that the previous node is the // current node's body if node.body_id().map(|b| b.hir_id) == prev_hir_id => { - if let Node::Expr(Expr { kind: ExprKind::Block(_, _), ..}) = self.tcx.hir_node(prev_hir_id.unwrap()) { - return None; - } return Some(hir_id) } // Ignore `return`s on the first iteration From 939a71162d29576157c77e438f97dcdee506bd1e Mon Sep 17 00:00:00 2001 From: lcnr Date: Thu, 9 May 2024 18:20:00 +0000 Subject: [PATCH 0082/1716] update pull_request_templete --- .github/pull_request_template.md | 10 ++++++++++ 1 file changed, 10 insertions(+) create mode 100644 .github/pull_request_template.md diff --git a/.github/pull_request_template.md b/.github/pull_request_template.md new file mode 100644 index 000000000000..ca704082a3f1 --- /dev/null +++ b/.github/pull_request_template.md @@ -0,0 +1,10 @@ + \ No newline at end of file From 9b4ad016ec058f3de95a2492e2f3ef1c54f37714 Mon Sep 17 00:00:00 2001 From: lcnr Date: Thu, 9 May 2024 19:47:08 +0000 Subject: [PATCH 0083/1716] always use `GenericArgsRef` --- clippy_lints/src/default_union_representation.rs | 4 ++-- clippy_lints/src/needless_borrows_for_generic_args.rs | 4 ++-- clippy_utils/src/ty.rs | 8 ++++++-- 3 files changed, 10 insertions(+), 6 deletions(-) diff --git a/clippy_lints/src/default_union_representation.rs b/clippy_lints/src/default_union_representation.rs index 3f87ed8df2bf..b4290b6437f2 100644 --- a/clippy_lints/src/default_union_representation.rs +++ b/clippy_lints/src/default_union_representation.rs @@ -2,7 +2,7 @@ use clippy_utils::diagnostics::span_lint_and_help; use rustc_hir::{HirId, Item, ItemKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty::layout::LayoutOf; -use rustc_middle::ty::{self, FieldDef, GenericArg, List}; +use rustc_middle::ty::{self, FieldDef}; use rustc_session::declare_lint_pass; use rustc_span::sym; @@ -85,7 +85,7 @@ fn is_union_with_two_non_zst_fields<'tcx>(cx: &LateContext<'tcx>, item: &Item<'t } } -fn is_zst<'tcx>(cx: &LateContext<'tcx>, field: &FieldDef, args: &'tcx List>) -> bool { +fn is_zst<'tcx>(cx: &LateContext<'tcx>, field: &FieldDef, args: ty::GenericArgsRef<'tcx>) -> bool { let ty = field.ty(cx.tcx, args); if let Ok(layout) = cx.layout_of(ty) { layout.is_zst() diff --git a/clippy_lints/src/needless_borrows_for_generic_args.rs b/clippy_lints/src/needless_borrows_for_generic_args.rs index a24cd4f9c8a3..e6c6a15b8d48 100644 --- a/clippy_lints/src/needless_borrows_for_generic_args.rs +++ b/clippy_lints/src/needless_borrows_for_generic_args.rs @@ -13,7 +13,7 @@ use rustc_infer::infer::TyCtxtInferExt; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::mir::{Rvalue, StatementKind}; use rustc_middle::ty::{ - self, ClauseKind, EarlyBinder, FnSig, GenericArg, GenericArgKind, List, ParamTy, ProjectionPredicate, Ty, + self, ClauseKind, EarlyBinder, FnSig, GenericArg, GenericArgKind, ParamTy, ProjectionPredicate, Ty, }; use rustc_session::impl_lint_pass; use rustc_span::symbol::sym; @@ -161,7 +161,7 @@ fn needless_borrow_count<'tcx>( cx: &LateContext<'tcx>, possible_borrowers: &mut Vec<(LocalDefId, PossibleBorrowerMap<'tcx, 'tcx>)>, fn_id: DefId, - callee_args: &'tcx List>, + callee_args: ty::GenericArgsRef<'tcx>, arg_index: usize, param_ty: ParamTy, mut expr: &Expr<'tcx>, diff --git a/clippy_utils/src/ty.rs b/clippy_utils/src/ty.rs index 23750ed4d1ba..626d6a35307c 100644 --- a/clippy_utils/src/ty.rs +++ b/clippy_utils/src/ty.rs @@ -19,7 +19,7 @@ use rustc_middle::traits::EvaluationResult; use rustc_middle::ty::layout::ValidityRequirement; use rustc_middle::ty::{ self, AdtDef, AliasTy, AssocKind, Binder, BoundRegion, FnSig, GenericArg, GenericArgKind, GenericArgsRef, - GenericParamDefKind, IntTy, List, ParamEnv, Region, RegionKind, ToPredicate, TraitRef, Ty, TyCtxt, + GenericParamDefKind, IntTy, ParamEnv, Region, RegionKind, ToPredicate, TraitRef, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable, TypeVisitableExt, TypeVisitor, UintTy, VariantDef, VariantDiscr, }; use rustc_span::symbol::Ident; @@ -961,7 +961,11 @@ pub struct AdtVariantInfo { impl AdtVariantInfo { /// Returns ADT variants ordered by size - pub fn new<'tcx>(cx: &LateContext<'tcx>, adt: AdtDef<'tcx>, subst: &'tcx List>) -> Vec { + pub fn new<'tcx>( + cx: &LateContext<'tcx>, + adt: AdtDef<'tcx>, + subst: GenericArgsRef<'tcx> + ) -> Vec { let mut variants_size = adt .variants() .iter() From dbeae8da7882ea24ed2002deb3bfa06d50cad985 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Fri, 10 May 2024 09:06:47 +1000 Subject: [PATCH 0084/1716] Use fewer origins when creating type variables. `InferCtxt::next_{ty,const}_var*` all take an origin, but the `param_def_id` is almost always `None`. This commit changes them to just take a `Span` and build the origin within the method, and adds new methods for the rare cases where `param_def_id` might not be `None`. This avoids a lot of tedious origin building. Specifically: - next_ty_var{,_id_in_universe,_in_universe}: now take `Span` instead of `TypeVariableOrigin` - next_ty_var_with_origin: added - next_const_var{,_in_universe}: takes Span instead of ConstVariableOrigin - next_const_var_with_origin: added - next_region_var, next_region_var_in_universe: these are unchanged, still take RegionVariableOrigin The API inconsistency (ty/const vs region) seems worth it for the large conciseness improvements. --- clippy_utils/src/ty.rs | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/clippy_utils/src/ty.rs b/clippy_utils/src/ty.rs index 23750ed4d1ba..69dd3ba2970e 100644 --- a/clippy_utils/src/ty.rs +++ b/clippy_utils/src/ty.rs @@ -10,7 +10,6 @@ use rustc_hir as hir; use rustc_hir::def::{CtorKind, CtorOf, DefKind, Res}; use rustc_hir::def_id::DefId; use rustc_hir::{Expr, FnDecl, LangItem, TyKind, Unsafety}; -use rustc_infer::infer::type_variable::TypeVariableOrigin; use rustc_infer::infer::TyCtxtInferExt; use rustc_lint::LateContext; use rustc_middle::mir::interpret::Scalar; @@ -276,11 +275,7 @@ pub fn implements_trait_with_env_from_iter<'tcx>( .into_iter() .map(|arg| { arg.into().unwrap_or_else(|| { - let orig = TypeVariableOrigin { - span: DUMMY_SP, - param_def_id: None, - }; - infcx.next_ty_var(orig).into() + infcx.next_ty_var(DUMMY_SP).into() }) }) .collect::>(); From 9523b3fbf0a6318772b582fc4f5fa69d4b7f6e94 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Thu, 9 May 2024 20:56:44 -0400 Subject: [PATCH 0085/1716] Rename Generics::params to Generics::own_params --- clippy_lints/src/dereference.rs | 2 +- clippy_lints/src/derive.rs | 2 +- clippy_lints/src/implied_bounds_in_impls.rs | 2 +- clippy_lints/src/iter_without_into_iter.rs | 2 +- clippy_lints/src/mismatching_type_param_order.rs | 2 +- clippy_utils/src/ty.rs | 6 +++--- clippy_utils/src/ty/type_certainty/mod.rs | 6 +++--- 7 files changed, 11 insertions(+), 11 deletions(-) diff --git a/clippy_lints/src/dereference.rs b/clippy_lints/src/dereference.rs index b936b28470b5..c6aef9ac2d60 100644 --- a/clippy_lints/src/dereference.rs +++ b/clippy_lints/src/dereference.rs @@ -382,7 +382,7 @@ impl<'tcx> LateLintPass<'tcx> for Dereferencing<'tcx> { cx, impl_ty, trait_id, - &args[..cx.tcx.generics_of(trait_id).params.len() - 1], + &args[..cx.tcx.generics_of(trait_id).own_params.len() - 1], ) { false diff --git a/clippy_lints/src/derive.rs b/clippy_lints/src/derive.rs index 42cd19fb8eca..9662c8f4fe2f 100644 --- a/clippy_lints/src/derive.rs +++ b/clippy_lints/src/derive.rs @@ -480,7 +480,7 @@ fn param_env_for_derived_eq(tcx: TyCtxt<'_>, did: DefId, eq_trait_id: DefId) -> // Vec<(param_def, needs_eq)> let mut params = tcx .generics_of(did) - .params + .own_params .iter() .map(|p| (p, matches!(p.kind, GenericParamDefKind::Type { .. }))) .collect::>(); diff --git a/clippy_lints/src/implied_bounds_in_impls.rs b/clippy_lints/src/implied_bounds_in_impls.rs index 3bf8d6189558..dc935ed3d7fe 100644 --- a/clippy_lints/src/implied_bounds_in_impls.rs +++ b/clippy_lints/src/implied_bounds_in_impls.rs @@ -148,7 +148,7 @@ fn try_resolve_type<'tcx>( match args.get(index - 1) { Some(GenericArg::Type(ty)) => Some(lower_ty(tcx, ty)), Some(_) => None, - None => Some(tcx.type_of(generics.params[index].def_id).skip_binder()), + None => Some(tcx.type_of(generics.own_params[index].def_id).skip_binder()), } } diff --git a/clippy_lints/src/iter_without_into_iter.rs b/clippy_lints/src/iter_without_into_iter.rs index c749a7123303..a75dfaf286fd 100644 --- a/clippy_lints/src/iter_without_into_iter.rs +++ b/clippy_lints/src/iter_without_into_iter.rs @@ -225,7 +225,7 @@ impl {self_ty_without_ref} {{ && let ImplItemKind::Fn(sig, _) = item.kind && let FnRetTy::Return(ret) = sig.decl.output && is_nameable_in_impl_trait(ret) - && cx.tcx.generics_of(item_did).params.is_empty() + && cx.tcx.generics_of(item_did).own_params.is_empty() && sig.decl.implicit_self == expected_implicit_self && sig.decl.inputs.len() == 1 && let Some(imp) = get_parent_as_impl(cx.tcx, item.hir_id()) diff --git a/clippy_lints/src/mismatching_type_param_order.rs b/clippy_lints/src/mismatching_type_param_order.rs index 0842a8728247..934b9f490add 100644 --- a/clippy_lints/src/mismatching_type_param_order.rs +++ b/clippy_lints/src/mismatching_type_param_order.rs @@ -76,7 +76,7 @@ impl<'tcx> LateLintPass<'tcx> for TypeParamMismatch { }; // get the names of the generic parameters in the type - let type_params = &cx.tcx.generics_of(defid).params; + let type_params = &cx.tcx.generics_of(defid).own_params; let type_param_names: Vec<_> = type_params .iter() .filter_map(|p| match p.kind { diff --git a/clippy_utils/src/ty.rs b/clippy_utils/src/ty.rs index 23750ed4d1ba..ad17c7cefff0 100644 --- a/clippy_utils/src/ty.rs +++ b/clippy_utils/src/ty.rs @@ -1070,11 +1070,11 @@ pub fn approx_ty_size<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> u64 { fn assert_generic_args_match<'tcx>(tcx: TyCtxt<'tcx>, did: DefId, args: &[GenericArg<'tcx>]) { let g = tcx.generics_of(did); let parent = g.parent.map(|did| tcx.generics_of(did)); - let count = g.parent_count + g.params.len(); + let count = g.parent_count + g.own_params.len(); let params = parent - .map_or([].as_slice(), |p| p.params.as_slice()) + .map_or([].as_slice(), |p| p.own_params.as_slice()) .iter() - .chain(&g.params) + .chain(&g.own_params) .map(|x| &x.kind); assert!( diff --git a/clippy_utils/src/ty/type_certainty/mod.rs b/clippy_utils/src/ty/type_certainty/mod.rs index 2241494b484a..c2ff19931d5c 100644 --- a/clippy_utils/src/ty/type_certainty/mod.rs +++ b/clippy_utils/src/ty/type_certainty/mod.rs @@ -176,7 +176,7 @@ fn qpath_certainty(cx: &LateContext<'_>, qpath: &QPath<'_>, resolves_to_type: bo .get(*lang_item) .map_or(Certainty::Uncertain, |def_id| { let generics = cx.tcx.generics_of(def_id); - if generics.parent_count == 0 && generics.params.is_empty() { + if generics.parent_count == 0 && generics.own_params.is_empty() { Certainty::Certain(if resolves_to_type { Some(def_id) } else { None }) } else { Certainty::Uncertain @@ -206,7 +206,7 @@ fn path_segment_certainty( // Checking `res_generics_def_id(..)` before calling `generics_of` avoids an ICE. if cx.tcx.res_generics_def_id(path_segment.res).is_some() { let generics = cx.tcx.generics_of(def_id); - let count = generics.params.len() - usize::from(generics.host_effect_index.is_some()); + let count = generics.own_params.len() - usize::from(generics.host_effect_index.is_some()); let lhs = if (parent_certainty.is_certain() || generics.parent_count == 0) && count == 0 { Certainty::Certain(None) } else { @@ -299,7 +299,7 @@ fn type_is_inferable_from_arguments(cx: &LateContext<'_>, expr: &Expr<'_>) -> bo let fn_sig = cx.tcx.fn_sig(callee_def_id).skip_binder(); // Check that all type parameters appear in the functions input types. - (0..(generics.parent_count + generics.params.len()) as u32).all(|index| { + (0..(generics.parent_count + generics.own_params.len()) as u32).all(|index| { Some(index as usize) == generics.host_effect_index || fn_sig .inputs() From 51145a20bfec060b3a5015d922125e886af91d39 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Thu, 9 May 2024 22:45:14 -0400 Subject: [PATCH 0086/1716] Make builtin_deref just return a Ty --- clippy_lints/src/matches/significant_drop_in_scrutinee.rs | 8 ++++---- clippy_lints/src/operators/cmp_owned.rs | 2 +- clippy_utils/src/qualify_min_const_fn.rs | 2 +- 3 files changed, 6 insertions(+), 6 deletions(-) diff --git a/clippy_lints/src/matches/significant_drop_in_scrutinee.rs b/clippy_lints/src/matches/significant_drop_in_scrutinee.rs index 10c3203725a8..f775ea072e1f 100644 --- a/clippy_lints/src/matches/significant_drop_in_scrutinee.rs +++ b/clippy_lints/src/matches/significant_drop_in_scrutinee.rs @@ -6,7 +6,7 @@ use rustc_errors::{Applicability, Diag}; use rustc_hir::intravisit::{walk_expr, Visitor}; use rustc_hir::{Arm, Expr, ExprKind, MatchSource}; use rustc_lint::{LateContext, LintContext}; -use rustc_middle::ty::{GenericArgKind, Ty, TypeAndMut}; +use rustc_middle::ty::{GenericArgKind, Ty}; use rustc_span::Span; use super::SIGNIFICANT_DROP_IN_SCRUTINEE; @@ -234,9 +234,9 @@ impl<'a, 'tcx> SigDropHelper<'a, 'tcx> { } let ty = self.sig_drop_checker.get_type(expr); if ty.is_ref() { - // We checked that the type was ref, so builtin_deref will return Some TypeAndMut, - // but let's avoid any chance of an ICE - if let Some(TypeAndMut { ty, .. }) = ty.builtin_deref(true) { + // We checked that the type was ref, so builtin_deref will return Some, + // but let's avoid any chance of an ICE. + if let Some(ty) = ty.builtin_deref(true) { if ty.is_trivially_pure_clone_copy() { self.replace_current_sig_drop(expr.span, false, LintSuggestion::MoveAndDerefToCopy); } else if allow_move_and_clone { diff --git a/clippy_lints/src/operators/cmp_owned.rs b/clippy_lints/src/operators/cmp_owned.rs index ea8ed28ba62b..208b20a7a069 100644 --- a/clippy_lints/src/operators/cmp_owned.rs +++ b/clippy_lints/src/operators/cmp_owned.rs @@ -70,7 +70,7 @@ fn check_op(cx: &LateContext<'_>, expr: &Expr<'_>, other: &Expr<'_>, left: bool) let without_deref = symmetric_partial_eq(cx, arg_ty, other_ty).unwrap_or_default(); let with_deref = arg_ty .builtin_deref(true) - .and_then(|tam| symmetric_partial_eq(cx, tam.ty, other_ty)) + .and_then(|ty| symmetric_partial_eq(cx, ty, other_ty)) .unwrap_or_default(); if !with_deref.is_implemented() && !without_deref.is_implemented() { diff --git a/clippy_utils/src/qualify_min_const_fn.rs b/clippy_utils/src/qualify_min_const_fn.rs index 325c9bee0578..d8d26e21369a 100644 --- a/clippy_utils/src/qualify_min_const_fn.rs +++ b/clippy_utils/src/qualify_min_const_fn.rs @@ -134,7 +134,7 @@ fn check_rvalue<'tcx>( ) => Err((span, "function pointer casts are not allowed in const fn".into())), Rvalue::Cast(CastKind::PointerCoercion(PointerCoercion::Unsize), op, cast_ty) => { let pointee_ty = if let Some(deref_ty) = cast_ty.builtin_deref(true) { - deref_ty.ty + deref_ty } else { // We cannot allow this for now. return Err((span, "unsizing casts are only allowed for references right now".into())); From 133549c61a946fd0eb80cd380e5aaee8a0aa69bb Mon Sep 17 00:00:00 2001 From: Michael Howell Date: Fri, 10 May 2024 08:41:11 -0700 Subject: [PATCH 0087/1716] doc_lazy_continuation: change applicability to MaybeIncorrect --- clippy_lints/src/doc/lazy_continuation.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/clippy_lints/src/doc/lazy_continuation.rs b/clippy_lints/src/doc/lazy_continuation.rs index 497e9e5d4d1b..38bc58a55019 100644 --- a/clippy_lints/src/doc/lazy_continuation.rs +++ b/clippy_lints/src/doc/lazy_continuation.rs @@ -58,7 +58,7 @@ pub(super) fn check( span.shrink_to_hi(), "indent this line", std::iter::repeat(" ").take(indent).join(""), - Applicability::MachineApplicable, + Applicability::MaybeIncorrect, SuggestionStyle::ShowAlways, ); diag.help("if this is supposed to be its own paragraph, add a blank line"); From ead02ba0f14f8d54c3c05d8382d317d9b320072a Mon Sep 17 00:00:00 2001 From: Kjetil Kjeka Date: Fri, 10 May 2024 18:39:05 +0200 Subject: [PATCH 0088/1716] NVPTX: Avoid PassMode::Direct for args in C abi --- compiler/rustc_target/src/abi/call/nvptx64.rs | 9 +- tests/assembly/nvptx-c-abi-arg-v7.rs | 206 ++++++++++++++++ tests/assembly/nvptx-c-abi-ret-v7.rs | 230 ++++++++++++++++++ 3 files changed, 440 insertions(+), 5 deletions(-) create mode 100644 tests/assembly/nvptx-c-abi-arg-v7.rs create mode 100644 tests/assembly/nvptx-c-abi-ret-v7.rs diff --git a/compiler/rustc_target/src/abi/call/nvptx64.rs b/compiler/rustc_target/src/abi/call/nvptx64.rs index f85fa2419f0f..c6b6f66e6be8 100644 --- a/compiler/rustc_target/src/abi/call/nvptx64.rs +++ b/compiler/rustc_target/src/abi/call/nvptx64.rs @@ -11,11 +11,10 @@ fn classify_ret(ret: &mut ArgAbi<'_, Ty>) { } fn classify_arg(arg: &mut ArgAbi<'_, Ty>) { - if arg.layout.is_aggregate() && arg.layout.size.bits() > 64 { - arg.make_indirect(); - } else { - // FIXME: this is wrong! Need to decide which ABI we really want here. - arg.make_direct_deprecated(); + if arg.layout.is_aggregate() { + arg.make_indirect_byval(None); + } else if arg.layout.size.bits() < 32 { + arg.extend_integer_width_to(32); } } diff --git a/tests/assembly/nvptx-c-abi-arg-v7.rs b/tests/assembly/nvptx-c-abi-arg-v7.rs new file mode 100644 index 000000000000..99f90ea526e1 --- /dev/null +++ b/tests/assembly/nvptx-c-abi-arg-v7.rs @@ -0,0 +1,206 @@ +//@ assembly-output: ptx-linker +//@ compile-flags: --crate-type cdylib -C target-cpu=sm_86 -Z unstable-options -Clinker-flavor=llbc +//@ only-nvptx64 + +// The PTX ABI stability is tied to major versions of the PTX ISA +// These tests assume major version 7 + +// CHECK: .version 7 + +#![feature(abi_ptx, lang_items, no_core)] +#![no_core] + +#[lang = "sized"] +trait Sized {} +#[lang = "copy"] +trait Copy {} + +#[repr(C)] +pub struct SingleU8 { + f: u8, +} + +#[repr(C)] +pub struct DoubleU8 { + f: u8, + g: u8, +} + +#[repr(C)] +pub struct TripleU8 { + f: u8, + g: u8, + h: u8, +} + +#[repr(C)] +pub struct TripleU16 { + f: u16, + g: u16, + h: u16, +} +#[repr(C)] +pub struct TripleU32 { + f: u32, + g: u32, + h: u32, +} +#[repr(C)] +pub struct TripleU64 { + f: u64, + g: u64, + h: u64, +} + +#[repr(C)] +pub struct DoubleFloat { + f: f32, + g: f32, +} + +#[repr(C)] +pub struct TripleFloat { + f: f32, + g: f32, + h: f32, +} + +#[repr(C)] +pub struct TripleDouble { + f: f64, + g: f64, + h: f64, +} + +#[repr(C)] +pub struct ManyIntegers { + f: u8, + g: u16, + h: u32, + i: u64, +} + +#[repr(C)] +pub struct ManyNumerics { + f: u8, + g: u16, + h: u32, + i: u64, + j: f32, + k: f64, +} + +// CHECK: .visible .func f_u8_arg( +// CHECK: .param .b32 f_u8_arg_param_0 +#[no_mangle] +pub unsafe extern "C" fn f_u8_arg(_a: u8) {} + +// CHECK: .visible .func f_u16_arg( +// CHECK: .param .b32 f_u16_arg_param_0 +#[no_mangle] +pub unsafe extern "C" fn f_u16_arg(_a: u16) {} + +// CHECK: .visible .func f_u32_arg( +// CHECK: .param .b32 f_u32_arg_param_0 +#[no_mangle] +pub unsafe extern "C" fn f_u32_arg(_a: u32) {} + +// CHECK: .visible .func f_u64_arg( +// CHECK: .param .b64 f_u64_arg_param_0 +#[no_mangle] +pub unsafe extern "C" fn f_u64_arg(_a: u64) {} + +// CHECK: .visible .func f_u128_arg( +// CHECK: .param .align 16 .b8 f_u128_arg_param_0[16] +#[no_mangle] +pub unsafe extern "C" fn f_u128_arg(_a: u128) {} + +// CHECK: .visible .func f_i8_arg( +// CHECK: .param .b32 f_i8_arg_param_0 +#[no_mangle] +pub unsafe extern "C" fn f_i8_arg(_a: i8) {} + +// CHECK: .visible .func f_i16_arg( +// CHECK: .param .b32 f_i16_arg_param_0 +#[no_mangle] +pub unsafe extern "C" fn f_i16_arg(_a: i16) {} + +// CHECK: .visible .func f_i32_arg( +// CHECK: .param .b32 f_i32_arg_param_0 +#[no_mangle] +pub unsafe extern "C" fn f_i32_arg(_a: i32) {} + +// CHECK: .visible .func f_i64_arg( +// CHECK: .param .b64 f_i64_arg_param_0 +#[no_mangle] +pub unsafe extern "C" fn f_i64_arg(_a: i64) {} + +// CHECK: .visible .func f_i128_arg( +// CHECK: .param .align 16 .b8 f_i128_arg_param_0[16] +#[no_mangle] +pub unsafe extern "C" fn f_i128_arg(_a: i128) {} + +// CHECK: .visible .func f_f32_arg( +// CHECK: .param .b32 f_f32_arg_param_0 +#[no_mangle] +pub unsafe extern "C" fn f_f32_arg(_a: f32) {} + +// CHECK: .visible .func f_f64_arg( +// CHECK: .param .b64 f_f64_arg_param_0 +#[no_mangle] +pub unsafe extern "C" fn f_f64_arg(_a: f64) {} + +// CHECK: .visible .func f_single_u8_arg( +// CHECK: .param .align 1 .b8 f_single_u8_arg_param_0[1] +#[no_mangle] +pub unsafe extern "C" fn f_single_u8_arg(_a: SingleU8) {} + +// CHECK: .visible .func f_double_u8_arg( +// CHECK: .param .align 1 .b8 f_double_u8_arg_param_0[2] +#[no_mangle] +pub unsafe extern "C" fn f_double_u8_arg(_a: DoubleU8) {} + +// CHECK: .visible .func f_triple_u8_arg( +// CHECK: .param .align 1 .b8 f_triple_u8_arg_param_0[3] +#[no_mangle] +pub unsafe extern "C" fn f_triple_u8_arg(_a: TripleU8) {} + +// CHECK: .visible .func f_triple_u16_arg( +// CHECK: .param .align 2 .b8 f_triple_u16_arg_param_0[6] +#[no_mangle] +pub unsafe extern "C" fn f_triple_u16_arg(_a: TripleU16) {} + +// CHECK: .visible .func f_triple_u32_arg( +// CHECK: .param .align 4 .b8 f_triple_u32_arg_param_0[12] +#[no_mangle] +pub unsafe extern "C" fn f_triple_u32_arg(_a: TripleU32) {} + +// CHECK: .visible .func f_triple_u64_arg( +// CHECK: .param .align 8 .b8 f_triple_u64_arg_param_0[24] +#[no_mangle] +pub unsafe extern "C" fn f_triple_u64_arg(_a: TripleU64) {} + +// CHECK: .visible .func f_many_integers_arg( +// CHECK: .param .align 8 .b8 f_many_integers_arg_param_0[16] +#[no_mangle] +pub unsafe extern "C" fn f_many_integers_arg(_a: ManyIntegers) {} + +// CHECK: .visible .func f_double_float_arg( +// CHECK: .param .align 4 .b8 f_double_float_arg_param_0[8] +#[no_mangle] +pub unsafe extern "C" fn f_double_float_arg(_a: DoubleFloat) {} + +// CHECK: .visible .func f_triple_float_arg( +// CHECK: .param .align 4 .b8 f_triple_float_arg_param_0[12] +#[no_mangle] +pub unsafe extern "C" fn f_triple_float_arg(_a: TripleFloat) {} + +// CHECK: .visible .func f_triple_double_arg( +// CHECK: .param .align 8 .b8 f_triple_double_arg_param_0[24] +#[no_mangle] +pub unsafe extern "C" fn f_triple_double_arg(_a: TripleDouble) {} + +// CHECK: .visible .func f_many_numerics_arg( +// CHECK: .param .align 8 .b8 f_many_numerics_arg_param_0[32] +#[no_mangle] +pub unsafe extern "C" fn f_many_numerics_arg(_a: ManyNumerics) {} diff --git a/tests/assembly/nvptx-c-abi-ret-v7.rs b/tests/assembly/nvptx-c-abi-ret-v7.rs new file mode 100644 index 000000000000..0c1594a5f200 --- /dev/null +++ b/tests/assembly/nvptx-c-abi-ret-v7.rs @@ -0,0 +1,230 @@ +//@ assembly-output: ptx-linker +//@ compile-flags: --crate-type cdylib -C target-cpu=sm_86 -Z unstable-options -Clinker-flavor=llbc +//@ only-nvptx64 +//@ ignore-nvptx64 + +// The PTX ABI stability is tied to major versions of the PTX ISA +// These tests assume major version 7 + +// CHECK: .version 7 + +#![feature(abi_ptx, lang_items, no_core)] +#![no_core] + +#[lang = "sized"] +trait Sized {} +#[lang = "copy"] +trait Copy {} + +#[repr(C)] +pub struct SingleU8 { + f: u8, +} + +#[repr(C)] +pub struct DoubleU8 { + f: u8, + g: u8, +} + +#[repr(C)] +pub struct TripleU8 { + f: u8, + g: u8, + h: u8, +} + +#[repr(C)] +pub struct TripleU16 { + f: u16, + g: u16, + h: u16, +} +#[repr(C)] +pub struct TripleU32 { + f: u32, + g: u32, + h: u32, +} +#[repr(C)] +pub struct TripleU64 { + f: u64, + g: u64, + h: u64, +} + +#[repr(C)] +pub struct DoubleFloat { + f: f32, + g: f32, +} + +#[repr(C)] +pub struct TripleFloat { + f: f32, + g: f32, + h: f32, +} + +#[repr(C)] +pub struct TripleDouble { + f: f64, + g: f64, + h: f64, +} + +#[repr(C)] +pub struct ManyIntegers { + f: u8, + g: u16, + h: u32, + i: u64, +} + +#[repr(C)] +pub struct ManyNumerics { + f: u8, + g: u16, + h: u32, + i: u64, + j: f32, + k: f64, +} + +// CHECK: .visible .func (.param .b32 func_retval0) f_u8_ret( +#[no_mangle] +pub unsafe extern "C" fn f_u8_ret() -> u8 { + 0 +} + +// CHECK: .visible .func (.param .b32 func_retval0) f_u16_ret( +#[no_mangle] +pub unsafe extern "C" fn f_u16_ret() -> u16 { + 1 +} + +// CHECK: .visible .func (.param .b32 func_retval0) f_u32_ret( +#[no_mangle] +pub unsafe extern "C" fn f_u32_ret() -> u32 { + 2 +} + +// CHECK: .visible .func (.param .b64 func_retval0) f_u64_ret( +#[no_mangle] +pub unsafe extern "C" fn f_u64_ret() -> u64 { + 3 +} + +// CHECK: .visible .func (.param .align 16 .b8 func_retval0[16]) f_u128_ret( +#[no_mangle] +pub unsafe extern "C" fn f_u128_ret() -> u128 { + 4 +} + +// CHECK: .visible .func (.param .b32 func_retval0) f_i8_ret( +#[no_mangle] +pub unsafe extern "C" fn f_i8_ret() -> i8 { + 5 +} + +// CHECK: .visible .func (.param .b32 func_retval0) f_i16_ret( +#[no_mangle] +pub unsafe extern "C" fn f_i16_ret() -> i16 { + 6 +} + +// CHECK: .visible .func (.param .b32 func_retval0) f_i32_ret( +#[no_mangle] +pub unsafe extern "C" fn f_i32_ret() -> i32 { + 7 +} + +// CHECK: .visible .func (.param .b64 func_retval0) f_i64_ret( +#[no_mangle] +pub unsafe extern "C" fn f_i64_ret() -> i64 { + 8 +} + +// CHECK: .visible .func (.param .align 16 .b8 func_retval0[16]) f_i128_ret( +#[no_mangle] +pub unsafe extern "C" fn f_i128_ret() -> i128 { + 9 +} + +// CHECK: .visible .func (.param .b32 func_retval0) f_f32_ret( +#[no_mangle] +pub unsafe extern "C" fn f_f32_ret() -> f32 { + 10.0 +} + +// CHECK: .visible .func (.param .b64 func_retval0) f_f64_ret( +#[no_mangle] +pub unsafe extern "C" fn f_f64_ret() -> f64 { + 11.0 +} + +// CHECK: .visible .func (.param .align 1 .b8 func_retval0[1]) f_single_u8_ret( +#[no_mangle] +pub unsafe extern "C" fn f_single_u8_ret() -> SingleU8 { + SingleU8 { f: 12 } +} + +// CHECK: .visible .func (.param .align 1 .b8 func_retval0[2]) f_double_u8_ret( +#[no_mangle] +pub unsafe extern "C" fn f_double_u8_ret() -> DoubleU8 { + DoubleU8 { f: 13, g: 14 } +} + +// CHECK: .visible .func (.param .align 1 .b8 func_retval0[3]) f_triple_u8_ret( +#[no_mangle] +pub unsafe extern "C" fn f_triple_u8_ret() -> TripleU8 { + TripleU8 { f: 15, g: 16, h: 17 } +} + +// CHECK: .visible .func (.param .align 2 .b8 func_retval0[6]) f_triple_u16_ret( +#[no_mangle] +pub unsafe extern "C" fn f_triple_u16_ret() -> TripleU16 { + TripleU16 { f: 18, g: 19, h: 20 } +} + +// CHECK: .visible .func (.param .align 4 .b8 func_retval0[12]) f_triple_u32_ret( +#[no_mangle] +pub unsafe extern "C" fn f_triple_u32_ret() -> TripleU32 { + TripleU32 { f: 20, g: 21, h: 22 } +} + +// CHECK: .visible .func (.param .align 8 .b8 func_retval0[24]) f_triple_u64_ret( +#[no_mangle] +pub unsafe extern "C" fn f_triple_u64_ret() -> TripleU64 { + TripleU64 { f: 23, g: 24, h: 25 } +} + +// CHECK: .visible .func (.param .align 8 .b8 func_retval0[16]) f_many_integers_ret( +#[no_mangle] +pub unsafe extern "C" fn f_many_integers_ret() -> ManyIntegers { + ManyIntegers { f: 26, g: 27, h: 28, i: 29 } +} + +// CHECK: .visible .func (.param .align 4 .b8 func_retval0[8]) f_double_float_ret( +#[no_mangle] +pub unsafe extern "C" fn f_double_float_ret() -> DoubleFloat { + DoubleFloat { f: 29.0, g: 30.0 } +} + +// CHECK: .visible .func (.param .align 4 .b8 func_retval0[12]) f_triple_float_ret( +#[no_mangle] +pub unsafe extern "C" fn f_triple_float_ret() -> TripleFloat { + TripleFloat { f: 31.0, g: 32.0, h: 33.0 } +} + +// CHECK: .visible .func (.param .align 8 .b8 func_retval0[24]) f_triple_double_ret( +#[no_mangle] +pub unsafe extern "C" fn f_triple_double_ret() -> TripleDouble { + TripleDouble { f: 34.0, g: 35.0, h: 36.0 } +} + +// CHECK: .visible .func (.param .align 8 .b8 func_retval0[32]) f_many_numerics_ret( +#[no_mangle] +pub unsafe extern "C" fn f_many_numerics_ret() -> ManyNumerics { + ManyNumerics { f: 37, g: 38, h: 39, i: 40, j: 41.0, k: 43.0 } +} From 2baeb9be544d42b03044d5598ea66725d53fddf0 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Fri, 10 May 2024 14:59:56 -0400 Subject: [PATCH 0089/1716] Lift `TraitRef` into `rustc_type_ir` --- clippy_lints/src/future_not_send.rs | 1 + clippy_utils/src/qualify_min_const_fn.rs | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/clippy_lints/src/future_not_send.rs b/clippy_lints/src/future_not_send.rs index 18f4e51ebd66..2c2daac02349 100644 --- a/clippy_lints/src/future_not_send.rs +++ b/clippy_lints/src/future_not_send.rs @@ -5,6 +5,7 @@ use rustc_hir::{Body, FnDecl}; use rustc_infer::infer::TyCtxtInferExt; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty::{self, AliasTy, ClauseKind, PredicateKind}; +use rustc_middle::ty::print::PrintTraitRefExt; use rustc_session::declare_lint_pass; use rustc_span::def_id::LocalDefId; use rustc_span::{sym, Span}; diff --git a/clippy_utils/src/qualify_min_const_fn.rs b/clippy_utils/src/qualify_min_const_fn.rs index d8d26e21369a..95851a2eed81 100644 --- a/clippy_utils/src/qualify_min_const_fn.rs +++ b/clippy_utils/src/qualify_min_const_fn.rs @@ -402,7 +402,7 @@ fn is_ty_const_destruct<'tcx>(tcx: TyCtxt<'tcx>, ty: Ty<'tcx>, body: &Body<'tcx> tcx, ObligationCause::dummy_with_span(body.span), ConstCx::new(tcx, body).param_env, - TraitRef::from_lang_item(tcx, LangItem::Destruct, body.span, [ty]), + TraitRef::new(tcx, tcx.require_lang_item(LangItem::Destruct, Some(body.span)), [ty]), ); let infcx = tcx.infer_ctxt().build(); From 1b5d91b446ca566d6f73761539a94c911ea663d0 Mon Sep 17 00:00:00 2001 From: Daniel Paoliello Date: Fri, 10 May 2024 12:37:16 -0700 Subject: [PATCH 0090/1716] Reduce size of builders that take less than an hour --- src/ci/github-actions/jobs.yml | 46 +++++++++++++++++----------------- 1 file changed, 23 insertions(+), 23 deletions(-) diff --git a/src/ci/github-actions/jobs.yml b/src/ci/github-actions/jobs.yml index 04888dc09b50..d171fa91cfcd 100644 --- a/src/ci/github-actions/jobs.yml +++ b/src/ci/github-actions/jobs.yml @@ -108,66 +108,66 @@ auto: <<: *job-aarch64-linux - image: arm-android - <<: *job-linux-8c + <<: *job-linux-4c - image: armhf-gnu - <<: *job-linux-8c + <<: *job-linux-4c - image: dist-aarch64-linux env: CODEGEN_BACKENDS: llvm,cranelift - <<: *job-linux-8c + <<: *job-linux-4c - image: dist-android - <<: *job-linux-8c + <<: *job-linux-4c - image: dist-arm-linux - <<: *job-linux-16c + <<: *job-linux-8c - image: dist-armhf-linux - <<: *job-linux-8c + <<: *job-linux-4c - image: dist-armv7-linux - <<: *job-linux-8c + <<: *job-linux-4c - image: dist-i586-gnu-i586-i686-musl - <<: *job-linux-8c + <<: *job-linux-4c - image: dist-i686-linux - <<: *job-linux-8c + <<: *job-linux-4c - image: dist-loongarch64-linux - <<: *job-linux-8c + <<: *job-linux-4c - image: dist-ohos - <<: *job-linux-8c + <<: *job-linux-4c - image: dist-powerpc-linux - <<: *job-linux-8c + <<: *job-linux-4c - image: dist-powerpc64-linux - <<: *job-linux-8c + <<: *job-linux-4c - image: dist-powerpc64le-linux - <<: *job-linux-8c + <<: *job-linux-4c - image: dist-riscv64-linux - <<: *job-linux-8c + <<: *job-linux-4c - image: dist-s390x-linux - <<: *job-linux-8c + <<: *job-linux-4c - image: dist-various-1 - <<: *job-linux-8c + <<: *job-linux-4c - image: dist-various-2 - <<: *job-linux-8c + <<: *job-linux-4c - image: dist-x86_64-freebsd - <<: *job-linux-8c + <<: *job-linux-4c - image: dist-x86_64-illumos - <<: *job-linux-8c + <<: *job-linux-4c - image: dist-x86_64-linux env: @@ -186,7 +186,7 @@ auto: <<: *job-linux-8c - image: dist-x86_64-netbsd - <<: *job-linux-8c + <<: *job-linux-4c - image: i686-gnu <<: *job-linux-8c @@ -198,7 +198,7 @@ auto: <<: *job-linux-4c - image: test-various - <<: *job-linux-8c + <<: *job-linux-4c - image: x86_64-gnu <<: *job-linux-4c @@ -229,7 +229,7 @@ auto: <<: *job-linux-8c - image: x86_64-gnu-debug - <<: *job-linux-8c + <<: *job-linux-4c - image: x86_64-gnu-distcheck <<: *job-linux-8c From 904c99c163a53c4b9a49f172f9ceaa2ac8445473 Mon Sep 17 00:00:00 2001 From: J-ZhengLi Date: Sat, 11 May 2024 15:37:31 +0800 Subject: [PATCH 0091/1716] make [`from_str_radix_10`] skip constant context --- clippy_lints/src/from_str_radix_10.rs | 5 ++++- tests/ui/from_str_radix_10.fixed | 11 +++++++++++ tests/ui/from_str_radix_10.rs | 11 +++++++++++ tests/ui/from_str_radix_10.stderr | 16 ++++++++-------- 4 files changed, 34 insertions(+), 9 deletions(-) diff --git a/clippy_lints/src/from_str_radix_10.rs b/clippy_lints/src/from_str_radix_10.rs index 633ed96d6a6d..82ce501bac59 100644 --- a/clippy_lints/src/from_str_radix_10.rs +++ b/clippy_lints/src/from_str_radix_10.rs @@ -1,7 +1,7 @@ use clippy_utils::diagnostics::span_lint_and_sugg; -use clippy_utils::is_integer_literal; use clippy_utils::sugg::Sugg; use clippy_utils::ty::{is_type_diagnostic_item, is_type_lang_item}; +use clippy_utils::{in_constant, is_integer_literal}; use rustc_errors::Applicability; use rustc_hir::{def, Expr, ExprKind, LangItem, PrimTy, QPath, TyKind}; use rustc_lint::{LateContext, LateLintPass}; @@ -47,6 +47,9 @@ impl<'tcx> LateLintPass<'tcx> for FromStrRadix10 { fn check_expr(&mut self, cx: &LateContext<'tcx>, exp: &Expr<'tcx>) { if let ExprKind::Call(maybe_path, [src, radix]) = &exp.kind && let ExprKind::Path(QPath::TypeRelative(ty, pathseg)) = &maybe_path.kind + // do not lint in constant context, because the suggestion won't work. + // NB: keep this check until a new `const_trait_impl` is available and stablized. + && !in_constant(cx, exp.hir_id) // check if the first part of the path is some integer primitive && let TyKind::Path(ty_qpath) = &ty.kind diff --git a/tests/ui/from_str_radix_10.fixed b/tests/ui/from_str_radix_10.fixed index 8c253bfd99a5..f9ce1defda17 100644 --- a/tests/ui/from_str_radix_10.fixed +++ b/tests/ui/from_str_radix_10.fixed @@ -1,3 +1,4 @@ +#![feature(const_int_from_str)] #![warn(clippy::from_str_radix_10)] mod some_mod { @@ -59,3 +60,13 @@ fn main() -> Result<(), Box> { Ok(()) } + +fn issue_12732() { + const A: Result = u32::from_str_radix("123", 10); + const B: () = { + let _ = u32::from_str_radix("123", 10); + }; + const fn foo() { + let _ = u32::from_str_radix("123", 10); + } +} diff --git a/tests/ui/from_str_radix_10.rs b/tests/ui/from_str_radix_10.rs index e9d02215710c..2d5b351f8da3 100644 --- a/tests/ui/from_str_radix_10.rs +++ b/tests/ui/from_str_radix_10.rs @@ -1,3 +1,4 @@ +#![feature(const_int_from_str)] #![warn(clippy::from_str_radix_10)] mod some_mod { @@ -59,3 +60,13 @@ fn main() -> Result<(), Box> { Ok(()) } + +fn issue_12732() { + const A: Result = u32::from_str_radix("123", 10); + const B: () = { + let _ = u32::from_str_radix("123", 10); + }; + const fn foo() { + let _ = u32::from_str_radix("123", 10); + } +} diff --git a/tests/ui/from_str_radix_10.stderr b/tests/ui/from_str_radix_10.stderr index 4aa84eca2612..01a1bf8940a1 100644 --- a/tests/ui/from_str_radix_10.stderr +++ b/tests/ui/from_str_radix_10.stderr @@ -1,5 +1,5 @@ error: this call to `from_str_radix` can be replaced with a call to `str::parse` - --> tests/ui/from_str_radix_10.rs:28:5 + --> tests/ui/from_str_radix_10.rs:29:5 | LL | u32::from_str_radix("30", 10)?; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `"30".parse::()` @@ -8,43 +8,43 @@ LL | u32::from_str_radix("30", 10)?; = help: to override `-D warnings` add `#[allow(clippy::from_str_radix_10)]` error: this call to `from_str_radix` can be replaced with a call to `str::parse` - --> tests/ui/from_str_radix_10.rs:31:5 + --> tests/ui/from_str_radix_10.rs:32:5 | LL | i64::from_str_radix("24", 10)?; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `"24".parse::()` error: this call to `from_str_radix` can be replaced with a call to `str::parse` - --> tests/ui/from_str_radix_10.rs:33:5 + --> tests/ui/from_str_radix_10.rs:34:5 | LL | isize::from_str_radix("100", 10)?; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `"100".parse::()` error: this call to `from_str_radix` can be replaced with a call to `str::parse` - --> tests/ui/from_str_radix_10.rs:35:5 + --> tests/ui/from_str_radix_10.rs:36:5 | LL | u8::from_str_radix("7", 10)?; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `"7".parse::()` error: this call to `from_str_radix` can be replaced with a call to `str::parse` - --> tests/ui/from_str_radix_10.rs:37:5 + --> tests/ui/from_str_radix_10.rs:38:5 | LL | u16::from_str_radix(&("10".to_owned() + "5"), 10)?; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `("10".to_owned() + "5").parse::()` error: this call to `from_str_radix` can be replaced with a call to `str::parse` - --> tests/ui/from_str_radix_10.rs:39:5 + --> tests/ui/from_str_radix_10.rs:40:5 | LL | i128::from_str_radix(Test + Test, 10)?; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(Test + Test).parse::()` error: this call to `from_str_radix` can be replaced with a call to `str::parse` - --> tests/ui/from_str_radix_10.rs:43:5 + --> tests/ui/from_str_radix_10.rs:44:5 | LL | i32::from_str_radix(string, 10)?; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `string.parse::()` error: this call to `from_str_radix` can be replaced with a call to `str::parse` - --> tests/ui/from_str_radix_10.rs:47:5 + --> tests/ui/from_str_radix_10.rs:48:5 | LL | i32::from_str_radix(&stringier, 10)?; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `stringier.parse::()` From e928185f6e4912891748da963b5d5fdfd44dfdf0 Mon Sep 17 00:00:00 2001 From: bendn Date: Sat, 11 May 2024 08:41:04 +0700 Subject: [PATCH 0092/1716] support `f*_algebraic` --- src/tools/miri/src/intrinsics/mod.rs | 22 +++++++++++++ .../pass/intrinsics/float_algebraic_math.rs | 32 +++++++++++++++++++ 2 files changed, 54 insertions(+) create mode 100644 src/tools/miri/tests/pass/intrinsics/float_algebraic_math.rs diff --git a/src/tools/miri/src/intrinsics/mod.rs b/src/tools/miri/src/intrinsics/mod.rs index effd7f6d5435..e38a9e4d5e03 100644 --- a/src/tools/miri/src/intrinsics/mod.rs +++ b/src/tools/miri/src/intrinsics/mod.rs @@ -256,6 +256,28 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let res = this.adjust_nan(res, &[f]); this.write_scalar(res, dest)?; } + #[rustfmt::skip] + | "fadd_algebraic" + | "fsub_algebraic" + | "fmul_algebraic" + | "fdiv_algebraic" + | "frem_algebraic" + => { + let [a, b] = check_arg_count(args)?; + let a = this.read_immediate(a)?; + let b = this.read_immediate(b)?; + let op = match intrinsic_name { + "fadd_algebraic" => mir::BinOp::Add, + "fsub_algebraic" => mir::BinOp::Sub, + "fmul_algebraic" => mir::BinOp::Mul, + "fdiv_algebraic" => mir::BinOp::Div, + "frem_algebraic" => mir::BinOp::Rem, + _ => bug!(), + }; + let res = this.wrapping_binary_op(op, &a, &b)?; + // `wrapping_binary_op` already called `generate_nan` if necessary. + this.write_immediate(*res, dest)?; + } #[rustfmt::skip] | "fadd_fast" diff --git a/src/tools/miri/tests/pass/intrinsics/float_algebraic_math.rs b/src/tools/miri/tests/pass/intrinsics/float_algebraic_math.rs new file mode 100644 index 000000000000..f6f083f7b5f5 --- /dev/null +++ b/src/tools/miri/tests/pass/intrinsics/float_algebraic_math.rs @@ -0,0 +1,32 @@ +#![feature(core_intrinsics)] + +use std::intrinsics::{ + fadd_algebraic, fdiv_algebraic, fmul_algebraic, frem_algebraic, fsub_algebraic, +}; + +#[inline(never)] +pub fn test_operations_f64(a: f64, b: f64) { + // make sure they all map to the correct operation + assert_eq!(fadd_algebraic(a, b), a + b); + assert_eq!(fsub_algebraic(a, b), a - b); + assert_eq!(fmul_algebraic(a, b), a * b); + assert_eq!(fdiv_algebraic(a, b), a / b); + assert_eq!(frem_algebraic(a, b), a % b); +} + +#[inline(never)] +pub fn test_operations_f32(a: f32, b: f32) { + // make sure they all map to the correct operation + assert_eq!(fadd_algebraic(a, b), a + b); + assert_eq!(fsub_algebraic(a, b), a - b); + assert_eq!(fmul_algebraic(a, b), a * b); + assert_eq!(fdiv_algebraic(a, b), a / b); + assert_eq!(frem_algebraic(a, b), a % b); +} + +fn main() { + test_operations_f64(1., 2.); + test_operations_f64(10., 5.); + test_operations_f32(11., 2.); + test_operations_f32(10., 15.); +} From 1d1981b7b05f7883d23b4edcdc73868333bd318a Mon Sep 17 00:00:00 2001 From: Dion Dokter Date: Sat, 11 May 2024 14:07:19 +0200 Subject: [PATCH 0093/1716] Add opt-for-size core lib feature flag --- library/core/Cargo.toml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/library/core/Cargo.toml b/library/core/Cargo.toml index a02fcf504168..11d33971f256 100644 --- a/library/core/Cargo.toml +++ b/library/core/Cargo.toml @@ -31,6 +31,8 @@ rand_xorshift = { version = "0.3.0", default-features = false } [features] # Make panics and failed asserts immediately abort without formatting any message panic_immediate_abort = [] +# Choose algorithms that are optimized for binary size instead of runtime performance +optimize_for_size = [] # Make `RefCell` store additional debugging information, which is printed out when # a borrow error occurs debug_refcell = [] From 579266a6be892d2b2e7410fe992308a9a8896193 Mon Sep 17 00:00:00 2001 From: Dion Dokter Date: Sat, 11 May 2024 14:20:03 +0200 Subject: [PATCH 0094/1716] Add flag to std and alloc too --- library/alloc/Cargo.toml | 2 ++ library/std/Cargo.toml | 2 ++ 2 files changed, 4 insertions(+) diff --git a/library/alloc/Cargo.toml b/library/alloc/Cargo.toml index e8afed6b35a8..4548a27b420c 100644 --- a/library/alloc/Cargo.toml +++ b/library/alloc/Cargo.toml @@ -38,3 +38,5 @@ compiler-builtins-mangled-names = ["compiler_builtins/mangled-names"] compiler-builtins-weak-intrinsics = ["compiler_builtins/weak-intrinsics"] # Make panics and failed asserts immediately abort without formatting any message panic_immediate_abort = [] +# Choose algorithms that are optimized for binary size instead of runtime performance +optimize_for_size = [] diff --git a/library/std/Cargo.toml b/library/std/Cargo.toml index 52729ba1f845..81fd26692a51 100644 --- a/library/std/Cargo.toml +++ b/library/std/Cargo.toml @@ -81,6 +81,8 @@ system-llvm-libunwind = ["unwind/system-llvm-libunwind"] # Make panics and failed asserts immediately abort without formatting any message panic_immediate_abort = ["core/panic_immediate_abort", "alloc/panic_immediate_abort"] +# Choose algorithms that are optimized for binary size instead of runtime performance +optimize_for_size = ["core/optimize_for_size", "alloc/optimize_for_size"] # Enable std_detect default features for stdarch/crates/std_detect: # https://github.com/rust-lang/stdarch/blob/master/crates/std_detect/Cargo.toml From 9ab0af820dddae34405252869597d3d853896ed0 Mon Sep 17 00:00:00 2001 From: Dion Dokter Date: Sat, 11 May 2024 14:31:55 +0200 Subject: [PATCH 0095/1716] Add flag to sysroot --- library/sysroot/Cargo.toml | 1 + 1 file changed, 1 insertion(+) diff --git a/library/sysroot/Cargo.toml b/library/sysroot/Cargo.toml index 6ff24a8db59c..1ddacd92e6b9 100644 --- a/library/sysroot/Cargo.toml +++ b/library/sysroot/Cargo.toml @@ -22,6 +22,7 @@ llvm-libunwind = ["std/llvm-libunwind"] system-llvm-libunwind = ["std/system-llvm-libunwind"] panic-unwind = ["std/panic_unwind"] panic_immediate_abort = ["std/panic_immediate_abort"] +optimize_for_size = ["std/optimize_for_size"] profiler = ["std/profiler"] std_detect_file_io = ["std/std_detect_file_io"] std_detect_dlsym_getauxval = ["std/std_detect_dlsym_getauxval"] From 7faa879486f6aa2871634b54cef3f886591ef323 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Le=C3=B3n=20Orell=20Valerian=20Liehr?= Date: Sat, 11 May 2024 15:40:34 +0200 Subject: [PATCH 0096/1716] Pattern types: Prohibit generic args on const params --- compiler/rustc_hir_analysis/messages.ftl | 6 +-- .../src/hir_ty_lowering/errors.rs | 12 +++--- .../src/hir_ty_lowering/mod.rs | 11 ++++-- .../bad_const_generics_args_on_const_param.rs | 10 +++++ ..._const_generics_args_on_const_param.stderr | 38 +++++++++++++++++++ tests/ui/type/pattern_types/bad_pat.stderr | 2 +- 6 files changed, 66 insertions(+), 13 deletions(-) create mode 100644 tests/ui/type/pattern_types/bad_const_generics_args_on_const_param.rs create mode 100644 tests/ui/type/pattern_types/bad_const_generics_args_on_const_param.stderr diff --git a/compiler/rustc_hir_analysis/messages.ftl b/compiler/rustc_hir_analysis/messages.ftl index 3edea0191faf..cf492a2a3fee 100644 --- a/compiler/rustc_hir_analysis/messages.ftl +++ b/compiler/rustc_hir_analysis/messages.ftl @@ -371,9 +371,9 @@ hir_analysis_pass_to_variadic_function = can't pass `{$ty}` to variadic function .suggestion = cast the value to `{$cast_ty}` .help = cast the value to `{$cast_ty}` -hir_analysis_pattern_type_non_const_range = "range patterns must have constant range start and end" -hir_analysis_pattern_type_wild_pat = "wildcard patterns are not permitted for pattern types" - .label = "this type is the same as the inner type without a pattern" +hir_analysis_pattern_type_non_const_range = range patterns must have constant range start and end +hir_analysis_pattern_type_wild_pat = wildcard patterns are not permitted for pattern types + .label = this type is the same as the inner type without a pattern hir_analysis_placeholder_not_allowed_item_signatures = the placeholder `_` is not allowed within types on item signatures for {$kind} .label = not allowed in type signatures diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/errors.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/errors.rs index 8e64a9425bb9..a8153c4a0881 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/errors.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/errors.rs @@ -1388,7 +1388,7 @@ pub enum GenericsArgsErrExtend<'tcx> { span: Span, }, SelfTyParam(Span), - TyParam(DefId), + Param(DefId), DefVariant, None, } @@ -1504,11 +1504,11 @@ fn generics_args_err_extend<'a>( GenericsArgsErrExtend::DefVariant => { err.note("enum variants can't have type parameters"); } - GenericsArgsErrExtend::TyParam(def_id) => { - if let Some(span) = tcx.def_ident_span(def_id) { - let name = tcx.item_name(def_id); - err.span_note(span, format!("type parameter `{name}` defined here")); - } + GenericsArgsErrExtend::Param(def_id) => { + let span = tcx.def_ident_span(def_id).unwrap(); + let kind = tcx.def_descr(def_id); + let name = tcx.item_name(def_id); + err.span_note(span, format!("{kind} `{name}` defined here")); } GenericsArgsErrExtend::SelfTyParam(span) => { err.span_suggestion_verbose( diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs index f7213442ac2d..37c6ef84f246 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs @@ -1756,7 +1756,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { assert_eq!(opt_self_ty, None); let _ = self.prohibit_generic_args( path.segments.iter(), - GenericsArgsErrExtend::TyParam(def_id), + GenericsArgsErrExtend::Param(def_id), ); self.lower_ty_param(hir_id) } @@ -2196,10 +2196,15 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { hir::ExprKind::Path(hir::QPath::Resolved( _, - &hir::Path { - res: Res::Def(DefKind::ConstParam, def_id), .. + path @ &hir::Path { + res: Res::Def(DefKind::ConstParam, def_id), + .. }, )) => { + let _ = self.prohibit_generic_args( + path.segments.iter(), + GenericsArgsErrExtend::Param(def_id), + ); let ty = tcx .type_of(def_id) .no_bound_vars() diff --git a/tests/ui/type/pattern_types/bad_const_generics_args_on_const_param.rs b/tests/ui/type/pattern_types/bad_const_generics_args_on_const_param.rs new file mode 100644 index 000000000000..050b7b44b4e0 --- /dev/null +++ b/tests/ui/type/pattern_types/bad_const_generics_args_on_const_param.rs @@ -0,0 +1,10 @@ +#![feature(pattern_types, core_pattern_type)] +#![allow(internal_features)] + +type Pat = + std::pat::pattern_type!(u32 is START::<(), i32, 2>..=END::<_, Assoc = ()>); +//~^ ERROR type and const arguments are not allowed on const parameter `START` +//~| ERROR type arguments are not allowed on const parameter `END` +//~| ERROR associated type bindings are not allowed here + +fn main() {} diff --git a/tests/ui/type/pattern_types/bad_const_generics_args_on_const_param.stderr b/tests/ui/type/pattern_types/bad_const_generics_args_on_const_param.stderr new file mode 100644 index 000000000000..40effe924da8 --- /dev/null +++ b/tests/ui/type/pattern_types/bad_const_generics_args_on_const_param.stderr @@ -0,0 +1,38 @@ +error[E0109]: type and const arguments are not allowed on const parameter `START` + --> $DIR/bad_const_generics_args_on_const_param.rs:5:44 + | +LL | std::pat::pattern_type!(u32 is START::<(), i32, 2>..=END::<_, Assoc = ()>); + | ----- ^^ ^^^ ^ type and const arguments not allowed + | | + | not allowed on const parameter `START` + | +note: const parameter `START` defined here + --> $DIR/bad_const_generics_args_on_const_param.rs:4:16 + | +LL | type Pat = + | ^^^^^ + +error[E0109]: type arguments are not allowed on const parameter `END` + --> $DIR/bad_const_generics_args_on_const_param.rs:5:64 + | +LL | std::pat::pattern_type!(u32 is START::<(), i32, 2>..=END::<_, Assoc = ()>); + | --- ^ type argument not allowed + | | + | not allowed on const parameter `END` + | +note: const parameter `END` defined here + --> $DIR/bad_const_generics_args_on_const_param.rs:4:34 + | +LL | type Pat = + | ^^^ + +error[E0229]: associated type bindings are not allowed here + --> $DIR/bad_const_generics_args_on_const_param.rs:5:67 + | +LL | std::pat::pattern_type!(u32 is START::<(), i32, 2>..=END::<_, Assoc = ()>); + | ^^^^^^^^^^ associated type not allowed here + +error: aborting due to 3 previous errors + +Some errors have detailed explanations: E0109, E0229. +For more information about an error, try `rustc --explain E0109`. diff --git a/tests/ui/type/pattern_types/bad_pat.stderr b/tests/ui/type/pattern_types/bad_pat.stderr index 4f0f0bc97427..2abf27100c1d 100644 --- a/tests/ui/type/pattern_types/bad_pat.stderr +++ b/tests/ui/type/pattern_types/bad_pat.stderr @@ -14,7 +14,7 @@ LL | type Positive2 = pattern_type!(i32 is 0..=); | = note: inclusive ranges must be bounded at the end (`..=b` or `a..=b`) -error: "wildcard patterns are not permitted for pattern types" +error: wildcard patterns are not permitted for pattern types --> $DIR/bad_pat.rs:11:33 | LL | type Wild = pattern_type!(() is _); From cb3fcbbcfe3d92ae822f5fba402dbb3d48f30470 Mon Sep 17 00:00:00 2001 From: Yusuf Raji Date: Sat, 11 May 2024 17:06:12 +0200 Subject: [PATCH 0097/1716] Improve clippy_lints/src/loops/mod.rs doc Co-authored-by: llogiq --- clippy_lints/src/loops/mod.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/clippy_lints/src/loops/mod.rs b/clippy_lints/src/loops/mod.rs index eb363a703929..3dcb050d77e6 100644 --- a/clippy_lints/src/loops/mod.rs +++ b/clippy_lints/src/loops/mod.rs @@ -427,7 +427,7 @@ declare_clippy_lint! { /// /// ### Known problems /// The lint will catch all while loops comparing floating point - /// values no matter whether it's a threshold or something. + /// values without regarding the increment. /// /// ### Example /// ```no_run From bf5906fbb44f8bbe9707bf98ddb4d4705e4b302a Mon Sep 17 00:00:00 2001 From: tiif Date: Sun, 12 May 2024 15:01:18 +0800 Subject: [PATCH 0098/1716] Add non-null pointer for posix_memalign --- .../miri/src/shims/unix/foreign_items.rs | 16 +++++------- .../posix_memalign_size_zero_double_free.rs | 14 +++++++++++ ...osix_memalign_size_zero_double_free.stderr | 25 +++++++++++++++++++ .../libc/posix_memalign_size_zero_leak.rs | 10 ++++++++ .../libc/posix_memalign_size_zero_leak.stderr | 15 +++++++++++ .../miri/tests/pass-dep/libc/libc-mem.rs | 7 +++--- 6 files changed, 73 insertions(+), 14 deletions(-) create mode 100644 src/tools/miri/tests/fail-dep/libc/posix_memalign_size_zero_double_free.rs create mode 100644 src/tools/miri/tests/fail-dep/libc/posix_memalign_size_zero_double_free.stderr create mode 100644 src/tools/miri/tests/fail-dep/libc/posix_memalign_size_zero_leak.rs create mode 100644 src/tools/miri/tests/fail-dep/libc/posix_memalign_size_zero_leak.stderr diff --git a/src/tools/miri/src/shims/unix/foreign_items.rs b/src/tools/miri/src/shims/unix/foreign_items.rs index 08f64e499b55..b5165548d1bd 100644 --- a/src/tools/miri/src/shims/unix/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/foreign_items.rs @@ -259,16 +259,12 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let einval = this.eval_libc_i32("EINVAL"); this.write_int(einval, dest)?; } else { - if size == 0 { - this.write_null(&ret)?; - } else { - let ptr = this.allocate_ptr( - Size::from_bytes(size), - Align::from_bytes(align).unwrap(), - MiriMemoryKind::C.into(), - )?; - this.write_pointer(ptr, &ret)?; - } + let ptr = this.allocate_ptr( + Size::from_bytes(size), + Align::from_bytes(align).unwrap(), + MiriMemoryKind::C.into(), + )?; + this.write_pointer(ptr, &ret)?; this.write_null(dest)?; } } diff --git a/src/tools/miri/tests/fail-dep/libc/posix_memalign_size_zero_double_free.rs b/src/tools/miri/tests/fail-dep/libc/posix_memalign_size_zero_double_free.rs new file mode 100644 index 000000000000..b6b7b007f2b6 --- /dev/null +++ b/src/tools/miri/tests/fail-dep/libc/posix_memalign_size_zero_double_free.rs @@ -0,0 +1,14 @@ +//@ignore-target-windows: No posix_memalign on Windows + +use std::ptr; + +fn main() { + let mut ptr: *mut libc::c_void = ptr::null_mut(); + let align = 64; + let size = 0; + unsafe { + let _ = libc::posix_memalign(&mut ptr, align, size); + libc::free(ptr); + libc::free(ptr); //~ERROR: dangling + } +} diff --git a/src/tools/miri/tests/fail-dep/libc/posix_memalign_size_zero_double_free.stderr b/src/tools/miri/tests/fail-dep/libc/posix_memalign_size_zero_double_free.stderr new file mode 100644 index 000000000000..3ed117c5a0ad --- /dev/null +++ b/src/tools/miri/tests/fail-dep/libc/posix_memalign_size_zero_double_free.stderr @@ -0,0 +1,25 @@ +error: Undefined Behavior: memory access failed: ALLOC has been freed, so this pointer is dangling + --> $DIR/posix_memalign_size_zero_double_free.rs:LL:CC + | +LL | libc::free(ptr); + | ^^^^^^^^^^^^^^^ memory access failed: ALLOC has been freed, so this pointer is dangling + | + = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior + = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information +help: ALLOC was allocated here: + --> $DIR/posix_memalign_size_zero_double_free.rs:LL:CC + | +LL | let _ = libc::posix_memalign(&mut ptr, align, size); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +help: ALLOC was deallocated here: + --> $DIR/posix_memalign_size_zero_double_free.rs:LL:CC + | +LL | libc::free(ptr); + | ^^^^^^^^^^^^^^^ + = note: BACKTRACE (of the first span): + = note: inside `main` at $DIR/posix_memalign_size_zero_double_free.rs:LL:CC + +note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace + +error: aborting due to 1 previous error + diff --git a/src/tools/miri/tests/fail-dep/libc/posix_memalign_size_zero_leak.rs b/src/tools/miri/tests/fail-dep/libc/posix_memalign_size_zero_leak.rs new file mode 100644 index 000000000000..1a4c9605fe01 --- /dev/null +++ b/src/tools/miri/tests/fail-dep/libc/posix_memalign_size_zero_leak.rs @@ -0,0 +1,10 @@ +//@ignore-target-windows: No posix_memalign on Windows + +use std::ptr; + +fn main() { + let mut ptr: *mut libc::c_void = ptr::null_mut(); + let align = 64; + let size = 0; + let _ = unsafe { libc::posix_memalign(&mut ptr, align, size) }; //~ERROR: memory leak +} diff --git a/src/tools/miri/tests/fail-dep/libc/posix_memalign_size_zero_leak.stderr b/src/tools/miri/tests/fail-dep/libc/posix_memalign_size_zero_leak.stderr new file mode 100644 index 000000000000..7ea0fa314697 --- /dev/null +++ b/src/tools/miri/tests/fail-dep/libc/posix_memalign_size_zero_leak.stderr @@ -0,0 +1,15 @@ +error: memory leaked: ALLOC (C heap, size: 0, align: 64), allocated here: + --> $DIR/posix_memalign_size_zero_leak.rs:LL:CC + | +LL | let _ = unsafe { libc::posix_memalign(&mut ptr, align, size) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: BACKTRACE: + = note: inside `main` at $DIR/posix_memalign_size_zero_leak.rs:LL:CC + +note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace + +note: the evaluated program leaked memory, pass `-Zmiri-ignore-leaks` to disable this check + +error: aborting due to 1 previous error + diff --git a/src/tools/miri/tests/pass-dep/libc/libc-mem.rs b/src/tools/miri/tests/pass-dep/libc/libc-mem.rs index 5df3ace7496f..b36fb436b572 100644 --- a/src/tools/miri/tests/pass-dep/libc/libc-mem.rs +++ b/src/tools/miri/tests/pass-dep/libc/libc-mem.rs @@ -190,11 +190,10 @@ fn test_memalign() { let align = 64; let size = 0; assert_eq!(libc::posix_memalign(&mut ptr, align, size), 0); - // We are not required to return null if size == 0, but we currently do. - // It's fine to remove this assert if we start returning non-null pointers. - assert!(ptr.is_null()); + // Non-null pointer is returned if size == 0. + // (This is not a guarantee, it just reflects our current behavior.) + assert!(!ptr.is_null()); assert!(ptr.is_aligned_to(align)); - // Regardless of what we return, it must be `free`able. libc::free(ptr); } From 7c76eec30ff6cdb00b234896f6e0c5b76ef7143f Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sun, 12 May 2024 09:59:08 +0200 Subject: [PATCH 0099/1716] reference type safety invariant docs: clarification --- library/core/src/primitive_docs.rs | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/library/core/src/primitive_docs.rs b/library/core/src/primitive_docs.rs index d8597369b9bf..50e0afab9e6c 100644 --- a/library/core/src/primitive_docs.rs +++ b/library/core/src/primitive_docs.rs @@ -1475,14 +1475,17 @@ mod prim_usize {} /// /// For instance, this means that unsafe code in a safe function may assume these invariants are /// ensured of arguments passed by the caller, and it may assume that these invariants are ensured -/// of return values from any safe functions it calls. In most cases, the inverse is also true: -/// unsafe code must not violate these invariants when passing arguments to safe functions or -/// returning values from safe functions; such violations may result in undefined behavior. Where -/// exceptions to this latter requirement exist, they will be called out explicitly in documentation. +/// of return values from any safe functions it calls. +/// +/// For the other direction, things are more complicated: when unsafe code passes arguments +/// to safe functions or returns values from safe functions, they generally must *at least* +/// not violate these invariants. The full requirements are stronger, as the reference generally +/// must point to data that is safe to use at type `T`. /// /// It is not decided yet whether unsafe code may violate these invariants temporarily on internal /// data. As a consequence, unsafe code which violates these invariants temporarily on internal data -/// may become unsound in future versions of Rust depending on how this question is decided. +/// may be unsound or become unsound in future versions of Rust depending on how this question is +/// decided. /// /// [allocated object]: ptr#allocated-object #[stable(feature = "rust1", since = "1.0.0")] From 9fc569d67f5e07941ed27d16148df8ebfad0a97b Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sun, 12 May 2024 10:09:45 +0200 Subject: [PATCH 0100/1716] organize float intrinsic implementations a bit --- src/tools/miri/src/intrinsics/mod.rs | 214 +++++++++++++-------------- 1 file changed, 102 insertions(+), 112 deletions(-) diff --git a/src/tools/miri/src/intrinsics/mod.rs b/src/tools/miri/src/intrinsics/mod.rs index cf5d9913817a..7344846d6d9d 100644 --- a/src/tools/miri/src/intrinsics/mod.rs +++ b/src/tools/miri/src/intrinsics/mod.rs @@ -167,6 +167,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { // This is a "bitwise" operation, so there's no NaN non-determinism. this.write_scalar(Scalar::from_f64(f.abs()), dest)?; } + "floorf32" | "ceilf32" | "truncf32" | "roundf32" | "rintf32" => { let [f] = check_arg_count(args)?; let f = this.read_scalar(f)?.to_f32()?; @@ -182,6 +183,22 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let res = this.adjust_nan(res, &[f]); this.write_scalar(res, dest)?; } + "floorf64" | "ceilf64" | "truncf64" | "roundf64" | "rintf64" => { + let [f] = check_arg_count(args)?; + let f = this.read_scalar(f)?.to_f64()?; + let mode = match intrinsic_name { + "floorf64" => Round::TowardNegative, + "ceilf64" => Round::TowardPositive, + "truncf64" => Round::TowardZero, + "roundf64" => Round::NearestTiesToAway, + "rintf64" => Round::NearestTiesToEven, + _ => bug!(), + }; + let res = f.round_to_integral(mode).value; + let res = this.adjust_nan(res, &[f]); + this.write_scalar(res, dest)?; + } + #[rustfmt::skip] | "sinf32" | "cosf32" @@ -211,22 +228,6 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let res = this.adjust_nan(res, &[f]); this.write_scalar(res, dest)?; } - - "floorf64" | "ceilf64" | "truncf64" | "roundf64" | "rintf64" => { - let [f] = check_arg_count(args)?; - let f = this.read_scalar(f)?.to_f64()?; - let mode = match intrinsic_name { - "floorf64" => Round::TowardNegative, - "ceilf64" => Round::TowardPositive, - "truncf64" => Round::TowardZero, - "roundf64" => Round::NearestTiesToAway, - "rintf64" => Round::NearestTiesToEven, - _ => bug!(), - }; - let res = f.round_to_integral(mode).value; - let res = this.adjust_nan(res, &[f]); - this.write_scalar(res, dest)?; - } #[rustfmt::skip] | "sinf64" | "cosf64" @@ -256,6 +257,91 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let res = this.adjust_nan(res, &[f]); this.write_scalar(res, dest)?; } + + "minnumf32" | "maxnumf32" | "copysignf32" => { + let [a, b] = check_arg_count(args)?; + let a = this.read_scalar(a)?.to_f32()?; + let b = this.read_scalar(b)?.to_f32()?; + let res = match intrinsic_name { + "minnumf32" => this.adjust_nan(a.min(b), &[a, b]), + "maxnumf32" => this.adjust_nan(a.max(b), &[a, b]), + "copysignf32" => a.copy_sign(b), // bitwise, no NaN adjustments + _ => bug!(), + }; + this.write_scalar(Scalar::from_f32(res), dest)?; + } + "minnumf64" | "maxnumf64" | "copysignf64" => { + let [a, b] = check_arg_count(args)?; + let a = this.read_scalar(a)?.to_f64()?; + let b = this.read_scalar(b)?.to_f64()?; + let res = match intrinsic_name { + "minnumf64" => this.adjust_nan(a.min(b), &[a, b]), + "maxnumf64" => this.adjust_nan(a.max(b), &[a, b]), + "copysignf64" => a.copy_sign(b), // bitwise, no NaN adjustments + _ => bug!(), + }; + this.write_scalar(Scalar::from_f64(res), dest)?; + } + + "fmaf32" => { + let [a, b, c] = check_arg_count(args)?; + let a = this.read_scalar(a)?.to_f32()?; + let b = this.read_scalar(b)?.to_f32()?; + let c = this.read_scalar(c)?.to_f32()?; + // FIXME: Using host floats, to work around https://github.com/rust-lang/rustc_apfloat/issues/11 + let res = a.to_host().mul_add(b.to_host(), c.to_host()).to_soft(); + let res = this.adjust_nan(res, &[a, b, c]); + this.write_scalar(res, dest)?; + } + "fmaf64" => { + let [a, b, c] = check_arg_count(args)?; + let a = this.read_scalar(a)?.to_f64()?; + let b = this.read_scalar(b)?.to_f64()?; + let c = this.read_scalar(c)?.to_f64()?; + // FIXME: Using host floats, to work around https://github.com/rust-lang/rustc_apfloat/issues/11 + let res = a.to_host().mul_add(b.to_host(), c.to_host()).to_soft(); + let res = this.adjust_nan(res, &[a, b, c]); + this.write_scalar(res, dest)?; + } + + "powf32" => { + let [f1, f2] = check_arg_count(args)?; + let f1 = this.read_scalar(f1)?.to_f32()?; + let f2 = this.read_scalar(f2)?.to_f32()?; + // Using host floats (but it's fine, this operation does not have guaranteed precision). + let res = f1.to_host().powf(f2.to_host()).to_soft(); + let res = this.adjust_nan(res, &[f1, f2]); + this.write_scalar(res, dest)?; + } + "powf64" => { + let [f1, f2] = check_arg_count(args)?; + let f1 = this.read_scalar(f1)?.to_f64()?; + let f2 = this.read_scalar(f2)?.to_f64()?; + // Using host floats (but it's fine, this operation does not have guaranteed precision). + let res = f1.to_host().powf(f2.to_host()).to_soft(); + let res = this.adjust_nan(res, &[f1, f2]); + this.write_scalar(res, dest)?; + } + + "powif32" => { + let [f, i] = check_arg_count(args)?; + let f = this.read_scalar(f)?.to_f32()?; + let i = this.read_scalar(i)?.to_i32()?; + // Using host floats (but it's fine, this operation does not have guaranteed precision). + let res = f.to_host().powi(i).to_soft(); + let res = this.adjust_nan(res, &[f]); + this.write_scalar(res, dest)?; + } + "powif64" => { + let [f, i] = check_arg_count(args)?; + let f = this.read_scalar(f)?.to_f64()?; + let i = this.read_scalar(i)?.to_i32()?; + // Using host floats (but it's fine, this operation does not have guaranteed precision). + let res = f.to_host().powi(i).to_soft(); + let res = this.adjust_nan(res, &[f]); + this.write_scalar(res, dest)?; + } + #[rustfmt::skip] | "fadd_algebraic" | "fsub_algebraic" @@ -329,102 +415,6 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { this.write_immediate(*res, dest)?; } - #[rustfmt::skip] - | "minnumf32" - | "maxnumf32" - | "copysignf32" - => { - let [a, b] = check_arg_count(args)?; - let a = this.read_scalar(a)?.to_f32()?; - let b = this.read_scalar(b)?.to_f32()?; - let res = match intrinsic_name { - "minnumf32" => this.adjust_nan(a.min(b), &[a, b]), - "maxnumf32" => this.adjust_nan(a.max(b), &[a, b]), - "copysignf32" => a.copy_sign(b), // bitwise, no NaN adjustments - _ => bug!(), - }; - this.write_scalar(Scalar::from_f32(res), dest)?; - } - - #[rustfmt::skip] - | "minnumf64" - | "maxnumf64" - | "copysignf64" - => { - let [a, b] = check_arg_count(args)?; - let a = this.read_scalar(a)?.to_f64()?; - let b = this.read_scalar(b)?.to_f64()?; - let res = match intrinsic_name { - "minnumf64" => this.adjust_nan(a.min(b), &[a, b]), - "maxnumf64" => this.adjust_nan(a.max(b), &[a, b]), - "copysignf64" => a.copy_sign(b), // bitwise, no NaN adjustments - _ => bug!(), - }; - this.write_scalar(Scalar::from_f64(res), dest)?; - } - - "fmaf32" => { - let [a, b, c] = check_arg_count(args)?; - let a = this.read_scalar(a)?.to_f32()?; - let b = this.read_scalar(b)?.to_f32()?; - let c = this.read_scalar(c)?.to_f32()?; - // FIXME: Using host floats, to work around https://github.com/rust-lang/rustc_apfloat/issues/11 - let res = a.to_host().mul_add(b.to_host(), c.to_host()).to_soft(); - let res = this.adjust_nan(res, &[a, b, c]); - this.write_scalar(res, dest)?; - } - - "fmaf64" => { - let [a, b, c] = check_arg_count(args)?; - let a = this.read_scalar(a)?.to_f64()?; - let b = this.read_scalar(b)?.to_f64()?; - let c = this.read_scalar(c)?.to_f64()?; - // FIXME: Using host floats, to work around https://github.com/rust-lang/rustc_apfloat/issues/11 - let res = a.to_host().mul_add(b.to_host(), c.to_host()).to_soft(); - let res = this.adjust_nan(res, &[a, b, c]); - this.write_scalar(res, dest)?; - } - - "powf32" => { - let [f1, f2] = check_arg_count(args)?; - let f1 = this.read_scalar(f1)?.to_f32()?; - let f2 = this.read_scalar(f2)?.to_f32()?; - // Using host floats (but it's fine, this operation does not have guaranteed precision). - let res = f1.to_host().powf(f2.to_host()).to_soft(); - let res = this.adjust_nan(res, &[f1, f2]); - this.write_scalar(res, dest)?; - } - - "powf64" => { - let [f1, f2] = check_arg_count(args)?; - let f1 = this.read_scalar(f1)?.to_f64()?; - let f2 = this.read_scalar(f2)?.to_f64()?; - // Using host floats (but it's fine, this operation does not have guaranteed precision). - let res = f1.to_host().powf(f2.to_host()).to_soft(); - let res = this.adjust_nan(res, &[f1, f2]); - this.write_scalar(res, dest)?; - } - - "powif32" => { - let [f, i] = check_arg_count(args)?; - let f = this.read_scalar(f)?.to_f32()?; - let i = this.read_scalar(i)?.to_i32()?; - // Using host floats (but it's fine, this operation does not have guaranteed precision). - let res = f.to_host().powi(i).to_soft(); - let res = this.adjust_nan(res, &[f]); - this.write_scalar(res, dest)?; - } - - "powif64" => { - let [f, i] = check_arg_count(args)?; - let f = this.read_scalar(f)?.to_f64()?; - let i = this.read_scalar(i)?.to_i32()?; - // Using host floats (but it's fine, this operation does not have guaranteed precision). - let res = f.to_host().powi(i).to_soft(); - let res = this.adjust_nan(res, &[f]); - this.write_scalar(res, dest)?; - } - "float_to_int_unchecked" => { let [val] = check_arg_count(args)?; let val = this.read_immediate(val)?; From 5d76ec9cdde57099e3a07bda1b0776a398b24497 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sun, 12 May 2024 10:21:00 +0200 Subject: [PATCH 0101/1716] merge float tests into one --- src/tools/miri/tests/pass/float.rs | 67 +++++++++++++++++++ src/tools/miri/tests/pass/float_fast_math.rs | 34 ---------- .../pass/intrinsics/float_algebraic_math.rs | 32 --------- 3 files changed, 67 insertions(+), 66 deletions(-) delete mode 100644 src/tools/miri/tests/pass/float_fast_math.rs delete mode 100644 src/tools/miri/tests/pass/intrinsics/float_algebraic_math.rs diff --git a/src/tools/miri/tests/pass/float.rs b/src/tools/miri/tests/pass/float.rs index 1bb44d56bf6b..8aea9b3e6f9f 100644 --- a/src/tools/miri/tests/pass/float.rs +++ b/src/tools/miri/tests/pass/float.rs @@ -1,5 +1,6 @@ #![feature(stmt_expr_attributes)] #![feature(float_gamma)] +#![feature(core_intrinsics)] #![allow(arithmetic_overflow)] use std::fmt::Debug; @@ -22,6 +23,8 @@ fn main() { rounding(); mul_add(); libm(); + test_fast(); + test_algebraic(); } // Helper function to avoid promotion so that this tests "run-time" casts, not CTFE. @@ -751,3 +754,67 @@ pub fn libm() { assert_approx_eq!(val, (2.0 * f64::consts::PI.sqrt()).ln()); assert_eq!(sign, -1); } + +fn test_fast() { + use std::intrinsics::{fadd_fast, fdiv_fast, fmul_fast, frem_fast, fsub_fast}; + + #[inline(never)] + pub fn test_operations_f64(a: f64, b: f64) { + // make sure they all map to the correct operation + unsafe { + assert_eq!(fadd_fast(a, b), a + b); + assert_eq!(fsub_fast(a, b), a - b); + assert_eq!(fmul_fast(a, b), a * b); + assert_eq!(fdiv_fast(a, b), a / b); + assert_eq!(frem_fast(a, b), a % b); + } + } + + #[inline(never)] + pub fn test_operations_f32(a: f32, b: f32) { + // make sure they all map to the correct operation + unsafe { + assert_eq!(fadd_fast(a, b), a + b); + assert_eq!(fsub_fast(a, b), a - b); + assert_eq!(fmul_fast(a, b), a * b); + assert_eq!(fdiv_fast(a, b), a / b); + assert_eq!(frem_fast(a, b), a % b); + } + } + + test_operations_f64(1., 2.); + test_operations_f64(10., 5.); + test_operations_f32(11., 2.); + test_operations_f32(10., 15.); +} + +fn test_algebraic() { + use std::intrinsics::{ + fadd_algebraic, fdiv_algebraic, fmul_algebraic, frem_algebraic, fsub_algebraic, + }; + + #[inline(never)] + pub fn test_operations_f64(a: f64, b: f64) { + // make sure they all map to the correct operation + assert_eq!(fadd_algebraic(a, b), a + b); + assert_eq!(fsub_algebraic(a, b), a - b); + assert_eq!(fmul_algebraic(a, b), a * b); + assert_eq!(fdiv_algebraic(a, b), a / b); + assert_eq!(frem_algebraic(a, b), a % b); + } + + #[inline(never)] + pub fn test_operations_f32(a: f32, b: f32) { + // make sure they all map to the correct operation + assert_eq!(fadd_algebraic(a, b), a + b); + assert_eq!(fsub_algebraic(a, b), a - b); + assert_eq!(fmul_algebraic(a, b), a * b); + assert_eq!(fdiv_algebraic(a, b), a / b); + assert_eq!(frem_algebraic(a, b), a % b); + } + + test_operations_f64(1., 2.); + test_operations_f64(10., 5.); + test_operations_f32(11., 2.); + test_operations_f32(10., 15.); +} diff --git a/src/tools/miri/tests/pass/float_fast_math.rs b/src/tools/miri/tests/pass/float_fast_math.rs deleted file mode 100644 index 52d985667df2..000000000000 --- a/src/tools/miri/tests/pass/float_fast_math.rs +++ /dev/null @@ -1,34 +0,0 @@ -#![feature(core_intrinsics)] - -use std::intrinsics::{fadd_fast, fdiv_fast, fmul_fast, frem_fast, fsub_fast}; - -#[inline(never)] -pub fn test_operations_f64(a: f64, b: f64) { - // make sure they all map to the correct operation - unsafe { - assert_eq!(fadd_fast(a, b), a + b); - assert_eq!(fsub_fast(a, b), a - b); - assert_eq!(fmul_fast(a, b), a * b); - assert_eq!(fdiv_fast(a, b), a / b); - assert_eq!(frem_fast(a, b), a % b); - } -} - -#[inline(never)] -pub fn test_operations_f32(a: f32, b: f32) { - // make sure they all map to the correct operation - unsafe { - assert_eq!(fadd_fast(a, b), a + b); - assert_eq!(fsub_fast(a, b), a - b); - assert_eq!(fmul_fast(a, b), a * b); - assert_eq!(fdiv_fast(a, b), a / b); - assert_eq!(frem_fast(a, b), a % b); - } -} - -fn main() { - test_operations_f64(1., 2.); - test_operations_f64(10., 5.); - test_operations_f32(11., 2.); - test_operations_f32(10., 15.); -} diff --git a/src/tools/miri/tests/pass/intrinsics/float_algebraic_math.rs b/src/tools/miri/tests/pass/intrinsics/float_algebraic_math.rs deleted file mode 100644 index f6f083f7b5f5..000000000000 --- a/src/tools/miri/tests/pass/intrinsics/float_algebraic_math.rs +++ /dev/null @@ -1,32 +0,0 @@ -#![feature(core_intrinsics)] - -use std::intrinsics::{ - fadd_algebraic, fdiv_algebraic, fmul_algebraic, frem_algebraic, fsub_algebraic, -}; - -#[inline(never)] -pub fn test_operations_f64(a: f64, b: f64) { - // make sure they all map to the correct operation - assert_eq!(fadd_algebraic(a, b), a + b); - assert_eq!(fsub_algebraic(a, b), a - b); - assert_eq!(fmul_algebraic(a, b), a * b); - assert_eq!(fdiv_algebraic(a, b), a / b); - assert_eq!(frem_algebraic(a, b), a % b); -} - -#[inline(never)] -pub fn test_operations_f32(a: f32, b: f32) { - // make sure they all map to the correct operation - assert_eq!(fadd_algebraic(a, b), a + b); - assert_eq!(fsub_algebraic(a, b), a - b); - assert_eq!(fmul_algebraic(a, b), a * b); - assert_eq!(fdiv_algebraic(a, b), a / b); - assert_eq!(frem_algebraic(a, b), a % b); -} - -fn main() { - test_operations_f64(1., 2.); - test_operations_f64(10., 5.); - test_operations_f32(11., 2.); - test_operations_f32(10., 15.); -} From 01b5430b28eab188b2df9b09bfdd909eb200a670 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sun, 12 May 2024 10:22:59 +0200 Subject: [PATCH 0102/1716] merge two integer tests --- src/tools/miri/tests/pass/integer-ops.rs | 61 ++++++++++++++++++++++++ src/tools/miri/tests/pass/integers.rs | 58 ---------------------- 2 files changed, 61 insertions(+), 58 deletions(-) delete mode 100644 src/tools/miri/tests/pass/integers.rs diff --git a/src/tools/miri/tests/pass/integer-ops.rs b/src/tools/miri/tests/pass/integer-ops.rs index 0ec1f8e9c693..3f8ac34e7d10 100644 --- a/src/tools/miri/tests/pass/integer-ops.rs +++ b/src/tools/miri/tests/pass/integer-ops.rs @@ -1,7 +1,64 @@ //@compile-flags: -Coverflow-checks=off #![allow(arithmetic_overflow)] +fn basic() { + fn ret() -> i64 { + 1 + } + + fn neg() -> i64 { + -1 + } + + fn add() -> i64 { + 1 + 2 + } + + fn indirect_add() -> i64 { + let x = 1; + let y = 2; + x + y + } + + fn arith() -> i32 { + 3 * 3 + 4 * 4 + } + + fn match_int() -> i16 { + let n = 2; + match n { + 0 => 0, + 1 => 10, + 2 => 20, + 3 => 30, + _ => 100, + } + } + + fn match_int_range() -> i64 { + let n = 42; + match n { + 0..=9 => 0, + 10..=19 => 1, + 20..=29 => 2, + 30..=39 => 3, + 40..=42 => 4, + _ => 5, + } + } + + assert_eq!(ret(), 1); + assert_eq!(neg(), -1); + assert_eq!(add(), 3); + assert_eq!(indirect_add(), 3); + assert_eq!(arith(), 5 * 5); + assert_eq!(match_int(), 20); + assert_eq!(match_int_range(), 4); +} + pub fn main() { + basic(); + // This tests that we do (not) do sign extension properly when loading integers assert_eq!(u32::MAX as i64, 4294967295); assert_eq!(i32::MIN as i64, -2147483648); @@ -152,6 +209,10 @@ pub fn main() { assert_eq!(5i32.overflowing_mul(2), (10, false)); assert_eq!(1_000_000_000i32.overflowing_mul(10), (1410065408, true)); + assert_eq!(i64::MIN.overflowing_mul(-1), (i64::MIN, true)); + assert_eq!(i32::MIN.overflowing_mul(-1), (i32::MIN, true)); + assert_eq!(i16::MIN.overflowing_mul(-1), (i16::MIN, true)); + assert_eq!(i8::MIN.overflowing_mul(-1), (i8::MIN, true)); assert_eq!(5i32.overflowing_div(2), (2, false)); assert_eq!(i32::MIN.overflowing_div(-1), (i32::MIN, true)); diff --git a/src/tools/miri/tests/pass/integers.rs b/src/tools/miri/tests/pass/integers.rs deleted file mode 100644 index c04c6921f3c4..000000000000 --- a/src/tools/miri/tests/pass/integers.rs +++ /dev/null @@ -1,58 +0,0 @@ -fn ret() -> i64 { - 1 -} - -fn neg() -> i64 { - -1 -} - -fn add() -> i64 { - 1 + 2 -} - -fn indirect_add() -> i64 { - let x = 1; - let y = 2; - x + y -} - -fn arith() -> i32 { - 3 * 3 + 4 * 4 -} - -fn match_int() -> i16 { - let n = 2; - match n { - 0 => 0, - 1 => 10, - 2 => 20, - 3 => 30, - _ => 100, - } -} - -fn match_int_range() -> i64 { - let n = 42; - match n { - 0..=9 => 0, - 10..=19 => 1, - 20..=29 => 2, - 30..=39 => 3, - 40..=42 => 4, - _ => 5, - } -} - -fn main() { - assert_eq!(ret(), 1); - assert_eq!(neg(), -1); - assert_eq!(add(), 3); - assert_eq!(indirect_add(), 3); - assert_eq!(arith(), 5 * 5); - assert_eq!(match_int(), 20); - assert_eq!(match_int_range(), 4); - assert_eq!(i64::MIN.overflowing_mul(-1), (i64::MIN, true)); - assert_eq!(i32::MIN.overflowing_mul(-1), (i32::MIN, true)); - assert_eq!(i16::MIN.overflowing_mul(-1), (i16::MIN, true)); - assert_eq!(i8::MIN.overflowing_mul(-1), (i8::MIN, true)); -} From 7d565dfa0fa40991df9e3567f991284b4912ab0b Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sun, 12 May 2024 15:44:17 +0200 Subject: [PATCH 0103/1716] Preparing for merge from rustc --- src/tools/miri/rust-version | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/miri/rust-version b/src/tools/miri/rust-version index 3636c856d0b5..603417b77eea 100644 --- a/src/tools/miri/rust-version +++ b/src/tools/miri/rust-version @@ -1 +1 @@ -ef15976387ad9c1cdceaabf469e0cf35f5852f6d +b71fa82d786ae1b5866510f1b3a7e5b7e1890e4c From 46659acdbde160324bae653e704203221df3b980 Mon Sep 17 00:00:00 2001 From: J-ZhengLi Date: Sun, 12 May 2024 22:13:17 +0800 Subject: [PATCH 0104/1716] add configuration to allow skipping on some certain traits & collect metadata --- CHANGELOG.md | 1 + book/src/lint_configuration.md | 22 ++++++++ clippy_config/src/conf.rs | 23 +++++++++ clippy_lints/src/functions/mod.rs | 35 +++++++++---- .../src/functions/renamed_function_params.rs | 50 +++++++++++-------- clippy_lints/src/lib.rs | 2 + .../default/clippy.toml | 2 + .../extend/clippy.toml | 2 + .../renamed_function_params.default.stderr} | 26 ++++------ .../renamed_function_params.extend.stderr | 34 +++++++++++++ .../renamed_function_params.rs | 11 ++-- .../toml_unknown_key/conf_unknown_key.stderr | 3 ++ 12 files changed, 159 insertions(+), 52 deletions(-) create mode 100644 tests/ui-toml/renamed_function_params/default/clippy.toml create mode 100644 tests/ui-toml/renamed_function_params/extend/clippy.toml rename tests/{ui/renamed_function_params.stderr => ui-toml/renamed_function_params/renamed_function_params.default.stderr} (69%) create mode 100644 tests/ui-toml/renamed_function_params/renamed_function_params.extend.stderr rename tests/{ui => ui-toml/renamed_function_params}/renamed_function_params.rs (85%) diff --git a/CHANGELOG.md b/CHANGELOG.md index ce2dda0cc2ac..2abe48afc274 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -5942,6 +5942,7 @@ Released 2018-09-13 [`allow-one-hash-in-raw-strings`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allow-one-hash-in-raw-strings [`allow-print-in-tests`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allow-print-in-tests [`allow-private-module-inception`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allow-private-module-inception +[`allow-renamed-params-for`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allow-renamed-params-for [`allow-unwrap-in-tests`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allow-unwrap-in-tests [`allow-useless-vec-in-tests`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allow-useless-vec-in-tests [`allowed-dotfiles`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allowed-dotfiles diff --git a/book/src/lint_configuration.md b/book/src/lint_configuration.md index f6af9810ca16..bd8c6d14cd55 100644 --- a/book/src/lint_configuration.md +++ b/book/src/lint_configuration.md @@ -122,6 +122,28 @@ Whether to allow module inception if it's not public. * [`module_inception`](https://rust-lang.github.io/rust-clippy/master/index.html#module_inception) +## `allow-renamed-params-for` +List of trait paths to ignore when checking renamed function parameters. + +#### Example + +```toml +allow-renamed-params-for = [ "std::convert::From" ] +``` + +#### Noteworthy + +- By default, the following traits are ignored: `From`, `TryFrom`, `FromStr` +- `".."` can be used as part of the list to indicate that the configured values should be appended to the +default configuration of Clippy. By default, any configuration will replace the default value. + +**Default Value:** `["core::convert::From", "core::convert::TryFrom", "core::str::FromStr"]` + +--- +**Affected lints:** +* [`renamed_function_params`](https://rust-lang.github.io/rust-clippy/master/index.html#renamed_function_params) + + ## `allow-unwrap-in-tests` Whether `unwrap` should be allowed in test functions or `#[cfg(test)]` diff --git a/clippy_config/src/conf.rs b/clippy_config/src/conf.rs index 5cfcbdb57d73..642abd4f3e7a 100644 --- a/clippy_config/src/conf.rs +++ b/clippy_config/src/conf.rs @@ -40,6 +40,8 @@ const DEFAULT_DOC_VALID_IDENTS: &[&str] = &[ const DEFAULT_DISALLOWED_NAMES: &[&str] = &["foo", "baz", "quux"]; const DEFAULT_ALLOWED_IDENTS_BELOW_MIN_CHARS: &[&str] = &["i", "j", "x", "y", "z", "w", "n"]; const DEFAULT_ALLOWED_PREFIXES: &[&str] = &["to", "as", "into", "from", "try_into", "try_from"]; +const DEFAULT_ALLOWED_TRAITS_WITH_RENAMED_PARAMS: &[&str] = + &["core::convert::From", "core::convert::TryFrom", "core::str::FromStr"]; /// Conf with parse errors #[derive(Default)] @@ -613,6 +615,23 @@ define_Conf! { /// - Use `".."` as part of the list to indicate that the configured values should be appended to the /// default configuration of Clippy. By default, any configuration will replace the default value (allowed_prefixes: Vec = DEFAULT_ALLOWED_PREFIXES.iter().map(ToString::to_string).collect()), + /// Lint: RENAMED_FUNCTION_PARAMS. + /// + /// List of trait paths to ignore when checking renamed function parameters. + /// + /// #### Example + /// + /// ```toml + /// allow-renamed-params-for = [ "std::convert::From" ] + /// ``` + /// + /// #### Noteworthy + /// + /// - By default, the following traits are ignored: `From`, `TryFrom`, `FromStr` + /// - `".."` can be used as part of the list to indicate that the configured values should be appended to the + /// default configuration of Clippy. By default, any configuration will replace the default value. + (allow_renamed_params_for: Vec = + DEFAULT_ALLOWED_TRAITS_WITH_RENAMED_PARAMS.iter().map(ToString::to_string).collect()), } /// Search for the configuration file. @@ -674,6 +693,10 @@ fn deserialize(file: &SourceFile) -> TryConf { extend_vec_if_indicator_present(&mut conf.conf.doc_valid_idents, DEFAULT_DOC_VALID_IDENTS); extend_vec_if_indicator_present(&mut conf.conf.disallowed_names, DEFAULT_DISALLOWED_NAMES); extend_vec_if_indicator_present(&mut conf.conf.allowed_prefixes, DEFAULT_ALLOWED_PREFIXES); + extend_vec_if_indicator_present( + &mut conf.conf.allow_renamed_params_for, + DEFAULT_ALLOWED_TRAITS_WITH_RENAMED_PARAMS, + ); // TODO: THIS SHOULD BE TESTED, this comment will be gone soon if conf.conf.allowed_idents_below_min_chars.contains("..") { conf.conf diff --git a/clippy_lints/src/functions/mod.rs b/clippy_lints/src/functions/mod.rs index 9a09dbaed4ad..dfcaac9abefc 100644 --- a/clippy_lints/src/functions/mod.rs +++ b/clippy_lints/src/functions/mod.rs @@ -7,11 +7,12 @@ mod result; mod too_many_arguments; mod too_many_lines; +use clippy_utils::def_path_def_ids; use rustc_hir as hir; use rustc_hir::intravisit; use rustc_lint::{LateContext, LateLintPass}; use rustc_session::impl_lint_pass; -use rustc_span::def_id::LocalDefId; +use rustc_span::def_id::{DefIdSet, LocalDefId}; use rustc_span::Span; declare_clippy_lint! { @@ -373,9 +374,9 @@ declare_clippy_lint! { /// ```rust /// struct A(u32); /// - /// impl From for String { - /// fn from(a: A) -> Self { - /// a.0.to_string() + /// impl PartialEq for A { + /// fn eq(&self, b: &Self) -> bool { + /// self.0 == b.0 /// } /// } /// ``` @@ -383,9 +384,9 @@ declare_clippy_lint! { /// ```rust /// struct A(u32); /// - /// impl From for String { - /// fn from(value: A) -> Self { - /// value.0.to_string() + /// impl PartialEq for A { + /// fn eq(&self, other: &Self) -> bool { + /// self.0 == other.0 /// } /// } /// ``` @@ -395,13 +396,16 @@ declare_clippy_lint! { "renamed function parameters in trait implementation" } -#[derive(Copy, Clone)] -#[allow(clippy::struct_field_names)] +#[derive(Clone)] pub struct Functions { too_many_arguments_threshold: u64, too_many_lines_threshold: u64, large_error_threshold: u64, avoid_breaking_exported_api: bool, + allow_renamed_params_for: Vec, + /// A set of resolved `def_id` of traits that are configured to allow + /// function params renaming. + trait_ids: DefIdSet, } impl Functions { @@ -410,12 +414,15 @@ impl Functions { too_many_lines_threshold: u64, large_error_threshold: u64, avoid_breaking_exported_api: bool, + allow_renamed_params_for: Vec, ) -> Self { Self { too_many_arguments_threshold, too_many_lines_threshold, large_error_threshold, avoid_breaking_exported_api, + allow_renamed_params_for, + trait_ids: DefIdSet::default(), } } } @@ -461,7 +468,7 @@ impl<'tcx> LateLintPass<'tcx> for Functions { must_use::check_impl_item(cx, item); result::check_impl_item(cx, item, self.large_error_threshold); impl_trait_in_params::check_impl_item(cx, item); - renamed_function_params::check_impl_item(cx, item); + renamed_function_params::check_impl_item(cx, item, &self.trait_ids); } fn check_trait_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx hir::TraitItem<'_>) { @@ -471,4 +478,12 @@ impl<'tcx> LateLintPass<'tcx> for Functions { result::check_trait_item(cx, item, self.large_error_threshold); impl_trait_in_params::check_trait_item(cx, item, self.avoid_breaking_exported_api); } + + fn check_crate(&mut self, cx: &LateContext<'tcx>) { + for path in &self.allow_renamed_params_for { + let path_segments: Vec<&str> = path.split("::").collect(); + let ids = def_path_def_ids(cx, &path_segments); + self.trait_ids.extend(ids); + } + } } diff --git a/clippy_lints/src/functions/renamed_function_params.rs b/clippy_lints/src/functions/renamed_function_params.rs index cea76996f052..c7de0385c021 100644 --- a/clippy_lints/src/functions/renamed_function_params.rs +++ b/clippy_lints/src/functions/renamed_function_params.rs @@ -1,18 +1,26 @@ use clippy_utils::diagnostics::span_lint_and_then; use rustc_errors::{Applicability, MultiSpan}; -use rustc_hir::def_id::DefId; +use rustc_hir::def_id::{DefId, DefIdSet}; use rustc_hir::hir_id::OwnerId; -use rustc_hir::{ImplItem, ImplItemKind, ItemKind, Node}; +use rustc_hir::{Impl, ImplItem, ImplItemKind, ImplItemRef, ItemKind, Node, TraitRef}; use rustc_lint::LateContext; use rustc_span::symbol::{kw, Ident, Symbol}; use rustc_span::Span; use super::RENAMED_FUNCTION_PARAMS; -pub(super) fn check_impl_item(cx: &LateContext<'_>, item: &ImplItem<'_>) { +pub(super) fn check_impl_item(cx: &LateContext<'_>, item: &ImplItem<'_>, ignored_traits: &DefIdSet) { if !item.span.from_expansion() && let ImplItemKind::Fn(_, body_id) = item.kind - && let Some(did) = trait_item_def_id_of_impl(cx, item.owner_id) + && let parent_node = cx.tcx.parent_hir_node(item.hir_id()) + && let Node::Item(parent_item) = parent_node + && let ItemKind::Impl(Impl { + items, + of_trait: Some(trait_ref), + .. + }) = &parent_item.kind + && let Some(did) = trait_item_def_id_of_impl(items, item.owner_id) + && !is_from_ignored_trait(trait_ref, ignored_traits) { let mut param_idents_iter = cx.tcx.hir().body_param_names(body_id); let mut default_param_idents_iter = cx.tcx.fn_arg_names(did).iter().copied(); @@ -25,7 +33,7 @@ pub(super) fn check_impl_item(cx: &LateContext<'_>, item: &ImplItem<'_>) { cx, RENAMED_FUNCTION_PARAMS, multi_span, - &format!("renamed function parameter{plural} of trait impl"), + format!("renamed function parameter{plural} of trait impl"), |diag| { diag.multipart_suggestion( format!("consider using the default name{plural}"), @@ -83,20 +91,20 @@ fn is_unused_or_empty_symbol(symbol: Symbol) -> bool { symbol.is_empty() || symbol == kw::Underscore || symbol.as_str().starts_with('_') } -/// Get the [`trait_item_def_id`](rustc_hir::hir::ImplItemRef::trait_item_def_id) of an impl item. -fn trait_item_def_id_of_impl(cx: &LateContext<'_>, impl_item_id: OwnerId) -> Option { - let trait_node = cx.tcx.parent_hir_node(impl_item_id.into()); - if let Node::Item(item) = trait_node - && let ItemKind::Impl(impl_) = &item.kind - { - impl_.items.iter().find_map(|item| { - if item.id.owner_id == impl_item_id { - item.trait_item_def_id - } else { - None - } - }) - } else { - None - } +/// Get the [`trait_item_def_id`](ImplItemRef::trait_item_def_id) of a relevant impl item. +fn trait_item_def_id_of_impl(items: &[ImplItemRef], target: OwnerId) -> Option { + items.iter().find_map(|item| { + if item.id.owner_id == target { + item.trait_item_def_id + } else { + None + } + }) +} + +fn is_from_ignored_trait(of_trait: &TraitRef<'_>, ignored_traits: &DefIdSet) -> bool { + let Some(trait_did) = of_trait.trait_def_id() else { + return false; + }; + ignored_traits.contains(&trait_did) } diff --git a/clippy_lints/src/lib.rs b/clippy_lints/src/lib.rs index 34dd47855517..c9bd40a711a2 100644 --- a/clippy_lints/src/lib.rs +++ b/clippy_lints/src/lib.rs @@ -595,6 +595,7 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { ref allowed_duplicate_crates, allow_comparison_to_zero, ref allowed_prefixes, + ref allow_renamed_params_for, blacklisted_names: _, cyclomatic_complexity_threshold: _, @@ -788,6 +789,7 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { too_many_lines_threshold, large_error_threshold, avoid_breaking_exported_api, + allow_renamed_params_for.clone(), )) }); store.register_late_pass(move |_| Box::new(doc::Documentation::new(doc_valid_idents, check_private_items))); diff --git a/tests/ui-toml/renamed_function_params/default/clippy.toml b/tests/ui-toml/renamed_function_params/default/clippy.toml new file mode 100644 index 000000000000..5381e70a9391 --- /dev/null +++ b/tests/ui-toml/renamed_function_params/default/clippy.toml @@ -0,0 +1,2 @@ +# Ignore `From`, `TryFrom`, `FromStr` by default +# allow-renamed-params-for = [] diff --git a/tests/ui-toml/renamed_function_params/extend/clippy.toml b/tests/ui-toml/renamed_function_params/extend/clippy.toml new file mode 100644 index 000000000000..9b3853e76961 --- /dev/null +++ b/tests/ui-toml/renamed_function_params/extend/clippy.toml @@ -0,0 +1,2 @@ +# Ignore `From`, `TryFrom`, `FromStr` by default +allow-renamed-params-for = [ "..", "std::ops::Add", "renamed_function_params::MyTrait" ] diff --git a/tests/ui/renamed_function_params.stderr b/tests/ui-toml/renamed_function_params/renamed_function_params.default.stderr similarity index 69% rename from tests/ui/renamed_function_params.stderr rename to tests/ui-toml/renamed_function_params/renamed_function_params.default.stderr index 7193541edb62..2d700f607592 100644 --- a/tests/ui/renamed_function_params.stderr +++ b/tests/ui-toml/renamed_function_params/renamed_function_params.default.stderr @@ -1,38 +1,32 @@ error: renamed function parameter of trait impl - --> tests/ui/renamed_function_params.rs:22:13 + --> tests/ui-toml/renamed_function_params/renamed_function_params.rs:30:18 | -LL | fn from(b: B) -> Self { - | ^ help: consider using the default name: `value` +LL | fn eq(&self, rhs: &Self) -> bool { + | ^^^ help: consider using the default name: `other` | = note: `-D clippy::renamed-function-params` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::renamed_function_params)]` error: renamed function parameter of trait impl - --> tests/ui/renamed_function_params.rs:28:18 - | -LL | fn eq(&self, rhs: &Self) -> bool { - | ^^^ help: consider using the default name: `other` - -error: renamed function parameter of trait impl - --> tests/ui/renamed_function_params.rs:32:18 + --> tests/ui-toml/renamed_function_params/renamed_function_params.rs:34:18 | LL | fn ne(&self, rhs: &Self) -> bool { | ^^^ help: consider using the default name: `other` error: renamed function parameter of trait impl - --> tests/ui/renamed_function_params.rs:46:19 + --> tests/ui-toml/renamed_function_params/renamed_function_params.rs:48:19 | -LL | fn foo(&self, i_dont_wanna_use_your_name: u8) {} +LL | fn foo(&self, i_dont_wanna_use_your_name: u8) {} // only lint in `extend` | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using the default name: `val` error: renamed function parameter of trait impl - --> tests/ui/renamed_function_params.rs:54:31 + --> tests/ui-toml/renamed_function_params/renamed_function_params.rs:55:31 | LL | fn hash(&self, states: &mut H) { | ^^^^^^ help: consider using the default name: `state` error: renamed function parameters of trait impl - --> tests/ui/renamed_function_params.rs:58:30 + --> tests/ui-toml/renamed_function_params/renamed_function_params.rs:59:30 | LL | fn hash_slice(date: &[Self], states: &mut H) { | ^^^^ ^^^^^^ @@ -43,10 +37,10 @@ LL | fn hash_slice(data: &[Self], state: &mut H) { | ~~~~ ~~~~~ error: renamed function parameter of trait impl - --> tests/ui/renamed_function_params.rs:79:18 + --> tests/ui-toml/renamed_function_params/renamed_function_params.rs:80:18 | LL | fn add(self, b: B) -> C { | ^ help: consider using the default name: `rhs` -error: aborting due to 7 previous errors +error: aborting due to 6 previous errors diff --git a/tests/ui-toml/renamed_function_params/renamed_function_params.extend.stderr b/tests/ui-toml/renamed_function_params/renamed_function_params.extend.stderr new file mode 100644 index 000000000000..e57554fa613a --- /dev/null +++ b/tests/ui-toml/renamed_function_params/renamed_function_params.extend.stderr @@ -0,0 +1,34 @@ +error: renamed function parameter of trait impl + --> tests/ui-toml/renamed_function_params/renamed_function_params.rs:30:18 + | +LL | fn eq(&self, rhs: &Self) -> bool { + | ^^^ help: consider using the default name: `other` + | + = note: `-D clippy::renamed-function-params` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::renamed_function_params)]` + +error: renamed function parameter of trait impl + --> tests/ui-toml/renamed_function_params/renamed_function_params.rs:34:18 + | +LL | fn ne(&self, rhs: &Self) -> bool { + | ^^^ help: consider using the default name: `other` + +error: renamed function parameter of trait impl + --> tests/ui-toml/renamed_function_params/renamed_function_params.rs:55:31 + | +LL | fn hash(&self, states: &mut H) { + | ^^^^^^ help: consider using the default name: `state` + +error: renamed function parameters of trait impl + --> tests/ui-toml/renamed_function_params/renamed_function_params.rs:59:30 + | +LL | fn hash_slice(date: &[Self], states: &mut H) { + | ^^^^ ^^^^^^ + | +help: consider using the default names + | +LL | fn hash_slice(data: &[Self], state: &mut H) { + | ~~~~ ~~~~~ + +error: aborting due to 4 previous errors + diff --git a/tests/ui/renamed_function_params.rs b/tests/ui-toml/renamed_function_params/renamed_function_params.rs similarity index 85% rename from tests/ui/renamed_function_params.rs rename to tests/ui-toml/renamed_function_params/renamed_function_params.rs index 4f06ae706dde..f3eb910abbd6 100644 --- a/tests/ui/renamed_function_params.rs +++ b/tests/ui-toml/renamed_function_params/renamed_function_params.rs @@ -1,4 +1,7 @@ //@no-rustfix +//@revisions: default extend +//@[default] rustc-env:CLIPPY_CONF_DIR=tests/ui-toml/renamed_function_params/default +//@[extend] rustc-env:CLIPPY_CONF_DIR=tests/ui-toml/renamed_function_params/extend #![warn(clippy::renamed_function_params)] #![allow(clippy::partialeq_ne_impl, clippy::to_string_trait_impl)] #![allow(unused)] @@ -18,9 +21,8 @@ impl ToString for A { } struct B(u32); -impl From for String { +impl std::convert::From for String { fn from(b: B) -> Self { - //~^ ERROR: renamed function parameter of trait impl b.0.to_string() } } @@ -43,8 +45,7 @@ trait MyTrait { } impl MyTrait for B { - fn foo(&self, i_dont_wanna_use_your_name: u8) {} - //~^ ERROR: renamed function parameter of trait impl + fn foo(&self, i_dont_wanna_use_your_name: u8) {} // only lint in `extend` fn bar(_a: u8, _: u8) {} fn baz(self, val: u8) {} fn quz(&self, val: u8) {} @@ -77,7 +78,7 @@ enum C { impl std::ops::Add for C { type Output = C; fn add(self, b: B) -> C { - //~^ ERROR: renamed function parameter of trait impl + // only lint in `extend` C::B(b.0) } } diff --git a/tests/ui-toml/toml_unknown_key/conf_unknown_key.stderr b/tests/ui-toml/toml_unknown_key/conf_unknown_key.stderr index 722e9b3bc8d4..e1ba60911fe9 100644 --- a/tests/ui-toml/toml_unknown_key/conf_unknown_key.stderr +++ b/tests/ui-toml/toml_unknown_key/conf_unknown_key.stderr @@ -10,6 +10,7 @@ error: error reading Clippy's configuration file: unknown field `foobar`, expect allow-one-hash-in-raw-strings allow-print-in-tests allow-private-module-inception + allow-renamed-params-for allow-unwrap-in-tests allow-useless-vec-in-tests allowed-dotfiles @@ -91,6 +92,7 @@ error: error reading Clippy's configuration file: unknown field `barfoo`, expect allow-one-hash-in-raw-strings allow-print-in-tests allow-private-module-inception + allow-renamed-params-for allow-unwrap-in-tests allow-useless-vec-in-tests allowed-dotfiles @@ -172,6 +174,7 @@ error: error reading Clippy's configuration file: unknown field `allow_mixed_uni allow-one-hash-in-raw-strings allow-print-in-tests allow-private-module-inception + allow-renamed-params-for allow-unwrap-in-tests allow-useless-vec-in-tests allowed-dotfiles From 9747c80644fc9f705029c254ca1d14668a72f904 Mon Sep 17 00:00:00 2001 From: y21 <30553356+y21@users.noreply.github.com> Date: Sun, 7 Jan 2024 00:42:31 +0100 Subject: [PATCH 0105/1716] new lint: `macro_metavars_in_unsafe` --- CHANGELOG.md | 2 + book/src/lint_configuration.md | 10 + clippy_config/src/conf.rs | 4 + clippy_lints/src/declared_lints.rs | 1 + clippy_lints/src/lib.rs | 8 + clippy_lints/src/macro_metavars_in_unsafe.rs | 256 +++++++++++++++++ .../macro_metavars_in_unsafe/default/test.rs | 260 ++++++++++++++++++ .../default/test.stderr | 187 +++++++++++++ .../private/clippy.toml | 1 + .../macro_metavars_in_unsafe/private/test.rs | 15 + .../private/test.stderr | 17 ++ .../toml_unknown_key/conf_unknown_key.stderr | 3 + 12 files changed, 764 insertions(+) create mode 100644 clippy_lints/src/macro_metavars_in_unsafe.rs create mode 100644 tests/ui-toml/macro_metavars_in_unsafe/default/test.rs create mode 100644 tests/ui-toml/macro_metavars_in_unsafe/default/test.stderr create mode 100644 tests/ui-toml/macro_metavars_in_unsafe/private/clippy.toml create mode 100644 tests/ui-toml/macro_metavars_in_unsafe/private/test.rs create mode 100644 tests/ui-toml/macro_metavars_in_unsafe/private/test.stderr diff --git a/CHANGELOG.md b/CHANGELOG.md index 75879a999527..cfff0bb50a6a 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -5448,6 +5448,7 @@ Released 2018-09-13 [`little_endian_bytes`]: https://rust-lang.github.io/rust-clippy/master/index.html#little_endian_bytes [`logic_bug`]: https://rust-lang.github.io/rust-clippy/master/index.html#logic_bug [`lossy_float_literal`]: https://rust-lang.github.io/rust-clippy/master/index.html#lossy_float_literal +[`macro_metavars_in_unsafe`]: https://rust-lang.github.io/rust-clippy/master/index.html#macro_metavars_in_unsafe [`macro_use_imports`]: https://rust-lang.github.io/rust-clippy/master/index.html#macro_use_imports [`main_recursion`]: https://rust-lang.github.io/rust-clippy/master/index.html#main_recursion [`manual_assert`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_assert @@ -6005,4 +6006,5 @@ Released 2018-09-13 [`vec-box-size-threshold`]: https://doc.rust-lang.org/clippy/lint_configuration.html#vec-box-size-threshold [`verbose-bit-mask-threshold`]: https://doc.rust-lang.org/clippy/lint_configuration.html#verbose-bit-mask-threshold [`warn-on-all-wildcard-imports`]: https://doc.rust-lang.org/clippy/lint_configuration.html#warn-on-all-wildcard-imports +[`warn-unsafe-macro-metavars-in-private-macros`]: https://doc.rust-lang.org/clippy/lint_configuration.html#warn-unsafe-macro-metavars-in-private-macros diff --git a/book/src/lint_configuration.md b/book/src/lint_configuration.md index bd8c6d14cd55..b049a6106f56 100644 --- a/book/src/lint_configuration.md +++ b/book/src/lint_configuration.md @@ -922,3 +922,13 @@ Whether to allow certain wildcard imports (prelude, super in tests). * [`wildcard_imports`](https://rust-lang.github.io/rust-clippy/master/index.html#wildcard_imports) +## `warn-unsafe-macro-metavars-in-private-macros` +Whether to also emit warnings for unsafe blocks with metavariable expansions in **private** macros. + +**Default Value:** `false` + +--- +**Affected lints:** +* [`macro_metavars_in_unsafe`](https://rust-lang.github.io/rust-clippy/master/index.html#macro_metavars_in_unsafe) + + diff --git a/clippy_config/src/conf.rs b/clippy_config/src/conf.rs index 642abd4f3e7a..a4b29afa7779 100644 --- a/clippy_config/src/conf.rs +++ b/clippy_config/src/conf.rs @@ -632,6 +632,10 @@ define_Conf! { /// default configuration of Clippy. By default, any configuration will replace the default value. (allow_renamed_params_for: Vec = DEFAULT_ALLOWED_TRAITS_WITH_RENAMED_PARAMS.iter().map(ToString::to_string).collect()), + /// Lint: MACRO_METAVARS_IN_UNSAFE. + /// + /// Whether to also emit warnings for unsafe blocks with metavariable expansions in **private** macros. + (warn_unsafe_macro_metavars_in_private_macros: bool = false), } /// Search for the configuration file. diff --git a/clippy_lints/src/declared_lints.rs b/clippy_lints/src/declared_lints.rs index ed94eaee23fe..6850ec821e84 100644 --- a/clippy_lints/src/declared_lints.rs +++ b/clippy_lints/src/declared_lints.rs @@ -296,6 +296,7 @@ pub(crate) static LINTS: &[&crate::LintInfo] = &[ crate::loops::WHILE_IMMUTABLE_CONDITION_INFO, crate::loops::WHILE_LET_LOOP_INFO, crate::loops::WHILE_LET_ON_ITERATOR_INFO, + crate::macro_metavars_in_unsafe::MACRO_METAVARS_IN_UNSAFE_INFO, crate::macro_use::MACRO_USE_IMPORTS_INFO, crate::main_recursion::MAIN_RECURSION_INFO, crate::manual_assert::MANUAL_ASSERT_INFO, diff --git a/clippy_lints/src/lib.rs b/clippy_lints/src/lib.rs index c9bd40a711a2..c3ae36a55973 100644 --- a/clippy_lints/src/lib.rs +++ b/clippy_lints/src/lib.rs @@ -193,6 +193,7 @@ mod lifetimes; mod lines_filter_map_ok; mod literal_representation; mod loops; +mod macro_metavars_in_unsafe; mod macro_use; mod main_recursion; mod manual_assert; @@ -599,6 +600,7 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { blacklisted_names: _, cyclomatic_complexity_threshold: _, + warn_unsafe_macro_metavars_in_private_macros, } = *conf; let msrv = || msrv.clone(); @@ -1155,6 +1157,12 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { store.register_late_pass(|_| Box::new(zero_repeat_side_effects::ZeroRepeatSideEffects)); store.register_late_pass(|_| Box::new(manual_unwrap_or_default::ManualUnwrapOrDefault)); store.register_late_pass(|_| Box::new(integer_division_remainder_used::IntegerDivisionRemainderUsed)); + store.register_late_pass(move |_| { + Box::new(macro_metavars_in_unsafe::ExprMetavarsInUnsafe { + warn_unsafe_macro_metavars_in_private_macros, + ..Default::default() + }) + }); // add lints here, do not remove this comment, it's used in `new_lint` } diff --git a/clippy_lints/src/macro_metavars_in_unsafe.rs b/clippy_lints/src/macro_metavars_in_unsafe.rs new file mode 100644 index 000000000000..aea3d26e1878 --- /dev/null +++ b/clippy_lints/src/macro_metavars_in_unsafe.rs @@ -0,0 +1,256 @@ +use std::collections::btree_map::Entry; +use std::collections::BTreeMap; + +use clippy_utils::diagnostics::span_lint_hir_and_then; +use clippy_utils::is_lint_allowed; +use itertools::Itertools; +use rustc_hir::def_id::LocalDefId; +use rustc_hir::intravisit::{walk_block, walk_expr, walk_stmt, Visitor}; +use rustc_hir::{BlockCheckMode, Expr, ExprKind, HirId, Stmt, UnsafeSource}; +use rustc_lint::{LateContext, LateLintPass}; +use rustc_session::impl_lint_pass; +use rustc_span::{sym, Span, SyntaxContext}; + +declare_clippy_lint! { + /// ### What it does + /// Looks for macros that expand metavariables in an unsafe block. + /// + /// ### Why is this bad? + /// This hides an unsafe block and allows the user of the macro to write unsafe code without an explicit + /// unsafe block at callsite, making it possible to perform unsafe operations in seemingly safe code. + /// + /// The macro should be restructured so that these metavariables are referenced outside of unsafe blocks + /// and that the usual unsafety checks apply to the macro argument. + /// + /// This is usually done by binding it to a variable outside of the unsafe block + /// and then using that variable inside of the block as shown in the example, or by referencing it a second time + /// in a safe context, e.g. `if false { $expr }`. + /// + /// ### Known limitations + /// Due to how macros are represented in the compiler at the time Clippy runs its lints, + /// it's not possible to look for metavariables in macro definitions directly. + /// + /// Instead, this lint looks at expansions of macros. + /// This leads to false negatives for macros that are never actually invoked. + /// + /// By default, this lint is rather conservative and will only emit warnings on publicly-exported + /// macros from the same crate, because oftentimes private internal macros are one-off macros where + /// this lint would just be noise (e.g. macros that generate `impl` blocks). + /// The default behavior should help with preventing a high number of such false positives, + /// however it can be configured to also emit warnings in private macros if desired. + /// + /// ### Example + /// ```no_run + /// /// Gets the first element of a slice + /// macro_rules! first { + /// ($slice:expr) => { + /// unsafe { + /// let slice = $slice; // ⚠️ expansion inside of `unsafe {}` + /// + /// assert!(!slice.is_empty()); + /// // SAFETY: slice is checked to have at least one element + /// slice.first().unwrap_unchecked() + /// } + /// } + /// } + /// + /// assert_eq!(*first!(&[1i32]), 1); + /// + /// // This will compile as a consequence (note the lack of `unsafe {}`) + /// assert_eq!(*first!(std::hint::unreachable_unchecked() as &[i32]), 1); + /// ``` + /// Use instead: + /// ```compile_fail + /// macro_rules! first { + /// ($slice:expr) => {{ + /// let slice = $slice; // ✅ outside of `unsafe {}` + /// unsafe { + /// assert!(!slice.is_empty()); + /// // SAFETY: slice is checked to have at least one element + /// slice.first().unwrap_unchecked() + /// } + /// }} + /// } + /// + /// assert_eq!(*first!(&[1]), 1); + /// + /// // This won't compile: + /// assert_eq!(*first!(std::hint::unreachable_unchecked() as &[i32]), 1); + /// ``` + #[clippy::version = "1.80.0"] + pub MACRO_METAVARS_IN_UNSAFE, + suspicious, + "expanding macro metavariables in an unsafe block" +} +impl_lint_pass!(ExprMetavarsInUnsafe => [MACRO_METAVARS_IN_UNSAFE]); + +#[derive(Clone, Debug)] +pub enum MetavarState { + ReferencedInUnsafe { unsafe_blocks: Vec }, + ReferencedInSafe, +} + +#[derive(Default)] +pub struct ExprMetavarsInUnsafe { + pub warn_unsafe_macro_metavars_in_private_macros: bool, + /// A metavariable can be expanded more than once, potentially across multiple bodies, so it + /// requires some state kept across HIR nodes to make it possible to delay a warning + /// and later undo: + /// + /// ```ignore + /// macro_rules! x { + /// ($v:expr) => { + /// unsafe { $v; } // unsafe context, it might be possible to emit a warning here, so add it to the map + /// + /// $v; // `$v` expanded another time but in a safe context, set to ReferencedInSafe to suppress + /// } + /// } + /// ``` + pub metavar_expns: BTreeMap, +} + +struct BodyVisitor<'a, 'tcx> { + /// Stack of unsafe blocks -- the top item always represents the last seen unsafe block from + /// within a relevant macro. + macro_unsafe_blocks: Vec, + /// When this is >0, it means that the node currently being visited is "within" a + /// macro definition. This is not necessary for correctness, it merely helps reduce the number + /// of spans we need to insert into the map, since only spans from macros are relevant. + expn_depth: u32, + cx: &'a LateContext<'tcx>, + lint: &'a mut ExprMetavarsInUnsafe, +} + +fn is_public_macro(cx: &LateContext<'_>, def_id: LocalDefId) -> bool { + (cx.effective_visibilities.is_exported(def_id) || cx.tcx.has_attr(def_id, sym::macro_export)) + && !cx.tcx.is_doc_hidden(def_id) +} + +impl<'a, 'tcx> Visitor<'tcx> for BodyVisitor<'a, 'tcx> { + fn visit_stmt(&mut self, s: &'tcx Stmt<'tcx>) { + let from_expn = s.span.from_expansion(); + if from_expn { + self.expn_depth += 1; + } + walk_stmt(self, s); + if from_expn { + self.expn_depth -= 1; + } + } + + fn visit_expr(&mut self, e: &'tcx Expr<'tcx>) { + let ctxt = e.span.ctxt(); + + if let ExprKind::Block(block, _) = e.kind + && let BlockCheckMode::UnsafeBlock(UnsafeSource::UserProvided) = block.rules + && !ctxt.is_root() + && let Some(macro_def_id) = ctxt.outer_expn_data().macro_def_id + && let Some(macro_def_id) = macro_def_id.as_local() + && (self.lint.warn_unsafe_macro_metavars_in_private_macros || is_public_macro(self.cx, macro_def_id)) + { + self.macro_unsafe_blocks.push(block.hir_id); + walk_block(self, block); + self.macro_unsafe_blocks.pop(); + } else if ctxt.is_root() && self.expn_depth > 0 { + let unsafe_block = self.macro_unsafe_blocks.last().copied(); + + match (self.lint.metavar_expns.entry(e.span), unsafe_block) { + (Entry::Vacant(e), None) => { + e.insert(MetavarState::ReferencedInSafe); + }, + (Entry::Vacant(e), Some(unsafe_block)) => { + e.insert(MetavarState::ReferencedInUnsafe { + unsafe_blocks: vec![unsafe_block], + }); + }, + (Entry::Occupied(mut e), None) => { + if let MetavarState::ReferencedInUnsafe { .. } = *e.get() { + e.insert(MetavarState::ReferencedInSafe); + } + }, + (Entry::Occupied(mut e), Some(unsafe_block)) => { + if let MetavarState::ReferencedInUnsafe { unsafe_blocks } = e.get_mut() + && !unsafe_blocks.contains(&unsafe_block) + { + unsafe_blocks.push(unsafe_block); + } + }, + } + + // NB: No need to visit descendant nodes. They're guaranteed to represent the same + // metavariable + } else { + walk_expr(self, e); + } + } +} + +impl<'tcx> LateLintPass<'tcx> for ExprMetavarsInUnsafe { + fn check_body(&mut self, cx: &LateContext<'tcx>, body: &'tcx rustc_hir::Body<'tcx>) { + if is_lint_allowed(cx, MACRO_METAVARS_IN_UNSAFE, body.value.hir_id) { + return; + } + + // This BodyVisitor is separate and not part of the lint pass because there is no + // `check_stmt_post` on `(Late)LintPass`, which we'd need to detect when we're leaving a macro span + + let mut vis = BodyVisitor { + #[expect(clippy::bool_to_int_with_if)] // obfuscates the meaning + expn_depth: if body.value.span.from_expansion() { 1 } else { 0 }, + macro_unsafe_blocks: Vec::new(), + lint: self, + cx + }; + vis.visit_body(body); + } + + fn check_crate_post(&mut self, cx: &LateContext<'tcx>) { + // Aggregate all unsafe blocks from all spans: + // ``` + // macro_rules! x { + // ($w:expr, $x:expr, $y:expr) => { $w; unsafe { $w; $x; }; unsafe { $x; $y; }; } + // } + // $w: [] (unsafe#0 is never added because it was referenced in a safe context) + // $x: [unsafe#0, unsafe#1] + // $y: [unsafe#1] + // ``` + // We want to lint unsafe blocks #0 and #1 + let bad_unsafe_blocks = self + .metavar_expns + .iter() + .filter_map(|(_, state)| match state { + MetavarState::ReferencedInUnsafe { unsafe_blocks } => Some(unsafe_blocks.as_slice()), + MetavarState::ReferencedInSafe => None, + }) + .flatten() + .copied() + .map(|id| { + // Remove the syntax context to hide "in this macro invocation" in the diagnostic. + // The invocation doesn't matter. Also we want to dedupe by the unsafe block and not by anything + // related to the callsite. + let span = cx.tcx.hir().span(id); + + (id, Span::new(span.lo(), span.hi(), SyntaxContext::root(), None)) + }) + .dedup_by(|&(_, a), &(_, b)| a == b); + + for (id, span) in bad_unsafe_blocks { + span_lint_hir_and_then( + cx, + MACRO_METAVARS_IN_UNSAFE, + id, + span, + "this macro expands metavariables in an unsafe block", + |diag| { + diag.note("this allows the user of the macro to write unsafe code outside of an unsafe block"); + diag.help( + "consider expanding any metavariables outside of this block, e.g. by storing them in a variable", + ); + diag.help( + "... or also expand referenced metavariables in a safe context to require an unsafe block at callsite", + ); + }, + ); + } + } +} diff --git a/tests/ui-toml/macro_metavars_in_unsafe/default/test.rs b/tests/ui-toml/macro_metavars_in_unsafe/default/test.rs new file mode 100644 index 000000000000..f5e01b431ad9 --- /dev/null +++ b/tests/ui-toml/macro_metavars_in_unsafe/default/test.rs @@ -0,0 +1,260 @@ +//! Tests macro_metavars_in_unsafe with default configuration +#![feature(decl_macro, lint_reasons)] +#![warn(clippy::macro_metavars_in_unsafe)] +#![allow(clippy::no_effect)] + +#[macro_export] +macro_rules! allow_works { + ($v:expr) => { + #[expect(clippy::macro_metavars_in_unsafe)] + unsafe { + $v; + }; + }; +} + +#[macro_export] +macro_rules! simple { + ($v:expr) => { + unsafe { + //~^ ERROR: this macro expands metavariables in an unsafe block + dbg!($v); + } + }; +} + +#[macro_export] +#[rustfmt::skip] // for some reason rustfmt rewrites $r#unsafe to r#u$nsafe, bug? +macro_rules! raw_symbol { + ($r#mod:expr, $r#unsafe:expr) => { + unsafe { + //~^ ERROR: this macro expands metavariables in an unsafe block + $r#mod; + } + $r#unsafe; + }; +} + +#[macro_export] +macro_rules! multilevel_unsafe { + ($v:expr) => { + unsafe { + unsafe { + //~^ ERROR: this macro expands metavariables in an unsafe block + $v; + } + } + }; +} + +#[macro_export] +macro_rules! in_function { + ($v:expr) => { + unsafe { + fn f() { + // function introduces a new body, so don't lint. + $v; + } + } + }; +} + +#[macro_export] +macro_rules! in_function_with_unsafe { + ($v:expr) => { + unsafe { + fn f() { + unsafe { + //~^ ERROR: this macro expands metavariables in an unsafe block + $v; + } + } + } + }; +} + +#[macro_export] +macro_rules! const_static { + ($c:expr, $s:expr) => { + unsafe { + // const and static introduces new body, don't lint + const _X: i32 = $c; + static _Y: i32 = $s; + } + }; +} + +#[macro_export] +macro_rules! const_generic_in_struct { + ($inside_unsafe:expr, $outside_unsafe:expr) => { + unsafe { + struct Ty< + const L: i32 = 1, + const M: i32 = { + 1; + unsafe { $inside_unsafe } + //~^ ERROR: this macro expands metavariables in an unsafe block + }, + const N: i32 = { $outside_unsafe }, + >; + } + }; +} + +#[macro_export] +macro_rules! fn_with_const_generic { + ($inside_unsafe:expr, $outside_unsafe:expr) => { + unsafe { + fn f() { + $outside_unsafe; + unsafe { + //~^ ERROR: this macro expands metavariables in an unsafe block + $inside_unsafe; + } + } + } + }; +} + +#[macro_export] +macro_rules! variables { + ($inside_unsafe:expr, $outside_unsafe:expr) => { + unsafe { + //~^ ERROR: this macro expands metavariables in an unsafe block + $inside_unsafe; + let inside_unsafe = 1; + inside_unsafe; + } + $outside_unsafe; + let outside_unsafe = 1; + outside_unsafe; + }; +} + +#[macro_export] +macro_rules! multiple_matchers { + ($inside_unsafe:expr, $outside_unsafe:expr) => { + unsafe { + //~^ ERROR: this macro expands metavariables in an unsafe block + $inside_unsafe; + } + $outside_unsafe; + }; + ($($v:expr, $x:expr),+) => { + $( + $v; + unsafe { + //~^ ERROR: this macro expands metavariables in an unsafe block + $x; + } + );+ + }; +} + +#[macro_export] +macro_rules! multiple_unsafe_blocks { + ($w:expr, $x:expr, $y:expr) => { + $w; + unsafe { + //~^ ERROR: this macro expands metavariables in an unsafe block + $x; + } + unsafe { + //~^ ERROR: this macro expands metavariables in an unsafe block + $x; + $y; + } + }; +} + +pub macro macro2_0($v:expr) { + unsafe { + //~^ ERROR: this macro expands metavariables in an unsafe block + $v; + } +} + +// don't lint private macros with the default configuration +macro_rules! private_mac { + ($v:expr) => { + unsafe { + $v; + } + }; +} + +// don't lint exported macros that are doc(hidden) because they also aren't part of the public API +#[macro_export] +#[doc(hidden)] +macro_rules! exported_but_hidden { + ($v:expr) => { + unsafe { + $v; + } + }; +} + +// don't lint if the same metavariable is expanded in an unsafe block and then outside of one: +// unsafe {} is still needed at callsite so not problematic +#[macro_export] +macro_rules! does_require_unsafe { + ($v:expr) => { + unsafe { + $v; + } + $v; + }; +} + +#[macro_export] +macro_rules! unsafe_from_root_ctxt { + ($v:expr) => { + // Expands to unsafe { 1 }, but the unsafe block is from the root ctxt and not this macro, + // so no warning. + $v; + }; +} + +// invoked from another macro, should still generate a warning +#[macro_export] +macro_rules! nested_macro_helper { + ($v:expr) => {{ + unsafe { + //~^ ERROR: this macro expands metavariables in an unsafe block + $v; + } + }}; +} + +#[macro_export] +macro_rules! nested_macros { + ($v:expr, $v2:expr) => {{ + unsafe { + //~^ ERROR: this macro expands metavariables in an unsafe block + nested_macro_helper!($v); + $v; + } + }}; +} + +fn main() { + allow_works!(1); + simple!(1); + raw_symbol!(1, 1); + multilevel_unsafe!(1); + in_function!(1); + in_function_with_unsafe!(1); + const_static!(1, 1); + const_generic_in_struct!(1, 1); + fn_with_const_generic!(1, 1); + variables!(1, 1); + multiple_matchers!(1, 1); + multiple_matchers!(1, 1, 1, 1); + macro2_0!(1); + private_mac!(1); + exported_but_hidden!(1); + does_require_unsafe!(1); + multiple_unsafe_blocks!(1, 1, 1); + unsafe_from_root_ctxt!(unsafe { 1 }); + nested_macros!(1, 1); +} diff --git a/tests/ui-toml/macro_metavars_in_unsafe/default/test.stderr b/tests/ui-toml/macro_metavars_in_unsafe/default/test.stderr new file mode 100644 index 000000000000..d6b97f6fde1e --- /dev/null +++ b/tests/ui-toml/macro_metavars_in_unsafe/default/test.stderr @@ -0,0 +1,187 @@ +error: this macro expands metavariables in an unsafe block + --> tests/ui-toml/macro_metavars_in_unsafe/default/test.rs:19:9 + | +LL | / unsafe { +LL | | +LL | | dbg!($v); +LL | | } + | |_________^ + | + = note: this allows the user of the macro to write unsafe code outside of an unsafe block + = help: consider expanding any metavariables outside of this block, e.g. by storing them in a variable + = help: ... or also expand referenced metavariables in a safe context to require an unsafe block at callsite + = note: `-D clippy::macro-metavars-in-unsafe` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::macro_metavars_in_unsafe)]` + +error: this macro expands metavariables in an unsafe block + --> tests/ui-toml/macro_metavars_in_unsafe/default/test.rs:30:9 + | +LL | / unsafe { +LL | | +LL | | $r#mod; +LL | | } + | |_________^ + | + = note: this allows the user of the macro to write unsafe code outside of an unsafe block + = help: consider expanding any metavariables outside of this block, e.g. by storing them in a variable + = help: ... or also expand referenced metavariables in a safe context to require an unsafe block at callsite + +error: this macro expands metavariables in an unsafe block + --> tests/ui-toml/macro_metavars_in_unsafe/default/test.rs:42:13 + | +LL | / unsafe { +LL | | +LL | | $v; +LL | | } + | |_____________^ + | + = note: this allows the user of the macro to write unsafe code outside of an unsafe block + = help: consider expanding any metavariables outside of this block, e.g. by storing them in a variable + = help: ... or also expand referenced metavariables in a safe context to require an unsafe block at callsite + +error: this macro expands metavariables in an unsafe block + --> tests/ui-toml/macro_metavars_in_unsafe/default/test.rs:67:17 + | +LL | / unsafe { +LL | | +LL | | $v; +LL | | } + | |_________________^ + | + = note: this allows the user of the macro to write unsafe code outside of an unsafe block + = help: consider expanding any metavariables outside of this block, e.g. by storing them in a variable + = help: ... or also expand referenced metavariables in a safe context to require an unsafe block at callsite + +error: this macro expands metavariables in an unsafe block + --> tests/ui-toml/macro_metavars_in_unsafe/default/test.rs:95:21 + | +LL | unsafe { $inside_unsafe } + | ^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: this allows the user of the macro to write unsafe code outside of an unsafe block + = help: consider expanding any metavariables outside of this block, e.g. by storing them in a variable + = help: ... or also expand referenced metavariables in a safe context to require an unsafe block at callsite + +error: this macro expands metavariables in an unsafe block + --> tests/ui-toml/macro_metavars_in_unsafe/default/test.rs:110:17 + | +LL | / unsafe { +LL | | +LL | | $inside_unsafe; +LL | | } + | |_________________^ + | + = note: this allows the user of the macro to write unsafe code outside of an unsafe block + = help: consider expanding any metavariables outside of this block, e.g. by storing them in a variable + = help: ... or also expand referenced metavariables in a safe context to require an unsafe block at callsite + +error: this macro expands metavariables in an unsafe block + --> tests/ui-toml/macro_metavars_in_unsafe/default/test.rs:122:9 + | +LL | / unsafe { +LL | | +LL | | $inside_unsafe; +LL | | let inside_unsafe = 1; +LL | | inside_unsafe; +LL | | } + | |_________^ + | + = note: this allows the user of the macro to write unsafe code outside of an unsafe block + = help: consider expanding any metavariables outside of this block, e.g. by storing them in a variable + = help: ... or also expand referenced metavariables in a safe context to require an unsafe block at callsite + +error: this macro expands metavariables in an unsafe block + --> tests/ui-toml/macro_metavars_in_unsafe/default/test.rs:137:9 + | +LL | / unsafe { +LL | | +LL | | $inside_unsafe; +LL | | } + | |_________^ + | + = note: this allows the user of the macro to write unsafe code outside of an unsafe block + = help: consider expanding any metavariables outside of this block, e.g. by storing them in a variable + = help: ... or also expand referenced metavariables in a safe context to require an unsafe block at callsite + +error: this macro expands metavariables in an unsafe block + --> tests/ui-toml/macro_metavars_in_unsafe/default/test.rs:146:13 + | +LL | / unsafe { +LL | | +LL | | $x; +LL | | } + | |_____________^ + | + = note: this allows the user of the macro to write unsafe code outside of an unsafe block + = help: consider expanding any metavariables outside of this block, e.g. by storing them in a variable + = help: ... or also expand referenced metavariables in a safe context to require an unsafe block at callsite + +error: this macro expands metavariables in an unsafe block + --> tests/ui-toml/macro_metavars_in_unsafe/default/test.rs:171:5 + | +LL | / unsafe { +LL | | +LL | | $v; +LL | | } + | |_____^ + | + = note: this allows the user of the macro to write unsafe code outside of an unsafe block + = help: consider expanding any metavariables outside of this block, e.g. by storing them in a variable + = help: ... or also expand referenced metavariables in a safe context to require an unsafe block at callsite + +error: this macro expands metavariables in an unsafe block + --> tests/ui-toml/macro_metavars_in_unsafe/default/test.rs:158:9 + | +LL | / unsafe { +LL | | +LL | | $x; +LL | | } + | |_________^ + | + = note: this allows the user of the macro to write unsafe code outside of an unsafe block + = help: consider expanding any metavariables outside of this block, e.g. by storing them in a variable + = help: ... or also expand referenced metavariables in a safe context to require an unsafe block at callsite + +error: this macro expands metavariables in an unsafe block + --> tests/ui-toml/macro_metavars_in_unsafe/default/test.rs:162:9 + | +LL | / unsafe { +LL | | +LL | | $x; +LL | | $y; +LL | | } + | |_________^ + | + = note: this allows the user of the macro to write unsafe code outside of an unsafe block + = help: consider expanding any metavariables outside of this block, e.g. by storing them in a variable + = help: ... or also expand referenced metavariables in a safe context to require an unsafe block at callsite + +error: this macro expands metavariables in an unsafe block + --> tests/ui-toml/macro_metavars_in_unsafe/default/test.rs:222:9 + | +LL | / unsafe { +LL | | +LL | | $v; +LL | | } + | |_________^ + | + = note: this allows the user of the macro to write unsafe code outside of an unsafe block + = help: consider expanding any metavariables outside of this block, e.g. by storing them in a variable + = help: ... or also expand referenced metavariables in a safe context to require an unsafe block at callsite + +error: this macro expands metavariables in an unsafe block + --> tests/ui-toml/macro_metavars_in_unsafe/default/test.rs:232:9 + | +LL | / unsafe { +LL | | +LL | | nested_macro_helper!($v); +LL | | $v; +LL | | } + | |_________^ + | + = note: this allows the user of the macro to write unsafe code outside of an unsafe block + = help: consider expanding any metavariables outside of this block, e.g. by storing them in a variable + = help: ... or also expand referenced metavariables in a safe context to require an unsafe block at callsite + +error: aborting due to 14 previous errors + diff --git a/tests/ui-toml/macro_metavars_in_unsafe/private/clippy.toml b/tests/ui-toml/macro_metavars_in_unsafe/private/clippy.toml new file mode 100644 index 000000000000..d4bbc2a1be89 --- /dev/null +++ b/tests/ui-toml/macro_metavars_in_unsafe/private/clippy.toml @@ -0,0 +1 @@ +warn-unsafe-macro-metavars-in-private-macros = true diff --git a/tests/ui-toml/macro_metavars_in_unsafe/private/test.rs b/tests/ui-toml/macro_metavars_in_unsafe/private/test.rs new file mode 100644 index 000000000000..2bbe1fa7b7f9 --- /dev/null +++ b/tests/ui-toml/macro_metavars_in_unsafe/private/test.rs @@ -0,0 +1,15 @@ +//! Tests macro_metavars_in_unsafe with private (non-exported) macros +#![warn(clippy::macro_metavars_in_unsafe)] + +macro_rules! mac { + ($v:expr) => { + unsafe { + //~^ ERROR: this macro expands metavariables in an unsafe block + dbg!($v); + } + }; +} + +fn main() { + mac!(1); +} diff --git a/tests/ui-toml/macro_metavars_in_unsafe/private/test.stderr b/tests/ui-toml/macro_metavars_in_unsafe/private/test.stderr new file mode 100644 index 000000000000..f9c418b22188 --- /dev/null +++ b/tests/ui-toml/macro_metavars_in_unsafe/private/test.stderr @@ -0,0 +1,17 @@ +error: this macro expands metavariables in an unsafe block + --> tests/ui-toml/macro_metavars_in_unsafe/private/test.rs:6:9 + | +LL | / unsafe { +LL | | +LL | | dbg!($v); +LL | | } + | |_________^ + | + = note: this allows the user of the macro to write unsafe code outside of an unsafe block + = help: consider expanding any metavariables outside of this block, e.g. by storing them in a variable + = help: ... or also expand referenced metavariables in a safe context to require an unsafe block at callsite + = note: `-D clippy::macro-metavars-in-unsafe` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::macro_metavars_in_unsafe)]` + +error: aborting due to 1 previous error + diff --git a/tests/ui-toml/toml_unknown_key/conf_unknown_key.stderr b/tests/ui-toml/toml_unknown_key/conf_unknown_key.stderr index e1ba60911fe9..e42046ddef9d 100644 --- a/tests/ui-toml/toml_unknown_key/conf_unknown_key.stderr +++ b/tests/ui-toml/toml_unknown_key/conf_unknown_key.stderr @@ -75,6 +75,7 @@ error: error reading Clippy's configuration file: unknown field `foobar`, expect vec-box-size-threshold verbose-bit-mask-threshold warn-on-all-wildcard-imports + warn-unsafe-macro-metavars-in-private-macros --> $DIR/tests/ui-toml/toml_unknown_key/clippy.toml:2:1 | LL | foobar = 42 @@ -157,6 +158,7 @@ error: error reading Clippy's configuration file: unknown field `barfoo`, expect vec-box-size-threshold verbose-bit-mask-threshold warn-on-all-wildcard-imports + warn-unsafe-macro-metavars-in-private-macros --> $DIR/tests/ui-toml/toml_unknown_key/clippy.toml:4:1 | LL | barfoo = 53 @@ -239,6 +241,7 @@ error: error reading Clippy's configuration file: unknown field `allow_mixed_uni vec-box-size-threshold verbose-bit-mask-threshold warn-on-all-wildcard-imports + warn-unsafe-macro-metavars-in-private-macros --> $DIR/tests/ui-toml/toml_unknown_key/clippy.toml:7:1 | LL | allow_mixed_uninlined_format_args = true From dfc9c9132b7087252fde2734a9ba32013f246a7a Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Wed, 8 May 2024 13:10:50 -0400 Subject: [PATCH 0106/1716] Inline MemCategorization into ExprUseVisitor --- clippy_lints/src/operators/assign_op_pattern.rs | 4 ++-- clippy_lints/src/unwrap.rs | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/clippy_lints/src/operators/assign_op_pattern.rs b/clippy_lints/src/operators/assign_op_pattern.rs index 435eb9048f58..8effe6ab54db 100644 --- a/clippy_lints/src/operators/assign_op_pattern.rs +++ b/clippy_lints/src/operators/assign_op_pattern.rs @@ -120,7 +120,7 @@ fn imm_borrows_in_expr(cx: &LateContext<'_>, e: &hir::Expr<'_>) -> HirIdSet { let mut s = S(HirIdSet::default()); let infcx = cx.tcx.infer_ctxt().build(); - let mut v = ExprUseVisitor::new( + let v = ExprUseVisitor::new( &mut s, &infcx, cx.tcx.hir().body_owner_def_id(cx.enclosing_body.unwrap()), @@ -152,7 +152,7 @@ fn mut_borrows_in_expr(cx: &LateContext<'_>, e: &hir::Expr<'_>) -> HirIdSet { let mut s = S(HirIdSet::default()); let infcx = cx.tcx.infer_ctxt().build(); - let mut v = ExprUseVisitor::new( + let v = ExprUseVisitor::new( &mut s, &infcx, cx.tcx.hir().body_owner_def_id(cx.enclosing_body.unwrap()), diff --git a/clippy_lints/src/unwrap.rs b/clippy_lints/src/unwrap.rs index 2622abd59cbd..6aec3dfa45cb 100644 --- a/clippy_lints/src/unwrap.rs +++ b/clippy_lints/src/unwrap.rs @@ -253,7 +253,7 @@ impl<'a, 'tcx> UnwrappableVariablesVisitor<'a, 'tcx> { }; let infcx = self.cx.tcx.infer_ctxt().build(); - let mut vis = ExprUseVisitor::new( + let vis = ExprUseVisitor::new( &mut delegate, &infcx, cond.hir_id.owner.def_id, From db193c1c9da7aa97d25815c5d2020d2bf5bbc038 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Wed, 8 May 2024 14:08:18 -0400 Subject: [PATCH 0107/1716] Make LateCtxt be a type info delegate for EUV for clippy --- clippy_lints/src/escape.rs | 4 +--- clippy_lints/src/loops/mut_range_bound.rs | 10 +++------- .../src/methods/iter_overeager_cloned.rs | 9 +++------ clippy_lints/src/needless_pass_by_ref_mut.rs | 11 ++++------- clippy_lints/src/needless_pass_by_value.rs | 4 +--- .../src/operators/assign_op_pattern.rs | 19 ++----------------- clippy_lints/src/unwrap.rs | 10 +++------- clippy_utils/src/sugg.rs | 4 +--- clippy_utils/src/usage.rs | 10 +++------- 9 files changed, 21 insertions(+), 60 deletions(-) diff --git a/clippy_lints/src/escape.rs b/clippy_lints/src/escape.rs index 386d4c3c317f..6392ca13df18 100644 --- a/clippy_lints/src/escape.rs +++ b/clippy_lints/src/escape.rs @@ -1,7 +1,6 @@ use clippy_utils::diagnostics::span_lint_hir; use rustc_hir::{intravisit, AssocItemKind, Body, FnDecl, HirId, HirIdSet, Impl, ItemKind, Node, Pat, PatKind}; use rustc_hir_typeck::expr_use_visitor::{Delegate, ExprUseVisitor, PlaceBase, PlaceWithHirId}; -use rustc_infer::infer::TyCtxtInferExt; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::mir::FakeReadCause; use rustc_middle::ty::layout::LayoutOf; @@ -105,8 +104,7 @@ impl<'tcx> LateLintPass<'tcx> for BoxedLocal { too_large_for_stack: self.too_large_for_stack, }; - let infcx = cx.tcx.infer_ctxt().build(); - ExprUseVisitor::new(&mut v, &infcx, fn_def_id, cx.param_env, cx.typeck_results()).consume_body(body); + ExprUseVisitor::for_clippy(cx, fn_def_id, &mut v).consume_body(body); for node in v.set { span_lint_hir( diff --git a/clippy_lints/src/loops/mut_range_bound.rs b/clippy_lints/src/loops/mut_range_bound.rs index 5047092192f4..082c5977cbde 100644 --- a/clippy_lints/src/loops/mut_range_bound.rs +++ b/clippy_lints/src/loops/mut_range_bound.rs @@ -4,7 +4,6 @@ use clippy_utils::{get_enclosing_block, higher, path_to_local}; use rustc_hir::intravisit::{self, Visitor}; use rustc_hir::{BindingMode, Expr, ExprKind, HirId, Node, PatKind}; use rustc_hir_typeck::expr_use_visitor::{Delegate, ExprUseVisitor, PlaceBase, PlaceWithHirId}; -use rustc_infer::infer::TyCtxtInferExt; use rustc_lint::LateContext; use rustc_middle::mir::FakeReadCause; use rustc_middle::ty; @@ -61,13 +60,10 @@ fn check_for_mutation( span_low: None, span_high: None, }; - let infcx = cx.tcx.infer_ctxt().build(); - ExprUseVisitor::new( - &mut delegate, - &infcx, + ExprUseVisitor::for_clippy( + cx, body.hir_id.owner.def_id, - cx.param_env, - cx.typeck_results(), + &mut delegate, ) .walk_expr(body); diff --git a/clippy_lints/src/methods/iter_overeager_cloned.rs b/clippy_lints/src/methods/iter_overeager_cloned.rs index deac159457a6..d4c709de97f5 100644 --- a/clippy_lints/src/methods/iter_overeager_cloned.rs +++ b/clippy_lints/src/methods/iter_overeager_cloned.rs @@ -69,14 +69,11 @@ pub(super) fn check<'tcx>( let mut delegate = MoveDelegate { used_move: HirIdSet::default(), }; - let infcx = cx.tcx.infer_ctxt().build(); - ExprUseVisitor::new( + ExprUseVisitor::for_clippy( + cx, + closure.def_id, &mut delegate, - &infcx, - closure.body.hir_id.owner.def_id, - cx.param_env, - cx.typeck_results(), ) .consume_body(body); diff --git a/clippy_lints/src/needless_pass_by_ref_mut.rs b/clippy_lints/src/needless_pass_by_ref_mut.rs index 9e47c3ad0b7f..5e786c1277ac 100644 --- a/clippy_lints/src/needless_pass_by_ref_mut.rs +++ b/clippy_lints/src/needless_pass_by_ref_mut.rs @@ -11,7 +11,6 @@ use rustc_hir::{ PatKind, }; use rustc_hir_typeck::expr_use_visitor as euv; -use rustc_infer::infer::{InferCtxt, TyCtxtInferExt}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::mir::FakeReadCause; use rustc_middle::ty::{self, Ty, TyCtxt, UpvarId, UpvarPath}; @@ -102,7 +101,6 @@ fn should_skip<'tcx>( fn check_closures<'tcx>( ctx: &mut MutablyUsedVariablesCtxt<'tcx>, cx: &LateContext<'tcx>, - infcx: &InferCtxt<'tcx>, checked_closures: &mut FxHashSet, closures: FxHashSet, ) { @@ -119,7 +117,7 @@ fn check_closures<'tcx>( .associated_body() .map(|(_, body_id)| hir.body(body_id)) { - euv::ExprUseVisitor::new(ctx, infcx, closure, cx.param_env, cx.typeck_results()).consume_body(body); + euv::ExprUseVisitor::for_clippy(cx, closure, &mut *ctx).consume_body(body); } } } @@ -196,8 +194,7 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessPassByRefMut<'tcx> { async_closures: FxHashSet::default(), tcx: cx.tcx, }; - let infcx = cx.tcx.infer_ctxt().build(); - euv::ExprUseVisitor::new(&mut ctx, &infcx, fn_def_id, cx.param_env, cx.typeck_results()).consume_body(body); + euv::ExprUseVisitor::for_clippy(cx, fn_def_id, &mut ctx).consume_body(body); let mut checked_closures = FxHashSet::default(); @@ -210,13 +207,13 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessPassByRefMut<'tcx> { } ControlFlow::<()>::Continue(()) }); - check_closures(&mut ctx, cx, &infcx, &mut checked_closures, closures); + check_closures(&mut ctx, cx, &mut checked_closures, closures); if is_async { while !ctx.async_closures.is_empty() { let async_closures = ctx.async_closures.clone(); ctx.async_closures.clear(); - check_closures(&mut ctx, cx, &infcx, &mut checked_closures, async_closures); + check_closures(&mut ctx, cx, &mut checked_closures, async_closures); } } ctx.generate_mutably_used_ids_from_aliases() diff --git a/clippy_lints/src/needless_pass_by_value.rs b/clippy_lints/src/needless_pass_by_value.rs index 39d374d0d27f..60523ae0d0e2 100644 --- a/clippy_lints/src/needless_pass_by_value.rs +++ b/clippy_lints/src/needless_pass_by_value.rs @@ -13,7 +13,6 @@ use rustc_hir::{ TyKind, }; use rustc_hir_typeck::expr_use_visitor as euv; -use rustc_infer::infer::TyCtxtInferExt; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::mir::FakeReadCause; use rustc_middle::ty::{self, Ty, TypeVisitableExt}; @@ -134,8 +133,7 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessPassByValue { // function body. let MovedVariablesCtxt { moved_vars } = { let mut ctx = MovedVariablesCtxt::default(); - let infcx = cx.tcx.infer_ctxt().build(); - euv::ExprUseVisitor::new(&mut ctx, &infcx, fn_def_id, cx.param_env, cx.typeck_results()).consume_body(body); + euv::ExprUseVisitor::for_clippy(cx, fn_def_id, &mut ctx).consume_body(body); ctx }; diff --git a/clippy_lints/src/operators/assign_op_pattern.rs b/clippy_lints/src/operators/assign_op_pattern.rs index 8effe6ab54db..6d617447bb5f 100644 --- a/clippy_lints/src/operators/assign_op_pattern.rs +++ b/clippy_lints/src/operators/assign_op_pattern.rs @@ -11,7 +11,6 @@ use rustc_hir_typeck::expr_use_visitor::{Delegate, ExprUseVisitor, PlaceBase, Pl use rustc_lint::LateContext; use rustc_middle::mir::FakeReadCause; use rustc_middle::ty::BorrowKind; -use rustc_trait_selection::infer::TyCtxtInferExt; use super::ASSIGN_OP_PATTERN; @@ -119,14 +118,7 @@ fn imm_borrows_in_expr(cx: &LateContext<'_>, e: &hir::Expr<'_>) -> HirIdSet { } let mut s = S(HirIdSet::default()); - let infcx = cx.tcx.infer_ctxt().build(); - let v = ExprUseVisitor::new( - &mut s, - &infcx, - cx.tcx.hir().body_owner_def_id(cx.enclosing_body.unwrap()), - cx.param_env, - cx.typeck_results(), - ); + let v = ExprUseVisitor::for_clippy(cx, e.hir_id.owner.def_id, &mut s); v.consume_expr(e); s.0 } @@ -151,14 +143,7 @@ fn mut_borrows_in_expr(cx: &LateContext<'_>, e: &hir::Expr<'_>) -> HirIdSet { } let mut s = S(HirIdSet::default()); - let infcx = cx.tcx.infer_ctxt().build(); - let v = ExprUseVisitor::new( - &mut s, - &infcx, - cx.tcx.hir().body_owner_def_id(cx.enclosing_body.unwrap()), - cx.param_env, - cx.typeck_results(), - ); + let v = ExprUseVisitor::for_clippy(cx, e.hir_id.owner.def_id, &mut s); v.consume_expr(e); s.0 } diff --git a/clippy_lints/src/unwrap.rs b/clippy_lints/src/unwrap.rs index 6aec3dfa45cb..aa5555d65f63 100644 --- a/clippy_lints/src/unwrap.rs +++ b/clippy_lints/src/unwrap.rs @@ -6,7 +6,6 @@ use rustc_errors::Applicability; use rustc_hir::intravisit::{walk_expr, walk_fn, FnKind, Visitor}; use rustc_hir::{BinOpKind, Body, Expr, ExprKind, FnDecl, HirId, Node, PathSegment, UnOp}; use rustc_hir_typeck::expr_use_visitor::{Delegate, ExprUseVisitor, PlaceWithHirId}; -use rustc_infer::infer::TyCtxtInferExt; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::hir::nested_filter; use rustc_middle::lint::in_external_macro; @@ -252,13 +251,10 @@ impl<'a, 'tcx> UnwrappableVariablesVisitor<'a, 'tcx> { local_id: unwrap_info.local_id, }; - let infcx = self.cx.tcx.infer_ctxt().build(); - let vis = ExprUseVisitor::new( - &mut delegate, - &infcx, + let vis = ExprUseVisitor::for_clippy( + self.cx, cond.hir_id.owner.def_id, - self.cx.param_env, - self.cx.typeck_results(), + &mut delegate, ); vis.walk_expr(cond); vis.walk_expr(branch); diff --git a/clippy_utils/src/sugg.rs b/clippy_utils/src/sugg.rs index 8d6057272c4e..49b0eb05d2ac 100644 --- a/clippy_utils/src/sugg.rs +++ b/clippy_utils/src/sugg.rs @@ -11,7 +11,6 @@ use rustc_errors::Applicability; use rustc_hir as hir; use rustc_hir::{Closure, ExprKind, HirId, MutTy, TyKind}; use rustc_hir_typeck::expr_use_visitor::{Delegate, ExprUseVisitor, PlaceBase, PlaceWithHirId}; -use rustc_infer::infer::TyCtxtInferExt; use rustc_lint::{EarlyContext, LateContext, LintContext}; use rustc_middle::hir::place::ProjectionKind; use rustc_middle::mir::{FakeReadCause, Mutability}; @@ -831,8 +830,7 @@ pub fn deref_closure_args(cx: &LateContext<'_>, closure: &hir::Expr<'_>) -> Opti applicability: Applicability::MachineApplicable, }; - let infcx = cx.tcx.infer_ctxt().build(); - ExprUseVisitor::new(&mut visitor, &infcx, def_id, cx.param_env, cx.typeck_results()).consume_body(closure_body); + ExprUseVisitor::for_clippy(cx, def_id, &mut visitor).consume_body(closure_body); if !visitor.suggestion_start.is_empty() { return Some(DerefClosure { diff --git a/clippy_utils/src/usage.rs b/clippy_utils/src/usage.rs index a145920aa85e..d0ab6d434aab 100644 --- a/clippy_utils/src/usage.rs +++ b/clippy_utils/src/usage.rs @@ -5,7 +5,6 @@ use hir::def::Res; use rustc_hir::intravisit::{self, Visitor}; use rustc_hir::{self as hir, Expr, ExprKind, HirId, HirIdSet}; use rustc_hir_typeck::expr_use_visitor::{Delegate, ExprUseVisitor, Place, PlaceBase, PlaceWithHirId}; -use rustc_infer::infer::TyCtxtInferExt; use rustc_lint::LateContext; use rustc_middle::hir::nested_filter; use rustc_middle::mir::FakeReadCause; @@ -17,13 +16,10 @@ pub fn mutated_variables<'tcx>(expr: &'tcx Expr<'_>, cx: &LateContext<'tcx>) -> used_mutably: HirIdSet::default(), skip: false, }; - let infcx = cx.tcx.infer_ctxt().build(); - ExprUseVisitor::new( - &mut delegate, - &infcx, + ExprUseVisitor::for_clippy( + cx, expr.hir_id.owner.def_id, - cx.param_env, - cx.typeck_results(), + &mut delegate, ) .walk_expr(expr); From e65cefcf6f22cb482bcd2ae40c99f6baab8d99bc Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Thu, 9 May 2024 11:33:53 -0400 Subject: [PATCH 0108/1716] Propagate errors rather than using return_if_err --- clippy_lints/src/escape.rs | 2 +- clippy_lints/src/lib.rs | 1 + clippy_lints/src/loops/mut_range_bound.rs | 2 +- clippy_lints/src/methods/iter_overeager_cloned.rs | 3 +-- clippy_lints/src/needless_pass_by_ref_mut.rs | 4 ++-- clippy_lints/src/needless_pass_by_value.rs | 2 +- clippy_lints/src/operators/assign_op_pattern.rs | 4 ++-- clippy_lints/src/unwrap.rs | 4 ++-- clippy_utils/src/lib.rs | 1 + clippy_utils/src/sugg.rs | 4 +++- clippy_utils/src/usage.rs | 3 ++- 11 files changed, 17 insertions(+), 13 deletions(-) diff --git a/clippy_lints/src/escape.rs b/clippy_lints/src/escape.rs index 6392ca13df18..6715de52649d 100644 --- a/clippy_lints/src/escape.rs +++ b/clippy_lints/src/escape.rs @@ -104,7 +104,7 @@ impl<'tcx> LateLintPass<'tcx> for BoxedLocal { too_large_for_stack: self.too_large_for_stack, }; - ExprUseVisitor::for_clippy(cx, fn_def_id, &mut v).consume_body(body); + ExprUseVisitor::for_clippy(cx, fn_def_id, &mut v).consume_body(body).into_ok(); for node in v.set { span_lint_hir( diff --git a/clippy_lints/src/lib.rs b/clippy_lints/src/lib.rs index 2c44c3881aa7..a8bfbbdd9eca 100644 --- a/clippy_lints/src/lib.rs +++ b/clippy_lints/src/lib.rs @@ -8,6 +8,7 @@ #![feature(never_type)] #![feature(rustc_private)] #![feature(stmt_expr_attributes)] +#![feature(unwrap_infallible)] #![recursion_limit = "512"] #![cfg_attr(feature = "deny-warnings", deny(warnings))] #![allow( diff --git a/clippy_lints/src/loops/mut_range_bound.rs b/clippy_lints/src/loops/mut_range_bound.rs index 082c5977cbde..6b9ecf5f1413 100644 --- a/clippy_lints/src/loops/mut_range_bound.rs +++ b/clippy_lints/src/loops/mut_range_bound.rs @@ -65,7 +65,7 @@ fn check_for_mutation( body.hir_id.owner.def_id, &mut delegate, ) - .walk_expr(body); + .walk_expr(body).into_ok(); delegate.mutation_span() } diff --git a/clippy_lints/src/methods/iter_overeager_cloned.rs b/clippy_lints/src/methods/iter_overeager_cloned.rs index d4c709de97f5..a52d38790a2b 100644 --- a/clippy_lints/src/methods/iter_overeager_cloned.rs +++ b/clippy_lints/src/methods/iter_overeager_cloned.rs @@ -9,7 +9,6 @@ use rustc_lint::LateContext; use rustc_middle::mir::{FakeReadCause, Mutability}; use rustc_middle::ty::{self, BorrowKind}; use rustc_span::sym; -use rustc_trait_selection::infer::TyCtxtInferExt; use super::ITER_OVEREAGER_CLONED; use crate::redundant_clone::REDUNDANT_CLONE; @@ -75,7 +74,7 @@ pub(super) fn check<'tcx>( closure.def_id, &mut delegate, ) - .consume_body(body); + .consume_body(body).into_ok(); let mut to_be_discarded = false; diff --git a/clippy_lints/src/needless_pass_by_ref_mut.rs b/clippy_lints/src/needless_pass_by_ref_mut.rs index 5e786c1277ac..9b852f52ea1e 100644 --- a/clippy_lints/src/needless_pass_by_ref_mut.rs +++ b/clippy_lints/src/needless_pass_by_ref_mut.rs @@ -117,7 +117,7 @@ fn check_closures<'tcx>( .associated_body() .map(|(_, body_id)| hir.body(body_id)) { - euv::ExprUseVisitor::for_clippy(cx, closure, &mut *ctx).consume_body(body); + euv::ExprUseVisitor::for_clippy(cx, closure, &mut *ctx).consume_body(body).into_ok(); } } } @@ -194,7 +194,7 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessPassByRefMut<'tcx> { async_closures: FxHashSet::default(), tcx: cx.tcx, }; - euv::ExprUseVisitor::for_clippy(cx, fn_def_id, &mut ctx).consume_body(body); + euv::ExprUseVisitor::for_clippy(cx, fn_def_id, &mut ctx).consume_body(body).into_ok(); let mut checked_closures = FxHashSet::default(); diff --git a/clippy_lints/src/needless_pass_by_value.rs b/clippy_lints/src/needless_pass_by_value.rs index 60523ae0d0e2..0986571d0f28 100644 --- a/clippy_lints/src/needless_pass_by_value.rs +++ b/clippy_lints/src/needless_pass_by_value.rs @@ -133,7 +133,7 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessPassByValue { // function body. let MovedVariablesCtxt { moved_vars } = { let mut ctx = MovedVariablesCtxt::default(); - euv::ExprUseVisitor::for_clippy(cx, fn_def_id, &mut ctx).consume_body(body); + euv::ExprUseVisitor::for_clippy(cx, fn_def_id, &mut ctx).consume_body(body).into_ok(); ctx }; diff --git a/clippy_lints/src/operators/assign_op_pattern.rs b/clippy_lints/src/operators/assign_op_pattern.rs index 6d617447bb5f..910e584a7a0f 100644 --- a/clippy_lints/src/operators/assign_op_pattern.rs +++ b/clippy_lints/src/operators/assign_op_pattern.rs @@ -119,7 +119,7 @@ fn imm_borrows_in_expr(cx: &LateContext<'_>, e: &hir::Expr<'_>) -> HirIdSet { let mut s = S(HirIdSet::default()); let v = ExprUseVisitor::for_clippy(cx, e.hir_id.owner.def_id, &mut s); - v.consume_expr(e); + v.consume_expr(e).into_ok(); s.0 } @@ -144,6 +144,6 @@ fn mut_borrows_in_expr(cx: &LateContext<'_>, e: &hir::Expr<'_>) -> HirIdSet { let mut s = S(HirIdSet::default()); let v = ExprUseVisitor::for_clippy(cx, e.hir_id.owner.def_id, &mut s); - v.consume_expr(e); + v.consume_expr(e).into_ok(); s.0 } diff --git a/clippy_lints/src/unwrap.rs b/clippy_lints/src/unwrap.rs index aa5555d65f63..5b2841dcd833 100644 --- a/clippy_lints/src/unwrap.rs +++ b/clippy_lints/src/unwrap.rs @@ -256,8 +256,8 @@ impl<'a, 'tcx> UnwrappableVariablesVisitor<'a, 'tcx> { cond.hir_id.owner.def_id, &mut delegate, ); - vis.walk_expr(cond); - vis.walk_expr(branch); + vis.walk_expr(cond).into_ok(); + vis.walk_expr(branch).into_ok(); if delegate.is_mutated { // if the variable is mutated, we don't know whether it can be unwrapped. diff --git a/clippy_utils/src/lib.rs b/clippy_utils/src/lib.rs index a49414a058b1..99d7aba2f7a1 100644 --- a/clippy_utils/src/lib.rs +++ b/clippy_utils/src/lib.rs @@ -7,6 +7,7 @@ #![feature(never_type)] #![feature(rustc_private)] #![feature(assert_matches)] +#![feature(unwrap_infallible)] #![recursion_limit = "512"] #![cfg_attr(feature = "deny-warnings", deny(warnings))] #![allow( diff --git a/clippy_utils/src/sugg.rs b/clippy_utils/src/sugg.rs index 49b0eb05d2ac..bf03c6c16015 100644 --- a/clippy_utils/src/sugg.rs +++ b/clippy_utils/src/sugg.rs @@ -830,7 +830,9 @@ pub fn deref_closure_args(cx: &LateContext<'_>, closure: &hir::Expr<'_>) -> Opti applicability: Applicability::MachineApplicable, }; - ExprUseVisitor::for_clippy(cx, def_id, &mut visitor).consume_body(closure_body); + ExprUseVisitor::for_clippy(cx, def_id, &mut visitor) + .consume_body(closure_body) + .into_ok(); if !visitor.suggestion_start.is_empty() { return Some(DerefClosure { diff --git a/clippy_utils/src/usage.rs b/clippy_utils/src/usage.rs index d0ab6d434aab..9abb4ef9b8d3 100644 --- a/clippy_utils/src/usage.rs +++ b/clippy_utils/src/usage.rs @@ -21,7 +21,8 @@ pub fn mutated_variables<'tcx>(expr: &'tcx Expr<'_>, cx: &LateContext<'tcx>) -> expr.hir_id.owner.def_id, &mut delegate, ) - .walk_expr(expr); + .walk_expr(expr) + .into_ok(); if delegate.skip { return None; From cd7527aa35f3eca2fa00a6d21cdeb9c56de1f480 Mon Sep 17 00:00:00 2001 From: Ben Kimock Date: Sat, 11 May 2024 15:24:03 -0400 Subject: [PATCH 0109/1716] Don't print unnecessary sysroot messages --- src/tools/miri/cargo-miri/Cargo.lock | 4 +-- src/tools/miri/cargo-miri/Cargo.toml | 2 +- src/tools/miri/cargo-miri/src/setup.rs | 50 ++++++++++++++++---------- 3 files changed, 35 insertions(+), 21 deletions(-) diff --git a/src/tools/miri/cargo-miri/Cargo.lock b/src/tools/miri/cargo-miri/Cargo.lock index b8ead460249f..7d965dce07db 100644 --- a/src/tools/miri/cargo-miri/Cargo.lock +++ b/src/tools/miri/cargo-miri/Cargo.lock @@ -178,9 +178,9 @@ dependencies = [ [[package]] name = "rustc-build-sysroot" -version = "0.4.7" +version = "0.5.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ab1dbbd1bdf65fdac44c885f6cca147ba179108ce284b60a08ccc04b1f1dbac0" +checksum = "de6077473f0c46779b49e4587a81f1b8919e0ec26630409ecfda0ba3259efb43" dependencies = [ "anyhow", "rustc_version", diff --git a/src/tools/miri/cargo-miri/Cargo.toml b/src/tools/miri/cargo-miri/Cargo.toml index b16068b6d192..a68854de625d 100644 --- a/src/tools/miri/cargo-miri/Cargo.toml +++ b/src/tools/miri/cargo-miri/Cargo.toml @@ -18,7 +18,7 @@ directories = "5" rustc_version = "0.4" serde_json = "1.0.40" cargo_metadata = "0.18.0" -rustc-build-sysroot = "0.4.6" +rustc-build-sysroot = "0.5.0" # Enable some feature flags that dev-dependencies need but dependencies # do not. This makes `./miri install` after `./miri build` faster. diff --git a/src/tools/miri/cargo-miri/src/setup.rs b/src/tools/miri/cargo-miri/src/setup.rs index 9a58e6fa018d..508d30453658 100644 --- a/src/tools/miri/cargo-miri/src/setup.rs +++ b/src/tools/miri/cargo-miri/src/setup.rs @@ -6,7 +6,7 @@ use std::fmt::Write; use std::path::PathBuf; use std::process::{self, Command}; -use rustc_build_sysroot::{BuildMode, SysrootBuilder, SysrootConfig}; +use rustc_build_sysroot::{BuildMode, SysrootBuilder, SysrootConfig, SysrootStatus}; use rustc_version::VersionMeta; use crate::util::*; @@ -137,32 +137,52 @@ pub fn setup( // not apply `RUSTFLAGS` to the sysroot either. let rustflags = &["-Cdebug-assertions=off", "-Coverflow-checks=on"]; - // Do the build. - if print_sysroot || quiet { - // Be silent. - } else { + let notify = || { let mut msg = String::new(); write!(msg, "Preparing a sysroot for Miri (target: {target})").unwrap(); if verbose > 0 { write!(msg, " in {}", sysroot_dir.display()).unwrap(); } write!(msg, "...").unwrap(); - if only_setup { + + if print_sysroot || quiet { + // Be silent. + } else if only_setup { // We want to be explicit. eprintln!("{msg}"); } else { // We want to be quiet, but still let the user know that something is happening. eprint!("{msg} "); } - } - SysrootBuilder::new(&sysroot_dir, target) + }; + + // Do the build. + let status = SysrootBuilder::new(&sysroot_dir, target) .build_mode(BuildMode::Check) .rustc_version(rustc_version.clone()) .sysroot_config(sysroot_config) .rustflags(rustflags) .cargo(cargo_cmd) - .build_from_source(&rust_src) - .unwrap_or_else(|err| { + .when_build_required(notify) + .build_from_source(&rust_src); + match status { + Ok(SysrootStatus::AlreadyCached) => + if only_setup && !(print_sysroot || quiet) { + eprintln!( + "A sysroot for Miri is already available in `{}`.", + sysroot_dir.display() + ); + }, + Ok(SysrootStatus::SysrootBuilt) => { + if print_sysroot || quiet { + // Be silent. + } else if only_setup { + eprintln!("A sysroot for Miri is now available in `{}`.", sysroot_dir.display()); + } else { + eprintln!("done"); + } + } + Err(err) => if print_sysroot { show_error!("failed to build sysroot") } else if only_setup { @@ -171,15 +191,9 @@ pub fn setup( show_error!( "failed to build sysroot; run `cargo miri setup` to see the error details" ) - } - }); - if print_sysroot || quiet { - // Be silent. - } else if only_setup { - eprintln!("A sysroot for Miri is now available in `{}`.", sysroot_dir.display()); - } else { - eprintln!("done"); + }, } + if print_sysroot { // Print just the sysroot and nothing else to stdout; this way we do not need any escaping. println!("{}", sysroot_dir.display()); From 10acfd9f778a3570e4624f31c788a6427862a1a7 Mon Sep 17 00:00:00 2001 From: David Carlier Date: Sun, 5 May 2024 22:50:22 +0000 Subject: [PATCH 0110/1716] further illumos/solaris support. fixing part of `miri test alloc/hashmap`. --- src/tools/miri/ci/ci.sh | 4 ++-- src/tools/miri/src/shims/extern_static.rs | 4 ++++ src/tools/miri/src/shims/unix/foreign_items.rs | 3 ++- src/tools/miri/tests/fail/environ-gets-deallocated.rs | 7 ++++++- 4 files changed, 14 insertions(+), 4 deletions(-) diff --git a/src/tools/miri/ci/ci.sh b/src/tools/miri/ci/ci.sh index f5fbb05d8962..6292d1033b68 100755 --- a/src/tools/miri/ci/ci.sh +++ b/src/tools/miri/ci/ci.sh @@ -148,8 +148,8 @@ case $HOST_TARGET in BASIC="$VERY_BASIC hello hashmap alloc align" # ensures we have the shims for stdout and basic data structures TEST_TARGET=x86_64-unknown-freebsd run_tests_minimal $BASIC panic/panic concurrency/simple atomic threadname libc-mem libc-misc libc-random libc-time fs env num_cpus TEST_TARGET=i686-unknown-freebsd run_tests_minimal $BASIC panic/panic concurrency/simple atomic threadname libc-mem libc-misc libc-random libc-time fs env num_cpus - TEST_TARGET=x86_64-unknown-illumos run_tests_minimal $VERY_BASIC hello panic/panic concurrency/simple pthread-sync libc-mem libc-misc libc-random - TEST_TARGET=x86_64-pc-solaris run_tests_minimal $VERY_BASIC hello panic/panic concurrency/simple pthread-sync libc-mem libc-misc libc-random + TEST_TARGET=x86_64-unknown-illumos run_tests_minimal $BASIC hello panic/panic concurrency/simple pthread-sync libc-mem libc-misc libc-random env + TEST_TARGET=x86_64-pc-solaris run_tests_minimal $BASIC hello panic/panic concurrency/simple pthread-sync libc-mem libc-misc libc-random env TEST_TARGET=aarch64-linux-android run_tests_minimal $VERY_BASIC hello panic/panic TEST_TARGET=wasm32-wasi run_tests_minimal $VERY_BASIC wasm TEST_TARGET=wasm32-unknown-unknown run_tests_minimal $VERY_BASIC wasm diff --git a/src/tools/miri/src/shims/extern_static.rs b/src/tools/miri/src/shims/extern_static.rs index c3c7ef7c1fd8..12fede39e27b 100644 --- a/src/tools/miri/src/shims/extern_static.rs +++ b/src/tools/miri/src/shims/extern_static.rs @@ -76,6 +76,10 @@ impl<'mir, 'tcx> MiriMachine<'mir, 'tcx> { Self::null_ptr_extern_statics(this, &["bsd_signal"])?; Self::weak_symbol_extern_statics(this, &["signal"])?; } + "solaris" | "illumos" => { + let environ = this.machine.env_vars.unix().environ(); + Self::add_extern_static(this, "environ", environ); + } "windows" => { // "_tls_used" // This is some obscure hack that is part of the Windows TLS story. It's a `u8`. diff --git a/src/tools/miri/src/shims/unix/foreign_items.rs b/src/tools/miri/src/shims/unix/foreign_items.rs index b5165548d1bd..5434951d9e40 100644 --- a/src/tools/miri/src/shims/unix/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/foreign_items.rs @@ -714,8 +714,9 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { this.write_int(super::UID, dest)?; } - "getpwuid_r" + "getpwuid_r" | "__posix_getpwuid_r" if this.frame_in_std() => { + // getpwuid_r is the standard name, __posix_getpwuid_r is used on solarish let [uid, pwd, buf, buflen, result] = this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?; this.check_no_isolation("`getpwuid_r`")?; diff --git a/src/tools/miri/tests/fail/environ-gets-deallocated.rs b/src/tools/miri/tests/fail/environ-gets-deallocated.rs index 6dcf1fdb1c7d..08545a72567a 100644 --- a/src/tools/miri/tests/fail/environ-gets-deallocated.rs +++ b/src/tools/miri/tests/fail/environ-gets-deallocated.rs @@ -1,6 +1,11 @@ //@ignore-target-windows: Windows does not have a global environ list that the program can access directly -#[cfg(any(target_os = "linux", target_os = "freebsd"))] +#[cfg(any( + target_os = "linux", + target_os = "freebsd", + target_os = "solaris", + target_os = "illumos" +))] fn get_environ() -> *const *const u8 { extern "C" { static mut environ: *const *const u8; From f4931437c249ed5275ae20eb4ac58e3e4484fa98 Mon Sep 17 00:00:00 2001 From: David Tolnay Date: Sun, 12 May 2024 12:49:49 -0700 Subject: [PATCH 0111/1716] Clean up unneeded warnings from let-else syntax test --- tests/ui/parser/bad-let-else-statement.rs | 59 ++-- tests/ui/parser/bad-let-else-statement.stderr | 300 +++--------------- 2 files changed, 69 insertions(+), 290 deletions(-) diff --git a/tests/ui/parser/bad-let-else-statement.rs b/tests/ui/parser/bad-let-else-statement.rs index de41a07568fb..8ed55f949598 100644 --- a/tests/ui/parser/bad-let-else-statement.rs +++ b/tests/ui/parser/bad-let-else-statement.rs @@ -3,8 +3,7 @@ #![feature(explicit_tail_calls)] fn a() { - let foo = { - //~^ WARN irrefutable `let...else` pattern + let 0 = { 1 } else { //~^ ERROR right curly brace `}` before `else` in a `let...else` statement not allowed @@ -22,8 +21,7 @@ fn b() { } fn c() { - let foo = if true { - //~^ WARN irrefutable `let...else` pattern + let 0 = if true { 1 } else { 0 @@ -43,8 +41,7 @@ fn d() { } fn e() { - let foo = match true { - //~^ WARN irrefutable `let...else` pattern + let 0 = match true { true => 1, false => 0 } else { @@ -53,10 +50,12 @@ fn e() { }; } -struct X {a: i32} fn f() { - let foo = X { - //~^ WARN irrefutable `let...else` pattern + struct X { + a: i32, + } + + let X { a: 0 } = X { a: 1 } else { //~^ ERROR right curly brace `}` before `else` in a `let...else` statement not allowed @@ -74,8 +73,7 @@ fn g() { } fn h() { - let foo = const { - //~^ WARN irrefutable `let...else` pattern + let 0 = const { 1 } else { //~^ ERROR right curly brace `}` before `else` in a `let...else` statement not allowed @@ -84,8 +82,7 @@ fn h() { } fn i() { - let foo = &{ - //~^ WARN irrefutable `let...else` pattern + let 0 = &{ 1 } else { //~^ ERROR right curly brace `}` before `else` in a `let...else` statement not allowed @@ -94,8 +91,8 @@ fn i() { } fn j() { - let bar = 0; - let foo = bar = { //~ ERROR: cannot assign twice + let mut bar = 0; + let foo = bar = { //~^ WARN irrefutable `let...else` pattern 1 } else { @@ -105,8 +102,7 @@ fn j() { } fn k() { - let foo = 1 + { - //~^ WARN irrefutable `let...else` pattern + let 0 = 1 + { 1 } else { //~^ ERROR right curly brace `}` before `else` in a `let...else` statement not allowed @@ -115,8 +111,8 @@ fn k() { } fn l() { - let foo = 1..{ - //~^ WARN irrefutable `let...else` pattern + const RANGE: std::ops::Range = 0..0; + let RANGE = 1..{ 1 } else { //~^ ERROR right curly brace `}` before `else` in a `let...else` statement not allowed @@ -125,8 +121,7 @@ fn l() { } fn m() { - let foo = return { - //~^ WARN irrefutable `let...else` pattern + let 0 = return { () } else { //~^ ERROR right curly brace `}` before `else` in a `let...else` statement not allowed @@ -135,8 +130,7 @@ fn m() { } fn n() { - let foo = -{ - //~^ WARN irrefutable `let...else` pattern + let 0 = -{ 1 } else { //~^ ERROR right curly brace `}` before `else` in a `let...else` statement not allowed @@ -145,8 +139,7 @@ fn n() { } fn o() -> Result<(), ()> { - let foo = do yeet { - //~^ WARN irrefutable `let...else` pattern + let 0 = do yeet { () } else { //~^ ERROR right curly brace `}` before `else` in a `let...else` statement not allowed @@ -155,8 +148,7 @@ fn o() -> Result<(), ()> { } fn p() { - let foo = become { - //~^ WARN irrefutable `let...else` pattern + let 0 = become { () } else { //~^ ERROR right curly brace `}` before `else` in a `let...else` statement not allowed @@ -185,22 +177,23 @@ fn r() { fn s() { macro_rules! a { - () => { {} } - //~^ WARN irrefutable `let...else` pattern - //~| WARN irrefutable `let...else` pattern + () => { + { 1 } + }; } macro_rules! b { (1) => { - let x = a!() else { return; }; + let 0 = a!() else { return; }; }; (2) => { - let x = a! {} else { return; }; + let 0 = a! {} else { return; }; //~^ ERROR right curly brace `}` before `else` in a `let...else` statement not allowed }; } - b!(1); b!(2); + b!(1); + b!(2); } fn main() {} diff --git a/tests/ui/parser/bad-let-else-statement.stderr b/tests/ui/parser/bad-let-else-statement.stderr index 3f7e176b3e31..60b4600ff35d 100644 --- a/tests/ui/parser/bad-let-else-statement.stderr +++ b/tests/ui/parser/bad-let-else-statement.stderr @@ -1,19 +1,18 @@ error: right curly brace `}` before `else` in a `let...else` statement not allowed - --> $DIR/bad-let-else-statement.rs:9:5 + --> $DIR/bad-let-else-statement.rs:8:5 | LL | } else { | ^ | help: wrap the expression in parentheses | -LL ~ let foo = ({ -LL | +LL ~ let 0 = ({ LL | 1 LL ~ }) else { | error: `for...else` loops are not supported - --> $DIR/bad-let-else-statement.rs:18:7 + --> $DIR/bad-let-else-statement.rs:17:7 | LL | let foo = for i in 1..2 { | --- `else` is attached to this loop @@ -28,22 +27,22 @@ LL | | }; = note: consider moving this `else` clause to a separate `if` statement and use a `bool` variable to control if it should run error: right curly brace `}` before `else` in a `let...else` statement not allowed - --> $DIR/bad-let-else-statement.rs:30:5 + --> $DIR/bad-let-else-statement.rs:28:5 | LL | } else { | ^ | help: wrap the expression in parentheses | -LL ~ let foo = (if true { -LL | - ... +LL ~ let 0 = (if true { +LL | 1 +LL | } else { LL | 0 LL ~ }) else { | error: `loop...else` loops are not supported - --> $DIR/bad-let-else-statement.rs:39:7 + --> $DIR/bad-let-else-statement.rs:37:7 | LL | let foo = loop { | ---- `else` is attached to this loop @@ -58,36 +57,34 @@ LL | | }; = note: consider moving this `else` clause to a separate `if` statement and use a `bool` variable to control if it should run error: right curly brace `}` before `else` in a `let...else` statement not allowed - --> $DIR/bad-let-else-statement.rs:50:5 + --> $DIR/bad-let-else-statement.rs:47:5 | LL | } else { | ^ | help: wrap the expression in parentheses | -LL ~ let foo = (match true { -LL | +LL ~ let 0 = (match true { LL | true => 1, LL | false => 0 LL ~ }) else { | error: right curly brace `}` before `else` in a `let...else` statement not allowed - --> $DIR/bad-let-else-statement.rs:61:5 + --> $DIR/bad-let-else-statement.rs:60:5 | LL | } else { | ^ | help: wrap the expression in parentheses | -LL ~ let foo = (X { -LL | +LL ~ let X { a: 0 } = (X { LL | a: 1 LL ~ }) else { | error: `while...else` loops are not supported - --> $DIR/bad-let-else-statement.rs:70:7 + --> $DIR/bad-let-else-statement.rs:69:7 | LL | let foo = while false { | ----- `else` is attached to this loop @@ -102,35 +99,33 @@ LL | | }; = note: consider moving this `else` clause to a separate `if` statement and use a `bool` variable to control if it should run error: right curly brace `}` before `else` in a `let...else` statement not allowed - --> $DIR/bad-let-else-statement.rs:80:5 + --> $DIR/bad-let-else-statement.rs:78:5 | LL | } else { | ^ | help: wrap the expression in parentheses | -LL ~ let foo = (const { -LL | +LL ~ let 0 = (const { LL | 1 LL ~ }) else { | error: right curly brace `}` before `else` in a `let...else` statement not allowed - --> $DIR/bad-let-else-statement.rs:90:5 + --> $DIR/bad-let-else-statement.rs:87:5 | LL | } else { | ^ | help: wrap the expression in parentheses | -LL ~ let foo = &({ -LL | +LL ~ let 0 = &({ LL | 1 LL ~ }) else { | error: right curly brace `}` before `else` in a `let...else` statement not allowed - --> $DIR/bad-let-else-statement.rs:101:5 + --> $DIR/bad-let-else-statement.rs:98:5 | LL | } else { | ^ @@ -144,91 +139,85 @@ LL ~ }) else { | error: right curly brace `}` before `else` in a `let...else` statement not allowed - --> $DIR/bad-let-else-statement.rs:111:5 + --> $DIR/bad-let-else-statement.rs:107:5 | LL | } else { | ^ | help: wrap the expression in parentheses | -LL ~ let foo = 1 + ({ -LL | +LL ~ let 0 = 1 + ({ LL | 1 LL ~ }) else { | error: right curly brace `}` before `else` in a `let...else` statement not allowed - --> $DIR/bad-let-else-statement.rs:121:5 + --> $DIR/bad-let-else-statement.rs:117:5 | LL | } else { | ^ | help: wrap the expression in parentheses | -LL ~ let foo = 1..({ -LL | +LL ~ let RANGE = 1..({ LL | 1 LL ~ }) else { | error: right curly brace `}` before `else` in a `let...else` statement not allowed - --> $DIR/bad-let-else-statement.rs:131:5 + --> $DIR/bad-let-else-statement.rs:126:5 | LL | } else { | ^ | help: wrap the expression in parentheses | -LL ~ let foo = return ({ -LL | +LL ~ let 0 = return ({ LL | () LL ~ }) else { | error: right curly brace `}` before `else` in a `let...else` statement not allowed - --> $DIR/bad-let-else-statement.rs:141:5 + --> $DIR/bad-let-else-statement.rs:135:5 | LL | } else { | ^ | help: wrap the expression in parentheses | -LL ~ let foo = -({ -LL | +LL ~ let 0 = -({ LL | 1 LL ~ }) else { | error: right curly brace `}` before `else` in a `let...else` statement not allowed - --> $DIR/bad-let-else-statement.rs:151:5 + --> $DIR/bad-let-else-statement.rs:144:5 | LL | } else { | ^ | help: wrap the expression in parentheses | -LL ~ let foo = do yeet ({ -LL | +LL ~ let 0 = do yeet ({ LL | () LL ~ }) else { | error: right curly brace `}` before `else` in a `let...else` statement not allowed - --> $DIR/bad-let-else-statement.rs:161:5 + --> $DIR/bad-let-else-statement.rs:153:5 | LL | } else { | ^ | help: wrap the expression in parentheses | -LL ~ let foo = become ({ -LL | +LL ~ let 0 = become ({ LL | () LL ~ }) else { | error: right curly brace `}` before `else` in a `let...else` statement not allowed - --> $DIR/bad-let-else-statement.rs:171:5 + --> $DIR/bad-let-else-statement.rs:163:5 | LL | } else { | ^ @@ -242,7 +231,7 @@ LL ~ }) else { | error: right curly brace `}` before `else` in a `let...else` statement not allowed - --> $DIR/bad-let-else-statement.rs:181:31 + --> $DIR/bad-let-else-statement.rs:173:31 | LL | let bad = format_args! {""} else { return; }; | ^ @@ -253,24 +242,24 @@ LL | let bad = format_args! ("") else { return; }; | ~ ~ error: right curly brace `}` before `else` in a `let...else` statement not allowed - --> $DIR/bad-let-else-statement.rs:198:25 + --> $DIR/bad-let-else-statement.rs:190:25 | -LL | let x = a! {} else { return; }; +LL | let 0 = a! {} else { return; }; | ^ ... -LL | b!(1); b!(2); - | ----- in this macro invocation +LL | b!(2); + | ----- in this macro invocation | = note: this error originates in the macro `b` (in Nightly builds, run with -Z macro-backtrace for more info) help: use parentheses instead of braces for this macro | -LL | let x = a! () else { return; }; +LL | let 0 = a! () else { return; }; | ~~ warning: irrefutable `let...else` pattern - --> $DIR/bad-let-else-statement.rs:6:5 + --> $DIR/bad-let-else-statement.rs:95:5 | -LL | / let foo = { +LL | / let foo = bar = { LL | | LL | | 1 LL | | } else { @@ -281,169 +270,7 @@ LL | | } else { = note: `#[warn(irrefutable_let_patterns)]` on by default warning: irrefutable `let...else` pattern - --> $DIR/bad-let-else-statement.rs:25:5 - | -LL | / let foo = if true { -LL | | -LL | | 1 -LL | | } else { -LL | | 0 -LL | | } else { - | |_____^ - | - = note: this pattern will always match, so the `else` clause is useless - = help: consider removing the `else` clause - -warning: irrefutable `let...else` pattern - --> $DIR/bad-let-else-statement.rs:46:5 - | -LL | / let foo = match true { -LL | | -LL | | true => 1, -LL | | false => 0 -LL | | } else { - | |_____^ - | - = note: this pattern will always match, so the `else` clause is useless - = help: consider removing the `else` clause - -warning: irrefutable `let...else` pattern - --> $DIR/bad-let-else-statement.rs:58:5 - | -LL | / let foo = X { -LL | | -LL | | a: 1 -LL | | } else { - | |_____^ - | - = note: this pattern will always match, so the `else` clause is useless - = help: consider removing the `else` clause - -warning: irrefutable `let...else` pattern - --> $DIR/bad-let-else-statement.rs:77:5 - | -LL | / let foo = const { -LL | | -LL | | 1 -LL | | } else { - | |_____^ - | - = note: this pattern will always match, so the `else` clause is useless - = help: consider removing the `else` clause - -warning: irrefutable `let...else` pattern - --> $DIR/bad-let-else-statement.rs:87:5 - | -LL | / let foo = &{ -LL | | -LL | | 1 -LL | | } else { - | |_____^ - | - = note: this pattern will always match, so the `else` clause is useless - = help: consider removing the `else` clause - -warning: irrefutable `let...else` pattern - --> $DIR/bad-let-else-statement.rs:98:5 - | -LL | / let foo = bar = { -LL | | -LL | | 1 -LL | | } else { - | |_____^ - | - = note: this pattern will always match, so the `else` clause is useless - = help: consider removing the `else` clause - -error[E0384]: cannot assign twice to immutable variable `bar` - --> $DIR/bad-let-else-statement.rs:98:15 - | -LL | let bar = 0; - | --- - | | - | first assignment to `bar` - | help: consider making this binding mutable: `mut bar` -LL | let foo = bar = { - | _______________^ -LL | | -LL | | 1 -LL | | } else { - | |_____^ cannot assign twice to immutable variable - -warning: irrefutable `let...else` pattern - --> $DIR/bad-let-else-statement.rs:108:5 - | -LL | / let foo = 1 + { -LL | | -LL | | 1 -LL | | } else { - | |_____^ - | - = note: this pattern will always match, so the `else` clause is useless - = help: consider removing the `else` clause - -warning: irrefutable `let...else` pattern - --> $DIR/bad-let-else-statement.rs:118:5 - | -LL | / let foo = 1..{ -LL | | -LL | | 1 -LL | | } else { - | |_____^ - | - = note: this pattern will always match, so the `else` clause is useless - = help: consider removing the `else` clause - -warning: irrefutable `let...else` pattern - --> $DIR/bad-let-else-statement.rs:128:5 - | -LL | / let foo = return { -LL | | -LL | | () -LL | | } else { - | |_____^ - | - = note: this pattern will always match, so the `else` clause is useless - = help: consider removing the `else` clause - -warning: irrefutable `let...else` pattern - --> $DIR/bad-let-else-statement.rs:138:5 - | -LL | / let foo = -{ -LL | | -LL | | 1 -LL | | } else { - | |_____^ - | - = note: this pattern will always match, so the `else` clause is useless - = help: consider removing the `else` clause - -warning: irrefutable `let...else` pattern - --> $DIR/bad-let-else-statement.rs:148:5 - | -LL | / let foo = do yeet { -LL | | -LL | | () -LL | | } else { - | |_____^ - | - = note: this pattern will always match, so the `else` clause is useless - = help: consider removing the `else` clause - -warning: irrefutable `let...else` pattern - --> $DIR/bad-let-else-statement.rs:158:5 - | -LL | / let foo = become { -LL | | -LL | | () -LL | | } else { - | |_____^ - | - = note: this pattern will always match, so the `else` clause is useless - = help: consider removing the `else` clause - -warning: irrefutable `let...else` pattern - --> $DIR/bad-let-else-statement.rs:168:5 + --> $DIR/bad-let-else-statement.rs:160:5 | LL | / let foo = |x: i32| { LL | | @@ -455,7 +282,7 @@ LL | | } else { = help: consider removing the `else` clause warning: irrefutable `let...else` pattern - --> $DIR/bad-let-else-statement.rs:178:5 + --> $DIR/bad-let-else-statement.rs:170:5 | LL | let ok = format_args!("") else { return; }; | ^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -464,7 +291,7 @@ LL | let ok = format_args!("") else { return; }; = help: consider removing the `else` clause warning: irrefutable `let...else` pattern - --> $DIR/bad-let-else-statement.rs:181:5 + --> $DIR/bad-let-else-statement.rs:173:5 | LL | let bad = format_args! {""} else { return; }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -472,46 +299,5 @@ LL | let bad = format_args! {""} else { return; }; = note: this pattern will always match, so the `else` clause is useless = help: consider removing the `else` clause -warning: irrefutable `let...else` pattern - --> $DIR/bad-let-else-statement.rs:188:19 - | -LL | () => { {} } - | ___________________^ -LL | | -LL | | -LL | | } -... | -LL | | (1) => { -LL | | let x = a!() else { return; }; - | |____________^ -... -LL | b!(1); b!(2); - | ----- in this macro invocation - | - = note: this pattern will always match, so the `else` clause is useless - = help: consider removing the `else` clause - = note: this warning originates in the macro `b` (in Nightly builds, run with -Z macro-backtrace for more info) +error: aborting due to 19 previous errors; 4 warnings emitted -warning: irrefutable `let...else` pattern - --> $DIR/bad-let-else-statement.rs:188:19 - | -LL | () => { {} } - | ___________________^ -LL | | -LL | | -LL | | } -... | -LL | | (2) => { -LL | | let x = a! {} else { return; }; - | |____________^ -... -LL | b!(1); b!(2); - | ----- in this macro invocation - | - = note: this pattern will always match, so the `else` clause is useless - = help: consider removing the `else` clause - = note: this warning originates in the macro `b` (in Nightly builds, run with -Z macro-backtrace for more info) - -error: aborting due to 20 previous errors; 18 warnings emitted - -For more information about this error, try `rustc --explain E0384`. From 75a34ca26294cb79bd8b126c0fc18f4c207faaf0 Mon Sep 17 00:00:00 2001 From: David Tolnay Date: Sun, 12 May 2024 13:02:54 -0700 Subject: [PATCH 0112/1716] Add test of trailing brace in a cast expression --- tests/ui/parser/bad-let-else-statement.rs | 14 ++++++++++++++ tests/ui/parser/bad-let-else-statement.stderr | 14 +++++++++++++- 2 files changed, 27 insertions(+), 1 deletion(-) diff --git a/tests/ui/parser/bad-let-else-statement.rs b/tests/ui/parser/bad-let-else-statement.rs index 8ed55f949598..2dce9ed24d2d 100644 --- a/tests/ui/parser/bad-let-else-statement.rs +++ b/tests/ui/parser/bad-let-else-statement.rs @@ -196,4 +196,18 @@ fn s() { b!(2); } +fn t() { + macro_rules! primitive { + (8) => { u8 }; + } + + let foo = &std::ptr::null as &'static dyn std::ops::Fn() -> *const primitive! { + //~^ WARN irrefutable `let...else` pattern + 8 + } else { + // FIXME: right curly brace `}` before `else` in a `let...else` statement not allowed + return; + }; +} + fn main() {} diff --git a/tests/ui/parser/bad-let-else-statement.stderr b/tests/ui/parser/bad-let-else-statement.stderr index 60b4600ff35d..76097aaca832 100644 --- a/tests/ui/parser/bad-let-else-statement.stderr +++ b/tests/ui/parser/bad-let-else-statement.stderr @@ -299,5 +299,17 @@ LL | let bad = format_args! {""} else { return; }; = note: this pattern will always match, so the `else` clause is useless = help: consider removing the `else` clause -error: aborting due to 19 previous errors; 4 warnings emitted +warning: irrefutable `let...else` pattern + --> $DIR/bad-let-else-statement.rs:204:5 + | +LL | / let foo = &std::ptr::null as &'static dyn std::ops::Fn() -> *const primitive! { +LL | | +LL | | 8 +LL | | } else { + | |_____^ + | + = note: this pattern will always match, so the `else` clause is useless + = help: consider removing the `else` clause + +error: aborting due to 19 previous errors; 5 warnings emitted From 12ec009f5a200c89f43f80615369daab1d28b812 Mon Sep 17 00:00:00 2001 From: Caio Date: Sun, 12 May 2024 21:59:45 -0300 Subject: [PATCH 0113/1716] Fix #12760 --- clippy_lints/src/doc/missing_headers.rs | 9 ++++----- clippy_lints/src/doc/mod.rs | 13 ++++++++----- tests/ui/missing_panics_doc.rs | 8 ++++++++ 3 files changed, 20 insertions(+), 10 deletions(-) diff --git a/clippy_lints/src/doc/missing_headers.rs b/clippy_lints/src/doc/missing_headers.rs index f935ae2e3e48..679fae598974 100644 --- a/clippy_lints/src/doc/missing_headers.rs +++ b/clippy_lints/src/doc/missing_headers.rs @@ -1,3 +1,4 @@ +use super::{DocHeaders, MISSING_ERRORS_DOC, MISSING_PANICS_DOC, MISSING_SAFETY_DOC, UNNECESSARY_SAFETY_DOC}; use clippy_utils::diagnostics::{span_lint, span_lint_and_note}; use clippy_utils::ty::{implements_trait, is_type_diagnostic_item}; use clippy_utils::{is_doc_hidden, return_ty}; @@ -6,15 +7,13 @@ use rustc_lint::LateContext; use rustc_middle::ty; use rustc_span::{sym, Span}; -use super::{DocHeaders, MISSING_ERRORS_DOC, MISSING_PANICS_DOC, MISSING_SAFETY_DOC, UNNECESSARY_SAFETY_DOC}; - pub fn check( cx: &LateContext<'_>, owner_id: OwnerId, sig: FnSig<'_>, headers: DocHeaders, body_id: Option, - panic_span: Option, + panic_info: Option<(Span, bool)>, check_private_items: bool, ) { if !check_private_items && !cx.effective_visibilities.is_exported(owner_id.def_id) { @@ -48,13 +47,13 @@ pub fn check( ), _ => (), } - if !headers.panics && panic_span.is_some() { + if !headers.panics && panic_info.map_or(false, |el| !el.1) { span_lint_and_note( cx, MISSING_PANICS_DOC, span, "docs for function which may panic missing `# Panics` section", - panic_span, + panic_info.map(|el| el.0), "first possible panic found here", ); } diff --git a/clippy_lints/src/doc/mod.rs b/clippy_lints/src/doc/mod.rs index 29ccf4fceb5b..9ee4aad337d2 100644 --- a/clippy_lints/src/doc/mod.rs +++ b/clippy_lints/src/doc/mod.rs @@ -4,7 +4,7 @@ use clippy_utils::diagnostics::{span_lint, span_lint_and_help}; use clippy_utils::macros::{is_panic, root_macro_call_first_node}; use clippy_utils::ty::is_type_diagnostic_item; use clippy_utils::visitors::Visitable; -use clippy_utils::{is_entrypoint_fn, is_trait_impl_item, method_chain_args}; +use clippy_utils::{in_constant, is_entrypoint_fn, is_trait_impl_item, method_chain_args}; use pulldown_cmark::Event::{ Code, End, FootnoteReference, HardBreak, Html, Rule, SoftBreak, Start, TaskListMarker, Text, }; @@ -461,14 +461,14 @@ impl<'tcx> LateLintPass<'tcx> for Documentation { if !(is_entrypoint_fn(cx, item.owner_id.to_def_id()) || in_external_macro(cx.tcx.sess, item.span)) { let body = cx.tcx.hir().body(body_id); - let panic_span = FindPanicUnwrap::find_span(cx, cx.tcx.typeck(item.owner_id), body.value); + let panic_info = FindPanicUnwrap::find_span(cx, cx.tcx.typeck(item.owner_id), body.value); missing_headers::check( cx, item.owner_id, sig, headers, Some(body_id), - panic_span, + panic_info, self.check_private_items, ); } @@ -806,6 +806,7 @@ fn check_doc<'a, Events: Iterator, Range { cx: &'a LateContext<'tcx>, + is_const: bool, panic_span: Option, typeck_results: &'tcx ty::TypeckResults<'tcx>, } @@ -815,14 +816,15 @@ impl<'a, 'tcx> FindPanicUnwrap<'a, 'tcx> { cx: &'a LateContext<'tcx>, typeck_results: &'tcx ty::TypeckResults<'tcx>, body: impl Visitable<'tcx>, - ) -> Option { + ) -> Option<(Span, bool)> { let mut vis = Self { cx, + is_const: false, panic_span: None, typeck_results, }; body.visit(&mut vis); - vis.panic_span + vis.panic_span.map(|el| (el, vis.is_const)) } } @@ -841,6 +843,7 @@ impl<'a, 'tcx> Visitor<'tcx> for FindPanicUnwrap<'a, 'tcx> { "assert" | "assert_eq" | "assert_ne" ) { + self.is_const = in_constant(self.cx, expr.hir_id); self.panic_span = Some(macro_call.span); } } diff --git a/tests/ui/missing_panics_doc.rs b/tests/ui/missing_panics_doc.rs index 0e1533fc1ab1..b0fa8e988598 100644 --- a/tests/ui/missing_panics_doc.rs +++ b/tests/ui/missing_panics_doc.rs @@ -191,3 +191,11 @@ fn from_declared_macro_should_lint_at_macrosite() { // Not here. some_macro_that_panics!() } + +pub fn issue_12760() { + const { + if N == 0 { + panic!(); + } + } +} From 5c6326ad799511e59b1de60b25603309d5322090 Mon Sep 17 00:00:00 2001 From: Billy Sheppard Date: Fri, 3 May 2024 00:10:40 +0000 Subject: [PATCH 0114/1716] added Default impls reorganised attrs removed OsStr impls added backticks --- library/alloc/src/ffi/c_str.rs | 22 ++++++++++++++++++++++ library/alloc/src/rc.rs | 21 +++++++++++++++++++++ library/alloc/src/sync.rs | 21 +++++++++++++++++++++ 3 files changed, 64 insertions(+) diff --git a/library/alloc/src/ffi/c_str.rs b/library/alloc/src/ffi/c_str.rs index f143e5578717..19dd90eb81f4 100644 --- a/library/alloc/src/ffi/c_str.rs +++ b/library/alloc/src/ffi/c_str.rs @@ -910,6 +910,28 @@ impl From<&CStr> for Rc { } } +#[cfg(not(no_global_oom_handling))] +#[stable(feature = "more_rc_default_impls", since = "CURRENT_RUSTC_VERSION")] +impl Default for Arc { + /// Creates an empty CStr inside an Arc + #[inline] + fn default() -> Self { + let c_str: &CStr = Default::default(); + Arc::from(c_str) + } +} + +#[cfg(not(no_global_oom_handling))] +#[stable(feature = "more_rc_default_impls", since = "CURRENT_RUSTC_VERSION")] +impl Default for Rc { + /// Creates an empty CStr inside an Rc + #[inline] + fn default() -> Self { + let c_str: &CStr = Default::default(); + Rc::from(c_str) + } +} + #[cfg(not(test))] #[stable(feature = "default_box_extra", since = "1.17.0")] impl Default for Box { diff --git a/library/alloc/src/rc.rs b/library/alloc/src/rc.rs index 45b205356758..206489876e3f 100644 --- a/library/alloc/src/rc.rs +++ b/library/alloc/src/rc.rs @@ -2224,6 +2224,27 @@ impl Default for Rc { } } +#[cfg(not(no_global_oom_handling))] +#[stable(feature = "more_rc_default_impls", since = "CURRENT_RUSTC_VERSION")] +impl Default for Rc { + /// Creates an empty str inside an Rc + #[inline] + fn default() -> Self { + Rc::from("") + } +} + +#[cfg(not(no_global_oom_handling))] +#[stable(feature = "more_rc_default_impls", since = "CURRENT_RUSTC_VERSION")] +impl Default for Rc<[T]> { + /// Creates an empty `[T]` inside an Rc + #[inline] + fn default() -> Self { + let arr: [T; 0] = []; + Rc::from(arr) + } +} + #[stable(feature = "rust1", since = "1.0.0")] trait RcEqIdent { fn eq(&self, other: &Rc) -> bool; diff --git a/library/alloc/src/sync.rs b/library/alloc/src/sync.rs index a35c99849b34..5f6ce80e1942 100644 --- a/library/alloc/src/sync.rs +++ b/library/alloc/src/sync.rs @@ -3300,6 +3300,27 @@ impl Default for Arc { } } +#[cfg(not(no_global_oom_handling))] +#[stable(feature = "more_rc_default_impls", since = "CURRENT_RUSTC_VERSION")] +impl Default for Arc { + /// Creates an empty str inside an Arc + #[inline] + fn default() -> Self { + Arc::from("") + } +} + +#[cfg(not(no_global_oom_handling))] +#[stable(feature = "more_rc_default_impls", since = "CURRENT_RUSTC_VERSION")] +impl Default for Arc<[T]> { + /// Creates an empty `[T]` inside an Arc + #[inline] + fn default() -> Self { + let arr: [T; 0] = []; + Arc::from(arr) + } +} + #[stable(feature = "rust1", since = "1.0.0")] impl Hash for Arc { fn hash(&self, state: &mut H) { From 0b3ebb546fac5de6be624d335abb3c5f7ad82c74 Mon Sep 17 00:00:00 2001 From: Zachary S Date: Sat, 11 May 2024 07:11:36 -0500 Subject: [PATCH 0115/1716] Add note about possible allocation-sharing to Arc/Rc::default. --- library/alloc/src/ffi/c_str.rs | 4 ++++ library/alloc/src/rc.rs | 4 ++++ library/alloc/src/sync.rs | 4 ++++ 3 files changed, 12 insertions(+) diff --git a/library/alloc/src/ffi/c_str.rs b/library/alloc/src/ffi/c_str.rs index 19dd90eb81f4..3b56a5717e24 100644 --- a/library/alloc/src/ffi/c_str.rs +++ b/library/alloc/src/ffi/c_str.rs @@ -914,6 +914,8 @@ impl From<&CStr> for Rc { #[stable(feature = "more_rc_default_impls", since = "CURRENT_RUSTC_VERSION")] impl Default for Arc { /// Creates an empty CStr inside an Arc + /// + /// This may or may not share an allocation with other Arcs. #[inline] fn default() -> Self { let c_str: &CStr = Default::default(); @@ -925,6 +927,8 @@ impl Default for Arc { #[stable(feature = "more_rc_default_impls", since = "CURRENT_RUSTC_VERSION")] impl Default for Rc { /// Creates an empty CStr inside an Rc + /// + /// This may or may not share an allocation with other Rcs on the same thread. #[inline] fn default() -> Self { let c_str: &CStr = Default::default(); diff --git a/library/alloc/src/rc.rs b/library/alloc/src/rc.rs index 206489876e3f..dddd0603a150 100644 --- a/library/alloc/src/rc.rs +++ b/library/alloc/src/rc.rs @@ -2228,6 +2228,8 @@ impl Default for Rc { #[stable(feature = "more_rc_default_impls", since = "CURRENT_RUSTC_VERSION")] impl Default for Rc { /// Creates an empty str inside an Rc + /// + /// This may or may not share an allocation with other Rcs on the same thread. #[inline] fn default() -> Self { Rc::from("") @@ -2238,6 +2240,8 @@ impl Default for Rc { #[stable(feature = "more_rc_default_impls", since = "CURRENT_RUSTC_VERSION")] impl Default for Rc<[T]> { /// Creates an empty `[T]` inside an Rc + /// + /// This may or may not share an allocation with other Rcs on the same thread. #[inline] fn default() -> Self { let arr: [T; 0] = []; diff --git a/library/alloc/src/sync.rs b/library/alloc/src/sync.rs index 5f6ce80e1942..f06994f7c40d 100644 --- a/library/alloc/src/sync.rs +++ b/library/alloc/src/sync.rs @@ -3304,6 +3304,8 @@ impl Default for Arc { #[stable(feature = "more_rc_default_impls", since = "CURRENT_RUSTC_VERSION")] impl Default for Arc { /// Creates an empty str inside an Arc + /// + /// This may or may not share an allocation with other Arcs. #[inline] fn default() -> Self { Arc::from("") @@ -3314,6 +3316,8 @@ impl Default for Arc { #[stable(feature = "more_rc_default_impls", since = "CURRENT_RUSTC_VERSION")] impl Default for Arc<[T]> { /// Creates an empty `[T]` inside an Arc + /// + /// This may or may not share an allocation with other Arcs. #[inline] fn default() -> Self { let arr: [T; 0] = []; From f27d1e114c70ff4aca98f3afc2d432b1169b3465 Mon Sep 17 00:00:00 2001 From: Zachary S Date: Sat, 11 May 2024 09:54:32 -0500 Subject: [PATCH 0116/1716] Use shared statics for the ArcInner for Arc::default, and for Arc<[T]>::default where alignof(T) <= 16. --- library/alloc/src/ffi/c_str.rs | 13 --------- library/alloc/src/sync.rs | 52 +++++++++++++++++++++++++++++++++- 2 files changed, 51 insertions(+), 14 deletions(-) diff --git a/library/alloc/src/ffi/c_str.rs b/library/alloc/src/ffi/c_str.rs index 3b56a5717e24..b13af93d06c5 100644 --- a/library/alloc/src/ffi/c_str.rs +++ b/library/alloc/src/ffi/c_str.rs @@ -910,19 +910,6 @@ impl From<&CStr> for Rc { } } -#[cfg(not(no_global_oom_handling))] -#[stable(feature = "more_rc_default_impls", since = "CURRENT_RUSTC_VERSION")] -impl Default for Arc { - /// Creates an empty CStr inside an Arc - /// - /// This may or may not share an allocation with other Arcs. - #[inline] - fn default() -> Self { - let c_str: &CStr = Default::default(); - Arc::from(c_str) - } -} - #[cfg(not(no_global_oom_handling))] #[stable(feature = "more_rc_default_impls", since = "CURRENT_RUSTC_VERSION")] impl Default for Rc { diff --git a/library/alloc/src/sync.rs b/library/alloc/src/sync.rs index f06994f7c40d..a925b544bc2c 100644 --- a/library/alloc/src/sync.rs +++ b/library/alloc/src/sync.rs @@ -3308,7 +3308,32 @@ impl Default for Arc { /// This may or may not share an allocation with other Arcs. #[inline] fn default() -> Self { - Arc::from("") + let arc: Arc<[u8]> = Default::default(); + debug_assert!(core::str::from_utf8(&*arc).is_ok()); + let (ptr, alloc) = Arc::into_inner_with_allocator(arc); + unsafe { Arc::from_ptr_in(ptr.as_ptr() as *mut ArcInner, alloc) } + } +} + +#[cfg(not(no_global_oom_handling))] +#[stable(feature = "more_rc_default_impls", since = "CURRENT_RUSTC_VERSION")] +impl Default for Arc { + /// Creates an empty CStr inside an Arc + /// + /// This may or may not share an allocation with other Arcs. + #[inline] + fn default() -> Self { + use core::ffi::CStr; + static STATIC_INNER_CSTR: ArcInner<[u8; 1]> = ArcInner { + strong: atomic::AtomicUsize::new(1), + weak: atomic::AtomicUsize::new(1), + data: [0], + }; + let inner: NonNull> = NonNull::from(&STATIC_INNER_CSTR); + let inner: NonNull> = NonNull::new(inner.as_ptr() as *mut ArcInner).unwrap(); + // `this` semantically is the Arc "owned" by the static, so make sure not to drop it. + let this: mem::ManuallyDrop> = unsafe { mem::ManuallyDrop::new(Arc::from_inner(inner)) }; + (*this).clone() } } @@ -3320,6 +3345,31 @@ impl Default for Arc<[T]> { /// This may or may not share an allocation with other Arcs. #[inline] fn default() -> Self { + let alignment_of_t: usize = mem::align_of::(); + // We only make statics for the lowest five alignments. + // Alignments greater than that will use dynamic allocation. + macro_rules! use_static_inner_for_alignments { + ($($alignment:literal),*) => { + $(if alignment_of_t == $alignment { + // Note: this must be in a new scope because static and type names are unhygenic. + #[repr(align($alignment))] + struct Aligned; + static ALIGNED_STATIC_INNER: ArcInner = ArcInner { + strong: atomic::AtomicUsize::new(1), + weak: atomic::AtomicUsize::new(1), + data: Aligned, + }; + let inner: NonNull> = NonNull::from(&ALIGNED_STATIC_INNER); + let inner: NonNull> = inner.cast(); + // `this` semantically is the Arc "owned" by the static, so make sure not to drop it. + let this: mem::ManuallyDrop> = unsafe { mem::ManuallyDrop::new(Arc::from_inner(inner)) }; + return (*this).clone(); + })* + }; + } + use_static_inner_for_alignments!(1, 2, 4, 8, 16); + + // If T's alignment is not one of the ones we have a static for, make a new unique allocation. let arr: [T; 0] = []; Arc::from(arr) } From a36b94d0887d42b692935c918c8cc869ca6c61b4 Mon Sep 17 00:00:00 2001 From: David Tolnay Date: Sun, 12 May 2024 12:28:10 -0700 Subject: [PATCH 0117/1716] Disallow cast with trailing braced macro in let-else --- compiler/rustc_ast/src/util/classify.rs | 95 ++++++++++++++++++- compiler/rustc_parse/src/parser/stmt.rs | 28 +++--- tests/ui/parser/bad-let-else-statement.rs | 2 +- tests/ui/parser/bad-let-else-statement.stderr | 16 +++- 4 files changed, 124 insertions(+), 17 deletions(-) diff --git a/compiler/rustc_ast/src/util/classify.rs b/compiler/rustc_ast/src/util/classify.rs index f6e9e1a87c4b..382c903625fb 100644 --- a/compiler/rustc_ast/src/util/classify.rs +++ b/compiler/rustc_ast/src/util/classify.rs @@ -81,8 +81,17 @@ pub fn expr_requires_semi_to_be_stmt(e: &ast::Expr) -> bool { } } +pub enum TrailingBrace<'a> { + /// Trailing brace in a macro call, like the one in `x as *const brace! {}`. + /// We will suggest changing the macro call to a different delimiter. + MacCall(&'a ast::MacCall), + /// Trailing brace in any other expression, such as `a + B {}`. We will + /// suggest wrapping the innermost expression in parentheses: `a + (B {})`. + Expr(&'a ast::Expr), +} + /// If an expression ends with `}`, returns the innermost expression ending in the `}` -pub fn expr_trailing_brace(mut expr: &ast::Expr) -> Option<&ast::Expr> { +pub fn expr_trailing_brace(mut expr: &ast::Expr) -> Option> { loop { match &expr.kind { AddrOf(_, _, e) @@ -111,10 +120,14 @@ pub fn expr_trailing_brace(mut expr: &ast::Expr) -> Option<&ast::Expr> { | Struct(..) | TryBlock(..) | While(..) - | ConstBlock(_) => break Some(expr), + | ConstBlock(_) => break Some(TrailingBrace::Expr(expr)), + + Cast(_, ty) => { + break type_trailing_braced_mac_call(ty).map(TrailingBrace::MacCall); + } MacCall(mac) => { - break (mac.args.delim == Delimiter::Brace).then_some(expr); + break (mac.args.delim == Delimiter::Brace).then_some(TrailingBrace::MacCall(mac)); } InlineAsm(_) | OffsetOf(_, _) | IncludedBytes(_) | FormatArgs(_) => { @@ -131,7 +144,6 @@ pub fn expr_trailing_brace(mut expr: &ast::Expr) -> Option<&ast::Expr> { | MethodCall(_) | Tup(_) | Lit(_) - | Cast(_, _) | Type(_, _) | Await(_, _) | Field(_, _) @@ -148,3 +160,78 @@ pub fn expr_trailing_brace(mut expr: &ast::Expr) -> Option<&ast::Expr> { } } } + +/// If the type's last token is `}`, it must be due to a braced macro call, such +/// as in `*const brace! { ... }`. Returns that trailing macro call. +fn type_trailing_braced_mac_call(mut ty: &ast::Ty) -> Option<&ast::MacCall> { + loop { + match &ty.kind { + ast::TyKind::MacCall(mac) => { + break (mac.args.delim == Delimiter::Brace).then_some(mac); + } + + ast::TyKind::Ptr(mut_ty) | ast::TyKind::Ref(_, mut_ty) => { + ty = &mut_ty.ty; + } + + ast::TyKind::BareFn(fn_ty) => match &fn_ty.decl.output { + ast::FnRetTy::Default(_) => break None, + ast::FnRetTy::Ty(ret) => ty = ret, + }, + + ast::TyKind::Path(_, path) => match path_return_type(path) { + Some(trailing_ty) => ty = trailing_ty, + None => break None, + }, + + ast::TyKind::TraitObject(bounds, _) | ast::TyKind::ImplTrait(_, bounds, _) => { + match bounds.last() { + Some(ast::GenericBound::Trait(bound, _)) => { + match path_return_type(&bound.trait_ref.path) { + Some(trailing_ty) => ty = trailing_ty, + None => break None, + } + } + Some(ast::GenericBound::Outlives(_)) | None => break None, + } + } + + ast::TyKind::Slice(..) + | ast::TyKind::Array(..) + | ast::TyKind::Never + | ast::TyKind::Tup(..) + | ast::TyKind::Paren(..) + | ast::TyKind::Typeof(..) + | ast::TyKind::Infer + | ast::TyKind::ImplicitSelf + | ast::TyKind::CVarArgs + | ast::TyKind::Pat(..) + | ast::TyKind::Dummy + | ast::TyKind::Err(..) => break None, + + // These end in brace, but cannot occur in a let-else statement. + // They are only parsed as fields of a data structure. For the + // purpose of denying trailing braces in the expression of a + // let-else, we can disregard these. + ast::TyKind::AnonStruct(..) | ast::TyKind::AnonUnion(..) => break None, + } + } +} + +/// Returns the trailing return type in the given path, if it has one. +/// +/// ```ignore (illustrative) +/// ::std::ops::FnOnce(&str) -> fn() -> *const c_void +/// ^^^^^^^^^^^^^^^^^^^^^ +/// ``` +fn path_return_type(path: &ast::Path) -> Option<&ast::Ty> { + let last_segment = path.segments.last()?; + let args = last_segment.args.as_ref()?; + match &**args { + ast::GenericArgs::Parenthesized(args) => match &args.output { + ast::FnRetTy::Default(_) => None, + ast::FnRetTy::Ty(ret) => Some(ret), + }, + ast::GenericArgs::AngleBracketed(_) => None, + } +} diff --git a/compiler/rustc_parse/src/parser/stmt.rs b/compiler/rustc_parse/src/parser/stmt.rs index d70afebf1b2d..941b145e2dba 100644 --- a/compiler/rustc_parse/src/parser/stmt.rs +++ b/compiler/rustc_parse/src/parser/stmt.rs @@ -15,7 +15,7 @@ use ast::Label; use rustc_ast as ast; use rustc_ast::ptr::P; use rustc_ast::token::{self, Delimiter, TokenKind}; -use rustc_ast::util::classify; +use rustc_ast::util::classify::{self, TrailingBrace}; use rustc_ast::{AttrStyle, AttrVec, LocalKind, MacCall, MacCallStmt, MacStmtStyle}; use rustc_ast::{Block, BlockCheckMode, Expr, ExprKind, HasAttrs, Local, Recovered, Stmt}; use rustc_ast::{StmtKind, DUMMY_NODE_ID}; @@ -407,18 +407,24 @@ impl<'a> Parser<'a> { fn check_let_else_init_trailing_brace(&self, init: &ast::Expr) { if let Some(trailing) = classify::expr_trailing_brace(init) { - let sugg = match &trailing.kind { - ExprKind::MacCall(mac) => errors::WrapInParentheses::MacroArgs { - left: mac.args.dspan.open, - right: mac.args.dspan.close, - }, - _ => errors::WrapInParentheses::Expression { - left: trailing.span.shrink_to_lo(), - right: trailing.span.shrink_to_hi(), - }, + let (span, sugg) = match trailing { + TrailingBrace::MacCall(mac) => ( + mac.span(), + errors::WrapInParentheses::MacroArgs { + left: mac.args.dspan.open, + right: mac.args.dspan.close, + }, + ), + TrailingBrace::Expr(expr) => ( + expr.span, + errors::WrapInParentheses::Expression { + left: expr.span.shrink_to_lo(), + right: expr.span.shrink_to_hi(), + }, + ), }; self.dcx().emit_err(errors::InvalidCurlyInLetElse { - span: trailing.span.with_lo(trailing.span.hi() - BytePos(1)), + span: span.with_lo(span.hi() - BytePos(1)), sugg, }); } diff --git a/tests/ui/parser/bad-let-else-statement.rs b/tests/ui/parser/bad-let-else-statement.rs index 2dce9ed24d2d..ff6619cbc986 100644 --- a/tests/ui/parser/bad-let-else-statement.rs +++ b/tests/ui/parser/bad-let-else-statement.rs @@ -205,7 +205,7 @@ fn t() { //~^ WARN irrefutable `let...else` pattern 8 } else { - // FIXME: right curly brace `}` before `else` in a `let...else` statement not allowed + //~^ ERROR right curly brace `}` before `else` in a `let...else` statement not allowed return; }; } diff --git a/tests/ui/parser/bad-let-else-statement.stderr b/tests/ui/parser/bad-let-else-statement.stderr index 76097aaca832..0bf6a346dfb1 100644 --- a/tests/ui/parser/bad-let-else-statement.stderr +++ b/tests/ui/parser/bad-let-else-statement.stderr @@ -241,6 +241,20 @@ help: use parentheses instead of braces for this macro LL | let bad = format_args! ("") else { return; }; | ~ ~ +error: right curly brace `}` before `else` in a `let...else` statement not allowed + --> $DIR/bad-let-else-statement.rs:207:5 + | +LL | } else { + | ^ + | +help: use parentheses instead of braces for this macro + | +LL ~ let foo = &std::ptr::null as &'static dyn std::ops::Fn() -> *const primitive! ( +LL | +LL | 8 +LL ~ ) else { + | + error: right curly brace `}` before `else` in a `let...else` statement not allowed --> $DIR/bad-let-else-statement.rs:190:25 | @@ -311,5 +325,5 @@ LL | | } else { = note: this pattern will always match, so the `else` clause is useless = help: consider removing the `else` clause -error: aborting due to 19 previous errors; 5 warnings emitted +error: aborting due to 20 previous errors; 5 warnings emitted From 5c33a5690de89587b645fb0e7b657fe545e4d0e8 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Thu, 9 May 2024 12:35:11 +0200 Subject: [PATCH 0118/1716] offset, offset_from: allow zero-byte offset on arbitrary pointers --- .../src/const_eval/machine.rs | 20 +++++-- .../src/interpret/intrinsics.rs | 1 + .../rustc_const_eval/src/interpret/memory.rs | 39 ++++++------ .../src/interpret/validity.rs | 11 +++- library/core/src/intrinsics.rs | 8 +-- library/core/src/ptr/const_ptr.rs | 23 ++++---- library/core/src/ptr/mod.rs | 11 +--- library/core/src/ptr/mut_ptr.rs | 23 ++++---- .../dangling_pointers/dangling_zst_deref.rs | 10 ---- .../dangling_zst_deref.stderr | 25 -------- .../maybe_null_pointer_deref_zst.rs | 5 -- .../maybe_null_pointer_deref_zst.stderr | 15 ----- .../maybe_null_pointer_write_zst.rs | 8 --- .../maybe_null_pointer_write_zst.stderr | 15 ----- .../null_pointer_deref_zst.rs | 5 -- .../null_pointer_deref_zst.stderr | 15 ----- .../null_pointer_write_zst.rs | 8 --- .../null_pointer_write_zst.stderr | 15 ----- .../miri/tests/fail/intrinsics/copy_null.rs | 15 ----- .../tests/fail/intrinsics/copy_null.stderr | 15 ----- .../fail/intrinsics/ptr_offset_0_plus_0.rs | 9 --- .../intrinsics/ptr_offset_0_plus_0.stderr | 15 ----- .../fail/intrinsics/ptr_offset_from_oob.rs | 7 --- .../intrinsics/ptr_offset_from_oob.stderr | 15 ----- .../fail/intrinsics/ptr_offset_ptr_plus_0.rs | 7 --- .../intrinsics/ptr_offset_ptr_plus_0.stderr | 20 ------- .../tests/fail/intrinsics/write_bytes_null.rs | 10 ---- .../fail/intrinsics/write_bytes_null.stderr | 15 ----- src/tools/miri/tests/fail/zst2.rs | 12 ---- src/tools/miri/tests/fail/zst2.stderr | 25 -------- src/tools/miri/tests/fail/zst3.rs | 15 ----- src/tools/miri/tests/fail/zst3.stderr | 20 ------- .../tests/fail/{zst1.rs => zst_local_oob.rs} | 0 .../{zst1.stderr => zst_local_oob.stderr} | 4 +- .../miri/tests/pass/align_offset_symbolic.rs | 7 +-- .../pass/zero-sized-accesses-and-offsets.rs | 59 +++++++++++++++++++ tests/ui/const-ptr/forbidden_slices.rs | 7 ++- tests/ui/const-ptr/forbidden_slices.stderr | 42 ++++++------- tests/ui/consts/const-compare-bytes-ub.rs | 4 +- tests/ui/consts/const-compare-bytes-ub.stderr | 6 +- tests/ui/consts/copy-intrinsic.rs | 16 +++-- tests/ui/consts/copy-intrinsic.stderr | 16 ++--- tests/ui/consts/dangling-alloc-id-ice.rs | 2 +- tests/ui/consts/dangling-alloc-id-ice.stderr | 10 +--- tests/ui/consts/offset_from_ub.rs | 8 +-- tests/ui/consts/offset_from_ub.stderr | 14 +---- tests/ui/consts/offset_ub.rs | 6 +- tests/ui/consts/offset_ub.stderr | 17 +----- 48 files changed, 200 insertions(+), 475 deletions(-) delete mode 100644 src/tools/miri/tests/fail/dangling_pointers/dangling_zst_deref.rs delete mode 100644 src/tools/miri/tests/fail/dangling_pointers/dangling_zst_deref.stderr delete mode 100644 src/tools/miri/tests/fail/dangling_pointers/maybe_null_pointer_deref_zst.rs delete mode 100644 src/tools/miri/tests/fail/dangling_pointers/maybe_null_pointer_deref_zst.stderr delete mode 100644 src/tools/miri/tests/fail/dangling_pointers/maybe_null_pointer_write_zst.rs delete mode 100644 src/tools/miri/tests/fail/dangling_pointers/maybe_null_pointer_write_zst.stderr delete mode 100644 src/tools/miri/tests/fail/dangling_pointers/null_pointer_deref_zst.rs delete mode 100644 src/tools/miri/tests/fail/dangling_pointers/null_pointer_deref_zst.stderr delete mode 100644 src/tools/miri/tests/fail/dangling_pointers/null_pointer_write_zst.rs delete mode 100644 src/tools/miri/tests/fail/dangling_pointers/null_pointer_write_zst.stderr delete mode 100644 src/tools/miri/tests/fail/intrinsics/copy_null.rs delete mode 100644 src/tools/miri/tests/fail/intrinsics/copy_null.stderr delete mode 100644 src/tools/miri/tests/fail/intrinsics/ptr_offset_0_plus_0.rs delete mode 100644 src/tools/miri/tests/fail/intrinsics/ptr_offset_0_plus_0.stderr delete mode 100644 src/tools/miri/tests/fail/intrinsics/ptr_offset_from_oob.rs delete mode 100644 src/tools/miri/tests/fail/intrinsics/ptr_offset_from_oob.stderr delete mode 100644 src/tools/miri/tests/fail/intrinsics/ptr_offset_ptr_plus_0.rs delete mode 100644 src/tools/miri/tests/fail/intrinsics/ptr_offset_ptr_plus_0.stderr delete mode 100644 src/tools/miri/tests/fail/intrinsics/write_bytes_null.rs delete mode 100644 src/tools/miri/tests/fail/intrinsics/write_bytes_null.stderr delete mode 100644 src/tools/miri/tests/fail/zst2.rs delete mode 100644 src/tools/miri/tests/fail/zst2.stderr delete mode 100644 src/tools/miri/tests/fail/zst3.rs delete mode 100644 src/tools/miri/tests/fail/zst3.stderr rename src/tools/miri/tests/fail/{zst1.rs => zst_local_oob.rs} (100%) rename src/tools/miri/tests/fail/{zst1.stderr => zst_local_oob.stderr} (88%) create mode 100644 src/tools/miri/tests/pass/zero-sized-accesses-and-offsets.rs diff --git a/compiler/rustc_const_eval/src/const_eval/machine.rs b/compiler/rustc_const_eval/src/const_eval/machine.rs index 836e548ae2b7..310fd462d5f8 100644 --- a/compiler/rustc_const_eval/src/const_eval/machine.rs +++ b/compiler/rustc_const_eval/src/const_eval/machine.rs @@ -25,9 +25,9 @@ use rustc_target::spec::abi::Abi as CallAbi; use crate::errors::{LongRunning, LongRunningWarn}; use crate::fluent_generated as fluent; use crate::interpret::{ - self, compile_time_machine, err_ub, throw_exhaust, throw_inval, throw_ub_custom, + self, compile_time_machine, err_ub, throw_exhaust, throw_inval, throw_ub_custom, throw_unsup, throw_unsup_format, AllocId, AllocRange, ConstAllocation, CtfeProvenance, FnArg, FnVal, Frame, - ImmTy, InterpCx, InterpResult, MPlaceTy, OpTy, Pointer, PointerArithmetic, Scalar, + GlobalAlloc, ImmTy, InterpCx, InterpResult, MPlaceTy, OpTy, Pointer, PointerArithmetic, Scalar, }; use super::error::*; @@ -759,11 +759,21 @@ impl<'mir, 'tcx> interpret::Machine<'mir, 'tcx> for CompileTimeInterpreter<'mir, ecx: &InterpCx<'mir, 'tcx, Self>, alloc_id: AllocId, ) -> InterpResult<'tcx> { + // Check if this is the currently evaluated static. if Some(alloc_id) == ecx.machine.static_root_ids.map(|(id, _)| id) { - Err(ConstEvalErrKind::RecursiveStatic.into()) - } else { - Ok(()) + return Err(ConstEvalErrKind::RecursiveStatic.into()); } + // If this is another static, make sure we fire off the query to detect cycles. + // But only do that when checks for static recursion are enabled. + if ecx.machine.static_root_ids.is_some() { + if let Some(GlobalAlloc::Static(def_id)) = ecx.tcx.try_get_global_alloc(alloc_id) { + if ecx.tcx.is_foreign_item(def_id) { + throw_unsup!(ExternStatic(def_id)); + } + ecx.ctfe_query(|tcx| tcx.eval_static_initializer(def_id))?; + } + } + Ok(()) } } diff --git a/compiler/rustc_const_eval/src/interpret/intrinsics.rs b/compiler/rustc_const_eval/src/interpret/intrinsics.rs index dce4d56f7e00..72dad562695e 100644 --- a/compiler/rustc_const_eval/src/interpret/intrinsics.rs +++ b/compiler/rustc_const_eval/src/interpret/intrinsics.rs @@ -255,6 +255,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { name = intrinsic_name, ); } + // This will always return 0. (a, b) } (Err(_), _) | (_, Err(_)) => { diff --git a/compiler/rustc_const_eval/src/interpret/memory.rs b/compiler/rustc_const_eval/src/interpret/memory.rs index 350fd480fbaa..737f2fd8bb98 100644 --- a/compiler/rustc_const_eval/src/interpret/memory.rs +++ b/compiler/rustc_const_eval/src/interpret/memory.rs @@ -413,6 +413,8 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { /// to the allocation it points to. Supports both shared and mutable references, as the actual /// checking is offloaded to a helper closure. /// + /// `alloc_size` will only get called for non-zero-sized accesses. + /// /// Returns `None` if and only if the size is 0. fn check_and_deref_ptr( &self, @@ -425,18 +427,19 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { M::ProvenanceExtra, ) -> InterpResult<'tcx, (Size, Align, T)>, ) -> InterpResult<'tcx, Option> { + // Everything is okay with size 0. + if size.bytes() == 0 { + return Ok(None); + } + Ok(match self.ptr_try_get_alloc_id(ptr) { Err(addr) => { - // We couldn't get a proper allocation. This is only okay if the access size is 0, - // and the address is not null. - if size.bytes() > 0 || addr == 0 { - throw_ub!(DanglingIntPointer(addr, msg)); - } - None + // We couldn't get a proper allocation. + throw_ub!(DanglingIntPointer(addr, msg)); } Ok((alloc_id, offset, prov)) => { let (alloc_size, _alloc_align, ret_val) = alloc_size(alloc_id, offset, prov)?; - // Test bounds. This also ensures non-null. + // Test bounds. // It is sufficient to check this for the end pointer. Also check for overflow! if offset.checked_add(size, &self.tcx).map_or(true, |end| end > alloc_size) { throw_ub!(PointerOutOfBounds { @@ -447,14 +450,8 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { msg, }) } - // Ensure we never consider the null pointer dereferenceable. - if M::Provenance::OFFSET_IS_ADDR { - assert_ne!(ptr.addr(), Size::ZERO); - } - // We can still be zero-sized in this branch, in which case we have to - // return `None`. - if size.bytes() == 0 { None } else { Some(ret_val) } + Some(ret_val) } }) } @@ -641,16 +638,18 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { size, CheckInAllocMsg::MemoryAccessTest, |alloc_id, offset, prov| { - if !self.memory.validation_in_progress.get() { - // We want to call the hook on *all* accesses that involve an AllocId, - // including zero-sized accesses. That means we have to do it here - // rather than below in the `Some` branch. - M::before_alloc_read(self, alloc_id)?; - } let alloc = self.get_alloc_raw(alloc_id)?; Ok((alloc.size(), alloc.align, (alloc_id, offset, prov, alloc))) }, )?; + // We want to call the hook on *all* accesses that involve an AllocId, including zero-sized + // accesses. That means we cannot rely on the closure above or the `Some` branch below. We + // do this after `check_and_deref_ptr` to ensure some basic sanity has already been checked. + if !self.memory.validation_in_progress.get() { + if let Ok((alloc_id, ..)) = self.ptr_try_get_alloc_id(ptr) { + M::before_alloc_read(self, alloc_id)?; + } + } if let Some((alloc_id, offset, prov, alloc)) = ptr_and_alloc { let range = alloc_range(offset, size); diff --git a/compiler/rustc_const_eval/src/interpret/validity.rs b/compiler/rustc_const_eval/src/interpret/validity.rs index 2bd4d9dc07a5..a47828bb63c2 100644 --- a/compiler/rustc_const_eval/src/interpret/validity.rs +++ b/compiler/rustc_const_eval/src/interpret/validity.rs @@ -434,6 +434,10 @@ impl<'rt, 'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> ValidityVisitor<'rt, 'mir, ' found_bytes: has.bytes() }, ); + // Make sure this is non-null. (ZST references can be dereferenceable and null.) + if self.ecx.scalar_may_be_null(Scalar::from_maybe_pointer(place.ptr(), self.ecx))? { + throw_validation_failure!(self.path, NullPtr { ptr_kind }) + } // Do not allow pointers to uninhabited types. if place.layout.abi.is_uninhabited() { let ty = place.layout.ty; @@ -456,8 +460,8 @@ impl<'rt, 'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> ValidityVisitor<'rt, 'mir, ' // `!` is a ZST and we want to validate it. if let Ok((alloc_id, _offset, _prov)) = self.ecx.ptr_try_get_alloc_id(place.ptr()) { let mut skip_recursive_check = false; - let alloc_actual_mutbl = mutability(self.ecx, alloc_id); - if let GlobalAlloc::Static(did) = self.ecx.tcx.global_alloc(alloc_id) { + if let Some(GlobalAlloc::Static(did)) = self.ecx.tcx.try_get_global_alloc(alloc_id) + { let DefKind::Static { nested, .. } = self.ecx.tcx.def_kind(did) else { bug!() }; // Special handling for pointers to statics (irrespective of their type). assert!(!self.ecx.tcx.is_thread_local_static(did)); @@ -495,6 +499,7 @@ impl<'rt, 'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> ValidityVisitor<'rt, 'mir, ' // If this allocation has size zero, there is no actual mutability here. let (size, _align, _alloc_kind) = self.ecx.get_alloc_info(alloc_id); if size != Size::ZERO { + let alloc_actual_mutbl = mutability(self.ecx, alloc_id); // Mutable pointer to immutable memory is no good. if ptr_expected_mutbl == Mutability::Mut && alloc_actual_mutbl == Mutability::Not @@ -831,6 +836,8 @@ impl<'rt, 'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> ValueVisitor<'mir, 'tcx, M> trace!("visit_value: {:?}, {:?}", *op, op.layout); // Check primitive types -- the leaves of our recursive descent. + // We assume that the Scalar validity range does not restrict these values + // any further than `try_visit_primitive` does! if self.try_visit_primitive(op)? { return Ok(()); } diff --git a/library/core/src/intrinsics.rs b/library/core/src/intrinsics.rs index d1450bf12ce7..90a7e2bf382e 100644 --- a/library/core/src/intrinsics.rs +++ b/library/core/src/intrinsics.rs @@ -1483,10 +1483,10 @@ extern "rust-intrinsic" { /// /// # Safety /// - /// Both the starting and resulting pointer must be either in bounds or one - /// byte past the end of an allocated object. If either pointer is out of - /// bounds or arithmetic overflow occurs then any further use of the - /// returned value will result in undefined behavior. + /// If the computed offset is non-zero, then both the starting and resulting pointer must be + /// either in bounds or one byte past the end of an allocated object. If either pointer is out + /// of bounds or arithmetic overflow occurs then any further use of the returned value will + /// result in undefined behavior. /// /// The stabilized version of this intrinsic is [`pointer::offset`]. #[must_use = "returns a new pointer rather than modifying its argument"] diff --git a/library/core/src/ptr/const_ptr.rs b/library/core/src/ptr/const_ptr.rs index 73bb256518d8..27b0c69d32d0 100644 --- a/library/core/src/ptr/const_ptr.rs +++ b/library/core/src/ptr/const_ptr.rs @@ -465,8 +465,9 @@ impl *const T { /// If any of the following conditions are violated, the result is Undefined /// Behavior: /// - /// * Both the starting and resulting pointer must be either in bounds or one - /// byte past the end of the same [allocated object]. + /// * If the computed offset is non-zero, then both the starting and resulting pointer must be + /// either in bounds or one byte past the end of the same [allocated object]. + /// (If it is zero, then the function is always well-defined.) /// /// * The computed offset, **in bytes**, cannot overflow an `isize`. /// @@ -676,11 +677,11 @@ impl *const T { /// If any of the following conditions are violated, the result is Undefined /// Behavior: /// - /// * Both `self` and `origin` must be either in bounds or one - /// byte past the end of the same [allocated object]. + /// * `self` and `origin` must either /// - /// * Both pointers must be *derived from* a pointer to the same object. - /// (See below for an example.) + /// * both be *derived from* a pointer to the same [allocated object], and the memory range between + /// the two pointers must be either empty or in bounds of that object. (See below for an example.) + /// * or both be derived from an integer literal/constant, and point to the same address. /// /// * The distance between the pointers, in bytes, must be an exact multiple /// of the size of `T`. @@ -951,8 +952,9 @@ impl *const T { /// If any of the following conditions are violated, the result is Undefined /// Behavior: /// - /// * Both the starting and resulting pointer must be either in bounds or one - /// byte past the end of the same [allocated object]. + /// * If the computed offset is non-zero, then both the starting and resulting pointer must be + /// either in bounds or one byte past the end of the same [allocated object]. + /// (If it is zero, then the function is always well-defined.) /// /// * The computed offset, **in bytes**, cannot overflow an `isize`. /// @@ -1035,8 +1037,9 @@ impl *const T { /// If any of the following conditions are violated, the result is Undefined /// Behavior: /// - /// * Both the starting and resulting pointer must be either in bounds or one - /// byte past the end of the same [allocated object]. + /// * If the computed offset is non-zero, then both the starting and resulting pointer must be + /// either in bounds or one byte past the end of the same [allocated object]. + /// (If it is zero, then the function is always well-defined.) /// /// * The computed offset cannot exceed `isize::MAX` **bytes**. /// diff --git a/library/core/src/ptr/mod.rs b/library/core/src/ptr/mod.rs index 8d7192c1b0fd..e75f62c53c11 100644 --- a/library/core/src/ptr/mod.rs +++ b/library/core/src/ptr/mod.rs @@ -15,18 +15,13 @@ //! The precise rules for validity are not determined yet. The guarantees that are //! provided at this point are very minimal: //! -//! * A [null] pointer is *never* valid, not even for accesses of [size zero][zst]. +//! * For operations of [size zero][zst], *every* pointer is valid, including the [null] pointer. +//! The following points are only concerned with non-zero-sized accesses. +//! * A [null] pointer is *never* valid. //! * For a pointer to be valid, it is necessary, but not always sufficient, that the pointer //! be *dereferenceable*: the memory range of the given size starting at the pointer must all be //! within the bounds of a single allocated object. Note that in Rust, //! every (stack-allocated) variable is considered a separate allocated object. -//! * Even for operations of [size zero][zst], the pointer must not be pointing to deallocated -//! memory, i.e., deallocation makes pointers invalid even for zero-sized operations. However, -//! casting any non-zero integer *literal* to a pointer is valid for zero-sized accesses, even if -//! some memory happens to exist at that address and gets deallocated. This corresponds to writing -//! your own allocator: allocating zero-sized objects is not very hard. The canonical way to -//! obtain a pointer that is valid for zero-sized accesses is [`NonNull::dangling`]. -//FIXME: mention `ptr::dangling` above, once it is stable. //! * All accesses performed by functions in this module are *non-atomic* in the sense //! of [atomic operations] used to synchronize between threads. This means it is //! undefined behavior to perform two concurrent accesses to the same location from different diff --git a/library/core/src/ptr/mut_ptr.rs b/library/core/src/ptr/mut_ptr.rs index b67930503e01..3d05715f7a46 100644 --- a/library/core/src/ptr/mut_ptr.rs +++ b/library/core/src/ptr/mut_ptr.rs @@ -480,8 +480,9 @@ impl *mut T { /// If any of the following conditions are violated, the result is Undefined /// Behavior: /// - /// * Both the starting and resulting pointer must be either in bounds or one - /// byte past the end of the same [allocated object]. + /// * If the computed offset is non-zero, then both the starting and resulting pointer must be + /// either in bounds or one byte past the end of the same [allocated object]. + /// (If it is zero, then the function is always well-defined.) /// /// * The computed offset, **in bytes**, cannot overflow an `isize`. /// @@ -904,11 +905,11 @@ impl *mut T { /// If any of the following conditions are violated, the result is Undefined /// Behavior: /// - /// * Both `self` and `origin` must be either in bounds or one - /// byte past the end of the same [allocated object]. + /// * `self` and `origin` must either /// - /// * Both pointers must be *derived from* a pointer to the same object. - /// (See below for an example.) + /// * both be *derived from* a pointer to the same [allocated object], and the memory range between + /// the two pointers must be either empty or in bounds of that object. (See below for an example.) + /// * or both be derived from an integer literal/constant, and point to the same address. /// /// * The distance between the pointers, in bytes, must be an exact multiple /// of the size of `T`. @@ -1095,8 +1096,9 @@ impl *mut T { /// If any of the following conditions are violated, the result is Undefined /// Behavior: /// - /// * Both the starting and resulting pointer must be either in bounds or one - /// byte past the end of the same [allocated object]. + /// * If the computed offset is non-zero, then both the starting and resulting pointer must be + /// either in bounds or one byte past the end of the same [allocated object]. + /// (If it is zero, then the function is always well-defined.) /// /// * The computed offset, **in bytes**, cannot overflow an `isize`. /// @@ -1179,8 +1181,9 @@ impl *mut T { /// If any of the following conditions are violated, the result is Undefined /// Behavior: /// - /// * Both the starting and resulting pointer must be either in bounds or one - /// byte past the end of the same [allocated object]. + /// * If the computed offset is non-zero, then both the starting and resulting pointer must be + /// either in bounds or one byte past the end of the same [allocated object]. + /// (If it is zero, then the function is always well-defined.) /// /// * The computed offset cannot exceed `isize::MAX` **bytes**. /// diff --git a/src/tools/miri/tests/fail/dangling_pointers/dangling_zst_deref.rs b/src/tools/miri/tests/fail/dangling_pointers/dangling_zst_deref.rs deleted file mode 100644 index a1fefe04ab69..000000000000 --- a/src/tools/miri/tests/fail/dangling_pointers/dangling_zst_deref.rs +++ /dev/null @@ -1,10 +0,0 @@ -// Make sure we find these even with many checks disabled. -//@compile-flags: -Zmiri-disable-alignment-check -Zmiri-disable-stacked-borrows -Zmiri-disable-validation - -fn main() { - let p = { - let b = Box::new(42); - &*b as *const i32 as *const () - }; - let _x = unsafe { *p }; //~ ERROR: has been freed -} diff --git a/src/tools/miri/tests/fail/dangling_pointers/dangling_zst_deref.stderr b/src/tools/miri/tests/fail/dangling_pointers/dangling_zst_deref.stderr deleted file mode 100644 index 72b9a4a2d6ca..000000000000 --- a/src/tools/miri/tests/fail/dangling_pointers/dangling_zst_deref.stderr +++ /dev/null @@ -1,25 +0,0 @@ -error: Undefined Behavior: memory access failed: ALLOC has been freed, so this pointer is dangling - --> $DIR/dangling_zst_deref.rs:LL:CC - | -LL | let _x = unsafe { *p }; - | ^^ memory access failed: ALLOC has been freed, so this pointer is dangling - | - = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior - = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information -help: ALLOC was allocated here: - --> $DIR/dangling_zst_deref.rs:LL:CC - | -LL | let b = Box::new(42); - | ^^^^^^^^^^^^ -help: ALLOC was deallocated here: - --> $DIR/dangling_zst_deref.rs:LL:CC - | -LL | }; - | ^ - = note: BACKTRACE (of the first span): - = note: inside `main` at $DIR/dangling_zst_deref.rs:LL:CC - -note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace - -error: aborting due to 1 previous error - diff --git a/src/tools/miri/tests/fail/dangling_pointers/maybe_null_pointer_deref_zst.rs b/src/tools/miri/tests/fail/dangling_pointers/maybe_null_pointer_deref_zst.rs deleted file mode 100644 index 73d0b1206801..000000000000 --- a/src/tools/miri/tests/fail/dangling_pointers/maybe_null_pointer_deref_zst.rs +++ /dev/null @@ -1,5 +0,0 @@ -fn main() { - // This pointer *could* be NULL so we cannot load from it, not even at ZST - let ptr = (&0u8 as *const u8).wrapping_sub(0x800) as *const (); - let _x: () = unsafe { *ptr }; //~ ERROR: out-of-bounds -} diff --git a/src/tools/miri/tests/fail/dangling_pointers/maybe_null_pointer_deref_zst.stderr b/src/tools/miri/tests/fail/dangling_pointers/maybe_null_pointer_deref_zst.stderr deleted file mode 100644 index 13c53e20b8a6..000000000000 --- a/src/tools/miri/tests/fail/dangling_pointers/maybe_null_pointer_deref_zst.stderr +++ /dev/null @@ -1,15 +0,0 @@ -error: Undefined Behavior: memory access failed: ALLOC has size 1, so pointer at offset -2048 is out-of-bounds - --> $DIR/maybe_null_pointer_deref_zst.rs:LL:CC - | -LL | let _x: () = unsafe { *ptr }; - | ^^^^ memory access failed: ALLOC has size 1, so pointer at offset -2048 is out-of-bounds - | - = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior - = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information - = note: BACKTRACE: - = note: inside `main` at $DIR/maybe_null_pointer_deref_zst.rs:LL:CC - -note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace - -error: aborting due to 1 previous error - diff --git a/src/tools/miri/tests/fail/dangling_pointers/maybe_null_pointer_write_zst.rs b/src/tools/miri/tests/fail/dangling_pointers/maybe_null_pointer_write_zst.rs deleted file mode 100644 index 5537207ae424..000000000000 --- a/src/tools/miri/tests/fail/dangling_pointers/maybe_null_pointer_write_zst.rs +++ /dev/null @@ -1,8 +0,0 @@ -fn main() { - // This pointer *could* be NULL so we cannot load from it, not even at ZST. - // Not using the () type here, as writes of that type do not even have MIR generated. - // Also not assigning directly as that's array initialization, not assignment. - let zst_val = [1u8; 0]; - let ptr = (&0u8 as *const u8).wrapping_sub(0x800) as *mut [u8; 0]; - unsafe { *ptr = zst_val }; //~ ERROR: out-of-bounds -} diff --git a/src/tools/miri/tests/fail/dangling_pointers/maybe_null_pointer_write_zst.stderr b/src/tools/miri/tests/fail/dangling_pointers/maybe_null_pointer_write_zst.stderr deleted file mode 100644 index e4e23e8ace1c..000000000000 --- a/src/tools/miri/tests/fail/dangling_pointers/maybe_null_pointer_write_zst.stderr +++ /dev/null @@ -1,15 +0,0 @@ -error: Undefined Behavior: memory access failed: ALLOC has size 1, so pointer at offset -2048 is out-of-bounds - --> $DIR/maybe_null_pointer_write_zst.rs:LL:CC - | -LL | unsafe { *ptr = zst_val }; - | ^^^^^^^^^^^^^^ memory access failed: ALLOC has size 1, so pointer at offset -2048 is out-of-bounds - | - = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior - = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information - = note: BACKTRACE: - = note: inside `main` at $DIR/maybe_null_pointer_write_zst.rs:LL:CC - -note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace - -error: aborting due to 1 previous error - diff --git a/src/tools/miri/tests/fail/dangling_pointers/null_pointer_deref_zst.rs b/src/tools/miri/tests/fail/dangling_pointers/null_pointer_deref_zst.rs deleted file mode 100644 index f8af43ff3529..000000000000 --- a/src/tools/miri/tests/fail/dangling_pointers/null_pointer_deref_zst.rs +++ /dev/null @@ -1,5 +0,0 @@ -#[allow(deref_nullptr)] -fn main() { - let x: () = unsafe { *std::ptr::null() }; //~ ERROR: memory access failed: null pointer is a dangling pointer - panic!("this should never print: {:?}", x); -} diff --git a/src/tools/miri/tests/fail/dangling_pointers/null_pointer_deref_zst.stderr b/src/tools/miri/tests/fail/dangling_pointers/null_pointer_deref_zst.stderr deleted file mode 100644 index 1a8794f3ceb7..000000000000 --- a/src/tools/miri/tests/fail/dangling_pointers/null_pointer_deref_zst.stderr +++ /dev/null @@ -1,15 +0,0 @@ -error: Undefined Behavior: memory access failed: null pointer is a dangling pointer (it has no provenance) - --> $DIR/null_pointer_deref_zst.rs:LL:CC - | -LL | let x: () = unsafe { *std::ptr::null() }; - | ^^^^^^^^^^^^^^^^^ memory access failed: null pointer is a dangling pointer (it has no provenance) - | - = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior - = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information - = note: BACKTRACE: - = note: inside `main` at $DIR/null_pointer_deref_zst.rs:LL:CC - -note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace - -error: aborting due to 1 previous error - diff --git a/src/tools/miri/tests/fail/dangling_pointers/null_pointer_write_zst.rs b/src/tools/miri/tests/fail/dangling_pointers/null_pointer_write_zst.rs deleted file mode 100644 index edd6c8fadce4..000000000000 --- a/src/tools/miri/tests/fail/dangling_pointers/null_pointer_write_zst.rs +++ /dev/null @@ -1,8 +0,0 @@ -#[allow(deref_nullptr)] -fn main() { - // Not using the () type here, as writes of that type do not even have MIR generated. - // Also not assigning directly as that's array initialization, not assignment. - let zst_val = [1u8; 0]; - unsafe { std::ptr::null_mut::<[u8; 0]>().write(zst_val) }; - //~^ERROR: memory access failed: null pointer is a dangling pointer -} diff --git a/src/tools/miri/tests/fail/dangling_pointers/null_pointer_write_zst.stderr b/src/tools/miri/tests/fail/dangling_pointers/null_pointer_write_zst.stderr deleted file mode 100644 index 1d4704e2a0e8..000000000000 --- a/src/tools/miri/tests/fail/dangling_pointers/null_pointer_write_zst.stderr +++ /dev/null @@ -1,15 +0,0 @@ -error: Undefined Behavior: memory access failed: null pointer is a dangling pointer (it has no provenance) - --> $DIR/null_pointer_write_zst.rs:LL:CC - | -LL | unsafe { std::ptr::null_mut::<[u8; 0]>().write(zst_val) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ memory access failed: null pointer is a dangling pointer (it has no provenance) - | - = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior - = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information - = note: BACKTRACE: - = note: inside `main` at $DIR/null_pointer_write_zst.rs:LL:CC - -note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace - -error: aborting due to 1 previous error - diff --git a/src/tools/miri/tests/fail/intrinsics/copy_null.rs b/src/tools/miri/tests/fail/intrinsics/copy_null.rs deleted file mode 100644 index 237e517f2875..000000000000 --- a/src/tools/miri/tests/fail/intrinsics/copy_null.rs +++ /dev/null @@ -1,15 +0,0 @@ -#![feature(intrinsics)] - -// Directly call intrinsic to avoid debug assertions in libstd -extern "rust-intrinsic" { - fn copy_nonoverlapping(src: *const T, dst: *mut T, count: usize); -} - -fn main() { - let mut data = [0u16; 4]; - let ptr = &mut data[0] as *mut u16; - // Even copying 0 elements from NULL should error. - unsafe { - copy_nonoverlapping(std::ptr::null(), ptr, 0); //~ ERROR: memory access failed: null pointer is a dangling pointer - } -} diff --git a/src/tools/miri/tests/fail/intrinsics/copy_null.stderr b/src/tools/miri/tests/fail/intrinsics/copy_null.stderr deleted file mode 100644 index d73c03475d69..000000000000 --- a/src/tools/miri/tests/fail/intrinsics/copy_null.stderr +++ /dev/null @@ -1,15 +0,0 @@ -error: Undefined Behavior: memory access failed: null pointer is a dangling pointer (it has no provenance) - --> $DIR/copy_null.rs:LL:CC - | -LL | copy_nonoverlapping(std::ptr::null(), ptr, 0); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ memory access failed: null pointer is a dangling pointer (it has no provenance) - | - = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior - = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information - = note: BACKTRACE: - = note: inside `main` at $DIR/copy_null.rs:LL:CC - -note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace - -error: aborting due to 1 previous error - diff --git a/src/tools/miri/tests/fail/intrinsics/ptr_offset_0_plus_0.rs b/src/tools/miri/tests/fail/intrinsics/ptr_offset_0_plus_0.rs deleted file mode 100644 index e2329c131398..000000000000 --- a/src/tools/miri/tests/fail/intrinsics/ptr_offset_0_plus_0.rs +++ /dev/null @@ -1,9 +0,0 @@ -//@compile-flags: -Zmiri-permissive-provenance - -#[rustfmt::skip] // fails with "left behind trailing whitespace" -fn main() { - let x = 0 as *mut i32; - let _x = x.wrapping_offset(8); // ok, this has no inbounds tag - let _x = unsafe { x.offset(0) }; // UB despite offset 0, NULL is never inbounds - //~^ERROR: null pointer is a dangling pointer -} diff --git a/src/tools/miri/tests/fail/intrinsics/ptr_offset_0_plus_0.stderr b/src/tools/miri/tests/fail/intrinsics/ptr_offset_0_plus_0.stderr deleted file mode 100644 index a8984c7fa167..000000000000 --- a/src/tools/miri/tests/fail/intrinsics/ptr_offset_0_plus_0.stderr +++ /dev/null @@ -1,15 +0,0 @@ -error: Undefined Behavior: out-of-bounds pointer arithmetic: null pointer is a dangling pointer (it has no provenance) - --> $DIR/ptr_offset_0_plus_0.rs:LL:CC - | -LL | let _x = unsafe { x.offset(0) }; // UB despite offset 0, NULL is never inbounds - | ^^^^^^^^^^^ out-of-bounds pointer arithmetic: null pointer is a dangling pointer (it has no provenance) - | - = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior - = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information - = note: BACKTRACE: - = note: inside `main` at $DIR/ptr_offset_0_plus_0.rs:LL:CC - -note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace - -error: aborting due to 1 previous error - diff --git a/src/tools/miri/tests/fail/intrinsics/ptr_offset_from_oob.rs b/src/tools/miri/tests/fail/intrinsics/ptr_offset_from_oob.rs deleted file mode 100644 index 0e5acf08b203..000000000000 --- a/src/tools/miri/tests/fail/intrinsics/ptr_offset_from_oob.rs +++ /dev/null @@ -1,7 +0,0 @@ -fn main() { - let start_ptr = &4 as *const _ as *const u8; - let length = 10; - let end_ptr = start_ptr.wrapping_add(length); - // Even if the offset is 0, a dangling OOB pointer is not allowed. - unsafe { end_ptr.offset_from(end_ptr) }; //~ERROR: pointer at offset 10 is out-of-bounds -} diff --git a/src/tools/miri/tests/fail/intrinsics/ptr_offset_from_oob.stderr b/src/tools/miri/tests/fail/intrinsics/ptr_offset_from_oob.stderr deleted file mode 100644 index 32a4461d6bf0..000000000000 --- a/src/tools/miri/tests/fail/intrinsics/ptr_offset_from_oob.stderr +++ /dev/null @@ -1,15 +0,0 @@ -error: Undefined Behavior: out-of-bounds `offset_from`: ALLOC has size 4, so pointer at offset 10 is out-of-bounds - --> $DIR/ptr_offset_from_oob.rs:LL:CC - | -LL | unsafe { end_ptr.offset_from(end_ptr) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ out-of-bounds `offset_from`: ALLOC has size 4, so pointer at offset 10 is out-of-bounds - | - = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior - = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information - = note: BACKTRACE: - = note: inside `main` at $DIR/ptr_offset_from_oob.rs:LL:CC - -note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace - -error: aborting due to 1 previous error - diff --git a/src/tools/miri/tests/fail/intrinsics/ptr_offset_ptr_plus_0.rs b/src/tools/miri/tests/fail/intrinsics/ptr_offset_ptr_plus_0.rs deleted file mode 100644 index 575e28854b1a..000000000000 --- a/src/tools/miri/tests/fail/intrinsics/ptr_offset_ptr_plus_0.rs +++ /dev/null @@ -1,7 +0,0 @@ -#[rustfmt::skip] // fails with "left behind trailing whitespace" -fn main() { - let x = Box::into_raw(Box::new(0u32)); - let x = x.wrapping_offset(8); // ok, this has no inbounds tag - let _x = unsafe { x.offset(0) }; // UB despite offset 0, the pointer is not inbounds of the only object it can point to - //~^ERROR: pointer at offset 32 is out-of-bounds -} diff --git a/src/tools/miri/tests/fail/intrinsics/ptr_offset_ptr_plus_0.stderr b/src/tools/miri/tests/fail/intrinsics/ptr_offset_ptr_plus_0.stderr deleted file mode 100644 index 304d362bbb9f..000000000000 --- a/src/tools/miri/tests/fail/intrinsics/ptr_offset_ptr_plus_0.stderr +++ /dev/null @@ -1,20 +0,0 @@ -error: Undefined Behavior: out-of-bounds pointer arithmetic: ALLOC has size 4, so pointer at offset 32 is out-of-bounds - --> $DIR/ptr_offset_ptr_plus_0.rs:LL:CC - | -LL | let _x = unsafe { x.offset(0) }; // UB despite offset 0, the pointer is not inbounds of the only object it can point to - | ^^^^^^^^^^^ out-of-bounds pointer arithmetic: ALLOC has size 4, so pointer at offset 32 is out-of-bounds - | - = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior - = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information -help: ALLOC was allocated here: - --> $DIR/ptr_offset_ptr_plus_0.rs:LL:CC - | -LL | let x = Box::into_raw(Box::new(0u32)); - | ^^^^^^^^^^^^^^ - = note: BACKTRACE (of the first span): - = note: inside `main` at $DIR/ptr_offset_ptr_plus_0.rs:LL:CC - -note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace - -error: aborting due to 1 previous error - diff --git a/src/tools/miri/tests/fail/intrinsics/write_bytes_null.rs b/src/tools/miri/tests/fail/intrinsics/write_bytes_null.rs deleted file mode 100644 index 2f46c820fb73..000000000000 --- a/src/tools/miri/tests/fail/intrinsics/write_bytes_null.rs +++ /dev/null @@ -1,10 +0,0 @@ -#![feature(intrinsics)] - -// Directly call intrinsic to avoid debug assertions in libstd -extern "rust-intrinsic" { - fn write_bytes(dst: *mut T, val: u8, count: usize); -} - -fn main() { - unsafe { write_bytes::(std::ptr::null_mut(), 0, 0) }; //~ ERROR: memory access failed: null pointer is a dangling pointer -} diff --git a/src/tools/miri/tests/fail/intrinsics/write_bytes_null.stderr b/src/tools/miri/tests/fail/intrinsics/write_bytes_null.stderr deleted file mode 100644 index def180935cc3..000000000000 --- a/src/tools/miri/tests/fail/intrinsics/write_bytes_null.stderr +++ /dev/null @@ -1,15 +0,0 @@ -error: Undefined Behavior: memory access failed: null pointer is a dangling pointer (it has no provenance) - --> $DIR/write_bytes_null.rs:LL:CC - | -LL | unsafe { write_bytes::(std::ptr::null_mut(), 0, 0) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ memory access failed: null pointer is a dangling pointer (it has no provenance) - | - = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior - = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information - = note: BACKTRACE: - = note: inside `main` at $DIR/write_bytes_null.rs:LL:CC - -note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace - -error: aborting due to 1 previous error - diff --git a/src/tools/miri/tests/fail/zst2.rs b/src/tools/miri/tests/fail/zst2.rs deleted file mode 100644 index 04218c264a3e..000000000000 --- a/src/tools/miri/tests/fail/zst2.rs +++ /dev/null @@ -1,12 +0,0 @@ -fn main() { - // Not using the () type here, as writes of that type do not even have MIR generated. - // Also not assigning directly as that's array initialization, not assignment. - let zst_val = [1u8; 0]; - - // make sure ZST accesses are checked against being "truly" dangling pointers - // (into deallocated allocations). - let mut x_box = Box::new(1u8); - let x = &mut *x_box as *mut _ as *mut [u8; 0]; - drop(x_box); - unsafe { *x = zst_val }; //~ ERROR: has been freed -} diff --git a/src/tools/miri/tests/fail/zst2.stderr b/src/tools/miri/tests/fail/zst2.stderr deleted file mode 100644 index b3f65e7866dc..000000000000 --- a/src/tools/miri/tests/fail/zst2.stderr +++ /dev/null @@ -1,25 +0,0 @@ -error: Undefined Behavior: memory access failed: ALLOC has been freed, so this pointer is dangling - --> $DIR/zst2.rs:LL:CC - | -LL | unsafe { *x = zst_val }; - | ^^^^^^^^^^^^ memory access failed: ALLOC has been freed, so this pointer is dangling - | - = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior - = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information -help: ALLOC was allocated here: - --> $DIR/zst2.rs:LL:CC - | -LL | let mut x_box = Box::new(1u8); - | ^^^^^^^^^^^^^ -help: ALLOC was deallocated here: - --> $DIR/zst2.rs:LL:CC - | -LL | drop(x_box); - | ^^^^^^^^^^^ - = note: BACKTRACE (of the first span): - = note: inside `main` at $DIR/zst2.rs:LL:CC - -note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace - -error: aborting due to 1 previous error - diff --git a/src/tools/miri/tests/fail/zst3.rs b/src/tools/miri/tests/fail/zst3.rs deleted file mode 100644 index 454bef25f223..000000000000 --- a/src/tools/miri/tests/fail/zst3.rs +++ /dev/null @@ -1,15 +0,0 @@ -fn main() { - // Not using the () type here, as writes of that type do not even have MIR generated. - // Also not assigning directly as that's array initialization, not assignment. - let zst_val = [1u8; 0]; - - // make sure ZST accesses are checked against being "truly" dangling pointers - // (that are out-of-bounds). - let mut x_box = Box::new(1u8); - let x = (&mut *x_box as *mut u8).wrapping_offset(1); - // This one is just "at the edge", but still okay - unsafe { *(x as *mut [u8; 0]) = zst_val }; - // One byte further is OOB. - let x = x.wrapping_offset(1); - unsafe { *(x as *mut [u8; 0]) = zst_val }; //~ ERROR: out-of-bounds -} diff --git a/src/tools/miri/tests/fail/zst3.stderr b/src/tools/miri/tests/fail/zst3.stderr deleted file mode 100644 index b9495fbd2074..000000000000 --- a/src/tools/miri/tests/fail/zst3.stderr +++ /dev/null @@ -1,20 +0,0 @@ -error: Undefined Behavior: memory access failed: ALLOC has size 1, so pointer at offset 2 is out-of-bounds - --> $DIR/zst3.rs:LL:CC - | -LL | unsafe { *(x as *mut [u8; 0]) = zst_val }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ memory access failed: ALLOC has size 1, so pointer at offset 2 is out-of-bounds - | - = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior - = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information -help: ALLOC was allocated here: - --> $DIR/zst3.rs:LL:CC - | -LL | let mut x_box = Box::new(1u8); - | ^^^^^^^^^^^^^ - = note: BACKTRACE (of the first span): - = note: inside `main` at $DIR/zst3.rs:LL:CC - -note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace - -error: aborting due to 1 previous error - diff --git a/src/tools/miri/tests/fail/zst1.rs b/src/tools/miri/tests/fail/zst_local_oob.rs similarity index 100% rename from src/tools/miri/tests/fail/zst1.rs rename to src/tools/miri/tests/fail/zst_local_oob.rs diff --git a/src/tools/miri/tests/fail/zst1.stderr b/src/tools/miri/tests/fail/zst_local_oob.stderr similarity index 88% rename from src/tools/miri/tests/fail/zst1.stderr rename to src/tools/miri/tests/fail/zst_local_oob.stderr index cda837da7e71..ba1ccaa0a3c8 100644 --- a/src/tools/miri/tests/fail/zst1.stderr +++ b/src/tools/miri/tests/fail/zst_local_oob.stderr @@ -1,5 +1,5 @@ error: Undefined Behavior: memory access failed: ALLOC has size 0, so pointer to 1 byte starting at offset 0 is out-of-bounds - --> $DIR/zst1.rs:LL:CC + --> $DIR/zst_local_oob.rs:LL:CC | LL | let _val = unsafe { *x }; | ^^ memory access failed: ALLOC has size 0, so pointer to 1 byte starting at offset 0 is out-of-bounds @@ -7,7 +7,7 @@ LL | let _val = unsafe { *x }; = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information = note: BACKTRACE: - = note: inside `main` at $DIR/zst1.rs:LL:CC + = note: inside `main` at $DIR/zst_local_oob.rs:LL:CC note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace diff --git a/src/tools/miri/tests/pass/align_offset_symbolic.rs b/src/tools/miri/tests/pass/align_offset_symbolic.rs index dec3d779a789..9647277821fa 100644 --- a/src/tools/miri/tests/pass/align_offset_symbolic.rs +++ b/src/tools/miri/tests/pass/align_offset_symbolic.rs @@ -118,10 +118,9 @@ fn vtable() { let parts: (*const (), *const u8) = unsafe { mem::transmute(ptr) }; let vtable = parts.1; let offset = vtable.align_offset(mem::align_of::()); - let _vtable_aligned = vtable.wrapping_add(offset) as *const [TWOPTR; 0]; - // FIXME: we can't actually do the access since vtable pointers act like zero-sized allocations. - // Enable the next line once https://github.com/rust-lang/rust/issues/117945 is implemented. - //let _place = unsafe { &*vtable_aligned }; + let vtable_aligned = vtable.wrapping_add(offset) as *const [TWOPTR; 0]; + // Zero-sized deref, so no in-bounds requirement. + let _place = unsafe { &*vtable_aligned }; } fn main() { diff --git a/src/tools/miri/tests/pass/zero-sized-accesses-and-offsets.rs b/src/tools/miri/tests/pass/zero-sized-accesses-and-offsets.rs new file mode 100644 index 000000000000..2d142bef73c4 --- /dev/null +++ b/src/tools/miri/tests/pass/zero-sized-accesses-and-offsets.rs @@ -0,0 +1,59 @@ +//! Tests specific for : zero-sized operations. +#![feature(strict_provenance)] + +use std::ptr; + +fn main() { + // Null. + test_ptr(ptr::null_mut::<()>()); + // No provenance. + test_ptr(ptr::without_provenance_mut::<()>(1)); + // Out-of-bounds. + let mut b = Box::new(0i32); + let ptr = ptr::addr_of_mut!(*b) as *mut (); + test_ptr(ptr.wrapping_byte_add(2)); + // Dangling (use-after-free). + drop(b); + test_ptr(ptr); +} + +fn test_ptr(ptr: *mut ()) { + unsafe { + // Reads and writes. + let mut val = *ptr; + *ptr = val; + ptr.read(); + ptr.write(()); + // Memory access intrinsics. + // - memcpy (1st and 2nd argument) + ptr.copy_from_nonoverlapping(&(), 1); + ptr.copy_to_nonoverlapping(&mut val, 1); + // - memmove (1st and 2nd argument) + ptr.copy_from(&(), 1); + ptr.copy_to(&mut val, 1); + // - memset + ptr.write_bytes(0u8, 1); + // Offset. + let _ = ptr.offset(0); + let _ = ptr.offset(1); // this is still 0 bytes + // Distance. + let ptr = ptr.cast::(); + ptr.offset_from(ptr); + /* + FIXME: this is disabled for now as these cases are not yet allowed. + // Distance from other "bad" pointers that have the same address, but different provenance. Some + // of this is library UB, but we don't want it to be language UB since that would violate + // provenance monotonicity: if we allow computing the distance between two ptrs with no + // provenance, we have to allow computing it between two ptrs with arbitrary provenance. + // - Distance from "no provenance" + ptr.offset_from(ptr::without_provenance_mut(ptr.addr())); + // - Distance from out-of-bounds pointer + let mut b = Box::new(0i32); + let other_ptr = ptr::addr_of_mut!(*b); + ptr.offset_from(other_ptr.with_addr(ptr.addr())); + // - Distance from use-after-free pointer + drop(b); + ptr.offset_from(other_ptr.with_addr(ptr.addr())); + */ + } +} diff --git a/tests/ui/const-ptr/forbidden_slices.rs b/tests/ui/const-ptr/forbidden_slices.rs index 85baeedf2215..2550a3a01096 100644 --- a/tests/ui/const-ptr/forbidden_slices.rs +++ b/tests/ui/const-ptr/forbidden_slices.rs @@ -12,7 +12,7 @@ use std::{ slice::{from_ptr_range, from_raw_parts}, }; -// Null is never valid for reads +// Null is never valid for references pub static S0: &[u32] = unsafe { from_raw_parts(ptr::null(), 0) }; //~^ ERROR: it is undefined behavior to use this value pub static S1: &[()] = unsafe { from_raw_parts(ptr::null(), 0) }; @@ -46,10 +46,11 @@ pub static S8: &[u64] = unsafe { }; pub static R0: &[u32] = unsafe { from_ptr_range(ptr::null()..ptr::null()) }; -pub static R1: &[()] = unsafe { from_ptr_range(ptr::null()..ptr::null()) }; +//~^ ERROR it is undefined behavior to use this value +pub static R1: &[()] = unsafe { from_ptr_range(ptr::null()..ptr::null()) }; // errors inside libcore pub static R2: &[u32] = unsafe { let ptr = &D0 as *const u32; - from_ptr_range(ptr..ptr.add(2)) + from_ptr_range(ptr..ptr.add(2)) // errors inside libcore }; pub static R4: &[u8] = unsafe { //~^ ERROR: it is undefined behavior to use this value diff --git a/tests/ui/const-ptr/forbidden_slices.stderr b/tests/ui/const-ptr/forbidden_slices.stderr index 250366da2a6a..eb41a25c818a 100644 --- a/tests/ui/const-ptr/forbidden_slices.stderr +++ b/tests/ui/const-ptr/forbidden_slices.stderr @@ -88,20 +88,16 @@ LL | pub static S8: &[u64] = unsafe { HEX_DUMP } -error[E0080]: could not evaluate static initializer - --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | - = note: out-of-bounds `offset_from`: null pointer is a dangling pointer (it has no provenance) - | -note: inside `std::ptr::const_ptr::::sub_ptr` - --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL -note: inside `from_ptr_range::<'_, u32>` - --> $SRC_DIR/core/src/slice/raw.rs:LL:COL -note: inside `R0` - --> $DIR/forbidden_slices.rs:48:34 +error[E0080]: it is undefined behavior to use this value + --> $DIR/forbidden_slices.rs:48:1 | LL | pub static R0: &[u32] = unsafe { from_ptr_range(ptr::null()..ptr::null()) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^ constructing invalid value: encountered a null reference + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: $SIZE, align: $ALIGN) { + HEX_DUMP + } error[E0080]: could not evaluate static initializer --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL @@ -113,9 +109,9 @@ note: inside `std::ptr::const_ptr::::sub_ptr` note: inside `from_ptr_range::<'_, ()>` --> $SRC_DIR/core/src/slice/raw.rs:LL:COL note: inside `R1` - --> $DIR/forbidden_slices.rs:49:33 + --> $DIR/forbidden_slices.rs:50:33 | -LL | pub static R1: &[()] = unsafe { from_ptr_range(ptr::null()..ptr::null()) }; +LL | pub static R1: &[()] = unsafe { from_ptr_range(ptr::null()..ptr::null()) }; // errors inside libcore | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: this error originates in the macro `assert` (in Nightly builds, run with -Z macro-backtrace for more info) @@ -127,13 +123,13 @@ error[E0080]: could not evaluate static initializer note: inside `std::ptr::const_ptr::::add` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL note: inside `R2` - --> $DIR/forbidden_slices.rs:52:25 + --> $DIR/forbidden_slices.rs:53:25 | -LL | from_ptr_range(ptr..ptr.add(2)) +LL | from_ptr_range(ptr..ptr.add(2)) // errors inside libcore | ^^^^^^^^^^ error[E0080]: it is undefined behavior to use this value - --> $DIR/forbidden_slices.rs:54:1 + --> $DIR/forbidden_slices.rs:55:1 | LL | pub static R4: &[u8] = unsafe { | ^^^^^^^^^^^^^^^^^^^^ constructing invalid value at .[0]: encountered uninitialized memory, but expected an integer @@ -144,7 +140,7 @@ LL | pub static R4: &[u8] = unsafe { } error[E0080]: it is undefined behavior to use this value - --> $DIR/forbidden_slices.rs:59:1 + --> $DIR/forbidden_slices.rs:60:1 | LL | pub static R5: &[u8] = unsafe { | ^^^^^^^^^^^^^^^^^^^^ constructing invalid value at .[0]: encountered a pointer, but expected an integer @@ -157,7 +153,7 @@ LL | pub static R5: &[u8] = unsafe { = help: the absolute address of a pointer is not known at compile-time, so such operations are not supported error[E0080]: it is undefined behavior to use this value - --> $DIR/forbidden_slices.rs:64:1 + --> $DIR/forbidden_slices.rs:65:1 | LL | pub static R6: &[bool] = unsafe { | ^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value at .[0]: encountered 0x11, but expected a boolean @@ -168,7 +164,7 @@ LL | pub static R6: &[bool] = unsafe { } error[E0080]: it is undefined behavior to use this value - --> $DIR/forbidden_slices.rs:69:1 + --> $DIR/forbidden_slices.rs:70:1 | LL | pub static R7: &[u16] = unsafe { | ^^^^^^^^^^^^^^^^^^^^^ constructing invalid value: encountered an unaligned reference (required 2 byte alignment but found 1) @@ -186,7 +182,7 @@ error[E0080]: could not evaluate static initializer note: inside `std::ptr::const_ptr::::add` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL note: inside `R8` - --> $DIR/forbidden_slices.rs:76:25 + --> $DIR/forbidden_slices.rs:77:25 | LL | from_ptr_range(ptr..ptr.add(1)) | ^^^^^^^^^^ @@ -201,7 +197,7 @@ note: inside `std::ptr::const_ptr::::sub_ptr` note: inside `from_ptr_range::<'_, u32>` --> $SRC_DIR/core/src/slice/raw.rs:LL:COL note: inside `R9` - --> $DIR/forbidden_slices.rs:81:34 + --> $DIR/forbidden_slices.rs:82:34 | LL | pub static R9: &[u32] = unsafe { from_ptr_range(&D0..(&D0 as *const u32).add(1)) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -216,7 +212,7 @@ note: inside `std::ptr::const_ptr::::sub_ptr` note: inside `from_ptr_range::<'_, u32>` --> $SRC_DIR/core/src/slice/raw.rs:LL:COL note: inside `R10` - --> $DIR/forbidden_slices.rs:82:35 + --> $DIR/forbidden_slices.rs:83:35 | LL | pub static R10: &[u32] = unsafe { from_ptr_range(&D0..&D0) }; | ^^^^^^^^^^^^^^^^^^^^^^^^ diff --git a/tests/ui/consts/const-compare-bytes-ub.rs b/tests/ui/consts/const-compare-bytes-ub.rs index b357bab96a4d..903ba15e6229 100644 --- a/tests/ui/consts/const-compare-bytes-ub.rs +++ b/tests/ui/consts/const-compare-bytes-ub.rs @@ -7,11 +7,11 @@ use std::mem::MaybeUninit; fn main() { const LHS_NULL: i32 = unsafe { - compare_bytes(0 as *const u8, 2 as *const u8, 0) + compare_bytes(0 as *const u8, 2 as *const u8, 1) //~^ ERROR evaluation of constant value failed }; const RHS_NULL: i32 = unsafe { - compare_bytes(1 as *const u8, 0 as *const u8, 0) + compare_bytes(1 as *const u8, 0 as *const u8, 1) //~^ ERROR evaluation of constant value failed }; const DANGLING_PTR_NON_ZERO_LENGTH: i32 = unsafe { diff --git a/tests/ui/consts/const-compare-bytes-ub.stderr b/tests/ui/consts/const-compare-bytes-ub.stderr index d8971eb9969f..9e49706c4c83 100644 --- a/tests/ui/consts/const-compare-bytes-ub.stderr +++ b/tests/ui/consts/const-compare-bytes-ub.stderr @@ -1,14 +1,14 @@ error[E0080]: evaluation of constant value failed --> $DIR/const-compare-bytes-ub.rs:10:9 | -LL | compare_bytes(0 as *const u8, 2 as *const u8, 0) +LL | compare_bytes(0 as *const u8, 2 as *const u8, 1) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ memory access failed: null pointer is a dangling pointer (it has no provenance) error[E0080]: evaluation of constant value failed --> $DIR/const-compare-bytes-ub.rs:14:9 | -LL | compare_bytes(1 as *const u8, 0 as *const u8, 0) - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ memory access failed: null pointer is a dangling pointer (it has no provenance) +LL | compare_bytes(1 as *const u8, 0 as *const u8, 1) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ memory access failed: 0x1[noalloc] is a dangling pointer (it has no provenance) error[E0080]: evaluation of constant value failed --> $DIR/const-compare-bytes-ub.rs:18:9 diff --git a/tests/ui/consts/copy-intrinsic.rs b/tests/ui/consts/copy-intrinsic.rs index 94d7bdc6bae9..4183dc0fcd6d 100644 --- a/tests/ui/consts/copy-intrinsic.rs +++ b/tests/ui/consts/copy-intrinsic.rs @@ -23,16 +23,20 @@ const COPY_ZERO: () = unsafe { const COPY_OOB_1: () = unsafe { let mut x = 0i32; let dangle = (&mut x as *mut i32).wrapping_add(10); - // Even if the first ptr is an int ptr and this is a ZST copy, we should detect dangling 2nd ptrs. - copy_nonoverlapping(0x100 as *const i32, dangle, 0); //~ ERROR evaluation of constant value failed [E0080] - //~| pointer at offset 40 is out-of-bounds + // Zero-sized copy is fine. + copy_nonoverlapping(0x100 as *const i32, dangle, 0); + // Non-zero-sized copy is not. + copy_nonoverlapping(0x100 as *const i32, dangle, 1); //~ ERROR evaluation of constant value failed [E0080] + //~| 0x100[noalloc] is a dangling pointer }; const COPY_OOB_2: () = unsafe { let x = 0i32; let dangle = (&x as *const i32).wrapping_add(10); - // Even if the second ptr is an int ptr and this is a ZST copy, we should detect dangling 1st ptrs. - copy_nonoverlapping(dangle, 0x100 as *mut i32, 0); //~ ERROR evaluation of constant value failed [E0080] - //~| pointer at offset 40 is out-of-bounds + // Zero-sized copy is fine. + copy_nonoverlapping(dangle, 0x100 as *mut i32, 0); + // Non-zero-sized copy is not. + copy_nonoverlapping(dangle, 0x100 as *mut i32, 1); //~ ERROR evaluation of constant value failed [E0080] + //~| offset 40 is out-of-bounds }; const COPY_SIZE_OVERFLOW: () = unsafe { diff --git a/tests/ui/consts/copy-intrinsic.stderr b/tests/ui/consts/copy-intrinsic.stderr index 0e4e6a6ad6c4..d34e61cd9627 100644 --- a/tests/ui/consts/copy-intrinsic.stderr +++ b/tests/ui/consts/copy-intrinsic.stderr @@ -1,23 +1,23 @@ error[E0080]: evaluation of constant value failed - --> $DIR/copy-intrinsic.rs:27:5 + --> $DIR/copy-intrinsic.rs:29:5 | -LL | copy_nonoverlapping(0x100 as *const i32, dangle, 0); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ memory access failed: ALLOC0 has size 4, so pointer at offset 40 is out-of-bounds +LL | copy_nonoverlapping(0x100 as *const i32, dangle, 1); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ memory access failed: 0x100[noalloc] is a dangling pointer (it has no provenance) error[E0080]: evaluation of constant value failed - --> $DIR/copy-intrinsic.rs:34:5 + --> $DIR/copy-intrinsic.rs:38:5 | -LL | copy_nonoverlapping(dangle, 0x100 as *mut i32, 0); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ memory access failed: ALLOC1 has size 4, so pointer at offset 40 is out-of-bounds +LL | copy_nonoverlapping(dangle, 0x100 as *mut i32, 1); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ memory access failed: ALLOC0 has size 4, so pointer to 4 bytes starting at offset 40 is out-of-bounds error[E0080]: evaluation of constant value failed - --> $DIR/copy-intrinsic.rs:41:5 + --> $DIR/copy-intrinsic.rs:45:5 | LL | copy(&x, &mut y, 1usize << (mem::size_of::() * 8 - 1)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overflow computing total size of `copy` error[E0080]: evaluation of constant value failed - --> $DIR/copy-intrinsic.rs:47:5 + --> $DIR/copy-intrinsic.rs:51:5 | LL | copy_nonoverlapping(&x, &mut y, 1usize << (mem::size_of::() * 8 - 1)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overflow computing total size of `copy_nonoverlapping` diff --git a/tests/ui/consts/dangling-alloc-id-ice.rs b/tests/ui/consts/dangling-alloc-id-ice.rs index 76d6f33baf34..6b07b8b3cc80 100644 --- a/tests/ui/consts/dangling-alloc-id-ice.rs +++ b/tests/ui/consts/dangling-alloc-id-ice.rs @@ -10,7 +10,7 @@ union Foo<'a> { } const FOO: &() = { - //~^ ERROR it is undefined behavior to use this value + //~^ ERROR encountered dangling pointer let y = (); unsafe { Foo { y: &y }.long_live_the_unit } }; diff --git a/tests/ui/consts/dangling-alloc-id-ice.stderr b/tests/ui/consts/dangling-alloc-id-ice.stderr index 881c0b162edc..de31acf9fa44 100644 --- a/tests/ui/consts/dangling-alloc-id-ice.stderr +++ b/tests/ui/consts/dangling-alloc-id-ice.stderr @@ -1,14 +1,8 @@ -error[E0080]: it is undefined behavior to use this value +error: encountered dangling pointer in final value of constant --> $DIR/dangling-alloc-id-ice.rs:12:1 | LL | const FOO: &() = { - | ^^^^^^^^^^^^^^ constructing invalid value: encountered a dangling reference (use-after-free) - | - = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. - = note: the raw bytes of the constant (size: $SIZE, align: $ALIGN) { - HEX_DUMP - } + | ^^^^^^^^^^^^^^ error: aborting due to 1 previous error -For more information about this error, try `rustc --explain E0080`. diff --git a/tests/ui/consts/offset_from_ub.rs b/tests/ui/consts/offset_from_ub.rs index e0dd27079156..57767e965962 100644 --- a/tests/ui/consts/offset_from_ub.rs +++ b/tests/ui/consts/offset_from_ub.rs @@ -34,8 +34,8 @@ pub const NOT_MULTIPLE_OF_SIZE: isize = { pub const OFFSET_FROM_NULL: isize = { let ptr = 0 as *const u8; - unsafe { ptr_offset_from(ptr, ptr) } //~ERROR evaluation of constant value failed - //~| null pointer is a dangling pointer + // Null isn't special for zero-sized "accesses" (i.e., the range between the two pointers) + unsafe { ptr_offset_from(ptr, ptr) } }; pub const DIFFERENT_INT: isize = { // offset_from with two different integers: like DIFFERENT_ALLOC @@ -67,8 +67,8 @@ const OUT_OF_BOUNDS_SAME: isize = { let start_ptr = &4 as *const _ as *const u8; let length = 10; let end_ptr = (start_ptr).wrapping_add(length); - unsafe { ptr_offset_from(end_ptr, end_ptr) } //~ERROR evaluation of constant value failed - //~| pointer at offset 10 is out-of-bounds + // Out-of-bounds is fine as long as the range between the pointers is empty. + unsafe { ptr_offset_from(end_ptr, end_ptr) } }; pub const DIFFERENT_ALLOC_UNSIGNED: usize = { diff --git a/tests/ui/consts/offset_from_ub.stderr b/tests/ui/consts/offset_from_ub.stderr index e3bac8d5e31a..65f75a6e0587 100644 --- a/tests/ui/consts/offset_from_ub.stderr +++ b/tests/ui/consts/offset_from_ub.stderr @@ -23,12 +23,6 @@ error[E0080]: evaluation of constant value failed LL | unsafe { ptr_offset_from(field_ptr, base_ptr as *const u16) } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ exact_div: 1_isize cannot be divided by 2_isize without remainder -error[E0080]: evaluation of constant value failed - --> $DIR/offset_from_ub.rs:37:14 - | -LL | unsafe { ptr_offset_from(ptr, ptr) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^ out-of-bounds `offset_from`: null pointer is a dangling pointer (it has no provenance) - error[E0080]: evaluation of constant value failed --> $DIR/offset_from_ub.rs:44:14 | @@ -47,12 +41,6 @@ error[E0080]: evaluation of constant value failed LL | unsafe { ptr_offset_from(start_ptr, end_ptr) } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ out-of-bounds `offset_from`: ALLOC1 has size 4, so pointer to 10 bytes starting at offset 0 is out-of-bounds -error[E0080]: evaluation of constant value failed - --> $DIR/offset_from_ub.rs:70:14 - | -LL | unsafe { ptr_offset_from(end_ptr, end_ptr) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ out-of-bounds `offset_from`: ALLOC2 has size 4, so pointer at offset 10 is out-of-bounds - error[E0080]: evaluation of constant value failed --> $DIR/offset_from_ub.rs:79:14 | @@ -109,6 +97,6 @@ note: inside `OFFSET_VERY_FAR2` LL | unsafe { ptr1.offset_from(ptr2.wrapping_offset(1)) } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: aborting due to 15 previous errors +error: aborting due to 13 previous errors For more information about this error, try `rustc --explain E0080`. diff --git a/tests/ui/consts/offset_ub.rs b/tests/ui/consts/offset_ub.rs index 920ecb687cf5..36e4ff1281a1 100644 --- a/tests/ui/consts/offset_ub.rs +++ b/tests/ui/consts/offset_ub.rs @@ -17,10 +17,10 @@ pub const NEGATIVE_OFFSET: *const u8 = unsafe { [0u8; 1].as_ptr().wrapping_offse pub const ZERO_SIZED_ALLOC: *const u8 = unsafe { [0u8; 0].as_ptr().offset(1) }; //~NOTE pub const DANGLING: *const u8 = unsafe { ptr::NonNull::::dangling().as_ptr().offset(4) }; //~NOTE -// Right now, a zero offset from null is UB -pub const NULL_OFFSET_ZERO: *const u8 = unsafe { ptr::null::().offset(0) }; //~NOTE - // Make sure that we don't panic when computing abs(offset*size_of::()) pub const UNDERFLOW_ABS: *const u8 = unsafe { (usize::MAX as *const u8).offset(isize::MIN) }; //~NOTE +// Offset-by-zero is allowed. +pub const NULL_OFFSET_ZERO: *const u8 = unsafe { ptr::null::().offset(0) }; + fn main() {} diff --git a/tests/ui/consts/offset_ub.stderr b/tests/ui/consts/offset_ub.stderr index b398b20393fc..89371f06d9d6 100644 --- a/tests/ui/consts/offset_ub.stderr +++ b/tests/ui/consts/offset_ub.stderr @@ -128,19 +128,6 @@ note: inside `DANGLING` LL | pub const DANGLING: *const u8 = unsafe { ptr::NonNull::::dangling().as_ptr().offset(4) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error[E0080]: evaluation of constant value failed - --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL - | - = note: out-of-bounds pointer arithmetic: null pointer is a dangling pointer (it has no provenance) - | -note: inside `std::ptr::const_ptr::::offset` - --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL -note: inside `NULL_OFFSET_ZERO` - --> $DIR/offset_ub.rs:21:50 - | -LL | pub const NULL_OFFSET_ZERO: *const u8 = unsafe { ptr::null::().offset(0) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ - error[E0080]: evaluation of constant value failed --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL | @@ -149,11 +136,11 @@ error[E0080]: evaluation of constant value failed note: inside `std::ptr::const_ptr::::offset` --> $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL note: inside `UNDERFLOW_ABS` - --> $DIR/offset_ub.rs:24:47 + --> $DIR/offset_ub.rs:21:47 | LL | pub const UNDERFLOW_ABS: *const u8 = unsafe { (usize::MAX as *const u8).offset(isize::MIN) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: aborting due to 12 previous errors +error: aborting due to 11 previous errors For more information about this error, try `rustc --explain E0080`. From c6a0e2ca4c1b728a39a5aa525d95ef6db4b4ee19 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Mon, 13 May 2024 08:21:05 +0200 Subject: [PATCH 0119/1716] intrinsics: just panic when they get used incorrectly --- src/tools/miri/src/intrinsics/atomic.rs | 66 ++++++++++++------------- src/tools/miri/src/shims/x86/avx2.rs | 2 +- src/tools/miri/src/shims/x86/mod.rs | 4 +- 3 files changed, 36 insertions(+), 36 deletions(-) diff --git a/src/tools/miri/src/intrinsics/atomic.rs b/src/tools/miri/src/intrinsics/atomic.rs index 40f6b8a64efa..0c212c45dbda 100644 --- a/src/tools/miri/src/intrinsics/atomic.rs +++ b/src/tools/miri/src/intrinsics/atomic.rs @@ -25,93 +25,93 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let intrinsic_structure: Vec<_> = intrinsic_name.split('_').collect(); - fn read_ord<'tcx>(ord: &str) -> InterpResult<'tcx, AtomicReadOrd> { - Ok(match ord { + fn read_ord(ord: &str) -> AtomicReadOrd { + match ord { "seqcst" => AtomicReadOrd::SeqCst, "acquire" => AtomicReadOrd::Acquire, "relaxed" => AtomicReadOrd::Relaxed, - _ => throw_unsup_format!("unsupported read ordering `{ord}`"), - }) + _ => panic!("invalid read ordering `{ord}`"), + } } - fn write_ord<'tcx>(ord: &str) -> InterpResult<'tcx, AtomicWriteOrd> { - Ok(match ord { + fn write_ord(ord: &str) -> AtomicWriteOrd { + match ord { "seqcst" => AtomicWriteOrd::SeqCst, "release" => AtomicWriteOrd::Release, "relaxed" => AtomicWriteOrd::Relaxed, - _ => throw_unsup_format!("unsupported write ordering `{ord}`"), - }) + _ => panic!("invalid write ordering `{ord}`"), + } } - fn rw_ord<'tcx>(ord: &str) -> InterpResult<'tcx, AtomicRwOrd> { - Ok(match ord { + fn rw_ord(ord: &str) -> AtomicRwOrd { + match ord { "seqcst" => AtomicRwOrd::SeqCst, "acqrel" => AtomicRwOrd::AcqRel, "acquire" => AtomicRwOrd::Acquire, "release" => AtomicRwOrd::Release, "relaxed" => AtomicRwOrd::Relaxed, - _ => throw_unsup_format!("unsupported read-write ordering `{ord}`"), - }) + _ => panic!("invalid read-write ordering `{ord}`"), + } } - fn fence_ord<'tcx>(ord: &str) -> InterpResult<'tcx, AtomicFenceOrd> { - Ok(match ord { + fn fence_ord(ord: &str) -> AtomicFenceOrd { + match ord { "seqcst" => AtomicFenceOrd::SeqCst, "acqrel" => AtomicFenceOrd::AcqRel, "acquire" => AtomicFenceOrd::Acquire, "release" => AtomicFenceOrd::Release, - _ => throw_unsup_format!("unsupported fence ordering `{ord}`"), - }) + _ => panic!("invalid fence ordering `{ord}`"), + } } match &*intrinsic_structure { - ["load", ord] => this.atomic_load(args, dest, read_ord(ord)?)?, - ["store", ord] => this.atomic_store(args, write_ord(ord)?)?, + ["load", ord] => this.atomic_load(args, dest, read_ord(ord))?, + ["store", ord] => this.atomic_store(args, write_ord(ord))?, - ["fence", ord] => this.atomic_fence_intrinsic(args, fence_ord(ord)?)?, - ["singlethreadfence", ord] => this.compiler_fence_intrinsic(args, fence_ord(ord)?)?, + ["fence", ord] => this.atomic_fence_intrinsic(args, fence_ord(ord))?, + ["singlethreadfence", ord] => this.compiler_fence_intrinsic(args, fence_ord(ord))?, - ["xchg", ord] => this.atomic_exchange(args, dest, rw_ord(ord)?)?, + ["xchg", ord] => this.atomic_exchange(args, dest, rw_ord(ord))?, ["cxchg", ord1, ord2] => - this.atomic_compare_exchange(args, dest, rw_ord(ord1)?, read_ord(ord2)?)?, + this.atomic_compare_exchange(args, dest, rw_ord(ord1), read_ord(ord2))?, ["cxchgweak", ord1, ord2] => - this.atomic_compare_exchange_weak(args, dest, rw_ord(ord1)?, read_ord(ord2)?)?, + this.atomic_compare_exchange_weak(args, dest, rw_ord(ord1), read_ord(ord2))?, ["or", ord] => - this.atomic_rmw_op(args, dest, AtomicOp::MirOp(BinOp::BitOr, false), rw_ord(ord)?)?, + this.atomic_rmw_op(args, dest, AtomicOp::MirOp(BinOp::BitOr, false), rw_ord(ord))?, ["xor", ord] => - this.atomic_rmw_op(args, dest, AtomicOp::MirOp(BinOp::BitXor, false), rw_ord(ord)?)?, + this.atomic_rmw_op(args, dest, AtomicOp::MirOp(BinOp::BitXor, false), rw_ord(ord))?, ["and", ord] => - this.atomic_rmw_op(args, dest, AtomicOp::MirOp(BinOp::BitAnd, false), rw_ord(ord)?)?, + this.atomic_rmw_op(args, dest, AtomicOp::MirOp(BinOp::BitAnd, false), rw_ord(ord))?, ["nand", ord] => - this.atomic_rmw_op(args, dest, AtomicOp::MirOp(BinOp::BitAnd, true), rw_ord(ord)?)?, + this.atomic_rmw_op(args, dest, AtomicOp::MirOp(BinOp::BitAnd, true), rw_ord(ord))?, ["xadd", ord] => - this.atomic_rmw_op(args, dest, AtomicOp::MirOp(BinOp::Add, false), rw_ord(ord)?)?, + this.atomic_rmw_op(args, dest, AtomicOp::MirOp(BinOp::Add, false), rw_ord(ord))?, ["xsub", ord] => - this.atomic_rmw_op(args, dest, AtomicOp::MirOp(BinOp::Sub, false), rw_ord(ord)?)?, + this.atomic_rmw_op(args, dest, AtomicOp::MirOp(BinOp::Sub, false), rw_ord(ord))?, ["min", ord] => { // Later we will use the type to indicate signed vs unsigned, // so make sure it matches the intrinsic name. assert!(matches!(args[1].layout.ty.kind(), ty::Int(_))); - this.atomic_rmw_op(args, dest, AtomicOp::Min, rw_ord(ord)?)?; + this.atomic_rmw_op(args, dest, AtomicOp::Min, rw_ord(ord))?; } ["umin", ord] => { // Later we will use the type to indicate signed vs unsigned, // so make sure it matches the intrinsic name. assert!(matches!(args[1].layout.ty.kind(), ty::Uint(_))); - this.atomic_rmw_op(args, dest, AtomicOp::Min, rw_ord(ord)?)?; + this.atomic_rmw_op(args, dest, AtomicOp::Min, rw_ord(ord))?; } ["max", ord] => { // Later we will use the type to indicate signed vs unsigned, // so make sure it matches the intrinsic name. assert!(matches!(args[1].layout.ty.kind(), ty::Int(_))); - this.atomic_rmw_op(args, dest, AtomicOp::Max, rw_ord(ord)?)?; + this.atomic_rmw_op(args, dest, AtomicOp::Max, rw_ord(ord))?; } ["umax", ord] => { // Later we will use the type to indicate signed vs unsigned, // so make sure it matches the intrinsic name. assert!(matches!(args[1].layout.ty.kind(), ty::Uint(_))); - this.atomic_rmw_op(args, dest, AtomicOp::Max, rw_ord(ord)?)?; + this.atomic_rmw_op(args, dest, AtomicOp::Max, rw_ord(ord))?; } _ => return Ok(EmulateItemResult::NotSupported), diff --git a/src/tools/miri/src/shims/x86/avx2.rs b/src/tools/miri/src/shims/x86/avx2.rs index bbde5b49588c..adecf7b89240 100644 --- a/src/tools/miri/src/shims/x86/avx2.rs +++ b/src/tools/miri/src/shims/x86/avx2.rs @@ -81,7 +81,7 @@ pub(super) trait EvalContextExt<'mir, 'tcx: 'mir>: let scale = this.read_scalar(scale)?.to_i8()?; if !matches!(scale, 1 | 2 | 4 | 8) { - throw_unsup_format!("invalid gather scale {scale}"); + panic!("invalid gather scale {scale}"); } let scale = i64::from(scale); diff --git a/src/tools/miri/src/shims/x86/mod.rs b/src/tools/miri/src/shims/x86/mod.rs index e519fa5508d2..58d6db1886a1 100644 --- a/src/tools/miri/src/shims/x86/mod.rs +++ b/src/tools/miri/src/shims/x86/mod.rs @@ -200,7 +200,7 @@ impl FloatBinOp { ) -> InterpResult<'tcx, Self> { // Only bits 0..=4 are used, remaining should be zero. if imm & !0b1_1111 != 0 { - throw_unsup_format!("invalid `imm` parameter of {intrinsic}: 0x{imm:x}"); + panic!("invalid `imm` parameter of {intrinsic}: 0x{imm:x}"); } // Bit 4 specifies whether the operation is quiet or signaling, which // we do not care in Miri. @@ -683,7 +683,7 @@ fn rounding_from_imm<'tcx>(rounding: i32) -> InterpResult<'tcx, rustc_apfloat::R // SSE status register. Since we do not support modifying it from // Miri (or Rust), we assume it to be at its default mode (round-to-nearest). 0b100..=0b111 => Ok(rustc_apfloat::Round::NearestTiesToEven), - rounding => throw_unsup_format!("unsupported rounding mode 0x{rounding:02x}"), + rounding => panic!("invalid rounding mode 0x{rounding:02x}"), } } From 99c6b2e604125f99bd7e66326dcf1f31a81febac Mon Sep 17 00:00:00 2001 From: Luv-Ray Date: Mon, 13 May 2024 16:17:56 +0800 Subject: [PATCH 0120/1716] Give `FileDescription::{read, write}` access to the `InterpCx` --- src/tools/miri/src/shims/unix/fd.rs | 37 ++++++++++++------- src/tools/miri/src/shims/unix/fs.rs | 5 +-- .../miri/src/shims/unix/linux/eventfd.rs | 5 +-- 3 files changed, 28 insertions(+), 19 deletions(-) diff --git a/src/tools/miri/src/shims/unix/fd.rs b/src/tools/miri/src/shims/unix/fd.rs index a53cd607ef06..8159960f8268 100644 --- a/src/tools/miri/src/shims/unix/fd.rs +++ b/src/tools/miri/src/shims/unix/fd.rs @@ -7,7 +7,6 @@ use std::collections::BTreeMap; use std::io::{self, ErrorKind, IsTerminal, Read, SeekFrom, Write}; use std::rc::Rc; -use rustc_middle::ty::TyCtxt; use rustc_target::abi::Size; use crate::shims::unix::*; @@ -22,7 +21,7 @@ pub trait FileDescription: std::fmt::Debug + Any { &mut self, _communicate_allowed: bool, _bytes: &mut [u8], - _tcx: TyCtxt<'tcx>, + _ecx: &mut MiriInterpCx<'_, 'tcx>, ) -> InterpResult<'tcx, io::Result> { throw_unsup_format!("cannot read from {}", self.name()); } @@ -32,7 +31,7 @@ pub trait FileDescription: std::fmt::Debug + Any { &mut self, _communicate_allowed: bool, _bytes: &[u8], - _tcx: TyCtxt<'tcx>, + _ecx: &mut MiriInterpCx<'_, 'tcx>, ) -> InterpResult<'tcx, io::Result> { throw_unsup_format!("cannot write to {}", self.name()); } @@ -82,7 +81,7 @@ impl FileDescription for io::Stdin { &mut self, communicate_allowed: bool, bytes: &mut [u8], - _tcx: TyCtxt<'tcx>, + _ecx: &mut MiriInterpCx<'_, 'tcx>, ) -> InterpResult<'tcx, io::Result> { if !communicate_allowed { // We want isolation mode to be deterministic, so we have to disallow all reads, even stdin. @@ -105,7 +104,7 @@ impl FileDescription for io::Stdout { &mut self, _communicate_allowed: bool, bytes: &[u8], - _tcx: TyCtxt<'tcx>, + _ecx: &mut MiriInterpCx<'_, 'tcx>, ) -> InterpResult<'tcx, io::Result> { // We allow writing to stderr even with isolation enabled. let result = Write::write(self, bytes); @@ -133,7 +132,7 @@ impl FileDescription for io::Stderr { &mut self, _communicate_allowed: bool, bytes: &[u8], - _tcx: TyCtxt<'tcx>, + _ecx: &mut MiriInterpCx<'_, 'tcx>, ) -> InterpResult<'tcx, io::Result> { // We allow writing to stderr even with isolation enabled. // No need to flush, stderr is not buffered. @@ -158,7 +157,7 @@ impl FileDescription for NullOutput { &mut self, _communicate_allowed: bool, bytes: &[u8], - _tcx: TyCtxt<'tcx>, + _ecx: &mut MiriInterpCx<'_, 'tcx>, ) -> InterpResult<'tcx, io::Result> { // We just don't write anything, but report to the user that we did. Ok(Ok(bytes.len())) @@ -173,6 +172,14 @@ impl FileDescriptor { FileDescriptor(Rc::new(RefCell::new(Box::new(fd)))) } + pub fn borrow(&self) -> Ref<'_, dyn FileDescription> { + Ref::map(self.0.borrow(), |fd| fd.as_ref()) + } + + pub fn borrow_mut(&self) -> RefMut<'_, dyn FileDescription> { + RefMut::map(self.0.borrow_mut(), |fd| fd.as_mut()) + } + pub fn close<'ctx>(self, communicate_allowed: bool) -> InterpResult<'ctx, io::Result<()>> { // Destroy this `Rc` using `into_inner` so we can call `close` instead of // implicitly running the destructor of the file description. @@ -242,12 +249,12 @@ impl FdTable { pub fn get(&self, fd: i32) -> Option> { let fd = self.fds.get(&fd)?; - Some(Ref::map(fd.0.borrow(), |fd| fd.as_ref())) + Some(fd.borrow()) } pub fn get_mut(&self, fd: i32) -> Option> { let fd = self.fds.get(&fd)?; - Some(RefMut::map(fd.0.borrow_mut(), |fd| fd.as_mut())) + Some(fd.borrow_mut()) } pub fn dup(&self, fd: i32) -> Option { @@ -370,7 +377,8 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { .min(u64::try_from(isize::MAX).unwrap()); let communicate = this.machine.communicate(); - let Some(mut file_descriptor) = this.machine.fds.get_mut(fd) else { + // We temporarily dup the FD to be able to retain mutable access to `this`. + let Some(file_descriptor) = this.machine.fds.dup(fd) else { trace!("read: FD not found"); return this.fd_not_found(); }; @@ -383,7 +391,8 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { // `File::read` never returns a value larger than `count`, // so this cannot fail. let result = file_descriptor - .read(communicate, &mut bytes, *this.tcx)? + .borrow_mut() + .read(communicate, &mut bytes, this)? .map(|c| i64::try_from(c).unwrap()); drop(file_descriptor); @@ -421,12 +430,14 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let communicate = this.machine.communicate(); let bytes = this.read_bytes_ptr_strip_provenance(buf, Size::from_bytes(count))?.to_owned(); - let Some(mut file_descriptor) = this.machine.fds.get_mut(fd) else { + // We temporarily dup the FD to be able to retain mutable access to `this`. + let Some(file_descriptor) = this.machine.fds.dup(fd) else { return this.fd_not_found(); }; let result = file_descriptor - .write(communicate, &bytes, *this.tcx)? + .borrow_mut() + .write(communicate, &bytes, this)? .map(|c| i64::try_from(c).unwrap()); drop(file_descriptor); diff --git a/src/tools/miri/src/shims/unix/fs.rs b/src/tools/miri/src/shims/unix/fs.rs index eb241556a569..82bc49536b0c 100644 --- a/src/tools/miri/src/shims/unix/fs.rs +++ b/src/tools/miri/src/shims/unix/fs.rs @@ -9,7 +9,6 @@ use std::path::{Path, PathBuf}; use std::time::SystemTime; use rustc_data_structures::fx::FxHashMap; -use rustc_middle::ty::TyCtxt; use rustc_target::abi::Size; use crate::shims::os_str::bytes_to_os_str; @@ -34,7 +33,7 @@ impl FileDescription for FileHandle { &mut self, communicate_allowed: bool, bytes: &mut [u8], - _tcx: TyCtxt<'tcx>, + _ecx: &mut MiriInterpCx<'_, 'tcx>, ) -> InterpResult<'tcx, io::Result> { assert!(communicate_allowed, "isolation should have prevented even opening a file"); Ok(self.file.read(bytes)) @@ -44,7 +43,7 @@ impl FileDescription for FileHandle { &mut self, communicate_allowed: bool, bytes: &[u8], - _tcx: TyCtxt<'tcx>, + _ecx: &mut MiriInterpCx<'_, 'tcx>, ) -> InterpResult<'tcx, io::Result> { assert!(communicate_allowed, "isolation should have prevented even opening a file"); Ok(self.file.write(bytes)) diff --git a/src/tools/miri/src/shims/unix/linux/eventfd.rs b/src/tools/miri/src/shims/unix/linux/eventfd.rs index a865f2efff95..f31c2bb84aee 100644 --- a/src/tools/miri/src/shims/unix/linux/eventfd.rs +++ b/src/tools/miri/src/shims/unix/linux/eventfd.rs @@ -2,7 +2,6 @@ //! Currently just a stub. use std::io; -use rustc_middle::ty::TyCtxt; use rustc_target::abi::Endian; use crate::shims::unix::*; @@ -52,11 +51,11 @@ impl FileDescription for Event { &mut self, _communicate_allowed: bool, bytes: &[u8], - tcx: TyCtxt<'tcx>, + ecx: &mut MiriInterpCx<'_, 'tcx>, ) -> InterpResult<'tcx, io::Result> { let bytes: [u8; 8] = bytes.try_into().unwrap(); // FIXME fail gracefully when this has the wrong size // Convert from target endianness to host endianness. - let num = match tcx.sess.target.endian { + let num = match ecx.tcx.sess.target.endian { Endian::Little => u64::from_le_bytes(bytes), Endian::Big => u64::from_be_bytes(bytes), }; From 012a458dcabc6438ee070c074435860690475370 Mon Sep 17 00:00:00 2001 From: Gurinder Singh Date: Mon, 13 May 2024 17:42:44 +0530 Subject: [PATCH 0121/1716] Suggest removing unused tuple fields if they are the last fields --- compiler/rustc_passes/messages.ftl | 9 +++ compiler/rustc_passes/src/dead.rs | 56 +++++++++++++++---- compiler/rustc_passes/src/errors.rs | 19 +++++-- tests/ui/lint/dead-code/tuple-struct-field.rs | 35 +++++++----- .../lint/dead-code/tuple-struct-field.stderr | 39 +++++++------ 5 files changed, 111 insertions(+), 47 deletions(-) diff --git a/compiler/rustc_passes/messages.ftl b/compiler/rustc_passes/messages.ftl index a545c170297d..70d314913d2a 100644 --- a/compiler/rustc_passes/messages.ftl +++ b/compiler/rustc_passes/messages.ftl @@ -597,6 +597,15 @@ passes_pass_by_value = passes_proc_macro_bad_sig = {$kind} has incorrect signature +passes_remove_fields = + consider removing { $num -> + [one] this + *[other] these + } { $num -> + [one] field + *[other] fields + } + passes_repr_conflicting = conflicting representation hints diff --git a/compiler/rustc_passes/src/dead.rs b/compiler/rustc_passes/src/dead.rs index 51f288b3c959..f977f90e8ace 100644 --- a/compiler/rustc_passes/src/dead.rs +++ b/compiler/rustc_passes/src/dead.rs @@ -23,8 +23,7 @@ use rustc_target::abi::FieldIdx; use std::mem; use crate::errors::{ - ChangeFieldsToBeOfUnitType, IgnoredDerivedImpls, MultipleDeadCodes, ParentInfo, - UselessAssignment, + ChangeFields, IgnoredDerivedImpls, MultipleDeadCodes, ParentInfo, UselessAssignment, }; // Any local node that may call something in its body block should be @@ -993,17 +992,50 @@ impl<'tcx> DeadVisitor<'tcx> { }; let diag = match report_on { - ReportOn::TupleField => MultipleDeadCodes::UnusedTupleStructFields { - multiple, - num, - descr, - participle, - name_list, - change_fields_suggestion: ChangeFieldsToBeOfUnitType { num, spans: spans.clone() }, - parent_info, - ignored_derived_impls, - }, + ReportOn::TupleField => { + let tuple_fields = if let Some(parent_id) = parent_item + && let node = tcx.hir_node_by_def_id(parent_id) + && let hir::Node::Item(hir::Item { + kind: hir::ItemKind::Struct(hir::VariantData::Tuple(fields, _, _), _), + .. + }) = node + { + *fields + } else { + &[] + }; + let trailing_tuple_fields = if tuple_fields.len() >= dead_codes.len() { + LocalDefIdSet::from_iter( + tuple_fields + .iter() + .skip(tuple_fields.len() - dead_codes.len()) + .map(|f| f.def_id), + ) + } else { + LocalDefIdSet::default() + }; + + let fields_suggestion = + // Suggest removal if all tuple fields are at the end. + // Otherwise suggest removal or changing to unit type + if dead_codes.iter().all(|dc| trailing_tuple_fields.contains(&dc.def_id)) { + ChangeFields::Remove { num } + } else { + ChangeFields::ChangeToUnitTypeOrRemove { num, spans: spans.clone() } + }; + + MultipleDeadCodes::UnusedTupleStructFields { + multiple, + num, + descr, + participle, + name_list, + change_fields_suggestion: fields_suggestion, + parent_info, + ignored_derived_impls, + } + } ReportOn::NamedField => MultipleDeadCodes::DeadCodes { multiple, num, diff --git a/compiler/rustc_passes/src/errors.rs b/compiler/rustc_passes/src/errors.rs index 03a607348e88..a590ef8f3a1e 100644 --- a/compiler/rustc_passes/src/errors.rs +++ b/compiler/rustc_passes/src/errors.rs @@ -1589,7 +1589,7 @@ pub enum MultipleDeadCodes<'tcx> { participle: &'tcx str, name_list: DiagSymbolList, #[subdiagnostic] - change_fields_suggestion: ChangeFieldsToBeOfUnitType, + change_fields_suggestion: ChangeFields, #[subdiagnostic] parent_info: Option>, #[subdiagnostic] @@ -1616,11 +1616,18 @@ pub struct IgnoredDerivedImpls { } #[derive(Subdiagnostic)] -#[multipart_suggestion(passes_change_fields_to_be_of_unit_type, applicability = "has-placeholders")] -pub struct ChangeFieldsToBeOfUnitType { - pub num: usize, - #[suggestion_part(code = "()")] - pub spans: Vec, +pub enum ChangeFields { + #[multipart_suggestion( + passes_change_fields_to_be_of_unit_type, + applicability = "has-placeholders" + )] + ChangeToUnitTypeOrRemove { + num: usize, + #[suggestion_part(code = "()")] + spans: Vec, + }, + #[help(passes_remove_fields)] + Remove { num: usize }, } #[derive(Diagnostic)] diff --git a/tests/ui/lint/dead-code/tuple-struct-field.rs b/tests/ui/lint/dead-code/tuple-struct-field.rs index d13fe029289a..ff3da4105000 100644 --- a/tests/ui/lint/dead-code/tuple-struct-field.rs +++ b/tests/ui/lint/dead-code/tuple-struct-field.rs @@ -5,15 +5,20 @@ use std::marker::PhantomData; const LEN: usize = 4; -struct SingleUnused(i32, [u8; LEN], String); -//~^ ERROR: field `1` is never read -//~| NOTE: field in this struct -//~| HELP: consider changing the field to be of unit type - -struct MultipleUnused(i32, f32, String, u8); -//~^ ERROR: fields `0`, `1`, `2`, and `3` are never read +struct UnusedAtTheEnd(i32, f32, [u8; LEN], String, u8); +//~^ ERROR:fields `1`, `2`, `3`, and `4` are never read //~| NOTE: fields in this struct -//~| HELP: consider changing the fields to be of unit type +//~| HELP: consider removing these fields + +struct UnusedJustOneField(i32); +//~^ ERROR: field `0` is never read +//~| NOTE: field in this struct +//~| HELP: consider removing this field + +struct UnusedInTheMiddle(i32, f32, String, u8, u32); +//~^ ERROR: fields `1`, `2`, and `4` are never read +//~| NOTE: fields in this struct +//~| HELP: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields struct GoodUnit(()); @@ -23,15 +28,19 @@ struct Void; struct GoodVoid(Void); fn main() { - let w = SingleUnused(42, [0, 1, 2, 3], "abc".to_string()); - let _ = w.0; - let _ = w.2; + let u1 = UnusedAtTheEnd(42, 3.14, [0, 1, 2, 3], "def".to_string(), 4u8); + let _ = u1.0; + + let _ = UnusedJustOneField(42); + + let u2 = UnusedInTheMiddle(42, 3.14, "def".to_string(), 4u8, 5); + let _ = u2.0; + let _ = u2.3; - let m = MultipleUnused(42, 3.14, "def".to_string(), 4u8); let gu = GoodUnit(()); let gp = GoodPhantom(PhantomData); let gv = GoodVoid(Void); - let _ = (gu, gp, gv, m); + let _ = (gu, gp, gv); } diff --git a/tests/ui/lint/dead-code/tuple-struct-field.stderr b/tests/ui/lint/dead-code/tuple-struct-field.stderr index 0154d5489f9f..434554d7ae5e 100644 --- a/tests/ui/lint/dead-code/tuple-struct-field.stderr +++ b/tests/ui/lint/dead-code/tuple-struct-field.stderr @@ -1,33 +1,40 @@ -error: field `1` is never read - --> $DIR/tuple-struct-field.rs:8:26 +error: fields `1`, `2`, `3`, and `4` are never read + --> $DIR/tuple-struct-field.rs:8:28 | -LL | struct SingleUnused(i32, [u8; LEN], String); - | ------------ ^^^^^^^^^ +LL | struct UnusedAtTheEnd(i32, f32, [u8; LEN], String, u8); + | -------------- ^^^ ^^^^^^^^^ ^^^^^^ ^^ | | - | field in this struct + | fields in this struct | + = help: consider removing these fields note: the lint level is defined here --> $DIR/tuple-struct-field.rs:1:9 | LL | #![deny(dead_code)] | ^^^^^^^^^ -help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field - | -LL | struct SingleUnused(i32, (), String); - | ~~ -error: fields `0`, `1`, `2`, and `3` are never read - --> $DIR/tuple-struct-field.rs:13:23 +error: field `0` is never read + --> $DIR/tuple-struct-field.rs:13:27 | -LL | struct MultipleUnused(i32, f32, String, u8); - | -------------- ^^^ ^^^ ^^^^^^ ^^ +LL | struct UnusedJustOneField(i32); + | ------------------ ^^^ + | | + | field in this struct + | + = help: consider removing this field + +error: fields `1`, `2`, and `4` are never read + --> $DIR/tuple-struct-field.rs:18:31 + | +LL | struct UnusedInTheMiddle(i32, f32, String, u8, u32); + | ----------------- ^^^ ^^^^^^ ^^^ | | | fields in this struct | help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields | -LL | struct MultipleUnused((), (), (), ()); - | ~~ ~~ ~~ ~~ +LL | struct UnusedInTheMiddle(i32, (), (), u8, ()); + | ~~ ~~ ~~ -error: aborting due to 2 previous errors +error: aborting due to 3 previous errors From 700b3ea61ba2a37876af0a5d2d2f991aba5c7000 Mon Sep 17 00:00:00 2001 From: Tobias Bucher Date: Mon, 13 May 2024 14:22:45 +0200 Subject: [PATCH 0122/1716] Panic if `PathBuf::set_extension` would add a path separator This is likely never intended and potentially a security vulnerability if it happens. I'd guess that it's mostly literal strings that are passed to this function in practice, so I'm guessing this doesn't break anyone. CC #125060 --- library/std/src/path.rs | 13 +++++++++++++ library/std/src/path/tests.rs | 23 +++++++++++++++++++++++ 2 files changed, 36 insertions(+) diff --git a/library/std/src/path.rs b/library/std/src/path.rs index 79d800ff0729..acf23d976177 100644 --- a/library/std/src/path.rs +++ b/library/std/src/path.rs @@ -1425,6 +1425,11 @@ impl PathBuf { /// If `extension` is the empty string, [`self.extension`] will be [`None`] /// afterwards, not `Some("")`. /// + /// # Panics + /// + /// Panics if the passed extension contains a path separator (see + /// [`is_separator`]). + /// /// # Caveats /// /// The new `extension` may contain dots and will be used in its entirety, @@ -1470,6 +1475,14 @@ impl PathBuf { } fn _set_extension(&mut self, extension: &OsStr) -> bool { + for &b in extension.as_encoded_bytes() { + if b < 128 { + if is_separator(b as char) { + panic!("extension cannot contain path separators: {:?}", extension); + } + } + } + let file_stem = match self.file_stem() { None => return false, Some(f) => f.as_encoded_bytes(), diff --git a/library/std/src/path/tests.rs b/library/std/src/path/tests.rs index fde6ed4f0c05..2d8e50d1f88e 100644 --- a/library/std/src/path/tests.rs +++ b/library/std/src/path/tests.rs @@ -1803,6 +1803,29 @@ fn test_windows_absolute() { assert_eq!(absolute(r"COM1").unwrap().as_os_str(), Path::new(r"\\.\COM1").as_os_str()); } +#[test] +#[should_panic = "path separator"] +fn test_extension_path_sep() { + let mut path = PathBuf::from("path/to/file"); + path.set_extension("d/../../../../../etc/passwd"); +} + +#[test] +#[should_panic = "path separator"] +#[cfg(windows)] +fn test_extension_path_sep_alternate() { + let mut path = PathBuf::from("path/to/file"); + path.set_extension("d\\test"); +} + +#[test] +#[cfg(not(windows))] +fn test_extension_path_sep_alternate() { + let mut path = PathBuf::from("path/to/file"); + path.set_extension("d\\test"); + assert_eq!(path, Path::new("path/to/file.d\\test")); +} + #[bench] #[cfg_attr(miri, ignore)] // Miri isn't fast... fn bench_path_cmp_fast_path_buf_sort(b: &mut test::Bencher) { From a5a60d75a87881f79deea115d7cd002ce3373fd5 Mon Sep 17 00:00:00 2001 From: Josh Triplett Date: Thu, 28 Mar 2024 14:30:32 +0000 Subject: [PATCH 0123/1716] Add `size_of`, `size_of_val`, `align_of`, and `align_of_val` to the prelude Many, many projects use `size_of` to get the size of a type. However, it's also often equally easy to hardcode a size (e.g. `8` instead of `size_of::()`). Minimizing friction in the use of `size_of` helps ensure that people use it and make code more self-documenting. The name `size_of` is unambiguous: the name alone, without any prefix or path, is self-explanatory and unmistakeable for any other functionality. Adding it to the prelude cannot produce any name conflicts, as any local definition will silently shadow the one from the prelude. Thus, we don't need to wait for a new edition prelude to add it. Add `size_of_val`, `align_of`, and `align_of_val` as well, with similar justification: widely useful, self-explanatory, unmistakeable for anything else, won't produce conflicts. --- compiler/rustc_middle/src/query/erase.rs | 2 +- library/alloc/src/rc.rs | 2 -- library/alloc/src/sync.rs | 2 -- library/core/src/cell.rs | 2 +- library/core/src/intrinsics.rs | 1 - library/core/src/prelude/common.rs | 3 +++ library/core/src/ptr/mod.rs | 2 +- library/core/src/slice/raw.rs | 1 - library/core/src/sync/atomic.rs | 3 --- .../crates/core_simd/src/simd/ptr/const_ptr.rs | 2 +- .../crates/core_simd/src/simd/ptr/mut_ptr.rs | 2 +- library/proc_macro/src/bridge/fxhash.rs | 1 - library/std/src/io/error/repr_bitpacked.rs | 1 - library/std/src/os/unix/net/ancillary.rs | 2 +- library/std/src/prelude/common.rs | 3 +++ library/std/src/prelude/mod.rs | 4 ++++ tests/ui/resolve/filter-intrinsics.rs | 4 ++-- tests/ui/resolve/filter-intrinsics.stderr | 8 ++++---- 18 files changed, 22 insertions(+), 23 deletions(-) diff --git a/compiler/rustc_middle/src/query/erase.rs b/compiler/rustc_middle/src/query/erase.rs index 320d49ea6467..a4ab6bc7d9de 100644 --- a/compiler/rustc_middle/src/query/erase.rs +++ b/compiler/rustc_middle/src/query/erase.rs @@ -4,7 +4,7 @@ use crate::traits; use crate::ty::adjustment::CoerceUnsizedInfo; use crate::ty::{self, Ty}; use std::intrinsics::transmute_unchecked; -use std::mem::{size_of, MaybeUninit}; +use std::mem::MaybeUninit; #[derive(Copy, Clone)] pub struct Erased { diff --git a/library/alloc/src/rc.rs b/library/alloc/src/rc.rs index 45b205356758..52b91c5ac887 100644 --- a/library/alloc/src/rc.rs +++ b/library/alloc/src/rc.rs @@ -257,8 +257,6 @@ use core::intrinsics::abort; #[cfg(not(no_global_oom_handling))] use core::iter; use core::marker::{PhantomData, Unsize}; -#[cfg(not(no_global_oom_handling))] -use core::mem::size_of_val; use core::mem::{self, align_of_val_raw, forget, ManuallyDrop}; use core::ops::{CoerceUnsized, Deref, DerefMut, DerefPure, DispatchFromDyn, Receiver}; use core::panic::{RefUnwindSafe, UnwindSafe}; diff --git a/library/alloc/src/sync.rs b/library/alloc/src/sync.rs index a35c99849b34..d7c3a261fe40 100644 --- a/library/alloc/src/sync.rs +++ b/library/alloc/src/sync.rs @@ -18,8 +18,6 @@ use core::intrinsics::abort; #[cfg(not(no_global_oom_handling))] use core::iter; use core::marker::{PhantomData, Unsize}; -#[cfg(not(no_global_oom_handling))] -use core::mem::size_of_val; use core::mem::{self, align_of_val_raw}; use core::ops::{CoerceUnsized, Deref, DerefPure, DispatchFromDyn, Receiver}; use core::panic::{RefUnwindSafe, UnwindSafe}; diff --git a/library/core/src/cell.rs b/library/core/src/cell.rs index 4b491ffdafa7..dd6466d6285b 100644 --- a/library/core/src/cell.rs +++ b/library/core/src/cell.rs @@ -238,7 +238,7 @@ use crate::cmp::Ordering; use crate::fmt::{self, Debug, Display}; use crate::marker::{PhantomData, Unsize}; -use crate::mem::{self, size_of}; +use crate::mem; use crate::ops::{CoerceUnsized, Deref, DerefMut, DerefPure, DispatchFromDyn}; use crate::ptr::{self, NonNull}; diff --git a/library/core/src/intrinsics.rs b/library/core/src/intrinsics.rs index d1450bf12ce7..56c998d99f25 100644 --- a/library/core/src/intrinsics.rs +++ b/library/core/src/intrinsics.rs @@ -65,7 +65,6 @@ use crate::marker::DiscriminantKind; use crate::marker::Tuple; -use crate::mem::align_of; use crate::ptr; use crate::ub_checks; diff --git a/library/core/src/prelude/common.rs b/library/core/src/prelude/common.rs index afc6817aa1d2..2a0331ef7b27 100644 --- a/library/core/src/prelude/common.rs +++ b/library/core/src/prelude/common.rs @@ -14,6 +14,9 @@ pub use crate::ops::{Drop, Fn, FnMut, FnOnce}; #[stable(feature = "core_prelude", since = "1.4.0")] #[doc(no_inline)] pub use crate::mem::drop; +#[stable(feature = "size_of_prelude", since = "CURRENT_RUSTC_VERSION")] +#[doc(no_inline)] +pub use crate::mem::{align_of, align_of_val, size_of, size_of_val}; // Re-exported types and traits #[stable(feature = "core_prelude", since = "1.4.0")] diff --git a/library/core/src/ptr/mod.rs b/library/core/src/ptr/mod.rs index 8d7192c1b0fd..3258e338e837 100644 --- a/library/core/src/ptr/mod.rs +++ b/library/core/src/ptr/mod.rs @@ -392,7 +392,7 @@ use crate::intrinsics; use crate::marker::FnPtr; use crate::ub_checks; -use crate::mem::{self, align_of, size_of, MaybeUninit}; +use crate::mem::{self, MaybeUninit}; mod alignment; #[unstable(feature = "ptr_alignment_type", issue = "102070")] diff --git a/library/core/src/slice/raw.rs b/library/core/src/slice/raw.rs index 29a12f106c5e..3f4305866e68 100644 --- a/library/core/src/slice/raw.rs +++ b/library/core/src/slice/raw.rs @@ -1,7 +1,6 @@ //! Free functions to create `&[T]` and `&mut [T]`. use crate::array; -use crate::mem::{align_of, size_of}; use crate::ops::Range; use crate::ptr; use crate::ub_checks; diff --git a/library/core/src/sync/atomic.rs b/library/core/src/sync/atomic.rs index 232ec589093d..482bd19705c2 100644 --- a/library/core/src/sync/atomic.rs +++ b/library/core/src/sync/atomic.rs @@ -1296,7 +1296,6 @@ impl AtomicPtr { #[cfg(target_has_atomic_equal_alignment = "ptr")] #[unstable(feature = "atomic_from_mut", issue = "76314")] pub fn from_mut(v: &mut *mut T) -> &mut Self { - use crate::mem::align_of; let [] = [(); align_of::>() - align_of::<*mut ()>()]; // SAFETY: // - the mutable reference guarantees unique ownership. @@ -2286,7 +2285,6 @@ macro_rules! atomic_int { #[$cfg_align] #[unstable(feature = "atomic_from_mut", issue = "76314")] pub fn from_mut(v: &mut $int_type) -> &mut Self { - use crate::mem::align_of; let [] = [(); align_of::() - align_of::<$int_type>()]; // SAFETY: // - the mutable reference guarantees unique ownership. @@ -2354,7 +2352,6 @@ macro_rules! atomic_int { #[$cfg_align] #[unstable(feature = "atomic_from_mut", issue = "76314")] pub fn from_mut_slice(v: &mut [$int_type]) -> &mut [Self] { - use crate::mem::align_of; let [] = [(); align_of::() - align_of::<$int_type>()]; // SAFETY: // - the mutable reference guarantees unique ownership. diff --git a/library/portable-simd/crates/core_simd/src/simd/ptr/const_ptr.rs b/library/portable-simd/crates/core_simd/src/simd/ptr/const_ptr.rs index 0f1719206c9c..cbffbc564cfe 100644 --- a/library/portable-simd/crates/core_simd/src/simd/ptr/const_ptr.rs +++ b/library/portable-simd/crates/core_simd/src/simd/ptr/const_ptr.rs @@ -96,7 +96,7 @@ where fn cast(self) -> Self::CastPtr { // SimdElement currently requires zero-sized metadata, so this should never fail. // If this ever changes, `simd_cast_ptr` should produce a post-mono error. - use core::{mem::size_of, ptr::Pointee}; + use core::ptr::Pointee; assert_eq!(size_of::<::Metadata>(), 0); assert_eq!(size_of::<::Metadata>(), 0); diff --git a/library/portable-simd/crates/core_simd/src/simd/ptr/mut_ptr.rs b/library/portable-simd/crates/core_simd/src/simd/ptr/mut_ptr.rs index 7ba996d149c0..6bc6ca3ac42d 100644 --- a/library/portable-simd/crates/core_simd/src/simd/ptr/mut_ptr.rs +++ b/library/portable-simd/crates/core_simd/src/simd/ptr/mut_ptr.rs @@ -93,7 +93,7 @@ where fn cast(self) -> Self::CastPtr { // SimdElement currently requires zero-sized metadata, so this should never fail. // If this ever changes, `simd_cast_ptr` should produce a post-mono error. - use core::{mem::size_of, ptr::Pointee}; + use core::ptr::Pointee; assert_eq!(size_of::<::Metadata>(), 0); assert_eq!(size_of::<::Metadata>(), 0); diff --git a/library/proc_macro/src/bridge/fxhash.rs b/library/proc_macro/src/bridge/fxhash.rs index f4e905441972..0923493d06c7 100644 --- a/library/proc_macro/src/bridge/fxhash.rs +++ b/library/proc_macro/src/bridge/fxhash.rs @@ -7,7 +7,6 @@ use std::collections::HashMap; use std::hash::BuildHasherDefault; use std::hash::Hasher; -use std::mem::size_of; use std::ops::BitXor; /// Type alias for a hashmap using the `fx` hash algorithm. diff --git a/library/std/src/io/error/repr_bitpacked.rs b/library/std/src/io/error/repr_bitpacked.rs index 6f8d5e377756..c9d3934ad70c 100644 --- a/library/std/src/io/error/repr_bitpacked.rs +++ b/library/std/src/io/error/repr_bitpacked.rs @@ -104,7 +104,6 @@ use super::{Custom, ErrorData, ErrorKind, RawOsError, SimpleMessage}; use core::marker::PhantomData; -use core::mem::{align_of, size_of}; use core::ptr::{self, NonNull}; // The 2 least-significant bits are used as tag. diff --git a/library/std/src/os/unix/net/ancillary.rs b/library/std/src/os/unix/net/ancillary.rs index 0597fdcbd728..fe8e2be93724 100644 --- a/library/std/src/os/unix/net/ancillary.rs +++ b/library/std/src/os/unix/net/ancillary.rs @@ -3,7 +3,7 @@ use super::{sockaddr_un, SocketAddr}; use crate::io::{self, IoSlice, IoSliceMut}; use crate::marker::PhantomData; -use crate::mem::{size_of, zeroed}; +use crate::mem::zeroed; use crate::os::unix::io::RawFd; use crate::path::Path; use crate::ptr::{eq, read_unaligned}; diff --git a/library/std/src/prelude/common.rs b/library/std/src/prelude/common.rs index 01936734d754..ceee3e33c3ef 100644 --- a/library/std/src/prelude/common.rs +++ b/library/std/src/prelude/common.rs @@ -14,6 +14,9 @@ pub use crate::ops::{Drop, Fn, FnMut, FnOnce}; #[stable(feature = "rust1", since = "1.0.0")] #[doc(no_inline)] pub use crate::mem::drop; +#[stable(feature = "size_of_prelude", since = "CURRENT_RUSTC_VERSION")] +#[doc(no_inline)] +pub use crate::mem::{align_of, align_of_val, size_of, size_of_val}; // Re-exported types and traits #[stable(feature = "rust1", since = "1.0.0")] diff --git a/library/std/src/prelude/mod.rs b/library/std/src/prelude/mod.rs index 0bdbab716adb..2d4639342bf8 100644 --- a/library/std/src/prelude/mod.rs +++ b/library/std/src/prelude/mod.rs @@ -36,6 +36,10 @@ //! operations for both destructors and overloading `()`. //! * [std::mem]::[drop], a convenience function for explicitly //! dropping a value. +//! * [std::mem]::{[size_of], [size_of_val]}, to get the size of +//! a type or value. +//! * [std::mem]::{[align_of], [align_of_val]}, to get the +//! alignment of a type or value. //! * [std::boxed]::[Box], a way to allocate values on the heap. //! * [std::borrow]::[ToOwned], the conversion trait that defines //! [`to_owned`], the generic method for creating an owned type from a diff --git a/tests/ui/resolve/filter-intrinsics.rs b/tests/ui/resolve/filter-intrinsics.rs index c0956ef85aff..8d6d22817dc5 100644 --- a/tests/ui/resolve/filter-intrinsics.rs +++ b/tests/ui/resolve/filter-intrinsics.rs @@ -1,6 +1,6 @@ fn main() { - // Should suggest only `std::mem::size_of` - let _ = size_of::(); + // Should suggest only `std::mem::transmute` + let _ = transmute::(); //~^ ERROR cannot find // Should suggest `std::intrinsics::fabsf64`, diff --git a/tests/ui/resolve/filter-intrinsics.stderr b/tests/ui/resolve/filter-intrinsics.stderr index cc1092dd0cfa..9c9e92f6d4f8 100644 --- a/tests/ui/resolve/filter-intrinsics.stderr +++ b/tests/ui/resolve/filter-intrinsics.stderr @@ -1,12 +1,12 @@ -error[E0425]: cannot find function `size_of` in this scope +error[E0425]: cannot find function `transmute` in this scope --> $DIR/filter-intrinsics.rs:3:13 | -LL | let _ = size_of::(); - | ^^^^^^^ not found in this scope +LL | let _ = transmute::(); + | ^^^^^^^^^ not found in this scope | help: consider importing this function | -LL + use std::mem::size_of; +LL + use std::mem::transmute; | error[E0425]: cannot find function `fabsf64` in this scope From 531dae1cdfaea537f7f1d5ff7db6bd2adb4d414a Mon Sep 17 00:00:00 2001 From: bjorn3 <17426603+bjorn3@users.noreply.github.com> Date: Sun, 12 May 2024 14:22:12 +0000 Subject: [PATCH 0124/1716] Only allow immutable statics with #[linkage] --- compiler/rustc_codegen_ssa/src/codegen_attrs.rs | 12 ++++++++++++ tests/ui/issues/issue-33992.rs | 3 --- .../linkage-attr/linkage-attr-mutable-static.rs | 15 +++++++++++++++ .../linkage-attr-mutable-static.stderr | 10 ++++++++++ 4 files changed, 37 insertions(+), 3 deletions(-) create mode 100644 tests/ui/linkage-attr/linkage-attr-mutable-static.rs create mode 100644 tests/ui/linkage-attr/linkage-attr-mutable-static.stderr diff --git a/compiler/rustc_codegen_ssa/src/codegen_attrs.rs b/compiler/rustc_codegen_ssa/src/codegen_attrs.rs index c28b0d644e67..b479b0376684 100644 --- a/compiler/rustc_codegen_ssa/src/codegen_attrs.rs +++ b/compiler/rustc_codegen_ssa/src/codegen_attrs.rs @@ -327,6 +327,18 @@ fn codegen_fn_attrs(tcx: TyCtxt<'_>, did: LocalDefId) -> CodegenFnAttrs { } else { codegen_fn_attrs.linkage = linkage; } + if tcx.is_mutable_static(did.into()) { + let mut diag = tcx.dcx().struct_span_err( + attr.span, + "mutable statics are not allowed with `#[linkage]`", + ); + diag.note( + "making the static mutable would allow changing which symbol the \ + static references rather than make the target of the symbol \ + mutable", + ); + diag.emit(); + } } } sym::link_section => { diff --git a/tests/ui/issues/issue-33992.rs b/tests/ui/issues/issue-33992.rs index 177ff234bb29..495751436e12 100644 --- a/tests/ui/issues/issue-33992.rs +++ b/tests/ui/issues/issue-33992.rs @@ -5,9 +5,6 @@ #![feature(linkage)] -#[linkage = "common"] -pub static mut TEST1: u32 = 0u32; - #[linkage = "external"] pub static TEST2: bool = true; diff --git a/tests/ui/linkage-attr/linkage-attr-mutable-static.rs b/tests/ui/linkage-attr/linkage-attr-mutable-static.rs new file mode 100644 index 000000000000..a7109c6d930b --- /dev/null +++ b/tests/ui/linkage-attr/linkage-attr-mutable-static.rs @@ -0,0 +1,15 @@ +//! The symbols are resolved by the linker. It doesn't make sense to change +//! them at runtime, so deny mutable statics with #[linkage]. + +#![feature(linkage)] + +fn main() { + extern "C" { + #[linkage = "weak"] //~ ERROR mutable statics are not allowed with `#[linkage]` + static mut ABC: *const u8; + } + + unsafe { + assert_eq!(ABC as usize, 0); + } +} diff --git a/tests/ui/linkage-attr/linkage-attr-mutable-static.stderr b/tests/ui/linkage-attr/linkage-attr-mutable-static.stderr new file mode 100644 index 000000000000..4db41b623938 --- /dev/null +++ b/tests/ui/linkage-attr/linkage-attr-mutable-static.stderr @@ -0,0 +1,10 @@ +error: mutable statics are not allowed with `#[linkage]` + --> $DIR/linkage-attr-mutable-static.rs:8:9 + | +LL | #[linkage = "weak"] + | ^^^^^^^^^^^^^^^^^^^ + | + = note: making the static mutable would allow changing which symbol the static references rather than make the target of the symbol mutable + +error: aborting due to 1 previous error + From 760fbdf64ed90e958b6da891c21683a4d4f0bbe2 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Mon, 13 May 2024 10:00:38 -0400 Subject: [PATCH 0125/1716] split out AliasTy -> AliasTerm --- clippy_lints/src/methods/unnecessary_to_owned.rs | 2 +- .../src/needless_borrows_for_generic_args.rs | 13 +++++-------- clippy_lints/src/unit_return_expecting_ord.rs | 2 +- clippy_utils/src/ty.rs | 4 ++-- 4 files changed, 9 insertions(+), 12 deletions(-) diff --git a/clippy_lints/src/methods/unnecessary_to_owned.rs b/clippy_lints/src/methods/unnecessary_to_owned.rs index d3347466be98..ae9aa83efd68 100644 --- a/clippy_lints/src/methods/unnecessary_to_owned.rs +++ b/clippy_lints/src/methods/unnecessary_to_owned.rs @@ -417,7 +417,7 @@ fn get_input_traits_and_projections<'tcx>( } }, ClauseKind::Projection(projection_predicate) => { - if projection_predicate.projection_ty.self_ty() == input { + if projection_predicate.projection_term.self_ty() == input { projection_predicates.push(projection_predicate); } }, diff --git a/clippy_lints/src/needless_borrows_for_generic_args.rs b/clippy_lints/src/needless_borrows_for_generic_args.rs index e6c6a15b8d48..8de5caf32b74 100644 --- a/clippy_lints/src/needless_borrows_for_generic_args.rs +++ b/clippy_lints/src/needless_borrows_for_generic_args.rs @@ -320,11 +320,11 @@ fn is_mixed_projection_predicate<'tcx>( && (term_param_ty.index as usize) < generics.parent_count { // The inner-most self type is a type parameter from the current function. - let mut projection_ty = projection_predicate.projection_ty; + let mut projection_ty = projection_predicate.projection_term; loop { - match projection_ty.self_ty().kind() { + match *projection_ty.self_ty().kind() { ty::Alias(ty::Projection, inner_projection_ty) => { - projection_ty = *inner_projection_ty; + projection_ty = inner_projection_ty.into(); }, ty::Param(param_ty) => { return (param_ty.index as usize) >= generics.parent_count; @@ -404,14 +404,11 @@ fn replace_types<'tcx>( // The `replaced.insert(...)` check provides some protection against infinite loops. if replaced.insert(param_ty.index) { for projection_predicate in projection_predicates { - if projection_predicate.projection_ty.self_ty() == param_ty.to_ty(cx.tcx) + if projection_predicate.projection_term.self_ty() == param_ty.to_ty(cx.tcx) && let Some(term_ty) = projection_predicate.term.ty() && let ty::Param(term_param_ty) = term_ty.kind() { - let projection = cx.tcx.mk_ty_from_kind(ty::Alias( - ty::Projection, - projection_predicate.projection_ty.with_self_ty(cx.tcx, new_ty), - )); + let projection = projection_predicate.projection_term.with_self_ty(cx.tcx, new_ty).expect_ty(cx.tcx).to_ty(cx.tcx); if let Ok(projected_ty) = cx.tcx.try_normalize_erasing_regions(cx.param_env, projection) && args[term_param_ty.index as usize] != GenericArg::from(projected_ty) diff --git a/clippy_lints/src/unit_return_expecting_ord.rs b/clippy_lints/src/unit_return_expecting_ord.rs index 214b69dc9250..f0d1458a59b2 100644 --- a/clippy_lints/src/unit_return_expecting_ord.rs +++ b/clippy_lints/src/unit_return_expecting_ord.rs @@ -66,7 +66,7 @@ fn get_projection_pred<'tcx>( let projection_pred = cx .tcx .instantiate_bound_regions_with_erased(proj_pred.kind().rebind(pred)); - if projection_pred.projection_ty.args == trait_pred.trait_ref.args { + if projection_pred.projection_term.args == trait_pred.trait_ref.args { return Some(projection_pred); } } diff --git a/clippy_utils/src/ty.rs b/clippy_utils/src/ty.rs index 97bba8648c5f..e3ab42c3107c 100644 --- a/clippy_utils/src/ty.rs +++ b/clippy_utils/src/ty.rs @@ -795,7 +795,7 @@ fn sig_from_bounds<'tcx>( inputs = Some(i); }, ty::ClauseKind::Projection(p) - if Some(p.projection_ty.def_id) == lang_items.fn_once_output() && p.projection_ty.self_ty() == ty => + if Some(p.projection_term.def_id) == lang_items.fn_once_output() && p.projection_term.self_ty() == ty => { if output.is_some() { // Multiple different fn trait impls. Is this even allowed? @@ -834,7 +834,7 @@ fn sig_for_projection<'tcx>(cx: &LateContext<'tcx>, ty: AliasTy<'tcx>) -> Option } inputs = Some(i); }, - ty::ClauseKind::Projection(p) if Some(p.projection_ty.def_id) == lang_items.fn_once_output() => { + ty::ClauseKind::Projection(p) if Some(p.projection_term.def_id) == lang_items.fn_once_output() => { if output.is_some() { // Multiple different fn trait impls. Is this even allowed? return None; From b468f21051d9562175e6eba0da40c9091d1b903e Mon Sep 17 00:00:00 2001 From: Lokathor Date: Mon, 13 May 2024 10:36:42 -0600 Subject: [PATCH 0126/1716] Don't use `T` with both Result and Option, improve explanation. --- library/core/src/result.rs | 137 +++++++++++++++++++------------------ 1 file changed, 70 insertions(+), 67 deletions(-) diff --git a/library/core/src/result.rs b/library/core/src/result.rs index b82351ea1fa3..6a77f9f63a88 100644 --- a/library/core/src/result.rs +++ b/library/core/src/result.rs @@ -1,9 +1,9 @@ //! Error handling with the `Result` type. //! //! [`Result`][`Result`] is the type used for returning and propagating -//! errors. It is an enum with the variants, [`Ok(T)`], representing -//! success and containing a value, and [`Err(E)`], representing error -//! and containing an error value. +//! errors. It is an enum with the variants, [`Ok(T)`], representing success and +//! containing a value, and [`Err(E)`], representing error and containing an +//! error value. //! //! ``` //! # #[allow(dead_code)] @@ -13,12 +13,11 @@ //! } //! ``` //! -//! Functions return [`Result`] whenever errors are expected and -//! recoverable. In the `std` crate, [`Result`] is most prominently used -//! for [I/O](../../std/io/index.html). +//! Functions return [`Result`] whenever errors are expected and recoverable. In +//! the `std` crate, [`Result`] is most prominently used for +//! [I/O](../../std/io/index.html). //! -//! A simple function returning [`Result`] might be -//! defined and used like so: +//! A simple function returning [`Result`] might be defined and used like so: //! //! ``` //! #[derive(Debug)] @@ -40,9 +39,9 @@ //! } //! ``` //! -//! Pattern matching on [`Result`]s is clear and straightforward for -//! simple cases, but [`Result`] comes with some convenience methods -//! that make working with it more succinct. +//! Pattern matching on [`Result`]s is clear and straightforward for simple +//! cases, but [`Result`] comes with some convenience methods that make working +//! with it more succinct. //! //! ``` //! let good_result: Result = Ok(10); @@ -68,16 +67,15 @@ //! //! # Results must be used //! -//! A common problem with using return values to indicate errors is -//! that it is easy to ignore the return value, thus failing to handle -//! the error. [`Result`] is annotated with the `#[must_use]` attribute, -//! which will cause the compiler to issue a warning when a Result -//! value is ignored. This makes [`Result`] especially useful with -//! functions that may encounter errors but don't otherwise return a -//! useful value. +//! A common problem with using return values to indicate errors is that it is +//! easy to ignore the return value, thus failing to handle the error. +//! [`Result`] is annotated with the `#[must_use]` attribute, which will cause +//! the compiler to issue a warning when a Result value is ignored. This makes +//! [`Result`] especially useful with functions that may encounter errors but +//! don't otherwise return a useful value. //! -//! Consider the [`write_all`] method defined for I/O types -//! by the [`Write`] trait: +//! Consider the [`write_all`] method defined for I/O types by the [`Write`] +//! trait: //! //! ``` //! use std::io; @@ -87,12 +85,11 @@ //! } //! ``` //! -//! *Note: The actual definition of [`Write`] uses [`io::Result`], which -//! is just a synonym for [Result].* +//! *Note: The actual definition of [`Write`] uses [`io::Result`], which is just +//! a synonym for [Result].* //! -//! This method doesn't produce a value, but the write may -//! fail. It's crucial to handle the error case, and *not* write -//! something like this: +//! This method doesn't produce a value, but the write may fail. It's crucial to +//! handle the error case, and *not* write something like this: //! //! ```no_run //! # #![allow(unused_must_use)] // \o/ @@ -105,12 +102,12 @@ //! file.write_all(b"important message"); //! ``` //! -//! If you *do* write that in Rust, the compiler will give you a -//! warning (by default, controlled by the `unused_must_use` lint). +//! If you *do* write that in Rust, the compiler will give you a warning (by +//! default, controlled by the `unused_must_use` lint). //! -//! You might instead, if you don't want to handle the error, simply -//! assert success with [`expect`]. This will panic if the -//! write fails, providing a marginally useful message indicating why: +//! You might instead, if you don't want to handle the error, simply assert +//! success with [`expect`]. This will panic if the write fails, providing a +//! marginally useful message indicating why: //! //! ```no_run //! use std::fs::File; @@ -145,10 +142,9 @@ //! //! # The question mark operator, `?` //! -//! When writing code that calls many functions that return the -//! [`Result`] type, the error handling can be tedious. The question mark -//! operator, [`?`], hides some of the boilerplate of propagating errors -//! up the call stack. +//! When writing code that calls many functions that return the [`Result`] type, +//! the error handling can be tedious. The question mark operator, [`?`], hides +//! some of the boilerplate of propagating errors up the call stack. //! //! It replaces this: //! @@ -209,15 +205,17 @@ //! //! *It's much nicer!* //! -//! Ending the expression with [`?`] will result in the [`Ok`]'s unwrapped value, unless the result -//! is [`Err`], in which case [`Err`] is returned early from the enclosing function. +//! Ending the expression with [`?`] will result in the [`Ok`]'s unwrapped +//! value, unless the result is [`Err`], in which case [`Err`] is returned early +//! from the enclosing function. //! -//! [`?`] can be used in functions that return [`Result`] because of the -//! early return of [`Err`] that it provides. +//! [`?`] can be used in functions that return [`Result`] because of the early +//! return of [`Err`] that it provides. //! //! [`expect`]: Result::expect //! [`Write`]: ../../std/io/trait.Write.html "io::Write" -//! [`write_all`]: ../../std/io/trait.Write.html#method.write_all "io::Write::write_all" +//! [`write_all`]: ../../std/io/trait.Write.html#method.write_all +//! "io::Write::write_all" //! [`io::Result`]: ../../std/io/type.Result.html "io::Result" //! [`?`]: crate::ops::Try //! [`Ok(T)`]: Ok @@ -227,27 +225,33 @@ //! # Representation //! //! In some cases, [`Result`] will gain the same size, alignment, and ABI -//! guarantees as [`Option`] has. One of either the `T` or `E` type must be a -//! type that qualifies for `Option` guarantees, and the *other* type must meet -//! all of the following conditions: +//! guarantees as [`Option`] has. One of either the `T` or `E` type must be a +//! type that qualifies for the `Option` [representation guarantees][opt-rep], +//! and the *other* type must meet all of the following conditions: //! * Is a zero-sized type with alignment 1 (a "1-ZST"). //! * Has no fields. //! * Does not have the `#[non_exhaustive]` attribute. //! -//! For example, `Result` or `Result<(), NonZeroI32>` would both -//! have the same guarantees as `Option`. The only difference is the -//! implied semantics: `Result` is "a non-zero success value" -//! while `Result<(), NonZeroI32>` is "a non-zero error value". +//! For example, `NonZeroI32` qualifies for the `Option` representation +//! guarantees, and `()` is a zero-sized type with alignment 1, no fields, and +//! it isn't `non_exhaustive`. This means that both `Result` and +//! `Result<(), NonZeroI32>` have the same size, alignment, and ABI guarantees +//! as `Option`. The only difference is the implied semantics: +//! * `Option` is "a non-zero i32 might be present" +//! * `Result` is "a non-zero i32 success result, if any" +//! * `Result<(), NonZeroI32>` is "a non-zero i32 error result, if any" +//! +//! [opt-rep]: ../option/index.html#representation "Option Representation" //! //! # Method overview //! -//! In addition to working with pattern matching, [`Result`] provides a -//! wide variety of different methods. +//! In addition to working with pattern matching, [`Result`] provides a wide +//! variety of different methods. //! //! ## Querying the variant //! -//! The [`is_ok`] and [`is_err`] methods return [`true`] if the [`Result`] -//! is [`Ok`] or [`Err`], respectively. +//! The [`is_ok`] and [`is_err`] methods return [`true`] if the [`Result`] is +//! [`Ok`] or [`Err`], respectively. //! //! [`is_err`]: Result::is_err //! [`is_ok`]: Result::is_ok @@ -257,8 +261,8 @@ //! * [`as_ref`] converts from `&Result` to `Result<&T, &E>` //! * [`as_mut`] converts from `&mut Result` to `Result<&mut T, &mut E>` //! * [`as_deref`] converts from `&Result` to `Result<&T::Target, &E>` -//! * [`as_deref_mut`] converts from `&mut Result` to -//! `Result<&mut T::Target, &mut E>` +//! * [`as_deref_mut`] converts from `&mut Result` to `Result<&mut +//! T::Target, &mut E>` //! //! [`as_deref`]: Result::as_deref //! [`as_deref_mut`]: Result::as_deref_mut @@ -267,19 +271,18 @@ //! //! ## Extracting contained values //! -//! These methods extract the contained value in a [`Result`] when it -//! is the [`Ok`] variant. If the [`Result`] is [`Err`]: +//! These methods extract the contained value in a [`Result`] when it is +//! the [`Ok`] variant. If the [`Result`] is [`Err`]: //! //! * [`expect`] panics with a provided custom message //! * [`unwrap`] panics with a generic message //! * [`unwrap_or`] returns the provided default value -//! * [`unwrap_or_default`] returns the default value of the type `T` -//! (which must implement the [`Default`] trait) -//! * [`unwrap_or_else`] returns the result of evaluating the provided -//! function +//! * [`unwrap_or_default`] returns the default value of the type `T` (which +//! must implement the [`Default`] trait) +//! * [`unwrap_or_else`] returns the result of evaluating the provided function //! -//! The panicking methods [`expect`] and [`unwrap`] require `E` to -//! implement the [`Debug`] trait. +//! The panicking methods [`expect`] and [`unwrap`] require `E` to implement the +//! [`Debug`] trait. //! //! [`Debug`]: crate::fmt::Debug //! [`expect`]: Result::expect @@ -288,9 +291,9 @@ //! [`unwrap_or_default`]: Result::unwrap_or_default //! [`unwrap_or_else`]: Result::unwrap_or_else //! -//! These methods extract the contained value in a [`Result`] when it -//! is the [`Err`] variant. They require `T` to implement the [`Debug`] -//! trait. If the [`Result`] is [`Ok`]: +//! These methods extract the contained value in a [`Result`] when it is +//! the [`Err`] variant. They require `T` to implement the [`Debug`] trait. If +//! the [`Result`] is [`Ok`]: //! //! * [`expect_err`] panics with a provided custom message //! * [`unwrap_err`] panics with a generic message @@ -305,10 +308,10 @@ //! //! * [`err`][Result::err] transforms [`Result`] into [`Option`], //! mapping [`Err(e)`] to [`Some(e)`] and [`Ok(v)`] to [`None`] -//! * [`ok`][Result::ok] transforms [`Result`] into [`Option`], -//! mapping [`Ok(v)`] to [`Some(v)`] and [`Err(e)`] to [`None`] -//! * [`transpose`] transposes a [`Result`] of an [`Option`] into an -//! [`Option`] of a [`Result`] +//! * [`ok`][Result::ok] transforms [`Result`] into [`Option`], mapping +//! [`Ok(v)`] to [`Some(v)`] and [`Err(e)`] to [`None`] +//! * [`transpose`] transposes a [`Result`] of an [`Option`] into an [`Option`] +//! of a [`Result`] //! // Do NOT add link reference definitions for `err` or `ok`, because they // will generate numerous incorrect URLs for `Err` and `Ok` elsewhere, due From b8b68983f392ece653ef1173a7f4d7cbdfe0a9ac Mon Sep 17 00:00:00 2001 From: Dion Dokter Date: Mon, 13 May 2024 22:20:32 +0200 Subject: [PATCH 0127/1716] Forward alloc features to core --- library/alloc/Cargo.toml | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/library/alloc/Cargo.toml b/library/alloc/Cargo.toml index 4548a27b420c..2e7fcb9dbd35 100644 --- a/library/alloc/Cargo.toml +++ b/library/alloc/Cargo.toml @@ -37,6 +37,6 @@ compiler-builtins-no-asm = ["compiler_builtins/no-asm"] compiler-builtins-mangled-names = ["compiler_builtins/mangled-names"] compiler-builtins-weak-intrinsics = ["compiler_builtins/weak-intrinsics"] # Make panics and failed asserts immediately abort without formatting any message -panic_immediate_abort = [] +panic_immediate_abort = ["core/panic_immediate_abort"] # Choose algorithms that are optimized for binary size instead of runtime performance -optimize_for_size = [] +optimize_for_size = ["core/optimize_for_size"] From 2701a4175fc5636c3b74ad268f587c100173b5c1 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Mon, 13 May 2024 14:34:47 -0400 Subject: [PATCH 0128/1716] Apply nits --- clippy_lints/src/needless_borrows_for_generic_args.rs | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/clippy_lints/src/needless_borrows_for_generic_args.rs b/clippy_lints/src/needless_borrows_for_generic_args.rs index 8de5caf32b74..ae6cf992ef7b 100644 --- a/clippy_lints/src/needless_borrows_for_generic_args.rs +++ b/clippy_lints/src/needless_borrows_for_generic_args.rs @@ -320,11 +320,11 @@ fn is_mixed_projection_predicate<'tcx>( && (term_param_ty.index as usize) < generics.parent_count { // The inner-most self type is a type parameter from the current function. - let mut projection_ty = projection_predicate.projection_term; + let mut projection_term = projection_predicate.projection_term; loop { - match *projection_ty.self_ty().kind() { + match *projection_term.self_ty().kind() { ty::Alias(ty::Projection, inner_projection_ty) => { - projection_ty = inner_projection_ty.into(); + projection_term = inner_projection_ty.into(); }, ty::Param(param_ty) => { return (param_ty.index as usize) >= generics.parent_count; From dc5b99b3b64c2ba6d2ef7e30c1b53abf80858470 Mon Sep 17 00:00:00 2001 From: J-ZhengLi Date: Mon, 13 May 2024 18:29:41 +0800 Subject: [PATCH 0129/1716] improve [`match_same_arms`] messages, enable rustfix test --- clippy_lints/src/matches/match_same_arms.rs | 37 ++- tests/ui/match_same_arms.stderr | 132 ++++---- tests/ui/match_same_arms2.fixed | 241 +++++++++++++++ tests/ui/match_same_arms2.rs | 5 +- tests/ui/match_same_arms2.stderr | 283 +++++++++--------- tests/ui/match_same_arms_non_exhaustive.fixed | 61 ++++ tests/ui/match_same_arms_non_exhaustive.rs | 1 - .../ui/match_same_arms_non_exhaustive.stderr | 18 +- 8 files changed, 551 insertions(+), 227 deletions(-) create mode 100644 tests/ui/match_same_arms2.fixed create mode 100644 tests/ui/match_same_arms_non_exhaustive.fixed diff --git a/clippy_lints/src/matches/match_same_arms.rs b/clippy_lints/src/matches/match_same_arms.rs index cd61e733694b..da8c918a62bb 100644 --- a/clippy_lints/src/matches/match_same_arms.rs +++ b/clippy_lints/src/matches/match_same_arms.rs @@ -1,5 +1,5 @@ use clippy_utils::diagnostics::span_lint_hir_and_then; -use clippy_utils::source::snippet; +use clippy_utils::source::snippet_with_applicability; use clippy_utils::{is_lint_allowed, path_to_local, search_same, SpanlessEq, SpanlessHash}; use core::cmp::Ordering; use core::{iter, slice}; @@ -9,9 +9,9 @@ use rustc_errors::Applicability; use rustc_hir::def_id::DefId; use rustc_hir::{Arm, Expr, ExprKind, HirId, HirIdMap, HirIdMapEntry, HirIdSet, Pat, PatKind, RangeEnd}; use rustc_lint::builtin::NON_EXHAUSTIVE_OMITTED_PATTERNS; -use rustc_lint::LateContext; +use rustc_lint::{LateContext, LintContext}; use rustc_middle::ty; -use rustc_span::{ErrorGuaranteed, Symbol}; +use rustc_span::{ErrorGuaranteed, Span, Symbol}; use super::MATCH_SAME_ARMS; @@ -110,20 +110,22 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, arms: &'tcx [Arm<'_>]) { && check_same_body() }; + let mut appl = Applicability::MaybeIncorrect; let indexed_arms: Vec<(usize, &Arm<'_>)> = arms.iter().enumerate().collect(); for (&(i, arm1), &(j, arm2)) in search_same(&indexed_arms, hash, eq) { if matches!(arm2.pat.kind, PatKind::Wild) { if !cx.tcx.features().non_exhaustive_omitted_patterns_lint || is_lint_allowed(cx, NON_EXHAUSTIVE_OMITTED_PATTERNS, arm2.hir_id) { + let arm_span = adjusted_arm_span(cx, arm1.span); span_lint_hir_and_then( cx, MATCH_SAME_ARMS, arm1.hir_id, - arm1.span, + arm_span, "this match arm has an identical body to the `_` wildcard arm", |diag| { - diag.span_suggestion(arm1.span, "try removing the arm", "", Applicability::MaybeIncorrect) + diag.span_suggestion(arm_span, "try removing the arm", "", appl) .help("or try changing either arm body") .span_note(arm2.span, "`_` wildcard arm here"); }, @@ -144,23 +146,36 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, arms: &'tcx [Arm<'_>]) { keep_arm.span, "this match arm has an identical body to another arm", |diag| { - let move_pat_snip = snippet(cx, move_arm.pat.span, ""); - let keep_pat_snip = snippet(cx, keep_arm.pat.span, ""); + let move_pat_snip = snippet_with_applicability(cx, move_arm.pat.span, "", &mut appl); + let keep_pat_snip = snippet_with_applicability(cx, keep_arm.pat.span, "", &mut appl); diag.span_suggestion( keep_arm.pat.span, - "try merging the arm patterns", + "or try merging the arm patterns", format!("{keep_pat_snip} | {move_pat_snip}"), - Applicability::MaybeIncorrect, + appl, ) - .help("or try changing either arm body") - .span_note(move_arm.span, "other arm here"); + .span_suggestion( + adjusted_arm_span(cx, move_arm.span), + "and remove this obsolete arm", + "", + appl, + ) + .help("try changing either arm body"); }, ); } } } +/// Extend arm's span to include the comma and whitespaces after it. +fn adjusted_arm_span(cx: &LateContext<'_>, span: Span) -> Span { + let source_map = cx.sess().source_map(); + source_map + .span_extend_while(span, |c| c == ',' || c.is_ascii_whitespace()) + .unwrap_or(span) +} + #[derive(Clone, Copy)] enum NormalizedPat<'a> { Wild, diff --git a/tests/ui/match_same_arms.stderr b/tests/ui/match_same_arms.stderr index a926570b60ad..3c0382767c3f 100644 --- a/tests/ui/match_same_arms.stderr +++ b/tests/ui/match_same_arms.stderr @@ -2,7 +2,7 @@ error: this match arm has an identical body to the `_` wildcard arm --> tests/ui/match_same_arms.rs:12:9 | LL | Abc::A => 0, - | ^^^^^^^^^^^ help: try removing the arm + | ^^^^^^^^^^^^^ help: try removing the arm | = help: or try changing either arm body note: `_` wildcard arm here @@ -17,106 +17,114 @@ error: this match arm has an identical body to another arm --> tests/ui/match_same_arms.rs:18:9 | LL | (1, .., 3) => 42, - | ----------^^^^^^ - | | - | help: try merging the arm patterns: `(1, .., 3) | (.., 3)` + | ^^^^^^^^^^^^^^^^ | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms.rs:19:9 + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | (1, .., 3) | (.., 3) => 42, + | ~~~~~~~~~~~~~~~~~~~~ +help: and remove this obsolete arm + | +LL - (.., 3) => 42, | -LL | (.., 3) => 42, - | ^^^^^^^^^^^^^ error: this match arm has an identical body to another arm --> tests/ui/match_same_arms.rs:25:9 | LL | 51 => 1, - | --^^^^^ - | | - | help: try merging the arm patterns: `51 | 42` - | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms.rs:24:9 - | -LL | 42 => 1, | ^^^^^^^ + | + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | 51 | 42 => 1, + | ~~~~~~~ +help: and remove this obsolete arm + | +LL - 42 => 1, + | error: this match arm has an identical body to another arm --> tests/ui/match_same_arms.rs:26:9 | LL | 41 => 2, - | --^^^^^ - | | - | help: try merging the arm patterns: `41 | 52` - | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms.rs:27:9 - | -LL | 52 => 2, | ^^^^^^^ + | + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | 41 | 52 => 2, + | ~~~~~~~ +help: and remove this obsolete arm + | +LL - 52 => 2, + | error: this match arm has an identical body to another arm --> tests/ui/match_same_arms.rs:33:9 | LL | 2 => 2, - | -^^^^^ - | | - | help: try merging the arm patterns: `2 | 1` - | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms.rs:32:9 - | -LL | 1 => 2, | ^^^^^^ + | + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | 2 | 1 => 2, + | ~~~~~ +help: and remove this obsolete arm + | +LL - 1 => 2, + | error: this match arm has an identical body to another arm --> tests/ui/match_same_arms.rs:35:9 | LL | 3 => 2, - | -^^^^^ - | | - | help: try merging the arm patterns: `3 | 1` - | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms.rs:32:9 - | -LL | 1 => 2, | ^^^^^^ + | + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | 3 | 1 => 2, + | ~~~~~ +help: and remove this obsolete arm + | +LL - 1 => 2, + | error: this match arm has an identical body to another arm --> tests/ui/match_same_arms.rs:33:9 | LL | 2 => 2, - | -^^^^^ - | | - | help: try merging the arm patterns: `2 | 3` - | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms.rs:35:9 - | -LL | 3 => 2, | ^^^^^^ + | + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | 2 | 3 => 2, + | ~~~~~ +help: and remove this obsolete arm + | +LL - 3 => 2, +LL + + | error: this match arm has an identical body to another arm --> tests/ui/match_same_arms.rs:52:17 | LL | CommandInfo::External { name, .. } => name.to_string(), - | ----------------------------------^^^^^^^^^^^^^^^^^^^^ - | | - | help: try merging the arm patterns: `CommandInfo::External { name, .. } | CommandInfo::BuiltIn { name, .. }` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms.rs:51:17 + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | CommandInfo::External { name, .. } | CommandInfo::BuiltIn { name, .. } => name.to_string(), + | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +help: and remove this obsolete arm + | +LL - CommandInfo::BuiltIn { name, .. } => name.to_string(), | -LL | CommandInfo::BuiltIn { name, .. } => name.to_string(), - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to 8 previous errors diff --git a/tests/ui/match_same_arms2.fixed b/tests/ui/match_same_arms2.fixed new file mode 100644 index 000000000000..fba0cf33b3c2 --- /dev/null +++ b/tests/ui/match_same_arms2.fixed @@ -0,0 +1,241 @@ +#![warn(clippy::match_same_arms)] +#![allow( + clippy::disallowed_names, + clippy::diverging_sub_expression, + clippy::uninlined_format_args, + clippy::match_single_binding, + clippy::match_like_matches_macro +)] +fn bar(_: T) {} +fn foo() -> bool { + unimplemented!() +} + +fn match_same_arms() { + let _ = match 42 { + _ => { + foo(); + let mut a = 42 + [23].len() as i32; + if true { + a += 7; + } + a = -31 - a; + a + }, + }; + //~^^^^^^^^^^^^^^^^^^^ ERROR: this match arm has an identical body to the `_` wildcard arm + + let _ = match 42 { + 51 | 42 => foo(), //~ ERROR: this match arm has an identical body to another arm + _ => true, + }; + + let _ = match Some(42) { + None | Some(_) => 24, //~ ERROR: this match arm has an identical body to another arm + }; + + let _ = match Some(42) { + Some(foo) => 24, + None => 24, + }; + + let _ = match Some(42) { + Some(42) => 24, + Some(a) => 24, // bindings are different + None => 0, + }; + + let _ = match Some(42) { + Some(a) if a > 0 => 24, + Some(a) => 24, // one arm has a guard + None => 0, + }; + + match (Some(42), Some(42)) { + (None, Some(a)) | (Some(a), None) => bar(a), //~ ERROR: this match arm has an identical body to another arm + _ => (), + } + + // No warning because guards are different + let _ = match Some(42) { + Some(a) if a == 42 => a, + Some(a) if a == 24 => a, + Some(_) => 24, + None => 0, + }; + + let _ = match (Some(42), Some(42)) { + (None, Some(a)) | (Some(a), None) if a == 42 => a, //~ ERROR: this match arm has an identical body to another arm + _ => 0, + }; + + match (Some(42), Some(42)) { + (Some(a), ..) | (.., Some(a)) => bar(a), //~ ERROR: this match arm has an identical body to another arm + _ => (), + } + + let _ = match Some(()) { + Some(()) => 0.0, + None => -0.0, + }; + + match (Some(42), Some("")) { + (Some(a), None) => bar(a), + (None, Some(a)) => bar(a), // bindings have different types + _ => (), + } + + let x: Result = Ok(3); + + // No warning because of the guard. + match x { + Ok(x) if x * x == 64 => println!("ok"), + Ok(_) => println!("ok"), + Err(_) => println!("err"), + } + + // This used to be a false positive; see issue #1996. + match x { + Ok(3) => println!("ok"), + Ok(x) if x * x == 64 => println!("ok 64"), + Ok(_) => println!("ok"), + Err(_) => println!("err"), + } + + match (x, Some(1i32)) { + (Ok(x), Some(_)) | (Ok(_), Some(x)) => println!("ok {}", x), //~ ERROR: this match arm has an identical body to another arm + _ => println!("err"), + } + + // No warning; different types for `x`. + match (x, Some(1.0f64)) { + (Ok(x), Some(_)) => println!("ok {}", x), + (Ok(_), Some(x)) => println!("ok {}", x), + _ => println!("err"), + } + + // False negative #2251. + match x { + Ok(_tmp) => println!("ok"), + Ok(_) | Ok(3) => println!("ok"), //~ ERROR: this match arm has an identical body to another arm + Err(_) => { + unreachable!(); + }, + } + + // False positive #1390 + macro_rules! empty { + ($e:expr) => {}; + } + match 0 { + 0 => { + empty!(0); + }, + 1 => { + empty!(1); + }, + x => { + empty!(x); + }, + }; + + // still lint if the tokens are the same + match 0 { + 1 | 0 => { + empty!(0); + }, + x => { + empty!(x); + }, + } + //~^^^^^^^ ERROR: this match arm has an identical body to another arm + + match_expr_like_matches_macro_priority(); +} + +fn match_expr_like_matches_macro_priority() { + enum E { + A, + B, + C, + } + let x = E::A; + let _ans = match x { + E::A => false, + E::B => false, + _ => true, + }; +} + +fn main() { + let _ = match Some(0) { + Some(0) => 0, + Some(1) => 1, + #[cfg(feature = "foo")] + Some(2) => 2, + _ => 1, + }; + + enum Foo { + X(u32), + Y(u32), + Z(u32), + } + + // Don't lint. `Foo::X(0)` and `Foo::Z(_)` overlap with the arm in between. + let _ = match Foo::X(0) { + Foo::X(0) => 1, + Foo::X(_) | Foo::Y(_) | Foo::Z(0) => 2, + Foo::Z(_) => 1, + _ => 0, + }; + + // Suggest moving `Foo::Z(_)` up. + let _ = match Foo::X(0) { + Foo::X(0) | Foo::Z(_) => 1, //~ ERROR: this match arm has an identical body to another arm + Foo::X(_) | Foo::Y(_) => 2, + _ => 0, + }; + + // Suggest moving `Foo::X(0)` down. + let _ = match Foo::X(0) { + Foo::Y(_) | Foo::Z(0) => 2, + Foo::Z(_) | Foo::X(0) => 1, //~ ERROR: this match arm has an identical body to another arm + _ => 0, + }; + + // Don't lint. + let _ = match 0 { + -2 => 1, + -5..=50 => 2, + -150..=88 => 1, + _ => 3, + }; + + struct Bar { + x: u32, + y: u32, + z: u32, + } + + // Lint. + let _ = match None { + Some(Bar { y: 10, z: 0, .. }) => 2, + None => 50, + Some(Bar { y: 0, x: 5, .. }) | Some(Bar { x: 0, y: 5, .. }) => 1, //~ ERROR: this match arm has an identical body to another arm + _ => 200, + }; + + let _ = match 0 { + 0 => todo!(), + 1 => todo!(), + 2 => core::convert::identity::(todo!()), + 3 => core::convert::identity::(todo!()), + _ => 5, + }; + + let _ = match 0 { + 1 | 0 => cfg!(not_enable), + _ => false, + }; +} diff --git a/tests/ui/match_same_arms2.rs b/tests/ui/match_same_arms2.rs index 85ad0962eb4b..8a4e3b325bbf 100644 --- a/tests/ui/match_same_arms2.rs +++ b/tests/ui/match_same_arms2.rs @@ -2,9 +2,10 @@ #![allow( clippy::disallowed_names, clippy::diverging_sub_expression, - clippy::uninlined_format_args + clippy::uninlined_format_args, + clippy::match_single_binding, + clippy::match_like_matches_macro )] -//@no-rustfix fn bar(_: T) {} fn foo() -> bool { unimplemented!() diff --git a/tests/ui/match_same_arms2.stderr b/tests/ui/match_same_arms2.stderr index f4c38c1af897..3d15176ccf99 100644 --- a/tests/ui/match_same_arms2.stderr +++ b/tests/ui/match_same_arms2.stderr @@ -1,18 +1,18 @@ error: this match arm has an identical body to the `_` wildcard arm - --> tests/ui/match_same_arms2.rs:15:9 + --> tests/ui/match_same_arms2.rs:16:9 | LL | / 42 => { LL | | foo(); LL | | let mut a = 42 + [23].len() as i32; LL | | if true { ... | -LL | | a LL | | }, - | |_________^ help: try removing the arm +LL | | _ => { + | |________^ help: try removing the arm | = help: or try changing either arm body note: `_` wildcard arm here - --> tests/ui/match_same_arms2.rs:24:9 + --> tests/ui/match_same_arms2.rs:25:9 | LL | / _ => { LL | | foo(); @@ -26,203 +26,200 @@ LL | | }, = help: to override `-D warnings` add `#[allow(clippy::match_same_arms)]` error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:38:9 + --> tests/ui/match_same_arms2.rs:39:9 | LL | 51 => foo(), - | --^^^^^^^^^ - | | - | help: try merging the arm patterns: `51 | 42` - | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms2.rs:37:9 - | -LL | 42 => foo(), | ^^^^^^^^^^^ + | + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | 51 | 42 => foo(), + | ~~~~~~~ +help: and remove this obsolete arm + | +LL - 42 => foo(), + | error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:44:9 + --> tests/ui/match_same_arms2.rs:45:9 | LL | None => 24, - | ----^^^^^^ - | | - | help: try merging the arm patterns: `None | Some(_)` + | ^^^^^^^^^^ | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms2.rs:43:9 + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | None | Some(_) => 24, + | ~~~~~~~~~~~~~~ +help: and remove this obsolete arm + | +LL - Some(_) => 24, | -LL | Some(_) => 24, - | ^^^^^^^^^^^^^ error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:66:9 + --> tests/ui/match_same_arms2.rs:67:9 | LL | (None, Some(a)) => bar(a), - | ---------------^^^^^^^^^^ - | | - | help: try merging the arm patterns: `(None, Some(a)) | (Some(a), None)` - | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms2.rs:65:9 - | -LL | (Some(a), None) => bar(a), | ^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | (None, Some(a)) | (Some(a), None) => bar(a), + | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +help: and remove this obsolete arm + | +LL - (Some(a), None) => bar(a), + | error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:80:9 + --> tests/ui/match_same_arms2.rs:81:9 | LL | (None, Some(a)) if a == 42 => a, - | ---------------^^^^^^^^^^^^^^^^ - | | - | help: try merging the arm patterns: `(None, Some(a)) | (Some(a), None)` - | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms2.rs:79:9 - | -LL | (Some(a), None) if a == 42 => a, | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | (None, Some(a)) | (Some(a), None) if a == 42 => a, + | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +help: and remove this obsolete arm + | +LL - (Some(a), None) if a == 42 => a, + | error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:85:9 - | -LL | (Some(a), ..) => bar(a), - | -------------^^^^^^^^^^ - | | - | help: try merging the arm patterns: `(Some(a), ..) | (.., Some(a))` - | - = help: or try changing either arm body -note: other arm here --> tests/ui/match_same_arms2.rs:86:9 | -LL | (.., Some(a)) => bar(a), +LL | (Some(a), ..) => bar(a), | ^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | (Some(a), ..) | (.., Some(a)) => bar(a), + | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +help: and remove this obsolete arm + | +LL - (.., Some(a)) => bar(a), + | error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:119:9 - | -LL | (Ok(x), Some(_)) => println!("ok {}", x), - | ----------------^^^^^^^^^^^^^^^^^^^^^^^^ - | | - | help: try merging the arm patterns: `(Ok(x), Some(_)) | (Ok(_), Some(x))` - | - = help: or try changing either arm body -note: other arm here --> tests/ui/match_same_arms2.rs:120:9 | -LL | (Ok(_), Some(x)) => println!("ok {}", x), +LL | (Ok(x), Some(_)) => println!("ok {}", x), | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | (Ok(x), Some(_)) | (Ok(_), Some(x)) => println!("ok {}", x), + | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +help: and remove this obsolete arm + | +LL - (Ok(_), Some(x)) => println!("ok {}", x), + | error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:135:9 + --> tests/ui/match_same_arms2.rs:136:9 | LL | Ok(_) => println!("ok"), - | -----^^^^^^^^^^^^^^^^^^ - | | - | help: try merging the arm patterns: `Ok(_) | Ok(3)` - | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms2.rs:134:9 - | -LL | Ok(3) => println!("ok"), | ^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | Ok(_) | Ok(3) => println!("ok"), + | ~~~~~~~~~~~~~ +help: and remove this obsolete arm + | +LL - Ok(3) => println!("ok"), + | error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:162:9 + --> tests/ui/match_same_arms2.rs:163:9 | -LL | 1 => { - | ^ help: try merging the arm patterns: `1 | 0` - | _________| - | | +LL | / 1 => { LL | | empty!(0); LL | | }, | |_________^ | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms2.rs:159:9 + = help: try changing either arm body +help: or try merging the arm patterns | -LL | / 0 => { -LL | | empty!(0); -LL | | }, - | |_________^ - -error: match expression looks like `matches!` macro - --> tests/ui/match_same_arms2.rs:181:16 +LL | 1 | 0 => { + | ~~~~~ +help: and remove this obsolete arm | -LL | let _ans = match x { - | ________________^ -LL | | E::A => false, -LL | | E::B => false, -LL | | _ => true, -LL | | }; - | |_____^ help: try: `!matches!(x, E::A | E::B)` +LL - 0 => { +LL - empty!(0); +LL - }, | - = note: `-D clippy::match-like-matches-macro` implied by `-D warnings` - = help: to override `-D warnings` add `#[allow(clippy::match_like_matches_macro)]` error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:213:9 - | -LL | Foo::X(0) => 1, - | ---------^^^^^ - | | - | help: try merging the arm patterns: `Foo::X(0) | Foo::Z(_)` - | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms2.rs:215:9 - | -LL | Foo::Z(_) => 1, - | ^^^^^^^^^^^^^^ - -error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:223:9 - | -LL | Foo::Z(_) => 1, - | ---------^^^^^ - | | - | help: try merging the arm patterns: `Foo::Z(_) | Foo::X(0)` - | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms2.rs:221:9 + --> tests/ui/match_same_arms2.rs:214:9 | LL | Foo::X(0) => 1, | ^^^^^^^^^^^^^^ + | + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | Foo::X(0) | Foo::Z(_) => 1, + | ~~~~~~~~~~~~~~~~~~~~~ +help: and remove this obsolete arm + | +LL - Foo::Z(_) => 1, + | error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:246:9 + --> tests/ui/match_same_arms2.rs:224:9 + | +LL | Foo::Z(_) => 1, + | ^^^^^^^^^^^^^^ + | + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | Foo::Z(_) | Foo::X(0) => 1, + | ~~~~~~~~~~~~~~~~~~~~~ +help: and remove this obsolete arm + | +LL - Foo::X(0) => 1, + | + +error: this match arm has an identical body to another arm + --> tests/ui/match_same_arms2.rs:247:9 | LL | Some(Bar { y: 0, x: 5, .. }) => 1, - | ----------------------------^^^^^ - | | - | help: try merging the arm patterns: `Some(Bar { y: 0, x: 5, .. }) | Some(Bar { x: 0, y: 5, .. })` - | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms2.rs:243:9 - | -LL | Some(Bar { x: 0, y: 5, .. }) => 1, | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | Some(Bar { y: 0, x: 5, .. }) | Some(Bar { x: 0, y: 5, .. }) => 1, + | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +help: and remove this obsolete arm + | +LL - Some(Bar { x: 0, y: 5, .. }) => 1, + | error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:260:9 + --> tests/ui/match_same_arms2.rs:261:9 | LL | 1 => cfg!(not_enable), - | -^^^^^^^^^^^^^^^^^^^^ - | | - | help: try merging the arm patterns: `1 | 0` - | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms2.rs:259:9 - | -LL | 0 => cfg!(not_enable), | ^^^^^^^^^^^^^^^^^^^^^ + | + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | 1 | 0 => cfg!(not_enable), + | ~~~~~ +help: and remove this obsolete arm + | +LL - 0 => cfg!(not_enable), + | -error: aborting due to 14 previous errors +error: aborting due to 13 previous errors diff --git a/tests/ui/match_same_arms_non_exhaustive.fixed b/tests/ui/match_same_arms_non_exhaustive.fixed new file mode 100644 index 000000000000..804c0a869a9f --- /dev/null +++ b/tests/ui/match_same_arms_non_exhaustive.fixed @@ -0,0 +1,61 @@ +#![feature(non_exhaustive_omitted_patterns_lint)] +#![warn(clippy::match_same_arms)] +#![no_main] +use std::sync::atomic::Ordering; // #[non_exhaustive] enum + +fn repeat() -> ! { + panic!() +} + +pub fn f(x: Ordering) { + #[deny(non_exhaustive_omitted_patterns)] + match x { + Ordering::Relaxed => println!("relaxed"), + Ordering::Release => println!("release"), + Ordering::Acquire => println!("acquire"), + Ordering::AcqRel | Ordering::SeqCst => repeat(), + _ => repeat(), + } +} + +mod f { + #![deny(non_exhaustive_omitted_patterns)] + + use super::*; + + pub fn f(x: Ordering) { + match x { + Ordering::Relaxed => println!("relaxed"), + Ordering::Release => println!("release"), + Ordering::Acquire => println!("acquire"), + Ordering::AcqRel | Ordering::SeqCst => repeat(), + _ => repeat(), + } + } +} + +// Below should still lint + +pub fn g(x: Ordering) { + match x { + Ordering::Relaxed => println!("relaxed"), + Ordering::Release => println!("release"), + Ordering::Acquire => println!("acquire"), + //~^ ERROR: this match arm has an identical body to the `_` wildcard arm + _ => repeat(), + } +} + +mod g { + use super::*; + + pub fn g(x: Ordering) { + match x { + Ordering::Relaxed => println!("relaxed"), + Ordering::Release => println!("release"), + Ordering::Acquire => println!("acquire"), + //~^ ERROR: this match arm has an identical body to the `_` wildcard arm + _ => repeat(), + } + } +} diff --git a/tests/ui/match_same_arms_non_exhaustive.rs b/tests/ui/match_same_arms_non_exhaustive.rs index 5c277f925a8f..e50663932a1a 100644 --- a/tests/ui/match_same_arms_non_exhaustive.rs +++ b/tests/ui/match_same_arms_non_exhaustive.rs @@ -1,7 +1,6 @@ #![feature(non_exhaustive_omitted_patterns_lint)] #![warn(clippy::match_same_arms)] #![no_main] -//@no-rustfix use std::sync::atomic::Ordering; // #[non_exhaustive] enum fn repeat() -> ! { diff --git a/tests/ui/match_same_arms_non_exhaustive.stderr b/tests/ui/match_same_arms_non_exhaustive.stderr index cf2a75354e15..aa7f8c95dce8 100644 --- a/tests/ui/match_same_arms_non_exhaustive.stderr +++ b/tests/ui/match_same_arms_non_exhaustive.stderr @@ -1,12 +1,13 @@ error: this match arm has an identical body to the `_` wildcard arm - --> tests/ui/match_same_arms_non_exhaustive.rs:45:9 + --> tests/ui/match_same_arms_non_exhaustive.rs:44:9 | -LL | Ordering::AcqRel | Ordering::SeqCst => repeat(), - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the arm +LL | / Ordering::AcqRel | Ordering::SeqCst => repeat(), +LL | | + | |________^ help: try removing the arm | = help: or try changing either arm body note: `_` wildcard arm here - --> tests/ui/match_same_arms_non_exhaustive.rs:47:9 + --> tests/ui/match_same_arms_non_exhaustive.rs:46:9 | LL | _ => repeat(), | ^^^^^^^^^^^^^ @@ -14,14 +15,15 @@ LL | _ => repeat(), = help: to override `-D warnings` add `#[allow(clippy::match_same_arms)]` error: this match arm has an identical body to the `_` wildcard arm - --> tests/ui/match_same_arms_non_exhaustive.rs:59:13 + --> tests/ui/match_same_arms_non_exhaustive.rs:58:13 | -LL | Ordering::AcqRel | Ordering::SeqCst => repeat(), - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the arm +LL | / Ordering::AcqRel | Ordering::SeqCst => repeat(), +LL | | + | |____________^ help: try removing the arm | = help: or try changing either arm body note: `_` wildcard arm here - --> tests/ui/match_same_arms_non_exhaustive.rs:61:13 + --> tests/ui/match_same_arms_non_exhaustive.rs:60:13 | LL | _ => repeat(), | ^^^^^^^^^^^^^ From 28cb2d7dfb155ccb204f4d9a60af0e3460e59f5f Mon Sep 17 00:00:00 2001 From: Zachary S Date: Fri, 10 May 2024 14:23:37 -0500 Subject: [PATCH 0130/1716] Add fn into_raw_with_allocator to Rc/Arc/Weak. --- library/alloc/src/rc.rs | 50 +++++++++++++++++++++++------ library/alloc/src/sync.rs | 67 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 107 insertions(+), 10 deletions(-) diff --git a/library/alloc/src/rc.rs b/library/alloc/src/rc.rs index 45b205356758..de7b36c922c8 100644 --- a/library/alloc/src/rc.rs +++ b/library/alloc/src/rc.rs @@ -1356,6 +1356,33 @@ impl Rc { ptr } + /// Consumes the `Rc`, returning the wrapped pointer and allocator. + /// + /// To avoid a memory leak the pointer must be converted back to an `Rc` using + /// [`Rc::from_raw_in`]. + /// + /// # Examples + /// + /// ``` + /// #![feature(allocator_api)] + /// use std::rc::Rc; + /// use std::alloc::System; + /// + /// let x = Rc::new_in("hello".to_owned(), System); + /// let (ptr, alloc) = Rc::into_raw_with_allocator(x); + /// assert_eq!(unsafe { &*ptr }, "hello"); + /// let x = unsafe { Rc::from_raw_in(ptr, alloc) }; + /// assert_eq!(&*x, "hello"); + /// ``` + #[unstable(feature = "allocator_api", issue = "32838")] + pub fn into_raw_with_allocator(this: Self) -> (*const T, A) { + let this = mem::ManuallyDrop::new(this); + let ptr = Self::as_ptr(&this); + // Safety: `this` is ManuallyDrop so the allocator will not be double-dropped + let alloc = unsafe { ptr::read(Self::allocator(&this)) }; + (ptr, alloc) + } + /// Provides a raw pointer to the data. /// /// The counts are not affected in any way and the `Rc` is not consumed. The pointer is valid @@ -2999,11 +3026,11 @@ impl Weak { result } - /// Consumes the `Weak` and turns it into a raw pointer. + /// Consumes the `Weak`, returning the wrapped pointer and allocator. /// /// This converts the weak pointer into a raw pointer, while still preserving the ownership of /// one weak reference (the weak count is not modified by this operation). It can be turned - /// back into the `Weak` with [`from_raw`]. + /// back into the `Weak` with [`from_raw_in`]. /// /// The same restrictions of accessing the target of the pointer as with /// [`as_ptr`] apply. @@ -3011,27 +3038,30 @@ impl Weak { /// # Examples /// /// ``` + /// #![feature(allocator_api)] /// use std::rc::{Rc, Weak}; + /// use std::alloc::System; /// - /// let strong = Rc::new("hello".to_owned()); + /// let strong = Rc::new_in("hello".to_owned(), System); /// let weak = Rc::downgrade(&strong); - /// let raw = weak.into_raw(); + /// let (raw, alloc) = weak.into_raw_with_allocator(); /// /// assert_eq!(1, Rc::weak_count(&strong)); /// assert_eq!("hello", unsafe { &*raw }); /// - /// drop(unsafe { Weak::from_raw(raw) }); + /// drop(unsafe { Weak::from_raw_in(raw, alloc) }); /// assert_eq!(0, Rc::weak_count(&strong)); /// ``` /// - /// [`from_raw`]: Weak::from_raw + /// [`from_raw_in`]: Weak::from_raw_in /// [`as_ptr`]: Weak::as_ptr #[inline] #[unstable(feature = "allocator_api", issue = "32838")] - pub fn into_raw_and_alloc(self) -> (*const T, A) { - let rc = mem::ManuallyDrop::new(self); - let result = rc.as_ptr(); - let alloc = unsafe { ptr::read(&rc.alloc) }; + pub fn into_raw_with_allocator(self) -> (*const T, A) { + let this = mem::ManuallyDrop::new(self); + let result = this.as_ptr(); + // Safety: `this` is ManuallyDrop so the allocator will not be double-dropped + let alloc = unsafe { ptr::read(this.allocator()) }; (result, alloc) } diff --git a/library/alloc/src/sync.rs b/library/alloc/src/sync.rs index a35c99849b34..0df94e9e2cae 100644 --- a/library/alloc/src/sync.rs +++ b/library/alloc/src/sync.rs @@ -1496,6 +1496,34 @@ impl Arc { ptr } + /// Consumes the `Arc`, returning the wrapped pointer and allocator. + /// + /// To avoid a memory leak the pointer must be converted back to an `Arc` using + /// [`Arc::from_raw_in`]. + /// + /// # Examples + /// + /// ``` + /// #![feature(allocator_api)] + /// use std::sync::Arc; + /// use std::alloc::System; + /// + /// let x = Arc::new_in("hello".to_owned(), System); + /// let (ptr, alloc) = Arc::into_raw_with_allocator(x); + /// assert_eq!(unsafe { &*ptr }, "hello"); + /// let x = unsafe { Arc::from_raw_in(ptr, alloc) }; + /// assert_eq!(&*x, "hello"); + /// ``` + #[must_use = "losing the pointer will leak memory"] + #[unstable(feature = "allocator_api", issue = "32838")] + pub fn into_raw_with_allocator(this: Self) -> (*const T, A) { + let this = mem::ManuallyDrop::new(this); + let ptr = Self::as_ptr(&this); + // Safety: `this` is ManuallyDrop so the allocator will not be double-dropped + let alloc = unsafe { ptr::read(Self::allocator(&this)) }; + (ptr, alloc) + } + /// Provides a raw pointer to the data. /// /// The counts are not affected in any way and the `Arc` is not consumed. The pointer is valid for @@ -2740,6 +2768,45 @@ impl Weak { result } + /// Consumes the `Weak`, returning the wrapped pointer and allocator. + /// + /// This converts the weak pointer into a raw pointer, while still preserving the ownership of + /// one weak reference (the weak count is not modified by this operation). It can be turned + /// back into the `Weak` with [`from_raw_in`]. + /// + /// The same restrictions of accessing the target of the pointer as with + /// [`as_ptr`] apply. + /// + /// # Examples + /// + /// ``` + /// #![feature(allocator_api)] + /// use std::sync::{Arc, Weak}; + /// use std::alloc::System; + /// + /// let strong = Arc::new_in("hello".to_owned(), System); + /// let weak = Arc::downgrade(&strong); + /// let (raw, alloc) = weak.into_raw_with_allocator(); + /// + /// assert_eq!(1, Arc::weak_count(&strong)); + /// assert_eq!("hello", unsafe { &*raw }); + /// + /// drop(unsafe { Weak::from_raw_in(raw, alloc) }); + /// assert_eq!(0, Arc::weak_count(&strong)); + /// ``` + /// + /// [`from_raw_in`]: Weak::from_raw_in + /// [`as_ptr`]: Weak::as_ptr + #[must_use = "losing the pointer will leak memory"] + #[unstable(feature = "allocator_api", issue = "32838")] + pub fn into_raw_with_allocator(self) -> (*const T, A) { + let this = mem::ManuallyDrop::new(self); + let result = this.as_ptr(); + // Safety: `this` is ManuallyDrop so the allocator will not be double-dropped + let alloc = unsafe { ptr::read(Self::allocator(&this)) }; + (result, alloc) + } + /// Converts a raw pointer previously created by [`into_raw`] back into `Weak` in the provided /// allocator. /// From 1a3a54c513a9032582a092f20315031f8a485aaf Mon Sep 17 00:00:00 2001 From: Zalathar Date: Sun, 21 Apr 2024 18:05:02 +1000 Subject: [PATCH 0131/1716] coverage: Store expression operands as `BcbCounter` --- .../src/coverage/counters.rs | 28 ++++++++++++++++--- 1 file changed, 24 insertions(+), 4 deletions(-) diff --git a/compiler/rustc_mir_transform/src/coverage/counters.rs b/compiler/rustc_mir_transform/src/coverage/counters.rs index b98554ec00fa..07a1862e5db6 100644 --- a/compiler/rustc_mir_transform/src/coverage/counters.rs +++ b/compiler/rustc_mir_transform/src/coverage/counters.rs @@ -35,6 +35,13 @@ impl Debug for BcbCounter { } } +#[derive(Debug)] +struct BcbExpression { + lhs: BcbCounter, + op: Op, + rhs: BcbCounter, +} + #[derive(Debug)] pub(super) enum CounterIncrementSite { Node { bcb: BasicCoverageBlock }, @@ -58,7 +65,7 @@ pub(super) struct CoverageCounters { bcb_edge_counters: FxHashMap<(BasicCoverageBlock, BasicCoverageBlock), BcbCounter>, /// Table of expression data, associating each expression ID with its /// corresponding operator (+ or -) and its LHS/RHS operands. - expressions: IndexVec, + expressions: IndexVec, } impl CoverageCounters { @@ -90,8 +97,7 @@ impl CoverageCounters { } fn make_expression(&mut self, lhs: BcbCounter, op: Op, rhs: BcbCounter) -> BcbCounter { - let expression = Expression { lhs: lhs.as_term(), op, rhs: rhs.as_term() }; - let id = self.expressions.push(expression); + let id = self.expressions.push(BcbExpression { lhs, op, rhs }); BcbCounter::Expression { id } } @@ -166,7 +172,21 @@ impl CoverageCounters { } pub(super) fn into_expressions(self) -> IndexVec { - self.expressions + let old_len = self.expressions.len(); + let expressions = self + .expressions + .into_iter() + .map(|BcbExpression { lhs, op, rhs }| Expression { + lhs: lhs.as_term(), + op, + rhs: rhs.as_term(), + }) + .collect::>(); + + // Expression IDs are indexes into this vector, so make sure we didn't + // accidentally invalidate them by changing its length. + assert_eq!(old_len, expressions.len()); + expressions } } From a68bb5e176ff7f250c0af00467a6793952be7489 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Sun, 21 Apr 2024 18:11:57 +1000 Subject: [PATCH 0132/1716] coverage: Memoize newly-created counter expressions This currently has no effect, but is expected to be useful when expanding support for branch coverage and MC/DC coverage. --- compiler/rustc_middle/src/mir/coverage.rs | 4 ++-- .../src/coverage/counters.rs | 24 ++++++++++++++++--- 2 files changed, 23 insertions(+), 5 deletions(-) diff --git a/compiler/rustc_middle/src/mir/coverage.rs b/compiler/rustc_middle/src/mir/coverage.rs index 477303e2434f..8d754f76ae84 100644 --- a/compiler/rustc_middle/src/mir/coverage.rs +++ b/compiler/rustc_middle/src/mir/coverage.rs @@ -187,8 +187,8 @@ impl Debug for CodeRegion { } } -#[derive(Copy, Clone, Debug, PartialEq, TyEncodable, TyDecodable, Hash, HashStable)] -#[derive(TypeFoldable, TypeVisitable)] +#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash, HashStable)] +#[derive(TyEncodable, TyDecodable, TypeFoldable, TypeVisitable)] pub enum Op { Subtract, Add, diff --git a/compiler/rustc_mir_transform/src/coverage/counters.rs b/compiler/rustc_mir_transform/src/coverage/counters.rs index 07a1862e5db6..908b1495b669 100644 --- a/compiler/rustc_mir_transform/src/coverage/counters.rs +++ b/compiler/rustc_mir_transform/src/coverage/counters.rs @@ -11,7 +11,7 @@ use crate::coverage::graph::{BasicCoverageBlock, CoverageGraph, TraverseCoverage /// The coverage counter or counter expression associated with a particular /// BCB node or BCB edge. -#[derive(Clone, Copy)] +#[derive(Clone, Copy, PartialEq, Eq, Hash)] pub(super) enum BcbCounter { Counter { id: CounterId }, Expression { id: ExpressionId }, @@ -35,7 +35,7 @@ impl Debug for BcbCounter { } } -#[derive(Debug)] +#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)] struct BcbExpression { lhs: BcbCounter, op: Op, @@ -63,9 +63,13 @@ pub(super) struct CoverageCounters { /// We currently don't iterate over this map, but if we do in the future, /// switch it back to `FxIndexMap` to avoid query stability hazards. bcb_edge_counters: FxHashMap<(BasicCoverageBlock, BasicCoverageBlock), BcbCounter>, + /// Table of expression data, associating each expression ID with its /// corresponding operator (+ or -) and its LHS/RHS operands. expressions: IndexVec, + /// Remember expressions that have already been created (or simplified), + /// so that we don't create unnecessary duplicates. + expressions_memo: FxHashMap, } impl CoverageCounters { @@ -83,6 +87,7 @@ impl CoverageCounters { bcb_counters: IndexVec::from_elem_n(None, num_bcbs), bcb_edge_counters: FxHashMap::default(), expressions: IndexVec::new(), + expressions_memo: FxHashMap::default(), }; MakeBcbCounters::new(&mut this, basic_coverage_blocks) @@ -97,7 +102,20 @@ impl CoverageCounters { } fn make_expression(&mut self, lhs: BcbCounter, op: Op, rhs: BcbCounter) -> BcbCounter { - let id = self.expressions.push(BcbExpression { lhs, op, rhs }); + let new_expr = BcbExpression { lhs, op, rhs }; + *self + .expressions_memo + .entry(new_expr) + .or_insert_with(|| Self::make_expression_inner(&mut self.expressions, new_expr)) + } + + /// This is an associated function so that we can call it while borrowing + /// `&mut self.expressions_memo`. + fn make_expression_inner( + expressions: &mut IndexVec, + new_expr: BcbExpression, + ) -> BcbCounter { + let id = expressions.push(new_expr); BcbCounter::Expression { id } } From d01df6f9aadf58a00357bd89b8fc25a44822ba77 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Tue, 14 May 2024 13:51:24 +1000 Subject: [PATCH 0133/1716] coverage: Simplify counter expressions using simple algebra Some of these cases currently don't occur in practice, but are included for completeness, and to avoid having to add them later as branch coverage and MC/DC coverage start building more complex expressions. --- .../src/coverage/counters.rs | 37 ++ tests/coverage/abort.cov-map | 42 +- tests/coverage/async.cov-map | 16 +- tests/coverage/async2.cov-map | 16 +- tests/coverage/async_block.cov-map | 16 +- tests/coverage/branch/generics.cov-map | 24 +- tests/coverage/branch/if-let.cov-map | 8 +- tests/coverage/branch/if.cov-map | 140 ++---- tests/coverage/branch/lazy-boolean.cov-map | 107 +++-- tests/coverage/branch/let-else.cov-map | 8 +- tests/coverage/branch/while.cov-map | 26 +- tests/coverage/closure.cov-map | 80 ++-- tests/coverage/closure_bug.cov-map | 109 ++--- tests/coverage/closure_macro.cov-map | 8 +- tests/coverage/closure_macro_async.cov-map | 8 +- tests/coverage/conditions.cov-map | 404 +++++++++--------- tests/coverage/coroutine.cov-map | 8 +- tests/coverage/dead_code.cov-map | 8 +- tests/coverage/drop_trait.cov-map | 8 +- tests/coverage/fn_sig_into_try.cov-map | 24 +- tests/coverage/generics.cov-map | 8 +- tests/coverage/if.cov-map | 8 +- tests/coverage/if_else.cov-map | 21 +- tests/coverage/if_not.cov-map | 38 +- tests/coverage/inline-dead.cov-map | 8 +- tests/coverage/inline.cov-map | 8 +- tests/coverage/inner_items.cov-map | 21 +- tests/coverage/issue-84561.cov-map | 167 +++----- tests/coverage/lazy_boolean.cov-map | 236 ++-------- tests/coverage/loops_branches.cov-map | 240 +++++------ tests/coverage/match_or_pattern.cov-map | 96 ++--- tests/coverage/no_cov_crate.cov-map | 16 +- tests/coverage/overflow.cov-map | 8 +- tests/coverage/simple_loop.cov-map | 23 +- tests/coverage/simple_match.cov-map | 35 +- tests/coverage/sort_groups.cov-map | 40 +- tests/coverage/try_error_result.cov-map | 32 +- tests/coverage/unicode.cov-map | 28 +- tests/coverage/uses_inline_crate.cov-map | 8 +- tests/coverage/while.cov-map | 8 +- ...ment_coverage.main.InstrumentCoverage.diff | 6 +- ...rage_cleanup.main.CleanupPostBorrowck.diff | 4 +- ...erage_cleanup.main.InstrumentCoverage.diff | 4 +- 43 files changed, 845 insertions(+), 1315 deletions(-) diff --git a/compiler/rustc_mir_transform/src/coverage/counters.rs b/compiler/rustc_mir_transform/src/coverage/counters.rs index 908b1495b669..b5968517d772 100644 --- a/compiler/rustc_mir_transform/src/coverage/counters.rs +++ b/compiler/rustc_mir_transform/src/coverage/counters.rs @@ -115,6 +115,43 @@ impl CoverageCounters { expressions: &mut IndexVec, new_expr: BcbExpression, ) -> BcbCounter { + // Simplify expressions using basic algebra. + // + // Some of these cases might not actually occur in practice, depending + // on the details of how the instrumentor builds expressions. + let BcbExpression { lhs, op, rhs } = new_expr; + + if let BcbCounter::Expression { id } = lhs { + let lhs_expr = &expressions[id]; + + // Simplify `(a - b) + b` to `a`. + if lhs_expr.op == Op::Subtract && op == Op::Add && lhs_expr.rhs == rhs { + return lhs_expr.lhs; + } + // Simplify `(a + b) - b` to `a`. + if lhs_expr.op == Op::Add && op == Op::Subtract && lhs_expr.rhs == rhs { + return lhs_expr.lhs; + } + // Simplify `(a + b) - a` to `b`. + if lhs_expr.op == Op::Add && op == Op::Subtract && lhs_expr.lhs == rhs { + return lhs_expr.rhs; + } + } + + if let BcbCounter::Expression { id } = rhs { + let rhs_expr = &expressions[id]; + + // Simplify `a + (b - a)` to `b`. + if op == Op::Add && rhs_expr.op == Op::Subtract && lhs == rhs_expr.rhs { + return rhs_expr.lhs; + } + // Simplify `a - (a - b)` to `b`. + if op == Op::Subtract && rhs_expr.op == Op::Subtract && lhs == rhs_expr.lhs { + return rhs_expr.rhs; + } + } + + // Simplification failed, so actually create the new expression. let id = expressions.push(new_expr); BcbCounter::Expression { id } } diff --git a/tests/coverage/abort.cov-map b/tests/coverage/abort.cov-map index 1c36f2871dd1..5673fa98ca60 100644 --- a/tests/coverage/abort.cov-map +++ b/tests/coverage/abort.cov-map @@ -1,45 +1,37 @@ Function name: abort::main -Raw bytes (105): 0x[01, 01, 12, 01, 47, 05, 09, 03, 0d, 42, 11, 03, 0d, 11, 3e, 42, 11, 03, 0d, 3b, 15, 11, 3e, 42, 11, 03, 0d, 15, 36, 3b, 15, 11, 3e, 42, 11, 03, 0d, 05, 09, 0d, 01, 0e, 01, 01, 1b, 03, 02, 0b, 00, 18, 42, 01, 0c, 00, 19, 11, 00, 1a, 02, 0a, 3e, 02, 0a, 00, 0b, 3b, 02, 0c, 00, 19, 15, 00, 1a, 00, 31, 36, 00, 31, 00, 32, 33, 04, 0c, 00, 19, 05, 00, 1a, 00, 31, 09, 00, 31, 00, 32, 47, 01, 09, 00, 17, 0d, 02, 05, 01, 02] +Raw bytes (89): 0x[01, 01, 0a, 01, 27, 05, 09, 03, 0d, 22, 11, 03, 0d, 03, 0d, 22, 15, 03, 0d, 03, 0d, 05, 09, 0d, 01, 0e, 01, 01, 1b, 03, 02, 0b, 00, 18, 22, 01, 0c, 00, 19, 11, 00, 1a, 02, 0a, 0e, 02, 0a, 00, 0b, 22, 02, 0c, 00, 19, 15, 00, 1a, 00, 31, 1a, 00, 31, 00, 32, 22, 04, 0c, 00, 19, 05, 00, 1a, 00, 31, 09, 00, 31, 00, 32, 27, 01, 09, 00, 17, 0d, 02, 05, 01, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 18 -- expression 0 operands: lhs = Counter(0), rhs = Expression(17, Add) +Number of expressions: 10 +- expression 0 operands: lhs = Counter(0), rhs = Expression(9, Add) - expression 1 operands: lhs = Counter(1), rhs = Counter(2) - expression 2 operands: lhs = Expression(0, Add), rhs = Counter(3) -- expression 3 operands: lhs = Expression(16, Sub), rhs = Counter(4) +- expression 3 operands: lhs = Expression(8, Sub), rhs = Counter(4) - expression 4 operands: lhs = Expression(0, Add), rhs = Counter(3) -- expression 5 operands: lhs = Counter(4), rhs = Expression(15, Sub) -- expression 6 operands: lhs = Expression(16, Sub), rhs = Counter(4) +- expression 5 operands: lhs = Expression(0, Add), rhs = Counter(3) +- expression 6 operands: lhs = Expression(8, Sub), rhs = Counter(5) - expression 7 operands: lhs = Expression(0, Add), rhs = Counter(3) -- expression 8 operands: lhs = Expression(14, Add), rhs = Counter(5) -- expression 9 operands: lhs = Counter(4), rhs = Expression(15, Sub) -- expression 10 operands: lhs = Expression(16, Sub), rhs = Counter(4) -- expression 11 operands: lhs = Expression(0, Add), rhs = Counter(3) -- expression 12 operands: lhs = Counter(5), rhs = Expression(13, Sub) -- expression 13 operands: lhs = Expression(14, Add), rhs = Counter(5) -- expression 14 operands: lhs = Counter(4), rhs = Expression(15, Sub) -- expression 15 operands: lhs = Expression(16, Sub), rhs = Counter(4) -- expression 16 operands: lhs = Expression(0, Add), rhs = Counter(3) -- expression 17 operands: lhs = Counter(1), rhs = Counter(2) +- expression 8 operands: lhs = Expression(0, Add), rhs = Counter(3) +- expression 9 operands: lhs = Counter(1), rhs = Counter(2) Number of file 0 mappings: 13 - Code(Counter(0)) at (prev + 14, 1) to (start + 1, 27) - Code(Expression(0, Add)) at (prev + 2, 11) to (start + 0, 24) = (c0 + (c1 + c2)) -- Code(Expression(16, Sub)) at (prev + 1, 12) to (start + 0, 25) +- Code(Expression(8, Sub)) at (prev + 1, 12) to (start + 0, 25) = ((c0 + (c1 + c2)) - c3) - Code(Counter(4)) at (prev + 0, 26) to (start + 2, 10) -- Code(Expression(15, Sub)) at (prev + 2, 10) to (start + 0, 11) +- Code(Expression(3, Sub)) at (prev + 2, 10) to (start + 0, 11) = (((c0 + (c1 + c2)) - c3) - c4) -- Code(Expression(14, Add)) at (prev + 2, 12) to (start + 0, 25) - = (c4 + (((c0 + (c1 + c2)) - c3) - c4)) +- Code(Expression(8, Sub)) at (prev + 2, 12) to (start + 0, 25) + = ((c0 + (c1 + c2)) - c3) - Code(Counter(5)) at (prev + 0, 26) to (start + 0, 49) -- Code(Expression(13, Sub)) at (prev + 0, 49) to (start + 0, 50) - = ((c4 + (((c0 + (c1 + c2)) - c3) - c4)) - c5) -- Code(Expression(12, Add)) at (prev + 4, 12) to (start + 0, 25) - = (c5 + ((c4 + (((c0 + (c1 + c2)) - c3) - c4)) - c5)) +- Code(Expression(6, Sub)) at (prev + 0, 49) to (start + 0, 50) + = (((c0 + (c1 + c2)) - c3) - c5) +- Code(Expression(8, Sub)) at (prev + 4, 12) to (start + 0, 25) + = ((c0 + (c1 + c2)) - c3) - Code(Counter(1)) at (prev + 0, 26) to (start + 0, 49) - Code(Counter(2)) at (prev + 0, 49) to (start + 0, 50) -- Code(Expression(17, Add)) at (prev + 1, 9) to (start + 0, 23) +- Code(Expression(9, Add)) at (prev + 1, 9) to (start + 0, 23) = (c1 + c2) - Code(Counter(3)) at (prev + 2, 5) to (start + 1, 2) diff --git a/tests/coverage/async.cov-map b/tests/coverage/async.cov-map index e06d1676358f..7d16372375a7 100644 --- a/tests/coverage/async.cov-map +++ b/tests/coverage/async.cov-map @@ -7,19 +7,17 @@ Number of file 0 mappings: 1 - Code(Counter(0)) at (prev + 9, 1) to (start + 0, 25) Function name: async::c::{closure#0} -Raw bytes (28): 0x[01, 01, 02, 01, 05, 05, 02, 04, 01, 09, 19, 01, 0e, 05, 02, 09, 00, 0a, 02, 02, 09, 00, 0a, 07, 02, 01, 00, 02] +Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 09, 19, 01, 0e, 05, 02, 09, 00, 0a, 02, 02, 09, 00, 0a, 01, 02, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 9, 25) to (start + 1, 14) - Code(Counter(1)) at (prev + 2, 9) to (start + 0, 10) - Code(Expression(0, Sub)) at (prev + 2, 9) to (start + 0, 10) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 2, 1) to (start + 0, 2) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 2, 1) to (start + 0, 2) Function name: async::d Raw bytes (9): 0x[01, 01, 00, 01, 01, 11, 01, 00, 14] @@ -188,19 +186,17 @@ Number of file 0 mappings: 9 = ((c1 + c2) + c3) Function name: async::j::c -Raw bytes (28): 0x[01, 01, 02, 01, 05, 05, 02, 04, 01, 37, 05, 01, 12, 05, 02, 0d, 00, 0e, 02, 0a, 0d, 00, 0e, 07, 02, 05, 00, 06] +Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 37, 05, 01, 12, 05, 02, 0d, 00, 0e, 02, 0a, 0d, 00, 0e, 01, 02, 05, 00, 06] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 55, 5) to (start + 1, 18) - Code(Counter(1)) at (prev + 2, 13) to (start + 0, 14) - Code(Expression(0, Sub)) at (prev + 10, 13) to (start + 0, 14) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 2, 5) to (start + 0, 6) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 2, 5) to (start + 0, 6) Function name: async::j::d Raw bytes (9): 0x[01, 01, 00, 01, 01, 46, 05, 00, 17] diff --git a/tests/coverage/async2.cov-map b/tests/coverage/async2.cov-map index 28f319bfb80b..e39a1d7dd2f9 100644 --- a/tests/coverage/async2.cov-map +++ b/tests/coverage/async2.cov-map @@ -7,17 +7,15 @@ Number of file 0 mappings: 1 - Code(Counter(0)) at (prev + 13, 1) to (start + 0, 23) Function name: async2::async_func::{closure#0} -Raw bytes (26): 0x[01, 01, 01, 05, 00, 04, 01, 0d, 17, 03, 09, 05, 03, 0a, 02, 06, 00, 02, 06, 00, 07, 03, 01, 01, 00, 02] +Raw bytes (24): 0x[01, 01, 00, 04, 01, 0d, 17, 03, 09, 05, 03, 0a, 02, 06, 00, 02, 06, 00, 07, 01, 01, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 1 -- expression 0 operands: lhs = Counter(1), rhs = Zero +Number of expressions: 0 Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 13, 23) to (start + 3, 9) - Code(Counter(1)) at (prev + 3, 10) to (start + 2, 6) - Code(Zero) at (prev + 2, 6) to (start + 0, 7) -- Code(Expression(0, Add)) at (prev + 1, 1) to (start + 0, 2) - = (c1 + Zero) +- Code(Counter(0)) at (prev + 1, 1) to (start + 0, 2) Function name: async2::async_func_just_println Raw bytes (9): 0x[01, 01, 00, 01, 01, 15, 01, 00, 24] @@ -44,15 +42,13 @@ Number of file 0 mappings: 1 - Code(Counter(0)) at (prev + 25, 1) to (start + 7, 2) Function name: async2::non_async_func -Raw bytes (26): 0x[01, 01, 01, 05, 00, 04, 01, 05, 01, 03, 09, 05, 03, 0a, 02, 06, 00, 02, 06, 00, 07, 03, 01, 01, 00, 02] +Raw bytes (24): 0x[01, 01, 00, 04, 01, 05, 01, 03, 09, 05, 03, 0a, 02, 06, 00, 02, 06, 00, 07, 01, 01, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 1 -- expression 0 operands: lhs = Counter(1), rhs = Zero +Number of expressions: 0 Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 5, 1) to (start + 3, 9) - Code(Counter(1)) at (prev + 3, 10) to (start + 2, 6) - Code(Zero) at (prev + 2, 6) to (start + 0, 7) -- Code(Expression(0, Add)) at (prev + 1, 1) to (start + 0, 2) - = (c1 + Zero) +- Code(Counter(0)) at (prev + 1, 1) to (start + 0, 2) diff --git a/tests/coverage/async_block.cov-map b/tests/coverage/async_block.cov-map index 104133f6e678..e54c15c04362 100644 --- a/tests/coverage/async_block.cov-map +++ b/tests/coverage/async_block.cov-map @@ -1,10 +1,9 @@ Function name: async_block::main -Raw bytes (38): 0x[01, 01, 02, 01, 05, 03, 05, 06, 01, 05, 01, 00, 0b, 05, 01, 09, 00, 0a, 03, 00, 0e, 00, 13, 05, 00, 14, 01, 16, 05, 07, 0a, 02, 06, 06, 03, 01, 00, 02] +Raw bytes (36): 0x[01, 01, 01, 01, 05, 06, 01, 05, 01, 00, 0b, 05, 01, 09, 00, 0a, 03, 00, 0e, 00, 13, 05, 00, 14, 01, 16, 05, 07, 0a, 02, 06, 01, 03, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Expression(0, Add), rhs = Counter(1) Number of file 0 mappings: 6 - Code(Counter(0)) at (prev + 5, 1) to (start + 0, 11) - Code(Counter(1)) at (prev + 1, 9) to (start + 0, 10) @@ -12,21 +11,18 @@ Number of file 0 mappings: 6 = (c0 + c1) - Code(Counter(1)) at (prev + 0, 20) to (start + 1, 22) - Code(Counter(1)) at (prev + 7, 10) to (start + 2, 6) -- Code(Expression(1, Sub)) at (prev + 3, 1) to (start + 0, 2) - = ((c0 + c1) - c1) +- Code(Counter(0)) at (prev + 3, 1) to (start + 0, 2) Function name: async_block::main::{closure#0} -Raw bytes (28): 0x[01, 01, 02, 01, 05, 05, 02, 04, 01, 07, 1c, 01, 17, 05, 01, 18, 02, 0e, 02, 02, 14, 02, 0e, 07, 03, 09, 00, 0a] +Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 07, 1c, 01, 17, 05, 01, 18, 02, 0e, 02, 02, 14, 02, 0e, 01, 03, 09, 00, 0a] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 7, 28) to (start + 1, 23) - Code(Counter(1)) at (prev + 1, 24) to (start + 2, 14) - Code(Expression(0, Sub)) at (prev + 2, 20) to (start + 2, 14) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 3, 9) to (start + 0, 10) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 3, 9) to (start + 0, 10) diff --git a/tests/coverage/branch/generics.cov-map b/tests/coverage/branch/generics.cov-map index d729b0c260a5..2e5668c8b568 100644 --- a/tests/coverage/branch/generics.cov-map +++ b/tests/coverage/branch/generics.cov-map @@ -1,10 +1,9 @@ Function name: generics::print_size::<()> -Raw bytes (35): 0x[01, 01, 02, 01, 05, 05, 02, 05, 01, 06, 01, 01, 24, 20, 05, 02, 01, 08, 00, 24, 05, 00, 25, 02, 06, 02, 02, 0c, 02, 06, 07, 03, 01, 00, 02] +Raw bytes (33): 0x[01, 01, 01, 01, 05, 05, 01, 06, 01, 01, 24, 20, 05, 02, 01, 08, 00, 24, 05, 00, 25, 02, 06, 02, 02, 0c, 02, 06, 01, 03, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 5 - Code(Counter(0)) at (prev + 6, 1) to (start + 1, 36) - Branch { true: Counter(1), false: Expression(0, Sub) } at (prev + 1, 8) to (start + 0, 36) @@ -13,16 +12,14 @@ Number of file 0 mappings: 5 - Code(Counter(1)) at (prev + 0, 37) to (start + 2, 6) - Code(Expression(0, Sub)) at (prev + 2, 12) to (start + 2, 6) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 3, 1) to (start + 0, 2) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 3, 1) to (start + 0, 2) Function name: generics::print_size:: -Raw bytes (35): 0x[01, 01, 02, 01, 05, 05, 02, 05, 01, 06, 01, 01, 24, 20, 05, 02, 01, 08, 00, 24, 05, 00, 25, 02, 06, 02, 02, 0c, 02, 06, 07, 03, 01, 00, 02] +Raw bytes (33): 0x[01, 01, 01, 01, 05, 05, 01, 06, 01, 01, 24, 20, 05, 02, 01, 08, 00, 24, 05, 00, 25, 02, 06, 02, 02, 0c, 02, 06, 01, 03, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 5 - Code(Counter(0)) at (prev + 6, 1) to (start + 1, 36) - Branch { true: Counter(1), false: Expression(0, Sub) } at (prev + 1, 8) to (start + 0, 36) @@ -31,16 +28,14 @@ Number of file 0 mappings: 5 - Code(Counter(1)) at (prev + 0, 37) to (start + 2, 6) - Code(Expression(0, Sub)) at (prev + 2, 12) to (start + 2, 6) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 3, 1) to (start + 0, 2) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 3, 1) to (start + 0, 2) Function name: generics::print_size:: -Raw bytes (35): 0x[01, 01, 02, 01, 05, 05, 02, 05, 01, 06, 01, 01, 24, 20, 05, 02, 01, 08, 00, 24, 05, 00, 25, 02, 06, 02, 02, 0c, 02, 06, 07, 03, 01, 00, 02] +Raw bytes (33): 0x[01, 01, 01, 01, 05, 05, 01, 06, 01, 01, 24, 20, 05, 02, 01, 08, 00, 24, 05, 00, 25, 02, 06, 02, 02, 0c, 02, 06, 01, 03, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 5 - Code(Counter(0)) at (prev + 6, 1) to (start + 1, 36) - Branch { true: Counter(1), false: Expression(0, Sub) } at (prev + 1, 8) to (start + 0, 36) @@ -49,6 +44,5 @@ Number of file 0 mappings: 5 - Code(Counter(1)) at (prev + 0, 37) to (start + 2, 6) - Code(Expression(0, Sub)) at (prev + 2, 12) to (start + 2, 6) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 3, 1) to (start + 0, 2) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 3, 1) to (start + 0, 2) diff --git a/tests/coverage/branch/if-let.cov-map b/tests/coverage/branch/if-let.cov-map index 0c7d986933e7..0b098bc6497c 100644 --- a/tests/coverage/branch/if-let.cov-map +++ b/tests/coverage/branch/if-let.cov-map @@ -1,10 +1,9 @@ Function name: if_let::if_let -Raw bytes (45): 0x[01, 01, 02, 05, 09, 09, 02, 07, 01, 0c, 01, 01, 10, 20, 02, 09, 03, 0c, 00, 13, 02, 00, 11, 00, 12, 05, 00, 16, 00, 1b, 02, 00, 1c, 02, 06, 09, 02, 0c, 02, 06, 07, 03, 05, 01, 02] +Raw bytes (43): 0x[01, 01, 01, 05, 09, 07, 01, 0c, 01, 01, 10, 20, 02, 09, 03, 0c, 00, 13, 02, 00, 11, 00, 12, 05, 00, 16, 00, 1b, 02, 00, 1c, 02, 06, 09, 02, 0c, 02, 06, 05, 03, 05, 01, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(1), rhs = Counter(2) -- expression 1 operands: lhs = Counter(2), rhs = Expression(0, Sub) Number of file 0 mappings: 7 - Code(Counter(0)) at (prev + 12, 1) to (start + 1, 16) - Branch { true: Expression(0, Sub), false: Counter(2) } at (prev + 3, 12) to (start + 0, 19) @@ -16,8 +15,7 @@ Number of file 0 mappings: 7 - Code(Expression(0, Sub)) at (prev + 0, 28) to (start + 2, 6) = (c1 - c2) - Code(Counter(2)) at (prev + 2, 12) to (start + 2, 6) -- Code(Expression(1, Add)) at (prev + 3, 5) to (start + 1, 2) - = (c2 + (c1 - c2)) +- Code(Counter(1)) at (prev + 3, 5) to (start + 1, 2) Function name: if_let::if_let_chain Raw bytes (66): 0x[01, 01, 04, 01, 05, 05, 09, 0f, 0d, 05, 09, 0a, 01, 17, 01, 00, 33, 20, 02, 05, 01, 0c, 00, 13, 02, 00, 11, 00, 12, 01, 00, 16, 00, 17, 20, 0d, 09, 01, 10, 00, 17, 0d, 00, 15, 00, 16, 02, 00, 1a, 00, 1b, 0d, 01, 05, 03, 06, 0f, 03, 0c, 02, 06, 0b, 03, 05, 01, 02] diff --git a/tests/coverage/branch/if.cov-map b/tests/coverage/branch/if.cov-map index 50f6216e0698..7f4ee980e262 100644 --- a/tests/coverage/branch/if.cov-map +++ b/tests/coverage/branch/if.cov-map @@ -24,51 +24,17 @@ Number of file 0 mappings: 8 = (c4 + (c3 + (c1 - c2))) Function name: if::branch_not -Raw bytes (224): 0x[01, 01, 29, 05, 09, 09, 02, a3, 01, 0d, 09, 02, a3, 01, 0d, 09, 02, 0d, 9e, 01, a3, 01, 0d, 09, 02, 9b, 01, 11, 0d, 9e, 01, a3, 01, 0d, 09, 02, 9b, 01, 11, 0d, 9e, 01, a3, 01, 0d, 09, 02, 11, 96, 01, 9b, 01, 11, 0d, 9e, 01, a3, 01, 0d, 09, 02, 93, 01, 15, 11, 96, 01, 9b, 01, 11, 0d, 9e, 01, a3, 01, 0d, 09, 02, 93, 01, 15, 11, 96, 01, 9b, 01, 11, 0d, 9e, 01, a3, 01, 0d, 09, 02, 15, 8e, 01, 93, 01, 15, 11, 96, 01, 9b, 01, 11, 0d, 9e, 01, a3, 01, 0d, 09, 02, 12, 01, 0c, 01, 01, 10, 05, 03, 08, 00, 09, 20, 09, 02, 00, 08, 00, 09, 09, 01, 09, 00, 11, 02, 01, 06, 00, 07, a3, 01, 01, 08, 00, 0a, 20, 9e, 01, 0d, 00, 08, 00, 0a, 9e, 01, 00, 0b, 02, 06, 0d, 02, 06, 00, 07, 9b, 01, 01, 08, 00, 0b, 20, 11, 96, 01, 00, 08, 00, 0b, 11, 00, 0c, 02, 06, 96, 01, 02, 06, 00, 07, 93, 01, 01, 08, 00, 0c, 20, 8e, 01, 15, 00, 08, 00, 0c, 8e, 01, 00, 0d, 02, 06, 15, 02, 06, 00, 07, 8b, 01, 01, 01, 00, 02] +Raw bytes (116): 0x[01, 01, 07, 05, 09, 05, 0d, 05, 0d, 05, 11, 05, 11, 05, 15, 05, 15, 12, 01, 0c, 01, 01, 10, 05, 03, 08, 00, 09, 20, 09, 02, 00, 08, 00, 09, 09, 01, 09, 00, 11, 02, 01, 06, 00, 07, 05, 01, 08, 00, 0a, 20, 0a, 0d, 00, 08, 00, 0a, 0a, 00, 0b, 02, 06, 0d, 02, 06, 00, 07, 05, 01, 08, 00, 0b, 20, 11, 12, 00, 08, 00, 0b, 11, 00, 0c, 02, 06, 12, 02, 06, 00, 07, 05, 01, 08, 00, 0c, 20, 1a, 15, 00, 08, 00, 0c, 1a, 00, 0d, 02, 06, 15, 02, 06, 00, 07, 05, 01, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 41 +Number of expressions: 7 - expression 0 operands: lhs = Counter(1), rhs = Counter(2) -- expression 1 operands: lhs = Counter(2), rhs = Expression(0, Sub) -- expression 2 operands: lhs = Expression(40, Add), rhs = Counter(3) -- expression 3 operands: lhs = Counter(2), rhs = Expression(0, Sub) -- expression 4 operands: lhs = Expression(40, Add), rhs = Counter(3) -- expression 5 operands: lhs = Counter(2), rhs = Expression(0, Sub) -- expression 6 operands: lhs = Counter(3), rhs = Expression(39, Sub) -- expression 7 operands: lhs = Expression(40, Add), rhs = Counter(3) -- expression 8 operands: lhs = Counter(2), rhs = Expression(0, Sub) -- expression 9 operands: lhs = Expression(38, Add), rhs = Counter(4) -- expression 10 operands: lhs = Counter(3), rhs = Expression(39, Sub) -- expression 11 operands: lhs = Expression(40, Add), rhs = Counter(3) -- expression 12 operands: lhs = Counter(2), rhs = Expression(0, Sub) -- expression 13 operands: lhs = Expression(38, Add), rhs = Counter(4) -- expression 14 operands: lhs = Counter(3), rhs = Expression(39, Sub) -- expression 15 operands: lhs = Expression(40, Add), rhs = Counter(3) -- expression 16 operands: lhs = Counter(2), rhs = Expression(0, Sub) -- expression 17 operands: lhs = Counter(4), rhs = Expression(37, Sub) -- expression 18 operands: lhs = Expression(38, Add), rhs = Counter(4) -- expression 19 operands: lhs = Counter(3), rhs = Expression(39, Sub) -- expression 20 operands: lhs = Expression(40, Add), rhs = Counter(3) -- expression 21 operands: lhs = Counter(2), rhs = Expression(0, Sub) -- expression 22 operands: lhs = Expression(36, Add), rhs = Counter(5) -- expression 23 operands: lhs = Counter(4), rhs = Expression(37, Sub) -- expression 24 operands: lhs = Expression(38, Add), rhs = Counter(4) -- expression 25 operands: lhs = Counter(3), rhs = Expression(39, Sub) -- expression 26 operands: lhs = Expression(40, Add), rhs = Counter(3) -- expression 27 operands: lhs = Counter(2), rhs = Expression(0, Sub) -- expression 28 operands: lhs = Expression(36, Add), rhs = Counter(5) -- expression 29 operands: lhs = Counter(4), rhs = Expression(37, Sub) -- expression 30 operands: lhs = Expression(38, Add), rhs = Counter(4) -- expression 31 operands: lhs = Counter(3), rhs = Expression(39, Sub) -- expression 32 operands: lhs = Expression(40, Add), rhs = Counter(3) -- expression 33 operands: lhs = Counter(2), rhs = Expression(0, Sub) -- expression 34 operands: lhs = Counter(5), rhs = Expression(35, Sub) -- expression 35 operands: lhs = Expression(36, Add), rhs = Counter(5) -- expression 36 operands: lhs = Counter(4), rhs = Expression(37, Sub) -- expression 37 operands: lhs = Expression(38, Add), rhs = Counter(4) -- expression 38 operands: lhs = Counter(3), rhs = Expression(39, Sub) -- expression 39 operands: lhs = Expression(40, Add), rhs = Counter(3) -- expression 40 operands: lhs = Counter(2), rhs = Expression(0, Sub) +- expression 1 operands: lhs = Counter(1), rhs = Counter(3) +- expression 2 operands: lhs = Counter(1), rhs = Counter(3) +- expression 3 operands: lhs = Counter(1), rhs = Counter(4) +- expression 4 operands: lhs = Counter(1), rhs = Counter(4) +- expression 5 operands: lhs = Counter(1), rhs = Counter(5) +- expression 6 operands: lhs = Counter(1), rhs = Counter(5) Number of file 0 mappings: 18 - Code(Counter(0)) at (prev + 12, 1) to (start + 1, 16) - Code(Counter(1)) at (prev + 3, 8) to (start + 0, 9) @@ -78,60 +44,39 @@ Number of file 0 mappings: 18 - Code(Counter(2)) at (prev + 1, 9) to (start + 0, 17) - Code(Expression(0, Sub)) at (prev + 1, 6) to (start + 0, 7) = (c1 - c2) -- Code(Expression(40, Add)) at (prev + 1, 8) to (start + 0, 10) - = (c2 + (c1 - c2)) -- Branch { true: Expression(39, Sub), false: Counter(3) } at (prev + 0, 8) to (start + 0, 10) - true = ((c2 + (c1 - c2)) - c3) +- Code(Counter(1)) at (prev + 1, 8) to (start + 0, 10) +- Branch { true: Expression(2, Sub), false: Counter(3) } at (prev + 0, 8) to (start + 0, 10) + true = (c1 - c3) false = c3 -- Code(Expression(39, Sub)) at (prev + 0, 11) to (start + 2, 6) - = ((c2 + (c1 - c2)) - c3) +- Code(Expression(2, Sub)) at (prev + 0, 11) to (start + 2, 6) + = (c1 - c3) - Code(Counter(3)) at (prev + 2, 6) to (start + 0, 7) -- Code(Expression(38, Add)) at (prev + 1, 8) to (start + 0, 11) - = (c3 + ((c2 + (c1 - c2)) - c3)) -- Branch { true: Counter(4), false: Expression(37, Sub) } at (prev + 0, 8) to (start + 0, 11) +- Code(Counter(1)) at (prev + 1, 8) to (start + 0, 11) +- Branch { true: Counter(4), false: Expression(4, Sub) } at (prev + 0, 8) to (start + 0, 11) true = c4 - false = ((c3 + ((c2 + (c1 - c2)) - c3)) - c4) + false = (c1 - c4) - Code(Counter(4)) at (prev + 0, 12) to (start + 2, 6) -- Code(Expression(37, Sub)) at (prev + 2, 6) to (start + 0, 7) - = ((c3 + ((c2 + (c1 - c2)) - c3)) - c4) -- Code(Expression(36, Add)) at (prev + 1, 8) to (start + 0, 12) - = (c4 + ((c3 + ((c2 + (c1 - c2)) - c3)) - c4)) -- Branch { true: Expression(35, Sub), false: Counter(5) } at (prev + 0, 8) to (start + 0, 12) - true = ((c4 + ((c3 + ((c2 + (c1 - c2)) - c3)) - c4)) - c5) +- Code(Expression(4, Sub)) at (prev + 2, 6) to (start + 0, 7) + = (c1 - c4) +- Code(Counter(1)) at (prev + 1, 8) to (start + 0, 12) +- Branch { true: Expression(6, Sub), false: Counter(5) } at (prev + 0, 8) to (start + 0, 12) + true = (c1 - c5) false = c5 -- Code(Expression(35, Sub)) at (prev + 0, 13) to (start + 2, 6) - = ((c4 + ((c3 + ((c2 + (c1 - c2)) - c3)) - c4)) - c5) +- Code(Expression(6, Sub)) at (prev + 0, 13) to (start + 2, 6) + = (c1 - c5) - Code(Counter(5)) at (prev + 2, 6) to (start + 0, 7) -- Code(Expression(34, Add)) at (prev + 1, 1) to (start + 0, 2) - = (c5 + ((c4 + ((c3 + ((c2 + (c1 - c2)) - c3)) - c4)) - c5)) +- Code(Counter(1)) at (prev + 1, 1) to (start + 0, 2) Function name: if::branch_not_as -Raw bytes (124): 0x[01, 01, 16, 05, 09, 09, 02, 57, 0d, 09, 02, 57, 0d, 09, 02, 0d, 52, 57, 0d, 09, 02, 4f, 11, 0d, 52, 57, 0d, 09, 02, 4f, 11, 0d, 52, 57, 0d, 09, 02, 11, 4a, 4f, 11, 0d, 52, 57, 0d, 09, 02, 0e, 01, 1d, 01, 01, 10, 05, 03, 08, 00, 14, 20, 02, 09, 00, 08, 00, 14, 02, 00, 15, 02, 06, 09, 02, 06, 00, 07, 57, 01, 08, 00, 15, 20, 0d, 52, 00, 08, 00, 15, 0d, 00, 16, 02, 06, 52, 02, 06, 00, 07, 4f, 01, 08, 00, 16, 20, 4a, 11, 00, 08, 00, 16, 4a, 00, 17, 02, 06, 11, 02, 06, 00, 07, 47, 01, 01, 00, 02] +Raw bytes (90): 0x[01, 01, 05, 05, 09, 05, 0d, 05, 0d, 05, 11, 05, 11, 0e, 01, 1d, 01, 01, 10, 05, 03, 08, 00, 14, 20, 02, 09, 00, 08, 00, 14, 02, 00, 15, 02, 06, 09, 02, 06, 00, 07, 05, 01, 08, 00, 15, 20, 0d, 0a, 00, 08, 00, 15, 0d, 00, 16, 02, 06, 0a, 02, 06, 00, 07, 05, 01, 08, 00, 16, 20, 12, 11, 00, 08, 00, 16, 12, 00, 17, 02, 06, 11, 02, 06, 00, 07, 05, 01, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 22 +Number of expressions: 5 - expression 0 operands: lhs = Counter(1), rhs = Counter(2) -- expression 1 operands: lhs = Counter(2), rhs = Expression(0, Sub) -- expression 2 operands: lhs = Expression(21, Add), rhs = Counter(3) -- expression 3 operands: lhs = Counter(2), rhs = Expression(0, Sub) -- expression 4 operands: lhs = Expression(21, Add), rhs = Counter(3) -- expression 5 operands: lhs = Counter(2), rhs = Expression(0, Sub) -- expression 6 operands: lhs = Counter(3), rhs = Expression(20, Sub) -- expression 7 operands: lhs = Expression(21, Add), rhs = Counter(3) -- expression 8 operands: lhs = Counter(2), rhs = Expression(0, Sub) -- expression 9 operands: lhs = Expression(19, Add), rhs = Counter(4) -- expression 10 operands: lhs = Counter(3), rhs = Expression(20, Sub) -- expression 11 operands: lhs = Expression(21, Add), rhs = Counter(3) -- expression 12 operands: lhs = Counter(2), rhs = Expression(0, Sub) -- expression 13 operands: lhs = Expression(19, Add), rhs = Counter(4) -- expression 14 operands: lhs = Counter(3), rhs = Expression(20, Sub) -- expression 15 operands: lhs = Expression(21, Add), rhs = Counter(3) -- expression 16 operands: lhs = Counter(2), rhs = Expression(0, Sub) -- expression 17 operands: lhs = Counter(4), rhs = Expression(18, Sub) -- expression 18 operands: lhs = Expression(19, Add), rhs = Counter(4) -- expression 19 operands: lhs = Counter(3), rhs = Expression(20, Sub) -- expression 20 operands: lhs = Expression(21, Add), rhs = Counter(3) -- expression 21 operands: lhs = Counter(2), rhs = Expression(0, Sub) +- expression 1 operands: lhs = Counter(1), rhs = Counter(3) +- expression 2 operands: lhs = Counter(1), rhs = Counter(3) +- expression 3 operands: lhs = Counter(1), rhs = Counter(4) +- expression 4 operands: lhs = Counter(1), rhs = Counter(4) Number of file 0 mappings: 14 - Code(Counter(0)) at (prev + 29, 1) to (start + 1, 16) - Code(Counter(1)) at (prev + 3, 8) to (start + 0, 20) @@ -141,24 +86,21 @@ Number of file 0 mappings: 14 - Code(Expression(0, Sub)) at (prev + 0, 21) to (start + 2, 6) = (c1 - c2) - Code(Counter(2)) at (prev + 2, 6) to (start + 0, 7) -- Code(Expression(21, Add)) at (prev + 1, 8) to (start + 0, 21) - = (c2 + (c1 - c2)) -- Branch { true: Counter(3), false: Expression(20, Sub) } at (prev + 0, 8) to (start + 0, 21) +- Code(Counter(1)) at (prev + 1, 8) to (start + 0, 21) +- Branch { true: Counter(3), false: Expression(2, Sub) } at (prev + 0, 8) to (start + 0, 21) true = c3 - false = ((c2 + (c1 - c2)) - c3) + false = (c1 - c3) - Code(Counter(3)) at (prev + 0, 22) to (start + 2, 6) -- Code(Expression(20, Sub)) at (prev + 2, 6) to (start + 0, 7) - = ((c2 + (c1 - c2)) - c3) -- Code(Expression(19, Add)) at (prev + 1, 8) to (start + 0, 22) - = (c3 + ((c2 + (c1 - c2)) - c3)) -- Branch { true: Expression(18, Sub), false: Counter(4) } at (prev + 0, 8) to (start + 0, 22) - true = ((c3 + ((c2 + (c1 - c2)) - c3)) - c4) +- Code(Expression(2, Sub)) at (prev + 2, 6) to (start + 0, 7) + = (c1 - c3) +- Code(Counter(1)) at (prev + 1, 8) to (start + 0, 22) +- Branch { true: Expression(4, Sub), false: Counter(4) } at (prev + 0, 8) to (start + 0, 22) + true = (c1 - c4) false = c4 -- Code(Expression(18, Sub)) at (prev + 0, 23) to (start + 2, 6) - = ((c3 + ((c2 + (c1 - c2)) - c3)) - c4) +- Code(Expression(4, Sub)) at (prev + 0, 23) to (start + 2, 6) + = (c1 - c4) - Code(Counter(4)) at (prev + 2, 6) to (start + 0, 7) -- Code(Expression(17, Add)) at (prev + 1, 1) to (start + 0, 2) - = (c4 + ((c3 + ((c2 + (c1 - c2)) - c3)) - c4)) +- Code(Counter(1)) at (prev + 1, 1) to (start + 0, 2) Function name: if::branch_or Raw bytes (56): 0x[01, 01, 04, 05, 09, 09, 0d, 0f, 11, 09, 0d, 08, 01, 35, 01, 01, 10, 05, 03, 08, 00, 09, 20, 09, 02, 00, 08, 00, 09, 02, 00, 0d, 00, 0e, 20, 0d, 11, 00, 0d, 00, 0e, 0f, 00, 0f, 02, 06, 11, 02, 0c, 02, 06, 0b, 03, 01, 00, 02] diff --git a/tests/coverage/branch/lazy-boolean.cov-map b/tests/coverage/branch/lazy-boolean.cov-map index e2d731022d7c..09ce91376733 100644 --- a/tests/coverage/branch/lazy-boolean.cov-map +++ b/tests/coverage/branch/lazy-boolean.cov-map @@ -1,44 +1,35 @@ Function name: lazy_boolean::branch_and -Raw bytes (42): 0x[01, 01, 03, 09, 0a, 05, 09, 05, 09, 06, 01, 13, 01, 01, 10, 03, 04, 09, 00, 0a, 05, 00, 0d, 00, 0e, 20, 09, 0a, 00, 0d, 00, 0e, 09, 00, 12, 00, 13, 03, 01, 05, 01, 02] +Raw bytes (38): 0x[01, 01, 01, 05, 09, 06, 01, 13, 01, 01, 10, 05, 04, 09, 00, 0a, 05, 00, 0d, 00, 0e, 20, 09, 02, 00, 0d, 00, 0e, 09, 00, 12, 00, 13, 05, 01, 05, 01, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 3 -- expression 0 operands: lhs = Counter(2), rhs = Expression(2, Sub) -- expression 1 operands: lhs = Counter(1), rhs = Counter(2) -- expression 2 operands: lhs = Counter(1), rhs = Counter(2) +Number of expressions: 1 +- expression 0 operands: lhs = Counter(1), rhs = Counter(2) Number of file 0 mappings: 6 - Code(Counter(0)) at (prev + 19, 1) to (start + 1, 16) -- Code(Expression(0, Add)) at (prev + 4, 9) to (start + 0, 10) - = (c2 + (c1 - c2)) +- Code(Counter(1)) at (prev + 4, 9) to (start + 0, 10) - Code(Counter(1)) at (prev + 0, 13) to (start + 0, 14) -- Branch { true: Counter(2), false: Expression(2, Sub) } at (prev + 0, 13) to (start + 0, 14) +- Branch { true: Counter(2), false: Expression(0, Sub) } at (prev + 0, 13) to (start + 0, 14) true = c2 false = (c1 - c2) - Code(Counter(2)) at (prev + 0, 18) to (start + 0, 19) -- Code(Expression(0, Add)) at (prev + 1, 5) to (start + 1, 2) - = (c2 + (c1 - c2)) +- Code(Counter(1)) at (prev + 1, 5) to (start + 1, 2) Function name: lazy_boolean::branch_or -Raw bytes (44): 0x[01, 01, 04, 09, 0e, 05, 09, 05, 09, 05, 09, 06, 01, 1b, 01, 01, 10, 03, 04, 09, 00, 0a, 05, 00, 0d, 00, 0e, 20, 09, 0e, 00, 0d, 00, 0e, 0e, 00, 12, 00, 13, 03, 01, 05, 01, 02] +Raw bytes (38): 0x[01, 01, 01, 05, 09, 06, 01, 1b, 01, 01, 10, 05, 04, 09, 00, 0a, 05, 00, 0d, 00, 0e, 20, 09, 02, 00, 0d, 00, 0e, 02, 00, 12, 00, 13, 05, 01, 05, 01, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 4 -- expression 0 operands: lhs = Counter(2), rhs = Expression(3, Sub) -- expression 1 operands: lhs = Counter(1), rhs = Counter(2) -- expression 2 operands: lhs = Counter(1), rhs = Counter(2) -- expression 3 operands: lhs = Counter(1), rhs = Counter(2) +Number of expressions: 1 +- expression 0 operands: lhs = Counter(1), rhs = Counter(2) Number of file 0 mappings: 6 - Code(Counter(0)) at (prev + 27, 1) to (start + 1, 16) -- Code(Expression(0, Add)) at (prev + 4, 9) to (start + 0, 10) - = (c2 + (c1 - c2)) +- Code(Counter(1)) at (prev + 4, 9) to (start + 0, 10) - Code(Counter(1)) at (prev + 0, 13) to (start + 0, 14) -- Branch { true: Counter(2), false: Expression(3, Sub) } at (prev + 0, 13) to (start + 0, 14) +- Branch { true: Counter(2), false: Expression(0, Sub) } at (prev + 0, 13) to (start + 0, 14) true = c2 false = (c1 - c2) -- Code(Expression(3, Sub)) at (prev + 0, 18) to (start + 0, 19) +- Code(Expression(0, Sub)) at (prev + 0, 18) to (start + 0, 19) = (c1 - c2) -- Code(Expression(0, Add)) at (prev + 1, 5) to (start + 1, 2) - = (c2 + (c1 - c2)) +- Code(Counter(1)) at (prev + 1, 5) to (start + 1, 2) Function name: lazy_boolean::chain Raw bytes (149): 0x[01, 01, 13, 11, 07, 0b, 16, 15, 1a, 09, 0d, 05, 09, 05, 09, 09, 0d, 47, 25, 4b, 21, 19, 1d, 03, 19, 03, 19, 3e, 1d, 03, 19, 3e, 1d, 03, 19, 47, 25, 4b, 21, 19, 1d, 13, 01, 24, 01, 01, 10, 03, 04, 09, 00, 0a, 05, 00, 0d, 00, 12, 20, 09, 16, 00, 0d, 00, 12, 09, 00, 16, 00, 1b, 20, 0d, 1a, 00, 16, 00, 1b, 0d, 00, 1f, 00, 24, 20, 11, 15, 00, 1f, 00, 24, 11, 00, 28, 00, 2d, 03, 01, 05, 00, 11, 43, 03, 09, 00, 0a, 03, 00, 0d, 00, 12, 20, 19, 3e, 00, 0d, 00, 12, 3e, 00, 16, 00, 1b, 20, 1d, 3a, 00, 16, 00, 1b, 3a, 00, 1f, 00, 24, 20, 21, 25, 00, 1f, 00, 24, 25, 00, 28, 00, 2d, 43, 01, 05, 01, 02] @@ -105,73 +96,71 @@ Number of file 0 mappings: 19 = (((c6 + c7) + c8) + c9) Function name: lazy_boolean::nested_mixed -Raw bytes (159): 0x[01, 01, 18, 07, 22, 11, 36, 3b, 11, 09, 0d, 26, 0d, 05, 09, 05, 09, 05, 09, 26, 0d, 05, 09, 09, 0d, 3b, 11, 09, 0d, 3b, 11, 09, 0d, 19, 5f, 1d, 21, 03, 15, 15, 19, 52, 56, 15, 19, 03, 15, 19, 5f, 1d, 21, 13, 01, 31, 01, 01, 10, 03, 04, 09, 00, 0a, 05, 00, 0e, 00, 13, 20, 09, 26, 00, 0e, 00, 13, 26, 00, 17, 00, 1d, 20, 0d, 22, 00, 17, 00, 1d, 3b, 00, 23, 00, 28, 20, 11, 36, 00, 23, 00, 28, 36, 00, 2c, 00, 33, 03, 01, 05, 00, 11, 5b, 03, 09, 00, 0a, 03, 00, 0e, 00, 13, 20, 15, 56, 00, 0e, 00, 13, 15, 00, 17, 00, 1c, 20, 19, 52, 00, 17, 00, 1c, 4f, 00, 22, 00, 28, 20, 1d, 21, 00, 22, 00, 28, 1d, 00, 2c, 00, 33, 5b, 01, 05, 01, 02] +Raw bytes (155): 0x[01, 01, 16, 33, 1a, 09, 0d, 1e, 0d, 05, 09, 05, 09, 05, 09, 1e, 0d, 05, 09, 09, 0d, 33, 11, 09, 0d, 33, 11, 09, 0d, 19, 57, 1d, 21, 03, 15, 15, 19, 4a, 4e, 15, 19, 03, 15, 19, 57, 1d, 21, 13, 01, 31, 01, 01, 10, 03, 04, 09, 00, 0a, 05, 00, 0e, 00, 13, 20, 09, 1e, 00, 0e, 00, 13, 1e, 00, 17, 00, 1d, 20, 0d, 1a, 00, 17, 00, 1d, 33, 00, 23, 00, 28, 20, 11, 2e, 00, 23, 00, 28, 2e, 00, 2c, 00, 33, 03, 01, 05, 00, 11, 53, 03, 09, 00, 0a, 03, 00, 0e, 00, 13, 20, 15, 4e, 00, 0e, 00, 13, 15, 00, 17, 00, 1c, 20, 19, 4a, 00, 17, 00, 1c, 47, 00, 22, 00, 28, 20, 1d, 21, 00, 22, 00, 28, 1d, 00, 2c, 00, 33, 53, 01, 05, 01, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 24 -- expression 0 operands: lhs = Expression(1, Add), rhs = Expression(8, Sub) -- expression 1 operands: lhs = Counter(4), rhs = Expression(13, Sub) -- expression 2 operands: lhs = Expression(14, Add), rhs = Counter(4) -- expression 3 operands: lhs = Counter(2), rhs = Counter(3) -- expression 4 operands: lhs = Expression(9, Sub), rhs = Counter(3) +Number of expressions: 22 +- expression 0 operands: lhs = Expression(12, Add), rhs = Expression(6, Sub) +- expression 1 operands: lhs = Counter(2), rhs = Counter(3) +- expression 2 operands: lhs = Expression(7, Sub), rhs = Counter(3) +- expression 3 operands: lhs = Counter(1), rhs = Counter(2) +- expression 4 operands: lhs = Counter(1), rhs = Counter(2) - expression 5 operands: lhs = Counter(1), rhs = Counter(2) -- expression 6 operands: lhs = Counter(1), rhs = Counter(2) +- expression 6 operands: lhs = Expression(7, Sub), rhs = Counter(3) - expression 7 operands: lhs = Counter(1), rhs = Counter(2) -- expression 8 operands: lhs = Expression(9, Sub), rhs = Counter(3) -- expression 9 operands: lhs = Counter(1), rhs = Counter(2) +- expression 8 operands: lhs = Counter(2), rhs = Counter(3) +- expression 9 operands: lhs = Expression(12, Add), rhs = Counter(4) - expression 10 operands: lhs = Counter(2), rhs = Counter(3) -- expression 11 operands: lhs = Expression(14, Add), rhs = Counter(4) +- expression 11 operands: lhs = Expression(12, Add), rhs = Counter(4) - expression 12 operands: lhs = Counter(2), rhs = Counter(3) -- expression 13 operands: lhs = Expression(14, Add), rhs = Counter(4) -- expression 14 operands: lhs = Counter(2), rhs = Counter(3) -- expression 15 operands: lhs = Counter(6), rhs = Expression(23, Add) -- expression 16 operands: lhs = Counter(7), rhs = Counter(8) -- expression 17 operands: lhs = Expression(0, Add), rhs = Counter(5) +- expression 13 operands: lhs = Counter(6), rhs = Expression(21, Add) +- expression 14 operands: lhs = Counter(7), rhs = Counter(8) +- expression 15 operands: lhs = Expression(0, Add), rhs = Counter(5) +- expression 16 operands: lhs = Counter(5), rhs = Counter(6) +- expression 17 operands: lhs = Expression(18, Sub), rhs = Expression(19, Sub) - expression 18 operands: lhs = Counter(5), rhs = Counter(6) -- expression 19 operands: lhs = Expression(20, Sub), rhs = Expression(21, Sub) -- expression 20 operands: lhs = Counter(5), rhs = Counter(6) -- expression 21 operands: lhs = Expression(0, Add), rhs = Counter(5) -- expression 22 operands: lhs = Counter(6), rhs = Expression(23, Add) -- expression 23 operands: lhs = Counter(7), rhs = Counter(8) +- expression 19 operands: lhs = Expression(0, Add), rhs = Counter(5) +- expression 20 operands: lhs = Counter(6), rhs = Expression(21, Add) +- expression 21 operands: lhs = Counter(7), rhs = Counter(8) Number of file 0 mappings: 19 - Code(Counter(0)) at (prev + 49, 1) to (start + 1, 16) - Code(Expression(0, Add)) at (prev + 4, 9) to (start + 0, 10) - = ((c4 + ((c2 + c3) - c4)) + ((c1 - c2) - c3)) + = ((c2 + c3) + ((c1 - c2) - c3)) - Code(Counter(1)) at (prev + 0, 14) to (start + 0, 19) -- Branch { true: Counter(2), false: Expression(9, Sub) } at (prev + 0, 14) to (start + 0, 19) +- Branch { true: Counter(2), false: Expression(7, Sub) } at (prev + 0, 14) to (start + 0, 19) true = c2 false = (c1 - c2) -- Code(Expression(9, Sub)) at (prev + 0, 23) to (start + 0, 29) +- Code(Expression(7, Sub)) at (prev + 0, 23) to (start + 0, 29) = (c1 - c2) -- Branch { true: Counter(3), false: Expression(8, Sub) } at (prev + 0, 23) to (start + 0, 29) +- Branch { true: Counter(3), false: Expression(6, Sub) } at (prev + 0, 23) to (start + 0, 29) true = c3 false = ((c1 - c2) - c3) -- Code(Expression(14, Add)) at (prev + 0, 35) to (start + 0, 40) +- Code(Expression(12, Add)) at (prev + 0, 35) to (start + 0, 40) = (c2 + c3) -- Branch { true: Counter(4), false: Expression(13, Sub) } at (prev + 0, 35) to (start + 0, 40) +- Branch { true: Counter(4), false: Expression(11, Sub) } at (prev + 0, 35) to (start + 0, 40) true = c4 false = ((c2 + c3) - c4) -- Code(Expression(13, Sub)) at (prev + 0, 44) to (start + 0, 51) +- Code(Expression(11, Sub)) at (prev + 0, 44) to (start + 0, 51) = ((c2 + c3) - c4) - Code(Expression(0, Add)) at (prev + 1, 5) to (start + 0, 17) - = ((c4 + ((c2 + c3) - c4)) + ((c1 - c2) - c3)) -- Code(Expression(22, Add)) at (prev + 3, 9) to (start + 0, 10) + = ((c2 + c3) + ((c1 - c2) - c3)) +- Code(Expression(20, Add)) at (prev + 3, 9) to (start + 0, 10) = (c6 + (c7 + c8)) - Code(Expression(0, Add)) at (prev + 0, 14) to (start + 0, 19) - = ((c4 + ((c2 + c3) - c4)) + ((c1 - c2) - c3)) -- Branch { true: Counter(5), false: Expression(21, Sub) } at (prev + 0, 14) to (start + 0, 19) + = ((c2 + c3) + ((c1 - c2) - c3)) +- Branch { true: Counter(5), false: Expression(19, Sub) } at (prev + 0, 14) to (start + 0, 19) true = c5 - false = (((c4 + ((c2 + c3) - c4)) + ((c1 - c2) - c3)) - c5) + false = (((c2 + c3) + ((c1 - c2) - c3)) - c5) - Code(Counter(5)) at (prev + 0, 23) to (start + 0, 28) -- Branch { true: Counter(6), false: Expression(20, Sub) } at (prev + 0, 23) to (start + 0, 28) +- Branch { true: Counter(6), false: Expression(18, Sub) } at (prev + 0, 23) to (start + 0, 28) true = c6 false = (c5 - c6) -- Code(Expression(19, Add)) at (prev + 0, 34) to (start + 0, 40) - = ((c5 - c6) + (((c4 + ((c2 + c3) - c4)) + ((c1 - c2) - c3)) - c5)) +- Code(Expression(17, Add)) at (prev + 0, 34) to (start + 0, 40) + = ((c5 - c6) + (((c2 + c3) + ((c1 - c2) - c3)) - c5)) - Branch { true: Counter(7), false: Counter(8) } at (prev + 0, 34) to (start + 0, 40) true = c7 false = c8 - Code(Counter(7)) at (prev + 0, 44) to (start + 0, 51) -- Code(Expression(22, Add)) at (prev + 1, 5) to (start + 1, 2) +- Code(Expression(20, Add)) at (prev + 1, 5) to (start + 1, 2) = (c6 + (c7 + c8)) diff --git a/tests/coverage/branch/let-else.cov-map b/tests/coverage/branch/let-else.cov-map index c7f7adddbc29..070799344647 100644 --- a/tests/coverage/branch/let-else.cov-map +++ b/tests/coverage/branch/let-else.cov-map @@ -1,10 +1,9 @@ Function name: let_else::let_else -Raw bytes (45): 0x[01, 01, 02, 05, 09, 09, 02, 07, 01, 0c, 01, 01, 10, 20, 02, 09, 03, 09, 00, 10, 02, 00, 0e, 00, 0f, 05, 00, 13, 00, 18, 09, 01, 09, 01, 0f, 02, 04, 05, 00, 0b, 07, 01, 01, 00, 02] +Raw bytes (43): 0x[01, 01, 01, 05, 09, 07, 01, 0c, 01, 01, 10, 20, 02, 09, 03, 09, 00, 10, 02, 00, 0e, 00, 0f, 05, 00, 13, 00, 18, 09, 01, 09, 01, 0f, 02, 04, 05, 00, 0b, 05, 01, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(1), rhs = Counter(2) -- expression 1 operands: lhs = Counter(2), rhs = Expression(0, Sub) Number of file 0 mappings: 7 - Code(Counter(0)) at (prev + 12, 1) to (start + 1, 16) - Branch { true: Expression(0, Sub), false: Counter(2) } at (prev + 3, 9) to (start + 0, 16) @@ -16,6 +15,5 @@ Number of file 0 mappings: 7 - Code(Counter(2)) at (prev + 1, 9) to (start + 1, 15) - Code(Expression(0, Sub)) at (prev + 4, 5) to (start + 0, 11) = (c1 - c2) -- Code(Expression(1, Add)) at (prev + 1, 1) to (start + 0, 2) - = (c2 + (c1 - c2)) +- Code(Counter(1)) at (prev + 1, 1) to (start + 0, 2) diff --git a/tests/coverage/branch/while.cov-map b/tests/coverage/branch/while.cov-map index 5a3ef096bedd..fd05bbb69a55 100644 --- a/tests/coverage/branch/while.cov-map +++ b/tests/coverage/branch/while.cov-map @@ -1,42 +1,36 @@ Function name: while::while_cond -Raw bytes (42): 0x[01, 01, 03, 05, 09, 03, 09, 03, 09, 06, 01, 0c, 01, 01, 10, 05, 03, 09, 00, 12, 03, 01, 0b, 00, 10, 20, 09, 0a, 00, 0b, 00, 10, 09, 00, 11, 02, 06, 0a, 03, 01, 00, 02] +Raw bytes (38): 0x[01, 01, 01, 05, 09, 06, 01, 0c, 01, 01, 10, 05, 03, 09, 00, 12, 03, 01, 0b, 00, 10, 20, 09, 05, 00, 0b, 00, 10, 09, 00, 11, 02, 06, 05, 03, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 3 +Number of expressions: 1 - expression 0 operands: lhs = Counter(1), rhs = Counter(2) -- expression 1 operands: lhs = Expression(0, Add), rhs = Counter(2) -- expression 2 operands: lhs = Expression(0, Add), rhs = Counter(2) Number of file 0 mappings: 6 - Code(Counter(0)) at (prev + 12, 1) to (start + 1, 16) - Code(Counter(1)) at (prev + 3, 9) to (start + 0, 18) - Code(Expression(0, Add)) at (prev + 1, 11) to (start + 0, 16) = (c1 + c2) -- Branch { true: Counter(2), false: Expression(2, Sub) } at (prev + 0, 11) to (start + 0, 16) +- Branch { true: Counter(2), false: Counter(1) } at (prev + 0, 11) to (start + 0, 16) true = c2 - false = ((c1 + c2) - c2) + false = c1 - Code(Counter(2)) at (prev + 0, 17) to (start + 2, 6) -- Code(Expression(2, Sub)) at (prev + 3, 1) to (start + 0, 2) - = ((c1 + c2) - c2) +- Code(Counter(1)) at (prev + 3, 1) to (start + 0, 2) Function name: while::while_cond_not -Raw bytes (42): 0x[01, 01, 03, 05, 09, 03, 09, 03, 09, 06, 01, 15, 01, 01, 10, 05, 03, 09, 00, 12, 03, 01, 0b, 00, 14, 20, 09, 0a, 00, 0b, 00, 14, 09, 00, 15, 02, 06, 0a, 03, 01, 00, 02] +Raw bytes (38): 0x[01, 01, 01, 05, 09, 06, 01, 15, 01, 01, 10, 05, 03, 09, 00, 12, 03, 01, 0b, 00, 14, 20, 09, 05, 00, 0b, 00, 14, 09, 00, 15, 02, 06, 05, 03, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 3 +Number of expressions: 1 - expression 0 operands: lhs = Counter(1), rhs = Counter(2) -- expression 1 operands: lhs = Expression(0, Add), rhs = Counter(2) -- expression 2 operands: lhs = Expression(0, Add), rhs = Counter(2) Number of file 0 mappings: 6 - Code(Counter(0)) at (prev + 21, 1) to (start + 1, 16) - Code(Counter(1)) at (prev + 3, 9) to (start + 0, 18) - Code(Expression(0, Add)) at (prev + 1, 11) to (start + 0, 20) = (c1 + c2) -- Branch { true: Counter(2), false: Expression(2, Sub) } at (prev + 0, 11) to (start + 0, 20) +- Branch { true: Counter(2), false: Counter(1) } at (prev + 0, 11) to (start + 0, 20) true = c2 - false = ((c1 + c2) - c2) + false = c1 - Code(Counter(2)) at (prev + 0, 21) to (start + 2, 6) -- Code(Expression(2, Sub)) at (prev + 3, 1) to (start + 0, 2) - = ((c1 + c2) - c2) +- Code(Counter(1)) at (prev + 3, 1) to (start + 0, 2) Function name: while::while_op_and Raw bytes (56): 0x[01, 01, 04, 05, 09, 03, 0d, 03, 0d, 11, 0d, 08, 01, 1e, 01, 01, 10, 05, 03, 09, 01, 12, 03, 02, 0b, 00, 10, 20, 0a, 0d, 00, 0b, 00, 10, 0a, 00, 14, 00, 19, 20, 09, 11, 00, 14, 00, 19, 09, 00, 1a, 03, 06, 0f, 04, 01, 00, 02] diff --git a/tests/coverage/closure.cov-map b/tests/coverage/closure.cov-map index 9f0d33745bcb..f36ef7af7ac3 100644 --- a/tests/coverage/closure.cov-map +++ b/tests/coverage/closure.cov-map @@ -1,10 +1,9 @@ Function name: closure::main -Raw bytes (128): 0x[01, 01, 02, 01, 05, 05, 02, 18, 01, 09, 01, 0f, 0d, 01, 16, 0e, 06, 0a, 01, 10, 05, 13, 0d, 01, 1a, 0e, 06, 0a, 01, 10, 05, 0c, 16, 01, 16, 05, 0d, 18, 01, 19, 09, 01, 1e, 01, 04, 09, 00, 29, 01, 01, 09, 00, 2d, 01, 01, 09, 00, 24, 01, 05, 09, 00, 24, 01, 02, 09, 00, 21, 01, 04, 09, 00, 21, 01, 04, 09, 00, 28, 01, 09, 09, 00, 32, 01, 04, 09, 00, 33, 01, 07, 09, 00, 4b, 01, 08, 09, 00, 48, 01, 0a, 09, 00, 47, 01, 08, 09, 00, 44, 01, 0a, 08, 00, 10, 05, 00, 11, 04, 06, 02, 04, 06, 00, 07, 07, 01, 05, 03, 02] +Raw bytes (126): 0x[01, 01, 01, 01, 05, 18, 01, 09, 01, 0f, 0d, 01, 16, 0e, 06, 0a, 01, 10, 05, 13, 0d, 01, 1a, 0e, 06, 0a, 01, 10, 05, 0c, 16, 01, 16, 05, 0d, 18, 01, 19, 09, 01, 1e, 01, 04, 09, 00, 29, 01, 01, 09, 00, 2d, 01, 01, 09, 00, 24, 01, 05, 09, 00, 24, 01, 02, 09, 00, 21, 01, 04, 09, 00, 21, 01, 04, 09, 00, 28, 01, 09, 09, 00, 32, 01, 04, 09, 00, 33, 01, 07, 09, 00, 4b, 01, 08, 09, 00, 48, 01, 0a, 09, 00, 47, 01, 08, 09, 00, 44, 01, 0a, 08, 00, 10, 05, 00, 11, 04, 06, 02, 04, 06, 00, 07, 01, 01, 05, 03, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 24 - Code(Counter(0)) at (prev + 9, 1) to (start + 15, 13) - Code(Counter(0)) at (prev + 22, 14) to (start + 6, 10) @@ -30,8 +29,7 @@ Number of file 0 mappings: 24 - Code(Counter(1)) at (prev + 0, 17) to (start + 4, 6) - Code(Expression(0, Sub)) at (prev + 4, 6) to (start + 0, 7) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 1, 5) to (start + 3, 2) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 1, 5) to (start + 3, 2) Function name: closure::main::{closure#0} (unused) Raw bytes (24): 0x[01, 01, 00, 04, 00, 28, 05, 02, 14, 00, 02, 15, 02, 0a, 00, 02, 0a, 00, 0b, 00, 01, 09, 01, 06] @@ -77,72 +75,60 @@ Number of file 0 mappings: 1 - Code(Zero) at (prev + 172, 13) to (start + 2, 14) Function name: closure::main::{closure#14} -Raw bytes (29): 0x[01, 01, 02, 01, 05, 05, 02, 04, 01, b3, 01, 0d, 02, 1b, 05, 02, 1e, 00, 25, 02, 00, 2f, 00, 33, 07, 01, 0d, 00, 0e] +Raw bytes (27): 0x[01, 01, 01, 01, 05, 04, 01, b3, 01, 0d, 02, 1b, 05, 02, 1e, 00, 25, 02, 00, 2f, 00, 33, 01, 01, 0d, 00, 0e] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 179, 13) to (start + 2, 27) - Code(Counter(1)) at (prev + 2, 30) to (start + 0, 37) - Code(Expression(0, Sub)) at (prev + 0, 47) to (start + 0, 51) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 1, 13) to (start + 0, 14) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 1, 13) to (start + 0, 14) Function name: closure::main::{closure#15} -Raw bytes (41): 0x[01, 01, 03, 05, 0a, 01, 05, 01, 05, 06, 01, bb, 01, 09, 00, 0a, 03, 01, 0d, 00, 15, 01, 01, 11, 01, 1b, 05, 01, 1e, 00, 25, 0a, 00, 2f, 00, 33, 03, 02, 09, 00, 0a] +Raw bytes (37): 0x[01, 01, 01, 01, 05, 06, 01, bb, 01, 09, 00, 0a, 01, 01, 0d, 00, 15, 01, 01, 11, 01, 1b, 05, 01, 1e, 00, 25, 02, 00, 2f, 00, 33, 01, 02, 09, 00, 0a] Number of files: 1 - file 0 => global file 1 -Number of expressions: 3 -- expression 0 operands: lhs = Counter(1), rhs = Expression(2, Sub) -- expression 1 operands: lhs = Counter(0), rhs = Counter(1) -- expression 2 operands: lhs = Counter(0), rhs = Counter(1) +Number of expressions: 1 +- expression 0 operands: lhs = Counter(0), rhs = Counter(1) Number of file 0 mappings: 6 - Code(Counter(0)) at (prev + 187, 9) to (start + 0, 10) -- Code(Expression(0, Add)) at (prev + 1, 13) to (start + 0, 21) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 1, 13) to (start + 0, 21) - Code(Counter(0)) at (prev + 1, 17) to (start + 1, 27) - Code(Counter(1)) at (prev + 1, 30) to (start + 0, 37) -- Code(Expression(2, Sub)) at (prev + 0, 47) to (start + 0, 51) +- Code(Expression(0, Sub)) at (prev + 0, 47) to (start + 0, 51) = (c0 - c1) -- Code(Expression(0, Add)) at (prev + 2, 9) to (start + 0, 10) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 2, 9) to (start + 0, 10) Function name: closure::main::{closure#16} -Raw bytes (29): 0x[01, 01, 02, 01, 05, 05, 02, 04, 01, c5, 01, 0d, 02, 1b, 05, 02, 1e, 00, 25, 02, 00, 2f, 00, 33, 07, 01, 0d, 00, 0e] +Raw bytes (27): 0x[01, 01, 01, 01, 05, 04, 01, c5, 01, 0d, 02, 1b, 05, 02, 1e, 00, 25, 02, 00, 2f, 00, 33, 01, 01, 0d, 00, 0e] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 197, 13) to (start + 2, 27) - Code(Counter(1)) at (prev + 2, 30) to (start + 0, 37) - Code(Expression(0, Sub)) at (prev + 0, 47) to (start + 0, 51) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 1, 13) to (start + 0, 14) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 1, 13) to (start + 0, 14) Function name: closure::main::{closure#17} -Raw bytes (41): 0x[01, 01, 03, 05, 0a, 01, 05, 01, 05, 06, 01, cd, 01, 09, 00, 0a, 03, 01, 0d, 00, 15, 01, 01, 11, 01, 1b, 05, 01, 1e, 00, 25, 0a, 00, 2f, 00, 33, 03, 02, 09, 00, 0a] +Raw bytes (37): 0x[01, 01, 01, 01, 05, 06, 01, cd, 01, 09, 00, 0a, 01, 01, 0d, 00, 15, 01, 01, 11, 01, 1b, 05, 01, 1e, 00, 25, 02, 00, 2f, 00, 33, 01, 02, 09, 00, 0a] Number of files: 1 - file 0 => global file 1 -Number of expressions: 3 -- expression 0 operands: lhs = Counter(1), rhs = Expression(2, Sub) -- expression 1 operands: lhs = Counter(0), rhs = Counter(1) -- expression 2 operands: lhs = Counter(0), rhs = Counter(1) +Number of expressions: 1 +- expression 0 operands: lhs = Counter(0), rhs = Counter(1) Number of file 0 mappings: 6 - Code(Counter(0)) at (prev + 205, 9) to (start + 0, 10) -- Code(Expression(0, Add)) at (prev + 1, 13) to (start + 0, 21) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 1, 13) to (start + 0, 21) - Code(Counter(0)) at (prev + 1, 17) to (start + 1, 27) - Code(Counter(1)) at (prev + 1, 30) to (start + 0, 37) -- Code(Expression(2, Sub)) at (prev + 0, 47) to (start + 0, 51) +- Code(Expression(0, Sub)) at (prev + 0, 47) to (start + 0, 51) = (c0 - c1) -- Code(Expression(0, Add)) at (prev + 2, 9) to (start + 0, 10) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 2, 9) to (start + 0, 10) Function name: closure::main::{closure#18} (unused) Raw bytes (24): 0x[01, 01, 00, 04, 00, 19, 0d, 02, 1c, 00, 02, 1d, 02, 12, 00, 02, 12, 00, 13, 00, 01, 11, 01, 0e] @@ -156,49 +142,43 @@ Number of file 0 mappings: 4 - Code(Zero) at (prev + 1, 17) to (start + 1, 14) Function name: closure::main::{closure#19} -Raw bytes (28): 0x[01, 01, 02, 01, 05, 05, 02, 04, 01, 43, 0d, 02, 1c, 05, 02, 1d, 02, 12, 02, 02, 12, 00, 13, 07, 01, 11, 01, 0e] +Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 43, 0d, 02, 1c, 05, 02, 1d, 02, 12, 02, 02, 12, 00, 13, 01, 01, 11, 01, 0e] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 67, 13) to (start + 2, 28) - Code(Counter(1)) at (prev + 2, 29) to (start + 2, 18) - Code(Expression(0, Sub)) at (prev + 2, 18) to (start + 0, 19) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 1, 17) to (start + 1, 14) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 1, 17) to (start + 1, 14) Function name: closure::main::{closure#1} -Raw bytes (28): 0x[01, 01, 02, 01, 05, 05, 02, 04, 01, 52, 05, 02, 14, 05, 02, 15, 02, 0a, 02, 02, 0a, 00, 0b, 07, 01, 09, 01, 06] +Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 52, 05, 02, 14, 05, 02, 15, 02, 0a, 02, 02, 0a, 00, 0b, 01, 01, 09, 01, 06] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 82, 5) to (start + 2, 20) - Code(Counter(1)) at (prev + 2, 21) to (start + 2, 10) - Code(Expression(0, Sub)) at (prev + 2, 10) to (start + 0, 11) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 1, 9) to (start + 1, 6) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 1, 9) to (start + 1, 6) Function name: closure::main::{closure#2} -Raw bytes (28): 0x[01, 01, 02, 01, 05, 05, 02, 04, 01, 68, 05, 02, 14, 05, 02, 15, 02, 0a, 02, 02, 0a, 00, 0b, 07, 01, 09, 01, 06] +Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 68, 05, 02, 14, 05, 02, 15, 02, 0a, 02, 02, 0a, 00, 0b, 01, 01, 09, 01, 06] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 104, 5) to (start + 2, 20) - Code(Counter(1)) at (prev + 2, 21) to (start + 2, 10) - Code(Expression(0, Sub)) at (prev + 2, 10) to (start + 0, 11) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 1, 9) to (start + 1, 6) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 1, 9) to (start + 1, 6) Function name: closure::main::{closure#3} (unused) Raw bytes (25): 0x[01, 01, 00, 04, 00, 81, 01, 05, 01, 14, 00, 01, 15, 02, 0a, 00, 02, 0a, 00, 0b, 00, 01, 09, 01, 06] diff --git a/tests/coverage/closure_bug.cov-map b/tests/coverage/closure_bug.cov-map index 160b348bd632..32e8db5fb2f4 100644 --- a/tests/coverage/closure_bug.cov-map +++ b/tests/coverage/closure_bug.cov-map @@ -1,133 +1,84 @@ Function name: closure_bug::main -Raw bytes (201): 0x[01, 01, 26, 01, 05, 05, 02, 05, 02, 97, 01, 09, 05, 02, 09, 92, 01, 97, 01, 09, 05, 02, 09, 92, 01, 97, 01, 09, 05, 02, 8f, 01, 0d, 09, 92, 01, 97, 01, 09, 05, 02, 0d, 8a, 01, 8f, 01, 0d, 09, 92, 01, 97, 01, 09, 05, 02, 0d, 8a, 01, 8f, 01, 0d, 09, 92, 01, 97, 01, 09, 05, 02, 87, 01, 11, 0d, 8a, 01, 8f, 01, 0d, 09, 92, 01, 97, 01, 09, 05, 02, 11, 82, 01, 87, 01, 11, 0d, 8a, 01, 8f, 01, 0d, 09, 92, 01, 97, 01, 09, 05, 02, 11, 01, 07, 01, 03, 0a, 01, 09, 05, 01, 0e, 05, 01, 0f, 00, 17, 02, 00, 17, 00, 18, 97, 01, 02, 09, 00, 0a, 97, 01, 06, 05, 01, 0e, 09, 01, 0f, 00, 17, 92, 01, 00, 17, 00, 18, 8f, 01, 02, 09, 00, 0a, 8f, 01, 06, 05, 01, 0e, 0d, 01, 0f, 00, 17, 8a, 01, 00, 17, 00, 18, 87, 01, 02, 09, 00, 0a, 87, 01, 06, 05, 01, 0e, 11, 01, 0f, 00, 17, 82, 01, 00, 17, 00, 18, 7f, 01, 01, 00, 02] +Raw bytes (97): 0x[01, 01, 04, 01, 05, 01, 09, 01, 0d, 01, 11, 11, 01, 07, 01, 03, 0a, 01, 09, 05, 01, 0e, 05, 01, 0f, 00, 17, 02, 00, 17, 00, 18, 01, 02, 09, 00, 0a, 01, 06, 05, 01, 0e, 09, 01, 0f, 00, 17, 06, 00, 17, 00, 18, 01, 02, 09, 00, 0a, 01, 06, 05, 01, 0e, 0d, 01, 0f, 00, 17, 0a, 00, 17, 00, 18, 01, 02, 09, 00, 0a, 01, 06, 05, 01, 0e, 11, 01, 0f, 00, 17, 0e, 00, 17, 00, 18, 01, 01, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 38 +Number of expressions: 4 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 2 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 3 operands: lhs = Expression(37, Add), rhs = Counter(2) -- expression 4 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 5 operands: lhs = Counter(2), rhs = Expression(36, Sub) -- expression 6 operands: lhs = Expression(37, Add), rhs = Counter(2) -- expression 7 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 8 operands: lhs = Counter(2), rhs = Expression(36, Sub) -- expression 9 operands: lhs = Expression(37, Add), rhs = Counter(2) -- expression 10 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 11 operands: lhs = Expression(35, Add), rhs = Counter(3) -- expression 12 operands: lhs = Counter(2), rhs = Expression(36, Sub) -- expression 13 operands: lhs = Expression(37, Add), rhs = Counter(2) -- expression 14 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 15 operands: lhs = Counter(3), rhs = Expression(34, Sub) -- expression 16 operands: lhs = Expression(35, Add), rhs = Counter(3) -- expression 17 operands: lhs = Counter(2), rhs = Expression(36, Sub) -- expression 18 operands: lhs = Expression(37, Add), rhs = Counter(2) -- expression 19 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 20 operands: lhs = Counter(3), rhs = Expression(34, Sub) -- expression 21 operands: lhs = Expression(35, Add), rhs = Counter(3) -- expression 22 operands: lhs = Counter(2), rhs = Expression(36, Sub) -- expression 23 operands: lhs = Expression(37, Add), rhs = Counter(2) -- expression 24 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 25 operands: lhs = Expression(33, Add), rhs = Counter(4) -- expression 26 operands: lhs = Counter(3), rhs = Expression(34, Sub) -- expression 27 operands: lhs = Expression(35, Add), rhs = Counter(3) -- expression 28 operands: lhs = Counter(2), rhs = Expression(36, Sub) -- expression 29 operands: lhs = Expression(37, Add), rhs = Counter(2) -- expression 30 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 31 operands: lhs = Counter(4), rhs = Expression(32, Sub) -- expression 32 operands: lhs = Expression(33, Add), rhs = Counter(4) -- expression 33 operands: lhs = Counter(3), rhs = Expression(34, Sub) -- expression 34 operands: lhs = Expression(35, Add), rhs = Counter(3) -- expression 35 operands: lhs = Counter(2), rhs = Expression(36, Sub) -- expression 36 operands: lhs = Expression(37, Add), rhs = Counter(2) -- expression 37 operands: lhs = Counter(1), rhs = Expression(0, Sub) +- expression 1 operands: lhs = Counter(0), rhs = Counter(2) +- expression 2 operands: lhs = Counter(0), rhs = Counter(3) +- expression 3 operands: lhs = Counter(0), rhs = Counter(4) Number of file 0 mappings: 17 - Code(Counter(0)) at (prev + 7, 1) to (start + 3, 10) - Code(Counter(0)) at (prev + 9, 5) to (start + 1, 14) - Code(Counter(1)) at (prev + 1, 15) to (start + 0, 23) - Code(Expression(0, Sub)) at (prev + 0, 23) to (start + 0, 24) = (c0 - c1) -- Code(Expression(37, Add)) at (prev + 2, 9) to (start + 0, 10) - = (c1 + (c0 - c1)) -- Code(Expression(37, Add)) at (prev + 6, 5) to (start + 1, 14) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 2, 9) to (start + 0, 10) +- Code(Counter(0)) at (prev + 6, 5) to (start + 1, 14) - Code(Counter(2)) at (prev + 1, 15) to (start + 0, 23) -- Code(Expression(36, Sub)) at (prev + 0, 23) to (start + 0, 24) - = ((c1 + (c0 - c1)) - c2) -- Code(Expression(35, Add)) at (prev + 2, 9) to (start + 0, 10) - = (c2 + ((c1 + (c0 - c1)) - c2)) -- Code(Expression(35, Add)) at (prev + 6, 5) to (start + 1, 14) - = (c2 + ((c1 + (c0 - c1)) - c2)) +- Code(Expression(1, Sub)) at (prev + 0, 23) to (start + 0, 24) + = (c0 - c2) +- Code(Counter(0)) at (prev + 2, 9) to (start + 0, 10) +- Code(Counter(0)) at (prev + 6, 5) to (start + 1, 14) - Code(Counter(3)) at (prev + 1, 15) to (start + 0, 23) -- Code(Expression(34, Sub)) at (prev + 0, 23) to (start + 0, 24) - = ((c2 + ((c1 + (c0 - c1)) - c2)) - c3) -- Code(Expression(33, Add)) at (prev + 2, 9) to (start + 0, 10) - = (c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) -- Code(Expression(33, Add)) at (prev + 6, 5) to (start + 1, 14) - = (c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) +- Code(Expression(2, Sub)) at (prev + 0, 23) to (start + 0, 24) + = (c0 - c3) +- Code(Counter(0)) at (prev + 2, 9) to (start + 0, 10) +- Code(Counter(0)) at (prev + 6, 5) to (start + 1, 14) - Code(Counter(4)) at (prev + 1, 15) to (start + 0, 23) -- Code(Expression(32, Sub)) at (prev + 0, 23) to (start + 0, 24) - = ((c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) - c4) -- Code(Expression(31, Add)) at (prev + 1, 1) to (start + 0, 2) - = (c4 + ((c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) - c4)) +- Code(Expression(3, Sub)) at (prev + 0, 23) to (start + 0, 24) + = (c0 - c4) +- Code(Counter(0)) at (prev + 1, 1) to (start + 0, 2) Function name: closure_bug::main::{closure#0} -Raw bytes (28): 0x[01, 01, 02, 01, 05, 05, 02, 04, 01, 0e, 09, 00, 12, 05, 00, 15, 00, 19, 02, 00, 23, 00, 28, 07, 00, 29, 00, 2a] +Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 0e, 09, 00, 12, 05, 00, 15, 00, 19, 02, 00, 23, 00, 28, 01, 00, 29, 00, 2a] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 14, 9) to (start + 0, 18) - Code(Counter(1)) at (prev + 0, 21) to (start + 0, 25) - Code(Expression(0, Sub)) at (prev + 0, 35) to (start + 0, 40) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 0, 41) to (start + 0, 42) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 0, 41) to (start + 0, 42) Function name: closure_bug::main::{closure#1} -Raw bytes (28): 0x[01, 01, 02, 01, 05, 05, 02, 04, 01, 17, 09, 00, 12, 05, 00, 15, 00, 19, 02, 00, 23, 00, 28, 07, 00, 29, 00, 2a] +Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 17, 09, 00, 12, 05, 00, 15, 00, 19, 02, 00, 23, 00, 28, 01, 00, 29, 00, 2a] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 23, 9) to (start + 0, 18) - Code(Counter(1)) at (prev + 0, 21) to (start + 0, 25) - Code(Expression(0, Sub)) at (prev + 0, 35) to (start + 0, 40) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 0, 41) to (start + 0, 42) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 0, 41) to (start + 0, 42) Function name: closure_bug::main::{closure#2} -Raw bytes (28): 0x[01, 01, 02, 01, 05, 05, 02, 04, 01, 20, 09, 00, 12, 05, 00, 15, 00, 19, 02, 00, 23, 00, 28, 07, 00, 29, 00, 2a] +Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 20, 09, 00, 12, 05, 00, 15, 00, 19, 02, 00, 23, 00, 28, 01, 00, 29, 00, 2a] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 32, 9) to (start + 0, 18) - Code(Counter(1)) at (prev + 0, 21) to (start + 0, 25) - Code(Expression(0, Sub)) at (prev + 0, 35) to (start + 0, 40) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 0, 41) to (start + 0, 42) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 0, 41) to (start + 0, 42) Function name: closure_bug::main::{closure#3} -Raw bytes (28): 0x[01, 01, 02, 01, 05, 05, 02, 04, 01, 29, 09, 00, 12, 05, 00, 15, 00, 19, 02, 00, 23, 00, 28, 07, 00, 29, 00, 2a] +Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 29, 09, 00, 12, 05, 00, 15, 00, 19, 02, 00, 23, 00, 28, 01, 00, 29, 00, 2a] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 41, 9) to (start + 0, 18) - Code(Counter(1)) at (prev + 0, 21) to (start + 0, 25) - Code(Expression(0, Sub)) at (prev + 0, 35) to (start + 0, 40) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 0, 41) to (start + 0, 42) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 0, 41) to (start + 0, 42) diff --git a/tests/coverage/closure_macro.cov-map b/tests/coverage/closure_macro.cov-map index e43ed1f76f36..fd8fbd9fa757 100644 --- a/tests/coverage/closure_macro.cov-map +++ b/tests/coverage/closure_macro.cov-map @@ -7,12 +7,11 @@ Number of file 0 mappings: 1 - Code(Counter(0)) at (prev + 29, 1) to (start + 2, 2) Function name: closure_macro::main -Raw bytes (38): 0x[01, 01, 02, 01, 05, 05, 02, 06, 01, 21, 01, 01, 21, 02, 02, 09, 00, 12, 02, 00, 0f, 00, 54, 05, 00, 54, 00, 55, 02, 02, 09, 02, 0b, 07, 03, 01, 00, 02] +Raw bytes (36): 0x[01, 01, 01, 01, 05, 06, 01, 21, 01, 01, 21, 02, 02, 09, 00, 12, 02, 00, 0f, 00, 54, 05, 00, 54, 00, 55, 02, 02, 09, 02, 0b, 01, 03, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 6 - Code(Counter(0)) at (prev + 33, 1) to (start + 1, 33) - Code(Expression(0, Sub)) at (prev + 2, 9) to (start + 0, 18) @@ -22,8 +21,7 @@ Number of file 0 mappings: 6 - Code(Counter(1)) at (prev + 0, 84) to (start + 0, 85) - Code(Expression(0, Sub)) at (prev + 2, 9) to (start + 2, 11) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 3, 1) to (start + 0, 2) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 3, 1) to (start + 0, 2) Function name: closure_macro::main::{closure#0} Raw bytes (35): 0x[01, 01, 03, 01, 05, 05, 0b, 09, 00, 05, 01, 10, 1c, 03, 21, 05, 04, 11, 01, 27, 02, 03, 11, 00, 16, 00, 00, 17, 00, 1e, 07, 02, 09, 00, 0a] diff --git a/tests/coverage/closure_macro_async.cov-map b/tests/coverage/closure_macro_async.cov-map index 212b67a8a3e1..43b52008f33e 100644 --- a/tests/coverage/closure_macro_async.cov-map +++ b/tests/coverage/closure_macro_async.cov-map @@ -15,12 +15,11 @@ Number of file 0 mappings: 1 - Code(Counter(0)) at (prev + 35, 1) to (start + 0, 43) Function name: closure_macro_async::test::{closure#0} -Raw bytes (38): 0x[01, 01, 02, 01, 05, 05, 02, 06, 01, 23, 2b, 01, 21, 02, 02, 09, 00, 12, 02, 00, 0f, 00, 54, 05, 00, 54, 00, 55, 02, 02, 09, 02, 0b, 07, 03, 01, 00, 02] +Raw bytes (36): 0x[01, 01, 01, 01, 05, 06, 01, 23, 2b, 01, 21, 02, 02, 09, 00, 12, 02, 00, 0f, 00, 54, 05, 00, 54, 00, 55, 02, 02, 09, 02, 0b, 01, 03, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 6 - Code(Counter(0)) at (prev + 35, 43) to (start + 1, 33) - Code(Expression(0, Sub)) at (prev + 2, 9) to (start + 0, 18) @@ -30,8 +29,7 @@ Number of file 0 mappings: 6 - Code(Counter(1)) at (prev + 0, 84) to (start + 0, 85) - Code(Expression(0, Sub)) at (prev + 2, 9) to (start + 2, 11) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 3, 1) to (start + 0, 2) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 3, 1) to (start + 0, 2) Function name: closure_macro_async::test::{closure#0}::{closure#0} Raw bytes (35): 0x[01, 01, 03, 01, 05, 05, 0b, 09, 00, 05, 01, 12, 1c, 03, 21, 05, 04, 11, 01, 27, 02, 03, 11, 00, 16, 00, 00, 17, 00, 1e, 07, 02, 09, 00, 0a] diff --git a/tests/coverage/conditions.cov-map b/tests/coverage/conditions.cov-map index a6a427aca007..17143775b7b4 100644 --- a/tests/coverage/conditions.cov-map +++ b/tests/coverage/conditions.cov-map @@ -1,259 +1,263 @@ Function name: conditions::main -Raw bytes (784): 0x[01, 01, 8e, 01, 09, 33, 37, 41, 3b, 3d, 35, 39, 05, 00, b7, 04, 09, 05, 00, 0d, 35, 26, 39, 0d, 35, 3b, 3d, 35, 39, 37, 41, 3b, 3d, 35, 39, b2, 04, 0d, b7, 04, 09, 05, 00, 45, 00, 83, 01, 49, 45, 00, 7e, 31, 83, 01, 49, 45, 00, 7a, 4d, 7e, 31, 83, 01, 49, 45, 00, 76, 51, 7a, 4d, 7e, 31, 83, 01, 49, 45, 00, a7, 01, 55, 4d, 51, a3, 01, 59, a7, 01, 55, 4d, 51, 49, 9f, 01, a3, 01, 59, a7, 01, 55, 4d, 51, 61, 00, e3, 01, 65, 61, 00, de, 01, 2d, e3, 01, 65, 61, 00, da, 01, 69, de, 01, 2d, e3, 01, 65, 61, 00, d6, 01, 6d, da, 01, 69, de, 01, 2d, e3, 01, 65, 61, 00, 8b, 02, 71, 69, 6d, 87, 02, 75, 8b, 02, 71, 69, 6d, ff, 01, 00, 65, 83, 02, 87, 02, 75, 8b, 02, 71, 69, 6d, 7d, eb, 03, ef, 03, 8d, 01, f3, 03, 89, 01, 81, 01, 85, 01, 79, 00, d7, 02, 7d, 79, 00, d2, 02, 29, d7, 02, 7d, 79, 00, ce, 02, 81, 01, d2, 02, 29, d7, 02, 7d, 79, 00, ca, 02, 85, 01, ce, 02, 81, 01, d2, 02, 29, d7, 02, 7d, 79, 00, f3, 03, 89, 01, 81, 01, 85, 01, ef, 03, 8d, 01, f3, 03, 89, 01, 81, 01, 85, 01, 11, 93, 04, 97, 04, 21, 9b, 04, 1d, 15, 19, 7d, eb, 03, ef, 03, 8d, 01, f3, 03, 89, 01, 81, 01, 85, 01, e7, 03, 11, 7d, eb, 03, ef, 03, 8d, 01, f3, 03, 89, 01, 81, 01, 85, 01, e2, 03, 25, e7, 03, 11, 7d, eb, 03, ef, 03, 8d, 01, f3, 03, 89, 01, 81, 01, 85, 01, de, 03, 15, e2, 03, 25, e7, 03, 11, 7d, eb, 03, ef, 03, 8d, 01, f3, 03, 89, 01, 81, 01, 85, 01, da, 03, 19, de, 03, 15, e2, 03, 25, e7, 03, 11, 7d, eb, 03, ef, 03, 8d, 01, f3, 03, 89, 01, 81, 01, 85, 01, 9b, 04, 1d, 15, 19, 97, 04, 21, 9b, 04, 1d, 15, 19, 8f, 04, 9f, 04, 11, 93, 04, 97, 04, 21, 9b, 04, 1d, 15, 19, a3, 04, ae, 04, a7, 04, 31, ab, 04, 2d, 25, 29, b2, 04, 0d, b7, 04, 09, 05, 00, 44, 01, 03, 01, 02, 0c, 05, 02, 0d, 02, 06, 00, 02, 06, 00, 07, 03, 03, 09, 00, 0a, b7, 04, 00, 10, 00, 1d, 09, 01, 09, 01, 0a, b2, 04, 02, 0f, 00, 1c, 0d, 01, 0c, 00, 19, 26, 00, 1d, 00, 2a, 22, 00, 2e, 00, 3c, 37, 00, 3d, 02, 0a, 41, 02, 0a, 00, 0b, 33, 01, 09, 01, 12, ae, 04, 03, 09, 00, 0f, 03, 03, 09, 01, 0c, 45, 01, 0d, 02, 06, 00, 02, 06, 00, 07, 83, 01, 02, 08, 00, 15, 49, 00, 16, 02, 06, 7e, 02, 0f, 00, 1c, 7a, 01, 0c, 00, 19, 76, 00, 1d, 00, 2a, 72, 00, 2e, 00, 3c, a3, 01, 00, 3d, 02, 0a, 59, 02, 0a, 00, 0b, 9f, 01, 01, 09, 00, 17, 31, 02, 09, 00, 0f, 9b, 01, 03, 08, 00, 0c, 5d, 01, 0d, 01, 10, 61, 01, 11, 02, 0a, 00, 02, 0a, 00, 0b, e3, 01, 02, 0c, 00, 19, 65, 00, 1a, 02, 0a, de, 01, 04, 11, 00, 1e, da, 01, 01, 10, 00, 1d, d6, 01, 00, 21, 00, 2e, d2, 01, 00, 32, 00, 40, 87, 02, 00, 41, 02, 0e, 75, 02, 0e, 00, 0f, 83, 02, 01, 0d, 00, 1b, 2d, 02, 0d, 00, 13, 00, 02, 06, 00, 07, fb, 01, 02, 09, 01, 0c, 79, 01, 0d, 02, 06, 00, 02, 06, 00, 07, e7, 03, 02, 09, 00, 0a, d7, 02, 00, 10, 00, 1d, 7d, 00, 1e, 02, 06, d2, 02, 02, 0f, 00, 1c, ce, 02, 01, 0c, 00, 19, ca, 02, 00, 1d, 00, 2a, c6, 02, 00, 2e, 00, 3c, ef, 03, 00, 3d, 02, 0a, 8d, 01, 02, 0a, 00, 0b, eb, 03, 01, 09, 00, 17, 29, 02, 0d, 02, 0f, 8f, 04, 05, 09, 00, 0a, e7, 03, 00, 10, 00, 1d, 11, 00, 1e, 02, 06, e2, 03, 02, 0f, 00, 1c, de, 03, 01, 0c, 00, 19, da, 03, 00, 1d, 00, 2a, d6, 03, 00, 2e, 00, 3c, 97, 04, 00, 3d, 02, 0a, 21, 02, 0a, 00, 0b, 93, 04, 01, 09, 00, 17, 25, 02, 09, 00, 0f, 8b, 04, 02, 01, 00, 02] +Raw bytes (799): 0x[01, 01, 94, 01, 09, 2b, 2f, 41, 33, 3d, 35, 39, 01, 09, 0d, 35, 1e, 39, 0d, 35, 33, 3d, 35, 39, 2f, 41, 33, 3d, 35, 39, ce, 04, 0d, 01, 09, 03, 49, 62, 31, 03, 49, 5e, 4d, 62, 31, 03, 49, 5a, 51, 5e, 4d, 62, 31, 03, 49, 87, 01, 55, 4d, 51, 83, 01, 59, 87, 01, 55, 4d, 51, 49, 7f, 83, 01, 59, 87, 01, 55, 4d, 51, 5d, 65, ae, 01, 2d, 5d, 65, aa, 01, 69, ae, 01, 2d, 5d, 65, a6, 01, 6d, aa, 01, 69, ae, 01, 2d, 5d, 65, f3, 02, 71, 69, 6d, ef, 02, 75, f3, 02, 71, 69, 6d, e7, 02, 00, 65, eb, 02, ef, 02, 75, f3, 02, 71, 69, 6d, 7d, 87, 04, 8b, 04, 8d, 01, 8f, 04, 89, 01, 81, 01, 85, 01, e7, 02, 00, 65, eb, 02, ef, 02, 75, f3, 02, 71, 69, 6d, e3, 02, 7d, e7, 02, 00, 65, eb, 02, ef, 02, 75, f3, 02, 71, 69, 6d, de, 02, 29, e3, 02, 7d, e7, 02, 00, 65, eb, 02, ef, 02, 75, f3, 02, 71, 69, 6d, da, 02, 81, 01, de, 02, 29, e3, 02, 7d, e7, 02, 00, 65, eb, 02, ef, 02, 75, f3, 02, 71, 69, 6d, d6, 02, 85, 01, da, 02, 81, 01, de, 02, 29, e3, 02, 7d, e7, 02, 00, 65, eb, 02, ef, 02, 75, f3, 02, 71, 69, 6d, 8f, 04, 89, 01, 81, 01, 85, 01, 8b, 04, 8d, 01, 8f, 04, 89, 01, 81, 01, 85, 01, 11, af, 04, b3, 04, 21, b7, 04, 1d, 15, 19, 7d, 87, 04, 8b, 04, 8d, 01, 8f, 04, 89, 01, 81, 01, 85, 01, 83, 04, 11, 7d, 87, 04, 8b, 04, 8d, 01, 8f, 04, 89, 01, 81, 01, 85, 01, fe, 03, 25, 83, 04, 11, 7d, 87, 04, 8b, 04, 8d, 01, 8f, 04, 89, 01, 81, 01, 85, 01, fa, 03, 15, fe, 03, 25, 83, 04, 11, 7d, 87, 04, 8b, 04, 8d, 01, 8f, 04, 89, 01, 81, 01, 85, 01, f6, 03, 19, fa, 03, 15, fe, 03, 25, 83, 04, 11, 7d, 87, 04, 8b, 04, 8d, 01, 8f, 04, 89, 01, 81, 01, 85, 01, b7, 04, 1d, 15, 19, b3, 04, 21, b7, 04, 1d, 15, 19, ab, 04, bb, 04, 11, af, 04, b3, 04, 21, b7, 04, 1d, 15, 19, bf, 04, ca, 04, c3, 04, 31, c7, 04, 2d, 25, 29, ce, 04, 0d, 01, 09, 44, 01, 03, 01, 02, 0c, 05, 02, 0d, 02, 06, 00, 02, 06, 00, 07, 03, 03, 09, 00, 0a, 01, 00, 10, 00, 1d, 09, 01, 09, 01, 0a, ce, 04, 02, 0f, 00, 1c, 0d, 01, 0c, 00, 19, 1e, 00, 1d, 00, 2a, 1a, 00, 2e, 00, 3c, 2f, 00, 3d, 02, 0a, 41, 02, 0a, 00, 0b, 2b, 01, 09, 01, 12, ca, 04, 03, 09, 00, 0f, 03, 03, 09, 01, 0c, 45, 01, 0d, 02, 06, 00, 02, 06, 00, 07, 03, 02, 08, 00, 15, 49, 00, 16, 02, 06, 62, 02, 0f, 00, 1c, 5e, 01, 0c, 00, 19, 5a, 00, 1d, 00, 2a, 56, 00, 2e, 00, 3c, 83, 01, 00, 3d, 02, 0a, 59, 02, 0a, 00, 0b, 7f, 01, 09, 00, 17, 31, 02, 09, 00, 0f, 7b, 03, 08, 00, 0c, 5d, 01, 0d, 01, 10, 61, 01, 11, 02, 0a, 00, 02, 0a, 00, 0b, 5d, 02, 0c, 00, 19, 65, 00, 1a, 02, 0a, ae, 01, 04, 11, 00, 1e, aa, 01, 01, 10, 00, 1d, a6, 01, 00, 21, 00, 2e, a2, 01, 00, 32, 00, 40, ef, 02, 00, 41, 02, 0e, 75, 02, 0e, 00, 0f, eb, 02, 01, 0d, 00, 1b, 2d, 02, 0d, 00, 13, 00, 02, 06, 00, 07, e3, 02, 02, 09, 01, 0c, 79, 01, 0d, 02, 06, 00, 02, 06, 00, 07, 83, 04, 02, 09, 00, 0a, e3, 02, 00, 10, 00, 1d, 7d, 00, 1e, 02, 06, de, 02, 02, 0f, 00, 1c, da, 02, 01, 0c, 00, 19, d6, 02, 00, 1d, 00, 2a, d2, 02, 00, 2e, 00, 3c, 8b, 04, 00, 3d, 02, 0a, 8d, 01, 02, 0a, 00, 0b, 87, 04, 01, 09, 00, 17, 29, 02, 0d, 02, 0f, ab, 04, 05, 09, 00, 0a, 83, 04, 00, 10, 00, 1d, 11, 00, 1e, 02, 06, fe, 03, 02, 0f, 00, 1c, fa, 03, 01, 0c, 00, 19, f6, 03, 00, 1d, 00, 2a, f2, 03, 00, 2e, 00, 3c, b3, 04, 00, 3d, 02, 0a, 21, 02, 0a, 00, 0b, af, 04, 01, 09, 00, 17, 25, 02, 09, 00, 0f, a7, 04, 02, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 142 -- expression 0 operands: lhs = Counter(2), rhs = Expression(12, Add) -- expression 1 operands: lhs = Expression(13, Add), rhs = Counter(16) -- expression 2 operands: lhs = Expression(14, Add), rhs = Counter(15) +Number of expressions: 148 +- expression 0 operands: lhs = Counter(2), rhs = Expression(10, Add) +- expression 1 operands: lhs = Expression(11, Add), rhs = Counter(16) +- expression 2 operands: lhs = Expression(12, Add), rhs = Counter(15) - expression 3 operands: lhs = Counter(13), rhs = Counter(14) -- expression 4 operands: lhs = Counter(1), rhs = Zero -- expression 5 operands: lhs = Expression(141, Add), rhs = Counter(2) -- expression 6 operands: lhs = Counter(1), rhs = Zero +- expression 4 operands: lhs = Counter(0), rhs = Counter(2) +- expression 5 operands: lhs = Counter(3), rhs = Counter(13) +- expression 6 operands: lhs = Expression(7, Sub), rhs = Counter(14) - expression 7 operands: lhs = Counter(3), rhs = Counter(13) -- expression 8 operands: lhs = Expression(9, Sub), rhs = Counter(14) -- expression 9 operands: lhs = Counter(3), rhs = Counter(13) -- expression 10 operands: lhs = Expression(14, Add), rhs = Counter(15) -- expression 11 operands: lhs = Counter(13), rhs = Counter(14) -- expression 12 operands: lhs = Expression(13, Add), rhs = Counter(16) -- expression 13 operands: lhs = Expression(14, Add), rhs = Counter(15) -- expression 14 operands: lhs = Counter(13), rhs = Counter(14) -- expression 15 operands: lhs = Expression(140, Sub), rhs = Counter(3) -- expression 16 operands: lhs = Expression(141, Add), rhs = Counter(2) -- expression 17 operands: lhs = Counter(1), rhs = Zero -- expression 18 operands: lhs = Counter(17), rhs = Zero -- expression 19 operands: lhs = Expression(32, Add), rhs = Counter(18) -- expression 20 operands: lhs = Counter(17), rhs = Zero -- expression 21 operands: lhs = Expression(31, Sub), rhs = Counter(12) -- expression 22 operands: lhs = Expression(32, Add), rhs = Counter(18) -- expression 23 operands: lhs = Counter(17), rhs = Zero -- expression 24 operands: lhs = Expression(30, Sub), rhs = Counter(19) -- expression 25 operands: lhs = Expression(31, Sub), rhs = Counter(12) -- expression 26 operands: lhs = Expression(32, Add), rhs = Counter(18) -- expression 27 operands: lhs = Counter(17), rhs = Zero -- expression 28 operands: lhs = Expression(29, Sub), rhs = Counter(20) -- expression 29 operands: lhs = Expression(30, Sub), rhs = Counter(19) -- expression 30 operands: lhs = Expression(31, Sub), rhs = Counter(12) -- expression 31 operands: lhs = Expression(32, Add), rhs = Counter(18) -- expression 32 operands: lhs = Counter(17), rhs = Zero -- expression 33 operands: lhs = Expression(41, Add), rhs = Counter(21) -- expression 34 operands: lhs = Counter(19), rhs = Counter(20) -- expression 35 operands: lhs = Expression(40, Add), rhs = Counter(22) -- expression 36 operands: lhs = Expression(41, Add), rhs = Counter(21) -- expression 37 operands: lhs = Counter(19), rhs = Counter(20) -- expression 38 operands: lhs = Counter(18), rhs = Expression(39, Add) -- expression 39 operands: lhs = Expression(40, Add), rhs = Counter(22) -- expression 40 operands: lhs = Expression(41, Add), rhs = Counter(21) -- expression 41 operands: lhs = Counter(19), rhs = Counter(20) -- expression 42 operands: lhs = Counter(24), rhs = Zero -- expression 43 operands: lhs = Expression(56, Add), rhs = Counter(25) -- expression 44 operands: lhs = Counter(24), rhs = Zero -- expression 45 operands: lhs = Expression(55, Sub), rhs = Counter(11) -- expression 46 operands: lhs = Expression(56, Add), rhs = Counter(25) -- expression 47 operands: lhs = Counter(24), rhs = Zero -- expression 48 operands: lhs = Expression(54, Sub), rhs = Counter(26) -- expression 49 operands: lhs = Expression(55, Sub), rhs = Counter(11) -- expression 50 operands: lhs = Expression(56, Add), rhs = Counter(25) -- expression 51 operands: lhs = Counter(24), rhs = Zero -- expression 52 operands: lhs = Expression(53, Sub), rhs = Counter(27) -- expression 53 operands: lhs = Expression(54, Sub), rhs = Counter(26) -- expression 54 operands: lhs = Expression(55, Sub), rhs = Counter(11) -- expression 55 operands: lhs = Expression(56, Add), rhs = Counter(25) -- expression 56 operands: lhs = Counter(24), rhs = Zero -- expression 57 operands: lhs = Expression(66, Add), rhs = Counter(28) -- expression 58 operands: lhs = Counter(26), rhs = Counter(27) -- expression 59 operands: lhs = Expression(65, Add), rhs = Counter(29) -- expression 60 operands: lhs = Expression(66, Add), rhs = Counter(28) -- expression 61 operands: lhs = Counter(26), rhs = Counter(27) -- expression 62 operands: lhs = Expression(63, Add), rhs = Zero -- expression 63 operands: lhs = Counter(25), rhs = Expression(64, Add) -- expression 64 operands: lhs = Expression(65, Add), rhs = Counter(29) -- expression 65 operands: lhs = Expression(66, Add), rhs = Counter(28) -- expression 66 operands: lhs = Counter(26), rhs = Counter(27) -- expression 67 operands: lhs = Counter(31), rhs = Expression(122, Add) -- expression 68 operands: lhs = Expression(123, Add), rhs = Counter(35) -- expression 69 operands: lhs = Expression(124, Add), rhs = Counter(34) -- expression 70 operands: lhs = Counter(32), rhs = Counter(33) -- expression 71 operands: lhs = Counter(30), rhs = Zero -- expression 72 operands: lhs = Expression(85, Add), rhs = Counter(31) -- expression 73 operands: lhs = Counter(30), rhs = Zero -- expression 74 operands: lhs = Expression(84, Sub), rhs = Counter(10) -- expression 75 operands: lhs = Expression(85, Add), rhs = Counter(31) -- expression 76 operands: lhs = Counter(30), rhs = Zero -- expression 77 operands: lhs = Expression(83, Sub), rhs = Counter(32) -- expression 78 operands: lhs = Expression(84, Sub), rhs = Counter(10) -- expression 79 operands: lhs = Expression(85, Add), rhs = Counter(31) -- expression 80 operands: lhs = Counter(30), rhs = Zero -- expression 81 operands: lhs = Expression(82, Sub), rhs = Counter(33) -- expression 82 operands: lhs = Expression(83, Sub), rhs = Counter(32) -- expression 83 operands: lhs = Expression(84, Sub), rhs = Counter(10) -- expression 84 operands: lhs = Expression(85, Add), rhs = Counter(31) -- expression 85 operands: lhs = Counter(30), rhs = Zero -- expression 86 operands: lhs = Expression(124, Add), rhs = Counter(34) -- expression 87 operands: lhs = Counter(32), rhs = Counter(33) -- expression 88 operands: lhs = Expression(123, Add), rhs = Counter(35) -- expression 89 operands: lhs = Expression(124, Add), rhs = Counter(34) -- expression 90 operands: lhs = Counter(32), rhs = Counter(33) -- expression 91 operands: lhs = Counter(4), rhs = Expression(132, Add) -- expression 92 operands: lhs = Expression(133, Add), rhs = Counter(8) -- expression 93 operands: lhs = Expression(134, Add), rhs = Counter(7) -- expression 94 operands: lhs = Counter(5), rhs = Counter(6) -- expression 95 operands: lhs = Counter(31), rhs = Expression(122, Add) -- expression 96 operands: lhs = Expression(123, Add), rhs = Counter(35) -- expression 97 operands: lhs = Expression(124, Add), rhs = Counter(34) -- expression 98 operands: lhs = Counter(32), rhs = Counter(33) -- expression 99 operands: lhs = Expression(121, Add), rhs = Counter(4) -- expression 100 operands: lhs = Counter(31), rhs = Expression(122, Add) -- expression 101 operands: lhs = Expression(123, Add), rhs = Counter(35) -- expression 102 operands: lhs = Expression(124, Add), rhs = Counter(34) -- expression 103 operands: lhs = Counter(32), rhs = Counter(33) -- expression 104 operands: lhs = Expression(120, Sub), rhs = Counter(9) -- expression 105 operands: lhs = Expression(121, Add), rhs = Counter(4) -- expression 106 operands: lhs = Counter(31), rhs = Expression(122, Add) -- expression 107 operands: lhs = Expression(123, Add), rhs = Counter(35) -- expression 108 operands: lhs = Expression(124, Add), rhs = Counter(34) -- expression 109 operands: lhs = Counter(32), rhs = Counter(33) -- expression 110 operands: lhs = Expression(119, Sub), rhs = Counter(5) -- expression 111 operands: lhs = Expression(120, Sub), rhs = Counter(9) -- expression 112 operands: lhs = Expression(121, Add), rhs = Counter(4) -- expression 113 operands: lhs = Counter(31), rhs = Expression(122, Add) -- expression 114 operands: lhs = Expression(123, Add), rhs = Counter(35) -- expression 115 operands: lhs = Expression(124, Add), rhs = Counter(34) +- expression 8 operands: lhs = Expression(12, Add), rhs = Counter(15) +- expression 9 operands: lhs = Counter(13), rhs = Counter(14) +- expression 10 operands: lhs = Expression(11, Add), rhs = Counter(16) +- expression 11 operands: lhs = Expression(12, Add), rhs = Counter(15) +- expression 12 operands: lhs = Counter(13), rhs = Counter(14) +- expression 13 operands: lhs = Expression(147, Sub), rhs = Counter(3) +- expression 14 operands: lhs = Counter(0), rhs = Counter(2) +- expression 15 operands: lhs = Expression(0, Add), rhs = Counter(18) +- expression 16 operands: lhs = Expression(24, Sub), rhs = Counter(12) +- expression 17 operands: lhs = Expression(0, Add), rhs = Counter(18) +- expression 18 operands: lhs = Expression(23, Sub), rhs = Counter(19) +- expression 19 operands: lhs = Expression(24, Sub), rhs = Counter(12) +- expression 20 operands: lhs = Expression(0, Add), rhs = Counter(18) +- expression 21 operands: lhs = Expression(22, Sub), rhs = Counter(20) +- expression 22 operands: lhs = Expression(23, Sub), rhs = Counter(19) +- expression 23 operands: lhs = Expression(24, Sub), rhs = Counter(12) +- expression 24 operands: lhs = Expression(0, Add), rhs = Counter(18) +- expression 25 operands: lhs = Expression(33, Add), rhs = Counter(21) +- expression 26 operands: lhs = Counter(19), rhs = Counter(20) +- expression 27 operands: lhs = Expression(32, Add), rhs = Counter(22) +- expression 28 operands: lhs = Expression(33, Add), rhs = Counter(21) +- expression 29 operands: lhs = Counter(19), rhs = Counter(20) +- expression 30 operands: lhs = Counter(18), rhs = Expression(31, Add) +- expression 31 operands: lhs = Expression(32, Add), rhs = Counter(22) +- expression 32 operands: lhs = Expression(33, Add), rhs = Counter(21) +- expression 33 operands: lhs = Counter(19), rhs = Counter(20) +- expression 34 operands: lhs = Counter(23), rhs = Counter(25) +- expression 35 operands: lhs = Expression(43, Sub), rhs = Counter(11) +- expression 36 operands: lhs = Counter(23), rhs = Counter(25) +- expression 37 operands: lhs = Expression(42, Sub), rhs = Counter(26) +- expression 38 operands: lhs = Expression(43, Sub), rhs = Counter(11) +- expression 39 operands: lhs = Counter(23), rhs = Counter(25) +- expression 40 operands: lhs = Expression(41, Sub), rhs = Counter(27) +- expression 41 operands: lhs = Expression(42, Sub), rhs = Counter(26) +- expression 42 operands: lhs = Expression(43, Sub), rhs = Counter(11) +- expression 43 operands: lhs = Counter(23), rhs = Counter(25) +- expression 44 operands: lhs = Expression(92, Add), rhs = Counter(28) +- expression 45 operands: lhs = Counter(26), rhs = Counter(27) +- expression 46 operands: lhs = Expression(91, Add), rhs = Counter(29) +- expression 47 operands: lhs = Expression(92, Add), rhs = Counter(28) +- expression 48 operands: lhs = Counter(26), rhs = Counter(27) +- expression 49 operands: lhs = Expression(89, Add), rhs = Zero +- expression 50 operands: lhs = Counter(25), rhs = Expression(90, Add) +- expression 51 operands: lhs = Expression(91, Add), rhs = Counter(29) +- expression 52 operands: lhs = Expression(92, Add), rhs = Counter(28) +- expression 53 operands: lhs = Counter(26), rhs = Counter(27) +- expression 54 operands: lhs = Counter(31), rhs = Expression(129, Add) +- expression 55 operands: lhs = Expression(130, Add), rhs = Counter(35) +- expression 56 operands: lhs = Expression(131, Add), rhs = Counter(34) +- expression 57 operands: lhs = Counter(32), rhs = Counter(33) +- expression 58 operands: lhs = Expression(89, Add), rhs = Zero +- expression 59 operands: lhs = Counter(25), rhs = Expression(90, Add) +- expression 60 operands: lhs = Expression(91, Add), rhs = Counter(29) +- expression 61 operands: lhs = Expression(92, Add), rhs = Counter(28) +- expression 62 operands: lhs = Counter(26), rhs = Counter(27) +- expression 63 operands: lhs = Expression(88, Add), rhs = Counter(31) +- expression 64 operands: lhs = Expression(89, Add), rhs = Zero +- expression 65 operands: lhs = Counter(25), rhs = Expression(90, Add) +- expression 66 operands: lhs = Expression(91, Add), rhs = Counter(29) +- expression 67 operands: lhs = Expression(92, Add), rhs = Counter(28) +- expression 68 operands: lhs = Counter(26), rhs = Counter(27) +- expression 69 operands: lhs = Expression(87, Sub), rhs = Counter(10) +- expression 70 operands: lhs = Expression(88, Add), rhs = Counter(31) +- expression 71 operands: lhs = Expression(89, Add), rhs = Zero +- expression 72 operands: lhs = Counter(25), rhs = Expression(90, Add) +- expression 73 operands: lhs = Expression(91, Add), rhs = Counter(29) +- expression 74 operands: lhs = Expression(92, Add), rhs = Counter(28) +- expression 75 operands: lhs = Counter(26), rhs = Counter(27) +- expression 76 operands: lhs = Expression(86, Sub), rhs = Counter(32) +- expression 77 operands: lhs = Expression(87, Sub), rhs = Counter(10) +- expression 78 operands: lhs = Expression(88, Add), rhs = Counter(31) +- expression 79 operands: lhs = Expression(89, Add), rhs = Zero +- expression 80 operands: lhs = Counter(25), rhs = Expression(90, Add) +- expression 81 operands: lhs = Expression(91, Add), rhs = Counter(29) +- expression 82 operands: lhs = Expression(92, Add), rhs = Counter(28) +- expression 83 operands: lhs = Counter(26), rhs = Counter(27) +- expression 84 operands: lhs = Expression(85, Sub), rhs = Counter(33) +- expression 85 operands: lhs = Expression(86, Sub), rhs = Counter(32) +- expression 86 operands: lhs = Expression(87, Sub), rhs = Counter(10) +- expression 87 operands: lhs = Expression(88, Add), rhs = Counter(31) +- expression 88 operands: lhs = Expression(89, Add), rhs = Zero +- expression 89 operands: lhs = Counter(25), rhs = Expression(90, Add) +- expression 90 operands: lhs = Expression(91, Add), rhs = Counter(29) +- expression 91 operands: lhs = Expression(92, Add), rhs = Counter(28) +- expression 92 operands: lhs = Counter(26), rhs = Counter(27) +- expression 93 operands: lhs = Expression(131, Add), rhs = Counter(34) +- expression 94 operands: lhs = Counter(32), rhs = Counter(33) +- expression 95 operands: lhs = Expression(130, Add), rhs = Counter(35) +- expression 96 operands: lhs = Expression(131, Add), rhs = Counter(34) +- expression 97 operands: lhs = Counter(32), rhs = Counter(33) +- expression 98 operands: lhs = Counter(4), rhs = Expression(139, Add) +- expression 99 operands: lhs = Expression(140, Add), rhs = Counter(8) +- expression 100 operands: lhs = Expression(141, Add), rhs = Counter(7) +- expression 101 operands: lhs = Counter(5), rhs = Counter(6) +- expression 102 operands: lhs = Counter(31), rhs = Expression(129, Add) +- expression 103 operands: lhs = Expression(130, Add), rhs = Counter(35) +- expression 104 operands: lhs = Expression(131, Add), rhs = Counter(34) +- expression 105 operands: lhs = Counter(32), rhs = Counter(33) +- expression 106 operands: lhs = Expression(128, Add), rhs = Counter(4) +- expression 107 operands: lhs = Counter(31), rhs = Expression(129, Add) +- expression 108 operands: lhs = Expression(130, Add), rhs = Counter(35) +- expression 109 operands: lhs = Expression(131, Add), rhs = Counter(34) +- expression 110 operands: lhs = Counter(32), rhs = Counter(33) +- expression 111 operands: lhs = Expression(127, Sub), rhs = Counter(9) +- expression 112 operands: lhs = Expression(128, Add), rhs = Counter(4) +- expression 113 operands: lhs = Counter(31), rhs = Expression(129, Add) +- expression 114 operands: lhs = Expression(130, Add), rhs = Counter(35) +- expression 115 operands: lhs = Expression(131, Add), rhs = Counter(34) - expression 116 operands: lhs = Counter(32), rhs = Counter(33) -- expression 117 operands: lhs = Expression(118, Sub), rhs = Counter(6) -- expression 118 operands: lhs = Expression(119, Sub), rhs = Counter(5) -- expression 119 operands: lhs = Expression(120, Sub), rhs = Counter(9) -- expression 120 operands: lhs = Expression(121, Add), rhs = Counter(4) -- expression 121 operands: lhs = Counter(31), rhs = Expression(122, Add) -- expression 122 operands: lhs = Expression(123, Add), rhs = Counter(35) -- expression 123 operands: lhs = Expression(124, Add), rhs = Counter(34) -- expression 124 operands: lhs = Counter(32), rhs = Counter(33) -- expression 125 operands: lhs = Expression(134, Add), rhs = Counter(7) -- expression 126 operands: lhs = Counter(5), rhs = Counter(6) -- expression 127 operands: lhs = Expression(133, Add), rhs = Counter(8) -- expression 128 operands: lhs = Expression(134, Add), rhs = Counter(7) -- expression 129 operands: lhs = Counter(5), rhs = Counter(6) -- expression 130 operands: lhs = Expression(131, Add), rhs = Expression(135, Add) -- expression 131 operands: lhs = Counter(4), rhs = Expression(132, Add) -- expression 132 operands: lhs = Expression(133, Add), rhs = Counter(8) -- expression 133 operands: lhs = Expression(134, Add), rhs = Counter(7) -- expression 134 operands: lhs = Counter(5), rhs = Counter(6) -- expression 135 operands: lhs = Expression(136, Add), rhs = Expression(139, Sub) -- expression 136 operands: lhs = Expression(137, Add), rhs = Counter(12) -- expression 137 operands: lhs = Expression(138, Add), rhs = Counter(11) -- expression 138 operands: lhs = Counter(9), rhs = Counter(10) -- expression 139 operands: lhs = Expression(140, Sub), rhs = Counter(3) -- expression 140 operands: lhs = Expression(141, Add), rhs = Counter(2) -- expression 141 operands: lhs = Counter(1), rhs = Zero +- expression 117 operands: lhs = Expression(126, Sub), rhs = Counter(5) +- expression 118 operands: lhs = Expression(127, Sub), rhs = Counter(9) +- expression 119 operands: lhs = Expression(128, Add), rhs = Counter(4) +- expression 120 operands: lhs = Counter(31), rhs = Expression(129, Add) +- expression 121 operands: lhs = Expression(130, Add), rhs = Counter(35) +- expression 122 operands: lhs = Expression(131, Add), rhs = Counter(34) +- expression 123 operands: lhs = Counter(32), rhs = Counter(33) +- expression 124 operands: lhs = Expression(125, Sub), rhs = Counter(6) +- expression 125 operands: lhs = Expression(126, Sub), rhs = Counter(5) +- expression 126 operands: lhs = Expression(127, Sub), rhs = Counter(9) +- expression 127 operands: lhs = Expression(128, Add), rhs = Counter(4) +- expression 128 operands: lhs = Counter(31), rhs = Expression(129, Add) +- expression 129 operands: lhs = Expression(130, Add), rhs = Counter(35) +- expression 130 operands: lhs = Expression(131, Add), rhs = Counter(34) +- expression 131 operands: lhs = Counter(32), rhs = Counter(33) +- expression 132 operands: lhs = Expression(141, Add), rhs = Counter(7) +- expression 133 operands: lhs = Counter(5), rhs = Counter(6) +- expression 134 operands: lhs = Expression(140, Add), rhs = Counter(8) +- expression 135 operands: lhs = Expression(141, Add), rhs = Counter(7) +- expression 136 operands: lhs = Counter(5), rhs = Counter(6) +- expression 137 operands: lhs = Expression(138, Add), rhs = Expression(142, Add) +- expression 138 operands: lhs = Counter(4), rhs = Expression(139, Add) +- expression 139 operands: lhs = Expression(140, Add), rhs = Counter(8) +- expression 140 operands: lhs = Expression(141, Add), rhs = Counter(7) +- expression 141 operands: lhs = Counter(5), rhs = Counter(6) +- expression 142 operands: lhs = Expression(143, Add), rhs = Expression(146, Sub) +- expression 143 operands: lhs = Expression(144, Add), rhs = Counter(12) +- expression 144 operands: lhs = Expression(145, Add), rhs = Counter(11) +- expression 145 operands: lhs = Counter(9), rhs = Counter(10) +- expression 146 operands: lhs = Expression(147, Sub), rhs = Counter(3) +- expression 147 operands: lhs = Counter(0), rhs = Counter(2) Number of file 0 mappings: 68 - Code(Counter(0)) at (prev + 3, 1) to (start + 2, 12) - Code(Counter(1)) at (prev + 2, 13) to (start + 2, 6) - Code(Zero) at (prev + 2, 6) to (start + 0, 7) - Code(Expression(0, Add)) at (prev + 3, 9) to (start + 0, 10) = (c2 + (((c13 + c14) + c15) + c16)) -- Code(Expression(141, Add)) at (prev + 0, 16) to (start + 0, 29) - = (c1 + Zero) +- Code(Counter(0)) at (prev + 0, 16) to (start + 0, 29) - Code(Counter(2)) at (prev + 1, 9) to (start + 1, 10) -- Code(Expression(140, Sub)) at (prev + 2, 15) to (start + 0, 28) - = ((c1 + Zero) - c2) +- Code(Expression(147, Sub)) at (prev + 2, 15) to (start + 0, 28) + = (c0 - c2) - Code(Counter(3)) at (prev + 1, 12) to (start + 0, 25) -- Code(Expression(9, Sub)) at (prev + 0, 29) to (start + 0, 42) +- Code(Expression(7, Sub)) at (prev + 0, 29) to (start + 0, 42) = (c3 - c13) -- Code(Expression(8, Sub)) at (prev + 0, 46) to (start + 0, 60) +- Code(Expression(6, Sub)) at (prev + 0, 46) to (start + 0, 60) = ((c3 - c13) - c14) -- Code(Expression(13, Add)) at (prev + 0, 61) to (start + 2, 10) +- Code(Expression(11, Add)) at (prev + 0, 61) to (start + 2, 10) = ((c13 + c14) + c15) - Code(Counter(16)) at (prev + 2, 10) to (start + 0, 11) -- Code(Expression(12, Add)) at (prev + 1, 9) to (start + 1, 18) +- Code(Expression(10, Add)) at (prev + 1, 9) to (start + 1, 18) = (((c13 + c14) + c15) + c16) -- Code(Expression(139, Sub)) at (prev + 3, 9) to (start + 0, 15) - = (((c1 + Zero) - c2) - c3) +- Code(Expression(146, Sub)) at (prev + 3, 9) to (start + 0, 15) + = ((c0 - c2) - c3) - Code(Expression(0, Add)) at (prev + 3, 9) to (start + 1, 12) = (c2 + (((c13 + c14) + c15) + c16)) - Code(Counter(17)) at (prev + 1, 13) to (start + 2, 6) - Code(Zero) at (prev + 2, 6) to (start + 0, 7) -- Code(Expression(32, Add)) at (prev + 2, 8) to (start + 0, 21) - = (c17 + Zero) +- Code(Expression(0, Add)) at (prev + 2, 8) to (start + 0, 21) + = (c2 + (((c13 + c14) + c15) + c16)) - Code(Counter(18)) at (prev + 0, 22) to (start + 2, 6) -- Code(Expression(31, Sub)) at (prev + 2, 15) to (start + 0, 28) - = ((c17 + Zero) - c18) -- Code(Expression(30, Sub)) at (prev + 1, 12) to (start + 0, 25) - = (((c17 + Zero) - c18) - c12) -- Code(Expression(29, Sub)) at (prev + 0, 29) to (start + 0, 42) - = ((((c17 + Zero) - c18) - c12) - c19) -- Code(Expression(28, Sub)) at (prev + 0, 46) to (start + 0, 60) - = (((((c17 + Zero) - c18) - c12) - c19) - c20) -- Code(Expression(40, Add)) at (prev + 0, 61) to (start + 2, 10) +- Code(Expression(24, Sub)) at (prev + 2, 15) to (start + 0, 28) + = ((c2 + (((c13 + c14) + c15) + c16)) - c18) +- Code(Expression(23, Sub)) at (prev + 1, 12) to (start + 0, 25) + = (((c2 + (((c13 + c14) + c15) + c16)) - c18) - c12) +- Code(Expression(22, Sub)) at (prev + 0, 29) to (start + 0, 42) + = ((((c2 + (((c13 + c14) + c15) + c16)) - c18) - c12) - c19) +- Code(Expression(21, Sub)) at (prev + 0, 46) to (start + 0, 60) + = (((((c2 + (((c13 + c14) + c15) + c16)) - c18) - c12) - c19) - c20) +- Code(Expression(32, Add)) at (prev + 0, 61) to (start + 2, 10) = ((c19 + c20) + c21) - Code(Counter(22)) at (prev + 2, 10) to (start + 0, 11) -- Code(Expression(39, Add)) at (prev + 1, 9) to (start + 0, 23) +- Code(Expression(31, Add)) at (prev + 1, 9) to (start + 0, 23) = (((c19 + c20) + c21) + c22) - Code(Counter(12)) at (prev + 2, 9) to (start + 0, 15) -- Code(Expression(38, Add)) at (prev + 3, 8) to (start + 0, 12) +- Code(Expression(30, Add)) at (prev + 3, 8) to (start + 0, 12) = (c18 + (((c19 + c20) + c21) + c22)) - Code(Counter(23)) at (prev + 1, 13) to (start + 1, 16) - Code(Counter(24)) at (prev + 1, 17) to (start + 2, 10) - Code(Zero) at (prev + 2, 10) to (start + 0, 11) -- Code(Expression(56, Add)) at (prev + 2, 12) to (start + 0, 25) - = (c24 + Zero) +- Code(Counter(23)) at (prev + 2, 12) to (start + 0, 25) - Code(Counter(25)) at (prev + 0, 26) to (start + 2, 10) -- Code(Expression(55, Sub)) at (prev + 4, 17) to (start + 0, 30) - = ((c24 + Zero) - c25) -- Code(Expression(54, Sub)) at (prev + 1, 16) to (start + 0, 29) - = (((c24 + Zero) - c25) - c11) -- Code(Expression(53, Sub)) at (prev + 0, 33) to (start + 0, 46) - = ((((c24 + Zero) - c25) - c11) - c26) -- Code(Expression(52, Sub)) at (prev + 0, 50) to (start + 0, 64) - = (((((c24 + Zero) - c25) - c11) - c26) - c27) -- Code(Expression(65, Add)) at (prev + 0, 65) to (start + 2, 14) +- Code(Expression(43, Sub)) at (prev + 4, 17) to (start + 0, 30) + = (c23 - c25) +- Code(Expression(42, Sub)) at (prev + 1, 16) to (start + 0, 29) + = ((c23 - c25) - c11) +- Code(Expression(41, Sub)) at (prev + 0, 33) to (start + 0, 46) + = (((c23 - c25) - c11) - c26) +- Code(Expression(40, Sub)) at (prev + 0, 50) to (start + 0, 64) + = ((((c23 - c25) - c11) - c26) - c27) +- Code(Expression(91, Add)) at (prev + 0, 65) to (start + 2, 14) = ((c26 + c27) + c28) - Code(Counter(29)) at (prev + 2, 14) to (start + 0, 15) -- Code(Expression(64, Add)) at (prev + 1, 13) to (start + 0, 27) +- Code(Expression(90, Add)) at (prev + 1, 13) to (start + 0, 27) = (((c26 + c27) + c28) + c29) - Code(Counter(11)) at (prev + 2, 13) to (start + 0, 19) - Code(Zero) at (prev + 2, 6) to (start + 0, 7) -- Code(Expression(62, Add)) at (prev + 2, 9) to (start + 1, 12) +- Code(Expression(88, Add)) at (prev + 2, 9) to (start + 1, 12) = ((c25 + (((c26 + c27) + c28) + c29)) + Zero) - Code(Counter(30)) at (prev + 1, 13) to (start + 2, 6) - Code(Zero) at (prev + 2, 6) to (start + 0, 7) -- Code(Expression(121, Add)) at (prev + 2, 9) to (start + 0, 10) +- Code(Expression(128, Add)) at (prev + 2, 9) to (start + 0, 10) = (c31 + (((c32 + c33) + c34) + c35)) -- Code(Expression(85, Add)) at (prev + 0, 16) to (start + 0, 29) - = (c30 + Zero) +- Code(Expression(88, Add)) at (prev + 0, 16) to (start + 0, 29) + = ((c25 + (((c26 + c27) + c28) + c29)) + Zero) - Code(Counter(31)) at (prev + 0, 30) to (start + 2, 6) -- Code(Expression(84, Sub)) at (prev + 2, 15) to (start + 0, 28) - = ((c30 + Zero) - c31) -- Code(Expression(83, Sub)) at (prev + 1, 12) to (start + 0, 25) - = (((c30 + Zero) - c31) - c10) -- Code(Expression(82, Sub)) at (prev + 0, 29) to (start + 0, 42) - = ((((c30 + Zero) - c31) - c10) - c32) -- Code(Expression(81, Sub)) at (prev + 0, 46) to (start + 0, 60) - = (((((c30 + Zero) - c31) - c10) - c32) - c33) -- Code(Expression(123, Add)) at (prev + 0, 61) to (start + 2, 10) +- Code(Expression(87, Sub)) at (prev + 2, 15) to (start + 0, 28) + = (((c25 + (((c26 + c27) + c28) + c29)) + Zero) - c31) +- Code(Expression(86, Sub)) at (prev + 1, 12) to (start + 0, 25) + = ((((c25 + (((c26 + c27) + c28) + c29)) + Zero) - c31) - c10) +- Code(Expression(85, Sub)) at (prev + 0, 29) to (start + 0, 42) + = (((((c25 + (((c26 + c27) + c28) + c29)) + Zero) - c31) - c10) - c32) +- Code(Expression(84, Sub)) at (prev + 0, 46) to (start + 0, 60) + = ((((((c25 + (((c26 + c27) + c28) + c29)) + Zero) - c31) - c10) - c32) - c33) +- Code(Expression(130, Add)) at (prev + 0, 61) to (start + 2, 10) = ((c32 + c33) + c34) - Code(Counter(35)) at (prev + 2, 10) to (start + 0, 11) -- Code(Expression(122, Add)) at (prev + 1, 9) to (start + 0, 23) +- Code(Expression(129, Add)) at (prev + 1, 9) to (start + 0, 23) = (((c32 + c33) + c34) + c35) - Code(Counter(10)) at (prev + 2, 13) to (start + 2, 15) -- Code(Expression(131, Add)) at (prev + 5, 9) to (start + 0, 10) +- Code(Expression(138, Add)) at (prev + 5, 9) to (start + 0, 10) = (c4 + (((c5 + c6) + c7) + c8)) -- Code(Expression(121, Add)) at (prev + 0, 16) to (start + 0, 29) +- Code(Expression(128, Add)) at (prev + 0, 16) to (start + 0, 29) = (c31 + (((c32 + c33) + c34) + c35)) - Code(Counter(4)) at (prev + 0, 30) to (start + 2, 6) -- Code(Expression(120, Sub)) at (prev + 2, 15) to (start + 0, 28) +- Code(Expression(127, Sub)) at (prev + 2, 15) to (start + 0, 28) = ((c31 + (((c32 + c33) + c34) + c35)) - c4) -- Code(Expression(119, Sub)) at (prev + 1, 12) to (start + 0, 25) +- Code(Expression(126, Sub)) at (prev + 1, 12) to (start + 0, 25) = (((c31 + (((c32 + c33) + c34) + c35)) - c4) - c9) -- Code(Expression(118, Sub)) at (prev + 0, 29) to (start + 0, 42) +- Code(Expression(125, Sub)) at (prev + 0, 29) to (start + 0, 42) = ((((c31 + (((c32 + c33) + c34) + c35)) - c4) - c9) - c5) -- Code(Expression(117, Sub)) at (prev + 0, 46) to (start + 0, 60) +- Code(Expression(124, Sub)) at (prev + 0, 46) to (start + 0, 60) = (((((c31 + (((c32 + c33) + c34) + c35)) - c4) - c9) - c5) - c6) -- Code(Expression(133, Add)) at (prev + 0, 61) to (start + 2, 10) +- Code(Expression(140, Add)) at (prev + 0, 61) to (start + 2, 10) = ((c5 + c6) + c7) - Code(Counter(8)) at (prev + 2, 10) to (start + 0, 11) -- Code(Expression(132, Add)) at (prev + 1, 9) to (start + 0, 23) +- Code(Expression(139, Add)) at (prev + 1, 9) to (start + 0, 23) = (((c5 + c6) + c7) + c8) - Code(Counter(9)) at (prev + 2, 9) to (start + 0, 15) -- Code(Expression(130, Add)) at (prev + 2, 1) to (start + 0, 2) - = ((c4 + (((c5 + c6) + c7) + c8)) + ((((c9 + c10) + c11) + c12) + (((c1 + Zero) - c2) - c3))) +- Code(Expression(137, Add)) at (prev + 2, 1) to (start + 0, 2) + = ((c4 + (((c5 + c6) + c7) + c8)) + ((((c9 + c10) + c11) + c12) + ((c0 - c2) - c3))) diff --git a/tests/coverage/coroutine.cov-map b/tests/coverage/coroutine.cov-map index 255708d365ee..6ead788b82f9 100644 --- a/tests/coverage/coroutine.cov-map +++ b/tests/coverage/coroutine.cov-map @@ -1,17 +1,15 @@ Function name: coroutine::get_u32 -Raw bytes (28): 0x[01, 01, 02, 01, 05, 05, 02, 04, 01, 0b, 01, 01, 0b, 05, 02, 09, 00, 0e, 02, 02, 09, 00, 28, 07, 02, 01, 00, 02] +Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 0b, 01, 01, 0b, 05, 02, 09, 00, 0e, 02, 02, 09, 00, 28, 01, 02, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 11, 1) to (start + 1, 11) - Code(Counter(1)) at (prev + 2, 9) to (start + 0, 14) - Code(Expression(0, Sub)) at (prev + 2, 9) to (start + 0, 40) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 2, 1) to (start + 0, 2) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 2, 1) to (start + 0, 2) Function name: coroutine::main Raw bytes (65): 0x[01, 01, 08, 07, 0d, 05, 09, 11, 15, 1e, 19, 11, 15, 15, 19, 1e, 19, 11, 15, 09, 01, 13, 01, 02, 16, 01, 07, 0b, 00, 2e, 11, 01, 2b, 00, 2d, 03, 01, 0e, 00, 35, 11, 02, 0b, 00, 2e, 1e, 01, 22, 00, 27, 1a, 00, 2c, 00, 2e, 17, 01, 0e, 00, 35, 1a, 02, 01, 00, 02] diff --git a/tests/coverage/dead_code.cov-map b/tests/coverage/dead_code.cov-map index 0b8a40a8cde0..31599d9072c9 100644 --- a/tests/coverage/dead_code.cov-map +++ b/tests/coverage/dead_code.cov-map @@ -1,17 +1,15 @@ Function name: dead_code::main -Raw bytes (28): 0x[01, 01, 02, 01, 05, 05, 02, 04, 01, 1b, 01, 07, 0f, 05, 07, 10, 02, 06, 02, 02, 06, 00, 07, 07, 01, 01, 00, 02] +Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 1b, 01, 07, 0f, 05, 07, 10, 02, 06, 02, 02, 06, 00, 07, 01, 01, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 27, 1) to (start + 7, 15) - Code(Counter(1)) at (prev + 7, 16) to (start + 2, 6) - Code(Expression(0, Sub)) at (prev + 2, 6) to (start + 0, 7) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 1, 1) to (start + 0, 2) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 1, 1) to (start + 0, 2) Function name: dead_code::unused_fn (unused) Raw bytes (24): 0x[01, 01, 00, 04, 00, 0f, 01, 07, 0f, 00, 07, 10, 02, 06, 00, 02, 06, 00, 07, 00, 01, 01, 00, 02] diff --git a/tests/coverage/drop_trait.cov-map b/tests/coverage/drop_trait.cov-map index 203d1048b054..eb9d7d7acfdf 100644 --- a/tests/coverage/drop_trait.cov-map +++ b/tests/coverage/drop_trait.cov-map @@ -7,15 +7,13 @@ Number of file 0 mappings: 1 - Code(Counter(0)) at (prev + 9, 5) to (start + 2, 6) Function name: drop_trait::main -Raw bytes (26): 0x[01, 01, 01, 05, 00, 04, 01, 0e, 01, 05, 0c, 05, 06, 09, 01, 16, 00, 02, 06, 04, 0b, 03, 05, 01, 00, 02] +Raw bytes (24): 0x[01, 01, 00, 04, 01, 0e, 01, 05, 0c, 05, 06, 09, 01, 16, 00, 02, 06, 04, 0b, 01, 05, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 1 -- expression 0 operands: lhs = Counter(1), rhs = Zero +Number of expressions: 0 Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 14, 1) to (start + 5, 12) - Code(Counter(1)) at (prev + 6, 9) to (start + 1, 22) - Code(Zero) at (prev + 2, 6) to (start + 4, 11) -- Code(Expression(0, Add)) at (prev + 5, 1) to (start + 0, 2) - = (c1 + Zero) +- Code(Counter(0)) at (prev + 5, 1) to (start + 0, 2) diff --git a/tests/coverage/fn_sig_into_try.cov-map b/tests/coverage/fn_sig_into_try.cov-map index c3969f8ce999..49758954831a 100644 --- a/tests/coverage/fn_sig_into_try.cov-map +++ b/tests/coverage/fn_sig_into_try.cov-map @@ -7,47 +7,41 @@ Number of file 0 mappings: 1 - Code(Counter(0)) at (prev + 10, 1) to (start + 5, 2) Function name: fn_sig_into_try::b -Raw bytes (28): 0x[01, 01, 02, 01, 00, 00, 02, 04, 01, 11, 01, 03, 0f, 00, 03, 0f, 00, 10, 02, 01, 05, 00, 0c, 07, 01, 01, 00, 02] +Raw bytes (26): 0x[01, 01, 01, 01, 00, 04, 01, 11, 01, 03, 0f, 00, 03, 0f, 00, 10, 02, 01, 05, 00, 0c, 01, 01, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Zero -- expression 1 operands: lhs = Zero, rhs = Expression(0, Sub) Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 17, 1) to (start + 3, 15) - Code(Zero) at (prev + 3, 15) to (start + 0, 16) - Code(Expression(0, Sub)) at (prev + 1, 5) to (start + 0, 12) = (c0 - Zero) -- Code(Expression(1, Add)) at (prev + 1, 1) to (start + 0, 2) - = (Zero + (c0 - Zero)) +- Code(Counter(0)) at (prev + 1, 1) to (start + 0, 2) Function name: fn_sig_into_try::c -Raw bytes (28): 0x[01, 01, 02, 01, 00, 00, 02, 04, 01, 18, 01, 03, 17, 00, 03, 17, 00, 18, 02, 01, 05, 00, 0c, 07, 01, 01, 00, 02] +Raw bytes (26): 0x[01, 01, 01, 01, 00, 04, 01, 18, 01, 03, 17, 00, 03, 17, 00, 18, 02, 01, 05, 00, 0c, 01, 01, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Zero -- expression 1 operands: lhs = Zero, rhs = Expression(0, Sub) Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 24, 1) to (start + 3, 23) - Code(Zero) at (prev + 3, 23) to (start + 0, 24) - Code(Expression(0, Sub)) at (prev + 1, 5) to (start + 0, 12) = (c0 - Zero) -- Code(Expression(1, Add)) at (prev + 1, 1) to (start + 0, 2) - = (Zero + (c0 - Zero)) +- Code(Counter(0)) at (prev + 1, 1) to (start + 0, 2) Function name: fn_sig_into_try::d -Raw bytes (28): 0x[01, 01, 02, 01, 00, 00, 02, 04, 01, 1f, 01, 04, 0f, 00, 04, 0f, 00, 10, 02, 01, 05, 00, 0c, 07, 01, 01, 00, 02] +Raw bytes (26): 0x[01, 01, 01, 01, 00, 04, 01, 1f, 01, 04, 0f, 00, 04, 0f, 00, 10, 02, 01, 05, 00, 0c, 01, 01, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Zero -- expression 1 operands: lhs = Zero, rhs = Expression(0, Sub) Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 31, 1) to (start + 4, 15) - Code(Zero) at (prev + 4, 15) to (start + 0, 16) - Code(Expression(0, Sub)) at (prev + 1, 5) to (start + 0, 12) = (c0 - Zero) -- Code(Expression(1, Add)) at (prev + 1, 1) to (start + 0, 2) - = (Zero + (c0 - Zero)) +- Code(Counter(0)) at (prev + 1, 1) to (start + 0, 2) diff --git a/tests/coverage/generics.cov-map b/tests/coverage/generics.cov-map index 6079a433cd04..48e191c1156f 100644 --- a/tests/coverage/generics.cov-map +++ b/tests/coverage/generics.cov-map @@ -31,15 +31,13 @@ Number of file 0 mappings: 1 - Code(Counter(0)) at (prev + 10, 5) to (start + 2, 6) Function name: generics::main -Raw bytes (26): 0x[01, 01, 01, 05, 00, 04, 01, 16, 01, 08, 0c, 05, 09, 09, 01, 16, 00, 02, 06, 04, 0b, 03, 05, 01, 00, 02] +Raw bytes (24): 0x[01, 01, 00, 04, 01, 16, 01, 08, 0c, 05, 09, 09, 01, 16, 00, 02, 06, 04, 0b, 01, 05, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 1 -- expression 0 operands: lhs = Counter(1), rhs = Zero +Number of expressions: 0 Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 22, 1) to (start + 8, 12) - Code(Counter(1)) at (prev + 9, 9) to (start + 1, 22) - Code(Zero) at (prev + 2, 6) to (start + 4, 11) -- Code(Expression(0, Add)) at (prev + 5, 1) to (start + 0, 2) - = (c1 + Zero) +- Code(Counter(0)) at (prev + 5, 1) to (start + 0, 2) diff --git a/tests/coverage/if.cov-map b/tests/coverage/if.cov-map index d7122f4b1a03..2b5ae97b406d 100644 --- a/tests/coverage/if.cov-map +++ b/tests/coverage/if.cov-map @@ -1,15 +1,13 @@ Function name: if::main -Raw bytes (28): 0x[01, 01, 02, 01, 05, 05, 02, 04, 01, 04, 01, 12, 10, 05, 13, 05, 05, 06, 02, 05, 06, 00, 07, 07, 01, 01, 00, 02] +Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 04, 01, 12, 10, 05, 13, 05, 05, 06, 02, 05, 06, 00, 07, 01, 01, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 4, 1) to (start + 18, 16) - Code(Counter(1)) at (prev + 19, 5) to (start + 5, 6) - Code(Expression(0, Sub)) at (prev + 5, 6) to (start + 0, 7) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 1, 1) to (start + 0, 2) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 1, 1) to (start + 0, 2) diff --git a/tests/coverage/if_else.cov-map b/tests/coverage/if_else.cov-map index 7163681d3a04..c2111917e559 100644 --- a/tests/coverage/if_else.cov-map +++ b/tests/coverage/if_else.cov-map @@ -1,25 +1,18 @@ Function name: if_else::main -Raw bytes (53): 0x[01, 01, 07, 01, 05, 05, 02, 1b, 09, 05, 02, 09, 16, 1b, 09, 05, 02, 07, 01, 04, 01, 08, 10, 05, 09, 05, 05, 06, 02, 08, 09, 02, 10, 1b, 06, 09, 00, 10, 09, 01, 05, 05, 06, 16, 07, 05, 05, 06, 13, 06, 01, 00, 02] +Raw bytes (43): 0x[01, 01, 02, 01, 05, 01, 09, 07, 01, 04, 01, 08, 10, 05, 09, 05, 05, 06, 02, 08, 09, 02, 10, 01, 06, 09, 00, 10, 09, 01, 05, 05, 06, 06, 07, 05, 05, 06, 01, 06, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 7 +Number of expressions: 2 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 2 operands: lhs = Expression(6, Add), rhs = Counter(2) -- expression 3 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 4 operands: lhs = Counter(2), rhs = Expression(5, Sub) -- expression 5 operands: lhs = Expression(6, Add), rhs = Counter(2) -- expression 6 operands: lhs = Counter(1), rhs = Expression(0, Sub) +- expression 1 operands: lhs = Counter(0), rhs = Counter(2) Number of file 0 mappings: 7 - Code(Counter(0)) at (prev + 4, 1) to (start + 8, 16) - Code(Counter(1)) at (prev + 9, 5) to (start + 5, 6) - Code(Expression(0, Sub)) at (prev + 8, 9) to (start + 2, 16) = (c0 - c1) -- Code(Expression(6, Add)) at (prev + 6, 9) to (start + 0, 16) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 6, 9) to (start + 0, 16) - Code(Counter(2)) at (prev + 1, 5) to (start + 5, 6) -- Code(Expression(5, Sub)) at (prev + 7, 5) to (start + 5, 6) - = ((c1 + (c0 - c1)) - c2) -- Code(Expression(4, Add)) at (prev + 6, 1) to (start + 0, 2) - = (c2 + ((c1 + (c0 - c1)) - c2)) +- Code(Expression(1, Sub)) at (prev + 7, 5) to (start + 5, 6) + = (c0 - c2) +- Code(Counter(0)) at (prev + 6, 1) to (start + 0, 2) diff --git a/tests/coverage/if_not.cov-map b/tests/coverage/if_not.cov-map index 3c660551dea1..9e11ed787a88 100644 --- a/tests/coverage/if_not.cov-map +++ b/tests/coverage/if_not.cov-map @@ -1,39 +1,23 @@ Function name: if_not::if_not -Raw bytes (86): 0x[01, 01, 10, 01, 05, 05, 02, 3f, 09, 05, 02, 09, 3a, 3f, 09, 05, 02, 37, 0d, 09, 3a, 3f, 09, 05, 02, 0d, 32, 37, 0d, 09, 3a, 3f, 09, 05, 02, 0a, 01, 05, 01, 03, 0d, 02, 04, 05, 02, 06, 05, 02, 06, 00, 07, 3f, 03, 09, 01, 0d, 3a, 02, 05, 02, 06, 09, 02, 06, 00, 07, 37, 03, 09, 01, 0d, 32, 02, 05, 02, 06, 0d, 02, 0c, 02, 06, 2f, 03, 01, 00, 02] +Raw bytes (60): 0x[01, 01, 03, 01, 05, 01, 09, 01, 0d, 0a, 01, 05, 01, 03, 0d, 02, 04, 05, 02, 06, 05, 02, 06, 00, 07, 01, 03, 09, 01, 0d, 06, 02, 05, 02, 06, 09, 02, 06, 00, 07, 01, 03, 09, 01, 0d, 0a, 02, 05, 02, 06, 0d, 02, 0c, 02, 06, 01, 03, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 16 +Number of expressions: 3 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 2 operands: lhs = Expression(15, Add), rhs = Counter(2) -- expression 3 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 4 operands: lhs = Counter(2), rhs = Expression(14, Sub) -- expression 5 operands: lhs = Expression(15, Add), rhs = Counter(2) -- expression 6 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 7 operands: lhs = Expression(13, Add), rhs = Counter(3) -- expression 8 operands: lhs = Counter(2), rhs = Expression(14, Sub) -- expression 9 operands: lhs = Expression(15, Add), rhs = Counter(2) -- expression 10 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 11 operands: lhs = Counter(3), rhs = Expression(12, Sub) -- expression 12 operands: lhs = Expression(13, Add), rhs = Counter(3) -- expression 13 operands: lhs = Counter(2), rhs = Expression(14, Sub) -- expression 14 operands: lhs = Expression(15, Add), rhs = Counter(2) -- expression 15 operands: lhs = Counter(1), rhs = Expression(0, Sub) +- expression 1 operands: lhs = Counter(0), rhs = Counter(2) +- expression 2 operands: lhs = Counter(0), rhs = Counter(3) Number of file 0 mappings: 10 - Code(Counter(0)) at (prev + 5, 1) to (start + 3, 13) - Code(Expression(0, Sub)) at (prev + 4, 5) to (start + 2, 6) = (c0 - c1) - Code(Counter(1)) at (prev + 2, 6) to (start + 0, 7) -- Code(Expression(15, Add)) at (prev + 3, 9) to (start + 1, 13) - = (c1 + (c0 - c1)) -- Code(Expression(14, Sub)) at (prev + 2, 5) to (start + 2, 6) - = ((c1 + (c0 - c1)) - c2) +- Code(Counter(0)) at (prev + 3, 9) to (start + 1, 13) +- Code(Expression(1, Sub)) at (prev + 2, 5) to (start + 2, 6) + = (c0 - c2) - Code(Counter(2)) at (prev + 2, 6) to (start + 0, 7) -- Code(Expression(13, Add)) at (prev + 3, 9) to (start + 1, 13) - = (c2 + ((c1 + (c0 - c1)) - c2)) -- Code(Expression(12, Sub)) at (prev + 2, 5) to (start + 2, 6) - = ((c2 + ((c1 + (c0 - c1)) - c2)) - c3) +- Code(Counter(0)) at (prev + 3, 9) to (start + 1, 13) +- Code(Expression(2, Sub)) at (prev + 2, 5) to (start + 2, 6) + = (c0 - c3) - Code(Counter(3)) at (prev + 2, 12) to (start + 2, 6) -- Code(Expression(11, Add)) at (prev + 3, 1) to (start + 0, 2) - = (c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) +- Code(Counter(0)) at (prev + 3, 1) to (start + 0, 2) diff --git a/tests/coverage/inline-dead.cov-map b/tests/coverage/inline-dead.cov-map index f77781ca0283..96b907cbe153 100644 --- a/tests/coverage/inline-dead.cov-map +++ b/tests/coverage/inline-dead.cov-map @@ -7,19 +7,17 @@ Number of file 0 mappings: 1 - Code(Zero) at (prev + 23, 1) to (start + 2, 2) Function name: inline_dead::live:: -Raw bytes (28): 0x[01, 01, 02, 01, 00, 00, 02, 04, 01, 0e, 01, 01, 09, 00, 02, 09, 00, 0f, 02, 02, 09, 00, 0a, 07, 02, 01, 00, 02] +Raw bytes (26): 0x[01, 01, 01, 01, 00, 04, 01, 0e, 01, 01, 09, 00, 02, 09, 00, 0f, 02, 02, 09, 00, 0a, 01, 02, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Zero -- expression 1 operands: lhs = Zero, rhs = Expression(0, Sub) Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 14, 1) to (start + 1, 9) - Code(Zero) at (prev + 2, 9) to (start + 0, 15) - Code(Expression(0, Sub)) at (prev + 2, 9) to (start + 0, 10) = (c0 - Zero) -- Code(Expression(1, Add)) at (prev + 2, 1) to (start + 0, 2) - = (Zero + (c0 - Zero)) +- Code(Counter(0)) at (prev + 2, 1) to (start + 0, 2) Function name: inline_dead::main Raw bytes (14): 0x[01, 01, 00, 02, 01, 04, 01, 03, 0a, 01, 06, 05, 01, 02] diff --git a/tests/coverage/inline.cov-map b/tests/coverage/inline.cov-map index 001c333ae6d9..2366a3bc5345 100644 --- a/tests/coverage/inline.cov-map +++ b/tests/coverage/inline.cov-map @@ -1,18 +1,16 @@ Function name: inline::display:: -Raw bytes (33): 0x[01, 01, 02, 01, 05, 03, 05, 05, 01, 29, 01, 00, 22, 05, 01, 09, 00, 0a, 03, 00, 0e, 00, 10, 05, 00, 11, 02, 06, 06, 03, 05, 01, 02] +Raw bytes (31): 0x[01, 01, 01, 01, 05, 05, 01, 29, 01, 00, 22, 05, 01, 09, 00, 0a, 03, 00, 0e, 00, 10, 05, 00, 11, 02, 06, 01, 03, 05, 01, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Expression(0, Add), rhs = Counter(1) Number of file 0 mappings: 5 - Code(Counter(0)) at (prev + 41, 1) to (start + 0, 34) - Code(Counter(1)) at (prev + 1, 9) to (start + 0, 10) - Code(Expression(0, Add)) at (prev + 0, 14) to (start + 0, 16) = (c0 + c1) - Code(Counter(1)) at (prev + 0, 17) to (start + 2, 6) -- Code(Expression(1, Sub)) at (prev + 3, 5) to (start + 1, 2) - = ((c0 + c1) - c1) +- Code(Counter(0)) at (prev + 3, 5) to (start + 1, 2) Function name: inline::error Raw bytes (9): 0x[01, 01, 00, 01, 01, 31, 01, 01, 14] diff --git a/tests/coverage/inner_items.cov-map b/tests/coverage/inner_items.cov-map index 3f39d74efbac..6ccc3f0bafc8 100644 --- a/tests/coverage/inner_items.cov-map +++ b/tests/coverage/inner_items.cov-map @@ -15,29 +15,22 @@ Number of file 0 mappings: 1 - Code(Counter(0)) at (prev + 40, 9) to (start + 3, 10) Function name: inner_items::main -Raw bytes (53): 0x[01, 01, 07, 01, 05, 05, 02, 1b, 09, 05, 02, 09, 16, 1b, 09, 05, 02, 07, 01, 03, 01, 07, 0f, 05, 07, 10, 02, 06, 02, 02, 06, 00, 07, 1b, 24, 08, 00, 0f, 09, 00, 10, 02, 06, 16, 02, 06, 00, 07, 13, 02, 09, 05, 02] +Raw bytes (43): 0x[01, 01, 02, 01, 05, 01, 09, 07, 01, 03, 01, 07, 0f, 05, 07, 10, 02, 06, 02, 02, 06, 00, 07, 01, 24, 08, 00, 0f, 09, 00, 10, 02, 06, 06, 02, 06, 00, 07, 01, 02, 09, 05, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 7 +Number of expressions: 2 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 2 operands: lhs = Expression(6, Add), rhs = Counter(2) -- expression 3 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 4 operands: lhs = Counter(2), rhs = Expression(5, Sub) -- expression 5 operands: lhs = Expression(6, Add), rhs = Counter(2) -- expression 6 operands: lhs = Counter(1), rhs = Expression(0, Sub) +- expression 1 operands: lhs = Counter(0), rhs = Counter(2) Number of file 0 mappings: 7 - Code(Counter(0)) at (prev + 3, 1) to (start + 7, 15) - Code(Counter(1)) at (prev + 7, 16) to (start + 2, 6) - Code(Expression(0, Sub)) at (prev + 2, 6) to (start + 0, 7) = (c0 - c1) -- Code(Expression(6, Add)) at (prev + 36, 8) to (start + 0, 15) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 36, 8) to (start + 0, 15) - Code(Counter(2)) at (prev + 0, 16) to (start + 2, 6) -- Code(Expression(5, Sub)) at (prev + 2, 6) to (start + 0, 7) - = ((c1 + (c0 - c1)) - c2) -- Code(Expression(4, Add)) at (prev + 2, 9) to (start + 5, 2) - = (c2 + ((c1 + (c0 - c1)) - c2)) +- Code(Expression(1, Sub)) at (prev + 2, 6) to (start + 0, 7) + = (c0 - c2) +- Code(Counter(0)) at (prev + 2, 9) to (start + 5, 2) Function name: inner_items::main::in_func Raw bytes (9): 0x[01, 01, 00, 01, 01, 12, 05, 04, 06] diff --git a/tests/coverage/issue-84561.cov-map b/tests/coverage/issue-84561.cov-map index ab66a2fffce1..c4087d9369d8 100644 --- a/tests/coverage/issue-84561.cov-map +++ b/tests/coverage/issue-84561.cov-map @@ -1,17 +1,15 @@ Function name: ::fmt -Raw bytes (29): 0x[01, 01, 02, 01, 05, 05, 02, 04, 01, 8a, 01, 05, 01, 25, 05, 01, 25, 00, 26, 02, 01, 09, 00, 0f, 07, 01, 05, 00, 06] +Raw bytes (27): 0x[01, 01, 01, 01, 05, 04, 01, 8a, 01, 05, 01, 25, 05, 01, 25, 00, 26, 02, 01, 09, 00, 0f, 01, 01, 05, 00, 06] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 138, 5) to (start + 1, 37) - Code(Counter(1)) at (prev + 1, 37) to (start + 0, 38) - Code(Expression(0, Sub)) at (prev + 1, 9) to (start + 0, 15) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 1, 5) to (start + 0, 6) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 1, 5) to (start + 0, 6) Function name: issue_84561::main Raw bytes (10): 0x[01, 01, 00, 01, 01, b4, 01, 01, 04, 02] @@ -22,51 +20,30 @@ Number of file 0 mappings: 1 - Code(Counter(0)) at (prev + 180, 1) to (start + 4, 2) Function name: issue_84561::test1 -Raw bytes (78): 0x[01, 01, 0e, 05, 06, 01, 05, 09, 36, 03, 09, 0d, 2e, 33, 0d, 09, 36, 03, 09, 11, 26, 2b, 11, 0d, 2e, 33, 0d, 09, 36, 03, 09, 09, 01, 9a, 01, 01, 01, 0b, 05, 01, 0c, 00, 1e, 03, 01, 05, 00, 0b, 09, 00, 0c, 00, 1e, 33, 01, 0d, 01, 0b, 0d, 01, 0c, 00, 1e, 2b, 01, 05, 03, 0b, 11, 03, 0c, 00, 1e, 23, 01, 01, 00, 02] +Raw bytes (50): 0x[01, 01, 00, 09, 01, 9a, 01, 01, 01, 0b, 05, 01, 0c, 00, 1e, 01, 01, 05, 00, 0b, 09, 00, 0c, 00, 1e, 01, 01, 0d, 01, 0b, 0d, 01, 0c, 00, 1e, 01, 01, 05, 03, 0b, 11, 03, 0c, 00, 1e, 01, 01, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 14 -- expression 0 operands: lhs = Counter(1), rhs = Expression(1, Sub) -- expression 1 operands: lhs = Counter(0), rhs = Counter(1) -- expression 2 operands: lhs = Counter(2), rhs = Expression(13, Sub) -- expression 3 operands: lhs = Expression(0, Add), rhs = Counter(2) -- expression 4 operands: lhs = Counter(3), rhs = Expression(11, Sub) -- expression 5 operands: lhs = Expression(12, Add), rhs = Counter(3) -- expression 6 operands: lhs = Counter(2), rhs = Expression(13, Sub) -- expression 7 operands: lhs = Expression(0, Add), rhs = Counter(2) -- expression 8 operands: lhs = Counter(4), rhs = Expression(9, Sub) -- expression 9 operands: lhs = Expression(10, Add), rhs = Counter(4) -- expression 10 operands: lhs = Counter(3), rhs = Expression(11, Sub) -- expression 11 operands: lhs = Expression(12, Add), rhs = Counter(3) -- expression 12 operands: lhs = Counter(2), rhs = Expression(13, Sub) -- expression 13 operands: lhs = Expression(0, Add), rhs = Counter(2) +Number of expressions: 0 Number of file 0 mappings: 9 - Code(Counter(0)) at (prev + 154, 1) to (start + 1, 11) - Code(Counter(1)) at (prev + 1, 12) to (start + 0, 30) -- Code(Expression(0, Add)) at (prev + 1, 5) to (start + 0, 11) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 1, 5) to (start + 0, 11) - Code(Counter(2)) at (prev + 0, 12) to (start + 0, 30) -- Code(Expression(12, Add)) at (prev + 1, 13) to (start + 1, 11) - = (c2 + ((c1 + (c0 - c1)) - c2)) +- Code(Counter(0)) at (prev + 1, 13) to (start + 1, 11) - Code(Counter(3)) at (prev + 1, 12) to (start + 0, 30) -- Code(Expression(10, Add)) at (prev + 1, 5) to (start + 3, 11) - = (c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) +- Code(Counter(0)) at (prev + 1, 5) to (start + 3, 11) - Code(Counter(4)) at (prev + 3, 12) to (start + 0, 30) -- Code(Expression(8, Add)) at (prev + 1, 1) to (start + 0, 2) - = (c4 + ((c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) - c4)) +- Code(Counter(0)) at (prev + 1, 1) to (start + 0, 2) Function name: issue_84561::test2 -Raw bytes (24): 0x[01, 01, 02, 05, 06, 01, 05, 03, 01, b0, 01, 01, 01, 10, 05, 01, 11, 00, 23, 03, 01, 01, 00, 02] +Raw bytes (20): 0x[01, 01, 00, 03, 01, b0, 01, 01, 01, 10, 05, 01, 11, 00, 23, 01, 01, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 -- expression 0 operands: lhs = Counter(1), rhs = Expression(1, Sub) -- expression 1 operands: lhs = Counter(0), rhs = Counter(1) +Number of expressions: 0 Number of file 0 mappings: 3 - Code(Counter(0)) at (prev + 176, 1) to (start + 1, 16) - Code(Counter(1)) at (prev + 1, 17) to (start + 0, 35) -- Code(Expression(0, Add)) at (prev + 1, 1) to (start + 0, 2) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 1, 1) to (start + 0, 2) Function name: issue_84561::test2::call_print Raw bytes (10): 0x[01, 01, 00, 01, 01, a7, 01, 09, 02, 0a] @@ -77,10 +54,10 @@ Number of file 0 mappings: 1 - Code(Counter(0)) at (prev + 167, 9) to (start + 2, 10) Function name: issue_84561::test3 -Raw bytes (436): 0x[01, 01, 41, 05, 00, 0d, 00, 15, 00, 12, 00, 15, 00, 21, 00, 1e, 00, 21, 00, 31, 00, 3d, 00, 2e, 45, 3d, 00, 42, 49, 45, 00, 3f, 51, 42, 49, 45, 00, 5d, 8a, 01, 8f, 01, 5d, 92, 01, 55, 51, 00, 92, 01, 55, 51, 00, 8f, 01, 5d, 92, 01, 55, 51, 00, 87, 01, 61, 5d, 8a, 01, 8f, 01, 5d, 92, 01, 55, 51, 00, 82, 01, 65, 87, 01, 61, 5d, 8a, 01, 8f, 01, 5d, 92, 01, 55, 51, 00, 75, f6, 01, fb, 01, 79, 00, fe, 01, 82, 02, 00, 69, 6d, 00, fe, 01, 82, 02, 00, 69, 6d, 69, 6d, 82, 02, 00, 69, 6d, fb, 01, 79, 00, fe, 01, 82, 02, 00, 69, 6d, f3, 01, 7d, 75, f6, 01, fb, 01, 79, 00, fe, 01, 82, 02, 00, 69, 6d, ee, 01, 00, f3, 01, 7d, 75, f6, 01, fb, 01, 79, 00, fe, 01, 82, 02, 00, 69, 6d, 33, 01, 08, 01, 03, 1c, 05, 04, 09, 01, 1c, 02, 02, 05, 04, 1f, 0d, 05, 05, 00, 1f, 06, 01, 05, 00, 1f, 15, 01, 09, 01, 1c, 12, 02, 05, 00, 1f, 0e, 01, 05, 00, 0f, 00, 00, 20, 00, 30, 21, 01, 05, 03, 0f, 00, 03, 20, 00, 30, 00, 00, 33, 00, 41, 00, 00, 4b, 00, 5a, 1e, 01, 05, 00, 0f, 00, 05, 09, 03, 10, 00, 05, 0d, 00, 1b, 00, 02, 0d, 00, 1c, 1a, 04, 09, 05, 06, 31, 06, 05, 03, 06, 22, 04, 05, 03, 06, 3d, 04, 09, 04, 06, 2e, 05, 08, 00, 0f, 45, 01, 09, 03, 0a, 2a, 05, 09, 03, 0a, 3f, 05, 08, 00, 0f, 51, 01, 09, 00, 13, 00, 03, 0d, 00, 1d, 3a, 03, 09, 00, 13, 00, 03, 0d, 00, 1d, 87, 01, 03, 05, 00, 0f, 8f, 01, 01, 0c, 00, 13, 5d, 01, 0d, 00, 13, 8a, 01, 02, 0d, 00, 13, 82, 01, 04, 05, 02, 13, 65, 03, 0d, 00, 13, 7e, 02, 0d, 00, 13, f3, 01, 03, 05, 00, 0f, 69, 01, 0c, 00, 13, 6d, 01, 0d, 03, 0e, 75, 04, 0d, 00, 13, fb, 01, 02, 0d, 00, 17, 82, 02, 01, 14, 00, 1b, 00, 01, 15, 00, 1b, fe, 01, 02, 15, 00, 1b, f6, 01, 04, 0d, 00, 13, 7d, 03, 09, 00, 19, ee, 01, 02, 05, 00, 0f, ea, 01, 03, 09, 00, 22, 00, 02, 05, 00, 0f, 00, 03, 09, 00, 2c, 00, 02, 01, 00, 02] +Raw bytes (375): 0x[01, 01, 31, 05, 00, 0d, 00, 15, 00, 12, 00, 15, 00, 21, 00, 1e, 00, 21, 00, 31, 00, 3d, 00, 2e, 45, 3d, 00, 42, 49, 45, 00, 3f, 51, 42, 49, 45, 00, 7a, 55, 51, 00, 7a, 55, 51, 00, 77, 5d, 7a, 55, 51, 00, 77, 61, 7a, 55, 51, 00, 72, 65, 77, 61, 7a, 55, 51, 00, 75, be, 01, c2, 01, 79, 69, 6d, 69, 6d, 69, 6d, c2, 01, 00, 69, 6d, c2, 01, 79, 69, 6d, bb, 01, 7d, 75, be, 01, c2, 01, 79, 69, 6d, b6, 01, 00, bb, 01, 7d, 75, be, 01, c2, 01, 79, 69, 6d, 33, 01, 08, 01, 03, 1c, 05, 04, 09, 01, 1c, 02, 02, 05, 04, 1f, 0d, 05, 05, 00, 1f, 06, 01, 05, 00, 1f, 15, 01, 09, 01, 1c, 12, 02, 05, 00, 1f, 0e, 01, 05, 00, 0f, 00, 00, 20, 00, 30, 21, 01, 05, 03, 0f, 00, 03, 20, 00, 30, 00, 00, 33, 00, 41, 00, 00, 4b, 00, 5a, 1e, 01, 05, 00, 0f, 00, 05, 09, 03, 10, 00, 05, 0d, 00, 1b, 00, 02, 0d, 00, 1c, 1a, 04, 09, 05, 06, 31, 06, 05, 03, 06, 22, 04, 05, 03, 06, 3d, 04, 09, 04, 06, 2e, 05, 08, 00, 0f, 45, 01, 09, 03, 0a, 2a, 05, 09, 03, 0a, 3f, 05, 08, 00, 0f, 51, 01, 09, 00, 13, 00, 03, 0d, 00, 1d, 3a, 03, 09, 00, 13, 00, 03, 0d, 00, 1d, 77, 03, 05, 00, 0f, 77, 01, 0c, 00, 13, 5d, 01, 0d, 00, 13, 56, 02, 0d, 00, 13, 72, 04, 05, 02, 13, 65, 03, 0d, 00, 13, 6e, 02, 0d, 00, 13, bb, 01, 03, 05, 00, 0f, 69, 01, 0c, 00, 13, 6d, 01, 0d, 03, 0e, 75, 04, 0d, 00, 13, c2, 01, 02, 0d, 00, 17, c2, 01, 01, 14, 00, 1b, 00, 01, 15, 00, 1b, 92, 01, 02, 15, 00, 1b, be, 01, 04, 0d, 00, 13, 7d, 03, 09, 00, 19, b6, 01, 02, 05, 00, 0f, b2, 01, 03, 09, 00, 22, 00, 02, 05, 00, 0f, 00, 03, 09, 00, 2c, 00, 02, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 65 +Number of expressions: 49 - expression 0 operands: lhs = Counter(1), rhs = Zero - expression 1 operands: lhs = Counter(3), rhs = Zero - expression 2 operands: lhs = Counter(5), rhs = Zero @@ -98,54 +75,38 @@ Number of expressions: 65 - expression 14 operands: lhs = Expression(15, Add), rhs = Counter(20) - expression 15 operands: lhs = Expression(16, Sub), rhs = Counter(18) - expression 16 operands: lhs = Counter(17), rhs = Zero -- expression 17 operands: lhs = Counter(23), rhs = Expression(34, Sub) -- expression 18 operands: lhs = Expression(35, Add), rhs = Counter(23) -- expression 19 operands: lhs = Expression(36, Sub), rhs = Counter(21) +- expression 17 operands: lhs = Expression(30, Sub), rhs = Counter(21) +- expression 18 operands: lhs = Counter(20), rhs = Zero +- expression 19 operands: lhs = Expression(30, Sub), rhs = Counter(21) - expression 20 operands: lhs = Counter(20), rhs = Zero -- expression 21 operands: lhs = Expression(36, Sub), rhs = Counter(21) -- expression 22 operands: lhs = Counter(20), rhs = Zero -- expression 23 operands: lhs = Expression(35, Add), rhs = Counter(23) -- expression 24 operands: lhs = Expression(36, Sub), rhs = Counter(21) -- expression 25 operands: lhs = Counter(20), rhs = Zero -- expression 26 operands: lhs = Expression(33, Add), rhs = Counter(24) -- expression 27 operands: lhs = Counter(23), rhs = Expression(34, Sub) -- expression 28 operands: lhs = Expression(35, Add), rhs = Counter(23) -- expression 29 operands: lhs = Expression(36, Sub), rhs = Counter(21) +- expression 21 operands: lhs = Expression(29, Add), rhs = Counter(23) +- expression 22 operands: lhs = Expression(30, Sub), rhs = Counter(21) +- expression 23 operands: lhs = Counter(20), rhs = Zero +- expression 24 operands: lhs = Expression(29, Add), rhs = Counter(24) +- expression 25 operands: lhs = Expression(30, Sub), rhs = Counter(21) +- expression 26 operands: lhs = Counter(20), rhs = Zero +- expression 27 operands: lhs = Expression(28, Sub), rhs = Counter(25) +- expression 28 operands: lhs = Expression(29, Add), rhs = Counter(24) +- expression 29 operands: lhs = Expression(30, Sub), rhs = Counter(21) - expression 30 operands: lhs = Counter(20), rhs = Zero -- expression 31 operands: lhs = Expression(32, Sub), rhs = Counter(25) -- expression 32 operands: lhs = Expression(33, Add), rhs = Counter(24) -- expression 33 operands: lhs = Counter(23), rhs = Expression(34, Sub) -- expression 34 operands: lhs = Expression(35, Add), rhs = Counter(23) -- expression 35 operands: lhs = Expression(36, Sub), rhs = Counter(21) -- expression 36 operands: lhs = Counter(20), rhs = Zero -- expression 37 operands: lhs = Counter(29), rhs = Expression(61, Sub) -- expression 38 operands: lhs = Expression(62, Add), rhs = Counter(30) -- expression 39 operands: lhs = Zero, rhs = Expression(63, Sub) -- expression 40 operands: lhs = Expression(64, Sub), rhs = Zero -- expression 41 operands: lhs = Counter(26), rhs = Counter(27) -- expression 42 operands: lhs = Zero, rhs = Expression(63, Sub) -- expression 43 operands: lhs = Expression(64, Sub), rhs = Zero -- expression 44 operands: lhs = Counter(26), rhs = Counter(27) -- expression 45 operands: lhs = Counter(26), rhs = Counter(27) -- expression 46 operands: lhs = Expression(64, Sub), rhs = Zero -- expression 47 operands: lhs = Counter(26), rhs = Counter(27) -- expression 48 operands: lhs = Expression(62, Add), rhs = Counter(30) -- expression 49 operands: lhs = Zero, rhs = Expression(63, Sub) -- expression 50 operands: lhs = Expression(64, Sub), rhs = Zero -- expression 51 operands: lhs = Counter(26), rhs = Counter(27) -- expression 52 operands: lhs = Expression(60, Add), rhs = Counter(31) -- expression 53 operands: lhs = Counter(29), rhs = Expression(61, Sub) -- expression 54 operands: lhs = Expression(62, Add), rhs = Counter(30) -- expression 55 operands: lhs = Zero, rhs = Expression(63, Sub) -- expression 56 operands: lhs = Expression(64, Sub), rhs = Zero -- expression 57 operands: lhs = Counter(26), rhs = Counter(27) -- expression 58 operands: lhs = Expression(59, Sub), rhs = Zero -- expression 59 operands: lhs = Expression(60, Add), rhs = Counter(31) -- expression 60 operands: lhs = Counter(29), rhs = Expression(61, Sub) -- expression 61 operands: lhs = Expression(62, Add), rhs = Counter(30) -- expression 62 operands: lhs = Zero, rhs = Expression(63, Sub) -- expression 63 operands: lhs = Expression(64, Sub), rhs = Zero -- expression 64 operands: lhs = Counter(26), rhs = Counter(27) +- expression 31 operands: lhs = Counter(29), rhs = Expression(47, Sub) +- expression 32 operands: lhs = Expression(48, Sub), rhs = Counter(30) +- expression 33 operands: lhs = Counter(26), rhs = Counter(27) +- expression 34 operands: lhs = Counter(26), rhs = Counter(27) +- expression 35 operands: lhs = Counter(26), rhs = Counter(27) +- expression 36 operands: lhs = Expression(48, Sub), rhs = Zero +- expression 37 operands: lhs = Counter(26), rhs = Counter(27) +- expression 38 operands: lhs = Expression(48, Sub), rhs = Counter(30) +- expression 39 operands: lhs = Counter(26), rhs = Counter(27) +- expression 40 operands: lhs = Expression(46, Add), rhs = Counter(31) +- expression 41 operands: lhs = Counter(29), rhs = Expression(47, Sub) +- expression 42 operands: lhs = Expression(48, Sub), rhs = Counter(30) +- expression 43 operands: lhs = Counter(26), rhs = Counter(27) +- expression 44 operands: lhs = Expression(45, Sub), rhs = Zero +- expression 45 operands: lhs = Expression(46, Add), rhs = Counter(31) +- expression 46 operands: lhs = Counter(29), rhs = Expression(47, Sub) +- expression 47 operands: lhs = Expression(48, Sub), rhs = Counter(30) +- expression 48 operands: lhs = Counter(26), rhs = Counter(27) Number of file 0 mappings: 51 - Code(Counter(0)) at (prev + 8, 1) to (start + 3, 28) - Code(Counter(1)) at (prev + 4, 9) to (start + 1, 28) @@ -187,37 +148,37 @@ Number of file 0 mappings: 51 - Code(Expression(14, Sub)) at (prev + 3, 9) to (start + 0, 19) = (((c17 - Zero) + c18) - c20) - Code(Zero) at (prev + 3, 13) to (start + 0, 29) -- Code(Expression(33, Add)) at (prev + 3, 5) to (start + 0, 15) - = (c23 + (((c20 - Zero) + c21) - c23)) -- Code(Expression(35, Add)) at (prev + 1, 12) to (start + 0, 19) +- Code(Expression(29, Add)) at (prev + 3, 5) to (start + 0, 15) + = ((c20 - Zero) + c21) +- Code(Expression(29, Add)) at (prev + 1, 12) to (start + 0, 19) = ((c20 - Zero) + c21) - Code(Counter(23)) at (prev + 1, 13) to (start + 0, 19) -- Code(Expression(34, Sub)) at (prev + 2, 13) to (start + 0, 19) +- Code(Expression(21, Sub)) at (prev + 2, 13) to (start + 0, 19) = (((c20 - Zero) + c21) - c23) -- Code(Expression(32, Sub)) at (prev + 4, 5) to (start + 2, 19) - = ((c23 + (((c20 - Zero) + c21) - c23)) - c24) +- Code(Expression(28, Sub)) at (prev + 4, 5) to (start + 2, 19) + = (((c20 - Zero) + c21) - c24) - Code(Counter(25)) at (prev + 3, 13) to (start + 0, 19) -- Code(Expression(31, Sub)) at (prev + 2, 13) to (start + 0, 19) - = (((c23 + (((c20 - Zero) + c21) - c23)) - c24) - c25) -- Code(Expression(60, Add)) at (prev + 3, 5) to (start + 0, 15) - = (c29 + ((Zero + ((c26 - c27) - Zero)) - c30)) +- Code(Expression(27, Sub)) at (prev + 2, 13) to (start + 0, 19) + = ((((c20 - Zero) + c21) - c24) - c25) +- Code(Expression(46, Add)) at (prev + 3, 5) to (start + 0, 15) + = (c29 + ((c26 - c27) - c30)) - Code(Counter(26)) at (prev + 1, 12) to (start + 0, 19) - Code(Counter(27)) at (prev + 1, 13) to (start + 3, 14) - Code(Counter(29)) at (prev + 4, 13) to (start + 0, 19) -- Code(Expression(62, Add)) at (prev + 2, 13) to (start + 0, 23) - = (Zero + ((c26 - c27) - Zero)) -- Code(Expression(64, Sub)) at (prev + 1, 20) to (start + 0, 27) +- Code(Expression(48, Sub)) at (prev + 2, 13) to (start + 0, 23) + = (c26 - c27) +- Code(Expression(48, Sub)) at (prev + 1, 20) to (start + 0, 27) = (c26 - c27) - Code(Zero) at (prev + 1, 21) to (start + 0, 27) -- Code(Expression(63, Sub)) at (prev + 2, 21) to (start + 0, 27) +- Code(Expression(36, Sub)) at (prev + 2, 21) to (start + 0, 27) = ((c26 - c27) - Zero) -- Code(Expression(61, Sub)) at (prev + 4, 13) to (start + 0, 19) - = ((Zero + ((c26 - c27) - Zero)) - c30) +- Code(Expression(47, Sub)) at (prev + 4, 13) to (start + 0, 19) + = ((c26 - c27) - c30) - Code(Counter(31)) at (prev + 3, 9) to (start + 0, 25) -- Code(Expression(59, Sub)) at (prev + 2, 5) to (start + 0, 15) - = ((c29 + ((Zero + ((c26 - c27) - Zero)) - c30)) - c31) -- Code(Expression(58, Sub)) at (prev + 3, 9) to (start + 0, 34) - = (((c29 + ((Zero + ((c26 - c27) - Zero)) - c30)) - c31) - Zero) +- Code(Expression(45, Sub)) at (prev + 2, 5) to (start + 0, 15) + = ((c29 + ((c26 - c27) - c30)) - c31) +- Code(Expression(44, Sub)) at (prev + 3, 9) to (start + 0, 34) + = (((c29 + ((c26 - c27) - c30)) - c31) - Zero) - Code(Zero) at (prev + 2, 5) to (start + 0, 15) - Code(Zero) at (prev + 3, 9) to (start + 0, 44) - Code(Zero) at (prev + 2, 1) to (start + 0, 2) diff --git a/tests/coverage/lazy_boolean.cov-map b/tests/coverage/lazy_boolean.cov-map index 03dbb59d26b5..8dca205d33f2 100644 --- a/tests/coverage/lazy_boolean.cov-map +++ b/tests/coverage/lazy_boolean.cov-map @@ -1,219 +1,49 @@ Function name: lazy_boolean::main -Raw bytes (636): 0x[01, 01, a4, 01, 01, 05, 09, 8a, 05, 8f, 05, 09, 05, 02, 05, 02, 8f, 05, 09, 05, 02, 0d, 82, 05, 87, 05, 0d, 09, 8a, 05, 8f, 05, 09, 05, 02, 09, 8a, 05, 8f, 05, 09, 05, 02, 87, 05, 0d, 09, 8a, 05, 8f, 05, 09, 05, 02, 11, fa, 04, ff, 04, 11, 0d, 82, 05, 87, 05, 0d, 09, 8a, 05, 8f, 05, 09, 05, 02, 0d, 82, 05, 87, 05, 0d, 09, 8a, 05, 8f, 05, 09, 05, 02, 15, f2, 04, f7, 04, 15, 11, fa, 04, ff, 04, 11, 0d, 82, 05, 87, 05, 0d, 09, 8a, 05, 8f, 05, 09, 05, 02, 11, fa, 04, ff, 04, 11, 0d, 82, 05, 87, 05, 0d, 09, 8a, 05, 8f, 05, 09, 05, 02, 15, f2, 04, f7, 04, 15, 11, fa, 04, ff, 04, 11, 0d, 82, 05, 87, 05, 0d, 09, 8a, 05, 8f, 05, 09, 05, 02, ef, 04, 19, 15, f2, 04, f7, 04, 15, 11, fa, 04, ff, 04, 11, 0d, 82, 05, 87, 05, 0d, 09, 8a, 05, 8f, 05, 09, 05, 02, 19, ea, 04, ef, 04, 19, 15, f2, 04, f7, 04, 15, 11, fa, 04, ff, 04, 11, 0d, 82, 05, 87, 05, 0d, 09, 8a, 05, 8f, 05, 09, 05, 02, e7, 04, 1d, 19, ea, 04, ef, 04, 19, 15, f2, 04, f7, 04, 15, 11, fa, 04, ff, 04, 11, 0d, 82, 05, 87, 05, 0d, 09, 8a, 05, 8f, 05, 09, 05, 02, 1d, e2, 04, e7, 04, 1d, 19, ea, 04, ef, 04, 19, 15, f2, 04, f7, 04, 15, 11, fa, 04, ff, 04, 11, 0d, 82, 05, 87, 05, 0d, 09, 8a, 05, 8f, 05, 09, 05, 02, df, 04, 21, 1d, e2, 04, e7, 04, 1d, 19, ea, 04, ef, 04, 19, 15, f2, 04, f7, 04, 15, 11, fa, 04, ff, 04, 11, 0d, 82, 05, 87, 05, 0d, 09, 8a, 05, 8f, 05, 09, 05, 02, 21, da, 04, df, 04, 21, 1d, e2, 04, e7, 04, 1d, 19, ea, 04, ef, 04, 19, 15, f2, 04, f7, 04, 15, 11, fa, 04, ff, 04, 11, 0d, 82, 05, 87, 05, 0d, 09, 8a, 05, 8f, 05, 09, 05, 02, d7, 04, 25, 21, da, 04, df, 04, 21, 1d, e2, 04, e7, 04, 1d, 19, ea, 04, ef, 04, 19, 15, f2, 04, f7, 04, 15, 11, fa, 04, ff, 04, 11, 0d, 82, 05, 87, 05, 0d, 09, 8a, 05, 8f, 05, 09, 05, 02, 25, d2, 04, d7, 04, 25, 21, da, 04, df, 04, 21, 1d, e2, 04, e7, 04, 1d, 19, ea, 04, ef, 04, 19, 15, f2, 04, f7, 04, 15, 11, fa, 04, ff, 04, 11, 0d, 82, 05, 87, 05, 0d, 09, 8a, 05, 8f, 05, 09, 05, 02, 1c, 01, 04, 01, 07, 0f, 05, 07, 10, 04, 06, 02, 04, 06, 00, 07, 87, 05, 02, 09, 00, 11, 8f, 05, 02, 0d, 00, 12, 8a, 05, 02, 0d, 00, 12, ff, 04, 03, 09, 00, 11, 87, 05, 02, 0d, 00, 12, 82, 05, 02, 0d, 00, 12, f7, 04, 02, 09, 00, 11, ff, 04, 00, 14, 00, 19, 11, 00, 1d, 00, 22, ef, 04, 01, 09, 00, 11, f7, 04, 00, 14, 00, 19, 15, 00, 1d, 00, 22, ef, 04, 03, 09, 01, 10, ea, 04, 02, 05, 03, 06, 19, 03, 06, 00, 07, e7, 04, 03, 09, 00, 10, 1d, 01, 05, 03, 06, e2, 04, 05, 05, 03, 06, df, 04, 05, 08, 00, 10, da, 04, 00, 11, 02, 06, 21, 02, 06, 00, 07, d7, 04, 02, 08, 00, 0f, 25, 00, 10, 02, 06, d2, 04, 02, 0c, 02, 06, cf, 04, 03, 01, 00, 02] +Raw bytes (158): 0x[01, 01, 07, 01, 05, 01, 09, 01, 0d, 01, 19, 01, 1d, 01, 21, 01, 25, 1c, 01, 04, 01, 07, 0f, 05, 07, 10, 04, 06, 02, 04, 06, 00, 07, 01, 02, 09, 00, 11, 01, 02, 0d, 00, 12, 06, 02, 0d, 00, 12, 01, 03, 09, 00, 11, 01, 02, 0d, 00, 12, 0a, 02, 0d, 00, 12, 01, 02, 09, 00, 11, 01, 00, 14, 00, 19, 11, 00, 1d, 00, 22, 01, 01, 09, 00, 11, 01, 00, 14, 00, 19, 15, 00, 1d, 00, 22, 01, 03, 09, 01, 10, 0e, 02, 05, 03, 06, 19, 03, 06, 00, 07, 01, 03, 09, 00, 10, 1d, 01, 05, 03, 06, 12, 05, 05, 03, 06, 01, 05, 08, 00, 10, 16, 00, 11, 02, 06, 21, 02, 06, 00, 07, 01, 02, 08, 00, 0f, 25, 00, 10, 02, 06, 1a, 02, 0c, 02, 06, 01, 03, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 164 +Number of expressions: 7 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(2), rhs = Expression(162, Sub) -- expression 2 operands: lhs = Expression(163, Add), rhs = Counter(2) -- expression 3 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 4 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 5 operands: lhs = Expression(163, Add), rhs = Counter(2) -- expression 6 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 7 operands: lhs = Counter(3), rhs = Expression(160, Sub) -- expression 8 operands: lhs = Expression(161, Add), rhs = Counter(3) -- expression 9 operands: lhs = Counter(2), rhs = Expression(162, Sub) -- expression 10 operands: lhs = Expression(163, Add), rhs = Counter(2) -- expression 11 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 12 operands: lhs = Counter(2), rhs = Expression(162, Sub) -- expression 13 operands: lhs = Expression(163, Add), rhs = Counter(2) -- expression 14 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 15 operands: lhs = Expression(161, Add), rhs = Counter(3) -- expression 16 operands: lhs = Counter(2), rhs = Expression(162, Sub) -- expression 17 operands: lhs = Expression(163, Add), rhs = Counter(2) -- expression 18 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 19 operands: lhs = Counter(4), rhs = Expression(158, Sub) -- expression 20 operands: lhs = Expression(159, Add), rhs = Counter(4) -- expression 21 operands: lhs = Counter(3), rhs = Expression(160, Sub) -- expression 22 operands: lhs = Expression(161, Add), rhs = Counter(3) -- expression 23 operands: lhs = Counter(2), rhs = Expression(162, Sub) -- expression 24 operands: lhs = Expression(163, Add), rhs = Counter(2) -- expression 25 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 26 operands: lhs = Counter(3), rhs = Expression(160, Sub) -- expression 27 operands: lhs = Expression(161, Add), rhs = Counter(3) -- expression 28 operands: lhs = Counter(2), rhs = Expression(162, Sub) -- expression 29 operands: lhs = Expression(163, Add), rhs = Counter(2) -- expression 30 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 31 operands: lhs = Counter(5), rhs = Expression(156, Sub) -- expression 32 operands: lhs = Expression(157, Add), rhs = Counter(5) -- expression 33 operands: lhs = Counter(4), rhs = Expression(158, Sub) -- expression 34 operands: lhs = Expression(159, Add), rhs = Counter(4) -- expression 35 operands: lhs = Counter(3), rhs = Expression(160, Sub) -- expression 36 operands: lhs = Expression(161, Add), rhs = Counter(3) -- expression 37 operands: lhs = Counter(2), rhs = Expression(162, Sub) -- expression 38 operands: lhs = Expression(163, Add), rhs = Counter(2) -- expression 39 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 40 operands: lhs = Counter(4), rhs = Expression(158, Sub) -- expression 41 operands: lhs = Expression(159, Add), rhs = Counter(4) -- expression 42 operands: lhs = Counter(3), rhs = Expression(160, Sub) -- expression 43 operands: lhs = Expression(161, Add), rhs = Counter(3) -- expression 44 operands: lhs = Counter(2), rhs = Expression(162, Sub) -- expression 45 operands: lhs = Expression(163, Add), rhs = Counter(2) -- expression 46 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 47 operands: lhs = Counter(5), rhs = Expression(156, Sub) -- expression 48 operands: lhs = Expression(157, Add), rhs = Counter(5) -- expression 49 operands: lhs = Counter(4), rhs = Expression(158, Sub) -- expression 50 operands: lhs = Expression(159, Add), rhs = Counter(4) -- expression 51 operands: lhs = Counter(3), rhs = Expression(160, Sub) -- expression 52 operands: lhs = Expression(161, Add), rhs = Counter(3) -- expression 53 operands: lhs = Counter(2), rhs = Expression(162, Sub) -- expression 54 operands: lhs = Expression(163, Add), rhs = Counter(2) -- expression 55 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 56 operands: lhs = Expression(155, Add), rhs = Counter(6) -- expression 57 operands: lhs = Counter(5), rhs = Expression(156, Sub) -- expression 58 operands: lhs = Expression(157, Add), rhs = Counter(5) -- expression 59 operands: lhs = Counter(4), rhs = Expression(158, Sub) -- expression 60 operands: lhs = Expression(159, Add), rhs = Counter(4) -- expression 61 operands: lhs = Counter(3), rhs = Expression(160, Sub) -- expression 62 operands: lhs = Expression(161, Add), rhs = Counter(3) -- expression 63 operands: lhs = Counter(2), rhs = Expression(162, Sub) -- expression 64 operands: lhs = Expression(163, Add), rhs = Counter(2) -- expression 65 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 66 operands: lhs = Counter(6), rhs = Expression(154, Sub) -- expression 67 operands: lhs = Expression(155, Add), rhs = Counter(6) -- expression 68 operands: lhs = Counter(5), rhs = Expression(156, Sub) -- expression 69 operands: lhs = Expression(157, Add), rhs = Counter(5) -- expression 70 operands: lhs = Counter(4), rhs = Expression(158, Sub) -- expression 71 operands: lhs = Expression(159, Add), rhs = Counter(4) -- expression 72 operands: lhs = Counter(3), rhs = Expression(160, Sub) -- expression 73 operands: lhs = Expression(161, Add), rhs = Counter(3) -- expression 74 operands: lhs = Counter(2), rhs = Expression(162, Sub) -- expression 75 operands: lhs = Expression(163, Add), rhs = Counter(2) -- expression 76 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 77 operands: lhs = Expression(153, Add), rhs = Counter(7) -- expression 78 operands: lhs = Counter(6), rhs = Expression(154, Sub) -- expression 79 operands: lhs = Expression(155, Add), rhs = Counter(6) -- expression 80 operands: lhs = Counter(5), rhs = Expression(156, Sub) -- expression 81 operands: lhs = Expression(157, Add), rhs = Counter(5) -- expression 82 operands: lhs = Counter(4), rhs = Expression(158, Sub) -- expression 83 operands: lhs = Expression(159, Add), rhs = Counter(4) -- expression 84 operands: lhs = Counter(3), rhs = Expression(160, Sub) -- expression 85 operands: lhs = Expression(161, Add), rhs = Counter(3) -- expression 86 operands: lhs = Counter(2), rhs = Expression(162, Sub) -- expression 87 operands: lhs = Expression(163, Add), rhs = Counter(2) -- expression 88 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 89 operands: lhs = Counter(7), rhs = Expression(152, Sub) -- expression 90 operands: lhs = Expression(153, Add), rhs = Counter(7) -- expression 91 operands: lhs = Counter(6), rhs = Expression(154, Sub) -- expression 92 operands: lhs = Expression(155, Add), rhs = Counter(6) -- expression 93 operands: lhs = Counter(5), rhs = Expression(156, Sub) -- expression 94 operands: lhs = Expression(157, Add), rhs = Counter(5) -- expression 95 operands: lhs = Counter(4), rhs = Expression(158, Sub) -- expression 96 operands: lhs = Expression(159, Add), rhs = Counter(4) -- expression 97 operands: lhs = Counter(3), rhs = Expression(160, Sub) -- expression 98 operands: lhs = Expression(161, Add), rhs = Counter(3) -- expression 99 operands: lhs = Counter(2), rhs = Expression(162, Sub) -- expression 100 operands: lhs = Expression(163, Add), rhs = Counter(2) -- expression 101 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 102 operands: lhs = Expression(151, Add), rhs = Counter(8) -- expression 103 operands: lhs = Counter(7), rhs = Expression(152, Sub) -- expression 104 operands: lhs = Expression(153, Add), rhs = Counter(7) -- expression 105 operands: lhs = Counter(6), rhs = Expression(154, Sub) -- expression 106 operands: lhs = Expression(155, Add), rhs = Counter(6) -- expression 107 operands: lhs = Counter(5), rhs = Expression(156, Sub) -- expression 108 operands: lhs = Expression(157, Add), rhs = Counter(5) -- expression 109 operands: lhs = Counter(4), rhs = Expression(158, Sub) -- expression 110 operands: lhs = Expression(159, Add), rhs = Counter(4) -- expression 111 operands: lhs = Counter(3), rhs = Expression(160, Sub) -- expression 112 operands: lhs = Expression(161, Add), rhs = Counter(3) -- expression 113 operands: lhs = Counter(2), rhs = Expression(162, Sub) -- expression 114 operands: lhs = Expression(163, Add), rhs = Counter(2) -- expression 115 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 116 operands: lhs = Counter(8), rhs = Expression(150, Sub) -- expression 117 operands: lhs = Expression(151, Add), rhs = Counter(8) -- expression 118 operands: lhs = Counter(7), rhs = Expression(152, Sub) -- expression 119 operands: lhs = Expression(153, Add), rhs = Counter(7) -- expression 120 operands: lhs = Counter(6), rhs = Expression(154, Sub) -- expression 121 operands: lhs = Expression(155, Add), rhs = Counter(6) -- expression 122 operands: lhs = Counter(5), rhs = Expression(156, Sub) -- expression 123 operands: lhs = Expression(157, Add), rhs = Counter(5) -- expression 124 operands: lhs = Counter(4), rhs = Expression(158, Sub) -- expression 125 operands: lhs = Expression(159, Add), rhs = Counter(4) -- expression 126 operands: lhs = Counter(3), rhs = Expression(160, Sub) -- expression 127 operands: lhs = Expression(161, Add), rhs = Counter(3) -- expression 128 operands: lhs = Counter(2), rhs = Expression(162, Sub) -- expression 129 operands: lhs = Expression(163, Add), rhs = Counter(2) -- expression 130 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 131 operands: lhs = Expression(149, Add), rhs = Counter(9) -- expression 132 operands: lhs = Counter(8), rhs = Expression(150, Sub) -- expression 133 operands: lhs = Expression(151, Add), rhs = Counter(8) -- expression 134 operands: lhs = Counter(7), rhs = Expression(152, Sub) -- expression 135 operands: lhs = Expression(153, Add), rhs = Counter(7) -- expression 136 operands: lhs = Counter(6), rhs = Expression(154, Sub) -- expression 137 operands: lhs = Expression(155, Add), rhs = Counter(6) -- expression 138 operands: lhs = Counter(5), rhs = Expression(156, Sub) -- expression 139 operands: lhs = Expression(157, Add), rhs = Counter(5) -- expression 140 operands: lhs = Counter(4), rhs = Expression(158, Sub) -- expression 141 operands: lhs = Expression(159, Add), rhs = Counter(4) -- expression 142 operands: lhs = Counter(3), rhs = Expression(160, Sub) -- expression 143 operands: lhs = Expression(161, Add), rhs = Counter(3) -- expression 144 operands: lhs = Counter(2), rhs = Expression(162, Sub) -- expression 145 operands: lhs = Expression(163, Add), rhs = Counter(2) -- expression 146 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 147 operands: lhs = Counter(9), rhs = Expression(148, Sub) -- expression 148 operands: lhs = Expression(149, Add), rhs = Counter(9) -- expression 149 operands: lhs = Counter(8), rhs = Expression(150, Sub) -- expression 150 operands: lhs = Expression(151, Add), rhs = Counter(8) -- expression 151 operands: lhs = Counter(7), rhs = Expression(152, Sub) -- expression 152 operands: lhs = Expression(153, Add), rhs = Counter(7) -- expression 153 operands: lhs = Counter(6), rhs = Expression(154, Sub) -- expression 154 operands: lhs = Expression(155, Add), rhs = Counter(6) -- expression 155 operands: lhs = Counter(5), rhs = Expression(156, Sub) -- expression 156 operands: lhs = Expression(157, Add), rhs = Counter(5) -- expression 157 operands: lhs = Counter(4), rhs = Expression(158, Sub) -- expression 158 operands: lhs = Expression(159, Add), rhs = Counter(4) -- expression 159 operands: lhs = Counter(3), rhs = Expression(160, Sub) -- expression 160 operands: lhs = Expression(161, Add), rhs = Counter(3) -- expression 161 operands: lhs = Counter(2), rhs = Expression(162, Sub) -- expression 162 operands: lhs = Expression(163, Add), rhs = Counter(2) -- expression 163 operands: lhs = Counter(1), rhs = Expression(0, Sub) +- expression 1 operands: lhs = Counter(0), rhs = Counter(2) +- expression 2 operands: lhs = Counter(0), rhs = Counter(3) +- expression 3 operands: lhs = Counter(0), rhs = Counter(6) +- expression 4 operands: lhs = Counter(0), rhs = Counter(7) +- expression 5 operands: lhs = Counter(0), rhs = Counter(8) +- expression 6 operands: lhs = Counter(0), rhs = Counter(9) Number of file 0 mappings: 28 - Code(Counter(0)) at (prev + 4, 1) to (start + 7, 15) - Code(Counter(1)) at (prev + 7, 16) to (start + 4, 6) - Code(Expression(0, Sub)) at (prev + 4, 6) to (start + 0, 7) = (c0 - c1) -- Code(Expression(161, Add)) at (prev + 2, 9) to (start + 0, 17) - = (c2 + ((c1 + (c0 - c1)) - c2)) -- Code(Expression(163, Add)) at (prev + 2, 13) to (start + 0, 18) - = (c1 + (c0 - c1)) -- Code(Expression(162, Sub)) at (prev + 2, 13) to (start + 0, 18) - = ((c1 + (c0 - c1)) - c2) -- Code(Expression(159, Add)) at (prev + 3, 9) to (start + 0, 17) - = (c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) -- Code(Expression(161, Add)) at (prev + 2, 13) to (start + 0, 18) - = (c2 + ((c1 + (c0 - c1)) - c2)) -- Code(Expression(160, Sub)) at (prev + 2, 13) to (start + 0, 18) - = ((c2 + ((c1 + (c0 - c1)) - c2)) - c3) -- Code(Expression(157, Add)) at (prev + 2, 9) to (start + 0, 17) - = (c4 + ((c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) - c4)) -- Code(Expression(159, Add)) at (prev + 0, 20) to (start + 0, 25) - = (c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) +- Code(Counter(0)) at (prev + 2, 9) to (start + 0, 17) +- Code(Counter(0)) at (prev + 2, 13) to (start + 0, 18) +- Code(Expression(1, Sub)) at (prev + 2, 13) to (start + 0, 18) + = (c0 - c2) +- Code(Counter(0)) at (prev + 3, 9) to (start + 0, 17) +- Code(Counter(0)) at (prev + 2, 13) to (start + 0, 18) +- Code(Expression(2, Sub)) at (prev + 2, 13) to (start + 0, 18) + = (c0 - c3) +- Code(Counter(0)) at (prev + 2, 9) to (start + 0, 17) +- Code(Counter(0)) at (prev + 0, 20) to (start + 0, 25) - Code(Counter(4)) at (prev + 0, 29) to (start + 0, 34) -- Code(Expression(155, Add)) at (prev + 1, 9) to (start + 0, 17) - = (c5 + ((c4 + ((c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) - c4)) - c5)) -- Code(Expression(157, Add)) at (prev + 0, 20) to (start + 0, 25) - = (c4 + ((c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) - c4)) +- Code(Counter(0)) at (prev + 1, 9) to (start + 0, 17) +- Code(Counter(0)) at (prev + 0, 20) to (start + 0, 25) - Code(Counter(5)) at (prev + 0, 29) to (start + 0, 34) -- Code(Expression(155, Add)) at (prev + 3, 9) to (start + 1, 16) - = (c5 + ((c4 + ((c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) - c4)) - c5)) -- Code(Expression(154, Sub)) at (prev + 2, 5) to (start + 3, 6) - = ((c5 + ((c4 + ((c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) - c4)) - c5)) - c6) +- Code(Counter(0)) at (prev + 3, 9) to (start + 1, 16) +- Code(Expression(3, Sub)) at (prev + 2, 5) to (start + 3, 6) + = (c0 - c6) - Code(Counter(6)) at (prev + 3, 6) to (start + 0, 7) -- Code(Expression(153, Add)) at (prev + 3, 9) to (start + 0, 16) - = (c6 + ((c5 + ((c4 + ((c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) - c4)) - c5)) - c6)) +- Code(Counter(0)) at (prev + 3, 9) to (start + 0, 16) - Code(Counter(7)) at (prev + 1, 5) to (start + 3, 6) -- Code(Expression(152, Sub)) at (prev + 5, 5) to (start + 3, 6) - = ((c6 + ((c5 + ((c4 + ((c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) - c4)) - c5)) - c6)) - c7) -- Code(Expression(151, Add)) at (prev + 5, 8) to (start + 0, 16) - = (c7 + ((c6 + ((c5 + ((c4 + ((c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) - c4)) - c5)) - c6)) - c7)) -- Code(Expression(150, Sub)) at (prev + 0, 17) to (start + 2, 6) - = ((c7 + ((c6 + ((c5 + ((c4 + ((c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) - c4)) - c5)) - c6)) - c7)) - c8) +- Code(Expression(4, Sub)) at (prev + 5, 5) to (start + 3, 6) + = (c0 - c7) +- Code(Counter(0)) at (prev + 5, 8) to (start + 0, 16) +- Code(Expression(5, Sub)) at (prev + 0, 17) to (start + 2, 6) + = (c0 - c8) - Code(Counter(8)) at (prev + 2, 6) to (start + 0, 7) -- Code(Expression(149, Add)) at (prev + 2, 8) to (start + 0, 15) - = (c8 + ((c7 + ((c6 + ((c5 + ((c4 + ((c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) - c4)) - c5)) - c6)) - c7)) - c8)) +- Code(Counter(0)) at (prev + 2, 8) to (start + 0, 15) - Code(Counter(9)) at (prev + 0, 16) to (start + 2, 6) -- Code(Expression(148, Sub)) at (prev + 2, 12) to (start + 2, 6) - = ((c8 + ((c7 + ((c6 + ((c5 + ((c4 + ((c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) - c4)) - c5)) - c6)) - c7)) - c8)) - c9) -- Code(Expression(147, Add)) at (prev + 3, 1) to (start + 0, 2) - = (c9 + ((c8 + ((c7 + ((c6 + ((c5 + ((c4 + ((c3 + ((c2 + ((c1 + (c0 - c1)) - c2)) - c3)) - c4)) - c5)) - c6)) - c7)) - c8)) - c9)) +- Code(Expression(6, Sub)) at (prev + 2, 12) to (start + 2, 6) + = (c0 - c9) +- Code(Counter(0)) at (prev + 3, 1) to (start + 0, 2) diff --git a/tests/coverage/loops_branches.cov-map b/tests/coverage/loops_branches.cov-map index 8dc35321133b..9187dcbd8651 100644 --- a/tests/coverage/loops_branches.cov-map +++ b/tests/coverage/loops_branches.cov-map @@ -1,57 +1,50 @@ Function name: ::fmt -Raw bytes (249): 0x[01, 01, 31, 05, 00, 00, 02, bb, 01, 19, bf, 01, c3, 01, 0d, 00, 11, 00, bf, 01, c3, 01, 0d, 00, 11, 00, bb, 01, 19, bf, 01, c3, 01, 0d, 00, 11, 00, b6, 01, 00, bb, 01, 19, bf, 01, c3, 01, 0d, 00, 11, 00, b2, 01, 00, b6, 01, 00, bb, 01, 19, bf, 01, c3, 01, 0d, 00, 11, 00, 00, ae, 01, b2, 01, 00, b6, 01, 00, bb, 01, 19, bf, 01, c3, 01, 0d, 00, 11, 00, ab, 01, 11, 00, ae, 01, b2, 01, 00, b6, 01, 00, bb, 01, 19, bf, 01, c3, 01, 0d, 00, 11, 00, a3, 01, 19, 25, a6, 01, ab, 01, 11, 00, ae, 01, b2, 01, 00, b6, 01, 00, bb, 01, 19, bf, 01, c3, 01, 0d, 00, 11, 00, 14, 01, 09, 05, 01, 10, 05, 02, 10, 00, 15, 00, 01, 17, 00, 1b, 00, 00, 1c, 00, 1e, 02, 01, 0e, 00, 0f, 07, 01, 0d, 00, 1e, 25, 00, 1e, 00, 1f, 00, 01, 10, 01, 0a, b6, 01, 03, 0d, 00, 0e, bb, 01, 00, 12, 00, 17, b6, 01, 01, 10, 00, 14, b2, 01, 01, 14, 00, 19, 00, 01, 1b, 00, 1f, 00, 00, 20, 00, 22, ae, 01, 01, 12, 00, 13, ab, 01, 01, 11, 00, 22, a6, 01, 00, 22, 00, 23, 00, 01, 14, 01, 0e, 19, 03, 09, 00, 0f, 9f, 01, 01, 05, 00, 06] +Raw bytes (228): 0x[01, 01, 2a, 05, 00, 9f, 01, 19, a3, 01, a7, 01, 0d, 00, 11, 00, a3, 01, a7, 01, 0d, 00, 11, 00, 9f, 01, 19, a3, 01, a7, 01, 0d, 00, 11, 00, 9a, 01, 00, 9f, 01, 19, a3, 01, a7, 01, 0d, 00, 11, 00, 96, 01, 00, 9a, 01, 00, 9f, 01, 19, a3, 01, a7, 01, 0d, 00, 11, 00, 9a, 01, 00, 9f, 01, 19, a3, 01, a7, 01, 0d, 00, 11, 00, 96, 01, 11, 9a, 01, 00, 9f, 01, 19, a3, 01, a7, 01, 0d, 00, 11, 00, 8f, 01, 19, 25, 92, 01, 96, 01, 11, 9a, 01, 00, 9f, 01, 19, a3, 01, a7, 01, 0d, 00, 11, 00, 14, 01, 09, 05, 01, 10, 05, 02, 10, 00, 15, 00, 01, 17, 00, 1b, 00, 00, 1c, 00, 1e, 02, 01, 0e, 00, 0f, 05, 01, 0d, 00, 1e, 25, 00, 1e, 00, 1f, 00, 01, 10, 01, 0a, 9a, 01, 03, 0d, 00, 0e, 9f, 01, 00, 12, 00, 17, 9a, 01, 01, 10, 00, 14, 96, 01, 01, 14, 00, 19, 00, 01, 1b, 00, 1f, 00, 00, 20, 00, 22, 46, 01, 12, 00, 13, 96, 01, 01, 11, 00, 22, 92, 01, 00, 22, 00, 23, 00, 01, 14, 01, 0e, 19, 03, 09, 00, 0f, 8b, 01, 01, 05, 00, 06] Number of files: 1 - file 0 => global file 1 -Number of expressions: 49 +Number of expressions: 42 - expression 0 operands: lhs = Counter(1), rhs = Zero -- expression 1 operands: lhs = Zero, rhs = Expression(0, Sub) -- expression 2 operands: lhs = Expression(46, Add), rhs = Counter(6) -- expression 3 operands: lhs = Expression(47, Add), rhs = Expression(48, Add) -- expression 4 operands: lhs = Counter(3), rhs = Zero -- expression 5 operands: lhs = Counter(4), rhs = Zero -- expression 6 operands: lhs = Expression(47, Add), rhs = Expression(48, Add) -- expression 7 operands: lhs = Counter(3), rhs = Zero -- expression 8 operands: lhs = Counter(4), rhs = Zero -- expression 9 operands: lhs = Expression(46, Add), rhs = Counter(6) -- expression 10 operands: lhs = Expression(47, Add), rhs = Expression(48, Add) -- expression 11 operands: lhs = Counter(3), rhs = Zero -- expression 12 operands: lhs = Counter(4), rhs = Zero -- expression 13 operands: lhs = Expression(45, Sub), rhs = Zero -- expression 14 operands: lhs = Expression(46, Add), rhs = Counter(6) -- expression 15 operands: lhs = Expression(47, Add), rhs = Expression(48, Add) -- expression 16 operands: lhs = Counter(3), rhs = Zero -- expression 17 operands: lhs = Counter(4), rhs = Zero -- expression 18 operands: lhs = Expression(44, Sub), rhs = Zero -- expression 19 operands: lhs = Expression(45, Sub), rhs = Zero -- expression 20 operands: lhs = Expression(46, Add), rhs = Counter(6) -- expression 21 operands: lhs = Expression(47, Add), rhs = Expression(48, Add) -- expression 22 operands: lhs = Counter(3), rhs = Zero -- expression 23 operands: lhs = Counter(4), rhs = Zero -- expression 24 operands: lhs = Zero, rhs = Expression(43, Sub) -- expression 25 operands: lhs = Expression(44, Sub), rhs = Zero -- expression 26 operands: lhs = Expression(45, Sub), rhs = Zero -- expression 27 operands: lhs = Expression(46, Add), rhs = Counter(6) -- expression 28 operands: lhs = Expression(47, Add), rhs = Expression(48, Add) -- expression 29 operands: lhs = Counter(3), rhs = Zero -- expression 30 operands: lhs = Counter(4), rhs = Zero -- expression 31 operands: lhs = Expression(42, Add), rhs = Counter(4) -- expression 32 operands: lhs = Zero, rhs = Expression(43, Sub) -- expression 33 operands: lhs = Expression(44, Sub), rhs = Zero -- expression 34 operands: lhs = Expression(45, Sub), rhs = Zero -- expression 35 operands: lhs = Expression(46, Add), rhs = Counter(6) -- expression 36 operands: lhs = Expression(47, Add), rhs = Expression(48, Add) -- expression 37 operands: lhs = Counter(3), rhs = Zero -- expression 38 operands: lhs = Counter(4), rhs = Zero -- expression 39 operands: lhs = Expression(40, Add), rhs = Counter(6) -- expression 40 operands: lhs = Counter(9), rhs = Expression(41, Sub) -- expression 41 operands: lhs = Expression(42, Add), rhs = Counter(4) -- expression 42 operands: lhs = Zero, rhs = Expression(43, Sub) -- expression 43 operands: lhs = Expression(44, Sub), rhs = Zero -- expression 44 operands: lhs = Expression(45, Sub), rhs = Zero -- expression 45 operands: lhs = Expression(46, Add), rhs = Counter(6) -- expression 46 operands: lhs = Expression(47, Add), rhs = Expression(48, Add) -- expression 47 operands: lhs = Counter(3), rhs = Zero -- expression 48 operands: lhs = Counter(4), rhs = Zero +- expression 1 operands: lhs = Expression(39, Add), rhs = Counter(6) +- expression 2 operands: lhs = Expression(40, Add), rhs = Expression(41, Add) +- expression 3 operands: lhs = Counter(3), rhs = Zero +- expression 4 operands: lhs = Counter(4), rhs = Zero +- expression 5 operands: lhs = Expression(40, Add), rhs = Expression(41, Add) +- expression 6 operands: lhs = Counter(3), rhs = Zero +- expression 7 operands: lhs = Counter(4), rhs = Zero +- expression 8 operands: lhs = Expression(39, Add), rhs = Counter(6) +- expression 9 operands: lhs = Expression(40, Add), rhs = Expression(41, Add) +- expression 10 operands: lhs = Counter(3), rhs = Zero +- expression 11 operands: lhs = Counter(4), rhs = Zero +- expression 12 operands: lhs = Expression(38, Sub), rhs = Zero +- expression 13 operands: lhs = Expression(39, Add), rhs = Counter(6) +- expression 14 operands: lhs = Expression(40, Add), rhs = Expression(41, Add) +- expression 15 operands: lhs = Counter(3), rhs = Zero +- expression 16 operands: lhs = Counter(4), rhs = Zero +- expression 17 operands: lhs = Expression(37, Sub), rhs = Zero +- expression 18 operands: lhs = Expression(38, Sub), rhs = Zero +- expression 19 operands: lhs = Expression(39, Add), rhs = Counter(6) +- expression 20 operands: lhs = Expression(40, Add), rhs = Expression(41, Add) +- expression 21 operands: lhs = Counter(3), rhs = Zero +- expression 22 operands: lhs = Counter(4), rhs = Zero +- expression 23 operands: lhs = Expression(38, Sub), rhs = Zero +- expression 24 operands: lhs = Expression(39, Add), rhs = Counter(6) +- expression 25 operands: lhs = Expression(40, Add), rhs = Expression(41, Add) +- expression 26 operands: lhs = Counter(3), rhs = Zero +- expression 27 operands: lhs = Counter(4), rhs = Zero +- expression 28 operands: lhs = Expression(37, Sub), rhs = Counter(4) +- expression 29 operands: lhs = Expression(38, Sub), rhs = Zero +- expression 30 operands: lhs = Expression(39, Add), rhs = Counter(6) +- expression 31 operands: lhs = Expression(40, Add), rhs = Expression(41, Add) +- expression 32 operands: lhs = Counter(3), rhs = Zero +- expression 33 operands: lhs = Counter(4), rhs = Zero +- expression 34 operands: lhs = Expression(35, Add), rhs = Counter(6) +- expression 35 operands: lhs = Counter(9), rhs = Expression(36, Sub) +- expression 36 operands: lhs = Expression(37, Sub), rhs = Counter(4) +- expression 37 operands: lhs = Expression(38, Sub), rhs = Zero +- expression 38 operands: lhs = Expression(39, Add), rhs = Counter(6) +- expression 39 operands: lhs = Expression(40, Add), rhs = Expression(41, Add) +- expression 40 operands: lhs = Counter(3), rhs = Zero +- expression 41 operands: lhs = Counter(4), rhs = Zero Number of file 0 mappings: 20 - Code(Counter(0)) at (prev + 9, 5) to (start + 1, 16) - Code(Counter(1)) at (prev + 2, 16) to (start + 0, 21) @@ -59,87 +52,78 @@ Number of file 0 mappings: 20 - Code(Zero) at (prev + 0, 28) to (start + 0, 30) - Code(Expression(0, Sub)) at (prev + 1, 14) to (start + 0, 15) = (c1 - Zero) -- Code(Expression(1, Add)) at (prev + 1, 13) to (start + 0, 30) - = (Zero + (c1 - Zero)) +- Code(Counter(1)) at (prev + 1, 13) to (start + 0, 30) - Code(Counter(9)) at (prev + 0, 30) to (start + 0, 31) - Code(Zero) at (prev + 1, 16) to (start + 1, 10) -- Code(Expression(45, Sub)) at (prev + 3, 13) to (start + 0, 14) +- Code(Expression(38, Sub)) at (prev + 3, 13) to (start + 0, 14) = (((c3 + Zero) + (c4 + Zero)) - c6) -- Code(Expression(46, Add)) at (prev + 0, 18) to (start + 0, 23) +- Code(Expression(39, Add)) at (prev + 0, 18) to (start + 0, 23) = ((c3 + Zero) + (c4 + Zero)) -- Code(Expression(45, Sub)) at (prev + 1, 16) to (start + 0, 20) +- Code(Expression(38, Sub)) at (prev + 1, 16) to (start + 0, 20) = (((c3 + Zero) + (c4 + Zero)) - c6) -- Code(Expression(44, Sub)) at (prev + 1, 20) to (start + 0, 25) +- Code(Expression(37, Sub)) at (prev + 1, 20) to (start + 0, 25) = ((((c3 + Zero) + (c4 + Zero)) - c6) - Zero) - Code(Zero) at (prev + 1, 27) to (start + 0, 31) - Code(Zero) at (prev + 0, 32) to (start + 0, 34) -- Code(Expression(43, Sub)) at (prev + 1, 18) to (start + 0, 19) +- Code(Expression(17, Sub)) at (prev + 1, 18) to (start + 0, 19) = (((((c3 + Zero) + (c4 + Zero)) - c6) - Zero) - Zero) -- Code(Expression(42, Add)) at (prev + 1, 17) to (start + 0, 34) - = (Zero + (((((c3 + Zero) + (c4 + Zero)) - c6) - Zero) - Zero)) -- Code(Expression(41, Sub)) at (prev + 0, 34) to (start + 0, 35) - = ((Zero + (((((c3 + Zero) + (c4 + Zero)) - c6) - Zero) - Zero)) - c4) +- Code(Expression(37, Sub)) at (prev + 1, 17) to (start + 0, 34) + = ((((c3 + Zero) + (c4 + Zero)) - c6) - Zero) +- Code(Expression(36, Sub)) at (prev + 0, 34) to (start + 0, 35) + = (((((c3 + Zero) + (c4 + Zero)) - c6) - Zero) - c4) - Code(Zero) at (prev + 1, 20) to (start + 1, 14) - Code(Counter(6)) at (prev + 3, 9) to (start + 0, 15) -- Code(Expression(39, Add)) at (prev + 1, 5) to (start + 0, 6) - = ((c9 + ((Zero + (((((c3 + Zero) + (c4 + Zero)) - c6) - Zero) - Zero)) - c4)) + c6) +- Code(Expression(34, Add)) at (prev + 1, 5) to (start + 0, 6) + = ((c9 + (((((c3 + Zero) + (c4 + Zero)) - c6) - Zero) - c4)) + c6) Function name: ::fmt -Raw bytes (253): 0x[01, 01, 33, 01, 00, 02, 00, 00, 0e, 02, 00, c3, 01, 19, c7, 01, cb, 01, 00, 0d, 00, 15, c7, 01, cb, 01, 00, 0d, 00, 15, c3, 01, 19, c7, 01, cb, 01, 00, 0d, 00, 15, be, 01, 00, c3, 01, 19, c7, 01, cb, 01, 00, 0d, 00, 15, ba, 01, 00, be, 01, 00, c3, 01, 19, c7, 01, cb, 01, 00, 0d, 00, 15, 00, b6, 01, ba, 01, 00, be, 01, 00, c3, 01, 19, c7, 01, cb, 01, 00, 0d, 00, 15, b3, 01, 15, 00, b6, 01, ba, 01, 00, be, 01, 00, c3, 01, 19, c7, 01, cb, 01, 00, 0d, 00, 15, ab, 01, 25, ae, 01, 19, b3, 01, 15, 00, b6, 01, ba, 01, 00, be, 01, 00, c3, 01, 19, c7, 01, cb, 01, 00, 0d, 00, 15, 14, 01, 22, 05, 01, 11, 00, 01, 12, 01, 0a, 02, 02, 10, 00, 15, 00, 01, 17, 00, 1b, 00, 00, 1c, 00, 1e, 0e, 01, 0e, 00, 0f, 0b, 01, 0d, 00, 1e, 25, 00, 1e, 00, 1f, be, 01, 02, 0d, 00, 0e, c3, 01, 00, 12, 00, 17, be, 01, 01, 10, 00, 15, 00, 00, 16, 01, 0e, ba, 01, 02, 14, 00, 19, 00, 01, 1b, 00, 1f, 00, 00, 20, 00, 22, b6, 01, 01, 12, 00, 13, b3, 01, 01, 11, 00, 22, ae, 01, 00, 22, 00, 23, 19, 03, 09, 00, 0f, a7, 01, 01, 05, 00, 06] +Raw bytes (230): 0x[01, 01, 2b, 01, 00, 02, 00, a3, 01, 19, a7, 01, ab, 01, 00, 0d, 00, 15, a7, 01, ab, 01, 00, 0d, 00, 15, a3, 01, 19, a7, 01, ab, 01, 00, 0d, 00, 15, 9e, 01, 00, a3, 01, 19, a7, 01, ab, 01, 00, 0d, 00, 15, 9a, 01, 00, 9e, 01, 00, a3, 01, 19, a7, 01, ab, 01, 00, 0d, 00, 15, 9e, 01, 00, a3, 01, 19, a7, 01, ab, 01, 00, 0d, 00, 15, 9a, 01, 15, 9e, 01, 00, a3, 01, 19, a7, 01, ab, 01, 00, 0d, 00, 15, 93, 01, 25, 96, 01, 19, 9a, 01, 15, 9e, 01, 00, a3, 01, 19, a7, 01, ab, 01, 00, 0d, 00, 15, 14, 01, 22, 05, 01, 11, 00, 01, 12, 01, 0a, 02, 02, 10, 00, 15, 00, 01, 17, 00, 1b, 00, 00, 1c, 00, 1e, 06, 01, 0e, 00, 0f, 02, 01, 0d, 00, 1e, 25, 00, 1e, 00, 1f, 9e, 01, 02, 0d, 00, 0e, a3, 01, 00, 12, 00, 17, 9e, 01, 01, 10, 00, 15, 00, 00, 16, 01, 0e, 9a, 01, 02, 14, 00, 19, 00, 01, 1b, 00, 1f, 00, 00, 20, 00, 22, 4a, 01, 12, 00, 13, 9a, 01, 01, 11, 00, 22, 96, 01, 00, 22, 00, 23, 19, 03, 09, 00, 0f, 8f, 01, 01, 05, 00, 06] Number of files: 1 - file 0 => global file 1 -Number of expressions: 51 +Number of expressions: 43 - expression 0 operands: lhs = Counter(0), rhs = Zero - expression 1 operands: lhs = Expression(0, Sub), rhs = Zero -- expression 2 operands: lhs = Zero, rhs = Expression(3, Sub) -- expression 3 operands: lhs = Expression(0, Sub), rhs = Zero -- expression 4 operands: lhs = Expression(48, Add), rhs = Counter(6) -- expression 5 operands: lhs = Expression(49, Add), rhs = Expression(50, Add) -- expression 6 operands: lhs = Zero, rhs = Counter(3) -- expression 7 operands: lhs = Zero, rhs = Counter(5) -- expression 8 operands: lhs = Expression(49, Add), rhs = Expression(50, Add) -- expression 9 operands: lhs = Zero, rhs = Counter(3) -- expression 10 operands: lhs = Zero, rhs = Counter(5) -- expression 11 operands: lhs = Expression(48, Add), rhs = Counter(6) -- expression 12 operands: lhs = Expression(49, Add), rhs = Expression(50, Add) -- expression 13 operands: lhs = Zero, rhs = Counter(3) -- expression 14 operands: lhs = Zero, rhs = Counter(5) -- expression 15 operands: lhs = Expression(47, Sub), rhs = Zero -- expression 16 operands: lhs = Expression(48, Add), rhs = Counter(6) -- expression 17 operands: lhs = Expression(49, Add), rhs = Expression(50, Add) -- expression 18 operands: lhs = Zero, rhs = Counter(3) -- expression 19 operands: lhs = Zero, rhs = Counter(5) -- expression 20 operands: lhs = Expression(46, Sub), rhs = Zero -- expression 21 operands: lhs = Expression(47, Sub), rhs = Zero -- expression 22 operands: lhs = Expression(48, Add), rhs = Counter(6) -- expression 23 operands: lhs = Expression(49, Add), rhs = Expression(50, Add) -- expression 24 operands: lhs = Zero, rhs = Counter(3) -- expression 25 operands: lhs = Zero, rhs = Counter(5) -- expression 26 operands: lhs = Zero, rhs = Expression(45, Sub) -- expression 27 operands: lhs = Expression(46, Sub), rhs = Zero -- expression 28 operands: lhs = Expression(47, Sub), rhs = Zero -- expression 29 operands: lhs = Expression(48, Add), rhs = Counter(6) -- expression 30 operands: lhs = Expression(49, Add), rhs = Expression(50, Add) -- expression 31 operands: lhs = Zero, rhs = Counter(3) -- expression 32 operands: lhs = Zero, rhs = Counter(5) -- expression 33 operands: lhs = Expression(44, Add), rhs = Counter(5) -- expression 34 operands: lhs = Zero, rhs = Expression(45, Sub) -- expression 35 operands: lhs = Expression(46, Sub), rhs = Zero -- expression 36 operands: lhs = Expression(47, Sub), rhs = Zero -- expression 37 operands: lhs = Expression(48, Add), rhs = Counter(6) -- expression 38 operands: lhs = Expression(49, Add), rhs = Expression(50, Add) -- expression 39 operands: lhs = Zero, rhs = Counter(3) -- expression 40 operands: lhs = Zero, rhs = Counter(5) -- expression 41 operands: lhs = Expression(42, Add), rhs = Counter(9) -- expression 42 operands: lhs = Expression(43, Sub), rhs = Counter(6) -- expression 43 operands: lhs = Expression(44, Add), rhs = Counter(5) -- expression 44 operands: lhs = Zero, rhs = Expression(45, Sub) -- expression 45 operands: lhs = Expression(46, Sub), rhs = Zero -- expression 46 operands: lhs = Expression(47, Sub), rhs = Zero -- expression 47 operands: lhs = Expression(48, Add), rhs = Counter(6) -- expression 48 operands: lhs = Expression(49, Add), rhs = Expression(50, Add) -- expression 49 operands: lhs = Zero, rhs = Counter(3) -- expression 50 operands: lhs = Zero, rhs = Counter(5) +- expression 2 operands: lhs = Expression(40, Add), rhs = Counter(6) +- expression 3 operands: lhs = Expression(41, Add), rhs = Expression(42, Add) +- expression 4 operands: lhs = Zero, rhs = Counter(3) +- expression 5 operands: lhs = Zero, rhs = Counter(5) +- expression 6 operands: lhs = Expression(41, Add), rhs = Expression(42, Add) +- expression 7 operands: lhs = Zero, rhs = Counter(3) +- expression 8 operands: lhs = Zero, rhs = Counter(5) +- expression 9 operands: lhs = Expression(40, Add), rhs = Counter(6) +- expression 10 operands: lhs = Expression(41, Add), rhs = Expression(42, Add) +- expression 11 operands: lhs = Zero, rhs = Counter(3) +- expression 12 operands: lhs = Zero, rhs = Counter(5) +- expression 13 operands: lhs = Expression(39, Sub), rhs = Zero +- expression 14 operands: lhs = Expression(40, Add), rhs = Counter(6) +- expression 15 operands: lhs = Expression(41, Add), rhs = Expression(42, Add) +- expression 16 operands: lhs = Zero, rhs = Counter(3) +- expression 17 operands: lhs = Zero, rhs = Counter(5) +- expression 18 operands: lhs = Expression(38, Sub), rhs = Zero +- expression 19 operands: lhs = Expression(39, Sub), rhs = Zero +- expression 20 operands: lhs = Expression(40, Add), rhs = Counter(6) +- expression 21 operands: lhs = Expression(41, Add), rhs = Expression(42, Add) +- expression 22 operands: lhs = Zero, rhs = Counter(3) +- expression 23 operands: lhs = Zero, rhs = Counter(5) +- expression 24 operands: lhs = Expression(39, Sub), rhs = Zero +- expression 25 operands: lhs = Expression(40, Add), rhs = Counter(6) +- expression 26 operands: lhs = Expression(41, Add), rhs = Expression(42, Add) +- expression 27 operands: lhs = Zero, rhs = Counter(3) +- expression 28 operands: lhs = Zero, rhs = Counter(5) +- expression 29 operands: lhs = Expression(38, Sub), rhs = Counter(5) +- expression 30 operands: lhs = Expression(39, Sub), rhs = Zero +- expression 31 operands: lhs = Expression(40, Add), rhs = Counter(6) +- expression 32 operands: lhs = Expression(41, Add), rhs = Expression(42, Add) +- expression 33 operands: lhs = Zero, rhs = Counter(3) +- expression 34 operands: lhs = Zero, rhs = Counter(5) +- expression 35 operands: lhs = Expression(36, Add), rhs = Counter(9) +- expression 36 operands: lhs = Expression(37, Sub), rhs = Counter(6) +- expression 37 operands: lhs = Expression(38, Sub), rhs = Counter(5) +- expression 38 operands: lhs = Expression(39, Sub), rhs = Zero +- expression 39 operands: lhs = Expression(40, Add), rhs = Counter(6) +- expression 40 operands: lhs = Expression(41, Add), rhs = Expression(42, Add) +- expression 41 operands: lhs = Zero, rhs = Counter(3) +- expression 42 operands: lhs = Zero, rhs = Counter(5) Number of file 0 mappings: 20 - Code(Counter(0)) at (prev + 34, 5) to (start + 1, 17) - Code(Zero) at (prev + 1, 18) to (start + 1, 10) @@ -147,31 +131,31 @@ Number of file 0 mappings: 20 = (c0 - Zero) - Code(Zero) at (prev + 1, 23) to (start + 0, 27) - Code(Zero) at (prev + 0, 28) to (start + 0, 30) -- Code(Expression(3, Sub)) at (prev + 1, 14) to (start + 0, 15) +- Code(Expression(1, Sub)) at (prev + 1, 14) to (start + 0, 15) = ((c0 - Zero) - Zero) -- Code(Expression(2, Add)) at (prev + 1, 13) to (start + 0, 30) - = (Zero + ((c0 - Zero) - Zero)) +- Code(Expression(0, Sub)) at (prev + 1, 13) to (start + 0, 30) + = (c0 - Zero) - Code(Counter(9)) at (prev + 0, 30) to (start + 0, 31) -- Code(Expression(47, Sub)) at (prev + 2, 13) to (start + 0, 14) +- Code(Expression(39, Sub)) at (prev + 2, 13) to (start + 0, 14) = (((Zero + c3) + (Zero + c5)) - c6) -- Code(Expression(48, Add)) at (prev + 0, 18) to (start + 0, 23) +- Code(Expression(40, Add)) at (prev + 0, 18) to (start + 0, 23) = ((Zero + c3) + (Zero + c5)) -- Code(Expression(47, Sub)) at (prev + 1, 16) to (start + 0, 21) +- Code(Expression(39, Sub)) at (prev + 1, 16) to (start + 0, 21) = (((Zero + c3) + (Zero + c5)) - c6) - Code(Zero) at (prev + 0, 22) to (start + 1, 14) -- Code(Expression(46, Sub)) at (prev + 2, 20) to (start + 0, 25) +- Code(Expression(38, Sub)) at (prev + 2, 20) to (start + 0, 25) = ((((Zero + c3) + (Zero + c5)) - c6) - Zero) - Code(Zero) at (prev + 1, 27) to (start + 0, 31) - Code(Zero) at (prev + 0, 32) to (start + 0, 34) -- Code(Expression(45, Sub)) at (prev + 1, 18) to (start + 0, 19) +- Code(Expression(18, Sub)) at (prev + 1, 18) to (start + 0, 19) = (((((Zero + c3) + (Zero + c5)) - c6) - Zero) - Zero) -- Code(Expression(44, Add)) at (prev + 1, 17) to (start + 0, 34) - = (Zero + (((((Zero + c3) + (Zero + c5)) - c6) - Zero) - Zero)) -- Code(Expression(43, Sub)) at (prev + 0, 34) to (start + 0, 35) - = ((Zero + (((((Zero + c3) + (Zero + c5)) - c6) - Zero) - Zero)) - c5) +- Code(Expression(38, Sub)) at (prev + 1, 17) to (start + 0, 34) + = ((((Zero + c3) + (Zero + c5)) - c6) - Zero) +- Code(Expression(37, Sub)) at (prev + 0, 34) to (start + 0, 35) + = (((((Zero + c3) + (Zero + c5)) - c6) - Zero) - c5) - Code(Counter(6)) at (prev + 3, 9) to (start + 0, 15) -- Code(Expression(41, Add)) at (prev + 1, 5) to (start + 0, 6) - = ((((Zero + (((((Zero + c3) + (Zero + c5)) - c6) - Zero) - Zero)) - c5) + c6) + c9) +- Code(Expression(35, Add)) at (prev + 1, 5) to (start + 0, 6) + = (((((((Zero + c3) + (Zero + c5)) - c6) - Zero) - c5) + c6) + c9) Function name: loops_branches::main Raw bytes (9): 0x[01, 01, 00, 01, 01, 37, 01, 05, 02] diff --git a/tests/coverage/match_or_pattern.cov-map b/tests/coverage/match_or_pattern.cov-map index d63407a99c35..60b7024533d2 100644 --- a/tests/coverage/match_or_pattern.cov-map +++ b/tests/coverage/match_or_pattern.cov-map @@ -1,83 +1,75 @@ Function name: match_or_pattern::main -Raw bytes (202): 0x[01, 01, 23, 01, 05, 05, 02, 09, 0d, 2f, 11, 09, 0d, 2b, 15, 2f, 11, 09, 0d, 15, 26, 2b, 15, 2f, 11, 09, 0d, 19, 1d, 57, 21, 19, 1d, 53, 25, 57, 21, 19, 1d, 25, 4e, 53, 25, 57, 21, 19, 1d, 29, 2d, 7f, 31, 29, 2d, 7b, 35, 7f, 31, 29, 2d, 35, 76, 7b, 35, 7f, 31, 29, 2d, 39, 3d, 8b, 01, 41, 39, 3d, 19, 01, 01, 01, 08, 0f, 05, 08, 10, 03, 06, 02, 03, 06, 00, 07, 07, 01, 0b, 00, 11, 11, 03, 1b, 00, 1d, 2f, 01, 0e, 00, 10, 2b, 02, 08, 00, 0f, 15, 00, 10, 03, 06, 26, 03, 06, 00, 07, 23, 01, 0b, 00, 11, 21, 01, 1b, 00, 1d, 57, 01, 0e, 00, 10, 53, 02, 08, 00, 0f, 25, 00, 10, 03, 06, 4e, 03, 06, 00, 07, 4b, 01, 0b, 00, 11, 31, 01, 1b, 00, 1d, 7f, 01, 0e, 00, 10, 7b, 02, 08, 00, 0f, 35, 00, 10, 03, 06, 76, 03, 06, 00, 07, 73, 01, 0b, 00, 11, 41, 01, 1b, 00, 1d, 8b, 01, 01, 0e, 00, 10, 87, 01, 02, 01, 00, 02] +Raw bytes (185): 0x[01, 01, 1c, 01, 05, 09, 0d, 23, 11, 09, 0d, 1f, 15, 23, 11, 09, 0d, 23, 11, 09, 0d, 19, 1d, 43, 21, 19, 1d, 3f, 25, 43, 21, 19, 1d, 43, 21, 19, 1d, 29, 2d, 63, 31, 29, 2d, 5f, 35, 63, 31, 29, 2d, 63, 31, 29, 2d, 39, 3d, 6f, 41, 39, 3d, 19, 01, 01, 01, 08, 0f, 05, 08, 10, 03, 06, 02, 03, 06, 00, 07, 01, 01, 0b, 00, 11, 11, 03, 1b, 00, 1d, 23, 01, 0e, 00, 10, 1f, 02, 08, 00, 0f, 15, 00, 10, 03, 06, 12, 03, 06, 00, 07, 1f, 01, 0b, 00, 11, 21, 01, 1b, 00, 1d, 43, 01, 0e, 00, 10, 3f, 02, 08, 00, 0f, 25, 00, 10, 03, 06, 32, 03, 06, 00, 07, 3f, 01, 0b, 00, 11, 31, 01, 1b, 00, 1d, 63, 01, 0e, 00, 10, 5f, 02, 08, 00, 0f, 35, 00, 10, 03, 06, 52, 03, 06, 00, 07, 5f, 01, 0b, 00, 11, 41, 01, 1b, 00, 1d, 6f, 01, 0e, 00, 10, 6b, 02, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 35 +Number of expressions: 28 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 2 operands: lhs = Counter(2), rhs = Counter(3) -- expression 3 operands: lhs = Expression(11, Add), rhs = Counter(4) -- expression 4 operands: lhs = Counter(2), rhs = Counter(3) -- expression 5 operands: lhs = Expression(10, Add), rhs = Counter(5) -- expression 6 operands: lhs = Expression(11, Add), rhs = Counter(4) -- expression 7 operands: lhs = Counter(2), rhs = Counter(3) -- expression 8 operands: lhs = Counter(5), rhs = Expression(9, Sub) -- expression 9 operands: lhs = Expression(10, Add), rhs = Counter(5) -- expression 10 operands: lhs = Expression(11, Add), rhs = Counter(4) -- expression 11 operands: lhs = Counter(2), rhs = Counter(3) -- expression 12 operands: lhs = Counter(6), rhs = Counter(7) -- expression 13 operands: lhs = Expression(21, Add), rhs = Counter(8) +- expression 1 operands: lhs = Counter(2), rhs = Counter(3) +- expression 2 operands: lhs = Expression(8, Add), rhs = Counter(4) +- expression 3 operands: lhs = Counter(2), rhs = Counter(3) +- expression 4 operands: lhs = Expression(7, Add), rhs = Counter(5) +- expression 5 operands: lhs = Expression(8, Add), rhs = Counter(4) +- expression 6 operands: lhs = Counter(2), rhs = Counter(3) +- expression 7 operands: lhs = Expression(8, Add), rhs = Counter(4) +- expression 8 operands: lhs = Counter(2), rhs = Counter(3) +- expression 9 operands: lhs = Counter(6), rhs = Counter(7) +- expression 10 operands: lhs = Expression(16, Add), rhs = Counter(8) +- expression 11 operands: lhs = Counter(6), rhs = Counter(7) +- expression 12 operands: lhs = Expression(15, Add), rhs = Counter(9) +- expression 13 operands: lhs = Expression(16, Add), rhs = Counter(8) - expression 14 operands: lhs = Counter(6), rhs = Counter(7) -- expression 15 operands: lhs = Expression(20, Add), rhs = Counter(9) -- expression 16 operands: lhs = Expression(21, Add), rhs = Counter(8) -- expression 17 operands: lhs = Counter(6), rhs = Counter(7) -- expression 18 operands: lhs = Counter(9), rhs = Expression(19, Sub) -- expression 19 operands: lhs = Expression(20, Add), rhs = Counter(9) -- expression 20 operands: lhs = Expression(21, Add), rhs = Counter(8) -- expression 21 operands: lhs = Counter(6), rhs = Counter(7) +- expression 15 operands: lhs = Expression(16, Add), rhs = Counter(8) +- expression 16 operands: lhs = Counter(6), rhs = Counter(7) +- expression 17 operands: lhs = Counter(10), rhs = Counter(11) +- expression 18 operands: lhs = Expression(24, Add), rhs = Counter(12) +- expression 19 operands: lhs = Counter(10), rhs = Counter(11) +- expression 20 operands: lhs = Expression(23, Add), rhs = Counter(13) +- expression 21 operands: lhs = Expression(24, Add), rhs = Counter(12) - expression 22 operands: lhs = Counter(10), rhs = Counter(11) -- expression 23 operands: lhs = Expression(31, Add), rhs = Counter(12) +- expression 23 operands: lhs = Expression(24, Add), rhs = Counter(12) - expression 24 operands: lhs = Counter(10), rhs = Counter(11) -- expression 25 operands: lhs = Expression(30, Add), rhs = Counter(13) -- expression 26 operands: lhs = Expression(31, Add), rhs = Counter(12) -- expression 27 operands: lhs = Counter(10), rhs = Counter(11) -- expression 28 operands: lhs = Counter(13), rhs = Expression(29, Sub) -- expression 29 operands: lhs = Expression(30, Add), rhs = Counter(13) -- expression 30 operands: lhs = Expression(31, Add), rhs = Counter(12) -- expression 31 operands: lhs = Counter(10), rhs = Counter(11) -- expression 32 operands: lhs = Counter(14), rhs = Counter(15) -- expression 33 operands: lhs = Expression(34, Add), rhs = Counter(16) -- expression 34 operands: lhs = Counter(14), rhs = Counter(15) +- expression 25 operands: lhs = Counter(14), rhs = Counter(15) +- expression 26 operands: lhs = Expression(27, Add), rhs = Counter(16) +- expression 27 operands: lhs = Counter(14), rhs = Counter(15) Number of file 0 mappings: 25 - Code(Counter(0)) at (prev + 1, 1) to (start + 8, 15) - Code(Counter(1)) at (prev + 8, 16) to (start + 3, 6) - Code(Expression(0, Sub)) at (prev + 3, 6) to (start + 0, 7) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 1, 11) to (start + 0, 17) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 1, 11) to (start + 0, 17) - Code(Counter(4)) at (prev + 3, 27) to (start + 0, 29) -- Code(Expression(11, Add)) at (prev + 1, 14) to (start + 0, 16) +- Code(Expression(8, Add)) at (prev + 1, 14) to (start + 0, 16) = (c2 + c3) -- Code(Expression(10, Add)) at (prev + 2, 8) to (start + 0, 15) +- Code(Expression(7, Add)) at (prev + 2, 8) to (start + 0, 15) = ((c2 + c3) + c4) - Code(Counter(5)) at (prev + 0, 16) to (start + 3, 6) -- Code(Expression(9, Sub)) at (prev + 3, 6) to (start + 0, 7) +- Code(Expression(4, Sub)) at (prev + 3, 6) to (start + 0, 7) = (((c2 + c3) + c4) - c5) -- Code(Expression(8, Add)) at (prev + 1, 11) to (start + 0, 17) - = (c5 + (((c2 + c3) + c4) - c5)) +- Code(Expression(7, Add)) at (prev + 1, 11) to (start + 0, 17) + = ((c2 + c3) + c4) - Code(Counter(8)) at (prev + 1, 27) to (start + 0, 29) -- Code(Expression(21, Add)) at (prev + 1, 14) to (start + 0, 16) +- Code(Expression(16, Add)) at (prev + 1, 14) to (start + 0, 16) = (c6 + c7) -- Code(Expression(20, Add)) at (prev + 2, 8) to (start + 0, 15) +- Code(Expression(15, Add)) at (prev + 2, 8) to (start + 0, 15) = ((c6 + c7) + c8) - Code(Counter(9)) at (prev + 0, 16) to (start + 3, 6) -- Code(Expression(19, Sub)) at (prev + 3, 6) to (start + 0, 7) +- Code(Expression(12, Sub)) at (prev + 3, 6) to (start + 0, 7) = (((c6 + c7) + c8) - c9) -- Code(Expression(18, Add)) at (prev + 1, 11) to (start + 0, 17) - = (c9 + (((c6 + c7) + c8) - c9)) +- Code(Expression(15, Add)) at (prev + 1, 11) to (start + 0, 17) + = ((c6 + c7) + c8) - Code(Counter(12)) at (prev + 1, 27) to (start + 0, 29) -- Code(Expression(31, Add)) at (prev + 1, 14) to (start + 0, 16) +- Code(Expression(24, Add)) at (prev + 1, 14) to (start + 0, 16) = (c10 + c11) -- Code(Expression(30, Add)) at (prev + 2, 8) to (start + 0, 15) +- Code(Expression(23, Add)) at (prev + 2, 8) to (start + 0, 15) = ((c10 + c11) + c12) - Code(Counter(13)) at (prev + 0, 16) to (start + 3, 6) -- Code(Expression(29, Sub)) at (prev + 3, 6) to (start + 0, 7) +- Code(Expression(20, Sub)) at (prev + 3, 6) to (start + 0, 7) = (((c10 + c11) + c12) - c13) -- Code(Expression(28, Add)) at (prev + 1, 11) to (start + 0, 17) - = (c13 + (((c10 + c11) + c12) - c13)) +- Code(Expression(23, Add)) at (prev + 1, 11) to (start + 0, 17) + = ((c10 + c11) + c12) - Code(Counter(16)) at (prev + 1, 27) to (start + 0, 29) -- Code(Expression(34, Add)) at (prev + 1, 14) to (start + 0, 16) +- Code(Expression(27, Add)) at (prev + 1, 14) to (start + 0, 16) = (c14 + c15) -- Code(Expression(33, Add)) at (prev + 2, 1) to (start + 0, 2) +- Code(Expression(26, Add)) at (prev + 2, 1) to (start + 0, 2) = ((c14 + c15) + c16) diff --git a/tests/coverage/no_cov_crate.cov-map b/tests/coverage/no_cov_crate.cov-map index 05b6448bbd24..e623f6480b90 100644 --- a/tests/coverage/no_cov_crate.cov-map +++ b/tests/coverage/no_cov_crate.cov-map @@ -47,32 +47,28 @@ Number of file 0 mappings: 1 - Code(Counter(0)) at (prev + 63, 5) to (start + 11, 6) Function name: no_cov_crate::nested_fns::outer_both_covered::inner -Raw bytes (28): 0x[01, 01, 02, 01, 05, 05, 02, 04, 01, 43, 09, 01, 17, 05, 01, 18, 02, 0e, 02, 02, 14, 02, 0e, 07, 03, 09, 00, 0a] +Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 43, 09, 01, 17, 05, 01, 18, 02, 0e, 02, 02, 14, 02, 0e, 01, 03, 09, 00, 0a] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 67, 9) to (start + 1, 23) - Code(Counter(1)) at (prev + 1, 24) to (start + 2, 14) - Code(Expression(0, Sub)) at (prev + 2, 20) to (start + 2, 14) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 3, 9) to (start + 0, 10) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 3, 9) to (start + 0, 10) Function name: no_cov_crate::nested_fns::outer_not_covered::inner -Raw bytes (28): 0x[01, 01, 02, 01, 05, 05, 02, 04, 01, 26, 09, 01, 17, 05, 01, 18, 02, 0e, 02, 02, 14, 02, 0e, 07, 03, 09, 00, 0a] +Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 26, 09, 01, 17, 05, 01, 18, 02, 0e, 02, 02, 14, 02, 0e, 01, 03, 09, 00, 0a] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 38, 9) to (start + 1, 23) - Code(Counter(1)) at (prev + 1, 24) to (start + 2, 14) - Code(Expression(0, Sub)) at (prev + 2, 20) to (start + 2, 14) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 3, 9) to (start + 0, 10) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 3, 9) to (start + 0, 10) diff --git a/tests/coverage/overflow.cov-map b/tests/coverage/overflow.cov-map index 39a5c05f879a..cb31f3d1f3e4 100644 --- a/tests/coverage/overflow.cov-map +++ b/tests/coverage/overflow.cov-map @@ -27,17 +27,15 @@ Number of file 0 mappings: 9 - Code(Counter(4)) at (prev + 2, 5) to (start + 1, 2) Function name: overflow::might_overflow -Raw bytes (28): 0x[01, 01, 02, 01, 05, 05, 02, 04, 01, 05, 01, 01, 12, 05, 01, 13, 02, 06, 02, 02, 06, 00, 07, 07, 01, 09, 05, 02] +Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 05, 01, 01, 12, 05, 01, 13, 02, 06, 02, 02, 06, 00, 07, 01, 01, 09, 05, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 5, 1) to (start + 1, 18) - Code(Counter(1)) at (prev + 1, 19) to (start + 2, 6) - Code(Expression(0, Sub)) at (prev + 2, 6) to (start + 0, 7) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 1, 9) to (start + 5, 2) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 1, 9) to (start + 5, 2) diff --git a/tests/coverage/simple_loop.cov-map b/tests/coverage/simple_loop.cov-map index 0a342cb3673a..541f7bf8fbdc 100644 --- a/tests/coverage/simple_loop.cov-map +++ b/tests/coverage/simple_loop.cov-map @@ -1,27 +1,18 @@ Function name: simple_loop::main -Raw bytes (57): 0x[01, 01, 09, 01, 05, 23, 09, 05, 02, 1f, 09, 23, 09, 05, 02, 1f, 09, 23, 09, 05, 02, 07, 01, 04, 01, 09, 10, 05, 0a, 05, 05, 06, 02, 05, 06, 00, 07, 1f, 05, 0d, 02, 0e, 1a, 04, 0d, 00, 12, 09, 02, 0a, 03, 0a, 1a, 06, 01, 00, 02] +Raw bytes (43): 0x[01, 01, 02, 01, 05, 01, 09, 07, 01, 04, 01, 09, 10, 05, 0a, 05, 05, 06, 02, 05, 06, 00, 07, 07, 05, 0d, 02, 0e, 01, 04, 0d, 00, 12, 09, 02, 0a, 03, 0a, 01, 06, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 9 +Number of expressions: 2 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Expression(8, Add), rhs = Counter(2) -- expression 2 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 3 operands: lhs = Expression(7, Add), rhs = Counter(2) -- expression 4 operands: lhs = Expression(8, Add), rhs = Counter(2) -- expression 5 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 6 operands: lhs = Expression(7, Add), rhs = Counter(2) -- expression 7 operands: lhs = Expression(8, Add), rhs = Counter(2) -- expression 8 operands: lhs = Counter(1), rhs = Expression(0, Sub) +- expression 1 operands: lhs = Counter(0), rhs = Counter(2) Number of file 0 mappings: 7 - Code(Counter(0)) at (prev + 4, 1) to (start + 9, 16) - Code(Counter(1)) at (prev + 10, 5) to (start + 5, 6) - Code(Expression(0, Sub)) at (prev + 5, 6) to (start + 0, 7) = (c0 - c1) -- Code(Expression(7, Add)) at (prev + 5, 13) to (start + 2, 14) - = ((c1 + (c0 - c1)) + c2) -- Code(Expression(6, Sub)) at (prev + 4, 13) to (start + 0, 18) - = (((c1 + (c0 - c1)) + c2) - c2) +- Code(Expression(1, Add)) at (prev + 5, 13) to (start + 2, 14) + = (c0 + c2) +- Code(Counter(0)) at (prev + 4, 13) to (start + 0, 18) - Code(Counter(2)) at (prev + 2, 10) to (start + 3, 10) -- Code(Expression(6, Sub)) at (prev + 6, 1) to (start + 0, 2) - = (((c1 + (c0 - c1)) + c2) - c2) +- Code(Counter(0)) at (prev + 6, 1) to (start + 0, 2) diff --git a/tests/coverage/simple_match.cov-map b/tests/coverage/simple_match.cov-map index 7c242e2c328d..49819b23482f 100644 --- a/tests/coverage/simple_match.cov-map +++ b/tests/coverage/simple_match.cov-map @@ -1,32 +1,29 @@ Function name: simple_match::main -Raw bytes (78): 0x[01, 01, 0c, 01, 05, 2b, 2f, 05, 02, 09, 0d, 27, 11, 2b, 2f, 05, 02, 09, 0d, 27, 11, 2b, 2f, 05, 02, 09, 0d, 0a, 01, 04, 01, 07, 0f, 05, 07, 10, 02, 06, 02, 02, 06, 00, 07, 27, 05, 09, 00, 0d, 22, 05, 0d, 00, 16, 09, 02, 0d, 00, 0e, 22, 02, 11, 02, 12, 09, 04, 0d, 07, 0e, 0d, 0a, 0d, 00, 0f, 11, 03, 01, 00, 02] +Raw bytes (72): 0x[01, 01, 09, 01, 05, 01, 23, 09, 0d, 1f, 11, 01, 23, 09, 0d, 1f, 11, 01, 23, 09, 0d, 0a, 01, 04, 01, 07, 0f, 05, 07, 10, 02, 06, 02, 02, 06, 00, 07, 1f, 05, 09, 00, 0d, 1a, 05, 0d, 00, 16, 09, 02, 0d, 00, 0e, 1a, 02, 11, 02, 12, 09, 04, 0d, 07, 0e, 0d, 0a, 0d, 00, 0f, 11, 03, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 12 +Number of expressions: 9 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Expression(10, Add), rhs = Expression(11, Add) -- expression 2 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 3 operands: lhs = Counter(2), rhs = Counter(3) -- expression 4 operands: lhs = Expression(9, Add), rhs = Counter(4) -- expression 5 operands: lhs = Expression(10, Add), rhs = Expression(11, Add) -- expression 6 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 7 operands: lhs = Counter(2), rhs = Counter(3) -- expression 8 operands: lhs = Expression(9, Add), rhs = Counter(4) -- expression 9 operands: lhs = Expression(10, Add), rhs = Expression(11, Add) -- expression 10 operands: lhs = Counter(1), rhs = Expression(0, Sub) -- expression 11 operands: lhs = Counter(2), rhs = Counter(3) +- expression 1 operands: lhs = Counter(0), rhs = Expression(8, Add) +- expression 2 operands: lhs = Counter(2), rhs = Counter(3) +- expression 3 operands: lhs = Expression(7, Add), rhs = Counter(4) +- expression 4 operands: lhs = Counter(0), rhs = Expression(8, Add) +- expression 5 operands: lhs = Counter(2), rhs = Counter(3) +- expression 6 operands: lhs = Expression(7, Add), rhs = Counter(4) +- expression 7 operands: lhs = Counter(0), rhs = Expression(8, Add) +- expression 8 operands: lhs = Counter(2), rhs = Counter(3) Number of file 0 mappings: 10 - Code(Counter(0)) at (prev + 4, 1) to (start + 7, 15) - Code(Counter(1)) at (prev + 7, 16) to (start + 2, 6) - Code(Expression(0, Sub)) at (prev + 2, 6) to (start + 0, 7) = (c0 - c1) -- Code(Expression(9, Add)) at (prev + 5, 9) to (start + 0, 13) - = ((c1 + (c0 - c1)) + (c2 + c3)) -- Code(Expression(8, Sub)) at (prev + 5, 13) to (start + 0, 22) - = (((c1 + (c0 - c1)) + (c2 + c3)) - c4) +- Code(Expression(7, Add)) at (prev + 5, 9) to (start + 0, 13) + = (c0 + (c2 + c3)) +- Code(Expression(6, Sub)) at (prev + 5, 13) to (start + 0, 22) + = ((c0 + (c2 + c3)) - c4) - Code(Counter(2)) at (prev + 2, 13) to (start + 0, 14) -- Code(Expression(8, Sub)) at (prev + 2, 17) to (start + 2, 18) - = (((c1 + (c0 - c1)) + (c2 + c3)) - c4) +- Code(Expression(6, Sub)) at (prev + 2, 17) to (start + 2, 18) + = ((c0 + (c2 + c3)) - c4) - Code(Counter(2)) at (prev + 4, 13) to (start + 7, 14) - Code(Counter(3)) at (prev + 10, 13) to (start + 0, 15) - Code(Counter(4)) at (prev + 3, 1) to (start + 0, 2) diff --git a/tests/coverage/sort_groups.cov-map b/tests/coverage/sort_groups.cov-map index 3cbda6fbe1ab..361b70fb74f7 100644 --- a/tests/coverage/sort_groups.cov-map +++ b/tests/coverage/sort_groups.cov-map @@ -1,77 +1,67 @@ Function name: sort_groups::generic_fn::<&str> -Raw bytes (28): 0x[01, 01, 02, 01, 05, 05, 02, 04, 01, 11, 01, 01, 0c, 05, 01, 0d, 02, 06, 02, 02, 06, 00, 07, 07, 01, 01, 00, 02] +Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 11, 01, 01, 0c, 05, 01, 0d, 02, 06, 02, 02, 06, 00, 07, 01, 01, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 17, 1) to (start + 1, 12) - Code(Counter(1)) at (prev + 1, 13) to (start + 2, 6) - Code(Expression(0, Sub)) at (prev + 2, 6) to (start + 0, 7) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 1, 1) to (start + 0, 2) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 1, 1) to (start + 0, 2) Function name: sort_groups::generic_fn::<()> -Raw bytes (28): 0x[01, 01, 02, 01, 05, 05, 02, 04, 01, 11, 01, 01, 0c, 05, 01, 0d, 02, 06, 02, 02, 06, 00, 07, 07, 01, 01, 00, 02] +Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 11, 01, 01, 0c, 05, 01, 0d, 02, 06, 02, 02, 06, 00, 07, 01, 01, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 17, 1) to (start + 1, 12) - Code(Counter(1)) at (prev + 1, 13) to (start + 2, 6) - Code(Expression(0, Sub)) at (prev + 2, 6) to (start + 0, 7) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 1, 1) to (start + 0, 2) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 1, 1) to (start + 0, 2) Function name: sort_groups::generic_fn:: -Raw bytes (28): 0x[01, 01, 02, 01, 05, 05, 02, 04, 01, 11, 01, 01, 0c, 05, 01, 0d, 02, 06, 02, 02, 06, 00, 07, 07, 01, 01, 00, 02] +Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 11, 01, 01, 0c, 05, 01, 0d, 02, 06, 02, 02, 06, 00, 07, 01, 01, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 17, 1) to (start + 1, 12) - Code(Counter(1)) at (prev + 1, 13) to (start + 2, 6) - Code(Expression(0, Sub)) at (prev + 2, 6) to (start + 0, 7) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 1, 1) to (start + 0, 2) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 1, 1) to (start + 0, 2) Function name: sort_groups::generic_fn:: -Raw bytes (28): 0x[01, 01, 02, 01, 05, 05, 02, 04, 01, 11, 01, 01, 0c, 05, 01, 0d, 02, 06, 02, 02, 06, 00, 07, 07, 01, 01, 00, 02] +Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 11, 01, 01, 0c, 05, 01, 0d, 02, 06, 02, 02, 06, 00, 07, 01, 01, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 17, 1) to (start + 1, 12) - Code(Counter(1)) at (prev + 1, 13) to (start + 2, 6) - Code(Expression(0, Sub)) at (prev + 2, 6) to (start + 0, 7) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 1, 1) to (start + 0, 2) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 1, 1) to (start + 0, 2) Function name: sort_groups::main -Raw bytes (28): 0x[01, 01, 02, 01, 05, 05, 02, 04, 01, 06, 01, 04, 23, 05, 04, 24, 02, 06, 02, 02, 06, 00, 07, 07, 01, 05, 02, 02] +Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 06, 01, 04, 23, 05, 04, 24, 02, 06, 02, 02, 06, 00, 07, 01, 01, 05, 02, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 6, 1) to (start + 4, 35) - Code(Counter(1)) at (prev + 4, 36) to (start + 2, 6) - Code(Expression(0, Sub)) at (prev + 2, 6) to (start + 0, 7) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 1, 5) to (start + 2, 2) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 1, 5) to (start + 2, 2) Function name: sort_groups::other_fn Raw bytes (9): 0x[01, 01, 00, 01, 01, 17, 01, 00, 11] diff --git a/tests/coverage/try_error_result.cov-map b/tests/coverage/try_error_result.cov-map index 83f1869a31e6..49e6c7ceefca 100644 --- a/tests/coverage/try_error_result.cov-map +++ b/tests/coverage/try_error_result.cov-map @@ -1,62 +1,54 @@ Function name: ::get_thing_2 -Raw bytes (28): 0x[01, 01, 02, 01, 05, 05, 02, 04, 01, 29, 05, 01, 18, 05, 02, 0d, 00, 14, 02, 02, 0d, 00, 1a, 07, 02, 05, 00, 06] +Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 29, 05, 01, 18, 05, 02, 0d, 00, 14, 02, 02, 0d, 00, 1a, 01, 02, 05, 00, 06] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 41, 5) to (start + 1, 24) - Code(Counter(1)) at (prev + 2, 13) to (start + 0, 20) - Code(Expression(0, Sub)) at (prev + 2, 13) to (start + 0, 26) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 2, 5) to (start + 0, 6) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 2, 5) to (start + 0, 6) Function name: ::call -Raw bytes (28): 0x[01, 01, 02, 01, 05, 05, 02, 04, 01, 34, 05, 01, 18, 05, 02, 0d, 00, 14, 02, 02, 0d, 00, 13, 07, 02, 05, 00, 06] +Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 34, 05, 01, 18, 05, 02, 0d, 00, 14, 02, 02, 0d, 00, 13, 01, 02, 05, 00, 06] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 52, 5) to (start + 1, 24) - Code(Counter(1)) at (prev + 2, 13) to (start + 0, 20) - Code(Expression(0, Sub)) at (prev + 2, 13) to (start + 0, 19) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 2, 5) to (start + 0, 6) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 2, 5) to (start + 0, 6) Function name: try_error_result::call -Raw bytes (28): 0x[01, 01, 02, 01, 05, 05, 02, 04, 01, 04, 01, 01, 14, 05, 02, 09, 00, 10, 02, 02, 09, 00, 0f, 07, 02, 01, 00, 02] +Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 04, 01, 01, 14, 05, 02, 09, 00, 10, 02, 02, 09, 00, 0f, 01, 02, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 4, 1) to (start + 1, 20) - Code(Counter(1)) at (prev + 2, 9) to (start + 0, 16) - Code(Expression(0, Sub)) at (prev + 2, 9) to (start + 0, 15) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 2, 1) to (start + 0, 2) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 2, 1) to (start + 0, 2) Function name: try_error_result::main -Raw bytes (28): 0x[01, 01, 02, 01, 05, 05, 02, 04, 01, 73, 01, 02, 0c, 05, 03, 05, 00, 06, 02, 02, 05, 00, 0b, 07, 01, 01, 00, 02] +Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 73, 01, 02, 0c, 05, 03, 05, 00, 06, 02, 02, 05, 00, 0b, 01, 01, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 115, 1) to (start + 2, 12) - Code(Counter(1)) at (prev + 3, 5) to (start + 0, 6) - Code(Expression(0, Sub)) at (prev + 2, 5) to (start + 0, 11) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 1, 1) to (start + 0, 2) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 1, 1) to (start + 0, 2) Function name: try_error_result::test1 Raw bytes (75): 0x[01, 01, 08, 01, 07, 00, 09, 03, 0d, 12, 1d, 03, 0d, 1b, 0d, 1f, 00, 11, 00, 0b, 01, 0d, 01, 02, 17, 03, 07, 09, 00, 0e, 12, 02, 09, 04, 1a, 1d, 06, 0d, 00, 29, 11, 00, 29, 00, 2a, 00, 01, 0d, 00, 2a, 00, 00, 2a, 00, 2b, 0e, 04, 0d, 00, 2a, 00, 00, 2a, 00, 2b, 0d, 03, 05, 00, 0b, 17, 01, 01, 00, 02] diff --git a/tests/coverage/unicode.cov-map b/tests/coverage/unicode.cov-map index aedfb2071c14..06a2c930498b 100644 --- a/tests/coverage/unicode.cov-map +++ b/tests/coverage/unicode.cov-map @@ -1,31 +1,27 @@ Function name: unicode::main -Raw bytes (67): 0x[01, 01, 09, 01, 05, 03, 05, 1e, 0d, 22, 09, 03, 05, 11, 1b, 1e, 0d, 22, 09, 03, 05, 09, 01, 0e, 01, 00, 0b, 05, 01, 09, 00, 0c, 03, 00, 10, 00, 1b, 05, 00, 1c, 00, 28, 22, 02, 08, 00, 25, 09, 00, 29, 00, 46, 11, 00, 47, 02, 06, 1b, 02, 06, 00, 07, 17, 02, 05, 01, 02] +Raw bytes (61): 0x[01, 01, 06, 01, 05, 16, 0d, 01, 09, 11, 13, 16, 0d, 01, 09, 09, 01, 0e, 01, 00, 0b, 05, 01, 09, 00, 0c, 03, 00, 10, 00, 1b, 05, 00, 1c, 00, 28, 01, 02, 08, 00, 25, 09, 00, 29, 00, 46, 11, 00, 47, 02, 06, 13, 02, 06, 00, 07, 0f, 02, 05, 01, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 9 +Number of expressions: 6 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Expression(0, Add), rhs = Counter(1) -- expression 2 operands: lhs = Expression(7, Sub), rhs = Counter(3) -- expression 3 operands: lhs = Expression(8, Sub), rhs = Counter(2) -- expression 4 operands: lhs = Expression(0, Add), rhs = Counter(1) -- expression 5 operands: lhs = Counter(4), rhs = Expression(6, Add) -- expression 6 operands: lhs = Expression(7, Sub), rhs = Counter(3) -- expression 7 operands: lhs = Expression(8, Sub), rhs = Counter(2) -- expression 8 operands: lhs = Expression(0, Add), rhs = Counter(1) +- expression 1 operands: lhs = Expression(5, Sub), rhs = Counter(3) +- expression 2 operands: lhs = Counter(0), rhs = Counter(2) +- expression 3 operands: lhs = Counter(4), rhs = Expression(4, Add) +- expression 4 operands: lhs = Expression(5, Sub), rhs = Counter(3) +- expression 5 operands: lhs = Counter(0), rhs = Counter(2) Number of file 0 mappings: 9 - Code(Counter(0)) at (prev + 14, 1) to (start + 0, 11) - Code(Counter(1)) at (prev + 1, 9) to (start + 0, 12) - Code(Expression(0, Add)) at (prev + 0, 16) to (start + 0, 27) = (c0 + c1) - Code(Counter(1)) at (prev + 0, 28) to (start + 0, 40) -- Code(Expression(8, Sub)) at (prev + 2, 8) to (start + 0, 37) - = ((c0 + c1) - c1) +- Code(Counter(0)) at (prev + 2, 8) to (start + 0, 37) - Code(Counter(2)) at (prev + 0, 41) to (start + 0, 70) - Code(Counter(4)) at (prev + 0, 71) to (start + 2, 6) -- Code(Expression(6, Add)) at (prev + 2, 6) to (start + 0, 7) - = ((((c0 + c1) - c1) - c2) + c3) -- Code(Expression(5, Add)) at (prev + 2, 5) to (start + 1, 2) - = (c4 + ((((c0 + c1) - c1) - c2) + c3)) +- Code(Expression(4, Add)) at (prev + 2, 6) to (start + 0, 7) + = ((c0 - c2) + c3) +- Code(Expression(3, Add)) at (prev + 2, 5) to (start + 1, 2) + = (c4 + ((c0 - c2) + c3)) Function name: unicode::他 (unused) Raw bytes (9): 0x[01, 01, 00, 01, 00, 1e, 19, 00, 25] diff --git a/tests/coverage/uses_inline_crate.cov-map b/tests/coverage/uses_inline_crate.cov-map index 6b621825c886..55ceb46b0602 100644 --- a/tests/coverage/uses_inline_crate.cov-map +++ b/tests/coverage/uses_inline_crate.cov-map @@ -7,19 +7,17 @@ Number of file 0 mappings: 1 - Code(Counter(0)) at (prev + 44, 1) to (start + 2, 2) Function name: used_inline_crate::used_inline_function -Raw bytes (28): 0x[01, 01, 02, 01, 05, 05, 02, 04, 01, 14, 01, 06, 0f, 05, 06, 10, 02, 06, 02, 02, 06, 00, 07, 07, 01, 05, 01, 02] +Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 14, 01, 06, 0f, 05, 06, 10, 02, 06, 02, 02, 06, 00, 07, 01, 01, 05, 01, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -- expression 1 operands: lhs = Counter(1), rhs = Expression(0, Sub) Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 20, 1) to (start + 6, 15) - Code(Counter(1)) at (prev + 6, 16) to (start + 2, 6) - Code(Expression(0, Sub)) at (prev + 2, 6) to (start + 0, 7) = (c0 - c1) -- Code(Expression(1, Add)) at (prev + 1, 5) to (start + 1, 2) - = (c1 + (c0 - c1)) +- Code(Counter(0)) at (prev + 1, 5) to (start + 1, 2) Function name: used_inline_crate::used_only_from_bin_crate_generic_function::<&alloc::vec::Vec> Raw bytes (9): 0x[01, 01, 00, 01, 01, 21, 01, 02, 02] diff --git a/tests/coverage/while.cov-map b/tests/coverage/while.cov-map index c6557b48e27d..4d813a935a05 100644 --- a/tests/coverage/while.cov-map +++ b/tests/coverage/while.cov-map @@ -1,15 +1,13 @@ Function name: while::main -Raw bytes (28): 0x[01, 01, 02, 01, 00, 03, 00, 04, 01, 01, 01, 01, 10, 03, 02, 0b, 00, 14, 00, 00, 15, 02, 06, 06, 03, 01, 00, 02] +Raw bytes (26): 0x[01, 01, 01, 01, 00, 04, 01, 01, 01, 01, 10, 03, 02, 0b, 00, 14, 00, 00, 15, 02, 06, 01, 03, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 2 +Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Zero -- expression 1 operands: lhs = Expression(0, Add), rhs = Zero Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 1, 1) to (start + 1, 16) - Code(Expression(0, Add)) at (prev + 2, 11) to (start + 0, 20) = (c0 + Zero) - Code(Zero) at (prev + 0, 21) to (start + 2, 6) -- Code(Expression(1, Sub)) at (prev + 3, 1) to (start + 0, 2) - = ((c0 + Zero) - Zero) +- Code(Counter(0)) at (prev + 3, 1) to (start + 0, 2) diff --git a/tests/mir-opt/coverage/instrument_coverage.main.InstrumentCoverage.diff b/tests/mir-opt/coverage/instrument_coverage.main.InstrumentCoverage.diff index 3606a9e39323..01876b494c5d 100644 --- a/tests/mir-opt/coverage/instrument_coverage.main.InstrumentCoverage.diff +++ b/tests/mir-opt/coverage/instrument_coverage.main.InstrumentCoverage.diff @@ -8,12 +8,11 @@ let mut _3: !; + coverage ExpressionId(0) => Expression { lhs: Counter(0), op: Add, rhs: Counter(1) }; -+ coverage ExpressionId(1) => Expression { lhs: Expression(0), op: Subtract, rhs: Counter(1) }; + coverage Code(Counter(0)) => $DIR/instrument_coverage.rs:10:1 - 10:11; + coverage Code(Expression(0)) => $DIR/instrument_coverage.rs:11:5 - 12:17; -+ coverage Code(Expression(1)) => $DIR/instrument_coverage.rs:13:13 - 13:18; ++ coverage Code(Counter(0)) => $DIR/instrument_coverage.rs:13:13 - 13:18; + coverage Code(Counter(1)) => $DIR/instrument_coverage.rs:14:10 - 14:11; -+ coverage Code(Expression(1)) => $DIR/instrument_coverage.rs:16:1 - 16:2; ++ coverage Code(Counter(0)) => $DIR/instrument_coverage.rs:16:1 - 16:2; + bb0: { + Coverage::CounterIncrement(0); @@ -35,7 +34,6 @@ } bb4: { -+ Coverage::ExpressionUsed(1); _0 = const (); StorageDead(_2); return; diff --git a/tests/mir-opt/coverage/instrument_coverage_cleanup.main.CleanupPostBorrowck.diff b/tests/mir-opt/coverage/instrument_coverage_cleanup.main.CleanupPostBorrowck.diff index 34d011540b9c..efb1559baf5e 100644 --- a/tests/mir-opt/coverage/instrument_coverage_cleanup.main.CleanupPostBorrowck.diff +++ b/tests/mir-opt/coverage/instrument_coverage_cleanup.main.CleanupPostBorrowck.diff @@ -8,11 +8,10 @@ coverage branch { true: BlockMarkerId(0), false: BlockMarkerId(1) } => $DIR/instrument_coverage_cleanup.rs:14:8: 14:36 (#0) coverage ExpressionId(0) => Expression { lhs: Counter(0), op: Subtract, rhs: Counter(1) }; - coverage ExpressionId(1) => Expression { lhs: Counter(1), op: Add, rhs: Expression(0) }; coverage Code(Counter(0)) => $DIR/instrument_coverage_cleanup.rs:13:1 - 14:36; coverage Code(Expression(0)) => $DIR/instrument_coverage_cleanup.rs:14:37 - 14:39; coverage Code(Counter(1)) => $DIR/instrument_coverage_cleanup.rs:14:39 - 14:40; - coverage Code(Expression(1)) => $DIR/instrument_coverage_cleanup.rs:15:1 - 15:2; + coverage Code(Counter(0)) => $DIR/instrument_coverage_cleanup.rs:15:1 - 15:2; coverage Branch { true_term: Expression(0), false_term: Counter(1) } => $DIR/instrument_coverage_cleanup.rs:14:8 - 14:36; bb0: { @@ -44,7 +43,6 @@ } bb4: { - Coverage::ExpressionUsed(1); StorageDead(_1); return; } diff --git a/tests/mir-opt/coverage/instrument_coverage_cleanup.main.InstrumentCoverage.diff b/tests/mir-opt/coverage/instrument_coverage_cleanup.main.InstrumentCoverage.diff index 6756d5c1e1b2..a0fe9a5c05cd 100644 --- a/tests/mir-opt/coverage/instrument_coverage_cleanup.main.InstrumentCoverage.diff +++ b/tests/mir-opt/coverage/instrument_coverage_cleanup.main.InstrumentCoverage.diff @@ -8,11 +8,10 @@ coverage branch { true: BlockMarkerId(0), false: BlockMarkerId(1) } => $DIR/instrument_coverage_cleanup.rs:14:8: 14:36 (#0) + coverage ExpressionId(0) => Expression { lhs: Counter(0), op: Subtract, rhs: Counter(1) }; -+ coverage ExpressionId(1) => Expression { lhs: Counter(1), op: Add, rhs: Expression(0) }; + coverage Code(Counter(0)) => $DIR/instrument_coverage_cleanup.rs:13:1 - 14:36; + coverage Code(Expression(0)) => $DIR/instrument_coverage_cleanup.rs:14:37 - 14:39; + coverage Code(Counter(1)) => $DIR/instrument_coverage_cleanup.rs:14:39 - 14:40; -+ coverage Code(Expression(1)) => $DIR/instrument_coverage_cleanup.rs:15:1 - 15:2; ++ coverage Code(Counter(0)) => $DIR/instrument_coverage_cleanup.rs:15:1 - 15:2; + coverage Branch { true_term: Expression(0), false_term: Counter(1) } => $DIR/instrument_coverage_cleanup.rs:14:8 - 14:36; + bb0: { @@ -41,7 +40,6 @@ } bb4: { -+ Coverage::ExpressionUsed(1); StorageDead(_1); return; } From 42119ff45c75e5e3ced06f1f45a9e4853fb5bca9 Mon Sep 17 00:00:00 2001 From: jdonszelmann Date: Tue, 14 May 2024 16:10:05 +0200 Subject: [PATCH 0134/1716] create a feature gate --- compiler/rustc_ast_passes/src/feature_gate.rs | 1 + compiler/rustc_feature/src/unstable.rs | 2 ++ compiler/rustc_span/src/symbol.rs | 1 + tests/ui/feature-gates/feature-gate-global-registration.rs | 1 + 4 files changed, 5 insertions(+) create mode 100644 tests/ui/feature-gates/feature-gate-global-registration.rs diff --git a/compiler/rustc_ast_passes/src/feature_gate.rs b/compiler/rustc_ast_passes/src/feature_gate.rs index 6622caaaab41..a522f04b21db 100644 --- a/compiler/rustc_ast_passes/src/feature_gate.rs +++ b/compiler/rustc_ast_passes/src/feature_gate.rs @@ -560,6 +560,7 @@ pub fn check_crate(krate: &ast::Crate, sess: &Session, features: &Features) { gate_all!(postfix_match, "postfix match is experimental"); gate_all!(mut_ref, "mutable by-reference bindings are experimental"); gate_all!(precise_capturing, "precise captures on `impl Trait` are experimental"); + gate_all!(global_registration, "global registration is experimental"); if !visitor.features.never_patterns { if let Some(spans) = spans.get(&sym::never_patterns) { diff --git a/compiler/rustc_feature/src/unstable.rs b/compiler/rustc_feature/src/unstable.rs index 60b386acf910..a25b7ef10a42 100644 --- a/compiler/rustc_feature/src/unstable.rs +++ b/compiler/rustc_feature/src/unstable.rs @@ -487,6 +487,8 @@ declare_features! ( (incomplete, generic_const_exprs, "1.56.0", Some(76560)), /// Allows generic parameters and where-clauses on free & associated const items. (incomplete, generic_const_items, "1.73.0", Some(113521)), + /// Allows registring static items globally, possibly across crates, to iterate over at runtime. + (unstable, global_registration, "CURRENT_RUSTC_VERSION", Some(125119)), /// Allows using `..=X` as a patterns in slices. (unstable, half_open_range_patterns_in_slices, "1.66.0", Some(67264)), /// Allows `if let` guard in match arms. diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index d41059e8c24a..192c7a27bd6d 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -928,6 +928,7 @@ symbols! { global_alloc_ty, global_allocator, global_asm, + global_registration, globs, gt, half_open_range_patterns, diff --git a/tests/ui/feature-gates/feature-gate-global-registration.rs b/tests/ui/feature-gates/feature-gate-global-registration.rs new file mode 100644 index 000000000000..77072727ec50 --- /dev/null +++ b/tests/ui/feature-gates/feature-gate-global-registration.rs @@ -0,0 +1 @@ +//! WIP From cfb04795a1183ca59a4d63060f3443accb9e59bd Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Beno=C3=AEt=20du=20Garreau?= Date: Tue, 14 May 2024 16:16:33 +0200 Subject: [PATCH 0135/1716] Fix `read_exact` and `read_buf_exact` for `&[u8]` and `io:Cursor` --- library/std/src/io/cursor.rs | 27 +++++++++++++++++---------- library/std/src/io/impls.rs | 6 ++++++ 2 files changed, 23 insertions(+), 10 deletions(-) diff --git a/library/std/src/io/cursor.rs b/library/std/src/io/cursor.rs index 37492e9efab7..e6c53acacaee 100644 --- a/library/std/src/io/cursor.rs +++ b/library/std/src/io/cursor.rs @@ -328,7 +328,7 @@ where fn read_buf(&mut self, mut cursor: BorrowedCursor<'_>) -> io::Result<()> { let prev_written = cursor.written(); - Read::read_buf(&mut self.fill_buf()?, cursor.reborrow())?; + Read::read_buf(&mut self.remaining_slice(), cursor.reborrow())?; self.pos += (cursor.written() - prev_written) as u64; @@ -352,17 +352,24 @@ where } fn read_exact(&mut self, buf: &mut [u8]) -> io::Result<()> { - let n = buf.len(); - Read::read_exact(&mut self.remaining_slice(), buf)?; - self.pos += n as u64; - Ok(()) + let result = Read::read_exact(&mut self.remaining_slice(), buf); + + match result { + Ok(_) => self.pos += buf.len() as u64, + // The only posible error condition is EOF + Err(_) => self.pos = self.inner.as_ref().len() as u64, + } + + result } - fn read_buf_exact(&mut self, cursor: BorrowedCursor<'_>) -> io::Result<()> { - let n = cursor.capacity(); - Read::read_buf_exact(&mut self.remaining_slice(), cursor)?; - self.pos += n as u64; - Ok(()) + fn read_buf_exact(&mut self, mut cursor: BorrowedCursor<'_>) -> io::Result<()> { + let prev_written = cursor.written(); + + let result = Read::read_buf_exact(&mut self.remaining_slice(), cursor.reborrow()); + self.pos += (cursor.written() - prev_written) as u64; + + result } fn read_to_end(&mut self, buf: &mut Vec) -> io::Result { diff --git a/library/std/src/io/impls.rs b/library/std/src/io/impls.rs index 46f04c7cd395..a8a2e9413e11 100644 --- a/library/std/src/io/impls.rs +++ b/library/std/src/io/impls.rs @@ -287,6 +287,9 @@ impl Read for &[u8] { #[inline] fn read_exact(&mut self, buf: &mut [u8]) -> io::Result<()> { if buf.len() > self.len() { + // `read_exact` makes no promise about the content of `buf` if it + // fails so don't bother about that. + *self = &self[self.len()..]; return Err(io::Error::READ_EXACT_EOF); } let (a, b) = self.split_at(buf.len()); @@ -307,6 +310,9 @@ impl Read for &[u8] { #[inline] fn read_buf_exact(&mut self, mut cursor: BorrowedCursor<'_>) -> io::Result<()> { if cursor.capacity() > self.len() { + // Append everything we can to the cursor. + cursor.append(*self); + *self = &self[self.len()..]; return Err(io::Error::READ_EXACT_EOF); } let (a, b) = self.split_at(cursor.capacity()); From 9d790d640734c311182dc688596cad7a370d657e Mon Sep 17 00:00:00 2001 From: Alex Macleod Date: Tue, 14 May 2024 17:22:56 +0000 Subject: [PATCH 0136/1716] Don't lint path statements in no_effect --- clippy_lints/src/no_effect.rs | 8 +++-- tests/ui/no_effect.rs | 13 ------- tests/ui/no_effect.stderr | 68 +++++++++++++++-------------------- 3 files changed, 33 insertions(+), 56 deletions(-) diff --git a/clippy_lints/src/no_effect.rs b/clippy_lints/src/no_effect.rs index f915145e794b..87f886b1128d 100644 --- a/clippy_lints/src/no_effect.rs +++ b/clippy_lints/src/no_effect.rs @@ -94,7 +94,6 @@ impl<'tcx> LateLintPass<'tcx> for NoEffect { fn check_block_post(&mut self, cx: &LateContext<'tcx>, _: &'tcx rustc_hir::Block<'tcx>) { for hir_id in self.local_bindings.pop().unwrap() { - // FIXME(rust/#120456) - is `swap_remove` correct? if let Some(span) = self.underscore_bindings.swap_remove(&hir_id) { span_lint_hir( cx, @@ -109,7 +108,6 @@ impl<'tcx> LateLintPass<'tcx> for NoEffect { fn check_expr(&mut self, _: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) { if let Some(def_id) = path_to_local(expr) { - // FIXME(rust/#120456) - is `swap_remove` correct? self.underscore_bindings.swap_remove(&def_id); } } @@ -118,7 +116,11 @@ impl<'tcx> LateLintPass<'tcx> for NoEffect { impl NoEffect { fn check_no_effect(&mut self, cx: &LateContext<'_>, stmt: &Stmt<'_>) -> bool { if let StmtKind::Semi(expr) = stmt.kind { - // move `expr.span.from_expansion()` ahead + // Covered by rustc `path_statements` lint + if matches!(expr.kind, ExprKind::Path(_)) { + return true; + } + if expr.span.from_expansion() { return false; } diff --git a/tests/ui/no_effect.rs b/tests/ui/no_effect.rs index dabeda72f0c8..0ea911c34348 100644 --- a/tests/ui/no_effect.rs +++ b/tests/ui/no_effect.rs @@ -1,6 +1,5 @@ #![feature(fn_traits, unboxed_closures)] #![warn(clippy::no_effect_underscore_binding)] -#![allow(dead_code, path_statements)] #![allow( clippy::deref_addrof, clippy::redundant_field_names, @@ -33,7 +32,6 @@ impl Neg for Cout { } } -struct Unit; struct Tuple(i32); struct Struct { field: i32, @@ -42,10 +40,6 @@ enum Enum { Tuple(i32), Struct { field: i32 }, } -struct DropUnit; -impl Drop for DropUnit { - fn drop(&mut self) {} -} struct DropStruct { field: i32, } @@ -117,15 +111,9 @@ impl FnOnce<(&str,)> for GreetStruct3 { fn main() { let s = get_struct(); - let s2 = get_struct(); 0; //~^ ERROR: statement with no effect - //~| NOTE: `-D clippy::no-effect` implied by `-D warnings` - s2; - //~^ ERROR: statement with no effect - Unit; - //~^ ERROR: statement with no effect Tuple(0); //~^ ERROR: statement with no effect Struct { field: 0 }; @@ -192,7 +180,6 @@ fn main() { unsafe { unsafe_fn() }; let _used = get_struct(); let _x = vec![1]; - DropUnit; DropStruct { field: 0 }; DropTuple(0); DropEnum::Tuple(0); diff --git a/tests/ui/no_effect.stderr b/tests/ui/no_effect.stderr index c7c8eecd054b..48ec997d938c 100644 --- a/tests/ui/no_effect.stderr +++ b/tests/ui/no_effect.stderr @@ -1,5 +1,5 @@ error: statement with no effect - --> tests/ui/no_effect.rs:122:5 + --> tests/ui/no_effect.rs:115:5 | LL | 0; | ^^ @@ -8,151 +8,139 @@ LL | 0; = help: to override `-D warnings` add `#[allow(clippy::no_effect)]` error: statement with no effect - --> tests/ui/no_effect.rs:125:5 - | -LL | s2; - | ^^^ - -error: statement with no effect - --> tests/ui/no_effect.rs:127:5 - | -LL | Unit; - | ^^^^^ - -error: statement with no effect - --> tests/ui/no_effect.rs:129:5 + --> tests/ui/no_effect.rs:117:5 | LL | Tuple(0); | ^^^^^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:131:5 + --> tests/ui/no_effect.rs:119:5 | LL | Struct { field: 0 }; | ^^^^^^^^^^^^^^^^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:133:5 + --> tests/ui/no_effect.rs:121:5 | LL | Struct { ..s }; | ^^^^^^^^^^^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:135:5 + --> tests/ui/no_effect.rs:123:5 | LL | Union { a: 0 }; | ^^^^^^^^^^^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:137:5 + --> tests/ui/no_effect.rs:125:5 | LL | Enum::Tuple(0); | ^^^^^^^^^^^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:139:5 + --> tests/ui/no_effect.rs:127:5 | LL | Enum::Struct { field: 0 }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:141:5 + --> tests/ui/no_effect.rs:129:5 | LL | 5 + 6; | ^^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:143:5 + --> tests/ui/no_effect.rs:131:5 | LL | *&42; | ^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:145:5 + --> tests/ui/no_effect.rs:133:5 | LL | &6; | ^^^ error: statement with no effect - --> tests/ui/no_effect.rs:147:5 + --> tests/ui/no_effect.rs:135:5 | LL | (5, 6, 7); | ^^^^^^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:149:5 + --> tests/ui/no_effect.rs:137:5 | LL | ..; | ^^^ error: statement with no effect - --> tests/ui/no_effect.rs:151:5 + --> tests/ui/no_effect.rs:139:5 | LL | 5..; | ^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:153:5 + --> tests/ui/no_effect.rs:141:5 | LL | ..5; | ^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:155:5 + --> tests/ui/no_effect.rs:143:5 | LL | 5..6; | ^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:157:5 + --> tests/ui/no_effect.rs:145:5 | LL | 5..=6; | ^^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:159:5 + --> tests/ui/no_effect.rs:147:5 | LL | [42, 55]; | ^^^^^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:161:5 + --> tests/ui/no_effect.rs:149:5 | LL | [42, 55][1]; | ^^^^^^^^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:163:5 + --> tests/ui/no_effect.rs:151:5 | LL | (42, 55).1; | ^^^^^^^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:165:5 + --> tests/ui/no_effect.rs:153:5 | LL | [42; 55]; | ^^^^^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:167:5 + --> tests/ui/no_effect.rs:155:5 | LL | [42; 55][13]; | ^^^^^^^^^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:170:5 + --> tests/ui/no_effect.rs:158:5 | LL | || x += 5; | ^^^^^^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:173:5 + --> tests/ui/no_effect.rs:161:5 | LL | FooString { s: s }; | ^^^^^^^^^^^^^^^^^^^ error: binding to `_` prefixed variable with no side-effect - --> tests/ui/no_effect.rs:175:9 + --> tests/ui/no_effect.rs:163:9 | LL | let _unused = 1; | ^^^^^^^ @@ -161,22 +149,22 @@ LL | let _unused = 1; = help: to override `-D warnings` add `#[allow(clippy::no_effect_underscore_binding)]` error: binding to `_` prefixed variable with no side-effect - --> tests/ui/no_effect.rs:178:9 + --> tests/ui/no_effect.rs:166:9 | LL | let _penguin = || println!("Some helpful closure"); | ^^^^^^^^ error: binding to `_` prefixed variable with no side-effect - --> tests/ui/no_effect.rs:180:9 + --> tests/ui/no_effect.rs:168:9 | LL | let _duck = Struct { field: 0 }; | ^^^^^ error: binding to `_` prefixed variable with no side-effect - --> tests/ui/no_effect.rs:182:9 + --> tests/ui/no_effect.rs:170:9 | LL | let _cat = [2, 4, 6, 8][2]; | ^^^^ -error: aborting due to 29 previous errors +error: aborting due to 27 previous errors From 518becf5ea30807f98b89002a70e5640e6e8bbf4 Mon Sep 17 00:00:00 2001 From: Alice Ryhl Date: Tue, 14 May 2024 21:09:42 +0200 Subject: [PATCH 0137/1716] Fail on non-aarch64 targets --- compiler/rustc_codegen_llvm/src/llvm_util.rs | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/compiler/rustc_codegen_llvm/src/llvm_util.rs b/compiler/rustc_codegen_llvm/src/llvm_util.rs index dbce7f43e62c..b3359b816025 100644 --- a/compiler/rustc_codegen_llvm/src/llvm_util.rs +++ b/compiler/rustc_codegen_llvm/src/llvm_util.rs @@ -617,6 +617,11 @@ pub(crate) fn global_llvm_features(sess: &Session, diagnostics: bool) -> Vec Date: Wed, 15 May 2024 00:38:34 +0300 Subject: [PATCH 0138/1716] Divide float nanoseconds instead of seconds --- library/core/src/time.rs | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/library/core/src/time.rs b/library/core/src/time.rs index a4de3d099b3e..bbeacac05104 100644 --- a/library/core/src/time.rs +++ b/library/core/src/time.rs @@ -1074,7 +1074,9 @@ impl Duration { #[inline] #[rustc_const_unstable(feature = "duration_consts_float", issue = "72440")] pub const fn div_duration_f64(self, rhs: Duration) -> f64 { - self.as_secs_f64() / rhs.as_secs_f64() + let self_nanos = (self.secs as f64) * (NANOS_PER_SEC as f64) + (self.nanos.0 as f64); + let rhs_nanos = (rhs.secs as f64) * (NANOS_PER_SEC as f64) + (rhs.nanos.0 as f64); + self_nanos / rhs_nanos } /// Divide `Duration` by `Duration` and return `f32`. @@ -1093,7 +1095,9 @@ impl Duration { #[inline] #[rustc_const_unstable(feature = "duration_consts_float", issue = "72440")] pub const fn div_duration_f32(self, rhs: Duration) -> f32 { - self.as_secs_f32() / rhs.as_secs_f32() + let self_nanos = (self.secs as f32) * (NANOS_PER_SEC as f32) + (self.nanos.0 as f32); + let rhs_nanos = (rhs.secs as f32) * (NANOS_PER_SEC as f32) + (rhs.nanos.0 as f32); + self_nanos / rhs_nanos } } From a5d0988a88a7557d4ae507fecd4df3d9ed8ad839 Mon Sep 17 00:00:00 2001 From: Oliver Killane <44177991+OliverKillane@users.noreply.github.com> Date: Wed, 15 May 2024 00:07:21 +0100 Subject: [PATCH 0139/1716] Update compiler/rustc_error_codes/src/error_codes/E0582.md Co-authored-by: Felix S Klock II --- compiler/rustc_error_codes/src/error_codes/E0582.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/compiler/rustc_error_codes/src/error_codes/E0582.md b/compiler/rustc_error_codes/src/error_codes/E0582.md index 31927cd5fe34..26b65b12bc91 100644 --- a/compiler/rustc_error_codes/src/error_codes/E0582.md +++ b/compiler/rustc_error_codes/src/error_codes/E0582.md @@ -42,7 +42,7 @@ where f: F } ``` -This is as `Foo::Assoc<'a>` could be implemented by a type that does not use +The latter scenario encounters this error because `Foo::Assoc<'a>` could be implemented by a type that does not use the `'a` parameter, so there is no guarentee that `X::Assoc<'a>` actually uses `'a`. From 012288b922e5db0ca6a8bbb2d1704c86c0fd79ff Mon Sep 17 00:00:00 2001 From: Oliver Killane Date: Wed, 15 May 2024 01:15:36 +0100 Subject: [PATCH 0140/1716] tidy fix from suggestion --- compiler/rustc_error_codes/src/error_codes/E0582.md | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/compiler/rustc_error_codes/src/error_codes/E0582.md b/compiler/rustc_error_codes/src/error_codes/E0582.md index 26b65b12bc91..b2cdb509c95c 100644 --- a/compiler/rustc_error_codes/src/error_codes/E0582.md +++ b/compiler/rustc_error_codes/src/error_codes/E0582.md @@ -42,9 +42,9 @@ where f: F } ``` -The latter scenario encounters this error because `Foo::Assoc<'a>` could be implemented by a type that does not use -the `'a` parameter, so there is no guarentee that `X::Assoc<'a>` actually uses -`'a`. +The latter scenario encounters this error because `Foo::Assoc<'a>` could be +implemented by a type that does not use the `'a` parameter, so there is no +guarentee that `X::Assoc<'a>` actually uses `'a`. To fix this we can pass a dummy parameter: ``` From 1b7fc5f5aad72bc507e3efe9c7adb808a9835690 Mon Sep 17 00:00:00 2001 From: J-ZhengLi Date: Wed, 15 May 2024 16:38:57 +0800 Subject: [PATCH 0141/1716] add some msrv checks in `is_min_const_fn` --- clippy_config/src/msrvs.rs | 3 +- clippy_utils/src/qualify_min_const_fn.rs | 78 +++++++++++-------- .../ui/missing_const_for_fn/cant_be_const.rs | 18 ++++- .../ui/missing_const_for_fn/could_be_const.rs | 28 +++++++ .../could_be_const.stderr | 30 ++++++- 5 files changed, 121 insertions(+), 36 deletions(-) diff --git a/clippy_config/src/msrvs.rs b/clippy_config/src/msrvs.rs index 14808440d48d..a3e7d0c3fa5f 100644 --- a/clippy_config/src/msrvs.rs +++ b/clippy_config/src/msrvs.rs @@ -26,7 +26,8 @@ msrv_aliases! { 1,63,0 { CLONE_INTO } 1,62,0 { BOOL_THEN_SOME, DEFAULT_ENUM_ATTRIBUTE } 1,59,0 { THREAD_LOCAL_INITIALIZER_CAN_BE_MADE_CONST } - 1,58,0 { FORMAT_ARGS_CAPTURE, PATTERN_TRAIT_CHAR_ARRAY } + 1,58,0 { FORMAT_ARGS_CAPTURE, PATTERN_TRAIT_CHAR_ARRAY, CONST_RAW_PTR_DEREF } + 1,56,0 { CONST_FN_UNION } 1,55,0 { SEEK_REWIND } 1,54,0 { INTO_KEYS } 1,53,0 { OR_PATTERNS, MANUAL_BITS, BTREE_MAP_RETAIN, BTREE_SET_RETAIN, ARRAY_INTO_ITERATOR } diff --git a/clippy_utils/src/qualify_min_const_fn.rs b/clippy_utils/src/qualify_min_const_fn.rs index 325c9bee0578..dbda3c0dfe80 100644 --- a/clippy_utils/src/qualify_min_const_fn.rs +++ b/clippy_utils/src/qualify_min_const_fn.rs @@ -3,7 +3,7 @@ // of terminologies might not be relevant in the context of Clippy. Note that its behavior might // differ from the time of `rustc` even if the name stays the same. -use clippy_config::msrvs::Msrv; +use clippy_config::msrvs::{self, Msrv}; use hir::LangItem; use rustc_attr::StableSince; use rustc_const_eval::transform::check_consts::ConstCx; @@ -42,7 +42,7 @@ pub fn is_min_const_fn<'tcx>(tcx: TyCtxt<'tcx>, body: &Body<'tcx>, msrv: &Msrv) for bb in &*body.basic_blocks { check_terminator(tcx, body, bb.terminator(), msrv)?; for stmt in &bb.statements { - check_statement(tcx, body, def_id, stmt)?; + check_statement(tcx, body, def_id, stmt, msrv)?; } } Ok(()) @@ -102,13 +102,14 @@ fn check_rvalue<'tcx>( def_id: DefId, rvalue: &Rvalue<'tcx>, span: Span, + msrv: &Msrv, ) -> McfResult { match rvalue { Rvalue::ThreadLocalRef(_) => Err((span, "cannot access thread local storage in const fn".into())), Rvalue::Len(place) | Rvalue::Discriminant(place) | Rvalue::Ref(_, _, place) | Rvalue::AddressOf(_, place) => { - check_place(tcx, *place, span, body) + check_place(tcx, *place, span, body, msrv) }, - Rvalue::CopyForDeref(place) => check_place(tcx, *place, span, body), + Rvalue::CopyForDeref(place) => check_place(tcx, *place, span, body, msrv), Rvalue::Repeat(operand, _) | Rvalue::Use(operand) | Rvalue::Cast( @@ -122,7 +123,7 @@ fn check_rvalue<'tcx>( | CastKind::PointerCoercion(PointerCoercion::MutToConstPointer | PointerCoercion::ArrayToPointer), operand, _, - ) => check_operand(tcx, operand, span, body), + ) => check_operand(tcx, operand, span, body, msrv), Rvalue::Cast( CastKind::PointerCoercion( PointerCoercion::UnsafeFnPointer @@ -141,7 +142,7 @@ fn check_rvalue<'tcx>( }; let unsized_ty = tcx.struct_tail_erasing_lifetimes(pointee_ty, tcx.param_env(def_id)); if let ty::Slice(_) | ty::Str = unsized_ty.kind() { - check_operand(tcx, op, span, body)?; + check_operand(tcx, op, span, body, msrv)?; // Casting/coercing things to slices is fine. Ok(()) } else { @@ -162,8 +163,8 @@ fn check_rvalue<'tcx>( )), // binops are fine on integers Rvalue::BinaryOp(_, box (lhs, rhs)) | Rvalue::CheckedBinaryOp(_, box (lhs, rhs)) => { - check_operand(tcx, lhs, span, body)?; - check_operand(tcx, rhs, span, body)?; + check_operand(tcx, lhs, span, body, msrv)?; + check_operand(tcx, rhs, span, body, msrv)?; let ty = lhs.ty(body, tcx); if ty.is_integral() || ty.is_bool() || ty.is_char() { Ok(()) @@ -179,14 +180,14 @@ fn check_rvalue<'tcx>( Rvalue::UnaryOp(_, operand) => { let ty = operand.ty(body, tcx); if ty.is_integral() || ty.is_bool() { - check_operand(tcx, operand, span, body) + check_operand(tcx, operand, span, body, msrv) } else { Err((span, "only int and `bool` operations are stable in const fn".into())) } }, Rvalue::Aggregate(_, operands) => { for operand in operands { - check_operand(tcx, operand, span, body)?; + check_operand(tcx, operand, span, body, msrv)?; } Ok(()) }, @@ -198,28 +199,29 @@ fn check_statement<'tcx>( body: &Body<'tcx>, def_id: DefId, statement: &Statement<'tcx>, + msrv: &Msrv, ) -> McfResult { let span = statement.source_info.span; match &statement.kind { StatementKind::Assign(box (place, rval)) => { - check_place(tcx, *place, span, body)?; - check_rvalue(tcx, body, def_id, rval, span) + check_place(tcx, *place, span, body, msrv)?; + check_rvalue(tcx, body, def_id, rval, span, msrv) }, - StatementKind::FakeRead(box (_, place)) => check_place(tcx, *place, span, body), + StatementKind::FakeRead(box (_, place)) => check_place(tcx, *place, span, body, msrv), // just an assignment StatementKind::SetDiscriminant { place, .. } | StatementKind::Deinit(place) => { - check_place(tcx, **place, span, body) + check_place(tcx, **place, span, body, msrv) }, - StatementKind::Intrinsic(box NonDivergingIntrinsic::Assume(op)) => check_operand(tcx, op, span, body), + StatementKind::Intrinsic(box NonDivergingIntrinsic::Assume(op)) => check_operand(tcx, op, span, body, msrv), StatementKind::Intrinsic(box NonDivergingIntrinsic::CopyNonOverlapping( rustc_middle::mir::CopyNonOverlapping { dst, src, count }, )) => { - check_operand(tcx, dst, span, body)?; - check_operand(tcx, src, span, body)?; - check_operand(tcx, count, span, body) + check_operand(tcx, dst, span, body, msrv)?; + check_operand(tcx, src, span, body, msrv)?; + check_operand(tcx, count, span, body, msrv) }, // These are all NOPs StatementKind::StorageLive(_) @@ -233,7 +235,13 @@ fn check_statement<'tcx>( } } -fn check_operand<'tcx>(tcx: TyCtxt<'tcx>, operand: &Operand<'tcx>, span: Span, body: &Body<'tcx>) -> McfResult { +fn check_operand<'tcx>( + tcx: TyCtxt<'tcx>, + operand: &Operand<'tcx>, + span: Span, + body: &Body<'tcx>, + msrv: &Msrv, +) -> McfResult { match operand { Operand::Move(place) => { if !place.projection.as_ref().is_empty() @@ -245,9 +253,9 @@ fn check_operand<'tcx>(tcx: TyCtxt<'tcx>, operand: &Operand<'tcx>, span: Span, b )); } - check_place(tcx, *place, span, body) + check_place(tcx, *place, span, body, msrv) }, - Operand::Copy(place) => check_place(tcx, *place, span, body), + Operand::Copy(place) => check_place(tcx, *place, span, body, msrv), Operand::Constant(c) => match c.check_static_ptr(tcx) { Some(_) => Err((span, "cannot access `static` items in const fn".into())), None => Ok(()), @@ -255,23 +263,27 @@ fn check_operand<'tcx>(tcx: TyCtxt<'tcx>, operand: &Operand<'tcx>, span: Span, b } } -fn check_place<'tcx>(tcx: TyCtxt<'tcx>, place: Place<'tcx>, span: Span, body: &Body<'tcx>) -> McfResult { +fn check_place<'tcx>(tcx: TyCtxt<'tcx>, place: Place<'tcx>, span: Span, body: &Body<'tcx>, msrv: &Msrv) -> McfResult { for (base, elem) in place.as_ref().iter_projections() { match elem { ProjectionElem::Field(..) => { - let base_ty = base.ty(body, tcx).ty; - if let Some(def) = base_ty.ty_adt_def() { - // No union field accesses in `const fn` - if def.is_union() { - return Err((span, "accessing union fields is unstable".into())); - } + if base.ty(body, tcx).ty.is_union() && !msrv.meets(msrvs::CONST_FN_UNION) { + return Err((span, "accessing union fields is unstable".into())); } }, + ProjectionElem::Deref => match base.ty(body, tcx).ty.kind() { + ty::RawPtr(_, hir::Mutability::Mut) => { + return Err((span, "dereferencing raw mut pointer in const fn is unstable".into())); + }, + ty::RawPtr(_, hir::Mutability::Not) if !msrv.meets(msrvs::CONST_RAW_PTR_DEREF) => { + return Err((span, "dereferencing raw const pointer in const fn is unstable".into())); + }, + _ => (), + }, ProjectionElem::ConstantIndex { .. } | ProjectionElem::OpaqueCast(..) | ProjectionElem::Downcast(..) | ProjectionElem::Subslice { .. } - | ProjectionElem::Deref | ProjectionElem::Subtype(_) | ProjectionElem::Index(_) => {}, } @@ -304,7 +316,7 @@ fn check_terminator<'tcx>( } Ok(()) }, - TerminatorKind::SwitchInt { discr, targets: _ } => check_operand(tcx, discr, span, body), + TerminatorKind::SwitchInt { discr, targets: _ } => check_operand(tcx, discr, span, body, msrv), TerminatorKind::CoroutineDrop | TerminatorKind::Yield { .. } => { Err((span, "const fn coroutines are unstable".into())) }, @@ -341,10 +353,10 @@ fn check_terminator<'tcx>( )); } - check_operand(tcx, func, span, body)?; + check_operand(tcx, func, span, body, msrv)?; for arg in args { - check_operand(tcx, &arg.node, span, body)?; + check_operand(tcx, &arg.node, span, body, msrv)?; } Ok(()) } else { @@ -357,7 +369,7 @@ fn check_terminator<'tcx>( msg: _, target: _, unwind: _, - } => check_operand(tcx, cond, span, body), + } => check_operand(tcx, cond, span, body, msrv), TerminatorKind::InlineAsm { .. } => Err((span, "cannot use inline assembly in const fn".into())), } } diff --git a/tests/ui/missing_const_for_fn/cant_be_const.rs b/tests/ui/missing_const_for_fn/cant_be_const.rs index d026e009684a..2750e0cdf3f7 100644 --- a/tests/ui/missing_const_for_fn/cant_be_const.rs +++ b/tests/ui/missing_const_for_fn/cant_be_const.rs @@ -161,7 +161,23 @@ union U { f: u32, } -// Do not lint because accessing union fields from const functions is unstable +// Do not lint because accessing union fields from const functions is unstable in 1.55 +#[clippy::msrv = "1.55"] fn h(u: U) -> u32 { unsafe { u.f } } + +mod msrv { + struct Foo(*const u8, *mut u8); + + impl Foo { + #[clippy::msrv = "1.57"] + fn deref_ptr_cannot_be_const(self) -> usize { + unsafe { *self.0 as usize } + } + #[clippy::msrv = "1.58"] + fn deref_mut_ptr_cannot_be_const(self) -> usize { + unsafe { *self.1 as usize } + } + } +} diff --git a/tests/ui/missing_const_for_fn/could_be_const.rs b/tests/ui/missing_const_for_fn/could_be_const.rs index 12a8320c8f32..06dbbeb31c0d 100644 --- a/tests/ui/missing_const_for_fn/could_be_const.rs +++ b/tests/ui/missing_const_for_fn/could_be_const.rs @@ -113,3 +113,31 @@ impl const Drop for D { // Lint this, since it can be dropped in const contexts // FIXME(effects) fn d(this: D) {} + +mod msrv { + struct Foo(*const u8, &'static u8); + + impl Foo { + #[clippy::msrv = "1.58"] + fn deref_ptr_can_be_const(self) -> usize { + //~^ ERROR: this could be a `const fn` + unsafe { *self.0 as usize } + } + + fn deref_copied_val(self) -> usize { + //~^ ERROR: this could be a `const fn` + *self.1 as usize + } + } + + union Bar { + val: u8, + } + + #[clippy::msrv = "1.56"] + fn union_access_can_be_const() { + //~^ ERROR: this could be a `const fn` + let bar = Bar { val: 1 }; + let _ = unsafe { bar.val }; + } +} diff --git a/tests/ui/missing_const_for_fn/could_be_const.stderr b/tests/ui/missing_const_for_fn/could_be_const.stderr index 082459fd8212..b2cade305637 100644 --- a/tests/ui/missing_const_for_fn/could_be_const.stderr +++ b/tests/ui/missing_const_for_fn/could_be_const.stderr @@ -102,5 +102,33 @@ LL | | 46 LL | | } | |_^ -error: aborting due to 11 previous errors +error: this could be a `const fn` + --> tests/ui/missing_const_for_fn/could_be_const.rs:122:9 + | +LL | / fn deref_ptr_can_be_const(self) -> usize { +LL | | +LL | | unsafe { *self.0 as usize } +LL | | } + | |_________^ + +error: this could be a `const fn` + --> tests/ui/missing_const_for_fn/could_be_const.rs:127:9 + | +LL | / fn deref_copied_val(self) -> usize { +LL | | +LL | | *self.1 as usize +LL | | } + | |_________^ + +error: this could be a `const fn` + --> tests/ui/missing_const_for_fn/could_be_const.rs:138:5 + | +LL | / fn union_access_can_be_const() { +LL | | +LL | | let bar = Bar { val: 1 }; +LL | | let _ = unsafe { bar.val }; +LL | | } + | |_____^ + +error: aborting due to 14 previous errors From b780fa9219c4c921e3334971a9e673e22cbea375 Mon Sep 17 00:00:00 2001 From: Alice Ryhl Date: Wed, 15 May 2024 10:01:55 +0200 Subject: [PATCH 0142/1716] Use an error struct instead of a panic --- compiler/rustc_codegen_llvm/messages.ftl | 2 ++ compiler/rustc_codegen_llvm/src/errors.rs | 6 +++++ compiler/rustc_codegen_llvm/src/llvm_util.rs | 9 ++++---- tests/ui/abi/fixed_x18.aarch64.stderr | 2 ++ tests/ui/abi/fixed_x18.arm.stderr | 2 ++ tests/ui/abi/fixed_x18.i686.stderr | 2 ++ tests/ui/abi/fixed_x18.riscv32.stderr | 2 ++ tests/ui/abi/fixed_x18.riscv64.stderr | 2 ++ tests/ui/abi/fixed_x18.rs | 23 ++++++++++++++++++++ tests/ui/abi/fixed_x18.x64.stderr | 2 ++ 10 files changed, 47 insertions(+), 5 deletions(-) create mode 100644 tests/ui/abi/fixed_x18.aarch64.stderr create mode 100644 tests/ui/abi/fixed_x18.arm.stderr create mode 100644 tests/ui/abi/fixed_x18.i686.stderr create mode 100644 tests/ui/abi/fixed_x18.riscv32.stderr create mode 100644 tests/ui/abi/fixed_x18.riscv64.stderr create mode 100644 tests/ui/abi/fixed_x18.rs create mode 100644 tests/ui/abi/fixed_x18.x64.stderr diff --git a/compiler/rustc_codegen_llvm/messages.ftl b/compiler/rustc_codegen_llvm/messages.ftl index d14fe0299e64..1c126e797621 100644 --- a/compiler/rustc_codegen_llvm/messages.ftl +++ b/compiler/rustc_codegen_llvm/messages.ftl @@ -18,6 +18,8 @@ codegen_llvm_error_creating_import_library = codegen_llvm_error_writing_def_file = Error writing .DEF file: {$error} +codegen_llvm_fixed_x18_invalid_arch = the `-Zfixed-x18` flag is not supported on the `{$arch}` architecture + codegen_llvm_from_llvm_diag = {$message} codegen_llvm_from_llvm_optimization_diag = {$filename}:{$line}:{$column} {$pass_name} ({$kind}): {$message} diff --git a/compiler/rustc_codegen_llvm/src/errors.rs b/compiler/rustc_codegen_llvm/src/errors.rs index e15eda7c66c1..9d83dc811633 100644 --- a/compiler/rustc_codegen_llvm/src/errors.rs +++ b/compiler/rustc_codegen_llvm/src/errors.rs @@ -254,3 +254,9 @@ pub struct MismatchedDataLayout<'a> { pub(crate) struct InvalidTargetFeaturePrefix<'a> { pub feature: &'a str, } + +#[derive(Diagnostic)] +#[diag(codegen_llvm_fixed_x18_invalid_arch)] +pub(crate) struct FixedX18InvalidArch<'a> { + pub arch: &'a str, +} diff --git a/compiler/rustc_codegen_llvm/src/llvm_util.rs b/compiler/rustc_codegen_llvm/src/llvm_util.rs index b3359b816025..53b9b530e9bd 100644 --- a/compiler/rustc_codegen_llvm/src/llvm_util.rs +++ b/compiler/rustc_codegen_llvm/src/llvm_util.rs @@ -1,6 +1,6 @@ use crate::back::write::create_informational_target_machine; use crate::errors::{ - InvalidTargetFeaturePrefix, PossibleFeature, TargetFeatureDisableOrEnable, + FixedX18InvalidArch, InvalidTargetFeaturePrefix, PossibleFeature, TargetFeatureDisableOrEnable, UnknownCTargetFeature, UnknownCTargetFeaturePrefix, UnstableCTargetFeature, }; use crate::llvm; @@ -618,11 +618,10 @@ pub(crate) fn global_llvm_features(sess: &Session, diagnostics: bool) -> Vec Date: Wed, 15 May 2024 12:35:39 +0200 Subject: [PATCH 0143/1716] Remove fixed_x18.aarch64.stderr --- tests/ui/abi/fixed_x18.aarch64.stderr | 2 -- 1 file changed, 2 deletions(-) delete mode 100644 tests/ui/abi/fixed_x18.aarch64.stderr diff --git a/tests/ui/abi/fixed_x18.aarch64.stderr b/tests/ui/abi/fixed_x18.aarch64.stderr deleted file mode 100644 index 6dc367f9edce..000000000000 --- a/tests/ui/abi/fixed_x18.aarch64.stderr +++ /dev/null @@ -1,2 +0,0 @@ -error: the `-Zfixed-x18` flag is not supported on the `x86_64` architecture - From 7677ff2879dda850c4e0622116be7751a77a2810 Mon Sep 17 00:00:00 2001 From: Alice Ryhl Date: Wed, 15 May 2024 13:09:02 +0200 Subject: [PATCH 0144/1716] Remove aarch64 from revisions list --- tests/ui/abi/fixed_x18.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tests/ui/abi/fixed_x18.rs b/tests/ui/abi/fixed_x18.rs index e62b9c24d223..6d00cb2709da 100644 --- a/tests/ui/abi/fixed_x18.rs +++ b/tests/ui/abi/fixed_x18.rs @@ -1,7 +1,7 @@ // This tests that -Zfixed-x18 causes a compilation failure on targets other than aarch64. // Behavior on aarch64 is tested by tests/codegen/fixed-x18.rs. // -//@ revisions: x64 i686 aarch64 arm riscv32 riscv64 +//@ revisions: x64 i686 arm riscv32 riscv64 // //@ compile-flags: -Zfixed-x18 //@ [x64] needs-llvm-components: x86 From 7b6a3d029bf2884126aad7c5d718b1f7eeab3980 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Wed, 15 May 2024 15:48:52 +0200 Subject: [PATCH 0145/1716] CI: fix toolstate publishing --- .github/workflows/ci.yml | 3 ++- src/ci/github-actions/jobs.yml | 2 -- src/tools/publish_toolstate.py | 3 +-- 3 files changed, 3 insertions(+), 5 deletions(-) diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml index 5364c1e9f466..0551d44649cd 100644 --- a/.github/workflows/ci.yml +++ b/.github/workflows/ci.yml @@ -190,7 +190,6 @@ jobs: env: AWS_ACCESS_KEY_ID: ${{ env.CACHES_AWS_ACCESS_KEY_ID }} AWS_SECRET_ACCESS_KEY: ${{ secrets[format('AWS_SECRET_ACCESS_KEY_{0}', env.CACHES_AWS_ACCESS_KEY_ID)] }} - TOOLSTATE_REPO_ACCESS_TOKEN: ${{ secrets.TOOLSTATE_REPO_ACCESS_TOKEN }} - name: create github artifacts run: src/ci/scripts/create-doc-artifacts.sh @@ -241,3 +240,5 @@ jobs: if: needs.calculate_matrix.outputs.run_type == 'auto' env: TOOLSTATE_REPO_ACCESS_TOKEN: ${{ secrets.TOOLSTATE_REPO_ACCESS_TOKEN }} + TOOLSTATE_ISSUES_API_URL: https://api.github.com/repos/rust-lang/rust/issues + TOOLSTATE_PUBLISH: 1 diff --git a/src/ci/github-actions/jobs.yml b/src/ci/github-actions/jobs.yml index 04888dc09b50..989fcc9f764b 100644 --- a/src/ci/github-actions/jobs.yml +++ b/src/ci/github-actions/jobs.yml @@ -50,8 +50,6 @@ envs: production: &production DEPLOY_BUCKET: rust-lang-ci2 - TOOLSTATE_ISSUES_API_URL: https://api.github.com/repos/rust-lang/rust/issues - TOOLSTATE_PUBLISH: 1 # AWS_SECRET_ACCESS_KEYs are stored in GitHub's secrets storage, named # AWS_SECRET_ACCESS_KEY_. Including the key id in the name allows to # rotate them in a single branch while keeping the old key in another diff --git a/src/tools/publish_toolstate.py b/src/tools/publish_toolstate.py index f9421117eaa2..860d21876de0 100755 --- a/src/tools/publish_toolstate.py +++ b/src/tools/publish_toolstate.py @@ -3,8 +3,7 @@ # This script computes the new "current" toolstate for the toolstate repo (not to be # confused with publishing the test results, which happens in `src/bootstrap/toolstate.rs`). -# It gets called from `src/ci/publish_toolstate.sh` when a new commit lands on `master` -# (i.e., after it passed all checks on `auto`). +# It gets called from `src/ci/publish_toolstate.sh` at the end of an `auto` build. from __future__ import print_function From 17bd43cb250ff3bf0c29d021e232969d9d1765fa Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Wed, 15 May 2024 17:33:26 +0200 Subject: [PATCH 0146/1716] codegen: tweak/extend shift comments --- compiler/rustc_codegen_ssa/src/base.rs | 9 +++++---- compiler/rustc_codegen_ssa/src/traits/builder.rs | 8 ++++++++ 2 files changed, 13 insertions(+), 4 deletions(-) diff --git a/compiler/rustc_codegen_ssa/src/base.rs b/compiler/rustc_codegen_ssa/src/base.rs index 877e5b75912e..e7cc2cb1a0b5 100644 --- a/compiler/rustc_codegen_ssa/src/base.rs +++ b/compiler/rustc_codegen_ssa/src/base.rs @@ -293,12 +293,13 @@ pub fn coerce_unsized_into<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>( } } -/// Returns `rhs` sufficiently masked, truncated, and/or extended so that -/// it can be used to shift `lhs`. +/// Returns `rhs` sufficiently masked, truncated, and/or extended so that it can be used to shift +/// `lhs`: it has the same size as `lhs`, and the value, when interpreted unsigned (no matter its +/// type), will not exceed the size of `lhs`. /// -/// Shifts in MIR are all allowed to have mismatched LHS & RHS types. +/// Shifts in MIR are all allowed to have mismatched LHS & RHS types, and signed RHS. /// The shift methods in `BuilderMethods`, however, are fully homogeneous -/// (both parameters and the return type are all the same type). +/// (both parameters and the return type are all the same size) and assume an unsigned RHS. /// /// If `is_unchecked` is false, this masks the RHS to ensure it stays in-bounds, /// as the `BuilderMethods` shifts are UB for out-of-bounds shift amounts. diff --git a/compiler/rustc_codegen_ssa/src/traits/builder.rs b/compiler/rustc_codegen_ssa/src/traits/builder.rs index fdeccb907008..11a8d218ae3d 100644 --- a/compiler/rustc_codegen_ssa/src/traits/builder.rs +++ b/compiler/rustc_codegen_ssa/src/traits/builder.rs @@ -110,8 +110,16 @@ pub trait BuilderMethods<'a, 'tcx>: fn frem(&mut self, lhs: Self::Value, rhs: Self::Value) -> Self::Value; fn frem_fast(&mut self, lhs: Self::Value, rhs: Self::Value) -> Self::Value; fn frem_algebraic(&mut self, lhs: Self::Value, rhs: Self::Value) -> Self::Value; + /// Generate a left-shift. Both operands must have the same size. The right operand must be + /// interpreted as unsigned and can be assumed to be less than the size of the left operand. fn shl(&mut self, lhs: Self::Value, rhs: Self::Value) -> Self::Value; + /// Generate a logical right-shift. Both operands must have the same size. The right operand + /// must be interpreted as unsigned and can be assumed to be less than the size of the left + /// operand. fn lshr(&mut self, lhs: Self::Value, rhs: Self::Value) -> Self::Value; + /// Generate an arithmetic right-shift. Both operands must have the same size. The right operand + /// must be interpreted as unsigned and can be assumed to be less than the size of the left + /// operand. fn ashr(&mut self, lhs: Self::Value, rhs: Self::Value) -> Self::Value; fn unchecked_sadd(&mut self, lhs: Self::Value, rhs: Self::Value) -> Self::Value; fn unchecked_uadd(&mut self, lhs: Self::Value, rhs: Self::Value) -> Self::Value; From d7d3bd12214e68f8163a3c0fef88715c39073723 Mon Sep 17 00:00:00 2001 From: David Koloski Date: Wed, 15 May 2024 15:40:52 +0000 Subject: [PATCH 0147/1716] Relax restrictions on multiple sanitizers Most combinations of LLVM sanitizers are legal-enough to enable simultaneously. This change will allow simultaneously enabling ASAN and shadow call stacks on supported platforms. --- compiler/rustc_session/src/session.rs | 14 +++--------- compiler/rustc_target/src/spec/mod.rs | 33 +++++++++++++++++++++++++++ 2 files changed, 36 insertions(+), 11 deletions(-) diff --git a/compiler/rustc_session/src/session.rs b/compiler/rustc_session/src/session.rs index 2bc14b43234d..f8f6aa27c12c 100644 --- a/compiler/rustc_session/src/session.rs +++ b/compiler/rustc_session/src/session.rs @@ -1181,9 +1181,9 @@ fn validate_commandline_args_with_session_available(sess: &Session) { }); } } - // Cannot mix and match sanitizers. - let mut sanitizer_iter = sess.opts.unstable_opts.sanitizer.into_iter(); - if let (Some(first), Some(second)) = (sanitizer_iter.next(), sanitizer_iter.next()) { + + // Cannot mix and match mutually-exclusive sanitizers. + if let Some((first, second)) = sess.opts.unstable_opts.sanitizer.mutually_exclusive() { sess.dcx().emit_err(errors::CannotMixAndMatchSanitizers { first: first.to_string(), second: second.to_string(), @@ -1218,14 +1218,6 @@ fn validate_commandline_args_with_session_available(sess: &Session) { sess.dcx().emit_err(errors::SanitizerCfiRequiresSingleCodegenUnit); } - // LLVM CFI is incompatible with LLVM KCFI. - if sess.is_sanitizer_cfi_enabled() && sess.is_sanitizer_kcfi_enabled() { - sess.dcx().emit_err(errors::CannotMixAndMatchSanitizers { - first: "cfi".to_string(), - second: "kcfi".to_string(), - }); - } - // Canonical jump tables requires CFI. if sess.is_sanitizer_cfi_canonical_jump_tables_disabled() { if !sess.is_sanitizer_cfi_enabled() { diff --git a/compiler/rustc_target/src/spec/mod.rs b/compiler/rustc_target/src/spec/mod.rs index 291a761913bf..256fc9983efa 100644 --- a/compiler/rustc_target/src/spec/mod.rs +++ b/compiler/rustc_target/src/spec/mod.rs @@ -1316,6 +1316,32 @@ bitflags::bitflags! { rustc_data_structures::external_bitflags_debug! { SanitizerSet } impl SanitizerSet { + const MUTUALLY_EXCLUSIVE: &'static [(SanitizerSet, SanitizerSet)] = &[ + (SanitizerSet::MEMORY, SanitizerSet::ADDRESS), + (SanitizerSet::MEMORY, SanitizerSet::LEAK), + (SanitizerSet::THREAD, SanitizerSet::ADDRESS), + (SanitizerSet::THREAD, SanitizerSet::LEAK), + (SanitizerSet::THREAD, SanitizerSet::MEMORY), + (SanitizerSet::HWADDRESS, SanitizerSet::ADDRESS), + (SanitizerSet::HWADDRESS, SanitizerSet::MEMORY), + (SanitizerSet::HWADDRESS, SanitizerSet::THREAD), + (SanitizerSet::MEMTAG, SanitizerSet::ADDRESS), + (SanitizerSet::MEMTAG, SanitizerSet::HWADDRESS), + (SanitizerSet::KCFI, SanitizerSet::CFI), + (SanitizerSet::KERNELADDRESS, SanitizerSet::ADDRESS), + (SanitizerSet::KERNELADDRESS, SanitizerSet::LEAK), + (SanitizerSet::KERNELADDRESS, SanitizerSet::MEMORY), + (SanitizerSet::KERNELADDRESS, SanitizerSet::THREAD), + (SanitizerSet::KERNELADDRESS, SanitizerSet::HWADDRESS), + (SanitizerSet::KERNELADDRESS, SanitizerSet::MEMTAG), + (SanitizerSet::SAFESTACK, SanitizerSet::ADDRESS), + (SanitizerSet::SAFESTACK, SanitizerSet::LEAK), + (SanitizerSet::SAFESTACK, SanitizerSet::MEMORY), + (SanitizerSet::SAFESTACK, SanitizerSet::THREAD), + (SanitizerSet::SAFESTACK, SanitizerSet::HWADDRESS), + (SanitizerSet::SAFESTACK, SanitizerSet::KERNELADDRESS), + ]; + /// Return sanitizer's name /// /// Returns none if the flags is a set of sanitizers numbering not exactly one. @@ -1336,6 +1362,13 @@ impl SanitizerSet { _ => return None, }) } + + pub fn mutually_exclusive(self) -> Option<(SanitizerSet, SanitizerSet)> { + Self::MUTUALLY_EXCLUSIVE + .into_iter() + .find(|&(a, b)| self.contains(*a) && self.contains(*b)) + .copied() + } } /// Formats a sanitizer set as a comma separated list of sanitizers' names. From 1b934f3e8cb3c01dfcc8a5a8b23ebae8a41c2b4b Mon Sep 17 00:00:00 2001 From: David Koloski Date: Wed, 15 May 2024 15:40:52 +0000 Subject: [PATCH 0148/1716] Sort mutually-exclusive pairs, update fixed tests --- compiler/rustc_target/src/spec/mod.rs | 46 +++++++++---------- ...i-is-incompatible-with-kcfi.aarch64.stderr | 6 +-- ...fi-is-incompatible-with-kcfi.x86_64.stderr | 6 +-- 3 files changed, 25 insertions(+), 33 deletions(-) diff --git a/compiler/rustc_target/src/spec/mod.rs b/compiler/rustc_target/src/spec/mod.rs index 256fc9983efa..73c7e9d4aa43 100644 --- a/compiler/rustc_target/src/spec/mod.rs +++ b/compiler/rustc_target/src/spec/mod.rs @@ -1317,29 +1317,29 @@ rustc_data_structures::external_bitflags_debug! { SanitizerSet } impl SanitizerSet { const MUTUALLY_EXCLUSIVE: &'static [(SanitizerSet, SanitizerSet)] = &[ - (SanitizerSet::MEMORY, SanitizerSet::ADDRESS), - (SanitizerSet::MEMORY, SanitizerSet::LEAK), - (SanitizerSet::THREAD, SanitizerSet::ADDRESS), - (SanitizerSet::THREAD, SanitizerSet::LEAK), - (SanitizerSet::THREAD, SanitizerSet::MEMORY), - (SanitizerSet::HWADDRESS, SanitizerSet::ADDRESS), - (SanitizerSet::HWADDRESS, SanitizerSet::MEMORY), - (SanitizerSet::HWADDRESS, SanitizerSet::THREAD), - (SanitizerSet::MEMTAG, SanitizerSet::ADDRESS), - (SanitizerSet::MEMTAG, SanitizerSet::HWADDRESS), - (SanitizerSet::KCFI, SanitizerSet::CFI), - (SanitizerSet::KERNELADDRESS, SanitizerSet::ADDRESS), - (SanitizerSet::KERNELADDRESS, SanitizerSet::LEAK), - (SanitizerSet::KERNELADDRESS, SanitizerSet::MEMORY), - (SanitizerSet::KERNELADDRESS, SanitizerSet::THREAD), - (SanitizerSet::KERNELADDRESS, SanitizerSet::HWADDRESS), - (SanitizerSet::KERNELADDRESS, SanitizerSet::MEMTAG), - (SanitizerSet::SAFESTACK, SanitizerSet::ADDRESS), - (SanitizerSet::SAFESTACK, SanitizerSet::LEAK), - (SanitizerSet::SAFESTACK, SanitizerSet::MEMORY), - (SanitizerSet::SAFESTACK, SanitizerSet::THREAD), - (SanitizerSet::SAFESTACK, SanitizerSet::HWADDRESS), - (SanitizerSet::SAFESTACK, SanitizerSet::KERNELADDRESS), + (SanitizerSet::ADDRESS, SanitizerSet::MEMORY), + (SanitizerSet::ADDRESS, SanitizerSet::THREAD), + (SanitizerSet::ADDRESS, SanitizerSet::HWADDRESS), + (SanitizerSet::ADDRESS, SanitizerSet::MEMTAG), + (SanitizerSet::ADDRESS, SanitizerSet::KERNELADDRESS), + (SanitizerSet::ADDRESS, SanitizerSet::SAFESTACK), + (SanitizerSet::LEAK, SanitizerSet::MEMORY), + (SanitizerSet::LEAK, SanitizerSet::THREAD), + (SanitizerSet::LEAK, SanitizerSet::KERNELADDRESS), + (SanitizerSet::LEAK, SanitizerSet::SAFESTACK), + (SanitizerSet::MEMORY, SanitizerSet::THREAD), + (SanitizerSet::MEMORY, SanitizerSet::HWADDRESS), + (SanitizerSet::MEMORY, SanitizerSet::KERNELADDRESS), + (SanitizerSet::MEMORY, SanitizerSet::SAFESTACK), + (SanitizerSet::THREAD, SanitizerSet::HWADDRESS), + (SanitizerSet::THREAD, SanitizerSet::KERNELADDRESS), + (SanitizerSet::THREAD, SanitizerSet::SAFESTACK), + (SanitizerSet::HWADDRESS, SanitizerSet::MEMTAG), + (SanitizerSet::HWADDRESS, SanitizerSet::KERNELADDRESS), + (SanitizerSet::HWADDRESS, SanitizerSet::SAFESTACK), + (SanitizerSet::CFI, SanitizerSet::KCFI), + (SanitizerSet::MEMTAG, SanitizerSet::KERNELADDRESS), + (SanitizerSet::KERNELADDRESS, SanitizerSet::SAFESTACK), ]; /// Return sanitizer's name diff --git a/tests/ui/sanitizer/cfi-is-incompatible-with-kcfi.aarch64.stderr b/tests/ui/sanitizer/cfi-is-incompatible-with-kcfi.aarch64.stderr index 1006c3bc17ef..7f596a19104e 100644 --- a/tests/ui/sanitizer/cfi-is-incompatible-with-kcfi.aarch64.stderr +++ b/tests/ui/sanitizer/cfi-is-incompatible-with-kcfi.aarch64.stderr @@ -2,9 +2,5 @@ error: cfi sanitizer is not supported for this target error: `-Zsanitizer=cfi` is incompatible with `-Zsanitizer=kcfi` -error: `-Zsanitizer=cfi` is incompatible with `-Zsanitizer=kcfi` - | - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` - -error: aborting due to 3 previous errors +error: aborting due to 2 previous errors diff --git a/tests/ui/sanitizer/cfi-is-incompatible-with-kcfi.x86_64.stderr b/tests/ui/sanitizer/cfi-is-incompatible-with-kcfi.x86_64.stderr index 1006c3bc17ef..7f596a19104e 100644 --- a/tests/ui/sanitizer/cfi-is-incompatible-with-kcfi.x86_64.stderr +++ b/tests/ui/sanitizer/cfi-is-incompatible-with-kcfi.x86_64.stderr @@ -2,9 +2,5 @@ error: cfi sanitizer is not supported for this target error: `-Zsanitizer=cfi` is incompatible with `-Zsanitizer=kcfi` -error: `-Zsanitizer=cfi` is incompatible with `-Zsanitizer=kcfi` - | - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` - -error: aborting due to 3 previous errors +error: aborting due to 2 previous errors From 5976494deb022fdb1b408d9ba3896c43adb44517 Mon Sep 17 00:00:00 2001 From: David Koloski Date: Wed, 15 May 2024 15:40:53 +0000 Subject: [PATCH 0149/1716] Don't link lsan rt if asan or hwasan are enabled --- compiler/rustc_codegen_ssa/src/back/link.rs | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/compiler/rustc_codegen_ssa/src/back/link.rs b/compiler/rustc_codegen_ssa/src/back/link.rs index b458f325b737..d94ab37c3418 100644 --- a/compiler/rustc_codegen_ssa/src/back/link.rs +++ b/compiler/rustc_codegen_ssa/src/back/link.rs @@ -1229,7 +1229,10 @@ fn add_sanitizer_libraries( if sanitizer.contains(SanitizerSet::DATAFLOW) { link_sanitizer_runtime(sess, flavor, linker, "dfsan"); } - if sanitizer.contains(SanitizerSet::LEAK) { + if sanitizer.contains(SanitizerSet::LEAK) + && !sanitizer.contains(SanitizerSet::ADDRESS) + && !sanitizer.contains(SanitizerSet::HWADDRESS) + { link_sanitizer_runtime(sess, flavor, linker, "lsan"); } if sanitizer.contains(SanitizerSet::MEMORY) { From 4be041a2cd9f134ee42579beb14840b9abebcb75 Mon Sep 17 00:00:00 2001 From: Zachary S Date: Wed, 15 May 2024 10:00:42 -0500 Subject: [PATCH 0150/1716] Also apply `warn(for_loops_over_fallibles)` to &T and &mut T, not just T = Result/Option. --- compiler/rustc_lint/src/for_loops_over_fallibles.rs | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/compiler/rustc_lint/src/for_loops_over_fallibles.rs b/compiler/rustc_lint/src/for_loops_over_fallibles.rs index a6876d8aae79..d766393db29a 100644 --- a/compiler/rustc_lint/src/for_loops_over_fallibles.rs +++ b/compiler/rustc_lint/src/for_loops_over_fallibles.rs @@ -52,7 +52,15 @@ impl<'tcx> LateLintPass<'tcx> for ForLoopsOverFallibles { let ty = cx.typeck_results().expr_ty(arg); - let &ty::Adt(adt, args) = ty.kind() else { return }; + // let &ty::Adt(adt, args) = ty.kind() else { return }; + let (adt, args, _) = match ty.kind() { + &ty::Adt(adt, args) => (adt, args, None), + &ty::Ref(_, ty, mutability) => match ty.kind() { + &ty::Adt(adt, args) => (adt, args, Some(mutability)), + _ => return, + }, + _ => return, + }; let (article, ty, var) = match adt.did() { did if cx.tcx.is_diagnostic_item(sym::Option, did) => ("an", "Option", "Some"), From 7d7eb973d0118a52209e5ee7adafc29b341957f0 Mon Sep 17 00:00:00 2001 From: Zachary S Date: Wed, 15 May 2024 10:01:06 -0500 Subject: [PATCH 0151/1716] Fix new for_loops_over_fallibles hits in compiler. --- compiler/rustc_builtin_macros/src/deriving/default.rs | 4 ++-- compiler/rustc_resolve/src/late.rs | 8 ++++---- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/compiler/rustc_builtin_macros/src/deriving/default.rs b/compiler/rustc_builtin_macros/src/deriving/default.rs index bf92ddb33701..577523a1d5a3 100644 --- a/compiler/rustc_builtin_macros/src/deriving/default.rs +++ b/compiler/rustc_builtin_macros/src/deriving/default.rs @@ -3,7 +3,7 @@ use crate::deriving::generic::*; use crate::errors; use core::ops::ControlFlow; use rustc_ast as ast; -use rustc_ast::visit::walk_list; +use rustc_ast::visit::visit_opt; use rustc_ast::{attr, EnumDef, VariantData}; use rustc_expand::base::{Annotatable, DummyResult, ExtCtxt}; use rustc_span::symbol::Ident; @@ -224,7 +224,7 @@ impl<'a, 'b> rustc_ast::visit::Visitor<'a> for DetectNonVariantDefaultAttr<'a, ' self.visit_ident(v.ident); self.visit_vis(&v.vis); self.visit_variant_data(&v.data); - walk_list!(self, visit_anon_const, &v.disr_expr); + visit_opt!(self, visit_anon_const, &v.disr_expr); for attr in &v.attrs { rustc_ast::visit::walk_attribute(self, attr); } diff --git a/compiler/rustc_resolve/src/late.rs b/compiler/rustc_resolve/src/late.rs index 322f2922f925..796e3e38aebf 100644 --- a/compiler/rustc_resolve/src/late.rs +++ b/compiler/rustc_resolve/src/late.rs @@ -12,7 +12,7 @@ use crate::{Module, ModuleOrUniformRoot, NameBinding, ParentScope, PathResult}; use crate::{ResolutionError, Resolver, Segment, UseError}; use rustc_ast::ptr::P; -use rustc_ast::visit::{walk_list, AssocCtxt, BoundKind, FnCtxt, FnKind, Visitor}; +use rustc_ast::visit::{visit_opt, walk_list, AssocCtxt, BoundKind, FnCtxt, FnKind, Visitor}; use rustc_ast::*; use rustc_data_structures::fx::{FxHashMap, FxHashSet, FxIndexMap}; use rustc_errors::{codes::*, Applicability, DiagArgValue, IntoDiagArg, StashKey}; @@ -3286,7 +3286,7 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { fn resolve_local(&mut self, local: &'ast Local) { debug!("resolving local ({:?})", local); // Resolve the type. - walk_list!(self, visit_ty, &local.ty); + visit_opt!(self, visit_ty, &local.ty); // Resolve the initializer. if let Some((init, els)) = local.kind.init_else_opt() { @@ -3485,8 +3485,8 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { fn resolve_arm(&mut self, arm: &'ast Arm) { self.with_rib(ValueNS, RibKind::Normal, |this| { this.resolve_pattern_top(&arm.pat, PatternSource::Match); - walk_list!(this, visit_expr, &arm.guard); - walk_list!(this, visit_expr, &arm.body); + visit_opt!(this, visit_expr, &arm.guard); + visit_opt!(this, visit_expr, &arm.body); }); } From 77f288c18d638f3cfda91810e0c4fb6a6c7e6963 Mon Sep 17 00:00:00 2001 From: Zachary S Date: Wed, 15 May 2024 10:59:13 -0500 Subject: [PATCH 0152/1716] Include reference in lint diagnostic --- compiler/rustc_lint/messages.ftl | 2 +- compiler/rustc_lint/src/for_loops_over_fallibles.rs | 10 +++++++--- compiler/rustc_lint/src/lints.rs | 1 + 3 files changed, 9 insertions(+), 4 deletions(-) diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index 5180fce2eb37..8c9ad5b6c6b7 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -215,7 +215,7 @@ lint_expectation = this lint expectation is unfulfilled .rationale = {$rationale} lint_for_loops_over_fallibles = - for loop over {$article} `{$ty}`. This is more readably written as an `if let` statement + for loop over {$article} `{$ref_prefix}{$ty}`. This is more readably written as an `if let` statement .suggestion = consider using `if let` to clear intent .remove_next = to iterate over `{$recv_snip}` remove the call to `next` .use_while_let = to check pattern in a loop use `while let` diff --git a/compiler/rustc_lint/src/for_loops_over_fallibles.rs b/compiler/rustc_lint/src/for_loops_over_fallibles.rs index d766393db29a..12a790bb0faf 100644 --- a/compiler/rustc_lint/src/for_loops_over_fallibles.rs +++ b/compiler/rustc_lint/src/for_loops_over_fallibles.rs @@ -52,8 +52,7 @@ impl<'tcx> LateLintPass<'tcx> for ForLoopsOverFallibles { let ty = cx.typeck_results().expr_ty(arg); - // let &ty::Adt(adt, args) = ty.kind() else { return }; - let (adt, args, _) = match ty.kind() { + let (adt, args, ref_mutability) = match ty.kind() { &ty::Adt(adt, args) => (adt, args, None), &ty::Ref(_, ty, mutability) => match ty.kind() { &ty::Adt(adt, args) => (adt, args, Some(mutability)), @@ -68,6 +67,11 @@ impl<'tcx> LateLintPass<'tcx> for ForLoopsOverFallibles { _ => return, }; + let ref_prefix = match ref_mutability { + None => "", + Some(ref_mutability) => ref_mutability.ref_prefix_str(), + }; + let sub = if let Some(recv) = extract_iterator_next_call(cx, arg) && let Ok(recv_snip) = cx.sess().source_map().span_to_snippet(recv.span) { @@ -93,7 +97,7 @@ impl<'tcx> LateLintPass<'tcx> for ForLoopsOverFallibles { cx.emit_span_lint( FOR_LOOPS_OVER_FALLIBLES, arg.span, - ForLoopsOverFalliblesDiag { article, ty, sub, question_mark, suggestion }, + ForLoopsOverFalliblesDiag { article, ref_prefix, ty, sub, question_mark, suggestion }, ); } } diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index 7efa5245baa2..382532b17880 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -613,6 +613,7 @@ pub enum PtrNullChecksDiag<'a> { #[diag(lint_for_loops_over_fallibles)] pub struct ForLoopsOverFalliblesDiag<'a> { pub article: &'static str, + pub ref_prefix: &'static str, pub ty: &'static str, #[subdiagnostic] pub sub: ForLoopsOverFalliblesLoopSub<'a>, From ea549fd1761c8f1fbc99df2ad7d3c1ac7d8f7824 Mon Sep 17 00:00:00 2001 From: Zachary S Date: Wed, 15 May 2024 11:53:40 -0500 Subject: [PATCH 0153/1716] Add tests for 'Also apply `warn(for_loops_over_fallibles)` to &T and &mut T, not just T = Result/Option.' --- tests/ui/lint/for_loop_over_fallibles.rs | 22 +++++++ tests/ui/lint/for_loop_over_fallibles.stderr | 62 +++++++++++++++++++- 2 files changed, 83 insertions(+), 1 deletion(-) diff --git a/tests/ui/lint/for_loop_over_fallibles.rs b/tests/ui/lint/for_loop_over_fallibles.rs index 52c3b8f2aae5..76049453126b 100644 --- a/tests/ui/lint/for_loop_over_fallibles.rs +++ b/tests/ui/lint/for_loop_over_fallibles.rs @@ -41,3 +41,25 @@ fn _returns_result() -> Result<(), ()> { Ok(()) } + +fn _by_ref() { + // Shared refs + for _ in &Some(1) {} + //~^ WARN for loop over an `&Option`. This is more readably written as an `if let` statement + //~| HELP to check pattern in a loop use `while let` + //~| HELP consider using `if let` to clear intent + for _ in &Ok::<_, ()>(1) {} + //~^ WARN for loop over a `&Result`. This is more readably written as an `if let` statement + //~| HELP to check pattern in a loop use `while let` + //~| HELP consider using `if let` to clear intent + + // Mutable refs + for _ in &mut Some(1) {} + //~^ WARN for loop over an `&mut Option`. This is more readably written as an `if let` statement + //~| HELP to check pattern in a loop use `while let` + //~| HELP consider using `if let` to clear intent + for _ in &mut Ok::<_, ()>(1) {} + //~^ WARN for loop over a `&mut Result`. This is more readably written as an `if let` statement + //~| HELP to check pattern in a loop use `while let` + //~| HELP consider using `if let` to clear intent +} diff --git a/tests/ui/lint/for_loop_over_fallibles.stderr b/tests/ui/lint/for_loop_over_fallibles.stderr index 96efdf85c490..00134e468ba6 100644 --- a/tests/ui/lint/for_loop_over_fallibles.stderr +++ b/tests/ui/lint/for_loop_over_fallibles.stderr @@ -97,5 +97,65 @@ help: consider using `if let` to clear intent LL | if let Ok(_) = Ok::<_, ()>([0; 0]) {} | ~~~~~~~~~~ ~~~ -warning: 6 warnings emitted +warning: for loop over an `&Option`. This is more readably written as an `if let` statement + --> $DIR/for_loop_over_fallibles.rs:47:14 + | +LL | for _ in &Some(1) {} + | ^^^^^^^^ + | +help: to check pattern in a loop use `while let` + | +LL | while let Some(_) = &Some(1) {} + | ~~~~~~~~~~~~~~~ ~~~ +help: consider using `if let` to clear intent + | +LL | if let Some(_) = &Some(1) {} + | ~~~~~~~~~~~~ ~~~ + +warning: for loop over a `&Result`. This is more readably written as an `if let` statement + --> $DIR/for_loop_over_fallibles.rs:51:14 + | +LL | for _ in &Ok::<_, ()>(1) {} + | ^^^^^^^^^^^^^^^ + | +help: to check pattern in a loop use `while let` + | +LL | while let Ok(_) = &Ok::<_, ()>(1) {} + | ~~~~~~~~~~~~~ ~~~ +help: consider using `if let` to clear intent + | +LL | if let Ok(_) = &Ok::<_, ()>(1) {} + | ~~~~~~~~~~ ~~~ + +warning: for loop over an `&mut Option`. This is more readably written as an `if let` statement + --> $DIR/for_loop_over_fallibles.rs:57:14 + | +LL | for _ in &mut Some(1) {} + | ^^^^^^^^^^^^ + | +help: to check pattern in a loop use `while let` + | +LL | while let Some(_) = &mut Some(1) {} + | ~~~~~~~~~~~~~~~ ~~~ +help: consider using `if let` to clear intent + | +LL | if let Some(_) = &mut Some(1) {} + | ~~~~~~~~~~~~ ~~~ + +warning: for loop over a `&mut Result`. This is more readably written as an `if let` statement + --> $DIR/for_loop_over_fallibles.rs:61:14 + | +LL | for _ in &mut Ok::<_, ()>(1) {} + | ^^^^^^^^^^^^^^^^^^^ + | +help: to check pattern in a loop use `while let` + | +LL | while let Ok(_) = &mut Ok::<_, ()>(1) {} + | ~~~~~~~~~~~~~ ~~~ +help: consider using `if let` to clear intent + | +LL | if let Ok(_) = &mut Ok::<_, ()>(1) {} + | ~~~~~~~~~~ ~~~ + +warning: 10 warnings emitted From 0e467596ffa85c68504b94b951a0c32fefb3c889 Mon Sep 17 00:00:00 2001 From: Zachary S Date: Wed, 15 May 2024 12:17:25 -0500 Subject: [PATCH 0154/1716] Fix more new for_loops_over_fallibles hits in compiler. --- compiler/rustc_hir_analysis/src/check/region.rs | 4 ++-- compiler/rustc_mir_build/src/build/matches/mod.rs | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/compiler/rustc_hir_analysis/src/check/region.rs b/compiler/rustc_hir_analysis/src/check/region.rs index 4540310937d0..e51f95eed021 100644 --- a/compiler/rustc_hir_analysis/src/check/region.rs +++ b/compiler/rustc_hir_analysis/src/check/region.rs @@ -6,7 +6,7 @@ //! //! [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/borrow_check.html -use rustc_ast::visit::walk_list; +use rustc_ast::visit::visit_opt; use rustc_data_structures::fx::FxHashSet; use rustc_hir as hir; use rustc_hir::def_id::DefId; @@ -168,7 +168,7 @@ fn resolve_block<'tcx>(visitor: &mut RegionResolutionVisitor<'tcx>, blk: &'tcx h hir::StmtKind::Expr(..) | hir::StmtKind::Semi(..) => visitor.visit_stmt(statement), } } - walk_list!(visitor, visit_expr, &blk.expr); + visit_opt!(visitor, visit_expr, &blk.expr); } visitor.cx = prev_cx; diff --git a/compiler/rustc_mir_build/src/build/matches/mod.rs b/compiler/rustc_mir_build/src/build/matches/mod.rs index 3fc719394bf9..d948354bc495 100644 --- a/compiler/rustc_mir_build/src/build/matches/mod.rs +++ b/compiler/rustc_mir_build/src/build/matches/mod.rs @@ -925,7 +925,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { for subpattern in prefix.iter() { self.visit_primary_bindings(subpattern, pattern_user_ty.clone().index(), f); } - for subpattern in slice { + if let Some(subpattern) = slice { self.visit_primary_bindings( subpattern, pattern_user_ty.clone().subslice(from, to), From 66573b70a9b1807337f1980538d524e1dfd2aba1 Mon Sep 17 00:00:00 2001 From: Zachary S Date: Wed, 15 May 2024 12:45:52 -0500 Subject: [PATCH 0155/1716] Use 'a' article for &Option. --- compiler/rustc_lint/src/for_loops_over_fallibles.rs | 1 + 1 file changed, 1 insertion(+) diff --git a/compiler/rustc_lint/src/for_loops_over_fallibles.rs b/compiler/rustc_lint/src/for_loops_over_fallibles.rs index 12a790bb0faf..b05f5e7638b4 100644 --- a/compiler/rustc_lint/src/for_loops_over_fallibles.rs +++ b/compiler/rustc_lint/src/for_loops_over_fallibles.rs @@ -62,6 +62,7 @@ impl<'tcx> LateLintPass<'tcx> for ForLoopsOverFallibles { }; let (article, ty, var) = match adt.did() { + did if cx.tcx.is_diagnostic_item(sym::Option, did) && ref_mutability.is_some() => ("a", "Option", "Some"), did if cx.tcx.is_diagnostic_item(sym::Option, did) => ("an", "Option", "Some"), did if cx.tcx.is_diagnostic_item(sym::Result, did) => ("a", "Result", "Ok"), _ => return, From 6b818ddac61e9771e3b97f17d8ab21cf9f7bc2de Mon Sep 17 00:00:00 2001 From: Zachary S Date: Wed, 15 May 2024 13:15:59 -0500 Subject: [PATCH 0156/1716] Fix article in test --- tests/ui/lint/for_loop_over_fallibles.rs | 4 ++-- tests/ui/lint/for_loop_over_fallibles.stderr | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/tests/ui/lint/for_loop_over_fallibles.rs b/tests/ui/lint/for_loop_over_fallibles.rs index 76049453126b..89ac20c35217 100644 --- a/tests/ui/lint/for_loop_over_fallibles.rs +++ b/tests/ui/lint/for_loop_over_fallibles.rs @@ -45,7 +45,7 @@ fn _returns_result() -> Result<(), ()> { fn _by_ref() { // Shared refs for _ in &Some(1) {} - //~^ WARN for loop over an `&Option`. This is more readably written as an `if let` statement + //~^ WARN for loop over a `&Option`. This is more readably written as an `if let` statement //~| HELP to check pattern in a loop use `while let` //~| HELP consider using `if let` to clear intent for _ in &Ok::<_, ()>(1) {} @@ -55,7 +55,7 @@ fn _by_ref() { // Mutable refs for _ in &mut Some(1) {} - //~^ WARN for loop over an `&mut Option`. This is more readably written as an `if let` statement + //~^ WARN for loop over a `&mut Option`. This is more readably written as an `if let` statement //~| HELP to check pattern in a loop use `while let` //~| HELP consider using `if let` to clear intent for _ in &mut Ok::<_, ()>(1) {} diff --git a/tests/ui/lint/for_loop_over_fallibles.stderr b/tests/ui/lint/for_loop_over_fallibles.stderr index 00134e468ba6..f695de082572 100644 --- a/tests/ui/lint/for_loop_over_fallibles.stderr +++ b/tests/ui/lint/for_loop_over_fallibles.stderr @@ -97,7 +97,7 @@ help: consider using `if let` to clear intent LL | if let Ok(_) = Ok::<_, ()>([0; 0]) {} | ~~~~~~~~~~ ~~~ -warning: for loop over an `&Option`. This is more readably written as an `if let` statement +warning: for loop over a `&Option`. This is more readably written as an `if let` statement --> $DIR/for_loop_over_fallibles.rs:47:14 | LL | for _ in &Some(1) {} @@ -127,7 +127,7 @@ help: consider using `if let` to clear intent LL | if let Ok(_) = &Ok::<_, ()>(1) {} | ~~~~~~~~~~ ~~~ -warning: for loop over an `&mut Option`. This is more readably written as an `if let` statement +warning: for loop over a `&mut Option`. This is more readably written as an `if let` statement --> $DIR/for_loop_over_fallibles.rs:57:14 | LL | for _ in &mut Some(1) {} From 376a8c0ae5ad6cb8d0c5d6631874bdd3c950436f Mon Sep 17 00:00:00 2001 From: Zachary S Date: Wed, 15 May 2024 13:51:16 -0500 Subject: [PATCH 0157/1716] Allow for_loops_over_fallibles in test that tests &mut Result as IntoIterator. --- library/core/tests/result.rs | 1 + 1 file changed, 1 insertion(+) diff --git a/library/core/tests/result.rs b/library/core/tests/result.rs index a47ef7aa1ebc..00a6fd75b4f4 100644 --- a/library/core/tests/result.rs +++ b/library/core/tests/result.rs @@ -170,6 +170,7 @@ pub fn test_iter() { } #[test] +#[allow(for_loops_over_fallibles)] pub fn test_iter_mut() { let mut ok: Result = Ok(100); for loc in ok.iter_mut() { From a32fb2f8aa0780af750189356a06d501a72698b7 Mon Sep 17 00:00:00 2001 From: Jules Bertholet Date: Wed, 15 May 2024 15:11:23 -0400 Subject: [PATCH 0158/1716] Remove `ref_pat_everywhere` --- compiler/rustc_feature/src/removed.rs | 1 + compiler/rustc_feature/src/unstable.rs | 2 - compiler/rustc_hir_typeck/src/pat.rs | 65 ++++--------------- .../feature-gate-ref_pat_everywhere.rs | 14 ---- .../feature-gate-ref_pat_everywhere.stderr | 49 -------------- tests/ui/match/ref_pat_everywhere-fail.rs | 12 ---- tests/ui/match/ref_pat_everywhere-fail.stderr | 38 ----------- tests/ui/match/ref_pat_everywhere.rs | 24 ------- 8 files changed, 14 insertions(+), 191 deletions(-) delete mode 100644 tests/ui/feature-gates/feature-gate-ref_pat_everywhere.rs delete mode 100644 tests/ui/feature-gates/feature-gate-ref_pat_everywhere.stderr delete mode 100644 tests/ui/match/ref_pat_everywhere-fail.rs delete mode 100644 tests/ui/match/ref_pat_everywhere-fail.stderr delete mode 100644 tests/ui/match/ref_pat_everywhere.rs diff --git a/compiler/rustc_feature/src/removed.rs b/compiler/rustc_feature/src/removed.rs index eaaf7ca34e01..f1afde31803e 100644 --- a/compiler/rustc_feature/src/removed.rs +++ b/compiler/rustc_feature/src/removed.rs @@ -181,6 +181,7 @@ declare_features! ( (removed, pushpop_unsafe, "1.2.0", None, None), (removed, quad_precision_float, "1.0.0", None, None), (removed, quote, "1.33.0", Some(29601), None), + (removed, ref_pat_everywhere, "1.79.0", Some(123076), Some("superseded by `ref_pat_eat_one_layer_2024")), (removed, reflect, "1.0.0", Some(27749), None), /// Allows using the `#[register_attr]` attribute. (removed, register_attr, "1.65.0", Some(66080), diff --git a/compiler/rustc_feature/src/unstable.rs b/compiler/rustc_feature/src/unstable.rs index 60b386acf910..1a058a121f3a 100644 --- a/compiler/rustc_feature/src/unstable.rs +++ b/compiler/rustc_feature/src/unstable.rs @@ -571,8 +571,6 @@ declare_features! ( (unstable, raw_ref_op, "1.41.0", Some(64490)), /// Makes `&` and `&mut` patterns eat only one layer of references in Rust 2024. (incomplete, ref_pat_eat_one_layer_2024, "1.79.0", Some(123076)), - /// Allows `&` and `&mut` patterns to consume match-ergonomics-inserted references. - (incomplete, ref_pat_everywhere, "1.79.0", Some(123076)), /// Allows using the `#[register_tool]` attribute. (unstable, register_tool, "1.41.0", Some(66079)), /// Allows the `#[repr(i128)]` attribute for enums. diff --git a/compiler/rustc_hir_typeck/src/pat.rs b/compiler/rustc_hir_typeck/src/pat.rs index b9b220d5af8e..d2897f1c0113 100644 --- a/compiler/rustc_hir_typeck/src/pat.rs +++ b/compiler/rustc_hir_typeck/src/pat.rs @@ -2125,25 +2125,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { mut expected: Ty<'tcx>, mut pat_info: PatInfo<'tcx, '_>, ) -> Ty<'tcx> { - // FIXME: repace with `bool` once final decision on 1 vs 2 layers is made - #[derive(Clone, Copy, Debug, PartialEq, Eq)] - enum MatchErgonomicsMode { - EatOneLayer, - EatTwoLayers, - Legacy, - } + let new_match_ergonomics = + pat.span.at_least_rust_2024() && self.tcx.features().ref_pat_eat_one_layer_2024; - let match_ergonomics_mode = - if pat.span.at_least_rust_2024() && self.tcx.features().ref_pat_eat_one_layer_2024 { - MatchErgonomicsMode::EatOneLayer - } else if self.tcx.features().ref_pat_everywhere { - MatchErgonomicsMode::EatTwoLayers - } else { - MatchErgonomicsMode::Legacy - }; - - let mut inherited_ref_mutbl_match = false; - if match_ergonomics_mode != MatchErgonomicsMode::Legacy { + if new_match_ergonomics { if pat_mutbl == Mutability::Not { // Prevent the inner pattern from binding with `ref mut`. pat_info.max_ref_mutbl = pat_info.max_ref_mutbl.cap_to_weakly_not( @@ -2151,20 +2136,14 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ); } - if let ByRef::Yes(inh_mut) = pat_info.binding_mode { - inherited_ref_mutbl_match = pat_mutbl <= inh_mut; - } - - if inherited_ref_mutbl_match { - pat_info.binding_mode = ByRef::No; - if match_ergonomics_mode == MatchErgonomicsMode::EatOneLayer { - self.typeck_results.borrow_mut().skipped_ref_pats_mut().insert(pat.hir_id); - self.check_pat(inner, expected, pat_info); - return expected; - } - } else if match_ergonomics_mode == MatchErgonomicsMode::EatOneLayer - && pat_mutbl == Mutability::Mut + if let ByRef::Yes(inh_mut) = pat_info.binding_mode + && pat_mutbl <= inh_mut { + pat_info.binding_mode = ByRef::No; + self.typeck_results.borrow_mut().skipped_ref_pats_mut().insert(pat.hir_id); + self.check_pat(inner, expected, pat_info); + return expected; + } else if pat_mutbl == Mutability::Mut { // `&mut` patterns pell off `&` references let (new_expected, new_bm, max_ref_mutbl) = self.peel_off_references( pat, @@ -2204,33 +2183,15 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // the bad interactions of the given hack detailed in (note_1). debug!("check_pat_ref: expected={:?}", expected); match *expected.kind() { - ty::Ref(_, r_ty, r_mutbl) if r_mutbl == pat_mutbl => { - if r_mutbl == Mutability::Not - && match_ergonomics_mode != MatchErgonomicsMode::Legacy - { + ty::Ref(_, r_ty, r_mutbl) if r_mutbl >= pat_mutbl && new_match_ergonomics => { + if r_mutbl == Mutability::Not { pat_info.max_ref_mutbl = MutblCap::Not; } (expected, r_ty) } - // `&` pattern eats `&mut` reference - ty::Ref(_, r_ty, Mutability::Mut) - if pat_mutbl == Mutability::Not - && match_ergonomics_mode != MatchErgonomicsMode::Legacy => - { - (expected, r_ty) - } - - _ if inherited_ref_mutbl_match - && match_ergonomics_mode == MatchErgonomicsMode::EatTwoLayers => - { - // We already matched against a match-ergonmics inserted reference, - // so we don't need to match against a reference from the original type. - // Save this info for use in lowering later - self.typeck_results.borrow_mut().skipped_ref_pats_mut().insert(pat.hir_id); - (expected, expected) - } + ty::Ref(_, r_ty, r_mutbl) if r_mutbl == pat_mutbl => (expected, r_ty), _ => { let inner_ty = self.next_ty_var(inner.span); diff --git a/tests/ui/feature-gates/feature-gate-ref_pat_everywhere.rs b/tests/ui/feature-gates/feature-gate-ref_pat_everywhere.rs deleted file mode 100644 index ed5db56e0e83..000000000000 --- a/tests/ui/feature-gates/feature-gate-ref_pat_everywhere.rs +++ /dev/null @@ -1,14 +0,0 @@ -pub fn main() { - if let Some(Some(&x)) = &Some(&Some(0)) { - //~^ ERROR: mismatched types [E0308] - let _: u32 = x; - } - if let Some(&Some(x)) = &Some(Some(0)) { - //~^ ERROR: mismatched types [E0308] - let _: u32 = x; - } - if let Some(Some(&mut x)) = &mut Some(&mut Some(0)) { - //~^ ERROR: mismatched types [E0308] - let _: u32 = x; - } -} diff --git a/tests/ui/feature-gates/feature-gate-ref_pat_everywhere.stderr b/tests/ui/feature-gates/feature-gate-ref_pat_everywhere.stderr deleted file mode 100644 index 0f0051325cdf..000000000000 --- a/tests/ui/feature-gates/feature-gate-ref_pat_everywhere.stderr +++ /dev/null @@ -1,49 +0,0 @@ -error[E0308]: mismatched types - --> $DIR/feature-gate-ref_pat_everywhere.rs:2:22 - | -LL | if let Some(Some(&x)) = &Some(&Some(0)) { - | ^^ --------------- this expression has type `&Option<&Option<{integer}>>` - | | - | expected integer, found `&_` - | - = note: expected type `{integer}` - found reference `&_` -help: consider removing `&` from the pattern - | -LL | if let Some(Some(x)) = &Some(&Some(0)) { - | ~ - -error[E0308]: mismatched types - --> $DIR/feature-gate-ref_pat_everywhere.rs:6:17 - | -LL | if let Some(&Some(x)) = &Some(Some(0)) { - | ^^^^^^^^ -------------- this expression has type `&Option>` - | | - | expected `Option<{integer}>`, found `&_` - | - = note: expected enum `Option<{integer}>` - found reference `&_` - -error[E0308]: mismatched types - --> $DIR/feature-gate-ref_pat_everywhere.rs:10:22 - | -LL | if let Some(Some(&mut x)) = &mut Some(&mut Some(0)) { - | ^^^^^^ ----------------------- this expression has type `&mut Option<&mut Option<{integer}>>` - | | - | expected integer, found `&mut _` - | - = note: expected type `{integer}` - found mutable reference `&mut _` -note: to declare a mutable binding use: `mut x` - --> $DIR/feature-gate-ref_pat_everywhere.rs:10:22 - | -LL | if let Some(Some(&mut x)) = &mut Some(&mut Some(0)) { - | ^^^^^^ -help: consider removing `&mut` from the pattern - | -LL | if let Some(Some(x)) = &mut Some(&mut Some(0)) { - | ~ - -error: aborting due to 3 previous errors - -For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/match/ref_pat_everywhere-fail.rs b/tests/ui/match/ref_pat_everywhere-fail.rs deleted file mode 100644 index d1b1c04730d3..000000000000 --- a/tests/ui/match/ref_pat_everywhere-fail.rs +++ /dev/null @@ -1,12 +0,0 @@ -#![allow(incomplete_features)] -#![feature(ref_pat_everywhere)] -pub fn main() { - if let Some(&x) = Some(0) { - //~^ ERROR: mismatched types [E0308] - let _: u32 = x; - } - if let Some(&mut x) = Some(&0) { - //~^ ERROR: mismatched types [E0308] - let _: u32 = x; - } -} diff --git a/tests/ui/match/ref_pat_everywhere-fail.stderr b/tests/ui/match/ref_pat_everywhere-fail.stderr deleted file mode 100644 index 25a01129f4a9..000000000000 --- a/tests/ui/match/ref_pat_everywhere-fail.stderr +++ /dev/null @@ -1,38 +0,0 @@ -error[E0308]: mismatched types - --> $DIR/ref_pat_everywhere-fail.rs:4:17 - | -LL | if let Some(&x) = Some(0) { - | ^^ ------- this expression has type `Option<{integer}>` - | | - | expected integer, found `&_` - | - = note: expected type `{integer}` - found reference `&_` -help: consider removing `&` from the pattern - | -LL | if let Some(x) = Some(0) { - | ~ - -error[E0308]: mismatched types - --> $DIR/ref_pat_everywhere-fail.rs:8:17 - | -LL | if let Some(&mut x) = Some(&0) { - | ^^^^^^ -------- this expression has type `Option<&{integer}>` - | | - | types differ in mutability - | - = note: expected reference `&{integer}` - found mutable reference `&mut _` -note: to declare a mutable binding use: `mut x` - --> $DIR/ref_pat_everywhere-fail.rs:8:17 - | -LL | if let Some(&mut x) = Some(&0) { - | ^^^^^^ -help: consider removing `&mut` from the pattern - | -LL | if let Some(x) = Some(&0) { - | ~ - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/match/ref_pat_everywhere.rs b/tests/ui/match/ref_pat_everywhere.rs deleted file mode 100644 index 9a79c548475f..000000000000 --- a/tests/ui/match/ref_pat_everywhere.rs +++ /dev/null @@ -1,24 +0,0 @@ -//@ run-pass -#![allow(incomplete_features)] -#![feature(ref_pat_everywhere)] - -pub fn main() { - if let Some(Some(&x)) = &Some(&Some(0)) { - let _: u32 = x; - } - if let Some(&Some(x)) = &Some(Some(0)) { - let _: u32 = x; - } - if let Some(Some(&mut x)) = &mut Some(&mut Some(0)) { - let _: u32 = x; - } - if let Some(Some(&x)) = &Some(&mut Some(0)) { - let _: u32 = x; - } - if let &Some(x) = &mut Some(0) { - let _: u32 = x; - } - if let Some(&x) = &mut Some(0) { - let _: u32 = x; - } -} From eb91f3b0513acf34701d8598c1312875c6e489a5 Mon Sep 17 00:00:00 2001 From: Jules Bertholet Date: Wed, 15 May 2024 15:54:28 -0400 Subject: [PATCH 0159/1716] `&mut` no longer peels off `&` --- compiler/rustc_hir_typeck/src/pat.rs | 52 +++---- .../ref_pat_eat_one_layer_2024.rs | 15 -- .../ref_pat_eat_one_layer_2024_fail.rs | 29 +++- .../ref_pat_eat_one_layer_2024_fail.stderr | 137 ++++++++++++------ 4 files changed, 146 insertions(+), 87 deletions(-) diff --git a/compiler/rustc_hir_typeck/src/pat.rs b/compiler/rustc_hir_typeck/src/pat.rs index d2897f1c0113..6cd74961cc7f 100644 --- a/compiler/rustc_hir_typeck/src/pat.rs +++ b/compiler/rustc_hir_typeck/src/pat.rs @@ -335,9 +335,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { match adjust_mode { AdjustMode::Pass => (expected, def_br, max_ref_mutbl), AdjustMode::Reset => (expected, ByRef::No, MutblCap::Mut), - AdjustMode::Peel => { - self.peel_off_references(pat, expected, def_br, Mutability::Mut, max_ref_mutbl) - } + AdjustMode::Peel => self.peel_off_references(pat, expected, def_br, max_ref_mutbl), } } @@ -408,7 +406,6 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { pat: &'tcx Pat<'tcx>, expected: Ty<'tcx>, mut def_br: ByRef, - max_peelable_mutability: Mutability, mut max_ref_mutability: MutblCap, ) -> (Ty<'tcx>, ByRef, MutblCap) { let mut expected = self.try_structurally_resolve_type(pat.span, expected); @@ -421,9 +418,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // // See the examples in `ui/match-defbm*.rs`. let mut pat_adjustments = vec![]; - while let ty::Ref(_, inner_ty, inner_mutability) = *expected.kind() - && inner_mutability <= max_peelable_mutability - { + while let ty::Ref(_, inner_ty, inner_mutability) = *expected.kind() { debug!("inspecting {:?}", expected); debug!("current discriminant is Ref, inserting implicit deref"); @@ -2129,32 +2124,39 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { pat.span.at_least_rust_2024() && self.tcx.features().ref_pat_eat_one_layer_2024; if new_match_ergonomics { + let pat_prefix_span = + inner.span.find_ancestor_inside(pat.span).map(|end| pat.span.until(end)); + if pat_mutbl == Mutability::Not { // Prevent the inner pattern from binding with `ref mut`. - pat_info.max_ref_mutbl = pat_info.max_ref_mutbl.cap_to_weakly_not( - inner.span.find_ancestor_inside(pat.span).map(|end| pat.span.until(end)), - ); + pat_info.max_ref_mutbl = pat_info.max_ref_mutbl.cap_to_weakly_not(pat_prefix_span); } - if let ByRef::Yes(inh_mut) = pat_info.binding_mode - && pat_mutbl <= inh_mut - { + if let ByRef::Yes(inh_mut) = pat_info.binding_mode { + // ref pattern consumes inherited reference + + if pat_mutbl > inh_mut { + // Tried to match inherited `ref` with `&mut`, which is an error + let err_msg = "cannot match inherited `&` with `&mut` pattern"; + let err = if let Some(span) = pat_prefix_span { + let mut err = self.dcx().struct_span_err(span, err_msg); + err.span_suggestion_verbose( + span, + "replace this `&mut` pattern with `&`", + "&", + Applicability::MachineApplicable, + ); + err + } else { + self.dcx().struct_span_err(pat.span, err_msg) + }; + err.emit(); + } + pat_info.binding_mode = ByRef::No; self.typeck_results.borrow_mut().skipped_ref_pats_mut().insert(pat.hir_id); self.check_pat(inner, expected, pat_info); return expected; - } else if pat_mutbl == Mutability::Mut { - // `&mut` patterns pell off `&` references - let (new_expected, new_bm, max_ref_mutbl) = self.peel_off_references( - pat, - expected, - pat_info.binding_mode, - Mutability::Not, - pat_info.max_ref_mutbl, - ); - expected = new_expected; - pat_info.binding_mode = new_bm; - pat_info.max_ref_mutbl = max_ref_mutbl; } } else { // Reset binding mode on old editions diff --git a/tests/ui/match/ref_pat_eat_one_layer_2024/ref_pat_eat_one_layer_2024.rs b/tests/ui/match/ref_pat_eat_one_layer_2024/ref_pat_eat_one_layer_2024.rs index 62e4f82a3ffb..829b7f86e262 100644 --- a/tests/ui/match/ref_pat_eat_one_layer_2024/ref_pat_eat_one_layer_2024.rs +++ b/tests/ui/match/ref_pat_eat_one_layer_2024/ref_pat_eat_one_layer_2024.rs @@ -23,9 +23,6 @@ pub fn main() { if let Some(Some(&x)) = &Some(&Some(0)) { let _: u32 = x; } - if let Some(&mut Some(&x)) = &Some(&mut Some(0)) { - let _: u32 = x; - } if let Some(&Some(&x)) = &mut Some(&Some(0)) { let _: u32 = x; } @@ -35,9 +32,6 @@ pub fn main() { if let Some(&Some(&mut ref x)) = Some(&Some(&mut 0)) { let _: &u32 = x; } - if let Some(Some(&mut x)) = &Some(Some(&mut 0)) { - let _: &u32 = x; - } if let &Some(Some(x)) = &Some(&mut Some(0)) { let _: &u32 = x; } @@ -59,13 +53,4 @@ pub fn main() { if let Some(&Some(x)) = &mut Some(Some(0)) { let _: u32 = x; } - - let &mut x = &&mut 0; - let _: &u32 = x; - - let &mut x = &&&&&&&&&&&&&&&&&&&&&&&&&&&&mut 0; - let _: &u32 = x; - - let &mut &mut &mut &mut x = &mut &&&&mut &&&mut &mut 0; - let _: &u32 = x; } diff --git a/tests/ui/match/ref_pat_eat_one_layer_2024/ref_pat_eat_one_layer_2024_fail.rs b/tests/ui/match/ref_pat_eat_one_layer_2024/ref_pat_eat_one_layer_2024_fail.rs index 96b4ff77ddb4..a2a0c73b53b2 100644 --- a/tests/ui/match/ref_pat_eat_one_layer_2024/ref_pat_eat_one_layer_2024_fail.rs +++ b/tests/ui/match/ref_pat_eat_one_layer_2024/ref_pat_eat_one_layer_2024_fail.rs @@ -5,26 +5,26 @@ pub fn main() { if let Some(&mut Some(&_)) = &Some(&Some(0)) { - //~^ ERROR: mismatched types + //~^ ERROR: cannot match inherited `&` with `&mut` pattern } if let Some(&Some(&mut _)) = &Some(&mut Some(0)) { - //~^ ERROR: mismatched types + //~^ ERROR: cannot match inherited `&` with `&mut` pattern } if let Some(&Some(x)) = &mut Some(&Some(0)) { let _: &mut u32 = x; //~^ ERROR: mismatched types } if let Some(&Some(&mut _)) = &mut Some(&Some(0)) { - //~^ ERROR: mismatched types + //~^ ERROR: cannot match inherited `&` with `&mut` pattern } if let Some(&Some(Some((&mut _)))) = &Some(Some(&mut Some(0))) { - //~^ ERROR: mismatched types + //~^ ERROR: cannot match inherited `&` with `&mut` pattern } if let Some(&mut Some(x)) = &Some(Some(0)) { - //~^ ERROR: mismatched types + //~^ ERROR: cannot match inherited `&` with `&mut` pattern } if let Some(&mut Some(x)) = &Some(Some(0)) { - //~^ ERROR: mismatched types + //~^ ERROR: cannot match inherited `&` with `&mut` pattern } let &mut _ = &&0; @@ -32,4 +32,21 @@ pub fn main() { let &mut _ = &&&&&&&&&&&&&&&&&&&&&&&&&&&&0; //~^ ERROR: mismatched types + + if let Some(&mut Some(&_)) = &Some(&mut Some(0)) { + //~^ ERROR: cannot match inherited `&` with `&mut` pattern + } + + if let Some(Some(&mut x)) = &Some(Some(&mut 0)) { + //~^ ERROR: cannot match inherited `&` with `&mut` pattern + } + + let &mut _ = &&mut 0; + //~^ ERROR: mismatched types + + let &mut _ = &&&&&&&&&&&&&&&&&&&&&&&&&&&&mut 0; + //~^ ERROR: mismatched types + + let &mut &mut &mut &mut _ = &mut &&&&mut &&&mut &mut 0; + //~^ ERROR: mismatched types } diff --git a/tests/ui/match/ref_pat_eat_one_layer_2024/ref_pat_eat_one_layer_2024_fail.stderr b/tests/ui/match/ref_pat_eat_one_layer_2024/ref_pat_eat_one_layer_2024_fail.stderr index e06a645fc0d3..cad67b4f8d67 100644 --- a/tests/ui/match/ref_pat_eat_one_layer_2024/ref_pat_eat_one_layer_2024_fail.stderr +++ b/tests/ui/match/ref_pat_eat_one_layer_2024/ref_pat_eat_one_layer_2024_fail.stderr @@ -1,24 +1,24 @@ -error[E0308]: mismatched types +error: cannot match inherited `&` with `&mut` pattern --> $DIR/ref_pat_eat_one_layer_2024_fail.rs:7:17 | LL | if let Some(&mut Some(&_)) = &Some(&Some(0)) { - | ^^^^^^^^^^^^^ --------------- this expression has type `&Option<&Option<{integer}>>` - | | - | expected `Option<{integer}>`, found `&mut _` + | ^^^^^ | - = note: expected enum `Option<{integer}>` - found mutable reference `&mut _` +help: replace this `&mut` pattern with `&` + | +LL | if let Some(&Some(&_)) = &Some(&Some(0)) { + | ~ -error[E0308]: mismatched types +error: cannot match inherited `&` with `&mut` pattern --> $DIR/ref_pat_eat_one_layer_2024_fail.rs:10:23 | LL | if let Some(&Some(&mut _)) = &Some(&mut Some(0)) { - | ^^^^^^ ------------------- this expression has type `&Option<&mut Option<{integer}>>` - | | - | expected integer, found `&mut _` + | ^^^^^ | - = note: expected type `{integer}` - found mutable reference `&mut _` +help: replace this `&mut` pattern with `&` + | +LL | if let Some(&Some(&_)) = &Some(&mut Some(0)) { + | ~ error[E0308]: mismatched types --> $DIR/ref_pat_eat_one_layer_2024_fail.rs:14:27 @@ -31,49 +31,49 @@ LL | let _: &mut u32 = x; = note: expected mutable reference `&mut u32` found reference `&{integer}` -error[E0308]: mismatched types +error: cannot match inherited `&` with `&mut` pattern --> $DIR/ref_pat_eat_one_layer_2024_fail.rs:17:23 | LL | if let Some(&Some(&mut _)) = &mut Some(&Some(0)) { - | ^^^^^^ ------------------- this expression has type `&mut Option<&Option<{integer}>>` - | | - | expected integer, found `&mut _` + | ^^^^^ | - = note: expected type `{integer}` - found mutable reference `&mut _` +help: replace this `&mut` pattern with `&` + | +LL | if let Some(&Some(&_)) = &mut Some(&Some(0)) { + | ~ -error[E0308]: mismatched types +error: cannot match inherited `&` with `&mut` pattern --> $DIR/ref_pat_eat_one_layer_2024_fail.rs:20:29 | LL | if let Some(&Some(Some((&mut _)))) = &Some(Some(&mut Some(0))) { - | ^^^^^^ ------------------------- this expression has type `&Option>>` - | | - | expected integer, found `&mut _` + | ^^^^^ | - = note: expected type `{integer}` - found mutable reference `&mut _` +help: replace this `&mut` pattern with `&` + | +LL | if let Some(&Some(Some((&_)))) = &Some(Some(&mut Some(0))) { + | ~ -error[E0308]: mismatched types +error: cannot match inherited `&` with `&mut` pattern --> $DIR/ref_pat_eat_one_layer_2024_fail.rs:23:17 | LL | if let Some(&mut Some(x)) = &Some(Some(0)) { - | ^^^^^^^^^^^^ -------------- this expression has type `&Option>` - | | - | expected `Option<{integer}>`, found `&mut _` + | ^^^^^ | - = note: expected enum `Option<{integer}>` - found mutable reference `&mut _` +help: replace this `&mut` pattern with `&` + | +LL | if let Some(&Some(x)) = &Some(Some(0)) { + | ~ -error[E0308]: mismatched types +error: cannot match inherited `&` with `&mut` pattern --> $DIR/ref_pat_eat_one_layer_2024_fail.rs:26:17 | LL | if let Some(&mut Some(x)) = &Some(Some(0)) { - | ^^^^^^^^^^^^ -------------- this expression has type `&Option>` - | | - | expected `Option<{integer}>`, found `&mut _` + | ^^^^^ | - = note: expected enum `Option<{integer}>` - found mutable reference `&mut _` +help: replace this `&mut` pattern with `&` + | +LL | if let Some(&Some(x)) = &Some(Some(0)) { + | ~ error[E0308]: mismatched types --> $DIR/ref_pat_eat_one_layer_2024_fail.rs:30:9 @@ -81,9 +81,9 @@ error[E0308]: mismatched types LL | let &mut _ = &&0; | ^^^^^^ --- this expression has type `&&{integer}` | | - | expected integer, found `&mut _` + | types differ in mutability | - = note: expected type `{integer}` + = note: expected reference `&&{integer}` found mutable reference `&mut _` error[E0308]: mismatched types @@ -92,11 +92,66 @@ error[E0308]: mismatched types LL | let &mut _ = &&&&&&&&&&&&&&&&&&&&&&&&&&&&0; | ^^^^^^ ----------------------------- this expression has type `&&&&&&&&&&&&&&&&&&&&&&&&&&&&{integer}` | | - | expected integer, found `&mut _` + | types differ in mutability | - = note: expected type `{integer}` + = note: expected reference `&&&&&&&&&&&&&&&&&&&&&&&&&&&&{integer}` found mutable reference `&mut _` -error: aborting due to 9 previous errors +error: cannot match inherited `&` with `&mut` pattern + --> $DIR/ref_pat_eat_one_layer_2024_fail.rs:36:17 + | +LL | if let Some(&mut Some(&_)) = &Some(&mut Some(0)) { + | ^^^^^ + | +help: replace this `&mut` pattern with `&` + | +LL | if let Some(&Some(&_)) = &Some(&mut Some(0)) { + | ~ + +error: cannot match inherited `&` with `&mut` pattern + --> $DIR/ref_pat_eat_one_layer_2024_fail.rs:40:22 + | +LL | if let Some(Some(&mut x)) = &Some(Some(&mut 0)) { + | ^^^^^ + | +help: replace this `&mut` pattern with `&` + | +LL | if let Some(Some(&x)) = &Some(Some(&mut 0)) { + | ~ + +error[E0308]: mismatched types + --> $DIR/ref_pat_eat_one_layer_2024_fail.rs:44:9 + | +LL | let &mut _ = &&mut 0; + | ^^^^^^ ------- this expression has type `&&mut {integer}` + | | + | types differ in mutability + | + = note: expected reference `&&mut {integer}` + found mutable reference `&mut _` + +error[E0308]: mismatched types + --> $DIR/ref_pat_eat_one_layer_2024_fail.rs:47:9 + | +LL | let &mut _ = &&&&&&&&&&&&&&&&&&&&&&&&&&&&mut 0; + | ^^^^^^ --------------------------------- this expression has type `&&&&&&&&&&&&&&&&&&&&&&&&&&&&mut {integer}` + | | + | types differ in mutability + | + = note: expected reference `&&&&&&&&&&&&&&&&&&&&&&&&&&&&mut {integer}` + found mutable reference `&mut _` + +error[E0308]: mismatched types + --> $DIR/ref_pat_eat_one_layer_2024_fail.rs:50:14 + | +LL | let &mut &mut &mut &mut _ = &mut &&&&mut &&&mut &mut 0; + | ^^^^^^^^^^^^^^^^ -------------------------- this expression has type `&mut &&&&mut &&&mut &mut {integer}` + | | + | types differ in mutability + | + = note: expected reference `&&&&mut &&&mut &mut {integer}` + found mutable reference `&mut _` + +error: aborting due to 14 previous errors For more information about this error, try `rustc --explain E0308`. From 0746577fa27f2a322f3ab5f4e85c6eeb51c6fc6c Mon Sep 17 00:00:00 2001 From: Jules Bertholet Date: Wed, 15 May 2024 16:55:54 -0400 Subject: [PATCH 0160/1716] Gate implicit mutable by-reference bindings behind `mut ref` --- compiler/rustc_feature/src/removed.rs | 2 ++ compiler/rustc_feature/src/unstable.rs | 2 -- compiler/rustc_hir_typeck/src/pat.rs | 34 ++++++++++++------- .../ref_pat_eat_one_layer_2024_fail.rs | 10 ++++++ .../ref_pat_eat_one_layer_2024_fail.stderr | 25 ++++++++++++-- ...ure-gate-mut_preserve_binding_mode_2024.rs | 14 -------- ...gate-mut_preserve_binding_mode_2024.stderr | 31 ----------------- tests/ui/pattern/match_ergonomics_2024.fixed | 2 +- tests/ui/pattern/match_ergonomics_2024.rs | 2 +- .../pattern/mut_preserve_binding_mode_2021.rs | 2 +- .../pattern/mut_preserve_binding_mode_2024.rs | 2 +- 11 files changed, 61 insertions(+), 65 deletions(-) delete mode 100644 tests/ui/pattern/feature-gate-mut_preserve_binding_mode_2024.rs delete mode 100644 tests/ui/pattern/feature-gate-mut_preserve_binding_mode_2024.stderr diff --git a/compiler/rustc_feature/src/removed.rs b/compiler/rustc_feature/src/removed.rs index f1afde31803e..aea447b2aff1 100644 --- a/compiler/rustc_feature/src/removed.rs +++ b/compiler/rustc_feature/src/removed.rs @@ -128,6 +128,8 @@ declare_features! ( /// Allows the use of type alias impl trait in function return positions (removed, min_type_alias_impl_trait, "1.56.0", Some(63063), Some("removed in favor of full type_alias_impl_trait")), + /// Make `mut` not reset the binding mode on edition >= 2024. + (removed, mut_preserve_binding_mode_2024, "1.79.0", Some(123076), Some("superseded by `ref_pat_eat_one_layer_2024`")), (removed, needs_allocator, "1.4.0", Some(27389), Some("subsumed by `#![feature(allocator_internals)]`")), /// Allows use of unary negate on unsigned integers, e.g., -e for e: u8 diff --git a/compiler/rustc_feature/src/unstable.rs b/compiler/rustc_feature/src/unstable.rs index 1a058a121f3a..a4ccb0f1412e 100644 --- a/compiler/rustc_feature/src/unstable.rs +++ b/compiler/rustc_feature/src/unstable.rs @@ -527,8 +527,6 @@ declare_features! ( (unstable, more_qualified_paths, "1.54.0", Some(86935)), /// Allows the `#[must_not_suspend]` attribute. (unstable, must_not_suspend, "1.57.0", Some(83310)), - /// Make `mut` not reset the binding mode on edition >= 2024. - (incomplete, mut_preserve_binding_mode_2024, "1.79.0", Some(123076)), /// Allows `mut ref` and `mut ref mut` identifier patterns. (incomplete, mut_ref, "1.79.0", Some(123076)), /// Allows using `#[naked]` on functions. diff --git a/compiler/rustc_hir_typeck/src/pat.rs b/compiler/rustc_hir_typeck/src/pat.rs index 6cd74961cc7f..8e3b19f79a5b 100644 --- a/compiler/rustc_hir_typeck/src/pat.rs +++ b/compiler/rustc_hir_typeck/src/pat.rs @@ -12,7 +12,7 @@ use rustc_infer::infer; use rustc_middle::mir::interpret::ErrorHandled; use rustc_middle::ty::{self, Ty, TypeVisitableExt}; use rustc_middle::{bug, span_bug}; -use rustc_session::lint::builtin::NON_EXHAUSTIVE_OMITTED_PATTERNS; +use rustc_session::{lint::builtin::NON_EXHAUSTIVE_OMITTED_PATTERNS, parse::feature_err}; use rustc_span::edit_distance::find_best_match_for_name; use rustc_span::hygiene::DesugaringKind; use rustc_span::source_map::Spanned; @@ -669,17 +669,27 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // Determine the binding mode... let bm = match user_bind_annot { - // `mut` resets binding mode on edition <= 2021 - BindingMode(ByRef::No, Mutability::Mut) - if !(pat.span.at_least_rust_2024() - && self.tcx.features().mut_preserve_binding_mode_2024) - && matches!(def_br, ByRef::Yes(_)) => - { - self.typeck_results - .borrow_mut() - .rust_2024_migration_desugared_pats_mut() - .insert(pat_info.top_info.hir_id); - BindingMode(ByRef::No, Mutability::Mut) + BindingMode(ByRef::No, Mutability::Mut) if matches!(def_br, ByRef::Yes(_)) => { + if pat.span.at_least_rust_2024() && self.tcx.features().ref_pat_eat_one_layer_2024 { + if !self.tcx.features().mut_ref { + feature_err( + &self.tcx.sess, + sym::mut_ref, + pat.span.until(ident.span), + "binding cannot be both mutable and by-reference", + ) + .emit(); + } + + BindingMode(def_br, Mutability::Mut) + } else { + // `mut` resets binding mode on edition <= 2021 + self.typeck_results + .borrow_mut() + .rust_2024_migration_desugared_pats_mut() + .insert(pat_info.top_info.hir_id); + BindingMode(ByRef::No, Mutability::Mut) + } } BindingMode(ByRef::No, mutbl) => BindingMode(def_br, mutbl), BindingMode(ByRef::Yes(_), _) => user_bind_annot, diff --git a/tests/ui/match/ref_pat_eat_one_layer_2024/ref_pat_eat_one_layer_2024_fail.rs b/tests/ui/match/ref_pat_eat_one_layer_2024/ref_pat_eat_one_layer_2024_fail.rs index a2a0c73b53b2..40e8293e2411 100644 --- a/tests/ui/match/ref_pat_eat_one_layer_2024/ref_pat_eat_one_layer_2024_fail.rs +++ b/tests/ui/match/ref_pat_eat_one_layer_2024/ref_pat_eat_one_layer_2024_fail.rs @@ -49,4 +49,14 @@ pub fn main() { let &mut &mut &mut &mut _ = &mut &&&&mut &&&mut &mut 0; //~^ ERROR: mismatched types + + struct Foo(u8); + + let Foo(mut a) = &Foo(0); + //~^ ERROR: binding cannot be both mutable and by-reference + a = &42; + + let Foo(mut a) = &mut Foo(0); + //~^ ERROR: binding cannot be both mutable and by-reference + a = &mut 42; } diff --git a/tests/ui/match/ref_pat_eat_one_layer_2024/ref_pat_eat_one_layer_2024_fail.stderr b/tests/ui/match/ref_pat_eat_one_layer_2024/ref_pat_eat_one_layer_2024_fail.stderr index cad67b4f8d67..26317e43d023 100644 --- a/tests/ui/match/ref_pat_eat_one_layer_2024/ref_pat_eat_one_layer_2024_fail.stderr +++ b/tests/ui/match/ref_pat_eat_one_layer_2024/ref_pat_eat_one_layer_2024_fail.stderr @@ -152,6 +152,27 @@ LL | let &mut &mut &mut &mut _ = &mut &&&&mut &&&mut &mut 0; = note: expected reference `&&&&mut &&&mut &mut {integer}` found mutable reference `&mut _` -error: aborting due to 14 previous errors +error[E0658]: binding cannot be both mutable and by-reference + --> $DIR/ref_pat_eat_one_layer_2024_fail.rs:55:13 + | +LL | let Foo(mut a) = &Foo(0); + | ^^^^ + | + = note: see issue #123076 for more information + = help: add `#![feature(mut_ref)]` to the crate attributes to enable + = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date -For more information about this error, try `rustc --explain E0308`. +error[E0658]: binding cannot be both mutable and by-reference + --> $DIR/ref_pat_eat_one_layer_2024_fail.rs:59:13 + | +LL | let Foo(mut a) = &mut Foo(0); + | ^^^^ + | + = note: see issue #123076 for more information + = help: add `#![feature(mut_ref)]` to the crate attributes to enable + = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date + +error: aborting due to 16 previous errors + +Some errors have detailed explanations: E0308, E0658. +For more information about an error, try `rustc --explain E0308`. diff --git a/tests/ui/pattern/feature-gate-mut_preserve_binding_mode_2024.rs b/tests/ui/pattern/feature-gate-mut_preserve_binding_mode_2024.rs deleted file mode 100644 index 15c542e6bf10..000000000000 --- a/tests/ui/pattern/feature-gate-mut_preserve_binding_mode_2024.rs +++ /dev/null @@ -1,14 +0,0 @@ -//@ edition: 2024 -//@ compile-flags: -Zunstable-options - -struct Foo(u8); - -fn main() { - let Foo(mut a) = &Foo(0); - a = &42; - //~^ ERROR: mismatched types - - let Foo(mut a) = &mut Foo(0); - a = &mut 42; - //~^ ERROR: mismatched types -} diff --git a/tests/ui/pattern/feature-gate-mut_preserve_binding_mode_2024.stderr b/tests/ui/pattern/feature-gate-mut_preserve_binding_mode_2024.stderr deleted file mode 100644 index 6d0a034be21c..000000000000 --- a/tests/ui/pattern/feature-gate-mut_preserve_binding_mode_2024.stderr +++ /dev/null @@ -1,31 +0,0 @@ -error[E0308]: mismatched types - --> $DIR/feature-gate-mut_preserve_binding_mode_2024.rs:8:9 - | -LL | let Foo(mut a) = &Foo(0); - | ----- expected due to the type of this binding -LL | a = &42; - | ^^^ expected `u8`, found `&{integer}` - | -help: consider removing the borrow - | -LL - a = &42; -LL + a = 42; - | - -error[E0308]: mismatched types - --> $DIR/feature-gate-mut_preserve_binding_mode_2024.rs:12:9 - | -LL | let Foo(mut a) = &mut Foo(0); - | ----- expected due to the type of this binding -LL | a = &mut 42; - | ^^^^^^^ expected `u8`, found `&mut {integer}` - | -help: consider removing the borrow - | -LL - a = &mut 42; -LL + a = 42; - | - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/pattern/match_ergonomics_2024.fixed b/tests/ui/pattern/match_ergonomics_2024.fixed index d8dbcb217c04..1ec2b5a214bf 100644 --- a/tests/ui/pattern/match_ergonomics_2024.fixed +++ b/tests/ui/pattern/match_ergonomics_2024.fixed @@ -2,7 +2,7 @@ //@ run-rustfix //@ rustfix-only-machine-applicable //@ aux-build:match_ergonomics_2024_macros.rs -#![feature(mut_preserve_binding_mode_2024, ref_pat_eat_one_layer_2024)] +#![feature(mut_ref, ref_pat_eat_one_layer_2024)] #![allow(incomplete_features, unused)] #![deny(rust_2024_incompatible_pat)] diff --git a/tests/ui/pattern/match_ergonomics_2024.rs b/tests/ui/pattern/match_ergonomics_2024.rs index 38dc0c8bebb2..c9f992c12d4a 100644 --- a/tests/ui/pattern/match_ergonomics_2024.rs +++ b/tests/ui/pattern/match_ergonomics_2024.rs @@ -2,7 +2,7 @@ //@ run-rustfix //@ rustfix-only-machine-applicable //@ aux-build:match_ergonomics_2024_macros.rs -#![feature(mut_preserve_binding_mode_2024, ref_pat_eat_one_layer_2024)] +#![feature(mut_ref, ref_pat_eat_one_layer_2024)] #![allow(incomplete_features, unused)] #![deny(rust_2024_incompatible_pat)] diff --git a/tests/ui/pattern/mut_preserve_binding_mode_2021.rs b/tests/ui/pattern/mut_preserve_binding_mode_2021.rs index befa49fdc247..282e0ef95d22 100644 --- a/tests/ui/pattern/mut_preserve_binding_mode_2021.rs +++ b/tests/ui/pattern/mut_preserve_binding_mode_2021.rs @@ -1,6 +1,6 @@ //@ edition: 2021 //@ compile-flags: -Zunstable-options -#![feature(mut_preserve_binding_mode_2024)] +#![feature(ref_pat_eat_one_layer_2024)] #![allow(incomplete_features)] struct Foo(u8); diff --git a/tests/ui/pattern/mut_preserve_binding_mode_2024.rs b/tests/ui/pattern/mut_preserve_binding_mode_2024.rs index 5454962e16ce..19aa73573b46 100644 --- a/tests/ui/pattern/mut_preserve_binding_mode_2024.rs +++ b/tests/ui/pattern/mut_preserve_binding_mode_2024.rs @@ -1,7 +1,7 @@ //@ run-pass //@ edition: 2024 //@ compile-flags: -Zunstable-options -#![feature(mut_preserve_binding_mode_2024)] +#![feature(mut_ref, ref_pat_eat_one_layer_2024)] #![allow(incomplete_features, unused)] struct Foo(u8); From af75014cc52a97c93eb3d115441337874f525236 Mon Sep 17 00:00:00 2001 From: Jules Bertholet Date: Wed, 15 May 2024 17:20:18 -0400 Subject: [PATCH 0161/1716] "No `ref mut` behind `&`" on all editions --- compiler/rustc_hir_typeck/src/pat.rs | 35 ++++++++++++----------- tests/ui/pattern/no_ref_mut_behind_and.rs | 9 ++++++ 2 files changed, 28 insertions(+), 16 deletions(-) create mode 100644 tests/ui/pattern/no_ref_mut_behind_and.rs diff --git a/compiler/rustc_hir_typeck/src/pat.rs b/compiler/rustc_hir_typeck/src/pat.rs index 8e3b19f79a5b..617c08181fb0 100644 --- a/compiler/rustc_hir_typeck/src/pat.rs +++ b/compiler/rustc_hir_typeck/src/pat.rs @@ -406,7 +406,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { pat: &'tcx Pat<'tcx>, expected: Ty<'tcx>, mut def_br: ByRef, - mut max_ref_mutability: MutblCap, + mut max_ref_mutbl: MutblCap, ) -> (Ty<'tcx>, ByRef, MutblCap) { let mut expected = self.try_structurally_resolve_type(pat.span, expected); // Peel off as many `&` or `&mut` from the scrutinee type as possible. For example, @@ -438,10 +438,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { }); } - if pat.span.at_least_rust_2024() && self.tcx.features().ref_pat_eat_one_layer_2024 { - def_br = def_br.cap_ref_mutability(max_ref_mutability.as_mutbl()); + if self.tcx.features().ref_pat_eat_one_layer_2024 { + def_br = def_br.cap_ref_mutability(max_ref_mutbl.as_mutbl()); if def_br == ByRef::Yes(Mutability::Not) { - max_ref_mutability = MutblCap::Not; + max_ref_mutbl = MutblCap::Not; } } @@ -453,7 +453,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { .insert(pat.hir_id, pat_adjustments); } - (expected, def_br, max_ref_mutability) + (expected, def_br, max_ref_mutbl) } fn check_pat_lit( @@ -2130,18 +2130,22 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { mut expected: Ty<'tcx>, mut pat_info: PatInfo<'tcx, '_>, ) -> Ty<'tcx> { - let new_match_ergonomics = - pat.span.at_least_rust_2024() && self.tcx.features().ref_pat_eat_one_layer_2024; + let no_ref_mut_behind_and = self.tcx.features().ref_pat_eat_one_layer_2024; + let new_match_ergonomics = pat.span.at_least_rust_2024() && no_ref_mut_behind_and; - if new_match_ergonomics { - let pat_prefix_span = - inner.span.find_ancestor_inside(pat.span).map(|end| pat.span.until(end)); + let pat_prefix_span = + inner.span.find_ancestor_inside(pat.span).map(|end| pat.span.until(end)); + if no_ref_mut_behind_and { if pat_mutbl == Mutability::Not { // Prevent the inner pattern from binding with `ref mut`. pat_info.max_ref_mutbl = pat_info.max_ref_mutbl.cap_to_weakly_not(pat_prefix_span); } + } else { + pat_info.max_ref_mutbl = MutblCap::Mut; + } + if new_match_ergonomics { if let ByRef::Yes(inh_mut) = pat_info.binding_mode { // ref pattern consumes inherited reference @@ -2179,8 +2183,6 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { .rust_2024_migration_desugared_pats_mut() .insert(pat_info.top_info.hir_id); } - - pat_info.max_ref_mutbl = MutblCap::Mut; } let tcx = self.tcx; @@ -2195,16 +2197,17 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // the bad interactions of the given hack detailed in (note_1). debug!("check_pat_ref: expected={:?}", expected); match *expected.kind() { - ty::Ref(_, r_ty, r_mutbl) if r_mutbl >= pat_mutbl && new_match_ergonomics => { - if r_mutbl == Mutability::Not { + ty::Ref(_, r_ty, r_mutbl) + if (new_match_ergonomics && r_mutbl >= pat_mutbl) + || r_mutbl == pat_mutbl => + { + if no_ref_mut_behind_and && r_mutbl == Mutability::Not { pat_info.max_ref_mutbl = MutblCap::Not; } (expected, r_ty) } - ty::Ref(_, r_ty, r_mutbl) if r_mutbl == pat_mutbl => (expected, r_ty), - _ => { let inner_ty = self.next_ty_var(inner.span); let ref_ty = self.new_ref_ty(pat.span, pat_mutbl, inner_ty); diff --git a/tests/ui/pattern/no_ref_mut_behind_and.rs b/tests/ui/pattern/no_ref_mut_behind_and.rs new file mode 100644 index 000000000000..c18d64904d03 --- /dev/null +++ b/tests/ui/pattern/no_ref_mut_behind_and.rs @@ -0,0 +1,9 @@ +//@ edition: 2021 +//@ run-pass +#![allow(incomplete_features)] +#![feature(ref_pat_eat_one_layer_2024)] + +fn main() { + let &[[x]] = &[&mut [42]]; + let _: &i32 = x; +} From c342a61564ee2632a2896cc4a3b7bbecb5720bea Mon Sep 17 00:00:00 2001 From: Daniel Sedlak Date: Wed, 15 May 2024 10:59:35 +0000 Subject: [PATCH 0162/1716] Add configuration option for ignoring `panic!()` in tests --- CHANGELOG.md | 1 + book/src/lint_configuration.md | 10 ++++ clippy_config/src/conf.rs | 4 ++ clippy_lints/src/lib.rs | 3 +- clippy_lints/src/panic_unimplemented.rs | 14 +++-- tests/ui-toml/panic/clippy.toml | 1 + tests/ui-toml/panic/panic.rs | 54 +++++++++++++++++++ tests/ui-toml/panic/panic.stderr | 11 ++++ .../toml_unknown_key/conf_unknown_key.stderr | 3 ++ 9 files changed, 97 insertions(+), 4 deletions(-) create mode 100644 tests/ui-toml/panic/clippy.toml create mode 100644 tests/ui-toml/panic/panic.rs create mode 100644 tests/ui-toml/panic/panic.stderr diff --git a/CHANGELOG.md b/CHANGELOG.md index cfff0bb50a6a..e17d6b3cf274 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -5942,6 +5942,7 @@ Released 2018-09-13 [`allow-expect-in-tests`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allow-expect-in-tests [`allow-mixed-uninlined-format-args`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allow-mixed-uninlined-format-args [`allow-one-hash-in-raw-strings`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allow-one-hash-in-raw-strings +[`allow-panic-in-tests`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allow-panic-in-tests [`allow-print-in-tests`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allow-print-in-tests [`allow-private-module-inception`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allow-private-module-inception [`allow-renamed-params-for`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allow-renamed-params-for diff --git a/book/src/lint_configuration.md b/book/src/lint_configuration.md index b049a6106f56..c8223007df7b 100644 --- a/book/src/lint_configuration.md +++ b/book/src/lint_configuration.md @@ -101,6 +101,16 @@ Whether to allow `r#""#` when `r""` can be used * [`unnecessary_raw_string_hashes`](https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_raw_string_hashes) +## `allow-panic-in-tests` +Whether `panic` should be allowed in test functions or `#[cfg(test)]` + +**Default Value:** `false` + +--- +**Affected lints:** +* [`panic`](https://rust-lang.github.io/rust-clippy/master/index.html#panic) + + ## `allow-print-in-tests` Whether print macros (ex. `println!`) should be allowed in test functions or `#[cfg(test)]` diff --git a/clippy_config/src/conf.rs b/clippy_config/src/conf.rs index a4b29afa7779..cfdf620b7d07 100644 --- a/clippy_config/src/conf.rs +++ b/clippy_config/src/conf.rs @@ -457,6 +457,10 @@ define_Conf! { /// /// Whether `unwrap` should be allowed in test functions or `#[cfg(test)]` (allow_unwrap_in_tests: bool = false), + /// Lint: PANIC. + /// + /// Whether `panic` should be allowed in test functions or `#[cfg(test)]` + (allow_panic_in_tests: bool = false), /// Lint: DBG_MACRO. /// /// Whether `dbg!` should be allowed in test functions or `#[cfg(test)]` diff --git a/clippy_lints/src/lib.rs b/clippy_lints/src/lib.rs index c3ae36a55973..553952f211f8 100644 --- a/clippy_lints/src/lib.rs +++ b/clippy_lints/src/lib.rs @@ -532,6 +532,7 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { allow_expect_in_tests, allow_mixed_uninlined_format_args, allow_one_hash_in_raw_strings, + allow_panic_in_tests, allow_print_in_tests, allow_private_module_inception, allow_unwrap_in_tests, @@ -769,7 +770,7 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { allow_in_test: allow_useless_vec_in_tests, }) }); - store.register_late_pass(|_| Box::new(panic_unimplemented::PanicUnimplemented)); + store.register_late_pass(move |_| Box::new(panic_unimplemented::PanicUnimplemented { allow_panic_in_tests })); store.register_late_pass(|_| Box::new(strings::StringLitAsBytes)); store.register_late_pass(|_| Box::new(derive::Derive)); store.register_late_pass(move |_| Box::new(derivable_impls::DerivableImpls::new(msrv()))); diff --git a/clippy_lints/src/panic_unimplemented.rs b/clippy_lints/src/panic_unimplemented.rs index ef51a9a9a1c8..75066c1f0d2e 100644 --- a/clippy_lints/src/panic_unimplemented.rs +++ b/clippy_lints/src/panic_unimplemented.rs @@ -1,8 +1,14 @@ use clippy_utils::diagnostics::span_lint; +use clippy_utils::is_in_test; use clippy_utils::macros::{is_panic, root_macro_call_first_node}; use rustc_hir::Expr; use rustc_lint::{LateContext, LateLintPass}; -use rustc_session::declare_lint_pass; +use rustc_session::impl_lint_pass; + +#[derive(Clone)] +pub struct PanicUnimplemented { + pub allow_panic_in_tests: bool, +} declare_clippy_lint! { /// ### What it does @@ -77,7 +83,7 @@ declare_clippy_lint! { "usage of the `unreachable!` macro" } -declare_lint_pass!(PanicUnimplemented => [UNIMPLEMENTED, UNREACHABLE, TODO, PANIC]); +impl_lint_pass!(PanicUnimplemented => [UNIMPLEMENTED, UNREACHABLE, TODO, PANIC]); impl<'tcx> LateLintPass<'tcx> for PanicUnimplemented { fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { @@ -85,7 +91,9 @@ impl<'tcx> LateLintPass<'tcx> for PanicUnimplemented { return; }; if is_panic(cx, macro_call.def_id) { - if cx.tcx.hir().is_inside_const_context(expr.hir_id) { + if cx.tcx.hir().is_inside_const_context(expr.hir_id) + || self.allow_panic_in_tests && is_in_test(cx.tcx, expr.hir_id) + { return; } diff --git a/tests/ui-toml/panic/clippy.toml b/tests/ui-toml/panic/clippy.toml new file mode 100644 index 000000000000..5d6230d092c0 --- /dev/null +++ b/tests/ui-toml/panic/clippy.toml @@ -0,0 +1 @@ +allow-panic-in-tests = true diff --git a/tests/ui-toml/panic/panic.rs b/tests/ui-toml/panic/panic.rs new file mode 100644 index 000000000000..618a37ddfc55 --- /dev/null +++ b/tests/ui-toml/panic/panic.rs @@ -0,0 +1,54 @@ +//@compile-flags: --test +#![warn(clippy::panic)] + +fn main() { + enum Enam { + A, + } + let a = Enam::A; + match a { + Enam::A => {}, + _ => panic!(""), + } +} + +#[test] +fn lonely_test() { + enum Enam { + A, + } + let a = Enam::A; + match a { + Enam::A => {}, + _ => panic!(""), + } +} + +#[cfg(test)] +mod tests { + // should not lint in `#[cfg(test)]` modules + #[test] + fn test_fn() { + enum Enam { + A, + } + let a = Enam::A; + match a { + Enam::A => {}, + _ => panic!(""), + } + + bar(); + } + + fn bar() { + enum Enam { + A, + } + let a = Enam::A; + match a { + Enam::A => {}, + _ => panic!(""), + } + } +} diff --git a/tests/ui-toml/panic/panic.stderr b/tests/ui-toml/panic/panic.stderr new file mode 100644 index 000000000000..bf7503e086c9 --- /dev/null +++ b/tests/ui-toml/panic/panic.stderr @@ -0,0 +1,11 @@ +error: `panic` should not be present in production code + --> tests/ui-toml/panic/panic.rs:11:14 + | +LL | _ => panic!(""), + | ^^^^^^^^^^ + | + = note: `-D clippy::panic` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::panic)]` + +error: aborting due to 1 previous error + diff --git a/tests/ui-toml/toml_unknown_key/conf_unknown_key.stderr b/tests/ui-toml/toml_unknown_key/conf_unknown_key.stderr index e42046ddef9d..5cf9c0fb2710 100644 --- a/tests/ui-toml/toml_unknown_key/conf_unknown_key.stderr +++ b/tests/ui-toml/toml_unknown_key/conf_unknown_key.stderr @@ -8,6 +8,7 @@ error: error reading Clippy's configuration file: unknown field `foobar`, expect allow-expect-in-tests allow-mixed-uninlined-format-args allow-one-hash-in-raw-strings + allow-panic-in-tests allow-print-in-tests allow-private-module-inception allow-renamed-params-for @@ -91,6 +92,7 @@ error: error reading Clippy's configuration file: unknown field `barfoo`, expect allow-expect-in-tests allow-mixed-uninlined-format-args allow-one-hash-in-raw-strings + allow-panic-in-tests allow-print-in-tests allow-private-module-inception allow-renamed-params-for @@ -174,6 +176,7 @@ error: error reading Clippy's configuration file: unknown field `allow_mixed_uni allow-expect-in-tests allow-mixed-uninlined-format-args allow-one-hash-in-raw-strings + allow-panic-in-tests allow-print-in-tests allow-private-module-inception allow-renamed-params-for From a59d071e9caa140ddaff4a9e1b747dba0d95f0cd Mon Sep 17 00:00:00 2001 From: zachs18 <8355914+zachs18@users.noreply.github.com> Date: Thu, 16 May 2024 05:51:29 +0000 Subject: [PATCH 0163/1716] Fix `for_loops_over_fallibles` hits in compiletest/src/json.rs --- src/tools/compiletest/src/json.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/tools/compiletest/src/json.rs b/src/tools/compiletest/src/json.rs index 10726b984208..29e8809e5bd6 100644 --- a/src/tools/compiletest/src/json.rs +++ b/src/tools/compiletest/src/json.rs @@ -282,7 +282,7 @@ fn push_expected_errors( // Add notes for the backtrace for span in primary_spans { - for frame in &span.expansion { + if let Some(frame) = &span.expansion { push_backtrace(expected_errors, frame, file_name); } } @@ -315,7 +315,7 @@ fn push_backtrace( }); } - for previous_expansion in &expansion.span.expansion { + if let Some(previous_expansion) = &expansion.span.expansion { push_backtrace(expected_errors, previous_expansion, file_name); } } From b1b278b17bd75d5336141366ca4e57a8d64993f5 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Thu, 16 May 2024 10:40:05 +0200 Subject: [PATCH 0164/1716] Preparing for merge from rustc --- src/tools/miri/rust-version | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/miri/rust-version b/src/tools/miri/rust-version index 603417b77eea..fad70bd6885f 100644 --- a/src/tools/miri/rust-version +++ b/src/tools/miri/rust-version @@ -1 +1 @@ -b71fa82d786ae1b5866510f1b3a7e5b7e1890e4c +b71e8cbaf2c7cae4d36898fff1d0ba19d9233082 From 6d314f3b11f50db58974746c1c68234c26259ca8 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Thu, 16 May 2024 10:43:38 +0200 Subject: [PATCH 0165/1716] alloc now works on wasi (and some formatting) --- src/tools/miri/ci/ci.sh | 15 ++++---- src/tools/miri/src/machine.rs | 15 ++++---- src/tools/miri/src/shims/alloc.rs | 26 ++++++++++++++ src/tools/miri/src/shims/foreign_items.rs | 5 +++ src/tools/miri/src/shims/mod.rs | 11 +++--- .../miri/src/shims/unix/foreign_items.rs | 22 ++---------- .../miri/src/shims/wasi/foreign_items.rs | 34 +++++++++++++++++++ src/tools/miri/src/shims/wasi/mod.rs | 1 + .../miri/tests/pass-dep/libc/libc-mem.rs | 6 ++-- src/tools/miri/tests/pass/empty_main.rs | 3 ++ 10 files changed, 97 insertions(+), 41 deletions(-) create mode 100644 src/tools/miri/src/shims/wasi/foreign_items.rs create mode 100644 src/tools/miri/src/shims/wasi/mod.rs create mode 100644 src/tools/miri/tests/pass/empty_main.rs diff --git a/src/tools/miri/ci/ci.sh b/src/tools/miri/ci/ci.sh index 6292d1033b68..2a6ca8f47831 100755 --- a/src/tools/miri/ci/ci.sh +++ b/src/tools/miri/ci/ci.sh @@ -144,16 +144,15 @@ case $HOST_TARGET in TEST_TARGET=arm-unknown-linux-gnueabi run_tests TEST_TARGET=s390x-unknown-linux-gnu run_tests # big-endian architecture of choice # Partially supported targets (tier 2) - VERY_BASIC="integer vec string btreemap" # common things we test on all of them (if they have std), requires no target-specific shims - BASIC="$VERY_BASIC hello hashmap alloc align" # ensures we have the shims for stdout and basic data structures + BASIC="empty_main integer vec string btreemap hello hashmap heap_alloc align" # ensures we have the basics: stdout/stderr, system allocator, randomness (for HashMap initialization) TEST_TARGET=x86_64-unknown-freebsd run_tests_minimal $BASIC panic/panic concurrency/simple atomic threadname libc-mem libc-misc libc-random libc-time fs env num_cpus TEST_TARGET=i686-unknown-freebsd run_tests_minimal $BASIC panic/panic concurrency/simple atomic threadname libc-mem libc-misc libc-random libc-time fs env num_cpus - TEST_TARGET=x86_64-unknown-illumos run_tests_minimal $BASIC hello panic/panic concurrency/simple pthread-sync libc-mem libc-misc libc-random env - TEST_TARGET=x86_64-pc-solaris run_tests_minimal $BASIC hello panic/panic concurrency/simple pthread-sync libc-mem libc-misc libc-random env - TEST_TARGET=aarch64-linux-android run_tests_minimal $VERY_BASIC hello panic/panic - TEST_TARGET=wasm32-wasi run_tests_minimal $VERY_BASIC wasm - TEST_TARGET=wasm32-unknown-unknown run_tests_minimal $VERY_BASIC wasm - TEST_TARGET=thumbv7em-none-eabihf run_tests_minimal no_std + TEST_TARGET=x86_64-unknown-illumos run_tests_minimal $BASIC panic/panic concurrency/simple pthread-sync libc-mem libc-misc libc-random env + TEST_TARGET=x86_64-pc-solaris run_tests_minimal $BASIC panic/panic concurrency/simple pthread-sync libc-mem libc-misc libc-random env + TEST_TARGET=aarch64-linux-android run_tests_minimal empty_main hello panic/panic + TEST_TARGET=wasm32-wasi run_tests_minimal empty_main wasm heap_alloc libc-mem + TEST_TARGET=wasm32-unknown-unknown run_tests_minimal empty_main wasm + TEST_TARGET=thumbv7em-none-eabihf run_tests_minimal no_std # Custom target JSON file TEST_TARGET=tests/avr.json MIRI_NO_STD=1 run_tests_minimal no_std ;; diff --git a/src/tools/miri/src/machine.rs b/src/tools/miri/src/machine.rs index 8854b1852803..6fdd126ff24e 100644 --- a/src/tools/miri/src/machine.rs +++ b/src/tools/miri/src/machine.rs @@ -30,14 +30,13 @@ use rustc_target::abi::{Align, Size}; use rustc_target::spec::abi::Abi; use crate::{ - concurrency::{data_race, weak_memory}, - shims::unix, + concurrency::{ + data_race::{self, NaReadType, NaWriteType}, + weak_memory, + }, *, }; -use self::concurrency::data_race::NaReadType; -use self::concurrency::data_race::NaWriteType; - /// First real-time signal. /// `signal(7)` says this must be between 32 and 64 and specifies 34 or 35 /// as typical values. @@ -464,9 +463,9 @@ pub struct MiriMachine<'mir, 'tcx> { pub(crate) validate: bool, /// The table of file descriptors. - pub(crate) fds: unix::FdTable, + pub(crate) fds: shims::FdTable, /// The table of directory descriptors. - pub(crate) dirs: unix::DirTable, + pub(crate) dirs: shims::DirTable, /// This machine's monotone clock. pub(crate) clock: Clock, @@ -641,7 +640,7 @@ impl<'mir, 'tcx> MiriMachine<'mir, 'tcx> { tls: TlsData::default(), isolated_op: config.isolated_op, validate: config.validate, - fds: unix::FdTable::new(config.mute_stdout_stderr), + fds: shims::FdTable::new(config.mute_stdout_stderr), dirs: Default::default(), layouts, threads: ThreadManager::default(), diff --git a/src/tools/miri/src/shims/alloc.rs b/src/tools/miri/src/shims/alloc.rs index 1deb9a5654ed..d0f36bd4757c 100644 --- a/src/tools/miri/src/shims/alloc.rs +++ b/src/tools/miri/src/shims/alloc.rs @@ -111,6 +111,32 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { Ok(ptr.into()) } + fn posix_memalign( + &mut self, + memptr: &OpTy<'tcx, Provenance>, + align: &OpTy<'tcx, Provenance>, + size: &OpTy<'tcx, Provenance>, + ) -> InterpResult<'tcx, Scalar> { + let this = self.eval_context_mut(); + let memptr = this.deref_pointer(memptr)?; + let align = this.read_target_usize(align)?; + let size = this.read_target_usize(size)?; + + // Align must be power of 2, and also at least ptr-sized (POSIX rules). + // But failure to adhere to this is not UB, it's an error condition. + if !align.is_power_of_two() || align < this.pointer_size().bytes() { + Ok(this.eval_libc("EINVAL")) + } else { + let ptr = this.allocate_ptr( + Size::from_bytes(size), + Align::from_bytes(align).unwrap(), + MiriMemoryKind::C.into(), + )?; + this.write_pointer(ptr, &memptr)?; + Ok(Scalar::from_i32(0)) + } + } + fn free(&mut self, ptr: Pointer>) -> InterpResult<'tcx> { let this = self.eval_context_mut(); if !this.ptr_is_null(ptr)? { diff --git a/src/tools/miri/src/shims/foreign_items.rs b/src/tools/miri/src/shims/foreign_items.rs index d431c28d55a5..a65da823e24c 100644 --- a/src/tools/miri/src/shims/foreign_items.rs +++ b/src/tools/miri/src/shims/foreign_items.rs @@ -108,6 +108,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let this = self.eval_context_ref(); match this.tcx.sess.target.os.as_ref() { os if this.target_os_is_unix() => shims::unix::foreign_items::is_dyn_sym(name, os), + "wasi" => shims::wasi::foreign_items::is_dyn_sym(name), "windows" => shims::windows::foreign_items::is_dyn_sym(name), _ => false, } @@ -947,6 +948,10 @@ trait EvalContextExtPriv<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { shims::unix::foreign_items::EvalContextExt::emulate_foreign_item_inner( this, link_name, abi, args, dest, ), + "wasi" => + shims::wasi::foreign_items::EvalContextExt::emulate_foreign_item_inner( + this, link_name, abi, args, dest, + ), "windows" => shims::windows::foreign_items::EvalContextExt::emulate_foreign_item_inner( this, link_name, abi, args, dest, diff --git a/src/tools/miri/src/shims/mod.rs b/src/tools/miri/src/shims/mod.rs index aaa3c69b92da..d9c4a2282c1f 100644 --- a/src/tools/miri/src/shims/mod.rs +++ b/src/tools/miri/src/shims/mod.rs @@ -2,20 +2,23 @@ mod alloc; mod backtrace; -pub mod foreign_items; #[cfg(target_os = "linux")] -pub mod native_lib; -pub mod unix; -pub mod windows; +mod native_lib; +mod unix; +mod wasi; +mod windows; mod x86; pub mod env; pub mod extern_static; +pub mod foreign_items; pub mod os_str; pub mod panic; pub mod time; pub mod tls; +pub use unix::{DirTable, FdTable}; + /// What needs to be done after emulating an item (a shim or an intrinsic) is done. pub enum EmulateItemResult { /// The caller is expected to jump to the return block. diff --git a/src/tools/miri/src/shims/unix/foreign_items.rs b/src/tools/miri/src/shims/unix/foreign_items.rs index 5434951d9e40..78d297d4b040 100644 --- a/src/tools/miri/src/shims/unix/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/foreign_items.rs @@ -3,7 +3,6 @@ use std::str; use rustc_middle::ty::layout::LayoutOf; use rustc_span::Symbol; -use rustc_target::abi::{Align, Size}; use rustc_target::spec::abi::Abi; use crate::shims::alloc::EvalContextExt as _; @@ -249,24 +248,9 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { // Allocation "posix_memalign" => { - let [ret, align, size] = this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?; - let ret = this.deref_pointer(ret)?; - let align = this.read_target_usize(align)?; - let size = this.read_target_usize(size)?; - // Align must be power of 2, and also at least ptr-sized (POSIX rules). - // But failure to adhere to this is not UB, it's an error condition. - if !align.is_power_of_two() || align < this.pointer_size().bytes() { - let einval = this.eval_libc_i32("EINVAL"); - this.write_int(einval, dest)?; - } else { - let ptr = this.allocate_ptr( - Size::from_bytes(size), - Align::from_bytes(align).unwrap(), - MiriMemoryKind::C.into(), - )?; - this.write_pointer(ptr, &ret)?; - this.write_null(dest)?; - } + let [memptr, align, size] = this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?; + let result = this.posix_memalign(memptr, align, size)?; + this.write_scalar(result, dest)?; } "mmap" => { diff --git a/src/tools/miri/src/shims/wasi/foreign_items.rs b/src/tools/miri/src/shims/wasi/foreign_items.rs new file mode 100644 index 000000000000..12bf0490932d --- /dev/null +++ b/src/tools/miri/src/shims/wasi/foreign_items.rs @@ -0,0 +1,34 @@ +use rustc_span::Symbol; +use rustc_target::spec::abi::Abi; + +use crate::shims::alloc::EvalContextExt as _; +use crate::*; + +pub fn is_dyn_sym(_name: &str) -> bool { + false +} + +impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} +pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { + fn emulate_foreign_item_inner( + &mut self, + link_name: Symbol, + abi: Abi, + args: &[OpTy<'tcx, Provenance>], + dest: &MPlaceTy<'tcx, Provenance>, + ) -> InterpResult<'tcx, EmulateItemResult> { + let this = self.eval_context_mut(); + match link_name.as_str() { + // Allocation + "posix_memalign" => { + let [memptr, align, size] = + this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?; + let result = this.posix_memalign(memptr, align, size)?; + this.write_scalar(result, dest)?; + } + + _ => return Ok(EmulateItemResult::NotSupported), + } + Ok(EmulateItemResult::NeedsJumping) + } +} diff --git a/src/tools/miri/src/shims/wasi/mod.rs b/src/tools/miri/src/shims/wasi/mod.rs new file mode 100644 index 000000000000..09c6507b24f8 --- /dev/null +++ b/src/tools/miri/src/shims/wasi/mod.rs @@ -0,0 +1 @@ +pub mod foreign_items; diff --git a/src/tools/miri/tests/pass-dep/libc/libc-mem.rs b/src/tools/miri/tests/pass-dep/libc/libc-mem.rs index b36fb436b572..5bd205dd085d 100644 --- a/src/tools/miri/tests/pass-dep/libc/libc-mem.rs +++ b/src/tools/miri/tests/pass-dep/libc/libc-mem.rs @@ -226,7 +226,8 @@ fn test_memalign() { target_os = "windows", target_os = "macos", target_os = "illumos", - target_os = "solaris" + target_os = "solaris", + target_os = "wasi", )))] fn test_reallocarray() { unsafe { @@ -249,7 +250,8 @@ fn main() { target_os = "windows", target_os = "macos", target_os = "illumos", - target_os = "solaris" + target_os = "solaris", + target_os = "wasi", )))] test_reallocarray(); diff --git a/src/tools/miri/tests/pass/empty_main.rs b/src/tools/miri/tests/pass/empty_main.rs new file mode 100644 index 000000000000..d081b6db6702 --- /dev/null +++ b/src/tools/miri/tests/pass/empty_main.rs @@ -0,0 +1,3 @@ +// This may look trivial, but a bunch of code runs in std before +// `main` is called, so we are ensuring that that all works. +fn main() {} From c811acb1f36cdeb45b46c490b7a308851347dc0d Mon Sep 17 00:00:00 2001 From: cardigan1008 <211250058@smail.nju.edu.cn> Date: Thu, 16 May 2024 21:10:07 +0800 Subject: [PATCH 0166/1716] feat: add unit test --- tests/ui/return/tail-expr-if-as-return.rs | 5 +++++ tests/ui/return/tail-expr-if-as-return.stderr | 12 ++++++++++++ 2 files changed, 17 insertions(+) create mode 100644 tests/ui/return/tail-expr-if-as-return.rs create mode 100644 tests/ui/return/tail-expr-if-as-return.stderr diff --git a/tests/ui/return/tail-expr-if-as-return.rs b/tests/ui/return/tail-expr-if-as-return.rs new file mode 100644 index 000000000000..119ffccc6a94 --- /dev/null +++ b/tests/ui/return/tail-expr-if-as-return.rs @@ -0,0 +1,5 @@ +fn main() { + if true { + "" //~ ERROR mismatched types [E0308] + } +} diff --git a/tests/ui/return/tail-expr-if-as-return.stderr b/tests/ui/return/tail-expr-if-as-return.stderr new file mode 100644 index 000000000000..2631f1e426de --- /dev/null +++ b/tests/ui/return/tail-expr-if-as-return.stderr @@ -0,0 +1,12 @@ +error[E0308]: mismatched types + --> $DIR/tail-expr-if-as-return.rs:3:9 + | +LL | / if true { +LL | | "" + | | ^^ expected `()`, found `&str` +LL | | } + | |_____- expected this to be `()` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0308`. From 983fb093ff10a98e8416c10e540f362d50c93f6a Mon Sep 17 00:00:00 2001 From: Strophox Date: Wed, 3 Apr 2024 20:11:44 +0200 Subject: [PATCH 0167/1716] start implementing MiriAllocBytes attempt changing Bytes in MiriMachine to MiriAllocBytes rename miri_alloc_bytes to alloc_bytes generalize impl VisitProvenance for Allocation for any Bytes: AllocBytes mend MiriAllocBytes -> Self::Bytes fix Invariant documentation and bugs (drop), impl Clone Update MiriAllocBytes description Co-authored-by: Ralf Jung Rephrase MiriAllocBytes ptr invariant Co-authored-by: Ralf Jung Update MiriAllocBytes ptr documentation Co-authored-by: Ralf Jung fix safety comment in MiriAllocBytes::clone fix safety comment in MiriAllocBytes::from_bytes try implementing clone without unsafe remove derive(PartialEq,Eq,Hash), fix fmt move ptr.is_null() check inside only necessary branch use std::ptr::without_provenance_mut, requiring feature(strict_provenance) align.bytes_usize() instead of align.bytes().try_into().unwrap() Update src/provenance_gc.rs Co-authored-by: Ralf Jung fix clippy error on deref --- src/tools/miri/src/alloc_bytes.rs | 109 ++++++++++++++++++++++++++++ src/tools/miri/src/diagnostics.rs | 2 +- src/tools/miri/src/lib.rs | 3 + src/tools/miri/src/machine.rs | 9 ++- src/tools/miri/src/provenance_gc.rs | 2 +- 5 files changed, 119 insertions(+), 6 deletions(-) create mode 100644 src/tools/miri/src/alloc_bytes.rs diff --git a/src/tools/miri/src/alloc_bytes.rs b/src/tools/miri/src/alloc_bytes.rs new file mode 100644 index 000000000000..7952abdf9f40 --- /dev/null +++ b/src/tools/miri/src/alloc_bytes.rs @@ -0,0 +1,109 @@ +use std::alloc; +use std::alloc::Layout; +use std::borrow::Cow; +use std::slice; + +use rustc_middle::mir::interpret::AllocBytes; +use rustc_target::abi::{Align, Size}; + +/// Allocation bytes that explicitly handle the layout of the data they're storing. +/// This is necessary to interface with native code that accesses the program store in Miri. +#[derive(Debug)] +pub struct MiriAllocBytes { + /// Stored layout information about the allocation. + layout: alloc::Layout, + /// Pointer to the allocation contents. + /// Invariant: + /// * If `self.layout.size() == 0`, then `self.ptr` is some suitably aligned pointer + /// without provenance (and no actual memory was allocated). + /// * Otherwise, `self.ptr` points to memory allocated with `self.layout`. + ptr: *mut u8, +} + +impl Clone for MiriAllocBytes { + fn clone(&self) -> Self { + let bytes: Cow<'_, [u8]> = Cow::Borrowed(self); + let align = Align::from_bytes(self.layout.align().try_into().unwrap()).unwrap(); + MiriAllocBytes::from_bytes(bytes, align) + } +} + +impl Drop for MiriAllocBytes { + fn drop(&mut self) { + if self.layout.size() != 0 { + // SAFETY: Invariant, `self.ptr` points to memory allocated with `self.layout`. + unsafe { alloc::dealloc(self.ptr, self.layout) } + } + } +} + +impl std::ops::Deref for MiriAllocBytes { + type Target = [u8]; + + fn deref(&self) -> &Self::Target { + // SAFETY: `ptr` is non-null, properly aligned, and valid for reading out `self.layout.size()`-many bytes. + // Note that due to the invariant this is true even if `self.layout.size() == 0`. + unsafe { slice::from_raw_parts(self.ptr, self.layout.size()) } + } +} + +impl std::ops::DerefMut for MiriAllocBytes { + fn deref_mut(&mut self) -> &mut Self::Target { + // SAFETY: `ptr` is non-null, properly aligned, and valid for reading out `self.layout.size()`-many bytes. + // Note that due to the invariant this is true even if `self.layout.size() == 0`. + unsafe { slice::from_raw_parts_mut(self.ptr, self.layout.size()) } + } +} + +impl MiriAllocBytes { + /// This method factors out how a `MiriAllocBytes` object is allocated, + /// specifically given an allocation function `alloc_fn`. + /// `alloc_fn` is only used if `size != 0`. + /// Returns `Err(layout)` if the allocation function returns a `ptr` that is `ptr.is_null()`. + fn alloc_with( + size: usize, + align: usize, + alloc_fn: impl FnOnce(Layout) -> *mut u8, + ) -> Result { + let layout = Layout::from_size_align(size, align).unwrap(); + let ptr = if size == 0 { + std::ptr::without_provenance_mut(align) + } else { + let ptr = alloc_fn(layout); + if ptr.is_null() { + return Err(layout); + } + ptr + }; + // SAFETY: All `MiriAllocBytes` invariants are fulfilled. + Ok(Self { ptr, layout }) + } +} + +impl AllocBytes for MiriAllocBytes { + fn from_bytes<'a>(slice: impl Into>, align: Align) -> Self { + let slice = slice.into(); + let size = slice.len(); + let align = align.bytes_usize(); + // SAFETY: `alloc_fn` will only be used if `size != 0`. + let alloc_fn = |layout| unsafe { alloc::alloc(layout) }; + let alloc_bytes = MiriAllocBytes::alloc_with(size, align, alloc_fn) + .unwrap_or_else(|layout| alloc::handle_alloc_error(layout)); + // SAFETY: `alloc_bytes.ptr` and `slice.as_ptr()` are non-null, properly aligned + // and valid for the `size`-many bytes to be copied. + unsafe { alloc_bytes.ptr.copy_from(slice.as_ptr(), size) }; + alloc_bytes + } + + fn zeroed(size: Size, align: Align) -> Option { + let size = size.bytes_usize(); + let align = align.bytes_usize(); + // SAFETY: `alloc_fn` will only be used if `size != 0`. + let alloc_fn = |layout| unsafe { alloc::alloc_zeroed(layout) }; + MiriAllocBytes::alloc_with(size, align, alloc_fn).ok() + } + + fn as_mut_ptr(&mut self) -> *mut u8 { + self.ptr + } +} diff --git a/src/tools/miri/src/diagnostics.rs b/src/tools/miri/src/diagnostics.rs index cb5ed27b6cf1..189c4a20bf6c 100644 --- a/src/tools/miri/src/diagnostics.rs +++ b/src/tools/miri/src/diagnostics.rs @@ -459,7 +459,7 @@ pub fn report_error<'tcx, 'mir>( pub fn report_leaks<'mir, 'tcx>( ecx: &InterpCx<'mir, 'tcx, MiriMachine<'mir, 'tcx>>, - leaks: Vec<(AllocId, MemoryKind, Allocation>)>, + leaks: Vec<(AllocId, MemoryKind, Allocation, MiriAllocBytes>)>, ) { let mut any_pruned = false; for (id, kind, mut alloc) in leaks { diff --git a/src/tools/miri/src/lib.rs b/src/tools/miri/src/lib.rs index 54eb6a3bd669..e4879f2f5315 100644 --- a/src/tools/miri/src/lib.rs +++ b/src/tools/miri/src/lib.rs @@ -13,6 +13,7 @@ #![feature(lint_reasons)] #![feature(trait_upcasting)] #![feature(strict_overflow_ops)] +#![feature(strict_provenance)] // Configure clippy and other lints #![allow( clippy::collapsible_else_if, @@ -74,6 +75,7 @@ extern crate rustc_target; extern crate rustc_driver; mod alloc_addresses; +mod alloc_bytes; mod borrow_tracker; mod clock; mod concurrency; @@ -107,6 +109,7 @@ pub use crate::shims::tls::TlsData; pub use crate::shims::EmulateItemResult; pub use crate::alloc_addresses::{EvalContextExt as _, ProvenanceMode}; +pub use crate::alloc_bytes::MiriAllocBytes; pub use crate::borrow_tracker::stacked_borrows::{ EvalContextExt as _, Item, Permission, Stack, Stacks, }; diff --git a/src/tools/miri/src/machine.rs b/src/tools/miri/src/machine.rs index 8854b1852803..1309bfccb3a1 100644 --- a/src/tools/miri/src/machine.rs +++ b/src/tools/miri/src/machine.rs @@ -862,7 +862,7 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { type Provenance = Provenance; type ProvenanceExtra = ProvenanceExtra; - type Bytes = Box<[u8]>; + type Bytes = MiriAllocBytes; type MemoryMap = MonoHashMap)>; @@ -1088,8 +1088,9 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { id: AllocId, alloc: Cow<'b, Allocation>, kind: Option, - ) -> InterpResult<'tcx, Cow<'b, Allocation>> { - let kind = kind.expect("we set our GLOBAL_KIND so this cannot be None"); + ) -> InterpResult<'tcx, Cow<'b, Allocation>> + { + let kind = kind.expect("we set our STATIC_KIND so this cannot be None"); if ecx.machine.tracked_alloc_ids.contains(&id) { ecx.emit_diagnostic(NonHaltingDiagnostic::CreatedAlloc( id, @@ -1126,7 +1127,7 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { Some(ecx.generate_stacktrace()) }; - let alloc: Allocation = alloc.adjust_from_tcx( + let alloc: Allocation = alloc.adjust_from_tcx( &ecx.tcx, AllocExtra { borrow_tracker, diff --git a/src/tools/miri/src/provenance_gc.rs b/src/tools/miri/src/provenance_gc.rs index f23d7dfd52d5..ecd614bf4672 100644 --- a/src/tools/miri/src/provenance_gc.rs +++ b/src/tools/miri/src/provenance_gc.rs @@ -122,7 +122,7 @@ impl VisitProvenance for OpTy<'_, Provenance> { } } -impl VisitProvenance for Allocation> { +impl VisitProvenance for Allocation, MiriAllocBytes> { fn visit_provenance(&self, visit: &mut VisitWith<'_>) { for prov in self.provenance().provenances() { prov.visit_provenance(visit); From fc2f7035c67af9ac44ac7c9186323ac903446c47 Mon Sep 17 00:00:00 2001 From: Jakob Schwarz Date: Wed, 15 May 2024 15:07:34 +0200 Subject: [PATCH 0168/1716] fulfill expectations in `check_unsafe_derive_deserialize` The utility function `clippy_utils::fulfill_or_allowed` is not used because using it would require to move the check for allowed after the check iterating over all inherent impls of the type, doing possibly unnecessary work. Instead, `is_lint_allowed` is called as before, but additionally, once certain that the lint should be emitted, `span_lint_hir_and_then` is called instead of `span_lint_and_help` to also fulfill expectations. fixes: #12802 changelog: fulfill expectations in `check_unsafe_derive_deserialize` --- clippy_lints/src/derive.rs | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/clippy_lints/src/derive.rs b/clippy_lints/src/derive.rs index 42cd19fb8eca..b9dd0f638afc 100644 --- a/clippy_lints/src/derive.rs +++ b/clippy_lints/src/derive.rs @@ -1,4 +1,4 @@ -use clippy_utils::diagnostics::{span_lint_and_help, span_lint_and_note, span_lint_and_sugg, span_lint_and_then}; +use clippy_utils::diagnostics::{span_lint_and_note, span_lint_and_sugg, span_lint_and_then, span_lint_hir_and_then}; use clippy_utils::ty::{implements_trait, implements_trait_with_env, is_copy}; use clippy_utils::{has_non_exhaustive_attr, is_lint_allowed, match_def_path, paths}; use rustc_errors::Applicability; @@ -390,13 +390,17 @@ fn check_unsafe_derive_deserialize<'tcx>( .map(|imp_did| cx.tcx.hir().expect_item(imp_did.expect_local())) .any(|imp| has_unsafe(cx, imp)) { - span_lint_and_help( + span_lint_hir_and_then( cx, UNSAFE_DERIVE_DESERIALIZE, + adt_hir_id, item.span, "you are deriving `serde::Deserialize` on a type that has methods using `unsafe`", - None, - "consider implementing `serde::Deserialize` manually. See https://serde.rs/impl-deserialize.html", + |diag| { + diag.help( + "consider implementing `serde::Deserialize` manually. See https://serde.rs/impl-deserialize.html", + ); + }, ); } } From 1b6c91628eb53e6ddf71ca28b43da2a7659d1056 Mon Sep 17 00:00:00 2001 From: Jakob Schwarz Date: Wed, 15 May 2024 18:21:20 +0200 Subject: [PATCH 0169/1716] add test for `#[expect]`ing `unsafe_derive_deserialize` Adding `#![feature(lint_reasons)]` to the top of the file also changed the line numbers in the expected error output. --- tests/ui/unsafe_derive_deserialize.rs | 11 +++++++++++ tests/ui/unsafe_derive_deserialize.stderr | 8 ++++---- 2 files changed, 15 insertions(+), 4 deletions(-) diff --git a/tests/ui/unsafe_derive_deserialize.rs b/tests/ui/unsafe_derive_deserialize.rs index 70dcaa3afa45..5187e0790423 100644 --- a/tests/ui/unsafe_derive_deserialize.rs +++ b/tests/ui/unsafe_derive_deserialize.rs @@ -1,3 +1,4 @@ +#![feature(lint_reasons)] #![warn(clippy::unsafe_derive_deserialize)] #![allow(unused, clippy::missing_safety_doc)] @@ -71,4 +72,14 @@ impl G { } } +// Check that we honor the `expect` attribute on the ADT +#[expect(clippy::unsafe_derive_deserialize)] +#[derive(Deserialize)] +pub struct H; +impl H { + pub fn unsafe_block(&self) { + unsafe {} + } +} + fn main() {} diff --git a/tests/ui/unsafe_derive_deserialize.stderr b/tests/ui/unsafe_derive_deserialize.stderr index f2d4429f707a..06719f23d57f 100644 --- a/tests/ui/unsafe_derive_deserialize.stderr +++ b/tests/ui/unsafe_derive_deserialize.stderr @@ -1,5 +1,5 @@ error: you are deriving `serde::Deserialize` on a type that has methods using `unsafe` - --> tests/ui/unsafe_derive_deserialize.rs:8:10 + --> tests/ui/unsafe_derive_deserialize.rs:9:10 | LL | #[derive(Deserialize)] | ^^^^^^^^^^^ @@ -10,7 +10,7 @@ LL | #[derive(Deserialize)] = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) error: you are deriving `serde::Deserialize` on a type that has methods using `unsafe` - --> tests/ui/unsafe_derive_deserialize.rs:17:10 + --> tests/ui/unsafe_derive_deserialize.rs:18:10 | LL | #[derive(Deserialize)] | ^^^^^^^^^^^ @@ -19,7 +19,7 @@ LL | #[derive(Deserialize)] = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) error: you are deriving `serde::Deserialize` on a type that has methods using `unsafe` - --> tests/ui/unsafe_derive_deserialize.rs:24:10 + --> tests/ui/unsafe_derive_deserialize.rs:25:10 | LL | #[derive(Deserialize)] | ^^^^^^^^^^^ @@ -28,7 +28,7 @@ LL | #[derive(Deserialize)] = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) error: you are deriving `serde::Deserialize` on a type that has methods using `unsafe` - --> tests/ui/unsafe_derive_deserialize.rs:33:10 + --> tests/ui/unsafe_derive_deserialize.rs:34:10 | LL | #[derive(Deserialize)] | ^^^^^^^^^^^ From 6b371469bf201a3ff83c9343423bbb8c7d6a79fa Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Wed, 15 May 2024 11:51:55 -0400 Subject: [PATCH 0170/1716] Fix tools --- clippy_lints/src/derive.rs | 4 ++-- clippy_utils/src/ty.rs | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/clippy_lints/src/derive.rs b/clippy_lints/src/derive.rs index 9662c8f4fe2f..bb6d8b180a0d 100644 --- a/clippy_lints/src/derive.rs +++ b/clippy_lints/src/derive.rs @@ -11,7 +11,7 @@ use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::hir::nested_filter; use rustc_middle::traits::Reveal; use rustc_middle::ty::{ - self, ClauseKind, GenericArgKind, GenericParamDefKind, ParamEnv, ToPredicate, TraitPredicate, Ty, TyCtxt, + self, ClauseKind, GenericArgKind, GenericParamDefKind, ParamEnv, Upcast, TraitPredicate, Ty, TyCtxt, }; use rustc_session::declare_lint_pass; use rustc_span::def_id::LocalDefId; @@ -503,7 +503,7 @@ fn param_env_for_derived_eq(tcx: TyCtxt<'_>, did: DefId, eq_trait_id: DefId) -> trait_ref: ty::TraitRef::new(tcx, eq_trait_id, [tcx.mk_param_from_def(param)]), polarity: ty::PredicatePolarity::Positive, }) - .to_predicate(tcx) + .upcast(tcx) }), )), Reveal::UserFacing, diff --git a/clippy_utils/src/ty.rs b/clippy_utils/src/ty.rs index e3ab42c3107c..b604f3ff65fc 100644 --- a/clippy_utils/src/ty.rs +++ b/clippy_utils/src/ty.rs @@ -18,7 +18,7 @@ use rustc_middle::traits::EvaluationResult; use rustc_middle::ty::layout::ValidityRequirement; use rustc_middle::ty::{ self, AdtDef, AliasTy, AssocKind, Binder, BoundRegion, FnSig, GenericArg, GenericArgKind, GenericArgsRef, - GenericParamDefKind, IntTy, ParamEnv, Region, RegionKind, ToPredicate, TraitRef, Ty, TyCtxt, + GenericParamDefKind, IntTy, ParamEnv, Region, RegionKind, Upcast, TraitRef, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable, TypeVisitableExt, TypeVisitor, UintTy, VariantDef, VariantDiscr, }; use rustc_span::symbol::Ident; @@ -311,7 +311,7 @@ pub fn implements_trait_with_env_from_iter<'tcx>( cause: ObligationCause::dummy(), param_env, recursion_depth: 0, - predicate: Binder::dummy(trait_ref).to_predicate(tcx), + predicate: Binder::dummy(trait_ref).upcast(tcx), }; infcx .evaluate_obligation(&obligation) From 4f589e322d20c9ba7cc7e92369faf01d2737825c Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Wed, 15 May 2024 12:52:12 -0400 Subject: [PATCH 0171/1716] Remove trivial Binder::dummy calls --- clippy_utils/src/ty.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/clippy_utils/src/ty.rs b/clippy_utils/src/ty.rs index b604f3ff65fc..50c387bd59ec 100644 --- a/clippy_utils/src/ty.rs +++ b/clippy_utils/src/ty.rs @@ -311,7 +311,7 @@ pub fn implements_trait_with_env_from_iter<'tcx>( cause: ObligationCause::dummy(), param_env, recursion_depth: 0, - predicate: Binder::dummy(trait_ref).upcast(tcx), + predicate: trait_ref.upcast(tcx), }; infcx .evaluate_obligation(&obligation) From 05f77d1b799d714a86c0b9692f18b94d605bb1be Mon Sep 17 00:00:00 2001 From: Urgau Date: Thu, 16 May 2024 20:58:22 +0200 Subject: [PATCH 0172/1716] Update `unexpected_cfgs` lint for Cargo new `check-cfg` config --- .../src/context/diagnostics/check_cfg.rs | 14 +++++---- tests/ui/check-cfg/cargo-feature.none.stderr | 20 +++++++++---- tests/ui/check-cfg/cargo-feature.some.stderr | 20 +++++++++---- tests/ui/check-cfg/diagnotics.cargo.stderr | 30 +++++++++++++------ 4 files changed, 57 insertions(+), 27 deletions(-) diff --git a/compiler/rustc_lint/src/context/diagnostics/check_cfg.rs b/compiler/rustc_lint/src/context/diagnostics/check_cfg.rs index 3c423b4e2aa6..72cb1dac9388 100644 --- a/compiler/rustc_lint/src/context/diagnostics/check_cfg.rs +++ b/compiler/rustc_lint/src/context/diagnostics/check_cfg.rs @@ -164,13 +164,14 @@ pub(super) fn unexpected_cfg_name( if is_from_cargo { if !is_feature_cfg { - diag.help(format!("consider using a Cargo feature instead or adding `println!(\"cargo::rustc-check-cfg={inst}\");` to the top of the `build.rs`")); + diag.help(format!("consider using a Cargo feature instead")); + diag.help(format!("or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:\n [lints.rust]\n unexpected_cfgs = {{ level = \"warn\", check-cfg = [\"{inst}\"] }}")); + diag.help(format!("or consider adding `println!(\"cargo::rustc-check-cfg={inst}\");` to the top of the `build.rs`")); } - diag.note("see for more information about checking conditional configuration"); } else { diag.help(format!("to expect this configuration use `--check-cfg={inst}`")); - diag.note("see for more information about checking conditional configuration"); } + diag.note("see for more information about checking conditional configuration"); } pub(super) fn unexpected_cfg_value( @@ -266,13 +267,14 @@ pub(super) fn unexpected_cfg_value( diag.help("consider defining some features in `Cargo.toml`"); } } else if !is_cfg_a_well_know_name { - diag.help(format!("consider using a Cargo feature instead or adding `println!(\"cargo::rustc-check-cfg={inst}\");` to the top of the `build.rs`")); + diag.help(format!("consider using a Cargo feature instead")); + diag.help(format!("or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:\n [lints.rust]\n unexpected_cfgs = {{ level = \"warn\", check-cfg = [\"{inst}\"] }}")); + diag.help(format!("or consider adding `println!(\"cargo::rustc-check-cfg={inst}\");` to the top of the `build.rs`")); } - diag.note("see for more information about checking conditional configuration"); } else { if !is_cfg_a_well_know_name { diag.help(format!("to expect this configuration use `--check-cfg={inst}`")); } - diag.note("see for more information about checking conditional configuration"); } + diag.note("see for more information about checking conditional configuration"); } diff --git a/tests/ui/check-cfg/cargo-feature.none.stderr b/tests/ui/check-cfg/cargo-feature.none.stderr index 627f03ddf552..8523274d3297 100644 --- a/tests/ui/check-cfg/cargo-feature.none.stderr +++ b/tests/ui/check-cfg/cargo-feature.none.stderr @@ -6,7 +6,7 @@ LL | #[cfg(feature = "serde")] | = note: no expected values for `feature` = help: consider adding `serde` as a feature in `Cargo.toml` - = note: see for more information about checking conditional configuration + = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default warning: unexpected `cfg` condition value: (none) @@ -17,7 +17,7 @@ LL | #[cfg(feature)] | = note: no expected values for `feature` = help: consider defining some features in `Cargo.toml` - = note: see for more information about checking conditional configuration + = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition name: `tokio_unstable` --> $DIR/cargo-feature.rs:22:7 @@ -26,8 +26,12 @@ LL | #[cfg(tokio_unstable)] | ^^^^^^^^^^^^^^ | = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows` - = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(tokio_unstable)");` to the top of the `build.rs` - = note: see for more information about checking conditional configuration + = help: consider using a Cargo feature instead + = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: + [lints.rust] + unexpected_cfgs = { level = "warn", check-cfg = ["cfg(tokio_unstable)"] } + = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tokio_unstable)");` to the top of the `build.rs` + = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition name: `CONFIG_NVME` --> $DIR/cargo-feature.rs:26:7 @@ -35,8 +39,12 @@ warning: unexpected `cfg` condition name: `CONFIG_NVME` LL | #[cfg(CONFIG_NVME = "m")] | ^^^^^^^^^^^^^^^^^ | - = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(CONFIG_NVME, values(\"m\"))");` to the top of the `build.rs` - = note: see for more information about checking conditional configuration + = help: consider using a Cargo feature instead + = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: + [lints.rust] + unexpected_cfgs = { level = "warn", check-cfg = ["cfg(CONFIG_NVME, values(\"m\"))"] } + = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(CONFIG_NVME, values(\"m\"))");` to the top of the `build.rs` + = note: see for more information about checking conditional configuration warning: 4 warnings emitted diff --git a/tests/ui/check-cfg/cargo-feature.some.stderr b/tests/ui/check-cfg/cargo-feature.some.stderr index 9cc5fb6aca03..67aab27fc6e2 100644 --- a/tests/ui/check-cfg/cargo-feature.some.stderr +++ b/tests/ui/check-cfg/cargo-feature.some.stderr @@ -6,7 +6,7 @@ LL | #[cfg(feature = "serde")] | = note: expected values for `feature` are: `bitcode` = help: consider adding `serde` as a feature in `Cargo.toml` - = note: see for more information about checking conditional configuration + = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default warning: unexpected `cfg` condition value: (none) @@ -17,7 +17,7 @@ LL | #[cfg(feature)] | = note: expected values for `feature` are: `bitcode` = help: consider defining some features in `Cargo.toml` - = note: see for more information about checking conditional configuration + = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition name: `tokio_unstable` --> $DIR/cargo-feature.rs:22:7 @@ -26,8 +26,12 @@ LL | #[cfg(tokio_unstable)] | ^^^^^^^^^^^^^^ | = help: expected names are: `CONFIG_NVME`, `clippy`, `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows` - = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(tokio_unstable)");` to the top of the `build.rs` - = note: see for more information about checking conditional configuration + = help: consider using a Cargo feature instead + = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: + [lints.rust] + unexpected_cfgs = { level = "warn", check-cfg = ["cfg(tokio_unstable)"] } + = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tokio_unstable)");` to the top of the `build.rs` + = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `m` --> $DIR/cargo-feature.rs:26:7 @@ -38,8 +42,12 @@ LL | #[cfg(CONFIG_NVME = "m")] | help: there is a expected value with a similar name: `"y"` | = note: expected values for `CONFIG_NVME` are: `y` - = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(CONFIG_NVME, values(\"m\"))");` to the top of the `build.rs` - = note: see for more information about checking conditional configuration + = help: consider using a Cargo feature instead + = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: + [lints.rust] + unexpected_cfgs = { level = "warn", check-cfg = ["cfg(CONFIG_NVME, values(\"m\"))"] } + = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(CONFIG_NVME, values(\"m\"))");` to the top of the `build.rs` + = note: see for more information about checking conditional configuration warning: 4 warnings emitted diff --git a/tests/ui/check-cfg/diagnotics.cargo.stderr b/tests/ui/check-cfg/diagnotics.cargo.stderr index 1b7505682da3..79a4a30d091b 100644 --- a/tests/ui/check-cfg/diagnotics.cargo.stderr +++ b/tests/ui/check-cfg/diagnotics.cargo.stderr @@ -5,7 +5,7 @@ LL | #[cfg(featur)] | ^^^^^^ help: there is a config with a similar name: `feature` | = help: expected values for `feature` are: `foo` - = note: see for more information about checking conditional configuration + = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default warning: unexpected `cfg` condition name: `featur` @@ -14,7 +14,7 @@ warning: unexpected `cfg` condition name: `featur` LL | #[cfg(featur = "foo")] | ^^^^^^^^^^^^^^ | - = note: see for more information about checking conditional configuration + = note: see for more information about checking conditional configuration help: there is a config with a similar name and value | LL | #[cfg(feature = "foo")] @@ -27,7 +27,7 @@ LL | #[cfg(featur = "fo")] | ^^^^^^^^^^^^^ | = help: expected values for `feature` are: `foo` - = note: see for more information about checking conditional configuration + = note: see for more information about checking conditional configuration help: there is a config with a similar name and different values | LL | #[cfg(feature = "foo")] @@ -39,8 +39,12 @@ warning: unexpected `cfg` condition name: `no_value` LL | #[cfg(no_value)] | ^^^^^^^^ help: there is a config with a similar name: `no_values` | - = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(no_value)");` to the top of the `build.rs` - = note: see for more information about checking conditional configuration + = help: consider using a Cargo feature instead + = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: + [lints.rust] + unexpected_cfgs = { level = "warn", check-cfg = ["cfg(no_value)"] } + = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(no_value)");` to the top of the `build.rs` + = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition name: `no_value` --> $DIR/diagnotics.rs:27:7 @@ -48,8 +52,12 @@ warning: unexpected `cfg` condition name: `no_value` LL | #[cfg(no_value = "foo")] | ^^^^^^^^^^^^^^^^ | - = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(no_value, values(\"foo\"))");` to the top of the `build.rs` - = note: see for more information about checking conditional configuration + = help: consider using a Cargo feature instead + = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: + [lints.rust] + unexpected_cfgs = { level = "warn", check-cfg = ["cfg(no_value, values(\"foo\"))"] } + = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(no_value, values(\"foo\"))");` to the top of the `build.rs` + = note: see for more information about checking conditional configuration help: there is a config with a similar name and no value | LL | #[cfg(no_values)] @@ -64,8 +72,12 @@ LL | #[cfg(no_values = "bar")] | help: remove the value | = note: no expected value for `no_values` - = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(no_values, values(\"bar\"))");` to the top of the `build.rs` - = note: see for more information about checking conditional configuration + = help: consider using a Cargo feature instead + = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: + [lints.rust] + unexpected_cfgs = { level = "warn", check-cfg = ["cfg(no_values, values(\"bar\"))"] } + = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(no_values, values(\"bar\"))");` to the top of the `build.rs` + = note: see for more information about checking conditional configuration warning: 6 warnings emitted From 821dc871af2dfdab3f229bda2aa1ead25d6a0688 Mon Sep 17 00:00:00 2001 From: Alex Macleod Date: Thu, 16 May 2024 21:11:58 +0100 Subject: [PATCH 0173/1716] Manually set library paths in .github/driver.sh --- .github/driver.sh | 19 +++++++++++-------- .github/workflows/clippy.yml | 6 +++--- .github/workflows/clippy_bors.yml | 4 +--- 3 files changed, 15 insertions(+), 14 deletions(-) diff --git a/.github/driver.sh b/.github/driver.sh index 2eafdd0fbc87..09202b1878b2 100755 --- a/.github/driver.sh +++ b/.github/driver.sh @@ -2,15 +2,18 @@ set -ex -# Check sysroot handling -sysroot=$(./target/debug/clippy-driver --print sysroot) -test "$sysroot" = "$(rustc --print sysroot)" +sysroot="$(rustc --print sysroot)" +case $OS in + Linux) export LD_LIBRARY_PATH="$sysroot/lib" ;; + macOS) export DYLD_FALLBACK_LIBRARY_PATH="$sysroot/lib" ;; + Windows) export PATH="$(cygpath "$sysroot")/bin:$PATH" ;; + *) exit 1 +esac -if [[ ${OS} == "Windows" ]]; then - desired_sysroot=C:/tmp -else - desired_sysroot=/tmp -fi +# Check sysroot handling +test "$(./target/debug/clippy-driver --print sysroot)" = "$sysroot" + +desired_sysroot="target/sysroot" # Set --sysroot in command line sysroot=$(./target/debug/clippy-driver --sysroot $desired_sysroot --print sysroot) test "$sysroot" = $desired_sysroot diff --git a/.github/workflows/clippy.yml b/.github/workflows/clippy.yml index 8179e3e65b54..06bf3b6fdbfa 100644 --- a/.github/workflows/clippy.yml +++ b/.github/workflows/clippy.yml @@ -69,6 +69,6 @@ jobs: working-directory: clippy_dev - name: Test clippy-driver - run: | - TOOLCHAIN=$(rustup show active-toolchain | cut -f1 -d' ') - rustup run $TOOLCHAIN bash .github/driver.sh + run: .github/driver.sh + env: + OS: ${{ runner.os }} diff --git a/.github/workflows/clippy_bors.yml b/.github/workflows/clippy_bors.yml index 94515987eba4..1f4bec929182 100644 --- a/.github/workflows/clippy_bors.yml +++ b/.github/workflows/clippy_bors.yml @@ -116,9 +116,7 @@ jobs: working-directory: clippy_dev - name: Test clippy-driver - run: | - TOOLCHAIN=$(rustup show active-toolchain | cut -f1 -d' ') - rustup run $TOOLCHAIN bash .github/driver.sh + run: .github/driver.sh env: OS: ${{ runner.os }} From 9f6280b1e7085bcf3b2b26c4a90209e8a1b923e5 Mon Sep 17 00:00:00 2001 From: Philipp Krones Date: Thu, 16 May 2024 14:21:11 -0700 Subject: [PATCH 0174/1716] Bump nightly version -> 2024-05-16 --- rust-toolchain | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/rust-toolchain b/rust-toolchain index 055f305eb8e1..a0585ffdb45b 100644 --- a/rust-toolchain +++ b/rust-toolchain @@ -1,3 +1,3 @@ [toolchain] -channel = "nightly-2024-05-02" +channel = "nightly-2024-05-16" components = ["cargo", "llvm-tools", "rust-src", "rust-std", "rustc", "rustc-dev", "rustfmt"] From c895f6e958ee34f6c52b612156e70465d18bd81a Mon Sep 17 00:00:00 2001 From: Zachary S Date: Thu, 16 May 2024 21:09:05 -0500 Subject: [PATCH 0175/1716] Access alloc field directly in Arc/Rc::into_raw_with_allocator. ... since fn allocator doesn't exist yet. --- library/alloc/src/rc.rs | 4 ++-- library/alloc/src/sync.rs | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/library/alloc/src/rc.rs b/library/alloc/src/rc.rs index de7b36c922c8..18fb1e24f224 100644 --- a/library/alloc/src/rc.rs +++ b/library/alloc/src/rc.rs @@ -1379,7 +1379,7 @@ impl Rc { let this = mem::ManuallyDrop::new(this); let ptr = Self::as_ptr(&this); // Safety: `this` is ManuallyDrop so the allocator will not be double-dropped - let alloc = unsafe { ptr::read(Self::allocator(&this)) }; + let alloc = unsafe { ptr::read(&this.alloc) }; (ptr, alloc) } @@ -3061,7 +3061,7 @@ impl Weak { let this = mem::ManuallyDrop::new(self); let result = this.as_ptr(); // Safety: `this` is ManuallyDrop so the allocator will not be double-dropped - let alloc = unsafe { ptr::read(this.allocator()) }; + let alloc = unsafe { ptr::read(&this.alloc) }; (result, alloc) } diff --git a/library/alloc/src/sync.rs b/library/alloc/src/sync.rs index 0df94e9e2cae..d4b7be8762c5 100644 --- a/library/alloc/src/sync.rs +++ b/library/alloc/src/sync.rs @@ -1520,7 +1520,7 @@ impl Arc { let this = mem::ManuallyDrop::new(this); let ptr = Self::as_ptr(&this); // Safety: `this` is ManuallyDrop so the allocator will not be double-dropped - let alloc = unsafe { ptr::read(Self::allocator(&this)) }; + let alloc = unsafe { ptr::read(&this.alloc) }; (ptr, alloc) } @@ -2803,7 +2803,7 @@ impl Weak { let this = mem::ManuallyDrop::new(self); let result = this.as_ptr(); // Safety: `this` is ManuallyDrop so the allocator will not be double-dropped - let alloc = unsafe { ptr::read(Self::allocator(&this)) }; + let alloc = unsafe { ptr::read(&this.alloc) }; (result, alloc) } From b964b0066833bc4deb8ebc3bae218a5298da82a9 Mon Sep 17 00:00:00 2001 From: Dion Dokter Date: Fri, 17 May 2024 11:47:18 +0200 Subject: [PATCH 0176/1716] Run tests with the flag enabled --- src/ci/docker/scripts/x86_64-gnu-llvm.sh | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/ci/docker/scripts/x86_64-gnu-llvm.sh b/src/ci/docker/scripts/x86_64-gnu-llvm.sh index 2eb751ca3766..1f4ba4986737 100755 --- a/src/ci/docker/scripts/x86_64-gnu-llvm.sh +++ b/src/ci/docker/scripts/x86_64-gnu-llvm.sh @@ -6,10 +6,15 @@ set -ex if [[ -z "${PR_CI_JOB}" ]]; then # When running gcc backend tests, we need to install `libgccjit` and to not run llvm codegen # tests as it will fail them. + # The tests are run a second time with the size optimizations enabled. if [[ "${ENABLE_GCC_CODEGEN}" == "1" ]]; then ../x.py --stage 1 test --skip src/tools/tidy --skip tests/codegen + ../x.py --stage 1 test --skip src/tools/tidy --skip tests/codegen \ + --rustc-args "--cfg feature=\"optimize_for_size\"" else ../x.py --stage 1 test --skip src/tools/tidy + ../x.py --stage 1 test --skip src/tools/tidy --rustc-args \ + "--cfg feature=\"optimize_for_size\"" fi # Run the `mir-opt` tests again but this time for a 32-bit target. From 5c301429bd5fe54351f2c88a6c9b4114abcb1880 Mon Sep 17 00:00:00 2001 From: Dion Dokter Date: Fri, 17 May 2024 12:02:21 +0200 Subject: [PATCH 0177/1716] Only test std, alloc and core --- src/ci/docker/scripts/x86_64-gnu-llvm.sh | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/src/ci/docker/scripts/x86_64-gnu-llvm.sh b/src/ci/docker/scripts/x86_64-gnu-llvm.sh index 1f4ba4986737..fe545e1d5f77 100755 --- a/src/ci/docker/scripts/x86_64-gnu-llvm.sh +++ b/src/ci/docker/scripts/x86_64-gnu-llvm.sh @@ -9,12 +9,12 @@ if [[ -z "${PR_CI_JOB}" ]]; then # The tests are run a second time with the size optimizations enabled. if [[ "${ENABLE_GCC_CODEGEN}" == "1" ]]; then ../x.py --stage 1 test --skip src/tools/tidy --skip tests/codegen - ../x.py --stage 1 test --skip src/tools/tidy --skip tests/codegen \ + ../x.py --stage 1 test library/std library/alloc library/core \ --rustc-args "--cfg feature=\"optimize_for_size\"" else ../x.py --stage 1 test --skip src/tools/tidy - ../x.py --stage 1 test --skip src/tools/tidy --rustc-args \ - "--cfg feature=\"optimize_for_size\"" + ../x.py --stage 1 test library/std library/alloc library/core \ + --rustc-args "--cfg feature=\"optimize_for_size\"" fi # Run the `mir-opt` tests again but this time for a 32-bit target. From 47334d2184eb88139cea6dffdf794a00e215030c Mon Sep 17 00:00:00 2001 From: Maybe Waffle Date: Fri, 5 Apr 2024 17:35:33 +0000 Subject: [PATCH 0178/1716] Refactor never type behavior code --- compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs | 31 +++++++++++++++----- 1 file changed, 23 insertions(+), 8 deletions(-) diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs index afba812a8e7b..2a2c4ac10b25 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs @@ -124,7 +124,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { body_id: LocalDefId, ) -> FnCtxt<'a, 'tcx> { let (diverging_fallback_behavior, diverging_block_behavior) = - parse_never_type_options_attr(root_ctxt.tcx); + never_type_behavior(root_ctxt.tcx); FnCtxt { body_id, param_env, @@ -380,9 +380,30 @@ impl<'tcx> LoweredTy<'tcx> { } } +fn never_type_behavior(tcx: TyCtxt<'_>) -> (DivergingFallbackBehavior, DivergingBlockBehavior) { + let (fallback, block) = parse_never_type_options_attr(tcx); + let fallback = fallback.unwrap_or_else(|| default_fallback(tcx)); + let block = block.unwrap_or_default(); + + (fallback, block) +} + +/// Returns the default fallback which is used when there is no explicit override via `#![never_type_options(...)]`. +fn default_fallback(tcx: TyCtxt<'_>) -> DivergingFallbackBehavior { + use DivergingFallbackBehavior::*; + + // `feature(never_type_fallback)`: fallback to `!` or `()` trying to not break stuff + if tcx.features().never_type_fallback { + return FallbackToNiko; + } + + // Otherwise: fallback to `()` + FallbackToUnit +} + fn parse_never_type_options_attr( tcx: TyCtxt<'_>, -) -> (DivergingFallbackBehavior, DivergingBlockBehavior) { +) -> (Option, Option) { use DivergingFallbackBehavior::*; // Error handling is dubious here (unwraps), but that's probably fine for an internal attribute. @@ -432,11 +453,5 @@ fn parse_never_type_options_attr( ); } - let fallback = fallback.unwrap_or_else(|| { - if tcx.features().never_type_fallback { FallbackToNiko } else { FallbackToUnit } - }); - - let block = block.unwrap_or_default(); - (fallback, block) } From 31a88794a0c2e1e066dbbab66dae60f8d9e19bcd Mon Sep 17 00:00:00 2001 From: Maybe Waffle Date: Fri, 5 Apr 2024 17:57:27 +0000 Subject: [PATCH 0179/1716] Edition 2024: Make `!` fallback to `!` --- compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs index 2a2c4ac10b25..10d832f97264 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs @@ -392,6 +392,11 @@ fn never_type_behavior(tcx: TyCtxt<'_>) -> (DivergingFallbackBehavior, Diverging fn default_fallback(tcx: TyCtxt<'_>) -> DivergingFallbackBehavior { use DivergingFallbackBehavior::*; + // Edition 2024: fallback to `!` + if tcx.sess.edition().at_least_rust_2024() { + return FallbackToNever; + } + // `feature(never_type_fallback)`: fallback to `!` or `()` trying to not break stuff if tcx.features().never_type_fallback { return FallbackToNiko; From 3b3e5042353359f8a2398680c25b8b160e0fad0a Mon Sep 17 00:00:00 2001 From: Maybe Waffle Date: Fri, 5 Apr 2024 17:58:40 +0000 Subject: [PATCH 0180/1716] Add a test for never type fallback edition change --- .../never-type-fallback.e2021.run.stdout | 1 + .../never-type-fallback.e2024.run.stdout | 1 + tests/ui/editions/never-type-fallback.rs | 16 ++++++++++++++++ 3 files changed, 18 insertions(+) create mode 100644 tests/ui/editions/never-type-fallback.e2021.run.stdout create mode 100644 tests/ui/editions/never-type-fallback.e2024.run.stdout create mode 100644 tests/ui/editions/never-type-fallback.rs diff --git a/tests/ui/editions/never-type-fallback.e2021.run.stdout b/tests/ui/editions/never-type-fallback.e2021.run.stdout new file mode 100644 index 000000000000..4122f7ac1eed --- /dev/null +++ b/tests/ui/editions/never-type-fallback.e2021.run.stdout @@ -0,0 +1 @@ +return type = () diff --git a/tests/ui/editions/never-type-fallback.e2024.run.stdout b/tests/ui/editions/never-type-fallback.e2024.run.stdout new file mode 100644 index 000000000000..df2eeae60b4c --- /dev/null +++ b/tests/ui/editions/never-type-fallback.e2024.run.stdout @@ -0,0 +1 @@ +return type = ! diff --git a/tests/ui/editions/never-type-fallback.rs b/tests/ui/editions/never-type-fallback.rs new file mode 100644 index 000000000000..a5b75219295c --- /dev/null +++ b/tests/ui/editions/never-type-fallback.rs @@ -0,0 +1,16 @@ +//@ revisions: e2021 e2024 +// +//@[e2021] edition: 2021 +//@[e2024] edition: 2024 +//@[e2024] compile-flags: -Zunstable-options +// +//@ run-pass +//@ check-run-results + +fn main() { + print_return_type_of(|| panic!()); +} + +fn print_return_type_of(_: impl FnOnce() -> R) { + println!("return type = {}", std::any::type_name::()); +} From 0f63cd1056dc44a1a7d167cee7c80f46abdeae71 Mon Sep 17 00:00:00 2001 From: Maybe Waffle Date: Thu, 11 Apr 2024 17:29:36 +0000 Subject: [PATCH 0181/1716] Add some more tests for the never type fallback --- .../never-type-fallback-breaking.e2024.stderr | 26 +++++++++++ .../editions/never-type-fallback-breaking.rs | 34 ++++++++++++++ .../from_infer_breaking_with_unit_fallback.rs | 29 ++++++++++++ ...er_breaking_with_unit_fallback.unit.stderr | 12 +++++ .../ui/never_type/question_mark_from_never.rs | 46 +++++++++++++++++++ 5 files changed, 147 insertions(+) create mode 100644 tests/ui/editions/never-type-fallback-breaking.e2024.stderr create mode 100644 tests/ui/editions/never-type-fallback-breaking.rs create mode 100644 tests/ui/never_type/from_infer_breaking_with_unit_fallback.rs create mode 100644 tests/ui/never_type/from_infer_breaking_with_unit_fallback.unit.stderr create mode 100644 tests/ui/never_type/question_mark_from_never.rs diff --git a/tests/ui/editions/never-type-fallback-breaking.e2024.stderr b/tests/ui/editions/never-type-fallback-breaking.e2024.stderr new file mode 100644 index 000000000000..e9a8882eb6ca --- /dev/null +++ b/tests/ui/editions/never-type-fallback-breaking.e2024.stderr @@ -0,0 +1,26 @@ +error[E0277]: the trait bound `!: Default` is not satisfied + --> $DIR/never-type-fallback-breaking.rs:17:17 + | +LL | true => Default::default(), + | ^^^^^^^^^^^^^^^^^^ the trait `Default` is not implemented for `!` + | + = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #48950 for more information) + = help: did you intend to use the type `()` here instead? + +error[E0277]: the trait bound `!: Default` is not satisfied + --> $DIR/never-type-fallback-breaking.rs:30:5 + | +LL | deserialize()?; + | ^^^^^^^^^^^^^ the trait `Default` is not implemented for `!` + | + = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #48950 for more information) + = help: did you intend to use the type `()` here instead? +note: required by a bound in `deserialize` + --> $DIR/never-type-fallback-breaking.rs:26:23 + | +LL | fn deserialize() -> Option { + | ^^^^^^^ required by this bound in `deserialize` + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/editions/never-type-fallback-breaking.rs b/tests/ui/editions/never-type-fallback-breaking.rs new file mode 100644 index 000000000000..7dfa4702807b --- /dev/null +++ b/tests/ui/editions/never-type-fallback-breaking.rs @@ -0,0 +1,34 @@ +//@ revisions: e2021 e2024 +// +//@[e2021] edition: 2021 +//@[e2024] edition: 2024 +//@[e2024] compile-flags: -Zunstable-options +// +//@[e2021] run-pass +//@[e2024] check-fail + +fn main() { + m(); + q(); +} + +fn m() { + let x = match true { + true => Default::default(), + //[e2024]~^ error: the trait bound `!: Default` is not satisfied + false => panic!("..."), + }; + + dbg!(x); +} + +fn q() -> Option<()> { + fn deserialize() -> Option { + Some(T::default()) + } + + deserialize()?; + //[e2024]~^ error: the trait bound `!: Default` is not satisfied + + None +} diff --git a/tests/ui/never_type/from_infer_breaking_with_unit_fallback.rs b/tests/ui/never_type/from_infer_breaking_with_unit_fallback.rs new file mode 100644 index 000000000000..19a1f9d0e131 --- /dev/null +++ b/tests/ui/never_type/from_infer_breaking_with_unit_fallback.rs @@ -0,0 +1,29 @@ +// issue: rust-lang/rust#66757 +// +// This is a *minimization* of the issue. +// Note that the original version with the `?` does not fail anymore even with fallback to unit, +// see `tests/ui/never_type/question_mark_from_never.rs`. +// +//@ revisions: unit never +//@[never] check-pass +#![allow(internal_features)] +#![feature(rustc_attrs, never_type)] +#![cfg_attr(unit, rustc_never_type_options(fallback = "unit"))] +#![cfg_attr(never, rustc_never_type_options(fallback = "never"))] + +struct E; + +impl From for E { + fn from(_: !) -> E { + E + } +} + +#[allow(unreachable_code)] +fn foo(never: !) { + >::from(never); // Ok + >::from(never); // Should the inference fail? + //[unit]~^ error: the trait bound `E: From<()>` is not satisfied +} + +fn main() {} diff --git a/tests/ui/never_type/from_infer_breaking_with_unit_fallback.unit.stderr b/tests/ui/never_type/from_infer_breaking_with_unit_fallback.unit.stderr new file mode 100644 index 000000000000..3b8913ccf457 --- /dev/null +++ b/tests/ui/never_type/from_infer_breaking_with_unit_fallback.unit.stderr @@ -0,0 +1,12 @@ +error[E0277]: the trait bound `E: From<()>` is not satisfied + --> $DIR/from_infer_breaking_with_unit_fallback.rs:25:6 + | +LL | >::from(never); // Should the inference fail? + | ^ the trait `From<()>` is not implemented for `E` + | + = help: the trait `From` is implemented for `E` + = help: for that trait implementation, expected `!`, found `()` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/never_type/question_mark_from_never.rs b/tests/ui/never_type/question_mark_from_never.rs new file mode 100644 index 000000000000..06d2a1926ea9 --- /dev/null +++ b/tests/ui/never_type/question_mark_from_never.rs @@ -0,0 +1,46 @@ +// issue: rust-lang/rust#66757 +// +// See also: `tests/ui/never_type/from_infer_breaking_with_unit_fallback.rs`. +// +//@ revisions: unit never +//@ check-pass +#![allow(internal_features)] +#![feature(rustc_attrs, never_type)] +#![cfg_attr(unit, rustc_never_type_options(fallback = "unit"))] +#![cfg_attr(never, rustc_never_type_options(fallback = "never"))] + +type Infallible = !; + +struct E; + +impl From for E { + fn from(_: Infallible) -> E { + E + } +} + +fn u32_try_from(x: u32) -> Result { + Ok(x) +} + +fn _f() -> Result<(), E> { + // In an old attempt to make `Infallible = !` this caused a problem. + // + // Because at the time the code desugared to + // + // match u32::try_from(1u32) { + // Ok(x) => x, Err(e) => return Err(E::from(e)) + // } + // + // With `Infallible = !`, `e: !` but with fallback to `()`, `e` in `E::from(e)` decayed to `()` + // causing an error. + // + // This does not happen with `Infallible = !`. + // And also does not happen with the newer `?` desugaring that does not pass `e` by value. + // (instead we only pass `Result` (where `Error = !` in this case) which does not get + // the implicit coercion and thus does not decay even with fallback to unit) + u32_try_from(1u32)?; + Ok(()) +} + +fn main() {} From e79aafcaa8891b28279739c236ae5f032a2c50b0 Mon Sep 17 00:00:00 2001 From: Waffle Lapkin Date: Fri, 17 May 2024 14:56:26 +0200 Subject: [PATCH 0182/1716] Rename `DivergingFallbackBehavior` variants and don't use `::*` --- compiler/rustc_hir_typeck/src/fallback.rs | 15 +++++++-------- compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs | 18 +++++++----------- 2 files changed, 14 insertions(+), 19 deletions(-) diff --git a/compiler/rustc_hir_typeck/src/fallback.rs b/compiler/rustc_hir_typeck/src/fallback.rs index c79b6be65606..3cfc7437a437 100644 --- a/compiler/rustc_hir_typeck/src/fallback.rs +++ b/compiler/rustc_hir_typeck/src/fallback.rs @@ -18,12 +18,12 @@ use rustc_span::{def_id::LocalDefId, Span}; #[derive(Copy, Clone)] pub enum DivergingFallbackBehavior { /// Always fallback to `()` (aka "always spontaneous decay") - FallbackToUnit, + ToUnit, /// Sometimes fallback to `!`, but mainly fallback to `()` so that most of the crates are not broken. - FallbackToNiko, + ContextDependent, /// Always fallback to `!` (which should be equivalent to never falling back + not making /// never-to-any coercions unless necessary) - FallbackToNever, + ToNever, /// Don't fallback at all NoFallback, } @@ -403,13 +403,12 @@ impl<'tcx> FnCtxt<'_, 'tcx> { diverging_fallback.insert(diverging_ty, ty); }; - use DivergingFallbackBehavior::*; match behavior { - FallbackToUnit => { + DivergingFallbackBehavior::ToUnit => { debug!("fallback to () - legacy: {:?}", diverging_vid); fallback_to(self.tcx.types.unit); } - FallbackToNiko => { + DivergingFallbackBehavior::ContextDependent => { if found_infer_var_info.self_in_trait && found_infer_var_info.output { // This case falls back to () to ensure that the code pattern in // tests/ui/never_type/fallback-closure-ret.rs continues to @@ -445,14 +444,14 @@ impl<'tcx> FnCtxt<'_, 'tcx> { fallback_to(self.tcx.types.never); } } - FallbackToNever => { + DivergingFallbackBehavior::ToNever => { debug!( "fallback to ! - `rustc_never_type_mode = \"fallback_to_never\")`: {:?}", diverging_vid ); fallback_to(self.tcx.types.never); } - NoFallback => { + DivergingFallbackBehavior::NoFallback => { debug!( "no fallback - `rustc_never_type_mode = \"no_fallback\"`: {:?}", diverging_vid diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs index 10d832f97264..d6c6093e3190 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs @@ -390,27 +390,23 @@ fn never_type_behavior(tcx: TyCtxt<'_>) -> (DivergingFallbackBehavior, Diverging /// Returns the default fallback which is used when there is no explicit override via `#![never_type_options(...)]`. fn default_fallback(tcx: TyCtxt<'_>) -> DivergingFallbackBehavior { - use DivergingFallbackBehavior::*; - // Edition 2024: fallback to `!` if tcx.sess.edition().at_least_rust_2024() { - return FallbackToNever; + return DivergingFallbackBehavior::ToNever; } // `feature(never_type_fallback)`: fallback to `!` or `()` trying to not break stuff if tcx.features().never_type_fallback { - return FallbackToNiko; + return DivergingFallbackBehavior::ContextDependent; } // Otherwise: fallback to `()` - FallbackToUnit + DivergingFallbackBehavior::ToUnit } fn parse_never_type_options_attr( tcx: TyCtxt<'_>, ) -> (Option, Option) { - use DivergingFallbackBehavior::*; - // Error handling is dubious here (unwraps), but that's probably fine for an internal attribute. // Just don't write incorrect attributes <3 @@ -426,10 +422,10 @@ fn parse_never_type_options_attr( if item.has_name(sym::fallback) && fallback.is_none() { let mode = item.value_str().unwrap(); match mode { - sym::unit => fallback = Some(FallbackToUnit), - sym::niko => fallback = Some(FallbackToNiko), - sym::never => fallback = Some(FallbackToNever), - sym::no => fallback = Some(NoFallback), + sym::unit => fallback = Some(DivergingFallbackBehavior::ToUnit), + sym::niko => fallback = Some(DivergingFallbackBehavior::ContextDependent), + sym::never => fallback = Some(DivergingFallbackBehavior::ToNever), + sym::no => fallback = Some(DivergingFallbackBehavior::NoFallback), _ => { tcx.dcx().span_err(item.span(), format!("unknown never type fallback mode: `{mode}` (supported: `unit`, `niko`, `never` and `no`)")); } From f0b8da4430971ce1a34848852849b8b4e3f20778 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Fri, 17 May 2024 13:29:43 -0400 Subject: [PATCH 0183/1716] rewrite no-intermediate-extras --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - .../run-make/no-intermediate-extras/Makefile | 8 ------- .../run-make/no-intermediate-extras/rmake.rs | 21 +++++++++++++++++++ 3 files changed, 21 insertions(+), 9 deletions(-) delete mode 100644 tests/run-make/no-intermediate-extras/Makefile create mode 100644 tests/run-make/no-intermediate-extras/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 1a3d6f8d8136..4f0397357aeb 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -179,7 +179,6 @@ run-make/no-alloc-shim/Makefile run-make/no-builtins-attribute/Makefile run-make/no-builtins-lto/Makefile run-make/no-duplicate-libs/Makefile -run-make/no-intermediate-extras/Makefile run-make/obey-crate-type-flag/Makefile run-make/optimization-remarks-dir-pgo/Makefile run-make/optimization-remarks-dir/Makefile diff --git a/tests/run-make/no-intermediate-extras/Makefile b/tests/run-make/no-intermediate-extras/Makefile deleted file mode 100644 index 83b5cedcf2a6..000000000000 --- a/tests/run-make/no-intermediate-extras/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -# ignore-cross-compile -# Regression test for issue #10973 - -include ../tools.mk - -all: - $(RUSTC) --crate-type=rlib --test foo.rs - rm $(TMPDIR)/foo.bc && exit 1 || exit 0 diff --git a/tests/run-make/no-intermediate-extras/rmake.rs b/tests/run-make/no-intermediate-extras/rmake.rs new file mode 100644 index 000000000000..4ca95a1538df --- /dev/null +++ b/tests/run-make/no-intermediate-extras/rmake.rs @@ -0,0 +1,21 @@ +// When using the --test flag with an rlib, this used to generate +// an unwanted .bc file, which should not exist. This test checks +// that the bug causing the generation of this file has not returned. +// See https://github.com/rust-lang/rust/issues/10973 + +//@ ignore-cross-compile + +use run_make_support::{rustc, tmp_dir}; + +fn main() { + rustc().crate_type("rlib").arg("--test").input("foo.rs").run(); + match fs::remove_file(tmp_dir().join("foo.bc")) { + Ok(_) => { + println!("An unwanted .bc file was created by run-make/no-intermediate-extras."); + std::process::exit(0); + }, + Err(e) => { + std::process::exit(1); + } + } +} From abdaed2fa9b0927b1b26183fd7f8ee23ef92e4c9 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Fri, 17 May 2024 14:06:38 -0400 Subject: [PATCH 0184/1716] tidy fix --- tests/run-make/no-intermediate-extras/rmake.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tests/run-make/no-intermediate-extras/rmake.rs b/tests/run-make/no-intermediate-extras/rmake.rs index 4ca95a1538df..dffe423296a2 100644 --- a/tests/run-make/no-intermediate-extras/rmake.rs +++ b/tests/run-make/no-intermediate-extras/rmake.rs @@ -8,12 +8,12 @@ use run_make_support::{rustc, tmp_dir}; fn main() { - rustc().crate_type("rlib").arg("--test").input("foo.rs").run(); + rustc().crate_type("rlib").arg("--test").input("foo.rs").run(); match fs::remove_file(tmp_dir().join("foo.bc")) { Ok(_) => { println!("An unwanted .bc file was created by run-make/no-intermediate-extras."); std::process::exit(0); - }, + } Err(e) => { std::process::exit(1); } From 9d0b75f75e760e3fd9c31933439b55c38a8fb00d Mon Sep 17 00:00:00 2001 From: Julien <96022417+Oneirical@users.noreply.github.com> Date: Fri, 17 May 2024 14:55:14 -0400 Subject: [PATCH 0185/1716] missing import --- tests/run-make/no-intermediate-extras/rmake.rs | 1 + 1 file changed, 1 insertion(+) diff --git a/tests/run-make/no-intermediate-extras/rmake.rs b/tests/run-make/no-intermediate-extras/rmake.rs index dffe423296a2..615a217cd139 100644 --- a/tests/run-make/no-intermediate-extras/rmake.rs +++ b/tests/run-make/no-intermediate-extras/rmake.rs @@ -6,6 +6,7 @@ //@ ignore-cross-compile use run_make_support::{rustc, tmp_dir}; +use std::fs; fn main() { rustc().crate_type("rlib").arg("--test").input("foo.rs").run(); From 8c43e54ad96b7cf2d6b57d0857325165f8ac5114 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Fri, 17 May 2024 15:42:33 -0400 Subject: [PATCH 0186/1716] fix: swap the error codes --- tests/run-make/no-intermediate-extras/rmake.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tests/run-make/no-intermediate-extras/rmake.rs b/tests/run-make/no-intermediate-extras/rmake.rs index 615a217cd139..bc82b18c4cfa 100644 --- a/tests/run-make/no-intermediate-extras/rmake.rs +++ b/tests/run-make/no-intermediate-extras/rmake.rs @@ -13,10 +13,10 @@ fn main() { match fs::remove_file(tmp_dir().join("foo.bc")) { Ok(_) => { println!("An unwanted .bc file was created by run-make/no-intermediate-extras."); - std::process::exit(0); + std::process::exit(1); } Err(e) => { - std::process::exit(1); + std::process::exit(0); } } } From 6016bad0636f3597851bf4d8e2b7262932dfb777 Mon Sep 17 00:00:00 2001 From: Mads Marquart Date: Fri, 17 May 2024 22:11:50 +0200 Subject: [PATCH 0187/1716] Use `_NSGetEnviron` instead of `environ` on iOS/tvOS/watchOS/visionOS This should be slightly more correct, and matches the implementation in other programming languages: - [Python's `os.environ`](https://github.com/python/cpython/blob/v3.12.3/Modules/posixmodule.c#L1562-L1566). - [Swift's `Darwin.environ`](https://github.com/apple/swift-corelibs-foundation/blob/swift-5.10-RELEASE/CoreFoundation/Base.subproj/CFPlatform.c#L1811-L1812), though that library is bundled on the system, so they can change it if they want. - [Dart/Flutter](https://github.com/dart-lang/sdk/blob/3.4.0/runtime/bin/platform_macos.cc#L205-L234), doesn't support environment variables on iOS. - Node seems to not be entirely consistent with it: - [`process.c`](https://github.com/nodejs/node/blob/v22.1.0/deps/uv/src/unix/process.c#L38). - [`unix/core.c`](https://github.com/nodejs/node/blob/v22.1.0/deps/uv/src/unix/core.c#L59). - [.NET/Xamarin](https://github.com/dotnet/runtime/blob/v8.0.5/src/native/libs/configure.cmake#L1099-L1106). - [OpenJDK](https://github.com/openjdk/jdk/blob/jdk-23%2B22/src/java.base/unix/native/libjava/ProcessEnvironment_md.c#L31-L33). --- library/std/src/sys/pal/unix/os.rs | 28 ++++++++++++++++++++++++++-- 1 file changed, 26 insertions(+), 2 deletions(-) diff --git a/library/std/src/sys/pal/unix/os.rs b/library/std/src/sys/pal/unix/os.rs index 3a281525f8df..8afc49f52274 100644 --- a/library/std/src/sys/pal/unix/os.rs +++ b/library/std/src/sys/pal/unix/os.rs @@ -576,12 +576,36 @@ impl Iterator for Env { } } -#[cfg(target_os = "macos")] +// Use `_NSGetEnviron` on Apple platforms. +// +// `_NSGetEnviron` is the documented alternative (see `man environ`), and has +// been available since the first versions of both macOS and iOS. +// +// Nowadays, specifically since macOS 10.8, `environ` has been exposed through +// `libdyld.dylib`, which is linked via. `libSystem.dylib`: +// +// +// So in the end, it likely doesn't really matter which option we use, but the +// performance cost of using `_NSGetEnviron` is extremely miniscule, and it +// might be ever so slightly more supported, so let's just use that. +// +// NOTE: The header where this is defined (`crt_externs.h`) was added to the +// iOS 13.0 SDK, which has been the source of a great deal of confusion in the +// past about the availability of this API. +// +// NOTE(madsmtm): Neither this nor using `environ` has been verified to not +// cause App Store rejections; if this is found to be the case, an alternative +// implementation of this is possible using `[NSProcessInfo environment]` +// - which internally uses `_NSGetEnviron` and a system-wide lock on the +// environment variables to protect against `setenv`, so using that might be +// desirable anyhow? Though it also means that we have to link to Foundation. +#[cfg(target_vendor = "apple")] pub unsafe fn environ() -> *mut *const *const c_char { libc::_NSGetEnviron() as *mut *const *const c_char } -#[cfg(not(target_os = "macos"))] +// Use the `environ` static which is part of POSIX. +#[cfg(not(target_vendor = "apple"))] pub unsafe fn environ() -> *mut *const *const c_char { extern "C" { static mut environ: *const *const c_char; From 8f18e4fe4bd8cce290c42b662e8db6897b47582d Mon Sep 17 00:00:00 2001 From: Mads Marquart Date: Fri, 17 May 2024 22:01:54 +0200 Subject: [PATCH 0188/1716] Use `_NSGetArgc`/`_NSGetArgv` on iOS/tvOS/watchOS/visionOS If we're comfortable using `_NSGetEnviron` from `crt_externs.h`, there shouldn't be an issue with using these either, and then we can merge with the macOS implementation. This also fixes two test cases on Mac Catalyst: - `tests/ui/command/command-argv0.rs`, maybe because `[[NSProcessInfo processInfo] arguments]` somehow converts the name of the first argument? - `tests/ui/env-funky-keys.rs` since we no longer link to Foundation. --- library/std/src/sys/pal/unix/args.rs | 92 +++++----------------------- library/std/src/sys/pal/unix/mod.rs | 11 ++-- 2 files changed, 19 insertions(+), 84 deletions(-) diff --git a/library/std/src/sys/pal/unix/args.rs b/library/std/src/sys/pal/unix/args.rs index 2a3298e8b4c9..66ee45be1a9a 100644 --- a/library/std/src/sys/pal/unix/args.rs +++ b/library/std/src/sys/pal/unix/args.rs @@ -168,16 +168,28 @@ mod imp { } } +// Use `_NSGetArgc` and `_NSGetArgv` on Apple platforms. +// +// Even though these have underscores in their names, they've been available +// since since the first versions of both macOS and iOS, and are declared in +// the header `crt_externs.h`. +// +// NOTE: This header was added to the iOS 13.0 SDK, which has been the source +// of a great deal of confusion in the past about the availability of these +// APIs. +// +// NOTE(madsmtm): This has not strictly been verified to not cause App Store +// rejections; if this is found to be the case, the previous implementation +// of this used `[[NSProcessInfo processInfo] arguments]`. #[cfg(target_vendor = "apple")] mod imp { use super::Args; use crate::ffi::CStr; + use crate::os::unix::prelude::*; pub unsafe fn init(_argc: isize, _argv: *const *const u8) {} - #[cfg(target_os = "macos")] pub fn args() -> Args { - use crate::os::unix::prelude::*; extern "C" { // These functions are in crt_externs.h. fn _NSGetArgc() -> *mut libc::c_int; @@ -196,82 +208,6 @@ mod imp { }; Args { iter: vec.into_iter() } } - - // As _NSGetArgc and _NSGetArgv aren't mentioned in iOS docs - // and use underscores in their names - they're most probably - // are considered private and therefore should be avoided. - // Here is another way to get arguments using the Objective-C - // runtime. - // - // In general it looks like: - // res = Vec::new() - // let args = [[NSProcessInfo processInfo] arguments] - // for i in (0..[args count]) - // res.push([args objectAtIndex:i]) - // res - #[cfg(not(target_os = "macos"))] - pub fn args() -> Args { - use crate::ffi::{c_char, c_void, OsString}; - use crate::mem; - use crate::str; - - type Sel = *const c_void; - type NsId = *const c_void; - type NSUInteger = usize; - - extern "C" { - fn sel_registerName(name: *const c_char) -> Sel; - fn objc_getClass(class_name: *const c_char) -> NsId; - - // This must be transmuted to an appropriate function pointer type before being called. - fn objc_msgSend(); - } - - const MSG_SEND_PTR: unsafe extern "C" fn() = objc_msgSend; - const MSG_SEND_NO_ARGUMENTS_RETURN_PTR: unsafe extern "C" fn(NsId, Sel) -> *const c_void = - unsafe { mem::transmute(MSG_SEND_PTR) }; - const MSG_SEND_NO_ARGUMENTS_RETURN_NSUINTEGER: unsafe extern "C" fn( - NsId, - Sel, - ) -> NSUInteger = unsafe { mem::transmute(MSG_SEND_PTR) }; - const MSG_SEND_NSINTEGER_ARGUMENT_RETURN_PTR: unsafe extern "C" fn( - NsId, - Sel, - NSUInteger, - ) - -> *const c_void = unsafe { mem::transmute(MSG_SEND_PTR) }; - - let mut res = Vec::new(); - - unsafe { - let process_info_sel = sel_registerName(c"processInfo".as_ptr()); - let arguments_sel = sel_registerName(c"arguments".as_ptr()); - let count_sel = sel_registerName(c"count".as_ptr()); - let object_at_index_sel = sel_registerName(c"objectAtIndex:".as_ptr()); - let utf8string_sel = sel_registerName(c"UTF8String".as_ptr()); - - let klass = objc_getClass(c"NSProcessInfo".as_ptr()); - // `+[NSProcessInfo processInfo]` returns an object with +0 retain count, so no need to manually `retain/release`. - let info = MSG_SEND_NO_ARGUMENTS_RETURN_PTR(klass, process_info_sel); - - // `-[NSProcessInfo arguments]` returns an object with +0 retain count, so no need to manually `retain/release`. - let args = MSG_SEND_NO_ARGUMENTS_RETURN_PTR(info, arguments_sel); - - let cnt = MSG_SEND_NO_ARGUMENTS_RETURN_NSUINTEGER(args, count_sel); - for i in 0..cnt { - // `-[NSArray objectAtIndex:]` returns an object whose lifetime is tied to the array, so no need to manually `retain/release`. - let ns_string = - MSG_SEND_NSINTEGER_ARGUMENT_RETURN_PTR(args, object_at_index_sel, i); - // The lifetime of this pointer is tied to the NSString, as well as the current autorelease pool, which is why we heap-allocate the string below. - let utf_c_str: *const c_char = - MSG_SEND_NO_ARGUMENTS_RETURN_PTR(ns_string, utf8string_sel).cast(); - let bytes = CStr::from_ptr(utf_c_str).to_bytes(); - res.push(OsString::from(str::from_utf8(bytes).unwrap())) - } - } - - Args { iter: res.into_iter() } - } } #[cfg(any(target_os = "espidf", target_os = "vita"))] diff --git a/library/std/src/sys/pal/unix/mod.rs b/library/std/src/sys/pal/unix/mod.rs index 21f233e22620..735ed96bc7b1 100644 --- a/library/std/src/sys/pal/unix/mod.rs +++ b/library/std/src/sys/pal/unix/mod.rs @@ -399,14 +399,13 @@ cfg_if::cfg_if! { // Use libumem for the (malloc-compatible) allocator #[link(name = "umem")] extern "C" {} - } else if #[cfg(target_os = "macos")] { + } else if #[cfg(target_vendor = "apple")] { + // Link to `libSystem.dylib`. + // + // Don't get confused by the presence of `System.framework`, + // it is a deprecated wrapper over the dynamic library. #[link(name = "System")] extern "C" {} - } else if #[cfg(all(target_vendor = "apple", not(target_os = "macos")))] { - #[link(name = "System")] - #[link(name = "objc")] - #[link(name = "Foundation", kind = "framework")] - extern "C" {} } else if #[cfg(target_os = "fuchsia")] { #[link(name = "zircon")] #[link(name = "fdio")] From 9f730e92f24ebd21b94112e46a0e44bdf7730e27 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Esteban=20K=C3=BCber?= Date: Fri, 3 May 2024 21:42:34 +0000 Subject: [PATCH 0189/1716] Suggest setting lifetime in borrowck error involving types with elided lifetimes ``` error: lifetime may not live long enough --> $DIR/ex3-both-anon-regions-both-are-structs-2.rs:7:5 | LL | fn foo(mut x: Ref, y: Ref) { | ----- - has type `Ref<'_, '1>` | | | has type `Ref<'_, '2>` LL | x.b = y.b; | ^^^^^^^^^ assignment requires that `'1` must outlive `'2` | help: consider introducing a named lifetime parameter | LL | fn foo<'a>(mut x: Ref<'a, 'a>, y: Ref<'a, 'a>) { | ++++ ++++++++ ++++++++ ``` As can be seen above, it currently doesn't try to compare the `ty::Ty` lifetimes that diverged vs the `hir::Ty` to correctly suggest the following ``` help: consider introducing a named lifetime parameter | LL | fn foo<'a>(mut x: Ref<'_, 'a>, y: Ref<'_, 'a>) { | ++++ ++++++++ ++++++++ ``` but I believe this to still be an improvement over the status quo. CC #40990. --- compiler/rustc_infer/src/errors/mod.rs | 105 +++++++++++++----- ...ne-existing-name-if-else-using-impl.stderr | 5 + ...e-existing-name-return-type-is-anon.stderr | 5 + ...turn-one-existing-name-self-is-anon.stderr | 5 + .../ex2b-push-no-existing-names.stderr | 5 + ...oth-anon-regions-both-are-structs-2.stderr | 5 + ...oth-anon-regions-both-are-structs-3.stderr | 5 + ...-both-anon-regions-both-are-structs.stderr | 5 + ...3-both-anon-regions-one-is-struct-2.stderr | 5 + ...3-both-anon-regions-one-is-struct-3.stderr | 5 + ...3-both-anon-regions-one-is-struct-4.stderr | 5 + ...ex3-both-anon-regions-one-is-struct.stderr | 5 + ...f_types_pin_lifetime_mismatch-async.stderr | 5 + ...ry_self_types_pin_lifetime_mismatch.stderr | 5 + 14 files changed, 140 insertions(+), 30 deletions(-) diff --git a/compiler/rustc_infer/src/errors/mod.rs b/compiler/rustc_infer/src/errors/mod.rs index 2acaeac24398..039472398964 100644 --- a/compiler/rustc_infer/src/errors/mod.rs +++ b/compiler/rustc_infer/src/errors/mod.rs @@ -4,6 +4,7 @@ use rustc_errors::{ MultiSpan, SubdiagMessageOp, Subdiagnostic, }; use rustc_hir as hir; +use rustc_hir::intravisit::{walk_ty, Visitor}; use rustc_hir::FnRetTy; use rustc_macros::{Diagnostic, Subdiagnostic}; use rustc_middle::ty::print::TraitRefPrintOnlyTraitPath; @@ -355,18 +356,6 @@ impl Subdiagnostic for AddLifetimeParamsSuggestion<'_> { _f: &F, ) { let mut mk_suggestion = || { - let ( - hir::Ty { kind: hir::TyKind::Ref(lifetime_sub, _), .. }, - hir::Ty { kind: hir::TyKind::Ref(lifetime_sup, _), .. }, - ) = (self.ty_sub, self.ty_sup) - else { - return false; - }; - - if !lifetime_sub.is_anonymous() || !lifetime_sup.is_anonymous() { - return false; - }; - let Some(anon_reg) = self.tcx.is_suitable_region(self.sub) else { return false; }; @@ -393,21 +382,77 @@ impl Subdiagnostic for AddLifetimeParamsSuggestion<'_> { let suggestion_param_name = suggestion_param_name.map(|n| n.to_string()).unwrap_or_else(|| "'a".to_owned()); - debug!(?lifetime_sup.ident.span); - debug!(?lifetime_sub.ident.span); - let make_suggestion = |ident: Ident| { - let sugg = if ident.name == kw::Empty { - format!("{suggestion_param_name}, ") - } else if ident.name == kw::UnderscoreLifetime && ident.span.is_empty() { - format!("{suggestion_param_name} ") - } else { - suggestion_param_name.clone() - }; - (ident.span, sugg) - }; - let mut suggestions = - vec![make_suggestion(lifetime_sub.ident), make_suggestion(lifetime_sup.ident)]; + struct ImplicitLifetimeFinder { + suggestions: Vec<(Span, String)>, + suggestion_param_name: String, + } + impl<'v> Visitor<'v> for ImplicitLifetimeFinder { + fn visit_ty(&mut self, ty: &'v hir::Ty<'v>) { + let make_suggestion = |ident: Ident| { + if ident.name == kw::Empty && ident.span.is_empty() { + format!("{}, ", self.suggestion_param_name) + } else if ident.name == kw::UnderscoreLifetime && ident.span.is_empty() { + format!("{} ", self.suggestion_param_name) + } else { + self.suggestion_param_name.clone() + } + }; + match ty.kind { + hir::TyKind::Path(hir::QPath::Resolved(_, path)) => { + for segment in path.segments { + if let Some(args) = segment.args { + if args.args.iter().all(|arg| { + matches!( + arg, + hir::GenericArg::Lifetime(lifetime) + if lifetime.ident.name == kw::Empty + ) + }) { + self.suggestions.push(( + segment.ident.span.shrink_to_hi(), + format!( + "<{}>", + args.args + .iter() + .map(|_| self.suggestion_param_name.clone()) + .collect::>() + .join(", ") + ), + )); + } else { + for arg in args.args { + if let hir::GenericArg::Lifetime(lifetime) = arg + && lifetime.is_anonymous() + { + self.suggestions.push(( + lifetime.ident.span, + make_suggestion(lifetime.ident), + )); + } + } + } + } + } + } + hir::TyKind::Ref(lifetime, ..) if lifetime.is_anonymous() => { + self.suggestions + .push((lifetime.ident.span, make_suggestion(lifetime.ident))); + } + _ => {} + } + walk_ty(self, ty); + } + } + let mut visitor = ImplicitLifetimeFinder { + suggestions: vec![], + suggestion_param_name: suggestion_param_name.clone(), + }; + visitor.visit_ty(self.ty_sub); + visitor.visit_ty(self.ty_sup); + if visitor.suggestions.is_empty() { + return false; + } if introduce_new { let new_param_suggestion = if let Some(first) = generics.params.iter().find(|p| !p.name.ident().span.is_empty()) @@ -417,15 +462,15 @@ impl Subdiagnostic for AddLifetimeParamsSuggestion<'_> { (generics.span, format!("<{suggestion_param_name}>")) }; - suggestions.push(new_param_suggestion); + visitor.suggestions.push(new_param_suggestion); } - - diag.multipart_suggestion( + diag.multipart_suggestion_verbose( fluent::infer_lifetime_param_suggestion, - suggestions, + visitor.suggestions, Applicability::MaybeIncorrect, ); diag.arg("is_impl", is_impl); + true }; if mk_suggestion() && self.add_note { diff --git a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl.stderr b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl.stderr index 5827b2fe695a..6bc82910b06a 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl.stderr @@ -8,6 +8,11 @@ LL | fn foo<'a>(x: &i32, y: &'a i32) -> &'a i32 { LL | LL | if x > y { x } else { y } | ^ associated function was supposed to return data with lifetime `'a` but it is returning data with lifetime `'1` + | +help: consider introducing a named lifetime parameter and update trait if needed + | +LL | fn foo<'a>(x: &'a i32, y: &'a i32) -> &'a i32 { + | ++ error: aborting due to 1 previous error diff --git a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.stderr b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.stderr index da454b8fd863..cdcdc0c07e3a 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.stderr @@ -8,6 +8,11 @@ LL | fn foo<'a>(&self, x: &'a i32) -> &i32 { LL | LL | x | ^ method was supposed to return data with lifetime `'1` but it is returning data with lifetime `'a` + | +help: consider introducing a named lifetime parameter and update trait if needed + | +LL | fn foo<'a>(&'a self, x: &'a i32) -> &i32 { + | ++ error: aborting due to 1 previous error diff --git a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-self-is-anon.stderr b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-self-is-anon.stderr index a1dfff883a00..f106d45b9acd 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-self-is-anon.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-self-is-anon.stderr @@ -8,6 +8,11 @@ LL | fn foo<'a>(&self, x: &'a Foo) -> &'a Foo { LL | LL | if true { x } else { self } | ^^^^ method was supposed to return data with lifetime `'a` but it is returning data with lifetime `'1` + | +help: consider introducing a named lifetime parameter and update trait if needed + | +LL | fn foo<'a>(&'a self, x: &'a Foo) -> &'a Foo { + | ++ error: aborting due to 1 previous error diff --git a/tests/ui/lifetimes/lifetime-errors/ex2b-push-no-existing-names.stderr b/tests/ui/lifetimes/lifetime-errors/ex2b-push-no-existing-names.stderr index df1d03d51703..6f7127d4c4c4 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex2b-push-no-existing-names.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex2b-push-no-existing-names.stderr @@ -7,6 +7,11 @@ LL | fn foo(x: &mut Vec>, y: Ref) { | has type `&mut Vec>` LL | x.push(y); | ^^^^^^^^^ argument requires that `'1` must outlive `'2` + | +help: consider introducing a named lifetime parameter + | +LL | fn foo<'a>(x: &mut Vec>, y: Ref<'a, i32>) { + | ++++ +++ +++ error: aborting due to 1 previous error diff --git a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-2.stderr b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-2.stderr index 4f1cb1e79722..f8ad923cce8a 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-2.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-2.stderr @@ -7,6 +7,11 @@ LL | fn foo(mut x: Ref, y: Ref) { | has type `Ref<'_, '2>` LL | x.b = y.b; | ^^^^^^^^^ assignment requires that `'1` must outlive `'2` + | +help: consider introducing a named lifetime parameter + | +LL | fn foo<'a>(mut x: Ref<'a, 'a>, y: Ref<'a, 'a>) { + | ++++ ++++++++ ++++++++ error: aborting due to 1 previous error diff --git a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-3.stderr b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-3.stderr index 3a1947973b55..a1149779d2c6 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-3.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs-3.stderr @@ -8,6 +8,11 @@ LL | fn foo(mut x: Ref) { | has type `Ref<'2, '_>` LL | x.a = x.b; | ^^^^^^^^^ assignment requires that `'1` must outlive `'2` + | +help: consider introducing a named lifetime parameter + | +LL | fn foo<'a>(mut x: Ref<'a, 'a>) { + | ++++ ++++++++ error: aborting due to 1 previous error diff --git a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs.stderr b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs.stderr index c778f77366ab..017bfa714631 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-both-are-structs.stderr @@ -7,6 +7,11 @@ LL | fn foo(mut x: Vec, y: Ref) { | has type `Vec>` LL | x.push(y); | ^^^^^^^^^ argument requires that `'1` must outlive `'2` + | +help: consider introducing a named lifetime parameter + | +LL | fn foo<'a>(mut x: Vec>, y: Ref<'a>) { + | ++++ ++++ ++++ error: aborting due to 1 previous error diff --git a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-2.stderr b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-2.stderr index bbd62902d9f4..0980de92d350 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-2.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-2.stderr @@ -7,6 +7,11 @@ LL | fn foo(mut x: Ref, y: &u32) { | has type `Ref<'_, '1>` LL | y = x.b; | ^^^^^^^ assignment requires that `'1` must outlive `'2` + | +help: consider introducing a named lifetime parameter + | +LL | fn foo<'a>(mut x: Ref<'a, 'a>, y: &'a u32) { + | ++++ ++++++++ ++ error[E0384]: cannot assign to immutable argument `y` --> $DIR/ex3-both-anon-regions-one-is-struct-2.rs:4:5 diff --git a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-3.stderr b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-3.stderr index 60ca41684551..d9c7530b64c5 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-3.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-3.stderr @@ -7,6 +7,11 @@ LL | fn foo(mut y: Ref, x: &u32) { | has type `Ref<'_, '2>` LL | y.b = x; | ^^^^^^^ assignment requires that `'1` must outlive `'2` + | +help: consider introducing a named lifetime parameter + | +LL | fn foo<'a>(mut y: Ref<'a, 'a>, x: &'a u32) { + | ++++ ++++++++ ++ error: aborting due to 1 previous error diff --git a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-4.stderr b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-4.stderr index 98e490c3827b..d07b821444cc 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-4.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct-4.stderr @@ -7,6 +7,11 @@ LL | fn foo(mut y: Ref, x: &u32) { | has type `Ref<'_, '2>` LL | y.b = x; | ^^^^^^^ assignment requires that `'1` must outlive `'2` + | +help: consider introducing a named lifetime parameter + | +LL | fn foo<'a>(mut y: Ref<'a, 'a>, x: &'a u32) { + | ++++ ++++++++ ++ error: aborting due to 1 previous error diff --git a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct.stderr b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct.stderr index ea1cc1f18a4d..ef28ddeacc5e 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-one-is-struct.stderr @@ -7,6 +7,11 @@ LL | fn foo(mut x: Ref, y: &u32) { | has type `Ref<'_, '2>` LL | x.b = y; | ^^^^^^^ assignment requires that `'1` must outlive `'2` + | +help: consider introducing a named lifetime parameter + | +LL | fn foo<'a>(mut x: Ref<'a, 'a>, y: &'a u32) { + | ++++ ++++++++ ++ error: aborting due to 1 previous error diff --git a/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch-async.stderr b/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch-async.stderr index 0b4c0a7fecec..bb643ab82722 100644 --- a/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch-async.stderr +++ b/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch-async.stderr @@ -34,6 +34,11 @@ LL | async fn bar<'a>(self: Alias<&Self>, arg: &'a ()) -> &() { arg } | | | | | let's call the lifetime of this reference `'1` | lifetime `'a` defined here + | +help: consider introducing a named lifetime parameter and update trait if needed + | +LL | async fn bar<'a>(self: Alias<&'a Self>, arg: &'a ()) -> &() { arg } + | ++ error: aborting due to 3 previous errors diff --git a/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.stderr b/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.stderr index 209dae9c1b3e..bbb2ef4641e7 100644 --- a/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.stderr +++ b/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.stderr @@ -33,6 +33,11 @@ LL | fn bar<'a>(self: Alias<&Self>, arg: &'a ()) -> &() { arg } | -- ---- has type `Pin<&'1 Foo>` ^^^ method was supposed to return data with lifetime `'1` but it is returning data with lifetime `'a` | | | lifetime `'a` defined here + | +help: consider introducing a named lifetime parameter and update trait if needed + | +LL | fn bar<'a>(self: Alias<&'a Self>, arg: &'a ()) -> &() { arg } + | ++ error: aborting due to 3 previous errors From 120049fab4e293c19fa1c5a09d68f89bcd940b36 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Esteban=20K=C3=BCber?= Date: Sun, 5 May 2024 03:42:47 +0000 Subject: [PATCH 0190/1716] Always constrain the return type in lifetime suggestion ``` error: lifetime may not live long enough --> f205.rs:8:16 | 7 | fn resolve_symbolic_reference(&self, reference: Option) -> Option { | - --------- has type `Option>` | | | let's call the lifetime of this reference `'2` 8 | return reference; | ^^^^^^^^^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter | 7 | fn resolve_symbolic_reference<'a>(&'a self, reference: Option>) -> Option> { | ++++ ++ ++++ ++++ ``` The correct suggestion would be ``` help: consider introducing a named lifetime parameter | 7 | fn resolve_symbolic_reference<'a>(&self, reference: Option>) -> Option> { | ++++ ++++ ++++ ``` but we are not doing the analysis to detect that yet. If we constrain `&'a self`, then the return type with a borrow will implicitly take its lifetime from `'a`, it is better to make it explicit in the suggestion, in case that `&self` *doesn't* need to be `'a`, but the return does. --- compiler/rustc_infer/src/errors/mod.rs | 5 ++++ tests/ui/lifetimes/issue-17728.stderr | 4 +-- ...e-existing-name-return-type-is-anon.stderr | 4 +-- ...th-anon-regions-return-type-is-anon.stderr | 4 +-- .../ex3-both-anon-regions-self-is-anon.stderr | 4 +-- ...ry_self_types_pin_lifetime_mismatch.stderr | 12 ++++---- tests/ui/self/elision/lt-ref-self.stderr | 24 ++++++++-------- tests/ui/self/elision/ref-mut-self.stderr | 24 ++++++++-------- tests/ui/self/elision/ref-mut-struct.stderr | 20 ++++++------- tests/ui/self/elision/ref-self.stderr | 28 +++++++++---------- tests/ui/self/elision/ref-struct.stderr | 20 ++++++------- 11 files changed, 77 insertions(+), 72 deletions(-) diff --git a/compiler/rustc_infer/src/errors/mod.rs b/compiler/rustc_infer/src/errors/mod.rs index 039472398964..4db79af10a55 100644 --- a/compiler/rustc_infer/src/errors/mod.rs +++ b/compiler/rustc_infer/src/errors/mod.rs @@ -450,6 +450,11 @@ impl Subdiagnostic for AddLifetimeParamsSuggestion<'_> { }; visitor.visit_ty(self.ty_sub); visitor.visit_ty(self.ty_sup); + if let Some(fn_decl) = node.fn_decl() + && let hir::FnRetTy::Return(ty) = fn_decl.output + { + visitor.visit_ty(ty); + } if visitor.suggestions.is_empty() { return false; } diff --git a/tests/ui/lifetimes/issue-17728.stderr b/tests/ui/lifetimes/issue-17728.stderr index 23547f722a11..da4ce2dd2911 100644 --- a/tests/ui/lifetimes/issue-17728.stderr +++ b/tests/ui/lifetimes/issue-17728.stderr @@ -29,8 +29,8 @@ LL | Some(entry) => Ok(entry), | help: consider introducing a named lifetime parameter | -LL | fn attemptTraverse<'a>(&'a self, room: &'a Room, directionStr: &str) -> Result<&Room, &str> { - | ++++ ++ ++ +LL | fn attemptTraverse<'a>(&'a self, room: &'a Room, directionStr: &str) -> Result<&'a Room, &'a str> { + | ++++ ++ ++ ++ ++ error: aborting due to 2 previous errors diff --git a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.stderr b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.stderr index cdcdc0c07e3a..5cfa57172240 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.stderr @@ -11,8 +11,8 @@ LL | x | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn foo<'a>(&'a self, x: &'a i32) -> &i32 { - | ++ +LL | fn foo<'a>(&'a self, x: &'a i32) -> &'a i32 { + | ++ ++ error: aborting due to 1 previous error diff --git a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.stderr b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.stderr index e934ce7c040e..fd15d516999c 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.stderr @@ -10,8 +10,8 @@ LL | x | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn foo<'a>(&'a self, x: &'a i32) -> &i32 { - | ++ ++ +LL | fn foo<'a>(&'a self, x: &'a i32) -> &'a i32 { + | ++ ++ ++ error: aborting due to 1 previous error diff --git a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-self-is-anon.stderr b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-self-is-anon.stderr index dde271d100c5..0a312cf93c8d 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-self-is-anon.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-self-is-anon.stderr @@ -10,8 +10,8 @@ LL | if true { x } else { self } | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn foo<'a>(&'a self, x: &'a Foo) -> &Foo { - | ++ ++ +LL | fn foo<'a>(&'a self, x: &'a Foo) -> &'a Foo { + | ++ ++ ++ error: aborting due to 1 previous error diff --git a/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.stderr b/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.stderr index bbb2ef4641e7..3e2bbd37f33f 100644 --- a/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.stderr +++ b/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.stderr @@ -9,8 +9,8 @@ LL | fn a(self: Pin<&Foo>, f: &Foo) -> &Foo { f } | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn a<'a>(self: Pin<&'a Foo>, f: &'a Foo) -> &Foo { f } - | ++++ ++ ++ +LL | fn a<'a>(self: Pin<&'a Foo>, f: &'a Foo) -> &'a Foo { f } + | ++++ ++ ++ ++ error: lifetime may not live long enough --> $DIR/arbitrary_self_types_pin_lifetime_mismatch.rs:9:69 @@ -23,8 +23,8 @@ LL | fn c(self: Pin<&Self>, f: &Foo, g: &Foo) -> (Pin<&Foo>, &Foo) { (self, | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn c<'a>(self: Pin<&'a Self>, f: &'a Foo, g: &Foo) -> (Pin<&Foo>, &Foo) { (self, f) } - | ++++ ++ ++ +LL | fn c<'a>(self: Pin<&'a Self>, f: &'a Foo, g: &Foo) -> (Pin<&'a Foo>, &'a Foo) { (self, f) } + | ++++ ++ ++ ++ ++ error: lifetime may not live long enough --> $DIR/arbitrary_self_types_pin_lifetime_mismatch.rs:15:58 @@ -36,8 +36,8 @@ LL | fn bar<'a>(self: Alias<&Self>, arg: &'a ()) -> &() { arg } | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn bar<'a>(self: Alias<&'a Self>, arg: &'a ()) -> &() { arg } - | ++ +LL | fn bar<'a>(self: Alias<&'a Self>, arg: &'a ()) -> &'a () { arg } + | ++ ++ error: aborting due to 3 previous errors diff --git a/tests/ui/self/elision/lt-ref-self.stderr b/tests/ui/self/elision/lt-ref-self.stderr index 216737a2c733..5eaaa7698b6e 100644 --- a/tests/ui/self/elision/lt-ref-self.stderr +++ b/tests/ui/self/elision/lt-ref-self.stderr @@ -10,8 +10,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn ref_self<'a>(&'a self, f: &'a u32) -> &u32 { - | ++++ ++ ++ +LL | fn ref_self<'a>(&'a self, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ ++ error: lifetime may not live long enough --> $DIR/lt-ref-self.rs:18:9 @@ -25,8 +25,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn ref_Self<'a>(self: &'a Self, f: &'a u32) -> &u32 { - | ++++ ++ ++ +LL | fn ref_Self<'a>(self: &'a Self, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ ++ error: lifetime may not live long enough --> $DIR/lt-ref-self.rs:23:9 @@ -40,8 +40,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn box_ref_Self<'a>(self: Box<&'a Self>, f: &'a u32) -> &u32 { - | ++++ ++ ++ +LL | fn box_ref_Self<'a>(self: Box<&'a Self>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ ++ error: lifetime may not live long enough --> $DIR/lt-ref-self.rs:28:9 @@ -55,8 +55,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn pin_ref_Self<'a>(self: Pin<&'a Self>, f: &'a u32) -> &u32 { - | ++++ ++ ++ +LL | fn pin_ref_Self<'a>(self: Pin<&'a Self>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ ++ error: lifetime may not live long enough --> $DIR/lt-ref-self.rs:33:9 @@ -70,8 +70,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn box_box_ref_Self<'a>(self: Box>, f: &'a u32) -> &u32 { - | ++++ ++ ++ +LL | fn box_box_ref_Self<'a>(self: Box>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ ++ error: lifetime may not live long enough --> $DIR/lt-ref-self.rs:38:9 @@ -85,8 +85,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn box_pin_Self<'a>(self: Box>, f: &'a u32) -> &u32 { - | ++++ ++ ++ +LL | fn box_pin_Self<'a>(self: Box>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ ++ error: aborting due to 6 previous errors diff --git a/tests/ui/self/elision/ref-mut-self.stderr b/tests/ui/self/elision/ref-mut-self.stderr index 12b64a3f6dcb..8fea05e493dc 100644 --- a/tests/ui/self/elision/ref-mut-self.stderr +++ b/tests/ui/self/elision/ref-mut-self.stderr @@ -10,8 +10,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn ref_self<'a>(&'a mut self, f: &'a u32) -> &u32 { - | ++++ ++ ++ +LL | fn ref_self<'a>(&'a mut self, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-mut-self.rs:18:9 @@ -25,8 +25,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn ref_Self<'a>(self: &'a mut Self, f: &'a u32) -> &u32 { - | ++++ ++ ++ +LL | fn ref_Self<'a>(self: &'a mut Self, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-mut-self.rs:23:9 @@ -40,8 +40,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn box_ref_Self<'a>(self: Box<&'a mut Self>, f: &'a u32) -> &u32 { - | ++++ ++ ++ +LL | fn box_ref_Self<'a>(self: Box<&'a mut Self>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-mut-self.rs:28:9 @@ -55,8 +55,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn pin_ref_Self<'a>(self: Pin<&'a mut Self>, f: &'a u32) -> &u32 { - | ++++ ++ ++ +LL | fn pin_ref_Self<'a>(self: Pin<&'a mut Self>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-mut-self.rs:33:9 @@ -70,8 +70,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn box_box_ref_Self<'a>(self: Box>, f: &'a u32) -> &u32 { - | ++++ ++ ++ +LL | fn box_box_ref_Self<'a>(self: Box>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-mut-self.rs:38:9 @@ -85,8 +85,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn box_pin_ref_Self<'a>(self: Box>, f: &'a u32) -> &u32 { - | ++++ ++ ++ +LL | fn box_pin_ref_Self<'a>(self: Box>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ ++ error: aborting due to 6 previous errors diff --git a/tests/ui/self/elision/ref-mut-struct.stderr b/tests/ui/self/elision/ref-mut-struct.stderr index cde16ce8ba41..26dcfcb6dd0b 100644 --- a/tests/ui/self/elision/ref-mut-struct.stderr +++ b/tests/ui/self/elision/ref-mut-struct.stderr @@ -10,8 +10,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn ref_Struct<'a>(self: &'a mut Struct, f: &'a u32) -> &u32 { - | ++++ ++ ++ +LL | fn ref_Struct<'a>(self: &'a mut Struct, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-mut-struct.rs:16:9 @@ -25,8 +25,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn box_ref_Struct<'a>(self: Box<&'a mut Struct>, f: &'a u32) -> &u32 { - | ++++ ++ ++ +LL | fn box_ref_Struct<'a>(self: Box<&'a mut Struct>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-mut-struct.rs:21:9 @@ -40,8 +40,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn pin_ref_Struct<'a>(self: Pin<&'a mut Struct>, f: &'a u32) -> &u32 { - | ++++ ++ ++ +LL | fn pin_ref_Struct<'a>(self: Pin<&'a mut Struct>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-mut-struct.rs:26:9 @@ -55,8 +55,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn box_box_ref_Struct<'a>(self: Box>, f: &'a u32) -> &u32 { - | ++++ ++ ++ +LL | fn box_box_ref_Struct<'a>(self: Box>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-mut-struct.rs:31:9 @@ -70,8 +70,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn box_pin_ref_Struct<'a>(self: Box>, f: &'a u32) -> &u32 { - | ++++ ++ ++ +LL | fn box_pin_ref_Struct<'a>(self: Box>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ ++ error: aborting due to 5 previous errors diff --git a/tests/ui/self/elision/ref-self.stderr b/tests/ui/self/elision/ref-self.stderr index 35693257c991..8654032b0476 100644 --- a/tests/ui/self/elision/ref-self.stderr +++ b/tests/ui/self/elision/ref-self.stderr @@ -10,8 +10,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn ref_self<'a>(&'a self, f: &'a u32) -> &u32 { - | ++++ ++ ++ +LL | fn ref_self<'a>(&'a self, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-self.rs:28:9 @@ -25,8 +25,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn ref_Self<'a>(self: &'a Self, f: &'a u32) -> &u32 { - | ++++ ++ ++ +LL | fn ref_Self<'a>(self: &'a Self, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-self.rs:33:9 @@ -40,8 +40,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn box_ref_Self<'a>(self: Box<&'a Self>, f: &'a u32) -> &u32 { - | ++++ ++ ++ +LL | fn box_ref_Self<'a>(self: Box<&'a Self>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-self.rs:38:9 @@ -55,8 +55,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn pin_ref_Self<'a>(self: Pin<&'a Self>, f: &'a u32) -> &u32 { - | ++++ ++ ++ +LL | fn pin_ref_Self<'a>(self: Pin<&'a Self>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-self.rs:43:9 @@ -70,8 +70,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn box_box_ref_Self<'a>(self: Box>, f: &'a u32) -> &u32 { - | ++++ ++ ++ +LL | fn box_box_ref_Self<'a>(self: Box>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-self.rs:48:9 @@ -85,8 +85,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn box_pin_ref_Self<'a>(self: Box>, f: &'a u32) -> &u32 { - | ++++ ++ ++ +LL | fn box_pin_ref_Self<'a>(self: Box>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-self.rs:53:9 @@ -100,8 +100,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn wrap_ref_Self_Self<'a>(self: Wrap<&'a Self, Self>, f: &'a u8) -> &u8 { - | ++++ ++ ++ +LL | fn wrap_ref_Self_Self<'a>(self: Wrap<&'a Self, Self>, f: &'a u8) -> &'a u8 { + | ++++ ++ ++ ++ error: aborting due to 7 previous errors diff --git a/tests/ui/self/elision/ref-struct.stderr b/tests/ui/self/elision/ref-struct.stderr index a3d3cebeba9c..653ecc612d57 100644 --- a/tests/ui/self/elision/ref-struct.stderr +++ b/tests/ui/self/elision/ref-struct.stderr @@ -10,8 +10,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn ref_Struct<'a>(self: &'a Struct, f: &'a u32) -> &u32 { - | ++++ ++ ++ +LL | fn ref_Struct<'a>(self: &'a Struct, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-struct.rs:16:9 @@ -25,8 +25,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn box_ref_Struct<'a>(self: Box<&'a Struct>, f: &'a u32) -> &u32 { - | ++++ ++ ++ +LL | fn box_ref_Struct<'a>(self: Box<&'a Struct>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-struct.rs:21:9 @@ -40,8 +40,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn pin_ref_Struct<'a>(self: Pin<&'a Struct>, f: &'a u32) -> &u32 { - | ++++ ++ ++ +LL | fn pin_ref_Struct<'a>(self: Pin<&'a Struct>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-struct.rs:26:9 @@ -55,8 +55,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn box_box_ref_Struct<'a>(self: Box>, f: &'a u32) -> &u32 { - | ++++ ++ ++ +LL | fn box_box_ref_Struct<'a>(self: Box>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-struct.rs:31:9 @@ -70,8 +70,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn box_pin_Struct<'a>(self: Box>, f: &'a u32) -> &u32 { - | ++++ ++ ++ +LL | fn box_pin_Struct<'a>(self: Box>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ ++ error: aborting due to 5 previous errors From d1d585d039ace2ea72db8772166773a80a661905 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Esteban=20K=C3=BCber?= Date: Tue, 7 May 2024 19:35:25 +0000 Subject: [PATCH 0191/1716] Account for owning item lifetimes in suggestion and annotate tests as `run-rustfix` ``` error: lifetime may not live long enough --> $DIR/lt-ref-self.rs:12:9 | LL | fn ref_self(&self, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` | | | let's call the lifetime of this reference `'2` LL | f | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | LL | fn ref_self<'b>(&'b self, f: &'b u32) -> &'b u32 { | ++++ ++ ++ ++ ``` --- compiler/rustc_infer/src/errors/mod.rs | 42 ++++++++++++- ...ne-existing-name-return-type-is-anon.fixed | 17 ++++++ ...n-one-existing-name-return-type-is-anon.rs | 6 +- ...e-existing-name-return-type-is-anon.stderr | 2 +- ...oth-anon-regions-return-type-is-anon.fixed | 14 +++++ ...3-both-anon-regions-return-type-is-anon.rs | 4 +- ...th-anon-regions-return-type-is-anon.stderr | 2 +- ...itrary_self_types_pin_lifetime_mismatch.rs | 3 + ...ry_self_types_pin_lifetime_mismatch.stderr | 4 +- tests/ui/self/elision/lt-ref-self-async.fixed | 45 ++++++++++++++ tests/ui/self/elision/lt-ref-self-async.rs | 4 +- .../ui/self/elision/lt-ref-self-async.stderr | 12 ++-- tests/ui/self/elision/lt-ref-self.fixed | 44 ++++++++++++++ tests/ui/self/elision/lt-ref-self.rs | 3 +- tests/ui/self/elision/lt-ref-self.stderr | 24 ++++---- tests/ui/self/elision/ref-mut-self.fixed | 44 ++++++++++++++ tests/ui/self/elision/ref-mut-self.rs | 3 +- tests/ui/self/elision/ref-mut-self.stderr | 12 ++-- tests/ui/self/elision/ref-mut-struct.fixed | 37 ++++++++++++ tests/ui/self/elision/ref-mut-struct.rs | 3 +- tests/ui/self/elision/ref-mut-struct.stderr | 10 ++-- tests/ui/self/elision/ref-self.fixed | 59 +++++++++++++++++++ tests/ui/self/elision/ref-self.rs | 5 +- tests/ui/self/elision/ref-self.stderr | 14 ++--- tests/ui/self/elision/ref-struct.fixed | 37 ++++++++++++ tests/ui/self/elision/ref-struct.rs | 3 +- tests/ui/self/elision/ref-struct.stderr | 10 ++-- 27 files changed, 404 insertions(+), 59 deletions(-) create mode 100644 tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.fixed create mode 100644 tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.fixed create mode 100644 tests/ui/self/elision/lt-ref-self-async.fixed create mode 100644 tests/ui/self/elision/lt-ref-self.fixed create mode 100644 tests/ui/self/elision/ref-mut-self.fixed create mode 100644 tests/ui/self/elision/ref-mut-struct.fixed create mode 100644 tests/ui/self/elision/ref-self.fixed create mode 100644 tests/ui/self/elision/ref-struct.fixed diff --git a/compiler/rustc_infer/src/errors/mod.rs b/compiler/rustc_infer/src/errors/mod.rs index 4db79af10a55..f60ecb3f453a 100644 --- a/compiler/rustc_infer/src/errors/mod.rs +++ b/compiler/rustc_infer/src/errors/mod.rs @@ -1,4 +1,5 @@ use hir::GenericParamKind; +use rustc_data_structures::fx::FxHashSet; use rustc_errors::{ codes::*, Applicability, Diag, DiagMessage, DiagStyledString, EmissionGuarantee, IntoDiagArg, MultiSpan, SubdiagMessageOp, Subdiagnostic, @@ -362,13 +363,27 @@ impl Subdiagnostic for AddLifetimeParamsSuggestion<'_> { let node = self.tcx.hir_node_by_def_id(anon_reg.def_id); let is_impl = matches!(&node, hir::Node::ImplItem(_)); - let generics = match node { + let (generics, parent_generics) = match node { hir::Node::Item(&hir::Item { kind: hir::ItemKind::Fn(_, ref generics, ..), .. }) | hir::Node::TraitItem(&hir::TraitItem { ref generics, .. }) - | hir::Node::ImplItem(&hir::ImplItem { ref generics, .. }) => generics, + | hir::Node::ImplItem(&hir::ImplItem { ref generics, .. }) => ( + generics, + match self.tcx.parent_hir_node(self.tcx.local_def_id_to_hir_id(anon_reg.def_id)) + { + hir::Node::Item(hir::Item { + kind: hir::ItemKind::Trait(_, _, ref generics, ..), + .. + }) + | hir::Node::Item(hir::Item { + kind: hir::ItemKind::Impl(hir::Impl { ref generics, .. }), + .. + }) => Some(generics), + _ => None, + }, + ), _ => return false, }; @@ -379,8 +394,29 @@ impl Subdiagnostic for AddLifetimeParamsSuggestion<'_> { .map(|p| p.name.ident().name) .find(|i| *i != kw::UnderscoreLifetime); let introduce_new = suggestion_param_name.is_none(); + + let mut default = "'a".to_string(); + if let Some(parent_generics) = parent_generics { + let used: FxHashSet<_> = parent_generics + .params + .iter() + .filter(|p| matches!(p.kind, GenericParamKind::Lifetime { .. })) + .map(|p| p.name.ident().name) + .filter(|i| *i != kw::UnderscoreLifetime) + .map(|l| l.to_string()) + .collect(); + if let Some(lt) = + ('a'..='z').map(|it| format!("'{it}")).find(|it| !used.contains(it)) + { + // We want a lifetime that *isn't* present in the `trait` or `impl` that assoc + // `fn` belongs to. We could suggest reusing one of their lifetimes, but it is + // likely to be an over-constraining lifetime requirement, so we always add a + // lifetime to the `fn`. + default = lt; + } + } let suggestion_param_name = - suggestion_param_name.map(|n| n.to_string()).unwrap_or_else(|| "'a".to_owned()); + suggestion_param_name.map(|n| n.to_string()).unwrap_or_else(|| default); struct ImplicitLifetimeFinder { suggestions: Vec<(Span, String)>, diff --git a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.fixed b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.fixed new file mode 100644 index 000000000000..b5513818f63e --- /dev/null +++ b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.fixed @@ -0,0 +1,17 @@ +//@ run-rustfix +#![allow(dead_code)] +struct Foo { + field: i32, +} + +impl Foo { + fn foo<'a>(&'a self, x: &'a i32) -> &'a i32 { + + x + //~^ ERROR lifetime may not live long enough + + } + +} + +fn main() {} diff --git a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.rs b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.rs index 49993aca3cad..52646ff89eb2 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.rs +++ b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.rs @@ -1,5 +1,7 @@ +//@ run-rustfix +#![allow(dead_code)] struct Foo { - field: i32 + field: i32, } impl Foo { @@ -12,4 +14,4 @@ impl Foo { } -fn main() { } +fn main() {} diff --git a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.stderr b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.stderr index 5cfa57172240..e2f42cbfb286 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.stderr @@ -1,5 +1,5 @@ error: lifetime may not live long enough - --> $DIR/ex1-return-one-existing-name-return-type-is-anon.rs:8:5 + --> $DIR/ex1-return-one-existing-name-return-type-is-anon.rs:10:5 | LL | fn foo<'a>(&self, x: &'a i32) -> &i32 { | -- - let's call the lifetime of this reference `'1` diff --git a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.fixed b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.fixed new file mode 100644 index 000000000000..d9f454f346ce --- /dev/null +++ b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.fixed @@ -0,0 +1,14 @@ +//@ run-rustfix +#![allow(dead_code)] +struct Foo { + field: i32, +} + +impl Foo { + fn foo<'a>(&'a self, x: &'a i32) -> &'a i32 { + x + //~^ ERROR lifetime may not live long enough + } +} + +fn main() { } diff --git a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.rs b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.rs index 3ffd7be4e73f..bf66a551a80e 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.rs +++ b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.rs @@ -1,5 +1,7 @@ +//@ run-rustfix +#![allow(dead_code)] struct Foo { - field: i32 + field: i32, } impl Foo { diff --git a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.stderr b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.stderr index fd15d516999c..778634e95be5 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.stderr @@ -1,5 +1,5 @@ error: lifetime may not live long enough - --> $DIR/ex3-both-anon-regions-return-type-is-anon.rs:7:5 + --> $DIR/ex3-both-anon-regions-return-type-is-anon.rs:9:5 | LL | fn foo<'a>(&self, x: &i32) -> &i32 { | - - let's call the lifetime of this reference `'1` diff --git a/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.rs b/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.rs index f1a3fb0185db..3b2c8c7bc791 100644 --- a/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.rs +++ b/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.rs @@ -6,6 +6,9 @@ impl Foo { fn a(self: Pin<&Foo>, f: &Foo) -> &Foo { f } //~^ lifetime may not live long enough + // For this suggestion to be right, we'd need to also suggest `self: Pin<&'a Self>`, which we + // don't, but we provide a follow up suggestion to do so, so I condider that good at least for + // now. fn c(self: Pin<&Self>, f: &Foo, g: &Foo) -> (Pin<&Foo>, &Foo) { (self, f) } //~^ lifetime may not live long enough } diff --git a/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.stderr b/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.stderr index 3e2bbd37f33f..773f9362ec53 100644 --- a/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.stderr +++ b/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.stderr @@ -13,7 +13,7 @@ LL | fn a<'a>(self: Pin<&'a Foo>, f: &'a Foo) -> &'a Foo { f } | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/arbitrary_self_types_pin_lifetime_mismatch.rs:9:69 + --> $DIR/arbitrary_self_types_pin_lifetime_mismatch.rs:12:69 | LL | fn c(self: Pin<&Self>, f: &Foo, g: &Foo) -> (Pin<&Foo>, &Foo) { (self, f) } | - - ^^^^^^^^^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` @@ -27,7 +27,7 @@ LL | fn c<'a>(self: Pin<&'a Self>, f: &'a Foo, g: &Foo) -> (Pin<&'a Foo>, &' | ++++ ++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/arbitrary_self_types_pin_lifetime_mismatch.rs:15:58 + --> $DIR/arbitrary_self_types_pin_lifetime_mismatch.rs:18:58 | LL | fn bar<'a>(self: Alias<&Self>, arg: &'a ()) -> &() { arg } | -- ---- has type `Pin<&'1 Foo>` ^^^ method was supposed to return data with lifetime `'1` but it is returning data with lifetime `'a` diff --git a/tests/ui/self/elision/lt-ref-self-async.fixed b/tests/ui/self/elision/lt-ref-self-async.fixed new file mode 100644 index 000000000000..6d875ef0cec1 --- /dev/null +++ b/tests/ui/self/elision/lt-ref-self-async.fixed @@ -0,0 +1,45 @@ +//@ edition:2018 +//@ run-rustfix +#![allow(non_snake_case, dead_code)] + +use std::pin::Pin; + +struct Struct<'a> { data: &'a u32 } + +impl<'a> Struct<'a> { + // Test using `&self` sugar: + + async fn ref_self<'b>(&'b self, f: &'b u32) -> &u32 { + f + //~^ ERROR lifetime may not live long enough + } + + // Test using `&Self` explicitly: + + async fn ref_Self<'b>(self: &'b Self, f: &'b u32) -> &u32 { + f + //~^ ERROR lifetime may not live long enough + } + + async fn box_ref_Self<'b>(self: Box<&'b Self>, f: &'b u32) -> &u32 { + f + //~^ ERROR lifetime may not live long enough + } + + async fn pin_ref_Self<'b>(self: Pin<&'b Self>, f: &'b u32) -> &u32 { + f + //~^ ERROR lifetime may not live long enough + } + + async fn box_box_ref_Self<'b>(self: Box>, f: &'b u32) -> &u32 { + f + //~^ ERROR lifetime may not live long enough + } + + async fn box_pin_Self<'b>(self: Box>, f: &'b u32) -> &u32 { + f + //~^ ERROR lifetime may not live long enough + } +} + +fn main() { } diff --git a/tests/ui/self/elision/lt-ref-self-async.rs b/tests/ui/self/elision/lt-ref-self-async.rs index 8eb4a48a9c93..a70e22ab77ad 100644 --- a/tests/ui/self/elision/lt-ref-self-async.rs +++ b/tests/ui/self/elision/lt-ref-self-async.rs @@ -1,6 +1,6 @@ //@ edition:2018 - -#![allow(non_snake_case)] +//@ run-rustfix +#![allow(non_snake_case, dead_code)] use std::pin::Pin; diff --git a/tests/ui/self/elision/lt-ref-self-async.stderr b/tests/ui/self/elision/lt-ref-self-async.stderr index 29d60ed66352..c8b49de7671e 100644 --- a/tests/ui/self/elision/lt-ref-self-async.stderr +++ b/tests/ui/self/elision/lt-ref-self-async.stderr @@ -10,7 +10,7 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | async fn ref_self<'a>(&'a self, f: &'a u32) -> &u32 { +LL | async fn ref_self<'b>(&'b self, f: &'b u32) -> &u32 { | ++++ ++ ++ error: lifetime may not live long enough @@ -25,7 +25,7 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | async fn ref_Self<'a>(self: &'a Self, f: &'a u32) -> &u32 { +LL | async fn ref_Self<'b>(self: &'b Self, f: &'b u32) -> &u32 { | ++++ ++ ++ error: lifetime may not live long enough @@ -40,7 +40,7 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | async fn box_ref_Self<'a>(self: Box<&'a Self>, f: &'a u32) -> &u32 { +LL | async fn box_ref_Self<'b>(self: Box<&'b Self>, f: &'b u32) -> &u32 { | ++++ ++ ++ error: lifetime may not live long enough @@ -55,7 +55,7 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | async fn pin_ref_Self<'a>(self: Pin<&'a Self>, f: &'a u32) -> &u32 { +LL | async fn pin_ref_Self<'b>(self: Pin<&'b Self>, f: &'b u32) -> &u32 { | ++++ ++ ++ error: lifetime may not live long enough @@ -70,7 +70,7 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | async fn box_box_ref_Self<'a>(self: Box>, f: &'a u32) -> &u32 { +LL | async fn box_box_ref_Self<'b>(self: Box>, f: &'b u32) -> &u32 { | ++++ ++ ++ error: lifetime may not live long enough @@ -85,7 +85,7 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | async fn box_pin_Self<'a>(self: Box>, f: &'a u32) -> &u32 { +LL | async fn box_pin_Self<'b>(self: Box>, f: &'b u32) -> &u32 { | ++++ ++ ++ error: aborting due to 6 previous errors diff --git a/tests/ui/self/elision/lt-ref-self.fixed b/tests/ui/self/elision/lt-ref-self.fixed new file mode 100644 index 000000000000..c9faa86c441b --- /dev/null +++ b/tests/ui/self/elision/lt-ref-self.fixed @@ -0,0 +1,44 @@ +//@ run-rustfix +#![allow(non_snake_case, dead_code)] + +use std::pin::Pin; + +struct Struct<'a> { data: &'a u32 } + +impl<'a> Struct<'a> { + // Test using `&self` sugar: + + fn ref_self<'b>(&'b self, f: &'b u32) -> &'b u32 { + f + //~^ ERROR lifetime may not live long enough + } + + // Test using `&Self` explicitly: + + fn ref_Self<'b>(self: &'b Self, f: &'b u32) -> &'b u32 { + f + //~^ ERROR lifetime may not live long enough + } + + fn box_ref_Self<'b>(self: Box<&'b Self>, f: &'b u32) -> &'b u32 { + f + //~^ ERROR lifetime may not live long enough + } + + fn pin_ref_Self<'b>(self: Pin<&'b Self>, f: &'b u32) -> &'b u32 { + f + //~^ ERROR lifetime may not live long enough + } + + fn box_box_ref_Self<'b>(self: Box>, f: &'b u32) -> &'b u32 { + f + //~^ ERROR lifetime may not live long enough + } + + fn box_pin_Self<'b>(self: Box>, f: &'b u32) -> &'b u32 { + f + //~^ ERROR lifetime may not live long enough + } +} + +fn main() { } diff --git a/tests/ui/self/elision/lt-ref-self.rs b/tests/ui/self/elision/lt-ref-self.rs index d37ed5acbcb2..fbd0665b22d2 100644 --- a/tests/ui/self/elision/lt-ref-self.rs +++ b/tests/ui/self/elision/lt-ref-self.rs @@ -1,4 +1,5 @@ -#![allow(non_snake_case)] +//@ run-rustfix +#![allow(non_snake_case, dead_code)] use std::pin::Pin; diff --git a/tests/ui/self/elision/lt-ref-self.stderr b/tests/ui/self/elision/lt-ref-self.stderr index 5eaaa7698b6e..53b662bcb693 100644 --- a/tests/ui/self/elision/lt-ref-self.stderr +++ b/tests/ui/self/elision/lt-ref-self.stderr @@ -1,5 +1,5 @@ error: lifetime may not live long enough - --> $DIR/lt-ref-self.rs:11:9 + --> $DIR/lt-ref-self.rs:12:9 | LL | fn ref_self(&self, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -10,11 +10,11 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn ref_self<'a>(&'a self, f: &'a u32) -> &'a u32 { +LL | fn ref_self<'b>(&'b self, f: &'b u32) -> &'b u32 { | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/lt-ref-self.rs:18:9 + --> $DIR/lt-ref-self.rs:19:9 | LL | fn ref_Self(self: &Self, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -25,11 +25,11 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn ref_Self<'a>(self: &'a Self, f: &'a u32) -> &'a u32 { +LL | fn ref_Self<'b>(self: &'b Self, f: &'b u32) -> &'b u32 { | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/lt-ref-self.rs:23:9 + --> $DIR/lt-ref-self.rs:24:9 | LL | fn box_ref_Self(self: Box<&Self>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -40,11 +40,11 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn box_ref_Self<'a>(self: Box<&'a Self>, f: &'a u32) -> &'a u32 { +LL | fn box_ref_Self<'b>(self: Box<&'b Self>, f: &'b u32) -> &'b u32 { | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/lt-ref-self.rs:28:9 + --> $DIR/lt-ref-self.rs:29:9 | LL | fn pin_ref_Self(self: Pin<&Self>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -55,11 +55,11 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn pin_ref_Self<'a>(self: Pin<&'a Self>, f: &'a u32) -> &'a u32 { +LL | fn pin_ref_Self<'b>(self: Pin<&'b Self>, f: &'b u32) -> &'b u32 { | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/lt-ref-self.rs:33:9 + --> $DIR/lt-ref-self.rs:34:9 | LL | fn box_box_ref_Self(self: Box>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -70,11 +70,11 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn box_box_ref_Self<'a>(self: Box>, f: &'a u32) -> &'a u32 { +LL | fn box_box_ref_Self<'b>(self: Box>, f: &'b u32) -> &'b u32 { | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/lt-ref-self.rs:38:9 + --> $DIR/lt-ref-self.rs:39:9 | LL | fn box_pin_Self(self: Box>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -85,7 +85,7 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn box_pin_Self<'a>(self: Box>, f: &'a u32) -> &'a u32 { +LL | fn box_pin_Self<'b>(self: Box>, f: &'b u32) -> &'b u32 { | ++++ ++ ++ ++ error: aborting due to 6 previous errors diff --git a/tests/ui/self/elision/ref-mut-self.fixed b/tests/ui/self/elision/ref-mut-self.fixed new file mode 100644 index 000000000000..90e50221a19b --- /dev/null +++ b/tests/ui/self/elision/ref-mut-self.fixed @@ -0,0 +1,44 @@ +//@ run-rustfix +#![allow(non_snake_case, dead_code)] + +use std::pin::Pin; + +struct Struct { } + +impl Struct { + // Test using `&mut self` sugar: + + fn ref_self<'a>(&'a mut self, f: &'a u32) -> &'a u32 { + f + //~^ ERROR lifetime may not live long enough + } + + // Test using `&mut Self` explicitly: + + fn ref_Self<'a>(self: &'a mut Self, f: &'a u32) -> &'a u32 { + f + //~^ ERROR lifetime may not live long enough + } + + fn box_ref_Self<'a>(self: Box<&'a mut Self>, f: &'a u32) -> &'a u32 { + f + //~^ ERROR lifetime may not live long enough + } + + fn pin_ref_Self<'a>(self: Pin<&'a mut Self>, f: &'a u32) -> &'a u32 { + f + //~^ ERROR lifetime may not live long enough + } + + fn box_box_ref_Self<'a>(self: Box>, f: &'a u32) -> &'a u32 { + f + //~^ ERROR lifetime may not live long enough + } + + fn box_pin_ref_Self<'a>(self: Box>, f: &'a u32) -> &'a u32 { + f + //~^ ERROR lifetime may not live long enough + } +} + +fn main() { } diff --git a/tests/ui/self/elision/ref-mut-self.rs b/tests/ui/self/elision/ref-mut-self.rs index bb82e6be7489..a09fcdfcbb2f 100644 --- a/tests/ui/self/elision/ref-mut-self.rs +++ b/tests/ui/self/elision/ref-mut-self.rs @@ -1,4 +1,5 @@ -#![allow(non_snake_case)] +//@ run-rustfix +#![allow(non_snake_case, dead_code)] use std::pin::Pin; diff --git a/tests/ui/self/elision/ref-mut-self.stderr b/tests/ui/self/elision/ref-mut-self.stderr index 8fea05e493dc..a09034e5f71d 100644 --- a/tests/ui/self/elision/ref-mut-self.stderr +++ b/tests/ui/self/elision/ref-mut-self.stderr @@ -1,5 +1,5 @@ error: lifetime may not live long enough - --> $DIR/ref-mut-self.rs:11:9 + --> $DIR/ref-mut-self.rs:12:9 | LL | fn ref_self(&mut self, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -14,7 +14,7 @@ LL | fn ref_self<'a>(&'a mut self, f: &'a u32) -> &'a u32 { | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/ref-mut-self.rs:18:9 + --> $DIR/ref-mut-self.rs:19:9 | LL | fn ref_Self(self: &mut Self, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -29,7 +29,7 @@ LL | fn ref_Self<'a>(self: &'a mut Self, f: &'a u32) -> &'a u32 { | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/ref-mut-self.rs:23:9 + --> $DIR/ref-mut-self.rs:24:9 | LL | fn box_ref_Self(self: Box<&mut Self>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -44,7 +44,7 @@ LL | fn box_ref_Self<'a>(self: Box<&'a mut Self>, f: &'a u32) -> &'a u32 { | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/ref-mut-self.rs:28:9 + --> $DIR/ref-mut-self.rs:29:9 | LL | fn pin_ref_Self(self: Pin<&mut Self>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -59,7 +59,7 @@ LL | fn pin_ref_Self<'a>(self: Pin<&'a mut Self>, f: &'a u32) -> &'a u32 { | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/ref-mut-self.rs:33:9 + --> $DIR/ref-mut-self.rs:34:9 | LL | fn box_box_ref_Self(self: Box>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -74,7 +74,7 @@ LL | fn box_box_ref_Self<'a>(self: Box>, f: &'a u32) -> &' | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/ref-mut-self.rs:38:9 + --> $DIR/ref-mut-self.rs:39:9 | LL | fn box_pin_ref_Self(self: Box>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` diff --git a/tests/ui/self/elision/ref-mut-struct.fixed b/tests/ui/self/elision/ref-mut-struct.fixed new file mode 100644 index 000000000000..275fafbad53a --- /dev/null +++ b/tests/ui/self/elision/ref-mut-struct.fixed @@ -0,0 +1,37 @@ +//@ run-rustfix +#![allow(non_snake_case, dead_code)] + +use std::pin::Pin; + +struct Struct { } + +impl Struct { + // Test using `&mut Struct` explicitly: + + fn ref_Struct<'a>(self: &'a mut Struct, f: &'a u32) -> &'a u32 { + f + //~^ ERROR lifetime may not live long enough + } + + fn box_ref_Struct<'a>(self: Box<&'a mut Struct>, f: &'a u32) -> &'a u32 { + f + //~^ ERROR lifetime may not live long enough + } + + fn pin_ref_Struct<'a>(self: Pin<&'a mut Struct>, f: &'a u32) -> &'a u32 { + f + //~^ ERROR lifetime may not live long enough + } + + fn box_box_ref_Struct<'a>(self: Box>, f: &'a u32) -> &'a u32 { + f + //~^ ERROR lifetime may not live long enough + } + + fn box_pin_ref_Struct<'a>(self: Box>, f: &'a u32) -> &'a u32 { + f + //~^ ERROR lifetime may not live long enough + } +} + +fn main() { } diff --git a/tests/ui/self/elision/ref-mut-struct.rs b/tests/ui/self/elision/ref-mut-struct.rs index ca8bd8da1335..6bfdca62bca7 100644 --- a/tests/ui/self/elision/ref-mut-struct.rs +++ b/tests/ui/self/elision/ref-mut-struct.rs @@ -1,4 +1,5 @@ -#![allow(non_snake_case)] +//@ run-rustfix +#![allow(non_snake_case, dead_code)] use std::pin::Pin; diff --git a/tests/ui/self/elision/ref-mut-struct.stderr b/tests/ui/self/elision/ref-mut-struct.stderr index 26dcfcb6dd0b..19b09272504e 100644 --- a/tests/ui/self/elision/ref-mut-struct.stderr +++ b/tests/ui/self/elision/ref-mut-struct.stderr @@ -1,5 +1,5 @@ error: lifetime may not live long enough - --> $DIR/ref-mut-struct.rs:11:9 + --> $DIR/ref-mut-struct.rs:12:9 | LL | fn ref_Struct(self: &mut Struct, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -14,7 +14,7 @@ LL | fn ref_Struct<'a>(self: &'a mut Struct, f: &'a u32) -> &'a u32 { | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/ref-mut-struct.rs:16:9 + --> $DIR/ref-mut-struct.rs:17:9 | LL | fn box_ref_Struct(self: Box<&mut Struct>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -29,7 +29,7 @@ LL | fn box_ref_Struct<'a>(self: Box<&'a mut Struct>, f: &'a u32) -> &'a u32 | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/ref-mut-struct.rs:21:9 + --> $DIR/ref-mut-struct.rs:22:9 | LL | fn pin_ref_Struct(self: Pin<&mut Struct>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -44,7 +44,7 @@ LL | fn pin_ref_Struct<'a>(self: Pin<&'a mut Struct>, f: &'a u32) -> &'a u32 | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/ref-mut-struct.rs:26:9 + --> $DIR/ref-mut-struct.rs:27:9 | LL | fn box_box_ref_Struct(self: Box>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -59,7 +59,7 @@ LL | fn box_box_ref_Struct<'a>(self: Box>, f: &'a u32) - | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/ref-mut-struct.rs:31:9 + --> $DIR/ref-mut-struct.rs:32:9 | LL | fn box_pin_ref_Struct(self: Box>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` diff --git a/tests/ui/self/elision/ref-self.fixed b/tests/ui/self/elision/ref-self.fixed new file mode 100644 index 000000000000..41b11c2d77a3 --- /dev/null +++ b/tests/ui/self/elision/ref-self.fixed @@ -0,0 +1,59 @@ +//@ run-rustfix +#![feature(arbitrary_self_types)] +#![allow(non_snake_case, dead_code)] + +use std::marker::PhantomData; +use std::ops::Deref; +use std::pin::Pin; + +struct Struct {} + +struct Wrap(T, PhantomData

); + +impl Deref for Wrap { + type Target = T; + fn deref(&self) -> &T { &self.0 } +} + +impl Struct { + // Test using `&self` sugar: + + fn ref_self<'a>(&'a self, f: &'a u32) -> &'a u32 { + f + //~^ ERROR lifetime may not live long enough + } + + // Test using `&Self` explicitly: + + fn ref_Self<'a>(self: &'a Self, f: &'a u32) -> &'a u32 { + f + //~^ ERROR lifetime may not live long enough + } + + fn box_ref_Self<'a>(self: Box<&'a Self>, f: &'a u32) -> &'a u32 { + f + //~^ ERROR lifetime may not live long enough + } + + fn pin_ref_Self<'a>(self: Pin<&'a Self>, f: &'a u32) -> &'a u32 { + f + //~^ ERROR lifetime may not live long enough + } + + fn box_box_ref_Self<'a>(self: Box>, f: &'a u32) -> &'a u32 { + f + //~^ ERROR lifetime may not live long enough + } + + fn box_pin_ref_Self<'a>(self: Box>, f: &'a u32) -> &'a u32 { + f + //~^ ERROR lifetime may not live long enough + } + + fn wrap_ref_Self_Self<'a>(self: Wrap<&'a Self, Self>, f: &'a u8) -> &'a u8 { + f + //~^ ERROR lifetime may not live long enough + } +} + +fn main() { } diff --git a/tests/ui/self/elision/ref-self.rs b/tests/ui/self/elision/ref-self.rs index dd07fe1b00be..9b204e2a43ba 100644 --- a/tests/ui/self/elision/ref-self.rs +++ b/tests/ui/self/elision/ref-self.rs @@ -1,11 +1,12 @@ +//@ run-rustfix #![feature(arbitrary_self_types)] -#![allow(non_snake_case)] +#![allow(non_snake_case, dead_code)] use std::marker::PhantomData; use std::ops::Deref; use std::pin::Pin; -struct Struct { } +struct Struct {} struct Wrap(T, PhantomData

); diff --git a/tests/ui/self/elision/ref-self.stderr b/tests/ui/self/elision/ref-self.stderr index 8654032b0476..b17667827bb7 100644 --- a/tests/ui/self/elision/ref-self.stderr +++ b/tests/ui/self/elision/ref-self.stderr @@ -1,5 +1,5 @@ error: lifetime may not live long enough - --> $DIR/ref-self.rs:21:9 + --> $DIR/ref-self.rs:22:9 | LL | fn ref_self(&self, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -14,7 +14,7 @@ LL | fn ref_self<'a>(&'a self, f: &'a u32) -> &'a u32 { | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/ref-self.rs:28:9 + --> $DIR/ref-self.rs:29:9 | LL | fn ref_Self(self: &Self, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -29,7 +29,7 @@ LL | fn ref_Self<'a>(self: &'a Self, f: &'a u32) -> &'a u32 { | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/ref-self.rs:33:9 + --> $DIR/ref-self.rs:34:9 | LL | fn box_ref_Self(self: Box<&Self>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -44,7 +44,7 @@ LL | fn box_ref_Self<'a>(self: Box<&'a Self>, f: &'a u32) -> &'a u32 { | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/ref-self.rs:38:9 + --> $DIR/ref-self.rs:39:9 | LL | fn pin_ref_Self(self: Pin<&Self>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -59,7 +59,7 @@ LL | fn pin_ref_Self<'a>(self: Pin<&'a Self>, f: &'a u32) -> &'a u32 { | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/ref-self.rs:43:9 + --> $DIR/ref-self.rs:44:9 | LL | fn box_box_ref_Self(self: Box>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -74,7 +74,7 @@ LL | fn box_box_ref_Self<'a>(self: Box>, f: &'a u32) -> &'a u3 | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/ref-self.rs:48:9 + --> $DIR/ref-self.rs:49:9 | LL | fn box_pin_ref_Self(self: Box>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -89,7 +89,7 @@ LL | fn box_pin_ref_Self<'a>(self: Box>, f: &'a u32) -> &'a u3 | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/ref-self.rs:53:9 + --> $DIR/ref-self.rs:54:9 | LL | fn wrap_ref_Self_Self(self: Wrap<&Self, Self>, f: &u8) -> &u8 { | - - let's call the lifetime of this reference `'1` diff --git a/tests/ui/self/elision/ref-struct.fixed b/tests/ui/self/elision/ref-struct.fixed new file mode 100644 index 000000000000..1c26c84c0884 --- /dev/null +++ b/tests/ui/self/elision/ref-struct.fixed @@ -0,0 +1,37 @@ +//@ run-rustfix +#![allow(non_snake_case, dead_code)] + +use std::pin::Pin; + +struct Struct { } + +impl Struct { + // Test using `&Struct` explicitly: + + fn ref_Struct<'a>(self: &'a Struct, f: &'a u32) -> &'a u32 { + f + //~^ ERROR lifetime may not live long enough + } + + fn box_ref_Struct<'a>(self: Box<&'a Struct>, f: &'a u32) -> &'a u32 { + f + //~^ ERROR lifetime may not live long enough + } + + fn pin_ref_Struct<'a>(self: Pin<&'a Struct>, f: &'a u32) -> &'a u32 { + f + //~^ ERROR lifetime may not live long enough + } + + fn box_box_ref_Struct<'a>(self: Box>, f: &'a u32) -> &'a u32 { + f + //~^ ERROR lifetime may not live long enough + } + + fn box_pin_Struct<'a>(self: Box>, f: &'a u32) -> &'a u32 { + f + //~^ ERROR lifetime may not live long enough + } +} + +fn main() { } diff --git a/tests/ui/self/elision/ref-struct.rs b/tests/ui/self/elision/ref-struct.rs index 13a42cd1aed9..78b894765aa4 100644 --- a/tests/ui/self/elision/ref-struct.rs +++ b/tests/ui/self/elision/ref-struct.rs @@ -1,4 +1,5 @@ -#![allow(non_snake_case)] +//@ run-rustfix +#![allow(non_snake_case, dead_code)] use std::pin::Pin; diff --git a/tests/ui/self/elision/ref-struct.stderr b/tests/ui/self/elision/ref-struct.stderr index 653ecc612d57..157e0d407932 100644 --- a/tests/ui/self/elision/ref-struct.stderr +++ b/tests/ui/self/elision/ref-struct.stderr @@ -1,5 +1,5 @@ error: lifetime may not live long enough - --> $DIR/ref-struct.rs:11:9 + --> $DIR/ref-struct.rs:12:9 | LL | fn ref_Struct(self: &Struct, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -14,7 +14,7 @@ LL | fn ref_Struct<'a>(self: &'a Struct, f: &'a u32) -> &'a u32 { | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/ref-struct.rs:16:9 + --> $DIR/ref-struct.rs:17:9 | LL | fn box_ref_Struct(self: Box<&Struct>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -29,7 +29,7 @@ LL | fn box_ref_Struct<'a>(self: Box<&'a Struct>, f: &'a u32) -> &'a u32 { | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/ref-struct.rs:21:9 + --> $DIR/ref-struct.rs:22:9 | LL | fn pin_ref_Struct(self: Pin<&Struct>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -44,7 +44,7 @@ LL | fn pin_ref_Struct<'a>(self: Pin<&'a Struct>, f: &'a u32) -> &'a u32 { | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/ref-struct.rs:26:9 + --> $DIR/ref-struct.rs:27:9 | LL | fn box_box_ref_Struct(self: Box>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -59,7 +59,7 @@ LL | fn box_box_ref_Struct<'a>(self: Box>, f: &'a u32) -> &' | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/ref-struct.rs:31:9 + --> $DIR/ref-struct.rs:32:9 | LL | fn box_pin_Struct(self: Box>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` From ee5a157b4a9d51788d7306af63b3e3ef063ec49d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Esteban=20K=C3=BCber?= Date: Tue, 7 May 2024 19:45:51 +0000 Subject: [PATCH 0192/1716] Run `rustfmt` on modified tests --- ...ne-existing-name-return-type-is-anon.fixed | 11 +++--- ...n-one-existing-name-return-type-is-anon.rs | 11 +++--- ...e-existing-name-return-type-is-anon.stderr | 19 +++++----- ...oth-anon-regions-return-type-is-anon.fixed | 12 +++---- ...3-both-anon-regions-return-type-is-anon.rs | 12 +++---- ...th-anon-regions-return-type-is-anon.stderr | 18 +++++----- ...itrary_self_types_pin_lifetime_mismatch.rs | 15 ++++---- ...ry_self_types_pin_lifetime_mismatch.stderr | 36 ++++++++++--------- tests/ui/self/elision/lt-ref-self-async.fixed | 6 ++-- tests/ui/self/elision/lt-ref-self-async.rs | 6 ++-- .../ui/self/elision/lt-ref-self-async.stderr | 12 +++---- tests/ui/self/elision/lt-ref-self.fixed | 6 ++-- tests/ui/self/elision/lt-ref-self.rs | 6 ++-- tests/ui/self/elision/lt-ref-self.stderr | 12 +++---- tests/ui/self/elision/ref-mut-self.fixed | 4 +-- tests/ui/self/elision/ref-mut-self.rs | 4 +-- tests/ui/self/elision/ref-mut-struct.fixed | 4 +-- tests/ui/self/elision/ref-mut-struct.rs | 4 +-- tests/ui/self/elision/ref-self.fixed | 6 ++-- tests/ui/self/elision/ref-self.rs | 6 ++-- tests/ui/self/elision/ref-self.stderr | 14 ++++---- tests/ui/self/elision/ref-struct.fixed | 4 +-- tests/ui/self/elision/ref-struct.rs | 4 +-- 23 files changed, 122 insertions(+), 110 deletions(-) diff --git a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.fixed b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.fixed index b5513818f63e..3408463ce499 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.fixed +++ b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.fixed @@ -5,13 +5,10 @@ struct Foo { } impl Foo { - fn foo<'a>(&'a self, x: &'a i32) -> &'a i32 { - - x - //~^ ERROR lifetime may not live long enough - - } - + fn foo<'a>(&'a self, x: &'a i32) -> &'a i32 { + x + //~^ ERROR lifetime may not live long enough + } } fn main() {} diff --git a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.rs b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.rs index 52646ff89eb2..c8dd958b37c6 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.rs +++ b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.rs @@ -5,13 +5,10 @@ struct Foo { } impl Foo { - fn foo<'a>(&self, x: &'a i32) -> &i32 { - - x - //~^ ERROR lifetime may not live long enough - - } - + fn foo<'a>(&self, x: &'a i32) -> &i32 { + x + //~^ ERROR lifetime may not live long enough + } } fn main() {} diff --git a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.stderr b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.stderr index e2f42cbfb286..ca6ee1c25cdd 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.stderr @@ -1,18 +1,17 @@ error: lifetime may not live long enough - --> $DIR/ex1-return-one-existing-name-return-type-is-anon.rs:10:5 + --> $DIR/ex1-return-one-existing-name-return-type-is-anon.rs:9:9 | -LL | fn foo<'a>(&self, x: &'a i32) -> &i32 { - | -- - let's call the lifetime of this reference `'1` - | | - | lifetime `'a` defined here -LL | -LL | x - | ^ method was supposed to return data with lifetime `'1` but it is returning data with lifetime `'a` +LL | fn foo<'a>(&self, x: &'a i32) -> &i32 { + | -- - let's call the lifetime of this reference `'1` + | | + | lifetime `'a` defined here +LL | x + | ^ method was supposed to return data with lifetime `'1` but it is returning data with lifetime `'a` | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn foo<'a>(&'a self, x: &'a i32) -> &'a i32 { - | ++ ++ +LL | fn foo<'a>(&'a self, x: &'a i32) -> &'a i32 { + | ++ ++ error: aborting due to 1 previous error diff --git a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.fixed b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.fixed index d9f454f346ce..3408463ce499 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.fixed +++ b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.fixed @@ -1,14 +1,14 @@ //@ run-rustfix #![allow(dead_code)] struct Foo { - field: i32, + field: i32, } impl Foo { - fn foo<'a>(&'a self, x: &'a i32) -> &'a i32 { - x - //~^ ERROR lifetime may not live long enough - } + fn foo<'a>(&'a self, x: &'a i32) -> &'a i32 { + x + //~^ ERROR lifetime may not live long enough + } } -fn main() { } +fn main() {} diff --git a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.rs b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.rs index bf66a551a80e..0225d8c79616 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.rs +++ b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.rs @@ -1,14 +1,14 @@ //@ run-rustfix #![allow(dead_code)] struct Foo { - field: i32, + field: i32, } impl Foo { - fn foo<'a>(&self, x: &i32) -> &i32 { - x - //~^ ERROR lifetime may not live long enough - } + fn foo<'a>(&self, x: &i32) -> &i32 { + x + //~^ ERROR lifetime may not live long enough + } } -fn main() { } +fn main() {} diff --git a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.stderr b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.stderr index 778634e95be5..a81b5cfad5a5 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.stderr @@ -1,17 +1,17 @@ error: lifetime may not live long enough - --> $DIR/ex3-both-anon-regions-return-type-is-anon.rs:9:5 + --> $DIR/ex3-both-anon-regions-return-type-is-anon.rs:9:9 | -LL | fn foo<'a>(&self, x: &i32) -> &i32 { - | - - let's call the lifetime of this reference `'1` - | | - | let's call the lifetime of this reference `'2` -LL | x - | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` +LL | fn foo<'a>(&self, x: &i32) -> &i32 { + | - - let's call the lifetime of this reference `'1` + | | + | let's call the lifetime of this reference `'2` +LL | x + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn foo<'a>(&'a self, x: &'a i32) -> &'a i32 { - | ++ ++ ++ +LL | fn foo<'a>(&'a self, x: &'a i32) -> &'a i32 { + | ++ ++ ++ error: aborting due to 1 previous error diff --git a/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.rs b/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.rs index 3b2c8c7bc791..784afa8b40f8 100644 --- a/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.rs +++ b/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.rs @@ -3,20 +3,23 @@ use std::pin::Pin; struct Foo; impl Foo { - fn a(self: Pin<&Foo>, f: &Foo) -> &Foo { f } - //~^ lifetime may not live long enough + fn a(self: Pin<&Foo>, f: &Foo) -> &Foo { + f //~ ERROR lifetime may not live long enough + } // For this suggestion to be right, we'd need to also suggest `self: Pin<&'a Self>`, which we // don't, but we provide a follow up suggestion to do so, so I condider that good at least for // now. - fn c(self: Pin<&Self>, f: &Foo, g: &Foo) -> (Pin<&Foo>, &Foo) { (self, f) } - //~^ lifetime may not live long enough + fn c(self: Pin<&Self>, f: &Foo, g: &Foo) -> (Pin<&Foo>, &Foo) { + (self, f) //~ ERROR lifetime may not live long enough + } } type Alias = Pin; impl Foo { - fn bar<'a>(self: Alias<&Self>, arg: &'a ()) -> &() { arg } - //~^ lifetime may not live long enough + fn bar<'a>(self: Alias<&Self>, arg: &'a ()) -> &() { + arg //~ ERROR lifetime may not live long enough + } } fn main() {} diff --git a/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.stderr b/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.stderr index 773f9362ec53..549b03b061bc 100644 --- a/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.stderr +++ b/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.stderr @@ -1,42 +1,46 @@ error: lifetime may not live long enough - --> $DIR/arbitrary_self_types_pin_lifetime_mismatch.rs:6:46 + --> $DIR/arbitrary_self_types_pin_lifetime_mismatch.rs:7:9 | -LL | fn a(self: Pin<&Foo>, f: &Foo) -> &Foo { f } - | - - ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` - | | | - | | let's call the lifetime of this reference `'1` +LL | fn a(self: Pin<&Foo>, f: &Foo) -> &Foo { + | - - let's call the lifetime of this reference `'1` + | | | let's call the lifetime of this reference `'2` +LL | f + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn a<'a>(self: Pin<&'a Foo>, f: &'a Foo) -> &'a Foo { f } +LL | fn a<'a>(self: Pin<&'a Foo>, f: &'a Foo) -> &'a Foo { | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/arbitrary_self_types_pin_lifetime_mismatch.rs:12:69 + --> $DIR/arbitrary_self_types_pin_lifetime_mismatch.rs:14:9 | -LL | fn c(self: Pin<&Self>, f: &Foo, g: &Foo) -> (Pin<&Foo>, &Foo) { (self, f) } - | - - ^^^^^^^^^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` - | | | - | | let's call the lifetime of this reference `'1` +LL | fn c(self: Pin<&Self>, f: &Foo, g: &Foo) -> (Pin<&Foo>, &Foo) { + | - - let's call the lifetime of this reference `'1` + | | | let's call the lifetime of this reference `'2` +LL | (self, f) + | ^^^^^^^^^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn c<'a>(self: Pin<&'a Self>, f: &'a Foo, g: &Foo) -> (Pin<&'a Foo>, &'a Foo) { (self, f) } +LL | fn c<'a>(self: Pin<&'a Self>, f: &'a Foo, g: &Foo) -> (Pin<&'a Foo>, &'a Foo) { | ++++ ++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/arbitrary_self_types_pin_lifetime_mismatch.rs:18:58 + --> $DIR/arbitrary_self_types_pin_lifetime_mismatch.rs:21:9 | -LL | fn bar<'a>(self: Alias<&Self>, arg: &'a ()) -> &() { arg } - | -- ---- has type `Pin<&'1 Foo>` ^^^ method was supposed to return data with lifetime `'1` but it is returning data with lifetime `'a` +LL | fn bar<'a>(self: Alias<&Self>, arg: &'a ()) -> &() { + | -- ---- has type `Pin<&'1 Foo>` | | | lifetime `'a` defined here +LL | arg + | ^^^ method was supposed to return data with lifetime `'1` but it is returning data with lifetime `'a` | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn bar<'a>(self: Alias<&'a Self>, arg: &'a ()) -> &'a () { arg } +LL | fn bar<'a>(self: Alias<&'a Self>, arg: &'a ()) -> &'a () { | ++ ++ error: aborting due to 3 previous errors diff --git a/tests/ui/self/elision/lt-ref-self-async.fixed b/tests/ui/self/elision/lt-ref-self-async.fixed index 6d875ef0cec1..aa1d62012da0 100644 --- a/tests/ui/self/elision/lt-ref-self-async.fixed +++ b/tests/ui/self/elision/lt-ref-self-async.fixed @@ -4,7 +4,9 @@ use std::pin::Pin; -struct Struct<'a> { data: &'a u32 } +struct Struct<'a> { + data: &'a u32, +} impl<'a> Struct<'a> { // Test using `&self` sugar: @@ -42,4 +44,4 @@ impl<'a> Struct<'a> { } } -fn main() { } +fn main() {} diff --git a/tests/ui/self/elision/lt-ref-self-async.rs b/tests/ui/self/elision/lt-ref-self-async.rs index a70e22ab77ad..38de0fd39f08 100644 --- a/tests/ui/self/elision/lt-ref-self-async.rs +++ b/tests/ui/self/elision/lt-ref-self-async.rs @@ -4,7 +4,9 @@ use std::pin::Pin; -struct Struct<'a> { data: &'a u32 } +struct Struct<'a> { + data: &'a u32, +} impl<'a> Struct<'a> { // Test using `&self` sugar: @@ -42,4 +44,4 @@ impl<'a> Struct<'a> { } } -fn main() { } +fn main() {} diff --git a/tests/ui/self/elision/lt-ref-self-async.stderr b/tests/ui/self/elision/lt-ref-self-async.stderr index c8b49de7671e..b84044f75488 100644 --- a/tests/ui/self/elision/lt-ref-self-async.stderr +++ b/tests/ui/self/elision/lt-ref-self-async.stderr @@ -1,5 +1,5 @@ error: lifetime may not live long enough - --> $DIR/lt-ref-self-async.rs:13:9 + --> $DIR/lt-ref-self-async.rs:15:9 | LL | async fn ref_self(&self, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -14,7 +14,7 @@ LL | async fn ref_self<'b>(&'b self, f: &'b u32) -> &u32 { | ++++ ++ ++ error: lifetime may not live long enough - --> $DIR/lt-ref-self-async.rs:20:9 + --> $DIR/lt-ref-self-async.rs:22:9 | LL | async fn ref_Self(self: &Self, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -29,7 +29,7 @@ LL | async fn ref_Self<'b>(self: &'b Self, f: &'b u32) -> &u32 { | ++++ ++ ++ error: lifetime may not live long enough - --> $DIR/lt-ref-self-async.rs:25:9 + --> $DIR/lt-ref-self-async.rs:27:9 | LL | async fn box_ref_Self(self: Box<&Self>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -44,7 +44,7 @@ LL | async fn box_ref_Self<'b>(self: Box<&'b Self>, f: &'b u32) -> &u32 { | ++++ ++ ++ error: lifetime may not live long enough - --> $DIR/lt-ref-self-async.rs:30:9 + --> $DIR/lt-ref-self-async.rs:32:9 | LL | async fn pin_ref_Self(self: Pin<&Self>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -59,7 +59,7 @@ LL | async fn pin_ref_Self<'b>(self: Pin<&'b Self>, f: &'b u32) -> &u32 { | ++++ ++ ++ error: lifetime may not live long enough - --> $DIR/lt-ref-self-async.rs:35:9 + --> $DIR/lt-ref-self-async.rs:37:9 | LL | async fn box_box_ref_Self(self: Box>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -74,7 +74,7 @@ LL | async fn box_box_ref_Self<'b>(self: Box>, f: &'b u32) -> | ++++ ++ ++ error: lifetime may not live long enough - --> $DIR/lt-ref-self-async.rs:40:9 + --> $DIR/lt-ref-self-async.rs:42:9 | LL | async fn box_pin_Self(self: Box>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` diff --git a/tests/ui/self/elision/lt-ref-self.fixed b/tests/ui/self/elision/lt-ref-self.fixed index c9faa86c441b..ff0c057fe427 100644 --- a/tests/ui/self/elision/lt-ref-self.fixed +++ b/tests/ui/self/elision/lt-ref-self.fixed @@ -3,7 +3,9 @@ use std::pin::Pin; -struct Struct<'a> { data: &'a u32 } +struct Struct<'a> { + data: &'a u32, +} impl<'a> Struct<'a> { // Test using `&self` sugar: @@ -41,4 +43,4 @@ impl<'a> Struct<'a> { } } -fn main() { } +fn main() {} diff --git a/tests/ui/self/elision/lt-ref-self.rs b/tests/ui/self/elision/lt-ref-self.rs index fbd0665b22d2..4cd97c5b729b 100644 --- a/tests/ui/self/elision/lt-ref-self.rs +++ b/tests/ui/self/elision/lt-ref-self.rs @@ -3,7 +3,9 @@ use std::pin::Pin; -struct Struct<'a> { data: &'a u32 } +struct Struct<'a> { + data: &'a u32, +} impl<'a> Struct<'a> { // Test using `&self` sugar: @@ -41,4 +43,4 @@ impl<'a> Struct<'a> { } } -fn main() { } +fn main() {} diff --git a/tests/ui/self/elision/lt-ref-self.stderr b/tests/ui/self/elision/lt-ref-self.stderr index 53b662bcb693..237175ac7635 100644 --- a/tests/ui/self/elision/lt-ref-self.stderr +++ b/tests/ui/self/elision/lt-ref-self.stderr @@ -1,5 +1,5 @@ error: lifetime may not live long enough - --> $DIR/lt-ref-self.rs:12:9 + --> $DIR/lt-ref-self.rs:14:9 | LL | fn ref_self(&self, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -14,7 +14,7 @@ LL | fn ref_self<'b>(&'b self, f: &'b u32) -> &'b u32 { | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/lt-ref-self.rs:19:9 + --> $DIR/lt-ref-self.rs:21:9 | LL | fn ref_Self(self: &Self, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -29,7 +29,7 @@ LL | fn ref_Self<'b>(self: &'b Self, f: &'b u32) -> &'b u32 { | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/lt-ref-self.rs:24:9 + --> $DIR/lt-ref-self.rs:26:9 | LL | fn box_ref_Self(self: Box<&Self>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -44,7 +44,7 @@ LL | fn box_ref_Self<'b>(self: Box<&'b Self>, f: &'b u32) -> &'b u32 { | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/lt-ref-self.rs:29:9 + --> $DIR/lt-ref-self.rs:31:9 | LL | fn pin_ref_Self(self: Pin<&Self>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -59,7 +59,7 @@ LL | fn pin_ref_Self<'b>(self: Pin<&'b Self>, f: &'b u32) -> &'b u32 { | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/lt-ref-self.rs:34:9 + --> $DIR/lt-ref-self.rs:36:9 | LL | fn box_box_ref_Self(self: Box>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -74,7 +74,7 @@ LL | fn box_box_ref_Self<'b>(self: Box>, f: &'b u32) -> &'b u3 | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/lt-ref-self.rs:39:9 + --> $DIR/lt-ref-self.rs:41:9 | LL | fn box_pin_Self(self: Box>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` diff --git a/tests/ui/self/elision/ref-mut-self.fixed b/tests/ui/self/elision/ref-mut-self.fixed index 90e50221a19b..7886d0979761 100644 --- a/tests/ui/self/elision/ref-mut-self.fixed +++ b/tests/ui/self/elision/ref-mut-self.fixed @@ -3,7 +3,7 @@ use std::pin::Pin; -struct Struct { } +struct Struct {} impl Struct { // Test using `&mut self` sugar: @@ -41,4 +41,4 @@ impl Struct { } } -fn main() { } +fn main() {} diff --git a/tests/ui/self/elision/ref-mut-self.rs b/tests/ui/self/elision/ref-mut-self.rs index a09fcdfcbb2f..87dab2a9ab42 100644 --- a/tests/ui/self/elision/ref-mut-self.rs +++ b/tests/ui/self/elision/ref-mut-self.rs @@ -3,7 +3,7 @@ use std::pin::Pin; -struct Struct { } +struct Struct {} impl Struct { // Test using `&mut self` sugar: @@ -41,4 +41,4 @@ impl Struct { } } -fn main() { } +fn main() {} diff --git a/tests/ui/self/elision/ref-mut-struct.fixed b/tests/ui/self/elision/ref-mut-struct.fixed index 275fafbad53a..188d3bb517e0 100644 --- a/tests/ui/self/elision/ref-mut-struct.fixed +++ b/tests/ui/self/elision/ref-mut-struct.fixed @@ -3,7 +3,7 @@ use std::pin::Pin; -struct Struct { } +struct Struct {} impl Struct { // Test using `&mut Struct` explicitly: @@ -34,4 +34,4 @@ impl Struct { } } -fn main() { } +fn main() {} diff --git a/tests/ui/self/elision/ref-mut-struct.rs b/tests/ui/self/elision/ref-mut-struct.rs index 6bfdca62bca7..c227fa8bbfc6 100644 --- a/tests/ui/self/elision/ref-mut-struct.rs +++ b/tests/ui/self/elision/ref-mut-struct.rs @@ -3,7 +3,7 @@ use std::pin::Pin; -struct Struct { } +struct Struct {} impl Struct { // Test using `&mut Struct` explicitly: @@ -34,4 +34,4 @@ impl Struct { } } -fn main() { } +fn main() {} diff --git a/tests/ui/self/elision/ref-self.fixed b/tests/ui/self/elision/ref-self.fixed index 41b11c2d77a3..1369bb83e970 100644 --- a/tests/ui/self/elision/ref-self.fixed +++ b/tests/ui/self/elision/ref-self.fixed @@ -12,7 +12,9 @@ struct Wrap(T, PhantomData

); impl Deref for Wrap { type Target = T; - fn deref(&self) -> &T { &self.0 } + fn deref(&self) -> &T { + &self.0 + } } impl Struct { @@ -56,4 +58,4 @@ impl Struct { } } -fn main() { } +fn main() {} diff --git a/tests/ui/self/elision/ref-self.rs b/tests/ui/self/elision/ref-self.rs index 9b204e2a43ba..4b4b8aa5b511 100644 --- a/tests/ui/self/elision/ref-self.rs +++ b/tests/ui/self/elision/ref-self.rs @@ -12,7 +12,9 @@ struct Wrap(T, PhantomData

); impl Deref for Wrap { type Target = T; - fn deref(&self) -> &T { &self.0 } + fn deref(&self) -> &T { + &self.0 + } } impl Struct { @@ -56,4 +58,4 @@ impl Struct { } } -fn main() { } +fn main() {} diff --git a/tests/ui/self/elision/ref-self.stderr b/tests/ui/self/elision/ref-self.stderr index b17667827bb7..a39a6a15385e 100644 --- a/tests/ui/self/elision/ref-self.stderr +++ b/tests/ui/self/elision/ref-self.stderr @@ -1,5 +1,5 @@ error: lifetime may not live long enough - --> $DIR/ref-self.rs:22:9 + --> $DIR/ref-self.rs:24:9 | LL | fn ref_self(&self, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -14,7 +14,7 @@ LL | fn ref_self<'a>(&'a self, f: &'a u32) -> &'a u32 { | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/ref-self.rs:29:9 + --> $DIR/ref-self.rs:31:9 | LL | fn ref_Self(self: &Self, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -29,7 +29,7 @@ LL | fn ref_Self<'a>(self: &'a Self, f: &'a u32) -> &'a u32 { | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/ref-self.rs:34:9 + --> $DIR/ref-self.rs:36:9 | LL | fn box_ref_Self(self: Box<&Self>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -44,7 +44,7 @@ LL | fn box_ref_Self<'a>(self: Box<&'a Self>, f: &'a u32) -> &'a u32 { | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/ref-self.rs:39:9 + --> $DIR/ref-self.rs:41:9 | LL | fn pin_ref_Self(self: Pin<&Self>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -59,7 +59,7 @@ LL | fn pin_ref_Self<'a>(self: Pin<&'a Self>, f: &'a u32) -> &'a u32 { | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/ref-self.rs:44:9 + --> $DIR/ref-self.rs:46:9 | LL | fn box_box_ref_Self(self: Box>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -74,7 +74,7 @@ LL | fn box_box_ref_Self<'a>(self: Box>, f: &'a u32) -> &'a u3 | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/ref-self.rs:49:9 + --> $DIR/ref-self.rs:51:9 | LL | fn box_pin_ref_Self(self: Box>, f: &u32) -> &u32 { | - - let's call the lifetime of this reference `'1` @@ -89,7 +89,7 @@ LL | fn box_pin_ref_Self<'a>(self: Box>, f: &'a u32) -> &'a u3 | ++++ ++ ++ ++ error: lifetime may not live long enough - --> $DIR/ref-self.rs:54:9 + --> $DIR/ref-self.rs:56:9 | LL | fn wrap_ref_Self_Self(self: Wrap<&Self, Self>, f: &u8) -> &u8 { | - - let's call the lifetime of this reference `'1` diff --git a/tests/ui/self/elision/ref-struct.fixed b/tests/ui/self/elision/ref-struct.fixed index 1c26c84c0884..a9ecbc9c3aec 100644 --- a/tests/ui/self/elision/ref-struct.fixed +++ b/tests/ui/self/elision/ref-struct.fixed @@ -3,7 +3,7 @@ use std::pin::Pin; -struct Struct { } +struct Struct {} impl Struct { // Test using `&Struct` explicitly: @@ -34,4 +34,4 @@ impl Struct { } } -fn main() { } +fn main() {} diff --git a/tests/ui/self/elision/ref-struct.rs b/tests/ui/self/elision/ref-struct.rs index 78b894765aa4..733a175e7a1d 100644 --- a/tests/ui/self/elision/ref-struct.rs +++ b/tests/ui/self/elision/ref-struct.rs @@ -3,7 +3,7 @@ use std::pin::Pin; -struct Struct { } +struct Struct {} impl Struct { // Test using `&Struct` explicitly: @@ -34,4 +34,4 @@ impl Struct { } } -fn main() { } +fn main() {} From 1775e7b93d4142eb2e4c75c2d49a9c4d8541d7a6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Esteban=20K=C3=BCber?= Date: Tue, 7 May 2024 19:54:16 +0000 Subject: [PATCH 0193/1716] Tweak suggested lifetimes to modify return type instead of `&self` receiver Do not suggest constraining the `&self` param, but rather the return type. If that is wrong (because it is not sufficient), a follow up error will tell the user to fix it. This way we lower the chances of *over* constraining, but still get the cake of "correctly" contrained in two steps. This is a correct suggestion: ``` error: lifetime may not live long enough --> $DIR/ex3-both-anon-regions-return-type-is-anon.rs:9:9 | LL | fn foo<'a>(&self, x: &i32) -> &i32 { | - - let's call the lifetime of this reference `'1` | | | let's call the lifetime of this reference `'2` LL | x | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | LL | fn foo<'a>(&self, x: &'a i32) -> &'a i32 { | ++ ++ ``` While this is incomplete because it should suggestino `&'a self` ``` error: lifetime may not live long enough --> $DIR/ex3-both-anon-regions-self-is-anon.rs:7:19 | LL | fn foo<'a>(&self, x: &Foo) -> &Foo { | - - let's call the lifetime of this reference `'1` | | | let's call the lifetime of this reference `'2` LL | if true { x } else { self } | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | LL | fn foo<'a>(&self, x: &'a Foo) -> &'a Foo { | ++ ++ ``` but the follow up error is ``` error: lifetime may not live long enough --> tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-self-is-anon.rs:7:30 | 6 | fn foo<'a>(&self, x: &'a Foo) -> &'a Foo { | -- - let's call the lifetime of this reference `'1` | | | lifetime `'a` defined here 7 | if true { x } else { self } | ^^^^ method was supposed to return data with lifetime `'a` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | 6 | fn foo<'a>(&'a self, x: &'a Foo) -> &'a Foo { | ++ ``` --- compiler/rustc_infer/src/errors/mod.rs | 10 +++++-- tests/ui/lifetimes/issue-17728.stderr | 4 +-- ...ne-existing-name-return-type-is-anon.fixed | 2 +- ...e-existing-name-return-type-is-anon.stderr | 4 +-- ...oth-anon-regions-return-type-is-anon.fixed | 2 +- ...th-anon-regions-return-type-is-anon.stderr | 4 +-- .../ex3-both-anon-regions-self-is-anon.stderr | 4 +-- ...ry_self_types_pin_lifetime_mismatch.stderr | 12 ++++---- tests/ui/self/elision/lt-ref-self.fixed | 12 ++++---- tests/ui/self/elision/lt-ref-self.stderr | 24 ++++++++-------- tests/ui/self/elision/ref-mut-self.fixed | 12 ++++---- tests/ui/self/elision/ref-mut-self.stderr | 24 ++++++++-------- tests/ui/self/elision/ref-mut-struct.fixed | 10 +++---- tests/ui/self/elision/ref-mut-struct.stderr | 20 ++++++------- tests/ui/self/elision/ref-self.fixed | 14 +++++----- tests/ui/self/elision/ref-self.stderr | 28 +++++++++---------- tests/ui/self/elision/ref-struct.fixed | 10 +++---- tests/ui/self/elision/ref-struct.stderr | 20 ++++++------- 18 files changed, 111 insertions(+), 105 deletions(-) diff --git a/compiler/rustc_infer/src/errors/mod.rs b/compiler/rustc_infer/src/errors/mod.rs index f60ecb3f453a..9998f089588a 100644 --- a/compiler/rustc_infer/src/errors/mod.rs +++ b/compiler/rustc_infer/src/errors/mod.rs @@ -484,13 +484,19 @@ impl Subdiagnostic for AddLifetimeParamsSuggestion<'_> { suggestions: vec![], suggestion_param_name: suggestion_param_name.clone(), }; - visitor.visit_ty(self.ty_sub); - visitor.visit_ty(self.ty_sup); if let Some(fn_decl) = node.fn_decl() && let hir::FnRetTy::Return(ty) = fn_decl.output { visitor.visit_ty(ty); } + if visitor.suggestions.is_empty() { + // Do not suggest constraining the `&self` param, but rather the return type. + // If that is wrong (because it is not sufficient), a follow up error will tell the + // user to fix it. This way we lower the chances of *over* constraining, but still + // get the cake of "correctly" contrained in two steps. + visitor.visit_ty(self.ty_sup); + } + visitor.visit_ty(self.ty_sub); if visitor.suggestions.is_empty() { return false; } diff --git a/tests/ui/lifetimes/issue-17728.stderr b/tests/ui/lifetimes/issue-17728.stderr index da4ce2dd2911..eb4381ea99ee 100644 --- a/tests/ui/lifetimes/issue-17728.stderr +++ b/tests/ui/lifetimes/issue-17728.stderr @@ -29,8 +29,8 @@ LL | Some(entry) => Ok(entry), | help: consider introducing a named lifetime parameter | -LL | fn attemptTraverse<'a>(&'a self, room: &'a Room, directionStr: &str) -> Result<&'a Room, &'a str> { - | ++++ ++ ++ ++ ++ +LL | fn attemptTraverse<'a>(&self, room: &'a Room, directionStr: &str) -> Result<&'a Room, &'a str> { + | ++++ ++ ++ ++ error: aborting due to 2 previous errors diff --git a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.fixed b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.fixed index 3408463ce499..40eee22fc321 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.fixed +++ b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.fixed @@ -5,7 +5,7 @@ struct Foo { } impl Foo { - fn foo<'a>(&'a self, x: &'a i32) -> &'a i32 { + fn foo<'a>(&self, x: &'a i32) -> &'a i32 { x //~^ ERROR lifetime may not live long enough } diff --git a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.stderr b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.stderr index ca6ee1c25cdd..345f099542d9 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.stderr @@ -10,8 +10,8 @@ LL | x | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn foo<'a>(&'a self, x: &'a i32) -> &'a i32 { - | ++ ++ +LL | fn foo<'a>(&self, x: &'a i32) -> &'a i32 { + | ++ error: aborting due to 1 previous error diff --git a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.fixed b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.fixed index 3408463ce499..40eee22fc321 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.fixed +++ b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.fixed @@ -5,7 +5,7 @@ struct Foo { } impl Foo { - fn foo<'a>(&'a self, x: &'a i32) -> &'a i32 { + fn foo<'a>(&self, x: &'a i32) -> &'a i32 { x //~^ ERROR lifetime may not live long enough } diff --git a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.stderr b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.stderr index a81b5cfad5a5..dd45c8b1cb77 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.stderr @@ -10,8 +10,8 @@ LL | x | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn foo<'a>(&'a self, x: &'a i32) -> &'a i32 { - | ++ ++ ++ +LL | fn foo<'a>(&self, x: &'a i32) -> &'a i32 { + | ++ ++ error: aborting due to 1 previous error diff --git a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-self-is-anon.stderr b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-self-is-anon.stderr index 0a312cf93c8d..997537f1ecd9 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-self-is-anon.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-self-is-anon.stderr @@ -10,8 +10,8 @@ LL | if true { x } else { self } | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn foo<'a>(&'a self, x: &'a Foo) -> &'a Foo { - | ++ ++ ++ +LL | fn foo<'a>(&self, x: &'a Foo) -> &'a Foo { + | ++ ++ error: aborting due to 1 previous error diff --git a/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.stderr b/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.stderr index 549b03b061bc..98f493f3f91d 100644 --- a/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.stderr +++ b/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.stderr @@ -10,8 +10,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn a<'a>(self: Pin<&'a Foo>, f: &'a Foo) -> &'a Foo { - | ++++ ++ ++ ++ +LL | fn a<'a>(self: Pin<&Foo>, f: &'a Foo) -> &'a Foo { + | ++++ ++ ++ error: lifetime may not live long enough --> $DIR/arbitrary_self_types_pin_lifetime_mismatch.rs:14:9 @@ -25,8 +25,8 @@ LL | (self, f) | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn c<'a>(self: Pin<&'a Self>, f: &'a Foo, g: &Foo) -> (Pin<&'a Foo>, &'a Foo) { - | ++++ ++ ++ ++ ++ +LL | fn c<'a>(self: Pin<&Self>, f: &'a Foo, g: &Foo) -> (Pin<&'a Foo>, &'a Foo) { + | ++++ ++ ++ ++ error: lifetime may not live long enough --> $DIR/arbitrary_self_types_pin_lifetime_mismatch.rs:21:9 @@ -40,8 +40,8 @@ LL | arg | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn bar<'a>(self: Alias<&'a Self>, arg: &'a ()) -> &'a () { - | ++ ++ +LL | fn bar<'a>(self: Alias<&Self>, arg: &'a ()) -> &'a () { + | ++ error: aborting due to 3 previous errors diff --git a/tests/ui/self/elision/lt-ref-self.fixed b/tests/ui/self/elision/lt-ref-self.fixed index ff0c057fe427..1d90eacea50d 100644 --- a/tests/ui/self/elision/lt-ref-self.fixed +++ b/tests/ui/self/elision/lt-ref-self.fixed @@ -10,34 +10,34 @@ struct Struct<'a> { impl<'a> Struct<'a> { // Test using `&self` sugar: - fn ref_self<'b>(&'b self, f: &'b u32) -> &'b u32 { + fn ref_self<'b>(&self, f: &'b u32) -> &'b u32 { f //~^ ERROR lifetime may not live long enough } // Test using `&Self` explicitly: - fn ref_Self<'b>(self: &'b Self, f: &'b u32) -> &'b u32 { + fn ref_Self<'b>(self: &Self, f: &'b u32) -> &'b u32 { f //~^ ERROR lifetime may not live long enough } - fn box_ref_Self<'b>(self: Box<&'b Self>, f: &'b u32) -> &'b u32 { + fn box_ref_Self<'b>(self: Box<&Self>, f: &'b u32) -> &'b u32 { f //~^ ERROR lifetime may not live long enough } - fn pin_ref_Self<'b>(self: Pin<&'b Self>, f: &'b u32) -> &'b u32 { + fn pin_ref_Self<'b>(self: Pin<&Self>, f: &'b u32) -> &'b u32 { f //~^ ERROR lifetime may not live long enough } - fn box_box_ref_Self<'b>(self: Box>, f: &'b u32) -> &'b u32 { + fn box_box_ref_Self<'b>(self: Box>, f: &'b u32) -> &'b u32 { f //~^ ERROR lifetime may not live long enough } - fn box_pin_Self<'b>(self: Box>, f: &'b u32) -> &'b u32 { + fn box_pin_Self<'b>(self: Box>, f: &'b u32) -> &'b u32 { f //~^ ERROR lifetime may not live long enough } diff --git a/tests/ui/self/elision/lt-ref-self.stderr b/tests/ui/self/elision/lt-ref-self.stderr index 237175ac7635..5c8e0a7a742a 100644 --- a/tests/ui/self/elision/lt-ref-self.stderr +++ b/tests/ui/self/elision/lt-ref-self.stderr @@ -10,8 +10,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn ref_self<'b>(&'b self, f: &'b u32) -> &'b u32 { - | ++++ ++ ++ ++ +LL | fn ref_self<'b>(&self, f: &'b u32) -> &'b u32 { + | ++++ ++ ++ error: lifetime may not live long enough --> $DIR/lt-ref-self.rs:21:9 @@ -25,8 +25,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn ref_Self<'b>(self: &'b Self, f: &'b u32) -> &'b u32 { - | ++++ ++ ++ ++ +LL | fn ref_Self<'b>(self: &Self, f: &'b u32) -> &'b u32 { + | ++++ ++ ++ error: lifetime may not live long enough --> $DIR/lt-ref-self.rs:26:9 @@ -40,8 +40,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn box_ref_Self<'b>(self: Box<&'b Self>, f: &'b u32) -> &'b u32 { - | ++++ ++ ++ ++ +LL | fn box_ref_Self<'b>(self: Box<&Self>, f: &'b u32) -> &'b u32 { + | ++++ ++ ++ error: lifetime may not live long enough --> $DIR/lt-ref-self.rs:31:9 @@ -55,8 +55,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn pin_ref_Self<'b>(self: Pin<&'b Self>, f: &'b u32) -> &'b u32 { - | ++++ ++ ++ ++ +LL | fn pin_ref_Self<'b>(self: Pin<&Self>, f: &'b u32) -> &'b u32 { + | ++++ ++ ++ error: lifetime may not live long enough --> $DIR/lt-ref-self.rs:36:9 @@ -70,8 +70,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn box_box_ref_Self<'b>(self: Box>, f: &'b u32) -> &'b u32 { - | ++++ ++ ++ ++ +LL | fn box_box_ref_Self<'b>(self: Box>, f: &'b u32) -> &'b u32 { + | ++++ ++ ++ error: lifetime may not live long enough --> $DIR/lt-ref-self.rs:41:9 @@ -85,8 +85,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn box_pin_Self<'b>(self: Box>, f: &'b u32) -> &'b u32 { - | ++++ ++ ++ ++ +LL | fn box_pin_Self<'b>(self: Box>, f: &'b u32) -> &'b u32 { + | ++++ ++ ++ error: aborting due to 6 previous errors diff --git a/tests/ui/self/elision/ref-mut-self.fixed b/tests/ui/self/elision/ref-mut-self.fixed index 7886d0979761..42e8050f65e3 100644 --- a/tests/ui/self/elision/ref-mut-self.fixed +++ b/tests/ui/self/elision/ref-mut-self.fixed @@ -8,34 +8,34 @@ struct Struct {} impl Struct { // Test using `&mut self` sugar: - fn ref_self<'a>(&'a mut self, f: &'a u32) -> &'a u32 { + fn ref_self<'a>(&mut self, f: &'a u32) -> &'a u32 { f //~^ ERROR lifetime may not live long enough } // Test using `&mut Self` explicitly: - fn ref_Self<'a>(self: &'a mut Self, f: &'a u32) -> &'a u32 { + fn ref_Self<'a>(self: &mut Self, f: &'a u32) -> &'a u32 { f //~^ ERROR lifetime may not live long enough } - fn box_ref_Self<'a>(self: Box<&'a mut Self>, f: &'a u32) -> &'a u32 { + fn box_ref_Self<'a>(self: Box<&mut Self>, f: &'a u32) -> &'a u32 { f //~^ ERROR lifetime may not live long enough } - fn pin_ref_Self<'a>(self: Pin<&'a mut Self>, f: &'a u32) -> &'a u32 { + fn pin_ref_Self<'a>(self: Pin<&mut Self>, f: &'a u32) -> &'a u32 { f //~^ ERROR lifetime may not live long enough } - fn box_box_ref_Self<'a>(self: Box>, f: &'a u32) -> &'a u32 { + fn box_box_ref_Self<'a>(self: Box>, f: &'a u32) -> &'a u32 { f //~^ ERROR lifetime may not live long enough } - fn box_pin_ref_Self<'a>(self: Box>, f: &'a u32) -> &'a u32 { + fn box_pin_ref_Self<'a>(self: Box>, f: &'a u32) -> &'a u32 { f //~^ ERROR lifetime may not live long enough } diff --git a/tests/ui/self/elision/ref-mut-self.stderr b/tests/ui/self/elision/ref-mut-self.stderr index a09034e5f71d..620706fdbdbc 100644 --- a/tests/ui/self/elision/ref-mut-self.stderr +++ b/tests/ui/self/elision/ref-mut-self.stderr @@ -10,8 +10,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn ref_self<'a>(&'a mut self, f: &'a u32) -> &'a u32 { - | ++++ ++ ++ ++ +LL | fn ref_self<'a>(&mut self, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-mut-self.rs:19:9 @@ -25,8 +25,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn ref_Self<'a>(self: &'a mut Self, f: &'a u32) -> &'a u32 { - | ++++ ++ ++ ++ +LL | fn ref_Self<'a>(self: &mut Self, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-mut-self.rs:24:9 @@ -40,8 +40,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn box_ref_Self<'a>(self: Box<&'a mut Self>, f: &'a u32) -> &'a u32 { - | ++++ ++ ++ ++ +LL | fn box_ref_Self<'a>(self: Box<&mut Self>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-mut-self.rs:29:9 @@ -55,8 +55,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn pin_ref_Self<'a>(self: Pin<&'a mut Self>, f: &'a u32) -> &'a u32 { - | ++++ ++ ++ ++ +LL | fn pin_ref_Self<'a>(self: Pin<&mut Self>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-mut-self.rs:34:9 @@ -70,8 +70,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn box_box_ref_Self<'a>(self: Box>, f: &'a u32) -> &'a u32 { - | ++++ ++ ++ ++ +LL | fn box_box_ref_Self<'a>(self: Box>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-mut-self.rs:39:9 @@ -85,8 +85,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn box_pin_ref_Self<'a>(self: Box>, f: &'a u32) -> &'a u32 { - | ++++ ++ ++ ++ +LL | fn box_pin_ref_Self<'a>(self: Box>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ error: aborting due to 6 previous errors diff --git a/tests/ui/self/elision/ref-mut-struct.fixed b/tests/ui/self/elision/ref-mut-struct.fixed index 188d3bb517e0..f7a84d4a45c7 100644 --- a/tests/ui/self/elision/ref-mut-struct.fixed +++ b/tests/ui/self/elision/ref-mut-struct.fixed @@ -8,27 +8,27 @@ struct Struct {} impl Struct { // Test using `&mut Struct` explicitly: - fn ref_Struct<'a>(self: &'a mut Struct, f: &'a u32) -> &'a u32 { + fn ref_Struct<'a>(self: &mut Struct, f: &'a u32) -> &'a u32 { f //~^ ERROR lifetime may not live long enough } - fn box_ref_Struct<'a>(self: Box<&'a mut Struct>, f: &'a u32) -> &'a u32 { + fn box_ref_Struct<'a>(self: Box<&mut Struct>, f: &'a u32) -> &'a u32 { f //~^ ERROR lifetime may not live long enough } - fn pin_ref_Struct<'a>(self: Pin<&'a mut Struct>, f: &'a u32) -> &'a u32 { + fn pin_ref_Struct<'a>(self: Pin<&mut Struct>, f: &'a u32) -> &'a u32 { f //~^ ERROR lifetime may not live long enough } - fn box_box_ref_Struct<'a>(self: Box>, f: &'a u32) -> &'a u32 { + fn box_box_ref_Struct<'a>(self: Box>, f: &'a u32) -> &'a u32 { f //~^ ERROR lifetime may not live long enough } - fn box_pin_ref_Struct<'a>(self: Box>, f: &'a u32) -> &'a u32 { + fn box_pin_ref_Struct<'a>(self: Box>, f: &'a u32) -> &'a u32 { f //~^ ERROR lifetime may not live long enough } diff --git a/tests/ui/self/elision/ref-mut-struct.stderr b/tests/ui/self/elision/ref-mut-struct.stderr index 19b09272504e..cce07f827184 100644 --- a/tests/ui/self/elision/ref-mut-struct.stderr +++ b/tests/ui/self/elision/ref-mut-struct.stderr @@ -10,8 +10,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn ref_Struct<'a>(self: &'a mut Struct, f: &'a u32) -> &'a u32 { - | ++++ ++ ++ ++ +LL | fn ref_Struct<'a>(self: &mut Struct, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-mut-struct.rs:17:9 @@ -25,8 +25,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn box_ref_Struct<'a>(self: Box<&'a mut Struct>, f: &'a u32) -> &'a u32 { - | ++++ ++ ++ ++ +LL | fn box_ref_Struct<'a>(self: Box<&mut Struct>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-mut-struct.rs:22:9 @@ -40,8 +40,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn pin_ref_Struct<'a>(self: Pin<&'a mut Struct>, f: &'a u32) -> &'a u32 { - | ++++ ++ ++ ++ +LL | fn pin_ref_Struct<'a>(self: Pin<&mut Struct>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-mut-struct.rs:27:9 @@ -55,8 +55,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn box_box_ref_Struct<'a>(self: Box>, f: &'a u32) -> &'a u32 { - | ++++ ++ ++ ++ +LL | fn box_box_ref_Struct<'a>(self: Box>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-mut-struct.rs:32:9 @@ -70,8 +70,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn box_pin_ref_Struct<'a>(self: Box>, f: &'a u32) -> &'a u32 { - | ++++ ++ ++ ++ +LL | fn box_pin_ref_Struct<'a>(self: Box>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ error: aborting due to 5 previous errors diff --git a/tests/ui/self/elision/ref-self.fixed b/tests/ui/self/elision/ref-self.fixed index 1369bb83e970..8bf5a0bb2232 100644 --- a/tests/ui/self/elision/ref-self.fixed +++ b/tests/ui/self/elision/ref-self.fixed @@ -20,39 +20,39 @@ impl Deref for Wrap { impl Struct { // Test using `&self` sugar: - fn ref_self<'a>(&'a self, f: &'a u32) -> &'a u32 { + fn ref_self<'a>(&self, f: &'a u32) -> &'a u32 { f //~^ ERROR lifetime may not live long enough } // Test using `&Self` explicitly: - fn ref_Self<'a>(self: &'a Self, f: &'a u32) -> &'a u32 { + fn ref_Self<'a>(self: &Self, f: &'a u32) -> &'a u32 { f //~^ ERROR lifetime may not live long enough } - fn box_ref_Self<'a>(self: Box<&'a Self>, f: &'a u32) -> &'a u32 { + fn box_ref_Self<'a>(self: Box<&Self>, f: &'a u32) -> &'a u32 { f //~^ ERROR lifetime may not live long enough } - fn pin_ref_Self<'a>(self: Pin<&'a Self>, f: &'a u32) -> &'a u32 { + fn pin_ref_Self<'a>(self: Pin<&Self>, f: &'a u32) -> &'a u32 { f //~^ ERROR lifetime may not live long enough } - fn box_box_ref_Self<'a>(self: Box>, f: &'a u32) -> &'a u32 { + fn box_box_ref_Self<'a>(self: Box>, f: &'a u32) -> &'a u32 { f //~^ ERROR lifetime may not live long enough } - fn box_pin_ref_Self<'a>(self: Box>, f: &'a u32) -> &'a u32 { + fn box_pin_ref_Self<'a>(self: Box>, f: &'a u32) -> &'a u32 { f //~^ ERROR lifetime may not live long enough } - fn wrap_ref_Self_Self<'a>(self: Wrap<&'a Self, Self>, f: &'a u8) -> &'a u8 { + fn wrap_ref_Self_Self<'a>(self: Wrap<&Self, Self>, f: &'a u8) -> &'a u8 { f //~^ ERROR lifetime may not live long enough } diff --git a/tests/ui/self/elision/ref-self.stderr b/tests/ui/self/elision/ref-self.stderr index a39a6a15385e..c4ec8c55a003 100644 --- a/tests/ui/self/elision/ref-self.stderr +++ b/tests/ui/self/elision/ref-self.stderr @@ -10,8 +10,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn ref_self<'a>(&'a self, f: &'a u32) -> &'a u32 { - | ++++ ++ ++ ++ +LL | fn ref_self<'a>(&self, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-self.rs:31:9 @@ -25,8 +25,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn ref_Self<'a>(self: &'a Self, f: &'a u32) -> &'a u32 { - | ++++ ++ ++ ++ +LL | fn ref_Self<'a>(self: &Self, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-self.rs:36:9 @@ -40,8 +40,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn box_ref_Self<'a>(self: Box<&'a Self>, f: &'a u32) -> &'a u32 { - | ++++ ++ ++ ++ +LL | fn box_ref_Self<'a>(self: Box<&Self>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-self.rs:41:9 @@ -55,8 +55,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn pin_ref_Self<'a>(self: Pin<&'a Self>, f: &'a u32) -> &'a u32 { - | ++++ ++ ++ ++ +LL | fn pin_ref_Self<'a>(self: Pin<&Self>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-self.rs:46:9 @@ -70,8 +70,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn box_box_ref_Self<'a>(self: Box>, f: &'a u32) -> &'a u32 { - | ++++ ++ ++ ++ +LL | fn box_box_ref_Self<'a>(self: Box>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-self.rs:51:9 @@ -85,8 +85,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn box_pin_ref_Self<'a>(self: Box>, f: &'a u32) -> &'a u32 { - | ++++ ++ ++ ++ +LL | fn box_pin_ref_Self<'a>(self: Box>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-self.rs:56:9 @@ -100,8 +100,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn wrap_ref_Self_Self<'a>(self: Wrap<&'a Self, Self>, f: &'a u8) -> &'a u8 { - | ++++ ++ ++ ++ +LL | fn wrap_ref_Self_Self<'a>(self: Wrap<&Self, Self>, f: &'a u8) -> &'a u8 { + | ++++ ++ ++ error: aborting due to 7 previous errors diff --git a/tests/ui/self/elision/ref-struct.fixed b/tests/ui/self/elision/ref-struct.fixed index a9ecbc9c3aec..411f60131956 100644 --- a/tests/ui/self/elision/ref-struct.fixed +++ b/tests/ui/self/elision/ref-struct.fixed @@ -8,27 +8,27 @@ struct Struct {} impl Struct { // Test using `&Struct` explicitly: - fn ref_Struct<'a>(self: &'a Struct, f: &'a u32) -> &'a u32 { + fn ref_Struct<'a>(self: &Struct, f: &'a u32) -> &'a u32 { f //~^ ERROR lifetime may not live long enough } - fn box_ref_Struct<'a>(self: Box<&'a Struct>, f: &'a u32) -> &'a u32 { + fn box_ref_Struct<'a>(self: Box<&Struct>, f: &'a u32) -> &'a u32 { f //~^ ERROR lifetime may not live long enough } - fn pin_ref_Struct<'a>(self: Pin<&'a Struct>, f: &'a u32) -> &'a u32 { + fn pin_ref_Struct<'a>(self: Pin<&Struct>, f: &'a u32) -> &'a u32 { f //~^ ERROR lifetime may not live long enough } - fn box_box_ref_Struct<'a>(self: Box>, f: &'a u32) -> &'a u32 { + fn box_box_ref_Struct<'a>(self: Box>, f: &'a u32) -> &'a u32 { f //~^ ERROR lifetime may not live long enough } - fn box_pin_Struct<'a>(self: Box>, f: &'a u32) -> &'a u32 { + fn box_pin_Struct<'a>(self: Box>, f: &'a u32) -> &'a u32 { f //~^ ERROR lifetime may not live long enough } diff --git a/tests/ui/self/elision/ref-struct.stderr b/tests/ui/self/elision/ref-struct.stderr index 157e0d407932..860186c83532 100644 --- a/tests/ui/self/elision/ref-struct.stderr +++ b/tests/ui/self/elision/ref-struct.stderr @@ -10,8 +10,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn ref_Struct<'a>(self: &'a Struct, f: &'a u32) -> &'a u32 { - | ++++ ++ ++ ++ +LL | fn ref_Struct<'a>(self: &Struct, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-struct.rs:17:9 @@ -25,8 +25,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn box_ref_Struct<'a>(self: Box<&'a Struct>, f: &'a u32) -> &'a u32 { - | ++++ ++ ++ ++ +LL | fn box_ref_Struct<'a>(self: Box<&Struct>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-struct.rs:22:9 @@ -40,8 +40,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn pin_ref_Struct<'a>(self: Pin<&'a Struct>, f: &'a u32) -> &'a u32 { - | ++++ ++ ++ ++ +LL | fn pin_ref_Struct<'a>(self: Pin<&Struct>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-struct.rs:27:9 @@ -55,8 +55,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn box_box_ref_Struct<'a>(self: Box>, f: &'a u32) -> &'a u32 { - | ++++ ++ ++ ++ +LL | fn box_box_ref_Struct<'a>(self: Box>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ error: lifetime may not live long enough --> $DIR/ref-struct.rs:32:9 @@ -70,8 +70,8 @@ LL | f | help: consider introducing a named lifetime parameter and update trait if needed | -LL | fn box_pin_Struct<'a>(self: Box>, f: &'a u32) -> &'a u32 { - | ++++ ++ ++ ++ +LL | fn box_pin_Struct<'a>(self: Box>, f: &'a u32) -> &'a u32 { + | ++++ ++ ++ error: aborting due to 5 previous errors From 318a0fe5865e9f0713ae3b739403fd361c42a299 Mon Sep 17 00:00:00 2001 From: marc0246 <40955683+marc0246@users.noreply.github.com> Date: Fri, 17 May 2024 22:58:25 +0200 Subject: [PATCH 0194/1716] Ignore the Helix configuration directory --- src/tools/miri/.gitignore | 1 + 1 file changed, 1 insertion(+) diff --git a/src/tools/miri/.gitignore b/src/tools/miri/.gitignore index 97e006e8b1b8..03c5591b7875 100644 --- a/src/tools/miri/.gitignore +++ b/src/tools/miri/.gitignore @@ -5,6 +5,7 @@ tex/*/out *.out *.rs.bk .vscode +.helix *.mm_profdata perf.data perf.data.old From cf5702ee91dd9ba93c19aae9e663e613a577d02b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Esteban=20K=C3=BCber?= Date: Fri, 17 May 2024 21:23:47 +0000 Subject: [PATCH 0195/1716] Detect when a lifetime is being reused in suggestion --- compiler/rustc_infer/messages.ftl | 5 ++++- compiler/rustc_infer/src/errors/mod.rs | 1 + tests/ui/lifetimes/issue-90170-elision-mismatch.stderr | 2 +- .../ex1-return-one-existing-name-if-else-using-impl.stderr | 2 +- .../ex1-return-one-existing-name-return-type-is-anon.stderr | 2 +- .../ex1-return-one-existing-name-self-is-anon.stderr | 2 +- .../ex3-both-anon-regions-return-type-is-anon.stderr | 2 +- .../ex3-both-anon-regions-self-is-anon.stderr | 2 +- .../arbitrary_self_types_pin_lifetime_mismatch-async.stderr | 2 +- .../self/arbitrary_self_types_pin_lifetime_mismatch.stderr | 2 +- 10 files changed, 13 insertions(+), 9 deletions(-) diff --git a/compiler/rustc_infer/messages.ftl b/compiler/rustc_infer/messages.ftl index 64f52ea7ac19..8f1c4ad462a6 100644 --- a/compiler/rustc_infer/messages.ftl +++ b/compiler/rustc_infer/messages.ftl @@ -164,7 +164,10 @@ infer_label_bad = {$bad_kind -> infer_lf_bound_not_satisfied = lifetime bound not satisfied infer_lifetime_mismatch = lifetime mismatch -infer_lifetime_param_suggestion = consider introducing a named lifetime parameter{$is_impl -> +infer_lifetime_param_suggestion = consider {$is_reuse -> + [true] reusing + *[false] introducing +} a named lifetime parameter{$is_impl -> [true] {" "}and update trait if needed *[false] {""} } diff --git a/compiler/rustc_infer/src/errors/mod.rs b/compiler/rustc_infer/src/errors/mod.rs index 9998f089588a..8bb0dc39143c 100644 --- a/compiler/rustc_infer/src/errors/mod.rs +++ b/compiler/rustc_infer/src/errors/mod.rs @@ -517,6 +517,7 @@ impl Subdiagnostic for AddLifetimeParamsSuggestion<'_> { Applicability::MaybeIncorrect, ); diag.arg("is_impl", is_impl); + diag.arg("is_reuse", !introduce_new); true }; diff --git a/tests/ui/lifetimes/issue-90170-elision-mismatch.stderr b/tests/ui/lifetimes/issue-90170-elision-mismatch.stderr index 48fb3fb4a229..82511d07b0ef 100644 --- a/tests/ui/lifetimes/issue-90170-elision-mismatch.stderr +++ b/tests/ui/lifetimes/issue-90170-elision-mismatch.stderr @@ -35,7 +35,7 @@ LL | pub fn foo3<'a>(_other: &'a [u8], x: &mut Vec<&u8>, y: &u8) { x.push(y); } | | let's call the lifetime of this reference `'1` | let's call the lifetime of this reference `'2` | -help: consider introducing a named lifetime parameter +help: consider reusing a named lifetime parameter | LL | pub fn foo3<'a>(_other: &'a [u8], x: &mut Vec<&'a u8>, y: &'a u8) { x.push(y); } | ++ ++ diff --git a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl.stderr b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl.stderr index 6bc82910b06a..2caab3df6b85 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-if-else-using-impl.stderr @@ -9,7 +9,7 @@ LL | LL | if x > y { x } else { y } | ^ associated function was supposed to return data with lifetime `'a` but it is returning data with lifetime `'1` | -help: consider introducing a named lifetime parameter and update trait if needed +help: consider reusing a named lifetime parameter and update trait if needed | LL | fn foo<'a>(x: &'a i32, y: &'a i32) -> &'a i32 { | ++ diff --git a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.stderr b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.stderr index 345f099542d9..c743351a6702 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.stderr @@ -8,7 +8,7 @@ LL | fn foo<'a>(&self, x: &'a i32) -> &i32 { LL | x | ^ method was supposed to return data with lifetime `'1` but it is returning data with lifetime `'a` | -help: consider introducing a named lifetime parameter and update trait if needed +help: consider reusing a named lifetime parameter and update trait if needed | LL | fn foo<'a>(&self, x: &'a i32) -> &'a i32 { | ++ diff --git a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-self-is-anon.stderr b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-self-is-anon.stderr index f106d45b9acd..4ed6c3bc92d7 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-self-is-anon.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-self-is-anon.stderr @@ -9,7 +9,7 @@ LL | LL | if true { x } else { self } | ^^^^ method was supposed to return data with lifetime `'a` but it is returning data with lifetime `'1` | -help: consider introducing a named lifetime parameter and update trait if needed +help: consider reusing a named lifetime parameter and update trait if needed | LL | fn foo<'a>(&'a self, x: &'a Foo) -> &'a Foo { | ++ diff --git a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.stderr b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.stderr index dd45c8b1cb77..673a87a4537c 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.stderr @@ -8,7 +8,7 @@ LL | fn foo<'a>(&self, x: &i32) -> &i32 { LL | x | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | -help: consider introducing a named lifetime parameter and update trait if needed +help: consider reusing a named lifetime parameter and update trait if needed | LL | fn foo<'a>(&self, x: &'a i32) -> &'a i32 { | ++ ++ diff --git a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-self-is-anon.stderr b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-self-is-anon.stderr index 997537f1ecd9..64bd448a0747 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-self-is-anon.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-self-is-anon.stderr @@ -8,7 +8,7 @@ LL | fn foo<'a>(&self, x: &Foo) -> &Foo { LL | if true { x } else { self } | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | -help: consider introducing a named lifetime parameter and update trait if needed +help: consider reusing a named lifetime parameter and update trait if needed | LL | fn foo<'a>(&self, x: &'a Foo) -> &'a Foo { | ++ ++ diff --git a/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch-async.stderr b/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch-async.stderr index bb643ab82722..b00260fa0efa 100644 --- a/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch-async.stderr +++ b/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch-async.stderr @@ -35,7 +35,7 @@ LL | async fn bar<'a>(self: Alias<&Self>, arg: &'a ()) -> &() { arg } | | let's call the lifetime of this reference `'1` | lifetime `'a` defined here | -help: consider introducing a named lifetime parameter and update trait if needed +help: consider reusing a named lifetime parameter and update trait if needed | LL | async fn bar<'a>(self: Alias<&'a Self>, arg: &'a ()) -> &() { arg } | ++ diff --git a/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.stderr b/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.stderr index 98f493f3f91d..57527dd31df3 100644 --- a/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.stderr +++ b/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.stderr @@ -38,7 +38,7 @@ LL | fn bar<'a>(self: Alias<&Self>, arg: &'a ()) -> &() { LL | arg | ^^^ method was supposed to return data with lifetime `'1` but it is returning data with lifetime `'a` | -help: consider introducing a named lifetime parameter and update trait if needed +help: consider reusing a named lifetime parameter and update trait if needed | LL | fn bar<'a>(self: Alias<&Self>, arg: &'a ()) -> &'a () { | ++ From 0590d71ce2a0dada4f8970ed024f253552902016 Mon Sep 17 00:00:00 2001 From: Santiago Pastorino Date: Fri, 17 May 2024 14:17:48 -0300 Subject: [PATCH 0196/1716] Rename Unsafe to Safety --- clippy_lints/src/derive.rs | 4 ++-- clippy_lints/src/doc/missing_headers.rs | 8 ++++---- clippy_lints/src/doc/mod.rs | 6 +++--- clippy_lints/src/eta_reduction.rs | 12 +++++------- clippy_lints/src/functions/misnamed_getters.rs | 4 ++-- .../src/functions/not_unsafe_ptr_arg_deref.rs | 16 ++++++++-------- clippy_lints/src/inherent_to_string.rs | 4 ++-- clippy_lints/src/methods/mod.rs | 6 ++---- .../src/multiple_unsafe_ops_per_block.rs | 6 +++--- clippy_lints/src/new_without_default.rs | 2 +- clippy_lints/src/ptr.rs | 4 ++-- clippy_lints/src/undocumented_unsafe_blocks.rs | 4 ++-- clippy_utils/src/ast_utils.rs | 16 ++++++++-------- clippy_utils/src/check_proc_macro.rs | 11 +++++------ clippy_utils/src/hir_utils.rs | 2 +- clippy_utils/src/ty.rs | 4 ++-- clippy_utils/src/visitors.rs | 10 +++++----- 17 files changed, 57 insertions(+), 62 deletions(-) diff --git a/clippy_lints/src/derive.rs b/clippy_lints/src/derive.rs index 9662c8f4fe2f..53e0cef361aa 100644 --- a/clippy_lints/src/derive.rs +++ b/clippy_lints/src/derive.rs @@ -5,7 +5,7 @@ use rustc_errors::Applicability; use rustc_hir::def_id::DefId; use rustc_hir::intravisit::{walk_expr, walk_fn, walk_item, FnKind, Visitor}; use rustc_hir::{ - self as hir, BlockCheckMode, BodyId, Expr, ExprKind, FnDecl, Impl, Item, ItemKind, UnsafeSource, Unsafety, + self as hir, BlockCheckMode, BodyId, Expr, ExprKind, FnDecl, Safety, Impl, Item, ItemKind, UnsafeSource, }; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::hir::nested_filter; @@ -415,7 +415,7 @@ impl<'tcx> Visitor<'tcx> for UnsafeVisitor<'_, 'tcx> { } if let Some(header) = kind.header() - && header.unsafety == Unsafety::Unsafe + && header.safety == Safety::Unsafe { self.has_unsafe = true; } diff --git a/clippy_lints/src/doc/missing_headers.rs b/clippy_lints/src/doc/missing_headers.rs index f935ae2e3e48..36ba19698c72 100644 --- a/clippy_lints/src/doc/missing_headers.rs +++ b/clippy_lints/src/doc/missing_headers.rs @@ -1,7 +1,7 @@ use clippy_utils::diagnostics::{span_lint, span_lint_and_note}; use clippy_utils::ty::{implements_trait, is_type_diagnostic_item}; use clippy_utils::{is_doc_hidden, return_ty}; -use rustc_hir::{BodyId, FnSig, OwnerId, Unsafety}; +use rustc_hir::{BodyId, FnSig, OwnerId, Safety}; use rustc_lint::LateContext; use rustc_middle::ty; use rustc_span::{sym, Span}; @@ -33,14 +33,14 @@ pub fn check( } let span = cx.tcx.def_span(owner_id); - match (headers.safety, sig.header.unsafety) { - (false, Unsafety::Unsafe) => span_lint( + match (headers.safety, sig.header.safety) { + (false, Safety::Unsafe) => span_lint( cx, MISSING_SAFETY_DOC, span, "unsafe function's docs miss `# Safety` section", ), - (true, Unsafety::Normal) => span_lint( + (true, Safety::Safe) => span_lint( cx, UNNECESSARY_SAFETY_DOC, span, diff --git a/clippy_lints/src/doc/mod.rs b/clippy_lints/src/doc/mod.rs index 4bced104d3bc..7fdb582e6403 100644 --- a/clippy_lints/src/doc/mod.rs +++ b/clippy_lints/src/doc/mod.rs @@ -12,7 +12,7 @@ use pulldown_cmark::{BrokenLink, CodeBlockKind, CowStr, Options}; use rustc_ast::ast::Attribute; use rustc_data_structures::fx::FxHashSet; use rustc_hir::intravisit::{self, Visitor}; -use rustc_hir::{AnonConst, Expr, ImplItemKind, ItemKind, Node, TraitItemKind, Unsafety}; +use rustc_hir::{AnonConst, Expr, ImplItemKind, ItemKind, Node, Safety, TraitItemKind}; use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_middle::hir::nested_filter; use rustc_middle::lint::in_external_macro; @@ -415,13 +415,13 @@ impl<'tcx> LateLintPass<'tcx> for Documentation { } }, ItemKind::Trait(_, unsafety, ..) => match (headers.safety, unsafety) { - (false, Unsafety::Unsafe) => span_lint( + (false, Safety::Unsafe) => span_lint( cx, MISSING_SAFETY_DOC, cx.tcx.def_span(item.owner_id), "docs for unsafe trait missing `# Safety` section", ), - (true, Unsafety::Normal) => span_lint( + (true, Safety::Safe) => span_lint( cx, UNNECESSARY_SAFETY_DOC, cx.tcx.def_span(item.owner_id), diff --git a/clippy_lints/src/eta_reduction.rs b/clippy_lints/src/eta_reduction.rs index 306a4a9e55c9..b58018ca0353 100644 --- a/clippy_lints/src/eta_reduction.rs +++ b/clippy_lints/src/eta_reduction.rs @@ -5,7 +5,7 @@ use clippy_utils::ty::type_diagnostic_name; use clippy_utils::usage::{local_used_after_expr, local_used_in}; use clippy_utils::{get_path_from_caller_to_method_type, is_adjusted, path_to_local, path_to_local_id}; use rustc_errors::Applicability; -use rustc_hir::{BindingMode, Expr, ExprKind, FnRetTy, Param, PatKind, QPath, TyKind, Unsafety}; +use rustc_hir::{BindingMode, Expr, ExprKind, FnRetTy, Param, PatKind, QPath, Safety, TyKind}; use rustc_infer::infer::TyCtxtInferExt; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty::{ @@ -146,7 +146,7 @@ impl<'tcx> LateLintPass<'tcx> for EtaReduction { ty::FnPtr(sig) => sig.skip_binder(), ty::Closure(_, subs) => cx .tcx - .signature_unclosure(subs.as_closure().sig(), Unsafety::Normal) + .signature_unclosure(subs.as_closure().sig(), Safety::Safe) .skip_binder(), _ => { if typeck.type_dependent_def_id(body.value.hir_id).is_some() @@ -154,7 +154,7 @@ impl<'tcx> LateLintPass<'tcx> for EtaReduction { && let output = typeck.expr_ty(body.value) && let ty::Tuple(tys) = *subs.type_at(1).kind() { - cx.tcx.mk_fn_sig(tys, output, false, Unsafety::Normal, Abi::Rust) + cx.tcx.mk_fn_sig(tys, output, false, Safety::Safe, Abi::Rust) } else { return; } @@ -241,11 +241,9 @@ fn check_inputs( } fn check_sig<'tcx>(cx: &LateContext<'tcx>, closure: ClosureArgs<'tcx>, call_sig: FnSig<'_>) -> bool { - call_sig.unsafety == Unsafety::Normal + call_sig.safety == Safety::Safe && !has_late_bound_to_non_late_bound_regions( - cx.tcx - .signature_unclosure(closure.sig(), Unsafety::Normal) - .skip_binder(), + cx.tcx.signature_unclosure(closure.sig(), Safety::Safe).skip_binder(), call_sig, ) } diff --git a/clippy_lints/src/functions/misnamed_getters.rs b/clippy_lints/src/functions/misnamed_getters.rs index 8ac17e17688d..7729c556e1fc 100644 --- a/clippy_lints/src/functions/misnamed_getters.rs +++ b/clippy_lints/src/functions/misnamed_getters.rs @@ -2,7 +2,7 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::source::snippet; use rustc_errors::Applicability; use rustc_hir::intravisit::FnKind; -use rustc_hir::{Body, ExprKind, FnDecl, ImplicitSelfKind, Unsafety}; +use rustc_hir::{Body, ExprKind, FnDecl, Safety, ImplicitSelfKind}; use rustc_lint::LateContext; use rustc_middle::ty; use rustc_span::Span; @@ -34,7 +34,7 @@ pub fn check_fn(cx: &LateContext<'_>, kind: FnKind<'_>, decl: &FnDecl<'_>, body: ImplicitSelfKind::None => return, }; - let name = if sig.header.unsafety == Unsafety::Unsafe { + let name = if sig.header.safety == Safety::Unsafe { name.strip_suffix("_unchecked").unwrap_or(name) } else { name diff --git a/clippy_lints/src/functions/not_unsafe_ptr_arg_deref.rs b/clippy_lints/src/functions/not_unsafe_ptr_arg_deref.rs index 995dd782cbbd..b44a5f20ef68 100644 --- a/clippy_lints/src/functions/not_unsafe_ptr_arg_deref.rs +++ b/clippy_lints/src/functions/not_unsafe_ptr_arg_deref.rs @@ -19,30 +19,30 @@ pub(super) fn check_fn<'tcx>( body: &'tcx hir::Body<'tcx>, def_id: LocalDefId, ) { - let unsafety = match kind { - intravisit::FnKind::ItemFn(_, _, hir::FnHeader { unsafety, .. }) => unsafety, - intravisit::FnKind::Method(_, sig) => sig.header.unsafety, + let safety = match kind { + intravisit::FnKind::ItemFn(_, _, hir::FnHeader { safety, .. }) => safety, + intravisit::FnKind::Method(_, sig) => sig.header.safety, intravisit::FnKind::Closure => return, }; - check_raw_ptr(cx, unsafety, decl, body, def_id); + check_raw_ptr(cx, safety, decl, body, def_id); } pub(super) fn check_trait_item<'tcx>(cx: &LateContext<'tcx>, item: &'tcx hir::TraitItem<'_>) { if let hir::TraitItemKind::Fn(ref sig, hir::TraitFn::Provided(eid)) = item.kind { let body = cx.tcx.hir().body(eid); - check_raw_ptr(cx, sig.header.unsafety, sig.decl, body, item.owner_id.def_id); + check_raw_ptr(cx, sig.header.safety, sig.decl, body, item.owner_id.def_id); } } fn check_raw_ptr<'tcx>( cx: &LateContext<'tcx>, - unsafety: hir::Unsafety, + safety: hir::Safety, decl: &'tcx hir::FnDecl<'tcx>, body: &'tcx hir::Body<'tcx>, def_id: LocalDefId, ) { - if unsafety == hir::Unsafety::Normal && cx.effective_visibilities.is_exported(def_id) { + if safety == hir::Safety::Safe && cx.effective_visibilities.is_exported(def_id) { let raw_ptrs = iter_input_pats(decl, body) .filter_map(|arg| raw_ptr_arg(cx, arg)) .collect::(); @@ -58,7 +58,7 @@ fn check_raw_ptr<'tcx>( }, hir::ExprKind::MethodCall(_, recv, args, _) => { let def_id = typeck.type_dependent_def_id(e.hir_id).unwrap(); - if cx.tcx.fn_sig(def_id).skip_binder().skip_binder().unsafety == hir::Unsafety::Unsafe { + if cx.tcx.fn_sig(def_id).skip_binder().skip_binder().safety == hir::Safety::Unsafe { check_arg(cx, &raw_ptrs, recv); for arg in args { check_arg(cx, &raw_ptrs, arg); diff --git a/clippy_lints/src/inherent_to_string.rs b/clippy_lints/src/inherent_to_string.rs index 157f61059847..9aedf5ec7e85 100644 --- a/clippy_lints/src/inherent_to_string.rs +++ b/clippy_lints/src/inherent_to_string.rs @@ -1,7 +1,7 @@ use clippy_utils::diagnostics::span_lint_and_help; use clippy_utils::ty::{implements_trait, is_type_lang_item}; use clippy_utils::{return_ty, trait_ref_of_method}; -use rustc_hir::{GenericParamKind, ImplItem, ImplItemKind, LangItem, Unsafety}; +use rustc_hir::{GenericParamKind, ImplItem, ImplItemKind, LangItem, Safety}; use rustc_lint::{LateContext, LateLintPass}; use rustc_session::declare_lint_pass; use rustc_span::sym; @@ -99,7 +99,7 @@ impl<'tcx> LateLintPass<'tcx> for InherentToString { if let ImplItemKind::Fn(ref signature, _) = impl_item.kind // #11201 && let header = signature.header - && header.unsafety == Unsafety::Normal + && header.safety == Safety::Safe && header.abi == Abi::Rust && impl_item.ident.name == sym::to_string && let decl = signature.decl diff --git a/clippy_lints/src/methods/mod.rs b/clippy_lints/src/methods/mod.rs index 63545d6c5035..2b92bff016db 100644 --- a/clippy_lints/src/methods/mod.rs +++ b/clippy_lints/src/methods/mod.rs @@ -5038,7 +5038,7 @@ fn lint_binary_expr_with_method_call(cx: &LateContext<'_>, info: &mut BinaryExpr } const FN_HEADER: hir::FnHeader = hir::FnHeader { - unsafety: hir::Unsafety::Normal, + safety: hir::Safety::Safe, constness: hir::Constness::NotConst, asyncness: hir::IsAsync::NotAsync, abi: rustc_target::spec::abi::Abi::Rust, @@ -5214,7 +5214,5 @@ impl OutType { } fn fn_header_equals(expected: hir::FnHeader, actual: hir::FnHeader) -> bool { - expected.constness == actual.constness - && expected.unsafety == actual.unsafety - && expected.asyncness == actual.asyncness + expected.constness == actual.constness && expected.safety == actual.safety && expected.asyncness == actual.asyncness } diff --git a/clippy_lints/src/multiple_unsafe_ops_per_block.rs b/clippy_lints/src/multiple_unsafe_ops_per_block.rs index 0e1380667805..5306205aed7e 100644 --- a/clippy_lints/src/multiple_unsafe_ops_per_block.rs +++ b/clippy_lints/src/multiple_unsafe_ops_per_block.rs @@ -2,7 +2,7 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::visitors::{for_each_expr_with_closures, Descend, Visitable}; use core::ops::ControlFlow::Continue; use hir::def::{DefKind, Res}; -use hir::{BlockCheckMode, ExprKind, QPath, UnOp, Unsafety}; +use hir::{BlockCheckMode, ExprKind, Safety, QPath, UnOp}; use rustc_ast::Mutability; use rustc_hir as hir; use rustc_lint::{LateContext, LateLintPass}; @@ -133,7 +133,7 @@ fn collect_unsafe_exprs<'tcx>( ty::FnPtr(sig) => sig, _ => return Continue(Descend::Yes), }; - if sig.unsafety() == Unsafety::Unsafe { + if sig.safety() == Safety::Unsafe { unsafe_ops.push(("unsafe function call occurs here", expr.span)); } }, @@ -144,7 +144,7 @@ fn collect_unsafe_exprs<'tcx>( .type_dependent_def_id(expr.hir_id) .map(|def_id| cx.tcx.fn_sig(def_id)) { - if sig.skip_binder().unsafety() == Unsafety::Unsafe { + if sig.skip_binder().safety() == Safety::Unsafe { unsafe_ops.push(("unsafe method call occurs here", expr.span)); } } diff --git a/clippy_lints/src/new_without_default.rs b/clippy_lints/src/new_without_default.rs index 78dd1e051627..b60fea3f03e0 100644 --- a/clippy_lints/src/new_without_default.rs +++ b/clippy_lints/src/new_without_default.rs @@ -75,7 +75,7 @@ impl<'tcx> LateLintPass<'tcx> for NewWithoutDefault { if let hir::ImplItemKind::Fn(ref sig, _) = impl_item.kind { let name = impl_item.ident.name; let id = impl_item.owner_id; - if sig.header.unsafety == hir::Unsafety::Unsafe { + if sig.header.safety == hir::Safety::Unsafe { // can't be implemented for unsafe new return; } diff --git a/clippy_lints/src/ptr.rs b/clippy_lints/src/ptr.rs index 2534e3c8468c..65929cd5fea9 100644 --- a/clippy_lints/src/ptr.rs +++ b/clippy_lints/src/ptr.rs @@ -12,7 +12,7 @@ use rustc_hir::hir_id::{HirId, HirIdMap}; use rustc_hir::intravisit::{walk_expr, Visitor}; use rustc_hir::{ self as hir, AnonConst, BinOpKind, BindingMode, Body, Expr, ExprKind, FnRetTy, FnSig, GenericArg, ImplItemKind, - ItemKind, Lifetime, Mutability, Node, Param, PatKind, QPath, TraitFn, TraitItem, TraitItemKind, TyKind, Unsafety, + ItemKind, Lifetime, Mutability, Node, Param, PatKind, QPath, Safety, TraitFn, TraitItem, TraitItemKind, TyKind, }; use rustc_infer::infer::TyCtxtInferExt; use rustc_infer::traits::{Obligation, ObligationCause}; @@ -542,7 +542,7 @@ fn check_mut_from_ref<'tcx>(cx: &LateContext<'tcx>, sig: &FnSig<'_>, body: Optio if let Some(args) = args && !args.is_empty() && body.map_or(true, |body| { - sig.header.unsafety == Unsafety::Unsafe || contains_unsafe_block(cx, body.value) + sig.header.safety == Safety::Unsafe || contains_unsafe_block(cx, body.value) }) { span_lint_and_then( diff --git a/clippy_lints/src/undocumented_unsafe_blocks.rs b/clippy_lints/src/undocumented_unsafe_blocks.rs index cbd161800770..4120bb1331bd 100644 --- a/clippy_lints/src/undocumented_unsafe_blocks.rs +++ b/clippy_lints/src/undocumented_unsafe_blocks.rs @@ -200,7 +200,7 @@ impl<'tcx> LateLintPass<'tcx> for UndocumentedUnsafeBlocks { let item_has_safety_comment = item_has_safety_comment(cx, item); match (&item.kind, item_has_safety_comment) { // lint unsafe impl without safety comment - (ItemKind::Impl(impl_), HasSafetyComment::No) if impl_.unsafety == hir::Unsafety::Unsafe => { + (ItemKind::Impl(impl_), HasSafetyComment::No) if impl_.safety == hir::Safety::Unsafe => { if !is_lint_allowed(cx, UNDOCUMENTED_UNSAFE_BLOCKS, item.hir_id()) && !is_unsafe_from_proc_macro(cx, item.span) { @@ -222,7 +222,7 @@ impl<'tcx> LateLintPass<'tcx> for UndocumentedUnsafeBlocks { } }, // lint safe impl with unnecessary safety comment - (ItemKind::Impl(impl_), HasSafetyComment::Yes(pos)) if impl_.unsafety == hir::Unsafety::Normal => { + (ItemKind::Impl(impl_), HasSafetyComment::Yes(pos)) if impl_.safety == hir::Safety::Safe => { if !is_lint_allowed(cx, UNNECESSARY_SAFETY_COMMENT, item.hir_id()) { let (span, help_span) = mk_spans(pos); diff --git a/clippy_utils/src/ast_utils.rs b/clippy_utils/src/ast_utils.rs index d3bbc66bcaea..d4a5f547211a 100644 --- a/clippy_utils/src/ast_utils.rs +++ b/clippy_utils/src/ast_utils.rs @@ -386,21 +386,21 @@ pub fn eq_item_kind(l: &ItemKind, r: &ItemKind) -> bool { ( Trait(box ast::Trait { is_auto: la, - unsafety: lu, + safety: lu, generics: lg, bounds: lb, items: li, }), Trait(box ast::Trait { is_auto: ra, - unsafety: ru, + safety: ru, generics: rg, bounds: rb, items: ri, }), ) => { la == ra - && matches!(lu, Unsafe::No) == matches!(ru, Unsafe::No) + && matches!(lu, Safety::Default) == matches!(ru, Safety::Default) && eq_generics(lg, rg) && over(lb, rb, eq_generic_bound) && over(li, ri, |l, r| eq_item(l, r, eq_assoc_item_kind)) @@ -408,7 +408,7 @@ pub fn eq_item_kind(l: &ItemKind, r: &ItemKind) -> bool { (TraitAlias(lg, lb), TraitAlias(rg, rb)) => eq_generics(lg, rg) && over(lb, rb, eq_generic_bound), ( Impl(box ast::Impl { - unsafety: lu, + safety: lu, polarity: lp, defaultness: ld, constness: lc, @@ -418,7 +418,7 @@ pub fn eq_item_kind(l: &ItemKind, r: &ItemKind) -> bool { items: li, }), Impl(box ast::Impl { - unsafety: ru, + safety: ru, polarity: rp, defaultness: rd, constness: rc, @@ -428,7 +428,7 @@ pub fn eq_item_kind(l: &ItemKind, r: &ItemKind) -> bool { items: ri, }), ) => { - matches!(lu, Unsafe::No) == matches!(ru, Unsafe::No) + matches!(lu, Safety::Default) == matches!(ru, Safety::Default) && matches!(lp, ImplPolarity::Positive) == matches!(rp, ImplPolarity::Positive) && eq_defaultness(*ld, *rd) && matches!(lc, ast::Const::No) == matches!(rc, ast::Const::No) @@ -605,7 +605,7 @@ fn eq_opt_coroutine_kind(l: Option, r: Option) -> } pub fn eq_fn_header(l: &FnHeader, r: &FnHeader) -> bool { - matches!(l.unsafety, Unsafe::No) == matches!(r.unsafety, Unsafe::No) + matches!(l.safety, Safety::Default) == matches!(r.safety, Safety::Default) && eq_opt_coroutine_kind(l.coroutine_kind, r.coroutine_kind) && matches!(l.constness, Const::No) == matches!(r.constness, Const::No) && eq_ext(&l.ext, &r.ext) @@ -712,7 +712,7 @@ pub fn eq_ty(l: &Ty, r: &Ty) -> bool { both(ll, rl, |l, r| eq_id(l.ident, r.ident)) && l.mutbl == r.mutbl && eq_ty(&l.ty, &r.ty) }, (BareFn(l), BareFn(r)) => { - l.unsafety == r.unsafety + l.safety == r.safety && eq_ext(&l.ext, &r.ext) && over(&l.generic_params, &r.generic_params, eq_generic_param) && eq_fn_decl(&l.decl, &r.decl) diff --git a/clippy_utils/src/check_proc_macro.rs b/clippy_utils/src/check_proc_macro.rs index 422673105136..553e89999750 100644 --- a/clippy_utils/src/check_proc_macro.rs +++ b/clippy_utils/src/check_proc_macro.rs @@ -18,8 +18,8 @@ use rustc_ast::AttrStyle; use rustc_hir::intravisit::FnKind; use rustc_hir::{ Block, BlockCheckMode, Body, Closure, Destination, Expr, ExprKind, FieldDef, FnHeader, FnRetTy, HirId, Impl, - ImplItem, ImplItemKind, IsAuto, Item, ItemKind, LoopSource, MatchSource, MutTy, Node, QPath, TraitItem, - TraitItemKind, Ty, TyKind, UnOp, UnsafeSource, Unsafety, Variant, VariantData, YieldSource, + ImplItem, ImplItemKind, IsAuto, Item, ItemKind, LoopSource, MatchSource, MutTy, Node, QPath, Safety, TraitItem, + TraitItemKind, Ty, TyKind, UnOp, UnsafeSource, Variant, VariantData, YieldSource, }; use rustc_lint::{LateContext, LintContext}; use rustc_middle::ty::TyCtxt; @@ -207,10 +207,9 @@ fn item_search_pat(item: &Item<'_>) -> (Pat, Pat) { ItemKind::Struct(VariantData::Struct { .. }, _) => (Pat::Str("struct"), Pat::Str("}")), ItemKind::Struct(..) => (Pat::Str("struct"), Pat::Str(";")), ItemKind::Union(..) => (Pat::Str("union"), Pat::Str("}")), - ItemKind::Trait(_, Unsafety::Unsafe, ..) + ItemKind::Trait(_, Safety::Unsafe, ..) | ItemKind::Impl(Impl { - unsafety: Unsafety::Unsafe, - .. + safety: Safety::Unsafe, .. }) => (Pat::Str("unsafe"), Pat::Str("}")), ItemKind::Trait(IsAuto::Yes, ..) => (Pat::Str("auto"), Pat::Str("}")), ItemKind::Trait(..) => (Pat::Str("trait"), Pat::Str("}")), @@ -323,7 +322,7 @@ fn ty_search_pat(ty: &Ty<'_>) -> (Pat, Pat) { TyKind::Ptr(MutTy { ty, .. }) => (Pat::Str("*"), ty_search_pat(ty).1), TyKind::Ref(_, MutTy { ty, .. }) => (Pat::Str("&"), ty_search_pat(ty).1), TyKind::BareFn(bare_fn) => ( - if bare_fn.unsafety == Unsafety::Unsafe { + if bare_fn.safety == Safety::Unsafe { Pat::Str("unsafe") } else if bare_fn.abi != Abi::Rust { Pat::Str("extern") diff --git a/clippy_utils/src/hir_utils.rs b/clippy_utils/src/hir_utils.rs index c921168df290..9f285621e0c9 100644 --- a/clippy_utils/src/hir_utils.rs +++ b/clippy_utils/src/hir_utils.rs @@ -1082,7 +1082,7 @@ impl<'a, 'tcx> SpanlessHash<'a, 'tcx> { mut_ty.mutbl.hash(&mut self.s); }, TyKind::BareFn(bfn) => { - bfn.unsafety.hash(&mut self.s); + bfn.safety.hash(&mut self.s); bfn.abi.hash(&mut self.s); for arg in bfn.decl.inputs { self.hash_ty(arg); diff --git a/clippy_utils/src/ty.rs b/clippy_utils/src/ty.rs index e3ab42c3107c..4f71453d8db8 100644 --- a/clippy_utils/src/ty.rs +++ b/clippy_utils/src/ty.rs @@ -9,7 +9,7 @@ use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_hir as hir; use rustc_hir::def::{CtorKind, CtorOf, DefKind, Res}; use rustc_hir::def_id::DefId; -use rustc_hir::{Expr, FnDecl, LangItem, TyKind, Unsafety}; +use rustc_hir::{Expr, FnDecl, Safety, LangItem, TyKind}; use rustc_infer::infer::TyCtxtInferExt; use rustc_lint::LateContext; use rustc_middle::mir::interpret::Scalar; @@ -562,7 +562,7 @@ pub fn peel_mid_ty_refs_is_mutable(ty: Ty<'_>) -> (Ty<'_>, usize, Mutability) { /// Returns `true` if the given type is an `unsafe` function. pub fn type_is_unsafe_function<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool { match ty.kind() { - ty::FnDef(..) | ty::FnPtr(_) => ty.fn_sig(cx.tcx).unsafety() == Unsafety::Unsafe, + ty::FnDef(..) | ty::FnPtr(_) => ty.fn_sig(cx.tcx).safety() == Safety::Unsafe, _ => false, } } diff --git a/clippy_utils/src/visitors.rs b/clippy_utils/src/visitors.rs index a3f3b32ed372..90b56297bb55 100644 --- a/clippy_utils/src/visitors.rs +++ b/clippy_utils/src/visitors.rs @@ -6,7 +6,7 @@ use rustc_hir::def::{CtorKind, DefKind, Res}; use rustc_hir::intravisit::{self, walk_block, walk_expr, Visitor}; use rustc_hir::{ AnonConst, Arm, Block, BlockCheckMode, Body, BodyId, Expr, ExprKind, HirId, ItemId, ItemKind, LetExpr, Pat, QPath, - Stmt, UnOp, UnsafeSource, Unsafety, + Safety, Stmt, UnOp, UnsafeSource, }; use rustc_lint::LateContext; use rustc_middle::hir::nested_filter; @@ -421,16 +421,16 @@ pub fn is_expr_unsafe<'tcx>(cx: &LateContext<'tcx>, e: &'tcx Expr<'_>) -> bool { .typeck_results() .type_dependent_def_id(e.hir_id) .map_or(false, |id| { - self.cx.tcx.fn_sig(id).skip_binder().unsafety() == Unsafety::Unsafe + self.cx.tcx.fn_sig(id).skip_binder().safety() == Safety::Unsafe }) => { self.is_unsafe = true; }, ExprKind::Call(func, _) => match *self.cx.typeck_results().expr_ty(func).peel_refs().kind() { - ty::FnDef(id, _) if self.cx.tcx.fn_sig(id).skip_binder().unsafety() == Unsafety::Unsafe => { + ty::FnDef(id, _) if self.cx.tcx.fn_sig(id).skip_binder().safety() == Safety::Unsafe => { self.is_unsafe = true; }, - ty::FnPtr(sig) if sig.unsafety() == Unsafety::Unsafe => self.is_unsafe = true, + ty::FnPtr(sig) if sig.safety() == Safety::Unsafe => self.is_unsafe = true, _ => walk_expr(self, e), }, ExprKind::Path(ref p) @@ -452,7 +452,7 @@ pub fn is_expr_unsafe<'tcx>(cx: &LateContext<'tcx>, e: &'tcx Expr<'_>) -> bool { } fn visit_nested_item(&mut self, id: ItemId) { if let ItemKind::Impl(i) = &self.cx.tcx.hir().item(id).kind { - self.is_unsafe = i.unsafety == Unsafety::Unsafe; + self.is_unsafe = i.safety == Safety::Unsafe; } } } From 956e5c18b9589d6f2e9445f28ff407f9f99efcb7 Mon Sep 17 00:00:00 2001 From: Waffle Lapkin Date: Sat, 18 May 2024 00:00:12 +0200 Subject: [PATCH 0197/1716] Move `lint_never_type_fallback_flowing_into_unsafe_code` into a separate fn --- compiler/rustc_hir_typeck/src/fallback.rs | 75 ++++++++++++----------- 1 file changed, 40 insertions(+), 35 deletions(-) diff --git a/compiler/rustc_hir_typeck/src/fallback.rs b/compiler/rustc_hir_typeck/src/fallback.rs index c79b6be65606..8adc72e6d9d5 100644 --- a/compiler/rustc_hir_typeck/src/fallback.rs +++ b/compiler/rustc_hir_typeck/src/fallback.rs @@ -364,41 +364,11 @@ impl<'tcx> FnCtxt<'_, 'tcx> { }; let mut fallback_to = |ty| { - let unsafe_infer_vars = unsafe_infer_vars.get_or_init(|| { - let unsafe_infer_vars = compute_unsafe_infer_vars(self.root_ctxt, self.body_id); - debug!(?unsafe_infer_vars); - unsafe_infer_vars - }); - - let affected_unsafe_infer_vars = - graph::depth_first_search_as_undirected(&coercion_graph, root_vid) - .filter_map(|x| unsafe_infer_vars.get(&x).copied()) - .collect::>(); - - for (hir_id, span, reason) in affected_unsafe_infer_vars { - self.tcx.emit_node_span_lint( - lint::builtin::NEVER_TYPE_FALLBACK_FLOWING_INTO_UNSAFE, - hir_id, - span, - match reason { - UnsafeUseReason::Call => { - errors::NeverTypeFallbackFlowingIntoUnsafe::Call - } - UnsafeUseReason::Method => { - errors::NeverTypeFallbackFlowingIntoUnsafe::Method - } - UnsafeUseReason::Path => { - errors::NeverTypeFallbackFlowingIntoUnsafe::Path - } - UnsafeUseReason::UnionField => { - errors::NeverTypeFallbackFlowingIntoUnsafe::UnionField - } - UnsafeUseReason::Deref => { - errors::NeverTypeFallbackFlowingIntoUnsafe::Deref - } - }, - ); - } + self.lint_never_type_fallback_flowing_into_unsafe_code( + &unsafe_infer_vars, + &coercion_graph, + root_vid, + ); diverging_fallback.insert(diverging_ty, ty); }; @@ -464,6 +434,41 @@ impl<'tcx> FnCtxt<'_, 'tcx> { diverging_fallback } + fn lint_never_type_fallback_flowing_into_unsafe_code( + &self, + unsafe_infer_vars: &OnceCell>, + coercion_graph: &VecGraph, + root_vid: ty::TyVid, + ) { + let unsafe_infer_vars = unsafe_infer_vars.get_or_init(|| { + let unsafe_infer_vars = compute_unsafe_infer_vars(self.root_ctxt, self.body_id); + debug!(?unsafe_infer_vars); + unsafe_infer_vars + }); + + let affected_unsafe_infer_vars = + graph::depth_first_search_as_undirected(&coercion_graph, root_vid) + .filter_map(|x| unsafe_infer_vars.get(&x).copied()) + .collect::>(); + + for (hir_id, span, reason) in affected_unsafe_infer_vars { + self.tcx.emit_node_span_lint( + lint::builtin::NEVER_TYPE_FALLBACK_FLOWING_INTO_UNSAFE, + hir_id, + span, + match reason { + UnsafeUseReason::Call => errors::NeverTypeFallbackFlowingIntoUnsafe::Call, + UnsafeUseReason::Method => errors::NeverTypeFallbackFlowingIntoUnsafe::Method, + UnsafeUseReason::Path => errors::NeverTypeFallbackFlowingIntoUnsafe::Path, + UnsafeUseReason::UnionField => { + errors::NeverTypeFallbackFlowingIntoUnsafe::UnionField + } + UnsafeUseReason::Deref => errors::NeverTypeFallbackFlowingIntoUnsafe::Deref, + }, + ); + } + } + /// Returns a graph whose nodes are (unresolved) inference variables and where /// an edge `?A -> ?B` indicates that the variable `?A` is coerced to `?B`. fn create_coercion_graph(&self) -> VecGraph { From 83acddc766a3659a17b414bbb76d5287d5fb739d Mon Sep 17 00:00:00 2001 From: Waffle Lapkin Date: Sat, 18 May 2024 00:08:11 +0200 Subject: [PATCH 0198/1716] Remove fixme (libs team decided not to add `absurd` to std) --- compiler/rustc_lint_defs/src/builtin.rs | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs index 536945457724..b195db9a5f51 100644 --- a/compiler/rustc_lint_defs/src/builtin.rs +++ b/compiler/rustc_lint_defs/src/builtin.rs @@ -4263,8 +4263,7 @@ declare_lint! { /// /// // where absurd is a function with the following signature /// // (it's sound, because `!` always marks unreachable code): - /// fn absurd(_: !) -> T { ... } - // FIXME: use `core::convert::absurd` here instead, once it's merged + /// fn absurd(never: !) -> T { ... } /// ``` /// /// While it's convenient to be able to use non-diverging code in one of the branches (like From a02db8660c3e7a61d31eee7f9c4a42f3814bfa0f Mon Sep 17 00:00:00 2001 From: Waffle Lapkin Date: Sat, 18 May 2024 00:08:52 +0200 Subject: [PATCH 0199/1716] Make `NEVER_TYPE_FALLBACK_FLOWING_INTO_UNSAFE` into an FCW and report it ext macros --- compiler/rustc_lint_defs/src/builtin.rs | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs index b195db9a5f51..3b8bec887ea0 100644 --- a/compiler/rustc_lint_defs/src/builtin.rs +++ b/compiler/rustc_lint_defs/src/builtin.rs @@ -4320,7 +4320,12 @@ declare_lint! { /// [`()`]: https://doc.rust-lang.org/core/primitive.unit.html pub NEVER_TYPE_FALLBACK_FLOWING_INTO_UNSAFE, Warn, - "never type fallback affecting unsafe function calls" + "never type fallback affecting unsafe function calls", + @future_incompatible = FutureIncompatibleInfo { + reason: FutureIncompatibilityReason::FutureReleaseSemanticsChange, + reference: "issue #123748 ", + }; + report_in_external_macro } declare_lint! { From 74012d52009ee35b55c6a25b1fddc72503f4f6be Mon Sep 17 00:00:00 2001 From: Mads Marquart Date: Tue, 30 Apr 2024 16:33:19 +0200 Subject: [PATCH 0200/1716] Update libc to 0.2.155 --- Cargo.lock | 4 ++-- library/std/Cargo.toml | 5 ++--- src/bootstrap/Cargo.lock | 4 ++-- 3 files changed, 6 insertions(+), 7 deletions(-) diff --git a/Cargo.lock b/Cargo.lock index df4e4f326135..4a9a576265ce 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -2190,9 +2190,9 @@ checksum = "db13adb97ab515a3691f56e4dbab09283d0b86cb45abd991d8634a9d6f501760" [[package]] name = "libc" -version = "0.2.153" +version = "0.2.155" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "9c198f91728a82281a64e1f4f9eeb25d82cb32a5de251c6bd1b5154d63a8e7bd" +checksum = "97b3888a4aecf77e811145cadf6eef5901f4782c53886191b2f693f24761847c" dependencies = [ "rustc-std-workspace-core", ] diff --git a/library/std/Cargo.toml b/library/std/Cargo.toml index 1720fe84fa7c..52729ba1f845 100644 --- a/library/std/Cargo.toml +++ b/library/std/Cargo.toml @@ -31,11 +31,10 @@ miniz_oxide = { version = "0.7.0", optional = true, default-features = false } addr2line = { version = "0.21.0", optional = true, default-features = false } [target.'cfg(not(all(windows, target_env = "msvc")))'.dependencies] -libc = { version = "=0.2.153", default-features = false, features = ['rustc-dep-of-std'], public = true } +libc = { version = "0.2.153", default-features = false, features = ['rustc-dep-of-std'], public = true } -# Pin libc (pending https://github.com/rust-lang/rust/pull/124560) [target.'cfg(all(windows, target_env = "msvc"))'.dependencies] -libc = { version = "=0.2.153", default-features = false } +libc = { version = "0.2.153", default-features = false } [target.'cfg(all(not(target_os = "aix"), not(all(windows, target_env = "msvc", not(target_vendor = "uwp")))))'.dependencies] object = { version = "0.32.0", default-features = false, optional = true, features = ['read_core', 'elf', 'macho', 'pe', 'unaligned', 'archive'] } diff --git a/src/bootstrap/Cargo.lock b/src/bootstrap/Cargo.lock index 4a5d768961ff..127699b86411 100644 --- a/src/bootstrap/Cargo.lock +++ b/src/bootstrap/Cargo.lock @@ -341,9 +341,9 @@ dependencies = [ [[package]] name = "libc" -version = "0.2.151" +version = "0.2.155" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "302d7ab3130588088d277783b1e2d2e10c9e9e4a16dd9050e6ec93fb3e7048f4" +checksum = "97b3888a4aecf77e811145cadf6eef5901f4782c53886191b2f693f24761847c" [[package]] name = "linux-raw-sys" From 1e1143c49185af1a2b3f0daa4dd3332106f51b88 Mon Sep 17 00:00:00 2001 From: David Koloski Date: Fri, 17 May 2024 23:29:25 +0000 Subject: [PATCH 0201/1716] Add source for mutually-exclusive list --- compiler/rustc_target/src/spec/mod.rs | 2 ++ 1 file changed, 2 insertions(+) diff --git a/compiler/rustc_target/src/spec/mod.rs b/compiler/rustc_target/src/spec/mod.rs index 73c7e9d4aa43..993477ffb24e 100644 --- a/compiler/rustc_target/src/spec/mod.rs +++ b/compiler/rustc_target/src/spec/mod.rs @@ -1316,6 +1316,8 @@ bitflags::bitflags! { rustc_data_structures::external_bitflags_debug! { SanitizerSet } impl SanitizerSet { + // Taken from LLVM's sanitizer compatibility logic: + // https://github.com/llvm/llvm-project/blob/release/18.x/clang/lib/Driver/SanitizerArgs.cpp#L512 const MUTUALLY_EXCLUSIVE: &'static [(SanitizerSet, SanitizerSet)] = &[ (SanitizerSet::ADDRESS, SanitizerSet::MEMORY), (SanitizerSet::ADDRESS, SanitizerSet::THREAD), From c2d2df182aae08fd9022e5e8977f63f69aa485a0 Mon Sep 17 00:00:00 2001 From: CensoredUsername Date: Fri, 26 Apr 2024 02:23:14 +0200 Subject: [PATCH 0202/1716] Add a warning to Delimiter::None that rustc currently does not respect it. It does not provide the behaviour it is indicated to provide when used in a proc_macro context. --- library/proc_macro/src/lib.rs | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/library/proc_macro/src/lib.rs b/library/proc_macro/src/lib.rs index 1ceff2e506cc..50611fda9a34 100644 --- a/library/proc_macro/src/lib.rs +++ b/library/proc_macro/src/lib.rs @@ -815,6 +815,18 @@ pub enum Delimiter { /// "macro variable" `$var`. It is important to preserve operator priorities in cases like /// `$var * 3` where `$var` is `1 + 2`. /// Invisible delimiters might not survive roundtrip of a token stream through a string. + /// + ///

+ /// + /// Note: rustc currently can ignore the grouping of tokens delimited by `None` in the output + /// of a proc_macro. Only `None`-delimited groups created by a macro_rules macro in the input + /// of a proc_macro macro are preserved, and only in very specific circumstances. + /// Any `None`-delimited groups (re)created by a proc_macro will therefore not preserve + /// operator priorities as indicated above. The other `Delimiter` variants should be used + /// instead in this context. This is a rustc bug. For details, see + /// [rust-lang/rust#67062](https://github.com/rust-lang/rust/issues/67062). + /// + ///
#[stable(feature = "proc_macro_lib2", since = "1.29.0")] None, } From 95c0e5c6a86ca467b0fb7043bd56dee82418ac5f Mon Sep 17 00:00:00 2001 From: Scott McMurray Date: Thu, 16 May 2024 02:07:31 -0700 Subject: [PATCH 0203/1716] Remove `Rvalue::CheckedBinaryOp` --- compiler/rustc_borrowck/src/lib.rs | 3 +- .../src/polonius/loan_invalidations.rs | 3 +- compiler/rustc_borrowck/src/type_check/mod.rs | 4 +- compiler/rustc_codegen_cranelift/src/base.rs | 13 +++--- .../src/codegen_i128.rs | 2 + compiler/rustc_codegen_cranelift/src/num.rs | 3 ++ compiler/rustc_codegen_ssa/src/mir/rvalue.rs | 36 +++++++++------- .../rustc_const_eval/src/interpret/step.rs | 14 +++---- .../src/transform/check_consts/check.rs | 2 +- .../src/transform/check_consts/qualifs.rs | 2 +- .../src/transform/check_consts/resolver.rs | 1 - .../src/transform/validate.rs | 29 +------------ compiler/rustc_const_eval/src/util/mod.rs | 9 ++-- compiler/rustc_middle/src/mir/pretty.rs | 3 -- compiler/rustc_middle/src/mir/statement.rs | 1 - compiler/rustc_middle/src/mir/syntax.rs | 19 +++++---- compiler/rustc_middle/src/mir/tcx.rs | 34 ++++++++++++--- compiler/rustc_middle/src/mir/visit.rs | 3 +- .../src/build/custom/parse/instruction.rs | 12 ++++-- .../src/build/expr/as_rvalue.rs | 4 +- .../src/impls/borrowed_locals.rs | 1 - .../src/move_paths/builder.rs | 3 +- .../rustc_mir_dataflow/src/value_analysis.rs | 1 - .../src/dataflow_const_prop.rs | 6 ++- compiler/rustc_mir_transform/src/dest_prop.rs | 2 +- compiler/rustc_mir_transform/src/gvn.rs | 27 +++++------- .../src/known_panics_lint.rs | 42 +++++++------------ .../src/lower_intrinsics.rs | 8 ++-- .../rustc_mir_transform/src/promote_consts.rs | 5 ++- .../rustc_smir/src/rustc_smir/convert/mir.rs | 29 ++++++++----- compiler/rustc_ty_utils/src/consts.rs | 6 +-- .../custom/operators.f.built.after.mir | 2 +- .../checked_add.main.GVN.panic-abort.diff | 2 +- .../checked_add.main.GVN.panic-unwind.diff | 2 +- .../indirect.main.GVN.panic-abort.diff | 2 +- .../indirect.main.GVN.panic-unwind.diff | 2 +- ...inherit_overflow.main.GVN.panic-abort.diff | 2 +- ...nherit_overflow.main.GVN.panic-unwind.diff | 2 +- .../return_place.add.GVN.panic-abort.diff | 2 +- .../return_place.add.GVN.panic-unwind.diff | 2 +- ...ed.main.DataflowConstProp.panic-abort.diff | 4 +- ...d.main.DataflowConstProp.panic-unwind.diff | 4 +- ...ow.main.DataflowConstProp.panic-abort.diff | 2 +- ...w.main.DataflowConstProp.panic-unwind.diff | 2 +- ...vn.arithmetic_checked.GVN.panic-abort.diff | 12 +++--- ...n.arithmetic_checked.GVN.panic-unwind.diff | 12 +++--- ...nt#0}.SimplifyCfg-promote-consts.after.mir | 2 +- tests/mir-opt/lower_intrinsics.rs | 6 +-- ..._overflow.LowerIntrinsics.panic-abort.diff | 6 +-- ...overflow.LowerIntrinsics.panic-unwind.diff | 6 +-- ...o_variable.main.GVN.32bit.panic-abort.diff | 2 +- ..._variable.main.GVN.32bit.panic-unwind.diff | 2 +- ...o_variable.main.GVN.64bit.panic-abort.diff | 2 +- ..._variable.main.GVN.64bit.panic-unwind.diff | 2 +- ...acementOfAggregates.32bit.panic-abort.diff | 2 +- ...cementOfAggregates.32bit.panic-unwind.diff | 2 +- ...acementOfAggregates.64bit.panic-abort.diff | 2 +- ...cementOfAggregates.64bit.panic-unwind.diff | 2 +- tests/run-make/const_fn_mir/dump.mir | 4 +- 59 files changed, 209 insertions(+), 212 deletions(-) diff --git a/compiler/rustc_borrowck/src/lib.rs b/compiler/rustc_borrowck/src/lib.rs index abe57e26af46..1d5801467da8 100644 --- a/compiler/rustc_borrowck/src/lib.rs +++ b/compiler/rustc_borrowck/src/lib.rs @@ -1312,8 +1312,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { ); } - Rvalue::BinaryOp(_bin_op, box (operand1, operand2)) - | Rvalue::CheckedBinaryOp(_bin_op, box (operand1, operand2)) => { + Rvalue::BinaryOp(_bin_op, box (operand1, operand2)) => { self.consume_operand(location, (operand1, span), flow_state); self.consume_operand(location, (operand2, span), flow_state); } diff --git a/compiler/rustc_borrowck/src/polonius/loan_invalidations.rs b/compiler/rustc_borrowck/src/polonius/loan_invalidations.rs index a1e59977ede5..6979910a02d7 100644 --- a/compiler/rustc_borrowck/src/polonius/loan_invalidations.rs +++ b/compiler/rustc_borrowck/src/polonius/loan_invalidations.rs @@ -302,8 +302,7 @@ impl<'cx, 'tcx> LoanInvalidationsGenerator<'cx, 'tcx> { ); } - Rvalue::BinaryOp(_bin_op, box (operand1, operand2)) - | Rvalue::CheckedBinaryOp(_bin_op, box (operand1, operand2)) => { + Rvalue::BinaryOp(_bin_op, box (operand1, operand2)) => { self.consume_operand(location, operand1); self.consume_operand(location, operand2); } diff --git a/compiler/rustc_borrowck/src/type_check/mod.rs b/compiler/rustc_borrowck/src/type_check/mod.rs index 2740e9689c51..0890d3cf4563 100644 --- a/compiler/rustc_borrowck/src/type_check/mod.rs +++ b/compiler/rustc_borrowck/src/type_check/mod.rs @@ -2417,8 +2417,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { self.check_operand(op, location); } - Rvalue::BinaryOp(_, box (left, right)) - | Rvalue::CheckedBinaryOp(_, box (left, right)) => { + Rvalue::BinaryOp(_, box (left, right)) => { self.check_operand(left, location); self.check_operand(right, location); } @@ -2445,7 +2444,6 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { | Rvalue::Cast(..) | Rvalue::ShallowInitBox(..) | Rvalue::BinaryOp(..) - | Rvalue::CheckedBinaryOp(..) | Rvalue::NullaryOp(..) | Rvalue::CopyForDeref(..) | Rvalue::UnaryOp(..) diff --git a/compiler/rustc_codegen_cranelift/src/base.rs b/compiler/rustc_codegen_cranelift/src/base.rs index 5846689643fd..8d778f736d67 100644 --- a/compiler/rustc_codegen_cranelift/src/base.rs +++ b/compiler/rustc_codegen_cranelift/src/base.rs @@ -609,14 +609,11 @@ fn codegen_stmt<'tcx>( let lhs = codegen_operand(fx, &lhs_rhs.0); let rhs = codegen_operand(fx, &lhs_rhs.1); - let res = crate::num::codegen_binop(fx, bin_op, lhs, rhs); - lval.write_cvalue(fx, res); - } - Rvalue::CheckedBinaryOp(bin_op, ref lhs_rhs) => { - let lhs = codegen_operand(fx, &lhs_rhs.0); - let rhs = codegen_operand(fx, &lhs_rhs.1); - - let res = crate::num::codegen_checked_int_binop(fx, bin_op, lhs, rhs); + let res = if let Some(bin_op) = bin_op.overflowing_to_wrapping() { + crate::num::codegen_checked_int_binop(fx, bin_op, lhs, rhs) + } else { + crate::num::codegen_binop(fx, bin_op, lhs, rhs) + }; lval.write_cvalue(fx, res); } Rvalue::UnaryOp(un_op, ref operand) => { diff --git a/compiler/rustc_codegen_cranelift/src/codegen_i128.rs b/compiler/rustc_codegen_cranelift/src/codegen_i128.rs index 4a5ef352151f..e16b77648d12 100644 --- a/compiler/rustc_codegen_cranelift/src/codegen_i128.rs +++ b/compiler/rustc_codegen_cranelift/src/codegen_i128.rs @@ -70,6 +70,7 @@ pub(crate) fn maybe_codegen<'tcx>( } BinOp::Lt | BinOp::Le | BinOp::Eq | BinOp::Ge | BinOp::Gt | BinOp::Ne | BinOp::Cmp => None, BinOp::Shl | BinOp::ShlUnchecked | BinOp::Shr | BinOp::ShrUnchecked => None, + BinOp::AddWithOverflow | BinOp::SubWithOverflow | BinOp::MulWithOverflow => unreachable!(), } } @@ -132,6 +133,7 @@ pub(crate) fn maybe_codegen_checked<'tcx>( Some(out_place.to_cvalue(fx)) } BinOp::AddUnchecked | BinOp::SubUnchecked | BinOp::MulUnchecked => unreachable!(), + BinOp::AddWithOverflow | BinOp::SubWithOverflow | BinOp::MulWithOverflow => unreachable!(), BinOp::Offset => unreachable!("offset should only be used on pointers, not 128bit ints"), BinOp::Div | BinOp::Rem => unreachable!(), BinOp::Cmp => unreachable!(), diff --git a/compiler/rustc_codegen_cranelift/src/num.rs b/compiler/rustc_codegen_cranelift/src/num.rs index 4d96a26ea4fa..fb18f45d7dca 100644 --- a/compiler/rustc_codegen_cranelift/src/num.rs +++ b/compiler/rustc_codegen_cranelift/src/num.rs @@ -179,6 +179,9 @@ pub(crate) fn codegen_int_binop<'tcx>( } } BinOp::Offset => unreachable!("Offset is not an integer operation"), + BinOp::AddWithOverflow | BinOp::SubWithOverflow | BinOp::MulWithOverflow => { + unreachable!("Overflow binops handled by `codegen_checked_int_binop`") + } // Compare binops handles by `codegen_binop`. BinOp::Eq | BinOp::Ne | BinOp::Lt | BinOp::Le | BinOp::Gt | BinOp::Ge | BinOp::Cmp => { unreachable!("{:?}({:?}, {:?})", bin_op, in_lhs.layout().ty, in_rhs.layout().ty); diff --git a/compiler/rustc_codegen_ssa/src/mir/rvalue.rs b/compiler/rustc_codegen_ssa/src/mir/rvalue.rs index 936ed41a294b..1d731988d33b 100644 --- a/compiler/rustc_codegen_ssa/src/mir/rvalue.rs +++ b/compiler/rustc_codegen_ssa/src/mir/rvalue.rs @@ -572,6 +572,22 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { } } + mir::Rvalue::BinaryOp(op_with_overflow, box (ref lhs, ref rhs)) + if let Some(op) = op_with_overflow.overflowing_to_wrapping() => + { + let lhs = self.codegen_operand(bx, lhs); + let rhs = self.codegen_operand(bx, rhs); + let result = self.codegen_scalar_checked_binop( + bx, + op, + lhs.immediate(), + rhs.immediate(), + lhs.layout.ty, + ); + let val_ty = op.ty(bx.tcx(), lhs.layout.ty, rhs.layout.ty); + let operand_ty = Ty::new_tup(bx.tcx(), &[val_ty, bx.tcx().types.bool]); + OperandRef { val: result, layout: bx.cx().layout_of(operand_ty) } + } mir::Rvalue::BinaryOp(op, box (ref lhs, ref rhs)) => { let lhs = self.codegen_operand(bx, lhs); let rhs = self.codegen_operand(bx, rhs); @@ -600,20 +616,6 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { layout: bx.cx().layout_of(op.ty(bx.tcx(), lhs.layout.ty, rhs.layout.ty)), } } - mir::Rvalue::CheckedBinaryOp(op, box (ref lhs, ref rhs)) => { - let lhs = self.codegen_operand(bx, lhs); - let rhs = self.codegen_operand(bx, rhs); - let result = self.codegen_scalar_checked_binop( - bx, - op, - lhs.immediate(), - rhs.immediate(), - lhs.layout.ty, - ); - let val_ty = op.ty(bx.tcx(), lhs.layout.ty, rhs.layout.ty); - let operand_ty = Ty::new_tup(bx.tcx(), &[val_ty, bx.tcx().types.bool]); - OperandRef { val: result, layout: bx.cx().layout_of(operand_ty) } - } mir::Rvalue::UnaryOp(op, ref operand) => { let operand = self.codegen_operand(bx, operand); @@ -924,6 +926,11 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { bx.select(is_lt, bx.cx().const_i8(Ordering::Less as i8), ge) } } + mir::BinOp::AddWithOverflow + | mir::BinOp::SubWithOverflow + | mir::BinOp::MulWithOverflow => { + bug!("{op:?} needs to return a pair, so call codegen_scalar_checked_binop instead") + } } } @@ -1036,7 +1043,6 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { mir::Rvalue::Cast(..) | // (*) mir::Rvalue::ShallowInitBox(..) | // (*) mir::Rvalue::BinaryOp(..) | - mir::Rvalue::CheckedBinaryOp(..) | mir::Rvalue::UnaryOp(..) | mir::Rvalue::Discriminant(..) | mir::Rvalue::NullaryOp(..) | diff --git a/compiler/rustc_const_eval/src/interpret/step.rs b/compiler/rustc_const_eval/src/interpret/step.rs index ee415c380de1..cb72d55a9ba1 100644 --- a/compiler/rustc_const_eval/src/interpret/step.rs +++ b/compiler/rustc_const_eval/src/interpret/step.rs @@ -167,15 +167,11 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { let left = self.read_immediate(&self.eval_operand(left, layout)?)?; let layout = util::binop_right_homogeneous(bin_op).then_some(left.layout); let right = self.read_immediate(&self.eval_operand(right, layout)?)?; - self.binop_ignore_overflow(bin_op, &left, &right, &dest)?; - } - - CheckedBinaryOp(bin_op, box (ref left, ref right)) => { - // Due to the extra boolean in the result, we can never reuse the `dest.layout`. - let left = self.read_immediate(&self.eval_operand(left, None)?)?; - let layout = util::binop_right_homogeneous(bin_op).then_some(left.layout); - let right = self.read_immediate(&self.eval_operand(right, layout)?)?; - self.binop_with_overflow(bin_op, &left, &right, &dest)?; + if let Some(bin_op) = bin_op.overflowing_to_wrapping() { + self.binop_with_overflow(bin_op, &left, &right, &dest)?; + } else { + self.binop_ignore_overflow(bin_op, &left, &right, &dest)?; + } } UnaryOp(un_op, ref operand) => { diff --git a/compiler/rustc_const_eval/src/transform/check_consts/check.rs b/compiler/rustc_const_eval/src/transform/check_consts/check.rs index 5edf5bb39dd4..c8c54143f618 100644 --- a/compiler/rustc_const_eval/src/transform/check_consts/check.rs +++ b/compiler/rustc_const_eval/src/transform/check_consts/check.rs @@ -580,7 +580,7 @@ impl<'tcx> Visitor<'tcx> for Checker<'_, 'tcx> { } } - Rvalue::BinaryOp(op, box (lhs, rhs)) | Rvalue::CheckedBinaryOp(op, box (lhs, rhs)) => { + Rvalue::BinaryOp(op, box (lhs, rhs)) => { let lhs_ty = lhs.ty(self.body, self.tcx); let rhs_ty = rhs.ty(self.body, self.tcx); diff --git a/compiler/rustc_const_eval/src/transform/check_consts/qualifs.rs b/compiler/rustc_const_eval/src/transform/check_consts/qualifs.rs index eae0e2f27dbd..7e8a208659b9 100644 --- a/compiler/rustc_const_eval/src/transform/check_consts/qualifs.rs +++ b/compiler/rustc_const_eval/src/transform/check_consts/qualifs.rs @@ -261,7 +261,7 @@ where | Rvalue::Cast(_, operand, _) | Rvalue::ShallowInitBox(operand, _) => in_operand::(cx, in_local, operand), - Rvalue::BinaryOp(_, box (lhs, rhs)) | Rvalue::CheckedBinaryOp(_, box (lhs, rhs)) => { + Rvalue::BinaryOp(_, box (lhs, rhs)) => { in_operand::(cx, in_local, lhs) || in_operand::(cx, in_local, rhs) } diff --git a/compiler/rustc_const_eval/src/transform/check_consts/resolver.rs b/compiler/rustc_const_eval/src/transform/check_consts/resolver.rs index 5ae3ffaaec2f..011341472b43 100644 --- a/compiler/rustc_const_eval/src/transform/check_consts/resolver.rs +++ b/compiler/rustc_const_eval/src/transform/check_consts/resolver.rs @@ -200,7 +200,6 @@ where | mir::Rvalue::Repeat(..) | mir::Rvalue::Len(..) | mir::Rvalue::BinaryOp(..) - | mir::Rvalue::CheckedBinaryOp(..) | mir::Rvalue::NullaryOp(..) | mir::Rvalue::UnaryOp(..) | mir::Rvalue::Discriminant(..) diff --git a/compiler/rustc_const_eval/src/transform/validate.rs b/compiler/rustc_const_eval/src/transform/validate.rs index fdc7f6a69cba..3a2b2c5f3002 100644 --- a/compiler/rustc_const_eval/src/transform/validate.rs +++ b/compiler/rustc_const_eval/src/transform/validate.rs @@ -1037,8 +1037,8 @@ impl<'a, 'tcx> Visitor<'tcx> for TypeChecker<'a, 'tcx> { ) } } - AddUnchecked | SubUnchecked | MulUnchecked | Shl | ShlUnchecked | Shr - | ShrUnchecked => { + AddUnchecked | AddWithOverflow | SubUnchecked | SubWithOverflow + | MulUnchecked | MulWithOverflow | Shl | ShlUnchecked | Shr | ShrUnchecked => { for x in [a, b] { check_kinds!( x, @@ -1067,31 +1067,6 @@ impl<'a, 'tcx> Visitor<'tcx> for TypeChecker<'a, 'tcx> { } } } - Rvalue::CheckedBinaryOp(op, vals) => { - use BinOp::*; - let a = vals.0.ty(&self.body.local_decls, self.tcx); - let b = vals.1.ty(&self.body.local_decls, self.tcx); - match op { - Add | Sub | Mul => { - for x in [a, b] { - check_kinds!( - x, - "Cannot perform checked arithmetic on type {:?}", - ty::Uint(..) | ty::Int(..) - ) - } - if a != b { - self.fail( - location, - format!( - "Cannot perform checked arithmetic on unequal types {a:?} and {b:?}" - ), - ); - } - } - _ => self.fail(location, format!("There is no checked version of {op:?}")), - } - } Rvalue::UnaryOp(op, operand) => { let a = operand.ty(&self.body.local_decls, self.tcx); match op { diff --git a/compiler/rustc_const_eval/src/util/mod.rs b/compiler/rustc_const_eval/src/util/mod.rs index 0c3b59a0e78e..66a1addfb525 100644 --- a/compiler/rustc_const_eval/src/util/mod.rs +++ b/compiler/rustc_const_eval/src/util/mod.rs @@ -19,7 +19,9 @@ pub fn binop_left_homogeneous(op: mir::BinOp) -> bool { match op { Add | AddUnchecked | Sub | SubUnchecked | Mul | MulUnchecked | Div | Rem | BitXor | BitAnd | BitOr | Offset | Shl | ShlUnchecked | Shr | ShrUnchecked => true, - Eq | Ne | Lt | Le | Gt | Ge | Cmp => false, + AddWithOverflow | SubWithOverflow | MulWithOverflow | Eq | Ne | Lt | Le | Gt | Ge | Cmp => { + false + } } } @@ -29,8 +31,9 @@ pub fn binop_left_homogeneous(op: mir::BinOp) -> bool { pub fn binop_right_homogeneous(op: mir::BinOp) -> bool { use rustc_middle::mir::BinOp::*; match op { - Add | AddUnchecked | Sub | SubUnchecked | Mul | MulUnchecked | Div | Rem | BitXor - | BitAnd | BitOr | Eq | Ne | Lt | Le | Gt | Ge | Cmp => true, + Add | AddUnchecked | AddWithOverflow | Sub | SubUnchecked | SubWithOverflow | Mul + | MulUnchecked | MulWithOverflow | Div | Rem | BitXor | BitAnd | BitOr | Eq | Ne | Lt + | Le | Gt | Ge | Cmp => true, Offset | Shl | ShlUnchecked | Shr | ShrUnchecked => false, } } diff --git a/compiler/rustc_middle/src/mir/pretty.rs b/compiler/rustc_middle/src/mir/pretty.rs index 5aaa1c30cade..7e8598b49df4 100644 --- a/compiler/rustc_middle/src/mir/pretty.rs +++ b/compiler/rustc_middle/src/mir/pretty.rs @@ -971,9 +971,6 @@ impl<'tcx> Debug for Rvalue<'tcx> { with_no_trimmed_paths!(write!(fmt, "{place:?} as {ty} ({kind:?})")) } BinaryOp(ref op, box (ref a, ref b)) => write!(fmt, "{op:?}({a:?}, {b:?})"), - CheckedBinaryOp(ref op, box (ref a, ref b)) => { - write!(fmt, "Checked{op:?}({a:?}, {b:?})") - } UnaryOp(ref op, ref a) => write!(fmt, "{op:?}({a:?})"), Discriminant(ref place) => write!(fmt, "discriminant({place:?})"), NullaryOp(ref op, ref t) => { diff --git a/compiler/rustc_middle/src/mir/statement.rs b/compiler/rustc_middle/src/mir/statement.rs index 375f1f15a39e..4d9a931d6979 100644 --- a/compiler/rustc_middle/src/mir/statement.rs +++ b/compiler/rustc_middle/src/mir/statement.rs @@ -438,7 +438,6 @@ impl<'tcx> Rvalue<'tcx> { _, ) | Rvalue::BinaryOp(_, _) - | Rvalue::CheckedBinaryOp(_, _) | Rvalue::NullaryOp(_, _) | Rvalue::UnaryOp(_, _) | Rvalue::Discriminant(_) diff --git a/compiler/rustc_middle/src/mir/syntax.rs b/compiler/rustc_middle/src/mir/syntax.rs index e124b478f419..2b28496faec7 100644 --- a/compiler/rustc_middle/src/mir/syntax.rs +++ b/compiler/rustc_middle/src/mir/syntax.rs @@ -1295,18 +1295,12 @@ pub enum Rvalue<'tcx> { /// truncated as needed. /// * The `Bit*` operations accept signed integers, unsigned integers, or bools with matching /// types and return a value of that type. + /// * The `FooWithOverflow` are like the `Foo`, but returning `(T, bool)` instead of just `T`, + /// where the `bool` is true if the result is not equal to the infinite-precision result. /// * The remaining operations accept signed integers, unsigned integers, or floats with /// matching types and return a value of that type. BinaryOp(BinOp, Box<(Operand<'tcx>, Operand<'tcx>)>), - /// Same as `BinaryOp`, but yields `(T, bool)` with a `bool` indicating an error condition. - /// - /// For addition, subtraction, and multiplication on integers the error condition is set when - /// the infinite precision result would not be equal to the actual result. - /// - /// Other combinations of types and operators are unsupported. - CheckedBinaryOp(BinOp, Box<(Operand<'tcx>, Operand<'tcx>)>), - /// Computes a value as described by the operation. NullaryOp(NullOp<'tcx>, Ty<'tcx>), @@ -1449,14 +1443,23 @@ pub enum BinOp { Add, /// Like `Add`, but with UB on overflow. (Integers only.) AddUnchecked, + /// Like `Add`, but returns `(T, bool)` of both the wrapped result + /// and a bool indicating whether it overflowed. + AddWithOverflow, /// The `-` operator (subtraction) Sub, /// Like `Sub`, but with UB on overflow. (Integers only.) SubUnchecked, + /// Like `Sub`, but returns `(T, bool)` of both the wrapped result + /// and a bool indicating whether it overflowed. + SubWithOverflow, /// The `*` operator (multiplication) Mul, /// Like `Mul`, but with UB on overflow. (Integers only.) MulUnchecked, + /// Like `Mul`, but returns `(T, bool)` of both the wrapped result + /// and a bool indicating whether it overflowed. + MulWithOverflow, /// The `/` operator (division) /// /// For integer types, division by zero is UB, as is `MIN / -1` for signed. diff --git a/compiler/rustc_middle/src/mir/tcx.rs b/compiler/rustc_middle/src/mir/tcx.rs index 4994679ad5da..e1ae2e086667 100644 --- a/compiler/rustc_middle/src/mir/tcx.rs +++ b/compiler/rustc_middle/src/mir/tcx.rs @@ -179,12 +179,6 @@ impl<'tcx> Rvalue<'tcx> { let rhs_ty = rhs.ty(local_decls, tcx); op.ty(tcx, lhs_ty, rhs_ty) } - Rvalue::CheckedBinaryOp(op, box (ref lhs, ref rhs)) => { - let lhs_ty = lhs.ty(local_decls, tcx); - let rhs_ty = rhs.ty(local_decls, tcx); - let ty = op.ty(tcx, lhs_ty, rhs_ty); - Ty::new_tup(tcx, &[ty, tcx.types.bool]) - } Rvalue::UnaryOp(UnOp::Not | UnOp::Neg, ref operand) => operand.ty(local_decls, tcx), Rvalue::Discriminant(ref place) => place.ty(local_decls, tcx).ty.discriminant_ty(tcx), Rvalue::NullaryOp(NullOp::SizeOf | NullOp::AlignOf | NullOp::OffsetOf(..), _) => { @@ -263,6 +257,11 @@ impl<'tcx> BinOp { assert_eq!(lhs_ty, rhs_ty); lhs_ty } + &BinOp::AddWithOverflow | &BinOp::SubWithOverflow | &BinOp::MulWithOverflow => { + // these should be integers of the same size. + assert_eq!(lhs_ty, rhs_ty); + Ty::new_tup(tcx, &[lhs_ty, tcx.types.bool]) + } &BinOp::Shl | &BinOp::ShlUnchecked | &BinOp::Shr @@ -315,6 +314,9 @@ impl BinOp { BinOp::Le => hir::BinOpKind::Le, BinOp::Ge => hir::BinOpKind::Ge, BinOp::Cmp + | BinOp::AddWithOverflow + | BinOp::SubWithOverflow + | BinOp::MulWithOverflow | BinOp::AddUnchecked | BinOp::SubUnchecked | BinOp::MulUnchecked @@ -325,4 +327,24 @@ impl BinOp { } } } + + /// If this is a `FooWithOverflow`, return `Some(Foo)`. + pub fn overflowing_to_wrapping(self) -> Option { + Some(match self { + BinOp::AddWithOverflow => BinOp::Add, + BinOp::SubWithOverflow => BinOp::Sub, + BinOp::MulWithOverflow => BinOp::Mul, + _ => return None, + }) + } + + /// If this is a `Foo`, return `Some(FooWithOverflow)`. + pub fn wrapping_to_overflowing(self) -> Option { + Some(match self { + BinOp::Add => BinOp::AddWithOverflow, + BinOp::Sub => BinOp::SubWithOverflow, + BinOp::Mul => BinOp::MulWithOverflow, + _ => return None, + }) + } } diff --git a/compiler/rustc_middle/src/mir/visit.rs b/compiler/rustc_middle/src/mir/visit.rs index d97abc3f1904..8901fd42d936 100644 --- a/compiler/rustc_middle/src/mir/visit.rs +++ b/compiler/rustc_middle/src/mir/visit.rs @@ -696,8 +696,7 @@ macro_rules! make_mir_visitor { self.visit_ty($(& $mutability)? *ty, TyContext::Location(location)); } - Rvalue::BinaryOp(_bin_op, box(lhs, rhs)) - | Rvalue::CheckedBinaryOp(_bin_op, box(lhs, rhs)) => { + Rvalue::BinaryOp(_bin_op, box(lhs, rhs)) => { self.visit_operand(lhs, location); self.visit_operand(rhs, location); } diff --git a/compiler/rustc_mir_build/src/build/custom/parse/instruction.rs b/compiler/rustc_mir_build/src/build/custom/parse/instruction.rs index c669d3fd6230..6f8cfc3af447 100644 --- a/compiler/rustc_mir_build/src/build/custom/parse/instruction.rs +++ b/compiler/rustc_mir_build/src/build/custom/parse/instruction.rs @@ -195,9 +195,15 @@ impl<'tcx, 'body> ParseCtxt<'tcx, 'body> { }, @call(mir_checked, args) => { parse_by_kind!(self, args[0], _, "binary op", - ExprKind::Binary { op, lhs, rhs } => Ok(Rvalue::CheckedBinaryOp( - *op, Box::new((self.parse_operand(*lhs)?, self.parse_operand(*rhs)?)) - )), + ExprKind::Binary { op, lhs, rhs } => { + if let Some(op_with_overflow) = op.wrapping_to_overflowing() { + Ok(Rvalue::BinaryOp( + op_with_overflow, Box::new((self.parse_operand(*lhs)?, self.parse_operand(*rhs)?)) + )) + } else { + Err(self.expr_error(expr_id, "No WithOverflow form of this operator")) + } + }, ) }, @call(mir_offset, args) => { diff --git a/compiler/rustc_mir_build/src/build/expr/as_rvalue.rs b/compiler/rustc_mir_build/src/build/expr/as_rvalue.rs index 0b2248d049af..60a2827a3e29 100644 --- a/compiler/rustc_mir_build/src/build/expr/as_rvalue.rs +++ b/compiler/rustc_mir_build/src/build/expr/as_rvalue.rs @@ -568,11 +568,13 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { let result_tup = Ty::new_tup(self.tcx, &[ty, bool_ty]); let result_value = self.temp(result_tup, span); + let op_with_overflow = op.wrapping_to_overflowing().unwrap(); + self.cfg.push_assign( block, source_info, result_value, - Rvalue::CheckedBinaryOp(op, Box::new((lhs.to_copy(), rhs.to_copy()))), + Rvalue::BinaryOp(op_with_overflow, Box::new((lhs.to_copy(), rhs.to_copy()))), ); let val_fld = FieldIdx::ZERO; let of_fld = FieldIdx::new(1); diff --git a/compiler/rustc_mir_dataflow/src/impls/borrowed_locals.rs b/compiler/rustc_mir_dataflow/src/impls/borrowed_locals.rs index bdc70de58e84..706bb796349f 100644 --- a/compiler/rustc_mir_dataflow/src/impls/borrowed_locals.rs +++ b/compiler/rustc_mir_dataflow/src/impls/borrowed_locals.rs @@ -109,7 +109,6 @@ where | Rvalue::Repeat(..) | Rvalue::Len(..) | Rvalue::BinaryOp(..) - | Rvalue::CheckedBinaryOp(..) | Rvalue::NullaryOp(..) | Rvalue::UnaryOp(..) | Rvalue::Discriminant(..) diff --git a/compiler/rustc_mir_dataflow/src/move_paths/builder.rs b/compiler/rustc_mir_dataflow/src/move_paths/builder.rs index 6ae7df79d309..521ecb1b9a59 100644 --- a/compiler/rustc_mir_dataflow/src/move_paths/builder.rs +++ b/compiler/rustc_mir_dataflow/src/move_paths/builder.rs @@ -420,8 +420,7 @@ impl<'b, 'a, 'tcx, F: Fn(Ty<'tcx>) -> bool> Gatherer<'b, 'a, 'tcx, F> { | Rvalue::Cast(_, ref operand, _) | Rvalue::ShallowInitBox(ref operand, _) | Rvalue::UnaryOp(_, ref operand) => self.gather_operand(operand), - Rvalue::BinaryOp(ref _binop, box (ref lhs, ref rhs)) - | Rvalue::CheckedBinaryOp(ref _binop, box (ref lhs, ref rhs)) => { + Rvalue::BinaryOp(ref _binop, box (ref lhs, ref rhs)) => { self.gather_operand(lhs); self.gather_operand(rhs); } diff --git a/compiler/rustc_mir_dataflow/src/value_analysis.rs b/compiler/rustc_mir_dataflow/src/value_analysis.rs index 807bef074117..1e5322dd99b8 100644 --- a/compiler/rustc_mir_dataflow/src/value_analysis.rs +++ b/compiler/rustc_mir_dataflow/src/value_analysis.rs @@ -184,7 +184,6 @@ pub trait ValueAnalysis<'tcx> { | Rvalue::Len(..) | Rvalue::Cast(..) | Rvalue::BinaryOp(..) - | Rvalue::CheckedBinaryOp(..) | Rvalue::NullaryOp(..) | Rvalue::UnaryOp(..) | Rvalue::Discriminant(..) diff --git a/compiler/rustc_mir_transform/src/dataflow_const_prop.rs b/compiler/rustc_mir_transform/src/dataflow_const_prop.rs index a42d64f86be1..3d24a56cdd7c 100644 --- a/compiler/rustc_mir_transform/src/dataflow_const_prop.rs +++ b/compiler/rustc_mir_transform/src/dataflow_const_prop.rs @@ -165,7 +165,9 @@ impl<'tcx> ValueAnalysis<'tcx> for ConstAnalysis<'_, 'tcx> { } } } - Rvalue::CheckedBinaryOp(op, box (left, right)) => { + Rvalue::BinaryOp(overflowing_op, box (left, right)) + if let Some(op) = overflowing_op.overflowing_to_wrapping() => + { // Flood everything now, so we can use `insert_value_idx` directly later. state.flood(target.as_ref(), self.map()); @@ -175,7 +177,7 @@ impl<'tcx> ValueAnalysis<'tcx> for ConstAnalysis<'_, 'tcx> { let overflow_target = self.map().apply(target, TrackElem::Field(1_u32.into())); if value_target.is_some() || overflow_target.is_some() { - let (val, overflow) = self.binary_op(state, *op, left, right); + let (val, overflow) = self.binary_op(state, op, left, right); if let Some(value_target) = value_target { // We have flooded `target` earlier. diff --git a/compiler/rustc_mir_transform/src/dest_prop.rs b/compiler/rustc_mir_transform/src/dest_prop.rs index 1bc383fccc72..b1016c0867c6 100644 --- a/compiler/rustc_mir_transform/src/dest_prop.rs +++ b/compiler/rustc_mir_transform/src/dest_prop.rs @@ -564,7 +564,7 @@ impl WriteInfo { | Rvalue::ShallowInitBox(op, _) => { self.add_operand(op); } - Rvalue::BinaryOp(_, ops) | Rvalue::CheckedBinaryOp(_, ops) => { + Rvalue::BinaryOp(_, ops) => { for op in [&ops.0, &ops.1] { self.add_operand(op); } diff --git a/compiler/rustc_mir_transform/src/gvn.rs b/compiler/rustc_mir_transform/src/gvn.rs index 123166a764d8..1f3e407180b5 100644 --- a/compiler/rustc_mir_transform/src/gvn.rs +++ b/compiler/rustc_mir_transform/src/gvn.rs @@ -831,23 +831,18 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { // on both operands for side effect. let lhs = lhs?; let rhs = rhs?; - if let Some(value) = self.simplify_binary(op, false, ty, lhs, rhs) { - return Some(value); + + if let Some(op) = op.overflowing_to_wrapping() { + if let Some(value) = self.simplify_binary(op, true, ty, lhs, rhs) { + return Some(value); + } + Value::CheckedBinaryOp(op, lhs, rhs) + } else { + if let Some(value) = self.simplify_binary(op, false, ty, lhs, rhs) { + return Some(value); + } + Value::BinaryOp(op, lhs, rhs) } - Value::BinaryOp(op, lhs, rhs) - } - Rvalue::CheckedBinaryOp(op, box (ref mut lhs, ref mut rhs)) => { - let ty = lhs.ty(self.local_decls, self.tcx); - let lhs = self.simplify_operand(lhs, location); - let rhs = self.simplify_operand(rhs, location); - // Only short-circuit options after we called `simplify_operand` - // on both operands for side effect. - let lhs = lhs?; - let rhs = rhs?; - if let Some(value) = self.simplify_binary(op, true, ty, lhs, rhs) { - return Some(value); - } - Value::CheckedBinaryOp(op, lhs, rhs) } Rvalue::UnaryOp(op, ref mut arg) => { let arg = self.simplify_operand(arg, location)?; diff --git a/compiler/rustc_mir_transform/src/known_panics_lint.rs b/compiler/rustc_mir_transform/src/known_panics_lint.rs index d0a5a6cada8f..38fc37a3a313 100644 --- a/compiler/rustc_mir_transform/src/known_panics_lint.rs +++ b/compiler/rustc_mir_transform/src/known_panics_lint.rs @@ -399,16 +399,8 @@ impl<'mir, 'tcx> ConstPropagator<'mir, 'tcx> { } Rvalue::BinaryOp(op, box (left, right)) => { trace!("checking BinaryOp(op = {:?}, left = {:?}, right = {:?})", op, left, right); - self.check_binary_op(*op, left, right, location)?; - } - Rvalue::CheckedBinaryOp(op, box (left, right)) => { - trace!( - "checking CheckedBinaryOp(op = {:?}, left = {:?}, right = {:?})", - op, - left, - right - ); - self.check_binary_op(*op, left, right, location)?; + let op = op.overflowing_to_wrapping().unwrap_or(*op); + self.check_binary_op(op, left, right, location)?; } // Do not try creating references (#67862) @@ -555,24 +547,18 @@ impl<'mir, 'tcx> ConstPropagator<'mir, 'tcx> { let right = self.eval_operand(right)?; let right = self.use_ecx(|this| this.ecx.read_immediate(&right))?; - let val = - self.use_ecx(|this| this.ecx.wrapping_binary_op(bin_op, &left, &right))?; - val.into() - } - - CheckedBinaryOp(bin_op, box (ref left, ref right)) => { - let left = self.eval_operand(left)?; - let left = self.use_ecx(|this| this.ecx.read_immediate(&left))?; - - let right = self.eval_operand(right)?; - let right = self.use_ecx(|this| this.ecx.read_immediate(&right))?; - - let (val, overflowed) = - self.use_ecx(|this| this.ecx.overflowing_binary_op(bin_op, &left, &right))?; - let overflowed = ImmTy::from_bool(overflowed, self.tcx); - Value::Aggregate { - variant: VariantIdx::ZERO, - fields: [Value::from(val), overflowed.into()].into_iter().collect(), + if let Some(bin_op) = bin_op.overflowing_to_wrapping() { + let (val, overflowed) = + self.use_ecx(|this| this.ecx.overflowing_binary_op(bin_op, &left, &right))?; + let overflowed = ImmTy::from_bool(overflowed, self.tcx); + Value::Aggregate { + variant: VariantIdx::ZERO, + fields: [Value::from(val), overflowed.into()].into_iter().collect(), + } + } else { + let val = + self.use_ecx(|this| this.ecx.wrapping_binary_op(bin_op, &left, &right))?; + val.into() } } diff --git a/compiler/rustc_mir_transform/src/lower_intrinsics.rs b/compiler/rustc_mir_transform/src/lower_intrinsics.rs index 43d8c45bb2dd..221301b2ceb0 100644 --- a/compiler/rustc_mir_transform/src/lower_intrinsics.rs +++ b/compiler/rustc_mir_transform/src/lower_intrinsics.rs @@ -140,16 +140,16 @@ impl<'tcx> MirPass<'tcx> for LowerIntrinsics { rhs = args.next().unwrap(); } let bin_op = match intrinsic.name { - sym::add_with_overflow => BinOp::Add, - sym::sub_with_overflow => BinOp::Sub, - sym::mul_with_overflow => BinOp::Mul, + sym::add_with_overflow => BinOp::AddWithOverflow, + sym::sub_with_overflow => BinOp::SubWithOverflow, + sym::mul_with_overflow => BinOp::MulWithOverflow, _ => bug!("unexpected intrinsic"), }; block.statements.push(Statement { source_info: terminator.source_info, kind: StatementKind::Assign(Box::new(( *destination, - Rvalue::CheckedBinaryOp(bin_op, Box::new((lhs.node, rhs.node))), + Rvalue::BinaryOp(bin_op, Box::new((lhs.node, rhs.node))), ))), }); terminator.kind = TerminatorKind::Goto { target }; diff --git a/compiler/rustc_mir_transform/src/promote_consts.rs b/compiler/rustc_mir_transform/src/promote_consts.rs index b3116c002d3c..34aa31baab79 100644 --- a/compiler/rustc_mir_transform/src/promote_consts.rs +++ b/compiler/rustc_mir_transform/src/promote_consts.rs @@ -470,7 +470,7 @@ impl<'tcx> Validator<'_, 'tcx> { self.validate_operand(operand)?; } - Rvalue::BinaryOp(op, box (lhs, rhs)) | Rvalue::CheckedBinaryOp(op, box (lhs, rhs)) => { + Rvalue::BinaryOp(op, box (lhs, rhs)) => { let op = *op; let lhs_ty = lhs.ty(self.body, self.tcx); @@ -539,10 +539,13 @@ impl<'tcx> Validator<'_, 'tcx> { | BinOp::Offset | BinOp::Add | BinOp::AddUnchecked + | BinOp::AddWithOverflow | BinOp::Sub | BinOp::SubUnchecked + | BinOp::SubWithOverflow | BinOp::Mul | BinOp::MulUnchecked + | BinOp::MulWithOverflow | BinOp::BitXor | BinOp::BitAnd | BinOp::BitOr diff --git a/compiler/rustc_smir/src/rustc_smir/convert/mir.rs b/compiler/rustc_smir/src/rustc_smir/convert/mir.rs index 452ab04c44c5..d89caabab3e1 100644 --- a/compiler/rustc_smir/src/rustc_smir/convert/mir.rs +++ b/compiler/rustc_smir/src/rustc_smir/convert/mir.rs @@ -1,5 +1,6 @@ //! Conversion of internal Rust compiler `mir` items to stable ones. +use rustc_middle::bug; use rustc_middle::mir; use rustc_middle::mir::interpret::alloc_range; use rustc_middle::mir::mono::MonoItem; @@ -183,16 +184,21 @@ impl<'tcx> Stable<'tcx> for mir::Rvalue<'tcx> { op.stable(tables), ty.stable(tables), ), - BinaryOp(bin_op, ops) => stable_mir::mir::Rvalue::BinaryOp( - bin_op.stable(tables), - ops.0.stable(tables), - ops.1.stable(tables), - ), - CheckedBinaryOp(bin_op, ops) => stable_mir::mir::Rvalue::CheckedBinaryOp( - bin_op.stable(tables), - ops.0.stable(tables), - ops.1.stable(tables), - ), + BinaryOp(bin_op, ops) => { + if let Some(bin_op) = bin_op.overflowing_to_wrapping() { + stable_mir::mir::Rvalue::CheckedBinaryOp( + bin_op.stable(tables), + ops.0.stable(tables), + ops.1.stable(tables), + ) + } else { + stable_mir::mir::Rvalue::BinaryOp( + bin_op.stable(tables), + ops.0.stable(tables), + ops.1.stable(tables), + ) + } + } NullaryOp(null_op, ty) => { stable_mir::mir::Rvalue::NullaryOp(null_op.stable(tables), ty.stable(tables)) } @@ -485,10 +491,13 @@ impl<'tcx> Stable<'tcx> for mir::BinOp { match self { BinOp::Add => stable_mir::mir::BinOp::Add, BinOp::AddUnchecked => stable_mir::mir::BinOp::AddUnchecked, + BinOp::AddWithOverflow => bug!("AddWithOverflow should have been translated already"), BinOp::Sub => stable_mir::mir::BinOp::Sub, BinOp::SubUnchecked => stable_mir::mir::BinOp::SubUnchecked, + BinOp::SubWithOverflow => bug!("AddWithOverflow should have been translated already"), BinOp::Mul => stable_mir::mir::BinOp::Mul, BinOp::MulUnchecked => stable_mir::mir::BinOp::MulUnchecked, + BinOp::MulWithOverflow => bug!("AddWithOverflow should have been translated already"), BinOp::Div => stable_mir::mir::BinOp::Div, BinOp::Rem => stable_mir::mir::BinOp::Rem, BinOp::BitXor => stable_mir::mir::BinOp::BitXor, diff --git a/compiler/rustc_ty_utils/src/consts.rs b/compiler/rustc_ty_utils/src/consts.rs index fec02f515caf..b40a0d0a58e4 100644 --- a/compiler/rustc_ty_utils/src/consts.rs +++ b/compiler/rustc_ty_utils/src/consts.rs @@ -81,9 +81,9 @@ fn destructure_const<'tcx>( fn check_binop(op: mir::BinOp) -> bool { use mir::BinOp::*; match op { - Add | AddUnchecked | Sub | SubUnchecked | Mul | MulUnchecked | Div | Rem | BitXor - | BitAnd | BitOr | Shl | ShlUnchecked | Shr | ShrUnchecked | Eq | Lt | Le | Ne | Ge - | Gt | Cmp => true, + Add | AddUnchecked | AddWithOverflow | Sub | SubUnchecked | SubWithOverflow | Mul + | MulUnchecked | MulWithOverflow | Div | Rem | BitXor | BitAnd | BitOr | Shl + | ShlUnchecked | Shr | ShrUnchecked | Eq | Lt | Le | Ne | Ge | Gt | Cmp => true, Offset => false, } } diff --git a/tests/mir-opt/building/custom/operators.f.built.after.mir b/tests/mir-opt/building/custom/operators.f.built.after.mir index 33eb6b720e87..cac82f7b3ea3 100644 --- a/tests/mir-opt/building/custom/operators.f.built.after.mir +++ b/tests/mir-opt/building/custom/operators.f.built.after.mir @@ -21,7 +21,7 @@ fn f(_1: i32, _2: bool) -> i32 { _2 = Le(_1, _1); _2 = Ge(_1, _1); _2 = Gt(_1, _1); - _3 = CheckedAdd(_1, _1); + _3 = AddWithOverflow(_1, _1); _2 = (_3.1: bool); _1 = (_3.0: i32); _0 = _1; diff --git a/tests/mir-opt/const_prop/checked_add.main.GVN.panic-abort.diff b/tests/mir-opt/const_prop/checked_add.main.GVN.panic-abort.diff index d5117b2f6384..0e93c167ebc9 100644 --- a/tests/mir-opt/const_prop/checked_add.main.GVN.panic-abort.diff +++ b/tests/mir-opt/const_prop/checked_add.main.GVN.panic-abort.diff @@ -11,7 +11,7 @@ bb0: { StorageLive(_1); -- _2 = CheckedAdd(const 1_u32, const 1_u32); +- _2 = AddWithOverflow(const 1_u32, const 1_u32); - assert(!move (_2.1: bool), "attempt to compute `{} + {}`, which would overflow", const 1_u32, const 1_u32) -> [success: bb1, unwind unreachable]; + _2 = const (2_u32, false); + assert(!const false, "attempt to compute `{} + {}`, which would overflow", const 1_u32, const 1_u32) -> [success: bb1, unwind unreachable]; diff --git a/tests/mir-opt/const_prop/checked_add.main.GVN.panic-unwind.diff b/tests/mir-opt/const_prop/checked_add.main.GVN.panic-unwind.diff index 2118d37672c0..589eed5776c9 100644 --- a/tests/mir-opt/const_prop/checked_add.main.GVN.panic-unwind.diff +++ b/tests/mir-opt/const_prop/checked_add.main.GVN.panic-unwind.diff @@ -11,7 +11,7 @@ bb0: { StorageLive(_1); -- _2 = CheckedAdd(const 1_u32, const 1_u32); +- _2 = AddWithOverflow(const 1_u32, const 1_u32); - assert(!move (_2.1: bool), "attempt to compute `{} + {}`, which would overflow", const 1_u32, const 1_u32) -> [success: bb1, unwind continue]; + _2 = const (2_u32, false); + assert(!const false, "attempt to compute `{} + {}`, which would overflow", const 1_u32, const 1_u32) -> [success: bb1, unwind continue]; diff --git a/tests/mir-opt/const_prop/indirect.main.GVN.panic-abort.diff b/tests/mir-opt/const_prop/indirect.main.GVN.panic-abort.diff index 8301a4c1aa86..f24b9755eaea 100644 --- a/tests/mir-opt/const_prop/indirect.main.GVN.panic-abort.diff +++ b/tests/mir-opt/const_prop/indirect.main.GVN.panic-abort.diff @@ -14,7 +14,7 @@ StorageLive(_1); StorageLive(_2); - _2 = const 2_u32 as u8 (IntToInt); -- _3 = CheckedAdd(_2, const 1_u8); +- _3 = AddWithOverflow(_2, const 1_u8); - assert(!move (_3.1: bool), "attempt to compute `{} + {}`, which would overflow", move _2, const 1_u8) -> [success: bb1, unwind unreachable]; + _2 = const 2_u8; + _3 = const (3_u8, false); diff --git a/tests/mir-opt/const_prop/indirect.main.GVN.panic-unwind.diff b/tests/mir-opt/const_prop/indirect.main.GVN.panic-unwind.diff index 8dcbfd2c2c11..44ff313b5328 100644 --- a/tests/mir-opt/const_prop/indirect.main.GVN.panic-unwind.diff +++ b/tests/mir-opt/const_prop/indirect.main.GVN.panic-unwind.diff @@ -14,7 +14,7 @@ StorageLive(_1); StorageLive(_2); - _2 = const 2_u32 as u8 (IntToInt); -- _3 = CheckedAdd(_2, const 1_u8); +- _3 = AddWithOverflow(_2, const 1_u8); - assert(!move (_3.1: bool), "attempt to compute `{} + {}`, which would overflow", move _2, const 1_u8) -> [success: bb1, unwind continue]; + _2 = const 2_u8; + _3 = const (3_u8, false); diff --git a/tests/mir-opt/const_prop/inherit_overflow.main.GVN.panic-abort.diff b/tests/mir-opt/const_prop/inherit_overflow.main.GVN.panic-abort.diff index 8c5a0df94f42..de9cb7a47a2b 100644 --- a/tests/mir-opt/const_prop/inherit_overflow.main.GVN.panic-abort.diff +++ b/tests/mir-opt/const_prop/inherit_overflow.main.GVN.panic-abort.diff @@ -19,7 +19,7 @@ StorageLive(_3); _3 = const 1_u8; StorageLive(_4); -- _4 = CheckedAdd(_2, _3); +- _4 = AddWithOverflow(_2, _3); - assert(!move (_4.1: bool), "attempt to compute `{} + {}`, which would overflow", _2, _3) -> [success: bb1, unwind unreachable]; + _4 = const (0_u8, true); + assert(!const true, "attempt to compute `{} + {}`, which would overflow", const u8::MAX, const 1_u8) -> [success: bb1, unwind unreachable]; diff --git a/tests/mir-opt/const_prop/inherit_overflow.main.GVN.panic-unwind.diff b/tests/mir-opt/const_prop/inherit_overflow.main.GVN.panic-unwind.diff index 7887a8a90727..1f19a13c1e8c 100644 --- a/tests/mir-opt/const_prop/inherit_overflow.main.GVN.panic-unwind.diff +++ b/tests/mir-opt/const_prop/inherit_overflow.main.GVN.panic-unwind.diff @@ -19,7 +19,7 @@ StorageLive(_3); _3 = const 1_u8; StorageLive(_4); -- _4 = CheckedAdd(_2, _3); +- _4 = AddWithOverflow(_2, _3); - assert(!move (_4.1: bool), "attempt to compute `{} + {}`, which would overflow", _2, _3) -> [success: bb1, unwind continue]; + _4 = const (0_u8, true); + assert(!const true, "attempt to compute `{} + {}`, which would overflow", const u8::MAX, const 1_u8) -> [success: bb1, unwind continue]; diff --git a/tests/mir-opt/const_prop/return_place.add.GVN.panic-abort.diff b/tests/mir-opt/const_prop/return_place.add.GVN.panic-abort.diff index 51f8227c36b4..b2d40daa80c4 100644 --- a/tests/mir-opt/const_prop/return_place.add.GVN.panic-abort.diff +++ b/tests/mir-opt/const_prop/return_place.add.GVN.panic-abort.diff @@ -6,7 +6,7 @@ let mut _1: (u32, bool); bb0: { -- _1 = CheckedAdd(const 2_u32, const 2_u32); +- _1 = AddWithOverflow(const 2_u32, const 2_u32); - assert(!move (_1.1: bool), "attempt to compute `{} + {}`, which would overflow", const 2_u32, const 2_u32) -> [success: bb1, unwind unreachable]; + _1 = const (4_u32, false); + assert(!const false, "attempt to compute `{} + {}`, which would overflow", const 2_u32, const 2_u32) -> [success: bb1, unwind unreachable]; diff --git a/tests/mir-opt/const_prop/return_place.add.GVN.panic-unwind.diff b/tests/mir-opt/const_prop/return_place.add.GVN.panic-unwind.diff index 8174b4edea65..2eafc51cd3db 100644 --- a/tests/mir-opt/const_prop/return_place.add.GVN.panic-unwind.diff +++ b/tests/mir-opt/const_prop/return_place.add.GVN.panic-unwind.diff @@ -6,7 +6,7 @@ let mut _1: (u32, bool); bb0: { -- _1 = CheckedAdd(const 2_u32, const 2_u32); +- _1 = AddWithOverflow(const 2_u32, const 2_u32); - assert(!move (_1.1: bool), "attempt to compute `{} + {}`, which would overflow", const 2_u32, const 2_u32) -> [success: bb1, unwind continue]; + _1 = const (4_u32, false); + assert(!const false, "attempt to compute `{} + {}`, which would overflow", const 2_u32, const 2_u32) -> [success: bb1, unwind continue]; diff --git a/tests/mir-opt/dataflow-const-prop/checked.main.DataflowConstProp.panic-abort.diff b/tests/mir-opt/dataflow-const-prop/checked.main.DataflowConstProp.panic-abort.diff index b35538f89728..53663c6476bd 100644 --- a/tests/mir-opt/dataflow-const-prop/checked.main.DataflowConstProp.panic-abort.diff +++ b/tests/mir-opt/dataflow-const-prop/checked.main.DataflowConstProp.panic-abort.diff @@ -40,7 +40,7 @@ + _4 = const 1_i32; StorageLive(_5); - _5 = _2; -- _6 = CheckedAdd(_4, _5); +- _6 = AddWithOverflow(_4, _5); - assert(!move (_6.1: bool), "attempt to compute `{} + {}`, which would overflow", move _4, move _5) -> [success: bb1, unwind unreachable]; + _5 = const 2_i32; + _6 = const (3_i32, false); @@ -57,7 +57,7 @@ StorageLive(_8); StorageLive(_9); - _9 = _7; -- _10 = CheckedAdd(_9, const 1_i32); +- _10 = AddWithOverflow(_9, const 1_i32); - assert(!move (_10.1: bool), "attempt to compute `{} + {}`, which would overflow", move _9, const 1_i32) -> [success: bb2, unwind unreachable]; + _9 = const i32::MAX; + _10 = const (i32::MIN, true); diff --git a/tests/mir-opt/dataflow-const-prop/checked.main.DataflowConstProp.panic-unwind.diff b/tests/mir-opt/dataflow-const-prop/checked.main.DataflowConstProp.panic-unwind.diff index 05c969692337..34feb2a64062 100644 --- a/tests/mir-opt/dataflow-const-prop/checked.main.DataflowConstProp.panic-unwind.diff +++ b/tests/mir-opt/dataflow-const-prop/checked.main.DataflowConstProp.panic-unwind.diff @@ -40,7 +40,7 @@ + _4 = const 1_i32; StorageLive(_5); - _5 = _2; -- _6 = CheckedAdd(_4, _5); +- _6 = AddWithOverflow(_4, _5); - assert(!move (_6.1: bool), "attempt to compute `{} + {}`, which would overflow", move _4, move _5) -> [success: bb1, unwind continue]; + _5 = const 2_i32; + _6 = const (3_i32, false); @@ -57,7 +57,7 @@ StorageLive(_8); StorageLive(_9); - _9 = _7; -- _10 = CheckedAdd(_9, const 1_i32); +- _10 = AddWithOverflow(_9, const 1_i32); - assert(!move (_10.1: bool), "attempt to compute `{} + {}`, which would overflow", move _9, const 1_i32) -> [success: bb2, unwind continue]; + _9 = const i32::MAX; + _10 = const (i32::MIN, true); diff --git a/tests/mir-opt/dataflow-const-prop/inherit_overflow.main.DataflowConstProp.panic-abort.diff b/tests/mir-opt/dataflow-const-prop/inherit_overflow.main.DataflowConstProp.panic-abort.diff index ca1bd737caf0..8d62de0c8215 100644 --- a/tests/mir-opt/dataflow-const-prop/inherit_overflow.main.DataflowConstProp.panic-abort.diff +++ b/tests/mir-opt/dataflow-const-prop/inherit_overflow.main.DataflowConstProp.panic-abort.diff @@ -19,7 +19,7 @@ StorageLive(_3); _3 = const 1_u8; StorageLive(_4); -- _4 = CheckedAdd(_2, _3); +- _4 = AddWithOverflow(_2, _3); - assert(!move (_4.1: bool), "attempt to compute `{} + {}`, which would overflow", _2, _3) -> [success: bb1, unwind unreachable]; + _4 = const (0_u8, true); + assert(!const true, "attempt to compute `{} + {}`, which would overflow", const u8::MAX, const 1_u8) -> [success: bb1, unwind unreachable]; diff --git a/tests/mir-opt/dataflow-const-prop/inherit_overflow.main.DataflowConstProp.panic-unwind.diff b/tests/mir-opt/dataflow-const-prop/inherit_overflow.main.DataflowConstProp.panic-unwind.diff index 0d7fe9360c11..25624851cb34 100644 --- a/tests/mir-opt/dataflow-const-prop/inherit_overflow.main.DataflowConstProp.panic-unwind.diff +++ b/tests/mir-opt/dataflow-const-prop/inherit_overflow.main.DataflowConstProp.panic-unwind.diff @@ -19,7 +19,7 @@ StorageLive(_3); _3 = const 1_u8; StorageLive(_4); -- _4 = CheckedAdd(_2, _3); +- _4 = AddWithOverflow(_2, _3); - assert(!move (_4.1: bool), "attempt to compute `{} + {}`, which would overflow", _2, _3) -> [success: bb1, unwind continue]; + _4 = const (0_u8, true); + assert(!const true, "attempt to compute `{} + {}`, which would overflow", const u8::MAX, const 1_u8) -> [success: bb1, unwind continue]; diff --git a/tests/mir-opt/gvn.arithmetic_checked.GVN.panic-abort.diff b/tests/mir-opt/gvn.arithmetic_checked.GVN.panic-abort.diff index a45d9920a684..5bf22af6ae83 100644 --- a/tests/mir-opt/gvn.arithmetic_checked.GVN.panic-abort.diff +++ b/tests/mir-opt/gvn.arithmetic_checked.GVN.panic-abort.diff @@ -31,9 +31,9 @@ StorageLive(_3); StorageLive(_4); _4 = _1; -- _5 = CheckedAdd(_4, const 0_u64); +- _5 = AddWithOverflow(_4, const 0_u64); - assert(!move (_5.1: bool), "attempt to compute `{} + {}`, which would overflow", move _4, const 0_u64) -> [success: bb1, unwind unreachable]; -+ _5 = CheckedAdd(_1, const 0_u64); ++ _5 = AddWithOverflow(_1, const 0_u64); + assert(!const false, "attempt to compute `{} + {}`, which would overflow", _1, const 0_u64) -> [success: bb1, unwind unreachable]; } @@ -52,7 +52,7 @@ StorageLive(_7); StorageLive(_8); _8 = _1; -- _9 = CheckedSub(_8, const 0_u64); +- _9 = SubWithOverflow(_8, const 0_u64); - assert(!move (_9.1: bool), "attempt to compute `{} - {}`, which would overflow", move _8, const 0_u64) -> [success: bb3, unwind unreachable]; + _9 = _5; + assert(!const false, "attempt to compute `{} - {}`, which would overflow", _1, const 0_u64) -> [success: bb3, unwind unreachable]; @@ -76,7 +76,7 @@ _12 = _1; StorageLive(_13); _13 = _1; -- _14 = CheckedSub(_12, _13); +- _14 = SubWithOverflow(_12, _13); - assert(!move (_14.1: bool), "attempt to compute `{} - {}`, which would overflow", move _12, move _13) -> [success: bb5, unwind unreachable]; + _14 = const (0_u64, false); + assert(!const false, "attempt to compute `{} - {}`, which would overflow", _1, _1) -> [success: bb5, unwind unreachable]; @@ -99,7 +99,7 @@ StorageLive(_16); StorageLive(_17); _17 = _1; -- _18 = CheckedMul(_17, const 0_u64); +- _18 = MulWithOverflow(_17, const 0_u64); - assert(!move (_18.1: bool), "attempt to compute `{} * {}`, which would overflow", move _17, const 0_u64) -> [success: bb7, unwind unreachable]; + _18 = const (0_u64, false); + assert(!const false, "attempt to compute `{} * {}`, which would overflow", _1, const 0_u64) -> [success: bb7, unwind unreachable]; @@ -120,7 +120,7 @@ StorageLive(_20); StorageLive(_21); _21 = _1; -- _22 = CheckedMul(_21, const 1_u64); +- _22 = MulWithOverflow(_21, const 1_u64); - assert(!move (_22.1: bool), "attempt to compute `{} * {}`, which would overflow", move _21, const 1_u64) -> [success: bb9, unwind unreachable]; + _22 = _5; + assert(!const false, "attempt to compute `{} * {}`, which would overflow", _1, const 1_u64) -> [success: bb9, unwind unreachable]; diff --git a/tests/mir-opt/gvn.arithmetic_checked.GVN.panic-unwind.diff b/tests/mir-opt/gvn.arithmetic_checked.GVN.panic-unwind.diff index 9033b392bd4c..18d2029e4450 100644 --- a/tests/mir-opt/gvn.arithmetic_checked.GVN.panic-unwind.diff +++ b/tests/mir-opt/gvn.arithmetic_checked.GVN.panic-unwind.diff @@ -31,9 +31,9 @@ StorageLive(_3); StorageLive(_4); _4 = _1; -- _5 = CheckedAdd(_4, const 0_u64); +- _5 = AddWithOverflow(_4, const 0_u64); - assert(!move (_5.1: bool), "attempt to compute `{} + {}`, which would overflow", move _4, const 0_u64) -> [success: bb1, unwind continue]; -+ _5 = CheckedAdd(_1, const 0_u64); ++ _5 = AddWithOverflow(_1, const 0_u64); + assert(!const false, "attempt to compute `{} + {}`, which would overflow", _1, const 0_u64) -> [success: bb1, unwind continue]; } @@ -52,7 +52,7 @@ StorageLive(_7); StorageLive(_8); _8 = _1; -- _9 = CheckedSub(_8, const 0_u64); +- _9 = SubWithOverflow(_8, const 0_u64); - assert(!move (_9.1: bool), "attempt to compute `{} - {}`, which would overflow", move _8, const 0_u64) -> [success: bb3, unwind continue]; + _9 = _5; + assert(!const false, "attempt to compute `{} - {}`, which would overflow", _1, const 0_u64) -> [success: bb3, unwind continue]; @@ -76,7 +76,7 @@ _12 = _1; StorageLive(_13); _13 = _1; -- _14 = CheckedSub(_12, _13); +- _14 = SubWithOverflow(_12, _13); - assert(!move (_14.1: bool), "attempt to compute `{} - {}`, which would overflow", move _12, move _13) -> [success: bb5, unwind continue]; + _14 = const (0_u64, false); + assert(!const false, "attempt to compute `{} - {}`, which would overflow", _1, _1) -> [success: bb5, unwind continue]; @@ -99,7 +99,7 @@ StorageLive(_16); StorageLive(_17); _17 = _1; -- _18 = CheckedMul(_17, const 0_u64); +- _18 = MulWithOverflow(_17, const 0_u64); - assert(!move (_18.1: bool), "attempt to compute `{} * {}`, which would overflow", move _17, const 0_u64) -> [success: bb7, unwind continue]; + _18 = const (0_u64, false); + assert(!const false, "attempt to compute `{} * {}`, which would overflow", _1, const 0_u64) -> [success: bb7, unwind continue]; @@ -120,7 +120,7 @@ StorageLive(_20); StorageLive(_21); _21 = _1; -- _22 = CheckedMul(_21, const 1_u64); +- _22 = MulWithOverflow(_21, const 1_u64); - assert(!move (_22.1: bool), "attempt to compute `{} * {}`, which would overflow", move _21, const 1_u64) -> [success: bb9, unwind continue]; + _22 = _5; + assert(!const false, "attempt to compute `{} * {}`, which would overflow", _1, const 1_u64) -> [success: bb9, unwind continue]; diff --git a/tests/mir-opt/issue_41697.{impl#0}-{constant#0}.SimplifyCfg-promote-consts.after.mir b/tests/mir-opt/issue_41697.{impl#0}-{constant#0}.SimplifyCfg-promote-consts.after.mir index 7dafeabaacc7..7d2e97f8d564 100644 --- a/tests/mir-opt/issue_41697.{impl#0}-{constant#0}.SimplifyCfg-promote-consts.after.mir +++ b/tests/mir-opt/issue_41697.{impl#0}-{constant#0}.SimplifyCfg-promote-consts.after.mir @@ -5,7 +5,7 @@ let mut _1: (usize, bool); bb0: { - _1 = CheckedAdd(const 1_usize, const 1_usize); + _1 = AddWithOverflow(const 1_usize, const 1_usize); assert(!move (_1.1: bool), "attempt to compute `{} + {}`, which would overflow", const 1_usize, const 1_usize) -> [success: bb1, unwind: bb2]; } diff --git a/tests/mir-opt/lower_intrinsics.rs b/tests/mir-opt/lower_intrinsics.rs index 12e526ab0741..180bfd0a9246 100644 --- a/tests/mir-opt/lower_intrinsics.rs +++ b/tests/mir-opt/lower_intrinsics.rs @@ -184,9 +184,9 @@ pub fn assume() { // EMIT_MIR lower_intrinsics.with_overflow.LowerIntrinsics.diff pub fn with_overflow(a: i32, b: i32) { // CHECK-LABEL: fn with_overflow( - // CHECK: CheckedAdd( - // CHECK: CheckedSub( - // CHECK: CheckedMul( + // CHECK: AddWithOverflow( + // CHECK: SubWithOverflow( + // CHECK: MulWithOverflow( let _x = core::intrinsics::add_with_overflow(a, b); let _y = core::intrinsics::sub_with_overflow(a, b); diff --git a/tests/mir-opt/lower_intrinsics.with_overflow.LowerIntrinsics.panic-abort.diff b/tests/mir-opt/lower_intrinsics.with_overflow.LowerIntrinsics.panic-abort.diff index da84449aaa52..efbbeeeac73d 100644 --- a/tests/mir-opt/lower_intrinsics.with_overflow.LowerIntrinsics.panic-abort.diff +++ b/tests/mir-opt/lower_intrinsics.with_overflow.LowerIntrinsics.panic-abort.diff @@ -31,7 +31,7 @@ StorageLive(_5); _5 = _2; - _3 = add_with_overflow::(move _4, move _5) -> [return: bb1, unwind unreachable]; -+ _3 = CheckedAdd(move _4, move _5); ++ _3 = AddWithOverflow(move _4, move _5); + goto -> bb1; } @@ -44,7 +44,7 @@ StorageLive(_8); _8 = _2; - _6 = sub_with_overflow::(move _7, move _8) -> [return: bb2, unwind unreachable]; -+ _6 = CheckedSub(move _7, move _8); ++ _6 = SubWithOverflow(move _7, move _8); + goto -> bb2; } @@ -57,7 +57,7 @@ StorageLive(_11); _11 = _2; - _9 = mul_with_overflow::(move _10, move _11) -> [return: bb3, unwind unreachable]; -+ _9 = CheckedMul(move _10, move _11); ++ _9 = MulWithOverflow(move _10, move _11); + goto -> bb3; } diff --git a/tests/mir-opt/lower_intrinsics.with_overflow.LowerIntrinsics.panic-unwind.diff b/tests/mir-opt/lower_intrinsics.with_overflow.LowerIntrinsics.panic-unwind.diff index da84449aaa52..efbbeeeac73d 100644 --- a/tests/mir-opt/lower_intrinsics.with_overflow.LowerIntrinsics.panic-unwind.diff +++ b/tests/mir-opt/lower_intrinsics.with_overflow.LowerIntrinsics.panic-unwind.diff @@ -31,7 +31,7 @@ StorageLive(_5); _5 = _2; - _3 = add_with_overflow::(move _4, move _5) -> [return: bb1, unwind unreachable]; -+ _3 = CheckedAdd(move _4, move _5); ++ _3 = AddWithOverflow(move _4, move _5); + goto -> bb1; } @@ -44,7 +44,7 @@ StorageLive(_8); _8 = _2; - _6 = sub_with_overflow::(move _7, move _8) -> [return: bb2, unwind unreachable]; -+ _6 = CheckedSub(move _7, move _8); ++ _6 = SubWithOverflow(move _7, move _8); + goto -> bb2; } @@ -57,7 +57,7 @@ StorageLive(_11); _11 = _2; - _9 = mul_with_overflow::(move _10, move _11) -> [return: bb3, unwind unreachable]; -+ _9 = CheckedMul(move _10, move _11); ++ _9 = MulWithOverflow(move _10, move _11); + goto -> bb3; } diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.GVN.32bit.panic-abort.diff b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.GVN.32bit.panic-abort.diff index 0e7e1f971ec3..2f34a62b3d13 100644 --- a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.GVN.32bit.panic-abort.diff +++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.GVN.32bit.panic-abort.diff @@ -24,7 +24,7 @@ bb0: { StorageLive(_1); -- _2 = CheckedAdd(const 2_i32, const 2_i32); +- _2 = AddWithOverflow(const 2_i32, const 2_i32); - assert(!move (_2.1: bool), "attempt to compute `{} + {}`, which would overflow", const 2_i32, const 2_i32) -> [success: bb1, unwind unreachable]; + _2 = const (4_i32, false); + assert(!const false, "attempt to compute `{} + {}`, which would overflow", const 2_i32, const 2_i32) -> [success: bb1, unwind unreachable]; diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.GVN.32bit.panic-unwind.diff b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.GVN.32bit.panic-unwind.diff index 9071a3339c08..da7add371a5b 100644 --- a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.GVN.32bit.panic-unwind.diff +++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.GVN.32bit.panic-unwind.diff @@ -24,7 +24,7 @@ bb0: { StorageLive(_1); -- _2 = CheckedAdd(const 2_i32, const 2_i32); +- _2 = AddWithOverflow(const 2_i32, const 2_i32); - assert(!move (_2.1: bool), "attempt to compute `{} + {}`, which would overflow", const 2_i32, const 2_i32) -> [success: bb1, unwind continue]; + _2 = const (4_i32, false); + assert(!const false, "attempt to compute `{} + {}`, which would overflow", const 2_i32, const 2_i32) -> [success: bb1, unwind continue]; diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.GVN.64bit.panic-abort.diff b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.GVN.64bit.panic-abort.diff index 0e7e1f971ec3..2f34a62b3d13 100644 --- a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.GVN.64bit.panic-abort.diff +++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.GVN.64bit.panic-abort.diff @@ -24,7 +24,7 @@ bb0: { StorageLive(_1); -- _2 = CheckedAdd(const 2_i32, const 2_i32); +- _2 = AddWithOverflow(const 2_i32, const 2_i32); - assert(!move (_2.1: bool), "attempt to compute `{} + {}`, which would overflow", const 2_i32, const 2_i32) -> [success: bb1, unwind unreachable]; + _2 = const (4_i32, false); + assert(!const false, "attempt to compute `{} + {}`, which would overflow", const 2_i32, const 2_i32) -> [success: bb1, unwind unreachable]; diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.GVN.64bit.panic-unwind.diff b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.GVN.64bit.panic-unwind.diff index 9071a3339c08..da7add371a5b 100644 --- a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.GVN.64bit.panic-unwind.diff +++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.GVN.64bit.panic-unwind.diff @@ -24,7 +24,7 @@ bb0: { StorageLive(_1); -- _2 = CheckedAdd(const 2_i32, const 2_i32); +- _2 = AddWithOverflow(const 2_i32, const 2_i32); - assert(!move (_2.1: bool), "attempt to compute `{} + {}`, which would overflow", const 2_i32, const 2_i32) -> [success: bb1, unwind continue]; + _2 = const (4_i32, false); + assert(!const false, "attempt to compute `{} + {}`, which would overflow", const 2_i32, const 2_i32) -> [success: bb1, unwind continue]; diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.32bit.panic-abort.diff b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.32bit.panic-abort.diff index 5f2a096bb1f7..802bfbbcdc5f 100644 --- a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.32bit.panic-abort.diff +++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.32bit.panic-abort.diff @@ -26,7 +26,7 @@ bb0: { StorageLive(_1); - _2 = CheckedAdd(const 2_i32, const 2_i32); + _2 = AddWithOverflow(const 2_i32, const 2_i32); assert(!move (_2.1: bool), "attempt to compute `{} + {}`, which would overflow", const 2_i32, const 2_i32) -> [success: bb1, unwind unreachable]; } diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.32bit.panic-unwind.diff b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.32bit.panic-unwind.diff index a49546f158c8..de94a5574031 100644 --- a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.32bit.panic-unwind.diff +++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.32bit.panic-unwind.diff @@ -26,7 +26,7 @@ bb0: { StorageLive(_1); - _2 = CheckedAdd(const 2_i32, const 2_i32); + _2 = AddWithOverflow(const 2_i32, const 2_i32); assert(!move (_2.1: bool), "attempt to compute `{} + {}`, which would overflow", const 2_i32, const 2_i32) -> [success: bb1, unwind continue]; } diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.64bit.panic-abort.diff b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.64bit.panic-abort.diff index 5f2a096bb1f7..802bfbbcdc5f 100644 --- a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.64bit.panic-abort.diff +++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.64bit.panic-abort.diff @@ -26,7 +26,7 @@ bb0: { StorageLive(_1); - _2 = CheckedAdd(const 2_i32, const 2_i32); + _2 = AddWithOverflow(const 2_i32, const 2_i32); assert(!move (_2.1: bool), "attempt to compute `{} + {}`, which would overflow", const 2_i32, const 2_i32) -> [success: bb1, unwind unreachable]; } diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.64bit.panic-unwind.diff b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.64bit.panic-unwind.diff index a49546f158c8..de94a5574031 100644 --- a/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.64bit.panic-unwind.diff +++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.main.ScalarReplacementOfAggregates.64bit.panic-unwind.diff @@ -26,7 +26,7 @@ bb0: { StorageLive(_1); - _2 = CheckedAdd(const 2_i32, const 2_i32); + _2 = AddWithOverflow(const 2_i32, const 2_i32); assert(!move (_2.1: bool), "attempt to compute `{} + {}`, which would overflow", const 2_i32, const 2_i32) -> [success: bb1, unwind continue]; } diff --git a/tests/run-make/const_fn_mir/dump.mir b/tests/run-make/const_fn_mir/dump.mir index ced170bbeee2..b1802c990cf8 100644 --- a/tests/run-make/const_fn_mir/dump.mir +++ b/tests/run-make/const_fn_mir/dump.mir @@ -5,7 +5,7 @@ fn foo() -> i32 { let mut _1: (i32, bool); bb0: { - _1 = CheckedAdd(const 5_i32, const 6_i32); + _1 = AddWithOverflow(const 5_i32, const 6_i32); assert(!move (_1.1: bool), "attempt to compute `{} + {}`, which would overflow", const 5_i32, const 6_i32) -> [success: bb1, unwind continue]; } @@ -21,7 +21,7 @@ fn foo() -> i32 { let mut _1: (i32, bool); bb0: { - _1 = CheckedAdd(const 5_i32, const 6_i32); + _1 = AddWithOverflow(const 5_i32, const 6_i32); assert(!move (_1.1: bool), "attempt to compute `{} + {}`, which would overflow", const 5_i32, const 6_i32) -> [success: bb1, unwind continue]; } From d83c65e9873002f657a32051ba51a7d17883b2f8 Mon Sep 17 00:00:00 2001 From: Scott McMurray Date: Thu, 16 May 2024 03:00:48 -0700 Subject: [PATCH 0204/1716] Fix clippy --- src/tools/clippy/clippy_utils/src/mir/possible_borrower.rs | 4 ++-- src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/src/tools/clippy/clippy_utils/src/mir/possible_borrower.rs b/src/tools/clippy/clippy_utils/src/mir/possible_borrower.rs index 06229ac938f9..7b4fd8a210ed 100644 --- a/src/tools/clippy/clippy_utils/src/mir/possible_borrower.rs +++ b/src/tools/clippy/clippy_utils/src/mir/possible_borrower.rs @@ -149,7 +149,7 @@ impl TypeVisitor> for ContainsRegion { } fn rvalue_locals(rvalue: &mir::Rvalue<'_>, mut visit: impl FnMut(mir::Local)) { - use rustc_middle::mir::Rvalue::{Aggregate, BinaryOp, Cast, CheckedBinaryOp, Repeat, UnaryOp, Use}; + use rustc_middle::mir::Rvalue::{Aggregate, BinaryOp, Cast, Repeat, UnaryOp, Use}; let mut visit_op = |op: &mir::Operand<'_>| match op { mir::Operand::Copy(p) | mir::Operand::Move(p) => visit(p.local), @@ -159,7 +159,7 @@ fn rvalue_locals(rvalue: &mir::Rvalue<'_>, mut visit: impl FnMut(mir::Local)) { match rvalue { Use(op) | Repeat(op, _) | Cast(_, op, _) | UnaryOp(_, op) => visit_op(op), Aggregate(_, ops) => ops.iter().for_each(visit_op), - BinaryOp(_, box (lhs, rhs)) | CheckedBinaryOp(_, box (lhs, rhs)) => { + BinaryOp(_, box (lhs, rhs)) => { visit_op(lhs); visit_op(rhs); }, diff --git a/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs b/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs index 95851a2eed81..ff9f06531ea1 100644 --- a/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs +++ b/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs @@ -161,7 +161,7 @@ fn check_rvalue<'tcx>( "transmute can attempt to turn pointers into integers, so is unstable in const fn".into(), )), // binops are fine on integers - Rvalue::BinaryOp(_, box (lhs, rhs)) | Rvalue::CheckedBinaryOp(_, box (lhs, rhs)) => { + Rvalue::BinaryOp(_, box (lhs, rhs)) => { check_operand(tcx, lhs, span, body)?; check_operand(tcx, rhs, span, body)?; let ty = lhs.ty(body, tcx); From 0cd64b5756f6834b266ecfdfede47ac66a6359fa Mon Sep 17 00:00:00 2001 From: Scott McMurray Date: Thu, 16 May 2024 03:00:48 -0700 Subject: [PATCH 0205/1716] Fix clippy --- clippy_utils/src/mir/possible_borrower.rs | 4 ++-- clippy_utils/src/qualify_min_const_fn.rs | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/clippy_utils/src/mir/possible_borrower.rs b/clippy_utils/src/mir/possible_borrower.rs index 06229ac938f9..7b4fd8a210ed 100644 --- a/clippy_utils/src/mir/possible_borrower.rs +++ b/clippy_utils/src/mir/possible_borrower.rs @@ -149,7 +149,7 @@ impl TypeVisitor> for ContainsRegion { } fn rvalue_locals(rvalue: &mir::Rvalue<'_>, mut visit: impl FnMut(mir::Local)) { - use rustc_middle::mir::Rvalue::{Aggregate, BinaryOp, Cast, CheckedBinaryOp, Repeat, UnaryOp, Use}; + use rustc_middle::mir::Rvalue::{Aggregate, BinaryOp, Cast, Repeat, UnaryOp, Use}; let mut visit_op = |op: &mir::Operand<'_>| match op { mir::Operand::Copy(p) | mir::Operand::Move(p) => visit(p.local), @@ -159,7 +159,7 @@ fn rvalue_locals(rvalue: &mir::Rvalue<'_>, mut visit: impl FnMut(mir::Local)) { match rvalue { Use(op) | Repeat(op, _) | Cast(_, op, _) | UnaryOp(_, op) => visit_op(op), Aggregate(_, ops) => ops.iter().for_each(visit_op), - BinaryOp(_, box (lhs, rhs)) | CheckedBinaryOp(_, box (lhs, rhs)) => { + BinaryOp(_, box (lhs, rhs)) => { visit_op(lhs); visit_op(rhs); }, diff --git a/clippy_utils/src/qualify_min_const_fn.rs b/clippy_utils/src/qualify_min_const_fn.rs index 95851a2eed81..ff9f06531ea1 100644 --- a/clippy_utils/src/qualify_min_const_fn.rs +++ b/clippy_utils/src/qualify_min_const_fn.rs @@ -161,7 +161,7 @@ fn check_rvalue<'tcx>( "transmute can attempt to turn pointers into integers, so is unstable in const fn".into(), )), // binops are fine on integers - Rvalue::BinaryOp(_, box (lhs, rhs)) | Rvalue::CheckedBinaryOp(_, box (lhs, rhs)) => { + Rvalue::BinaryOp(_, box (lhs, rhs)) => { check_operand(tcx, lhs, span, body)?; check_operand(tcx, rhs, span, body)?; let ty = lhs.ty(body, tcx); From f2b61d808a1e5b02361b3fcf5a1467323b651665 Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Fri, 3 May 2024 21:21:50 +0300 Subject: [PATCH 0206/1716] keep the `STAGE0_MISSING_TARGETS` list updated Signed-off-by: onur-ozkan --- src/bootstrap/src/core/sanity.rs | 24 ++++++++++++++++++------ 1 file changed, 18 insertions(+), 6 deletions(-) diff --git a/src/bootstrap/src/core/sanity.rs b/src/bootstrap/src/core/sanity.rs index 0c069a540696..92b5e057e975 100644 --- a/src/bootstrap/src/core/sanity.rs +++ b/src/bootstrap/src/core/sanity.rs @@ -8,7 +8,7 @@ //! In theory if we get past this phase it's a bug if a build fails, but in //! practice that's likely not true! -use std::collections::HashMap; +use std::collections::{HashMap, HashSet}; use std::env; use std::ffi::{OsStr, OsString}; use std::fs; @@ -33,8 +33,6 @@ pub struct Finder { // Targets can be removed from this list once they are present in the stage0 compiler (usually by updating the beta compiler of the bootstrap). const STAGE0_MISSING_TARGETS: &[&str] = &[ // just a dummy comment so the list doesn't get onelined - "aarch64-apple-visionos", - "aarch64-apple-visionos-sim", ]; impl Finder { @@ -169,6 +167,12 @@ than building it. .map(|p| cmd_finder.must_have(p)) .or_else(|| cmd_finder.maybe_have("reuse")); + let stage0_supported_target_list: HashSet = + output(Command::new(&build.config.initial_rustc).args(["--print", "target-list"])) + .lines() + .map(|s| s.to_string()) + .collect(); + // We're gonna build some custom C code here and there, host triples // also build some C++ shims for LLVM so we need a C++ compiler. for target in &build.targets { @@ -195,11 +199,19 @@ than building it. if !["A", "B", "C"].contains(&target_str.as_str()) { let mut has_target = false; - let supported_target_list = - output(Command::new(&build.config.initial_rustc).args(["--print", "target-list"])); + let missing_targets_hashset: HashSet<_> = STAGE0_MISSING_TARGETS.iter().map(|t| t.to_string()).collect(); + let duplicated_targets: Vec<_> = stage0_supported_target_list.intersection(&missing_targets_hashset).collect(); + + if !duplicated_targets.is_empty() { + println!("Following targets supported from the stage0 compiler, please remove them from STAGE0_MISSING_TARGETS list."); + for duplicated_target in duplicated_targets { + println!(" {duplicated_target}"); + } + std::process::exit(1); + } // Check if it's a built-in target. - has_target |= supported_target_list.contains(&target_str); + has_target |= stage0_supported_target_list.contains(&target_str); has_target |= STAGE0_MISSING_TARGETS.contains(&target_str.as_str()); if !has_target { From 5ea21ca486794f1f1ae038d420bdaee92ff5be5d Mon Sep 17 00:00:00 2001 From: David Carlier Date: Tue, 7 May 2024 23:11:48 +0000 Subject: [PATCH 0207/1716] support aligned_alloc for unixes support. --- src/tools/miri/src/shims/alloc.rs | 38 ++++++++++++++++++ .../miri/src/shims/unix/foreign_items.rs | 11 +++++ .../miri/src/shims/wasi/foreign_items.rs | 9 +++++ .../libc/aligned_alloc_size_zero_leak.rs | 15 +++++++ .../libc/aligned_alloc_size_zero_leak.stderr | 15 +++++++ .../miri/tests/pass-dep/libc/libc-mem.rs | 40 +++++++++++++++++++ 6 files changed, 128 insertions(+) create mode 100644 src/tools/miri/tests/fail-dep/libc/aligned_alloc_size_zero_leak.rs create mode 100644 src/tools/miri/tests/fail-dep/libc/aligned_alloc_size_zero_leak.stderr diff --git a/src/tools/miri/src/shims/alloc.rs b/src/tools/miri/src/shims/alloc.rs index d0f36bd4757c..6c18989caad2 100644 --- a/src/tools/miri/src/shims/alloc.rs +++ b/src/tools/miri/src/shims/alloc.rs @@ -172,4 +172,42 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } } } + + fn aligned_alloc( + &mut self, + align: u64, + size: u64, + ) -> InterpResult<'tcx, Pointer>> { + let this = self.eval_context_mut(); + // Alignment must be a power of 2, and "supported by the implementation". + // We decide that "supported by the implementation" means that the + // size must be a multiple of the alignment. (This restriction seems common + // enough that it is stated on + // as a general rule, but the actual standard has no such rule.) + // If any of these are violated, we have to return NULL. + // All fundamental alignments must be supported. + // + // macOS and Illumos are buggy in that they require the alignment + // to be at least the size of a pointer, so they do not support all fundamental + // alignments. We do not emulate those platform bugs. + // + // Linux also sets errno to EINVAL, but that's non-standard behavior that we do not + // emulate. + // FreeBSD says some of these cases are UB but that's violating the C standard. + // http://en.cppreference.com/w/cpp/memory/c/aligned_alloc + // Linux: https://linux.die.net/man/3/aligned_alloc + // FreeBSD: https://man.freebsd.org/cgi/man.cgi?query=aligned_alloc&apropos=0&sektion=3&manpath=FreeBSD+9-current&format=html + match size.checked_rem(align) { + Some(0) if align.is_power_of_two() => { + let align = align.max(this.malloc_align(size).bytes()); + let ptr = this.allocate_ptr( + Size::from_bytes(size), + Align::from_bytes(align).unwrap(), + MiriMemoryKind::C.into(), + )?; + Ok(ptr.into()) + } + _ => Ok(Pointer::null()), + } + } } diff --git a/src/tools/miri/src/shims/unix/foreign_items.rs b/src/tools/miri/src/shims/unix/foreign_items.rs index 78d297d4b040..ca59e6e65019 100644 --- a/src/tools/miri/src/shims/unix/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/foreign_items.rs @@ -295,6 +295,17 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } } } + "aligned_alloc" => { + // This is a C11 function, we assume all Unixes have it. + // (MSVC explicitly does not support this.) + let [align, size] = + this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?; + let align = this.read_target_usize(align)?; + let size = this.read_target_usize(size)?; + + let res = this.aligned_alloc(align, size)?; + this.write_pointer(res, dest)?; + } // Dynamic symbol loading "dlsym" => { diff --git a/src/tools/miri/src/shims/wasi/foreign_items.rs b/src/tools/miri/src/shims/wasi/foreign_items.rs index 12bf0490932d..9c0a8e663906 100644 --- a/src/tools/miri/src/shims/wasi/foreign_items.rs +++ b/src/tools/miri/src/shims/wasi/foreign_items.rs @@ -26,6 +26,15 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let result = this.posix_memalign(memptr, align, size)?; this.write_scalar(result, dest)?; } + "aligned_alloc" => { + let [align, size] = + this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?; + let align = this.read_target_usize(align)?; + let size = this.read_target_usize(size)?; + + let res = this.aligned_alloc(align, size)?; + this.write_pointer(res, dest)?; + } _ => return Ok(EmulateItemResult::NotSupported), } diff --git a/src/tools/miri/tests/fail-dep/libc/aligned_alloc_size_zero_leak.rs b/src/tools/miri/tests/fail-dep/libc/aligned_alloc_size_zero_leak.rs new file mode 100644 index 000000000000..9a33cdccd270 --- /dev/null +++ b/src/tools/miri/tests/fail-dep/libc/aligned_alloc_size_zero_leak.rs @@ -0,0 +1,15 @@ +//@ignore-target-windows: Windows does not support the standard C11 aligned_alloc. + +fn main() { + // libc doesn't have this function (https://github.com/rust-lang/libc/issues/3689), + // so we declare it ourselves. + extern "C" { + fn aligned_alloc(alignment: libc::size_t, size: libc::size_t) -> *mut libc::c_void; + } + + // Make sure even zero-sized allocations need to be freed. + + unsafe { + aligned_alloc(2, 0); //~ERROR: memory leaked + } +} diff --git a/src/tools/miri/tests/fail-dep/libc/aligned_alloc_size_zero_leak.stderr b/src/tools/miri/tests/fail-dep/libc/aligned_alloc_size_zero_leak.stderr new file mode 100644 index 000000000000..b0756d572120 --- /dev/null +++ b/src/tools/miri/tests/fail-dep/libc/aligned_alloc_size_zero_leak.stderr @@ -0,0 +1,15 @@ +error: memory leaked: ALLOC (C heap, size: 0, align: 2), allocated here: + --> $DIR/aligned_alloc_size_zero_leak.rs:LL:CC + | +LL | aligned_alloc(2, 0); + | ^^^^^^^^^^^^^^^^^^^ + | + = note: BACKTRACE: + = note: inside `main` at $DIR/aligned_alloc_size_zero_leak.rs:LL:CC + +note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace + +note: the evaluated program leaked memory, pass `-Zmiri-ignore-leaks` to disable this check + +error: aborting due to 1 previous error + diff --git a/src/tools/miri/tests/pass-dep/libc/libc-mem.rs b/src/tools/miri/tests/pass-dep/libc/libc-mem.rs index 5bd205dd085d..25aef0a183a5 100644 --- a/src/tools/miri/tests/pass-dep/libc/libc-mem.rs +++ b/src/tools/miri/tests/pass-dep/libc/libc-mem.rs @@ -241,6 +241,44 @@ fn test_reallocarray() { } } +#[cfg(not(target_os = "windows"))] +fn test_aligned_alloc() { + // libc doesn't have this function (https://github.com/rust-lang/libc/issues/3689), + // so we declare it ourselves. + extern "C" { + fn aligned_alloc(alignment: libc::size_t, size: libc::size_t) -> *mut libc::c_void; + } + // size not a multiple of the alignment + unsafe { + let p = aligned_alloc(16, 3); + assert_eq!(p, ptr::null_mut()); + } + + // alignment not power of 2 + unsafe { + let p = aligned_alloc(63, 8); + assert_eq!(p, ptr::null_mut()); + } + + // alignment lesser than a word but still a successful allocation + unsafe { + let p = aligned_alloc(1, 4); + assert!(!p.is_null()); + assert!(p.is_aligned_to(4)); + libc::free(p); + } + + // repeated tests on correct alignment/size + for _ in 0..16 { + unsafe { + let p = aligned_alloc(16, 16); + assert!(!p.is_null()); + assert!(p.is_aligned_to(16)); + libc::free(p); + } + } +} + fn main() { test_malloc(); test_calloc(); @@ -254,6 +292,8 @@ fn main() { target_os = "wasi", )))] test_reallocarray(); + #[cfg(not(target_os = "windows"))] + test_aligned_alloc(); test_memcpy(); test_strcpy(); From 827711d0879dabfc9df4cb6a76d2925391e61423 Mon Sep 17 00:00:00 2001 From: beetrees Date: Sat, 18 May 2024 16:25:55 +0100 Subject: [PATCH 0208/1716] Add `#[inline]` to float `Debug` fallback used by `cfg(no_fp_fmt_parse)` --- library/core/src/fmt/nofloat.rs | 1 + 1 file changed, 1 insertion(+) diff --git a/library/core/src/fmt/nofloat.rs b/library/core/src/fmt/nofloat.rs index a36e7efcd95c..6b07236f1da1 100644 --- a/library/core/src/fmt/nofloat.rs +++ b/library/core/src/fmt/nofloat.rs @@ -4,6 +4,7 @@ macro_rules! floating { ($ty:ident) => { #[stable(feature = "rust1", since = "1.0.0")] impl Debug for $ty { + #[inline] fn fmt(&self, _fmt: &mut Formatter<'_>) -> Result { panic!("floating point support is turned off"); } From c5c820e7fba55da41b09f9c862eb0f3c01f34a26 Mon Sep 17 00:00:00 2001 From: blyxyas Date: Sat, 18 May 2024 18:08:11 +0200 Subject: [PATCH 0209/1716] Fix typos (taking into account review comments) --- compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs | 2 +- compiler/rustc_hir_typeck/src/expr.rs | 2 +- compiler/rustc_lint/src/non_local_def.rs | 2 +- .../src/cfi/typeid/itanium_cxx_abi/transform.rs | 2 +- library/portable-simd/crates/core_simd/src/ops.rs | 2 +- .../clippy/clippy_lints/src/methods/needless_collect.rs | 2 +- src/tools/clippy/tests/ui/ptr_arg.rs | 2 +- src/tools/compiletest/src/common.rs | 4 ++-- src/tools/compiletest/src/lib.rs | 2 +- src/tools/jsondoclint/src/validator.rs | 2 +- src/tools/lld-wrapper/src/main.rs | 2 +- src/tools/miri/cargo-miri/src/util.rs | 2 +- src/tools/miri/miri-script/src/commands.rs | 2 +- src/tools/miri/src/borrow_tracker/stacked_borrows/stack.rs | 2 +- .../miri/src/borrow_tracker/tree_borrows/diagnostics.rs | 6 +++--- src/tools/miri/src/borrow_tracker/tree_borrows/perms.rs | 2 +- .../miri/src/borrow_tracker/tree_borrows/tree/tests.rs | 2 +- src/tools/miri/src/concurrency/thread.rs | 2 +- src/tools/miri/src/concurrency/weak_memory.rs | 2 +- src/tools/miri/src/machine.rs | 4 ++-- src/tools/miri/src/shims/unix/mem.rs | 4 ++-- src/tools/miri/src/shims/unix/sync.rs | 2 +- src/tools/miri/src/shims/x86/mod.rs | 6 +++--- tests/ui/associated-types/associated-types-eq-2.rs | 2 +- tests/ui/coherence/associated-type2.rs | 2 +- .../leak-check/candidate-from-env-universe-err-project.rs | 2 +- tests/ui/parser/label-is-actually-char.rs | 2 +- .../ui/type-alias-impl-trait/defined-by-user-annotation.rs | 2 +- .../type-alias-impl-trait/equal-lifetime-params-not-ok.rs | 2 +- 29 files changed, 36 insertions(+), 36 deletions(-) diff --git a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs index 15050c87b39e..7802825a1b80 100644 --- a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs @@ -652,7 +652,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { } // FIXME: We make sure that this is a normal top-level binding, - // but we could suggest `todo!()` for all uninitialized bindings in the pattern pattern + // but we could suggest `todo!()` for all uninitialized bindings in the pattern if let hir::StmtKind::Let(hir::LetStmt { span, ty, init: None, pat, .. }) = &ex.kind && let hir::PatKind::Binding(..) = pat.kind diff --git a/compiler/rustc_hir_typeck/src/expr.rs b/compiler/rustc_hir_typeck/src/expr.rs index 5a9eab1ffeaf..fb7d3f40093b 100644 --- a/compiler/rustc_hir_typeck/src/expr.rs +++ b/compiler/rustc_hir_typeck/src/expr.rs @@ -3112,7 +3112,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let true_errors = ocx.select_where_possible(); - // Do a leak check -- we can't really report report a useful error here, + // Do a leak check -- we can't really report a useful error here, // but it at least avoids an ICE when the error has to do with higher-ranked // lifetimes. self.leak_check(outer_universe, Some(snapshot))?; diff --git a/compiler/rustc_lint/src/non_local_def.rs b/compiler/rustc_lint/src/non_local_def.rs index 885c0bb3a89c..b3e93748a166 100644 --- a/compiler/rustc_lint/src/non_local_def.rs +++ b/compiler/rustc_lint/src/non_local_def.rs @@ -38,7 +38,7 @@ declare_lint! { /// /// Creating non-local definitions go against expectation and can create discrepancies /// in tooling. It should be avoided. It may become deny-by-default in edition 2024 - /// and higher, see see the tracking issue . + /// and higher, see the tracking issue . /// /// An `impl` definition is non-local if it is nested inside an item and neither /// the type nor the trait are at the same nesting level as the `impl` block. diff --git a/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/transform.rs b/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/transform.rs index 21433cfdb613..62eb07e82871 100644 --- a/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/transform.rs +++ b/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/transform.rs @@ -269,7 +269,7 @@ fn trait_object_ty<'tcx>(tcx: TyCtxt<'tcx>, poly_trait_ref: ty::PolyTraitRef<'tc /// if a function is member of the group derived from this type id. Therefore, in the first call to /// typeid_for_fnabi (when type ids are attached to functions and methods), it can only include at /// most as much information that would be available in the second call (i.e., during code -/// generation at call sites); otherwise, the type ids would not not match. +/// generation at call sites); otherwise, the type ids would not match. /// /// For this, it: /// diff --git a/library/portable-simd/crates/core_simd/src/ops.rs b/library/portable-simd/crates/core_simd/src/ops.rs index d8e10eeaa1a2..dd7303a97b19 100644 --- a/library/portable-simd/crates/core_simd/src/ops.rs +++ b/library/portable-simd/crates/core_simd/src/ops.rs @@ -122,7 +122,7 @@ macro_rules! for_base_types { #[inline] #[must_use = "operator returns a new vector without mutating the inputs"] // TODO: only useful for int Div::div, but we hope that this - // will essentially always always get inlined anyway. + // will essentially always get inlined anyway. #[track_caller] fn $call(self, rhs: Self) -> Self::Output { $macro_impl!(self, rhs, $inner, $scalar) diff --git a/src/tools/clippy/clippy_lints/src/methods/needless_collect.rs b/src/tools/clippy/clippy_lints/src/methods/needless_collect.rs index 1c695655536c..f26f164fa54a 100644 --- a/src/tools/clippy/clippy_lints/src/methods/needless_collect.rs +++ b/src/tools/clippy/clippy_lints/src/methods/needless_collect.rs @@ -127,7 +127,7 @@ pub(super) fn check<'tcx>( } } -/// checks for for collecting into a (generic) method or function argument +/// checks for collecting into a (generic) method or function argument /// taking an `IntoIterator` fn check_collect_into_intoiterator<'tcx>( cx: &LateContext<'tcx>, diff --git a/src/tools/clippy/tests/ui/ptr_arg.rs b/src/tools/clippy/tests/ui/ptr_arg.rs index fcd716f41444..5d6e488972cd 100644 --- a/src/tools/clippy/tests/ui/ptr_arg.rs +++ b/src/tools/clippy/tests/ui/ptr_arg.rs @@ -282,7 +282,7 @@ mod issue_9218 { todo!() } - // These two's return types don't use use 'a so it's not okay + // These two's return types don't use 'a so it's not okay fn cow_bad_ret_ty_1<'a>(input: &'a Cow<'a, str>) -> &'static str { //~^ ERROR: using a reference to `Cow` is not recommended todo!() diff --git a/src/tools/compiletest/src/common.rs b/src/tools/compiletest/src/common.rs index afbcc3e92bcb..7ff45edd4b26 100644 --- a/src/tools/compiletest/src/common.rs +++ b/src/tools/compiletest/src/common.rs @@ -250,7 +250,7 @@ pub struct Config { /// Only run tests that match these filters pub filters: Vec, - /// Skip tests tests matching these substrings. Corresponds to + /// Skip tests matching these substrings. Corresponds to /// `test::TestOpts::skip`. `filter_exact` does not apply to these flags. pub skip: Vec, @@ -381,7 +381,7 @@ pub struct Config { /// Whether to rerun tests even if the inputs are unchanged. pub force_rerun: bool, - /// Only rerun the tests that result has been modified accoring to Git status + /// Only rerun the tests that result has been modified according to Git status pub only_modified: bool, pub target_cfgs: OnceLock, diff --git a/src/tools/compiletest/src/lib.rs b/src/tools/compiletest/src/lib.rs index 2e45caec46cd..99bde107f3a4 100644 --- a/src/tools/compiletest/src/lib.rs +++ b/src/tools/compiletest/src/lib.rs @@ -950,7 +950,7 @@ fn is_android_gdb_target(target: &str) -> bool { ) } -/// Returns `true` if the given target is a MSVC target for the purpouses of CDB testing. +/// Returns `true` if the given target is a MSVC target for the purposes of CDB testing. fn is_pc_windows_msvc_target(target: &str) -> bool { target.ends_with("-pc-windows-msvc") } diff --git a/src/tools/jsondoclint/src/validator.rs b/src/tools/jsondoclint/src/validator.rs index 9e08f7e5f9be..904c2b614f3f 100644 --- a/src/tools/jsondoclint/src/validator.rs +++ b/src/tools/jsondoclint/src/validator.rs @@ -21,7 +21,7 @@ const LOCAL_CRATE_ID: u32 = 0; /// it is well formed. This involves calling `check_*` functions on /// fields of that item, and `add_*` functions on [`Id`]s. /// - `add_*`: These add an [`Id`] to the worklist, after validating it to check if -/// the `Id` is a kind expected in this suituation. +/// the `Id` is a kind expected in this situation. #[derive(Debug)] pub struct Validator<'a> { pub(crate) errs: Vec, diff --git a/src/tools/lld-wrapper/src/main.rs b/src/tools/lld-wrapper/src/main.rs index da94e686f382..79e279a8614b 100644 --- a/src/tools/lld-wrapper/src/main.rs +++ b/src/tools/lld-wrapper/src/main.rs @@ -1,6 +1,6 @@ //! Script to invoke the bundled rust-lld with the correct flavor. //! -//! lld supports multiple command line interfaces. If `-flavor ` are passed as the first +//! `lld` supports multiple command line interfaces. If `-flavor ` are passed as the first //! two arguments the `` command line interface is used to process the remaining arguments. //! If no `-flavor` argument is present the flavor is determined by the executable name. //! diff --git a/src/tools/miri/cargo-miri/src/util.rs b/src/tools/miri/cargo-miri/src/util.rs index d99957d9c220..28a824e54f65 100644 --- a/src/tools/miri/cargo-miri/src/util.rs +++ b/src/tools/miri/cargo-miri/src/util.rs @@ -269,7 +269,7 @@ pub fn get_target_dir(meta: &Metadata) -> PathBuf { output } -/// Determines where the sysroot of this exeuction is +/// Determines where the sysroot of this execution is /// /// Either in a user-specified spot by an envar, or in a default cache location. pub fn get_sysroot_dir() -> PathBuf { diff --git a/src/tools/miri/miri-script/src/commands.rs b/src/tools/miri/miri-script/src/commands.rs index 8e2b07ad8052..bdf03ad6c71d 100644 --- a/src/tools/miri/miri-script/src/commands.rs +++ b/src/tools/miri/miri-script/src/commands.rs @@ -255,7 +255,7 @@ impl Command { cmd!(sh, "git fetch http://localhost:{JOSH_PORT}/rust-lang/rust.git@{commit}{JOSH_FILTER}.git") .run() .map_err(|e| { - // Try to un-do the previous `git commit`, to leave the repo in the state we found it it. + // Try to un-do the previous `git commit`, to leave the repo in the state we found it. cmd!(sh, "git reset --hard HEAD^") .run() .expect("FAILED to clean up again after failed `git fetch`, sorry for that"); diff --git a/src/tools/miri/src/borrow_tracker/stacked_borrows/stack.rs b/src/tools/miri/src/borrow_tracker/stacked_borrows/stack.rs index 55ff09c53fed..3b6c29b5eb15 100644 --- a/src/tools/miri/src/borrow_tracker/stacked_borrows/stack.rs +++ b/src/tools/miri/src/borrow_tracker/stacked_borrows/stack.rs @@ -9,7 +9,7 @@ use crate::borrow_tracker::{ }; use crate::ProvenanceExtra; -/// Exactly what cache size we should use is a difficult tradeoff. There will always be some +/// Exactly what cache size we should use is a difficult trade-off. There will always be some /// workload which has a `BorTag` working set which exceeds the size of the cache, and ends up /// falling back to linear searches of the borrow stack very often. /// The cost of making this value too large is that the loop in `Stack::insert` which ensures the diff --git a/src/tools/miri/src/borrow_tracker/tree_borrows/diagnostics.rs b/src/tools/miri/src/borrow_tracker/tree_borrows/diagnostics.rs index b9f0b5bc17a2..8abc8530f7c4 100644 --- a/src/tools/miri/src/borrow_tracker/tree_borrows/diagnostics.rs +++ b/src/tools/miri/src/borrow_tracker/tree_borrows/diagnostics.rs @@ -390,7 +390,7 @@ struct DisplayFmtWrapper { warning_text: S, } -/// Formating of the permissions on each range. +/// Formatting of the permissions on each range. /// /// Example: /// ```rust,ignore (private type) @@ -422,7 +422,7 @@ struct DisplayFmtPermission { range_sep: S, } -/// Formating of the tree structure. +/// Formatting of the tree structure. /// /// Example: /// ```rust,ignore (private type) @@ -487,7 +487,7 @@ struct DisplayFmtAccess { meh: S, } -/// All parameters to determine how the tree is formated. +/// All parameters to determine how the tree is formatted. struct DisplayFmt { wrapper: DisplayFmtWrapper, perm: DisplayFmtPermission, diff --git a/src/tools/miri/src/borrow_tracker/tree_borrows/perms.rs b/src/tools/miri/src/borrow_tracker/tree_borrows/perms.rs index bec51c7cdf2e..28848e244eed 100644 --- a/src/tools/miri/src/borrow_tracker/tree_borrows/perms.rs +++ b/src/tools/miri/src/borrow_tracker/tree_borrows/perms.rs @@ -202,7 +202,7 @@ impl Permission { Self { inner: Frozen } } - /// Default initial permission of the root of a new tre at out-of-bounds positions. + /// Default initial permission of the root of a new tree at out-of-bounds positions. /// Must *only* be used for the root, this is not in general an "initial" permission! pub fn new_disabled() -> Self { Self { inner: Disabled } diff --git a/src/tools/miri/src/borrow_tracker/tree_borrows/tree/tests.rs b/src/tools/miri/src/borrow_tracker/tree_borrows/tree/tests.rs index 6777f41ac2d0..19acbdb697b6 100644 --- a/src/tools/miri/src/borrow_tracker/tree_borrows/tree/tests.rs +++ b/src/tools/miri/src/borrow_tracker/tree_borrows/tree/tests.rs @@ -483,7 +483,7 @@ mod spurious_read { /// that causes UB in the target but not in the source. /// This implementation simply explores the reachable space /// by all sequences of `TestEvent`. - /// This function can be instanciated with `RetX` and `RetY` + /// This function can be instantiated with `RetX` and `RetY` /// among `NoRet` or `AllowRet` to resp. forbid/allow `x`/`y` to lose their /// protector. fn distinguishable(&self, other: &Self) -> bool diff --git a/src/tools/miri/src/concurrency/thread.rs b/src/tools/miri/src/concurrency/thread.rs index 6953ce81c5e8..24e2c2538523 100644 --- a/src/tools/miri/src/concurrency/thread.rs +++ b/src/tools/miri/src/concurrency/thread.rs @@ -111,7 +111,7 @@ pub enum BlockReason { Condvar(CondvarId), /// Blocked on a reader-writer lock. RwLock(RwLockId), - /// Blocled on a Futex variable. + /// Blocked on a Futex variable. Futex { addr: u64 }, /// Blocked on an InitOnce. InitOnce(InitOnceId), diff --git a/src/tools/miri/src/concurrency/weak_memory.rs b/src/tools/miri/src/concurrency/weak_memory.rs index 574962c48d43..8c71eeb27aa6 100644 --- a/src/tools/miri/src/concurrency/weak_memory.rs +++ b/src/tools/miri/src/concurrency/weak_memory.rs @@ -48,7 +48,7 @@ //! One consequence of this difference is that safe/sound Rust allows for more operations on atomic locations //! than the C++20 atomic API was intended to allow, such as non-atomically accessing //! a previously atomically accessed location, or accessing previously atomically accessed locations with a differently sized operation -//! (such as accessing the top 16 bits of an AtomicU32). These scenarios are generally undiscussed in formalisations of C++ memory model. +//! (such as accessing the top 16 bits of an AtomicU32). These scenarios are generally undiscussed in formalizations of C++ memory model. //! In Rust, these operations can only be done through a `&mut AtomicFoo` reference or one derived from it, therefore these operations //! can only happen after all previous accesses on the same locations. This implementation is adapted to allow these operations. //! A mixed atomicity read that races with writes, or a write that races with reads or writes will still cause UBs to be thrown. diff --git a/src/tools/miri/src/machine.rs b/src/tools/miri/src/machine.rs index 8854b1852803..b3a81dc9ebf5 100644 --- a/src/tools/miri/src/machine.rs +++ b/src/tools/miri/src/machine.rs @@ -206,11 +206,11 @@ pub enum Provenance { /// whether *some* exposed pointer could have done what we want to do, and if the answer is yes /// then we allow the access. This allows too much code in two ways: /// - The same wildcard pointer can "take the role" of multiple different exposed pointers on - /// subsequenct memory accesses. + /// subsequent memory accesses. /// - In the aliasing model, we don't just have to know the borrow tag of the pointer used for /// the access, we also have to update the aliasing state -- and that update can be very /// different depending on which borrow tag we pick! Stacked Borrows has support for this by - /// switching to a stack that is only approximately known, i.e. we overapproximate the effect + /// switching to a stack that is only approximately known, i.e. we over-approximate the effect /// of using *any* exposed pointer for this access, and only keep information about the borrow /// stack that would be true with all possible choices. Wildcard, diff --git a/src/tools/miri/src/shims/unix/mem.rs b/src/tools/miri/src/shims/unix/mem.rs index 0254735ac138..5f454e7799e0 100644 --- a/src/tools/miri/src/shims/unix/mem.rs +++ b/src/tools/miri/src/shims/unix/mem.rs @@ -11,7 +11,7 @@ //! calls to munmap, but for a very different reason. In principle, according to the man pages, it //! is possible to unmap arbitrary regions of address space. But in a high-level language like Rust //! this amounts to partial deallocation, which LLVM does not support. So any attempt to call our -//! munmap shim which would partily unmap a region of address space previously mapped by mmap will +//! munmap shim which would partially unmap a region of address space previously mapped by mmap will //! report UB. use crate::*; @@ -78,7 +78,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { // * The implementation does not support the combination of accesses requested in the // prot argument. // - // Miri doesn't support MAP_FIXED or any any protections other than PROT_READ|PROT_WRITE. + // Miri doesn't support MAP_FIXED or any protections other than PROT_READ|PROT_WRITE. if flags & map_fixed != 0 || prot != prot_read | prot_write { this.set_last_error(this.eval_libc("ENOTSUP"))?; return Ok(this.eval_libc("MAP_FAILED")); diff --git a/src/tools/miri/src/shims/unix/sync.rs b/src/tools/miri/src/shims/unix/sync.rs index f24f279ab0f9..0ba03d4ab780 100644 --- a/src/tools/miri/src/shims/unix/sync.rs +++ b/src/tools/miri/src/shims/unix/sync.rs @@ -390,7 +390,7 @@ fn reacquire_cond_mutex<'mir, 'tcx: 'mir>( Ok(()) } -/// After a thread waiting on a condvar was signalled: +/// After a thread waiting on a condvar was signaled: /// Reacquire the conditional variable and remove the timeout callback if any /// was registered. fn post_cond_signal<'mir, 'tcx: 'mir>( diff --git a/src/tools/miri/src/shims/x86/mod.rs b/src/tools/miri/src/shims/x86/mod.rs index e519fa5508d2..cd7363c36f12 100644 --- a/src/tools/miri/src/shims/x86/mod.rs +++ b/src/tools/miri/src/shims/x86/mod.rs @@ -757,7 +757,7 @@ fn int_abs<'tcx>( Ok(()) } -/// Splits `op` (which must be a SIMD vector) into 128-bit chuncks. +/// Splits `op` (which must be a SIMD vector) into 128-bit chunks. /// /// Returns a tuple where: /// * The first element is the number of 128-bit chunks (let's call it `N`). @@ -788,7 +788,7 @@ fn split_simd_to_128bit_chunks<'tcx, P: Projectable<'tcx, Provenance>>( Ok((num_chunks, items_per_chunk, chunked_op)) } -/// Horizontaly performs `which` operation on adjacent values of +/// Horizontally performs `which` operation on adjacent values of /// `left` and `right` SIMD vectors and stores the result in `dest`. /// "Horizontal" means that the i-th output element is calculated /// from the elements 2*i and 2*i+1 of the concatenation of `left` and @@ -1256,7 +1256,7 @@ fn packusdw<'tcx>( /// Negates elements from `left` when the corresponding element in /// `right` is negative. If an element from `right` is zero, zero -/// is writen to the corresponding output element. +/// is written to the corresponding output element. /// In other words, multiplies `left` with `right.signum()`. fn psign<'tcx>( this: &mut crate::MiriInterpCx<'_, 'tcx>, diff --git a/tests/ui/associated-types/associated-types-eq-2.rs b/tests/ui/associated-types/associated-types-eq-2.rs index d71697e9a832..43b0208461e4 100644 --- a/tests/ui/associated-types/associated-types-eq-2.rs +++ b/tests/ui/associated-types/associated-types-eq-2.rs @@ -4,7 +4,7 @@ struct Bar; struct Qux; -// Tests for a a non generic trait +// Tests for a non generic trait pub trait Tr1 { type A; fn boo(&self) -> ::A; diff --git a/tests/ui/coherence/associated-type2.rs b/tests/ui/coherence/associated-type2.rs index 2aadfb04af05..68e98b62953a 100644 --- a/tests/ui/coherence/associated-type2.rs +++ b/tests/ui/coherence/associated-type2.rs @@ -1,6 +1,6 @@ //! A regression test for #120343. The overlap error was previously //! silenced in coherence because projecting `<() as ToUnit>::Unit` -//! failed. Then then silenced the missing items error in the `ToUnit` +//! failed. Then silenced the missing items error in the `ToUnit` //! impl, causing us to not emit any errors and ICEing due to a //! `span_delay_bug`. diff --git a/tests/ui/higher-ranked/leak-check/candidate-from-env-universe-err-project.rs b/tests/ui/higher-ranked/leak-check/candidate-from-env-universe-err-project.rs index 2f53bd019b78..e0d2e44e6e7d 100644 --- a/tests/ui/higher-ranked/leak-check/candidate-from-env-universe-err-project.rs +++ b/tests/ui/higher-ranked/leak-check/candidate-from-env-universe-err-project.rs @@ -49,7 +49,7 @@ fn function3>() { // Trying to normalize the type `for<'a> fn(>::Assoc)` // only gets to `>::Assoc` once `'a` has been already // instantiated, causing us to prefer the where-bound over the impl - // resulting in a placeholder error. Even if were were to also use the + // resulting in a placeholder error. Even if we were to also use the // leak check during candidate selection for normalization, this // case would still not compile. let _higher_ranked_norm: for<'a> fn(>::Assoc) = |_| (); diff --git a/tests/ui/parser/label-is-actually-char.rs b/tests/ui/parser/label-is-actually-char.rs index 74df898d1910..915ce86d2690 100644 --- a/tests/ui/parser/label-is-actually-char.rs +++ b/tests/ui/parser/label-is-actually-char.rs @@ -1,4 +1,4 @@ -// Note: it's ok to interpret 'a as 'a', but but not ok to interpret 'abc as +// Note: it's ok to interpret 'a as 'a', but not ok to interpret 'abc as // 'abc' because 'abc' is not a valid char literal. fn main() { diff --git a/tests/ui/type-alias-impl-trait/defined-by-user-annotation.rs b/tests/ui/type-alias-impl-trait/defined-by-user-annotation.rs index 0e1d44e7bb3a..75a4fbdb5d63 100644 --- a/tests/ui/type-alias-impl-trait/defined-by-user-annotation.rs +++ b/tests/ui/type-alias-impl-trait/defined-by-user-annotation.rs @@ -1,4 +1,4 @@ -// User type annotation in fn bodies is a a valid defining site for opaque types. +// User type annotation in fn bodies is a valid defining site for opaque types. //@ check-pass #![feature(type_alias_impl_trait)] diff --git a/tests/ui/type-alias-impl-trait/equal-lifetime-params-not-ok.rs b/tests/ui/type-alias-impl-trait/equal-lifetime-params-not-ok.rs index 59ba2694a764..b209b4bc89df 100644 --- a/tests/ui/type-alias-impl-trait/equal-lifetime-params-not-ok.rs +++ b/tests/ui/type-alias-impl-trait/equal-lifetime-params-not-ok.rs @@ -25,7 +25,7 @@ mod mod3 { } // This is similar to the previous cases in that 'a is equal to 'static, -// which is is some sense an implicit parameter to `Opaque`. +// which is some sense an implicit parameter to `Opaque`. // For example, given a defining use `Opaque<'a> := &'a ()`, // it is ambiguous whether `Opaque<'a> := &'a ()` or `Opaque<'a> := &'static ()` mod mod4 { From ae547e30009635de6f8d6451cf8e355e5d5207b7 Mon Sep 17 00:00:00 2001 From: blyxyas Date: Sat, 18 May 2024 18:08:11 +0200 Subject: [PATCH 0210/1716] Fix typos (taking into account review comments) --- clippy_lints/src/methods/needless_collect.rs | 2 +- tests/ui/ptr_arg.rs | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/clippy_lints/src/methods/needless_collect.rs b/clippy_lints/src/methods/needless_collect.rs index 1c695655536c..f26f164fa54a 100644 --- a/clippy_lints/src/methods/needless_collect.rs +++ b/clippy_lints/src/methods/needless_collect.rs @@ -127,7 +127,7 @@ pub(super) fn check<'tcx>( } } -/// checks for for collecting into a (generic) method or function argument +/// checks for collecting into a (generic) method or function argument /// taking an `IntoIterator` fn check_collect_into_intoiterator<'tcx>( cx: &LateContext<'tcx>, diff --git a/tests/ui/ptr_arg.rs b/tests/ui/ptr_arg.rs index fcd716f41444..5d6e488972cd 100644 --- a/tests/ui/ptr_arg.rs +++ b/tests/ui/ptr_arg.rs @@ -282,7 +282,7 @@ mod issue_9218 { todo!() } - // These two's return types don't use use 'a so it's not okay + // These two's return types don't use 'a so it's not okay fn cow_bad_ret_ty_1<'a>(input: &'a Cow<'a, str>) -> &'static str { //~^ ERROR: using a reference to `Cow` is not recommended todo!() From 2e97dae8d468623474d05dd84c270583ec3ed374 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sat, 18 May 2024 12:40:36 -0400 Subject: [PATCH 0211/1716] An async closure may implement FnMut/Fn if it has no self-borrows --- compiler/rustc_middle/src/ty/sty.rs | 39 +++++++++++++++++++ .../src/solve/assembly/structural_traits.rs | 13 +++---- .../src/traits/select/candidate_assembly.rs | 15 ++----- .../async-closures/implements-fnmut.rs | 23 +++++++++++ 4 files changed, 70 insertions(+), 20 deletions(-) create mode 100644 tests/ui/async-await/async-closures/implements-fnmut.rs diff --git a/compiler/rustc_middle/src/ty/sty.rs b/compiler/rustc_middle/src/ty/sty.rs index 9dbcd938e6ed..6526bed5bdd6 100644 --- a/compiler/rustc_middle/src/ty/sty.rs +++ b/compiler/rustc_middle/src/ty/sty.rs @@ -401,6 +401,45 @@ impl<'tcx> CoroutineClosureArgs<'tcx> { pub fn coroutine_witness_ty(self) -> Ty<'tcx> { self.split().coroutine_witness_ty } + + pub fn has_self_borrows(&self) -> bool { + match self.coroutine_captures_by_ref_ty().kind() { + ty::FnPtr(sig) => sig + .skip_binder() + .visit_with(&mut HasRegionsBoundAt { binder: ty::INNERMOST }) + .is_break(), + ty::Error(_) => true, + _ => bug!(), + } + } +} +/// Unlike `has_escaping_bound_vars` or `outermost_exclusive_binder`, this will +/// detect only regions bound *at* the debruijn index. +struct HasRegionsBoundAt { + binder: ty::DebruijnIndex, +} +// FIXME: Could be optimized to not walk into components with no escaping bound vars. +impl<'tcx> TypeVisitor> for HasRegionsBoundAt { + type Result = ControlFlow<()>; + fn visit_binder>>( + &mut self, + t: &ty::Binder<'tcx, T>, + ) -> Self::Result { + self.binder.shift_in(1); + t.super_visit_with(self)?; + self.binder.shift_out(1); + ControlFlow::Continue(()) + } + + fn visit_region(&mut self, r: ty::Region<'tcx>) -> Self::Result { + if let ty::ReBound(binder, _) = *r + && self.binder == binder + { + ControlFlow::Break(()) + } else { + ControlFlow::Continue(()) + } + } } #[derive(Copy, Clone, PartialEq, Eq, Debug, TypeFoldable, TypeVisitable)] diff --git a/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs b/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs index 90cc33e0275b..f5e397f12d2d 100644 --- a/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs +++ b/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs @@ -300,14 +300,11 @@ pub(in crate::solve) fn extract_tupled_inputs_and_output_from_callable<'tcx>( return Err(NoSolution); } - // If `Fn`/`FnMut`, we only implement this goal if we - // have no captures. - let no_borrows = match args.tupled_upvars_ty().kind() { - ty::Tuple(tys) => tys.is_empty(), - ty::Error(_) => false, - _ => bug!("tuple_fields called on non-tuple"), - }; - if closure_kind != ty::ClosureKind::FnOnce && !no_borrows { + // A coroutine-closure implements `FnOnce` *always*, since it may + // always be called once. It additionally implements `Fn`/`FnMut` + // only if it has no upvars referencing the closure-env lifetime, + // and if the closure kind permits it. + if closure_kind != ty::ClosureKind::FnOnce && args.has_self_borrows() { return Err(NoSolution); } diff --git a/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs b/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs index b9e853a06787..fd7c47ad6fb3 100644 --- a/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs +++ b/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs @@ -418,20 +418,11 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { // Ambiguity if upvars haven't been constrained yet && !args.tupled_upvars_ty().is_ty_var() { - let no_borrows = match args.tupled_upvars_ty().kind() { - ty::Tuple(tys) => tys.is_empty(), - ty::Error(_) => false, - _ => bug!("tuple_fields called on non-tuple"), - }; // A coroutine-closure implements `FnOnce` *always*, since it may // always be called once. It additionally implements `Fn`/`FnMut` - // only if it has no upvars (therefore no borrows from the closure - // that would need to be represented with a lifetime) and if the - // closure kind permits it. - // FIXME(async_closures): Actually, it could also implement `Fn`/`FnMut` - // if it takes all of its upvars by copy, and none by ref. This would - // require us to record a bit more information during upvar analysis. - if no_borrows && closure_kind.extends(kind) { + // only if it has no upvars referencing the closure-env lifetime, + // and if the closure kind permits it. + if closure_kind.extends(kind) && !args.has_self_borrows() { candidates.vec.push(ClosureCandidate { is_const }); } else if kind == ty::ClosureKind::FnOnce { candidates.vec.push(ClosureCandidate { is_const }); diff --git a/tests/ui/async-await/async-closures/implements-fnmut.rs b/tests/ui/async-await/async-closures/implements-fnmut.rs new file mode 100644 index 000000000000..1ed326cd0618 --- /dev/null +++ b/tests/ui/async-await/async-closures/implements-fnmut.rs @@ -0,0 +1,23 @@ +//@ check-pass +//@ edition: 2021 + +// Demonstrates that an async closure may implement `FnMut` (not just `async FnMut`!) +// if it has no self-borrows. In this case, `&Ty` is not borrowed from the closure env, +// since it's fine to reborrow it with its original lifetime. See the doc comment on +// `should_reborrow_from_env_of_parent_coroutine_closure` for more detail for when we +// must borrow from the closure env. + +#![feature(async_closure)] + +fn main() {} + +fn needs_fn_mut(x: impl FnMut() -> T) {} + +fn hello(x: &Ty) { + needs_fn_mut(async || { x.hello(); }); +} + +struct Ty; +impl Ty { + fn hello(&self) {} +} From 5ee4db4e05ecb845fa99b8863a080014f7ada9cb Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Fri, 19 Apr 2024 22:54:53 -0400 Subject: [PATCH 0212/1716] Warn/error on self ctor from outer item in inner item --- compiler/rustc_hir_typeck/messages.ftl | 4 + compiler/rustc_hir_typeck/src/errors.rs | 28 ++++++ .../rustc_hir_typeck/src/fn_ctxt/_impl.rs | 40 ++++++++- compiler/rustc_lint_defs/src/builtin.rs | 42 +++++++++ .../do-not-ice-on-note_and_explain.rs | 17 ++-- .../do-not-ice-on-note_and_explain.stderr | 85 ++----------------- tests/ui/self/self-ctor-nongeneric.rs | 4 + tests/ui/self/self-ctor-nongeneric.stderr | 27 ++++++ tests/ui/self/self-ctor.rs | 14 +++ tests/ui/self/self-ctor.stderr | 21 +++++ 10 files changed, 199 insertions(+), 83 deletions(-) create mode 100644 tests/ui/self/self-ctor-nongeneric.stderr create mode 100644 tests/ui/self/self-ctor.rs create mode 100644 tests/ui/self/self-ctor.stderr diff --git a/compiler/rustc_hir_typeck/messages.ftl b/compiler/rustc_hir_typeck/messages.ftl index 72b95a9603dd..6f499947d5cd 100644 --- a/compiler/rustc_hir_typeck/messages.ftl +++ b/compiler/rustc_hir_typeck/messages.ftl @@ -137,6 +137,10 @@ hir_typeck_rpit_change_return_type = you could change the return type to be a bo hir_typeck_rustcall_incorrect_args = functions with the "rust-call" ABI must take a single non-self tuple argument +hir_typeck_self_ctor_from_outer_item = can't reference `Self` constructor from outer item + .label = the inner item doesn't inherit generics from this impl, so `Self` is invalid to reference + .suggestion = replace `Self` with the actual type + hir_typeck_struct_expr_non_exhaustive = cannot create non-exhaustive {$what} using struct expression diff --git a/compiler/rustc_hir_typeck/src/errors.rs b/compiler/rustc_hir_typeck/src/errors.rs index f250b909596e..3f12f2526545 100644 --- a/compiler/rustc_hir_typeck/src/errors.rs +++ b/compiler/rustc_hir_typeck/src/errors.rs @@ -651,3 +651,31 @@ pub enum SuggestBoxingForReturnImplTrait { ends: Vec, }, } + +#[derive(Diagnostic)] +#[diag(hir_typeck_self_ctor_from_outer_item, code = E0401)] +pub struct SelfCtorFromOuterItem { + #[primary_span] + pub span: Span, + #[label] + pub impl_span: Span, + #[subdiagnostic] + pub sugg: Option, +} + +#[derive(LintDiagnostic)] +#[diag(hir_typeck_self_ctor_from_outer_item)] +pub struct SelfCtorFromOuterItemLint { + #[label] + pub impl_span: Span, + #[subdiagnostic] + pub sugg: Option, +} + +#[derive(Subdiagnostic)] +#[suggestion(hir_typeck_suggestion, code = "{name}", applicability = "machine-applicable")] +pub struct ReplaceWithName { + #[primary_span] + pub span: Span, + pub name: String, +} diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs index 6e8ef0444521..dc927e667659 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs @@ -1,5 +1,5 @@ use crate::callee::{self, DeferredCallResolution}; -use crate::errors::CtorIsPrivate; +use crate::errors::{self, CtorIsPrivate}; use crate::method::{self, MethodCallee, SelfSource}; use crate::rvalue_scopes; use crate::{BreakableCtxt, Diverges, Expectation, FnCtxt, LoweredTy}; @@ -21,6 +21,7 @@ use rustc_hir_analysis::hir_ty_lowering::{ use rustc_infer::infer::canonical::{Canonical, OriginalQueryValues, QueryResponse}; use rustc_infer::infer::error_reporting::TypeAnnotationNeeded::E0282; use rustc_infer::infer::{DefineOpaqueTypes, InferResult}; +use rustc_lint::builtin::SELF_CONSTRUCTOR_FROM_OUTER_ITEM; use rustc_middle::ty::adjustment::{Adjust, Adjustment, AutoBorrow, AutoBorrowMutability}; use rustc_middle::ty::error::TypeError; use rustc_middle::ty::fold::TypeFoldable; @@ -1162,6 +1163,43 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { span, tcx.at(span).type_of(impl_def_id).instantiate_identity(), ); + + // Firstly, check that this SelfCtor even comes from the item we're currently + // typechecking. This can happen because we never validated the resolution of + // SelfCtors, and when we started doing so, we noticed regressions. After + // sufficiently long time, we can remove this check and turn it into a hard + // error in `validate_res_from_ribs` -- it's just difficult to tell whether the + // self type has any generic types during rustc_resolve, which is what we use + // to determine if this is a hard error or warning. + if std::iter::successors(Some(self.body_id.to_def_id()), |def_id| { + self.tcx.generics_of(def_id).parent + }) + .all(|def_id| def_id != impl_def_id) + { + let sugg = ty.normalized.ty_adt_def().map(|def| errors::ReplaceWithName { + span: path_span, + name: self.tcx.item_name(def.did()).to_ident_string(), + }); + if ty.raw.has_param() { + let guar = self.tcx.dcx().emit_err(errors::SelfCtorFromOuterItem { + span: path_span, + impl_span: tcx.def_span(impl_def_id), + sugg, + }); + return (Ty::new_error(self.tcx, guar), res); + } else { + self.tcx.emit_node_span_lint( + SELF_CONSTRUCTOR_FROM_OUTER_ITEM, + hir_id, + path_span, + errors::SelfCtorFromOuterItemLint { + impl_span: tcx.def_span(impl_def_id), + sugg, + }, + ); + } + } + match ty.normalized.ty_adt_def() { Some(adt_def) if adt_def.has_ctor() => { let (ctor_kind, ctor_def_id) = adt_def.non_enum_variant().ctor.unwrap(); diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs index 536945457724..3ddf7f9e6c02 100644 --- a/compiler/rustc_lint_defs/src/builtin.rs +++ b/compiler/rustc_lint_defs/src/builtin.rs @@ -90,6 +90,7 @@ declare_lint_pass! { RUST_2021_PREFIXES_INCOMPATIBLE_SYNTAX, RUST_2021_PRELUDE_COLLISIONS, RUST_2024_INCOMPATIBLE_PAT, + SELF_CONSTRUCTOR_FROM_OUTER_ITEM, SEMICOLON_IN_EXPRESSIONS_FROM_MACROS, SINGLE_USE_LIFETIMES, SOFT_UNSTABLE, @@ -3149,6 +3150,47 @@ declare_lint! { "detects `#[unstable]` on stable trait implementations for stable types" } +declare_lint! { + /// The `self_constructor_from_outer_item` lint detects cases where the `Self` constructor + /// was silently allowed due to a bug in the resolver, and which may produce surprising + /// and unintended behavior. + /// + /// Using a `Self` type alias from an outer item was never intended, but was silently allowed. + /// This is deprecated -- and is a hard error when the `Self` type alias references generics + /// that are not in scope. + /// + /// ### Example + /// + /// ```rust,compile_fail + /// #![deny(self_constructor_from_outer_item)] + /// + /// struct S0(usize); + /// + /// impl S0 { + /// fn foo() { + /// const C: S0 = Self(0); + /// fn bar() -> S0 { + /// Self(0) + /// } + /// } + /// } + /// ``` + /// + /// {{produces}} + /// + /// ### Explanation + /// + /// The `Self` type alias should not be reachable because nested items are not associated with + /// the scope of the parameters from the parent item. + pub SELF_CONSTRUCTOR_FROM_OUTER_ITEM, + Warn, + "detect unsupported use of `Self` from outer item", + @future_incompatible = FutureIncompatibleInfo { + reason: FutureIncompatibilityReason::FutureReleaseErrorDontReportInDeps, + reference: "issue #124186 ", + }; +} + declare_lint! { /// The `semicolon_in_expressions_from_macros` lint detects trailing semicolons /// in macro bodies when the macro is invoked in expression position. diff --git a/tests/ui/malformed/do-not-ice-on-note_and_explain.rs b/tests/ui/malformed/do-not-ice-on-note_and_explain.rs index e65276fb738d..be0b18a00d28 100644 --- a/tests/ui/malformed/do-not-ice-on-note_and_explain.rs +++ b/tests/ui/malformed/do-not-ice-on-note_and_explain.rs @@ -1,7 +1,12 @@ struct A(B); -implA{fn d(){fn d(){Self(1)}}} -//~^ ERROR the size for values of type `B` cannot be known at compilation time -//~| ERROR the size for values of type `B` cannot be known at compilation time -//~| ERROR mismatched types -//~| ERROR mismatched types -//~| ERROR `main` function not found in crate + +impl A { + fn d() { + fn d() { + Self(1) + //~^ ERROR can't reference `Self` constructor from outer item + } + } +} + +fn main() {} diff --git a/tests/ui/malformed/do-not-ice-on-note_and_explain.stderr b/tests/ui/malformed/do-not-ice-on-note_and_explain.stderr index 41d0f17366b1..11a8c01e4909 100644 --- a/tests/ui/malformed/do-not-ice-on-note_and_explain.stderr +++ b/tests/ui/malformed/do-not-ice-on-note_and_explain.stderr @@ -1,79 +1,12 @@ -error[E0601]: `main` function not found in crate `do_not_ice_on_note_and_explain` - --> $DIR/do-not-ice-on-note_and_explain.rs:2:37 +error[E0401]: can't reference `Self` constructor from outer item + --> $DIR/do-not-ice-on-note_and_explain.rs:6:13 | -LL | implA{fn d(){fn d(){Self(1)}}} - | ^ consider adding a `main` function to `$DIR/do-not-ice-on-note_and_explain.rs` +LL | impl A { + | ------------ the inner item doesn't inherit generics from this impl, so `Self` is invalid to reference +... +LL | Self(1) + | ^^^^ help: replace `Self` with the actual type: `A` -error[E0277]: the size for values of type `B` cannot be known at compilation time - --> $DIR/do-not-ice-on-note_and_explain.rs:2:32 - | -LL | implA{fn d(){fn d(){Self(1)}}} - | - ---- ^ doesn't have a size known at compile-time - | | | - | | required by a bound introduced by this call - | this type parameter needs to be `Sized` - | -note: required by a bound in `A` - --> $DIR/do-not-ice-on-note_and_explain.rs:1:10 - | -LL | struct A(B); - | ^ required by this bound in `A` +error: aborting due to 1 previous error -error[E0308]: mismatched types - --> $DIR/do-not-ice-on-note_and_explain.rs:2:32 - | -LL | implA{fn d(){fn d(){Self(1)}}} - | ---- ^ expected type parameter `B`, found integer - | | - | arguments to this function are incorrect - | - = note: expected type parameter `B` - found type `{integer}` -note: tuple struct defined here - --> $DIR/do-not-ice-on-note_and_explain.rs:1:8 - | -LL | struct A(B); - | ^ - -error[E0308]: mismatched types - --> $DIR/do-not-ice-on-note_and_explain.rs:2:27 - | -LL | implA{fn d(){fn d(){Self(1)}}} - | ^^^^^^^ expected `()`, found `A` - | - = note: expected unit type `()` - found struct `A` -help: consider using a semicolon here - | -LL | implA{fn d(){fn d(){Self(1);}}} - | + -help: try adding a return type - | -LL | implA{fn d(){fn d() -> A{Self(1)}}} - | +++++++ - -error[E0277]: the size for values of type `B` cannot be known at compilation time - --> $DIR/do-not-ice-on-note_and_explain.rs:2:27 - | -LL | implA{fn d(){fn d(){Self(1)}}} - | - ^^^^^^^ doesn't have a size known at compile-time - | | - | this type parameter needs to be `Sized` - | -note: required by an implicit `Sized` bound in `A` - --> $DIR/do-not-ice-on-note_and_explain.rs:1:10 - | -LL | struct A(B); - | ^ required by the implicit `Sized` requirement on this type parameter in `A` -help: you could relax the implicit `Sized` bound on `B` if it were used through indirection like `&B` or `Box` - --> $DIR/do-not-ice-on-note_and_explain.rs:1:10 - | -LL | struct A(B); - | ^ - ...if indirection were used here: `Box` - | | - | this could be changed to `B: ?Sized`... - -error: aborting due to 5 previous errors - -Some errors have detailed explanations: E0277, E0308, E0601. -For more information about an error, try `rustc --explain E0277`. +For more information about this error, try `rustc --explain E0401`. diff --git a/tests/ui/self/self-ctor-nongeneric.rs b/tests/ui/self/self-ctor-nongeneric.rs index 0594e87a0a46..c32cf9df6946 100644 --- a/tests/ui/self/self-ctor-nongeneric.rs +++ b/tests/ui/self/self-ctor-nongeneric.rs @@ -6,8 +6,12 @@ struct S0(usize); impl S0 { fn foo() { const C: S0 = Self(0); + //~^ WARN can't reference `Self` constructor from outer item + //~| WARN this was previously accepted by the compiler but is being phased out fn bar() -> S0 { Self(0) + //~^ WARN can't reference `Self` constructor from outer item + //~| WARN this was previously accepted by the compiler but is being phased out } } } diff --git a/tests/ui/self/self-ctor-nongeneric.stderr b/tests/ui/self/self-ctor-nongeneric.stderr new file mode 100644 index 000000000000..6c03c6f3e38a --- /dev/null +++ b/tests/ui/self/self-ctor-nongeneric.stderr @@ -0,0 +1,27 @@ +warning: can't reference `Self` constructor from outer item + --> $DIR/self-ctor-nongeneric.rs:8:23 + | +LL | impl S0 { + | ------- the inner item doesn't inherit generics from this impl, so `Self` is invalid to reference +LL | fn foo() { +LL | const C: S0 = Self(0); + | ^^^^ help: replace `Self` with the actual type: `S0` + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #124186 + = note: `#[warn(self_constructor_from_outer_item)]` on by default + +warning: can't reference `Self` constructor from outer item + --> $DIR/self-ctor-nongeneric.rs:12:13 + | +LL | impl S0 { + | ------- the inner item doesn't inherit generics from this impl, so `Self` is invalid to reference +... +LL | Self(0) + | ^^^^ help: replace `Self` with the actual type: `S0` + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #124186 + +warning: 2 warnings emitted + diff --git a/tests/ui/self/self-ctor.rs b/tests/ui/self/self-ctor.rs new file mode 100644 index 000000000000..d166499f8841 --- /dev/null +++ b/tests/ui/self/self-ctor.rs @@ -0,0 +1,14 @@ +struct S0(T); + +impl S0 { + fn foo() { + const C: S0 = Self(0); + //~^ ERROR can't reference `Self` constructor from outer item + fn bar() -> S0 { + Self(0) + //~^ ERROR can't reference `Self` constructor from outer item + } + } +} + +fn main() {} diff --git a/tests/ui/self/self-ctor.stderr b/tests/ui/self/self-ctor.stderr new file mode 100644 index 000000000000..0cb22baaa1a0 --- /dev/null +++ b/tests/ui/self/self-ctor.stderr @@ -0,0 +1,21 @@ +error[E0401]: can't reference `Self` constructor from outer item + --> $DIR/self-ctor.rs:5:28 + | +LL | impl S0 { + | ------------- the inner item doesn't inherit generics from this impl, so `Self` is invalid to reference +LL | fn foo() { +LL | const C: S0 = Self(0); + | ^^^^ help: replace `Self` with the actual type: `S0` + +error[E0401]: can't reference `Self` constructor from outer item + --> $DIR/self-ctor.rs:8:13 + | +LL | impl S0 { + | ------------- the inner item doesn't inherit generics from this impl, so `Self` is invalid to reference +... +LL | Self(0) + | ^^^^ help: replace `Self` with the actual type: `S0` + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0401`. From a25bb5f4acee081295ab83a31e57b98d8d559df0 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Fri, 19 Apr 2024 22:59:34 -0400 Subject: [PATCH 0213/1716] (Mostly) revert "Account for type param from other item in `note_and_explain`" This mostly reverts commit 7449478c2f6fd2d72c12a51d8562f1e6108facab. It also removes an `opt_param_at` that really is unnecessary given our ICE policy for malformed intrinsics. --- .../rustc_hir_analysis/src/check/intrinsic.rs | 5 +- .../infer/error_reporting/note_and_explain.rs | 105 +++++++----------- compiler/rustc_middle/src/ty/generics.rs | 28 ----- 3 files changed, 45 insertions(+), 93 deletions(-) diff --git a/compiler/rustc_hir_analysis/src/check/intrinsic.rs b/compiler/rustc_hir_analysis/src/check/intrinsic.rs index 00ff470a0a7d..7b9a5b84b432 100644 --- a/compiler/rustc_hir_analysis/src/check/intrinsic.rs +++ b/compiler/rustc_hir_analysis/src/check/intrinsic.rs @@ -164,9 +164,8 @@ pub fn check_intrinsic_type( ) { let generics = tcx.generics_of(intrinsic_id); let param = |n| { - if let Some(&ty::GenericParamDef { - name, kind: ty::GenericParamDefKind::Type { .. }, .. - }) = generics.opt_param_at(n as usize, tcx) + if let &ty::GenericParamDef { name, kind: ty::GenericParamDefKind::Type { .. }, .. } = + generics.param_at(n as usize, tcx) { Ty::new_param(tcx, n, name) } else { diff --git a/compiler/rustc_infer/src/infer/error_reporting/note_and_explain.rs b/compiler/rustc_infer/src/infer/error_reporting/note_and_explain.rs index c24ad1fa1e73..7ccb78a7d0b4 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/note_and_explain.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/note_and_explain.rs @@ -54,17 +54,13 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { } (ty::Param(expected), ty::Param(found)) => { let generics = tcx.generics_of(body_owner_def_id); - if let Some(param) = generics.opt_type_param(expected, tcx) { - let e_span = tcx.def_span(param.def_id); - if !sp.contains(e_span) { - diag.span_label(e_span, "expected type parameter"); - } + let e_span = tcx.def_span(generics.type_param(expected, tcx).def_id); + if !sp.contains(e_span) { + diag.span_label(e_span, "expected type parameter"); } - if let Some(param) = generics.opt_type_param(found, tcx) { - let f_span = tcx.def_span(param.def_id); - if !sp.contains(f_span) { - diag.span_label(f_span, "found type parameter"); - } + let f_span = tcx.def_span(generics.type_param(found, tcx).def_id); + if !sp.contains(f_span) { + diag.span_label(f_span, "found type parameter"); } diag.note( "a type parameter was expected, but a different one was found; \ @@ -87,29 +83,22 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { | (ty::Alias(ty::Projection, proj), ty::Param(p)) if !tcx.is_impl_trait_in_trait(proj.def_id) => { - let parent = tcx - .generics_of(body_owner_def_id) - .opt_type_param(p, tcx) - .and_then(|param| { - let p_def_id = param.def_id; - let p_span = tcx.def_span(p_def_id); - let expected = match (values.expected.kind(), values.found.kind()) { - (ty::Param(_), _) => "expected ", - (_, ty::Param(_)) => "found ", - _ => "", - }; - if !sp.contains(p_span) { - diag.span_label( - p_span, - format!("{expected}this type parameter"), - ); - } - p_def_id.as_local().and_then(|id| { - let local_id = tcx.local_def_id_to_hir_id(id); - let generics = tcx.parent_hir_node(local_id).generics()?; - Some((id, generics)) - }) - }); + let param = tcx.generics_of(body_owner_def_id).type_param(p, tcx); + let p_def_id = param.def_id; + let p_span = tcx.def_span(p_def_id); + let expected = match (values.expected.kind(), values.found.kind()) { + (ty::Param(_), _) => "expected ", + (_, ty::Param(_)) => "found ", + _ => "", + }; + if !sp.contains(p_span) { + diag.span_label(p_span, format!("{expected}this type parameter")); + } + let parent = p_def_id.as_local().and_then(|id| { + let local_id = tcx.local_def_id_to_hir_id(id); + let generics = tcx.parent_hir_node(local_id).generics()?; + Some((id, generics)) + }); let mut note = true; if let Some((local_id, generics)) = parent { // Synthesize the associated type restriction `Add`. @@ -183,16 +172,14 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { (ty::Param(p), ty::Dynamic(..) | ty::Alias(ty::Opaque, ..)) | (ty::Dynamic(..) | ty::Alias(ty::Opaque, ..), ty::Param(p)) => { let generics = tcx.generics_of(body_owner_def_id); - if let Some(param) = generics.opt_type_param(p, tcx) { - let p_span = tcx.def_span(param.def_id); - let expected = match (values.expected.kind(), values.found.kind()) { - (ty::Param(_), _) => "expected ", - (_, ty::Param(_)) => "found ", - _ => "", - }; - if !sp.contains(p_span) { - diag.span_label(p_span, format!("{expected}this type parameter")); - } + let p_span = tcx.def_span(generics.type_param(p, tcx).def_id); + let expected = match (values.expected.kind(), values.found.kind()) { + (ty::Param(_), _) => "expected ", + (_, ty::Param(_)) => "found ", + _ => "", + }; + if !sp.contains(p_span) { + diag.span_label(p_span, format!("{expected}this type parameter")); } diag.help("type parameters must be constrained to match other types"); if tcx.sess.teach(diag.code.unwrap()) { @@ -233,11 +220,9 @@ impl Trait for X { ty::Closure(..) | ty::CoroutineClosure(..) | ty::Coroutine(..), ) => { let generics = tcx.generics_of(body_owner_def_id); - if let Some(param) = generics.opt_type_param(p, tcx) { - let p_span = tcx.def_span(param.def_id); - if !sp.contains(p_span) { - diag.span_label(p_span, "expected this type parameter"); - } + let p_span = tcx.def_span(generics.type_param(p, tcx).def_id); + if !sp.contains(p_span) { + diag.span_label(p_span, "expected this type parameter"); } diag.help(format!( "every closure has a distinct type and so could not always match the \ @@ -246,16 +231,14 @@ impl Trait for X { } (ty::Param(p), _) | (_, ty::Param(p)) => { let generics = tcx.generics_of(body_owner_def_id); - if let Some(param) = generics.opt_type_param(p, tcx) { - let p_span = tcx.def_span(param.def_id); - let expected = match (values.expected.kind(), values.found.kind()) { - (ty::Param(_), _) => "expected ", - (_, ty::Param(_)) => "found ", - _ => "", - }; - if !sp.contains(p_span) { - diag.span_label(p_span, format!("{expected}this type parameter")); - } + let p_span = tcx.def_span(generics.type_param(p, tcx).def_id); + let expected = match (values.expected.kind(), values.found.kind()) { + (ty::Param(_), _) => "expected ", + (_, ty::Param(_)) => "found ", + _ => "", + }; + if !sp.contains(p_span) { + diag.span_label(p_span, format!("{expected}this type parameter")); } } (ty::Alias(ty::Projection | ty::Inherent, proj_ty), _) @@ -545,10 +528,8 @@ impl Trait for X { return false; }; let generics = tcx.generics_of(body_owner_def_id); - let Some(param) = generics.opt_type_param(param_ty, tcx) else { - return false; - }; - let Some(def_id) = param.def_id.as_local() else { + let def_id = generics.type_param(param_ty, tcx).def_id; + let Some(def_id) = def_id.as_local() else { return false; }; diff --git a/compiler/rustc_middle/src/ty/generics.rs b/compiler/rustc_middle/src/ty/generics.rs index 04655c5d20ba..0b447b28cd4c 100644 --- a/compiler/rustc_middle/src/ty/generics.rs +++ b/compiler/rustc_middle/src/ty/generics.rs @@ -244,20 +244,6 @@ impl<'tcx> Generics { } } - /// Returns the `GenericParamDef` with the given index if available. - pub fn opt_param_at( - &'tcx self, - param_index: usize, - tcx: TyCtxt<'tcx>, - ) -> Option<&'tcx GenericParamDef> { - if let Some(index) = param_index.checked_sub(self.parent_count) { - self.own_params.get(index) - } else { - tcx.generics_of(self.parent.expect("parent_count > 0 but no parent?")) - .opt_param_at(param_index, tcx) - } - } - pub fn params_to(&'tcx self, param_index: usize, tcx: TyCtxt<'tcx>) -> &'tcx [GenericParamDef] { if let Some(index) = param_index.checked_sub(self.parent_count) { &self.own_params[..index] @@ -289,20 +275,6 @@ impl<'tcx> Generics { } } - /// Returns the `GenericParamDef` associated with this `ParamTy` if it belongs to this - /// `Generics`. - pub fn opt_type_param( - &'tcx self, - param: ParamTy, - tcx: TyCtxt<'tcx>, - ) -> Option<&'tcx GenericParamDef> { - let param = self.opt_param_at(param.index as usize, tcx)?; - match param.kind { - GenericParamDefKind::Type { .. } => Some(param), - _ => None, - } - } - /// Returns the `GenericParamDef` associated with this `ParamConst`. pub fn const_param(&'tcx self, param: ParamConst, tcx: TyCtxt<'tcx>) -> &GenericParamDef { let param = self.param_at(param.index as usize, tcx); From 734e216b35e3539994e090f0c293d8610c03dc88 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Matthias=20Kr=C3=BCger?= Date: Sat, 18 May 2024 23:56:57 +0200 Subject: [PATCH 0214/1716] crashes: add more --- tests/crashes/124833.rs | 10 ++++++++++ tests/crashes/124857.rs | 11 +++++++++++ tests/crashes/124891.rs | 22 ++++++++++++++++++++++ tests/crashes/124894.rs | 11 +++++++++++ tests/crashes/125081.rs | 7 +++++++ tests/crashes/125099.rs | 24 ++++++++++++++++++++++++ tests/crashes/125155.rs | 17 +++++++++++++++++ tests/crashes/125185.rs | 16 ++++++++++++++++ tests/crashes/125249.rs | 8 ++++++++ 9 files changed, 126 insertions(+) create mode 100644 tests/crashes/124833.rs create mode 100644 tests/crashes/124857.rs create mode 100644 tests/crashes/124891.rs create mode 100644 tests/crashes/124894.rs create mode 100644 tests/crashes/125081.rs create mode 100644 tests/crashes/125099.rs create mode 100644 tests/crashes/125155.rs create mode 100644 tests/crashes/125185.rs create mode 100644 tests/crashes/125249.rs diff --git a/tests/crashes/124833.rs b/tests/crashes/124833.rs new file mode 100644 index 000000000000..f1c4847b544a --- /dev/null +++ b/tests/crashes/124833.rs @@ -0,0 +1,10 @@ +//@ known-bug: rust-lang/rust#124833 +#![feature(generic_const_items)] + +trait Trait { + const C<'a>: &'a str; +} + +impl Trait for () { + const C<'a>: = "C"; +} diff --git a/tests/crashes/124857.rs b/tests/crashes/124857.rs new file mode 100644 index 000000000000..4b952fd64ccf --- /dev/null +++ b/tests/crashes/124857.rs @@ -0,0 +1,11 @@ +//@ known-bug: rust-lang/rust#124857 +//@ compile-flags: -Znext-solver=coherence + +#![feature(effects)] + +#[const_trait] +trait Foo {} + +impl const Foo for i32 {} + +impl const Foo for T where T: ~const Foo {} diff --git a/tests/crashes/124891.rs b/tests/crashes/124891.rs new file mode 100644 index 000000000000..9b5892418c89 --- /dev/null +++ b/tests/crashes/124891.rs @@ -0,0 +1,22 @@ +//@ known-bug: rust-lang/rust#124891 + +type Tait = impl FnOnce() -> (); + +fn reify_as_tait() -> Thunk { + Thunk::new(|cont| cont) +} + +struct Thunk(F); + +impl Thunk { + fn new(f: F) + where + F: ContFn, + { + todo!(); + } +} + +trait ContFn {} + +impl ()> ContFn for F {} diff --git a/tests/crashes/124894.rs b/tests/crashes/124894.rs new file mode 100644 index 000000000000..230cf4a89c15 --- /dev/null +++ b/tests/crashes/124894.rs @@ -0,0 +1,11 @@ +//@ known-bug: rust-lang/rust#124894 +//@ compile-flags: -Znext-solver=coherence + +#![feature(generic_const_exprs)] + +pub trait IsTrue {} +impl IsZST for T where (): IsTrue<{ std::mem::size_of::() == 0 }> {} + +pub trait IsZST {} + +impl IsZST for IsZST {} diff --git a/tests/crashes/125081.rs b/tests/crashes/125081.rs new file mode 100644 index 000000000000..7139caaa00df --- /dev/null +++ b/tests/crashes/125081.rs @@ -0,0 +1,7 @@ +//@ known-bug: rust-lang/rust#125081 + +use std::cell::Cell; + +fn main() { + let _: Cell<&str, "a"> = Cell::new('β); +} diff --git a/tests/crashes/125099.rs b/tests/crashes/125099.rs new file mode 100644 index 000000000000..bfc8c8fdcf68 --- /dev/null +++ b/tests/crashes/125099.rs @@ -0,0 +1,24 @@ +//@ known-bug: rust-lang/rust#125099 + +pub trait ContFn: Fn(T) -> Self::Future { + type Future; +} +impl ContFn for F +where + F: Fn(T), +{ + type Future = (); +} + +pub trait SeqHandler { + type Requires; + fn process>() -> impl Sized; +} + +pub struct ConvertToU64; +impl SeqHandler for ConvertToU64 { + type Requires = u64; + fn process>() -> impl Sized {} +} + +fn main() {} diff --git a/tests/crashes/125155.rs b/tests/crashes/125155.rs new file mode 100644 index 000000000000..165061d4b529 --- /dev/null +++ b/tests/crashes/125155.rs @@ -0,0 +1,17 @@ +//@ known-bug: rust-lang/rust#125155 + +enum NestedEnum { + First, + Second, + Third +} +enum Enum { + Variant2(Option<*mut &'a &'b ()>) +} + + +fn foo(x: Enum) -> isize { + match x { + Enum::Variant2(NestedEnum::Third) => 4, + } +} diff --git a/tests/crashes/125185.rs b/tests/crashes/125185.rs new file mode 100644 index 000000000000..8693d6c7662b --- /dev/null +++ b/tests/crashes/125185.rs @@ -0,0 +1,16 @@ +//@ known-bug: rust-lang/rust#125185 +//@ compile-flags: -Zvalidate-mir + +type Foo = impl Send; + +struct A; + +const VALUE: Foo = value(); + +fn test(foo: Foo<'a>, f: impl for<'b> FnMut()) { + match VALUE { + 0 | 0 => {} + + _ => (), + } +} diff --git a/tests/crashes/125249.rs b/tests/crashes/125249.rs new file mode 100644 index 000000000000..18196d7b34fe --- /dev/null +++ b/tests/crashes/125249.rs @@ -0,0 +1,8 @@ +//@ known-bug: rust-lang/rust#125185 +#![feature(return_position_impl_trait_in_trait, return_type_notation)] + +trait IntFactory { + fn stream(&self) -> impl IntFactory + Send>; +} + +pub fn main() {} From b5cf8b8277fc39bf398f620c8f6d50b56821155c Mon Sep 17 00:00:00 2001 From: Michael Howell Date: Sat, 18 May 2024 14:34:52 -0700 Subject: [PATCH 0215/1716] doc_lazy_continuation: do not warn on End events This avoids event spans that would otherwise cause crashes, since an End's span covers the range of the tag (which will be earlier than the line break within the tag). --- clippy_lints/src/doc/mod.rs | 3 ++- tests/ui/doc/doc_lazy_list.fixed | 35 +++++++++++++++++++++++++++++++ tests/ui/doc/doc_lazy_list.rs | 35 +++++++++++++++++++++++++++++++ tests/ui/doc/doc_lazy_list.stderr | 26 ++++++++++++++++++++++- 4 files changed, 97 insertions(+), 2 deletions(-) diff --git a/clippy_lints/src/doc/mod.rs b/clippy_lints/src/doc/mod.rs index 9ee4aad337d2..81c47d07c356 100644 --- a/clippy_lints/src/doc/mod.rs +++ b/clippy_lints/src/doc/mod.rs @@ -750,10 +750,11 @@ fn check_doc<'a, Events: Iterator, Range (), // We don't care about other tags SoftBreak | HardBreak => { if !containers.is_empty() - && let Some((_next_event, next_range)) = events.peek() + && let Some((next_event, next_range)) = events.peek() && let Some(next_span) = fragments.span(cx, next_range.clone()) && let Some(span) = fragments.span(cx, range.clone()) && !in_footnote_definition + && !matches!(next_event, End(_)) { lazy_continuation::check( cx, diff --git a/tests/ui/doc/doc_lazy_list.fixed b/tests/ui/doc/doc_lazy_list.fixed index e19371ea9aa2..409e6b0bc227 100644 --- a/tests/ui/doc/doc_lazy_list.fixed +++ b/tests/ui/doc/doc_lazy_list.fixed @@ -40,3 +40,38 @@ fn six() {} /// /// this is not a lazy continuation fn seven() {} + +#[rustfmt::skip] +// https://github.com/rust-lang/rust-clippy/pull/12770#issuecomment-2118601768 +/// Returns a list of ProtocolDescriptors from a Serde JSON input. +/// +/// Defined Protocol Identifiers for the Protocol Descriptor +/// We intentionally omit deprecated profile identifiers. +/// From Bluetooth Assigned Numbers: +/// https://www.bluetooth.com/specifications/assigned-numbers/service-discovery +/// +/// # Arguments +/// * `protocol_descriptors`: A Json Representation of the ProtocolDescriptors +/// to set up. Example: +/// 'protocol_descriptors': [ +//~^ ERROR: doc list item missing indentation +/// { +/// 'protocol': 25, # u64 Representation of ProtocolIdentifier::AVDTP +/// 'params': [ +/// { +/// 'data': 0x0103 # to indicate 1.3 +/// }, +/// { +/// 'data': 0x0105 # to indicate 1.5 +/// } +/// ] +/// }, +/// { +/// 'protocol': 1, # u64 Representation of ProtocolIdentifier::SDP +/// 'params': [{ +/// 'data': 0x0019 +/// }] +/// } +/// ] +//~^ ERROR: doc list item missing indentation +fn eight() {} diff --git a/tests/ui/doc/doc_lazy_list.rs b/tests/ui/doc/doc_lazy_list.rs index fdfe9afaf1d7..30ab448a1130 100644 --- a/tests/ui/doc/doc_lazy_list.rs +++ b/tests/ui/doc/doc_lazy_list.rs @@ -40,3 +40,38 @@ fn six() {} /// /// this is not a lazy continuation fn seven() {} + +#[rustfmt::skip] +// https://github.com/rust-lang/rust-clippy/pull/12770#issuecomment-2118601768 +/// Returns a list of ProtocolDescriptors from a Serde JSON input. +/// +/// Defined Protocol Identifiers for the Protocol Descriptor +/// We intentionally omit deprecated profile identifiers. +/// From Bluetooth Assigned Numbers: +/// https://www.bluetooth.com/specifications/assigned-numbers/service-discovery +/// +/// # Arguments +/// * `protocol_descriptors`: A Json Representation of the ProtocolDescriptors +/// to set up. Example: +/// 'protocol_descriptors': [ +//~^ ERROR: doc list item missing indentation +/// { +/// 'protocol': 25, # u64 Representation of ProtocolIdentifier::AVDTP +/// 'params': [ +/// { +/// 'data': 0x0103 # to indicate 1.3 +/// }, +/// { +/// 'data': 0x0105 # to indicate 1.5 +/// } +/// ] +/// }, +/// { +/// 'protocol': 1, # u64 Representation of ProtocolIdentifier::SDP +/// 'params': [{ +/// 'data': 0x0019 +/// }] +/// } +/// ] +//~^ ERROR: doc list item missing indentation +fn eight() {} diff --git a/tests/ui/doc/doc_lazy_list.stderr b/tests/ui/doc/doc_lazy_list.stderr index d0f6279f62d7..ddfdc49340c4 100644 --- a/tests/ui/doc/doc_lazy_list.stderr +++ b/tests/ui/doc/doc_lazy_list.stderr @@ -108,5 +108,29 @@ help: indent this line LL | /// and so should this | ++ -error: aborting due to 9 previous errors +error: doc list item missing indentation + --> tests/ui/doc/doc_lazy_list.rs:56:5 + | +LL | /// 'protocol_descriptors': [ + | ^ + | + = help: if this is supposed to be its own paragraph, add a blank line +help: indent this line + | +LL | /// 'protocol_descriptors': [ + | + + +error: doc list item missing indentation + --> tests/ui/doc/doc_lazy_list.rs:75:5 + | +LL | /// ] + | ^ + | + = help: if this is supposed to be its own paragraph, add a blank line +help: indent this line + | +LL | /// ] + | + + +error: aborting due to 11 previous errors From c585541e671bc76d60163356c435bfb32ef858b4 Mon Sep 17 00:00:00 2001 From: Joshua Wong Date: Fri, 12 Apr 2024 18:15:02 -0500 Subject: [PATCH 0216/1716] optimize in-place collection of `Vec` LLVM does not know that the multiplication never overflows, which causes it to generate unnecessary instructions. Use `usize::unchecked_mul`, so that it can fold the `dst_cap` calculation when `size_of::() == size_of::()`. Running: ``` rustc -C llvm-args=-x86-asm-syntax=intel -O src/lib.rs --emit asm` ``` ```rust pub struct Foo([usize; 3]); pub fn unwrap_copy(v: Vec) -> Vec<[usize; 3]> { v.into_iter().map(|f| f.0).collect() } ``` Before this commit: ``` define void @unwrap_copy(ptr noalias nocapture noundef writeonly sret([24 x i8]) align 8 dereferenceable(24) %_0, ptr noalias nocapture noundef readonly align 8 dereferenceable(24) %iter) { start: %me.sroa.0.0.copyload.i = load i64, ptr %iter, align 8 %me.sroa.4.0.self.sroa_idx.i = getelementptr inbounds i8, ptr %iter, i64 8 %me.sroa.4.0.copyload.i = load ptr, ptr %me.sroa.4.0.self.sroa_idx.i, align 8 %me.sroa.5.0.self.sroa_idx.i = getelementptr inbounds i8, ptr %iter, i64 16 %me.sroa.5.0.copyload.i = load i64, ptr %me.sroa.5.0.self.sroa_idx.i, align 8 %_19.i.idx = mul nsw i64 %me.sroa.5.0.copyload.i, 24 %0 = udiv i64 %_19.i.idx, 24 %_16.i.i = mul i64 %me.sroa.0.0.copyload.i, 24 %dst_cap.i.i = udiv i64 %_16.i.i, 24 store i64 %dst_cap.i.i, ptr %_0, align 8 %1 = getelementptr inbounds i8, ptr %_0, i64 8 store ptr %me.sroa.4.0.copyload.i, ptr %1, align 8 %2 = getelementptr inbounds i8, ptr %_0, i64 16 store i64 %0, ptr %2, align 8 ret void } ``` After: ``` define void @unwrap_copy(ptr noalias nocapture noundef writeonly sret([24 x i8]) align 8 dereferenceable(24) %_0, ptr noalias nocapture noundef readonly align 8 dereferenceable(24) %iter) { start: %me.sroa.0.0.copyload.i = load i64, ptr %iter, align 8 %me.sroa.4.0.self.sroa_idx.i = getelementptr inbounds i8, ptr %iter, i64 8 %me.sroa.4.0.copyload.i = load ptr, ptr %me.sroa.4.0.self.sroa_idx.i, align 8 %me.sroa.5.0.self.sroa_idx.i = getelementptr inbounds i8, ptr %iter, i64 16 %me.sroa.5.0.copyload.i = load i64, ptr %me.sroa.5.0.self.sroa_idx.i, align 8 %_19.i.idx = mul nsw i64 %me.sroa.5.0.copyload.i, 24 %0 = udiv i64 %_19.i.idx, 24 store i64 %me.sroa.0.0.copyload.i, ptr %_0, align 8 %1 = getelementptr inbounds i8, ptr %_0, i64 8 store ptr %me.sroa.4.0.copyload.i, ptr %1, align 8 %2 = getelementptr inbounds i8, ptr %_0, i64 16 store i64 %0, ptr %2, align 8, !alias.scope !9, !noalias !14 ret void } ``` Note that there is still one more `mul,udiv` pair that I couldn't get rid of. The root cause is the same issue as #121239, the `nuw` gets stripped off of `ptr::sub_ptr`. --- library/alloc/src/vec/in_place_collect.rs | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/library/alloc/src/vec/in_place_collect.rs b/library/alloc/src/vec/in_place_collect.rs index 88aa1b1b0e08..5b0fde93b91c 100644 --- a/library/alloc/src/vec/in_place_collect.rs +++ b/library/alloc/src/vec/in_place_collect.rs @@ -259,7 +259,8 @@ where inner.cap, inner.buf.cast::(), inner.end as *const T, - inner.cap * mem::size_of::() / mem::size_of::(), + // SAFETY: the multiplication can not overflow, since `inner.cap * size_of::()` is the size of the allocation. + inner.cap.unchecked_mul(mem::size_of::()) / mem::size_of::(), ) }; @@ -373,8 +374,10 @@ where // - unlike most internal iteration methods, it only takes a &mut self // - it lets us thread the write pointer through its innards and get it back in the end let sink = InPlaceDrop { inner: dst_buf, dst: dst_buf }; - let sink = - self.try_fold::<_, _, Result<_, !>>(sink, write_in_place_with_drop(end)).unwrap(); + let sink = match self.try_fold::<_, _, Result<_, !>>(sink, write_in_place_with_drop(end)) { + Ok(sink) => sink, + Err(never) => match never {}, + }; // iteration succeeded, don't drop head unsafe { ManuallyDrop::new(sink).dst.sub_ptr(dst_buf) } } From 6165dca6dbf66d45a373e08f16d1fc85f7be0ac7 Mon Sep 17 00:00:00 2001 From: Joshua Wong Date: Fri, 12 Apr 2024 18:36:31 -0500 Subject: [PATCH 0217/1716] optimize in_place_collect with vec::IntoIter::try_fold `Iterator::try_fold` gets called on the underlying Iterator in `SpecInPlaceCollect::collect_in_place` whenever it does not implement `TrustedRandomAccess`. For types that impl `Drop`, LLVM currently can't tell that the drop can never occur, when using the default `Iterator::try_fold` implementation. For example, the asm from the `unwrap_clone` method is currently: ``` unwrap_clone: push rbp push r15 push r14 push r13 push r12 push rbx push rax mov rbx, rdi mov r12, qword ptr [rsi] mov rdi, qword ptr [rsi + 8] mov rax, qword ptr [rsi + 16] movabs rsi, -6148914691236517205 mov r14, r12 test rax, rax je .LBB0_10 lea rcx, [rax + 2*rax] lea r14, [r12 + 8*rcx] shl rax, 3 lea rax, [rax + 2*rax] xor ecx, ecx .LBB0_2: cmp qword ptr [r12 + rcx], 0 je .LBB0_4 add rcx, 24 cmp rax, rcx jne .LBB0_2 jmp .LBB0_10 .LBB0_4: lea rdx, [rax - 24] lea r14, [r12 + rcx] cmp rdx, rcx je .LBB0_10 mov qword ptr [rsp], rdi sub rax, rcx add rax, -24 mul rsi mov r15, rdx lea rbp, [r12 + rcx] add rbp, 32 shr r15, 4 mov r13, qword ptr [rip + __rust_dealloc@GOTPCREL] jmp .LBB0_6 .LBB0_8: add rbp, 24 dec r15 je .LBB0_9 .LBB0_6: mov rsi, qword ptr [rbp] test rsi, rsi je .LBB0_8 mov rdi, qword ptr [rbp - 8] mov edx, 1 call r13 jmp .LBB0_8 .LBB0_9: mov rdi, qword ptr [rsp] movabs rsi, -6148914691236517205 .LBB0_10: sub r14, r12 mov rax, r14 mul rsi shr rdx, 4 mov qword ptr [rbx], r12 mov qword ptr [rbx + 8], rdi mov qword ptr [rbx + 16], rdx mov rax, rbx add rsp, 8 pop rbx pop r12 pop r13 pop r14 pop r15 pop rbp ret ``` After this PR: ``` unwrap_clone: mov rax, rdi movups xmm0, xmmword ptr [rsi] mov rcx, qword ptr [rsi + 16] movups xmmword ptr [rdi], xmm0 mov qword ptr [rdi + 16], rcx ret ``` Fixes #120493 --- library/alloc/src/vec/into_iter.rs | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/library/alloc/src/vec/into_iter.rs b/library/alloc/src/vec/into_iter.rs index b0226c848332..280821434027 100644 --- a/library/alloc/src/vec/into_iter.rs +++ b/library/alloc/src/vec/into_iter.rs @@ -289,6 +289,35 @@ impl Iterator for IntoIter { }; } + fn try_fold(&mut self, init: B, mut f: F) -> R + where + Self: Sized, + F: FnMut(B, Self::Item) -> R, + R: core::ops::Try, + { + let mut accum = init; + if T::IS_ZST { + while self.ptr.as_ptr() != self.end.cast_mut() { + // SAFETY: we just checked that `self.ptr` is in bounds. + let tmp = unsafe { self.ptr.read() }; + // See `next` for why we subtract from `end` here. + self.end = self.end.wrapping_byte_sub(1); + accum = f(accum, tmp)?; + } + } else { + // SAFETY: `self.end` can only be null if `T` is a ZST. + while self.ptr != non_null!(self.end, T) { + // SAFETY: we just checked that `self.ptr` is in bounds. + let tmp = unsafe { self.ptr.read() }; + // SAFETY: the maximum this can be is `self.end`. + // Increment `self.ptr` first to avoid double dropping in the event of a panic. + self.ptr = unsafe { self.ptr.add(1) }; + accum = f(accum, tmp)?; + } + } + R::from_output(accum) + } + unsafe fn __iterator_get_unchecked(&mut self, i: usize) -> Self::Item where Self: TrustedRandomAccessNoCoerce, From 9d6b93c3e6609aa104da23cb9091c6c2e277f71e Mon Sep 17 00:00:00 2001 From: Joshua Wong Date: Sun, 12 May 2024 19:56:03 -0500 Subject: [PATCH 0218/1716] specialize `Iterator::fold` for `vec::IntoIter` LLVM currently adds a redundant check for the returned option, in addition to the `self.ptr != self.end` check when using the default `Iterator::fold` method that calls `vec::IntoIter::next` in a loop. --- library/alloc/src/vec/into_iter.rs | 29 +++++++++++++++++++++++++++-- 1 file changed, 27 insertions(+), 2 deletions(-) diff --git a/library/alloc/src/vec/into_iter.rs b/library/alloc/src/vec/into_iter.rs index 280821434027..c47989337708 100644 --- a/library/alloc/src/vec/into_iter.rs +++ b/library/alloc/src/vec/into_iter.rs @@ -289,13 +289,38 @@ impl Iterator for IntoIter { }; } - fn try_fold(&mut self, init: B, mut f: F) -> R + fn fold(mut self, mut accum: B, mut f: F) -> B + where + F: FnMut(B, Self::Item) -> B, + { + if T::IS_ZST { + while self.ptr.as_ptr() != self.end.cast_mut() { + // SAFETY: we just checked that `self.ptr` is in bounds. + let tmp = unsafe { self.ptr.read() }; + // See `next` for why we subtract from `end` here. + self.end = self.end.wrapping_byte_sub(1); + accum = f(accum, tmp); + } + } else { + // SAFETY: `self.end` can only be null if `T` is a ZST. + while self.ptr != non_null!(self.end, T) { + // SAFETY: we just checked that `self.ptr` is in bounds. + let tmp = unsafe { self.ptr.read() }; + // SAFETY: the maximum this can be is `self.end`. + // Increment `self.ptr` first to avoid double dropping in the event of a panic. + self.ptr = unsafe { self.ptr.add(1) }; + accum = f(accum, tmp); + } + } + accum + } + + fn try_fold(&mut self, mut accum: B, mut f: F) -> R where Self: Sized, F: FnMut(B, Self::Item) -> R, R: core::ops::Try, { - let mut accum = init; if T::IS_ZST { while self.ptr.as_ptr() != self.end.cast_mut() { // SAFETY: we just checked that `self.ptr` is in bounds. From 65e302fc3648c2268fecbff10a861f5bd3e0f67d Mon Sep 17 00:00:00 2001 From: Joshua Wong Date: Sat, 18 May 2024 19:15:21 -0500 Subject: [PATCH 0219/1716] use `Result::into_ok` on infallible result. --- library/alloc/src/lib.rs | 1 + library/alloc/src/vec/in_place_collect.rs | 6 ++---- 2 files changed, 3 insertions(+), 4 deletions(-) diff --git a/library/alloc/src/lib.rs b/library/alloc/src/lib.rs index 91b83cfe011f..4ac0c9b15be7 100644 --- a/library/alloc/src/lib.rs +++ b/library/alloc/src/lib.rs @@ -160,6 +160,7 @@ #![feature(tuple_trait)] #![feature(unicode_internals)] #![feature(unsize)] +#![feature(unwrap_infallible)] #![feature(vec_pop_if)] // tidy-alphabetical-end // diff --git a/library/alloc/src/vec/in_place_collect.rs b/library/alloc/src/vec/in_place_collect.rs index 5b0fde93b91c..22541a2b9d82 100644 --- a/library/alloc/src/vec/in_place_collect.rs +++ b/library/alloc/src/vec/in_place_collect.rs @@ -374,10 +374,8 @@ where // - unlike most internal iteration methods, it only takes a &mut self // - it lets us thread the write pointer through its innards and get it back in the end let sink = InPlaceDrop { inner: dst_buf, dst: dst_buf }; - let sink = match self.try_fold::<_, _, Result<_, !>>(sink, write_in_place_with_drop(end)) { - Ok(sink) => sink, - Err(never) => match never {}, - }; + let sink = + self.try_fold::<_, _, Result<_, !>>(sink, write_in_place_with_drop(end)).into_ok(); // iteration succeeded, don't drop head unsafe { ManuallyDrop::new(sink).dst.sub_ptr(dst_buf) } } From 36c09337b9e0a4e313547c8fa7a5c7217850a6e6 Mon Sep 17 00:00:00 2001 From: github-actions Date: Sun, 19 May 2024 00:17:38 +0000 Subject: [PATCH 0220/1716] cargo update Locking 24 packages to latest compatible versions Updating ammonia v3.3.0 -> v4.0.0 Updating anyhow v1.0.83 -> v1.0.86 Updating camino v1.1.6 -> v1.1.7 Updating darling v0.20.8 -> v0.20.9 Updating darling_core v0.20.8 -> v0.20.9 Updating darling_macro v0.20.8 -> v0.20.9 Adding dbus v0.9.7 Updating either v1.11.0 -> v1.12.0 Adding html5ever v0.27.0 Updating instant v0.1.12 -> v0.1.13 Adding libdbus-sys v0.2.5 Updating linux-raw-sys v0.4.13 -> v0.4.14 (latest: v0.6.4) Adding markup5ever v0.12.1 Updating mdbook v0.4.37 -> v0.4.40 Updating miniz_oxide v0.7.2 -> v0.7.3 Adding opener v0.7.1 Updating rustversion v1.0.16 -> v1.0.17 Updating serde v1.0.201 -> v1.0.202 Updating serde_derive v1.0.201 -> v1.0.202 Updating serde_spanned v0.6.5 -> v0.6.6 Removing strsim v0.10.0 Updating syn v2.0.62 -> v2.0.64 Updating thiserror v1.0.60 -> v1.0.61 Updating thiserror-impl v1.0.60 -> v1.0.61 Updating toml_datetime v0.6.5 -> v0.6.6 note: pass `--verbose` to see 96 unchanged dependencies behind latest --- Cargo.lock | 221 +++++++++++++++++++++++++++++++++-------------------- 1 file changed, 138 insertions(+), 83 deletions(-) diff --git a/Cargo.lock b/Cargo.lock index df4e4f326135..c1b1a16fee8c 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -74,11 +74,11 @@ checksum = "5c6cb57a04249c6480766f7f7cef5467412af1490f8d1e243141daddada3264f" [[package]] name = "ammonia" -version = "3.3.0" +version = "4.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "64e6d1c7838db705c9b756557ee27c384ce695a1c51a6fe528784cb1c6840170" +checksum = "1ab99eae5ee58501ab236beb6f20f6ca39be615267b014899c89b2f0bc18a459" dependencies = [ - "html5ever", + "html5ever 0.27.0", "maplit", "once_cell", "tendril", @@ -212,9 +212,9 @@ dependencies = [ [[package]] name = "anyhow" -version = "1.0.83" +version = "1.0.86" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "25bdb32cbbdce2b519a9cd7df3a678443100e265d5e25ca763b7572a5104f5f3" +checksum = "b3d1d046238990b9cf5bcde22a3fb3584ee5cf65fb2765f454ed428c7a0063da" dependencies = [ "backtrace", ] @@ -257,7 +257,7 @@ dependencies = [ "proc-macro2", "quote", "serde", - "syn 2.0.62", + "syn 2.0.64", ] [[package]] @@ -414,9 +414,9 @@ checksum = "514de17de45fdb8dc022b1a7975556c53c86f9f0aa5f534b98977b171857c2c9" [[package]] name = "camino" -version = "1.1.6" +version = "1.1.7" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "c59e92b5a388f549b863a7bea62612c09f24c8393560709a54558a9abdfb3b9c" +checksum = "e0ec6b951b160caa93cc0c7b209e5a3bff7aae9062213451ac99493cd844c239" dependencies = [ "serde", ] @@ -571,7 +571,7 @@ dependencies = [ "anstream", "anstyle", "clap_lex", - "strsim 0.11.1", + "strsim", "terminal_size", ] @@ -593,7 +593,7 @@ dependencies = [ "heck 0.5.0", "proc-macro2", "quote", - "syn 2.0.62", + "syn 2.0.64", ] [[package]] @@ -620,7 +620,7 @@ dependencies = [ "regex", "rustc_tools_util", "serde", - "syn 2.0.62", + "syn 2.0.64", "tempfile", "termize", "tokio", @@ -647,7 +647,7 @@ dependencies = [ "clap", "indoc", "itertools 0.12.1", - "opener", + "opener 0.6.1", "shell-escape", "walkdir", ] @@ -730,7 +730,7 @@ dependencies = [ "nom", "proc-macro2", "quote", - "syn 2.0.62", + "syn 2.0.64", ] [[package]] @@ -957,9 +957,9 @@ dependencies = [ [[package]] name = "darling" -version = "0.20.8" +version = "0.20.9" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "54e36fcd13ed84ffdfda6f5be89b31287cbb80c439841fe69e04841435464391" +checksum = "83b2eb4d90d12bdda5ed17de686c2acb4c57914f8f921b8da7e112b5a36f3fe1" dependencies = [ "darling_core", "darling_macro", @@ -967,27 +967,27 @@ dependencies = [ [[package]] name = "darling_core" -version = "0.20.8" +version = "0.20.9" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "9c2cf1c23a687a1feeb728783b993c4e1ad83d99f351801977dd809b48d0a70f" +checksum = "622687fe0bac72a04e5599029151f5796111b90f1baaa9b544d807a5e31cd120" dependencies = [ "fnv", "ident_case", "proc-macro2", "quote", - "strsim 0.10.0", - "syn 2.0.62", + "strsim", + "syn 2.0.64", ] [[package]] name = "darling_macro" -version = "0.20.8" +version = "0.20.9" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "a668eda54683121533a393014d8692171709ff57a7d61f187b6e782719f8933f" +checksum = "733cabb43482b1a1b53eee8583c2b9e8684d592215ea83efd305dd31bc2f0178" dependencies = [ "darling_core", "quote", - "syn 2.0.62", + "syn 2.0.64", ] [[package]] @@ -996,13 +996,24 @@ version = "2.0.1" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "a0afaad2b26fa326569eb264b1363e8ae3357618c43982b3f285f0774ce76b69" +[[package]] +name = "dbus" +version = "0.9.7" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1bb21987b9fb1613058ba3843121dd18b163b254d8a6e797e144cbac14d96d1b" +dependencies = [ + "libc", + "libdbus-sys", + "winapi", +] + [[package]] name = "declare_clippy_lint" version = "0.1.80" dependencies = [ "itertools 0.12.1", "quote", - "syn 2.0.62", + "syn 2.0.64", ] [[package]] @@ -1043,7 +1054,7 @@ dependencies = [ "darling", "proc-macro2", "quote", - "syn 2.0.62", + "syn 2.0.64", ] [[package]] @@ -1053,7 +1064,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "206868b8242f27cecce124c19fd88157fbd0dd334df2587f36417bafbc85097b" dependencies = [ "derive_builder_core", - "syn 2.0.62", + "syn 2.0.64", ] [[package]] @@ -1076,7 +1087,7 @@ dependencies = [ "darling", "proc-macro2", "quote", - "syn 2.0.62", + "syn 2.0.64", ] [[package]] @@ -1165,7 +1176,7 @@ checksum = "487585f4d0c6655fe74905e2504d8ad6908e4db67f744eb140876906c2f3175d" dependencies = [ "proc-macro2", "quote", - "syn 2.0.62", + "syn 2.0.64", ] [[package]] @@ -1189,9 +1200,9 @@ dependencies = [ [[package]] name = "either" -version = "1.11.0" +version = "1.12.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "a47c1c47d2f5964e29c61246e81db715514cd532db6b5116a25ea3c03d6780a2" +checksum = "3dca9240753cf90908d7e4aac30f630662b02aebaa1b58a3cadabdb23385b58b" [[package]] name = "elasticlunr-rs" @@ -1503,7 +1514,7 @@ checksum = "87750cf4b7a4c0625b1529e4c543c2182106e4dedc60a2a6455e00d212c489ac" dependencies = [ "proc-macro2", "quote", - "syn 2.0.62", + "syn 2.0.64", ] [[package]] @@ -1735,12 +1746,26 @@ checksum = "bea68cab48b8459f17cf1c944c67ddc572d272d9f2b274140f223ecb1da4a3b7" dependencies = [ "log", "mac", - "markup5ever", + "markup5ever 0.11.0", "proc-macro2", "quote", "syn 1.0.109", ] +[[package]] +name = "html5ever" +version = "0.27.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c13771afe0e6e846f1e67d038d4cb29998a6779f93c809212e4e9c32efd244d4" +dependencies = [ + "log", + "mac", + "markup5ever 0.12.1", + "proc-macro2", + "quote", + "syn 2.0.64", +] + [[package]] name = "http" version = "0.2.12" @@ -1941,7 +1966,7 @@ checksum = "d2abdd3a62551e8337af119c5899e600ca0c88ec8f23a46c60ba216c803dcf1a" dependencies = [ "proc-macro2", "quote", - "syn 2.0.62", + "syn 2.0.64", ] [[package]] @@ -2044,9 +2069,9 @@ dependencies = [ [[package]] name = "instant" -version = "0.1.12" +version = "0.1.13" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "7a5bbe824c507c5da5956355e86a746d82e0e1464f65d862cc5e71da70e94b2c" +checksum = "e0242819d153cba4b4b05a5a8f2a7e9bbf97b6055b2a002b395c96b5ff3c0222" dependencies = [ "cfg-if", ] @@ -2197,6 +2222,16 @@ dependencies = [ "rustc-std-workspace-core", ] +[[package]] +name = "libdbus-sys" +version = "0.2.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "06085512b750d640299b79be4bad3d2fa90a9c00b1fd9e1b46364f66f0485c72" +dependencies = [ + "cc", + "pkg-config", +] + [[package]] name = "libffi" version = "3.2.0" @@ -2258,7 +2293,7 @@ dependencies = [ name = "linkchecker" version = "0.1.0" dependencies = [ - "html5ever", + "html5ever 0.26.0", "regex", ] @@ -2273,9 +2308,9 @@ dependencies = [ [[package]] name = "linux-raw-sys" -version = "0.4.13" +version = "0.4.14" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "01cda141df6706de531b6c46c3a33ecca755538219bd484262fa09410c13539c" +checksum = "78b3ae25bc7c8c38cec158d1f2757ee79e9b3740fbc7ccf0e59e4b08d793fa89" [[package]] name = "litemap" @@ -2351,6 +2386,20 @@ dependencies = [ "tendril", ] +[[package]] +name = "markup5ever" +version = "0.12.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "16ce3abbeba692c8b8441d036ef91aea6df8da2c6b6e21c7e14d3c18e526be45" +dependencies = [ + "log", + "phf 0.11.2", + "phf_codegen 0.11.2", + "string_cache", + "string_cache_codegen", + "tendril", +] + [[package]] name = "matchers" version = "0.1.0" @@ -2372,9 +2421,9 @@ dependencies = [ [[package]] name = "mdbook" -version = "0.4.37" +version = "0.4.40" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "0c33564061c3c640bed5ace7d6a2a1b65f2c64257d1ac930c15e94ed0fb561d3" +checksum = "b45a38e19bd200220ef07c892b0157ad3d2365e5b5a267ca01ad12182491eea5" dependencies = [ "ammonia", "anyhow", @@ -2387,7 +2436,7 @@ dependencies = [ "log", "memchr", "once_cell", - "opener", + "opener 0.7.1", "pulldown-cmark 0.10.3", "regex", "serde", @@ -2470,9 +2519,9 @@ checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a" [[package]] name = "miniz_oxide" -version = "0.7.2" +version = "0.7.3" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "9d811f3e15f28568be3407c8e7fdb6514c1cda3cb30683f15b6a1a1dc4ea14a7" +checksum = "87dfd01fe195c66b572b37921ad8803d010623c0aca821bea2302239d155cdae" dependencies = [ "adler", "compiler_builtins", @@ -2697,6 +2746,18 @@ dependencies = [ "winapi", ] +[[package]] +name = "opener" +version = "0.7.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f8df34be653210fbe9ffaff41d3b92721c56ce82dfee58ee684f9afb5e3a90c0" +dependencies = [ + "bstr", + "dbus", + "normpath", + "windows-sys 0.52.0", +] + [[package]] name = "openssl" version = "0.10.64" @@ -2720,7 +2781,7 @@ checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c" dependencies = [ "proc-macro2", "quote", - "syn 2.0.62", + "syn 2.0.64", ] [[package]] @@ -2912,7 +2973,7 @@ dependencies = [ "pest_meta", "proc-macro2", "quote", - "syn 2.0.62", + "syn 2.0.64", ] [[package]] @@ -4001,7 +4062,7 @@ dependencies = [ "fluent-syntax", "proc-macro2", "quote", - "syn 2.0.62", + "syn 2.0.64", "unic-langid", ] @@ -4135,7 +4196,7 @@ version = "0.0.0" dependencies = [ "proc-macro2", "quote", - "syn 2.0.62", + "syn 2.0.64", "synstructure", ] @@ -4282,7 +4343,7 @@ version = "0.0.0" dependencies = [ "proc-macro2", "quote", - "syn 2.0.62", + "syn 2.0.64", "synstructure", ] @@ -4848,7 +4909,7 @@ version = "0.0.0" dependencies = [ "proc-macro2", "quote", - "syn 2.0.62", + "syn 2.0.64", "synstructure", ] @@ -4946,7 +5007,7 @@ dependencies = [ "proc-macro2", "quote", "serde", - "syn 2.0.62", + "syn 2.0.64", ] [[package]] @@ -5003,9 +5064,9 @@ dependencies = [ [[package]] name = "rustversion" -version = "1.0.16" +version = "1.0.17" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "092474d1a01ea8278f69e6a358998405fae5b8b963ddaeb2b0b04a128bf1dfb0" +checksum = "955d28af4278de8121b7ebeb796b6a45735dc01436d898801014aced2773a3d6" [[package]] name = "ruzstd" @@ -5114,22 +5175,22 @@ dependencies = [ [[package]] name = "serde" -version = "1.0.201" +version = "1.0.202" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "780f1cebed1629e4753a1a38a3c72d30b97ec044f0aef68cb26650a3c5cf363c" +checksum = "226b61a0d411b2ba5ff6d7f73a476ac4f8bb900373459cd00fab8512828ba395" dependencies = [ "serde_derive", ] [[package]] name = "serde_derive" -version = "1.0.201" +version = "1.0.202" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "c5e405930b9796f1c00bee880d03fc7e0bb4b9a11afc776885ffe84320da2865" +checksum = "6048858004bcff69094cd972ed40a32500f153bd3be9f716b2eed2e8217c4838" dependencies = [ "proc-macro2", "quote", - "syn 2.0.62", + "syn 2.0.64", ] [[package]] @@ -5146,9 +5207,9 @@ dependencies = [ [[package]] name = "serde_spanned" -version = "0.6.5" +version = "0.6.6" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "eb3622f419d1296904700073ea6cc23ad690adbd66f13ea683df73298736f0c1" +checksum = "79e674e01f999af37c49f70a6ede167a8a60b2503e56c5599532a65baa5969a0" dependencies = [ "serde", ] @@ -5389,12 +5450,6 @@ dependencies = [ "quote", ] -[[package]] -name = "strsim" -version = "0.10.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623" - [[package]] name = "strsim" version = "0.11.1" @@ -5441,9 +5496,9 @@ dependencies = [ [[package]] name = "syn" -version = "2.0.62" +version = "2.0.64" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "9f660c3bfcefb88c538776b6685a0c472e3128b51e74d48793dc2a488196e8eb" +checksum = "7ad3dee41f36859875573074334c200d1add8e4a87bb37113ebd31d926b7b11f" dependencies = [ "proc-macro2", "quote", @@ -5464,7 +5519,7 @@ checksum = "c8af7666ab7b6390ab78131fb5b0fce11d6b7a6951602017c35fa82800708971" dependencies = [ "proc-macro2", "quote", - "syn 2.0.62", + "syn 2.0.64", ] [[package]] @@ -5615,22 +5670,22 @@ checksum = "a38c90d48152c236a3ab59271da4f4ae63d678c5d7ad6b7714d7cb9760be5e4b" [[package]] name = "thiserror" -version = "1.0.60" +version = "1.0.61" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "579e9083ca58dd9dcf91a9923bb9054071b9ebbd800b342194c9feb0ee89fc18" +checksum = "c546c80d6be4bc6a00c0f01730c08df82eaa7a7a61f11d656526506112cc1709" dependencies = [ "thiserror-impl", ] [[package]] name = "thiserror-impl" -version = "1.0.60" +version = "1.0.61" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "e2470041c06ec3ac1ab38d0356a6119054dedaea53e12fbefc0de730a1c08524" +checksum = "46c3384250002a6d5af4d114f2845d37b57521033f30d5c3f46c4d70e1197533" dependencies = [ "proc-macro2", "quote", - "syn 2.0.62", + "syn 2.0.64", ] [[package]] @@ -5799,9 +5854,9 @@ dependencies = [ [[package]] name = "toml_datetime" -version = "0.6.5" +version = "0.6.6" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "3550f4e9685620ac18a50ed434eb3aec30db8ba93b0287467bca5826ea25baf1" +checksum = "4badfd56924ae69bcc9039335b2e017639ce3f9b001c393c1b2d1ef846ce2cbf" dependencies = [ "serde", ] @@ -5851,7 +5906,7 @@ checksum = "34704c8d6ebcbc939824180af020566b01a7c01f80641264eba0999f6c2b6be7" dependencies = [ "proc-macro2", "quote", - "syn 2.0.62", + "syn 2.0.64", ] [[package]] @@ -6057,7 +6112,7 @@ checksum = "1ed7f4237ba393424195053097c1516bd4590dc82b84f2f97c5c69e12704555b" dependencies = [ "proc-macro-hack", "quote", - "syn 2.0.62", + "syn 2.0.64", "unic-langid-impl", ] @@ -6289,7 +6344,7 @@ dependencies = [ "once_cell", "proc-macro2", "quote", - "syn 2.0.62", + "syn 2.0.64", "wasm-bindgen-shared", ] @@ -6323,7 +6378,7 @@ checksum = "e94f17b526d0a461a191c78ea52bbce64071ed5c04c9ffe424dcb38f74171bb7" dependencies = [ "proc-macro2", "quote", - "syn 2.0.62", + "syn 2.0.64", "wasm-bindgen-backend", "wasm-bindgen-shared", ] @@ -6414,7 +6469,7 @@ dependencies = [ "rayon", "serde", "serde_json", - "syn 2.0.62", + "syn 2.0.64", "windows-metadata", ] @@ -6646,7 +6701,7 @@ checksum = "9e6936f0cce458098a201c245a11bef556c6a0181129c7034d10d76d1ec3a2b8" dependencies = [ "proc-macro2", "quote", - "syn 2.0.62", + "syn 2.0.64", "synstructure", ] @@ -6667,7 +6722,7 @@ checksum = "15e934569e47891f7d9411f1a451d947a60e000ab3bd24fbb970f000387d1b3b" dependencies = [ "proc-macro2", "quote", - "syn 2.0.62", + "syn 2.0.64", ] [[package]] @@ -6687,7 +6742,7 @@ checksum = "e6a647510471d372f2e6c2e6b7219e44d8c574d24fdc11c610a61455782f18c3" dependencies = [ "proc-macro2", "quote", - "syn 2.0.62", + "syn 2.0.64", "synstructure", ] @@ -6710,7 +6765,7 @@ checksum = "7b4e5997cbf58990550ef1f0e5124a05e47e1ebd33a84af25739be6031a62c20" dependencies = [ "proc-macro2", "quote", - "syn 2.0.62", + "syn 2.0.64", ] [[package]] From 1914c722b56c347e838765d1df33d74de8a97d72 Mon Sep 17 00:00:00 2001 From: Jubilee Young Date: Sat, 18 May 2024 17:56:49 -0700 Subject: [PATCH 0221/1716] compiler: add simd_ctpop intrinsic --- compiler/rustc_codegen_llvm/src/intrinsic.rs | 48 +++++++++++-------- .../rustc_hir_analysis/src/check/intrinsic.rs | 1 + compiler/rustc_span/src/symbol.rs | 1 + library/core/src/intrinsics/simd.rs | 7 +++ .../ui/simd/intrinsic/generic-arithmetic-2.rs | 23 ++++----- .../intrinsic/generic-arithmetic-2.stderr | 26 ++++++---- .../simd/intrinsic/generic-arithmetic-pass.rs | 10 ++++ 7 files changed, 76 insertions(+), 40 deletions(-) diff --git a/compiler/rustc_codegen_llvm/src/intrinsic.rs b/compiler/rustc_codegen_llvm/src/intrinsic.rs index c0a1208a8c7d..7e6d7491798b 100644 --- a/compiler/rustc_codegen_llvm/src/intrinsic.rs +++ b/compiler/rustc_codegen_llvm/src/intrinsic.rs @@ -2336,7 +2336,10 @@ fn generic_simd_intrinsic<'ll, 'tcx>( } // Unary integer intrinsics - if matches!(name, sym::simd_bswap | sym::simd_bitreverse | sym::simd_ctlz | sym::simd_cttz) { + if matches!( + name, + sym::simd_bswap | sym::simd_bitreverse | sym::simd_ctlz | sym::simd_ctpop | sym::simd_cttz + ) { let vec_ty = bx.cx.type_vector( match *in_elem.kind() { ty::Int(i) => bx.cx.type_int_from_ty(i), @@ -2354,31 +2357,38 @@ fn generic_simd_intrinsic<'ll, 'tcx>( sym::simd_bswap => "bswap", sym::simd_bitreverse => "bitreverse", sym::simd_ctlz => "ctlz", + sym::simd_ctpop => "ctpop", sym::simd_cttz => "cttz", _ => unreachable!(), }; let int_size = in_elem.int_size_and_signed(bx.tcx()).0.bits(); let llvm_intrinsic = &format!("llvm.{}.v{}i{}", intrinsic_name, in_len, int_size,); - return if name == sym::simd_bswap && int_size == 8 { + return match name { // byte swap is no-op for i8/u8 - Ok(args[0].immediate()) - } else if matches!(name, sym::simd_ctlz | sym::simd_cttz) { - let fn_ty = bx.type_func(&[vec_ty, bx.type_i1()], vec_ty); - let f = bx.declare_cfn(llvm_intrinsic, llvm::UnnamedAddr::No, fn_ty); - Ok(bx.call( - fn_ty, - None, - None, - f, - &[args[0].immediate(), bx.const_int(bx.type_i1(), 0)], - None, - None, - )) - } else { - let fn_ty = bx.type_func(&[vec_ty], vec_ty); - let f = bx.declare_cfn(llvm_intrinsic, llvm::UnnamedAddr::No, fn_ty); - Ok(bx.call(fn_ty, None, None, f, &[args[0].immediate()], None, None)) + sym::simd_bswap if int_size == 8 => Ok(args[0].immediate()), + sym::simd_ctlz | sym::simd_cttz => { + // this fun bonus i1 arg means "poison if the arg vector contains zero" + let fn_ty = bx.type_func(&[vec_ty, bx.type_i1()], vec_ty); + let f = bx.declare_cfn(llvm_intrinsic, llvm::UnnamedAddr::No, fn_ty); + Ok(bx.call( + fn_ty, + None, + None, + f, + // simd_ctlz and simd_cttz are exposed to safe code, so let's not poison anything + &[args[0].immediate(), bx.const_int(bx.type_i1(), 0)], + None, + None, + )) + } + sym::simd_bswap | sym::simd_bitreverse | sym::simd_ctpop => { + // simple unary argument cases + let fn_ty = bx.type_func(&[vec_ty], vec_ty); + let f = bx.declare_cfn(llvm_intrinsic, llvm::UnnamedAddr::No, fn_ty); + Ok(bx.call(fn_ty, None, None, f, &[args[0].immediate()], None, None)) + } + _ => unreachable!(), }; } diff --git a/compiler/rustc_hir_analysis/src/check/intrinsic.rs b/compiler/rustc_hir_analysis/src/check/intrinsic.rs index d829e720d9e1..50fe20346cf4 100644 --- a/compiler/rustc_hir_analysis/src/check/intrinsic.rs +++ b/compiler/rustc_hir_analysis/src/check/intrinsic.rs @@ -607,6 +607,7 @@ pub fn check_intrinsic_type( | sym::simd_bitreverse | sym::simd_ctlz | sym::simd_cttz + | sym::simd_ctpop | sym::simd_fsqrt | sym::simd_fsin | sym::simd_fcos diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index 68b1b32baf2d..203d24185c63 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -1681,6 +1681,7 @@ symbols! { simd_cast_ptr, simd_ceil, simd_ctlz, + simd_ctpop, simd_cttz, simd_div, simd_eq, diff --git a/library/core/src/intrinsics/simd.rs b/library/core/src/intrinsics/simd.rs index ceea67901294..d1be534eaf08 100644 --- a/library/core/src/intrinsics/simd.rs +++ b/library/core/src/intrinsics/simd.rs @@ -569,6 +569,13 @@ extern "rust-intrinsic" { #[rustc_nounwind] pub fn simd_ctlz(x: T) -> T; + /// Count the number of ones in each element. + /// + /// `T` must be a vector of integers. + #[rustc_nounwind] + #[cfg(not(bootstrap))] + pub fn simd_ctpop(x: T) -> T; + /// Count the trailing zeros of each element. /// /// `T` must be a vector of integers. diff --git a/tests/ui/simd/intrinsic/generic-arithmetic-2.rs b/tests/ui/simd/intrinsic/generic-arithmetic-2.rs index 4ad98d567113..fc3087cbf754 100644 --- a/tests/ui/simd/intrinsic/generic-arithmetic-2.rs +++ b/tests/ui/simd/intrinsic/generic-arithmetic-2.rs @@ -30,6 +30,7 @@ extern "rust-intrinsic" { fn simd_bswap(x: T) -> T; fn simd_bitreverse(x: T) -> T; fn simd_ctlz(x: T) -> T; + fn simd_ctpop(x: T) -> T; fn simd_cttz(x: T) -> T; } @@ -77,7 +78,6 @@ fn main() { simd_cttz(x); simd_cttz(y); - simd_add(0, 0); //~^ ERROR expected SIMD input type, found non-SIMD `i32` simd_sub(0, 0); @@ -108,24 +108,25 @@ fn main() { simd_cttz(0); //~^ ERROR expected SIMD input type, found non-SIMD `i32` - simd_shl(z, z); -//~^ ERROR unsupported operation on `f32x4` with element `f32` + //~^ ERROR unsupported operation on `f32x4` with element `f32` simd_shr(z, z); -//~^ ERROR unsupported operation on `f32x4` with element `f32` + //~^ ERROR unsupported operation on `f32x4` with element `f32` simd_and(z, z); -//~^ ERROR unsupported operation on `f32x4` with element `f32` + //~^ ERROR unsupported operation on `f32x4` with element `f32` simd_or(z, z); -//~^ ERROR unsupported operation on `f32x4` with element `f32` + //~^ ERROR unsupported operation on `f32x4` with element `f32` simd_xor(z, z); -//~^ ERROR unsupported operation on `f32x4` with element `f32` + //~^ ERROR unsupported operation on `f32x4` with element `f32` simd_bswap(z); -//~^ ERROR unsupported operation on `f32x4` with element `f32` + //~^ ERROR unsupported operation on `f32x4` with element `f32` simd_bitreverse(z); -//~^ ERROR unsupported operation on `f32x4` with element `f32` + //~^ ERROR unsupported operation on `f32x4` with element `f32` simd_ctlz(z); -//~^ ERROR unsupported operation on `f32x4` with element `f32` + //~^ ERROR unsupported operation on `f32x4` with element `f32` + simd_ctpop(z); + //~^ ERROR unsupported operation on `f32x4` with element `f32` simd_cttz(z); -//~^ ERROR unsupported operation on `f32x4` with element `f32` + //~^ ERROR unsupported operation on `f32x4` with element `f32` } } diff --git a/tests/ui/simd/intrinsic/generic-arithmetic-2.stderr b/tests/ui/simd/intrinsic/generic-arithmetic-2.stderr index db26f3417c95..6f5f86d7d374 100644 --- a/tests/ui/simd/intrinsic/generic-arithmetic-2.stderr +++ b/tests/ui/simd/intrinsic/generic-arithmetic-2.stderr @@ -83,59 +83,65 @@ LL | simd_cttz(0); | ^^^^^^^^^^^^ error[E0511]: invalid monomorphization of `simd_shl` intrinsic: unsupported operation on `f32x4` with element `f32` - --> $DIR/generic-arithmetic-2.rs:112:9 + --> $DIR/generic-arithmetic-2.rs:111:9 | LL | simd_shl(z, z); | ^^^^^^^^^^^^^^ error[E0511]: invalid monomorphization of `simd_shr` intrinsic: unsupported operation on `f32x4` with element `f32` - --> $DIR/generic-arithmetic-2.rs:114:9 + --> $DIR/generic-arithmetic-2.rs:113:9 | LL | simd_shr(z, z); | ^^^^^^^^^^^^^^ error[E0511]: invalid monomorphization of `simd_and` intrinsic: unsupported operation on `f32x4` with element `f32` - --> $DIR/generic-arithmetic-2.rs:116:9 + --> $DIR/generic-arithmetic-2.rs:115:9 | LL | simd_and(z, z); | ^^^^^^^^^^^^^^ error[E0511]: invalid monomorphization of `simd_or` intrinsic: unsupported operation on `f32x4` with element `f32` - --> $DIR/generic-arithmetic-2.rs:118:9 + --> $DIR/generic-arithmetic-2.rs:117:9 | LL | simd_or(z, z); | ^^^^^^^^^^^^^ error[E0511]: invalid monomorphization of `simd_xor` intrinsic: unsupported operation on `f32x4` with element `f32` - --> $DIR/generic-arithmetic-2.rs:120:9 + --> $DIR/generic-arithmetic-2.rs:119:9 | LL | simd_xor(z, z); | ^^^^^^^^^^^^^^ error[E0511]: invalid monomorphization of `simd_bswap` intrinsic: unsupported operation on `f32x4` with element `f32` - --> $DIR/generic-arithmetic-2.rs:122:9 + --> $DIR/generic-arithmetic-2.rs:121:9 | LL | simd_bswap(z); | ^^^^^^^^^^^^^ error[E0511]: invalid monomorphization of `simd_bitreverse` intrinsic: unsupported operation on `f32x4` with element `f32` - --> $DIR/generic-arithmetic-2.rs:124:9 + --> $DIR/generic-arithmetic-2.rs:123:9 | LL | simd_bitreverse(z); | ^^^^^^^^^^^^^^^^^^ error[E0511]: invalid monomorphization of `simd_ctlz` intrinsic: unsupported operation on `f32x4` with element `f32` - --> $DIR/generic-arithmetic-2.rs:126:9 + --> $DIR/generic-arithmetic-2.rs:125:9 | LL | simd_ctlz(z); | ^^^^^^^^^^^^ +error[E0511]: invalid monomorphization of `simd_ctpop` intrinsic: unsupported operation on `f32x4` with element `f32` + --> $DIR/generic-arithmetic-2.rs:127:9 + | +LL | simd_ctpop(z); + | ^^^^^^^^^^^^^ + error[E0511]: invalid monomorphization of `simd_cttz` intrinsic: unsupported operation on `f32x4` with element `f32` - --> $DIR/generic-arithmetic-2.rs:128:9 + --> $DIR/generic-arithmetic-2.rs:129:9 | LL | simd_cttz(z); | ^^^^^^^^^^^^ -error: aborting due to 23 previous errors +error: aborting due to 24 previous errors For more information about this error, try `rustc --explain E0511`. diff --git a/tests/ui/simd/intrinsic/generic-arithmetic-pass.rs b/tests/ui/simd/intrinsic/generic-arithmetic-pass.rs index 33143b1f7b53..60dfa6274148 100644 --- a/tests/ui/simd/intrinsic/generic-arithmetic-pass.rs +++ b/tests/ui/simd/intrinsic/generic-arithmetic-pass.rs @@ -47,6 +47,7 @@ extern "rust-intrinsic" { fn simd_bswap(x: T) -> T; fn simd_bitreverse(x: T) -> T; fn simd_ctlz(x: T) -> T; + fn simd_ctpop(x: T) -> T; fn simd_cttz(x: T) -> T; } @@ -57,6 +58,8 @@ fn main() { let x2 = i32x4(2, 3, 4, 5); let y2 = U32::<4>([2, 3, 4, 5]); let z2 = f32x4(2.0, 3.0, 4.0, 5.0); + let x3 = i32x4(0, i32::MAX, i32::MIN, -1_i32); + let y3 = U32::<4>([0, i32::MAX as _, i32::MIN as _, -1_i32 as _]); unsafe { all_eq!(simd_add(x1, x2), i32x4(3, 5, 7, 9)); @@ -147,6 +150,13 @@ fn main() { all_eq!(simd_ctlz(x1), i32x4(31, 30, 30, 29)); all_eq_!(simd_ctlz(y1), U32::<4>([31, 30, 30, 29])); + all_eq!(simd_ctpop(x1), i32x4(1, 1, 2, 1)); + all_eq_!(simd_ctpop(y1), U32::<4>([1, 1, 2, 1])); + all_eq!(simd_ctpop(x2), i32x4(1, 2, 1, 2)); + all_eq_!(simd_ctpop(y2), U32::<4>([1, 2, 1, 2])); + all_eq!(simd_ctpop(x3), i32x4(0, 31, 1, 32)); + all_eq_!(simd_ctpop(y3), U32::<4>([0, 31, 1, 32])); + all_eq!(simd_cttz(x1), i32x4(0, 1, 0, 2)); all_eq_!(simd_cttz(y1), U32::<4>([0, 1, 0, 2])); } From abd5d0e37bfe54543aa80c86de30db829dd10ed2 Mon Sep 17 00:00:00 2001 From: Mads Marquart Date: Sun, 19 May 2024 04:18:51 +0200 Subject: [PATCH 0222/1716] Add NULL check in argument parsing on Apple platforms --- library/std/src/sys/pal/unix/args.rs | 58 +++++++++++++++++++++------- 1 file changed, 44 insertions(+), 14 deletions(-) diff --git a/library/std/src/sys/pal/unix/args.rs b/library/std/src/sys/pal/unix/args.rs index 66ee45be1a9a..b7e8534eea83 100644 --- a/library/std/src/sys/pal/unix/args.rs +++ b/library/std/src/sys/pal/unix/args.rs @@ -184,28 +184,58 @@ mod imp { #[cfg(target_vendor = "apple")] mod imp { use super::Args; - use crate::ffi::CStr; + use crate::ffi::{c_char, c_int, CStr}; use crate::os::unix::prelude::*; - pub unsafe fn init(_argc: isize, _argv: *const *const u8) {} + pub unsafe fn init(_argc: isize, _argv: *const *const u8) { + // No need to initialize anything in here, `libdyld.dylib` has already + // done the work for us. + } pub fn args() -> Args { extern "C" { // These functions are in crt_externs.h. - fn _NSGetArgc() -> *mut libc::c_int; - fn _NSGetArgv() -> *mut *mut *mut libc::c_char; + fn _NSGetArgc() -> *mut c_int; + fn _NSGetArgv() -> *mut *mut *mut c_char; + } + + // SAFETY: The returned pointer points to a static initialized early + // in the program lifetime by `libdyld.dylib`, and as such is always + // valid. + // + // NOTE: Similar to `_NSGetEnviron`, there technically isn't anything + // protecting us against concurrent modifications to this, and there + // doesn't exist a lock that we can take. Instead, it is generally + // expected that it's only modified in `main` / before other code + // runs, so reading this here should be fine. + let argc = unsafe { _NSGetArgc().read() }; + // SAFETY: Same as above. + let argv = unsafe { _NSGetArgv().read() }; + + let mut vec = Vec::with_capacity(argc as usize); + + for i in 0..argc { + // SAFETY: `argv` is at least as long as `argc`, so reading from + // it should be safe. + let ptr = unsafe { argv.offset(i as isize).read() }; + + // Entries may have been removed from `argv` by setting them to + // NULL, without updating `argc`. + if ptr.is_null() { + // We continue instead of break here, as an argument may have + // been set to `NULL` in the middle, instead of at the end of + // the list. + // + // This is the same as what `-[NSProcessInfo arguments]` does. + continue; + } + + // SAFETY: Just checked that the pointer is not NULL, and + // arguments are otherwise guaranteed to be valid C strings. + let cstr = unsafe { CStr::from_ptr(ptr) }; + vec.push(OsStringExt::from_vec(cstr.to_bytes().to_vec())); } - let vec = unsafe { - let (argc, argv) = - (*_NSGetArgc() as isize, *_NSGetArgv() as *const *const libc::c_char); - (0..argc as isize) - .map(|i| { - let bytes = CStr::from_ptr(*argv.offset(i)).to_bytes().to_vec(); - OsStringExt::from_vec(bytes) - }) - .collect::>() - }; Args { iter: vec.into_iter() } } } From 9b45cfdbdde020682d167ffd9f512fd8401d8cfe Mon Sep 17 00:00:00 2001 From: Georg Semmler Date: Sat, 4 May 2024 14:26:24 +0200 Subject: [PATCH 0223/1716] Actually use the `#[do_not_recommend]` attribute if present This change tweaks the error message generation to actually use the `#[do_not_recommend]` attribute if present by just skipping the marked trait impl in favour of the parent impl. It also adds a compile test for this behaviour. Without this change the test would output the following error: ``` error[E0277]: the trait bound `&str: Expression` is not satisfied --> /home/weiznich/Documents/rust/rust/tests/ui/diagnostic_namespace/do_not_recommend.rs:53:15 | LL | SelectInt.check("bar"); | ^^^^^ the trait `Expression` is not implemented for `&str`, which is required by `&str: AsExpression` | = help: the following other types implement trait `Expression`: Bound SelectInt note: required for `&str` to implement `AsExpression` --> /home/weiznich/Documents/rust/rust/tests/ui/diagnostic_namespace/do_not_recommend.rs:26:13 | LL | impl AsExpression for T | ^^^^^^^^^^^^^^^^ ^ LL | where LL | T: Expression, | ------------------------ unsatisfied trait bound introduced here ``` Note how that mentions `&str: Expression` before and now mentions `&str: AsExpression` instead which is much more helpful for users. Open points for further changes before stabilization: * We likely want to move the attribute to the `#[diagnostic]` namespace to relax the guarantees given? * How does it interact with the new trait solver? --- .../error_reporting/type_err_ctxt_ext.rs | 26 ++++++++ .../as_expression.current.stderr | 12 ++++ .../as_expression.next.stderr | 21 +++++++ .../do_not_recommend/as_expression.rs | 60 +++++++++++++++++++ .../do_not_recommend/simple.current.stderr | 11 +--- .../do_not_recommend/simple.next.stderr | 4 +- .../do_not_recommend/simple.rs | 5 +- .../do_not_recommend/stacked.current.stderr | 15 +++++ .../do_not_recommend/stacked.next.stderr | 15 +++++ .../do_not_recommend/stacked.rs | 21 +++++++ .../feature-gate-do_not_recommend.stderr | 12 +--- 11 files changed, 177 insertions(+), 25 deletions(-) create mode 100644 tests/ui/diagnostic_namespace/do_not_recommend/as_expression.current.stderr create mode 100644 tests/ui/diagnostic_namespace/do_not_recommend/as_expression.next.stderr create mode 100644 tests/ui/diagnostic_namespace/do_not_recommend/as_expression.rs create mode 100644 tests/ui/diagnostic_namespace/do_not_recommend/stacked.current.stderr create mode 100644 tests/ui/diagnostic_namespace/do_not_recommend/stacked.next.stderr create mode 100644 tests/ui/diagnostic_namespace/do_not_recommend/stacked.rs diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs index d693bac90dc4..20dfb5e6642d 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs @@ -422,6 +422,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { ty::PredicateKind::Clause(ty::ClauseKind::Trait(trait_predicate)) => { let trait_predicate = bound_predicate.rebind(trait_predicate); let trait_predicate = self.resolve_vars_if_possible(trait_predicate); + let trait_predicate = self.apply_do_not_recommend(trait_predicate, &mut obligation); // Let's use the root obligation as the main message, when we care about the // most general case ("X doesn't implement Pattern<'_>") over the case that @@ -1003,6 +1004,31 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { err.emit() } + fn apply_do_not_recommend( + &self, + mut trait_predicate: ty::Binder<'tcx, ty::TraitPredicate<'tcx>>, + obligation: &'_ mut PredicateObligation<'tcx>, + ) -> ty::Binder<'tcx, ty::TraitPredicate<'tcx>> { + let mut base_cause = obligation.cause.code().clone(); + loop { + if let ObligationCauseCode::ImplDerived(ref c) = base_cause { + if self.tcx.has_attr(c.impl_or_alias_def_id, sym::do_not_recommend) { + let code = (*c.derived.parent_code).clone(); + obligation.cause.map_code(|_| code); + obligation.predicate = c.derived.parent_trait_pred.upcast(self.tcx); + trait_predicate = c.derived.parent_trait_pred.clone(); + } + } + if let Some((parent_cause, _parent_pred)) = base_cause.parent() { + base_cause = parent_cause.clone(); + } else { + break; + } + } + + trait_predicate + } + fn emit_specialized_closure_kind_error( &self, obligation: &PredicateObligation<'tcx>, diff --git a/tests/ui/diagnostic_namespace/do_not_recommend/as_expression.current.stderr b/tests/ui/diagnostic_namespace/do_not_recommend/as_expression.current.stderr new file mode 100644 index 000000000000..41f222e46a77 --- /dev/null +++ b/tests/ui/diagnostic_namespace/do_not_recommend/as_expression.current.stderr @@ -0,0 +1,12 @@ +error[E0277]: the trait bound `&str: AsExpression` is not satisfied + --> $DIR/as_expression.rs:57:15 + | +LL | SelectInt.check("bar"); + | ^^^^^ the trait `AsExpression` is not implemented for `&str` + | + = help: the trait `AsExpression` is implemented for `&str` + = help: for that trait implementation, expected `Text`, found `Integer` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/diagnostic_namespace/do_not_recommend/as_expression.next.stderr b/tests/ui/diagnostic_namespace/do_not_recommend/as_expression.next.stderr new file mode 100644 index 000000000000..47acf5b968b7 --- /dev/null +++ b/tests/ui/diagnostic_namespace/do_not_recommend/as_expression.next.stderr @@ -0,0 +1,21 @@ +error[E0277]: the trait bound `&str: AsExpression<::SqlType>` is not satisfied + --> $DIR/as_expression.rs:57:21 + | +LL | SelectInt.check("bar"); + | ----- ^^^^^ the trait `AsExpression<::SqlType>` is not implemented for `&str` + | | + | required by a bound introduced by this call + | + = help: the trait `AsExpression` is implemented for `&str` +note: required by a bound in `Foo::check` + --> $DIR/as_expression.rs:48:12 + | +LL | fn check(&self, _: T) -> ::SqlType>>::Expression + | ----- required by a bound in this associated function +LL | where +LL | T: AsExpression, + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Foo::check` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/diagnostic_namespace/do_not_recommend/as_expression.rs b/tests/ui/diagnostic_namespace/do_not_recommend/as_expression.rs new file mode 100644 index 000000000000..9cdc193d386d --- /dev/null +++ b/tests/ui/diagnostic_namespace/do_not_recommend/as_expression.rs @@ -0,0 +1,60 @@ +//@ revisions: current next +//@ ignore-compare-mode-next-solver (explicit revisions) +//@[next] compile-flags: -Znext-solver + +#![feature(do_not_recommend)] + +pub trait Expression { + type SqlType; +} + +pub trait AsExpression { + type Expression: Expression; +} + +pub struct Text; +pub struct Integer; + +pub struct Bound(T); +pub struct SelectInt; + +impl Expression for SelectInt { + type SqlType = Integer; +} + +impl Expression for Bound { + type SqlType = T; +} + +#[do_not_recommend] +impl AsExpression for T +where + T: Expression, +{ + type Expression = T; +} + +impl AsExpression for i32 { + type Expression = Bound; +} + +impl AsExpression for &'_ str { + type Expression = Bound; +} + +trait Foo: Expression + Sized { + fn check(&self, _: T) -> ::SqlType>>::Expression + where + T: AsExpression, + { + todo!() + } +} + +impl Foo for T where T: Expression {} + +fn main() { + SelectInt.check("bar"); + //[next]~^ ERROR the trait bound `&str: AsExpression<::SqlType>` is not satisfied + //[current]~^^ ERROR the trait bound `&str: AsExpression` is not satisfied +} diff --git a/tests/ui/diagnostic_namespace/do_not_recommend/simple.current.stderr b/tests/ui/diagnostic_namespace/do_not_recommend/simple.current.stderr index a4d4b7b359ec..729cb5694e21 100644 --- a/tests/ui/diagnostic_namespace/do_not_recommend/simple.current.stderr +++ b/tests/ui/diagnostic_namespace/do_not_recommend/simple.current.stderr @@ -1,16 +1,11 @@ error[E0277]: the trait bound `*mut (): Foo` is not satisfied - --> $DIR/simple.rs:19:17 + --> $DIR/simple.rs:17:17 | LL | needs_foo::<*mut ()>(); - | ^^^^^^^ the trait `Send` is not implemented for `*mut ()`, which is required by `*mut (): Foo` + | ^^^^^^^ the trait `Foo` is not implemented for `*mut ()` | -note: required for `*mut ()` to implement `Foo` - --> $DIR/simple.rs:10:9 - | -LL | impl Foo for T where T: Send {} - | ^^^ ^ ---- unsatisfied trait bound introduced here note: required by a bound in `needs_foo` - --> $DIR/simple.rs:14:17 + --> $DIR/simple.rs:12:17 | LL | fn needs_foo() {} | ^^^ required by this bound in `needs_foo` diff --git a/tests/ui/diagnostic_namespace/do_not_recommend/simple.next.stderr b/tests/ui/diagnostic_namespace/do_not_recommend/simple.next.stderr index 1341ca8175af..729cb5694e21 100644 --- a/tests/ui/diagnostic_namespace/do_not_recommend/simple.next.stderr +++ b/tests/ui/diagnostic_namespace/do_not_recommend/simple.next.stderr @@ -1,11 +1,11 @@ error[E0277]: the trait bound `*mut (): Foo` is not satisfied - --> $DIR/simple.rs:19:17 + --> $DIR/simple.rs:17:17 | LL | needs_foo::<*mut ()>(); | ^^^^^^^ the trait `Foo` is not implemented for `*mut ()` | note: required by a bound in `needs_foo` - --> $DIR/simple.rs:14:17 + --> $DIR/simple.rs:12:17 | LL | fn needs_foo() {} | ^^^ required by this bound in `needs_foo` diff --git a/tests/ui/diagnostic_namespace/do_not_recommend/simple.rs b/tests/ui/diagnostic_namespace/do_not_recommend/simple.rs index 15ff80ae4d95..6fb15b90138a 100644 --- a/tests/ui/diagnostic_namespace/do_not_recommend/simple.rs +++ b/tests/ui/diagnostic_namespace/do_not_recommend/simple.rs @@ -8,8 +8,6 @@ trait Foo {} #[do_not_recommend] impl Foo for T where T: Send {} -//[current]~^ NOTE required for `*mut ()` to implement `Foo` -//[current]~| NOTE unsatisfied trait bound introduced here fn needs_foo() {} //~^ NOTE required by a bound in `needs_foo` @@ -18,6 +16,5 @@ fn needs_foo() {} fn main() { needs_foo::<*mut ()>(); //~^ ERROR the trait bound `*mut (): Foo` is not satisfied - //[current]~| NOTE the trait `Send` is not implemented for `*mut ()` - //[next]~| NOTE the trait `Foo` is not implemented for `*mut ()` + //~| NOTE the trait `Foo` is not implemented for `*mut ()` } diff --git a/tests/ui/diagnostic_namespace/do_not_recommend/stacked.current.stderr b/tests/ui/diagnostic_namespace/do_not_recommend/stacked.current.stderr new file mode 100644 index 000000000000..41a10a61e1df --- /dev/null +++ b/tests/ui/diagnostic_namespace/do_not_recommend/stacked.current.stderr @@ -0,0 +1,15 @@ +error[E0277]: the trait bound `(): Root` is not satisfied + --> $DIR/stacked.rs:19:18 + | +LL | needs_root::<()>(); + | ^^ the trait `Root` is not implemented for `()` + | +note: required by a bound in `needs_root` + --> $DIR/stacked.rs:16:18 + | +LL | fn needs_root() {} + | ^^^^ required by this bound in `needs_root` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/diagnostic_namespace/do_not_recommend/stacked.next.stderr b/tests/ui/diagnostic_namespace/do_not_recommend/stacked.next.stderr new file mode 100644 index 000000000000..41a10a61e1df --- /dev/null +++ b/tests/ui/diagnostic_namespace/do_not_recommend/stacked.next.stderr @@ -0,0 +1,15 @@ +error[E0277]: the trait bound `(): Root` is not satisfied + --> $DIR/stacked.rs:19:18 + | +LL | needs_root::<()>(); + | ^^ the trait `Root` is not implemented for `()` + | +note: required by a bound in `needs_root` + --> $DIR/stacked.rs:16:18 + | +LL | fn needs_root() {} + | ^^^^ required by this bound in `needs_root` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/diagnostic_namespace/do_not_recommend/stacked.rs b/tests/ui/diagnostic_namespace/do_not_recommend/stacked.rs new file mode 100644 index 000000000000..695660d35961 --- /dev/null +++ b/tests/ui/diagnostic_namespace/do_not_recommend/stacked.rs @@ -0,0 +1,21 @@ +//@ revisions: current next +//@ ignore-compare-mode-next-solver (explicit revisions) +//@[next] compile-flags: -Znext-solver + +#![feature(do_not_recommend)] + +trait Root {} +trait DontRecommend {} +trait Other {} + +#[do_not_recommend] +impl Root for T where T: DontRecommend {} + +impl DontRecommend for T where T: Other {} + +fn needs_root() {} + +fn main() { + needs_root::<()>(); + //~^ ERROR the trait bound `(): Root` is not satisfied +} diff --git a/tests/ui/rfcs/rfc-2397-do-not-recommend/feature-gate-do_not_recommend.stderr b/tests/ui/rfcs/rfc-2397-do-not-recommend/feature-gate-do_not_recommend.stderr index 284dacf7000b..e6f199445bf5 100644 --- a/tests/ui/rfcs/rfc-2397-do-not-recommend/feature-gate-do_not_recommend.stderr +++ b/tests/ui/rfcs/rfc-2397-do-not-recommend/feature-gate-do_not_recommend.stderr @@ -2,18 +2,8 @@ error[E0277]: the trait bound `u8: Bar` is not satisfied --> $DIR/feature-gate-do_not_recommend.rs:19:11 | LL | stuff(1u8); - | ----- ^^^ the trait `Foo` is not implemented for `u8`, which is required by `u8: Bar` - | | - | required by a bound introduced by this call + | ^^^ the trait `Bar` is not implemented for `u8` | - = help: the trait `Foo` is implemented for `i32` -note: required for `u8` to implement `Bar` - --> $DIR/feature-gate-do_not_recommend.rs:13:14 - | -LL | impl Bar for T { - | --- ^^^ ^ - | | - | unsatisfied trait bound introduced here note: required by a bound in `stuff` --> $DIR/feature-gate-do_not_recommend.rs:16:13 | From 3ce9b2f95be2bf2c52d404a4b092566aeca3d9c5 Mon Sep 17 00:00:00 2001 From: Pietro Albini Date: Sun, 19 May 2024 10:22:19 +0200 Subject: [PATCH 0224/1716] document what the span of UseTreeKind::Nested is --- compiler/rustc_ast/src/ast.rs | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/compiler/rustc_ast/src/ast.rs b/compiler/rustc_ast/src/ast.rs index 5d37bbd689fe..1a166956075c 100644 --- a/compiler/rustc_ast/src/ast.rs +++ b/compiler/rustc_ast/src/ast.rs @@ -2733,6 +2733,13 @@ pub enum UseTreeKind { /// `use prefix` or `use prefix as rename` Simple(Option), /// `use prefix::{...}` + /// + /// The span represents the braces of the nested group and all elements within: + /// + /// ```text + /// use foo::{bar, baz}; + /// ^^^^^^^^^^ + /// ``` Nested { items: ThinVec<(UseTree, NodeId)>, span: Span }, /// `use prefix::*` Glob, From 5d03c3d3a5a16526fe9db57f7f022d3266e31ed1 Mon Sep 17 00:00:00 2001 From: Pietro Albini Date: Sun, 19 May 2024 10:23:31 +0200 Subject: [PATCH 0225/1716] fix typo --- compiler/rustc_resolve/src/check_unused.rs | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/compiler/rustc_resolve/src/check_unused.rs b/compiler/rustc_resolve/src/check_unused.rs index 5fe68085d653..180e7f6def3a 100644 --- a/compiler/rustc_resolve/src/check_unused.rs +++ b/compiler/rustc_resolve/src/check_unused.rs @@ -299,13 +299,13 @@ fn calc_unused_spans( let mut unused_spans = Vec::new(); let mut to_remove = Vec::new(); - let mut used_childs = 0; + let mut used_children = 0; let mut contains_self = false; let mut previous_unused = false; for (pos, (use_tree, use_tree_id)) in nested.iter().enumerate() { let remove = match calc_unused_spans(unused_import, use_tree, *use_tree_id) { UnusedSpanResult::Used => { - used_childs += 1; + used_children += 1; None } UnusedSpanResult::Unused { mut spans, remove } => { @@ -313,7 +313,7 @@ fn calc_unused_spans( Some(remove) } UnusedSpanResult::PartialUnused { mut spans, remove: mut to_remove_extra } => { - used_childs += 1; + used_children += 1; unused_spans.append(&mut spans); to_remove.append(&mut to_remove_extra); None @@ -322,7 +322,7 @@ fn calc_unused_spans( if let Some(remove) = remove { let remove_span = if nested.len() == 1 { remove - } else if pos == nested.len() - 1 || used_childs > 0 { + } else if pos == nested.len() - 1 || used_children > 0 { // Delete everything from the end of the last import, to delete the // previous comma nested[pos - 1].0.span.shrink_to_hi().to(use_tree.span) @@ -346,7 +346,7 @@ fn calc_unused_spans( } if unused_spans.is_empty() { UnusedSpanResult::Used - } else if used_childs == 0 { + } else if used_children == 0 { UnusedSpanResult::Unused { spans: unused_spans, remove: full_span } } else { // If there is only one remaining child that is used, the braces around the use @@ -360,7 +360,7 @@ fn calc_unused_spans( // `self`: `use foo::{self};` is valid Rust syntax, while `use foo::self;` errors // out. We also cannot turn `use foo::{self}` into `use foo`, as the former doesn't // import types with the same name as the module. - if used_childs == 1 && !contains_self { + if used_children == 1 && !contains_self { // Left brace, from the start of the nested group to the first item. to_remove.push( tree_span.shrink_to_lo().to(nested.first().unwrap().0.span.shrink_to_lo()), From 1ba83f2dc11ce0f2249e597bb59839bb8ea8df6b Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sun, 19 May 2024 10:35:38 +0200 Subject: [PATCH 0226/1716] Preparing for merge from rustc --- src/tools/miri/rust-version | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/miri/rust-version b/src/tools/miri/rust-version index fad70bd6885f..207ef6c5de74 100644 --- a/src/tools/miri/rust-version +++ b/src/tools/miri/rust-version @@ -1 +1 @@ -b71e8cbaf2c7cae4d36898fff1d0ba19d9233082 +6579ed89f0fcc26da71afdd11d30d63f6f812a0a From 0f4d94a5b022ee611a53d5d3818fb7cdb604a5bd Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Lauren=C8=9Biu=20Nicola?= Date: Sun, 19 May 2024 11:53:08 +0300 Subject: [PATCH 0227/1716] Add option-ext to RA license exception list --- src/tools/tidy/src/deps.rs | 1 + 1 file changed, 1 insertion(+) diff --git a/src/tools/tidy/src/deps.rs b/src/tools/tidy/src/deps.rs index 1b73b67b7557..58f4455ae2f4 100644 --- a/src/tools/tidy/src/deps.rs +++ b/src/tools/tidy/src/deps.rs @@ -135,6 +135,7 @@ const EXCEPTIONS_RUST_ANALYZER: ExceptionList = &[ // tidy-alphabetical-start ("dissimilar", "Apache-2.0"), ("notify", "CC0-1.0"), + ("option-ext", "MPL-2.0"), ("pulldown-cmark-to-cmark", "Apache-2.0"), ("rustc_apfloat", "Apache-2.0 WITH LLVM-exception"), ("ryu", "Apache-2.0 OR BSL-1.0"), // BSL is not acceptble, but we use it under Apache-2.0 From 430298c3adc16e09d9fbd8f295b404fdb682d9eb Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sun, 19 May 2024 11:48:51 +0200 Subject: [PATCH 0228/1716] a bit of refactoring and tweak the aligned-allocation tests --- src/tools/miri/src/shims/alloc.rs | 7 +- .../miri/src/shims/unix/foreign_items.rs | 3 - .../miri/src/shims/wasi/foreign_items.rs | 3 - .../miri/tests/pass-dep/libc/libc-mem.rs | 110 +++++++++--------- 4 files changed, 61 insertions(+), 62 deletions(-) diff --git a/src/tools/miri/src/shims/alloc.rs b/src/tools/miri/src/shims/alloc.rs index 6c18989caad2..bd84de81e693 100644 --- a/src/tools/miri/src/shims/alloc.rs +++ b/src/tools/miri/src/shims/alloc.rs @@ -175,10 +175,13 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { fn aligned_alloc( &mut self, - align: u64, - size: u64, + align: &OpTy<'tcx, Provenance>, + size: &OpTy<'tcx, Provenance>, ) -> InterpResult<'tcx, Pointer>> { let this = self.eval_context_mut(); + let align = this.read_target_usize(align)?; + let size = this.read_target_usize(size)?; + // Alignment must be a power of 2, and "supported by the implementation". // We decide that "supported by the implementation" means that the // size must be a multiple of the alignment. (This restriction seems common diff --git a/src/tools/miri/src/shims/unix/foreign_items.rs b/src/tools/miri/src/shims/unix/foreign_items.rs index ca59e6e65019..74fb2fb4b2b1 100644 --- a/src/tools/miri/src/shims/unix/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/foreign_items.rs @@ -300,9 +300,6 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { // (MSVC explicitly does not support this.) let [align, size] = this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?; - let align = this.read_target_usize(align)?; - let size = this.read_target_usize(size)?; - let res = this.aligned_alloc(align, size)?; this.write_pointer(res, dest)?; } diff --git a/src/tools/miri/src/shims/wasi/foreign_items.rs b/src/tools/miri/src/shims/wasi/foreign_items.rs index 9c0a8e663906..d911f43eb620 100644 --- a/src/tools/miri/src/shims/wasi/foreign_items.rs +++ b/src/tools/miri/src/shims/wasi/foreign_items.rs @@ -29,9 +29,6 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { "aligned_alloc" => { let [align, size] = this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?; - let align = this.read_target_usize(align)?; - let size = this.read_target_usize(size)?; - let res = this.aligned_alloc(align, size)?; this.write_pointer(res, dest)?; } diff --git a/src/tools/miri/tests/pass-dep/libc/libc-mem.rs b/src/tools/miri/tests/pass-dep/libc/libc-mem.rs index 25aef0a183a5..aa383a99bc28 100644 --- a/src/tools/miri/tests/pass-dep/libc/libc-mem.rs +++ b/src/tools/miri/tests/pass-dep/libc/libc-mem.rs @@ -148,53 +148,55 @@ fn test_calloc() { #[cfg(not(target_os = "windows"))] fn test_memalign() { - // A normal allocation. - unsafe { - let mut ptr: *mut libc::c_void = ptr::null_mut(); - let align = 8; - let size = 64; - assert_eq!(libc::posix_memalign(&mut ptr, align, size), 0); - assert!(!ptr.is_null()); - assert!(ptr.is_aligned_to(align)); - ptr.cast::().write_bytes(1, size); - libc::free(ptr); - } + for _ in 0..16 { + // A normal allocation. + unsafe { + let mut ptr: *mut libc::c_void = ptr::null_mut(); + let align = 8; + let size = 64; + assert_eq!(libc::posix_memalign(&mut ptr, align, size), 0); + assert!(!ptr.is_null()); + assert!(ptr.is_aligned_to(align)); + ptr.cast::().write_bytes(1, size); + libc::free(ptr); + } - // Align > size. - unsafe { - let mut ptr: *mut libc::c_void = ptr::null_mut(); - let align = 64; - let size = 8; - assert_eq!(libc::posix_memalign(&mut ptr, align, size), 0); - assert!(!ptr.is_null()); - assert!(ptr.is_aligned_to(align)); - ptr.cast::().write_bytes(1, size); - libc::free(ptr); - } + // Align > size. + unsafe { + let mut ptr: *mut libc::c_void = ptr::null_mut(); + let align = 64; + let size = 8; + assert_eq!(libc::posix_memalign(&mut ptr, align, size), 0); + assert!(!ptr.is_null()); + assert!(ptr.is_aligned_to(align)); + ptr.cast::().write_bytes(1, size); + libc::free(ptr); + } - // Size not multiple of align - unsafe { - let mut ptr: *mut libc::c_void = ptr::null_mut(); - let align = 16; - let size = 31; - assert_eq!(libc::posix_memalign(&mut ptr, align, size), 0); - assert!(!ptr.is_null()); - assert!(ptr.is_aligned_to(align)); - ptr.cast::().write_bytes(1, size); - libc::free(ptr); - } + // Size not multiple of align + unsafe { + let mut ptr: *mut libc::c_void = ptr::null_mut(); + let align = 16; + let size = 31; + assert_eq!(libc::posix_memalign(&mut ptr, align, size), 0); + assert!(!ptr.is_null()); + assert!(ptr.is_aligned_to(align)); + ptr.cast::().write_bytes(1, size); + libc::free(ptr); + } - // Size == 0 - unsafe { - let mut ptr: *mut libc::c_void = ptr::null_mut(); - let align = 64; - let size = 0; - assert_eq!(libc::posix_memalign(&mut ptr, align, size), 0); - // Non-null pointer is returned if size == 0. - // (This is not a guarantee, it just reflects our current behavior.) - assert!(!ptr.is_null()); - assert!(ptr.is_aligned_to(align)); - libc::free(ptr); + // Size == 0 + unsafe { + let mut ptr: *mut libc::c_void = ptr::null_mut(); + let align = 64; + let size = 0; + assert_eq!(libc::posix_memalign(&mut ptr, align, size), 0); + // Non-null pointer is returned if size == 0. + // (This is not a guarantee, it just reflects our current behavior.) + assert!(!ptr.is_null()); + assert!(ptr.is_aligned_to(align)); + libc::free(ptr); + } } // Non-power of 2 align @@ -260,20 +262,20 @@ fn test_aligned_alloc() { assert_eq!(p, ptr::null_mut()); } - // alignment lesser than a word but still a successful allocation - unsafe { - let p = aligned_alloc(1, 4); - assert!(!p.is_null()); - assert!(p.is_aligned_to(4)); - libc::free(p); - } - // repeated tests on correct alignment/size for _ in 0..16 { + // alignment 1, size 4 should succeed and actually must align to 4 (because C says so...) unsafe { - let p = aligned_alloc(16, 16); + let p = aligned_alloc(1, 4); assert!(!p.is_null()); - assert!(p.is_aligned_to(16)); + assert!(p.is_aligned_to(4)); + libc::free(p); + } + + unsafe { + let p = aligned_alloc(64, 64); + assert!(!p.is_null()); + assert!(p.is_aligned_to(64)); libc::free(p); } } From 844de64396bfa0d545513f35ef6091fe63ce03e0 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sun, 19 May 2024 11:12:09 +0200 Subject: [PATCH 0229/1716] make basic things work on Android --- src/tools/miri/ci/ci.sh | 11 ++++--- src/tools/miri/src/shims/extern_static.rs | 18 ++++------- .../src/shims/unix/android/foreign_items.rs | 32 +++++++++++++++++++ src/tools/miri/src/shims/unix/android/mod.rs | 1 + .../miri/src/shims/unix/foreign_items.rs | 11 ++++--- src/tools/miri/src/shims/unix/mod.rs | 1 + .../tests/fail/environ-gets-deallocated.rs | 14 -------- .../miri/tests/pass-dep/libc/libc-misc.rs | 20 +++++++++++- src/tools/miri/tests/pass/shims/env/home.rs | 8 +++-- 9 files changed, 79 insertions(+), 37 deletions(-) create mode 100644 src/tools/miri/src/shims/unix/android/foreign_items.rs create mode 100644 src/tools/miri/src/shims/unix/android/mod.rs diff --git a/src/tools/miri/ci/ci.sh b/src/tools/miri/ci/ci.sh index 2a6ca8f47831..50ac4539c262 100755 --- a/src/tools/miri/ci/ci.sh +++ b/src/tools/miri/ci/ci.sh @@ -145,11 +145,12 @@ case $HOST_TARGET in TEST_TARGET=s390x-unknown-linux-gnu run_tests # big-endian architecture of choice # Partially supported targets (tier 2) BASIC="empty_main integer vec string btreemap hello hashmap heap_alloc align" # ensures we have the basics: stdout/stderr, system allocator, randomness (for HashMap initialization) - TEST_TARGET=x86_64-unknown-freebsd run_tests_minimal $BASIC panic/panic concurrency/simple atomic threadname libc-mem libc-misc libc-random libc-time fs env num_cpus - TEST_TARGET=i686-unknown-freebsd run_tests_minimal $BASIC panic/panic concurrency/simple atomic threadname libc-mem libc-misc libc-random libc-time fs env num_cpus - TEST_TARGET=x86_64-unknown-illumos run_tests_minimal $BASIC panic/panic concurrency/simple pthread-sync libc-mem libc-misc libc-random env - TEST_TARGET=x86_64-pc-solaris run_tests_minimal $BASIC panic/panic concurrency/simple pthread-sync libc-mem libc-misc libc-random env - TEST_TARGET=aarch64-linux-android run_tests_minimal empty_main hello panic/panic + UNIX="panic/panic concurrency/simple atomic libc-mem libc-misc libc-random env num_cpus" # the things that are very similar across all Unixes, and hence easily supported there + TEST_TARGET=x86_64-unknown-freebsd run_tests_minimal $BASIC $UNIX threadname libc-time fs + TEST_TARGET=i686-unknown-freebsd run_tests_minimal $BASIC $UNIX threadname libc-time fs + TEST_TARGET=x86_64-unknown-illumos run_tests_minimal $BASIC $UNIX pthread-sync + TEST_TARGET=x86_64-pc-solaris run_tests_minimal $BASIC $UNIX pthread-sync + TEST_TARGET=aarch64-linux-android run_tests_minimal $BASIC $UNIX TEST_TARGET=wasm32-wasi run_tests_minimal empty_main wasm heap_alloc libc-mem TEST_TARGET=wasm32-unknown-unknown run_tests_minimal empty_main wasm TEST_TARGET=thumbv7em-none-eabihf run_tests_minimal no_std diff --git a/src/tools/miri/src/shims/extern_static.rs b/src/tools/miri/src/shims/extern_static.rs index 12fede39e27b..b9817a18773f 100644 --- a/src/tools/miri/src/shims/extern_static.rs +++ b/src/tools/miri/src/shims/extern_static.rs @@ -55,6 +55,12 @@ impl<'mir, 'tcx> MiriMachine<'mir, 'tcx> { let val = ImmTy::from_int(val, this.machine.layouts.u8); Self::alloc_extern_static(this, "__rust_alloc_error_handler_should_panic", val)?; + if this.target_os_is_unix() { + // "environ" is mandated by POSIX. + let environ = this.machine.env_vars.unix().environ(); + Self::add_extern_static(this, "environ", environ); + } + match this.tcx.sess.target.os.as_ref() { "linux" => { Self::null_ptr_extern_statics( @@ -62,23 +68,13 @@ impl<'mir, 'tcx> MiriMachine<'mir, 'tcx> { &["__cxa_thread_atexit_impl", "__clock_gettime64"], )?; Self::weak_symbol_extern_statics(this, &["getrandom", "statx"])?; - // "environ" - let environ = this.machine.env_vars.unix().environ(); - Self::add_extern_static(this, "environ", environ); } "freebsd" => { Self::null_ptr_extern_statics(this, &["__cxa_thread_atexit_impl"])?; - // "environ" - let environ = this.machine.env_vars.unix().environ(); - Self::add_extern_static(this, "environ", environ); } "android" => { Self::null_ptr_extern_statics(this, &["bsd_signal"])?; - Self::weak_symbol_extern_statics(this, &["signal"])?; - } - "solaris" | "illumos" => { - let environ = this.machine.env_vars.unix().environ(); - Self::add_extern_static(this, "environ", environ); + Self::weak_symbol_extern_statics(this, &["signal", "getrandom"])?; } "windows" => { // "_tls_used" diff --git a/src/tools/miri/src/shims/unix/android/foreign_items.rs b/src/tools/miri/src/shims/unix/android/foreign_items.rs new file mode 100644 index 000000000000..f85b8a725f2f --- /dev/null +++ b/src/tools/miri/src/shims/unix/android/foreign_items.rs @@ -0,0 +1,32 @@ +use rustc_span::Symbol; +use rustc_target::spec::abi::Abi; + +use crate::*; + +pub fn is_dyn_sym(_name: &str) -> bool { + false +} + +impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} +pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { + fn emulate_foreign_item_inner( + &mut self, + link_name: Symbol, + abi: Abi, + args: &[OpTy<'tcx, Provenance>], + dest: &MPlaceTy<'tcx, Provenance>, + ) -> InterpResult<'tcx, EmulateItemResult> { + let this = self.eval_context_mut(); + match link_name.as_str() { + // Miscellaneous + "__errno" => { + let [] = this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?; + let errno_place = this.last_error_place()?; + this.write_scalar(errno_place.to_ref(this).to_scalar(), dest)?; + } + + _ => return Ok(EmulateItemResult::NotSupported), + } + Ok(EmulateItemResult::NeedsJumping) + } +} diff --git a/src/tools/miri/src/shims/unix/android/mod.rs b/src/tools/miri/src/shims/unix/android/mod.rs new file mode 100644 index 000000000000..09c6507b24f8 --- /dev/null +++ b/src/tools/miri/src/shims/unix/android/mod.rs @@ -0,0 +1 @@ +pub mod foreign_items; diff --git a/src/tools/miri/src/shims/unix/foreign_items.rs b/src/tools/miri/src/shims/unix/foreign_items.rs index 78d297d4b040..9daaebecc3b9 100644 --- a/src/tools/miri/src/shims/unix/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/foreign_items.rs @@ -9,6 +9,7 @@ use crate::shims::alloc::EvalContextExt as _; use crate::shims::unix::*; use crate::*; +use shims::unix::android::foreign_items as android; use shims::unix::freebsd::foreign_items as freebsd; use shims::unix::linux::foreign_items as linux; use shims::unix::macos::foreign_items as macos; @@ -26,6 +27,7 @@ pub fn is_dyn_sym(name: &str, target_os: &str) -> bool { // Give specific OSes a chance to allow their symbols. _ => match target_os { + "android" => android::is_dyn_sym(name), "freebsd" => freebsd::is_dyn_sym(name), "linux" => linux::is_dyn_sym(name), "macos" => macos::is_dyn_sym(name), @@ -267,7 +269,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { "reallocarray" => { // Currently this function does not exist on all Unixes, e.g. on macOS. - if !matches!(&*this.tcx.sess.target.os, "linux" | "freebsd") { + if !matches!(&*this.tcx.sess.target.os, "linux" | "freebsd" | "android") { throw_unsup_format!( "`reallocarray` is not supported on {}", this.tcx.sess.target.os @@ -585,7 +587,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { "getentropy" => { // This function is non-standard but exists with the same signature and behavior on // Linux, macOS, FreeBSD and Solaris/Illumos. - if !matches!(&*this.tcx.sess.target.os, "linux" | "macos" | "freebsd" | "illumos" | "solaris") { + if !matches!(&*this.tcx.sess.target.os, "linux" | "macos" | "freebsd" | "illumos" | "solaris" | "android") { throw_unsup_format!( "`getentropy` is not supported on {}", this.tcx.sess.target.os @@ -614,9 +616,9 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { "getrandom" => { // This function is non-standard but exists with the same signature and behavior on // Linux, FreeBSD and Solaris/Illumos. - if !matches!(&*this.tcx.sess.target.os, "linux" | "freebsd" | "illumos" | "solaris") { + if !matches!(&*this.tcx.sess.target.os, "linux" | "freebsd" | "illumos" | "solaris" | "android") { throw_unsup_format!( - "`getentropy` is not supported on {}", + "`getrandom` is not supported on {}", this.tcx.sess.target.os ); } @@ -740,6 +742,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { _ => { let target_os = &*this.tcx.sess.target.os; return match target_os { + "android" => android::EvalContextExt::emulate_foreign_item_inner(this, link_name, abi, args, dest), "freebsd" => freebsd::EvalContextExt::emulate_foreign_item_inner(this, link_name, abi, args, dest), "linux" => linux::EvalContextExt::emulate_foreign_item_inner(this, link_name, abi, args, dest), "macos" => macos::EvalContextExt::emulate_foreign_item_inner(this, link_name, abi, args, dest), diff --git a/src/tools/miri/src/shims/unix/mod.rs b/src/tools/miri/src/shims/unix/mod.rs index 6dee30d895c7..dc9068fddde1 100644 --- a/src/tools/miri/src/shims/unix/mod.rs +++ b/src/tools/miri/src/shims/unix/mod.rs @@ -8,6 +8,7 @@ mod socket; mod sync; mod thread; +mod android; mod freebsd; mod linux; mod macos; diff --git a/src/tools/miri/tests/fail/environ-gets-deallocated.rs b/src/tools/miri/tests/fail/environ-gets-deallocated.rs index 08545a72567a..5391a9176d0d 100644 --- a/src/tools/miri/tests/fail/environ-gets-deallocated.rs +++ b/src/tools/miri/tests/fail/environ-gets-deallocated.rs @@ -1,11 +1,5 @@ //@ignore-target-windows: Windows does not have a global environ list that the program can access directly -#[cfg(any( - target_os = "linux", - target_os = "freebsd", - target_os = "solaris", - target_os = "illumos" -))] fn get_environ() -> *const *const u8 { extern "C" { static mut environ: *const *const u8; @@ -13,14 +7,6 @@ fn get_environ() -> *const *const u8 { unsafe { environ } } -#[cfg(target_os = "macos")] -fn get_environ() -> *const *const u8 { - extern "C" { - fn _NSGetEnviron() -> *mut *const *const u8; - } - unsafe { *_NSGetEnviron() } -} - fn main() { let pointer = get_environ(); let _x = unsafe { *pointer }; diff --git a/src/tools/miri/tests/pass-dep/libc/libc-misc.rs b/src/tools/miri/tests/pass-dep/libc/libc-misc.rs index 736e0bf8eb7f..f7e1d9faa6a2 100644 --- a/src/tools/miri/tests/pass-dep/libc/libc-misc.rs +++ b/src/tools/miri/tests/pass-dep/libc/libc-misc.rs @@ -10,9 +10,11 @@ use std::mem::transmute; fn test_thread_local_errno() { #[cfg(any(target_os = "illumos", target_os = "solaris"))] use libc::___errno as __errno_location; + #[cfg(target_os = "android")] + use libc::__errno as __errno_location; #[cfg(target_os = "linux")] use libc::__errno_location; - #[cfg(any(target_os = "macos", target_os = "freebsd"))] + #[cfg(any(target_os = "freebsd", target_os = "macos"))] use libc::__error as __errno_location; unsafe { @@ -28,6 +30,21 @@ fn test_thread_local_errno() { } } +fn test_environ() { + // Just a smoke test for now, checking that the extern static exists. + extern "C" { + static mut environ: *const *const libc::c_char; + } + + unsafe { + let mut e = environ; + // Iterate to the end. + while !(*e).is_null() { + e = e.add(1); + } + } +} + #[cfg(target_os = "linux")] fn test_sigrt() { let min = libc::SIGRTMIN(); @@ -60,6 +77,7 @@ fn test_dlsym() { fn main() { test_thread_local_errno(); + test_environ(); test_dlsym(); diff --git a/src/tools/miri/tests/pass/shims/env/home.rs b/src/tools/miri/tests/pass/shims/env/home.rs index c237f9ed9ffa..8b4b907a51dd 100644 --- a/src/tools/miri/tests/pass/shims/env/home.rs +++ b/src/tools/miri/tests/pass/shims/env/home.rs @@ -2,8 +2,12 @@ use std::env; fn main() { - env::remove_var("HOME"); // make sure we enter the interesting codepath - env::remove_var("USERPROFILE"); // Windows also looks as this env var + // Remove the env vars to hit the underlying shim -- except + // on android where the env var is all we have. + #[cfg(not(target_os = "android"))] + env::remove_var("HOME"); + env::remove_var("USERPROFILE"); + #[allow(deprecated)] env::home_dir().unwrap(); } From 2b9c1caa18f524d69258a9ec6d55c9df70c7e832 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sun, 19 May 2024 14:01:52 +0200 Subject: [PATCH 0230/1716] properly print error in 'cargo miri setup --print-sysroot' --- src/tools/miri/cargo-miri/Cargo.lock | 4 +- src/tools/miri/cargo-miri/Cargo.toml | 2 +- src/tools/miri/cargo-miri/src/setup.rs | 65 +++++++++------------- src/tools/miri/miri-script/src/commands.rs | 23 +++----- 4 files changed, 36 insertions(+), 58 deletions(-) diff --git a/src/tools/miri/cargo-miri/Cargo.lock b/src/tools/miri/cargo-miri/Cargo.lock index 7d965dce07db..8bd8f1030532 100644 --- a/src/tools/miri/cargo-miri/Cargo.lock +++ b/src/tools/miri/cargo-miri/Cargo.lock @@ -178,9 +178,9 @@ dependencies = [ [[package]] name = "rustc-build-sysroot" -version = "0.5.0" +version = "0.5.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "de6077473f0c46779b49e4587a81f1b8919e0ec26630409ecfda0ba3259efb43" +checksum = "fa3ca63cc537c1cb69e4c2c0afc5fda2ccd36ac84c97d5a4ae05e69b1c834afb" dependencies = [ "anyhow", "rustc_version", diff --git a/src/tools/miri/cargo-miri/Cargo.toml b/src/tools/miri/cargo-miri/Cargo.toml index a68854de625d..6acdbc46f642 100644 --- a/src/tools/miri/cargo-miri/Cargo.toml +++ b/src/tools/miri/cargo-miri/Cargo.toml @@ -18,7 +18,7 @@ directories = "5" rustc_version = "0.4" serde_json = "1.0.40" cargo_metadata = "0.18.0" -rustc-build-sysroot = "0.5.0" +rustc-build-sysroot = "0.5.2" # Enable some feature flags that dev-dependencies need but dependencies # do not. This makes `./miri install` after `./miri build` faster. diff --git a/src/tools/miri/cargo-miri/src/setup.rs b/src/tools/miri/cargo-miri/src/setup.rs index 508d30453658..fe67aad465cd 100644 --- a/src/tools/miri/cargo-miri/src/setup.rs +++ b/src/tools/miri/cargo-miri/src/setup.rs @@ -2,7 +2,6 @@ use std::env; use std::ffi::OsStr; -use std::fmt::Write; use std::path::PathBuf; use std::process::{self, Command}; @@ -24,6 +23,7 @@ pub fn setup( let only_setup = matches!(subcommand, MiriCommand::Setup); let ask_user = !only_setup; let print_sysroot = only_setup && has_arg_flag("--print-sysroot"); // whether we just print the sysroot path + let show_setup = only_setup && !print_sysroot; if !only_setup { if let Some(sysroot) = std::env::var_os("MIRI_SYSROOT") { // Skip setup step if MIRI_SYSROOT is explicitly set, *unless* we are `cargo miri setup`. @@ -115,18 +115,16 @@ pub fn setup( // `config.toml`. command.env("RUSTC_WRAPPER", ""); - if only_setup && !print_sysroot { + if show_setup { // Forward output. Even make it verbose, if requested. + command.stdout(process::Stdio::inherit()); + command.stderr(process::Stdio::inherit()); for _ in 0..verbose { command.arg("-v"); } if quiet { command.arg("--quiet"); } - } else { - // Suppress output. - command.stdout(process::Stdio::null()); - command.stderr(process::Stdio::null()); } command @@ -137,22 +135,25 @@ pub fn setup( // not apply `RUSTFLAGS` to the sysroot either. let rustflags = &["-Cdebug-assertions=off", "-Coverflow-checks=on"]; + let mut after_build_output = String::new(); // what should be printed when the build is done. let notify = || { - let mut msg = String::new(); - write!(msg, "Preparing a sysroot for Miri (target: {target})").unwrap(); - if verbose > 0 { - write!(msg, " in {}", sysroot_dir.display()).unwrap(); - } - write!(msg, "...").unwrap(); - - if print_sysroot || quiet { - // Be silent. - } else if only_setup { - // We want to be explicit. - eprintln!("{msg}"); - } else { - // We want to be quiet, but still let the user know that something is happening. - eprint!("{msg} "); + if !quiet { + eprint!("Preparing a sysroot for Miri (target: {target})"); + if verbose > 0 { + eprint!(" in {}", sysroot_dir.display()); + } + if show_setup { + // Cargo will print things, so we need to finish this line. + eprintln!("..."); + after_build_output = format!( + "A sysroot for Miri is now available in `{}`.\n", + sysroot_dir.display() + ); + } else { + // Keep all output on a single line. + eprint!("... "); + after_build_output = format!("done\n"); + } } }; @@ -167,31 +168,17 @@ pub fn setup( .build_from_source(&rust_src); match status { Ok(SysrootStatus::AlreadyCached) => - if only_setup && !(print_sysroot || quiet) { + if !quiet && show_setup { eprintln!( "A sysroot for Miri is already available in `{}`.", sysroot_dir.display() ); }, Ok(SysrootStatus::SysrootBuilt) => { - if print_sysroot || quiet { - // Be silent. - } else if only_setup { - eprintln!("A sysroot for Miri is now available in `{}`.", sysroot_dir.display()); - } else { - eprintln!("done"); - } + // Print what `notify` prepared. + eprint!("{after_build_output}"); } - Err(err) => - if print_sysroot { - show_error!("failed to build sysroot") - } else if only_setup { - show_error!("failed to build sysroot: {err:?}") - } else { - show_error!( - "failed to build sysroot; run `cargo miri setup` to see the error details" - ) - }, + Err(err) => show_error!("failed to build sysroot: {err:?}"), } if print_sysroot { diff --git a/src/tools/miri/miri-script/src/commands.rs b/src/tools/miri/miri-script/src/commands.rs index 8e2b07ad8052..7b5a047bf757 100644 --- a/src/tools/miri/miri-script/src/commands.rs +++ b/src/tools/miri/miri-script/src/commands.rs @@ -42,28 +42,19 @@ impl MiriEnv { let target_flag = &target_flag; if !quiet { + eprint!("$ cargo miri setup"); if let Some(target) = target { - eprintln!("$ (building Miri sysroot for {})", target.to_string_lossy()); - } else { - eprintln!("$ (building Miri sysroot)"); + eprint!(" --target {target}", target = target.to_string_lossy()); } + eprintln!(); } - let output = cmd!(self.sh, + let mut cmd = cmd!(self.sh, "cargo +{toolchain} --quiet run {cargo_extra_flags...} --manifest-path {manifest_path} -- miri setup --print-sysroot {target_flag...}" - ).read(); - let Ok(output) = output else { - // Run it again (without `--print-sysroot` or `--quiet`) so the user can see the error. - cmd!( - self.sh, - "cargo +{toolchain} run {cargo_extra_flags...} --manifest-path {manifest_path} -- - miri setup {target_flag...}" - ) - .run() - .with_context(|| "`cargo miri setup` failed")?; - panic!("`cargo miri setup` didn't fail again the 2nd time?"); - }; + ); + cmd.set_quiet(quiet); + let output = cmd.read()?; self.sh.set_var("MIRI_SYSROOT", &output); Ok(output.into()) } From e7772f20881282ede329ed2c19eb479fded4aecd Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sun, 19 May 2024 14:58:48 +0200 Subject: [PATCH 0231/1716] use posix_memalign on most Unix targets --- library/std/src/sys/pal/unix/alloc.rs | 16 +++++++--------- 1 file changed, 7 insertions(+), 9 deletions(-) diff --git a/library/std/src/sys/pal/unix/alloc.rs b/library/std/src/sys/pal/unix/alloc.rs index 2f908e3d0e95..242a054199f4 100644 --- a/library/std/src/sys/pal/unix/alloc.rs +++ b/library/std/src/sys/pal/unix/alloc.rs @@ -59,10 +59,9 @@ unsafe impl GlobalAlloc for System { } cfg_if::cfg_if! { - // We use posix_memalign wherever possible, but not all targets have that function. + // We use posix_memalign wherever possible, but some targets have very incomplete POSIX coverage + // so we need a fallback for those. if #[cfg(any( - target_os = "redox", - target_os = "espidf", target_os = "horizon", target_os = "vita", ))] { @@ -74,12 +73,11 @@ cfg_if::cfg_if! { #[inline] unsafe fn aligned_malloc(layout: &Layout) -> *mut u8 { let mut out = ptr::null_mut(); - // We prefer posix_memalign over aligned_malloc since with aligned_malloc, - // implementations are making almost arbitrary choices for which alignments are - // "supported", making it hard to use. For instance, some implementations require the - // size to be a multiple of the alignment (wasi emmalloc), while others require the - // alignment to be at least the pointer size (Illumos, macOS) -- which may or may not be - // standards-compliant, but that does not help us. + // We prefer posix_memalign over aligned_malloc since it is more widely available, and + // since with aligned_malloc, implementations are making almost arbitrary choices for + // which alignments are "supported", making it hard to use. For instance, some + // implementations require the size to be a multiple of the alignment (wasi emmalloc), + // while others require the alignment to be at least the pointer size (Illumos, macOS). // posix_memalign only has one, clear requirement: that the alignment be a multiple of // `sizeof(void*)`. Since these are all powers of 2, we can just use max. let align = layout.align().max(crate::mem::size_of::()); From 2f8b98c6643c3c1ad94942d54559fbbf1dd16b78 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Sun, 19 May 2024 14:00:12 +0200 Subject: [PATCH 0232/1716] Migrate `run-make/rustdoc-scrape-examples-test` to new `rmake.rs` --- src/tools/tidy/src/allowed_run_make_makefiles.txt | 1 - .../run-make/rustdoc-scrape-examples-invalid-expr/rmake.rs | 2 +- tests/run-make/rustdoc-scrape-examples-ordering/rmake.rs | 2 +- tests/run-make/rustdoc-scrape-examples-remap/rmake.rs | 2 +- tests/run-make/rustdoc-scrape-examples-remap/scrape.rs | 3 ++- tests/run-make/rustdoc-scrape-examples-test/Makefile | 6 ------ tests/run-make/rustdoc-scrape-examples-test/rmake.rs | 6 ++++++ 7 files changed, 11 insertions(+), 11 deletions(-) delete mode 100644 tests/run-make/rustdoc-scrape-examples-test/Makefile create mode 100644 tests/run-make/rustdoc-scrape-examples-test/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index d1ae24007b3d..e08d7ff046d8 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -236,7 +236,6 @@ run-make/rustc-macro-dep-files/Makefile run-make/rustdoc-io-error/Makefile run-make/rustdoc-scrape-examples-macros/Makefile run-make/rustdoc-scrape-examples-multiple/Makefile -run-make/rustdoc-scrape-examples-test/Makefile run-make/rustdoc-scrape-examples-whitespace/Makefile run-make/rustdoc-verify-output-files/Makefile run-make/rustdoc-with-output-option/Makefile diff --git a/tests/run-make/rustdoc-scrape-examples-invalid-expr/rmake.rs b/tests/run-make/rustdoc-scrape-examples-invalid-expr/rmake.rs index 537d3e2d724a..e9c54fa39223 100644 --- a/tests/run-make/rustdoc-scrape-examples-invalid-expr/rmake.rs +++ b/tests/run-make/rustdoc-scrape-examples-invalid-expr/rmake.rs @@ -2,5 +2,5 @@ mod scrape; fn main() { - scrape::scrape(); + scrape::scrape(&[]); } diff --git a/tests/run-make/rustdoc-scrape-examples-ordering/rmake.rs b/tests/run-make/rustdoc-scrape-examples-ordering/rmake.rs index 537d3e2d724a..e9c54fa39223 100644 --- a/tests/run-make/rustdoc-scrape-examples-ordering/rmake.rs +++ b/tests/run-make/rustdoc-scrape-examples-ordering/rmake.rs @@ -2,5 +2,5 @@ mod scrape; fn main() { - scrape::scrape(); + scrape::scrape(&[]); } diff --git a/tests/run-make/rustdoc-scrape-examples-remap/rmake.rs b/tests/run-make/rustdoc-scrape-examples-remap/rmake.rs index d9deaf279ce5..4e3b895aef0c 100644 --- a/tests/run-make/rustdoc-scrape-examples-remap/rmake.rs +++ b/tests/run-make/rustdoc-scrape-examples-remap/rmake.rs @@ -1,5 +1,5 @@ mod scrape; fn main() { - scrape::scrape(); + scrape::scrape(&[]); } diff --git a/tests/run-make/rustdoc-scrape-examples-remap/scrape.rs b/tests/run-make/rustdoc-scrape-examples-remap/scrape.rs index 709388b54921..563e3aca9aed 100644 --- a/tests/run-make/rustdoc-scrape-examples-remap/scrape.rs +++ b/tests/run-make/rustdoc-scrape-examples-remap/scrape.rs @@ -2,7 +2,7 @@ use run_make_support::{htmldocck, rustc, rustdoc, source_path, tmp_dir}; use std::fs::read_dir; use std::path::Path; -pub fn scrape() { +pub fn scrape(extra_args: &[&str]) { let lib_dir = tmp_dir(); let out_dir = tmp_dir().join("rustdoc"); let crate_name = "foobar"; @@ -29,6 +29,7 @@ pub fn scrape() { .arg(&out_example) .arg("--scrape-examples-target-crate") .arg(crate_name) + .args(extra_args) .run(); out_deps.push(out_example); } diff --git a/tests/run-make/rustdoc-scrape-examples-test/Makefile b/tests/run-make/rustdoc-scrape-examples-test/Makefile deleted file mode 100644 index 1235ead67515..000000000000 --- a/tests/run-make/rustdoc-scrape-examples-test/Makefile +++ /dev/null @@ -1,6 +0,0 @@ -extra_flags := --scrape-tests -deps := ex - -include ../rustdoc-scrape-examples-multiple/scrape.mk - -all: scrape diff --git a/tests/run-make/rustdoc-scrape-examples-test/rmake.rs b/tests/run-make/rustdoc-scrape-examples-test/rmake.rs new file mode 100644 index 000000000000..f96ba113ff73 --- /dev/null +++ b/tests/run-make/rustdoc-scrape-examples-test/rmake.rs @@ -0,0 +1,6 @@ +#[path = "../rustdoc-scrape-examples-remap/scrape.rs"] +mod scrape; + +fn main() { + scrape::scrape(&["--scrape-tests"]); +} From 4501ae89f1a442df66e0aeb8f864045d46a98d79 Mon Sep 17 00:00:00 2001 From: Santiago Pastorino Date: Sat, 11 May 2024 11:46:25 +0200 Subject: [PATCH 0233/1716] Add and use generics.is_empty() and generics.is_own_empty, rather than using generics' attributes --- compiler/rustc_hir_analysis/src/check/wfcheck.rs | 2 +- compiler/rustc_hir_analysis/src/hir_ty_lowering/errors.rs | 2 +- compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs | 2 +- compiler/rustc_hir_analysis/src/lib.rs | 2 +- compiler/rustc_hir_analysis/src/variance/constraints.rs | 2 +- compiler/rustc_hir_analysis/src/variance/mod.rs | 2 +- compiler/rustc_hir_typeck/src/method/confirm.rs | 2 +- compiler/rustc_hir_typeck/src/method/prelude2021.rs | 2 +- compiler/rustc_hir_typeck/src/method/probe.rs | 2 +- compiler/rustc_middle/src/ty/generics.rs | 8 ++++++++ compiler/rustc_middle/src/ty/print/mod.rs | 2 +- compiler/rustc_monomorphize/src/collector.rs | 2 +- compiler/rustc_monomorphize/src/polymorphize.rs | 2 +- .../rustc_trait_selection/src/traits/object_safety.rs | 2 +- .../src/traits/select/confirmation.rs | 2 +- compiler/rustc_trait_selection/src/traits/select/mod.rs | 2 +- .../clippy/clippy_lints/src/iter_without_into_iter.rs | 2 +- .../clippy/clippy_utils/src/ty/type_certainty/mod.rs | 2 +- 18 files changed, 25 insertions(+), 17 deletions(-) diff --git a/compiler/rustc_hir_analysis/src/check/wfcheck.rs b/compiler/rustc_hir_analysis/src/check/wfcheck.rs index e137aab21099..e8ede804c3f3 100644 --- a/compiler/rustc_hir_analysis/src/check/wfcheck.rs +++ b/compiler/rustc_hir_analysis/src/check/wfcheck.rs @@ -432,7 +432,7 @@ fn check_gat_where_clauses(tcx: TyCtxt<'_>, trait_def_id: LocalDefId) { } let gat_generics = tcx.generics_of(gat_def_id); // FIXME(jackh726): we can also warn in the more general case - if gat_generics.own_params.is_empty() { + if gat_generics.is_own_empty() { continue; } diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/errors.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/errors.rs index f19492e00b47..00356ece5852 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/errors.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/errors.rs @@ -1409,7 +1409,7 @@ fn generics_args_err_extend<'a>( // it was done based on the end of assoc segment but that sometimes // led to impossible spans and caused issues like #116473 let args_span = args.span_ext.with_lo(args.span_ext.lo() - BytePos(2)); - if tcx.generics_of(adt_def.did()).count() == 0 { + if tcx.generics_of(adt_def.did()).is_empty() { // FIXME(estebank): we could also verify that the arguments being // work for the `enum`, instead of just looking if it takes *any*. err.span_suggestion_verbose( diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs index 39016d15236f..8caeb85204b7 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs @@ -412,7 +412,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { // Traits always have `Self` as a generic parameter, which means they will not return early // here and so associated type bindings will be handled regardless of whether there are any // non-`Self` generic parameters. - if generics.own_params.is_empty() { + if generics.is_own_empty() { return (tcx.mk_args(parent_args), arg_count); } diff --git a/compiler/rustc_hir_analysis/src/lib.rs b/compiler/rustc_hir_analysis/src/lib.rs index 654ef4baeb39..d1e50e13894a 100644 --- a/compiler/rustc_hir_analysis/src/lib.rs +++ b/compiler/rustc_hir_analysis/src/lib.rs @@ -181,7 +181,7 @@ pub fn check_crate(tcx: TyCtxt<'_>) { let def_kind = tcx.def_kind(item_def_id); match def_kind { DefKind::Static { .. } => tcx.ensure().eval_static_initializer(item_def_id), - DefKind::Const if tcx.generics_of(item_def_id).own_params.is_empty() => { + DefKind::Const if tcx.generics_of(item_def_id).is_empty() => { let instance = ty::Instance::new(item_def_id.into(), ty::GenericArgs::empty()); let cid = GlobalId { instance, promoted: None }; let param_env = ty::ParamEnv::reveal_all(); diff --git a/compiler/rustc_hir_analysis/src/variance/constraints.rs b/compiler/rustc_hir_analysis/src/variance/constraints.rs index 730e989edaed..0c436e21c16d 100644 --- a/compiler/rustc_hir_analysis/src/variance/constraints.rs +++ b/compiler/rustc_hir_analysis/src/variance/constraints.rs @@ -99,7 +99,7 @@ impl<'a, 'tcx> ConstraintContext<'a, 'tcx> { debug!("build_constraints_for_item({})", tcx.def_path_str(def_id)); // Skip items with no generics - there's nothing to infer in them. - if tcx.generics_of(def_id).count() == 0 { + if tcx.generics_of(def_id).is_empty() { return; } diff --git a/compiler/rustc_hir_analysis/src/variance/mod.rs b/compiler/rustc_hir_analysis/src/variance/mod.rs index cefd8fb1ac5f..1977451f39e0 100644 --- a/compiler/rustc_hir_analysis/src/variance/mod.rs +++ b/compiler/rustc_hir_analysis/src/variance/mod.rs @@ -41,7 +41,7 @@ fn crate_variances(tcx: TyCtxt<'_>, (): ()) -> CrateVariancesMap<'_> { fn variances_of(tcx: TyCtxt<'_>, item_def_id: LocalDefId) -> &[ty::Variance] { // Skip items with no generics - there's nothing to infer in them. - if tcx.generics_of(item_def_id).count() == 0 { + if tcx.generics_of(item_def_id).is_empty() { return &[]; } diff --git a/compiler/rustc_hir_typeck/src/method/confirm.rs b/compiler/rustc_hir_typeck/src/method/confirm.rs index 742540585348..9c64f9475cf1 100644 --- a/compiler/rustc_hir_typeck/src/method/confirm.rs +++ b/compiler/rustc_hir_typeck/src/method/confirm.rs @@ -451,7 +451,7 @@ impl<'a, 'tcx> ConfirmContext<'a, 'tcx> { // `foo.bar::(...)` -- the `Self` type here will be the // type of `foo` (possibly adjusted), but we don't want to // include that. We want just the `[_, u32]` part. - if !args.is_empty() && !generics.own_params.is_empty() { + if !args.is_empty() && !generics.is_own_empty() { let user_type_annotation = self.probe(|_| { let user_args = UserArgs { args: GenericArgs::for_item(self.tcx, pick.item.def_id, |param, _| { diff --git a/compiler/rustc_hir_typeck/src/method/prelude2021.rs b/compiler/rustc_hir_typeck/src/method/prelude2021.rs index a305461344d4..eca326892b53 100644 --- a/compiler/rustc_hir_typeck/src/method/prelude2021.rs +++ b/compiler/rustc_hir_typeck/src/method/prelude2021.rs @@ -279,7 +279,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { if !self_ty_name.contains('<') { if let ty::Adt(def, _) = self_ty.kind() { let generics = self.tcx.generics_of(def.did()); - if !generics.own_params.is_empty() { + if !generics.is_own_empty() { let counts = generics.own_counts(); self_ty_name += &format!( "<{}>", diff --git a/compiler/rustc_hir_typeck/src/method/probe.rs b/compiler/rustc_hir_typeck/src/method/probe.rs index fc652490a40a..60a63d72d40d 100644 --- a/compiler/rustc_hir_typeck/src/method/probe.rs +++ b/compiler/rustc_hir_typeck/src/method/probe.rs @@ -1754,7 +1754,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { let generics = self.tcx.generics_of(method); assert_eq!(args.len(), generics.parent_count); - let xform_fn_sig = if generics.own_params.is_empty() { + let xform_fn_sig = if generics.is_own_empty() { fn_sig.instantiate(self.tcx, args) } else { let args = GenericArgs::for_item(self.tcx, method, |param, _| { diff --git a/compiler/rustc_middle/src/ty/generics.rs b/compiler/rustc_middle/src/ty/generics.rs index 04655c5d20ba..cfaca05c2f06 100644 --- a/compiler/rustc_middle/src/ty/generics.rs +++ b/compiler/rustc_middle/src/ty/generics.rs @@ -391,6 +391,14 @@ impl<'tcx> Generics { } false } + + pub fn is_empty(&'tcx self) -> bool { + self.count() == 0 + } + + pub fn is_own_empty(&'tcx self) -> bool { + self.own_params.is_empty() + } } /// Bounds on generics. diff --git a/compiler/rustc_middle/src/ty/print/mod.rs b/compiler/rustc_middle/src/ty/print/mod.rs index e7589737d64b..dc77f59f3d0f 100644 --- a/compiler/rustc_middle/src/ty/print/mod.rs +++ b/compiler/rustc_middle/src/ty/print/mod.rs @@ -160,7 +160,7 @@ pub trait Printer<'tcx>: Sized { // If we have any generic arguments to print, we do that // on top of the same path, but without its own generics. _ => { - if !generics.own_params.is_empty() && args.len() >= generics.count() { + if !generics.is_own_empty() && args.len() >= generics.count() { let args = generics.own_args_no_defaults(self.tcx(), args); return self.path_generic_args( |cx| cx.print_def_path(def_id, parent_args), diff --git a/compiler/rustc_monomorphize/src/collector.rs b/compiler/rustc_monomorphize/src/collector.rs index dd1065590b30..4b435649216b 100644 --- a/compiler/rustc_monomorphize/src/collector.rs +++ b/compiler/rustc_monomorphize/src/collector.rs @@ -1429,7 +1429,7 @@ impl<'v> RootCollector<'_, 'v> { match self.tcx.def_kind(id.owner_id) { DefKind::Enum | DefKind::Struct | DefKind::Union => { if self.strategy == MonoItemCollectionStrategy::Eager - && self.tcx.generics_of(id.owner_id).count() == 0 + && self.tcx.generics_of(id.owner_id).is_empty() { debug!("RootCollector: ADT drop-glue for `{id:?}`",); diff --git a/compiler/rustc_monomorphize/src/polymorphize.rs b/compiler/rustc_monomorphize/src/polymorphize.rs index 6487169d1739..14ebe27ac23c 100644 --- a/compiler/rustc_monomorphize/src/polymorphize.rs +++ b/compiler/rustc_monomorphize/src/polymorphize.rs @@ -51,7 +51,7 @@ fn unused_generic_params<'tcx>( debug!(?generics); // Exit early when there are no parameters to be unused. - if generics.count() == 0 { + if generics.is_empty() { return UnusedGenericParams::new_all_used(); } diff --git a/compiler/rustc_trait_selection/src/traits/object_safety.rs b/compiler/rustc_trait_selection/src/traits/object_safety.rs index abb19c7efd86..8ce1271fc17a 100644 --- a/compiler/rustc_trait_selection/src/traits/object_safety.rs +++ b/compiler/rustc_trait_selection/src/traits/object_safety.rs @@ -398,7 +398,7 @@ pub fn object_safety_violations_for_assoc_item( // Associated types can only be object safe if they have `Self: Sized` bounds. ty::AssocKind::Type => { if !tcx.features().generic_associated_types_extended - && !tcx.generics_of(item.def_id).own_params.is_empty() + && !tcx.generics_of(item.def_id).is_own_empty() && !item.is_impl_trait_in_trait() { vec![ObjectSafetyViolation::GAT(item.name, item.ident(tcx).span)] diff --git a/compiler/rustc_trait_selection/src/traits/select/confirmation.rs b/compiler/rustc_trait_selection/src/traits/select/confirmation.rs index 65048ffdfba5..c684f087d321 100644 --- a/compiler/rustc_trait_selection/src/traits/select/confirmation.rs +++ b/compiler/rustc_trait_selection/src/traits/select/confirmation.rs @@ -619,7 +619,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { // higher-ranked things. // Prevent, e.g., `dyn Iterator`. for bound in self.tcx().item_bounds(assoc_type).transpose_iter() { - let arg_bound = if defs.count() == 0 { + let arg_bound = if defs.is_empty() { bound.instantiate(tcx, trait_predicate.trait_ref.args) } else { let mut args = smallvec::SmallVec::with_capacity(defs.count()); diff --git a/compiler/rustc_trait_selection/src/traits/select/mod.rs b/compiler/rustc_trait_selection/src/traits/select/mod.rs index 19affac7970b..4a94643d908b 100644 --- a/compiler/rustc_trait_selection/src/traits/select/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/select/mod.rs @@ -1781,7 +1781,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { // FIXME(generic-associated-types): This only detects one layer of inference, // which is probably not what we actually want, but fixing it causes some ambiguity: // . - if !generics.own_params.is_empty() + if !generics.is_own_empty() && obligation.predicate.args[generics.parent_count..].iter().any(|&p| { p.has_non_region_infer() && match p.unpack() { diff --git a/src/tools/clippy/clippy_lints/src/iter_without_into_iter.rs b/src/tools/clippy/clippy_lints/src/iter_without_into_iter.rs index a75dfaf286fd..601d0e151aae 100644 --- a/src/tools/clippy/clippy_lints/src/iter_without_into_iter.rs +++ b/src/tools/clippy/clippy_lints/src/iter_without_into_iter.rs @@ -225,7 +225,7 @@ impl {self_ty_without_ref} {{ && let ImplItemKind::Fn(sig, _) = item.kind && let FnRetTy::Return(ret) = sig.decl.output && is_nameable_in_impl_trait(ret) - && cx.tcx.generics_of(item_did).own_params.is_empty() + && cx.tcx.generics_of(item_did).is_own_empty() && sig.decl.implicit_self == expected_implicit_self && sig.decl.inputs.len() == 1 && let Some(imp) = get_parent_as_impl(cx.tcx, item.hir_id()) diff --git a/src/tools/clippy/clippy_utils/src/ty/type_certainty/mod.rs b/src/tools/clippy/clippy_utils/src/ty/type_certainty/mod.rs index c2ff19931d5c..802193034502 100644 --- a/src/tools/clippy/clippy_utils/src/ty/type_certainty/mod.rs +++ b/src/tools/clippy/clippy_utils/src/ty/type_certainty/mod.rs @@ -176,7 +176,7 @@ fn qpath_certainty(cx: &LateContext<'_>, qpath: &QPath<'_>, resolves_to_type: bo .get(*lang_item) .map_or(Certainty::Uncertain, |def_id| { let generics = cx.tcx.generics_of(def_id); - if generics.parent_count == 0 && generics.own_params.is_empty() { + if generics.is_empty() { Certainty::Certain(if resolves_to_type { Some(def_id) } else { None }) } else { Certainty::Uncertain From 23e8b03f00289643c790bfb618509944f13d6432 Mon Sep 17 00:00:00 2001 From: Santiago Pastorino Date: Sat, 11 May 2024 11:46:25 +0200 Subject: [PATCH 0234/1716] Add and use generics.is_empty() and generics.is_own_empty, rather than using generics' attributes --- clippy_lints/src/iter_without_into_iter.rs | 2 +- clippy_utils/src/ty/type_certainty/mod.rs | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/clippy_lints/src/iter_without_into_iter.rs b/clippy_lints/src/iter_without_into_iter.rs index a75dfaf286fd..601d0e151aae 100644 --- a/clippy_lints/src/iter_without_into_iter.rs +++ b/clippy_lints/src/iter_without_into_iter.rs @@ -225,7 +225,7 @@ impl {self_ty_without_ref} {{ && let ImplItemKind::Fn(sig, _) = item.kind && let FnRetTy::Return(ret) = sig.decl.output && is_nameable_in_impl_trait(ret) - && cx.tcx.generics_of(item_did).own_params.is_empty() + && cx.tcx.generics_of(item_did).is_own_empty() && sig.decl.implicit_self == expected_implicit_self && sig.decl.inputs.len() == 1 && let Some(imp) = get_parent_as_impl(cx.tcx, item.hir_id()) diff --git a/clippy_utils/src/ty/type_certainty/mod.rs b/clippy_utils/src/ty/type_certainty/mod.rs index c2ff19931d5c..802193034502 100644 --- a/clippy_utils/src/ty/type_certainty/mod.rs +++ b/clippy_utils/src/ty/type_certainty/mod.rs @@ -176,7 +176,7 @@ fn qpath_certainty(cx: &LateContext<'_>, qpath: &QPath<'_>, resolves_to_type: bo .get(*lang_item) .map_or(Certainty::Uncertain, |def_id| { let generics = cx.tcx.generics_of(def_id); - if generics.parent_count == 0 && generics.own_params.is_empty() { + if generics.is_empty() { Certainty::Certain(if resolves_to_type { Some(def_id) } else { None }) } else { Certainty::Uncertain From b8a7c7379283c4d6078871f9024b820642c88856 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sun, 19 May 2024 16:48:48 +0200 Subject: [PATCH 0235/1716] test wasm32-wasip2 instead of the deprecated wasm32-wasi target --- src/tools/miri/ci/ci.sh | 2 +- src/tools/miri/test_dependencies/Cargo.toml | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/src/tools/miri/ci/ci.sh b/src/tools/miri/ci/ci.sh index 50ac4539c262..9480663a01d0 100755 --- a/src/tools/miri/ci/ci.sh +++ b/src/tools/miri/ci/ci.sh @@ -151,7 +151,7 @@ case $HOST_TARGET in TEST_TARGET=x86_64-unknown-illumos run_tests_minimal $BASIC $UNIX pthread-sync TEST_TARGET=x86_64-pc-solaris run_tests_minimal $BASIC $UNIX pthread-sync TEST_TARGET=aarch64-linux-android run_tests_minimal $BASIC $UNIX - TEST_TARGET=wasm32-wasi run_tests_minimal empty_main wasm heap_alloc libc-mem + TEST_TARGET=wasm32-wasip2 run_tests_minimal empty_main wasm heap_alloc libc-mem TEST_TARGET=wasm32-unknown-unknown run_tests_minimal empty_main wasm TEST_TARGET=thumbv7em-none-eabihf run_tests_minimal no_std # Custom target JSON file diff --git a/src/tools/miri/test_dependencies/Cargo.toml b/src/tools/miri/test_dependencies/Cargo.toml index 1894f53ce49c..e40dd50a444d 100644 --- a/src/tools/miri/test_dependencies/Cargo.toml +++ b/src/tools/miri/test_dependencies/Cargo.toml @@ -11,12 +11,12 @@ edition = "2021" # all dependencies (and their transitive ones) listed here can be used in `tests/`. libc = "0.2" num_cpus = "1.10.1" -tempfile = "3" getrandom_01 = { package = "getrandom", version = "0.1" } getrandom_02 = { package = "getrandom", version = "0.2", features = ["js"] } [target.'cfg(not(any(target_arch = "wasm32", target_arch = "wasm64")))'.dependencies] +tempfile = "3" page_size = "0.6" tokio = { version = "1.24", features = ["macros", "rt-multi-thread", "time", "net"] } From 006866f558efbdb15a59ad0ab077c434593f1010 Mon Sep 17 00:00:00 2001 From: Waffle Lapkin Date: Sun, 19 May 2024 16:35:34 +0200 Subject: [PATCH 0236/1716] make `Debug` impl for `Term` simpler --- compiler/rustc_middle/src/ty/mod.rs | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs index ce63fc20ddb2..44f09b8ba217 100644 --- a/compiler/rustc_middle/src/ty/mod.rs +++ b/compiler/rustc_middle/src/ty/mod.rs @@ -536,14 +536,10 @@ unsafe impl<'tcx> Sync for Term<'tcx> where &'tcx (Ty<'tcx>, Const<'tcx>): Sync impl Debug for Term<'_> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - let data = if let Some(ty) = self.ty() { - format!("Term::Ty({ty:?})") - } else if let Some(ct) = self.ct() { - format!("Term::Ct({ct:?})") - } else { - unreachable!() - }; - f.write_str(&data) + match self.unpack() { + TermKind::Ty(ty) => write!(f, "Term::Ty({ty:?})"), + TermKind::Const(ct) => write!(f, "Term::Const({ct:?})"), + } } } From e6396bca013b1b4cc1a177ef11e8fd5c270a4ea5 Mon Sep 17 00:00:00 2001 From: Zachary S Date: Sat, 11 May 2024 09:54:32 -0500 Subject: [PATCH 0237/1716] Use a single static for all default slice Arcs. Also adds debug_asserts in Drop for Weak/Arc that the shared static is not being "dropped"/"deallocated". --- library/alloc/src/sync.rs | 77 ++++++++++++++++++++++++--------------- 1 file changed, 48 insertions(+), 29 deletions(-) diff --git a/library/alloc/src/sync.rs b/library/alloc/src/sync.rs index a925b544bc2c..9081ea5c679b 100644 --- a/library/alloc/src/sync.rs +++ b/library/alloc/src/sync.rs @@ -2468,6 +2468,15 @@ unsafe impl<#[may_dangle] T: ?Sized, A: Allocator> Drop for Arc { // [2]: (https://github.com/rust-lang/rust/pull/41714) acquire!(self.inner().strong); + // Make sure we aren't trying to "drop" the shared static for empty slices + // used by Default::default. + debug_assert!( + !ptr::addr_eq(self.ptr.as_ptr(), &STATIC_INNER_SLICE.inner), + "Arcs backed by a static should never be reach a strong count of 0. \ + Likely decrement_strong_count or from_raw were called too many times.", + ); + + unsafe { self.drop_slow(); } @@ -3059,6 +3068,15 @@ unsafe impl<#[may_dangle] T: ?Sized, A: Allocator> Drop for Weak { if inner.weak.fetch_sub(1, Release) == 1 { acquire!(inner.weak); + + // Make sure we aren't trying to "deallocate" the shared static for empty slices + // used by Default::default. + debug_assert!( + !ptr::addr_eq(self.ptr.as_ptr(), &STATIC_INNER_SLICE.inner), + "Arc/Weaks backed by a static should never be deallocated. \ + Likely decrement_strong_count or from_raw were called too many times.", + ); + unsafe { self.alloc.deallocate(self.ptr.cast(), Layout::for_value_raw(self.ptr.as_ptr())) } @@ -3300,6 +3318,28 @@ impl Default for Arc { } } +/// Struct to hold the static `ArcInner` used for empty `Arc` as +/// returned by `Default::default`. +/// +/// Layout notes: +/// * `repr(align(16))` so we can use it for `[T]` with `align_of::() <= 16`. +/// * `repr(C)` so `inner` is at offset 0 (and thus guaranteed to actually be aligned to 16). +/// * `[u8; 1]` (to be initialized with 0) so it can be used for `Arc`. +#[repr(C, align(16))] +struct SliceArcInnerForStatic { + inner: ArcInner<[u8; 1]>, +} +const MAX_STATIC_INNER_SLICE_ALIGNMENT: usize = 16; + +static STATIC_INNER_SLICE: SliceArcInnerForStatic = SliceArcInnerForStatic { + inner: ArcInner { + strong: atomic::AtomicUsize::new(1), + weak: atomic::AtomicUsize::new(1), + data: [0], + }, +}; + + #[cfg(not(no_global_oom_handling))] #[stable(feature = "more_rc_default_impls", since = "CURRENT_RUSTC_VERSION")] impl Default for Arc { @@ -3324,12 +3364,7 @@ impl Default for Arc { #[inline] fn default() -> Self { use core::ffi::CStr; - static STATIC_INNER_CSTR: ArcInner<[u8; 1]> = ArcInner { - strong: atomic::AtomicUsize::new(1), - weak: atomic::AtomicUsize::new(1), - data: [0], - }; - let inner: NonNull> = NonNull::from(&STATIC_INNER_CSTR); + let inner: NonNull> = NonNull::from(&STATIC_INNER_SLICE.inner); let inner: NonNull> = NonNull::new(inner.as_ptr() as *mut ArcInner).unwrap(); // `this` semantically is the Arc "owned" by the static, so make sure not to drop it. let this: mem::ManuallyDrop> = unsafe { mem::ManuallyDrop::new(Arc::from_inner(inner)) }; @@ -3345,31 +3380,15 @@ impl Default for Arc<[T]> { /// This may or may not share an allocation with other Arcs. #[inline] fn default() -> Self { - let alignment_of_t: usize = mem::align_of::(); - // We only make statics for the lowest five alignments. - // Alignments greater than that will use dynamic allocation. - macro_rules! use_static_inner_for_alignments { - ($($alignment:literal),*) => { - $(if alignment_of_t == $alignment { - // Note: this must be in a new scope because static and type names are unhygenic. - #[repr(align($alignment))] - struct Aligned; - static ALIGNED_STATIC_INNER: ArcInner = ArcInner { - strong: atomic::AtomicUsize::new(1), - weak: atomic::AtomicUsize::new(1), - data: Aligned, - }; - let inner: NonNull> = NonNull::from(&ALIGNED_STATIC_INNER); - let inner: NonNull> = inner.cast(); - // `this` semantically is the Arc "owned" by the static, so make sure not to drop it. - let this: mem::ManuallyDrop> = unsafe { mem::ManuallyDrop::new(Arc::from_inner(inner)) }; - return (*this).clone(); - })* - }; + if mem::align_of::() <= MAX_STATIC_INNER_SLICE_ALIGNMENT { + let inner: NonNull> = NonNull::from(&STATIC_INNER_SLICE.inner); + let inner: NonNull> = inner.cast(); + // `this` semantically is the Arc "owned" by the static, so make sure not to drop it. + let this: mem::ManuallyDrop> = unsafe { mem::ManuallyDrop::new(Arc::from_inner(inner)) }; + return (*this).clone(); } - use_static_inner_for_alignments!(1, 2, 4, 8, 16); - // If T's alignment is not one of the ones we have a static for, make a new unique allocation. + // If T's alignment is too large for the static, make a new unique allocation. let arr: [T; 0] = []; Arc::from(arr) } From e57f9ac3a04848da107047238d33528956121e03 Mon Sep 17 00:00:00 2001 From: Nikita Popov Date: Sun, 19 May 2024 18:24:30 +0200 Subject: [PATCH 0238/1716] Update to LLVM 18.1.6 --- .gitmodules | 2 +- src/llvm-project | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/.gitmodules b/.gitmodules index 802d61eea293..75faaba71517 100644 --- a/.gitmodules +++ b/.gitmodules @@ -33,7 +33,7 @@ [submodule "src/llvm-project"] path = src/llvm-project url = https://github.com/rust-lang/llvm-project.git - branch = rustc/18.0-2024-02-13 + branch = rustc/18.1-2024-05-19 shallow = true [submodule "src/doc/embedded-book"] path = src/doc/embedded-book diff --git a/src/llvm-project b/src/llvm-project index 5399a24c66cb..b31c30a9bb4d 160000 --- a/src/llvm-project +++ b/src/llvm-project @@ -1 +1 @@ -Subproject commit 5399a24c66cb6164cf32280e7d300488c90d5765 +Subproject commit b31c30a9bb4dbbd13c359d0e2bea7f65d20adf3f From 2dacd70e1e65cb078e7459295f99c457dc836bac Mon Sep 17 00:00:00 2001 From: Zachary S Date: Sun, 19 May 2024 11:42:35 -0500 Subject: [PATCH 0239/1716] Fix stacked borrows violation --- library/alloc/src/sync.rs | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/library/alloc/src/sync.rs b/library/alloc/src/sync.rs index 9081ea5c679b..89dbf9f5cdd4 100644 --- a/library/alloc/src/sync.rs +++ b/library/alloc/src/sync.rs @@ -3381,7 +3381,11 @@ impl Default for Arc<[T]> { #[inline] fn default() -> Self { if mem::align_of::() <= MAX_STATIC_INNER_SLICE_ALIGNMENT { - let inner: NonNull> = NonNull::from(&STATIC_INNER_SLICE.inner); + // We take a reference to the whole struct instead of the ArcInner<[u8; 1]> inside it so + // we don't shrink the range of bytes the ptr is allowed to access under Stacked Borrows. + // (Miri complains on 32-bit targets with Arc<[Align16]> otherwise.) + // (Note that NonNull::from(&STATIC_INNER_SLICE.inner) is fine under Tree Borrows.) + let inner: NonNull = NonNull::from(&STATIC_INNER_SLICE); let inner: NonNull> = inner.cast(); // `this` semantically is the Arc "owned" by the static, so make sure not to drop it. let this: mem::ManuallyDrop> = unsafe { mem::ManuallyDrop::new(Arc::from_inner(inner)) }; From e6040437ef5e6f2ac8110fd160c58ec2fa8ad202 Mon Sep 17 00:00:00 2001 From: Alex Macleod Date: Fri, 17 May 2024 16:45:00 +0000 Subject: [PATCH 0240/1716] Swap `for_each_expr` and `for_each_expr_with_closures` --- clippy_lints/src/blocks_in_conditions.rs | 4 ++-- clippy_lints/src/casts/cast_sign_loss.rs | 6 +++--- clippy_lints/src/casts/unnecessary_cast.rs | 4 ++-- clippy_lints/src/cognitive_complexity.rs | 4 ++-- clippy_lints/src/collection_is_never_read.rs | 4 ++-- clippy_lints/src/copies.rs | 6 +++--- clippy_lints/src/functions/must_use.rs | 4 ++-- .../src/functions/not_unsafe_ptr_arg_deref.rs | 4 ++-- clippy_lints/src/implicit_return.rs | 4 ++-- clippy_lints/src/matches/redundant_guards.rs | 4 ++-- .../src/matches/redundant_pattern_match.rs | 4 ++-- .../src/methods/collapsible_str_replace.rs | 4 ++-- clippy_lints/src/methods/str_splitn.rs | 4 ++-- clippy_lints/src/methods/unnecessary_filter_map.rs | 4 ++-- .../src/methods/unnecessary_iter_cloned.rs | 4 ++-- clippy_lints/src/missing_asserts_for_indexing.rs | 4 ++-- clippy_lints/src/missing_fields_in_debug.rs | 6 +++--- clippy_lints/src/multiple_unsafe_ops_per_block.rs | 4 ++-- clippy_lints/src/needless_late_init.rs | 6 +++--- clippy_lints/src/needless_pass_by_ref_mut.rs | 4 ++-- clippy_lints/src/operators/assign_op_pattern.rs | 4 ++-- clippy_lints/src/panic_in_result_fn.rs | 4 ++-- clippy_lints/src/redundant_async_block.rs | 4 ++-- clippy_lints/src/returns.rs | 4 ++-- clippy_lints/src/suspicious_trait_impl.rs | 4 ++-- clippy_lints/src/undocumented_unsafe_blocks.rs | 4 ++-- clippy_lints/src/unused_self.rs | 2 +- clippy_lints/src/unwrap_in_result.rs | 4 ++-- clippy_lints/src/zero_repeat_side_effects.rs | 4 ++-- clippy_utils/src/lib.rs | 4 ++-- clippy_utils/src/macros.rs | 10 +++++----- clippy_utils/src/ptr.rs | 4 ++-- clippy_utils/src/usage.rs | 8 ++++---- clippy_utils/src/visitors.rs | 14 +++++++------- 34 files changed, 81 insertions(+), 81 deletions(-) diff --git a/clippy_lints/src/blocks_in_conditions.rs b/clippy_lints/src/blocks_in_conditions.rs index 171f30318601..869ed332b9c9 100644 --- a/clippy_lints/src/blocks_in_conditions.rs +++ b/clippy_lints/src/blocks_in_conditions.rs @@ -1,7 +1,7 @@ use clippy_utils::diagnostics::{span_lint, span_lint_and_sugg}; use clippy_utils::source::snippet_block_with_applicability; use clippy_utils::ty::implements_trait; -use clippy_utils::visitors::{for_each_expr, Descend}; +use clippy_utils::visitors::{for_each_expr_without_closures, Descend}; use clippy_utils::{get_parent_expr, higher, is_from_proc_macro}; use core::ops::ControlFlow; use rustc_errors::Applicability; @@ -125,7 +125,7 @@ impl<'tcx> LateLintPass<'tcx> for BlocksInConditions { } } } else { - let _: Option = for_each_expr(cond, |e| { + let _: Option = for_each_expr_without_closures(cond, |e| { if let ExprKind::Closure(closure) = e.kind { // do not lint if the closure is called using an iterator (see #1141) if let Some(parent) = get_parent_expr(cx, e) diff --git a/clippy_lints/src/casts/cast_sign_loss.rs b/clippy_lints/src/casts/cast_sign_loss.rs index 864489ee3fcd..8bbd41b0db1e 100644 --- a/clippy_lints/src/casts/cast_sign_loss.rs +++ b/clippy_lints/src/casts/cast_sign_loss.rs @@ -3,7 +3,7 @@ use std::ops::ControlFlow; use clippy_utils::consts::{constant, Constant}; use clippy_utils::diagnostics::span_lint; -use clippy_utils::visitors::{for_each_expr, Descend}; +use clippy_utils::visitors::{for_each_expr_without_closures, Descend}; use clippy_utils::{method_chain_args, sext}; use rustc_hir::{BinOpKind, Expr, ExprKind}; use rustc_lint::LateContext; @@ -266,7 +266,7 @@ fn expr_add_sign(cx: &LateContext<'_>, expr: &Expr<'_>) -> Sign { fn exprs_with_muldiv_binop_peeled<'e>(expr: &'e Expr<'_>) -> Vec<&'e Expr<'e>> { let mut res = vec![]; - for_each_expr(expr, |sub_expr| -> ControlFlow { + for_each_expr_without_closures(expr, |sub_expr| -> ControlFlow { // We don't check for mul/div/rem methods here, but we could. if let ExprKind::Binary(op, lhs, _rhs) = sub_expr.kind { if matches!(op.node, BinOpKind::Mul | BinOpKind::Div) { @@ -315,7 +315,7 @@ fn exprs_with_muldiv_binop_peeled<'e>(expr: &'e Expr<'_>) -> Vec<&'e Expr<'e>> { fn exprs_with_add_binop_peeled<'e>(expr: &'e Expr<'_>) -> Vec<&'e Expr<'e>> { let mut res = vec![]; - for_each_expr(expr, |sub_expr| -> ControlFlow { + for_each_expr_without_closures(expr, |sub_expr| -> ControlFlow { // We don't check for add methods here, but we could. if let ExprKind::Binary(op, _lhs, _rhs) = sub_expr.kind { if matches!(op.node, BinOpKind::Add) { diff --git a/clippy_lints/src/casts/unnecessary_cast.rs b/clippy_lints/src/casts/unnecessary_cast.rs index a7f7bf7854e6..fb0b0cba6a66 100644 --- a/clippy_lints/src/casts/unnecessary_cast.rs +++ b/clippy_lints/src/casts/unnecessary_cast.rs @@ -1,7 +1,7 @@ use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::numeric_literal::NumericLiteral; use clippy_utils::source::snippet_opt; -use clippy_utils::visitors::{for_each_expr, Visitable}; +use clippy_utils::visitors::{for_each_expr_without_closures, Visitable}; use clippy_utils::{get_parent_expr, is_hir_ty_cfg_dependant, is_ty_alias, path_to_local}; use rustc_ast::{LitFloatType, LitIntType, LitKind}; use rustc_errors::Applicability; @@ -245,7 +245,7 @@ fn fp_ty_mantissa_nbits(typ: Ty<'_>) -> u32 { /// TODO: Maybe we should move this to `clippy_utils` so others won't need to go down this dark, /// dark path reimplementing this (or something similar). fn is_cast_from_ty_alias<'tcx>(cx: &LateContext<'tcx>, expr: impl Visitable<'tcx>, cast_from: Ty<'tcx>) -> bool { - for_each_expr(expr, |expr| { + for_each_expr_without_closures(expr, |expr| { // Calls are a `Path`, and usage of locals are a `Path`. So, this checks // - call() as i32 // - local as i32 diff --git a/clippy_lints/src/cognitive_complexity.rs b/clippy_lints/src/cognitive_complexity.rs index ee1bb63b50d3..e41abf422349 100644 --- a/clippy_lints/src/cognitive_complexity.rs +++ b/clippy_lints/src/cognitive_complexity.rs @@ -3,7 +3,7 @@ use clippy_utils::diagnostics::span_lint_and_help; use clippy_utils::source::snippet_opt; use clippy_utils::ty::is_type_diagnostic_item; -use clippy_utils::visitors::for_each_expr; +use clippy_utils::visitors::for_each_expr_without_closures; use clippy_utils::{get_async_fn_body, is_async_fn, LimitStack}; use core::ops::ControlFlow; use rustc_ast::ast::Attribute; @@ -65,7 +65,7 @@ impl CognitiveComplexity { let mut cc = 1u64; let mut returns = 0u64; - let _: Option = for_each_expr(expr, |e| { + let _: Option = for_each_expr_without_closures(expr, |e| { match e.kind { ExprKind::If(_, _, _) => { cc += 1; diff --git a/clippy_lints/src/collection_is_never_read.rs b/clippy_lints/src/collection_is_never_read.rs index 70856b808810..28d9f68d504c 100644 --- a/clippy_lints/src/collection_is_never_read.rs +++ b/clippy_lints/src/collection_is_never_read.rs @@ -1,6 +1,6 @@ use clippy_utils::diagnostics::span_lint; use clippy_utils::ty::{is_type_diagnostic_item, is_type_lang_item}; -use clippy_utils::visitors::{for_each_expr_with_closures, Visitable}; +use clippy_utils::visitors::{for_each_expr, Visitable}; use clippy_utils::{get_enclosing_block, path_to_local_id}; use core::ops::ControlFlow; use rustc_hir::{Body, ExprKind, HirId, LangItem, LetStmt, Node, PatKind}; @@ -82,7 +82,7 @@ fn has_no_read_access<'tcx, T: Visitable<'tcx>>(cx: &LateContext<'tcx>, id: HirI let mut has_read_access = false; // Inspect all expressions and sub-expressions in the block. - for_each_expr_with_closures(cx, block, |expr| { + for_each_expr(cx, block, |expr| { // Ignore expressions that are not simply `id`. if !path_to_local_id(expr, id) { return ControlFlow::Continue(()); diff --git a/clippy_lints/src/copies.rs b/clippy_lints/src/copies.rs index ccf1d9d6f8c0..480df675d754 100644 --- a/clippy_lints/src/copies.rs +++ b/clippy_lints/src/copies.rs @@ -1,7 +1,7 @@ use clippy_utils::diagnostics::{span_lint_and_note, span_lint_and_then}; use clippy_utils::source::{first_line_of_span, indent_of, reindent_multiline, snippet, snippet_opt}; use clippy_utils::ty::{needs_ordered_drop, InteriorMut}; -use clippy_utils::visitors::for_each_expr; +use clippy_utils::visitors::for_each_expr_without_closures; use clippy_utils::{ capture_local_usage, eq_expr_value, find_binding_init, get_enclosing_block, hash_expr, hash_stmt, if_sequence, is_else_clause, is_lint_allowed, path_to_local, search_same, ContainsName, HirEqInterExpr, SpanlessEq, @@ -362,7 +362,7 @@ fn eq_binding_names(s: &Stmt<'_>, names: &[(HirId, Symbol)]) -> bool { /// Checks if the statement modifies or moves any of the given locals. fn modifies_any_local<'tcx>(cx: &LateContext<'tcx>, s: &'tcx Stmt<'_>, locals: &HirIdSet) -> bool { - for_each_expr(s, |e| { + for_each_expr_without_closures(s, |e| { if let Some(id) = path_to_local(e) && locals.contains(&id) && !capture_local_usage(cx, e).is_imm_ref() @@ -413,7 +413,7 @@ fn scan_block_for_eq<'tcx>( let mut cond_locals = HirIdSet::default(); for &cond in conds { - let _: Option = for_each_expr(cond, |e| { + let _: Option = for_each_expr_without_closures(cond, |e| { if let Some(id) = path_to_local(e) { cond_locals.insert(id); } diff --git a/clippy_lints/src/functions/must_use.rs b/clippy_lints/src/functions/must_use.rs index e7ec2b3151e6..cce8617821e2 100644 --- a/clippy_lints/src/functions/must_use.rs +++ b/clippy_lints/src/functions/must_use.rs @@ -14,7 +14,7 @@ use clippy_utils::attrs::is_proc_macro; use clippy_utils::diagnostics::{span_lint_and_help, span_lint_and_then}; use clippy_utils::source::snippet_opt; use clippy_utils::ty::is_must_use_ty; -use clippy_utils::visitors::for_each_expr; +use clippy_utils::visitors::for_each_expr_without_closures; use clippy_utils::{return_ty, trait_ref_of_method}; use core::ops::ControlFlow; @@ -226,7 +226,7 @@ fn is_mutated_static(e: &hir::Expr<'_>) -> bool { } fn mutates_static<'tcx>(cx: &LateContext<'tcx>, body: &'tcx hir::Body<'_>) -> bool { - for_each_expr(body.value, |e| { + for_each_expr_without_closures(body.value, |e| { use hir::ExprKind::{AddrOf, Assign, AssignOp, Call, MethodCall}; match e.kind { diff --git a/clippy_lints/src/functions/not_unsafe_ptr_arg_deref.rs b/clippy_lints/src/functions/not_unsafe_ptr_arg_deref.rs index 995dd782cbbd..466d38c52d71 100644 --- a/clippy_lints/src/functions/not_unsafe_ptr_arg_deref.rs +++ b/clippy_lints/src/functions/not_unsafe_ptr_arg_deref.rs @@ -5,7 +5,7 @@ use rustc_span::def_id::LocalDefId; use clippy_utils::diagnostics::span_lint; use clippy_utils::ty::type_is_unsafe_function; -use clippy_utils::visitors::for_each_expr_with_closures; +use clippy_utils::visitors::for_each_expr; use clippy_utils::{iter_input_pats, path_to_local}; use core::ops::ControlFlow; @@ -49,7 +49,7 @@ fn check_raw_ptr<'tcx>( if !raw_ptrs.is_empty() { let typeck = cx.tcx.typeck_body(body.id()); - let _: Option = for_each_expr_with_closures(cx, body.value, |e| { + let _: Option = for_each_expr(cx, body.value, |e| { match e.kind { hir::ExprKind::Call(f, args) if type_is_unsafe_function(cx, typeck.expr_ty(f)) => { for arg in args { diff --git a/clippy_lints/src/implicit_return.rs b/clippy_lints/src/implicit_return.rs index 5288efd8df8c..b54c147e4d82 100644 --- a/clippy_lints/src/implicit_return.rs +++ b/clippy_lints/src/implicit_return.rs @@ -1,6 +1,6 @@ use clippy_utils::diagnostics::span_lint_hir_and_then; use clippy_utils::source::{snippet_with_applicability, snippet_with_context, walk_span_to_context}; -use clippy_utils::visitors::for_each_expr; +use clippy_utils::visitors::for_each_expr_without_closures; use clippy_utils::{get_async_fn_body, is_async_fn}; use core::ops::ControlFlow; use rustc_errors::Applicability; @@ -152,7 +152,7 @@ fn lint_implicit_returns( ExprKind::Loop(block, ..) => { let mut add_return = false; - let _: Option = for_each_expr(block, |e| { + let _: Option = for_each_expr_without_closures(block, |e| { if let ExprKind::Break(dest, sub_expr) = e.kind { if dest.target_id.ok() == Some(expr.hir_id) { if call_site_span.is_none() && e.span.ctxt() == ctxt { diff --git a/clippy_lints/src/matches/redundant_guards.rs b/clippy_lints/src/matches/redundant_guards.rs index a75cf37945f7..c2c0fbf439d5 100644 --- a/clippy_lints/src/matches/redundant_guards.rs +++ b/clippy_lints/src/matches/redundant_guards.rs @@ -2,7 +2,7 @@ use clippy_config::msrvs::Msrv; use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::macros::matching_root_macro_call; use clippy_utils::source::snippet; -use clippy_utils::visitors::{for_each_expr, is_local_used}; +use clippy_utils::visitors::{for_each_expr_without_closures, is_local_used}; use clippy_utils::{in_constant, path_to_local}; use rustc_ast::{BorrowKind, LitKind}; use rustc_errors::Applicability; @@ -249,7 +249,7 @@ fn emit_redundant_guards<'tcx>( /// an error in the future, and rustc already actively warns against this (see rust#41620), /// so we don't consider those as usable within patterns for linting purposes. fn expr_can_be_pat(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { - for_each_expr(expr, |expr| { + for_each_expr_without_closures(expr, |expr| { if match expr.kind { ExprKind::ConstBlock(..) => cx.tcx.features().inline_const_pat, ExprKind::Call(c, ..) if let ExprKind::Path(qpath) = c.kind => { diff --git a/clippy_lints/src/matches/redundant_pattern_match.rs b/clippy_lints/src/matches/redundant_pattern_match.rs index 78973984fb0b..0e4b2d9d34a0 100644 --- a/clippy_lints/src/matches/redundant_pattern_match.rs +++ b/clippy_lints/src/matches/redundant_pattern_match.rs @@ -3,7 +3,7 @@ use clippy_utils::diagnostics::{span_lint_and_sugg, span_lint_and_then}; use clippy_utils::source::{snippet, walk_span_to_context}; use clippy_utils::sugg::{make_unop, Sugg}; use clippy_utils::ty::{is_type_diagnostic_item, needs_ordered_drop}; -use clippy_utils::visitors::{any_temporaries_need_ordered_drop, for_each_expr}; +use clippy_utils::visitors::{any_temporaries_need_ordered_drop, for_each_expr_without_closures}; use clippy_utils::{higher, is_expn_of, is_trait_method}; use rustc_ast::ast::LitKind; use rustc_errors::Applicability; @@ -283,7 +283,7 @@ pub(super) fn check_match<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>, op // to see that there aren't any let chains anywhere in the guard, as that would break // if we suggest `t.is_none() && (let X = y && z)` for: // `match t { None if let X = y && z => true, _ => false }` - let has_nested_let_chain = for_each_expr(guard, |expr| { + let has_nested_let_chain = for_each_expr_without_closures(guard, |expr| { if matches!(expr.kind, ExprKind::Let(..)) { ControlFlow::Break(()) } else { diff --git a/clippy_lints/src/methods/collapsible_str_replace.rs b/clippy_lints/src/methods/collapsible_str_replace.rs index 5409ede6008b..1fab6c0e499d 100644 --- a/clippy_lints/src/methods/collapsible_str_replace.rs +++ b/clippy_lints/src/methods/collapsible_str_replace.rs @@ -1,6 +1,6 @@ use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::source::snippet; -use clippy_utils::visitors::for_each_expr; +use clippy_utils::visitors::for_each_expr_without_closures; use clippy_utils::{eq_expr_value, get_parent_expr}; use core::ops::ControlFlow; use rustc_errors::Applicability; @@ -46,7 +46,7 @@ fn collect_replace_calls<'tcx>( let mut methods = VecDeque::new(); let mut from_args = VecDeque::new(); - let _: Option<()> = for_each_expr(expr, |e| { + let _: Option<()> = for_each_expr_without_closures(expr, |e| { if let Some(("replace", _, [from, to], _, _)) = method_call(e) { if eq_expr_value(cx, to_arg, to) && cx.typeck_results().expr_ty(from).peel_refs().is_char() { methods.push_front(e); diff --git a/clippy_lints/src/methods/str_splitn.rs b/clippy_lints/src/methods/str_splitn.rs index e8c12bbeea0e..4f42fb73547a 100644 --- a/clippy_lints/src/methods/str_splitn.rs +++ b/clippy_lints/src/methods/str_splitn.rs @@ -3,7 +3,7 @@ use clippy_utils::consts::{constant, Constant}; use clippy_utils::diagnostics::{span_lint_and_sugg, span_lint_and_then}; use clippy_utils::source::snippet_with_context; use clippy_utils::usage::local_used_after_expr; -use clippy_utils::visitors::{for_each_expr_with_closures, Descend}; +use clippy_utils::visitors::{for_each_expr, Descend}; use clippy_utils::{is_diag_item_method, match_def_path, path_to_local_id, paths}; use core::ops::ControlFlow; use rustc_errors::Applicability; @@ -209,7 +209,7 @@ fn indirect_usage<'tcx>( }) = stmt.kind { let mut path_to_binding = None; - let _: Option = for_each_expr_with_closures(cx, init_expr, |e| { + let _: Option = for_each_expr(cx, init_expr, |e| { if path_to_local_id(e, binding) { path_to_binding = Some(e); } diff --git a/clippy_lints/src/methods/unnecessary_filter_map.rs b/clippy_lints/src/methods/unnecessary_filter_map.rs index daf99d986142..c9b9d98dbe60 100644 --- a/clippy_lints/src/methods/unnecessary_filter_map.rs +++ b/clippy_lints/src/methods/unnecessary_filter_map.rs @@ -2,7 +2,7 @@ use super::utils::clone_or_copy_needed; use clippy_utils::diagnostics::span_lint; use clippy_utils::ty::is_copy; use clippy_utils::usage::mutated_variables; -use clippy_utils::visitors::{for_each_expr, Descend}; +use clippy_utils::visitors::{for_each_expr_without_closures, Descend}; use clippy_utils::{is_res_lang_ctor, is_trait_method, path_res, path_to_local_id}; use core::ops::ControlFlow; use rustc_hir as hir; @@ -26,7 +26,7 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'tcx>, a let (mut found_mapping, mut found_filtering) = check_expression(cx, arg_id, body.value); - let _: Option = for_each_expr(body.value, |e| { + let _: Option = for_each_expr_without_closures(body.value, |e| { if let hir::ExprKind::Ret(Some(e)) = &e.kind { let (found_mapping_res, found_filtering_res) = check_expression(cx, arg_id, e); found_mapping |= found_mapping_res; diff --git a/clippy_lints/src/methods/unnecessary_iter_cloned.rs b/clippy_lints/src/methods/unnecessary_iter_cloned.rs index 7431dc1cf0b1..e23ea54867f7 100644 --- a/clippy_lints/src/methods/unnecessary_iter_cloned.rs +++ b/clippy_lints/src/methods/unnecessary_iter_cloned.rs @@ -3,7 +3,7 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::higher::ForLoop; use clippy_utils::source::snippet_opt; use clippy_utils::ty::{get_iterator_item_ty, implements_trait}; -use clippy_utils::visitors::for_each_expr; +use clippy_utils::visitors::for_each_expr_without_closures; use clippy_utils::{can_mut_borrow_both, fn_def_id, get_parent_expr, path_to_local}; use core::ops::ControlFlow; use rustc_errors::Applicability; @@ -61,7 +61,7 @@ pub fn check_for_loop_iter( fn is_caller_or_fields_change(cx: &LateContext<'_>, body: &Expr<'_>, caller: &Expr<'_>) -> bool { let mut change = false; if let ExprKind::Block(block, ..) = body.kind { - for_each_expr(block, |e| { + for_each_expr_without_closures(block, |e| { match e.kind { ExprKind::Assign(assignee, _, _) | ExprKind::AssignOp(_, assignee, _) => { change |= !can_mut_borrow_both(cx, caller, assignee); diff --git a/clippy_lints/src/missing_asserts_for_indexing.rs b/clippy_lints/src/missing_asserts_for_indexing.rs index c29e46b941c6..a95b567ef5f8 100644 --- a/clippy_lints/src/missing_asserts_for_indexing.rs +++ b/clippy_lints/src/missing_asserts_for_indexing.rs @@ -4,7 +4,7 @@ use std::ops::ControlFlow; use clippy_utils::comparisons::{normalize_comparison, Rel}; use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::source::snippet; -use clippy_utils::visitors::for_each_expr; +use clippy_utils::visitors::for_each_expr_without_closures; use clippy_utils::{eq_expr_value, hash_expr, higher}; use rustc_ast::{LitKind, RangeLimits}; use rustc_data_structures::packed::Pu128; @@ -405,7 +405,7 @@ impl LateLintPass<'_> for MissingAssertsForIndexing { fn check_body(&mut self, cx: &LateContext<'_>, body: &Body<'_>) { let mut map = UnhashMap::default(); - for_each_expr(body.value, |expr| { + for_each_expr_without_closures(body.value, |expr| { check_index(cx, expr, &mut map); check_assert(cx, expr, &mut map); ControlFlow::::Continue(()) diff --git a/clippy_lints/src/missing_fields_in_debug.rs b/clippy_lints/src/missing_fields_in_debug.rs index a64faa124f08..10f6cb7c0d30 100644 --- a/clippy_lints/src/missing_fields_in_debug.rs +++ b/clippy_lints/src/missing_fields_in_debug.rs @@ -3,7 +3,7 @@ use std::ops::ControlFlow; use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::is_path_lang_item; use clippy_utils::ty::is_type_diagnostic_item; -use clippy_utils::visitors::{for_each_expr, Visitable}; +use clippy_utils::visitors::{for_each_expr_without_closures, Visitable}; use rustc_ast::LitKind; use rustc_data_structures::fx::FxHashSet; use rustc_hir::def::{DefKind, Res}; @@ -110,7 +110,7 @@ fn should_lint<'tcx>( // Is there a call to `DebugStruct::debug_struct`? Do lint if there is. let mut has_debug_struct = false; - for_each_expr(block, |expr| { + for_each_expr_without_closures(block, |expr| { if let ExprKind::MethodCall(path, recv, ..) = &expr.kind { let recv_ty = typeck_results.expr_ty(recv).peel_refs(); @@ -165,7 +165,7 @@ fn check_struct<'tcx>( let mut has_direct_field_access = false; let mut field_accesses = FxHashSet::default(); - for_each_expr(block, |expr| { + for_each_expr_without_closures(block, |expr| { if let ExprKind::Field(target, ident) = expr.kind && let target_ty = typeck_results.expr_ty_adjusted(target).peel_refs() && target_ty == self_ty diff --git a/clippy_lints/src/multiple_unsafe_ops_per_block.rs b/clippy_lints/src/multiple_unsafe_ops_per_block.rs index 0e1380667805..ca995cc76da2 100644 --- a/clippy_lints/src/multiple_unsafe_ops_per_block.rs +++ b/clippy_lints/src/multiple_unsafe_ops_per_block.rs @@ -1,5 +1,5 @@ use clippy_utils::diagnostics::span_lint_and_then; -use clippy_utils::visitors::{for_each_expr_with_closures, Descend, Visitable}; +use clippy_utils::visitors::{for_each_expr, Descend, Visitable}; use core::ops::ControlFlow::Continue; use hir::def::{DefKind, Res}; use hir::{BlockCheckMode, ExprKind, QPath, UnOp, Unsafety}; @@ -96,7 +96,7 @@ fn collect_unsafe_exprs<'tcx>( node: impl Visitable<'tcx>, unsafe_ops: &mut Vec<(&'static str, Span)>, ) { - for_each_expr_with_closures(cx, node, |expr| { + for_each_expr(cx, node, |expr| { match expr.kind { ExprKind::InlineAsm(_) => unsafe_ops.push(("inline assembly used here", expr.span)), diff --git a/clippy_lints/src/needless_late_init.rs b/clippy_lints/src/needless_late_init.rs index 5a0ae1a4d6d2..4bfc30fa5cf8 100644 --- a/clippy_lints/src/needless_late_init.rs +++ b/clippy_lints/src/needless_late_init.rs @@ -2,7 +2,7 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::path_to_local; use clippy_utils::source::snippet_opt; use clippy_utils::ty::needs_ordered_drop; -use clippy_utils::visitors::{for_each_expr, for_each_expr_with_closures, is_local_used}; +use clippy_utils::visitors::{for_each_expr, for_each_expr_without_closures, is_local_used}; use core::ops::ControlFlow; use rustc_errors::{Applicability, MultiSpan}; use rustc_hir::{ @@ -63,7 +63,7 @@ declare_clippy_lint! { declare_lint_pass!(NeedlessLateInit => [NEEDLESS_LATE_INIT]); fn contains_assign_expr<'tcx>(cx: &LateContext<'tcx>, stmt: &'tcx Stmt<'tcx>) -> bool { - for_each_expr_with_closures(cx, stmt, |e| { + for_each_expr(cx, stmt, |e| { if matches!(e.kind, ExprKind::Assign(..)) { ControlFlow::Break(()) } else { @@ -74,7 +74,7 @@ fn contains_assign_expr<'tcx>(cx: &LateContext<'tcx>, stmt: &'tcx Stmt<'tcx>) -> } fn contains_let(cond: &Expr<'_>) -> bool { - for_each_expr(cond, |e| { + for_each_expr_without_closures(cond, |e| { if matches!(e.kind, ExprKind::Let(_)) { ControlFlow::Break(()) } else { diff --git a/clippy_lints/src/needless_pass_by_ref_mut.rs b/clippy_lints/src/needless_pass_by_ref_mut.rs index da6ed5fb96f1..57ba0da53319 100644 --- a/clippy_lints/src/needless_pass_by_ref_mut.rs +++ b/clippy_lints/src/needless_pass_by_ref_mut.rs @@ -1,7 +1,7 @@ use super::needless_pass_by_value::requires_exact_signature; use clippy_utils::diagnostics::span_lint_hir_and_then; use clippy_utils::source::snippet; -use clippy_utils::visitors::for_each_expr_with_closures; +use clippy_utils::visitors::for_each_expr; use clippy_utils::{inherits_cfg, is_from_proc_macro, is_self}; use rustc_data_structures::fx::{FxHashSet, FxIndexMap}; use rustc_errors::Applicability; @@ -205,7 +205,7 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessPassByRefMut<'tcx> { // We retrieve all the closures declared in the function because they will not be found // by `euv::Delegate`. let mut closures: FxHashSet = FxHashSet::default(); - for_each_expr_with_closures(cx, body, |expr| { + for_each_expr(cx, body, |expr| { if let ExprKind::Closure(closure) = expr.kind { closures.insert(closure.def_id); } diff --git a/clippy_lints/src/operators/assign_op_pattern.rs b/clippy_lints/src/operators/assign_op_pattern.rs index 910e584a7a0f..641d881d974b 100644 --- a/clippy_lints/src/operators/assign_op_pattern.rs +++ b/clippy_lints/src/operators/assign_op_pattern.rs @@ -1,7 +1,7 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::source::snippet_opt; use clippy_utils::ty::implements_trait; -use clippy_utils::visitors::for_each_expr; +use clippy_utils::visitors::for_each_expr_without_closures; use clippy_utils::{binop_traits, eq_expr_value, trait_ref_of_method}; use core::ops::ControlFlow; use rustc_errors::Applicability; @@ -62,7 +62,7 @@ pub(super) fn check<'tcx>( }; let mut found = false; - let found_multiple = for_each_expr(e, |e| { + let found_multiple = for_each_expr_without_closures(e, |e| { if eq_expr_value(cx, assignee, e) { if found { return ControlFlow::Break(()); diff --git a/clippy_lints/src/panic_in_result_fn.rs b/clippy_lints/src/panic_in_result_fn.rs index f821a4efee7b..6d43143ababf 100644 --- a/clippy_lints/src/panic_in_result_fn.rs +++ b/clippy_lints/src/panic_in_result_fn.rs @@ -2,7 +2,7 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::macros::root_macro_call_first_node; use clippy_utils::return_ty; use clippy_utils::ty::is_type_diagnostic_item; -use clippy_utils::visitors::{for_each_expr, Descend}; +use clippy_utils::visitors::{for_each_expr_without_closures, Descend}; use core::ops::ControlFlow; use rustc_hir as hir; use rustc_hir::intravisit::FnKind; @@ -64,7 +64,7 @@ impl<'tcx> LateLintPass<'tcx> for PanicInResultFn { fn lint_impl_body<'tcx>(cx: &LateContext<'tcx>, impl_span: Span, body: &'tcx hir::Body<'tcx>) { let mut panics = Vec::new(); - let _: Option = for_each_expr(body.value, |e| { + let _: Option = for_each_expr_without_closures(body.value, |e| { let Some(macro_call) = root_macro_call_first_node(cx, e) else { return ControlFlow::Continue(Descend::Yes); }; diff --git a/clippy_lints/src/redundant_async_block.rs b/clippy_lints/src/redundant_async_block.rs index 0ed957f1f2fb..313e4083256b 100644 --- a/clippy_lints/src/redundant_async_block.rs +++ b/clippy_lints/src/redundant_async_block.rs @@ -4,7 +4,7 @@ use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::peel_blocks; use clippy_utils::source::{snippet, walk_span_to_context}; use clippy_utils::ty::implements_trait; -use clippy_utils::visitors::for_each_expr; +use clippy_utils::visitors::for_each_expr_without_closures; use rustc_errors::Applicability; use rustc_hir::{ Closure, ClosureKind, CoroutineDesugaring, CoroutineKind, CoroutineSource, Expr, ExprKind, MatchSource, @@ -107,7 +107,7 @@ fn desugar_await<'tcx>(expr: &'tcx Expr<'_>) -> Option<&'tcx Expr<'tcx>> { if let ExprKind::Match(match_value, _, MatchSource::AwaitDesugar) = expr.kind && let ExprKind::Call(_, [into_future_arg]) = match_value.kind && let ctxt = expr.span.ctxt() - && for_each_expr(into_future_arg, |e| { + && for_each_expr_without_closures(into_future_arg, |e| { walk_span_to_context(e.span, ctxt).map_or(ControlFlow::Break(()), |_| ControlFlow::Continue(())) }) .is_none() diff --git a/clippy_lints/src/returns.rs b/clippy_lints/src/returns.rs index e8f9d4381047..bf0903a6b1ba 100644 --- a/clippy_lints/src/returns.rs +++ b/clippy_lints/src/returns.rs @@ -1,7 +1,7 @@ use clippy_utils::diagnostics::{span_lint_and_sugg, span_lint_hir_and_then}; use clippy_utils::source::{snippet_opt, snippet_with_context}; use clippy_utils::sugg::has_enclosing_paren; -use clippy_utils::visitors::{for_each_expr_with_closures, Descend}; +use clippy_utils::visitors::{for_each_expr, Descend}; use clippy_utils::{ fn_def_id, is_from_proc_macro, is_inside_let_else, is_res_lang_ctor, path_res, path_to_local_id, span_contains_cfg, span_find_starting_semi, @@ -444,7 +444,7 @@ fn emit_return_lint( } fn last_statement_borrows<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) -> bool { - for_each_expr_with_closures(cx, expr, |e| { + for_each_expr(cx, expr, |e| { if let Some(def_id) = fn_def_id(cx, e) && cx .tcx diff --git a/clippy_lints/src/suspicious_trait_impl.rs b/clippy_lints/src/suspicious_trait_impl.rs index 3f030b803318..744d6392e065 100644 --- a/clippy_lints/src/suspicious_trait_impl.rs +++ b/clippy_lints/src/suspicious_trait_impl.rs @@ -1,5 +1,5 @@ use clippy_utils::diagnostics::span_lint; -use clippy_utils::visitors::for_each_expr; +use clippy_utils::visitors::for_each_expr_without_closures; use clippy_utils::{binop_traits, trait_ref_of_method, BINOP_TRAITS, OP_ASSIGN_TRAITS}; use core::ops::ControlFlow; use rustc_hir as hir; @@ -95,7 +95,7 @@ impl<'tcx> LateLintPass<'tcx> for SuspiciousImpl { fn count_binops(expr: &hir::Expr<'_>) -> u32 { let mut count = 0u32; - let _: Option = for_each_expr(expr, |e| { + let _: Option = for_each_expr_without_closures(expr, |e| { if matches!( e.kind, hir::ExprKind::Binary(..) diff --git a/clippy_lints/src/undocumented_unsafe_blocks.rs b/clippy_lints/src/undocumented_unsafe_blocks.rs index cbd161800770..6ab9d641bdb7 100644 --- a/clippy_lints/src/undocumented_unsafe_blocks.rs +++ b/clippy_lints/src/undocumented_unsafe_blocks.rs @@ -3,7 +3,7 @@ use std::ops::ControlFlow; use clippy_utils::diagnostics::span_lint_and_help; use clippy_utils::is_lint_allowed; use clippy_utils::source::walk_span_to_context; -use clippy_utils::visitors::{for_each_expr_with_closures, Descend}; +use clippy_utils::visitors::{for_each_expr, Descend}; use hir::HirId; use rustc_data_structures::sync::Lrc; use rustc_hir as hir; @@ -297,7 +297,7 @@ fn expr_has_unnecessary_safety_comment<'tcx>( } // this should roughly be the reverse of `block_parents_have_safety_comment` - if for_each_expr_with_closures(cx, expr, |expr| match expr.kind { + if for_each_expr(cx, expr, |expr| match expr.kind { hir::ExprKind::Block( Block { rules: BlockCheckMode::UnsafeBlock(UnsafeSource::UserProvided), diff --git a/clippy_lints/src/unused_self.rs b/clippy_lints/src/unused_self.rs index a67f53f00aee..3e6102f5982f 100644 --- a/clippy_lints/src/unused_self.rs +++ b/clippy_lints/src/unused_self.rs @@ -59,7 +59,7 @@ impl<'tcx> LateLintPass<'tcx> for UnusedSelf { let parent_item = cx.tcx.hir().expect_item(parent); let assoc_item = cx.tcx.associated_item(impl_item.owner_id); let contains_todo = |cx, body: &'_ Body<'_>| -> bool { - clippy_utils::visitors::for_each_expr(body.value, |e| { + clippy_utils::visitors::for_each_expr_without_closures(body.value, |e| { if let Some(macro_call) = root_macro_call_first_node(cx, e) { if cx.tcx.item_name(macro_call.def_id).as_str() == "todo" { ControlFlow::Break(()) diff --git a/clippy_lints/src/unwrap_in_result.rs b/clippy_lints/src/unwrap_in_result.rs index aca500590cef..a4142a30ea4a 100644 --- a/clippy_lints/src/unwrap_in_result.rs +++ b/clippy_lints/src/unwrap_in_result.rs @@ -1,6 +1,6 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::ty::is_type_diagnostic_item; -use clippy_utils::visitors::for_each_expr; +use clippy_utils::visitors::for_each_expr_without_closures; use clippy_utils::{method_chain_args, return_ty}; use core::ops::ControlFlow; use rustc_hir as hir; @@ -75,7 +75,7 @@ fn lint_impl_body<'tcx>(cx: &LateContext<'tcx>, impl_span: Span, impl_item: &'tc let body = cx.tcx.hir().body(body_id); let typeck = cx.tcx.typeck(impl_item.owner_id.def_id); let mut result = Vec::new(); - let _: Option = for_each_expr(body.value, |e| { + let _: Option = for_each_expr_without_closures(body.value, |e| { // check for `expect` if let Some(arglists) = method_chain_args(e, &["expect"]) { let receiver_ty = typeck.expr_ty(arglists[0].0).peel_refs(); diff --git a/clippy_lints/src/zero_repeat_side_effects.rs b/clippy_lints/src/zero_repeat_side_effects.rs index 143fecdd237d..da198b78d2e7 100644 --- a/clippy_lints/src/zero_repeat_side_effects.rs +++ b/clippy_lints/src/zero_repeat_side_effects.rs @@ -1,7 +1,7 @@ use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::higher::VecArgs; use clippy_utils::source::snippet; -use clippy_utils::visitors::for_each_expr; +use clippy_utils::visitors::for_each_expr_without_closures; use rustc_ast::LitKind; use rustc_errors::Applicability; use rustc_hir::{ExprKind, Node}; @@ -66,7 +66,7 @@ impl LateLintPass<'_> for ZeroRepeatSideEffects { fn inner_check(cx: &LateContext<'_>, expr: &'_ rustc_hir::Expr<'_>, inner_expr: &'_ rustc_hir::Expr<'_>, is_vec: bool) { // check if expr is a call or has a call inside it - if for_each_expr(inner_expr, |x| { + if for_each_expr_without_closures(inner_expr, |x| { if let ExprKind::Call(_, _) | ExprKind::MethodCall(_, _, _, _) = x.kind { std::ops::ControlFlow::Break(()) } else { diff --git a/clippy_utils/src/lib.rs b/clippy_utils/src/lib.rs index 4c603bda770a..3bd09525d5a2 100644 --- a/clippy_utils/src/lib.rs +++ b/clippy_utils/src/lib.rs @@ -126,7 +126,7 @@ use visitors::Visitable; use crate::consts::{constant, mir_to_const, Constant}; use crate::higher::Range; use crate::ty::{adt_and_variant_of_res, can_partially_move_ty, expr_sig, is_copy, is_recursively_primitive_type}; -use crate::visitors::for_each_expr; +use crate::visitors::for_each_expr_without_closures; use rustc_middle::hir::nested_filter; @@ -1313,7 +1313,7 @@ pub fn contains_name<'tcx>(name: Symbol, expr: &'tcx Expr<'_>, cx: &LateContext< /// Returns `true` if `expr` contains a return expression pub fn contains_return<'tcx>(expr: impl Visitable<'tcx>) -> bool { - for_each_expr(expr, |e| { + for_each_expr_without_closures(expr, |e| { if matches!(e.kind, ExprKind::Ret(..)) { ControlFlow::Break(()) } else { diff --git a/clippy_utils/src/macros.rs b/clippy_utils/src/macros.rs index 8daab9b0d92c..455239cc37f3 100644 --- a/clippy_utils/src/macros.rs +++ b/clippy_utils/src/macros.rs @@ -1,6 +1,6 @@ #![allow(clippy::similar_names)] // `expr` and `expn` -use crate::visitors::{for_each_expr, Descend}; +use crate::visitors::{for_each_expr_without_closures, Descend}; use arrayvec::ArrayVec; use rustc_ast::{FormatArgs, FormatArgument, FormatPlaceholder}; @@ -323,7 +323,7 @@ fn find_assert_args_inner<'a, const N: usize>( Some(inner_name) => find_assert_within_debug_assert(cx, expr, expn, Symbol::intern(inner_name))?, }; let mut args = ArrayVec::new(); - let panic_expn = for_each_expr(expr, |e| { + let panic_expn = for_each_expr_without_closures(expr, |e| { if args.is_full() { match PanicExpn::parse(e) { Some(expn) => ControlFlow::Break(expn), @@ -349,7 +349,7 @@ fn find_assert_within_debug_assert<'a>( expn: ExpnId, assert_name: Symbol, ) -> Option<(&'a Expr<'a>, ExpnId)> { - for_each_expr(expr, |e| { + for_each_expr_without_closures(expr, |e| { if !e.span.from_expansion() { return ControlFlow::Continue(Descend::No); } @@ -397,7 +397,7 @@ impl FormatArgsStorage { /// /// See also [`find_format_arg_expr`] pub fn get(&self, cx: &LateContext<'_>, start: &Expr<'_>, expn_id: ExpnId) -> Option<&FormatArgs> { - let format_args_expr = for_each_expr(start, |expr| { + let format_args_expr = for_each_expr_without_closures(start, |expr| { let ctxt = expr.span.ctxt(); if ctxt.outer_expn().is_descendant_of(expn_id) { if macro_backtrace(expr.span) @@ -439,7 +439,7 @@ pub fn find_format_arg_expr<'hir, 'ast>( parent: _, } = target.expr.span.data(); - for_each_expr(start, |expr| { + for_each_expr_without_closures(start, |expr| { // When incremental compilation is enabled spans gain a parent during AST to HIR lowering, // since we're comparing an AST span to a HIR one we need to ignore the parent field let data = expr.span.data(); diff --git a/clippy_utils/src/ptr.rs b/clippy_utils/src/ptr.rs index 88837d8a143e..991ea428dc33 100644 --- a/clippy_utils/src/ptr.rs +++ b/clippy_utils/src/ptr.rs @@ -1,5 +1,5 @@ use crate::source::snippet; -use crate::visitors::{for_each_expr, Descend}; +use crate::visitors::{for_each_expr_without_closures, Descend}; use crate::{path_to_local_id, strip_pat_refs}; use core::ops::ControlFlow; use rustc_hir::{Body, BodyId, ExprKind, HirId, PatKind}; @@ -31,7 +31,7 @@ fn extract_clone_suggestions<'tcx>( body: &'tcx Body<'_>, ) -> Option)>> { let mut spans = Vec::new(); - for_each_expr(body, |e| { + for_each_expr_without_closures(body, |e| { if let ExprKind::MethodCall(seg, recv, [], _) = e.kind && path_to_local_id(recv, id) { diff --git a/clippy_utils/src/usage.rs b/clippy_utils/src/usage.rs index 2a25d51d8e50..fbf3d95365ac 100644 --- a/clippy_utils/src/usage.rs +++ b/clippy_utils/src/usage.rs @@ -1,4 +1,4 @@ -use crate::visitors::{for_each_expr, for_each_expr_with_closures, Descend, Visitable}; +use crate::visitors::{for_each_expr, for_each_expr_without_closures, Descend, Visitable}; use crate::{self as utils, get_enclosing_loop_or_multi_call_closure}; use core::ops::ControlFlow; use hir::def::Res; @@ -145,7 +145,7 @@ impl<'a, 'tcx> Visitor<'tcx> for BindingUsageFinder<'a, 'tcx> { } pub fn contains_return_break_continue_macro(expression: &Expr<'_>) -> bool { - for_each_expr(expression, |e| { + for_each_expr_without_closures(expression, |e| { match e.kind { ExprKind::Ret(..) | ExprKind::Break(..) | ExprKind::Continue(..) => ControlFlow::Break(()), // Something special could be done here to handle while or for loop @@ -159,7 +159,7 @@ pub fn contains_return_break_continue_macro(expression: &Expr<'_>) -> bool { } pub fn local_used_in<'tcx>(cx: &LateContext<'tcx>, local_id: HirId, v: impl Visitable<'tcx>) -> bool { - for_each_expr_with_closures(cx, v, |e| { + for_each_expr(cx, v, |e| { if utils::path_to_local_id(e, local_id) { ControlFlow::Break(()) } else { @@ -184,7 +184,7 @@ pub fn local_used_after_expr(cx: &LateContext<'_>, local_id: HirId, after: &Expr let loop_start = get_enclosing_loop_or_multi_call_closure(cx, after).map(|e| e.hir_id); let mut past_expr = false; - for_each_expr_with_closures(cx, block, |e| { + for_each_expr(cx, block, |e| { if past_expr { if utils::path_to_local_id(e, local_id) { ControlFlow::Break(()) diff --git a/clippy_utils/src/visitors.rs b/clippy_utils/src/visitors.rs index a3f3b32ed372..00a97822e496 100644 --- a/clippy_utils/src/visitors.rs +++ b/clippy_utils/src/visitors.rs @@ -100,7 +100,7 @@ visitable_ref!(Stmt, visit_stmt); /// Calls the given function once for each expression contained. This does not enter any bodies or /// nested items. -pub fn for_each_expr<'tcx, B, C: Continue>( +pub fn for_each_expr_without_closures<'tcx, B, C: Continue>( node: impl Visitable<'tcx>, f: impl FnMut(&'tcx Expr<'tcx>) -> ControlFlow, ) -> Option { @@ -134,7 +134,7 @@ pub fn for_each_expr<'tcx, B, C: Continue>( /// Calls the given function once for each expression contained. This will enter bodies, but not /// nested items. -pub fn for_each_expr_with_closures<'tcx, B, C: Continue>( +pub fn for_each_expr<'tcx, B, C: Continue>( cx: &LateContext<'tcx>, node: impl Visitable<'tcx>, f: impl FnMut(&'tcx Expr<'tcx>) -> ControlFlow, @@ -181,7 +181,7 @@ pub fn for_each_expr_with_closures<'tcx, B, C: Continue>( /// returns `true` if expr contains match expr desugared from try fn contains_try(expr: &Expr<'_>) -> bool { - for_each_expr(expr, |e| { + for_each_expr_without_closures(expr, |e| { if matches!(e.kind, ExprKind::Match(_, _, hir::MatchSource::TryDesugar(_))) { ControlFlow::Break(()) } else { @@ -286,7 +286,7 @@ where /// Checks if the given resolved path is used in the given body. pub fn is_res_used(cx: &LateContext<'_>, res: Res, body: BodyId) -> bool { - for_each_expr_with_closures(cx, cx.tcx.hir().body(body).value, |e| { + for_each_expr(cx, cx.tcx.hir().body(body).value, |e| { if let ExprKind::Path(p) = &e.kind { if cx.qpath_res(p, e.hir_id) == res { return ControlFlow::Break(()); @@ -299,7 +299,7 @@ pub fn is_res_used(cx: &LateContext<'_>, res: Res, body: BodyId) -> bool { /// Checks if the given local is used. pub fn is_local_used<'tcx>(cx: &LateContext<'tcx>, visitable: impl Visitable<'tcx>, id: HirId) -> bool { - for_each_expr_with_closures(cx, visitable, |e| { + for_each_expr(cx, visitable, |e| { if path_to_local_id(e, id) { ControlFlow::Break(()) } else { @@ -757,7 +757,7 @@ pub fn for_each_local_assignment<'tcx, B>( } pub fn contains_break_or_continue(expr: &Expr<'_>) -> bool { - for_each_expr(expr, |e| { + for_each_expr_without_closures(expr, |e| { if matches!(e.kind, ExprKind::Break(..) | ExprKind::Continue(..)) { ControlFlow::Break(()) } else { @@ -776,7 +776,7 @@ pub fn local_used_once<'tcx>( ) -> Option<&'tcx Expr<'tcx>> { let mut expr = None; - let cf = for_each_expr_with_closures(cx, visitable, |e| { + let cf = for_each_expr(cx, visitable, |e| { if path_to_local_id(e, id) && expr.replace(e).is_some() { ControlFlow::Break(()) } else { From 68e7356b7eb2037295aa81332b15e184c0974b5e Mon Sep 17 00:00:00 2001 From: Alex Macleod Date: Sun, 19 May 2024 15:08:36 +0000 Subject: [PATCH 0241/1716] Switch to `for_each_expr` in some lints --- clippy_lints/src/missing_fields_in_debug.rs | 6 +++--- clippy_lints/src/panic_in_result_fn.rs | 4 ++-- clippy_lints/src/unwrap_in_result.rs | 4 ++-- tests/ui/missing_fields_in_debug.rs | 18 ++++++++++++++++++ tests/ui/missing_fields_in_debug.stderr | 16 ++++++++-------- tests/ui/panic_in_result_fn.rs | 5 +++++ tests/ui/panic_in_result_fn.stderr | 18 +++++++++++++++++- tests/ui/unwrap_in_result.rs | 5 +++++ tests/ui/unwrap_in_result.stderr | 18 +++++++++++++++++- 9 files changed, 77 insertions(+), 17 deletions(-) diff --git a/clippy_lints/src/missing_fields_in_debug.rs b/clippy_lints/src/missing_fields_in_debug.rs index 10f6cb7c0d30..77595b121aad 100644 --- a/clippy_lints/src/missing_fields_in_debug.rs +++ b/clippy_lints/src/missing_fields_in_debug.rs @@ -3,7 +3,7 @@ use std::ops::ControlFlow; use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::is_path_lang_item; use clippy_utils::ty::is_type_diagnostic_item; -use clippy_utils::visitors::{for_each_expr_without_closures, Visitable}; +use clippy_utils::visitors::{for_each_expr, Visitable}; use rustc_ast::LitKind; use rustc_data_structures::fx::FxHashSet; use rustc_hir::def::{DefKind, Res}; @@ -110,7 +110,7 @@ fn should_lint<'tcx>( // Is there a call to `DebugStruct::debug_struct`? Do lint if there is. let mut has_debug_struct = false; - for_each_expr_without_closures(block, |expr| { + for_each_expr(cx, block, |expr| { if let ExprKind::MethodCall(path, recv, ..) = &expr.kind { let recv_ty = typeck_results.expr_ty(recv).peel_refs(); @@ -165,7 +165,7 @@ fn check_struct<'tcx>( let mut has_direct_field_access = false; let mut field_accesses = FxHashSet::default(); - for_each_expr_without_closures(block, |expr| { + for_each_expr(cx, block, |expr| { if let ExprKind::Field(target, ident) = expr.kind && let target_ty = typeck_results.expr_ty_adjusted(target).peel_refs() && target_ty == self_ty diff --git a/clippy_lints/src/panic_in_result_fn.rs b/clippy_lints/src/panic_in_result_fn.rs index 6d43143ababf..4cf238f71bcf 100644 --- a/clippy_lints/src/panic_in_result_fn.rs +++ b/clippy_lints/src/panic_in_result_fn.rs @@ -2,7 +2,7 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::macros::root_macro_call_first_node; use clippy_utils::return_ty; use clippy_utils::ty::is_type_diagnostic_item; -use clippy_utils::visitors::{for_each_expr_without_closures, Descend}; +use clippy_utils::visitors::{for_each_expr, Descend}; use core::ops::ControlFlow; use rustc_hir as hir; use rustc_hir::intravisit::FnKind; @@ -64,7 +64,7 @@ impl<'tcx> LateLintPass<'tcx> for PanicInResultFn { fn lint_impl_body<'tcx>(cx: &LateContext<'tcx>, impl_span: Span, body: &'tcx hir::Body<'tcx>) { let mut panics = Vec::new(); - let _: Option = for_each_expr_without_closures(body.value, |e| { + let _: Option = for_each_expr(cx, body.value, |e| { let Some(macro_call) = root_macro_call_first_node(cx, e) else { return ControlFlow::Continue(Descend::Yes); }; diff --git a/clippy_lints/src/unwrap_in_result.rs b/clippy_lints/src/unwrap_in_result.rs index a4142a30ea4a..cb0364c1bc09 100644 --- a/clippy_lints/src/unwrap_in_result.rs +++ b/clippy_lints/src/unwrap_in_result.rs @@ -1,6 +1,6 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::ty::is_type_diagnostic_item; -use clippy_utils::visitors::for_each_expr_without_closures; +use clippy_utils::visitors::for_each_expr; use clippy_utils::{method_chain_args, return_ty}; use core::ops::ControlFlow; use rustc_hir as hir; @@ -75,7 +75,7 @@ fn lint_impl_body<'tcx>(cx: &LateContext<'tcx>, impl_span: Span, impl_item: &'tc let body = cx.tcx.hir().body(body_id); let typeck = cx.tcx.typeck(impl_item.owner_id.def_id); let mut result = Vec::new(); - let _: Option = for_each_expr_without_closures(body.value, |e| { + let _: Option = for_each_expr(cx, body.value, |e| { // check for `expect` if let Some(arglists) = method_chain_args(e, &["expect"]) { let receiver_ty = typeck.expr_ty(arglists[0].0).peel_refs(); diff --git a/tests/ui/missing_fields_in_debug.rs b/tests/ui/missing_fields_in_debug.rs index e91e8ab7f475..68867ec819d1 100644 --- a/tests/ui/missing_fields_in_debug.rs +++ b/tests/ui/missing_fields_in_debug.rs @@ -4,6 +4,7 @@ use std::fmt; use std::marker::PhantomData; use std::ops::Deref; +use std::thread::LocalKey; struct NamedStruct1Ignored { data: u8, @@ -191,4 +192,21 @@ impl fmt::Debug for WithPD { } } +struct InClosure { + a: u8, + b: String, +} + +impl fmt::Debug for InClosure { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + let mut d = f.debug_struct("InClosure"); + d.field("a", &self.a); + let mut c = || { + d.field("b", &self.b); + }; + c(); + d.finish() + } +} + fn main() {} diff --git a/tests/ui/missing_fields_in_debug.stderr b/tests/ui/missing_fields_in_debug.stderr index 6f8a9abe9228..8c1810909dd8 100644 --- a/tests/ui/missing_fields_in_debug.stderr +++ b/tests/ui/missing_fields_in_debug.stderr @@ -1,5 +1,5 @@ error: manual `Debug` impl does not include all fields - --> tests/ui/missing_fields_in_debug.rs:13:1 + --> tests/ui/missing_fields_in_debug.rs:14:1 | LL | / impl fmt::Debug for NamedStruct1Ignored { LL | | @@ -11,7 +11,7 @@ LL | | } | |_^ | note: this field is unused - --> tests/ui/missing_fields_in_debug.rs:10:5 + --> tests/ui/missing_fields_in_debug.rs:11:5 | LL | hidden: u32, | ^^^^^^^^^^^ @@ -21,7 +21,7 @@ LL | hidden: u32, = help: to override `-D warnings` add `#[allow(clippy::missing_fields_in_debug)]` error: manual `Debug` impl does not include all fields - --> tests/ui/missing_fields_in_debug.rs:32:1 + --> tests/ui/missing_fields_in_debug.rs:33:1 | LL | / impl fmt::Debug for NamedStructMultipleIgnored { LL | | @@ -33,17 +33,17 @@ LL | | } | |_^ | note: this field is unused - --> tests/ui/missing_fields_in_debug.rs:26:5 + --> tests/ui/missing_fields_in_debug.rs:27:5 | LL | hidden: u32, | ^^^^^^^^^^^ note: this field is unused - --> tests/ui/missing_fields_in_debug.rs:27:5 + --> tests/ui/missing_fields_in_debug.rs:28:5 | LL | hidden2: String, | ^^^^^^^^^^^^^^^ note: this field is unused - --> tests/ui/missing_fields_in_debug.rs:29:5 + --> tests/ui/missing_fields_in_debug.rs:30:5 | LL | hidden4: ((((u8), u16), u32), u64), | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -51,7 +51,7 @@ LL | hidden4: ((((u8), u16), u32), u64), = help: consider calling `.finish_non_exhaustive()` if you intend to ignore fields error: manual `Debug` impl does not include all fields - --> tests/ui/missing_fields_in_debug.rs:94:1 + --> tests/ui/missing_fields_in_debug.rs:95:1 | LL | / impl fmt::Debug for MultiExprDebugImpl { LL | | @@ -63,7 +63,7 @@ LL | | } | |_^ | note: this field is unused - --> tests/ui/missing_fields_in_debug.rs:90:5 + --> tests/ui/missing_fields_in_debug.rs:91:5 | LL | b: String, | ^^^^^^^^^ diff --git a/tests/ui/panic_in_result_fn.rs b/tests/ui/panic_in_result_fn.rs index 41e2f5226899..aaaf9a109acb 100644 --- a/tests/ui/panic_in_result_fn.rs +++ b/tests/ui/panic_in_result_fn.rs @@ -56,6 +56,11 @@ fn function_result_with_panic() -> Result // should emit lint panic!("error"); } +fn in_closure() -> Result { + let c = || panic!(); + c() +} + fn todo() { println!("something"); } diff --git a/tests/ui/panic_in_result_fn.stderr b/tests/ui/panic_in_result_fn.stderr index cd2234bdfb13..2d49b5ab1b8f 100644 --- a/tests/ui/panic_in_result_fn.stderr +++ b/tests/ui/panic_in_result_fn.stderr @@ -34,5 +34,21 @@ note: return Err() instead of panicking LL | panic!("error"); | ^^^^^^^^^^^^^^^ -error: aborting due to 2 previous errors +error: used `panic!()` or assertion in a function that returns `Result` + --> tests/ui/panic_in_result_fn.rs:59:1 + | +LL | / fn in_closure() -> Result { +LL | | let c = || panic!(); +LL | | c() +LL | | } + | |_^ + | + = help: `panic!()` or assertions should not be used in a function that returns `Result` as `Result` is expected to return an error instead of crashing +note: return Err() instead of panicking + --> tests/ui/panic_in_result_fn.rs:60:16 + | +LL | let c = || panic!(); + | ^^^^^^^^ + +error: aborting due to 3 previous errors diff --git a/tests/ui/unwrap_in_result.rs b/tests/ui/unwrap_in_result.rs index a19db46c667d..62c6d959c84b 100644 --- a/tests/ui/unwrap_in_result.rs +++ b/tests/ui/unwrap_in_result.rs @@ -38,6 +38,11 @@ impl A { } None } + + fn in_closure(a: Option) -> Option { + let c = || a.unwrap(); + Some(c()) + } } fn main() { diff --git a/tests/ui/unwrap_in_result.stderr b/tests/ui/unwrap_in_result.stderr index 29c7a9373aa7..752177aaca57 100644 --- a/tests/ui/unwrap_in_result.stderr +++ b/tests/ui/unwrap_in_result.stderr @@ -38,5 +38,21 @@ note: potential non-recoverable error(s) LL | let i = i_str.parse::().expect("not a number"); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: aborting due to 2 previous errors +error: used unwrap or expect in a function that returns result or option + --> tests/ui/unwrap_in_result.rs:42:5 + | +LL | / fn in_closure(a: Option) -> Option { +LL | | let c = || a.unwrap(); +LL | | Some(c()) +LL | | } + | |_____^ + | + = help: unwrap and expect should not be used in a function that returns result or option +note: potential non-recoverable error(s) + --> tests/ui/unwrap_in_result.rs:43:20 + | +LL | let c = || a.unwrap(); + | ^^^^^^^^^^ + +error: aborting due to 3 previous errors From 9cba160d524698f6f9292589e45909b2450ff60b Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sun, 19 May 2024 18:03:13 +0200 Subject: [PATCH 0242/1716] use a little arg-parsing helper for miri-script --- src/tools/miri/miri-script/src/args.rs | 136 ++++++++++++++++++ src/tools/miri/miri-script/src/commands.rs | 74 ++++++---- src/tools/miri/miri-script/src/main.rs | 158 +++++++++------------ src/tools/miri/miri-script/src/util.rs | 34 +---- src/tools/miri/src/bin/miri.rs | 5 +- 5 files changed, 261 insertions(+), 146 deletions(-) create mode 100644 src/tools/miri/miri-script/src/args.rs diff --git a/src/tools/miri/miri-script/src/args.rs b/src/tools/miri/miri-script/src/args.rs new file mode 100644 index 000000000000..16a21757b353 --- /dev/null +++ b/src/tools/miri/miri-script/src/args.rs @@ -0,0 +1,136 @@ +use std::env; +use std::iter; + +use anyhow::{bail, Result}; + +pub struct Args { + args: iter::Peekable, + /// Set to `true` once we saw a `--`. + terminated: bool, +} + +impl Args { + pub fn new() -> Self { + let mut args = Args { args: env::args().peekable(), terminated: false }; + args.args.next().unwrap(); // skip program name + args + } + + /// Get the next argument without any interpretation. + pub fn next_raw(&mut self) -> Option { + self.args.next() + } + + /// Consume a `-$f` flag if present. + pub fn get_short_flag(&mut self, flag: char) -> Result { + if self.terminated { + return Ok(false); + } + if let Some(next) = self.args.peek() { + if let Some(next) = next.strip_prefix("-") { + if let Some(next) = next.strip_prefix(flag) { + if next.is_empty() { + self.args.next().unwrap(); // consume this argument + return Ok(true); + } else { + bail!("`-{flag}` followed by value"); + } + } + } + } + Ok(false) + } + + /// Consume a `--$name` flag if present. + pub fn get_long_flag(&mut self, name: &str) -> Result { + if self.terminated { + return Ok(false); + } + if let Some(next) = self.args.peek() { + if let Some(next) = next.strip_prefix("--") { + if next == name { + self.args.next().unwrap(); // consume this argument + return Ok(true); + } + } + } + Ok(false) + } + + /// Consume a `--$name val` or `--$name=val` option if present. + pub fn get_long_opt(&mut self, name: &str) -> Result> { + assert!(!name.is_empty()); + if self.terminated { + return Ok(None); + } + let Some(next) = self.args.peek() else { return Ok(None) }; + let Some(next) = next.strip_prefix("--") else { return Ok(None) }; + let Some(next) = next.strip_prefix(name) else { return Ok(None) }; + // Starts with `--flag`. + Ok(if let Some(val) = next.strip_prefix("=") { + // `--flag=val` form + let val = val.into(); + self.args.next().unwrap(); // consume this argument + Some(val) + } else if next.is_empty() { + // `--flag val` form + self.args.next().unwrap(); // consume this argument + let Some(val) = self.args.next() else { bail!("`--{name}` not followed by value") }; + Some(val) + } else { + // Some unrelated flag, like `--flag-more` or so. + None + }) + } + + /// Consume a `--$name=val` or `--$name` option if present; the latter + /// produces a default value. (`--$name val` is *not* accepted for this form + /// of argument, it understands `val` already as the next argument!) + pub fn get_long_opt_with_default( + &mut self, + name: &str, + default: &str, + ) -> Result> { + assert!(!name.is_empty()); + if self.terminated { + return Ok(None); + } + let Some(next) = self.args.peek() else { return Ok(None) }; + let Some(next) = next.strip_prefix("--") else { return Ok(None) }; + let Some(next) = next.strip_prefix(name) else { return Ok(None) }; + // Starts with `--flag`. + Ok(if let Some(val) = next.strip_prefix("=") { + // `--flag=val` form + let val = val.into(); + self.args.next().unwrap(); // consume this argument + Some(val) + } else if next.is_empty() { + // `--flag` form + self.args.next().unwrap(); // consume this argument + Some(default.into()) + } else { + // Some unrelated flag, like `--flag-more` or so. + None + }) + } + + /// Returns the next free argument or uninterpreted flag, or `None` if there are no more + /// arguments left. `--` is returned as well, but it is interpreted in the sense that no more + /// flags will be parsed after this. + pub fn get_other(&mut self) -> Option { + if self.terminated { + return self.args.next(); + } + let next = self.args.next()?; + if next == "--" { + self.terminated = true; // don't parse any more flags + // This is where our parser is special, we do yield the `--`. + } + Some(next) + } + + /// Return the rest of the aguments entirely unparsed. + pub fn remainder(self) -> Vec { + self.args.collect() + } +} diff --git a/src/tools/miri/miri-script/src/commands.rs b/src/tools/miri/miri-script/src/commands.rs index 7b5a047bf757..8061f99b5d65 100644 --- a/src/tools/miri/miri-script/src/commands.rs +++ b/src/tools/miri/miri-script/src/commands.rs @@ -25,7 +25,11 @@ impl MiriEnv { /// Returns the location of the sysroot. /// /// If the target is None the sysroot will be built for the host machine. - fn build_miri_sysroot(&mut self, quiet: bool, target: Option<&OsStr>) -> Result { + fn build_miri_sysroot( + &mut self, + quiet: bool, + target: Option>, + ) -> Result { if let Some(miri_sysroot) = self.sh.var_os("MIRI_SYSROOT") { // Sysroot already set, use that. return Ok(miri_sysroot.into()); @@ -37,14 +41,17 @@ impl MiriEnv { self.build(path!(self.miri_dir / "Cargo.toml"), &[], quiet)?; self.build(&manifest_path, &[], quiet)?; - let target_flag = - if let Some(target) = target { vec![OsStr::new("--target"), target] } else { vec![] }; + let target_flag = if let Some(target) = &target { + vec![OsStr::new("--target"), target.as_ref()] + } else { + vec![] + }; let target_flag = &target_flag; if !quiet { eprint!("$ cargo miri setup"); - if let Some(target) = target { - eprint!(" --target {target}", target = target.to_string_lossy()); + if let Some(target) = &target { + eprint!(" --target {target}", target = target.as_ref().to_string_lossy()); } eprintln!(); } @@ -157,8 +164,8 @@ impl Command { Command::Build { flags } => Self::build(flags), Command::Check { flags } => Self::check(flags), Command::Test { bless, flags, target } => Self::test(bless, flags, target), - Command::Run { dep, verbose, many_seeds, flags } => - Self::run(dep, verbose, many_seeds, flags), + Command::Run { dep, verbose, many_seeds, target, edition, flags } => + Self::run(dep, verbose, many_seeds, target, edition, flags), Command::Fmt { flags } => Self::fmt(flags), Command::Clippy { flags } => Self::clippy(flags), Command::Cargo { flags } => Self::cargo(flags), @@ -169,7 +176,7 @@ impl Command { } } - fn toolchain(flags: Vec) -> Result<()> { + fn toolchain(flags: Vec) -> Result<()> { // Make sure rustup-toolchain-install-master is installed. which::which("rustup-toolchain-install-master") .context("Please install rustup-toolchain-install-master by running 'cargo install rustup-toolchain-install-master'")?; @@ -364,7 +371,7 @@ impl Command { Ok(()) } - fn bench(target: Option, benches: Vec) -> Result<()> { + fn bench(target: Option, benches: Vec) -> Result<()> { // The hyperfine to use let hyperfine = env::var("HYPERFINE"); let hyperfine = hyperfine.as_deref().unwrap_or("hyperfine -w 1 -m 5 --shell=none"); @@ -378,14 +385,14 @@ impl Command { let sh = Shell::new()?; sh.change_dir(miri_dir()?); let benches_dir = "bench-cargo-miri"; - let benches = if benches.is_empty() { + let benches: Vec = if benches.is_empty() { sh.read_dir(benches_dir)? .into_iter() .filter(|path| path.is_dir()) .map(Into::into) .collect() } else { - benches.to_owned() + benches.into_iter().map(Into::into).collect() }; let target_flag = if let Some(target) = target { let mut flag = OsString::from("--target="); @@ -409,28 +416,28 @@ impl Command { Ok(()) } - fn install(flags: Vec) -> Result<()> { + fn install(flags: Vec) -> Result<()> { let e = MiriEnv::new()?; e.install_to_sysroot(e.miri_dir.clone(), &flags)?; e.install_to_sysroot(path!(e.miri_dir / "cargo-miri"), &flags)?; Ok(()) } - fn build(flags: Vec) -> Result<()> { + fn build(flags: Vec) -> Result<()> { let e = MiriEnv::new()?; e.build(path!(e.miri_dir / "Cargo.toml"), &flags, /* quiet */ false)?; e.build(path!(e.miri_dir / "cargo-miri" / "Cargo.toml"), &flags, /* quiet */ false)?; Ok(()) } - fn check(flags: Vec) -> Result<()> { + fn check(flags: Vec) -> Result<()> { let e = MiriEnv::new()?; e.check(path!(e.miri_dir / "Cargo.toml"), &flags)?; e.check(path!(e.miri_dir / "cargo-miri" / "Cargo.toml"), &flags)?; Ok(()) } - fn clippy(flags: Vec) -> Result<()> { + fn clippy(flags: Vec) -> Result<()> { let e = MiriEnv::new()?; e.clippy(path!(e.miri_dir / "Cargo.toml"), &flags)?; e.clippy(path!(e.miri_dir / "cargo-miri" / "Cargo.toml"), &flags)?; @@ -438,7 +445,7 @@ impl Command { Ok(()) } - fn cargo(flags: Vec) -> Result<()> { + fn cargo(flags: Vec) -> Result<()> { let e = MiriEnv::new()?; let toolchain = &e.toolchain; // We carefully kept the working dir intact, so this will run cargo *on the workspace in the @@ -447,7 +454,7 @@ impl Command { Ok(()) } - fn test(bless: bool, mut flags: Vec, target: Option) -> Result<()> { + fn test(bless: bool, mut flags: Vec, target: Option) -> Result<()> { let mut e = MiriEnv::new()?; // Prepare a sysroot. @@ -475,21 +482,30 @@ impl Command { dep: bool, verbose: bool, many_seeds: Option>, - mut flags: Vec, + target: Option, + edition: Option, + flags: Vec, ) -> Result<()> { let mut e = MiriEnv::new()?; - let target = arg_flag_value(&flags, "--target"); + // More flags that we will pass before `flags` + // (because `flags` may contain `--`). + let mut early_flags = Vec::::new(); - // Scan for "--edition", set one ourselves if that flag is not present. - let have_edition = arg_flag_value(&flags, "--edition").is_some(); - if !have_edition { - flags.push("--edition=2021".into()); // keep in sync with `tests/ui.rs`.` + // Add target, edition to flags. + if let Some(target) = &target { + early_flags.push("--target".into()); + early_flags.push(target.into()); } + if verbose { + early_flags.push("--verbose".into()); + } + early_flags.push("--edition".into()); + early_flags.push(edition.as_deref().unwrap_or("2021").into()); - // Prepare a sysroot, and add it to the flags. + // Prepare a sysroot, add it to the flags. let miri_sysroot = e.build_miri_sysroot(/* quiet */ !verbose, target.as_deref())?; - flags.push("--sysroot".into()); - flags.push(miri_sysroot.into()); + early_flags.push("--sysroot".into()); + early_flags.push(miri_sysroot.into()); // Compute everything needed to run the actual command. Also add MIRIFLAGS. let miri_manifest = path!(e.miri_dir / "Cargo.toml"); @@ -515,7 +531,7 @@ impl Command { }; cmd.set_quiet(!verbose); // Add Miri flags - let cmd = cmd.args(&miri_flags).args(seed_flag).args(&flags); + let cmd = cmd.args(&miri_flags).args(&seed_flag).args(&early_flags).args(&flags); // And run the thing. Ok(cmd.run()?) }; @@ -534,7 +550,7 @@ impl Command { Ok(()) } - fn fmt(flags: Vec) -> Result<()> { + fn fmt(flags: Vec) -> Result<()> { use itertools::Itertools; let e = MiriEnv::new()?; @@ -556,6 +572,6 @@ impl Command { .filter_ok(|item| item.file_type().is_file()) .map_ok(|item| item.into_path()); - e.format_files(files, &e.toolchain[..], &config_path, &flags[..]) + e.format_files(files, &e.toolchain[..], &config_path, &flags) } } diff --git a/src/tools/miri/miri-script/src/main.rs b/src/tools/miri/miri-script/src/main.rs index a8626ceb45d7..d436ef0c5aaa 100644 --- a/src/tools/miri/miri-script/src/main.rs +++ b/src/tools/miri/miri-script/src/main.rs @@ -1,10 +1,10 @@ #![allow(clippy::needless_question_mark)] +mod args; mod commands; mod util; -use std::ffi::OsString; -use std::{env, ops::Range}; +use std::ops::Range; use anyhow::{anyhow, bail, Context, Result}; @@ -16,26 +16,26 @@ pub enum Command { /// sysroot, to prevent conflicts with other toolchains. Install { /// Flags that are passed through to `cargo install`. - flags: Vec, + flags: Vec, }, /// Just build miri. Build { /// Flags that are passed through to `cargo build`. - flags: Vec, + flags: Vec, }, /// Just check miri. Check { /// Flags that are passed through to `cargo check`. - flags: Vec, + flags: Vec, }, /// Build miri, set up a sysroot and then run the test suite. Test { bless: bool, /// The cross-interpretation target. /// If none then the host is the target. - target: Option, + target: Option, /// Flags that are passed through to the test harness. - flags: Vec, + flags: Vec, }, /// Build miri, set up a sysroot and then run the driver with the given . /// (Also respects MIRIFLAGS environment variable.) @@ -43,33 +43,35 @@ pub enum Command { dep: bool, verbose: bool, many_seeds: Option>, + target: Option, + edition: Option, /// Flags that are passed through to `miri`. - flags: Vec, + flags: Vec, }, /// Format all sources and tests. Fmt { /// Flags that are passed through to `rustfmt`. - flags: Vec, + flags: Vec, }, /// Runs clippy on all sources. Clippy { /// Flags that are passed through to `cargo clippy`. - flags: Vec, + flags: Vec, }, /// Runs just `cargo ` with the Miri-specific environment variables. /// Mainly meant to be invoked by rust-analyzer. - Cargo { flags: Vec }, + Cargo { flags: Vec }, /// Runs the benchmarks from bench-cargo-miri in hyperfine. hyperfine needs to be installed. Bench { - target: Option, + target: Option, /// List of benchmarks to run. By default all benchmarks are run. - benches: Vec, + benches: Vec, }, /// Update and activate the rustup toolchain 'miri' to the commit given in the /// `rust-version` file. /// `rustup-toolchain-install-master` must be installed for this to work. Any extra /// flags are passed to `rustup-toolchain-install-master`. - Toolchain { flags: Vec }, + Toolchain { flags: Vec }, /// Pull and merge Miri changes from the rustc repo. Defaults to fetching the latest /// rustc commit. The fetched commit is stored in the `rust-version` file, so the /// next `./miri toolchain` will install the rustc that just got pulled. @@ -145,113 +147,95 @@ Pass extra flags to all cargo invocations. (Ignored by `./miri cargo`.)"#; fn main() -> Result<()> { // We are hand-rolling our own argument parser, since `clap` can't express what we need // (https://github.com/clap-rs/clap/issues/5055). - let mut args = env::args_os().peekable(); - args.next().unwrap(); // skip program name - let command = match args.next().and_then(|s| s.into_string().ok()).as_deref() { - Some("build") => Command::Build { flags: args.collect() }, - Some("check") => Command::Check { flags: args.collect() }, + let mut args = args::Args::new(); + let command = match args.next_raw().as_deref() { + Some("build") => Command::Build { flags: args.remainder() }, + Some("check") => Command::Check { flags: args.remainder() }, Some("test") => { let mut target = None; let mut bless = false; - - while let Some(arg) = args.peek().and_then(|s| s.to_str()) { - match arg { - "--bless" => bless = true, - "--target" => { - // Skip "--target" - args.next().unwrap(); - // Next argument is the target triple. - let val = args.peek().ok_or_else(|| { - anyhow!("`--target` must be followed by target triple") - })?; - target = Some(val.to_owned()); - } - // Only parse the leading flags. - _ => break, + let mut flags = Vec::new(); + loop { + if args.get_long_flag("bless")? { + bless = true; + } else if let Some(val) = args.get_long_opt("target")? { + target = Some(val); + } else if let Some(flag) = args.get_other() { + flags.push(flag); + } else { + break; } - - // Consume the flag, look at the next one. - args.next().unwrap(); } - - Command::Test { bless, flags: args.collect(), target } + Command::Test { bless, flags, target } } Some("run") => { let mut dep = false; let mut verbose = false; let mut many_seeds = None; - while let Some(arg) = args.peek().and_then(|s| s.to_str()) { - if arg == "--dep" { + let mut target = None; + let mut edition = None; + let mut flags = Vec::new(); + loop { + if args.get_long_flag("dep")? { dep = true; - } else if arg == "-v" || arg == "--verbose" { + } else if args.get_long_flag("verbose")? || args.get_short_flag('v')? { verbose = true; - } else if arg == "--many-seeds" { - many_seeds = Some(0..256); - } else if let Some(val) = arg.strip_prefix("--many-seeds=") { + } else if let Some(val) = args.get_long_opt_with_default("many-seeds", "0..256")? { let (from, to) = val.split_once("..").ok_or_else(|| { - anyhow!("invalid format for `--many-seeds`: expected `from..to`") + anyhow!("invalid format for `--many-seeds-range`: expected `from..to`") })?; let from: u32 = if from.is_empty() { 0 } else { - from.parse().context("invalid `from` in `--many-seeds=from..to")? + from.parse().context("invalid `from` in `--many-seeds-range=from..to")? }; - let to: u32 = to.parse().context("invalid `to` in `--many-seeds=from..to")?; + let to: u32 = + to.parse().context("invalid `to` in `--many-seeds-range=from..to")?; many_seeds = Some(from..to); + } else if let Some(val) = args.get_long_opt("target")? { + target = Some(val); + } else if let Some(val) = args.get_long_opt("edition")? { + edition = Some(val); + } else if let Some(flag) = args.get_other() { + flags.push(flag); } else { - break; // not for us + break; } - // Consume the flag, look at the next one. - args.next().unwrap(); } - Command::Run { dep, verbose, many_seeds, flags: args.collect() } + Command::Run { dep, verbose, many_seeds, target, edition, flags } } - Some("fmt") => Command::Fmt { flags: args.collect() }, - Some("clippy") => Command::Clippy { flags: args.collect() }, - Some("cargo") => Command::Cargo { flags: args.collect() }, - Some("install") => Command::Install { flags: args.collect() }, + Some("fmt") => Command::Fmt { flags: args.remainder() }, + Some("clippy") => Command::Clippy { flags: args.remainder() }, + Some("cargo") => Command::Cargo { flags: args.remainder() }, + Some("install") => Command::Install { flags: args.remainder() }, Some("bench") => { let mut target = None; - while let Some(arg) = args.peek().and_then(|s| s.to_str()) { - match arg { - "--target" => { - // Skip "--target" - args.next().unwrap(); - // Next argument is the target triple. - let val = args.peek().ok_or_else(|| { - anyhow!("`--target` must be followed by target triple") - })?; - target = Some(val.to_owned()); - } - // Only parse the leading flags. - _ => break, + let mut benches = Vec::new(); + loop { + if let Some(val) = args.get_long_opt("target")? { + target = Some(val); + } else if let Some(flag) = args.get_other() { + benches.push(flag); + } else { + break; } - - // Consume the flag, look at the next one. - args.next().unwrap(); } - - Command::Bench { target, benches: args.collect() } + Command::Bench { target, benches } } - Some("toolchain") => Command::Toolchain { flags: args.collect() }, + Some("toolchain") => Command::Toolchain { flags: args.remainder() }, Some("rustc-pull") => { - let commit = args.next().map(|a| a.to_string_lossy().into_owned()); - if args.next().is_some() { + let commit = args.next_raw(); + if args.next_raw().is_some() { bail!("Too many arguments for `./miri rustc-pull`"); } Command::RustcPull { commit } } Some("rustc-push") => { - let github_user = args - .next() - .ok_or_else(|| { - anyhow!("Missing first argument for `./miri rustc-push GITHUB_USER [BRANCH]`") - })? - .to_string_lossy() - .into_owned(); - let branch = - args.next().unwrap_or_else(|| "miri-sync".into()).to_string_lossy().into_owned(); - if args.next().is_some() { + let github_user = args.next_raw().ok_or_else(|| { + anyhow!("Missing first argument for `./miri rustc-push GITHUB_USER [BRANCH]`") + })?; + let branch = args.next_raw().unwrap_or_else(|| "miri-sync".into()); + if args.next_raw().is_some() { bail!("Too many arguments for `./miri rustc-push GITHUB_USER BRANCH`"); } Command::RustcPush { github_user, branch } diff --git a/src/tools/miri/miri-script/src/util.rs b/src/tools/miri/miri-script/src/util.rs index 2b5791f3ea53..e9095a45fce7 100644 --- a/src/tools/miri/miri-script/src/util.rs +++ b/src/tools/miri/miri-script/src/util.rs @@ -27,30 +27,6 @@ pub fn flagsplit(flags: &str) -> Vec { flags.split(' ').map(str::trim).filter(|s| !s.is_empty()).map(str::to_string).collect() } -pub fn arg_flag_value( - args: impl IntoIterator>, - flag: &str, -) -> Option { - let mut args = args.into_iter(); - while let Some(arg) = args.next() { - let arg = arg.as_ref(); - if arg == "--" { - return None; - } - let Some(arg) = arg.to_str() else { - // Skip non-UTF-8 arguments. - continue; - }; - if arg == flag { - // Next one is the value. - return Some(args.next()?.as_ref().to_owned()); - } else if let Some(val) = arg.strip_prefix(flag).and_then(|s| s.strip_prefix("=")) { - return Some(val.to_owned().into()); - } - } - None -} - /// Some extra state we track for building Miri, such as the right RUSTFLAGS. pub struct MiriEnv { /// miri_dir is the root of the miri repository checkout we are working in. @@ -133,7 +109,7 @@ impl MiriEnv { pub fn build( &self, manifest_path: impl AsRef, - args: &[OsString], + args: &[String], quiet: bool, ) -> Result<()> { let MiriEnv { toolchain, cargo_extra_flags, .. } = self; @@ -149,21 +125,21 @@ impl MiriEnv { Ok(()) } - pub fn check(&self, manifest_path: impl AsRef, args: &[OsString]) -> Result<()> { + pub fn check(&self, manifest_path: impl AsRef, args: &[String]) -> Result<()> { let MiriEnv { toolchain, cargo_extra_flags, .. } = self; cmd!(self.sh, "cargo +{toolchain} check {cargo_extra_flags...} --manifest-path {manifest_path} --all-targets {args...}") .run()?; Ok(()) } - pub fn clippy(&self, manifest_path: impl AsRef, args: &[OsString]) -> Result<()> { + pub fn clippy(&self, manifest_path: impl AsRef, args: &[String]) -> Result<()> { let MiriEnv { toolchain, cargo_extra_flags, .. } = self; cmd!(self.sh, "cargo +{toolchain} clippy {cargo_extra_flags...} --manifest-path {manifest_path} --all-targets {args...}") .run()?; Ok(()) } - pub fn test(&self, manifest_path: impl AsRef, args: &[OsString]) -> Result<()> { + pub fn test(&self, manifest_path: impl AsRef, args: &[String]) -> Result<()> { let MiriEnv { toolchain, cargo_extra_flags, .. } = self; cmd!( self.sh, @@ -181,7 +157,7 @@ impl MiriEnv { files: impl Iterator>, toolchain: &str, config_path: &Path, - flags: &[OsString], + flags: &[String], ) -> anyhow::Result<()> { use itertools::Itertools; diff --git a/src/tools/miri/src/bin/miri.rs b/src/tools/miri/src/bin/miri.rs index 305e9cd8d342..d748febeed4b 100644 --- a/src/tools/miri/src/bin/miri.rs +++ b/src/tools/miri/src/bin/miri.rs @@ -405,9 +405,12 @@ fn main() { let mut rustc_args = vec![]; let mut after_dashdash = false; - // If user has explicitly enabled/disabled isolation let mut isolation_enabled: Option = None; + + // Note that we require values to be given with `=`, not with a space. + // This matches how rustc parses `-Z`. + // However, unlike rustc we do not accept a space after `-Z`. for arg in args { if rustc_args.is_empty() { // Very first arg: binary name. From 42cb1ffa3604748073670003fcfeba0277e38c52 Mon Sep 17 00:00:00 2001 From: bjorn3 <17426603+bjorn3@users.noreply.github.com> Date: Sat, 24 Feb 2024 14:27:27 +0000 Subject: [PATCH 0243/1716] Directly implement native exception raise methods in miri Windows still needs the old custom ABI as SEH unwinding isn't supported by miri. Unlike DWARF unwinding it preserves all stack frames until right after the do_catch function has executed. Because of this panic_unwind stack allocates the exception object. Miri can't currently model unwinding without destroying stack frames and as such will report a use-after-free of the exception object. --- src/tools/miri/src/intrinsics/mod.rs | 7 +- src/tools/miri/src/shims/foreign_items.rs | 4 + src/tools/miri/src/shims/mod.rs | 2 + .../miri/src/shims/unix/foreign_items.rs | 11 +++ .../miri/tests/pass/panic/unwind_dwarf.rs | 95 +++++++++++++++++++ 5 files changed, 118 insertions(+), 1 deletion(-) create mode 100644 src/tools/miri/tests/pass/panic/unwind_dwarf.rs diff --git a/src/tools/miri/src/intrinsics/mod.rs b/src/tools/miri/src/intrinsics/mod.rs index 7344846d6d9d..59b24b0f63eb 100644 --- a/src/tools/miri/src/intrinsics/mod.rs +++ b/src/tools/miri/src/intrinsics/mod.rs @@ -26,7 +26,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { args: &[OpTy<'tcx, Provenance>], dest: &MPlaceTy<'tcx, Provenance>, ret: Option, - _unwind: mir::UnwindAction, + unwind: mir::UnwindAction, ) -> InterpResult<'tcx, Option>> { let this = self.eval_context_mut(); @@ -67,6 +67,11 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { this.return_to_block(ret)?; Ok(None) } + EmulateItemResult::NeedsUnwind => { + // Jump to the unwind block to begin unwinding. + this.unwind_to_block(unwind)?; + Ok(None) + } EmulateItemResult::AlreadyJumped => Ok(None), } } diff --git a/src/tools/miri/src/shims/foreign_items.rs b/src/tools/miri/src/shims/foreign_items.rs index a65da823e24c..b363531a2dd5 100644 --- a/src/tools/miri/src/shims/foreign_items.rs +++ b/src/tools/miri/src/shims/foreign_items.rs @@ -87,6 +87,10 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { trace!("{:?}", this.dump_place(&dest.clone().into())); this.return_to_block(ret)?; } + EmulateItemResult::NeedsUnwind => { + // Jump to the unwind block to begin unwinding. + this.unwind_to_block(unwind)?; + } EmulateItemResult::AlreadyJumped => (), EmulateItemResult::NotSupported => { if let Some(body) = this.lookup_exported_symbol(link_name)? { diff --git a/src/tools/miri/src/shims/mod.rs b/src/tools/miri/src/shims/mod.rs index d9c4a2282c1f..0e80c142b49a 100644 --- a/src/tools/miri/src/shims/mod.rs +++ b/src/tools/miri/src/shims/mod.rs @@ -23,6 +23,8 @@ pub use unix::{DirTable, FdTable}; pub enum EmulateItemResult { /// The caller is expected to jump to the return block. NeedsJumping, + /// The caller is expected to jump to the unwind block. + NeedsUnwind, /// Jumping has already been taken care of. AlreadyJumped, /// The item is not supported. diff --git a/src/tools/miri/src/shims/unix/foreign_items.rs b/src/tools/miri/src/shims/unix/foreign_items.rs index 396011cc22af..ed23771d2b58 100644 --- a/src/tools/miri/src/shims/unix/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/foreign_items.rs @@ -639,6 +639,17 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { this.gen_random(ptr, len)?; this.write_scalar(Scalar::from_target_usize(len, this), dest)?; } + "_Unwind_RaiseException" => { + trace!("_Unwind_RaiseException: {:?}", this.frame().instance); + + // Get the raw pointer stored in arg[0] (the panic payload). + let [payload] = this.check_shim(abi, Abi::C { unwind: true }, link_name, args)?; + let payload = this.read_scalar(payload)?; + let thread = this.active_thread_mut(); + thread.panic_payloads.push(payload); + + return Ok(EmulateItemResult::NeedsUnwind); + } // Incomplete shims that we "stub out" just to get pre-main initialization code to work. // These shims are enabled only when the caller is in the standard library. diff --git a/src/tools/miri/tests/pass/panic/unwind_dwarf.rs b/src/tools/miri/tests/pass/panic/unwind_dwarf.rs new file mode 100644 index 000000000000..aa5ec05fbc06 --- /dev/null +++ b/src/tools/miri/tests/pass/panic/unwind_dwarf.rs @@ -0,0 +1,95 @@ +//@only-target-linux +#![feature(core_intrinsics, panic_unwind, rustc_attrs)] +#![allow(internal_features)] + +//! Unwinding using `_Unwind_RaiseException` + +extern crate unwind as uw; + +use std::any::Any; +use std::ptr; + +#[repr(C)] +struct Exception { + _uwe: uw::_Unwind_Exception, + cause: Box, +} + +pub fn panic(data: Box) -> u32 { + let exception = Box::new(Exception { + _uwe: uw::_Unwind_Exception { + exception_class: rust_exception_class(), + exception_cleanup, + private: [core::ptr::null(); uw::unwinder_private_data_size], + }, + cause: data, + }); + let exception_param = Box::into_raw(exception) as *mut uw::_Unwind_Exception; + return unsafe { uw::_Unwind_RaiseException(exception_param) as u32 }; + + extern "C" fn exception_cleanup( + _unwind_code: uw::_Unwind_Reason_Code, + _exception: *mut uw::_Unwind_Exception, + ) { + std::process::abort(); + } +} + +pub unsafe fn rust_panic_cleanup(ptr: *mut u8) -> Box { + let exception = ptr as *mut uw::_Unwind_Exception; + if (*exception).exception_class != rust_exception_class() { + std::process::abort(); + } + + let exception = exception.cast::(); + + let exception = Box::from_raw(exception as *mut Exception); + exception.cause +} + +fn rust_exception_class() -> uw::_Unwind_Exception_Class { + // M O Z \0 R U S T -- vendor, language + 0x4d4f5a_00_52555354 +} + +pub fn catch_unwind R>(f: F) -> Result> { + struct Data { + f: Option, + r: Option, + p: Option>, + } + + let mut data = Data { f: Some(f), r: None, p: None }; + + let data_ptr = ptr::addr_of_mut!(data) as *mut u8; + unsafe { + return if std::intrinsics::r#try(do_call::, data_ptr, do_catch::) == 0 { + Ok(data.r.take().unwrap()) + } else { + Err(data.p.take().unwrap()) + }; + } + + fn do_call R, R>(data: *mut u8) { + unsafe { + let data = &mut *data.cast::>(); + let f = data.f.take().unwrap(); + data.r = Some(f()); + } + } + + #[rustc_nounwind] + fn do_catch R, R>(data: *mut u8, payload: *mut u8) { + unsafe { + let obj = rust_panic_cleanup(payload); + (*data.cast::>()).p = Some(obj); + } + } +} + +fn main() { + assert_eq!( + catch_unwind(|| panic(Box::new(42))).unwrap_err().downcast::().unwrap(), + Box::new(42) + ); +} From 434221ba45ffb03e8e837c62543eee7c5b3c62f1 Mon Sep 17 00:00:00 2001 From: Waffle Lapkin Date: Sun, 19 May 2024 16:26:42 +0200 Subject: [PATCH 0244/1716] bless tests --- ...never-type-fallback-flowing-into-unsafe.rs | 10 +++++ ...r-type-fallback-flowing-into-unsafe.stderr | 38 ++++++++++++++----- 2 files changed, 39 insertions(+), 9 deletions(-) diff --git a/tests/ui/never_type/lint-never-type-fallback-flowing-into-unsafe.rs b/tests/ui/never_type/lint-never-type-fallback-flowing-into-unsafe.rs index 0ae498c134f0..d65bfee843e3 100644 --- a/tests/ui/never_type/lint-never-type-fallback-flowing-into-unsafe.rs +++ b/tests/ui/never_type/lint-never-type-fallback-flowing-into-unsafe.rs @@ -7,6 +7,7 @@ fn _zero() { if false { unsafe { mem::zeroed() } //~^ warn: never type fallback affects this call to an `unsafe` function + //~| warn: this will change its meaning in a future release! } else { return; }; @@ -21,6 +22,7 @@ fn _trans() { struct Zst; core::mem::transmute(Zst) //~^ warn: never type fallback affects this call to an `unsafe` function + //~| warn: this will change its meaning in a future release! } } else { return; @@ -36,6 +38,7 @@ fn _union() { unsafe { Union { a: () }.b } //~^ warn: never type fallback affects this union access + //~| warn: this will change its meaning in a future release! } else { return; }; @@ -45,6 +48,7 @@ fn _deref() { if false { unsafe { *ptr::from_ref(&()).cast() } //~^ warn: never type fallback affects this raw pointer dereference + //~| warn: this will change its meaning in a future release! } else { return; }; @@ -62,6 +66,7 @@ fn _only_generics() { unsafe { internally_create(x) } //~^ warn: never type fallback affects this call to an `unsafe` function + //~| warn: this will change its meaning in a future release! x.unwrap() } else { @@ -73,9 +78,11 @@ fn _stored_function() { if false { let zeroed = mem::zeroed; //~^ warn: never type fallback affects this `unsafe` function + //~| warn: this will change its meaning in a future release! unsafe { zeroed() } //~^ warn: never type fallback affects this call to an `unsafe` function + //~| warn: this will change its meaning in a future release! } else { return; }; @@ -90,6 +97,7 @@ fn _only_generics_stored_function() { let x = None; let f = internally_create; //~^ warn: never type fallback affects this `unsafe` function + //~| warn: this will change its meaning in a future release! unsafe { f(x) } @@ -113,6 +121,7 @@ fn _method() { unsafe { S(marker::PhantomData).create_out_of_thin_air() //~^ warn: never type fallback affects this call to an `unsafe` method + //~| warn: this will change its meaning in a future release! } } else { return; @@ -129,6 +138,7 @@ fn _objc() { () => { match send_message::<_ /* ?0 */>() { //~^ warn: never type fallback affects this call to an `unsafe` function + //~| warn: this will change its meaning in a future release! Ok(x) => x, Err(_) => loop {}, } diff --git a/tests/ui/never_type/lint-never-type-fallback-flowing-into-unsafe.stderr b/tests/ui/never_type/lint-never-type-fallback-flowing-into-unsafe.stderr index 84c9385fd139..fbd92f8f662b 100644 --- a/tests/ui/never_type/lint-never-type-fallback-flowing-into-unsafe.stderr +++ b/tests/ui/never_type/lint-never-type-fallback-flowing-into-unsafe.stderr @@ -4,75 +4,93 @@ warning: never type fallback affects this call to an `unsafe` function LL | unsafe { mem::zeroed() } | ^^^^^^^^^^^^^ | + = warning: this will change its meaning in a future release! + = note: for more information, see issue #123748 = help: specify the type explicitly = note: `#[warn(never_type_fallback_flowing_into_unsafe)]` on by default warning: never type fallback affects this call to an `unsafe` function - --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:22:13 + --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:23:13 | LL | core::mem::transmute(Zst) | ^^^^^^^^^^^^^^^^^^^^^^^^^ | + = warning: this will change its meaning in a future release! + = note: for more information, see issue #123748 = help: specify the type explicitly warning: never type fallback affects this union access - --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:37:18 + --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:39:18 | LL | unsafe { Union { a: () }.b } | ^^^^^^^^^^^^^^^^^ | + = warning: this will change its meaning in a future release! + = note: for more information, see issue #123748 = help: specify the type explicitly warning: never type fallback affects this raw pointer dereference - --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:46:18 + --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:49:18 | LL | unsafe { *ptr::from_ref(&()).cast() } | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | + = warning: this will change its meaning in a future release! + = note: for more information, see issue #123748 = help: specify the type explicitly warning: never type fallback affects this call to an `unsafe` function - --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:63:18 + --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:67:18 | LL | unsafe { internally_create(x) } | ^^^^^^^^^^^^^^^^^^^^ | + = warning: this will change its meaning in a future release! + = note: for more information, see issue #123748 = help: specify the type explicitly warning: never type fallback affects this call to an `unsafe` function - --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:77:18 + --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:83:18 | LL | unsafe { zeroed() } | ^^^^^^^^ | + = warning: this will change its meaning in a future release! + = note: for more information, see issue #123748 = help: specify the type explicitly warning: never type fallback affects this `unsafe` function - --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:74:22 + --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:79:22 | LL | let zeroed = mem::zeroed; | ^^^^^^^^^^^ | + = warning: this will change its meaning in a future release! + = note: for more information, see issue #123748 = help: specify the type explicitly warning: never type fallback affects this `unsafe` function - --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:91:17 + --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:98:17 | LL | let f = internally_create; | ^^^^^^^^^^^^^^^^^ | + = warning: this will change its meaning in a future release! + = note: for more information, see issue #123748 = help: specify the type explicitly warning: never type fallback affects this call to an `unsafe` method - --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:114:13 + --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:122:13 | LL | S(marker::PhantomData).create_out_of_thin_air() | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | + = warning: this will change its meaning in a future release! + = note: for more information, see issue #123748 = help: specify the type explicitly warning: never type fallback affects this call to an `unsafe` function - --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:130:19 + --> $DIR/lint-never-type-fallback-flowing-into-unsafe.rs:139:19 | LL | match send_message::<_ /* ?0 */>() { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -80,6 +98,8 @@ LL | match send_message::<_ /* ?0 */>() { LL | msg_send!(); | ----------- in this macro invocation | + = warning: this will change its meaning in a future release! + = note: for more information, see issue #123748 = help: specify the type explicitly = note: this warning originates in the macro `msg_send` (in Nightly builds, run with -Z macro-backtrace for more info) From 5e41ff516fad8f2984cc0c290948c458970e4a86 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sun, 19 May 2024 19:07:53 +0200 Subject: [PATCH 0245/1716] various small nits - share implementation with miri_starting_unwind - make test use a custom unwinding class - extend comments - use NeedsUnwind more consistently --- src/tools/miri/ci/ci.sh | 2 +- src/tools/miri/src/intrinsics/atomic.rs | 2 +- src/tools/miri/src/intrinsics/mod.rs | 4 +-- src/tools/miri/src/intrinsics/simd.rs | 2 +- src/tools/miri/src/shims/alloc.rs | 2 +- src/tools/miri/src/shims/foreign_items.rs | 19 +++++----- src/tools/miri/src/shims/mod.rs | 4 +-- src/tools/miri/src/shims/panic.rs | 13 +------ .../src/shims/unix/android/foreign_items.rs | 2 +- .../miri/src/shims/unix/foreign_items.rs | 30 +++++++++++----- .../src/shims/unix/freebsd/foreign_items.rs | 2 +- .../src/shims/unix/linux/foreign_items.rs | 2 +- .../src/shims/unix/macos/foreign_items.rs | 2 +- .../src/shims/unix/solarish/foreign_items.rs | 2 +- .../miri/src/shims/wasi/foreign_items.rs | 2 +- .../miri/src/shims/windows/foreign_items.rs | 2 +- src/tools/miri/src/shims/x86/aesni.rs | 2 +- src/tools/miri/src/shims/x86/avx.rs | 2 +- src/tools/miri/src/shims/x86/avx2.rs | 2 +- src/tools/miri/src/shims/x86/mod.rs | 2 +- src/tools/miri/src/shims/x86/sse.rs | 2 +- src/tools/miri/src/shims/x86/sse2.rs | 2 +- src/tools/miri/src/shims/x86/sse3.rs | 2 +- src/tools/miri/src/shims/x86/sse41.rs | 2 +- src/tools/miri/src/shims/x86/ssse3.rs | 2 +- .../miri/tests/pass/panic/unwind_dwarf.rs | 35 ++++++++++--------- 26 files changed, 74 insertions(+), 71 deletions(-) diff --git a/src/tools/miri/ci/ci.sh b/src/tools/miri/ci/ci.sh index 9480663a01d0..4e92169b3d05 100755 --- a/src/tools/miri/ci/ci.sh +++ b/src/tools/miri/ci/ci.sh @@ -145,7 +145,7 @@ case $HOST_TARGET in TEST_TARGET=s390x-unknown-linux-gnu run_tests # big-endian architecture of choice # Partially supported targets (tier 2) BASIC="empty_main integer vec string btreemap hello hashmap heap_alloc align" # ensures we have the basics: stdout/stderr, system allocator, randomness (for HashMap initialization) - UNIX="panic/panic concurrency/simple atomic libc-mem libc-misc libc-random env num_cpus" # the things that are very similar across all Unixes, and hence easily supported there + UNIX="panic/panic panic/unwind concurrency/simple atomic libc-mem libc-misc libc-random env num_cpus" # the things that are very similar across all Unixes, and hence easily supported there TEST_TARGET=x86_64-unknown-freebsd run_tests_minimal $BASIC $UNIX threadname libc-time fs TEST_TARGET=i686-unknown-freebsd run_tests_minimal $BASIC $UNIX threadname libc-time fs TEST_TARGET=x86_64-unknown-illumos run_tests_minimal $BASIC $UNIX pthread-sync diff --git a/src/tools/miri/src/intrinsics/atomic.rs b/src/tools/miri/src/intrinsics/atomic.rs index 0c212c45dbda..501dbc1603e6 100644 --- a/src/tools/miri/src/intrinsics/atomic.rs +++ b/src/tools/miri/src/intrinsics/atomic.rs @@ -116,7 +116,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { _ => return Ok(EmulateItemResult::NotSupported), } - Ok(EmulateItemResult::NeedsJumping) + Ok(EmulateItemResult::NeedsReturn) } } diff --git a/src/tools/miri/src/intrinsics/mod.rs b/src/tools/miri/src/intrinsics/mod.rs index 59b24b0f63eb..0a7927d06214 100644 --- a/src/tools/miri/src/intrinsics/mod.rs +++ b/src/tools/miri/src/intrinsics/mod.rs @@ -62,7 +62,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { args: instance.args, })) } - EmulateItemResult::NeedsJumping => { + EmulateItemResult::NeedsReturn => { trace!("{:?}", this.dump_place(&dest.clone().into())); this.return_to_block(ret)?; Ok(None) @@ -446,6 +446,6 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { _ => return Ok(EmulateItemResult::NotSupported), } - Ok(EmulateItemResult::NeedsJumping) + Ok(EmulateItemResult::NeedsReturn) } } diff --git a/src/tools/miri/src/intrinsics/simd.rs b/src/tools/miri/src/intrinsics/simd.rs index d0a78429ca85..4cde364fbc47 100644 --- a/src/tools/miri/src/intrinsics/simd.rs +++ b/src/tools/miri/src/intrinsics/simd.rs @@ -746,7 +746,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { _ => return Ok(EmulateItemResult::NotSupported), } - Ok(EmulateItemResult::NeedsJumping) + Ok(EmulateItemResult::NeedsReturn) } fn fminmax_op( diff --git a/src/tools/miri/src/shims/alloc.rs b/src/tools/miri/src/shims/alloc.rs index bd84de81e693..ca672bdc611f 100644 --- a/src/tools/miri/src/shims/alloc.rs +++ b/src/tools/miri/src/shims/alloc.rs @@ -87,7 +87,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } AllocatorKind::Default => { default(this)?; - Ok(EmulateItemResult::NeedsJumping) + Ok(EmulateItemResult::NeedsReturn) } } } diff --git a/src/tools/miri/src/shims/foreign_items.rs b/src/tools/miri/src/shims/foreign_items.rs index b363531a2dd5..eccccb4a4497 100644 --- a/src/tools/miri/src/shims/foreign_items.rs +++ b/src/tools/miri/src/shims/foreign_items.rs @@ -82,8 +82,8 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } // The rest either implements the logic, or falls back to `lookup_exported_symbol`. - match this.emulate_foreign_item_inner(link_name, abi, args, dest, unwind)? { - EmulateItemResult::NeedsJumping => { + match this.emulate_foreign_item_inner(link_name, abi, args, dest)? { + EmulateItemResult::NeedsReturn => { trace!("{:?}", this.dump_place(&dest.clone().into())); this.return_to_block(ret)?; } @@ -210,7 +210,6 @@ trait EvalContextExtPriv<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { abi: Abi, args: &[OpTy<'tcx, Provenance>], dest: &MPlaceTy<'tcx, Provenance>, - unwind: mir::UnwindAction, ) -> InterpResult<'tcx, EmulateItemResult> { let this = self.eval_context_mut(); @@ -222,7 +221,7 @@ trait EvalContextExtPriv<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { // by the specified `.so` file; we should continue and check if it corresponds to // a provided shim. if this.call_native_fn(link_name, dest, args)? { - return Ok(EmulateItemResult::NeedsJumping); + return Ok(EmulateItemResult::NeedsReturn); } } @@ -267,9 +266,9 @@ trait EvalContextExtPriv<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { match link_name.as_str() { // Miri-specific extern functions "miri_start_unwind" => { - // `check_shim` happens inside `handle_miri_start_unwind`. - this.handle_miri_start_unwind(abi, link_name, args, unwind)?; - return Ok(EmulateItemResult::AlreadyJumped); + let [payload] = this.check_shim(abi, Abi::Rust, link_name, args)?; + this.handle_miri_start_unwind(payload)?; + return Ok(EmulateItemResult::NeedsUnwind); } "miri_run_provenance_gc" => { let [] = this.check_shim(abi, Abi::Rust, link_name, args)?; @@ -484,7 +483,7 @@ trait EvalContextExtPriv<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { "__rust_alloc" => return this.emulate_allocator(default), "miri_alloc" => { default(this)?; - return Ok(EmulateItemResult::NeedsJumping); + return Ok(EmulateItemResult::NeedsReturn); } _ => unreachable!(), } @@ -544,7 +543,7 @@ trait EvalContextExtPriv<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } "miri_dealloc" => { default(this)?; - return Ok(EmulateItemResult::NeedsJumping); + return Ok(EmulateItemResult::NeedsReturn); } _ => unreachable!(), } @@ -965,6 +964,6 @@ trait EvalContextExtPriv<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { }; // We only fall through to here if we did *not* hit the `_` arm above, // i.e., if we actually emulated the function with one of the shims. - Ok(EmulateItemResult::NeedsJumping) + Ok(EmulateItemResult::NeedsReturn) } } diff --git a/src/tools/miri/src/shims/mod.rs b/src/tools/miri/src/shims/mod.rs index 0e80c142b49a..a41a2883c915 100644 --- a/src/tools/miri/src/shims/mod.rs +++ b/src/tools/miri/src/shims/mod.rs @@ -22,10 +22,10 @@ pub use unix::{DirTable, FdTable}; /// What needs to be done after emulating an item (a shim or an intrinsic) is done. pub enum EmulateItemResult { /// The caller is expected to jump to the return block. - NeedsJumping, + NeedsReturn, /// The caller is expected to jump to the unwind block. NeedsUnwind, - /// Jumping has already been taken care of. + /// Jumping to the next block has already been taken care of. AlreadyJumped, /// The item is not supported. NotSupported, diff --git a/src/tools/miri/src/shims/panic.rs b/src/tools/miri/src/shims/panic.rs index 4444d297469f..e0e5396a455f 100644 --- a/src/tools/miri/src/shims/panic.rs +++ b/src/tools/miri/src/shims/panic.rs @@ -13,7 +13,6 @@ use rustc_ast::Mutability; use rustc_middle::{mir, ty}; -use rustc_span::Symbol; use rustc_target::spec::abi::Abi; use rustc_target::spec::PanicStrategy; @@ -46,25 +45,15 @@ impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { /// Handles the special `miri_start_unwind` intrinsic, which is called /// by libpanic_unwind to delegate the actual unwinding process to Miri. - fn handle_miri_start_unwind( - &mut self, - abi: Abi, - link_name: Symbol, - args: &[OpTy<'tcx, Provenance>], - unwind: mir::UnwindAction, - ) -> InterpResult<'tcx> { + fn handle_miri_start_unwind(&mut self, payload: &OpTy<'tcx, Provenance>) -> InterpResult<'tcx> { let this = self.eval_context_mut(); trace!("miri_start_unwind: {:?}", this.frame().instance); - // Get the raw pointer stored in arg[0] (the panic payload). - let [payload] = this.check_shim(abi, Abi::Rust, link_name, args)?; let payload = this.read_scalar(payload)?; let thread = this.active_thread_mut(); thread.panic_payloads.push(payload); - // Jump to the unwind block to begin unwinding. - this.unwind_to_block(unwind)?; Ok(()) } diff --git a/src/tools/miri/src/shims/unix/android/foreign_items.rs b/src/tools/miri/src/shims/unix/android/foreign_items.rs index f85b8a725f2f..590a5672f156 100644 --- a/src/tools/miri/src/shims/unix/android/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/android/foreign_items.rs @@ -27,6 +27,6 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { _ => return Ok(EmulateItemResult::NotSupported), } - Ok(EmulateItemResult::NeedsJumping) + Ok(EmulateItemResult::NeedsReturn) } } diff --git a/src/tools/miri/src/shims/unix/foreign_items.rs b/src/tools/miri/src/shims/unix/foreign_items.rs index ed23771d2b58..86dd23f31c7d 100644 --- a/src/tools/miri/src/shims/unix/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/foreign_items.rs @@ -640,14 +640,28 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { this.write_scalar(Scalar::from_target_usize(len, this), dest)?; } "_Unwind_RaiseException" => { - trace!("_Unwind_RaiseException: {:?}", this.frame().instance); - - // Get the raw pointer stored in arg[0] (the panic payload). + // This is not formally part of POSIX, but it is very wide-spread on POSIX systems. + // It was originally specified as part of the Itanium C++ ABI: + // https://itanium-cxx-abi.github.io/cxx-abi/abi-eh.html#base-throw. + // On Linux it is + // documented as part of the LSB: + // https://refspecs.linuxfoundation.org/LSB_5.0.0/LSB-Core-generic/LSB-Core-generic/baselib--unwind-raiseexception.html + // Basically every other UNIX uses the exact same api though. Arm also references + // back to the Itanium C++ ABI for the definition of `_Unwind_RaiseException` for + // arm64: + // https://github.com/ARM-software/abi-aa/blob/main/cppabi64/cppabi64.rst#toc-entry-35 + // For arm32 they did something custom, but similar enough that the same + // `_Unwind_RaiseException` impl in miri should work: + // https://github.com/ARM-software/abi-aa/blob/main/ehabi32/ehabi32.rst + if !matches!(&*this.tcx.sess.target.os, "linux" | "freebsd" | "illumos" | "solaris" | "android" | "macos") { + throw_unsup_format!( + "`_Unwind_RaiseException` is not supported on {}", + this.tcx.sess.target.os + ); + } + // This function looks and behaves excatly like miri_start_unwind. let [payload] = this.check_shim(abi, Abi::C { unwind: true }, link_name, args)?; - let payload = this.read_scalar(payload)?; - let thread = this.active_thread_mut(); - thread.panic_payloads.push(payload); - + this.handle_miri_start_unwind(payload)?; return Ok(EmulateItemResult::NeedsUnwind); } @@ -771,6 +785,6 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } }; - Ok(EmulateItemResult::NeedsJumping) + Ok(EmulateItemResult::NeedsReturn) } } diff --git a/src/tools/miri/src/shims/unix/freebsd/foreign_items.rs b/src/tools/miri/src/shims/unix/freebsd/foreign_items.rs index e70cd35dda6d..8a7f7e9d1fd8 100644 --- a/src/tools/miri/src/shims/unix/freebsd/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/freebsd/foreign_items.rs @@ -86,6 +86,6 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { _ => return Ok(EmulateItemResult::NotSupported), } - Ok(EmulateItemResult::NeedsJumping) + Ok(EmulateItemResult::NeedsReturn) } } diff --git a/src/tools/miri/src/shims/unix/linux/foreign_items.rs b/src/tools/miri/src/shims/unix/linux/foreign_items.rs index 7cd749a41072..b2666101ff29 100644 --- a/src/tools/miri/src/shims/unix/linux/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/linux/foreign_items.rs @@ -203,6 +203,6 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { _ => return Ok(EmulateItemResult::NotSupported), }; - Ok(EmulateItemResult::NeedsJumping) + Ok(EmulateItemResult::NeedsReturn) } } diff --git a/src/tools/miri/src/shims/unix/macos/foreign_items.rs b/src/tools/miri/src/shims/unix/macos/foreign_items.rs index 912623b72257..2b9ce746a565 100644 --- a/src/tools/miri/src/shims/unix/macos/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/macos/foreign_items.rs @@ -177,6 +177,6 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { _ => return Ok(EmulateItemResult::NotSupported), }; - Ok(EmulateItemResult::NeedsJumping) + Ok(EmulateItemResult::NeedsReturn) } } diff --git a/src/tools/miri/src/shims/unix/solarish/foreign_items.rs b/src/tools/miri/src/shims/unix/solarish/foreign_items.rs index c216d8afd773..6c5155618c96 100644 --- a/src/tools/miri/src/shims/unix/solarish/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/solarish/foreign_items.rs @@ -45,6 +45,6 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { _ => return Ok(EmulateItemResult::NotSupported), } - Ok(EmulateItemResult::NeedsJumping) + Ok(EmulateItemResult::NeedsReturn) } } diff --git a/src/tools/miri/src/shims/wasi/foreign_items.rs b/src/tools/miri/src/shims/wasi/foreign_items.rs index d911f43eb620..774a5e720254 100644 --- a/src/tools/miri/src/shims/wasi/foreign_items.rs +++ b/src/tools/miri/src/shims/wasi/foreign_items.rs @@ -35,6 +35,6 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { _ => return Ok(EmulateItemResult::NotSupported), } - Ok(EmulateItemResult::NeedsJumping) + Ok(EmulateItemResult::NeedsReturn) } } diff --git a/src/tools/miri/src/shims/windows/foreign_items.rs b/src/tools/miri/src/shims/windows/foreign_items.rs index 086abf19c5cf..91def80227db 100644 --- a/src/tools/miri/src/shims/windows/foreign_items.rs +++ b/src/tools/miri/src/shims/windows/foreign_items.rs @@ -762,6 +762,6 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { _ => return Ok(EmulateItemResult::NotSupported), } - Ok(EmulateItemResult::NeedsJumping) + Ok(EmulateItemResult::NeedsReturn) } } diff --git a/src/tools/miri/src/shims/x86/aesni.rs b/src/tools/miri/src/shims/x86/aesni.rs index 8dc3748a12d4..3a66c4315062 100644 --- a/src/tools/miri/src/shims/x86/aesni.rs +++ b/src/tools/miri/src/shims/x86/aesni.rs @@ -127,7 +127,7 @@ pub(super) trait EvalContextExt<'mir, 'tcx: 'mir>: // with an external crate. _ => return Ok(EmulateItemResult::NotSupported), } - Ok(EmulateItemResult::NeedsJumping) + Ok(EmulateItemResult::NeedsReturn) } } diff --git a/src/tools/miri/src/shims/x86/avx.rs b/src/tools/miri/src/shims/x86/avx.rs index 86ef180a4489..b1c61c8b3b2b 100644 --- a/src/tools/miri/src/shims/x86/avx.rs +++ b/src/tools/miri/src/shims/x86/avx.rs @@ -344,6 +344,6 @@ pub(super) trait EvalContextExt<'mir, 'tcx: 'mir>: } _ => return Ok(EmulateItemResult::NotSupported), } - Ok(EmulateItemResult::NeedsJumping) + Ok(EmulateItemResult::NeedsReturn) } } diff --git a/src/tools/miri/src/shims/x86/avx2.rs b/src/tools/miri/src/shims/x86/avx2.rs index adecf7b89240..e0bd2298ab8d 100644 --- a/src/tools/miri/src/shims/x86/avx2.rs +++ b/src/tools/miri/src/shims/x86/avx2.rs @@ -440,6 +440,6 @@ pub(super) trait EvalContextExt<'mir, 'tcx: 'mir>: } _ => return Ok(EmulateItemResult::NotSupported), } - Ok(EmulateItemResult::NeedsJumping) + Ok(EmulateItemResult::NeedsReturn) } } diff --git a/src/tools/miri/src/shims/x86/mod.rs b/src/tools/miri/src/shims/x86/mod.rs index 58d6db1886a1..1f7138ca338c 100644 --- a/src/tools/miri/src/shims/x86/mod.rs +++ b/src/tools/miri/src/shims/x86/mod.rs @@ -144,7 +144,7 @@ pub(super) trait EvalContextExt<'mir, 'tcx: 'mir>: _ => return Ok(EmulateItemResult::NotSupported), } - Ok(EmulateItemResult::NeedsJumping) + Ok(EmulateItemResult::NeedsReturn) } } diff --git a/src/tools/miri/src/shims/x86/sse.rs b/src/tools/miri/src/shims/x86/sse.rs index ea967a8cf72b..3636fb2f3fbf 100644 --- a/src/tools/miri/src/shims/x86/sse.rs +++ b/src/tools/miri/src/shims/x86/sse.rs @@ -212,6 +212,6 @@ pub(super) trait EvalContextExt<'mir, 'tcx: 'mir>: } _ => return Ok(EmulateItemResult::NotSupported), } - Ok(EmulateItemResult::NeedsJumping) + Ok(EmulateItemResult::NeedsReturn) } } diff --git a/src/tools/miri/src/shims/x86/sse2.rs b/src/tools/miri/src/shims/x86/sse2.rs index 31fa66a496f3..54d1e0c803bb 100644 --- a/src/tools/miri/src/shims/x86/sse2.rs +++ b/src/tools/miri/src/shims/x86/sse2.rs @@ -388,6 +388,6 @@ pub(super) trait EvalContextExt<'mir, 'tcx: 'mir>: } _ => return Ok(EmulateItemResult::NotSupported), } - Ok(EmulateItemResult::NeedsJumping) + Ok(EmulateItemResult::NeedsReturn) } } diff --git a/src/tools/miri/src/shims/x86/sse3.rs b/src/tools/miri/src/shims/x86/sse3.rs index 8de339eb9e58..fa1dd07e90b4 100644 --- a/src/tools/miri/src/shims/x86/sse3.rs +++ b/src/tools/miri/src/shims/x86/sse3.rs @@ -51,6 +51,6 @@ pub(super) trait EvalContextExt<'mir, 'tcx: 'mir>: } _ => return Ok(EmulateItemResult::NotSupported), } - Ok(EmulateItemResult::NeedsJumping) + Ok(EmulateItemResult::NeedsReturn) } } diff --git a/src/tools/miri/src/shims/x86/sse41.rs b/src/tools/miri/src/shims/x86/sse41.rs index 011a7a16c68b..cd82108678da 100644 --- a/src/tools/miri/src/shims/x86/sse41.rs +++ b/src/tools/miri/src/shims/x86/sse41.rs @@ -176,6 +176,6 @@ pub(super) trait EvalContextExt<'mir, 'tcx: 'mir>: } _ => return Ok(EmulateItemResult::NotSupported), } - Ok(EmulateItemResult::NeedsJumping) + Ok(EmulateItemResult::NeedsReturn) } } diff --git a/src/tools/miri/src/shims/x86/ssse3.rs b/src/tools/miri/src/shims/x86/ssse3.rs index d30de4300886..ec625da68c27 100644 --- a/src/tools/miri/src/shims/x86/ssse3.rs +++ b/src/tools/miri/src/shims/x86/ssse3.rs @@ -137,6 +137,6 @@ pub(super) trait EvalContextExt<'mir, 'tcx: 'mir>: } _ => return Ok(EmulateItemResult::NotSupported), } - Ok(EmulateItemResult::NeedsJumping) + Ok(EmulateItemResult::NeedsReturn) } } diff --git a/src/tools/miri/tests/pass/panic/unwind_dwarf.rs b/src/tools/miri/tests/pass/panic/unwind_dwarf.rs index aa5ec05fbc06..f690be471ba7 100644 --- a/src/tools/miri/tests/pass/panic/unwind_dwarf.rs +++ b/src/tools/miri/tests/pass/panic/unwind_dwarf.rs @@ -1,4 +1,4 @@ -//@only-target-linux +//@ignore-target-windows: Windows uses a different unwinding mechanism #![feature(core_intrinsics, panic_unwind, rustc_attrs)] #![allow(internal_features)] @@ -16,28 +16,28 @@ struct Exception { } pub fn panic(data: Box) -> u32 { - let exception = Box::new(Exception { - _uwe: uw::_Unwind_Exception { - exception_class: rust_exception_class(), - exception_cleanup, - private: [core::ptr::null(); uw::unwinder_private_data_size], - }, - cause: data, - }); - let exception_param = Box::into_raw(exception) as *mut uw::_Unwind_Exception; - return unsafe { uw::_Unwind_RaiseException(exception_param) as u32 }; - extern "C" fn exception_cleanup( _unwind_code: uw::_Unwind_Reason_Code, _exception: *mut uw::_Unwind_Exception, ) { std::process::abort(); } + + let exception = Box::new(Exception { + _uwe: uw::_Unwind_Exception { + exception_class: miri_exception_class(), + exception_cleanup: Some(exception_cleanup), + private: [core::ptr::null(); uw::unwinder_private_data_size], + }, + cause: data, + }); + let exception_param = Box::into_raw(exception) as *mut uw::_Unwind_Exception; + return unsafe { uw::_Unwind_RaiseException(exception_param) as u32 }; } pub unsafe fn rust_panic_cleanup(ptr: *mut u8) -> Box { let exception = ptr as *mut uw::_Unwind_Exception; - if (*exception).exception_class != rust_exception_class() { + if (*exception).exception_class != miri_exception_class() { std::process::abort(); } @@ -47,9 +47,10 @@ pub unsafe fn rust_panic_cleanup(ptr: *mut u8) -> Box { exception.cause } -fn rust_exception_class() -> uw::_Unwind_Exception_Class { - // M O Z \0 R U S T -- vendor, language - 0x4d4f5a_00_52555354 +fn miri_exception_class() -> uw::_Unwind_Exception_Class { + // M O Z \0 M I R I -- vendor, language + // (Miri's own exception class is just used for testing) + 0x4d4f5a_00_4d495249 } pub fn catch_unwind R>(f: F) -> Result> { @@ -63,7 +64,7 @@ pub fn catch_unwind R>(f: F) -> Result> let data_ptr = ptr::addr_of_mut!(data) as *mut u8; unsafe { - return if std::intrinsics::r#try(do_call::, data_ptr, do_catch::) == 0 { + return if std::intrinsics::catch_unwind(do_call::, data_ptr, do_catch::) == 0 { Ok(data.r.take().unwrap()) } else { Err(data.p.take().unwrap()) From 0b6baf6130d2fa67c2f81a80cf53a5b337845181 Mon Sep 17 00:00:00 2001 From: Martijn Date: Sat, 11 May 2024 00:56:41 +0200 Subject: [PATCH 0246/1716] Add example to IsTerminal::is_terminal --- library/std/src/io/stdio.rs | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/library/std/src/io/stdio.rs b/library/std/src/io/stdio.rs index 07fa9259e0b7..c8968b74b12d 100644 --- a/library/std/src/io/stdio.rs +++ b/library/std/src/io/stdio.rs @@ -1161,7 +1161,41 @@ pub trait IsTerminal: crate::sealed::Sealed { /// starting with `msys-` or `cygwin-` and ending in `-pty` will be considered terminals. /// Note that this [may change in the future][changes]. /// + /// # Examples + /// + /// An example of a type for which `IsTerminal` is implemented is [`Stdin`]: + /// + /// ```no_run + /// use std::io::{self, IsTerminal, Write}; + /// + /// fn main() -> io::Result<()> { + /// let stdin = io::stdin(); + /// + /// // Indicate that the user is prompted for input, if this is a terminal. + /// if stdin.is_terminal() { + /// print!("> "); + /// io::stdout().flush()?; + /// } + /// + /// let mut name = String::new(); + /// let _ = stdin.read_line(&mut name)?; + /// + /// println!("Hello {}", name.trim_end()); + /// + /// Ok(()) + /// } + /// ``` + /// + /// The example can be run in two ways: + /// + /// - If you run this example by piping some text to it, e.g. `echo "foo" | path/to/executable` + /// it will print: `Hello foo`. + /// - If you instead run the example interactively by running the executable directly, it will + /// panic with the message "Expected input to be piped to the process". + /// + /// /// [changes]: io#platform-specific-behavior + /// [`Stdin`]: crate::io::Stdin #[stable(feature = "is_terminal", since = "1.70.0")] fn is_terminal(&self) -> bool; } From 7cb84fbf141e6c8b11a625cda4d6d71b19d3ef23 Mon Sep 17 00:00:00 2001 From: Urgau Date: Thu, 16 May 2024 22:29:55 +0200 Subject: [PATCH 0247/1716] Prefer suggesting string-literal for Cargo `check-cfg` lint config --- .../src/context/diagnostics/check_cfg.rs | 47 ++++++++++++------- tests/ui/check-cfg/cargo-feature.none.stderr | 4 +- tests/ui/check-cfg/cargo-feature.some.stderr | 4 +- tests/ui/check-cfg/diagnotics.cargo.stderr | 6 +-- 4 files changed, 36 insertions(+), 25 deletions(-) diff --git a/compiler/rustc_lint/src/context/diagnostics/check_cfg.rs b/compiler/rustc_lint/src/context/diagnostics/check_cfg.rs index 72cb1dac9388..a605f83d102e 100644 --- a/compiler/rustc_lint/src/context/diagnostics/check_cfg.rs +++ b/compiler/rustc_lint/src/context/diagnostics/check_cfg.rs @@ -41,6 +41,25 @@ fn check_cfg_expected_note( note } +enum EscapeQuotes { + Yes, + No, +} + +fn to_check_cfg_arg(name: Symbol, value: Option, quotes: EscapeQuotes) -> String { + if let Some(value) = value { + let values = match quotes { + EscapeQuotes::Yes => { + format!("\\\"{}\\\"", str::escape_debug(value.as_str()).to_string()) + } + EscapeQuotes::No => format!("\"{value}\""), + }; + format!("cfg({name}, values({values}))") + } else { + format!("cfg({name})") + } +} + pub(super) fn unexpected_cfg_name( sess: &Session, diag: &mut Diag<'_, ()>, @@ -155,21 +174,17 @@ pub(super) fn unexpected_cfg_name( } } - let inst = if let Some((value, _value_span)) = value { - let pre = if is_from_cargo { "\\" } else { "" }; - format!("cfg({name}, values({pre}\"{value}{pre}\"))") - } else { - format!("cfg({name})") - }; + let inst = |escape_quotes| to_check_cfg_arg(name, value.map(|(v, _s)| v), escape_quotes); if is_from_cargo { if !is_feature_cfg { diag.help(format!("consider using a Cargo feature instead")); - diag.help(format!("or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:\n [lints.rust]\n unexpected_cfgs = {{ level = \"warn\", check-cfg = [\"{inst}\"] }}")); - diag.help(format!("or consider adding `println!(\"cargo::rustc-check-cfg={inst}\");` to the top of the `build.rs`")); + diag.help(format!("or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:\n [lints.rust]\n unexpected_cfgs = {{ level = \"warn\", check-cfg = ['{}'] }}", inst(EscapeQuotes::No))); + diag.help(format!("or consider adding `println!(\"cargo::rustc-check-cfg={}\");` to the top of the `build.rs`", inst(EscapeQuotes::Yes))); } } else { - diag.help(format!("to expect this configuration use `--check-cfg={inst}`")); + let inst = inst(EscapeQuotes::No); + diag.help(format!("to expect this configuration use `--check-cfg={inst}`",)); } diag.note("see for more information about checking conditional configuration"); } @@ -252,12 +267,7 @@ pub(super) fn unexpected_cfg_value( // do it if they want, but should not encourage them. let is_cfg_a_well_know_name = sess.psess.check_config.well_known_names.contains(&name); - let inst = if let Some((value, _value_span)) = value { - let pre = if is_from_cargo { "\\" } else { "" }; - format!("cfg({name}, values({pre}\"{value}{pre}\"))") - } else { - format!("cfg({name})") - }; + let inst = |escape_quotes| to_check_cfg_arg(name, value.map(|(v, _s)| v), escape_quotes); if is_from_cargo { if name == sym::feature { @@ -268,12 +278,13 @@ pub(super) fn unexpected_cfg_value( } } else if !is_cfg_a_well_know_name { diag.help(format!("consider using a Cargo feature instead")); - diag.help(format!("or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:\n [lints.rust]\n unexpected_cfgs = {{ level = \"warn\", check-cfg = [\"{inst}\"] }}")); - diag.help(format!("or consider adding `println!(\"cargo::rustc-check-cfg={inst}\");` to the top of the `build.rs`")); + diag.help(format!("or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:\n [lints.rust]\n unexpected_cfgs = {{ level = \"warn\", check-cfg = ['{}'] }}", inst(EscapeQuotes::No))); + diag.help(format!("or consider adding `println!(\"cargo::rustc-check-cfg={}\");` to the top of the `build.rs`", inst(EscapeQuotes::Yes))); } } else { if !is_cfg_a_well_know_name { - diag.help(format!("to expect this configuration use `--check-cfg={inst}`")); + let inst = inst(EscapeQuotes::No); + diag.help(format!("to expect this configuration use `--check-cfg={inst}`",)); } } diag.note("see for more information about checking conditional configuration"); diff --git a/tests/ui/check-cfg/cargo-feature.none.stderr b/tests/ui/check-cfg/cargo-feature.none.stderr index 8523274d3297..79a1a3b1c203 100644 --- a/tests/ui/check-cfg/cargo-feature.none.stderr +++ b/tests/ui/check-cfg/cargo-feature.none.stderr @@ -29,7 +29,7 @@ LL | #[cfg(tokio_unstable)] = help: consider using a Cargo feature instead = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [lints.rust] - unexpected_cfgs = { level = "warn", check-cfg = ["cfg(tokio_unstable)"] } + unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tokio_unstable)'] } = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tokio_unstable)");` to the top of the `build.rs` = note: see for more information about checking conditional configuration @@ -42,7 +42,7 @@ LL | #[cfg(CONFIG_NVME = "m")] = help: consider using a Cargo feature instead = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [lints.rust] - unexpected_cfgs = { level = "warn", check-cfg = ["cfg(CONFIG_NVME, values(\"m\"))"] } + unexpected_cfgs = { level = "warn", check-cfg = ['cfg(CONFIG_NVME, values("m"))'] } = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(CONFIG_NVME, values(\"m\"))");` to the top of the `build.rs` = note: see for more information about checking conditional configuration diff --git a/tests/ui/check-cfg/cargo-feature.some.stderr b/tests/ui/check-cfg/cargo-feature.some.stderr index 67aab27fc6e2..01d69e947b23 100644 --- a/tests/ui/check-cfg/cargo-feature.some.stderr +++ b/tests/ui/check-cfg/cargo-feature.some.stderr @@ -29,7 +29,7 @@ LL | #[cfg(tokio_unstable)] = help: consider using a Cargo feature instead = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [lints.rust] - unexpected_cfgs = { level = "warn", check-cfg = ["cfg(tokio_unstable)"] } + unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tokio_unstable)'] } = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tokio_unstable)");` to the top of the `build.rs` = note: see for more information about checking conditional configuration @@ -45,7 +45,7 @@ LL | #[cfg(CONFIG_NVME = "m")] = help: consider using a Cargo feature instead = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [lints.rust] - unexpected_cfgs = { level = "warn", check-cfg = ["cfg(CONFIG_NVME, values(\"m\"))"] } + unexpected_cfgs = { level = "warn", check-cfg = ['cfg(CONFIG_NVME, values("m"))'] } = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(CONFIG_NVME, values(\"m\"))");` to the top of the `build.rs` = note: see for more information about checking conditional configuration diff --git a/tests/ui/check-cfg/diagnotics.cargo.stderr b/tests/ui/check-cfg/diagnotics.cargo.stderr index 79a4a30d091b..bfd7bc0e5cde 100644 --- a/tests/ui/check-cfg/diagnotics.cargo.stderr +++ b/tests/ui/check-cfg/diagnotics.cargo.stderr @@ -42,7 +42,7 @@ LL | #[cfg(no_value)] = help: consider using a Cargo feature instead = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [lints.rust] - unexpected_cfgs = { level = "warn", check-cfg = ["cfg(no_value)"] } + unexpected_cfgs = { level = "warn", check-cfg = ['cfg(no_value)'] } = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(no_value)");` to the top of the `build.rs` = note: see for more information about checking conditional configuration @@ -55,7 +55,7 @@ LL | #[cfg(no_value = "foo")] = help: consider using a Cargo feature instead = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [lints.rust] - unexpected_cfgs = { level = "warn", check-cfg = ["cfg(no_value, values(\"foo\"))"] } + unexpected_cfgs = { level = "warn", check-cfg = ['cfg(no_value, values("foo"))'] } = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(no_value, values(\"foo\"))");` to the top of the `build.rs` = note: see for more information about checking conditional configuration help: there is a config with a similar name and no value @@ -75,7 +75,7 @@ LL | #[cfg(no_values = "bar")] = help: consider using a Cargo feature instead = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [lints.rust] - unexpected_cfgs = { level = "warn", check-cfg = ["cfg(no_values, values(\"bar\"))"] } + unexpected_cfgs = { level = "warn", check-cfg = ['cfg(no_values, values("bar"))'] } = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(no_values, values(\"bar\"))");` to the top of the `build.rs` = note: see for more information about checking conditional configuration From b5ec9bb1b61708539b64719620a574aa1d2d23f5 Mon Sep 17 00:00:00 2001 From: Urgau Date: Thu, 16 May 2024 21:40:01 +0200 Subject: [PATCH 0248/1716] Add Cargo specific doc regarding his interaction with `--check-cfg` --- src/doc/rustc/src/SUMMARY.md | 3 +- .../rustc/src/check-cfg/cargo-specifics.md | 73 +++++++++++++++++++ 2 files changed, 75 insertions(+), 1 deletion(-) create mode 100644 src/doc/rustc/src/check-cfg/cargo-specifics.md diff --git a/src/doc/rustc/src/SUMMARY.md b/src/doc/rustc/src/SUMMARY.md index c7e3293e35ad..cfe4dfeb59c9 100644 --- a/src/doc/rustc/src/SUMMARY.md +++ b/src/doc/rustc/src/SUMMARY.md @@ -84,7 +84,8 @@ - [Profile-guided Optimization](profile-guided-optimization.md) - [Instrumentation-based Code Coverage](instrument-coverage.md) - [Linker-plugin-based LTO](linker-plugin-lto.md) -- [Checking conditional configurations](check-cfg.md) +- [Checking Conditional Configurations](check-cfg.md) + - [Cargo Specifics](check-cfg/cargo-specifics.md) - [Exploit Mitigations](exploit-mitigations.md) - [Symbol Mangling](symbol-mangling/index.md) - [v0 Symbol Format](symbol-mangling/v0.md) diff --git a/src/doc/rustc/src/check-cfg/cargo-specifics.md b/src/doc/rustc/src/check-cfg/cargo-specifics.md new file mode 100644 index 000000000000..bfa601619261 --- /dev/null +++ b/src/doc/rustc/src/check-cfg/cargo-specifics.md @@ -0,0 +1,73 @@ +# Cargo Specifics - Checking Conditional Configurations + + + +This document is intented to summarize the principal ways Cargo interacts with +the `unexpected_cfgs` lint and `--check-cfg` flag. It is not intended to provide +individual details, for that refer to the [`--check-cfg` documentation](../check-cfg.md) and +to the [Cargo book](../../cargo/index.html). + +## Cargo feature + +*See the [`[features]` section in the Cargo book][cargo-features] for more details.* + +With the `[features]` table Cargo provides a mechanism to express conditional compilation and +optional dependencies. Cargo *automatically* declares corresponding cfgs for every feature as +expected. + +`Cargo.toml`: +```toml +[features] +serde = ["dep:serde"] +my_feature = [] +``` + +[cargo-features]: ../../cargo/reference/features.html + +## `check-cfg` in `[lints.rust]` table + + + +*See the [`[lints]` section in the Cargo book][cargo-lints-table] for more details.* + +When using a staticlly known custom config (ie. not dependant on a build-script), Cargo provides +the custom lint config `check-cfg` under `[lints.rust.unexpected_cfgs]`. + +It can be used to set custom static [`--check-cfg`](../check-cfg.md) args, it is mainly useful when +the list of expected cfgs is known is advance. + +`Cargo.toml`: +```toml +[lints.rust] +unexpected_cfgs = { level = "warn", check-cfg = ['cfg(has_foo)'] } +``` + +[cargo-lints-table]: ../../cargo/reference/manifest.html#the-lints-section + +## `cargo::rustc-check-cfg` for `build.rs`/build-script + +*See the [`cargo::rustc-check-cfg` section in the Cargo book][cargo-rustc-check-cfg] for more details.* + +When setting a custom config with [`cargo::rustc-cfg`][cargo-rustc-cfg], Cargo provides the +corollary instruction: [`cargo::rustc-check-cfg`][cargo-rustc-check-cfg] to expect custom configs. + +`build.rs`: +```rust,ignore (cannot-test-this-because-has_foo-isnt-declared) +fn main() { + println!("cargo::rustc-check-cfg=cfg(has_foo)"); + // ^^^^^^^^^^^^^^^^^^^^^^ new with Cargo 1.80 + if has_foo() { + println!("cargo::rustc-cfg=has_foo"); + } +} +``` + +[cargo-rustc-cfg]: ../../cargo/reference/build-scripts.html#rustc-cfg +[cargo-rustc-check-cfg]: ../../cargo/reference/build-scripts.html#rustc-check-cfg From 3b47f4c60c736ee965f2e4d4296bd27d1d69effb Mon Sep 17 00:00:00 2001 From: Urgau Date: Fri, 17 May 2024 18:51:58 +0200 Subject: [PATCH 0249/1716] Refer to the Cargo specific doc in the check-cfg diagnostics --- .../rustc_lint/src/context/diagnostics/check_cfg.rs | 6 ++++-- tests/ui/check-cfg/cargo-feature.none.stderr | 8 ++++---- tests/ui/check-cfg/cargo-feature.some.stderr | 8 ++++---- tests/ui/check-cfg/diagnotics.cargo.stderr | 12 ++++++------ 4 files changed, 18 insertions(+), 16 deletions(-) diff --git a/compiler/rustc_lint/src/context/diagnostics/check_cfg.rs b/compiler/rustc_lint/src/context/diagnostics/check_cfg.rs index a605f83d102e..6f5bf4e5a1d7 100644 --- a/compiler/rustc_lint/src/context/diagnostics/check_cfg.rs +++ b/compiler/rustc_lint/src/context/diagnostics/check_cfg.rs @@ -182,11 +182,12 @@ pub(super) fn unexpected_cfg_name( diag.help(format!("or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:\n [lints.rust]\n unexpected_cfgs = {{ level = \"warn\", check-cfg = ['{}'] }}", inst(EscapeQuotes::No))); diag.help(format!("or consider adding `println!(\"cargo::rustc-check-cfg={}\");` to the top of the `build.rs`", inst(EscapeQuotes::Yes))); } + diag.note("see for more information about checking conditional configuration"); } else { let inst = inst(EscapeQuotes::No); diag.help(format!("to expect this configuration use `--check-cfg={inst}`",)); + diag.note("see for more information about checking conditional configuration"); } - diag.note("see for more information about checking conditional configuration"); } pub(super) fn unexpected_cfg_value( @@ -281,11 +282,12 @@ pub(super) fn unexpected_cfg_value( diag.help(format!("or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:\n [lints.rust]\n unexpected_cfgs = {{ level = \"warn\", check-cfg = ['{}'] }}", inst(EscapeQuotes::No))); diag.help(format!("or consider adding `println!(\"cargo::rustc-check-cfg={}\");` to the top of the `build.rs`", inst(EscapeQuotes::Yes))); } + diag.note("see for more information about checking conditional configuration"); } else { if !is_cfg_a_well_know_name { let inst = inst(EscapeQuotes::No); diag.help(format!("to expect this configuration use `--check-cfg={inst}`",)); } + diag.note("see for more information about checking conditional configuration"); } - diag.note("see for more information about checking conditional configuration"); } diff --git a/tests/ui/check-cfg/cargo-feature.none.stderr b/tests/ui/check-cfg/cargo-feature.none.stderr index 79a1a3b1c203..a940eda46898 100644 --- a/tests/ui/check-cfg/cargo-feature.none.stderr +++ b/tests/ui/check-cfg/cargo-feature.none.stderr @@ -6,7 +6,7 @@ LL | #[cfg(feature = "serde")] | = note: no expected values for `feature` = help: consider adding `serde` as a feature in `Cargo.toml` - = note: see for more information about checking conditional configuration + = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default warning: unexpected `cfg` condition value: (none) @@ -17,7 +17,7 @@ LL | #[cfg(feature)] | = note: no expected values for `feature` = help: consider defining some features in `Cargo.toml` - = note: see for more information about checking conditional configuration + = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition name: `tokio_unstable` --> $DIR/cargo-feature.rs:22:7 @@ -31,7 +31,7 @@ LL | #[cfg(tokio_unstable)] [lints.rust] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tokio_unstable)'] } = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tokio_unstable)");` to the top of the `build.rs` - = note: see for more information about checking conditional configuration + = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition name: `CONFIG_NVME` --> $DIR/cargo-feature.rs:26:7 @@ -44,7 +44,7 @@ LL | #[cfg(CONFIG_NVME = "m")] [lints.rust] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(CONFIG_NVME, values("m"))'] } = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(CONFIG_NVME, values(\"m\"))");` to the top of the `build.rs` - = note: see for more information about checking conditional configuration + = note: see for more information about checking conditional configuration warning: 4 warnings emitted diff --git a/tests/ui/check-cfg/cargo-feature.some.stderr b/tests/ui/check-cfg/cargo-feature.some.stderr index 01d69e947b23..70d3182eec8c 100644 --- a/tests/ui/check-cfg/cargo-feature.some.stderr +++ b/tests/ui/check-cfg/cargo-feature.some.stderr @@ -6,7 +6,7 @@ LL | #[cfg(feature = "serde")] | = note: expected values for `feature` are: `bitcode` = help: consider adding `serde` as a feature in `Cargo.toml` - = note: see for more information about checking conditional configuration + = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default warning: unexpected `cfg` condition value: (none) @@ -17,7 +17,7 @@ LL | #[cfg(feature)] | = note: expected values for `feature` are: `bitcode` = help: consider defining some features in `Cargo.toml` - = note: see for more information about checking conditional configuration + = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition name: `tokio_unstable` --> $DIR/cargo-feature.rs:22:7 @@ -31,7 +31,7 @@ LL | #[cfg(tokio_unstable)] [lints.rust] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tokio_unstable)'] } = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tokio_unstable)");` to the top of the `build.rs` - = note: see for more information about checking conditional configuration + = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `m` --> $DIR/cargo-feature.rs:26:7 @@ -47,7 +47,7 @@ LL | #[cfg(CONFIG_NVME = "m")] [lints.rust] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(CONFIG_NVME, values("m"))'] } = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(CONFIG_NVME, values(\"m\"))");` to the top of the `build.rs` - = note: see for more information about checking conditional configuration + = note: see for more information about checking conditional configuration warning: 4 warnings emitted diff --git a/tests/ui/check-cfg/diagnotics.cargo.stderr b/tests/ui/check-cfg/diagnotics.cargo.stderr index bfd7bc0e5cde..24c17b32ad6a 100644 --- a/tests/ui/check-cfg/diagnotics.cargo.stderr +++ b/tests/ui/check-cfg/diagnotics.cargo.stderr @@ -5,7 +5,7 @@ LL | #[cfg(featur)] | ^^^^^^ help: there is a config with a similar name: `feature` | = help: expected values for `feature` are: `foo` - = note: see for more information about checking conditional configuration + = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default warning: unexpected `cfg` condition name: `featur` @@ -14,7 +14,7 @@ warning: unexpected `cfg` condition name: `featur` LL | #[cfg(featur = "foo")] | ^^^^^^^^^^^^^^ | - = note: see for more information about checking conditional configuration + = note: see for more information about checking conditional configuration help: there is a config with a similar name and value | LL | #[cfg(feature = "foo")] @@ -27,7 +27,7 @@ LL | #[cfg(featur = "fo")] | ^^^^^^^^^^^^^ | = help: expected values for `feature` are: `foo` - = note: see for more information about checking conditional configuration + = note: see for more information about checking conditional configuration help: there is a config with a similar name and different values | LL | #[cfg(feature = "foo")] @@ -44,7 +44,7 @@ LL | #[cfg(no_value)] [lints.rust] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(no_value)'] } = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(no_value)");` to the top of the `build.rs` - = note: see for more information about checking conditional configuration + = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition name: `no_value` --> $DIR/diagnotics.rs:27:7 @@ -57,7 +57,7 @@ LL | #[cfg(no_value = "foo")] [lints.rust] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(no_value, values("foo"))'] } = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(no_value, values(\"foo\"))");` to the top of the `build.rs` - = note: see for more information about checking conditional configuration + = note: see for more information about checking conditional configuration help: there is a config with a similar name and no value | LL | #[cfg(no_values)] @@ -77,7 +77,7 @@ LL | #[cfg(no_values = "bar")] [lints.rust] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(no_values, values("bar"))'] } = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(no_values, values(\"bar\"))");` to the top of the `build.rs` - = note: see for more information about checking conditional configuration + = note: see for more information about checking conditional configuration warning: 6 warnings emitted From bc8e034c39ae6a5e07bd9175e60e2649bc8d1374 Mon Sep 17 00:00:00 2001 From: Urgau Date: Sat, 18 May 2024 00:35:30 +0200 Subject: [PATCH 0250/1716] Link to the check-cfg doc section in the `unexpected_cfgs` lint doc --- compiler/rustc_lint_defs/src/builtin.rs | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs index 536945457724..cce039fc2f66 100644 --- a/compiler/rustc_lint_defs/src/builtin.rs +++ b/compiler/rustc_lint_defs/src/builtin.rs @@ -3339,11 +3339,14 @@ declare_lint! { /// /// ### Explanation /// - /// This lint is only active when `--check-cfg` arguments are being passed - /// to the compiler and triggers whenever an unexpected condition name or value is used. + /// This lint is only active when [`--check-cfg`][check-cfg] arguments are being + /// passed to the compiler and triggers whenever an unexpected condition name or value is + /// used. /// - /// The known condition include names or values passed in `--check-cfg`, and some - /// well-knows names and values built into the compiler. + /// See the [Checking Conditional Configurations][check-cfg] section for more + /// details. + /// + /// [check-cfg]: https://doc.rust-lang.org/nightly/rustc/check-cfg.html pub UNEXPECTED_CFGS, Warn, "detects unexpected names and values in `#[cfg]` conditions", From 6fae171e54adb0985a6ee131d4b89012856e7cd9 Mon Sep 17 00:00:00 2001 From: Zachary S Date: Sun, 19 May 2024 13:21:53 -0500 Subject: [PATCH 0251/1716] fmt --- library/alloc/src/sync.rs | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/library/alloc/src/sync.rs b/library/alloc/src/sync.rs index 89dbf9f5cdd4..62c622890b5a 100644 --- a/library/alloc/src/sync.rs +++ b/library/alloc/src/sync.rs @@ -2476,7 +2476,6 @@ unsafe impl<#[may_dangle] T: ?Sized, A: Allocator> Drop for Arc { Likely decrement_strong_count or from_raw were called too many times.", ); - unsafe { self.drop_slow(); } @@ -3339,7 +3338,6 @@ static STATIC_INNER_SLICE: SliceArcInnerForStatic = SliceArcInnerForStatic { }, }; - #[cfg(not(no_global_oom_handling))] #[stable(feature = "more_rc_default_impls", since = "CURRENT_RUSTC_VERSION")] impl Default for Arc { @@ -3365,9 +3363,11 @@ impl Default for Arc { fn default() -> Self { use core::ffi::CStr; let inner: NonNull> = NonNull::from(&STATIC_INNER_SLICE.inner); - let inner: NonNull> = NonNull::new(inner.as_ptr() as *mut ArcInner).unwrap(); + let inner: NonNull> = + NonNull::new(inner.as_ptr() as *mut ArcInner).unwrap(); // `this` semantically is the Arc "owned" by the static, so make sure not to drop it. - let this: mem::ManuallyDrop> = unsafe { mem::ManuallyDrop::new(Arc::from_inner(inner)) }; + let this: mem::ManuallyDrop> = + unsafe { mem::ManuallyDrop::new(Arc::from_inner(inner)) }; (*this).clone() } } @@ -3388,7 +3388,8 @@ impl Default for Arc<[T]> { let inner: NonNull = NonNull::from(&STATIC_INNER_SLICE); let inner: NonNull> = inner.cast(); // `this` semantically is the Arc "owned" by the static, so make sure not to drop it. - let this: mem::ManuallyDrop> = unsafe { mem::ManuallyDrop::new(Arc::from_inner(inner)) }; + let this: mem::ManuallyDrop> = + unsafe { mem::ManuallyDrop::new(Arc::from_inner(inner)) }; return (*this).clone(); } From 58f8ed122ab649c87c6d4c5585d9c8476d87d338 Mon Sep 17 00:00:00 2001 From: Zachary S Date: Sun, 19 May 2024 13:22:34 -0500 Subject: [PATCH 0252/1716] cfg-out unused code under no_global_oom_handling --- library/alloc/src/sync.rs | 1 + 1 file changed, 1 insertion(+) diff --git a/library/alloc/src/sync.rs b/library/alloc/src/sync.rs index 62c622890b5a..2b338a1d6475 100644 --- a/library/alloc/src/sync.rs +++ b/library/alloc/src/sync.rs @@ -3328,6 +3328,7 @@ impl Default for Arc { struct SliceArcInnerForStatic { inner: ArcInner<[u8; 1]>, } +#[cfg(not(no_global_oom_handling))] const MAX_STATIC_INNER_SLICE_ALIGNMENT: usize = 16; static STATIC_INNER_SLICE: SliceArcInnerForStatic = SliceArcInnerForStatic { From 3299823d62024d2f665f762e33cf1bced1922521 Mon Sep 17 00:00:00 2001 From: Zachary S Date: Sun, 19 May 2024 13:29:45 -0500 Subject: [PATCH 0253/1716] Fix typo in assert message --- library/alloc/src/sync.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/library/alloc/src/sync.rs b/library/alloc/src/sync.rs index 2b338a1d6475..8a374dd30f85 100644 --- a/library/alloc/src/sync.rs +++ b/library/alloc/src/sync.rs @@ -2472,7 +2472,7 @@ unsafe impl<#[may_dangle] T: ?Sized, A: Allocator> Drop for Arc { // used by Default::default. debug_assert!( !ptr::addr_eq(self.ptr.as_ptr(), &STATIC_INNER_SLICE.inner), - "Arcs backed by a static should never be reach a strong count of 0. \ + "Arcs backed by a static should never reach a strong count of 0. \ Likely decrement_strong_count or from_raw were called too many times.", ); From e93268eee27a97d1117a887eb233a3d3041d01b0 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sun, 19 May 2024 20:31:08 +0200 Subject: [PATCH 0254/1716] update lockfile --- Cargo.lock | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Cargo.lock b/Cargo.lock index 186892af21c0..a9283d03cb32 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -3426,9 +3426,9 @@ dependencies = [ [[package]] name = "rustc-build-sysroot" -version = "0.4.7" +version = "0.5.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ab1dbbd1bdf65fdac44c885f6cca147ba179108ce284b60a08ccc04b1f1dbac0" +checksum = "fa3ca63cc537c1cb69e4c2c0afc5fda2ccd36ac84c97d5a4ae05e69b1c834afb" dependencies = [ "anyhow", "rustc_version", From 3c2d9c2dbe0fd764b4af473a75fb4f44616f6b4c Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sun, 19 May 2024 20:40:46 +0200 Subject: [PATCH 0255/1716] fix typo Co-authored-by: Jubilee <46493976+workingjubilee@users.noreply.github.com> --- library/std/src/sys/pal/unix/alloc.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/library/std/src/sys/pal/unix/alloc.rs b/library/std/src/sys/pal/unix/alloc.rs index 242a054199f4..eb3a57c212b4 100644 --- a/library/std/src/sys/pal/unix/alloc.rs +++ b/library/std/src/sys/pal/unix/alloc.rs @@ -73,8 +73,8 @@ cfg_if::cfg_if! { #[inline] unsafe fn aligned_malloc(layout: &Layout) -> *mut u8 { let mut out = ptr::null_mut(); - // We prefer posix_memalign over aligned_malloc since it is more widely available, and - // since with aligned_malloc, implementations are making almost arbitrary choices for + // We prefer posix_memalign over aligned_alloc since it is more widely available, and + // since with aligned_alloc, implementations are making almost arbitrary choices for // which alignments are "supported", making it hard to use. For instance, some // implementations require the size to be a multiple of the alignment (wasi emmalloc), // while others require the alignment to be at least the pointer size (Illumos, macOS). From 9d311b5c2b29936349acdc9dfddafc8ea919b51e Mon Sep 17 00:00:00 2001 From: schvv31n Date: Sun, 19 May 2024 21:41:13 +0100 Subject: [PATCH 0256/1716] initial fix --- .../iter_on_single_or_empty_collections.rs | 43 ++++++++++++++++++- tests/ui/iter_on_empty_collections.fixed | 13 ++++++ tests/ui/iter_on_empty_collections.rs | 13 ++++++ tests/ui/iter_on_empty_collections.stderr | 8 +++- 4 files changed, 75 insertions(+), 2 deletions(-) diff --git a/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs b/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs index 6c9bdcff8262..0e929cfe798f 100644 --- a/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs +++ b/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs @@ -1,8 +1,12 @@ +use std::iter::once; + use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::source::snippet; use clippy_utils::{get_expr_use_or_unification_node, is_res_lang_ctor, path_res, std_or_core}; use rustc_errors::Applicability; +use rustc_hir::def_id::DefId; +use rustc_hir::hir_id::HirId; use rustc_hir::LangItem::{OptionNone, OptionSome}; use rustc_hir::{Expr, ExprKind, Node}; use rustc_lint::LateContext; @@ -25,7 +29,25 @@ impl IterType { } } -pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, method_name: &str, recv: &Expr<'_>) { +fn is_arg_ty_unified_in_fn<'tcx>( + cx: &LateContext<'tcx>, + fn_id: DefId, + arg_id: HirId, + args: impl Iterator> + Clone, +) -> bool { + let fn_sig = cx.tcx.fn_sig(fn_id).instantiate_identity(); + let arg_id_in_args = args.clone().position(|e| e.hir_id == arg_id).unwrap(); + let arg_ty_in_args = fn_sig.input(arg_id_in_args); + + cx.tcx.predicates_of(fn_id).predicates.iter().any(|(clause, _)| { + clause + .as_projection_clause() + .and_then(|p| p.map_bound(|p| p.term.ty()).transpose()) + .is_some_and(|ty| ty == arg_ty_in_args) + }) +} + +pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>, method_name: &str, recv: &'tcx Expr<'tcx>) { let item = match recv.kind { ExprKind::Array([]) => None, ExprKind::Array([e]) => Some(e), @@ -43,6 +65,25 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, method_name: &str, re let is_unified = match get_expr_use_or_unification_node(cx.tcx, expr) { Some((Node::Expr(parent), child_id)) => match parent.kind { ExprKind::If(e, _, _) | ExprKind::Match(e, _, _) if e.hir_id == child_id => false, + ExprKind::Call( + Expr { + kind: ExprKind::Path(path), + hir_id, + .. + }, + args, + ) => is_arg_ty_unified_in_fn( + cx, + cx.typeck_results().qpath_res(path, *hir_id).def_id(), + expr.hir_id, + args.iter(), + ), + ExprKind::MethodCall(_name, recv, args, _span) => is_arg_ty_unified_in_fn( + cx, + cx.typeck_results().type_dependent_def_id(parent.hir_id).unwrap(), + expr.hir_id, + once(recv).chain(args.iter()), + ), ExprKind::If(_, _, _) | ExprKind::Match(_, _, _) | ExprKind::Closure(_) diff --git a/tests/ui/iter_on_empty_collections.fixed b/tests/ui/iter_on_empty_collections.fixed index 794629f240eb..871cc18d7c2d 100644 --- a/tests/ui/iter_on_empty_collections.fixed +++ b/tests/ui/iter_on_empty_collections.fixed @@ -20,6 +20,19 @@ fn array() { }; let _ = if false { ["test"].iter() } else { [].iter() }; + + let smth = Some(vec![1, 2, 3]); + + // Don't trigger when the empty collection iter is relied upon for its concrete type + // But do trigger if it is just an iterator, despite being an argument to a method + for i in smth.as_ref().map_or([].iter(), |s| s.iter()).chain(std::iter::empty()) { + println!("{i}"); + } + + // Same as above, but for regular function calls + for i in Option::map_or(smth.as_ref(), [].iter(), |s| s.iter()) { + println!("{i}"); + } } macro_rules! in_macros { diff --git a/tests/ui/iter_on_empty_collections.rs b/tests/ui/iter_on_empty_collections.rs index a6461a702eb2..7e3df49eefcd 100644 --- a/tests/ui/iter_on_empty_collections.rs +++ b/tests/ui/iter_on_empty_collections.rs @@ -20,6 +20,19 @@ fn array() { }; let _ = if false { ["test"].iter() } else { [].iter() }; + + let smth = Some(vec![1, 2, 3]); + + // Don't trigger when the empty collection iter is relied upon for its concrete type + // But do trigger if it is just an iterator, despite being an argument to a method + for i in smth.as_ref().map_or([].iter(), |s| s.iter()).chain([].iter()) { + println!("{i}"); + } + + // Same as above, but for regular function calls + for i in Option::map_or(smth.as_ref(), [].iter(), |s| s.iter()) { + println!("{i}"); + } } macro_rules! in_macros { diff --git a/tests/ui/iter_on_empty_collections.stderr b/tests/ui/iter_on_empty_collections.stderr index ade20ff26a01..da9caa6925bd 100644 --- a/tests/ui/iter_on_empty_collections.stderr +++ b/tests/ui/iter_on_empty_collections.stderr @@ -37,5 +37,11 @@ error: `iter` call on an empty collection LL | assert_eq!(None.iter().next(), Option::<&i32>::None); | ^^^^^^^^^^^ help: try: `std::iter::empty()` -error: aborting due to 6 previous errors +error: `iter` call on an empty collection + --> tests/ui/iter_on_empty_collections.rs:28:66 + | +LL | for i in smth.as_ref().map_or([].iter(), |s| s.iter()).chain([].iter()) { + | ^^^^^^^^^ help: try: `std::iter::empty()` + +error: aborting due to 7 previous errors From 91685c0ef4a9d41cd593a0d2433c1b6131ecee32 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sat, 18 May 2024 10:03:53 -0400 Subject: [PATCH 0257/1716] Make search graph generic over interner --- compiler/rustc_middle/src/ty/context.rs | 4 + compiler/rustc_middle/src/ty/predicate.rs | 6 +- .../src/solve/eval_ctxt/mod.rs | 6 +- .../src/solve/search_graph.rs | 110 ++++++++++-------- compiler/rustc_type_ir/src/inherent.rs | 1 + compiler/rustc_type_ir/src/interner.rs | 2 + 6 files changed, 75 insertions(+), 54 deletions(-) diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index 69681930be65..d75f250275bc 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -233,6 +233,10 @@ impl<'tcx> Interner for TyCtxt<'tcx> { fn parent(self, def_id: Self::DefId) -> Self::DefId { self.parent(def_id) } + + fn recursion_limit(self) -> usize { + self.recursion_limit().0 + } } impl<'tcx> rustc_type_ir::inherent::Abi> for abi::Abi { diff --git a/compiler/rustc_middle/src/ty/predicate.rs b/compiler/rustc_middle/src/ty/predicate.rs index 644fca7c5fee..be91249a25f8 100644 --- a/compiler/rustc_middle/src/ty/predicate.rs +++ b/compiler/rustc_middle/src/ty/predicate.rs @@ -37,7 +37,11 @@ pub struct Predicate<'tcx>( pub(super) Interned<'tcx, WithCachedTypeInfo>>>, ); -impl<'tcx> rustc_type_ir::inherent::Predicate> for Predicate<'tcx> {} +impl<'tcx> rustc_type_ir::inherent::Predicate> for Predicate<'tcx> { + fn is_coinductive(self, interner: TyCtxt<'tcx>) -> bool { + self.is_coinductive(interner) + } +} impl<'tcx> rustc_type_ir::visit::Flags for Predicate<'tcx> { fn flags(&self) -> TypeFlags { diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs index 70308d4359d2..9771e3f4e30a 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs @@ -85,7 +85,7 @@ pub struct EvalCtxt<'a, 'tcx> { /// new placeholders to the caller. pub(super) max_input_universe: ty::UniverseIndex, - pub(super) search_graph: &'a mut SearchGraph<'tcx>, + pub(super) search_graph: &'a mut SearchGraph>, nested_goals: NestedGoals>, @@ -225,7 +225,7 @@ impl<'a, 'tcx> EvalCtxt<'a, 'tcx> { /// and registering opaques from the canonicalized input. fn enter_canonical( tcx: TyCtxt<'tcx>, - search_graph: &'a mut search_graph::SearchGraph<'tcx>, + search_graph: &'a mut search_graph::SearchGraph>, canonical_input: CanonicalInput<'tcx>, canonical_goal_evaluation: &mut ProofTreeBuilder>, f: impl FnOnce(&mut EvalCtxt<'_, 'tcx>, Goal<'tcx, ty::Predicate<'tcx>>) -> R, @@ -287,7 +287,7 @@ impl<'a, 'tcx> EvalCtxt<'a, 'tcx> { #[instrument(level = "debug", skip(tcx, search_graph, goal_evaluation), ret)] fn evaluate_canonical_goal( tcx: TyCtxt<'tcx>, - search_graph: &'a mut search_graph::SearchGraph<'tcx>, + search_graph: &'a mut search_graph::SearchGraph>, canonical_input: CanonicalInput<'tcx>, goal_evaluation: &mut ProofTreeBuilder>, ) -> QueryResult<'tcx> { diff --git a/compiler/rustc_trait_selection/src/solve/search_graph.rs b/compiler/rustc_trait_selection/src/solve/search_graph.rs index 0164d44667c3..5a5df439a788 100644 --- a/compiler/rustc_trait_selection/src/solve/search_graph.rs +++ b/compiler/rustc_trait_selection/src/solve/search_graph.rs @@ -1,18 +1,21 @@ -use crate::solve::FIXPOINT_STEP_LIMIT; +use std::mem; -use super::inspect; -use super::inspect::ProofTreeBuilder; -use super::SolverMode; -use rustc_data_structures::fx::FxHashMap; -use rustc_data_structures::fx::FxHashSet; +use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_index::Idx; use rustc_index::IndexVec; use rustc_middle::dep_graph::dep_kinds; use rustc_middle::traits::solve::CacheData; -use rustc_middle::traits::solve::{CanonicalInput, Certainty, EvaluationCache, QueryResult}; +use rustc_middle::traits::solve::EvaluationCache; use rustc_middle::ty::TyCtxt; +use rustc_next_trait_solver::solve::{CanonicalInput, Certainty, QueryResult}; use rustc_session::Limit; -use std::mem; +use rustc_type_ir::inherent::*; +use rustc_type_ir::Interner; + +use super::inspect; +use super::inspect::ProofTreeBuilder; +use super::SolverMode; +use crate::solve::FIXPOINT_STEP_LIMIT; rustc_index::newtype_index! { #[orderable] @@ -30,9 +33,10 @@ bitflags::bitflags! { } } -#[derive(Debug)] -struct StackEntry<'tcx> { - input: CanonicalInput<'tcx>, +#[derive(derivative::Derivative)] +#[derivative(Debug(bound = ""))] +struct StackEntry { + input: CanonicalInput, available_depth: Limit, @@ -53,11 +57,11 @@ struct StackEntry<'tcx> { has_been_used: HasBeenUsed, /// Starts out as `None` and gets set when rerunning this /// goal in case we encounter a cycle. - provisional_result: Option>, + provisional_result: Option>, } /// The provisional result for a goal which is not on the stack. -struct DetachedEntry<'tcx> { +struct DetachedEntry { /// The head of the smallest non-trivial cycle involving this entry. /// /// Given the following rules, when proving `A` the head for @@ -68,7 +72,7 @@ struct DetachedEntry<'tcx> { /// C :- A + B + C /// ``` head: StackDepth, - result: QueryResult<'tcx>, + result: QueryResult, } /// Stores the stack depth of a currently evaluated goal *and* already @@ -83,14 +87,15 @@ struct DetachedEntry<'tcx> { /// /// The provisional cache can theoretically result in changes to the observable behavior, /// see tests/ui/traits/next-solver/cycles/provisional-cache-impacts-behavior.rs. -#[derive(Default)] -struct ProvisionalCacheEntry<'tcx> { +#[derive(derivative::Derivative)] +#[derivative(Default(bound = ""))] +struct ProvisionalCacheEntry { stack_depth: Option, - with_inductive_stack: Option>, - with_coinductive_stack: Option>, + with_inductive_stack: Option>, + with_coinductive_stack: Option>, } -impl<'tcx> ProvisionalCacheEntry<'tcx> { +impl ProvisionalCacheEntry { fn is_empty(&self) -> bool { self.stack_depth.is_none() && self.with_inductive_stack.is_none() @@ -98,13 +103,13 @@ impl<'tcx> ProvisionalCacheEntry<'tcx> { } } -pub(super) struct SearchGraph<'tcx> { +pub(super) struct SearchGraph { mode: SolverMode, /// The stack of goals currently being computed. /// /// An element is *deeper* in the stack if its index is *lower*. - stack: IndexVec>, - provisional_cache: FxHashMap, ProvisionalCacheEntry<'tcx>>, + stack: IndexVec>, + provisional_cache: FxHashMap, ProvisionalCacheEntry>, /// We put only the root goal of a coinductive cycle into the global cache. /// /// If we were to use that result when later trying to prove another cycle @@ -112,11 +117,11 @@ pub(super) struct SearchGraph<'tcx> { /// /// See tests/ui/next-solver/coinduction/incompleteness-unstable-result.rs for /// an example of where this is needed. - cycle_participants: FxHashSet>, + cycle_participants: FxHashSet>, } -impl<'tcx> SearchGraph<'tcx> { - pub(super) fn new(mode: SolverMode) -> SearchGraph<'tcx> { +impl SearchGraph { + pub(super) fn new(mode: SolverMode) -> SearchGraph { Self { mode, stack: Default::default(), @@ -144,7 +149,7 @@ impl<'tcx> SearchGraph<'tcx> { /// /// Directly popping from the stack instead of using this method /// would cause us to not track overflow and recursion depth correctly. - fn pop_stack(&mut self) -> StackEntry<'tcx> { + fn pop_stack(&mut self) -> StackEntry { let elem = self.stack.pop().unwrap(); if let Some(last) = self.stack.raw.last_mut() { last.reached_depth = last.reached_depth.max(elem.reached_depth); @@ -153,17 +158,6 @@ impl<'tcx> SearchGraph<'tcx> { elem } - /// The trait solver behavior is different for coherence - /// so we use a separate cache. Alternatively we could use - /// a single cache and share it between coherence and ordinary - /// trait solving. - pub(super) fn global_cache(&self, tcx: TyCtxt<'tcx>) -> &'tcx EvaluationCache<'tcx> { - match self.mode { - SolverMode::Normal => &tcx.new_solver_evaluation_cache, - SolverMode::Coherence => &tcx.new_solver_coherence_evaluation_cache, - } - } - pub(super) fn is_empty(&self) -> bool { if self.stack.is_empty() { debug_assert!(self.provisional_cache.is_empty()); @@ -181,8 +175,8 @@ impl<'tcx> SearchGraph<'tcx> { /// the remaining depth of all nested goals to prevent hangs /// in case there is exponential blowup. fn allowed_depth_for_nested( - tcx: TyCtxt<'tcx>, - stack: &IndexVec>, + tcx: I, + stack: &IndexVec>, ) -> Option { if let Some(last) = stack.raw.last() { if last.available_depth.0 == 0 { @@ -195,13 +189,13 @@ impl<'tcx> SearchGraph<'tcx> { Limit(last.available_depth.0 - 1) }) } else { - Some(tcx.recursion_limit()) + Some(Limit(tcx.recursion_limit())) } } fn stack_coinductive_from( - tcx: TyCtxt<'tcx>, - stack: &IndexVec>, + tcx: I, + stack: &IndexVec>, head: StackDepth, ) -> bool { stack.raw[head.index()..] @@ -220,8 +214,8 @@ impl<'tcx> SearchGraph<'tcx> { // we reach a fixpoint and all other cycle participants to make sure that // their result does not get moved to the global cache. fn tag_cycle_participants( - stack: &mut IndexVec>, - cycle_participants: &mut FxHashSet>, + stack: &mut IndexVec>, + cycle_participants: &mut FxHashSet>, usage_kind: HasBeenUsed, head: StackDepth, ) { @@ -234,7 +228,7 @@ impl<'tcx> SearchGraph<'tcx> { } fn clear_dependent_provisional_results( - provisional_cache: &mut FxHashMap, ProvisionalCacheEntry<'tcx>>, + provisional_cache: &mut FxHashMap, ProvisionalCacheEntry>, head: StackDepth, ) { #[allow(rustc::potential_query_instability)] @@ -244,6 +238,19 @@ impl<'tcx> SearchGraph<'tcx> { !entry.is_empty() }); } +} + +impl<'tcx> SearchGraph> { + /// The trait solver behavior is different for coherence + /// so we use a separate cache. Alternatively we could use + /// a single cache and share it between coherence and ordinary + /// trait solving. + pub(super) fn global_cache(&self, tcx: TyCtxt<'tcx>) -> &'tcx EvaluationCache<'tcx> { + match self.mode { + SolverMode::Normal => &tcx.new_solver_evaluation_cache, + SolverMode::Coherence => &tcx.new_solver_coherence_evaluation_cache, + } + } /// Probably the most involved method of the whole solver. /// @@ -252,10 +259,13 @@ impl<'tcx> SearchGraph<'tcx> { pub(super) fn with_new_goal( &mut self, tcx: TyCtxt<'tcx>, - input: CanonicalInput<'tcx>, + input: CanonicalInput>, inspect: &mut ProofTreeBuilder>, - mut prove_goal: impl FnMut(&mut Self, &mut ProofTreeBuilder>) -> QueryResult<'tcx>, - ) -> QueryResult<'tcx> { + mut prove_goal: impl FnMut( + &mut Self, + &mut ProofTreeBuilder>, + ) -> QueryResult>, + ) -> QueryResult> { // Check for overflow. let Some(available_depth) = Self::allowed_depth_for_nested(tcx, &self.stack) else { if let Some(last) = self.stack.raw.last_mut() { @@ -489,9 +499,9 @@ impl<'tcx> SearchGraph<'tcx> { fn response_no_constraints( tcx: TyCtxt<'tcx>, - goal: CanonicalInput<'tcx>, + goal: CanonicalInput>, certainty: Certainty, - ) -> QueryResult<'tcx> { + ) -> QueryResult> { Ok(super::response_no_constraints_raw(tcx, goal.max_universe, goal.variables, certainty)) } } diff --git a/compiler/rustc_type_ir/src/inherent.rs b/compiler/rustc_type_ir/src/inherent.rs index 5289dfd932f9..19c76fb165a0 100644 --- a/compiler/rustc_type_ir/src/inherent.rs +++ b/compiler/rustc_type_ir/src/inherent.rs @@ -96,6 +96,7 @@ pub trait GenericArgs>: pub trait Predicate>: Copy + Debug + Hash + Eq + TypeSuperVisitable + TypeSuperFoldable + Flags { + fn is_coinductive(self, interner: I) -> bool; } /// Common capabilities of placeholder kinds diff --git a/compiler/rustc_type_ir/src/interner.rs b/compiler/rustc_type_ir/src/interner.rs index 9acf7c04dd61..0b51d2e75f45 100644 --- a/compiler/rustc_type_ir/src/interner.rs +++ b/compiler/rustc_type_ir/src/interner.rs @@ -124,6 +124,8 @@ pub trait Interner: ) -> Self::GenericArgs; fn parent(self, def_id: Self::DefId) -> Self::DefId; + + fn recursion_limit(self) -> usize; } /// Imagine you have a function `F: FnOnce(&[T]) -> R`, plus an iterator `iter` From 9dc073aa4bc660efe2e68837b729af8d341bb7f9 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sat, 18 May 2024 10:10:40 -0400 Subject: [PATCH 0258/1716] Make EvalCtxt generic over interner --- .../src/solve/alias_relate.rs | 3 +- .../src/solve/assembly/mod.rs | 62 ++++++++++--------- .../src/solve/assembly/structural_traits.rs | 11 ++-- .../src/solve/eval_ctxt/canonical.rs | 2 +- .../src/solve/eval_ctxt/mod.rs | 35 ++++++----- .../src/solve/eval_ctxt/probe.rs | 12 ++-- .../rustc_trait_selection/src/solve/mod.rs | 5 +- .../src/solve/normalizes_to/anon_const.rs | 3 +- .../src/solve/normalizes_to/inherent.rs | 3 +- .../src/solve/normalizes_to/mod.rs | 57 ++++++++--------- .../src/solve/normalizes_to/opaque_types.rs | 3 +- .../src/solve/normalizes_to/weak_types.rs | 3 +- .../src/solve/project_goals.rs | 3 +- .../src/solve/trait_goals.rs | 57 ++++++++--------- 14 files changed, 138 insertions(+), 121 deletions(-) diff --git a/compiler/rustc_trait_selection/src/solve/alias_relate.rs b/compiler/rustc_trait_selection/src/solve/alias_relate.rs index 65cc0a458573..43e61de955af 100644 --- a/compiler/rustc_trait_selection/src/solve/alias_relate.rs +++ b/compiler/rustc_trait_selection/src/solve/alias_relate.rs @@ -16,10 +16,11 @@ //! relate them structurally. use super::EvalCtxt; +use rustc_infer::infer::InferCtxt; use rustc_middle::traits::solve::{Certainty, Goal, QueryResult}; use rustc_middle::ty; -impl<'tcx> EvalCtxt<'_, 'tcx> { +impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { #[instrument(level = "trace", skip(self), ret)] pub(super) fn compute_alias_relate_goal( &mut self, diff --git a/compiler/rustc_trait_selection/src/solve/assembly/mod.rs b/compiler/rustc_trait_selection/src/solve/assembly/mod.rs index b1dd6ae6611e..115244106928 100644 --- a/compiler/rustc_trait_selection/src/solve/assembly/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/assembly/mod.rs @@ -1,8 +1,7 @@ //! Code shared by trait and projection goals for candidate assembly. -use crate::solve::GoalSource; -use crate::solve::{EvalCtxt, SolverMode}; use rustc_hir::def_id::DefId; +use rustc_infer::infer::InferCtxt; use rustc_infer::traits::query::NoSolution; use rustc_middle::bug; use rustc_middle::traits::solve::inspect::ProbeKind; @@ -17,6 +16,9 @@ use rustc_middle::ty::{TypeVisitableExt, Upcast}; use rustc_span::{ErrorGuaranteed, DUMMY_SP}; use std::fmt::Debug; +use crate::solve::GoalSource; +use crate::solve::{EvalCtxt, SolverMode}; + pub(super) mod structural_traits; /// A candidate is a possible way to prove a goal. @@ -46,18 +48,18 @@ pub(super) trait GoalKind<'tcx>: /// work, then produce a response (typically by executing /// [`EvalCtxt::evaluate_added_goals_and_make_canonical_response`]). fn probe_and_match_goal_against_assumption( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, source: CandidateSource<'tcx>, goal: Goal<'tcx, Self>, assumption: ty::Clause<'tcx>, - then: impl FnOnce(&mut EvalCtxt<'_, 'tcx>) -> QueryResult<'tcx>, + then: impl FnOnce(&mut EvalCtxt<'_, InferCtxt<'tcx>>) -> QueryResult<'tcx>, ) -> Result, NoSolution>; /// Consider a clause, which consists of a "assumption" and some "requirements", /// to satisfy a goal. If the requirements hold, then attempt to satisfy our /// goal by equating it with the assumption. fn probe_and_consider_implied_clause( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, parent_source: CandidateSource<'tcx>, goal: Goal<'tcx, Self>, assumption: ty::Clause<'tcx>, @@ -75,7 +77,7 @@ pub(super) trait GoalKind<'tcx>: /// additionally checking all of the supertraits and object bounds to hold, /// since they're not implied by the well-formedness of the object type. fn probe_and_consider_object_bound_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, source: CandidateSource<'tcx>, goal: Goal<'tcx, Self>, assumption: ty::Clause<'tcx>, @@ -99,7 +101,7 @@ pub(super) trait GoalKind<'tcx>: } fn consider_impl_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, impl_def_id: DefId, ) -> Result, NoSolution>; @@ -111,7 +113,7 @@ pub(super) trait GoalKind<'tcx>: /// Trait goals always hold while projection goals never do. This is a bit arbitrary /// but prevents incorrect normalization while hiding any trait errors. fn consider_error_guaranteed_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, guar: ErrorGuaranteed, ) -> Result, NoSolution>; @@ -120,13 +122,13 @@ pub(super) trait GoalKind<'tcx>: /// These components are given by built-in rules from /// [`structural_traits::instantiate_constituent_tys_for_auto_trait`]. fn consider_auto_trait_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution>; /// A trait alias holds if the RHS traits and `where` clauses hold. fn consider_trait_alias_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution>; @@ -135,7 +137,7 @@ pub(super) trait GoalKind<'tcx>: /// These components are given by built-in rules from /// [`structural_traits::instantiate_constituent_tys_for_sized_trait`]. fn consider_builtin_sized_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution>; @@ -144,27 +146,27 @@ pub(super) trait GoalKind<'tcx>: /// These components are given by built-in rules from /// [`structural_traits::instantiate_constituent_tys_for_copy_clone_trait`]. fn consider_builtin_copy_clone_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution>; /// A type is `PointerLike` if we can compute its layout, and that layout /// matches the layout of `usize`. fn consider_builtin_pointer_like_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution>; /// A type is a `FnPtr` if it is of `FnPtr` type. fn consider_builtin_fn_ptr_trait_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution>; /// A callable type (a closure, fn def, or fn ptr) is known to implement the `Fn` /// family of traits where `A` is given by the signature of the type. fn consider_builtin_fn_trait_candidates( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, kind: ty::ClosureKind, ) -> Result, NoSolution>; @@ -172,7 +174,7 @@ pub(super) trait GoalKind<'tcx>: /// An async closure is known to implement the `AsyncFn` family of traits /// where `A` is given by the signature of the type. fn consider_builtin_async_fn_trait_candidates( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, kind: ty::ClosureKind, ) -> Result, NoSolution>; @@ -181,13 +183,13 @@ pub(super) trait GoalKind<'tcx>: /// is used internally to delay computation for async closures until after /// upvar analysis is performed in HIR typeck. fn consider_builtin_async_fn_kind_helper_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution>; /// `Tuple` is implemented if the `Self` type is a tuple. fn consider_builtin_tuple_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution>; @@ -197,7 +199,7 @@ pub(super) trait GoalKind<'tcx>: /// the built-in types. For structs, the metadata type is given by the struct /// tail. fn consider_builtin_pointee_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution>; @@ -205,7 +207,7 @@ pub(super) trait GoalKind<'tcx>: /// `Future`, where `O` is given by the coroutine's return type /// that was computed during type-checking. fn consider_builtin_future_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution>; @@ -213,19 +215,19 @@ pub(super) trait GoalKind<'tcx>: /// `Iterator`, where `O` is given by the generator's yield type /// that was computed during type-checking. fn consider_builtin_iterator_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution>; /// A coroutine (that comes from a `gen` desugaring) is known to implement /// `FusedIterator` fn consider_builtin_fused_iterator_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution>; fn consider_builtin_async_iterator_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution>; @@ -233,27 +235,27 @@ pub(super) trait GoalKind<'tcx>: /// implement `Coroutine`, given the resume, yield, /// and return types of the coroutine computed during type-checking. fn consider_builtin_coroutine_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution>; fn consider_builtin_discriminant_kind_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution>; fn consider_builtin_async_destruct_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution>; fn consider_builtin_destruct_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution>; fn consider_builtin_transmute_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution>; @@ -265,12 +267,12 @@ pub(super) trait GoalKind<'tcx>: /// otherwise recompute this for codegen. This is a bit of a mess but the /// easiest way to maintain the existing behavior for now. fn consider_structural_builtin_unsize_candidates( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Vec>; } -impl<'tcx> EvalCtxt<'_, 'tcx> { +impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { pub(super) fn assemble_and_evaluate_candidates>( &mut self, goal: Goal<'tcx, G>, diff --git a/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs b/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs index cf826596392c..930ae5af811b 100644 --- a/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs +++ b/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs @@ -3,6 +3,7 @@ use rustc_data_structures::fx::FxHashMap; use rustc_hir::LangItem; use rustc_hir::{def_id::DefId, Movability, Mutability}; +use rustc_infer::infer::InferCtxt; use rustc_infer::traits::query::NoSolution; use rustc_macros::{TypeFoldable, TypeVisitable}; use rustc_middle::bug; @@ -18,7 +19,7 @@ use crate::solve::EvalCtxt; // instantiate the binder with placeholders eagerly. #[instrument(level = "trace", skip(ecx), ret)] pub(in crate::solve) fn instantiate_constituent_tys_for_auto_trait<'tcx>( - ecx: &EvalCtxt<'_, 'tcx>, + ecx: &EvalCtxt<'_, InferCtxt<'tcx>>, ty: Ty<'tcx>, ) -> Result>>, NoSolution> { let tcx = ecx.tcx(); @@ -97,7 +98,7 @@ pub(in crate::solve) fn instantiate_constituent_tys_for_auto_trait<'tcx>( #[instrument(level = "trace", skip(ecx), ret)] pub(in crate::solve) fn instantiate_constituent_tys_for_sized_trait<'tcx>( - ecx: &EvalCtxt<'_, 'tcx>, + ecx: &EvalCtxt<'_, InferCtxt<'tcx>>, ty: Ty<'tcx>, ) -> Result>>, NoSolution> { match *ty.kind() { @@ -161,7 +162,7 @@ pub(in crate::solve) fn instantiate_constituent_tys_for_sized_trait<'tcx>( #[instrument(level = "trace", skip(ecx), ret)] pub(in crate::solve) fn instantiate_constituent_tys_for_copy_clone_trait<'tcx>( - ecx: &EvalCtxt<'_, 'tcx>, + ecx: &EvalCtxt<'_, InferCtxt<'tcx>>, ty: Ty<'tcx>, ) -> Result>>, NoSolution> { match *ty.kind() { @@ -663,7 +664,7 @@ fn coroutine_closure_to_ambiguous_coroutine<'tcx>( // normalize eagerly here. See https://github.com/lcnr/solver-woes/issues/9 // for more details. pub(in crate::solve) fn predicates_for_object_candidate<'tcx>( - ecx: &EvalCtxt<'_, 'tcx>, + ecx: &EvalCtxt<'_, InferCtxt<'tcx>>, param_env: ty::ParamEnv<'tcx>, trait_ref: ty::TraitRef<'tcx>, object_bound: &'tcx ty::List>, @@ -716,7 +717,7 @@ pub(in crate::solve) fn predicates_for_object_candidate<'tcx>( } struct ReplaceProjectionWith<'a, 'tcx> { - ecx: &'a EvalCtxt<'a, 'tcx>, + ecx: &'a EvalCtxt<'a, InferCtxt<'tcx>>, param_env: ty::ParamEnv<'tcx>, mapping: FxHashMap>, nested: Vec>>, diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs index 52deb22098f4..a642d0c40fc9 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs @@ -52,7 +52,7 @@ impl<'tcx, T> ResponseT<'tcx> for inspect::State, T> { } } -impl<'tcx> EvalCtxt<'_, 'tcx> { +impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { /// Canonicalizes the goal remembering the original values /// for each bound variable. pub(super) fn canonicalize_goal>>( diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs index 9771e3f4e30a..7e1d7d73e0b3 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs @@ -4,7 +4,6 @@ use std::ops::ControlFlow; use rustc_data_structures::stack::ensure_sufficient_stack; use rustc_hir::def_id::DefId; use rustc_infer::infer::at::ToTrace; -use rustc_infer::infer::canonical::CanonicalVarValues; use rustc_infer::infer::{ BoundRegionConversionTime, DefineOpaqueTypes, InferCtxt, InferOk, TyCtxtInferExt, }; @@ -13,10 +12,8 @@ use rustc_infer::traits::solve::{MaybeCause, NestedNormalizationGoals}; use rustc_infer::traits::ObligationCause; use rustc_macros::{extension, HashStable, HashStable_NoContext, TyDecodable, TyEncodable}; use rustc_middle::bug; -use rustc_middle::infer::canonical::CanonicalVarInfos; use rustc_middle::traits::solve::{ - inspect, CanonicalInput, CanonicalResponse, Certainty, PredefinedOpaques, - PredefinedOpaquesData, QueryResult, + inspect, CanonicalInput, CanonicalResponse, Certainty, PredefinedOpaquesData, QueryResult, }; use rustc_middle::traits::specialization_graph; use rustc_middle::ty::{ @@ -25,7 +22,7 @@ use rustc_middle::ty::{ }; use rustc_session::config::DumpSolverProofTree; use rustc_span::DUMMY_SP; -use rustc_type_ir::{self as ir, Interner}; +use rustc_type_ir::{self as ir, CanonicalVarValues, Interner}; use rustc_type_ir_macros::{Lift_Generic, TypeFoldable_Generic, TypeVisitable_Generic}; use crate::traits::coherence; @@ -41,7 +38,11 @@ pub(super) mod canonical; mod probe; mod select; -pub struct EvalCtxt<'a, 'tcx> { +pub struct EvalCtxt< + 'a, + Infcx: InferCtxtLike, + I: Interner = ::Interner, +> { /// The inference context that backs (mostly) inference and placeholder terms /// instantiated while solving goals. /// @@ -57,11 +58,11 @@ pub struct EvalCtxt<'a, 'tcx> { /// If some `InferCtxt` method is missing, please first think defensively about /// the method's compatibility with this solver, or if an existing one does /// the job already. - infcx: &'a InferCtxt<'tcx>, + infcx: &'a Infcx, /// The variable info for the `var_values`, only used to make an ambiguous response /// with no constraints. - variables: CanonicalVarInfos<'tcx>, + variables: I::CanonicalVars, /// Whether we're currently computing a `NormalizesTo` goal. Unlike other goals, /// `NormalizesTo` goals act like functions with the expected term always being /// fully unconstrained. This would weaken inference however, as the nested goals @@ -70,9 +71,9 @@ pub struct EvalCtxt<'a, 'tcx> { /// when then adds these to its own context. The caller is always an `AliasRelate` /// goal so this never leaks out of the solver. is_normalizes_to_goal: bool, - pub(super) var_values: CanonicalVarValues<'tcx>, + pub(super) var_values: CanonicalVarValues, - predefined_opaques_in_body: PredefinedOpaques<'tcx>, + predefined_opaques_in_body: I::PredefinedOpaques, /// The highest universe index nameable by the caller. /// @@ -85,9 +86,9 @@ pub struct EvalCtxt<'a, 'tcx> { /// new placeholders to the caller. pub(super) max_input_universe: ty::UniverseIndex, - pub(super) search_graph: &'a mut SearchGraph>, + pub(super) search_graph: &'a mut SearchGraph, - nested_goals: NestedGoals>, + nested_goals: NestedGoals, // Has this `EvalCtxt` errored out with `NoSolution` in `try_evaluate_added_goals`? // @@ -97,7 +98,7 @@ pub struct EvalCtxt<'a, 'tcx> { // evaluation code. tainted: Result<(), NoSolution>, - pub(super) inspect: ProofTreeBuilder>, + pub(super) inspect: ProofTreeBuilder, } #[derive(derivative::Derivative)] @@ -157,7 +158,7 @@ impl<'tcx> InferCtxt<'tcx> { } } -impl<'a, 'tcx> EvalCtxt<'a, 'tcx> { +impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { pub(super) fn solver_mode(&self) -> SolverMode { self.search_graph.solver_mode() } @@ -172,7 +173,7 @@ impl<'a, 'tcx> EvalCtxt<'a, 'tcx> { pub(super) fn enter_root( infcx: &InferCtxt<'tcx>, generate_proof_tree: GenerateProofTree, - f: impl FnOnce(&mut EvalCtxt<'_, 'tcx>) -> R, + f: impl FnOnce(&mut EvalCtxt<'_, InferCtxt<'tcx>>) -> R, ) -> (R, Option>>) { let mode = if infcx.intercrate { SolverMode::Coherence } else { SolverMode::Normal }; let mut search_graph = search_graph::SearchGraph::new(mode); @@ -228,7 +229,7 @@ impl<'a, 'tcx> EvalCtxt<'a, 'tcx> { search_graph: &'a mut search_graph::SearchGraph>, canonical_input: CanonicalInput<'tcx>, canonical_goal_evaluation: &mut ProofTreeBuilder>, - f: impl FnOnce(&mut EvalCtxt<'_, 'tcx>, Goal<'tcx, ty::Predicate<'tcx>>) -> R, + f: impl FnOnce(&mut EvalCtxt<'_, InferCtxt<'tcx>>, Goal<'tcx, ty::Predicate<'tcx>>) -> R, ) -> R { let intercrate = match search_graph.solver_mode() { SolverMode::Normal => false, @@ -600,7 +601,7 @@ impl<'a, 'tcx> EvalCtxt<'a, 'tcx> { } } -impl<'tcx> EvalCtxt<'_, 'tcx> { +impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { pub(super) fn tcx(&self) -> TyCtxt<'tcx> { self.infcx.tcx } diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/probe.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/probe.rs index 9edc489754ca..1748c9be9275 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/probe.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/probe.rs @@ -1,6 +1,7 @@ use crate::solve::assembly::Candidate; use super::EvalCtxt; +use rustc_infer::infer::InferCtxt; use rustc_infer::traits::BuiltinImplSource; use rustc_middle::traits::query::NoSolution; use rustc_middle::traits::solve::{inspect, CandidateSource, QueryResult}; @@ -8,7 +9,7 @@ use rustc_middle::ty::TyCtxt; use std::marker::PhantomData; pub(in crate::solve) struct ProbeCtxt<'me, 'a, 'tcx, F, T> { - ecx: &'me mut EvalCtxt<'a, 'tcx>, + ecx: &'me mut EvalCtxt<'a, InferCtxt<'tcx>>, probe_kind: F, _result: PhantomData, } @@ -17,7 +18,10 @@ impl<'tcx, F, T> ProbeCtxt<'_, '_, 'tcx, F, T> where F: FnOnce(&T) -> inspect::ProbeKind>, { - pub(in crate::solve) fn enter(self, f: impl FnOnce(&mut EvalCtxt<'_, 'tcx>) -> T) -> T { + pub(in crate::solve) fn enter( + self, + f: impl FnOnce(&mut EvalCtxt<'_, InferCtxt<'tcx>>) -> T, + ) -> T { let ProbeCtxt { ecx: outer_ecx, probe_kind, _result } = self; let infcx = outer_ecx.infcx; @@ -60,13 +64,13 @@ where #[instrument(level = "debug", skip_all, fields(source = ?self.source))] pub(in crate::solve) fn enter( self, - f: impl FnOnce(&mut EvalCtxt<'_, 'tcx>) -> QueryResult<'tcx>, + f: impl FnOnce(&mut EvalCtxt<'_, InferCtxt<'tcx>>) -> QueryResult<'tcx>, ) -> Result, NoSolution> { self.cx.enter(|ecx| f(ecx)).map(|result| Candidate { source: self.source, result }) } } -impl<'a, 'tcx> EvalCtxt<'a, 'tcx> { +impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { /// `probe_kind` is only called when proof tree building is enabled so it can be /// as expensive as necessary to output the desired information. pub(in crate::solve) fn probe(&mut self, probe_kind: F) -> ProbeCtxt<'_, 'a, 'tcx, F, T> diff --git a/compiler/rustc_trait_selection/src/solve/mod.rs b/compiler/rustc_trait_selection/src/solve/mod.rs index b085d009d75a..60722d3618f9 100644 --- a/compiler/rustc_trait_selection/src/solve/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/mod.rs @@ -15,6 +15,7 @@ //! about it on zulip. use rustc_hir::def_id::DefId; use rustc_infer::infer::canonical::{Canonical, CanonicalVarValues}; +use rustc_infer::infer::InferCtxt; use rustc_infer::traits::query::NoSolution; use rustc_macros::extension; use rustc_middle::bug; @@ -82,7 +83,7 @@ impl<'tcx> Canonical<'tcx, Response>> { } } -impl<'a, 'tcx> EvalCtxt<'a, 'tcx> { +impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { #[instrument(level = "trace", skip(self))] fn compute_type_outlives_goal( &mut self, @@ -201,7 +202,7 @@ impl<'a, 'tcx> EvalCtxt<'a, 'tcx> { } } -impl<'tcx> EvalCtxt<'_, 'tcx> { +impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { #[instrument(level = "trace", skip(self, goals))] fn add_goals( &mut self, diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/anon_const.rs b/compiler/rustc_trait_selection/src/solve/normalizes_to/anon_const.rs index 94e078f56159..c9621e705e57 100644 --- a/compiler/rustc_trait_selection/src/solve/normalizes_to/anon_const.rs +++ b/compiler/rustc_trait_selection/src/solve/normalizes_to/anon_const.rs @@ -1,8 +1,9 @@ use crate::solve::EvalCtxt; +use rustc_infer::infer::InferCtxt; use rustc_middle::traits::solve::{Certainty, Goal, QueryResult}; use rustc_middle::ty; -impl<'tcx> EvalCtxt<'_, 'tcx> { +impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { #[instrument(level = "trace", skip(self), ret)] pub(super) fn normalize_anon_const( &mut self, diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/inherent.rs b/compiler/rustc_trait_selection/src/solve/normalizes_to/inherent.rs index 353bdb9caff8..2146a2c2f081 100644 --- a/compiler/rustc_trait_selection/src/solve/normalizes_to/inherent.rs +++ b/compiler/rustc_trait_selection/src/solve/normalizes_to/inherent.rs @@ -4,12 +4,13 @@ //! 1. instantiate generic parameters, //! 2. equate the self type, and //! 3. instantiate and register where clauses. +use rustc_infer::infer::InferCtxt; use rustc_middle::traits::solve::{Certainty, Goal, GoalSource, QueryResult}; use rustc_middle::ty; use crate::solve::EvalCtxt; -impl<'tcx> EvalCtxt<'_, 'tcx> { +impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { pub(super) fn normalize_inherent_associated_type( &mut self, goal: Goal<'tcx, ty::NormalizesTo<'tcx>>, diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs b/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs index 8c492b62c1ad..7ef8373663ba 100644 --- a/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs @@ -5,6 +5,7 @@ use super::assembly::{self, structural_traits, Candidate}; use super::{EvalCtxt, GoalSource}; use rustc_hir::def_id::DefId; use rustc_hir::LangItem; +use rustc_infer::infer::InferCtxt; use rustc_infer::traits::query::NoSolution; use rustc_infer::traits::solve::inspect::ProbeKind; use rustc_infer::traits::solve::MaybeCause; @@ -24,7 +25,7 @@ mod inherent; mod opaque_types; mod weak_types; -impl<'tcx> EvalCtxt<'_, 'tcx> { +impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { #[instrument(level = "trace", skip(self), ret)] pub(super) fn compute_normalizes_to_goal( &mut self, @@ -98,11 +99,11 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn probe_and_match_goal_against_assumption( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, source: CandidateSource<'tcx>, goal: Goal<'tcx, Self>, assumption: ty::Clause<'tcx>, - then: impl FnOnce(&mut EvalCtxt<'_, 'tcx>) -> QueryResult<'tcx>, + then: impl FnOnce(&mut EvalCtxt<'_, InferCtxt<'tcx>>) -> QueryResult<'tcx>, ) -> Result, NoSolution> { if let Some(projection_pred) = assumption.as_projection_clause() { if projection_pred.projection_def_id() == goal.predicate.def_id() { @@ -137,7 +138,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_impl_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, NormalizesTo<'tcx>>, impl_def_id: DefId, ) -> Result, NoSolution> { @@ -199,7 +200,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { return ecx.evaluate_added_goals_and_make_canonical_response(Certainty::AMBIGUOUS); }; - let error_response = |ecx: &mut EvalCtxt<'_, 'tcx>, reason| { + let error_response = |ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, reason| { let guar = tcx.dcx().span_delayed_bug(tcx.def_span(assoc_def.item.def_id), reason); let error_term = match assoc_def.item.kind { ty::AssocKind::Const => ty::Const::new_error( @@ -279,14 +280,14 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { /// Fail to normalize if the predicate contains an error, alternatively, we could normalize to `ty::Error` /// and succeed. Can experiment with this to figure out what results in better error messages. fn consider_error_guaranteed_candidate( - _ecx: &mut EvalCtxt<'_, 'tcx>, + _ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, _guar: ErrorGuaranteed, ) -> Result, NoSolution> { Err(NoSolution) } fn consider_auto_trait_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { ecx.tcx().dcx().span_delayed_bug( @@ -297,42 +298,42 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_trait_alias_candidate( - _ecx: &mut EvalCtxt<'_, 'tcx>, + _ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { bug!("trait aliases do not have associated types: {:?}", goal); } fn consider_builtin_sized_candidate( - _ecx: &mut EvalCtxt<'_, 'tcx>, + _ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { bug!("`Sized` does not have an associated type: {:?}", goal); } fn consider_builtin_copy_clone_candidate( - _ecx: &mut EvalCtxt<'_, 'tcx>, + _ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { bug!("`Copy`/`Clone` does not have an associated type: {:?}", goal); } fn consider_builtin_pointer_like_candidate( - _ecx: &mut EvalCtxt<'_, 'tcx>, + _ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { bug!("`PointerLike` does not have an associated type: {:?}", goal); } fn consider_builtin_fn_ptr_trait_candidate( - _ecx: &mut EvalCtxt<'_, 'tcx>, + _ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { bug!("`FnPtr` does not have an associated type: {:?}", goal); } fn consider_builtin_fn_trait_candidates( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, goal_kind: ty::ClosureKind, ) -> Result, NoSolution> { @@ -375,7 +376,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_builtin_async_fn_trait_candidates( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, goal_kind: ty::ClosureKind, ) -> Result, NoSolution> { @@ -460,7 +461,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_builtin_async_fn_kind_helper_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { let [ @@ -507,14 +508,14 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_builtin_tuple_candidate( - _ecx: &mut EvalCtxt<'_, 'tcx>, + _ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { bug!("`Tuple` does not have an associated type: {:?}", goal); } fn consider_builtin_pointee_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { let tcx = ecx.tcx(); @@ -596,7 +597,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_builtin_future_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { let self_ty = goal.predicate.self_ty(); @@ -628,7 +629,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_builtin_iterator_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { let self_ty = goal.predicate.self_ty(); @@ -660,14 +661,14 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_builtin_fused_iterator_candidate( - _ecx: &mut EvalCtxt<'_, 'tcx>, + _ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { bug!("`FusedIterator` does not have an associated type: {:?}", goal); } fn consider_builtin_async_iterator_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { let self_ty = goal.predicate.self_ty(); @@ -703,7 +704,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_builtin_coroutine_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { let self_ty = goal.predicate.self_ty(); @@ -748,14 +749,14 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_structural_builtin_unsize_candidates( - _ecx: &mut EvalCtxt<'_, 'tcx>, + _ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Vec> { bug!("`Unsize` does not have an associated type: {:?}", goal); } fn consider_builtin_discriminant_kind_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { let self_ty = goal.predicate.self_ty(); @@ -807,7 +808,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_builtin_async_destruct_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { let self_ty = goal.predicate.self_ty(); @@ -860,14 +861,14 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_builtin_destruct_candidate( - _ecx: &mut EvalCtxt<'_, 'tcx>, + _ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { bug!("`Destruct` does not have an associated type: {:?}", goal); } fn consider_builtin_transmute_candidate( - _ecx: &mut EvalCtxt<'_, 'tcx>, + _ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { bug!("`BikeshedIntrinsicFrom` does not have an associated type: {:?}", goal) @@ -880,7 +881,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { /// diverge. #[instrument(level = "trace", skip(ecx, param_env), ret)] fn fetch_eligible_assoc_item_def<'tcx>( - ecx: &EvalCtxt<'_, 'tcx>, + ecx: &EvalCtxt<'_, InferCtxt<'tcx>>, param_env: ty::ParamEnv<'tcx>, goal_trait_ref: ty::TraitRef<'tcx>, trait_assoc_def_id: DefId, diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/opaque_types.rs b/compiler/rustc_trait_selection/src/solve/normalizes_to/opaque_types.rs index 9fdb280cdc6d..3b83d347276f 100644 --- a/compiler/rustc_trait_selection/src/solve/normalizes_to/opaque_types.rs +++ b/compiler/rustc_trait_selection/src/solve/normalizes_to/opaque_types.rs @@ -1,6 +1,7 @@ //! Computes a normalizes-to (projection) goal for opaque types. This goal //! behaves differently depending on the param-env's reveal mode and whether //! the opaque is in a defining scope. +use rustc_infer::infer::InferCtxt; use rustc_middle::traits::query::NoSolution; use rustc_middle::traits::solve::{Certainty, Goal, QueryResult}; use rustc_middle::traits::Reveal; @@ -9,7 +10,7 @@ use rustc_middle::ty::util::NotUniqueParam; use crate::solve::{EvalCtxt, SolverMode}; -impl<'tcx> EvalCtxt<'_, 'tcx> { +impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { pub(super) fn normalize_opaque_type( &mut self, goal: Goal<'tcx, ty::NormalizesTo<'tcx>>, diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/weak_types.rs b/compiler/rustc_trait_selection/src/solve/normalizes_to/weak_types.rs index 13af5068b6c9..109a9e9671f0 100644 --- a/compiler/rustc_trait_selection/src/solve/normalizes_to/weak_types.rs +++ b/compiler/rustc_trait_selection/src/solve/normalizes_to/weak_types.rs @@ -3,12 +3,13 @@ //! //! Since a weak alias is never ambiguous, this just computes the `type_of` of //! the alias and registers the where-clauses of the type alias. +use rustc_infer::infer::InferCtxt; use rustc_middle::traits::solve::{Certainty, Goal, GoalSource, QueryResult}; use rustc_middle::ty; use crate::solve::EvalCtxt; -impl<'tcx> EvalCtxt<'_, 'tcx> { +impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { pub(super) fn normalize_weak_type( &mut self, goal: Goal<'tcx, ty::NormalizesTo<'tcx>>, diff --git a/compiler/rustc_trait_selection/src/solve/project_goals.rs b/compiler/rustc_trait_selection/src/solve/project_goals.rs index 0f1be1072a8f..8fa78e49dc6e 100644 --- a/compiler/rustc_trait_selection/src/solve/project_goals.rs +++ b/compiler/rustc_trait_selection/src/solve/project_goals.rs @@ -1,10 +1,11 @@ use crate::solve::GoalSource; use super::EvalCtxt; +use rustc_infer::infer::InferCtxt; use rustc_middle::traits::solve::{Certainty, Goal, QueryResult}; use rustc_middle::ty::{self, ProjectionPredicate}; -impl<'tcx> EvalCtxt<'_, 'tcx> { +impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { #[instrument(level = "trace", skip(self), ret)] pub(super) fn compute_projection_goal( &mut self, diff --git a/compiler/rustc_trait_selection/src/solve/trait_goals.rs b/compiler/rustc_trait_selection/src/solve/trait_goals.rs index 9139c75d3999..e59eef22f411 100644 --- a/compiler/rustc_trait_selection/src/solve/trait_goals.rs +++ b/compiler/rustc_trait_selection/src/solve/trait_goals.rs @@ -8,6 +8,7 @@ use super::{EvalCtxt, GoalSource, SolverMode}; use rustc_data_structures::fx::FxIndexSet; use rustc_hir::def_id::DefId; use rustc_hir::{LangItem, Movability}; +use rustc_infer::infer::InferCtxt; use rustc_infer::traits::query::NoSolution; use rustc_infer::traits::solve::MaybeCause; use rustc_middle::bug; @@ -37,7 +38,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_impl_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, TraitPredicate<'tcx>>, impl_def_id: DefId, ) -> Result, NoSolution> { @@ -93,7 +94,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_error_guaranteed_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, _guar: ErrorGuaranteed, ) -> Result, NoSolution> { // FIXME: don't need to enter a probe here. @@ -102,11 +103,11 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn probe_and_match_goal_against_assumption( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, source: CandidateSource<'tcx>, goal: Goal<'tcx, Self>, assumption: ty::Clause<'tcx>, - then: impl FnOnce(&mut EvalCtxt<'_, 'tcx>) -> QueryResult<'tcx>, + then: impl FnOnce(&mut EvalCtxt<'_, InferCtxt<'tcx>>) -> QueryResult<'tcx>, ) -> Result, NoSolution> { if let Some(trait_clause) = assumption.as_trait_clause() { if trait_clause.def_id() == goal.predicate.def_id() @@ -130,7 +131,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_auto_trait_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -173,7 +174,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_trait_alias_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -196,7 +197,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_sized_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -211,7 +212,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_copy_clone_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -226,7 +227,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_pointer_like_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -256,7 +257,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_fn_ptr_trait_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { let self_ty = goal.predicate.self_ty(); @@ -287,7 +288,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_fn_trait_candidates( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, goal_kind: ty::ClosureKind, ) -> Result, NoSolution> { @@ -328,7 +329,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_async_fn_trait_candidates( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, goal_kind: ty::ClosureKind, ) -> Result, NoSolution> { @@ -379,7 +380,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_async_fn_kind_helper_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { let [closure_fn_kind_ty, goal_kind_ty] = **goal.predicate.trait_ref.args else { @@ -406,7 +407,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { /// impl Tuple for (T1, .., Tn) {} /// ``` fn consider_builtin_tuple_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -422,7 +423,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_pointee_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -434,7 +435,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_future_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -460,7 +461,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_iterator_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -486,7 +487,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_fused_iterator_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -510,7 +511,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_async_iterator_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -536,7 +537,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_coroutine_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -568,7 +569,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_discriminant_kind_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -581,7 +582,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_async_destruct_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -594,7 +595,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_destruct_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -610,7 +611,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_transmute_candidate( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -651,7 +652,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { /// impl<'a, T: Trait + 'a> Unsize for T {} /// ``` fn consider_structural_builtin_unsize_candidates( - ecx: &mut EvalCtxt<'_, 'tcx>, + ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Vec> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -722,7 +723,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } } -impl<'tcx> EvalCtxt<'_, 'tcx> { +impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { /// Trait upcasting allows for coercions between trait objects: /// ```ignore (builtin impl example) /// trait Super {} @@ -846,7 +847,7 @@ impl<'tcx> EvalCtxt<'_, 'tcx> { // having any inference side-effects. We process obligations because // unification may initially succeed due to deferred projection equality. let projection_may_match = - |ecx: &mut EvalCtxt<'_, 'tcx>, + |ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, source_projection: ty::PolyExistentialProjection<'tcx>, target_projection: ty::PolyExistentialProjection<'tcx>| { source_projection.item_def_id() == target_projection.item_def_id() @@ -1152,7 +1153,7 @@ impl<'tcx> EvalCtxt<'_, 'tcx> { source: CandidateSource<'tcx>, goal: Goal<'tcx, TraitPredicate<'tcx>>, constituent_tys: impl Fn( - &EvalCtxt<'_, 'tcx>, + &EvalCtxt<'_, InferCtxt<'tcx>>, Ty<'tcx>, ) -> Result>>, NoSolution>, ) -> Result, NoSolution> { From dbfed2c43ec0ceb6c8215786917fc49af5cf511c Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sun, 19 May 2024 20:12:37 -0400 Subject: [PATCH 0259/1716] Add failing test for cross-crate enum in type alias --- tests/rustdoc/auxiliary/cross_crate_generic_typedef.rs | 5 +++++ tests/rustdoc/typedef-inner-variants.rs | 7 +++++++ 2 files changed, 12 insertions(+) diff --git a/tests/rustdoc/auxiliary/cross_crate_generic_typedef.rs b/tests/rustdoc/auxiliary/cross_crate_generic_typedef.rs index f4e020b3b959..d85129a69fc6 100644 --- a/tests/rustdoc/auxiliary/cross_crate_generic_typedef.rs +++ b/tests/rustdoc/auxiliary/cross_crate_generic_typedef.rs @@ -3,3 +3,8 @@ pub struct InlineOne { } pub type InlineU64 = InlineOne; + +pub enum GenericEnum { + Variant(T), + Variant2(T, T), +} diff --git a/tests/rustdoc/typedef-inner-variants.rs b/tests/rustdoc/typedef-inner-variants.rs index d87a1cb6facb..0e65fdaf2afd 100644 --- a/tests/rustdoc/typedef-inner-variants.rs +++ b/tests/rustdoc/typedef-inner-variants.rs @@ -117,3 +117,10 @@ pub type HighlyGenericAABB = HighlyGenericStruct; // @count - '//*[@id="variants"]' 0 // @count - '//*[@id="fields"]' 1 pub use cross_crate_generic_typedef::InlineU64; + +// @has 'inner_variants/type.InlineEnum.html' +// @count - '//*[@id="aliased-type"]' 1 +// @count - '//*[@id="variants"]' 1 +// @count - '//*[@id="fields"]' 0 +// @count - '//*[@class="variant"]' 2 +pub type InlineEnum = cross_crate_generic_typedef::GenericEnum; From 090dbb12f90a3d22183a7250ccad080a8e6d706c Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sun, 19 May 2024 20:12:56 -0400 Subject: [PATCH 0260/1716] Don't strip items with inherited visibility in AliasedNonLocalStripper --- src/librustdoc/passes/strip_aliased_non_local.rs | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/src/librustdoc/passes/strip_aliased_non_local.rs b/src/librustdoc/passes/strip_aliased_non_local.rs index 848cbd5ed99f..ac7d422ec800 100644 --- a/src/librustdoc/passes/strip_aliased_non_local.rs +++ b/src/librustdoc/passes/strip_aliased_non_local.rs @@ -46,8 +46,13 @@ impl<'tcx> DocFolder for NonLocalStripper<'tcx> { // the field and not the one given by the user for the currrent crate. // // FIXME(#125009): Not-local should probably consider same Cargo workspace - if !i.def_id().map_or(true, |did| did.is_local()) { - if i.visibility(self.tcx) != Some(Visibility::Public) || i.is_doc_hidden() { + if let Some(def_id) = i.def_id() + && !def_id.is_local() + { + if i.is_doc_hidden() + // Default to *not* stripping items with inherited visibility. + || i.visibility(self.tcx).map_or(false, |viz| viz != Visibility::Public) + { return Some(strip_item(i)); } } From 5d7eda224e2c87b95a327f9279dbb25b89d24724 Mon Sep 17 00:00:00 2001 From: Joshua Wong Date: Sun, 19 May 2024 19:13:52 -0500 Subject: [PATCH 0261/1716] fix suggestion in E0373 for !Unpin coroutines Coroutines can be prefixed with the `static` keyword to make them `!Unpin`. However, given the following function: ```rust fn check() -> impl Sized { let x = 0; #[coroutine] static || { yield; x } } ``` We currently suggest prefixing `move` before `static`, which is syntactically incorrect: ``` error[E0373]: coroutine may outlive the current function, but it borrows ... --> src/main.rs:6:5 | 6 | static || { | ^^^^^^^^^ may outlive borrowed value `x` 7 | yield; 8 | x | - `x` is borrowed here | note: coroutine is returned here --> src/main.rs:6:5 | 6 | / static || { 7 | | yield; 8 | | x 9 | | } | |_____^ help: to force the coroutine to take ownership of `x` (and any other referenced variables), use the `move` keyword | // this is syntactically incorrect, it should be `static move ||` 6 | move static || { | ++++ ``` This PR suggests adding `move` after `static` for these coroutines. --- compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs index 7802825a1b80..2f1b2ce9c4c7 100644 --- a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs @@ -3343,6 +3343,10 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { } else if string.starts_with("gen") { // `gen` is 3 chars long Some(3) + } else if string.starts_with("static") { + // `static` is 6 chars long + // This is used for `!Unpin` coroutines + Some(6) } else { None }; From 371de042d90f40fe5ec9a172971660da363ff08c Mon Sep 17 00:00:00 2001 From: Joshua Wong Date: Sun, 19 May 2024 19:23:38 -0500 Subject: [PATCH 0262/1716] add ui tests for E0373 suggestion --- .../ui/coroutine/static-move-suggestion.fixed | 19 ++++++++++++++ tests/ui/coroutine/static-move-suggestion.rs | 19 ++++++++++++++ .../coroutine/static-move-suggestion.stderr | 26 +++++++++++++++++++ 3 files changed, 64 insertions(+) create mode 100644 tests/ui/coroutine/static-move-suggestion.fixed create mode 100644 tests/ui/coroutine/static-move-suggestion.rs create mode 100644 tests/ui/coroutine/static-move-suggestion.stderr diff --git a/tests/ui/coroutine/static-move-suggestion.fixed b/tests/ui/coroutine/static-move-suggestion.fixed new file mode 100644 index 000000000000..56445be4715f --- /dev/null +++ b/tests/ui/coroutine/static-move-suggestion.fixed @@ -0,0 +1,19 @@ +//@ run-rustfix + +// check to make sure that we suggest adding `move` after `static` + +#![feature(coroutines)] + +fn check() -> impl Sized { + let x = 0; + #[coroutine] + static move || { + //~^ ERROR E0373 + yield; + x + } +} + +fn main() { + check(); +} diff --git a/tests/ui/coroutine/static-move-suggestion.rs b/tests/ui/coroutine/static-move-suggestion.rs new file mode 100644 index 000000000000..1d6e4a628831 --- /dev/null +++ b/tests/ui/coroutine/static-move-suggestion.rs @@ -0,0 +1,19 @@ +//@ run-rustfix + +// check to make sure that we suggest adding `move` after `static` + +#![feature(coroutines)] + +fn check() -> impl Sized { + let x = 0; + #[coroutine] + static || { + //~^ ERROR E0373 + yield; + x + } +} + +fn main() { + check(); +} diff --git a/tests/ui/coroutine/static-move-suggestion.stderr b/tests/ui/coroutine/static-move-suggestion.stderr new file mode 100644 index 000000000000..6d890468b322 --- /dev/null +++ b/tests/ui/coroutine/static-move-suggestion.stderr @@ -0,0 +1,26 @@ +error[E0373]: coroutine may outlive the current function, but it borrows `x`, which is owned by the current function + --> $DIR/static-move-suggestion.rs:10:5 + | +LL | static || { + | ^^^^^^^^^ may outlive borrowed value `x` +... +LL | x + | - `x` is borrowed here + | +note: coroutine is returned here + --> $DIR/static-move-suggestion.rs:10:5 + | +LL | / static || { +LL | | +LL | | yield; +LL | | x +LL | | } + | |_____^ +help: to force the coroutine to take ownership of `x` (and any other referenced variables), use the `move` keyword + | +LL | static move || { + | ++++ + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0373`. From def6b99b4a8e1362c9271e39de68e63cacac11ec Mon Sep 17 00:00:00 2001 From: Jubilee Young Date: Sun, 19 May 2024 16:52:19 -0700 Subject: [PATCH 0263/1716] move rustc-rust-log test into ui/rustc-env --- .../auxiliary/rust-log-aux.rs} | 0 tests/ui/{rustc-rust-log.rs => rustc-env/rust-log.rs} | 2 +- 2 files changed, 1 insertion(+), 1 deletion(-) rename tests/ui/{auxiliary/rustc-rust-log-aux.rs => rustc-env/auxiliary/rust-log-aux.rs} (100%) rename tests/ui/{rustc-rust-log.rs => rustc-env/rust-log.rs} (88%) diff --git a/tests/ui/auxiliary/rustc-rust-log-aux.rs b/tests/ui/rustc-env/auxiliary/rust-log-aux.rs similarity index 100% rename from tests/ui/auxiliary/rustc-rust-log-aux.rs rename to tests/ui/rustc-env/auxiliary/rust-log-aux.rs diff --git a/tests/ui/rustc-rust-log.rs b/tests/ui/rustc-env/rust-log.rs similarity index 88% rename from tests/ui/rustc-rust-log.rs rename to tests/ui/rustc-env/rust-log.rs index 299b6c40a563..10040754593c 100644 --- a/tests/ui/rustc-rust-log.rs +++ b/tests/ui/rustc-env/rust-log.rs @@ -5,7 +5,7 @@ //@ dont-check-compiler-stdout //@ dont-check-compiler-stderr //@ compile-flags: --error-format human -//@ aux-build: rustc-rust-log-aux.rs +//@ aux-build: rust-log-aux.rs //@ rustc-env:RUSTC_LOG=debug fn main() {} From 9985821b2fe20a969b799ec920563170fcc45d8f Mon Sep 17 00:00:00 2001 From: Jubilee Young Date: Sun, 19 May 2024 17:25:25 -0700 Subject: [PATCH 0264/1716] defrost RUST_MIN_STACK=ice rustc hello.rs An earlier commit included the change for a suggestion here. Unfortunately, it also used unwrap instead of dying properly. Roll out the ~~rice paper~~ EarlyDiagCtxt before we do anything that might leave a mess. --- compiler/rustc_interface/src/interface.rs | 1 + compiler/rustc_interface/src/util.rs | 35 ++++++++++++++++------ tests/ui/rustc-env/README.md | 6 ++++ tests/ui/rustc-env/min-stack-banana.rs | 2 ++ tests/ui/rustc-env/min-stack-banana.stderr | 2 ++ 5 files changed, 37 insertions(+), 9 deletions(-) create mode 100644 tests/ui/rustc-env/README.md create mode 100644 tests/ui/rustc-env/min-stack-banana.rs create mode 100644 tests/ui/rustc-env/min-stack-banana.stderr diff --git a/compiler/rustc_interface/src/interface.rs b/compiler/rustc_interface/src/interface.rs index 55304bbbd922..d43be6cebcb2 100644 --- a/compiler/rustc_interface/src/interface.rs +++ b/compiler/rustc_interface/src/interface.rs @@ -389,6 +389,7 @@ pub fn run_compiler(config: Config, f: impl FnOnce(&Compiler) -> R + Se let hash_kind = config.opts.unstable_opts.src_hash_algorithm(&target); util::run_in_thread_pool_with_globals( + &early_dcx, config.opts.edition, config.opts.unstable_opts.threads, SourceMapInputs { file_loader, path_mapping, hash_kind }, diff --git a/compiler/rustc_interface/src/util.rs b/compiler/rustc_interface/src/util.rs index ce4d38250152..f549ae49012e 100644 --- a/compiler/rustc_interface/src/util.rs +++ b/compiler/rustc_interface/src/util.rs @@ -51,20 +51,32 @@ pub fn add_configuration(cfg: &mut Cfg, sess: &mut Session, codegen_backend: &dy pub static STACK_SIZE: OnceLock = OnceLock::new(); pub const DEFAULT_STACK_SIZE: usize = 8 * 1024 * 1024; -fn init_stack_size() -> usize { +fn init_stack_size(early_dcx: &EarlyDiagCtxt) -> usize { // Obey the environment setting or default *STACK_SIZE.get_or_init(|| { env::var_os("RUST_MIN_STACK") - .map(|os_str| os_str.to_string_lossy().into_owned()) - // ignore if it is set to nothing - .filter(|s| s.trim() != "") - .map(|s| s.trim().parse::().unwrap()) + .as_ref() + .map(|os_str| os_str.to_string_lossy()) + // if someone finds out `export RUST_MIN_STACK=640000` isn't enough stack + // they might try to "unset" it by running `RUST_MIN_STACK= rustc code.rs` + // this is wrong, but std would nonetheless "do what they mean", so let's do likewise + .filter(|s| !s.trim().is_empty()) + // rustc is a batch program, so error early on inputs which are unlikely to be intended + // so no one thinks we parsed them setting `RUST_MIN_STACK="64 megabytes"` + // FIXME: we could accept `RUST_MIN_STACK=64MB`, perhaps? + .map(|s| { + s.trim().parse::().unwrap_or_else(|_| { + #[allow(rustc::untranslatable_diagnostic)] + early_dcx.early_fatal("`RUST_MIN_STACK` should be unset or a number of bytes") + }) + }) // otherwise pick a consistent default .unwrap_or(DEFAULT_STACK_SIZE) }) } fn run_in_thread_with_globals R + Send, R: Send>( + thread_stack_size: usize, edition: Edition, sm_inputs: SourceMapInputs, f: F, @@ -75,7 +87,7 @@ fn run_in_thread_with_globals R + Send, R: Send>( // the parallel compiler, in particular to ensure there is no accidental // sharing of data between the main thread and the compilation thread // (which might cause problems for the parallel compiler). - let builder = thread::Builder::new().name("rustc".to_string()).stack_size(init_stack_size()); + let builder = thread::Builder::new().name("rustc".to_string()).stack_size(thread_stack_size); // We build the session globals and run `f` on the spawned thread, because // `SessionGlobals` does not impl `Send` in the non-parallel compiler. @@ -100,16 +112,19 @@ fn run_in_thread_with_globals R + Send, R: Send>( #[cfg(not(parallel_compiler))] pub(crate) fn run_in_thread_pool_with_globals R + Send, R: Send>( + thread_builder_diag: &EarlyDiagCtxt, edition: Edition, _threads: usize, sm_inputs: SourceMapInputs, f: F, ) -> R { - run_in_thread_with_globals(edition, sm_inputs, f) + let thread_stack_size = init_stack_size(thread_builder_diag); + run_in_thread_with_globals(thread_stack_size, edition, sm_inputs, f) } #[cfg(parallel_compiler)] pub(crate) fn run_in_thread_pool_with_globals R + Send, R: Send>( + thread_builder_diag: &EarlyDiagCtxt, edition: Edition, threads: usize, sm_inputs: SourceMapInputs, @@ -121,10 +136,12 @@ pub(crate) fn run_in_thread_pool_with_globals R + Send, use rustc_query_system::query::{break_query_cycles, QueryContext}; use std::process; + let thread_stack_size = init_stack_size(thread_builder_diag); + let registry = sync::Registry::new(std::num::NonZero::new(threads).unwrap()); if !sync::is_dyn_thread_safe() { - return run_in_thread_with_globals(edition, sm_inputs, |current_gcx| { + return run_in_thread_with_globals(thread_stack_size, edition, sm_inputs, |current_gcx| { // Register the thread for use with the `WorkerLocal` type. registry.register(); @@ -167,7 +184,7 @@ pub(crate) fn run_in_thread_pool_with_globals R + Send, }) .unwrap(); }) - .stack_size(init_stack_size()); + .stack_size(thread_stack_size); // We create the session globals on the main thread, then create the thread // pool. Upon creation, each worker thread created gets a copy of the diff --git a/tests/ui/rustc-env/README.md b/tests/ui/rustc-env/README.md new file mode 100644 index 000000000000..ff674f3e6cc3 --- /dev/null +++ b/tests/ui/rustc-env/README.md @@ -0,0 +1,6 @@ +Some environment variables affect rustc's behavior not because they are major compiler interfaces +but rather because rustc is, ultimately, a Rust program, with debug logging, stack control, etc. + +Prefer to group tests that use environment variables to control something about rustc's core UX, +like "can we parse this number of parens if we raise RUST_MIN_STACK?" with related code for that +compiler feature. diff --git a/tests/ui/rustc-env/min-stack-banana.rs b/tests/ui/rustc-env/min-stack-banana.rs new file mode 100644 index 000000000000..abbb68437100 --- /dev/null +++ b/tests/ui/rustc-env/min-stack-banana.rs @@ -0,0 +1,2 @@ +//@ rustc-env:RUST_MIN_STACK=banana +fn main() {} diff --git a/tests/ui/rustc-env/min-stack-banana.stderr b/tests/ui/rustc-env/min-stack-banana.stderr new file mode 100644 index 000000000000..a8b46d8ae446 --- /dev/null +++ b/tests/ui/rustc-env/min-stack-banana.stderr @@ -0,0 +1,2 @@ +error: `RUST_MIN_STACK` should be unset or a number of bytes + From 1185a6486c1a982a0d39880f2e389bd2cb35f078 Mon Sep 17 00:00:00 2001 From: Jubilee Young Date: Sun, 19 May 2024 18:48:06 -0700 Subject: [PATCH 0265/1716] miri: support simd_ctpop --- src/tools/miri/src/intrinsics/simd.rs | 2 ++ .../miri/tests/pass/intrinsics/portable-simd.rs | 15 +++++++++++++++ 2 files changed, 17 insertions(+) diff --git a/src/tools/miri/src/intrinsics/simd.rs b/src/tools/miri/src/intrinsics/simd.rs index d0a78429ca85..5c7132e9e609 100644 --- a/src/tools/miri/src/intrinsics/simd.rs +++ b/src/tools/miri/src/intrinsics/simd.rs @@ -42,6 +42,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { | "flog2" | "flog10" | "ctlz" + | "ctpop" | "cttz" | "bswap" | "bitreverse" @@ -68,6 +69,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { "round" => Op::Round(rustc_apfloat::Round::NearestTiesToAway), "trunc" => Op::Round(rustc_apfloat::Round::TowardZero), "ctlz" => Op::Numeric(sym::ctlz), + "ctpop" => Op::Numeric(sym::ctpop), "cttz" => Op::Numeric(sym::cttz), "bswap" => Op::Numeric(sym::bswap), "bitreverse" => Op::Numeric(sym::bitreverse), diff --git a/src/tools/miri/tests/pass/intrinsics/portable-simd.rs b/src/tools/miri/tests/pass/intrinsics/portable-simd.rs index 1fc713d48dcc..248a57d68504 100644 --- a/src/tools/miri/tests/pass/intrinsics/portable-simd.rs +++ b/src/tools/miri/tests/pass/intrinsics/portable-simd.rs @@ -505,6 +505,21 @@ fn simd_intrinsics() { assert!(simd_reduce_all(i32x4::splat(-1))); assert!(!simd_reduce_all(i32x2::from_array([0, -1]))); + assert_eq!( + simd_ctlz(i32x4::from_array([0, i32::MAX, i32::MIN, -1_i32])), + i32x4::from_array([32, 1, 0, 0]) + ); + + assert_eq!( + simd_ctpop(i32x4::from_array([0, i32::MAX, i32::MIN, -1_i32])), + i32x4::from_array([0, 31, 1, 32]) + ); + + assert_eq!( + simd_cttz(i32x4::from_array([0, i32::MAX, i32::MIN, -1_i32])), + i32x4::from_array([32, 0, 31, 0]) + ); + assert_eq!( simd_select(i8x4::from_array([0, -1, -1, 0]), a, b), i32x4::from_array([1, 10, 10, 4]) From 9557b903b8dec3873bf93f68b65248e3e4374cfd Mon Sep 17 00:00:00 2001 From: Jubilee Young Date: Sun, 19 May 2024 18:50:42 -0700 Subject: [PATCH 0266/1716] cg_clif: support simd_ctpop --- compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs | 2 ++ 1 file changed, 2 insertions(+) diff --git a/compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs b/compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs index 452b5988dab4..b17f191ce267 100644 --- a/compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs +++ b/compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs @@ -348,6 +348,7 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>( | sym::simd_bswap | sym::simd_bitreverse | sym::simd_ctlz + | sym::simd_ctpop | sym::simd_cttz => { intrinsic_args!(fx, args => (a); intrinsic); @@ -367,6 +368,7 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>( (ty::Uint(_) | ty::Int(_), sym::simd_bswap) => fx.bcx.ins().bswap(lane), (ty::Uint(_) | ty::Int(_), sym::simd_bitreverse) => fx.bcx.ins().bitrev(lane), (ty::Uint(_) | ty::Int(_), sym::simd_ctlz) => fx.bcx.ins().clz(lane), + (ty::Uint(_) | ty::Int(_), sym::simd_ctpop) => fx.bcx.ins().popcnt(lane), (ty::Uint(_) | ty::Int(_), sym::simd_cttz) => fx.bcx.ins().ctz(lane), _ => unreachable!(), From 213351ae9e7d6745a70457925546cd032d4f0c51 Mon Sep 17 00:00:00 2001 From: Jubilee Young Date: Sun, 19 May 2024 19:04:03 -0700 Subject: [PATCH 0267/1716] clarify the second arg to llvm.ctlz and cttz --- compiler/rustc_codegen_llvm/src/intrinsic.rs | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/compiler/rustc_codegen_llvm/src/intrinsic.rs b/compiler/rustc_codegen_llvm/src/intrinsic.rs index 7e6d7491798b..80e863af893e 100644 --- a/compiler/rustc_codegen_llvm/src/intrinsic.rs +++ b/compiler/rustc_codegen_llvm/src/intrinsic.rs @@ -2368,16 +2368,16 @@ fn generic_simd_intrinsic<'ll, 'tcx>( // byte swap is no-op for i8/u8 sym::simd_bswap if int_size == 8 => Ok(args[0].immediate()), sym::simd_ctlz | sym::simd_cttz => { - // this fun bonus i1 arg means "poison if the arg vector contains zero" + // for the (int, i1 immediate) pair, the second arg adds `(0, true) => poison` let fn_ty = bx.type_func(&[vec_ty, bx.type_i1()], vec_ty); + let dont_poison_on_zero = bx.const_int(bx.type_i1(), 0); let f = bx.declare_cfn(llvm_intrinsic, llvm::UnnamedAddr::No, fn_ty); Ok(bx.call( fn_ty, None, None, f, - // simd_ctlz and simd_cttz are exposed to safe code, so let's not poison anything - &[args[0].immediate(), bx.const_int(bx.type_i1(), 0)], + &[args[0].immediate(), dont_poison_on_zero], None, None, )) From 38ad85160314b446a08705974d3b03cc29c338c9 Mon Sep 17 00:00:00 2001 From: Mads Marquart Date: Mon, 20 May 2024 04:54:27 +0200 Subject: [PATCH 0268/1716] Make NULL check in argument parsing the same on all unix platforms --- library/std/src/sys/pal/unix/args.rs | 138 ++++++++++++--------------- 1 file changed, 63 insertions(+), 75 deletions(-) diff --git a/library/std/src/sys/pal/unix/args.rs b/library/std/src/sys/pal/unix/args.rs index b7e8534eea83..db2ec73148e3 100644 --- a/library/std/src/sys/pal/unix/args.rs +++ b/library/std/src/sys/pal/unix/args.rs @@ -5,8 +5,9 @@ #![allow(dead_code)] // runtime init functions not used during testing -use crate::ffi::OsString; +use crate::ffi::{CStr, OsString}; use crate::fmt; +use crate::os::unix::ffi::OsStringExt; use crate::vec; /// One-time global initialization. @@ -16,7 +17,46 @@ pub unsafe fn init(argc: isize, argv: *const *const u8) { /// Returns the command line arguments pub fn args() -> Args { - imp::args() + let (argc, argv) = imp::argc_argv(); + + let mut vec = Vec::with_capacity(argc as usize); + + for i in 0..argc { + // SAFETY: `argv` is non-null if `argc` is positive, and it is + // guaranteed to be at least as long as `argc`, so reading from it + // should be safe. + let ptr = unsafe { argv.offset(i).read() }; + + // Some C commandline parsers (e.g. GLib and Qt) are replacing already + // handled arguments in `argv` with `NULL` and move them to the end. + // + // Since they can't directly ensure updates to `argc` as well, this + // means that `argc` might be bigger than the actual number of + // non-`NULL` pointers in `argv` at this point. + // + // To handle this we simply stop iterating at the first `NULL` + // argument. `argv` is also guaranteed to be `NULL`-terminated so any + // non-`NULL` arguments after the first `NULL` can safely be ignored. + if ptr.is_null() { + // NOTE: On Apple platforms, `-[NSProcessInfo arguments]` does not + // stop iterating here, but instead `continue`, always iterating + // up until it reached `argc`. + // + // This difference will only matter in very specific circumstances + // where `argc`/`argv` have been modified, but in unexpected ways, + // so it likely doesn't really matter which option we choose. + // See the following PR for further discussion: + // + break; + } + + // SAFETY: Just checked that the pointer is not NULL, and arguments + // are otherwise guaranteed to be valid C strings. + let cstr = unsafe { CStr::from_ptr(ptr) }; + vec.push(OsStringExt::from_vec(cstr.to_bytes().to_vec())); + } + + Args { iter: vec.into_iter() } } pub struct Args { @@ -75,9 +115,7 @@ impl DoubleEndedIterator for Args { target_os = "hurd", ))] mod imp { - use super::Args; - use crate::ffi::{CStr, OsString}; - use crate::os::unix::prelude::*; + use crate::ffi::c_char; use crate::ptr; use crate::sync::atomic::{AtomicIsize, AtomicPtr, Ordering}; @@ -126,45 +164,19 @@ mod imp { init_wrapper }; - pub fn args() -> Args { - Args { iter: clone().into_iter() } - } + pub fn argc_argv() -> (isize, *const *const c_char) { + // Load ARGC and ARGV, which hold the unmodified system-provided + // argc/argv, so we can read the pointed-to memory without atomics or + // synchronization. + // + // If either ARGC or ARGV is still zero or null, then either there + // really are no arguments, or someone is asking for `args()` before + // initialization has completed, and we return an empty list. + let argv = ARGV.load(Ordering::Relaxed); + let argc = if argv.is_null() { 0 } else { ARGC.load(Ordering::Relaxed) }; - fn clone() -> Vec { - unsafe { - // Load ARGC and ARGV, which hold the unmodified system-provided - // argc/argv, so we can read the pointed-to memory without atomics - // or synchronization. - // - // If either ARGC or ARGV is still zero or null, then either there - // really are no arguments, or someone is asking for `args()` - // before initialization has completed, and we return an empty - // list. - let argv = ARGV.load(Ordering::Relaxed); - let argc = if argv.is_null() { 0 } else { ARGC.load(Ordering::Relaxed) }; - let mut args = Vec::with_capacity(argc as usize); - for i in 0..argc { - let ptr = *argv.offset(i) as *const libc::c_char; - - // Some C commandline parsers (e.g. GLib and Qt) are replacing already - // handled arguments in `argv` with `NULL` and move them to the end. That - // means that `argc` might be bigger than the actual number of non-`NULL` - // pointers in `argv` at this point. - // - // To handle this we simply stop iterating at the first `NULL` argument. - // - // `argv` is also guaranteed to be `NULL`-terminated so any non-`NULL` arguments - // after the first `NULL` can safely be ignored. - if ptr.is_null() { - break; - } - - let cstr = CStr::from_ptr(ptr); - args.push(OsStringExt::from_vec(cstr.to_bytes().to_vec())); - } - - args - } + // Cast from `*mut *const u8` to `*const *const c_char` + (argc, argv.cast()) } } @@ -183,16 +195,14 @@ mod imp { // of this used `[[NSProcessInfo processInfo] arguments]`. #[cfg(target_vendor = "apple")] mod imp { - use super::Args; - use crate::ffi::{c_char, c_int, CStr}; - use crate::os::unix::prelude::*; + use crate::ffi::{c_char, c_int}; pub unsafe fn init(_argc: isize, _argv: *const *const u8) { // No need to initialize anything in here, `libdyld.dylib` has already // done the work for us. } - pub fn args() -> Args { + pub fn argc_argv() -> (isize, *const *const c_char) { extern "C" { // These functions are in crt_externs.h. fn _NSGetArgc() -> *mut c_int; @@ -212,42 +222,20 @@ mod imp { // SAFETY: Same as above. let argv = unsafe { _NSGetArgv().read() }; - let mut vec = Vec::with_capacity(argc as usize); - - for i in 0..argc { - // SAFETY: `argv` is at least as long as `argc`, so reading from - // it should be safe. - let ptr = unsafe { argv.offset(i as isize).read() }; - - // Entries may have been removed from `argv` by setting them to - // NULL, without updating `argc`. - if ptr.is_null() { - // We continue instead of break here, as an argument may have - // been set to `NULL` in the middle, instead of at the end of - // the list. - // - // This is the same as what `-[NSProcessInfo arguments]` does. - continue; - } - - // SAFETY: Just checked that the pointer is not NULL, and - // arguments are otherwise guaranteed to be valid C strings. - let cstr = unsafe { CStr::from_ptr(ptr) }; - vec.push(OsStringExt::from_vec(cstr.to_bytes().to_vec())); - } - - Args { iter: vec.into_iter() } + // Cast from `*mut *mut c_char` to `*const *const c_char` + (argc as isize, argv.cast()) } } #[cfg(any(target_os = "espidf", target_os = "vita"))] mod imp { - use super::Args; + use crate::ffi::c_char; + use crate::ptr; #[inline(always)] pub unsafe fn init(_argc: isize, _argv: *const *const u8) {} - pub fn args() -> Args { - Args { iter: Vec::new().into_iter() } + pub fn argc_argv() -> (isize, *const *const c_char) { + (0, ptr::null()) } } From 37a37f6ab33efea6d44a53853cb4ae00efcfde57 Mon Sep 17 00:00:00 2001 From: marc0246 <40955683+marc0246@users.noreply.github.com> Date: Mon, 20 May 2024 05:09:01 +0200 Subject: [PATCH 0269/1716] Use `throw_unsup_format` instead of returning `ENOTSUP` in the mmap shim --- src/tools/miri/src/shims/unix/mem.rs | 27 ++++++++++--------- src/tools/miri/tests/pass-dep/libc/mmap.rs | 30 ---------------------- 2 files changed, 15 insertions(+), 42 deletions(-) diff --git a/src/tools/miri/src/shims/unix/mem.rs b/src/tools/miri/src/shims/unix/mem.rs index 0254735ac138..38e689a3c341 100644 --- a/src/tools/miri/src/shims/unix/mem.rs +++ b/src/tools/miri/src/shims/unix/mem.rs @@ -71,24 +71,27 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { throw_unsup_format!("Miri does not support file-backed memory mappings"); } - // POSIX says: - // [ENOTSUP] - // * MAP_FIXED or MAP_PRIVATE was specified in the flags argument and the implementation - // does not support this functionality. - // * The implementation does not support the combination of accesses requested in the - // prot argument. - // - // Miri doesn't support MAP_FIXED or any any protections other than PROT_READ|PROT_WRITE. - if flags & map_fixed != 0 || prot != prot_read | prot_write { - this.set_last_error(this.eval_libc("ENOTSUP"))?; - return Ok(this.eval_libc("MAP_FAILED")); + // Miri doesn't support MAP_FIXED. + if flags & map_fixed != 0 { + throw_unsup_format!( + "Miri does not support calls to mmap with MAP_FIXED as part of the flags argument", + ); + } + + // Miri doesn't support protections other than PROT_READ|PROT_WRITE. + if prot != prot_read | prot_write { + throw_unsup_format!( + "Miri does not support calls to mmap with protections other than \ + PROT_READ|PROT_WRITE", + ); } // Miri does not support shared mappings, or any of the other extensions that for example // Linux has added to the flags arguments. if flags != map_private | map_anonymous { throw_unsup_format!( - "Miri only supports calls to mmap which set the flags argument to MAP_PRIVATE|MAP_ANONYMOUS" + "Miri only supports calls to mmap which set the flags argument to \ + MAP_PRIVATE|MAP_ANONYMOUS", ); } diff --git a/src/tools/miri/tests/pass-dep/libc/mmap.rs b/src/tools/miri/tests/pass-dep/libc/mmap.rs index a0787c689077..fd874dbe89e5 100644 --- a/src/tools/miri/tests/pass-dep/libc/mmap.rs +++ b/src/tools/miri/tests/pass-dep/libc/mmap.rs @@ -69,36 +69,6 @@ fn test_mmap( assert_eq!(ptr, libc::MAP_FAILED); assert_eq!(Error::last_os_error().raw_os_error().unwrap(), libc::EINVAL); - let ptr = unsafe { - mmap( - ptr::without_provenance_mut(page_size * 64), - page_size, - libc::PROT_READ | libc::PROT_WRITE, - // We don't support MAP_FIXED - libc::MAP_PRIVATE | libc::MAP_ANONYMOUS | libc::MAP_FIXED, - -1, - Default::default(), - ) - }; - assert_eq!(ptr, libc::MAP_FAILED); - assert_eq!(Error::last_os_error().raw_os_error().unwrap(), libc::ENOTSUP); - - // We don't support protections other than read+write - for prot in [libc::PROT_NONE, libc::PROT_EXEC, libc::PROT_READ, libc::PROT_WRITE] { - let ptr = unsafe { - mmap( - ptr::null_mut(), - page_size, - prot, - libc::MAP_PRIVATE | libc::MAP_ANONYMOUS, - -1, - Default::default(), - ) - }; - assert_eq!(ptr, libc::MAP_FAILED); - assert_eq!(Error::last_os_error().raw_os_error().unwrap(), libc::ENOTSUP); - } - // We report an error for mappings whose length cannot be rounded up to a multiple of // the page size. let ptr = unsafe { From b6d0d6da553d3836767b484530b23ad89807f470 Mon Sep 17 00:00:00 2001 From: Jubilee Young Date: Sun, 19 May 2024 19:59:06 -0700 Subject: [PATCH 0270/1716] note value of RUST_MIN_STACK and explain unsetting --- compiler/rustc_interface/src/util.rs | 12 +++++++++--- tests/ui/rustc-env/min-stack-banana.stderr | 4 +++- 2 files changed, 12 insertions(+), 4 deletions(-) diff --git a/compiler/rustc_interface/src/util.rs b/compiler/rustc_interface/src/util.rs index f549ae49012e..ce2382b95019 100644 --- a/compiler/rustc_interface/src/util.rs +++ b/compiler/rustc_interface/src/util.rs @@ -65,9 +65,15 @@ fn init_stack_size(early_dcx: &EarlyDiagCtxt) -> usize { // so no one thinks we parsed them setting `RUST_MIN_STACK="64 megabytes"` // FIXME: we could accept `RUST_MIN_STACK=64MB`, perhaps? .map(|s| { - s.trim().parse::().unwrap_or_else(|_| { - #[allow(rustc::untranslatable_diagnostic)] - early_dcx.early_fatal("`RUST_MIN_STACK` should be unset or a number of bytes") + let s = s.trim(); + // FIXME(workingjubilee): add proper diagnostics when we factor out "pre-run" setup + #[allow(rustc::untranslatable_diagnostic, rustc::diagnostic_outside_of_impl)] + s.parse::().unwrap_or_else(|_| { + let mut err = early_dcx.early_struct_fatal(format!( + r#"`RUST_MIN_STACK` should be a number of bytes, but was "{s}""#, + )); + err.note("you can also unset `RUST_MIN_STACK` to use the default stack size"); + err.emit() }) }) // otherwise pick a consistent default diff --git a/tests/ui/rustc-env/min-stack-banana.stderr b/tests/ui/rustc-env/min-stack-banana.stderr index a8b46d8ae446..d379367ab4f7 100644 --- a/tests/ui/rustc-env/min-stack-banana.stderr +++ b/tests/ui/rustc-env/min-stack-banana.stderr @@ -1,2 +1,4 @@ -error: `RUST_MIN_STACK` should be unset or a number of bytes +error: `RUST_MIN_STACK` should be a number of bytes, but was "banana" + | + = note: you can also unset `RUST_MIN_STACK` to use the default stack size From 6b3058204a91bb21e2aa845fedfab85a68f75b94 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sun, 19 May 2024 23:45:25 -0400 Subject: [PATCH 0271/1716] Force the inner coroutine of an async closure to `move` if the outer closure is `move` and `FnOnce` --- compiler/rustc_hir_typeck/src/upvar.rs | 89 ++++++++++++------- .../force-move-due-to-actually-fnonce.rs | 27 ++++++ .../force-move-due-to-inferred-kind.rs | 24 +++++ 3 files changed, 109 insertions(+), 31 deletions(-) create mode 100644 tests/ui/async-await/async-closures/force-move-due-to-actually-fnonce.rs create mode 100644 tests/ui/async-await/async-closures/force-move-due-to-inferred-kind.rs diff --git a/compiler/rustc_hir_typeck/src/upvar.rs b/compiler/rustc_hir_typeck/src/upvar.rs index 9d16f0d48159..e29a410e2e54 100644 --- a/compiler/rustc_hir_typeck/src/upvar.rs +++ b/compiler/rustc_hir_typeck/src/upvar.rs @@ -204,6 +204,60 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { fake_reads: Default::default(), }; + let _ = euv::ExprUseVisitor::new( + &FnCtxt::new(self, self.tcx.param_env(closure_def_id), closure_def_id), + &mut delegate, + ) + .consume_body(body); + + // There are several curious situations with coroutine-closures where + // analysis is too aggressive with borrows when the coroutine-closure is + // marked `move`. Specifically: + // + // 1. If the coroutine-closure was inferred to be `FnOnce` during signature + // inference, then it's still possible that we try to borrow upvars from + // the coroutine-closure because they are not used by the coroutine body + // in a way that forces a move. See the test: + // `async-await/async-closures/force-move-due-to-inferred-kind.rs`. + // + // 2. If the coroutine-closure is forced to be `FnOnce` due to the way it + // uses its upvars, but not *all* upvars would force the closure to `FnOnce`. + // See the test: `async-await/async-closures/force-move-due-to-actually-fnonce.rs`. + // + // This would lead to an impossible to satisfy situation, since `AsyncFnOnce` + // coroutine bodies can't borrow from their parent closure. To fix this, + // we force the inner coroutine to also be `move`. This only matters for + // coroutine-closures that are `move` since otherwise they themselves will + // be borrowing from the outer environment, so there's no self-borrows occuring. + // + // One *important* note is that we do a call to `process_collected_capture_information` + // to eagerly test whether the coroutine would end up `FnOnce`, but we do this + // *before* capturing all the closure args by-value below, since that would always + // cause the analysis to return `FnOnce`. + if let UpvarArgs::Coroutine(..) = args + && let hir::CoroutineKind::Desugared(_, hir::CoroutineSource::Closure) = + self.tcx.coroutine_kind(closure_def_id).expect("coroutine should have kind") + && let parent_hir_id = + self.tcx.local_def_id_to_hir_id(self.tcx.local_parent(closure_def_id)) + && let parent_ty = self.node_ty(parent_hir_id) + && let hir::CaptureBy::Value { move_kw } = + self.tcx.hir_node(parent_hir_id).expect_closure().capture_clause + { + // (1.) Closure signature inference forced this closure to `FnOnce`. + if let Some(ty::ClosureKind::FnOnce) = self.closure_kind(parent_ty) { + capture_clause = hir::CaptureBy::Value { move_kw }; + } + // (2.) The way that the closure uses its upvars means it's `FnOnce`. + else if let (_, ty::ClosureKind::FnOnce, _) = self + .process_collected_capture_information( + capture_clause, + &delegate.capture_information, + ) + { + capture_clause = hir::CaptureBy::Value { move_kw }; + } + } + // As noted in `lower_coroutine_body_with_moved_arguments`, we default the capture mode // to `ByRef` for the `async {}` block internal to async fns/closure. This means // that we would *not* be moving all of the parameters into the async block by default. @@ -253,34 +307,6 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } } - let _ = euv::ExprUseVisitor::new( - &FnCtxt::new(self, self.tcx.param_env(closure_def_id), closure_def_id), - &mut delegate, - ) - .consume_body(body); - - // If a coroutine is comes from a coroutine-closure that is `move`, but - // the coroutine-closure was inferred to be `FnOnce` during signature - // inference, then it's still possible that we try to borrow upvars from - // the coroutine-closure because they are not used by the coroutine body - // in a way that forces a move. - // - // This would lead to an impossible to satisfy situation, since `AsyncFnOnce` - // coroutine bodies can't borrow from their parent closure. To fix this, - // we force the inner coroutine to also be `move`. This only matters for - // coroutine-closures that are `move` since otherwise they themselves will - // be borrowing from the outer environment, so there's no self-borrows occuring. - if let UpvarArgs::Coroutine(..) = args - && let hir::CoroutineKind::Desugared(_, hir::CoroutineSource::Closure) = - self.tcx.coroutine_kind(closure_def_id).expect("coroutine should have kind") - && let parent_hir_id = - self.tcx.local_def_id_to_hir_id(self.tcx.local_parent(closure_def_id)) - && let parent_ty = self.node_ty(parent_hir_id) - && let Some(ty::ClosureKind::FnOnce) = self.closure_kind(parent_ty) - { - capture_clause = self.tcx.hir_node(parent_hir_id).expect_closure().capture_clause; - } - debug!( "For closure={:?}, capture_information={:#?}", closure_def_id, delegate.capture_information @@ -289,7 +315,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { self.log_capture_analysis_first_pass(closure_def_id, &delegate.capture_information, span); let (capture_information, closure_kind, origin) = self - .process_collected_capture_information(capture_clause, delegate.capture_information); + .process_collected_capture_information(capture_clause, &delegate.capture_information); self.compute_min_captures(closure_def_id, capture_information, span); @@ -545,13 +571,14 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { fn process_collected_capture_information( &self, capture_clause: hir::CaptureBy, - capture_information: InferredCaptureInformation<'tcx>, + capture_information: &InferredCaptureInformation<'tcx>, ) -> (InferredCaptureInformation<'tcx>, ty::ClosureKind, Option<(Span, Place<'tcx>)>) { let mut closure_kind = ty::ClosureKind::LATTICE_BOTTOM; let mut origin: Option<(Span, Place<'tcx>)> = None; let processed = capture_information - .into_iter() + .iter() + .cloned() .map(|(place, mut capture_info)| { // Apply rules for safety before inferring closure kind let (place, capture_kind) = diff --git a/tests/ui/async-await/async-closures/force-move-due-to-actually-fnonce.rs b/tests/ui/async-await/async-closures/force-move-due-to-actually-fnonce.rs new file mode 100644 index 000000000000..ce49f55e3e30 --- /dev/null +++ b/tests/ui/async-await/async-closures/force-move-due-to-actually-fnonce.rs @@ -0,0 +1,27 @@ +//@ aux-build:block-on.rs +//@ edition:2021 +//@ check-pass + +#![feature(async_closure)] + +extern crate block_on; + +fn consume(_: String) {} + +fn main() { + block_on::block_on(async { + let x = 1i32; + let s = String::new(); + // `consume(s)` pulls the closure's kind down to `FnOnce`, + // which means that we don't treat the borrow of `x` as a + // self-borrow (with `'env` lifetime). This leads to a lifetime + // error which is solved by forcing the inner coroutine to + // be `move` as well, so that it moves `x`. + let c = async move || { + println!("{x}"); + // This makes the closure FnOnce... + consume(s); + }; + c().await; + }); +} diff --git a/tests/ui/async-await/async-closures/force-move-due-to-inferred-kind.rs b/tests/ui/async-await/async-closures/force-move-due-to-inferred-kind.rs new file mode 100644 index 000000000000..803c990ef93f --- /dev/null +++ b/tests/ui/async-await/async-closures/force-move-due-to-inferred-kind.rs @@ -0,0 +1,24 @@ +//@ aux-build:block-on.rs +//@ edition:2021 +//@ check-pass + +#![feature(async_closure)] + +extern crate block_on; + +fn force_fnonce(t: T) -> T { t } + +fn main() { + block_on::block_on(async { + let x = 1i32; + // `force_fnonce` pulls the closure's kind down to `FnOnce`, + // which means that we don't treat the borrow of `x` as a + // self-borrow (with `'env` lifetime). This leads to a lifetime + // error which is solved by forcing the inner coroutine to + // be `move` as well, so that it moves `x`. + let c = force_fnonce(async move || { + println!("{x}"); + }); + c().await; + }); +} From 4654e87d4c6c80f737d486ae15c0eeebb77269ed Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Mon, 20 May 2024 15:01:59 +1000 Subject: [PATCH 0272/1716] Fix `tests/debuginfo/strings-and-strs`. It fails on my machine because it embeds pointer addresses in the expected output. This commit replaces the addresses with `0x[...]`. --- tests/debuginfo/strings-and-strs.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tests/debuginfo/strings-and-strs.rs b/tests/debuginfo/strings-and-strs.rs index 48d40d167bad..4a6adc2fc533 100644 --- a/tests/debuginfo/strings-and-strs.rs +++ b/tests/debuginfo/strings-and-strs.rs @@ -7,7 +7,7 @@ // gdb-command:run // gdb-command:print plain_string -// gdbr-check:$1 = alloc::string::String {vec: alloc::vec::Vec {buf: alloc::raw_vec::RawVec {ptr: core::ptr::unique::Unique {pointer: core::ptr::non_null::NonNull {pointer: 0x55555555ab80}, _marker: core::marker::PhantomData}, cap: alloc::raw_vec::Cap (5), alloc: alloc::alloc::Global}, len: 5}} +// gdbr-check:$1 = alloc::string::String {vec: alloc::vec::Vec {buf: alloc::raw_vec::RawVec {ptr: core::ptr::unique::Unique {pointer: core::ptr::non_null::NonNull {pointer: 0x[...]}, _marker: core::marker::PhantomData}, cap: alloc::raw_vec::Cap (5), alloc: alloc::alloc::Global}, len: 5}} // gdb-command:print plain_str // gdbr-check:$2 = "Hello" @@ -19,7 +19,7 @@ // gdbr-check:$4 = ("Hello", "World") // gdb-command:print str_in_rc -// gdbr-check:$5 = alloc::rc::Rc<&str, alloc::alloc::Global> {ptr: core::ptr::non_null::NonNull> {pointer: 0x55555555aae0}, phantom: core::marker::PhantomData>, alloc: alloc::alloc::Global} +// gdbr-check:$5 = alloc::rc::Rc<&str, alloc::alloc::Global> {ptr: core::ptr::non_null::NonNull> {pointer: 0x[...]}, phantom: core::marker::PhantomData>, alloc: alloc::alloc::Global} // === LLDB TESTS ================================================================================== From 86158f581d20948507bef65e6162e3bbf5f4fa91 Mon Sep 17 00:00:00 2001 From: Caleb Zulawski Date: Mon, 20 May 2024 01:09:29 -0400 Subject: [PATCH 0273/1716] Make repr(packed) vectors work with SIMD intrinsics --- compiler/rustc_codegen_llvm/src/intrinsic.rs | 49 +++++++++++++++++++- tests/ui/simd/repr_packed.rs | 18 ++----- 2 files changed, 52 insertions(+), 15 deletions(-) diff --git a/compiler/rustc_codegen_llvm/src/intrinsic.rs b/compiler/rustc_codegen_llvm/src/intrinsic.rs index c0a1208a8c7d..83a71752ffd8 100644 --- a/compiler/rustc_codegen_llvm/src/intrinsic.rs +++ b/compiler/rustc_codegen_llvm/src/intrinsic.rs @@ -480,8 +480,55 @@ impl<'ll, 'tcx> IntrinsicCallMethods<'tcx> for Builder<'_, 'll, 'tcx> { } _ if name.as_str().starts_with("simd_") => { + // Unpack non-power-of-2 #[repr(packed)] + let mut loaded_args = Vec::new(); + for (ty, arg) in arg_tys.iter().zip(args) { + loaded_args.push( + if ty.is_simd() + && let OperandValue::Ref(place) = arg.val + { + let (size, elem_ty) = ty.simd_size_and_type(self.tcx()); + let elem_ll_ty = match elem_ty.kind() { + ty::Float(f) => self.type_float_from_ty(*f), + ty::Int(i) => self.type_int_from_ty(*i), + ty::Uint(u) => self.type_uint_from_ty(*u), + ty::RawPtr(_, _) => self.type_ptr(), + _ => unreachable!(), + }; + let loaded = + self.load_from_place(self.type_vector(elem_ll_ty, size), place); + OperandRef::from_immediate_or_packed_pair(self, loaded, arg.layout) + } else { + *arg + }, + ); + } + + let llret_ty = if ret_ty.is_simd() + && let abi::Abi::Aggregate { .. } = self.layout_of(ret_ty).layout.abi + { + let (size, elem_ty) = ret_ty.simd_size_and_type(self.tcx()); + let elem_ll_ty = match elem_ty.kind() { + ty::Float(f) => self.type_float_from_ty(*f), + ty::Int(i) => self.type_int_from_ty(*i), + ty::Uint(u) => self.type_uint_from_ty(*u), + ty::RawPtr(_, _) => self.type_ptr(), + _ => unreachable!(), + }; + self.type_vector(elem_ll_ty, size) + } else { + llret_ty + }; + match generic_simd_intrinsic( - self, name, callee_ty, fn_args, args, ret_ty, llret_ty, span, + self, + name, + callee_ty, + fn_args, + &loaded_args, + ret_ty, + llret_ty, + span, ) { Ok(llval) => llval, Err(()) => return Ok(()), diff --git a/tests/ui/simd/repr_packed.rs b/tests/ui/simd/repr_packed.rs index 411bba3454eb..52c794563de6 100644 --- a/tests/ui/simd/repr_packed.rs +++ b/tests/ui/simd/repr_packed.rs @@ -6,9 +6,6 @@ #[repr(simd, packed)] struct Simd([T; N]); -#[repr(simd)] -struct FullSimd([T; N]); - fn check_size_align() { use std::mem; assert_eq!(mem::size_of::>(), mem::size_of::<[T; N]>()); @@ -44,16 +41,9 @@ fn main() { simd_add(Simd::([0., 1., 2., 3.]), Simd::([2., 2., 2., 2.])); assert_eq!(std::mem::transmute::<_, [f64; 4]>(x), [2., 3., 4., 5.]); - // non-powers-of-two have padding and need to be expanded to full vectors - fn load(v: Simd) -> FullSimd { - unsafe { - let mut tmp = core::mem::MaybeUninit::>::uninit(); - std::ptr::copy_nonoverlapping(&v as *const _, tmp.as_mut_ptr().cast(), 1); - tmp.assume_init() - } - } - let x: FullSimd = - simd_add(load(Simd::([0., 1., 2.])), load(Simd::([2., 2., 2.]))); - assert_eq!(x.0, [2., 3., 4.]); + // non-powers-of-two have padding and lesser alignment, but the intrinsic handles it + let x: Simd = simd_add(Simd::([0., 1., 2.]), Simd::([2., 2., 2.])); + let arr: [f64; 3] = x.0; + assert_eq!(arr, [2., 3., 4.]); } } From 36293727238d2559f594d7019a551853cb0c57b3 Mon Sep 17 00:00:00 2001 From: schvv31n Date: Mon, 20 May 2024 08:05:49 +0100 Subject: [PATCH 0274/1716] Lint on closure calls, suppress on callable constants calls --- .../iter_on_single_or_empty_collections.rs | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs b/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs index 0e929cfe798f..f16385b5f959 100644 --- a/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs +++ b/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs @@ -33,10 +33,10 @@ fn is_arg_ty_unified_in_fn<'tcx>( cx: &LateContext<'tcx>, fn_id: DefId, arg_id: HirId, - args: impl Iterator> + Clone, + args: impl IntoIterator>, ) -> bool { let fn_sig = cx.tcx.fn_sig(fn_id).instantiate_identity(); - let arg_id_in_args = args.clone().position(|e| e.hir_id == arg_id).unwrap(); + let arg_id_in_args = args.into_iter().position(|e| e.hir_id == arg_id).unwrap(); let arg_ty_in_args = fn_sig.input(arg_id_in_args); cx.tcx.predicates_of(fn_id).predicates.iter().any(|(clause, _)| { @@ -72,12 +72,11 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>, method .. }, args, - ) => is_arg_ty_unified_in_fn( - cx, - cx.typeck_results().qpath_res(path, *hir_id).def_id(), - expr.hir_id, - args.iter(), - ), + ) => { + cx.typeck_results().qpath_res(path, *hir_id).opt_def_id() + .filter(|fn_id| cx.tcx.def_kind(fn_id).is_fn_like()) + .is_some_and(|fn_id| is_arg_ty_unified_in_fn(cx, fn_id, expr.hir_id, args)) + } ExprKind::MethodCall(_name, recv, args, _span) => is_arg_ty_unified_in_fn( cx, cx.typeck_results().type_dependent_def_id(parent.hir_id).unwrap(), From 3955bd4c98a61ada7041c028a5d0c749c3c0ee11 Mon Sep 17 00:00:00 2001 From: schvv31n Date: Mon, 20 May 2024 08:07:48 +0100 Subject: [PATCH 0275/1716] fixed formatting --- .../methods/iter_on_single_or_empty_collections.rs | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs b/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs index f16385b5f959..e8bba0dfe749 100644 --- a/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs +++ b/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs @@ -72,11 +72,12 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>, method .. }, args, - ) => { - cx.typeck_results().qpath_res(path, *hir_id).opt_def_id() - .filter(|fn_id| cx.tcx.def_kind(fn_id).is_fn_like()) - .is_some_and(|fn_id| is_arg_ty_unified_in_fn(cx, fn_id, expr.hir_id, args)) - } + ) => cx + .typeck_results() + .qpath_res(path, *hir_id) + .opt_def_id() + .filter(|fn_id| cx.tcx.def_kind(fn_id).is_fn_like()) + .is_some_and(|fn_id| is_arg_ty_unified_in_fn(cx, fn_id, expr.hir_id, args)), ExprKind::MethodCall(_name, recv, args, _span) => is_arg_ty_unified_in_fn( cx, cx.typeck_results().type_dependent_def_id(parent.hir_id).unwrap(), From 1d9757cd849989691becceb15e0e7c2ec37a3452 Mon Sep 17 00:00:00 2001 From: jdonszelmann Date: Mon, 20 May 2024 09:18:49 +0200 Subject: [PATCH 0276/1716] add todo test for feature gate --- .../feature-gate-global-registration.rs | 4 +++- .../feature-gate-global-registration.stderr | 13 +++++++++++++ 2 files changed, 16 insertions(+), 1 deletion(-) create mode 100644 tests/ui/feature-gates/feature-gate-global-registration.stderr diff --git a/tests/ui/feature-gates/feature-gate-global-registration.rs b/tests/ui/feature-gates/feature-gate-global-registration.rs index 77072727ec50..6ac367120903 100644 --- a/tests/ui/feature-gates/feature-gate-global-registration.rs +++ b/tests/ui/feature-gates/feature-gate-global-registration.rs @@ -1 +1,3 @@ -//! WIP +todo!(); //~ ERROR + +fn main() {} diff --git a/tests/ui/feature-gates/feature-gate-global-registration.stderr b/tests/ui/feature-gates/feature-gate-global-registration.stderr new file mode 100644 index 000000000000..70538ae6f317 --- /dev/null +++ b/tests/ui/feature-gates/feature-gate-global-registration.stderr @@ -0,0 +1,13 @@ +error: expected one of `!` or `::`, found `(` + --> $DIR/feature-gate-global-registration.rs:1:1 + | +LL | todo!(); + | ^^^^^^^ + | | + | expected one of `!` or `::` + | in this macro invocation + | + = note: this error originates in the macro `todo` (in Nightly builds, run with -Z macro-backtrace for more info) + +error: aborting due to 1 previous error + From 0334c45bb525f7eb9078f3c5b5074320a9ac7a3d Mon Sep 17 00:00:00 2001 From: Arpad Borsos Date: Wed, 1 May 2024 10:32:26 +0200 Subject: [PATCH 0277/1716] Write `char::DebugEscape` sequences using `write_str` Instead of writing each `char` of an escape sequence one by one, this delegates to `Display`, which uses `write_str` internally in order to write the whole escape sequence at once. --- library/core/benches/str/debug.rs | 4 ++-- library/core/src/fmt/mod.rs | 11 ++++------- 2 files changed, 6 insertions(+), 9 deletions(-) diff --git a/library/core/benches/str/debug.rs b/library/core/benches/str/debug.rs index 7c72228f0fb5..cb91169eed8e 100644 --- a/library/core/benches/str/debug.rs +++ b/library/core/benches/str/debug.rs @@ -44,7 +44,7 @@ fn ascii_escapes(b: &mut Bencher) { assert_fmt( s, r#""some\tmore\tascii\ttext\nthis time with some \"escapes\", also 64 byte""#, - 21, + 15, ); b.iter(|| { black_box(format!("{:?}", black_box(s))); @@ -72,7 +72,7 @@ fn mostly_unicode(b: &mut Bencher) { #[bench] fn mixed(b: &mut Bencher) { let s = "\"❤️\"\n\"hűha ez betű\"\n\"кириллических букв\"."; - assert_fmt(s, r#""\"❤\u{fe0f}\"\n\"hűha ez betű\"\n\"кириллических букв\".""#, 36); + assert_fmt(s, r#""\"❤\u{fe0f}\"\n\"hűha ez betű\"\n\"кириллических букв\".""#, 21); b.iter(|| { black_box(format!("{:?}", black_box(s))); }); diff --git a/library/core/src/fmt/mod.rs b/library/core/src/fmt/mod.rs index 9b372eac5245..10e1d27c88a9 100644 --- a/library/core/src/fmt/mod.rs +++ b/library/core/src/fmt/mod.rs @@ -2409,9 +2409,7 @@ impl Debug for str { // If char needs escaping, flush backlog so far and write, else skip if esc.len() != 1 { f.write_str(&self[from..i])?; - for c in esc { - f.write_char(c)?; - } + Display::fmt(&esc, f)?; from = i + c.len_utf8(); } } @@ -2431,13 +2429,12 @@ impl Display for str { impl Debug for char { fn fmt(&self, f: &mut Formatter<'_>) -> Result { f.write_char('\'')?; - for c in self.escape_debug_ext(EscapeDebugExtArgs { + let esc = self.escape_debug_ext(EscapeDebugExtArgs { escape_grapheme_extended: true, escape_single_quote: true, escape_double_quote: false, - }) { - f.write_char(c)? - } + }); + Display::fmt(&esc, f)?; f.write_char('\'') } } From 3fda931afe98ccfbc2da7307731b268a38b153e9 Mon Sep 17 00:00:00 2001 From: Arpad Borsos Date: Thu, 15 Feb 2024 17:36:21 +0100 Subject: [PATCH 0278/1716] Add a fast-path to `Debug` ASCII `&str` MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Instead of going through the `EscapeDebug` machinery, we can just skip over ASCII chars that don’t need any escaping. --- library/core/src/fmt/mod.rs | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/library/core/src/fmt/mod.rs b/library/core/src/fmt/mod.rs index 10e1d27c88a9..4cc2a9cf96d8 100644 --- a/library/core/src/fmt/mod.rs +++ b/library/core/src/fmt/mod.rs @@ -2401,6 +2401,11 @@ impl Debug for str { f.write_char('"')?; let mut from = 0; for (i, c) in self.char_indices() { + // a fast path for ASCII chars that do not need escapes: + if matches!(c, ' '..='~') && !matches!(c, '\\' | '\"') { + continue; + } + let esc = c.escape_debug_ext(EscapeDebugExtArgs { escape_grapheme_extended: true, escape_single_quote: false, From 42d870ec8815b860b31f03f938ad911a49a5cff3 Mon Sep 17 00:00:00 2001 From: Arpad Borsos Date: Fri, 3 May 2024 13:16:26 +0200 Subject: [PATCH 0279/1716] Introduce printable-ASCII fast-path for `impl Debug for str` Instead of having a single loop that works on utf-8 `char`s, this splits the implementation into a loop that quickly skips over printable ASCII, falling back to per-char iteration for other chunks. --- library/core/src/fmt/mod.rs | 59 ++++++++++++++++++++++++++----------- 1 file changed, 42 insertions(+), 17 deletions(-) diff --git a/library/core/src/fmt/mod.rs b/library/core/src/fmt/mod.rs index 4cc2a9cf96d8..7fbbbb67f82e 100644 --- a/library/core/src/fmt/mod.rs +++ b/library/core/src/fmt/mod.rs @@ -2399,26 +2399,51 @@ impl Display for bool { impl Debug for str { fn fmt(&self, f: &mut Formatter<'_>) -> Result { f.write_char('"')?; - let mut from = 0; - for (i, c) in self.char_indices() { - // a fast path for ASCII chars that do not need escapes: - if matches!(c, ' '..='~') && !matches!(c, '\\' | '\"') { - continue; - } - let esc = c.escape_debug_ext(EscapeDebugExtArgs { - escape_grapheme_extended: true, - escape_single_quote: false, - escape_double_quote: true, - }); - // If char needs escaping, flush backlog so far and write, else skip - if esc.len() != 1 { - f.write_str(&self[from..i])?; - Display::fmt(&esc, f)?; - from = i + c.len_utf8(); + // substring we know is printable + let mut printable_range = 0..0; + + fn needs_escape(b: u8) -> bool { + b > 0x7E || b < 0x20 || b == b'\\' || b == b'"' + } + + // the outer loop here splits the string into chunks of printable ASCII, which is just skipped over, + // and chunks of other chars (unicode, or ASCII that needs escaping), which is handler per-`char`. + let mut rest = self.as_bytes(); + while rest.len() > 0 { + let Some(non_printable_start) = rest.iter().position(|&b| needs_escape(b)) else { + printable_range.end += rest.len(); + break; + }; + + printable_range.end += non_printable_start; + // SAFETY: the position was derived from an iterator, so is known to be within bounds, and at a char boundary + rest = unsafe { rest.get_unchecked(non_printable_start..) }; + + let printable_start = rest.iter().position(|&b| !needs_escape(b)).unwrap_or(rest.len()); + let prefix; + // SAFETY: the position was derived from an iterator, so is known to be within bounds, and at a char boundary + (prefix, rest) = unsafe { rest.split_at_unchecked(printable_start) }; + // SAFETY: prefix is a valid utf8 sequence, and at a char boundary + let prefix = unsafe { crate::str::from_utf8_unchecked(prefix) }; + + for c in prefix.chars() { + let esc = c.escape_debug_ext(EscapeDebugExtArgs { + escape_grapheme_extended: true, + escape_single_quote: false, + escape_double_quote: true, + }); + if esc.len() != 1 { + f.write_str(&self[printable_range.clone()])?; + Display::fmt(&esc, f)?; + printable_range.start = printable_range.end + c.len_utf8(); + } + printable_range.end += c.len_utf8(); } } - f.write_str(&self[from..])?; + + f.write_str(&self[printable_range])?; + f.write_char('"') } } From aaba972e06a35ca6988f41f31ca56d747eac4dc9 Mon Sep 17 00:00:00 2001 From: Arpad Borsos Date: Mon, 20 May 2024 11:31:02 +0200 Subject: [PATCH 0280/1716] Switch to primarily using `&str` Surprisingly, benchmarks have shown that using `&str` instead of `&[u8]` with some `unsafe` code is actually faster. --- library/core/src/fmt/mod.rs | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/library/core/src/fmt/mod.rs b/library/core/src/fmt/mod.rs index 7fbbbb67f82e..b9f6b2d35c9f 100644 --- a/library/core/src/fmt/mod.rs +++ b/library/core/src/fmt/mod.rs @@ -2409,9 +2409,10 @@ impl Debug for str { // the outer loop here splits the string into chunks of printable ASCII, which is just skipped over, // and chunks of other chars (unicode, or ASCII that needs escaping), which is handler per-`char`. - let mut rest = self.as_bytes(); + let mut rest = self; while rest.len() > 0 { - let Some(non_printable_start) = rest.iter().position(|&b| needs_escape(b)) else { + let Some(non_printable_start) = rest.as_bytes().iter().position(|&b| needs_escape(b)) + else { printable_range.end += rest.len(); break; }; @@ -2420,12 +2421,10 @@ impl Debug for str { // SAFETY: the position was derived from an iterator, so is known to be within bounds, and at a char boundary rest = unsafe { rest.get_unchecked(non_printable_start..) }; - let printable_start = rest.iter().position(|&b| !needs_escape(b)).unwrap_or(rest.len()); + let printable_start = + rest.as_bytes().iter().position(|&b| !needs_escape(b)).unwrap_or(rest.len()); let prefix; - // SAFETY: the position was derived from an iterator, so is known to be within bounds, and at a char boundary - (prefix, rest) = unsafe { rest.split_at_unchecked(printable_start) }; - // SAFETY: prefix is a valid utf8 sequence, and at a char boundary - let prefix = unsafe { crate::str::from_utf8_unchecked(prefix) }; + (prefix, rest) = rest.split_at(printable_start); for c in prefix.chars() { let esc = c.escape_debug_ext(EscapeDebugExtArgs { From ccd3e99a1a7acdbb3819c0d607fa93c35985c377 Mon Sep 17 00:00:00 2001 From: Urgau Date: Mon, 20 May 2024 11:44:09 +0200 Subject: [PATCH 0281/1716] Fix quote escaping inside check-cfg value --- .../src/context/diagnostics/check_cfg.rs | 5 ++-- tests/ui/check-cfg/diagnotics.cargo.stderr | 30 ++++++++++++++----- tests/ui/check-cfg/diagnotics.rs | 5 ++++ tests/ui/check-cfg/diagnotics.rustc.stderr | 26 +++++++++++----- 4 files changed, 49 insertions(+), 17 deletions(-) diff --git a/compiler/rustc_lint/src/context/diagnostics/check_cfg.rs b/compiler/rustc_lint/src/context/diagnostics/check_cfg.rs index 6f5bf4e5a1d7..3fa04ab75f8d 100644 --- a/compiler/rustc_lint/src/context/diagnostics/check_cfg.rs +++ b/compiler/rustc_lint/src/context/diagnostics/check_cfg.rs @@ -48,10 +48,9 @@ enum EscapeQuotes { fn to_check_cfg_arg(name: Symbol, value: Option, quotes: EscapeQuotes) -> String { if let Some(value) = value { + let value = str::escape_debug(value.as_str()).to_string(); let values = match quotes { - EscapeQuotes::Yes => { - format!("\\\"{}\\\"", str::escape_debug(value.as_str()).to_string()) - } + EscapeQuotes::Yes => format!("\\\"{}\\\"", value.replace("\"", "\\\\\\\\\"")), EscapeQuotes::No => format!("\"{value}\""), }; format!("cfg({name}, values({values}))") diff --git a/tests/ui/check-cfg/diagnotics.cargo.stderr b/tests/ui/check-cfg/diagnotics.cargo.stderr index 24c17b32ad6a..a440ccaaf584 100644 --- a/tests/ui/check-cfg/diagnotics.cargo.stderr +++ b/tests/ui/check-cfg/diagnotics.cargo.stderr @@ -1,5 +1,5 @@ warning: unexpected `cfg` condition name: `featur` - --> $DIR/diagnotics.rs:8:7 + --> $DIR/diagnotics.rs:9:7 | LL | #[cfg(featur)] | ^^^^^^ help: there is a config with a similar name: `feature` @@ -9,7 +9,7 @@ LL | #[cfg(featur)] = note: `#[warn(unexpected_cfgs)]` on by default warning: unexpected `cfg` condition name: `featur` - --> $DIR/diagnotics.rs:12:7 + --> $DIR/diagnotics.rs:13:7 | LL | #[cfg(featur = "foo")] | ^^^^^^^^^^^^^^ @@ -21,7 +21,7 @@ LL | #[cfg(feature = "foo")] | ~~~~~~~ warning: unexpected `cfg` condition name: `featur` - --> $DIR/diagnotics.rs:16:7 + --> $DIR/diagnotics.rs:17:7 | LL | #[cfg(featur = "fo")] | ^^^^^^^^^^^^^ @@ -34,7 +34,7 @@ LL | #[cfg(feature = "foo")] | ~~~~~~~~~~~~~~~ warning: unexpected `cfg` condition name: `no_value` - --> $DIR/diagnotics.rs:23:7 + --> $DIR/diagnotics.rs:24:7 | LL | #[cfg(no_value)] | ^^^^^^^^ help: there is a config with a similar name: `no_values` @@ -47,7 +47,7 @@ LL | #[cfg(no_value)] = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition name: `no_value` - --> $DIR/diagnotics.rs:27:7 + --> $DIR/diagnotics.rs:28:7 | LL | #[cfg(no_value = "foo")] | ^^^^^^^^^^^^^^^^ @@ -64,7 +64,7 @@ LL | #[cfg(no_values)] | ~~~~~~~~~ warning: unexpected `cfg` condition value: `bar` - --> $DIR/diagnotics.rs:31:7 + --> $DIR/diagnotics.rs:32:7 | LL | #[cfg(no_values = "bar")] | ^^^^^^^^^-------- @@ -79,5 +79,21 @@ LL | #[cfg(no_values = "bar")] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(no_values, values(\"bar\"))");` to the top of the `build.rs` = note: see for more information about checking conditional configuration -warning: 6 warnings emitted +warning: unexpected `cfg` condition value: `quote"` + --> $DIR/diagnotics.rs:36:7 + | +LL | #[cfg(quote = "quote\"")] + | ^^^^^^^^--------- + | | + | help: there is a expected value with a similar name: `"quote"` + | + = note: expected values for `quote` are: `quote` + = help: consider using a Cargo feature instead + = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: + [lints.rust] + unexpected_cfgs = { level = "warn", check-cfg = ['cfg(quote, values("quote\""))'] } + = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(quote, values(\"quote\\\"\"))");` to the top of the `build.rs` + = note: see for more information about checking conditional configuration + +warning: 7 warnings emitted diff --git a/tests/ui/check-cfg/diagnotics.rs b/tests/ui/check-cfg/diagnotics.rs index b8268ec56062..7155d7c81b98 100644 --- a/tests/ui/check-cfg/diagnotics.rs +++ b/tests/ui/check-cfg/diagnotics.rs @@ -4,6 +4,7 @@ //@ [rustc]unset-rustc-env:CARGO_CRATE_NAME //@ [cargo]rustc-env:CARGO_CRATE_NAME=foo //@ compile-flags: --check-cfg=cfg(feature,values("foo")) --check-cfg=cfg(no_values) +//@ compile-flags: --check-cfg=cfg(quote,values("quote")) #[cfg(featur)] //~^ WARNING unexpected `cfg` condition name @@ -32,4 +33,8 @@ fn no_values() {} //~^ WARNING unexpected `cfg` condition value fn no_values() {} +#[cfg(quote = "quote\"")] +//~^ WARNING unexpected `cfg` condition value +fn no_values() {} + fn main() {} diff --git a/tests/ui/check-cfg/diagnotics.rustc.stderr b/tests/ui/check-cfg/diagnotics.rustc.stderr index 0bd6ce156bb6..6868be482d87 100644 --- a/tests/ui/check-cfg/diagnotics.rustc.stderr +++ b/tests/ui/check-cfg/diagnotics.rustc.stderr @@ -1,5 +1,5 @@ warning: unexpected `cfg` condition name: `featur` - --> $DIR/diagnotics.rs:8:7 + --> $DIR/diagnotics.rs:9:7 | LL | #[cfg(featur)] | ^^^^^^ help: there is a config with a similar name: `feature` @@ -10,7 +10,7 @@ LL | #[cfg(featur)] = note: `#[warn(unexpected_cfgs)]` on by default warning: unexpected `cfg` condition name: `featur` - --> $DIR/diagnotics.rs:12:7 + --> $DIR/diagnotics.rs:13:7 | LL | #[cfg(featur = "foo")] | ^^^^^^^^^^^^^^ @@ -23,7 +23,7 @@ LL | #[cfg(feature = "foo")] | ~~~~~~~ warning: unexpected `cfg` condition name: `featur` - --> $DIR/diagnotics.rs:16:7 + --> $DIR/diagnotics.rs:17:7 | LL | #[cfg(featur = "fo")] | ^^^^^^^^^^^^^ @@ -37,7 +37,7 @@ LL | #[cfg(feature = "foo")] | ~~~~~~~~~~~~~~~ warning: unexpected `cfg` condition name: `no_value` - --> $DIR/diagnotics.rs:23:7 + --> $DIR/diagnotics.rs:24:7 | LL | #[cfg(no_value)] | ^^^^^^^^ help: there is a config with a similar name: `no_values` @@ -46,7 +46,7 @@ LL | #[cfg(no_value)] = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition name: `no_value` - --> $DIR/diagnotics.rs:27:7 + --> $DIR/diagnotics.rs:28:7 | LL | #[cfg(no_value = "foo")] | ^^^^^^^^^^^^^^^^ @@ -59,7 +59,7 @@ LL | #[cfg(no_values)] | ~~~~~~~~~ warning: unexpected `cfg` condition value: `bar` - --> $DIR/diagnotics.rs:31:7 + --> $DIR/diagnotics.rs:32:7 | LL | #[cfg(no_values = "bar")] | ^^^^^^^^^-------- @@ -70,5 +70,17 @@ LL | #[cfg(no_values = "bar")] = help: to expect this configuration use `--check-cfg=cfg(no_values, values("bar"))` = note: see for more information about checking conditional configuration -warning: 6 warnings emitted +warning: unexpected `cfg` condition value: `quote"` + --> $DIR/diagnotics.rs:36:7 + | +LL | #[cfg(quote = "quote\"")] + | ^^^^^^^^--------- + | | + | help: there is a expected value with a similar name: `"quote"` + | + = note: expected values for `quote` are: `quote` + = help: to expect this configuration use `--check-cfg=cfg(quote, values("quote\""))` + = note: see for more information about checking conditional configuration + +warning: 7 warnings emitted From 7b0fd3b93182c41cae52934421aa732af002e99a Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Mon, 20 May 2024 12:09:11 +0200 Subject: [PATCH 0282/1716] Migrate `run-make/rustdoc-scrape-examples-whitespace` to `rmake.rs` --- src/tools/tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/rustdoc-scrape-examples-whitespace/Makefile | 5 ----- tests/run-make/rustdoc-scrape-examples-whitespace/rmake.rs | 6 ++++++ 3 files changed, 6 insertions(+), 6 deletions(-) delete mode 100644 tests/run-make/rustdoc-scrape-examples-whitespace/Makefile create mode 100644 tests/run-make/rustdoc-scrape-examples-whitespace/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index e08d7ff046d8..9b879f33778f 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -236,7 +236,6 @@ run-make/rustc-macro-dep-files/Makefile run-make/rustdoc-io-error/Makefile run-make/rustdoc-scrape-examples-macros/Makefile run-make/rustdoc-scrape-examples-multiple/Makefile -run-make/rustdoc-scrape-examples-whitespace/Makefile run-make/rustdoc-verify-output-files/Makefile run-make/rustdoc-with-output-option/Makefile run-make/rustdoc-with-short-out-dir-option/Makefile diff --git a/tests/run-make/rustdoc-scrape-examples-whitespace/Makefile b/tests/run-make/rustdoc-scrape-examples-whitespace/Makefile deleted file mode 100644 index 7786ff762cb3..000000000000 --- a/tests/run-make/rustdoc-scrape-examples-whitespace/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -deps := ex - -include ../rustdoc-scrape-examples-multiple/scrape.mk - -all: scrape diff --git a/tests/run-make/rustdoc-scrape-examples-whitespace/rmake.rs b/tests/run-make/rustdoc-scrape-examples-whitespace/rmake.rs new file mode 100644 index 000000000000..e9c54fa39223 --- /dev/null +++ b/tests/run-make/rustdoc-scrape-examples-whitespace/rmake.rs @@ -0,0 +1,6 @@ +#[path = "../rustdoc-scrape-examples-remap/scrape.rs"] +mod scrape; + +fn main() { + scrape::scrape(&[]); +} From 0d23a71ec2c79bc2da6b3fa8fa6386817e5856c5 Mon Sep 17 00:00:00 2001 From: Dion Dokter Date: Mon, 20 May 2024 12:18:24 +0200 Subject: [PATCH 0283/1716] Deduplicate test command --- src/ci/docker/scripts/x86_64-gnu-llvm.sh | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/src/ci/docker/scripts/x86_64-gnu-llvm.sh b/src/ci/docker/scripts/x86_64-gnu-llvm.sh index fe545e1d5f77..8f5f7fdbe47a 100755 --- a/src/ci/docker/scripts/x86_64-gnu-llvm.sh +++ b/src/ci/docker/scripts/x86_64-gnu-llvm.sh @@ -6,17 +6,16 @@ set -ex if [[ -z "${PR_CI_JOB}" ]]; then # When running gcc backend tests, we need to install `libgccjit` and to not run llvm codegen # tests as it will fail them. - # The tests are run a second time with the size optimizations enabled. if [[ "${ENABLE_GCC_CODEGEN}" == "1" ]]; then ../x.py --stage 1 test --skip src/tools/tidy --skip tests/codegen - ../x.py --stage 1 test library/std library/alloc library/core \ - --rustc-args "--cfg feature=\"optimize_for_size\"" else ../x.py --stage 1 test --skip src/tools/tidy - ../x.py --stage 1 test library/std library/alloc library/core \ - --rustc-args "--cfg feature=\"optimize_for_size\"" fi + # The tests are run a second time with the size optimizations enabled. + ../x.py --stage 1 test library/std library/alloc library/core \ + --rustc-args "--cfg feature=\"optimize_for_size\"" + # Run the `mir-opt` tests again but this time for a 32-bit target. # This enforces that tests using `// EMIT_MIR_FOR_EACH_BIT_WIDTH` have # both 32-bit and 64-bit outputs updated by the PR author, before From bd71c71ea04b4a4f954e579c2a6d44113274846a Mon Sep 17 00:00:00 2001 From: Dion Dokter Date: Mon, 20 May 2024 12:50:37 +0200 Subject: [PATCH 0284/1716] Move tests to more opportune point --- src/ci/docker/scripts/x86_64-gnu-llvm.sh | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/src/ci/docker/scripts/x86_64-gnu-llvm.sh b/src/ci/docker/scripts/x86_64-gnu-llvm.sh index 8f5f7fdbe47a..876b300d35c6 100755 --- a/src/ci/docker/scripts/x86_64-gnu-llvm.sh +++ b/src/ci/docker/scripts/x86_64-gnu-llvm.sh @@ -12,10 +12,6 @@ if [[ -z "${PR_CI_JOB}" ]]; then ../x.py --stage 1 test --skip src/tools/tidy fi - # The tests are run a second time with the size optimizations enabled. - ../x.py --stage 1 test library/std library/alloc library/core \ - --rustc-args "--cfg feature=\"optimize_for_size\"" - # Run the `mir-opt` tests again but this time for a 32-bit target. # This enforces that tests using `// EMIT_MIR_FOR_EACH_BIT_WIDTH` have # both 32-bit and 64-bit outputs updated by the PR author, before @@ -27,6 +23,10 @@ if [[ -z "${PR_CI_JOB}" ]]; then # Run `ui-fulldeps` in `--stage=1`, which actually uses the stage0 # compiler, and is sensitive to the addition of new flags. ../x.py --stage 1 test tests/ui-fulldeps + + # The tests are run a second time with the size optimizations enabled. + ../x.py --stage 1 test library/std library/alloc library/core \ + --rustc-args "--cfg feature=\"optimize_for_size\"" fi # When running gcc backend tests, we need to install `libgccjit` and to not run llvm codegen From b092b5d02b9e2aea72d5993d36c1cbe60e4e9b6b Mon Sep 17 00:00:00 2001 From: surechen Date: Tue, 23 Apr 2024 15:31:54 +0800 Subject: [PATCH 0285/1716] Note for E0599 if shadowed bindings has the method. implement #123558 --- compiler/rustc_hir_typeck/src/expr.rs | 1 + .../rustc_hir_typeck/src/fn_ctxt/_impl.rs | 1 + .../rustc_hir_typeck/src/method/suggest.rs | 213 +++++++++++++++++- .../rustc_confusables_std_cases.stderr | 8 + .../deriving-with-repr-packed-2.stderr | 8 + ...ount-for-shadowed-bindings-issue-123558.rs | 7 + ...-for-shadowed-bindings-issue-123558.stderr | 17 ++ 7 files changed, 249 insertions(+), 6 deletions(-) create mode 100644 tests/ui/methods/issues/account-for-shadowed-bindings-issue-123558.rs create mode 100644 tests/ui/methods/issues/account-for-shadowed-bindings-issue-123558.stderr diff --git a/compiler/rustc_hir_typeck/src/expr.rs b/compiler/rustc_hir_typeck/src/expr.rs index fb7d3f40093b..fade943c5ae3 100644 --- a/compiler/rustc_hir_typeck/src/expr.rs +++ b/compiler/rustc_hir_typeck/src/expr.rs @@ -1346,6 +1346,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { if segment.ident.name != kw::Empty { if let Some(err) = self.report_method_error( span, + Some(rcvr), rcvr_t, segment.ident, SelfSource::MethodCall(rcvr), diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs index 6e8ef0444521..758df83d3ebc 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs @@ -834,6 +834,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { if item_name.name != kw::Empty { if let Some(e) = self.report_method_error( span, + None, ty.normalized, item_name, SelfSource::QPath(qself), diff --git a/compiler/rustc_hir_typeck/src/method/suggest.rs b/compiler/rustc_hir_typeck/src/method/suggest.rs index db510d44392c..54af8354c4c7 100644 --- a/compiler/rustc_hir_typeck/src/method/suggest.rs +++ b/compiler/rustc_hir_typeck/src/method/suggest.rs @@ -7,6 +7,7 @@ use crate::errors::{self, CandidateTraitNote, NoAssociatedItem}; use crate::Expectation; use crate::FnCtxt; use core::ops::ControlFlow; +use hir::Expr; use rustc_ast::ast::Mutability; use rustc_attr::parse_confusables; use rustc_data_structures::fx::{FxIndexMap, FxIndexSet}; @@ -19,7 +20,6 @@ use rustc_hir as hir; use rustc_hir::def::DefKind; use rustc_hir::def_id::DefId; use rustc_hir::lang_items::LangItem; -use rustc_hir::PatKind::Binding; use rustc_hir::PathSegment; use rustc_hir::{ExprKind, Node, QPath}; use rustc_infer::infer::{self, RegionVariableOrigin}; @@ -46,7 +46,7 @@ use std::borrow::Cow; use super::probe::{AutorefOrPtrAdjustment, IsSuggestion, Mode, ProbeScope}; use super::{CandidateSource, MethodError, NoMatchData}; -use rustc_hir::intravisit::Visitor; +use rustc_hir::intravisit::{self, Visitor}; impl<'a, 'tcx> FnCtxt<'a, 'tcx> { fn is_fn_ty(&self, ty: Ty<'tcx>, span: Span) -> bool { @@ -188,6 +188,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { pub fn report_method_error( &self, span: Span, + rcvr_opt: Option<&'tcx hir::Expr<'tcx>>, rcvr_ty: Ty<'tcx>, item_name: Ident, source: SelfSource<'tcx>, @@ -212,6 +213,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { MethodError::NoMatch(mut no_match_data) => { return self.report_no_match_method_error( span, + rcvr_opt, rcvr_ty, item_name, source, @@ -356,9 +358,197 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { err } + pub fn suggest_use_shadowed_binding_with_method( + &self, + rcvr_opt: Option<&'tcx hir::Expr<'tcx>>, + method_name: Ident, + ty_str_reported: &str, + err: &mut Diag<'_>, + ) { + #[derive(Debug)] + struct LetStmt { + ty_hir_id_opt: Option, + binding_id: hir::HirId, + span: Span, + init_hir_id: hir::HirId, + } + + // Used for finding suggest binding. + // ```rust + // earlier binding for suggesting: + // let y = vec![1, 2]; + // now binding: + // if let Some(y) = x { + // y.push(y); + // } + // ``` + struct LetVisitor<'a, 'tcx> { + // Error binding which don't have `method_name`. + binding_name: Symbol, + binding_id: hir::HirId, + // Used for check if the suggest binding has `method_name`. + fcx: &'a FnCtxt<'a, 'tcx>, + call_expr: &'tcx Expr<'tcx>, + method_name: Ident, + // Suggest the binding which is shallowed. + sugg_let: Option, + } + + impl<'a, 'tcx> LetVisitor<'a, 'tcx> { + // Check scope of binding. + fn is_sub_scope(&self, sub_id: hir::ItemLocalId, super_id: hir::ItemLocalId) -> bool { + let scope_tree = self.fcx.tcx.region_scope_tree(self.fcx.body_id); + if let Some(sub_var_scope) = scope_tree.var_scope(sub_id) + && let Some(super_var_scope) = scope_tree.var_scope(super_id) + && scope_tree.is_subscope_of(sub_var_scope, super_var_scope) + { + return true; + } + false + } + + // Check if an earlier shadowed binding make `the receiver` of a MethodCall has the method. + // If it does, record the earlier binding for subsequent notes. + fn check_and_add_sugg_binding(&mut self, binding: LetStmt) -> bool { + if !self.is_sub_scope(self.binding_id.local_id, binding.binding_id.local_id) { + return false; + } + + // Get the earlier shadowed binding'ty and use it to check the method. + if let Some(ty_hir_id) = binding.ty_hir_id_opt + && let Some(tyck_ty) = self.fcx.node_ty_opt(ty_hir_id) + { + if self + .fcx + .lookup_probe_for_diagnostic( + self.method_name, + tyck_ty, + self.call_expr, + ProbeScope::TraitsInScope, + None, + ) + .is_ok() + { + self.sugg_let = Some(binding); + return true; + } else { + return false; + } + } + + // If the shadowed binding has an an itializer expression, + // use the initializer expression'ty to try to find the method again. + // For example like: `let mut x = Vec::new();`, + // `Vec::new()` is the itializer expression. + if let Some(self_ty) = self.fcx.node_ty_opt(binding.init_hir_id) + && self + .fcx + .lookup_probe_for_diagnostic( + self.method_name, + self_ty, + self.call_expr, + ProbeScope::TraitsInScope, + None, + ) + .is_ok() + { + self.sugg_let = Some(binding); + return true; + } + return false; + } + } + + impl<'v> Visitor<'v> for LetVisitor<'_, '_> { + type Result = ControlFlow<()>; + fn visit_stmt(&mut self, ex: &'v hir::Stmt<'v>) -> Self::Result { + if let hir::StmtKind::Let(&hir::LetStmt { pat, ty, init, .. }) = ex.kind + && let hir::PatKind::Binding(_, binding_id, binding_name, ..) = pat.kind + && let Some(init) = init + && binding_name.name == self.binding_name + && binding_id != self.binding_id + { + if self.check_and_add_sugg_binding(LetStmt { + ty_hir_id_opt: if let Some(ty) = ty { Some(ty.hir_id) } else { None }, + binding_id: binding_id, + span: pat.span, + init_hir_id: init.hir_id, + }) { + return ControlFlow::Break(()); + } + ControlFlow::Continue(()) + } else { + hir::intravisit::walk_stmt(self, ex) + } + } + + // Used for find the error binding. + // When the visitor reaches this point, all the shadowed bindings + // have been found, so the visitor ends. + fn visit_pat(&mut self, p: &'v hir::Pat<'v>) -> Self::Result { + match p.kind { + hir::PatKind::Binding(_, binding_id, binding_name, _) => { + if binding_name.name == self.binding_name && binding_id == self.binding_id { + return ControlFlow::Break(()); + } + } + _ => { + intravisit::walk_pat(self, p); + } + } + ControlFlow::Continue(()) + } + } + + if let Some(rcvr) = rcvr_opt + && let hir::ExprKind::Path(QPath::Resolved(_, path)) = rcvr.kind + && let hir::def::Res::Local(recv_id) = path.res + && let Some(segment) = path.segments.first() + { + let map = self.infcx.tcx.hir(); + let body_id = self.tcx.hir().body_owned_by(self.body_id); + let body = map.body(body_id); + + if let Node::Expr(call_expr) = self.tcx.parent_hir_node(rcvr.hir_id) { + let mut let_visitor = LetVisitor { + fcx: self, + call_expr, + binding_name: segment.ident.name, + binding_id: recv_id, + method_name, + sugg_let: None, + }; + let_visitor.visit_body(body); + if let Some(sugg_let) = let_visitor.sugg_let + && let Some(self_ty) = self.node_ty_opt(sugg_let.init_hir_id) + { + let _sm = self.infcx.tcx.sess.source_map(); + let rcvr_name = segment.ident.name; + let mut span = MultiSpan::from_span(sugg_let.span); + span.push_span_label(sugg_let.span, + format!("`{rcvr_name}` of type `{self_ty}` that has method `{method_name}` defined earlier here")); + span.push_span_label( + self.tcx.hir().span(recv_id), + format!( + "earlier `{rcvr_name}` shadowed here with type `{ty_str_reported}`" + ), + ); + err.span_note( + span, + format!( + "there's an earlier shadowed binding `{rcvr_name}` of type `{self_ty}` \ + that has method `{method_name}` available" + ), + ); + } + } + } + } + pub fn report_no_match_method_error( &self, mut span: Span, + rcvr_opt: Option<&'tcx hir::Expr<'tcx>>, rcvr_ty: Ty<'tcx>, item_name: Ident, source: SelfSource<'tcx>, @@ -451,7 +641,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let mut err = if is_write && let SelfSource::MethodCall(rcvr_expr) = source { self.suggest_missing_writer(rcvr_ty, rcvr_expr) } else { - tcx.dcx().create_err(NoAssociatedItem { + let mut err = tcx.dcx().create_err(NoAssociatedItem { span, item_kind, item_name, @@ -461,9 +651,20 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } else { rcvr_ty.prefix_string(self.tcx) }, - ty_str: ty_str_reported, + ty_str: ty_str_reported.clone(), trait_missing_method, - }) + }); + + if is_method { + self.suggest_use_shadowed_binding_with_method( + rcvr_opt, + item_name, + &ty_str_reported, + &mut err, + ); + } + + err }; if tcx.sess.source_map().is_multiline(sugg_span) { err.span_label(sugg_span.with_hi(span.lo()), ""); @@ -2240,7 +2441,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { type Result = ControlFlow>>; fn visit_stmt(&mut self, ex: &'v hir::Stmt<'v>) -> Self::Result { if let hir::StmtKind::Let(&hir::LetStmt { pat, init, .. }) = ex.kind - && let Binding(_, _, ident, ..) = pat.kind + && let hir::PatKind::Binding(_, _, ident, ..) = pat.kind && ident.name == self.ident_name { ControlFlow::Break(init) diff --git a/tests/ui/attributes/rustc_confusables_std_cases.stderr b/tests/ui/attributes/rustc_confusables_std_cases.stderr index 45d571f435cb..f4b6947ccd94 100644 --- a/tests/ui/attributes/rustc_confusables_std_cases.stderr +++ b/tests/ui/attributes/rustc_confusables_std_cases.stderr @@ -26,6 +26,14 @@ error[E0599]: no method named `push` found for struct `VecDeque` in the current LL | x.push(1); | ^^^^ method not found in `VecDeque<_>` | +note: there's an earlier shadowed binding `x` of type `Vec<_>` that has method `push` available + --> $DIR/rustc_confusables_std_cases.rs:8:9 + | +LL | let mut x = Vec::new(); + | ^^^^^ `x` of type `Vec<_>` that has method `push` defined earlier here +... +LL | let mut x = VecDeque::new(); + | ----- earlier `x` shadowed here with type `VecDeque` help: you might have meant to use `push_back` | LL | x.push_back(1); diff --git a/tests/ui/derives/deriving-with-repr-packed-2.stderr b/tests/ui/derives/deriving-with-repr-packed-2.stderr index 96f51a4e7a2b..b62c67d9a9da 100644 --- a/tests/ui/derives/deriving-with-repr-packed-2.stderr +++ b/tests/ui/derives/deriving-with-repr-packed-2.stderr @@ -10,6 +10,14 @@ LL | struct NonCopy; LL | _ = x.clone(); | ^^^^^ method cannot be called on `Foo` due to unsatisfied trait bounds | +note: there's an earlier shadowed binding `x` of type `Foo` that has method `clone` available + --> $DIR/deriving-with-repr-packed-2.rs:13:9 + | +LL | let x: Foo = Foo(1, 2, 3); + | ^ `x` of type `Foo` that has method `clone` defined earlier here +... +LL | let x: Foo = Foo(NonCopy, NonCopy, NonCopy); + | - earlier `x` shadowed here with type `Foo` note: the following trait bounds were not satisfied: `NonCopy: Clone` `NonCopy: Copy` diff --git a/tests/ui/methods/issues/account-for-shadowed-bindings-issue-123558.rs b/tests/ui/methods/issues/account-for-shadowed-bindings-issue-123558.rs new file mode 100644 index 000000000000..a08bbf1fdbec --- /dev/null +++ b/tests/ui/methods/issues/account-for-shadowed-bindings-issue-123558.rs @@ -0,0 +1,7 @@ +fn main() { + let x = Some(3); + let y = vec![1, 2]; + if let Some(y) = x { + y.push(y); //~ ERROR E0599 + } +} diff --git a/tests/ui/methods/issues/account-for-shadowed-bindings-issue-123558.stderr b/tests/ui/methods/issues/account-for-shadowed-bindings-issue-123558.stderr new file mode 100644 index 000000000000..aecad201c7b2 --- /dev/null +++ b/tests/ui/methods/issues/account-for-shadowed-bindings-issue-123558.stderr @@ -0,0 +1,17 @@ +error[E0599]: no method named `push` found for type `{integer}` in the current scope + --> $DIR/account-for-shadowed-bindings-issue-123558.rs:5:11 + | +LL | y.push(y); + | ^^^^ method not found in `{integer}` + | +note: there's an earlier shadowed binding `y` of type `Vec<{integer}>` that has method `push` available + --> $DIR/account-for-shadowed-bindings-issue-123558.rs:3:9 + | +LL | let y = vec![1, 2]; + | ^ `y` of type `Vec<{integer}>` that has method `push` defined earlier here +LL | if let Some(y) = x { + | - earlier `y` shadowed here with type `{integer}` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0599`. From 4ebbb5f048797598e22916532b94517285492f03 Mon Sep 17 00:00:00 2001 From: surechen Date: Wed, 27 Mar 2024 11:30:12 +0800 Subject: [PATCH 0286/1716] Fix incorrect suggestion for undeclared hrtb lifetimes in where clauses. fixes #122714 --- .../rustc_resolve/src/late/diagnostics.rs | 101 +++++++++++++++--- ...ric-higher-ranked-lifetime-issue-122714.rs | 28 +++++ ...higher-ranked-lifetime-issue-122714.stderr | 92 ++++++++++++++++ 3 files changed, 207 insertions(+), 14 deletions(-) create mode 100644 tests/ui/generics/generic-higher-ranked-lifetime-issue-122714.rs create mode 100644 tests/ui/generics/generic-higher-ranked-lifetime-issue-122714.stderr diff --git a/compiler/rustc_resolve/src/late/diagnostics.rs b/compiler/rustc_resolve/src/late/diagnostics.rs index 1958fdf1cbc4..980f43b08064 100644 --- a/compiler/rustc_resolve/src/late/diagnostics.rs +++ b/compiler/rustc_resolve/src/late/diagnostics.rs @@ -17,6 +17,7 @@ use rustc_ast::{ }; use rustc_ast_pretty::pprust::where_bound_predicate_to_string; use rustc_data_structures::fx::FxHashSet; +use rustc_data_structures::fx::FxIndexSet; use rustc_errors::{ codes::*, pluralize, struct_span_code_err, Applicability, Diag, ErrorGuaranteed, MultiSpan, SuggestionStyle, @@ -31,7 +32,7 @@ use rustc_span::edit_distance::find_best_match_for_name; use rustc_span::edition::Edition; use rustc_span::hygiene::MacroKind; use rustc_span::symbol::{kw, sym, Ident, Symbol}; -use rustc_span::Span; +use rustc_span::{Span, DUMMY_SP}; use rustc_middle::ty; @@ -2714,8 +2715,17 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { self.suggest_introducing_lifetime( &mut err, Some(lifetime_ref.ident.name.as_str()), - |err, _, span, message, suggestion| { - err.span_suggestion(span, message, suggestion, Applicability::MaybeIncorrect); + |err, _, span, message, suggestion, span_suggs| { + err.multipart_suggestion_with_style( + message, + std::iter::once((span, suggestion)).chain(span_suggs.clone()).collect(), + Applicability::MaybeIncorrect, + if span_suggs.is_empty() { + SuggestionStyle::ShowCode + } else { + SuggestionStyle::ShowAlways + }, + ); true }, ); @@ -2726,13 +2736,20 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { &self, err: &mut Diag<'_>, name: Option<&str>, - suggest: impl Fn(&mut Diag<'_>, bool, Span, Cow<'static, str>, String) -> bool, + suggest: impl Fn( + &mut Diag<'_>, + bool, + Span, + Cow<'static, str>, + String, + Vec<(Span, String)>, + ) -> bool, ) { let mut suggest_note = true; for rib in self.lifetime_ribs.iter().rev() { let mut should_continue = true; match rib.kind { - LifetimeRibKind::Generics { binder: _, span, kind } => { + LifetimeRibKind::Generics { binder, span, kind } => { // Avoid suggesting placing lifetime parameters on constant items unless the relevant // feature is enabled. Suggest the parent item as a possible location if applicable. if let LifetimeBinderKind::ConstItem = kind @@ -2761,11 +2778,53 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { | LifetimeBinderKind::PolyTrait | LifetimeBinderKind::WhereBound ); + + let mut rm_inner_binders: FxIndexSet = Default::default(); let (span, sugg) = if span.is_empty() { + let mut binder_idents: FxIndexSet = Default::default(); + binder_idents.insert(Ident::from_str(name.unwrap_or("'a"))); + + // We need to special case binders in the following situation: + // Change `T: for<'a> Trait + 'b` to `for<'a, 'b> T: Trait + 'b` + // T: for<'a> Trait + 'b + // ^^^^^^^ remove existing inner binder `for<'a>` + // for<'a, 'b> T: Trait + 'b + // ^^^^^^^^^^^ suggest outer binder `for<'a, 'b>` + if let LifetimeBinderKind::WhereBound = kind + && let Some(ast::WherePredicate::BoundPredicate( + ast::WhereBoundPredicate { bounded_ty, bounds, .. }, + )) = self.diag_metadata.current_where_predicate + && bounded_ty.id == binder + { + for bound in bounds { + if let ast::GenericBound::Trait(poly_trait_ref, _) = bound + && let span = poly_trait_ref + .span + .with_hi(poly_trait_ref.trait_ref.path.span.lo()) + && !span.is_empty() + { + rm_inner_binders.insert(span); + poly_trait_ref.bound_generic_params.iter().for_each(|v| { + binder_idents.insert(v.ident); + }); + } + } + } + + let binders_sugg = binder_idents.into_iter().enumerate().fold( + "".to_string(), + |mut binders, (i, x)| { + if i != 0 { + binders += ", "; + } + binders += x.as_str(); + binders + }, + ); let sugg = format!( "{}<{}>{}", if higher_ranked { "for" } else { "" }, - name.unwrap_or("'a"), + binders_sugg, if higher_ranked { " " } else { "" }, ); (span, sugg) @@ -2780,13 +2839,28 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { let sugg = format!("{}, ", name.unwrap_or("'a")); (span, sugg) }; + if higher_ranked { let message = Cow::from(format!( "consider making the {} lifetime-generic with a new `{}` lifetime", kind.descr(), name.unwrap_or("'a"), )); - should_continue = suggest(err, true, span, message, sugg); + should_continue = suggest( + err, + true, + span, + message, + sugg, + if !rm_inner_binders.is_empty() { + rm_inner_binders + .into_iter() + .map(|v| (v, "".to_string())) + .collect::>() + } else { + vec![] + }, + ); err.note_once( "for more information on higher-ranked polymorphism, visit \ https://doc.rust-lang.org/nomicon/hrtb.html", @@ -2794,10 +2868,10 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { } else if let Some(name) = name { let message = Cow::from(format!("consider introducing lifetime `{name}` here")); - should_continue = suggest(err, false, span, message, sugg); + should_continue = suggest(err, false, span, message, sugg, vec![]); } else { let message = Cow::from("consider introducing a named lifetime parameter"); - should_continue = suggest(err, false, span, message, sugg); + should_continue = suggest(err, false, span, message, sugg, vec![]); } } LifetimeRibKind::Item | LifetimeRibKind::ConstParamTy => break, @@ -3033,11 +3107,11 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { self.suggest_introducing_lifetime( err, None, - |err, higher_ranked, span, message, intro_sugg| { + |err, higher_ranked, span, message, intro_sugg, _| { err.multipart_suggestion_verbose( message, std::iter::once((span, intro_sugg)) - .chain(spans_suggs.iter().cloned()) + .chain(spans_suggs.clone()) .collect(), Applicability::MaybeIncorrect, ); @@ -3161,11 +3235,11 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { self.suggest_introducing_lifetime( err, None, - |err, higher_ranked, span, message, intro_sugg| { + |err, higher_ranked, span, message, intro_sugg, _| { err.multipart_suggestion_verbose( message, std::iter::once((span, intro_sugg)) - .chain(spans_suggs.iter().cloned()) + .chain(spans_suggs.clone()) .collect(), Applicability::MaybeIncorrect, ); @@ -3309,7 +3383,6 @@ fn mk_where_bound_predicate( poly_trait_ref: &ast::PolyTraitRef, ty: &Ty, ) -> Option { - use rustc_span::DUMMY_SP; let modified_segments = { let mut segments = path.segments.clone(); let [preceding @ .., second_last, last] = segments.as_mut_slice() else { diff --git a/tests/ui/generics/generic-higher-ranked-lifetime-issue-122714.rs b/tests/ui/generics/generic-higher-ranked-lifetime-issue-122714.rs new file mode 100644 index 000000000000..b2ac332b4f08 --- /dev/null +++ b/tests/ui/generics/generic-higher-ranked-lifetime-issue-122714.rs @@ -0,0 +1,28 @@ +#![allow(dead_code)] + +trait Trait1 + where T: for<'a> Trait1 + 'b { } //~ ERROR use of undeclared lifetime name `'b` + +trait Trait2 +where + T: B<'b> + for<'a> A<'a>, //~ ERROR use of undeclared lifetime name `'b` +{ +} + +trait Trait3 +where + T: B<'b> + for<'a> A<'a> + 'c {} + //~^ ERROR use of undeclared lifetime name `'b` + //~| ERROR use of undeclared lifetime name `'c` + +trait Trait4 +where + T: for<'a> A<'a> + 'x + for<'b> B<'b>, //~ ERROR use of undeclared lifetime name `'x` +{ +} + +trait A<'a> {} +trait B<'a> {} + + +fn main() {} diff --git a/tests/ui/generics/generic-higher-ranked-lifetime-issue-122714.stderr b/tests/ui/generics/generic-higher-ranked-lifetime-issue-122714.stderr new file mode 100644 index 000000000000..40f0769964f0 --- /dev/null +++ b/tests/ui/generics/generic-higher-ranked-lifetime-issue-122714.stderr @@ -0,0 +1,92 @@ +error[E0261]: use of undeclared lifetime name `'b` + --> $DIR/generic-higher-ranked-lifetime-issue-122714.rs:4:32 + | +LL | where T: for<'a> Trait1 + 'b { } + | ^^ undeclared lifetime + | + = note: for more information on higher-ranked polymorphism, visit https://doc.rust-lang.org/nomicon/hrtb.html +help: consider making the bound lifetime-generic with a new `'b` lifetime + | +LL - where T: for<'a> Trait1 + 'b { } +LL + where for<'b, 'a> T: Trait1 + 'b { } + | +help: consider introducing lifetime `'b` here + | +LL | trait Trait1<'b, T> + | +++ + +error[E0261]: use of undeclared lifetime name `'b` + --> $DIR/generic-higher-ranked-lifetime-issue-122714.rs:8:10 + | +LL | T: B<'b> + for<'a> A<'a>, + | ^^ undeclared lifetime + | +help: consider making the bound lifetime-generic with a new `'b` lifetime + | +LL | T: for<'b> B<'b> + for<'a> A<'a>, + | +++++++ +help: consider making the bound lifetime-generic with a new `'b` lifetime + | +LL - T: B<'b> + for<'a> A<'a>, +LL + for<'b, 'a> T: B<'b> + A<'a>, + | +help: consider introducing lifetime `'b` here + | +LL | trait Trait2<'b, T> + | +++ + +error[E0261]: use of undeclared lifetime name `'b` + --> $DIR/generic-higher-ranked-lifetime-issue-122714.rs:14:10 + | +LL | T: B<'b> + for<'a> A<'a> + 'c {} + | ^^ undeclared lifetime + | +help: consider making the bound lifetime-generic with a new `'b` lifetime + | +LL | T: for<'b> B<'b> + for<'a> A<'a> + 'c {} + | +++++++ +help: consider making the bound lifetime-generic with a new `'b` lifetime + | +LL - T: B<'b> + for<'a> A<'a> + 'c {} +LL + for<'b, 'a> T: B<'b> + A<'a> + 'c {} + | +help: consider introducing lifetime `'b` here + | +LL | trait Trait3<'b, T> + | +++ + +error[E0261]: use of undeclared lifetime name `'c` + --> $DIR/generic-higher-ranked-lifetime-issue-122714.rs:14:32 + | +LL | T: B<'b> + for<'a> A<'a> + 'c {} + | ^^ undeclared lifetime + | +help: consider making the bound lifetime-generic with a new `'c` lifetime + | +LL - T: B<'b> + for<'a> A<'a> + 'c {} +LL + for<'c, 'a> T: B<'b> + A<'a> + 'c {} + | +help: consider introducing lifetime `'c` here + | +LL | trait Trait3<'c, T> + | +++ + +error[E0261]: use of undeclared lifetime name `'x` + --> $DIR/generic-higher-ranked-lifetime-issue-122714.rs:20:24 + | +LL | T: for<'a> A<'a> + 'x + for<'b> B<'b>, + | ^^ undeclared lifetime + | +help: consider making the bound lifetime-generic with a new `'x` lifetime + | +LL - T: for<'a> A<'a> + 'x + for<'b> B<'b>, +LL + for<'x, 'a, 'b> T: A<'a> + 'x + B<'b>, + | +help: consider introducing lifetime `'x` here + | +LL | trait Trait4<'x, T> + | +++ + +error: aborting due to 5 previous errors + +For more information about this error, try `rustc --explain E0261`. From c31ec4fb043a8008785d21fb0d5fd9690d66f346 Mon Sep 17 00:00:00 2001 From: Taiki Endo Date: Sun, 24 Mar 2024 18:00:56 +0900 Subject: [PATCH 0287/1716] Fix c_char on AIX Refs: https://github.com/rust-lang/rust/issues/122985 --- library/core/src/ffi/mod.rs | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/library/core/src/ffi/mod.rs b/library/core/src/ffi/mod.rs index 27dacbb23d95..618897b3abab 100644 --- a/library/core/src/ffi/mod.rs +++ b/library/core/src/ffi/mod.rs @@ -133,7 +133,8 @@ mod c_char_definition { any(target_arch = "aarch64", target_arch = "riscv64") ), all(target_os = "nto", target_arch = "aarch64"), - target_os = "horizon" + target_os = "horizon", + target_os = "aix", ))] { pub type c_char = u8; } else { From a4efe6fe27eb3dcd48518dd7318319acec30efd3 Mon Sep 17 00:00:00 2001 From: Joshua Wong Date: Sun, 19 May 2024 19:10:45 -0500 Subject: [PATCH 0288/1716] add codegen test for issue 120493 --- tests/codegen/vec-in-place.rs | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/tests/codegen/vec-in-place.rs b/tests/codegen/vec-in-place.rs index 7a175dc4f7e1..c6b77363a4e5 100644 --- a/tests/codegen/vec-in-place.rs +++ b/tests/codegen/vec-in-place.rs @@ -90,3 +90,25 @@ pub fn vec_iterator_cast_deaggregate_fold(vec: Vec) -> Vec<[u64; 4]> { // correct. vec.into_iter().map(|e| unsafe { std::mem::transmute(e) }).collect() } + +// CHECK-LABEL: @vec_iterator_cast_unwrap_drop +#[no_mangle] +pub fn vec_iterator_cast_unwrap_drop(vec: Vec>) -> Vec { + // CHECK-NOT: br i1 %{{.*}}, label %{{.*}}, label %{{.*}} + // CHECK-NOT: call + // CHECK-NOT: %{{.*}} = mul + // CHECK-NOT: %{{.*}} = udiv + + vec.into_iter().map(|Wrapper(e)| e).collect() +} + +// CHECK-LABEL: @vec_iterator_cast_wrap_drop +#[no_mangle] +pub fn vec_iterator_cast_wrap_drop(vec: Vec) -> Vec> { + // CHECK-NOT: br i1 %{{.*}}, label %{{.*}}, label %{{.*}} + // CHECK-NOT: call + // CHECK-NOT: %{{.*}} = mul + // CHECK-NOT: %{{.*}} = udiv + + vec.into_iter().map(Wrapper).collect() +} From e287044149edf039ffd584557b4bf05507a9f213 Mon Sep 17 00:00:00 2001 From: Bernardo Meurer Costa Date: Tue, 14 May 2024 18:47:15 +0000 Subject: [PATCH 0289/1716] refactor: add rustc-perf submodule to src/tools Currently, it's very challenging to perform a sandboxed `opt-dist` bootstrap because the tool requires `rustc-perf` to be present, but there is no proper management/tracking of it. Instead, a specific commit is hardcoded where it is needed, and a non-checksummed zip is fetched ad-hoc. This happens in two places: `src/ci/docker/host-x86_64/dist-x86_64-linux/Dockerfile`: ```dockerfile ENV PERF_COMMIT 4f313add609f43e928e98132358e8426ed3969ae RUN curl -LS -o perf.zip https://ci-mirrors.rust-lang.org/rustc/rustc-perf-$PERF_COMMIT.zip && \ unzip perf.zip && \ mv rustc-perf-$PERF_COMMIT rustc-perf && \ rm perf.zip ``` `src/tools/opt-dist/src/main.rs` ```rust // FIXME: add some mechanism for synchronization of this commit SHA with // Linux (which builds rustc-perf in a Dockerfile) // rustc-perf version from 2023-10-22 const PERF_COMMIT: &str = "4f313add609f43e928e98132358e8426ed3969ae"; let url = format!("https://ci-mirrors.rust-lang.org/rustc/rustc-perf-{PERF_COMMIT}.zip"); let client = reqwest::blocking::Client::builder() .timeout(Duration::from_secs(60 * 2)) .connect_timeout(Duration::from_secs(60 * 2)) .build()?; let response = retry_action( || Ok(client.get(&url).send()?.error_for_status()?.bytes()?.to_vec()), "Download rustc-perf archive", 5, )?; ``` This causes a few issues: 1. Maintainers need to be careful to bump PERF_COMMIT in both places every time 2. In order to run `opt-dist` in a sandbox, you need to provide your own `rustc-perf` (https://github.com/rust-lang/rust/pull/125125), but to figure out which commit to provide you need to grep the Dockerfile 3. Even if you manage to provide the correct `rustc-perf`, its dependencies are not included in the `vendor/` dir created during `dist`, so it will fail to build from the published source tarballs 4. It is hard to provide any level of automation around updating the `rustc-perf` in use, leading to staleness Fundamentally, this means `rustc-src` tarballs no longer contain everything you need to bootstrap Rust, and packagers hoping to leverage `opt-dist` need to go out of their way to keep track of this "hidden" dependency on `rustc-perf`. This change adds rustc-perf as a git submodule, pinned to the current `PERF_COMMIT` 4f313add609f43e928e98132358e8426ed3969ae. Subsequent commits ensure the submodule is initialized when necessary, and make use of it in `opt-dist`. --- .gitmodules | 4 ++++ rustfmt.toml | 1 + src/tools/rustc-perf | 1 + src/tools/tidy/config/black.toml | 1 + src/tools/tidy/config/ruff.toml | 2 ++ src/tools/tidy/src/walk.rs | 1 + 6 files changed, 10 insertions(+) create mode 160000 src/tools/rustc-perf diff --git a/.gitmodules b/.gitmodules index 75faaba71517..9ad207a0d522 100644 --- a/.gitmodules +++ b/.gitmodules @@ -43,3 +43,7 @@ path = library/backtrace url = https://github.com/rust-lang/backtrace-rs.git shallow = true +[submodule "src/tools/rustc-perf"] + path = src/tools/rustc-perf + url = https://github.com/rust-lang/rustc-perf.git + shallow = true diff --git a/rustfmt.toml b/rustfmt.toml index 850d01ea7cb8..ef56059feb1c 100644 --- a/rustfmt.toml +++ b/rustfmt.toml @@ -40,6 +40,7 @@ ignore = [ "src/tools/clippy", "src/tools/miri", "src/tools/rust-analyzer", + "src/tools/rustc-perf", "src/tools/rustfmt", # these are ignored by a standard cargo fmt run diff --git a/src/tools/rustc-perf b/src/tools/rustc-perf new file mode 160000 index 000000000000..4f313add609f --- /dev/null +++ b/src/tools/rustc-perf @@ -0,0 +1 @@ +Subproject commit 4f313add609f43e928e98132358e8426ed3969ae diff --git a/src/tools/tidy/config/black.toml b/src/tools/tidy/config/black.toml index 51a722979f55..e73847a93ba4 100644 --- a/src/tools/tidy/config/black.toml +++ b/src/tools/tidy/config/black.toml @@ -11,5 +11,6 @@ extend-exclude = """(\ src/doc/edition-guide/|\ src/llvm-project/|\ src/doc/embedded-book/|\ + src/tools/rustc-perf/|\ library/backtrace/ )""" diff --git a/src/tools/tidy/config/ruff.toml b/src/tools/tidy/config/ruff.toml index cf08c62648b3..cf89ffd9ac73 100644 --- a/src/tools/tidy/config/ruff.toml +++ b/src/tools/tidy/config/ruff.toml @@ -26,6 +26,7 @@ extend-exclude = [ "src/llvm-project/", "src/doc/embedded-book/", "library/backtrace/", + "src/tools/rustc-perf/", # Hack: CI runs from a subdirectory under the main checkout "../src/doc/nomicon/", "../src/tools/cargo/", @@ -38,4 +39,5 @@ extend-exclude = [ "../src/llvm-project/", "../src/doc/embedded-book/", "../library/backtrace/", + "../src/tools/rustc-perf/", ] diff --git a/src/tools/tidy/src/walk.rs b/src/tools/tidy/src/walk.rs index 851c21f1c0f0..f68b7675c769 100644 --- a/src/tools/tidy/src/walk.rs +++ b/src/tools/tidy/src/walk.rs @@ -18,6 +18,7 @@ pub fn filter_dirs(path: &Path) -> bool { "src/tools/clippy", "src/tools/miri", "src/tools/rust-analyzer", + "src/tools/rustc-perf", "src/tools/rustfmt", "src/doc/book", "src/doc/edition-guide", From 4c075c622cd929c1561fcbfc369813aceefb86f1 Mon Sep 17 00:00:00 2001 From: Bernardo Meurer Costa Date: Tue, 14 May 2024 21:18:31 +0000 Subject: [PATCH 0290/1716] refactor(bootstrap): update rustc-perf submodule when building opt-dist This avoids having normal builds pay the cost of initializing that submodule, while still ensuring it's available whenever `opt-dist` is built. Note that, at this point, `opt-dist` will not yet use the submodule, that will be handled in a subsequent commit. --- src/bootstrap/src/core/build_steps/tool.rs | 41 ++++++++++++++++++++-- 1 file changed, 39 insertions(+), 2 deletions(-) diff --git a/src/bootstrap/src/core/build_steps/tool.rs b/src/bootstrap/src/core/build_steps/tool.rs index 21344a4224e4..2db3f8f79364 100644 --- a/src/bootstrap/src/core/build_steps/tool.rs +++ b/src/bootstrap/src/core/build_steps/tool.rs @@ -1,6 +1,6 @@ use std::env; use std::fs; -use std::path::PathBuf; +use std::path::{Path, PathBuf}; use std::process::Command; use crate::core::build_steps::compile; @@ -313,10 +313,47 @@ bootstrap_tool!( SuggestTests, "src/tools/suggest-tests", "suggest-tests"; GenerateWindowsSys, "src/tools/generate-windows-sys", "generate-windows-sys"; RustdocGUITest, "src/tools/rustdoc-gui-test", "rustdoc-gui-test", is_unstable_tool = true, allow_features = "test"; - OptimizedDist, "src/tools/opt-dist", "opt-dist"; CoverageDump, "src/tools/coverage-dump", "coverage-dump"; ); +#[derive(Debug, Clone, Hash, PartialEq, Eq)] +pub struct OptimizedDist { + pub compiler: Compiler, + pub target: TargetSelection, +} + +impl Step for OptimizedDist { + type Output = PathBuf; + + fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> { + run.path("src/tools/opt-dist") + } + + fn make_run(run: RunConfig<'_>) { + run.builder.ensure(OptimizedDist { + compiler: run.builder.compiler(0, run.builder.config.build), + target: run.target, + }); + } + + fn run(self, builder: &Builder<'_>) -> PathBuf { + // We need to ensure the rustc-perf submodule is initialized when building opt-dist since + // the tool requires it to be in place to run. + builder.update_submodule(Path::new("src/tools/rustc-perf")); + + builder.ensure(ToolBuild { + compiler: self.compiler, + target: self.target, + tool: "opt-dist", + mode: Mode::ToolBootstrap, + path: "src/tools/opt-dist", + source_type: SourceType::InTree, + extra_features: Vec::new(), + allow_features: "", + }) + } +} + #[derive(Debug, Clone, Hash, PartialEq, Eq, Ord, PartialOrd)] pub struct ErrorIndex { pub compiler: Compiler, From a197ff325989ed200fc4730d35501b9e4064316b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Beno=C3=AEt=20du=20Garreau?= Date: Mon, 20 May 2024 17:00:11 +0200 Subject: [PATCH 0291/1716] Address review comments --- library/std/src/io/cursor.rs | 2 +- library/std/src/io/tests.rs | 32 ++++++++++++++++++++++++++++++++ 2 files changed, 33 insertions(+), 1 deletion(-) diff --git a/library/std/src/io/cursor.rs b/library/std/src/io/cursor.rs index e6c53acacaee..a1a8b2a3505c 100644 --- a/library/std/src/io/cursor.rs +++ b/library/std/src/io/cursor.rs @@ -356,7 +356,7 @@ where match result { Ok(_) => self.pos += buf.len() as u64, - // The only posible error condition is EOF + // The only possible error condition is EOF, so place the cursor at "EOF" Err(_) => self.pos = self.inner.as_ref().len() as u64, } diff --git a/library/std/src/io/tests.rs b/library/std/src/io/tests.rs index 090a091b09a1..a2c1c430863a 100644 --- a/library/std/src/io/tests.rs +++ b/library/std/src/io/tests.rs @@ -653,6 +653,38 @@ fn test_take_wrong_length() { let _ = reader.read(&mut buffer[..]); } +#[test] +fn slice_read_exact_eof() { + let slice = &b"123456"[..]; + + let mut r = slice; + assert!(r.read_exact(&mut [0; 10]).is_err()); + assert!(r.is_empty()); + + let mut r = slice; + let buf = &mut [0; 10]; + let mut buf = BorrowedBuf::from(buf.as_mut_slice()); + assert!(r.read_buf_exact(buf.unfilled()).is_err()); + assert!(r.is_empty()); + assert_eq!(buf.filled(), b"123456"); +} + +#[test] +fn cursor_read_exact_eof() { + let slice = Cursor::new(b"123456"); + + let mut r = slice.clone(); + assert!(r.read_exact(&mut [0; 10]).is_err()); + assert!(r.is_empty()); + + let mut r = slice; + let buf = &mut [0; 10]; + let mut buf = BorrowedBuf::from(buf.as_mut_slice()); + assert!(r.read_buf_exact(buf.unfilled()).is_err()); + assert!(r.is_empty()); + assert_eq!(buf.filled(), b"123456"); +} + #[bench] fn bench_take_read(b: &mut test::Bencher) { b.iter(|| { From 95c05c3e376376bb5210b62207ab3d9d01468996 Mon Sep 17 00:00:00 2001 From: Bernardo Meurer Costa Date: Wed, 15 May 2024 18:48:26 +0000 Subject: [PATCH 0292/1716] refactor(opt-dist): use rustc-perf from rustc checkout This replaces the hardcoded rustc-perf commit and ad-hoc downloading and unpacking of its zipped source with defaulting to use the new rustc-perf submodule. While it would be nice to make `opt-dist` able to initialize the submodule automatically when pointing to a Rust checkout _other_ than the one opt-dist was built in, that would require a bigger refactor that moved `update_submodule`, from bootstrap, into build_helper. Regardless, I imagine it must be quite rare to use `opt-dist` with a checkout that is neither from a rust-src tarball (which will contain the submodule), nor the checkout opt-dist itself was built (bootstrap will update the submodule when opt-dist is built). --- Cargo.lock | 390 --------------------------------- src/tools/opt-dist/Cargo.toml | 2 - src/tools/opt-dist/src/main.rs | 55 ++--- src/tools/tidy/src/deps.rs | 2 - 4 files changed, 14 insertions(+), 435 deletions(-) diff --git a/Cargo.lock b/Cargo.lock index 5afd71a4bed6..3a4f028e695f 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -825,16 +825,6 @@ dependencies = [ "rand_xorshift", ] -[[package]] -name = "core-foundation" -version = "0.9.4" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "91e195e091a93c46f7102ec7818a2aa394e1e1771c3ab4825963fa03e45afb8f" -dependencies = [ - "core-foundation-sys", - "libc", -] - [[package]] name = "core-foundation-sys" version = "0.8.6" @@ -1240,15 +1230,6 @@ version = "0.3.6" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "a357d28ed41a50f9c765dbfe56cbc04a64e53e5fc58ba79fbc34c10ef3df831f" -[[package]] -name = "encoding_rs" -version = "0.8.34" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b45de904aa0b010bce2ab45264d0631681847fa7b6f2eaa7dab7619943bc4f59" -dependencies = [ - "cfg-if", -] - [[package]] name = "env_filter" version = "0.1.0" @@ -1399,21 +1380,6 @@ version = "1.0.7" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1" -[[package]] -name = "foreign-types" -version = "0.3.2" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1" -dependencies = [ - "foreign-types-shared", -] - -[[package]] -name = "foreign-types-shared" -version = "0.1.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b" - [[package]] name = "form_urlencoded" version = "1.2.1" @@ -1637,25 +1603,6 @@ dependencies = [ "serde", ] -[[package]] -name = "h2" -version = "0.3.26" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "81fe527a889e1532da5c525686d96d4c2e74cdd345badf8dfef9f6b39dd5f5e8" -dependencies = [ - "bytes", - "fnv", - "futures-core", - "futures-sink", - "futures-util", - "http", - "indexmap", - "slab", - "tokio", - "tokio-util", - "tracing", -] - [[package]] name = "handlebars" version = "5.1.2" @@ -1766,40 +1713,6 @@ dependencies = [ "syn 2.0.64", ] -[[package]] -name = "http" -version = "0.2.12" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "601cbb57e577e2f5ef5be8e7b83f0f63994f25aa94d673e54a92d5c516d101f1" -dependencies = [ - "bytes", - "fnv", - "itoa", -] - -[[package]] -name = "http-body" -version = "0.4.6" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "7ceab25649e9960c0311ea418d17bee82c0dcec1bd053b5f9a66e265a693bed2" -dependencies = [ - "bytes", - "http", - "pin-project-lite", -] - -[[package]] -name = "httparse" -version = "1.8.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d897f394bad6a705d5f4104762e116a75639e470d80901eed05a860a95cb1904" - -[[package]] -name = "httpdate" -version = "1.0.3" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "df3b46402a9d5adb4c86a0cf463f42e19994e3ee891101b1841f30a545cb49a9" - [[package]] name = "humansize" version = "2.1.3" @@ -1815,43 +1728,6 @@ version = "2.1.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4" -[[package]] -name = "hyper" -version = "0.14.28" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "bf96e135eb83a2a8ddf766e426a841d8ddd7449d5f00d34ea02b41d2f19eef80" -dependencies = [ - "bytes", - "futures-channel", - "futures-core", - "futures-util", - "h2", - "http", - "http-body", - "httparse", - "httpdate", - "itoa", - "pin-project-lite", - "socket2", - "tokio", - "tower-service", - "tracing", - "want", -] - -[[package]] -name = "hyper-tls" -version = "0.5.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d6183ddfa99b85da61a140bea0efc93fdf56ceaa041b37d553518030827f9905" -dependencies = [ - "bytes", - "hyper", - "native-tls", - "tokio", - "tokio-native-tls", -] - [[package]] name = "iana-time-zone" version = "0.1.60" @@ -2095,12 +1971,6 @@ dependencies = [ "unic-langid", ] -[[package]] -name = "ipnet" -version = "2.9.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "8f518f335dce6725a761382244631d86cf0ccb2863413590b31338feb467f9c3" - [[package]] name = "is_terminal_polyfill" version = "1.70.0" @@ -2529,17 +2399,6 @@ dependencies = [ "rustc-std-workspace-core", ] -[[package]] -name = "mio" -version = "0.8.11" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "a4a650543ca06a924e8b371db273b2756685faae30f8487da1b56505a8f78b0c" -dependencies = [ - "libc", - "wasi", - "windows-sys 0.48.0", -] - [[package]] name = "miow" version = "0.6.0" @@ -2577,24 +2436,6 @@ dependencies = [ name = "miropt-test-tools" version = "0.1.0" -[[package]] -name = "native-tls" -version = "0.2.11" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "07226173c32f2926027b63cce4bcd8076c3552846cbe7925f3aaffeac0a3b92e" -dependencies = [ - "lazy_static", - "libc", - "log", - "openssl", - "openssl-probe", - "openssl-sys", - "schannel", - "security-framework", - "security-framework-sys", - "tempfile", -] - [[package]] name = "new_debug_unreachable" version = "1.0.6" @@ -2758,32 +2599,6 @@ dependencies = [ "windows-sys 0.52.0", ] -[[package]] -name = "openssl" -version = "0.10.64" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "95a0481286a310808298130d22dd1fef0fa571e05a8f44ec801801e84b216b1f" -dependencies = [ - "bitflags 2.5.0", - "cfg-if", - "foreign-types", - "libc", - "once_cell", - "openssl-macros", - "openssl-sys", -] - -[[package]] -name = "openssl-macros" -version = "0.1.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c" -dependencies = [ - "proc-macro2", - "quote", - "syn 2.0.64", -] - [[package]] name = "openssl-probe" version = "0.1.5" @@ -2817,7 +2632,6 @@ dependencies = [ "humansize", "humantime", "log", - "reqwest", "serde", "serde_json", "sysinfo", @@ -2825,7 +2639,6 @@ dependencies = [ "tar", "tempfile", "xz2", - "zip", ] [[package]] @@ -3410,46 +3223,6 @@ dependencies = [ "walkdir", ] -[[package]] -name = "reqwest" -version = "0.11.27" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "dd67538700a17451e7cba03ac727fb961abb7607553461627b97de0b89cf4a62" -dependencies = [ - "base64", - "bytes", - "encoding_rs", - "futures-core", - "futures-util", - "h2", - "http", - "http-body", - "hyper", - "hyper-tls", - "ipnet", - "js-sys", - "log", - "mime", - "native-tls", - "once_cell", - "percent-encoding", - "pin-project-lite", - "rustls-pemfile", - "serde", - "serde_json", - "serde_urlencoded", - "sync_wrapper", - "system-configuration", - "tokio", - "tokio-native-tls", - "tower-service", - "url", - "wasm-bindgen", - "wasm-bindgen-futures", - "web-sys", - "winreg", -] - [[package]] name = "rls" version = "2.0.0" @@ -5064,15 +4837,6 @@ dependencies = [ "windows-sys 0.52.0", ] -[[package]] -name = "rustls-pemfile" -version = "1.0.4" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "1c74cae0a4cf6ccbbf5f359f08efdf8ee7e1dc532573bf0db71968cb56b1448c" -dependencies = [ - "base64", -] - [[package]] name = "rustversion" version = "1.0.17" @@ -5137,29 +4901,6 @@ version = "1.2.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49" -[[package]] -name = "security-framework" -version = "2.11.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "c627723fd09706bacdb5cf41499e95098555af3c3c29d014dc3c458ef6be11c0" -dependencies = [ - "bitflags 2.5.0", - "core-foundation", - "core-foundation-sys", - "libc", - "security-framework-sys", -] - -[[package]] -name = "security-framework-sys" -version = "2.11.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "317936bbbd05227752583946b9e66d7ce3b489f84e11a94a510b4437fef407d7" -dependencies = [ - "core-foundation-sys", - "libc", -] - [[package]] name = "self_cell" version = "0.10.3" @@ -5225,18 +4966,6 @@ dependencies = [ "serde", ] -[[package]] -name = "serde_urlencoded" -version = "0.7.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d3491c14715ca2294c4d6a88f15e84739788c1d030eed8c110436aafdaa2f3fd" -dependencies = [ - "form_urlencoded", - "itoa", - "ryu", - "serde", -] - [[package]] name = "sha1" version = "0.10.6" @@ -5516,12 +5245,6 @@ dependencies = [ "unicode-ident", ] -[[package]] -name = "sync_wrapper" -version = "0.1.2" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "2047c6ded9c721764247e62cd3b03c09ffc529b2ba5b10ec482ae507a4a70160" - [[package]] name = "synstructure" version = "0.13.1" @@ -5556,27 +5279,6 @@ dependencies = [ "test", ] -[[package]] -name = "system-configuration" -version = "0.5.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ba3a3adc5c275d719af8cb4272ea1c4a6d668a777f37e115f6d11ddbc1c8e0e7" -dependencies = [ - "bitflags 1.3.2", - "core-foundation", - "system-configuration-sys", -] - -[[package]] -name = "system-configuration-sys" -version = "0.5.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "a75fb188eb626b924683e3b95e3a48e63551fcfb51949de2f06a9d91dbee93c9" -dependencies = [ - "core-foundation-sys", - "libc", -] - [[package]] name = "tabled" version = "0.15.0" @@ -5812,34 +5514,7 @@ checksum = "1adbebffeca75fcfd058afa480fb6c0b81e165a0323f9c9d39c9697e37c46787" dependencies = [ "backtrace", "bytes", - "libc", - "mio", "pin-project-lite", - "socket2", - "windows-sys 0.48.0", -] - -[[package]] -name = "tokio-native-tls" -version = "0.3.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "bbae76ab933c85776efabc971569dd6119c580d8f5d448769dec1764bf796ef2" -dependencies = [ - "native-tls", - "tokio", -] - -[[package]] -name = "tokio-util" -version = "0.7.11" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "9cf6b47b3771c49ac75ad09a6162f53ad4b8088b76ac60e8ec1455b31a189fe1" -dependencies = [ - "bytes", - "futures-core", - "futures-sink", - "pin-project-lite", - "tokio", ] [[package]] @@ -5891,12 +5566,6 @@ version = "0.2.2" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "ea68304e134ecd095ac6c3574494fc62b909f416c4fca77e440530221e549d3d" -[[package]] -name = "tower-service" -version = "0.3.2" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b6bc1c9ce2b5135ac7f93c72918fc37feb872bdc6a5533a8b85eb4b86bfdae52" - [[package]] name = "tracing" version = "0.1.37" @@ -5982,12 +5651,6 @@ dependencies = [ "tracing-subscriber", ] -[[package]] -name = "try-lock" -version = "0.2.5" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b" - [[package]] name = "twox-hash" version = "1.6.3" @@ -6314,15 +5977,6 @@ dependencies = [ "winapi-util", ] -[[package]] -name = "want" -version = "0.3.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "bfa7760aed19e106de2c7c0b581b509f2f25d3dacaf737cb82ac61bc6d760b0e" -dependencies = [ - "try-lock", -] - [[package]] name = "wasi" version = "0.11.0+wasi-snapshot-preview1" @@ -6359,18 +6013,6 @@ dependencies = [ "wasm-bindgen-shared", ] -[[package]] -name = "wasm-bindgen-futures" -version = "0.4.42" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "76bc14366121efc8dbb487ab05bcc9d346b3b5ec0eaa76e46594cabbe51762c0" -dependencies = [ - "cfg-if", - "js-sys", - "wasm-bindgen", - "web-sys", -] - [[package]] name = "wasm-bindgen-macro" version = "0.2.92" @@ -6419,16 +6061,6 @@ dependencies = [ "semver", ] -[[package]] -name = "web-sys" -version = "0.3.69" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "77afa9a11836342370f4817622a2f0f418b134426d91a82dfb48f532d2ec13ef" -dependencies = [ - "js-sys", - "wasm-bindgen", -] - [[package]] name = "winapi" version = "0.3.9" @@ -6647,16 +6279,6 @@ dependencies = [ "memchr", ] -[[package]] -name = "winreg" -version = "0.50.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "524e57b2c537c0f9b1e69f1965311ec12182b4122e45035b1508cd24d2adadb1" -dependencies = [ - "cfg-if", - "windows-sys 0.48.0", -] - [[package]] name = "writeable" version = "0.5.4" @@ -6778,15 +6400,3 @@ dependencies = [ "quote", "syn 2.0.64", ] - -[[package]] -name = "zip" -version = "0.6.6" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "760394e246e4c28189f19d488c058bf16f564016aefac5d32bb1f3b51d5e9261" -dependencies = [ - "byteorder", - "crc32fast", - "crossbeam-utils", - "flate2", -] diff --git a/src/tools/opt-dist/Cargo.toml b/src/tools/opt-dist/Cargo.toml index 1ff410e723af..88e8640d56ab 100644 --- a/src/tools/opt-dist/Cargo.toml +++ b/src/tools/opt-dist/Cargo.toml @@ -13,8 +13,6 @@ humansize = "2" sysinfo = { version = "0.30", default-features = false } fs_extra = "1" camino = "1" -reqwest = { version = "0.11", features = ["blocking"] } -zip = { version = "0.6", default-features = false, features = ["deflate"] } tar = "0.4" xz = { version = "0.1", package = "xz2" } serde = { version = "1", features = ["derive"] } diff --git a/src/tools/opt-dist/src/main.rs b/src/tools/opt-dist/src/main.rs index bd0a3815855d..a709076f2458 100644 --- a/src/tools/opt-dist/src/main.rs +++ b/src/tools/opt-dist/src/main.rs @@ -3,10 +3,7 @@ use anyhow::Context; use camino::{Utf8Path, Utf8PathBuf}; use clap::Parser; use log::LevelFilter; -use std::io::Cursor; -use std::time::Duration; use utils::io; -use zip::ZipArchive; use crate::environment::{Environment, EnvironmentBuilder}; use crate::exec::{cmd, Bootstrap}; @@ -17,9 +14,9 @@ use crate::training::{ rustc_benchmarks, }; use crate::utils::artifact_size::print_binary_sizes; -use crate::utils::io::{copy_directory, move_directory, reset_directory}; +use crate::utils::io::{copy_directory, reset_directory}; use crate::utils::{ - clear_llvm_files, format_env_variables, print_free_disk_space, retry_action, with_log_group, + clear_llvm_files, format_env_variables, print_free_disk_space, with_log_group, write_timer_to_summary, }; @@ -69,7 +66,12 @@ enum EnvironmentCmd { #[arg(long, default_value = "opt-artifacts")] artifact_dir: Utf8PathBuf, - /// Checkout directory of `rustc-perf`, it will be fetched automatically if unspecified. + /// Checkout directory of `rustc-perf`. + /// + /// If unspecified, defaults to the rustc-perf submodule in the rustc checkout dir + /// (`src/tools/rustc-perf`), which should have been initialized when building this tool. + // FIXME: Move update_submodule into build_helper, that way we can also ensure the submodule + // is updated when _running_ opt-dist, rather than building. #[arg(long)] rustc_perf_checkout_dir: Option, @@ -146,8 +148,6 @@ fn create_environment(args: Args) -> anyhow::Result<(Environment, Vec)> .host_llvm_dir(Utf8PathBuf::from("/rustroot")) .artifact_dir(Utf8PathBuf::from("/tmp/tmp-multistage/opt-artifacts")) .build_dir(checkout_dir.join("obj")) - // /tmp/rustc-perf comes from the x64 dist Dockerfile - .prebuilt_rustc_perf(Some(Utf8PathBuf::from("/tmp/rustc-perf"))) .shared_llvm(true) .use_bolt(true) .skipped_tests(vec![ @@ -191,9 +191,12 @@ fn execute_pipeline( ) -> anyhow::Result<()> { reset_directory(&env.artifact_dir())?; - with_log_group("Building rustc-perf", || match env.prebuilt_rustc_perf() { - Some(dir) => copy_rustc_perf(env, &dir), - None => download_rustc_perf(env), + with_log_group("Building rustc-perf", || { + let rustc_perf_checkout_dir = match env.prebuilt_rustc_perf() { + Some(dir) => dir, + None => env.checkout_path().join("src").join("tools").join("rustc-perf"), + }; + copy_rustc_perf(env, &rustc_perf_checkout_dir) })?; // Stage 1: Build PGO instrumented rustc @@ -409,36 +412,6 @@ fn copy_rustc_perf(env: &Environment, dir: &Utf8Path) -> anyhow::Result<()> { build_rustc_perf(env) } -// Download and build rustc-perf into the given environment. -fn download_rustc_perf(env: &Environment) -> anyhow::Result<()> { - reset_directory(&env.rustc_perf_dir())?; - - // FIXME: add some mechanism for synchronization of this commit SHA with - // Linux (which builds rustc-perf in a Dockerfile) - // rustc-perf version from 2023-10-22 - const PERF_COMMIT: &str = "4f313add609f43e928e98132358e8426ed3969ae"; - - let url = format!("https://ci-mirrors.rust-lang.org/rustc/rustc-perf-{PERF_COMMIT}.zip"); - let client = reqwest::blocking::Client::builder() - .timeout(Duration::from_secs(60 * 2)) - .connect_timeout(Duration::from_secs(60 * 2)) - .build()?; - let response = retry_action( - || Ok(client.get(&url).send()?.error_for_status()?.bytes()?.to_vec()), - "Download rustc-perf archive", - 5, - )?; - - let mut archive = ZipArchive::new(Cursor::new(response))?; - archive.extract(env.rustc_perf_dir())?; - move_directory( - &env.rustc_perf_dir().join(format!("rustc-perf-{PERF_COMMIT}")), - &env.rustc_perf_dir(), - )?; - - build_rustc_perf(env) -} - fn build_rustc_perf(env: &Environment) -> anyhow::Result<()> { cmd(&[env.cargo_stage_0().as_str(), "build", "-p", "collector"]) .workdir(&env.rustc_perf_dir()) diff --git a/src/tools/tidy/src/deps.rs b/src/tools/tidy/src/deps.rs index 58f4455ae2f4..efcd2a181ffa 100644 --- a/src/tools/tidy/src/deps.rs +++ b/src/tools/tidy/src/deps.rs @@ -81,12 +81,10 @@ const EXCEPTIONS: ExceptionList = &[ ("ar_archive_writer", "Apache-2.0 WITH LLVM-exception"), // rustc ("colored", "MPL-2.0"), // rustfmt ("dissimilar", "Apache-2.0"), // rustdoc, rustc_lexer (few tests) via expect-test, (dev deps) - ("encoding_rs", "(Apache-2.0 OR MIT) AND BSD-3-Clause"), // opt-dist ("fluent-langneg", "Apache-2.0"), // rustc (fluent translations) ("fortanix-sgx-abi", "MPL-2.0"), // libstd but only for `sgx` target. FIXME: this dependency violates the documentation comment above. ("instant", "BSD-3-Clause"), // rustc_driver/tracing-subscriber/parking_lot ("mdbook", "MPL-2.0"), // mdbook - ("openssl", "Apache-2.0"), // opt-dist ("option-ext", "MPL-2.0"), // cargo-miri (via `directories`) ("rustc_apfloat", "Apache-2.0 WITH LLVM-exception"), // rustc (license is the same as LLVM uses) ("ryu", "Apache-2.0 OR BSL-1.0"), // BSL is not acceptble, but we use it under Apache-2.0 // cargo/... (because of serde) From d9a7868ceb960dba9c33c7801bfa1a9996ffe775 Mon Sep 17 00:00:00 2001 From: Bernardo Meurer Costa Date: Wed, 15 May 2024 20:19:49 +0000 Subject: [PATCH 0293/1716] refactor(ci/docker/dist-x86_64-linux): remove rustc-perf downloading It is now available as a submodule in src/tools/rustc-perf, and is initialized when building opt-dist --- src/ci/docker/host-x86_64/dist-x86_64-linux/Dockerfile | 8 -------- 1 file changed, 8 deletions(-) diff --git a/src/ci/docker/host-x86_64/dist-x86_64-linux/Dockerfile b/src/ci/docker/host-x86_64/dist-x86_64-linux/Dockerfile index fe84c23a11c1..4e1aae982213 100644 --- a/src/ci/docker/host-x86_64/dist-x86_64-linux/Dockerfile +++ b/src/ci/docker/host-x86_64/dist-x86_64-linux/Dockerfile @@ -58,14 +58,6 @@ COPY host-x86_64/dist-x86_64-linux/build-clang.sh /tmp/ RUN ./build-clang.sh ENV CC=clang CXX=clang++ -# rustc-perf version from 2023-10-22 -# Should also be changed in the opt-dist tool for other environments. -ENV PERF_COMMIT 4f313add609f43e928e98132358e8426ed3969ae -RUN curl -LS -o perf.zip https://ci-mirrors.rust-lang.org/rustc/rustc-perf-$PERF_COMMIT.zip && \ - unzip perf.zip && \ - mv rustc-perf-$PERF_COMMIT rustc-perf && \ - rm perf.zip - COPY scripts/sccache.sh /scripts/ RUN sh /scripts/sccache.sh From 4550fb52d172101115b5c31a41f7d9b171d6c10c Mon Sep 17 00:00:00 2001 From: Bernardo Meurer Costa Date: Wed, 15 May 2024 20:56:50 +0000 Subject: [PATCH 0294/1716] chore(bootstrap/core/build_steps/dist): add fixme for duplicated vendor logic --- src/bootstrap/src/core/build_steps/dist.rs | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/bootstrap/src/core/build_steps/dist.rs b/src/bootstrap/src/core/build_steps/dist.rs index 1f006e1453f4..2feb59d3aad2 100644 --- a/src/bootstrap/src/core/build_steps/dist.rs +++ b/src/bootstrap/src/core/build_steps/dist.rs @@ -1010,6 +1010,9 @@ impl Step for PlainSourceTarball { if builder.rust_info().is_managed_git_subrepository() || builder.rust_info().is_from_tarball() { + // FIXME: This code looks _very_ similar to what we have in `src/core/build_steps/vendor.rs` + // perhaps it should be removed in favor of making `dist` perform the `vendor` step? + // Ensure we have all submodules from src and other directories checked out. for submodule in builder.get_all_submodules() { builder.update_submodule(Path::new(submodule)); From e253718ce445c8f52a55160aaeef42510aa0110b Mon Sep 17 00:00:00 2001 From: Bernardo Meurer Costa Date: Wed, 15 May 2024 20:58:19 +0000 Subject: [PATCH 0295/1716] refactor(bootstrap/core/build_steps/dist): vendor dependencies needed for opt-dist --- src/bootstrap/src/core/build_steps/dist.rs | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/bootstrap/src/core/build_steps/dist.rs b/src/bootstrap/src/core/build_steps/dist.rs index 2feb59d3aad2..91039d0c8dcc 100644 --- a/src/bootstrap/src/core/build_steps/dist.rs +++ b/src/bootstrap/src/core/build_steps/dist.rs @@ -1032,6 +1032,10 @@ impl Step for PlainSourceTarball { .arg(builder.src.join("./compiler/rustc_codegen_gcc/Cargo.toml")) .arg("--sync") .arg(builder.src.join("./src/bootstrap/Cargo.toml")) + .arg("--sync") + .arg(builder.src.join("./src/tools/opt-dist/Cargo.toml")) + .arg("--sync") + .arg(builder.src.join("./src/tools/rustc-perf/Cargo.toml")) // Will read the libstd Cargo.toml // which uses the unstable `public-dependency` feature. .env("RUSTC_BOOTSTRAP", "1") From 8d3bc559048e47de32e32a562fe5bbea0b38f4e6 Mon Sep 17 00:00:00 2001 From: Ben Kimock Date: Wed, 17 Apr 2024 18:47:28 -0400 Subject: [PATCH 0296/1716] Fix up a few more tests --- .../c-link-to-rust-va-list-fn/checkrust.rs | 5 +---- tests/run-make/link-path-order/main.rs | 6 ++---- tests/ui/env-null-vars.rs | 14 ++++---------- tests/ui/runtime/out-of-stack.rs | 7 +------ tests/ui/sanitizer/thread.rs | 1 - 5 files changed, 8 insertions(+), 25 deletions(-) diff --git a/tests/run-make/c-link-to-rust-va-list-fn/checkrust.rs b/tests/run-make/c-link-to-rust-va-list-fn/checkrust.rs index 5830ef033d38..e518579b906a 100644 --- a/tests/run-make/c-link-to-rust-va-list-fn/checkrust.rs +++ b/tests/run-make/c-link-to-rust-va-list-fn/checkrust.rs @@ -1,10 +1,7 @@ #![crate_type = "staticlib"] #![feature(c_variadic)] -#![feature(rustc_private)] -extern crate libc; - -use libc::{c_char, c_double, c_int, c_long, c_longlong}; +use std::ffi::{c_char, c_double, c_int, c_long, c_longlong}; use std::ffi::VaList; use std::ffi::{CString, CStr}; diff --git a/tests/run-make/link-path-order/main.rs b/tests/run-make/link-path-order/main.rs index 8024e343d19a..20a517dcda9b 100644 --- a/tests/run-make/link-path-order/main.rs +++ b/tests/run-make/link-path-order/main.rs @@ -1,10 +1,8 @@ -#![feature(rustc_private)] - -extern crate libc; +use std::ffi::c_int; #[link(name = "foo", kind = "static")] extern "C" { - fn should_return_one() -> libc::c_int; + fn should_return_one() -> c_int; } fn main() { diff --git a/tests/ui/env-null-vars.rs b/tests/ui/env-null-vars.rs index bb86fd353c4e..24d783553d12 100644 --- a/tests/ui/env-null-vars.rs +++ b/tests/ui/env-null-vars.rs @@ -1,21 +1,15 @@ +// Ensure that env::vars() does not panic if environ is null. +// Regression test for rust-lang/rust#53200 //@ run-pass -#![allow(unused_imports)] - -//@ ignore-windows - -// issue-53200 - #![feature(rustc_private)] -extern crate libc; - -use std::env; // FIXME: more platforms? #[cfg(target_os = "linux")] fn main() { + extern crate libc; unsafe { libc::clearenv(); } - assert_eq!(env::vars().count(), 0); + assert_eq!(std::env::vars().count(), 0); } #[cfg(not(target_os = "linux"))] diff --git a/tests/ui/runtime/out-of-stack.rs b/tests/ui/runtime/out-of-stack.rs index ab2b50b293ce..a62398df8b80 100644 --- a/tests/ui/runtime/out-of-stack.rs +++ b/tests/ui/runtime/out-of-stack.rs @@ -8,21 +8,16 @@ //@ ignore-fuchsia must translate zircon signal to SIGABRT, FIXME (#58590) //@ ignore-nto no stack overflow handler used (no alternate stack available) -#![feature(core_intrinsics)] #![feature(rustc_private)] #[cfg(unix)] extern crate libc; use std::env; +use std::hint::black_box; use std::process::Command; use std::thread; -// Inlining to avoid llvm turning the recursive functions into tail calls, -// which doesn't consume stack. -#[inline(always)] -pub fn black_box(dummy: T) { std::intrinsics::black_box(dummy); } - fn silent_recurse() { let buf = [0u8; 1000]; black_box(buf); diff --git a/tests/ui/sanitizer/thread.rs b/tests/ui/sanitizer/thread.rs index 9d9ad6ee5186..566774d6b1d6 100644 --- a/tests/ui/sanitizer/thread.rs +++ b/tests/ui/sanitizer/thread.rs @@ -20,7 +20,6 @@ //@ error-pattern: Location is heap block of size 4 //@ error-pattern: allocated by main thread -#![feature(raw_ref_op)] #![feature(rustc_private)] extern crate libc; From e0632d7cec42a68be84ab85d3c69b0fb6fa45f02 Mon Sep 17 00:00:00 2001 From: Ben Kimock Date: Thu, 18 Apr 2024 16:50:06 -0400 Subject: [PATCH 0297/1716] Add only-unix to sigpipe tests --- tests/ui/runtime/on-broken-pipe/error.rs | 1 + tests/ui/runtime/on-broken-pipe/inherit.rs | 1 + tests/ui/runtime/on-broken-pipe/kill.rs | 1 + tests/ui/runtime/on-broken-pipe/not-used.rs | 1 + tests/ui/runtime/on-broken-pipe/with-rustc_main.rs | 1 + 5 files changed, 5 insertions(+) diff --git a/tests/ui/runtime/on-broken-pipe/error.rs b/tests/ui/runtime/on-broken-pipe/error.rs index ab2036c2f415..0a020873df08 100644 --- a/tests/ui/runtime/on-broken-pipe/error.rs +++ b/tests/ui/runtime/on-broken-pipe/error.rs @@ -1,6 +1,7 @@ //@ run-pass //@ aux-build:sigpipe-utils.rs //@ compile-flags: -Zon-broken-pipe=error +//@ only-unix because SIGPIPE is a unix thing fn main() { extern crate sigpipe_utils; diff --git a/tests/ui/runtime/on-broken-pipe/inherit.rs b/tests/ui/runtime/on-broken-pipe/inherit.rs index 64909b735281..f3c8140eaaef 100644 --- a/tests/ui/runtime/on-broken-pipe/inherit.rs +++ b/tests/ui/runtime/on-broken-pipe/inherit.rs @@ -4,6 +4,7 @@ //@ aux-bin: assert-inherit-sig_ign.rs //@ run-pass //@ compile-flags: -Zon-broken-pipe=kill +//@ only-unix because SIGPIPE is a unix thing #![feature(rustc_private)] diff --git a/tests/ui/runtime/on-broken-pipe/kill.rs b/tests/ui/runtime/on-broken-pipe/kill.rs index 5dace6f1c6ff..748e53ffcdbe 100644 --- a/tests/ui/runtime/on-broken-pipe/kill.rs +++ b/tests/ui/runtime/on-broken-pipe/kill.rs @@ -1,6 +1,7 @@ //@ run-pass //@ aux-build:sigpipe-utils.rs //@ compile-flags: -Zon-broken-pipe=kill +//@ only-unix because SIGPIPE is a unix thing fn main() { extern crate sigpipe_utils; diff --git a/tests/ui/runtime/on-broken-pipe/not-used.rs b/tests/ui/runtime/on-broken-pipe/not-used.rs index e31236f2b3df..22a26047874f 100644 --- a/tests/ui/runtime/on-broken-pipe/not-used.rs +++ b/tests/ui/runtime/on-broken-pipe/not-used.rs @@ -1,5 +1,6 @@ //@ run-pass //@ aux-build:sigpipe-utils.rs +//@ only-unix because SIGPIPE is a unix thing fn main() { extern crate sigpipe_utils; diff --git a/tests/ui/runtime/on-broken-pipe/with-rustc_main.rs b/tests/ui/runtime/on-broken-pipe/with-rustc_main.rs index c1731200038b..c40590ad87f4 100644 --- a/tests/ui/runtime/on-broken-pipe/with-rustc_main.rs +++ b/tests/ui/runtime/on-broken-pipe/with-rustc_main.rs @@ -1,6 +1,7 @@ //@ run-pass //@ aux-build:sigpipe-utils.rs //@ compile-flags: -Zon-broken-pipe=kill +//@ only-unix because SIGPIPE is a unix thing #![feature(rustc_attrs)] From 18b0a07d4912f4bdd7f74c03ca3a61f93609b323 Mon Sep 17 00:00:00 2001 From: Ben Kimock Date: Thu, 18 Apr 2024 17:03:17 -0400 Subject: [PATCH 0298/1716] Handle a few more simple tests --- tests/ui/error-codes/E0259.rs | 4 ++-- tests/ui/error-codes/E0259.stderr | 4 ++-- tests/ui/imports/issue-37887.rs | 4 ++-- tests/ui/imports/issue-37887.stderr | 16 ++++++++-------- tests/ui/lint/unnecessary-extern-crate.rs | 14 +++++++------- tests/ui/lint/unnecessary-extern-crate.stderr | 12 ++++++------ tests/ui/meta/no_std-extern-libc.rs | 1 + tests/ui/process/no-stdio.rs | 8 +++++--- tests/ui/wait-forked-but-failed-child.rs | 3 +-- 9 files changed, 34 insertions(+), 32 deletions(-) diff --git a/tests/ui/error-codes/E0259.rs b/tests/ui/error-codes/E0259.rs index e7e94d58635c..78e56deccb4c 100644 --- a/tests/ui/error-codes/E0259.rs +++ b/tests/ui/error-codes/E0259.rs @@ -1,8 +1,8 @@ -#![feature(rustc_private)] +#![feature(test)] extern crate alloc; -extern crate libc as alloc; +extern crate test as alloc; //~^ ERROR E0259 fn main() {} diff --git a/tests/ui/error-codes/E0259.stderr b/tests/ui/error-codes/E0259.stderr index 6e086268fc6d..975d1a161a01 100644 --- a/tests/ui/error-codes/E0259.stderr +++ b/tests/ui/error-codes/E0259.stderr @@ -4,13 +4,13 @@ error[E0259]: the name `alloc` is defined multiple times LL | extern crate alloc; | ------------------- previous import of the extern crate `alloc` here LL | -LL | extern crate libc as alloc; +LL | extern crate test as alloc; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ `alloc` reimported here | = note: `alloc` must be defined only once in the type namespace of this module help: you can use `as` to change the binding name of the import | -LL | extern crate libc as other_alloc; +LL | extern crate test as other_alloc; | error: aborting due to 1 previous error diff --git a/tests/ui/imports/issue-37887.rs b/tests/ui/imports/issue-37887.rs index 58f0c6b651ad..919f46d34c6d 100644 --- a/tests/ui/imports/issue-37887.rs +++ b/tests/ui/imports/issue-37887.rs @@ -1,4 +1,4 @@ fn main() { - extern crate libc; //~ ERROR use of unstable - use libc::*; //~ ERROR unresolved import + extern crate test; //~ ERROR use of unstable + use test::*; //~ ERROR unresolved import } diff --git a/tests/ui/imports/issue-37887.stderr b/tests/ui/imports/issue-37887.stderr index 6117fd21af18..e7792ac0d159 100644 --- a/tests/ui/imports/issue-37887.stderr +++ b/tests/ui/imports/issue-37887.stderr @@ -1,19 +1,19 @@ -error[E0432]: unresolved import `libc` +error[E0432]: unresolved import `test` --> $DIR/issue-37887.rs:3:9 | -LL | use libc::*; - | ^^^^ maybe a missing crate `libc`? +LL | use test::*; + | ^^^^ maybe a missing crate `test`? | - = help: consider adding `extern crate libc` to use the `libc` crate + = help: consider adding `extern crate test` to use the `test` crate -error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? +error[E0658]: use of unstable library feature 'test' --> $DIR/issue-37887.rs:2:5 | -LL | extern crate libc; +LL | extern crate test; | ^^^^^^^^^^^^^^^^^^ | - = note: see issue #27812 for more information - = help: add `#![feature(rustc_private)]` to the crate attributes to enable + = note: see issue #50297 for more information + = help: add `#![feature(test)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error: aborting due to 2 previous errors diff --git a/tests/ui/lint/unnecessary-extern-crate.rs b/tests/ui/lint/unnecessary-extern-crate.rs index 6ca3b96758f1..7f97a4c469ed 100644 --- a/tests/ui/lint/unnecessary-extern-crate.rs +++ b/tests/ui/lint/unnecessary-extern-crate.rs @@ -1,12 +1,12 @@ //@ edition:2018 #![deny(unused_extern_crates)] -#![feature(test, rustc_private)] +#![feature(test)] -extern crate libc; +extern crate core; //~^ ERROR unused extern crate //~| HELP remove -extern crate libc as x; +extern crate core as x; //~^ ERROR unused extern crate //~| HELP remove @@ -28,11 +28,11 @@ mod foo { pub(super) extern crate alloc as d; - extern crate libc; + extern crate core; //~^ ERROR unused extern crate //~| HELP remove - extern crate libc as x; + extern crate core as x; //~^ ERROR unused extern crate //~| HELP remove @@ -41,11 +41,11 @@ mod foo { pub extern crate test as y; mod bar { - extern crate libc; + extern crate core; //~^ ERROR unused extern crate //~| HELP remove - extern crate libc as x; + extern crate core as x; //~^ ERROR unused extern crate //~| HELP remove diff --git a/tests/ui/lint/unnecessary-extern-crate.stderr b/tests/ui/lint/unnecessary-extern-crate.stderr index 14ba9d052f42..1fa4aa9c9a9c 100644 --- a/tests/ui/lint/unnecessary-extern-crate.stderr +++ b/tests/ui/lint/unnecessary-extern-crate.stderr @@ -1,7 +1,7 @@ error: unused extern crate --> $DIR/unnecessary-extern-crate.rs:6:1 | -LL | extern crate libc; +LL | extern crate core; | ^^^^^^^^^^^^^^^^^^ help: remove it | note: the lint level is defined here @@ -13,31 +13,31 @@ LL | #![deny(unused_extern_crates)] error: unused extern crate --> $DIR/unnecessary-extern-crate.rs:9:1 | -LL | extern crate libc as x; +LL | extern crate core as x; | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove it error: unused extern crate --> $DIR/unnecessary-extern-crate.rs:31:5 | -LL | extern crate libc; +LL | extern crate core; | ^^^^^^^^^^^^^^^^^^ help: remove it error: unused extern crate --> $DIR/unnecessary-extern-crate.rs:35:5 | -LL | extern crate libc as x; +LL | extern crate core as x; | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove it error: unused extern crate --> $DIR/unnecessary-extern-crate.rs:44:9 | -LL | extern crate libc; +LL | extern crate core; | ^^^^^^^^^^^^^^^^^^ help: remove it error: unused extern crate --> $DIR/unnecessary-extern-crate.rs:48:9 | -LL | extern crate libc as x; +LL | extern crate core as x; | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove it error: aborting due to 6 previous errors diff --git a/tests/ui/meta/no_std-extern-libc.rs b/tests/ui/meta/no_std-extern-libc.rs index 919caf9428f7..8b89e14382d1 100644 --- a/tests/ui/meta/no_std-extern-libc.rs +++ b/tests/ui/meta/no_std-extern-libc.rs @@ -1,5 +1,6 @@ // Test that `download-rustc` doesn't put duplicate copies of libc in the sysroot. //@ check-pass +//@ ignore-windows doesn't necessarily have the libc crate #![crate_type = "lib"] #![no_std] #![feature(rustc_private)] diff --git a/tests/ui/process/no-stdio.rs b/tests/ui/process/no-stdio.rs index 05b1e52b799e..8eebf6dbc7d4 100644 --- a/tests/ui/process/no-stdio.rs +++ b/tests/ui/process/no-stdio.rs @@ -5,11 +5,13 @@ #![feature(rustc_private)] +#[cfg(unix)] extern crate libc; -use std::process::{Command, Stdio}; use std::env; +use std::ffi::c_int; use std::io::{self, Read, Write}; +use std::process::{Command, Stdio}; #[cfg(unix)] unsafe fn without_stdio R>(f: F) -> R { @@ -36,14 +38,14 @@ unsafe fn without_stdio R>(f: F) -> R { } #[cfg(unix)] -fn assert_fd_is_valid(fd: libc::c_int) { +fn assert_fd_is_valid(fd: c_int) { if unsafe { libc::fcntl(fd, libc::F_GETFD) == -1 } { panic!("file descriptor {} is not valid: {}", fd, io::Error::last_os_error()); } } #[cfg(windows)] -fn assert_fd_is_valid(_fd: libc::c_int) {} +fn assert_fd_is_valid(_fd: c_int) {} #[cfg(windows)] unsafe fn without_stdio R>(f: F) -> R { diff --git a/tests/ui/wait-forked-but-failed-child.rs b/tests/ui/wait-forked-but-failed-child.rs index 3d052cc193c5..dd6a7fa0e650 100644 --- a/tests/ui/wait-forked-but-failed-child.rs +++ b/tests/ui/wait-forked-but-failed-child.rs @@ -7,8 +7,6 @@ #![feature(rustc_private)] -extern crate libc; - use std::process::Command; // The output from "ps -A -o pid,ppid,args" should look like this: @@ -28,6 +26,7 @@ use std::process::Command; #[cfg(unix)] fn find_zombies() { + extern crate libc; let my_pid = unsafe { libc::getpid() }; // https://pubs.opengroup.org/onlinepubs/9699919799/utilities/ps.html From 281178de4242af70ef6e4f2803ae8573c2778433 Mon Sep 17 00:00:00 2001 From: Ben Kimock Date: Thu, 18 Apr 2024 17:30:07 -0400 Subject: [PATCH 0299/1716] Add a Windows version of foreign2.rs --- tests/ui/foreign/foreign2.rs | 28 +++++++++++++++++++++++++--- 1 file changed, 25 insertions(+), 3 deletions(-) diff --git a/tests/ui/foreign/foreign2.rs b/tests/ui/foreign/foreign2.rs index eb24df35033c..765f2833f3ce 100644 --- a/tests/ui/foreign/foreign2.rs +++ b/tests/ui/foreign/foreign2.rs @@ -1,9 +1,8 @@ //@ run-pass -#![allow(dead_code)] //@ pretty-expanded FIXME #23616 -#![feature(rustc_private)] -extern crate libc; +#![allow(dead_code)] +#![feature(rustc_private)] mod bar { extern "C" {} @@ -13,7 +12,9 @@ mod zed { extern "C" {} } +#[cfg(not(windows))] mod mlibc { + extern crate libc; use libc::{c_int, c_void, size_t, ssize_t}; extern "C" { @@ -21,6 +22,27 @@ mod mlibc { } } +#[cfg(windows)] +mod mlibc { + #![allow(non_snake_case)] + + use std::ffi::c_void; + + pub type BOOL = i32; + pub type HANDLE = *mut c_void; + + #[link(name = "ntdll")] + extern "system" { + pub fn WriteFile( + hfile: HANDLE, + lpbuffer: *const u8, + nnumberofbytestowrite: u32, + lpnumberofbyteswritten: *mut u32, + lpoverlapped: *mut c_void, + ) -> BOOL; + } +} + mod baz { extern "C" {} } From 70147cd3ab30a0f1c6677db0581a17a4bcf5f85d Mon Sep 17 00:00:00 2001 From: Ben Kimock Date: Thu, 18 Apr 2024 17:39:35 -0400 Subject: [PATCH 0300/1716] Patch up foreign-fn-linkname.rs --- tests/ui/foreign/foreign-fn-linkname.rs | 10 ++-------- tests/ui/foreign/foreign2.rs | 2 +- 2 files changed, 3 insertions(+), 9 deletions(-) diff --git a/tests/ui/foreign/foreign-fn-linkname.rs b/tests/ui/foreign/foreign-fn-linkname.rs index 47edf6fc7bba..7ced34e73fa7 100644 --- a/tests/ui/foreign/foreign-fn-linkname.rs +++ b/tests/ui/foreign/foreign-fn-linkname.rs @@ -1,20 +1,14 @@ //@ run-pass //@ ignore-sgx no libc -// Ensure no false positive on "unused extern crate" lint -#![deny(unused_extern_crates)] - -#![feature(rustc_private)] - -extern crate libc; use std::ffi::CString; mod mlibc { - use libc::{c_char, size_t}; + use std::ffi::c_char; extern "C" { #[link_name = "strlen"] - pub fn my_strlen(str: *const c_char) -> size_t; + pub fn my_strlen(str: *const c_char) -> usize; } } diff --git a/tests/ui/foreign/foreign2.rs b/tests/ui/foreign/foreign2.rs index 765f2833f3ce..178a04255cce 100644 --- a/tests/ui/foreign/foreign2.rs +++ b/tests/ui/foreign/foreign2.rs @@ -15,7 +15,7 @@ mod zed { #[cfg(not(windows))] mod mlibc { extern crate libc; - use libc::{c_int, c_void, size_t, ssize_t}; + use self::libc::{c_int, c_void, size_t, ssize_t}; extern "C" { pub fn write(fd: c_int, buf: *const c_void, count: size_t) -> ssize_t; From 7a906e1af71684138702a85fe114def61f21379d Mon Sep 17 00:00:00 2001 From: Ben Kimock Date: Thu, 18 Apr 2024 17:49:07 -0400 Subject: [PATCH 0301/1716] Port stdout-during-shutdown --- ...down.rs => stdout-during-shutdown-unix.rs} | 1 + ...=> stdout-during-shutdown-unix.run.stdout} | 0 .../runtime/stdout-during-shutdown-windows.rs | 20 +++++++++++++++++++ .../stdout-during-shutdown-windows.run.stdout | 1 + 4 files changed, 22 insertions(+) rename tests/ui/runtime/{stdout-during-shutdown.rs => stdout-during-shutdown-unix.rs} (97%) rename tests/ui/runtime/{stdout-during-shutdown.run.stdout => stdout-during-shutdown-unix.run.stdout} (100%) create mode 100644 tests/ui/runtime/stdout-during-shutdown-windows.rs create mode 100644 tests/ui/runtime/stdout-during-shutdown-windows.run.stdout diff --git a/tests/ui/runtime/stdout-during-shutdown.rs b/tests/ui/runtime/stdout-during-shutdown-unix.rs similarity index 97% rename from tests/ui/runtime/stdout-during-shutdown.rs rename to tests/ui/runtime/stdout-during-shutdown-unix.rs index 8549f5d8eb6d..8e0f1d371ae5 100644 --- a/tests/ui/runtime/stdout-during-shutdown.rs +++ b/tests/ui/runtime/stdout-during-shutdown-unix.rs @@ -1,6 +1,7 @@ //@ run-pass //@ check-run-results //@ ignore-emscripten +//@ only-unix // Emscripten doesn't flush its own stdout buffers on exit, which would fail // this test. So this test is disabled on this platform. diff --git a/tests/ui/runtime/stdout-during-shutdown.run.stdout b/tests/ui/runtime/stdout-during-shutdown-unix.run.stdout similarity index 100% rename from tests/ui/runtime/stdout-during-shutdown.run.stdout rename to tests/ui/runtime/stdout-during-shutdown-unix.run.stdout diff --git a/tests/ui/runtime/stdout-during-shutdown-windows.rs b/tests/ui/runtime/stdout-during-shutdown-windows.rs new file mode 100644 index 000000000000..4644965b154c --- /dev/null +++ b/tests/ui/runtime/stdout-during-shutdown-windows.rs @@ -0,0 +1,20 @@ +//@ run-pass +//@ check-run-results +//@ only-windows + +struct Bye; + +impl Drop for Bye { + fn drop(&mut self) { + print!(", world!"); + } +} + +fn main() { + thread_local!{ + static BYE: Bye = Bye; + } + BYE.with(|_| { + print!("hello"); + }); +} diff --git a/tests/ui/runtime/stdout-during-shutdown-windows.run.stdout b/tests/ui/runtime/stdout-during-shutdown-windows.run.stdout new file mode 100644 index 000000000000..30f51a3fba52 --- /dev/null +++ b/tests/ui/runtime/stdout-during-shutdown-windows.run.stdout @@ -0,0 +1 @@ +hello, world! \ No newline at end of file From f45a7a291c4d32f3d8c2c9c67138e229677ddb38 Mon Sep 17 00:00:00 2001 From: Ben Kimock Date: Thu, 18 Apr 2024 18:08:47 -0400 Subject: [PATCH 0302/1716] Fix feature-gates/rustc-private.rs --- tests/ui/feature-gates/rustc-private.rs | 2 +- tests/ui/feature-gates/rustc-private.stderr | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/tests/ui/feature-gates/rustc-private.rs b/tests/ui/feature-gates/rustc-private.rs index 7b8944bb0a0b..aa44f790c8ae 100644 --- a/tests/ui/feature-gates/rustc-private.rs +++ b/tests/ui/feature-gates/rustc-private.rs @@ -1,5 +1,5 @@ // gate-test-rustc_private -extern crate libc; //~ ERROR use of unstable library feature 'rustc_private' +extern crate cfg_if; //~ ERROR use of unstable library feature 'rustc_private' fn main() {} diff --git a/tests/ui/feature-gates/rustc-private.stderr b/tests/ui/feature-gates/rustc-private.stderr index 03397cba763d..96cc98619fd7 100644 --- a/tests/ui/feature-gates/rustc-private.stderr +++ b/tests/ui/feature-gates/rustc-private.stderr @@ -1,8 +1,8 @@ error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? --> $DIR/rustc-private.rs:3:1 | -LL | extern crate libc; - | ^^^^^^^^^^^^^^^^^^ +LL | extern crate cfg_if; + | ^^^^^^^^^^^^^^^^^^^^ | = note: see issue #27812 for more information = help: add `#![feature(rustc_private)]` to the crate attributes to enable From 30379f9bcc8cc31610784024c7a1f1d4fb98f4c5 Mon Sep 17 00:00:00 2001 From: Ben Kimock Date: Fri, 19 Apr 2024 18:36:54 -0400 Subject: [PATCH 0303/1716] Update tests/incremental/foreign.rs --- tests/incremental/foreign.rs | 27 +++++---------------------- 1 file changed, 5 insertions(+), 22 deletions(-) diff --git a/tests/incremental/foreign.rs b/tests/incremental/foreign.rs index cb040fe1296d..1af203e9b77b 100644 --- a/tests/incremental/foreign.rs +++ b/tests/incremental/foreign.rs @@ -1,38 +1,21 @@ // Test what happens we save incremental compilation state that makes // use of foreign items. This used to ICE (#34991). -//@ ignore-sgx no libc - //@ revisions: rpass1 -#![feature(rustc_private)] - -extern crate libc; - use std::ffi::CString; mod mlibc { - use libc::{c_char, c_long, c_longlong}; - extern "C" { - pub fn atol(x: *const c_char) -> c_long; - pub fn atoll(x: *const c_char) -> c_longlong; + // strlen is provided either by an external library or compiler-builtins as a fallback + pub fn strlen(x: *const std::ffi::c_char) -> usize; } } -fn atol(s: String) -> isize { +fn strlen(s: String) -> usize { let c = CString::new(s).unwrap(); - unsafe { mlibc::atol(c.as_ptr()) as isize } -} - -fn atoll(s: String) -> i64 { - let c = CString::new(s).unwrap(); - unsafe { mlibc::atoll(c.as_ptr()) as i64 } + unsafe { mlibc::strlen(c.as_ptr()) } } pub fn main() { - assert_eq!(atol("1024".to_string()) * 10, atol("10240".to_string())); - assert_eq!( - (atoll("11111111111111111".to_string()) * 10), - atoll("111111111111111110".to_string()) - ); + assert_eq!(strlen("1024".to_string()), strlen("2048".to_string())); } From aa31281f2d8cb2b31e0396ad2dd7e3e8976ae25d Mon Sep 17 00:00:00 2001 From: Ben Kimock Date: Wed, 17 Apr 2024 23:11:39 -0400 Subject: [PATCH 0304/1716] Remove Windows dependency on libc --- library/std/Cargo.toml | 3 --- library/std/src/lib.rs | 1 + library/std/src/os/raw/tests.rs | 2 ++ 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/library/std/Cargo.toml b/library/std/Cargo.toml index 52729ba1f845..a77d438e1f17 100644 --- a/library/std/Cargo.toml +++ b/library/std/Cargo.toml @@ -33,9 +33,6 @@ addr2line = { version = "0.21.0", optional = true, default-features = false } [target.'cfg(not(all(windows, target_env = "msvc")))'.dependencies] libc = { version = "0.2.153", default-features = false, features = ['rustc-dep-of-std'], public = true } -[target.'cfg(all(windows, target_env = "msvc"))'.dependencies] -libc = { version = "0.2.153", default-features = false } - [target.'cfg(all(not(target_os = "aix"), not(all(windows, target_env = "msvc", not(target_vendor = "uwp")))))'.dependencies] object = { version = "0.32.0", default-features = false, optional = true, features = ['read_core', 'elf', 'macho', 'pe', 'unaligned', 'archive'] } diff --git a/library/std/src/lib.rs b/library/std/src/lib.rs index 27b46b462044..949c543a2647 100644 --- a/library/std/src/lib.rs +++ b/library/std/src/lib.rs @@ -435,6 +435,7 @@ extern crate alloc as alloc_crate; // so include it here even if it's unused. #[doc(masked)] #[allow(unused_extern_crates)] +#[cfg(not(all(windows, target_env = "msvc")))] extern crate libc; // We always need an unwinder currently for backtraces diff --git a/library/std/src/os/raw/tests.rs b/library/std/src/os/raw/tests.rs index e7bb7d7e73e8..f41a22e1bcce 100644 --- a/library/std/src/os/raw/tests.rs +++ b/library/std/src/os/raw/tests.rs @@ -1,3 +1,5 @@ +#![cfg(not(all(windows, target_env = "msvc")))] + use crate::any::TypeId; macro_rules! ok { From 39ef149a295a45a21e06f0a764a3e9b6f5d210a8 Mon Sep 17 00:00:00 2001 From: Ben Kimock Date: Tue, 14 May 2024 13:59:28 -0400 Subject: [PATCH 0305/1716] Undo accidental change to tests/ui/sanitizer/thread.rs --- tests/ui/sanitizer/thread.rs | 1 + 1 file changed, 1 insertion(+) diff --git a/tests/ui/sanitizer/thread.rs b/tests/ui/sanitizer/thread.rs index 566774d6b1d6..9d9ad6ee5186 100644 --- a/tests/ui/sanitizer/thread.rs +++ b/tests/ui/sanitizer/thread.rs @@ -20,6 +20,7 @@ //@ error-pattern: Location is heap block of size 4 //@ error-pattern: allocated by main thread +#![feature(raw_ref_op)] #![feature(rustc_private)] extern crate libc; From a2e0f10639bd2c8828267ade0a06ce7a477ce685 Mon Sep 17 00:00:00 2001 From: Felix S Klock II Date: Mon, 20 May 2024 11:55:20 -0400 Subject: [PATCH 0306/1716] address nit --- compiler/rustc_feature/src/unstable.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/compiler/rustc_feature/src/unstable.rs b/compiler/rustc_feature/src/unstable.rs index a25b7ef10a42..b374c0df42a5 100644 --- a/compiler/rustc_feature/src/unstable.rs +++ b/compiler/rustc_feature/src/unstable.rs @@ -487,7 +487,7 @@ declare_features! ( (incomplete, generic_const_exprs, "1.56.0", Some(76560)), /// Allows generic parameters and where-clauses on free & associated const items. (incomplete, generic_const_items, "1.73.0", Some(113521)), - /// Allows registring static items globally, possibly across crates, to iterate over at runtime. + /// Allows registering static items globally, possibly across crates, to iterate over at runtime. (unstable, global_registration, "CURRENT_RUSTC_VERSION", Some(125119)), /// Allows using `..=X` as a patterns in slices. (unstable, half_open_range_patterns_in_slices, "1.66.0", Some(67264)), From ba8fba96fbf112a45613592e9ba43e955cc4a0da Mon Sep 17 00:00:00 2001 From: rustbot <47979223+rustbot@users.noreply.github.com> Date: Mon, 20 May 2024 13:00:45 -0400 Subject: [PATCH 0307/1716] Update books --- src/doc/book | 2 +- src/doc/embedded-book | 2 +- src/doc/reference | 2 +- src/doc/rust-by-example | 2 +- src/doc/rustc-dev-guide | 2 +- 5 files changed, 5 insertions(+), 5 deletions(-) diff --git a/src/doc/book b/src/doc/book index bebcf527e677..5e9051f71638 160000 --- a/src/doc/book +++ b/src/doc/book @@ -1 +1 @@ -Subproject commit bebcf527e67755a989a1739b7cfaa8f0e6b30040 +Subproject commit 5e9051f71638aa941cd5dda465e25c61cde9594f diff --git a/src/doc/embedded-book b/src/doc/embedded-book index 17842ebb050f..dd962bb82865 160000 --- a/src/doc/embedded-book +++ b/src/doc/embedded-book @@ -1 +1 @@ -Subproject commit 17842ebb050f62e40a4618edeb8e8ee86e758707 +Subproject commit dd962bb82865a5284f2404e5234f1e3222b9c022 diff --git a/src/doc/reference b/src/doc/reference index 51817951d0d2..e356977fceaa 160000 --- a/src/doc/reference +++ b/src/doc/reference @@ -1 +1 @@ -Subproject commit 51817951d0d213a0011f82b62aae02c3b3f2472e +Subproject commit e356977fceaa8591c762312d8d446769166d4b3e diff --git a/src/doc/rust-by-example b/src/doc/rust-by-example index 229ad13b64d9..20482893d1a5 160000 --- a/src/doc/rust-by-example +++ b/src/doc/rust-by-example @@ -1 +1 @@ -Subproject commit 229ad13b64d919b12e548d560f06d88963b25cd3 +Subproject commit 20482893d1a502df72f76762c97aed88854cdf81 diff --git a/src/doc/rustc-dev-guide b/src/doc/rustc-dev-guide index 2d1947ff34d5..b6d4a4940bab 160000 --- a/src/doc/rustc-dev-guide +++ b/src/doc/rustc-dev-guide @@ -1 +1 @@ -Subproject commit 2d1947ff34d50ca46dfe242ad75531a4c429bb52 +Subproject commit b6d4a4940bab85cc91eec70cc2e3096dd48da62d From c170bf99273ce194b7d4cf71abb946fe47d58f82 Mon Sep 17 00:00:00 2001 From: Stefan Lankes Date: Mon, 20 May 2024 19:18:58 +0200 Subject: [PATCH 0308/1716] switch to the default implementation of `write_vectored` --- library/std/src/sys/pal/hermit/net.rs | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/library/std/src/sys/pal/hermit/net.rs b/library/std/src/sys/pal/hermit/net.rs index 23ac71cb9f29..84ae311a7416 100644 --- a/library/std/src/sys/pal/hermit/net.rs +++ b/library/std/src/sys/pal/hermit/net.rs @@ -225,17 +225,11 @@ impl Socket { } pub fn write_vectored(&self, bufs: &[IoSlice<'_>]) -> io::Result { - let mut size: isize = 0; - - for i in bufs.iter() { - size += cvt(unsafe { netc::write(self.0.as_raw_fd(), i.as_ptr(), i.len()) })?; - } - - Ok(size.try_into().unwrap()) + crate::io::default_write_vectored(|b| self.write(b), bufs) } pub fn is_write_vectored(&self) -> bool { - true + false } pub fn set_timeout(&self, dur: Option, kind: i32) -> io::Result<()> { From 569fb43aa09eb4008155dcf0a2f7082c3afddefa Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sun, 19 May 2024 12:42:22 -0400 Subject: [PATCH 0309/1716] Uplift RegionVid --- compiler/rustc_borrowck/src/facts.rs | 27 +++++++++++++++++-- compiler/rustc_borrowck/src/polonius/mod.rs | 10 ++++--- .../rustc_borrowck/src/region_infer/mod.rs | 10 +++---- .../src/type_check/liveness/polonius.rs | 4 +-- compiler/rustc_borrowck/src/type_check/mod.rs | 14 +++++----- compiler/rustc_middle/src/ty/context.rs | 1 - compiler/rustc_middle/src/ty/region.rs | 18 +------------ .../rustc_middle/src/ty/structural_impls.rs | 12 --------- compiler/rustc_type_ir/src/debug.rs | 6 ++--- compiler/rustc_type_ir/src/infcx.rs | 9 +++---- compiler/rustc_type_ir/src/interner.rs | 1 - compiler/rustc_type_ir/src/region_kind.rs | 27 ++++++++++++++++--- 12 files changed, 75 insertions(+), 64 deletions(-) diff --git a/compiler/rustc_borrowck/src/facts.rs b/compiler/rustc_borrowck/src/facts.rs index e7faec7bbac1..51ea59e2092a 100644 --- a/compiler/rustc_borrowck/src/facts.rs +++ b/compiler/rustc_borrowck/src/facts.rs @@ -15,8 +15,31 @@ use std::path::Path; #[derive(Copy, Clone, Debug)] pub struct RustcFacts; +rustc_index::newtype_index! { + /// A (kinda) newtype of `RegionVid` so we can implement `Atom` on it. + #[orderable] + #[debug_format = "'?{}"] + pub struct PoloniusRegionVid {} +} + +impl polonius_engine::Atom for PoloniusRegionVid { + fn index(self) -> usize { + self.as_usize() + } +} +impl From for PoloniusRegionVid { + fn from(value: RegionVid) -> Self { + Self::from_usize(value.as_usize()) + } +} +impl From for RegionVid { + fn from(value: PoloniusRegionVid) -> Self { + Self::from_usize(value.as_usize()) + } +} + impl polonius_engine::FactTypes for RustcFacts { - type Origin = RegionVid; + type Origin = PoloniusRegionVid; type Loan = BorrowIndex; type Point = LocationIndex; type Variable = Local; @@ -119,7 +142,7 @@ trait FactRow { ) -> Result<(), Box>; } -impl FactRow for RegionVid { +impl FactRow for PoloniusRegionVid { fn write( &self, out: &mut dyn Write, diff --git a/compiler/rustc_borrowck/src/polonius/mod.rs b/compiler/rustc_borrowck/src/polonius/mod.rs index 40126d50d57e..9984f76e6d44 100644 --- a/compiler/rustc_borrowck/src/polonius/mod.rs +++ b/compiler/rustc_borrowck/src/polonius/mod.rs @@ -8,7 +8,7 @@ use rustc_middle::ty::TyCtxt; use rustc_mir_dataflow::move_paths::{InitKind, InitLocation, MoveData}; use crate::borrow_set::BorrowSet; -use crate::facts::AllFacts; +use crate::facts::{AllFacts, PoloniusRegionVid}; use crate::location::LocationTable; use crate::type_check::free_region_relations::UniversalRegionRelations; use crate::universal_regions::UniversalRegions; @@ -137,7 +137,9 @@ fn emit_universal_region_facts( // the `borrow_set`, their `BorrowIndex` are synthesized as the universal region index // added to the existing number of loans, as if they succeeded them in the set. // - all_facts.universal_region.extend(universal_regions.universal_regions()); + all_facts + .universal_region + .extend(universal_regions.universal_regions().map(PoloniusRegionVid::from)); let borrow_count = borrow_set.len(); debug!( "emit_universal_region_facts: polonius placeholders, num_universals={}, borrow_count={}", @@ -148,7 +150,7 @@ fn emit_universal_region_facts( for universal_region in universal_regions.universal_regions() { let universal_region_idx = universal_region.index(); let placeholder_loan_idx = borrow_count + universal_region_idx; - all_facts.placeholder.push((universal_region, placeholder_loan_idx.into())); + all_facts.placeholder.push((universal_region.into(), placeholder_loan_idx.into())); } // 2: the universal region relations `outlives` constraints are emitted as @@ -160,7 +162,7 @@ fn emit_universal_region_facts( fr1={:?}, fr2={:?}", fr1, fr2 ); - all_facts.known_placeholder_subset.push((fr1, fr2)); + all_facts.known_placeholder_subset.push((fr1.into(), fr2.into())); } } } diff --git a/compiler/rustc_borrowck/src/region_infer/mod.rs b/compiler/rustc_borrowck/src/region_infer/mod.rs index 167ca7ba0457..b57cf9066cf3 100644 --- a/compiler/rustc_borrowck/src/region_infer/mod.rs +++ b/compiler/rustc_borrowck/src/region_infer/mod.rs @@ -1506,7 +1506,7 @@ impl<'tcx> RegionInferenceContext<'tcx> { subset_errors.sort(); subset_errors.dedup(); - for (longer_fr, shorter_fr) in subset_errors.into_iter() { + for &(longer_fr, shorter_fr) in subset_errors.into_iter() { debug!( "check_polonius_subset_errors: subset_error longer_fr={:?},\ shorter_fr={:?}", @@ -1514,14 +1514,14 @@ impl<'tcx> RegionInferenceContext<'tcx> { ); let propagated = self.try_propagate_universal_region_error( - *longer_fr, - *shorter_fr, + longer_fr.into(), + shorter_fr.into(), &mut propagated_outlives_requirements, ); if propagated == RegionRelationCheckResult::Error { errors_buffer.push(RegionErrorKind::RegionError { - longer_fr: *longer_fr, - shorter_fr: *shorter_fr, + longer_fr: longer_fr.into(), + shorter_fr: shorter_fr.into(), fr_origin: NllRegionVariableOrigin::FreeRegion, is_reported: true, }); diff --git a/compiler/rustc_borrowck/src/type_check/liveness/polonius.rs b/compiler/rustc_borrowck/src/type_check/liveness/polonius.rs index 7f5302270439..ccfa9f12ef45 100644 --- a/compiler/rustc_borrowck/src/type_check/liveness/polonius.rs +++ b/compiler/rustc_borrowck/src/type_check/liveness/polonius.rs @@ -117,7 +117,7 @@ pub(super) fn populate_access_facts<'a, 'tcx>( let universal_regions = &typeck.borrowck_context.universal_regions; typeck.infcx.tcx.for_each_free_region(&local_decl.ty, |region| { let region_vid = universal_regions.to_region_vid(region); - facts.use_of_var_derefs_origin.push((local, region_vid)); + facts.use_of_var_derefs_origin.push((local, region_vid.into())); }); } } @@ -136,7 +136,7 @@ pub(super) fn add_drop_of_var_derefs_origin<'tcx>( let universal_regions = &typeck.borrowck_context.universal_regions; typeck.infcx.tcx.for_each_free_region(kind, |drop_live_region| { let region_vid = universal_regions.to_region_vid(drop_live_region); - facts.drop_of_var_derefs_origin.push((local, region_vid)); + facts.drop_of_var_derefs_origin.push((local, region_vid.into())); }); } } diff --git a/compiler/rustc_borrowck/src/type_check/mod.rs b/compiler/rustc_borrowck/src/type_check/mod.rs index 6cf9ac45aa3e..2ad1110f06fd 100644 --- a/compiler/rustc_borrowck/src/type_check/mod.rs +++ b/compiler/rustc_borrowck/src/type_check/mod.rs @@ -260,16 +260,14 @@ fn translate_outlives_facts(typeck: &mut TypeChecker<'_, '_>) { |constraint: &OutlivesConstraint<'_>| { if let Some(from_location) = constraint.locations.from_location() { Either::Left(iter::once(( - constraint.sup, - constraint.sub, + constraint.sup.into(), + constraint.sub.into(), location_table.mid_index(from_location), ))) } else { - Either::Right( - location_table - .all_points() - .map(move |location| (constraint.sup, constraint.sub, location)), - ) + Either::Right(location_table.all_points().map(move |location| { + (constraint.sup.into(), constraint.sub.into(), location) + })) } }, )); @@ -2547,7 +2545,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { if let Some(borrow_index) = borrow_set.get_index_of(&location) { let region_vid = borrow_region.as_var(); all_facts.loan_issued_at.push(( - region_vid, + region_vid.into(), borrow_index, location_table.mid_index(location), )); diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index d75f250275bc..8185c99c2fd2 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -134,7 +134,6 @@ impl<'tcx> Interner for TyCtxt<'tcx> { type EarlyParamRegion = ty::EarlyParamRegion; type LateParamRegion = ty::LateParamRegion; type BoundRegion = ty::BoundRegion; - type InferRegion = ty::RegionVid; type PlaceholderRegion = ty::PlaceholderRegion; type ParamEnv = ty::ParamEnv<'tcx>; diff --git a/compiler/rustc_middle/src/ty/region.rs b/compiler/rustc_middle/src/ty/region.rs index 7540f0ab83ff..551e2ea22956 100644 --- a/compiler/rustc_middle/src/ty/region.rs +++ b/compiler/rustc_middle/src/ty/region.rs @@ -1,13 +1,12 @@ -use polonius_engine::Atom; use rustc_data_structures::intern::Interned; use rustc_errors::MultiSpan; use rustc_hir::def_id::DefId; -use rustc_index::Idx; use rustc_macros::{HashStable, TyDecodable, TyEncodable}; use rustc_span::symbol::sym; use rustc_span::symbol::{kw, Symbol}; use rustc_span::{ErrorGuaranteed, DUMMY_SP}; use rustc_type_ir::RegionKind as IrRegionKind; +pub use rustc_type_ir::RegionVid; use std::ops::Deref; use crate::ty::{self, BoundVar, TyCtxt, TypeFlags}; @@ -348,21 +347,6 @@ impl std::fmt::Debug for EarlyParamRegion { } } -rustc_index::newtype_index! { - /// A **region** (lifetime) **v**ariable **ID**. - #[derive(HashStable)] - #[encodable] - #[orderable] - #[debug_format = "'?{}"] - pub struct RegionVid {} -} - -impl Atom for RegionVid { - fn index(self) -> usize { - Idx::index(self) - } -} - #[derive(Clone, PartialEq, Eq, Hash, TyEncodable, TyDecodable, Copy)] #[derive(HashStable)] /// The parameter representation of late-bound function parameters, "some region diff --git a/compiler/rustc_middle/src/ty/structural_impls.rs b/compiler/rustc_middle/src/ty/structural_impls.rs index 7d24824d568f..c5be9f46e307 100644 --- a/compiler/rustc_middle/src/ty/structural_impls.rs +++ b/compiler/rustc_middle/src/ty/structural_impls.rs @@ -259,18 +259,6 @@ impl<'tcx> DebugWithInfcx> for Region<'tcx> { } } -impl<'tcx> DebugWithInfcx> for ty::RegionVid { - fn fmt>>( - this: WithInfcx<'_, Infcx, &Self>, - f: &mut core::fmt::Formatter<'_>, - ) -> core::fmt::Result { - match this.infcx.universe_of_lt(*this.data) { - Some(universe) => write!(f, "'?{}_{}", this.data.index(), universe.index()), - None => write!(f, "{:?}", this.data), - } - } -} - impl<'tcx, T: DebugWithInfcx>> DebugWithInfcx> for ty::Binder<'tcx, T> { fn fmt>>( this: WithInfcx<'_, Infcx, &Self>, diff --git a/compiler/rustc_type_ir/src/debug.rs b/compiler/rustc_type_ir/src/debug.rs index 9298360f749a..b89be1332d6b 100644 --- a/compiler/rustc_type_ir/src/debug.rs +++ b/compiler/rustc_type_ir/src/debug.rs @@ -1,4 +1,4 @@ -use crate::{ConstVid, InferCtxtLike, Interner, TyVid, UniverseIndex}; +use crate::{ConstVid, InferCtxtLike, Interner, RegionVid, TyVid, UniverseIndex}; use core::fmt; use std::marker::PhantomData; @@ -16,7 +16,7 @@ impl InferCtxtLike for NoInfcx { None } - fn universe_of_lt(&self, _lt: I::InferRegion) -> Option { + fn universe_of_lt(&self, _lt: RegionVid) -> Option { None } @@ -32,7 +32,7 @@ impl InferCtxtLike for NoInfcx { None } - fn opportunistic_resolve_lt_var(&self, _vid: I::InferRegion) -> Option { + fn opportunistic_resolve_lt_var(&self, _vid: RegionVid) -> Option { None } diff --git a/compiler/rustc_type_ir/src/infcx.rs b/compiler/rustc_type_ir/src/infcx.rs index a53287c19878..5485ae318ece 100644 --- a/compiler/rustc_type_ir/src/infcx.rs +++ b/compiler/rustc_type_ir/src/infcx.rs @@ -1,4 +1,4 @@ -use crate::{ConstVid, Interner, TyVid, UniverseIndex}; +use crate::{ConstVid, Interner, RegionVid, TyVid, UniverseIndex}; pub trait InferCtxtLike { type Interner: Interner; @@ -13,10 +13,7 @@ pub trait InferCtxtLike { /// Resolve `TyVid` to its inferred type, if it has been equated with a non-infer type. fn probe_ty_var(&self, vid: TyVid) -> Option<::Ty>; - fn universe_of_lt( - &self, - lt: ::InferRegion, - ) -> Option; + fn universe_of_lt(&self, lt: RegionVid) -> Option; /// Resolve `InferRegion` to its inferred region, if it has been equated with /// a non-infer region. @@ -27,7 +24,7 @@ pub trait InferCtxtLike { /// var we're trying to resolve. That's why it's called *opportunistic*. fn opportunistic_resolve_lt_var( &self, - vid: ::InferRegion, + vid: RegionVid, ) -> Option<::Region>; fn universe_of_ct(&self, ct: ConstVid) -> Option; diff --git a/compiler/rustc_type_ir/src/interner.rs b/compiler/rustc_type_ir/src/interner.rs index 0b51d2e75f45..c6dc57718cc3 100644 --- a/compiler/rustc_type_ir/src/interner.rs +++ b/compiler/rustc_type_ir/src/interner.rs @@ -79,7 +79,6 @@ pub trait Interner: type EarlyParamRegion: Copy + Debug + Hash + Eq; type LateParamRegion: Copy + Debug + Hash + Eq; type BoundRegion: Copy + Debug + Hash + Eq + BoundVarLike; - type InferRegion: Copy + DebugWithInfcx + Hash + Eq; type PlaceholderRegion: PlaceholderLike; // Predicates diff --git a/compiler/rustc_type_ir/src/region_kind.rs b/compiler/rustc_type_ir/src/region_kind.rs index eaae4ee0130b..48ade2732894 100644 --- a/compiler/rustc_type_ir/src/region_kind.rs +++ b/compiler/rustc_type_ir/src/region_kind.rs @@ -1,13 +1,35 @@ #[cfg(feature = "nightly")] use rustc_data_structures::stable_hasher::{HashStable, StableHasher}; #[cfg(feature = "nightly")] -use rustc_macros::{TyDecodable, TyEncodable}; +use rustc_macros::{HashStable_NoContext, TyDecodable, TyEncodable}; use std::fmt; use crate::{DebruijnIndex, DebugWithInfcx, InferCtxtLike, Interner, WithInfcx}; use self::RegionKind::*; +rustc_index::newtype_index! { + /// A **region** **v**ariable **ID**. + #[encodable] + #[orderable] + #[debug_format = "'?{}"] + #[gate_rustc_only] + #[cfg_attr(feature = "nightly", derive(HashStable_NoContext))] + pub struct RegionVid {} +} + +impl DebugWithInfcx for RegionVid { + fn fmt>( + this: WithInfcx<'_, Infcx, &Self>, + f: &mut core::fmt::Formatter<'_>, + ) -> core::fmt::Result { + match this.infcx.universe_of_lt(*this.data) { + Some(universe) => write!(f, "'?{}_{}", this.data.index(), universe.index()), + None => write!(f, "{:?}", this.data), + } + } +} + /// Representation of regions. Note that the NLL checker uses a distinct /// representation of regions. For this reason, it internally replaces all the /// regions with inference variables -- the index of the variable is then used @@ -152,7 +174,7 @@ pub enum RegionKind { ReStatic, /// A region variable. Should not exist outside of type inference. - ReVar(I::InferRegion), + ReVar(RegionVid), /// A placeholder region -- the higher-ranked version of `ReLateParam`. /// Should not exist outside of type inference. @@ -251,7 +273,6 @@ where I::EarlyParamRegion: HashStable, I::BoundRegion: HashStable, I::LateParamRegion: HashStable, - I::InferRegion: HashStable, I::PlaceholderRegion: HashStable, { #[inline] From b0f1afd1fc29646d9c2d383fb4d1e86477dde73e Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sun, 19 May 2024 13:04:44 -0400 Subject: [PATCH 0310/1716] Rework var resolution in InferCtxtLike, uplift EagerResolver --- compiler/rustc_infer/src/infer/mod.rs | 56 ++++++++----- compiler/rustc_infer/src/infer/resolve.rs | 81 ------------------ compiler/rustc_middle/src/ty/consts.rs | 8 ++ compiler/rustc_middle/src/ty/sty.rs | 8 ++ .../src/canonicalizer.rs | 42 ++++++---- compiler/rustc_next_trait_solver/src/lib.rs | 1 + .../rustc_next_trait_solver/src/resolve.rs | 83 +++++++++++++++++++ .../src/solve/eval_ctxt/canonical.rs | 2 +- .../src/solve/inspect/analyse.rs | 2 +- compiler/rustc_type_ir/src/debug.rs | 30 ++++--- compiler/rustc_type_ir/src/infcx.rs | 41 ++++----- compiler/rustc_type_ir/src/inherent.rs | 15 +++- 12 files changed, 204 insertions(+), 165 deletions(-) create mode 100644 compiler/rustc_next_trait_solver/src/resolve.rs diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs index 723f4c81ca52..8d4011421bd3 100644 --- a/compiler/rustc_infer/src/infer/mod.rs +++ b/compiler/rustc_infer/src/infer/mod.rs @@ -369,34 +369,44 @@ impl<'tcx> ty::InferCtxtLike for InferCtxt<'tcx> { } } - fn root_ty_var(&self, vid: TyVid) -> TyVid { - self.root_var(vid) - } - - fn probe_ty_var(&self, vid: TyVid) -> Option> { - self.probe_ty_var(vid).ok() - } - - fn opportunistic_resolve_lt_var(&self, vid: ty::RegionVid) -> Option> { - let re = self - .inner - .borrow_mut() - .unwrap_region_constraints() - .opportunistic_resolve_var(self.tcx, vid); - if *re == ty::ReVar(vid) { None } else { Some(re) } - } - - fn root_ct_var(&self, vid: ConstVid) -> ConstVid { - self.root_const_var(vid) - } - - fn probe_ct_var(&self, vid: ConstVid) -> Option> { - self.probe_const_var(vid).ok() + fn opportunistic_resolve_lt_var(&self, vid: ty::RegionVid) -> ty::Region<'tcx> { + self.inner.borrow_mut().unwrap_region_constraints().opportunistic_resolve_var(self.tcx, vid) } fn defining_opaque_types(&self) -> &'tcx ty::List { self.defining_opaque_types } + + fn opportunistic_resolve_ty_var(&self, vid: TyVid) -> Ty<'tcx> { + match self.probe_ty_var(vid) { + Ok(ty) => ty, + Err(_) => Ty::new_var(self.tcx, self.root_var(vid)), + } + } + + fn opportunistic_resolve_int_var(&self, vid: IntVid) -> Ty<'tcx> { + self.opportunistic_resolve_int_var(vid) + } + + fn opportunistic_resolve_float_var(&self, vid: FloatVid) -> Ty<'tcx> { + self.opportunistic_resolve_float_var(vid) + } + + fn opportunistic_resolve_ct_var(&self, vid: ConstVid, ty: Ty<'tcx>) -> ty::Const<'tcx> { + match self.probe_const_var(vid) { + Ok(ct) => ct, + Err(_) => ty::Const::new_var(self.tcx, self.root_const_var(vid), ty), + } + } + + fn opportunistic_resolve_effect_var(&self, vid: EffectVid, ty: Ty<'tcx>) -> ty::Const<'tcx> { + match self.probe_effect_var(vid) { + Some(ct) => ct, + None => { + ty::Const::new_infer(self.tcx, InferConst::EffectVar(self.root_effect_var(vid)), ty) + } + } + } } /// See the `error_reporting` module for more details. diff --git a/compiler/rustc_infer/src/infer/resolve.rs b/compiler/rustc_infer/src/infer/resolve.rs index 61b13dd9a54f..21ef2e89523f 100644 --- a/compiler/rustc_infer/src/infer/resolve.rs +++ b/compiler/rustc_infer/src/infer/resolve.rs @@ -173,84 +173,3 @@ impl<'a, 'tcx> FallibleTypeFolder> for FullTypeResolver<'a, 'tcx> { } } } - -/////////////////////////////////////////////////////////////////////////// -// EAGER RESOLUTION - -/// Resolves ty, region, and const vars to their inferred values or their root vars. -pub struct EagerResolver<'a, 'tcx> { - infcx: &'a InferCtxt<'tcx>, -} - -impl<'a, 'tcx> EagerResolver<'a, 'tcx> { - pub fn new(infcx: &'a InferCtxt<'tcx>) -> Self { - EagerResolver { infcx } - } -} - -impl<'tcx> TypeFolder> for EagerResolver<'_, 'tcx> { - fn interner(&self) -> TyCtxt<'tcx> { - self.infcx.tcx - } - - fn fold_ty(&mut self, t: Ty<'tcx>) -> Ty<'tcx> { - match *t.kind() { - ty::Infer(ty::TyVar(vid)) => match self.infcx.probe_ty_var(vid) { - Ok(t) => t.fold_with(self), - Err(_) => Ty::new_var(self.infcx.tcx, self.infcx.root_var(vid)), - }, - ty::Infer(ty::IntVar(vid)) => self.infcx.opportunistic_resolve_int_var(vid), - ty::Infer(ty::FloatVar(vid)) => self.infcx.opportunistic_resolve_float_var(vid), - _ => { - if t.has_infer() { - t.super_fold_with(self) - } else { - t - } - } - } - } - - fn fold_region(&mut self, r: ty::Region<'tcx>) -> ty::Region<'tcx> { - match *r { - ty::ReVar(vid) => self - .infcx - .inner - .borrow_mut() - .unwrap_region_constraints() - .opportunistic_resolve_var(self.infcx.tcx, vid), - _ => r, - } - } - - fn fold_const(&mut self, c: ty::Const<'tcx>) -> ty::Const<'tcx> { - match c.kind() { - ty::ConstKind::Infer(ty::InferConst::Var(vid)) => { - // FIXME: we need to fold the ty too, I think. - match self.infcx.probe_const_var(vid) { - Ok(c) => c.fold_with(self), - Err(_) => { - ty::Const::new_var(self.infcx.tcx, self.infcx.root_const_var(vid), c.ty()) - } - } - } - ty::ConstKind::Infer(ty::InferConst::EffectVar(vid)) => { - debug_assert_eq!(c.ty(), self.infcx.tcx.types.bool); - self.infcx.probe_effect_var(vid).unwrap_or_else(|| { - ty::Const::new_infer( - self.infcx.tcx, - ty::InferConst::EffectVar(self.infcx.root_effect_var(vid)), - self.infcx.tcx.types.bool, - ) - }) - } - _ => { - if c.has_infer() { - c.super_fold_with(self) - } else { - c - } - } - } - } -} diff --git a/compiler/rustc_middle/src/ty/consts.rs b/compiler/rustc_middle/src/ty/consts.rs index 9dc30447f0e5..f7cc055be11c 100644 --- a/compiler/rustc_middle/src/ty/consts.rs +++ b/compiler/rustc_middle/src/ty/consts.rs @@ -175,6 +175,14 @@ impl<'tcx> Const<'tcx> { } impl<'tcx> rustc_type_ir::inherent::Const> for Const<'tcx> { + fn new_infer(tcx: TyCtxt<'tcx>, infer: ty::InferConst, ty: Ty<'tcx>) -> Self { + Const::new_infer(tcx, infer, ty) + } + + fn new_var(tcx: TyCtxt<'tcx>, vid: ty::ConstVid, ty: Ty<'tcx>) -> Self { + Const::new_var(tcx, vid, ty) + } + fn new_anon_bound( tcx: TyCtxt<'tcx>, debruijn: ty::DebruijnIndex, diff --git a/compiler/rustc_middle/src/ty/sty.rs b/compiler/rustc_middle/src/ty/sty.rs index 7c41c5f512e6..2d9d178449e0 100644 --- a/compiler/rustc_middle/src/ty/sty.rs +++ b/compiler/rustc_middle/src/ty/sty.rs @@ -1611,6 +1611,14 @@ impl<'tcx> rustc_type_ir::inherent::Ty> for Ty<'tcx> { tcx.types.bool } + fn new_infer(tcx: TyCtxt<'tcx>, infer: ty::InferTy) -> Self { + Ty::new_infer(tcx, infer) + } + + fn new_var(tcx: TyCtxt<'tcx>, vid: ty::TyVid) -> Self { + Ty::new_var(tcx, vid) + } + fn new_anon_bound(tcx: TyCtxt<'tcx>, debruijn: ty::DebruijnIndex, var: ty::BoundVar) -> Self { Ty::new_bound(tcx, debruijn, ty::BoundTy { var, kind: ty::BoundTyKind::Anon }) } diff --git a/compiler/rustc_next_trait_solver/src/canonicalizer.rs b/compiler/rustc_next_trait_solver/src/canonicalizer.rs index 755f5cfa5a37..696639e9c1b6 100644 --- a/compiler/rustc_next_trait_solver/src/canonicalizer.rs +++ b/compiler/rustc_next_trait_solver/src/canonicalizer.rs @@ -268,7 +268,7 @@ impl, I: Interner> TypeFolder ty::ReVar(vid) => { assert_eq!( self.infcx.opportunistic_resolve_lt_var(vid), - None, + r, "region vid should have been resolved fully before canonicalization" ); match self.canonicalize_mode { @@ -302,13 +302,8 @@ impl, I: Interner> TypeFolder ty::Infer(i) => match i { ty::TyVar(vid) => { assert_eq!( - self.infcx.root_ty_var(vid), - vid, - "ty vid should have been resolved fully before canonicalization" - ); - assert_eq!( - self.infcx.probe_ty_var(vid), - None, + self.infcx.opportunistic_resolve_ty_var(vid), + t, "ty vid should have been resolved fully before canonicalization" ); @@ -318,10 +313,24 @@ impl, I: Interner> TypeFolder .unwrap_or_else(|| panic!("ty var should have been resolved: {t:?}")), )) } - ty::IntVar(_) => CanonicalVarKind::Ty(CanonicalTyVarKind::Int), - ty::FloatVar(_) => CanonicalVarKind::Ty(CanonicalTyVarKind::Float), + ty::IntVar(vid) => { + assert_eq!( + self.infcx.opportunistic_resolve_int_var(vid), + t, + "ty vid should have been resolved fully before canonicalization" + ); + CanonicalVarKind::Ty(CanonicalTyVarKind::Int) + } + ty::FloatVar(vid) => { + assert_eq!( + self.infcx.opportunistic_resolve_float_var(vid), + t, + "ty vid should have been resolved fully before canonicalization" + ); + CanonicalVarKind::Ty(CanonicalTyVarKind::Float) + } ty::FreshTy(_) | ty::FreshIntTy(_) | ty::FreshFloatTy(_) => { - todo!() + panic!("fresh vars not expected in canonicalization") } }, ty::Placeholder(placeholder) => match self.canonicalize_mode { @@ -387,14 +396,11 @@ impl, I: Interner> TypeFolder let kind = match c.kind() { ty::ConstKind::Infer(i) => match i { ty::InferConst::Var(vid) => { + // We compare `kind`s here because we've folded the `ty` with `RegionsToStatic` + // so we'll get a mismatch in types if it actually changed any regions. assert_eq!( - self.infcx.root_ct_var(vid), - vid, - "region vid should have been resolved fully before canonicalization" - ); - assert_eq!( - self.infcx.probe_ct_var(vid), - None, + self.infcx.opportunistic_resolve_ct_var(vid, ty).kind(), + c.kind(), "region vid should have been resolved fully before canonicalization" ); CanonicalVarKind::Const(self.infcx.universe_of_ct(vid).unwrap(), ty) diff --git a/compiler/rustc_next_trait_solver/src/lib.rs b/compiler/rustc_next_trait_solver/src/lib.rs index 4202dc39fb2f..b913a05095c2 100644 --- a/compiler/rustc_next_trait_solver/src/lib.rs +++ b/compiler/rustc_next_trait_solver/src/lib.rs @@ -1,2 +1,3 @@ pub mod canonicalizer; +pub mod resolve; pub mod solve; diff --git a/compiler/rustc_next_trait_solver/src/resolve.rs b/compiler/rustc_next_trait_solver/src/resolve.rs new file mode 100644 index 000000000000..1333b4aa7d83 --- /dev/null +++ b/compiler/rustc_next_trait_solver/src/resolve.rs @@ -0,0 +1,83 @@ +use rustc_type_ir::fold::{TypeFoldable, TypeFolder, TypeSuperFoldable}; +use rustc_type_ir::inherent::*; +use rustc_type_ir::visit::TypeVisitableExt; +use rustc_type_ir::{self as ty, InferCtxtLike, Interner}; + +/////////////////////////////////////////////////////////////////////////// +// EAGER RESOLUTION + +/// Resolves ty, region, and const vars to their inferred values or their root vars. +pub struct EagerResolver< + 'a, + Infcx: InferCtxtLike, + I: Interner = ::Interner, +> { + infcx: &'a Infcx, +} + +impl<'a, Infcx: InferCtxtLike> EagerResolver<'a, Infcx> { + pub fn new(infcx: &'a Infcx) -> Self { + EagerResolver { infcx } + } +} + +impl, I: Interner> TypeFolder for EagerResolver<'_, Infcx> { + fn interner(&self) -> I { + self.infcx.interner() + } + + fn fold_ty(&mut self, t: I::Ty) -> I::Ty { + match t.kind() { + ty::Infer(ty::TyVar(vid)) => { + let resolved = self.infcx.opportunistic_resolve_ty_var(vid); + if t != resolved && resolved.has_infer() { + resolved.fold_with(self) + } else { + resolved + } + } + ty::Infer(ty::IntVar(vid)) => self.infcx.opportunistic_resolve_int_var(vid), + ty::Infer(ty::FloatVar(vid)) => self.infcx.opportunistic_resolve_float_var(vid), + _ => { + if t.has_infer() { + t.super_fold_with(self) + } else { + t + } + } + } + } + + fn fold_region(&mut self, r: I::Region) -> I::Region { + match r.kind() { + ty::ReVar(vid) => self.infcx.opportunistic_resolve_lt_var(vid), + _ => r, + } + } + + fn fold_const(&mut self, c: I::Const) -> I::Const { + match c.kind() { + ty::ConstKind::Infer(ty::InferConst::Var(vid)) => { + let ty = c.ty().fold_with(self); + let resolved = self.infcx.opportunistic_resolve_ct_var(vid, ty); + if c != resolved && resolved.has_infer() { + resolved.fold_with(self) + } else { + resolved + } + } + ty::ConstKind::Infer(ty::InferConst::EffectVar(vid)) => { + let bool = Ty::new_bool(self.infcx.interner()); + debug_assert_eq!(c.ty(), bool); + self.infcx.opportunistic_resolve_effect_var(vid, bool) + } + _ => { + if c.has_infer() { + c.super_fold_with(self) + } else { + c + } + } + } + } +} diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs index a642d0c40fc9..9590a82c0677 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs @@ -18,7 +18,6 @@ use rustc_index::IndexVec; use rustc_infer::infer::canonical::query_response::make_query_region_constraints; use rustc_infer::infer::canonical::CanonicalVarValues; use rustc_infer::infer::canonical::{CanonicalExt, QueryRegionConstraints}; -use rustc_infer::infer::resolve::EagerResolver; use rustc_infer::infer::RegionVariableOrigin; use rustc_infer::infer::{InferCtxt, InferOk}; use rustc_infer::traits::solve::NestedNormalizationGoals; @@ -31,6 +30,7 @@ use rustc_middle::traits::solve::{ use rustc_middle::traits::ObligationCause; use rustc_middle::ty::{self, BoundVar, GenericArgKind, Ty, TyCtxt, TypeFoldable}; use rustc_next_trait_solver::canonicalizer::{CanonicalizeMode, Canonicalizer}; +use rustc_next_trait_solver::resolve::EagerResolver; use rustc_span::{Span, DUMMY_SP}; use std::assert_matches::assert_matches; use std::iter; diff --git a/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs b/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs index e12c66b69285..737d03f73f00 100644 --- a/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs +++ b/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs @@ -11,7 +11,6 @@ use rustc_ast_ir::try_visit; use rustc_ast_ir::visit::VisitorResult; -use rustc_infer::infer::resolve::EagerResolver; use rustc_infer::infer::{DefineOpaqueTypes, InferCtxt, InferOk}; use rustc_macros::extension; use rustc_middle::traits::query::NoSolution; @@ -20,6 +19,7 @@ use rustc_middle::traits::solve::{Certainty, Goal}; use rustc_middle::traits::ObligationCause; use rustc_middle::ty::{TyCtxt, TypeFoldable}; use rustc_middle::{bug, ty}; +use rustc_next_trait_solver::resolve::EagerResolver; use rustc_span::{Span, DUMMY_SP}; use crate::solve::eval_ctxt::canonical; diff --git a/compiler/rustc_type_ir/src/debug.rs b/compiler/rustc_type_ir/src/debug.rs index b89be1332d6b..4e8be1ee4c28 100644 --- a/compiler/rustc_type_ir/src/debug.rs +++ b/compiler/rustc_type_ir/src/debug.rs @@ -1,4 +1,6 @@ -use crate::{ConstVid, InferCtxtLike, Interner, RegionVid, TyVid, UniverseIndex}; +use crate::{ + ConstVid, EffectVid, FloatVid, InferCtxtLike, IntVid, Interner, RegionVid, TyVid, UniverseIndex, +}; use core::fmt; use std::marker::PhantomData; @@ -24,27 +26,31 @@ impl InferCtxtLike for NoInfcx { None } - fn root_ty_var(&self, vid: TyVid) -> TyVid { - vid + fn opportunistic_resolve_ty_var(&self, vid: TyVid) -> I::Ty { + panic!("cannot resolve {vid:?}") } - fn probe_ty_var(&self, _vid: TyVid) -> Option { - None + fn opportunistic_resolve_int_var(&self, vid: IntVid) -> I::Ty { + panic!("cannot resolve {vid:?}") } - fn opportunistic_resolve_lt_var(&self, _vid: RegionVid) -> Option { - None + fn opportunistic_resolve_float_var(&self, vid: FloatVid) -> I::Ty { + panic!("cannot resolve {vid:?}") } - fn root_ct_var(&self, vid: ConstVid) -> ConstVid { - vid + fn opportunistic_resolve_ct_var(&self, vid: ConstVid, _: I::Ty) -> I::Const { + panic!("cannot resolve {vid:?}") } - fn probe_ct_var(&self, _vid: ConstVid) -> Option { - None + fn opportunistic_resolve_effect_var(&self, vid: EffectVid, _: I::Ty) -> I::Const { + panic!("cannot resolve {vid:?}") } - fn defining_opaque_types(&self) -> ::DefiningOpaqueTypes { + fn opportunistic_resolve_lt_var(&self, vid: crate::RegionVid) -> I::Region { + panic!("cannot resolve {vid:?}") + } + + fn defining_opaque_types(&self) -> I::DefiningOpaqueTypes { Default::default() } } diff --git a/compiler/rustc_type_ir/src/infcx.rs b/compiler/rustc_type_ir/src/infcx.rs index 5485ae318ece..bb5081fb3357 100644 --- a/compiler/rustc_type_ir/src/infcx.rs +++ b/compiler/rustc_type_ir/src/infcx.rs @@ -1,4 +1,4 @@ -use crate::{ConstVid, Interner, RegionVid, TyVid, UniverseIndex}; +use crate::{ConstVid, EffectVid, FloatVid, IntVid, Interner, RegionVid, TyVid, UniverseIndex}; pub trait InferCtxtLike { type Interner: Interner; @@ -6,34 +6,23 @@ pub trait InferCtxtLike { fn interner(&self) -> Self::Interner; fn universe_of_ty(&self, ty: TyVid) -> Option; - - /// Resolve `TyVid` to its root `TyVid`. - fn root_ty_var(&self, vid: TyVid) -> TyVid; - - /// Resolve `TyVid` to its inferred type, if it has been equated with a non-infer type. - fn probe_ty_var(&self, vid: TyVid) -> Option<::Ty>; - fn universe_of_lt(&self, lt: RegionVid) -> Option; - - /// Resolve `InferRegion` to its inferred region, if it has been equated with - /// a non-infer region. - /// - /// FIXME: This has slightly different semantics than `{probe,resolve}_{ty,ct}_var`, - /// that has to do with the fact unlike `Ty` or `Const` vars, in rustc, we may - /// not always be able to *name* the root region var from the universe of the - /// var we're trying to resolve. That's why it's called *opportunistic*. - fn opportunistic_resolve_lt_var( - &self, - vid: RegionVid, - ) -> Option<::Region>; - fn universe_of_ct(&self, ct: ConstVid) -> Option; - /// Resolve `ConstVid` to its root `ConstVid`. - fn root_ct_var(&self, vid: ConstVid) -> ConstVid; - - /// Resolve `ConstVid` to its inferred type, if it has been equated with a non-infer type. - fn probe_ct_var(&self, vid: ConstVid) -> Option<::Const>; + fn opportunistic_resolve_ty_var(&self, vid: TyVid) -> ::Ty; + fn opportunistic_resolve_int_var(&self, vid: IntVid) -> ::Ty; + fn opportunistic_resolve_float_var(&self, vid: FloatVid) -> ::Ty; + fn opportunistic_resolve_ct_var( + &self, + vid: ConstVid, + ty: ::Ty, + ) -> ::Const; + fn opportunistic_resolve_effect_var( + &self, + vid: EffectVid, + ty: ::Ty, + ) -> ::Const; + fn opportunistic_resolve_lt_var(&self, vid: RegionVid) -> ::Region; fn defining_opaque_types(&self) -> ::DefiningOpaqueTypes; } diff --git a/compiler/rustc_type_ir/src/inherent.rs b/compiler/rustc_type_ir/src/inherent.rs index 19c76fb165a0..f66c6e722f7c 100644 --- a/compiler/rustc_type_ir/src/inherent.rs +++ b/compiler/rustc_type_ir/src/inherent.rs @@ -7,11 +7,11 @@ use std::fmt::Debug; use std::hash::Hash; use std::ops::Deref; -use crate::fold::TypeSuperFoldable; +use crate::fold::{TypeFoldable, TypeSuperFoldable}; use crate::visit::{Flags, TypeSuperVisitable}; use crate::{ - AliasTy, AliasTyKind, BoundVar, ConstKind, DebruijnIndex, DebugWithInfcx, Interner, RegionKind, - TyKind, UnevaluatedConst, UniverseIndex, + AliasTy, AliasTyKind, BoundVar, ConstKind, ConstVid, DebruijnIndex, DebugWithInfcx, InferConst, + InferTy, Interner, RegionKind, TyKind, TyVid, UnevaluatedConst, UniverseIndex, }; pub trait Ty>: @@ -28,6 +28,10 @@ pub trait Ty>: { fn new_bool(interner: I) -> Self; + fn new_infer(interner: I, var: InferTy) -> Self; + + fn new_var(interner: I, var: TyVid) -> Self; + fn new_anon_bound(interner: I, debruijn: DebruijnIndex, var: BoundVar) -> Self; fn new_alias(interner: I, kind: AliasTyKind, alias_ty: AliasTy) -> Self; @@ -68,6 +72,10 @@ pub trait Const>: + TypeSuperFoldable + Flags { + fn new_infer(interner: I, var: InferConst, ty: I::Ty) -> Self; + + fn new_var(interner: I, var: ConstVid, ty: I::Ty) -> Self; + fn new_anon_bound(interner: I, debruijn: DebruijnIndex, var: BoundVar, ty: I::Ty) -> Self; fn new_unevaluated(interner: I, uv: UnevaluatedConst, ty: I::Ty) -> Self; @@ -87,6 +95,7 @@ pub trait GenericArgs>: + IntoIterator + Deref> + Default + + TypeFoldable { fn type_at(self, i: usize) -> I::Ty; From 9fa07a4e553222eb511da7631a5a7f2acb007c43 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sun, 19 May 2024 13:44:50 -0400 Subject: [PATCH 0311/1716] Uplift TermKind --- compiler/rustc_middle/src/ty/generic_args.rs | 1 + compiler/rustc_middle/src/ty/mod.rs | 31 ++++++++++++------- .../rustc_middle/src/ty/structural_impls.rs | 11 +++---- compiler/rustc_type_ir/src/generic_arg.rs | 14 +++++++++ compiler/rustc_type_ir/src/interner.rs | 4 +-- 5 files changed, 41 insertions(+), 20 deletions(-) diff --git a/compiler/rustc_middle/src/ty/generic_args.rs b/compiler/rustc_middle/src/ty/generic_args.rs index 38b2987399a9..3d263e62de66 100644 --- a/compiler/rustc_middle/src/ty/generic_args.rs +++ b/compiler/rustc_middle/src/ty/generic_args.rs @@ -27,6 +27,7 @@ use std::ops::Deref; use std::ptr::NonNull; pub type GenericArgKind<'tcx> = rustc_type_ir::GenericArgKind>; +pub type TermKind<'tcx> = rustc_type_ir::TermKind>; /// An entity in the Rust type system, which can be one of /// several kinds (types, lifetimes, and consts). diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs index 44f09b8ba217..8bb19bc85acb 100644 --- a/compiler/rustc_middle/src/ty/mod.rs +++ b/compiler/rustc_middle/src/ty/mod.rs @@ -28,7 +28,7 @@ use crate::ty::fast_reject::SimplifiedType; use crate::ty::util::Discr; pub use adt::*; pub use assoc::*; -pub use generic_args::{GenericArgKind, *}; +pub use generic_args::{GenericArgKind, TermKind, *}; pub use generics::*; pub use intrinsic::IntrinsicDef; use rustc_ast as ast; @@ -48,7 +48,8 @@ use rustc_hir::def::{CtorKind, CtorOf, DefKind, DocLinkResMap, LifetimeRes, Res} use rustc_hir::def_id::{CrateNum, DefId, DefIdMap, LocalDefId, LocalDefIdMap}; use rustc_index::IndexVec; use rustc_macros::{ - Decodable, Encodable, HashStable, TyDecodable, TyEncodable, TypeFoldable, TypeVisitable, + extension, Decodable, Encodable, HashStable, TyDecodable, TyEncodable, TypeFoldable, + TypeVisitable, }; use rustc_query_system::ich::StableHashingContext; use rustc_serialize::{Decodable, Encodable}; @@ -521,6 +522,14 @@ pub struct Term<'tcx> { marker: PhantomData<(Ty<'tcx>, Const<'tcx>)>, } +impl<'tcx> rustc_type_ir::inherent::IntoKind for Term<'tcx> { + type Kind = TermKind<'tcx>; + + fn kind(self) -> Self::Kind { + self.unpack() + } +} + #[cfg(parallel_compiler)] unsafe impl<'tcx> rustc_data_structures::sync::DynSend for Term<'tcx> where &'tcx (Ty<'tcx>, Const<'tcx>): rustc_data_structures::sync::DynSend @@ -566,13 +575,19 @@ impl<'tcx> TypeFoldable> for Term<'tcx> { self, folder: &mut F, ) -> Result { - Ok(self.unpack().try_fold_with(folder)?.pack()) + match self.unpack() { + ty::TermKind::Ty(ty) => ty.try_fold_with(folder).map(Into::into), + ty::TermKind::Const(ct) => ct.try_fold_with(folder).map(Into::into), + } } } impl<'tcx> TypeVisitable> for Term<'tcx> { fn visit_with>>(&self, visitor: &mut V) -> V::Result { - self.unpack().visit_with(visitor) + match self.unpack() { + ty::TermKind::Ty(ty) => ty.visit_with(visitor), + ty::TermKind::Const(ct) => ct.visit_with(visitor), + } } } @@ -650,13 +665,7 @@ const TAG_MASK: usize = 0b11; const TYPE_TAG: usize = 0b00; const CONST_TAG: usize = 0b01; -#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash, TyEncodable, TyDecodable)] -#[derive(HashStable, TypeFoldable, TypeVisitable)] -pub enum TermKind<'tcx> { - Ty(Ty<'tcx>), - Const(Const<'tcx>), -} - +#[extension(pub trait TermKindPackExt<'tcx>)] impl<'tcx> TermKind<'tcx> { #[inline] fn pack(self) -> Term<'tcx> { diff --git a/compiler/rustc_middle/src/ty/structural_impls.rs b/compiler/rustc_middle/src/ty/structural_impls.rs index c5be9f46e307..81d92a2a448e 100644 --- a/compiler/rustc_middle/src/ty/structural_impls.rs +++ b/compiler/rustc_middle/src/ty/structural_impls.rs @@ -371,13 +371,10 @@ impl<'tcx, T: Lift>> Lift> for Option { impl<'a, 'tcx> Lift> for Term<'a> { type Lifted = ty::Term<'tcx>; fn lift_to_tcx(self, tcx: TyCtxt<'tcx>) -> Option { - Some( - match self.unpack() { - TermKind::Ty(ty) => TermKind::Ty(tcx.lift(ty)?), - TermKind::Const(c) => TermKind::Const(tcx.lift(c)?), - } - .pack(), - ) + match self.unpack() { + TermKind::Ty(ty) => tcx.lift(ty).map(Into::into), + TermKind::Const(c) => tcx.lift(c).map(Into::into), + } } } diff --git a/compiler/rustc_type_ir/src/generic_arg.rs b/compiler/rustc_type_ir/src/generic_arg.rs index 622a40806083..cc8c44446579 100644 --- a/compiler/rustc_type_ir/src/generic_arg.rs +++ b/compiler/rustc_type_ir/src/generic_arg.rs @@ -16,3 +16,17 @@ pub enum GenericArgKind { Type(I::Ty), Const(I::Const), } + +#[derive(derivative::Derivative)] +#[derivative( + Clone(bound = ""), + Copy(bound = ""), + Debug(bound = ""), + Eq(bound = ""), + PartialEq(bound = "") +)] +#[cfg_attr(feature = "nightly", derive(TyDecodable, TyEncodable, HashStable_NoContext))] +pub enum TermKind { + Ty(I::Ty), + Const(I::Const), +} diff --git a/compiler/rustc_type_ir/src/interner.rs b/compiler/rustc_type_ir/src/interner.rs index c6dc57718cc3..6516d5b16454 100644 --- a/compiler/rustc_type_ir/src/interner.rs +++ b/compiler/rustc_type_ir/src/interner.rs @@ -10,7 +10,7 @@ use crate::visit::{Flags, TypeSuperVisitable, TypeVisitable}; use crate::{ AliasTerm, AliasTermKind, AliasTy, AliasTyKind, CanonicalVarInfo, CoercePredicate, DebugWithInfcx, ExistentialProjection, ExistentialTraitRef, FnSig, GenericArgKind, - NormalizesTo, ProjectionPredicate, SubtypePredicate, TraitPredicate, TraitRef, + NormalizesTo, ProjectionPredicate, SubtypePredicate, TermKind, TraitPredicate, TraitRef, }; pub trait Interner: @@ -36,7 +36,7 @@ pub trait Interner: /// not including the args from the parent item (trait or impl). type OwnItemArgs: Copy + Debug + Hash + Eq; type GenericArg: Copy + DebugWithInfcx + Hash + Eq + IntoKind>; - type Term: Copy + Debug + Hash + Eq; + type Term: Copy + Debug + Hash + Eq + IntoKind>; type Binder>: BoundVars + TypeSuperVisitable; type BoundVars: IntoIterator; From f0cb386c7de34667160b38d016323c4ca18f2ed9 Mon Sep 17 00:00:00 2001 From: Mohammad Omidvar Date: Mon, 20 May 2024 18:11:07 +0000 Subject: [PATCH 0312/1716] Add intrinsic definition and retrieval APIs --- compiler/rustc_smir/src/rustc_smir/context.rs | 36 ++++++++++++------- compiler/stable_mir/src/compiler_interface.rs | 15 ++++++-- compiler/stable_mir/src/mir/mono.rs | 4 ++- compiler/stable_mir/src/ty.rs | 29 +++++++++++++++ 4 files changed, 68 insertions(+), 16 deletions(-) diff --git a/compiler/rustc_smir/src/rustc_smir/context.rs b/compiler/rustc_smir/src/rustc_smir/context.rs index fd31c020f899..7af0aabcaa93 100644 --- a/compiler/rustc_smir/src/rustc_smir/context.rs +++ b/compiler/rustc_smir/src/rustc_smir/context.rs @@ -23,8 +23,8 @@ use stable_mir::mir::{BinOp, Body, Place}; use stable_mir::target::{MachineInfo, MachineSize}; use stable_mir::ty::{ AdtDef, AdtKind, Allocation, ClosureDef, ClosureKind, Const, FieldDef, FnDef, ForeignDef, - ForeignItemKind, GenericArgs, LineInfo, PolyFnSig, RigidTy, Span, Ty, TyKind, UintTy, - VariantDef, + ForeignItemKind, GenericArgs, IntrinsicDef, LineInfo, PolyFnSig, RigidTy, Span, Ty, TyKind, + UintTy, VariantDef, }; use stable_mir::{Crate, CrateDef, CrateItem, CrateNum, DefId, Error, Filename, ItemKind, Symbol}; use std::cell::RefCell; @@ -307,6 +307,28 @@ impl<'tcx> Context for TablesWrapper<'tcx> { sig.stable(&mut *tables) } + fn intrinsic(&self, def: DefId) -> Option { + let mut tables = self.0.borrow_mut(); + let tcx = tables.tcx; + let def_id = def.internal(&mut *tables, tcx); + let intrinsic = tcx.intrinsic_raw(def_id); + intrinsic.map(|_| IntrinsicDef(def)) + } + + fn intrinsic_name(&self, def: IntrinsicDef) -> Symbol { + let mut tables = self.0.borrow_mut(); + let tcx = tables.tcx; + let def_id = def.0.internal(&mut *tables, tcx); + tcx.intrinsic(def_id).unwrap().name.to_string() + } + + fn intrinsic_must_be_overridden(&self, def: IntrinsicDef) -> bool { + let mut tables = self.0.borrow_mut(); + let tcx = tables.tcx; + let def_id = def.0.internal(&mut *tables, tcx); + tcx.intrinsic_raw(def_id).unwrap().must_be_overridden + } + fn closure_sig(&self, args: &GenericArgs) -> PolyFnSig { let mut tables = self.0.borrow_mut(); let tcx = tables.tcx; @@ -645,16 +667,6 @@ impl<'tcx> Context for TablesWrapper<'tcx> { } } - /// Retrieve the plain intrinsic name of an instance. - /// - /// This assumes that the instance is an intrinsic. - fn intrinsic_name(&self, def: InstanceDef) -> Symbol { - let tables = self.0.borrow_mut(); - let instance = tables.instances[def]; - let intrinsic = tables.tcx.intrinsic(instance.def_id()).unwrap(); - intrinsic.name.to_string() - } - fn ty_layout(&self, ty: Ty) -> Result { let mut tables = self.0.borrow_mut(); let tcx = tables.tcx; diff --git a/compiler/stable_mir/src/compiler_interface.rs b/compiler/stable_mir/src/compiler_interface.rs index 231d9ba49a39..4dd64228bbad 100644 --- a/compiler/stable_mir/src/compiler_interface.rs +++ b/compiler/stable_mir/src/compiler_interface.rs @@ -13,8 +13,8 @@ use crate::target::MachineInfo; use crate::ty::{ AdtDef, AdtKind, Allocation, ClosureDef, ClosureKind, Const, FieldDef, FnDef, ForeignDef, ForeignItemKind, ForeignModule, ForeignModuleDef, GenericArgs, GenericPredicates, Generics, - ImplDef, ImplTrait, LineInfo, PolyFnSig, RigidTy, Span, TraitDecl, TraitDef, Ty, TyKind, - UintTy, VariantDef, + ImplDef, ImplTrait, IntrinsicDef, LineInfo, PolyFnSig, RigidTy, Span, TraitDecl, TraitDef, Ty, + TyKind, UintTy, VariantDef, }; use crate::{ mir, Crate, CrateItem, CrateItems, CrateNum, DefId, Error, Filename, ImplTraitDecls, ItemKind, @@ -88,6 +88,16 @@ pub trait Context { /// Retrieve the function signature for the given generic arguments. fn fn_sig(&self, def: FnDef, args: &GenericArgs) -> PolyFnSig; + /// Retrieve the intrinsic definition if the item corresponds one. + fn intrinsic(&self, item: DefId) -> Option; + + /// Retrieve the plain function name of an intrinsic. + fn intrinsic_name(&self, def: IntrinsicDef) -> Symbol; + + /// Returns whether the intrinsic has no meaningful body and all backends + /// need to shim all calls to it. + fn intrinsic_must_be_overridden(&self, def: IntrinsicDef) -> bool; + /// Retrieve the closure signature for the given generic arguments. fn closure_sig(&self, args: &GenericArgs) -> PolyFnSig; @@ -198,7 +208,6 @@ pub trait Context { fn vtable_allocation(&self, global_alloc: &GlobalAlloc) -> Option; fn krate(&self, def_id: DefId) -> Crate; fn instance_name(&self, def: InstanceDef, trimmed: bool) -> Symbol; - fn intrinsic_name(&self, def: InstanceDef) -> Symbol; /// Return information about the target machine. fn target_info(&self) -> MachineInfo; diff --git a/compiler/stable_mir/src/mir/mono.rs b/compiler/stable_mir/src/mir/mono.rs index 394038926f61..572f1499c5a5 100644 --- a/compiler/stable_mir/src/mir/mono.rs +++ b/compiler/stable_mir/src/mir/mono.rs @@ -106,7 +106,9 @@ impl Instance { /// which is more convenient to match with intrinsic symbols. pub fn intrinsic_name(&self) -> Option { match self.kind { - InstanceKind::Intrinsic => Some(with(|context| context.intrinsic_name(self.def))), + InstanceKind::Intrinsic => { + Some(with(|context| context.intrinsic(self.def.def_id()).unwrap().fn_name())) + } InstanceKind::Item | InstanceKind::Virtual { .. } | InstanceKind::Shim => None, } } diff --git a/compiler/stable_mir/src/ty.rs b/compiler/stable_mir/src/ty.rs index 562516138404..ab4deac9fd72 100644 --- a/compiler/stable_mir/src/ty.rs +++ b/compiler/stable_mir/src/ty.rs @@ -622,6 +622,35 @@ impl FnDef { pub fn body(&self) -> Option { with(|ctx| ctx.has_body(self.0).then(|| ctx.mir_body(self.0))) } + + /// Get the information of the intrinsic if this function is a definition of one. + pub fn as_intrinsic(&self) -> Option { + with(|cx| cx.intrinsic(self.def_id())) + } + + /// Check if the function is an intrinsic. + #[inline] + pub fn is_intrinsic(&self) -> bool { + self.as_intrinsic().is_some() + } +} + +crate_def! { + pub IntrinsicDef; +} + +impl IntrinsicDef { + /// Returns the plain name of the intrinsic. + /// e.g., `transmute` for `core::intrinsics::transmute`. + pub fn fn_name(&self) -> Symbol { + with(|cx| cx.intrinsic_name(*self)) + } + + /// Returns whether the intrinsic has no meaningful body and all backends + /// need to shim all calls to it. + pub fn must_be_overridden(&self) -> bool { + with(|cx| cx.intrinsic_must_be_overridden(*self)) + } } crate_def! { From 56ad5453f6002aaabdcab6399238a1c93254a134 Mon Sep 17 00:00:00 2001 From: Mohammad Omidvar Date: Mon, 20 May 2024 18:12:06 +0000 Subject: [PATCH 0313/1716] Extend tests for intrinsic definitions --- .../stable-mir/check_intrinsics.rs | 50 ++++++++++++------- 1 file changed, 33 insertions(+), 17 deletions(-) diff --git a/tests/ui-fulldeps/stable-mir/check_intrinsics.rs b/tests/ui-fulldeps/stable-mir/check_intrinsics.rs index 171850b89bb5..a9c1f64f812d 100644 --- a/tests/ui-fulldeps/stable-mir/check_intrinsics.rs +++ b/tests/ui-fulldeps/stable-mir/check_intrinsics.rs @@ -11,6 +11,7 @@ //@ ignore-windows-gnu mingw has troubles with linking https://github.com/rust-lang/rust/pull/116837 #![feature(rustc_private)] +#![feature(assert_matches)] extern crate rustc_hir; #[macro_use] @@ -23,11 +24,11 @@ use rustc_smir::rustc_internal; use stable_mir::mir::mono::{Instance, InstanceKind}; use stable_mir::mir::visit::{Location, MirVisitor}; use stable_mir::mir::{LocalDecl, Terminator, TerminatorKind}; -use stable_mir::ty::{RigidTy, TyKind}; -use std::collections::HashSet; +use stable_mir::ty::{FnDef, GenericArgs, IntrinsicDef, RigidTy, TyKind}; use std::convert::TryFrom; use std::io::Write; use std::ops::ControlFlow; +use std::assert_matches::assert_matches; /// This function tests that we can correctly get type information from binary operations. fn test_intrinsics() -> ControlFlow<()> { @@ -39,9 +40,10 @@ fn test_intrinsics() -> ControlFlow<()> { visitor.visit_body(&main_body); let calls = visitor.calls; - assert_eq!(calls.len(), 2, "Expected 2 calls, but found: {calls:?}"); - for intrinsic in &calls { - check_intrinsic(intrinsic) + assert_eq!(calls.len(), 3, "Expected 3 calls, but found: {calls:?}"); + for (fn_def, args) in &calls { + check_instance(&Instance::resolve(*fn_def, &args).unwrap()); + check_def(fn_def.as_intrinsic().unwrap()); } ControlFlow::Continue(()) @@ -53,22 +55,35 @@ fn test_intrinsics() -> ControlFlow<()> { /// /// If by any chance this test breaks because you changed how an intrinsic is implemented, please /// update the test to invoke a different intrinsic. -fn check_intrinsic(intrinsic: &Instance) { - assert_eq!(intrinsic.kind, InstanceKind::Intrinsic); - let name = intrinsic.intrinsic_name().unwrap(); - if intrinsic.has_body() { - let Some(body) = intrinsic.body() else { unreachable!("Expected a body") }; +fn check_instance(instance: &Instance) { + assert_eq!(instance.kind, InstanceKind::Intrinsic); + let name = instance.intrinsic_name().unwrap(); + if instance.has_body() { + let Some(body) = instance.body() else { unreachable!("Expected a body") }; assert!(!body.blocks.is_empty()); - assert_eq!(&name, "likely"); + assert_matches!(name.as_str(), "likely" | "vtable_size"); } else { - assert!(intrinsic.body().is_none()); + assert!(instance.body().is_none()); assert_eq!(&name, "size_of_val"); } } +fn check_def(intrinsic: IntrinsicDef) { + let name = intrinsic.fn_name(); + match name.as_str() { + "likely" | "size_of_val" => { + assert!(!intrinsic.must_be_overridden()); + } + "vtable_size" => { + assert!(intrinsic.must_be_overridden()); + } + _ => unreachable!("Unexpected intrinsic: {}", name), + } +} + struct CallsVisitor<'a> { locals: &'a [LocalDecl], - calls: HashSet, + calls: Vec<(FnDef, GenericArgs)>, } impl<'a> MirVisitor for CallsVisitor<'a> { @@ -77,10 +92,10 @@ impl<'a> MirVisitor for CallsVisitor<'a> { TerminatorKind::Call { func, .. } => { let TyKind::RigidTy(RigidTy::FnDef(def, args)) = func.ty(self.locals).unwrap().kind() - else { - return; - }; - self.calls.insert(Instance::resolve(def, &args).unwrap()); + else { + return; + }; + self.calls.push((def, args.clone())); } _ => {} } @@ -106,6 +121,7 @@ fn generate_input(path: &str) -> std::io::Result<()> { #![feature(core_intrinsics)] use std::intrinsics::*; pub fn use_intrinsics(init: bool) -> bool {{ + let vtable_sz = unsafe {{ vtable_size(0 as *const ()) }}; let sz = unsafe {{ size_of_val("hi") }}; likely(init && sz == 2) }} From 7b1527ff5f7adb2de57a9a925e578ffd3b25ed23 Mon Sep 17 00:00:00 2001 From: Nilstrieb <48135649+Nilstrieb@users.noreply.github.com> Date: Wed, 15 May 2024 20:18:22 +0200 Subject: [PATCH 0314/1716] hir pretty: fix block indent --- compiler/rustc_hir_pretty/src/lib.rs | 2 +- tests/pretty/issue-4264.pp | 46 +++++++++---------- tests/ui/match/issue-82392.stdout | 14 +++--- ...s-in-pattern-with-ty-err-doesnt-ice.stderr | 4 +- .../type-alias-impl-trait/issue-60662.stdout | 4 +- tests/ui/unpretty/bad-literal.stdout | 4 +- tests/ui/unpretty/box.stdout | 8 ++-- .../ui/unpretty/flattened-format-args.stdout | 14 +++--- tests/ui/unpretty/let-else-hir.stdout | 10 ++-- 9 files changed, 53 insertions(+), 53 deletions(-) diff --git a/compiler/rustc_hir_pretty/src/lib.rs b/compiler/rustc_hir_pretty/src/lib.rs index a47e6af0bf20..0c2a4bf103f5 100644 --- a/compiler/rustc_hir_pretty/src/lib.rs +++ b/compiler/rustc_hir_pretty/src/lib.rs @@ -1454,7 +1454,7 @@ impl<'a> State<'a> { self.word_space(":"); } // containing cbox, will be closed by print-block at `}` - self.cbox(INDENT_UNIT); + self.cbox(0); // head-box, will be closed by print-block after `{` self.ibox(0); self.print_block(blk); diff --git a/tests/pretty/issue-4264.pp b/tests/pretty/issue-4264.pp index af64260d0200..4d43db5716e3 100644 --- a/tests/pretty/issue-4264.pp +++ b/tests/pretty/issue-4264.pp @@ -11,15 +11,15 @@ extern crate std; fn foo(_: [i32; (3 as usize)]) ({ } as ()) fn bar() ({ - const FOO: usize = ((5 as usize) - (4 as usize) as usize); - let _: [(); (FOO as usize)] = ([(() as ())] as [(); 1]); + const FOO: usize = ((5 as usize) - (4 as usize) as usize); + let _: [(); (FOO as usize)] = ([(() as ())] as [(); 1]); - let _: [(); (1 as usize)] = ([(() as ())] as [(); 1]); + let _: [(); (1 as usize)] = ([(() as ())] as [(); 1]); - let _ = - (((&([(1 as i32), (2 as i32), (3 as i32)] as [i32; 3]) as - &[i32; 3]) as *const _ as *const [i32; 3]) as - *const [i32; (3 as usize)] as *const [i32; 3]); + let _ = + (((&([(1 as i32), (2 as i32), (3 as i32)] as [i32; 3]) as &[i32; 3]) + as *const _ as *const [i32; 3]) as *const [i32; (3 as usize)] + as *const [i32; 3]); @@ -29,17 +29,17 @@ fn bar() ({ - ({ - let res = - ((::alloc::fmt::format as - for<'a> fn(Arguments<'a>) -> String {format})(((format_arguments::new_const - as - fn(&[&'static str]) -> Arguments<'_> {Arguments::<'_>::new_const})((&([("test" - as &str)] as [&str; 1]) as &[&str; 1])) as Arguments<'_>)) - as String); - (res as String) - } as String); - } as ()) + ({ + let res = + ((::alloc::fmt::format as + for<'a> fn(Arguments<'a>) -> String {format})(((format_arguments::new_const + as + fn(&[&'static str]) -> Arguments<'_> {Arguments::<'_>::new_const})((&([("test" + as &str)] as [&str; 1]) as &[&str; 1])) as Arguments<'_>)) + as String); + (res as String) + } as String); +} as ()) type Foo = [i32; (3 as usize)]; struct Bar { x: [i32; (3 as usize)], @@ -48,9 +48,9 @@ struct TupleBar([i32; (4 as usize)]); enum Baz { BazVariant([i32; (5 as usize)]), } fn id(x: T) -> T ({ (x as T) } as T) fn use_id() ({ - let _ = - ((id::<[i32; (3 as usize)]> as - fn([i32; 3]) -> [i32; 3] {id::<[i32; 3]>})(([(1 as i32), - (2 as i32), (3 as i32)] as [i32; 3])) as [i32; 3]); - } as ()) + let _ = + ((id::<[i32; (3 as usize)]> as + fn([i32; 3]) -> [i32; 3] {id::<[i32; 3]>})(([(1 as i32), + (2 as i32), (3 as i32)] as [i32; 3])) as [i32; 3]); +} as ()) fn main() ({ } as ()) diff --git a/tests/ui/match/issue-82392.stdout b/tests/ui/match/issue-82392.stdout index 8a23d906757d..8949611ac12f 100644 --- a/tests/ui/match/issue-82392.stdout +++ b/tests/ui/match/issue-82392.stdout @@ -7,10 +7,10 @@ extern crate std; //@ check-pass fn main() ({ - (if (true as bool) - ({ } as - ()) else if (let Some(a) = - ((Some as - fn(i32) -> Option {Option::::Some})((3 as i32)) as - Option) as bool) ({ } as ()) as ()) - } as ()) + (if (true as bool) + ({ } as + ()) else if (let Some(a) = + ((Some as + fn(i32) -> Option {Option::::Some})((3 as i32)) as + Option) as bool) ({ } as ()) as ()) + } as ()) diff --git a/tests/ui/sized/ensure-overriding-bindings-in-pattern-with-ty-err-doesnt-ice.stderr b/tests/ui/sized/ensure-overriding-bindings-in-pattern-with-ty-err-doesnt-ice.stderr index 8df0613695be..99f8dbd9a6c8 100644 --- a/tests/ui/sized/ensure-overriding-bindings-in-pattern-with-ty-err-doesnt-ice.stderr +++ b/tests/ui/sized/ensure-overriding-bindings-in-pattern-with-ty-err-doesnt-ice.stderr @@ -25,8 +25,8 @@ LL + let str::as_bytes; | error[E0533]: expected unit struct, unit variant or constant, found associated function `str<{ - fn str() { let (/*ERROR*/); } - }, T>::as_bytes` + fn str() { let (/*ERROR*/); } + }, T>::as_bytes` --> $DIR/ensure-overriding-bindings-in-pattern-with-ty-err-doesnt-ice.rs:2:9 | LL | let str::<{fn str() { let str::T>>::as_bytes; }}, T>::as_bytes; diff --git a/tests/ui/type-alias-impl-trait/issue-60662.stdout b/tests/ui/type-alias-impl-trait/issue-60662.stdout index e643dba12453..b541cbeb2279 100644 --- a/tests/ui/type-alias-impl-trait/issue-60662.stdout +++ b/tests/ui/type-alias-impl-trait/issue-60662.stdout @@ -10,5 +10,5 @@ extern crate std; trait Animal { } fn main() { - type ServeFut = /*impl Trait*/; - } + type ServeFut = /*impl Trait*/; +} diff --git a/tests/ui/unpretty/bad-literal.stdout b/tests/ui/unpretty/bad-literal.stdout index 07ecb99dccc5..c5272711d6e9 100644 --- a/tests/ui/unpretty/bad-literal.stdout +++ b/tests/ui/unpretty/bad-literal.stdout @@ -7,5 +7,5 @@ extern crate std; // In #100948 this caused an ICE with -Zunpretty=hir. fn main() { - ; - } + ; +} diff --git a/tests/ui/unpretty/box.stdout b/tests/ui/unpretty/box.stdout index 0fd51edea241..e3b9b9ac2071 100644 --- a/tests/ui/unpretty/box.stdout +++ b/tests/ui/unpretty/box.stdout @@ -8,7 +8,7 @@ use ::std::prelude::rust_2015::*; extern crate std; fn main() { - let _ = - #[rustc_box] - Box::new(1); - } + let _ = + #[rustc_box] + Box::new(1); +} diff --git a/tests/ui/unpretty/flattened-format-args.stdout b/tests/ui/unpretty/flattened-format-args.stdout index 275fa104e667..2de1cdd96b5b 100644 --- a/tests/ui/unpretty/flattened-format-args.stdout +++ b/tests/ui/unpretty/flattened-format-args.stdout @@ -6,10 +6,10 @@ extern crate std; //@ check-pass fn main() { - let x = 1; - // Should flatten to println!("a 123 b {x} xyz\n"): - { - ::std::io::_print(format_arguments::new_v1(&["a 123 b ", - " xyz\n"], &[format_argument::new_display(&x)])); - }; - } + let x = 1; + // Should flatten to println!("a 123 b {x} xyz\n"): + { + ::std::io::_print(format_arguments::new_v1(&["a 123 b ", " xyz\n"], + &[format_argument::new_display(&x)])); + }; +} diff --git a/tests/ui/unpretty/let-else-hir.stdout b/tests/ui/unpretty/let-else-hir.stdout index ed55f293876e..a2ffa5de5673 100644 --- a/tests/ui/unpretty/let-else-hir.stdout +++ b/tests/ui/unpretty/let-else-hir.stdout @@ -9,10 +9,10 @@ extern crate std; fn foo(x: Option) { - let Some(_) = x else - { + let Some(_) = x else + { - { ::std::rt::begin_panic("explicit panic") } - }; - } + { ::std::rt::begin_panic("explicit panic") } + }; +} fn main() { } From 20fd7251724a578dae4374e29ac70679ca21974b Mon Sep 17 00:00:00 2001 From: Tobias Bucher Date: Mon, 20 May 2024 21:21:53 +0200 Subject: [PATCH 0315/1716] Document platform-specifics for `Read` and `Write` of `File` --- library/std/src/fs.rs | 76 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) diff --git a/library/std/src/fs.rs b/library/std/src/fs.rs index 77e94365b08e..0dcf554770c5 100644 --- a/library/std/src/fs.rs +++ b/library/std/src/fs.rs @@ -767,11 +767,33 @@ fn buffer_capacity_required(mut file: &File) -> Option { #[stable(feature = "rust1", since = "1.0.0")] impl Read for &File { + /// Read some bytes from the file. + /// + /// See [`Read::read`] docs for more info. + /// + /// # Platform-specific behavior + /// + /// This function currently corresponds to the `read` function on Unix and + /// the `NtReadFile` function on Windows. Note that this [may change in + /// the future][changes]. + /// + /// [changes]: io#platform-specific-behavior #[inline] fn read(&mut self, buf: &mut [u8]) -> io::Result { self.inner.read(buf) } + /// Like `read`, except that it reads into a slice of buffers. + /// + /// See [`Read::read_vectored`] docs for more info. + /// + /// # Platform-specific behavior + /// + /// This function currently corresponds to the `readv` function on Unix and + /// falls back to the `read` implementation on Windows. Note that this + /// [may change in the future][changes]. + /// + /// [changes]: io#platform-specific-behavior #[inline] fn read_vectored(&mut self, bufs: &mut [IoSliceMut<'_>]) -> io::Result { self.inner.read_vectored(bufs) @@ -782,6 +804,16 @@ impl Read for &File { self.inner.read_buf(cursor) } + /// Determines if `File` has an efficient `read_vectored` implementation. + /// + /// See [`Read::is_read_vectored`] docs for more info. + /// + /// # Platform-specific behavior + /// + /// This function currently returns `true` on Unix an `false` on Windows. + /// Note that this [may change in the future][changes]. + /// + /// [changes]: io#platform-specific-behavior #[inline] fn is_read_vectored(&self) -> bool { self.inner.is_read_vectored() @@ -803,19 +835,63 @@ impl Read for &File { } #[stable(feature = "rust1", since = "1.0.0")] impl Write for &File { + /// Write some bytes from the file. + /// + /// See [`Write::write`] docs for more info. + /// + /// # Platform-specific behavior + /// + /// This function currently corresponds to the `write` function on Unix and + /// the `NtWriteFile` function on Windows. Note that this [may change in + /// the future][changes]. + /// + /// [changes]: io#platform-specific-behavior fn write(&mut self, buf: &[u8]) -> io::Result { self.inner.write(buf) } + /// Like `write`, except that it writes into a slice of buffers. + /// + /// See [`Write::write_vectored`] docs for more info. + /// + /// # Platform-specific behavior + /// + /// This function currently corresponds to the `writev` function on Unix + /// and falls back to the `write` implementation on Windows. Note that this + /// [may change in the future][changes]. + /// + /// [changes]: io#platform-specific-behavior fn write_vectored(&mut self, bufs: &[IoSlice<'_>]) -> io::Result { self.inner.write_vectored(bufs) } + /// Determines if `File` has an efficient `write_vectored` implementation. + /// + /// See [`Write::is_write_vectored`] docs for more info. + /// + /// # Platform-specific behavior + /// + /// This function currently returns `true` on Unix an `false` on Windows. + /// Note that this [may change in the future][changes]. + /// + /// [changes]: io#platform-specific-behavior #[inline] fn is_write_vectored(&self) -> bool { self.inner.is_write_vectored() } + /// Flushes the file, ensuring that all intermediately buffered contents + /// reach their destination. + /// + /// See [`Write::flush`] docs for more info. + /// + /// # Platform-specific behavior + /// + /// Since a `File` structure doesn't contain any buffers, this function is + /// currently a no-op on Unix and Windows. Note that this [may change in + /// the future][changes]. + /// + /// [changes]: io#platform-specific-behavior #[inline] fn flush(&mut self) -> io::Result<()> { self.inner.flush() From 972633f53034d7d8d60f4c11b680b3f8f2aff337 Mon Sep 17 00:00:00 2001 From: ardi Date: Sun, 19 May 2024 15:42:12 +0200 Subject: [PATCH 0316/1716] Fix parsing of erroneously placed semicolons --- compiler/rustc_parse/src/parser/item.rs | 12 +++++++++--- .../fn-no-semicolon-issue-124935-semi-after-item.rs | 6 ++++++ ...-no-semicolon-issue-124935-semi-after-item.stderr | 8 ++++++++ tests/ui/parser/issues/issue-49040.rs | 2 +- tests/ui/parser/issues/issue-49040.stderr | 6 +++--- .../missing-main-issue-124935-semi-after-item.rs | 5 +++++ .../missing-main-issue-124935-semi-after-item.stderr | 10 ++++++++++ 7 files changed, 42 insertions(+), 7 deletions(-) create mode 100644 tests/ui/parser/issues/fn-no-semicolon-issue-124935-semi-after-item.rs create mode 100644 tests/ui/parser/issues/fn-no-semicolon-issue-124935-semi-after-item.stderr create mode 100644 tests/ui/parser/issues/missing-main-issue-124935-semi-after-item.rs create mode 100644 tests/ui/parser/issues/missing-main-issue-124935-semi-after-item.stderr diff --git a/compiler/rustc_parse/src/parser/item.rs b/compiler/rustc_parse/src/parser/item.rs index a46c104b6d9c..f43ddadc2ea0 100644 --- a/compiler/rustc_parse/src/parser/item.rs +++ b/compiler/rustc_parse/src/parser/item.rs @@ -58,9 +58,15 @@ impl<'a> Parser<'a> { let attrs = self.parse_inner_attributes()?; let post_attr_lo = self.token.span; - let mut items = ThinVec::new(); - while let Some(item) = self.parse_item(ForceCollect::No)? { - self.maybe_consume_incorrect_semicolon(Some(&item)); + let mut items: ThinVec> = ThinVec::new(); + + // There shouldn't be any stray semicolons before or after items. + // `parse_item` consumes the appropriate semicolons so any leftover is an error. + loop { + while self.maybe_consume_incorrect_semicolon(items.last().map(|x| &**x)) {} // Eat all bad semicolons + let Some(item) = self.parse_item(ForceCollect::No)? else { + break; + }; items.push(item); } diff --git a/tests/ui/parser/issues/fn-no-semicolon-issue-124935-semi-after-item.rs b/tests/ui/parser/issues/fn-no-semicolon-issue-124935-semi-after-item.rs new file mode 100644 index 000000000000..3c0059ba3e3e --- /dev/null +++ b/tests/ui/parser/issues/fn-no-semicolon-issue-124935-semi-after-item.rs @@ -0,0 +1,6 @@ +// Regression test for issue #124935 +// Tests that we do not erroneously emit an error about +// missing main function when the mod starts with a `;` + +; //~ ERROR expected item, found `;` +fn main() { } diff --git a/tests/ui/parser/issues/fn-no-semicolon-issue-124935-semi-after-item.stderr b/tests/ui/parser/issues/fn-no-semicolon-issue-124935-semi-after-item.stderr new file mode 100644 index 000000000000..9776677589f5 --- /dev/null +++ b/tests/ui/parser/issues/fn-no-semicolon-issue-124935-semi-after-item.stderr @@ -0,0 +1,8 @@ +error: expected item, found `;` + --> $DIR/fn-no-semicolon-issue-124935-semi-after-item.rs:5:1 + | +LL | ; + | ^ help: remove this semicolon + +error: aborting due to 1 previous error + diff --git a/tests/ui/parser/issues/issue-49040.rs b/tests/ui/parser/issues/issue-49040.rs index b7a541dd6642..68e7cc9f80eb 100644 --- a/tests/ui/parser/issues/issue-49040.rs +++ b/tests/ui/parser/issues/issue-49040.rs @@ -1,3 +1,3 @@ #![allow(unused_variables)]; //~ ERROR expected item, found `;` -//~^ ERROR `main` function fn foo() {} +//~^ ERROR `main` function diff --git a/tests/ui/parser/issues/issue-49040.stderr b/tests/ui/parser/issues/issue-49040.stderr index 8af7838c7913..11ef5e1aadfd 100644 --- a/tests/ui/parser/issues/issue-49040.stderr +++ b/tests/ui/parser/issues/issue-49040.stderr @@ -5,10 +5,10 @@ LL | #![allow(unused_variables)]; | ^ help: remove this semicolon error[E0601]: `main` function not found in crate `issue_49040` - --> $DIR/issue-49040.rs:1:29 + --> $DIR/issue-49040.rs:2:12 | -LL | #![allow(unused_variables)]; - | ^ consider adding a `main` function to `$DIR/issue-49040.rs` +LL | fn foo() {} + | ^ consider adding a `main` function to `$DIR/issue-49040.rs` error: aborting due to 2 previous errors diff --git a/tests/ui/parser/issues/missing-main-issue-124935-semi-after-item.rs b/tests/ui/parser/issues/missing-main-issue-124935-semi-after-item.rs new file mode 100644 index 000000000000..3fbac5fae232 --- /dev/null +++ b/tests/ui/parser/issues/missing-main-issue-124935-semi-after-item.rs @@ -0,0 +1,5 @@ +// Regression test for issue #124935 +// Tests that we still emit an error after an item. + +fn main() { } +; //~ ERROR expected item, found `;` diff --git a/tests/ui/parser/issues/missing-main-issue-124935-semi-after-item.stderr b/tests/ui/parser/issues/missing-main-issue-124935-semi-after-item.stderr new file mode 100644 index 000000000000..2d7f540443d2 --- /dev/null +++ b/tests/ui/parser/issues/missing-main-issue-124935-semi-after-item.stderr @@ -0,0 +1,10 @@ +error: expected item, found `;` + --> $DIR/missing-main-issue-124935-semi-after-item.rs:5:1 + | +LL | ; + | ^ help: remove this semicolon + | + = help: function declarations are not followed by a semicolon + +error: aborting due to 1 previous error + From d39dc0ab2340547ba24a5153a5076a4554521479 Mon Sep 17 00:00:00 2001 From: Stefan Lankes Date: Mon, 20 May 2024 21:44:04 +0200 Subject: [PATCH 0317/1716] switch also the default implementation for read_vectored --- library/std/src/sys/pal/hermit/net.rs | 15 ++------------- 1 file changed, 2 insertions(+), 13 deletions(-) diff --git a/library/std/src/sys/pal/hermit/net.rs b/library/std/src/sys/pal/hermit/net.rs index 84ae311a7416..00dbca86a4ba 100644 --- a/library/std/src/sys/pal/hermit/net.rs +++ b/library/std/src/sys/pal/hermit/net.rs @@ -175,23 +175,12 @@ impl Socket { } pub fn read_vectored(&self, bufs: &mut [IoSliceMut<'_>]) -> io::Result { - let mut size: isize = 0; - - for i in bufs.iter_mut() { - let ret: isize = - cvt(unsafe { netc::read(self.0.as_raw_fd(), i.as_mut_ptr(), i.len()) })?; - - if ret != 0 { - size += ret; - } - } - - Ok(size.try_into().unwrap()) + crate::io::default_read_vectored(|b| self.read(b), bufs) } #[inline] pub fn is_read_vectored(&self) -> bool { - true + false } fn recv_from_with_flags(&self, buf: &mut [u8], flags: i32) -> io::Result<(usize, SocketAddr)> { From 9e5523e8c48d4c5ae6d662180c884bc771df8ee9 Mon Sep 17 00:00:00 2001 From: Alex Macleod Date: Mon, 20 May 2024 17:57:40 +0000 Subject: [PATCH 0318/1716] lint_groups_priority: ignore lints & groups at the same level --- .../src/cargo/lint_groups_priority.rs | 60 +++++++++---------- .../lint_groups_priority/fail/Cargo.stderr | 49 +++++++-------- .../lint_groups_priority/fail/Cargo.toml | 4 -- .../lint_groups_priority/pass/Cargo.toml | 7 +++ 4 files changed, 60 insertions(+), 60 deletions(-) diff --git a/clippy_lints/src/cargo/lint_groups_priority.rs b/clippy_lints/src/cargo/lint_groups_priority.rs index 0d9eaac882f7..e924542fea2a 100644 --- a/clippy_lints/src/cargo/lint_groups_priority.rs +++ b/clippy_lints/src/cargo/lint_groups_priority.rs @@ -71,12 +71,6 @@ struct CargoToml { workspace: Workspace, } -#[derive(Default, Debug)] -struct LintsAndGroups { - lints: Vec>, - groups: Vec<(Spanned, Spanned)>, -} - fn toml_span(range: Range, file: &SourceFile) -> Span { Span::new( file.start_pos + BytePos::from_usize(range.start), @@ -86,27 +80,28 @@ fn toml_span(range: Range, file: &SourceFile) -> Span { ) } -fn check_table(cx: &LateContext<'_>, table: LintTable, groups: &FxHashSet<&str>, file: &SourceFile) { - let mut by_priority = BTreeMap::<_, LintsAndGroups>::new(); +fn check_table(cx: &LateContext<'_>, table: LintTable, known_groups: &FxHashSet<&str>, file: &SourceFile) { + let mut lints = Vec::new(); + let mut groups = Vec::new(); for (name, config) in table { - let lints_and_groups = by_priority.entry(config.as_ref().priority()).or_default(); - if groups.contains(name.get_ref().as_str()) { - lints_and_groups.groups.push((name, config)); + if name.get_ref() == "warnings" { + continue; + } + + if known_groups.contains(name.get_ref().as_str()) { + groups.push((name, config)); } else { - lints_and_groups.lints.push(name); + lints.push((name, config.into_inner())); } } - let low_priority = by_priority - .iter() - .find(|(_, lints_and_groups)| !lints_and_groups.lints.is_empty()) - .map_or(-1, |(&lowest_lint_priority, _)| lowest_lint_priority - 1); - for (priority, LintsAndGroups { lints, groups }) in by_priority { - let Some(last_lint_alphabetically) = lints.last() else { - continue; - }; - - for (group, config) in groups { + for (group, group_config) in groups { + let priority = group_config.get_ref().priority(); + let level = group_config.get_ref().level(); + if let Some((conflict, _)) = lints + .iter() + .rfind(|(_, lint_config)| lint_config.priority() == priority && lint_config.level() != level) + { span_lint_and_then( cx, LINT_GROUPS_PRIORITY, @@ -116,22 +111,23 @@ fn check_table(cx: &LateContext<'_>, table: LintTable, groups: &FxHashSet<&str>, group.as_ref() ), |diag| { - let config_span = toml_span(config.span(), file); - if config.as_ref().is_implicit() { + let config_span = toml_span(group_config.span(), file); + + if group_config.as_ref().is_implicit() { diag.span_label(config_span, "has an implicit priority of 0"); } - // add the label to next lint after this group that has the same priority - let lint = lints - .iter() - .filter(|lint| lint.span().start > group.span().start) - .min_by_key(|lint| lint.span().start) - .unwrap_or(last_lint_alphabetically); - diag.span_label(toml_span(lint.span(), file), "has the same priority as this lint"); + diag.span_label(toml_span(conflict.span(), file), "has the same priority as this lint"); diag.note("the order of the lints in the table is ignored by Cargo"); + let mut suggestion = String::new(); + let low_priority = lints + .iter() + .map(|(_, config)| config.priority().saturating_sub(1)) + .min() + .unwrap_or(-1); Serialize::serialize( &LintConfigTable { - level: config.as_ref().level().into(), + level: level.into(), priority: Some(low_priority), }, toml::ser::ValueSerializer::new(&mut suggestion), diff --git a/tests/ui-cargo/lint_groups_priority/fail/Cargo.stderr b/tests/ui-cargo/lint_groups_priority/fail/Cargo.stderr index 9177e99f8e6e..4fe7f6f7a9ed 100644 --- a/tests/ui-cargo/lint_groups_priority/fail/Cargo.stderr +++ b/tests/ui-cargo/lint_groups_priority/fail/Cargo.stderr @@ -1,17 +1,18 @@ error: lint group `rust_2018_idioms` has the same priority (0) as a lint - --> Cargo.toml:7:1 - | -7 | rust_2018_idioms = "warn" - | ^^^^^^^^^^^^^^^^ ------ has an implicit priority of 0 -8 | bare_trait_objects = "allow" - | ------------------ has the same priority as this lint - | - = note: the order of the lints in the table is ignored by Cargo - = note: `#[deny(clippy::lint_groups_priority)]` on by default + --> Cargo.toml:7:1 + | +7 | rust_2018_idioms = "warn" + | ^^^^^^^^^^^^^^^^ ------ has an implicit priority of 0 +... +12 | unused_attributes = { level = "allow" } + | ----------------- has the same priority as this lint + | + = note: the order of the lints in the table is ignored by Cargo + = note: `#[deny(clippy::lint_groups_priority)]` on by default help: to have lints override the group set `rust_2018_idioms` to a lower priority - | -7 | rust_2018_idioms = { level = "warn", priority = -1 } - | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + | +7 | rust_2018_idioms = { level = "warn", priority = -1 } + | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: lint group `unused` has the same priority (0) as a lint --> Cargo.toml:10:1 @@ -29,45 +30,45 @@ help: to have lints override the group set `unused` to a lower priority | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: lint group `pedantic` has the same priority (-1) as a lint - --> Cargo.toml:19:1 + --> Cargo.toml:15:1 | -19 | pedantic = { level = "warn", priority = -1 } +15 | pedantic = { level = "warn", priority = -1 } | ^^^^^^^^ -20 | similar_names = { level = "allow", priority = -1 } +16 | similar_names = { level = "allow", priority = -1 } | ------------- has the same priority as this lint | = note: the order of the lints in the table is ignored by Cargo help: to have lints override the group set `pedantic` to a lower priority | -19 | pedantic = { level = "warn", priority = -2 } +15 | pedantic = { level = "warn", priority = -2 } | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: lint group `rust_2018_idioms` has the same priority (0) as a lint - --> Cargo.toml:23:1 + --> Cargo.toml:19:1 | -23 | rust_2018_idioms = "warn" +19 | rust_2018_idioms = "warn" | ^^^^^^^^^^^^^^^^ ------ has an implicit priority of 0 -24 | bare_trait_objects = "allow" +20 | bare_trait_objects = "allow" | ------------------ has the same priority as this lint | = note: the order of the lints in the table is ignored by Cargo help: to have lints override the group set `rust_2018_idioms` to a lower priority | -23 | rust_2018_idioms = { level = "warn", priority = -1 } +19 | rust_2018_idioms = { level = "warn", priority = -1 } | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: lint group `pedantic` has the same priority (0) as a lint - --> Cargo.toml:27:1 + --> Cargo.toml:23:1 | -27 | pedantic = "warn" +23 | pedantic = "warn" | ^^^^^^^^ ------ has an implicit priority of 0 -28 | similar_names = "allow" +24 | similar_names = "allow" | ------------- has the same priority as this lint | = note: the order of the lints in the table is ignored by Cargo help: to have lints override the group set `pedantic` to a lower priority | -27 | pedantic = { level = "warn", priority = -1 } +23 | pedantic = { level = "warn", priority = -1 } | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: could not compile `fail` (lib) due to 5 previous errors diff --git a/tests/ui-cargo/lint_groups_priority/fail/Cargo.toml b/tests/ui-cargo/lint_groups_priority/fail/Cargo.toml index e4d4af9cd234..c87662f822e1 100644 --- a/tests/ui-cargo/lint_groups_priority/fail/Cargo.toml +++ b/tests/ui-cargo/lint_groups_priority/fail/Cargo.toml @@ -11,10 +11,6 @@ unused = { level = "deny" } unused_braces = { level = "allow", priority = 1 } unused_attributes = { level = "allow" } -# `warnings` is not a group so the order it is passed does not matter -warnings = "deny" -deprecated = "allow" - [lints.clippy] pedantic = { level = "warn", priority = -1 } similar_names = { level = "allow", priority = -1 } diff --git a/tests/ui-cargo/lint_groups_priority/pass/Cargo.toml b/tests/ui-cargo/lint_groups_priority/pass/Cargo.toml index e9fcf803d936..979c915cf0c1 100644 --- a/tests/ui-cargo/lint_groups_priority/pass/Cargo.toml +++ b/tests/ui-cargo/lint_groups_priority/pass/Cargo.toml @@ -3,6 +3,13 @@ name = "pass" version = "0.1.0" publish = false +[lints.rust] +# Warnings does not conflict with any group or lint +warnings = "deny" +# Groups & lints at the same level do not conflict +rust_2018_idioms = "warn" +unsafe_code = "warn" + [lints.clippy] pedantic = { level = "warn", priority = -1 } style = { level = "warn", priority = 1 } From b31625cdc7034df5fae32c4d6d6ff0e7d43496d8 Mon Sep 17 00:00:00 2001 From: schvv31n Date: Mon, 20 May 2024 21:27:30 +0100 Subject: [PATCH 0319/1716] Accounted for possible extra layers before the consuming parent expr --- .../src/methods/iter_on_single_or_empty_collections.rs | 4 ++-- tests/ui/iter_on_empty_collections.fixed | 5 +++++ tests/ui/iter_on_empty_collections.rs | 5 +++++ 3 files changed, 12 insertions(+), 2 deletions(-) diff --git a/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs b/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs index e8bba0dfe749..1bf323cf3c7d 100644 --- a/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs +++ b/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs @@ -77,11 +77,11 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>, method .qpath_res(path, *hir_id) .opt_def_id() .filter(|fn_id| cx.tcx.def_kind(fn_id).is_fn_like()) - .is_some_and(|fn_id| is_arg_ty_unified_in_fn(cx, fn_id, expr.hir_id, args)), + .is_some_and(|fn_id| is_arg_ty_unified_in_fn(cx, fn_id, child_id, args)), ExprKind::MethodCall(_name, recv, args, _span) => is_arg_ty_unified_in_fn( cx, cx.typeck_results().type_dependent_def_id(parent.hir_id).unwrap(), - expr.hir_id, + child_id, once(recv).chain(args.iter()), ), ExprKind::If(_, _, _) diff --git a/tests/ui/iter_on_empty_collections.fixed b/tests/ui/iter_on_empty_collections.fixed index 871cc18d7c2d..4b5746c7b6f4 100644 --- a/tests/ui/iter_on_empty_collections.fixed +++ b/tests/ui/iter_on_empty_collections.fixed @@ -29,6 +29,11 @@ fn array() { println!("{i}"); } + // Same as above, but for empty collection iters with extra layers + for i in smth.as_ref().map_or({ [].iter() }, |s| s.iter()) { + println!("{y}", y = i + 1); + } + // Same as above, but for regular function calls for i in Option::map_or(smth.as_ref(), [].iter(), |s| s.iter()) { println!("{i}"); diff --git a/tests/ui/iter_on_empty_collections.rs b/tests/ui/iter_on_empty_collections.rs index 7e3df49eefcd..737192d556d3 100644 --- a/tests/ui/iter_on_empty_collections.rs +++ b/tests/ui/iter_on_empty_collections.rs @@ -29,6 +29,11 @@ fn array() { println!("{i}"); } + // Same as above, but for empty collection iters with extra layers + for i in smth.as_ref().map_or({ [].iter() }, |s| s.iter()) { + println!("{y}", y = i + 1); + } + // Same as above, but for regular function calls for i in Option::map_or(smth.as_ref(), [].iter(), |s| s.iter()) { println!("{i}"); From 82df0c3540dd6325ee4401ffd9f4ad8f13120a6a Mon Sep 17 00:00:00 2001 From: lcnr Date: Mon, 13 May 2024 15:08:25 +0000 Subject: [PATCH 0320/1716] move fixpoint step into subfunction --- .../src/solve/search_graph.rs | 129 +++++++++++------- 1 file changed, 76 insertions(+), 53 deletions(-) diff --git a/compiler/rustc_trait_selection/src/solve/search_graph.rs b/compiler/rustc_trait_selection/src/solve/search_graph.rs index 5a5df439a788..87e4fd9ae736 100644 --- a/compiler/rustc_trait_selection/src/solve/search_graph.rs +++ b/compiler/rustc_trait_selection/src/solve/search_graph.rs @@ -391,60 +391,10 @@ impl<'tcx> SearchGraph> { // `with_anon_task` closure. let ((final_entry, result), dep_node) = tcx.dep_graph.with_anon_task(tcx, dep_kinds::TraitSelect, || { - // When we encounter a coinductive cycle, we have to fetch the - // result of that cycle while we are still computing it. Because - // of this we continuously recompute the cycle until the result - // of the previous iteration is equal to the final result, at which - // point we are done. for _ in 0..FIXPOINT_STEP_LIMIT { - let result = prove_goal(self, inspect); - let stack_entry = self.pop_stack(); - debug_assert_eq!(stack_entry.input, input); - - // If the current goal is not the root of a cycle, we are done. - if stack_entry.has_been_used.is_empty() { - return (stack_entry, result); - } - - // If it is a cycle head, we have to keep trying to prove it until - // we reach a fixpoint. We need to do so for all cycle heads, - // not only for the root. - // - // See tests/ui/traits/next-solver/cycles/fixpoint-rerun-all-cycle-heads.rs - // for an example. - - // Start by clearing all provisional cache entries which depend on this - // the current goal. - Self::clear_dependent_provisional_results( - &mut self.provisional_cache, - self.stack.next_index(), - ); - - // Check whether we reached a fixpoint, either because the final result - // is equal to the provisional result of the previous iteration, or because - // this was only the root of either coinductive or inductive cycles, and the - // final result is equal to the initial response for that case. - let reached_fixpoint = if let Some(r) = stack_entry.provisional_result { - r == result - } else if stack_entry.has_been_used == HasBeenUsed::COINDUCTIVE_CYCLE { - Self::response_no_constraints(tcx, input, Certainty::Yes) == result - } else if stack_entry.has_been_used == HasBeenUsed::INDUCTIVE_CYCLE { - Self::response_no_constraints(tcx, input, Certainty::overflow(false)) - == result - } else { - false - }; - - // If we did not reach a fixpoint, update the provisional result and reevaluate. - if reached_fixpoint { - return (stack_entry, result); - } else { - let depth = self.stack.push(StackEntry { - has_been_used: HasBeenUsed::empty(), - provisional_result: Some(result), - ..stack_entry - }); - debug_assert_eq!(self.provisional_cache[&input].stack_depth, Some(depth)); + match self.fixpoint_step_in_task(tcx, input, inspect, &mut prove_goal) { + StepResult::Done(final_entry, result) => return (final_entry, result), + StepResult::HasChanged => {} } } @@ -496,6 +446,79 @@ impl<'tcx> SearchGraph> { result } +} + +enum StepResult<'tcx> { + Done(StackEntry<'tcx>, QueryResult<'tcx>), + HasChanged, +} + +impl<'tcx> SearchGraph<'tcx> { + /// When we encounter a coinductive cycle, we have to fetch the + /// result of that cycle while we are still computing it. Because + /// of this we continuously recompute the cycle until the result + /// of the previous iteration is equal to the final result, at which + /// point we are done. + fn fixpoint_step_in_task( + &mut self, + tcx: TyCtxt<'tcx>, + input: CanonicalInput<'tcx>, + inspect: &mut ProofTreeBuilder>, + prove_goal: &mut F, + ) -> StepResult<'tcx> + where + F: FnMut(&mut Self, &mut ProofTreeBuilder>) -> QueryResult<'tcx>, + { + let result = prove_goal(self, inspect); + let stack_entry = self.pop_stack(); + debug_assert_eq!(stack_entry.input, input); + + // If the current goal is not the root of a cycle, we are done. + if stack_entry.has_been_used.is_empty() { + return StepResult::Done(stack_entry, result); + } + + // If it is a cycle head, we have to keep trying to prove it until + // we reach a fixpoint. We need to do so for all cycle heads, + // not only for the root. + // + // See tests/ui/traits/next-solver/cycles/fixpoint-rerun-all-cycle-heads.rs + // for an example. + + // Start by clearing all provisional cache entries which depend on this + // the current goal. + Self::clear_dependent_provisional_results( + &mut self.provisional_cache, + self.stack.next_index(), + ); + + // Check whether we reached a fixpoint, either because the final result + // is equal to the provisional result of the previous iteration, or because + // this was only the root of either coinductive or inductive cycles, and the + // final result is equal to the initial response for that case. + let reached_fixpoint = if let Some(r) = stack_entry.provisional_result { + r == result + } else if stack_entry.has_been_used == HasBeenUsed::COINDUCTIVE_CYCLE { + Self::response_no_constraints(tcx, input, Certainty::Yes) == result + } else if stack_entry.has_been_used == HasBeenUsed::INDUCTIVE_CYCLE { + Self::response_no_constraints(tcx, input, Certainty::overflow(false)) == result + } else { + false + }; + + // If we did not reach a fixpoint, update the provisional result and reevaluate. + if reached_fixpoint { + StepResult::Done(stack_entry, result) + } else { + let depth = self.stack.push(StackEntry { + has_been_used: HasBeenUsed::empty(), + provisional_result: Some(result), + ..stack_entry + }); + debug_assert_eq!(self.provisional_cache[&input].stack_depth, Some(depth)); + StepResult::HasChanged + } + } fn response_no_constraints( tcx: TyCtxt<'tcx>, From ee0f20bb97ee834d79f69506a959ba9a78f16683 Mon Sep 17 00:00:00 2001 From: lcnr Date: Mon, 13 May 2024 15:50:59 +0000 Subject: [PATCH 0321/1716] move global cache lookup into fn --- .../rustc_middle/src/traits/solve/cache.rs | 34 ++++---- .../src/solve/search_graph.rs | 86 ++++++++++--------- 2 files changed, 62 insertions(+), 58 deletions(-) diff --git a/compiler/rustc_middle/src/traits/solve/cache.rs b/compiler/rustc_middle/src/traits/solve/cache.rs index 03ce7cf98cf7..2ff4ade21d08 100644 --- a/compiler/rustc_middle/src/traits/solve/cache.rs +++ b/compiler/rustc_middle/src/traits/solve/cache.rs @@ -14,11 +14,11 @@ pub struct EvaluationCache<'tcx> { map: Lock, CacheEntry<'tcx>>>, } -#[derive(PartialEq, Eq)] +#[derive(Debug, PartialEq, Eq)] pub struct CacheData<'tcx> { pub result: QueryResult<'tcx>, pub proof_tree: Option<&'tcx [inspect::GoalEvaluationStep>]>, - pub reached_depth: usize, + pub additional_depth: usize, pub encountered_overflow: bool, } @@ -29,7 +29,7 @@ impl<'tcx> EvaluationCache<'tcx> { tcx: TyCtxt<'tcx>, key: CanonicalInput<'tcx>, proof_tree: Option<&'tcx [inspect::GoalEvaluationStep>]>, - reached_depth: usize, + additional_depth: usize, encountered_overflow: bool, cycle_participants: FxHashSet>, dep_node: DepNodeIndex, @@ -40,17 +40,17 @@ impl<'tcx> EvaluationCache<'tcx> { let data = WithDepNode::new(dep_node, QueryData { result, proof_tree }); entry.cycle_participants.extend(cycle_participants); if encountered_overflow { - entry.with_overflow.insert(reached_depth, data); + entry.with_overflow.insert(additional_depth, data); } else { - entry.success = Some(Success { data, reached_depth }); + entry.success = Some(Success { data, additional_depth }); } if cfg!(debug_assertions) { drop(map); - if Some(CacheData { result, proof_tree, reached_depth, encountered_overflow }) - != self.get(tcx, key, |_| false, Limit(reached_depth)) - { - bug!("unable to retrieve inserted element from cache: {key:?}"); + let expected = CacheData { result, proof_tree, additional_depth, encountered_overflow }; + let actual = self.get(tcx, key, [], Limit(additional_depth)); + if !actual.as_ref().is_some_and(|actual| expected == *actual) { + bug!("failed to lookup inserted element for {key:?}: {expected:?} != {actual:?}"); } } } @@ -63,23 +63,25 @@ impl<'tcx> EvaluationCache<'tcx> { &self, tcx: TyCtxt<'tcx>, key: CanonicalInput<'tcx>, - cycle_participant_in_stack: impl FnOnce(&FxHashSet>) -> bool, + stack_entries: impl IntoIterator>, available_depth: Limit, ) -> Option> { let map = self.map.borrow(); let entry = map.get(&key)?; - if cycle_participant_in_stack(&entry.cycle_participants) { - return None; + for stack_entry in stack_entries { + if entry.cycle_participants.contains(&stack_entry) { + return None; + } } if let Some(ref success) = entry.success { - if available_depth.value_within_limit(success.reached_depth) { + if available_depth.value_within_limit(success.additional_depth) { let QueryData { result, proof_tree } = success.data.get(tcx); return Some(CacheData { result, proof_tree, - reached_depth: success.reached_depth, + additional_depth: success.additional_depth, encountered_overflow: false, }); } @@ -90,7 +92,7 @@ impl<'tcx> EvaluationCache<'tcx> { CacheData { result, proof_tree, - reached_depth: available_depth.0, + additional_depth: available_depth.0, encountered_overflow: true, } }) @@ -99,7 +101,7 @@ impl<'tcx> EvaluationCache<'tcx> { struct Success<'tcx> { data: WithDepNode>, - reached_depth: usize, + additional_depth: usize, } #[derive(Clone, Copy)] diff --git a/compiler/rustc_trait_selection/src/solve/search_graph.rs b/compiler/rustc_trait_selection/src/solve/search_graph.rs index 87e4fd9ae736..6cc674dcfed1 100644 --- a/compiler/rustc_trait_selection/src/solve/search_graph.rs +++ b/compiler/rustc_trait_selection/src/solve/search_graph.rs @@ -134,16 +134,6 @@ impl SearchGraph { self.mode } - /// Update the stack and reached depths on cache hits. - #[instrument(level = "trace", skip(self))] - fn on_cache_hit(&mut self, additional_depth: usize, encountered_overflow: bool) { - let reached_depth = self.stack.next_index().plus(additional_depth); - if let Some(last) = self.stack.raw.last_mut() { - last.reached_depth = last.reached_depth.max(reached_depth); - last.encountered_overflow |= encountered_overflow; - } - } - /// Pops the highest goal from the stack, lazily updating the /// the next goal in the stack. /// @@ -276,37 +266,7 @@ impl<'tcx> SearchGraph> { return Self::response_no_constraints(tcx, input, Certainty::overflow(true)); }; - // Try to fetch the goal from the global cache. - 'global: { - let Some(CacheData { result, proof_tree, reached_depth, encountered_overflow }) = - self.global_cache(tcx).get( - tcx, - input, - |cycle_participants| { - self.stack.iter().any(|entry| cycle_participants.contains(&entry.input)) - }, - available_depth, - ) - else { - break 'global; - }; - - // If we're building a proof tree and the current cache entry does not - // contain a proof tree, we do not use the entry but instead recompute - // the goal. We simply overwrite the existing entry once we're done, - // caching the proof tree. - if !inspect.is_noop() { - if let Some(revisions) = proof_tree { - inspect.goal_evaluation_kind( - inspect::WipCanonicalGoalEvaluationKind::Interned { revisions }, - ); - } else { - break 'global; - } - } - - self.on_cache_hit(reached_depth, encountered_overflow); - debug!("global cache hit"); + if let Some(result) = self.lookup_global_cache(tcx, input, available_depth, inspect) { return result; } @@ -388,7 +348,10 @@ impl<'tcx> SearchGraph> { // This is for global caching, so we properly track query dependencies. // Everything that affects the `result` should be performed within this - // `with_anon_task` closure. + // `with_anon_task` closure. If computing this goal depends on something + // not tracked by the cache key and from outside of this anon task, it + // must not be added to the global cache. Notably, this is the case for + // trait solver cycles participants. let ((final_entry, result), dep_node) = tcx.dep_graph.with_anon_task(tcx, dep_kinds::TraitSelect, || { for _ in 0..FIXPOINT_STEP_LIMIT { @@ -446,6 +409,45 @@ impl<'tcx> SearchGraph> { result } + + /// Try to fetch a previously computed result from the global cache, + /// making sure to only do so if it would match the result of reevaluating + /// this goal. + fn lookup_global_cache( + &mut self, + tcx: TyCtxt<'tcx>, + input: CanonicalInput<'tcx>, + available_depth: Limit, + inspect: &mut ProofTreeBuilder>, + ) -> Option> { + let CacheData { result, proof_tree, additional_depth, encountered_overflow } = self + .global_cache(tcx) + .get(tcx, input, self.stack.iter().map(|e| e.input), available_depth)?; + + // If we're building a proof tree and the current cache entry does not + // contain a proof tree, we do not use the entry but instead recompute + // the goal. We simply overwrite the existing entry once we're done, + // caching the proof tree. + if !inspect.is_noop() { + if let Some(revisions) = proof_tree { + let kind = inspect::WipCanonicalGoalEvaluationKind::Interned { revisions }; + inspect.goal_evaluation_kind(kind); + } else { + return None; + } + } + + // Update the reached depth of the current goal to make sure + // its state is the same regardless of whether we've used the + // global cache or not. + let reached_depth = self.stack.next_index().plus(additional_depth); + if let Some(last) = self.stack.raw.last_mut() { + last.reached_depth = last.reached_depth.max(reached_depth); + last.encountered_overflow |= encountered_overflow; + } + + Some(result) + } } enum StepResult<'tcx> { From f99c9ffd88cd6d1954c444e86fe98b3e05333edd Mon Sep 17 00:00:00 2001 From: lcnr Date: Mon, 20 May 2024 03:12:05 +0000 Subject: [PATCH 0322/1716] track cycle participants per entry --- .../src/solve/search_graph.rs | 178 +++++++++++++----- .../incompleteness-unstable-result.rs | 2 + ...ncompleteness-unstable-result.with.stderr} | 6 +- ...ompleteness-unstable-result.without.stderr | 26 +++ 4 files changed, 159 insertions(+), 53 deletions(-) rename tests/ui/traits/next-solver/cycles/coinduction/{incompleteness-unstable-result.stderr => incompleteness-unstable-result.with.stderr} (87%) create mode 100644 tests/ui/traits/next-solver/cycles/coinduction/incompleteness-unstable-result.without.stderr diff --git a/compiler/rustc_trait_selection/src/solve/search_graph.rs b/compiler/rustc_trait_selection/src/solve/search_graph.rs index 6cc674dcfed1..bcd210f789bf 100644 --- a/compiler/rustc_trait_selection/src/solve/search_graph.rs +++ b/compiler/rustc_trait_selection/src/solve/search_graph.rs @@ -47,20 +47,39 @@ struct StackEntry { /// Whether this entry is a non-root cycle participant. /// /// We must not move the result of non-root cycle participants to the - /// global cache. See [SearchGraph::cycle_participants] for more details. - /// We store the highest stack depth of a head of a cycle this goal is involved - /// in. This necessary to soundly cache its provisional result. + /// global cache. We store the highest stack depth of a head of a cycle + /// this goal is involved in. This necessary to soundly cache its + /// provisional result. non_root_cycle_participant: Option, encountered_overflow: bool, has_been_used: HasBeenUsed, + + /// We put only the root goal of a coinductive cycle into the global cache. + /// + /// If we were to use that result when later trying to prove another cycle + /// participant, we can end up with unstable query results. + /// + /// See tests/ui/next-solver/coinduction/incompleteness-unstable-result.rs for + /// an example of where this is needed. + /// + /// There can be multiple roots on the same stack, so we need to track + /// cycle participants per root: + /// ```plain + /// A :- B + /// B :- A, C + /// C :- D + /// D :- C + /// ``` + cycle_participants: FxHashSet>, /// Starts out as `None` and gets set when rerunning this /// goal in case we encounter a cycle. provisional_result: Option>, } /// The provisional result for a goal which is not on the stack. +#[derive(Debug)] struct DetachedEntry { /// The head of the smallest non-trivial cycle involving this entry. /// @@ -110,24 +129,11 @@ pub(super) struct SearchGraph { /// An element is *deeper* in the stack if its index is *lower*. stack: IndexVec>, provisional_cache: FxHashMap, ProvisionalCacheEntry>, - /// We put only the root goal of a coinductive cycle into the global cache. - /// - /// If we were to use that result when later trying to prove another cycle - /// participant, we can end up with unstable query results. - /// - /// See tests/ui/next-solver/coinduction/incompleteness-unstable-result.rs for - /// an example of where this is needed. - cycle_participants: FxHashSet>, } impl SearchGraph { pub(super) fn new(mode: SolverMode) -> SearchGraph { - Self { - mode, - stack: Default::default(), - provisional_cache: Default::default(), - cycle_participants: Default::default(), - } + Self { mode, stack: Default::default(), provisional_cache: Default::default() } } pub(super) fn solver_mode(&self) -> SolverMode { @@ -149,13 +155,7 @@ impl SearchGraph { } pub(super) fn is_empty(&self) -> bool { - if self.stack.is_empty() { - debug_assert!(self.provisional_cache.is_empty()); - debug_assert!(self.cycle_participants.is_empty()); - true - } else { - false - } + self.stack.is_empty() } /// Returns the remaining depth allowed for nested goals. @@ -205,15 +205,26 @@ impl SearchGraph { // their result does not get moved to the global cache. fn tag_cycle_participants( stack: &mut IndexVec>, - cycle_participants: &mut FxHashSet>, usage_kind: HasBeenUsed, head: StackDepth, ) { stack[head].has_been_used |= usage_kind; debug_assert!(!stack[head].has_been_used.is_empty()); - for entry in &mut stack.raw[head.index() + 1..] { + + // The current root of these cycles. Note that this may not be the final + // root in case a later goal depends on a goal higher up the stack. + let mut current_root = head; + while let Some(parent) = stack[current_root].non_root_cycle_participant { + current_root = parent; + debug_assert!(!stack[current_root].has_been_used.is_empty()); + } + + let (stack, cycle_participants) = stack.raw.split_at_mut(head.index() + 1); + let current_cycle_root = &mut stack[current_root.as_usize()]; + for entry in cycle_participants { entry.non_root_cycle_participant = entry.non_root_cycle_participant.max(Some(head)); - cycle_participants.insert(entry.input); + current_cycle_root.cycle_participants.insert(entry.input); + current_cycle_root.cycle_participants.extend(mem::take(&mut entry.cycle_participants)); } } @@ -256,6 +267,7 @@ impl<'tcx> SearchGraph> { &mut ProofTreeBuilder>, ) -> QueryResult>, ) -> QueryResult> { + self.check_invariants(); // Check for overflow. let Some(available_depth) = Self::allowed_depth_for_nested(tcx, &self.stack) else { if let Some(last) = self.stack.raw.last_mut() { @@ -292,12 +304,7 @@ impl<'tcx> SearchGraph> { // already set correctly while computing the cache entry. inspect .goal_evaluation_kind(inspect::WipCanonicalGoalEvaluationKind::ProvisionalCacheHit); - Self::tag_cycle_participants( - &mut self.stack, - &mut self.cycle_participants, - HasBeenUsed::empty(), - entry.head, - ); + Self::tag_cycle_participants(&mut self.stack, HasBeenUsed::empty(), entry.head); return entry.result; } else if let Some(stack_depth) = cache_entry.stack_depth { debug!("encountered cycle with depth {stack_depth:?}"); @@ -314,12 +321,7 @@ impl<'tcx> SearchGraph> { } else { HasBeenUsed::INDUCTIVE_CYCLE }; - Self::tag_cycle_participants( - &mut self.stack, - &mut self.cycle_participants, - usage_kind, - stack_depth, - ); + Self::tag_cycle_participants(&mut self.stack, usage_kind, stack_depth); // Return the provisional result or, if we're in the first iteration, // start with no constraints. @@ -340,6 +342,7 @@ impl<'tcx> SearchGraph> { non_root_cycle_participant: None, encountered_overflow: false, has_been_used: HasBeenUsed::empty(), + cycle_participants: Default::default(), provisional_result: None, }; assert_eq!(self.stack.push(entry), depth); @@ -386,14 +389,13 @@ impl<'tcx> SearchGraph> { } else { self.provisional_cache.remove(&input); let reached_depth = final_entry.reached_depth.as_usize() - self.stack.len(); - let cycle_participants = mem::take(&mut self.cycle_participants); // When encountering a cycle, both inductive and coinductive, we only // move the root into the global cache. We also store all other cycle // participants involved. // // We must not use the global cache entry of a root goal if a cycle // participant is on the stack. This is necessary to prevent unstable - // results. See the comment of `SearchGraph::cycle_participants` for + // results. See the comment of `StackEntry::cycle_participants` for // more details. self.global_cache(tcx).insert( tcx, @@ -401,12 +403,14 @@ impl<'tcx> SearchGraph> { proof_tree, reached_depth, final_entry.encountered_overflow, - cycle_participants, + final_entry.cycle_participants, dep_node, result, ) } + self.check_invariants(); + result } @@ -416,10 +420,10 @@ impl<'tcx> SearchGraph> { fn lookup_global_cache( &mut self, tcx: TyCtxt<'tcx>, - input: CanonicalInput<'tcx>, + input: CanonicalInput>, available_depth: Limit, inspect: &mut ProofTreeBuilder>, - ) -> Option> { + ) -> Option>> { let CacheData { result, proof_tree, additional_depth, encountered_overflow } = self .global_cache(tcx) .get(tcx, input, self.stack.iter().map(|e| e.input), available_depth)?; @@ -450,12 +454,12 @@ impl<'tcx> SearchGraph> { } } -enum StepResult<'tcx> { - Done(StackEntry<'tcx>, QueryResult<'tcx>), +enum StepResult { + Done(StackEntry, QueryResult), HasChanged, } -impl<'tcx> SearchGraph<'tcx> { +impl<'tcx> SearchGraph> { /// When we encounter a coinductive cycle, we have to fetch the /// result of that cycle while we are still computing it. Because /// of this we continuously recompute the cycle until the result @@ -464,12 +468,12 @@ impl<'tcx> SearchGraph<'tcx> { fn fixpoint_step_in_task( &mut self, tcx: TyCtxt<'tcx>, - input: CanonicalInput<'tcx>, + input: CanonicalInput>, inspect: &mut ProofTreeBuilder>, prove_goal: &mut F, - ) -> StepResult<'tcx> + ) -> StepResult> where - F: FnMut(&mut Self, &mut ProofTreeBuilder>) -> QueryResult<'tcx>, + F: FnMut(&mut Self, &mut ProofTreeBuilder>) -> QueryResult>, { let result = prove_goal(self, inspect); let stack_entry = self.pop_stack(); @@ -530,3 +534,77 @@ impl<'tcx> SearchGraph<'tcx> { Ok(super::response_no_constraints_raw(tcx, goal.max_universe, goal.variables, certainty)) } } + +impl SearchGraph { + #[allow(rustc::potential_query_instability)] + fn check_invariants(&self) { + if !cfg!(debug_assertions) { + return; + } + + let SearchGraph { mode: _, stack, provisional_cache } = self; + if stack.is_empty() { + assert!(provisional_cache.is_empty()); + } + + for (depth, entry) in stack.iter_enumerated() { + let StackEntry { + input, + available_depth: _, + reached_depth: _, + non_root_cycle_participant, + encountered_overflow: _, + has_been_used, + ref cycle_participants, + provisional_result, + } = *entry; + let cache_entry = provisional_cache.get(&entry.input).unwrap(); + assert_eq!(cache_entry.stack_depth, Some(depth)); + if let Some(head) = non_root_cycle_participant { + assert!(head < depth); + assert!(cycle_participants.is_empty()); + assert_ne!(stack[head].has_been_used, HasBeenUsed::empty()); + + let mut current_root = head; + while let Some(parent) = stack[current_root].non_root_cycle_participant { + current_root = parent; + } + assert!(stack[current_root].cycle_participants.contains(&input)); + } + + if !cycle_participants.is_empty() { + assert!(provisional_result.is_some() || !has_been_used.is_empty()); + for entry in stack.iter().take(depth.as_usize()) { + assert_eq!(cycle_participants.get(&entry.input), None); + } + } + } + + for (&input, entry) in &self.provisional_cache { + let ProvisionalCacheEntry { stack_depth, with_coinductive_stack, with_inductive_stack } = + entry; + assert!( + stack_depth.is_some() + || with_coinductive_stack.is_some() + || with_inductive_stack.is_some() + ); + + if let &Some(stack_depth) = stack_depth { + assert_eq!(stack[stack_depth].input, input); + } + + let check_detached = |detached_entry: &DetachedEntry| { + let DetachedEntry { head, result: _ } = *detached_entry; + assert_ne!(stack[head].has_been_used, HasBeenUsed::empty()); + }; + + if let Some(with_coinductive_stack) = with_coinductive_stack { + check_detached(with_coinductive_stack); + } + + if let Some(with_inductive_stack) = with_inductive_stack { + check_detached(with_inductive_stack); + } + } + } +} diff --git a/tests/ui/traits/next-solver/cycles/coinduction/incompleteness-unstable-result.rs b/tests/ui/traits/next-solver/cycles/coinduction/incompleteness-unstable-result.rs index 7eea81ce03c6..920f8add5079 100644 --- a/tests/ui/traits/next-solver/cycles/coinduction/incompleteness-unstable-result.rs +++ b/tests/ui/traits/next-solver/cycles/coinduction/incompleteness-unstable-result.rs @@ -1,3 +1,4 @@ +//@ revisions: with without //@ compile-flags: -Znext-solver #![feature(rustc_attrs)] @@ -56,6 +57,7 @@ where X: IncompleteGuidance, X: IncompleteGuidance, { + #[cfg(with)] impls_trait::, _, _, _>(); // entering the cycle from `B` works // entering the cycle from `A` fails, but would work if we were to use the cache diff --git a/tests/ui/traits/next-solver/cycles/coinduction/incompleteness-unstable-result.stderr b/tests/ui/traits/next-solver/cycles/coinduction/incompleteness-unstable-result.with.stderr similarity index 87% rename from tests/ui/traits/next-solver/cycles/coinduction/incompleteness-unstable-result.stderr rename to tests/ui/traits/next-solver/cycles/coinduction/incompleteness-unstable-result.with.stderr index ffa3f29e4bd6..a81229e5e355 100644 --- a/tests/ui/traits/next-solver/cycles/coinduction/incompleteness-unstable-result.stderr +++ b/tests/ui/traits/next-solver/cycles/coinduction/incompleteness-unstable-result.with.stderr @@ -1,12 +1,12 @@ error[E0277]: the trait bound `A: Trait<_, _, _>` is not satisfied - --> $DIR/incompleteness-unstable-result.rs:63:19 + --> $DIR/incompleteness-unstable-result.rs:65:19 | LL | impls_trait::, _, _, _>(); | ^^^^ the trait `Trait<_, _, _>` is not implemented for `A`, which is required by `A: Trait<_, _, _>` | = help: the trait `Trait` is implemented for `A` note: required for `A` to implement `Trait<_, _, _>` - --> $DIR/incompleteness-unstable-result.rs:32:50 + --> $DIR/incompleteness-unstable-result.rs:33:50 | LL | impl Trait for A | ^^^^^^^^^^^^^^ ^^^^ @@ -16,7 +16,7 @@ LL | A: Trait, = note: 8 redundant requirements hidden = note: required for `A` to implement `Trait<_, _, _>` note: required by a bound in `impls_trait` - --> $DIR/incompleteness-unstable-result.rs:51:28 + --> $DIR/incompleteness-unstable-result.rs:52:28 | LL | fn impls_trait, U: ?Sized, V: ?Sized, D: ?Sized>() {} | ^^^^^^^^^^^^^^ required by this bound in `impls_trait` diff --git a/tests/ui/traits/next-solver/cycles/coinduction/incompleteness-unstable-result.without.stderr b/tests/ui/traits/next-solver/cycles/coinduction/incompleteness-unstable-result.without.stderr new file mode 100644 index 000000000000..a81229e5e355 --- /dev/null +++ b/tests/ui/traits/next-solver/cycles/coinduction/incompleteness-unstable-result.without.stderr @@ -0,0 +1,26 @@ +error[E0277]: the trait bound `A: Trait<_, _, _>` is not satisfied + --> $DIR/incompleteness-unstable-result.rs:65:19 + | +LL | impls_trait::, _, _, _>(); + | ^^^^ the trait `Trait<_, _, _>` is not implemented for `A`, which is required by `A: Trait<_, _, _>` + | + = help: the trait `Trait` is implemented for `A` +note: required for `A` to implement `Trait<_, _, _>` + --> $DIR/incompleteness-unstable-result.rs:33:50 + | +LL | impl Trait for A + | ^^^^^^^^^^^^^^ ^^^^ +... +LL | A: Trait, + | -------------- unsatisfied trait bound introduced here + = note: 8 redundant requirements hidden + = note: required for `A` to implement `Trait<_, _, _>` +note: required by a bound in `impls_trait` + --> $DIR/incompleteness-unstable-result.rs:52:28 + | +LL | fn impls_trait, U: ?Sized, V: ?Sized, D: ?Sized>() {} + | ^^^^^^^^^^^^^^ required by this bound in `impls_trait` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0277`. From fa1b7f2d7865e8fd0165899f8ac2a01aca121e39 Mon Sep 17 00:00:00 2001 From: Tobias Bucher Date: Mon, 20 May 2024 23:17:11 +0200 Subject: [PATCH 0323/1716] Remove some `Path::to_str` from `rustc_codegen_llvm` Unnecessary panic paths when there's a better option. --- .../rustc_codegen_llvm/src/back/archive.rs | 29 +++++++++---------- 1 file changed, 14 insertions(+), 15 deletions(-) diff --git a/compiler/rustc_codegen_llvm/src/back/archive.rs b/compiler/rustc_codegen_llvm/src/back/archive.rs index d4a3e39cef72..c304c0cbd3bd 100644 --- a/compiler/rustc_codegen_llvm/src/back/archive.rs +++ b/compiler/rustc_codegen_llvm/src/back/archive.rs @@ -200,21 +200,20 @@ impl ArchiveBuilderBuilder for LlvmArchiveBuilderBuilder { _ => panic!("unsupported arch {}", sess.target.arch), }; let mut dlltool_cmd = std::process::Command::new(&dlltool); - dlltool_cmd.args([ - "-d", - def_file_path.to_str().unwrap(), - "-D", - lib_name, - "-l", - output_path.to_str().unwrap(), - "-m", - dlltool_target_arch, - "-f", - dlltool_target_bitness, - "--no-leading-underscore", - "--temp-prefix", - temp_prefix.to_str().unwrap(), - ]); + dlltool_cmd + .arg("-d") + .arg(def_file_path) + .arg("-D") + .arg(lib_name) + .arg("-l") + .arg(&output_path) + .arg("-m") + .arg(dlltool_target_arch) + .arg("-f") + .arg(dlltool_target_bitness) + .arg("--no-leading-underscore") + .arg("--temp-prefix") + .arg(temp_prefix); match dlltool_cmd.output() { Err(e) => { From f6cf103da2d08c9c8598a83da1fc83391bcd1119 Mon Sep 17 00:00:00 2001 From: Tobias Bucher Date: Tue, 21 May 2024 00:36:52 +0200 Subject: [PATCH 0324/1716] Small fixes to `std::path::absolute` docs --- library/std/src/path.rs | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/library/std/src/path.rs b/library/std/src/path.rs index 79d800ff0729..f835b69f0cfb 100644 --- a/library/std/src/path.rs +++ b/library/std/src/path.rs @@ -3323,7 +3323,7 @@ impl Error for StripPrefixError { /// /// # Examples /// -/// ## Posix paths +/// ## POSIX paths /// /// ``` /// # #[cfg(unix)] @@ -3369,9 +3369,12 @@ impl Error for StripPrefixError { /// ``` /// /// For verbatim paths this will simply return the path as given. For other -/// paths this is currently equivalent to calling [`GetFullPathNameW`][windows-path] -/// This may change in the future. +/// paths this is currently equivalent to calling +/// [`GetFullPathNameW`][windows-path]. /// +/// Note that this [may change in the future][changes]. +/// +/// [changes]: io#platform-specific-behavior /// [posix-semantics]: https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap04.html#tag_04_13 /// [windows-path]: https://docs.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-getfullpathnamew #[stable(feature = "absolute_path", since = "1.79.0")] From c86a4aa5ca70ae24870c5777c7b05a77ddf17a49 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Wed, 17 Apr 2024 16:29:30 -0400 Subject: [PATCH 0325/1716] Backticks --- compiler/rustc_lint/messages.ftl | 2 +- .../iterators/into-iter-on-arrays-2018.stderr | 10 ++++---- .../iterators/into-iter-on-arrays-lint.stderr | 24 +++++++++---------- 3 files changed, 18 insertions(+), 18 deletions(-) diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index 5180fce2eb37..c717269d2010 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -3,7 +3,7 @@ lint_ambiguous_wide_pointer_comparisons = ambiguous wide pointer comparison, the .addr_suggestion = use `std::ptr::addr_eq` or untyped pointers to only compare their addresses lint_array_into_iter = - this method call resolves to `<&{$target} as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <{$target} as IntoIterator>::into_iter in Rust 2021 + this method call resolves to `<&{$target} as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<{$target} as IntoIterator>::into_iter` in Rust 2021 .use_iter_suggestion = use `.iter()` instead of `.into_iter()` to avoid ambiguity .remove_into_iter_suggestion = or remove `.into_iter()` to iterate by value .use_explicit_into_iter_suggestion = diff --git a/tests/ui/iterators/into-iter-on-arrays-2018.stderr b/tests/ui/iterators/into-iter-on-arrays-2018.stderr index 2378476e5d0e..9d6bbf06c36b 100644 --- a/tests/ui/iterators/into-iter-on-arrays-2018.stderr +++ b/tests/ui/iterators/into-iter-on-arrays-2018.stderr @@ -1,4 +1,4 @@ -warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 +warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 --> $DIR/into-iter-on-arrays-2018.rs:14:34 | LL | let _: Iter<'_, i32> = array.into_iter(); @@ -16,7 +16,7 @@ help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicit LL | let _: Iter<'_, i32> = IntoIterator::into_iter(array); | ++++++++++++++++++++++++ ~ -warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 +warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 --> $DIR/into-iter-on-arrays-2018.rs:18:44 | LL | let _: Iter<'_, i32> = Box::new(array).into_iter(); @@ -25,7 +25,7 @@ LL | let _: Iter<'_, i32> = Box::new(array).into_iter(); = warning: this changes meaning in Rust 2021 = note: for more information, see -warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 +warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 --> $DIR/into-iter-on-arrays-2018.rs:22:43 | LL | let _: Iter<'_, i32> = Rc::new(array).into_iter(); @@ -34,7 +34,7 @@ LL | let _: Iter<'_, i32> = Rc::new(array).into_iter(); = warning: this changes meaning in Rust 2021 = note: for more information, see -warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 +warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 --> $DIR/into-iter-on-arrays-2018.rs:25:41 | LL | let _: Iter<'_, i32> = Array(array).into_iter(); @@ -43,7 +43,7 @@ LL | let _: Iter<'_, i32> = Array(array).into_iter(); = warning: this changes meaning in Rust 2021 = note: for more information, see -warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 +warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 --> $DIR/into-iter-on-arrays-2018.rs:32:24 | LL | for _ in [1, 2, 3].into_iter() {} diff --git a/tests/ui/iterators/into-iter-on-arrays-lint.stderr b/tests/ui/iterators/into-iter-on-arrays-lint.stderr index 2fde276faa3d..da388d6b848d 100644 --- a/tests/ui/iterators/into-iter-on-arrays-lint.stderr +++ b/tests/ui/iterators/into-iter-on-arrays-lint.stderr @@ -1,4 +1,4 @@ -warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 +warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 --> $DIR/into-iter-on-arrays-lint.rs:11:11 | LL | small.into_iter(); @@ -16,7 +16,7 @@ help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicit LL | IntoIterator::into_iter(small); | ++++++++++++++++++++++++ ~ -warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 +warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 --> $DIR/into-iter-on-arrays-lint.rs:14:12 | LL | [1, 2].into_iter(); @@ -33,7 +33,7 @@ help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicit LL | IntoIterator::into_iter([1, 2]); | ++++++++++++++++++++++++ ~ -warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 +warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 --> $DIR/into-iter-on-arrays-lint.rs:17:9 | LL | big.into_iter(); @@ -50,7 +50,7 @@ help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicit LL | IntoIterator::into_iter(big); | ++++++++++++++++++++++++ ~ -warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 +warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 --> $DIR/into-iter-on-arrays-lint.rs:20:15 | LL | [0u8; 33].into_iter(); @@ -67,7 +67,7 @@ help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicit LL | IntoIterator::into_iter([0u8; 33]); | ++++++++++++++++++++++++ ~ -warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 +warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 --> $DIR/into-iter-on-arrays-lint.rs:24:21 | LL | Box::new(small).into_iter(); @@ -76,7 +76,7 @@ LL | Box::new(small).into_iter(); = warning: this changes meaning in Rust 2021 = note: for more information, see -warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 +warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 --> $DIR/into-iter-on-arrays-lint.rs:27:22 | LL | Box::new([1, 2]).into_iter(); @@ -85,7 +85,7 @@ LL | Box::new([1, 2]).into_iter(); = warning: this changes meaning in Rust 2021 = note: for more information, see -warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 +warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 --> $DIR/into-iter-on-arrays-lint.rs:30:19 | LL | Box::new(big).into_iter(); @@ -94,7 +94,7 @@ LL | Box::new(big).into_iter(); = warning: this changes meaning in Rust 2021 = note: for more information, see -warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 +warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 --> $DIR/into-iter-on-arrays-lint.rs:33:25 | LL | Box::new([0u8; 33]).into_iter(); @@ -103,7 +103,7 @@ LL | Box::new([0u8; 33]).into_iter(); = warning: this changes meaning in Rust 2021 = note: for more information, see -warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 +warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 --> $DIR/into-iter-on-arrays-lint.rs:37:31 | LL | Box::new(Box::new(small)).into_iter(); @@ -112,7 +112,7 @@ LL | Box::new(Box::new(small)).into_iter(); = warning: this changes meaning in Rust 2021 = note: for more information, see -warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 +warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 --> $DIR/into-iter-on-arrays-lint.rs:40:32 | LL | Box::new(Box::new([1, 2])).into_iter(); @@ -121,7 +121,7 @@ LL | Box::new(Box::new([1, 2])).into_iter(); = warning: this changes meaning in Rust 2021 = note: for more information, see -warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 +warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 --> $DIR/into-iter-on-arrays-lint.rs:43:29 | LL | Box::new(Box::new(big)).into_iter(); @@ -130,7 +130,7 @@ LL | Box::new(Box::new(big)).into_iter(); = warning: this changes meaning in Rust 2021 = note: for more information, see -warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 +warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 --> $DIR/into-iter-on-arrays-lint.rs:46:35 | LL | Box::new(Box::new([0u8; 33])).into_iter(); From 1a8109253196064e26a427d9184874ae14c55f6e Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Wed, 17 Apr 2024 16:35:48 -0400 Subject: [PATCH 0326/1716] Add the impls for Box<[T]>: IntoIterator Co-authored-by: ltdk --- library/alloc/src/boxed.rs | 86 ++++++++++++++++++++++++++++++++++ library/core/src/slice/iter.rs | 3 ++ 2 files changed, 89 insertions(+) diff --git a/library/alloc/src/boxed.rs b/library/alloc/src/boxed.rs index f1a6df94e117..21d005030017 100644 --- a/library/alloc/src/boxed.rs +++ b/library/alloc/src/boxed.rs @@ -135,6 +135,45 @@ //! is not allowed. For more guidance on working with box from unsafe code, see //! [rust-lang/unsafe-code-guidelines#326][ucg#326]. //! +//! # Editions +//! +//! A special case exists for the implementation of `IntoIterator` for arrays on the Rust 2021 +//! edition, as documented [here][array]. Unfortunately, it was later found that a similar +//! workaround should be added for boxed slices, and this was applied in the 2024 edition. +//! +//! Specifically, `IntoIterator` is implemented for `Box<[T]>` on all editions, but specific calls +//! to `into_iter()` for boxed slices will defer to the slice implementation on editions before +//! 2024: +//! +#![cfg_attr(bootstrap, doc = "```rust,edition2021,ignore")] +#![cfg_attr(not(bootstrap), doc = "```rust,edition2021")] +//! // Rust 2015, 2018, and 2021: +//! +//! # #![allow(boxed_slice_into_iter)] // override our `deny(warnings)` +//! let boxed_slice: Box<[i32]> = vec![0; 3].into_boxed_slice(); +//! +//! // This creates a slice iterator, producing references to each value. +//! for item in boxed_slice.into_iter().enumerate() { +//! let (i, x): (usize, &i32) = item; +//! println!("boxed_slice[{i}] = {x}"); +//! } +//! +//! // The `boxed_slice_into_iter` lint suggests this change for future compatibility: +//! for item in boxed_slice.iter().enumerate() { +//! let (i, x): (usize, &i32) = item; +//! println!("boxed_slice[{i}] = {x}"); +//! } +//! +//! // You can explicitly iterate a boxed slice by value using `IntoIterator::into_iter` +//! for item in IntoIterator::into_iter(boxed_slice).enumerate() { +//! let (i, x): (usize, i32) = item; +//! println!("boxed_slice[{i}] = {x}"); +//! } +//! ``` +//! +//! Similar to the array implementation, this may be modified in the future to remove this override, +//! and it's best to avoid relying on this edition-dependent behavior if you wish to preserve +//! compatibility with future versions of the compiler. //! //! [ucg#198]: https://github.com/rust-lang/unsafe-code-guidelines/issues/198 //! [ucg#326]: https://github.com/rust-lang/unsafe-code-guidelines/issues/326 @@ -165,6 +204,7 @@ use core::ops::{ }; use core::pin::Pin; use core::ptr::{self, addr_of_mut, NonNull, Unique}; +use core::slice; use core::task::{Context, Poll}; #[cfg(not(no_global_oom_handling))] @@ -177,6 +217,7 @@ use crate::raw_vec::RawVec; use crate::str::from_boxed_utf8_unchecked; #[cfg(not(no_global_oom_handling))] use crate::string::String; +use crate::vec; #[cfg(not(no_global_oom_handling))] use crate::vec::Vec; @@ -2080,6 +2121,51 @@ impl FromIterator for Box<[I]> { } } +/// This implementation is required to make sure that the `Box<[I]>: IntoIterator` +/// implementation doesn't overlap with `IntoIterator for T where T: Iterator` blanket. +#[stable(feature = "boxed_slice_into_iter", since = "CURRENT_RUSTC_VERSION")] +impl !Iterator for Box<[I], A> {} + +/// This implementation is required to make sure that the `&Box<[I]>: IntoIterator` +/// implementation doesn't overlap with `IntoIterator for T where T: Iterator` blanket. +#[stable(feature = "boxed_slice_into_iter", since = "CURRENT_RUSTC_VERSION")] +impl<'a, I, A: Allocator> !Iterator for &'a Box<[I], A> {} + +/// This implementation is required to make sure that the `&mut Box<[I]>: IntoIterator` +/// implementation doesn't overlap with `IntoIterator for T where T: Iterator` blanket. +#[stable(feature = "boxed_slice_into_iter", since = "CURRENT_RUSTC_VERSION")] +impl<'a, I, A: Allocator> !Iterator for &'a mut Box<[I], A> {} + +// Note: the `#[rustc_skip_during_method_dispatch(boxed_slice)]` on `trait IntoIterator` +// hides this implementation from explicit `.into_iter()` calls on editions < 2024, +// so those calls will still resolve to the slice implementation, by reference. +#[stable(feature = "boxed_slice_into_iter", since = "CURRENT_RUSTC_VERSION")] +impl IntoIterator for Box<[I], A> { + type IntoIter = vec::IntoIter; + type Item = I; + fn into_iter(self) -> vec::IntoIter { + self.into_vec().into_iter() + } +} + +#[stable(feature = "boxed_slice_into_iter", since = "CURRENT_RUSTC_VERSION")] +impl<'a, I, A: Allocator> IntoIterator for &'a Box<[I], A> { + type IntoIter = slice::Iter<'a, I>; + type Item = &'a I; + fn into_iter(self) -> slice::Iter<'a, I> { + self.iter() + } +} + +#[stable(feature = "boxed_slice_into_iter", since = "CURRENT_RUSTC_VERSION")] +impl<'a, I, A: Allocator> IntoIterator for &'a mut Box<[I], A> { + type IntoIter = slice::IterMut<'a, I>; + type Item = &'a mut I; + fn into_iter(self) -> slice::IterMut<'a, I> { + self.iter_mut() + } +} + #[cfg(not(no_global_oom_handling))] #[stable(feature = "boxed_str_from_iter", since = "CURRENT_RUSTC_VERSION")] impl FromIterator for Box { diff --git a/library/core/src/slice/iter.rs b/library/core/src/slice/iter.rs index d7d4f90c1a53..96fc87ab2e9e 100644 --- a/library/core/src/slice/iter.rs +++ b/library/core/src/slice/iter.rs @@ -16,6 +16,9 @@ use crate::ptr::{self, without_provenance, without_provenance_mut, NonNull}; use super::{from_raw_parts, from_raw_parts_mut}; +#[stable(feature = "boxed_slice_into_iter", since = "CURRENT_RUSTC_VERSION")] +impl !Iterator for [T] {} + #[stable(feature = "rust1", since = "1.0.0")] impl<'a, T> IntoIterator for &'a [T] { type Item = &'a T; From a502e7ac1d7d117daea302717c012edf3243f361 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Wed, 17 Apr 2024 16:32:17 -0400 Subject: [PATCH 0327/1716] Implement BOXED_SLICE_INTO_ITER --- compiler/rustc_ast/src/ptr.rs | 2 +- compiler/rustc_feature/src/builtin_attrs.rs | 9 +- compiler/rustc_hir_analysis/src/collect.rs | 21 ++- compiler/rustc_hir_typeck/src/method/probe.rs | 12 ++ compiler/rustc_lint/messages.ftl | 14 +- compiler/rustc_lint/src/array_into_iter.rs | 144 ---------------- compiler/rustc_lint/src/lib.rs | 8 +- compiler/rustc_lint/src/lints.rs | 11 +- compiler/rustc_lint/src/shadowed_into_iter.rs | 157 ++++++++++++++++++ compiler/rustc_middle/src/ty/trait_def.rs | 7 +- .../rustc_smir/src/rustc_smir/convert/ty.rs | 1 + compiler/rustc_span/src/symbol.rs | 2 +- compiler/stable_mir/src/ty.rs | 1 + library/core/src/array/iter.rs | 2 +- library/core/src/iter/traits/collect.rs | 3 +- .../into-iter-on-boxed-slices-2021.rs | 46 +++++ .../into-iter-on-boxed-slices-2021.stderr | 60 +++++++ .../into-iter-on-boxed-slices-2024.rs | 20 +++ .../into-iter-on-boxed-slices-lint.fixed | 30 ++++ .../into-iter-on-boxed-slices-lint.rs | 30 ++++ .../into-iter-on-boxed-slices-lint.stderr | 35 ++++ .../method-on-unbounded-type-param.stderr | 4 +- 22 files changed, 446 insertions(+), 173 deletions(-) delete mode 100644 compiler/rustc_lint/src/array_into_iter.rs create mode 100644 compiler/rustc_lint/src/shadowed_into_iter.rs create mode 100644 tests/ui/iterators/into-iter-on-boxed-slices-2021.rs create mode 100644 tests/ui/iterators/into-iter-on-boxed-slices-2021.stderr create mode 100644 tests/ui/iterators/into-iter-on-boxed-slices-2024.rs create mode 100644 tests/ui/iterators/into-iter-on-boxed-slices-lint.fixed create mode 100644 tests/ui/iterators/into-iter-on-boxed-slices-lint.rs create mode 100644 tests/ui/iterators/into-iter-on-boxed-slices-lint.stderr diff --git a/compiler/rustc_ast/src/ptr.rs b/compiler/rustc_ast/src/ptr.rs index e22a523dbc3e..34c539ea16b4 100644 --- a/compiler/rustc_ast/src/ptr.rs +++ b/compiler/rustc_ast/src/ptr.rs @@ -184,7 +184,7 @@ impl<'a, T> IntoIterator for &'a P<[T]> { type Item = &'a T; type IntoIter = slice::Iter<'a, T>; fn into_iter(self) -> Self::IntoIter { - self.ptr.into_iter() + self.ptr.iter() } } diff --git a/compiler/rustc_feature/src/builtin_attrs.rs b/compiler/rustc_feature/src/builtin_attrs.rs index dbb88e42a3eb..ebaa9f8d9500 100644 --- a/compiler/rustc_feature/src/builtin_attrs.rs +++ b/compiler/rustc_feature/src/builtin_attrs.rs @@ -899,10 +899,11 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ "the `#[rustc_main]` attribute is used internally to specify test entry point function", ), rustc_attr!( - rustc_skip_array_during_method_dispatch, Normal, template!(Word), - WarnFollowing, EncodeCrossCrate::No, - "the `#[rustc_skip_array_during_method_dispatch]` attribute is used to exclude a trait \ - from method dispatch when the receiver is an array, for compatibility in editions < 2021." + rustc_skip_during_method_dispatch, Normal, template!(List: "array, boxed_slice"), WarnFollowing, + EncodeCrossCrate::No, + "the `#[rustc_skip_during_method_dispatch]` attribute is used to exclude a trait \ + from method dispatch when the receiver is of the following type, for compatibility in \ + editions < 2021 (array) or editions < 2024 (boxed_slice)." ), rustc_attr!( rustc_must_implement_one_of, Normal, template!(List: "function1, function2, ..."), diff --git a/compiler/rustc_hir_analysis/src/collect.rs b/compiler/rustc_hir_analysis/src/collect.rs index aa28b2c8e2cf..b760b86a7bfb 100644 --- a/compiler/rustc_hir_analysis/src/collect.rs +++ b/compiler/rustc_hir_analysis/src/collect.rs @@ -1117,8 +1117,24 @@ fn trait_def(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::TraitDef { let is_marker = tcx.has_attr(def_id, sym::marker); let rustc_coinductive = tcx.has_attr(def_id, sym::rustc_coinductive); - let skip_array_during_method_dispatch = - tcx.has_attr(def_id, sym::rustc_skip_array_during_method_dispatch); + + // FIXME: We could probably do way better attribute validation here. + let mut skip_array_during_method_dispatch = false; + let mut skip_boxed_slice_during_method_dispatch = false; + for attr in tcx.get_attrs(def_id, sym::rustc_skip_during_method_dispatch) { + if let Some(lst) = attr.meta_item_list() { + for item in lst { + if let Some(ident) = item.ident() { + match ident.as_str() { + "array" => skip_array_during_method_dispatch = true, + "boxed_slice" => skip_boxed_slice_during_method_dispatch = true, + _ => (), + } + } + } + } + } + let specialization_kind = if tcx.has_attr(def_id, sym::rustc_unsafe_specialization_marker) { ty::trait_def::TraitSpecializationKind::Marker } else if tcx.has_attr(def_id, sym::rustc_specialization_trait) { @@ -1253,6 +1269,7 @@ fn trait_def(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::TraitDef { is_marker, is_coinductive: rustc_coinductive || is_auto, skip_array_during_method_dispatch, + skip_boxed_slice_during_method_dispatch, specialization_kind, must_implement_one_of, implement_via_object, diff --git a/compiler/rustc_hir_typeck/src/method/probe.rs b/compiler/rustc_hir_typeck/src/method/probe.rs index 60a63d72d40d..e0a60337c3ba 100644 --- a/compiler/rustc_hir_typeck/src/method/probe.rs +++ b/compiler/rustc_hir_typeck/src/method/probe.rs @@ -1444,6 +1444,18 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { return ProbeResult::NoMatch; } } + + // Some trait methods are excluded for boxed slices before 2024. + // (`boxed_slice.into_iter()` wants a slice iterator for compatibility.) + if self_ty.is_box() + && self_ty.boxed_ty().is_slice() + && !method_name.span.at_least_rust_2024() + { + let trait_def = self.tcx.trait_def(poly_trait_ref.def_id()); + if trait_def.skip_boxed_slice_during_method_dispatch { + return ProbeResult::NoMatch; + } + } } let trait_ref = self.instantiate_binder_with_fresh_vars( diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index c717269d2010..cf9d089ff626 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -2,13 +2,6 @@ lint_ambiguous_wide_pointer_comparisons = ambiguous wide pointer comparison, the .addr_metadata_suggestion = use explicit `std::ptr::eq` method to compare metadata and addresses .addr_suggestion = use `std::ptr::addr_eq` or untyped pointers to only compare their addresses -lint_array_into_iter = - this method call resolves to `<&{$target} as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<{$target} as IntoIterator>::into_iter` in Rust 2021 - .use_iter_suggestion = use `.iter()` instead of `.into_iter()` to avoid ambiguity - .remove_into_iter_suggestion = or remove `.into_iter()` to iterate by value - .use_explicit_into_iter_suggestion = - or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value - lint_async_fn_in_trait = use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified .note = you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future` .suggestion = you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change @@ -565,6 +558,13 @@ lint_renamed_lint = lint `{$name}` has been renamed to `{$replace}` lint_requested_level = requested on the command line with `{$level} {$lint_name}` +lint_shadowed_into_iter = + this method call resolves to `<&{$target} as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<{$target} as IntoIterator>::into_iter` in Rust {$edition} + .use_iter_suggestion = use `.iter()` instead of `.into_iter()` to avoid ambiguity + .remove_into_iter_suggestion = or remove `.into_iter()` to iterate by value + .use_explicit_into_iter_suggestion = + or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value + lint_span_use_eq_ctxt = use `.eq_ctxt()` instead of `.ctxt() == .ctxt()` lint_supertrait_as_deref_target = this `Deref` implementation is covered by an implicit supertrait coercion diff --git a/compiler/rustc_lint/src/array_into_iter.rs b/compiler/rustc_lint/src/array_into_iter.rs deleted file mode 100644 index 8f4bae339573..000000000000 --- a/compiler/rustc_lint/src/array_into_iter.rs +++ /dev/null @@ -1,144 +0,0 @@ -use crate::{ - lints::{ArrayIntoIterDiag, ArrayIntoIterDiagSub}, - LateContext, LateLintPass, LintContext, -}; -use rustc_hir as hir; -use rustc_middle::bug; -use rustc_middle::ty; -use rustc_middle::ty::adjustment::{Adjust, Adjustment}; -use rustc_session::lint::FutureIncompatibilityReason; -use rustc_session::{declare_lint, impl_lint_pass}; -use rustc_span::edition::Edition; -use rustc_span::symbol::sym; -use rustc_span::Span; - -declare_lint! { - /// The `array_into_iter` lint detects calling `into_iter` on arrays. - /// - /// ### Example - /// - /// ```rust,edition2018 - /// # #![allow(unused)] - /// [1, 2, 3].into_iter().for_each(|n| { *n; }); - /// ``` - /// - /// {{produces}} - /// - /// ### Explanation - /// - /// Since Rust 1.53, arrays implement `IntoIterator`. However, to avoid - /// breakage, `array.into_iter()` in Rust 2015 and 2018 code will still - /// behave as `(&array).into_iter()`, returning an iterator over - /// references, just like in Rust 1.52 and earlier. - /// This only applies to the method call syntax `array.into_iter()`, not to - /// any other syntax such as `for _ in array` or `IntoIterator::into_iter(array)`. - pub ARRAY_INTO_ITER, - Warn, - "detects calling `into_iter` on arrays in Rust 2015 and 2018", - @future_incompatible = FutureIncompatibleInfo { - reason: FutureIncompatibilityReason::EditionSemanticsChange(Edition::Edition2021), - reference: "", - }; -} - -#[derive(Copy, Clone, Default)] -pub struct ArrayIntoIter { - for_expr_span: Span, -} - -impl_lint_pass!(ArrayIntoIter => [ARRAY_INTO_ITER]); - -impl<'tcx> LateLintPass<'tcx> for ArrayIntoIter { - fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'tcx>) { - // Save the span of expressions in `for _ in expr` syntax, - // so we can give a better suggestion for those later. - if let hir::ExprKind::Match(arg, [_], hir::MatchSource::ForLoopDesugar) = &expr.kind { - if let hir::ExprKind::Call(path, [arg]) = &arg.kind { - if let hir::ExprKind::Path(hir::QPath::LangItem( - hir::LangItem::IntoIterIntoIter, - .., - )) = &path.kind - { - self.for_expr_span = arg.span; - } - } - } - - // We only care about method call expressions. - if let hir::ExprKind::MethodCall(call, receiver_arg, ..) = &expr.kind { - if call.ident.name != sym::into_iter { - return; - } - - // Check if the method call actually calls the libcore - // `IntoIterator::into_iter`. - let def_id = cx.typeck_results().type_dependent_def_id(expr.hir_id).unwrap(); - match cx.tcx.trait_of_item(def_id) { - Some(trait_id) if cx.tcx.is_diagnostic_item(sym::IntoIterator, trait_id) => {} - _ => return, - }; - - // As this is a method call expression, we have at least one argument. - let receiver_ty = cx.typeck_results().expr_ty(receiver_arg); - let adjustments = cx.typeck_results().expr_adjustments(receiver_arg); - - let Some(Adjustment { kind: Adjust::Borrow(_), target }) = adjustments.last() else { - return; - }; - - let types = - std::iter::once(receiver_ty).chain(adjustments.iter().map(|adj| adj.target)); - - let mut found_array = false; - - for ty in types { - match ty.kind() { - // If we run into a &[T; N] or &[T] first, there's nothing to warn about. - // It'll resolve to the reference version. - ty::Ref(_, inner_ty, _) if inner_ty.is_array() => return, - ty::Ref(_, inner_ty, _) if matches!(inner_ty.kind(), ty::Slice(..)) => return, - // Found an actual array type without matching a &[T; N] first. - // This is the problematic case. - ty::Array(..) => { - found_array = true; - break; - } - _ => {} - } - } - - if !found_array { - return; - } - - // Emit lint diagnostic. - let target = match *target.kind() { - ty::Ref(_, inner_ty, _) if inner_ty.is_array() => "[T; N]", - ty::Ref(_, inner_ty, _) if matches!(inner_ty.kind(), ty::Slice(..)) => "[T]", - // We know the original first argument type is an array type, - // we know that the first adjustment was an autoref coercion - // and we know that `IntoIterator` is the trait involved. The - // array cannot be coerced to something other than a reference - // to an array or to a slice. - _ => bug!("array type coerced to something other than array or slice"), - }; - let sub = if self.for_expr_span == expr.span { - Some(ArrayIntoIterDiagSub::RemoveIntoIter { - span: receiver_arg.span.shrink_to_hi().to(expr.span.shrink_to_hi()), - }) - } else if receiver_ty.is_array() { - Some(ArrayIntoIterDiagSub::UseExplicitIntoIter { - start_span: expr.span.shrink_to_lo(), - end_span: receiver_arg.span.shrink_to_hi().to(expr.span.shrink_to_hi()), - }) - } else { - None - }; - cx.emit_span_lint( - ARRAY_INTO_ITER, - call.ident.span, - ArrayIntoIterDiag { target, suggestion: call.ident.span, sub }, - ); - } - } -} diff --git a/compiler/rustc_lint/src/lib.rs b/compiler/rustc_lint/src/lib.rs index d93edadcfbcc..10c2557baa7d 100644 --- a/compiler/rustc_lint/src/lib.rs +++ b/compiler/rustc_lint/src/lib.rs @@ -42,7 +42,6 @@ #[macro_use] extern crate tracing; -mod array_into_iter; mod async_fn_in_trait; pub mod builtin; mod context; @@ -76,18 +75,18 @@ mod passes; mod ptr_nulls; mod redundant_semicolon; mod reference_casting; +mod shadowed_into_iter; mod traits; mod types; mod unit_bindings; mod unused; -pub use array_into_iter::ARRAY_INTO_ITER; +pub use shadowed_into_iter::ARRAY_INTO_ITER; use rustc_hir::def_id::LocalModDefId; use rustc_middle::query::Providers; use rustc_middle::ty::TyCtxt; -use array_into_iter::ArrayIntoIter; use async_fn_in_trait::AsyncFnInTrait; use builtin::*; use deref_into_dyn_supertrait::*; @@ -112,6 +111,7 @@ use pass_by_value::*; use ptr_nulls::*; use redundant_semicolon::*; use reference_casting::*; +use shadowed_into_iter::ShadowedIntoIter; use traits::*; use types::*; use unit_bindings::*; @@ -215,7 +215,7 @@ late_lint_methods!( DerefNullPtr: DerefNullPtr, UnstableFeatures: UnstableFeatures, UngatedAsyncFnTrackCaller: UngatedAsyncFnTrackCaller, - ArrayIntoIter: ArrayIntoIter::default(), + ShadowedIntoIter: ShadowedIntoIter, DropTraitConstraints: DropTraitConstraints, TemporaryCStringAsPtr: TemporaryCStringAsPtr, NonPanicFmt: NonPanicFmt, diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index 7efa5245baa2..bc0c8cf85d8a 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -22,17 +22,18 @@ use crate::{ // array_into_iter.rs #[derive(LintDiagnostic)] -#[diag(lint_array_into_iter)] -pub struct ArrayIntoIterDiag<'a> { - pub target: &'a str, +#[diag(lint_shadowed_into_iter)] +pub struct ShadowedIntoIterDiag { + pub target: &'static str, + pub edition: &'static str, #[suggestion(lint_use_iter_suggestion, code = "iter", applicability = "machine-applicable")] pub suggestion: Span, #[subdiagnostic] - pub sub: Option, + pub sub: Option, } #[derive(Subdiagnostic)] -pub enum ArrayIntoIterDiagSub { +pub enum ShadowedIntoIterDiagSub { #[suggestion(lint_remove_into_iter_suggestion, code = "", applicability = "maybe-incorrect")] RemoveIntoIter { #[primary_span] diff --git a/compiler/rustc_lint/src/shadowed_into_iter.rs b/compiler/rustc_lint/src/shadowed_into_iter.rs new file mode 100644 index 000000000000..41ec84faa783 --- /dev/null +++ b/compiler/rustc_lint/src/shadowed_into_iter.rs @@ -0,0 +1,157 @@ +use crate::lints::{ShadowedIntoIterDiag, ShadowedIntoIterDiagSub}; +use crate::{LateContext, LateLintPass, LintContext}; +use rustc_hir as hir; +use rustc_middle::ty::{self, Ty}; +use rustc_session::lint::FutureIncompatibilityReason; +use rustc_session::{declare_lint, impl_lint_pass}; +use rustc_span::edition::Edition; + +declare_lint! { + /// The `array_into_iter` lint detects calling `into_iter` on arrays. + /// + /// ### Example + /// + /// ```rust,edition2018 + /// # #![allow(unused)] + /// [1, 2, 3].into_iter().for_each(|n| { *n; }); + /// ``` + /// + /// {{produces}} + /// + /// ### Explanation + /// + /// Since Rust 1.53, arrays implement `IntoIterator`. However, to avoid + /// breakage, `array.into_iter()` in Rust 2015 and 2018 code will still + /// behave as `(&array).into_iter()`, returning an iterator over + /// references, just like in Rust 1.52 and earlier. + /// This only applies to the method call syntax `array.into_iter()`, not to + /// any other syntax such as `for _ in array` or `IntoIterator::into_iter(array)`. + pub ARRAY_INTO_ITER, + Warn, + "detects calling `into_iter` on arrays in Rust 2015 and 2018", + @future_incompatible = FutureIncompatibleInfo { + reason: FutureIncompatibilityReason::EditionSemanticsChange(Edition::Edition2021), + reference: "", + }; +} + +declare_lint! { + /// The `boxed_slice_into_iter` lint detects calling `into_iter` on boxed slices. + /// + /// ### Example + /// + /// ```rust,edition2021 + /// # #![allow(unused)] + /// vec![1, 2, 3].into_boxed_slice().into_iter().for_each(|n| { *n; }); + /// ``` + /// + /// {{produces}} + /// + /// ### Explanation + /// + /// Since Rust CURRENT_RUSTC_VERSION, boxed slices implement `IntoIterator`. However, to avoid + /// breakage, `boxed_slice.into_iter()` in Rust 2015, 2018, and 2021 code will still + /// behave as `(&boxed_slice).into_iter()`, returning an iterator over + /// references, just like in Rust CURRENT_RUSTC_VERSION and earlier. + /// This only applies to the method call syntax `boxed_slice.into_iter()`, not to + /// any other syntax such as `for _ in boxed_slice` or `IntoIterator::into_iter(boxed_slice)`. + pub BOXED_SLICE_INTO_ITER, + Warn, + "detects calling `into_iter` on boxed slices in Rust 2015, 2018, and 2021", + @future_incompatible = FutureIncompatibleInfo { + reason: FutureIncompatibilityReason::EditionSemanticsChange(Edition::Edition2024), + }; +} + +#[derive(Copy, Clone)] +pub struct ShadowedIntoIter; + +impl_lint_pass!(ShadowedIntoIter => [ARRAY_INTO_ITER, BOXED_SLICE_INTO_ITER]); + +impl<'tcx> LateLintPass<'tcx> for ShadowedIntoIter { + fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'tcx>) { + let hir::ExprKind::MethodCall(call, receiver_arg, ..) = &expr.kind else { + return; + }; + + // Check if the method call actually calls the libcore + // `IntoIterator::into_iter`. + let Some(method_def_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id) else { + return; + }; + if Some(method_def_id) != cx.tcx.lang_items().into_iter_fn() { + return; + } + + // As this is a method call expression, we have at least one argument. + let receiver_ty = cx.typeck_results().expr_ty(receiver_arg); + let adjustments = cx.typeck_results().expr_adjustments(receiver_arg); + + let adjusted_receiver_tys: Vec<_> = + [receiver_ty].into_iter().chain(adjustments.iter().map(|adj| adj.target)).collect(); + + fn is_ref_to_array(ty: Ty<'_>) -> bool { + if let ty::Ref(_, pointee_ty, _) = *ty.kind() { pointee_ty.is_array() } else { false } + } + fn is_boxed_slice(ty: Ty<'_>) -> bool { + ty.is_box() && ty.boxed_ty().is_slice() + } + fn is_ref_to_boxed_slice(ty: Ty<'_>) -> bool { + if let ty::Ref(_, pointee_ty, _) = *ty.kind() { + is_boxed_slice(pointee_ty) + } else { + false + } + } + + let (lint, target, edition, can_suggest_ufcs) = + if is_ref_to_array(*adjusted_receiver_tys.last().unwrap()) + && let Some(idx) = adjusted_receiver_tys + .iter() + .copied() + .take_while(|ty| !is_ref_to_array(*ty)) + .position(|ty| ty.is_array()) + { + (ARRAY_INTO_ITER, "[T; N]", "2021", idx == 0) + } else if is_ref_to_boxed_slice(*adjusted_receiver_tys.last().unwrap()) + && let Some(idx) = adjusted_receiver_tys + .iter() + .copied() + .take_while(|ty| !is_ref_to_boxed_slice(*ty)) + .position(|ty| is_boxed_slice(ty)) + { + (BOXED_SLICE_INTO_ITER, "Box<[T]>", "2024", idx == 0) + } else { + return; + }; + + // If this expression comes from the `IntoIter::into_iter` inside of a for loop, + // we should just suggest removing the `.into_iter()` or changing it to `.iter()` + // to disambiguate if we want to iterate by-value or by-ref. + let sub = if let Some((_, hir::Node::Expr(parent_expr))) = + cx.tcx.hir().parent_iter(expr.hir_id).nth(1) + && let hir::ExprKind::Match(arg, [_], hir::MatchSource::ForLoopDesugar) = + &parent_expr.kind + && let hir::ExprKind::Call(path, [_]) = &arg.kind + && let hir::ExprKind::Path(hir::QPath::LangItem(hir::LangItem::IntoIterIntoIter, ..)) = + &path.kind + { + Some(ShadowedIntoIterDiagSub::RemoveIntoIter { + span: receiver_arg.span.shrink_to_hi().to(expr.span.shrink_to_hi()), + }) + } else if can_suggest_ufcs { + Some(ShadowedIntoIterDiagSub::UseExplicitIntoIter { + start_span: expr.span.shrink_to_lo(), + end_span: receiver_arg.span.shrink_to_hi().to(expr.span.shrink_to_hi()), + }) + } else { + None + }; + + cx.emit_span_lint( + lint, + call.ident.span, + ShadowedIntoIterDiag { target, edition, suggestion: call.ident.span, sub }, + ); + } +} diff --git a/compiler/rustc_middle/src/ty/trait_def.rs b/compiler/rustc_middle/src/ty/trait_def.rs index c5b3de17bcb3..cf1cbb934105 100644 --- a/compiler/rustc_middle/src/ty/trait_def.rs +++ b/compiler/rustc_middle/src/ty/trait_def.rs @@ -39,11 +39,16 @@ pub struct TraitDef { /// also have already switched to the new trait solver. pub is_coinductive: bool, - /// If `true`, then this trait has the `#[rustc_skip_array_during_method_dispatch]` + /// If `true`, then this trait has the `#[rustc_skip_during_method_dispatch(array)]` /// attribute, indicating that editions before 2021 should not consider this trait /// during method dispatch if the receiver is an array. pub skip_array_during_method_dispatch: bool, + /// If `true`, then this trait has the `#[rustc_skip_during_method_dispatch(boxed_slice)]` + /// attribute, indicating that editions before 2024 should not consider this trait + /// during method dispatch if the receiver is a boxed slice. + pub skip_boxed_slice_during_method_dispatch: bool, + /// Used to determine whether the standard library is allowed to specialize /// on this trait. pub specialization_kind: TraitSpecializationKind, diff --git a/compiler/rustc_smir/src/rustc_smir/convert/ty.rs b/compiler/rustc_smir/src/rustc_smir/convert/ty.rs index d59318be7200..15447983abbc 100644 --- a/compiler/rustc_smir/src/rustc_smir/convert/ty.rs +++ b/compiler/rustc_smir/src/rustc_smir/convert/ty.rs @@ -505,6 +505,7 @@ impl<'tcx> Stable<'tcx> for ty::TraitDef { is_marker: self.is_marker, is_coinductive: self.is_coinductive, skip_array_during_method_dispatch: self.skip_array_during_method_dispatch, + skip_boxed_slice_during_method_dispatch: self.skip_boxed_slice_during_method_dispatch, specialization_kind: self.specialization_kind.stable(tables), must_implement_one_of: self .must_implement_one_of diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index e453c03e7ce1..1869daf7e120 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -1633,7 +1633,7 @@ symbols! { rustc_reservation_impl, rustc_safe_intrinsic, rustc_serialize, - rustc_skip_array_during_method_dispatch, + rustc_skip_during_method_dispatch, rustc_specialization_trait, rustc_std_internal_symbol, rustc_strict_coherence, diff --git a/compiler/stable_mir/src/ty.rs b/compiler/stable_mir/src/ty.rs index 759e3f166bda..321c56b623a2 100644 --- a/compiler/stable_mir/src/ty.rs +++ b/compiler/stable_mir/src/ty.rs @@ -1205,6 +1205,7 @@ pub struct TraitDecl { pub is_marker: bool, pub is_coinductive: bool, pub skip_array_during_method_dispatch: bool, + pub skip_boxed_slice_during_method_dispatch: bool, pub specialization_kind: TraitSpecializationKind, pub must_implement_one_of: Option>, pub implement_via_object: bool, diff --git a/library/core/src/array/iter.rs b/library/core/src/array/iter.rs index e3d2cd2a31fb..b314d0536a35 100644 --- a/library/core/src/array/iter.rs +++ b/library/core/src/array/iter.rs @@ -38,7 +38,7 @@ pub struct IntoIter { alive: IndexRange, } -// Note: the `#[rustc_skip_array_during_method_dispatch]` on `trait IntoIterator` +// Note: the `#[rustc_skip_during_method_dispatch(array)]` on `trait IntoIterator` // hides this implementation from explicit `.into_iter()` calls on editions < 2021, // so those calls will still resolve to the slice implementation, by reference. #[stable(feature = "array_into_iter_impl", since = "1.53.0")] diff --git a/library/core/src/iter/traits/collect.rs b/library/core/src/iter/traits/collect.rs index 563781230c02..d9d860c7b6cb 100644 --- a/library/core/src/iter/traits/collect.rs +++ b/library/core/src/iter/traits/collect.rs @@ -268,7 +268,6 @@ where /// } /// ``` #[rustc_diagnostic_item = "IntoIterator"] -#[rustc_skip_array_during_method_dispatch] #[rustc_on_unimplemented( on( _Self = "core::ops::range::RangeTo", @@ -312,6 +311,8 @@ where label = "`{Self}` is not an iterator", message = "`{Self}` is not an iterator" )] +#[cfg_attr(bootstrap, rustc_skip_array_during_method_dispatch)] +#[cfg_attr(not(bootstrap), rustc_skip_during_method_dispatch(array, boxed_slice))] #[stable(feature = "rust1", since = "1.0.0")] pub trait IntoIterator { /// The type of the elements being iterated over. diff --git a/tests/ui/iterators/into-iter-on-boxed-slices-2021.rs b/tests/ui/iterators/into-iter-on-boxed-slices-2021.rs new file mode 100644 index 000000000000..3d9d131e59c2 --- /dev/null +++ b/tests/ui/iterators/into-iter-on-boxed-slices-2021.rs @@ -0,0 +1,46 @@ +//@ check-pass +//@ edition:2018 + +use std::ops::Deref; +use std::rc::Rc; +use std::slice::Iter; +use std::vec::IntoIter; + +fn main() { + let boxed_slice = vec![0; 10].into_boxed_slice(); + + // Before 2024, the method dispatched to `IntoIterator for Box<[T]>`, + // which we continue to support for compatibility. + let _: Iter<'_, i32> = boxed_slice.into_iter(); + //~^ WARNING this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` + //~| WARNING this changes meaning + + let _: Iter<'_, i32> = Box::new(boxed_slice.clone()).into_iter(); + //~^ WARNING this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` + //~| WARNING this changes meaning + + let _: Iter<'_, i32> = Rc::new(boxed_slice.clone()).into_iter(); + //~^ WARNING this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` + //~| WARNING this changes meaning + let _: Iter<'_, i32> = Array(boxed_slice.clone()).into_iter(); + //~^ WARNING this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` + //~| WARNING this changes meaning + + // But you can always use the trait method explicitly as an boxed_slice. + let _: IntoIter = IntoIterator::into_iter(boxed_slice); + + for _ in (Box::new([1, 2, 3]) as Box<[_]>).into_iter() {} + //~^ WARNING this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` + //~| WARNING this changes meaning +} + +/// User type that dereferences to a boxed slice. +struct Array(Box<[i32]>); + +impl Deref for Array { + type Target = Box<[i32]>; + + fn deref(&self) -> &Self::Target { + &self.0 + } +} diff --git a/tests/ui/iterators/into-iter-on-boxed-slices-2021.stderr b/tests/ui/iterators/into-iter-on-boxed-slices-2021.stderr new file mode 100644 index 000000000000..d7f38a23725b --- /dev/null +++ b/tests/ui/iterators/into-iter-on-boxed-slices-2021.stderr @@ -0,0 +1,60 @@ +warning: this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to ` as IntoIterator>::into_iter` in Rust 2024 + --> $DIR/into-iter-on-boxed-slices-2021.rs:14:40 + | +LL | let _: Iter<'_, i32> = boxed_slice.into_iter(); + | ^^^^^^^^^ + | + = warning: this changes meaning in Rust 2024 + = note: `#[warn(boxed_slice_into_iter)]` on by default +help: use `.iter()` instead of `.into_iter()` to avoid ambiguity + | +LL | let _: Iter<'_, i32> = boxed_slice.iter(); + | ~~~~ +help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value + | +LL | let _: Iter<'_, i32> = IntoIterator::into_iter(boxed_slice); + | ++++++++++++++++++++++++ ~ + +warning: this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to ` as IntoIterator>::into_iter` in Rust 2024 + --> $DIR/into-iter-on-boxed-slices-2021.rs:18:58 + | +LL | let _: Iter<'_, i32> = Box::new(boxed_slice.clone()).into_iter(); + | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` + | + = warning: this changes meaning in Rust 2024 + +warning: this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to ` as IntoIterator>::into_iter` in Rust 2024 + --> $DIR/into-iter-on-boxed-slices-2021.rs:22:57 + | +LL | let _: Iter<'_, i32> = Rc::new(boxed_slice.clone()).into_iter(); + | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` + | + = warning: this changes meaning in Rust 2024 + +warning: this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to ` as IntoIterator>::into_iter` in Rust 2024 + --> $DIR/into-iter-on-boxed-slices-2021.rs:25:55 + | +LL | let _: Iter<'_, i32> = Array(boxed_slice.clone()).into_iter(); + | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` + | + = warning: this changes meaning in Rust 2024 + +warning: this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to ` as IntoIterator>::into_iter` in Rust 2024 + --> $DIR/into-iter-on-boxed-slices-2021.rs:32:48 + | +LL | for _ in (Box::new([1, 2, 3]) as Box<[_]>).into_iter() {} + | ^^^^^^^^^ + | + = warning: this changes meaning in Rust 2024 +help: use `.iter()` instead of `.into_iter()` to avoid ambiguity + | +LL | for _ in (Box::new([1, 2, 3]) as Box<[_]>).iter() {} + | ~~~~ +help: or remove `.into_iter()` to iterate by value + | +LL - for _ in (Box::new([1, 2, 3]) as Box<[_]>).into_iter() {} +LL + for _ in (Box::new([1, 2, 3]) as Box<[_]>) {} + | + +warning: 5 warnings emitted + diff --git a/tests/ui/iterators/into-iter-on-boxed-slices-2024.rs b/tests/ui/iterators/into-iter-on-boxed-slices-2024.rs new file mode 100644 index 000000000000..ffd6f022bc6d --- /dev/null +++ b/tests/ui/iterators/into-iter-on-boxed-slices-2024.rs @@ -0,0 +1,20 @@ +//@ check-pass +//@ edition:2024 +//@ compile-flags: -Zunstable-options + +use std::ops::Deref; +use std::rc::Rc; +use std::vec::IntoIter; + +fn main() { + let boxed_slice = vec![0; 10].into_boxed_slice(); + + // In 2021, the method dispatches to `IntoIterator for [T; N]`. + let _: IntoIter = boxed_slice.clone().into_iter(); + + // And through other boxes. + let _: IntoIter = Box::new(boxed_slice.clone()).into_iter(); + + // You can always use the trait method explicitly as a boxed_slice. + let _: IntoIter = IntoIterator::into_iter(boxed_slice.clone()); +} diff --git a/tests/ui/iterators/into-iter-on-boxed-slices-lint.fixed b/tests/ui/iterators/into-iter-on-boxed-slices-lint.fixed new file mode 100644 index 000000000000..265a6c764d20 --- /dev/null +++ b/tests/ui/iterators/into-iter-on-boxed-slices-lint.fixed @@ -0,0 +1,30 @@ +//@ run-pass +//@ run-rustfix +//@ rustfix-only-machine-applicable + +#[allow(unused_must_use, unused_allocation)] +fn main() { + let boxed = vec![1, 2].into_boxed_slice(); + + // Expressions that should trigger the lint + boxed.iter(); + //~^ WARNING this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` + //~| WARNING this changes meaning + Box::new(boxed.clone()).iter(); + //~^ WARNING this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` + //~| WARNING this changes meaning + Box::new(Box::new(boxed.clone())).iter(); + //~^ WARNING this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` + //~| WARNING this changes meaning + + // Expressions that should not + (&boxed).into_iter(); + + for _ in &boxed {} + (&boxed as &[_]).into_iter(); + boxed[..].into_iter(); + std::iter::IntoIterator::into_iter(&boxed); + + #[allow(boxed_slice_into_iter)] + boxed.into_iter(); +} diff --git a/tests/ui/iterators/into-iter-on-boxed-slices-lint.rs b/tests/ui/iterators/into-iter-on-boxed-slices-lint.rs new file mode 100644 index 000000000000..dd78e481e0e9 --- /dev/null +++ b/tests/ui/iterators/into-iter-on-boxed-slices-lint.rs @@ -0,0 +1,30 @@ +//@ run-pass +//@ run-rustfix +//@ rustfix-only-machine-applicable + +#[allow(unused_must_use, unused_allocation)] +fn main() { + let boxed = vec![1, 2].into_boxed_slice(); + + // Expressions that should trigger the lint + boxed.into_iter(); + //~^ WARNING this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` + //~| WARNING this changes meaning + Box::new(boxed.clone()).into_iter(); + //~^ WARNING this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` + //~| WARNING this changes meaning + Box::new(Box::new(boxed.clone())).into_iter(); + //~^ WARNING this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` + //~| WARNING this changes meaning + + // Expressions that should not + (&boxed).into_iter(); + + for _ in &boxed {} + (&boxed as &[_]).into_iter(); + boxed[..].into_iter(); + std::iter::IntoIterator::into_iter(&boxed); + + #[allow(boxed_slice_into_iter)] + boxed.into_iter(); +} diff --git a/tests/ui/iterators/into-iter-on-boxed-slices-lint.stderr b/tests/ui/iterators/into-iter-on-boxed-slices-lint.stderr new file mode 100644 index 000000000000..b73faf0dbd3b --- /dev/null +++ b/tests/ui/iterators/into-iter-on-boxed-slices-lint.stderr @@ -0,0 +1,35 @@ +warning: this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to ` as IntoIterator>::into_iter` in Rust 2024 + --> $DIR/into-iter-on-boxed-slices-lint.rs:10:11 + | +LL | boxed.into_iter(); + | ^^^^^^^^^ + | + = warning: this changes meaning in Rust 2024 + = note: `#[warn(boxed_slice_into_iter)]` on by default +help: use `.iter()` instead of `.into_iter()` to avoid ambiguity + | +LL | boxed.iter(); + | ~~~~ +help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value + | +LL | IntoIterator::into_iter(boxed); + | ++++++++++++++++++++++++ ~ + +warning: this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to ` as IntoIterator>::into_iter` in Rust 2024 + --> $DIR/into-iter-on-boxed-slices-lint.rs:13:29 + | +LL | Box::new(boxed.clone()).into_iter(); + | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` + | + = warning: this changes meaning in Rust 2024 + +warning: this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to ` as IntoIterator>::into_iter` in Rust 2024 + --> $DIR/into-iter-on-boxed-slices-lint.rs:16:39 + | +LL | Box::new(Box::new(boxed.clone())).into_iter(); + | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` + | + = warning: this changes meaning in Rust 2024 + +warning: 3 warnings emitted + diff --git a/tests/ui/traits/method-on-unbounded-type-param.stderr b/tests/ui/traits/method-on-unbounded-type-param.stderr index 4d968e7bee10..0b1f83a9de92 100644 --- a/tests/ui/traits/method-on-unbounded-type-param.stderr +++ b/tests/ui/traits/method-on-unbounded-type-param.stderr @@ -76,8 +76,8 @@ LL | x.cmp(&x); which is required by `&mut dyn T: Iterator` = help: items from traits can only be used if the trait is implemented and in scope = note: the following traits define an item `cmp`, perhaps you need to implement one of them: - candidate #1: `Iterator` - candidate #2: `Ord` + candidate #1: `Ord` + = note: the trait `Iterator` defines an item `cmp`, but is explicitly unimplemented error: aborting due to 4 previous errors From bc6b70f1d1e8d66594e69423daaf813e588e1405 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Wed, 17 Apr 2024 17:01:26 -0400 Subject: [PATCH 0328/1716] Adjust the method ambiguity lint too --- compiler/rustc_hir_typeck/src/method/mod.rs | 6 ++- ...relude2021.rs => prelude_edition_lints.rs} | 52 ++++++++++++------- compiler/rustc_lint/src/lib.rs | 2 +- .../box-slice-into-iter-ambiguous.fixed | 27 ++++++++++ .../box-slice-into-iter-ambiguous.rs | 27 ++++++++++ .../box-slice-into-iter-ambiguous.stderr | 15 ++++++ 6 files changed, 108 insertions(+), 21 deletions(-) rename compiler/rustc_hir_typeck/src/method/{prelude2021.rs => prelude_edition_lints.rs} (90%) create mode 100644 tests/ui/rust-2024/box-slice-into-iter-ambiguous.fixed create mode 100644 tests/ui/rust-2024/box-slice-into-iter-ambiguous.rs create mode 100644 tests/ui/rust-2024/box-slice-into-iter-ambiguous.stderr diff --git a/compiler/rustc_hir_typeck/src/method/mod.rs b/compiler/rustc_hir_typeck/src/method/mod.rs index a40fa600c19e..4165ccb1b80a 100644 --- a/compiler/rustc_hir_typeck/src/method/mod.rs +++ b/compiler/rustc_hir_typeck/src/method/mod.rs @@ -3,7 +3,7 @@ //! [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/method-lookup.html mod confirm; -mod prelude2021; +mod prelude_edition_lints; pub mod probe; mod suggest; @@ -186,7 +186,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let pick = self.lookup_probe(segment.ident, self_ty, call_expr, ProbeScope::TraitsInScope)?; - self.lint_dot_call_from_2018(self_ty, segment, span, call_expr, self_expr, &pick, args); + self.lint_edition_dependent_dot_call( + self_ty, segment, span, call_expr, self_expr, &pick, args, + ); for &import_id in &pick.import_ids { debug!("used_trait_import: {:?}", import_id); diff --git a/compiler/rustc_hir_typeck/src/method/prelude2021.rs b/compiler/rustc_hir_typeck/src/method/prelude_edition_lints.rs similarity index 90% rename from compiler/rustc_hir_typeck/src/method/prelude2021.rs rename to compiler/rustc_hir_typeck/src/method/prelude_edition_lints.rs index eca326892b53..e9eab6969b34 100644 --- a/compiler/rustc_hir_typeck/src/method/prelude2021.rs +++ b/compiler/rustc_hir_typeck/src/method/prelude_edition_lints.rs @@ -1,12 +1,12 @@ -use crate::{ - method::probe::{self, Pick}, - FnCtxt, -}; +use crate::method::probe::{self, Pick}; +use crate::FnCtxt; + use hir::def_id::DefId; use hir::HirId; use hir::ItemKind; use rustc_errors::Applicability; use rustc_hir as hir; +use rustc_lint::{ARRAY_INTO_ITER, BOXED_SLICE_INTO_ITER}; use rustc_middle::span_bug; use rustc_middle::ty::{self, Ty}; use rustc_session::lint::builtin::RUST_2021_PRELUDE_COLLISIONS; @@ -17,7 +17,7 @@ use rustc_trait_selection::infer::InferCtxtExt; use std::fmt::Write; impl<'a, 'tcx> FnCtxt<'a, 'tcx> { - pub(super) fn lint_dot_call_from_2018( + pub(super) fn lint_edition_dependent_dot_call( &self, self_ty: Ty<'tcx>, segment: &hir::PathSegment<'_>, @@ -32,22 +32,32 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { segment.ident, self_ty, call_expr, self_expr ); - // Rust 2021 and later is already using the new prelude - if span.at_least_rust_2021() { - return; - } - - let prelude_or_array_lint = match segment.ident.name { + let (prelude_or_array_lint, edition) = match segment.ident.name { // `try_into` was added to the prelude in Rust 2021. - sym::try_into => RUST_2021_PRELUDE_COLLISIONS, + sym::try_into if !span.at_least_rust_2021() => (RUST_2021_PRELUDE_COLLISIONS, "2021"), // `into_iter` wasn't added to the prelude, // but `[T; N].into_iter()` doesn't resolve to IntoIterator::into_iter // before Rust 2021, which results in the same problem. // It is only a problem for arrays. - sym::into_iter if let ty::Array(..) = self_ty.kind() => { - // In this case, it wasn't really a prelude addition that was the problem. - // Instead, the problem is that the array-into_iter hack will no longer apply in Rust 2021. - rustc_lint::ARRAY_INTO_ITER + sym::into_iter => { + if let ty::Array(..) = self_ty.kind() + && !span.at_least_rust_2021() + { + // In this case, it wasn't really a prelude addition that was the problem. + // Instead, the problem is that the array-into_iter hack will no longer + // apply in Rust 2021. + (ARRAY_INTO_ITER, "2021") + } else if self_ty.is_box() + && self_ty.boxed_ty().is_slice() + && !span.at_least_rust_2024() + { + // In this case, it wasn't really a prelude addition that was the problem. + // Instead, the problem is that the boxed-slice-into_iter hack will no + // longer apply in Rust 2024. + (BOXED_SLICE_INTO_ITER, "2024") + } else { + return; + } } _ => return, }; @@ -81,7 +91,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { prelude_or_array_lint, self_expr.hir_id, self_expr.span, - format!("trait method `{}` will become ambiguous in Rust 2021", segment.ident.name), + format!( + "trait method `{}` will become ambiguous in Rust {edition}", + segment.ident.name + ), |lint| { let sp = self_expr.span; @@ -131,7 +144,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { prelude_or_array_lint, call_expr.hir_id, call_expr.span, - format!("trait method `{}` will become ambiguous in Rust 2021", segment.ident.name), + format!( + "trait method `{}` will become ambiguous in Rust {edition}", + segment.ident.name + ), |lint| { let sp = call_expr.span; let trait_name = self.trait_path_or_bare_name( diff --git a/compiler/rustc_lint/src/lib.rs b/compiler/rustc_lint/src/lib.rs index 10c2557baa7d..64fcc7e46e0e 100644 --- a/compiler/rustc_lint/src/lib.rs +++ b/compiler/rustc_lint/src/lib.rs @@ -81,7 +81,7 @@ mod types; mod unit_bindings; mod unused; -pub use shadowed_into_iter::ARRAY_INTO_ITER; +pub use shadowed_into_iter::{ARRAY_INTO_ITER, BOXED_SLICE_INTO_ITER}; use rustc_hir::def_id::LocalModDefId; use rustc_middle::query::Providers; diff --git a/tests/ui/rust-2024/box-slice-into-iter-ambiguous.fixed b/tests/ui/rust-2024/box-slice-into-iter-ambiguous.fixed new file mode 100644 index 000000000000..d49fee55a05b --- /dev/null +++ b/tests/ui/rust-2024/box-slice-into-iter-ambiguous.fixed @@ -0,0 +1,27 @@ +// See https://github.com/rust-lang/rust/issues/88475 +//@ run-rustfix +//@ edition:2021 +//@ check-pass +#![warn(boxed_slice_into_iter)] +#![allow(unused)] + +struct FooIter; + +trait MyIntoIter { + fn into_iter(self) -> FooIter; +} + +impl MyIntoIter for Box<[T]> { + fn into_iter(self) -> FooIter { + FooIter + } +} + +struct Point; + +pub fn main() { + let points: Box<[_]> = vec![Point].into_boxed_slice(); + let y = MyIntoIter::into_iter(points); + //~^ WARNING trait method `into_iter` will become ambiguous in Rust 2024 + //~| WARNING this changes meaning in Rust 2024 +} diff --git a/tests/ui/rust-2024/box-slice-into-iter-ambiguous.rs b/tests/ui/rust-2024/box-slice-into-iter-ambiguous.rs new file mode 100644 index 000000000000..e78f550d226f --- /dev/null +++ b/tests/ui/rust-2024/box-slice-into-iter-ambiguous.rs @@ -0,0 +1,27 @@ +// See https://github.com/rust-lang/rust/issues/88475 +//@ run-rustfix +//@ edition:2021 +//@ check-pass +#![warn(boxed_slice_into_iter)] +#![allow(unused)] + +struct FooIter; + +trait MyIntoIter { + fn into_iter(self) -> FooIter; +} + +impl MyIntoIter for Box<[T]> { + fn into_iter(self) -> FooIter { + FooIter + } +} + +struct Point; + +pub fn main() { + let points: Box<[_]> = vec![Point].into_boxed_slice(); + let y = points.into_iter(); + //~^ WARNING trait method `into_iter` will become ambiguous in Rust 2024 + //~| WARNING this changes meaning in Rust 2024 +} diff --git a/tests/ui/rust-2024/box-slice-into-iter-ambiguous.stderr b/tests/ui/rust-2024/box-slice-into-iter-ambiguous.stderr new file mode 100644 index 000000000000..9cc79a7b1294 --- /dev/null +++ b/tests/ui/rust-2024/box-slice-into-iter-ambiguous.stderr @@ -0,0 +1,15 @@ +warning: trait method `into_iter` will become ambiguous in Rust 2024 + --> $DIR/box-slice-into-iter-ambiguous.rs:24:13 + | +LL | let y = points.into_iter(); + | ^^^^^^^^^^^^^^^^^^ help: disambiguate the associated function: `MyIntoIter::into_iter(points)` + | + = warning: this changes meaning in Rust 2024 +note: the lint level is defined here + --> $DIR/box-slice-into-iter-ambiguous.rs:5:9 + | +LL | #![warn(boxed_slice_into_iter)] + | ^^^^^^^^^^^^^^^^^^^^^ + +warning: 1 warning emitted + From bd0d306c1444ea5dc0b9d88e2691073dd024b92c Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Wed, 17 Apr 2024 19:54:06 -0400 Subject: [PATCH 0329/1716] Remove a clippy test that doesn't apply anymore --- .../clippy/tests/ui/into_iter_on_ref.fixed | 1 - src/tools/clippy/tests/ui/into_iter_on_ref.rs | 1 - .../clippy/tests/ui/into_iter_on_ref.stderr | 58 +++++++++---------- 3 files changed, 26 insertions(+), 34 deletions(-) diff --git a/src/tools/clippy/tests/ui/into_iter_on_ref.fixed b/src/tools/clippy/tests/ui/into_iter_on_ref.fixed index c03d91c797c8..72b39c982bf7 100644 --- a/src/tools/clippy/tests/ui/into_iter_on_ref.fixed +++ b/src/tools/clippy/tests/ui/into_iter_on_ref.fixed @@ -11,7 +11,6 @@ fn main() { let _ = vec![1, 2, 3].into_iter(); let _ = (&vec![1, 2, 3]).iter(); //~ ERROR: equivalent to `.iter() - let _ = vec![1, 2, 3].into_boxed_slice().iter(); //~ ERROR: equivalent to `.iter() let _ = std::rc::Rc::from(&[X][..]).iter(); //~ ERROR: equivalent to `.iter() let _ = std::sync::Arc::from(&[X][..]).iter(); //~ ERROR: equivalent to `.iter() diff --git a/src/tools/clippy/tests/ui/into_iter_on_ref.rs b/src/tools/clippy/tests/ui/into_iter_on_ref.rs index 93c732fd6ccf..5ba224720d34 100644 --- a/src/tools/clippy/tests/ui/into_iter_on_ref.rs +++ b/src/tools/clippy/tests/ui/into_iter_on_ref.rs @@ -11,7 +11,6 @@ fn main() { let _ = vec![1, 2, 3].into_iter(); let _ = (&vec![1, 2, 3]).into_iter(); //~ ERROR: equivalent to `.iter() - let _ = vec![1, 2, 3].into_boxed_slice().into_iter(); //~ ERROR: equivalent to `.iter() let _ = std::rc::Rc::from(&[X][..]).into_iter(); //~ ERROR: equivalent to `.iter() let _ = std::sync::Arc::from(&[X][..]).into_iter(); //~ ERROR: equivalent to `.iter() diff --git a/src/tools/clippy/tests/ui/into_iter_on_ref.stderr b/src/tools/clippy/tests/ui/into_iter_on_ref.stderr index 0e9d485f1a9d..64d814074da4 100644 --- a/src/tools/clippy/tests/ui/into_iter_on_ref.stderr +++ b/src/tools/clippy/tests/ui/into_iter_on_ref.stderr @@ -8,160 +8,154 @@ LL | let _ = (&vec![1, 2, 3]).into_iter(); = help: to override `-D warnings` add `#[allow(clippy::into_iter_on_ref)]` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `slice` - --> tests/ui/into_iter_on_ref.rs:14:46 - | -LL | let _ = vec![1, 2, 3].into_boxed_slice().into_iter(); - | ^^^^^^^^^ help: call directly: `iter` - -error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `slice` - --> tests/ui/into_iter_on_ref.rs:15:41 + --> tests/ui/into_iter_on_ref.rs:14:41 | LL | let _ = std::rc::Rc::from(&[X][..]).into_iter(); | ^^^^^^^^^ help: call directly: `iter` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `slice` - --> tests/ui/into_iter_on_ref.rs:16:44 + --> tests/ui/into_iter_on_ref.rs:15:44 | LL | let _ = std::sync::Arc::from(&[X][..]).into_iter(); | ^^^^^^^^^ help: call directly: `iter` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `array` - --> tests/ui/into_iter_on_ref.rs:18:32 + --> tests/ui/into_iter_on_ref.rs:17:32 | LL | let _ = (&&&&&&&[1, 2, 3]).into_iter(); | ^^^^^^^^^ help: call directly: `iter` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `array` - --> tests/ui/into_iter_on_ref.rs:19:36 + --> tests/ui/into_iter_on_ref.rs:18:36 | LL | let _ = (&&&&mut &&&[1, 2, 3]).into_iter(); | ^^^^^^^^^ help: call directly: `iter` error: this `.into_iter()` call is equivalent to `.iter_mut()` and will not consume the `array` - --> tests/ui/into_iter_on_ref.rs:20:40 + --> tests/ui/into_iter_on_ref.rs:19:40 | LL | let _ = (&mut &mut &mut [1, 2, 3]).into_iter(); | ^^^^^^^^^ help: call directly: `iter_mut` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `Option` - --> tests/ui/into_iter_on_ref.rs:22:24 + --> tests/ui/into_iter_on_ref.rs:21:24 | LL | let _ = (&Some(4)).into_iter(); | ^^^^^^^^^ help: call directly: `iter` error: this `.into_iter()` call is equivalent to `.iter_mut()` and will not consume the `Option` - --> tests/ui/into_iter_on_ref.rs:23:28 + --> tests/ui/into_iter_on_ref.rs:22:28 | LL | let _ = (&mut Some(5)).into_iter(); | ^^^^^^^^^ help: call directly: `iter_mut` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `Result` - --> tests/ui/into_iter_on_ref.rs:24:32 + --> tests/ui/into_iter_on_ref.rs:23:32 | LL | let _ = (&Ok::<_, i32>(6)).into_iter(); | ^^^^^^^^^ help: call directly: `iter` error: this `.into_iter()` call is equivalent to `.iter_mut()` and will not consume the `Result` - --> tests/ui/into_iter_on_ref.rs:25:37 + --> tests/ui/into_iter_on_ref.rs:24:37 | LL | let _ = (&mut Err::(7)).into_iter(); | ^^^^^^^^^ help: call directly: `iter_mut` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `Vec` - --> tests/ui/into_iter_on_ref.rs:26:34 + --> tests/ui/into_iter_on_ref.rs:25:34 | LL | let _ = (&Vec::::new()).into_iter(); | ^^^^^^^^^ help: call directly: `iter` error: this `.into_iter()` call is equivalent to `.iter_mut()` and will not consume the `Vec` - --> tests/ui/into_iter_on_ref.rs:27:38 + --> tests/ui/into_iter_on_ref.rs:26:38 | LL | let _ = (&mut Vec::::new()).into_iter(); | ^^^^^^^^^ help: call directly: `iter_mut` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `BTreeMap` - --> tests/ui/into_iter_on_ref.rs:28:44 + --> tests/ui/into_iter_on_ref.rs:27:44 | LL | let _ = (&BTreeMap::::new()).into_iter(); | ^^^^^^^^^ help: call directly: `iter` error: this `.into_iter()` call is equivalent to `.iter_mut()` and will not consume the `BTreeMap` - --> tests/ui/into_iter_on_ref.rs:29:48 + --> tests/ui/into_iter_on_ref.rs:28:48 | LL | let _ = (&mut BTreeMap::::new()).into_iter(); | ^^^^^^^^^ help: call directly: `iter_mut` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `VecDeque` - --> tests/ui/into_iter_on_ref.rs:30:39 + --> tests/ui/into_iter_on_ref.rs:29:39 | LL | let _ = (&VecDeque::::new()).into_iter(); | ^^^^^^^^^ help: call directly: `iter` error: this `.into_iter()` call is equivalent to `.iter_mut()` and will not consume the `VecDeque` - --> tests/ui/into_iter_on_ref.rs:31:43 + --> tests/ui/into_iter_on_ref.rs:30:43 | LL | let _ = (&mut VecDeque::::new()).into_iter(); | ^^^^^^^^^ help: call directly: `iter_mut` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `LinkedList` - --> tests/ui/into_iter_on_ref.rs:32:41 + --> tests/ui/into_iter_on_ref.rs:31:41 | LL | let _ = (&LinkedList::::new()).into_iter(); | ^^^^^^^^^ help: call directly: `iter` error: this `.into_iter()` call is equivalent to `.iter_mut()` and will not consume the `LinkedList` - --> tests/ui/into_iter_on_ref.rs:33:45 + --> tests/ui/into_iter_on_ref.rs:32:45 | LL | let _ = (&mut LinkedList::::new()).into_iter(); | ^^^^^^^^^ help: call directly: `iter_mut` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `HashMap` - --> tests/ui/into_iter_on_ref.rs:34:43 + --> tests/ui/into_iter_on_ref.rs:33:43 | LL | let _ = (&HashMap::::new()).into_iter(); | ^^^^^^^^^ help: call directly: `iter` error: this `.into_iter()` call is equivalent to `.iter_mut()` and will not consume the `HashMap` - --> tests/ui/into_iter_on_ref.rs:35:47 + --> tests/ui/into_iter_on_ref.rs:34:47 | LL | let _ = (&mut HashMap::::new()).into_iter(); | ^^^^^^^^^ help: call directly: `iter_mut` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `BTreeSet` - --> tests/ui/into_iter_on_ref.rs:37:39 + --> tests/ui/into_iter_on_ref.rs:36:39 | LL | let _ = (&BTreeSet::::new()).into_iter(); | ^^^^^^^^^ help: call directly: `iter` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `BinaryHeap` - --> tests/ui/into_iter_on_ref.rs:38:41 + --> tests/ui/into_iter_on_ref.rs:37:41 | LL | let _ = (&BinaryHeap::::new()).into_iter(); | ^^^^^^^^^ help: call directly: `iter` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `HashSet` - --> tests/ui/into_iter_on_ref.rs:39:38 + --> tests/ui/into_iter_on_ref.rs:38:38 | LL | let _ = (&HashSet::::new()).into_iter(); | ^^^^^^^^^ help: call directly: `iter` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `Path` - --> tests/ui/into_iter_on_ref.rs:40:43 + --> tests/ui/into_iter_on_ref.rs:39:43 | LL | let _ = std::path::Path::new("12/34").into_iter(); | ^^^^^^^^^ help: call directly: `iter` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `PathBuf` - --> tests/ui/into_iter_on_ref.rs:41:47 + --> tests/ui/into_iter_on_ref.rs:40:47 | LL | let _ = std::path::PathBuf::from("12/34").into_iter(); | ^^^^^^^^^ help: call directly: `iter` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `array` - --> tests/ui/into_iter_on_ref.rs:43:26 + --> tests/ui/into_iter_on_ref.rs:42:26 | LL | let _ = (&[1, 2, 3]).into_iter().next(); | ^^^^^^^^^ help: call directly: `iter` -error: aborting due to 27 previous errors +error: aborting due to 26 previous errors From 917bb8396cfae8e040e547445a2a6d9cdbd83475 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Tue, 14 May 2024 16:45:54 -0400 Subject: [PATCH 0330/1716] Fix miri too --- src/tools/miri/tests/fail/shims/backtrace/bad-backtrace-decl.rs | 2 +- src/tools/miri/tests/pass/backtrace/backtrace-api-v0.rs | 2 +- src/tools/miri/tests/pass/backtrace/backtrace-api-v1.rs | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/src/tools/miri/tests/fail/shims/backtrace/bad-backtrace-decl.rs b/src/tools/miri/tests/fail/shims/backtrace/bad-backtrace-decl.rs index 97a70103e646..a20539ee7c70 100644 --- a/src/tools/miri/tests/fail/shims/backtrace/bad-backtrace-decl.rs +++ b/src/tools/miri/tests/fail/shims/backtrace/bad-backtrace-decl.rs @@ -5,7 +5,7 @@ extern "Rust" { fn main() { let frames = unsafe { miri_get_backtrace(0) }; - for frame in frames.into_iter() { + for frame in frames.iter() { unsafe { miri_resolve_frame(*frame, 0); //~ ERROR: Undefined Behavior: bad declaration of miri_resolve_frame - should return a struct with 5 fields } diff --git a/src/tools/miri/tests/pass/backtrace/backtrace-api-v0.rs b/src/tools/miri/tests/pass/backtrace/backtrace-api-v0.rs index 8d3173da400f..3fff7921aff7 100644 --- a/src/tools/miri/tests/pass/backtrace/backtrace-api-v0.rs +++ b/src/tools/miri/tests/pass/backtrace/backtrace-api-v0.rs @@ -27,7 +27,7 @@ fn func_d() -> Box<[*mut ()]> { fn main() { let mut seen_main = false; let frames = func_a(); - for frame in frames.into_iter() { + for frame in frames.iter() { let miri_frame = unsafe { miri_resolve_frame(*frame, 0) }; let name = String::from_utf8(miri_frame.name.into()).unwrap(); let filename = String::from_utf8(miri_frame.filename.into()).unwrap(); diff --git a/src/tools/miri/tests/pass/backtrace/backtrace-api-v1.rs b/src/tools/miri/tests/pass/backtrace/backtrace-api-v1.rs index ad05271ca519..a3060abc3940 100644 --- a/src/tools/miri/tests/pass/backtrace/backtrace-api-v1.rs +++ b/src/tools/miri/tests/pass/backtrace/backtrace-api-v1.rs @@ -32,7 +32,7 @@ fn func_d() -> Box<[*mut ()]> { fn main() { let mut seen_main = false; let frames = func_a(); - for frame in frames.into_iter() { + for frame in frames.iter() { let miri_frame = unsafe { miri_resolve_frame(*frame, 1) }; let mut name = vec![0; miri_frame.name_len]; From ca1337a7bc08ab59472a701ee0b843d7ac10a5bc Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Wed, 17 Apr 2024 19:54:06 -0400 Subject: [PATCH 0331/1716] Remove a clippy test that doesn't apply anymore --- tests/ui/into_iter_on_ref.fixed | 1 - tests/ui/into_iter_on_ref.rs | 1 - tests/ui/into_iter_on_ref.stderr | 58 ++++++++++++++------------------ 3 files changed, 26 insertions(+), 34 deletions(-) diff --git a/tests/ui/into_iter_on_ref.fixed b/tests/ui/into_iter_on_ref.fixed index c03d91c797c8..72b39c982bf7 100644 --- a/tests/ui/into_iter_on_ref.fixed +++ b/tests/ui/into_iter_on_ref.fixed @@ -11,7 +11,6 @@ fn main() { let _ = vec![1, 2, 3].into_iter(); let _ = (&vec![1, 2, 3]).iter(); //~ ERROR: equivalent to `.iter() - let _ = vec![1, 2, 3].into_boxed_slice().iter(); //~ ERROR: equivalent to `.iter() let _ = std::rc::Rc::from(&[X][..]).iter(); //~ ERROR: equivalent to `.iter() let _ = std::sync::Arc::from(&[X][..]).iter(); //~ ERROR: equivalent to `.iter() diff --git a/tests/ui/into_iter_on_ref.rs b/tests/ui/into_iter_on_ref.rs index 93c732fd6ccf..5ba224720d34 100644 --- a/tests/ui/into_iter_on_ref.rs +++ b/tests/ui/into_iter_on_ref.rs @@ -11,7 +11,6 @@ fn main() { let _ = vec![1, 2, 3].into_iter(); let _ = (&vec![1, 2, 3]).into_iter(); //~ ERROR: equivalent to `.iter() - let _ = vec![1, 2, 3].into_boxed_slice().into_iter(); //~ ERROR: equivalent to `.iter() let _ = std::rc::Rc::from(&[X][..]).into_iter(); //~ ERROR: equivalent to `.iter() let _ = std::sync::Arc::from(&[X][..]).into_iter(); //~ ERROR: equivalent to `.iter() diff --git a/tests/ui/into_iter_on_ref.stderr b/tests/ui/into_iter_on_ref.stderr index 0e9d485f1a9d..64d814074da4 100644 --- a/tests/ui/into_iter_on_ref.stderr +++ b/tests/ui/into_iter_on_ref.stderr @@ -8,160 +8,154 @@ LL | let _ = (&vec![1, 2, 3]).into_iter(); = help: to override `-D warnings` add `#[allow(clippy::into_iter_on_ref)]` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `slice` - --> tests/ui/into_iter_on_ref.rs:14:46 - | -LL | let _ = vec![1, 2, 3].into_boxed_slice().into_iter(); - | ^^^^^^^^^ help: call directly: `iter` - -error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `slice` - --> tests/ui/into_iter_on_ref.rs:15:41 + --> tests/ui/into_iter_on_ref.rs:14:41 | LL | let _ = std::rc::Rc::from(&[X][..]).into_iter(); | ^^^^^^^^^ help: call directly: `iter` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `slice` - --> tests/ui/into_iter_on_ref.rs:16:44 + --> tests/ui/into_iter_on_ref.rs:15:44 | LL | let _ = std::sync::Arc::from(&[X][..]).into_iter(); | ^^^^^^^^^ help: call directly: `iter` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `array` - --> tests/ui/into_iter_on_ref.rs:18:32 + --> tests/ui/into_iter_on_ref.rs:17:32 | LL | let _ = (&&&&&&&[1, 2, 3]).into_iter(); | ^^^^^^^^^ help: call directly: `iter` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `array` - --> tests/ui/into_iter_on_ref.rs:19:36 + --> tests/ui/into_iter_on_ref.rs:18:36 | LL | let _ = (&&&&mut &&&[1, 2, 3]).into_iter(); | ^^^^^^^^^ help: call directly: `iter` error: this `.into_iter()` call is equivalent to `.iter_mut()` and will not consume the `array` - --> tests/ui/into_iter_on_ref.rs:20:40 + --> tests/ui/into_iter_on_ref.rs:19:40 | LL | let _ = (&mut &mut &mut [1, 2, 3]).into_iter(); | ^^^^^^^^^ help: call directly: `iter_mut` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `Option` - --> tests/ui/into_iter_on_ref.rs:22:24 + --> tests/ui/into_iter_on_ref.rs:21:24 | LL | let _ = (&Some(4)).into_iter(); | ^^^^^^^^^ help: call directly: `iter` error: this `.into_iter()` call is equivalent to `.iter_mut()` and will not consume the `Option` - --> tests/ui/into_iter_on_ref.rs:23:28 + --> tests/ui/into_iter_on_ref.rs:22:28 | LL | let _ = (&mut Some(5)).into_iter(); | ^^^^^^^^^ help: call directly: `iter_mut` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `Result` - --> tests/ui/into_iter_on_ref.rs:24:32 + --> tests/ui/into_iter_on_ref.rs:23:32 | LL | let _ = (&Ok::<_, i32>(6)).into_iter(); | ^^^^^^^^^ help: call directly: `iter` error: this `.into_iter()` call is equivalent to `.iter_mut()` and will not consume the `Result` - --> tests/ui/into_iter_on_ref.rs:25:37 + --> tests/ui/into_iter_on_ref.rs:24:37 | LL | let _ = (&mut Err::(7)).into_iter(); | ^^^^^^^^^ help: call directly: `iter_mut` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `Vec` - --> tests/ui/into_iter_on_ref.rs:26:34 + --> tests/ui/into_iter_on_ref.rs:25:34 | LL | let _ = (&Vec::::new()).into_iter(); | ^^^^^^^^^ help: call directly: `iter` error: this `.into_iter()` call is equivalent to `.iter_mut()` and will not consume the `Vec` - --> tests/ui/into_iter_on_ref.rs:27:38 + --> tests/ui/into_iter_on_ref.rs:26:38 | LL | let _ = (&mut Vec::::new()).into_iter(); | ^^^^^^^^^ help: call directly: `iter_mut` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `BTreeMap` - --> tests/ui/into_iter_on_ref.rs:28:44 + --> tests/ui/into_iter_on_ref.rs:27:44 | LL | let _ = (&BTreeMap::::new()).into_iter(); | ^^^^^^^^^ help: call directly: `iter` error: this `.into_iter()` call is equivalent to `.iter_mut()` and will not consume the `BTreeMap` - --> tests/ui/into_iter_on_ref.rs:29:48 + --> tests/ui/into_iter_on_ref.rs:28:48 | LL | let _ = (&mut BTreeMap::::new()).into_iter(); | ^^^^^^^^^ help: call directly: `iter_mut` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `VecDeque` - --> tests/ui/into_iter_on_ref.rs:30:39 + --> tests/ui/into_iter_on_ref.rs:29:39 | LL | let _ = (&VecDeque::::new()).into_iter(); | ^^^^^^^^^ help: call directly: `iter` error: this `.into_iter()` call is equivalent to `.iter_mut()` and will not consume the `VecDeque` - --> tests/ui/into_iter_on_ref.rs:31:43 + --> tests/ui/into_iter_on_ref.rs:30:43 | LL | let _ = (&mut VecDeque::::new()).into_iter(); | ^^^^^^^^^ help: call directly: `iter_mut` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `LinkedList` - --> tests/ui/into_iter_on_ref.rs:32:41 + --> tests/ui/into_iter_on_ref.rs:31:41 | LL | let _ = (&LinkedList::::new()).into_iter(); | ^^^^^^^^^ help: call directly: `iter` error: this `.into_iter()` call is equivalent to `.iter_mut()` and will not consume the `LinkedList` - --> tests/ui/into_iter_on_ref.rs:33:45 + --> tests/ui/into_iter_on_ref.rs:32:45 | LL | let _ = (&mut LinkedList::::new()).into_iter(); | ^^^^^^^^^ help: call directly: `iter_mut` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `HashMap` - --> tests/ui/into_iter_on_ref.rs:34:43 + --> tests/ui/into_iter_on_ref.rs:33:43 | LL | let _ = (&HashMap::::new()).into_iter(); | ^^^^^^^^^ help: call directly: `iter` error: this `.into_iter()` call is equivalent to `.iter_mut()` and will not consume the `HashMap` - --> tests/ui/into_iter_on_ref.rs:35:47 + --> tests/ui/into_iter_on_ref.rs:34:47 | LL | let _ = (&mut HashMap::::new()).into_iter(); | ^^^^^^^^^ help: call directly: `iter_mut` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `BTreeSet` - --> tests/ui/into_iter_on_ref.rs:37:39 + --> tests/ui/into_iter_on_ref.rs:36:39 | LL | let _ = (&BTreeSet::::new()).into_iter(); | ^^^^^^^^^ help: call directly: `iter` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `BinaryHeap` - --> tests/ui/into_iter_on_ref.rs:38:41 + --> tests/ui/into_iter_on_ref.rs:37:41 | LL | let _ = (&BinaryHeap::::new()).into_iter(); | ^^^^^^^^^ help: call directly: `iter` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `HashSet` - --> tests/ui/into_iter_on_ref.rs:39:38 + --> tests/ui/into_iter_on_ref.rs:38:38 | LL | let _ = (&HashSet::::new()).into_iter(); | ^^^^^^^^^ help: call directly: `iter` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `Path` - --> tests/ui/into_iter_on_ref.rs:40:43 + --> tests/ui/into_iter_on_ref.rs:39:43 | LL | let _ = std::path::Path::new("12/34").into_iter(); | ^^^^^^^^^ help: call directly: `iter` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `PathBuf` - --> tests/ui/into_iter_on_ref.rs:41:47 + --> tests/ui/into_iter_on_ref.rs:40:47 | LL | let _ = std::path::PathBuf::from("12/34").into_iter(); | ^^^^^^^^^ help: call directly: `iter` error: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `array` - --> tests/ui/into_iter_on_ref.rs:43:26 + --> tests/ui/into_iter_on_ref.rs:42:26 | LL | let _ = (&[1, 2, 3]).into_iter().next(); | ^^^^^^^^^ help: call directly: `iter` -error: aborting due to 27 previous errors +error: aborting due to 26 previous errors From addd931fdb5f6a829d5f1c69f827764c1d0883a4 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Thu, 11 Apr 2024 12:20:56 -0400 Subject: [PATCH 0332/1716] Remove get_parent_fn_decl; it's redundant --- compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs | 13 ++----------- compiler/rustc_middle/src/hir/map/mod.rs | 2 +- 2 files changed, 3 insertions(+), 12 deletions(-) diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs index aea34407a2d5..b8333d474937 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs @@ -1774,7 +1774,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // that highlight errors inline. let mut sp = blk.span; let mut fn_span = None; - if let Some((decl, ident)) = self.get_parent_fn_decl(blk.hir_id) { + if let Some((fn_def_id, decl, _)) = self.get_fn_decl(blk.hir_id) { let ret_sp = decl.output.span(); if let Some(block_sp) = self.parent_item_span(blk.hir_id) { // HACK: on some cases (`ui/liveness/liveness-issue-2163.rs`) the @@ -1782,7 +1782,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // the span we're aiming at correspond to a `fn` body. if block_sp == blk.span { sp = ret_sp; - fn_span = Some(ident.span); + fn_span = self.tcx.def_ident_span(fn_def_id); } } } @@ -1897,15 +1897,6 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { None } - /// Given a function block's `HirId`, returns its `FnDecl` if it exists, or `None` otherwise. - pub(crate) fn get_parent_fn_decl( - &self, - blk_id: HirId, - ) -> Option<(&'tcx hir::FnDecl<'tcx>, Ident)> { - let parent = self.tcx.hir_node_by_def_id(self.tcx.hir().get_parent_item(blk_id).def_id); - self.get_node_fn_decl(parent).map(|(_, fn_decl, ident, _)| (fn_decl, ident)) - } - /// If `expr` is a `match` expression that has only one non-`!` arm, use that arm's tail /// expression's `Span`, otherwise return `expr.span`. This is done to give better errors /// when given code like the following: diff --git a/compiler/rustc_middle/src/hir/map/mod.rs b/compiler/rustc_middle/src/hir/map/mod.rs index f4ecc0973ef2..9cc6e3ad0fa3 100644 --- a/compiler/rustc_middle/src/hir/map/mod.rs +++ b/compiler/rustc_middle/src/hir/map/mod.rs @@ -511,7 +511,7 @@ impl<'hir> Map<'hir> { self.body_const_context(self.enclosing_body_owner(hir_id)).is_some() } - /// Retrieves the `HirId` for `id`'s enclosing method, unless there's a + /// Retrieves the `HirId` for `id`'s enclosing method's body, unless there's a /// `while` or `loop` before reaching it, as block tail returns are not /// available in them. /// From ffdf277618cc6b40e7c6d62981dcd2c22ff416d6 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Thu, 11 Apr 2024 12:34:53 -0400 Subject: [PATCH 0333/1716] Consolidate two arms doing the same thing --- compiler/rustc_hir_typeck/src/coercion.rs | 29 ++++++++++------------- 1 file changed, 13 insertions(+), 16 deletions(-) diff --git a/compiler/rustc_hir_typeck/src/coercion.rs b/compiler/rustc_hir_typeck/src/coercion.rs index d81dab2222a9..8a6a33304e63 100644 --- a/compiler/rustc_hir_typeck/src/coercion.rs +++ b/compiler/rustc_hir_typeck/src/coercion.rs @@ -1829,39 +1829,36 @@ impl<'tcx, 'exprs, E: AsCoercionSite> CoerceMany<'tcx, 'exprs, E> { // Verify that this is a tail expression of a function, otherwise the // label pointing out the cause for the type coercion will be wrong // as prior return coercions would not be relevant (#57664). - let fn_decl = if let (Some(expr), Some(blk_id)) = (expression, blk_id) { + if let Some(expr) = expression + && let Some(blk_id) = blk_id + { fcx.suggest_missing_semicolon(&mut err, expr, expected, false); let pointing_at_return_type = fcx.suggest_mismatched_types_on_tail(&mut err, expr, expected, found, blk_id); - if let (Some(cond_expr), true, false) = ( - fcx.tcx.hir().get_if_cause(expr.hir_id), - expected.is_unit(), - pointing_at_return_type, - ) + if let Some(cond_expr) = fcx.tcx.hir().get_if_cause(expr.hir_id) + && expected.is_unit() + && !pointing_at_return_type // If the block is from an external macro or try (`?`) desugaring, then // do not suggest adding a semicolon, because there's nowhere to put it. // See issues #81943 and #87051. && matches!( cond_expr.span.desugaring_kind(), None | Some(DesugaringKind::WhileLoop) - ) && !in_external_macro(fcx.tcx.sess, cond_expr.span) - && !matches!( - cond_expr.kind, - hir::ExprKind::Match(.., hir::MatchSource::TryDesugar(_)) - ) + ) + && !in_external_macro(fcx.tcx.sess, cond_expr.span) + && !matches!( + cond_expr.kind, + hir::ExprKind::Match(.., hir::MatchSource::TryDesugar(_)) + ) { err.span_label(cond_expr.span, "expected this to be `()`"); if expr.can_have_side_effects() { fcx.suggest_semicolon_at_end(cond_expr.span, &mut err); } } - fcx.get_node_fn_decl(parent) - .map(|(fn_id, fn_decl, _, is_main)| (fn_id, fn_decl, is_main)) - } else { - fcx.get_fn_decl(parent_id) }; - if let Some((fn_id, fn_decl, can_suggest)) = fn_decl { + if let Some((fn_id, fn_decl, can_suggest)) = fcx.get_fn_decl(parent_id) { if blk_id.is_none() { fcx.suggest_missing_return_type( &mut err, From 5915850071da4dc48ce9b9a4469c522d75cd6f6c Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Thu, 11 Apr 2024 12:41:03 -0400 Subject: [PATCH 0334/1716] No need to pass parent of block for BlockTailExpression --- compiler/rustc_hir_typeck/src/coercion.rs | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/compiler/rustc_hir_typeck/src/coercion.rs b/compiler/rustc_hir_typeck/src/coercion.rs index 8a6a33304e63..4896781683c1 100644 --- a/compiler/rustc_hir_typeck/src/coercion.rs +++ b/compiler/rustc_hir_typeck/src/coercion.rs @@ -1591,14 +1591,13 @@ impl<'tcx, 'exprs, E: AsCoercionSite> CoerceMany<'tcx, 'exprs, E> { err.span_label(cause.span, "return type is not `()`"); } ObligationCauseCode::BlockTailExpression(blk_id, ..) => { - let parent_id = fcx.tcx.parent_hir_id(blk_id); err = self.report_return_mismatched_types( cause, expected, found, coercion_error, fcx, - parent_id, + blk_id, expression, Some(blk_id), ); From d2dabeee76136e5abcbaea4ece593c4a56888228 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Thu, 11 Apr 2024 13:02:13 -0400 Subject: [PATCH 0335/1716] Remove redundant blk_id parameter --- compiler/rustc_hir_typeck/src/coercion.rs | 57 +++++++++++++---------- 1 file changed, 32 insertions(+), 25 deletions(-) diff --git a/compiler/rustc_hir_typeck/src/coercion.rs b/compiler/rustc_hir_typeck/src/coercion.rs index 4896781683c1..0e6764f7978f 100644 --- a/compiler/rustc_hir_typeck/src/coercion.rs +++ b/compiler/rustc_hir_typeck/src/coercion.rs @@ -1599,22 +1599,20 @@ impl<'tcx, 'exprs, E: AsCoercionSite> CoerceMany<'tcx, 'exprs, E> { fcx, blk_id, expression, - Some(blk_id), ); if !fcx.tcx.features().unsized_locals { unsized_return = self.is_return_ty_definitely_unsized(fcx); } } - ObligationCauseCode::ReturnValue(id) => { + ObligationCauseCode::ReturnValue(return_expr_id) => { err = self.report_return_mismatched_types( cause, expected, found, coercion_error, fcx, - id, + return_expr_id, expression, - None, ); if !fcx.tcx.features().unsized_locals { unsized_return = self.is_return_ty_definitely_unsized(fcx); @@ -1808,13 +1806,14 @@ impl<'tcx, 'exprs, E: AsCoercionSite> CoerceMany<'tcx, 'exprs, E> { found: Ty<'tcx>, ty_err: TypeError<'tcx>, fcx: &FnCtxt<'a, 'tcx>, - id: hir::HirId, + block_or_return_id: hir::HirId, expression: Option<&'tcx hir::Expr<'tcx>>, - blk_id: Option, ) -> Diag<'a> { let mut err = fcx.err_ctxt().report_mismatched_types(cause, expected, found, ty_err); - let parent_id = fcx.tcx.parent_hir_id(id); + let due_to_block = matches!(fcx.tcx.hir_node(block_or_return_id), hir::Node::Block(..)); + + let parent_id = fcx.tcx.parent_hir_id(block_or_return_id); let parent = fcx.tcx.hir_node(parent_id); if let Some(expr) = expression && let hir::Node::Expr(hir::Expr { @@ -1829,11 +1828,16 @@ impl<'tcx, 'exprs, E: AsCoercionSite> CoerceMany<'tcx, 'exprs, E> { // label pointing out the cause for the type coercion will be wrong // as prior return coercions would not be relevant (#57664). if let Some(expr) = expression - && let Some(blk_id) = blk_id + && due_to_block { fcx.suggest_missing_semicolon(&mut err, expr, expected, false); - let pointing_at_return_type = - fcx.suggest_mismatched_types_on_tail(&mut err, expr, expected, found, blk_id); + let pointing_at_return_type = fcx.suggest_mismatched_types_on_tail( + &mut err, + expr, + expected, + found, + block_or_return_id, + ); if let Some(cond_expr) = fcx.tcx.hir().get_if_cause(expr.hir_id) && expected.is_unit() && !pointing_at_return_type @@ -1857,23 +1861,17 @@ impl<'tcx, 'exprs, E: AsCoercionSite> CoerceMany<'tcx, 'exprs, E> { } }; - if let Some((fn_id, fn_decl, can_suggest)) = fcx.get_fn_decl(parent_id) { - if blk_id.is_none() { - fcx.suggest_missing_return_type( - &mut err, - fn_decl, - expected, - found, - can_suggest, - fn_id, - ); - } + if let Some((fn_id, fn_decl, can_suggest)) = fcx.get_fn_decl(parent_id) + && !due_to_block + { + fcx.suggest_missing_return_type(&mut err, fn_decl, expected, found, can_suggest, fn_id); } - let mut parent_id = fcx.tcx.hir().get_parent_item(id).def_id; + let mut parent_id = fcx.tcx.hir().get_parent_item(block_or_return_id).def_id; let mut parent_item = fcx.tcx.hir_node_by_def_id(parent_id); // When suggesting return, we need to account for closures and async blocks, not just items. - for (_, node) in fcx.tcx.hir().parent_iter(id) { + // FIXME: fix get_fn_decl to be async block aware, use get_fn_decl results above + for (_, node) in fcx.tcx.hir().parent_iter(block_or_return_id) { match node { hir::Node::Expr(&hir::Expr { kind: hir::ExprKind::Closure(hir::Closure { def_id, .. }), @@ -1888,9 +1886,18 @@ impl<'tcx, 'exprs, E: AsCoercionSite> CoerceMany<'tcx, 'exprs, E> { } } - if let (Some(expr), Some(_), Some(fn_decl)) = (expression, blk_id, parent_item.fn_decl()) { + if let Some(expr) = expression + && let Some(fn_decl) = parent_item.fn_decl() + && due_to_block + { fcx.suggest_missing_break_or_return_expr( - &mut err, expr, fn_decl, expected, found, id, parent_id, + &mut err, + expr, + fn_decl, + expected, + found, + block_or_return_id, + parent_id, ); } From b826eb219c844eaab58b76866dba397082d72fb4 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Thu, 11 Apr 2024 13:14:08 -0400 Subject: [PATCH 0336/1716] Rename confusing function name --- .../src/diagnostics/mutability_errors.rs | 2 +- compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs | 2 +- compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs | 2 +- compiler/rustc_middle/src/hir/map/mod.rs | 12 ++++++------ 4 files changed, 9 insertions(+), 9 deletions(-) diff --git a/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs b/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs index 35017b9e6b59..79b485085852 100644 --- a/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs @@ -992,7 +992,7 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { } } - if look_at_return && hir.get_return_block(closure_id).is_some() { + if look_at_return && hir.get_fn_id_for_return_block(closure_id).is_some() { // ...otherwise we are probably in the tail expression of the function, point at the // return type. match self.infcx.tcx.hir_node_by_def_id(hir.get_parent_item(fn_call_id).def_id) { diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs index 6e8ef0444521..bc934a83422f 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs @@ -944,7 +944,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ) -> Option<(LocalDefId, &'tcx hir::FnDecl<'tcx>, bool)> { // Get enclosing Fn, if it is a function or a trait method, unless there's a `loop` or // `while` before reaching it, as block tail returns are not available in them. - self.tcx.hir().get_return_block(blk_id).and_then(|blk_id| { + self.tcx.hir().get_fn_id_for_return_block(blk_id).and_then(|blk_id| { let parent = self.tcx.hir_node(blk_id); self.get_node_fn_decl(parent) .map(|(fn_id, fn_decl, _, is_main)| (fn_id, fn_decl, is_main)) diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs index 56e13cd679d4..da4b44c2fbe0 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs @@ -1909,7 +1909,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let returned = matches!( self.tcx.parent_hir_node(expr.hir_id), hir::Node::Expr(hir::Expr { kind: hir::ExprKind::Ret(_), .. }) - ) || map.get_return_block(expr.hir_id).is_some(); + ) || map.get_fn_id_for_return_block(expr.hir_id).is_some(); if returned && let ty::Adt(e, args_e) = expected.kind() && let ty::Adt(f, args_f) = found.kind() diff --git a/compiler/rustc_middle/src/hir/map/mod.rs b/compiler/rustc_middle/src/hir/map/mod.rs index 9cc6e3ad0fa3..303af8ea936e 100644 --- a/compiler/rustc_middle/src/hir/map/mod.rs +++ b/compiler/rustc_middle/src/hir/map/mod.rs @@ -511,14 +511,14 @@ impl<'hir> Map<'hir> { self.body_const_context(self.enclosing_body_owner(hir_id)).is_some() } - /// Retrieves the `HirId` for `id`'s enclosing method's body, unless there's a - /// `while` or `loop` before reaching it, as block tail returns are not - /// available in them. + /// Retrieves the `HirId` for `id`'s enclosing function *if* the `id` block or return is + /// in the "tail" position of the function, in other words if it's likely to correspond + /// to the return type of the function. /// /// ``` /// fn foo(x: usize) -> bool { /// if x == 1 { - /// true // If `get_return_block` gets passed the `id` corresponding + /// true // If `get_fn_id_for_return_block` gets passed the `id` corresponding /// } else { // to this, it will return `foo`'s `HirId`. /// false /// } @@ -528,12 +528,12 @@ impl<'hir> Map<'hir> { /// ```compile_fail,E0308 /// fn foo(x: usize) -> bool { /// loop { - /// true // If `get_return_block` gets passed the `id` corresponding + /// true // If `get_fn_id_for_return_block` gets passed the `id` corresponding /// } // to this, it will return `None`. /// false /// } /// ``` - pub fn get_return_block(self, id: HirId) -> Option { + pub fn get_fn_id_for_return_block(self, id: HirId) -> Option { let mut iter = self.parent_iter(id).peekable(); let mut ignore_tail = false; if let Node::Expr(Expr { kind: ExprKind::Ret(_), .. }) = self.tcx.hir_node(id) { From e7d6da367685ea35e11a71273da8ac6136d9243f Mon Sep 17 00:00:00 2001 From: Lzu Tao Date: Mon, 20 May 2024 00:21:06 +0000 Subject: [PATCH 0337/1716] Add codegen test for array comparision opt --- tests/codegen/array-cmp.rs | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 tests/codegen/array-cmp.rs diff --git a/tests/codegen/array-cmp.rs b/tests/codegen/array-cmp.rs new file mode 100644 index 000000000000..194c0adf1d2e --- /dev/null +++ b/tests/codegen/array-cmp.rs @@ -0,0 +1,18 @@ +// Ensure the asm for array comparisons is properly optimized. + +//@ compile-flags: -C opt-level=2 + +#![crate_type = "lib"] + +// CHECK-LABEL: @compare +// CHECK: start: +// CHECK-NEXT: ret i1 true +#[no_mangle] +pub fn compare() -> bool { + let bytes = 12.5f32.to_ne_bytes(); + bytes == if cfg!(target_endian = "big") { + [0x41, 0x48, 0x00, 0x00] + } else { + [0x00, 0x00, 0x48, 0x41] + } +} From a2a6fe7e5119f1c7e1b9bc0f57faac820532d39e Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Thu, 11 Apr 2024 13:40:16 -0400 Subject: [PATCH 0338/1716] Inline get_node_fn_decl into get_fn_decl, simplify/explain logic in report_return_mismatched_types --- compiler/rustc_hir_typeck/src/coercion.rs | 33 ++-- .../rustc_hir_typeck/src/fn_ctxt/_impl.rs | 143 +++++++++--------- .../src/fn_ctxt/suggestions.rs | 7 + compiler/rustc_middle/src/hir/map/mod.rs | 6 +- ...r-type-mismatch-in-closure-in-async.stderr | 3 + .../closure-return-type-mismatch.stderr | 3 + tests/ui/impl-trait/issue-99914.stderr | 4 +- .../try-operator-dont-suggest-semicolon.rs | 1 + ...try-operator-dont-suggest-semicolon.stderr | 17 ++- tests/ui/typeck/issue-81943.stderr | 26 ++-- 10 files changed, 123 insertions(+), 120 deletions(-) diff --git a/compiler/rustc_hir_typeck/src/coercion.rs b/compiler/rustc_hir_typeck/src/coercion.rs index 0e6764f7978f..33c24433ca34 100644 --- a/compiler/rustc_hir_typeck/src/coercion.rs +++ b/compiler/rustc_hir_typeck/src/coercion.rs @@ -1861,39 +1861,26 @@ impl<'tcx, 'exprs, E: AsCoercionSite> CoerceMany<'tcx, 'exprs, E> { } }; + // If this is due to an explicit `return`, suggest adding a return type. if let Some((fn_id, fn_decl, can_suggest)) = fcx.get_fn_decl(parent_id) && !due_to_block { fcx.suggest_missing_return_type(&mut err, fn_decl, expected, found, can_suggest, fn_id); } - let mut parent_id = fcx.tcx.hir().get_parent_item(block_or_return_id).def_id; - let mut parent_item = fcx.tcx.hir_node_by_def_id(parent_id); - // When suggesting return, we need to account for closures and async blocks, not just items. - // FIXME: fix get_fn_decl to be async block aware, use get_fn_decl results above - for (_, node) in fcx.tcx.hir().parent_iter(block_or_return_id) { - match node { - hir::Node::Expr(&hir::Expr { - kind: hir::ExprKind::Closure(hir::Closure { def_id, .. }), - .. - }) => { - parent_item = node; - parent_id = *def_id; - break; - } - hir::Node::Item(_) | hir::Node::TraitItem(_) | hir::Node::ImplItem(_) => break, - _ => {} - } - } - - if let Some(expr) = expression - && let Some(fn_decl) = parent_item.fn_decl() - && due_to_block + // If this is due to a block, then maybe we forgot a `return`/`break`. + if due_to_block + && let Some(expr) = expression + && let Some((parent_fn_decl, parent_id)) = fcx + .tcx + .hir() + .parent_iter(block_or_return_id) + .find_map(|(_, node)| Some((node.fn_decl()?, node.associated_body()?.0))) { fcx.suggest_missing_break_or_return_expr( &mut err, expr, - fn_decl, + parent_fn_decl, expected, found, block_or_return_id, diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs index bc934a83422f..76e133ddc27f 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs @@ -33,7 +33,7 @@ use rustc_middle::{bug, span_bug}; use rustc_session::lint; use rustc_span::def_id::LocalDefId; use rustc_span::hygiene::DesugaringKind; -use rustc_span::symbol::{kw, sym, Ident}; +use rustc_span::symbol::{kw, sym}; use rustc_span::Span; use rustc_target::abi::FieldIdx; use rustc_trait_selection::traits::error_reporting::TypeErrCtxtExt as _; @@ -866,76 +866,6 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ) } - /// Given a function `Node`, return its `HirId` and `FnDecl` if it exists. Given a closure - /// that is the child of a function, return that function's `HirId` and `FnDecl` instead. - /// This may seem confusing at first, but this is used in diagnostics for `async fn`, - /// for example, where most of the type checking actually happens within a nested closure, - /// but we often want access to the parent function's signature. - /// - /// Otherwise, return false. - pub(crate) fn get_node_fn_decl( - &self, - node: Node<'tcx>, - ) -> Option<(LocalDefId, &'tcx hir::FnDecl<'tcx>, Ident, bool)> { - match node { - Node::Item(&hir::Item { - ident, - kind: hir::ItemKind::Fn(ref sig, ..), - owner_id, - .. - }) => { - // This is less than ideal, it will not suggest a return type span on any - // method called `main`, regardless of whether it is actually the entry point, - // but it will still present it as the reason for the expected type. - Some((owner_id.def_id, &sig.decl, ident, ident.name != sym::main)) - } - Node::TraitItem(&hir::TraitItem { - ident, - kind: hir::TraitItemKind::Fn(ref sig, ..), - owner_id, - .. - }) => Some((owner_id.def_id, &sig.decl, ident, true)), - Node::ImplItem(&hir::ImplItem { - ident, - kind: hir::ImplItemKind::Fn(ref sig, ..), - owner_id, - .. - }) => Some((owner_id.def_id, &sig.decl, ident, false)), - Node::Expr(&hir::Expr { - hir_id, - kind: - hir::ExprKind::Closure(hir::Closure { - kind: hir::ClosureKind::Coroutine(..), .. - }), - .. - }) => { - let (ident, sig, owner_id) = match self.tcx.parent_hir_node(hir_id) { - Node::Item(&hir::Item { - ident, - kind: hir::ItemKind::Fn(ref sig, ..), - owner_id, - .. - }) => (ident, sig, owner_id), - Node::TraitItem(&hir::TraitItem { - ident, - kind: hir::TraitItemKind::Fn(ref sig, ..), - owner_id, - .. - }) => (ident, sig, owner_id), - Node::ImplItem(&hir::ImplItem { - ident, - kind: hir::ImplItemKind::Fn(ref sig, ..), - owner_id, - .. - }) => (ident, sig, owner_id), - _ => return None, - }; - Some((owner_id.def_id, &sig.decl, ident, ident.name != sym::main)) - } - _ => None, - } - } - /// Given a `HirId`, return the `HirId` of the enclosing function, its `FnDecl`, and whether a /// suggestion can be made, `None` otherwise. pub fn get_fn_decl( @@ -944,10 +874,73 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ) -> Option<(LocalDefId, &'tcx hir::FnDecl<'tcx>, bool)> { // Get enclosing Fn, if it is a function or a trait method, unless there's a `loop` or // `while` before reaching it, as block tail returns are not available in them. - self.tcx.hir().get_fn_id_for_return_block(blk_id).and_then(|blk_id| { - let parent = self.tcx.hir_node(blk_id); - self.get_node_fn_decl(parent) - .map(|(fn_id, fn_decl, _, is_main)| (fn_id, fn_decl, is_main)) + self.tcx.hir().get_fn_id_for_return_block(blk_id).and_then(|item_id| { + match self.tcx.hir_node(item_id) { + Node::Item(&hir::Item { + ident, + kind: hir::ItemKind::Fn(ref sig, ..), + owner_id, + .. + }) => { + // This is less than ideal, it will not suggest a return type span on any + // method called `main`, regardless of whether it is actually the entry point, + // but it will still present it as the reason for the expected type. + Some((owner_id.def_id, sig.decl, ident.name != sym::main)) + } + Node::TraitItem(&hir::TraitItem { + kind: hir::TraitItemKind::Fn(ref sig, ..), + owner_id, + .. + }) => Some((owner_id.def_id, sig.decl, true)), + // FIXME: Suggestable if this is not a trait implementation + Node::ImplItem(&hir::ImplItem { + kind: hir::ImplItemKind::Fn(ref sig, ..), + owner_id, + .. + }) => Some((owner_id.def_id, sig.decl, false)), + Node::Expr(&hir::Expr { + hir_id, + kind: hir::ExprKind::Closure(&hir::Closure { def_id, kind, fn_decl, .. }), + .. + }) => { + match kind { + hir::ClosureKind::CoroutineClosure(_) => { + // FIXME(async_closures): Implement this. + return None; + } + hir::ClosureKind::Closure => Some((def_id, fn_decl, true)), + hir::ClosureKind::Coroutine(hir::CoroutineKind::Desugared( + _, + hir::CoroutineSource::Fn, + )) => { + let (ident, sig, owner_id) = match self.tcx.parent_hir_node(hir_id) { + Node::Item(&hir::Item { + ident, + kind: hir::ItemKind::Fn(ref sig, ..), + owner_id, + .. + }) => (ident, sig, owner_id), + Node::TraitItem(&hir::TraitItem { + ident, + kind: hir::TraitItemKind::Fn(ref sig, ..), + owner_id, + .. + }) => (ident, sig, owner_id), + Node::ImplItem(&hir::ImplItem { + ident, + kind: hir::ImplItemKind::Fn(ref sig, ..), + owner_id, + .. + }) => (ident, sig, owner_id), + _ => return None, + }; + Some((owner_id.def_id, sig.decl, ident.name != sym::main)) + } + _ => None, + } + } + _ => None, + } }) } diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs index da4b44c2fbe0..cfd4dd4d1dd0 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs @@ -800,6 +800,13 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { can_suggest: bool, fn_id: LocalDefId, ) -> bool { + // Can't suggest `->` on a block-like coroutine + if let Some(hir::CoroutineKind::Desugared(_, hir::CoroutineSource::Block)) = + self.tcx.coroutine_kind(fn_id) + { + return false; + } + let found = self.resolve_numeric_literals_with_default(self.resolve_vars_if_possible(found)); // Only suggest changing the return type for methods that diff --git a/compiler/rustc_middle/src/hir/map/mod.rs b/compiler/rustc_middle/src/hir/map/mod.rs index 303af8ea936e..f3f24f771770 100644 --- a/compiler/rustc_middle/src/hir/map/mod.rs +++ b/compiler/rustc_middle/src/hir/map/mod.rs @@ -549,7 +549,11 @@ impl<'hir> Map<'hir> { Node::Block(Block { expr: None, .. }) => return None, // The current node is not the tail expression of its parent. Node::Block(Block { expr: Some(e), .. }) if hir_id != e.hir_id => return None, - Node::Block(Block { expr: Some(e), ..}) if matches!(e.kind, ExprKind::If(_, _, None)) => return None, + Node::Block(Block { expr: Some(e), .. }) + if matches!(e.kind, ExprKind::If(_, _, None)) => + { + return None; + } _ => {} } } diff --git a/tests/ui/async-await/dont-ice-for-type-mismatch-in-closure-in-async.stderr b/tests/ui/async-await/dont-ice-for-type-mismatch-in-closure-in-async.stderr index 70cd9f924ac5..649a868faa5e 100644 --- a/tests/ui/async-await/dont-ice-for-type-mismatch-in-closure-in-async.stderr +++ b/tests/ui/async-await/dont-ice-for-type-mismatch-in-closure-in-async.stderr @@ -11,6 +11,9 @@ LL | | } error[E0308]: mismatched types --> $DIR/dont-ice-for-type-mismatch-in-closure-in-async.rs:12:9 | +LL | call(|| -> Option<()> { + | ---------- expected `Option<()>` because of return type +... LL | true | ^^^^ expected `Option<()>`, found `bool` | diff --git a/tests/ui/closures/closure-return-type-mismatch.stderr b/tests/ui/closures/closure-return-type-mismatch.stderr index 3a89d30a05d2..3a2f098d1efb 100644 --- a/tests/ui/closures/closure-return-type-mismatch.stderr +++ b/tests/ui/closures/closure-return-type-mismatch.stderr @@ -13,6 +13,9 @@ LL | return "test"; error[E0308]: mismatched types --> $DIR/closure-return-type-mismatch.rs:12:20 | +LL | || -> bool { + | ---- expected `bool` because of return type +LL | if false { LL | return "hello" | ^^^^^^^ expected `bool`, found `&str` diff --git a/tests/ui/impl-trait/issue-99914.stderr b/tests/ui/impl-trait/issue-99914.stderr index 06e85e521d22..8adb211745a3 100644 --- a/tests/ui/impl-trait/issue-99914.stderr +++ b/tests/ui/impl-trait/issue-99914.stderr @@ -2,7 +2,9 @@ error[E0308]: mismatched types --> $DIR/issue-99914.rs:9:27 | LL | t.and_then(|t| -> _ { bar(t) }); - | ^^^^^^ expected `Result<_, Error>`, found future + | - ^^^^^^ expected `Result<_, Error>`, found future + | | + | expected `Result<_, Error>` because of return type | help: try wrapping the expression in `Ok` | diff --git a/tests/ui/suggestions/try-operator-dont-suggest-semicolon.rs b/tests/ui/suggestions/try-operator-dont-suggest-semicolon.rs index f882a159f983..35a06d396f2b 100644 --- a/tests/ui/suggestions/try-operator-dont-suggest-semicolon.rs +++ b/tests/ui/suggestions/try-operator-dont-suggest-semicolon.rs @@ -3,6 +3,7 @@ fn main() -> Result<(), ()> { a(|| { + //~^ HELP: try adding a return type b() //~^ ERROR: mismatched types [E0308] //~| NOTE: expected `()`, found `i32` diff --git a/tests/ui/suggestions/try-operator-dont-suggest-semicolon.stderr b/tests/ui/suggestions/try-operator-dont-suggest-semicolon.stderr index 939285498fb6..5506456afe9c 100644 --- a/tests/ui/suggestions/try-operator-dont-suggest-semicolon.stderr +++ b/tests/ui/suggestions/try-operator-dont-suggest-semicolon.stderr @@ -1,13 +1,20 @@ error[E0308]: mismatched types - --> $DIR/try-operator-dont-suggest-semicolon.rs:6:9 + --> $DIR/try-operator-dont-suggest-semicolon.rs:7:9 | LL | b() - | ^^^- help: consider using a semicolon here: `;` - | | - | expected `()`, found `i32` + | ^^^ expected `()`, found `i32` + | +help: consider using a semicolon here + | +LL | b(); + | + +help: try adding a return type + | +LL | a(|| -> i32 { + | ++++++ error[E0308]: mismatched types - --> $DIR/try-operator-dont-suggest-semicolon.rs:16:9 + --> $DIR/try-operator-dont-suggest-semicolon.rs:17:9 | LL | / if true { LL | | diff --git a/tests/ui/typeck/issue-81943.stderr b/tests/ui/typeck/issue-81943.stderr index 041ff10752cf..f8da9ef0d180 100644 --- a/tests/ui/typeck/issue-81943.stderr +++ b/tests/ui/typeck/issue-81943.stderr @@ -2,7 +2,9 @@ error[E0308]: mismatched types --> $DIR/issue-81943.rs:7:9 | LL | f(|x| lib::d!(x)); - | ^^^^^^^^^^ expected `()`, found `i32` + | -^^^^^^^^^^ expected `()`, found `i32` + | | + | help: try adding a return type: `-> i32` | = note: this error originates in the macro `lib::d` (in Nightly builds, run with -Z macro-backtrace for more info) @@ -10,28 +12,22 @@ error[E0308]: mismatched types --> $DIR/issue-81943.rs:8:28 | LL | f(|x| match x { tmp => { g(tmp) } }); - | -------------------^^^^^^---- - | | | - | | expected `()`, found `i32` - | expected this to be `()` + | ^^^^^^ expected `()`, found `i32` | help: consider using a semicolon here | LL | f(|x| match x { tmp => { g(tmp); } }); | + -help: consider using a semicolon here +help: try adding a return type | -LL | f(|x| match x { tmp => { g(tmp) } };); - | + +LL | f(|x| -> i32 match x { tmp => { g(tmp) } }); + | ++++++ error[E0308]: mismatched types --> $DIR/issue-81943.rs:10:38 | LL | ($e:expr) => { match $e { x => { g(x) } } } - | ------------------^^^^---- - | | | - | | expected `()`, found `i32` - | expected this to be `()` + | ^^^^ expected `()`, found `i32` LL | } LL | f(|x| d!(x)); | ----- in this macro invocation @@ -41,10 +37,10 @@ help: consider using a semicolon here | LL | ($e:expr) => { match $e { x => { g(x); } } } | + -help: consider using a semicolon here +help: try adding a return type | -LL | ($e:expr) => { match $e { x => { g(x) } }; } - | + +LL | f(|x| -> i32 d!(x)); + | ++++++ error: aborting due to 3 previous errors From 95c47d3396c324b32ffaedc2681a370107aeb6be Mon Sep 17 00:00:00 2001 From: Oneirical Date: Mon, 20 May 2024 21:30:48 -0400 Subject: [PATCH 0339/1716] simplify --- tests/run-make/no-intermediate-extras/rmake.rs | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-) diff --git a/tests/run-make/no-intermediate-extras/rmake.rs b/tests/run-make/no-intermediate-extras/rmake.rs index bc82b18c4cfa..19479e3bd5b5 100644 --- a/tests/run-make/no-intermediate-extras/rmake.rs +++ b/tests/run-make/no-intermediate-extras/rmake.rs @@ -10,13 +10,8 @@ use std::fs; fn main() { rustc().crate_type("rlib").arg("--test").input("foo.rs").run(); - match fs::remove_file(tmp_dir().join("foo.bc")) { - Ok(_) => { - println!("An unwanted .bc file was created by run-make/no-intermediate-extras."); - std::process::exit(1); - } - Err(e) => { - std::process::exit(0); - } - } + assert!( + fs::remove_file(tmp_dir().join("foo.bc")).is_err(), + "An unwanted .bc file was created by run-make/no-intermediate-extras." + ); } From d89500843caf666998619bbc0c88d5857726963d Mon Sep 17 00:00:00 2001 From: Jubilee Young Date: Sun, 19 May 2024 16:11:46 -0700 Subject: [PATCH 0340/1716] Move 100 entries from tests/ui into subdirs - Move super-fast-paren-parsing test into ui/parser - Move stmt_expr_attrs test into ui/feature-gates - Move macro tests into ui/macros - Move global_asm tests into ui/asm - Move env tests into ui/process - Move xcrate tests into ui/cross-crate - Move unop tests into ui/unop - Move backtrace tests into ui/backtrace - Move check-static tests into ui/statics - Move expr tests into ui/expr - Move optimization fuel tests into ui/fuel - Move ffi attribute tests into ui/ffi-attrs - Move suggestion tests into ui/suggestions - Move main tests into ui/fn-main - Move lint tests into ui/lint - Move repr tests into ui/repr - Move intrinsics tests into ui/intrinsics - Move tool lint tests into ui/tool-attributes - Move return tests into ui/return - Move pattern tests into ui/patttern - Move range tests into ui/range - Move foreign-fn tests into ui/foreign - Move orphan-check tests into ui/coherence - Move inference tests into ui/inference - Reduce ROOT_ENTRY_LIMIT --- src/tools/tidy/src/ui_tests.rs | 2 +- tests/ui/{ => asm}/empty_global_asm.rs | 0 tests/ui/{ => asm}/simple_global_asm.rs | 0 .../apple-no-dsymutil.rs} | 0 .../auxiliary/dylib-dep-helper-aux.rs | 0 .../auxiliary/dylib-dep-helper.rs | 0 .../auxiliary/line-tables-only-helper.rs | 0 tests/ui/{ => backtrace}/backtrace.rs | 0 .../dylib-dep.rs} | 0 .../line-tables-only.rs} | 0 tests/ui/{ => backtrace}/std-backtrace.rs | 0 .../auxiliary/orphan-check-diagnostics.rs | 0 .../orphan-check-diagnostics.rs | 0 .../orphan-check-diagnostics.stderr | 0 ...ignificant.rs => address-insignificant.rs} | 0 ...efaults.rs => associated-type-defaults.rs} | 0 .../auxiliary/static_priv_by_default.rs | 0 .../auxiliary/xcrate_unit_struct.rs | 0 ..._return.rs => generic_fn_nested_return.rs} | 0 .../private-by-default.rs} | 0 .../private-by-default.stderr} | 20 +++++------ ...tatic-addresses.rs => static-addresses.rs} | 0 ...etime-param.rs => trait-lifetime-param.rs} | 0 .../unit-struct-2.rs} | 0 .../unit-struct.rs} | 0 .../unit-struct.stderr} | 4 +-- .../ui/{expr-block-fn.rs => expr/block-fn.rs} | 0 .../block-generic.rs} | 0 tests/ui/{expr-block.rs => expr/block.rs} | 0 tests/ui/{expr-copy.rs => expr/copy.rs} | 0 .../if-generic.rs} | 0 .../if-panic-all.rs} | 0 tests/ui/{expr-scope.rs => expr/scope.rs} | 0 .../stmt_expr_attrs_no_feature.rs | 0 .../stmt_expr_attrs_no_feature.stderr | 0 tests/ui/{ => ffi-attrs}/ffi_const.rs | 0 tests/ui/{ => ffi-attrs}/ffi_const.stderr | 0 tests/ui/{ => ffi-attrs}/ffi_const2.rs | 0 tests/ui/{ => ffi-attrs}/ffi_const2.stderr | 0 tests/ui/{ => ffi-attrs}/ffi_pure.rs | 0 tests/ui/{ => ffi-attrs}/ffi_pure.stderr | 0 .../wrong-location.rs} | 0 .../wrong-location.stderr} | 8 ++--- .../wrong-type.rs} | 0 .../wrong-type.stderr} | 2 +- .../foreign-fn-return-lifetime.rs | 0 .../foreign-fn-return-lifetime.stderr | 0 tests/ui/{ => fuel}/optimization-fuel-0.rs | 0 .../ui/{ => fuel}/optimization-fuel-0.stderr | 0 tests/ui/{ => fuel}/optimization-fuel-1.rs | 0 .../ui/{ => fuel}/optimization-fuel-1.stderr | 0 tests/ui/{print-fuel => fuel}/print-fuel.rs | 0 .../ui/{print-fuel => fuel}/print-fuel.stderr | 0 .../ui/{ => inference}/infer-fn-tail-expr.rs | 0 .../lambda-infer-unresolved.rs | 0 .../order-dependent-cast-inference.rs | 0 .../order-dependent-cast-inference.stderr | 0 .../always-extern.rs} | 0 .../always-extern.stderr} | 8 ++--- tests/ui/{ => intrinsics}/reify-intrinsic.rs | 0 .../{ => intrinsics}/reify-intrinsic.stderr | 0 .../group-denied-lint-allowed.rs} | 0 .../group-forbid-always-trumps-cli.rs} | 0 .../group-forbid-always-trumps-cli.stderr} | 2 +- .../unknown-lints-at-crate-level.rs} | 0 tests/ui/{ => macros}/compile_error_macro.rs | 0 .../{ => macros}/compile_error_macro.stderr | 0 .../module-macro_use-arguments.rs | 0 .../module-macro_use-arguments.stderr | 0 .../{ => macros}/no-patterns-in-args-macro.rs | 0 .../no-patterns-in-args-macro.stderr | 0 .../{ => parser}/super-fast-paren-parsing.rs | 5 +-- .../{ => pattern}/by-move-pattern-binding.rs | 0 .../by-move-pattern-binding.stderr | 0 tests/ui/{ => pattern}/fn-in-pat.rs | 0 tests/ui/{ => pattern}/fn-in-pat.stderr | 0 tests/ui/{ => pattern}/inc-range-pat.rs | 0 .../ui/{ => pattern}/no-patterns-in-args-2.rs | 0 .../no-patterns-in-args-2.stderr | 0 tests/ui/{ => pattern}/no-patterns-in-args.rs | 0 .../{ => pattern}/no-patterns-in-args.stderr | 0 .../env-args-reverse-iterator.rs | 0 tests/ui/{ => process}/env-funky-keys.rs | 0 tests/ui/{ => process}/env-null-vars.rs | 0 tests/ui/{ => process}/env-vars.rs | 0 tests/ui/{ => process}/exec-env.rs | 0 tests/ui/{ => process}/inherit-env.rs | 0 tests/ui/{ => range}/impossible_range.fixed | 0 tests/ui/{ => range}/impossible_range.rs | 0 tests/ui/{ => range}/impossible_range.stderr | 0 tests/ui/{ => range}/range_inclusive.rs | 0 tests/ui/{ => repr}/conflicting-repr-hints.rs | 0 .../{ => repr}/conflicting-repr-hints.stderr | 0 tests/ui/{ => return}/ret-bang.rs | 0 tests/ui/{ => return}/ret-non-nil.rs | 0 tests/ui/{ => return}/ret-non-nil.stderr | 0 .../{ => return}/return-disjoint-regions.rs | 0 .../return-disjoint-regions.stderr | 0 tests/ui/{ => return}/return-nil.rs | 0 .../check_static_recursion_foreign_helper.rs | 0 .../check-immutable-mut-slices.rs} | 0 .../check-immutable-mut-slices.stderr} | 2 +- .../check-recursion-foreign.rs} | 0 .../check-values-constraints.rs} | 0 .../check-values-constraints.stderr} | 34 +++++++++---------- .../dont-suggest-private-trait-method.rs | 0 .../dont-suggest-private-trait-method.stderr | 0 .../{ => suggestions}/suggest-null-ptr.fixed | 0 .../ui/{ => suggestions}/suggest-null-ptr.rs | 0 .../{ => suggestions}/suggest-null-ptr.stderr | 0 .../trait-impl-bound-suggestions.fixed | 0 .../trait-impl-bound-suggestions.rs | 0 .../trait-impl-bound-suggestions.stderr | 0 .../{ => tool-attributes}/tool_lints-fail.rs | 0 .../tool_lints-fail.stderr | 0 .../{ => tool-attributes}/tool_lints-rpass.rs | 0 tests/ui/{ => tool-attributes}/tool_lints.rs | 0 .../{ => tool-attributes}/tool_lints.stderr | 0 .../tool_lints_2018_preview.rs | 0 .../unknown-lint-tool-name.rs | 0 .../unknown-lint-tool-name.stderr | 0 .../unknown-tool-name.rs | 0 .../unknown-tool-name.stderr | 0 tests/ui/{ => unop}/unop-move-semantics.rs | 0 .../ui/{ => unop}/unop-move-semantics.stderr | 0 tests/ui/{ => unop}/unop-neg-bool.rs | 0 tests/ui/{ => unop}/unop-neg-bool.stderr | 0 127 files changed, 42 insertions(+), 45 deletions(-) rename tests/ui/{ => asm}/empty_global_asm.rs (100%) rename tests/ui/{ => asm}/simple_global_asm.rs (100%) rename tests/ui/{backtrace-apple-no-dsymutil.rs => backtrace/apple-no-dsymutil.rs} (100%) rename tests/ui/{debuginfo => backtrace}/auxiliary/dylib-dep-helper-aux.rs (100%) rename tests/ui/{debuginfo => backtrace}/auxiliary/dylib-dep-helper.rs (100%) rename tests/ui/{debuginfo => backtrace}/auxiliary/line-tables-only-helper.rs (100%) rename tests/ui/{ => backtrace}/backtrace.rs (100%) rename tests/ui/{debuginfo/backtrace-dylib-dep.rs => backtrace/dylib-dep.rs} (100%) rename tests/ui/{debuginfo/backtrace-line-tables-only.rs => backtrace/line-tables-only.rs} (100%) rename tests/ui/{ => backtrace}/std-backtrace.rs (100%) rename tests/ui/{ => coherence}/auxiliary/orphan-check-diagnostics.rs (100%) rename tests/ui/{ => coherence}/orphan-check-diagnostics.rs (100%) rename tests/ui/{ => coherence}/orphan-check-diagnostics.stderr (100%) rename tests/ui/cross-crate/{xcrate-address-insignificant.rs => address-insignificant.rs} (100%) rename tests/ui/cross-crate/{xcrate-associated-type-defaults.rs => associated-type-defaults.rs} (100%) rename tests/ui/{xcrate => cross-crate}/auxiliary/static_priv_by_default.rs (100%) rename tests/ui/{xcrate => cross-crate}/auxiliary/xcrate_unit_struct.rs (100%) rename tests/ui/cross-crate/{xcrate_generic_fn_nested_return.rs => generic_fn_nested_return.rs} (100%) rename tests/ui/{xcrate/xcrate-private-by-default.rs => cross-crate/private-by-default.rs} (100%) rename tests/ui/{xcrate/xcrate-private-by-default.stderr => cross-crate/private-by-default.stderr} (88%) rename tests/ui/cross-crate/{xcrate-static-addresses.rs => static-addresses.rs} (100%) rename tests/ui/cross-crate/{xcrate-trait-lifetime-param.rs => trait-lifetime-param.rs} (100%) rename tests/ui/{xcrate/xcrate-unit-struct-2.rs => cross-crate/unit-struct-2.rs} (100%) rename tests/ui/{xcrate/xcrate-unit-struct.rs => cross-crate/unit-struct.rs} (100%) rename tests/ui/{xcrate/xcrate-unit-struct.stderr => cross-crate/unit-struct.stderr} (92%) rename tests/ui/{expr-block-fn.rs => expr/block-fn.rs} (100%) rename tests/ui/{expr-block-generic.rs => expr/block-generic.rs} (100%) rename tests/ui/{expr-block.rs => expr/block.rs} (100%) rename tests/ui/{expr-copy.rs => expr/copy.rs} (100%) rename tests/ui/{expr-if-generic.rs => expr/if-generic.rs} (100%) rename tests/ui/{expr-if-panic-all.rs => expr/if-panic-all.rs} (100%) rename tests/ui/{expr-scope.rs => expr/scope.rs} (100%) rename tests/ui/{ => feature-gates}/stmt_expr_attrs_no_feature.rs (100%) rename tests/ui/{ => feature-gates}/stmt_expr_attrs_no_feature.stderr (100%) rename tests/ui/{ => ffi-attrs}/ffi_const.rs (100%) rename tests/ui/{ => ffi-attrs}/ffi_const.stderr (100%) rename tests/ui/{ => ffi-attrs}/ffi_const2.rs (100%) rename tests/ui/{ => ffi-attrs}/ffi_const2.stderr (100%) rename tests/ui/{ => ffi-attrs}/ffi_pure.rs (100%) rename tests/ui/{ => ffi-attrs}/ffi_pure.stderr (100%) rename tests/ui/{main-wrong-location.rs => fn-main/wrong-location.rs} (100%) rename tests/ui/{main-wrong-location.stderr => fn-main/wrong-location.stderr} (70%) rename tests/ui/{main-wrong-type.rs => fn-main/wrong-type.rs} (100%) rename tests/ui/{main-wrong-type.stderr => fn-main/wrong-type.stderr} (90%) rename tests/ui/{ => foreign}/foreign-fn-return-lifetime.rs (100%) rename tests/ui/{ => foreign}/foreign-fn-return-lifetime.stderr (100%) rename tests/ui/{ => fuel}/optimization-fuel-0.rs (100%) rename tests/ui/{ => fuel}/optimization-fuel-0.stderr (100%) rename tests/ui/{ => fuel}/optimization-fuel-1.rs (100%) rename tests/ui/{ => fuel}/optimization-fuel-1.stderr (100%) rename tests/ui/{print-fuel => fuel}/print-fuel.rs (100%) rename tests/ui/{print-fuel => fuel}/print-fuel.stderr (100%) rename tests/ui/{ => inference}/infer-fn-tail-expr.rs (100%) rename tests/ui/{ => inference}/lambda-infer-unresolved.rs (100%) rename tests/ui/{ => inference}/order-dependent-cast-inference.rs (100%) rename tests/ui/{ => inference}/order-dependent-cast-inference.stderr (100%) rename tests/ui/{intrinsics-always-extern.rs => intrinsics/always-extern.rs} (100%) rename tests/ui/{intrinsics-always-extern.stderr => intrinsics/always-extern.stderr} (83%) rename tests/ui/{ => intrinsics}/reify-intrinsic.rs (100%) rename tests/ui/{ => intrinsics}/reify-intrinsic.stderr (100%) rename tests/ui/{lint-group-denied-lint-allowed.rs => lint/group-denied-lint-allowed.rs} (100%) rename tests/ui/{lint-group-forbid-always-trumps-cli.rs => lint/group-forbid-always-trumps-cli.rs} (100%) rename tests/ui/{lint-group-forbid-always-trumps-cli.stderr => lint/group-forbid-always-trumps-cli.stderr} (84%) rename tests/ui/{lint-unknown-lints-at-crate-level.rs => lint/unknown-lints-at-crate-level.rs} (100%) rename tests/ui/{ => macros}/compile_error_macro.rs (100%) rename tests/ui/{ => macros}/compile_error_macro.stderr (100%) rename tests/ui/{ => macros}/module-macro_use-arguments.rs (100%) rename tests/ui/{ => macros}/module-macro_use-arguments.stderr (100%) rename tests/ui/{ => macros}/no-patterns-in-args-macro.rs (100%) rename tests/ui/{ => macros}/no-patterns-in-args-macro.stderr (100%) rename tests/ui/{ => parser}/super-fast-paren-parsing.rs (82%) rename tests/ui/{ => pattern}/by-move-pattern-binding.rs (100%) rename tests/ui/{ => pattern}/by-move-pattern-binding.stderr (100%) rename tests/ui/{ => pattern}/fn-in-pat.rs (100%) rename tests/ui/{ => pattern}/fn-in-pat.stderr (100%) rename tests/ui/{ => pattern}/inc-range-pat.rs (100%) rename tests/ui/{ => pattern}/no-patterns-in-args-2.rs (100%) rename tests/ui/{ => pattern}/no-patterns-in-args-2.stderr (100%) rename tests/ui/{ => pattern}/no-patterns-in-args.rs (100%) rename tests/ui/{ => pattern}/no-patterns-in-args.stderr (100%) rename tests/ui/{ => process}/env-args-reverse-iterator.rs (100%) rename tests/ui/{ => process}/env-funky-keys.rs (100%) rename tests/ui/{ => process}/env-null-vars.rs (100%) rename tests/ui/{ => process}/env-vars.rs (100%) rename tests/ui/{ => process}/exec-env.rs (100%) rename tests/ui/{ => process}/inherit-env.rs (100%) rename tests/ui/{ => range}/impossible_range.fixed (100%) rename tests/ui/{ => range}/impossible_range.rs (100%) rename tests/ui/{ => range}/impossible_range.stderr (100%) rename tests/ui/{ => range}/range_inclusive.rs (100%) rename tests/ui/{ => repr}/conflicting-repr-hints.rs (100%) rename tests/ui/{ => repr}/conflicting-repr-hints.stderr (100%) rename tests/ui/{ => return}/ret-bang.rs (100%) rename tests/ui/{ => return}/ret-non-nil.rs (100%) rename tests/ui/{ => return}/ret-non-nil.stderr (100%) rename tests/ui/{ => return}/return-disjoint-regions.rs (100%) rename tests/ui/{ => return}/return-disjoint-regions.stderr (100%) rename tests/ui/{ => return}/return-nil.rs (100%) rename tests/ui/{ => statics}/auxiliary/check_static_recursion_foreign_helper.rs (100%) rename tests/ui/{check-static-immutable-mut-slices.rs => statics/check-immutable-mut-slices.rs} (100%) rename tests/ui/{check-static-immutable-mut-slices.stderr => statics/check-immutable-mut-slices.stderr} (84%) rename tests/ui/{check-static-recursion-foreign.rs => statics/check-recursion-foreign.rs} (100%) rename tests/ui/{check-static-values-constraints.rs => statics/check-values-constraints.rs} (100%) rename tests/ui/{check-static-values-constraints.stderr => statics/check-values-constraints.stderr} (88%) rename tests/ui/{ => suggestions}/dont-suggest-private-trait-method.rs (100%) rename tests/ui/{ => suggestions}/dont-suggest-private-trait-method.stderr (100%) rename tests/ui/{ => suggestions}/suggest-null-ptr.fixed (100%) rename tests/ui/{ => suggestions}/suggest-null-ptr.rs (100%) rename tests/ui/{ => suggestions}/suggest-null-ptr.stderr (100%) rename tests/ui/{ => suggestions}/trait-impl-bound-suggestions.fixed (100%) rename tests/ui/{ => suggestions}/trait-impl-bound-suggestions.rs (100%) rename tests/ui/{ => suggestions}/trait-impl-bound-suggestions.stderr (100%) rename tests/ui/{ => tool-attributes}/tool_lints-fail.rs (100%) rename tests/ui/{ => tool-attributes}/tool_lints-fail.stderr (100%) rename tests/ui/{ => tool-attributes}/tool_lints-rpass.rs (100%) rename tests/ui/{ => tool-attributes}/tool_lints.rs (100%) rename tests/ui/{ => tool-attributes}/tool_lints.stderr (100%) rename tests/ui/{ => tool-attributes}/tool_lints_2018_preview.rs (100%) rename tests/ui/{ => tool-attributes}/unknown-lint-tool-name.rs (100%) rename tests/ui/{ => tool-attributes}/unknown-lint-tool-name.stderr (100%) rename tests/ui/{ => tool-attributes}/unknown-tool-name.rs (100%) rename tests/ui/{ => tool-attributes}/unknown-tool-name.stderr (100%) rename tests/ui/{ => unop}/unop-move-semantics.rs (100%) rename tests/ui/{ => unop}/unop-move-semantics.stderr (100%) rename tests/ui/{ => unop}/unop-neg-bool.rs (100%) rename tests/ui/{ => unop}/unop-neg-bool.stderr (100%) diff --git a/src/tools/tidy/src/ui_tests.rs b/src/tools/tidy/src/ui_tests.rs index 6e92dab1abc1..e1c6c9a2dacd 100644 --- a/src/tools/tidy/src/ui_tests.rs +++ b/src/tools/tidy/src/ui_tests.rs @@ -16,7 +16,7 @@ const ENTRY_LIMIT: usize = 900; // FIXME: The following limits should be reduced eventually. const ISSUES_ENTRY_LIMIT: usize = 1676; -const ROOT_ENTRY_LIMIT: usize = 859; +const ROOT_ENTRY_LIMIT: usize = 757; const EXPECTED_TEST_FILE_EXTENSIONS: &[&str] = &[ "rs", // test source files diff --git a/tests/ui/empty_global_asm.rs b/tests/ui/asm/empty_global_asm.rs similarity index 100% rename from tests/ui/empty_global_asm.rs rename to tests/ui/asm/empty_global_asm.rs diff --git a/tests/ui/simple_global_asm.rs b/tests/ui/asm/simple_global_asm.rs similarity index 100% rename from tests/ui/simple_global_asm.rs rename to tests/ui/asm/simple_global_asm.rs diff --git a/tests/ui/backtrace-apple-no-dsymutil.rs b/tests/ui/backtrace/apple-no-dsymutil.rs similarity index 100% rename from tests/ui/backtrace-apple-no-dsymutil.rs rename to tests/ui/backtrace/apple-no-dsymutil.rs diff --git a/tests/ui/debuginfo/auxiliary/dylib-dep-helper-aux.rs b/tests/ui/backtrace/auxiliary/dylib-dep-helper-aux.rs similarity index 100% rename from tests/ui/debuginfo/auxiliary/dylib-dep-helper-aux.rs rename to tests/ui/backtrace/auxiliary/dylib-dep-helper-aux.rs diff --git a/tests/ui/debuginfo/auxiliary/dylib-dep-helper.rs b/tests/ui/backtrace/auxiliary/dylib-dep-helper.rs similarity index 100% rename from tests/ui/debuginfo/auxiliary/dylib-dep-helper.rs rename to tests/ui/backtrace/auxiliary/dylib-dep-helper.rs diff --git a/tests/ui/debuginfo/auxiliary/line-tables-only-helper.rs b/tests/ui/backtrace/auxiliary/line-tables-only-helper.rs similarity index 100% rename from tests/ui/debuginfo/auxiliary/line-tables-only-helper.rs rename to tests/ui/backtrace/auxiliary/line-tables-only-helper.rs diff --git a/tests/ui/backtrace.rs b/tests/ui/backtrace/backtrace.rs similarity index 100% rename from tests/ui/backtrace.rs rename to tests/ui/backtrace/backtrace.rs diff --git a/tests/ui/debuginfo/backtrace-dylib-dep.rs b/tests/ui/backtrace/dylib-dep.rs similarity index 100% rename from tests/ui/debuginfo/backtrace-dylib-dep.rs rename to tests/ui/backtrace/dylib-dep.rs diff --git a/tests/ui/debuginfo/backtrace-line-tables-only.rs b/tests/ui/backtrace/line-tables-only.rs similarity index 100% rename from tests/ui/debuginfo/backtrace-line-tables-only.rs rename to tests/ui/backtrace/line-tables-only.rs diff --git a/tests/ui/std-backtrace.rs b/tests/ui/backtrace/std-backtrace.rs similarity index 100% rename from tests/ui/std-backtrace.rs rename to tests/ui/backtrace/std-backtrace.rs diff --git a/tests/ui/auxiliary/orphan-check-diagnostics.rs b/tests/ui/coherence/auxiliary/orphan-check-diagnostics.rs similarity index 100% rename from tests/ui/auxiliary/orphan-check-diagnostics.rs rename to tests/ui/coherence/auxiliary/orphan-check-diagnostics.rs diff --git a/tests/ui/orphan-check-diagnostics.rs b/tests/ui/coherence/orphan-check-diagnostics.rs similarity index 100% rename from tests/ui/orphan-check-diagnostics.rs rename to tests/ui/coherence/orphan-check-diagnostics.rs diff --git a/tests/ui/orphan-check-diagnostics.stderr b/tests/ui/coherence/orphan-check-diagnostics.stderr similarity index 100% rename from tests/ui/orphan-check-diagnostics.stderr rename to tests/ui/coherence/orphan-check-diagnostics.stderr diff --git a/tests/ui/cross-crate/xcrate-address-insignificant.rs b/tests/ui/cross-crate/address-insignificant.rs similarity index 100% rename from tests/ui/cross-crate/xcrate-address-insignificant.rs rename to tests/ui/cross-crate/address-insignificant.rs diff --git a/tests/ui/cross-crate/xcrate-associated-type-defaults.rs b/tests/ui/cross-crate/associated-type-defaults.rs similarity index 100% rename from tests/ui/cross-crate/xcrate-associated-type-defaults.rs rename to tests/ui/cross-crate/associated-type-defaults.rs diff --git a/tests/ui/xcrate/auxiliary/static_priv_by_default.rs b/tests/ui/cross-crate/auxiliary/static_priv_by_default.rs similarity index 100% rename from tests/ui/xcrate/auxiliary/static_priv_by_default.rs rename to tests/ui/cross-crate/auxiliary/static_priv_by_default.rs diff --git a/tests/ui/xcrate/auxiliary/xcrate_unit_struct.rs b/tests/ui/cross-crate/auxiliary/xcrate_unit_struct.rs similarity index 100% rename from tests/ui/xcrate/auxiliary/xcrate_unit_struct.rs rename to tests/ui/cross-crate/auxiliary/xcrate_unit_struct.rs diff --git a/tests/ui/cross-crate/xcrate_generic_fn_nested_return.rs b/tests/ui/cross-crate/generic_fn_nested_return.rs similarity index 100% rename from tests/ui/cross-crate/xcrate_generic_fn_nested_return.rs rename to tests/ui/cross-crate/generic_fn_nested_return.rs diff --git a/tests/ui/xcrate/xcrate-private-by-default.rs b/tests/ui/cross-crate/private-by-default.rs similarity index 100% rename from tests/ui/xcrate/xcrate-private-by-default.rs rename to tests/ui/cross-crate/private-by-default.rs diff --git a/tests/ui/xcrate/xcrate-private-by-default.stderr b/tests/ui/cross-crate/private-by-default.stderr similarity index 88% rename from tests/ui/xcrate/xcrate-private-by-default.stderr rename to tests/ui/cross-crate/private-by-default.stderr index 25bbbf5f62aa..398c9088aae2 100644 --- a/tests/ui/xcrate/xcrate-private-by-default.stderr +++ b/tests/ui/cross-crate/private-by-default.stderr @@ -1,5 +1,5 @@ error[E0603]: static `j` is private - --> $DIR/xcrate-private-by-default.rs:23:29 + --> $DIR/private-by-default.rs:23:29 | LL | static_priv_by_default::j; | ^ private static @@ -11,7 +11,7 @@ LL | static j: isize = 0; | ^^^^^^^^^^^^^^^ error[E0603]: function `k` is private - --> $DIR/xcrate-private-by-default.rs:25:29 + --> $DIR/private-by-default.rs:25:29 | LL | static_priv_by_default::k; | ^ private function @@ -23,7 +23,7 @@ LL | fn k() {} | ^^^^^^ error[E0603]: unit struct `l` is private - --> $DIR/xcrate-private-by-default.rs:27:29 + --> $DIR/private-by-default.rs:27:29 | LL | static_priv_by_default::l; | ^ private unit struct @@ -35,7 +35,7 @@ LL | struct l; | ^^^^^^^^ error[E0603]: enum `m` is private - --> $DIR/xcrate-private-by-default.rs:29:35 + --> $DIR/private-by-default.rs:29:35 | LL | foo::(); | ^ private enum @@ -47,7 +47,7 @@ LL | enum m {} | ^^^^^^ error[E0603]: type alias `n` is private - --> $DIR/xcrate-private-by-default.rs:31:35 + --> $DIR/private-by-default.rs:31:35 | LL | foo::(); | ^ private type alias @@ -59,7 +59,7 @@ LL | type n = isize; | ^^^^^^ error[E0603]: module `foo` is private - --> $DIR/xcrate-private-by-default.rs:35:29 + --> $DIR/private-by-default.rs:35:29 | LL | static_priv_by_default::foo::a; | ^^^ - static `a` is not publicly re-exported @@ -73,7 +73,7 @@ LL | mod foo { | ^^^^^^^ error[E0603]: module `foo` is private - --> $DIR/xcrate-private-by-default.rs:37:29 + --> $DIR/private-by-default.rs:37:29 | LL | static_priv_by_default::foo::b; | ^^^ - function `b` is not publicly re-exported @@ -87,7 +87,7 @@ LL | mod foo { | ^^^^^^^ error[E0603]: module `foo` is private - --> $DIR/xcrate-private-by-default.rs:39:29 + --> $DIR/private-by-default.rs:39:29 | LL | static_priv_by_default::foo::c; | ^^^ - unit struct `c` is not publicly re-exported @@ -101,7 +101,7 @@ LL | mod foo { | ^^^^^^^ error[E0603]: module `foo` is private - --> $DIR/xcrate-private-by-default.rs:41:35 + --> $DIR/private-by-default.rs:41:35 | LL | foo::(); | ^^^ - enum `d` is not publicly re-exported @@ -115,7 +115,7 @@ LL | mod foo { | ^^^^^^^ error[E0603]: module `foo` is private - --> $DIR/xcrate-private-by-default.rs:43:35 + --> $DIR/private-by-default.rs:43:35 | LL | foo::(); | ^^^ - type alias `e` is not publicly re-exported diff --git a/tests/ui/cross-crate/xcrate-static-addresses.rs b/tests/ui/cross-crate/static-addresses.rs similarity index 100% rename from tests/ui/cross-crate/xcrate-static-addresses.rs rename to tests/ui/cross-crate/static-addresses.rs diff --git a/tests/ui/cross-crate/xcrate-trait-lifetime-param.rs b/tests/ui/cross-crate/trait-lifetime-param.rs similarity index 100% rename from tests/ui/cross-crate/xcrate-trait-lifetime-param.rs rename to tests/ui/cross-crate/trait-lifetime-param.rs diff --git a/tests/ui/xcrate/xcrate-unit-struct-2.rs b/tests/ui/cross-crate/unit-struct-2.rs similarity index 100% rename from tests/ui/xcrate/xcrate-unit-struct-2.rs rename to tests/ui/cross-crate/unit-struct-2.rs diff --git a/tests/ui/xcrate/xcrate-unit-struct.rs b/tests/ui/cross-crate/unit-struct.rs similarity index 100% rename from tests/ui/xcrate/xcrate-unit-struct.rs rename to tests/ui/cross-crate/unit-struct.rs diff --git a/tests/ui/xcrate/xcrate-unit-struct.stderr b/tests/ui/cross-crate/unit-struct.stderr similarity index 92% rename from tests/ui/xcrate/xcrate-unit-struct.stderr rename to tests/ui/cross-crate/unit-struct.stderr index 7365170b69ea..a7e3e4685a99 100644 --- a/tests/ui/xcrate/xcrate-unit-struct.stderr +++ b/tests/ui/cross-crate/unit-struct.stderr @@ -1,5 +1,5 @@ error[E0423]: expected value, found struct `xcrate_unit_struct::StructWithFields` - --> $DIR/xcrate-unit-struct.rs:9:13 + --> $DIR/unit-struct.rs:9:13 | LL | let _ = xcrate_unit_struct::StructWithFields; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use struct literal syntax instead: `xcrate_unit_struct::StructWithFields { foo: val }` @@ -10,7 +10,7 @@ LL | pub struct StructWithFields { | --------------------------- `xcrate_unit_struct::StructWithFields` defined here error[E0423]: expected value, found struct `xcrate_unit_struct::StructWithPrivFields` - --> $DIR/xcrate-unit-struct.rs:11:13 + --> $DIR/unit-struct.rs:11:13 | LL | let _ = xcrate_unit_struct::StructWithPrivFields; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ diff --git a/tests/ui/expr-block-fn.rs b/tests/ui/expr/block-fn.rs similarity index 100% rename from tests/ui/expr-block-fn.rs rename to tests/ui/expr/block-fn.rs diff --git a/tests/ui/expr-block-generic.rs b/tests/ui/expr/block-generic.rs similarity index 100% rename from tests/ui/expr-block-generic.rs rename to tests/ui/expr/block-generic.rs diff --git a/tests/ui/expr-block.rs b/tests/ui/expr/block.rs similarity index 100% rename from tests/ui/expr-block.rs rename to tests/ui/expr/block.rs diff --git a/tests/ui/expr-copy.rs b/tests/ui/expr/copy.rs similarity index 100% rename from tests/ui/expr-copy.rs rename to tests/ui/expr/copy.rs diff --git a/tests/ui/expr-if-generic.rs b/tests/ui/expr/if-generic.rs similarity index 100% rename from tests/ui/expr-if-generic.rs rename to tests/ui/expr/if-generic.rs diff --git a/tests/ui/expr-if-panic-all.rs b/tests/ui/expr/if-panic-all.rs similarity index 100% rename from tests/ui/expr-if-panic-all.rs rename to tests/ui/expr/if-panic-all.rs diff --git a/tests/ui/expr-scope.rs b/tests/ui/expr/scope.rs similarity index 100% rename from tests/ui/expr-scope.rs rename to tests/ui/expr/scope.rs diff --git a/tests/ui/stmt_expr_attrs_no_feature.rs b/tests/ui/feature-gates/stmt_expr_attrs_no_feature.rs similarity index 100% rename from tests/ui/stmt_expr_attrs_no_feature.rs rename to tests/ui/feature-gates/stmt_expr_attrs_no_feature.rs diff --git a/tests/ui/stmt_expr_attrs_no_feature.stderr b/tests/ui/feature-gates/stmt_expr_attrs_no_feature.stderr similarity index 100% rename from tests/ui/stmt_expr_attrs_no_feature.stderr rename to tests/ui/feature-gates/stmt_expr_attrs_no_feature.stderr diff --git a/tests/ui/ffi_const.rs b/tests/ui/ffi-attrs/ffi_const.rs similarity index 100% rename from tests/ui/ffi_const.rs rename to tests/ui/ffi-attrs/ffi_const.rs diff --git a/tests/ui/ffi_const.stderr b/tests/ui/ffi-attrs/ffi_const.stderr similarity index 100% rename from tests/ui/ffi_const.stderr rename to tests/ui/ffi-attrs/ffi_const.stderr diff --git a/tests/ui/ffi_const2.rs b/tests/ui/ffi-attrs/ffi_const2.rs similarity index 100% rename from tests/ui/ffi_const2.rs rename to tests/ui/ffi-attrs/ffi_const2.rs diff --git a/tests/ui/ffi_const2.stderr b/tests/ui/ffi-attrs/ffi_const2.stderr similarity index 100% rename from tests/ui/ffi_const2.stderr rename to tests/ui/ffi-attrs/ffi_const2.stderr diff --git a/tests/ui/ffi_pure.rs b/tests/ui/ffi-attrs/ffi_pure.rs similarity index 100% rename from tests/ui/ffi_pure.rs rename to tests/ui/ffi-attrs/ffi_pure.rs diff --git a/tests/ui/ffi_pure.stderr b/tests/ui/ffi-attrs/ffi_pure.stderr similarity index 100% rename from tests/ui/ffi_pure.stderr rename to tests/ui/ffi-attrs/ffi_pure.stderr diff --git a/tests/ui/main-wrong-location.rs b/tests/ui/fn-main/wrong-location.rs similarity index 100% rename from tests/ui/main-wrong-location.rs rename to tests/ui/fn-main/wrong-location.rs diff --git a/tests/ui/main-wrong-location.stderr b/tests/ui/fn-main/wrong-location.stderr similarity index 70% rename from tests/ui/main-wrong-location.stderr rename to tests/ui/fn-main/wrong-location.stderr index 9486a9405628..c47092bc47e9 100644 --- a/tests/ui/main-wrong-location.stderr +++ b/tests/ui/fn-main/wrong-location.stderr @@ -1,11 +1,11 @@ -error[E0601]: `main` function not found in crate `main_wrong_location` - --> $DIR/main-wrong-location.rs:5:2 +error[E0601]: `main` function not found in crate `wrong_location` + --> $DIR/wrong-location.rs:5:2 | LL | } - | ^ the main function must be defined at the crate level (in `$DIR/main-wrong-location.rs`) + | ^ the main function must be defined at the crate level (in `$DIR/wrong-location.rs`) | note: here is a function named `main` - --> $DIR/main-wrong-location.rs:4:5 + --> $DIR/wrong-location.rs:4:5 | LL | fn main() { } | ^^^^^^^^^ diff --git a/tests/ui/main-wrong-type.rs b/tests/ui/fn-main/wrong-type.rs similarity index 100% rename from tests/ui/main-wrong-type.rs rename to tests/ui/fn-main/wrong-type.rs diff --git a/tests/ui/main-wrong-type.stderr b/tests/ui/fn-main/wrong-type.stderr similarity index 90% rename from tests/ui/main-wrong-type.stderr rename to tests/ui/fn-main/wrong-type.stderr index d07fc09064f2..2b0096431dba 100644 --- a/tests/ui/main-wrong-type.stderr +++ b/tests/ui/fn-main/wrong-type.stderr @@ -1,5 +1,5 @@ error[E0580]: `main` function has wrong type - --> $DIR/main-wrong-type.rs:6:1 + --> $DIR/wrong-type.rs:6:1 | LL | fn main(foo: S) { | ^^^^^^^^^^^^^^^ incorrect number of function parameters diff --git a/tests/ui/foreign-fn-return-lifetime.rs b/tests/ui/foreign/foreign-fn-return-lifetime.rs similarity index 100% rename from tests/ui/foreign-fn-return-lifetime.rs rename to tests/ui/foreign/foreign-fn-return-lifetime.rs diff --git a/tests/ui/foreign-fn-return-lifetime.stderr b/tests/ui/foreign/foreign-fn-return-lifetime.stderr similarity index 100% rename from tests/ui/foreign-fn-return-lifetime.stderr rename to tests/ui/foreign/foreign-fn-return-lifetime.stderr diff --git a/tests/ui/optimization-fuel-0.rs b/tests/ui/fuel/optimization-fuel-0.rs similarity index 100% rename from tests/ui/optimization-fuel-0.rs rename to tests/ui/fuel/optimization-fuel-0.rs diff --git a/tests/ui/optimization-fuel-0.stderr b/tests/ui/fuel/optimization-fuel-0.stderr similarity index 100% rename from tests/ui/optimization-fuel-0.stderr rename to tests/ui/fuel/optimization-fuel-0.stderr diff --git a/tests/ui/optimization-fuel-1.rs b/tests/ui/fuel/optimization-fuel-1.rs similarity index 100% rename from tests/ui/optimization-fuel-1.rs rename to tests/ui/fuel/optimization-fuel-1.rs diff --git a/tests/ui/optimization-fuel-1.stderr b/tests/ui/fuel/optimization-fuel-1.stderr similarity index 100% rename from tests/ui/optimization-fuel-1.stderr rename to tests/ui/fuel/optimization-fuel-1.stderr diff --git a/tests/ui/print-fuel/print-fuel.rs b/tests/ui/fuel/print-fuel.rs similarity index 100% rename from tests/ui/print-fuel/print-fuel.rs rename to tests/ui/fuel/print-fuel.rs diff --git a/tests/ui/print-fuel/print-fuel.stderr b/tests/ui/fuel/print-fuel.stderr similarity index 100% rename from tests/ui/print-fuel/print-fuel.stderr rename to tests/ui/fuel/print-fuel.stderr diff --git a/tests/ui/infer-fn-tail-expr.rs b/tests/ui/inference/infer-fn-tail-expr.rs similarity index 100% rename from tests/ui/infer-fn-tail-expr.rs rename to tests/ui/inference/infer-fn-tail-expr.rs diff --git a/tests/ui/lambda-infer-unresolved.rs b/tests/ui/inference/lambda-infer-unresolved.rs similarity index 100% rename from tests/ui/lambda-infer-unresolved.rs rename to tests/ui/inference/lambda-infer-unresolved.rs diff --git a/tests/ui/order-dependent-cast-inference.rs b/tests/ui/inference/order-dependent-cast-inference.rs similarity index 100% rename from tests/ui/order-dependent-cast-inference.rs rename to tests/ui/inference/order-dependent-cast-inference.rs diff --git a/tests/ui/order-dependent-cast-inference.stderr b/tests/ui/inference/order-dependent-cast-inference.stderr similarity index 100% rename from tests/ui/order-dependent-cast-inference.stderr rename to tests/ui/inference/order-dependent-cast-inference.stderr diff --git a/tests/ui/intrinsics-always-extern.rs b/tests/ui/intrinsics/always-extern.rs similarity index 100% rename from tests/ui/intrinsics-always-extern.rs rename to tests/ui/intrinsics/always-extern.rs diff --git a/tests/ui/intrinsics-always-extern.stderr b/tests/ui/intrinsics/always-extern.stderr similarity index 83% rename from tests/ui/intrinsics-always-extern.stderr rename to tests/ui/intrinsics/always-extern.stderr index 1f7bb5a3b0de..44b889c6faac 100644 --- a/tests/ui/intrinsics-always-extern.stderr +++ b/tests/ui/intrinsics/always-extern.stderr @@ -1,11 +1,11 @@ error: intrinsic must be in `extern "rust-intrinsic" { ... }` block - --> $DIR/intrinsics-always-extern.rs:4:32 + --> $DIR/always-extern.rs:4:32 | LL | extern "rust-intrinsic" fn foo(&self); | ^^^ error[E0093]: unrecognized intrinsic function: `hello` - --> $DIR/intrinsics-always-extern.rs:12:28 + --> $DIR/always-extern.rs:12:28 | LL | extern "rust-intrinsic" fn hello() { | ^^^^^ unrecognized intrinsic @@ -13,7 +13,7 @@ LL | extern "rust-intrinsic" fn hello() { = help: if you're adding an intrinsic, be sure to update `check_intrinsic_type` error: intrinsic must be in `extern "rust-intrinsic" { ... }` block - --> $DIR/intrinsics-always-extern.rs:8:43 + --> $DIR/always-extern.rs:8:43 | LL | extern "rust-intrinsic" fn foo(&self) { | ___________________________________________^ @@ -21,7 +21,7 @@ LL | | } | |_____^ error: intrinsic must be in `extern "rust-intrinsic" { ... }` block - --> $DIR/intrinsics-always-extern.rs:12:36 + --> $DIR/always-extern.rs:12:36 | LL | extern "rust-intrinsic" fn hello() { | ____________________________________^ diff --git a/tests/ui/reify-intrinsic.rs b/tests/ui/intrinsics/reify-intrinsic.rs similarity index 100% rename from tests/ui/reify-intrinsic.rs rename to tests/ui/intrinsics/reify-intrinsic.rs diff --git a/tests/ui/reify-intrinsic.stderr b/tests/ui/intrinsics/reify-intrinsic.stderr similarity index 100% rename from tests/ui/reify-intrinsic.stderr rename to tests/ui/intrinsics/reify-intrinsic.stderr diff --git a/tests/ui/lint-group-denied-lint-allowed.rs b/tests/ui/lint/group-denied-lint-allowed.rs similarity index 100% rename from tests/ui/lint-group-denied-lint-allowed.rs rename to tests/ui/lint/group-denied-lint-allowed.rs diff --git a/tests/ui/lint-group-forbid-always-trumps-cli.rs b/tests/ui/lint/group-forbid-always-trumps-cli.rs similarity index 100% rename from tests/ui/lint-group-forbid-always-trumps-cli.rs rename to tests/ui/lint/group-forbid-always-trumps-cli.rs diff --git a/tests/ui/lint-group-forbid-always-trumps-cli.stderr b/tests/ui/lint/group-forbid-always-trumps-cli.stderr similarity index 84% rename from tests/ui/lint-group-forbid-always-trumps-cli.stderr rename to tests/ui/lint/group-forbid-always-trumps-cli.stderr index 04a0f56c1633..21674ebae9ce 100644 --- a/tests/ui/lint-group-forbid-always-trumps-cli.stderr +++ b/tests/ui/lint/group-forbid-always-trumps-cli.stderr @@ -1,5 +1,5 @@ error: unused variable: `x` - --> $DIR/lint-group-forbid-always-trumps-cli.rs:4:9 + --> $DIR/group-forbid-always-trumps-cli.rs:4:9 | LL | let x = 1; | ^ help: if this is intentional, prefix it with an underscore: `_x` diff --git a/tests/ui/lint-unknown-lints-at-crate-level.rs b/tests/ui/lint/unknown-lints-at-crate-level.rs similarity index 100% rename from tests/ui/lint-unknown-lints-at-crate-level.rs rename to tests/ui/lint/unknown-lints-at-crate-level.rs diff --git a/tests/ui/compile_error_macro.rs b/tests/ui/macros/compile_error_macro.rs similarity index 100% rename from tests/ui/compile_error_macro.rs rename to tests/ui/macros/compile_error_macro.rs diff --git a/tests/ui/compile_error_macro.stderr b/tests/ui/macros/compile_error_macro.stderr similarity index 100% rename from tests/ui/compile_error_macro.stderr rename to tests/ui/macros/compile_error_macro.stderr diff --git a/tests/ui/module-macro_use-arguments.rs b/tests/ui/macros/module-macro_use-arguments.rs similarity index 100% rename from tests/ui/module-macro_use-arguments.rs rename to tests/ui/macros/module-macro_use-arguments.rs diff --git a/tests/ui/module-macro_use-arguments.stderr b/tests/ui/macros/module-macro_use-arguments.stderr similarity index 100% rename from tests/ui/module-macro_use-arguments.stderr rename to tests/ui/macros/module-macro_use-arguments.stderr diff --git a/tests/ui/no-patterns-in-args-macro.rs b/tests/ui/macros/no-patterns-in-args-macro.rs similarity index 100% rename from tests/ui/no-patterns-in-args-macro.rs rename to tests/ui/macros/no-patterns-in-args-macro.rs diff --git a/tests/ui/no-patterns-in-args-macro.stderr b/tests/ui/macros/no-patterns-in-args-macro.stderr similarity index 100% rename from tests/ui/no-patterns-in-args-macro.stderr rename to tests/ui/macros/no-patterns-in-args-macro.stderr diff --git a/tests/ui/super-fast-paren-parsing.rs b/tests/ui/parser/super-fast-paren-parsing.rs similarity index 82% rename from tests/ui/super-fast-paren-parsing.rs rename to tests/ui/parser/super-fast-paren-parsing.rs index ce7283eee034..5b7cd6fe47d5 100644 --- a/tests/ui/super-fast-paren-parsing.rs +++ b/tests/ui/parser/super-fast-paren-parsing.rs @@ -3,10 +3,7 @@ #![allow(unused_parens)] #![allow(non_upper_case_globals)] #![allow(dead_code)] -//@ exec-env:RUST_MIN_STACK=16000000 -//@ rustc-env:RUST_MIN_STACK=16000000 -// -// Big stack is needed for pretty printing, a little sad... +#![cfg_attr(rustfmt, rustfmt::skip)] static a: isize = ((((((((((((((((((((((((((((((((((((((((((((((((((( diff --git a/tests/ui/by-move-pattern-binding.rs b/tests/ui/pattern/by-move-pattern-binding.rs similarity index 100% rename from tests/ui/by-move-pattern-binding.rs rename to tests/ui/pattern/by-move-pattern-binding.rs diff --git a/tests/ui/by-move-pattern-binding.stderr b/tests/ui/pattern/by-move-pattern-binding.stderr similarity index 100% rename from tests/ui/by-move-pattern-binding.stderr rename to tests/ui/pattern/by-move-pattern-binding.stderr diff --git a/tests/ui/fn-in-pat.rs b/tests/ui/pattern/fn-in-pat.rs similarity index 100% rename from tests/ui/fn-in-pat.rs rename to tests/ui/pattern/fn-in-pat.rs diff --git a/tests/ui/fn-in-pat.stderr b/tests/ui/pattern/fn-in-pat.stderr similarity index 100% rename from tests/ui/fn-in-pat.stderr rename to tests/ui/pattern/fn-in-pat.stderr diff --git a/tests/ui/inc-range-pat.rs b/tests/ui/pattern/inc-range-pat.rs similarity index 100% rename from tests/ui/inc-range-pat.rs rename to tests/ui/pattern/inc-range-pat.rs diff --git a/tests/ui/no-patterns-in-args-2.rs b/tests/ui/pattern/no-patterns-in-args-2.rs similarity index 100% rename from tests/ui/no-patterns-in-args-2.rs rename to tests/ui/pattern/no-patterns-in-args-2.rs diff --git a/tests/ui/no-patterns-in-args-2.stderr b/tests/ui/pattern/no-patterns-in-args-2.stderr similarity index 100% rename from tests/ui/no-patterns-in-args-2.stderr rename to tests/ui/pattern/no-patterns-in-args-2.stderr diff --git a/tests/ui/no-patterns-in-args.rs b/tests/ui/pattern/no-patterns-in-args.rs similarity index 100% rename from tests/ui/no-patterns-in-args.rs rename to tests/ui/pattern/no-patterns-in-args.rs diff --git a/tests/ui/no-patterns-in-args.stderr b/tests/ui/pattern/no-patterns-in-args.stderr similarity index 100% rename from tests/ui/no-patterns-in-args.stderr rename to tests/ui/pattern/no-patterns-in-args.stderr diff --git a/tests/ui/env-args-reverse-iterator.rs b/tests/ui/process/env-args-reverse-iterator.rs similarity index 100% rename from tests/ui/env-args-reverse-iterator.rs rename to tests/ui/process/env-args-reverse-iterator.rs diff --git a/tests/ui/env-funky-keys.rs b/tests/ui/process/env-funky-keys.rs similarity index 100% rename from tests/ui/env-funky-keys.rs rename to tests/ui/process/env-funky-keys.rs diff --git a/tests/ui/env-null-vars.rs b/tests/ui/process/env-null-vars.rs similarity index 100% rename from tests/ui/env-null-vars.rs rename to tests/ui/process/env-null-vars.rs diff --git a/tests/ui/env-vars.rs b/tests/ui/process/env-vars.rs similarity index 100% rename from tests/ui/env-vars.rs rename to tests/ui/process/env-vars.rs diff --git a/tests/ui/exec-env.rs b/tests/ui/process/exec-env.rs similarity index 100% rename from tests/ui/exec-env.rs rename to tests/ui/process/exec-env.rs diff --git a/tests/ui/inherit-env.rs b/tests/ui/process/inherit-env.rs similarity index 100% rename from tests/ui/inherit-env.rs rename to tests/ui/process/inherit-env.rs diff --git a/tests/ui/impossible_range.fixed b/tests/ui/range/impossible_range.fixed similarity index 100% rename from tests/ui/impossible_range.fixed rename to tests/ui/range/impossible_range.fixed diff --git a/tests/ui/impossible_range.rs b/tests/ui/range/impossible_range.rs similarity index 100% rename from tests/ui/impossible_range.rs rename to tests/ui/range/impossible_range.rs diff --git a/tests/ui/impossible_range.stderr b/tests/ui/range/impossible_range.stderr similarity index 100% rename from tests/ui/impossible_range.stderr rename to tests/ui/range/impossible_range.stderr diff --git a/tests/ui/range_inclusive.rs b/tests/ui/range/range_inclusive.rs similarity index 100% rename from tests/ui/range_inclusive.rs rename to tests/ui/range/range_inclusive.rs diff --git a/tests/ui/conflicting-repr-hints.rs b/tests/ui/repr/conflicting-repr-hints.rs similarity index 100% rename from tests/ui/conflicting-repr-hints.rs rename to tests/ui/repr/conflicting-repr-hints.rs diff --git a/tests/ui/conflicting-repr-hints.stderr b/tests/ui/repr/conflicting-repr-hints.stderr similarity index 100% rename from tests/ui/conflicting-repr-hints.stderr rename to tests/ui/repr/conflicting-repr-hints.stderr diff --git a/tests/ui/ret-bang.rs b/tests/ui/return/ret-bang.rs similarity index 100% rename from tests/ui/ret-bang.rs rename to tests/ui/return/ret-bang.rs diff --git a/tests/ui/ret-non-nil.rs b/tests/ui/return/ret-non-nil.rs similarity index 100% rename from tests/ui/ret-non-nil.rs rename to tests/ui/return/ret-non-nil.rs diff --git a/tests/ui/ret-non-nil.stderr b/tests/ui/return/ret-non-nil.stderr similarity index 100% rename from tests/ui/ret-non-nil.stderr rename to tests/ui/return/ret-non-nil.stderr diff --git a/tests/ui/return-disjoint-regions.rs b/tests/ui/return/return-disjoint-regions.rs similarity index 100% rename from tests/ui/return-disjoint-regions.rs rename to tests/ui/return/return-disjoint-regions.rs diff --git a/tests/ui/return-disjoint-regions.stderr b/tests/ui/return/return-disjoint-regions.stderr similarity index 100% rename from tests/ui/return-disjoint-regions.stderr rename to tests/ui/return/return-disjoint-regions.stderr diff --git a/tests/ui/return-nil.rs b/tests/ui/return/return-nil.rs similarity index 100% rename from tests/ui/return-nil.rs rename to tests/ui/return/return-nil.rs diff --git a/tests/ui/auxiliary/check_static_recursion_foreign_helper.rs b/tests/ui/statics/auxiliary/check_static_recursion_foreign_helper.rs similarity index 100% rename from tests/ui/auxiliary/check_static_recursion_foreign_helper.rs rename to tests/ui/statics/auxiliary/check_static_recursion_foreign_helper.rs diff --git a/tests/ui/check-static-immutable-mut-slices.rs b/tests/ui/statics/check-immutable-mut-slices.rs similarity index 100% rename from tests/ui/check-static-immutable-mut-slices.rs rename to tests/ui/statics/check-immutable-mut-slices.rs diff --git a/tests/ui/check-static-immutable-mut-slices.stderr b/tests/ui/statics/check-immutable-mut-slices.stderr similarity index 84% rename from tests/ui/check-static-immutable-mut-slices.stderr rename to tests/ui/statics/check-immutable-mut-slices.stderr index 402f9032b640..5cb35a7c21eb 100644 --- a/tests/ui/check-static-immutable-mut-slices.stderr +++ b/tests/ui/statics/check-immutable-mut-slices.stderr @@ -1,5 +1,5 @@ error[E0764]: mutable references are not allowed in the final value of statics - --> $DIR/check-static-immutable-mut-slices.rs:3:37 + --> $DIR/check-immutable-mut-slices.rs:3:37 | LL | static TEST: &'static mut [isize] = &mut []; | ^^^^^^^ diff --git a/tests/ui/check-static-recursion-foreign.rs b/tests/ui/statics/check-recursion-foreign.rs similarity index 100% rename from tests/ui/check-static-recursion-foreign.rs rename to tests/ui/statics/check-recursion-foreign.rs diff --git a/tests/ui/check-static-values-constraints.rs b/tests/ui/statics/check-values-constraints.rs similarity index 100% rename from tests/ui/check-static-values-constraints.rs rename to tests/ui/statics/check-values-constraints.rs diff --git a/tests/ui/check-static-values-constraints.stderr b/tests/ui/statics/check-values-constraints.stderr similarity index 88% rename from tests/ui/check-static-values-constraints.stderr rename to tests/ui/statics/check-values-constraints.stderr index fe5f2a34272d..45a699f575fb 100644 --- a/tests/ui/check-static-values-constraints.stderr +++ b/tests/ui/statics/check-values-constraints.stderr @@ -1,5 +1,5 @@ error[E0493]: destructor of `SafeStruct` cannot be evaluated at compile-time - --> $DIR/check-static-values-constraints.rs:64:7 + --> $DIR/check-values-constraints.rs:64:7 | LL | ..SafeStruct { | _______^ @@ -12,7 +12,7 @@ LL | }; | - value is dropped here error[E0010]: allocations are not allowed in statics - --> $DIR/check-static-values-constraints.rs:81:33 + --> $DIR/check-values-constraints.rs:81:33 | LL | static STATIC11: Vec = vec![MyOwned]; | ^^^^^^^^^^^^^ allocation not allowed in statics @@ -20,7 +20,7 @@ LL | static STATIC11: Vec = vec![MyOwned]; = note: this error originates in the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0015]: cannot call non-const fn `slice::::into_vec::` in statics - --> $DIR/check-static-values-constraints.rs:81:33 + --> $DIR/check-values-constraints.rs:81:33 | LL | static STATIC11: Vec = vec![MyOwned]; | ^^^^^^^^^^^^^ @@ -30,7 +30,7 @@ LL | static STATIC11: Vec = vec![MyOwned]; = note: this error originates in the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0015]: cannot call non-const fn `::to_string` in statics - --> $DIR/check-static-values-constraints.rs:92:38 + --> $DIR/check-values-constraints.rs:92:38 | LL | field2: SafeEnum::Variant4("str".to_string()), | ^^^^^^^^^^^ @@ -43,7 +43,7 @@ LL + #![feature(const_trait_impl)] | error[E0010]: allocations are not allowed in statics - --> $DIR/check-static-values-constraints.rs:96:5 + --> $DIR/check-values-constraints.rs:96:5 | LL | vec![MyOwned], | ^^^^^^^^^^^^^ allocation not allowed in statics @@ -51,7 +51,7 @@ LL | vec![MyOwned], = note: this error originates in the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0015]: cannot call non-const fn `slice::::into_vec::` in statics - --> $DIR/check-static-values-constraints.rs:96:5 + --> $DIR/check-values-constraints.rs:96:5 | LL | vec![MyOwned], | ^^^^^^^^^^^^^ @@ -61,7 +61,7 @@ LL | vec![MyOwned], = note: this error originates in the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0010]: allocations are not allowed in statics - --> $DIR/check-static-values-constraints.rs:98:5 + --> $DIR/check-values-constraints.rs:98:5 | LL | vec![MyOwned], | ^^^^^^^^^^^^^ allocation not allowed in statics @@ -69,7 +69,7 @@ LL | vec![MyOwned], = note: this error originates in the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0015]: cannot call non-const fn `slice::::into_vec::` in statics - --> $DIR/check-static-values-constraints.rs:98:5 + --> $DIR/check-values-constraints.rs:98:5 | LL | vec![MyOwned], | ^^^^^^^^^^^^^ @@ -79,7 +79,7 @@ LL | vec![MyOwned], = note: this error originates in the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0010]: allocations are not allowed in statics - --> $DIR/check-static-values-constraints.rs:103:6 + --> $DIR/check-values-constraints.rs:103:6 | LL | &vec![MyOwned], | ^^^^^^^^^^^^^ allocation not allowed in statics @@ -87,7 +87,7 @@ LL | &vec![MyOwned], = note: this error originates in the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0015]: cannot call non-const fn `slice::::into_vec::` in statics - --> $DIR/check-static-values-constraints.rs:103:6 + --> $DIR/check-values-constraints.rs:103:6 | LL | &vec![MyOwned], | ^^^^^^^^^^^^^ @@ -97,7 +97,7 @@ LL | &vec![MyOwned], = note: this error originates in the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0010]: allocations are not allowed in statics - --> $DIR/check-static-values-constraints.rs:105:6 + --> $DIR/check-values-constraints.rs:105:6 | LL | &vec![MyOwned], | ^^^^^^^^^^^^^ allocation not allowed in statics @@ -105,7 +105,7 @@ LL | &vec![MyOwned], = note: this error originates in the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0015]: cannot call non-const fn `slice::::into_vec::` in statics - --> $DIR/check-static-values-constraints.rs:105:6 + --> $DIR/check-values-constraints.rs:105:6 | LL | &vec![MyOwned], | ^^^^^^^^^^^^^ @@ -115,7 +115,7 @@ LL | &vec![MyOwned], = note: this error originates in the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0010]: allocations are not allowed in statics - --> $DIR/check-static-values-constraints.rs:111:31 + --> $DIR/check-values-constraints.rs:111:31 | LL | static STATIC19: Vec = vec![3]; | ^^^^^^^ allocation not allowed in statics @@ -123,7 +123,7 @@ LL | static STATIC19: Vec = vec![3]; = note: this error originates in the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0015]: cannot call non-const fn `slice::::into_vec::` in statics - --> $DIR/check-static-values-constraints.rs:111:31 + --> $DIR/check-values-constraints.rs:111:31 | LL | static STATIC19: Vec = vec![3]; | ^^^^^^^ @@ -133,7 +133,7 @@ LL | static STATIC19: Vec = vec![3]; = note: this error originates in the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0010]: allocations are not allowed in statics - --> $DIR/check-static-values-constraints.rs:117:32 + --> $DIR/check-values-constraints.rs:117:32 | LL | static x: Vec = vec![3]; | ^^^^^^^ allocation not allowed in statics @@ -141,7 +141,7 @@ LL | static x: Vec = vec![3]; = note: this error originates in the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0015]: cannot call non-const fn `slice::::into_vec::` in statics - --> $DIR/check-static-values-constraints.rs:117:32 + --> $DIR/check-values-constraints.rs:117:32 | LL | static x: Vec = vec![3]; | ^^^^^^^ @@ -151,7 +151,7 @@ LL | static x: Vec = vec![3]; = note: this error originates in the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0507]: cannot move out of static item `x` - --> $DIR/check-static-values-constraints.rs:119:9 + --> $DIR/check-values-constraints.rs:119:9 | LL | x | ^ move occurs because `x` has type `Vec`, which does not implement the `Copy` trait diff --git a/tests/ui/dont-suggest-private-trait-method.rs b/tests/ui/suggestions/dont-suggest-private-trait-method.rs similarity index 100% rename from tests/ui/dont-suggest-private-trait-method.rs rename to tests/ui/suggestions/dont-suggest-private-trait-method.rs diff --git a/tests/ui/dont-suggest-private-trait-method.stderr b/tests/ui/suggestions/dont-suggest-private-trait-method.stderr similarity index 100% rename from tests/ui/dont-suggest-private-trait-method.stderr rename to tests/ui/suggestions/dont-suggest-private-trait-method.stderr diff --git a/tests/ui/suggest-null-ptr.fixed b/tests/ui/suggestions/suggest-null-ptr.fixed similarity index 100% rename from tests/ui/suggest-null-ptr.fixed rename to tests/ui/suggestions/suggest-null-ptr.fixed diff --git a/tests/ui/suggest-null-ptr.rs b/tests/ui/suggestions/suggest-null-ptr.rs similarity index 100% rename from tests/ui/suggest-null-ptr.rs rename to tests/ui/suggestions/suggest-null-ptr.rs diff --git a/tests/ui/suggest-null-ptr.stderr b/tests/ui/suggestions/suggest-null-ptr.stderr similarity index 100% rename from tests/ui/suggest-null-ptr.stderr rename to tests/ui/suggestions/suggest-null-ptr.stderr diff --git a/tests/ui/trait-impl-bound-suggestions.fixed b/tests/ui/suggestions/trait-impl-bound-suggestions.fixed similarity index 100% rename from tests/ui/trait-impl-bound-suggestions.fixed rename to tests/ui/suggestions/trait-impl-bound-suggestions.fixed diff --git a/tests/ui/trait-impl-bound-suggestions.rs b/tests/ui/suggestions/trait-impl-bound-suggestions.rs similarity index 100% rename from tests/ui/trait-impl-bound-suggestions.rs rename to tests/ui/suggestions/trait-impl-bound-suggestions.rs diff --git a/tests/ui/trait-impl-bound-suggestions.stderr b/tests/ui/suggestions/trait-impl-bound-suggestions.stderr similarity index 100% rename from tests/ui/trait-impl-bound-suggestions.stderr rename to tests/ui/suggestions/trait-impl-bound-suggestions.stderr diff --git a/tests/ui/tool_lints-fail.rs b/tests/ui/tool-attributes/tool_lints-fail.rs similarity index 100% rename from tests/ui/tool_lints-fail.rs rename to tests/ui/tool-attributes/tool_lints-fail.rs diff --git a/tests/ui/tool_lints-fail.stderr b/tests/ui/tool-attributes/tool_lints-fail.stderr similarity index 100% rename from tests/ui/tool_lints-fail.stderr rename to tests/ui/tool-attributes/tool_lints-fail.stderr diff --git a/tests/ui/tool_lints-rpass.rs b/tests/ui/tool-attributes/tool_lints-rpass.rs similarity index 100% rename from tests/ui/tool_lints-rpass.rs rename to tests/ui/tool-attributes/tool_lints-rpass.rs diff --git a/tests/ui/tool_lints.rs b/tests/ui/tool-attributes/tool_lints.rs similarity index 100% rename from tests/ui/tool_lints.rs rename to tests/ui/tool-attributes/tool_lints.rs diff --git a/tests/ui/tool_lints.stderr b/tests/ui/tool-attributes/tool_lints.stderr similarity index 100% rename from tests/ui/tool_lints.stderr rename to tests/ui/tool-attributes/tool_lints.stderr diff --git a/tests/ui/tool_lints_2018_preview.rs b/tests/ui/tool-attributes/tool_lints_2018_preview.rs similarity index 100% rename from tests/ui/tool_lints_2018_preview.rs rename to tests/ui/tool-attributes/tool_lints_2018_preview.rs diff --git a/tests/ui/unknown-lint-tool-name.rs b/tests/ui/tool-attributes/unknown-lint-tool-name.rs similarity index 100% rename from tests/ui/unknown-lint-tool-name.rs rename to tests/ui/tool-attributes/unknown-lint-tool-name.rs diff --git a/tests/ui/unknown-lint-tool-name.stderr b/tests/ui/tool-attributes/unknown-lint-tool-name.stderr similarity index 100% rename from tests/ui/unknown-lint-tool-name.stderr rename to tests/ui/tool-attributes/unknown-lint-tool-name.stderr diff --git a/tests/ui/unknown-tool-name.rs b/tests/ui/tool-attributes/unknown-tool-name.rs similarity index 100% rename from tests/ui/unknown-tool-name.rs rename to tests/ui/tool-attributes/unknown-tool-name.rs diff --git a/tests/ui/unknown-tool-name.stderr b/tests/ui/tool-attributes/unknown-tool-name.stderr similarity index 100% rename from tests/ui/unknown-tool-name.stderr rename to tests/ui/tool-attributes/unknown-tool-name.stderr diff --git a/tests/ui/unop-move-semantics.rs b/tests/ui/unop/unop-move-semantics.rs similarity index 100% rename from tests/ui/unop-move-semantics.rs rename to tests/ui/unop/unop-move-semantics.rs diff --git a/tests/ui/unop-move-semantics.stderr b/tests/ui/unop/unop-move-semantics.stderr similarity index 100% rename from tests/ui/unop-move-semantics.stderr rename to tests/ui/unop/unop-move-semantics.stderr diff --git a/tests/ui/unop-neg-bool.rs b/tests/ui/unop/unop-neg-bool.rs similarity index 100% rename from tests/ui/unop-neg-bool.rs rename to tests/ui/unop/unop-neg-bool.rs diff --git a/tests/ui/unop-neg-bool.stderr b/tests/ui/unop/unop-neg-bool.stderr similarity index 100% rename from tests/ui/unop-neg-bool.stderr rename to tests/ui/unop/unop-neg-bool.stderr From eb10eb2b451343c053b5d4e856701a51cd7cde32 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 24 Apr 2024 16:46:57 +1000 Subject: [PATCH 0341/1716] Reorder top-level attributes. And remove an unnecessary `feature(try_blocks)`. --- compiler/rustc_metadata/src/lib.rs | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/compiler/rustc_metadata/src/lib.rs b/compiler/rustc_metadata/src/lib.rs index 99584845e49a..00bb4c435c8b 100644 --- a/compiler/rustc_metadata/src/lib.rs +++ b/compiler/rustc_metadata/src/lib.rs @@ -1,21 +1,22 @@ +// tidy-alphabetical-start +#![allow(internal_features)] +#![allow(rustc::potential_query_instability)] #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] #![doc(rust_logo)] -#![feature(rustdoc_internals)] -#![allow(internal_features)] +#![feature(coroutines)] #![feature(decl_macro)] #![feature(error_iter)] #![feature(extract_if)] -#![feature(coroutines)] +#![feature(if_let_guard)] #![feature(iter_from_coroutine)] #![feature(let_chains)] -#![feature(if_let_guard)] -#![feature(proc_macro_internals)] #![feature(macro_metavar_expr)] #![feature(min_specialization)] -#![feature(trusted_len)] -#![feature(try_blocks)] #![feature(never_type)] -#![allow(rustc::potential_query_instability)] +#![feature(proc_macro_internals)] +#![feature(rustdoc_internals)] +#![feature(trusted_len)] +// tidy-alphabetical-end extern crate proc_macro; From d8ea4689943aa8cd7e949b10f16ebec6a8ac7132 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Thu, 25 Apr 2024 10:48:59 +1000 Subject: [PATCH 0342/1716] Reorder some `use` items. --- compiler/rustc_metadata/src/rmeta/mod.rs | 25 ++++++++++-------------- 1 file changed, 10 insertions(+), 15 deletions(-) diff --git a/compiler/rustc_metadata/src/rmeta/mod.rs b/compiler/rustc_metadata/src/rmeta/mod.rs index 79e4ff81093b..825034cf96a9 100644 --- a/compiler/rustc_metadata/src/rmeta/mod.rs +++ b/compiler/rustc_metadata/src/rmeta/mod.rs @@ -1,15 +1,13 @@ use crate::creader::CrateMetadataRef; -use decoder::Metadata; +pub(crate) use decoder::{CrateMetadata, CrateNumMap, MetadataBlob}; +use decoder::{DecodeContext, Metadata}; use def_path_hash_map::DefPathHashMapRef; -use rustc_data_structures::fx::FxHashMap; -use rustc_macros::{Decodable, Encodable, TyDecodable, TyEncodable}; -use rustc_middle::middle::debugger_visualizer::DebuggerVisualizerFile; -use rustc_middle::middle::lib_features::FeatureStability; -use table::TableBuilder; - +use encoder::EncodeContext; +pub use encoder::{encode_metadata, rendered_const, EncodedMetadata}; use rustc_ast as ast; use rustc_ast::expand::StrippedCfgItem; use rustc_attr as attr; +use rustc_data_structures::fx::FxHashMap; use rustc_data_structures::svh::Svh; use rustc_hir as hir; use rustc_hir::def::{CtorKind, DefKind, DocLinkResMap}; @@ -18,10 +16,13 @@ use rustc_hir::definitions::DefKey; use rustc_hir::lang_items::LangItem; use rustc_index::bit_set::BitSet; use rustc_index::IndexVec; +use rustc_macros::{Decodable, Encodable, TyDecodable, TyEncodable}; use rustc_macros::{MetadataDecodable, MetadataEncodable}; use rustc_middle::metadata::ModChild; use rustc_middle::middle::codegen_fn_attrs::CodegenFnAttrs; +use rustc_middle::middle::debugger_visualizer::DebuggerVisualizerFile; use rustc_middle::middle::exported_symbols::{ExportedSymbol, SymbolExportInfo}; +use rustc_middle::middle::lib_features::FeatureStability; use rustc_middle::middle::resolve_bound_vars::ObjectLifetimeDefault; use rustc_middle::mir; use rustc_middle::trivially_parameterized_over_tcx; @@ -33,20 +34,14 @@ use rustc_serialize::opaque::FileEncoder; use rustc_session::config::SymbolManglingVersion; use rustc_session::cstore::{CrateDepKind, ForeignModule, LinkagePreference, NativeLib}; use rustc_span::edition::Edition; -use rustc_span::hygiene::{ExpnIndex, MacroKind}; +use rustc_span::hygiene::{ExpnIndex, MacroKind, SyntaxContextData}; use rustc_span::symbol::{Ident, Symbol}; use rustc_span::{self, ExpnData, ExpnHash, ExpnId, Span}; use rustc_target::abi::{FieldIdx, VariantIdx}; use rustc_target::spec::{PanicStrategy, TargetTriple}; - use std::marker::PhantomData; use std::num::NonZero; - -use decoder::DecodeContext; -pub(crate) use decoder::{CrateMetadata, CrateNumMap, MetadataBlob}; -use encoder::EncodeContext; -pub use encoder::{encode_metadata, rendered_const, EncodedMetadata}; -use rustc_span::hygiene::SyntaxContextData; +use table::TableBuilder; mod decoder; mod def_path_hash_map; From ce222328d717d63e09a1fe38d8d4c20f7f5c6779 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 1 May 2024 07:56:44 +1000 Subject: [PATCH 0343/1716] Minor `pub` and whitespace cleanups. --- compiler/rustc_passes/src/check_attr.rs | 9 +++------ compiler/rustc_passes/src/lang_items.rs | 5 +++-- 2 files changed, 6 insertions(+), 8 deletions(-) diff --git a/compiler/rustc_passes/src/check_attr.rs b/compiler/rustc_passes/src/check_attr.rs index aadbd7473139..b1438a542aca 100644 --- a/compiler/rustc_passes/src/check_attr.rs +++ b/compiler/rustc_passes/src/check_attr.rs @@ -42,12 +42,9 @@ use std::collections::hash_map::Entry; #[derive(LintDiagnostic)] #[diag(passes_diagnostic_diagnostic_on_unimplemented_only_for_traits)] -pub struct DiagnosticOnUnimplementedOnlyForTraits; +struct DiagnosticOnUnimplementedOnlyForTraits; -pub(crate) fn target_from_impl_item<'tcx>( - tcx: TyCtxt<'tcx>, - impl_item: &hir::ImplItem<'_>, -) -> Target { +fn target_from_impl_item<'tcx>(tcx: TyCtxt<'tcx>, impl_item: &hir::ImplItem<'_>) -> Target { match impl_item.kind { hir::ImplItemKind::Const(..) => Target::AssocConst, hir::ImplItemKind::Fn(..) => { @@ -99,7 +96,7 @@ struct CheckAttrVisitor<'tcx> { } impl<'tcx> CheckAttrVisitor<'tcx> { - pub fn dcx(&self) -> &'tcx DiagCtxt { + fn dcx(&self) -> &'tcx DiagCtxt { self.tcx.dcx() } diff --git a/compiler/rustc_passes/src/lang_items.rs b/compiler/rustc_passes/src/lang_items.rs index a5fa94faeadc..b3722e99e168 100644 --- a/compiler/rustc_passes/src/lang_items.rs +++ b/compiler/rustc_passes/src/lang_items.rs @@ -149,8 +149,9 @@ impl<'ast, 'tcx> LanguageItemCollector<'ast, 'tcx> { } }; - // When there's a duplicate lang item, something went very wrong and there's no value in recovering or doing anything. - // Give the user the one message to let them debug the mess they created and then wish them farewell. + // When there's a duplicate lang item, something went very wrong and there's no value + // in recovering or doing anything. Give the user the one message to let them debug the + // mess they created and then wish them farewell. self.tcx.dcx().emit_fatal(DuplicateLangItem { local_span: item_span, lang_item_name, From c1d5b6a480072f34bd47c3c6241a19f996c0c38c Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 1 May 2024 08:42:51 +1000 Subject: [PATCH 0344/1716] Remove erroneous comment. The comment was originally in `src/librustc_mir/lib.rs`, but now that it's in `compiler/rustc_const_eval/src/lib.rs` it's no longer appropriate. --- compiler/rustc_const_eval/src/lib.rs | 6 ------ 1 file changed, 6 deletions(-) diff --git a/compiler/rustc_const_eval/src/lib.rs b/compiler/rustc_const_eval/src/lib.rs index a525b838afa2..7b293e2b5337 100644 --- a/compiler/rustc_const_eval/src/lib.rs +++ b/compiler/rustc_const_eval/src/lib.rs @@ -1,9 +1,3 @@ -/*! - -Rust MIR: a lowered representation of Rust. - -*/ - #![allow(internal_features)] #![allow(rustc::diagnostic_outside_of_impl)] #![feature(rustdoc_internals)] From ac847b2583055c05a327c59d5bf800134e4ea357 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 1 May 2024 08:56:25 +1000 Subject: [PATCH 0345/1716] Remove unused features from `rustc_middle`. --- compiler/rustc_middle/src/lib.rs | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/compiler/rustc_middle/src/lib.rs b/compiler/rustc_middle/src/lib.rs index 04fd4c8d0f7b..278434593536 100644 --- a/compiler/rustc_middle/src/lib.rs +++ b/compiler/rustc_middle/src/lib.rs @@ -35,8 +35,8 @@ #![feature(const_type_name)] #![feature(discriminant_kind)] #![feature(coroutines)] -#![feature(stmt_expr_attributes)] #![feature(if_let_guard)] +#![feature(intra_doc_pointers)] #![feature(iter_from_coroutine)] #![feature(negative_impls)] #![feature(never_type)] @@ -48,12 +48,10 @@ #![feature(type_alias_impl_trait)] #![feature(strict_provenance)] #![feature(rustc_attrs)] -#![feature(control_flow_enum)] #![feature(trait_upcasting)] #![feature(try_blocks)] #![feature(decl_macro)] #![feature(extract_if)] -#![feature(intra_doc_pointers)] #![feature(yeet_expr)] #![feature(const_option)] #![feature(ptr_alignment_type)] From 3ac816a1ca69a19fbb37e1866035ea84082f9f06 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 1 May 2024 08:57:41 +1000 Subject: [PATCH 0346/1716] Sort `rustc_middle` attributes. As is already done in several other crates, such as `rustc_errors`. --- compiler/rustc_middle/src/lib.rs | 46 +++++++++++++++++--------------- 1 file changed, 24 insertions(+), 22 deletions(-) diff --git a/compiler/rustc_middle/src/lib.rs b/compiler/rustc_middle/src/lib.rs index 278434593536..70437fdcb6ff 100644 --- a/compiler/rustc_middle/src/lib.rs +++ b/compiler/rustc_middle/src/lib.rs @@ -22,44 +22,46 @@ //! //! This API is completely unstable and subject to change. +// tidy-alphabetical-start +#![allow(internal_features)] +#![allow(rustc::diagnostic_outside_of_impl)] +#![allow(rustc::potential_query_instability)] +#![allow(rustc::untranslatable_diagnostic)] #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] #![doc(rust_logo)] -#![feature(min_exhaustive_patterns)] -#![feature(rustdoc_internals)] #![feature(allocator_api)] #![feature(array_windows)] #![feature(assert_matches)] #![feature(box_patterns)] #![feature(closure_track_caller)] -#![feature(core_intrinsics)] +#![feature(const_option)] #![feature(const_type_name)] -#![feature(discriminant_kind)] +#![feature(core_intrinsics)] #![feature(coroutines)] +#![feature(decl_macro)] +#![feature(discriminant_kind)] +#![feature(extern_types)] +#![feature(extract_if)] #![feature(if_let_guard)] #![feature(intra_doc_pointers)] #![feature(iter_from_coroutine)] +#![feature(let_chains)] +#![feature(macro_metavar_expr)] +#![feature(min_exhaustive_patterns)] +#![feature(min_specialization)] #![feature(negative_impls)] #![feature(never_type)] -#![feature(extern_types)] #![feature(new_uninit)] -#![feature(let_chains)] -#![feature(min_specialization)] -#![feature(trusted_len)] -#![feature(type_alias_impl_trait)] -#![feature(strict_provenance)] -#![feature(rustc_attrs)] -#![feature(trait_upcasting)] -#![feature(try_blocks)] -#![feature(decl_macro)] -#![feature(extract_if)] -#![feature(yeet_expr)] -#![feature(const_option)] #![feature(ptr_alignment_type)] -#![feature(macro_metavar_expr)] -#![allow(internal_features)] -#![allow(rustc::potential_query_instability)] -#![allow(rustc::diagnostic_outside_of_impl)] -#![allow(rustc::untranslatable_diagnostic)] +#![feature(rustc_attrs)] +#![feature(rustdoc_internals)] +#![feature(strict_provenance)] +#![feature(trait_upcasting)] +#![feature(trusted_len)] +#![feature(try_blocks)] +#![feature(type_alias_impl_trait)] +#![feature(yeet_expr)] +// tidy-alphabetical-end #[macro_use] extern crate tracing; From 6add5c99cd1aed9b4c816613770da89470918d7b Mon Sep 17 00:00:00 2001 From: Tobias Bucher Date: Tue, 14 May 2024 11:40:19 +0200 Subject: [PATCH 0347/1716] Document behavior of `create_dir_all` wrt. empty path The behavior makes sense because `Path::new("one_component").parent() == Some(Path::new(""))`, so if one naively wants to create the parent directory for a file to be written, it simply works. Closes #105108 by documenting the current behavior. --- library/std/src/fs.rs | 3 +++ 1 file changed, 3 insertions(+) diff --git a/library/std/src/fs.rs b/library/std/src/fs.rs index 77e94365b08e..5d78b9611a02 100644 --- a/library/std/src/fs.rs +++ b/library/std/src/fs.rs @@ -2310,6 +2310,9 @@ pub fn create_dir>(path: P) -> io::Result<()> { /// If this function returns an error, some of the parent components might have /// been created already. /// +/// If the empty path is passed to this function, it always succeeds without +/// creating any directories. +/// /// # Platform-specific behavior /// /// This function currently corresponds to multiple calls to the `mkdir` From 8f11f48a027888b71efbb1769b432606e824e577 Mon Sep 17 00:00:00 2001 From: Michael Woerister Date: Tue, 21 May 2024 10:54:36 +0200 Subject: [PATCH 0348/1716] Use Backtrace::force_capture instead of Backtrace::capture in rustc_log --- compiler/rustc_log/src/lib.rs | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/compiler/rustc_log/src/lib.rs b/compiler/rustc_log/src/lib.rs index 81257f9be882..e11c45b66e6d 100644 --- a/compiler/rustc_log/src/lib.rs +++ b/compiler/rustc_log/src/lib.rs @@ -159,7 +159,9 @@ where if !target.contains(&self.backtrace_target) { return Ok(()); } - let backtrace = std::backtrace::Backtrace::capture(); + // Use Backtrace::force_capture because we don't want to depend on the + // RUST_BACKTRACE environment variable being set. + let backtrace = std::backtrace::Backtrace::force_capture(); writeln!(writer, "stack backtrace: \n{backtrace:?}") } } From f8c992f8b481acd31cdb4c8b892696c2dd81b26e Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Tue, 21 May 2024 11:26:57 +0200 Subject: [PATCH 0349/1716] Migrate `run-make/rustdoc-scrape-examples-multiple` to `rmake.rs` --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - .../rustdoc-scrape-examples-multiple/Makefile | 5 ----- .../rustdoc-scrape-examples-multiple/rmake.rs | 6 ++++++ .../scrape.mk | 21 ------------------- 4 files changed, 6 insertions(+), 27 deletions(-) delete mode 100644 tests/run-make/rustdoc-scrape-examples-multiple/Makefile create mode 100644 tests/run-make/rustdoc-scrape-examples-multiple/rmake.rs delete mode 100644 tests/run-make/rustdoc-scrape-examples-multiple/scrape.mk diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 9b879f33778f..001cfff143ec 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -235,7 +235,6 @@ run-make/rmeta-preferred/Makefile run-make/rustc-macro-dep-files/Makefile run-make/rustdoc-io-error/Makefile run-make/rustdoc-scrape-examples-macros/Makefile -run-make/rustdoc-scrape-examples-multiple/Makefile run-make/rustdoc-verify-output-files/Makefile run-make/rustdoc-with-output-option/Makefile run-make/rustdoc-with-short-out-dir-option/Makefile diff --git a/tests/run-make/rustdoc-scrape-examples-multiple/Makefile b/tests/run-make/rustdoc-scrape-examples-multiple/Makefile deleted file mode 100644 index 453a7d4bc8b8..000000000000 --- a/tests/run-make/rustdoc-scrape-examples-multiple/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -deps := ex ex2 - -include ./scrape.mk - -all: scrape diff --git a/tests/run-make/rustdoc-scrape-examples-multiple/rmake.rs b/tests/run-make/rustdoc-scrape-examples-multiple/rmake.rs new file mode 100644 index 000000000000..e9c54fa39223 --- /dev/null +++ b/tests/run-make/rustdoc-scrape-examples-multiple/rmake.rs @@ -0,0 +1,6 @@ +#[path = "../rustdoc-scrape-examples-remap/scrape.rs"] +mod scrape; + +fn main() { + scrape::scrape(&[]); +} diff --git a/tests/run-make/rustdoc-scrape-examples-multiple/scrape.mk b/tests/run-make/rustdoc-scrape-examples-multiple/scrape.mk deleted file mode 100644 index 57220bc6635c..000000000000 --- a/tests/run-make/rustdoc-scrape-examples-multiple/scrape.mk +++ /dev/null @@ -1,21 +0,0 @@ -include ../tools.mk - -OUTPUT_DIR := "$(TMPDIR)/rustdoc" - -$(TMPDIR)/%.calls: $(TMPDIR)/libfoobar.rmeta - $(RUSTDOC) examples/$*.rs --crate-name $* --crate-type bin --output $(OUTPUT_DIR) \ - --extern foobar=$(TMPDIR)/libfoobar.rmeta \ - -Z unstable-options \ - --scrape-examples-output-path $@ \ - --scrape-examples-target-crate foobar \ - $(extra_flags) - -$(TMPDIR)/lib%.rmeta: src/lib.rs - $(RUSTC) src/lib.rs --crate-name $* --crate-type lib --emit=metadata - -scrape: $(foreach d,$(deps),$(TMPDIR)/$(d).calls) - $(RUSTDOC) src/lib.rs --crate-name foobar --crate-type lib --output $(OUTPUT_DIR) \ - -Z unstable-options \ - $(foreach d,$(deps),--with-examples $(TMPDIR)/$(d).calls) - - $(HTMLDOCCK) $(OUTPUT_DIR) src/lib.rs From 2cff3e90bcd162964546ca9936c209aa952c1af4 Mon Sep 17 00:00:00 2001 From: Georg Semmler Date: Fri, 10 May 2024 14:12:30 +0200 Subject: [PATCH 0350/1716] Move `#[do_not_recommend]` to the `#[diagnostic]` namespace This commit moves the `#[do_not_recommend]` attribute to the `#[diagnostic]` namespace. It still requires `#![feature(do_not_recommend)]` to work. --- compiler/rustc_ast/src/attr/mod.rs | 11 ++ compiler/rustc_feature/src/builtin_attrs.rs | 6 - compiler/rustc_middle/src/ty/mod.rs | 5 + compiler/rustc_passes/messages.ftl | 2 +- compiler/rustc_passes/src/check_attr.rs | 137 ++++++++++-------- compiler/rustc_passes/src/errors.rs | 7 +- compiler/rustc_resolve/src/macros.rs | 4 +- .../src/solve/fulfill.rs | 5 +- .../error_reporting/type_err_ctxt_ext.rs | 5 +- .../do_not_recommend/as_expression.rs | 2 +- .../feature-gate-do_not_recommend.rs | 14 +- .../feature-gate-do_not_recommend.stderr | 4 +- .../do_not_recommend/incorrect-locations.rs | 39 +++++ .../incorrect-locations.stderr | 52 +++++++ .../do_not_recommend/simple.rs | 2 +- .../do_not_recommend/stacked.rs | 2 +- .../do_not_recommend/unstable-feature.rs | 8 + .../do_not_recommend/unstable-feature.stderr | 14 ++ .../incorrect-locations.rs | 45 ------ .../incorrect-locations.stderr | 50 ------- .../unstable-feature.rs | 10 -- .../unstable-feature.stderr | 13 -- 22 files changed, 228 insertions(+), 209 deletions(-) rename tests/ui/{rfcs/rfc-2397-do-not-recommend => diagnostic_namespace/do_not_recommend}/feature-gate-do_not_recommend.rs (56%) rename tests/ui/{rfcs/rfc-2397-do-not-recommend => diagnostic_namespace/do_not_recommend}/feature-gate-do_not_recommend.stderr (79%) create mode 100644 tests/ui/diagnostic_namespace/do_not_recommend/incorrect-locations.rs create mode 100644 tests/ui/diagnostic_namespace/do_not_recommend/incorrect-locations.stderr create mode 100644 tests/ui/diagnostic_namespace/do_not_recommend/unstable-feature.rs create mode 100644 tests/ui/diagnostic_namespace/do_not_recommend/unstable-feature.stderr delete mode 100644 tests/ui/rfcs/rfc-2397-do-not-recommend/incorrect-locations.rs delete mode 100644 tests/ui/rfcs/rfc-2397-do-not-recommend/incorrect-locations.stderr delete mode 100644 tests/ui/rfcs/rfc-2397-do-not-recommend/unstable-feature.rs delete mode 100644 tests/ui/rfcs/rfc-2397-do-not-recommend/unstable-feature.stderr diff --git a/compiler/rustc_ast/src/attr/mod.rs b/compiler/rustc_ast/src/attr/mod.rs index 0684163617fe..d5c9fc960c86 100644 --- a/compiler/rustc_ast/src/attr/mod.rs +++ b/compiler/rustc_ast/src/attr/mod.rs @@ -13,6 +13,7 @@ use crate::util::literal::escape_string_symbol; use rustc_index::bit_set::GrowableBitSet; use rustc_span::symbol::{sym, Ident, Symbol}; use rustc_span::Span; +use smallvec::{smallvec, SmallVec}; use std::iter; use std::sync::atomic::{AtomicU32, Ordering}; use thin_vec::{thin_vec, ThinVec}; @@ -87,10 +88,20 @@ impl Attribute { AttrKind::DocComment(..) => None, } } + pub fn name_or_empty(&self) -> Symbol { self.ident().unwrap_or_else(Ident::empty).name } + pub fn path(&self) -> SmallVec<[Symbol; 1]> { + match &self.kind { + AttrKind::Normal(normal) => { + normal.item.path.segments.iter().map(|s| s.ident.name).collect() + } + AttrKind::DocComment(..) => smallvec![sym::doc], + } + } + #[inline] pub fn has_name(&self, name: Symbol) -> bool { match &self.kind { diff --git a/compiler/rustc_feature/src/builtin_attrs.rs b/compiler/rustc_feature/src/builtin_attrs.rs index dbb88e42a3eb..637ad1763041 100644 --- a/compiler/rustc_feature/src/builtin_attrs.rs +++ b/compiler/rustc_feature/src/builtin_attrs.rs @@ -515,12 +515,6 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ EncodeCrossCrate::Yes, experimental!(deprecated_safe), ), - // RFC 2397 - gated!( - do_not_recommend, Normal, template!(Word), WarnFollowing, - EncodeCrossCrate::Yes, experimental!(do_not_recommend) - ), - // `#[cfi_encoding = ""]` gated!( cfi_encoding, Normal, template!(NameValueStr: "encoding"), ErrorPreceding, diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs index 44f09b8ba217..c9f6a7c89c33 100644 --- a/compiler/rustc_middle/src/ty/mod.rs +++ b/compiler/rustc_middle/src/ty/mod.rs @@ -1805,6 +1805,11 @@ impl<'tcx> TyCtxt<'tcx> { self.get_attrs(did, attr).next().is_some() } + /// Determines whether an item is annotated with a multi-segement attribute + pub fn has_attrs_with_path(self, did: impl Into, attrs: &[Symbol]) -> bool { + self.get_attrs_by_path(did.into(), attrs).next().is_some() + } + /// Returns `true` if this is an `auto trait`. pub fn trait_is_auto(self, trait_def_id: DefId) -> bool { self.trait_def(trait_def_id).has_auto_impl diff --git a/compiler/rustc_passes/messages.ftl b/compiler/rustc_passes/messages.ftl index 3deefcaa06c3..d850644bb452 100644 --- a/compiler/rustc_passes/messages.ftl +++ b/compiler/rustc_passes/messages.ftl @@ -341,7 +341,7 @@ passes_implied_feature_not_exist = feature `{$implied_by}` implying `{$feature}` does not exist passes_incorrect_do_not_recommend_location = - `#[do_not_recommend]` can only be placed on trait implementations + `#[diagnostic::do_not_recommend]` can only be placed on trait implementations passes_incorrect_meta_item = expected a quoted string literal passes_incorrect_meta_item_suggestion = consider surrounding this with quotes diff --git a/compiler/rustc_passes/src/check_attr.rs b/compiler/rustc_passes/src/check_attr.rs index aadbd7473139..2eee1742b0db 100644 --- a/compiler/rustc_passes/src/check_attr.rs +++ b/compiler/rustc_passes/src/check_attr.rs @@ -116,92 +116,96 @@ impl<'tcx> CheckAttrVisitor<'tcx> { let mut seen = FxHashMap::default(); let attrs = self.tcx.hir().attrs(hir_id); for attr in attrs { - if attr.path_matches(&[sym::diagnostic, sym::on_unimplemented]) { - self.check_diagnostic_on_unimplemented(attr.span, hir_id, target); - } - match attr.name_or_empty() { - sym::do_not_recommend => self.check_do_not_recommend(attr.span, target), - sym::inline => self.check_inline(hir_id, attr, span, target), - sym::coverage => self.check_coverage(hir_id, attr, span, target), - sym::non_exhaustive => self.check_non_exhaustive(hir_id, attr, span, target), - sym::marker => self.check_marker(hir_id, attr, span, target), - sym::target_feature => self.check_target_feature(hir_id, attr, span, target, attrs), - sym::thread_local => self.check_thread_local(attr, span, target), - sym::track_caller => { + match attr.path().as_slice() { + [sym::diagnostic, sym::do_not_recommend] => { + self.check_do_not_recommend(attr.span, hir_id, target) + } + [sym::diagnostic, sym::on_unimplemented] => { + self.check_diagnostic_on_unimplemented(attr.span, hir_id, target) + } + [sym::inline] => self.check_inline(hir_id, attr, span, target), + [sym::coverage] => self.check_coverage(hir_id, attr, span, target), + [sym::non_exhaustive] => self.check_non_exhaustive(hir_id, attr, span, target), + [sym::marker] => self.check_marker(hir_id, attr, span, target), + [sym::target_feature] => { + self.check_target_feature(hir_id, attr, span, target, attrs) + } + [sym::thread_local] => self.check_thread_local(attr, span, target), + [sym::track_caller] => { self.check_track_caller(hir_id, attr.span, attrs, span, target) } - sym::doc => self.check_doc_attrs( + [sym::doc] => self.check_doc_attrs( attr, hir_id, target, &mut specified_inline, &mut doc_aliases, ), - sym::no_link => self.check_no_link(hir_id, attr, span, target), - sym::export_name => self.check_export_name(hir_id, attr, span, target), - sym::rustc_layout_scalar_valid_range_start - | sym::rustc_layout_scalar_valid_range_end => { + [sym::no_link] => self.check_no_link(hir_id, attr, span, target), + [sym::export_name] => self.check_export_name(hir_id, attr, span, target), + [sym::rustc_layout_scalar_valid_range_start] + | [sym::rustc_layout_scalar_valid_range_end] => { self.check_rustc_layout_scalar_valid_range(attr, span, target) } - sym::allow_internal_unstable => { + [sym::allow_internal_unstable] => { self.check_allow_internal_unstable(hir_id, attr, span, target, attrs) } - sym::debugger_visualizer => self.check_debugger_visualizer(attr, target), - sym::rustc_allow_const_fn_unstable => { + [sym::debugger_visualizer] => self.check_debugger_visualizer(attr, target), + [sym::rustc_allow_const_fn_unstable] => { self.check_rustc_allow_const_fn_unstable(hir_id, attr, span, target) } - sym::rustc_std_internal_symbol => { + [sym::rustc_std_internal_symbol] => { self.check_rustc_std_internal_symbol(attr, span, target) } - sym::naked => self.check_naked(hir_id, attr, span, target), - sym::rustc_never_returns_null_ptr => { + [sym::naked] => self.check_naked(hir_id, attr, span, target), + [sym::rustc_never_returns_null_ptr] => { self.check_applied_to_fn_or_method(hir_id, attr, span, target) } - sym::rustc_legacy_const_generics => { + [sym::rustc_legacy_const_generics] => { self.check_rustc_legacy_const_generics(hir_id, attr, span, target, item) } - sym::rustc_lint_query_instability => { + [sym::rustc_lint_query_instability] => { self.check_rustc_lint_query_instability(hir_id, attr, span, target) } - sym::rustc_lint_diagnostics => { + [sym::rustc_lint_diagnostics] => { self.check_rustc_lint_diagnostics(hir_id, attr, span, target) } - sym::rustc_lint_opt_ty => self.check_rustc_lint_opt_ty(attr, span, target), - sym::rustc_lint_opt_deny_field_access => { + [sym::rustc_lint_opt_ty] => self.check_rustc_lint_opt_ty(attr, span, target), + [sym::rustc_lint_opt_deny_field_access] => { self.check_rustc_lint_opt_deny_field_access(attr, span, target) } - sym::rustc_clean - | sym::rustc_dirty - | sym::rustc_if_this_changed - | sym::rustc_then_this_would_need => self.check_rustc_dirty_clean(attr), - sym::rustc_coinductive - | sym::rustc_must_implement_one_of - | sym::rustc_deny_explicit_impl - | sym::const_trait => self.check_must_be_applied_to_trait(attr, span, target), - sym::cmse_nonsecure_entry => { + [sym::rustc_clean] + | [sym::rustc_dirty] + | [sym::rustc_if_this_changed] + | [sym::rustc_then_this_would_need] => self.check_rustc_dirty_clean(attr), + [sym::rustc_coinductive] + | [sym::rustc_must_implement_one_of] + | [sym::rustc_deny_explicit_impl] + | [sym::const_trait] => self.check_must_be_applied_to_trait(attr, span, target), + [sym::cmse_nonsecure_entry] => { self.check_cmse_nonsecure_entry(hir_id, attr, span, target) } - sym::collapse_debuginfo => self.check_collapse_debuginfo(attr, span, target), - sym::must_not_suspend => self.check_must_not_suspend(attr, span, target), - sym::must_use => self.check_must_use(hir_id, attr, target), - sym::rustc_pass_by_value => self.check_pass_by_value(attr, span, target), - sym::rustc_allow_incoherent_impl => { + [sym::collapse_debuginfo] => self.check_collapse_debuginfo(attr, span, target), + [sym::must_not_suspend] => self.check_must_not_suspend(attr, span, target), + [sym::must_use] => self.check_must_use(hir_id, attr, target), + [sym::rustc_pass_by_value] => self.check_pass_by_value(attr, span, target), + [sym::rustc_allow_incoherent_impl] => { self.check_allow_incoherent_impl(attr, span, target) } - sym::rustc_has_incoherent_inherent_impls => { + [sym::rustc_has_incoherent_inherent_impls] => { self.check_has_incoherent_inherent_impls(attr, span, target) } - sym::ffi_pure => self.check_ffi_pure(attr.span, attrs, target), - sym::ffi_const => self.check_ffi_const(attr.span, target), - sym::rustc_const_unstable - | sym::rustc_const_stable - | sym::unstable - | sym::stable - | sym::rustc_allowed_through_unstable_modules - | sym::rustc_promotable => self.check_stability_promotable(attr, target), - sym::link_ordinal => self.check_link_ordinal(attr, span, target), - sym::rustc_confusables => self.check_confusables(attr, target), - sym::rustc_safe_intrinsic => { + [sym::ffi_pure] => self.check_ffi_pure(attr.span, attrs, target), + [sym::ffi_const] => self.check_ffi_const(attr.span, target), + [sym::rustc_const_unstable] + | [sym::rustc_const_stable] + | [sym::unstable] + | [sym::stable] + | [sym::rustc_allowed_through_unstable_modules] + | [sym::rustc_promotable] => self.check_stability_promotable(attr, target), + [sym::link_ordinal] => self.check_link_ordinal(attr, span, target), + [sym::rustc_confusables] => self.check_confusables(attr, target), + [sym::rustc_safe_intrinsic] => { self.check_rustc_safe_intrinsic(hir_id, attr, span, target) } _ => true, @@ -293,18 +297,26 @@ impl<'tcx> CheckAttrVisitor<'tcx> { ); } - /// Checks if `#[do_not_recommend]` is applied on a trait impl. - fn check_do_not_recommend(&self, attr_span: Span, target: Target) -> bool { - if let Target::Impl = target { - true - } else { - self.dcx().emit_err(errors::IncorrectDoNotRecommendLocation { span: attr_span }); - false + /// Checks if `#[diagnostic::do_not_recommend]` is applied on a trait impl. + fn check_do_not_recommend(&self, attr_span: Span, hir_id: HirId, target: Target) -> bool { + if !matches!(target, Target::Impl) { + self.tcx.emit_node_span_lint( + UNKNOWN_OR_MALFORMED_DIAGNOSTIC_ATTRIBUTES, + hir_id, + attr_span, + errors::IncorrectDoNotRecommendLocation, + ); } + true } /// Checks if `#[diagnostic::on_unimplemented]` is applied to a trait definition - fn check_diagnostic_on_unimplemented(&self, attr_span: Span, hir_id: HirId, target: Target) { + fn check_diagnostic_on_unimplemented( + &self, + attr_span: Span, + hir_id: HirId, + target: Target, + ) -> bool { if !matches!(target, Target::Trait) { self.tcx.emit_node_span_lint( UNKNOWN_OR_MALFORMED_DIAGNOSTIC_ATTRIBUTES, @@ -313,6 +325,7 @@ impl<'tcx> CheckAttrVisitor<'tcx> { DiagnosticOnUnimplementedOnlyForTraits, ); } + true } /// Checks if an `#[inline]` is applied to a function or a closure. Returns `true` if valid. diff --git a/compiler/rustc_passes/src/errors.rs b/compiler/rustc_passes/src/errors.rs index b8586e7e974a..180552785fe7 100644 --- a/compiler/rustc_passes/src/errors.rs +++ b/compiler/rustc_passes/src/errors.rs @@ -17,12 +17,9 @@ use rustc_span::{Span, Symbol, DUMMY_SP}; use crate::check_attr::ProcMacroKind; use crate::lang_items::Duplicate; -#[derive(Diagnostic)] +#[derive(LintDiagnostic)] #[diag(passes_incorrect_do_not_recommend_location)] -pub struct IncorrectDoNotRecommendLocation { - #[primary_span] - pub span: Span, -} +pub struct IncorrectDoNotRecommendLocation; #[derive(LintDiagnostic)] #[diag(passes_outer_crate_level_attr)] diff --git a/compiler/rustc_resolve/src/macros.rs b/compiler/rustc_resolve/src/macros.rs index f8d245f94e53..1910351f805e 100644 --- a/compiler/rustc_resolve/src/macros.rs +++ b/compiler/rustc_resolve/src/macros.rs @@ -567,7 +567,9 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { if res == Res::NonMacroAttr(NonMacroAttrKind::Tool) && let [namespace, attribute, ..] = &*path.segments && namespace.ident.name == sym::diagnostic - && attribute.ident.name != sym::on_unimplemented + && !(attribute.ident.name == sym::on_unimplemented + || (attribute.ident.name == sym::do_not_recommend + && self.tcx.features().do_not_recommend)) { let distance = edit_distance(attribute.ident.name.as_str(), sym::on_unimplemented.as_str(), 5); diff --git a/compiler/rustc_trait_selection/src/solve/fulfill.rs b/compiler/rustc_trait_selection/src/solve/fulfill.rs index 4933080451da..7291eb00e727 100644 --- a/compiler/rustc_trait_selection/src/solve/fulfill.rs +++ b/compiler/rustc_trait_selection/src/solve/fulfill.rs @@ -380,7 +380,10 @@ impl<'tcx> ProofTreeVisitor<'tcx> for BestObligation<'tcx> { source: CandidateSource::Impl(impl_def_id), result: _, } = candidate.kind() - && goal.infcx().tcx.has_attr(impl_def_id, sym::do_not_recommend) + && goal + .infcx() + .tcx + .has_attrs_with_path(impl_def_id, &[sym::diagnostic, sym::do_not_recommend]) { return ControlFlow::Break(self.obligation.clone()); } diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs index 20dfb5e6642d..494fca0336cc 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs @@ -1012,7 +1012,10 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { let mut base_cause = obligation.cause.code().clone(); loop { if let ObligationCauseCode::ImplDerived(ref c) = base_cause { - if self.tcx.has_attr(c.impl_or_alias_def_id, sym::do_not_recommend) { + if self.tcx.has_attrs_with_path( + c.impl_or_alias_def_id, + &[sym::diagnostic, sym::do_not_recommend], + ) { let code = (*c.derived.parent_code).clone(); obligation.cause.map_code(|_| code); obligation.predicate = c.derived.parent_trait_pred.upcast(self.tcx); diff --git a/tests/ui/diagnostic_namespace/do_not_recommend/as_expression.rs b/tests/ui/diagnostic_namespace/do_not_recommend/as_expression.rs index 9cdc193d386d..5fd5cc544009 100644 --- a/tests/ui/diagnostic_namespace/do_not_recommend/as_expression.rs +++ b/tests/ui/diagnostic_namespace/do_not_recommend/as_expression.rs @@ -26,7 +26,7 @@ impl Expression for Bound { type SqlType = T; } -#[do_not_recommend] +#[diagnostic::do_not_recommend] impl AsExpression for T where T: Expression, diff --git a/tests/ui/rfcs/rfc-2397-do-not-recommend/feature-gate-do_not_recommend.rs b/tests/ui/diagnostic_namespace/do_not_recommend/feature-gate-do_not_recommend.rs similarity index 56% rename from tests/ui/rfcs/rfc-2397-do-not-recommend/feature-gate-do_not_recommend.rs rename to tests/ui/diagnostic_namespace/do_not_recommend/feature-gate-do_not_recommend.rs index c9dc1c6e6498..5a26d28188c2 100644 --- a/tests/ui/rfcs/rfc-2397-do-not-recommend/feature-gate-do_not_recommend.rs +++ b/tests/ui/diagnostic_namespace/do_not_recommend/feature-gate-do_not_recommend.rs @@ -1,17 +1,13 @@ #![feature(do_not_recommend)] -pub trait Foo { -} +pub trait Foo {} -impl Foo for i32 { -} +impl Foo for i32 {} -pub trait Bar { -} +pub trait Bar {} -#[do_not_recommend] -impl Bar for T { -} +#[diagnostic::do_not_recommend] +impl Bar for T {} fn stuff(_: T) {} diff --git a/tests/ui/rfcs/rfc-2397-do-not-recommend/feature-gate-do_not_recommend.stderr b/tests/ui/diagnostic_namespace/do_not_recommend/feature-gate-do_not_recommend.stderr similarity index 79% rename from tests/ui/rfcs/rfc-2397-do-not-recommend/feature-gate-do_not_recommend.stderr rename to tests/ui/diagnostic_namespace/do_not_recommend/feature-gate-do_not_recommend.stderr index e6f199445bf5..3951231fa2e7 100644 --- a/tests/ui/rfcs/rfc-2397-do-not-recommend/feature-gate-do_not_recommend.stderr +++ b/tests/ui/diagnostic_namespace/do_not_recommend/feature-gate-do_not_recommend.stderr @@ -1,11 +1,11 @@ error[E0277]: the trait bound `u8: Bar` is not satisfied - --> $DIR/feature-gate-do_not_recommend.rs:19:11 + --> $DIR/feature-gate-do_not_recommend.rs:15:11 | LL | stuff(1u8); | ^^^ the trait `Bar` is not implemented for `u8` | note: required by a bound in `stuff` - --> $DIR/feature-gate-do_not_recommend.rs:16:13 + --> $DIR/feature-gate-do_not_recommend.rs:12:13 | LL | fn stuff(_: T) {} | ^^^ required by this bound in `stuff` diff --git a/tests/ui/diagnostic_namespace/do_not_recommend/incorrect-locations.rs b/tests/ui/diagnostic_namespace/do_not_recommend/incorrect-locations.rs new file mode 100644 index 000000000000..400ef83873e1 --- /dev/null +++ b/tests/ui/diagnostic_namespace/do_not_recommend/incorrect-locations.rs @@ -0,0 +1,39 @@ +//@ check-pass +#![feature(do_not_recommend)] + +#[diagnostic::do_not_recommend] +//~^WARN `#[diagnostic::do_not_recommend]` can only be placed +const CONST: () = (); + +#[diagnostic::do_not_recommend] +//~^WARN `#[diagnostic::do_not_recommend]` can only be placed +static STATIC: () = (); + +#[diagnostic::do_not_recommend] +//~^WARN `#[diagnostic::do_not_recommend]` can only be placed +type Type = (); + +#[diagnostic::do_not_recommend] +//~^WARN `#[diagnostic::do_not_recommend]` can only be placed +enum Enum {} + +#[diagnostic::do_not_recommend] +//~^WARN `#[diagnostic::do_not_recommend]` can only be placed +extern "C" {} + +#[diagnostic::do_not_recommend] +//~^WARN `#[diagnostic::do_not_recommend]` can only be placed +fn fun() {} + +#[diagnostic::do_not_recommend] +//~^WARN `#[diagnostic::do_not_recommend]` can only be placed +struct Struct {} + +#[diagnostic::do_not_recommend] +//~^WARN `#[diagnostic::do_not_recommend]` can only be placed +trait Trait {} + +#[diagnostic::do_not_recommend] +impl Trait for i32 {} + +fn main() {} diff --git a/tests/ui/diagnostic_namespace/do_not_recommend/incorrect-locations.stderr b/tests/ui/diagnostic_namespace/do_not_recommend/incorrect-locations.stderr new file mode 100644 index 000000000000..c83fd46db584 --- /dev/null +++ b/tests/ui/diagnostic_namespace/do_not_recommend/incorrect-locations.stderr @@ -0,0 +1,52 @@ +warning: `#[diagnostic::do_not_recommend]` can only be placed on trait implementations + --> $DIR/incorrect-locations.rs:4:1 + | +LL | #[diagnostic::do_not_recommend] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: `#[warn(unknown_or_malformed_diagnostic_attributes)]` on by default + +warning: `#[diagnostic::do_not_recommend]` can only be placed on trait implementations + --> $DIR/incorrect-locations.rs:8:1 + | +LL | #[diagnostic::do_not_recommend] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +warning: `#[diagnostic::do_not_recommend]` can only be placed on trait implementations + --> $DIR/incorrect-locations.rs:12:1 + | +LL | #[diagnostic::do_not_recommend] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +warning: `#[diagnostic::do_not_recommend]` can only be placed on trait implementations + --> $DIR/incorrect-locations.rs:16:1 + | +LL | #[diagnostic::do_not_recommend] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +warning: `#[diagnostic::do_not_recommend]` can only be placed on trait implementations + --> $DIR/incorrect-locations.rs:20:1 + | +LL | #[diagnostic::do_not_recommend] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +warning: `#[diagnostic::do_not_recommend]` can only be placed on trait implementations + --> $DIR/incorrect-locations.rs:24:1 + | +LL | #[diagnostic::do_not_recommend] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +warning: `#[diagnostic::do_not_recommend]` can only be placed on trait implementations + --> $DIR/incorrect-locations.rs:28:1 + | +LL | #[diagnostic::do_not_recommend] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +warning: `#[diagnostic::do_not_recommend]` can only be placed on trait implementations + --> $DIR/incorrect-locations.rs:32:1 + | +LL | #[diagnostic::do_not_recommend] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +warning: 8 warnings emitted + diff --git a/tests/ui/diagnostic_namespace/do_not_recommend/simple.rs b/tests/ui/diagnostic_namespace/do_not_recommend/simple.rs index 6fb15b90138a..780649b009c6 100644 --- a/tests/ui/diagnostic_namespace/do_not_recommend/simple.rs +++ b/tests/ui/diagnostic_namespace/do_not_recommend/simple.rs @@ -6,7 +6,7 @@ trait Foo {} -#[do_not_recommend] +#[diagnostic::do_not_recommend] impl Foo for T where T: Send {} fn needs_foo() {} diff --git a/tests/ui/diagnostic_namespace/do_not_recommend/stacked.rs b/tests/ui/diagnostic_namespace/do_not_recommend/stacked.rs index 695660d35961..fc355bdc4e20 100644 --- a/tests/ui/diagnostic_namespace/do_not_recommend/stacked.rs +++ b/tests/ui/diagnostic_namespace/do_not_recommend/stacked.rs @@ -8,7 +8,7 @@ trait Root {} trait DontRecommend {} trait Other {} -#[do_not_recommend] +#[diagnostic::do_not_recommend] impl Root for T where T: DontRecommend {} impl DontRecommend for T where T: Other {} diff --git a/tests/ui/diagnostic_namespace/do_not_recommend/unstable-feature.rs b/tests/ui/diagnostic_namespace/do_not_recommend/unstable-feature.rs new file mode 100644 index 000000000000..ccc687aa5b36 --- /dev/null +++ b/tests/ui/diagnostic_namespace/do_not_recommend/unstable-feature.rs @@ -0,0 +1,8 @@ +#![deny(unknown_or_malformed_diagnostic_attributes)] +trait Foo {} + +#[diagnostic::do_not_recommend] +//~^ ERROR unknown diagnostic attribute [unknown_or_malformed_diagnostic_attributes] +impl Foo for i32 {} + +fn main() {} diff --git a/tests/ui/diagnostic_namespace/do_not_recommend/unstable-feature.stderr b/tests/ui/diagnostic_namespace/do_not_recommend/unstable-feature.stderr new file mode 100644 index 000000000000..d8332229d4fc --- /dev/null +++ b/tests/ui/diagnostic_namespace/do_not_recommend/unstable-feature.stderr @@ -0,0 +1,14 @@ +error: unknown diagnostic attribute + --> $DIR/unstable-feature.rs:4:15 + | +LL | #[diagnostic::do_not_recommend] + | ^^^^^^^^^^^^^^^^ + | +note: the lint level is defined here + --> $DIR/unstable-feature.rs:1:9 + | +LL | #![deny(unknown_or_malformed_diagnostic_attributes)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 1 previous error + diff --git a/tests/ui/rfcs/rfc-2397-do-not-recommend/incorrect-locations.rs b/tests/ui/rfcs/rfc-2397-do-not-recommend/incorrect-locations.rs deleted file mode 100644 index 91863f5e4978..000000000000 --- a/tests/ui/rfcs/rfc-2397-do-not-recommend/incorrect-locations.rs +++ /dev/null @@ -1,45 +0,0 @@ -#![feature(do_not_recommend)] - -#[do_not_recommend] -//~^ `#[do_not_recommend]` can only be placed -const CONST: () = (); - -#[do_not_recommend] -//~^ `#[do_not_recommend]` can only be placed -static Static: () = (); - -#[do_not_recommend] -//~^ `#[do_not_recommend]` can only be placed -type Type = (); - -#[do_not_recommend] -//~^ `#[do_not_recommend]` can only be placed -enum Enum { -} - -#[do_not_recommend] -//~^ `#[do_not_recommend]` can only be placed -extern { -} - -#[do_not_recommend] -//~^ `#[do_not_recommend]` can only be placed -fn fun() { -} - -#[do_not_recommend] -//~^ `#[do_not_recommend]` can only be placed -struct Struct { -} - -#[do_not_recommend] -//~^ `#[do_not_recommend]` can only be placed -trait Trait { -} - -#[do_not_recommend] -impl Trait for i32 { -} - -fn main() { -} diff --git a/tests/ui/rfcs/rfc-2397-do-not-recommend/incorrect-locations.stderr b/tests/ui/rfcs/rfc-2397-do-not-recommend/incorrect-locations.stderr deleted file mode 100644 index 01ebc23c86e1..000000000000 --- a/tests/ui/rfcs/rfc-2397-do-not-recommend/incorrect-locations.stderr +++ /dev/null @@ -1,50 +0,0 @@ -error: `#[do_not_recommend]` can only be placed on trait implementations - --> $DIR/incorrect-locations.rs:3:1 - | -LL | #[do_not_recommend] - | ^^^^^^^^^^^^^^^^^^^ - -error: `#[do_not_recommend]` can only be placed on trait implementations - --> $DIR/incorrect-locations.rs:7:1 - | -LL | #[do_not_recommend] - | ^^^^^^^^^^^^^^^^^^^ - -error: `#[do_not_recommend]` can only be placed on trait implementations - --> $DIR/incorrect-locations.rs:11:1 - | -LL | #[do_not_recommend] - | ^^^^^^^^^^^^^^^^^^^ - -error: `#[do_not_recommend]` can only be placed on trait implementations - --> $DIR/incorrect-locations.rs:15:1 - | -LL | #[do_not_recommend] - | ^^^^^^^^^^^^^^^^^^^ - -error: `#[do_not_recommend]` can only be placed on trait implementations - --> $DIR/incorrect-locations.rs:20:1 - | -LL | #[do_not_recommend] - | ^^^^^^^^^^^^^^^^^^^ - -error: `#[do_not_recommend]` can only be placed on trait implementations - --> $DIR/incorrect-locations.rs:25:1 - | -LL | #[do_not_recommend] - | ^^^^^^^^^^^^^^^^^^^ - -error: `#[do_not_recommend]` can only be placed on trait implementations - --> $DIR/incorrect-locations.rs:30:1 - | -LL | #[do_not_recommend] - | ^^^^^^^^^^^^^^^^^^^ - -error: `#[do_not_recommend]` can only be placed on trait implementations - --> $DIR/incorrect-locations.rs:35:1 - | -LL | #[do_not_recommend] - | ^^^^^^^^^^^^^^^^^^^ - -error: aborting due to 8 previous errors - diff --git a/tests/ui/rfcs/rfc-2397-do-not-recommend/unstable-feature.rs b/tests/ui/rfcs/rfc-2397-do-not-recommend/unstable-feature.rs deleted file mode 100644 index f0c5c222e786..000000000000 --- a/tests/ui/rfcs/rfc-2397-do-not-recommend/unstable-feature.rs +++ /dev/null @@ -1,10 +0,0 @@ -trait Foo { -} - -#[do_not_recommend] -//~^ ERROR the `#[do_not_recommend]` attribute is an experimental feature -impl Foo for i32 { -} - -fn main() { -} diff --git a/tests/ui/rfcs/rfc-2397-do-not-recommend/unstable-feature.stderr b/tests/ui/rfcs/rfc-2397-do-not-recommend/unstable-feature.stderr deleted file mode 100644 index 02bc51ccd3f5..000000000000 --- a/tests/ui/rfcs/rfc-2397-do-not-recommend/unstable-feature.stderr +++ /dev/null @@ -1,13 +0,0 @@ -error[E0658]: the `#[do_not_recommend]` attribute is an experimental feature - --> $DIR/unstable-feature.rs:4:1 - | -LL | #[do_not_recommend] - | ^^^^^^^^^^^^^^^^^^^ - | - = note: see issue #51992 for more information - = help: add `#![feature(do_not_recommend)]` to the crate attributes to enable - = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date - -error: aborting due to 1 previous error - -For more information about this error, try `rustc --explain E0658`. From c0b4b454c3804aa1ffe8b500de87943c1f4099f7 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Tue, 21 May 2024 12:17:34 +0200 Subject: [PATCH 0351/1716] interpret: make overflowing binops just normal binops --- compiler/rustc_const_eval/messages.ftl | 7 +- .../src/const_eval/dummy_machine.rs | 4 +- .../src/const_eval/machine.rs | 2 +- compiler/rustc_const_eval/src/errors.rs | 16 ++ .../src/interpret/discriminant.rs | 8 +- .../src/interpret/intrinsics.rs | 24 +- .../rustc_const_eval/src/interpret/machine.rs | 2 +- .../rustc_const_eval/src/interpret/operand.rs | 22 +- .../src/interpret/operator.rs | 237 ++++++------------ .../rustc_const_eval/src/interpret/step.rs | 14 +- .../src/interpret/terminator.rs | 2 +- .../rustc_middle/src/mir/interpret/error.rs | 19 +- compiler/rustc_middle/src/mir/tcx.rs | 14 +- .../src/dataflow_const_prop.rs | 31 ++- compiler/rustc_mir_transform/src/gvn.rs | 19 +- .../src/known_panics_lint.rs | 67 ++--- src/tools/miri/src/concurrency/data_race.rs | 11 +- src/tools/miri/src/intrinsics/atomic.rs | 8 +- src/tools/miri/src/intrinsics/mod.rs | 8 +- src/tools/miri/src/intrinsics/simd.rs | 36 +-- src/tools/miri/src/machine.rs | 2 +- src/tools/miri/src/operator.rs | 12 +- src/tools/miri/src/shims/x86/mod.rs | 53 ++-- .../tests/fail/intrinsics/simd-shl-too-far.rs | 2 +- .../fail/intrinsics/simd-shl-too-far.stderr | 4 +- .../tests/fail/intrinsics/simd-shr-too-far.rs | 2 +- .../fail/intrinsics/simd-shr-too-far.stderr | 4 +- .../tests/fail/intrinsics/unchecked_add1.rs | 2 +- .../fail/intrinsics/unchecked_add1.stderr | 4 +- .../tests/fail/intrinsics/unchecked_add2.rs | 2 +- .../fail/intrinsics/unchecked_add2.stderr | 4 +- .../tests/fail/intrinsics/unchecked_mul1.rs | 2 +- .../fail/intrinsics/unchecked_mul1.stderr | 4 +- .../tests/fail/intrinsics/unchecked_mul2.rs | 2 +- .../fail/intrinsics/unchecked_mul2.stderr | 4 +- .../tests/fail/intrinsics/unchecked_sub1.rs | 2 +- .../fail/intrinsics/unchecked_sub1.stderr | 4 +- .../tests/fail/intrinsics/unchecked_sub2.rs | 2 +- .../fail/intrinsics/unchecked_sub2.stderr | 4 +- tests/ui/consts/const-int-unchecked.stderr | 6 +- 40 files changed, 323 insertions(+), 349 deletions(-) diff --git a/compiler/rustc_const_eval/messages.ftl b/compiler/rustc_const_eval/messages.ftl index 20f0f27517ff..2dbeb7d5e0ca 100644 --- a/compiler/rustc_const_eval/messages.ftl +++ b/compiler/rustc_const_eval/messages.ftl @@ -246,11 +246,10 @@ const_eval_offset_from_unsigned_overflow = const_eval_operator_non_const = cannot call non-const operator in {const_eval_const_context}s -const_eval_overflow = - overflow executing `{$name}` - +const_eval_overflow_arith = + arithmetic overflow in `{$intrinsic}` const_eval_overflow_shift = - overflowing shift by {$val} in `{$name}` + overflowing shift by {$shift_amount} in `{$intrinsic}` const_eval_panic = the evaluated program panicked at '{$msg}', {$file}:{$line}:{$col} diff --git a/compiler/rustc_const_eval/src/const_eval/dummy_machine.rs b/compiler/rustc_const_eval/src/const_eval/dummy_machine.rs index 94c9f056b302..530a05a1ed88 100644 --- a/compiler/rustc_const_eval/src/const_eval/dummy_machine.rs +++ b/compiler/rustc_const_eval/src/const_eval/dummy_machine.rs @@ -125,7 +125,7 @@ impl<'mir, 'tcx: 'mir> interpret::Machine<'mir, 'tcx> for DummyMachine { bin_op: BinOp, left: &interpret::ImmTy<'tcx, Self::Provenance>, right: &interpret::ImmTy<'tcx, Self::Provenance>, - ) -> interpret::InterpResult<'tcx, (ImmTy<'tcx, Self::Provenance>, bool)> { + ) -> interpret::InterpResult<'tcx, ImmTy<'tcx, Self::Provenance>> { use rustc_middle::mir::BinOp::*; Ok(match bin_op { Eq | Ne | Lt | Le | Gt | Ge => { @@ -154,7 +154,7 @@ impl<'mir, 'tcx: 'mir> interpret::Machine<'mir, 'tcx> for DummyMachine { Ge => left >= right, _ => bug!(), }; - (ImmTy::from_bool(res, *ecx.tcx), false) + ImmTy::from_bool(res, *ecx.tcx) } // Some more operations are possible with atomics. diff --git a/compiler/rustc_const_eval/src/const_eval/machine.rs b/compiler/rustc_const_eval/src/const_eval/machine.rs index 836e548ae2b7..315d4c15a9b1 100644 --- a/compiler/rustc_const_eval/src/const_eval/machine.rs +++ b/compiler/rustc_const_eval/src/const_eval/machine.rs @@ -589,7 +589,7 @@ impl<'mir, 'tcx> interpret::Machine<'mir, 'tcx> for CompileTimeInterpreter<'mir, _bin_op: mir::BinOp, _left: &ImmTy<'tcx>, _right: &ImmTy<'tcx>, - ) -> InterpResult<'tcx, (ImmTy<'tcx>, bool)> { + ) -> InterpResult<'tcx, ImmTy<'tcx>> { throw_unsup_format!("pointer arithmetic or comparison is not supported at compile-time"); } diff --git a/compiler/rustc_const_eval/src/errors.rs b/compiler/rustc_const_eval/src/errors.rs index 90d4f1168e4f..e5ea4c3442ea 100644 --- a/compiler/rustc_const_eval/src/errors.rs +++ b/compiler/rustc_const_eval/src/errors.rs @@ -1,5 +1,6 @@ use std::borrow::Cow; +use either::Either; use rustc_errors::{ codes::*, Diag, DiagArgValue, DiagCtxt, DiagMessage, Diagnostic, EmissionGuarantee, Level, }; @@ -481,6 +482,8 @@ impl<'a> ReportErrorExt for UndefinedBehaviorInfo<'a> { DivisionOverflow => const_eval_division_overflow, RemainderOverflow => const_eval_remainder_overflow, PointerArithOverflow => const_eval_pointer_arithmetic_overflow, + ArithOverflow { .. } => const_eval_overflow_arith, + ShiftOverflow { .. } => const_eval_overflow_shift, InvalidMeta(InvalidMetaKind::SliceTooBig) => const_eval_invalid_meta_slice, InvalidMeta(InvalidMetaKind::TooBig) => const_eval_invalid_meta, UnterminatedCString(_) => const_eval_unterminated_c_string, @@ -539,6 +542,19 @@ impl<'a> ReportErrorExt for UndefinedBehaviorInfo<'a> { | UninhabitedEnumVariantWritten(_) | UninhabitedEnumVariantRead(_) => {} + ArithOverflow { intrinsic } => { + diag.arg("intrinsic", intrinsic); + } + ShiftOverflow { intrinsic, shift_amount } => { + diag.arg("intrinsic", intrinsic); + diag.arg( + "shift_amount", + match shift_amount { + Either::Left(v) => v.to_string(), + Either::Right(v) => v.to_string(), + }, + ); + } BoundsCheckFailed { len, index } => { diag.arg("len", len); diag.arg("index", index); diff --git a/compiler/rustc_const_eval/src/interpret/discriminant.rs b/compiler/rustc_const_eval/src/interpret/discriminant.rs index 8ddc741de239..f0f898fdd288 100644 --- a/compiler/rustc_const_eval/src/interpret/discriminant.rs +++ b/compiler/rustc_const_eval/src/interpret/discriminant.rs @@ -172,7 +172,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { let tag_val = ImmTy::from_uint(tag_bits, tag_layout); let niche_start_val = ImmTy::from_uint(niche_start, tag_layout); let variant_index_relative_val = - self.wrapping_binary_op(mir::BinOp::Sub, &tag_val, &niche_start_val)?; + self.binary_op(mir::BinOp::Sub, &tag_val, &niche_start_val)?; let variant_index_relative = variant_index_relative_val.to_scalar().assert_bits(tag_val.layout.size); // Check if this is in the range that indicates an actual discriminant. @@ -292,11 +292,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { let variant_index_relative_val = ImmTy::from_uint(variant_index_relative, tag_layout); let tag = self - .wrapping_binary_op( - mir::BinOp::Add, - &variant_index_relative_val, - &niche_start_val, - )? + .binary_op(mir::BinOp::Add, &variant_index_relative_val, &niche_start_val)? .to_scalar() .assert_int(); Ok(Some((tag, tag_field))) diff --git a/compiler/rustc_const_eval/src/interpret/intrinsics.rs b/compiler/rustc_const_eval/src/interpret/intrinsics.rs index dce4d56f7e00..030ae942b809 100644 --- a/compiler/rustc_const_eval/src/interpret/intrinsics.rs +++ b/compiler/rustc_const_eval/src/interpret/intrinsics.rs @@ -285,9 +285,10 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { let (val, overflowed) = { let a_offset = ImmTy::from_uint(a_offset, usize_layout); let b_offset = ImmTy::from_uint(b_offset, usize_layout); - self.overflowing_binary_op(BinOp::Sub, &a_offset, &b_offset)? + self.binary_op(BinOp::SubWithOverflow, &a_offset, &b_offset)? + .to_scalar_pair() }; - if overflowed { + if overflowed.to_bool()? { // a < b if intrinsic_name == sym::ptr_offset_from_unsigned { throw_ub_custom!( @@ -299,7 +300,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { // The signed form of the intrinsic allows this. If we interpret the // difference as isize, we'll get the proper signed difference. If that // seems *positive*, they were more than isize::MAX apart. - let dist = val.to_scalar().to_target_isize(self)?; + let dist = val.to_target_isize(self)?; if dist >= 0 { throw_ub_custom!( fluent::const_eval_offset_from_underflow, @@ -309,7 +310,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { dist } else { // b >= a - let dist = val.to_scalar().to_target_isize(self)?; + let dist = val.to_target_isize(self)?; // If converting to isize produced a *negative* result, we had an overflow // because they were more than isize::MAX apart. if dist < 0 { @@ -515,9 +516,8 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { // Performs an exact division, resulting in undefined behavior where // `x % y != 0` or `y == 0` or `x == T::MIN && y == -1`. // First, check x % y != 0 (or if that computation overflows). - let (res, overflow) = self.overflowing_binary_op(BinOp::Rem, a, b)?; - assert!(!overflow); // All overflow is UB, so this should never return on overflow. - if res.to_scalar().assert_bits(a.layout.size) != 0 { + let rem = self.binary_op(BinOp::Rem, a, b)?; + if rem.to_scalar().assert_bits(a.layout.size) != 0 { throw_ub_custom!( fluent::const_eval_exact_div_has_remainder, a = format!("{a}"), @@ -525,7 +525,8 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { ) } // `Rem` says this is all right, so we can let `Div` do its job. - self.binop_ignore_overflow(BinOp::Div, a, b, &dest.clone().into()) + let res = self.binary_op(BinOp::Div, a, b)?; + self.write_immediate(*res, dest) } pub fn saturating_arith( @@ -538,8 +539,9 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { assert!(matches!(l.layout.ty.kind(), ty::Int(..) | ty::Uint(..))); assert!(matches!(mir_op, BinOp::Add | BinOp::Sub)); - let (val, overflowed) = self.overflowing_binary_op(mir_op, l, r)?; - Ok(if overflowed { + let (val, overflowed) = + self.binary_op(mir_op.wrapping_to_overflowing().unwrap(), l, r)?.to_scalar_pair(); + Ok(if overflowed.to_bool()? { let size = l.layout.size; let num_bits = size.bits(); if l.layout.abi.is_signed() { @@ -570,7 +572,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { } } } else { - val.to_scalar() + val }) } diff --git a/compiler/rustc_const_eval/src/interpret/machine.rs b/compiler/rustc_const_eval/src/interpret/machine.rs index 2eaebc1924bc..72a16dbe4d6a 100644 --- a/compiler/rustc_const_eval/src/interpret/machine.rs +++ b/compiler/rustc_const_eval/src/interpret/machine.rs @@ -252,7 +252,7 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized { bin_op: mir::BinOp, left: &ImmTy<'tcx, Self::Provenance>, right: &ImmTy<'tcx, Self::Provenance>, - ) -> InterpResult<'tcx, (ImmTy<'tcx, Self::Provenance>, bool)>; + ) -> InterpResult<'tcx, ImmTy<'tcx, Self::Provenance>>; /// Generate the NaN returned by a float operation, given the list of inputs. /// (This is all inputs, not just NaN inputs!) diff --git a/compiler/rustc_const_eval/src/interpret/operand.rs b/compiler/rustc_const_eval/src/interpret/operand.rs index bad9732f4831..71d22e1ca862 100644 --- a/compiler/rustc_const_eval/src/interpret/operand.rs +++ b/compiler/rustc_const_eval/src/interpret/operand.rs @@ -7,7 +7,7 @@ use either::{Either, Left, Right}; use rustc_hir::def::Namespace; use rustc_middle::mir::interpret::ScalarSizeMismatch; -use rustc_middle::ty::layout::{LayoutOf, TyAndLayout}; +use rustc_middle::ty::layout::{HasParamEnv, HasTyCtxt, LayoutOf, TyAndLayout}; use rustc_middle::ty::print::{FmtPrinter, PrettyPrinter}; use rustc_middle::ty::{ConstInt, ScalarInt, Ty, TyCtxt}; use rustc_middle::{bug, span_bug}; @@ -249,6 +249,15 @@ impl<'tcx, Prov: Provenance> ImmTy<'tcx, Prov> { Self::from_scalar(Scalar::from_i8(c as i8), layout) } + pub fn from_pair(a: Self, b: Self, tcx: TyCtxt<'tcx>) -> Self { + let layout = tcx + .layout_of( + ty::ParamEnv::reveal_all().and(Ty::new_tup(tcx, &[a.layout.ty, b.layout.ty])), + ) + .unwrap(); + Self::from_scalar_pair(a.to_scalar(), b.to_scalar(), layout) + } + /// Return the immediate as a `ScalarInt`. Ensures that it has the size that the layout of the /// immediate indicates. #[inline] @@ -270,6 +279,17 @@ impl<'tcx, Prov: Provenance> ImmTy<'tcx, Prov> { ConstInt::new(int, self.layout.ty.is_signed(), self.layout.ty.is_ptr_sized_integral()) } + #[inline] + #[cfg_attr(debug_assertions, track_caller)] // only in debug builds due to perf (see #98980) + pub fn to_pair(self, cx: &(impl HasTyCtxt<'tcx> + HasParamEnv<'tcx>)) -> (Self, Self) { + let layout = self.layout; + let (val0, val1) = self.to_scalar_pair(); + ( + ImmTy::from_scalar(val0, layout.field(cx, 0)), + ImmTy::from_scalar(val1, layout.field(cx, 1)), + ) + } + /// Compute the "sub-immediate" that is located within the `base` at the given offset with the /// given layout. // Not called `offset` to avoid confusion with the trait method. diff --git a/compiler/rustc_const_eval/src/interpret/operator.rs b/compiler/rustc_const_eval/src/interpret/operator.rs index 5f59e3d887e4..009f94538a3d 100644 --- a/compiler/rustc_const_eval/src/interpret/operator.rs +++ b/compiler/rustc_const_eval/src/interpret/operator.rs @@ -1,78 +1,22 @@ +use either::Either; + use rustc_apfloat::{Float, FloatConvert}; use rustc_middle::mir; use rustc_middle::mir::interpret::{InterpResult, Scalar}; use rustc_middle::ty::layout::{LayoutOf, TyAndLayout}; -use rustc_middle::ty::{self, FloatTy, ScalarInt, Ty}; +use rustc_middle::ty::{self, FloatTy, ScalarInt}; use rustc_middle::{bug, span_bug}; use rustc_span::symbol::sym; -use rustc_target::abi::Abi; -use super::{err_ub, throw_ub, throw_ub_custom, ImmTy, Immediate, InterpCx, Machine, PlaceTy}; - -use crate::fluent_generated as fluent; +use super::{err_ub, throw_ub, ImmTy, InterpCx, Machine}; impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { - /// Applies the binary operation `op` to the two operands and writes a tuple of the result - /// and a boolean signifying the potential overflow to the destination. - pub fn binop_with_overflow( - &mut self, - op: mir::BinOp, - left: &ImmTy<'tcx, M::Provenance>, - right: &ImmTy<'tcx, M::Provenance>, - dest: &PlaceTy<'tcx, M::Provenance>, - ) -> InterpResult<'tcx> { - let (val, overflowed) = self.overflowing_binary_op(op, left, right)?; - debug_assert_eq!( - Ty::new_tup(self.tcx.tcx, &[val.layout.ty, self.tcx.types.bool]), - dest.layout.ty, - "type mismatch for result of {op:?}", - ); - // Write the result to `dest`. - if let Abi::ScalarPair(..) = dest.layout.abi { - // We can use the optimized path and avoid `place_field` (which might do - // `force_allocation`). - let pair = Immediate::ScalarPair(val.to_scalar(), Scalar::from_bool(overflowed)); - self.write_immediate(pair, dest)?; - } else { - assert!(self.tcx.sess.opts.unstable_opts.randomize_layout); - // With randomized layout, `(int, bool)` might cease to be a `ScalarPair`, so we have to - // do a component-wise write here. This code path is slower than the above because - // `place_field` will have to `force_allocate` locals here. - let val_field = self.project_field(dest, 0)?; - self.write_scalar(val.to_scalar(), &val_field)?; - let overflowed_field = self.project_field(dest, 1)?; - self.write_scalar(Scalar::from_bool(overflowed), &overflowed_field)?; - } - Ok(()) - } - - /// Applies the binary operation `op` to the arguments and writes the result to the - /// destination. - pub fn binop_ignore_overflow( - &mut self, - op: mir::BinOp, - left: &ImmTy<'tcx, M::Provenance>, - right: &ImmTy<'tcx, M::Provenance>, - dest: &PlaceTy<'tcx, M::Provenance>, - ) -> InterpResult<'tcx> { - let val = self.wrapping_binary_op(op, left, right)?; - assert_eq!(val.layout.ty, dest.layout.ty, "type mismatch for result of {op:?}"); - self.write_immediate(*val, dest) - } -} - -impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { - fn three_way_compare(&self, lhs: T, rhs: T) -> (ImmTy<'tcx, M::Provenance>, bool) { + fn three_way_compare(&self, lhs: T, rhs: T) -> ImmTy<'tcx, M::Provenance> { let res = Ord::cmp(&lhs, &rhs); - return (ImmTy::from_ordering(res, *self.tcx), false); + return ImmTy::from_ordering(res, *self.tcx); } - fn binary_char_op( - &self, - bin_op: mir::BinOp, - l: char, - r: char, - ) -> (ImmTy<'tcx, M::Provenance>, bool) { + fn binary_char_op(&self, bin_op: mir::BinOp, l: char, r: char) -> ImmTy<'tcx, M::Provenance> { use rustc_middle::mir::BinOp::*; if bin_op == Cmp { @@ -88,15 +32,10 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { Ge => l >= r, _ => span_bug!(self.cur_span(), "Invalid operation on char: {:?}", bin_op), }; - (ImmTy::from_bool(res, *self.tcx), false) + ImmTy::from_bool(res, *self.tcx) } - fn binary_bool_op( - &self, - bin_op: mir::BinOp, - l: bool, - r: bool, - ) -> (ImmTy<'tcx, M::Provenance>, bool) { + fn binary_bool_op(&self, bin_op: mir::BinOp, l: bool, r: bool) -> ImmTy<'tcx, M::Provenance> { use rustc_middle::mir::BinOp::*; let res = match bin_op { @@ -111,7 +50,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { BitXor => l ^ r, _ => span_bug!(self.cur_span(), "Invalid operation on bool: {:?}", bin_op), }; - (ImmTy::from_bool(res, *self.tcx), false) + ImmTy::from_bool(res, *self.tcx) } fn binary_float_op + Into>>( @@ -120,14 +59,14 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { layout: TyAndLayout<'tcx>, l: F, r: F, - ) -> (ImmTy<'tcx, M::Provenance>, bool) { + ) -> ImmTy<'tcx, M::Provenance> { use rustc_middle::mir::BinOp::*; // Performs appropriate non-deterministic adjustments of NaN results. let adjust_nan = |f: F| -> F { if f.is_nan() { M::generate_nan(self, &[l, r]) } else { f } }; - let val = match bin_op { + match bin_op { Eq => ImmTy::from_bool(l == r, *self.tcx), Ne => ImmTy::from_bool(l != r, *self.tcx), Lt => ImmTy::from_bool(l < r, *self.tcx), @@ -140,8 +79,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { Div => ImmTy::from_scalar(adjust_nan((l / r).value).into(), layout), Rem => ImmTy::from_scalar(adjust_nan((l % r).value).into(), layout), _ => span_bug!(self.cur_span(), "invalid float op: `{:?}`", bin_op), - }; - (val, false) + } } fn binary_int_op( @@ -149,7 +87,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { bin_op: mir::BinOp, left: &ImmTy<'tcx, M::Provenance>, right: &ImmTy<'tcx, M::Provenance>, - ) -> InterpResult<'tcx, (ImmTy<'tcx, M::Provenance>, bool)> { + ) -> InterpResult<'tcx, ImmTy<'tcx, M::Provenance>> { use rustc_middle::mir::BinOp::*; // This checks the size, so that we can just assert it below. @@ -169,25 +107,27 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { ShrUnchecked => Some(sym::unchecked_shr), _ => None, }; + let with_overflow = bin_op.is_overflowing(); // Shift ops can have an RHS with a different numeric type. if matches!(bin_op, Shl | ShlUnchecked | Shr | ShrUnchecked) { let size = left.layout.size.bits(); - // The shift offset is implicitly masked to the type size. (This is the one MIR operator - // that does *not* directly map to a single LLVM operation.) Compute how much we - // actually shift and whether there was an overflow due to shifting too much. + // Compute the equivalent shift modulo `size` that is in the range `0..size`. (This is + // the one MIR operator that does *not* directly map to a single LLVM operation.) let (shift_amount, overflow) = if right.layout.abi.is_signed() { let shift_amount = r_signed(); let overflow = shift_amount < 0 || shift_amount >= i128::from(size); // Deliberately wrapping `as` casts: shift_amount *can* be negative, but the result // of the `as` will be equal modulo `size` (since it is a power of two). let masked_amount = (shift_amount as u128) % u128::from(size); - assert_eq!(overflow, shift_amount != (masked_amount as i128)); + assert_eq!(overflow, shift_amount != i128::try_from(masked_amount).unwrap()); (masked_amount, overflow) } else { let shift_amount = r_unsigned(); + let overflow = shift_amount >= u128::from(size); let masked_amount = shift_amount % u128::from(size); - (masked_amount, shift_amount != masked_amount) + assert_eq!(overflow, shift_amount != masked_amount); + (masked_amount, overflow) }; let shift_amount = u32::try_from(shift_amount).unwrap(); // we masked so this will always fit // Compute the shifted result. @@ -209,19 +149,18 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { ScalarInt::truncate_from_uint(result, left.layout.size).0 }; - if overflow && let Some(intrinsic_name) = throw_ub_on_overflow { - throw_ub_custom!( - fluent::const_eval_overflow_shift, - val = if right.layout.abi.is_signed() { - r_signed().to_string() + if overflow && let Some(intrinsic) = throw_ub_on_overflow { + throw_ub!(ShiftOverflow { + intrinsic, + shift_amount: if right.layout.abi.is_signed() { + Either::Right(r_signed()) } else { - r_unsigned().to_string() - }, - name = intrinsic_name - ); + Either::Left(r_unsigned()) + } + }); } - return Ok((ImmTy::from_scalar_int(result, left.layout), overflow)); + return Ok(ImmTy::from_scalar_int(result, left.layout)); } // For the remaining ops, the types must be the same on both sides @@ -246,7 +185,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { _ => None, }; if let Some(op) = op { - return Ok((ImmTy::from_bool(op(&l_signed(), &r_signed()), *self.tcx), false)); + return Ok(ImmTy::from_bool(op(&l_signed(), &r_signed()), *self.tcx)); } if bin_op == Cmp { return Ok(self.three_way_compare(l_signed(), r_signed())); @@ -256,9 +195,9 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { Rem if r.is_null() => throw_ub!(RemainderByZero), Div => Some(i128::overflowing_div), Rem => Some(i128::overflowing_rem), - Add | AddUnchecked => Some(i128::overflowing_add), - Sub | SubUnchecked => Some(i128::overflowing_sub), - Mul | MulUnchecked => Some(i128::overflowing_mul), + Add | AddUnchecked | AddWithOverflow => Some(i128::overflowing_add), + Sub | SubUnchecked | SubWithOverflow => Some(i128::overflowing_sub), + Mul | MulUnchecked | MulWithOverflow => Some(i128::overflowing_mul), _ => None, }; if let Some(op) = op { @@ -282,10 +221,16 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { // If that truncation loses any information, we have an overflow. let (result, lossy) = ScalarInt::truncate_from_int(result, left.layout.size); let overflow = oflo || lossy; - if overflow && let Some(intrinsic_name) = throw_ub_on_overflow { - throw_ub_custom!(fluent::const_eval_overflow, name = intrinsic_name); + if overflow && let Some(intrinsic) = throw_ub_on_overflow { + throw_ub!(ArithOverflow { intrinsic }); } - return Ok((ImmTy::from_scalar_int(result, left.layout), overflow)); + let res = ImmTy::from_scalar_int(result, left.layout); + return Ok(if with_overflow { + let overflow = ImmTy::from_bool(overflow, *self.tcx); + ImmTy::from_pair(res, overflow, *self.tcx) + } else { + res + }); } } // From here on it's okay to treat everything as unsigned. @@ -296,7 +241,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { return Ok(self.three_way_compare(l, r)); } - let val = match bin_op { + Ok(match bin_op { Eq => ImmTy::from_bool(l == r, *self.tcx), Ne => ImmTy::from_bool(l != r, *self.tcx), @@ -309,40 +254,42 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { BitAnd => ImmTy::from_uint(l & r, left.layout), BitXor => ImmTy::from_uint(l ^ r, left.layout), - Add | AddUnchecked | Sub | SubUnchecked | Mul | MulUnchecked | Rem | Div => { + _ => { assert!(!left.layout.abi.is_signed()); let op: fn(u128, u128) -> (u128, bool) = match bin_op { - Add | AddUnchecked => u128::overflowing_add, - Sub | SubUnchecked => u128::overflowing_sub, - Mul | MulUnchecked => u128::overflowing_mul, + Add | AddUnchecked | AddWithOverflow => u128::overflowing_add, + Sub | SubUnchecked | SubWithOverflow => u128::overflowing_sub, + Mul | MulUnchecked | MulWithOverflow => u128::overflowing_mul, Div if r == 0 => throw_ub!(DivisionByZero), Rem if r == 0 => throw_ub!(RemainderByZero), Div => u128::overflowing_div, Rem => u128::overflowing_rem, - _ => bug!(), + _ => span_bug!( + self.cur_span(), + "invalid binary op {:?}: {:?}, {:?} (both {})", + bin_op, + left, + right, + right.layout.ty, + ), }; let (result, oflo) = op(l, r); // Truncate to target type. // If that truncation loses any information, we have an overflow. let (result, lossy) = ScalarInt::truncate_from_uint(result, left.layout.size); let overflow = oflo || lossy; - if overflow && let Some(intrinsic_name) = throw_ub_on_overflow { - throw_ub_custom!(fluent::const_eval_overflow, name = intrinsic_name); + if overflow && let Some(intrinsic) = throw_ub_on_overflow { + throw_ub!(ArithOverflow { intrinsic }); + } + let res = ImmTy::from_scalar_int(result, left.layout); + if with_overflow { + let overflow = ImmTy::from_bool(overflow, *self.tcx); + ImmTy::from_pair(res, overflow, *self.tcx) + } else { + res } - return Ok((ImmTy::from_scalar_int(result, left.layout), overflow)); } - - _ => span_bug!( - self.cur_span(), - "invalid binary op {:?}: {:?}, {:?} (both {})", - bin_op, - left, - right, - right.layout.ty, - ), - }; - - Ok((val, false)) + }) } fn binary_ptr_op( @@ -350,7 +297,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { bin_op: mir::BinOp, left: &ImmTy<'tcx, M::Provenance>, right: &ImmTy<'tcx, M::Provenance>, - ) -> InterpResult<'tcx, (ImmTy<'tcx, M::Provenance>, bool)> { + ) -> InterpResult<'tcx, ImmTy<'tcx, M::Provenance>> { use rustc_middle::mir::BinOp::*; match bin_op { @@ -369,10 +316,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { offset_count.checked_mul(pointee_size).ok_or(err_ub!(PointerArithOverflow))?; let offset_ptr = self.ptr_offset_inbounds(ptr, offset_bytes)?; - Ok(( - ImmTy::from_scalar(Scalar::from_maybe_pointer(offset_ptr, self), left.layout), - false, - )) + Ok(ImmTy::from_scalar(Scalar::from_maybe_pointer(offset_ptr, self), left.layout)) } // Fall back to machine hook so Miri can support more pointer ops. @@ -381,12 +325,12 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { } /// Returns the result of the specified operation, and whether it overflowed. - pub fn overflowing_binary_op( + pub fn binary_op( &self, bin_op: mir::BinOp, left: &ImmTy<'tcx, M::Provenance>, right: &ImmTy<'tcx, M::Provenance>, - ) -> InterpResult<'tcx, (ImmTy<'tcx, M::Provenance>, bool)> { + ) -> InterpResult<'tcx, ImmTy<'tcx, M::Provenance>> { trace!( "Running binary op {:?}: {:?} ({}), {:?} ({})", bin_op, @@ -458,24 +402,13 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { } } - #[inline] - pub fn wrapping_binary_op( - &self, - bin_op: mir::BinOp, - left: &ImmTy<'tcx, M::Provenance>, - right: &ImmTy<'tcx, M::Provenance>, - ) -> InterpResult<'tcx, ImmTy<'tcx, M::Provenance>> { - let (val, _overflow) = self.overflowing_binary_op(bin_op, left, right)?; - Ok(val) - } - /// Returns the result of the specified operation, whether it overflowed, and /// the result type. - pub fn overflowing_unary_op( + pub fn unary_op( &self, un_op: mir::UnOp, val: &ImmTy<'tcx, M::Provenance>, - ) -> InterpResult<'tcx, (ImmTy<'tcx, M::Provenance>, bool)> { + ) -> InterpResult<'tcx, ImmTy<'tcx, M::Provenance>> { use rustc_middle::mir::UnOp::*; let layout = val.layout; @@ -489,7 +422,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { Not => !val, _ => span_bug!(self.cur_span(), "Invalid bool op {:?}", un_op), }; - Ok((ImmTy::from_bool(res, *self.tcx), false)) + Ok(ImmTy::from_bool(res, *self.tcx)) } ty::Float(fty) => { // No NaN adjustment here, `-` is a bitwise operation! @@ -498,37 +431,25 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { (Neg, FloatTy::F64) => Scalar::from_f64(-val.to_f64()?), _ => span_bug!(self.cur_span(), "Invalid float op {:?}", un_op), }; - Ok((ImmTy::from_scalar(res, layout), false)) + Ok(ImmTy::from_scalar(res, layout)) } _ => { assert!(layout.ty.is_integral()); let val = val.to_bits(layout.size)?; - let (res, overflow) = match un_op { - Not => (self.truncate(!val, layout), false), // bitwise negation, then truncate + let res = match un_op { + Not => self.truncate(!val, layout), // bitwise negation, then truncate Neg => { // arithmetic negation assert!(layout.abi.is_signed()); let val = self.sign_extend(val, layout) as i128; - let (res, overflow) = val.overflowing_neg(); + let res = val.wrapping_neg(); let res = res as u128; // Truncate to target type. - // If that truncation loses any information, we have an overflow. - let truncated = self.truncate(res, layout); - (truncated, overflow || self.sign_extend(truncated, layout) != res) + self.truncate(res, layout) } }; - Ok((ImmTy::from_uint(res, layout), overflow)) + Ok(ImmTy::from_uint(res, layout)) } } } - - #[inline] - pub fn wrapping_unary_op( - &self, - un_op: mir::UnOp, - val: &ImmTy<'tcx, M::Provenance>, - ) -> InterpResult<'tcx, ImmTy<'tcx, M::Provenance>> { - let (val, _overflow) = self.overflowing_unary_op(un_op, val)?; - Ok(val) - } } diff --git a/compiler/rustc_const_eval/src/interpret/step.rs b/compiler/rustc_const_eval/src/interpret/step.rs index cb72d55a9ba1..4d653bc47195 100644 --- a/compiler/rustc_const_eval/src/interpret/step.rs +++ b/compiler/rustc_const_eval/src/interpret/step.rs @@ -167,19 +167,17 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { let left = self.read_immediate(&self.eval_operand(left, layout)?)?; let layout = util::binop_right_homogeneous(bin_op).then_some(left.layout); let right = self.read_immediate(&self.eval_operand(right, layout)?)?; - if let Some(bin_op) = bin_op.overflowing_to_wrapping() { - self.binop_with_overflow(bin_op, &left, &right, &dest)?; - } else { - self.binop_ignore_overflow(bin_op, &left, &right, &dest)?; - } + let result = self.binary_op(bin_op, &left, &right)?; + assert_eq!(result.layout, dest.layout, "layout mismatch for result of {bin_op:?}"); + self.write_immediate(*result, &dest)?; } UnaryOp(un_op, ref operand) => { // The operand always has the same type as the result. let val = self.read_immediate(&self.eval_operand(operand, Some(dest.layout))?)?; - let val = self.wrapping_unary_op(un_op, &val)?; - assert_eq!(val.layout, dest.layout, "layout mismatch for result of {un_op:?}"); - self.write_immediate(*val, &dest)?; + let result = self.unary_op(un_op, &val)?; + assert_eq!(result.layout, dest.layout, "layout mismatch for result of {un_op:?}"); + self.write_immediate(*result, &dest)?; } Aggregate(box ref kind, ref operands) => { diff --git a/compiler/rustc_const_eval/src/interpret/terminator.rs b/compiler/rustc_const_eval/src/interpret/terminator.rs index b82c18578588..cfe4a3d9cfc9 100644 --- a/compiler/rustc_const_eval/src/interpret/terminator.rs +++ b/compiler/rustc_const_eval/src/interpret/terminator.rs @@ -97,7 +97,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { for (const_int, target) in targets.iter() { // Compare using MIR BinOp::Eq, to also support pointer values. // (Avoiding `self.binary_op` as that does some redundant layout computation.) - let res = self.wrapping_binary_op( + let res = self.binary_op( mir::BinOp::Eq, &discr, &ImmTy::from_uint(const_int, discr.layout), diff --git a/compiler/rustc_middle/src/mir/interpret/error.rs b/compiler/rustc_middle/src/mir/interpret/error.rs index 6e152cbcb657..ed0e7c836c29 100644 --- a/compiler/rustc_middle/src/mir/interpret/error.rs +++ b/compiler/rustc_middle/src/mir/interpret/error.rs @@ -1,19 +1,22 @@ -use super::{AllocId, AllocRange, ConstAllocation, Pointer, Scalar}; +use std::borrow::Cow; +use std::{any::Any, backtrace::Backtrace, fmt}; -use crate::error; -use crate::mir::{ConstAlloc, ConstValue}; -use crate::ty::{self, layout, tls, Ty, TyCtxt, ValTree}; +use either::Either; use rustc_ast_ir::Mutability; use rustc_data_structures::sync::Lock; use rustc_errors::{DiagArgName, DiagArgValue, DiagMessage, ErrorGuaranteed, IntoDiagArg}; use rustc_macros::{HashStable, TyDecodable, TyEncodable}; use rustc_session::CtfeBacktrace; +use rustc_span::Symbol; use rustc_span::{def_id::DefId, Span, DUMMY_SP}; use rustc_target::abi::{call, Align, Size, VariantIdx, WrappingRange}; -use std::borrow::Cow; -use std::{any::Any, backtrace::Backtrace, fmt}; +use super::{AllocId, AllocRange, ConstAllocation, Pointer, Scalar}; + +use crate::error; +use crate::mir::{ConstAlloc, ConstValue}; +use crate::ty::{self, layout, tls, Ty, TyCtxt, ValTree}; #[derive(Debug, Copy, Clone, PartialEq, Eq, HashStable, TyEncodable, TyDecodable)] pub enum ErrorHandled { @@ -310,6 +313,10 @@ pub enum UndefinedBehaviorInfo<'tcx> { RemainderOverflow, /// Overflowing inbounds pointer arithmetic. PointerArithOverflow, + /// Overflow in arithmetic that may not overflow. + ArithOverflow { intrinsic: Symbol }, + /// Shift by too much. + ShiftOverflow { intrinsic: Symbol, shift_amount: Either }, /// Invalid metadata in a wide pointer InvalidMeta(InvalidMetaKind), /// Reading a C string that does not end within its allocation. diff --git a/compiler/rustc_middle/src/mir/tcx.rs b/compiler/rustc_middle/src/mir/tcx.rs index e1ae2e086667..56aba3c04edf 100644 --- a/compiler/rustc_middle/src/mir/tcx.rs +++ b/compiler/rustc_middle/src/mir/tcx.rs @@ -297,9 +297,9 @@ impl BorrowKind { impl BinOp { pub fn to_hir_binop(self) -> hir::BinOpKind { match self { - BinOp::Add => hir::BinOpKind::Add, - BinOp::Sub => hir::BinOpKind::Sub, - BinOp::Mul => hir::BinOpKind::Mul, + BinOp::Add | BinOp::AddWithOverflow => hir::BinOpKind::Add, + BinOp::Sub | BinOp::SubWithOverflow => hir::BinOpKind::Sub, + BinOp::Mul | BinOp::MulWithOverflow => hir::BinOpKind::Mul, BinOp::Div => hir::BinOpKind::Div, BinOp::Rem => hir::BinOpKind::Rem, BinOp::BitXor => hir::BinOpKind::BitXor, @@ -314,9 +314,6 @@ impl BinOp { BinOp::Le => hir::BinOpKind::Le, BinOp::Ge => hir::BinOpKind::Ge, BinOp::Cmp - | BinOp::AddWithOverflow - | BinOp::SubWithOverflow - | BinOp::MulWithOverflow | BinOp::AddUnchecked | BinOp::SubUnchecked | BinOp::MulUnchecked @@ -338,6 +335,11 @@ impl BinOp { }) } + /// Returns whether this is a `FooWithOverflow` + pub fn is_overflowing(self) -> bool { + self.overflowing_to_wrapping().is_some() + } + /// If this is a `Foo`, return `Some(FooWithOverflow)`. pub fn wrapping_to_overflowing(self) -> Option { Some(match self { diff --git a/compiler/rustc_mir_transform/src/dataflow_const_prop.rs b/compiler/rustc_mir_transform/src/dataflow_const_prop.rs index 3d24a56cdd7c..53a016f01ece 100644 --- a/compiler/rustc_mir_transform/src/dataflow_const_prop.rs +++ b/compiler/rustc_mir_transform/src/dataflow_const_prop.rs @@ -165,9 +165,7 @@ impl<'tcx> ValueAnalysis<'tcx> for ConstAnalysis<'_, 'tcx> { } } } - Rvalue::BinaryOp(overflowing_op, box (left, right)) - if let Some(op) = overflowing_op.overflowing_to_wrapping() => - { + Rvalue::BinaryOp(op, box (left, right)) if op.is_overflowing() => { // Flood everything now, so we can use `insert_value_idx` directly later. state.flood(target.as_ref(), self.map()); @@ -177,7 +175,7 @@ impl<'tcx> ValueAnalysis<'tcx> for ConstAnalysis<'_, 'tcx> { let overflow_target = self.map().apply(target, TrackElem::Field(1_u32.into())); if value_target.is_some() || overflow_target.is_some() { - let (val, overflow) = self.binary_op(state, op, left, right); + let (val, overflow) = self.binary_op(state, *op, left, right); if let Some(value_target) = value_target { // We have flooded `target` earlier. @@ -186,7 +184,7 @@ impl<'tcx> ValueAnalysis<'tcx> for ConstAnalysis<'_, 'tcx> { if let Some(overflow_target) = overflow_target { let overflow = match overflow { FlatSet::Top => FlatSet::Top, - FlatSet::Elem(overflow) => FlatSet::Elem(Scalar::from_bool(overflow)), + FlatSet::Elem(overflow) => FlatSet::Elem(overflow), FlatSet::Bottom => FlatSet::Bottom, }; // We have flooded `target` earlier. @@ -266,15 +264,16 @@ impl<'tcx> ValueAnalysis<'tcx> for ConstAnalysis<'_, 'tcx> { FlatSet::Top => FlatSet::Top, } } - Rvalue::BinaryOp(op, box (left, right)) => { + Rvalue::BinaryOp(op, box (left, right)) if !op.is_overflowing() => { // Overflows must be ignored here. + // The overflowing operators are handled in `handle_assign`. let (val, _overflow) = self.binary_op(state, *op, left, right); val } Rvalue::UnaryOp(op, operand) => match self.eval_operand(operand, state) { FlatSet::Elem(value) => self .ecx - .wrapping_unary_op(*op, &value) + .unary_op(*op, &value) .map_or(FlatSet::Top, |val| self.wrap_immediate(*val)), FlatSet::Bottom => FlatSet::Bottom, FlatSet::Top => FlatSet::Top, @@ -439,7 +438,7 @@ impl<'a, 'tcx> ConstAnalysis<'a, 'tcx> { op: BinOp, left: &Operand<'tcx>, right: &Operand<'tcx>, - ) -> (FlatSet, FlatSet) { + ) -> (FlatSet, FlatSet) { let left = self.eval_operand(left, state); let right = self.eval_operand(right, state); @@ -447,9 +446,17 @@ impl<'a, 'tcx> ConstAnalysis<'a, 'tcx> { (FlatSet::Bottom, _) | (_, FlatSet::Bottom) => (FlatSet::Bottom, FlatSet::Bottom), // Both sides are known, do the actual computation. (FlatSet::Elem(left), FlatSet::Elem(right)) => { - match self.ecx.overflowing_binary_op(op, &left, &right) { - Ok((val, overflow)) => { - (FlatSet::Elem(val.to_scalar()), FlatSet::Elem(overflow)) + match self.ecx.binary_op(op, &left, &right) { + // Ideally this would return an Immediate, since it's sometimes + // a pair and sometimes not. But as a hack we always return a pair + // and just make the 2nd component `Bottom` when it does not exist. + Ok(val) => { + if matches!(val.layout.abi, Abi::ScalarPair(..)) { + let (val, overflow) = val.to_scalar_pair(); + (FlatSet::Elem(val), FlatSet::Elem(overflow)) + } else { + (FlatSet::Elem(val.to_scalar()), FlatSet::Bottom) + } } _ => (FlatSet::Top, FlatSet::Top), } @@ -475,7 +482,7 @@ impl<'a, 'tcx> ConstAnalysis<'a, 'tcx> { (FlatSet::Elem(arg_scalar), FlatSet::Bottom) } BinOp::Mul if layout.ty.is_integral() && arg_value == 0 => { - (FlatSet::Elem(arg_scalar), FlatSet::Elem(false)) + (FlatSet::Elem(arg_scalar), FlatSet::Elem(Scalar::from_bool(false))) } _ => (FlatSet::Top, FlatSet::Top), } diff --git a/compiler/rustc_mir_transform/src/gvn.rs b/compiler/rustc_mir_transform/src/gvn.rs index 1f3e407180b5..9d2e7153eb56 100644 --- a/compiler/rustc_mir_transform/src/gvn.rs +++ b/compiler/rustc_mir_transform/src/gvn.rs @@ -223,7 +223,7 @@ enum Value<'tcx> { NullaryOp(NullOp<'tcx>, Ty<'tcx>), UnaryOp(UnOp, VnIndex), BinaryOp(BinOp, VnIndex, VnIndex), - CheckedBinaryOp(BinOp, VnIndex, VnIndex), + CheckedBinaryOp(BinOp, VnIndex, VnIndex), // FIXME get rid of this, work like MIR instead Cast { kind: CastKind, value: VnIndex, @@ -497,7 +497,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { UnaryOp(un_op, operand) => { let operand = self.evaluated[operand].as_ref()?; let operand = self.ecx.read_immediate(operand).ok()?; - let (val, _) = self.ecx.overflowing_unary_op(un_op, &operand).ok()?; + let val = self.ecx.unary_op(un_op, &operand).ok()?; val.into() } BinaryOp(bin_op, lhs, rhs) => { @@ -505,7 +505,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { let lhs = self.ecx.read_immediate(lhs).ok()?; let rhs = self.evaluated[rhs].as_ref()?; let rhs = self.ecx.read_immediate(rhs).ok()?; - let (val, _) = self.ecx.overflowing_binary_op(bin_op, &lhs, &rhs).ok()?; + let val = self.ecx.binary_op(bin_op, &lhs, &rhs).ok()?; val.into() } CheckedBinaryOp(bin_op, lhs, rhs) => { @@ -513,14 +513,11 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { let lhs = self.ecx.read_immediate(lhs).ok()?; let rhs = self.evaluated[rhs].as_ref()?; let rhs = self.ecx.read_immediate(rhs).ok()?; - let (val, overflowed) = self.ecx.overflowing_binary_op(bin_op, &lhs, &rhs).ok()?; - let tuple = Ty::new_tup_from_iter( - self.tcx, - [val.layout.ty, self.tcx.types.bool].into_iter(), - ); - let tuple = self.ecx.layout_of(tuple).ok()?; - ImmTy::from_scalar_pair(val.to_scalar(), Scalar::from_bool(overflowed), tuple) - .into() + let val = self + .ecx + .binary_op(bin_op.wrapping_to_overflowing().unwrap(), &lhs, &rhs) + .ok()?; + val.into() } Cast { kind, value, from: _, to } => match kind { CastKind::IntToInt | CastKind::IntToFloat => { diff --git a/compiler/rustc_mir_transform/src/known_panics_lint.rs b/compiler/rustc_mir_transform/src/known_panics_lint.rs index 38fc37a3a313..0fa5c1b91261 100644 --- a/compiler/rustc_mir_transform/src/known_panics_lint.rs +++ b/compiler/rustc_mir_transform/src/known_panics_lint.rs @@ -304,20 +304,25 @@ impl<'mir, 'tcx> ConstPropagator<'mir, 'tcx> { fn check_unary_op(&mut self, op: UnOp, arg: &Operand<'tcx>, location: Location) -> Option<()> { let arg = self.eval_operand(arg)?; - if let (val, true) = self.use_ecx(|this| { - let val = this.ecx.read_immediate(&arg)?; - let (_res, overflow) = this.ecx.overflowing_unary_op(op, &val)?; - Ok((val, overflow)) - })? { - // `AssertKind` only has an `OverflowNeg` variant, so make sure that is - // appropriate to use. - assert_eq!(op, UnOp::Neg, "Neg is the only UnOp that can overflow"); - self.report_assert_as_lint( - location, - AssertLintKind::ArithmeticOverflow, - AssertKind::OverflowNeg(val.to_const_int()), - ); - return None; + // The only operator that can overflow is `Neg`. + if op == UnOp::Neg && arg.layout.ty.is_integral() { + // Compute this as `0 - arg` so we can use `SubWithOverflow` to check for overflow. + let (arg, overflow) = self.use_ecx(|this| { + let arg = this.ecx.read_immediate(&arg)?; + let (_res, overflow) = this + .ecx + .binary_op(BinOp::SubWithOverflow, &ImmTy::from_int(0, arg.layout), &arg)? + .to_scalar_pair(); + Ok((arg, overflow.to_bool()?)) + })?; + if overflow { + self.report_assert_as_lint( + location, + AssertLintKind::ArithmeticOverflow, + AssertKind::OverflowNeg(arg.to_const_int()), + ); + return None; + } } Some(()) @@ -363,11 +368,20 @@ impl<'mir, 'tcx> ConstPropagator<'mir, 'tcx> { } } - if let (Some(l), Some(r)) = (l, r) { - // The remaining operators are handled through `overflowing_binary_op`. + // Div/Rem are handled via the assertions they trigger. + // But for Add/Sub/Mul, those assertions only exist in debug builds, and we want to + // lint in release builds as well, so we check on the operation instead. + // So normalize to the "overflowing" operator, and then ensure that it + // actually is an overflowing operator. + let op = op.wrapping_to_overflowing().unwrap_or(op); + // The remaining operators are handled through `wrapping_to_overflowing`. + if let (Some(l), Some(r)) = (l, r) + && l.layout.ty.is_integral() + && op.is_overflowing() + { if self.use_ecx(|this| { - let (_res, overflow) = this.ecx.overflowing_binary_op(op, &l, &r)?; - Ok(overflow) + let (_res, overflow) = this.ecx.binary_op(op, &l, &r)?.to_scalar_pair(); + overflow.to_bool() })? { self.report_assert_as_lint( location, @@ -399,8 +413,7 @@ impl<'mir, 'tcx> ConstPropagator<'mir, 'tcx> { } Rvalue::BinaryOp(op, box (left, right)) => { trace!("checking BinaryOp(op = {:?}, left = {:?}, right = {:?})", op, left, right); - let op = op.overflowing_to_wrapping().unwrap_or(*op); - self.check_binary_op(op, left, right, location)?; + self.check_binary_op(*op, left, right, location)?; } // Do not try creating references (#67862) @@ -547,17 +560,15 @@ impl<'mir, 'tcx> ConstPropagator<'mir, 'tcx> { let right = self.eval_operand(right)?; let right = self.use_ecx(|this| this.ecx.read_immediate(&right))?; - if let Some(bin_op) = bin_op.overflowing_to_wrapping() { - let (val, overflowed) = - self.use_ecx(|this| this.ecx.overflowing_binary_op(bin_op, &left, &right))?; - let overflowed = ImmTy::from_bool(overflowed, self.tcx); + let val = self.use_ecx(|this| this.ecx.binary_op(bin_op, &left, &right))?; + if matches!(val.layout.abi, Abi::ScalarPair(..)) { + // FIXME `Value` should properly support pairs in `Immediate`... but currently it does not. + let (val, overflow) = val.to_pair(&self.ecx); Value::Aggregate { variant: VariantIdx::ZERO, - fields: [Value::from(val), overflowed.into()].into_iter().collect(), + fields: [val.into(), overflow.into()].into_iter().collect(), } } else { - let val = - self.use_ecx(|this| this.ecx.wrapping_binary_op(bin_op, &left, &right))?; val.into() } } @@ -566,7 +577,7 @@ impl<'mir, 'tcx> ConstPropagator<'mir, 'tcx> { let operand = self.eval_operand(operand)?; let val = self.use_ecx(|this| this.ecx.read_immediate(&operand))?; - let val = self.use_ecx(|this| this.ecx.wrapping_unary_op(un_op, &val))?; + let val = self.use_ecx(|this| this.ecx.unary_op(un_op, &val))?; val.into() } diff --git a/src/tools/miri/src/concurrency/data_race.rs b/src/tools/miri/src/concurrency/data_race.rs index f2bec972b18b..10835e0cb0b3 100644 --- a/src/tools/miri/src/concurrency/data_race.rs +++ b/src/tools/miri/src/concurrency/data_race.rs @@ -648,7 +648,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: MiriInterpCxExt<'mir, 'tcx> { place: &MPlaceTy<'tcx, Provenance>, rhs: &ImmTy<'tcx, Provenance>, op: mir::BinOp, - neg: bool, + not: bool, atomic: AtomicRwOrd, ) -> InterpResult<'tcx, ImmTy<'tcx, Provenance>> { let this = self.eval_context_mut(); @@ -656,9 +656,8 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: MiriInterpCxExt<'mir, 'tcx> { let old = this.allow_data_races_mut(|this| this.read_immediate(place))?; - // Atomics wrap around on overflow. - let val = this.wrapping_binary_op(op, &old, rhs)?; - let val = if neg { this.wrapping_unary_op(mir::UnOp::Not, &val)? } else { val }; + let val = this.binary_op(op, &old, rhs)?; + let val = if not { this.unary_op(mir::UnOp::Not, &val)? } else { val }; this.allow_data_races_mut(|this| this.write_immediate(*val, place))?; this.validate_atomic_rmw(place, atomic)?; @@ -700,7 +699,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: MiriInterpCxExt<'mir, 'tcx> { this.atomic_access_check(place, AtomicAccessType::Rmw)?; let old = this.allow_data_races_mut(|this| this.read_immediate(place))?; - let lt = this.wrapping_binary_op(mir::BinOp::Lt, &old, &rhs)?.to_scalar().to_bool()?; + let lt = this.binary_op(mir::BinOp::Lt, &old, &rhs)?.to_scalar().to_bool()?; #[rustfmt::skip] // rustfmt makes this unreadable let new_val = if min { @@ -744,7 +743,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: MiriInterpCxExt<'mir, 'tcx> { // Read as immediate for the sake of `binary_op()` let old = this.allow_data_races_mut(|this| this.read_immediate(place))?; // `binary_op` will bail if either of them is not a scalar. - let eq = this.wrapping_binary_op(mir::BinOp::Eq, &old, expect_old)?; + let eq = this.binary_op(mir::BinOp::Eq, &old, expect_old)?; // If the operation would succeed, but is "weak", fail some portion // of the time, based on `success_rate`. let success_rate = 1.0 - this.machine.cmpxchg_weak_failure_rate; diff --git a/src/tools/miri/src/intrinsics/atomic.rs b/src/tools/miri/src/intrinsics/atomic.rs index 501dbc1603e6..0daf59c943ce 100644 --- a/src/tools/miri/src/intrinsics/atomic.rs +++ b/src/tools/miri/src/intrinsics/atomic.rs @@ -4,8 +4,8 @@ use crate::*; use helpers::check_arg_count; pub enum AtomicOp { - /// The `bool` indicates whether the result of the operation should be negated - /// (must be a boolean-typed operation). + /// The `bool` indicates whether the result of the operation should be negated (`UnOp::Not`, + /// must be a boolean-typed operation). MirOp(mir::BinOp, bool), Max, Min, @@ -213,8 +213,8 @@ trait EvalContextPrivExt<'mir, 'tcx: 'mir>: MiriInterpCxExt<'mir, 'tcx> { this.write_immediate(*old, dest)?; // old value is returned Ok(()) } - AtomicOp::MirOp(op, neg) => { - let old = this.atomic_rmw_op_immediate(&place, &rhs, op, neg, atomic)?; + AtomicOp::MirOp(op, not) => { + let old = this.atomic_rmw_op_immediate(&place, &rhs, op, not, atomic)?; this.write_immediate(*old, dest)?; // old value is returned Ok(()) } diff --git a/src/tools/miri/src/intrinsics/mod.rs b/src/tools/miri/src/intrinsics/mod.rs index 0a7927d06214..64163985a520 100644 --- a/src/tools/miri/src/intrinsics/mod.rs +++ b/src/tools/miri/src/intrinsics/mod.rs @@ -365,8 +365,8 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { "frem_algebraic" => mir::BinOp::Rem, _ => bug!(), }; - let res = this.wrapping_binary_op(op, &a, &b)?; - // `wrapping_binary_op` already called `generate_nan` if necessary. + let res = this.binary_op(op, &a, &b)?; + // `binary_op` already called `generate_nan` if necessary. this.write_immediate(*res, dest)?; } @@ -411,12 +411,12 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { ), _ => {} } - let res = this.wrapping_binary_op(op, &a, &b)?; + let res = this.binary_op(op, &a, &b)?; if !float_finite(&res)? { throw_ub_format!("`{intrinsic_name}` intrinsic produced non-finite value as result"); } // This cannot be a NaN so we also don't have to apply any non-determinism. - // (Also, `wrapping_binary_op` already called `generate_nan` if needed.) + // (Also, `binary_op` already called `generate_nan` if needed.) this.write_immediate(*res, dest)?; } diff --git a/src/tools/miri/src/intrinsics/simd.rs b/src/tools/miri/src/intrinsics/simd.rs index 4cde364fbc47..e8ef299c99ed 100644 --- a/src/tools/miri/src/intrinsics/simd.rs +++ b/src/tools/miri/src/intrinsics/simd.rs @@ -1,3 +1,5 @@ +use either::Either; + use rustc_apfloat::{Float, Round}; use rustc_middle::ty::layout::{HasParamEnv, LayoutOf}; use rustc_middle::{mir, ty, ty::FloatTy}; @@ -80,7 +82,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let val = match which { Op::MirOp(mir_op) => { // This already does NaN adjustments - this.wrapping_unary_op(mir_op, &op)?.to_scalar() + this.unary_op(mir_op, &op)?.to_scalar() } Op::Abs => { // Works for f32 and f64. @@ -215,8 +217,8 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { "mul" => Op::MirOp(BinOp::Mul), "div" => Op::MirOp(BinOp::Div), "rem" => Op::MirOp(BinOp::Rem), - "shl" => Op::MirOp(BinOp::Shl), - "shr" => Op::MirOp(BinOp::Shr), + "shl" => Op::MirOp(BinOp::ShlUnchecked), + "shr" => Op::MirOp(BinOp::ShrUnchecked), "and" => Op::MirOp(BinOp::BitAnd), "or" => Op::MirOp(BinOp::BitOr), "xor" => Op::MirOp(BinOp::BitXor), @@ -241,15 +243,19 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let val = match which { Op::MirOp(mir_op) => { // This does NaN adjustments. - let (val, overflowed) = this.overflowing_binary_op(mir_op, &left, &right)?; - if matches!(mir_op, BinOp::Shl | BinOp::Shr) { - // Shifts have extra UB as SIMD operations that the MIR binop does not have. - // See . - if overflowed { - let r_val = right.to_scalar().to_bits(right.layout.size)?; - throw_ub_format!("overflowing shift by {r_val} in `simd_{intrinsic_name}` in SIMD lane {i}"); + let val = this.binary_op(mir_op, &left, &right).map_err(|err| { + match err.kind() { + InterpError::UndefinedBehavior(UndefinedBehaviorInfo::ShiftOverflow { shift_amount, .. }) => { + // This resets the interpreter backtrace, but it's not worth avoiding that. + let shift_amount = match shift_amount { + Either::Left(v) => v.to_string(), + Either::Right(v) => v.to_string(), + }; + err_ub_format!("overflowing shift by {shift_amount} in `simd_{intrinsic_name}` in lane {i}").into() + } + _ => err } - } + })?; if matches!(mir_op, BinOp::Eq | BinOp::Ne | BinOp::Lt | BinOp::Le | BinOp::Gt | BinOp::Ge) { // Special handling for boolean-returning operations assert_eq!(val.layout.ty, this.tcx.types.bool); @@ -368,11 +374,11 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let op = this.read_immediate(&this.project_index(&op, i)?)?; res = match which { Op::MirOp(mir_op) => { - this.wrapping_binary_op(mir_op, &res, &op)? + this.binary_op(mir_op, &res, &op)? } Op::MirOpBool(mir_op) => { let op = imm_from_bool(simd_element_to_bool(op)?); - this.wrapping_binary_op(mir_op, &res, &op)? + this.binary_op(mir_op, &res, &op)? } Op::MinMax(mmop) => { if matches!(res.layout.ty.kind(), ty::Float(_)) { @@ -383,7 +389,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { MinMax::Min => BinOp::Le, MinMax::Max => BinOp::Ge, }; - if this.wrapping_binary_op(mirop, &res, &op)?.to_scalar().to_bool()? { + if this.binary_op(mirop, &res, &op)?.to_scalar().to_bool()? { res } else { op @@ -412,7 +418,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let mut res = init; for i in 0..op_len { let op = this.read_immediate(&this.project_index(&op, i)?)?; - res = this.wrapping_binary_op(mir_op, &res, &op)?; + res = this.binary_op(mir_op, &res, &op)?; } this.write_immediate(*res, dest)?; } diff --git a/src/tools/miri/src/machine.rs b/src/tools/miri/src/machine.rs index cbf02d701bcf..0c6a2560b133 100644 --- a/src/tools/miri/src/machine.rs +++ b/src/tools/miri/src/machine.rs @@ -1025,7 +1025,7 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { bin_op: mir::BinOp, left: &ImmTy<'tcx, Provenance>, right: &ImmTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, (ImmTy<'tcx, Provenance>, bool)> { + ) -> InterpResult<'tcx, ImmTy<'tcx, Provenance>> { ecx.binary_ptr_op(bin_op, left, right) } diff --git a/src/tools/miri/src/operator.rs b/src/tools/miri/src/operator.rs index d99be39177bc..7a008266dbc8 100644 --- a/src/tools/miri/src/operator.rs +++ b/src/tools/miri/src/operator.rs @@ -14,7 +14,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { bin_op: mir::BinOp, left: &ImmTy<'tcx, Provenance>, right: &ImmTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, (ImmTy<'tcx, Provenance>, bool)> { + ) -> InterpResult<'tcx, ImmTy<'tcx, Provenance>> { use rustc_middle::mir::BinOp::*; let this = self.eval_context_ref(); @@ -45,7 +45,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { Ge => left >= right, _ => bug!(), }; - (ImmTy::from_bool(res, *this.tcx), false) + ImmTy::from_bool(res, *this.tcx) } // Some more operations are possible with atomics. @@ -60,16 +60,14 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { right.to_scalar().to_target_usize(this)?, this.machine.layouts.usize, ); - let (result, overflowing) = this.overflowing_binary_op(bin_op, &left, &right)?; + let result = this.binary_op(bin_op, &left, &right)?; // Construct a new pointer with the provenance of `ptr` (the LHS). let result_ptr = Pointer::new( ptr.provenance, Size::from_bytes(result.to_scalar().to_target_usize(this)?), ); - ( - ImmTy::from_scalar(Scalar::from_maybe_pointer(result_ptr, this), left.layout), - overflowing, - ) + + ImmTy::from_scalar(Scalar::from_maybe_pointer(result_ptr, this), left.layout) } _ => span_bug!(this.cur_span(), "Invalid operator on pointers: {:?}", bin_op), diff --git a/src/tools/miri/src/shims/x86/mod.rs b/src/tools/miri/src/shims/x86/mod.rs index 48b7222917b5..74c2b0c61af8 100644 --- a/src/tools/miri/src/shims/x86/mod.rs +++ b/src/tools/miri/src/shims/x86/mod.rs @@ -50,13 +50,16 @@ pub(super) trait EvalContextExt<'mir, 'tcx: 'mir>: let a = this.read_immediate(a)?; let b = this.read_immediate(b)?; - let (sum, overflow1) = this.overflowing_binary_op(mir::BinOp::Add, &a, &b)?; - let (sum, overflow2) = this.overflowing_binary_op( - mir::BinOp::Add, - &sum, - &ImmTy::from_uint(c_in, a.layout), - )?; - let c_out = overflow1 | overflow2; + let (sum, overflow1) = + this.binary_op(mir::BinOp::AddWithOverflow, &a, &b)?.to_pair(this); + let (sum, overflow2) = this + .binary_op( + mir::BinOp::AddWithOverflow, + &sum, + &ImmTy::from_uint(c_in, a.layout), + )? + .to_pair(this); + let c_out = overflow1.to_scalar().to_bool()? | overflow2.to_scalar().to_bool()?; this.write_scalar(Scalar::from_u8(c_out.into()), &this.project_field(dest, 0)?)?; this.write_immediate(*sum, &this.project_field(dest, 1)?)?; @@ -76,13 +79,11 @@ pub(super) trait EvalContextExt<'mir, 'tcx: 'mir>: let a = this.read_immediate(a)?; let b = this.read_immediate(b)?; - let (sub, overflow1) = this.overflowing_binary_op(mir::BinOp::Sub, &a, &b)?; - let (sub, overflow2) = this.overflowing_binary_op( - mir::BinOp::Sub, - &sub, - &ImmTy::from_uint(b_in, a.layout), - )?; - let b_out = overflow1 | overflow2; + let (sub, overflow1) = this.binary_op(mir::BinOp::SubWithOverflow, &a, &b)?.to_pair(this); + let (sub, overflow2) = this + .binary_op(mir::BinOp::SubWithOverflow, &sub, &ImmTy::from_uint(b_in, a.layout))? + .to_pair(this); + let b_out = overflow1.to_scalar().to_bool()? | overflow2.to_scalar().to_bool()?; this.write_scalar(Scalar::from_u8(b_out.into()), &this.project_field(dest, 0)?)?; this.write_immediate(*sub, &this.project_field(dest, 1)?)?; @@ -245,7 +246,7 @@ fn bin_op_float<'tcx, F: rustc_apfloat::Float>( ) -> InterpResult<'tcx, Scalar> { match which { FloatBinOp::Arith(which) => { - let res = this.wrapping_binary_op(which, left, right)?; + let res = this.binary_op(which, left, right)?; Ok(res.to_scalar()) } FloatBinOp::Cmp { gt, lt, eq, unord } => { @@ -744,12 +745,9 @@ fn int_abs<'tcx>( let op = this.read_immediate(&this.project_index(&op, i)?)?; let dest = this.project_index(&dest, i)?; - let lt_zero = this.wrapping_binary_op(mir::BinOp::Lt, &op, &zero)?; - let res = if lt_zero.to_scalar().to_bool()? { - this.wrapping_unary_op(mir::UnOp::Neg, &op)? - } else { - op - }; + let lt_zero = this.binary_op(mir::BinOp::Lt, &op, &zero)?; + let res = + if lt_zero.to_scalar().to_bool()? { this.unary_op(mir::UnOp::Neg, &op)? } else { op }; this.write_immediate(*res, &dest)?; } @@ -832,7 +830,7 @@ fn horizontal_bin_op<'tcx>( let res = if saturating { Immediate::from(this.saturating_arith(which, &lhs, &rhs)?) } else { - *this.wrapping_binary_op(which, &lhs, &rhs)? + *this.binary_op(which, &lhs, &rhs)? }; this.write_immediate(res, &this.project_index(&dest, j)?)?; @@ -884,8 +882,8 @@ fn conditional_dot_product<'tcx>( let left = this.read_immediate(&this.project_index(&left, j)?)?; let right = this.read_immediate(&this.project_index(&right, j)?)?; - let mul = this.wrapping_binary_op(mir::BinOp::Mul, &left, &right)?; - sum = this.wrapping_binary_op(mir::BinOp::Add, &sum, &mul)?; + let mul = this.binary_op(mir::BinOp::Mul, &left, &right)?; + sum = this.binary_op(mir::BinOp::Add, &sum, &mul)?; } } @@ -1276,11 +1274,8 @@ fn psign<'tcx>( let left = this.read_immediate(&this.project_index(&left, i)?)?; let right = this.read_scalar(&this.project_index(&right, i)?)?.to_int(dest.layout.size)?; - let res = this.wrapping_binary_op( - mir::BinOp::Mul, - &left, - &ImmTy::from_int(right.signum(), dest.layout), - )?; + let res = + this.binary_op(mir::BinOp::Mul, &left, &ImmTy::from_int(right.signum(), dest.layout))?; this.write_immediate(*res, &dest)?; } diff --git a/src/tools/miri/tests/fail/intrinsics/simd-shl-too-far.rs b/src/tools/miri/tests/fail/intrinsics/simd-shl-too-far.rs index 8a49c8403ae3..12aa7c10af4e 100644 --- a/src/tools/miri/tests/fail/intrinsics/simd-shl-too-far.rs +++ b/src/tools/miri/tests/fail/intrinsics/simd-shl-too-far.rs @@ -10,6 +10,6 @@ fn main() { unsafe { let x = i32x2(1, 1); let y = i32x2(100, 0); - simd_shl(x, y); //~ERROR: overflowing shift by 100 in `simd_shl` in SIMD lane 0 + simd_shl(x, y); //~ERROR: overflowing shift by 100 in `simd_shl` in lane 0 } } diff --git a/src/tools/miri/tests/fail/intrinsics/simd-shl-too-far.stderr b/src/tools/miri/tests/fail/intrinsics/simd-shl-too-far.stderr index 3a4ec008b449..475067db801e 100644 --- a/src/tools/miri/tests/fail/intrinsics/simd-shl-too-far.stderr +++ b/src/tools/miri/tests/fail/intrinsics/simd-shl-too-far.stderr @@ -1,8 +1,8 @@ -error: Undefined Behavior: overflowing shift by 100 in `simd_shl` in SIMD lane 0 +error: Undefined Behavior: overflowing shift by 100 in `simd_shl` in lane 0 --> $DIR/simd-shl-too-far.rs:LL:CC | LL | simd_shl(x, y); - | ^^^^^^^^^^^^^^ overflowing shift by 100 in `simd_shl` in SIMD lane 0 + | ^^^^^^^^^^^^^^ overflowing shift by 100 in `simd_shl` in lane 0 | = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information diff --git a/src/tools/miri/tests/fail/intrinsics/simd-shr-too-far.rs b/src/tools/miri/tests/fail/intrinsics/simd-shr-too-far.rs index 433998cbde66..ada7cf408c4e 100644 --- a/src/tools/miri/tests/fail/intrinsics/simd-shr-too-far.rs +++ b/src/tools/miri/tests/fail/intrinsics/simd-shr-too-far.rs @@ -10,6 +10,6 @@ fn main() { unsafe { let x = i32x2(1, 1); let y = i32x2(20, 40); - simd_shr(x, y); //~ERROR: overflowing shift by 40 in `simd_shr` in SIMD lane 1 + simd_shr(x, y); //~ERROR: overflowing shift by 40 in `simd_shr` in lane 1 } } diff --git a/src/tools/miri/tests/fail/intrinsics/simd-shr-too-far.stderr b/src/tools/miri/tests/fail/intrinsics/simd-shr-too-far.stderr index 07636b8c0bbd..0d6307837deb 100644 --- a/src/tools/miri/tests/fail/intrinsics/simd-shr-too-far.stderr +++ b/src/tools/miri/tests/fail/intrinsics/simd-shr-too-far.stderr @@ -1,8 +1,8 @@ -error: Undefined Behavior: overflowing shift by 40 in `simd_shr` in SIMD lane 1 +error: Undefined Behavior: overflowing shift by 40 in `simd_shr` in lane 1 --> $DIR/simd-shr-too-far.rs:LL:CC | LL | simd_shr(x, y); - | ^^^^^^^^^^^^^^ overflowing shift by 40 in `simd_shr` in SIMD lane 1 + | ^^^^^^^^^^^^^^ overflowing shift by 40 in `simd_shr` in lane 1 | = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information diff --git a/src/tools/miri/tests/fail/intrinsics/unchecked_add1.rs b/src/tools/miri/tests/fail/intrinsics/unchecked_add1.rs index 3f8b4e55151e..0ed758da2a3c 100644 --- a/src/tools/miri/tests/fail/intrinsics/unchecked_add1.rs +++ b/src/tools/miri/tests/fail/intrinsics/unchecked_add1.rs @@ -1,4 +1,4 @@ fn main() { // MAX overflow - let _val = unsafe { 40000u16.unchecked_add(30000) }; //~ ERROR: overflow executing `unchecked_add` + let _val = unsafe { 40000u16.unchecked_add(30000) }; //~ ERROR: arithmetic overflow in `unchecked_add` } diff --git a/src/tools/miri/tests/fail/intrinsics/unchecked_add1.stderr b/src/tools/miri/tests/fail/intrinsics/unchecked_add1.stderr index 922de4226fa8..eae9ec7a44dc 100644 --- a/src/tools/miri/tests/fail/intrinsics/unchecked_add1.stderr +++ b/src/tools/miri/tests/fail/intrinsics/unchecked_add1.stderr @@ -1,8 +1,8 @@ -error: Undefined Behavior: overflow executing `unchecked_add` +error: Undefined Behavior: arithmetic overflow in `unchecked_add` --> $DIR/unchecked_add1.rs:LL:CC | LL | let _val = unsafe { 40000u16.unchecked_add(30000) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overflow executing `unchecked_add` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ arithmetic overflow in `unchecked_add` | = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information diff --git a/src/tools/miri/tests/fail/intrinsics/unchecked_add2.rs b/src/tools/miri/tests/fail/intrinsics/unchecked_add2.rs index 3283dbf8e7ef..3b495203eb41 100644 --- a/src/tools/miri/tests/fail/intrinsics/unchecked_add2.rs +++ b/src/tools/miri/tests/fail/intrinsics/unchecked_add2.rs @@ -1,4 +1,4 @@ fn main() { // MIN overflow - let _val = unsafe { (-30000i16).unchecked_add(-8000) }; //~ ERROR: overflow executing `unchecked_add` + let _val = unsafe { (-30000i16).unchecked_add(-8000) }; //~ ERROR: arithmetic overflow in `unchecked_add` } diff --git a/src/tools/miri/tests/fail/intrinsics/unchecked_add2.stderr b/src/tools/miri/tests/fail/intrinsics/unchecked_add2.stderr index 05456eaf1950..6a0dcfcd227e 100644 --- a/src/tools/miri/tests/fail/intrinsics/unchecked_add2.stderr +++ b/src/tools/miri/tests/fail/intrinsics/unchecked_add2.stderr @@ -1,8 +1,8 @@ -error: Undefined Behavior: overflow executing `unchecked_add` +error: Undefined Behavior: arithmetic overflow in `unchecked_add` --> $DIR/unchecked_add2.rs:LL:CC | LL | let _val = unsafe { (-30000i16).unchecked_add(-8000) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overflow executing `unchecked_add` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ arithmetic overflow in `unchecked_add` | = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information diff --git a/src/tools/miri/tests/fail/intrinsics/unchecked_mul1.rs b/src/tools/miri/tests/fail/intrinsics/unchecked_mul1.rs index 2feed7759ec1..3dc83a2dcef2 100644 --- a/src/tools/miri/tests/fail/intrinsics/unchecked_mul1.rs +++ b/src/tools/miri/tests/fail/intrinsics/unchecked_mul1.rs @@ -1,4 +1,4 @@ fn main() { // MAX overflow - let _val = unsafe { 300u16.unchecked_mul(250u16) }; //~ ERROR: overflow executing `unchecked_mul` + let _val = unsafe { 300u16.unchecked_mul(250u16) }; //~ ERROR: arithmetic overflow in `unchecked_mul` } diff --git a/src/tools/miri/tests/fail/intrinsics/unchecked_mul1.stderr b/src/tools/miri/tests/fail/intrinsics/unchecked_mul1.stderr index 533beaa65ff7..e37d9827c8cf 100644 --- a/src/tools/miri/tests/fail/intrinsics/unchecked_mul1.stderr +++ b/src/tools/miri/tests/fail/intrinsics/unchecked_mul1.stderr @@ -1,8 +1,8 @@ -error: Undefined Behavior: overflow executing `unchecked_mul` +error: Undefined Behavior: arithmetic overflow in `unchecked_mul` --> $DIR/unchecked_mul1.rs:LL:CC | LL | let _val = unsafe { 300u16.unchecked_mul(250u16) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overflow executing `unchecked_mul` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ arithmetic overflow in `unchecked_mul` | = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information diff --git a/src/tools/miri/tests/fail/intrinsics/unchecked_mul2.rs b/src/tools/miri/tests/fail/intrinsics/unchecked_mul2.rs index 42cd509404a5..49cd293737c7 100644 --- a/src/tools/miri/tests/fail/intrinsics/unchecked_mul2.rs +++ b/src/tools/miri/tests/fail/intrinsics/unchecked_mul2.rs @@ -1,4 +1,4 @@ fn main() { // MIN overflow - let _val = unsafe { 1_000_000_000i32.unchecked_mul(-4) }; //~ ERROR: overflow executing `unchecked_mul` + let _val = unsafe { 1_000_000_000i32.unchecked_mul(-4) }; //~ ERROR: arithmetic overflow in `unchecked_mul` } diff --git a/src/tools/miri/tests/fail/intrinsics/unchecked_mul2.stderr b/src/tools/miri/tests/fail/intrinsics/unchecked_mul2.stderr index 4c6bae6f0bf6..949077ce61d8 100644 --- a/src/tools/miri/tests/fail/intrinsics/unchecked_mul2.stderr +++ b/src/tools/miri/tests/fail/intrinsics/unchecked_mul2.stderr @@ -1,8 +1,8 @@ -error: Undefined Behavior: overflow executing `unchecked_mul` +error: Undefined Behavior: arithmetic overflow in `unchecked_mul` --> $DIR/unchecked_mul2.rs:LL:CC | LL | let _val = unsafe { 1_000_000_000i32.unchecked_mul(-4) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overflow executing `unchecked_mul` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ arithmetic overflow in `unchecked_mul` | = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information diff --git a/src/tools/miri/tests/fail/intrinsics/unchecked_sub1.rs b/src/tools/miri/tests/fail/intrinsics/unchecked_sub1.rs index e5178bf4effa..f24c97420948 100644 --- a/src/tools/miri/tests/fail/intrinsics/unchecked_sub1.rs +++ b/src/tools/miri/tests/fail/intrinsics/unchecked_sub1.rs @@ -1,4 +1,4 @@ fn main() { // MIN overflow - let _val = unsafe { 14u32.unchecked_sub(22) }; //~ ERROR: overflow executing `unchecked_sub` + let _val = unsafe { 14u32.unchecked_sub(22) }; //~ ERROR: arithmetic overflow in `unchecked_sub` } diff --git a/src/tools/miri/tests/fail/intrinsics/unchecked_sub1.stderr b/src/tools/miri/tests/fail/intrinsics/unchecked_sub1.stderr index 72187e20e23c..39bfd8a23840 100644 --- a/src/tools/miri/tests/fail/intrinsics/unchecked_sub1.stderr +++ b/src/tools/miri/tests/fail/intrinsics/unchecked_sub1.stderr @@ -1,8 +1,8 @@ -error: Undefined Behavior: overflow executing `unchecked_sub` +error: Undefined Behavior: arithmetic overflow in `unchecked_sub` --> $DIR/unchecked_sub1.rs:LL:CC | LL | let _val = unsafe { 14u32.unchecked_sub(22) }; - | ^^^^^^^^^^^^^^^^^^^^^^^ overflow executing `unchecked_sub` + | ^^^^^^^^^^^^^^^^^^^^^^^ arithmetic overflow in `unchecked_sub` | = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information diff --git a/src/tools/miri/tests/fail/intrinsics/unchecked_sub2.rs b/src/tools/miri/tests/fail/intrinsics/unchecked_sub2.rs index ac9fd1e5d062..74b08b1dfb4e 100644 --- a/src/tools/miri/tests/fail/intrinsics/unchecked_sub2.rs +++ b/src/tools/miri/tests/fail/intrinsics/unchecked_sub2.rs @@ -1,4 +1,4 @@ fn main() { // MAX overflow - let _val = unsafe { 30000i16.unchecked_sub(-7000) }; //~ ERROR: overflow executing `unchecked_sub` + let _val = unsafe { 30000i16.unchecked_sub(-7000) }; //~ ERROR: arithmetic overflow in `unchecked_sub` } diff --git a/src/tools/miri/tests/fail/intrinsics/unchecked_sub2.stderr b/src/tools/miri/tests/fail/intrinsics/unchecked_sub2.stderr index ec28384f6336..604eba99e014 100644 --- a/src/tools/miri/tests/fail/intrinsics/unchecked_sub2.stderr +++ b/src/tools/miri/tests/fail/intrinsics/unchecked_sub2.stderr @@ -1,8 +1,8 @@ -error: Undefined Behavior: overflow executing `unchecked_sub` +error: Undefined Behavior: arithmetic overflow in `unchecked_sub` --> $DIR/unchecked_sub2.rs:LL:CC | LL | let _val = unsafe { 30000i16.unchecked_sub(-7000) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overflow executing `unchecked_sub` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ arithmetic overflow in `unchecked_sub` | = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information diff --git a/tests/ui/consts/const-int-unchecked.stderr b/tests/ui/consts/const-int-unchecked.stderr index 84b222972a13..3130603231e1 100644 --- a/tests/ui/consts/const-int-unchecked.stderr +++ b/tests/ui/consts/const-int-unchecked.stderr @@ -242,19 +242,19 @@ error[E0080]: evaluation of constant value failed --> $DIR/const-int-unchecked.rs:123:25 | LL | const _: u16 = unsafe { std::intrinsics::unchecked_add(40000u16, 30000) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overflow executing `unchecked_add` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ arithmetic overflow in `unchecked_add` error[E0080]: evaluation of constant value failed --> $DIR/const-int-unchecked.rs:126:25 | LL | const _: u32 = unsafe { std::intrinsics::unchecked_sub(14u32, 22) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overflow executing `unchecked_sub` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ arithmetic overflow in `unchecked_sub` error[E0080]: evaluation of constant value failed --> $DIR/const-int-unchecked.rs:129:25 | LL | const _: u16 = unsafe { std::intrinsics::unchecked_mul(300u16, 250u16) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overflow executing `unchecked_mul` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ arithmetic overflow in `unchecked_mul` error[E0080]: evaluation of constant value failed --> $DIR/const-int-unchecked.rs:132:25 From 4f98cc6d55aa82612fac031a5828f5fc9deee4bc Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Thu, 16 May 2024 16:24:58 +0200 Subject: [PATCH 0352/1716] Correctly handle closing parens in `missing_backticks` doc lint --- clippy_lints/src/doc/markdown.rs | 20 +++++++++++++ tests/ui/doc/issue_12795.fixed | 9 ++++++ tests/ui/doc/issue_12795.rs | 9 ++++++ tests/ui/doc/issue_12795.stderr | 48 ++++++++++++++++++++++++++++++++ 4 files changed, 86 insertions(+) create mode 100644 tests/ui/doc/issue_12795.fixed create mode 100644 tests/ui/doc/issue_12795.rs create mode 100644 tests/ui/doc/issue_12795.stderr diff --git a/clippy_lints/src/doc/markdown.rs b/clippy_lints/src/doc/markdown.rs index 1add02af3101..20ca88f21160 100644 --- a/clippy_lints/src/doc/markdown.rs +++ b/clippy_lints/src/doc/markdown.rs @@ -30,6 +30,7 @@ pub fn check( word = tmp_word; } + let original_len = word.len(); word = word.trim_start_matches(trim_pattern); // Remove leading or trailing single `:` which may be part of a sentence. @@ -44,6 +45,25 @@ pub fn check( continue; } + // Ensure that all reachable matching closing parens are included as well. + let size_diff = original_len - word.len(); + let mut open_parens = 0; + let mut close_parens = 0; + for c in word.chars() { + if c == '(' { + open_parens += 1; + } else if c == ')' { + close_parens += 1; + } + } + while close_parens < open_parens + && let Some(tmp_word) = orig_word.get(size_diff..=(word.len() + size_diff)) + && tmp_word.ends_with(')') + { + word = tmp_word; + close_parens += 1; + } + // Adjust for the current word let offset = word.as_ptr() as usize - text.as_ptr() as usize; let span = Span::new( diff --git a/tests/ui/doc/issue_12795.fixed b/tests/ui/doc/issue_12795.fixed new file mode 100644 index 000000000000..ade23bf975c2 --- /dev/null +++ b/tests/ui/doc/issue_12795.fixed @@ -0,0 +1,9 @@ +#![warn(clippy::doc_markdown)] + +//! A comment with `a_b(x)` and `a_c` in it and (`a_b((c))` ) too and (maybe `a_b((c))`) +//~^ ERROR: item in documentation is missing backticks +//~| ERROR: item in documentation is missing backticks +//~| ERROR: item in documentation is missing backticks +//~| ERROR: item in documentation is missing backticks + +pub fn main() {} diff --git a/tests/ui/doc/issue_12795.rs b/tests/ui/doc/issue_12795.rs new file mode 100644 index 000000000000..6d94a07e3036 --- /dev/null +++ b/tests/ui/doc/issue_12795.rs @@ -0,0 +1,9 @@ +#![warn(clippy::doc_markdown)] + +//! A comment with a_b(x) and a_c in it and (a_b((c)) ) too and (maybe a_b((c))) +//~^ ERROR: item in documentation is missing backticks +//~| ERROR: item in documentation is missing backticks +//~| ERROR: item in documentation is missing backticks +//~| ERROR: item in documentation is missing backticks + +pub fn main() {} diff --git a/tests/ui/doc/issue_12795.stderr b/tests/ui/doc/issue_12795.stderr new file mode 100644 index 000000000000..5700145ec8f7 --- /dev/null +++ b/tests/ui/doc/issue_12795.stderr @@ -0,0 +1,48 @@ +error: item in documentation is missing backticks + --> tests/ui/doc/issue_12795.rs:3:20 + | +LL | //! A comment with a_b(x) and a_c in it and (a_b((c)) ) too and (maybe a_b((c))) + | ^^^^^^ + | + = note: `-D clippy::doc-markdown` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::doc_markdown)]` +help: try + | +LL | //! A comment with `a_b(x)` and a_c in it and (a_b((c)) ) too and (maybe a_b((c))) + | ~~~~~~~~ + +error: item in documentation is missing backticks + --> tests/ui/doc/issue_12795.rs:3:31 + | +LL | //! A comment with a_b(x) and a_c in it and (a_b((c)) ) too and (maybe a_b((c))) + | ^^^ + | +help: try + | +LL | //! A comment with a_b(x) and `a_c` in it and (a_b((c)) ) too and (maybe a_b((c))) + | ~~~~~ + +error: item in documentation is missing backticks + --> tests/ui/doc/issue_12795.rs:3:46 + | +LL | //! A comment with a_b(x) and a_c in it and (a_b((c)) ) too and (maybe a_b((c))) + | ^^^^^^^^ + | +help: try + | +LL | //! A comment with a_b(x) and a_c in it and (`a_b((c))` ) too and (maybe a_b((c))) + | ~~~~~~~~~~ + +error: item in documentation is missing backticks + --> tests/ui/doc/issue_12795.rs:3:72 + | +LL | //! A comment with a_b(x) and a_c in it and (a_b((c)) ) too and (maybe a_b((c))) + | ^^^^^^^^ + | +help: try + | +LL | //! A comment with a_b(x) and a_c in it and (a_b((c)) ) too and (maybe `a_b((c))`) + | ~~~~~~~~~~ + +error: aborting due to 4 previous errors + From fde4a22da21e9d9b1488f075eae0092a4d0f93d0 Mon Sep 17 00:00:00 2001 From: joboet Date: Tue, 21 May 2024 15:57:14 +0200 Subject: [PATCH 0353/1716] core: actually use TAIT instead of emulating it --- library/core/src/internal_macros.rs | 41 ----------- library/core/src/lib.rs | 1 + library/core/src/slice/ascii.rs | 9 +-- library/core/src/str/iter.rs | 6 +- library/core/src/str/mod.rs | 104 ++++++++++------------------ 5 files changed, 44 insertions(+), 117 deletions(-) diff --git a/library/core/src/internal_macros.rs b/library/core/src/internal_macros.rs index bf53b2245ac5..d3a4d6aff2d8 100644 --- a/library/core/src/internal_macros.rs +++ b/library/core/src/internal_macros.rs @@ -80,47 +80,6 @@ macro_rules! forward_ref_op_assign { } } -/// Create a zero-size type similar to a closure type, but named. -macro_rules! impl_fn_for_zst { - ($( - $( #[$attr: meta] )* - struct $Name: ident impl$( <$( $lifetime : lifetime ),+> )? Fn = - |$( $arg: ident: $ArgTy: ty ),*| -> $ReturnTy: ty - $body: block; - )+) => { - $( - $( #[$attr] )* - struct $Name; - - impl $( <$( $lifetime ),+> )? Fn<($( $ArgTy, )*)> for $Name { - #[inline] - extern "rust-call" fn call(&self, ($( $arg, )*): ($( $ArgTy, )*)) -> $ReturnTy { - $body - } - } - - impl $( <$( $lifetime ),+> )? FnMut<($( $ArgTy, )*)> for $Name { - #[inline] - extern "rust-call" fn call_mut( - &mut self, - ($( $arg, )*): ($( $ArgTy, )*) - ) -> $ReturnTy { - Fn::call(&*self, ($( $arg, )*)) - } - } - - impl $( <$( $lifetime ),+> )? FnOnce<($( $ArgTy, )*)> for $Name { - type Output = $ReturnTy; - - #[inline] - extern "rust-call" fn call_once(self, ($( $arg, )*): ($( $ArgTy, )*)) -> $ReturnTy { - Fn::call(&self, ($( $arg, )*)) - } - } - )+ - } -} - /// A macro for defining `#[cfg]` if-else statements. /// /// `cfg_if` is similar to the `if/elif` C preprocessor macro by allowing definition of a cascade diff --git a/library/core/src/lib.rs b/library/core/src/lib.rs index dcf68b36c7a2..206d1ab88529 100644 --- a/library/core/src/lib.rs +++ b/library/core/src/lib.rs @@ -255,6 +255,7 @@ #![feature(trait_alias)] #![feature(transparent_unions)] #![feature(try_blocks)] +#![feature(type_alias_impl_trait)] #![feature(unboxed_closures)] #![feature(unsized_fn_params)] #![feature(with_negative_coherence)] diff --git a/library/core/src/slice/ascii.rs b/library/core/src/slice/ascii.rs index 8ad045275ade..20f5e321d4fa 100644 --- a/library/core/src/slice/ascii.rs +++ b/library/core/src/slice/ascii.rs @@ -108,7 +108,7 @@ impl [u8] { without modifying the original"] #[stable(feature = "inherent_ascii_escape", since = "1.60.0")] pub fn escape_ascii(&self) -> EscapeAscii<'_> { - EscapeAscii { inner: self.iter().flat_map(EscapeByte) } + EscapeAscii { inner: self.iter().flat_map(|byte| byte.escape_ascii()) } } /// Returns a byte slice with leading ASCII whitespace bytes removed. @@ -190,12 +190,7 @@ impl [u8] { } } -impl_fn_for_zst! { - #[derive(Clone)] - struct EscapeByte impl Fn = |byte: &u8| -> ascii::EscapeDefault { - ascii::escape_default(*byte) - }; -} +type EscapeByte = impl (Fn(&u8) -> ascii::EscapeDefault) + Clone; /// An iterator over the escaped version of a byte slice. /// diff --git a/library/core/src/str/iter.rs b/library/core/src/str/iter.rs index 19627f28e64f..d61f04102e5e 100644 --- a/library/core/src/str/iter.rs +++ b/library/core/src/str/iter.rs @@ -1274,8 +1274,10 @@ pub struct SplitWhitespace<'a> { #[stable(feature = "split_ascii_whitespace", since = "1.34.0")] #[derive(Clone, Debug)] pub struct SplitAsciiWhitespace<'a> { - pub(super) inner: - Map, BytesIsNotEmpty>, UnsafeBytesToStr>, + pub(super) inner: Map< + Filter, BytesIsNotEmpty<'a>>, + UnsafeBytesToStr<'a>, + >, } /// An iterator over the substrings of a string, diff --git a/library/core/src/str/mod.rs b/library/core/src/str/mod.rs index 669cdc92e358..3e8cccd5c18f 100644 --- a/library/core/src/str/mod.rs +++ b/library/core/src/str/mod.rs @@ -983,7 +983,7 @@ impl str { #[cfg_attr(not(test), rustc_diagnostic_item = "str_split_whitespace")] #[inline] pub fn split_whitespace(&self) -> SplitWhitespace<'_> { - SplitWhitespace { inner: self.split(IsWhitespace).filter(IsNotEmpty) } + SplitWhitespace { inner: self.split(char::is_whitespace).filter(|s| !s.is_empty()) } } /// Splits a string slice by ASCII whitespace. @@ -1032,8 +1032,13 @@ impl str { #[stable(feature = "split_ascii_whitespace", since = "1.34.0")] #[inline] pub fn split_ascii_whitespace(&self) -> SplitAsciiWhitespace<'_> { - let inner = - self.as_bytes().split(IsAsciiWhitespace).filter(BytesIsNotEmpty).map(UnsafeBytesToStr); + let inner = self + .as_bytes() + .split(u8::is_ascii_whitespace) + .filter(|s| !s.is_empty()) + // SAFETY: the byte slice came from a string and was only split + // along character boundaries, so the resulting slices are strings. + .map(|bytes| unsafe { from_utf8_unchecked(bytes) }); SplitAsciiWhitespace { inner } } @@ -1085,7 +1090,11 @@ impl str { #[stable(feature = "rust1", since = "1.0.0")] #[inline] pub fn lines(&self) -> Lines<'_> { - Lines(self.split_inclusive('\n').map(LinesMap)) + Lines(self.split_inclusive('\n').map(|line| { + let Some(line) = line.strip_suffix('\n') else { return line }; + let Some(line) = line.strip_suffix('\r') else { return line }; + line + })) } /// An iterator over the lines of a string. @@ -2636,14 +2645,19 @@ impl str { #[stable(feature = "str_escape", since = "1.34.0")] pub fn escape_debug(&self) -> EscapeDebug<'_> { let mut chars = self.chars(); - EscapeDebug { - inner: chars - .next() - .map(|first| first.escape_debug_ext(EscapeDebugExtArgs::ESCAPE_ALL)) - .into_iter() - .flatten() - .chain(chars.flat_map(CharEscapeDebugContinue)), - } + let first = chars + .next() + .map(|first| first.escape_debug_ext(EscapeDebugExtArgs::ESCAPE_ALL)) + .into_iter() + .flatten(); + let inner = first.chain(chars.flat_map(|c| { + c.escape_debug_ext(EscapeDebugExtArgs { + escape_grapheme_extended: false, + escape_single_quote: true, + escape_double_quote: true, + }) + })); + EscapeDebug { inner } } /// Return an iterator that escapes each char in `self` with [`char::escape_default`]. @@ -2681,7 +2695,7 @@ impl str { without modifying the original"] #[stable(feature = "str_escape", since = "1.34.0")] pub fn escape_default(&self) -> EscapeDefault<'_> { - EscapeDefault { inner: self.chars().flat_map(CharEscapeDefault) } + EscapeDefault { inner: self.chars().flat_map(char::escape_default) } } /// Return an iterator that escapes each char in `self` with [`char::escape_unicode`]. @@ -2719,7 +2733,7 @@ impl str { without modifying the original"] #[stable(feature = "str_escape", since = "1.34.0")] pub fn escape_unicode(&self) -> EscapeUnicode<'_> { - EscapeUnicode { inner: self.chars().flat_map(CharEscapeUnicode) } + EscapeUnicode { inner: self.chars().flat_map(char::escape_unicode) } } } @@ -2750,59 +2764,15 @@ impl Default for &mut str { } } -impl_fn_for_zst! { - /// A nameable, cloneable fn type - #[derive(Clone)] - struct LinesMap impl<'a> Fn = |line: &'a str| -> &'a str { - let Some(line) = line.strip_suffix('\n') else { return line }; - let Some(line) = line.strip_suffix('\r') else { return line }; - line - }; - - #[derive(Clone)] - struct CharEscapeDebugContinue impl Fn = |c: char| -> char::EscapeDebug { - c.escape_debug_ext(EscapeDebugExtArgs { - escape_grapheme_extended: false, - escape_single_quote: true, - escape_double_quote: true - }) - }; - - #[derive(Clone)] - struct CharEscapeUnicode impl Fn = |c: char| -> char::EscapeUnicode { - c.escape_unicode() - }; - #[derive(Clone)] - struct CharEscapeDefault impl Fn = |c: char| -> char::EscapeDefault { - c.escape_default() - }; - - #[derive(Clone)] - struct IsWhitespace impl Fn = |c: char| -> bool { - c.is_whitespace() - }; - - #[derive(Clone)] - struct IsAsciiWhitespace impl Fn = |byte: &u8| -> bool { - byte.is_ascii_whitespace() - }; - - #[derive(Clone)] - struct IsNotEmpty impl<'a, 'b> Fn = |s: &'a &'b str| -> bool { - !s.is_empty() - }; - - #[derive(Clone)] - struct BytesIsNotEmpty impl<'a, 'b> Fn = |s: &'a &'b [u8]| -> bool { - !s.is_empty() - }; - - #[derive(Clone)] - struct UnsafeBytesToStr impl<'a> Fn = |bytes: &'a [u8]| -> &'a str { - // SAFETY: not safe - unsafe { from_utf8_unchecked(bytes) } - }; -} +type LinesMap = impl (Fn(&str) -> &str) + Clone; +type CharEscapeDebugContinue = impl (FnMut(char) -> char::EscapeDebug) + Clone; +type CharEscapeUnicode = impl (Fn(char) -> char::EscapeUnicode) + Clone; +type CharEscapeDefault = impl (Fn(char) -> char::EscapeDefault) + Clone; +type IsWhitespace = impl (Fn(char) -> bool) + Clone; +type IsAsciiWhitespace = impl (Fn(&u8) -> bool) + Clone; +type IsNotEmpty = impl (Fn(&&str) -> bool) + Clone; +type BytesIsNotEmpty<'a> = impl (FnMut(&&'a [u8]) -> bool) + Clone; +type UnsafeBytesToStr<'a> = impl (FnMut(&'a [u8]) -> &'a str) + Clone; // This is required to make `impl From<&str> for Box` and `impl From for Box` not overlap. #[stable(feature = "rust1", since = "1.0.0")] From 51cf3815cec9640787b91b407c7b39fff60ff32c Mon Sep 17 00:00:00 2001 From: Ben Kimock Date: Tue, 21 May 2024 11:24:19 -0400 Subject: [PATCH 0354/1716] Don't do cc detection for synthetic targets --- src/bootstrap/src/core/build_steps/synthetic_targets.rs | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/src/bootstrap/src/core/build_steps/synthetic_targets.rs b/src/bootstrap/src/core/build_steps/synthetic_targets.rs index 89d50b5ffffa..281a9b093b90 100644 --- a/src/bootstrap/src/core/build_steps/synthetic_targets.rs +++ b/src/bootstrap/src/core/build_steps/synthetic_targets.rs @@ -80,8 +80,5 @@ fn create_synthetic_target( customize(spec_map); std::fs::write(&path, serde_json::to_vec_pretty(&spec).unwrap()).unwrap(); - let target = TargetSelection::create_synthetic(&name, path.to_str().unwrap()); - crate::utils::cc_detect::find_target(builder, target); - - target + TargetSelection::create_synthetic(&name, path.to_str().unwrap()) } From 37aeb75eb6c68dfee49e9ecdbd0c46e137b28bc7 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Tue, 21 May 2024 14:07:02 +0200 Subject: [PATCH 0355/1716] don't inhibit random field reordering on repr(packed(1)) --- compiler/rustc_abi/src/layout.rs | 10 ++++++---- compiler/rustc_abi/src/lib.rs | 15 ++++----------- .../src/transmute/transmute_undefined_repr.rs | 2 +- .../miri/tests/fail/reading_half_a_pointer.rs | 2 +- .../field_requires_parent_struct_alignment2.rs | 2 +- tests/mir-opt/const_allocation3.rs | 2 +- 6 files changed, 14 insertions(+), 19 deletions(-) diff --git a/compiler/rustc_abi/src/layout.rs b/compiler/rustc_abi/src/layout.rs index a95ef4c460f4..9165b4f2df3d 100644 --- a/compiler/rustc_abi/src/layout.rs +++ b/compiler/rustc_abi/src/layout.rs @@ -970,7 +970,7 @@ fn univariant< let mut align = if pack.is_some() { dl.i8_align } else { dl.aggregate_align }; let mut max_repr_align = repr.align; let mut inverse_memory_index: IndexVec = fields.indices().collect(); - let optimize = !repr.inhibit_struct_field_reordering_opt(); + let optimize = !repr.inhibit_struct_field_reordering(); if optimize && fields.len() > 1 { let end = if let StructKind::MaybeUnsized = kind { fields.len() - 1 } else { fields.len() }; let optimizing = &mut inverse_memory_index.raw[..end]; @@ -1007,13 +1007,15 @@ fn univariant< // Calculates a sort key to group fields by their alignment or possibly some // size-derived pseudo-alignment. let alignment_group_key = |layout: &F| { + // The two branches here return values that cannot be meaningfully compared with + // each other. However, we know that consistently for all executions of + // `alignment_group_key`, one or the other branch will be taken, so this is okay. if let Some(pack) = pack { // Return the packed alignment in bytes. layout.align.abi.min(pack).bytes() } else { - // Returns `log2(effective-align)`. This is ok since `pack` applies to all - // fields equally. The calculation assumes that size is an integer multiple of - // align, except for ZSTs. + // Returns `log2(effective-align)`. The calculation assumes that size is an + // integer multiple of align, except for ZSTs. let align = layout.align.abi.bytes(); let size = layout.size.bytes(); let niche_size = layout.largest_niche.map(|n| n.available(dl)).unwrap_or(0); diff --git a/compiler/rustc_abi/src/lib.rs b/compiler/rustc_abi/src/lib.rs index 53aa8ad7cca5..b1a17d5a24b6 100644 --- a/compiler/rustc_abi/src/lib.rs +++ b/compiler/rustc_abi/src/lib.rs @@ -137,23 +137,16 @@ impl ReprOptions { self.c() || self.int.is_some() } - /// Returns `true` if this `#[repr()]` should inhibit struct field reordering - /// optimizations, such as with `repr(C)`, `repr(packed(1))`, or `repr()`. - pub fn inhibit_struct_field_reordering_opt(&self) -> bool { - if let Some(pack) = self.pack { - if pack.bytes() == 1 { - return true; - } - } - + /// Returns `true` if this `#[repr()]` guarantees a fixed field order, + /// e.g. `repr(C)` or `repr()`. + pub fn inhibit_struct_field_reordering(&self) -> bool { self.flags.intersects(ReprFlags::IS_UNOPTIMISABLE) || self.int.is_some() } /// Returns `true` if this type is valid for reordering and `-Z randomize-layout` /// was enabled for its declaration crate. pub fn can_randomize_type_layout(&self) -> bool { - !self.inhibit_struct_field_reordering_opt() - && self.flags.contains(ReprFlags::RANDOMIZE_LAYOUT) + !self.inhibit_struct_field_reordering() && self.flags.contains(ReprFlags::RANDOMIZE_LAYOUT) } /// Returns `true` if this `#[repr()]` should inhibit union ABI optimisations. diff --git a/src/tools/clippy/clippy_lints/src/transmute/transmute_undefined_repr.rs b/src/tools/clippy/clippy_lints/src/transmute/transmute_undefined_repr.rs index 9c8dd37d53dc..3b32e4396b9f 100644 --- a/src/tools/clippy/clippy_lints/src/transmute/transmute_undefined_repr.rs +++ b/src/tools/clippy/clippy_lints/src/transmute/transmute_undefined_repr.rs @@ -278,7 +278,7 @@ fn reduce_ty<'tcx>(cx: &LateContext<'tcx>, mut ty: Ty<'tcx>) -> ReducedTy<'tcx> ty = sized_ty; continue; } - if def.repr().inhibit_struct_field_reordering_opt() { + if def.repr().inhibit_struct_field_reordering() { ReducedTy::OrderedFields(Some(sized_ty)) } else { ReducedTy::UnorderedFields(ty) diff --git a/src/tools/miri/tests/fail/reading_half_a_pointer.rs b/src/tools/miri/tests/fail/reading_half_a_pointer.rs index 7dd98eab7852..feac30b83c30 100644 --- a/src/tools/miri/tests/fail/reading_half_a_pointer.rs +++ b/src/tools/miri/tests/fail/reading_half_a_pointer.rs @@ -1,7 +1,7 @@ #![allow(dead_code)] // We use packed structs to get around alignment restrictions -#[repr(packed)] +#[repr(C, packed)] struct Data { pad: u8, ptr: &'static i32, diff --git a/src/tools/miri/tests/fail/unaligned_pointers/field_requires_parent_struct_alignment2.rs b/src/tools/miri/tests/fail/unaligned_pointers/field_requires_parent_struct_alignment2.rs index 8459c64ed2d3..06dd97deedae 100644 --- a/src/tools/miri/tests/fail/unaligned_pointers/field_requires_parent_struct_alignment2.rs +++ b/src/tools/miri/tests/fail/unaligned_pointers/field_requires_parent_struct_alignment2.rs @@ -7,7 +7,7 @@ pub struct Aligned { _pad: [u8; 11], packed: Packed, } -#[repr(packed)] +#[repr(C, packed)] #[derive(Default, Copy, Clone)] pub struct Packed { _pad: [u8; 5], diff --git a/tests/mir-opt/const_allocation3.rs b/tests/mir-opt/const_allocation3.rs index 46be3e1e36e8..9d2006b6fe80 100644 --- a/tests/mir-opt/const_allocation3.rs +++ b/tests/mir-opt/const_allocation3.rs @@ -7,7 +7,7 @@ fn main() { FOO; } -#[repr(packed)] +#[repr(C, packed)] struct Packed { a: [u8; 28], b: &'static i32, From a14ca6005c991596a8a0ec2bd9b3ccebdf05942e Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Tue, 21 May 2024 14:07:02 +0200 Subject: [PATCH 0356/1716] don't inhibit random field reordering on repr(packed(1)) --- clippy_lints/src/transmute/transmute_undefined_repr.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/clippy_lints/src/transmute/transmute_undefined_repr.rs b/clippy_lints/src/transmute/transmute_undefined_repr.rs index 9c8dd37d53dc..3b32e4396b9f 100644 --- a/clippy_lints/src/transmute/transmute_undefined_repr.rs +++ b/clippy_lints/src/transmute/transmute_undefined_repr.rs @@ -278,7 +278,7 @@ fn reduce_ty<'tcx>(cx: &LateContext<'tcx>, mut ty: Ty<'tcx>) -> ReducedTy<'tcx> ty = sized_ty; continue; } - if def.repr().inhibit_struct_field_reordering_opt() { + if def.repr().inhibit_struct_field_reordering() { ReducedTy::OrderedFields(Some(sized_ty)) } else { ReducedTy::UnorderedFields(ty) From c773debc87c99a97def1e2a3e0d83d0167cc9d9b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Tue, 21 May 2024 19:31:38 +0200 Subject: [PATCH 0357/1716] Create a triagebot ping group for Rust for Linux --- triagebot.toml | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/triagebot.toml b/triagebot.toml index 2e45b257f812..a0581a298702 100644 --- a/triagebot.toml +++ b/triagebot.toml @@ -122,6 +122,17 @@ issues). """ label = "O-apple" +[ping.rust-for-linux] +alias = ["rfl"] +message = """\ +Hey Rust for Linux group! It looks like something broke the Rust for Linux integration. +Could you try to take a look? +In case it's useful, here are some [instructions] for tackling these sorts of issues. + +[instructions]: https://rustc-dev-guide.rust-lang.org/notification-groups/rust-for-linux.html +""" +label = "O-rfl" + [prioritize] label = "I-prioritize" From 4363278c73cf506f71215e9e21af90e31c4d74ea Mon Sep 17 00:00:00 2001 From: Philipp Krones Date: Tue, 21 May 2024 10:39:30 -0700 Subject: [PATCH 0358/1716] Merge commit '2efebd2f0c03dabbe5c3ad7b4ebfbd99238d1fb2' into clippy-subtree-update --- .github/driver.sh | 19 +- .github/workflows/clippy.yml | 6 +- .github/workflows/clippy_bors.yml | 4 +- CHANGELOG.md | 7 + book/src/lint_configuration.md | 42 ++ clippy_config/src/conf.rs | 31 + clippy_config/src/msrvs.rs | 3 +- clippy_dev/Cargo.toml | 3 +- clippy_dev/src/main.rs | 578 ++++++++---------- clippy_dev/src/new_lint.rs | 14 +- clippy_dev/src/serve.rs | 2 +- clippy_dev/src/update_lints.rs | 4 +- clippy_lints/src/assigning_clones.rs | 37 +- .../src/attrs/duplicated_attributes.rs | 3 +- clippy_lints/src/attrs/mod.rs | 12 +- clippy_lints/src/attrs/useless_attribute.rs | 49 +- .../src/cargo/lint_groups_priority.rs | 13 +- clippy_lints/src/casts/cast_sign_loss.rs | 4 + clippy_lints/src/declared_lints.rs | 4 + clippy_lints/src/doc/lazy_continuation.rs | 95 +++ clippy_lints/src/doc/missing_headers.rs | 9 +- clippy_lints/src/doc/mod.rs | 129 +++- clippy_lints/src/escape.rs | 4 +- clippy_lints/src/explicit_write.rs | 20 +- clippy_lints/src/format.rs | 19 +- clippy_lints/src/format_args.rs | 13 +- clippy_lints/src/format_impl.rs | 10 +- clippy_lints/src/from_str_radix_10.rs | 5 +- clippy_lints/src/functions/mod.rs | 59 +- .../src/functions/renamed_function_params.rs | 110 ++++ clippy_lints/src/future_not_send.rs | 2 +- clippy_lints/src/lib.rs | 55 +- clippy_lints/src/loops/mod.rs | 36 ++ clippy_lints/src/loops/mut_range_bound.rs | 9 +- clippy_lints/src/loops/while_float.rs | 20 + clippy_lints/src/macro_metavars_in_unsafe.rs | 256 ++++++++ clippy_lints/src/manual_clamp.rs | 7 + clippy_lints/src/matches/match_same_arms.rs | 37 +- .../matches/significant_drop_in_scrutinee.rs | 86 +-- clippy_lints/src/methods/expect_fun_call.rs | 7 +- clippy_lints/src/methods/iter_filter.rs | 8 +- clippy_lints/src/methods/iter_kv_map.rs | 2 + .../src/methods/iter_overeager_cloned.rs | 9 +- clippy_lints/src/methods/mod.rs | 15 +- .../src/methods/unnecessary_iter_cloned.rs | 53 +- clippy_lints/src/methods/utils.rs | 1 + .../src/needless_borrows_for_generic_args.rs | 51 +- clippy_lints/src/needless_continue.rs | 3 +- clippy_lints/src/needless_late_init.rs | 69 +-- clippy_lints/src/needless_pass_by_ref_mut.rs | 8 +- clippy_lints/src/needless_pass_by_value.rs | 4 +- clippy_lints/src/no_effect.rs | 8 +- clippy_lints/src/panic_unimplemented.rs | 14 +- clippy_lints/src/strings.rs | 8 + .../transmute/transmute_int_to_non_zero.rs | 2 +- clippy_lints/src/unwrap.rs | 6 +- .../src/utils/format_args_collector.rs | 27 +- clippy_lints/src/write.rs | 14 +- clippy_utils/src/lib.rs | 18 + clippy_utils/src/macros.rs | 78 ++- clippy_utils/src/qualify_min_const_fn.rs | 82 +-- clippy_utils/src/source.rs | 2 +- clippy_utils/src/sugg.rs | 3 +- clippy_utils/src/ty.rs | 15 +- clippy_utils/src/usage.rs | 10 +- lintcheck/Cargo.toml | 2 +- rust-toolchain | 2 +- .../lint_groups_priority/fail/Cargo.stderr | 30 +- .../lint_groups_priority/fail/Cargo.toml | 8 + .../macro_metavars_in_unsafe/default/test.rs | 260 ++++++++ .../default/test.stderr | 187 ++++++ .../private/clippy.toml | 1 + .../macro_metavars_in_unsafe/private/test.rs | 15 + .../private/test.stderr | 17 + tests/ui-toml/panic/clippy.toml | 1 + tests/ui-toml/panic/panic.rs | 54 ++ tests/ui-toml/panic/panic.stderr | 11 + .../default/clippy.toml | 2 + .../extend/clippy.toml | 2 + .../renamed_function_params.default.stderr | 46 ++ .../renamed_function_params.extend.stderr | 34 ++ .../renamed_function_params.rs | 110 ++++ .../conf_disallowed_types.rs | 6 + .../toml_unknown_key/conf_unknown_key.stderr | 9 + tests/ui/assigning_clones.fixed | 26 + tests/ui/assigning_clones.rs | 26 + tests/ui/assigning_clones.stderr | 46 +- tests/ui/doc/doc_lazy_blockquote.fixed | 47 ++ tests/ui/doc/doc_lazy_blockquote.rs | 47 ++ tests/ui/doc/doc_lazy_blockquote.stderr | 76 +++ tests/ui/doc/doc_lazy_list.fixed | 77 +++ tests/ui/doc/doc_lazy_list.rs | 77 +++ tests/ui/doc/doc_lazy_list.stderr | 136 +++++ tests/ui/duplicated_attributes.rs | 6 +- tests/ui/from_str_radix_10.fixed | 11 + tests/ui/from_str_radix_10.rs | 11 + tests/ui/from_str_radix_10.stderr | 16 +- tests/ui/match_same_arms.stderr | 132 ++-- tests/ui/match_same_arms2.fixed | 241 ++++++++ tests/ui/match_same_arms2.rs | 5 +- tests/ui/match_same_arms2.stderr | 283 +++++---- tests/ui/match_same_arms_non_exhaustive.fixed | 61 ++ tests/ui/match_same_arms_non_exhaustive.rs | 1 - .../ui/match_same_arms_non_exhaustive.stderr | 18 +- .../ui/missing_const_for_fn/cant_be_const.rs | 18 +- .../ui/missing_const_for_fn/could_be_const.rs | 28 + .../could_be_const.stderr | 30 +- tests/ui/missing_panics_doc.rs | 8 + .../needless_borrows_for_generic_args.fixed | 42 +- tests/ui/needless_borrows_for_generic_args.rs | 36 +- .../needless_borrows_for_generic_args.stderr | 32 +- tests/ui/needless_late_init.stderr | 177 +++--- tests/ui/no_effect.rs | 13 - tests/ui/no_effect.stderr | 68 +-- tests/ui/significant_drop_in_scrutinee.rs | 56 ++ tests/ui/significant_drop_in_scrutinee.stderr | 28 +- tests/ui/unnecessary_iter_cloned.fixed | 32 + tests/ui/unnecessary_iter_cloned.rs | 32 + tests/ui/unnecessary_iter_cloned.stderr | 4 +- tests/ui/useless_attribute.fixed | 43 ++ tests/ui/useless_attribute.rs | 43 ++ tests/ui/while_float.rs | 14 + tests/ui/while_float.stderr | 20 + util/gh-pages/script.js | 2 +- 124 files changed, 4052 insertions(+), 1147 deletions(-) create mode 100644 clippy_lints/src/doc/lazy_continuation.rs create mode 100644 clippy_lints/src/functions/renamed_function_params.rs create mode 100644 clippy_lints/src/loops/while_float.rs create mode 100644 clippy_lints/src/macro_metavars_in_unsafe.rs create mode 100644 tests/ui-toml/macro_metavars_in_unsafe/default/test.rs create mode 100644 tests/ui-toml/macro_metavars_in_unsafe/default/test.stderr create mode 100644 tests/ui-toml/macro_metavars_in_unsafe/private/clippy.toml create mode 100644 tests/ui-toml/macro_metavars_in_unsafe/private/test.rs create mode 100644 tests/ui-toml/macro_metavars_in_unsafe/private/test.stderr create mode 100644 tests/ui-toml/panic/clippy.toml create mode 100644 tests/ui-toml/panic/panic.rs create mode 100644 tests/ui-toml/panic/panic.stderr create mode 100644 tests/ui-toml/renamed_function_params/default/clippy.toml create mode 100644 tests/ui-toml/renamed_function_params/extend/clippy.toml create mode 100644 tests/ui-toml/renamed_function_params/renamed_function_params.default.stderr create mode 100644 tests/ui-toml/renamed_function_params/renamed_function_params.extend.stderr create mode 100644 tests/ui-toml/renamed_function_params/renamed_function_params.rs create mode 100644 tests/ui/doc/doc_lazy_blockquote.fixed create mode 100644 tests/ui/doc/doc_lazy_blockquote.rs create mode 100644 tests/ui/doc/doc_lazy_blockquote.stderr create mode 100644 tests/ui/doc/doc_lazy_list.fixed create mode 100644 tests/ui/doc/doc_lazy_list.rs create mode 100644 tests/ui/doc/doc_lazy_list.stderr create mode 100644 tests/ui/match_same_arms2.fixed create mode 100644 tests/ui/match_same_arms_non_exhaustive.fixed create mode 100644 tests/ui/while_float.rs create mode 100644 tests/ui/while_float.stderr diff --git a/.github/driver.sh b/.github/driver.sh index 2eafdd0fbc87..09202b1878b2 100755 --- a/.github/driver.sh +++ b/.github/driver.sh @@ -2,15 +2,18 @@ set -ex -# Check sysroot handling -sysroot=$(./target/debug/clippy-driver --print sysroot) -test "$sysroot" = "$(rustc --print sysroot)" +sysroot="$(rustc --print sysroot)" +case $OS in + Linux) export LD_LIBRARY_PATH="$sysroot/lib" ;; + macOS) export DYLD_FALLBACK_LIBRARY_PATH="$sysroot/lib" ;; + Windows) export PATH="$(cygpath "$sysroot")/bin:$PATH" ;; + *) exit 1 +esac -if [[ ${OS} == "Windows" ]]; then - desired_sysroot=C:/tmp -else - desired_sysroot=/tmp -fi +# Check sysroot handling +test "$(./target/debug/clippy-driver --print sysroot)" = "$sysroot" + +desired_sysroot="target/sysroot" # Set --sysroot in command line sysroot=$(./target/debug/clippy-driver --sysroot $desired_sysroot --print sysroot) test "$sysroot" = $desired_sysroot diff --git a/.github/workflows/clippy.yml b/.github/workflows/clippy.yml index 8179e3e65b54..06bf3b6fdbfa 100644 --- a/.github/workflows/clippy.yml +++ b/.github/workflows/clippy.yml @@ -69,6 +69,6 @@ jobs: working-directory: clippy_dev - name: Test clippy-driver - run: | - TOOLCHAIN=$(rustup show active-toolchain | cut -f1 -d' ') - rustup run $TOOLCHAIN bash .github/driver.sh + run: .github/driver.sh + env: + OS: ${{ runner.os }} diff --git a/.github/workflows/clippy_bors.yml b/.github/workflows/clippy_bors.yml index 94515987eba4..1f4bec929182 100644 --- a/.github/workflows/clippy_bors.yml +++ b/.github/workflows/clippy_bors.yml @@ -116,9 +116,7 @@ jobs: working-directory: clippy_dev - name: Test clippy-driver - run: | - TOOLCHAIN=$(rustup show active-toolchain | cut -f1 -d' ') - rustup run $TOOLCHAIN bash .github/driver.sh + run: .github/driver.sh env: OS: ${{ runner.os }} diff --git a/CHANGELOG.md b/CHANGELOG.md index 9c9ea1140814..d5115f70f662 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -5249,6 +5249,7 @@ Released 2018-09-13 [`disallowed_type`]: https://rust-lang.github.io/rust-clippy/master/index.html#disallowed_type [`disallowed_types`]: https://rust-lang.github.io/rust-clippy/master/index.html#disallowed_types [`diverging_sub_expression`]: https://rust-lang.github.io/rust-clippy/master/index.html#diverging_sub_expression +[`doc_lazy_continuation`]: https://rust-lang.github.io/rust-clippy/master/index.html#doc_lazy_continuation [`doc_link_with_quotes`]: https://rust-lang.github.io/rust-clippy/master/index.html#doc_link_with_quotes [`doc_markdown`]: https://rust-lang.github.io/rust-clippy/master/index.html#doc_markdown [`double_comparisons`]: https://rust-lang.github.io/rust-clippy/master/index.html#double_comparisons @@ -5447,6 +5448,7 @@ Released 2018-09-13 [`little_endian_bytes`]: https://rust-lang.github.io/rust-clippy/master/index.html#little_endian_bytes [`logic_bug`]: https://rust-lang.github.io/rust-clippy/master/index.html#logic_bug [`lossy_float_literal`]: https://rust-lang.github.io/rust-clippy/master/index.html#lossy_float_literal +[`macro_metavars_in_unsafe`]: https://rust-lang.github.io/rust-clippy/master/index.html#macro_metavars_in_unsafe [`macro_use_imports`]: https://rust-lang.github.io/rust-clippy/master/index.html#macro_use_imports [`main_recursion`]: https://rust-lang.github.io/rust-clippy/master/index.html#main_recursion [`manual_assert`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_assert @@ -5702,6 +5704,7 @@ Released 2018-09-13 [`ref_option_ref`]: https://rust-lang.github.io/rust-clippy/master/index.html#ref_option_ref [`ref_patterns`]: https://rust-lang.github.io/rust-clippy/master/index.html#ref_patterns [`regex_macro`]: https://rust-lang.github.io/rust-clippy/master/index.html#regex_macro +[`renamed_function_params`]: https://rust-lang.github.io/rust-clippy/master/index.html#renamed_function_params [`repeat_once`]: https://rust-lang.github.io/rust-clippy/master/index.html#repeat_once [`repeat_vec_with_capacity`]: https://rust-lang.github.io/rust-clippy/master/index.html#repeat_vec_with_capacity [`replace_consts`]: https://rust-lang.github.io/rust-clippy/master/index.html#replace_consts @@ -5908,6 +5911,7 @@ Released 2018-09-13 [`verbose_file_reads`]: https://rust-lang.github.io/rust-clippy/master/index.html#verbose_file_reads [`vtable_address_comparisons`]: https://rust-lang.github.io/rust-clippy/master/index.html#vtable_address_comparisons [`waker_clone_wake`]: https://rust-lang.github.io/rust-clippy/master/index.html#waker_clone_wake +[`while_float`]: https://rust-lang.github.io/rust-clippy/master/index.html#while_float [`while_immutable_condition`]: https://rust-lang.github.io/rust-clippy/master/index.html#while_immutable_condition [`while_let_loop`]: https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop [`while_let_on_iterator`]: https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator @@ -5939,8 +5943,10 @@ Released 2018-09-13 [`allow-expect-in-tests`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allow-expect-in-tests [`allow-mixed-uninlined-format-args`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allow-mixed-uninlined-format-args [`allow-one-hash-in-raw-strings`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allow-one-hash-in-raw-strings +[`allow-panic-in-tests`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allow-panic-in-tests [`allow-print-in-tests`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allow-print-in-tests [`allow-private-module-inception`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allow-private-module-inception +[`allow-renamed-params-for`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allow-renamed-params-for [`allow-unwrap-in-tests`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allow-unwrap-in-tests [`allow-useless-vec-in-tests`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allow-useless-vec-in-tests [`allowed-dotfiles`]: https://doc.rust-lang.org/clippy/lint_configuration.html#allowed-dotfiles @@ -6002,4 +6008,5 @@ Released 2018-09-13 [`vec-box-size-threshold`]: https://doc.rust-lang.org/clippy/lint_configuration.html#vec-box-size-threshold [`verbose-bit-mask-threshold`]: https://doc.rust-lang.org/clippy/lint_configuration.html#verbose-bit-mask-threshold [`warn-on-all-wildcard-imports`]: https://doc.rust-lang.org/clippy/lint_configuration.html#warn-on-all-wildcard-imports +[`warn-unsafe-macro-metavars-in-private-macros`]: https://doc.rust-lang.org/clippy/lint_configuration.html#warn-unsafe-macro-metavars-in-private-macros diff --git a/book/src/lint_configuration.md b/book/src/lint_configuration.md index f6af9810ca16..c8223007df7b 100644 --- a/book/src/lint_configuration.md +++ b/book/src/lint_configuration.md @@ -101,6 +101,16 @@ Whether to allow `r#""#` when `r""` can be used * [`unnecessary_raw_string_hashes`](https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_raw_string_hashes) +## `allow-panic-in-tests` +Whether `panic` should be allowed in test functions or `#[cfg(test)]` + +**Default Value:** `false` + +--- +**Affected lints:** +* [`panic`](https://rust-lang.github.io/rust-clippy/master/index.html#panic) + + ## `allow-print-in-tests` Whether print macros (ex. `println!`) should be allowed in test functions or `#[cfg(test)]` @@ -122,6 +132,28 @@ Whether to allow module inception if it's not public. * [`module_inception`](https://rust-lang.github.io/rust-clippy/master/index.html#module_inception) +## `allow-renamed-params-for` +List of trait paths to ignore when checking renamed function parameters. + +#### Example + +```toml +allow-renamed-params-for = [ "std::convert::From" ] +``` + +#### Noteworthy + +- By default, the following traits are ignored: `From`, `TryFrom`, `FromStr` +- `".."` can be used as part of the list to indicate that the configured values should be appended to the +default configuration of Clippy. By default, any configuration will replace the default value. + +**Default Value:** `["core::convert::From", "core::convert::TryFrom", "core::str::FromStr"]` + +--- +**Affected lints:** +* [`renamed_function_params`](https://rust-lang.github.io/rust-clippy/master/index.html#renamed_function_params) + + ## `allow-unwrap-in-tests` Whether `unwrap` should be allowed in test functions or `#[cfg(test)]` @@ -900,3 +932,13 @@ Whether to allow certain wildcard imports (prelude, super in tests). * [`wildcard_imports`](https://rust-lang.github.io/rust-clippy/master/index.html#wildcard_imports) +## `warn-unsafe-macro-metavars-in-private-macros` +Whether to also emit warnings for unsafe blocks with metavariable expansions in **private** macros. + +**Default Value:** `false` + +--- +**Affected lints:** +* [`macro_metavars_in_unsafe`](https://rust-lang.github.io/rust-clippy/master/index.html#macro_metavars_in_unsafe) + + diff --git a/clippy_config/src/conf.rs b/clippy_config/src/conf.rs index 5cfcbdb57d73..cfdf620b7d07 100644 --- a/clippy_config/src/conf.rs +++ b/clippy_config/src/conf.rs @@ -40,6 +40,8 @@ const DEFAULT_DOC_VALID_IDENTS: &[&str] = &[ const DEFAULT_DISALLOWED_NAMES: &[&str] = &["foo", "baz", "quux"]; const DEFAULT_ALLOWED_IDENTS_BELOW_MIN_CHARS: &[&str] = &["i", "j", "x", "y", "z", "w", "n"]; const DEFAULT_ALLOWED_PREFIXES: &[&str] = &["to", "as", "into", "from", "try_into", "try_from"]; +const DEFAULT_ALLOWED_TRAITS_WITH_RENAMED_PARAMS: &[&str] = + &["core::convert::From", "core::convert::TryFrom", "core::str::FromStr"]; /// Conf with parse errors #[derive(Default)] @@ -455,6 +457,10 @@ define_Conf! { /// /// Whether `unwrap` should be allowed in test functions or `#[cfg(test)]` (allow_unwrap_in_tests: bool = false), + /// Lint: PANIC. + /// + /// Whether `panic` should be allowed in test functions or `#[cfg(test)]` + (allow_panic_in_tests: bool = false), /// Lint: DBG_MACRO. /// /// Whether `dbg!` should be allowed in test functions or `#[cfg(test)]` @@ -613,6 +619,27 @@ define_Conf! { /// - Use `".."` as part of the list to indicate that the configured values should be appended to the /// default configuration of Clippy. By default, any configuration will replace the default value (allowed_prefixes: Vec = DEFAULT_ALLOWED_PREFIXES.iter().map(ToString::to_string).collect()), + /// Lint: RENAMED_FUNCTION_PARAMS. + /// + /// List of trait paths to ignore when checking renamed function parameters. + /// + /// #### Example + /// + /// ```toml + /// allow-renamed-params-for = [ "std::convert::From" ] + /// ``` + /// + /// #### Noteworthy + /// + /// - By default, the following traits are ignored: `From`, `TryFrom`, `FromStr` + /// - `".."` can be used as part of the list to indicate that the configured values should be appended to the + /// default configuration of Clippy. By default, any configuration will replace the default value. + (allow_renamed_params_for: Vec = + DEFAULT_ALLOWED_TRAITS_WITH_RENAMED_PARAMS.iter().map(ToString::to_string).collect()), + /// Lint: MACRO_METAVARS_IN_UNSAFE. + /// + /// Whether to also emit warnings for unsafe blocks with metavariable expansions in **private** macros. + (warn_unsafe_macro_metavars_in_private_macros: bool = false), } /// Search for the configuration file. @@ -674,6 +701,10 @@ fn deserialize(file: &SourceFile) -> TryConf { extend_vec_if_indicator_present(&mut conf.conf.doc_valid_idents, DEFAULT_DOC_VALID_IDENTS); extend_vec_if_indicator_present(&mut conf.conf.disallowed_names, DEFAULT_DISALLOWED_NAMES); extend_vec_if_indicator_present(&mut conf.conf.allowed_prefixes, DEFAULT_ALLOWED_PREFIXES); + extend_vec_if_indicator_present( + &mut conf.conf.allow_renamed_params_for, + DEFAULT_ALLOWED_TRAITS_WITH_RENAMED_PARAMS, + ); // TODO: THIS SHOULD BE TESTED, this comment will be gone soon if conf.conf.allowed_idents_below_min_chars.contains("..") { conf.conf diff --git a/clippy_config/src/msrvs.rs b/clippy_config/src/msrvs.rs index 14808440d48d..a3e7d0c3fa5f 100644 --- a/clippy_config/src/msrvs.rs +++ b/clippy_config/src/msrvs.rs @@ -26,7 +26,8 @@ msrv_aliases! { 1,63,0 { CLONE_INTO } 1,62,0 { BOOL_THEN_SOME, DEFAULT_ENUM_ATTRIBUTE } 1,59,0 { THREAD_LOCAL_INITIALIZER_CAN_BE_MADE_CONST } - 1,58,0 { FORMAT_ARGS_CAPTURE, PATTERN_TRAIT_CHAR_ARRAY } + 1,58,0 { FORMAT_ARGS_CAPTURE, PATTERN_TRAIT_CHAR_ARRAY, CONST_RAW_PTR_DEREF } + 1,56,0 { CONST_FN_UNION } 1,55,0 { SEEK_REWIND } 1,54,0 { INTO_KEYS } 1,53,0 { OR_PATTERNS, MANUAL_BITS, BTREE_MAP_RETAIN, BTREE_SET_RETAIN, ARRAY_INTO_ITERATOR } diff --git a/clippy_dev/Cargo.toml b/clippy_dev/Cargo.toml index 42a953039b1c..4104e7d94f14 100644 --- a/clippy_dev/Cargo.toml +++ b/clippy_dev/Cargo.toml @@ -1,11 +1,12 @@ [package] name = "clippy_dev" +description = "Clippy developer tooling" version = "0.0.1" edition = "2021" [dependencies] aho-corasick = "1.0" -clap = "4.1.4" +clap = { version = "4.4", features = ["derive"] } indoc = "1.0" itertools = "0.12" opener = "0.6" diff --git a/clippy_dev/src/main.rs b/clippy_dev/src/main.rs index 397a0e990829..366b52b25dfc 100644 --- a/clippy_dev/src/main.rs +++ b/clippy_dev/src/main.rs @@ -2,350 +2,292 @@ // warn on lints, that are included in `rust-lang/rust`s bootstrap #![warn(rust_2018_idioms, unused_lifetimes)] -use clap::{Arg, ArgAction, ArgMatches, Command}; +use clap::{Args, Parser, Subcommand}; use clippy_dev::{dogfood, fmt, lint, new_lint, serve, setup, update_lints}; -use indoc::indoc; use std::convert::Infallible; fn main() { - let matches = get_clap_config(); + let dev = Dev::parse(); - match matches.subcommand() { - Some(("bless", _)) => { + match dev.command { + DevCommand::Bless => { eprintln!("use `cargo bless` to automatically replace `.stderr` and `.fixed` files as tests are being run"); }, - Some(("dogfood", matches)) => { - dogfood::dogfood( - matches.get_flag("fix"), - matches.get_flag("allow-dirty"), - matches.get_flag("allow-staged"), - ); - }, - Some(("fmt", matches)) => { - fmt::run(matches.get_flag("check"), matches.get_flag("verbose")); - }, - Some(("update_lints", matches)) => { - if matches.get_flag("print-only") { + DevCommand::Dogfood { + fix, + allow_dirty, + allow_staged, + } => dogfood::dogfood(fix, allow_dirty, allow_staged), + DevCommand::Fmt { check, verbose } => fmt::run(check, verbose), + DevCommand::UpdateLints { print_only, check } => { + if print_only { update_lints::print_lints(); - } else if matches.get_flag("check") { + } else if check { update_lints::update(update_lints::UpdateMode::Check); } else { update_lints::update(update_lints::UpdateMode::Change); } }, - Some(("new_lint", matches)) => { - match new_lint::create( - matches.get_one::("pass").unwrap(), - matches.get_one::("name"), - matches.get_one::("category").map(String::as_str), - matches.get_one::("type").map(String::as_str), - matches.get_flag("msrv"), - ) { - Ok(()) => update_lints::update(update_lints::UpdateMode::Change), - Err(e) => eprintln!("Unable to create lint: {e}"), - } + DevCommand::NewLint { + pass, + name, + category, + r#type, + msrv, + } => match new_lint::create(&pass, &name, &category, r#type.as_deref(), msrv) { + Ok(()) => update_lints::update(update_lints::UpdateMode::Change), + Err(e) => eprintln!("Unable to create lint: {e}"), }, - Some(("setup", sub_command)) => match sub_command.subcommand() { - Some(("git-hook", matches)) => { - if matches.get_flag("remove") { - setup::git_hook::remove_hook(); - } else { - setup::git_hook::install_hook(matches.get_flag("force-override")); - } - }, - Some(("intellij", matches)) => { - if matches.get_flag("remove") { + DevCommand::Setup(SetupCommand { subcommand }) => match subcommand { + SetupSubcommand::Intellij { remove, repo_path } => { + if remove { setup::intellij::remove_rustc_src(); } else { - setup::intellij::setup_rustc_src( - matches - .get_one::("rustc-repo-path") - .expect("this field is mandatory and therefore always valid"), - ); + setup::intellij::setup_rustc_src(&repo_path); } }, - Some(("toolchain", matches)) => { - setup::toolchain::create( - matches.get_flag("force"), - matches.get_flag("release"), - matches.get_one::("name").unwrap(), - ); + SetupSubcommand::GitHook { remove, force_override } => { + if remove { + setup::git_hook::remove_hook(); + } else { + setup::git_hook::install_hook(force_override); + } }, - Some(("vscode-tasks", matches)) => { - if matches.get_flag("remove") { + SetupSubcommand::Toolchain { force, release, name } => setup::toolchain::create(force, release, &name), + SetupSubcommand::VscodeTasks { remove, force_override } => { + if remove { setup::vscode::remove_tasks(); } else { - setup::vscode::install_tasks(matches.get_flag("force-override")); + setup::vscode::install_tasks(force_override); } }, - _ => {}, }, - Some(("remove", sub_command)) => match sub_command.subcommand() { - Some(("git-hook", _)) => setup::git_hook::remove_hook(), - Some(("intellij", _)) => setup::intellij::remove_rustc_src(), - Some(("vscode-tasks", _)) => setup::vscode::remove_tasks(), - _ => {}, + DevCommand::Remove(RemoveCommand { subcommand }) => match subcommand { + RemoveSubcommand::Intellij => setup::intellij::remove_rustc_src(), + RemoveSubcommand::GitHook => setup::git_hook::remove_hook(), + RemoveSubcommand::VscodeTasks => setup::vscode::remove_tasks(), }, - Some(("serve", matches)) => { - let port = *matches.get_one::("port").unwrap(); - let lint = matches.get_one::("lint"); - serve::run(port, lint); - }, - Some(("lint", matches)) => { - let path = matches.get_one::("path").unwrap(); - let args = matches.get_many::("args").into_iter().flatten(); - lint::run(path, args); - }, - Some(("rename_lint", matches)) => { - let old_name = matches.get_one::("old_name").unwrap(); - let new_name = matches.get_one::("new_name").unwrap_or(old_name); - let uplift = matches.get_flag("uplift"); - update_lints::rename(old_name, new_name, uplift); - }, - Some(("deprecate", matches)) => { - let name = matches.get_one::("name").unwrap(); - let reason = matches.get_one("reason"); - update_lints::deprecate(name, reason); - }, - _ => {}, + DevCommand::Serve { port, lint } => serve::run(port, lint), + DevCommand::Lint { path, args } => lint::run(&path, args.iter()), + DevCommand::RenameLint { + old_name, + new_name, + uplift, + } => update_lints::rename(&old_name, new_name.as_ref().unwrap_or(&old_name), uplift), + DevCommand::Deprecate { name, reason } => update_lints::deprecate(&name, reason.as_deref()), } } -fn get_clap_config() -> ArgMatches { - Command::new("Clippy developer tooling") - .arg_required_else_help(true) - .subcommands([ - Command::new("bless").about("bless the test output changes").arg( - Arg::new("ignore-timestamp") - .long("ignore-timestamp") - .action(ArgAction::SetTrue) - .help("Include files updated before clippy was built"), - ), - Command::new("dogfood").about("Runs the dogfood test").args([ - Arg::new("fix") - .long("fix") - .action(ArgAction::SetTrue) - .help("Apply the suggestions when possible"), - Arg::new("allow-dirty") - .long("allow-dirty") - .action(ArgAction::SetTrue) - .help("Fix code even if the working directory has changes") - .requires("fix"), - Arg::new("allow-staged") - .long("allow-staged") - .action(ArgAction::SetTrue) - .help("Fix code even if the working directory has staged changes") - .requires("fix"), - ]), - Command::new("fmt") - .about("Run rustfmt on all projects and tests") - .args([ - Arg::new("check") - .long("check") - .action(ArgAction::SetTrue) - .help("Use the rustfmt --check option"), - Arg::new("verbose") - .short('v') - .long("verbose") - .action(ArgAction::SetTrue) - .help("Echo commands run"), - ]), - Command::new("update_lints") - .about("Updates lint registration and information from the source code") - .long_about( - "Makes sure that:\n \ - * the lint count in README.md is correct\n \ - * the changelog contains markdown link references at the bottom\n \ - * all lint groups include the correct lints\n \ - * lint modules in `clippy_lints/*` are visible in `src/lib.rs` via `pub mod`\n \ - * all lints are registered in the lint store", - ) - .args([ - Arg::new("print-only") - .long("print-only") - .action(ArgAction::SetTrue) - .help( - "Print a table of lints to STDOUT. \ - This does not include deprecated and internal lints. \ - (Does not modify any files)", - ), - Arg::new("check") - .long("check") - .action(ArgAction::SetTrue) - .help("Checks that `cargo dev update_lints` has been run. Used on CI."), - ]), - Command::new("new_lint") - .about("Create new lint and run `cargo dev update_lints`") - .args([ - Arg::new("pass") - .short('p') - .long("pass") - .help("Specify whether the lint runs during the early or late pass") - .value_parser(["early", "late"]) - .conflicts_with("type") - .default_value("late"), - Arg::new("name") - .short('n') - .long("name") - .help("Name of the new lint in snake case, ex: fn_too_long") - .required(true) - .value_parser(|name: &str| Ok::<_, Infallible>(name.replace('-', "_"))), - Arg::new("category") - .short('c') - .long("category") - .help("What category the lint belongs to") - .default_value("nursery") - .value_parser([ - "style", - "correctness", - "suspicious", - "complexity", - "perf", - "pedantic", - "restriction", - "cargo", - "nursery", - "internal", - ]), - Arg::new("type").long("type").help("What directory the lint belongs in"), - Arg::new("msrv") - .long("msrv") - .action(ArgAction::SetTrue) - .help("Add MSRV config code to the lint"), - ]), - Command::new("setup") - .about("Support for setting up your personal development environment") - .arg_required_else_help(true) - .subcommands([ - Command::new("git-hook") - .about("Add a pre-commit git hook that formats your code to make it look pretty") - .args([ - Arg::new("remove") - .long("remove") - .action(ArgAction::SetTrue) - .help("Remove the pre-commit hook added with 'cargo dev setup git-hook'"), - Arg::new("force-override") - .long("force-override") - .short('f') - .action(ArgAction::SetTrue) - .help("Forces the override of an existing git pre-commit hook"), - ]), - Command::new("intellij") - .about("Alter dependencies so Intellij Rust can find rustc internals") - .args([ - Arg::new("remove") - .long("remove") - .action(ArgAction::SetTrue) - .help("Remove the dependencies added with 'cargo dev setup intellij'"), - Arg::new("rustc-repo-path") - .long("repo-path") - .short('r') - .help("The path to a rustc repo that will be used for setting the dependencies") - .value_name("path") - .conflicts_with("remove") - .required(true), - ]), - Command::new("toolchain") - .about("Install a rustup toolchain pointing to the local clippy build") - .args([ - Arg::new("force") - .long("force") - .short('f') - .action(ArgAction::SetTrue) - .help("Override an existing toolchain"), - Arg::new("release") - .long("release") - .short('r') - .action(ArgAction::SetTrue) - .help("Point to --release clippy binaries"), - Arg::new("name") - .long("name") - .default_value("clippy") - .help("The name of the created toolchain"), - ]), - Command::new("vscode-tasks") - .about("Add several tasks to vscode for formatting, validation and testing") - .args([ - Arg::new("remove") - .long("remove") - .action(ArgAction::SetTrue) - .help("Remove the tasks added with 'cargo dev setup vscode-tasks'"), - Arg::new("force-override") - .long("force-override") - .short('f') - .action(ArgAction::SetTrue) - .help("Forces the override of existing vscode tasks"), - ]), - ]), - Command::new("remove") - .about("Support for undoing changes done by the setup command") - .arg_required_else_help(true) - .subcommands([ - Command::new("git-hook").about("Remove any existing pre-commit git hook"), - Command::new("vscode-tasks").about("Remove any existing vscode tasks"), - Command::new("intellij").about("Removes rustc source paths added via `cargo dev setup intellij`"), - ]), - Command::new("serve") - .about("Launch a local 'ALL the Clippy Lints' website in a browser") - .args([ - Arg::new("port") - .long("port") - .short('p') - .help("Local port for the http server") - .default_value("8000") - .value_parser(clap::value_parser!(u16)), - Arg::new("lint").help("Which lint's page to load initially (optional)"), - ]), - Command::new("lint") - .about("Manually run clippy on a file or package") - .after_help(indoc! {" - EXAMPLES - Lint a single file: - cargo dev lint tests/ui/attrs.rs - - Lint a package directory: - cargo dev lint tests/ui-cargo/wildcard_dependencies/fail - cargo dev lint ~/my-project - - Run rustfix: - cargo dev lint ~/my-project -- --fix - - Set lint levels: - cargo dev lint file.rs -- -W clippy::pedantic - cargo dev lint ~/my-project -- -- -W clippy::pedantic - "}) - .args([ - Arg::new("path") - .required(true) - .help("The path to a file or package directory to lint"), - Arg::new("args") - .action(ArgAction::Append) - .help("Pass extra arguments to cargo/clippy-driver"), - ]), - Command::new("rename_lint").about("Renames the given lint").args([ - Arg::new("old_name") - .index(1) - .required(true) - .help("The name of the lint to rename"), - Arg::new("new_name") - .index(2) - .required_unless_present("uplift") - .help("The new name of the lint"), - Arg::new("uplift") - .long("uplift") - .action(ArgAction::SetTrue) - .help("This lint will be uplifted into rustc"), - ]), - Command::new("deprecate").about("Deprecates the given lint").args([ - Arg::new("name") - .index(1) - .required(true) - .help("The name of the lint to deprecate"), - Arg::new("reason") - .long("reason") - .short('r') - .help("The reason for deprecation"), - ]), - ]) - .get_matches() +#[derive(Parser)] +#[command(name = "dev", about)] +struct Dev { + #[command(subcommand)] + command: DevCommand, +} + +#[derive(Subcommand)] +enum DevCommand { + /// Bless the test output changes + Bless, + /// Runs the dogfood test + Dogfood { + #[arg(long)] + /// Apply the suggestions when possible + fix: bool, + #[arg(long, requires = "fix")] + /// Fix code even if the working directory has changes + allow_dirty: bool, + #[arg(long, requires = "fix")] + /// Fix code even if the working directory has staged changes + allow_staged: bool, + }, + /// Run rustfmt on all projects and tests + Fmt { + #[arg(long)] + /// Use the rustfmt --check option + check: bool, + #[arg(short, long)] + /// Echo commands run + verbose: bool, + }, + #[command(name = "update_lints")] + /// Updates lint registration and information from the source code + /// + /// Makes sure that: {n} + /// * the lint count in README.md is correct {n} + /// * the changelog contains markdown link references at the bottom {n} + /// * all lint groups include the correct lints {n} + /// * lint modules in `clippy_lints/*` are visible in `src/lib.rs` via `pub mod` {n} + /// * all lints are registered in the lint store + UpdateLints { + #[arg(long)] + /// Print a table of lints to STDOUT + /// + /// This does not include deprecated and internal lints. (Does not modify any files) + print_only: bool, + #[arg(long)] + /// Checks that `cargo dev update_lints` has been run. Used on CI. + check: bool, + }, + #[command(name = "new_lint")] + /// Create a new lint and run `cargo dev update_lints` + NewLint { + #[arg(short, long, value_parser = ["early", "late"], conflicts_with = "type", default_value = "late")] + /// Specify whether the lint runs during the early or late pass + pass: String, + #[arg( + short, + long, + value_parser = |name: &str| Ok::<_, Infallible>(name.replace('-', "_")), + )] + /// Name of the new lint in snake case, ex: `fn_too_long` + name: String, + #[arg( + short, + long, + value_parser = [ + "style", + "correctness", + "suspicious", + "complexity", + "perf", + "pedantic", + "restriction", + "cargo", + "nursery", + "internal", + ], + default_value = "nursery", + )] + /// What category the lint belongs to + category: String, + #[arg(long)] + /// What directory the lint belongs in + r#type: Option, + #[arg(long)] + /// Add MSRV config code to the lint + msrv: bool, + }, + /// Support for setting up your personal development environment + Setup(SetupCommand), + /// Support for removing changes done by the setup command + Remove(RemoveCommand), + /// Launch a local 'ALL the Clippy Lints' website in a browser + Serve { + #[arg(short, long, default_value = "8000")] + /// Local port for the http server + port: u16, + #[arg(long)] + /// Which lint's page to load initially (optional) + lint: Option, + }, + #[allow(clippy::doc_markdown)] + /// Manually run clippy on a file or package + /// + /// ## Examples + /// + /// Lint a single file: {n} + /// cargo dev lint tests/ui/attrs.rs + /// + /// Lint a package directory: {n} + /// cargo dev lint tests/ui-cargo/wildcard_dependencies/fail {n} + /// cargo dev lint ~/my-project + /// + /// Run rustfix: {n} + /// cargo dev lint ~/my-project -- --fix + /// + /// Set lint levels: {n} + /// cargo dev lint file.rs -- -W clippy::pedantic {n} + /// cargo dev lint ~/my-project -- -- -W clippy::pedantic + Lint { + /// The path to a file or package directory to lint + path: String, + /// Pass extra arguments to cargo/clippy-driver + args: Vec, + }, + #[command(name = "rename_lint")] + /// Rename a lint + RenameLint { + /// The name of the lint to rename + old_name: String, + #[arg(required_unless_present = "uplift")] + /// The new name of the lint + new_name: Option, + #[arg(long)] + /// This lint will be uplifted into rustc + uplift: bool, + }, + /// Deprecate the given lint + Deprecate { + /// The name of the lint to deprecate + name: String, + #[arg(long, short)] + /// The reason for deprecation + reason: Option, + }, +} + +#[derive(Args)] +struct SetupCommand { + #[command(subcommand)] + subcommand: SetupSubcommand, +} + +#[derive(Subcommand)] +enum SetupSubcommand { + /// Alter dependencies so Intellij Rust can find rustc internals + Intellij { + #[arg(long)] + /// Remove the dependencies added with 'cargo dev setup intellij' + remove: bool, + #[arg(long, short, conflicts_with = "remove")] + /// The path to a rustc repo that will be used for setting the dependencies + repo_path: String, + }, + /// Add a pre-commit git hook that formats your code to make it look pretty + GitHook { + #[arg(long)] + /// Remove the pre-commit hook added with 'cargo dev setup git-hook' + remove: bool, + #[arg(long, short)] + /// Forces the override of an existing git pre-commit hook + force_override: bool, + }, + /// Install a rustup toolchain pointing to the local clippy build + Toolchain { + #[arg(long, short)] + /// Override an existing toolchain + force: bool, + #[arg(long, short)] + /// Point to --release clippy binary + release: bool, + #[arg(long, default_value = "clippy")] + /// Name of the toolchain + name: String, + }, + /// Add several tasks to vscode for formatting, validation and testing + VscodeTasks { + #[arg(long)] + /// Remove the tasks added with 'cargo dev setup vscode-tasks' + remove: bool, + #[arg(long, short)] + /// Forces the override of existing vscode tasks + force_override: bool, + }, +} + +#[derive(Args)] +struct RemoveCommand { + #[command(subcommand)] + subcommand: RemoveSubcommand, +} + +#[derive(Subcommand)] +enum RemoveSubcommand { + /// Remove the dependencies added with 'cargo dev setup intellij' + Intellij, + /// Remove the pre-commit git hook + GitHook, + /// Remove the tasks added with 'cargo dev setup vscode-tasks' + VscodeTasks, } diff --git a/clippy_dev/src/new_lint.rs b/clippy_dev/src/new_lint.rs index 2940d56350f4..b6481dde4dde 100644 --- a/clippy_dev/src/new_lint.rs +++ b/clippy_dev/src/new_lint.rs @@ -36,22 +36,16 @@ impl Context for io::Result { /// # Errors /// /// This function errors out if the files couldn't be created or written to. -pub fn create( - pass: &String, - lint_name: Option<&String>, - category: Option<&str>, - mut ty: Option<&str>, - msrv: bool, -) -> io::Result<()> { - if category == Some("cargo") && ty.is_none() { +pub fn create(pass: &str, name: &str, category: &str, mut ty: Option<&str>, msrv: bool) -> io::Result<()> { + if category == "cargo" && ty.is_none() { // `cargo` is a special category, these lints should always be in `clippy_lints/src/cargo` ty = Some("cargo"); } let lint = LintData { pass, - name: lint_name.expect("`name` argument is validated by clap"), - category: category.expect("`category` argument is validated by clap"), + name, + category, ty, project_root: clippy_project_root(), }; diff --git a/clippy_dev/src/serve.rs b/clippy_dev/src/serve.rs index ea925f6709f9..4a4261d1a1e6 100644 --- a/clippy_dev/src/serve.rs +++ b/clippy_dev/src/serve.rs @@ -8,7 +8,7 @@ use std::{env, thread}; /// # Panics /// /// Panics if the python commands could not be spawned -pub fn run(port: u16, lint: Option<&String>) -> ! { +pub fn run(port: u16, lint: Option) -> ! { let mut url = Some(match lint { None => format!("http://localhost:{port}"), Some(lint) => format!("http://localhost:{port}/#{lint}"), diff --git a/clippy_dev/src/update_lints.rs b/clippy_dev/src/update_lints.rs index 625b13395913..45353901c98f 100644 --- a/clippy_dev/src/update_lints.rs +++ b/clippy_dev/src/update_lints.rs @@ -314,7 +314,7 @@ const DEFAULT_DEPRECATION_REASON: &str = "default deprecation note"; /// # Panics /// /// If a file path could not read from or written to -pub fn deprecate(name: &str, reason: Option<&String>) { +pub fn deprecate(name: &str, reason: Option<&str>) { fn finish( (lints, mut deprecated_lints, renamed_lints): (Vec, Vec, Vec), name: &str, @@ -335,7 +335,7 @@ pub fn deprecate(name: &str, reason: Option<&String>) { println!("note: you must run `cargo uitest` to update the test results"); } - let reason = reason.map_or(DEFAULT_DEPRECATION_REASON, String::as_str); + let reason = reason.unwrap_or(DEFAULT_DEPRECATION_REASON); let name_lower = name.to_lowercase(); let name_upper = name.to_uppercase(); diff --git a/clippy_lints/src/assigning_clones.rs b/clippy_lints/src/assigning_clones.rs index f0dafb1ae0d5..e94a6f3e3fc5 100644 --- a/clippy_lints/src/assigning_clones.rs +++ b/clippy_lints/src/assigning_clones.rs @@ -2,15 +2,15 @@ use clippy_config::msrvs::{self, Msrv}; use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::macros::HirNode; use clippy_utils::sugg::Sugg; -use clippy_utils::{is_trait_method, path_to_local}; +use clippy_utils::{is_trait_method, local_is_initialized, path_to_local}; use rustc_errors::Applicability; -use rustc_hir::{self as hir, Expr, ExprKind, Node}; +use rustc_hir::{self as hir, Expr, ExprKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty::{self, Instance, Mutability}; use rustc_session::impl_lint_pass; use rustc_span::def_id::DefId; use rustc_span::symbol::sym; -use rustc_span::ExpnKind; +use rustc_span::{ExpnKind, SyntaxContext}; declare_clippy_lint! { /// ### What it does @@ -36,6 +36,7 @@ declare_clippy_lint! { /// Use instead: /// ```rust /// struct Thing; + /// /// impl Clone for Thing { /// fn clone(&self) -> Self { todo!() } /// fn clone_from(&mut self, other: &Self) { todo!() } @@ -47,7 +48,7 @@ declare_clippy_lint! { /// ``` #[clippy::version = "1.78.0"] pub ASSIGNING_CLONES, - perf, + pedantic, "assigning the result of cloning may be inefficient" } @@ -67,7 +68,8 @@ impl_lint_pass!(AssigningClones => [ASSIGNING_CLONES]); impl<'tcx> LateLintPass<'tcx> for AssigningClones { fn check_expr(&mut self, cx: &LateContext<'tcx>, assign_expr: &'tcx Expr<'_>) { // Do not fire the lint in macros - let expn_data = assign_expr.span().ctxt().outer_expn_data(); + let ctxt = assign_expr.span().ctxt(); + let expn_data = ctxt.outer_expn_data(); match expn_data.kind { ExpnKind::AstPass(_) | ExpnKind::Desugaring(_) | ExpnKind::Macro(..) => return, ExpnKind::Root => {}, @@ -82,7 +84,7 @@ impl<'tcx> LateLintPass<'tcx> for AssigningClones { }; if is_ok_to_suggest(cx, lhs, &call, &self.msrv) { - suggest(cx, assign_expr, lhs, &call); + suggest(cx, ctxt, assign_expr, lhs, &call); } } @@ -163,9 +165,7 @@ fn is_ok_to_suggest<'tcx>(cx: &LateContext<'tcx>, lhs: &Expr<'tcx>, call: &CallC // TODO: This check currently bails if the local variable has no initializer. // That is overly conservative - the lint should fire even if there was no initializer, // but the variable has been initialized before `lhs` was evaluated. - if let Some(Node::LetStmt(local)) = cx.tcx.hir().parent_id_iter(local).next().map(|p| cx.tcx.hir_node(p)) - && local.init.is_none() - { + if !local_is_initialized(cx, local) { return false; } } @@ -222,14 +222,20 @@ fn is_ok_to_suggest<'tcx>(cx: &LateContext<'tcx>, lhs: &Expr<'tcx>, call: &CallC implemented_fns.contains_key(&provided_fn.def_id) } -fn suggest<'tcx>(cx: &LateContext<'tcx>, assign_expr: &Expr<'tcx>, lhs: &Expr<'tcx>, call: &CallCandidate<'tcx>) { +fn suggest<'tcx>( + cx: &LateContext<'tcx>, + ctxt: SyntaxContext, + assign_expr: &Expr<'tcx>, + lhs: &Expr<'tcx>, + call: &CallCandidate<'tcx>, +) { span_lint_and_then(cx, ASSIGNING_CLONES, assign_expr.span, call.message(), |diag| { let mut applicability = Applicability::Unspecified; diag.span_suggestion( assign_expr.span, call.suggestion_msg(), - call.suggested_replacement(cx, lhs, &mut applicability), + call.suggested_replacement(cx, ctxt, lhs, &mut applicability), applicability, ); }); @@ -275,6 +281,7 @@ impl<'tcx> CallCandidate<'tcx> { fn suggested_replacement( &self, cx: &LateContext<'tcx>, + ctxt: SyntaxContext, lhs: &Expr<'tcx>, applicability: &mut Applicability, ) -> String { @@ -294,7 +301,7 @@ impl<'tcx> CallCandidate<'tcx> { // Determine whether we need to reference the argument to clone_from(). let clone_receiver_type = cx.typeck_results().expr_ty(receiver); let clone_receiver_adj_type = cx.typeck_results().expr_ty_adjusted(receiver); - let mut arg_sugg = Sugg::hir_with_applicability(cx, receiver, "_", applicability); + let mut arg_sugg = Sugg::hir_with_context(cx, receiver, ctxt, "_", applicability); if clone_receiver_type != clone_receiver_adj_type { // The receiver may have been a value type, so we need to add an `&` to // be sure the argument to clone_from will be a reference. @@ -312,7 +319,7 @@ impl<'tcx> CallCandidate<'tcx> { Sugg::hir_with_applicability(cx, lhs, "_", applicability).mut_addr() }; // The RHS had to be exactly correct before the call, there is no auto-deref for function calls. - let rhs_sugg = Sugg::hir_with_applicability(cx, self_arg, "_", applicability); + let rhs_sugg = Sugg::hir_with_context(cx, self_arg, ctxt, "_", applicability); format!("Clone::clone_from({self_sugg}, {rhs_sugg})") }, @@ -341,11 +348,11 @@ impl<'tcx> CallCandidate<'tcx> { match self.kind { CallKind::MethodCall { receiver } => { - let receiver_sugg = Sugg::hir_with_applicability(cx, receiver, "_", applicability); + let receiver_sugg = Sugg::hir_with_context(cx, receiver, ctxt, "_", applicability); format!("{receiver_sugg}.clone_into({rhs_sugg})") }, CallKind::FunctionCall { self_arg, .. } => { - let self_sugg = Sugg::hir_with_applicability(cx, self_arg, "_", applicability); + let self_sugg = Sugg::hir_with_context(cx, self_arg, ctxt, "_", applicability); format!("ToOwned::clone_into({self_sugg}, {rhs_sugg})") }, } diff --git a/clippy_lints/src/attrs/duplicated_attributes.rs b/clippy_lints/src/attrs/duplicated_attributes.rs index 736ee48641d8..40a1c4e28842 100644 --- a/clippy_lints/src/attrs/duplicated_attributes.rs +++ b/clippy_lints/src/attrs/duplicated_attributes.rs @@ -36,9 +36,10 @@ fn check_duplicated_attr( } let Some(ident) = attr.ident() else { return }; let name = ident.name; - if name == sym::doc || name == sym::cfg_attr { + if name == sym::doc || name == sym::cfg_attr || name == sym::rustc_on_unimplemented { // FIXME: Would be nice to handle `cfg_attr` as well. Only problem is to check that cfg // conditions are the same. + // `#[rustc_on_unimplemented]` contains duplicated subattributes, that's expected. return; } if let Some(direct_parent) = parent.last() diff --git a/clippy_lints/src/attrs/mod.rs b/clippy_lints/src/attrs/mod.rs index 8f47bc7653b7..39f406077995 100644 --- a/clippy_lints/src/attrs/mod.rs +++ b/clippy_lints/src/attrs/mod.rs @@ -61,11 +61,21 @@ declare_clippy_lint! { /// /// This lint permits lint attributes for lints emitted on the items themself. /// For `use` items these lints are: + /// * ambiguous_glob_reexports + /// * dead_code /// * deprecated + /// * hidden_glob_reexports /// * unreachable_pub - /// * unused_imports + /// * unused + /// * unused_braces + /// * unused_import_braces + /// * clippy::disallowed_types /// * clippy::enum_glob_use /// * clippy::macro_use_imports + /// * clippy::module_name_repetitions + /// * clippy::redundant_pub_crate + /// * clippy::single_component_path_imports + /// * clippy::unsafe_removed_from_name /// * clippy::wildcard_imports /// /// For `extern crate` items these lints are: diff --git a/clippy_lints/src/attrs/useless_attribute.rs b/clippy_lints/src/attrs/useless_attribute.rs index 7575f502a7c2..f0868231d01a 100644 --- a/clippy_lints/src/attrs/useless_attribute.rs +++ b/clippy_lints/src/attrs/useless_attribute.rs @@ -2,6 +2,7 @@ use super::utils::{extract_clippy_lint, is_lint_level, is_word}; use super::{Attribute, USELESS_ATTRIBUTE}; use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::source::{first_line_of_span, snippet_opt}; +use rustc_ast::NestedMetaItem; use rustc_errors::Applicability; use rustc_hir::{Item, ItemKind}; use rustc_lint::{LateContext, LintContext}; @@ -20,26 +21,40 @@ pub(super) fn check(cx: &LateContext<'_>, item: &Item<'_>, attrs: &[Attribute]) for lint in lint_list { match item.kind { ItemKind::Use(..) => { - if is_word(lint, sym::unused_imports) - || is_word(lint, sym::deprecated) - || is_word(lint, sym!(unreachable_pub)) - || is_word(lint, sym!(unused)) - || is_word(lint, sym!(unused_import_braces)) - || extract_clippy_lint(lint).map_or(false, |s| { - matches!( - s.as_str(), - "wildcard_imports" - | "enum_glob_use" - | "redundant_pub_crate" - | "macro_use_imports" - | "unsafe_removed_from_name" - | "module_name_repetitions" - | "single_component_path_imports" - ) - }) + if let NestedMetaItem::MetaItem(meta_item) = lint + && meta_item.is_word() + && let Some(ident) = meta_item.ident() + && matches!( + ident.name.as_str(), + "ambiguous_glob_reexports" + | "dead_code" + | "deprecated" + | "hidden_glob_reexports" + | "unreachable_pub" + | "unused" + | "unused_braces" + | "unused_import_braces" + | "unused_imports" + ) { return; } + + if extract_clippy_lint(lint).is_some_and(|symbol| { + matches!( + symbol.as_str(), + "wildcard_imports" + | "enum_glob_use" + | "redundant_pub_crate" + | "macro_use_imports" + | "unsafe_removed_from_name" + | "module_name_repetitions" + | "single_component_path_imports" + | "disallowed_types" + ) + }) { + return; + } }, ItemKind::ExternCrate(..) => { if is_word(lint, sym::unused_imports) && skip_unused_imports { diff --git a/clippy_lints/src/cargo/lint_groups_priority.rs b/clippy_lints/src/cargo/lint_groups_priority.rs index a3291c9da109..0d9eaac882f7 100644 --- a/clippy_lints/src/cargo/lint_groups_priority.rs +++ b/clippy_lints/src/cargo/lint_groups_priority.rs @@ -49,7 +49,7 @@ impl LintConfig { type LintTable = BTreeMap, Spanned>; -#[derive(Deserialize, Debug)] +#[derive(Deserialize, Debug, Default)] struct Lints { #[serde(default)] rust: LintTable, @@ -57,9 +57,18 @@ struct Lints { clippy: LintTable, } +#[derive(Deserialize, Debug, Default)] +struct Workspace { + #[serde(default)] + lints: Lints, +} + #[derive(Deserialize, Debug)] struct CargoToml { + #[serde(default)] lints: Lints, + #[serde(default)] + workspace: Workspace, } #[derive(Default, Debug)] @@ -164,5 +173,7 @@ pub fn check(cx: &LateContext<'_>) { check_table(cx, cargo_toml.lints.rust, &rustc_groups, &file); check_table(cx, cargo_toml.lints.clippy, &clippy_groups, &file); + check_table(cx, cargo_toml.workspace.lints.rust, &rustc_groups, &file); + check_table(cx, cargo_toml.workspace.lints.clippy, &clippy_groups, &file); } } diff --git a/clippy_lints/src/casts/cast_sign_loss.rs b/clippy_lints/src/casts/cast_sign_loss.rs index 2b6e17dc1030..864489ee3fcd 100644 --- a/clippy_lints/src/casts/cast_sign_loss.rs +++ b/clippy_lints/src/casts/cast_sign_loss.rs @@ -255,8 +255,10 @@ fn expr_add_sign(cx: &LateContext<'_>, expr: &Expr<'_>) -> Sign { /// Peels binary operators such as [`BinOpKind::Mul`], [`BinOpKind::Div`] or [`BinOpKind::Rem`], /// where the result depends on: +/// /// - the number of negative values in the entire expression, or /// - the number of negative values on the left hand side of the expression. +/// /// Ignores overflow. /// /// @@ -303,8 +305,10 @@ fn exprs_with_muldiv_binop_peeled<'e>(expr: &'e Expr<'_>) -> Vec<&'e Expr<'e>> { } /// Peels binary operators such as [`BinOpKind::Add`], where the result depends on: +/// /// - all the expressions being positive, or /// - all the expressions being negative. +/// /// Ignores overflow. /// /// Expressions using other operators are preserved, so we can try to evaluate them later. diff --git a/clippy_lints/src/declared_lints.rs b/clippy_lints/src/declared_lints.rs index 5ff7d8e51343..df2ef465700d 100644 --- a/clippy_lints/src/declared_lints.rs +++ b/clippy_lints/src/declared_lints.rs @@ -140,6 +140,7 @@ pub(crate) static LINTS: &[&crate::LintInfo] = &[ crate::disallowed_names::DISALLOWED_NAMES_INFO, crate::disallowed_script_idents::DISALLOWED_SCRIPT_IDENTS_INFO, crate::disallowed_types::DISALLOWED_TYPES_INFO, + crate::doc::DOC_LAZY_CONTINUATION_INFO, crate::doc::DOC_LINK_WITH_QUOTES_INFO, crate::doc::DOC_MARKDOWN_INFO, crate::doc::EMPTY_DOCS_INFO, @@ -205,6 +206,7 @@ pub(crate) static LINTS: &[&crate::LintInfo] = &[ crate::functions::MUST_USE_CANDIDATE_INFO, crate::functions::MUST_USE_UNIT_INFO, crate::functions::NOT_UNSAFE_PTR_ARG_DEREF_INFO, + crate::functions::RENAMED_FUNCTION_PARAMS_INFO, crate::functions::RESULT_LARGE_ERR_INFO, crate::functions::RESULT_UNIT_ERR_INFO, crate::functions::TOO_MANY_ARGUMENTS_INFO, @@ -291,9 +293,11 @@ pub(crate) static LINTS: &[&crate::LintInfo] = &[ crate::loops::SAME_ITEM_PUSH_INFO, crate::loops::SINGLE_ELEMENT_LOOP_INFO, crate::loops::UNUSED_ENUMERATE_INDEX_INFO, + crate::loops::WHILE_FLOAT_INFO, crate::loops::WHILE_IMMUTABLE_CONDITION_INFO, crate::loops::WHILE_LET_LOOP_INFO, crate::loops::WHILE_LET_ON_ITERATOR_INFO, + crate::macro_metavars_in_unsafe::MACRO_METAVARS_IN_UNSAFE_INFO, crate::macro_use::MACRO_USE_IMPORTS_INFO, crate::main_recursion::MAIN_RECURSION_INFO, crate::manual_assert::MANUAL_ASSERT_INFO, diff --git a/clippy_lints/src/doc/lazy_continuation.rs b/clippy_lints/src/doc/lazy_continuation.rs new file mode 100644 index 000000000000..38bc58a55019 --- /dev/null +++ b/clippy_lints/src/doc/lazy_continuation.rs @@ -0,0 +1,95 @@ +use clippy_utils::diagnostics::span_lint_and_then; +use itertools::Itertools; +use rustc_errors::{Applicability, SuggestionStyle}; +use rustc_lint::LateContext; +use rustc_span::{BytePos, Span}; +use std::ops::Range; + +use super::DOC_LAZY_CONTINUATION; + +fn map_container_to_text(c: &super::Container) -> &'static str { + match c { + super::Container::Blockquote => "> ", + // numbered list can have up to nine digits, plus the dot, plus four spaces on either side + super::Container::List(indent) => &" "[0..*indent], + } +} + +// TODO: Adjust the parameters as necessary +pub(super) fn check( + cx: &LateContext<'_>, + doc: &str, + range: Range, + mut span: Span, + containers: &[super::Container], +) { + if doc[range.clone()].contains('\t') { + // We don't do tab stops correctly. + return; + } + + let ccount = doc[range.clone()].chars().filter(|c| *c == '>').count(); + let blockquote_level = containers + .iter() + .filter(|c| matches!(c, super::Container::Blockquote)) + .count(); + let lcount = doc[range.clone()].chars().filter(|c| *c == ' ').count(); + let list_indentation = containers + .iter() + .map(|c| { + if let super::Container::List(indent) = c { + *indent + } else { + 0 + } + }) + .sum(); + if ccount < blockquote_level || lcount < list_indentation { + let msg = if ccount < blockquote_level { + "doc quote missing `>` marker" + } else { + "doc list item missing indentation" + }; + span_lint_and_then(cx, DOC_LAZY_CONTINUATION, span, msg, |diag| { + if ccount == 0 && blockquote_level == 0 { + // simpler suggestion style for indentation + let indent = list_indentation - lcount; + diag.span_suggestion_with_style( + span.shrink_to_hi(), + "indent this line", + std::iter::repeat(" ").take(indent).join(""), + Applicability::MaybeIncorrect, + SuggestionStyle::ShowAlways, + ); + diag.help("if this is supposed to be its own paragraph, add a blank line"); + return; + } + let mut doc_start_range = &doc[range]; + let mut suggested = String::new(); + for c in containers { + let text = map_container_to_text(c); + if doc_start_range.starts_with(text) { + doc_start_range = &doc_start_range[text.len()..]; + span = span + .with_lo(span.lo() + BytePos(u32::try_from(text.len()).expect("text is not 2**32 or bigger"))); + } else if matches!(c, super::Container::Blockquote) + && let Some(i) = doc_start_range.find('>') + { + doc_start_range = &doc_start_range[i + 1..]; + span = + span.with_lo(span.lo() + BytePos(u32::try_from(i).expect("text is not 2**32 or bigger") + 1)); + } else { + suggested.push_str(text); + } + } + diag.span_suggestion_with_style( + span, + "add markers to start of line", + suggested, + Applicability::MachineApplicable, + SuggestionStyle::ShowAlways, + ); + diag.help("if this not intended to be a quote at all, escape it with `\\>`"); + }); + } +} diff --git a/clippy_lints/src/doc/missing_headers.rs b/clippy_lints/src/doc/missing_headers.rs index 36ba19698c72..010fab803d99 100644 --- a/clippy_lints/src/doc/missing_headers.rs +++ b/clippy_lints/src/doc/missing_headers.rs @@ -1,3 +1,4 @@ +use super::{DocHeaders, MISSING_ERRORS_DOC, MISSING_PANICS_DOC, MISSING_SAFETY_DOC, UNNECESSARY_SAFETY_DOC}; use clippy_utils::diagnostics::{span_lint, span_lint_and_note}; use clippy_utils::ty::{implements_trait, is_type_diagnostic_item}; use clippy_utils::{is_doc_hidden, return_ty}; @@ -6,15 +7,13 @@ use rustc_lint::LateContext; use rustc_middle::ty; use rustc_span::{sym, Span}; -use super::{DocHeaders, MISSING_ERRORS_DOC, MISSING_PANICS_DOC, MISSING_SAFETY_DOC, UNNECESSARY_SAFETY_DOC}; - pub fn check( cx: &LateContext<'_>, owner_id: OwnerId, sig: FnSig<'_>, headers: DocHeaders, body_id: Option, - panic_span: Option, + panic_info: Option<(Span, bool)>, check_private_items: bool, ) { if !check_private_items && !cx.effective_visibilities.is_exported(owner_id.def_id) { @@ -48,13 +47,13 @@ pub fn check( ), _ => (), } - if !headers.panics && panic_span.is_some() { + if !headers.panics && panic_info.map_or(false, |el| !el.1) { span_lint_and_note( cx, MISSING_PANICS_DOC, span, "docs for function which may panic missing `# Panics` section", - panic_span, + panic_info.map(|el| el.0), "first possible panic found here", ); } diff --git a/clippy_lints/src/doc/mod.rs b/clippy_lints/src/doc/mod.rs index 7fdb582e6403..9f08973948a3 100644 --- a/clippy_lints/src/doc/mod.rs +++ b/clippy_lints/src/doc/mod.rs @@ -1,13 +1,14 @@ +mod lazy_continuation; use clippy_utils::attrs::is_doc_hidden; use clippy_utils::diagnostics::{span_lint, span_lint_and_help}; use clippy_utils::macros::{is_panic, root_macro_call_first_node}; use clippy_utils::ty::is_type_diagnostic_item; use clippy_utils::visitors::Visitable; -use clippy_utils::{is_entrypoint_fn, is_trait_impl_item, method_chain_args}; +use clippy_utils::{in_constant, is_entrypoint_fn, is_trait_impl_item, method_chain_args}; use pulldown_cmark::Event::{ Code, End, FootnoteReference, HardBreak, Html, Rule, SoftBreak, Start, TaskListMarker, Text, }; -use pulldown_cmark::Tag::{BlockQuote, CodeBlock, Heading, Item, Link, Paragraph}; +use pulldown_cmark::Tag::{BlockQuote, CodeBlock, FootnoteDefinition, Heading, Item, Link, Paragraph}; use pulldown_cmark::{BrokenLink, CodeBlockKind, CowStr, Options}; use rustc_ast::ast::Attribute; use rustc_data_structures::fx::FxHashSet; @@ -362,6 +363,63 @@ declare_clippy_lint! { "docstrings exist but documentation is empty" } +declare_clippy_lint! { + /// ### What it does + /// + /// In CommonMark Markdown, the language used to write doc comments, a + /// paragraph nested within a list or block quote does not need any line + /// after the first one to be indented or marked. The specification calls + /// this a "lazy paragraph continuation." + /// + /// ### Why is this bad? + /// + /// This is easy to write but hard to read. Lazy continuations makes + /// unintended markers hard to see, and make it harder to deduce the + /// document's intended structure. + /// + /// ### Example + /// + /// This table is probably intended to have two rows, + /// but it does not. It has zero rows, and is followed by + /// a block quote. + /// ```no_run + /// /// Range | Description + /// /// ----- | ----------- + /// /// >= 1 | fully opaque + /// /// < 1 | partially see-through + /// fn set_opacity(opacity: f32) {} + /// ``` + /// + /// Fix it by escaping the marker: + /// ```no_run + /// /// Range | Description + /// /// ----- | ----------- + /// /// \>= 1 | fully opaque + /// /// < 1 | partially see-through + /// fn set_opacity(opacity: f32) {} + /// ``` + /// + /// This example is actually intended to be a list: + /// ```no_run + /// /// * Do nothing. + /// /// * Then do something. Whatever it is needs done, + /// /// it should be done right now. + /// # fn do_stuff() {} + /// ``` + /// + /// Fix it by indenting the list contents: + /// ```no_run + /// /// * Do nothing. + /// /// * Then do something. Whatever it is needs done, + /// /// it should be done right now. + /// # fn do_stuff() {} + /// ``` + #[clippy::version = "1.80.0"] + pub DOC_LAZY_CONTINUATION, + style, + "require every line of a paragraph to be indented and marked" +} + #[derive(Clone)] pub struct Documentation { valid_idents: FxHashSet, @@ -388,6 +446,7 @@ impl_lint_pass!(Documentation => [ UNNECESSARY_SAFETY_DOC, SUSPICIOUS_DOC_COMMENTS, EMPTY_DOCS, + DOC_LAZY_CONTINUATION, ]); impl<'tcx> LateLintPass<'tcx> for Documentation { @@ -402,14 +461,14 @@ impl<'tcx> LateLintPass<'tcx> for Documentation { if !(is_entrypoint_fn(cx, item.owner_id.to_def_id()) || in_external_macro(cx.tcx.sess, item.span)) { let body = cx.tcx.hir().body(body_id); - let panic_span = FindPanicUnwrap::find_span(cx, cx.tcx.typeck(item.owner_id), body.value); + let panic_info = FindPanicUnwrap::find_span(cx, cx.tcx.typeck(item.owner_id), body.value); missing_headers::check( cx, item.owner_id, sig, headers, Some(body_id), - panic_span, + panic_info, self.check_private_items, ); } @@ -551,6 +610,7 @@ fn check_attrs(cx: &LateContext<'_>, valid_idents: &FxHashSet, attrs: &[ cx, valid_idents, parser.into_offset_iter(), + &doc, Fragments { fragments: &fragments, doc: &doc, @@ -560,6 +620,11 @@ fn check_attrs(cx: &LateContext<'_>, valid_idents: &FxHashSet, attrs: &[ const RUST_CODE: &[&str] = &["rust", "no_run", "should_panic", "compile_fail"]; +enum Container { + Blockquote, + List(usize), +} + /// Checks parsed documentation. /// This walks the "events" (think sections of markdown) produced by `pulldown_cmark`, /// so lints here will generally access that information. @@ -569,6 +634,7 @@ fn check_doc<'a, Events: Iterator, Range, valid_idents: &FxHashSet, events: Events, + doc: &str, fragments: Fragments<'_>, ) -> DocHeaders { // true if a safety header was found @@ -576,6 +642,7 @@ fn check_doc<'a, Events: Iterator, Range, Range { if tag.starts_with(", Range blockquote_level += 1, - End(BlockQuote) => blockquote_level -= 1, + Start(BlockQuote) => { + blockquote_level += 1; + containers.push(Container::Blockquote); + }, + End(BlockQuote) => { + blockquote_level -= 1; + containers.pop(); + }, Start(CodeBlock(ref kind)) => { in_code = true; if let CodeBlockKind::Fenced(lang) = kind { @@ -633,6 +710,13 @@ fn check_doc<'a, Events: Iterator, Range, Range, Range in_footnote_definition = true, + End(FootnoteDefinition(..)) => in_footnote_definition = false, Start(_tag) | End(_tag) => (), // We don't care about other tags - SoftBreak | HardBreak | TaskListMarker(_) | Code(_) | Rule => (), + SoftBreak | HardBreak => { + if !containers.is_empty() + && let Some((next_event, next_range)) = events.peek() + && let Some(next_span) = fragments.span(cx, next_range.clone()) + && let Some(span) = fragments.span(cx, range.clone()) + && !in_footnote_definition + && !matches!(next_event, End(_)) + { + lazy_continuation::check( + cx, + doc, + range.end..next_range.start, + Span::new(span.hi(), next_span.lo(), span.ctxt(), span.parent()), + &containers[..], + ); + } + }, + TaskListMarker(_) | Code(_) | Rule => (), FootnoteReference(text) | Text(text) => { paragraph_range.end = range.end; ticks_unbalanced |= text.contains('`') && !in_code; @@ -701,6 +807,7 @@ fn check_doc<'a, Events: Iterator, Range { cx: &'a LateContext<'tcx>, + is_const: bool, panic_span: Option, typeck_results: &'tcx ty::TypeckResults<'tcx>, } @@ -710,14 +817,15 @@ impl<'a, 'tcx> FindPanicUnwrap<'a, 'tcx> { cx: &'a LateContext<'tcx>, typeck_results: &'tcx ty::TypeckResults<'tcx>, body: impl Visitable<'tcx>, - ) -> Option { + ) -> Option<(Span, bool)> { let mut vis = Self { cx, + is_const: false, panic_span: None, typeck_results, }; body.visit(&mut vis); - vis.panic_span + vis.panic_span.map(|el| (el, vis.is_const)) } } @@ -736,6 +844,7 @@ impl<'a, 'tcx> Visitor<'tcx> for FindPanicUnwrap<'a, 'tcx> { "assert" | "assert_eq" | "assert_ne" ) { + self.is_const = in_constant(self.cx, expr.hir_id); self.panic_span = Some(macro_call.span); } } diff --git a/clippy_lints/src/escape.rs b/clippy_lints/src/escape.rs index 6715de52649d..8d6e27700d8d 100644 --- a/clippy_lints/src/escape.rs +++ b/clippy_lints/src/escape.rs @@ -104,7 +104,9 @@ impl<'tcx> LateLintPass<'tcx> for BoxedLocal { too_large_for_stack: self.too_large_for_stack, }; - ExprUseVisitor::for_clippy(cx, fn_def_id, &mut v).consume_body(body).into_ok(); + ExprUseVisitor::for_clippy(cx, fn_def_id, &mut v) + .consume_body(body) + .into_ok(); for node in v.set { span_lint_hir( diff --git a/clippy_lints/src/explicit_write.rs b/clippy_lints/src/explicit_write.rs index 724e1843359b..3c4a043a732b 100644 --- a/clippy_lints/src/explicit_write.rs +++ b/clippy_lints/src/explicit_write.rs @@ -1,12 +1,12 @@ use clippy_utils::diagnostics::span_lint_and_sugg; -use clippy_utils::macros::{find_format_args, format_args_inputs_span}; +use clippy_utils::macros::{format_args_inputs_span, FormatArgsStorage}; use clippy_utils::source::snippet_with_applicability; use clippy_utils::{is_expn_of, path_def_id}; use rustc_errors::Applicability; use rustc_hir::def::Res; use rustc_hir::{BindingMode, Block, BlockCheckMode, Expr, ExprKind, Node, PatKind, QPath, Stmt, StmtKind}; use rustc_lint::{LateContext, LateLintPass}; -use rustc_session::declare_lint_pass; +use rustc_session::impl_lint_pass; use rustc_span::{sym, ExpnId}; declare_clippy_lint! { @@ -38,7 +38,17 @@ declare_clippy_lint! { "using the `write!()` family of functions instead of the `print!()` family of functions, when using the latter would work" } -declare_lint_pass!(ExplicitWrite => [EXPLICIT_WRITE]); +pub struct ExplicitWrite { + format_args: FormatArgsStorage, +} + +impl ExplicitWrite { + pub fn new(format_args: FormatArgsStorage) -> Self { + Self { format_args } + } +} + +impl_lint_pass!(ExplicitWrite => [EXPLICIT_WRITE]); impl<'tcx> LateLintPass<'tcx> for ExplicitWrite { fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { @@ -57,7 +67,7 @@ impl<'tcx> LateLintPass<'tcx> for ExplicitWrite { Some(sym::io_stderr) => ("stderr", "e"), _ => return, }; - let Some(format_args) = find_format_args(cx, write_arg, ExpnId::root()) else { + let Some(format_args) = self.format_args.get(cx, write_arg, ExpnId::root()) else { return; }; @@ -83,7 +93,7 @@ impl<'tcx> LateLintPass<'tcx> for ExplicitWrite { }; let mut applicability = Applicability::MachineApplicable; let inputs_snippet = - snippet_with_applicability(cx, format_args_inputs_span(&format_args), "..", &mut applicability); + snippet_with_applicability(cx, format_args_inputs_span(format_args), "..", &mut applicability); span_lint_and_sugg( cx, EXPLICIT_WRITE, diff --git a/clippy_lints/src/format.rs b/clippy_lints/src/format.rs index 8a0cd155d211..0b248f784b76 100644 --- a/clippy_lints/src/format.rs +++ b/clippy_lints/src/format.rs @@ -1,5 +1,5 @@ use clippy_utils::diagnostics::span_lint_and_sugg; -use clippy_utils::macros::{find_format_arg_expr, find_format_args, root_macro_call_first_node}; +use clippy_utils::macros::{find_format_arg_expr, root_macro_call_first_node, FormatArgsStorage}; use clippy_utils::source::{snippet_opt, snippet_with_context}; use clippy_utils::sugg::Sugg; use rustc_ast::{FormatArgsPiece, FormatOptions, FormatTrait}; @@ -7,7 +7,7 @@ use rustc_errors::Applicability; use rustc_hir::{Expr, ExprKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty; -use rustc_session::declare_lint_pass; +use rustc_session::impl_lint_pass; use rustc_span::{sym, Span}; declare_clippy_lint! { @@ -39,13 +39,24 @@ declare_clippy_lint! { "useless use of `format!`" } -declare_lint_pass!(UselessFormat => [USELESS_FORMAT]); +#[allow(clippy::module_name_repetitions)] +pub struct UselessFormat { + format_args: FormatArgsStorage, +} + +impl UselessFormat { + pub fn new(format_args: FormatArgsStorage) -> Self { + Self { format_args } + } +} + +impl_lint_pass!(UselessFormat => [USELESS_FORMAT]); impl<'tcx> LateLintPass<'tcx> for UselessFormat { fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { if let Some(macro_call) = root_macro_call_first_node(cx, expr) && cx.tcx.is_diagnostic_item(sym::format_macro, macro_call.def_id) - && let Some(format_args) = find_format_args(cx, expr, macro_call.expn) + && let Some(format_args) = self.format_args.get(cx, expr, macro_call.expn) { let mut applicability = Applicability::MachineApplicable; let call_site = macro_call.span; diff --git a/clippy_lints/src/format_args.rs b/clippy_lints/src/format_args.rs index 003a9995c15f..86115807aa4d 100644 --- a/clippy_lints/src/format_args.rs +++ b/clippy_lints/src/format_args.rs @@ -3,8 +3,8 @@ use clippy_config::msrvs::{self, Msrv}; use clippy_utils::diagnostics::{span_lint_and_sugg, span_lint_and_then}; use clippy_utils::is_diag_trait_item; use clippy_utils::macros::{ - find_format_arg_expr, find_format_args, format_arg_removal_span, format_placeholder_format_span, is_assert_macro, - is_format_macro, is_panic, matching_root_macro_call, root_macro_call_first_node, FormatParamUsage, MacroCall, + find_format_arg_expr, format_arg_removal_span, format_placeholder_format_span, is_assert_macro, is_format_macro, + is_panic, matching_root_macro_call, root_macro_call_first_node, FormatArgsStorage, FormatParamUsage, MacroCall, }; use clippy_utils::source::snippet_opt; use clippy_utils::ty::{implements_trait, is_type_lang_item}; @@ -167,15 +167,18 @@ impl_lint_pass!(FormatArgs => [ UNUSED_FORMAT_SPECS, ]); +#[allow(clippy::struct_field_names)] pub struct FormatArgs { + format_args: FormatArgsStorage, msrv: Msrv, ignore_mixed: bool, } impl FormatArgs { #[must_use] - pub fn new(msrv: Msrv, allow_mixed_uninlined_format_args: bool) -> Self { + pub fn new(format_args: FormatArgsStorage, msrv: Msrv, allow_mixed_uninlined_format_args: bool) -> Self { Self { + format_args, msrv, ignore_mixed: allow_mixed_uninlined_format_args, } @@ -186,13 +189,13 @@ impl<'tcx> LateLintPass<'tcx> for FormatArgs { fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) { if let Some(macro_call) = root_macro_call_first_node(cx, expr) && is_format_macro(cx, macro_call.def_id) - && let Some(format_args) = find_format_args(cx, expr, macro_call.expn) + && let Some(format_args) = self.format_args.get(cx, expr, macro_call.expn) { let linter = FormatArgsExpr { cx, expr, macro_call: ¯o_call, - format_args: &format_args, + format_args, ignore_mixed: self.ignore_mixed, }; diff --git a/clippy_lints/src/format_impl.rs b/clippy_lints/src/format_impl.rs index 0a52347940ab..09be7237b5ca 100644 --- a/clippy_lints/src/format_impl.rs +++ b/clippy_lints/src/format_impl.rs @@ -1,5 +1,5 @@ use clippy_utils::diagnostics::{span_lint, span_lint_and_sugg}; -use clippy_utils::macros::{find_format_arg_expr, find_format_args, is_format_macro, root_macro_call_first_node}; +use clippy_utils::macros::{find_format_arg_expr, is_format_macro, root_macro_call_first_node, FormatArgsStorage}; use clippy_utils::{get_parent_as_impl, is_diag_trait_item, path_to_local, peel_ref_operators}; use rustc_ast::{FormatArgsPiece, FormatTrait}; use rustc_errors::Applicability; @@ -99,13 +99,15 @@ struct FormatTraitNames { #[derive(Default)] pub struct FormatImpl { + format_args: FormatArgsStorage, // Whether we are inside Display or Debug trait impl - None for neither format_trait_impl: Option, } impl FormatImpl { - pub fn new() -> Self { + pub fn new(format_args: FormatArgsStorage) -> Self { Self { + format_args, format_trait_impl: None, } } @@ -129,6 +131,7 @@ impl<'tcx> LateLintPass<'tcx> for FormatImpl { if let Some(format_trait_impl) = self.format_trait_impl { let linter = FormatImplExpr { cx, + format_args: &self.format_args, expr, format_trait_impl, }; @@ -141,6 +144,7 @@ impl<'tcx> LateLintPass<'tcx> for FormatImpl { struct FormatImplExpr<'a, 'tcx> { cx: &'a LateContext<'tcx>, + format_args: &'a FormatArgsStorage, expr: &'tcx Expr<'tcx>, format_trait_impl: FormatTraitNames, } @@ -175,7 +179,7 @@ impl<'a, 'tcx> FormatImplExpr<'a, 'tcx> { if let Some(outer_macro) = root_macro_call_first_node(self.cx, self.expr) && let macro_def_id = outer_macro.def_id && is_format_macro(self.cx, macro_def_id) - && let Some(format_args) = find_format_args(self.cx, self.expr, outer_macro.expn) + && let Some(format_args) = self.format_args.get(self.cx, self.expr, outer_macro.expn) { for piece in &format_args.template { if let FormatArgsPiece::Placeholder(placeholder) = piece diff --git a/clippy_lints/src/from_str_radix_10.rs b/clippy_lints/src/from_str_radix_10.rs index 633ed96d6a6d..82ce501bac59 100644 --- a/clippy_lints/src/from_str_radix_10.rs +++ b/clippy_lints/src/from_str_radix_10.rs @@ -1,7 +1,7 @@ use clippy_utils::diagnostics::span_lint_and_sugg; -use clippy_utils::is_integer_literal; use clippy_utils::sugg::Sugg; use clippy_utils::ty::{is_type_diagnostic_item, is_type_lang_item}; +use clippy_utils::{in_constant, is_integer_literal}; use rustc_errors::Applicability; use rustc_hir::{def, Expr, ExprKind, LangItem, PrimTy, QPath, TyKind}; use rustc_lint::{LateContext, LateLintPass}; @@ -47,6 +47,9 @@ impl<'tcx> LateLintPass<'tcx> for FromStrRadix10 { fn check_expr(&mut self, cx: &LateContext<'tcx>, exp: &Expr<'tcx>) { if let ExprKind::Call(maybe_path, [src, radix]) = &exp.kind && let ExprKind::Path(QPath::TypeRelative(ty, pathseg)) = &maybe_path.kind + // do not lint in constant context, because the suggestion won't work. + // NB: keep this check until a new `const_trait_impl` is available and stablized. + && !in_constant(cx, exp.hir_id) // check if the first part of the path is some integer primitive && let TyKind::Path(ty_qpath) = &ty.kind diff --git a/clippy_lints/src/functions/mod.rs b/clippy_lints/src/functions/mod.rs index 9cc51fa8cd5d..dfcaac9abefc 100644 --- a/clippy_lints/src/functions/mod.rs +++ b/clippy_lints/src/functions/mod.rs @@ -2,15 +2,17 @@ mod impl_trait_in_params; mod misnamed_getters; mod must_use; mod not_unsafe_ptr_arg_deref; +mod renamed_function_params; mod result; mod too_many_arguments; mod too_many_lines; +use clippy_utils::def_path_def_ids; use rustc_hir as hir; use rustc_hir::intravisit; use rustc_lint::{LateContext, LateLintPass}; use rustc_session::impl_lint_pass; -use rustc_span::def_id::LocalDefId; +use rustc_span::def_id::{DefIdSet, LocalDefId}; use rustc_span::Span; declare_clippy_lint! { @@ -359,13 +361,51 @@ declare_clippy_lint! { "`impl Trait` is used in the function's parameters" } -#[derive(Copy, Clone)] -#[allow(clippy::struct_field_names)] +declare_clippy_lint! { + /// ### What it does + /// Lints when the name of function parameters from trait impl is + /// different than its default implementation. + /// + /// ### Why is this bad? + /// Using the default name for parameters of a trait method is often + /// more desirable for consistency's sake. + /// + /// ### Example + /// ```rust + /// struct A(u32); + /// + /// impl PartialEq for A { + /// fn eq(&self, b: &Self) -> bool { + /// self.0 == b.0 + /// } + /// } + /// ``` + /// Use instead: + /// ```rust + /// struct A(u32); + /// + /// impl PartialEq for A { + /// fn eq(&self, other: &Self) -> bool { + /// self.0 == other.0 + /// } + /// } + /// ``` + #[clippy::version = "1.74.0"] + pub RENAMED_FUNCTION_PARAMS, + restriction, + "renamed function parameters in trait implementation" +} + +#[derive(Clone)] pub struct Functions { too_many_arguments_threshold: u64, too_many_lines_threshold: u64, large_error_threshold: u64, avoid_breaking_exported_api: bool, + allow_renamed_params_for: Vec, + /// A set of resolved `def_id` of traits that are configured to allow + /// function params renaming. + trait_ids: DefIdSet, } impl Functions { @@ -374,12 +414,15 @@ impl Functions { too_many_lines_threshold: u64, large_error_threshold: u64, avoid_breaking_exported_api: bool, + allow_renamed_params_for: Vec, ) -> Self { Self { too_many_arguments_threshold, too_many_lines_threshold, large_error_threshold, avoid_breaking_exported_api, + allow_renamed_params_for, + trait_ids: DefIdSet::default(), } } } @@ -395,6 +438,7 @@ impl_lint_pass!(Functions => [ RESULT_LARGE_ERR, MISNAMED_GETTERS, IMPL_TRAIT_IN_PARAMS, + RENAMED_FUNCTION_PARAMS, ]); impl<'tcx> LateLintPass<'tcx> for Functions { @@ -424,6 +468,7 @@ impl<'tcx> LateLintPass<'tcx> for Functions { must_use::check_impl_item(cx, item); result::check_impl_item(cx, item, self.large_error_threshold); impl_trait_in_params::check_impl_item(cx, item); + renamed_function_params::check_impl_item(cx, item, &self.trait_ids); } fn check_trait_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx hir::TraitItem<'_>) { @@ -433,4 +478,12 @@ impl<'tcx> LateLintPass<'tcx> for Functions { result::check_trait_item(cx, item, self.large_error_threshold); impl_trait_in_params::check_trait_item(cx, item, self.avoid_breaking_exported_api); } + + fn check_crate(&mut self, cx: &LateContext<'tcx>) { + for path in &self.allow_renamed_params_for { + let path_segments: Vec<&str> = path.split("::").collect(); + let ids = def_path_def_ids(cx, &path_segments); + self.trait_ids.extend(ids); + } + } } diff --git a/clippy_lints/src/functions/renamed_function_params.rs b/clippy_lints/src/functions/renamed_function_params.rs new file mode 100644 index 000000000000..c7de0385c021 --- /dev/null +++ b/clippy_lints/src/functions/renamed_function_params.rs @@ -0,0 +1,110 @@ +use clippy_utils::diagnostics::span_lint_and_then; +use rustc_errors::{Applicability, MultiSpan}; +use rustc_hir::def_id::{DefId, DefIdSet}; +use rustc_hir::hir_id::OwnerId; +use rustc_hir::{Impl, ImplItem, ImplItemKind, ImplItemRef, ItemKind, Node, TraitRef}; +use rustc_lint::LateContext; +use rustc_span::symbol::{kw, Ident, Symbol}; +use rustc_span::Span; + +use super::RENAMED_FUNCTION_PARAMS; + +pub(super) fn check_impl_item(cx: &LateContext<'_>, item: &ImplItem<'_>, ignored_traits: &DefIdSet) { + if !item.span.from_expansion() + && let ImplItemKind::Fn(_, body_id) = item.kind + && let parent_node = cx.tcx.parent_hir_node(item.hir_id()) + && let Node::Item(parent_item) = parent_node + && let ItemKind::Impl(Impl { + items, + of_trait: Some(trait_ref), + .. + }) = &parent_item.kind + && let Some(did) = trait_item_def_id_of_impl(items, item.owner_id) + && !is_from_ignored_trait(trait_ref, ignored_traits) + { + let mut param_idents_iter = cx.tcx.hir().body_param_names(body_id); + let mut default_param_idents_iter = cx.tcx.fn_arg_names(did).iter().copied(); + + let renames = RenamedFnArgs::new(&mut default_param_idents_iter, &mut param_idents_iter); + if !renames.0.is_empty() { + let multi_span = renames.multi_span(); + let plural = if renames.0.len() == 1 { "" } else { "s" }; + span_lint_and_then( + cx, + RENAMED_FUNCTION_PARAMS, + multi_span, + format!("renamed function parameter{plural} of trait impl"), + |diag| { + diag.multipart_suggestion( + format!("consider using the default name{plural}"), + renames.0, + Applicability::Unspecified, + ); + }, + ); + } + } +} + +struct RenamedFnArgs(Vec<(Span, String)>); + +impl RenamedFnArgs { + /// Comparing between an iterator of default names and one with current names, + /// then collect the ones that got renamed. + fn new(default_names: &mut I, current_names: &mut T) -> Self + where + I: Iterator, + T: Iterator, + { + let mut renamed: Vec<(Span, String)> = vec![]; + + debug_assert!(default_names.size_hint() == current_names.size_hint()); + while let (Some(def_name), Some(cur_name)) = (default_names.next(), current_names.next()) { + let current_name = cur_name.name; + let default_name = def_name.name; + if is_unused_or_empty_symbol(current_name) || is_unused_or_empty_symbol(default_name) { + continue; + } + if current_name != default_name { + renamed.push((cur_name.span, default_name.to_string())); + } + } + + Self(renamed) + } + + fn multi_span(&self) -> MultiSpan { + self.0 + .iter() + .map(|(span, _)| span) + .copied() + .collect::>() + .into() + } +} + +fn is_unused_or_empty_symbol(symbol: Symbol) -> bool { + // FIXME: `body_param_names` currently returning empty symbols for `wild` as well, + // so we need to check if the symbol is empty first. + // Therefore the check of whether it's equal to [`kw::Underscore`] has no use for now, + // but it would be nice to keep it here just to be future-proof. + symbol.is_empty() || symbol == kw::Underscore || symbol.as_str().starts_with('_') +} + +/// Get the [`trait_item_def_id`](ImplItemRef::trait_item_def_id) of a relevant impl item. +fn trait_item_def_id_of_impl(items: &[ImplItemRef], target: OwnerId) -> Option { + items.iter().find_map(|item| { + if item.id.owner_id == target { + item.trait_item_def_id + } else { + None + } + }) +} + +fn is_from_ignored_trait(of_trait: &TraitRef<'_>, ignored_traits: &DefIdSet) -> bool { + let Some(trait_did) = of_trait.trait_def_id() else { + return false; + }; + ignored_traits.contains(&trait_did) +} diff --git a/clippy_lints/src/future_not_send.rs b/clippy_lints/src/future_not_send.rs index 2c2daac02349..192fb611c2d4 100644 --- a/clippy_lints/src/future_not_send.rs +++ b/clippy_lints/src/future_not_send.rs @@ -4,8 +4,8 @@ use rustc_hir::intravisit::FnKind; use rustc_hir::{Body, FnDecl}; use rustc_infer::infer::TyCtxtInferExt; use rustc_lint::{LateContext, LateLintPass}; -use rustc_middle::ty::{self, AliasTy, ClauseKind, PredicateKind}; use rustc_middle::ty::print::PrintTraitRefExt; +use rustc_middle::ty::{self, AliasTy, ClauseKind, PredicateKind}; use rustc_session::declare_lint_pass; use rustc_span::def_id::LocalDefId; use rustc_span::{sym, Span}; diff --git a/clippy_lints/src/lib.rs b/clippy_lints/src/lib.rs index a8bfbbdd9eca..3328d642bd85 100644 --- a/clippy_lints/src/lib.rs +++ b/clippy_lints/src/lib.rs @@ -61,11 +61,6 @@ extern crate clippy_utils; #[macro_use] extern crate declare_clippy_lint; -use std::collections::BTreeMap; - -use rustc_data_structures::fx::FxHashSet; -use rustc_lint::{Lint, LintId}; - #[cfg(feature = "internal")] pub mod deprecated_lints; #[cfg_attr(feature = "internal", allow(clippy::missing_clippy_version_attribute))] @@ -199,6 +194,7 @@ mod lifetimes; mod lines_filter_map_ok; mod literal_representation; mod loops; +mod macro_metavars_in_unsafe; mod macro_use; mod main_recursion; mod manual_assert; @@ -385,6 +381,10 @@ mod zero_sized_map_values; // end lints modules, do not remove this comment, it’s used in `update_lints` use clippy_config::{get_configuration_metadata, Conf}; +use clippy_utils::macros::FormatArgsStorage; +use rustc_data_structures::fx::FxHashSet; +use rustc_lint::{Lint, LintId}; +use std::collections::BTreeMap; /// Register all pre expansion lints /// @@ -533,6 +533,7 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { allow_expect_in_tests, allow_mixed_uninlined_format_args, allow_one_hash_in_raw_strings, + allow_panic_in_tests, allow_print_in_tests, allow_private_module_inception, allow_unwrap_in_tests, @@ -597,9 +598,11 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { ref allowed_duplicate_crates, allow_comparison_to_zero, ref allowed_prefixes, + ref allow_renamed_params_for, blacklisted_names: _, cyclomatic_complexity_threshold: _, + warn_unsafe_macro_metavars_in_private_macros, } = *conf; let msrv = || msrv.clone(); @@ -616,6 +619,14 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { } } + let format_args_storage = FormatArgsStorage::default(); + let format_args = format_args_storage.clone(); + store.register_early_pass(move || { + Box::new(utils::format_args_collector::FormatArgsCollector::new( + format_args.clone(), + )) + }); + // all the internal lints #[cfg(feature = "internal")] { @@ -656,7 +667,6 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { .collect(), )) }); - store.register_early_pass(|| Box::::default()); store.register_late_pass(|_| Box::new(utils::dump_hir::DumpHir)); store.register_late_pass(|_| Box::new(utils::author::Author)); store.register_late_pass(move |_| { @@ -698,6 +708,7 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { store.register_late_pass(|_| Box::new(non_octal_unix_permissions::NonOctalUnixPermissions)); store.register_early_pass(|| Box::new(unnecessary_self_imports::UnnecessarySelfImports)); store.register_late_pass(move |_| Box::new(approx_const::ApproxConstant::new(msrv()))); + let format_args = format_args_storage.clone(); store.register_late_pass(move |_| { Box::new(methods::Methods::new( avoid_breaking_exported_api, @@ -705,6 +716,7 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { allow_expect_in_tests, allow_unwrap_in_tests, allowed_dotfiles.clone(), + format_args.clone(), )) }); store.register_late_pass(move |_| Box::new(matches::Matches::new(msrv()))); @@ -759,7 +771,7 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { allow_in_test: allow_useless_vec_in_tests, }) }); - store.register_late_pass(|_| Box::new(panic_unimplemented::PanicUnimplemented)); + store.register_late_pass(move |_| Box::new(panic_unimplemented::PanicUnimplemented { allow_panic_in_tests })); store.register_late_pass(|_| Box::new(strings::StringLitAsBytes)); store.register_late_pass(|_| Box::new(derive::Derive)); store.register_late_pass(move |_| Box::new(derivable_impls::DerivableImpls::new(msrv()))); @@ -769,7 +781,8 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { store.register_late_pass(|_| Box::::default()); store.register_late_pass(move |_| Box::new(copies::CopyAndPaste::new(ignore_interior_mutability.clone()))); store.register_late_pass(|_| Box::new(copy_iterator::CopyIterator)); - store.register_late_pass(|_| Box::new(format::UselessFormat)); + let format_args = format_args_storage.clone(); + store.register_late_pass(move |_| Box::new(format::UselessFormat::new(format_args.clone()))); store.register_late_pass(|_| Box::new(swap::Swap)); store.register_late_pass(|_| Box::new(overflow_check_conditional::OverflowCheckConditional)); store.register_late_pass(|_| Box::::default()); @@ -780,6 +793,7 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { too_many_lines_threshold, large_error_threshold, avoid_breaking_exported_api, + allow_renamed_params_for.clone(), )) }); store.register_late_pass(move |_| Box::new(doc::Documentation::new(doc_valid_idents, check_private_items))); @@ -793,7 +807,8 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { store.register_late_pass(|_| Box::new(partialeq_ne_impl::PartialEqNeImpl)); store.register_late_pass(|_| Box::new(unused_io_amount::UnusedIoAmount)); store.register_late_pass(move |_| Box::new(large_enum_variant::LargeEnumVariant::new(enum_variant_size_threshold))); - store.register_late_pass(|_| Box::new(explicit_write::ExplicitWrite)); + let format_args = format_args_storage.clone(); + store.register_late_pass(move |_| Box::new(explicit_write::ExplicitWrite::new(format_args.clone()))); store.register_late_pass(|_| Box::new(needless_pass_by_value::NeedlessPassByValue)); store.register_late_pass(move |tcx| { Box::new(pass_by_ref_or_value::PassByRefOrValue::new( @@ -835,7 +850,8 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { store.register_late_pass(move |_| Box::new(mut_key::MutableKeyType::new(ignore_interior_mutability.clone()))); store.register_early_pass(|| Box::new(reference::DerefAddrOf)); store.register_early_pass(|| Box::new(double_parens::DoubleParens)); - store.register_late_pass(|_| Box::new(format_impl::FormatImpl::new())); + let format_args = format_args_storage.clone(); + store.register_late_pass(move |_| Box::new(format_impl::FormatImpl::new(format_args.clone()))); store.register_early_pass(|| Box::new(unsafe_removed_from_name::UnsafeNameRemoval)); store.register_early_pass(|| Box::new(else_if_without_else::ElseIfWithoutElse)); store.register_early_pass(|| Box::new(int_plus_one::IntPlusOne)); @@ -961,8 +977,14 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { accept_comment_above_attributes, )) }); - store - .register_late_pass(move |_| Box::new(format_args::FormatArgs::new(msrv(), allow_mixed_uninlined_format_args))); + let format_args = format_args_storage.clone(); + store.register_late_pass(move |_| { + Box::new(format_args::FormatArgs::new( + format_args.clone(), + msrv(), + allow_mixed_uninlined_format_args, + )) + }); store.register_late_pass(|_| Box::new(trailing_empty_array::TrailingEmptyArray)); store.register_early_pass(|| Box::new(octal_escapes::OctalEscapes)); store.register_late_pass(|_| Box::new(needless_late_init::NeedlessLateInit)); @@ -973,7 +995,8 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { store.register_late_pass(|_| Box::new(default_union_representation::DefaultUnionRepresentation)); store.register_late_pass(|_| Box::::default()); store.register_late_pass(move |_| Box::new(dbg_macro::DbgMacro::new(allow_dbg_in_tests))); - store.register_late_pass(move |_| Box::new(write::Write::new(allow_print_in_tests))); + let format_args = format_args_storage.clone(); + store.register_late_pass(move |_| Box::new(write::Write::new(format_args.clone(), allow_print_in_tests))); store.register_late_pass(move |_| { Box::new(cargo::Cargo { ignore_publish: cargo_ignore_publish, @@ -1136,6 +1159,12 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { store.register_late_pass(|_| Box::new(zero_repeat_side_effects::ZeroRepeatSideEffects)); store.register_late_pass(|_| Box::new(manual_unwrap_or_default::ManualUnwrapOrDefault)); store.register_late_pass(|_| Box::new(integer_division_remainder_used::IntegerDivisionRemainderUsed)); + store.register_late_pass(move |_| { + Box::new(macro_metavars_in_unsafe::ExprMetavarsInUnsafe { + warn_unsafe_macro_metavars_in_private_macros, + ..Default::default() + }) + }); // add lints here, do not remove this comment, it's used in `new_lint` } diff --git a/clippy_lints/src/loops/mod.rs b/clippy_lints/src/loops/mod.rs index b5e39b33c6a1..3dcb050d77e6 100644 --- a/clippy_lints/src/loops/mod.rs +++ b/clippy_lints/src/loops/mod.rs @@ -17,6 +17,7 @@ mod same_item_push; mod single_element_loop; mod unused_enumerate_index; mod utils; +mod while_float; mod while_immutable_condition; mod while_let_loop; mod while_let_on_iterator; @@ -416,6 +417,39 @@ declare_clippy_lint! { "variables used within while expression are not mutated in the body" } +declare_clippy_lint! { + /// ### What it does + /// Checks for while loops comparing floating point values. + /// + /// ### Why is this bad? + /// If you increment floating point values, errors can compound, + /// so, use integers instead if possible. + /// + /// ### Known problems + /// The lint will catch all while loops comparing floating point + /// values without regarding the increment. + /// + /// ### Example + /// ```no_run + /// let mut x = 0.0; + /// while x < 42.0 { + /// x += 1.0; + /// } + /// ``` + /// + /// Use instead: + /// ```no_run + /// let mut x = 0; + /// while x < 42 { + /// x += 1; + /// } + /// ``` + #[clippy::version = "1.80.0"] + pub WHILE_FLOAT, + nursery, + "while loops comaparing floating point values" +} + declare_clippy_lint! { /// ### What it does /// Checks whether a for loop is being used to push a constant @@ -706,6 +740,7 @@ impl_lint_pass!(Loops => [ NEVER_LOOP, MUT_RANGE_BOUND, WHILE_IMMUTABLE_CONDITION, + WHILE_FLOAT, SAME_ITEM_PUSH, SINGLE_ELEMENT_LOOP, MISSING_SPIN_LOOP, @@ -762,6 +797,7 @@ impl<'tcx> LateLintPass<'tcx> for Loops { if let Some(higher::While { condition, body, span }) = higher::While::hir(expr) { while_immutable_condition::check(cx, condition, body); + while_float::check(cx, condition); missing_spin_loop::check(cx, condition, body); manual_while_let_some::check(cx, condition, body, span); } diff --git a/clippy_lints/src/loops/mut_range_bound.rs b/clippy_lints/src/loops/mut_range_bound.rs index 6b9ecf5f1413..6c6a9a1a2e00 100644 --- a/clippy_lints/src/loops/mut_range_bound.rs +++ b/clippy_lints/src/loops/mut_range_bound.rs @@ -60,12 +60,9 @@ fn check_for_mutation( span_low: None, span_high: None, }; - ExprUseVisitor::for_clippy( - cx, - body.hir_id.owner.def_id, - &mut delegate, - ) - .walk_expr(body).into_ok(); + ExprUseVisitor::for_clippy(cx, body.hir_id.owner.def_id, &mut delegate) + .walk_expr(body) + .into_ok(); delegate.mutation_span() } diff --git a/clippy_lints/src/loops/while_float.rs b/clippy_lints/src/loops/while_float.rs new file mode 100644 index 000000000000..cf62ce29f0c7 --- /dev/null +++ b/clippy_lints/src/loops/while_float.rs @@ -0,0 +1,20 @@ +use clippy_utils::diagnostics::span_lint; +use rustc_hir::ExprKind; + +pub(super) fn check(cx: &rustc_lint::LateContext<'_>, condition: &rustc_hir::Expr<'_>) { + if let ExprKind::Binary(_op, left, right) = condition.kind + && is_float_type(cx, left) + && is_float_type(cx, right) + { + span_lint( + cx, + super::WHILE_FLOAT, + condition.span, + "while condition comparing floats", + ); + } +} + +fn is_float_type(cx: &rustc_lint::LateContext<'_>, expr: &rustc_hir::Expr<'_>) -> bool { + cx.typeck_results().expr_ty(expr).is_floating_point() +} diff --git a/clippy_lints/src/macro_metavars_in_unsafe.rs b/clippy_lints/src/macro_metavars_in_unsafe.rs new file mode 100644 index 000000000000..aea3d26e1878 --- /dev/null +++ b/clippy_lints/src/macro_metavars_in_unsafe.rs @@ -0,0 +1,256 @@ +use std::collections::btree_map::Entry; +use std::collections::BTreeMap; + +use clippy_utils::diagnostics::span_lint_hir_and_then; +use clippy_utils::is_lint_allowed; +use itertools::Itertools; +use rustc_hir::def_id::LocalDefId; +use rustc_hir::intravisit::{walk_block, walk_expr, walk_stmt, Visitor}; +use rustc_hir::{BlockCheckMode, Expr, ExprKind, HirId, Stmt, UnsafeSource}; +use rustc_lint::{LateContext, LateLintPass}; +use rustc_session::impl_lint_pass; +use rustc_span::{sym, Span, SyntaxContext}; + +declare_clippy_lint! { + /// ### What it does + /// Looks for macros that expand metavariables in an unsafe block. + /// + /// ### Why is this bad? + /// This hides an unsafe block and allows the user of the macro to write unsafe code without an explicit + /// unsafe block at callsite, making it possible to perform unsafe operations in seemingly safe code. + /// + /// The macro should be restructured so that these metavariables are referenced outside of unsafe blocks + /// and that the usual unsafety checks apply to the macro argument. + /// + /// This is usually done by binding it to a variable outside of the unsafe block + /// and then using that variable inside of the block as shown in the example, or by referencing it a second time + /// in a safe context, e.g. `if false { $expr }`. + /// + /// ### Known limitations + /// Due to how macros are represented in the compiler at the time Clippy runs its lints, + /// it's not possible to look for metavariables in macro definitions directly. + /// + /// Instead, this lint looks at expansions of macros. + /// This leads to false negatives for macros that are never actually invoked. + /// + /// By default, this lint is rather conservative and will only emit warnings on publicly-exported + /// macros from the same crate, because oftentimes private internal macros are one-off macros where + /// this lint would just be noise (e.g. macros that generate `impl` blocks). + /// The default behavior should help with preventing a high number of such false positives, + /// however it can be configured to also emit warnings in private macros if desired. + /// + /// ### Example + /// ```no_run + /// /// Gets the first element of a slice + /// macro_rules! first { + /// ($slice:expr) => { + /// unsafe { + /// let slice = $slice; // ⚠️ expansion inside of `unsafe {}` + /// + /// assert!(!slice.is_empty()); + /// // SAFETY: slice is checked to have at least one element + /// slice.first().unwrap_unchecked() + /// } + /// } + /// } + /// + /// assert_eq!(*first!(&[1i32]), 1); + /// + /// // This will compile as a consequence (note the lack of `unsafe {}`) + /// assert_eq!(*first!(std::hint::unreachable_unchecked() as &[i32]), 1); + /// ``` + /// Use instead: + /// ```compile_fail + /// macro_rules! first { + /// ($slice:expr) => {{ + /// let slice = $slice; // ✅ outside of `unsafe {}` + /// unsafe { + /// assert!(!slice.is_empty()); + /// // SAFETY: slice is checked to have at least one element + /// slice.first().unwrap_unchecked() + /// } + /// }} + /// } + /// + /// assert_eq!(*first!(&[1]), 1); + /// + /// // This won't compile: + /// assert_eq!(*first!(std::hint::unreachable_unchecked() as &[i32]), 1); + /// ``` + #[clippy::version = "1.80.0"] + pub MACRO_METAVARS_IN_UNSAFE, + suspicious, + "expanding macro metavariables in an unsafe block" +} +impl_lint_pass!(ExprMetavarsInUnsafe => [MACRO_METAVARS_IN_UNSAFE]); + +#[derive(Clone, Debug)] +pub enum MetavarState { + ReferencedInUnsafe { unsafe_blocks: Vec }, + ReferencedInSafe, +} + +#[derive(Default)] +pub struct ExprMetavarsInUnsafe { + pub warn_unsafe_macro_metavars_in_private_macros: bool, + /// A metavariable can be expanded more than once, potentially across multiple bodies, so it + /// requires some state kept across HIR nodes to make it possible to delay a warning + /// and later undo: + /// + /// ```ignore + /// macro_rules! x { + /// ($v:expr) => { + /// unsafe { $v; } // unsafe context, it might be possible to emit a warning here, so add it to the map + /// + /// $v; // `$v` expanded another time but in a safe context, set to ReferencedInSafe to suppress + /// } + /// } + /// ``` + pub metavar_expns: BTreeMap, +} + +struct BodyVisitor<'a, 'tcx> { + /// Stack of unsafe blocks -- the top item always represents the last seen unsafe block from + /// within a relevant macro. + macro_unsafe_blocks: Vec, + /// When this is >0, it means that the node currently being visited is "within" a + /// macro definition. This is not necessary for correctness, it merely helps reduce the number + /// of spans we need to insert into the map, since only spans from macros are relevant. + expn_depth: u32, + cx: &'a LateContext<'tcx>, + lint: &'a mut ExprMetavarsInUnsafe, +} + +fn is_public_macro(cx: &LateContext<'_>, def_id: LocalDefId) -> bool { + (cx.effective_visibilities.is_exported(def_id) || cx.tcx.has_attr(def_id, sym::macro_export)) + && !cx.tcx.is_doc_hidden(def_id) +} + +impl<'a, 'tcx> Visitor<'tcx> for BodyVisitor<'a, 'tcx> { + fn visit_stmt(&mut self, s: &'tcx Stmt<'tcx>) { + let from_expn = s.span.from_expansion(); + if from_expn { + self.expn_depth += 1; + } + walk_stmt(self, s); + if from_expn { + self.expn_depth -= 1; + } + } + + fn visit_expr(&mut self, e: &'tcx Expr<'tcx>) { + let ctxt = e.span.ctxt(); + + if let ExprKind::Block(block, _) = e.kind + && let BlockCheckMode::UnsafeBlock(UnsafeSource::UserProvided) = block.rules + && !ctxt.is_root() + && let Some(macro_def_id) = ctxt.outer_expn_data().macro_def_id + && let Some(macro_def_id) = macro_def_id.as_local() + && (self.lint.warn_unsafe_macro_metavars_in_private_macros || is_public_macro(self.cx, macro_def_id)) + { + self.macro_unsafe_blocks.push(block.hir_id); + walk_block(self, block); + self.macro_unsafe_blocks.pop(); + } else if ctxt.is_root() && self.expn_depth > 0 { + let unsafe_block = self.macro_unsafe_blocks.last().copied(); + + match (self.lint.metavar_expns.entry(e.span), unsafe_block) { + (Entry::Vacant(e), None) => { + e.insert(MetavarState::ReferencedInSafe); + }, + (Entry::Vacant(e), Some(unsafe_block)) => { + e.insert(MetavarState::ReferencedInUnsafe { + unsafe_blocks: vec![unsafe_block], + }); + }, + (Entry::Occupied(mut e), None) => { + if let MetavarState::ReferencedInUnsafe { .. } = *e.get() { + e.insert(MetavarState::ReferencedInSafe); + } + }, + (Entry::Occupied(mut e), Some(unsafe_block)) => { + if let MetavarState::ReferencedInUnsafe { unsafe_blocks } = e.get_mut() + && !unsafe_blocks.contains(&unsafe_block) + { + unsafe_blocks.push(unsafe_block); + } + }, + } + + // NB: No need to visit descendant nodes. They're guaranteed to represent the same + // metavariable + } else { + walk_expr(self, e); + } + } +} + +impl<'tcx> LateLintPass<'tcx> for ExprMetavarsInUnsafe { + fn check_body(&mut self, cx: &LateContext<'tcx>, body: &'tcx rustc_hir::Body<'tcx>) { + if is_lint_allowed(cx, MACRO_METAVARS_IN_UNSAFE, body.value.hir_id) { + return; + } + + // This BodyVisitor is separate and not part of the lint pass because there is no + // `check_stmt_post` on `(Late)LintPass`, which we'd need to detect when we're leaving a macro span + + let mut vis = BodyVisitor { + #[expect(clippy::bool_to_int_with_if)] // obfuscates the meaning + expn_depth: if body.value.span.from_expansion() { 1 } else { 0 }, + macro_unsafe_blocks: Vec::new(), + lint: self, + cx + }; + vis.visit_body(body); + } + + fn check_crate_post(&mut self, cx: &LateContext<'tcx>) { + // Aggregate all unsafe blocks from all spans: + // ``` + // macro_rules! x { + // ($w:expr, $x:expr, $y:expr) => { $w; unsafe { $w; $x; }; unsafe { $x; $y; }; } + // } + // $w: [] (unsafe#0 is never added because it was referenced in a safe context) + // $x: [unsafe#0, unsafe#1] + // $y: [unsafe#1] + // ``` + // We want to lint unsafe blocks #0 and #1 + let bad_unsafe_blocks = self + .metavar_expns + .iter() + .filter_map(|(_, state)| match state { + MetavarState::ReferencedInUnsafe { unsafe_blocks } => Some(unsafe_blocks.as_slice()), + MetavarState::ReferencedInSafe => None, + }) + .flatten() + .copied() + .map(|id| { + // Remove the syntax context to hide "in this macro invocation" in the diagnostic. + // The invocation doesn't matter. Also we want to dedupe by the unsafe block and not by anything + // related to the callsite. + let span = cx.tcx.hir().span(id); + + (id, Span::new(span.lo(), span.hi(), SyntaxContext::root(), None)) + }) + .dedup_by(|&(_, a), &(_, b)| a == b); + + for (id, span) in bad_unsafe_blocks { + span_lint_hir_and_then( + cx, + MACRO_METAVARS_IN_UNSAFE, + id, + span, + "this macro expands metavariables in an unsafe block", + |diag| { + diag.note("this allows the user of the macro to write unsafe code outside of an unsafe block"); + diag.help( + "consider expanding any metavariables outside of this block, e.g. by storing them in a variable", + ); + diag.help( + "... or also expand referenced metavariables in a safe context to require an unsafe block at callsite", + ); + }, + ); + } + } +} diff --git a/clippy_lints/src/manual_clamp.rs b/clippy_lints/src/manual_clamp.rs index 1eadc200bedc..e2ab44155182 100644 --- a/clippy_lints/src/manual_clamp.rs +++ b/clippy_lints/src/manual_clamp.rs @@ -611,15 +611,22 @@ impl<'tcx> BinaryOp<'tcx> { /// The clamp meta pattern is a pattern shared between many (but not all) patterns. /// In summary, this pattern consists of two if statements that meet many criteria, +/// /// - binary operators that are one of [`>`, `<`, `>=`, `<=`]. +/// /// - Both binary statements must have a shared argument +/// /// - Which can appear on the left or right side of either statement +/// /// - The binary operators must define a finite range for the shared argument. To put this in /// the terms of Rust `std` library, the following ranges are acceptable +/// /// - `Range` /// - `RangeInclusive` +/// /// And all other range types are not accepted. For the purposes of `clamp` it's irrelevant /// whether the range is inclusive or not, the output is the same. +/// /// - The result of each if statement must be equal to the argument unique to that if statement. The /// result can not be the shared argument in either case. fn is_clamp_meta_pattern<'tcx>( diff --git a/clippy_lints/src/matches/match_same_arms.rs b/clippy_lints/src/matches/match_same_arms.rs index cd61e733694b..da8c918a62bb 100644 --- a/clippy_lints/src/matches/match_same_arms.rs +++ b/clippy_lints/src/matches/match_same_arms.rs @@ -1,5 +1,5 @@ use clippy_utils::diagnostics::span_lint_hir_and_then; -use clippy_utils::source::snippet; +use clippy_utils::source::snippet_with_applicability; use clippy_utils::{is_lint_allowed, path_to_local, search_same, SpanlessEq, SpanlessHash}; use core::cmp::Ordering; use core::{iter, slice}; @@ -9,9 +9,9 @@ use rustc_errors::Applicability; use rustc_hir::def_id::DefId; use rustc_hir::{Arm, Expr, ExprKind, HirId, HirIdMap, HirIdMapEntry, HirIdSet, Pat, PatKind, RangeEnd}; use rustc_lint::builtin::NON_EXHAUSTIVE_OMITTED_PATTERNS; -use rustc_lint::LateContext; +use rustc_lint::{LateContext, LintContext}; use rustc_middle::ty; -use rustc_span::{ErrorGuaranteed, Symbol}; +use rustc_span::{ErrorGuaranteed, Span, Symbol}; use super::MATCH_SAME_ARMS; @@ -110,20 +110,22 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, arms: &'tcx [Arm<'_>]) { && check_same_body() }; + let mut appl = Applicability::MaybeIncorrect; let indexed_arms: Vec<(usize, &Arm<'_>)> = arms.iter().enumerate().collect(); for (&(i, arm1), &(j, arm2)) in search_same(&indexed_arms, hash, eq) { if matches!(arm2.pat.kind, PatKind::Wild) { if !cx.tcx.features().non_exhaustive_omitted_patterns_lint || is_lint_allowed(cx, NON_EXHAUSTIVE_OMITTED_PATTERNS, arm2.hir_id) { + let arm_span = adjusted_arm_span(cx, arm1.span); span_lint_hir_and_then( cx, MATCH_SAME_ARMS, arm1.hir_id, - arm1.span, + arm_span, "this match arm has an identical body to the `_` wildcard arm", |diag| { - diag.span_suggestion(arm1.span, "try removing the arm", "", Applicability::MaybeIncorrect) + diag.span_suggestion(arm_span, "try removing the arm", "", appl) .help("or try changing either arm body") .span_note(arm2.span, "`_` wildcard arm here"); }, @@ -144,23 +146,36 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, arms: &'tcx [Arm<'_>]) { keep_arm.span, "this match arm has an identical body to another arm", |diag| { - let move_pat_snip = snippet(cx, move_arm.pat.span, ""); - let keep_pat_snip = snippet(cx, keep_arm.pat.span, ""); + let move_pat_snip = snippet_with_applicability(cx, move_arm.pat.span, "", &mut appl); + let keep_pat_snip = snippet_with_applicability(cx, keep_arm.pat.span, "", &mut appl); diag.span_suggestion( keep_arm.pat.span, - "try merging the arm patterns", + "or try merging the arm patterns", format!("{keep_pat_snip} | {move_pat_snip}"), - Applicability::MaybeIncorrect, + appl, ) - .help("or try changing either arm body") - .span_note(move_arm.span, "other arm here"); + .span_suggestion( + adjusted_arm_span(cx, move_arm.span), + "and remove this obsolete arm", + "", + appl, + ) + .help("try changing either arm body"); }, ); } } } +/// Extend arm's span to include the comma and whitespaces after it. +fn adjusted_arm_span(cx: &LateContext<'_>, span: Span) -> Span { + let source_map = cx.sess().source_map(); + source_map + .span_extend_while(span, |c| c == ',' || c.is_ascii_whitespace()) + .unwrap_or(span) +} + #[derive(Clone, Copy)] enum NormalizedPat<'a> { Wild, diff --git a/clippy_lints/src/matches/significant_drop_in_scrutinee.rs b/clippy_lints/src/matches/significant_drop_in_scrutinee.rs index f775ea072e1f..6ac0705abb21 100644 --- a/clippy_lints/src/matches/significant_drop_in_scrutinee.rs +++ b/clippy_lints/src/matches/significant_drop_in_scrutinee.rs @@ -115,45 +115,60 @@ impl<'a, 'tcx> SigDropChecker<'a, 'tcx> { } } - fn get_type(&self, ex: &'tcx Expr<'_>) -> Ty<'tcx> { - self.cx.typeck_results().expr_ty(ex) + fn is_sig_drop_expr(&mut self, ex: &'tcx Expr<'_>) -> bool { + !ex.is_syntactic_place_expr() && self.has_sig_drop_attr(self.cx.typeck_results().expr_ty(ex)) } - fn has_seen_type(&mut self, ty: Ty<'tcx>) -> bool { - !self.seen_types.insert(ty) + fn has_sig_drop_attr(&mut self, ty: Ty<'tcx>) -> bool { + self.seen_types.clear(); + self.has_sig_drop_attr_impl(ty) } - fn has_sig_drop_attr(&mut self, cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool { + fn has_sig_drop_attr_impl(&mut self, ty: Ty<'tcx>) -> bool { if let Some(adt) = ty.ty_adt_def() { - if get_attr(cx.sess(), cx.tcx.get_attrs_unchecked(adt.did()), "has_significant_drop").count() > 0 { + if get_attr( + self.cx.sess(), + self.cx.tcx.get_attrs_unchecked(adt.did()), + "has_significant_drop", + ) + .count() + > 0 + { return true; } } - match ty.kind() { - rustc_middle::ty::Adt(a, b) => { - for f in a.all_fields() { - let ty = f.ty(cx.tcx, b); - if !self.has_seen_type(ty) && self.has_sig_drop_attr(cx, ty) { - return true; - } - } - - for generic_arg in *b { - if let GenericArgKind::Type(ty) = generic_arg.unpack() { - if self.has_sig_drop_attr(cx, ty) { - return true; - } - } - } - false - }, - rustc_middle::ty::Array(ty, _) - | rustc_middle::ty::RawPtr(ty, _) - | rustc_middle::ty::Ref(_, ty, _) - | rustc_middle::ty::Slice(ty) => self.has_sig_drop_attr(cx, *ty), - _ => false, + if !self.seen_types.insert(ty) { + return false; } + + let result = match ty.kind() { + rustc_middle::ty::Adt(adt, args) => { + // if some field has significant drop, + adt.all_fields() + .map(|field| field.ty(self.cx.tcx, args)) + .any(|ty| self.has_sig_drop_attr_impl(ty)) + // or if there is no generic lifetime and.. + // (to avoid false positive on `Ref<'a, MutexGuard>`) + || (args + .iter() + .all(|arg| !matches!(arg.unpack(), GenericArgKind::Lifetime(_))) + // some generic parameter has significant drop + // (to avoid false negative on `Box>`) + && args + .iter() + .filter_map(|arg| match arg.unpack() { + GenericArgKind::Type(ty) => Some(ty), + _ => None, + }) + .any(|ty| self.has_sig_drop_attr_impl(ty))) + }, + rustc_middle::ty::Tuple(tys) => tys.iter().any(|ty| self.has_sig_drop_attr_impl(ty)), + rustc_middle::ty::Array(ty, _) | rustc_middle::ty::Slice(ty) => self.has_sig_drop_attr_impl(*ty), + _ => false, + }; + + result } } @@ -232,7 +247,7 @@ impl<'a, 'tcx> SigDropHelper<'a, 'tcx> { if self.current_sig_drop.is_some() { return; } - let ty = self.sig_drop_checker.get_type(expr); + let ty = self.cx.typeck_results().expr_ty(expr); if ty.is_ref() { // We checked that the type was ref, so builtin_deref will return Some, // but let's avoid any chance of an ICE. @@ -279,11 +294,7 @@ impl<'a, 'tcx> SigDropHelper<'a, 'tcx> { impl<'a, 'tcx> Visitor<'tcx> for SigDropHelper<'a, 'tcx> { fn visit_expr(&mut self, ex: &'tcx Expr<'_>) { - if !self.is_chain_end - && self - .sig_drop_checker - .has_sig_drop_attr(self.cx, self.sig_drop_checker.get_type(ex)) - { + if !self.is_chain_end && self.sig_drop_checker.is_sig_drop_expr(ex) { self.has_significant_drop = true; return; } @@ -387,10 +398,7 @@ fn has_significant_drop_in_arms<'tcx>(cx: &LateContext<'tcx>, arms: &'tcx [Arm<' impl<'a, 'tcx> Visitor<'tcx> for ArmSigDropHelper<'a, 'tcx> { fn visit_expr(&mut self, ex: &'tcx Expr<'tcx>) { - if self - .sig_drop_checker - .has_sig_drop_attr(self.sig_drop_checker.cx, self.sig_drop_checker.get_type(ex)) - { + if self.sig_drop_checker.is_sig_drop_expr(ex) { self.found_sig_drop_spans.insert(ex.span); return; } diff --git a/clippy_lints/src/methods/expect_fun_call.rs b/clippy_lints/src/methods/expect_fun_call.rs index fba76852344f..c9f56e1d9809 100644 --- a/clippy_lints/src/methods/expect_fun_call.rs +++ b/clippy_lints/src/methods/expect_fun_call.rs @@ -1,5 +1,5 @@ use clippy_utils::diagnostics::span_lint_and_sugg; -use clippy_utils::macros::{find_format_args, format_args_inputs_span, root_macro_call_first_node}; +use clippy_utils::macros::{format_args_inputs_span, root_macro_call_first_node, FormatArgsStorage}; use clippy_utils::source::snippet_with_applicability; use clippy_utils::ty::{is_type_diagnostic_item, is_type_lang_item}; use rustc_errors::Applicability; @@ -16,6 +16,7 @@ use super::EXPECT_FUN_CALL; #[allow(clippy::too_many_lines)] pub(super) fn check<'tcx>( cx: &LateContext<'tcx>, + format_args_storage: &FormatArgsStorage, expr: &hir::Expr<'_>, method_span: Span, name: &str, @@ -134,9 +135,9 @@ pub(super) fn check<'tcx>( // Special handling for `format!` as arg_root if let Some(macro_call) = root_macro_call_first_node(cx, arg_root) { if cx.tcx.is_diagnostic_item(sym::format_macro, macro_call.def_id) - && let Some(format_args) = find_format_args(cx, arg_root, macro_call.expn) + && let Some(format_args) = format_args_storage.get(cx, arg_root, macro_call.expn) { - let span = format_args_inputs_span(&format_args); + let span = format_args_inputs_span(format_args); let sugg = snippet_with_applicability(cx, span, "..", &mut applicability); span_lint_and_sugg( cx, diff --git a/clippy_lints/src/methods/iter_filter.rs b/clippy_lints/src/methods/iter_filter.rs index 12647ea1ffcb..b93d51eac647 100644 --- a/clippy_lints/src/methods/iter_filter.rs +++ b/clippy_lints/src/methods/iter_filter.rs @@ -126,15 +126,15 @@ enum FilterType { /// /// How this is done: /// 1. we know that this is invoked in a method call with `filter` as the method name via `mod.rs` -/// 2. we check that we are in a trait method. Therefore we are in an -/// `(x as Iterator).filter({filter_arg})` method call. +/// 2. we check that we are in a trait method. Therefore we are in an `(x as +/// Iterator).filter({filter_arg})` method call. /// 3. we check that the parent expression is not a map. This is because we don't want to lint /// twice, and we already have a specialized lint for that. /// 4. we check that the span of the filter does not contain a comment. /// 5. we get the type of the `Item` in the `Iterator`, and compare against the type of Option and -/// Result. +/// Result. /// 6. we finally check the contents of the filter argument to see if it is a call to `is_some` or -/// `is_ok`. +/// `is_ok`. /// 7. if all of the above are true, then we return the `FilterType` fn expression_type( cx: &LateContext<'_>, diff --git a/clippy_lints/src/methods/iter_kv_map.rs b/clippy_lints/src/methods/iter_kv_map.rs index 7c852a3768d1..05e77386128f 100644 --- a/clippy_lints/src/methods/iter_kv_map.rs +++ b/clippy_lints/src/methods/iter_kv_map.rs @@ -12,8 +12,10 @@ use rustc_middle::ty; use rustc_span::{sym, Span}; /// lint use of: +/// /// - `hashmap.iter().map(|(_, v)| v)` /// - `hashmap.into_iter().map(|(_, v)| v)` +/// /// on `HashMaps` and `BTreeMaps` in std pub(super) fn check<'tcx>( diff --git a/clippy_lints/src/methods/iter_overeager_cloned.rs b/clippy_lints/src/methods/iter_overeager_cloned.rs index a52d38790a2b..5ccb5243e903 100644 --- a/clippy_lints/src/methods/iter_overeager_cloned.rs +++ b/clippy_lints/src/methods/iter_overeager_cloned.rs @@ -69,12 +69,9 @@ pub(super) fn check<'tcx>( used_move: HirIdSet::default(), }; - ExprUseVisitor::for_clippy( - cx, - closure.def_id, - &mut delegate, - ) - .consume_body(body).into_ok(); + ExprUseVisitor::for_clippy(cx, closure.def_id, &mut delegate) + .consume_body(body) + .into_ok(); let mut to_be_discarded = false; diff --git a/clippy_lints/src/methods/mod.rs b/clippy_lints/src/methods/mod.rs index 2b92bff016db..9d67aa233797 100644 --- a/clippy_lints/src/methods/mod.rs +++ b/clippy_lints/src/methods/mod.rs @@ -133,6 +133,7 @@ use bind_instead_of_map::BindInsteadOfMap; use clippy_config::msrvs::{self, Msrv}; use clippy_utils::consts::{constant, Constant}; use clippy_utils::diagnostics::{span_lint, span_lint_and_help}; +use clippy_utils::macros::FormatArgsStorage; use clippy_utils::ty::{contains_ty_adt_constructor_opaque, implements_trait, is_copy, is_type_diagnostic_item}; use clippy_utils::{contains_return, is_bool, is_trait_method, iter_input_pats, peel_blocks, return_ty}; pub use path_ends_with_ext::DEFAULT_ALLOWED_DOTFILES; @@ -4087,12 +4088,14 @@ declare_clippy_lint! { suspicious, "is_empty() called on strings known at compile time" } + pub struct Methods { avoid_breaking_exported_api: bool, msrv: Msrv, allow_expect_in_tests: bool, allow_unwrap_in_tests: bool, allowed_dotfiles: FxHashSet, + format_args: FormatArgsStorage, } impl Methods { @@ -4103,6 +4106,7 @@ impl Methods { allow_expect_in_tests: bool, allow_unwrap_in_tests: bool, mut allowed_dotfiles: FxHashSet, + format_args: FormatArgsStorage, ) -> Self { allowed_dotfiles.extend(DEFAULT_ALLOWED_DOTFILES.iter().map(ToString::to_string)); @@ -4112,6 +4116,7 @@ impl Methods { allow_expect_in_tests, allow_unwrap_in_tests, allowed_dotfiles, + format_args, } } } @@ -4281,7 +4286,15 @@ impl<'tcx> LateLintPass<'tcx> for Methods { ExprKind::MethodCall(method_call, receiver, args, _) => { let method_span = method_call.ident.span; or_fun_call::check(cx, expr, method_span, method_call.ident.as_str(), receiver, args); - expect_fun_call::check(cx, expr, method_span, method_call.ident.as_str(), receiver, args); + expect_fun_call::check( + cx, + &self.format_args, + expr, + method_span, + method_call.ident.as_str(), + receiver, + args, + ); clone_on_copy::check(cx, expr, method_call.ident.name, receiver, args); clone_on_ref_ptr::check(cx, expr, method_call.ident.name, receiver, args); inefficient_to_string::check(cx, expr, method_call.ident.name, receiver, args); diff --git a/clippy_lints/src/methods/unnecessary_iter_cloned.rs b/clippy_lints/src/methods/unnecessary_iter_cloned.rs index 520dcb2d52dc..7431dc1cf0b1 100644 --- a/clippy_lints/src/methods/unnecessary_iter_cloned.rs +++ b/clippy_lints/src/methods/unnecessary_iter_cloned.rs @@ -3,10 +3,12 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::higher::ForLoop; use clippy_utils::source::snippet_opt; use clippy_utils::ty::{get_iterator_item_ty, implements_trait}; -use clippy_utils::{fn_def_id, get_parent_expr}; +use clippy_utils::visitors::for_each_expr; +use clippy_utils::{can_mut_borrow_both, fn_def_id, get_parent_expr, path_to_local}; +use core::ops::ControlFlow; use rustc_errors::Applicability; use rustc_hir::def_id::DefId; -use rustc_hir::{Expr, ExprKind}; +use rustc_hir::{BindingMode, Expr, ExprKind, Node, PatKind}; use rustc_lint::LateContext; use rustc_span::{sym, Symbol}; @@ -40,6 +42,53 @@ pub fn check_for_loop_iter( && !clone_or_copy_needed && let Some(receiver_snippet) = snippet_opt(cx, receiver.span) { + // Issue 12098 + // https://github.com/rust-lang/rust-clippy/issues/12098 + // if the assignee have `mut borrow` conflict with the iteratee + // the lint should not execute, former didn't consider the mut case + + // check whether `expr` is mutable + fn is_mutable(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { + if let Some(hir_id) = path_to_local(expr) + && let Node::Pat(pat) = cx.tcx.hir_node(hir_id) + { + matches!(pat.kind, PatKind::Binding(BindingMode::MUT, ..)) + } else { + true + } + } + + fn is_caller_or_fields_change(cx: &LateContext<'_>, body: &Expr<'_>, caller: &Expr<'_>) -> bool { + let mut change = false; + if let ExprKind::Block(block, ..) = body.kind { + for_each_expr(block, |e| { + match e.kind { + ExprKind::Assign(assignee, _, _) | ExprKind::AssignOp(_, assignee, _) => { + change |= !can_mut_borrow_both(cx, caller, assignee); + }, + _ => {}, + } + // the return value has no effect but the function need one return value + ControlFlow::<()>::Continue(()) + }); + } + change + } + + if let ExprKind::Call(_, [child, ..]) = expr.kind { + // filter first layer of iterator + let mut child = child; + // get inner real caller requests for clone + while let ExprKind::MethodCall(_, caller, _, _) = child.kind { + child = caller; + } + if is_mutable(cx, child) && is_caller_or_fields_change(cx, body, child) { + // skip lint + return true; + } + }; + + // the lint should not be executed if no violation happens let snippet = if let ExprKind::MethodCall(maybe_iter_method_name, collection, [], _) = receiver.kind && maybe_iter_method_name.ident.name == sym::iter && let Some(iterator_trait_id) = cx.tcx.get_diagnostic_item(sym::Iterator) diff --git a/clippy_lints/src/methods/utils.rs b/clippy_lints/src/methods/utils.rs index c50f24f824ab..34d7b9acbe4b 100644 --- a/clippy_lints/src/methods/utils.rs +++ b/clippy_lints/src/methods/utils.rs @@ -120,6 +120,7 @@ fn pat_bindings(pat: &Pat<'_>) -> Vec { /// operations performed on `binding_hir_ids` are: /// * to take non-mutable references to them /// * to use them as non-mutable `&self` in method calls +/// /// If any of `binding_hir_ids` is used in any other way, then `clone_or_copy_needed` will be true /// when `CloneOrCopyVisitor` is done visiting. struct CloneOrCopyVisitor<'cx, 'tcx> { diff --git a/clippy_lints/src/needless_borrows_for_generic_args.rs b/clippy_lints/src/needless_borrows_for_generic_args.rs index ae6cf992ef7b..daf166bad90d 100644 --- a/clippy_lints/src/needless_borrows_for_generic_args.rs +++ b/clippy_lints/src/needless_borrows_for_generic_args.rs @@ -1,6 +1,6 @@ use clippy_config::msrvs::{self, Msrv}; use clippy_utils::diagnostics::span_lint_and_then; -use clippy_utils::mir::{enclosing_mir, expr_local, local_assignments, used_exactly_once, PossibleBorrowerMap}; +use clippy_utils::mir::PossibleBorrowerMap; use clippy_utils::source::snippet_with_context; use clippy_utils::ty::{implements_trait, is_copy}; use clippy_utils::{expr_use_ctxt, peel_n_hir_expr_refs, DefinedTy, ExprUseNode}; @@ -11,7 +11,6 @@ use rustc_hir::{Body, Expr, ExprKind, Mutability, Path, QPath}; use rustc_index::bit_set::BitSet; use rustc_infer::infer::TyCtxtInferExt; use rustc_lint::{LateContext, LateLintPass}; -use rustc_middle::mir::{Rvalue, StatementKind}; use rustc_middle::ty::{ self, ClauseKind, EarlyBinder, FnSig, GenericArg, GenericArgKind, ParamTy, ProjectionPredicate, Ty, }; @@ -106,7 +105,6 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessBorrowsForGenericArgs<'tcx> { } && let count = needless_borrow_count( cx, - &mut self.possible_borrowers, fn_id, cx.typeck_results().node_args(hir_id), i, @@ -155,11 +153,9 @@ fn path_has_args(p: &QPath<'_>) -> bool { /// The following constraints will be checked: /// * The borrowed expression meets all the generic type's constraints. /// * The generic type appears only once in the functions signature. -/// * The borrowed value will not be moved if it is used later in the function. -#[expect(clippy::too_many_arguments)] +/// * The borrowed value is Copy itself OR not a variable (created by a function call) fn needless_borrow_count<'tcx>( cx: &LateContext<'tcx>, - possible_borrowers: &mut Vec<(LocalDefId, PossibleBorrowerMap<'tcx, 'tcx>)>, fn_id: DefId, callee_args: ty::GenericArgsRef<'tcx>, arg_index: usize, @@ -234,9 +230,9 @@ fn needless_borrow_count<'tcx>( let referent_ty = cx.typeck_results().expr_ty(referent); - if !is_copy(cx, referent_ty) - && (referent_ty.has_significant_drop(cx.tcx, cx.param_env) - || !referent_used_exactly_once(cx, possible_borrowers, reference)) + if (!is_copy(cx, referent_ty) && !referent_ty.is_ref()) + && let ExprKind::AddrOf(_, _, inner) = reference.kind + && !matches!(inner.kind, ExprKind::Call(..) | ExprKind::MethodCall(..)) { return false; } @@ -339,37 +335,6 @@ fn is_mixed_projection_predicate<'tcx>( } } -fn referent_used_exactly_once<'tcx>( - cx: &LateContext<'tcx>, - possible_borrowers: &mut Vec<(LocalDefId, PossibleBorrowerMap<'tcx, 'tcx>)>, - reference: &Expr<'tcx>, -) -> bool { - if let Some(mir) = enclosing_mir(cx.tcx, reference.hir_id) - && let Some(local) = expr_local(cx.tcx, reference) - && let [location] = *local_assignments(mir, local).as_slice() - && let block_data = &mir.basic_blocks[location.block] - && let Some(statement) = block_data.statements.get(location.statement_index) - && let StatementKind::Assign(box (_, Rvalue::Ref(_, _, place))) = statement.kind - && !place.is_indirect_first_projection() - { - let body_owner_local_def_id = cx.tcx.hir().enclosing_body_owner(reference.hir_id); - if possible_borrowers - .last() - .map_or(true, |&(local_def_id, _)| local_def_id != body_owner_local_def_id) - { - possible_borrowers.push((body_owner_local_def_id, PossibleBorrowerMap::new(cx, mir))); - } - let possible_borrower = &mut possible_borrowers.last_mut().unwrap().1; - // If `only_borrowers` were used here, the `copyable_iterator::warn` test would fail. The reason is - // that `PossibleBorrowerVisitor::visit_terminator` considers `place.local` a possible borrower of - // itself. See the comment in that method for an explanation as to why. - possible_borrower.bounded_borrowers(&[local], &[local, place.local], place.local, location) - && used_exactly_once(mir, place.local).unwrap_or(false) - } else { - false - } -} - // Iteratively replaces `param_ty` with `new_ty` in `args`, and similarly for each resulting // projected type that is a type parameter. Returns `false` if replacing the types would have an // effect on the function signature beyond substituting `new_ty` for `param_ty`. @@ -408,7 +373,11 @@ fn replace_types<'tcx>( && let Some(term_ty) = projection_predicate.term.ty() && let ty::Param(term_param_ty) = term_ty.kind() { - let projection = projection_predicate.projection_term.with_self_ty(cx.tcx, new_ty).expect_ty(cx.tcx).to_ty(cx.tcx); + let projection = projection_predicate + .projection_term + .with_self_ty(cx.tcx, new_ty) + .expect_ty(cx.tcx) + .to_ty(cx.tcx); if let Ok(projected_ty) = cx.tcx.try_normalize_erasing_regions(cx.param_env, projection) && args[term_param_ty.index as usize] != GenericArg::from(projected_ty) diff --git a/clippy_lints/src/needless_continue.rs b/clippy_lints/src/needless_continue.rs index 8b4a12bb7664..b97cb4579ca7 100644 --- a/clippy_lints/src/needless_continue.rs +++ b/clippy_lints/src/needless_continue.rs @@ -178,8 +178,7 @@ impl EarlyLintPass for NeedlessContinue { /// Given an expression, returns true if either of the following is true /// /// - The expression is a `continue` node. -/// - The expression node is a block with the first statement being a -/// `continue`. +/// - The expression node is a block with the first statement being a `continue`. fn needless_continue_in_else(else_expr: &ast::Expr, label: Option<&ast::Label>) -> bool { match else_expr.kind { ast::ExprKind::Block(ref else_block, _) => is_first_block_stmt_continue(else_block, label), diff --git a/clippy_lints/src/needless_late_init.rs b/clippy_lints/src/needless_late_init.rs index 6605d1fa51a3..5a0ae1a4d6d2 100644 --- a/clippy_lints/src/needless_late_init.rs +++ b/clippy_lints/src/needless_late_init.rs @@ -273,24 +273,16 @@ fn check<'tcx>( msg_span, "unneeded late initialization", |diag| { - diag.tool_only_span_suggestion( - local_stmt.span, - "remove the local", - "", - Applicability::MachineApplicable, - ); - - diag.span_suggestion( - assign.lhs_span, - format!("declare `{binding_name}` here"), - let_snippet, + diag.multipart_suggestion( + format!("move the declaration `{binding_name}` here"), + vec![(local_stmt.span, String::new()), (assign.lhs_span, let_snippet)], Applicability::MachineApplicable, ); }, ); }, ExprKind::If(cond, then_expr, Some(else_expr)) if !contains_let(cond) => { - let (applicability, suggestions) = assignment_suggestions(cx, binding_id, [then_expr, else_expr])?; + let (applicability, mut suggestions) = assignment_suggestions(cx, binding_id, [then_expr, else_expr])?; span_lint_and_then( cx, @@ -298,30 +290,26 @@ fn check<'tcx>( local_stmt.span, "unneeded late initialization", |diag| { - diag.tool_only_span_suggestion(local_stmt.span, "remove the local", String::new(), applicability); - - diag.span_suggestion_verbose( - usage.stmt.span.shrink_to_lo(), - format!("declare `{binding_name}` here"), - format!("{let_snippet} = "), - applicability, - ); - - diag.multipart_suggestion("remove the assignments from the branches", suggestions, applicability); + suggestions.push((local_stmt.span, String::new())); + suggestions.push((usage.stmt.span.shrink_to_lo(), format!("{let_snippet} = "))); if usage.needs_semi { - diag.span_suggestion( - usage.stmt.span.shrink_to_hi(), - "add a semicolon after the `if` expression", - ";", - applicability, - ); + suggestions.push((usage.stmt.span.shrink_to_hi(), ";".to_owned())); } + + diag.multipart_suggestion( + format!( + "move the declaration `{binding_name}` here and remove the assignments from the branches" + ), + suggestions, + applicability, + ); }, ); }, ExprKind::Match(_, arms, MatchSource::Normal) => { - let (applicability, suggestions) = assignment_suggestions(cx, binding_id, arms.iter().map(|arm| arm.body))?; + let (applicability, mut suggestions) = + assignment_suggestions(cx, binding_id, arms.iter().map(|arm| arm.body))?; span_lint_and_then( cx, @@ -329,29 +317,18 @@ fn check<'tcx>( local_stmt.span, "unneeded late initialization", |diag| { - diag.tool_only_span_suggestion(local_stmt.span, "remove the local", String::new(), applicability); + suggestions.push((local_stmt.span, String::new())); + suggestions.push((usage.stmt.span.shrink_to_lo(), format!("{let_snippet} = "))); - diag.span_suggestion_verbose( - usage.stmt.span.shrink_to_lo(), - format!("declare `{binding_name}` here"), - format!("{let_snippet} = "), - applicability, - ); + if usage.needs_semi { + suggestions.push((usage.stmt.span.shrink_to_hi(), ";".to_owned())); + } diag.multipart_suggestion( - "remove the assignments from the `match` arms", + format!("move the declaration `{binding_name}` here and remove the assignments from the `match` arms"), suggestions, applicability, ); - - if usage.needs_semi { - diag.span_suggestion( - usage.stmt.span.shrink_to_hi(), - "add a semicolon after the `match` expression", - ";", - applicability, - ); - } }, ); }, diff --git a/clippy_lints/src/needless_pass_by_ref_mut.rs b/clippy_lints/src/needless_pass_by_ref_mut.rs index 9b852f52ea1e..da6ed5fb96f1 100644 --- a/clippy_lints/src/needless_pass_by_ref_mut.rs +++ b/clippy_lints/src/needless_pass_by_ref_mut.rs @@ -117,7 +117,9 @@ fn check_closures<'tcx>( .associated_body() .map(|(_, body_id)| hir.body(body_id)) { - euv::ExprUseVisitor::for_clippy(cx, closure, &mut *ctx).consume_body(body).into_ok(); + euv::ExprUseVisitor::for_clippy(cx, closure, &mut *ctx) + .consume_body(body) + .into_ok(); } } } @@ -194,7 +196,9 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessPassByRefMut<'tcx> { async_closures: FxHashSet::default(), tcx: cx.tcx, }; - euv::ExprUseVisitor::for_clippy(cx, fn_def_id, &mut ctx).consume_body(body).into_ok(); + euv::ExprUseVisitor::for_clippy(cx, fn_def_id, &mut ctx) + .consume_body(body) + .into_ok(); let mut checked_closures = FxHashSet::default(); diff --git a/clippy_lints/src/needless_pass_by_value.rs b/clippy_lints/src/needless_pass_by_value.rs index 0986571d0f28..f2e00cef7e9f 100644 --- a/clippy_lints/src/needless_pass_by_value.rs +++ b/clippy_lints/src/needless_pass_by_value.rs @@ -133,7 +133,9 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessPassByValue { // function body. let MovedVariablesCtxt { moved_vars } = { let mut ctx = MovedVariablesCtxt::default(); - euv::ExprUseVisitor::for_clippy(cx, fn_def_id, &mut ctx).consume_body(body).into_ok(); + euv::ExprUseVisitor::for_clippy(cx, fn_def_id, &mut ctx) + .consume_body(body) + .into_ok(); ctx }; diff --git a/clippy_lints/src/no_effect.rs b/clippy_lints/src/no_effect.rs index f915145e794b..87f886b1128d 100644 --- a/clippy_lints/src/no_effect.rs +++ b/clippy_lints/src/no_effect.rs @@ -94,7 +94,6 @@ impl<'tcx> LateLintPass<'tcx> for NoEffect { fn check_block_post(&mut self, cx: &LateContext<'tcx>, _: &'tcx rustc_hir::Block<'tcx>) { for hir_id in self.local_bindings.pop().unwrap() { - // FIXME(rust/#120456) - is `swap_remove` correct? if let Some(span) = self.underscore_bindings.swap_remove(&hir_id) { span_lint_hir( cx, @@ -109,7 +108,6 @@ impl<'tcx> LateLintPass<'tcx> for NoEffect { fn check_expr(&mut self, _: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) { if let Some(def_id) = path_to_local(expr) { - // FIXME(rust/#120456) - is `swap_remove` correct? self.underscore_bindings.swap_remove(&def_id); } } @@ -118,7 +116,11 @@ impl<'tcx> LateLintPass<'tcx> for NoEffect { impl NoEffect { fn check_no_effect(&mut self, cx: &LateContext<'_>, stmt: &Stmt<'_>) -> bool { if let StmtKind::Semi(expr) = stmt.kind { - // move `expr.span.from_expansion()` ahead + // Covered by rustc `path_statements` lint + if matches!(expr.kind, ExprKind::Path(_)) { + return true; + } + if expr.span.from_expansion() { return false; } diff --git a/clippy_lints/src/panic_unimplemented.rs b/clippy_lints/src/panic_unimplemented.rs index ef51a9a9a1c8..75066c1f0d2e 100644 --- a/clippy_lints/src/panic_unimplemented.rs +++ b/clippy_lints/src/panic_unimplemented.rs @@ -1,8 +1,14 @@ use clippy_utils::diagnostics::span_lint; +use clippy_utils::is_in_test; use clippy_utils::macros::{is_panic, root_macro_call_first_node}; use rustc_hir::Expr; use rustc_lint::{LateContext, LateLintPass}; -use rustc_session::declare_lint_pass; +use rustc_session::impl_lint_pass; + +#[derive(Clone)] +pub struct PanicUnimplemented { + pub allow_panic_in_tests: bool, +} declare_clippy_lint! { /// ### What it does @@ -77,7 +83,7 @@ declare_clippy_lint! { "usage of the `unreachable!` macro" } -declare_lint_pass!(PanicUnimplemented => [UNIMPLEMENTED, UNREACHABLE, TODO, PANIC]); +impl_lint_pass!(PanicUnimplemented => [UNIMPLEMENTED, UNREACHABLE, TODO, PANIC]); impl<'tcx> LateLintPass<'tcx> for PanicUnimplemented { fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { @@ -85,7 +91,9 @@ impl<'tcx> LateLintPass<'tcx> for PanicUnimplemented { return; }; if is_panic(cx, macro_call.def_id) { - if cx.tcx.hir().is_inside_const_context(expr.hir_id) { + if cx.tcx.hir().is_inside_const_context(expr.hir_id) + || self.allow_panic_in_tests && is_in_test(cx.tcx, expr.hir_id) + { return; } diff --git a/clippy_lints/src/strings.rs b/clippy_lints/src/strings.rs index 87a3c3874d77..292124196ff6 100644 --- a/clippy_lints/src/strings.rs +++ b/clippy_lints/src/strings.rs @@ -389,6 +389,10 @@ declare_lint_pass!(StrToString => [STR_TO_STRING]); impl<'tcx> LateLintPass<'tcx> for StrToString { fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &Expr<'_>) { + if expr.span.from_expansion() { + return; + } + if let ExprKind::MethodCall(path, self_arg, ..) = &expr.kind && path.ident.name == sym::to_string && let ty = cx.typeck_results().expr_ty(self_arg) @@ -437,6 +441,10 @@ declare_lint_pass!(StringToString => [STRING_TO_STRING]); impl<'tcx> LateLintPass<'tcx> for StringToString { fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &Expr<'_>) { + if expr.span.from_expansion() { + return; + } + if let ExprKind::MethodCall(path, self_arg, ..) = &expr.kind && path.ident.name == sym::to_string && let ty = cx.typeck_results().expr_ty(self_arg) diff --git a/clippy_lints/src/transmute/transmute_int_to_non_zero.rs b/clippy_lints/src/transmute/transmute_int_to_non_zero.rs index 7d824ef21390..3729dfd3e86f 100644 --- a/clippy_lints/src/transmute/transmute_int_to_non_zero.rs +++ b/clippy_lints/src/transmute/transmute_int_to_non_zero.rs @@ -28,7 +28,7 @@ pub(super) fn check<'tcx>( let int_ty = substs.type_at(0); if from_ty != int_ty { - return false; + return false; } span_lint_and_then( diff --git a/clippy_lints/src/unwrap.rs b/clippy_lints/src/unwrap.rs index 5b2841dcd833..c0d9bcdd259c 100644 --- a/clippy_lints/src/unwrap.rs +++ b/clippy_lints/src/unwrap.rs @@ -251,11 +251,7 @@ impl<'a, 'tcx> UnwrappableVariablesVisitor<'a, 'tcx> { local_id: unwrap_info.local_id, }; - let vis = ExprUseVisitor::for_clippy( - self.cx, - cond.hir_id.owner.def_id, - &mut delegate, - ); + let vis = ExprUseVisitor::for_clippy(self.cx, cond.hir_id.owner.def_id, &mut delegate); vis.walk_expr(cond).into_ok(); vis.walk_expr(branch).into_ok(); diff --git a/clippy_lints/src/utils/format_args_collector.rs b/clippy_lints/src/utils/format_args_collector.rs index 58e66c9f9b95..5acfd35fd6ae 100644 --- a/clippy_lints/src/utils/format_args_collector.rs +++ b/clippy_lints/src/utils/format_args_collector.rs @@ -1,4 +1,4 @@ -use clippy_utils::macros::AST_FORMAT_ARGS; +use clippy_utils::macros::FormatArgsStorage; use clippy_utils::source::snippet_opt; use itertools::Itertools; use rustc_ast::{Crate, Expr, ExprKind, FormatArgs}; @@ -9,13 +9,20 @@ use rustc_session::impl_lint_pass; use rustc_span::{hygiene, Span}; use std::iter::once; use std::mem; -use std::rc::Rc; -/// Collects [`rustc_ast::FormatArgs`] so that future late passes can call -/// [`clippy_utils::macros::find_format_args`] -#[derive(Default)] +/// Populates [`FormatArgsStorage`] with AST [`FormatArgs`] nodes pub struct FormatArgsCollector { - format_args: FxHashMap>, + format_args: FxHashMap, + storage: FormatArgsStorage, +} + +impl FormatArgsCollector { + pub fn new(storage: FormatArgsStorage) -> Self { + Self { + format_args: FxHashMap::default(), + storage, + } + } } impl_lint_pass!(FormatArgsCollector => []); @@ -27,16 +34,12 @@ impl EarlyLintPass for FormatArgsCollector { return; } - self.format_args - .insert(expr.span.with_parent(None), Rc::new((**args).clone())); + self.format_args.insert(expr.span.with_parent(None), (**args).clone()); } } fn check_crate_post(&mut self, _: &EarlyContext<'_>, _: &Crate) { - AST_FORMAT_ARGS.with(|ast_format_args| { - let result = ast_format_args.set(mem::take(&mut self.format_args)); - debug_assert!(result.is_ok()); - }); + self.storage.set(mem::take(&mut self.format_args)); } } diff --git a/clippy_lints/src/write.rs b/clippy_lints/src/write.rs index 26c6859233d5..ff6ee0d10ad5 100644 --- a/clippy_lints/src/write.rs +++ b/clippy_lints/src/write.rs @@ -1,5 +1,5 @@ use clippy_utils::diagnostics::{span_lint, span_lint_and_then}; -use clippy_utils::macros::{find_format_args, format_arg_removal_span, root_macro_call_first_node, MacroCall}; +use clippy_utils::macros::{format_arg_removal_span, root_macro_call_first_node, FormatArgsStorage, MacroCall}; use clippy_utils::source::{expand_past_previous_comma, snippet_opt}; use clippy_utils::{is_in_cfg_test, is_in_test_function}; use rustc_ast::token::LitKind; @@ -236,13 +236,15 @@ declare_clippy_lint! { #[derive(Default)] pub struct Write { + format_args: FormatArgsStorage, in_debug_impl: bool, allow_print_in_tests: bool, } impl Write { - pub fn new(allow_print_in_tests: bool) -> Self { + pub fn new(format_args: FormatArgsStorage, allow_print_in_tests: bool) -> Self { Self { + format_args, allow_print_in_tests, ..Default::default() } @@ -307,7 +309,7 @@ impl<'tcx> LateLintPass<'tcx> for Write { _ => return, } - if let Some(format_args) = find_format_args(cx, expr, macro_call.expn) { + if let Some(format_args) = self.format_args.get(cx, expr, macro_call.expn) { // ignore `writeln!(w)` and `write!(v, some_macro!())` if format_args.span.from_expansion() { return; @@ -315,15 +317,15 @@ impl<'tcx> LateLintPass<'tcx> for Write { match diag_name { sym::print_macro | sym::eprint_macro | sym::write_macro => { - check_newline(cx, &format_args, ¯o_call, name); + check_newline(cx, format_args, ¯o_call, name); }, sym::println_macro | sym::eprintln_macro | sym::writeln_macro => { - check_empty_string(cx, &format_args, ¯o_call, name); + check_empty_string(cx, format_args, ¯o_call, name); }, _ => {}, } - check_literal(cx, &format_args, name); + check_literal(cx, format_args, name); if !self.in_debug_impl { for piece in &format_args.template { diff --git a/clippy_utils/src/lib.rs b/clippy_utils/src/lib.rs index 99d7aba2f7a1..4c603bda770a 100644 --- a/clippy_utils/src/lib.rs +++ b/clippy_utils/src/lib.rs @@ -193,6 +193,21 @@ pub fn find_binding_init<'tcx>(cx: &LateContext<'tcx>, hir_id: HirId) -> Option< None } +/// Checks if the given local has an initializer or is from something other than a `let` statement +/// +/// e.g. returns true for `x` in `fn f(x: usize) { .. }` and `let x = 1;` but false for `let x;` +pub fn local_is_initialized(cx: &LateContext<'_>, local: HirId) -> bool { + for (_, node) in cx.tcx.hir().parent_iter(local) { + match node { + Node::Pat(..) | Node::PatField(..) => {}, + Node::LetStmt(let_stmt) => return let_stmt.init.is_some(), + _ => return true, + } + } + + false +} + /// Returns `true` if the given `NodeId` is inside a constant context /// /// # Example @@ -1499,15 +1514,18 @@ pub fn is_else_clause_in_let_else(tcx: TyCtxt<'_>, expr: &Expr<'_>) -> bool { } /// Checks whether the given `Expr` is a range equivalent to a `RangeFull`. +/// /// For the lower bound, this means that: /// - either there is none /// - or it is the smallest value that can be represented by the range's integer type +/// /// For the upper bound, this means that: /// - either there is none /// - or it is the largest value that can be represented by the range's integer type and is /// inclusive /// - or it is a call to some container's `len` method and is exclusive, and the range is passed to /// a method call on that same container (e.g. `v.drain(..v.len())`) +/// /// If the given `Expr` is not some kind of range, the function returns `false`. pub fn is_range_full(cx: &LateContext<'_>, expr: &Expr<'_>, container_path: Option<&Path<'_>>) -> bool { let ty = cx.typeck_results().expr_ty(expr); diff --git a/clippy_utils/src/macros.rs b/clippy_utils/src/macros.rs index 257dd76ab15c..8daab9b0d92c 100644 --- a/clippy_utils/src/macros.rs +++ b/clippy_utils/src/macros.rs @@ -5,15 +5,13 @@ use crate::visitors::{for_each_expr, Descend}; use arrayvec::ArrayVec; use rustc_ast::{FormatArgs, FormatArgument, FormatPlaceholder}; use rustc_data_structures::fx::FxHashMap; +use rustc_data_structures::sync::{Lrc, OnceLock}; use rustc_hir::{self as hir, Expr, ExprKind, HirId, Node, QPath}; use rustc_lint::LateContext; use rustc_span::def_id::DefId; use rustc_span::hygiene::{self, MacroKind, SyntaxContext}; use rustc_span::{sym, BytePos, ExpnData, ExpnId, ExpnKind, Span, SpanData, Symbol}; -use std::cell::OnceCell; use std::ops::ControlFlow; -use std::rc::Rc; -use std::sync::atomic::{AtomicBool, Ordering}; const FORMAT_MACRO_DIAG_ITEMS: &[Symbol] = &[ sym::assert_eq_macro, @@ -388,50 +386,44 @@ fn is_assert_arg(cx: &LateContext<'_>, expr: &Expr<'_>, assert_expn: ExpnId) -> } } -thread_local! { - /// We preserve the [`FormatArgs`] structs from the early pass for use in the late pass to be - /// able to access the many features of a [`LateContext`]. +/// Stores AST [`FormatArgs`] nodes for use in late lint passes, as they are in a desugared form in +/// the HIR +#[derive(Default, Clone)] +pub struct FormatArgsStorage(Lrc>>); + +impl FormatArgsStorage { + /// Returns an AST [`FormatArgs`] node if a `format_args` expansion is found as a descendant of + /// `expn_id` /// - /// A thread local is used because [`FormatArgs`] is `!Send` and `!Sync`, we are making an - /// assumption that the early pass that populates the map and the later late passes will all be - /// running on the same thread. - #[doc(hidden)] - pub static AST_FORMAT_ARGS: OnceCell>> = { - static CALLED: AtomicBool = AtomicBool::new(false); - debug_assert!( - !CALLED.swap(true, Ordering::SeqCst), - "incorrect assumption: `AST_FORMAT_ARGS` should only be accessed by a single thread", - ); - - OnceCell::new() - }; -} - -/// Returns an AST [`FormatArgs`] node if a `format_args` expansion is found as a descendant of -/// `expn_id` -pub fn find_format_args(cx: &LateContext<'_>, start: &Expr<'_>, expn_id: ExpnId) -> Option> { - let format_args_expr = for_each_expr(start, |expr| { - let ctxt = expr.span.ctxt(); - if ctxt.outer_expn().is_descendant_of(expn_id) { - if macro_backtrace(expr.span) - .map(|macro_call| cx.tcx.item_name(macro_call.def_id)) - .any(|name| matches!(name, sym::const_format_args | sym::format_args | sym::format_args_nl)) - { - ControlFlow::Break(expr) + /// See also [`find_format_arg_expr`] + pub fn get(&self, cx: &LateContext<'_>, start: &Expr<'_>, expn_id: ExpnId) -> Option<&FormatArgs> { + let format_args_expr = for_each_expr(start, |expr| { + let ctxt = expr.span.ctxt(); + if ctxt.outer_expn().is_descendant_of(expn_id) { + if macro_backtrace(expr.span) + .map(|macro_call| cx.tcx.item_name(macro_call.def_id)) + .any(|name| matches!(name, sym::const_format_args | sym::format_args | sym::format_args_nl)) + { + ControlFlow::Break(expr) + } else { + ControlFlow::Continue(Descend::Yes) + } } else { - ControlFlow::Continue(Descend::Yes) + ControlFlow::Continue(Descend::No) } - } else { - ControlFlow::Continue(Descend::No) - } - })?; + })?; - AST_FORMAT_ARGS.with(|ast_format_args| { - ast_format_args - .get()? - .get(&format_args_expr.span.with_parent(None)) - .cloned() - }) + debug_assert!(self.0.get().is_some(), "`FormatArgsStorage` not yet populated"); + + self.0.get()?.get(&format_args_expr.span.with_parent(None)) + } + + /// Should only be called by `FormatArgsCollector` + pub fn set(&self, format_args: FxHashMap) { + self.0 + .set(format_args) + .expect("`FormatArgsStorage::set` should only be called once"); + } } /// Attempt to find the [`rustc_hir::Expr`] that corresponds to the [`FormatArgument`]'s value, if diff --git a/clippy_utils/src/qualify_min_const_fn.rs b/clippy_utils/src/qualify_min_const_fn.rs index ff9f06531ea1..8ee7d87acb3e 100644 --- a/clippy_utils/src/qualify_min_const_fn.rs +++ b/clippy_utils/src/qualify_min_const_fn.rs @@ -3,7 +3,7 @@ // of terminologies might not be relevant in the context of Clippy. Note that its behavior might // differ from the time of `rustc` even if the name stays the same. -use clippy_config::msrvs::Msrv; +use clippy_config::msrvs::{self, Msrv}; use hir::LangItem; use rustc_attr::StableSince; use rustc_const_eval::transform::check_consts::ConstCx; @@ -42,7 +42,7 @@ pub fn is_min_const_fn<'tcx>(tcx: TyCtxt<'tcx>, body: &Body<'tcx>, msrv: &Msrv) for bb in &*body.basic_blocks { check_terminator(tcx, body, bb.terminator(), msrv)?; for stmt in &bb.statements { - check_statement(tcx, body, def_id, stmt)?; + check_statement(tcx, body, def_id, stmt, msrv)?; } } Ok(()) @@ -102,13 +102,14 @@ fn check_rvalue<'tcx>( def_id: DefId, rvalue: &Rvalue<'tcx>, span: Span, + msrv: &Msrv, ) -> McfResult { match rvalue { Rvalue::ThreadLocalRef(_) => Err((span, "cannot access thread local storage in const fn".into())), Rvalue::Len(place) | Rvalue::Discriminant(place) | Rvalue::Ref(_, _, place) | Rvalue::AddressOf(_, place) => { - check_place(tcx, *place, span, body) + check_place(tcx, *place, span, body, msrv) }, - Rvalue::CopyForDeref(place) => check_place(tcx, *place, span, body), + Rvalue::CopyForDeref(place) => check_place(tcx, *place, span, body, msrv), Rvalue::Repeat(operand, _) | Rvalue::Use(operand) | Rvalue::Cast( @@ -122,7 +123,7 @@ fn check_rvalue<'tcx>( | CastKind::PointerCoercion(PointerCoercion::MutToConstPointer | PointerCoercion::ArrayToPointer), operand, _, - ) => check_operand(tcx, operand, span, body), + ) => check_operand(tcx, operand, span, body, msrv), Rvalue::Cast( CastKind::PointerCoercion( PointerCoercion::UnsafeFnPointer @@ -133,15 +134,13 @@ fn check_rvalue<'tcx>( _, ) => Err((span, "function pointer casts are not allowed in const fn".into())), Rvalue::Cast(CastKind::PointerCoercion(PointerCoercion::Unsize), op, cast_ty) => { - let pointee_ty = if let Some(deref_ty) = cast_ty.builtin_deref(true) { - deref_ty - } else { + let Some(pointee_ty) = cast_ty.builtin_deref(true) else { // We cannot allow this for now. return Err((span, "unsizing casts are only allowed for references right now".into())); }; let unsized_ty = tcx.struct_tail_erasing_lifetimes(pointee_ty, tcx.param_env(def_id)); if let ty::Slice(_) | ty::Str = unsized_ty.kind() { - check_operand(tcx, op, span, body)?; + check_operand(tcx, op, span, body, msrv)?; // Casting/coercing things to slices is fine. Ok(()) } else { @@ -162,8 +161,8 @@ fn check_rvalue<'tcx>( )), // binops are fine on integers Rvalue::BinaryOp(_, box (lhs, rhs)) => { - check_operand(tcx, lhs, span, body)?; - check_operand(tcx, rhs, span, body)?; + check_operand(tcx, lhs, span, body, msrv)?; + check_operand(tcx, rhs, span, body, msrv)?; let ty = lhs.ty(body, tcx); if ty.is_integral() || ty.is_bool() || ty.is_char() { Ok(()) @@ -179,14 +178,14 @@ fn check_rvalue<'tcx>( Rvalue::UnaryOp(_, operand) => { let ty = operand.ty(body, tcx); if ty.is_integral() || ty.is_bool() { - check_operand(tcx, operand, span, body) + check_operand(tcx, operand, span, body, msrv) } else { Err((span, "only int and `bool` operations are stable in const fn".into())) } }, Rvalue::Aggregate(_, operands) => { for operand in operands { - check_operand(tcx, operand, span, body)?; + check_operand(tcx, operand, span, body, msrv)?; } Ok(()) }, @@ -198,28 +197,29 @@ fn check_statement<'tcx>( body: &Body<'tcx>, def_id: DefId, statement: &Statement<'tcx>, + msrv: &Msrv, ) -> McfResult { let span = statement.source_info.span; match &statement.kind { StatementKind::Assign(box (place, rval)) => { - check_place(tcx, *place, span, body)?; - check_rvalue(tcx, body, def_id, rval, span) + check_place(tcx, *place, span, body, msrv)?; + check_rvalue(tcx, body, def_id, rval, span, msrv) }, - StatementKind::FakeRead(box (_, place)) => check_place(tcx, *place, span, body), + StatementKind::FakeRead(box (_, place)) => check_place(tcx, *place, span, body, msrv), // just an assignment StatementKind::SetDiscriminant { place, .. } | StatementKind::Deinit(place) => { - check_place(tcx, **place, span, body) + check_place(tcx, **place, span, body, msrv) }, - StatementKind::Intrinsic(box NonDivergingIntrinsic::Assume(op)) => check_operand(tcx, op, span, body), + StatementKind::Intrinsic(box NonDivergingIntrinsic::Assume(op)) => check_operand(tcx, op, span, body, msrv), StatementKind::Intrinsic(box NonDivergingIntrinsic::CopyNonOverlapping( rustc_middle::mir::CopyNonOverlapping { dst, src, count }, )) => { - check_operand(tcx, dst, span, body)?; - check_operand(tcx, src, span, body)?; - check_operand(tcx, count, span, body) + check_operand(tcx, dst, span, body, msrv)?; + check_operand(tcx, src, span, body, msrv)?; + check_operand(tcx, count, span, body, msrv) }, // These are all NOPs StatementKind::StorageLive(_) @@ -233,7 +233,13 @@ fn check_statement<'tcx>( } } -fn check_operand<'tcx>(tcx: TyCtxt<'tcx>, operand: &Operand<'tcx>, span: Span, body: &Body<'tcx>) -> McfResult { +fn check_operand<'tcx>( + tcx: TyCtxt<'tcx>, + operand: &Operand<'tcx>, + span: Span, + body: &Body<'tcx>, + msrv: &Msrv, +) -> McfResult { match operand { Operand::Move(place) => { if !place.projection.as_ref().is_empty() @@ -245,9 +251,9 @@ fn check_operand<'tcx>(tcx: TyCtxt<'tcx>, operand: &Operand<'tcx>, span: Span, b )); } - check_place(tcx, *place, span, body) + check_place(tcx, *place, span, body, msrv) }, - Operand::Copy(place) => check_place(tcx, *place, span, body), + Operand::Copy(place) => check_place(tcx, *place, span, body, msrv), Operand::Constant(c) => match c.check_static_ptr(tcx) { Some(_) => Err((span, "cannot access `static` items in const fn".into())), None => Ok(()), @@ -255,23 +261,27 @@ fn check_operand<'tcx>(tcx: TyCtxt<'tcx>, operand: &Operand<'tcx>, span: Span, b } } -fn check_place<'tcx>(tcx: TyCtxt<'tcx>, place: Place<'tcx>, span: Span, body: &Body<'tcx>) -> McfResult { +fn check_place<'tcx>(tcx: TyCtxt<'tcx>, place: Place<'tcx>, span: Span, body: &Body<'tcx>, msrv: &Msrv) -> McfResult { for (base, elem) in place.as_ref().iter_projections() { match elem { ProjectionElem::Field(..) => { - let base_ty = base.ty(body, tcx).ty; - if let Some(def) = base_ty.ty_adt_def() { - // No union field accesses in `const fn` - if def.is_union() { - return Err((span, "accessing union fields is unstable".into())); - } + if base.ty(body, tcx).ty.is_union() && !msrv.meets(msrvs::CONST_FN_UNION) { + return Err((span, "accessing union fields is unstable".into())); } }, + ProjectionElem::Deref => match base.ty(body, tcx).ty.kind() { + ty::RawPtr(_, hir::Mutability::Mut) => { + return Err((span, "dereferencing raw mut pointer in const fn is unstable".into())); + }, + ty::RawPtr(_, hir::Mutability::Not) if !msrv.meets(msrvs::CONST_RAW_PTR_DEREF) => { + return Err((span, "dereferencing raw const pointer in const fn is unstable".into())); + }, + _ => (), + }, ProjectionElem::ConstantIndex { .. } | ProjectionElem::OpaqueCast(..) | ProjectionElem::Downcast(..) | ProjectionElem::Subslice { .. } - | ProjectionElem::Deref | ProjectionElem::Subtype(_) | ProjectionElem::Index(_) => {}, } @@ -304,7 +314,7 @@ fn check_terminator<'tcx>( } Ok(()) }, - TerminatorKind::SwitchInt { discr, targets: _ } => check_operand(tcx, discr, span, body), + TerminatorKind::SwitchInt { discr, targets: _ } => check_operand(tcx, discr, span, body, msrv), TerminatorKind::CoroutineDrop | TerminatorKind::Yield { .. } => { Err((span, "const fn coroutines are unstable".into())) }, @@ -341,10 +351,10 @@ fn check_terminator<'tcx>( )); } - check_operand(tcx, func, span, body)?; + check_operand(tcx, func, span, body, msrv)?; for arg in args { - check_operand(tcx, &arg.node, span, body)?; + check_operand(tcx, &arg.node, span, body, msrv)?; } Ok(()) } else { @@ -357,7 +367,7 @@ fn check_terminator<'tcx>( msg: _, target: _, unwind: _, - } => check_operand(tcx, cond, span, body), + } => check_operand(tcx, cond, span, body, msrv), TerminatorKind::InlineAsm { .. } => Err((span, "cannot use inline assembly in const fn".into())), } } diff --git a/clippy_utils/src/source.rs b/clippy_utils/src/source.rs index e72467edeeb0..fd67e039c29a 100644 --- a/clippy_utils/src/source.rs +++ b/clippy_utils/src/source.rs @@ -250,7 +250,7 @@ pub fn snippet<'a, T: LintContext>(cx: &T, span: Span, default: &'a str) -> Cow< /// - Applicability level `Unspecified` will never be changed. /// - If the span is inside a macro, change the applicability level to `MaybeIncorrect`. /// - If the default value is used and the applicability level is `MachineApplicable`, change it to -/// `HasPlaceholders` +/// `HasPlaceholders` pub fn snippet_with_applicability<'a, T: LintContext>( cx: &T, span: Span, diff --git a/clippy_utils/src/sugg.rs b/clippy_utils/src/sugg.rs index bf03c6c16015..6319c7bfa6b8 100644 --- a/clippy_utils/src/sugg.rs +++ b/clippy_utils/src/sugg.rs @@ -67,8 +67,7 @@ impl<'a> Sugg<'a> { /// - Applicability level `Unspecified` will never be changed. /// - If the span is inside a macro, change the applicability level to `MaybeIncorrect`. /// - If the default value is used and the applicability level is `MachineApplicable`, change it - /// to - /// `HasPlaceholders` + /// to `HasPlaceholders` pub fn hir_with_applicability( cx: &LateContext<'_>, expr: &hir::Expr<'_>, diff --git a/clippy_utils/src/ty.rs b/clippy_utils/src/ty.rs index c29e3feac9ad..2dacc34867f0 100644 --- a/clippy_utils/src/ty.rs +++ b/clippy_utils/src/ty.rs @@ -273,11 +273,7 @@ pub fn implements_trait_with_env_from_iter<'tcx>( let infcx = tcx.infer_ctxt().build(); let args = args .into_iter() - .map(|arg| { - arg.into().unwrap_or_else(|| { - infcx.next_ty_var(DUMMY_SP).into() - }) - }) + .map(|arg| arg.into().unwrap_or_else(|| infcx.next_ty_var(DUMMY_SP).into())) .collect::>(); // If an effect arg was not specified, we need to specify it. @@ -795,7 +791,8 @@ fn sig_from_bounds<'tcx>( inputs = Some(i); }, ty::ClauseKind::Projection(p) - if Some(p.projection_term.def_id) == lang_items.fn_once_output() && p.projection_term.self_ty() == ty => + if Some(p.projection_term.def_id) == lang_items.fn_once_output() + && p.projection_term.self_ty() == ty => { if output.is_some() { // Multiple different fn trait impls. Is this even allowed? @@ -956,11 +953,7 @@ pub struct AdtVariantInfo { impl AdtVariantInfo { /// Returns ADT variants ordered by size - pub fn new<'tcx>( - cx: &LateContext<'tcx>, - adt: AdtDef<'tcx>, - subst: GenericArgsRef<'tcx> - ) -> Vec { + pub fn new<'tcx>(cx: &LateContext<'tcx>, adt: AdtDef<'tcx>, subst: GenericArgsRef<'tcx>) -> Vec { let mut variants_size = adt .variants() .iter() diff --git a/clippy_utils/src/usage.rs b/clippy_utils/src/usage.rs index 9abb4ef9b8d3..2a25d51d8e50 100644 --- a/clippy_utils/src/usage.rs +++ b/clippy_utils/src/usage.rs @@ -16,13 +16,9 @@ pub fn mutated_variables<'tcx>(expr: &'tcx Expr<'_>, cx: &LateContext<'tcx>) -> used_mutably: HirIdSet::default(), skip: false, }; - ExprUseVisitor::for_clippy( - cx, - expr.hir_id.owner.def_id, - &mut delegate, - ) - .walk_expr(expr) - .into_ok(); + ExprUseVisitor::for_clippy(cx, expr.hir_id.owner.def_id, &mut delegate) + .walk_expr(expr) + .into_ok(); if delegate.skip { return None; diff --git a/lintcheck/Cargo.toml b/lintcheck/Cargo.toml index a828d1237046..8c5a409e25b1 100644 --- a/lintcheck/Cargo.toml +++ b/lintcheck/Cargo.toml @@ -13,7 +13,7 @@ default-run = "lintcheck" [dependencies] anyhow = "1.0.69" cargo_metadata = "0.15.3" -clap = { version = "4.1.8", features = ["derive", "env"] } +clap = { version = "4.4", features = ["derive", "env"] } crates_io_api = "0.8.1" crossbeam-channel = "0.5.6" flate2 = "1.0" diff --git a/rust-toolchain b/rust-toolchain index 055f305eb8e1..a0585ffdb45b 100644 --- a/rust-toolchain +++ b/rust-toolchain @@ -1,3 +1,3 @@ [toolchain] -channel = "nightly-2024-05-02" +channel = "nightly-2024-05-16" components = ["cargo", "llvm-tools", "rust-src", "rust-std", "rustc", "rustc-dev", "rustfmt"] diff --git a/tests/ui-cargo/lint_groups_priority/fail/Cargo.stderr b/tests/ui-cargo/lint_groups_priority/fail/Cargo.stderr index 103e60d84844..9177e99f8e6e 100644 --- a/tests/ui-cargo/lint_groups_priority/fail/Cargo.stderr +++ b/tests/ui-cargo/lint_groups_priority/fail/Cargo.stderr @@ -42,4 +42,32 @@ help: to have lints override the group set `pedantic` to a lower priority 19 | pedantic = { level = "warn", priority = -2 } | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -error: could not compile `fail` (lib) due to 3 previous errors +error: lint group `rust_2018_idioms` has the same priority (0) as a lint + --> Cargo.toml:23:1 + | +23 | rust_2018_idioms = "warn" + | ^^^^^^^^^^^^^^^^ ------ has an implicit priority of 0 +24 | bare_trait_objects = "allow" + | ------------------ has the same priority as this lint + | + = note: the order of the lints in the table is ignored by Cargo +help: to have lints override the group set `rust_2018_idioms` to a lower priority + | +23 | rust_2018_idioms = { level = "warn", priority = -1 } + | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +error: lint group `pedantic` has the same priority (0) as a lint + --> Cargo.toml:27:1 + | +27 | pedantic = "warn" + | ^^^^^^^^ ------ has an implicit priority of 0 +28 | similar_names = "allow" + | ------------- has the same priority as this lint + | + = note: the order of the lints in the table is ignored by Cargo +help: to have lints override the group set `pedantic` to a lower priority + | +27 | pedantic = { level = "warn", priority = -1 } + | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +error: could not compile `fail` (lib) due to 5 previous errors diff --git a/tests/ui-cargo/lint_groups_priority/fail/Cargo.toml b/tests/ui-cargo/lint_groups_priority/fail/Cargo.toml index 4ce41f781711..e4d4af9cd234 100644 --- a/tests/ui-cargo/lint_groups_priority/fail/Cargo.toml +++ b/tests/ui-cargo/lint_groups_priority/fail/Cargo.toml @@ -18,3 +18,11 @@ deprecated = "allow" [lints.clippy] pedantic = { level = "warn", priority = -1 } similar_names = { level = "allow", priority = -1 } + +[workspace.lints.rust] +rust_2018_idioms = "warn" +bare_trait_objects = "allow" + +[workspace.lints.clippy] +pedantic = "warn" +similar_names = "allow" diff --git a/tests/ui-toml/macro_metavars_in_unsafe/default/test.rs b/tests/ui-toml/macro_metavars_in_unsafe/default/test.rs new file mode 100644 index 000000000000..f5e01b431ad9 --- /dev/null +++ b/tests/ui-toml/macro_metavars_in_unsafe/default/test.rs @@ -0,0 +1,260 @@ +//! Tests macro_metavars_in_unsafe with default configuration +#![feature(decl_macro, lint_reasons)] +#![warn(clippy::macro_metavars_in_unsafe)] +#![allow(clippy::no_effect)] + +#[macro_export] +macro_rules! allow_works { + ($v:expr) => { + #[expect(clippy::macro_metavars_in_unsafe)] + unsafe { + $v; + }; + }; +} + +#[macro_export] +macro_rules! simple { + ($v:expr) => { + unsafe { + //~^ ERROR: this macro expands metavariables in an unsafe block + dbg!($v); + } + }; +} + +#[macro_export] +#[rustfmt::skip] // for some reason rustfmt rewrites $r#unsafe to r#u$nsafe, bug? +macro_rules! raw_symbol { + ($r#mod:expr, $r#unsafe:expr) => { + unsafe { + //~^ ERROR: this macro expands metavariables in an unsafe block + $r#mod; + } + $r#unsafe; + }; +} + +#[macro_export] +macro_rules! multilevel_unsafe { + ($v:expr) => { + unsafe { + unsafe { + //~^ ERROR: this macro expands metavariables in an unsafe block + $v; + } + } + }; +} + +#[macro_export] +macro_rules! in_function { + ($v:expr) => { + unsafe { + fn f() { + // function introduces a new body, so don't lint. + $v; + } + } + }; +} + +#[macro_export] +macro_rules! in_function_with_unsafe { + ($v:expr) => { + unsafe { + fn f() { + unsafe { + //~^ ERROR: this macro expands metavariables in an unsafe block + $v; + } + } + } + }; +} + +#[macro_export] +macro_rules! const_static { + ($c:expr, $s:expr) => { + unsafe { + // const and static introduces new body, don't lint + const _X: i32 = $c; + static _Y: i32 = $s; + } + }; +} + +#[macro_export] +macro_rules! const_generic_in_struct { + ($inside_unsafe:expr, $outside_unsafe:expr) => { + unsafe { + struct Ty< + const L: i32 = 1, + const M: i32 = { + 1; + unsafe { $inside_unsafe } + //~^ ERROR: this macro expands metavariables in an unsafe block + }, + const N: i32 = { $outside_unsafe }, + >; + } + }; +} + +#[macro_export] +macro_rules! fn_with_const_generic { + ($inside_unsafe:expr, $outside_unsafe:expr) => { + unsafe { + fn f() { + $outside_unsafe; + unsafe { + //~^ ERROR: this macro expands metavariables in an unsafe block + $inside_unsafe; + } + } + } + }; +} + +#[macro_export] +macro_rules! variables { + ($inside_unsafe:expr, $outside_unsafe:expr) => { + unsafe { + //~^ ERROR: this macro expands metavariables in an unsafe block + $inside_unsafe; + let inside_unsafe = 1; + inside_unsafe; + } + $outside_unsafe; + let outside_unsafe = 1; + outside_unsafe; + }; +} + +#[macro_export] +macro_rules! multiple_matchers { + ($inside_unsafe:expr, $outside_unsafe:expr) => { + unsafe { + //~^ ERROR: this macro expands metavariables in an unsafe block + $inside_unsafe; + } + $outside_unsafe; + }; + ($($v:expr, $x:expr),+) => { + $( + $v; + unsafe { + //~^ ERROR: this macro expands metavariables in an unsafe block + $x; + } + );+ + }; +} + +#[macro_export] +macro_rules! multiple_unsafe_blocks { + ($w:expr, $x:expr, $y:expr) => { + $w; + unsafe { + //~^ ERROR: this macro expands metavariables in an unsafe block + $x; + } + unsafe { + //~^ ERROR: this macro expands metavariables in an unsafe block + $x; + $y; + } + }; +} + +pub macro macro2_0($v:expr) { + unsafe { + //~^ ERROR: this macro expands metavariables in an unsafe block + $v; + } +} + +// don't lint private macros with the default configuration +macro_rules! private_mac { + ($v:expr) => { + unsafe { + $v; + } + }; +} + +// don't lint exported macros that are doc(hidden) because they also aren't part of the public API +#[macro_export] +#[doc(hidden)] +macro_rules! exported_but_hidden { + ($v:expr) => { + unsafe { + $v; + } + }; +} + +// don't lint if the same metavariable is expanded in an unsafe block and then outside of one: +// unsafe {} is still needed at callsite so not problematic +#[macro_export] +macro_rules! does_require_unsafe { + ($v:expr) => { + unsafe { + $v; + } + $v; + }; +} + +#[macro_export] +macro_rules! unsafe_from_root_ctxt { + ($v:expr) => { + // Expands to unsafe { 1 }, but the unsafe block is from the root ctxt and not this macro, + // so no warning. + $v; + }; +} + +// invoked from another macro, should still generate a warning +#[macro_export] +macro_rules! nested_macro_helper { + ($v:expr) => {{ + unsafe { + //~^ ERROR: this macro expands metavariables in an unsafe block + $v; + } + }}; +} + +#[macro_export] +macro_rules! nested_macros { + ($v:expr, $v2:expr) => {{ + unsafe { + //~^ ERROR: this macro expands metavariables in an unsafe block + nested_macro_helper!($v); + $v; + } + }}; +} + +fn main() { + allow_works!(1); + simple!(1); + raw_symbol!(1, 1); + multilevel_unsafe!(1); + in_function!(1); + in_function_with_unsafe!(1); + const_static!(1, 1); + const_generic_in_struct!(1, 1); + fn_with_const_generic!(1, 1); + variables!(1, 1); + multiple_matchers!(1, 1); + multiple_matchers!(1, 1, 1, 1); + macro2_0!(1); + private_mac!(1); + exported_but_hidden!(1); + does_require_unsafe!(1); + multiple_unsafe_blocks!(1, 1, 1); + unsafe_from_root_ctxt!(unsafe { 1 }); + nested_macros!(1, 1); +} diff --git a/tests/ui-toml/macro_metavars_in_unsafe/default/test.stderr b/tests/ui-toml/macro_metavars_in_unsafe/default/test.stderr new file mode 100644 index 000000000000..d6b97f6fde1e --- /dev/null +++ b/tests/ui-toml/macro_metavars_in_unsafe/default/test.stderr @@ -0,0 +1,187 @@ +error: this macro expands metavariables in an unsafe block + --> tests/ui-toml/macro_metavars_in_unsafe/default/test.rs:19:9 + | +LL | / unsafe { +LL | | +LL | | dbg!($v); +LL | | } + | |_________^ + | + = note: this allows the user of the macro to write unsafe code outside of an unsafe block + = help: consider expanding any metavariables outside of this block, e.g. by storing them in a variable + = help: ... or also expand referenced metavariables in a safe context to require an unsafe block at callsite + = note: `-D clippy::macro-metavars-in-unsafe` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::macro_metavars_in_unsafe)]` + +error: this macro expands metavariables in an unsafe block + --> tests/ui-toml/macro_metavars_in_unsafe/default/test.rs:30:9 + | +LL | / unsafe { +LL | | +LL | | $r#mod; +LL | | } + | |_________^ + | + = note: this allows the user of the macro to write unsafe code outside of an unsafe block + = help: consider expanding any metavariables outside of this block, e.g. by storing them in a variable + = help: ... or also expand referenced metavariables in a safe context to require an unsafe block at callsite + +error: this macro expands metavariables in an unsafe block + --> tests/ui-toml/macro_metavars_in_unsafe/default/test.rs:42:13 + | +LL | / unsafe { +LL | | +LL | | $v; +LL | | } + | |_____________^ + | + = note: this allows the user of the macro to write unsafe code outside of an unsafe block + = help: consider expanding any metavariables outside of this block, e.g. by storing them in a variable + = help: ... or also expand referenced metavariables in a safe context to require an unsafe block at callsite + +error: this macro expands metavariables in an unsafe block + --> tests/ui-toml/macro_metavars_in_unsafe/default/test.rs:67:17 + | +LL | / unsafe { +LL | | +LL | | $v; +LL | | } + | |_________________^ + | + = note: this allows the user of the macro to write unsafe code outside of an unsafe block + = help: consider expanding any metavariables outside of this block, e.g. by storing them in a variable + = help: ... or also expand referenced metavariables in a safe context to require an unsafe block at callsite + +error: this macro expands metavariables in an unsafe block + --> tests/ui-toml/macro_metavars_in_unsafe/default/test.rs:95:21 + | +LL | unsafe { $inside_unsafe } + | ^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: this allows the user of the macro to write unsafe code outside of an unsafe block + = help: consider expanding any metavariables outside of this block, e.g. by storing them in a variable + = help: ... or also expand referenced metavariables in a safe context to require an unsafe block at callsite + +error: this macro expands metavariables in an unsafe block + --> tests/ui-toml/macro_metavars_in_unsafe/default/test.rs:110:17 + | +LL | / unsafe { +LL | | +LL | | $inside_unsafe; +LL | | } + | |_________________^ + | + = note: this allows the user of the macro to write unsafe code outside of an unsafe block + = help: consider expanding any metavariables outside of this block, e.g. by storing them in a variable + = help: ... or also expand referenced metavariables in a safe context to require an unsafe block at callsite + +error: this macro expands metavariables in an unsafe block + --> tests/ui-toml/macro_metavars_in_unsafe/default/test.rs:122:9 + | +LL | / unsafe { +LL | | +LL | | $inside_unsafe; +LL | | let inside_unsafe = 1; +LL | | inside_unsafe; +LL | | } + | |_________^ + | + = note: this allows the user of the macro to write unsafe code outside of an unsafe block + = help: consider expanding any metavariables outside of this block, e.g. by storing them in a variable + = help: ... or also expand referenced metavariables in a safe context to require an unsafe block at callsite + +error: this macro expands metavariables in an unsafe block + --> tests/ui-toml/macro_metavars_in_unsafe/default/test.rs:137:9 + | +LL | / unsafe { +LL | | +LL | | $inside_unsafe; +LL | | } + | |_________^ + | + = note: this allows the user of the macro to write unsafe code outside of an unsafe block + = help: consider expanding any metavariables outside of this block, e.g. by storing them in a variable + = help: ... or also expand referenced metavariables in a safe context to require an unsafe block at callsite + +error: this macro expands metavariables in an unsafe block + --> tests/ui-toml/macro_metavars_in_unsafe/default/test.rs:146:13 + | +LL | / unsafe { +LL | | +LL | | $x; +LL | | } + | |_____________^ + | + = note: this allows the user of the macro to write unsafe code outside of an unsafe block + = help: consider expanding any metavariables outside of this block, e.g. by storing them in a variable + = help: ... or also expand referenced metavariables in a safe context to require an unsafe block at callsite + +error: this macro expands metavariables in an unsafe block + --> tests/ui-toml/macro_metavars_in_unsafe/default/test.rs:171:5 + | +LL | / unsafe { +LL | | +LL | | $v; +LL | | } + | |_____^ + | + = note: this allows the user of the macro to write unsafe code outside of an unsafe block + = help: consider expanding any metavariables outside of this block, e.g. by storing them in a variable + = help: ... or also expand referenced metavariables in a safe context to require an unsafe block at callsite + +error: this macro expands metavariables in an unsafe block + --> tests/ui-toml/macro_metavars_in_unsafe/default/test.rs:158:9 + | +LL | / unsafe { +LL | | +LL | | $x; +LL | | } + | |_________^ + | + = note: this allows the user of the macro to write unsafe code outside of an unsafe block + = help: consider expanding any metavariables outside of this block, e.g. by storing them in a variable + = help: ... or also expand referenced metavariables in a safe context to require an unsafe block at callsite + +error: this macro expands metavariables in an unsafe block + --> tests/ui-toml/macro_metavars_in_unsafe/default/test.rs:162:9 + | +LL | / unsafe { +LL | | +LL | | $x; +LL | | $y; +LL | | } + | |_________^ + | + = note: this allows the user of the macro to write unsafe code outside of an unsafe block + = help: consider expanding any metavariables outside of this block, e.g. by storing them in a variable + = help: ... or also expand referenced metavariables in a safe context to require an unsafe block at callsite + +error: this macro expands metavariables in an unsafe block + --> tests/ui-toml/macro_metavars_in_unsafe/default/test.rs:222:9 + | +LL | / unsafe { +LL | | +LL | | $v; +LL | | } + | |_________^ + | + = note: this allows the user of the macro to write unsafe code outside of an unsafe block + = help: consider expanding any metavariables outside of this block, e.g. by storing them in a variable + = help: ... or also expand referenced metavariables in a safe context to require an unsafe block at callsite + +error: this macro expands metavariables in an unsafe block + --> tests/ui-toml/macro_metavars_in_unsafe/default/test.rs:232:9 + | +LL | / unsafe { +LL | | +LL | | nested_macro_helper!($v); +LL | | $v; +LL | | } + | |_________^ + | + = note: this allows the user of the macro to write unsafe code outside of an unsafe block + = help: consider expanding any metavariables outside of this block, e.g. by storing them in a variable + = help: ... or also expand referenced metavariables in a safe context to require an unsafe block at callsite + +error: aborting due to 14 previous errors + diff --git a/tests/ui-toml/macro_metavars_in_unsafe/private/clippy.toml b/tests/ui-toml/macro_metavars_in_unsafe/private/clippy.toml new file mode 100644 index 000000000000..d4bbc2a1be89 --- /dev/null +++ b/tests/ui-toml/macro_metavars_in_unsafe/private/clippy.toml @@ -0,0 +1 @@ +warn-unsafe-macro-metavars-in-private-macros = true diff --git a/tests/ui-toml/macro_metavars_in_unsafe/private/test.rs b/tests/ui-toml/macro_metavars_in_unsafe/private/test.rs new file mode 100644 index 000000000000..2bbe1fa7b7f9 --- /dev/null +++ b/tests/ui-toml/macro_metavars_in_unsafe/private/test.rs @@ -0,0 +1,15 @@ +//! Tests macro_metavars_in_unsafe with private (non-exported) macros +#![warn(clippy::macro_metavars_in_unsafe)] + +macro_rules! mac { + ($v:expr) => { + unsafe { + //~^ ERROR: this macro expands metavariables in an unsafe block + dbg!($v); + } + }; +} + +fn main() { + mac!(1); +} diff --git a/tests/ui-toml/macro_metavars_in_unsafe/private/test.stderr b/tests/ui-toml/macro_metavars_in_unsafe/private/test.stderr new file mode 100644 index 000000000000..f9c418b22188 --- /dev/null +++ b/tests/ui-toml/macro_metavars_in_unsafe/private/test.stderr @@ -0,0 +1,17 @@ +error: this macro expands metavariables in an unsafe block + --> tests/ui-toml/macro_metavars_in_unsafe/private/test.rs:6:9 + | +LL | / unsafe { +LL | | +LL | | dbg!($v); +LL | | } + | |_________^ + | + = note: this allows the user of the macro to write unsafe code outside of an unsafe block + = help: consider expanding any metavariables outside of this block, e.g. by storing them in a variable + = help: ... or also expand referenced metavariables in a safe context to require an unsafe block at callsite + = note: `-D clippy::macro-metavars-in-unsafe` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::macro_metavars_in_unsafe)]` + +error: aborting due to 1 previous error + diff --git a/tests/ui-toml/panic/clippy.toml b/tests/ui-toml/panic/clippy.toml new file mode 100644 index 000000000000..5d6230d092c0 --- /dev/null +++ b/tests/ui-toml/panic/clippy.toml @@ -0,0 +1 @@ +allow-panic-in-tests = true diff --git a/tests/ui-toml/panic/panic.rs b/tests/ui-toml/panic/panic.rs new file mode 100644 index 000000000000..618a37ddfc55 --- /dev/null +++ b/tests/ui-toml/panic/panic.rs @@ -0,0 +1,54 @@ +//@compile-flags: --test +#![warn(clippy::panic)] + +fn main() { + enum Enam { + A, + } + let a = Enam::A; + match a { + Enam::A => {}, + _ => panic!(""), + } +} + +#[test] +fn lonely_test() { + enum Enam { + A, + } + let a = Enam::A; + match a { + Enam::A => {}, + _ => panic!(""), + } +} + +#[cfg(test)] +mod tests { + // should not lint in `#[cfg(test)]` modules + #[test] + fn test_fn() { + enum Enam { + A, + } + let a = Enam::A; + match a { + Enam::A => {}, + _ => panic!(""), + } + + bar(); + } + + fn bar() { + enum Enam { + A, + } + let a = Enam::A; + match a { + Enam::A => {}, + _ => panic!(""), + } + } +} diff --git a/tests/ui-toml/panic/panic.stderr b/tests/ui-toml/panic/panic.stderr new file mode 100644 index 000000000000..bf7503e086c9 --- /dev/null +++ b/tests/ui-toml/panic/panic.stderr @@ -0,0 +1,11 @@ +error: `panic` should not be present in production code + --> tests/ui-toml/panic/panic.rs:11:14 + | +LL | _ => panic!(""), + | ^^^^^^^^^^ + | + = note: `-D clippy::panic` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::panic)]` + +error: aborting due to 1 previous error + diff --git a/tests/ui-toml/renamed_function_params/default/clippy.toml b/tests/ui-toml/renamed_function_params/default/clippy.toml new file mode 100644 index 000000000000..5381e70a9391 --- /dev/null +++ b/tests/ui-toml/renamed_function_params/default/clippy.toml @@ -0,0 +1,2 @@ +# Ignore `From`, `TryFrom`, `FromStr` by default +# allow-renamed-params-for = [] diff --git a/tests/ui-toml/renamed_function_params/extend/clippy.toml b/tests/ui-toml/renamed_function_params/extend/clippy.toml new file mode 100644 index 000000000000..9b3853e76961 --- /dev/null +++ b/tests/ui-toml/renamed_function_params/extend/clippy.toml @@ -0,0 +1,2 @@ +# Ignore `From`, `TryFrom`, `FromStr` by default +allow-renamed-params-for = [ "..", "std::ops::Add", "renamed_function_params::MyTrait" ] diff --git a/tests/ui-toml/renamed_function_params/renamed_function_params.default.stderr b/tests/ui-toml/renamed_function_params/renamed_function_params.default.stderr new file mode 100644 index 000000000000..2d700f607592 --- /dev/null +++ b/tests/ui-toml/renamed_function_params/renamed_function_params.default.stderr @@ -0,0 +1,46 @@ +error: renamed function parameter of trait impl + --> tests/ui-toml/renamed_function_params/renamed_function_params.rs:30:18 + | +LL | fn eq(&self, rhs: &Self) -> bool { + | ^^^ help: consider using the default name: `other` + | + = note: `-D clippy::renamed-function-params` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::renamed_function_params)]` + +error: renamed function parameter of trait impl + --> tests/ui-toml/renamed_function_params/renamed_function_params.rs:34:18 + | +LL | fn ne(&self, rhs: &Self) -> bool { + | ^^^ help: consider using the default name: `other` + +error: renamed function parameter of trait impl + --> tests/ui-toml/renamed_function_params/renamed_function_params.rs:48:19 + | +LL | fn foo(&self, i_dont_wanna_use_your_name: u8) {} // only lint in `extend` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using the default name: `val` + +error: renamed function parameter of trait impl + --> tests/ui-toml/renamed_function_params/renamed_function_params.rs:55:31 + | +LL | fn hash(&self, states: &mut H) { + | ^^^^^^ help: consider using the default name: `state` + +error: renamed function parameters of trait impl + --> tests/ui-toml/renamed_function_params/renamed_function_params.rs:59:30 + | +LL | fn hash_slice(date: &[Self], states: &mut H) { + | ^^^^ ^^^^^^ + | +help: consider using the default names + | +LL | fn hash_slice(data: &[Self], state: &mut H) { + | ~~~~ ~~~~~ + +error: renamed function parameter of trait impl + --> tests/ui-toml/renamed_function_params/renamed_function_params.rs:80:18 + | +LL | fn add(self, b: B) -> C { + | ^ help: consider using the default name: `rhs` + +error: aborting due to 6 previous errors + diff --git a/tests/ui-toml/renamed_function_params/renamed_function_params.extend.stderr b/tests/ui-toml/renamed_function_params/renamed_function_params.extend.stderr new file mode 100644 index 000000000000..e57554fa613a --- /dev/null +++ b/tests/ui-toml/renamed_function_params/renamed_function_params.extend.stderr @@ -0,0 +1,34 @@ +error: renamed function parameter of trait impl + --> tests/ui-toml/renamed_function_params/renamed_function_params.rs:30:18 + | +LL | fn eq(&self, rhs: &Self) -> bool { + | ^^^ help: consider using the default name: `other` + | + = note: `-D clippy::renamed-function-params` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::renamed_function_params)]` + +error: renamed function parameter of trait impl + --> tests/ui-toml/renamed_function_params/renamed_function_params.rs:34:18 + | +LL | fn ne(&self, rhs: &Self) -> bool { + | ^^^ help: consider using the default name: `other` + +error: renamed function parameter of trait impl + --> tests/ui-toml/renamed_function_params/renamed_function_params.rs:55:31 + | +LL | fn hash(&self, states: &mut H) { + | ^^^^^^ help: consider using the default name: `state` + +error: renamed function parameters of trait impl + --> tests/ui-toml/renamed_function_params/renamed_function_params.rs:59:30 + | +LL | fn hash_slice(date: &[Self], states: &mut H) { + | ^^^^ ^^^^^^ + | +help: consider using the default names + | +LL | fn hash_slice(data: &[Self], state: &mut H) { + | ~~~~ ~~~~~ + +error: aborting due to 4 previous errors + diff --git a/tests/ui-toml/renamed_function_params/renamed_function_params.rs b/tests/ui-toml/renamed_function_params/renamed_function_params.rs new file mode 100644 index 000000000000..f3eb910abbd6 --- /dev/null +++ b/tests/ui-toml/renamed_function_params/renamed_function_params.rs @@ -0,0 +1,110 @@ +//@no-rustfix +//@revisions: default extend +//@[default] rustc-env:CLIPPY_CONF_DIR=tests/ui-toml/renamed_function_params/default +//@[extend] rustc-env:CLIPPY_CONF_DIR=tests/ui-toml/renamed_function_params/extend +#![warn(clippy::renamed_function_params)] +#![allow(clippy::partialeq_ne_impl, clippy::to_string_trait_impl)] +#![allow(unused)] + +use std::hash::{Hash, Hasher}; + +struct A; +impl From for String { + fn from(_value: A) -> Self { + String::new() + } +} +impl ToString for A { + fn to_string(&self) -> String { + String::new() + } +} + +struct B(u32); +impl std::convert::From for String { + fn from(b: B) -> Self { + b.0.to_string() + } +} +impl PartialEq for B { + fn eq(&self, rhs: &Self) -> bool { + //~^ ERROR: renamed function parameter of trait impl + self.0 == rhs.0 + } + fn ne(&self, rhs: &Self) -> bool { + //~^ ERROR: renamed function parameter of trait impl + self.0 != rhs.0 + } +} + +trait MyTrait { + fn foo(&self, val: u8); + fn bar(a: u8, b: u8); + fn baz(self, _val: u8); + fn quz(&self, _: u8); +} + +impl MyTrait for B { + fn foo(&self, i_dont_wanna_use_your_name: u8) {} // only lint in `extend` + fn bar(_a: u8, _: u8) {} + fn baz(self, val: u8) {} + fn quz(&self, val: u8) {} +} + +impl Hash for B { + fn hash(&self, states: &mut H) { + //~^ ERROR: renamed function parameter of trait impl + self.0.hash(states); + } + fn hash_slice(date: &[Self], states: &mut H) { + //~^ ERROR: renamed function parameters of trait impl + for d in date { + d.hash(states); + } + } +} + +impl B { + fn totally_irrelevant(&self, right: bool) {} + fn some_fn(&self, other: impl MyTrait) {} +} + +#[derive(Copy, Clone)] +enum C { + A, + B(u32), +} + +impl std::ops::Add for C { + type Output = C; + fn add(self, b: B) -> C { + // only lint in `extend` + C::B(b.0) + } +} + +impl From for C { + fn from(_: A) -> C { + C::A + } +} + +trait CustomTraitA { + fn foo(&self, other: u32); +} +trait CustomTraitB { + fn bar(&self, value: u8); +} + +macro_rules! impl_trait { + ($impl_for:ident, $tr:ty, $fn_name:ident, $t:ty) => { + impl $tr for $impl_for { + fn $fn_name(&self, v: $t) {} + } + }; +} + +impl_trait!(C, CustomTraitA, foo, u32); +impl_trait!(C, CustomTraitB, bar, u8); + +fn main() {} diff --git a/tests/ui-toml/toml_disallowed_types/conf_disallowed_types.rs b/tests/ui-toml/toml_disallowed_types/conf_disallowed_types.rs index 7f28efd676f2..f02bd07cfe7b 100644 --- a/tests/ui-toml/toml_disallowed_types/conf_disallowed_types.rs +++ b/tests/ui-toml/toml_disallowed_types/conf_disallowed_types.rs @@ -40,3 +40,9 @@ fn main() { let _ = HashMap; let _: usize = 64_usize; } + +mod useless_attribute { + // Regression test for https://github.com/rust-lang/rust-clippy/issues/12753 + #[allow(clippy::disallowed_types)] + use std::collections::HashMap; +} diff --git a/tests/ui-toml/toml_unknown_key/conf_unknown_key.stderr b/tests/ui-toml/toml_unknown_key/conf_unknown_key.stderr index 722e9b3bc8d4..5cf9c0fb2710 100644 --- a/tests/ui-toml/toml_unknown_key/conf_unknown_key.stderr +++ b/tests/ui-toml/toml_unknown_key/conf_unknown_key.stderr @@ -8,8 +8,10 @@ error: error reading Clippy's configuration file: unknown field `foobar`, expect allow-expect-in-tests allow-mixed-uninlined-format-args allow-one-hash-in-raw-strings + allow-panic-in-tests allow-print-in-tests allow-private-module-inception + allow-renamed-params-for allow-unwrap-in-tests allow-useless-vec-in-tests allowed-dotfiles @@ -74,6 +76,7 @@ error: error reading Clippy's configuration file: unknown field `foobar`, expect vec-box-size-threshold verbose-bit-mask-threshold warn-on-all-wildcard-imports + warn-unsafe-macro-metavars-in-private-macros --> $DIR/tests/ui-toml/toml_unknown_key/clippy.toml:2:1 | LL | foobar = 42 @@ -89,8 +92,10 @@ error: error reading Clippy's configuration file: unknown field `barfoo`, expect allow-expect-in-tests allow-mixed-uninlined-format-args allow-one-hash-in-raw-strings + allow-panic-in-tests allow-print-in-tests allow-private-module-inception + allow-renamed-params-for allow-unwrap-in-tests allow-useless-vec-in-tests allowed-dotfiles @@ -155,6 +160,7 @@ error: error reading Clippy's configuration file: unknown field `barfoo`, expect vec-box-size-threshold verbose-bit-mask-threshold warn-on-all-wildcard-imports + warn-unsafe-macro-metavars-in-private-macros --> $DIR/tests/ui-toml/toml_unknown_key/clippy.toml:4:1 | LL | barfoo = 53 @@ -170,8 +176,10 @@ error: error reading Clippy's configuration file: unknown field `allow_mixed_uni allow-expect-in-tests allow-mixed-uninlined-format-args allow-one-hash-in-raw-strings + allow-panic-in-tests allow-print-in-tests allow-private-module-inception + allow-renamed-params-for allow-unwrap-in-tests allow-useless-vec-in-tests allowed-dotfiles @@ -236,6 +244,7 @@ error: error reading Clippy's configuration file: unknown field `allow_mixed_uni vec-box-size-threshold verbose-bit-mask-threshold warn-on-all-wildcard-imports + warn-unsafe-macro-metavars-in-private-macros --> $DIR/tests/ui-toml/toml_unknown_key/clippy.toml:7:1 | LL | allow_mixed_uninlined_format_args = true diff --git a/tests/ui/assigning_clones.fixed b/tests/ui/assigning_clones.fixed index 8387c7d6156b..70ab43b49b3a 100644 --- a/tests/ui/assigning_clones.fixed +++ b/tests/ui/assigning_clones.fixed @@ -62,6 +62,16 @@ fn clone_method_rhs_complex(mut_thing: &mut HasCloneFrom, ref_thing: &HasCloneFr mut_thing.clone_from(ref_thing + ref_thing); } +fn clone_method_macro() { + let mut s = String::from(""); + s.clone_from(&format!("{} {}", "hello", "world")); +} + +fn clone_function_macro() { + let mut s = String::from(""); + Clone::clone_from(&mut s, &format!("{} {}", "hello", "world")); +} + fn assign_to_init_mut_var(b: HasCloneFrom) -> HasCloneFrom { let mut a = HasCloneFrom; for _ in 1..10 { @@ -86,6 +96,12 @@ fn assign_to_uninit_mut_var(b: HasCloneFrom) { a = b.clone(); } +fn late_init_let_tuple() { + let (p, q): (String, String); + p = "ghi".to_string(); + q = p.clone(); +} + #[derive(Clone)] pub struct HasDeriveClone; @@ -208,6 +224,16 @@ fn owned_function_val(mut mut_thing: String, ref_str: &str) { ToOwned::clone_into(ref_str, &mut mut_thing); } +fn owned_method_macro() { + let mut s = String::from(""); + format!("{} {}", "hello", "world").clone_into(&mut s); +} + +fn owned_function_macro() { + let mut s = String::from(""); + ToOwned::clone_into(&format!("{} {}", "hello", "world"), &mut s); +} + struct FakeToOwned; impl FakeToOwned { /// This looks just like `ToOwned::to_owned` diff --git a/tests/ui/assigning_clones.rs b/tests/ui/assigning_clones.rs index 6f4da9f652c9..9699fed100c8 100644 --- a/tests/ui/assigning_clones.rs +++ b/tests/ui/assigning_clones.rs @@ -62,6 +62,16 @@ fn clone_method_rhs_complex(mut_thing: &mut HasCloneFrom, ref_thing: &HasCloneFr *mut_thing = (ref_thing + ref_thing).clone(); } +fn clone_method_macro() { + let mut s = String::from(""); + s = format!("{} {}", "hello", "world").clone(); +} + +fn clone_function_macro() { + let mut s = String::from(""); + s = Clone::clone(&format!("{} {}", "hello", "world")); +} + fn assign_to_init_mut_var(b: HasCloneFrom) -> HasCloneFrom { let mut a = HasCloneFrom; for _ in 1..10 { @@ -86,6 +96,12 @@ fn assign_to_uninit_mut_var(b: HasCloneFrom) { a = b.clone(); } +fn late_init_let_tuple() { + let (p, q): (String, String); + p = "ghi".to_string(); + q = p.clone(); +} + #[derive(Clone)] pub struct HasDeriveClone; @@ -208,6 +224,16 @@ fn owned_function_val(mut mut_thing: String, ref_str: &str) { mut_thing = ToOwned::to_owned(ref_str); } +fn owned_method_macro() { + let mut s = String::from(""); + s = format!("{} {}", "hello", "world").to_owned(); +} + +fn owned_function_macro() { + let mut s = String::from(""); + s = ToOwned::to_owned(&format!("{} {}", "hello", "world")); +} + struct FakeToOwned; impl FakeToOwned { /// This looks just like `ToOwned::to_owned` diff --git a/tests/ui/assigning_clones.stderr b/tests/ui/assigning_clones.stderr index 793927bd1cb1..a68516376abb 100644 --- a/tests/ui/assigning_clones.stderr +++ b/tests/ui/assigning_clones.stderr @@ -62,64 +62,88 @@ LL | *mut_thing = (ref_thing + ref_thing).clone(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_from()`: `mut_thing.clone_from(ref_thing + ref_thing)` error: assigning the result of `Clone::clone()` may be inefficient - --> tests/ui/assigning_clones.rs:68:9 + --> tests/ui/assigning_clones.rs:67:5 + | +LL | s = format!("{} {}", "hello", "world").clone(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_from()`: `s.clone_from(&format!("{} {}", "hello", "world"))` + +error: assigning the result of `Clone::clone()` may be inefficient + --> tests/ui/assigning_clones.rs:72:5 + | +LL | s = Clone::clone(&format!("{} {}", "hello", "world")); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_from()`: `Clone::clone_from(&mut s, &format!("{} {}", "hello", "world"))` + +error: assigning the result of `Clone::clone()` may be inefficient + --> tests/ui/assigning_clones.rs:78:9 | LL | a = b.clone(); | ^^^^^^^^^^^^^ help: use `clone_from()`: `a.clone_from(&b)` error: assigning the result of `Clone::clone()` may be inefficient - --> tests/ui/assigning_clones.rs:133:5 + --> tests/ui/assigning_clones.rs:149:5 | LL | a = b.clone(); | ^^^^^^^^^^^^^ help: use `clone_from()`: `a.clone_from(&b)` error: assigning the result of `Clone::clone()` may be inefficient - --> tests/ui/assigning_clones.rs:140:5 + --> tests/ui/assigning_clones.rs:156:5 | LL | a = b.clone(); | ^^^^^^^^^^^^^ help: use `clone_from()`: `a.clone_from(&b)` error: assigning the result of `ToOwned::to_owned()` may be inefficient - --> tests/ui/assigning_clones.rs:141:5 + --> tests/ui/assigning_clones.rs:157:5 | LL | a = c.to_owned(); | ^^^^^^^^^^^^^^^^ help: use `clone_into()`: `c.clone_into(&mut a)` error: assigning the result of `ToOwned::to_owned()` may be inefficient - --> tests/ui/assigning_clones.rs:171:5 + --> tests/ui/assigning_clones.rs:187:5 | LL | *mut_string = ref_str.to_owned(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_into()`: `ref_str.clone_into(mut_string)` error: assigning the result of `ToOwned::to_owned()` may be inefficient - --> tests/ui/assigning_clones.rs:175:5 + --> tests/ui/assigning_clones.rs:191:5 | LL | mut_string = ref_str.to_owned(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_into()`: `ref_str.clone_into(&mut mut_string)` error: assigning the result of `ToOwned::to_owned()` may be inefficient - --> tests/ui/assigning_clones.rs:196:5 + --> tests/ui/assigning_clones.rs:212:5 | LL | **mut_box_string = ref_str.to_owned(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_into()`: `ref_str.clone_into(&mut (*mut_box_string))` error: assigning the result of `ToOwned::to_owned()` may be inefficient - --> tests/ui/assigning_clones.rs:200:5 + --> tests/ui/assigning_clones.rs:216:5 | LL | **mut_box_string = ref_str.to_owned(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_into()`: `ref_str.clone_into(&mut (*mut_box_string))` error: assigning the result of `ToOwned::to_owned()` may be inefficient - --> tests/ui/assigning_clones.rs:204:5 + --> tests/ui/assigning_clones.rs:220:5 | LL | *mut_thing = ToOwned::to_owned(ref_str); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_into()`: `ToOwned::clone_into(ref_str, mut_thing)` error: assigning the result of `ToOwned::to_owned()` may be inefficient - --> tests/ui/assigning_clones.rs:208:5 + --> tests/ui/assigning_clones.rs:224:5 | LL | mut_thing = ToOwned::to_owned(ref_str); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_into()`: `ToOwned::clone_into(ref_str, &mut mut_thing)` -error: aborting due to 20 previous errors +error: assigning the result of `ToOwned::to_owned()` may be inefficient + --> tests/ui/assigning_clones.rs:229:5 + | +LL | s = format!("{} {}", "hello", "world").to_owned(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_into()`: `format!("{} {}", "hello", "world").clone_into(&mut s)` + +error: assigning the result of `ToOwned::to_owned()` may be inefficient + --> tests/ui/assigning_clones.rs:234:5 + | +LL | s = ToOwned::to_owned(&format!("{} {}", "hello", "world")); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_into()`: `ToOwned::clone_into(&format!("{} {}", "hello", "world"), &mut s)` + +error: aborting due to 24 previous errors diff --git a/tests/ui/doc/doc_lazy_blockquote.fixed b/tests/ui/doc/doc_lazy_blockquote.fixed new file mode 100644 index 000000000000..9877991f183a --- /dev/null +++ b/tests/ui/doc/doc_lazy_blockquote.fixed @@ -0,0 +1,47 @@ +#![warn(clippy::doc_lazy_continuation)] + +/// > blockquote with +/// > lazy continuation +//~^ ERROR: doc quote missing `>` marker +fn first() {} + +/// > blockquote with no +/// > lazy continuation +fn first_nowarn() {} + +/// > blockquote with no +/// +/// lazy continuation +fn two_nowarn() {} + +/// > nest here +/// > +/// > > nest here +/// > > lazy continuation +//~^ ERROR: doc quote missing `>` marker +fn two() {} + +/// > nest here +/// > +/// > > nest here +/// > > lazy continuation +//~^ ERROR: doc quote missing `>` marker +fn three() {} + +/// > * > nest here +/// > > lazy continuation +//~^ ERROR: doc quote missing `>` marker +fn four() {} + +/// > * > nest here +/// > > lazy continuation +//~^ ERROR: doc quote missing `>` marker +fn four_point_1() {} + +/// * > nest here lazy continuation +fn five() {} + +/// 1. > nest here +/// > lazy continuation (this results in strange indentation, but still works) +//~^ ERROR: doc quote missing `>` marker +fn six() {} diff --git a/tests/ui/doc/doc_lazy_blockquote.rs b/tests/ui/doc/doc_lazy_blockquote.rs new file mode 100644 index 000000000000..587b2fdd533c --- /dev/null +++ b/tests/ui/doc/doc_lazy_blockquote.rs @@ -0,0 +1,47 @@ +#![warn(clippy::doc_lazy_continuation)] + +/// > blockquote with +/// lazy continuation +//~^ ERROR: doc quote missing `>` marker +fn first() {} + +/// > blockquote with no +/// > lazy continuation +fn first_nowarn() {} + +/// > blockquote with no +/// +/// lazy continuation +fn two_nowarn() {} + +/// > nest here +/// > +/// > > nest here +/// > lazy continuation +//~^ ERROR: doc quote missing `>` marker +fn two() {} + +/// > nest here +/// > +/// > > nest here +/// lazy continuation +//~^ ERROR: doc quote missing `>` marker +fn three() {} + +/// > * > nest here +/// lazy continuation +//~^ ERROR: doc quote missing `>` marker +fn four() {} + +/// > * > nest here +/// lazy continuation +//~^ ERROR: doc quote missing `>` marker +fn four_point_1() {} + +/// * > nest here lazy continuation +fn five() {} + +/// 1. > nest here +/// lazy continuation (this results in strange indentation, but still works) +//~^ ERROR: doc quote missing `>` marker +fn six() {} diff --git a/tests/ui/doc/doc_lazy_blockquote.stderr b/tests/ui/doc/doc_lazy_blockquote.stderr new file mode 100644 index 000000000000..975184a01c3f --- /dev/null +++ b/tests/ui/doc/doc_lazy_blockquote.stderr @@ -0,0 +1,76 @@ +error: doc quote missing `>` marker + --> tests/ui/doc/doc_lazy_blockquote.rs:4:5 + | +LL | /// lazy continuation + | ^ + | + = help: if this not intended to be a quote at all, escape it with `\>` + = note: `-D clippy::doc-lazy-continuation` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::doc_lazy_continuation)]` +help: add markers to start of line + | +LL | /// > lazy continuation + | + + +error: doc quote missing `>` marker + --> tests/ui/doc/doc_lazy_blockquote.rs:20:5 + | +LL | /// > lazy continuation + | ^^ + | + = help: if this not intended to be a quote at all, escape it with `\>` +help: add markers to start of line + | +LL | /// > > lazy continuation + | + + +error: doc quote missing `>` marker + --> tests/ui/doc/doc_lazy_blockquote.rs:27:5 + | +LL | /// lazy continuation + | ^ + | + = help: if this not intended to be a quote at all, escape it with `\>` +help: add markers to start of line + | +LL | /// > > lazy continuation + | +++ + +error: doc quote missing `>` marker + --> tests/ui/doc/doc_lazy_blockquote.rs:32:5 + | +LL | /// lazy continuation + | ^ + | + = help: if this not intended to be a quote at all, escape it with `\>` +help: add markers to start of line + | +LL | /// > > lazy continuation + | +++++++ + +error: doc quote missing `>` marker + --> tests/ui/doc/doc_lazy_blockquote.rs:37:5 + | +LL | /// lazy continuation + | ^ + | + = help: if this not intended to be a quote at all, escape it with `\>` +help: add markers to start of line + | +LL | /// > > lazy continuation + | +++++ + +error: doc quote missing `>` marker + --> tests/ui/doc/doc_lazy_blockquote.rs:45:5 + | +LL | /// lazy continuation (this results in strange indentation, but still works) + | ^ + | + = help: if this not intended to be a quote at all, escape it with `\>` +help: add markers to start of line + | +LL | /// > lazy continuation (this results in strange indentation, but still works) + | + + +error: aborting due to 6 previous errors + diff --git a/tests/ui/doc/doc_lazy_list.fixed b/tests/ui/doc/doc_lazy_list.fixed new file mode 100644 index 000000000000..409e6b0bc227 --- /dev/null +++ b/tests/ui/doc/doc_lazy_list.fixed @@ -0,0 +1,77 @@ +#![warn(clippy::doc_lazy_continuation)] + +/// 1. nest here +/// lazy continuation +//~^ ERROR: doc list item missing indentation +fn one() {} + +/// 1. first line +/// lazy list continuations don't make warnings with this lint +//~^ ERROR: doc list item missing indentation +/// because they don't have the +//~^ ERROR: doc list item missing indentation +fn two() {} + +/// - nest here +/// lazy continuation +//~^ ERROR: doc list item missing indentation +fn three() {} + +/// - first line +/// lazy list continuations don't make warnings with this lint +//~^ ERROR: doc list item missing indentation +/// because they don't have the +//~^ ERROR: doc list item missing indentation +fn four() {} + +/// - nest here +/// lazy continuation +//~^ ERROR: doc list item missing indentation +fn five() {} + +/// - - first line +/// this will warn on the lazy continuation +//~^ ERROR: doc list item missing indentation +/// and so should this +//~^ ERROR: doc list item missing indentation +fn six() {} + +/// - - first line +/// +/// this is not a lazy continuation +fn seven() {} + +#[rustfmt::skip] +// https://github.com/rust-lang/rust-clippy/pull/12770#issuecomment-2118601768 +/// Returns a list of ProtocolDescriptors from a Serde JSON input. +/// +/// Defined Protocol Identifiers for the Protocol Descriptor +/// We intentionally omit deprecated profile identifiers. +/// From Bluetooth Assigned Numbers: +/// https://www.bluetooth.com/specifications/assigned-numbers/service-discovery +/// +/// # Arguments +/// * `protocol_descriptors`: A Json Representation of the ProtocolDescriptors +/// to set up. Example: +/// 'protocol_descriptors': [ +//~^ ERROR: doc list item missing indentation +/// { +/// 'protocol': 25, # u64 Representation of ProtocolIdentifier::AVDTP +/// 'params': [ +/// { +/// 'data': 0x0103 # to indicate 1.3 +/// }, +/// { +/// 'data': 0x0105 # to indicate 1.5 +/// } +/// ] +/// }, +/// { +/// 'protocol': 1, # u64 Representation of ProtocolIdentifier::SDP +/// 'params': [{ +/// 'data': 0x0019 +/// }] +/// } +/// ] +//~^ ERROR: doc list item missing indentation +fn eight() {} diff --git a/tests/ui/doc/doc_lazy_list.rs b/tests/ui/doc/doc_lazy_list.rs new file mode 100644 index 000000000000..30ab448a1130 --- /dev/null +++ b/tests/ui/doc/doc_lazy_list.rs @@ -0,0 +1,77 @@ +#![warn(clippy::doc_lazy_continuation)] + +/// 1. nest here +/// lazy continuation +//~^ ERROR: doc list item missing indentation +fn one() {} + +/// 1. first line +/// lazy list continuations don't make warnings with this lint +//~^ ERROR: doc list item missing indentation +/// because they don't have the +//~^ ERROR: doc list item missing indentation +fn two() {} + +/// - nest here +/// lazy continuation +//~^ ERROR: doc list item missing indentation +fn three() {} + +/// - first line +/// lazy list continuations don't make warnings with this lint +//~^ ERROR: doc list item missing indentation +/// because they don't have the +//~^ ERROR: doc list item missing indentation +fn four() {} + +/// - nest here +/// lazy continuation +//~^ ERROR: doc list item missing indentation +fn five() {} + +/// - - first line +/// this will warn on the lazy continuation +//~^ ERROR: doc list item missing indentation +/// and so should this +//~^ ERROR: doc list item missing indentation +fn six() {} + +/// - - first line +/// +/// this is not a lazy continuation +fn seven() {} + +#[rustfmt::skip] +// https://github.com/rust-lang/rust-clippy/pull/12770#issuecomment-2118601768 +/// Returns a list of ProtocolDescriptors from a Serde JSON input. +/// +/// Defined Protocol Identifiers for the Protocol Descriptor +/// We intentionally omit deprecated profile identifiers. +/// From Bluetooth Assigned Numbers: +/// https://www.bluetooth.com/specifications/assigned-numbers/service-discovery +/// +/// # Arguments +/// * `protocol_descriptors`: A Json Representation of the ProtocolDescriptors +/// to set up. Example: +/// 'protocol_descriptors': [ +//~^ ERROR: doc list item missing indentation +/// { +/// 'protocol': 25, # u64 Representation of ProtocolIdentifier::AVDTP +/// 'params': [ +/// { +/// 'data': 0x0103 # to indicate 1.3 +/// }, +/// { +/// 'data': 0x0105 # to indicate 1.5 +/// } +/// ] +/// }, +/// { +/// 'protocol': 1, # u64 Representation of ProtocolIdentifier::SDP +/// 'params': [{ +/// 'data': 0x0019 +/// }] +/// } +/// ] +//~^ ERROR: doc list item missing indentation +fn eight() {} diff --git a/tests/ui/doc/doc_lazy_list.stderr b/tests/ui/doc/doc_lazy_list.stderr new file mode 100644 index 000000000000..ddfdc49340c4 --- /dev/null +++ b/tests/ui/doc/doc_lazy_list.stderr @@ -0,0 +1,136 @@ +error: doc list item missing indentation + --> tests/ui/doc/doc_lazy_list.rs:4:5 + | +LL | /// lazy continuation + | ^ + | + = help: if this is supposed to be its own paragraph, add a blank line + = note: `-D clippy::doc-lazy-continuation` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::doc_lazy_continuation)]` +help: indent this line + | +LL | /// lazy continuation + | +++ + +error: doc list item missing indentation + --> tests/ui/doc/doc_lazy_list.rs:9:5 + | +LL | /// lazy list continuations don't make warnings with this lint + | ^ + | + = help: if this is supposed to be its own paragraph, add a blank line +help: indent this line + | +LL | /// lazy list continuations don't make warnings with this lint + | +++ + +error: doc list item missing indentation + --> tests/ui/doc/doc_lazy_list.rs:11:5 + | +LL | /// because they don't have the + | ^ + | + = help: if this is supposed to be its own paragraph, add a blank line +help: indent this line + | +LL | /// because they don't have the + | +++ + +error: doc list item missing indentation + --> tests/ui/doc/doc_lazy_list.rs:16:5 + | +LL | /// lazy continuation + | ^ + | + = help: if this is supposed to be its own paragraph, add a blank line +help: indent this line + | +LL | /// lazy continuation + | ++++ + +error: doc list item missing indentation + --> tests/ui/doc/doc_lazy_list.rs:21:5 + | +LL | /// lazy list continuations don't make warnings with this lint + | ^ + | + = help: if this is supposed to be its own paragraph, add a blank line +help: indent this line + | +LL | /// lazy list continuations don't make warnings with this lint + | ++++ + +error: doc list item missing indentation + --> tests/ui/doc/doc_lazy_list.rs:23:5 + | +LL | /// because they don't have the + | ^ + | + = help: if this is supposed to be its own paragraph, add a blank line +help: indent this line + | +LL | /// because they don't have the + | ++++ + +error: doc list item missing indentation + --> tests/ui/doc/doc_lazy_list.rs:28:5 + | +LL | /// lazy continuation + | ^ + | + = help: if this is supposed to be its own paragraph, add a blank line +help: indent this line + | +LL | /// lazy continuation + | ++++ + +error: doc list item missing indentation + --> tests/ui/doc/doc_lazy_list.rs:33:5 + | +LL | /// this will warn on the lazy continuation + | ^ + | + = help: if this is supposed to be its own paragraph, add a blank line +help: indent this line + | +LL | /// this will warn on the lazy continuation + | ++++++ + +error: doc list item missing indentation + --> tests/ui/doc/doc_lazy_list.rs:35:5 + | +LL | /// and so should this + | ^^^^ + | + = help: if this is supposed to be its own paragraph, add a blank line +help: indent this line + | +LL | /// and so should this + | ++ + +error: doc list item missing indentation + --> tests/ui/doc/doc_lazy_list.rs:56:5 + | +LL | /// 'protocol_descriptors': [ + | ^ + | + = help: if this is supposed to be its own paragraph, add a blank line +help: indent this line + | +LL | /// 'protocol_descriptors': [ + | + + +error: doc list item missing indentation + --> tests/ui/doc/doc_lazy_list.rs:75:5 + | +LL | /// ] + | ^ + | + = help: if this is supposed to be its own paragraph, add a blank line +help: indent this line + | +LL | /// ] + | + + +error: aborting due to 11 previous errors + diff --git a/tests/ui/duplicated_attributes.rs b/tests/ui/duplicated_attributes.rs index d51e7e37beb6..97cf4a69682d 100644 --- a/tests/ui/duplicated_attributes.rs +++ b/tests/ui/duplicated_attributes.rs @@ -1,5 +1,5 @@ //@aux-build:proc_macro_attr.rs - +#![feature(rustc_attrs)] #![warn(clippy::duplicated_attributes)] #![cfg(any(unix, windows))] #![allow(dead_code)] @@ -20,6 +20,10 @@ fn foo() {} #[cfg(unix)] // cfgs are not handled fn bar() {} +// No warning: +#[rustc_on_unimplemented(on(_Self = "&str", label = "`a"), on(_Self = "alloc::string::String", label = "a"))] +trait Abc {} + #[proc_macro_attr::duplicated_attr()] // Should not warn! fn babar() {} diff --git a/tests/ui/from_str_radix_10.fixed b/tests/ui/from_str_radix_10.fixed index 8c253bfd99a5..f9ce1defda17 100644 --- a/tests/ui/from_str_radix_10.fixed +++ b/tests/ui/from_str_radix_10.fixed @@ -1,3 +1,4 @@ +#![feature(const_int_from_str)] #![warn(clippy::from_str_radix_10)] mod some_mod { @@ -59,3 +60,13 @@ fn main() -> Result<(), Box> { Ok(()) } + +fn issue_12732() { + const A: Result = u32::from_str_radix("123", 10); + const B: () = { + let _ = u32::from_str_radix("123", 10); + }; + const fn foo() { + let _ = u32::from_str_radix("123", 10); + } +} diff --git a/tests/ui/from_str_radix_10.rs b/tests/ui/from_str_radix_10.rs index e9d02215710c..2d5b351f8da3 100644 --- a/tests/ui/from_str_radix_10.rs +++ b/tests/ui/from_str_radix_10.rs @@ -1,3 +1,4 @@ +#![feature(const_int_from_str)] #![warn(clippy::from_str_radix_10)] mod some_mod { @@ -59,3 +60,13 @@ fn main() -> Result<(), Box> { Ok(()) } + +fn issue_12732() { + const A: Result = u32::from_str_radix("123", 10); + const B: () = { + let _ = u32::from_str_radix("123", 10); + }; + const fn foo() { + let _ = u32::from_str_radix("123", 10); + } +} diff --git a/tests/ui/from_str_radix_10.stderr b/tests/ui/from_str_radix_10.stderr index 4aa84eca2612..01a1bf8940a1 100644 --- a/tests/ui/from_str_radix_10.stderr +++ b/tests/ui/from_str_radix_10.stderr @@ -1,5 +1,5 @@ error: this call to `from_str_radix` can be replaced with a call to `str::parse` - --> tests/ui/from_str_radix_10.rs:28:5 + --> tests/ui/from_str_radix_10.rs:29:5 | LL | u32::from_str_radix("30", 10)?; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `"30".parse::()` @@ -8,43 +8,43 @@ LL | u32::from_str_radix("30", 10)?; = help: to override `-D warnings` add `#[allow(clippy::from_str_radix_10)]` error: this call to `from_str_radix` can be replaced with a call to `str::parse` - --> tests/ui/from_str_radix_10.rs:31:5 + --> tests/ui/from_str_radix_10.rs:32:5 | LL | i64::from_str_radix("24", 10)?; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `"24".parse::()` error: this call to `from_str_radix` can be replaced with a call to `str::parse` - --> tests/ui/from_str_radix_10.rs:33:5 + --> tests/ui/from_str_radix_10.rs:34:5 | LL | isize::from_str_radix("100", 10)?; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `"100".parse::()` error: this call to `from_str_radix` can be replaced with a call to `str::parse` - --> tests/ui/from_str_radix_10.rs:35:5 + --> tests/ui/from_str_radix_10.rs:36:5 | LL | u8::from_str_radix("7", 10)?; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `"7".parse::()` error: this call to `from_str_radix` can be replaced with a call to `str::parse` - --> tests/ui/from_str_radix_10.rs:37:5 + --> tests/ui/from_str_radix_10.rs:38:5 | LL | u16::from_str_radix(&("10".to_owned() + "5"), 10)?; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `("10".to_owned() + "5").parse::()` error: this call to `from_str_radix` can be replaced with a call to `str::parse` - --> tests/ui/from_str_radix_10.rs:39:5 + --> tests/ui/from_str_radix_10.rs:40:5 | LL | i128::from_str_radix(Test + Test, 10)?; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(Test + Test).parse::()` error: this call to `from_str_radix` can be replaced with a call to `str::parse` - --> tests/ui/from_str_radix_10.rs:43:5 + --> tests/ui/from_str_radix_10.rs:44:5 | LL | i32::from_str_radix(string, 10)?; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `string.parse::()` error: this call to `from_str_radix` can be replaced with a call to `str::parse` - --> tests/ui/from_str_radix_10.rs:47:5 + --> tests/ui/from_str_radix_10.rs:48:5 | LL | i32::from_str_radix(&stringier, 10)?; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `stringier.parse::()` diff --git a/tests/ui/match_same_arms.stderr b/tests/ui/match_same_arms.stderr index a926570b60ad..3c0382767c3f 100644 --- a/tests/ui/match_same_arms.stderr +++ b/tests/ui/match_same_arms.stderr @@ -2,7 +2,7 @@ error: this match arm has an identical body to the `_` wildcard arm --> tests/ui/match_same_arms.rs:12:9 | LL | Abc::A => 0, - | ^^^^^^^^^^^ help: try removing the arm + | ^^^^^^^^^^^^^ help: try removing the arm | = help: or try changing either arm body note: `_` wildcard arm here @@ -17,106 +17,114 @@ error: this match arm has an identical body to another arm --> tests/ui/match_same_arms.rs:18:9 | LL | (1, .., 3) => 42, - | ----------^^^^^^ - | | - | help: try merging the arm patterns: `(1, .., 3) | (.., 3)` + | ^^^^^^^^^^^^^^^^ | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms.rs:19:9 + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | (1, .., 3) | (.., 3) => 42, + | ~~~~~~~~~~~~~~~~~~~~ +help: and remove this obsolete arm + | +LL - (.., 3) => 42, | -LL | (.., 3) => 42, - | ^^^^^^^^^^^^^ error: this match arm has an identical body to another arm --> tests/ui/match_same_arms.rs:25:9 | LL | 51 => 1, - | --^^^^^ - | | - | help: try merging the arm patterns: `51 | 42` - | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms.rs:24:9 - | -LL | 42 => 1, | ^^^^^^^ + | + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | 51 | 42 => 1, + | ~~~~~~~ +help: and remove this obsolete arm + | +LL - 42 => 1, + | error: this match arm has an identical body to another arm --> tests/ui/match_same_arms.rs:26:9 | LL | 41 => 2, - | --^^^^^ - | | - | help: try merging the arm patterns: `41 | 52` - | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms.rs:27:9 - | -LL | 52 => 2, | ^^^^^^^ + | + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | 41 | 52 => 2, + | ~~~~~~~ +help: and remove this obsolete arm + | +LL - 52 => 2, + | error: this match arm has an identical body to another arm --> tests/ui/match_same_arms.rs:33:9 | LL | 2 => 2, - | -^^^^^ - | | - | help: try merging the arm patterns: `2 | 1` - | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms.rs:32:9 - | -LL | 1 => 2, | ^^^^^^ + | + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | 2 | 1 => 2, + | ~~~~~ +help: and remove this obsolete arm + | +LL - 1 => 2, + | error: this match arm has an identical body to another arm --> tests/ui/match_same_arms.rs:35:9 | LL | 3 => 2, - | -^^^^^ - | | - | help: try merging the arm patterns: `3 | 1` - | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms.rs:32:9 - | -LL | 1 => 2, | ^^^^^^ + | + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | 3 | 1 => 2, + | ~~~~~ +help: and remove this obsolete arm + | +LL - 1 => 2, + | error: this match arm has an identical body to another arm --> tests/ui/match_same_arms.rs:33:9 | LL | 2 => 2, - | -^^^^^ - | | - | help: try merging the arm patterns: `2 | 3` - | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms.rs:35:9 - | -LL | 3 => 2, | ^^^^^^ + | + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | 2 | 3 => 2, + | ~~~~~ +help: and remove this obsolete arm + | +LL - 3 => 2, +LL + + | error: this match arm has an identical body to another arm --> tests/ui/match_same_arms.rs:52:17 | LL | CommandInfo::External { name, .. } => name.to_string(), - | ----------------------------------^^^^^^^^^^^^^^^^^^^^ - | | - | help: try merging the arm patterns: `CommandInfo::External { name, .. } | CommandInfo::BuiltIn { name, .. }` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms.rs:51:17 + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | CommandInfo::External { name, .. } | CommandInfo::BuiltIn { name, .. } => name.to_string(), + | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +help: and remove this obsolete arm + | +LL - CommandInfo::BuiltIn { name, .. } => name.to_string(), | -LL | CommandInfo::BuiltIn { name, .. } => name.to_string(), - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to 8 previous errors diff --git a/tests/ui/match_same_arms2.fixed b/tests/ui/match_same_arms2.fixed new file mode 100644 index 000000000000..fba0cf33b3c2 --- /dev/null +++ b/tests/ui/match_same_arms2.fixed @@ -0,0 +1,241 @@ +#![warn(clippy::match_same_arms)] +#![allow( + clippy::disallowed_names, + clippy::diverging_sub_expression, + clippy::uninlined_format_args, + clippy::match_single_binding, + clippy::match_like_matches_macro +)] +fn bar(_: T) {} +fn foo() -> bool { + unimplemented!() +} + +fn match_same_arms() { + let _ = match 42 { + _ => { + foo(); + let mut a = 42 + [23].len() as i32; + if true { + a += 7; + } + a = -31 - a; + a + }, + }; + //~^^^^^^^^^^^^^^^^^^^ ERROR: this match arm has an identical body to the `_` wildcard arm + + let _ = match 42 { + 51 | 42 => foo(), //~ ERROR: this match arm has an identical body to another arm + _ => true, + }; + + let _ = match Some(42) { + None | Some(_) => 24, //~ ERROR: this match arm has an identical body to another arm + }; + + let _ = match Some(42) { + Some(foo) => 24, + None => 24, + }; + + let _ = match Some(42) { + Some(42) => 24, + Some(a) => 24, // bindings are different + None => 0, + }; + + let _ = match Some(42) { + Some(a) if a > 0 => 24, + Some(a) => 24, // one arm has a guard + None => 0, + }; + + match (Some(42), Some(42)) { + (None, Some(a)) | (Some(a), None) => bar(a), //~ ERROR: this match arm has an identical body to another arm + _ => (), + } + + // No warning because guards are different + let _ = match Some(42) { + Some(a) if a == 42 => a, + Some(a) if a == 24 => a, + Some(_) => 24, + None => 0, + }; + + let _ = match (Some(42), Some(42)) { + (None, Some(a)) | (Some(a), None) if a == 42 => a, //~ ERROR: this match arm has an identical body to another arm + _ => 0, + }; + + match (Some(42), Some(42)) { + (Some(a), ..) | (.., Some(a)) => bar(a), //~ ERROR: this match arm has an identical body to another arm + _ => (), + } + + let _ = match Some(()) { + Some(()) => 0.0, + None => -0.0, + }; + + match (Some(42), Some("")) { + (Some(a), None) => bar(a), + (None, Some(a)) => bar(a), // bindings have different types + _ => (), + } + + let x: Result = Ok(3); + + // No warning because of the guard. + match x { + Ok(x) if x * x == 64 => println!("ok"), + Ok(_) => println!("ok"), + Err(_) => println!("err"), + } + + // This used to be a false positive; see issue #1996. + match x { + Ok(3) => println!("ok"), + Ok(x) if x * x == 64 => println!("ok 64"), + Ok(_) => println!("ok"), + Err(_) => println!("err"), + } + + match (x, Some(1i32)) { + (Ok(x), Some(_)) | (Ok(_), Some(x)) => println!("ok {}", x), //~ ERROR: this match arm has an identical body to another arm + _ => println!("err"), + } + + // No warning; different types for `x`. + match (x, Some(1.0f64)) { + (Ok(x), Some(_)) => println!("ok {}", x), + (Ok(_), Some(x)) => println!("ok {}", x), + _ => println!("err"), + } + + // False negative #2251. + match x { + Ok(_tmp) => println!("ok"), + Ok(_) | Ok(3) => println!("ok"), //~ ERROR: this match arm has an identical body to another arm + Err(_) => { + unreachable!(); + }, + } + + // False positive #1390 + macro_rules! empty { + ($e:expr) => {}; + } + match 0 { + 0 => { + empty!(0); + }, + 1 => { + empty!(1); + }, + x => { + empty!(x); + }, + }; + + // still lint if the tokens are the same + match 0 { + 1 | 0 => { + empty!(0); + }, + x => { + empty!(x); + }, + } + //~^^^^^^^ ERROR: this match arm has an identical body to another arm + + match_expr_like_matches_macro_priority(); +} + +fn match_expr_like_matches_macro_priority() { + enum E { + A, + B, + C, + } + let x = E::A; + let _ans = match x { + E::A => false, + E::B => false, + _ => true, + }; +} + +fn main() { + let _ = match Some(0) { + Some(0) => 0, + Some(1) => 1, + #[cfg(feature = "foo")] + Some(2) => 2, + _ => 1, + }; + + enum Foo { + X(u32), + Y(u32), + Z(u32), + } + + // Don't lint. `Foo::X(0)` and `Foo::Z(_)` overlap with the arm in between. + let _ = match Foo::X(0) { + Foo::X(0) => 1, + Foo::X(_) | Foo::Y(_) | Foo::Z(0) => 2, + Foo::Z(_) => 1, + _ => 0, + }; + + // Suggest moving `Foo::Z(_)` up. + let _ = match Foo::X(0) { + Foo::X(0) | Foo::Z(_) => 1, //~ ERROR: this match arm has an identical body to another arm + Foo::X(_) | Foo::Y(_) => 2, + _ => 0, + }; + + // Suggest moving `Foo::X(0)` down. + let _ = match Foo::X(0) { + Foo::Y(_) | Foo::Z(0) => 2, + Foo::Z(_) | Foo::X(0) => 1, //~ ERROR: this match arm has an identical body to another arm + _ => 0, + }; + + // Don't lint. + let _ = match 0 { + -2 => 1, + -5..=50 => 2, + -150..=88 => 1, + _ => 3, + }; + + struct Bar { + x: u32, + y: u32, + z: u32, + } + + // Lint. + let _ = match None { + Some(Bar { y: 10, z: 0, .. }) => 2, + None => 50, + Some(Bar { y: 0, x: 5, .. }) | Some(Bar { x: 0, y: 5, .. }) => 1, //~ ERROR: this match arm has an identical body to another arm + _ => 200, + }; + + let _ = match 0 { + 0 => todo!(), + 1 => todo!(), + 2 => core::convert::identity::(todo!()), + 3 => core::convert::identity::(todo!()), + _ => 5, + }; + + let _ = match 0 { + 1 | 0 => cfg!(not_enable), + _ => false, + }; +} diff --git a/tests/ui/match_same_arms2.rs b/tests/ui/match_same_arms2.rs index 85ad0962eb4b..8a4e3b325bbf 100644 --- a/tests/ui/match_same_arms2.rs +++ b/tests/ui/match_same_arms2.rs @@ -2,9 +2,10 @@ #![allow( clippy::disallowed_names, clippy::diverging_sub_expression, - clippy::uninlined_format_args + clippy::uninlined_format_args, + clippy::match_single_binding, + clippy::match_like_matches_macro )] -//@no-rustfix fn bar(_: T) {} fn foo() -> bool { unimplemented!() diff --git a/tests/ui/match_same_arms2.stderr b/tests/ui/match_same_arms2.stderr index f4c38c1af897..3d15176ccf99 100644 --- a/tests/ui/match_same_arms2.stderr +++ b/tests/ui/match_same_arms2.stderr @@ -1,18 +1,18 @@ error: this match arm has an identical body to the `_` wildcard arm - --> tests/ui/match_same_arms2.rs:15:9 + --> tests/ui/match_same_arms2.rs:16:9 | LL | / 42 => { LL | | foo(); LL | | let mut a = 42 + [23].len() as i32; LL | | if true { ... | -LL | | a LL | | }, - | |_________^ help: try removing the arm +LL | | _ => { + | |________^ help: try removing the arm | = help: or try changing either arm body note: `_` wildcard arm here - --> tests/ui/match_same_arms2.rs:24:9 + --> tests/ui/match_same_arms2.rs:25:9 | LL | / _ => { LL | | foo(); @@ -26,203 +26,200 @@ LL | | }, = help: to override `-D warnings` add `#[allow(clippy::match_same_arms)]` error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:38:9 + --> tests/ui/match_same_arms2.rs:39:9 | LL | 51 => foo(), - | --^^^^^^^^^ - | | - | help: try merging the arm patterns: `51 | 42` - | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms2.rs:37:9 - | -LL | 42 => foo(), | ^^^^^^^^^^^ + | + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | 51 | 42 => foo(), + | ~~~~~~~ +help: and remove this obsolete arm + | +LL - 42 => foo(), + | error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:44:9 + --> tests/ui/match_same_arms2.rs:45:9 | LL | None => 24, - | ----^^^^^^ - | | - | help: try merging the arm patterns: `None | Some(_)` + | ^^^^^^^^^^ | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms2.rs:43:9 + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | None | Some(_) => 24, + | ~~~~~~~~~~~~~~ +help: and remove this obsolete arm + | +LL - Some(_) => 24, | -LL | Some(_) => 24, - | ^^^^^^^^^^^^^ error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:66:9 + --> tests/ui/match_same_arms2.rs:67:9 | LL | (None, Some(a)) => bar(a), - | ---------------^^^^^^^^^^ - | | - | help: try merging the arm patterns: `(None, Some(a)) | (Some(a), None)` - | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms2.rs:65:9 - | -LL | (Some(a), None) => bar(a), | ^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | (None, Some(a)) | (Some(a), None) => bar(a), + | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +help: and remove this obsolete arm + | +LL - (Some(a), None) => bar(a), + | error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:80:9 + --> tests/ui/match_same_arms2.rs:81:9 | LL | (None, Some(a)) if a == 42 => a, - | ---------------^^^^^^^^^^^^^^^^ - | | - | help: try merging the arm patterns: `(None, Some(a)) | (Some(a), None)` - | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms2.rs:79:9 - | -LL | (Some(a), None) if a == 42 => a, | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | (None, Some(a)) | (Some(a), None) if a == 42 => a, + | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +help: and remove this obsolete arm + | +LL - (Some(a), None) if a == 42 => a, + | error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:85:9 - | -LL | (Some(a), ..) => bar(a), - | -------------^^^^^^^^^^ - | | - | help: try merging the arm patterns: `(Some(a), ..) | (.., Some(a))` - | - = help: or try changing either arm body -note: other arm here --> tests/ui/match_same_arms2.rs:86:9 | -LL | (.., Some(a)) => bar(a), +LL | (Some(a), ..) => bar(a), | ^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | (Some(a), ..) | (.., Some(a)) => bar(a), + | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +help: and remove this obsolete arm + | +LL - (.., Some(a)) => bar(a), + | error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:119:9 - | -LL | (Ok(x), Some(_)) => println!("ok {}", x), - | ----------------^^^^^^^^^^^^^^^^^^^^^^^^ - | | - | help: try merging the arm patterns: `(Ok(x), Some(_)) | (Ok(_), Some(x))` - | - = help: or try changing either arm body -note: other arm here --> tests/ui/match_same_arms2.rs:120:9 | -LL | (Ok(_), Some(x)) => println!("ok {}", x), +LL | (Ok(x), Some(_)) => println!("ok {}", x), | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | (Ok(x), Some(_)) | (Ok(_), Some(x)) => println!("ok {}", x), + | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +help: and remove this obsolete arm + | +LL - (Ok(_), Some(x)) => println!("ok {}", x), + | error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:135:9 + --> tests/ui/match_same_arms2.rs:136:9 | LL | Ok(_) => println!("ok"), - | -----^^^^^^^^^^^^^^^^^^ - | | - | help: try merging the arm patterns: `Ok(_) | Ok(3)` - | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms2.rs:134:9 - | -LL | Ok(3) => println!("ok"), | ^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | Ok(_) | Ok(3) => println!("ok"), + | ~~~~~~~~~~~~~ +help: and remove this obsolete arm + | +LL - Ok(3) => println!("ok"), + | error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:162:9 + --> tests/ui/match_same_arms2.rs:163:9 | -LL | 1 => { - | ^ help: try merging the arm patterns: `1 | 0` - | _________| - | | +LL | / 1 => { LL | | empty!(0); LL | | }, | |_________^ | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms2.rs:159:9 + = help: try changing either arm body +help: or try merging the arm patterns | -LL | / 0 => { -LL | | empty!(0); -LL | | }, - | |_________^ - -error: match expression looks like `matches!` macro - --> tests/ui/match_same_arms2.rs:181:16 +LL | 1 | 0 => { + | ~~~~~ +help: and remove this obsolete arm | -LL | let _ans = match x { - | ________________^ -LL | | E::A => false, -LL | | E::B => false, -LL | | _ => true, -LL | | }; - | |_____^ help: try: `!matches!(x, E::A | E::B)` +LL - 0 => { +LL - empty!(0); +LL - }, | - = note: `-D clippy::match-like-matches-macro` implied by `-D warnings` - = help: to override `-D warnings` add `#[allow(clippy::match_like_matches_macro)]` error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:213:9 - | -LL | Foo::X(0) => 1, - | ---------^^^^^ - | | - | help: try merging the arm patterns: `Foo::X(0) | Foo::Z(_)` - | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms2.rs:215:9 - | -LL | Foo::Z(_) => 1, - | ^^^^^^^^^^^^^^ - -error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:223:9 - | -LL | Foo::Z(_) => 1, - | ---------^^^^^ - | | - | help: try merging the arm patterns: `Foo::Z(_) | Foo::X(0)` - | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms2.rs:221:9 + --> tests/ui/match_same_arms2.rs:214:9 | LL | Foo::X(0) => 1, | ^^^^^^^^^^^^^^ + | + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | Foo::X(0) | Foo::Z(_) => 1, + | ~~~~~~~~~~~~~~~~~~~~~ +help: and remove this obsolete arm + | +LL - Foo::Z(_) => 1, + | error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:246:9 + --> tests/ui/match_same_arms2.rs:224:9 + | +LL | Foo::Z(_) => 1, + | ^^^^^^^^^^^^^^ + | + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | Foo::Z(_) | Foo::X(0) => 1, + | ~~~~~~~~~~~~~~~~~~~~~ +help: and remove this obsolete arm + | +LL - Foo::X(0) => 1, + | + +error: this match arm has an identical body to another arm + --> tests/ui/match_same_arms2.rs:247:9 | LL | Some(Bar { y: 0, x: 5, .. }) => 1, - | ----------------------------^^^^^ - | | - | help: try merging the arm patterns: `Some(Bar { y: 0, x: 5, .. }) | Some(Bar { x: 0, y: 5, .. })` - | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms2.rs:243:9 - | -LL | Some(Bar { x: 0, y: 5, .. }) => 1, | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | Some(Bar { y: 0, x: 5, .. }) | Some(Bar { x: 0, y: 5, .. }) => 1, + | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +help: and remove this obsolete arm + | +LL - Some(Bar { x: 0, y: 5, .. }) => 1, + | error: this match arm has an identical body to another arm - --> tests/ui/match_same_arms2.rs:260:9 + --> tests/ui/match_same_arms2.rs:261:9 | LL | 1 => cfg!(not_enable), - | -^^^^^^^^^^^^^^^^^^^^ - | | - | help: try merging the arm patterns: `1 | 0` - | - = help: or try changing either arm body -note: other arm here - --> tests/ui/match_same_arms2.rs:259:9 - | -LL | 0 => cfg!(not_enable), | ^^^^^^^^^^^^^^^^^^^^^ + | + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | 1 | 0 => cfg!(not_enable), + | ~~~~~ +help: and remove this obsolete arm + | +LL - 0 => cfg!(not_enable), + | -error: aborting due to 14 previous errors +error: aborting due to 13 previous errors diff --git a/tests/ui/match_same_arms_non_exhaustive.fixed b/tests/ui/match_same_arms_non_exhaustive.fixed new file mode 100644 index 000000000000..804c0a869a9f --- /dev/null +++ b/tests/ui/match_same_arms_non_exhaustive.fixed @@ -0,0 +1,61 @@ +#![feature(non_exhaustive_omitted_patterns_lint)] +#![warn(clippy::match_same_arms)] +#![no_main] +use std::sync::atomic::Ordering; // #[non_exhaustive] enum + +fn repeat() -> ! { + panic!() +} + +pub fn f(x: Ordering) { + #[deny(non_exhaustive_omitted_patterns)] + match x { + Ordering::Relaxed => println!("relaxed"), + Ordering::Release => println!("release"), + Ordering::Acquire => println!("acquire"), + Ordering::AcqRel | Ordering::SeqCst => repeat(), + _ => repeat(), + } +} + +mod f { + #![deny(non_exhaustive_omitted_patterns)] + + use super::*; + + pub fn f(x: Ordering) { + match x { + Ordering::Relaxed => println!("relaxed"), + Ordering::Release => println!("release"), + Ordering::Acquire => println!("acquire"), + Ordering::AcqRel | Ordering::SeqCst => repeat(), + _ => repeat(), + } + } +} + +// Below should still lint + +pub fn g(x: Ordering) { + match x { + Ordering::Relaxed => println!("relaxed"), + Ordering::Release => println!("release"), + Ordering::Acquire => println!("acquire"), + //~^ ERROR: this match arm has an identical body to the `_` wildcard arm + _ => repeat(), + } +} + +mod g { + use super::*; + + pub fn g(x: Ordering) { + match x { + Ordering::Relaxed => println!("relaxed"), + Ordering::Release => println!("release"), + Ordering::Acquire => println!("acquire"), + //~^ ERROR: this match arm has an identical body to the `_` wildcard arm + _ => repeat(), + } + } +} diff --git a/tests/ui/match_same_arms_non_exhaustive.rs b/tests/ui/match_same_arms_non_exhaustive.rs index 5c277f925a8f..e50663932a1a 100644 --- a/tests/ui/match_same_arms_non_exhaustive.rs +++ b/tests/ui/match_same_arms_non_exhaustive.rs @@ -1,7 +1,6 @@ #![feature(non_exhaustive_omitted_patterns_lint)] #![warn(clippy::match_same_arms)] #![no_main] -//@no-rustfix use std::sync::atomic::Ordering; // #[non_exhaustive] enum fn repeat() -> ! { diff --git a/tests/ui/match_same_arms_non_exhaustive.stderr b/tests/ui/match_same_arms_non_exhaustive.stderr index cf2a75354e15..aa7f8c95dce8 100644 --- a/tests/ui/match_same_arms_non_exhaustive.stderr +++ b/tests/ui/match_same_arms_non_exhaustive.stderr @@ -1,12 +1,13 @@ error: this match arm has an identical body to the `_` wildcard arm - --> tests/ui/match_same_arms_non_exhaustive.rs:45:9 + --> tests/ui/match_same_arms_non_exhaustive.rs:44:9 | -LL | Ordering::AcqRel | Ordering::SeqCst => repeat(), - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the arm +LL | / Ordering::AcqRel | Ordering::SeqCst => repeat(), +LL | | + | |________^ help: try removing the arm | = help: or try changing either arm body note: `_` wildcard arm here - --> tests/ui/match_same_arms_non_exhaustive.rs:47:9 + --> tests/ui/match_same_arms_non_exhaustive.rs:46:9 | LL | _ => repeat(), | ^^^^^^^^^^^^^ @@ -14,14 +15,15 @@ LL | _ => repeat(), = help: to override `-D warnings` add `#[allow(clippy::match_same_arms)]` error: this match arm has an identical body to the `_` wildcard arm - --> tests/ui/match_same_arms_non_exhaustive.rs:59:13 + --> tests/ui/match_same_arms_non_exhaustive.rs:58:13 | -LL | Ordering::AcqRel | Ordering::SeqCst => repeat(), - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the arm +LL | / Ordering::AcqRel | Ordering::SeqCst => repeat(), +LL | | + | |____________^ help: try removing the arm | = help: or try changing either arm body note: `_` wildcard arm here - --> tests/ui/match_same_arms_non_exhaustive.rs:61:13 + --> tests/ui/match_same_arms_non_exhaustive.rs:60:13 | LL | _ => repeat(), | ^^^^^^^^^^^^^ diff --git a/tests/ui/missing_const_for_fn/cant_be_const.rs b/tests/ui/missing_const_for_fn/cant_be_const.rs index d026e009684a..2750e0cdf3f7 100644 --- a/tests/ui/missing_const_for_fn/cant_be_const.rs +++ b/tests/ui/missing_const_for_fn/cant_be_const.rs @@ -161,7 +161,23 @@ union U { f: u32, } -// Do not lint because accessing union fields from const functions is unstable +// Do not lint because accessing union fields from const functions is unstable in 1.55 +#[clippy::msrv = "1.55"] fn h(u: U) -> u32 { unsafe { u.f } } + +mod msrv { + struct Foo(*const u8, *mut u8); + + impl Foo { + #[clippy::msrv = "1.57"] + fn deref_ptr_cannot_be_const(self) -> usize { + unsafe { *self.0 as usize } + } + #[clippy::msrv = "1.58"] + fn deref_mut_ptr_cannot_be_const(self) -> usize { + unsafe { *self.1 as usize } + } + } +} diff --git a/tests/ui/missing_const_for_fn/could_be_const.rs b/tests/ui/missing_const_for_fn/could_be_const.rs index 12a8320c8f32..06dbbeb31c0d 100644 --- a/tests/ui/missing_const_for_fn/could_be_const.rs +++ b/tests/ui/missing_const_for_fn/could_be_const.rs @@ -113,3 +113,31 @@ impl const Drop for D { // Lint this, since it can be dropped in const contexts // FIXME(effects) fn d(this: D) {} + +mod msrv { + struct Foo(*const u8, &'static u8); + + impl Foo { + #[clippy::msrv = "1.58"] + fn deref_ptr_can_be_const(self) -> usize { + //~^ ERROR: this could be a `const fn` + unsafe { *self.0 as usize } + } + + fn deref_copied_val(self) -> usize { + //~^ ERROR: this could be a `const fn` + *self.1 as usize + } + } + + union Bar { + val: u8, + } + + #[clippy::msrv = "1.56"] + fn union_access_can_be_const() { + //~^ ERROR: this could be a `const fn` + let bar = Bar { val: 1 }; + let _ = unsafe { bar.val }; + } +} diff --git a/tests/ui/missing_const_for_fn/could_be_const.stderr b/tests/ui/missing_const_for_fn/could_be_const.stderr index 082459fd8212..b2cade305637 100644 --- a/tests/ui/missing_const_for_fn/could_be_const.stderr +++ b/tests/ui/missing_const_for_fn/could_be_const.stderr @@ -102,5 +102,33 @@ LL | | 46 LL | | } | |_^ -error: aborting due to 11 previous errors +error: this could be a `const fn` + --> tests/ui/missing_const_for_fn/could_be_const.rs:122:9 + | +LL | / fn deref_ptr_can_be_const(self) -> usize { +LL | | +LL | | unsafe { *self.0 as usize } +LL | | } + | |_________^ + +error: this could be a `const fn` + --> tests/ui/missing_const_for_fn/could_be_const.rs:127:9 + | +LL | / fn deref_copied_val(self) -> usize { +LL | | +LL | | *self.1 as usize +LL | | } + | |_________^ + +error: this could be a `const fn` + --> tests/ui/missing_const_for_fn/could_be_const.rs:138:5 + | +LL | / fn union_access_can_be_const() { +LL | | +LL | | let bar = Bar { val: 1 }; +LL | | let _ = unsafe { bar.val }; +LL | | } + | |_____^ + +error: aborting due to 14 previous errors diff --git a/tests/ui/missing_panics_doc.rs b/tests/ui/missing_panics_doc.rs index 0e1533fc1ab1..b0fa8e988598 100644 --- a/tests/ui/missing_panics_doc.rs +++ b/tests/ui/missing_panics_doc.rs @@ -191,3 +191,11 @@ fn from_declared_macro_should_lint_at_macrosite() { // Not here. some_macro_that_panics!() } + +pub fn issue_12760() { + const { + if N == 0 { + panic!(); + } + } +} diff --git a/tests/ui/needless_borrows_for_generic_args.fixed b/tests/ui/needless_borrows_for_generic_args.fixed index bd7a9a0b9840..5478372cbe00 100644 --- a/tests/ui/needless_borrows_for_generic_args.fixed +++ b/tests/ui/needless_borrows_for_generic_args.fixed @@ -141,8 +141,8 @@ fn main() { let f = |arg| { let loc = "loc".to_owned(); let _ = std::fs::write("x", &env); // Don't lint. In environment - let _ = std::fs::write("x", arg); - let _ = std::fs::write("x", loc); + let _ = std::fs::write("x", &arg); + let _ = std::fs::write("x", &loc); }; let _ = std::fs::write("x", &env); // Don't lint. Borrowed by `f` f(arg); @@ -158,13 +158,13 @@ fn main() { fn f(_: impl Debug) {} let x = X; - f(&x); // Don't lint. Has significant drop + f(&x); // Don't lint, not copy, passed by a reference to a variable } { fn f(_: impl AsRef) {} let x = String::new(); - f(x); + f(&x); } { fn f(_: impl AsRef) {} @@ -299,4 +299,38 @@ fn main() { check_str(&owner.0); // Don't lint. `owner` can't be partially moved because it impl Drop } } + { + #[derive(Debug)] + struct X(Vec); + + fn f(_: impl Debug) {} + + let x = X(vec![]); + f(&x); // Don't lint, makes x unavailable later + } + { + #[derive(Debug)] + struct X; + + impl Drop for X { + fn drop(&mut self) {} + } + + fn f(_: impl Debug) {} + + #[derive(Debug)] + struct Y(X); + + let y = Y(X); + f(&y); // Don't lint. Not copy, passed by a reference to value + } + { + fn f(_: impl AsRef) {} + let x = String::new(); + f(&x); // Don't lint, not a copy, makes it unavailable later + f(String::new()); // Lint, makes no difference + let y = "".to_owned(); + f(&y); // Don't lint + f("".to_owned()); // Lint + } } diff --git a/tests/ui/needless_borrows_for_generic_args.rs b/tests/ui/needless_borrows_for_generic_args.rs index 5cfd4ce30cc5..2643815d939b 100644 --- a/tests/ui/needless_borrows_for_generic_args.rs +++ b/tests/ui/needless_borrows_for_generic_args.rs @@ -158,7 +158,7 @@ fn main() { fn f(_: impl Debug) {} let x = X; - f(&x); // Don't lint. Has significant drop + f(&x); // Don't lint, not copy, passed by a reference to a variable } { fn f(_: impl AsRef) {} @@ -299,4 +299,38 @@ fn main() { check_str(&owner.0); // Don't lint. `owner` can't be partially moved because it impl Drop } } + { + #[derive(Debug)] + struct X(Vec); + + fn f(_: impl Debug) {} + + let x = X(vec![]); + f(&x); // Don't lint, makes x unavailable later + } + { + #[derive(Debug)] + struct X; + + impl Drop for X { + fn drop(&mut self) {} + } + + fn f(_: impl Debug) {} + + #[derive(Debug)] + struct Y(X); + + let y = Y(X); + f(&y); // Don't lint. Not copy, passed by a reference to value + } + { + fn f(_: impl AsRef) {} + let x = String::new(); + f(&x); // Don't lint, not a copy, makes it unavailable later + f(&String::new()); // Lint, makes no difference + let y = "".to_owned(); + f(&y); // Don't lint + f(&"".to_owned()); // Lint + } } diff --git a/tests/ui/needless_borrows_for_generic_args.stderr b/tests/ui/needless_borrows_for_generic_args.stderr index 83c076f8d863..fba0755d14b5 100644 --- a/tests/ui/needless_borrows_for_generic_args.stderr +++ b/tests/ui/needless_borrows_for_generic_args.stderr @@ -49,29 +49,23 @@ error: the borrowed expression implements the required traits LL | let _ = Command::new("ls").args(&["-a", "-l"]).status().unwrap(); | ^^^^^^^^^^^^^ help: change this to: `["-a", "-l"]` -error: the borrowed expression implements the required traits - --> tests/ui/needless_borrows_for_generic_args.rs:144:41 - | -LL | let _ = std::fs::write("x", &arg); - | ^^^^ help: change this to: `arg` - -error: the borrowed expression implements the required traits - --> tests/ui/needless_borrows_for_generic_args.rs:145:41 - | -LL | let _ = std::fs::write("x", &loc); - | ^^^^ help: change this to: `loc` - -error: the borrowed expression implements the required traits - --> tests/ui/needless_borrows_for_generic_args.rs:167:11 - | -LL | f(&x); - | ^^ help: change this to: `x` - error: the borrowed expression implements the required traits --> tests/ui/needless_borrows_for_generic_args.rs:247:13 | LL | foo(&a); | ^^ help: change this to: `a` -error: aborting due to 12 previous errors +error: the borrowed expression implements the required traits + --> tests/ui/needless_borrows_for_generic_args.rs:331:11 + | +LL | f(&String::new()); // Lint, makes no difference + | ^^^^^^^^^^^^^^ help: change this to: `String::new()` + +error: the borrowed expression implements the required traits + --> tests/ui/needless_borrows_for_generic_args.rs:334:11 + | +LL | f(&"".to_owned()); // Lint + | ^^^^^^^^^^^^^^ help: change this to: `"".to_owned()` + +error: aborting due to 11 previous errors diff --git a/tests/ui/needless_late_init.stderr b/tests/ui/needless_late_init.stderr index 1695784030d0..ce64861fa40a 100644 --- a/tests/ui/needless_late_init.stderr +++ b/tests/ui/needless_late_init.stderr @@ -8,10 +8,11 @@ LL | a = "zero"; | = note: `-D clippy::needless-late-init` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::needless_late_init)]` -help: declare `a` here +help: move the declaration `a` here + | +LL ~ +LL ~ let a = "zero"; | -LL | let a = "zero"; - | ~~~~~ error: unneeded late initialization --> tests/ui/needless_late_init.rs:30:5 @@ -22,10 +23,12 @@ LL | let c; LL | b = 1; | ^^^^^ initialised here | -help: declare `b` here +help: move the declaration `b` here + | +LL ~ +LL | let c; +LL ~ let b = 1; | -LL | let b = 1; - | ~~~~~ error: unneeded late initialization --> tests/ui/needless_late_init.rs:31:5 @@ -36,10 +39,12 @@ LL | b = 1; LL | c = 2; | ^^^^^ initialised here | -help: declare `c` here +help: move the declaration `c` here + | +LL ~ +LL | b = 1; +LL ~ let c = 2; | -LL | let c = 2; - | ~~~~~ error: unneeded late initialization --> tests/ui/needless_late_init.rs:35:5 @@ -49,10 +54,11 @@ LL | let d: usize; LL | d = 1; | ^^^^^ initialised here | -help: declare `d` here +help: move the declaration `d` here + | +LL ~ +LL ~ let d: usize = 1; | -LL | let d: usize = 1; - | ~~~~~~~~~~~~ error: unneeded late initialization --> tests/ui/needless_late_init.rs:38:5 @@ -62,10 +68,11 @@ LL | let e; LL | e = format!("{}", d); | ^^^^^^^^^^^^^^^^^^^^ initialised here | -help: declare `e` here +help: move the declaration `e` here + | +LL ~ +LL ~ let e = format!("{}", d); | -LL | let e = format!("{}", d); - | ~~~~~ error: unneeded late initialization --> tests/ui/needless_late_init.rs:43:5 @@ -73,20 +80,17 @@ error: unneeded late initialization LL | let a; | ^^^^^^ | -help: declare `a` here - | -LL | let a = match n { - | +++++++ -help: remove the assignments from the `match` arms +help: move the declaration `a` here and remove the assignments from the `match` arms | +LL ~ +LL | let n = 1; +LL ~ let a = match n { LL ~ 1 => "one", LL | _ => { LL ~ "two" +LL | }, +LL ~ }; | -help: add a semicolon after the `match` expression - | -LL | }; - | + error: unneeded late initialization --> tests/ui/needless_late_init.rs:52:5 @@ -94,20 +98,15 @@ error: unneeded late initialization LL | let b; | ^^^^^^ | -help: declare `b` here - | -LL | let b = if n == 3 { - | +++++++ -help: remove the assignments from the branches +help: move the declaration `b` here and remove the assignments from the branches | +LL ~ +LL ~ let b = if n == 3 { LL ~ "four" LL | } else { LL ~ "five" +LL ~ }; | -help: add a semicolon after the `if` expression - | -LL | }; - | + error: unneeded late initialization --> tests/ui/needless_late_init.rs:59:5 @@ -115,20 +114,16 @@ error: unneeded late initialization LL | let d; | ^^^^^^ | -help: declare `d` here - | -LL | let d = if true { - | +++++++ -help: remove the assignments from the branches +help: move the declaration `d` here and remove the assignments from the branches | +LL ~ +LL ~ let d = if true { +LL | let temp = 5; LL ~ temp LL | } else { LL ~ 15 +LL ~ }; | -help: add a semicolon after the `if` expression - | -LL | }; - | + error: unneeded late initialization --> tests/ui/needless_late_init.rs:67:5 @@ -136,20 +131,15 @@ error: unneeded late initialization LL | let e; | ^^^^^^ | -help: declare `e` here - | -LL | let e = if true { - | +++++++ -help: remove the assignments from the branches +help: move the declaration `e` here and remove the assignments from the branches | +LL ~ +LL ~ let e = if true { LL ~ format!("{} {}", a, b) LL | } else { LL ~ format!("{}", n) +LL ~ }; | -help: add a semicolon after the `if` expression - | -LL | }; - | + error: unneeded late initialization --> tests/ui/needless_late_init.rs:74:5 @@ -157,14 +147,11 @@ error: unneeded late initialization LL | let f; | ^^^^^^ | -help: declare `f` here +help: move the declaration `f` here and remove the assignments from the `match` arms | -LL | let f = match 1 { - | +++++++ -help: remove the assignments from the `match` arms - | -LL - 1 => f = "three", -LL + 1 => "three", +LL ~ +LL ~ let f = match 1 { +LL ~ 1 => "three", | error: unneeded late initialization @@ -173,19 +160,15 @@ error: unneeded late initialization LL | let g: usize; | ^^^^^^^^^^^^^ | -help: declare `g` here +help: move the declaration `g` here and remove the assignments from the branches | -LL | let g: usize = if true { - | ++++++++++++++ -help: remove the assignments from the branches +LL ~ +LL ~ let g: usize = if true { +LL ~ 5 +LL | } else { +LL | panic!(); +LL ~ }; | -LL - g = 5; -LL + 5 - | -help: add a semicolon after the `if` expression - | -LL | }; - | + error: unneeded late initialization --> tests/ui/needless_late_init.rs:88:5 @@ -196,10 +179,12 @@ LL | let y = SignificantDrop; LL | x = 1; | ^^^^^ initialised here | -help: declare `x` here +help: move the declaration `x` here + | +LL ~ +LL | let y = SignificantDrop; +LL ~ let x = 1; | -LL | let x = 1; - | ~~~~~ error: unneeded late initialization --> tests/ui/needless_late_init.rs:92:5 @@ -210,10 +195,12 @@ LL | let y = 1; LL | x = SignificantDrop; | ^^^^^^^^^^^^^^^^^^^ initialised here | -help: declare `x` here +help: move the declaration `x` here + | +LL ~ +LL | let y = 1; +LL ~ let x = SignificantDrop; | -LL | let x = SignificantDrop; - | ~~~~~ error: unneeded late initialization --> tests/ui/needless_late_init.rs:96:5 @@ -224,10 +211,14 @@ LL | let x; LL | x = SignificantDrop; | ^^^^^^^^^^^^^^^^^^^ initialised here | -help: declare `x` here +help: move the declaration `x` here + | +LL ~ +LL | // types that should be considered insignificant + ... +LL | let y = Box::new(4); +LL ~ let x = SignificantDrop; | -LL | let x = SignificantDrop; - | ~~~~~ error: unneeded late initialization --> tests/ui/needless_late_init.rs:115:5 @@ -235,20 +226,17 @@ error: unneeded late initialization LL | let a; | ^^^^^^ | -help: declare `a` here - | -LL | let a = match n { - | +++++++ -help: remove the assignments from the `match` arms +help: move the declaration `a` here and remove the assignments from the `match` arms | +LL ~ +LL | let n = 1; +LL ~ let a = match n { LL ~ 1 => f().await, LL | _ => { LL ~ "two" +LL | }, +LL ~ }; | -help: add a semicolon after the `match` expression - | -LL | }; - | + error: unneeded late initialization --> tests/ui/needless_late_init.rs:132:5 @@ -256,20 +244,17 @@ error: unneeded late initialization LL | let a; | ^^^^^^ | -help: declare `a` here - | -LL | let a = match n { - | +++++++ -help: remove the assignments from the `match` arms +help: move the declaration `a` here and remove the assignments from the `match` arms | +LL ~ +LL | let n = 1; +LL ~ let a = match n { LL ~ 1 => f(), LL | _ => { LL ~ "two" +LL | }, +LL ~ }; | -help: add a semicolon after the `match` expression - | -LL | }; - | + error: aborting due to 16 previous errors diff --git a/tests/ui/no_effect.rs b/tests/ui/no_effect.rs index dabeda72f0c8..0ea911c34348 100644 --- a/tests/ui/no_effect.rs +++ b/tests/ui/no_effect.rs @@ -1,6 +1,5 @@ #![feature(fn_traits, unboxed_closures)] #![warn(clippy::no_effect_underscore_binding)] -#![allow(dead_code, path_statements)] #![allow( clippy::deref_addrof, clippy::redundant_field_names, @@ -33,7 +32,6 @@ impl Neg for Cout { } } -struct Unit; struct Tuple(i32); struct Struct { field: i32, @@ -42,10 +40,6 @@ enum Enum { Tuple(i32), Struct { field: i32 }, } -struct DropUnit; -impl Drop for DropUnit { - fn drop(&mut self) {} -} struct DropStruct { field: i32, } @@ -117,15 +111,9 @@ impl FnOnce<(&str,)> for GreetStruct3 { fn main() { let s = get_struct(); - let s2 = get_struct(); 0; //~^ ERROR: statement with no effect - //~| NOTE: `-D clippy::no-effect` implied by `-D warnings` - s2; - //~^ ERROR: statement with no effect - Unit; - //~^ ERROR: statement with no effect Tuple(0); //~^ ERROR: statement with no effect Struct { field: 0 }; @@ -192,7 +180,6 @@ fn main() { unsafe { unsafe_fn() }; let _used = get_struct(); let _x = vec![1]; - DropUnit; DropStruct { field: 0 }; DropTuple(0); DropEnum::Tuple(0); diff --git a/tests/ui/no_effect.stderr b/tests/ui/no_effect.stderr index c7c8eecd054b..48ec997d938c 100644 --- a/tests/ui/no_effect.stderr +++ b/tests/ui/no_effect.stderr @@ -1,5 +1,5 @@ error: statement with no effect - --> tests/ui/no_effect.rs:122:5 + --> tests/ui/no_effect.rs:115:5 | LL | 0; | ^^ @@ -8,151 +8,139 @@ LL | 0; = help: to override `-D warnings` add `#[allow(clippy::no_effect)]` error: statement with no effect - --> tests/ui/no_effect.rs:125:5 - | -LL | s2; - | ^^^ - -error: statement with no effect - --> tests/ui/no_effect.rs:127:5 - | -LL | Unit; - | ^^^^^ - -error: statement with no effect - --> tests/ui/no_effect.rs:129:5 + --> tests/ui/no_effect.rs:117:5 | LL | Tuple(0); | ^^^^^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:131:5 + --> tests/ui/no_effect.rs:119:5 | LL | Struct { field: 0 }; | ^^^^^^^^^^^^^^^^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:133:5 + --> tests/ui/no_effect.rs:121:5 | LL | Struct { ..s }; | ^^^^^^^^^^^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:135:5 + --> tests/ui/no_effect.rs:123:5 | LL | Union { a: 0 }; | ^^^^^^^^^^^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:137:5 + --> tests/ui/no_effect.rs:125:5 | LL | Enum::Tuple(0); | ^^^^^^^^^^^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:139:5 + --> tests/ui/no_effect.rs:127:5 | LL | Enum::Struct { field: 0 }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:141:5 + --> tests/ui/no_effect.rs:129:5 | LL | 5 + 6; | ^^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:143:5 + --> tests/ui/no_effect.rs:131:5 | LL | *&42; | ^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:145:5 + --> tests/ui/no_effect.rs:133:5 | LL | &6; | ^^^ error: statement with no effect - --> tests/ui/no_effect.rs:147:5 + --> tests/ui/no_effect.rs:135:5 | LL | (5, 6, 7); | ^^^^^^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:149:5 + --> tests/ui/no_effect.rs:137:5 | LL | ..; | ^^^ error: statement with no effect - --> tests/ui/no_effect.rs:151:5 + --> tests/ui/no_effect.rs:139:5 | LL | 5..; | ^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:153:5 + --> tests/ui/no_effect.rs:141:5 | LL | ..5; | ^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:155:5 + --> tests/ui/no_effect.rs:143:5 | LL | 5..6; | ^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:157:5 + --> tests/ui/no_effect.rs:145:5 | LL | 5..=6; | ^^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:159:5 + --> tests/ui/no_effect.rs:147:5 | LL | [42, 55]; | ^^^^^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:161:5 + --> tests/ui/no_effect.rs:149:5 | LL | [42, 55][1]; | ^^^^^^^^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:163:5 + --> tests/ui/no_effect.rs:151:5 | LL | (42, 55).1; | ^^^^^^^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:165:5 + --> tests/ui/no_effect.rs:153:5 | LL | [42; 55]; | ^^^^^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:167:5 + --> tests/ui/no_effect.rs:155:5 | LL | [42; 55][13]; | ^^^^^^^^^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:170:5 + --> tests/ui/no_effect.rs:158:5 | LL | || x += 5; | ^^^^^^^^^^ error: statement with no effect - --> tests/ui/no_effect.rs:173:5 + --> tests/ui/no_effect.rs:161:5 | LL | FooString { s: s }; | ^^^^^^^^^^^^^^^^^^^ error: binding to `_` prefixed variable with no side-effect - --> tests/ui/no_effect.rs:175:9 + --> tests/ui/no_effect.rs:163:9 | LL | let _unused = 1; | ^^^^^^^ @@ -161,22 +149,22 @@ LL | let _unused = 1; = help: to override `-D warnings` add `#[allow(clippy::no_effect_underscore_binding)]` error: binding to `_` prefixed variable with no side-effect - --> tests/ui/no_effect.rs:178:9 + --> tests/ui/no_effect.rs:166:9 | LL | let _penguin = || println!("Some helpful closure"); | ^^^^^^^^ error: binding to `_` prefixed variable with no side-effect - --> tests/ui/no_effect.rs:180:9 + --> tests/ui/no_effect.rs:168:9 | LL | let _duck = Struct { field: 0 }; | ^^^^^ error: binding to `_` prefixed variable with no side-effect - --> tests/ui/no_effect.rs:182:9 + --> tests/ui/no_effect.rs:170:9 | LL | let _cat = [2, 4, 6, 8][2]; | ^^^^ -error: aborting due to 29 previous errors +error: aborting due to 27 previous errors diff --git a/tests/ui/significant_drop_in_scrutinee.rs b/tests/ui/significant_drop_in_scrutinee.rs index 0305d895fc58..7fc89bb95380 100644 --- a/tests/ui/significant_drop_in_scrutinee.rs +++ b/tests/ui/significant_drop_in_scrutinee.rs @@ -675,4 +675,60 @@ fn should_not_trigger_on_significant_iterator_drop() { } } +// https://github.com/rust-lang/rust-clippy/issues/9072 +fn should_not_trigger_lint_if_place_expr_has_significant_drop() { + let x = Mutex::new(vec![1, 2, 3]); + let x_guard = x.lock().unwrap(); + + match x_guard[0] { + 1 => println!("1!"), + x => println!("{x}"), + } + + match x_guard.len() { + 1 => println!("1!"), + x => println!("{x}"), + } +} + +struct Guard<'a, T>(MutexGuard<'a, T>); + +struct Ref<'a, T>(&'a T); + +impl<'a, T> Guard<'a, T> { + fn guard(&self) -> &MutexGuard { + &self.0 + } + + fn guard_ref(&self) -> Ref> { + Ref(&self.0) + } + + fn take(self) -> Box> { + Box::new(self.0) + } +} + +fn should_not_trigger_for_significant_drop_ref() { + let mutex = Mutex::new(vec![1, 2]); + let guard = Guard(mutex.lock().unwrap()); + + match guard.guard().len() { + 0 => println!("empty"), + _ => println!("not empty"), + } + + match guard.guard_ref().0.len() { + 0 => println!("empty"), + _ => println!("not empty"), + } + + match guard.take().len() { + //~^ ERROR: temporary with significant `Drop` in `match` scrutinee will live until the + //~| NOTE: this might lead to deadlocks or other unexpected behavior + 0 => println!("empty"), + _ => println!("not empty"), + }; +} + fn main() {} diff --git a/tests/ui/significant_drop_in_scrutinee.stderr b/tests/ui/significant_drop_in_scrutinee.stderr index 7d5b1acc7f00..811bb0655279 100644 --- a/tests/ui/significant_drop_in_scrutinee.stderr +++ b/tests/ui/significant_drop_in_scrutinee.stderr @@ -28,6 +28,9 @@ LL | match s.lock_m().get_the_value() { LL | println!("{}", s.lock_m().get_the_value()); | ---------- another value with significant `Drop` created here ... +LL | println!("{}", s.lock_m().get_the_value()); + | ---------- another value with significant `Drop` created here +... LL | } | - temporary lives until here | @@ -47,6 +50,9 @@ LL | match s.lock_m_m().get_the_value() { LL | println!("{}", s.lock_m().get_the_value()); | ---------- another value with significant `Drop` created here ... +LL | println!("{}", s.lock_m().get_the_value()); + | ---------- another value with significant `Drop` created here +... LL | } | - temporary lives until here | @@ -360,7 +366,7 @@ LL | match s.lock().deref().deref() { | ^^^^^^^^^^^^^^^^^^^^^^^^ ... LL | _ => println!("Value is {}", s.lock().deref()), - | ---------------- another value with significant `Drop` created here + | -------- another value with significant `Drop` created here LL | }; | - temporary lives until here | @@ -378,7 +384,7 @@ LL | match s.lock().deref().deref() { | ^^^^^^^^^^^^^^^^^^^^^^^^ ... LL | matcher => println!("Value is {}", s.lock().deref()), - | ---------------- another value with significant `Drop` created here + | -------- another value with significant `Drop` created here LL | _ => println!("Value was not a match"), LL | }; | - temporary lives until here @@ -499,5 +505,21 @@ LL ~ let value = mutex.lock().unwrap().foo(); LL ~ match value { | -error: aborting due to 26 previous errors +error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression + --> tests/ui/significant_drop_in_scrutinee.rs:726:11 + | +LL | match guard.take().len() { + | ^^^^^^^^^^^^^^^^^^ +... +LL | }; + | - temporary lives until here + | + = note: this might lead to deadlocks or other unexpected behavior +help: try moving the temporary above the match + | +LL ~ let value = guard.take().len(); +LL ~ match value { + | + +error: aborting due to 27 previous errors diff --git a/tests/ui/unnecessary_iter_cloned.fixed b/tests/ui/unnecessary_iter_cloned.fixed index ad0e5fab029e..2c582c90ba8c 100644 --- a/tests/ui/unnecessary_iter_cloned.fixed +++ b/tests/ui/unnecessary_iter_cloned.fixed @@ -21,6 +21,8 @@ fn main() { let _ = check_files_ref_mut(&[(FileType::Account, path)]); let _ = check_files_self_and_arg(&[(FileType::Account, path)]); let _ = check_files_mut_path_buf(&[(FileType::Account, std::path::PathBuf::new())]); + + check_mut_iteratee_and_modify_inner_variable(); } // `check_files` and its variants are based on: @@ -138,3 +140,33 @@ fn check_files_mut_path_buf(files: &[(FileType, std::path::PathBuf)]) -> bool { fn get_file_path(_file_type: &FileType) -> Result { Ok(std::path::PathBuf::new()) } + +// Issue 12098 +// https://github.com/rust-lang/rust-clippy/issues/12098 +// no message emits +fn check_mut_iteratee_and_modify_inner_variable() { + struct Test { + list: Vec, + mut_this: bool, + } + + impl Test { + fn list(&self) -> &[String] { + &self.list + } + } + + let mut test = Test { + list: vec![String::from("foo"), String::from("bar")], + mut_this: false, + }; + + for _item in test.list().to_vec() { + println!("{}", _item); + + test.mut_this = true; + { + test.mut_this = true; + } + } +} diff --git a/tests/ui/unnecessary_iter_cloned.rs b/tests/ui/unnecessary_iter_cloned.rs index d3d59c4c70f5..a28ccd1efef2 100644 --- a/tests/ui/unnecessary_iter_cloned.rs +++ b/tests/ui/unnecessary_iter_cloned.rs @@ -21,6 +21,8 @@ fn main() { let _ = check_files_ref_mut(&[(FileType::Account, path)]); let _ = check_files_self_and_arg(&[(FileType::Account, path)]); let _ = check_files_mut_path_buf(&[(FileType::Account, std::path::PathBuf::new())]); + + check_mut_iteratee_and_modify_inner_variable(); } // `check_files` and its variants are based on: @@ -138,3 +140,33 @@ fn check_files_mut_path_buf(files: &[(FileType, std::path::PathBuf)]) -> bool { fn get_file_path(_file_type: &FileType) -> Result { Ok(std::path::PathBuf::new()) } + +// Issue 12098 +// https://github.com/rust-lang/rust-clippy/issues/12098 +// no message emits +fn check_mut_iteratee_and_modify_inner_variable() { + struct Test { + list: Vec, + mut_this: bool, + } + + impl Test { + fn list(&self) -> &[String] { + &self.list + } + } + + let mut test = Test { + list: vec![String::from("foo"), String::from("bar")], + mut_this: false, + }; + + for _item in test.list().to_vec() { + println!("{}", _item); + + test.mut_this = true; + { + test.mut_this = true; + } + } +} diff --git a/tests/ui/unnecessary_iter_cloned.stderr b/tests/ui/unnecessary_iter_cloned.stderr index 9d3591e0dbfc..fb98cfddc262 100644 --- a/tests/ui/unnecessary_iter_cloned.stderr +++ b/tests/ui/unnecessary_iter_cloned.stderr @@ -1,5 +1,5 @@ error: unnecessary use of `copied` - --> tests/ui/unnecessary_iter_cloned.rs:29:22 + --> tests/ui/unnecessary_iter_cloned.rs:31:22 | LL | for (t, path) in files.iter().copied() { | ^^^^^^^^^^^^^^^^^^^^^ @@ -17,7 +17,7 @@ LL + let other = match get_file_path(t) { | error: unnecessary use of `copied` - --> tests/ui/unnecessary_iter_cloned.rs:44:22 + --> tests/ui/unnecessary_iter_cloned.rs:46:22 | LL | for (t, path) in files.iter().copied() { | ^^^^^^^^^^^^^^^^^^^^^ diff --git a/tests/ui/useless_attribute.fixed b/tests/ui/useless_attribute.fixed index 81759086f79e..231fc0a892ad 100644 --- a/tests/ui/useless_attribute.fixed +++ b/tests/ui/useless_attribute.fixed @@ -86,8 +86,51 @@ mod module { #[rustfmt::skip] #[allow(unused_import_braces)] +#[allow(unused_braces)] use module::{Struct}; fn main() { test_indented_attr(); } + +// Regression test for https://github.com/rust-lang/rust-clippy/issues/4467 +#[allow(dead_code)] +use std::collections as puppy_doggy; + +// Regression test for https://github.com/rust-lang/rust-clippy/issues/11595 +pub mod hidden_glob_reexports { + #![allow(unreachable_pub)] + + mod my_prelude { + pub struct MyCoolTypeInternal; + pub use MyCoolTypeInternal as MyCoolType; + } + + mod my_uncool_type { + pub(crate) struct MyUncoolType; + } + + // This exports `MyCoolType`. + pub use my_prelude::*; + + // This hides `my_prelude::MyCoolType`. + #[allow(hidden_glob_reexports)] + use my_uncool_type::MyUncoolType as MyCoolType; +} + +// Regression test for https://github.com/rust-lang/rust-clippy/issues/10878 +pub mod ambiguous_glob_exports { + #![allow(unreachable_pub)] + + mod my_prelude { + pub struct MyType; + } + + mod my_type { + pub struct MyType; + } + + #[allow(ambiguous_glob_reexports)] + pub use my_prelude::*; + pub use my_type::*; +} diff --git a/tests/ui/useless_attribute.rs b/tests/ui/useless_attribute.rs index 59a9dcf093bc..8dfcd2110a4b 100644 --- a/tests/ui/useless_attribute.rs +++ b/tests/ui/useless_attribute.rs @@ -86,8 +86,51 @@ mod module { #[rustfmt::skip] #[allow(unused_import_braces)] +#[allow(unused_braces)] use module::{Struct}; fn main() { test_indented_attr(); } + +// Regression test for https://github.com/rust-lang/rust-clippy/issues/4467 +#[allow(dead_code)] +use std::collections as puppy_doggy; + +// Regression test for https://github.com/rust-lang/rust-clippy/issues/11595 +pub mod hidden_glob_reexports { + #![allow(unreachable_pub)] + + mod my_prelude { + pub struct MyCoolTypeInternal; + pub use MyCoolTypeInternal as MyCoolType; + } + + mod my_uncool_type { + pub(crate) struct MyUncoolType; + } + + // This exports `MyCoolType`. + pub use my_prelude::*; + + // This hides `my_prelude::MyCoolType`. + #[allow(hidden_glob_reexports)] + use my_uncool_type::MyUncoolType as MyCoolType; +} + +// Regression test for https://github.com/rust-lang/rust-clippy/issues/10878 +pub mod ambiguous_glob_exports { + #![allow(unreachable_pub)] + + mod my_prelude { + pub struct MyType; + } + + mod my_type { + pub struct MyType; + } + + #[allow(ambiguous_glob_reexports)] + pub use my_prelude::*; + pub use my_type::*; +} diff --git a/tests/ui/while_float.rs b/tests/ui/while_float.rs new file mode 100644 index 000000000000..a3b0618948e6 --- /dev/null +++ b/tests/ui/while_float.rs @@ -0,0 +1,14 @@ +#[deny(clippy::while_float)] +fn main() { + let mut x = 0.0_f32; + while x < 42.0_f32 { + x += 0.5; + } + while x < 42.0 { + x += 1.0; + } + let mut x = 0; + while x < 42 { + x += 1; + } +} diff --git a/tests/ui/while_float.stderr b/tests/ui/while_float.stderr new file mode 100644 index 000000000000..b8e934b97c6c --- /dev/null +++ b/tests/ui/while_float.stderr @@ -0,0 +1,20 @@ +error: while condition comparing floats + --> tests/ui/while_float.rs:4:11 + | +LL | while x < 42.0_f32 { + | ^^^^^^^^^^^^ + | +note: the lint level is defined here + --> tests/ui/while_float.rs:1:8 + | +LL | #[deny(clippy::while_float)] + | ^^^^^^^^^^^^^^^^^^^ + +error: while condition comparing floats + --> tests/ui/while_float.rs:7:11 + | +LL | while x < 42.0 { + | ^^^^^^^^ + +error: aborting due to 2 previous errors + diff --git a/util/gh-pages/script.js b/util/gh-pages/script.js index c63edd5bf709..7fd779fe9a46 100644 --- a/util/gh-pages/script.js +++ b/util/gh-pages/script.js @@ -406,7 +406,7 @@ } // Search by id - if (lint.id.indexOf(searchStr.replace("-", "_")) !== -1) { + if (lint.id.indexOf(searchStr.replaceAll("-", "_")) !== -1) { return true; } From 63fe640f5d2eb402247906e22b8bf14bf8e90b61 Mon Sep 17 00:00:00 2001 From: Lzu Tao Date: Sun, 19 May 2024 23:08:59 +0000 Subject: [PATCH 0359/1716] Update check-cfg lists for core --- library/core/Cargo.toml | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/library/core/Cargo.toml b/library/core/Cargo.toml index 11d33971f256..0c86f430f325 100644 --- a/library/core/Cargo.toml +++ b/library/core/Cargo.toml @@ -36,3 +36,12 @@ optimize_for_size = [] # Make `RefCell` store additional debugging information, which is printed out when # a borrow error occurs debug_refcell = [] + +[lints.rust.unexpected_cfgs] +level = "warn" +check-cfg = [ + 'cfg(no_fp_fmt_parse)', + 'cfg(bootstrap)', + 'cfg(stdarch_intel_sde)', + 'cfg(feature, values("all_lane_counts"))', +] From 0734ae22f5e821023155e2df24628a1c6df54f2e Mon Sep 17 00:00:00 2001 From: Lzu Tao Date: Sun, 19 May 2024 23:14:48 +0000 Subject: [PATCH 0360/1716] Update check-cfg lists for alloc --- library/alloc/Cargo.toml | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/library/alloc/Cargo.toml b/library/alloc/Cargo.toml index 2e7fcb9dbd35..cddf87a92c50 100644 --- a/library/alloc/Cargo.toml +++ b/library/alloc/Cargo.toml @@ -40,3 +40,12 @@ compiler-builtins-weak-intrinsics = ["compiler_builtins/weak-intrinsics"] panic_immediate_abort = ["core/panic_immediate_abort"] # Choose algorithms that are optimized for binary size instead of runtime performance optimize_for_size = ["core/optimize_for_size"] + +[lints.rust.unexpected_cfgs] +level = "warn" +check-cfg = [ + 'cfg(no_global_oom_handling)', + 'cfg(bootstrap)', + 'cfg(no_rc)', + 'cfg(no_sync)', +] From 73602bf4088b31daa0da10d3ea926e1145faa5d5 Mon Sep 17 00:00:00 2001 From: Lzu Tao Date: Sun, 19 May 2024 23:27:41 +0000 Subject: [PATCH 0361/1716] Update check-cfg lists for std --- library/std/Cargo.toml | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/library/std/Cargo.toml b/library/std/Cargo.toml index 5b36867fe243..4b8ee4c13091 100644 --- a/library/std/Cargo.toml +++ b/library/std/Cargo.toml @@ -97,3 +97,13 @@ heap_size = 0x8000000 name = "stdbenches" path = "benches/lib.rs" test = true + +[lints.rust.unexpected_cfgs] +level = "warn" +check-cfg = [ + 'cfg(bootstrap)', + 'cfg(backtrace_in_libstd)', + 'cfg(netbsd10)', + 'cfg(target_arch, values("xtensa"))', + 'cfg(feature, values("std", "as_crate"))', +] From c7d2f4592fb19a8c3d7ae5e6a1594edb4608c75f Mon Sep 17 00:00:00 2001 From: Lzu Tao Date: Mon, 20 May 2024 15:06:14 +0000 Subject: [PATCH 0362/1716] addresss reviews --- library/alloc/Cargo.toml | 5 ++++- library/core/Cargo.toml | 6 +++++- src/bootstrap/src/lib.rs | 1 + 3 files changed, 10 insertions(+), 2 deletions(-) diff --git a/library/alloc/Cargo.toml b/library/alloc/Cargo.toml index cddf87a92c50..3960f7168126 100644 --- a/library/alloc/Cargo.toml +++ b/library/alloc/Cargo.toml @@ -43,9 +43,12 @@ optimize_for_size = ["core/optimize_for_size"] [lints.rust.unexpected_cfgs] level = "warn" +# x.py uses beta cargo, so `check-cfg` entries do not yet take effect +# for rust-lang/rust. But for users of `-Zbuild-std` it does. +# The unused warning is waiting for rust-lang/cargo#13925 to reach beta. check-cfg = [ - 'cfg(no_global_oom_handling)', 'cfg(bootstrap)', + 'cfg(no_global_oom_handling)', 'cfg(no_rc)', 'cfg(no_sync)', ] diff --git a/library/core/Cargo.toml b/library/core/Cargo.toml index 0c86f430f325..756f68e60480 100644 --- a/library/core/Cargo.toml +++ b/library/core/Cargo.toml @@ -39,9 +39,13 @@ debug_refcell = [] [lints.rust.unexpected_cfgs] level = "warn" +# x.py uses beta cargo, so `check-cfg` entries do not yet take effect +# for rust-lang/rust. But for users of `-Zbuild-std` it does. +# The unused warning is waiting for rust-lang/cargo#13925 to reach beta. check-cfg = [ 'cfg(no_fp_fmt_parse)', 'cfg(bootstrap)', 'cfg(stdarch_intel_sde)', - 'cfg(feature, values("all_lane_counts"))', + # This matches `EXTRA_CHECK_CFGS` in `src/bootstrap/src/lib.rs`. + 'cfg(feature, values(any()))', ] diff --git a/src/bootstrap/src/lib.rs b/src/bootstrap/src/lib.rs index 698a576effa6..0578638de5ce 100644 --- a/src/bootstrap/src/lib.rs +++ b/src/bootstrap/src/lib.rs @@ -84,6 +84,7 @@ const EXTRA_CHECK_CFGS: &[(Option, &str, Option<&[&'static str]>)] = &[ (Some(Mode::ToolRustc), "rust_analyzer", None), (Some(Mode::ToolStd), "rust_analyzer", None), (Some(Mode::Codegen), "parallel_compiler", None), + // NOTE: consider updating `check-cfg` entries in `std/Cargo.toml` too. (Some(Mode::Std), "stdarch_intel_sde", None), (Some(Mode::Std), "no_fp_fmt_parse", None), (Some(Mode::Std), "no_global_oom_handling", None), From df3a32066fe4d9a1c8f922d7abfa5f76578a876a Mon Sep 17 00:00:00 2001 From: Lzu Tao Date: Mon, 20 May 2024 15:08:28 +0000 Subject: [PATCH 0363/1716] tidy alphabetica --- library/core/Cargo.toml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/library/core/Cargo.toml b/library/core/Cargo.toml index 756f68e60480..daf2612833dd 100644 --- a/library/core/Cargo.toml +++ b/library/core/Cargo.toml @@ -43,8 +43,8 @@ level = "warn" # for rust-lang/rust. But for users of `-Zbuild-std` it does. # The unused warning is waiting for rust-lang/cargo#13925 to reach beta. check-cfg = [ - 'cfg(no_fp_fmt_parse)', 'cfg(bootstrap)', + 'cfg(no_fp_fmt_parse)', 'cfg(stdarch_intel_sde)', # This matches `EXTRA_CHECK_CFGS` in `src/bootstrap/src/lib.rs`. 'cfg(feature, values(any()))', From 30e0ab84f985d4da0f9eb802e047f5462f4a8a65 Mon Sep 17 00:00:00 2001 From: Lzu Tao Date: Tue, 21 May 2024 09:30:43 +0000 Subject: [PATCH 0364/1716] maybe replace check-cfg values in bootstrap with ones in Cargo.toml --- src/bootstrap/src/lib.rs | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/bootstrap/src/lib.rs b/src/bootstrap/src/lib.rs index 0578638de5ce..38de5e380000 100644 --- a/src/bootstrap/src/lib.rs +++ b/src/bootstrap/src/lib.rs @@ -85,6 +85,8 @@ const EXTRA_CHECK_CFGS: &[(Option, &str, Option<&[&'static str]>)] = &[ (Some(Mode::ToolStd), "rust_analyzer", None), (Some(Mode::Codegen), "parallel_compiler", None), // NOTE: consider updating `check-cfg` entries in `std/Cargo.toml` too. + // cfg(bootstrap) remove these once the bootstrap compiler supports + // `lints.rust.unexpected_cfgs.check-cfg` (Some(Mode::Std), "stdarch_intel_sde", None), (Some(Mode::Std), "no_fp_fmt_parse", None), (Some(Mode::Std), "no_global_oom_handling", None), From 6867d6492b1b96173d175b4a4b5887691798daf6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?R=C3=A9my=20Rakic?= Date: Tue, 21 May 2024 17:59:13 +0000 Subject: [PATCH 0365/1716] add helper to target bin path --- compiler/rustc_session/src/filesearch.rs | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/compiler/rustc_session/src/filesearch.rs b/compiler/rustc_session/src/filesearch.rs index f4e2436efb9f..9cb8cd836e6b 100644 --- a/compiler/rustc_session/src/filesearch.rs +++ b/compiler/rustc_session/src/filesearch.rs @@ -51,6 +51,14 @@ pub fn make_target_lib_path(sysroot: &Path, target_triple: &str) -> PathBuf { PathBuf::from_iter([sysroot, Path::new(&rustlib_path), Path::new("lib")]) } +/// Returns a path to the target's `bin` folder within its `rustlib` path in the sysroot. This is +/// where binaries are usually installed, e.g. the self-contained linkers, lld-wrappers, LLVM tools, +/// etc. +pub fn make_target_bin_path(sysroot: &Path, target_triple: &str) -> PathBuf { + let rustlib_path = rustc_target::target_rustlib_path(sysroot, target_triple); + PathBuf::from_iter([sysroot, Path::new(&rustlib_path), Path::new("bin")]) +} + #[cfg(unix)] fn current_dll_path() -> Result { use std::ffi::{CStr, OsStr}; From 9526ce60fd5bb46221f4a0c35dda694aa14716b0 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Fri, 10 May 2024 16:31:57 +0200 Subject: [PATCH 0366/1716] improve comment wording --- compiler/rustc_const_eval/src/interpret/validity.rs | 3 ++- library/core/src/intrinsics.rs | 4 ++-- library/core/src/ptr/const_ptr.rs | 12 ++++++------ library/core/src/ptr/mut_ptr.rs | 12 ++++++------ 4 files changed, 16 insertions(+), 15 deletions(-) diff --git a/compiler/rustc_const_eval/src/interpret/validity.rs b/compiler/rustc_const_eval/src/interpret/validity.rs index a47828bb63c2..e36d30184c85 100644 --- a/compiler/rustc_const_eval/src/interpret/validity.rs +++ b/compiler/rustc_const_eval/src/interpret/validity.rs @@ -434,7 +434,8 @@ impl<'rt, 'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> ValidityVisitor<'rt, 'mir, ' found_bytes: has.bytes() }, ); - // Make sure this is non-null. (ZST references can be dereferenceable and null.) + // Make sure this is non-null. We checked dereferenceability above, but if `size` is zero + // that does not imply non-null. if self.ecx.scalar_may_be_null(Scalar::from_maybe_pointer(place.ptr(), self.ecx))? { throw_validation_failure!(self.path, NullPtr { ptr_kind }) } diff --git a/library/core/src/intrinsics.rs b/library/core/src/intrinsics.rs index 90a7e2bf382e..33ecaae98e51 100644 --- a/library/core/src/intrinsics.rs +++ b/library/core/src/intrinsics.rs @@ -1484,7 +1484,7 @@ extern "rust-intrinsic" { /// # Safety /// /// If the computed offset is non-zero, then both the starting and resulting pointer must be - /// either in bounds or one byte past the end of an allocated object. If either pointer is out + /// either in bounds or at the end of an allocated object. If either pointer is out /// of bounds or arithmetic overflow occurs then any further use of the returned value will /// result in undefined behavior. /// @@ -1502,7 +1502,7 @@ extern "rust-intrinsic" { /// # Safety /// /// Unlike the `offset` intrinsic, this intrinsic does not restrict the - /// resulting pointer to point into or one byte past the end of an allocated + /// resulting pointer to point into or at the end of an allocated /// object, and it wraps with two's complement arithmetic. The resulting /// value is not necessarily valid to be used to actually access memory. /// diff --git a/library/core/src/ptr/const_ptr.rs b/library/core/src/ptr/const_ptr.rs index 27b0c69d32d0..c8065b2e7090 100644 --- a/library/core/src/ptr/const_ptr.rs +++ b/library/core/src/ptr/const_ptr.rs @@ -465,8 +465,8 @@ impl *const T { /// If any of the following conditions are violated, the result is Undefined /// Behavior: /// - /// * If the computed offset is non-zero, then both the starting and resulting pointer must be - /// either in bounds or one byte past the end of the same [allocated object]. + /// * If the computed offset, **in bytes**, is non-zero, then both the starting and resulting + /// pointer must be either in bounds or at the end of the same [allocated object]. /// (If it is zero, then the function is always well-defined.) /// /// * The computed offset, **in bytes**, cannot overflow an `isize`. @@ -952,8 +952,8 @@ impl *const T { /// If any of the following conditions are violated, the result is Undefined /// Behavior: /// - /// * If the computed offset is non-zero, then both the starting and resulting pointer must be - /// either in bounds or one byte past the end of the same [allocated object]. + /// * If the computed offset, **in bytes**, is non-zero, then both the starting and resulting + /// pointer must be either in bounds or at the end of the same [allocated object]. /// (If it is zero, then the function is always well-defined.) /// /// * The computed offset, **in bytes**, cannot overflow an `isize`. @@ -1037,8 +1037,8 @@ impl *const T { /// If any of the following conditions are violated, the result is Undefined /// Behavior: /// - /// * If the computed offset is non-zero, then both the starting and resulting pointer must be - /// either in bounds or one byte past the end of the same [allocated object]. + /// * If the computed offset, **in bytes**, is non-zero, then both the starting and resulting + /// pointer must be either in bounds or at the end of the same [allocated object]. /// (If it is zero, then the function is always well-defined.) /// /// * The computed offset cannot exceed `isize::MAX` **bytes**. diff --git a/library/core/src/ptr/mut_ptr.rs b/library/core/src/ptr/mut_ptr.rs index 3d05715f7a46..f87496bd400f 100644 --- a/library/core/src/ptr/mut_ptr.rs +++ b/library/core/src/ptr/mut_ptr.rs @@ -480,8 +480,8 @@ impl *mut T { /// If any of the following conditions are violated, the result is Undefined /// Behavior: /// - /// * If the computed offset is non-zero, then both the starting and resulting pointer must be - /// either in bounds or one byte past the end of the same [allocated object]. + /// * If the computed offset, **in bytes**, is non-zero, then both the starting and resulting + /// pointer must be either in bounds or at the end of the same [allocated object]. /// (If it is zero, then the function is always well-defined.) /// /// * The computed offset, **in bytes**, cannot overflow an `isize`. @@ -1096,8 +1096,8 @@ impl *mut T { /// If any of the following conditions are violated, the result is Undefined /// Behavior: /// - /// * If the computed offset is non-zero, then both the starting and resulting pointer must be - /// either in bounds or one byte past the end of the same [allocated object]. + /// * If the computed offset, **in bytes**, is non-zero, then both the starting and resulting + /// pointer must be either in bounds or at the end of the same [allocated object]. /// (If it is zero, then the function is always well-defined.) /// /// * The computed offset, **in bytes**, cannot overflow an `isize`. @@ -1181,8 +1181,8 @@ impl *mut T { /// If any of the following conditions are violated, the result is Undefined /// Behavior: /// - /// * If the computed offset is non-zero, then both the starting and resulting pointer must be - /// either in bounds or one byte past the end of the same [allocated object]. + /// * If the computed offset, **in bytes**, is non-zero, then both the starting and resulting + /// pointer must be either in bounds or at the end of the same [allocated object]. /// (If it is zero, then the function is always well-defined.) /// /// * The computed offset cannot exceed `isize::MAX` **bytes**. From 4486c24db3ca1c698b34ea08bee15194774b53df Mon Sep 17 00:00:00 2001 From: Michael Howell Date: Tue, 21 May 2024 12:28:30 -0700 Subject: [PATCH 0367/1716] Add URL and crate_name to test cases --- tests/rustdoc/issue-80233-normalize-auto-trait.rs | 4 +++- .../issue-81141-private-reexport-in-public-api-2.rs | 1 + ...ssue-81141-private-reexport-in-public-api-generics.rs | 1 + .../issue-81141-private-reexport-in-public-api-hidden.rs | 1 + ...issue-81141-private-reexport-in-public-api-private.rs | 1 + .../issue-81141-private-reexport-in-public-api.rs | 1 + tests/rustdoc/issue-82465-asref-for-and-of-local.rs | 5 ++++- ...375-multiple-mods-w-same-name-doc-inline-last-item.rs | 1 + .../issue-83375-multiple-mods-w-same-name-doc-inline.rs | 1 + tests/rustdoc/issue-85454.rs | 1 + tests/rustdoc/issue-86620.rs | 6 ++++-- tests/rustdoc/issue-88600.rs | 4 +++- tests/rustdoc/issue-89309-heading-levels.rs | 1 + tests/rustdoc/issue-89852.rs | 6 ++++-- .../rustdoc/issue-94183-blanket-impl-reexported-trait.rs | 1 + tests/rustdoc/issue-95633.rs | 1 + tests/rustdoc/issue-95873.rs | 5 ++++- tests/rustdoc/issue-96381.rs | 1 + tests/rustdoc/issue-98697.rs | 9 +++++---- ...e-99221-multiple-macro-rules-w-same-name-submodule.rs | 1 + 20 files changed, 40 insertions(+), 12 deletions(-) diff --git a/tests/rustdoc/issue-80233-normalize-auto-trait.rs b/tests/rustdoc/issue-80233-normalize-auto-trait.rs index 62fbc2444dbc..064980186307 100644 --- a/tests/rustdoc/issue-80233-normalize-auto-trait.rs +++ b/tests/rustdoc/issue-80233-normalize-auto-trait.rs @@ -1,7 +1,9 @@ // Regression test for issue #80233 // Tests that we don't ICE when processing auto traits +// https://github.com/rust-lang/rust/issues/80233 #![crate_type = "lib"] +#![crate_name = "foo"] pub trait Trait1 {} pub trait Trait2 { @@ -30,7 +32,7 @@ impl Trait3 for Vec { pub struct Struct1 {} -// @has issue_80233_normalize_auto_trait/struct.Question.html +// @has foo/struct.Question.html // @has - '//h3[@class="code-header"]' 'impl Send for Question' pub struct Question { pub ins: < as Trait3>::Type3 as Trait2>::Type2, diff --git a/tests/rustdoc/issue-81141-private-reexport-in-public-api-2.rs b/tests/rustdoc/issue-81141-private-reexport-in-public-api-2.rs index fba310cec6d6..c066f54b32b2 100644 --- a/tests/rustdoc/issue-81141-private-reexport-in-public-api-2.rs +++ b/tests/rustdoc/issue-81141-private-reexport-in-public-api-2.rs @@ -1,5 +1,6 @@ //@ edition:2015 +// https://github.com/rust-lang/rust/issues/81141 #![crate_name = "foo"] use external::Public as Private; diff --git a/tests/rustdoc/issue-81141-private-reexport-in-public-api-generics.rs b/tests/rustdoc/issue-81141-private-reexport-in-public-api-generics.rs index 7e289508628f..1c86c769a124 100644 --- a/tests/rustdoc/issue-81141-private-reexport-in-public-api-generics.rs +++ b/tests/rustdoc/issue-81141-private-reexport-in-public-api-generics.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/81141 #![crate_name = "foo"] use crate::bar::Foo as Alias; diff --git a/tests/rustdoc/issue-81141-private-reexport-in-public-api-hidden.rs b/tests/rustdoc/issue-81141-private-reexport-in-public-api-hidden.rs index 388f69ba3265..7d6fadf26e2f 100644 --- a/tests/rustdoc/issue-81141-private-reexport-in-public-api-hidden.rs +++ b/tests/rustdoc/issue-81141-private-reexport-in-public-api-hidden.rs @@ -1,5 +1,6 @@ //@ compile-flags: -Z unstable-options --document-hidden-items +// https://github.com/rust-lang/rust/issues/81141 #![crate_name = "foo"] #[doc(hidden)] diff --git a/tests/rustdoc/issue-81141-private-reexport-in-public-api-private.rs b/tests/rustdoc/issue-81141-private-reexport-in-public-api-private.rs index 2633f98c4f30..6bf507838d55 100644 --- a/tests/rustdoc/issue-81141-private-reexport-in-public-api-private.rs +++ b/tests/rustdoc/issue-81141-private-reexport-in-public-api-private.rs @@ -1,5 +1,6 @@ //@ compile-flags: --document-private-items +// https://github.com/rust-lang/rust/issues/81141 #![crate_name = "foo"] use crate::bar::Bar as Alias; diff --git a/tests/rustdoc/issue-81141-private-reexport-in-public-api.rs b/tests/rustdoc/issue-81141-private-reexport-in-public-api.rs index bd54d02c6ec8..d695ed7fbfac 100644 --- a/tests/rustdoc/issue-81141-private-reexport-in-public-api.rs +++ b/tests/rustdoc/issue-81141-private-reexport-in-public-api.rs @@ -1,6 +1,7 @@ // This test ensures that if a private re-export is present in a public API, it'll be // replaced by the first public item in the re-export chain or by the private item. +// https://github.com/rust-lang/rust/issues/81141 #![crate_name = "foo"] use crate::bar::Bar as Alias; diff --git a/tests/rustdoc/issue-82465-asref-for-and-of-local.rs b/tests/rustdoc/issue-82465-asref-for-and-of-local.rs index adf4d111a6cb..e62046889043 100644 --- a/tests/rustdoc/issue-82465-asref-for-and-of-local.rs +++ b/tests/rustdoc/issue-82465-asref-for-and-of-local.rs @@ -1,7 +1,10 @@ +// https://github.com/rust-lang/rust/issues/82465 +#![crate_name = "foo"] + use std::convert::AsRef; pub struct Local; -// @has issue_82465_asref_for_and_of_local/struct.Local.html '//h3[@class="code-header"]' 'impl AsRef for Local' +// @has foo/struct.Local.html '//h3[@class="code-header"]' 'impl AsRef for Local' impl AsRef for Local { fn as_ref(&self) -> &str { todo!() diff --git a/tests/rustdoc/issue-83375-multiple-mods-w-same-name-doc-inline-last-item.rs b/tests/rustdoc/issue-83375-multiple-mods-w-same-name-doc-inline-last-item.rs index 9bce25846d85..7bad825b35fe 100644 --- a/tests/rustdoc/issue-83375-multiple-mods-w-same-name-doc-inline-last-item.rs +++ b/tests/rustdoc/issue-83375-multiple-mods-w-same-name-doc-inline-last-item.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/83375 #![crate_name = "foo"] pub mod sub { diff --git a/tests/rustdoc/issue-83375-multiple-mods-w-same-name-doc-inline.rs b/tests/rustdoc/issue-83375-multiple-mods-w-same-name-doc-inline.rs index d0960dfef436..9b3dfd45370b 100644 --- a/tests/rustdoc/issue-83375-multiple-mods-w-same-name-doc-inline.rs +++ b/tests/rustdoc/issue-83375-multiple-mods-w-same-name-doc-inline.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/83375 #![crate_name = "foo"] pub mod sub { diff --git a/tests/rustdoc/issue-85454.rs b/tests/rustdoc/issue-85454.rs index 790db0c5dcfe..de806db77094 100644 --- a/tests/rustdoc/issue-85454.rs +++ b/tests/rustdoc/issue-85454.rs @@ -1,6 +1,7 @@ //@ aux-build:issue-85454.rs //@ build-aux-docs #![crate_name = "foo"] +// https://github.com/rust-lang/rust/issues/85454 extern crate issue_85454; diff --git a/tests/rustdoc/issue-86620.rs b/tests/rustdoc/issue-86620.rs index a7ac0f1d291b..537dadd21241 100644 --- a/tests/rustdoc/issue-86620.rs +++ b/tests/rustdoc/issue-86620.rs @@ -1,9 +1,11 @@ //@ aux-build:issue-86620-1.rs +#![crate_name = "foo"] +// https://github.com/rust-lang/rust/issues/86620 extern crate issue_86620_1; use issue_86620_1::*; -// @!has issue_86620/struct.S.html '//*[@id="method.vzip"]//a[@class="fnname"]/@href' #tymethod.vzip -// @has issue_86620/struct.S.html '//*[@id="method.vzip"]//a[@class="anchor"]/@href' #method.vzip +// @!has foo/struct.S.html '//*[@id="method.vzip"]//a[@class="fnname"]/@href' #tymethod.vzip +// @has foo/struct.S.html '//*[@id="method.vzip"]//a[@class="anchor"]/@href' #method.vzip pub struct S; diff --git a/tests/rustdoc/issue-88600.rs b/tests/rustdoc/issue-88600.rs index f89af472f6e4..31d96e9db758 100644 --- a/tests/rustdoc/issue-88600.rs +++ b/tests/rustdoc/issue-88600.rs @@ -1,4 +1,6 @@ // This test ensure that #[doc(hidden)] is applied correctly in enum variant fields. +// https://github.com/rust-lang/rust/issues/88600 +#![crate_name = "foo"] // Denotes a field which should be hidden. pub struct H; @@ -6,7 +8,7 @@ pub struct H; // Denotes a field which should not be hidden (shown). pub struct S; -// @has issue_88600/enum.FooEnum.html +// @has foo/enum.FooEnum.html pub enum FooEnum { // @has - '//*[@id="variant.HiddenTupleItem"]//h3' 'HiddenTupleItem(/* private fields */)' // @count - '//*[@id="variant.HiddenTupleItem.field.0"]' 0 diff --git a/tests/rustdoc/issue-89309-heading-levels.rs b/tests/rustdoc/issue-89309-heading-levels.rs index bb706c28ffa5..caa994285252 100644 --- a/tests/rustdoc/issue-89309-heading-levels.rs +++ b/tests/rustdoc/issue-89309-heading-levels.rs @@ -1,3 +1,4 @@ +// https://github.com/rust-lang/rust/issues/89309 #![crate_name = "foo"] // @has foo/trait.Read.html diff --git a/tests/rustdoc/issue-89852.rs b/tests/rustdoc/issue-89852.rs index e9b3d80c92ee..cffe1289ce82 100644 --- a/tests/rustdoc/issue-89852.rs +++ b/tests/rustdoc/issue-89852.rs @@ -1,10 +1,12 @@ //@ edition:2018 +// https://github.com/rust-lang/rust/issues/89852 +#![crate_name = "foo"] #![no_core] #![feature(no_core)] -// @matchesraw 'issue_89852/sidebar-items.js' '"repro"' -// @!matchesraw 'issue_89852/sidebar-items.js' '"repro".*"repro"' +// @matchesraw 'foo/sidebar-items.js' '"repro"' +// @!matchesraw 'foo/sidebar-items.js' '"repro".*"repro"' #[macro_export] macro_rules! repro { diff --git a/tests/rustdoc/issue-94183-blanket-impl-reexported-trait.rs b/tests/rustdoc/issue-94183-blanket-impl-reexported-trait.rs index 95ddd4c74715..343e030da9e2 100644 --- a/tests/rustdoc/issue-94183-blanket-impl-reexported-trait.rs +++ b/tests/rustdoc/issue-94183-blanket-impl-reexported-trait.rs @@ -2,6 +2,7 @@ // This test ensures that a publicly re-exported private trait will // appear in the blanket impl list. +// https://github.com/rust-lang/rust/issues/94183 #![crate_name = "foo"] // @has 'foo/struct.S.html' diff --git a/tests/rustdoc/issue-95633.rs b/tests/rustdoc/issue-95633.rs index 5695ef579f2b..7f612a0b60ae 100644 --- a/tests/rustdoc/issue-95633.rs +++ b/tests/rustdoc/issue-95633.rs @@ -1,6 +1,7 @@ //@ compile-flags: --document-private-items // This ensures that no ICE is triggered when rustdoc is run on this code. +// https://github.com/rust-lang/rust/issues/95633 mod stdlib { pub (crate) use std::i8; diff --git a/tests/rustdoc/issue-95873.rs b/tests/rustdoc/issue-95873.rs index 83f1f2f75bf0..5a817fb3409e 100644 --- a/tests/rustdoc/issue-95873.rs +++ b/tests/rustdoc/issue-95873.rs @@ -1,2 +1,5 @@ -// @has issue_95873/index.html "//*[@class='item-name']" "pub use ::std as x;" +// https://github.com/rust-lang/rust/issues/95873 +#![crate_name = "foo"] + +// @has foo/index.html "//*[@class='item-name']" "pub use ::std as x;" pub use ::std as x; diff --git a/tests/rustdoc/issue-96381.rs b/tests/rustdoc/issue-96381.rs index 90875c076057..6d6e5e0a8398 100644 --- a/tests/rustdoc/issue-96381.rs +++ b/tests/rustdoc/issue-96381.rs @@ -1,4 +1,5 @@ //@ should-fail +// https://github.com/rust-lang/rust/issues/96381 #![allow(unused)] diff --git a/tests/rustdoc/issue-98697.rs b/tests/rustdoc/issue-98697.rs index df9f29151113..545af512d3d0 100644 --- a/tests/rustdoc/issue-98697.rs +++ b/tests/rustdoc/issue-98697.rs @@ -1,5 +1,6 @@ //@ aux-build:issue-98697-reexport-with-anonymous-lifetime.rs //@ ignore-cross-compile +#![crate_name = "foo"] // When reexporting a function with a HRTB with anonymous lifetimes, // make sure the anonymous lifetimes are not rendered. @@ -8,10 +9,10 @@ extern crate issue_98697_reexport_with_anonymous_lifetime; -// @has issue_98697/fn.repro.html '//pre[@class="rust item-decl"]/code' 'fn repro()where F: Fn(&str)' -// @!has issue_98697/fn.repro.html '//pre[@class="rust item-decl"]/code' 'for<' +// @has foo/fn.repro.html '//pre[@class="rust item-decl"]/code' 'fn repro()where F: Fn(&str)' +// @!has foo/fn.repro.html '//pre[@class="rust item-decl"]/code' 'for<' pub use issue_98697_reexport_with_anonymous_lifetime::repro; -// @has issue_98697/struct.Extra.html '//div[@id="trait-implementations-list"]//h3[@class="code-header"]' 'impl MyTrait<&Extra> for Extra' -// @!has issue_98697/struct.Extra.html '//div[@id="trait-implementations-list"]//h3[@class="code-header"]' 'impl<' +// @has foo/struct.Extra.html '//div[@id="trait-implementations-list"]//h3[@class="code-header"]' 'impl MyTrait<&Extra> for Extra' +// @!has foo/struct.Extra.html '//div[@id="trait-implementations-list"]//h3[@class="code-header"]' 'impl<' pub use issue_98697_reexport_with_anonymous_lifetime::Extra; diff --git a/tests/rustdoc/issue-99221-multiple-macro-rules-w-same-name-submodule.rs b/tests/rustdoc/issue-99221-multiple-macro-rules-w-same-name-submodule.rs index d3ccd1c069b6..ed1e42c1f4ee 100644 --- a/tests/rustdoc/issue-99221-multiple-macro-rules-w-same-name-submodule.rs +++ b/tests/rustdoc/issue-99221-multiple-macro-rules-w-same-name-submodule.rs @@ -2,6 +2,7 @@ //@ build-aux-docs //@ ignore-cross-compile +// https://github.com/rust-lang/rust/issues/99221 #![crate_name = "foo"] #[macro_use] From 55bd054a21533cbaa02836b0ca125c2eaaa4b8f4 Mon Sep 17 00:00:00 2001 From: Michael Howell Date: Tue, 21 May 2024 12:28:34 -0700 Subject: [PATCH 0368/1716] rustdoc: rename `issue-\d+.rs` tests to have meaningful names --- ...-asref-for-and-of-local.rs => asref-for-and-of-local-82465.rs} | 0 ...reexported-trait.rs => blanket-impl-reexported-trait-94183.rs} | 0 .../{issue-88600.rs => enum-variant-doc-hidden-field-88600.rs} | 0 .../{issue-89309-heading-levels.rs => heading-levels-89309.rs} | 0 .../{issue-86620.rs => method-anchor-in-blanket-impl-86620.rs} | 0 ...ule.rs => multiple-macro-rules-w-same-name-submodule-99221.rs} | 0 ...oc-inline.rs => multiple-mods-w-same-name-doc-inline-83375.rs} | 0 ...rs => multiple-mods-w-same-name-doc-inline-last-item-83375.rs} | 0 ...0233-normalize-auto-trait.rs => normalize-auto-trait-80233.rs} | 0 ...ort-in-public-api.rs => private-export-in-public-api-81141.rs} | 0 ...-public-api-2.rs => private-reexport-in-public-api-81141-2.rs} | 0 ...nerics.rs => private-reexport-in-public-api-generics-81141.rs} | 0 ...i-hidden.rs => private-reexport-in-public-api-hidden-81141.rs} | 0 ...private.rs => private-reexport-in-public-api-private-81141.rs} | 0 tests/rustdoc/{issue-89852.rs => pub-use-exported-macro-89852.rs} | 0 ...95633.rs => pub-use-primitive-document-private-items-95633.rs} | 0 tests/rustdoc/{issue-95873.rs => pub-use-root-path-95873.rs} | 0 tests/rustdoc/{issue-85454.rs => qpath-self-85454.rs} | 0 .../{issue-98697.rs => reexport-with-anonymous-lifetime-98697.rs} | 0 .../{issue-96381.rs => underscore-type-in-trait-impl-96381.rs} | 0 20 files changed, 0 insertions(+), 0 deletions(-) rename tests/rustdoc/{issue-82465-asref-for-and-of-local.rs => asref-for-and-of-local-82465.rs} (100%) rename tests/rustdoc/{issue-94183-blanket-impl-reexported-trait.rs => blanket-impl-reexported-trait-94183.rs} (100%) rename tests/rustdoc/{issue-88600.rs => enum-variant-doc-hidden-field-88600.rs} (100%) rename tests/rustdoc/{issue-89309-heading-levels.rs => heading-levels-89309.rs} (100%) rename tests/rustdoc/{issue-86620.rs => method-anchor-in-blanket-impl-86620.rs} (100%) rename tests/rustdoc/{issue-99221-multiple-macro-rules-w-same-name-submodule.rs => multiple-macro-rules-w-same-name-submodule-99221.rs} (100%) rename tests/rustdoc/{issue-83375-multiple-mods-w-same-name-doc-inline.rs => multiple-mods-w-same-name-doc-inline-83375.rs} (100%) rename tests/rustdoc/{issue-83375-multiple-mods-w-same-name-doc-inline-last-item.rs => multiple-mods-w-same-name-doc-inline-last-item-83375.rs} (100%) rename tests/rustdoc/{issue-80233-normalize-auto-trait.rs => normalize-auto-trait-80233.rs} (100%) rename tests/rustdoc/{issue-81141-private-reexport-in-public-api.rs => private-export-in-public-api-81141.rs} (100%) rename tests/rustdoc/{issue-81141-private-reexport-in-public-api-2.rs => private-reexport-in-public-api-81141-2.rs} (100%) rename tests/rustdoc/{issue-81141-private-reexport-in-public-api-generics.rs => private-reexport-in-public-api-generics-81141.rs} (100%) rename tests/rustdoc/{issue-81141-private-reexport-in-public-api-hidden.rs => private-reexport-in-public-api-hidden-81141.rs} (100%) rename tests/rustdoc/{issue-81141-private-reexport-in-public-api-private.rs => private-reexport-in-public-api-private-81141.rs} (100%) rename tests/rustdoc/{issue-89852.rs => pub-use-exported-macro-89852.rs} (100%) rename tests/rustdoc/{issue-95633.rs => pub-use-primitive-document-private-items-95633.rs} (100%) rename tests/rustdoc/{issue-95873.rs => pub-use-root-path-95873.rs} (100%) rename tests/rustdoc/{issue-85454.rs => qpath-self-85454.rs} (100%) rename tests/rustdoc/{issue-98697.rs => reexport-with-anonymous-lifetime-98697.rs} (100%) rename tests/rustdoc/{issue-96381.rs => underscore-type-in-trait-impl-96381.rs} (100%) diff --git a/tests/rustdoc/issue-82465-asref-for-and-of-local.rs b/tests/rustdoc/asref-for-and-of-local-82465.rs similarity index 100% rename from tests/rustdoc/issue-82465-asref-for-and-of-local.rs rename to tests/rustdoc/asref-for-and-of-local-82465.rs diff --git a/tests/rustdoc/issue-94183-blanket-impl-reexported-trait.rs b/tests/rustdoc/blanket-impl-reexported-trait-94183.rs similarity index 100% rename from tests/rustdoc/issue-94183-blanket-impl-reexported-trait.rs rename to tests/rustdoc/blanket-impl-reexported-trait-94183.rs diff --git a/tests/rustdoc/issue-88600.rs b/tests/rustdoc/enum-variant-doc-hidden-field-88600.rs similarity index 100% rename from tests/rustdoc/issue-88600.rs rename to tests/rustdoc/enum-variant-doc-hidden-field-88600.rs diff --git a/tests/rustdoc/issue-89309-heading-levels.rs b/tests/rustdoc/heading-levels-89309.rs similarity index 100% rename from tests/rustdoc/issue-89309-heading-levels.rs rename to tests/rustdoc/heading-levels-89309.rs diff --git a/tests/rustdoc/issue-86620.rs b/tests/rustdoc/method-anchor-in-blanket-impl-86620.rs similarity index 100% rename from tests/rustdoc/issue-86620.rs rename to tests/rustdoc/method-anchor-in-blanket-impl-86620.rs diff --git a/tests/rustdoc/issue-99221-multiple-macro-rules-w-same-name-submodule.rs b/tests/rustdoc/multiple-macro-rules-w-same-name-submodule-99221.rs similarity index 100% rename from tests/rustdoc/issue-99221-multiple-macro-rules-w-same-name-submodule.rs rename to tests/rustdoc/multiple-macro-rules-w-same-name-submodule-99221.rs diff --git a/tests/rustdoc/issue-83375-multiple-mods-w-same-name-doc-inline.rs b/tests/rustdoc/multiple-mods-w-same-name-doc-inline-83375.rs similarity index 100% rename from tests/rustdoc/issue-83375-multiple-mods-w-same-name-doc-inline.rs rename to tests/rustdoc/multiple-mods-w-same-name-doc-inline-83375.rs diff --git a/tests/rustdoc/issue-83375-multiple-mods-w-same-name-doc-inline-last-item.rs b/tests/rustdoc/multiple-mods-w-same-name-doc-inline-last-item-83375.rs similarity index 100% rename from tests/rustdoc/issue-83375-multiple-mods-w-same-name-doc-inline-last-item.rs rename to tests/rustdoc/multiple-mods-w-same-name-doc-inline-last-item-83375.rs diff --git a/tests/rustdoc/issue-80233-normalize-auto-trait.rs b/tests/rustdoc/normalize-auto-trait-80233.rs similarity index 100% rename from tests/rustdoc/issue-80233-normalize-auto-trait.rs rename to tests/rustdoc/normalize-auto-trait-80233.rs diff --git a/tests/rustdoc/issue-81141-private-reexport-in-public-api.rs b/tests/rustdoc/private-export-in-public-api-81141.rs similarity index 100% rename from tests/rustdoc/issue-81141-private-reexport-in-public-api.rs rename to tests/rustdoc/private-export-in-public-api-81141.rs diff --git a/tests/rustdoc/issue-81141-private-reexport-in-public-api-2.rs b/tests/rustdoc/private-reexport-in-public-api-81141-2.rs similarity index 100% rename from tests/rustdoc/issue-81141-private-reexport-in-public-api-2.rs rename to tests/rustdoc/private-reexport-in-public-api-81141-2.rs diff --git a/tests/rustdoc/issue-81141-private-reexport-in-public-api-generics.rs b/tests/rustdoc/private-reexport-in-public-api-generics-81141.rs similarity index 100% rename from tests/rustdoc/issue-81141-private-reexport-in-public-api-generics.rs rename to tests/rustdoc/private-reexport-in-public-api-generics-81141.rs diff --git a/tests/rustdoc/issue-81141-private-reexport-in-public-api-hidden.rs b/tests/rustdoc/private-reexport-in-public-api-hidden-81141.rs similarity index 100% rename from tests/rustdoc/issue-81141-private-reexport-in-public-api-hidden.rs rename to tests/rustdoc/private-reexport-in-public-api-hidden-81141.rs diff --git a/tests/rustdoc/issue-81141-private-reexport-in-public-api-private.rs b/tests/rustdoc/private-reexport-in-public-api-private-81141.rs similarity index 100% rename from tests/rustdoc/issue-81141-private-reexport-in-public-api-private.rs rename to tests/rustdoc/private-reexport-in-public-api-private-81141.rs diff --git a/tests/rustdoc/issue-89852.rs b/tests/rustdoc/pub-use-exported-macro-89852.rs similarity index 100% rename from tests/rustdoc/issue-89852.rs rename to tests/rustdoc/pub-use-exported-macro-89852.rs diff --git a/tests/rustdoc/issue-95633.rs b/tests/rustdoc/pub-use-primitive-document-private-items-95633.rs similarity index 100% rename from tests/rustdoc/issue-95633.rs rename to tests/rustdoc/pub-use-primitive-document-private-items-95633.rs diff --git a/tests/rustdoc/issue-95873.rs b/tests/rustdoc/pub-use-root-path-95873.rs similarity index 100% rename from tests/rustdoc/issue-95873.rs rename to tests/rustdoc/pub-use-root-path-95873.rs diff --git a/tests/rustdoc/issue-85454.rs b/tests/rustdoc/qpath-self-85454.rs similarity index 100% rename from tests/rustdoc/issue-85454.rs rename to tests/rustdoc/qpath-self-85454.rs diff --git a/tests/rustdoc/issue-98697.rs b/tests/rustdoc/reexport-with-anonymous-lifetime-98697.rs similarity index 100% rename from tests/rustdoc/issue-98697.rs rename to tests/rustdoc/reexport-with-anonymous-lifetime-98697.rs diff --git a/tests/rustdoc/issue-96381.rs b/tests/rustdoc/underscore-type-in-trait-impl-96381.rs similarity index 100% rename from tests/rustdoc/issue-96381.rs rename to tests/rustdoc/underscore-type-in-trait-impl-96381.rs From 3b979aebfe98099d2c2c6d320e364e9b7a50a8ac Mon Sep 17 00:00:00 2001 From: Xiretza Date: Wed, 17 Apr 2024 20:21:38 +0000 Subject: [PATCH 0369/1716] Implement IntoDiagArg for hir Namespace --- compiler/rustc_errors/src/diagnostic_impls.rs | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/compiler/rustc_errors/src/diagnostic_impls.rs b/compiler/rustc_errors/src/diagnostic_impls.rs index 4bf7dccab923..662c8a7b8be0 100644 --- a/compiler/rustc_errors/src/diagnostic_impls.rs +++ b/compiler/rustc_errors/src/diagnostic_impls.rs @@ -282,6 +282,12 @@ impl IntoDiagArg for ClosureKind { } } +impl IntoDiagArg for hir::def::Namespace { + fn into_diag_arg(self) -> DiagArgValue { + DiagArgValue::Str(Cow::Borrowed(self.descr())) + } +} + #[derive(Clone)] pub struct DiagSymbolList(Vec); From 56bca95875ac710faebdaf35df4eff17e1e64c73 Mon Sep 17 00:00:00 2001 From: Xiretza Date: Sun, 21 Apr 2024 19:56:00 +0000 Subject: [PATCH 0370/1716] Implement IntoDiagArg for RustcVersion --- compiler/rustc_session/src/version.rs | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/compiler/rustc_session/src/version.rs b/compiler/rustc_session/src/version.rs index 39e4541349ec..e244c77f7f95 100644 --- a/compiler/rustc_session/src/version.rs +++ b/compiler/rustc_session/src/version.rs @@ -1,5 +1,10 @@ use rustc_macros::{current_rustc_version, Decodable, Encodable, HashStable_Generic}; -use std::fmt::{self, Display}; +use std::{ + borrow::Cow, + fmt::{self, Display}, +}; + +use rustc_errors::IntoDiagArg; #[derive(Encodable, Decodable, Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)] #[derive(HashStable_Generic)] @@ -18,3 +23,9 @@ impl Display for RustcVersion { write!(formatter, "{}.{}.{}", self.major, self.minor, self.patch) } } + +impl IntoDiagArg for RustcVersion { + fn into_diag_arg(self) -> rustc_errors::DiagArgValue { + rustc_errors::DiagArgValue::Str(Cow::Owned(self.to_string())) + } +} From eee14e9adf525169f8ea6fdf2579f6abce7ab24c Mon Sep 17 00:00:00 2001 From: Xiretza Date: Wed, 24 Apr 2024 17:28:26 +0000 Subject: [PATCH 0371/1716] Add note_once/help_once to diagnostic derives --- .../src/diagnostics/diagnostic_builder.rs | 16 ++++++++++++---- compiler/rustc_macros/src/diagnostics/utils.rs | 12 ++++++++++++ compiler/rustc_macros/src/lib.rs | 6 ++++++ 3 files changed, 30 insertions(+), 4 deletions(-) diff --git a/compiler/rustc_macros/src/diagnostics/diagnostic_builder.rs b/compiler/rustc_macros/src/diagnostics/diagnostic_builder.rs index ae481efb263d..38d4a5ee61ce 100644 --- a/compiler/rustc_macros/src/diagnostics/diagnostic_builder.rs +++ b/compiler/rustc_macros/src/diagnostics/diagnostic_builder.rs @@ -158,7 +158,9 @@ impl DiagnosticDeriveVariantBuilder { let slug = subdiag.slug.unwrap_or_else(|| match subdiag.kind { SubdiagnosticKind::Label => parse_quote! { _subdiag::label }, SubdiagnosticKind::Note => parse_quote! { _subdiag::note }, + SubdiagnosticKind::NoteOnce => parse_quote! { _subdiag::note_once }, SubdiagnosticKind::Help => parse_quote! { _subdiag::help }, + SubdiagnosticKind::HelpOnce => parse_quote! { _subdiag::help_once }, SubdiagnosticKind::Warn => parse_quote! { _subdiag::warn }, SubdiagnosticKind::Suggestion { .. } => parse_quote! { _subdiag::suggestion }, SubdiagnosticKind::MultipartSuggestion { .. } => unreachable!(), @@ -233,9 +235,11 @@ impl DiagnosticDeriveVariantBuilder { }; let fn_ident = format_ident!("{}", subdiag); match subdiag { - SubdiagnosticKind::Note | SubdiagnosticKind::Help | SubdiagnosticKind::Warn => { - Ok(self.add_subdiagnostic(&fn_ident, slug)) - } + SubdiagnosticKind::Note + | SubdiagnosticKind::NoteOnce + | SubdiagnosticKind::Help + | SubdiagnosticKind::HelpOnce + | SubdiagnosticKind::Warn => Ok(self.add_subdiagnostic(&fn_ident, slug)), SubdiagnosticKind::Label | SubdiagnosticKind::Suggestion { .. } => { throw_invalid_attr!(attr, |diag| diag .help("`#[label]` and `#[suggestion]` can only be applied to fields")); @@ -347,7 +351,11 @@ impl DiagnosticDeriveVariantBuilder { report_error_if_not_applied_to_span(attr, &info)?; Ok(self.add_spanned_subdiagnostic(binding, &fn_ident, slug)) } - SubdiagnosticKind::Note | SubdiagnosticKind::Help | SubdiagnosticKind::Warn => { + SubdiagnosticKind::Note + | SubdiagnosticKind::NoteOnce + | SubdiagnosticKind::Help + | SubdiagnosticKind::HelpOnce + | SubdiagnosticKind::Warn => { let inner = info.ty.inner_type(); if type_matches_path(inner, &["rustc_span", "Span"]) || type_matches_path(inner, &["rustc_span", "MultiSpan"]) diff --git a/compiler/rustc_macros/src/diagnostics/utils.rs b/compiler/rustc_macros/src/diagnostics/utils.rs index 4684306e2359..05a5a32514bb 100644 --- a/compiler/rustc_macros/src/diagnostics/utils.rs +++ b/compiler/rustc_macros/src/diagnostics/utils.rs @@ -575,8 +575,12 @@ pub(super) enum SubdiagnosticKind { Label, /// `#[note(...)]` Note, + /// `#[note_once(...)]` + NoteOnce, /// `#[help(...)]` Help, + /// `#[help_once(...)]` + HelpOnce, /// `#[warning(...)]` Warn, /// `#[suggestion{,_short,_hidden,_verbose}]` @@ -624,7 +628,9 @@ impl SubdiagnosticVariant { let mut kind = match name { "label" => SubdiagnosticKind::Label, "note" => SubdiagnosticKind::Note, + "note_once" => SubdiagnosticKind::NoteOnce, "help" => SubdiagnosticKind::Help, + "help_once" => SubdiagnosticKind::HelpOnce, "warning" => SubdiagnosticKind::Warn, _ => { // Recover old `#[(multipart_)suggestion_*]` syntaxes @@ -682,7 +688,9 @@ impl SubdiagnosticVariant { match kind { SubdiagnosticKind::Label | SubdiagnosticKind::Note + | SubdiagnosticKind::NoteOnce | SubdiagnosticKind::Help + | SubdiagnosticKind::HelpOnce | SubdiagnosticKind::Warn | SubdiagnosticKind::MultipartSuggestion { .. } => { return Ok(Some(SubdiagnosticVariant { kind, slug: None, no_span: false })); @@ -836,7 +844,9 @@ impl SubdiagnosticVariant { } SubdiagnosticKind::Label | SubdiagnosticKind::Note + | SubdiagnosticKind::NoteOnce | SubdiagnosticKind::Help + | SubdiagnosticKind::HelpOnce | SubdiagnosticKind::Warn => {} } @@ -849,7 +859,9 @@ impl quote::IdentFragment for SubdiagnosticKind { match self { SubdiagnosticKind::Label => write!(f, "label"), SubdiagnosticKind::Note => write!(f, "note"), + SubdiagnosticKind::NoteOnce => write!(f, "note_once"), SubdiagnosticKind::Help => write!(f, "help"), + SubdiagnosticKind::HelpOnce => write!(f, "help_once"), SubdiagnosticKind::Warn => write!(f, "warn"), SubdiagnosticKind::Suggestion { .. } => write!(f, "suggestions_with_style"), SubdiagnosticKind::MultipartSuggestion { .. } => { diff --git a/compiler/rustc_macros/src/lib.rs b/compiler/rustc_macros/src/lib.rs index c7b7eadbd9d6..de9c916b4f04 100644 --- a/compiler/rustc_macros/src/lib.rs +++ b/compiler/rustc_macros/src/lib.rs @@ -108,7 +108,9 @@ decl_derive!( // struct attributes diag, help, + help_once, note, + note_once, warning, // field attributes skip_arg, @@ -125,7 +127,9 @@ decl_derive!( // struct attributes diag, help, + help_once, note, + note_once, warning, // field attributes skip_arg, @@ -142,7 +146,9 @@ decl_derive!( // struct/variant attributes label, help, + help_once, note, + note_once, warning, subdiagnostic, suggestion, From 36902fbcf6d3ae211141b393b93ceef632d0db57 Mon Sep 17 00:00:00 2001 From: Xiretza Date: Wed, 24 Apr 2024 17:05:48 +0000 Subject: [PATCH 0372/1716] Fix subdiagnostic-only enum variants not generating code --- compiler/rustc_macros/src/diagnostics/subdiagnostic.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/compiler/rustc_macros/src/diagnostics/subdiagnostic.rs b/compiler/rustc_macros/src/diagnostics/subdiagnostic.rs index 45236771bce6..69014f39925a 100644 --- a/compiler/rustc_macros/src/diagnostics/subdiagnostic.rs +++ b/compiler/rustc_macros/src/diagnostics/subdiagnostic.rs @@ -510,11 +510,11 @@ impl<'parent, 'a> SubdiagnosticDeriveVariantBuilder<'parent, 'a> { .map(|binding| self.generate_field_attr_code(binding, kind_stats)) .collect(); - if kind_slugs.is_empty() { + if kind_slugs.is_empty() && !self.has_subdiagnostic { if self.is_enum { // It's okay for a variant to not be a subdiagnostic at all.. return Ok(quote! {}); - } else if !self.has_subdiagnostic { + } else { // ..but structs should always be _something_. throw_span_err!( self.variant.ast().ident.span().unwrap(), From bac6b6248b63d2cd39b8d010e8b23308a4800508 Mon Sep 17 00:00:00 2001 From: Xiretza Date: Tue, 16 Apr 2024 16:23:47 +0000 Subject: [PATCH 0373/1716] Convert NAMED_ASM_LABELS lint to diag struct --- compiler/rustc_lint/messages.ftl | 2 ++ compiler/rustc_lint/src/builtin.rs | 21 ++++++------------- .../rustc_lint/src/context/diagnostics.rs | 4 ---- compiler/rustc_lint/src/lints.rs | 6 ++++++ compiler/rustc_lint_defs/src/lib.rs | 1 - 5 files changed, 14 insertions(+), 20 deletions(-) diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index cf9d089ff626..34a40deafad0 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -30,6 +30,8 @@ lint_builtin_anonymous_params = anonymous parameters are deprecated and will be .suggestion = try naming the parameter or explicitly ignoring it lint_builtin_asm_labels = avoid using named labels in inline assembly + .help = only local labels of the form `:` should be used in inline asm + .note = see the asm section of Rust By Example for more information lint_builtin_box_pointers = type uses owned (Box type) pointers: {$ty} diff --git a/compiler/rustc_lint/src/builtin.rs b/compiler/rustc_lint/src/builtin.rs index 6b9f9d1531ea..0f059bceae7c 100644 --- a/compiler/rustc_lint/src/builtin.rs +++ b/compiler/rustc_lint/src/builtin.rs @@ -30,10 +30,10 @@ use crate::{ BuiltinExplicitOutlivesSuggestion, BuiltinFeatureIssueNote, BuiltinIncompleteFeatures, BuiltinIncompleteFeaturesHelp, BuiltinInternalFeatures, BuiltinKeywordIdents, BuiltinMissingCopyImpl, BuiltinMissingDebugImpl, BuiltinMissingDoc, - BuiltinMutablesTransmutes, BuiltinNoMangleGeneric, BuiltinNonShorthandFieldPatterns, - BuiltinSpecialModuleNameUsed, BuiltinTrivialBounds, BuiltinTypeAliasGenericBounds, - BuiltinTypeAliasGenericBoundsSuggestion, BuiltinTypeAliasWhereClause, - BuiltinUngatedAsyncFnTrackCaller, BuiltinUnpermittedTypeInit, + BuiltinMutablesTransmutes, BuiltinNamedAsmLabel, BuiltinNoMangleGeneric, + BuiltinNonShorthandFieldPatterns, BuiltinSpecialModuleNameUsed, BuiltinTrivialBounds, + BuiltinTypeAliasGenericBounds, BuiltinTypeAliasGenericBoundsSuggestion, + BuiltinTypeAliasWhereClause, BuiltinUngatedAsyncFnTrackCaller, BuiltinUnpermittedTypeInit, BuiltinUnpermittedTypeInitSub, BuiltinUnreachablePub, BuiltinUnsafe, BuiltinUnstableFeatures, BuiltinUnusedDocComment, BuiltinUnusedDocCommentSub, BuiltinWhileTrue, SuggestChangingAssocTypes, @@ -60,7 +60,7 @@ use rustc_middle::ty::GenericArgKind; use rustc_middle::ty::TypeVisitableExt; use rustc_middle::ty::Upcast; use rustc_middle::ty::{self, Ty, TyCtxt, VariantDef}; -use rustc_session::lint::{BuiltinLintDiag, FutureIncompatibilityReason}; +use rustc_session::lint::FutureIncompatibilityReason; use rustc_session::{declare_lint, declare_lint_pass, impl_lint_pass}; use rustc_span::edition::Edition; use rustc_span::source_map::Spanned; @@ -2882,16 +2882,7 @@ impl<'tcx> LateLintPass<'tcx> for NamedAsmLabels { let target_spans: MultiSpan = if spans.len() > 0 { spans.into() } else { (*template_span).into() }; - cx.span_lint_with_diagnostics( - NAMED_ASM_LABELS, - Some(target_spans), - fluent::lint_builtin_asm_labels, - |_| {}, - BuiltinLintDiag::NamedAsmLabel( - "only local labels of the form `:` should be used in inline asm" - .to_string(), - ), - ); + cx.emit_span_lint(NAMED_ASM_LABELS, target_spans, BuiltinNamedAsmLabel); } } } diff --git a/compiler/rustc_lint/src/context/diagnostics.rs b/compiler/rustc_lint/src/context/diagnostics.rs index 5ad3ff71a6d4..b8aac6c15d94 100644 --- a/compiler/rustc_lint/src/context/diagnostics.rs +++ b/compiler/rustc_lint/src/context/diagnostics.rs @@ -179,10 +179,6 @@ pub(super) fn builtin(sess: &Session, diagnostic: BuiltinLintDiag, diag: &mut Di Applicability::MachineApplicable, ); } - BuiltinLintDiag::NamedAsmLabel(help) => { - diag.help(help); - diag.note("see the asm section of Rust By Example for more information"); - } BuiltinLintDiag::UnexpectedCfgName(name, value) => { check_cfg::unexpected_cfg_name(sess, diag, name, value) } diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index bc0c8cf85d8a..42a177157bc1 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -1947,3 +1947,9 @@ pub struct UnitBindingsDiag { #[label] pub label: Span, } + +#[derive(LintDiagnostic)] +#[diag(lint_builtin_asm_labels)] +#[help] +#[note] +pub struct BuiltinNamedAsmLabel; diff --git a/compiler/rustc_lint_defs/src/lib.rs b/compiler/rustc_lint_defs/src/lib.rs index e06e3e9b805f..7da65ba0eec9 100644 --- a/compiler/rustc_lint_defs/src/lib.rs +++ b/compiler/rustc_lint_defs/src/lib.rs @@ -592,7 +592,6 @@ pub enum BuiltinLintDiag { ReservedPrefix(Span), TrailingMacro(bool, Ident), BreakWithLabelAndLoop(Span), - NamedAsmLabel(String), UnicodeTextFlow(Span, String), UnexpectedCfgName((Symbol, Span), Option<(Symbol, Span)>), UnexpectedCfgValue((Symbol, Span), Option<(Symbol, Span)>), From 2482f3c17cd1fd4c4988b1f4fbf07270cd93c771 Mon Sep 17 00:00:00 2001 From: Xiretza Date: Tue, 23 Apr 2024 16:18:24 +0000 Subject: [PATCH 0374/1716] Convert unexpected_cfg_{name,value} to struct diagnostics --- compiler/rustc_lint/messages.ftl | 34 ++ .../src/context/diagnostics/check_cfg.rs | 307 +++++++++--------- compiler/rustc_lint/src/lints.rs | 251 ++++++++++++++ tests/ui/check-cfg/allow-same-level.stderr | 2 +- tests/ui/check-cfg/cargo-feature.none.stderr | 2 +- tests/ui/check-cfg/cargo-feature.some.stderr | 2 +- .../cfg-value-for-cfg-name-duplicate.stderr | 2 +- .../cfg-value-for-cfg-name-multiple.stderr | 2 +- .../check-cfg/cfg-value-for-cfg-name.stderr | 2 +- tests/ui/check-cfg/compact-names.stderr | 2 +- tests/ui/check-cfg/compact-values.stderr | 2 +- tests/ui/check-cfg/concat-values.stderr | 4 +- .../exhaustive-names-values.empty_cfg.stderr | 2 +- .../exhaustive-names-values.feature.stderr | 2 +- .../exhaustive-names-values.full.stderr | 2 +- tests/ui/check-cfg/exhaustive-names.stderr | 2 +- tests/ui/check-cfg/mix.stderr | 4 +- tests/ui/check-cfg/stmt-no-ice.stderr | 2 +- .../ui/check-cfg/unexpected-cfg-value.stderr | 4 +- tests/ui/check-cfg/well-known-names.stderr | 2 +- tests/ui/check-cfg/well-known-values.stderr | 32 +- 21 files changed, 474 insertions(+), 190 deletions(-) diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index 34a40deafad0..6ad13c018128 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -593,6 +593,40 @@ lint_undropped_manually_drops = calls to `std::mem::drop` with `std::mem::Manual .label = argument has type `{$arg_ty}` .suggestion = use `std::mem::ManuallyDrop::into_inner` to get the inner value +lint_unexpected_cfg_add_build_rs_println = or consider adding `{$build_rs_println}` to the top of the `build.rs` +lint_unexpected_cfg_add_cargo_feature = consider using a Cargo feature instead +lint_unexpected_cfg_add_cargo_toml_lint_cfg = or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:{$cargo_toml_lint_cfg} +lint_unexpected_cfg_add_cmdline_arg = to expect this configuration use `{$cmdline_arg}` +lint_unexpected_cfg_define_features = consider defining some features in `Cargo.toml` +lint_unexpected_cfg_doc_cargo = see for more information about checking conditional configuration +lint_unexpected_cfg_doc_rustc = see for more information about checking conditional configuration + +lint_unexpected_cfg_name_expected_names = expected names are: {$possibilities}{$and_more -> + [0] {""} + *[other] {" "}and {$and_more} more + } +lint_unexpected_cfg_name_expected_values = expected values for `{$best_match}` are: {$possibilities} +lint_unexpected_cfg_name_similar_name = there is a config with a similar name +lint_unexpected_cfg_name_similar_name_different_values = there is a config with a similar name and different values +lint_unexpected_cfg_name_similar_name_no_value = there is a config with a similar name and no value +lint_unexpected_cfg_name_similar_name_value = there is a config with a similar name and value +lint_unexpected_cfg_name_with_similar_value = found config with similar value + +lint_unexpected_cfg_value_add_feature = consider adding `{$value}` as a feature in `Cargo.toml` +lint_unexpected_cfg_value_expected_values = expected values for `{$name}` are: {$have_none_possibility -> + [true] {"(none), "} + *[false] {""} + }{$possibilities}{$and_more -> + [0] {""} + *[other] {" "}and {$and_more} more + } +lint_unexpected_cfg_value_no_expected_value = no expected value for `{$name}` +lint_unexpected_cfg_value_no_expected_values = no expected values for `{$name}` +lint_unexpected_cfg_value_remove_condition = remove the condition +lint_unexpected_cfg_value_remove_value = remove the value +lint_unexpected_cfg_value_similar_name = there is a expected value with a similar name +lint_unexpected_cfg_value_specify_value = specify a config value + lint_ungated_async_fn_track_caller = `#[track_caller]` on async functions is a no-op .label = this function will not propagate the caller location diff --git a/compiler/rustc_lint/src/context/diagnostics/check_cfg.rs b/compiler/rustc_lint/src/context/diagnostics/check_cfg.rs index 3fa04ab75f8d..38a87d9a11c2 100644 --- a/compiler/rustc_lint/src/context/diagnostics/check_cfg.rs +++ b/compiler/rustc_lint/src/context/diagnostics/check_cfg.rs @@ -1,44 +1,28 @@ -use rustc_errors::{Applicability, Diag}; +use rustc_errors::Diag; use rustc_middle::bug; use rustc_session::{config::ExpectedValues, Session}; use rustc_span::edit_distance::find_best_match_for_name; use rustc_span::{sym, Span, Symbol}; +use crate::lints; + const MAX_CHECK_CFG_NAMES_OR_VALUES: usize = 35; -fn check_cfg_expected_note( +fn sort_and_truncate_possibilities( sess: &Session, - possibilities: &[Symbol], - type_: &str, - name: Option, - suffix: &str, -) -> String { - use std::fmt::Write; - + mut possibilities: Vec, +) -> (Vec, usize) { let n_possibilities = if sess.opts.unstable_opts.check_cfg_all_expected { possibilities.len() } else { std::cmp::min(possibilities.len(), MAX_CHECK_CFG_NAMES_OR_VALUES) }; - let mut possibilities = possibilities.iter().map(Symbol::as_str).collect::>(); - possibilities.sort(); + possibilities.sort_by(|s1, s2| s1.as_str().cmp(s2.as_str())); let and_more = possibilities.len().saturating_sub(n_possibilities); - let possibilities = possibilities[..n_possibilities].join("`, `"); - - let mut note = String::with_capacity(50 + possibilities.len()); - - write!(&mut note, "expected {type_}").unwrap(); - if let Some(name) = name { - write!(&mut note, " for `{name}`").unwrap(); - } - write!(&mut note, " are: {suffix}`{possibilities}`").unwrap(); - if and_more > 0 { - write!(&mut note, " and {and_more} more").unwrap(); - } - - note + possibilities.truncate(n_possibilities); + (possibilities, and_more) } enum EscapeQuotes { @@ -87,106 +71,115 @@ pub(super) fn unexpected_cfg_name( let is_from_cargo = rustc_session::utils::was_invoked_from_cargo(); let mut is_feature_cfg = name == sym::feature; - if is_feature_cfg && is_from_cargo { - diag.help("consider defining some features in `Cargo.toml`"); + let code_sugg = if is_feature_cfg && is_from_cargo { + lints::unexpected_cfg_name::CodeSuggestion::DefineFeatures // Suggest the most probable if we found one } else if let Some(best_match) = find_best_match_for_name(&possibilities, name, None) { + is_feature_cfg |= best_match == sym::feature; + if let Some(ExpectedValues::Some(best_match_values)) = sess.psess.check_config.expecteds.get(&best_match) { // We will soon sort, so the initial order does not matter. #[allow(rustc::potential_query_instability)] - let mut possibilities = - best_match_values.iter().flatten().map(Symbol::as_str).collect::>(); - possibilities.sort(); + let mut possibilities = best_match_values.iter().flatten().collect::>(); + possibilities.sort_by_key(|s| s.as_str()); + + let get_possibilities_sub = || { + if !possibilities.is_empty() { + let possibilities = + possibilities.iter().copied().cloned().collect::>().into(); + Some(lints::unexpected_cfg_name::ExpectedValues { best_match, possibilities }) + } else { + None + } + }; - let mut should_print_possibilities = true; if let Some((value, value_span)) = value { if best_match_values.contains(&Some(value)) { - diag.span_suggestion( - name_span, - "there is a config with a similar name and value", - best_match, - Applicability::MaybeIncorrect, - ); - should_print_possibilities = false; + lints::unexpected_cfg_name::CodeSuggestion::SimilarNameAndValue { + span: name_span, + code: best_match.to_string(), + } } else if best_match_values.contains(&None) { - diag.span_suggestion( - name_span.to(value_span), - "there is a config with a similar name and no value", - best_match, - Applicability::MaybeIncorrect, - ); - should_print_possibilities = false; + lints::unexpected_cfg_name::CodeSuggestion::SimilarNameNoValue { + span: name_span.to(value_span), + code: best_match.to_string(), + } } else if let Some(first_value) = possibilities.first() { - diag.span_suggestion( - name_span.to(value_span), - "there is a config with a similar name and different values", - format!("{best_match} = \"{first_value}\""), - Applicability::MaybeIncorrect, - ); + lints::unexpected_cfg_name::CodeSuggestion::SimilarNameDifferentValues { + span: name_span.to(value_span), + code: format!("{best_match} = \"{first_value}\""), + expected: get_possibilities_sub(), + } } else { - diag.span_suggestion( - name_span.to(value_span), - "there is a config with a similar name and different values", - best_match, - Applicability::MaybeIncorrect, - ); - }; + lints::unexpected_cfg_name::CodeSuggestion::SimilarNameDifferentValues { + span: name_span.to(value_span), + code: best_match.to_string(), + expected: get_possibilities_sub(), + } + } } else { - diag.span_suggestion( - name_span, - "there is a config with a similar name", - best_match, - Applicability::MaybeIncorrect, - ); - } - - if !possibilities.is_empty() && should_print_possibilities { - let possibilities = possibilities.join("`, `"); - diag.help(format!("expected values for `{best_match}` are: `{possibilities}`")); + lints::unexpected_cfg_name::CodeSuggestion::SimilarName { + span: name_span, + code: best_match.to_string(), + expected: get_possibilities_sub(), + } } } else { - diag.span_suggestion( - name_span, - "there is a config with a similar name", - best_match, - Applicability::MaybeIncorrect, - ); - } - - is_feature_cfg |= best_match == sym::feature; - } else { - if !names_possibilities.is_empty() && names_possibilities.len() <= 3 { - names_possibilities.sort(); - for cfg_name in names_possibilities.iter() { - diag.span_suggestion( - name_span, - "found config with similar value", - format!("{cfg_name} = \"{name}\""), - Applicability::MaybeIncorrect, - ); + lints::unexpected_cfg_name::CodeSuggestion::SimilarName { + span: name_span, + code: best_match.to_string(), + expected: None, } } - if !possibilities.is_empty() { - diag.help_once(check_cfg_expected_note(sess, &possibilities, "names", None, "")); + } else { + let similar_values = if !names_possibilities.is_empty() && names_possibilities.len() <= 3 { + names_possibilities.sort(); + names_possibilities + .iter() + .map(|cfg_name| lints::unexpected_cfg_name::FoundWithSimilarValue { + span: name_span, + code: format!("{cfg_name} = \"{name}\""), + }) + .collect() + } else { + vec![] + }; + let expected_names = if !possibilities.is_empty() { + let (possibilities, and_more) = sort_and_truncate_possibilities(sess, possibilities); + Some(lints::unexpected_cfg_name::ExpectedNames { + possibilities: possibilities.into(), + and_more, + }) + } else { + None + }; + lints::unexpected_cfg_name::CodeSuggestion::SimilarValues { + with_similar_values: similar_values, + expected_names, } - } + }; let inst = |escape_quotes| to_check_cfg_arg(name, value.map(|(v, _s)| v), escape_quotes); - if is_from_cargo { - if !is_feature_cfg { - diag.help(format!("consider using a Cargo feature instead")); - diag.help(format!("or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:\n [lints.rust]\n unexpected_cfgs = {{ level = \"warn\", check-cfg = ['{}'] }}", inst(EscapeQuotes::No))); - diag.help(format!("or consider adding `println!(\"cargo::rustc-check-cfg={}\");` to the top of the `build.rs`", inst(EscapeQuotes::Yes))); - } - diag.note("see for more information about checking conditional configuration"); + let invocation_help = if is_from_cargo { + let sub = if !is_feature_cfg { + Some(lints::UnexpectedCfgCargoHelp::new( + &inst(EscapeQuotes::No), + &inst(EscapeQuotes::Yes), + )) + } else { + None + }; + lints::unexpected_cfg_name::InvocationHelp::Cargo { sub } } else { - let inst = inst(EscapeQuotes::No); - diag.help(format!("to expect this configuration use `--check-cfg={inst}`",)); - diag.note("see for more information about checking conditional configuration"); - } + lints::unexpected_cfg_name::InvocationHelp::Rustc(lints::UnexpectedCfgRustcHelp::new( + &inst(EscapeQuotes::No), + )) + }; + + diag.subdiagnostic(diag.dcx, lints::UnexpectedCfgNameSub { code_sugg, invocation_help }); } pub(super) fn unexpected_cfg_value( @@ -214,53 +207,53 @@ pub(super) fn unexpected_cfg_value( // Show the full list if all possible values for a given name, but don't do it // for names as the possibilities could be very long - if !possibilities.is_empty() { - diag.note(check_cfg_expected_note( - sess, - &possibilities, - "values", - Some(name), - if have_none_possibility { "(none), " } else { "" }, - )); + let code_sugg = if !possibilities.is_empty() { + let expected_values = { + let (possibilities, and_more) = + sort_and_truncate_possibilities(sess, possibilities.clone()); + lints::unexpected_cfg_value::ExpectedValues { + name, + have_none_possibility, + possibilities: possibilities.into(), + and_more, + } + }; - if let Some((value, value_span)) = value { + let suggestion = if let Some((value, value_span)) = value { // Suggest the most probable if we found one if let Some(best_match) = find_best_match_for_name(&possibilities, value, None) { - diag.span_suggestion( - value_span, - "there is a expected value with a similar name", - format!("\"{best_match}\""), - Applicability::MaybeIncorrect, - ); + Some(lints::unexpected_cfg_value::ChangeValueSuggestion::SimilarName { + span: value_span, + best_match, + }) + } else { + None } } else if let &[first_possibility] = &possibilities[..] { - diag.span_suggestion( - name_span.shrink_to_hi(), - "specify a config value", - format!(" = \"{first_possibility}\""), - Applicability::MaybeIncorrect, - ); - } - } else if have_none_possibility { - diag.note(format!("no expected value for `{name}`")); - if let Some((_value, value_span)) = value { - diag.span_suggestion( - name_span.shrink_to_hi().to(value_span), - "remove the value", - "", - Applicability::MaybeIncorrect, - ); - } - } else { - diag.note(format!("no expected values for `{name}`")); + Some(lints::unexpected_cfg_value::ChangeValueSuggestion::SpecifyValue { + span: name_span.shrink_to_hi(), + first_possibility, + }) + } else { + None + }; - let sp = if let Some((_value, value_span)) = value { + lints::unexpected_cfg_value::CodeSuggestion::ChangeValue { expected_values, suggestion } + } else if have_none_possibility { + let suggestion = + value.map(|(_value, value_span)| lints::unexpected_cfg_value::RemoveValueSuggestion { + span: name_span.shrink_to_hi().to(value_span), + }); + lints::unexpected_cfg_value::CodeSuggestion::RemoveValue { suggestion, name } + } else { + let span = if let Some((_value, value_span)) = value { name_span.to(value_span) } else { name_span }; - diag.span_suggestion(sp, "remove the condition", "", Applicability::MaybeIncorrect); - } + let suggestion = lints::unexpected_cfg_value::RemoveConditionSuggestion { span }; + lints::unexpected_cfg_value::CodeSuggestion::RemoveCondition { suggestion, name } + }; // We don't want to suggest adding values to well known names // since those are defined by rustc it-self. Users can still @@ -269,24 +262,30 @@ pub(super) fn unexpected_cfg_value( let inst = |escape_quotes| to_check_cfg_arg(name, value.map(|(v, _s)| v), escape_quotes); - if is_from_cargo { - if name == sym::feature { + let invocation_help = if is_from_cargo { + let help = if name == sym::feature { if let Some((value, _value_span)) = value { - diag.help(format!("consider adding `{value}` as a feature in `Cargo.toml`")); + Some(lints::unexpected_cfg_value::CargoHelp::AddFeature { value }) } else { - diag.help("consider defining some features in `Cargo.toml`"); + Some(lints::unexpected_cfg_value::CargoHelp::DefineFeatures) } } else if !is_cfg_a_well_know_name { - diag.help(format!("consider using a Cargo feature instead")); - diag.help(format!("or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:\n [lints.rust]\n unexpected_cfgs = {{ level = \"warn\", check-cfg = ['{}'] }}", inst(EscapeQuotes::No))); - diag.help(format!("or consider adding `println!(\"cargo::rustc-check-cfg={}\");` to the top of the `build.rs`", inst(EscapeQuotes::Yes))); - } - diag.note("see for more information about checking conditional configuration"); + Some(lints::unexpected_cfg_value::CargoHelp::Other(lints::UnexpectedCfgCargoHelp::new( + &inst(EscapeQuotes::No), + &inst(EscapeQuotes::Yes), + ))) + } else { + None + }; + lints::unexpected_cfg_value::InvocationHelp::Cargo(help) } else { - if !is_cfg_a_well_know_name { - let inst = inst(EscapeQuotes::No); - diag.help(format!("to expect this configuration use `--check-cfg={inst}`",)); - } - diag.note("see for more information about checking conditional configuration"); - } + let help = if !is_cfg_a_well_know_name { + Some(lints::UnexpectedCfgRustcHelp::new(&inst(EscapeQuotes::No))) + } else { + None + }; + lints::unexpected_cfg_value::InvocationHelp::Rustc(help) + }; + + diag.subdiagnostic(diag.dcx, lints::UnexpectedCfgValueSub { code_sugg, invocation_help }); } diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index 42a177157bc1..2a07db27616a 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -1953,3 +1953,254 @@ pub struct UnitBindingsDiag { #[help] #[note] pub struct BuiltinNamedAsmLabel; + +#[derive(Subdiagnostic)] +#[help(lint_unexpected_cfg_add_cargo_feature)] +#[help(lint_unexpected_cfg_add_cargo_toml_lint_cfg)] +#[help(lint_unexpected_cfg_add_build_rs_println)] +pub struct UnexpectedCfgCargoHelp { + pub build_rs_println: String, + pub cargo_toml_lint_cfg: String, +} + +impl UnexpectedCfgCargoHelp { + pub fn new(unescaped: &str, escaped: &str) -> Self { + Self { + cargo_toml_lint_cfg: format!( + "\n [lints.rust]\n unexpected_cfgs = {{ level = \"warn\", check-cfg = ['{unescaped}'] }}", + ), + build_rs_println: format!("println!(\"cargo::rustc-check-cfg={escaped}\");",), + } + } +} + +#[derive(Subdiagnostic)] +#[help(lint_unexpected_cfg_add_cmdline_arg)] +pub struct UnexpectedCfgRustcHelp { + pub cmdline_arg: String, +} + +impl UnexpectedCfgRustcHelp { + pub fn new(unescaped: &str) -> Self { + Self { cmdline_arg: format!("--check-cfg={unescaped}") } + } +} + +#[derive(Subdiagnostic)] +pub struct UnexpectedCfgNameSub { + #[subdiagnostic] + pub code_sugg: unexpected_cfg_name::CodeSuggestion, + #[subdiagnostic] + pub invocation_help: unexpected_cfg_name::InvocationHelp, +} + +pub mod unexpected_cfg_name { + use rustc_errors::DiagSymbolList; + use rustc_macros::Subdiagnostic; + use rustc_span::{Span, Symbol}; + + #[derive(Subdiagnostic)] + pub enum CodeSuggestion { + #[help(lint_unexpected_cfg_define_features)] + DefineFeatures, + #[suggestion( + lint_unexpected_cfg_name_similar_name_value, + applicability = "maybe-incorrect", + code = "{code}" + )] + SimilarNameAndValue { + #[primary_span] + span: Span, + code: String, + }, + #[suggestion( + lint_unexpected_cfg_name_similar_name_no_value, + applicability = "maybe-incorrect", + code = "{code}" + )] + SimilarNameNoValue { + #[primary_span] + span: Span, + code: String, + }, + #[suggestion( + lint_unexpected_cfg_name_similar_name_different_values, + applicability = "maybe-incorrect", + code = "{code}" + )] + SimilarNameDifferentValues { + #[primary_span] + span: Span, + code: String, + #[subdiagnostic] + expected: Option, + }, + #[suggestion( + lint_unexpected_cfg_name_similar_name, + applicability = "maybe-incorrect", + code = "{code}" + )] + SimilarName { + #[primary_span] + span: Span, + code: String, + #[subdiagnostic] + expected: Option, + }, + SimilarValues { + #[subdiagnostic] + with_similar_values: Vec, + #[subdiagnostic] + expected_names: Option, + }, + } + + #[derive(Subdiagnostic)] + #[help(lint_unexpected_cfg_name_expected_values)] + pub struct ExpectedValues { + pub best_match: Symbol, + pub possibilities: DiagSymbolList, + } + + #[derive(Subdiagnostic)] + #[suggestion( + lint_unexpected_cfg_name_with_similar_value, + applicability = "maybe-incorrect", + code = "{code}" + )] + pub struct FoundWithSimilarValue { + #[primary_span] + pub span: Span, + pub code: String, + } + + #[derive(Subdiagnostic)] + #[help_once(lint_unexpected_cfg_name_expected_names)] + pub struct ExpectedNames { + pub possibilities: DiagSymbolList, + pub and_more: usize, + } + + #[derive(Subdiagnostic)] + pub enum InvocationHelp { + #[note(lint_unexpected_cfg_doc_cargo)] + Cargo { + #[subdiagnostic] + sub: Option, + }, + #[note(lint_unexpected_cfg_doc_rustc)] + Rustc(#[subdiagnostic] super::UnexpectedCfgRustcHelp), + } +} + +#[derive(Subdiagnostic)] +pub struct UnexpectedCfgValueSub { + #[subdiagnostic] + pub code_sugg: unexpected_cfg_value::CodeSuggestion, + #[subdiagnostic] + pub invocation_help: unexpected_cfg_value::InvocationHelp, +} + +pub mod unexpected_cfg_value { + use rustc_errors::DiagSymbolList; + use rustc_macros::Subdiagnostic; + use rustc_span::{Span, Symbol}; + + #[derive(Subdiagnostic)] + pub enum CodeSuggestion { + ChangeValue { + #[subdiagnostic] + expected_values: ExpectedValues, + #[subdiagnostic] + suggestion: Option, + }, + #[note(lint_unexpected_cfg_value_no_expected_value)] + RemoveValue { + #[subdiagnostic] + suggestion: Option, + + name: Symbol, + }, + #[note(lint_unexpected_cfg_value_no_expected_values)] + RemoveCondition { + #[subdiagnostic] + suggestion: RemoveConditionSuggestion, + + name: Symbol, + }, + } + + #[derive(Subdiagnostic)] + pub enum ChangeValueSuggestion { + #[suggestion( + lint_unexpected_cfg_value_similar_name, + code = r#""{best_match}""#, + applicability = "maybe-incorrect" + )] + SimilarName { + #[primary_span] + span: Span, + best_match: Symbol, + }, + #[suggestion( + lint_unexpected_cfg_value_specify_value, + code = r#" = "{first_possibility}""#, + applicability = "maybe-incorrect" + )] + SpecifyValue { + #[primary_span] + span: Span, + first_possibility: Symbol, + }, + } + + #[derive(Subdiagnostic)] + #[suggestion( + lint_unexpected_cfg_value_remove_value, + code = "", + applicability = "maybe-incorrect" + )] + pub struct RemoveValueSuggestion { + #[primary_span] + pub span: Span, + } + + #[derive(Subdiagnostic)] + #[suggestion( + lint_unexpected_cfg_value_remove_condition, + code = "", + applicability = "maybe-incorrect" + )] + pub struct RemoveConditionSuggestion { + #[primary_span] + pub span: Span, + } + + #[derive(Subdiagnostic)] + #[note(lint_unexpected_cfg_value_expected_values)] + pub struct ExpectedValues { + pub name: Symbol, + pub have_none_possibility: bool, + pub possibilities: DiagSymbolList, + pub and_more: usize, + } + + #[derive(Subdiagnostic)] + pub enum InvocationHelp { + #[note(lint_unexpected_cfg_doc_cargo)] + Cargo(#[subdiagnostic] Option), + #[note(lint_unexpected_cfg_doc_rustc)] + Rustc(#[subdiagnostic] Option), + } + + #[derive(Subdiagnostic)] + pub enum CargoHelp { + #[help(lint_unexpected_cfg_value_add_feature)] + AddFeature { + value: Symbol, + }, + #[help(lint_unexpected_cfg_define_features)] + DefineFeatures, + Other(#[subdiagnostic] super::UnexpectedCfgCargoHelp), + } +} diff --git a/tests/ui/check-cfg/allow-same-level.stderr b/tests/ui/check-cfg/allow-same-level.stderr index ae4c1605f016..b311a80c8fd5 100644 --- a/tests/ui/check-cfg/allow-same-level.stderr +++ b/tests/ui/check-cfg/allow-same-level.stderr @@ -4,7 +4,7 @@ warning: unexpected `cfg` condition name: `FALSE` LL | #[cfg(FALSE)] | ^^^^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows` + = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` = help: to expect this configuration use `--check-cfg=cfg(FALSE)` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default diff --git a/tests/ui/check-cfg/cargo-feature.none.stderr b/tests/ui/check-cfg/cargo-feature.none.stderr index a940eda46898..9d3117ed54d1 100644 --- a/tests/ui/check-cfg/cargo-feature.none.stderr +++ b/tests/ui/check-cfg/cargo-feature.none.stderr @@ -25,7 +25,7 @@ warning: unexpected `cfg` condition name: `tokio_unstable` LL | #[cfg(tokio_unstable)] | ^^^^^^^^^^^^^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows` + = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` = help: consider using a Cargo feature instead = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [lints.rust] diff --git a/tests/ui/check-cfg/cargo-feature.some.stderr b/tests/ui/check-cfg/cargo-feature.some.stderr index 70d3182eec8c..14e24cb1429a 100644 --- a/tests/ui/check-cfg/cargo-feature.some.stderr +++ b/tests/ui/check-cfg/cargo-feature.some.stderr @@ -25,7 +25,7 @@ warning: unexpected `cfg` condition name: `tokio_unstable` LL | #[cfg(tokio_unstable)] | ^^^^^^^^^^^^^^ | - = help: expected names are: `CONFIG_NVME`, `clippy`, `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows` + = help: expected names are: `CONFIG_NVME`, `clippy`, `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` = help: consider using a Cargo feature instead = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [lints.rust] diff --git a/tests/ui/check-cfg/cfg-value-for-cfg-name-duplicate.stderr b/tests/ui/check-cfg/cfg-value-for-cfg-name-duplicate.stderr index 4975129802b6..08bd43832ea1 100644 --- a/tests/ui/check-cfg/cfg-value-for-cfg-name-duplicate.stderr +++ b/tests/ui/check-cfg/cfg-value-for-cfg-name-duplicate.stderr @@ -4,7 +4,7 @@ warning: unexpected `cfg` condition name: `value` LL | #[cfg(value)] | ^^^^^ | - = help: expected names are: `bar`, `bee`, `clippy`, `cow`, `debug_assertions`, `doc`, `doctest`, `foo`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows` + = help: expected names are: `bar`, `bee`, `clippy`, `cow`, `debug_assertions`, `doc`, `doctest`, `foo`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` = help: to expect this configuration use `--check-cfg=cfg(value)` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default diff --git a/tests/ui/check-cfg/cfg-value-for-cfg-name-multiple.stderr b/tests/ui/check-cfg/cfg-value-for-cfg-name-multiple.stderr index 6404556f46c4..6db1144eada4 100644 --- a/tests/ui/check-cfg/cfg-value-for-cfg-name-multiple.stderr +++ b/tests/ui/check-cfg/cfg-value-for-cfg-name-multiple.stderr @@ -4,7 +4,7 @@ warning: unexpected `cfg` condition name: `my_value` LL | #[cfg(my_value)] | ^^^^^^^^ | - = help: expected names are: `bar`, `clippy`, `debug_assertions`, `doc`, `doctest`, `foo`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows` + = help: expected names are: `bar`, `clippy`, `debug_assertions`, `doc`, `doctest`, `foo`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` = help: to expect this configuration use `--check-cfg=cfg(my_value)` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default diff --git a/tests/ui/check-cfg/cfg-value-for-cfg-name.stderr b/tests/ui/check-cfg/cfg-value-for-cfg-name.stderr index bda1a601410e..a5f8176343a4 100644 --- a/tests/ui/check-cfg/cfg-value-for-cfg-name.stderr +++ b/tests/ui/check-cfg/cfg-value-for-cfg-name.stderr @@ -4,7 +4,7 @@ warning: unexpected `cfg` condition name: `linux` LL | #[cfg(linux)] | ^^^^^ help: found config with similar value: `target_os = "linux"` | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows` + = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` = help: to expect this configuration use `--check-cfg=cfg(linux)` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default diff --git a/tests/ui/check-cfg/compact-names.stderr b/tests/ui/check-cfg/compact-names.stderr index 079be8d08c29..6fecdb52362e 100644 --- a/tests/ui/check-cfg/compact-names.stderr +++ b/tests/ui/check-cfg/compact-names.stderr @@ -4,7 +4,7 @@ warning: unexpected `cfg` condition name: `target_architecture` LL | #[cfg(target(os = "linux", architecture = "arm"))] | ^^^^^^^^^^^^^^^^^^^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows` + = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` = help: to expect this configuration use `--check-cfg=cfg(target_architecture, values("arm"))` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default diff --git a/tests/ui/check-cfg/compact-values.stderr b/tests/ui/check-cfg/compact-values.stderr index 4fe921dd24b2..c8d14f8c02aa 100644 --- a/tests/ui/check-cfg/compact-values.stderr +++ b/tests/ui/check-cfg/compact-values.stderr @@ -4,7 +4,7 @@ warning: unexpected `cfg` condition value: `X` LL | #[cfg(target(os = "linux", pointer_width = "X"))] | ^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `target_pointer_width` are: `16`, `32`, `64` + = note: expected values for `target_pointer_width` are: `16`, `32`, and `64` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default diff --git a/tests/ui/check-cfg/concat-values.stderr b/tests/ui/check-cfg/concat-values.stderr index a508c3976617..ec740952f573 100644 --- a/tests/ui/check-cfg/concat-values.stderr +++ b/tests/ui/check-cfg/concat-values.stderr @@ -4,7 +4,7 @@ warning: unexpected `cfg` condition value: (none) LL | #[cfg(my_cfg)] | ^^^^^^ | - = note: expected values for `my_cfg` are: `bar`, `foo` + = note: expected values for `my_cfg` are: `bar` and `foo` = help: to expect this configuration use `--check-cfg=cfg(my_cfg)` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default @@ -15,7 +15,7 @@ warning: unexpected `cfg` condition value: `unk` LL | #[cfg(my_cfg = "unk")] | ^^^^^^^^^^^^^^ | - = note: expected values for `my_cfg` are: `bar`, `foo` + = note: expected values for `my_cfg` are: `bar` and `foo` = help: to expect this configuration use `--check-cfg=cfg(my_cfg, values("unk"))` = note: see for more information about checking conditional configuration diff --git a/tests/ui/check-cfg/exhaustive-names-values.empty_cfg.stderr b/tests/ui/check-cfg/exhaustive-names-values.empty_cfg.stderr index 755373d7b77a..2497864e87ec 100644 --- a/tests/ui/check-cfg/exhaustive-names-values.empty_cfg.stderr +++ b/tests/ui/check-cfg/exhaustive-names-values.empty_cfg.stderr @@ -4,7 +4,7 @@ warning: unexpected `cfg` condition name: `unknown_key` LL | #[cfg(unknown_key = "value")] | ^^^^^^^^^^^^^^^^^^^^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows` + = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` = help: to expect this configuration use `--check-cfg=cfg(unknown_key, values("value"))` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default diff --git a/tests/ui/check-cfg/exhaustive-names-values.feature.stderr b/tests/ui/check-cfg/exhaustive-names-values.feature.stderr index 6344739ae767..a7d4c6d4df66 100644 --- a/tests/ui/check-cfg/exhaustive-names-values.feature.stderr +++ b/tests/ui/check-cfg/exhaustive-names-values.feature.stderr @@ -4,7 +4,7 @@ warning: unexpected `cfg` condition name: `unknown_key` LL | #[cfg(unknown_key = "value")] | ^^^^^^^^^^^^^^^^^^^^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows` + = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` = help: to expect this configuration use `--check-cfg=cfg(unknown_key, values("value"))` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default diff --git a/tests/ui/check-cfg/exhaustive-names-values.full.stderr b/tests/ui/check-cfg/exhaustive-names-values.full.stderr index 6344739ae767..a7d4c6d4df66 100644 --- a/tests/ui/check-cfg/exhaustive-names-values.full.stderr +++ b/tests/ui/check-cfg/exhaustive-names-values.full.stderr @@ -4,7 +4,7 @@ warning: unexpected `cfg` condition name: `unknown_key` LL | #[cfg(unknown_key = "value")] | ^^^^^^^^^^^^^^^^^^^^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows` + = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` = help: to expect this configuration use `--check-cfg=cfg(unknown_key, values("value"))` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default diff --git a/tests/ui/check-cfg/exhaustive-names.stderr b/tests/ui/check-cfg/exhaustive-names.stderr index 605825cd4e58..7ac3241db5f8 100644 --- a/tests/ui/check-cfg/exhaustive-names.stderr +++ b/tests/ui/check-cfg/exhaustive-names.stderr @@ -4,7 +4,7 @@ warning: unexpected `cfg` condition name: `unknown_key` LL | #[cfg(unknown_key = "value")] | ^^^^^^^^^^^^^^^^^^^^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows` + = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` = help: to expect this configuration use `--check-cfg=cfg(unknown_key, values("value"))` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default diff --git a/tests/ui/check-cfg/mix.stderr b/tests/ui/check-cfg/mix.stderr index 545916991453..8c1bf5a11607 100644 --- a/tests/ui/check-cfg/mix.stderr +++ b/tests/ui/check-cfg/mix.stderr @@ -44,7 +44,7 @@ warning: unexpected `cfg` condition name: `uu` LL | #[cfg_attr(uu, test)] | ^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows` + = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` = help: to expect this configuration use `--check-cfg=cfg(uu)` = note: see for more information about checking conditional configuration @@ -251,7 +251,7 @@ warning: unexpected `cfg` condition value: `zebra` LL | cfg!(target_feature = "zebra"); | ^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `target_feature` are: `10e60`, `2e3`, `3e3r1`, `3e3r2`, `3e3r3`, `3e7`, `7e10`, `a`, `aclass`, `adx`, `aes`, `altivec`, `alu32`, `atomics`, `avx`, `avx2`, `avx512bf16`, `avx512bitalg`, `avx512bw`, `avx512cd`, `avx512dq`, `avx512er`, `avx512f`, `avx512fp16`, `avx512ifma`, `avx512pf`, `avx512vbmi`, `avx512vbmi2`, `avx512vl`, `avx512vnni`, `avx512vp2intersect`, `avx512vpopcntdq`, `bf16`, `bmi1`, `bmi2` and 188 more + = note: expected values for `target_feature` are: `10e60`, `2e3`, `3e3r1`, `3e3r2`, `3e3r3`, `3e7`, `7e10`, `a`, `aclass`, `adx`, `aes`, `altivec`, `alu32`, `atomics`, `avx`, `avx2`, `avx512bf16`, `avx512bitalg`, `avx512bw`, `avx512cd`, `avx512dq`, `avx512er`, `avx512f`, `avx512fp16`, `avx512ifma`, `avx512pf`, `avx512vbmi`, `avx512vbmi2`, `avx512vl`, `avx512vnni`, `avx512vp2intersect`, `avx512vpopcntdq`, `bf16`, `bmi1`, and `bmi2` and 188 more = note: see for more information about checking conditional configuration warning: 27 warnings emitted diff --git a/tests/ui/check-cfg/stmt-no-ice.stderr b/tests/ui/check-cfg/stmt-no-ice.stderr index ab0deae428d1..e8b61d808fe5 100644 --- a/tests/ui/check-cfg/stmt-no-ice.stderr +++ b/tests/ui/check-cfg/stmt-no-ice.stderr @@ -4,7 +4,7 @@ warning: unexpected `cfg` condition name: `crossbeam_loom` LL | #[cfg(crossbeam_loom)] | ^^^^^^^^^^^^^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows` + = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` = help: to expect this configuration use `--check-cfg=cfg(crossbeam_loom)` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default diff --git a/tests/ui/check-cfg/unexpected-cfg-value.stderr b/tests/ui/check-cfg/unexpected-cfg-value.stderr index efcf65bb707e..0fa0dde41b6d 100644 --- a/tests/ui/check-cfg/unexpected-cfg-value.stderr +++ b/tests/ui/check-cfg/unexpected-cfg-value.stderr @@ -6,7 +6,7 @@ LL | #[cfg(feature = "sedre")] | | | help: there is a expected value with a similar name: `"serde"` | - = note: expected values for `feature` are: `full`, `serde` + = note: expected values for `feature` are: `full` and `serde` = help: to expect this configuration use `--check-cfg=cfg(feature, values("sedre"))` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default @@ -17,7 +17,7 @@ warning: unexpected `cfg` condition value: `rand` LL | #[cfg(feature = "rand")] | ^^^^^^^^^^^^^^^^ | - = note: expected values for `feature` are: `full`, `serde` + = note: expected values for `feature` are: `full` and `serde` = help: to expect this configuration use `--check-cfg=cfg(feature, values("rand"))` = note: see for more information about checking conditional configuration diff --git a/tests/ui/check-cfg/well-known-names.stderr b/tests/ui/check-cfg/well-known-names.stderr index 2ce6fe80ef20..41130210df1e 100644 --- a/tests/ui/check-cfg/well-known-names.stderr +++ b/tests/ui/check-cfg/well-known-names.stderr @@ -18,7 +18,7 @@ warning: unexpected `cfg` condition name: `features` LL | #[cfg(features = "foo")] | ^^^^^^^^^^^^^^^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows` + = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` = help: to expect this configuration use `--check-cfg=cfg(features, values("foo"))` = note: see for more information about checking conditional configuration diff --git a/tests/ui/check-cfg/well-known-values.stderr b/tests/ui/check-cfg/well-known-values.stderr index db4a5fd49e6a..c13446bb9f89 100644 --- a/tests/ui/check-cfg/well-known-values.stderr +++ b/tests/ui/check-cfg/well-known-values.stderr @@ -71,7 +71,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` LL | panic = "_UNEXPECTED_VALUE", | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `panic` are: `abort`, `unwind` + = note: expected values for `panic` are: `abort` and `unwind` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` @@ -91,7 +91,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` LL | relocation_model = "_UNEXPECTED_VALUE", | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `relocation_model` are: `dynamic-no-pic`, `pic`, `pie`, `ropi`, `ropi-rwpi`, `rwpi`, `static` + = note: expected values for `relocation_model` are: `dynamic-no-pic`, `pic`, `pie`, `ropi`, `ropi-rwpi`, `rwpi`, and `static` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` @@ -111,7 +111,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` LL | sanitize = "_UNEXPECTED_VALUE", | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `sanitize` are: `address`, `cfi`, `dataflow`, `hwaddress`, `kcfi`, `kernel-address`, `leak`, `memory`, `memtag`, `safestack`, `shadow-call-stack`, `thread` + = note: expected values for `sanitize` are: `address`, `cfi`, `dataflow`, `hwaddress`, `kcfi`, `kernel-address`, `leak`, `memory`, `memtag`, `safestack`, `shadow-call-stack`, and `thread` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` @@ -120,7 +120,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` LL | target_abi = "_UNEXPECTED_VALUE", | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `target_abi` are: ``, `abi64`, `abiv2`, `abiv2hf`, `eabi`, `eabihf`, `elf`, `fortanix`, `ilp32`, `llvm`, `macabi`, `sim`, `softfloat`, `spe`, `uwp`, `vec-extabi`, `x32` + = note: expected values for `target_abi` are: ``, `abi64`, `abiv2`, `abiv2hf`, `eabi`, `eabihf`, `elf`, `fortanix`, `ilp32`, `llvm`, `macabi`, `sim`, `softfloat`, `spe`, `uwp`, `vec-extabi`, and `x32` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` @@ -129,7 +129,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` LL | target_arch = "_UNEXPECTED_VALUE", | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `target_arch` are: `aarch64`, `arm`, `arm64ec`, `avr`, `bpf`, `csky`, `hexagon`, `loongarch64`, `m68k`, `mips`, `mips32r6`, `mips64`, `mips64r6`, `msp430`, `nvptx64`, `powerpc`, `powerpc64`, `riscv32`, `riscv64`, `s390x`, `sparc`, `sparc64`, `wasm32`, `wasm64`, `x86`, `x86_64` + = note: expected values for `target_arch` are: `aarch64`, `arm`, `arm64ec`, `avr`, `bpf`, `csky`, `hexagon`, `loongarch64`, `m68k`, `mips`, `mips32r6`, `mips64`, `mips64r6`, `msp430`, `nvptx64`, `powerpc`, `powerpc64`, `riscv32`, `riscv64`, `s390x`, `sparc`, `sparc64`, `wasm32`, `wasm64`, `x86`, and `x86_64` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` @@ -138,7 +138,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` LL | target_endian = "_UNEXPECTED_VALUE", | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `target_endian` are: `big`, `little` + = note: expected values for `target_endian` are: `big` and `little` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` @@ -147,7 +147,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` LL | target_env = "_UNEXPECTED_VALUE", | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `target_env` are: ``, `gnu`, `msvc`, `musl`, `newlib`, `nto70`, `nto71`, `ohos`, `p2`, `psx`, `relibc`, `sgx`, `uclibc` + = note: expected values for `target_env` are: ``, `gnu`, `msvc`, `musl`, `newlib`, `nto70`, `nto71`, `ohos`, `p2`, `psx`, `relibc`, `sgx`, and `uclibc` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` @@ -156,7 +156,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` LL | target_family = "_UNEXPECTED_VALUE", | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `target_family` are: `unix`, `wasm`, `windows` + = note: expected values for `target_family` are: `unix`, `wasm`, and `windows` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` @@ -165,7 +165,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` LL | target_feature = "_UNEXPECTED_VALUE", | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `target_feature` are: `10e60`, `2e3`, `3e3r1`, `3e3r2`, `3e3r3`, `3e7`, `7e10`, `a`, `aclass`, `adx`, `aes`, `altivec`, `alu32`, `atomics`, `avx`, `avx2`, `avx512bf16`, `avx512bitalg`, `avx512bw`, `avx512cd`, `avx512dq`, `avx512er`, `avx512f`, `avx512fp16`, `avx512ifma`, `avx512pf`, `avx512vbmi`, `avx512vbmi2`, `avx512vl`, `avx512vnni`, `avx512vp2intersect`, `avx512vpopcntdq`, `bf16`, `bmi1`, `bmi2`, `bti`, `bulk-memory`, `c`, `cache`, `cmpxchg16b`, `crc`, `crt-static`, `d`, `d32`, `dit`, `doloop`, `dotprod`, `dpb`, `dpb2`, `dsp`, `dsp1e2`, `dspe60`, `e`, `e1`, `e2`, `edsp`, `elrw`, `ermsb`, `exception-handling`, `extended-const`, `f`, `f16c`, `f32mm`, `f64mm`, `fcma`, `fdivdu`, `fhm`, `flagm`, `float1e2`, `float1e3`, `float3e4`, `float7e60`, `floate1`, `fma`, `fp-armv8`, `fp16`, `fp64`, `fpuv2_df`, `fpuv2_sf`, `fpuv3_df`, `fpuv3_hf`, `fpuv3_hi`, `fpuv3_sf`, `frecipe`, `frintts`, `fxsr`, `gfni`, `hard-float`, `hard-float-abi`, `hard-tp`, `high-registers`, `hvx`, `hvx-length128b`, `hwdiv`, `i8mm`, `jsconv`, `lahfsahf`, `lasx`, `lbt`, `lor`, `lse`, `lsx`, `lvz`, `lzcnt`, `m`, `mclass`, `movbe`, `mp`, `mp1e2`, `msa`, `mte`, `multivalue`, `mutable-globals`, `neon`, `nontrapping-fptoint`, `nvic`, `paca`, `pacg`, `pan`, `pclmulqdq`, `pmuv3`, `popcnt`, `power10-vector`, `power8-altivec`, `power8-vector`, `power9-altivec`, `power9-vector`, `prfchw`, `rand`, `ras`, `rclass`, `rcpc`, `rcpc2`, `rdm`, `rdrand`, `rdseed`, `reference-types`, `relax`, `relaxed-simd`, `rtm`, `sb`, `sha`, `sha2`, `sha3`, `sign-ext`, `simd128`, `sm4`, `spe`, `ssbs`, `sse`, `sse2`, `sse3`, `sse4.1`, `sse4.2`, `sse4a`, `ssse3`, `sve`, `sve2`, `sve2-aes`, `sve2-bitperm`, `sve2-sha3`, `sve2-sm4`, `tbm`, `thumb-mode`, `thumb2`, `tme`, `trust`, `trustzone`, `ual`, `unaligned-scalar-mem`, `v`, `v5te`, `v6`, `v6k`, `v6t2`, `v7`, `v8`, `v8.1a`, `v8.2a`, `v8.3a`, `v8.4a`, `v8.5a`, `v8.6a`, `v8.7a`, `vaes`, `vdsp2e60f`, `vdspv1`, `vdspv2`, `vfp2`, `vfp3`, `vfp4`, `vh`, `virt`, `virtualization`, `vpclmulqdq`, `vsx`, `xsave`, `xsavec`, `xsaveopt`, `xsaves`, `zba`, `zbb`, `zbc`, `zbkb`, `zbkc`, `zbkx`, `zbs`, `zdinx`, `zfh`, `zfhmin`, `zfinx`, `zhinx`, `zhinxmin`, `zk`, `zkn`, `zknd`, `zkne`, `zknh`, `zkr`, `zks`, `zksed`, `zksh`, `zkt` + = note: expected values for `target_feature` are: `10e60`, `2e3`, `3e3r1`, `3e3r2`, `3e3r3`, `3e7`, `7e10`, `a`, `aclass`, `adx`, `aes`, `altivec`, `alu32`, `atomics`, `avx`, `avx2`, `avx512bf16`, `avx512bitalg`, `avx512bw`, `avx512cd`, `avx512dq`, `avx512er`, `avx512f`, `avx512fp16`, `avx512ifma`, `avx512pf`, `avx512vbmi`, `avx512vbmi2`, `avx512vl`, `avx512vnni`, `avx512vp2intersect`, `avx512vpopcntdq`, `bf16`, `bmi1`, `bmi2`, `bti`, `bulk-memory`, `c`, `cache`, `cmpxchg16b`, `crc`, `crt-static`, `d`, `d32`, `dit`, `doloop`, `dotprod`, `dpb`, `dpb2`, `dsp`, `dsp1e2`, `dspe60`, `e`, `e1`, `e2`, `edsp`, `elrw`, `ermsb`, `exception-handling`, `extended-const`, `f`, `f16c`, `f32mm`, `f64mm`, `fcma`, `fdivdu`, `fhm`, `flagm`, `float1e2`, `float1e3`, `float3e4`, `float7e60`, `floate1`, `fma`, `fp-armv8`, `fp16`, `fp64`, `fpuv2_df`, `fpuv2_sf`, `fpuv3_df`, `fpuv3_hf`, `fpuv3_hi`, `fpuv3_sf`, `frecipe`, `frintts`, `fxsr`, `gfni`, `hard-float`, `hard-float-abi`, `hard-tp`, `high-registers`, `hvx`, `hvx-length128b`, `hwdiv`, `i8mm`, `jsconv`, `lahfsahf`, `lasx`, `lbt`, `lor`, `lse`, `lsx`, `lvz`, `lzcnt`, `m`, `mclass`, `movbe`, `mp`, `mp1e2`, `msa`, `mte`, `multivalue`, `mutable-globals`, `neon`, `nontrapping-fptoint`, `nvic`, `paca`, `pacg`, `pan`, `pclmulqdq`, `pmuv3`, `popcnt`, `power10-vector`, `power8-altivec`, `power8-vector`, `power9-altivec`, `power9-vector`, `prfchw`, `rand`, `ras`, `rclass`, `rcpc`, `rcpc2`, `rdm`, `rdrand`, `rdseed`, `reference-types`, `relax`, `relaxed-simd`, `rtm`, `sb`, `sha`, `sha2`, `sha3`, `sign-ext`, `simd128`, `sm4`, `spe`, `ssbs`, `sse`, `sse2`, `sse3`, `sse4.1`, `sse4.2`, `sse4a`, `ssse3`, `sve`, `sve2`, `sve2-aes`, `sve2-bitperm`, `sve2-sha3`, `sve2-sm4`, `tbm`, `thumb-mode`, `thumb2`, `tme`, `trust`, `trustzone`, `ual`, `unaligned-scalar-mem`, `v`, `v5te`, `v6`, `v6k`, `v6t2`, `v7`, `v8`, `v8.1a`, `v8.2a`, `v8.3a`, `v8.4a`, `v8.5a`, `v8.6a`, `v8.7a`, `vaes`, `vdsp2e60f`, `vdspv1`, `vdspv2`, `vfp2`, `vfp3`, `vfp4`, `vh`, `virt`, `virtualization`, `vpclmulqdq`, `vsx`, `xsave`, `xsavec`, `xsaveopt`, `xsaves`, `zba`, `zbb`, `zbc`, `zbkb`, `zbkc`, `zbkx`, `zbs`, `zdinx`, `zfh`, `zfhmin`, `zfinx`, `zhinx`, `zhinxmin`, `zk`, `zkn`, `zknd`, `zkne`, `zknh`, `zkr`, `zks`, `zksed`, `zksh`, and `zkt` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` @@ -174,7 +174,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` LL | target_has_atomic = "_UNEXPECTED_VALUE", | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `target_has_atomic` are: (none), `128`, `16`, `32`, `64`, `8`, `ptr` + = note: expected values for `target_has_atomic` are: (none), `128`, `16`, `32`, `64`, `8`, and `ptr` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` @@ -183,7 +183,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` LL | target_has_atomic_equal_alignment = "_UNEXPECTED_VALUE", | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `target_has_atomic_equal_alignment` are: (none), `128`, `16`, `32`, `64`, `8`, `ptr` + = note: expected values for `target_has_atomic_equal_alignment` are: (none), `128`, `16`, `32`, `64`, `8`, and `ptr` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` @@ -192,7 +192,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` LL | target_has_atomic_load_store = "_UNEXPECTED_VALUE", | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `target_has_atomic_load_store` are: (none), `128`, `16`, `32`, `64`, `8`, `ptr` + = note: expected values for `target_has_atomic_load_store` are: (none), `128`, `16`, `32`, `64`, `8`, and `ptr` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` @@ -201,7 +201,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` LL | target_os = "_UNEXPECTED_VALUE", | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `openbsd`, `psp`, `redox`, `solaris`, `solid_asp3`, `teeos`, `tvos`, `uefi`, `unknown`, `visionos`, `vita`, `vxworks`, `wasi`, `watchos`, `windows`, `xous`, `zkvm` + = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `openbsd`, `psp`, `redox`, `solaris`, `solid_asp3`, `teeos`, `tvos`, `uefi`, `unknown`, `visionos`, `vita`, `vxworks`, `wasi`, `watchos`, `windows`, `xous`, and `zkvm` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` @@ -210,7 +210,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` LL | target_pointer_width = "_UNEXPECTED_VALUE", | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `target_pointer_width` are: `16`, `32`, `64` + = note: expected values for `target_pointer_width` are: `16`, `32`, and `64` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` @@ -230,7 +230,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` LL | target_vendor = "_UNEXPECTED_VALUE", | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `target_vendor` are: `apple`, `espressif`, `fortanix`, `ibm`, `kmc`, `nintendo`, `nvidia`, `pc`, `risc0`, `sony`, `sun`, `unikraft`, `unknown`, `uwp`, `win7`, `wrs` + = note: expected values for `target_vendor` are: `apple`, `espressif`, `fortanix`, `ibm`, `kmc`, `nintendo`, `nvidia`, `pc`, `risc0`, `sony`, `sun`, `unikraft`, `unknown`, `uwp`, `win7`, and `wrs` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` @@ -285,7 +285,7 @@ LL | #[cfg(target_os = "linuz")] // testing that we suggest `linux` | | | help: there is a expected value with a similar name: `"linux"` | - = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `openbsd`, `psp`, `redox`, `solaris`, `solid_asp3`, `teeos`, `tvos`, `uefi`, `unknown`, `visionos`, `vita`, `vxworks`, `wasi`, `watchos`, `windows`, `xous`, `zkvm` + = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `openbsd`, `psp`, `redox`, `solaris`, `solid_asp3`, `teeos`, `tvos`, `uefi`, `unknown`, `visionos`, `vita`, `vxworks`, `wasi`, `watchos`, `windows`, `xous`, and `zkvm` = note: see for more information about checking conditional configuration warning: 29 warnings emitted From c227f35a9cd7ef894abfb623a16ad28abf8b6e3f Mon Sep 17 00:00:00 2001 From: Xiretza Date: Sun, 14 Apr 2024 17:59:54 +0000 Subject: [PATCH 0375/1716] Generate lint diagnostic message from BuiltinLintDiag Translation of the lint message happens when the actual diagnostic is created, not when the lint is buffered. Generating the message from BuiltinLintDiag ensures that all required data to construct the message is preserved in the LintBuffer, eventually allowing the messages to be moved to fluent. Remove the `msg` field from BufferedEarlyLint, it is either generated from the data in the BuiltinLintDiag or stored inside BuiltinLintDiag::Normal. --- compiler/rustc_ast_passes/messages.ftl | 5 - .../rustc_ast_passes/src/ast_validation.rs | 15 +- compiler/rustc_ast_passes/src/errors.rs | 2 + compiler/rustc_attr/src/builtin.rs | 6 - .../src/deriving/generic/mod.rs | 7 +- compiler/rustc_builtin_macros/src/format.rs | 1 - compiler/rustc_expand/src/base.rs | 1 - compiler/rustc_expand/src/expand.rs | 2 - compiler/rustc_expand/src/mbe/macro_rules.rs | 2 - compiler/rustc_interface/src/util.rs | 1 - compiler/rustc_lint/messages.ftl | 11 ++ compiler/rustc_lint/src/context.rs | 3 +- .../rustc_lint/src/context/diagnostics.rs | 150 ++++++++++++++++-- compiler/rustc_lint/src/early.rs | 10 +- compiler/rustc_lint_defs/src/lib.rs | 49 ++++-- compiler/rustc_middle/src/middle/stability.rs | 4 +- compiler/rustc_parse/src/lexer/mod.rs | 4 +- compiler/rustc_parse/src/parser/expr.rs | 1 - compiler/rustc_resolve/src/check_unused.rs | 23 +-- compiler/rustc_resolve/src/diagnostics.rs | 6 - compiler/rustc_resolve/src/ident.rs | 13 +- compiler/rustc_resolve/src/imports.rs | 9 +- compiler/rustc_resolve/src/late.rs | 7 - .../rustc_resolve/src/late/diagnostics.rs | 4 +- compiler/rustc_resolve/src/macros.rs | 1 - compiler/rustc_session/src/parse.rs | 5 +- 26 files changed, 212 insertions(+), 130 deletions(-) diff --git a/compiler/rustc_ast_passes/messages.ftl b/compiler/rustc_ast_passes/messages.ftl index a3731e94276b..31a184fe921e 100644 --- a/compiler/rustc_ast_passes/messages.ftl +++ b/compiler/rustc_ast_passes/messages.ftl @@ -55,9 +55,6 @@ ast_passes_const_without_body = ast_passes_constraint_on_negative_bound = associated type constraints not allowed on negative bounds -ast_passes_deprecated_where_clause_location = - where clause not allowed here - ast_passes_equality_in_where = equality constraints are not yet supported in `where` clauses .label = not supported .suggestion = if `{$ident}` is an associated type you're trying to set, use the associated type binding syntax @@ -80,8 +77,6 @@ ast_passes_extern_types_cannot = `type`s inside `extern` blocks cannot have {$de .suggestion = remove the {$remove_descr} .label = `extern` block begins here -ast_passes_extern_without_abi = extern declarations without an explicit ABI are deprecated - ast_passes_feature_on_non_nightly = `#![feature]` may not be used on the {$channel} release channel .suggestion = remove the attribute .stable_since = the feature `{$name}` has been stable since `{$since}` and no longer requires an attribute to enable diff --git a/compiler/rustc_ast_passes/src/ast_validation.rs b/compiler/rustc_ast_passes/src/ast_validation.rs index 9d07683f8d66..c287f6e4b3d8 100644 --- a/compiler/rustc_ast_passes/src/ast_validation.rs +++ b/compiler/rustc_ast_passes/src/ast_validation.rs @@ -27,7 +27,6 @@ use std::ops::{Deref, DerefMut}; use thin_vec::thin_vec; use crate::errors; -use crate::fluent_generated as fluent; /// Is `self` allowed semantically as the first parameter in an `FnDecl`? enum SelfSemantic { @@ -770,7 +769,6 @@ impl<'a> AstValidator<'a> { MISSING_ABI, id, span, - fluent::ast_passes_extern_without_abi, BuiltinLintDiag::MissingAbi(span, abi::Abi::FALLBACK), ) } @@ -1428,17 +1426,15 @@ impl<'a> Visitor<'a> for AstValidator<'a> { Self::check_decl_no_pat(&sig.decl, |span, ident, mut_ident| { if mut_ident && matches!(ctxt, FnCtxt::Assoc(_)) { if let Some(ident) = ident { - let msg = match ctxt { - FnCtxt::Foreign => fluent::ast_passes_pattern_in_foreign, - _ => fluent::ast_passes_pattern_in_bodiless, - }; - let diag = BuiltinLintDiag::PatternsInFnsWithoutBody(span, ident); self.lint_buffer.buffer_lint_with_diagnostic( PATTERNS_IN_FNS_WITHOUT_BODY, id, span, - msg, - diag, + BuiltinLintDiag::PatternsInFnsWithoutBody { + span, + ident, + is_foreign: matches!(ctxt, FnCtxt::Foreign), + }, ) } } else { @@ -1514,7 +1510,6 @@ impl<'a> Visitor<'a> for AstValidator<'a> { DEPRECATED_WHERE_CLAUSE_LOCATION, item.id, err.span, - fluent::ast_passes_deprecated_where_clause_location, BuiltinLintDiag::DeprecatedWhereclauseLocation(sugg), ); } diff --git a/compiler/rustc_ast_passes/src/errors.rs b/compiler/rustc_ast_passes/src/errors.rs index 25a125f83935..a95a7bdaf6da 100644 --- a/compiler/rustc_ast_passes/src/errors.rs +++ b/compiler/rustc_ast_passes/src/errors.rs @@ -669,6 +669,7 @@ pub struct ConstAndCVariadic { #[derive(Diagnostic)] #[diag(ast_passes_pattern_in_foreign, code = E0130)] +// FIXME: deduplicate with rustc_lint (`BuiltinLintDiag::PatternsInFnsWithoutBody`) pub struct PatternInForeign { #[primary_span] #[label] @@ -677,6 +678,7 @@ pub struct PatternInForeign { #[derive(Diagnostic)] #[diag(ast_passes_pattern_in_bodiless, code = E0642)] +// FIXME: deduplicate with rustc_lint (`BuiltinLintDiag::PatternsInFnsWithoutBody`) pub struct PatternInBodiless { #[primary_span] #[label] diff --git a/compiler/rustc_attr/src/builtin.rs b/compiler/rustc_attr/src/builtin.rs index c08bf2877336..1ac2e15c3275 100644 --- a/compiler/rustc_attr/src/builtin.rs +++ b/compiler/rustc_attr/src/builtin.rs @@ -532,11 +532,6 @@ pub fn cfg_matches( UNEXPECTED_CFGS, cfg.span, lint_node_id, - if let Some(value) = cfg.value { - format!("unexpected `cfg` condition value: `{value}`") - } else { - format!("unexpected `cfg` condition value: (none)") - }, BuiltinLintDiag::UnexpectedCfgValue( (cfg.name, cfg.name_span), cfg.value.map(|v| (v, cfg.value_span.unwrap())), @@ -548,7 +543,6 @@ pub fn cfg_matches( UNEXPECTED_CFGS, cfg.span, lint_node_id, - format!("unexpected `cfg` condition name: `{}`", cfg.name), BuiltinLintDiag::UnexpectedCfgName( (cfg.name, cfg.name_span), cfg.value.map(|v| (v, cfg.value_span.unwrap())), diff --git a/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs b/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs index 46949f731aaa..18dca4b2615d 100644 --- a/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs +++ b/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs @@ -1625,10 +1625,9 @@ impl<'a> TraitDef<'a> { BYTE_SLICE_IN_PACKED_STRUCT_WITH_DERIVE, sp, ast::CRATE_NODE_ID, - format!( - "{ty} slice in a packed struct that derives a built-in trait" - ), - rustc_lint_defs::BuiltinLintDiag::ByteSliceInPackedStructWithDerive, + rustc_lint_defs::BuiltinLintDiag::ByteSliceInPackedStructWithDerive { + ty: ty.to_string(), + }, ); } else { // Wrap the expression in `{...}`, causing a copy. diff --git a/compiler/rustc_builtin_macros/src/format.rs b/compiler/rustc_builtin_macros/src/format.rs index a5fc74f1d666..5cb0407bd59e 100644 --- a/compiler/rustc_builtin_macros/src/format.rs +++ b/compiler/rustc_builtin_macros/src/format.rs @@ -556,7 +556,6 @@ fn make_format_args( let arg_name = args.explicit_args()[index].kind.ident().unwrap(); ecx.buffered_early_lint.push(BufferedEarlyLint { span: arg_name.span.into(), - msg: format!("named argument `{}` is not used by name", arg_name.name).into(), node_id: rustc_ast::CRATE_NODE_ID, lint_id: LintId::of(NAMED_ARGUMENTS_USED_POSITIONALLY), diagnostic: BuiltinLintDiag::NamedArgumentUsedPositionally { diff --git a/compiler/rustc_expand/src/base.rs b/compiler/rustc_expand/src/base.rs index 12868a666056..c7ca515afc46 100644 --- a/compiler/rustc_expand/src/base.rs +++ b/compiler/rustc_expand/src/base.rs @@ -1370,7 +1370,6 @@ fn pretty_printing_compatibility_hack(item: &Item, sess: &Session) -> bool { PROC_MACRO_BACK_COMPAT, item.ident.span, ast::CRATE_NODE_ID, - "using an old version of `rental`", BuiltinLintDiag::ProcMacroBackCompat( "older versions of the `rental` crate will stop compiling in future versions of Rust; \ please update to `rental` v0.5.6, or switch to one of the `rental` alternatives".to_string() diff --git a/compiler/rustc_expand/src/expand.rs b/compiler/rustc_expand/src/expand.rs index a049ac251e1e..02e4f5e0f9e1 100644 --- a/compiler/rustc_expand/src/expand.rs +++ b/compiler/rustc_expand/src/expand.rs @@ -1803,7 +1803,6 @@ impl<'a, 'b> InvocationCollector<'a, 'b> { UNUSED_DOC_COMMENTS, current_span, self.cx.current_expansion.lint_node_id, - "unused doc comment", BuiltinLintDiag::UnusedDocComment(attr.span), ); } else if rustc_attr::is_builtin_attr(attr) { @@ -1815,7 +1814,6 @@ impl<'a, 'b> InvocationCollector<'a, 'b> { UNUSED_ATTRIBUTES, attr.span, self.cx.current_expansion.lint_node_id, - format!("unused attribute `{attr_name}`"), BuiltinLintDiag::UnusedBuiltinAttribute { attr_name, macro_name: pprust::path_to_string(&call.path), diff --git a/compiler/rustc_expand/src/mbe/macro_rules.rs b/compiler/rustc_expand/src/mbe/macro_rules.rs index 8f18055f8381..fee7ba099aad 100644 --- a/compiler/rustc_expand/src/mbe/macro_rules.rs +++ b/compiler/rustc_expand/src/mbe/macro_rules.rs @@ -83,7 +83,6 @@ impl<'a> ParserAnyMacro<'a> { SEMICOLON_IN_EXPRESSIONS_FROM_MACROS, parser.token.span, lint_node_id, - "trailing semicolon in macro used in expression position", BuiltinLintDiag::TrailingMacro(is_trailing_mac, macro_ident), ); } @@ -1158,7 +1157,6 @@ fn check_matcher_core<'tt>( RUST_2021_INCOMPATIBLE_OR_PATTERNS, span, ast::CRATE_NODE_ID, - "the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro", BuiltinLintDiag::OrPatternsBackCompat(span, suggestion), ); } diff --git a/compiler/rustc_interface/src/util.rs b/compiler/rustc_interface/src/util.rs index ce2382b95019..de7005a541be 100644 --- a/compiler/rustc_interface/src/util.rs +++ b/compiler/rustc_interface/src/util.rs @@ -409,7 +409,6 @@ pub(crate) fn check_attr_crate_type( lint::builtin::UNKNOWN_CRATE_TYPES, ast::CRATE_NODE_ID, span, - "invalid `crate_type` value", BuiltinLintDiag::UnknownCrateTypes( span, "did you mean".to_string(), diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index 6ad13c018128..e1b0aec6c96e 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -180,6 +180,9 @@ lint_deprecated_lint_name = .suggestion = change it to .help = change it to {$replace} +lint_deprecated_where_clause_location = + where clause not allowed here + lint_diag_out_of_impl = diagnostics should only be created in `Diagnostic`/`Subdiagnostic`/`LintDiagnostic` impls @@ -209,6 +212,8 @@ lint_expectation = this lint expectation is unfulfilled .note = the `unfulfilled_lint_expectations` lint can't be expected and will always produce this message .rationale = {$rationale} +lint_extern_without_abi = extern declarations without an explicit ABI are deprecated + lint_for_loops_over_fallibles = for loop over {$article} `{$ty}`. This is more readably written as an `if let` statement .suggestion = consider using `if let` to clear intent @@ -521,6 +526,12 @@ lint_path_statement_drop = path statement drops value lint_path_statement_no_effect = path statement with no effect +lint_pattern_in_bodiless = patterns aren't allowed in functions without bodies + .label = pattern not allowed in function without body + +lint_pattern_in_foreign = patterns aren't allowed in foreign function declarations + .label = pattern not allowed in foreign function + lint_ptr_null_checks_fn_ptr = function pointers are not nullable, so checking them for null will always return false .help = wrap the function pointer inside an `Option` and use `Option::is_none` to check for null pointer value .label = expression has type `{$orig_ty}` diff --git a/compiler/rustc_lint/src/context.rs b/compiler/rustc_lint/src/context.rs index 62ba9ef5c113..563d96d9519f 100644 --- a/compiler/rustc_lint/src/context.rs +++ b/compiler/rustc_lint/src/context.rs @@ -539,12 +539,11 @@ pub trait LintContext { &self, lint: &'static Lint, span: Option>, - msg: impl Into, decorate: impl for<'a, 'b> FnOnce(&'b mut Diag<'a, ()>), diagnostic: BuiltinLintDiag, ) { // We first generate a blank diagnostic. - self.opt_span_lint(lint, span, msg, |db| { + self.opt_span_lint(lint, span, diagnostics::builtin_message(&diagnostic), |db| { // Now, set up surrounding context. diagnostics::builtin(self.sess(), diagnostic, db); // Rewrap `db`, and pass control to the user. diff --git a/compiler/rustc_lint/src/context/diagnostics.rs b/compiler/rustc_lint/src/context/diagnostics.rs index b8aac6c15d94..df012b2d10bf 100644 --- a/compiler/rustc_lint/src/context/diagnostics.rs +++ b/compiler/rustc_lint/src/context/diagnostics.rs @@ -2,7 +2,7 @@ #![allow(rustc::untranslatable_diagnostic)] use rustc_ast::util::unicode::TEXT_FLOW_CONTROL_CHARS; -use rustc_errors::{elided_lifetime_in_path_suggestion, Diag}; +use rustc_errors::{elided_lifetime_in_path_suggestion, pluralize, Diag, DiagMessage}; use rustc_errors::{Applicability, SuggestionStyle}; use rustc_middle::middle::stability; use rustc_session::lint::BuiltinLintDiag; @@ -50,7 +50,7 @@ pub(super) fn builtin(sess: &Session, diagnostic: BuiltinLintDiag, diag: &mut Di ); } } - BuiltinLintDiag::Normal => (), + BuiltinLintDiag::Normal(_) => (), BuiltinLintDiag::AbsPathWithModule(span) => { let (sugg, app) = match sess.source_map().span_to_snippet(span) { Ok(ref s) => { @@ -64,7 +64,7 @@ pub(super) fn builtin(sess: &Session, diagnostic: BuiltinLintDiag, diag: &mut Di }; diag.span_suggestion(span, "use `crate`", sugg, app); } - BuiltinLintDiag::ProcMacroDeriveResolutionFallback(span) => { + BuiltinLintDiag::ProcMacroDeriveResolutionFallback { span, .. } => { diag.span_label( span, "names from parent modules are not accessible without an explicit import", @@ -88,16 +88,16 @@ pub(super) fn builtin(sess: &Session, diagnostic: BuiltinLintDiag, diag: &mut Di BuiltinLintDiag::UnknownCrateTypes(span, note, sugg) => { diag.span_suggestion(span, note, sugg, Applicability::MaybeIncorrect); } - BuiltinLintDiag::UnusedImports(message, replaces, in_test_module) => { - if !replaces.is_empty() { + BuiltinLintDiag::UnusedImports { fix_msg, fixes, test_module_span, .. } => { + if !fixes.is_empty() { diag.tool_only_multipart_suggestion( - message, - replaces, + fix_msg, + fixes, Applicability::MachineApplicable, ); } - if let Some(span) = in_test_module { + if let Some(span) = test_module_span { diag.span_help( sess.source_map().guess_head_span(span), "if this is a test module, consider adding a `#[cfg(test)]` to the containing module", @@ -114,7 +114,7 @@ pub(super) fn builtin(sess: &Session, diagnostic: BuiltinLintDiag, diag: &mut Di ); } } - BuiltinLintDiag::DeprecatedMacro(suggestion, span) => { + BuiltinLintDiag::DeprecatedMacro { suggestion, span, .. } => { stability::deprecation_suggestion(diag, "macro", suggestion, span) } BuiltinLintDiag::UnusedDocComment(span) => { @@ -122,7 +122,7 @@ pub(super) fn builtin(sess: &Session, diagnostic: BuiltinLintDiag, diag: &mut Di diag.help("to document an item produced by a macro, \ the macro must produce the documentation as part of its expansion"); } - BuiltinLintDiag::PatternsInFnsWithoutBody(span, ident) => { + BuiltinLintDiag::PatternsInFnsWithoutBody { span, ident, .. } => { diag.span_suggestion( span, "remove `mut` from the parameter", @@ -148,7 +148,7 @@ pub(super) fn builtin(sess: &Session, diagnostic: BuiltinLintDiag, diag: &mut Di Applicability::MachineApplicable, ); } - BuiltinLintDiag::ReservedPrefix(span) => { + BuiltinLintDiag::ReservedPrefix(span, _) => { diag.span_label(span, "unknown prefix"); diag.span_suggestion_verbose( span.shrink_to_hi(), @@ -206,6 +206,7 @@ pub(super) fn builtin(sess: &Session, diagnostic: BuiltinLintDiag, diag: &mut Di param_span, use_span: Some((use_span, elide)), deletion_span, + .. } => { debug!(?param_span, ?use_span, ?deletion_span); diag.span_label(param_span, "this lifetime..."); @@ -230,7 +231,9 @@ pub(super) fn builtin(sess: &Session, diagnostic: BuiltinLintDiag, diag: &mut Di diag.multipart_suggestion(msg, suggestions, Applicability::MachineApplicable); } } - BuiltinLintDiag::SingleUseLifetime { param_span: _, use_span: None, deletion_span } => { + BuiltinLintDiag::SingleUseLifetime { + param_span: _, use_span: None, deletion_span, .. + } => { debug!(?deletion_span); if let Some(deletion_span) = deletion_span { diag.span_suggestion( @@ -277,7 +280,7 @@ pub(super) fn builtin(sess: &Session, diagnostic: BuiltinLintDiag, diag: &mut Di ); } } - BuiltinLintDiag::ByteSliceInPackedStructWithDerive => { + BuiltinLintDiag::ByteSliceInPackedStructWithDerive { .. } => { diag.help("consider implementing the trait by hand, or remove the `packed` attribute"); } BuiltinLintDiag::UnusedExternCrate { removal_span } => { @@ -337,7 +340,7 @@ pub(super) fn builtin(sess: &Session, diagnostic: BuiltinLintDiag, diag: &mut Di Applicability::MachineApplicable, ); } - BuiltinLintDiag::RedundantImportVisibility { max_vis, span } => { + BuiltinLintDiag::RedundantImportVisibility { max_vis, span, .. } => { diag.span_note(span, format!("the most public imported item is `{max_vis}`")); diag.help( "reduce the glob import's visibility or increase visibility of imported items", @@ -353,3 +356,122 @@ pub(super) fn builtin(sess: &Session, diagnostic: BuiltinLintDiag, diag: &mut Di } } } + +pub(super) fn builtin_message(diagnostic: &BuiltinLintDiag) -> DiagMessage { + match diagnostic { + BuiltinLintDiag::Normal(msg) => msg.clone(), + BuiltinLintDiag::AbsPathWithModule(_) => { + "absolute paths must start with `self`, `super`, `crate`, or an \ + external crate name in the 2018 edition" + .into() + } + BuiltinLintDiag::ProcMacroDeriveResolutionFallback { ns, ident, .. } => { + format!("cannot find {} `{}` in this scope", ns.descr(), ident).into() + } + BuiltinLintDiag::MacroExpandedMacroExportsAccessedByAbsolutePaths(_) => { + "macro-expanded `macro_export` macros from the current crate cannot \ + be referred to by absolute paths" + .into() + } + BuiltinLintDiag::ElidedLifetimesInPaths(_, _, _, _) => { + "hidden lifetime parameters in types are deprecated".into() + } + BuiltinLintDiag::UnknownCrateTypes(_, _, _) => "invalid `crate_type` value".into(), + BuiltinLintDiag::UnusedImports { span_snippets, .. } => format!( + "unused import{}{}", + pluralize!(span_snippets.len()), + if !span_snippets.is_empty() { + format!(": {}", span_snippets.join(", ")) + } else { + String::new() + } + ) + .into(), + BuiltinLintDiag::RedundantImport(_, source) => { + format!("the item `{source}` is imported redundantly").into() + } + BuiltinLintDiag::DeprecatedMacro { message, .. } => message.clone().into(), + BuiltinLintDiag::MissingAbi(_, _) => crate::fluent_generated::lint_extern_without_abi, + BuiltinLintDiag::UnusedDocComment(_) => "unused doc comment".into(), + BuiltinLintDiag::UnusedBuiltinAttribute { attr_name, .. } => { + format!("unused attribute `{attr_name}`").into() + } + BuiltinLintDiag::PatternsInFnsWithoutBody { is_foreign, .. } => { + if *is_foreign { + crate::fluent_generated::lint_pattern_in_foreign + } else { + crate::fluent_generated::lint_pattern_in_bodiless + } + } + BuiltinLintDiag::LegacyDeriveHelpers(_) => { + "derive helper attribute is used before it is introduced".into() + } + BuiltinLintDiag::ProcMacroBackCompat(_) => "using an old version of `rental`".into(), + BuiltinLintDiag::OrPatternsBackCompat(_, _) => { + "the meaning of the `pat` fragment specifier is changing in Rust 2021, \ + which may affect this macro" + .into() + } + BuiltinLintDiag::ReservedPrefix(_, prefix) => { + format!("prefix `{prefix}` is unknown").into() + } + BuiltinLintDiag::TrailingMacro(_, _) => { + "trailing semicolon in macro used in expression position".into() + } + BuiltinLintDiag::BreakWithLabelAndLoop(_) => { + "this labeled break expression is easy to confuse with an unlabeled break with a \ + labeled value expression" + .into() + } + BuiltinLintDiag::UnicodeTextFlow(_, _) => { + "unicode codepoint changing visible direction of text present in comment".into() + } + BuiltinLintDiag::UnexpectedCfgName((name, _), _) => { + format!("unexpected `cfg` condition name: `{}`", name).into() + } + BuiltinLintDiag::UnexpectedCfgValue(_, v) => if let Some((value, _)) = v { + format!("unexpected `cfg` condition value: `{value}`") + } else { + format!("unexpected `cfg` condition value: (none)") + } + .into(), + BuiltinLintDiag::DeprecatedWhereclauseLocation(_) => { + crate::fluent_generated::lint_deprecated_where_clause_location + } + BuiltinLintDiag::SingleUseLifetime { use_span, ident, .. } => { + if use_span.is_some() { + format!("lifetime parameter `{}` only used once", ident).into() + } else { + format!("lifetime parameter `{}` never used", ident).into() + } + } + BuiltinLintDiag::NamedArgumentUsedPositionally { named_arg_name, .. } => { + format!("named argument `{}` is not used by name", named_arg_name).into() + } + BuiltinLintDiag::ByteSliceInPackedStructWithDerive { ty } => { + format!("{ty} slice in a packed struct that derives a built-in trait").into() + } + BuiltinLintDiag::UnusedExternCrate { .. } => "unused extern crate".into(), + BuiltinLintDiag::ExternCrateNotIdiomatic { .. } => { + "`extern crate` is not idiomatic in the new edition".into() + } + BuiltinLintDiag::AmbiguousGlobImports { diag } => diag.msg.clone().into(), + BuiltinLintDiag::AmbiguousGlobReexports { .. } => "ambiguous glob re-exports".into(), + BuiltinLintDiag::HiddenGlobReexports { .. } => { + "private item shadows public glob re-export".into() + } + BuiltinLintDiag::UnusedQualifications { .. } => "unnecessary qualification".into(), + BuiltinLintDiag::AssociatedConstElidedLifetime { elided, .. } => if *elided { + "`&` without an explicit lifetime name cannot be used here" + } else { + "`'_` cannot be used here" + } + .into(), + BuiltinLintDiag::RedundantImportVisibility { import_vis, .. } => format!( + "glob import doesn't reexport anything with visibility `{}` \ + because no imported item is public enough", + import_vis + ) + .into(), + } +} diff --git a/compiler/rustc_lint/src/early.rs b/compiler/rustc_lint/src/early.rs index 3f627baf7704..80cb70ba277c 100644 --- a/compiler/rustc_lint/src/early.rs +++ b/compiler/rustc_lint/src/early.rs @@ -44,14 +44,8 @@ impl<'a, T: EarlyLintPass> EarlyContextAndPass<'a, T> { #[allow(rustc::diagnostic_outside_of_impl)] fn inlined_check_id(&mut self, id: ast::NodeId) { for early_lint in self.context.buffered.take(id) { - let BufferedEarlyLint { span, msg, node_id: _, lint_id, diagnostic } = early_lint; - self.context.span_lint_with_diagnostics( - lint_id.lint, - Some(span), - msg, - |_| {}, - diagnostic, - ); + let BufferedEarlyLint { span, node_id: _, lint_id, diagnostic } = early_lint; + self.context.span_lint_with_diagnostics(lint_id.lint, Some(span), |_| {}, diagnostic); } } diff --git a/compiler/rustc_lint_defs/src/lib.rs b/compiler/rustc_lint_defs/src/lib.rs index 7da65ba0eec9..a0b24d02561d 100644 --- a/compiler/rustc_lint_defs/src/lib.rs +++ b/compiler/rustc_lint_defs/src/lib.rs @@ -6,6 +6,7 @@ use rustc_data_structures::stable_hasher::{ HashStable, StableCompare, StableHasher, ToStableHashKey, }; use rustc_error_messages::{DiagMessage, MultiSpan}; +use rustc_hir::def::Namespace; use rustc_hir::HashStableContext; use rustc_hir::HirId; use rustc_macros::{Decodable, Encodable, HashStable_Generic}; @@ -569,15 +570,28 @@ pub struct AmbiguityErrorDiag { // becomes hacky (and it gets allocated). #[derive(Debug)] pub enum BuiltinLintDiag { - Normal, + Normal(DiagMessage), AbsPathWithModule(Span), - ProcMacroDeriveResolutionFallback(Span), + ProcMacroDeriveResolutionFallback { + span: Span, + ns: Namespace, + ident: Ident, + }, MacroExpandedMacroExportsAccessedByAbsolutePaths(Span), ElidedLifetimesInPaths(usize, Span, bool, Span), UnknownCrateTypes(Span, String, String), - UnusedImports(String, Vec<(Span, String)>, Option), + UnusedImports { + fix_msg: String, + fixes: Vec<(Span, String)>, + test_module_span: Option, + span_snippets: Vec, + }, RedundantImport(Vec<(Span, bool)>, Ident), - DeprecatedMacro(Option, Span), + DeprecatedMacro { + suggestion: Option, + span: Span, + message: String, + }, MissingAbi(Span, Abi), UnusedDocComment(Span), UnusedBuiltinAttribute { @@ -585,11 +599,15 @@ pub enum BuiltinLintDiag { macro_name: String, invoc_span: Span, }, - PatternsInFnsWithoutBody(Span, Ident), + PatternsInFnsWithoutBody { + span: Span, + ident: Ident, + is_foreign: bool, + }, LegacyDeriveHelpers(Span), ProcMacroBackCompat(String), OrPatternsBackCompat(Span, String), - ReservedPrefix(Span), + ReservedPrefix(Span, String), TrailingMacro(bool, Ident), BreakWithLabelAndLoop(Span), UnicodeTextFlow(Span, String), @@ -605,6 +623,7 @@ pub enum BuiltinLintDiag { /// Span of the single use, or None if the lifetime is never used. /// If true, the lifetime will be fully elided. use_span: Option<(Span, bool)>, + ident: Ident, }, NamedArgumentUsedPositionally { /// Span where the named argument is used by position and will be replaced with the named @@ -619,7 +638,10 @@ pub enum BuiltinLintDiag { /// Indicates if the named argument is used as a width/precision for formatting is_formatting_arg: bool, }, - ByteSliceInPackedStructWithDerive, + ByteSliceInPackedStructWithDerive { + // FIXME: enum of byte/string + ty: String, + }, UnusedExternCrate { removal_span: Span, }, @@ -661,6 +683,7 @@ pub enum BuiltinLintDiag { RedundantImportVisibility { span: Span, max_vis: String, + import_vis: String, }, MaybeTypo { span: Span, @@ -675,9 +698,6 @@ pub struct BufferedEarlyLint { /// The span of code that we are linting on. pub span: MultiSpan, - /// The lint message. - pub msg: DiagMessage, - /// The `NodeId` of the AST node that generated the lint. pub node_id: NodeId, @@ -705,12 +725,10 @@ impl LintBuffer { lint: &'static Lint, node_id: NodeId, span: MultiSpan, - msg: impl Into, diagnostic: BuiltinLintDiag, ) { let lint_id = LintId::of(lint); - let msg = msg.into(); - self.add_early_lint(BufferedEarlyLint { lint_id, node_id, span, msg, diagnostic }); + self.add_early_lint(BufferedEarlyLint { lint_id, node_id, span, diagnostic }); } pub fn take(&mut self, id: NodeId) -> Vec { @@ -725,7 +743,7 @@ impl LintBuffer { sp: impl Into, msg: impl Into, ) { - self.add_lint(lint, id, sp.into(), msg, BuiltinLintDiag::Normal) + self.add_lint(lint, id, sp.into(), BuiltinLintDiag::Normal(msg.into())) } pub fn buffer_lint_with_diagnostic( @@ -733,10 +751,9 @@ impl LintBuffer { lint: &'static Lint, id: NodeId, sp: impl Into, - msg: impl Into, diagnostic: BuiltinLintDiag, ) { - self.add_lint(lint, id, sp.into(), msg, diagnostic) + self.add_lint(lint, id, sp.into(), diagnostic) } } diff --git a/compiler/rustc_middle/src/middle/stability.rs b/compiler/rustc_middle/src/middle/stability.rs index 67bd53f53dae..75ed408e6441 100644 --- a/compiler/rustc_middle/src/middle/stability.rs +++ b/compiler/rustc_middle/src/middle/stability.rs @@ -200,8 +200,8 @@ pub fn early_report_deprecation( return; } - let diag = BuiltinLintDiag::DeprecatedMacro(suggestion, span); - lint_buffer.buffer_lint_with_diagnostic(lint, node_id, span, message, diag); + let diag = BuiltinLintDiag::DeprecatedMacro { suggestion, span, message }; + lint_buffer.buffer_lint_with_diagnostic(lint, node_id, span, diag); } fn late_report_deprecation( diff --git a/compiler/rustc_parse/src/lexer/mod.rs b/compiler/rustc_parse/src/lexer/mod.rs index d2d200a91aff..cdb1cf62cf78 100644 --- a/compiler/rustc_parse/src/lexer/mod.rs +++ b/compiler/rustc_parse/src/lexer/mod.rs @@ -374,7 +374,6 @@ impl<'psess, 'src> StringReader<'psess, 'src> { TEXT_DIRECTION_CODEPOINT_IN_COMMENT, span, ast::CRATE_NODE_ID, - "unicode codepoint changing visible direction of text present in comment", BuiltinLintDiag::UnicodeTextFlow(span, content.to_string()), ); } @@ -727,8 +726,7 @@ impl<'psess, 'src> StringReader<'psess, 'src> { RUST_2021_PREFIXES_INCOMPATIBLE_SYNTAX, prefix_span, ast::CRATE_NODE_ID, - format!("prefix `{prefix}` is unknown"), - BuiltinLintDiag::ReservedPrefix(prefix_span), + BuiltinLintDiag::ReservedPrefix(prefix_span, prefix.to_string()), ); } } diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs index d2d21624150b..be4a52a9bc4e 100644 --- a/compiler/rustc_parse/src/parser/expr.rs +++ b/compiler/rustc_parse/src/parser/expr.rs @@ -1917,7 +1917,6 @@ impl<'a> Parser<'a> { BREAK_WITH_LABEL_AND_LOOP, lo.to(expr.span), ast::CRATE_NODE_ID, - "this labeled break expression is easy to confuse with an unlabeled break with a labeled value expression", BuiltinLintDiag::BreakWithLabelAndLoop(expr.span), ); } diff --git a/compiler/rustc_resolve/src/check_unused.rs b/compiler/rustc_resolve/src/check_unused.rs index 180e7f6def3a..2a8eb940ccf5 100644 --- a/compiler/rustc_resolve/src/check_unused.rs +++ b/compiler/rustc_resolve/src/check_unused.rs @@ -32,7 +32,7 @@ use rustc_ast as ast; use rustc_ast::visit::{self, Visitor}; use rustc_data_structures::fx::{FxHashMap, FxIndexMap, FxIndexSet}; use rustc_data_structures::unord::UnordSet; -use rustc_errors::{pluralize, MultiSpan}; +use rustc_errors::MultiSpan; use rustc_hir::def::{DefKind, Res}; use rustc_session::lint::builtin::{MACRO_USE_EXTERN_CRATE, UNUSED_EXTERN_CRATES}; use rustc_session::lint::builtin::{UNUSED_IMPORTS, UNUSED_QUALIFICATIONS}; @@ -155,7 +155,6 @@ impl<'a, 'b, 'tcx> UnusedImportCheckVisitor<'a, 'b, 'tcx> { UNUSED_EXTERN_CRATES, extern_crate.id, span, - "unused extern crate", BuiltinLintDiag::UnusedExternCrate { removal_span: extern_crate.span_with_attributes, }, @@ -208,7 +207,6 @@ impl<'a, 'b, 'tcx> UnusedImportCheckVisitor<'a, 'b, 'tcx> { UNUSED_EXTERN_CRATES, extern_crate.id, extern_crate.span, - "`extern crate` is not idiomatic in the new edition", BuiltinLintDiag::ExternCrateNotIdiomatic { vis_span, ident_span }, ); } @@ -459,16 +457,6 @@ impl Resolver<'_, '_> { .collect::>(); span_snippets.sort(); - let msg = format!( - "unused import{}{}", - pluralize!(ms.primary_spans().len()), - if !span_snippets.is_empty() { - format!(": {}", span_snippets.join(", ")) - } else { - String::new() - } - ); - let fix_msg = if fixes.len() == 1 && fixes[0].0 == unused.item_span { "remove the whole `use` item" } else if ms.primary_spans().len() > 1 { @@ -505,8 +493,12 @@ impl Resolver<'_, '_> { UNUSED_IMPORTS, unused.use_tree_id, ms, - msg, - BuiltinLintDiag::UnusedImports(fix_msg.into(), fixes, test_module_span), + BuiltinLintDiag::UnusedImports { + fix_msg: fix_msg.into(), + fixes, + test_module_span, + span_snippets, + }, ); } @@ -556,7 +548,6 @@ impl Resolver<'_, '_> { UNUSED_QUALIFICATIONS, unn_qua.node_id, unn_qua.path_span, - "unnecessary qualification", BuiltinLintDiag::UnusedQualifications { removal_span: unn_qua.removal_span }, ); } diff --git a/compiler/rustc_resolve/src/diagnostics.rs b/compiler/rustc_resolve/src/diagnostics.rs index b28312fa473a..791d777b3d44 100644 --- a/compiler/rustc_resolve/src/diagnostics.rs +++ b/compiler/rustc_resolve/src/diagnostics.rs @@ -128,13 +128,10 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { self.report_with_use_injections(krate); for &(span_use, span_def) in &self.macro_expanded_macro_export_errors { - let msg = "macro-expanded `macro_export` macros from the current crate \ - cannot be referred to by absolute paths"; self.lint_buffer.buffer_lint_with_diagnostic( MACRO_EXPANDED_MACRO_EXPORTS_ACCESSED_BY_ABSOLUTE_PATHS, CRATE_NODE_ID, span_use, - msg, BuiltinLintDiag::MacroExpandedMacroExportsAccessedByAbsolutePaths(span_def), ); } @@ -149,7 +146,6 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { AMBIGUOUS_GLOB_IMPORTS, import.root_id, ambiguity_error.ident.span, - diag.msg.to_string(), BuiltinLintDiag::AmbiguousGlobImports { diag }, ); } else { @@ -530,8 +526,6 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { ABSOLUTE_PATHS_NOT_STARTING_WITH_CRATE, node_id, root_span, - "absolute paths must start with `self`, `super`, \ - `crate`, or an external crate name in the 2018 edition", diag, ); } diff --git a/compiler/rustc_resolve/src/ident.rs b/compiler/rustc_resolve/src/ident.rs index f88725830f1e..d1fd19e9953e 100644 --- a/compiler/rustc_resolve/src/ident.rs +++ b/compiler/rustc_resolve/src/ident.rs @@ -528,14 +528,11 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { PROC_MACRO_DERIVE_RESOLUTION_FALLBACK, lint_id, orig_ident.span, - format!( - "cannot find {} `{}` in this scope", - ns.descr(), - ident - ), - BuiltinLintDiag::ProcMacroDeriveResolutionFallback( - orig_ident.span, - ), + BuiltinLintDiag::ProcMacroDeriveResolutionFallback { + span: orig_ident.span, + ns, + ident, + }, ); } let misc_flags = if module == this.graph_root { diff --git a/compiler/rustc_resolve/src/imports.rs b/compiler/rustc_resolve/src/imports.rs index f53bcb0e9d0d..55a0382a8e80 100644 --- a/compiler/rustc_resolve/src/imports.rs +++ b/compiler/rustc_resolve/src/imports.rs @@ -623,7 +623,6 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { AMBIGUOUS_GLOB_REEXPORTS, import.root_id, import.root_span, - "ambiguous glob re-exports", BuiltinLintDiag::AmbiguousGlobReexports { name: key.ident.to_string(), namespace: key.ns.descr().to_string(), @@ -659,7 +658,6 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { HIDDEN_GLOB_REEXPORTS, binding_id, binding.span, - "private item shadows public glob re-export", BuiltinLintDiag::HiddenGlobReexports { name: key.ident.name.to_string(), namespace: key.ns.descr().to_owned(), @@ -1015,17 +1013,13 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { && !max_vis.is_at_least(import_vis, self.tcx) { let def_id = self.local_def_id(id); - let msg = format!( - "glob import doesn't reexport anything with visibility `{}` because no imported item is public enough", - import_vis.to_string(def_id, self.tcx) - ); self.lint_buffer.buffer_lint_with_diagnostic( UNUSED_IMPORTS, id, import.span, - msg, BuiltinLintDiag::RedundantImportVisibility { max_vis: max_vis.to_string(def_id, self.tcx), + import_vis: import_vis.to_string(def_id, self.tcx), span: import.span, }, ); @@ -1397,7 +1391,6 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { UNUSED_IMPORTS, id, import.span, - format!("the item `{source}` is imported redundantly"), BuiltinLintDiag::RedundantImport(redundant_spans, source), ); */ diff --git a/compiler/rustc_resolve/src/late.rs b/compiler/rustc_resolve/src/late.rs index 0f585aafdd5c..9442741b6cc5 100644 --- a/compiler/rustc_resolve/src/late.rs +++ b/compiler/rustc_resolve/src/late.rs @@ -1675,16 +1675,10 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { return; } LifetimeRibKind::AnonymousWarn(node_id) => { - let msg = if elided { - "`&` without an explicit lifetime name cannot be used here" - } else { - "`'_` cannot be used here" - }; self.r.lint_buffer.buffer_lint_with_diagnostic( lint::builtin::ELIDED_LIFETIMES_IN_ASSOCIATED_CONSTANT, node_id, lifetime.ident.span, - msg, lint::BuiltinLintDiag::AssociatedConstElidedLifetime { elided, span: lifetime.ident.span, @@ -1970,7 +1964,6 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { lint::builtin::ELIDED_LIFETIMES_IN_PATHS, segment_id, elided_lifetime_span, - "hidden lifetime parameters in types are deprecated", lint::BuiltinLintDiag::ElidedLifetimesInPaths( expected_lifetimes, path_span, diff --git a/compiler/rustc_resolve/src/late/diagnostics.rs b/compiler/rustc_resolve/src/late/diagnostics.rs index 1958fdf1cbc4..ce14c98b0d61 100644 --- a/compiler/rustc_resolve/src/late/diagnostics.rs +++ b/compiler/rustc_resolve/src/late/diagnostics.rs @@ -2655,11 +2655,11 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { lint::builtin::SINGLE_USE_LIFETIMES, param.id, param.ident.span, - format!("lifetime parameter `{}` only used once", param.ident), lint::BuiltinLintDiag::SingleUseLifetime { param_span: param.ident.span, use_span: Some((use_span, elidable)), deletion_span, + ident: param.ident, }, ); } @@ -2673,11 +2673,11 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { lint::builtin::UNUSED_LIFETIMES, param.id, param.ident.span, - format!("lifetime parameter `{}` never used", param.ident), lint::BuiltinLintDiag::SingleUseLifetime { param_span: param.ident.span, use_span: None, deletion_span, + ident: param.ident, }, ); } diff --git a/compiler/rustc_resolve/src/macros.rs b/compiler/rustc_resolve/src/macros.rs index f8d245f94e53..0e0e6ffc136d 100644 --- a/compiler/rustc_resolve/src/macros.rs +++ b/compiler/rustc_resolve/src/macros.rs @@ -786,7 +786,6 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { LEGACY_DERIVE_HELPERS, node_id, ident.span, - "derive helper attribute is used before it is introduced", BuiltinLintDiag::LegacyDeriveHelpers(binding.span), ); } diff --git a/compiler/rustc_session/src/parse.rs b/compiler/rustc_session/src/parse.rs index f6053f43fbd1..59281f96126c 100644 --- a/compiler/rustc_session/src/parse.rs +++ b/compiler/rustc_session/src/parse.rs @@ -311,9 +311,8 @@ impl ParseSess { buffered_lints.push(BufferedEarlyLint { span: span.into(), node_id, - msg: msg.into(), lint_id: LintId::of(lint), - diagnostic: BuiltinLintDiag::Normal, + diagnostic: BuiltinLintDiag::Normal(msg.into()), }); }); } @@ -323,14 +322,12 @@ impl ParseSess { lint: &'static Lint, span: impl Into, node_id: NodeId, - msg: impl Into, diagnostic: BuiltinLintDiag, ) { self.buffered_lints.with_lock(|buffered_lints| { buffered_lints.push(BufferedEarlyLint { span: span.into(), node_id, - msg: msg.into(), lint_id: LintId::of(lint), diagnostic, }); From 41a20b4c5659d93ef01051351f012c04fea1a38a Mon Sep 17 00:00:00 2001 From: Xiretza Date: Sun, 21 Apr 2024 13:24:25 +0000 Subject: [PATCH 0376/1716] Port DeprecatedMacro to diag structs --- .../rustc_lint/src/context/diagnostics.rs | 25 ++- compiler/rustc_lint_defs/src/lib.rs | 13 +- compiler/rustc_middle/messages.ftl | 14 ++ compiler/rustc_middle/src/middle/stability.rs | 190 ++++++++++-------- compiler/rustc_resolve/src/macros.rs | 8 +- 5 files changed, 153 insertions(+), 97 deletions(-) diff --git a/compiler/rustc_lint/src/context/diagnostics.rs b/compiler/rustc_lint/src/context/diagnostics.rs index df012b2d10bf..70aa14a565d1 100644 --- a/compiler/rustc_lint/src/context/diagnostics.rs +++ b/compiler/rustc_lint/src/context/diagnostics.rs @@ -2,7 +2,9 @@ #![allow(rustc::untranslatable_diagnostic)] use rustc_ast::util::unicode::TEXT_FLOW_CONTROL_CHARS; -use rustc_errors::{elided_lifetime_in_path_suggestion, pluralize, Diag, DiagMessage}; +use rustc_errors::{ + elided_lifetime_in_path_suggestion, pluralize, Diag, DiagMessage, LintDiagnostic, +}; use rustc_errors::{Applicability, SuggestionStyle}; use rustc_middle::middle::stability; use rustc_session::lint::BuiltinLintDiag; @@ -114,8 +116,21 @@ pub(super) fn builtin(sess: &Session, diagnostic: BuiltinLintDiag, diag: &mut Di ); } } - BuiltinLintDiag::DeprecatedMacro { suggestion, span, .. } => { - stability::deprecation_suggestion(diag, "macro", suggestion, span) + BuiltinLintDiag::DeprecatedMacro { + suggestion, + suggestion_span, + note, + path, + since_kind, + } => { + let sub = suggestion.map(|suggestion| stability::DeprecationSuggestion { + span: suggestion_span, + kind: "macro".to_owned(), + suggestion, + }); + let deprecated = + stability::Deprecated { sub, kind: "macro".to_owned(), path, note, since_kind }; + deprecated.decorate_lint(diag); } BuiltinLintDiag::UnusedDocComment(span) => { diag.span_label(span, "rustdoc does not generate documentation for macro invocations"); @@ -390,7 +405,9 @@ pub(super) fn builtin_message(diagnostic: &BuiltinLintDiag) -> DiagMessage { BuiltinLintDiag::RedundantImport(_, source) => { format!("the item `{source}` is imported redundantly").into() } - BuiltinLintDiag::DeprecatedMacro { message, .. } => message.clone().into(), + BuiltinLintDiag::DeprecatedMacro { since_kind, .. } => { + stability::Deprecated::msg_for_since_kind(since_kind) + } BuiltinLintDiag::MissingAbi(_, _) => crate::fluent_generated::lint_extern_without_abi, BuiltinLintDiag::UnusedDocComment(_) => "unused doc comment".into(), BuiltinLintDiag::UnusedBuiltinAttribute { attr_name, .. } => { diff --git a/compiler/rustc_lint_defs/src/lib.rs b/compiler/rustc_lint_defs/src/lib.rs index a0b24d02561d..53238ed96299 100644 --- a/compiler/rustc_lint_defs/src/lib.rs +++ b/compiler/rustc_lint_defs/src/lib.rs @@ -566,6 +566,13 @@ pub struct AmbiguityErrorDiag { pub b2_help_msgs: Vec, } +#[derive(Debug, Clone)] +pub enum DeprecatedSinceKind { + InEffect, + InFuture, + InVersion(String), +} + // This could be a closure, but then implementing derive trait // becomes hacky (and it gets allocated). #[derive(Debug)] @@ -589,8 +596,10 @@ pub enum BuiltinLintDiag { RedundantImport(Vec<(Span, bool)>, Ident), DeprecatedMacro { suggestion: Option, - span: Span, - message: String, + suggestion_span: Span, + note: Option, + path: String, + since_kind: DeprecatedSinceKind, }, MissingAbi(Span, Abi), UnusedDocComment(Span), diff --git a/compiler/rustc_middle/messages.ftl b/compiler/rustc_middle/messages.ftl index 27d555d7e26c..f4d619329eb9 100644 --- a/compiler/rustc_middle/messages.ftl +++ b/compiler/rustc_middle/messages.ftl @@ -50,6 +50,20 @@ middle_const_not_used_in_type_alias = middle_cycle = a cycle occurred during layout computation +middle_deprecated = use of deprecated {$kind} `{$path}`{$has_note -> + [true] : {$note} + *[other] {""} + } +middle_deprecated_in_future = use of {$kind} `{$path}` that will be deprecated in a future Rust version{$has_note -> + [true] : {$note} + *[other] {""} + } +middle_deprecated_in_version = use of {$kind} `{$path}` that will be deprecated in future version {$version}{$has_note -> + [true] : {$note} + *[other] {""} + } +middle_deprecated_suggestion = replace the use of the deprecated {$kind} + middle_drop_check_overflow = overflow while adding drop-check rules for {$ty} .note = overflowed on {$overflow_ty} diff --git a/compiler/rustc_middle/src/middle/stability.rs b/compiler/rustc_middle/src/middle/stability.rs index 75ed408e6441..37d2c6a70785 100644 --- a/compiler/rustc_middle/src/middle/stability.rs +++ b/compiler/rustc_middle/src/middle/stability.rs @@ -9,15 +9,15 @@ use rustc_attr::{ self as attr, ConstStability, DefaultBodyStability, DeprecatedSince, Deprecation, Stability, }; use rustc_data_structures::unord::UnordMap; -use rustc_errors::{Applicability, Diag}; +use rustc_errors::{Applicability, Diag, EmissionGuarantee}; use rustc_feature::GateIssue; use rustc_hir::def::DefKind; use rustc_hir::def_id::{DefId, LocalDefId, LocalDefIdMap}; use rustc_hir::{self as hir, HirId}; -use rustc_macros::{Decodable, Encodable, HashStable}; +use rustc_macros::{Decodable, Encodable, HashStable, Subdiagnostic}; use rustc_middle::ty::print::with_no_trimmed_paths; use rustc_session::lint::builtin::{DEPRECATED, DEPRECATED_IN_FUTURE, SOFT_UNSTABLE}; -use rustc_session::lint::{BuiltinLintDiag, Level, Lint, LintBuffer}; +use rustc_session::lint::{BuiltinLintDiag, DeprecatedSinceKind, Level, Lint, LintBuffer}; use rustc_session::parse::feature_err_issue; use rustc_session::Session; use rustc_span::symbol::{sym, Symbol}; @@ -125,90 +125,114 @@ pub fn report_unstable( } } -pub fn deprecation_suggestion( - diag: &mut Diag<'_, ()>, - kind: &str, - suggestion: Option, - span: Span, -) { - if let Some(suggestion) = suggestion { - diag.span_suggestion_verbose( - span, - format!("replace the use of the deprecated {kind}"), - suggestion, - Applicability::MachineApplicable, - ); - } -} - fn deprecation_lint(is_in_effect: bool) -> &'static Lint { if is_in_effect { DEPRECATED } else { DEPRECATED_IN_FUTURE } } -fn deprecation_message( - is_in_effect: bool, - since: DeprecatedSince, - note: Option, - kind: &str, - path: &str, -) -> String { - let message = if is_in_effect { - format!("use of deprecated {kind} `{path}`") +#[derive(Subdiagnostic)] +#[suggestion( + middle_deprecated_suggestion, + code = "{suggestion}", + style = "verbose", + applicability = "machine-applicable" +)] +pub struct DeprecationSuggestion { + #[primary_span] + pub span: Span, + + pub kind: String, + pub suggestion: Symbol, +} + +pub struct Deprecated { + pub sub: Option, + + // FIXME: make this translatable + pub kind: String, + pub path: String, + pub note: Option, + pub since_kind: DeprecatedSinceKind, +} + +impl Deprecated { + // FIXME: remove + pub fn msg_for_since_kind(since_kind: &DeprecatedSinceKind) -> rustc_errors::DiagMessage { + match since_kind { + DeprecatedSinceKind::InEffect => crate::fluent_generated::middle_deprecated, + DeprecatedSinceKind::InFuture => crate::fluent_generated::middle_deprecated_in_future, + DeprecatedSinceKind::InVersion(_) => { + crate::fluent_generated::middle_deprecated_in_version + } + } + } +} + +impl<'a, G: EmissionGuarantee> rustc_errors::LintDiagnostic<'a, G> for Deprecated { + fn decorate_lint<'b>(self, diag: &'b mut Diag<'a, G>) { + diag.arg("kind", self.kind); + diag.arg("path", self.path); + if let DeprecatedSinceKind::InVersion(version) = self.since_kind { + diag.arg("version", version); + } + if let Some(note) = self.note { + diag.arg("has_note", true); + diag.arg("note", note); + } else { + diag.arg("has_note", false); + } + if let Some(sub) = self.sub { + diag.subdiagnostic(diag.dcx, sub); + } + } + + fn msg(&self) -> rustc_errors::DiagMessage { + Self::msg_for_since_kind(&self.since_kind) + } +} + +fn deprecated_since_kind(is_in_effect: bool, since: DeprecatedSince) -> DeprecatedSinceKind { + if is_in_effect { + DeprecatedSinceKind::InEffect } else { match since { - DeprecatedSince::RustcVersion(version) => format!( - "use of {kind} `{path}` that will be deprecated in future version {version}" - ), - DeprecatedSince::Future => { - format!("use of {kind} `{path}` that will be deprecated in a future Rust version") + DeprecatedSince::RustcVersion(version) => { + DeprecatedSinceKind::InVersion(version.to_string()) } + DeprecatedSince::Future => DeprecatedSinceKind::InFuture, DeprecatedSince::NonStandard(_) | DeprecatedSince::Unspecified | DeprecatedSince::Err => { unreachable!("this deprecation is always in effect; {since:?}") } } - }; - - match note { - Some(reason) => format!("{message}: {reason}"), - None => message, } } -pub fn deprecation_message_and_lint( - depr: &Deprecation, - kind: &str, - path: &str, -) -> (String, &'static Lint) { - let is_in_effect = depr.is_in_effect(); - ( - deprecation_message(is_in_effect, depr.since, depr.note, kind, path), - deprecation_lint(is_in_effect), - ) -} - -pub fn early_report_deprecation( +pub fn early_report_macro_deprecation( lint_buffer: &mut LintBuffer, - message: String, - suggestion: Option, - lint: &'static Lint, + depr: &Deprecation, span: Span, node_id: NodeId, + path: String, ) { if span.in_derive_expansion() { return; } - let diag = BuiltinLintDiag::DeprecatedMacro { suggestion, span, message }; - lint_buffer.buffer_lint_with_diagnostic(lint, node_id, span, diag); + let is_in_effect = depr.is_in_effect(); + let diag = BuiltinLintDiag::DeprecatedMacro { + suggestion: depr.suggestion, + suggestion_span: span, + note: depr.note, + path, + since_kind: deprecated_since_kind(is_in_effect, depr.since.clone()), + }; + lint_buffer.buffer_lint_with_diagnostic(deprecation_lint(is_in_effect), node_id, span, diag); } fn late_report_deprecation( tcx: TyCtxt<'_>, - message: String, - suggestion: Option, - lint: &'static Lint, + depr: &Deprecation, span: Span, method_span: Option, hir_id: HirId, @@ -217,13 +241,26 @@ fn late_report_deprecation( if span.in_derive_expansion() { return; } + + let def_path = with_no_trimmed_paths!(tcx.def_path_str(def_id)); + let def_kind = tcx.def_descr(def_id); + let is_in_effect = depr.is_in_effect(); + let method_span = method_span.unwrap_or(span); - tcx.node_span_lint(lint, hir_id, method_span, message, |diag| { - if let hir::Node::Expr(_) = tcx.hir_node(hir_id) { - let kind = tcx.def_descr(def_id); - deprecation_suggestion(diag, kind, suggestion, method_span); - } - }); + let suggestion = + if let hir::Node::Expr(_) = tcx.hir_node(hir_id) { depr.suggestion } else { None }; + let diag = Deprecated { + sub: suggestion.map(|suggestion| DeprecationSuggestion { + span: method_span, + kind: def_kind.to_owned(), + suggestion, + }), + kind: def_kind.to_owned(), + path: def_path, + note: depr.note, + since_kind: deprecated_since_kind(is_in_effect, depr.since), + }; + tcx.emit_node_span_lint(deprecation_lint(is_in_effect), hir_id, method_span, diag); } /// Result of `TyCtxt::eval_stability`. @@ -352,28 +389,9 @@ impl<'tcx> TyCtxt<'tcx> { // Calculating message for lint involves calling `self.def_path_str`. // Which by default to calculate visible path will invoke expensive `visible_parent_map` query. // So we skip message calculation altogether, if lint is allowed. - let is_in_effect = depr_attr.is_in_effect(); - let lint = deprecation_lint(is_in_effect); + let lint = deprecation_lint(depr_attr.is_in_effect()); if self.lint_level_at_node(lint, id).0 != Level::Allow { - let def_path = with_no_trimmed_paths!(self.def_path_str(def_id)); - let def_kind = self.def_descr(def_id); - - late_report_deprecation( - self, - deprecation_message( - is_in_effect, - depr_attr.since, - depr_attr.note, - def_kind, - &def_path, - ), - depr_attr.suggestion, - lint, - span, - method_span, - id, - def_id, - ); + late_report_deprecation(self, depr_attr, span, method_span, id, def_id); } } }; diff --git a/compiler/rustc_resolve/src/macros.rs b/compiler/rustc_resolve/src/macros.rs index 0e0e6ffc136d..63461d5744b1 100644 --- a/compiler/rustc_resolve/src/macros.rs +++ b/compiler/rustc_resolve/src/macros.rs @@ -852,14 +852,12 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { } if let Some(depr) = &ext.deprecation { let path = pprust::path_to_string(path); - let (message, lint) = stability::deprecation_message_and_lint(depr, "macro", &path); - stability::early_report_deprecation( + stability::early_report_macro_deprecation( &mut self.lint_buffer, - message, - depr.suggestion, - lint, + depr, span, node_id, + path, ); } } From b7abf014ec85e362c10bd7dc222a1a71968bc427 Mon Sep 17 00:00:00 2001 From: Xiretza Date: Sun, 14 Apr 2024 20:11:14 +0000 Subject: [PATCH 0377/1716] Convert uses of BuiltinLintDiag::Normal to custom variants This ensures all diagnostic messages are created at diagnostic emission time, making them translatable. --- compiler/rustc_builtin_macros/messages.ftl | 2 - compiler/rustc_builtin_macros/src/asm.rs | 9 +- .../rustc_builtin_macros/src/source_util.rs | 5 +- .../rustc_builtin_macros/src/test_harness.rs | 5 +- compiler/rustc_builtin_macros/src/util.rs | 6 +- compiler/rustc_expand/src/config.rs | 15 +- compiler/rustc_expand/src/mbe/macro_check.rs | 26 ++-- compiler/rustc_interface/src/util.rs | 27 +--- compiler/rustc_lint/messages.ftl | 14 ++ .../rustc_lint/src/context/diagnostics.rs | 137 ++++++++++++++++-- compiler/rustc_lint_defs/src/lib.rs | 56 +++++-- compiler/rustc_metadata/messages.ftl | 2 - compiler/rustc_metadata/src/creader.rs | 25 ++-- compiler/rustc_parse/src/validate_attr.rs | 32 ++-- compiler/rustc_resolve/src/check_unused.rs | 15 +- compiler/rustc_resolve/src/imports.rs | 9 +- compiler/rustc_resolve/src/late.rs | 9 +- compiler/rustc_resolve/src/lib.rs | 10 +- compiler/rustc_resolve/src/macros.rs | 47 +++--- compiler/rustc_session/src/parse.rs | 17 --- 20 files changed, 295 insertions(+), 173 deletions(-) diff --git a/compiler/rustc_builtin_macros/messages.ftl b/compiler/rustc_builtin_macros/messages.ftl index 0f1589903193..a3d6a1c73607 100644 --- a/compiler/rustc_builtin_macros/messages.ftl +++ b/compiler/rustc_builtin_macros/messages.ftl @@ -247,5 +247,3 @@ builtin_macros_unexpected_lit = expected path to a trait, found literal .label = not a trait .str_lit = try using `#[derive({$sym})]` .other = for example, write `#[derive(Debug)]` for `Debug` - -builtin_macros_unnameable_test_items = cannot test inner items diff --git a/compiler/rustc_builtin_macros/src/asm.rs b/compiler/rustc_builtin_macros/src/asm.rs index 49b1b8cf9926..bf2a5813af60 100644 --- a/compiler/rustc_builtin_macros/src/asm.rs +++ b/compiler/rustc_builtin_macros/src/asm.rs @@ -1,6 +1,7 @@ use crate::errors; use crate::util::expr_to_spanned_string; use ast::token::IdentIsRaw; +use lint::BuiltinLintDiag; use rustc_ast as ast; use rustc_ast::ptr::P; use rustc_ast::token::{self, Delimiter}; @@ -509,19 +510,19 @@ fn expand_preparsed_asm( }; if template_str.contains(".intel_syntax") { - ecx.psess().buffer_lint( + ecx.psess().buffer_lint_with_diagnostic( lint::builtin::BAD_ASM_STYLE, find_span(".intel_syntax"), ecx.current_expansion.lint_node_id, - "avoid using `.intel_syntax`, Intel syntax is the default", + BuiltinLintDiag::AvoidUsingIntelSyntax, ); } if template_str.contains(".att_syntax") { - ecx.psess().buffer_lint( + ecx.psess().buffer_lint_with_diagnostic( lint::builtin::BAD_ASM_STYLE, find_span(".att_syntax"), ecx.current_expansion.lint_node_id, - "avoid using `.att_syntax`, prefer using `options(att_syntax)` instead", + BuiltinLintDiag::AvoidUsingAttSyntax, ); } } diff --git a/compiler/rustc_builtin_macros/src/source_util.rs b/compiler/rustc_builtin_macros/src/source_util.rs index 47b2ee975ca8..15d2546ba866 100644 --- a/compiler/rustc_builtin_macros/src/source_util.rs +++ b/compiler/rustc_builtin_macros/src/source_util.rs @@ -11,6 +11,7 @@ use rustc_expand::base::{ resolve_path, DummyResult, ExpandResult, ExtCtxt, MacEager, MacResult, MacroExpanderResult, }; use rustc_expand::module::DirOwnership; +use rustc_lint_defs::BuiltinLintDiag; use rustc_parse::new_parser_from_file; use rustc_parse::parser::{ForceCollect, Parser}; use rustc_session::lint::builtin::INCOMPLETE_INCLUDE; @@ -143,11 +144,11 @@ pub(crate) fn expand_include<'cx>( fn make_expr(mut self: Box>) -> Option> { let expr = parse_expr(&mut self.p).ok()?; if self.p.token != token::Eof { - self.p.psess.buffer_lint( + self.p.psess.buffer_lint_with_diagnostic( INCOMPLETE_INCLUDE, self.p.token.span, self.node_id, - "include macro expected single expression in source", + BuiltinLintDiag::IncompleteInclude, ); } Some(expr) diff --git a/compiler/rustc_builtin_macros/src/test_harness.rs b/compiler/rustc_builtin_macros/src/test_harness.rs index 8cf431482ff7..f6c35a75228a 100644 --- a/compiler/rustc_builtin_macros/src/test_harness.rs +++ b/compiler/rustc_builtin_macros/src/test_harness.rs @@ -9,6 +9,7 @@ use rustc_ast::{attr, ModKind}; use rustc_expand::base::{ExtCtxt, ResolverExpand}; use rustc_expand::expand::{AstFragment, ExpansionConfig}; use rustc_feature::Features; +use rustc_lint_defs::BuiltinLintDiag; use rustc_session::lint::builtin::UNNAMEABLE_TEST_ITEMS; use rustc_session::Session; use rustc_span::hygiene::{AstPass, SyntaxContext, Transparency}; @@ -159,11 +160,11 @@ struct InnerItemLinter<'a> { impl<'a> Visitor<'a> for InnerItemLinter<'_> { fn visit_item(&mut self, i: &'a ast::Item) { if let Some(attr) = attr::find_by_name(&i.attrs, sym::rustc_test_marker) { - self.sess.psess.buffer_lint( + self.sess.psess.buffer_lint_with_diagnostic( UNNAMEABLE_TEST_ITEMS, attr.span, i.id, - crate::fluent_generated::builtin_macros_unnameable_test_items, + BuiltinLintDiag::UnnameableTestItems, ); } } diff --git a/compiler/rustc_builtin_macros/src/util.rs b/compiler/rustc_builtin_macros/src/util.rs index 8dc7bc14ec3e..f08238ad4606 100644 --- a/compiler/rustc_builtin_macros/src/util.rs +++ b/compiler/rustc_builtin_macros/src/util.rs @@ -5,7 +5,7 @@ use rustc_errors::{Applicability, Diag, ErrorGuaranteed}; use rustc_expand::base::{Annotatable, ExpandResult, ExtCtxt}; use rustc_expand::expand::AstFragment; use rustc_feature::AttributeTemplate; -use rustc_lint_defs::builtin::DUPLICATE_MACRO_ATTRIBUTES; +use rustc_lint_defs::{builtin::DUPLICATE_MACRO_ATTRIBUTES, BuiltinLintDiag}; use rustc_parse::{parser, validate_attr}; use rustc_session::errors::report_lit_error; use rustc_span::{BytePos, Span, Symbol}; @@ -42,11 +42,11 @@ pub(crate) fn warn_on_duplicate_attribute(ecx: &ExtCtxt<'_>, item: &Annotatable, }; if let Some(attrs) = attrs { if let Some(attr) = attr::find_by_name(attrs, name) { - ecx.psess().buffer_lint( + ecx.psess().buffer_lint_with_diagnostic( DUPLICATE_MACRO_ATTRIBUTES, attr.span, ecx.current_expansion.lint_node_id, - "duplicated attribute", + BuiltinLintDiag::DuplicateMacroAttribute, ); } } diff --git a/compiler/rustc_expand/src/config.rs b/compiler/rustc_expand/src/config.rs index 35f0d8abffc5..45d87d5e5a5e 100644 --- a/compiler/rustc_expand/src/config.rs +++ b/compiler/rustc_expand/src/config.rs @@ -14,6 +14,7 @@ use rustc_attr as attr; use rustc_data_structures::flat_map_in_place::FlatMapInPlace; use rustc_feature::Features; use rustc_feature::{ACCEPTED_FEATURES, REMOVED_FEATURES, UNSTABLE_FEATURES}; +use rustc_lint_defs::BuiltinLintDiag; use rustc_parse::validate_attr; use rustc_session::parse::feature_err; use rustc_session::Session; @@ -248,7 +249,6 @@ impl<'a> StripUnconfigured<'a> { /// Gives a compiler warning when the `cfg_attr` contains no attributes and /// is in the original source file. Gives a compiler error if the syntax of /// the attribute is incorrect. - #[allow(rustc::untranslatable_diagnostic)] // FIXME: make this translatable pub(crate) fn expand_cfg_attr(&self, attr: &Attribute, recursive: bool) -> Vec { let Some((cfg_predicate, expanded_attrs)) = rustc_parse::parse_cfg_attr(attr, &self.sess.psess) @@ -258,11 +258,11 @@ impl<'a> StripUnconfigured<'a> { // Lint on zero attributes in source. if expanded_attrs.is_empty() { - self.sess.psess.buffer_lint( + self.sess.psess.buffer_lint_with_diagnostic( rustc_lint_defs::builtin::UNUSED_ATTRIBUTES, attr.span, ast::CRATE_NODE_ID, - "`#[cfg_attr]` does not expand to any attributes", + BuiltinLintDiag::CfgAttrNoAttributes, ); } @@ -283,7 +283,6 @@ impl<'a> StripUnconfigured<'a> { } } - #[allow(rustc::untranslatable_diagnostic)] // FIXME: make this translatable fn expand_cfg_attr_item( &self, attr: &Attribute, @@ -342,19 +341,19 @@ impl<'a> StripUnconfigured<'a> { item_span, ); if attr.has_name(sym::crate_type) { - self.sess.psess.buffer_lint( + self.sess.psess.buffer_lint_with_diagnostic( rustc_lint_defs::builtin::DEPRECATED_CFG_ATTR_CRATE_TYPE_NAME, attr.span, ast::CRATE_NODE_ID, - "`crate_type` within an `#![cfg_attr] attribute is deprecated`", + BuiltinLintDiag::CrateTypeInCfgAttr, ); } if attr.has_name(sym::crate_name) { - self.sess.psess.buffer_lint( + self.sess.psess.buffer_lint_with_diagnostic( rustc_lint_defs::builtin::DEPRECATED_CFG_ATTR_CRATE_TYPE_NAME, attr.span, ast::CRATE_NODE_ID, - "`crate_name` within an `#![cfg_attr] attribute is deprecated`", + BuiltinLintDiag::CrateNameInCfgAttr, ); } attr diff --git a/compiler/rustc_expand/src/mbe/macro_check.rs b/compiler/rustc_expand/src/mbe/macro_check.rs index dce8e0c36edf..63eeefa314c3 100644 --- a/compiler/rustc_expand/src/mbe/macro_check.rs +++ b/compiler/rustc_expand/src/mbe/macro_check.rs @@ -110,7 +110,8 @@ use crate::mbe::{KleeneToken, TokenTree}; use rustc_ast::token::{Delimiter, IdentIsRaw, Token, TokenKind}; use rustc_ast::{NodeId, DUMMY_NODE_ID}; use rustc_data_structures::fx::FxHashMap; -use rustc_errors::{DiagMessage, MultiSpan}; +use rustc_errors::MultiSpan; +use rustc_lint_defs::BuiltinLintDiag; use rustc_session::lint::builtin::{META_VARIABLE_MISUSE, MISSING_FRAGMENT_SPECIFIER}; use rustc_session::parse::ParseSess; use rustc_span::symbol::kw; @@ -252,7 +253,7 @@ fn check_binders( // 1. The meta-variable is already bound in the current LHS: This is an error. let mut span = MultiSpan::from_span(span); span.push_span_label(prev_info.span, "previous declaration"); - buffer_lint(psess, span, node_id, "duplicate matcher binding"); + buffer_lint(psess, span, node_id, BuiltinLintDiag::DuplicateMatcherBinding); } else if get_binder_info(macros, binders, name).is_none() { // 2. The meta-variable is free: This is a binder. binders.insert(name, BinderInfo { span, ops: ops.into() }); @@ -267,11 +268,11 @@ fn check_binders( // FIXME: Report this as a hard error eventually and remove equivalent errors from // `parse_tt_inner` and `nameize`. Until then the error may be reported twice, once // as a hard error and then once as a buffered lint. - psess.buffer_lint( + psess.buffer_lint_with_diagnostic( MISSING_FRAGMENT_SPECIFIER, span, node_id, - "missing fragment specifier", + BuiltinLintDiag::MissingFragmentSpecifier, ); } if !macros.is_empty() { @@ -595,7 +596,7 @@ fn check_ops_is_prefix( return; } } - buffer_lint(psess, span.into(), node_id, format!("unknown macro variable `{name}`")); + buffer_lint(psess, span.into(), node_id, BuiltinLintDiag::UnknownMacroVariable(name)); } /// Returns whether `binder_ops` is a prefix of `occurrence_ops`. @@ -628,8 +629,7 @@ fn ops_is_prefix( if i >= occurrence_ops.len() { let mut span = MultiSpan::from_span(span); span.push_span_label(binder.span, "expected repetition"); - let message = format!("variable '{name}' is still repeating at this depth"); - buffer_lint(psess, span, node_id, message); + buffer_lint(psess, span, node_id, BuiltinLintDiag::MetaVariableStillRepeating(name)); return; } let occurrence = &occurrence_ops[i]; @@ -637,21 +637,15 @@ fn ops_is_prefix( let mut span = MultiSpan::from_span(span); span.push_span_label(binder.span, "expected repetition"); span.push_span_label(occurrence.span, "conflicting repetition"); - let message = "meta-variable repeats with different Kleene operator"; - buffer_lint(psess, span, node_id, message); + buffer_lint(psess, span, node_id, BuiltinLintDiag::MetaVariableWrongOperator); return; } } } -fn buffer_lint( - psess: &ParseSess, - span: MultiSpan, - node_id: NodeId, - message: impl Into, -) { +fn buffer_lint(psess: &ParseSess, span: MultiSpan, node_id: NodeId, diag: BuiltinLintDiag) { // Macros loaded from other crates have dummy node ids. if node_id != DUMMY_NODE_ID { - psess.buffer_lint(META_VARIABLE_MISUSE, span, node_id, message); + psess.buffer_lint_with_diagnostic(META_VARIABLE_MISUSE, span, node_id, diag); } } diff --git a/compiler/rustc_interface/src/util.rs b/compiler/rustc_interface/src/util.rs index de7005a541be..cb25bcac3685 100644 --- a/compiler/rustc_interface/src/util.rs +++ b/compiler/rustc_interface/src/util.rs @@ -399,30 +399,17 @@ pub(crate) fn check_attr_crate_type( if let ast::MetaItemKind::NameValue(spanned) = a.meta_kind().unwrap() { let span = spanned.span; - let lev_candidate = find_best_match_for_name( + let candidate = find_best_match_for_name( &CRATE_TYPES.iter().map(|(k, _)| *k).collect::>(), n, None, ); - if let Some(candidate) = lev_candidate { - lint_buffer.buffer_lint_with_diagnostic( - lint::builtin::UNKNOWN_CRATE_TYPES, - ast::CRATE_NODE_ID, - span, - BuiltinLintDiag::UnknownCrateTypes( - span, - "did you mean".to_string(), - format!("\"{candidate}\""), - ), - ); - } else { - lint_buffer.buffer_lint( - lint::builtin::UNKNOWN_CRATE_TYPES, - ast::CRATE_NODE_ID, - span, - "invalid `crate_type` value", - ); - } + lint_buffer.buffer_lint_with_diagnostic( + lint::builtin::UNKNOWN_CRATE_TYPES, + ast::CRATE_NODE_ID, + span, + BuiltinLintDiag::UnknownCrateTypes { span, candidate }, + ); } } else { // This is here mainly to check for using a macro, such as diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index e1b0aec6c96e..7abba3bb5c4f 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -156,6 +156,9 @@ lint_builtin_unused_doc_comment = unused doc comment lint_builtin_while_true = denote infinite loops with `loop {"{"} ... {"}"}` .suggestion = use `loop` +lint_cfg_attr_no_attributes = + `#[cfg_attr]` does not expand to any attributes + lint_check_name_unknown_tool = unknown lint tool: `{$tool_name}` lint_command_line_source = `forbid` lint level was set on command line @@ -164,6 +167,12 @@ lint_confusable_identifier_pair = found both `{$existing_sym}` and `{$sym}` as i .current_use = this identifier can be confused with `{$existing_sym}` .other_use = other identifier used here +lint_crate_name_in_cfg_attr_deprecated = + `crate_name` within an `#![cfg_attr] attribute is deprecated` + +lint_crate_type_in_cfg_attr_deprecated = + `crate_type` within an `#![cfg_attr] attribute is deprecated` + lint_cstring_ptr = getting the inner pointer of a temporary `CString` .as_ptr_label = this pointer will be invalid .unwrap_label = this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime @@ -662,6 +671,8 @@ lint_unknown_lint = lint_unknown_tool_in_scoped_lint = unknown tool name `{$tool_name}` found in scoped lint: `{$tool_name}::{$lint_name}` .help = add `#![register_tool({$tool_name})]` to the crate root +lint_unnameable_test_items = cannot test inner items + lint_unsupported_group = `{$lint_group}` lint group is not supported with ´--force-warn´ lint_untranslatable_diag = diagnostics should be created using translatable messages @@ -701,3 +712,6 @@ lint_unused_result = unused result of type `{$ty}` lint_variant_size_differences = enum variant is more than three times larger ({$largest} bytes) than the next largest + +lint_wasm_c_abi = + older versions of the `wasm-bindgen` crate will be incompatible with future versions of Rust; please update to `wasm-bindgen` v0.2.88 diff --git a/compiler/rustc_lint/src/context/diagnostics.rs b/compiler/rustc_lint/src/context/diagnostics.rs index 70aa14a565d1..f298ed98d980 100644 --- a/compiler/rustc_lint/src/context/diagnostics.rs +++ b/compiler/rustc_lint/src/context/diagnostics.rs @@ -11,8 +11,13 @@ use rustc_session::lint::BuiltinLintDiag; use rustc_session::Session; use rustc_span::BytePos; +use std::fmt::Write; + mod check_cfg; +#[cfg(test)] +mod tests; + pub(super) fn builtin(sess: &Session, diagnostic: BuiltinLintDiag, diag: &mut Diag<'_, ()>) { match diagnostic { BuiltinLintDiag::UnicodeTextFlow(span, content) => { @@ -52,7 +57,6 @@ pub(super) fn builtin(sess: &Session, diagnostic: BuiltinLintDiag, diag: &mut Di ); } } - BuiltinLintDiag::Normal(_) => (), BuiltinLintDiag::AbsPathWithModule(span) => { let (sugg, app) = match sess.source_map().span_to_snippet(span) { Ok(ref s) => { @@ -87,8 +91,15 @@ pub(super) fn builtin(sess: &Session, diagnostic: BuiltinLintDiag, diag: &mut Di ), ); } - BuiltinLintDiag::UnknownCrateTypes(span, note, sugg) => { - diag.span_suggestion(span, note, sugg, Applicability::MaybeIncorrect); + BuiltinLintDiag::UnknownCrateTypes { span, candidate } => { + if let Some(candidate) = candidate { + diag.span_suggestion( + span, + "did you mean", + format!(r#""{candidate}""#), + Applicability::MaybeIncorrect, + ); + } } BuiltinLintDiag::UnusedImports { fix_msg, fixes, test_module_span, .. } => { if !fixes.is_empty() { @@ -361,20 +372,46 @@ pub(super) fn builtin(sess: &Session, diagnostic: BuiltinLintDiag, diag: &mut Di "reduce the glob import's visibility or increase visibility of imported items", ); } - BuiltinLintDiag::MaybeTypo { span, name } => { - diag.span_suggestion_verbose( - span, - "an attribute with a similar name exists", - name, - Applicability::MachineApplicable, - ); + BuiltinLintDiag::UnknownDiagnosticAttribute { span, typo_name } => { + if let Some(typo_name) = typo_name { + diag.span_suggestion_verbose( + span, + "an attribute with a similar name exists", + typo_name, + Applicability::MachineApplicable, + ); + } } + BuiltinLintDiag::MacroUseDeprecated + | BuiltinLintDiag::UnusedMacroUse + | BuiltinLintDiag::PrivateExternCrateReexport(_) + | BuiltinLintDiag::UnusedLabel + | BuiltinLintDiag::MacroIsPrivate(_) + | BuiltinLintDiag::UnusedMacroDefinition(_) + | BuiltinLintDiag::MacroRuleNeverUsed(_, _) + | BuiltinLintDiag::UnstableFeature(_) + | BuiltinLintDiag::AvoidUsingIntelSyntax + | BuiltinLintDiag::AvoidUsingAttSyntax + | BuiltinLintDiag::IncompleteInclude + | BuiltinLintDiag::UnnameableTestItems + | BuiltinLintDiag::DuplicateMacroAttribute + | BuiltinLintDiag::CfgAttrNoAttributes + | BuiltinLintDiag::CrateTypeInCfgAttr + | BuiltinLintDiag::CrateNameInCfgAttr + | BuiltinLintDiag::MissingFragmentSpecifier + | BuiltinLintDiag::MetaVariableStillRepeating(_) + | BuiltinLintDiag::MetaVariableWrongOperator + | BuiltinLintDiag::DuplicateMatcherBinding + | BuiltinLintDiag::UnknownMacroVariable(_) + | BuiltinLintDiag::UnusedExternCrate2 { .. } + | BuiltinLintDiag::WasmCAbi + | BuiltinLintDiag::IllFormedAttributeInput { .. } + | BuiltinLintDiag::InnerAttributeUnstable { .. } => {} } } pub(super) fn builtin_message(diagnostic: &BuiltinLintDiag) -> DiagMessage { match diagnostic { - BuiltinLintDiag::Normal(msg) => msg.clone(), BuiltinLintDiag::AbsPathWithModule(_) => { "absolute paths must start with `self`, `super`, `crate`, or an \ external crate name in the 2018 edition" @@ -391,7 +428,7 @@ pub(super) fn builtin_message(diagnostic: &BuiltinLintDiag) -> DiagMessage { BuiltinLintDiag::ElidedLifetimesInPaths(_, _, _, _) => { "hidden lifetime parameters in types are deprecated".into() } - BuiltinLintDiag::UnknownCrateTypes(_, _, _) => "invalid `crate_type` value".into(), + BuiltinLintDiag::UnknownCrateTypes { .. } => "invalid `crate_type` value".into(), BuiltinLintDiag::UnusedImports { span_snippets, .. } => format!( "unused import{}{}", pluralize!(span_snippets.len()), @@ -490,5 +527,81 @@ pub(super) fn builtin_message(diagnostic: &BuiltinLintDiag) -> DiagMessage { import_vis ) .into(), + BuiltinLintDiag::MacroUseDeprecated => "deprecated `#[macro_use]` attribute used to \ + import macros should be replaced at use sites \ + with a `use` item to import the macro \ + instead" + .into(), + BuiltinLintDiag::UnusedMacroUse => "unused `#[macro_use]` import".into(), + BuiltinLintDiag::PrivateExternCrateReexport(ident) => format!( + "extern crate `{ident}` is private, and cannot be \ + re-exported (error E0365), consider declaring with \ + `pub`" + ) + .into(), + BuiltinLintDiag::UnusedLabel => "unused label".into(), + BuiltinLintDiag::MacroIsPrivate(ident) => format!("macro `{ident}` is private").into(), + BuiltinLintDiag::UnusedMacroDefinition(name) => { + format!("unused macro definition: `{}`", name).into() + } + BuiltinLintDiag::MacroRuleNeverUsed(n, name) => { + format!("rule #{} of macro `{}` is never used", n + 1, name).into() + } + BuiltinLintDiag::UnstableFeature(msg) => msg.clone().into(), + BuiltinLintDiag::AvoidUsingIntelSyntax => { + "avoid using `.intel_syntax`, Intel syntax is the default".into() + } + BuiltinLintDiag::AvoidUsingAttSyntax => { + "avoid using `.att_syntax`, prefer using `options(att_syntax)` instead".into() + } + BuiltinLintDiag::IncompleteInclude => { + "include macro expected single expression in source".into() + } + BuiltinLintDiag::UnnameableTestItems => crate::fluent_generated::lint_unnameable_test_items, + BuiltinLintDiag::DuplicateMacroAttribute => "duplicated attribute".into(), + BuiltinLintDiag::CfgAttrNoAttributes => { + crate::fluent_generated::lint_cfg_attr_no_attributes + } + BuiltinLintDiag::CrateTypeInCfgAttr => { + crate::fluent_generated::lint_crate_type_in_cfg_attr_deprecated + } + BuiltinLintDiag::CrateNameInCfgAttr => { + crate::fluent_generated::lint_crate_name_in_cfg_attr_deprecated + } + BuiltinLintDiag::MissingFragmentSpecifier => "missing fragment specifier".into(), + BuiltinLintDiag::MetaVariableStillRepeating(name) => { + format!("variable '{name}' is still repeating at this depth").into() + } + BuiltinLintDiag::MetaVariableWrongOperator => { + "meta-variable repeats with different Kleene operator".into() + } + BuiltinLintDiag::DuplicateMatcherBinding => "duplicate matcher binding".into(), + BuiltinLintDiag::UnknownMacroVariable(name) => { + format!("unknown macro variable `{name}`").into() + } + BuiltinLintDiag::UnusedExternCrate2 { extern_crate, local_crate } => format!( + "external crate `{}` unused in `{}`: remove the dependency or add `use {} as _;`", + extern_crate, local_crate, extern_crate + ) + .into(), + BuiltinLintDiag::WasmCAbi => crate::fluent_generated::lint_wasm_c_abi, + BuiltinLintDiag::IllFormedAttributeInput { suggestions } => suggestions + .iter() + .enumerate() + .fold("attribute must be of the form ".to_string(), |mut acc, (i, sugg)| { + if i != 0 { + write!(acc, " or ").unwrap(); + } + write!(acc, "`{sugg}`").unwrap(); + acc + }) + .into(), + BuiltinLintDiag::InnerAttributeUnstable { is_macro } => if *is_macro { + "inner macro attributes are unstable" + } else { + "custom inner attributes are unstable" + } + .into(), + BuiltinLintDiag::UnknownDiagnosticAttribute { .. } => "unknown diagnostic attribute".into(), } } diff --git a/compiler/rustc_lint_defs/src/lib.rs b/compiler/rustc_lint_defs/src/lib.rs index 53238ed96299..4dacafaaea69 100644 --- a/compiler/rustc_lint_defs/src/lib.rs +++ b/compiler/rustc_lint_defs/src/lib.rs @@ -5,12 +5,13 @@ use rustc_data_structures::fx::{FxIndexMap, FxIndexSet}; use rustc_data_structures::stable_hasher::{ HashStable, StableCompare, StableHasher, ToStableHashKey, }; -use rustc_error_messages::{DiagMessage, MultiSpan}; +use rustc_error_messages::MultiSpan; use rustc_hir::def::Namespace; use rustc_hir::HashStableContext; use rustc_hir::HirId; use rustc_macros::{Decodable, Encodable, HashStable_Generic}; use rustc_span::edition::Edition; +use rustc_span::symbol::MacroRulesNormalizedIdent; use rustc_span::{sym, symbol::Ident, Span, Symbol}; use rustc_target::spec::abi::Abi; @@ -577,7 +578,6 @@ pub enum DeprecatedSinceKind { // becomes hacky (and it gets allocated). #[derive(Debug)] pub enum BuiltinLintDiag { - Normal(DiagMessage), AbsPathWithModule(Span), ProcMacroDeriveResolutionFallback { span: Span, @@ -586,7 +586,10 @@ pub enum BuiltinLintDiag { }, MacroExpandedMacroExportsAccessedByAbsolutePaths(Span), ElidedLifetimesInPaths(usize, Span, bool, Span), - UnknownCrateTypes(Span, String, String), + UnknownCrateTypes { + span: Span, + candidate: Option, + }, UnusedImports { fix_msg: String, fixes: Vec<(Span, String)>, @@ -694,9 +697,42 @@ pub enum BuiltinLintDiag { max_vis: String, import_vis: String, }, - MaybeTypo { + UnknownDiagnosticAttribute { span: Span, - name: Symbol, + typo_name: Option, + }, + MacroUseDeprecated, + UnusedMacroUse, + PrivateExternCrateReexport(Ident), + UnusedLabel, + MacroIsPrivate(Ident), + UnusedMacroDefinition(Symbol), + MacroRuleNeverUsed(usize, Symbol), + UnstableFeature(String), + AvoidUsingIntelSyntax, + AvoidUsingAttSyntax, + IncompleteInclude, + UnnameableTestItems, + DuplicateMacroAttribute, + CfgAttrNoAttributes, + CrateTypeInCfgAttr, + CrateNameInCfgAttr, + MissingFragmentSpecifier, + MetaVariableStillRepeating(MacroRulesNormalizedIdent), + MetaVariableWrongOperator, + DuplicateMatcherBinding, + UnknownMacroVariable(MacroRulesNormalizedIdent), + // FIXME: combine with UnusedExternCrate? + UnusedExternCrate2 { + extern_crate: Symbol, + local_crate: Symbol, + }, + WasmCAbi, + IllFormedAttributeInput { + suggestions: Vec, + }, + InnerAttributeUnstable { + is_macro: bool, }, } @@ -745,16 +781,6 @@ impl LintBuffer { self.map.swap_remove(&id).unwrap_or_default() } - pub fn buffer_lint( - &mut self, - lint: &'static Lint, - id: NodeId, - sp: impl Into, - msg: impl Into, - ) { - self.add_lint(lint, id, sp.into(), BuiltinLintDiag::Normal(msg.into())) - } - pub fn buffer_lint_with_diagnostic( &mut self, lint: &'static Lint, diff --git a/compiler/rustc_metadata/messages.ftl b/compiler/rustc_metadata/messages.ftl index 3d0846ae6dea..2f5dfad265c8 100644 --- a/compiler/rustc_metadata/messages.ftl +++ b/compiler/rustc_metadata/messages.ftl @@ -284,8 +284,6 @@ metadata_unsupported_abi = metadata_unsupported_abi_i686 = ABI not supported by `#[link(kind = "raw-dylib")]` on i686 -metadata_wasm_c_abi = - older versions of the `wasm-bindgen` crate will be incompatible with future versions of Rust; please update to `wasm-bindgen` v0.2.88 metadata_wasm_import_form = wasm import module must be of the form `wasm_import_module = "string"` diff --git a/compiler/rustc_metadata/src/creader.rs b/compiler/rustc_metadata/src/creader.rs index e3205fc1d30e..394222cdb357 100644 --- a/compiler/rustc_metadata/src/creader.rs +++ b/compiler/rustc_metadata/src/creader.rs @@ -20,7 +20,7 @@ use rustc_middle::bug; use rustc_middle::ty::{TyCtxt, TyCtxtFeed}; use rustc_session::config::{self, CrateType, ExternLocation}; use rustc_session::cstore::{CrateDepKind, CrateSource, ExternCrate, ExternCrateSource}; -use rustc_session::lint; +use rustc_session::lint::{self, BuiltinLintDiag}; use rustc_session::output::validate_crate_name; use rustc_session::search_paths::PathKind; use rustc_span::edition::Edition; @@ -974,16 +974,15 @@ impl<'a, 'tcx> CrateLoader<'a, 'tcx> { continue; } - self.sess.psess.buffer_lint( - lint::builtin::UNUSED_CRATE_DEPENDENCIES, - span, - ast::CRATE_NODE_ID, - format!( - "external crate `{}` unused in `{}`: remove the dependency or add `use {} as _;`", - name, - self.tcx.crate_name(LOCAL_CRATE), - name), - ); + self.sess.psess.buffer_lint_with_diagnostic( + lint::builtin::UNUSED_CRATE_DEPENDENCIES, + span, + ast::CRATE_NODE_ID, + BuiltinLintDiag::UnusedExternCrate2 { + extern_crate: name_interned, + local_crate: self.tcx.crate_name(LOCAL_CRATE), + }, + ); } } @@ -1016,11 +1015,11 @@ impl<'a, 'tcx> CrateLoader<'a, 'tcx> { // Make a point span rather than covering the whole file let span = krate.spans.inner_span.shrink_to_lo(); - self.sess.psess.buffer_lint( + self.sess.psess.buffer_lint_with_diagnostic( lint::builtin::WASM_C_ABI, span, ast::CRATE_NODE_ID, - crate::fluent_generated::metadata_wasm_c_abi, + BuiltinLintDiag::WasmCAbi, ); } } diff --git a/compiler/rustc_parse/src/validate_attr.rs b/compiler/rustc_parse/src/validate_attr.rs index f88edf29dceb..3cfc68507d5a 100644 --- a/compiler/rustc_parse/src/validate_attr.rs +++ b/compiler/rustc_parse/src/validate_attr.rs @@ -10,6 +10,7 @@ use rustc_errors::{Applicability, FatalError, PResult}; use rustc_feature::{AttributeTemplate, BuiltinAttribute, BUILTIN_ATTRIBUTE_MAP}; use rustc_session::errors::report_lit_error; use rustc_session::lint::builtin::ILL_FORMED_ATTRIBUTE_INPUT; +use rustc_session::lint::BuiltinLintDiag; use rustc_session::parse::ParseSess; use rustc_span::{sym, Span, Symbol}; @@ -176,37 +177,26 @@ fn emit_malformed_attribute( }; let error_msg = format!("malformed `{name}` attribute input"); - let mut msg = "attribute must be of the form ".to_owned(); let mut suggestions = vec![]; - let mut first = true; let inner = if style == ast::AttrStyle::Inner { "!" } else { "" }; if template.word { - first = false; - let code = format!("#{inner}[{name}]"); - msg.push_str(&format!("`{code}`")); - suggestions.push(code); + suggestions.push(format!("#{inner}[{name}]")); } if let Some(descr) = template.list { - if !first { - msg.push_str(" or "); - } - first = false; - let code = format!("#{inner}[{name}({descr})]"); - msg.push_str(&format!("`{code}`")); - suggestions.push(code); + suggestions.push(format!("#{inner}[{name}({descr})]")); } if let Some(descr) = template.name_value_str { - if !first { - msg.push_str(" or "); - } - let code = format!("#{inner}[{name} = \"{descr}\"]"); - msg.push_str(&format!("`{code}`")); - suggestions.push(code); + suggestions.push(format!("#{inner}[{name} = \"{descr}\"]")); } - suggestions.sort(); if should_warn(name) { - psess.buffer_lint(ILL_FORMED_ATTRIBUTE_INPUT, span, ast::CRATE_NODE_ID, msg); + psess.buffer_lint_with_diagnostic( + ILL_FORMED_ATTRIBUTE_INPUT, + span, + ast::CRATE_NODE_ID, + BuiltinLintDiag::IllFormedAttributeInput { suggestions: suggestions.clone() }, + ); } else { + suggestions.sort(); psess .dcx .struct_span_err(span, error_msg) diff --git a/compiler/rustc_resolve/src/check_unused.rs b/compiler/rustc_resolve/src/check_unused.rs index 2a8eb940ccf5..55b2d91260e9 100644 --- a/compiler/rustc_resolve/src/check_unused.rs +++ b/compiler/rustc_resolve/src/check_unused.rs @@ -388,14 +388,11 @@ impl Resolver<'_, '_> { { if let ImportKind::MacroUse { .. } = import.kind { if !import.span.is_dummy() { - self.lint_buffer.buffer_lint( + self.lint_buffer.buffer_lint_with_diagnostic( MACRO_USE_EXTERN_CRATE, import.root_id, import.span, - "deprecated `#[macro_use]` attribute used to \ - import macros should be replaced at use sites \ - with a `use` item to import the macro \ - instead", + BuiltinLintDiag::MacroUseDeprecated, ); } } @@ -412,8 +409,12 @@ impl Resolver<'_, '_> { } } ImportKind::MacroUse { .. } => { - let msg = "unused `#[macro_use]` import"; - self.lint_buffer.buffer_lint(UNUSED_IMPORTS, import.root_id, import.span, msg); + self.lint_buffer.buffer_lint_with_diagnostic( + UNUSED_IMPORTS, + import.root_id, + import.span, + BuiltinLintDiag::UnusedMacroUse, + ); } _ => {} } diff --git a/compiler/rustc_resolve/src/imports.rs b/compiler/rustc_resolve/src/imports.rs index 55a0382a8e80..fb734895049c 100644 --- a/compiler/rustc_resolve/src/imports.rs +++ b/compiler/rustc_resolve/src/imports.rs @@ -1246,16 +1246,11 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { if !any_successful_reexport { let (ns, binding) = reexport_error.unwrap(); if pub_use_of_private_extern_crate_hack(import, binding) { - let msg = format!( - "extern crate `{ident}` is private, and cannot be \ - re-exported (error E0365), consider declaring with \ - `pub`" - ); - self.lint_buffer.buffer_lint( + self.lint_buffer.buffer_lint_with_diagnostic( PUB_USE_OF_PRIVATE_EXTERN_CRATE, import_id, import.span, - msg, + BuiltinLintDiag::PrivateExternCrateReexport(ident), ); } else { if ns == TypeNS { diff --git a/compiler/rustc_resolve/src/late.rs b/compiler/rustc_resolve/src/late.rs index 9442741b6cc5..359e96775f8d 100644 --- a/compiler/rustc_resolve/src/late.rs +++ b/compiler/rustc_resolve/src/late.rs @@ -24,7 +24,7 @@ use rustc_middle::middle::resolve_bound_vars::Set1; use rustc_middle::ty::DelegationFnSig; use rustc_middle::{bug, span_bug}; use rustc_session::config::{CrateType, ResolveDocLinks}; -use rustc_session::lint; +use rustc_session::lint::{self, BuiltinLintDiag}; use rustc_session::parse::feature_err; use rustc_span::source_map::{respan, Spanned}; use rustc_span::symbol::{kw, sym, Ident, Symbol}; @@ -4815,7 +4815,12 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { late_resolution_visitor.resolve_doc_links(&krate.attrs, MaybeExported::Ok(CRATE_NODE_ID)); visit::walk_crate(&mut late_resolution_visitor, krate); for (id, span) in late_resolution_visitor.diag_metadata.unused_labels.iter() { - self.lint_buffer.buffer_lint(lint::builtin::UNUSED_LABELS, *id, *span, "unused label"); + self.lint_buffer.buffer_lint_with_diagnostic( + lint::builtin::UNUSED_LABELS, + *id, + *span, + BuiltinLintDiag::UnusedLabel, + ); } } } diff --git a/compiler/rustc_resolve/src/lib.rs b/compiler/rustc_resolve/src/lib.rs index 01bcfec4bdc0..dda31f82d2fd 100644 --- a/compiler/rustc_resolve/src/lib.rs +++ b/compiler/rustc_resolve/src/lib.rs @@ -51,7 +51,7 @@ use rustc_middle::ty::{self, DelegationFnSig, Feed, MainDefinition, RegisteredTo use rustc_middle::ty::{ResolverGlobalCtxt, ResolverOutputs, TyCtxt, TyCtxtFeed}; use rustc_query_system::ich::StableHashingContext; use rustc_session::lint::builtin::PRIVATE_MACRO_USE; -use rustc_session::lint::LintBuffer; +use rustc_session::lint::{BuiltinLintDiag, LintBuffer}; use rustc_span::hygiene::{ExpnId, LocalExpnId, MacroKind, SyntaxContext, Transparency}; use rustc_span::symbol::{kw, sym, Ident, Symbol}; use rustc_span::{Span, DUMMY_SP}; @@ -1860,8 +1860,12 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { } if let NameBindingKind::Import { import, binding } = used_binding.kind { if let ImportKind::MacroUse { warn_private: true } = import.kind { - let msg = format!("macro `{ident}` is private"); - self.lint_buffer().buffer_lint(PRIVATE_MACRO_USE, import.root_id, ident.span, msg); + self.lint_buffer().buffer_lint_with_diagnostic( + PRIVATE_MACRO_USE, + import.root_id, + ident.span, + BuiltinLintDiag::MacroIsPrivate(ident), + ); } // Avoid marking `extern crate` items that refer to a name from extern prelude, // but not introduce it, as used if they are accessed from lexical scope. diff --git a/compiler/rustc_resolve/src/macros.rs b/compiler/rustc_resolve/src/macros.rs index 63461d5744b1..74f55d0a19ce 100644 --- a/compiler/rustc_resolve/src/macros.rs +++ b/compiler/rustc_resolve/src/macros.rs @@ -311,11 +311,11 @@ impl<'a, 'tcx> ResolverExpand for Resolver<'a, 'tcx> { fn check_unused_macros(&mut self) { for (_, &(node_id, ident)) in self.unused_macros.iter() { - self.lint_buffer.buffer_lint( + self.lint_buffer.buffer_lint_with_diagnostic( UNUSED_MACROS, node_id, ident.span, - format!("unused macro definition: `{}`", ident.name), + BuiltinLintDiag::UnusedMacroDefinition(ident.name), ); } for (&(def_id, arm_i), &(ident, rule_span)) in self.unused_macro_rules.iter() { @@ -324,11 +324,11 @@ impl<'a, 'tcx> ResolverExpand for Resolver<'a, 'tcx> { continue; } let node_id = self.def_id_to_node_id[def_id]; - self.lint_buffer.buffer_lint( + self.lint_buffer.buffer_lint_with_diagnostic( UNUSED_MACRO_RULES, node_id, rule_span, - format!("rule #{} of macro `{}` is never used", arm_i + 1, ident.name), + BuiltinLintDiag::MacroRuleNeverUsed(arm_i, ident.name), ); } } @@ -552,14 +552,25 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { // We are trying to avoid reporting this error if other related errors were reported. if res != Res::Err && inner_attr && !self.tcx.features().custom_inner_attributes { - let msg = match res { - Res::Def(..) => "inner macro attributes are unstable", - Res::NonMacroAttr(..) => "custom inner attributes are unstable", + let is_macro = match res { + Res::Def(..) => true, + Res::NonMacroAttr(..) => false, _ => unreachable!(), }; if soft_custom_inner_attributes_gate { - self.tcx.sess.psess.buffer_lint(SOFT_UNSTABLE, path.span, node_id, msg); + self.tcx.sess.psess.buffer_lint_with_diagnostic( + SOFT_UNSTABLE, + path.span, + node_id, + BuiltinLintDiag::InnerAttributeUnstable { is_macro }, + ); } else { + // FIXME: deduplicate with rustc_lint (`BuiltinLintDiag::InnerAttributeUnstable`) + let msg = if is_macro { + "inner macro attributes are unstable" + } else { + "custom inner attributes are unstable" + }; feature_err(&self.tcx.sess, sym::custom_inner_attributes, path.span, msg).emit(); } } @@ -572,17 +583,13 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { let distance = edit_distance(attribute.ident.name.as_str(), sym::on_unimplemented.as_str(), 5); - let help = if distance.is_some() { - BuiltinLintDiag::MaybeTypo { span: attribute.span(), name: sym::on_unimplemented } - } else { - BuiltinLintDiag::Normal - }; + let typo_name = distance.map(|_| sym::on_unimplemented); + self.tcx.sess.psess.buffer_lint_with_diagnostic( UNKNOWN_OR_MALFORMED_DIAGNOSTIC_ATTRIBUTES, attribute.span(), node_id, - "unknown diagnostic attribute", - help, + BuiltinLintDiag::UnknownDiagnosticAttribute { span: attribute.span(), typo_name }, ); } @@ -835,8 +842,14 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { let allowed_by_implication = implied_by.is_some_and(|feature| is_allowed(feature)); if !is_allowed(feature) && !allowed_by_implication { let lint_buffer = &mut self.lint_buffer; - let soft_handler = - |lint, span, msg: String| lint_buffer.buffer_lint(lint, node_id, span, msg); + let soft_handler = |lint, span, msg: String| { + lint_buffer.buffer_lint_with_diagnostic( + lint, + node_id, + span, + BuiltinLintDiag::UnstableFeature(msg), + ) + }; stability::report_unstable( self.tcx.sess, feature, diff --git a/compiler/rustc_session/src/parse.rs b/compiler/rustc_session/src/parse.rs index 59281f96126c..3db586622e59 100644 --- a/compiler/rustc_session/src/parse.rs +++ b/compiler/rustc_session/src/parse.rs @@ -300,23 +300,6 @@ impl ParseSess { self.source_map.clone() } - pub fn buffer_lint( - &self, - lint: &'static Lint, - span: impl Into, - node_id: NodeId, - msg: impl Into, - ) { - self.buffered_lints.with_lock(|buffered_lints| { - buffered_lints.push(BufferedEarlyLint { - span: span.into(), - node_id, - lint_id: LintId::of(lint), - diagnostic: BuiltinLintDiag::Normal(msg.into()), - }); - }); - } - pub fn buffer_lint_with_diagnostic( &self, lint: &'static Lint, From 8004e6a3796f832eb7752dcd22252b8e6d04e240 Mon Sep 17 00:00:00 2001 From: Xiretza Date: Mon, 15 Apr 2024 18:07:22 +0000 Subject: [PATCH 0378/1716] Make early lints translatable --- .../rustc_ast_passes/src/ast_validation.rs | 2 +- compiler/rustc_expand/src/base.rs | 18 +- compiler/rustc_lint/messages.ftl | 178 +++- compiler/rustc_lint/src/context.rs | 21 +- .../rustc_lint/src/context/diagnostics.rs | 767 ++++++++---------- .../src/context/diagnostics/check_cfg.rs | 16 +- compiler/rustc_lint/src/early.rs | 4 +- compiler/rustc_lint/src/lints.rs | 601 +++++++++++++- compiler/rustc_lint_defs/src/lib.rs | 19 +- compiler/rustc_metadata/src/creader.rs | 2 +- compiler/rustc_middle/src/middle/stability.rs | 21 +- compiler/rustc_resolve/src/check_unused.rs | 34 +- compiler/rustc_resolve/src/macros.rs | 5 +- ...sue-43106-gating-of-builtin-attrs-error.rs | 2 +- ...43106-gating-of-builtin-attrs-error.stderr | 2 +- tests/ui/lint/anonymous-reexport.stderr | 2 +- .../ui/lint/unused/import_remove_line.stderr | 2 +- tests/ui/lint/unused/lint-unused-imports.rs | 2 +- .../ui/lint/unused/lint-unused-imports.stderr | 2 +- tests/ui/malformed/malformed-regressions.rs | 6 +- .../ui/malformed/malformed-regressions.stderr | 6 +- ...sue-46209-private-enum-variant-reexport.rs | 2 +- ...46209-private-enum-variant-reexport.stderr | 2 +- tests/ui/span/multispan-import-lint.stderr | 2 +- tests/ui/suggestions/unused-imports.stderr | 4 +- .../use/use-nested-groups-unused-imports.rs | 2 +- .../use-nested-groups-unused-imports.stderr | 2 +- 27 files changed, 1176 insertions(+), 550 deletions(-) diff --git a/compiler/rustc_ast_passes/src/ast_validation.rs b/compiler/rustc_ast_passes/src/ast_validation.rs index c287f6e4b3d8..b1158dc6fcaf 100644 --- a/compiler/rustc_ast_passes/src/ast_validation.rs +++ b/compiler/rustc_ast_passes/src/ast_validation.rs @@ -1510,7 +1510,7 @@ impl<'a> Visitor<'a> for AstValidator<'a> { DEPRECATED_WHERE_CLAUSE_LOCATION, item.id, err.span, - BuiltinLintDiag::DeprecatedWhereclauseLocation(sugg), + BuiltinLintDiag::DeprecatedWhereclauseLocation(err.span, sugg), ); } diff --git a/compiler/rustc_expand/src/base.rs b/compiler/rustc_expand/src/base.rs index c7ca515afc46..77db801c76f3 100644 --- a/compiler/rustc_expand/src/base.rs +++ b/compiler/rustc_expand/src/base.rs @@ -1364,17 +1364,15 @@ fn pretty_printing_compatibility_hack(item: &Item, sess: &Session) -> bool { }; if crate_matches { - // FIXME: make this translatable - #[allow(rustc::untranslatable_diagnostic)] sess.psess.buffer_lint_with_diagnostic( - PROC_MACRO_BACK_COMPAT, - item.ident.span, - ast::CRATE_NODE_ID, - BuiltinLintDiag::ProcMacroBackCompat( - "older versions of the `rental` crate will stop compiling in future versions of Rust; \ - please update to `rental` v0.5.6, or switch to one of the `rental` alternatives".to_string() - ) - ); + PROC_MACRO_BACK_COMPAT, + item.ident.span, + ast::CRATE_NODE_ID, + BuiltinLintDiag::ProcMacroBackCompat { + crate_name: "rental".to_string(), + fixed_version: "0.5.6".to_string(), + }, + ); return true; } } diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index 7abba3bb5c4f..0cd6f1caebff 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -1,7 +1,20 @@ +lint_abs_path_with_module = absolute paths must start with `self`, `super`, `crate`, or an external crate name in the 2018 edition + .suggestion = use `crate` + +lint_ambiguous_glob_reexport = ambiguous glob re-exports + .label_first_reexport = the name `{$name}` in the {$namespace} namespace is first re-exported here + .label_duplicate_reexport = but the name `{$name}` in the {$namespace} namespace is also re-exported here + lint_ambiguous_wide_pointer_comparisons = ambiguous wide pointer comparison, the comparison includes metadata which may not be expected .addr_metadata_suggestion = use explicit `std::ptr::eq` method to compare metadata and addresses .addr_suggestion = use `std::ptr::addr_eq` or untyped pointers to only compare their addresses +lint_associated_const_elided_lifetime = {$elided -> + [true] `&` without an explicit lifetime name cannot be used here + *[false] `'_` cannot be used here + } + .suggestion = use the `'static` lifetime + lint_async_fn_in_trait = use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified .note = you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future` .suggestion = you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change @@ -19,10 +32,19 @@ lint_atomic_ordering_load = atomic loads cannot have `Release` or `AcqRel` order lint_atomic_ordering_store = atomic stores cannot have `Acquire` or `AcqRel` ordering .help = consider using ordering modes `Release`, `SeqCst` or `Relaxed` +lint_avoid_att_syntax = + avoid using `.att_syntax`, prefer using `options(att_syntax)` instead + +lint_avoid_intel_syntax = + avoid using `.intel_syntax`, Intel syntax is the default + lint_bad_attribute_argument = bad attribute argument lint_bad_opt_access = {$msg} +lint_break_with_label_and_loop = this labeled break expression is easy to confuse with an unlabeled break with a labeled value expression + .suggestion = wrap this expression in parentheses + lint_builtin_allow_internal_unsafe = `allow_internal_unsafe` allows defining macros using unsafe without triggering the `unsafe_code` lint at their call site @@ -156,6 +178,9 @@ lint_builtin_unused_doc_comment = unused doc comment lint_builtin_while_true = denote infinite loops with `loop {"{"} ... {"}"}` .suggestion = use `loop` +lint_byte_slice_in_packed_struct_with_derive = {$ty} slice in a packed struct that derives a built-in trait + .help = consider implementing the trait by hand, or remove the `packed` attribute + lint_cfg_attr_no_attributes = `#[cfg_attr]` does not expand to any attributes @@ -179,6 +204,8 @@ lint_cstring_ptr = getting the inner pointer of a temporary `CString` .note = pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned .help = for more information, see https://doc.rust-lang.org/reference/destructors.html +lint_custom_inner_attribute_unstable = custom inner attributes are unstable + lint_default_hash_types = prefer `{$preferred}` over `{$used}`, it has better performance .note = a `use rustc_data_structures::fx::{$preferred}` may be necessary @@ -189,8 +216,10 @@ lint_deprecated_lint_name = .suggestion = change it to .help = change it to {$replace} -lint_deprecated_where_clause_location = - where clause not allowed here +lint_deprecated_where_clause_location = where clause not allowed here + .note = see issue #89122 for more information + .suggestion_move_to_end = move it to the end of the type declaration + .suggestion_remove_where = remove this `where` lint_diag_out_of_impl = diagnostics should only be created in `Diagnostic`/`Subdiagnostic`/`LintDiagnostic` impls @@ -209,6 +238,11 @@ lint_dropping_references = calls to `std::mem::drop` with a reference instead of .label = argument has type `{$arg_ty}` .note = use `let _ = ...` to ignore the expression or result +lint_duplicate_macro_attribute = + duplicated attribute + +lint_duplicate_matcher_binding = duplicate matcher binding + lint_enum_intrinsics_mem_discriminant = the return value of `mem::discriminant` is unspecified when called with a non-enum type .note = the argument to `discriminant` should be a reference to an enum, but it was passed a reference to a `{$ty_param}`, which is not an enum. @@ -221,7 +255,12 @@ lint_expectation = this lint expectation is unfulfilled .note = the `unfulfilled_lint_expectations` lint can't be expected and will always produce this message .rationale = {$rationale} +lint_extern_crate_not_idiomatic = `extern crate` is not idiomatic in the new edition + .suggestion = convert it to a `use` + lint_extern_without_abi = extern declarations without an explicit ABI are deprecated + .label = ABI should be specified here + .help = the default ABI is {$default_abi} lint_for_loops_over_fallibles = for loop over {$article} `{$ty}`. This is more readably written as an `if let` statement @@ -237,6 +276,12 @@ lint_forgetting_references = calls to `std::mem::forget` with a reference instea .label = argument has type `{$arg_ty}` .note = use `let _ = ...` to ignore the expression or result +lint_hidden_glob_reexport = private item shadows public glob re-export + .note_glob_reexport = the name `{$name}` in the {$namespace} namespace is supposed to be publicly re-exported here + .note_private_item = but the private item here shadows it + +lint_hidden_lifetime_parameters = hidden lifetime parameters in types are deprecated + lint_hidden_unicode_codepoints = unicode codepoint changing visible direction of text present in {$label} .label = this {$label} contains {$count -> [one] an invisible @@ -278,6 +323,11 @@ lint_identifier_uncommon_codepoints = identifier contains {$codepoints_len -> lint_ignored_unless_crate_specified = {$level}({$name}) is ignored unless specified at crate level +lint_ill_formed_attribute_input = {$num_suggestions -> + [1] attribute must be of the form {$suggestions} + *[other] valid forms for the attribute are {$suggestions} + } + lint_impl_trait_overcaptures = `{$self_ty}` will capture more lifetimes than possibly intended in edition 2024 .note = specifically, {$num_captured -> [one] this lifetime is @@ -348,6 +398,14 @@ lint_improper_ctypes_union_layout_help = consider adding a `#[repr(C)]` or `#[re lint_improper_ctypes_union_layout_reason = this union has unspecified layout lint_improper_ctypes_union_non_exhaustive = this union is non-exhaustive +lint_incomplete_include = + include macro expected single expression in source + +lint_inner_macro_attribute_unstable = inner macro attributes are unstable + +lint_invalid_crate_type_value = invalid `crate_type` value + .suggestion = did you mean + # FIXME: we should ordinalize $valid_up_to when we add support for doing so lint_invalid_from_utf8_checked = calls to `{$method}` with a invalid literal always return an error .label = the literal was valid UTF-8 up to the {$valid_up_to} bytes @@ -376,9 +434,22 @@ lint_invalid_reference_casting_note_book = for more information, visit `, which means the only information carried by the iterator is the number of items .suggestion = you might have meant to use `Iterator::for_each` +lint_metavariable_still_repeating = variable '{$name}' is still repeating at this depth + +lint_metavariable_wrong_operator = meta-variable repeats with different Kleene operator + +lint_missing_fragment_specifier = missing fragment specifier + lint_mixed_script_confusables = the usage of Script Group `{$set}` in this crate consists solely of mixed script confusables .includes_note = the usage includes {$includes} @@ -395,6 +472,11 @@ lint_mixed_script_confusables = lint_multiple_supertrait_upcastable = `{$ident}` is object-safe and has multiple supertraits +lint_named_argument_used_positionally = named argument `{$named_arg_name}` is not used by name + .label_named_arg = this named argument is referred to by position in formatting string + .label_position_arg = this formatting argument uses named argument `{$named_arg_name}` by position + .suggestion = use the named argument by name to avoid ambiguity + lint_node_source = `forbid` level set here .note = {$reason} @@ -506,6 +588,9 @@ lint_opaque_hidden_inferred_bound = opaque type `{$ty}` does not satisfy its ass lint_opaque_hidden_inferred_bound_sugg = add this bound +lint_or_patterns_back_compat = the meaning of the `pat` fragment specifier is changing in Rust 2021, which may affect this macro + .suggestion = use pat_param to preserve semantics + lint_overflowing_bin_hex = literal out of range for `{$ty}` .negative_note = the literal `{$lit}` (decimal `{$dec}`) does not fit into the type `{$ty}` .negative_becomes_note = and the value `-{$lit}` will become `{$actually}{$ty}` @@ -541,6 +626,15 @@ lint_pattern_in_bodiless = patterns aren't allowed in functions without bodies lint_pattern_in_foreign = patterns aren't allowed in foreign function declarations .label = pattern not allowed in foreign function +lint_private_extern_crate_reexport = + extern crate `{$ident}` is private, and cannot be re-exported (error E0365), consider declaring with `pub` + +lint_proc_macro_back_compat = using an old version of `{$crate_name}` + .note = older versions of the `{$crate_name}` crate will stop compiling in future versions of Rust; please update to `{$crate_name}` v{$fixed_version}, or switch to one of the `{$crate_name}` alternatives + +lint_proc_macro_derive_resolution_fallback = cannot find {$ns} `{$ident}` in this scope + .label = names from parent modules are not accessible without an explicit import + lint_ptr_null_checks_fn_ptr = function pointers are not nullable, so checking them for null will always return false .help = wrap the function pointer inside an `Option` and use `Option::is_none` to check for null pointer value .label = expression has type `{$orig_ty}` @@ -562,6 +656,16 @@ lint_reason_must_be_string_literal = reason must be a string literal lint_reason_must_come_last = reason in lint attribute must come last +lint_redundant_import = the item `{$ident}` is imported redundantly + .label_imported_here = the item `{ident}` is already imported here + .label_defined_here = the item `{ident}` is already defined here + .label_imported_prelude = the item `{ident}` is already imported by the extern prelude + .label_defined_prelude = the item `{ident}` is already defined by the extern prelude + +lint_redundant_import_visibility = glob import doesn't reexport anything with visibility `{$import_vis}` because no imported item is public enough + .note = the most public imported item is `{$max_vis}` + .help = reduce the glob import's visibility or increase visibility of imported items + lint_redundant_semicolons = unnecessary trailing {$multiple -> [true] semicolons @@ -572,6 +676,8 @@ lint_redundant_semicolons = *[false] this semicolon } +lint_remove_mut_from_pattern = remove `mut` from the parameter + lint_removed_lint = lint `{$name}` has been removed: {$reason} lint_renamed_lint = lint `{$name}` has been renamed to `{$replace}` @@ -580,6 +686,10 @@ lint_renamed_lint = lint `{$name}` has been renamed to `{$replace}` lint_requested_level = requested on the command line with `{$level} {$lint_name}` +lint_reserved_prefix = prefix `{$prefix}` is unknown + .label = unknown prefix + .suggestion = insert whitespace here to avoid this being parsed as a prefix in Rust 2021 + lint_shadowed_into_iter = this method call resolves to `<&{$target} as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<{$target} as IntoIterator>::into_iter` in Rust {$edition} .use_iter_suggestion = use `.iter()` instead of `.into_iter()` to avoid ambiguity @@ -587,6 +697,11 @@ lint_shadowed_into_iter = .use_explicit_into_iter_suggestion = or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value +lint_single_use_lifetime = lifetime parameter `{$ident}` only used once + .label_param = this lifetime... + .label_use = ...is used only here + .suggestion = elide the single-use lifetime + lint_span_use_eq_ctxt = use `.eq_ctxt()` instead of `.ctxt() == .ctxt()` lint_supertrait_as_deref_target = this `Deref` implementation is covered by an implicit supertrait coercion @@ -600,6 +715,10 @@ lint_suspicious_double_ref_clone = lint_suspicious_double_ref_deref = using `.deref()` on a double reference, which returns `{$ty}` instead of dereferencing the inner type +lint_trailing_semi_macro = trailing semicolon in macro used in expression position + .note1 = macro invocations at the end of a block are treated as expressions + .note2 = to ignore the value produced by the macro, add a semicolon after the invocation of `{$name}` + lint_ty_qualified = usage of qualified `ty::{$ty}` .suggestion = try importing it and using it unqualified @@ -621,6 +740,7 @@ lint_unexpected_cfg_define_features = consider defining some features in `Cargo. lint_unexpected_cfg_doc_cargo = see for more information about checking conditional configuration lint_unexpected_cfg_doc_rustc = see for more information about checking conditional configuration +lint_unexpected_cfg_name = unexpected `cfg` condition name: `{$name}` lint_unexpected_cfg_name_expected_names = expected names are: {$possibilities}{$and_more -> [0] {""} *[other] {" "}and {$and_more} more @@ -632,6 +752,10 @@ lint_unexpected_cfg_name_similar_name_no_value = there is a config with a simila lint_unexpected_cfg_name_similar_name_value = there is a config with a similar name and value lint_unexpected_cfg_name_with_similar_value = found config with similar value +lint_unexpected_cfg_value = unexpected `cfg` condition value: {$has_value -> + [true] `{$value}` + *[false] (none) + } lint_unexpected_cfg_value_add_feature = consider adding `{$value}` as a feature in `Cargo.toml` lint_unexpected_cfg_value_expected_values = expected values for `{$name}` are: {$have_none_possibility -> [true] {"(none), "} @@ -650,9 +774,22 @@ lint_unexpected_cfg_value_specify_value = specify a config value lint_ungated_async_fn_track_caller = `#[track_caller]` on async functions is a no-op .label = this function will not propagate the caller location +lint_unicode_text_flow = unicode codepoint changing visible direction of text present in comment + .label = {$num_codepoints -> + [1] this comment contains an invisible unicode text flow control codepoint + *[other] this comment contains invisible unicode text flow control codepoints + } + .note = these kind of unicode codepoints change the way text flows on applications that support them, but can cause confusion because they change the order of characters on the screen + .suggestion = if their presence wasn't intentional, you can remove them + .label_comment_char = {$c_debug} + + lint_unit_bindings = binding has unit type `()` .label = this pattern is inferred to be the unit type `()` +lint_unknown_diagnostic_attribute = unknown diagnostic attribute +lint_unknown_diagnostic_attribute_typo_sugg = an attribute with a similar name exists + lint_unknown_gated_lint = unknown lint: `{$name}` .note = the `{$name}` lint is unstable @@ -668,11 +805,16 @@ lint_unknown_lint = *[false] did you mean: `{$replace}` } +lint_unknown_macro_variable = unknown macro variable `{$name}` + lint_unknown_tool_in_scoped_lint = unknown tool name `{$tool_name}` found in scoped lint: `{$tool_name}::{$lint_name}` .help = add `#![register_tool({$tool_name})]` to the crate root lint_unnameable_test_items = cannot test inner items +lint_unnecessary_qualification = unnecessary qualification + .suggestion = remove the unnecessary path segments + lint_unsupported_group = `{$lint_group}` lint group is not supported with ´--force-warn´ lint_untranslatable_diag = diagnostics should be created using translatable messages @@ -680,6 +822,9 @@ lint_untranslatable_diag = diagnostics should be created using translatable mess lint_unused_allocation = unnecessary allocation, use `&` instead lint_unused_allocation_mut = unnecessary allocation, use `&mut` instead +lint_unused_builtin_attribute = unused attribute `{$attr_name}` + .note = the built-in attribute `{$attr_name}` will be ignored, since it's applied to the macro invocation `{$macro_name}` + lint_unused_closure = unused {$pre}{$count -> [one] closure @@ -696,14 +841,43 @@ lint_unused_coroutine = }{$post} that must be used .note = coroutines are lazy and do nothing unless resumed +lint_unused_crate_dependency = external crate `{$extern_crate}` unused in `{$local_crate}`: remove the dependency or add `use {$extern_crate} as _;` + lint_unused_def = unused {$pre}`{$def}`{$post} that must be used .suggestion = use `let _ = ...` to ignore the resulting value lint_unused_delim = unnecessary {$delim} around {$item} .suggestion = remove these {$delim} +lint_unused_doc_comment = unused doc comment + .label = rustdoc does not generate documentation for macro invocations + .help = to document an item produced by a macro, the macro must produce the documentation as part of its expansion + +lint_unused_extern_crate = unused extern crate + .suggestion = remove it + lint_unused_import_braces = braces around {$node} is unnecessary +lint_unused_imports = {$num_snippets -> + [one] unused import: {$span_snippets} + *[other] unused imports: {$span_snippets} + } + .suggestion_remove_whole_use = remove the whole `use` item + .suggestion_remove_imports = {$num_to_remove -> + [one] remove the unused import + *[other] remove the unused imports + } + .help = if this is a test module, consider adding a `#[cfg(test)]` to the containing module + +lint_unused_label = unused label + +lint_unused_lifetime = lifetime parameter `{$ident}` never used + .suggestion = elide the unused lifetime + +lint_unused_macro_definition = unused macro definition: `{$name}` + +lint_unused_macro_use = unused `#[macro_use]` import + lint_unused_op = unused {$op} that must be used .label = the {$op} produces a value .suggestion = use `let _ = ...` to ignore the resulting value diff --git a/compiler/rustc_lint/src/context.rs b/compiler/rustc_lint/src/context.rs index 563d96d9519f..deeb3ae090c5 100644 --- a/compiler/rustc_lint/src/context.rs +++ b/compiler/rustc_lint/src/context.rs @@ -527,29 +527,24 @@ pub struct EarlyContext<'a> { pub buffered: LintBuffer, } -pub trait LintContext { - fn sess(&self) -> &Session; - +impl EarlyContext<'_> { /// Emit a lint at the appropriate level, with an optional associated span and an existing /// diagnostic. /// /// [`lint_level`]: rustc_middle::lint::lint_level#decorate-signature #[rustc_lint_diagnostics] - fn span_lint_with_diagnostics( + pub fn span_lint_with_diagnostics( &self, lint: &'static Lint, - span: Option>, - decorate: impl for<'a, 'b> FnOnce(&'b mut Diag<'a, ()>), + span: MultiSpan, diagnostic: BuiltinLintDiag, ) { - // We first generate a blank diagnostic. - self.opt_span_lint(lint, span, diagnostics::builtin_message(&diagnostic), |db| { - // Now, set up surrounding context. - diagnostics::builtin(self.sess(), diagnostic, db); - // Rewrap `db`, and pass control to the user. - decorate(db) - }); + diagnostics::emit_buffered_lint(self, lint, span, diagnostic) } +} + +pub trait LintContext { + fn sess(&self) -> &Session; // FIXME: These methods should not take an Into -- instead, callers should need to // set the span in their `decorate` function (preferably using set_span). diff --git a/compiler/rustc_lint/src/context/diagnostics.rs b/compiler/rustc_lint/src/context/diagnostics.rs index f298ed98d980..236eeee61521 100644 --- a/compiler/rustc_lint/src/context/diagnostics.rs +++ b/compiler/rustc_lint/src/context/diagnostics.rs @@ -1,64 +1,57 @@ #![allow(rustc::diagnostic_outside_of_impl)] #![allow(rustc::untranslatable_diagnostic)] +use std::borrow::Cow; + use rustc_ast::util::unicode::TEXT_FLOW_CONTROL_CHARS; -use rustc_errors::{ - elided_lifetime_in_path_suggestion, pluralize, Diag, DiagMessage, LintDiagnostic, -}; -use rustc_errors::{Applicability, SuggestionStyle}; +use rustc_errors::Applicability; +use rustc_errors::{elided_lifetime_in_path_suggestion, DiagArgValue, MultiSpan}; use rustc_middle::middle::stability; -use rustc_session::lint::BuiltinLintDiag; -use rustc_session::Session; +use rustc_session::lint::{BuiltinLintDiag, Lint}; use rustc_span::BytePos; -use std::fmt::Write; +use crate::{lints, EarlyContext, LintContext as _}; mod check_cfg; -#[cfg(test)] -mod tests; - -pub(super) fn builtin(sess: &Session, diagnostic: BuiltinLintDiag, diag: &mut Diag<'_, ()>) { +pub(super) fn emit_buffered_lint( + ctx: &EarlyContext<'_>, + lint: &'static Lint, + span: MultiSpan, + diagnostic: BuiltinLintDiag, +) { + let sess = ctx.sess(); match diagnostic { - BuiltinLintDiag::UnicodeTextFlow(span, content) => { + BuiltinLintDiag::UnicodeTextFlow(comment_span, content) => { let spans: Vec<_> = content .char_indices() .filter_map(|(i, c)| { TEXT_FLOW_CONTROL_CHARS.contains(&c).then(|| { - let lo = span.lo() + BytePos(2 + i as u32); - (c, span.with_lo(lo).with_hi(lo + BytePos(c.len_utf8() as u32))) + let lo = comment_span.lo() + BytePos(2 + i as u32); + (c, comment_span.with_lo(lo).with_hi(lo + BytePos(c.len_utf8() as u32))) }) }) .collect(); - let (an, s) = match spans.len() { - 1 => ("an ", ""), - _ => ("", "s"), - }; - diag.span_label( + let characters = spans + .iter() + .map(|&(c, span)| lints::UnicodeCharNoteSub { span, c_debug: format!("{c:?}") }) + .collect(); + let suggestions = (!spans.is_empty()).then_some(lints::UnicodeTextFlowSuggestion { + spans: spans.iter().map(|(_c, span)| *span).collect(), + }); + ctx.emit_span_lint( + lint, span, - format!( - "this comment contains {an}invisible unicode text flow control codepoint{s}", - ), - ); - for (c, span) in &spans { - diag.span_label(*span, format!("{c:?}")); - } - diag.note( - "these kind of unicode codepoints change the way text flows on \ - applications that support them, but can cause confusion because they \ - change the order of characters on the screen", - ); - if !spans.is_empty() { - diag.multipart_suggestion_with_style( - "if their presence wasn't intentional, you can remove them", - spans.into_iter().map(|(_, span)| (span, "".to_string())).collect(), - Applicability::MachineApplicable, - SuggestionStyle::HideCodeAlways, - ); - } + lints::UnicodeTextFlow { + comment_span, + characters, + suggestions, + num_codepoints: spans.len(), + }, + ) } - BuiltinLintDiag::AbsPathWithModule(span) => { - let (sugg, app) = match sess.source_map().span_to_snippet(span) { + BuiltinLintDiag::AbsPathWithModule(mod_span) => { + let (replacement, applicability) = match sess.source_map().span_to_snippet(mod_span) { Ok(ref s) => { // FIXME(Manishearth) ideally the emitting code // can tell us whether or not this is global @@ -68,64 +61,90 @@ pub(super) fn builtin(sess: &Session, diagnostic: BuiltinLintDiag, diag: &mut Di } Err(_) => ("crate::".to_string(), Applicability::HasPlaceholders), }; - diag.span_suggestion(span, "use `crate`", sugg, app); - } - BuiltinLintDiag::ProcMacroDeriveResolutionFallback { span, .. } => { - diag.span_label( + ctx.emit_span_lint( + lint, span, - "names from parent modules are not accessible without an explicit import", + lints::AbsPathWithModule { + sugg: lints::AbsPathWithModuleSugg { + span: mod_span, + applicability, + replacement, + }, + }, ); } - BuiltinLintDiag::MacroExpandedMacroExportsAccessedByAbsolutePaths(span_def) => { - diag.span_note(span_def, "the macro is defined here"); - } + BuiltinLintDiag::ProcMacroDeriveResolutionFallback { span: macro_span, ns, ident } => ctx + .emit_span_lint( + lint, + span, + lints::ProcMacroDeriveResolutionFallback { span: macro_span, ns, ident }, + ), + BuiltinLintDiag::MacroExpandedMacroExportsAccessedByAbsolutePaths(span_def) => ctx + .emit_span_lint( + lint, + span, + lints::MacroExpandedMacroExportsAccessedByAbsolutePaths { definition: span_def }, + ), BuiltinLintDiag::ElidedLifetimesInPaths(n, path_span, incl_angl_brckt, insertion_span) => { - diag.subdiagnostic( - sess.dcx(), - elided_lifetime_in_path_suggestion( - sess.source_map(), - n, - path_span, - incl_angl_brckt, - insertion_span, - ), + ctx.emit_span_lint( + lint, + span, + lints::ElidedLifetimesInPaths { + subdiag: elided_lifetime_in_path_suggestion( + sess.source_map(), + n, + path_span, + incl_angl_brckt, + insertion_span, + ), + }, ); } BuiltinLintDiag::UnknownCrateTypes { span, candidate } => { - if let Some(candidate) = candidate { - diag.span_suggestion( - span, - "did you mean", - format!(r#""{candidate}""#), - Applicability::MaybeIncorrect, - ); - } + let sugg = candidate.map(|candidate| lints::UnknownCrateTypesSub { span, candidate }); + ctx.emit_span_lint(lint, span, lints::UnknownCrateTypes { sugg }); } - BuiltinLintDiag::UnusedImports { fix_msg, fixes, test_module_span, .. } => { - if !fixes.is_empty() { - diag.tool_only_multipart_suggestion( - fix_msg, - fixes, - Applicability::MachineApplicable, - ); - } + BuiltinLintDiag::UnusedImports { + remove_whole_use, + num_to_remove, + remove_spans, + test_module_span, + span_snippets, + } => { + let sugg = if remove_whole_use { + lints::UnusedImportsSugg::RemoveWholeUse { span: remove_spans[0] } + } else { + lints::UnusedImportsSugg::RemoveImports { remove_spans, num_to_remove } + }; + let test_module_span = + test_module_span.map(|span| sess.source_map().guess_head_span(span)); - if let Some(span) = test_module_span { - diag.span_help( - sess.source_map().guess_head_span(span), - "if this is a test module, consider adding a `#[cfg(test)]` to the containing module", - ); - } + ctx.emit_span_lint( + lint, + span, + lints::UnusedImports { + sugg, + test_module_span, + num_snippets: span_snippets.len(), + span_snippets: DiagArgValue::StrListSepByAnd( + span_snippets.into_iter().map(Cow::Owned).collect(), + ), + }, + ); } BuiltinLintDiag::RedundantImport(spans, ident) => { - for (span, is_imported) in spans { - let introduced = if is_imported { "imported" } else { "defined" }; - let span_msg = if span.is_dummy() { "by the extern prelude" } else { "here" }; - diag.span_label( - span, - format!("the item `{ident}` is already {introduced} {span_msg}"), - ); - } + let subs = spans + .into_iter() + .map(|(span, is_imported)| { + (match (span.is_dummy(), is_imported) { + (false, true) => lints::RedundantImportSub::ImportedHere, + (false, false) => lints::RedundantImportSub::DefinedHere, + (true, true) => lints::RedundantImportSub::ImportedPrelude, + (true, false) => lints::RedundantImportSub::DefinedPrelude, + })(span) + }) + .collect(); + ctx.emit_span_lint(lint, span, lints::RedundantImport { subs, ident }); } BuiltinLintDiag::DeprecatedMacro { suggestion, @@ -139,106 +158,110 @@ pub(super) fn builtin(sess: &Session, diagnostic: BuiltinLintDiag, diag: &mut Di kind: "macro".to_owned(), suggestion, }); - let deprecated = - stability::Deprecated { sub, kind: "macro".to_owned(), path, note, since_kind }; - deprecated.decorate_lint(diag); - } - BuiltinLintDiag::UnusedDocComment(span) => { - diag.span_label(span, "rustdoc does not generate documentation for macro invocations"); - diag.help("to document an item produced by a macro, \ - the macro must produce the documentation as part of its expansion"); - } - BuiltinLintDiag::PatternsInFnsWithoutBody { span, ident, .. } => { - diag.span_suggestion( + ctx.emit_span_lint( + lint, span, - "remove `mut` from the parameter", - ident, - Applicability::MachineApplicable, + stability::Deprecated { sub, kind: "macro".to_owned(), path, note, since_kind }, ); } - BuiltinLintDiag::MissingAbi(span, default_abi) => { - diag.span_label(span, "ABI should be specified here"); - diag.help(format!("the default ABI is {}", default_abi.name())); + BuiltinLintDiag::UnusedDocComment(attr_span) => { + ctx.emit_span_lint(lint, span, lints::UnusedDocComment { span: attr_span }); } - BuiltinLintDiag::LegacyDeriveHelpers(span) => { - diag.span_label(span, "the attribute is introduced here"); - } - BuiltinLintDiag::ProcMacroBackCompat(note) => { - diag.note(note); - } - BuiltinLintDiag::OrPatternsBackCompat(span, suggestion) => { - diag.span_suggestion( + BuiltinLintDiag::PatternsInFnsWithoutBody { span: remove_span, ident, is_foreign } => { + let sub = lints::PatternsInFnsWithoutBodySub { ident, span: remove_span }; + + ctx.emit_span_lint( + lint, span, - "use pat_param to preserve semantics", - suggestion, - Applicability::MachineApplicable, + if is_foreign { + lints::PatternsInFnsWithoutBody::Foreign { sub } + } else { + lints::PatternsInFnsWithoutBody::Bodiless { sub } + }, ); } - BuiltinLintDiag::ReservedPrefix(span, _) => { - diag.span_label(span, "unknown prefix"); - diag.span_suggestion_verbose( - span.shrink_to_hi(), - "insert whitespace here to avoid this being parsed as a prefix in Rust 2021", - " ", - Applicability::MachineApplicable, + BuiltinLintDiag::MissingAbi(label_span, default_abi) => { + ctx.emit_span_lint( + lint, + span, + lints::MissingAbi { span: label_span, default_abi: default_abi.name() }, + ); + } + BuiltinLintDiag::LegacyDeriveHelpers(label_span) => { + ctx.emit_span_lint(lint, span, lints::LegacyDeriveHelpers { span: label_span }); + } + BuiltinLintDiag::ProcMacroBackCompat { crate_name, fixed_version } => { + ctx.emit_span_lint( + lint, + span, + lints::ProcMacroBackCompat { crate_name, fixed_version }, + ); + } + BuiltinLintDiag::OrPatternsBackCompat(suggestion_span, suggestion) => { + ctx.emit_span_lint( + lint, + span, + lints::OrPatternsBackCompat { span: suggestion_span, suggestion }, + ); + } + BuiltinLintDiag::ReservedPrefix(label_span, prefix) => { + ctx.emit_span_lint( + lint, + span, + lints::ReservedPrefix { + label: label_span, + suggestion: label_span.shrink_to_hi(), + prefix, + }, ); } BuiltinLintDiag::UnusedBuiltinAttribute { attr_name, macro_name, invoc_span } => { - diag.span_note( - invoc_span, - format!("the built-in attribute `{attr_name}` will be ignored, since it's applied to the macro invocation `{macro_name}`") - ); + ctx.emit_span_lint( + lint, + span, + lints::UnusedBuiltinAttribute { invoc_span, attr_name, macro_name }, + ); } BuiltinLintDiag::TrailingMacro(is_trailing, name) => { - if is_trailing { - diag.note("macro invocations at the end of a block are treated as expressions"); - diag.note(format!("to ignore the value produced by the macro, add a semicolon after the invocation of `{name}`")); - } + ctx.emit_span_lint(lint, span, lints::TrailingMacro { is_trailing, name }); } - BuiltinLintDiag::BreakWithLabelAndLoop(span) => { - diag.multipart_suggestion( - "wrap this expression in parentheses", - vec![ - (span.shrink_to_lo(), "(".to_string()), - (span.shrink_to_hi(), ")".to_string()), - ], - Applicability::MachineApplicable, + BuiltinLintDiag::BreakWithLabelAndLoop(sugg_span) => { + ctx.emit_span_lint( + lint, + span, + lints::BreakWithLabelAndLoop { + sub: lints::BreakWithLabelAndLoopSub { + left: sugg_span.shrink_to_lo(), + right: sugg_span.shrink_to_hi(), + }, + }, ); } BuiltinLintDiag::UnexpectedCfgName(name, value) => { - check_cfg::unexpected_cfg_name(sess, diag, name, value) + ctx.emit_span_lint(lint, span, check_cfg::unexpected_cfg_name(sess, name, value)); } BuiltinLintDiag::UnexpectedCfgValue(name, value) => { - check_cfg::unexpected_cfg_value(sess, diag, name, value) + ctx.emit_span_lint(lint, span, check_cfg::unexpected_cfg_value(sess, name, value)); } - BuiltinLintDiag::DeprecatedWhereclauseLocation(sugg) => { - let left_sp = diag.span.primary_span().unwrap(); - match sugg { - Some((right_sp, sugg)) => diag.multipart_suggestion( - "move it to the end of the type declaration", - vec![(left_sp, String::new()), (right_sp, sugg)], - Applicability::MachineApplicable, - ), - None => diag.span_suggestion( - left_sp, - "remove this `where`", - "", - Applicability::MachineApplicable, - ), + BuiltinLintDiag::DeprecatedWhereclauseLocation(left_sp, sugg) => { + let suggestion = match sugg { + Some((right_sp, sugg)) => lints::DeprecatedWhereClauseLocationSugg::MoveToEnd { + left: left_sp, + right: right_sp, + sugg, + }, + None => lints::DeprecatedWhereClauseLocationSugg::RemoveWhere { span: left_sp }, }; - diag.note("see issue #89122 for more information"); + ctx.emit_span_lint(lint, span, lints::DeprecatedWhereClauseLocation { suggestion }); } BuiltinLintDiag::SingleUseLifetime { param_span, use_span: Some((use_span, elide)), deletion_span, - .. + ident, } => { debug!(?param_span, ?use_span, ?deletion_span); - diag.span_label(param_span, "this lifetime..."); - diag.span_label(use_span, "...is used only here"); - if let Some(deletion_span) = deletion_span { - let msg = "elide the single-use lifetime"; + let suggestion = if let Some(deletion_span) = deletion_span { let (use_span, replace_lt) = if elide { let use_span = sess.source_map().span_extend_while_whitespace(use_span); (use_span, String::new()) @@ -249,26 +272,22 @@ pub(super) fn builtin(sess: &Session, diagnostic: BuiltinLintDiag, diag: &mut Di // issue 107998 for the case such as a wrong function pointer type // `deletion_span` is empty and there is no need to report lifetime uses here - let suggestions = if deletion_span.is_empty() { - vec![(use_span, replace_lt)] - } else { - vec![(deletion_span, String::new()), (use_span, replace_lt)] - }; - diag.multipart_suggestion(msg, suggestions, Applicability::MachineApplicable); - } + let deletion_span = + if deletion_span.is_empty() { None } else { Some(deletion_span) }; + Some(lints::SingleUseLifetimeSugg { deletion_span, use_span, replace_lt }) + } else { + None + }; + + ctx.emit_span_lint( + lint, + span, + lints::SingleUseLifetime { suggestion, param_span, use_span, ident }, + ); } - BuiltinLintDiag::SingleUseLifetime { - param_span: _, use_span: None, deletion_span, .. - } => { + BuiltinLintDiag::SingleUseLifetime { use_span: None, deletion_span, ident, .. } => { debug!(?deletion_span); - if let Some(deletion_span) = deletion_span { - diag.span_suggestion( - deletion_span, - "elide the unused lifetime", - "", - Applicability::MachineApplicable, - ); - } + ctx.emit_span_lint(lint, span, lints::UnusedLifetime { deletion_span, ident }); } BuiltinLintDiag::NamedArgumentUsedPositionally { position_sp_to_replace, @@ -277,19 +296,12 @@ pub(super) fn builtin(sess: &Session, diagnostic: BuiltinLintDiag, diag: &mut Di named_arg_name, is_formatting_arg, } => { - diag.span_label( - named_arg_sp, - "this named argument is referred to by position in formatting string", - ); - if let Some(positional_arg_for_msg) = position_sp_for_msg { - let msg = format!( - "this formatting argument uses named argument `{named_arg_name}` by position" - ); - diag.span_label(positional_arg_for_msg, msg); - } - - if let Some(positional_arg_to_replace) = position_sp_to_replace { - let name = if is_formatting_arg { named_arg_name + "$" } else { named_arg_name }; + let (suggestion, name) = if let Some(positional_arg_to_replace) = position_sp_to_replace + { + let mut name = named_arg_name.clone(); + if is_formatting_arg { + name.push('$') + }; let span_to_replace = if let Ok(positional_arg_content) = sess.source_map().span_to_snippet(positional_arg_to_replace) && positional_arg_content.starts_with(':') @@ -298,31 +310,40 @@ pub(super) fn builtin(sess: &Session, diagnostic: BuiltinLintDiag, diag: &mut Di } else { positional_arg_to_replace }; - diag.span_suggestion_verbose( - span_to_replace, - "use the named argument by name to avoid ambiguity", + (Some(span_to_replace), name) + } else { + (None, String::new()) + }; + + ctx.emit_span_lint( + lint, + span, + lints::NamedArgumentUsedPositionally { + named_arg_sp, + position_label_sp: position_sp_for_msg, + suggestion, name, - Applicability::MaybeIncorrect, - ); - } + named_arg_name, + }, + ) } - BuiltinLintDiag::ByteSliceInPackedStructWithDerive { .. } => { - diag.help("consider implementing the trait by hand, or remove the `packed` attribute"); + BuiltinLintDiag::ByteSliceInPackedStructWithDerive { ty } => { + ctx.emit_span_lint(lint, span, lints::ByteSliceInPackedStructWithDerive { ty }) } BuiltinLintDiag::UnusedExternCrate { removal_span } => { - diag.span_suggestion(removal_span, "remove it", "", Applicability::MachineApplicable); + ctx.emit_span_lint(lint, span, lints::UnusedExternCrate { removal_span }) } BuiltinLintDiag::ExternCrateNotIdiomatic { vis_span, ident_span } => { let suggestion_span = vis_span.between(ident_span); - diag.span_suggestion_verbose( - suggestion_span, - "convert it to a `use`", - if vis_span.is_empty() { "use " } else { " use " }, - Applicability::MachineApplicable, + let code = if vis_span.is_empty() { "use " } else { " use " }; + ctx.emit_span_lint( + lint, + span, + lints::ExternCrateNotIdiomatic { span: suggestion_span, code }, ); } BuiltinLintDiag::AmbiguousGlobImports { diag: ambiguity } => { - rustc_errors::report_ambiguity_error(diag, ambiguity); + ctx.emit_span_lint(lint, span, lints::AmbiguousGlobImports { ambiguity }); } BuiltinLintDiag::AmbiguousGlobReexports { name, @@ -330,15 +351,15 @@ pub(super) fn builtin(sess: &Session, diagnostic: BuiltinLintDiag, diag: &mut Di first_reexport_span, duplicate_reexport_span, } => { - diag.span_label( - first_reexport_span, - format!("the name `{name}` in the {namespace} namespace is first re-exported here"), - ); - diag.span_label( - duplicate_reexport_span, - format!( - "but the name `{name}` in the {namespace} namespace is also re-exported here" - ), + ctx.emit_span_lint( + lint, + span, + lints::AmbiguousGlobReexports { + first_reexport: first_reexport_span, + duplicate_reexport: duplicate_reexport_span, + name, + namespace, + }, ); } BuiltinLintDiag::HiddenGlobReexports { @@ -347,261 +368,127 @@ pub(super) fn builtin(sess: &Session, diagnostic: BuiltinLintDiag, diag: &mut Di glob_reexport_span, private_item_span, } => { - diag.span_note(glob_reexport_span, format!("the name `{name}` in the {namespace} namespace is supposed to be publicly re-exported here")); - diag.span_note(private_item_span, "but the private item here shadows it".to_owned()); + ctx.emit_span_lint( + lint, + span, + lints::HiddenGlobReexports { + glob_reexport: glob_reexport_span, + private_item: private_item_span, + + name, + namespace, + }, + ); } BuiltinLintDiag::UnusedQualifications { removal_span } => { - diag.span_suggestion_verbose( - removal_span, - "remove the unnecessary path segments", - "", - Applicability::MachineApplicable, + ctx.emit_span_lint(lint, span, lints::UnusedQualifications { removal_span }); + } + BuiltinLintDiag::AssociatedConstElidedLifetime { elided, span: lt_span } => { + let lt_span = if elided { lt_span.shrink_to_hi() } else { lt_span }; + let code = if elided { "'static " } else { "'static" }; + ctx.emit_span_lint( + lint, + span, + lints::AssociatedConstElidedLifetime { span: lt_span, code, elided }, ); } - BuiltinLintDiag::AssociatedConstElidedLifetime { elided, span } => { - diag.span_suggestion_verbose( - if elided { span.shrink_to_hi() } else { span }, - "use the `'static` lifetime", - if elided { "'static " } else { "'static" }, - Applicability::MachineApplicable, + BuiltinLintDiag::RedundantImportVisibility { max_vis, span: vis_span, import_vis } => { + ctx.emit_span_lint( + lint, + span, + lints::RedundantImportVisibility { span: vis_span, help: (), max_vis, import_vis }, ); } - BuiltinLintDiag::RedundantImportVisibility { max_vis, span, .. } => { - diag.span_note(span, format!("the most public imported item is `{max_vis}`")); - diag.help( - "reduce the glob import's visibility or increase visibility of imported items", - ); + BuiltinLintDiag::UnknownDiagnosticAttribute { span: typo_span, typo_name } => { + let typo = typo_name.map(|typo_name| lints::UnknownDiagnosticAttributeTypoSugg { + span: typo_span, + typo_name, + }); + ctx.emit_span_lint(lint, span, lints::UnknownDiagnosticAttribute { typo }); } - BuiltinLintDiag::UnknownDiagnosticAttribute { span, typo_name } => { - if let Some(typo_name) = typo_name { - diag.span_suggestion_verbose( - span, - "an attribute with a similar name exists", - typo_name, - Applicability::MachineApplicable, - ); - } + BuiltinLintDiag::MacroUseDeprecated => { + ctx.emit_span_lint(lint, span, lints::MacroUseDeprecated) } - BuiltinLintDiag::MacroUseDeprecated - | BuiltinLintDiag::UnusedMacroUse - | BuiltinLintDiag::PrivateExternCrateReexport(_) - | BuiltinLintDiag::UnusedLabel - | BuiltinLintDiag::MacroIsPrivate(_) - | BuiltinLintDiag::UnusedMacroDefinition(_) - | BuiltinLintDiag::MacroRuleNeverUsed(_, _) - | BuiltinLintDiag::UnstableFeature(_) - | BuiltinLintDiag::AvoidUsingIntelSyntax - | BuiltinLintDiag::AvoidUsingAttSyntax - | BuiltinLintDiag::IncompleteInclude - | BuiltinLintDiag::UnnameableTestItems - | BuiltinLintDiag::DuplicateMacroAttribute - | BuiltinLintDiag::CfgAttrNoAttributes - | BuiltinLintDiag::CrateTypeInCfgAttr - | BuiltinLintDiag::CrateNameInCfgAttr - | BuiltinLintDiag::MissingFragmentSpecifier - | BuiltinLintDiag::MetaVariableStillRepeating(_) - | BuiltinLintDiag::MetaVariableWrongOperator - | BuiltinLintDiag::DuplicateMatcherBinding - | BuiltinLintDiag::UnknownMacroVariable(_) - | BuiltinLintDiag::UnusedExternCrate2 { .. } - | BuiltinLintDiag::WasmCAbi - | BuiltinLintDiag::IllFormedAttributeInput { .. } - | BuiltinLintDiag::InnerAttributeUnstable { .. } => {} - } -} - -pub(super) fn builtin_message(diagnostic: &BuiltinLintDiag) -> DiagMessage { - match diagnostic { - BuiltinLintDiag::AbsPathWithModule(_) => { - "absolute paths must start with `self`, `super`, `crate`, or an \ - external crate name in the 2018 edition" - .into() + BuiltinLintDiag::UnusedMacroUse => ctx.emit_span_lint(lint, span, lints::UnusedMacroUse), + BuiltinLintDiag::PrivateExternCrateReexport(ident) => { + ctx.emit_span_lint(lint, span, lints::PrivateExternCrateReexport { ident }) } - BuiltinLintDiag::ProcMacroDeriveResolutionFallback { ns, ident, .. } => { - format!("cannot find {} `{}` in this scope", ns.descr(), ident).into() + BuiltinLintDiag::UnusedLabel => ctx.emit_span_lint(lint, span, lints::UnusedLabel), + BuiltinLintDiag::MacroIsPrivate(ident) => { + ctx.emit_span_lint(lint, span, lints::MacroIsPrivate { ident }) } - BuiltinLintDiag::MacroExpandedMacroExportsAccessedByAbsolutePaths(_) => { - "macro-expanded `macro_export` macros from the current crate cannot \ - be referred to by absolute paths" - .into() - } - BuiltinLintDiag::ElidedLifetimesInPaths(_, _, _, _) => { - "hidden lifetime parameters in types are deprecated".into() - } - BuiltinLintDiag::UnknownCrateTypes { .. } => "invalid `crate_type` value".into(), - BuiltinLintDiag::UnusedImports { span_snippets, .. } => format!( - "unused import{}{}", - pluralize!(span_snippets.len()), - if !span_snippets.is_empty() { - format!(": {}", span_snippets.join(", ")) - } else { - String::new() - } - ) - .into(), - BuiltinLintDiag::RedundantImport(_, source) => { - format!("the item `{source}` is imported redundantly").into() - } - BuiltinLintDiag::DeprecatedMacro { since_kind, .. } => { - stability::Deprecated::msg_for_since_kind(since_kind) - } - BuiltinLintDiag::MissingAbi(_, _) => crate::fluent_generated::lint_extern_without_abi, - BuiltinLintDiag::UnusedDocComment(_) => "unused doc comment".into(), - BuiltinLintDiag::UnusedBuiltinAttribute { attr_name, .. } => { - format!("unused attribute `{attr_name}`").into() - } - BuiltinLintDiag::PatternsInFnsWithoutBody { is_foreign, .. } => { - if *is_foreign { - crate::fluent_generated::lint_pattern_in_foreign - } else { - crate::fluent_generated::lint_pattern_in_bodiless - } - } - BuiltinLintDiag::LegacyDeriveHelpers(_) => { - "derive helper attribute is used before it is introduced".into() - } - BuiltinLintDiag::ProcMacroBackCompat(_) => "using an old version of `rental`".into(), - BuiltinLintDiag::OrPatternsBackCompat(_, _) => { - "the meaning of the `pat` fragment specifier is changing in Rust 2021, \ - which may affect this macro" - .into() - } - BuiltinLintDiag::ReservedPrefix(_, prefix) => { - format!("prefix `{prefix}` is unknown").into() - } - BuiltinLintDiag::TrailingMacro(_, _) => { - "trailing semicolon in macro used in expression position".into() - } - BuiltinLintDiag::BreakWithLabelAndLoop(_) => { - "this labeled break expression is easy to confuse with an unlabeled break with a \ - labeled value expression" - .into() - } - BuiltinLintDiag::UnicodeTextFlow(_, _) => { - "unicode codepoint changing visible direction of text present in comment".into() - } - BuiltinLintDiag::UnexpectedCfgName((name, _), _) => { - format!("unexpected `cfg` condition name: `{}`", name).into() - } - BuiltinLintDiag::UnexpectedCfgValue(_, v) => if let Some((value, _)) = v { - format!("unexpected `cfg` condition value: `{value}`") - } else { - format!("unexpected `cfg` condition value: (none)") - } - .into(), - BuiltinLintDiag::DeprecatedWhereclauseLocation(_) => { - crate::fluent_generated::lint_deprecated_where_clause_location - } - BuiltinLintDiag::SingleUseLifetime { use_span, ident, .. } => { - if use_span.is_some() { - format!("lifetime parameter `{}` only used once", ident).into() - } else { - format!("lifetime parameter `{}` never used", ident).into() - } - } - BuiltinLintDiag::NamedArgumentUsedPositionally { named_arg_name, .. } => { - format!("named argument `{}` is not used by name", named_arg_name).into() - } - BuiltinLintDiag::ByteSliceInPackedStructWithDerive { ty } => { - format!("{ty} slice in a packed struct that derives a built-in trait").into() - } - BuiltinLintDiag::UnusedExternCrate { .. } => "unused extern crate".into(), - BuiltinLintDiag::ExternCrateNotIdiomatic { .. } => { - "`extern crate` is not idiomatic in the new edition".into() - } - BuiltinLintDiag::AmbiguousGlobImports { diag } => diag.msg.clone().into(), - BuiltinLintDiag::AmbiguousGlobReexports { .. } => "ambiguous glob re-exports".into(), - BuiltinLintDiag::HiddenGlobReexports { .. } => { - "private item shadows public glob re-export".into() - } - BuiltinLintDiag::UnusedQualifications { .. } => "unnecessary qualification".into(), - BuiltinLintDiag::AssociatedConstElidedLifetime { elided, .. } => if *elided { - "`&` without an explicit lifetime name cannot be used here" - } else { - "`'_` cannot be used here" - } - .into(), - BuiltinLintDiag::RedundantImportVisibility { import_vis, .. } => format!( - "glob import doesn't reexport anything with visibility `{}` \ - because no imported item is public enough", - import_vis - ) - .into(), - BuiltinLintDiag::MacroUseDeprecated => "deprecated `#[macro_use]` attribute used to \ - import macros should be replaced at use sites \ - with a `use` item to import the macro \ - instead" - .into(), - BuiltinLintDiag::UnusedMacroUse => "unused `#[macro_use]` import".into(), - BuiltinLintDiag::PrivateExternCrateReexport(ident) => format!( - "extern crate `{ident}` is private, and cannot be \ - re-exported (error E0365), consider declaring with \ - `pub`" - ) - .into(), - BuiltinLintDiag::UnusedLabel => "unused label".into(), - BuiltinLintDiag::MacroIsPrivate(ident) => format!("macro `{ident}` is private").into(), BuiltinLintDiag::UnusedMacroDefinition(name) => { - format!("unused macro definition: `{}`", name).into() + ctx.emit_span_lint(lint, span, lints::UnusedMacroDefinition { name }) } BuiltinLintDiag::MacroRuleNeverUsed(n, name) => { - format!("rule #{} of macro `{}` is never used", n + 1, name).into() + ctx.emit_span_lint(lint, span, lints::MacroRuleNeverUsed { n: n + 1, name }) + } + BuiltinLintDiag::UnstableFeature(msg) => { + ctx.emit_span_lint(lint, span, lints::UnstableFeature { msg }) } - BuiltinLintDiag::UnstableFeature(msg) => msg.clone().into(), BuiltinLintDiag::AvoidUsingIntelSyntax => { - "avoid using `.intel_syntax`, Intel syntax is the default".into() + ctx.emit_span_lint(lint, span, lints::AvoidIntelSyntax) } BuiltinLintDiag::AvoidUsingAttSyntax => { - "avoid using `.att_syntax`, prefer using `options(att_syntax)` instead".into() + ctx.emit_span_lint(lint, span, lints::AvoidAttSyntax) } BuiltinLintDiag::IncompleteInclude => { - "include macro expected single expression in source".into() + ctx.emit_span_lint(lint, span, lints::IncompleteInclude) + } + BuiltinLintDiag::UnnameableTestItems => { + ctx.emit_span_lint(lint, span, lints::UnnameableTestItems) + } + BuiltinLintDiag::DuplicateMacroAttribute => { + ctx.emit_span_lint(lint, span, lints::DuplicateMacroAttribute) } - BuiltinLintDiag::UnnameableTestItems => crate::fluent_generated::lint_unnameable_test_items, - BuiltinLintDiag::DuplicateMacroAttribute => "duplicated attribute".into(), BuiltinLintDiag::CfgAttrNoAttributes => { - crate::fluent_generated::lint_cfg_attr_no_attributes + ctx.emit_span_lint(lint, span, lints::CfgAttrNoAttributes) } BuiltinLintDiag::CrateTypeInCfgAttr => { - crate::fluent_generated::lint_crate_type_in_cfg_attr_deprecated + ctx.emit_span_lint(lint, span, lints::CrateTypeInCfgAttr) } BuiltinLintDiag::CrateNameInCfgAttr => { - crate::fluent_generated::lint_crate_name_in_cfg_attr_deprecated + ctx.emit_span_lint(lint, span, lints::CrateNameInCfgAttr) + } + BuiltinLintDiag::MissingFragmentSpecifier => { + ctx.emit_span_lint(lint, span, lints::MissingFragmentSpecifier) } - BuiltinLintDiag::MissingFragmentSpecifier => "missing fragment specifier".into(), BuiltinLintDiag::MetaVariableStillRepeating(name) => { - format!("variable '{name}' is still repeating at this depth").into() + ctx.emit_span_lint(lint, span, lints::MetaVariableStillRepeating { name }) } BuiltinLintDiag::MetaVariableWrongOperator => { - "meta-variable repeats with different Kleene operator".into() + ctx.emit_span_lint(lint, span, lints::MetaVariableWrongOperator) + } + BuiltinLintDiag::DuplicateMatcherBinding => { + ctx.emit_span_lint(lint, span, lints::DuplicateMatcherBinding) } - BuiltinLintDiag::DuplicateMatcherBinding => "duplicate matcher binding".into(), BuiltinLintDiag::UnknownMacroVariable(name) => { - format!("unknown macro variable `{name}`").into() + ctx.emit_span_lint(lint, span, lints::UnknownMacroVariable { name }) } - BuiltinLintDiag::UnusedExternCrate2 { extern_crate, local_crate } => format!( - "external crate `{}` unused in `{}`: remove the dependency or add `use {} as _;`", - extern_crate, local_crate, extern_crate - ) - .into(), - BuiltinLintDiag::WasmCAbi => crate::fluent_generated::lint_wasm_c_abi, - BuiltinLintDiag::IllFormedAttributeInput { suggestions } => suggestions - .iter() - .enumerate() - .fold("attribute must be of the form ".to_string(), |mut acc, (i, sugg)| { - if i != 0 { - write!(acc, " or ").unwrap(); - } - write!(acc, "`{sugg}`").unwrap(); - acc - }) - .into(), - BuiltinLintDiag::InnerAttributeUnstable { is_macro } => if *is_macro { - "inner macro attributes are unstable" - } else { - "custom inner attributes are unstable" - } - .into(), - BuiltinLintDiag::UnknownDiagnosticAttribute { .. } => "unknown diagnostic attribute".into(), + BuiltinLintDiag::UnusedCrateDependency { extern_crate, local_crate } => ctx.emit_span_lint( + lint, + span, + lints::UnusedCrateDependency { extern_crate, local_crate }, + ), + BuiltinLintDiag::WasmCAbi => ctx.emit_span_lint(lint, span, lints::WasmCAbi), + BuiltinLintDiag::IllFormedAttributeInput { suggestions } => ctx.emit_span_lint( + lint, + span, + lints::IllFormedAttributeInput { + num_suggestions: suggestions.len(), + suggestions: DiagArgValue::StrListSepByAnd( + suggestions.into_iter().map(|s| format!("`{s}`").into()).collect(), + ), + }, + ), + BuiltinLintDiag::InnerAttributeUnstable { is_macro } => ctx.emit_span_lint( + lint, + span, + if is_macro { + lints::InnerAttributeUnstable::InnerMacroAttribute + } else { + lints::InnerAttributeUnstable::CustomInnerAttribute + }, + ), } } diff --git a/compiler/rustc_lint/src/context/diagnostics/check_cfg.rs b/compiler/rustc_lint/src/context/diagnostics/check_cfg.rs index 38a87d9a11c2..020ca1753cf0 100644 --- a/compiler/rustc_lint/src/context/diagnostics/check_cfg.rs +++ b/compiler/rustc_lint/src/context/diagnostics/check_cfg.rs @@ -1,4 +1,3 @@ -use rustc_errors::Diag; use rustc_middle::bug; use rustc_session::{config::ExpectedValues, Session}; use rustc_span::edit_distance::find_best_match_for_name; @@ -45,10 +44,9 @@ fn to_check_cfg_arg(name: Symbol, value: Option, quotes: EscapeQuotes) - pub(super) fn unexpected_cfg_name( sess: &Session, - diag: &mut Diag<'_, ()>, (name, name_span): (Symbol, Span), value: Option<(Symbol, Span)>, -) { +) -> lints::UnexpectedCfgName { #[allow(rustc::potential_query_instability)] let possibilities: Vec = sess.psess.check_config.expecteds.keys().copied().collect(); @@ -179,15 +177,14 @@ pub(super) fn unexpected_cfg_name( )) }; - diag.subdiagnostic(diag.dcx, lints::UnexpectedCfgNameSub { code_sugg, invocation_help }); + lints::UnexpectedCfgName { code_sugg, invocation_help, name } } pub(super) fn unexpected_cfg_value( sess: &Session, - diag: &mut Diag<'_, ()>, (name, name_span): (Symbol, Span), value: Option<(Symbol, Span)>, -) { +) -> lints::UnexpectedCfgValue { let Some(ExpectedValues::Some(values)) = &sess.psess.check_config.expecteds.get(&name) else { bug!( "it shouldn't be possible to have a diagnostic on a value whose name is not in values" @@ -287,5 +284,10 @@ pub(super) fn unexpected_cfg_value( lints::unexpected_cfg_value::InvocationHelp::Rustc(help) }; - diag.subdiagnostic(diag.dcx, lints::UnexpectedCfgValueSub { code_sugg, invocation_help }); + lints::UnexpectedCfgValue { + code_sugg, + invocation_help, + has_value: value.is_some(), + value: value.map_or_else(String::new, |(v, _span)| v.to_string()), + } } diff --git a/compiler/rustc_lint/src/early.rs b/compiler/rustc_lint/src/early.rs index 80cb70ba277c..736c7a110693 100644 --- a/compiler/rustc_lint/src/early.rs +++ b/compiler/rustc_lint/src/early.rs @@ -14,7 +14,7 @@ //! upon. As the ast is traversed, this keeps track of the current lint level //! for all lint attributes. -use crate::context::{EarlyContext, LintContext, LintStore}; +use crate::context::{EarlyContext, LintStore}; use crate::passes::{EarlyLintPass, EarlyLintPassObject}; use rustc_ast::ptr::P; use rustc_ast::visit::{self as ast_visit, walk_list, Visitor}; @@ -45,7 +45,7 @@ impl<'a, T: EarlyLintPass> EarlyContextAndPass<'a, T> { fn inlined_check_id(&mut self, id: ast::NodeId) { for early_lint in self.context.buffered.take(id) { let BufferedEarlyLint { span, node_id: _, lint_id, diagnostic } = early_lint; - self.context.span_lint_with_diagnostics(lint_id.lint, Some(span), |_| {}, diagnostic); + self.context.span_lint_with_diagnostics(lint_id.lint, span, diagnostic); } } diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index 2a07db27616a..3bd6faca3796 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -5,16 +5,22 @@ use std::num::NonZero; use crate::errors::RequestedLevel; use crate::fluent_generated as fluent; use rustc_errors::{ - codes::*, Applicability, Diag, DiagMessage, DiagStyledString, EmissionGuarantee, - LintDiagnostic, SubdiagMessageOp, Subdiagnostic, SuggestionStyle, + codes::*, Applicability, Diag, DiagArgValue, DiagMessage, DiagStyledString, + ElidedLifetimeInPathSubdiag, EmissionGuarantee, LintDiagnostic, SubdiagMessageOp, + Subdiagnostic, SuggestionStyle, }; -use rustc_hir::def_id::DefId; +use rustc_hir::{def::Namespace, def_id::DefId}; use rustc_macros::{LintDiagnostic, Subdiagnostic}; use rustc_middle::ty::{ inhabitedness::InhabitedPredicate, Clause, PolyExistentialTraitRef, Ty, TyCtxt, }; -use rustc_session::Session; -use rustc_span::{edition::Edition, sym, symbol::Ident, Span, Symbol}; +use rustc_session::{lint::AmbiguityErrorDiag, Session}; +use rustc_span::{ + edition::Edition, + sym, + symbol::{Ident, MacroRulesNormalizedIdent}, + Span, Symbol, +}; use crate::{ builtin::InitError, builtin::TypeAliasBounds, errors::OverruledAttributeSub, LateContext, @@ -1986,12 +1992,15 @@ impl UnexpectedCfgRustcHelp { } } -#[derive(Subdiagnostic)] -pub struct UnexpectedCfgNameSub { +#[derive(LintDiagnostic)] +#[diag(lint_unexpected_cfg_name)] +pub struct UnexpectedCfgName { #[subdiagnostic] pub code_sugg: unexpected_cfg_name::CodeSuggestion, #[subdiagnostic] pub invocation_help: unexpected_cfg_name::InvocationHelp, + + pub name: Symbol, } pub mod unexpected_cfg_name { @@ -2093,12 +2102,16 @@ pub mod unexpected_cfg_name { } } -#[derive(Subdiagnostic)] -pub struct UnexpectedCfgValueSub { +#[derive(LintDiagnostic)] +#[diag(lint_unexpected_cfg_value)] +pub struct UnexpectedCfgValue { #[subdiagnostic] pub code_sugg: unexpected_cfg_value::CodeSuggestion, #[subdiagnostic] pub invocation_help: unexpected_cfg_value::InvocationHelp, + + pub has_value: bool, + pub value: String, } pub mod unexpected_cfg_value { @@ -2204,3 +2217,573 @@ pub mod unexpected_cfg_value { Other(#[subdiagnostic] super::UnexpectedCfgCargoHelp), } } + +#[derive(LintDiagnostic)] +#[diag(lint_macro_use_deprecated)] +pub struct MacroUseDeprecated; + +#[derive(LintDiagnostic)] +#[diag(lint_unused_macro_use)] +pub struct UnusedMacroUse; + +#[derive(LintDiagnostic)] +#[diag(lint_private_extern_crate_reexport)] +pub struct PrivateExternCrateReexport { + pub ident: Ident, +} + +#[derive(LintDiagnostic)] +#[diag(lint_unused_label)] +pub struct UnusedLabel; + +#[derive(LintDiagnostic)] +#[diag(lint_macro_is_private)] +pub struct MacroIsPrivate { + pub ident: Ident, +} + +#[derive(LintDiagnostic)] +#[diag(lint_unused_macro_definition)] +pub struct UnusedMacroDefinition { + pub name: Symbol, +} + +#[derive(LintDiagnostic)] +#[diag(lint_macro_rule_never_used)] +pub struct MacroRuleNeverUsed { + pub n: usize, + pub name: Symbol, +} + +pub struct UnstableFeature { + pub msg: DiagMessage, +} + +impl<'a> LintDiagnostic<'a, ()> for UnstableFeature { + fn decorate_lint<'b>(self, _diag: &'b mut Diag<'a, ()>) {} + + fn msg(&self) -> DiagMessage { + self.msg.clone() + } +} + +#[derive(LintDiagnostic)] +#[diag(lint_avoid_intel_syntax)] +pub struct AvoidIntelSyntax; + +#[derive(LintDiagnostic)] +#[diag(lint_avoid_att_syntax)] +pub struct AvoidAttSyntax; + +#[derive(LintDiagnostic)] +#[diag(lint_incomplete_include)] +pub struct IncompleteInclude; + +#[derive(LintDiagnostic)] +#[diag(lint_unnameable_test_items)] +pub struct UnnameableTestItems; + +#[derive(LintDiagnostic)] +#[diag(lint_duplicate_macro_attribute)] +pub struct DuplicateMacroAttribute; + +#[derive(LintDiagnostic)] +#[diag(lint_cfg_attr_no_attributes)] +pub struct CfgAttrNoAttributes; + +#[derive(LintDiagnostic)] +#[diag(lint_crate_type_in_cfg_attr_deprecated)] +pub struct CrateTypeInCfgAttr; + +#[derive(LintDiagnostic)] +#[diag(lint_crate_name_in_cfg_attr_deprecated)] +pub struct CrateNameInCfgAttr; + +#[derive(LintDiagnostic)] +#[diag(lint_missing_fragment_specifier)] +pub struct MissingFragmentSpecifier; + +#[derive(LintDiagnostic)] +#[diag(lint_metavariable_still_repeating)] +pub struct MetaVariableStillRepeating { + pub name: MacroRulesNormalizedIdent, +} + +#[derive(LintDiagnostic)] +#[diag(lint_metavariable_wrong_operator)] +pub struct MetaVariableWrongOperator; + +#[derive(LintDiagnostic)] +#[diag(lint_duplicate_matcher_binding)] +pub struct DuplicateMatcherBinding; + +#[derive(LintDiagnostic)] +#[diag(lint_unknown_macro_variable)] +pub struct UnknownMacroVariable { + pub name: MacroRulesNormalizedIdent, +} + +#[derive(LintDiagnostic)] +#[diag(lint_unused_crate_dependency)] +pub struct UnusedCrateDependency { + pub extern_crate: Symbol, + pub local_crate: Symbol, +} + +#[derive(LintDiagnostic)] +#[diag(lint_wasm_c_abi)] +pub struct WasmCAbi; + +#[derive(LintDiagnostic)] +#[diag(lint_ill_formed_attribute_input)] +pub struct IllFormedAttributeInput { + pub num_suggestions: usize, + pub suggestions: DiagArgValue, +} + +#[derive(LintDiagnostic)] +pub enum InnerAttributeUnstable { + #[diag(lint_inner_macro_attribute_unstable)] + InnerMacroAttribute, + #[diag(lint_custom_inner_attribute_unstable)] + CustomInnerAttribute, +} + +#[derive(LintDiagnostic)] +#[diag(lint_unknown_diagnostic_attribute)] +pub struct UnknownDiagnosticAttribute { + #[subdiagnostic] + pub typo: Option, +} + +#[derive(Subdiagnostic)] +#[suggestion( + lint_unknown_diagnostic_attribute_typo_sugg, + style = "verbose", + code = "{typo_name}", + applicability = "machine-applicable" +)] +pub struct UnknownDiagnosticAttributeTypoSugg { + #[primary_span] + pub span: Span, + pub typo_name: Symbol, +} + +#[derive(LintDiagnostic)] +#[diag(lint_unicode_text_flow)] +#[note] +pub struct UnicodeTextFlow { + #[label] + pub comment_span: Span, + #[subdiagnostic] + pub characters: Vec, + #[subdiagnostic] + pub suggestions: Option, + + pub num_codepoints: usize, +} + +#[derive(Subdiagnostic)] +#[label(lint_label_comment_char)] +pub struct UnicodeCharNoteSub { + #[primary_span] + pub span: Span, + pub c_debug: String, +} + +#[derive(Subdiagnostic)] +#[multipart_suggestion(lint_suggestion, applicability = "machine-applicable", style = "hidden")] +pub struct UnicodeTextFlowSuggestion { + #[suggestion_part(code = "")] + pub spans: Vec, +} + +#[derive(LintDiagnostic)] +#[diag(lint_abs_path_with_module)] +pub struct AbsPathWithModule { + #[subdiagnostic] + pub sugg: AbsPathWithModuleSugg, +} + +#[derive(Subdiagnostic)] +#[suggestion(lint_suggestion, code = "{replacement}")] +pub struct AbsPathWithModuleSugg { + #[primary_span] + pub span: Span, + #[applicability] + pub applicability: Applicability, + pub replacement: String, +} + +#[derive(LintDiagnostic)] +#[diag(lint_proc_macro_derive_resolution_fallback)] +pub struct ProcMacroDeriveResolutionFallback { + #[label] + pub span: Span, + pub ns: Namespace, + pub ident: Ident, +} + +#[derive(LintDiagnostic)] +#[diag(lint_macro_expanded_macro_exports_accessed_by_absolute_paths)] +pub struct MacroExpandedMacroExportsAccessedByAbsolutePaths { + #[note] + pub definition: Span, +} + +#[derive(LintDiagnostic)] +#[diag(lint_hidden_lifetime_parameters)] +pub struct ElidedLifetimesInPaths { + #[subdiagnostic] + pub subdiag: ElidedLifetimeInPathSubdiag, +} + +#[derive(LintDiagnostic)] +#[diag(lint_invalid_crate_type_value)] +pub struct UnknownCrateTypes { + #[subdiagnostic] + pub sugg: Option, +} + +#[derive(Subdiagnostic)] +#[suggestion(lint_suggestion, code = r#""{candidate}""#, applicability = "maybe-incorrect")] +pub struct UnknownCrateTypesSub { + #[primary_span] + pub span: Span, + pub candidate: Symbol, +} + +#[derive(LintDiagnostic)] +#[diag(lint_unused_imports)] +pub struct UnusedImports { + #[subdiagnostic] + pub sugg: UnusedImportsSugg, + #[help] + pub test_module_span: Option, + + pub span_snippets: DiagArgValue, + pub num_snippets: usize, +} + +#[derive(Subdiagnostic)] +pub enum UnusedImportsSugg { + #[suggestion( + lint_suggestion_remove_whole_use, + applicability = "machine-applicable", + code = "", + style = "tool-only" + )] + RemoveWholeUse { + #[primary_span] + span: Span, + }, + #[multipart_suggestion( + lint_suggestion_remove_imports, + applicability = "machine-applicable", + style = "tool-only" + )] + RemoveImports { + #[suggestion_part(code = "")] + remove_spans: Vec, + num_to_remove: usize, + }, +} + +#[derive(LintDiagnostic)] +#[diag(lint_redundant_import)] +pub struct RedundantImport { + #[subdiagnostic] + pub subs: Vec, + + pub ident: Ident, +} + +#[derive(Subdiagnostic)] +pub enum RedundantImportSub { + #[label(lint_label_imported_here)] + ImportedHere(#[primary_span] Span), + #[label(lint_label_defined_here)] + DefinedHere(#[primary_span] Span), + #[label(lint_label_imported_prelude)] + ImportedPrelude(#[primary_span] Span), + #[label(lint_label_defined_prelude)] + DefinedPrelude(#[primary_span] Span), +} + +#[derive(LintDiagnostic)] +#[diag(lint_unused_doc_comment)] +#[help] +pub struct UnusedDocComment { + #[label] + pub span: Span, +} + +#[derive(LintDiagnostic)] +pub enum PatternsInFnsWithoutBody { + #[diag(lint_pattern_in_foreign)] + Foreign { + #[subdiagnostic] + sub: PatternsInFnsWithoutBodySub, + }, + #[diag(lint_pattern_in_bodiless)] + Bodiless { + #[subdiagnostic] + sub: PatternsInFnsWithoutBodySub, + }, +} + +#[derive(Subdiagnostic)] +#[suggestion(lint_remove_mut_from_pattern, code = "{ident}", applicability = "machine-applicable")] +pub struct PatternsInFnsWithoutBodySub { + #[primary_span] + pub span: Span, + + pub ident: Ident, +} + +#[derive(LintDiagnostic)] +#[diag(lint_extern_without_abi)] +#[help] +pub struct MissingAbi { + #[label] + pub span: Span, + + pub default_abi: &'static str, +} + +#[derive(LintDiagnostic)] +#[diag(lint_legacy_derive_helpers)] +pub struct LegacyDeriveHelpers { + #[label] + pub span: Span, +} + +#[derive(LintDiagnostic)] +#[diag(lint_proc_macro_back_compat)] +#[note] +pub struct ProcMacroBackCompat { + pub crate_name: String, + pub fixed_version: String, +} + +#[derive(LintDiagnostic)] +#[diag(lint_or_patterns_back_compat)] +pub struct OrPatternsBackCompat { + #[suggestion(code = "{suggestion}", applicability = "machine-applicable")] + pub span: Span, + pub suggestion: String, +} + +#[derive(LintDiagnostic)] +#[diag(lint_reserved_prefix)] +pub struct ReservedPrefix { + #[label] + pub label: Span, + #[suggestion(code = " ", applicability = "machine-applicable")] + pub suggestion: Span, + + pub prefix: String, +} + +#[derive(LintDiagnostic)] +#[diag(lint_unused_builtin_attribute)] +pub struct UnusedBuiltinAttribute { + #[note] + pub invoc_span: Span, + + pub attr_name: Symbol, + pub macro_name: String, +} + +#[derive(LintDiagnostic)] +#[diag(lint_trailing_semi_macro)] +pub struct TrailingMacro { + #[note(lint_note1)] + #[note(lint_note2)] + pub is_trailing: bool, + + pub name: Ident, +} + +#[derive(LintDiagnostic)] +#[diag(lint_break_with_label_and_loop)] +pub struct BreakWithLabelAndLoop { + #[subdiagnostic] + pub sub: BreakWithLabelAndLoopSub, +} + +#[derive(Subdiagnostic)] +#[multipart_suggestion(lint_suggestion, applicability = "machine-applicable")] +pub struct BreakWithLabelAndLoopSub { + #[suggestion_part(code = "(")] + pub left: Span, + #[suggestion_part(code = ")")] + pub right: Span, +} + +#[derive(LintDiagnostic)] +#[diag(lint_deprecated_where_clause_location)] +#[note] +pub struct DeprecatedWhereClauseLocation { + #[subdiagnostic] + pub suggestion: DeprecatedWhereClauseLocationSugg, +} + +#[derive(Subdiagnostic)] +pub enum DeprecatedWhereClauseLocationSugg { + #[multipart_suggestion(lint_suggestion_move_to_end, applicability = "machine-applicable")] + MoveToEnd { + #[suggestion_part(code = "")] + left: Span, + #[suggestion_part(code = "{sugg}")] + right: Span, + + sugg: String, + }, + #[suggestion(lint_suggestion_remove_where, code = "", applicability = "machine-applicable")] + RemoveWhere { + #[primary_span] + span: Span, + }, +} + +#[derive(LintDiagnostic)] +#[diag(lint_single_use_lifetime)] +pub struct SingleUseLifetime { + #[label(lint_label_param)] + pub param_span: Span, + #[label(lint_label_use)] + pub use_span: Span, + #[subdiagnostic] + pub suggestion: Option, + + pub ident: Ident, +} + +#[derive(Subdiagnostic)] +#[multipart_suggestion(lint_suggestion, applicability = "machine-applicable")] +pub struct SingleUseLifetimeSugg { + #[suggestion_part(code = "")] + pub deletion_span: Option, + #[suggestion_part(code = "{replace_lt}")] + pub use_span: Span, + + pub replace_lt: String, +} + +#[derive(LintDiagnostic)] +#[diag(lint_unused_lifetime)] +pub struct UnusedLifetime { + #[suggestion(code = "", applicability = "machine-applicable")] + pub deletion_span: Option, + + pub ident: Ident, +} + +#[derive(LintDiagnostic)] +#[diag(lint_named_argument_used_positionally)] +pub struct NamedArgumentUsedPositionally { + #[label(lint_label_named_arg)] + pub named_arg_sp: Span, + #[label(lint_label_position_arg)] + pub position_label_sp: Option, + #[suggestion(style = "verbose", code = "{name}", applicability = "maybe-incorrect")] + pub suggestion: Option, + + pub name: String, + pub named_arg_name: String, +} + +#[derive(LintDiagnostic)] +#[diag(lint_byte_slice_in_packed_struct_with_derive)] +#[help] +pub struct ByteSliceInPackedStructWithDerive { + // FIXME: make this translatable + pub ty: String, +} + +#[derive(LintDiagnostic)] +#[diag(lint_unused_extern_crate)] +pub struct UnusedExternCrate { + #[suggestion(code = "", applicability = "machine-applicable")] + pub removal_span: Span, +} + +#[derive(LintDiagnostic)] +#[diag(lint_extern_crate_not_idiomatic)] +pub struct ExternCrateNotIdiomatic { + #[suggestion(style = "verbose", code = "{code}", applicability = "machine-applicable")] + pub span: Span, + + pub code: &'static str, +} + +// FIXME: make this translatable +pub struct AmbiguousGlobImports { + pub ambiguity: AmbiguityErrorDiag, +} + +impl<'a, G: EmissionGuarantee> LintDiagnostic<'a, G> for AmbiguousGlobImports { + fn decorate_lint<'b>(self, diag: &'b mut Diag<'a, G>) { + rustc_errors::report_ambiguity_error(diag, self.ambiguity); + } + + fn msg(&self) -> DiagMessage { + DiagMessage::Str(self.ambiguity.msg.clone().into()) + } +} + +#[derive(LintDiagnostic)] +#[diag(lint_ambiguous_glob_reexport)] +pub struct AmbiguousGlobReexports { + #[label(lint_label_first_reexport)] + pub first_reexport: Span, + #[label(lint_label_duplicate_reexport)] + pub duplicate_reexport: Span, + + pub name: String, + // FIXME: make this translatable + pub namespace: String, +} + +#[derive(LintDiagnostic)] +#[diag(lint_hidden_glob_reexport)] +pub struct HiddenGlobReexports { + #[note(lint_note_glob_reexport)] + pub glob_reexport: Span, + #[note(lint_note_private_item)] + pub private_item: Span, + + pub name: String, + // FIXME: make this translatable + pub namespace: String, +} + +#[derive(LintDiagnostic)] +#[diag(lint_unnecessary_qualification)] +pub struct UnusedQualifications { + #[suggestion(style = "verbose", code = "", applicability = "machine-applicable")] + pub removal_span: Span, +} + +#[derive(LintDiagnostic)] +#[diag(lint_associated_const_elided_lifetime)] +pub struct AssociatedConstElidedLifetime { + #[suggestion(style = "verbose", code = "{code}", applicability = "machine-applicable")] + pub span: Span, + + pub code: &'static str, + pub elided: bool, +} + +#[derive(LintDiagnostic)] +#[diag(lint_redundant_import_visibility)] +pub struct RedundantImportVisibility { + #[note] + pub span: Span, + #[help] + pub help: (), + + pub import_vis: String, + pub max_vis: String, +} diff --git a/compiler/rustc_lint_defs/src/lib.rs b/compiler/rustc_lint_defs/src/lib.rs index 4dacafaaea69..8f3f6620cfcb 100644 --- a/compiler/rustc_lint_defs/src/lib.rs +++ b/compiler/rustc_lint_defs/src/lib.rs @@ -5,7 +5,7 @@ use rustc_data_structures::fx::{FxIndexMap, FxIndexSet}; use rustc_data_structures::stable_hasher::{ HashStable, StableCompare, StableHasher, ToStableHashKey, }; -use rustc_error_messages::MultiSpan; +use rustc_error_messages::{DiagMessage, MultiSpan}; use rustc_hir::def::Namespace; use rustc_hir::HashStableContext; use rustc_hir::HirId; @@ -591,8 +591,9 @@ pub enum BuiltinLintDiag { candidate: Option, }, UnusedImports { - fix_msg: String, - fixes: Vec<(Span, String)>, + remove_whole_use: bool, + num_to_remove: usize, + remove_spans: Vec, test_module_span: Option, span_snippets: Vec, }, @@ -617,7 +618,10 @@ pub enum BuiltinLintDiag { is_foreign: bool, }, LegacyDeriveHelpers(Span), - ProcMacroBackCompat(String), + ProcMacroBackCompat { + crate_name: String, + fixed_version: String, + }, OrPatternsBackCompat(Span, String), ReservedPrefix(Span, String), TrailingMacro(bool, Ident), @@ -625,7 +629,7 @@ pub enum BuiltinLintDiag { UnicodeTextFlow(Span, String), UnexpectedCfgName((Symbol, Span), Option<(Symbol, Span)>), UnexpectedCfgValue((Symbol, Span), Option<(Symbol, Span)>), - DeprecatedWhereclauseLocation(Option<(Span, String)>), + DeprecatedWhereclauseLocation(Span, Option<(Span, String)>), SingleUseLifetime { /// Span of the parameter which declares this lifetime. param_span: Span, @@ -708,7 +712,7 @@ pub enum BuiltinLintDiag { MacroIsPrivate(Ident), UnusedMacroDefinition(Symbol), MacroRuleNeverUsed(usize, Symbol), - UnstableFeature(String), + UnstableFeature(DiagMessage), AvoidUsingIntelSyntax, AvoidUsingAttSyntax, IncompleteInclude, @@ -722,8 +726,7 @@ pub enum BuiltinLintDiag { MetaVariableWrongOperator, DuplicateMatcherBinding, UnknownMacroVariable(MacroRulesNormalizedIdent), - // FIXME: combine with UnusedExternCrate? - UnusedExternCrate2 { + UnusedCrateDependency { extern_crate: Symbol, local_crate: Symbol, }, diff --git a/compiler/rustc_metadata/src/creader.rs b/compiler/rustc_metadata/src/creader.rs index 394222cdb357..770088e05f9b 100644 --- a/compiler/rustc_metadata/src/creader.rs +++ b/compiler/rustc_metadata/src/creader.rs @@ -978,7 +978,7 @@ impl<'a, 'tcx> CrateLoader<'a, 'tcx> { lint::builtin::UNUSED_CRATE_DEPENDENCIES, span, ast::CRATE_NODE_ID, - BuiltinLintDiag::UnusedExternCrate2 { + BuiltinLintDiag::UnusedCrateDependency { extern_crate: name_interned, local_crate: self.tcx.crate_name(LOCAL_CRATE), }, diff --git a/compiler/rustc_middle/src/middle/stability.rs b/compiler/rustc_middle/src/middle/stability.rs index 37d2c6a70785..0451ab4a06b2 100644 --- a/compiler/rustc_middle/src/middle/stability.rs +++ b/compiler/rustc_middle/src/middle/stability.rs @@ -154,19 +154,6 @@ pub struct Deprecated { pub since_kind: DeprecatedSinceKind, } -impl Deprecated { - // FIXME: remove - pub fn msg_for_since_kind(since_kind: &DeprecatedSinceKind) -> rustc_errors::DiagMessage { - match since_kind { - DeprecatedSinceKind::InEffect => crate::fluent_generated::middle_deprecated, - DeprecatedSinceKind::InFuture => crate::fluent_generated::middle_deprecated_in_future, - DeprecatedSinceKind::InVersion(_) => { - crate::fluent_generated::middle_deprecated_in_version - } - } - } -} - impl<'a, G: EmissionGuarantee> rustc_errors::LintDiagnostic<'a, G> for Deprecated { fn decorate_lint<'b>(self, diag: &'b mut Diag<'a, G>) { diag.arg("kind", self.kind); @@ -186,7 +173,13 @@ impl<'a, G: EmissionGuarantee> rustc_errors::LintDiagnostic<'a, G> for Deprecate } fn msg(&self) -> rustc_errors::DiagMessage { - Self::msg_for_since_kind(&self.since_kind) + match &self.since_kind { + DeprecatedSinceKind::InEffect => crate::fluent_generated::middle_deprecated, + DeprecatedSinceKind::InFuture => crate::fluent_generated::middle_deprecated_in_future, + DeprecatedSinceKind::InVersion(_) => { + crate::fluent_generated::middle_deprecated_in_version + } + } } } diff --git a/compiler/rustc_resolve/src/check_unused.rs b/compiler/rustc_resolve/src/check_unused.rs index 55b2d91260e9..93b53f510fca 100644 --- a/compiler/rustc_resolve/src/check_unused.rs +++ b/compiler/rustc_resolve/src/check_unused.rs @@ -433,20 +433,12 @@ impl Resolver<'_, '_> { visitor.report_unused_extern_crate_items(maybe_unused_extern_crates); for unused in visitor.unused_imports.values() { - let mut fixes = Vec::new(); - let spans = match calc_unused_spans(unused, &unused.use_tree, unused.use_tree_id) { - UnusedSpanResult::Used => continue, - UnusedSpanResult::Unused { spans, remove } => { - fixes.push((remove, String::new())); - spans - } - UnusedSpanResult::PartialUnused { spans, remove } => { - for fix in &remove { - fixes.push((*fix, String::new())); - } - spans - } - }; + let (spans, remove_spans) = + match calc_unused_spans(unused, &unused.use_tree, unused.use_tree_id) { + UnusedSpanResult::Used => continue, + UnusedSpanResult::Unused { spans, remove } => (spans, vec![remove]), + UnusedSpanResult::PartialUnused { spans, remove } => (spans, remove), + }; let ms = MultiSpan::from_spans(spans); @@ -458,13 +450,8 @@ impl Resolver<'_, '_> { .collect::>(); span_snippets.sort(); - let fix_msg = if fixes.len() == 1 && fixes[0].0 == unused.item_span { - "remove the whole `use` item" - } else if ms.primary_spans().len() > 1 { - "remove the unused imports" - } else { - "remove the unused import" - }; + let remove_whole_use = remove_spans.len() == 1 && remove_spans[0] == unused.item_span; + let num_to_remove = ms.primary_spans().len(); // If we are in the `--test` mode, suppress a help that adds the `#[cfg(test)]` // attribute; however, if not, suggest adding the attribute. There is no way to @@ -495,8 +482,9 @@ impl Resolver<'_, '_> { unused.use_tree_id, ms, BuiltinLintDiag::UnusedImports { - fix_msg: fix_msg.into(), - fixes, + remove_whole_use, + num_to_remove, + remove_spans, test_module_span, span_snippets, }, diff --git a/compiler/rustc_resolve/src/macros.rs b/compiler/rustc_resolve/src/macros.rs index 74f55d0a19ce..f7073ee9a01f 100644 --- a/compiler/rustc_resolve/src/macros.rs +++ b/compiler/rustc_resolve/src/macros.rs @@ -847,7 +847,10 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { lint, node_id, span, - BuiltinLintDiag::UnstableFeature(msg), + BuiltinLintDiag::UnstableFeature( + // FIXME make this translatable + msg.into(), + ), ) }; stability::report_unstable( diff --git a/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs-error.rs b/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs-error.rs index bd3b69c2b4a6..ca60bc62b518 100644 --- a/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs-error.rs +++ b/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs-error.rs @@ -45,7 +45,7 @@ mod inline { //~| NOTE not a function or closure #[inline = "2100"] fn f() { } - //~^ ERROR attribute must be of the form + //~^ ERROR valid forms for the attribute are //~| WARN this was previously accepted //~| NOTE #[deny(ill_formed_attribute_input)]` on by default //~| NOTE for more information, see issue #57571 diff --git a/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs-error.stderr b/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs-error.stderr index 89fa2abffc2f..ac2bf78157d2 100644 --- a/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs-error.stderr +++ b/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs-error.stderr @@ -7,7 +7,7 @@ LL | #![rustc_main] = help: add `#![feature(rustc_attrs)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date -error: attribute must be of the form `#[inline]` or `#[inline(always|never)]` +error: valid forms for the attribute are `#[inline]` and `#[inline(always|never)]` --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:47:5 | LL | #[inline = "2100"] fn f() { } diff --git a/tests/ui/lint/anonymous-reexport.stderr b/tests/ui/lint/anonymous-reexport.stderr index e3854a5459ec..c4ee18fe8da2 100644 --- a/tests/ui/lint/anonymous-reexport.stderr +++ b/tests/ui/lint/anonymous-reexport.stderr @@ -34,7 +34,7 @@ error: unused import: `Bar as _` LL | pub use self::my_mod::{Bar as _, Foo as _}; | ^^^^^^^^ -error: unused imports: `Bar as _`, `TyBar as _` +error: unused imports: `Bar as _` and `TyBar as _` --> $DIR/anonymous-reexport.rs:17:24 | LL | pub use self::my_mod::{Bar as _, TyBar as _}; diff --git a/tests/ui/lint/unused/import_remove_line.stderr b/tests/ui/lint/unused/import_remove_line.stderr index 0e8c5de3558e..b2a16669a939 100644 --- a/tests/ui/lint/unused/import_remove_line.stderr +++ b/tests/ui/lint/unused/import_remove_line.stderr @@ -1,4 +1,4 @@ -warning: unused imports: `Duration`, `Instant` +warning: unused imports: `Duration` and `Instant` --> $DIR/import_remove_line.rs:7:17 | LL | use std::time::{Duration, Instant}; diff --git a/tests/ui/lint/unused/lint-unused-imports.rs b/tests/ui/lint/unused/lint-unused-imports.rs index 88f2baa5da9b..710fb7a5ed12 100644 --- a/tests/ui/lint/unused/lint-unused-imports.rs +++ b/tests/ui/lint/unused/lint-unused-imports.rs @@ -10,7 +10,7 @@ use std::fmt::{}; // Should get errors for both 'Some' and 'None' use std::option::Option::{Some, None}; -//~^ ERROR unused imports: `None`, `Some` +//~^ ERROR unused imports: `None` and `Some` use test::A; //~ ERROR unused import: `test::A` // Be sure that if we just bring some methods into scope that they're also diff --git a/tests/ui/lint/unused/lint-unused-imports.stderr b/tests/ui/lint/unused/lint-unused-imports.stderr index 07684a84a64f..a848fb31ebab 100644 --- a/tests/ui/lint/unused/lint-unused-imports.stderr +++ b/tests/ui/lint/unused/lint-unused-imports.stderr @@ -10,7 +10,7 @@ note: the lint level is defined here LL | #![deny(unused_imports)] | ^^^^^^^^^^^^^^ -error: unused imports: `None`, `Some` +error: unused imports: `None` and `Some` --> $DIR/lint-unused-imports.rs:12:27 | LL | use std::option::Option::{Some, None}; diff --git a/tests/ui/malformed/malformed-regressions.rs b/tests/ui/malformed/malformed-regressions.rs index ac1444bbaef4..f0a7aac59c1c 100644 --- a/tests/ui/malformed/malformed-regressions.rs +++ b/tests/ui/malformed/malformed-regressions.rs @@ -1,8 +1,8 @@ -#[doc] //~ ERROR attribute must be of the form +#[doc] //~ ERROR valid forms for the attribute are //~^ WARN this was previously accepted -#[ignore()] //~ ERROR attribute must be of the form +#[ignore()] //~ ERROR valid forms for the attribute are //~^ WARN this was previously accepted -#[inline = ""] //~ ERROR attribute must be of the form +#[inline = ""] //~ ERROR valid forms for the attribute are //~^ WARN this was previously accepted #[link] //~ ERROR attribute must be of the form //~^ WARN this was previously accepted diff --git a/tests/ui/malformed/malformed-regressions.stderr b/tests/ui/malformed/malformed-regressions.stderr index 9bfbe7ebafd7..e1dbdb9ab3c6 100644 --- a/tests/ui/malformed/malformed-regressions.stderr +++ b/tests/ui/malformed/malformed-regressions.stderr @@ -1,4 +1,4 @@ -error: attribute must be of the form `#[doc(hidden|inline|...)]` or `#[doc = "string"]` +error: valid forms for the attribute are `#[doc(hidden|inline|...)]` and `#[doc = "string"]` --> $DIR/malformed-regressions.rs:1:1 | LL | #[doc] @@ -8,7 +8,7 @@ LL | #[doc] = note: for more information, see issue #57571 = note: `#[deny(ill_formed_attribute_input)]` on by default -error: attribute must be of the form `#[ignore]` or `#[ignore = "reason"]` +error: valid forms for the attribute are `#[ignore]` and `#[ignore = "reason"]` --> $DIR/malformed-regressions.rs:3:1 | LL | #[ignore()] @@ -17,7 +17,7 @@ LL | #[ignore()] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #57571 -error: attribute must be of the form `#[inline]` or `#[inline(always|never)]` +error: valid forms for the attribute are `#[inline]` and `#[inline(always|never)]` --> $DIR/malformed-regressions.rs:5:1 | LL | #[inline = ""] diff --git a/tests/ui/privacy/issue-46209-private-enum-variant-reexport.rs b/tests/ui/privacy/issue-46209-private-enum-variant-reexport.rs index 653dcab57714..796ba4d23320 100644 --- a/tests/ui/privacy/issue-46209-private-enum-variant-reexport.rs +++ b/tests/ui/privacy/issue-46209-private-enum-variant-reexport.rs @@ -6,7 +6,7 @@ mod rank { pub use self::Lieutenant::{JuniorGrade, Full}; //~^ ERROR `JuniorGrade` is private, and cannot be re-exported //~| ERROR `Full` is private, and cannot be re-exported - //~| ERROR unused imports: `Full`, `JuniorGrade` + //~| ERROR unused imports: `Full` and `JuniorGrade` pub use self::PettyOfficer::*; //~^ ERROR glob import doesn't reexport anything //~| ERROR unused import: `self::PettyOfficer::*` diff --git a/tests/ui/privacy/issue-46209-private-enum-variant-reexport.stderr b/tests/ui/privacy/issue-46209-private-enum-variant-reexport.stderr index 93a39edbb823..f1701d547a62 100644 --- a/tests/ui/privacy/issue-46209-private-enum-variant-reexport.stderr +++ b/tests/ui/privacy/issue-46209-private-enum-variant-reexport.stderr @@ -46,7 +46,7 @@ error: unused import: `self::Professor::*` LL | pub use self::Professor::*; | ^^^^^^^^^^^^^^^^^^ -error: unused imports: `Full`, `JuniorGrade` +error: unused imports: `Full` and `JuniorGrade` --> $DIR/issue-46209-private-enum-variant-reexport.rs:6:32 | LL | pub use self::Lieutenant::{JuniorGrade, Full}; diff --git a/tests/ui/span/multispan-import-lint.stderr b/tests/ui/span/multispan-import-lint.stderr index 4a955d1b31f5..a4ea1af237bd 100644 --- a/tests/ui/span/multispan-import-lint.stderr +++ b/tests/ui/span/multispan-import-lint.stderr @@ -1,4 +1,4 @@ -warning: unused imports: `Eq`, `Ord`, `PartialEq`, `PartialOrd` +warning: unused imports: `Eq`, `Ord`, `PartialEq`, and `PartialOrd` --> $DIR/multispan-import-lint.rs:5:16 | LL | use std::cmp::{Eq, Ord, min, PartialEq, PartialOrd}; diff --git a/tests/ui/suggestions/unused-imports.stderr b/tests/ui/suggestions/unused-imports.stderr index bf112608da7e..31edb4e5ec20 100644 --- a/tests/ui/suggestions/unused-imports.stderr +++ b/tests/ui/suggestions/unused-imports.stderr @@ -1,4 +1,4 @@ -warning: unused imports: `A`, `C` +warning: unused imports: `A` and `C` --> $DIR/unused-imports.rs:22:14 | LL | use nested::{A, B, C}; @@ -10,7 +10,7 @@ note: the lint level is defined here LL | #![warn(unused_imports)] | ^^^^^^^^^^^^^^ -warning: unused imports: `D`, `E`, `G` +warning: unused imports: `D`, `E`, and `G` --> $DIR/unused-imports.rs:26:5 | LL | D, diff --git a/tests/ui/use/use-nested-groups-unused-imports.rs b/tests/ui/use/use-nested-groups-unused-imports.rs index ca6b8ba94d1c..0c8ae558a597 100644 --- a/tests/ui/use/use-nested-groups-unused-imports.rs +++ b/tests/ui/use/use-nested-groups-unused-imports.rs @@ -13,7 +13,7 @@ mod foo { } use foo::{Foo, bar::{baz::{}, foobar::*}, *}; - //~^ ERROR unused imports: `*`, `Foo`, `baz::{}`, `foobar::*` + //~^ ERROR unused imports: `*`, `Foo`, `baz::{}`, and `foobar::*` use foo::bar::baz::{*, *}; //~^ ERROR unused import: `*` use foo::{}; diff --git a/tests/ui/use/use-nested-groups-unused-imports.stderr b/tests/ui/use/use-nested-groups-unused-imports.stderr index 6610f8ecd4a2..dd39a852772c 100644 --- a/tests/ui/use/use-nested-groups-unused-imports.stderr +++ b/tests/ui/use/use-nested-groups-unused-imports.stderr @@ -1,4 +1,4 @@ -error: unused imports: `*`, `Foo`, `baz::{}`, `foobar::*` +error: unused imports: `*`, `Foo`, `baz::{}`, and `foobar::*` --> $DIR/use-nested-groups-unused-imports.rs:15:11 | LL | use foo::{Foo, bar::{baz::{}, foobar::*}, *}; From c4f6502c6d0a31383d5b0f3280d97388897980d4 Mon Sep 17 00:00:00 2001 From: Xiretza Date: Thu, 11 Apr 2024 17:46:00 +0000 Subject: [PATCH 0379/1716] Fix typo in deprecation lint message --- compiler/rustc_lint/messages.ftl | 4 ++-- .../future-compat-crate-attributes-using-cfg_attr.stderr | 8 ++++---- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index 0cd6f1caebff..6f6480a49641 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -193,10 +193,10 @@ lint_confusable_identifier_pair = found both `{$existing_sym}` and `{$sym}` as i .other_use = other identifier used here lint_crate_name_in_cfg_attr_deprecated = - `crate_name` within an `#![cfg_attr] attribute is deprecated` + `crate_name` within an `#![cfg_attr]` attribute is deprecated lint_crate_type_in_cfg_attr_deprecated = - `crate_type` within an `#![cfg_attr] attribute is deprecated` + `crate_type` within an `#![cfg_attr]` attribute is deprecated lint_cstring_ptr = getting the inner pointer of a temporary `CString` .as_ptr_label = this pointer will be invalid diff --git a/tests/ui/cfg/future-compat-crate-attributes-using-cfg_attr.stderr b/tests/ui/cfg/future-compat-crate-attributes-using-cfg_attr.stderr index 75df314e0baa..82b2d7d1b1da 100644 --- a/tests/ui/cfg/future-compat-crate-attributes-using-cfg_attr.stderr +++ b/tests/ui/cfg/future-compat-crate-attributes-using-cfg_attr.stderr @@ -1,4 +1,4 @@ -error: `crate_type` within an `#![cfg_attr] attribute is deprecated` +error: `crate_type` within an `#![cfg_attr]` attribute is deprecated --> $DIR/future-compat-crate-attributes-using-cfg_attr.rs:4:18 | LL | #![cfg_attr(foo, crate_type="bin")] @@ -8,7 +8,7 @@ LL | #![cfg_attr(foo, crate_type="bin")] = note: for more information, see issue #91632 = note: `#[deny(deprecated_cfg_attr_crate_type_name)]` on by default -error: `crate_name` within an `#![cfg_attr] attribute is deprecated` +error: `crate_name` within an `#![cfg_attr]` attribute is deprecated --> $DIR/future-compat-crate-attributes-using-cfg_attr.rs:9:18 | LL | #![cfg_attr(foo, crate_name="bar")] @@ -17,7 +17,7 @@ LL | #![cfg_attr(foo, crate_name="bar")] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #91632 -error: `crate_type` within an `#![cfg_attr] attribute is deprecated` +error: `crate_type` within an `#![cfg_attr]` attribute is deprecated --> $DIR/future-compat-crate-attributes-using-cfg_attr.rs:4:18 | LL | #![cfg_attr(foo, crate_type="bin")] @@ -27,7 +27,7 @@ LL | #![cfg_attr(foo, crate_type="bin")] = note: for more information, see issue #91632 = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -error: `crate_name` within an `#![cfg_attr] attribute is deprecated` +error: `crate_name` within an `#![cfg_attr]` attribute is deprecated --> $DIR/future-compat-crate-attributes-using-cfg_attr.rs:9:18 | LL | #![cfg_attr(foo, crate_name="bar")] From 98dd6c7e8f33966221216200182175672294a719 Mon Sep 17 00:00:00 2001 From: Xiretza Date: Mon, 20 May 2024 17:47:54 +0000 Subject: [PATCH 0380/1716] Rename buffer_lint_with_diagnostic to buffer_lint --- compiler/rustc_ast_passes/src/ast_validation.rs | 6 +++--- compiler/rustc_attr/src/builtin.rs | 4 ++-- compiler/rustc_builtin_macros/src/asm.rs | 4 ++-- .../rustc_builtin_macros/src/deriving/generic/mod.rs | 2 +- compiler/rustc_builtin_macros/src/source_util.rs | 2 +- compiler/rustc_builtin_macros/src/test_harness.rs | 2 +- compiler/rustc_builtin_macros/src/util.rs | 2 +- compiler/rustc_expand/src/base.rs | 2 +- compiler/rustc_expand/src/config.rs | 6 +++--- compiler/rustc_expand/src/expand.rs | 4 ++-- compiler/rustc_expand/src/mbe/macro_check.rs | 4 ++-- compiler/rustc_expand/src/mbe/macro_rules.rs | 4 ++-- compiler/rustc_interface/src/util.rs | 2 +- compiler/rustc_lint_defs/src/lib.rs | 2 +- compiler/rustc_metadata/src/creader.rs | 4 ++-- compiler/rustc_middle/src/middle/stability.rs | 2 +- compiler/rustc_parse/src/lexer/mod.rs | 4 ++-- compiler/rustc_parse/src/parser/expr.rs | 2 +- compiler/rustc_parse/src/validate_attr.rs | 2 +- compiler/rustc_resolve/src/check_unused.rs | 12 ++++++------ compiler/rustc_resolve/src/diagnostics.rs | 6 +++--- compiler/rustc_resolve/src/ident.rs | 2 +- compiler/rustc_resolve/src/imports.rs | 8 ++++---- compiler/rustc_resolve/src/late.rs | 6 +++--- compiler/rustc_resolve/src/late/diagnostics.rs | 4 ++-- compiler/rustc_resolve/src/lib.rs | 2 +- compiler/rustc_resolve/src/macros.rs | 12 ++++++------ compiler/rustc_session/src/parse.rs | 2 +- 28 files changed, 57 insertions(+), 57 deletions(-) diff --git a/compiler/rustc_ast_passes/src/ast_validation.rs b/compiler/rustc_ast_passes/src/ast_validation.rs index b1158dc6fcaf..c57be3cdf353 100644 --- a/compiler/rustc_ast_passes/src/ast_validation.rs +++ b/compiler/rustc_ast_passes/src/ast_validation.rs @@ -765,7 +765,7 @@ impl<'a> AstValidator<'a> { .span_to_snippet(span) .is_ok_and(|snippet| !snippet.starts_with("#[")) { - self.lint_buffer.buffer_lint_with_diagnostic( + self.lint_buffer.buffer_lint( MISSING_ABI, id, span, @@ -1426,7 +1426,7 @@ impl<'a> Visitor<'a> for AstValidator<'a> { Self::check_decl_no_pat(&sig.decl, |span, ident, mut_ident| { if mut_ident && matches!(ctxt, FnCtxt::Assoc(_)) { if let Some(ident) = ident { - self.lint_buffer.buffer_lint_with_diagnostic( + self.lint_buffer.buffer_lint( PATTERNS_IN_FNS_WITHOUT_BODY, id, span, @@ -1506,7 +1506,7 @@ impl<'a> Visitor<'a> for AstValidator<'a> { Some((right, snippet)) } }; - self.lint_buffer.buffer_lint_with_diagnostic( + self.lint_buffer.buffer_lint( DEPRECATED_WHERE_CLAUSE_LOCATION, item.id, err.span, diff --git a/compiler/rustc_attr/src/builtin.rs b/compiler/rustc_attr/src/builtin.rs index 1ac2e15c3275..5113c5adc8f7 100644 --- a/compiler/rustc_attr/src/builtin.rs +++ b/compiler/rustc_attr/src/builtin.rs @@ -528,7 +528,7 @@ pub fn cfg_matches( try_gate_cfg(cfg.name, cfg.span, sess, features); match sess.psess.check_config.expecteds.get(&cfg.name) { Some(ExpectedValues::Some(values)) if !values.contains(&cfg.value) => { - sess.psess.buffer_lint_with_diagnostic( + sess.psess.buffer_lint( UNEXPECTED_CFGS, cfg.span, lint_node_id, @@ -539,7 +539,7 @@ pub fn cfg_matches( ); } None if sess.psess.check_config.exhaustive_names => { - sess.psess.buffer_lint_with_diagnostic( + sess.psess.buffer_lint( UNEXPECTED_CFGS, cfg.span, lint_node_id, diff --git a/compiler/rustc_builtin_macros/src/asm.rs b/compiler/rustc_builtin_macros/src/asm.rs index bf2a5813af60..1a7961bf70c1 100644 --- a/compiler/rustc_builtin_macros/src/asm.rs +++ b/compiler/rustc_builtin_macros/src/asm.rs @@ -510,7 +510,7 @@ fn expand_preparsed_asm( }; if template_str.contains(".intel_syntax") { - ecx.psess().buffer_lint_with_diagnostic( + ecx.psess().buffer_lint( lint::builtin::BAD_ASM_STYLE, find_span(".intel_syntax"), ecx.current_expansion.lint_node_id, @@ -518,7 +518,7 @@ fn expand_preparsed_asm( ); } if template_str.contains(".att_syntax") { - ecx.psess().buffer_lint_with_diagnostic( + ecx.psess().buffer_lint( lint::builtin::BAD_ASM_STYLE, find_span(".att_syntax"), ecx.current_expansion.lint_node_id, diff --git a/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs b/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs index 18dca4b2615d..217fa5ff9f1e 100644 --- a/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs +++ b/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs @@ -1621,7 +1621,7 @@ impl<'a> TraitDef<'a> { }; if let Some(ty) = exception { - cx.sess.psess.buffer_lint_with_diagnostic( + cx.sess.psess.buffer_lint( BYTE_SLICE_IN_PACKED_STRUCT_WITH_DERIVE, sp, ast::CRATE_NODE_ID, diff --git a/compiler/rustc_builtin_macros/src/source_util.rs b/compiler/rustc_builtin_macros/src/source_util.rs index 15d2546ba866..29e991525a9b 100644 --- a/compiler/rustc_builtin_macros/src/source_util.rs +++ b/compiler/rustc_builtin_macros/src/source_util.rs @@ -144,7 +144,7 @@ pub(crate) fn expand_include<'cx>( fn make_expr(mut self: Box>) -> Option> { let expr = parse_expr(&mut self.p).ok()?; if self.p.token != token::Eof { - self.p.psess.buffer_lint_with_diagnostic( + self.p.psess.buffer_lint( INCOMPLETE_INCLUDE, self.p.token.span, self.node_id, diff --git a/compiler/rustc_builtin_macros/src/test_harness.rs b/compiler/rustc_builtin_macros/src/test_harness.rs index f6c35a75228a..38ac2f15fe75 100644 --- a/compiler/rustc_builtin_macros/src/test_harness.rs +++ b/compiler/rustc_builtin_macros/src/test_harness.rs @@ -160,7 +160,7 @@ struct InnerItemLinter<'a> { impl<'a> Visitor<'a> for InnerItemLinter<'_> { fn visit_item(&mut self, i: &'a ast::Item) { if let Some(attr) = attr::find_by_name(&i.attrs, sym::rustc_test_marker) { - self.sess.psess.buffer_lint_with_diagnostic( + self.sess.psess.buffer_lint( UNNAMEABLE_TEST_ITEMS, attr.span, i.id, diff --git a/compiler/rustc_builtin_macros/src/util.rs b/compiler/rustc_builtin_macros/src/util.rs index f08238ad4606..652e34268ea9 100644 --- a/compiler/rustc_builtin_macros/src/util.rs +++ b/compiler/rustc_builtin_macros/src/util.rs @@ -42,7 +42,7 @@ pub(crate) fn warn_on_duplicate_attribute(ecx: &ExtCtxt<'_>, item: &Annotatable, }; if let Some(attrs) = attrs { if let Some(attr) = attr::find_by_name(attrs, name) { - ecx.psess().buffer_lint_with_diagnostic( + ecx.psess().buffer_lint( DUPLICATE_MACRO_ATTRIBUTES, attr.span, ecx.current_expansion.lint_node_id, diff --git a/compiler/rustc_expand/src/base.rs b/compiler/rustc_expand/src/base.rs index 77db801c76f3..91af8758e516 100644 --- a/compiler/rustc_expand/src/base.rs +++ b/compiler/rustc_expand/src/base.rs @@ -1364,7 +1364,7 @@ fn pretty_printing_compatibility_hack(item: &Item, sess: &Session) -> bool { }; if crate_matches { - sess.psess.buffer_lint_with_diagnostic( + sess.psess.buffer_lint( PROC_MACRO_BACK_COMPAT, item.ident.span, ast::CRATE_NODE_ID, diff --git a/compiler/rustc_expand/src/config.rs b/compiler/rustc_expand/src/config.rs index 45d87d5e5a5e..badfa6d3aa32 100644 --- a/compiler/rustc_expand/src/config.rs +++ b/compiler/rustc_expand/src/config.rs @@ -258,7 +258,7 @@ impl<'a> StripUnconfigured<'a> { // Lint on zero attributes in source. if expanded_attrs.is_empty() { - self.sess.psess.buffer_lint_with_diagnostic( + self.sess.psess.buffer_lint( rustc_lint_defs::builtin::UNUSED_ATTRIBUTES, attr.span, ast::CRATE_NODE_ID, @@ -341,7 +341,7 @@ impl<'a> StripUnconfigured<'a> { item_span, ); if attr.has_name(sym::crate_type) { - self.sess.psess.buffer_lint_with_diagnostic( + self.sess.psess.buffer_lint( rustc_lint_defs::builtin::DEPRECATED_CFG_ATTR_CRATE_TYPE_NAME, attr.span, ast::CRATE_NODE_ID, @@ -349,7 +349,7 @@ impl<'a> StripUnconfigured<'a> { ); } if attr.has_name(sym::crate_name) { - self.sess.psess.buffer_lint_with_diagnostic( + self.sess.psess.buffer_lint( rustc_lint_defs::builtin::DEPRECATED_CFG_ATTR_CRATE_TYPE_NAME, attr.span, ast::CRATE_NODE_ID, diff --git a/compiler/rustc_expand/src/expand.rs b/compiler/rustc_expand/src/expand.rs index 02e4f5e0f9e1..d8f0f221189a 100644 --- a/compiler/rustc_expand/src/expand.rs +++ b/compiler/rustc_expand/src/expand.rs @@ -1799,7 +1799,7 @@ impl<'a, 'b> InvocationCollector<'a, 'b> { } if attr.is_doc_comment() { - self.cx.sess.psess.buffer_lint_with_diagnostic( + self.cx.sess.psess.buffer_lint( UNUSED_DOC_COMMENTS, current_span, self.cx.current_expansion.lint_node_id, @@ -1810,7 +1810,7 @@ impl<'a, 'b> InvocationCollector<'a, 'b> { // `#[cfg]` and `#[cfg_attr]` are special - they are // eagerly evaluated. if attr_name != sym::cfg && attr_name != sym::cfg_attr { - self.cx.sess.psess.buffer_lint_with_diagnostic( + self.cx.sess.psess.buffer_lint( UNUSED_ATTRIBUTES, attr.span, self.cx.current_expansion.lint_node_id, diff --git a/compiler/rustc_expand/src/mbe/macro_check.rs b/compiler/rustc_expand/src/mbe/macro_check.rs index 63eeefa314c3..72dbbde54b31 100644 --- a/compiler/rustc_expand/src/mbe/macro_check.rs +++ b/compiler/rustc_expand/src/mbe/macro_check.rs @@ -268,7 +268,7 @@ fn check_binders( // FIXME: Report this as a hard error eventually and remove equivalent errors from // `parse_tt_inner` and `nameize`. Until then the error may be reported twice, once // as a hard error and then once as a buffered lint. - psess.buffer_lint_with_diagnostic( + psess.buffer_lint( MISSING_FRAGMENT_SPECIFIER, span, node_id, @@ -646,6 +646,6 @@ fn ops_is_prefix( fn buffer_lint(psess: &ParseSess, span: MultiSpan, node_id: NodeId, diag: BuiltinLintDiag) { // Macros loaded from other crates have dummy node ids. if node_id != DUMMY_NODE_ID { - psess.buffer_lint_with_diagnostic(META_VARIABLE_MISUSE, span, node_id, diag); + psess.buffer_lint(META_VARIABLE_MISUSE, span, node_id, diag); } } diff --git a/compiler/rustc_expand/src/mbe/macro_rules.rs b/compiler/rustc_expand/src/mbe/macro_rules.rs index fee7ba099aad..d99ecb610852 100644 --- a/compiler/rustc_expand/src/mbe/macro_rules.rs +++ b/compiler/rustc_expand/src/mbe/macro_rules.rs @@ -79,7 +79,7 @@ impl<'a> ParserAnyMacro<'a> { // but `m!()` is allowed in expression positions (cf. issue #34706). if kind == AstFragmentKind::Expr && parser.token == token::Semi { if is_local { - parser.psess.buffer_lint_with_diagnostic( + parser.psess.buffer_lint( SEMICOLON_IN_EXPRESSIONS_FROM_MACROS, parser.token.span, lint_node_id, @@ -1153,7 +1153,7 @@ fn check_matcher_core<'tt>( name, Some(NonterminalKind::PatParam { inferred: false }), )); - sess.psess.buffer_lint_with_diagnostic( + sess.psess.buffer_lint( RUST_2021_INCOMPATIBLE_OR_PATTERNS, span, ast::CRATE_NODE_ID, diff --git a/compiler/rustc_interface/src/util.rs b/compiler/rustc_interface/src/util.rs index cb25bcac3685..987e48a1a76f 100644 --- a/compiler/rustc_interface/src/util.rs +++ b/compiler/rustc_interface/src/util.rs @@ -404,7 +404,7 @@ pub(crate) fn check_attr_crate_type( n, None, ); - lint_buffer.buffer_lint_with_diagnostic( + lint_buffer.buffer_lint( lint::builtin::UNKNOWN_CRATE_TYPES, ast::CRATE_NODE_ID, span, diff --git a/compiler/rustc_lint_defs/src/lib.rs b/compiler/rustc_lint_defs/src/lib.rs index 8f3f6620cfcb..1941b0b12643 100644 --- a/compiler/rustc_lint_defs/src/lib.rs +++ b/compiler/rustc_lint_defs/src/lib.rs @@ -784,7 +784,7 @@ impl LintBuffer { self.map.swap_remove(&id).unwrap_or_default() } - pub fn buffer_lint_with_diagnostic( + pub fn buffer_lint( &mut self, lint: &'static Lint, id: NodeId, diff --git a/compiler/rustc_metadata/src/creader.rs b/compiler/rustc_metadata/src/creader.rs index 770088e05f9b..be1a73ef0a7d 100644 --- a/compiler/rustc_metadata/src/creader.rs +++ b/compiler/rustc_metadata/src/creader.rs @@ -974,7 +974,7 @@ impl<'a, 'tcx> CrateLoader<'a, 'tcx> { continue; } - self.sess.psess.buffer_lint_with_diagnostic( + self.sess.psess.buffer_lint( lint::builtin::UNUSED_CRATE_DEPENDENCIES, span, ast::CRATE_NODE_ID, @@ -1015,7 +1015,7 @@ impl<'a, 'tcx> CrateLoader<'a, 'tcx> { // Make a point span rather than covering the whole file let span = krate.spans.inner_span.shrink_to_lo(); - self.sess.psess.buffer_lint_with_diagnostic( + self.sess.psess.buffer_lint( lint::builtin::WASM_C_ABI, span, ast::CRATE_NODE_ID, diff --git a/compiler/rustc_middle/src/middle/stability.rs b/compiler/rustc_middle/src/middle/stability.rs index 0451ab4a06b2..e5df05763b02 100644 --- a/compiler/rustc_middle/src/middle/stability.rs +++ b/compiler/rustc_middle/src/middle/stability.rs @@ -220,7 +220,7 @@ pub fn early_report_macro_deprecation( path, since_kind: deprecated_since_kind(is_in_effect, depr.since.clone()), }; - lint_buffer.buffer_lint_with_diagnostic(deprecation_lint(is_in_effect), node_id, span, diag); + lint_buffer.buffer_lint(deprecation_lint(is_in_effect), node_id, span, diag); } fn late_report_deprecation( diff --git a/compiler/rustc_parse/src/lexer/mod.rs b/compiler/rustc_parse/src/lexer/mod.rs index cdb1cf62cf78..6eb8bed6a8c4 100644 --- a/compiler/rustc_parse/src/lexer/mod.rs +++ b/compiler/rustc_parse/src/lexer/mod.rs @@ -370,7 +370,7 @@ impl<'psess, 'src> StringReader<'psess, 'src> { let content = self.str_from(content_start); if contains_text_flow_control_chars(content) { let span = self.mk_sp(start, self.pos); - self.psess.buffer_lint_with_diagnostic( + self.psess.buffer_lint( TEXT_DIRECTION_CODEPOINT_IN_COMMENT, span, ast::CRATE_NODE_ID, @@ -722,7 +722,7 @@ impl<'psess, 'src> StringReader<'psess, 'src> { self.dcx().emit_err(errors::UnknownPrefix { span: prefix_span, prefix, sugg }); } else { // Before Rust 2021, only emit a lint for migration. - self.psess.buffer_lint_with_diagnostic( + self.psess.buffer_lint( RUST_2021_PREFIXES_INCOMPATIBLE_SYNTAX, prefix_span, ast::CRATE_NODE_ID, diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs index be4a52a9bc4e..fd3f63a04de5 100644 --- a/compiler/rustc_parse/src/parser/expr.rs +++ b/compiler/rustc_parse/src/parser/expr.rs @@ -1913,7 +1913,7 @@ impl<'a> Parser<'a> { | ExprKind::Block(_, None) ) { - self.psess.buffer_lint_with_diagnostic( + self.psess.buffer_lint( BREAK_WITH_LABEL_AND_LOOP, lo.to(expr.span), ast::CRATE_NODE_ID, diff --git a/compiler/rustc_parse/src/validate_attr.rs b/compiler/rustc_parse/src/validate_attr.rs index 3cfc68507d5a..b91ef1ae1f32 100644 --- a/compiler/rustc_parse/src/validate_attr.rs +++ b/compiler/rustc_parse/src/validate_attr.rs @@ -189,7 +189,7 @@ fn emit_malformed_attribute( suggestions.push(format!("#{inner}[{name} = \"{descr}\"]")); } if should_warn(name) { - psess.buffer_lint_with_diagnostic( + psess.buffer_lint( ILL_FORMED_ATTRIBUTE_INPUT, span, ast::CRATE_NODE_ID, diff --git a/compiler/rustc_resolve/src/check_unused.rs b/compiler/rustc_resolve/src/check_unused.rs index 93b53f510fca..fc3669fecc2a 100644 --- a/compiler/rustc_resolve/src/check_unused.rs +++ b/compiler/rustc_resolve/src/check_unused.rs @@ -151,7 +151,7 @@ impl<'a, 'b, 'tcx> UnusedImportCheckVisitor<'a, 'b, 'tcx> { // We do this in any edition. if warn_if_unused { if let Some(&span) = maybe_unused_extern_crates.get(&extern_crate.id) { - self.r.lint_buffer.buffer_lint_with_diagnostic( + self.r.lint_buffer.buffer_lint( UNUSED_EXTERN_CRATES, extern_crate.id, span, @@ -203,7 +203,7 @@ impl<'a, 'b, 'tcx> UnusedImportCheckVisitor<'a, 'b, 'tcx> { .span .find_ancestor_inside(extern_crate.span) .unwrap_or(extern_crate.ident.span); - self.r.lint_buffer.buffer_lint_with_diagnostic( + self.r.lint_buffer.buffer_lint( UNUSED_EXTERN_CRATES, extern_crate.id, extern_crate.span, @@ -388,7 +388,7 @@ impl Resolver<'_, '_> { { if let ImportKind::MacroUse { .. } = import.kind { if !import.span.is_dummy() { - self.lint_buffer.buffer_lint_with_diagnostic( + self.lint_buffer.buffer_lint( MACRO_USE_EXTERN_CRATE, import.root_id, import.span, @@ -409,7 +409,7 @@ impl Resolver<'_, '_> { } } ImportKind::MacroUse { .. } => { - self.lint_buffer.buffer_lint_with_diagnostic( + self.lint_buffer.buffer_lint( UNUSED_IMPORTS, import.root_id, import.span, @@ -477,7 +477,7 @@ impl Resolver<'_, '_> { } }; - visitor.r.lint_buffer.buffer_lint_with_diagnostic( + visitor.r.lint_buffer.buffer_lint( UNUSED_IMPORTS, unused.use_tree_id, ms, @@ -533,7 +533,7 @@ impl Resolver<'_, '_> { continue; } - self.lint_buffer.buffer_lint_with_diagnostic( + self.lint_buffer.buffer_lint( UNUSED_QUALIFICATIONS, unn_qua.node_id, unn_qua.path_span, diff --git a/compiler/rustc_resolve/src/diagnostics.rs b/compiler/rustc_resolve/src/diagnostics.rs index 791d777b3d44..856cfbc01e8c 100644 --- a/compiler/rustc_resolve/src/diagnostics.rs +++ b/compiler/rustc_resolve/src/diagnostics.rs @@ -128,7 +128,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { self.report_with_use_injections(krate); for &(span_use, span_def) in &self.macro_expanded_macro_export_errors { - self.lint_buffer.buffer_lint_with_diagnostic( + self.lint_buffer.buffer_lint( MACRO_EXPANDED_MACRO_EXPORTS_ACCESSED_BY_ABSOLUTE_PATHS, CRATE_NODE_ID, span_use, @@ -142,7 +142,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { let NameBindingKind::Import { import, .. } = ambiguity_error.b1.0.kind else { unreachable!() }; - self.lint_buffer.buffer_lint_with_diagnostic( + self.lint_buffer.buffer_lint( AMBIGUOUS_GLOB_IMPORTS, import.root_id, ambiguity_error.ident.span, @@ -522,7 +522,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { } let diag = BuiltinLintDiag::AbsPathWithModule(root_span); - self.lint_buffer.buffer_lint_with_diagnostic( + self.lint_buffer.buffer_lint( ABSOLUTE_PATHS_NOT_STARTING_WITH_CRATE, node_id, root_span, diff --git a/compiler/rustc_resolve/src/ident.rs b/compiler/rustc_resolve/src/ident.rs index d1fd19e9953e..57db765c07e5 100644 --- a/compiler/rustc_resolve/src/ident.rs +++ b/compiler/rustc_resolve/src/ident.rs @@ -524,7 +524,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { match binding { Ok(binding) => { if let Some(lint_id) = derive_fallback_lint_id { - this.lint_buffer.buffer_lint_with_diagnostic( + this.lint_buffer.buffer_lint( PROC_MACRO_DERIVE_RESOLUTION_FALLBACK, lint_id, orig_ident.span, diff --git a/compiler/rustc_resolve/src/imports.rs b/compiler/rustc_resolve/src/imports.rs index fb734895049c..51b87c5a9b03 100644 --- a/compiler/rustc_resolve/src/imports.rs +++ b/compiler/rustc_resolve/src/imports.rs @@ -619,7 +619,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { && binding.res() != Res::Err && exported_ambiguities.contains(&binding) { - self.lint_buffer.buffer_lint_with_diagnostic( + self.lint_buffer.buffer_lint( AMBIGUOUS_GLOB_REEXPORTS, import.root_id, import.root_span, @@ -654,7 +654,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { && glob_binding.vis.is_public() && !binding.vis.is_public() { - self.lint_buffer.buffer_lint_with_diagnostic( + self.lint_buffer.buffer_lint( HIDDEN_GLOB_REEXPORTS, binding_id, binding.span, @@ -1013,7 +1013,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { && !max_vis.is_at_least(import_vis, self.tcx) { let def_id = self.local_def_id(id); - self.lint_buffer.buffer_lint_with_diagnostic( + self.lint_buffer.buffer_lint( UNUSED_IMPORTS, id, import.span, @@ -1246,7 +1246,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { if !any_successful_reexport { let (ns, binding) = reexport_error.unwrap(); if pub_use_of_private_extern_crate_hack(import, binding) { - self.lint_buffer.buffer_lint_with_diagnostic( + self.lint_buffer.buffer_lint( PUB_USE_OF_PRIVATE_EXTERN_CRATE, import_id, import.span, diff --git a/compiler/rustc_resolve/src/late.rs b/compiler/rustc_resolve/src/late.rs index 359e96775f8d..d1d0e336cfe0 100644 --- a/compiler/rustc_resolve/src/late.rs +++ b/compiler/rustc_resolve/src/late.rs @@ -1675,7 +1675,7 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { return; } LifetimeRibKind::AnonymousWarn(node_id) => { - self.r.lint_buffer.buffer_lint_with_diagnostic( + self.r.lint_buffer.buffer_lint( lint::builtin::ELIDED_LIFETIMES_IN_ASSOCIATED_CONSTANT, node_id, lifetime.ident.span, @@ -1960,7 +1960,7 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { } if should_lint { - self.r.lint_buffer.buffer_lint_with_diagnostic( + self.r.lint_buffer.buffer_lint( lint::builtin::ELIDED_LIFETIMES_IN_PATHS, segment_id, elided_lifetime_span, @@ -4815,7 +4815,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { late_resolution_visitor.resolve_doc_links(&krate.attrs, MaybeExported::Ok(CRATE_NODE_ID)); visit::walk_crate(&mut late_resolution_visitor, krate); for (id, span) in late_resolution_visitor.diag_metadata.unused_labels.iter() { - self.lint_buffer.buffer_lint_with_diagnostic( + self.lint_buffer.buffer_lint( lint::builtin::UNUSED_LABELS, *id, *span, diff --git a/compiler/rustc_resolve/src/late/diagnostics.rs b/compiler/rustc_resolve/src/late/diagnostics.rs index ce14c98b0d61..cb063e370a3c 100644 --- a/compiler/rustc_resolve/src/late/diagnostics.rs +++ b/compiler/rustc_resolve/src/late/diagnostics.rs @@ -2651,7 +2651,7 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { let deletion_span = if param.bounds.is_empty() { deletion_span() } else { None }; - self.r.lint_buffer.buffer_lint_with_diagnostic( + self.r.lint_buffer.buffer_lint( lint::builtin::SINGLE_USE_LIFETIMES, param.id, param.ident.span, @@ -2669,7 +2669,7 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { // if the lifetime originates from expanded code, we won't be able to remove it #104432 if deletion_span.is_some_and(|sp| !sp.in_derive_expansion()) { - self.r.lint_buffer.buffer_lint_with_diagnostic( + self.r.lint_buffer.buffer_lint( lint::builtin::UNUSED_LIFETIMES, param.id, param.ident.span, diff --git a/compiler/rustc_resolve/src/lib.rs b/compiler/rustc_resolve/src/lib.rs index dda31f82d2fd..f4c5ad8f6721 100644 --- a/compiler/rustc_resolve/src/lib.rs +++ b/compiler/rustc_resolve/src/lib.rs @@ -1860,7 +1860,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { } if let NameBindingKind::Import { import, binding } = used_binding.kind { if let ImportKind::MacroUse { warn_private: true } = import.kind { - self.lint_buffer().buffer_lint_with_diagnostic( + self.lint_buffer().buffer_lint( PRIVATE_MACRO_USE, import.root_id, ident.span, diff --git a/compiler/rustc_resolve/src/macros.rs b/compiler/rustc_resolve/src/macros.rs index f7073ee9a01f..092eb1ce2eed 100644 --- a/compiler/rustc_resolve/src/macros.rs +++ b/compiler/rustc_resolve/src/macros.rs @@ -311,7 +311,7 @@ impl<'a, 'tcx> ResolverExpand for Resolver<'a, 'tcx> { fn check_unused_macros(&mut self) { for (_, &(node_id, ident)) in self.unused_macros.iter() { - self.lint_buffer.buffer_lint_with_diagnostic( + self.lint_buffer.buffer_lint( UNUSED_MACROS, node_id, ident.span, @@ -324,7 +324,7 @@ impl<'a, 'tcx> ResolverExpand for Resolver<'a, 'tcx> { continue; } let node_id = self.def_id_to_node_id[def_id]; - self.lint_buffer.buffer_lint_with_diagnostic( + self.lint_buffer.buffer_lint( UNUSED_MACRO_RULES, node_id, rule_span, @@ -558,7 +558,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { _ => unreachable!(), }; if soft_custom_inner_attributes_gate { - self.tcx.sess.psess.buffer_lint_with_diagnostic( + self.tcx.sess.psess.buffer_lint( SOFT_UNSTABLE, path.span, node_id, @@ -585,7 +585,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { let typo_name = distance.map(|_| sym::on_unimplemented); - self.tcx.sess.psess.buffer_lint_with_diagnostic( + self.tcx.sess.psess.buffer_lint( UNKNOWN_OR_MALFORMED_DIAGNOSTIC_ATTRIBUTES, attribute.span(), node_id, @@ -789,7 +789,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { .invocation_parents .get(&parent_scope.expansion) .map_or(ast::CRATE_NODE_ID, |id| self.def_id_to_node_id[id.0]); - self.lint_buffer.buffer_lint_with_diagnostic( + self.lint_buffer.buffer_lint( LEGACY_DERIVE_HELPERS, node_id, ident.span, @@ -843,7 +843,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { if !is_allowed(feature) && !allowed_by_implication { let lint_buffer = &mut self.lint_buffer; let soft_handler = |lint, span, msg: String| { - lint_buffer.buffer_lint_with_diagnostic( + lint_buffer.buffer_lint( lint, node_id, span, diff --git a/compiler/rustc_session/src/parse.rs b/compiler/rustc_session/src/parse.rs index 3db586622e59..df07f81bc457 100644 --- a/compiler/rustc_session/src/parse.rs +++ b/compiler/rustc_session/src/parse.rs @@ -300,7 +300,7 @@ impl ParseSess { self.source_map.clone() } - pub fn buffer_lint_with_diagnostic( + pub fn buffer_lint( &self, lint: &'static Lint, span: impl Into, From 28ce5883210da1ed90cda9b7da3d0b16e2794e69 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Mon, 20 May 2024 12:57:07 -0400 Subject: [PATCH 0381/1716] Uplift binder --- compiler/rustc_errors/src/diagnostic_impls.rs | 9 + .../src/hir_ty_lowering/errors.rs | 2 +- .../src/hir_ty_lowering/mod.rs | 1 + compiler/rustc_middle/src/ty/codec.rs | 58 +-- compiler/rustc_middle/src/ty/context.rs | 13 +- compiler/rustc_middle/src/ty/generic_args.rs | 8 + compiler/rustc_middle/src/ty/predicate.rs | 153 +------- compiler/rustc_middle/src/ty/print/pretty.rs | 19 +- compiler/rustc_middle/src/ty/region.rs | 4 + .../rustc_middle/src/ty/structural_impls.rs | 32 -- compiler/rustc_middle/src/ty/sty.rs | 257 +------------ compiler/rustc_middle/src/ty/visit.rs | 98 ----- .../src/canonicalizer.rs | 6 +- .../src/traits/error_reporting/suggestions.rs | 3 +- compiler/rustc_type_ir/src/binder.rs | 340 ++++++++++++++++++ compiler/rustc_type_ir/src/fold.rs | 13 +- compiler/rustc_type_ir/src/inherent.rs | 87 +++-- compiler/rustc_type_ir/src/interner.rs | 40 ++- compiler/rustc_type_ir/src/ir_print.rs | 11 +- compiler/rustc_type_ir/src/lib.rs | 10 + compiler/rustc_type_ir/src/predicate.rs | 147 +++++++- compiler/rustc_type_ir/src/ty_kind.rs | 49 ++- compiler/rustc_type_ir/src/visit.rs | 8 +- 23 files changed, 702 insertions(+), 666 deletions(-) create mode 100644 compiler/rustc_type_ir/src/binder.rs diff --git a/compiler/rustc_errors/src/diagnostic_impls.rs b/compiler/rustc_errors/src/diagnostic_impls.rs index 4bf7dccab923..9614f4e80e17 100644 --- a/compiler/rustc_errors/src/diagnostic_impls.rs +++ b/compiler/rustc_errors/src/diagnostic_impls.rs @@ -118,6 +118,15 @@ impl IntoDiagArg for rustc_type_ir::FnSig { } } +impl IntoDiagArg for rustc_type_ir::Binder +where + T: IntoDiagArg, +{ + fn into_diag_arg(self) -> DiagArgValue { + self.skip_binder().into_diag_arg() + } +} + into_diag_arg_for_number!(i8, u8, i16, u16, i32, u32, i64, u64, i128, u128, isize, usize); impl IntoDiagArg for bool { diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/errors.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/errors.rs index 00356ece5852..168a370bba93 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/errors.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/errors.rs @@ -18,7 +18,7 @@ use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_infer::traits::FulfillmentError; use rustc_middle::bug; use rustc_middle::query::Key; -use rustc_middle::ty::print::PrintTraitRefExt as _; +use rustc_middle::ty::print::{PrintPolyTraitRefExt as _, PrintTraitRefExt as _}; use rustc_middle::ty::GenericParamDefKind; use rustc_middle::ty::{self, suggest_constraining_type_param}; use rustc_middle::ty::{AdtDef, Ty, TyCtxt, TypeVisitableExt}; diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs index 8caeb85204b7..0cd77fe774fb 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs @@ -40,6 +40,7 @@ use rustc_infer::infer::{InferCtxt, TyCtxtInferExt}; use rustc_infer::traits::ObligationCause; use rustc_middle::middle::stability::AllowUnstable; use rustc_middle::mir::interpret::{LitToConstError, LitToConstInput}; +use rustc_middle::ty::print::PrintPolyTraitRefExt as _; use rustc_middle::ty::{ self, Const, GenericArgKind, GenericArgsRef, GenericParamDefKind, ParamEnv, Ty, TyCtxt, TypeVisitableExt, diff --git a/compiler/rustc_middle/src/ty/codec.rs b/compiler/rustc_middle/src/ty/codec.rs index c0effe9804cd..07652b479292 100644 --- a/compiler/rustc_middle/src/ty/codec.rs +++ b/compiler/rustc_middle/src/ty/codec.rs @@ -115,18 +115,11 @@ impl<'tcx, E: TyEncoder>> Encodable for Ty<'tcx> { } } -impl<'tcx, E: TyEncoder>> Encodable - for ty::Binder<'tcx, ty::PredicateKind<'tcx>> -{ - fn encode(&self, e: &mut E) { - self.bound_vars().encode(e); - encode_with_shorthand(e, &self.skip_binder(), TyEncoder::predicate_shorthands); - } -} - impl<'tcx, E: TyEncoder>> Encodable for ty::Predicate<'tcx> { fn encode(&self, e: &mut E) { - self.kind().encode(e); + let kind = self.kind(); + kind.bound_vars().encode(e); + encode_with_shorthand(e, &kind.skip_binder(), TyEncoder::predicate_shorthands); } } @@ -233,13 +226,11 @@ impl<'tcx, D: TyDecoder>> Decodable for Ty<'tcx> { } } -impl<'tcx, D: TyDecoder>> Decodable - for ty::Binder<'tcx, ty::PredicateKind<'tcx>> -{ - fn decode(decoder: &mut D) -> ty::Binder<'tcx, ty::PredicateKind<'tcx>> { +impl<'tcx, D: TyDecoder>> Decodable for ty::Predicate<'tcx> { + fn decode(decoder: &mut D) -> ty::Predicate<'tcx> { let bound_vars = Decodable::decode(decoder); // Handle shorthands first, if we have a usize > 0x80. - ty::Binder::bind_with_vars( + let predicate_kind = ty::Binder::bind_with_vars( if decoder.positioned_at_shorthand() { let pos = decoder.read_usize(); assert!(pos >= SHORTHAND_OFFSET); @@ -250,13 +241,7 @@ impl<'tcx, D: TyDecoder>> Decodable as Decodable>::decode(decoder) }, bound_vars, - ) - } -} - -impl<'tcx, D: TyDecoder>> Decodable for ty::Predicate<'tcx> { - fn decode(decoder: &mut D) -> ty::Predicate<'tcx> { - let predicate_kind = Decodable::decode(decoder); + ); decoder.interner().mk_predicate(predicate_kind) } } @@ -599,32 +584,3 @@ macro_rules! implement_ty_decoder { } } } - -macro_rules! impl_binder_encode_decode { - ($($t:ty),+ $(,)?) => { - $( - impl<'tcx, E: TyEncoder>> Encodable for ty::Binder<'tcx, $t> { - fn encode(&self, e: &mut E) { - self.bound_vars().encode(e); - self.as_ref().skip_binder().encode(e); - } - } - impl<'tcx, D: TyDecoder>> Decodable for ty::Binder<'tcx, $t> { - fn decode(decoder: &mut D) -> Self { - let bound_vars = Decodable::decode(decoder); - ty::Binder::bind_with_vars(Decodable::decode(decoder), bound_vars) - } - } - )* - } -} - -impl_binder_encode_decode! { - &'tcx ty::List>, - ty::FnSig<'tcx>, - ty::Predicate<'tcx>, - ty::TraitPredicate<'tcx>, - ty::ExistentialPredicate<'tcx>, - ty::TraitRef<'tcx>, - ty::ExistentialTraitRef<'tcx>, -} diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index 8185c99c2fd2..a457319c5f89 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -31,8 +31,7 @@ use crate::ty::{ self, AdtDef, AdtDefData, AdtKind, Binder, Clause, Clauses, Const, ConstData, GenericParamDefKind, ImplPolarity, List, ListWithCachedTypeInfo, ParamConst, ParamTy, Pattern, PatternKind, PolyExistentialPredicate, PolyFnSig, Predicate, PredicateKind, PredicatePolarity, - Region, RegionKind, ReprOptions, TraitObjectVisitor, Ty, TyKind, TyVid, TypeVisitable, - Visibility, + Region, RegionKind, ReprOptions, TraitObjectVisitor, Ty, TyKind, TyVid, Visibility, }; use crate::ty::{GenericArg, GenericArgs, GenericArgsRef}; use rustc_ast::{self as ast, attr}; @@ -96,9 +95,8 @@ impl<'tcx> Interner for TyCtxt<'tcx> { type GenericArg = ty::GenericArg<'tcx>; type Term = ty::Term<'tcx>; - type Binder>> = Binder<'tcx, T>; - type BoundVars = &'tcx List; - type BoundVar = ty::BoundVariableKind; + type BoundVarKinds = &'tcx List; + type BoundVarKind = ty::BoundVariableKind; type CanonicalVars = CanonicalVarInfos<'tcx>; type PredefinedOpaques = solve::PredefinedOpaques<'tcx>; @@ -138,6 +136,7 @@ impl<'tcx> Interner for TyCtxt<'tcx> { type ParamEnv = ty::ParamEnv<'tcx>; type Predicate = Predicate<'tcx>; + type Clause = Clause<'tcx>; type TraitPredicate = ty::TraitPredicate<'tcx>; type RegionOutlivesPredicate = ty::RegionOutlivesPredicate<'tcx>; type TypeOutlivesPredicate = ty::TypeOutlivesPredicate<'tcx>; @@ -245,6 +244,10 @@ impl<'tcx> rustc_type_ir::inherent::Abi> for abi::Abi { } impl<'tcx> rustc_type_ir::inherent::Safety> for hir::Safety { + fn is_safe(self) -> bool { + matches!(self, hir::Safety::Safe) + } + fn prefix_str(self) -> &'static str { self.prefix_str() } diff --git a/compiler/rustc_middle/src/ty/generic_args.rs b/compiler/rustc_middle/src/ty/generic_args.rs index 3d263e62de66..cb11bb3ef16d 100644 --- a/compiler/rustc_middle/src/ty/generic_args.rs +++ b/compiler/rustc_middle/src/ty/generic_args.rs @@ -51,6 +51,14 @@ impl<'tcx> rustc_type_ir::inherent::GenericArgs> for ty::GenericArg fn identity_for_item(tcx: TyCtxt<'tcx>, def_id: DefId) -> ty::GenericArgsRef<'tcx> { GenericArgs::identity_for_item(tcx, def_id) } + + fn extend_with_error( + tcx: TyCtxt<'tcx>, + def_id: DefId, + original_args: &[ty::GenericArg<'tcx>], + ) -> ty::GenericArgsRef<'tcx> { + ty::GenericArgs::extend_with_error(tcx, def_id, original_args) + } } impl<'tcx> rustc_type_ir::inherent::IntoKind for GenericArg<'tcx> { diff --git a/compiler/rustc_middle/src/ty/predicate.rs b/compiler/rustc_middle/src/ty/predicate.rs index be91249a25f8..067d490078d3 100644 --- a/compiler/rustc_middle/src/ty/predicate.rs +++ b/compiler/rustc_middle/src/ty/predicate.rs @@ -8,8 +8,8 @@ use rustc_type_ir as ir; use std::cmp::Ordering; use crate::ty::{ - self, Binder, DebruijnIndex, EarlyBinder, PredicatePolarity, Term, Ty, TyCtxt, TypeFlags, - Upcast, UpcastFrom, WithCachedTypeInfo, + self, DebruijnIndex, EarlyBinder, PredicatePolarity, Ty, TyCtxt, TypeFlags, Upcast, UpcastFrom, + WithCachedTypeInfo, }; pub type TraitRef<'tcx> = ir::TraitRef>; @@ -155,6 +155,8 @@ pub struct Clause<'tcx>( pub(super) Interned<'tcx, WithCachedTypeInfo>>>, ); +impl<'tcx> rustc_type_ir::inherent::Clause> for Clause<'tcx> {} + impl<'tcx> Clause<'tcx> { pub fn as_predicate(self) -> Predicate<'tcx> { Predicate(self.0) @@ -231,34 +233,6 @@ impl<'tcx> ExistentialPredicate<'tcx> { pub type PolyExistentialPredicate<'tcx> = ty::Binder<'tcx, ExistentialPredicate<'tcx>>; -impl<'tcx> PolyExistentialPredicate<'tcx> { - /// Given an existential predicate like `?Self: PartialEq` (e.g., derived from `dyn PartialEq`), - /// and a concrete type `self_ty`, returns a full predicate where the existentially quantified variable `?Self` - /// has been replaced with `self_ty` (e.g., `self_ty: PartialEq`, in our example). - pub fn with_self_ty(&self, tcx: TyCtxt<'tcx>, self_ty: Ty<'tcx>) -> ty::Clause<'tcx> { - match self.skip_binder() { - ExistentialPredicate::Trait(tr) => { - self.rebind(tr).with_self_ty(tcx, self_ty).upcast(tcx) - } - ExistentialPredicate::Projection(p) => { - self.rebind(p.with_self_ty(tcx, self_ty)).upcast(tcx) - } - ExistentialPredicate::AutoTrait(did) => { - let generics = tcx.generics_of(did); - let trait_ref = if generics.own_params.len() == 1 { - ty::TraitRef::new(tcx, did, [self_ty]) - } else { - // If this is an ill-formed auto trait, then synthesize - // new error args for the missing generics. - let err_args = ty::GenericArgs::extend_with_error(tcx, did, &[self_ty.into()]); - ty::TraitRef::new(tcx, did, err_args) - }; - self.rebind(trait_ref).upcast(tcx) - } - } - } -} - impl<'tcx> ty::List> { /// Returns the "principal `DefId`" of this set of existential predicates. /// @@ -322,49 +296,9 @@ impl<'tcx> ty::List> { } pub type PolyTraitRef<'tcx> = ty::Binder<'tcx, TraitRef<'tcx>>; - -impl<'tcx> PolyTraitRef<'tcx> { - pub fn self_ty(&self) -> ty::Binder<'tcx, Ty<'tcx>> { - self.map_bound_ref(|tr| tr.self_ty()) - } - - pub fn def_id(&self) -> DefId { - self.skip_binder().def_id - } -} - pub type PolyExistentialTraitRef<'tcx> = ty::Binder<'tcx, ExistentialTraitRef<'tcx>>; - -impl<'tcx> PolyExistentialTraitRef<'tcx> { - pub fn def_id(&self) -> DefId { - self.skip_binder().def_id - } - - /// Object types don't have a self type specified. Therefore, when - /// we convert the principal trait-ref into a normal trait-ref, - /// you must give *some* self type. A common choice is `mk_err()` - /// or some placeholder type. - pub fn with_self_ty(&self, tcx: TyCtxt<'tcx>, self_ty: Ty<'tcx>) -> ty::PolyTraitRef<'tcx> { - self.map_bound(|trait_ref| trait_ref.with_self_ty(tcx, self_ty)) - } -} - pub type PolyExistentialProjection<'tcx> = ty::Binder<'tcx, ExistentialProjection<'tcx>>; -impl<'tcx> PolyExistentialProjection<'tcx> { - pub fn with_self_ty( - &self, - tcx: TyCtxt<'tcx>, - self_ty: Ty<'tcx>, - ) -> ty::PolyProjectionPredicate<'tcx> { - self.map_bound(|p| p.with_self_ty(tcx, self_ty)) - } - - pub fn item_def_id(&self) -> DefId { - self.skip_binder().def_id - } -} - impl<'tcx> Clause<'tcx> { /// Performs a instantiation suitable for going from a /// poly-trait-ref to supertraits that must hold if that @@ -473,22 +407,6 @@ impl<'tcx> Clause<'tcx> { pub type PolyTraitPredicate<'tcx> = ty::Binder<'tcx, TraitPredicate<'tcx>>; -impl<'tcx> PolyTraitPredicate<'tcx> { - pub fn def_id(self) -> DefId { - // Ok to skip binder since trait `DefId` does not care about regions. - self.skip_binder().def_id() - } - - pub fn self_ty(self) -> ty::Binder<'tcx, Ty<'tcx>> { - self.map_bound(|trait_ref| trait_ref.self_ty()) - } - - #[inline] - pub fn polarity(self) -> PredicatePolarity { - self.skip_binder().polarity - } -} - /// `A: B` #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Debug, TyEncodable, TyDecodable)] #[derive(HashStable, TypeFoldable, TypeVisitable, Lift)] @@ -497,47 +415,10 @@ pub type RegionOutlivesPredicate<'tcx> = OutlivesPredicate, ty: pub type TypeOutlivesPredicate<'tcx> = OutlivesPredicate, ty::Region<'tcx>>; pub type PolyRegionOutlivesPredicate<'tcx> = ty::Binder<'tcx, RegionOutlivesPredicate<'tcx>>; pub type PolyTypeOutlivesPredicate<'tcx> = ty::Binder<'tcx, TypeOutlivesPredicate<'tcx>>; - pub type PolySubtypePredicate<'tcx> = ty::Binder<'tcx, SubtypePredicate<'tcx>>; - pub type PolyCoercePredicate<'tcx> = ty::Binder<'tcx, CoercePredicate<'tcx>>; - pub type PolyProjectionPredicate<'tcx> = Binder<'tcx, ProjectionPredicate<'tcx>>; -impl<'tcx> PolyProjectionPredicate<'tcx> { - /// Returns the `DefId` of the trait of the associated item being projected. - #[inline] - pub fn trait_def_id(&self, tcx: TyCtxt<'tcx>) -> DefId { - self.skip_binder().projection_term.trait_def_id(tcx) - } - - /// Get the [PolyTraitRef] required for this projection to be well formed. - /// Note that for generic associated types the predicates of the associated - /// type also need to be checked. - #[inline] - pub fn required_poly_trait_ref(&self, tcx: TyCtxt<'tcx>) -> PolyTraitRef<'tcx> { - // Note: unlike with `TraitRef::to_poly_trait_ref()`, - // `self.0.trait_ref` is permitted to have escaping regions. - // This is because here `self` has a `Binder` and so does our - // return value, so we are preserving the number of binding - // levels. - self.map_bound(|predicate| predicate.projection_term.trait_ref(tcx)) - } - - pub fn term(&self) -> Binder<'tcx, Term<'tcx>> { - self.map_bound(|predicate| predicate.term) - } - - /// The `DefId` of the `TraitItem` for the associated type. - /// - /// Note that this is not the `DefId` of the `TraitRef` containing this - /// associated type, which is in `tcx.associated_item(projection_def_id()).container`. - pub fn projection_def_id(&self) -> DefId { - // Ok to skip binder since trait `DefId` does not care about regions. - self.skip_binder().projection_term.def_id - } -} - pub trait ToPolyTraitRef<'tcx> { fn to_poly_trait_ref(&self) -> PolyTraitRef<'tcx>; } @@ -554,8 +435,8 @@ impl<'tcx> UpcastFrom, PredicateKind<'tcx>> for Predicate<'tcx> { } } -impl<'tcx> UpcastFrom, Binder<'tcx, PredicateKind<'tcx>>> for Predicate<'tcx> { - fn upcast_from(from: Binder<'tcx, PredicateKind<'tcx>>, tcx: TyCtxt<'tcx>) -> Self { +impl<'tcx> UpcastFrom, ty::Binder<'tcx, PredicateKind<'tcx>>> for Predicate<'tcx> { + fn upcast_from(from: ty::Binder<'tcx, PredicateKind<'tcx>>, tcx: TyCtxt<'tcx>) -> Self { tcx.mk_predicate(from) } } @@ -566,8 +447,8 @@ impl<'tcx> UpcastFrom, ClauseKind<'tcx>> for Predicate<'tcx> { } } -impl<'tcx> UpcastFrom, Binder<'tcx, ClauseKind<'tcx>>> for Predicate<'tcx> { - fn upcast_from(from: Binder<'tcx, ClauseKind<'tcx>>, tcx: TyCtxt<'tcx>) -> Self { +impl<'tcx> UpcastFrom, ty::Binder<'tcx, ClauseKind<'tcx>>> for Predicate<'tcx> { + fn upcast_from(from: ty::Binder<'tcx, ClauseKind<'tcx>>, tcx: TyCtxt<'tcx>) -> Self { tcx.mk_predicate(from.map_bound(PredicateKind::Clause)) } } @@ -580,12 +461,12 @@ impl<'tcx> UpcastFrom, Clause<'tcx>> for Predicate<'tcx> { impl<'tcx> UpcastFrom, ClauseKind<'tcx>> for Clause<'tcx> { fn upcast_from(from: ClauseKind<'tcx>, tcx: TyCtxt<'tcx>) -> Self { - tcx.mk_predicate(Binder::dummy(PredicateKind::Clause(from))).expect_clause() + tcx.mk_predicate(ty::Binder::dummy(PredicateKind::Clause(from))).expect_clause() } } -impl<'tcx> UpcastFrom, Binder<'tcx, ClauseKind<'tcx>>> for Clause<'tcx> { - fn upcast_from(from: Binder<'tcx, ClauseKind<'tcx>>, tcx: TyCtxt<'tcx>) -> Self { +impl<'tcx> UpcastFrom, ty::Binder<'tcx, ClauseKind<'tcx>>> for Clause<'tcx> { + fn upcast_from(from: ty::Binder<'tcx, ClauseKind<'tcx>>, tcx: TyCtxt<'tcx>) -> Self { tcx.mk_predicate(from.map_bound(|clause| PredicateKind::Clause(clause))).expect_clause() } } @@ -609,22 +490,22 @@ impl<'tcx> UpcastFrom, TraitRef<'tcx>> for Clause<'tcx> { } } -impl<'tcx> UpcastFrom, Binder<'tcx, TraitRef<'tcx>>> for Predicate<'tcx> { - fn upcast_from(from: Binder<'tcx, TraitRef<'tcx>>, tcx: TyCtxt<'tcx>) -> Self { +impl<'tcx> UpcastFrom, ty::Binder<'tcx, TraitRef<'tcx>>> for Predicate<'tcx> { + fn upcast_from(from: ty::Binder<'tcx, TraitRef<'tcx>>, tcx: TyCtxt<'tcx>) -> Self { let pred: PolyTraitPredicate<'tcx> = from.upcast(tcx); pred.upcast(tcx) } } -impl<'tcx> UpcastFrom, Binder<'tcx, TraitRef<'tcx>>> for Clause<'tcx> { - fn upcast_from(from: Binder<'tcx, TraitRef<'tcx>>, tcx: TyCtxt<'tcx>) -> Self { +impl<'tcx> UpcastFrom, ty::Binder<'tcx, TraitRef<'tcx>>> for Clause<'tcx> { + fn upcast_from(from: ty::Binder<'tcx, TraitRef<'tcx>>, tcx: TyCtxt<'tcx>) -> Self { let pred: PolyTraitPredicate<'tcx> = from.upcast(tcx); pred.upcast(tcx) } } -impl<'tcx> UpcastFrom, Binder<'tcx, TraitRef<'tcx>>> for PolyTraitPredicate<'tcx> { - fn upcast_from(from: Binder<'tcx, TraitRef<'tcx>>, _tcx: TyCtxt<'tcx>) -> Self { +impl<'tcx> UpcastFrom, ty::Binder<'tcx, TraitRef<'tcx>>> for PolyTraitPredicate<'tcx> { + fn upcast_from(from: ty::Binder<'tcx, TraitRef<'tcx>>, _tcx: TyCtxt<'tcx>) -> Self { from.map_bound(|trait_ref| TraitPredicate { trait_ref, polarity: PredicatePolarity::Positive, diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs index 0dbb17e9db44..f0bd071e451f 100644 --- a/compiler/rustc_middle/src/ty/print/pretty.rs +++ b/compiler/rustc_middle/src/ty/print/pretty.rs @@ -2934,12 +2934,13 @@ impl<'tcx> ty::TraitRef<'tcx> { } } +#[extension(pub trait PrintPolyTraitRefExt<'tcx>)] impl<'tcx> ty::Binder<'tcx, ty::TraitRef<'tcx>> { - pub fn print_only_trait_path(self) -> ty::Binder<'tcx, TraitRefPrintOnlyTraitPath<'tcx>> { + fn print_only_trait_path(self) -> ty::Binder<'tcx, TraitRefPrintOnlyTraitPath<'tcx>> { self.map_bound(|tr| tr.print_only_trait_path()) } - pub fn print_trait_sugared(self) -> ty::Binder<'tcx, TraitRefPrintSugared<'tcx>> { + fn print_trait_sugared(self) -> ty::Binder<'tcx, TraitRefPrintSugared<'tcx>> { self.map_bound(|tr| tr.print_trait_sugared()) } } @@ -2960,8 +2961,9 @@ impl<'tcx> ty::TraitPredicate<'tcx> { } } +#[extension(pub trait PrintPolyTraitPredicateExt<'tcx>)] impl<'tcx> ty::PolyTraitPredicate<'tcx> { - pub fn print_modifiers_and_trait_path( + fn print_modifiers_and_trait_path( self, ) -> ty::Binder<'tcx, TraitPredPrintModifiersAndPath<'tcx>> { self.map_bound(TraitPredPrintModifiersAndPath) @@ -3016,17 +3018,6 @@ forward_display_to_print! { &'tcx ty::List>, ty::Const<'tcx>, - // HACK(eddyb) these are exhaustive instead of generic, - // because `for<'tcx>` isn't possible yet. - ty::PolyExistentialProjection<'tcx>, - ty::PolyExistentialTraitRef<'tcx>, - ty::Binder<'tcx, ty::TraitRef<'tcx>>, - ty::Binder<'tcx, TraitRefPrintOnlyTraitPath<'tcx>>, - ty::Binder<'tcx, TraitRefPrintSugared<'tcx>>, - ty::Binder<'tcx, ty::FnSig<'tcx>>, - ty::Binder<'tcx, ty::TraitPredicate<'tcx>>, - ty::Binder<'tcx, TraitPredPrintModifiersAndPath<'tcx>>, - ty::Binder<'tcx, ty::ProjectionPredicate<'tcx>>, ty::OutlivesPredicate, ty::Region<'tcx>>, ty::OutlivesPredicate, ty::Region<'tcx>> } diff --git a/compiler/rustc_middle/src/ty/region.rs b/compiler/rustc_middle/src/ty/region.rs index 551e2ea22956..d7da37385e1f 100644 --- a/compiler/rustc_middle/src/ty/region.rs +++ b/compiler/rustc_middle/src/ty/region.rs @@ -384,6 +384,10 @@ impl<'tcx> rustc_type_ir::inherent::BoundVarLike> for BoundRegion { fn var(self) -> BoundVar { self.var } + + fn assert_eq(self, var: ty::BoundVariableKind) { + assert_eq!(self.kind, var.expect_region()) + } } impl core::fmt::Debug for BoundRegion { diff --git a/compiler/rustc_middle/src/ty/structural_impls.rs b/compiler/rustc_middle/src/ty/structural_impls.rs index 81d92a2a448e..af3aa3b56f7b 100644 --- a/compiler/rustc_middle/src/ty/structural_impls.rs +++ b/compiler/rustc_middle/src/ty/structural_impls.rs @@ -387,38 +387,6 @@ impl<'tcx> TypeVisitable> for ty::AdtDef<'tcx> { } } -impl<'tcx, T: TypeFoldable>> TypeFoldable> for ty::Binder<'tcx, T> { - fn try_fold_with>>( - self, - folder: &mut F, - ) -> Result { - folder.try_fold_binder(self) - } -} - -impl<'tcx, T: TypeVisitable>> TypeVisitable> for ty::Binder<'tcx, T> { - fn visit_with>>(&self, visitor: &mut V) -> V::Result { - visitor.visit_binder(self) - } -} - -impl<'tcx, T: TypeFoldable>> TypeSuperFoldable> for ty::Binder<'tcx, T> { - fn try_super_fold_with>>( - self, - folder: &mut F, - ) -> Result { - self.try_map_bound(|ty| ty.try_fold_with(folder)) - } -} - -impl<'tcx, T: TypeVisitable>> TypeSuperVisitable> - for ty::Binder<'tcx, T> -{ - fn super_visit_with>>(&self, visitor: &mut V) -> V::Result { - self.as_ref().skip_binder().visit_with(visitor) - } -} - impl<'tcx> TypeFoldable> for &'tcx ty::List> { fn try_fold_with>>( self, diff --git a/compiler/rustc_middle/src/ty/sty.rs b/compiler/rustc_middle/src/ty/sty.rs index 2d9d178449e0..fc9a854c8533 100644 --- a/compiler/rustc_middle/src/ty/sty.rs +++ b/compiler/rustc_middle/src/ty/sty.rs @@ -3,17 +3,16 @@ #![allow(rustc::usage_of_ty_tykind)] use crate::infer::canonical::Canonical; -use crate::ty::visit::ValidateBoundVars; use crate::ty::InferTy::*; use crate::ty::{ self, AdtDef, BoundRegionKind, Discr, Region, Ty, TyCtxt, TypeFlags, TypeSuperVisitable, - TypeVisitable, TypeVisitableExt, TypeVisitor, + TypeVisitable, TypeVisitor, }; use crate::ty::{GenericArg, GenericArgs, GenericArgsRef}; use crate::ty::{List, ParamEnv}; use hir::def::{CtorKind, DefKind}; use rustc_data_structures::captures::Captures; -use rustc_errors::{DiagArgValue, ErrorGuaranteed, IntoDiagArg, MultiSpan}; +use rustc_errors::{ErrorGuaranteed, MultiSpan}; use rustc_hir as hir; use rustc_hir::def_id::DefId; use rustc_hir::LangItem; @@ -21,11 +20,11 @@ use rustc_macros::{HashStable, Lift, TyDecodable, TyEncodable, TypeFoldable}; use rustc_span::symbol::{sym, Symbol}; use rustc_span::{Span, DUMMY_SP}; use rustc_target::abi::{FieldIdx, VariantIdx, FIRST_VARIANT}; -use rustc_target::spec::abi::{self, Abi}; +use rustc_target::spec::abi; use std::assert_matches::debug_assert_matches; use std::borrow::Cow; use std::iter; -use std::ops::{ControlFlow, Deref, Range}; +use std::ops::{ControlFlow, Range}; use ty::util::IntTypeExt; use rustc_type_ir::TyKind::*; @@ -40,6 +39,7 @@ pub type TyKind<'tcx> = ir::TyKind>; pub type TypeAndMut<'tcx> = ir::TypeAndMut>; pub type AliasTy<'tcx> = ir::AliasTy>; pub type FnSig<'tcx> = ir::FnSig>; +pub type Binder<'tcx, T> = ir::Binder, T>; pub trait Article { fn article(&self) -> &'static str; @@ -373,7 +373,7 @@ impl<'tcx> CoroutineClosureArgs<'tcx> { self.split().signature_parts_ty } - pub fn coroutine_closure_sig(self) -> ty::Binder<'tcx, CoroutineClosureSignature<'tcx>> { + pub fn coroutine_closure_sig(self) -> Binder<'tcx, CoroutineClosureSignature<'tcx>> { let interior = self.coroutine_witness_ty(); let ty::FnPtr(sig) = self.signature_parts_ty().kind() else { bug!() }; sig.map_bound(|sig| { @@ -898,203 +898,6 @@ impl BoundVariableKind { } } -/// Binder is a binder for higher-ranked lifetimes or types. It is part of the -/// compiler's representation for things like `for<'a> Fn(&'a isize)` -/// (which would be represented by the type `PolyTraitRef == -/// Binder<'tcx, TraitRef>`). Note that when we instantiate, -/// erase, or otherwise "discharge" these bound vars, we change the -/// type from `Binder<'tcx, T>` to just `T` (see -/// e.g., `liberate_late_bound_regions`). -/// -/// `Decodable` and `Encodable` are implemented for `Binder` using the `impl_binder_encode_decode!` macro. -#[derive(Copy, Clone, PartialEq, Eq, Hash, Debug)] -#[derive(HashStable, Lift)] -pub struct Binder<'tcx, T> { - value: T, - bound_vars: &'tcx List, -} - -impl<'tcx, T> Binder<'tcx, T> -where - T: TypeVisitable>, -{ - /// Wraps `value` in a binder, asserting that `value` does not - /// contain any bound vars that would be bound by the - /// binder. This is commonly used to 'inject' a value T into a - /// different binding level. - #[track_caller] - pub fn dummy(value: T) -> Binder<'tcx, T> { - assert!( - !value.has_escaping_bound_vars(), - "`{value:?}` has escaping bound vars, so it cannot be wrapped in a dummy binder." - ); - Binder { value, bound_vars: ty::List::empty() } - } - - pub fn bind_with_vars(value: T, bound_vars: &'tcx List) -> Binder<'tcx, T> { - if cfg!(debug_assertions) { - let mut validator = ValidateBoundVars::new(bound_vars); - value.visit_with(&mut validator); - } - Binder { value, bound_vars } - } -} - -impl<'tcx, T> rustc_type_ir::inherent::BoundVars> for ty::Binder<'tcx, T> { - fn bound_vars(&self) -> &'tcx List { - self.bound_vars - } - - fn has_no_bound_vars(&self) -> bool { - self.bound_vars.is_empty() - } -} - -impl<'tcx, T> Binder<'tcx, T> { - /// Skips the binder and returns the "bound" value. This is a - /// risky thing to do because it's easy to get confused about - /// De Bruijn indices and the like. It is usually better to - /// discharge the binder using `no_bound_vars` or - /// `instantiate_bound_regions` or something like - /// that. `skip_binder` is only valid when you are either - /// extracting data that has nothing to do with bound vars, you - /// are doing some sort of test that does not involve bound - /// regions, or you are being very careful about your depth - /// accounting. - /// - /// Some examples where `skip_binder` is reasonable: - /// - /// - extracting the `DefId` from a PolyTraitRef; - /// - comparing the self type of a PolyTraitRef to see if it is equal to - /// a type parameter `X`, since the type `X` does not reference any regions - pub fn skip_binder(self) -> T { - self.value - } - - pub fn bound_vars(&self) -> &'tcx List { - self.bound_vars - } - - pub fn as_ref(&self) -> Binder<'tcx, &T> { - Binder { value: &self.value, bound_vars: self.bound_vars } - } - - pub fn as_deref(&self) -> Binder<'tcx, &T::Target> - where - T: Deref, - { - Binder { value: &self.value, bound_vars: self.bound_vars } - } - - pub fn map_bound_ref>>(&self, f: F) -> Binder<'tcx, U> - where - F: FnOnce(&T) -> U, - { - self.as_ref().map_bound(f) - } - - pub fn map_bound>>(self, f: F) -> Binder<'tcx, U> - where - F: FnOnce(T) -> U, - { - let Binder { value, bound_vars } = self; - let value = f(value); - if cfg!(debug_assertions) { - let mut validator = ValidateBoundVars::new(bound_vars); - value.visit_with(&mut validator); - } - Binder { value, bound_vars } - } - - pub fn try_map_bound>, E>( - self, - f: F, - ) -> Result, E> - where - F: FnOnce(T) -> Result, - { - let Binder { value, bound_vars } = self; - let value = f(value)?; - if cfg!(debug_assertions) { - let mut validator = ValidateBoundVars::new(bound_vars); - value.visit_with(&mut validator); - } - Ok(Binder { value, bound_vars }) - } - - /// Wraps a `value` in a binder, using the same bound variables as the - /// current `Binder`. This should not be used if the new value *changes* - /// the bound variables. Note: the (old or new) value itself does not - /// necessarily need to *name* all the bound variables. - /// - /// This currently doesn't do anything different than `bind`, because we - /// don't actually track bound vars. However, semantically, it is different - /// because bound vars aren't allowed to change here, whereas they are - /// in `bind`. This may be (debug) asserted in the future. - pub fn rebind(&self, value: U) -> Binder<'tcx, U> - where - U: TypeVisitable>, - { - Binder::bind_with_vars(value, self.bound_vars) - } - - /// Unwraps and returns the value within, but only if it contains - /// no bound vars at all. (In other words, if this binder -- - /// and indeed any enclosing binder -- doesn't bind anything at - /// all.) Otherwise, returns `None`. - /// - /// (One could imagine having a method that just unwraps a single - /// binder, but permits late-bound vars bound by enclosing - /// binders, but that would require adjusting the debruijn - /// indices, and given the shallow binding structure we often use, - /// would not be that useful.) - pub fn no_bound_vars(self) -> Option - where - T: TypeVisitable>, - { - // `self.value` is equivalent to `self.skip_binder()` - if self.value.has_escaping_bound_vars() { None } else { Some(self.skip_binder()) } - } - - /// Splits the contents into two things that share the same binder - /// level as the original, returning two distinct binders. - /// - /// `f` should consider bound regions at depth 1 to be free, and - /// anything it produces with bound regions at depth 1 will be - /// bound in the resulting return values. - pub fn split(self, f: F) -> (Binder<'tcx, U>, Binder<'tcx, V>) - where - F: FnOnce(T) -> (U, V), - { - let Binder { value, bound_vars } = self; - let (u, v) = f(value); - (Binder { value: u, bound_vars }, Binder { value: v, bound_vars }) - } -} - -impl<'tcx, T> Binder<'tcx, Option> { - pub fn transpose(self) -> Option> { - let Binder { value, bound_vars } = self; - value.map(|value| Binder { value, bound_vars }) - } -} - -impl<'tcx, T: IntoIterator> Binder<'tcx, T> { - pub fn iter(self) -> impl Iterator> { - let Binder { value, bound_vars } = self; - value.into_iter().map(|value| Binder { value, bound_vars }) - } -} - -impl<'tcx, T> IntoDiagArg for Binder<'tcx, T> -where - T: IntoDiagArg, -{ - fn into_diag_arg(self) -> DiagArgValue { - self.value.into_diag_arg() - } -} - #[derive(Copy, Clone, Debug, TypeFoldable, TypeVisitable)] pub struct GenSig<'tcx> { pub resume_ty: Ty<'tcx>, @@ -1103,48 +906,6 @@ pub struct GenSig<'tcx> { } pub type PolyFnSig<'tcx> = Binder<'tcx, FnSig<'tcx>>; - -impl<'tcx> PolyFnSig<'tcx> { - #[inline] - pub fn inputs(&self) -> Binder<'tcx, &'tcx [Ty<'tcx>]> { - self.map_bound_ref(|fn_sig| fn_sig.inputs()) - } - - #[inline] - #[track_caller] - pub fn input(&self, index: usize) -> ty::Binder<'tcx, Ty<'tcx>> { - self.map_bound_ref(|fn_sig| fn_sig.inputs()[index]) - } - - pub fn inputs_and_output(&self) -> ty::Binder<'tcx, &'tcx List>> { - self.map_bound_ref(|fn_sig| fn_sig.inputs_and_output) - } - - #[inline] - pub fn output(&self) -> ty::Binder<'tcx, Ty<'tcx>> { - self.map_bound_ref(|fn_sig| fn_sig.output()) - } - - pub fn c_variadic(&self) -> bool { - self.skip_binder().c_variadic - } - - pub fn safety(&self) -> hir::Safety { - self.skip_binder().safety - } - - pub fn abi(&self) -> abi::Abi { - self.skip_binder().abi - } - - pub fn is_fn_trait_compatible(&self) -> bool { - matches!( - self.skip_binder(), - ty::FnSig { safety: rustc_hir::Safety::Safe, abi: Abi::Rust, c_variadic: false, .. } - ) - } -} - pub type CanonicalPolyFnSig<'tcx> = Canonical<'tcx, Binder<'tcx, FnSig<'tcx>>>; #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, TyEncodable, TyDecodable)] @@ -1203,6 +964,10 @@ impl<'tcx> rustc_type_ir::inherent::BoundVarLike> for BoundTy { fn var(self) -> BoundVar { self.var } + + fn assert_eq(self, var: ty::BoundVariableKind) { + assert_eq!(self.kind, var.expect_ty()) + } } #[derive(Clone, Copy, PartialEq, Eq, Hash, Debug, TyEncodable, TyDecodable)] @@ -2001,7 +1766,7 @@ impl<'tcx> Ty<'tcx> { FnPtr(f) => *f, Error(_) => { // ignore errors (#54954) - ty::Binder::dummy(ty::FnSig { + Binder::dummy(ty::FnSig { inputs_and_output: ty::List::empty(), c_variadic: false, safety: hir::Safety::Safe, diff --git a/compiler/rustc_middle/src/ty/visit.rs b/compiler/rustc_middle/src/ty/visit.rs index 218567bbd59e..b1bbfd420e1b 100644 --- a/compiler/rustc_middle/src/ty/visit.rs +++ b/compiler/rustc_middle/src/ty/visit.rs @@ -1,7 +1,6 @@ use crate::ty::{self, Binder, Ty, TyCtxt, TypeFlags}; use rustc_data_structures::fx::FxHashSet; -use rustc_data_structures::sso::SsoHashSet; use rustc_type_ir::fold::TypeFoldable; use std::ops::ControlFlow; @@ -145,103 +144,6 @@ impl<'tcx> TyCtxt<'tcx> { } } -pub struct ValidateBoundVars<'tcx> { - bound_vars: &'tcx ty::List, - binder_index: ty::DebruijnIndex, - // We may encounter the same variable at different levels of binding, so - // this can't just be `Ty` - visited: SsoHashSet<(ty::DebruijnIndex, Ty<'tcx>)>, -} - -impl<'tcx> ValidateBoundVars<'tcx> { - pub fn new(bound_vars: &'tcx ty::List) -> Self { - ValidateBoundVars { - bound_vars, - binder_index: ty::INNERMOST, - visited: SsoHashSet::default(), - } - } -} - -impl<'tcx> TypeVisitor> for ValidateBoundVars<'tcx> { - type Result = ControlFlow<()>; - - fn visit_binder>>( - &mut self, - t: &Binder<'tcx, T>, - ) -> Self::Result { - self.binder_index.shift_in(1); - let result = t.super_visit_with(self); - self.binder_index.shift_out(1); - result - } - - fn visit_ty(&mut self, t: Ty<'tcx>) -> Self::Result { - if t.outer_exclusive_binder() < self.binder_index - || !self.visited.insert((self.binder_index, t)) - { - return ControlFlow::Break(()); - } - match *t.kind() { - ty::Bound(debruijn, bound_ty) if debruijn == self.binder_index => { - if self.bound_vars.len() <= bound_ty.var.as_usize() { - bug!("Not enough bound vars: {:?} not found in {:?}", t, self.bound_vars); - } - let list_var = self.bound_vars[bound_ty.var.as_usize()]; - match list_var { - ty::BoundVariableKind::Ty(kind) => { - if kind != bound_ty.kind { - bug!( - "Mismatched type kinds: {:?} doesn't var in list {:?}", - bound_ty.kind, - list_var - ); - } - } - _ => { - bug!("Mismatched bound variable kinds! Expected type, found {:?}", list_var) - } - } - } - - _ => (), - }; - - t.super_visit_with(self) - } - - fn visit_region(&mut self, r: ty::Region<'tcx>) -> Self::Result { - match *r { - ty::ReBound(index, br) if index == self.binder_index => { - if self.bound_vars.len() <= br.var.as_usize() { - bug!("Not enough bound vars: {:?} not found in {:?}", br, self.bound_vars); - } - let list_var = self.bound_vars[br.var.as_usize()]; - match list_var { - ty::BoundVariableKind::Region(kind) => { - if kind != br.kind { - bug!( - "Mismatched region kinds: {:?} doesn't match var ({:?}) in list ({:?})", - br.kind, - list_var, - self.bound_vars - ); - } - } - _ => bug!( - "Mismatched bound variable kinds! Expected region, found {:?}", - list_var - ), - } - } - - _ => (), - }; - - ControlFlow::Continue(()) - } -} - /// Collects all the late-bound regions at the innermost binding level /// into a hash set. struct LateBoundRegionsCollector { diff --git a/compiler/rustc_next_trait_solver/src/canonicalizer.rs b/compiler/rustc_next_trait_solver/src/canonicalizer.rs index 696639e9c1b6..127ebde5fec3 100644 --- a/compiler/rustc_next_trait_solver/src/canonicalizer.rs +++ b/compiler/rustc_next_trait_solver/src/canonicalizer.rs @@ -217,10 +217,9 @@ impl, I: Interner> TypeFolder self.infcx.interner() } - fn fold_binder(&mut self, t: I::Binder) -> I::Binder + fn fold_binder(&mut self, t: ty::Binder) -> ty::Binder where T: TypeFoldable, - I::Binder: TypeSuperFoldable, { self.binder_index.shift_in(1); let t = t.super_fold_with(self); @@ -455,10 +454,9 @@ impl TypeFolder for RegionsToStatic { self.interner } - fn fold_binder(&mut self, t: I::Binder) -> I::Binder + fn fold_binder(&mut self, t: ty::Binder) -> ty::Binder where T: TypeFoldable, - I::Binder: TypeSuperFoldable, { self.binder.shift_in(1); let t = t.super_fold_with(self); diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs index f9b6b281f924..6c56ebb62aed 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs @@ -47,7 +47,8 @@ use crate::infer::InferCtxtExt as _; use crate::traits::error_reporting::type_err_ctxt_ext::InferCtxtPrivExt; use crate::traits::query::evaluate_obligation::InferCtxtExt as _; use rustc_middle::ty::print::{ - with_forced_trimmed_paths, with_no_trimmed_paths, PrintTraitPredicateExt as _, + with_forced_trimmed_paths, with_no_trimmed_paths, PrintPolyTraitPredicateExt as _, + PrintTraitPredicateExt as _, }; use itertools::EitherOrBoth; diff --git a/compiler/rustc_type_ir/src/binder.rs b/compiler/rustc_type_ir/src/binder.rs new file mode 100644 index 000000000000..5336b915a1d3 --- /dev/null +++ b/compiler/rustc_type_ir/src/binder.rs @@ -0,0 +1,340 @@ +use std::fmt::Debug; +use std::hash::Hash; +use std::ops::{ControlFlow, Deref}; + +#[cfg(feature = "nightly")] +use rustc_macros::HashStable_NoContext; +use rustc_serialize::Decodable; + +use crate::fold::{FallibleTypeFolder, TypeFoldable, TypeSuperFoldable}; +use crate::inherent::*; +use crate::lift::Lift; +use crate::visit::{Flags, TypeSuperVisitable, TypeVisitable, TypeVisitableExt, TypeVisitor}; +use crate::{self as ty, Interner, SsoHashSet}; + +/// Binder is a binder for higher-ranked lifetimes or types. It is part of the +/// compiler's representation for things like `for<'a> Fn(&'a isize)` +/// (which would be represented by the type `PolyTraitRef == +/// Binder`). Note that when we instantiate, +/// erase, or otherwise "discharge" these bound vars, we change the +/// type from `Binder` to just `T` (see +/// e.g., `liberate_late_bound_regions`). +/// +/// `Decodable` and `Encodable` are implemented for `Binder` using the `impl_binder_encode_decode!` macro. +#[derive(derivative::Derivative)] +#[derivative( + Clone(bound = "T: Clone"), + Copy(bound = "T: Copy"), + Hash(bound = "T: Hash"), + PartialEq(bound = "T: PartialEq"), + Eq(bound = "T: Eq"), + Debug(bound = "T: Debug") +)] +#[cfg_attr(feature = "nightly", derive(HashStable_NoContext))] +pub struct Binder { + value: T, + bound_vars: I::BoundVarKinds, +} + +// FIXME: We manually derive `Lift` because the `derive(Lift_Generic)` doesn't +// understand how to turn `T` to `T::Lifted` in the output `type Lifted`. +impl Lift for Binder +where + T: Lift, + I::BoundVarKinds: Lift, +{ + type Lifted = Binder; + + fn lift_to_tcx(self, tcx: U) -> Option { + Some(Binder { + value: self.value.lift_to_tcx(tcx)?, + bound_vars: self.bound_vars.lift_to_tcx(tcx)?, + }) + } +} + +macro_rules! impl_binder_encode_decode { + ($($t:ty),+ $(,)?) => { + $( + impl> rustc_serialize::Encodable for ty::Binder + where + $t: rustc_serialize::Encodable, + I::BoundVarKinds: rustc_serialize::Encodable, + { + fn encode(&self, e: &mut E) { + self.bound_vars().encode(e); + self.as_ref().skip_binder().encode(e); + } + } + impl> Decodable for ty::Binder + where + $t: TypeVisitable + rustc_serialize::Decodable, + I::BoundVarKinds: rustc_serialize::Decodable, + { + fn decode(decoder: &mut D) -> Self { + let bound_vars = Decodable::decode(decoder); + ty::Binder::bind_with_vars(<$t>::decode(decoder), bound_vars) + } + } + )* + } +} + +impl_binder_encode_decode! { + ty::FnSig, + ty::TraitPredicate, + ty::ExistentialPredicate, + ty::TraitRef, + ty::ExistentialTraitRef, +} + +impl Binder +where + T: TypeVisitable, +{ + /// Wraps `value` in a binder, asserting that `value` does not + /// contain any bound vars that would be bound by the + /// binder. This is commonly used to 'inject' a value T into a + /// different binding level. + #[track_caller] + pub fn dummy(value: T) -> Binder { + assert!( + !value.has_escaping_bound_vars(), + "`{value:?}` has escaping bound vars, so it cannot be wrapped in a dummy binder." + ); + Binder { value, bound_vars: Default::default() } + } + + pub fn bind_with_vars(value: T, bound_vars: I::BoundVarKinds) -> Binder { + if cfg!(debug_assertions) { + let mut validator = ValidateBoundVars::new(bound_vars); + value.visit_with(&mut validator); + } + Binder { value, bound_vars } + } +} + +impl> TypeFoldable for Binder { + fn try_fold_with>(self, folder: &mut F) -> Result { + folder.try_fold_binder(self) + } +} + +impl> TypeVisitable for Binder { + fn visit_with>(&self, visitor: &mut V) -> V::Result { + visitor.visit_binder(self) + } +} + +impl> TypeSuperFoldable for Binder { + fn try_super_fold_with>( + self, + folder: &mut F, + ) -> Result { + self.try_map_bound(|ty| ty.try_fold_with(folder)) + } +} + +impl> TypeSuperVisitable for Binder { + fn super_visit_with>(&self, visitor: &mut V) -> V::Result { + self.as_ref().skip_binder().visit_with(visitor) + } +} + +impl Binder { + /// Skips the binder and returns the "bound" value. This is a + /// risky thing to do because it's easy to get confused about + /// De Bruijn indices and the like. It is usually better to + /// discharge the binder using `no_bound_vars` or + /// `instantiate_bound_regions` or something like + /// that. `skip_binder` is only valid when you are either + /// extracting data that has nothing to do with bound vars, you + /// are doing some sort of test that does not involve bound + /// regions, or you are being very careful about your depth + /// accounting. + /// + /// Some examples where `skip_binder` is reasonable: + /// + /// - extracting the `DefId` from a PolyTraitRef; + /// - comparing the self type of a PolyTraitRef to see if it is equal to + /// a type parameter `X`, since the type `X` does not reference any regions + pub fn skip_binder(self) -> T { + self.value + } + + pub fn bound_vars(&self) -> I::BoundVarKinds { + self.bound_vars + } + + pub fn as_ref(&self) -> Binder { + Binder { value: &self.value, bound_vars: self.bound_vars } + } + + pub fn as_deref(&self) -> Binder + where + T: Deref, + { + Binder { value: &self.value, bound_vars: self.bound_vars } + } + + pub fn map_bound_ref>(&self, f: F) -> Binder + where + F: FnOnce(&T) -> U, + { + self.as_ref().map_bound(f) + } + + pub fn map_bound>(self, f: F) -> Binder + where + F: FnOnce(T) -> U, + { + let Binder { value, bound_vars } = self; + let value = f(value); + if cfg!(debug_assertions) { + let mut validator = ValidateBoundVars::new(bound_vars); + value.visit_with(&mut validator); + } + Binder { value, bound_vars } + } + + pub fn try_map_bound, E>(self, f: F) -> Result, E> + where + F: FnOnce(T) -> Result, + { + let Binder { value, bound_vars } = self; + let value = f(value)?; + if cfg!(debug_assertions) { + let mut validator = ValidateBoundVars::new(bound_vars); + value.visit_with(&mut validator); + } + Ok(Binder { value, bound_vars }) + } + + /// Wraps a `value` in a binder, using the same bound variables as the + /// current `Binder`. This should not be used if the new value *changes* + /// the bound variables. Note: the (old or new) value itself does not + /// necessarily need to *name* all the bound variables. + /// + /// This currently doesn't do anything different than `bind`, because we + /// don't actually track bound vars. However, semantically, it is different + /// because bound vars aren't allowed to change here, whereas they are + /// in `bind`. This may be (debug) asserted in the future. + pub fn rebind(&self, value: U) -> Binder + where + U: TypeVisitable, + { + Binder::bind_with_vars(value, self.bound_vars) + } + + /// Unwraps and returns the value within, but only if it contains + /// no bound vars at all. (In other words, if this binder -- + /// and indeed any enclosing binder -- doesn't bind anything at + /// all.) Otherwise, returns `None`. + /// + /// (One could imagine having a method that just unwraps a single + /// binder, but permits late-bound vars bound by enclosing + /// binders, but that would require adjusting the debruijn + /// indices, and given the shallow binding structure we often use, + /// would not be that useful.) + pub fn no_bound_vars(self) -> Option + where + T: TypeVisitable, + { + // `self.value` is equivalent to `self.skip_binder()` + if self.value.has_escaping_bound_vars() { None } else { Some(self.skip_binder()) } + } + + /// Splits the contents into two things that share the same binder + /// level as the original, returning two distinct binders. + /// + /// `f` should consider bound regions at depth 1 to be free, and + /// anything it produces with bound regions at depth 1 will be + /// bound in the resulting return values. + pub fn split(self, f: F) -> (Binder, Binder) + where + F: FnOnce(T) -> (U, V), + { + let Binder { value, bound_vars } = self; + let (u, v) = f(value); + (Binder { value: u, bound_vars }, Binder { value: v, bound_vars }) + } +} + +impl Binder> { + pub fn transpose(self) -> Option> { + let Binder { value, bound_vars } = self; + value.map(|value| Binder { value, bound_vars }) + } +} + +impl Binder { + pub fn iter(self) -> impl Iterator> { + let Binder { value, bound_vars } = self; + value.into_iter().map(move |value| Binder { value, bound_vars }) + } +} + +pub struct ValidateBoundVars { + bound_vars: I::BoundVarKinds, + binder_index: ty::DebruijnIndex, + // We may encounter the same variable at different levels of binding, so + // this can't just be `Ty` + visited: SsoHashSet<(ty::DebruijnIndex, I::Ty)>, +} + +impl ValidateBoundVars { + pub fn new(bound_vars: I::BoundVarKinds) -> Self { + ValidateBoundVars { + bound_vars, + binder_index: ty::INNERMOST, + visited: SsoHashSet::default(), + } + } +} + +impl TypeVisitor for ValidateBoundVars { + type Result = ControlFlow<()>; + + fn visit_binder>(&mut self, t: &Binder) -> Self::Result { + self.binder_index.shift_in(1); + let result = t.super_visit_with(self); + self.binder_index.shift_out(1); + result + } + + fn visit_ty(&mut self, t: I::Ty) -> Self::Result { + if t.outer_exclusive_binder() < self.binder_index + || !self.visited.insert((self.binder_index, t)) + { + return ControlFlow::Break(()); + } + match t.kind() { + ty::Bound(debruijn, bound_ty) if debruijn == self.binder_index => { + let idx = bound_ty.var().as_usize(); + if self.bound_vars.len() <= idx { + panic!("Not enough bound vars: {:?} not found in {:?}", t, self.bound_vars); + } + bound_ty.assert_eq(self.bound_vars[idx]); + } + _ => {} + }; + + t.super_visit_with(self) + } + + fn visit_region(&mut self, r: I::Region) -> Self::Result { + match r.kind() { + ty::ReBound(index, br) if index == self.binder_index => { + let idx = br.var().as_usize(); + if self.bound_vars.len() <= idx { + panic!("Not enough bound vars: {:?} not found in {:?}", r, self.bound_vars); + } + br.assert_eq(self.bound_vars[idx]); + } + + _ => (), + }; + + ControlFlow::Continue(()) + } +} diff --git a/compiler/rustc_type_ir/src/fold.rs b/compiler/rustc_type_ir/src/fold.rs index 01bb3d73dbdf..405aba30241b 100644 --- a/compiler/rustc_type_ir/src/fold.rs +++ b/compiler/rustc_type_ir/src/fold.rs @@ -48,8 +48,8 @@ use rustc_index::{Idx, IndexVec}; use std::mem; -use crate::Lrc; -use crate::{visit::TypeVisitable, Interner}; +use crate::visit::TypeVisitable; +use crate::{self as ty, Interner, Lrc}; #[cfg(feature = "nightly")] type Never = !; @@ -128,10 +128,9 @@ pub trait TypeSuperFoldable: TypeFoldable { pub trait TypeFolder: FallibleTypeFolder { fn interner(&self) -> I; - fn fold_binder(&mut self, t: I::Binder) -> I::Binder + fn fold_binder(&mut self, t: ty::Binder) -> ty::Binder where T: TypeFoldable, - I::Binder: TypeSuperFoldable, { t.super_fold_with(self) } @@ -167,10 +166,9 @@ pub trait FallibleTypeFolder: Sized { fn interner(&self) -> I; - fn try_fold_binder(&mut self, t: I::Binder) -> Result, Self::Error> + fn try_fold_binder(&mut self, t: ty::Binder) -> Result, Self::Error> where T: TypeFoldable, - I::Binder: TypeSuperFoldable, { t.try_super_fold_with(self) } @@ -206,10 +204,9 @@ where TypeFolder::interner(self) } - fn try_fold_binder(&mut self, t: I::Binder) -> Result, Never> + fn try_fold_binder(&mut self, t: ty::Binder) -> Result, Never> where T: TypeFoldable, - I::Binder: TypeSuperFoldable, { Ok(self.fold_binder(t)) } diff --git a/compiler/rustc_type_ir/src/inherent.rs b/compiler/rustc_type_ir/src/inherent.rs index f66c6e722f7c..77fe30a46608 100644 --- a/compiler/rustc_type_ir/src/inherent.rs +++ b/compiler/rustc_type_ir/src/inherent.rs @@ -8,11 +8,8 @@ use std::hash::Hash; use std::ops::Deref; use crate::fold::{TypeFoldable, TypeSuperFoldable}; -use crate::visit::{Flags, TypeSuperVisitable}; -use crate::{ - AliasTy, AliasTyKind, BoundVar, ConstKind, ConstVid, DebruijnIndex, DebugWithInfcx, InferConst, - InferTy, Interner, RegionKind, TyKind, TyVid, UnevaluatedConst, UniverseIndex, -}; +use crate::visit::{Flags, TypeSuperVisitable, TypeVisitable}; +use crate::{self as ty, DebugWithInfcx, Interner, UpcastFrom}; pub trait Ty>: Copy @@ -21,24 +18,30 @@ pub trait Ty>: + Eq + Into + Into - + IntoKind> + + IntoKind> + TypeSuperVisitable + TypeSuperFoldable + Flags { fn new_bool(interner: I) -> Self; - fn new_infer(interner: I, var: InferTy) -> Self; + fn new_infer(interner: I, var: ty::InferTy) -> Self; - fn new_var(interner: I, var: TyVid) -> Self; + fn new_var(interner: I, var: ty::TyVid) -> Self; - fn new_anon_bound(interner: I, debruijn: DebruijnIndex, var: BoundVar) -> Self; + fn new_anon_bound(interner: I, debruijn: ty::DebruijnIndex, var: ty::BoundVar) -> Self; - fn new_alias(interner: I, kind: AliasTyKind, alias_ty: AliasTy) -> Self; + fn new_alias(interner: I, kind: ty::AliasTyKind, alias_ty: ty::AliasTy) -> Self; } pub trait Tys>: - Copy + Debug + Hash + Eq + IntoIterator + Deref> + Copy + + Debug + + Hash + + Eq + + IntoIterator + + Deref> + + TypeVisitable { fn split_inputs_and_output(self) -> (I::FnInputTys, I::Ty); } @@ -49,13 +52,21 @@ pub trait Abi>: Copy + Debug + Hash + Eq { } pub trait Safety>: Copy + Debug + Hash + Eq { + fn is_safe(self) -> bool; + fn prefix_str(self) -> &'static str; } pub trait Region>: - Copy + DebugWithInfcx + Hash + Eq + Into + IntoKind> + Flags + Copy + + DebugWithInfcx + + Hash + + Eq + + Into + + IntoKind> + + Flags { - fn new_anon_bound(interner: I, debruijn: DebruijnIndex, var: BoundVar) -> Self; + fn new_anon_bound(interner: I, debruijn: ty::DebruijnIndex, var: ty::BoundVar) -> Self; fn new_static(interner: I) -> Self; } @@ -67,18 +78,23 @@ pub trait Const>: + Eq + Into + Into - + IntoKind> + + IntoKind> + TypeSuperVisitable + TypeSuperFoldable + Flags { - fn new_infer(interner: I, var: InferConst, ty: I::Ty) -> Self; + fn new_infer(interner: I, var: ty::InferConst, ty: I::Ty) -> Self; - fn new_var(interner: I, var: ConstVid, ty: I::Ty) -> Self; + fn new_var(interner: I, var: ty::ConstVid, ty: I::Ty) -> Self; - fn new_anon_bound(interner: I, debruijn: DebruijnIndex, var: BoundVar, ty: I::Ty) -> Self; + fn new_anon_bound( + interner: I, + debruijn: ty::DebruijnIndex, + var: ty::BoundVar, + ty: I::Ty, + ) -> Self; - fn new_unevaluated(interner: I, uv: UnevaluatedConst, ty: I::Ty) -> Self; + fn new_unevaluated(interner: I, uv: ty::UnevaluatedConst, ty: I::Ty) -> Self; fn ty(self) -> I::Ty; } @@ -100,6 +116,12 @@ pub trait GenericArgs>: fn type_at(self, i: usize) -> I::Ty; fn identity_for_item(interner: I, def_id: I::DefId) -> I::GenericArgs; + + fn extend_with_error( + tcx: I, + def_id: I::DefId, + original_args: &[I::GenericArg], + ) -> I::GenericArgs; } pub trait Predicate>: @@ -108,14 +130,25 @@ pub trait Predicate>: fn is_coinductive(self, interner: I) -> bool; } +pub trait Clause>: + Copy + + Debug + + Hash + + Eq + // FIXME: Remove these, uplift the `Upcast` impls. + + UpcastFrom>> + + UpcastFrom>> +{ +} + /// Common capabilities of placeholder kinds pub trait PlaceholderLike: Copy + Debug + Hash + Eq { - fn universe(self) -> UniverseIndex; - fn var(self) -> BoundVar; + fn universe(self) -> ty::UniverseIndex; + fn var(self) -> ty::BoundVar; - fn with_updated_universe(self, ui: UniverseIndex) -> Self; + fn with_updated_universe(self, ui: ty::UniverseIndex) -> Self; - fn new(ui: UniverseIndex, var: BoundVar) -> Self; + fn new(ui: ty::UniverseIndex, var: ty::BoundVar) -> Self; } pub trait IntoKind { @@ -124,12 +157,8 @@ pub trait IntoKind { fn kind(self) -> Self::Kind; } -pub trait BoundVars { - fn bound_vars(&self) -> I::BoundVars; - - fn has_no_bound_vars(&self) -> bool; -} - pub trait BoundVarLike { - fn var(self) -> BoundVar; + fn var(self) -> ty::BoundVar; + + fn assert_eq(self, var: I::BoundVarKind); } diff --git a/compiler/rustc_type_ir/src/interner.rs b/compiler/rustc_type_ir/src/interner.rs index 6516d5b16454..2ab81dfff326 100644 --- a/compiler/rustc_type_ir/src/interner.rs +++ b/compiler/rustc_type_ir/src/interner.rs @@ -28,19 +28,28 @@ pub trait Interner: + IrPrint> + IrPrint> { - type DefId: Copy + Debug + Hash + Eq; + type DefId: Copy + Debug + Hash + Eq + TypeVisitable; type AdtDef: Copy + Debug + Hash + Eq; type GenericArgs: GenericArgs; /// The slice of args for a specific item. For a GAT like `type Foo<'a>`, it will be `['a]`, /// not including the args from the parent item (trait or impl). type OwnItemArgs: Copy + Debug + Hash + Eq; - type GenericArg: Copy + DebugWithInfcx + Hash + Eq + IntoKind>; - type Term: Copy + Debug + Hash + Eq + IntoKind>; + type GenericArg: Copy + + DebugWithInfcx + + Hash + + Eq + + IntoKind> + + TypeVisitable; + type Term: Copy + Debug + Hash + Eq + IntoKind> + TypeVisitable; - type Binder>: BoundVars + TypeSuperVisitable; - type BoundVars: IntoIterator; - type BoundVar; + type BoundVarKinds: Copy + + Debug + + Hash + + Eq + + Deref> + + Default; + type BoundVarKind: Copy + Debug + Hash + Eq; type CanonicalVars: Copy + Debug + Hash + Eq + IntoIterator>; type PredefinedOpaques: Copy + Debug + Hash + Eq; @@ -51,7 +60,7 @@ pub trait Interner: // Kinds of tys type Ty: Ty; type Tys: Tys; - type FnInputTys: Copy + Debug + Hash + Eq + Deref; + type FnInputTys: Copy + Debug + Hash + Eq + Deref + TypeVisitable; type ParamTy: Copy + Debug + Hash + Eq; type BoundTy: Copy + Debug + Hash + Eq + BoundVarLike; type PlaceholderTy: PlaceholderLike; @@ -84,14 +93,15 @@ pub trait Interner: // Predicates type ParamEnv: Copy + Debug + Hash + Eq; type Predicate: Predicate; - type TraitPredicate: Copy + Debug + Hash + Eq; - type RegionOutlivesPredicate: Copy + Debug + Hash + Eq; - type TypeOutlivesPredicate: Copy + Debug + Hash + Eq; - type ProjectionPredicate: Copy + Debug + Hash + Eq; - type NormalizesTo: Copy + Debug + Hash + Eq; - type SubtypePredicate: Copy + Debug + Hash + Eq; - type CoercePredicate: Copy + Debug + Hash + Eq; - type ClosureKind: Copy + Debug + Hash + Eq; + type Clause: Clause; + type TraitPredicate: Copy + Debug + Hash + Eq + TypeVisitable; + type RegionOutlivesPredicate: Copy + Debug + Hash + Eq + TypeVisitable; + type TypeOutlivesPredicate: Copy + Debug + Hash + Eq + TypeVisitable; + type ProjectionPredicate: Copy + Debug + Hash + Eq + TypeVisitable; + type NormalizesTo: Copy + Debug + Hash + Eq + TypeVisitable; + type SubtypePredicate: Copy + Debug + Hash + Eq + TypeVisitable; + type CoercePredicate: Copy + Debug + Hash + Eq + TypeVisitable; + type ClosureKind: Copy + Debug + Hash + Eq + TypeVisitable; type Clauses: Copy + Debug + Hash + Eq + TypeSuperVisitable + Flags; fn mk_canonical_var_infos(self, infos: &[CanonicalVarInfo]) -> Self::CanonicalVars; diff --git a/compiler/rustc_type_ir/src/ir_print.rs b/compiler/rustc_type_ir/src/ir_print.rs index af4b9eef14b9..6d575b8e4423 100644 --- a/compiler/rustc_type_ir/src/ir_print.rs +++ b/compiler/rustc_type_ir/src/ir_print.rs @@ -1,7 +1,7 @@ use std::fmt; use crate::{ - AliasTerm, AliasTy, CoercePredicate, ExistentialProjection, ExistentialTraitRef, FnSig, + AliasTerm, AliasTy, Binder, CoercePredicate, ExistentialProjection, ExistentialTraitRef, FnSig, Interner, NormalizesTo, ProjectionPredicate, SubtypePredicate, TraitPredicate, TraitRef, }; @@ -22,6 +22,15 @@ macro_rules! define_display_via_print { } } +impl fmt::Display for Binder +where + I: IrPrint>, +{ + fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result { + >>::print(self, fmt) + } +} + macro_rules! define_debug_via_print { ($($ty:ident),+ $(,)?) => { $( diff --git a/compiler/rustc_type_ir/src/lib.rs b/compiler/rustc_type_ir/src/lib.rs index fa9bda9a2f75..4a461b5b5f3c 100644 --- a/compiler/rustc_type_ir/src/lib.rs +++ b/compiler/rustc_type_ir/src/lib.rs @@ -8,10 +8,14 @@ #[cfg(feature = "nightly")] extern crate self as rustc_type_ir; +#[cfg(feature = "nightly")] +use rustc_data_structures::sso::SsoHashSet; #[cfg(feature = "nightly")] use rustc_data_structures::sync::Lrc; #[cfg(feature = "nightly")] use rustc_macros::{Decodable, Encodable, HashStable_NoContext}; +#[cfg(not(feature = "nightly"))] +use std::collections::HashSet as SsoHashSet; use std::fmt; use std::hash::Hash; #[cfg(not(feature = "nightly"))] @@ -31,6 +35,7 @@ pub mod ty_kind; #[macro_use] mod macros; +mod binder; mod canonical; mod const_kind; mod debug; @@ -43,6 +48,7 @@ mod predicate_kind; mod region_kind; mod upcast; +pub use binder::*; pub use canonical::*; #[cfg(feature = "nightly")] pub use codec::*; @@ -374,6 +380,10 @@ impl inherent::BoundVarLike for BoundVar { fn var(self) -> BoundVar { self } + + fn assert_eq(self, _var: I::BoundVarKind) { + unreachable!("FIXME: We really should have a separate `BoundConst` for consts") + } } /// Represents the various closure traits in the language. This diff --git a/compiler/rustc_type_ir/src/predicate.rs b/compiler/rustc_type_ir/src/predicate.rs index c0619d782c68..b4f3d62f10e3 100644 --- a/compiler/rustc_type_ir/src/predicate.rs +++ b/compiler/rustc_type_ir/src/predicate.rs @@ -6,10 +6,9 @@ use rustc_macros::{Decodable, Encodable, HashStable_NoContext, TyDecodable, TyEn use rustc_type_ir_macros::{Lift_Generic, TypeFoldable_Generic, TypeVisitable_Generic}; use crate::inherent::*; +use crate::upcast::Upcast; use crate::visit::TypeVisitableExt as _; -use crate::{ - AliasTy, AliasTyKind, DebugWithInfcx, InferCtxtLike, Interner, UnevaluatedConst, WithInfcx, -}; +use crate::{self as ty, DebugWithInfcx, InferCtxtLike, Interner, WithInfcx}; /// A complete reference to a trait. These take numerous guises in syntax, /// but perhaps the most recognizable form is in a where-clause: @@ -75,6 +74,16 @@ impl TraitRef { } } +impl ty::Binder> { + pub fn self_ty(&self) -> ty::Binder { + self.map_bound_ref(|tr| tr.self_ty()) + } + + pub fn def_id(&self) -> I::DefId { + self.skip_binder().def_id + } +} + #[derive(derivative::Derivative)] #[derivative( Clone(bound = ""), @@ -112,6 +121,22 @@ impl TraitPredicate { } } +impl ty::Binder> { + pub fn def_id(self) -> I::DefId { + // Ok to skip binder since trait `DefId` does not care about regions. + self.skip_binder().def_id() + } + + pub fn self_ty(self) -> ty::Binder { + self.map_bound(|trait_ref| trait_ref.self_ty()) + } + + #[inline] + pub fn polarity(self) -> PredicatePolarity { + self.skip_binder().polarity + } +} + impl fmt::Debug for TraitPredicate { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { // FIXME(effects) printing? @@ -204,6 +229,34 @@ impl DebugWithInfcx for ExistentialPredicate { } } +impl ty::Binder> { + /// Given an existential predicate like `?Self: PartialEq` (e.g., derived from `dyn PartialEq`), + /// and a concrete type `self_ty`, returns a full predicate where the existentially quantified variable `?Self` + /// has been replaced with `self_ty` (e.g., `self_ty: PartialEq`, in our example). + pub fn with_self_ty(&self, tcx: I, self_ty: I::Ty) -> I::Clause { + match self.skip_binder() { + ExistentialPredicate::Trait(tr) => { + self.rebind(tr).with_self_ty(tcx, self_ty).upcast(tcx) + } + ExistentialPredicate::Projection(p) => { + self.rebind(p.with_self_ty(tcx, self_ty)).upcast(tcx) + } + ExistentialPredicate::AutoTrait(did) => { + let generics = tcx.generics_of(did); + let trait_ref = if generics.count() == 1 { + ty::TraitRef::new(tcx, did, [self_ty]) + } else { + // If this is an ill-formed auto trait, then synthesize + // new error args for the missing generics. + let err_args = GenericArgs::extend_with_error(tcx, did, &[self_ty.into()]); + ty::TraitRef::new(tcx, did, err_args) + }; + self.rebind(trait_ref).upcast(tcx) + } + } + } +} + /// An existential reference to a trait, where `Self` is erased. /// For example, the trait object `Trait<'a, 'b, X, Y>` is: /// ```ignore (illustrative) @@ -253,6 +306,20 @@ impl ExistentialTraitRef { } } +impl ty::Binder> { + pub fn def_id(&self) -> I::DefId { + self.skip_binder().def_id + } + + /// Object types don't have a self type specified. Therefore, when + /// we convert the principal trait-ref into a normal trait-ref, + /// you must give *some* self type. A common choice is `mk_err()` + /// or some placeholder type. + pub fn with_self_ty(&self, tcx: I, self_ty: I::Ty) -> ty::Binder> { + self.map_bound(|trait_ref| trait_ref.with_self_ty(tcx, self_ty)) + } +} + /// A `ProjectionPredicate` for an `ExistentialTraitRef`. #[derive(derivative::Derivative)] #[derivative( @@ -308,6 +375,16 @@ impl ExistentialProjection { } } +impl ty::Binder> { + pub fn with_self_ty(&self, tcx: I, self_ty: I::Ty) -> ty::Binder> { + self.map_bound(|p| p.with_self_ty(tcx, self_ty)) + } + + pub fn item_def_id(&self) -> I::DefId { + self.skip_binder().def_id + } +} + #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)] #[cfg_attr(feature = "nightly", derive(Encodable, Decodable, HashStable_NoContext))] pub enum AliasTermKind { @@ -414,7 +491,7 @@ impl AliasTerm { AliasTerm { def_id, args, _use_alias_term_new_instead: () } } - pub fn expect_ty(self, interner: I) -> AliasTy { + pub fn expect_ty(self, interner: I) -> ty::AliasTy { match self.kind(interner) { AliasTermKind::ProjectionTy | AliasTermKind::InherentTy @@ -424,7 +501,7 @@ impl AliasTerm { panic!("Cannot turn `UnevaluatedConst` into `AliasTy`") } } - AliasTy { def_id: self.def_id, args: self.args, _use_alias_ty_new_instead: () } + ty::AliasTy { def_id: self.def_id, args: self.args, _use_alias_ty_new_instead: () } } pub fn kind(self, interner: I) -> AliasTermKind { @@ -435,32 +512,32 @@ impl AliasTerm { match self.kind(interner) { AliasTermKind::ProjectionTy => Ty::new_alias( interner, - AliasTyKind::Projection, - AliasTy { def_id: self.def_id, args: self.args, _use_alias_ty_new_instead: () }, + ty::AliasTyKind::Projection, + ty::AliasTy { def_id: self.def_id, args: self.args, _use_alias_ty_new_instead: () }, ) .into(), AliasTermKind::InherentTy => Ty::new_alias( interner, - AliasTyKind::Inherent, - AliasTy { def_id: self.def_id, args: self.args, _use_alias_ty_new_instead: () }, + ty::AliasTyKind::Inherent, + ty::AliasTy { def_id: self.def_id, args: self.args, _use_alias_ty_new_instead: () }, ) .into(), AliasTermKind::OpaqueTy => Ty::new_alias( interner, - AliasTyKind::Opaque, - AliasTy { def_id: self.def_id, args: self.args, _use_alias_ty_new_instead: () }, + ty::AliasTyKind::Opaque, + ty::AliasTy { def_id: self.def_id, args: self.args, _use_alias_ty_new_instead: () }, ) .into(), AliasTermKind::WeakTy => Ty::new_alias( interner, - AliasTyKind::Weak, - AliasTy { def_id: self.def_id, args: self.args, _use_alias_ty_new_instead: () }, + ty::AliasTyKind::Weak, + ty::AliasTy { def_id: self.def_id, args: self.args, _use_alias_ty_new_instead: () }, ) .into(), AliasTermKind::UnevaluatedConst | AliasTermKind::ProjectionConst => { I::Const::new_unevaluated( interner, - UnevaluatedConst::new(self.def_id, self.args), + ty::UnevaluatedConst::new(self.def_id, self.args), interner.type_of_instantiated(self.def_id, self.args), ) .into() @@ -514,14 +591,14 @@ impl AliasTerm { } } -impl From> for AliasTerm { - fn from(ty: AliasTy) -> Self { +impl From> for AliasTerm { + fn from(ty: ty::AliasTy) -> Self { AliasTerm { args: ty.args, def_id: ty.def_id, _use_alias_term_new_instead: () } } } -impl From> for AliasTerm { - fn from(ct: UnevaluatedConst) -> Self { +impl From> for AliasTerm { + fn from(ct: ty::UnevaluatedConst) -> Self { AliasTerm { args: ct.args, def_id: ct.def, _use_alias_term_new_instead: () } } } @@ -571,6 +648,40 @@ impl ProjectionPredicate { } } +impl ty::Binder> { + /// Returns the `DefId` of the trait of the associated item being projected. + #[inline] + pub fn trait_def_id(&self, tcx: I) -> I::DefId { + self.skip_binder().projection_term.trait_def_id(tcx) + } + + /// Get the trait ref required for this projection to be well formed. + /// Note that for generic associated types the predicates of the associated + /// type also need to be checked. + #[inline] + pub fn required_poly_trait_ref(&self, tcx: I) -> ty::Binder> { + // Note: unlike with `TraitRef::to_poly_trait_ref()`, + // `self.0.trait_ref` is permitted to have escaping regions. + // This is because here `self` has a `Binder` and so does our + // return value, so we are preserving the number of binding + // levels. + self.map_bound(|predicate| predicate.projection_term.trait_ref(tcx)) + } + + pub fn term(&self) -> ty::Binder { + self.map_bound(|predicate| predicate.term) + } + + /// The `DefId` of the `TraitItem` for the associated type. + /// + /// Note that this is not the `DefId` of the `TraitRef` containing this + /// associated type, which is in `tcx.associated_item(projection_def_id()).container`. + pub fn projection_def_id(&self) -> I::DefId { + // Ok to skip binder since trait `DefId` does not care about regions. + self.skip_binder().projection_term.def_id + } +} + impl fmt::Debug for ProjectionPredicate { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { write!(f, "ProjectionPredicate({:?}, {:?})", self.projection_term, self.term) diff --git a/compiler/rustc_type_ir/src/ty_kind.rs b/compiler/rustc_type_ir/src/ty_kind.rs index 629ea9fb839c..38082bf3c16f 100644 --- a/compiler/rustc_type_ir/src/ty_kind.rs +++ b/compiler/rustc_type_ir/src/ty_kind.rs @@ -8,7 +8,7 @@ use rustc_type_ir_macros::{Lift_Generic, TypeFoldable_Generic, TypeVisitable_Gen use std::fmt; use crate::inherent::*; -use crate::{DebruijnIndex, DebugWithInfcx, InferCtxtLike, Interner, TraitRef, WithInfcx}; +use crate::{self as ty, DebruijnIndex, DebugWithInfcx, InferCtxtLike, Interner, WithInfcx}; use self::TyKind::*; @@ -514,7 +514,7 @@ impl AliasTy { /// For example, if this is a projection of `::Item<'a>`, /// then this function would return a `T: StreamingIterator` trait reference and /// `['a]` as the own args. - pub fn trait_ref_and_own_args(self, interner: I) -> (TraitRef, I::OwnItemArgs) { + pub fn trait_ref_and_own_args(self, interner: I) -> (ty::TraitRef, I::OwnItemArgs) { debug_assert_eq!(self.kind(interner), AliasTyKind::Projection); interner.trait_ref_and_own_args_for_alias(self.def_id, self.args) } @@ -526,7 +526,7 @@ impl AliasTy { /// WARNING: This will drop the args for generic associated types /// consider calling [Self::trait_ref_and_own_args] to get those /// as well. - pub fn trait_ref(self, interner: I) -> TraitRef { + pub fn trait_ref(self, interner: I) -> ty::TraitRef { self.trait_ref_and_own_args(interner).0 } } @@ -982,6 +982,49 @@ impl FnSig { pub fn output(self) -> I::Ty { self.split_inputs_and_output().1 } + + pub fn is_fn_trait_compatible(self) -> bool { + let FnSig { safety, abi, c_variadic, .. } = self; + !c_variadic && safety.is_safe() && abi.is_rust() + } +} + +impl ty::Binder> { + #[inline] + pub fn inputs(self) -> ty::Binder { + self.map_bound(|fn_sig| fn_sig.inputs()) + } + + #[inline] + #[track_caller] + pub fn input(self, index: usize) -> ty::Binder { + self.map_bound(|fn_sig| fn_sig.inputs()[index]) + } + + pub fn inputs_and_output(self) -> ty::Binder { + self.map_bound(|fn_sig| fn_sig.inputs_and_output) + } + + #[inline] + pub fn output(self) -> ty::Binder { + self.map_bound(|fn_sig| fn_sig.output()) + } + + pub fn c_variadic(self) -> bool { + self.skip_binder().c_variadic + } + + pub fn safety(self) -> I::Safety { + self.skip_binder().safety + } + + pub fn abi(self) -> I::Abi { + self.skip_binder().abi + } + + pub fn is_fn_trait_compatible(&self) -> bool { + self.skip_binder().is_fn_trait_compatible() + } } impl fmt::Debug for FnSig { diff --git a/compiler/rustc_type_ir/src/visit.rs b/compiler/rustc_type_ir/src/visit.rs index 3d4125f600ef..6880c7b8cefc 100644 --- a/compiler/rustc_type_ir/src/visit.rs +++ b/compiler/rustc_type_ir/src/visit.rs @@ -90,7 +90,7 @@ pub trait TypeVisitor: Sized { #[cfg(not(feature = "nightly"))] type Result: VisitorResult; - fn visit_binder>(&mut self, t: &I::Binder) -> Self::Result { + fn visit_binder>(&mut self, t: &ty::Binder) -> Self::Result { t.super_visit_with(self) } @@ -376,11 +376,11 @@ impl std::fmt::Debug for HasTypeFlagsVisitor { impl TypeVisitor for HasTypeFlagsVisitor { type Result = ControlFlow; - fn visit_binder>(&mut self, t: &I::Binder) -> Self::Result { + fn visit_binder>(&mut self, t: &ty::Binder) -> Self::Result { // If we're looking for the HAS_BINDER_VARS flag, check if the // binder has vars. This won't be present in the binder's bound // value, so we need to check here too. - if self.flags.intersects(TypeFlags::HAS_BINDER_VARS) && !t.has_no_bound_vars() { + if self.flags.intersects(TypeFlags::HAS_BINDER_VARS) && !t.bound_vars().is_empty() { return ControlFlow::Break(FoundFlags); } @@ -476,7 +476,7 @@ struct HasEscapingVarsVisitor { impl TypeVisitor for HasEscapingVarsVisitor { type Result = ControlFlow; - fn visit_binder>(&mut self, t: &I::Binder) -> Self::Result { + fn visit_binder>(&mut self, t: &ty::Binder) -> Self::Result { self.outer_index.shift_in(1); let result = t.super_visit_with(self); self.outer_index.shift_out(1); From 1c8230ea3c54e3f020f1df75d77810e8a5689410 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Tue, 21 May 2024 11:07:54 -0400 Subject: [PATCH 0382/1716] Uplift OutlivesPredicate, remove a bunch of unnecessary associated types from Interner --- .../src/type_check/constraint_conversion.rs | 4 +-- .../rustc_hir_analysis/src/outlives/utils.rs | 2 +- .../rustc_infer/src/infer/outlives/env.rs | 3 +- .../rustc_infer/src/infer/outlives/verify.rs | 6 ++-- compiler/rustc_middle/src/infer/canonical.rs | 4 +-- compiler/rustc_middle/src/ty/context.rs | 10 ------ compiler/rustc_middle/src/ty/predicate.rs | 33 +++++++------------ compiler/rustc_middle/src/ty/print/pretty.rs | 8 ++--- .../rustc_smir/src/rustc_smir/convert/ty.rs | 7 ++-- .../query/type_op/implied_outlives_bounds.rs | 3 +- compiler/rustc_type_ir/src/const_kind.rs | 4 +-- compiler/rustc_type_ir/src/interner.rs | 9 ----- compiler/rustc_type_ir/src/ir_print.rs | 12 ++++++- compiler/rustc_type_ir/src/predicate.rs | 29 ++++++++++++++++ compiler/rustc_type_ir/src/predicate_kind.rs | 20 +++++------ 15 files changed, 79 insertions(+), 75 deletions(-) diff --git a/compiler/rustc_borrowck/src/type_check/constraint_conversion.rs b/compiler/rustc_borrowck/src/type_check/constraint_conversion.rs index 5aa8fe213814..b23ad2e15842 100644 --- a/compiler/rustc_borrowck/src/type_check/constraint_conversion.rs +++ b/compiler/rustc_borrowck/src/type_check/constraint_conversion.rs @@ -136,7 +136,7 @@ impl<'a, 'tcx> ConstraintConversion<'a, 'tcx> { fn convert( &mut self, - predicate: ty::OutlivesPredicate, ty::Region<'tcx>>, + predicate: ty::OutlivesPredicate<'tcx, ty::GenericArg<'tcx>>, constraint_category: ConstraintCategory<'tcx>, ) { debug!("generate: constraints at: {:#?}", self.locations); @@ -276,7 +276,7 @@ impl<'a, 'tcx> ConstraintConversion<'a, 'tcx> { &self, ty: Ty<'tcx>, next_outlives_predicates: &mut Vec<( - ty::OutlivesPredicate, ty::Region<'tcx>>, + ty::OutlivesPredicate<'tcx, ty::GenericArg<'tcx>>, ConstraintCategory<'tcx>, )>, ) -> Ty<'tcx> { diff --git a/compiler/rustc_hir_analysis/src/outlives/utils.rs b/compiler/rustc_hir_analysis/src/outlives/utils.rs index 95290bbecf2c..5086c2af3f65 100644 --- a/compiler/rustc_hir_analysis/src/outlives/utils.rs +++ b/compiler/rustc_hir_analysis/src/outlives/utils.rs @@ -9,7 +9,7 @@ use smallvec::smallvec; /// Tracks the `T: 'a` or `'a: 'a` predicates that we have inferred /// must be added to the struct header. pub(crate) type RequiredPredicates<'tcx> = - FxIndexMap, ty::Region<'tcx>>, Span>; + FxIndexMap>, Span>; /// Given a requirement `T: 'a` or `'b: 'a`, deduce the /// outlives_component and add it to `required_predicates` diff --git a/compiler/rustc_infer/src/infer/outlives/env.rs b/compiler/rustc_infer/src/infer/outlives/env.rs index c44a5082f68b..5bcb4f29364d 100644 --- a/compiler/rustc_infer/src/infer/outlives/env.rs +++ b/compiler/rustc_infer/src/infer/outlives/env.rs @@ -64,8 +64,7 @@ struct OutlivesEnvironmentBuilder<'tcx> { /// "Region-bound pairs" tracks outlives relations that are known to /// be true, either because of explicit where-clauses like `T: 'a` or /// because of implied bounds. -pub type RegionBoundPairs<'tcx> = - FxIndexSet, Region<'tcx>>>; +pub type RegionBoundPairs<'tcx> = FxIndexSet>>; impl<'tcx> OutlivesEnvironment<'tcx> { /// Create a builder using `ParamEnv` and add explicit outlives bounds into it. diff --git a/compiler/rustc_infer/src/infer/outlives/verify.rs b/compiler/rustc_infer/src/infer/outlives/verify.rs index bd981c205677..7e977b9b9545 100644 --- a/compiler/rustc_infer/src/infer/outlives/verify.rs +++ b/compiler/rustc_infer/src/infer/outlives/verify.rs @@ -94,7 +94,7 @@ impl<'cx, 'tcx> VerifyBoundCx<'cx, 'tcx> { pub fn approx_declared_bounds_from_env( &self, alias_ty: ty::AliasTy<'tcx>, - ) -> Vec, ty::Region<'tcx>>>> { + ) -> Vec> { let erased_alias_ty = self.tcx.erase_regions(alias_ty.to_ty(self.tcx)); self.declared_generic_bounds_from_env_for_erased_ty(erased_alias_ty) } @@ -193,7 +193,7 @@ impl<'cx, 'tcx> VerifyBoundCx<'cx, 'tcx> { fn declared_generic_bounds_from_env( &self, generic_ty: Ty<'tcx>, - ) -> Vec, ty::Region<'tcx>>>> { + ) -> Vec> { assert!(matches!(generic_ty.kind(), ty::Param(_) | ty::Placeholder(_))); self.declared_generic_bounds_from_env_for_erased_ty(generic_ty) } @@ -213,7 +213,7 @@ impl<'cx, 'tcx> VerifyBoundCx<'cx, 'tcx> { fn declared_generic_bounds_from_env_for_erased_ty( &self, erased_ty: Ty<'tcx>, - ) -> Vec, ty::Region<'tcx>>>> { + ) -> Vec> { let tcx = self.tcx; // To start, collect bounds from user environment. Note that diff --git a/compiler/rustc_middle/src/infer/canonical.rs b/compiler/rustc_middle/src/infer/canonical.rs index 49bf03e9c754..dba71d88f404 100644 --- a/compiler/rustc_middle/src/infer/canonical.rs +++ b/compiler/rustc_middle/src/infer/canonical.rs @@ -32,7 +32,7 @@ use std::collections::hash_map::Entry; use crate::infer::MemberConstraint; use crate::mir::ConstraintCategory; use crate::ty::GenericArg; -use crate::ty::{self, List, Region, Ty, TyCtxt, TypeFlags, TypeVisitableExt}; +use crate::ty::{self, List, Ty, TyCtxt, TypeFlags, TypeVisitableExt}; pub type Canonical<'tcx, V> = ir::Canonical, V>; pub type CanonicalVarInfo<'tcx> = ir::CanonicalVarInfo>; @@ -141,7 +141,7 @@ impl<'tcx, R> QueryResponse<'tcx, R> { } pub type QueryOutlivesConstraint<'tcx> = - (ty::OutlivesPredicate, Region<'tcx>>, ConstraintCategory<'tcx>); + (ty::OutlivesPredicate<'tcx, GenericArg<'tcx>>, ConstraintCategory<'tcx>); TrivialTypeTraversalImpls! { crate::infer::canonical::Certainty, diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index a457319c5f89..896114e2483c 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -121,7 +121,6 @@ impl<'tcx> Interner for TyCtxt<'tcx> { type Abi = abi::Abi; type Const = ty::Const<'tcx>; - type AliasConst = ty::UnevaluatedConst<'tcx>; type PlaceholderConst = ty::PlaceholderConst; type ParamConst = ty::ParamConst; type BoundConst = ty::BoundVar; @@ -137,15 +136,6 @@ impl<'tcx> Interner for TyCtxt<'tcx> { type ParamEnv = ty::ParamEnv<'tcx>; type Predicate = Predicate<'tcx>; type Clause = Clause<'tcx>; - type TraitPredicate = ty::TraitPredicate<'tcx>; - type RegionOutlivesPredicate = ty::RegionOutlivesPredicate<'tcx>; - type TypeOutlivesPredicate = ty::TypeOutlivesPredicate<'tcx>; - type ProjectionPredicate = ty::ProjectionPredicate<'tcx>; - type NormalizesTo = ty::NormalizesTo<'tcx>; - type SubtypePredicate = ty::SubtypePredicate<'tcx>; - - type CoercePredicate = ty::CoercePredicate<'tcx>; - type ClosureKind = ty::ClosureKind; type Clauses = ty::Clauses<'tcx>; diff --git a/compiler/rustc_middle/src/ty/predicate.rs b/compiler/rustc_middle/src/ty/predicate.rs index 067d490078d3..293cc0a7eca3 100644 --- a/compiler/rustc_middle/src/ty/predicate.rs +++ b/compiler/rustc_middle/src/ty/predicate.rs @@ -1,9 +1,7 @@ use rustc_data_structures::captures::Captures; use rustc_data_structures::intern::Interned; use rustc_hir::def_id::DefId; -use rustc_macros::{ - extension, HashStable, Lift, TyDecodable, TyEncodable, TypeFoldable, TypeVisitable, -}; +use rustc_macros::{extension, HashStable}; use rustc_type_ir as ir; use std::cmp::Ordering; @@ -24,6 +22,15 @@ pub type PredicateKind<'tcx> = ir::PredicateKind>; pub type NormalizesTo<'tcx> = ir::NormalizesTo>; pub type CoercePredicate<'tcx> = ir::CoercePredicate>; pub type SubtypePredicate<'tcx> = ir::SubtypePredicate>; +pub type OutlivesPredicate<'tcx, T> = ir::OutlivesPredicate, T>; +pub type RegionOutlivesPredicate<'tcx> = OutlivesPredicate<'tcx, ty::Region<'tcx>>; +pub type TypeOutlivesPredicate<'tcx> = OutlivesPredicate<'tcx, Ty<'tcx>>; +pub type PolyTraitPredicate<'tcx> = ty::Binder<'tcx, TraitPredicate<'tcx>>; +pub type PolyRegionOutlivesPredicate<'tcx> = ty::Binder<'tcx, RegionOutlivesPredicate<'tcx>>; +pub type PolyTypeOutlivesPredicate<'tcx> = ty::Binder<'tcx, TypeOutlivesPredicate<'tcx>>; +pub type PolySubtypePredicate<'tcx> = ty::Binder<'tcx, SubtypePredicate<'tcx>>; +pub type PolyCoercePredicate<'tcx> = ty::Binder<'tcx, CoercePredicate<'tcx>>; +pub type PolyProjectionPredicate<'tcx> = ty::Binder<'tcx, ProjectionPredicate<'tcx>>; /// A statement that can be proven by a trait solver. This includes things that may /// show up in where clauses, such as trait predicates and projection predicates, @@ -405,20 +412,6 @@ impl<'tcx> Clause<'tcx> { } } -pub type PolyTraitPredicate<'tcx> = ty::Binder<'tcx, TraitPredicate<'tcx>>; - -/// `A: B` -#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Debug, TyEncodable, TyDecodable)] -#[derive(HashStable, TypeFoldable, TypeVisitable, Lift)] -pub struct OutlivesPredicate(pub A, pub B); -pub type RegionOutlivesPredicate<'tcx> = OutlivesPredicate, ty::Region<'tcx>>; -pub type TypeOutlivesPredicate<'tcx> = OutlivesPredicate, ty::Region<'tcx>>; -pub type PolyRegionOutlivesPredicate<'tcx> = ty::Binder<'tcx, RegionOutlivesPredicate<'tcx>>; -pub type PolyTypeOutlivesPredicate<'tcx> = ty::Binder<'tcx, TypeOutlivesPredicate<'tcx>>; -pub type PolySubtypePredicate<'tcx> = ty::Binder<'tcx, SubtypePredicate<'tcx>>; -pub type PolyCoercePredicate<'tcx> = ty::Binder<'tcx, CoercePredicate<'tcx>>; -pub type PolyProjectionPredicate<'tcx> = Binder<'tcx, ProjectionPredicate<'tcx>>; - pub trait ToPolyTraitRef<'tcx> { fn to_poly_trait_ref(&self) -> PolyTraitRef<'tcx>; } @@ -545,10 +538,8 @@ impl<'tcx> UpcastFrom, PolyRegionOutlivesPredicate<'tcx>> for Predi } } -impl<'tcx> UpcastFrom, OutlivesPredicate, ty::Region<'tcx>>> - for Predicate<'tcx> -{ - fn upcast_from(from: OutlivesPredicate, ty::Region<'tcx>>, tcx: TyCtxt<'tcx>) -> Self { +impl<'tcx> UpcastFrom, TypeOutlivesPredicate<'tcx>> for Predicate<'tcx> { + fn upcast_from(from: TypeOutlivesPredicate<'tcx>, tcx: TyCtxt<'tcx>) -> Self { ty::Binder::dummy(PredicateKind::Clause(ClauseKind::TypeOutlives(from))).upcast(tcx) } } diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs index f0bd071e451f..a1ead1bb59f5 100644 --- a/compiler/rustc_middle/src/ty/print/pretty.rs +++ b/compiler/rustc_middle/src/ty/print/pretty.rs @@ -2860,10 +2860,9 @@ where } } -impl<'tcx, T, U, P: PrettyPrinter<'tcx>> Print<'tcx, P> for ty::OutlivesPredicate +impl<'tcx, T, P: PrettyPrinter<'tcx>> Print<'tcx, P> for ty::OutlivesPredicate<'tcx, T> where T: Print<'tcx, P>, - U: Print<'tcx, P>, { fn print(&self, cx: &mut P) -> Result<(), PrintError> { define_scoped_cx!(cx); @@ -3016,10 +3015,7 @@ forward_display_to_print! { ty::Region<'tcx>, Ty<'tcx>, &'tcx ty::List>, - ty::Const<'tcx>, - - ty::OutlivesPredicate, ty::Region<'tcx>>, - ty::OutlivesPredicate, ty::Region<'tcx>> + ty::Const<'tcx> } define_print! { diff --git a/compiler/rustc_smir/src/rustc_smir/convert/ty.rs b/compiler/rustc_smir/src/rustc_smir/convert/ty.rs index 15447983abbc..be20924670c3 100644 --- a/compiler/rustc_smir/src/rustc_smir/convert/ty.rs +++ b/compiler/rustc_smir/src/rustc_smir/convert/ty.rs @@ -707,12 +707,11 @@ impl<'tcx> Stable<'tcx> for ty::TraitPredicate<'tcx> { } } -impl<'tcx, A, B, U, V> Stable<'tcx> for ty::OutlivesPredicate +impl<'tcx, T> Stable<'tcx> for ty::OutlivesPredicate<'tcx, T> where - A: Stable<'tcx, T = U>, - B: Stable<'tcx, T = V>, + T: Stable<'tcx>, { - type T = stable_mir::ty::OutlivesPredicate; + type T = stable_mir::ty::OutlivesPredicate; fn stable(&self, tables: &mut Tables<'_>) -> Self::T { let ty::OutlivesPredicate(a, b) = self; diff --git a/compiler/rustc_trait_selection/src/traits/query/type_op/implied_outlives_bounds.rs b/compiler/rustc_trait_selection/src/traits/query/type_op/implied_outlives_bounds.rs index f7e84a46639d..00cc77e71e72 100644 --- a/compiler/rustc_trait_selection/src/traits/query/type_op/implied_outlives_bounds.rs +++ b/compiler/rustc_trait_selection/src/traits/query/type_op/implied_outlives_bounds.rs @@ -162,8 +162,7 @@ pub fn compute_implied_outlives_bounds_compat_inner<'tcx>( let mut checked_wf_args = rustc_data_structures::fx::FxHashSet::default(); let mut wf_args = vec![ty.into()]; - let mut outlives_bounds: Vec, ty::Region<'tcx>>> = - vec![]; + let mut outlives_bounds: Vec>> = vec![]; while let Some(arg) = wf_args.pop() { if !checked_wf_args.insert(arg) { diff --git a/compiler/rustc_type_ir/src/const_kind.rs b/compiler/rustc_type_ir/src/const_kind.rs index af07e9ff96bf..7076df2893fe 100644 --- a/compiler/rustc_type_ir/src/const_kind.rs +++ b/compiler/rustc_type_ir/src/const_kind.rs @@ -5,7 +5,7 @@ use rustc_macros::{HashStable_NoContext, TyDecodable, TyEncodable}; use rustc_type_ir_macros::{Lift_Generic, TypeFoldable_Generic, TypeVisitable_Generic}; use std::fmt; -use crate::{DebruijnIndex, DebugWithInfcx, InferCtxtLike, Interner, WithInfcx}; +use crate::{self as ty, DebruijnIndex, DebugWithInfcx, InferCtxtLike, Interner, WithInfcx}; use self::ConstKind::*; @@ -29,7 +29,7 @@ pub enum ConstKind { /// An unnormalized const item such as an anon const or assoc const or free const item. /// Right now anything other than anon consts does not actually work properly but this /// should - Unevaluated(I::AliasConst), + Unevaluated(ty::UnevaluatedConst), /// Used to hold computed value. Value(I::ValueConst), diff --git a/compiler/rustc_type_ir/src/interner.rs b/compiler/rustc_type_ir/src/interner.rs index 2ab81dfff326..9b8bb210ff42 100644 --- a/compiler/rustc_type_ir/src/interner.rs +++ b/compiler/rustc_type_ir/src/interner.rs @@ -76,7 +76,6 @@ pub trait Interner: // Kinds of consts type Const: Const; - type AliasConst: Copy + DebugWithInfcx + Hash + Eq; type PlaceholderConst: PlaceholderLike; type ParamConst: Copy + Debug + Hash + Eq; type BoundConst: Copy + Debug + Hash + Eq + BoundVarLike; @@ -94,14 +93,6 @@ pub trait Interner: type ParamEnv: Copy + Debug + Hash + Eq; type Predicate: Predicate; type Clause: Clause; - type TraitPredicate: Copy + Debug + Hash + Eq + TypeVisitable; - type RegionOutlivesPredicate: Copy + Debug + Hash + Eq + TypeVisitable; - type TypeOutlivesPredicate: Copy + Debug + Hash + Eq + TypeVisitable; - type ProjectionPredicate: Copy + Debug + Hash + Eq + TypeVisitable; - type NormalizesTo: Copy + Debug + Hash + Eq + TypeVisitable; - type SubtypePredicate: Copy + Debug + Hash + Eq + TypeVisitable; - type CoercePredicate: Copy + Debug + Hash + Eq + TypeVisitable; - type ClosureKind: Copy + Debug + Hash + Eq + TypeVisitable; type Clauses: Copy + Debug + Hash + Eq + TypeSuperVisitable + Flags; fn mk_canonical_var_infos(self, infos: &[CanonicalVarInfo]) -> Self::CanonicalVars; diff --git a/compiler/rustc_type_ir/src/ir_print.rs b/compiler/rustc_type_ir/src/ir_print.rs index 6d575b8e4423..d57d0816680b 100644 --- a/compiler/rustc_type_ir/src/ir_print.rs +++ b/compiler/rustc_type_ir/src/ir_print.rs @@ -2,7 +2,8 @@ use std::fmt; use crate::{ AliasTerm, AliasTy, Binder, CoercePredicate, ExistentialProjection, ExistentialTraitRef, FnSig, - Interner, NormalizesTo, ProjectionPredicate, SubtypePredicate, TraitPredicate, TraitRef, + Interner, NormalizesTo, OutlivesPredicate, ProjectionPredicate, SubtypePredicate, + TraitPredicate, TraitRef, }; pub trait IrPrint { @@ -58,3 +59,12 @@ define_display_via_print!( ); define_debug_via_print!(TraitRef, ExistentialTraitRef, ExistentialProjection); + +impl fmt::Display for OutlivesPredicate +where + I: IrPrint>, +{ + fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result { + >>::print(self, fmt) + } +} diff --git a/compiler/rustc_type_ir/src/predicate.rs b/compiler/rustc_type_ir/src/predicate.rs index b4f3d62f10e3..4e12c6b3d671 100644 --- a/compiler/rustc_type_ir/src/predicate.rs +++ b/compiler/rustc_type_ir/src/predicate.rs @@ -6,10 +6,39 @@ use rustc_macros::{Decodable, Encodable, HashStable_NoContext, TyDecodable, TyEn use rustc_type_ir_macros::{Lift_Generic, TypeFoldable_Generic, TypeVisitable_Generic}; use crate::inherent::*; +use crate::lift::Lift; use crate::upcast::Upcast; use crate::visit::TypeVisitableExt as _; use crate::{self as ty, DebugWithInfcx, InferCtxtLike, Interner, WithInfcx}; +/// `A: 'region` +#[derive(derivative::Derivative)] +#[derivative( + Clone(bound = "A: Clone"), + Copy(bound = "A: Copy"), + Hash(bound = "A: Hash"), + PartialEq(bound = "A: PartialEq"), + Eq(bound = "A: Eq"), + Debug(bound = "A: fmt::Debug") +)] +#[derive(TypeVisitable_Generic, TypeFoldable_Generic)] +#[cfg_attr(feature = "nightly", derive(TyDecodable, TyEncodable, HashStable_NoContext))] +pub struct OutlivesPredicate(pub A, pub I::Region); + +// FIXME: We manually derive `Lift` because the `derive(Lift_Generic)` doesn't +// understand how to turn `A` to `A::Lifted` in the output `type Lifted`. +impl Lift for OutlivesPredicate +where + A: Lift, + I::Region: Lift, +{ + type Lifted = OutlivesPredicate; + + fn lift_to_tcx(self, tcx: U) -> Option { + Some(OutlivesPredicate(self.0.lift_to_tcx(tcx)?, self.1.lift_to_tcx(tcx)?)) + } +} + /// A complete reference to a trait. These take numerous guises in syntax, /// but perhaps the most recognizable form is in a where-clause: /// ```ignore (illustrative) diff --git a/compiler/rustc_type_ir/src/predicate_kind.rs b/compiler/rustc_type_ir/src/predicate_kind.rs index c477ab14153e..efe270ed6083 100644 --- a/compiler/rustc_type_ir/src/predicate_kind.rs +++ b/compiler/rustc_type_ir/src/predicate_kind.rs @@ -3,7 +3,7 @@ use rustc_macros::{Decodable, Encodable, HashStable_NoContext, TyDecodable, TyEn use rustc_type_ir_macros::{TypeFoldable_Generic, TypeVisitable_Generic}; use std::fmt; -use crate::Interner; +use crate::{self as ty, Interner}; /// A clause is something that can appear in where bounds or be inferred /// by implied bounds. @@ -15,17 +15,17 @@ pub enum ClauseKind { /// Corresponds to `where Foo: Bar`. `Foo` here would be /// the `Self` type of the trait reference and `A`, `B`, and `C` /// would be the type parameters. - Trait(I::TraitPredicate), + Trait(ty::TraitPredicate), - /// `where 'a: 'b` - RegionOutlives(I::RegionOutlivesPredicate), + /// `where 'a: 'r` + RegionOutlives(ty::OutlivesPredicate), - /// `where T: 'a` - TypeOutlives(I::TypeOutlivesPredicate), + /// `where T: 'r` + TypeOutlives(ty::OutlivesPredicate), /// `where ::Name == X`, approximately. /// See the `ProjectionPredicate` struct for details. - Projection(I::ProjectionPredicate), + Projection(ty::ProjectionPredicate), /// Ensures that a const generic argument to a parameter `const N: u8` /// is of type `u8`. @@ -75,7 +75,7 @@ pub enum PredicateKind { /// This obligation is created most often when we have two /// unresolved type variables and hence don't have enough /// information to process the subtyping obligation yet. - Subtype(I::SubtypePredicate), + Subtype(ty::SubtypePredicate), /// `T1` coerced to `T2` /// @@ -85,7 +85,7 @@ pub enum PredicateKind { /// obligation yet. At the moment, we actually process coercions /// very much like subtyping and don't handle the full coercion /// logic. - Coerce(I::CoercePredicate), + Coerce(ty::CoercePredicate), /// Constants must be equal. The first component is the const that is expected. ConstEquate(I::Const, I::Const), @@ -102,7 +102,7 @@ pub enum PredicateKind { /// `T as Trait>::Assoc`, `Projection(::Assoc, ?x)` constrains `?x` /// to `::Assoc` while `NormalizesTo(::Assoc, ?x)` /// results in `NoSolution`. - NormalizesTo(I::NormalizesTo), + NormalizesTo(ty::NormalizesTo), /// Separate from `ClauseKind::Projection` which is used for normalization in new solver. /// This predicate requires two terms to be equal to eachother. From 7439ecb07c85bcb148b3b62b2de0be746d5beac2 Mon Sep 17 00:00:00 2001 From: schvv31n Date: Tue, 21 May 2024 22:21:33 +0100 Subject: [PATCH 0383/1716] Added check for type unification with the iter --- .../src/methods/iter_on_single_or_empty_collections.rs | 10 +++++++--- tests/ui/iter_on_empty_collections.fixed | 4 ++++ tests/ui/iter_on_empty_collections.rs | 4 ++++ 3 files changed, 15 insertions(+), 3 deletions(-) diff --git a/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs b/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs index 1bf323cf3c7d..f4397212cf66 100644 --- a/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs +++ b/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs @@ -37,14 +37,18 @@ fn is_arg_ty_unified_in_fn<'tcx>( ) -> bool { let fn_sig = cx.tcx.fn_sig(fn_id).instantiate_identity(); let arg_id_in_args = args.into_iter().position(|e| e.hir_id == arg_id).unwrap(); - let arg_ty_in_args = fn_sig.input(arg_id_in_args); + let arg_ty_in_args = fn_sig.input(arg_id_in_args).skip_binder(); cx.tcx.predicates_of(fn_id).predicates.iter().any(|(clause, _)| { clause .as_projection_clause() .and_then(|p| p.map_bound(|p| p.term.ty()).transpose()) - .is_some_and(|ty| ty == arg_ty_in_args) - }) + .is_some_and(|ty| ty.skip_binder() == arg_ty_in_args) + }) || fn_sig + .inputs() + .iter() + .enumerate() + .any(|(i, ty)| i != arg_id_in_args && ty.skip_binder().walk().any(|arg| arg.as_type() == Some(arg_ty_in_args))) } pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>, method_name: &str, recv: &'tcx Expr<'tcx>) { diff --git a/tests/ui/iter_on_empty_collections.fixed b/tests/ui/iter_on_empty_collections.fixed index 4b5746c7b6f4..0f28b48d9ab8 100644 --- a/tests/ui/iter_on_empty_collections.fixed +++ b/tests/ui/iter_on_empty_collections.fixed @@ -38,6 +38,10 @@ fn array() { for i in Option::map_or(smth.as_ref(), [].iter(), |s| s.iter()) { println!("{i}"); } + + // Same as above, but when there are no predicates that mention the collection iter type. + let mut iter = [34, 228, 35].iter(); + let _ = std::mem::replace(&mut iter, [].iter()); } macro_rules! in_macros { diff --git a/tests/ui/iter_on_empty_collections.rs b/tests/ui/iter_on_empty_collections.rs index 737192d556d3..702da514df7d 100644 --- a/tests/ui/iter_on_empty_collections.rs +++ b/tests/ui/iter_on_empty_collections.rs @@ -38,6 +38,10 @@ fn array() { for i in Option::map_or(smth.as_ref(), [].iter(), |s| s.iter()) { println!("{i}"); } + + // Same as above, but when there are no predicates that mention the collection iter type. + let mut iter = [34, 228, 35].iter(); + let _ = std::mem::replace(&mut iter, [].iter()); } macro_rules! in_macros { From d0b45a951bddc4ed46cbbaff15818065795d0c2b Mon Sep 17 00:00:00 2001 From: Jubilee Young Date: Sun, 19 May 2024 20:56:46 -0700 Subject: [PATCH 0384/1716] tidy: stop special-casing tests/ui entry limit --- src/tools/tidy/src/ui_tests.rs | 15 ++------------- 1 file changed, 2 insertions(+), 13 deletions(-) diff --git a/src/tools/tidy/src/ui_tests.rs b/src/tools/tidy/src/ui_tests.rs index e1c6c9a2dacd..37324639edfc 100644 --- a/src/tools/tidy/src/ui_tests.rs +++ b/src/tools/tidy/src/ui_tests.rs @@ -16,7 +16,6 @@ const ENTRY_LIMIT: usize = 900; // FIXME: The following limits should be reduced eventually. const ISSUES_ENTRY_LIMIT: usize = 1676; -const ROOT_ENTRY_LIMIT: usize = 757; const EXPECTED_TEST_FILE_EXTENSIONS: &[&str] = &[ "rs", // test source files @@ -63,14 +62,10 @@ fn check_entries(tests_path: &Path, bad: &mut bool) { } } - let (mut max, mut max_root, mut max_issues) = (0usize, 0usize, 0usize); + let (mut max, mut max_issues) = (0usize, 0usize); for (dir_path, count) in directories { - // Use special values for these dirs. - let is_root = tests_path.join("ui") == dir_path; let is_issues_dir = tests_path.join("ui/issues") == dir_path; - let (limit, maxcnt) = if is_root { - (ROOT_ENTRY_LIMIT, &mut max_root) - } else if is_issues_dir { + let (limit, maxcnt) = if is_issues_dir { (ISSUES_ENTRY_LIMIT, &mut max_issues) } else { (ENTRY_LIMIT, &mut max) @@ -87,12 +82,6 @@ fn check_entries(tests_path: &Path, bad: &mut bool) { ); } } - if ROOT_ENTRY_LIMIT > max_root { - tidy_error!( - bad, - "`ROOT_ENTRY_LIMIT` is too high (is {ROOT_ENTRY_LIMIT}, should be {max_root})" - ); - } if ISSUES_ENTRY_LIMIT > max_issues { tidy_error!( bad, From c8b0e5b1a4698576b3d3637783cc3aeb09c74b1f Mon Sep 17 00:00:00 2001 From: Tobias Bucher Date: Mon, 20 May 2024 20:37:28 +0200 Subject: [PATCH 0385/1716] The number of tests does not depend on the architecture's pointer width Use `u32` instead of `usize` for counting them. --- src/tools/tidy/src/ui_tests.rs | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/src/tools/tidy/src/ui_tests.rs b/src/tools/tidy/src/ui_tests.rs index 37324639edfc..055d620361fb 100644 --- a/src/tools/tidy/src/ui_tests.rs +++ b/src/tools/tidy/src/ui_tests.rs @@ -12,10 +12,10 @@ use std::path::{Path, PathBuf}; // should all be 1000 or lower. Limits significantly smaller than 1000 are also // desirable, because large numbers of files are unwieldy in general. See issue // #73494. -const ENTRY_LIMIT: usize = 900; +const ENTRY_LIMIT: u32 = 900; // FIXME: The following limits should be reduced eventually. -const ISSUES_ENTRY_LIMIT: usize = 1676; +const ISSUES_ENTRY_LIMIT: u32 = 1676; const EXPECTED_TEST_FILE_EXTENSIONS: &[&str] = &[ "rs", // test source files @@ -53,7 +53,7 @@ const EXTENSION_EXCEPTION_PATHS: &[&str] = &[ ]; fn check_entries(tests_path: &Path, bad: &mut bool) { - let mut directories: HashMap = HashMap::new(); + let mut directories: HashMap = HashMap::new(); for dir in Walk::new(&tests_path.join("ui")) { if let Ok(entry) = dir { @@ -62,7 +62,7 @@ fn check_entries(tests_path: &Path, bad: &mut bool) { } } - let (mut max, mut max_issues) = (0usize, 0usize); + let (mut max, mut max_issues) = (0, 0); for (dir_path, count) in directories { let is_issues_dir = tests_path.join("ui/issues") == dir_path; let (limit, maxcnt) = if is_issues_dir { From 09f1a90bf81cf209a8d33275dee4d7c4a0cc6d9f Mon Sep 17 00:00:00 2001 From: Weihang Lo Date: Tue, 21 May 2024 18:53:54 -0400 Subject: [PATCH 0386/1716] Update cargo --- src/tools/cargo | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/cargo b/src/tools/cargo index 0de7f2ec6c39..84dc5dc11a90 160000 --- a/src/tools/cargo +++ b/src/tools/cargo @@ -1 +1 @@ -Subproject commit 0de7f2ec6c39d68022e6b97a39559d2f4dbf3930 +Subproject commit 84dc5dc11a9007a08f27170454da6097265e510e From 95150d72465db491f4b04b73545e106462bd003b Mon Sep 17 00:00:00 2001 From: Ben Kimock Date: Fri, 3 May 2024 21:17:57 -0400 Subject: [PATCH 0387/1716] Add a footer in FileEncoder and check for it in MemDecoder --- compiler/rustc_codegen_ssa/src/lib.rs | 5 ++- compiler/rustc_driver_impl/messages.ftl | 2 ++ compiler/rustc_driver_impl/src/lib.rs | 8 +++-- .../src/session_diagnostics.rs | 6 ++++ compiler/rustc_incremental/messages.ftl | 2 ++ compiler/rustc_incremental/src/errors.rs | 6 ++++ .../rustc_incremental/src/persist/load.rs | 21 ++++++++--- compiler/rustc_metadata/src/locator.rs | 7 +++- compiler/rustc_metadata/src/rmeta/decoder.rs | 28 +++++++++++---- .../src/rmeta/def_path_hash_map.rs | 2 +- .../rustc_middle/src/query/on_disk_cache.rs | 35 +++++++++---------- .../src/dep_graph/serialized.rs | 10 ++---- compiler/rustc_serialize/src/opaque.rs | 16 ++++++--- compiler/rustc_serialize/tests/leb128.rs | 13 ++++--- compiler/rustc_serialize/tests/opaque.rs | 2 +- src/librustdoc/scrape_examples.rs | 4 ++- 16 files changed, 115 insertions(+), 52 deletions(-) diff --git a/compiler/rustc_codegen_ssa/src/lib.rs b/compiler/rustc_codegen_ssa/src/lib.rs index 4eb24d71009a..9bf8fde55fce 100644 --- a/compiler/rustc_codegen_ssa/src/lib.rs +++ b/compiler/rustc_codegen_ssa/src/lib.rs @@ -195,6 +195,7 @@ pub enum CodegenErrors { EmptyVersionNumber, EncodingVersionMismatch { version_array: String, rlink_version: u32 }, RustcVersionMismatch { rustc_version: String }, + CorruptFile, } pub fn provide(providers: &mut Providers) { @@ -265,7 +266,9 @@ impl CodegenResults { }); } - let mut decoder = MemDecoder::new(&data[4..], 0); + let Some(mut decoder) = MemDecoder::new(&data[4..], 0) else { + return Err(CodegenErrors::CorruptFile); + }; let rustc_version = decoder.read_str(); if rustc_version != sess.cfg_version { return Err(CodegenErrors::RustcVersionMismatch { diff --git a/compiler/rustc_driver_impl/messages.ftl b/compiler/rustc_driver_impl/messages.ftl index 5b39248302e7..31837e017643 100644 --- a/compiler/rustc_driver_impl/messages.ftl +++ b/compiler/rustc_driver_impl/messages.ftl @@ -10,6 +10,8 @@ driver_impl_ice_path_error = the ICE couldn't be written to `{$path}`: {$error} driver_impl_ice_path_error_env = the environment variable `RUSTC_ICE` is set to `{$env_var}` driver_impl_ice_version = rustc {$version} running on {$triple} +driver_impl_rlink_corrupt_file = corrupt metadata encountered in `{$file}` + driver_impl_rlink_empty_version_number = The input does not contain version number driver_impl_rlink_encoding_version_mismatch = .rlink file was produced with encoding version `{$version_array}`, but the current version is `{$rlink_version}` diff --git a/compiler/rustc_driver_impl/src/lib.rs b/compiler/rustc_driver_impl/src/lib.rs index ba6b9ef07846..30cc41ecea04 100644 --- a/compiler/rustc_driver_impl/src/lib.rs +++ b/compiler/rustc_driver_impl/src/lib.rs @@ -96,7 +96,7 @@ mod signal_handler { use crate::session_diagnostics::{ RLinkEmptyVersionNumber, RLinkEncodingVersionMismatch, RLinkRustcVersionMismatch, - RLinkWrongFileType, RlinkNotAFile, RlinkUnableToRead, + RLinkWrongFileType, RlinkCorruptFile, RlinkNotAFile, RlinkUnableToRead, }; rustc_fluent_macro::fluent_messages! { "../messages.ftl" } @@ -645,8 +645,7 @@ fn process_rlink(sess: &Session, compiler: &interface::Compiler) { match err { CodegenErrors::WrongFileType => dcx.emit_fatal(RLinkWrongFileType), CodegenErrors::EmptyVersionNumber => dcx.emit_fatal(RLinkEmptyVersionNumber), - CodegenErrors::EncodingVersionMismatch { version_array, rlink_version } => sess - .dcx() + CodegenErrors::EncodingVersionMismatch { version_array, rlink_version } => dcx .emit_fatal(RLinkEncodingVersionMismatch { version_array, rlink_version }), CodegenErrors::RustcVersionMismatch { rustc_version } => { dcx.emit_fatal(RLinkRustcVersionMismatch { @@ -654,6 +653,9 @@ fn process_rlink(sess: &Session, compiler: &interface::Compiler) { current_version: sess.cfg_version, }) } + CodegenErrors::CorruptFile => { + dcx.emit_fatal(RlinkCorruptFile { file: file.display().to_string() }); + } }; } }; diff --git a/compiler/rustc_driver_impl/src/session_diagnostics.rs b/compiler/rustc_driver_impl/src/session_diagnostics.rs index 1a9683e840af..864b122233a4 100644 --- a/compiler/rustc_driver_impl/src/session_diagnostics.rs +++ b/compiler/rustc_driver_impl/src/session_diagnostics.rs @@ -32,6 +32,12 @@ pub(crate) struct RLinkRustcVersionMismatch<'a> { #[diag(driver_impl_rlink_no_a_file)] pub(crate) struct RlinkNotAFile; +#[derive(Diagnostic)] +#[diag(driver_impl_rlink_corrupt_file)] +pub(crate) struct RlinkCorruptFile { + pub file: String, +} + #[derive(Diagnostic)] #[diag(driver_impl_ice)] pub(crate) struct Ice; diff --git a/compiler/rustc_incremental/messages.ftl b/compiler/rustc_incremental/messages.ftl index e74173b24a97..de2177ebb6e0 100644 --- a/compiler/rustc_incremental/messages.ftl +++ b/compiler/rustc_incremental/messages.ftl @@ -21,6 +21,8 @@ incremental_cargo_help_2 = incremental_copy_workproduct_to_cache = error copying object file `{$from}` to incremental directory as `{$to}`: {$err} +incremental_corrupt_file = corrupt incremental compilation artifact found at `{$path}`. This file will automatically be ignored and deleted. If you see this message repeatedly or can provoke it without manually manipulating the compiler's artifacts, please file an issue. The incremental compilation system relies on hardlinks and filesystem locks behaving correctly, and may not deal well with OS crashes, so whatever information you can provide about your filesystem or other state may be very relevant. + incremental_create_dep_graph = failed to create dependency graph at `{$path}`: {$err} incremental_create_incr_comp_dir = diff --git a/compiler/rustc_incremental/src/errors.rs b/compiler/rustc_incremental/src/errors.rs index 61bb0353a9f4..e94a7fb876bb 100644 --- a/compiler/rustc_incremental/src/errors.rs +++ b/compiler/rustc_incremental/src/errors.rs @@ -306,3 +306,9 @@ pub struct DeleteWorkProduct<'a> { pub path: &'a Path, pub err: std::io::Error, } + +#[derive(Diagnostic)] +#[diag(incremental_corrupt_file)] +pub struct CorruptFile<'a> { + pub path: &'a Path, +} diff --git a/compiler/rustc_incremental/src/persist/load.rs b/compiler/rustc_incremental/src/persist/load.rs index 26aaa24771fe..c96d22ce45d7 100644 --- a/compiler/rustc_incremental/src/persist/load.rs +++ b/compiler/rustc_incremental/src/persist/load.rs @@ -115,7 +115,12 @@ fn load_dep_graph(sess: &Session) -> LoadResult<(Arc, WorkPr if let LoadResult::Ok { data: (work_products_data, start_pos) } = load_result { // Decode the list of work_products - let mut work_product_decoder = MemDecoder::new(&work_products_data[..], start_pos); + let Some(mut work_product_decoder) = + MemDecoder::new(&work_products_data[..], start_pos) + else { + sess.dcx().emit_warn(errors::CorruptFile { path: &work_products_path }); + return LoadResult::DataOutOfDate; + }; let work_products: Vec = Decodable::decode(&mut work_product_decoder); @@ -145,7 +150,10 @@ fn load_dep_graph(sess: &Session) -> LoadResult<(Arc, WorkPr LoadResult::DataOutOfDate => LoadResult::DataOutOfDate, LoadResult::LoadDepGraph(path, err) => LoadResult::LoadDepGraph(path, err), LoadResult::Ok { data: (bytes, start_pos) } => { - let mut decoder = MemDecoder::new(&bytes, start_pos); + let Some(mut decoder) = MemDecoder::new(&bytes, start_pos) else { + sess.dcx().emit_warn(errors::CorruptFile { path: &path }); + return LoadResult::DataOutOfDate; + }; let prev_commandline_args_hash = u64::decode(&mut decoder); if prev_commandline_args_hash != expected_hash { @@ -181,9 +189,14 @@ pub fn load_query_result_cache(sess: &Session) -> Option> { let _prof_timer = sess.prof.generic_activity("incr_comp_load_query_result_cache"); - match load_data(&query_cache_path(sess), sess) { + let path = query_cache_path(sess); + match load_data(&path, sess) { LoadResult::Ok { data: (bytes, start_pos) } => { - Some(OnDiskCache::new(sess, bytes, start_pos)) + let cache = OnDiskCache::new(sess, bytes, start_pos).unwrap_or_else(|| { + sess.dcx().emit_warn(errors::CorruptFile { path: &path }); + OnDiskCache::new_empty(sess.source_map()) + }); + Some(cache) } _ => Some(OnDiskCache::new_empty(sess.source_map())), } diff --git a/compiler/rustc_metadata/src/locator.rs b/compiler/rustc_metadata/src/locator.rs index 7de03be6da62..fa33eccd2a1c 100644 --- a/compiler/rustc_metadata/src/locator.rs +++ b/compiler/rustc_metadata/src/locator.rs @@ -853,7 +853,12 @@ fn get_metadata_section<'p>( slice_owned(mmap, Deref::deref) } }; - let blob = MetadataBlob(raw_bytes); + let Some(blob) = MetadataBlob::new(raw_bytes) else { + return Err(MetadataError::LoadFailure(format!( + "corrupt metadata encountered in {}", + filename.display() + ))); + }; match blob.check_compatibility(cfg_version) { Ok(()) => Ok(blob), Err(None) => Err(MetadataError::LoadFailure(format!( diff --git a/compiler/rustc_metadata/src/rmeta/decoder.rs b/compiler/rustc_metadata/src/rmeta/decoder.rs index bb68c6eaf092..1058f58da131 100644 --- a/compiler/rustc_metadata/src/rmeta/decoder.rs +++ b/compiler/rustc_metadata/src/rmeta/decoder.rs @@ -40,10 +40,9 @@ use rustc_span::hygiene::HygieneDecodeContext; mod cstore_impl; /// A reference to the raw binary version of crate metadata. -/// A `MetadataBlob` internally is just a reference counted pointer to -/// the actual data, so cloning it is cheap. -#[derive(Clone)] -pub(crate) struct MetadataBlob(pub(crate) OwnedSlice); +/// This struct applies [`MemDecoder`]'s validation when constructed +/// so that later constructions are guaranteed to succeed. +pub(crate) struct MetadataBlob(OwnedSlice); impl std::ops::Deref for MetadataBlob { type Target = [u8]; @@ -54,6 +53,16 @@ impl std::ops::Deref for MetadataBlob { } } +impl MetadataBlob { + pub fn new(slice: OwnedSlice) -> Option { + if MemDecoder::new(&*slice, 0).is_some() { Some(Self(slice)) } else { None } + } + + pub fn bytes(&self) -> &OwnedSlice { + &self.0 + } +} + /// A map from external crate numbers (as decoded from some crate file) to /// local crate numbers (as generated during this session). Each external /// crate may refer to types in other external crates, and each has their @@ -165,7 +174,14 @@ pub(super) trait Metadata<'a, 'tcx>: Copy { fn decoder(self, pos: usize) -> DecodeContext<'a, 'tcx> { let tcx = self.tcx(); DecodeContext { - opaque: MemDecoder::new(self.blob(), pos), + // FIXME: This unwrap should never panic because we check that it won't when creating + // `MetadataBlob`. Ideally we'd just have a `MetadataDecoder` and hand out subslices of + // it as we do elsewhere in the compiler using `MetadataDecoder::split_at`. But we own + // the data for the decoder so holding onto the `MemDecoder` too would make us a + // self-referential struct which is downright goofy because `MetadataBlob` is already + // self-referential. Probably `MemDecoder` should contain an `OwnedSlice`, but that + // demands a significant refactoring due to our crate graph. + opaque: MemDecoder::new(self.blob(), pos).unwrap(), cdata: self.cdata(), blob: self.blob(), sess: self.sess().or(tcx.map(|tcx| tcx.sess)), @@ -393,7 +409,7 @@ impl<'a, 'tcx> TyDecoder for DecodeContext<'a, 'tcx> { where F: FnOnce(&mut Self) -> R, { - let new_opaque = MemDecoder::new(self.opaque.data(), pos); + let new_opaque = self.opaque.split_at(pos); let old_opaque = mem::replace(&mut self.opaque, new_opaque); let old_state = mem::replace(&mut self.lazy_state, LazyState::NoNode); let r = f(self); diff --git a/compiler/rustc_metadata/src/rmeta/def_path_hash_map.rs b/compiler/rustc_metadata/src/rmeta/def_path_hash_map.rs index 9950bc1c31f7..861bf6b2769e 100644 --- a/compiler/rustc_metadata/src/rmeta/def_path_hash_map.rs +++ b/compiler/rustc_metadata/src/rmeta/def_path_hash_map.rs @@ -48,7 +48,7 @@ impl<'a, 'tcx> Decodable> for DefPathHashMapRef<'static> fn decode(d: &mut DecodeContext<'a, 'tcx>) -> DefPathHashMapRef<'static> { let len = d.read_usize(); let pos = d.position(); - let o = d.blob().clone().0.slice(|blob| &blob[pos..pos + len]); + let o = d.blob().bytes().clone().slice(|blob| &blob[pos..pos + len]); // Although we already have the data we need via the `OwnedSlice`, we still need // to advance the `DecodeContext`'s position so it's in a valid state after diff --git a/compiler/rustc_middle/src/query/on_disk_cache.rs b/compiler/rustc_middle/src/query/on_disk_cache.rs index 2dcb58729ff9..6815e4263d56 100644 --- a/compiler/rustc_middle/src/query/on_disk_cache.rs +++ b/compiler/rustc_middle/src/query/on_disk_cache.rs @@ -154,24 +154,22 @@ impl EncodedSourceFileId { impl<'sess> OnDiskCache<'sess> { /// Creates a new `OnDiskCache` instance from the serialized data in `data`. - pub fn new(sess: &'sess Session, data: Mmap, start_pos: usize) -> Self { - debug_assert!(sess.opts.incremental.is_some()); + pub fn new(sess: &'sess Session, data: Mmap, start_pos: usize) -> Option { + assert!(sess.opts.incremental.is_some()); - // Wrap in a scope so we can borrow `data`. - let footer: Footer = { - let mut decoder = MemDecoder::new(&data, start_pos); + let mut decoder = MemDecoder::new(&data, start_pos)?; - // Decode the *position* of the footer, which can be found in the - // last 8 bytes of the file. - let footer_pos = decoder - .with_position(decoder.len() - IntEncodedWithFixedSize::ENCODED_SIZE, |decoder| { - IntEncodedWithFixedSize::decode(decoder).0 as usize - }); - // Decode the file footer, which contains all the lookup tables, etc. - decoder.with_position(footer_pos, |decoder| decode_tagged(decoder, TAG_FILE_FOOTER)) - }; + // Decode the *position* of the footer, which can be found in the + // last 8 bytes of the file. + let footer_pos = decoder + .with_position(decoder.len() - IntEncodedWithFixedSize::ENCODED_SIZE, |decoder| { + IntEncodedWithFixedSize::decode(decoder).0 as usize + }); + // Decode the file footer, which contains all the lookup tables, etc. + let footer: Footer = + decoder.with_position(footer_pos, |decoder| decode_tagged(decoder, TAG_FILE_FOOTER)); - Self { + Some(Self { serialized_data: RwLock::new(Some(data)), file_index_to_stable_id: footer.file_index_to_stable_id, file_index_to_file: Default::default(), @@ -184,7 +182,7 @@ impl<'sess> OnDiskCache<'sess> { expn_data: footer.expn_data, foreign_expn_data: footer.foreign_expn_data, hygiene_context: Default::default(), - } + }) } pub fn new_empty(source_map: &'sess SourceMap) -> Self { @@ -437,7 +435,8 @@ impl<'sess> OnDiskCache<'sess> { let serialized_data = self.serialized_data.read(); let mut decoder = CacheDecoder { tcx, - opaque: MemDecoder::new(serialized_data.as_deref().unwrap_or(&[]), pos.to_usize()), + opaque: MemDecoder::new(serialized_data.as_deref().unwrap_or(&[]), pos.to_usize()) + .unwrap(), source_map: self.source_map, file_index_to_file: &self.file_index_to_file, file_index_to_stable_id: &self.file_index_to_stable_id, @@ -558,7 +557,7 @@ impl<'a, 'tcx> TyDecoder for CacheDecoder<'a, 'tcx> { { debug_assert!(pos < self.opaque.len()); - let new_opaque = MemDecoder::new(self.opaque.data(), pos); + let new_opaque = self.opaque.split_at(pos); let old_opaque = mem::replace(&mut self.opaque, new_opaque); let r = f(self); self.opaque = old_opaque; diff --git a/compiler/rustc_query_system/src/dep_graph/serialized.rs b/compiler/rustc_query_system/src/dep_graph/serialized.rs index b426bb888f46..8e91d9dd60b3 100644 --- a/compiler/rustc_query_system/src/dep_graph/serialized.rs +++ b/compiler/rustc_query_system/src/dep_graph/serialized.rs @@ -182,15 +182,13 @@ impl SerializedDepGraph { pub fn decode(d: &mut MemDecoder<'_>) -> Arc { // The last 16 bytes are the node count and edge count. debug!("position: {:?}", d.position()); - let (node_count, edge_count, graph_size) = - d.with_position(d.len() - 3 * IntEncodedWithFixedSize::ENCODED_SIZE, |d| { + let (node_count, edge_count) = + d.with_position(d.len() - 2 * IntEncodedWithFixedSize::ENCODED_SIZE, |d| { debug!("position: {:?}", d.position()); let node_count = IntEncodedWithFixedSize::decode(d).0 as usize; let edge_count = IntEncodedWithFixedSize::decode(d).0 as usize; - let graph_size = IntEncodedWithFixedSize::decode(d).0 as usize; - (node_count, edge_count, graph_size) + (node_count, edge_count) }); - assert_eq!(d.len(), graph_size); debug!("position: {:?}", d.position()); debug!(?node_count, ?edge_count); @@ -606,8 +604,6 @@ impl EncoderState { debug!("position: {:?}", encoder.position()); IntEncodedWithFixedSize(node_count).encode(&mut encoder); IntEncodedWithFixedSize(edge_count).encode(&mut encoder); - let graph_size = encoder.position() + IntEncodedWithFixedSize::ENCODED_SIZE; - IntEncodedWithFixedSize(graph_size as u64).encode(&mut encoder); debug!("position: {:?}", encoder.position()); // Drop the encoder so that nothing is written after the counts. let result = encoder.finish(); diff --git a/compiler/rustc_serialize/src/opaque.rs b/compiler/rustc_serialize/src/opaque.rs index eec83c02d353..1b4b1d2436f4 100644 --- a/compiler/rustc_serialize/src/opaque.rs +++ b/compiler/rustc_serialize/src/opaque.rs @@ -17,6 +17,8 @@ use crate::int_overflow::DebugStrictAdd; pub type FileEncodeResult = Result; +const FOOTER: &[u8] = b"rust-end-file"; + /// The size of the buffer in `FileEncoder`. const BUF_SIZE: usize = 8192; @@ -181,6 +183,7 @@ impl FileEncoder { } pub fn finish(&mut self) -> FileEncodeResult { + self.write_all(FOOTER); self.flush(); #[cfg(debug_assertions)] { @@ -261,15 +264,18 @@ pub struct MemDecoder<'a> { impl<'a> MemDecoder<'a> { #[inline] - pub fn new(data: &'a [u8], position: usize) -> MemDecoder<'a> { + pub fn new(data: &'a [u8], position: usize) -> Option> { + let data = data.strip_suffix(FOOTER)?; let Range { start, end } = data.as_ptr_range(); - MemDecoder { start, current: data[position..].as_ptr(), end, _marker: PhantomData } + Some(MemDecoder { start, current: data[position..].as_ptr(), end, _marker: PhantomData }) } #[inline] - pub fn data(&self) -> &'a [u8] { - // SAFETY: This recovers the original slice, only using members we never modify. - unsafe { std::slice::from_raw_parts(self.start, self.len()) } + pub fn split_at(&self, position: usize) -> MemDecoder<'a> { + assert!(position <= self.len()); + // SAFETY: We checked above that this offset is within the original slice + let current = unsafe { self.start.add(position) }; + MemDecoder { start: self.start, current, end: self.end, _marker: PhantomData } } #[inline] diff --git a/compiler/rustc_serialize/tests/leb128.rs b/compiler/rustc_serialize/tests/leb128.rs index dc9b32a968b5..2bf4f38d3c34 100644 --- a/compiler/rustc_serialize/tests/leb128.rs +++ b/compiler/rustc_serialize/tests/leb128.rs @@ -1,4 +1,5 @@ use rustc_serialize::leb128::*; +use rustc_serialize::opaque::MemDecoder; use rustc_serialize::Decoder; macro_rules! impl_test_unsigned_leb128 { @@ -25,13 +26,15 @@ macro_rules! impl_test_unsigned_leb128 { let n = $write_fn_name(&mut buf, x); stream.extend(&buf[..n]); } + let stream_end = stream.len(); + stream.extend(b"rust-end-file"); - let mut decoder = rustc_serialize::opaque::MemDecoder::new(&stream, 0); + let mut decoder = MemDecoder::new(&stream, 0).unwrap(); for &expected in &values { let actual = $read_fn_name(&mut decoder); assert_eq!(expected, actual); } - assert_eq!(stream.len(), decoder.position()); + assert_eq!(stream_end, decoder.position()); } }; } @@ -72,13 +75,15 @@ macro_rules! impl_test_signed_leb128 { let n = $write_fn_name(&mut buf, x); stream.extend(&buf[..n]); } + let stream_end = stream.len(); + stream.extend(b"rust-end-file"); - let mut decoder = rustc_serialize::opaque::MemDecoder::new(&stream, 0); + let mut decoder = MemDecoder::new(&stream, 0).unwrap(); for &expected in &values { let actual = $read_fn_name(&mut decoder); assert_eq!(expected, actual); } - assert_eq!(stream.len(), decoder.position()); + assert_eq!(stream_end, decoder.position()); } }; } diff --git a/compiler/rustc_serialize/tests/opaque.rs b/compiler/rustc_serialize/tests/opaque.rs index 45ff85f38d2b..833151d82be3 100644 --- a/compiler/rustc_serialize/tests/opaque.rs +++ b/compiler/rustc_serialize/tests/opaque.rs @@ -42,7 +42,7 @@ fn check_round_trip< encoder.finish().unwrap(); let data = fs::read(&tmpfile).unwrap(); - let mut decoder = MemDecoder::new(&data[..], 0); + let mut decoder = MemDecoder::new(&data[..], 0).unwrap(); for value in values { let decoded = Decodable::decode(&mut decoder); assert_eq!(value, decoded); diff --git a/src/librustdoc/scrape_examples.rs b/src/librustdoc/scrape_examples.rs index 9c9b386edda7..0bf98886965c 100644 --- a/src/librustdoc/scrape_examples.rs +++ b/src/librustdoc/scrape_examples.rs @@ -344,7 +344,9 @@ pub(crate) fn load_call_locations( Ok(bytes) => bytes, Err(e) => dcx.fatal(format!("failed to load examples: {e}")), }; - let mut decoder = MemDecoder::new(&bytes, 0); + let Some(mut decoder) = MemDecoder::new(&bytes, 0) else { + dcx.fatal(format!("Corrupt metadata encountered in {path}")) + }; let calls = AllCallLocations::decode(&mut decoder); for (function, fn_calls) in calls.into_iter() { From c3a606237d9c01e4622b267031596bf632567e6f Mon Sep 17 00:00:00 2001 From: Ben Kimock Date: Tue, 21 May 2024 20:12:07 -0400 Subject: [PATCH 0388/1716] PR feedback --- compiler/rustc_codegen_ssa/src/lib.rs | 2 +- compiler/rustc_driver_impl/src/lib.rs | 2 +- compiler/rustc_driver_impl/src/session_diagnostics.rs | 4 ++-- compiler/rustc_incremental/src/persist/load.rs | 6 +++--- compiler/rustc_metadata/src/locator.rs | 2 +- compiler/rustc_metadata/src/rmeta/decoder.rs | 7 +++++-- compiler/rustc_middle/src/query/on_disk_cache.rs | 7 +++++-- compiler/rustc_serialize/src/opaque.rs | 10 +++++----- compiler/rustc_serialize/tests/leb128.rs | 5 +++-- src/librustdoc/scrape_examples.rs | 2 +- 10 files changed, 27 insertions(+), 20 deletions(-) diff --git a/compiler/rustc_codegen_ssa/src/lib.rs b/compiler/rustc_codegen_ssa/src/lib.rs index 9bf8fde55fce..66a7a2e090ae 100644 --- a/compiler/rustc_codegen_ssa/src/lib.rs +++ b/compiler/rustc_codegen_ssa/src/lib.rs @@ -266,7 +266,7 @@ impl CodegenResults { }); } - let Some(mut decoder) = MemDecoder::new(&data[4..], 0) else { + let Ok(mut decoder) = MemDecoder::new(&data[4..], 0) else { return Err(CodegenErrors::CorruptFile); }; let rustc_version = decoder.read_str(); diff --git a/compiler/rustc_driver_impl/src/lib.rs b/compiler/rustc_driver_impl/src/lib.rs index 30cc41ecea04..5532eff7be66 100644 --- a/compiler/rustc_driver_impl/src/lib.rs +++ b/compiler/rustc_driver_impl/src/lib.rs @@ -654,7 +654,7 @@ fn process_rlink(sess: &Session, compiler: &interface::Compiler) { }) } CodegenErrors::CorruptFile => { - dcx.emit_fatal(RlinkCorruptFile { file: file.display().to_string() }); + dcx.emit_fatal(RlinkCorruptFile { file }); } }; } diff --git a/compiler/rustc_driver_impl/src/session_diagnostics.rs b/compiler/rustc_driver_impl/src/session_diagnostics.rs index 864b122233a4..449878f28c4e 100644 --- a/compiler/rustc_driver_impl/src/session_diagnostics.rs +++ b/compiler/rustc_driver_impl/src/session_diagnostics.rs @@ -34,8 +34,8 @@ pub(crate) struct RlinkNotAFile; #[derive(Diagnostic)] #[diag(driver_impl_rlink_corrupt_file)] -pub(crate) struct RlinkCorruptFile { - pub file: String, +pub(crate) struct RlinkCorruptFile<'a> { + pub file: &'a std::path::Path, } #[derive(Diagnostic)] diff --git a/compiler/rustc_incremental/src/persist/load.rs b/compiler/rustc_incremental/src/persist/load.rs index c96d22ce45d7..9e6ce0667851 100644 --- a/compiler/rustc_incremental/src/persist/load.rs +++ b/compiler/rustc_incremental/src/persist/load.rs @@ -115,7 +115,7 @@ fn load_dep_graph(sess: &Session) -> LoadResult<(Arc, WorkPr if let LoadResult::Ok { data: (work_products_data, start_pos) } = load_result { // Decode the list of work_products - let Some(mut work_product_decoder) = + let Ok(mut work_product_decoder) = MemDecoder::new(&work_products_data[..], start_pos) else { sess.dcx().emit_warn(errors::CorruptFile { path: &work_products_path }); @@ -150,7 +150,7 @@ fn load_dep_graph(sess: &Session) -> LoadResult<(Arc, WorkPr LoadResult::DataOutOfDate => LoadResult::DataOutOfDate, LoadResult::LoadDepGraph(path, err) => LoadResult::LoadDepGraph(path, err), LoadResult::Ok { data: (bytes, start_pos) } => { - let Some(mut decoder) = MemDecoder::new(&bytes, start_pos) else { + let Ok(mut decoder) = MemDecoder::new(&bytes, start_pos) else { sess.dcx().emit_warn(errors::CorruptFile { path: &path }); return LoadResult::DataOutOfDate; }; @@ -192,7 +192,7 @@ pub fn load_query_result_cache(sess: &Session) -> Option> { let path = query_cache_path(sess); match load_data(&path, sess) { LoadResult::Ok { data: (bytes, start_pos) } => { - let cache = OnDiskCache::new(sess, bytes, start_pos).unwrap_or_else(|| { + let cache = OnDiskCache::new(sess, bytes, start_pos).unwrap_or_else(|()| { sess.dcx().emit_warn(errors::CorruptFile { path: &path }); OnDiskCache::new_empty(sess.source_map()) }); diff --git a/compiler/rustc_metadata/src/locator.rs b/compiler/rustc_metadata/src/locator.rs index fa33eccd2a1c..6ff19974c1e7 100644 --- a/compiler/rustc_metadata/src/locator.rs +++ b/compiler/rustc_metadata/src/locator.rs @@ -853,7 +853,7 @@ fn get_metadata_section<'p>( slice_owned(mmap, Deref::deref) } }; - let Some(blob) = MetadataBlob::new(raw_bytes) else { + let Ok(blob) = MetadataBlob::new(raw_bytes) else { return Err(MetadataError::LoadFailure(format!( "corrupt metadata encountered in {}", filename.display() diff --git a/compiler/rustc_metadata/src/rmeta/decoder.rs b/compiler/rustc_metadata/src/rmeta/decoder.rs index 1058f58da131..f91e121a240e 100644 --- a/compiler/rustc_metadata/src/rmeta/decoder.rs +++ b/compiler/rustc_metadata/src/rmeta/decoder.rs @@ -54,10 +54,13 @@ impl std::ops::Deref for MetadataBlob { } impl MetadataBlob { - pub fn new(slice: OwnedSlice) -> Option { - if MemDecoder::new(&*slice, 0).is_some() { Some(Self(slice)) } else { None } + /// Runs the [`MemDecoder`] validation and if it passes, constructs a new [`MetadataBlob`]. + pub fn new(slice: OwnedSlice) -> Result { + if MemDecoder::new(&slice, 0).is_ok() { Ok(Self(slice)) } else { Err(()) } } + /// Since this has passed the validation of [`MetadataBlob::new`], this returns bytes which are + /// known to pass the [`MemDecoder`] validation. pub fn bytes(&self) -> &OwnedSlice { &self.0 } diff --git a/compiler/rustc_middle/src/query/on_disk_cache.rs b/compiler/rustc_middle/src/query/on_disk_cache.rs index 6815e4263d56..941911c22309 100644 --- a/compiler/rustc_middle/src/query/on_disk_cache.rs +++ b/compiler/rustc_middle/src/query/on_disk_cache.rs @@ -154,7 +154,10 @@ impl EncodedSourceFileId { impl<'sess> OnDiskCache<'sess> { /// Creates a new `OnDiskCache` instance from the serialized data in `data`. - pub fn new(sess: &'sess Session, data: Mmap, start_pos: usize) -> Option { + /// + /// The serialized cache has some basic integrity checks, if those checks indicate that the + /// on-disk data is corrupt, an error is returned. + pub fn new(sess: &'sess Session, data: Mmap, start_pos: usize) -> Result { assert!(sess.opts.incremental.is_some()); let mut decoder = MemDecoder::new(&data, start_pos)?; @@ -169,7 +172,7 @@ impl<'sess> OnDiskCache<'sess> { let footer: Footer = decoder.with_position(footer_pos, |decoder| decode_tagged(decoder, TAG_FILE_FOOTER)); - Some(Self { + Ok(Self { serialized_data: RwLock::new(Some(data)), file_index_to_stable_id: footer.file_index_to_stable_id, file_index_to_file: Default::default(), diff --git a/compiler/rustc_serialize/src/opaque.rs b/compiler/rustc_serialize/src/opaque.rs index 1b4b1d2436f4..1dcb69920d73 100644 --- a/compiler/rustc_serialize/src/opaque.rs +++ b/compiler/rustc_serialize/src/opaque.rs @@ -17,7 +17,7 @@ use crate::int_overflow::DebugStrictAdd; pub type FileEncodeResult = Result; -const FOOTER: &[u8] = b"rust-end-file"; +pub const MAGIC_END_BYTES: &[u8] = b"rust-end-file"; /// The size of the buffer in `FileEncoder`. const BUF_SIZE: usize = 8192; @@ -183,7 +183,7 @@ impl FileEncoder { } pub fn finish(&mut self) -> FileEncodeResult { - self.write_all(FOOTER); + self.write_all(MAGIC_END_BYTES); self.flush(); #[cfg(debug_assertions)] { @@ -264,10 +264,10 @@ pub struct MemDecoder<'a> { impl<'a> MemDecoder<'a> { #[inline] - pub fn new(data: &'a [u8], position: usize) -> Option> { - let data = data.strip_suffix(FOOTER)?; + pub fn new(data: &'a [u8], position: usize) -> Result, ()> { + let data = data.strip_suffix(MAGIC_END_BYTES).ok_or(())?; let Range { start, end } = data.as_ptr_range(); - Some(MemDecoder { start, current: data[position..].as_ptr(), end, _marker: PhantomData }) + Ok(MemDecoder { start, current: data[position..].as_ptr(), end, _marker: PhantomData }) } #[inline] diff --git a/compiler/rustc_serialize/tests/leb128.rs b/compiler/rustc_serialize/tests/leb128.rs index 2bf4f38d3c34..fafe4b91a95d 100644 --- a/compiler/rustc_serialize/tests/leb128.rs +++ b/compiler/rustc_serialize/tests/leb128.rs @@ -1,5 +1,6 @@ use rustc_serialize::leb128::*; use rustc_serialize::opaque::MemDecoder; +use rustc_serialize::opaque::MAGIC_END_BYTES; use rustc_serialize::Decoder; macro_rules! impl_test_unsigned_leb128 { @@ -27,7 +28,7 @@ macro_rules! impl_test_unsigned_leb128 { stream.extend(&buf[..n]); } let stream_end = stream.len(); - stream.extend(b"rust-end-file"); + stream.extend(MAGIC_END_BYTES); let mut decoder = MemDecoder::new(&stream, 0).unwrap(); for &expected in &values { @@ -76,7 +77,7 @@ macro_rules! impl_test_signed_leb128 { stream.extend(&buf[..n]); } let stream_end = stream.len(); - stream.extend(b"rust-end-file"); + stream.extend(MAGIC_END_BYTES); let mut decoder = MemDecoder::new(&stream, 0).unwrap(); for &expected in &values { diff --git a/src/librustdoc/scrape_examples.rs b/src/librustdoc/scrape_examples.rs index 0bf98886965c..e9b380fdeac6 100644 --- a/src/librustdoc/scrape_examples.rs +++ b/src/librustdoc/scrape_examples.rs @@ -344,7 +344,7 @@ pub(crate) fn load_call_locations( Ok(bytes) => bytes, Err(e) => dcx.fatal(format!("failed to load examples: {e}")), }; - let Some(mut decoder) = MemDecoder::new(&bytes, 0) else { + let Ok(mut decoder) = MemDecoder::new(&bytes, 0) else { dcx.fatal(format!("Corrupt metadata encountered in {path}")) }; let calls = AllCallLocations::decode(&mut decoder); From 3a21fb5cec07052cb664b6a051e233cd4776283a Mon Sep 17 00:00:00 2001 From: Jubilee Young Date: Tue, 21 May 2024 18:55:12 -0700 Subject: [PATCH 0389/1716] Wrap Context.ext in AssertUnwindSafe --- library/core/src/task/wake.rs | 11 +++-- tests/ui/async-await/async-is-unwindsafe.rs | 1 - .../ui/async-await/async-is-unwindsafe.stderr | 43 +++---------------- .../context-is-sorta-unwindsafe.rs | 14 ++++++ 4 files changed, 27 insertions(+), 42 deletions(-) create mode 100644 tests/ui/async-await/context-is-sorta-unwindsafe.rs diff --git a/library/core/src/task/wake.rs b/library/core/src/task/wake.rs index 7691721b91e2..3d21b09fa8a0 100644 --- a/library/core/src/task/wake.rs +++ b/library/core/src/task/wake.rs @@ -5,6 +5,7 @@ use crate::mem::transmute; use crate::any::Any; use crate::fmt; use crate::marker::PhantomData; +use crate::panic::AssertUnwindSafe; use crate::ptr; /// A `RawWaker` allows the implementor of a task executor to create a [`Waker`] @@ -236,7 +237,7 @@ enum ExtData<'a> { pub struct Context<'a> { waker: &'a Waker, local_waker: &'a LocalWaker, - ext: ExtData<'a>, + ext: AssertUnwindSafe>, // Ensure we future-proof against variance changes by forcing // the lifetime to be invariant (argument-position lifetimes // are contravariant while return-position lifetimes are @@ -279,7 +280,9 @@ impl<'a> Context<'a> { #[unstable(feature = "context_ext", issue = "123392")] #[rustc_const_unstable(feature = "const_waker", issue = "102012")] pub const fn ext(&mut self) -> &mut dyn Any { - match &mut self.ext { + // FIXME: this field makes Context extra-weird about unwind safety + // can we justify AssertUnwindSafe if we stabilize this? do we care? + match &mut *self.ext { ExtData::Some(data) => *data, ExtData::None(unit) => unit, } @@ -353,7 +356,7 @@ impl<'a> ContextBuilder<'a> { #[rustc_const_unstable(feature = "const_waker", issue = "102012")] #[unstable(feature = "context_ext", issue = "123392")] pub const fn from(cx: &'a mut Context<'_>) -> Self { - let ext = match &mut cx.ext { + let ext = match &mut *cx.ext { ExtData::Some(ext) => ExtData::Some(*ext), ExtData::None(()) => ExtData::None(()), }; @@ -396,7 +399,7 @@ impl<'a> ContextBuilder<'a> { #[rustc_const_unstable(feature = "const_waker", issue = "102012")] pub const fn build(self) -> Context<'a> { let ContextBuilder { waker, local_waker, ext, _marker, _marker2 } = self; - Context { waker, local_waker, ext, _marker, _marker2 } + Context { waker, local_waker, ext: AssertUnwindSafe(ext), _marker, _marker2 } } } diff --git a/tests/ui/async-await/async-is-unwindsafe.rs b/tests/ui/async-await/async-is-unwindsafe.rs index d0202f72f008..53009b6e7410 100644 --- a/tests/ui/async-await/async-is-unwindsafe.rs +++ b/tests/ui/async-await/async-is-unwindsafe.rs @@ -11,7 +11,6 @@ fn main() { is_unwindsafe(async { //~^ ERROR the type `&mut Context<'_>` may not be safely transferred across an unwind boundary - //~| ERROR the type `&mut (dyn Any + 'static)` may not be safely transferred across an unwind boundary use std::ptr::null; use std::task::{Context, RawWaker, RawWakerVTable, Waker}; let waker = unsafe { diff --git a/tests/ui/async-await/async-is-unwindsafe.stderr b/tests/ui/async-await/async-is-unwindsafe.stderr index 6bb06df9f39e..5d87fc747682 100644 --- a/tests/ui/async-await/async-is-unwindsafe.stderr +++ b/tests/ui/async-await/async-is-unwindsafe.stderr @@ -6,18 +6,19 @@ LL | is_unwindsafe(async { | |_____| | || LL | || -LL | || LL | || use std::ptr::null; +LL | || use std::task::{Context, RawWaker, RawWakerVTable, Waker}; ... || LL | || drop(cx_ref); LL | || }); | ||_____-^ `&mut Context<'_>` may not be safely transferred across an unwind boundary | |_____| - | within this `{async block@$DIR/async-is-unwindsafe.rs:12:19: 30:6}` + | within this `{async block@$DIR/async-is-unwindsafe.rs:12:19: 29:6}` | - = help: within `{async block@$DIR/async-is-unwindsafe.rs:12:19: 30:6}`, the trait `UnwindSafe` is not implemented for `&mut Context<'_>`, which is required by `{async block@$DIR/async-is-unwindsafe.rs:12:19: 30:6}: UnwindSafe` + = help: within `{async block@$DIR/async-is-unwindsafe.rs:12:19: 29:6}`, the trait `UnwindSafe` is not implemented for `&mut Context<'_>`, which is required by `{async block@$DIR/async-is-unwindsafe.rs:12:19: 29:6}: UnwindSafe` + = note: `UnwindSafe` is implemented for `&Context<'_>`, but not for `&mut Context<'_>` note: future does not implement `UnwindSafe` as this value is used across an await - --> $DIR/async-is-unwindsafe.rs:26:18 + --> $DIR/async-is-unwindsafe.rs:25:18 | LL | let cx_ref = &mut cx; | ------ has type `&mut Context<'_>` which does not implement `UnwindSafe` @@ -30,38 +31,6 @@ note: required by a bound in `is_unwindsafe` LL | fn is_unwindsafe(_: impl std::panic::UnwindSafe) {} | ^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_unwindsafe` -error[E0277]: the type `&mut (dyn Any + 'static)` may not be safely transferred across an unwind boundary - --> $DIR/async-is-unwindsafe.rs:12:5 - | -LL | is_unwindsafe(async { - | _____^_____________- - | |_____| - | || -LL | || -LL | || -LL | || use std::ptr::null; -... || -LL | || drop(cx_ref); -LL | || }); - | ||_____-^ `&mut (dyn Any + 'static)` may not be safely transferred across an unwind boundary - | |_____| - | within this `{async block@$DIR/async-is-unwindsafe.rs:12:19: 30:6}` - | - = help: within `{async block@$DIR/async-is-unwindsafe.rs:12:19: 30:6}`, the trait `UnwindSafe` is not implemented for `&mut (dyn Any + 'static)`, which is required by `{async block@$DIR/async-is-unwindsafe.rs:12:19: 30:6}: UnwindSafe` -note: future does not implement `UnwindSafe` as this value is used across an await - --> $DIR/async-is-unwindsafe.rs:26:18 - | -LL | let mut cx = Context::from_waker(&waker); - | ------ has type `Context<'_>` which does not implement `UnwindSafe` -... -LL | async {}.await; // this needs an inner await point - | ^^^^^ await occurs here, with `mut cx` maybe used later -note: required by a bound in `is_unwindsafe` - --> $DIR/async-is-unwindsafe.rs:3:26 - | -LL | fn is_unwindsafe(_: impl std::panic::UnwindSafe) {} - | ^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_unwindsafe` - -error: aborting due to 2 previous errors +error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/async-await/context-is-sorta-unwindsafe.rs b/tests/ui/async-await/context-is-sorta-unwindsafe.rs new file mode 100644 index 000000000000..278476ea2379 --- /dev/null +++ b/tests/ui/async-await/context-is-sorta-unwindsafe.rs @@ -0,0 +1,14 @@ +//@ run-pass +// Tests against a regression surfaced by crater in https://github.com/rust-lang/rust/issues/125193 +// Unwind Safety is not a very coherent concept, but we'd prefer no regressions until we kibosh it +// and this is an unstable feature anyways sooo... + +use std::panic::UnwindSafe; +use std::task::Context; + +fn unwind_safe() {} + +fn main() { + unwind_safe::>(); // test UnwindSafe + unwind_safe::<&Context<'_>>(); // test RefUnwindSafe +} From b5923a95a886588fd40fccd69f1ccca504234194 Mon Sep 17 00:00:00 2001 From: Michael Howell Date: Tue, 21 May 2024 21:21:26 -0700 Subject: [PATCH 0390/1716] Move tests into appropriate subdirectories --- .../pub-use-primitive-document-private-items-95633.rs | 1 + tests/rustdoc/{ => inline_cross}/auxiliary/issue-85454.rs | 0 .../auxiliary/reexport-with-anonymous-lifetime-98697.rs} | 0 tests/rustdoc/{ => inline_cross}/qpath-self-85454.rs | 0 .../reexport-with-anonymous-lifetime-98697.rs | 8 ++++---- .../blanket-impl-reexported-trait-94183.rs | 0 .../private-reexport-in-public-api-81141-2.rs | 0 .../private-reexport-in-public-api-81141.rs} | 0 .../private-reexport-in-public-api-generics-81141.rs | 0 .../private-reexport-in-public-api-hidden-81141.rs | 0 .../private-reexport-in-public-api-private-81141.rs | 0 .../reexported-macro-and-macro-export-sidebar-89852.rs} | 0 .../{ => synthetic_auto}/normalize-auto-trait-80233.rs | 0 13 files changed, 5 insertions(+), 4 deletions(-) rename tests/{rustdoc => rustdoc-ui}/pub-use-primitive-document-private-items-95633.rs (93%) rename tests/rustdoc/{ => inline_cross}/auxiliary/issue-85454.rs (100%) rename tests/rustdoc/{auxiliary/issue-98697-reexport-with-anonymous-lifetime.rs => inline_cross/auxiliary/reexport-with-anonymous-lifetime-98697.rs} (100%) rename tests/rustdoc/{ => inline_cross}/qpath-self-85454.rs (100%) rename tests/rustdoc/{ => inline_cross}/reexport-with-anonymous-lifetime-98697.rs (72%) rename tests/rustdoc/{ => inline_local}/blanket-impl-reexported-trait-94183.rs (100%) rename tests/rustdoc/{ => inline_local}/private-reexport-in-public-api-81141-2.rs (100%) rename tests/rustdoc/{private-export-in-public-api-81141.rs => inline_local/private-reexport-in-public-api-81141.rs} (100%) rename tests/rustdoc/{ => inline_local}/private-reexport-in-public-api-generics-81141.rs (100%) rename tests/rustdoc/{ => inline_local}/private-reexport-in-public-api-hidden-81141.rs (100%) rename tests/rustdoc/{ => inline_local}/private-reexport-in-public-api-private-81141.rs (100%) rename tests/rustdoc/{pub-use-exported-macro-89852.rs => inline_local/reexported-macro-and-macro-export-sidebar-89852.rs} (100%) rename tests/rustdoc/{ => synthetic_auto}/normalize-auto-trait-80233.rs (100%) diff --git a/tests/rustdoc/pub-use-primitive-document-private-items-95633.rs b/tests/rustdoc-ui/pub-use-primitive-document-private-items-95633.rs similarity index 93% rename from tests/rustdoc/pub-use-primitive-document-private-items-95633.rs rename to tests/rustdoc-ui/pub-use-primitive-document-private-items-95633.rs index 7f612a0b60ae..d53a67cde8b4 100644 --- a/tests/rustdoc/pub-use-primitive-document-private-items-95633.rs +++ b/tests/rustdoc-ui/pub-use-primitive-document-private-items-95633.rs @@ -1,3 +1,4 @@ +//@ check-pass //@ compile-flags: --document-private-items // This ensures that no ICE is triggered when rustdoc is run on this code. diff --git a/tests/rustdoc/auxiliary/issue-85454.rs b/tests/rustdoc/inline_cross/auxiliary/issue-85454.rs similarity index 100% rename from tests/rustdoc/auxiliary/issue-85454.rs rename to tests/rustdoc/inline_cross/auxiliary/issue-85454.rs diff --git a/tests/rustdoc/auxiliary/issue-98697-reexport-with-anonymous-lifetime.rs b/tests/rustdoc/inline_cross/auxiliary/reexport-with-anonymous-lifetime-98697.rs similarity index 100% rename from tests/rustdoc/auxiliary/issue-98697-reexport-with-anonymous-lifetime.rs rename to tests/rustdoc/inline_cross/auxiliary/reexport-with-anonymous-lifetime-98697.rs diff --git a/tests/rustdoc/qpath-self-85454.rs b/tests/rustdoc/inline_cross/qpath-self-85454.rs similarity index 100% rename from tests/rustdoc/qpath-self-85454.rs rename to tests/rustdoc/inline_cross/qpath-self-85454.rs diff --git a/tests/rustdoc/reexport-with-anonymous-lifetime-98697.rs b/tests/rustdoc/inline_cross/reexport-with-anonymous-lifetime-98697.rs similarity index 72% rename from tests/rustdoc/reexport-with-anonymous-lifetime-98697.rs rename to tests/rustdoc/inline_cross/reexport-with-anonymous-lifetime-98697.rs index 545af512d3d0..fe6e5a39c810 100644 --- a/tests/rustdoc/reexport-with-anonymous-lifetime-98697.rs +++ b/tests/rustdoc/inline_cross/reexport-with-anonymous-lifetime-98697.rs @@ -1,4 +1,4 @@ -//@ aux-build:issue-98697-reexport-with-anonymous-lifetime.rs +//@ aux-build:reexport-with-anonymous-lifetime-98697.rs //@ ignore-cross-compile #![crate_name = "foo"] @@ -7,12 +7,12 @@ // // https://github.com/rust-lang/rust/issues/98697 -extern crate issue_98697_reexport_with_anonymous_lifetime; +extern crate reexport_with_anonymous_lifetime_98697; // @has foo/fn.repro.html '//pre[@class="rust item-decl"]/code' 'fn repro()where F: Fn(&str)' // @!has foo/fn.repro.html '//pre[@class="rust item-decl"]/code' 'for<' -pub use issue_98697_reexport_with_anonymous_lifetime::repro; +pub use reexport_with_anonymous_lifetime_98697::repro; // @has foo/struct.Extra.html '//div[@id="trait-implementations-list"]//h3[@class="code-header"]' 'impl MyTrait<&Extra> for Extra' // @!has foo/struct.Extra.html '//div[@id="trait-implementations-list"]//h3[@class="code-header"]' 'impl<' -pub use issue_98697_reexport_with_anonymous_lifetime::Extra; +pub use reexport_with_anonymous_lifetime_98697::Extra; diff --git a/tests/rustdoc/blanket-impl-reexported-trait-94183.rs b/tests/rustdoc/inline_local/blanket-impl-reexported-trait-94183.rs similarity index 100% rename from tests/rustdoc/blanket-impl-reexported-trait-94183.rs rename to tests/rustdoc/inline_local/blanket-impl-reexported-trait-94183.rs diff --git a/tests/rustdoc/private-reexport-in-public-api-81141-2.rs b/tests/rustdoc/inline_local/private-reexport-in-public-api-81141-2.rs similarity index 100% rename from tests/rustdoc/private-reexport-in-public-api-81141-2.rs rename to tests/rustdoc/inline_local/private-reexport-in-public-api-81141-2.rs diff --git a/tests/rustdoc/private-export-in-public-api-81141.rs b/tests/rustdoc/inline_local/private-reexport-in-public-api-81141.rs similarity index 100% rename from tests/rustdoc/private-export-in-public-api-81141.rs rename to tests/rustdoc/inline_local/private-reexport-in-public-api-81141.rs diff --git a/tests/rustdoc/private-reexport-in-public-api-generics-81141.rs b/tests/rustdoc/inline_local/private-reexport-in-public-api-generics-81141.rs similarity index 100% rename from tests/rustdoc/private-reexport-in-public-api-generics-81141.rs rename to tests/rustdoc/inline_local/private-reexport-in-public-api-generics-81141.rs diff --git a/tests/rustdoc/private-reexport-in-public-api-hidden-81141.rs b/tests/rustdoc/inline_local/private-reexport-in-public-api-hidden-81141.rs similarity index 100% rename from tests/rustdoc/private-reexport-in-public-api-hidden-81141.rs rename to tests/rustdoc/inline_local/private-reexport-in-public-api-hidden-81141.rs diff --git a/tests/rustdoc/private-reexport-in-public-api-private-81141.rs b/tests/rustdoc/inline_local/private-reexport-in-public-api-private-81141.rs similarity index 100% rename from tests/rustdoc/private-reexport-in-public-api-private-81141.rs rename to tests/rustdoc/inline_local/private-reexport-in-public-api-private-81141.rs diff --git a/tests/rustdoc/pub-use-exported-macro-89852.rs b/tests/rustdoc/inline_local/reexported-macro-and-macro-export-sidebar-89852.rs similarity index 100% rename from tests/rustdoc/pub-use-exported-macro-89852.rs rename to tests/rustdoc/inline_local/reexported-macro-and-macro-export-sidebar-89852.rs diff --git a/tests/rustdoc/normalize-auto-trait-80233.rs b/tests/rustdoc/synthetic_auto/normalize-auto-trait-80233.rs similarity index 100% rename from tests/rustdoc/normalize-auto-trait-80233.rs rename to tests/rustdoc/synthetic_auto/normalize-auto-trait-80233.rs From 722b2ee17d846d9ba1a7478a5368a3bbaae3e665 Mon Sep 17 00:00:00 2001 From: Mads Marquart Date: Wed, 22 May 2024 07:38:37 +0200 Subject: [PATCH 0391/1716] Remove unnecessary `.md` from the documentation sidebar --- src/doc/rustc/src/SUMMARY.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/doc/rustc/src/SUMMARY.md b/src/doc/rustc/src/SUMMARY.md index 6f8149558570..4ef2fcebe928 100644 --- a/src/doc/rustc/src/SUMMARY.md +++ b/src/doc/rustc/src/SUMMARY.md @@ -20,10 +20,10 @@ - [\*-apple-darwin](platform-support/apple-darwin.md) - [i686-apple-darwin](platform-support/i686-apple-darwin.md) - [x86_64h-apple-darwin](platform-support/x86_64h-apple-darwin.md) - - [arm64e-apple-darwin.md](platform-support/arm64e-apple-darwin.md) + - [arm64e-apple-darwin](platform-support/arm64e-apple-darwin.md) - [\*-apple-ios](platform-support/apple-ios.md) - [\*-apple-ios-macabi](platform-support/apple-ios-macabi.md) - - [arm64e-apple-ios.md](platform-support/arm64e-apple-ios.md) + - [arm64e-apple-ios](platform-support/arm64e-apple-ios.md) - [\*-apple-tvos](platform-support/apple-tvos.md) - [\*-apple-watchos](platform-support/apple-watchos.md) - [\*-apple-visionos](platform-support/apple-visionos.md) From 2c61c0085964a6e11c3ba51951abd71a7ff9066c Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Tue, 21 May 2024 15:16:09 +1000 Subject: [PATCH 0392/1716] Fix up whitespace in `compiler/rustc_macros/src/serialize.rs`. --- compiler/rustc_macros/src/serialize.rs | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/compiler/rustc_macros/src/serialize.rs b/compiler/rustc_macros/src/serialize.rs index 5fa11d22f0e7..7b5dd1601c1f 100644 --- a/compiler/rustc_macros/src/serialize.rs +++ b/compiler/rustc_macros/src/serialize.rs @@ -13,7 +13,7 @@ pub fn type_decodable_derive(mut s: synstructure::Structure<'_>) -> proc_macro2: quote! {} }; - s.add_impl_generic(parse_quote! {#decoder_ty: ::rustc_type_ir::codec::TyDecoder #bound }); + s.add_impl_generic(parse_quote! { #decoder_ty: ::rustc_type_ir::codec::TyDecoder #bound }); s.add_bounds(synstructure::AddBounds::Fields); s.underscore_const(true); @@ -34,7 +34,7 @@ pub fn meta_decodable_derive(mut s: synstructure::Structure<'_>) -> proc_macro2: pub fn decodable_derive(mut s: synstructure::Structure<'_>) -> proc_macro2::TokenStream { let decoder_ty = quote! { __D }; - s.add_impl_generic(parse_quote! {#decoder_ty: ::rustc_span::SpanDecoder}); + s.add_impl_generic(parse_quote! { #decoder_ty: ::rustc_span::SpanDecoder }); s.add_bounds(synstructure::AddBounds::Generics); s.underscore_const(true); @@ -43,7 +43,7 @@ pub fn decodable_derive(mut s: synstructure::Structure<'_>) -> proc_macro2::Toke pub fn decodable_generic_derive(mut s: synstructure::Structure<'_>) -> proc_macro2::TokenStream { let decoder_ty = quote! { __D }; - s.add_impl_generic(parse_quote! {#decoder_ty: ::rustc_serialize::Decoder}); + s.add_impl_generic(parse_quote! { #decoder_ty: ::rustc_serialize::Decoder }); s.add_bounds(synstructure::AddBounds::Generics); s.underscore_const(true); @@ -120,7 +120,7 @@ fn decode_field(field: &syn::Field) -> proc_macro2::TokenStream { let __decoder = quote! { __decoder }; // Use the span of the field for the method call, so // that backtraces will point to the field. - quote_spanned! {field_span=> #decode_inner_method(#__decoder) } + quote_spanned! { field_span=> #decode_inner_method(#__decoder) } } pub fn type_encodable_derive(mut s: synstructure::Structure<'_>) -> proc_macro2::TokenStream { @@ -133,7 +133,7 @@ pub fn type_encodable_derive(mut s: synstructure::Structure<'_>) -> proc_macro2: }; let encoder_ty = quote! { __E }; - s.add_impl_generic(parse_quote! {#encoder_ty: ::rustc_type_ir::codec::TyEncoder #bound }); + s.add_impl_generic(parse_quote! { #encoder_ty: ::rustc_type_ir::codec::TyEncoder #bound }); s.add_bounds(synstructure::AddBounds::Fields); s.underscore_const(true); @@ -142,7 +142,7 @@ pub fn type_encodable_derive(mut s: synstructure::Structure<'_>) -> proc_macro2: pub fn meta_encodable_derive(mut s: synstructure::Structure<'_>) -> proc_macro2::TokenStream { if !s.ast().generics.lifetimes().any(|lt| lt.lifetime.ident == "tcx") { - s.add_impl_generic(parse_quote! {'tcx}); + s.add_impl_generic(parse_quote! { 'tcx }); } s.add_impl_generic(parse_quote! { '__a }); let encoder_ty = quote! { EncodeContext<'__a, 'tcx> }; @@ -154,7 +154,7 @@ pub fn meta_encodable_derive(mut s: synstructure::Structure<'_>) -> proc_macro2: pub fn encodable_derive(mut s: synstructure::Structure<'_>) -> proc_macro2::TokenStream { let encoder_ty = quote! { __E }; - s.add_impl_generic(parse_quote! { #encoder_ty: ::rustc_span::SpanEncoder}); + s.add_impl_generic(parse_quote! { #encoder_ty: ::rustc_span::SpanEncoder }); s.add_bounds(synstructure::AddBounds::Generics); s.underscore_const(true); @@ -163,7 +163,7 @@ pub fn encodable_derive(mut s: synstructure::Structure<'_>) -> proc_macro2::Toke pub fn encodable_generic_derive(mut s: synstructure::Structure<'_>) -> proc_macro2::TokenStream { let encoder_ty = quote! { __E }; - s.add_impl_generic(parse_quote! { #encoder_ty: ::rustc_serialize::Encoder}); + s.add_impl_generic(parse_quote! { #encoder_ty: ::rustc_serialize::Encoder }); s.add_bounds(synstructure::AddBounds::Generics); s.underscore_const(true); From 220f3ab825d135c82243fc83ebf6286d94cdab96 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Tue, 21 May 2024 15:12:50 +1000 Subject: [PATCH 0393/1716] Add a useful comment. For something that wasn't obvious to me. --- compiler/rustc_span/src/lib.rs | 3 +++ 1 file changed, 3 insertions(+) diff --git a/compiler/rustc_span/src/lib.rs b/compiler/rustc_span/src/lib.rs index f83bacdcebe7..62209e3795fa 100644 --- a/compiler/rustc_span/src/lib.rs +++ b/compiler/rustc_span/src/lib.rs @@ -33,6 +33,9 @@ #![feature(rustdoc_internals)] // tidy-alphabetical-end +// The code produced by the `Encodable`/`Decodable` derive macros refer to +// `rustc_span::Span{Encoder,Decoder}`. That's fine outside this crate, but doesn't work inside +// this crate without this line making `rustc_span` available. extern crate self as rustc_span; #[macro_use] From e60c1916e0d0ff0cad9d8fce049c3bc31eeb34f0 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 22 May 2024 07:51:27 +1000 Subject: [PATCH 0394/1716] Remove `#[macro_use]` extern crate tracing` from `rustc_span`. Because explicit macro imports are better than implicit macro imports. --- compiler/rustc_span/src/hygiene.rs | 1 + compiler/rustc_span/src/lib.rs | 4 +--- compiler/rustc_span/src/source_map.rs | 1 + 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/compiler/rustc_span/src/hygiene.rs b/compiler/rustc_span/src/hygiene.rs index aa4bcefab939..00ef17d630c5 100644 --- a/compiler/rustc_span/src/hygiene.rs +++ b/compiler/rustc_span/src/hygiene.rs @@ -40,6 +40,7 @@ use std::cell::RefCell; use std::collections::hash_map::Entry; use std::fmt; use std::hash::Hash; +use tracing::{debug, trace}; /// A `SyntaxContext` represents a chain of pairs `(ExpnId, Transparency)` named "marks". #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)] diff --git a/compiler/rustc_span/src/lib.rs b/compiler/rustc_span/src/lib.rs index 62209e3795fa..b2ca01fe3b94 100644 --- a/compiler/rustc_span/src/lib.rs +++ b/compiler/rustc_span/src/lib.rs @@ -38,13 +38,11 @@ // this crate without this line making `rustc_span` available. extern crate self as rustc_span; -#[macro_use] -extern crate tracing; - use rustc_data_structures::{outline, AtomicRef}; use rustc_macros::{Decodable, Encodable, HashStable_Generic}; use rustc_serialize::opaque::{FileEncoder, MemDecoder}; use rustc_serialize::{Decodable, Decoder, Encodable, Encoder}; +use tracing::debug; mod caching_source_map_view; pub mod source_map; diff --git a/compiler/rustc_span/src/source_map.rs b/compiler/rustc_span/src/source_map.rs index 2093dcf0e831..fb212d67997a 100644 --- a/compiler/rustc_span/src/source_map.rs +++ b/compiler/rustc_span/src/source_map.rs @@ -16,6 +16,7 @@ use rustc_macros::{Decodable, Encodable}; use std::fs; use std::io::{self, BorrowedBuf, Read}; use std::path; +use tracing::{debug, instrument, trace}; #[cfg(test)] mod tests; From 24138f003472051e1ecdc41c27748a4d0f2e511d Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Wed, 22 May 2024 08:56:21 +0200 Subject: [PATCH 0395/1716] Preparing for merge from rustc --- src/tools/miri/rust-version | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/miri/rust-version b/src/tools/miri/rust-version index 207ef6c5de74..01580139be9d 100644 --- a/src/tools/miri/rust-version +++ b/src/tools/miri/rust-version @@ -1 +1 @@ -6579ed89f0fcc26da71afdd11d30d63f6f812a0a +b54dd08a84f3c07efbc2aaf63c3df219ae680a03 From 038f6179d746afb9fe396395ece667d7a0a4052c Mon Sep 17 00:00:00 2001 From: WeiTheShinobi Date: Sat, 2 Mar 2024 16:55:38 +0800 Subject: [PATCH 0396/1716] bug fix: lint numbered_fields message error --- clippy_lints/src/init_numbered_fields.rs | 4 ++-- tests/ui/numbered_fields.fixed | 5 +++++ tests/ui/numbered_fields.rs | 5 +++++ tests/ui/numbered_fields.stderr | 8 +++++++- 4 files changed, 19 insertions(+), 3 deletions(-) diff --git a/clippy_lints/src/init_numbered_fields.rs b/clippy_lints/src/init_numbered_fields.rs index e486563808a5..1c8fd0a27f98 100644 --- a/clippy_lints/src/init_numbered_fields.rs +++ b/clippy_lints/src/init_numbered_fields.rs @@ -1,5 +1,5 @@ use clippy_utils::diagnostics::span_lint_and_sugg; -use clippy_utils::source::snippet_with_applicability; +use clippy_utils::source::{snippet_with_applicability, snippet_with_context}; use rustc_errors::Applicability; use rustc_hir::def::{DefKind, Res}; use rustc_hir::{Expr, ExprKind}; @@ -62,7 +62,7 @@ impl<'tcx> LateLintPass<'tcx> for NumberedFields { snippet_with_applicability(cx, path.span(), "..", &mut appl), expr_spans .into_iter_sorted() - .map(|(_, span)| snippet_with_applicability(cx, span, "..", &mut appl)) + .map(|(_, span)| snippet_with_context(cx, span, path.span().ctxt(), "..", &mut appl).0) .intersperse(Cow::Borrowed(", ")) .collect::() ); diff --git a/tests/ui/numbered_fields.fixed b/tests/ui/numbered_fields.fixed index dc88081ba0a7..108520eed38d 100644 --- a/tests/ui/numbered_fields.fixed +++ b/tests/ui/numbered_fields.fixed @@ -34,4 +34,9 @@ fn main() { // Aliases can't be tuple constructed #8638 let _ = Alias { 0: 0, 1: 1, 2: 2 }; + + // Issue #12367 + struct TupleStructVec(Vec); + + let _ = TupleStructVec(vec![0, 1, 2, 3]); } diff --git a/tests/ui/numbered_fields.rs b/tests/ui/numbered_fields.rs index e8fa652e3c1d..c718661a6826 100644 --- a/tests/ui/numbered_fields.rs +++ b/tests/ui/numbered_fields.rs @@ -42,4 +42,9 @@ fn main() { // Aliases can't be tuple constructed #8638 let _ = Alias { 0: 0, 1: 1, 2: 2 }; + + // Issue #12367 + struct TupleStructVec(Vec); + + let _ = TupleStructVec { 0: vec![0, 1, 2, 3] }; } diff --git a/tests/ui/numbered_fields.stderr b/tests/ui/numbered_fields.stderr index 96426cab1e62..9d3f59cd3769 100644 --- a/tests/ui/numbered_fields.stderr +++ b/tests/ui/numbered_fields.stderr @@ -23,5 +23,11 @@ LL | | 1: 3u32, LL | | }; | |_____^ help: try: `TupleStruct(1u32, 3u32, 2u8)` -error: aborting due to 2 previous errors +error: used a field initializer for a tuple struct + --> tests/ui/numbered_fields.rs:49:13 + | +LL | let _ = TupleStructVec { 0: vec![0, 1, 2, 3] }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `TupleStructVec(vec![0, 1, 2, 3])` + +error: aborting due to 3 previous errors From 8ee3d29cd93325db6f973358115f40ee1c785ef0 Mon Sep 17 00:00:00 2001 From: Scott McMurray Date: Wed, 22 May 2024 00:56:57 -0700 Subject: [PATCH 0397/1716] Stop using `to_hir_binop` in codegen --- .../rustc_codegen_gcc/src/intrinsic/simd.rs | 13 ++++---- compiler/rustc_codegen_llvm/src/intrinsic.rs | 13 ++++---- compiler/rustc_codegen_ssa/src/base.rs | 32 +++++++++---------- compiler/rustc_codegen_ssa/src/mir/rvalue.rs | 13 ++++---- compiler/rustc_middle/src/mir/tcx.rs | 2 +- 5 files changed, 37 insertions(+), 36 deletions(-) diff --git a/compiler/rustc_codegen_gcc/src/intrinsic/simd.rs b/compiler/rustc_codegen_gcc/src/intrinsic/simd.rs index 0c7cffbe7308..1625e6ecdb70 100644 --- a/compiler/rustc_codegen_gcc/src/intrinsic/simd.rs +++ b/compiler/rustc_codegen_gcc/src/intrinsic/simd.rs @@ -14,6 +14,7 @@ use rustc_codegen_ssa::mir::operand::OperandRef; use rustc_codegen_ssa::mir::place::PlaceRef; use rustc_codegen_ssa::traits::{BaseTypeMethods, BuilderMethods}; use rustc_hir as hir; +use rustc_middle::mir::BinOp; use rustc_middle::span_bug; use rustc_middle::ty::layout::HasTyCtxt; use rustc_middle::ty::{self, Ty}; @@ -122,12 +123,12 @@ pub fn generic_simd_intrinsic<'a, 'gcc, 'tcx>( let in_ty = arg_tys[0]; let comparison = match name { - sym::simd_eq => Some(hir::BinOpKind::Eq), - sym::simd_ne => Some(hir::BinOpKind::Ne), - sym::simd_lt => Some(hir::BinOpKind::Lt), - sym::simd_le => Some(hir::BinOpKind::Le), - sym::simd_gt => Some(hir::BinOpKind::Gt), - sym::simd_ge => Some(hir::BinOpKind::Ge), + sym::simd_eq => Some(BinOp::Eq), + sym::simd_ne => Some(BinOp::Ne), + sym::simd_lt => Some(BinOp::Lt), + sym::simd_le => Some(BinOp::Le), + sym::simd_gt => Some(BinOp::Gt), + sym::simd_ge => Some(BinOp::Ge), _ => None, }; diff --git a/compiler/rustc_codegen_llvm/src/intrinsic.rs b/compiler/rustc_codegen_llvm/src/intrinsic.rs index 80e863af893e..897132a8e9cc 100644 --- a/compiler/rustc_codegen_llvm/src/intrinsic.rs +++ b/compiler/rustc_codegen_llvm/src/intrinsic.rs @@ -14,6 +14,7 @@ use rustc_codegen_ssa::mir::operand::{OperandRef, OperandValue}; use rustc_codegen_ssa::mir::place::PlaceRef; use rustc_codegen_ssa::traits::*; use rustc_hir as hir; +use rustc_middle::mir::BinOp; use rustc_middle::ty::layout::{FnAbiOf, HasTyCtxt, LayoutOf}; use rustc_middle::ty::{self, GenericArgsRef, Ty}; use rustc_middle::{bug, span_bug}; @@ -1104,12 +1105,12 @@ fn generic_simd_intrinsic<'ll, 'tcx>( let in_ty = arg_tys[0]; let comparison = match name { - sym::simd_eq => Some(hir::BinOpKind::Eq), - sym::simd_ne => Some(hir::BinOpKind::Ne), - sym::simd_lt => Some(hir::BinOpKind::Lt), - sym::simd_le => Some(hir::BinOpKind::Le), - sym::simd_gt => Some(hir::BinOpKind::Gt), - sym::simd_ge => Some(hir::BinOpKind::Ge), + sym::simd_eq => Some(BinOp::Eq), + sym::simd_ne => Some(BinOp::Ne), + sym::simd_lt => Some(BinOp::Lt), + sym::simd_le => Some(BinOp::Le), + sym::simd_gt => Some(BinOp::Gt), + sym::simd_ge => Some(BinOp::Ge), _ => None, }; diff --git a/compiler/rustc_codegen_ssa/src/base.rs b/compiler/rustc_codegen_ssa/src/base.rs index 877e5b75912e..66bc5b6606de 100644 --- a/compiler/rustc_codegen_ssa/src/base.rs +++ b/compiler/rustc_codegen_ssa/src/base.rs @@ -20,7 +20,6 @@ use rustc_data_structures::fx::{FxHashMap, FxIndexSet}; use rustc_data_structures::profiling::{get_resident_set_size, print_time_passes_entry}; use rustc_data_structures::sync::par_map; use rustc_data_structures::unord::UnordMap; -use rustc_hir as hir; use rustc_hir::def_id::{DefId, LOCAL_CRATE}; use rustc_hir::lang_items::LangItem; use rustc_metadata::EncodedMetadata; @@ -30,6 +29,7 @@ use rustc_middle::middle::debugger_visualizer::{DebuggerVisualizerFile, Debugger use rustc_middle::middle::exported_symbols; use rustc_middle::middle::exported_symbols::SymbolExportKind; use rustc_middle::middle::lang_items; +use rustc_middle::mir::BinOp; use rustc_middle::mir::mono::{CodegenUnit, CodegenUnitNameBuilder, MonoItem}; use rustc_middle::query::Providers; use rustc_middle::ty::layout::{HasTyCtxt, LayoutOf, TyAndLayout}; @@ -46,32 +46,32 @@ use std::time::{Duration, Instant}; use itertools::Itertools; -pub fn bin_op_to_icmp_predicate(op: hir::BinOpKind, signed: bool) -> IntPredicate { +pub fn bin_op_to_icmp_predicate(op: BinOp, signed: bool) -> IntPredicate { match op { - hir::BinOpKind::Eq => IntPredicate::IntEQ, - hir::BinOpKind::Ne => IntPredicate::IntNE, - hir::BinOpKind::Lt => { + BinOp::Eq => IntPredicate::IntEQ, + BinOp::Ne => IntPredicate::IntNE, + BinOp::Lt => { if signed { IntPredicate::IntSLT } else { IntPredicate::IntULT } } - hir::BinOpKind::Le => { + BinOp::Le => { if signed { IntPredicate::IntSLE } else { IntPredicate::IntULE } } - hir::BinOpKind::Gt => { + BinOp::Gt => { if signed { IntPredicate::IntSGT } else { IntPredicate::IntUGT } } - hir::BinOpKind::Ge => { + BinOp::Ge => { if signed { IntPredicate::IntSGE } else { @@ -86,14 +86,14 @@ pub fn bin_op_to_icmp_predicate(op: hir::BinOpKind, signed: bool) -> IntPredicat } } -pub fn bin_op_to_fcmp_predicate(op: hir::BinOpKind) -> RealPredicate { +pub fn bin_op_to_fcmp_predicate(op: BinOp) -> RealPredicate { match op { - hir::BinOpKind::Eq => RealPredicate::RealOEQ, - hir::BinOpKind::Ne => RealPredicate::RealUNE, - hir::BinOpKind::Lt => RealPredicate::RealOLT, - hir::BinOpKind::Le => RealPredicate::RealOLE, - hir::BinOpKind::Gt => RealPredicate::RealOGT, - hir::BinOpKind::Ge => RealPredicate::RealOGE, + BinOp::Eq => RealPredicate::RealOEQ, + BinOp::Ne => RealPredicate::RealUNE, + BinOp::Lt => RealPredicate::RealOLT, + BinOp::Le => RealPredicate::RealOLE, + BinOp::Gt => RealPredicate::RealOGT, + BinOp::Ge => RealPredicate::RealOGE, op => { bug!( "comparison_op_to_fcmp_predicate: expected comparison operator, \ @@ -110,7 +110,7 @@ pub fn compare_simd_types<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>( rhs: Bx::Value, t: Ty<'tcx>, ret_ty: Bx::Type, - op: hir::BinOpKind, + op: BinOp, ) -> Bx::Value { let signed = match t.kind() { ty::Float(_) => { diff --git a/compiler/rustc_codegen_ssa/src/mir/rvalue.rs b/compiler/rustc_codegen_ssa/src/mir/rvalue.rs index 00b28cbd0c68..f9085f502d42 100644 --- a/compiler/rustc_codegen_ssa/src/mir/rvalue.rs +++ b/compiler/rustc_codegen_ssa/src/mir/rvalue.rs @@ -7,7 +7,6 @@ use crate::common::IntPredicate; use crate::traits::*; use crate::MemFlags; -use rustc_hir as hir; use rustc_middle::mir; use rustc_middle::ty::cast::{CastTy, IntTy}; use rustc_middle::ty::layout::{HasTyCtxt, LayoutOf, TyAndLayout}; @@ -896,9 +895,9 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { | mir::BinOp::Le | mir::BinOp::Ge => { if is_float { - bx.fcmp(base::bin_op_to_fcmp_predicate(op.to_hir_binop()), lhs, rhs) + bx.fcmp(base::bin_op_to_fcmp_predicate(op), lhs, rhs) } else { - bx.icmp(base::bin_op_to_icmp_predicate(op.to_hir_binop(), is_signed), lhs, rhs) + bx.icmp(base::bin_op_to_icmp_predicate(op, is_signed), lhs, rhs) } } mir::BinOp::Cmp => { @@ -912,16 +911,16 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { // `PartialOrd`, so only use it in debug for now. Once LLVM can handle it // better (see ), it'll // be worth trying it in optimized builds as well. - let is_gt = bx.icmp(pred(hir::BinOpKind::Gt), lhs, rhs); + let is_gt = bx.icmp(pred(mir::BinOp::Gt), lhs, rhs); let gtext = bx.zext(is_gt, bx.type_i8()); - let is_lt = bx.icmp(pred(hir::BinOpKind::Lt), lhs, rhs); + let is_lt = bx.icmp(pred(mir::BinOp::Lt), lhs, rhs); let ltext = bx.zext(is_lt, bx.type_i8()); bx.unchecked_ssub(gtext, ltext) } else { // These operations are those expected by `tests/codegen/integer-cmp.rs`, // from . - let is_lt = bx.icmp(pred(hir::BinOpKind::Lt), lhs, rhs); - let is_ne = bx.icmp(pred(hir::BinOpKind::Ne), lhs, rhs); + let is_lt = bx.icmp(pred(mir::BinOp::Lt), lhs, rhs); + let is_ne = bx.icmp(pred(mir::BinOp::Ne), lhs, rhs); let ge = bx.select( is_ne, bx.cx().const_i8(Ordering::Greater as i8), diff --git a/compiler/rustc_middle/src/mir/tcx.rs b/compiler/rustc_middle/src/mir/tcx.rs index e1ae2e086667..c421c937dc36 100644 --- a/compiler/rustc_middle/src/mir/tcx.rs +++ b/compiler/rustc_middle/src/mir/tcx.rs @@ -295,7 +295,7 @@ impl BorrowKind { } impl BinOp { - pub fn to_hir_binop(self) -> hir::BinOpKind { + pub(crate) fn to_hir_binop(self) -> hir::BinOpKind { match self { BinOp::Add => hir::BinOpKind::Add, BinOp::Sub => hir::BinOpKind::Sub, From abbe244a814d34c7eedd4c9526de53d401a01d21 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Wed, 22 May 2024 11:09:34 +0200 Subject: [PATCH 0398/1716] clippy --- .../miri/src/borrow_tracker/tree_borrows/perms.rs | 13 +++++++------ .../src/borrow_tracker/tree_borrows/tree/tests.rs | 1 + src/tools/miri/src/concurrency/data_race.rs | 4 ++-- 3 files changed, 10 insertions(+), 8 deletions(-) diff --git a/src/tools/miri/src/borrow_tracker/tree_borrows/perms.rs b/src/tools/miri/src/borrow_tracker/tree_borrows/perms.rs index 28848e244eed..fb3a4c8dad91 100644 --- a/src/tools/miri/src/borrow_tracker/tree_borrows/perms.rs +++ b/src/tools/miri/src/borrow_tracker/tree_borrows/perms.rs @@ -17,6 +17,7 @@ enum PermissionPriv { /// is relevant /// - `conflicted` is set on foreign reads, /// - `conflicted` must not be set on child writes (there is UB otherwise). + /// /// This is so that the behavior of `Reserved` adheres to the rules of `noalias`: /// - foreign-read then child-write is UB due to `conflicted`, /// - child-write then foreign-read is UB since child-write will activate and then @@ -339,15 +340,15 @@ pub mod diagnostics { /// This function assumes that its arguments apply to the same location /// and that they were obtained during a normal execution. It will panic otherwise. /// - all transitions involved in `self` and `err` should be increasing - /// (Reserved < Active < Frozen < Disabled); + /// (Reserved < Active < Frozen < Disabled); /// - between `self` and `err` the permission should also be increasing, - /// so all permissions inside `err` should be greater than `self.1`; + /// so all permissions inside `err` should be greater than `self.1`; /// - `Active` and `Reserved(conflicted=false)` cannot cause an error - /// due to insufficient permissions, so `err` cannot be a `ChildAccessForbidden(_)` - /// of either of them; + /// due to insufficient permissions, so `err` cannot be a `ChildAccessForbidden(_)` + /// of either of them; /// - `err` should not be `ProtectedDisabled(Disabled)`, because the protected - /// tag should not have been `Disabled` in the first place (if this occurs it means - /// we have unprotected tags that become protected) + /// tag should not have been `Disabled` in the first place (if this occurs it means + /// we have unprotected tags that become protected) pub(in super::super) fn is_relevant(&self, err: TransitionError) -> bool { // NOTE: `super::super` is the visibility of `TransitionError` assert!(self.is_possible()); diff --git a/src/tools/miri/src/borrow_tracker/tree_borrows/tree/tests.rs b/src/tools/miri/src/borrow_tracker/tree_borrows/tree/tests.rs index 19acbdb697b6..73717014e899 100644 --- a/src/tools/miri/src/borrow_tracker/tree_borrows/tree/tests.rs +++ b/src/tools/miri/src/borrow_tracker/tree_borrows/tree/tests.rs @@ -230,6 +230,7 @@ mod spurious_read { /// - any access to the same location /// - end of one of them being protected /// - a retag that would change their relative position + /// /// The type `TestEvent` models these kinds of events. /// /// In order to prevent `x` or `y` from losing their protector, diff --git a/src/tools/miri/src/concurrency/data_race.rs b/src/tools/miri/src/concurrency/data_race.rs index f2bec972b18b..3e8703d5cfc8 100644 --- a/src/tools/miri/src/concurrency/data_race.rs +++ b/src/tools/miri/src/concurrency/data_race.rs @@ -1106,9 +1106,9 @@ trait EvalContextPrivExt<'mir, 'tcx: 'mir>: MiriInterpCxExt<'mir, 'tcx> { /// Temporarily allow data-races to occur. This should only be used in /// one of these cases: /// - One of the appropriate `validate_atomic` functions will be called to - /// to treat a memory access as atomic. + /// treat a memory access as atomic. /// - The memory being accessed should be treated as internal state, that - /// cannot be accessed by the interpreted program. + /// cannot be accessed by the interpreted program. /// - Execution of the interpreted program execution has halted. #[inline] fn allow_data_races_ref(&self, op: impl FnOnce(&MiriInterpCx<'mir, 'tcx>) -> R) -> R { From cb5319483e0691393bd3e09a808f734321a23d20 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Wed, 22 May 2024 09:00:07 +0200 Subject: [PATCH 0399/1716] clarify comment Co-authored-by: scottmcm --- compiler/rustc_const_eval/src/interpret/operator.rs | 4 +++- compiler/rustc_middle/src/mir/tcx.rs | 3 +++ 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/compiler/rustc_const_eval/src/interpret/operator.rs b/compiler/rustc_const_eval/src/interpret/operator.rs index 009f94538a3d..6992856053a9 100644 --- a/compiler/rustc_const_eval/src/interpret/operator.rs +++ b/compiler/rustc_const_eval/src/interpret/operator.rs @@ -324,7 +324,9 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { } } - /// Returns the result of the specified operation, and whether it overflowed. + /// Returns the result of the specified operation. + /// + /// Whether this produces a scalar or a pair depends on the specific `bin_op`. pub fn binary_op( &self, bin_op: mir::BinOp, diff --git a/compiler/rustc_middle/src/mir/tcx.rs b/compiler/rustc_middle/src/mir/tcx.rs index 56aba3c04edf..c191de45e70e 100644 --- a/compiler/rustc_middle/src/mir/tcx.rs +++ b/compiler/rustc_middle/src/mir/tcx.rs @@ -297,6 +297,8 @@ impl BorrowKind { impl BinOp { pub fn to_hir_binop(self) -> hir::BinOpKind { match self { + // HIR `+`/`-`/`*` can map to either of these MIR BinOp, depending + // on whether overflow checks are enabled or not. BinOp::Add | BinOp::AddWithOverflow => hir::BinOpKind::Add, BinOp::Sub | BinOp::SubWithOverflow => hir::BinOpKind::Sub, BinOp::Mul | BinOp::MulWithOverflow => hir::BinOpKind::Mul, @@ -313,6 +315,7 @@ impl BinOp { BinOp::Gt => hir::BinOpKind::Gt, BinOp::Le => hir::BinOpKind::Le, BinOp::Ge => hir::BinOpKind::Ge, + // We don't have HIR syntax for these. BinOp::Cmp | BinOp::AddUnchecked | BinOp::SubUnchecked From fc76015dcb77ce86aa2df98c33a8e9cf36c16352 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Wed, 22 May 2024 11:47:32 +0200 Subject: [PATCH 0400/1716] Migrate `run-make/rustdoc-scrape-examples-macros` to `rmake.rs` --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - .../rustdoc-scrape-examples-macros/Makefile | 19 ------ .../rustdoc-scrape-examples-macros/rmake.rs | 64 +++++++++++++++++++ 3 files changed, 64 insertions(+), 20 deletions(-) delete mode 100644 tests/run-make/rustdoc-scrape-examples-macros/Makefile create mode 100644 tests/run-make/rustdoc-scrape-examples-macros/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 96fb8e27e6d2..54912cdd2548 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -233,7 +233,6 @@ run-make/rlib-format-packed-bundled-libs/Makefile run-make/rmeta-preferred/Makefile run-make/rustc-macro-dep-files/Makefile run-make/rustdoc-io-error/Makefile -run-make/rustdoc-scrape-examples-macros/Makefile run-make/rustdoc-verify-output-files/Makefile run-make/rustdoc-with-output-option/Makefile run-make/rustdoc-with-short-out-dir-option/Makefile diff --git a/tests/run-make/rustdoc-scrape-examples-macros/Makefile b/tests/run-make/rustdoc-scrape-examples-macros/Makefile deleted file mode 100644 index edc19d8cb5de..000000000000 --- a/tests/run-make/rustdoc-scrape-examples-macros/Makefile +++ /dev/null @@ -1,19 +0,0 @@ -# ignore-cross-compile -include ../../run-make/tools.mk - -OUTPUT_DIR := "$(TMPDIR)/rustdoc" -DYLIB_NAME := $(shell echo | $(RUSTC) --crate-name foobar_macro --crate-type dylib --print file-names -) - -all: - $(RUSTC) src/proc.rs --crate-name foobar_macro --edition=2021 --crate-type proc-macro --emit=dep-info,link - - $(RUSTC) src/lib.rs --crate-name foobar --edition=2021 --crate-type lib --emit=dep-info,link - - $(RUSTDOC) examples/ex.rs --crate-name ex --crate-type bin --output $(OUTPUT_DIR) \ - --extern foobar=$(TMPDIR)/libfoobar.rlib --extern foobar_macro=$(TMPDIR)/$(DYLIB_NAME) \ - -Z unstable-options --scrape-examples-output-path $(TMPDIR)/ex.calls --scrape-examples-target-crate foobar - - $(RUSTDOC) src/lib.rs --crate-name foobar --crate-type lib --output $(OUTPUT_DIR) \ - -Z unstable-options --with-examples $(TMPDIR)/ex.calls - - $(HTMLDOCCK) $(OUTPUT_DIR) src/lib.rs diff --git a/tests/run-make/rustdoc-scrape-examples-macros/rmake.rs b/tests/run-make/rustdoc-scrape-examples-macros/rmake.rs new file mode 100644 index 000000000000..81b7defafc6c --- /dev/null +++ b/tests/run-make/rustdoc-scrape-examples-macros/rmake.rs @@ -0,0 +1,64 @@ +//@ ignore-cross-compile + +use run_make_support::{htmldocck, rustc, rustdoc, tmp_dir}; + +fn main() { + let tmp_dir = tmp_dir(); + let out_dir = tmp_dir.join("rustdoc"); + let ex_dir = tmp_dir.join("ex.calls"); + let proc_crate_name = "foobar_macro"; + let crate_name = "foobar"; + + let dylib_name = String::from_utf8( + rustc() + .crate_name(proc_crate_name) + .crate_type("dylib") + .arg("--print") + .arg("file-names") + .arg("-") + .command_output() + .stdout, + ) + .unwrap(); + + rustc() + .input("src/proc.rs") + .crate_name(proc_crate_name) + .edition("2021") + .crate_type("proc-macro") + .emit("dep-info,link") + .run(); + rustc() + .input("src/lib.rs") + .crate_name(crate_name) + .edition("2021") + .crate_type("lib") + .emit("dep-info,link") + .run(); + + rustdoc() + .input("examples/ex.rs") + .crate_name("ex") + .crate_type("bin") + .output(&out_dir) + .extern_(crate_name, tmp_dir.join(format!("lib{crate_name}.rlib"))) + .extern_(proc_crate_name, tmp_dir.join(dylib_name.trim())) + .arg("-Zunstable-options") + .arg("--scrape-examples-output-path") + .arg(&ex_dir) + .arg("--scrape-examples-target-crate") + .arg(crate_name) + .run(); + + rustdoc() + .input("src/lib.rs") + .crate_name(crate_name) + .crate_type("lib") + .output(&out_dir) + .arg("-Zunstable-options") + .arg("--with-examples") + .arg(&ex_dir) + .run(); + + assert!(htmldocck().arg(out_dir).arg("src/lib.rs").status().unwrap().success()); +} From ab73bb25cfad9643c67db8b4a89f1aaaae8ddd21 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Wed, 22 May 2024 13:04:14 +0200 Subject: [PATCH 0401/1716] Add a comment --- triagebot.toml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/triagebot.toml b/triagebot.toml index a0581a298702..ec3061f69557 100644 --- a/triagebot.toml +++ b/triagebot.toml @@ -122,6 +122,8 @@ issues). """ label = "O-apple" +# This ping group is meant for situations where a rustc/stdlib change breaks RfL. +# In that case, we want to notify the RfL group. [ping.rust-for-linux] alias = ["rfl"] message = """\ From 8fde7e3b64109f5ebfadef4a015e2cb055bed08c Mon Sep 17 00:00:00 2001 From: surechen Date: Mon, 8 Apr 2024 16:19:09 +0800 Subject: [PATCH 0402/1716] For OutsideLoop we should not suggest add 'block label in if block, or we wiil get another err: block label not supported here. fixes #123261 --- compiler/rustc_passes/src/errors.rs | 4 +- compiler/rustc_passes/src/loops.rs | 172 +++++++++++++++--- .../loop-if-else-break-issue-123261.fixed | 31 ++++ .../loops/loop-if-else-break-issue-123261.rs | 31 ++++ .../loop-if-else-break-issue-123261.stderr | 59 ++++++ .../break-in-unlabeled-block-in-macro.stderr | 38 ++-- 6 files changed, 290 insertions(+), 45 deletions(-) create mode 100644 tests/ui/loops/loop-if-else-break-issue-123261.fixed create mode 100644 tests/ui/loops/loop-if-else-break-issue-123261.rs create mode 100644 tests/ui/loops/loop-if-else-break-issue-123261.stderr diff --git a/compiler/rustc_passes/src/errors.rs b/compiler/rustc_passes/src/errors.rs index b8586e7e974a..a55187170937 100644 --- a/compiler/rustc_passes/src/errors.rs +++ b/compiler/rustc_passes/src/errors.rs @@ -1103,7 +1103,7 @@ pub struct BreakInsideCoroutine<'a> { pub struct OutsideLoop<'a> { #[primary_span] #[label] - pub span: Span, + pub spans: Vec, pub name: &'a str, pub is_break: bool, #[subdiagnostic] @@ -1115,7 +1115,7 @@ pub struct OutsideLoopSuggestion { #[suggestion_part(code = "'block: ")] pub block_span: Span, #[suggestion_part(code = " 'block")] - pub break_span: Span, + pub break_spans: Vec, } #[derive(Diagnostic)] diff --git a/compiler/rustc_passes/src/loops.rs b/compiler/rustc_passes/src/loops.rs index 3b20112eab7b..2587a18b8c89 100644 --- a/compiler/rustc_passes/src/loops.rs +++ b/compiler/rustc_passes/src/loops.rs @@ -1,3 +1,5 @@ +use std::collections::BTreeMap; +use std::fmt; use Context::*; use rustc_hir as hir; @@ -25,22 +27,55 @@ enum Context { Closure(Span), Coroutine { coroutine_span: Span, kind: hir::CoroutineDesugaring, source: hir::CoroutineSource }, UnlabeledBlock(Span), + UnlabeledIfBlock(Span), LabeledBlock, Constant, } -#[derive(Copy, Clone)] +#[derive(Clone)] +struct BlockInfo { + name: String, + spans: Vec, + suggs: Vec, +} + +#[derive(PartialEq)] +enum BreakContextKind { + Break, + Continue, +} + +impl fmt::Display for BreakContextKind { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + match self { + BreakContextKind::Break => "break", + BreakContextKind::Continue => "continue", + } + .fmt(f) + } +} + +#[derive(Clone)] struct CheckLoopVisitor<'a, 'tcx> { sess: &'a Session, tcx: TyCtxt<'tcx>, - cx: Context, + // Keep track of a stack of contexts, so that suggestions + // are not made for contexts where it would be incorrect, + // such as adding a label for an `if`. + // e.g. `if 'foo: {}` would be incorrect. + cx_stack: Vec, + block_breaks: BTreeMap, } fn check_mod_loops(tcx: TyCtxt<'_>, module_def_id: LocalModDefId) { - tcx.hir().visit_item_likes_in_module( - module_def_id, - &mut CheckLoopVisitor { sess: tcx.sess, tcx, cx: Normal }, - ); + let mut check = CheckLoopVisitor { + sess: tcx.sess, + tcx, + cx_stack: vec![Normal], + block_breaks: Default::default(), + }; + tcx.hir().visit_item_likes_in_module(module_def_id, &mut check); + check.report_outside_loop_error(); } pub(crate) fn provide(providers: &mut Providers) { @@ -83,6 +118,45 @@ impl<'a, 'hir> Visitor<'hir> for CheckLoopVisitor<'a, 'hir> { fn visit_expr(&mut self, e: &'hir hir::Expr<'hir>) { match e.kind { + hir::ExprKind::If(cond, then, else_opt) => { + self.visit_expr(cond); + + let get_block = |ck_loop: &CheckLoopVisitor<'a, 'hir>, + expr: &hir::Expr<'hir>| + -> Option<&hir::Block<'hir>> { + if let hir::ExprKind::Block(b, None) = expr.kind + && matches!( + ck_loop.cx_stack.last(), + Some(&Normal) + | Some(&Constant) + | Some(&UnlabeledBlock(_)) + | Some(&UnlabeledIfBlock(_)) + ) + { + Some(b) + } else { + None + } + }; + + if let Some(b) = get_block(self, then) { + self.with_context(UnlabeledIfBlock(b.span.shrink_to_lo()), |v| { + v.visit_block(b) + }); + } else { + self.visit_expr(then); + } + + if let Some(else_expr) = else_opt { + if let Some(b) = get_block(self, else_expr) { + self.with_context(UnlabeledIfBlock(b.span.shrink_to_lo()), |v| { + v.visit_block(b) + }); + } else { + self.visit_expr(else_expr); + } + } + } hir::ExprKind::Loop(ref b, _, source, _) => { self.with_context(Loop(source), |v| v.visit_block(b)); } @@ -101,11 +175,14 @@ impl<'a, 'hir> Visitor<'hir> for CheckLoopVisitor<'a, 'hir> { hir::ExprKind::Block(ref b, Some(_label)) => { self.with_context(LabeledBlock, |v| v.visit_block(b)); } - hir::ExprKind::Block(ref b, None) if matches!(self.cx, Fn) => { + hir::ExprKind::Block(ref b, None) if matches!(self.cx_stack.last(), Some(&Fn)) => { self.with_context(Normal, |v| v.visit_block(b)); } hir::ExprKind::Block(ref b, None) - if matches!(self.cx, Normal | Constant | UnlabeledBlock(_)) => + if matches!( + self.cx_stack.last(), + Some(&Normal) | Some(&Constant) | Some(&UnlabeledBlock(_)) + ) => { self.with_context(UnlabeledBlock(b.span.shrink_to_lo()), |v| v.visit_block(b)); } @@ -178,7 +255,12 @@ impl<'a, 'hir> Visitor<'hir> for CheckLoopVisitor<'a, 'hir> { Some(label) => sp_lo.with_hi(label.ident.span.hi()), None => sp_lo.shrink_to_lo(), }; - self.require_break_cx("break", e.span, label_sp); + self.require_break_cx( + BreakContextKind::Break, + e.span, + label_sp, + self.cx_stack.len() - 1, + ); } hir::ExprKind::Continue(destination) => { self.require_label_in_labeled_block(e.span, &destination, "continue"); @@ -200,7 +282,12 @@ impl<'a, 'hir> Visitor<'hir> for CheckLoopVisitor<'a, 'hir> { } Err(_) => {} } - self.require_break_cx("continue", e.span, e.span) + self.require_break_cx( + BreakContextKind::Continue, + e.span, + e.span, + self.cx_stack.len() - 1, + ) } _ => intravisit::walk_expr(self, e), } @@ -212,18 +299,26 @@ impl<'a, 'hir> CheckLoopVisitor<'a, 'hir> { where F: FnOnce(&mut CheckLoopVisitor<'a, 'hir>), { - let old_cx = self.cx; - self.cx = cx; + self.cx_stack.push(cx); f(self); - self.cx = old_cx; + self.cx_stack.pop(); } - fn require_break_cx(&self, name: &str, span: Span, break_span: Span) { - let is_break = name == "break"; - match self.cx { + fn require_break_cx( + &mut self, + br_cx_kind: BreakContextKind, + span: Span, + break_span: Span, + cx_pos: usize, + ) { + match self.cx_stack[cx_pos] { LabeledBlock | Loop(_) => {} Closure(closure_span) => { - self.sess.dcx().emit_err(BreakInsideClosure { span, closure_span, name }); + self.sess.dcx().emit_err(BreakInsideClosure { + span, + closure_span, + name: &br_cx_kind.to_string(), + }); } Coroutine { coroutine_span, kind, source } => { let kind = match kind { @@ -239,17 +334,32 @@ impl<'a, 'hir> CheckLoopVisitor<'a, 'hir> { self.sess.dcx().emit_err(BreakInsideCoroutine { span, coroutine_span, - name, + name: &br_cx_kind.to_string(), kind, source, }); } - UnlabeledBlock(block_span) if is_break && block_span.eq_ctxt(break_span) => { - let suggestion = Some(OutsideLoopSuggestion { block_span, break_span }); - self.sess.dcx().emit_err(OutsideLoop { span, name, is_break, suggestion }); + UnlabeledBlock(block_span) + if br_cx_kind == BreakContextKind::Break && block_span.eq_ctxt(break_span) => + { + let block = self.block_breaks.entry(block_span).or_insert_with(|| BlockInfo { + name: br_cx_kind.to_string(), + spans: vec![], + suggs: vec![], + }); + block.spans.push(span); + block.suggs.push(break_span); } - Normal | Constant | Fn | UnlabeledBlock(_) => { - self.sess.dcx().emit_err(OutsideLoop { span, name, is_break, suggestion: None }); + UnlabeledIfBlock(_) if br_cx_kind == BreakContextKind::Break => { + self.require_break_cx(br_cx_kind, span, break_span, cx_pos - 1); + } + Normal | Constant | Fn | UnlabeledBlock(_) | UnlabeledIfBlock(_) => { + self.sess.dcx().emit_err(OutsideLoop { + spans: vec![span], + name: &br_cx_kind.to_string(), + is_break: br_cx_kind == BreakContextKind::Break, + suggestion: None, + }); } } } @@ -261,7 +371,7 @@ impl<'a, 'hir> CheckLoopVisitor<'a, 'hir> { cf_type: &str, ) -> bool { if !span.is_desugaring(DesugaringKind::QuestionMark) - && self.cx == LabeledBlock + && self.cx_stack.last() == Some(&LabeledBlock) && label.label.is_none() { self.sess.dcx().emit_err(UnlabeledInLabeledBlock { span, cf_type }); @@ -269,4 +379,18 @@ impl<'a, 'hir> CheckLoopVisitor<'a, 'hir> { } false } + + fn report_outside_loop_error(&mut self) { + for (s, block) in &self.block_breaks { + self.sess.dcx().emit_err(OutsideLoop { + spans: block.spans.clone(), + name: &block.name, + is_break: true, + suggestion: Some(OutsideLoopSuggestion { + block_span: *s, + break_spans: block.suggs.clone(), + }), + }); + } + } } diff --git a/tests/ui/loops/loop-if-else-break-issue-123261.fixed b/tests/ui/loops/loop-if-else-break-issue-123261.fixed new file mode 100644 index 000000000000..f9e88c18ad02 --- /dev/null +++ b/tests/ui/loops/loop-if-else-break-issue-123261.fixed @@ -0,0 +1,31 @@ +//@ run-rustfix + +#![allow(unused)] + +fn main() { + let n = 1; + let m = 2; + let x = 'block: { + if n == 0 { + break 'block 1; //~ ERROR [E0268] + } else { + break 'block 2; + } + }; + + let y = 'block: { + if n == 0 { + break 'block 1; //~ ERROR [E0268] + } + break 'block 0; + }; + + let z = 'block: { + if n == 0 { + if m > 1 { + break 'block 3; //~ ERROR [E0268] + } + } + break 'block 1; + }; +} diff --git a/tests/ui/loops/loop-if-else-break-issue-123261.rs b/tests/ui/loops/loop-if-else-break-issue-123261.rs new file mode 100644 index 000000000000..a1f9dabe891f --- /dev/null +++ b/tests/ui/loops/loop-if-else-break-issue-123261.rs @@ -0,0 +1,31 @@ +//@ run-rustfix + +#![allow(unused)] + +fn main() { + let n = 1; + let m = 2; + let x = { + if n == 0 { + break 1; //~ ERROR [E0268] + } else { + break 2; + } + }; + + let y = { + if n == 0 { + break 1; //~ ERROR [E0268] + } + break 0; + }; + + let z = { + if n == 0 { + if m > 1 { + break 3; //~ ERROR [E0268] + } + } + break 1; + }; +} diff --git a/tests/ui/loops/loop-if-else-break-issue-123261.stderr b/tests/ui/loops/loop-if-else-break-issue-123261.stderr new file mode 100644 index 000000000000..7bd192fc00b0 --- /dev/null +++ b/tests/ui/loops/loop-if-else-break-issue-123261.stderr @@ -0,0 +1,59 @@ +error[E0268]: `break` outside of a loop or labeled block + --> $DIR/loop-if-else-break-issue-123261.rs:10:13 + | +LL | break 1; + | ^^^^^^^ cannot `break` outside of a loop or labeled block +LL | } else { +LL | break 2; + | ^^^^^^^ cannot `break` outside of a loop or labeled block + | +help: consider labeling this block to be able to break within it + | +LL ~ let x = 'block: { +LL | if n == 0 { +LL ~ break 'block 1; +LL | } else { +LL ~ break 'block 2; + | + +error[E0268]: `break` outside of a loop or labeled block + --> $DIR/loop-if-else-break-issue-123261.rs:18:13 + | +LL | break 1; + | ^^^^^^^ cannot `break` outside of a loop or labeled block +LL | } +LL | break 0; + | ^^^^^^^ cannot `break` outside of a loop or labeled block + | +help: consider labeling this block to be able to break within it + | +LL ~ let y = 'block: { +LL | if n == 0 { +LL ~ break 'block 1; +LL | } +LL ~ break 'block 0; + | + +error[E0268]: `break` outside of a loop or labeled block + --> $DIR/loop-if-else-break-issue-123261.rs:26:17 + | +LL | break 3; + | ^^^^^^^ cannot `break` outside of a loop or labeled block +... +LL | break 1; + | ^^^^^^^ cannot `break` outside of a loop or labeled block + | +help: consider labeling this block to be able to break within it + | +LL ~ let z = 'block: { +LL | if n == 0 { +LL | if m > 1 { +LL ~ break 'block 3; +LL | } +LL | } +LL ~ break 'block 1; + | + +error: aborting due to 3 previous errors + +For more information about this error, try `rustc --explain E0268`. diff --git a/tests/ui/parser/break-in-unlabeled-block-in-macro.stderr b/tests/ui/parser/break-in-unlabeled-block-in-macro.stderr index 9407e8ac0029..2f46cb36750b 100644 --- a/tests/ui/parser/break-in-unlabeled-block-in-macro.stderr +++ b/tests/ui/parser/break-in-unlabeled-block-in-macro.stderr @@ -21,16 +21,21 @@ LL | foo!(()); = note: this error originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0268]: `break` outside of a loop or labeled block - --> $DIR/break-in-unlabeled-block-in-macro.rs:27:19 + --> $DIR/break-in-unlabeled-block-in-macro.rs:33:17 | -LL | foo!(stmt break ()); - | ^^^^^^^^ cannot `break` outside of a loop or labeled block +LL | foo!(=> break ()); + | ^^^^^^^^ cannot `break` outside of a loop or labeled block + +error[E0268]: `break` outside of a loop or labeled block + --> $DIR/break-in-unlabeled-block-in-macro.rs:38:17 | -help: consider labeling this block to be able to break within it - | -LL ~ 'block: { -LL ~ foo!(stmt break 'block ()); +LL | break () + | ^^^^^^^^ cannot `break` outside of a loop or labeled block +... +LL | bar!() + | ------ in this macro invocation | + = note: this error originates in the macro `bar` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0268]: `break` outside of a loop or labeled block --> $DIR/break-in-unlabeled-block-in-macro.rs:12:11 @@ -48,21 +53,16 @@ LL | 'block: { break 'block $e; } | +++++++ ++++++ error[E0268]: `break` outside of a loop or labeled block - --> $DIR/break-in-unlabeled-block-in-macro.rs:33:17 + --> $DIR/break-in-unlabeled-block-in-macro.rs:27:19 | -LL | foo!(=> break ()); - | ^^^^^^^^ cannot `break` outside of a loop or labeled block - -error[E0268]: `break` outside of a loop or labeled block - --> $DIR/break-in-unlabeled-block-in-macro.rs:38:17 +LL | foo!(stmt break ()); + | ^^^^^^^^ cannot `break` outside of a loop or labeled block | -LL | break () - | ^^^^^^^^ cannot `break` outside of a loop or labeled block -... -LL | bar!() - | ------ in this macro invocation +help: consider labeling this block to be able to break within it + | +LL ~ 'block: { +LL ~ foo!(stmt break 'block ()); | - = note: this error originates in the macro `bar` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to 6 previous errors From 72968e519834213d69989271fd6dfb2cdc64493c Mon Sep 17 00:00:00 2001 From: Tobias Bucher Date: Wed, 22 May 2024 15:54:02 +0200 Subject: [PATCH 0403/1716] Rename `FrameworkOnlyWindows` to `RawDylibOnlyWindows` Frameworks are Apple-specific, no idea why it had "framework" in the name before. --- compiler/rustc_metadata/messages.ftl | 6 +++--- compiler/rustc_metadata/src/errors.rs | 4 ++-- compiler/rustc_metadata/src/native_libs.rs | 2 +- 3 files changed, 6 insertions(+), 6 deletions(-) diff --git a/compiler/rustc_metadata/messages.ftl b/compiler/rustc_metadata/messages.ftl index 2f5dfad265c8..932603cd6b26 100644 --- a/compiler/rustc_metadata/messages.ftl +++ b/compiler/rustc_metadata/messages.ftl @@ -91,9 +91,6 @@ metadata_found_staticlib = found staticlib `{$crate_name}` instead of rlib or dylib{$add_info} .help = please recompile that crate using --crate-type lib -metadata_framework_only_windows = - link kind `raw-dylib` is only supported on Windows targets - metadata_global_alloc_required = no global memory allocator found but one is required; link to std or add `#[global_allocator]` to a static item that implements the GlobalAlloc trait @@ -233,6 +230,9 @@ metadata_profiler_builtins_needs_core = metadata_raw_dylib_no_nul = link name must not contain NUL characters if link kind is `raw-dylib` +metadata_raw_dylib_only_windows = + link kind `raw-dylib` is only supported on Windows targets + metadata_renaming_no_link = renaming of the library `{$lib_name}` was specified, however this crate contains no `#[link(...)]` attributes referencing this library diff --git a/compiler/rustc_metadata/src/errors.rs b/compiler/rustc_metadata/src/errors.rs index fb0010f2c5d2..47d183a04404 100644 --- a/compiler/rustc_metadata/src/errors.rs +++ b/compiler/rustc_metadata/src/errors.rs @@ -142,8 +142,8 @@ pub struct LinkFrameworkApple { } #[derive(Diagnostic)] -#[diag(metadata_framework_only_windows, code = E0455)] -pub struct FrameworkOnlyWindows { +#[diag(metadata_raw_dylib_only_windows, code = E0455)] +pub struct RawDylibOnlyWindows { #[primary_span] pub span: Span, } diff --git a/compiler/rustc_metadata/src/native_libs.rs b/compiler/rustc_metadata/src/native_libs.rs index 58760be921a6..1254ebead072 100644 --- a/compiler/rustc_metadata/src/native_libs.rs +++ b/compiler/rustc_metadata/src/native_libs.rs @@ -151,7 +151,7 @@ impl<'tcx> Collector<'tcx> { } "raw-dylib" => { if !sess.target.is_like_windows { - sess.dcx().emit_err(errors::FrameworkOnlyWindows { span }); + sess.dcx().emit_err(errors::RawDylibOnlyWindows { span }); } NativeLibKind::RawDylib } From 711338bd9f957b7bd345323033e9037c0e1ca535 Mon Sep 17 00:00:00 2001 From: Vadim Petrochenkov Date: Fri, 10 May 2024 17:29:02 +0300 Subject: [PATCH 0404/1716] rustc: Use `tcx.used_crates(())` more And explain when it should be used. --- .../rustc_codegen_ssa/src/back/symbol_export.rs | 2 +- compiler/rustc_codegen_ssa/src/base.rs | 4 ++-- compiler/rustc_interface/src/passes.rs | 2 +- .../rustc_metadata/src/dependency_format.rs | 12 ++++++------ .../src/rmeta/decoder/cstore_impl.rs | 4 ++-- compiler/rustc_metadata/src/rmeta/encoder.rs | 2 +- compiler/rustc_middle/src/hir/map/mod.rs | 6 +++--- compiler/rustc_middle/src/query/mod.rs | 17 +++++++++++++---- compiler/rustc_middle/src/ty/context.rs | 2 +- compiler/rustc_middle/src/ty/print/pretty.rs | 2 +- compiler/rustc_middle/src/ty/trait_def.rs | 4 ++-- compiler/rustc_passes/src/diagnostic_items.rs | 2 +- compiler/rustc_passes/src/stability.rs | 4 ++-- compiler/rustc_passes/src/weak_lang_items.rs | 2 +- compiler/rustc_smir/src/rustc_smir/context.rs | 11 ++++++++--- src/librustdoc/clean/types.rs | 2 +- src/librustdoc/core.rs | 2 +- src/librustdoc/formats/cache.rs | 2 +- src/librustdoc/passes/collect_trait_impls.rs | 2 +- src/librustdoc/scrape_examples.rs | 2 +- src/tools/clippy/clippy_utils/src/lib.rs | 2 +- src/tools/miri/src/helpers.rs | 4 ++-- tests/ui/extern-flag/empty-extern-arg.stderr | 9 +-------- 23 files changed, 54 insertions(+), 47 deletions(-) diff --git a/compiler/rustc_codegen_ssa/src/back/symbol_export.rs b/compiler/rustc_codegen_ssa/src/back/symbol_export.rs index 0e335bf00cf0..897ec2a80425 100644 --- a/compiler/rustc_codegen_ssa/src/back/symbol_export.rs +++ b/compiler/rustc_codegen_ssa/src/back/symbol_export.rs @@ -399,7 +399,7 @@ fn upstream_monomorphizations_provider( tcx: TyCtxt<'_>, (): (), ) -> DefIdMap, CrateNum>> { - let cnums = tcx.crates(()); + let cnums = tcx.used_crates(()); let mut instances: DefIdMap> = Default::default(); diff --git a/compiler/rustc_codegen_ssa/src/base.rs b/compiler/rustc_codegen_ssa/src/base.rs index 877e5b75912e..89edadbd2525 100644 --- a/compiler/rustc_codegen_ssa/src/base.rs +++ b/compiler/rustc_codegen_ssa/src/base.rs @@ -539,7 +539,7 @@ pub fn collect_debugger_visualizers_transitive( tcx.debugger_visualizers(LOCAL_CRATE) .iter() .chain( - tcx.crates(()) + tcx.used_crates(()) .iter() .filter(|&cnum| { let used_crate_source = tcx.used_crate_source(*cnum); @@ -849,7 +849,7 @@ impl CrateInfo { // `compiler_builtins` are always placed last to ensure that they're linked correctly. used_crates.extend(compiler_builtins); - let crates = tcx.crates(()); + let crates = tcx.used_crates(()); let n_crates = crates.len(); let mut info = CrateInfo { target_cpu, diff --git a/compiler/rustc_interface/src/passes.rs b/compiler/rustc_interface/src/passes.rs index 76d5d7a3ac2f..f1f9b7438512 100644 --- a/compiler/rustc_interface/src/passes.rs +++ b/compiler/rustc_interface/src/passes.rs @@ -458,7 +458,7 @@ fn write_out_deps(tcx: TyCtxt<'_>, outputs: &OutputFilenames, out_filenames: &[P } } - for &cnum in tcx.crates(()) { + for &cnum in tcx.crates_including_speculative(()) { let source = tcx.used_crate_source(cnum); if let Some((path, _)) = &source.dylib { files.push(escape_dep_filename(&path.display().to_string())); diff --git a/compiler/rustc_metadata/src/dependency_format.rs b/compiler/rustc_metadata/src/dependency_format.rs index 99181f9c8605..8afeb4307197 100644 --- a/compiler/rustc_metadata/src/dependency_format.rs +++ b/compiler/rustc_metadata/src/dependency_format.rs @@ -143,7 +143,7 @@ fn calculate_type(tcx: TyCtxt<'_>, ty: CrateType) -> DependencyList { && sess.crt_static(Some(ty)) && !sess.target.crt_static_allows_dylibs) { - for &cnum in tcx.crates(()).iter() { + for &cnum in tcx.used_crates(()).iter() { if tcx.dep_kind(cnum).macros_only() { continue; } @@ -164,7 +164,7 @@ fn calculate_type(tcx: TyCtxt<'_>, ty: CrateType) -> DependencyList { // Sweep all crates for found dylibs. Add all dylibs, as well as their // dependencies, ensuring there are no conflicts. The only valid case for a // dependency to be relied upon twice is for both cases to rely on a dylib. - for &cnum in tcx.crates(()).iter() { + for &cnum in tcx.used_crates(()).iter() { if tcx.dep_kind(cnum).macros_only() { continue; } @@ -182,7 +182,7 @@ fn calculate_type(tcx: TyCtxt<'_>, ty: CrateType) -> DependencyList { } // Collect what we've got so far in the return vector. - let last_crate = tcx.crates(()).len(); + let last_crate = tcx.used_crates(()).len(); let mut ret = (1..last_crate + 1) .map(|cnum| match formats.get(&CrateNum::new(cnum)) { Some(&RequireDynamic) => Linkage::Dynamic, @@ -196,7 +196,7 @@ fn calculate_type(tcx: TyCtxt<'_>, ty: CrateType) -> DependencyList { // // If the crate hasn't been included yet and it's not actually required // (e.g., it's an allocator) then we skip it here as well. - for &cnum in tcx.crates(()).iter() { + for &cnum in tcx.used_crates(()).iter() { let src = tcx.used_crate_source(cnum); if src.dylib.is_none() && !formats.contains_key(&cnum) @@ -284,7 +284,7 @@ fn add_library( fn attempt_static(tcx: TyCtxt<'_>, unavailable: &mut Vec) -> Option { let all_crates_available_as_rlib = tcx - .crates(()) + .used_crates(()) .iter() .copied() .filter_map(|cnum| { @@ -305,7 +305,7 @@ fn attempt_static(tcx: TyCtxt<'_>, unavailable: &mut Vec) -> Option Linkage::Static, diff --git a/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs b/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs index c783149a6951..4cad317ce80c 100644 --- a/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs +++ b/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs @@ -435,7 +435,7 @@ pub(in crate::rmeta) fn provide(providers: &mut Providers) { // traversal, but not globally minimal across all crates. let bfs_queue = &mut VecDeque::new(); - for &cnum in tcx.crates(()) { + for &cnum in tcx.crates_including_speculative(()) { // Ignore crates without a corresponding local `extern crate` item. if tcx.missing_extern_crate_item(cnum) { continue; @@ -505,7 +505,7 @@ pub(in crate::rmeta) fn provide(providers: &mut Providers) { tcx.arena .alloc_slice(&CStore::from_tcx(tcx).crate_dependencies_in_postorder(LOCAL_CRATE)) }, - crates: |tcx, ()| { + crates_including_speculative: |tcx, ()| { // The list of loaded crates is now frozen in query cache, // so make sure cstore is not mutably accessed from here on. tcx.untracked().cstore.freeze(); diff --git a/compiler/rustc_metadata/src/rmeta/encoder.rs b/compiler/rustc_metadata/src/rmeta/encoder.rs index db0dc6d9064b..fbe70d4604c4 100644 --- a/compiler/rustc_metadata/src/rmeta/encoder.rs +++ b/compiler/rustc_metadata/src/rmeta/encoder.rs @@ -1898,7 +1898,7 @@ impl<'a, 'tcx> EncodeContext<'a, 'tcx> { let deps = self .tcx - .crates(()) + .crates_including_speculative(()) .iter() .map(|&cnum| { let dep = CrateDep { diff --git a/compiler/rustc_middle/src/hir/map/mod.rs b/compiler/rustc_middle/src/hir/map/mod.rs index f3f24f771770..b17af47fbcd4 100644 --- a/compiler/rustc_middle/src/hir/map/mod.rs +++ b/compiler/rustc_middle/src/hir/map/mod.rs @@ -1016,7 +1016,7 @@ pub(super) fn crate_hash(tcx: TyCtxt<'_>, _: LocalCrate) -> Svh { let krate = tcx.hir_crate(()); let hir_body_hash = krate.opt_hir_hash.expect("HIR hash missing while computing crate hash"); - let upstream_crates = upstream_crates(tcx); + let upstream_crates = upstream_crates_for_hashing(tcx); let resolutions = tcx.resolutions(()); @@ -1085,9 +1085,9 @@ pub(super) fn crate_hash(tcx: TyCtxt<'_>, _: LocalCrate) -> Svh { Svh::new(crate_hash) } -fn upstream_crates(tcx: TyCtxt<'_>) -> Vec<(StableCrateId, Svh)> { +fn upstream_crates_for_hashing(tcx: TyCtxt<'_>) -> Vec<(StableCrateId, Svh)> { let mut upstream_crates: Vec<_> = tcx - .crates(()) + .crates_including_speculative(()) .iter() .map(|&cnum| { let stable_crate_id = tcx.stable_crate_id(cnum); diff --git a/compiler/rustc_middle/src/query/mod.rs b/compiler/rustc_middle/src/query/mod.rs index c2f7a227f666..0654d82838c9 100644 --- a/compiler/rustc_middle/src/query/mod.rs +++ b/compiler/rustc_middle/src/query/mod.rs @@ -1860,13 +1860,22 @@ rustc_queries! { eval_always desc { "calculating the stability index for the local crate" } } - query crates(_: ()) -> &'tcx [CrateNum] { + /// All loaded crates, including those loaded purely for doc links or diagnostics. + /// (Diagnostics include lints, so speculatively loaded crates may occur in successful + /// compilation even without doc links.) + /// Should be used when encoding crate metadata (and therefore when generating crate hash, + /// depinfo and similar things), to avoid dangling crate references in other encoded data, + /// like source maps. + /// May also be used for diagnostics - if we are loading a crate anyway we can suggest some + /// items from it as well. + /// But otherwise, `used_crates` should generally be used. + query crates_including_speculative(_: ()) -> &'tcx [CrateNum] { eval_always desc { "fetching all foreign CrateNum instances" } } - // Crates that are loaded non-speculatively (not for diagnostics or doc links). - // FIXME: This is currently only used for collecting lang items, but should be used instead of - // `crates` in most other cases too. + /// Crates that are loaded non-speculatively (not for diagnostics or doc links). + /// Should be used to maintain observable language behavior, for example when collecting lang + /// items or impls from all crates, or collecting libraries to link. query used_crates(_: ()) -> &'tcx [CrateNum] { eval_always desc { "fetching `CrateNum`s for all crates loaded non-speculatively" } diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index 896114e2483c..e0d1b5a62f73 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -1611,7 +1611,7 @@ impl<'tcx> TyCtxt<'tcx> { pub fn all_traits(self) -> impl Iterator + 'tcx { iter::once(LOCAL_CRATE) - .chain(self.crates(()).iter().copied()) + .chain(self.used_crates(()).iter().copied()) .flat_map(move |cnum| self.traits(cnum).iter().copied()) } diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs index a1ead1bb59f5..0bcd02aaa3ac 100644 --- a/compiler/rustc_middle/src/ty/print/pretty.rs +++ b/compiler/rustc_middle/src/ty/print/pretty.rs @@ -3258,7 +3258,7 @@ fn for_each_def(tcx: TyCtxt<'_>, mut collect_fn: impl for<'b> FnMut(&'b Ident, N let queue = &mut Vec::new(); let mut seen_defs: DefIdSet = Default::default(); - for &cnum in tcx.crates(()).iter() { + for &cnum in tcx.crates_including_speculative(()).iter() { let def_id = cnum.as_def_id(); // Ignore crates that are not direct dependencies. diff --git a/compiler/rustc_middle/src/ty/trait_def.rs b/compiler/rustc_middle/src/ty/trait_def.rs index cf1cbb934105..d2bcab1493f0 100644 --- a/compiler/rustc_middle/src/ty/trait_def.rs +++ b/compiler/rustc_middle/src/ty/trait_def.rs @@ -205,7 +205,7 @@ pub(super) fn trait_impls_of_provider(tcx: TyCtxt<'_>, trait_id: DefId) -> Trait // Traits defined in the current crate can't have impls in upstream // crates, so we don't bother querying the cstore. if !trait_id.is_local() { - for &cnum in tcx.crates(()).iter() { + for &cnum in tcx.used_crates(()).iter() { for &(impl_def_id, simplified_self_ty) in tcx.implementations_of_trait((cnum, trait_id)).iter() { @@ -247,7 +247,7 @@ pub(super) fn incoherent_impls_provider( let mut impls = Vec::new(); let mut res = Ok(()); - for cnum in iter::once(LOCAL_CRATE).chain(tcx.crates(()).iter().copied()) { + for cnum in iter::once(LOCAL_CRATE).chain(tcx.used_crates(()).iter().copied()) { let incoherent_impls = match tcx.crate_incoherent_impls((cnum, simp)) { Ok(impls) => impls, Err(e) => { diff --git a/compiler/rustc_passes/src/diagnostic_items.rs b/compiler/rustc_passes/src/diagnostic_items.rs index 906ecdfe5aba..78653e5f95a6 100644 --- a/compiler/rustc_passes/src/diagnostic_items.rs +++ b/compiler/rustc_passes/src/diagnostic_items.rs @@ -82,7 +82,7 @@ fn all_diagnostic_items(tcx: TyCtxt<'_>, (): ()) -> DiagnosticItems { let mut items = DiagnosticItems::default(); // Collect diagnostic items in other crates. - for &cnum in tcx.crates(()).iter().chain(std::iter::once(&LOCAL_CRATE)) { + for &cnum in tcx.crates_including_speculative(()).iter().chain(std::iter::once(&LOCAL_CRATE)) { for (&name, &def_id) in &tcx.diagnostic_items(cnum).name_to_id { collect_item(tcx, &mut items, name, def_id); } diff --git a/compiler/rustc_passes/src/stability.rs b/compiler/rustc_passes/src/stability.rs index 05c833cdfb65..4ed0e6abc77e 100644 --- a/compiler/rustc_passes/src/stability.rs +++ b/compiler/rustc_passes/src/stability.rs @@ -1020,7 +1020,7 @@ pub fn check_unused_or_stable_features(tcx: TyCtxt<'_>) { // stabilization diagnostic, but it can be avoided when there are no // `remaining_lib_features`. let mut all_implications = remaining_implications.clone(); - for &cnum in tcx.crates(()) { + for &cnum in tcx.used_crates(()) { all_implications .extend_unord(tcx.stability_implications(cnum).items().map(|(k, v)| (*k, *v))); } @@ -1033,7 +1033,7 @@ pub fn check_unused_or_stable_features(tcx: TyCtxt<'_>) { &all_implications, ); - for &cnum in tcx.crates(()) { + for &cnum in tcx.used_crates(()) { if remaining_lib_features.is_empty() && remaining_implications.is_empty() { break; } diff --git a/compiler/rustc_passes/src/weak_lang_items.rs b/compiler/rustc_passes/src/weak_lang_items.rs index 90691ca17908..d80addf12364 100644 --- a/compiler/rustc_passes/src/weak_lang_items.rs +++ b/compiler/rustc_passes/src/weak_lang_items.rs @@ -68,7 +68,7 @@ fn verify(tcx: TyCtxt<'_>, items: &lang_items::LanguageItems) { } let mut missing = FxHashSet::default(); - for &cnum in tcx.crates(()).iter() { + for &cnum in tcx.used_crates(()).iter() { for &item in tcx.missing_lang_items(cnum).iter() { missing.insert(item); } diff --git a/compiler/rustc_smir/src/rustc_smir/context.rs b/compiler/rustc_smir/src/rustc_smir/context.rs index fd31c020f899..242a48b3ca5f 100644 --- a/compiler/rustc_smir/src/rustc_smir/context.rs +++ b/compiler/rustc_smir/src/rustc_smir/context.rs @@ -126,7 +126,7 @@ impl<'tcx> Context for TablesWrapper<'tcx> { let mut tables = self.0.borrow_mut(); let tcx = tables.tcx; iter::once(LOCAL_CRATE) - .chain(tables.tcx.crates(()).iter().copied()) + .chain(tables.tcx.used_crates(()).iter().copied()) .flat_map(|cnum| tcx.trait_impls_in_crate(cnum).iter()) .map(|impl_def_id| tables.impl_def(*impl_def_id)) .collect() @@ -201,14 +201,19 @@ impl<'tcx> Context for TablesWrapper<'tcx> { fn external_crates(&self) -> Vec { let tables = self.0.borrow(); - tables.tcx.crates(()).iter().map(|crate_num| smir_crate(tables.tcx, *crate_num)).collect() + tables + .tcx + .used_crates(()) + .iter() + .map(|crate_num| smir_crate(tables.tcx, *crate_num)) + .collect() } fn find_crates(&self, name: &str) -> Vec { let tables = self.0.borrow(); let crates: Vec = [LOCAL_CRATE] .iter() - .chain(tables.tcx.crates(()).iter()) + .chain(tables.tcx.used_crates(()).iter()) .filter_map(|crate_num| { let crate_name = tables.tcx.crate_name(*crate_num).to_string(); (name == crate_name).then(|| smir_crate(tables.tcx, *crate_num)) diff --git a/src/librustdoc/clean/types.rs b/src/librustdoc/clean/types.rs index b54ec6245247..7aab07c06a33 100644 --- a/src/librustdoc/clean/types.rs +++ b/src/librustdoc/clean/types.rs @@ -1937,7 +1937,7 @@ impl PrimitiveType { let mut primitive_locations = FxHashMap::default(); // NOTE: technically this misses crates that are only passed with `--extern` and not loaded when checking the crate. // This is a degenerate case that I don't plan to support. - for &crate_num in tcx.crates(()) { + for &crate_num in tcx.crates_including_speculative(()) { let e = ExternalCrate { crate_num }; let crate_name = e.name(tcx); debug!(?crate_num, ?crate_name); diff --git a/src/librustdoc/core.rs b/src/librustdoc/core.rs index feb03b9a823e..462b31f159b3 100644 --- a/src/librustdoc/core.rs +++ b/src/librustdoc/core.rs @@ -347,7 +347,7 @@ pub(crate) fn run_global_ctxt( show_coverage, }; - for cnum in tcx.crates(()) { + for cnum in tcx.crates_including_speculative(()) { crate::visit_lib::lib_embargo_visit_item(&mut ctxt, cnum.as_def_id()); } diff --git a/src/librustdoc/formats/cache.rs b/src/librustdoc/formats/cache.rs index a3b88a880f2a..28ddf76a3a69 100644 --- a/src/librustdoc/formats/cache.rs +++ b/src/librustdoc/formats/cache.rs @@ -155,7 +155,7 @@ impl Cache { // Cache where all our extern crates are located // FIXME: this part is specific to HTML so it'd be nice to remove it from the common code - for &crate_num in tcx.crates(()) { + for &crate_num in tcx.crates_including_speculative(()) { let e = ExternalCrate { crate_num }; let name = e.name(tcx); diff --git a/src/librustdoc/passes/collect_trait_impls.rs b/src/librustdoc/passes/collect_trait_impls.rs index c92cf9d3e80d..22daac9efb15 100644 --- a/src/librustdoc/passes/collect_trait_impls.rs +++ b/src/librustdoc/passes/collect_trait_impls.rs @@ -47,7 +47,7 @@ pub(crate) fn collect_trait_impls(mut krate: Crate, cx: &mut DocContext<'_>) -> // External trait impls. { let _prof_timer = tcx.sess.prof.generic_activity("build_extern_trait_impls"); - for &cnum in tcx.crates(()) { + for &cnum in tcx.crates_including_speculative(()) { for &impl_def_id in tcx.trait_impls_in_crate(cnum) { cx.with_param_env(impl_def_id, |cx| { inline::build_impl(cx, impl_def_id, None, &mut new_items_external); diff --git a/src/librustdoc/scrape_examples.rs b/src/librustdoc/scrape_examples.rs index 9c9b386edda7..19b0e045f049 100644 --- a/src/librustdoc/scrape_examples.rs +++ b/src/librustdoc/scrape_examples.rs @@ -283,7 +283,7 @@ pub(crate) fn run( // Collect CrateIds corresponding to provided target crates // If two different versions of the crate in the dependency tree, then examples will be collected from both. let all_crates = tcx - .crates(()) + .crates_including_speculative(()) .iter() .chain([&LOCAL_CRATE]) .map(|crate_num| (crate_num, tcx.crate_name(*crate_num))) diff --git a/src/tools/clippy/clippy_utils/src/lib.rs b/src/tools/clippy/clippy_utils/src/lib.rs index 4c603bda770a..94d4656377f9 100644 --- a/src/tools/clippy/clippy_utils/src/lib.rs +++ b/src/tools/clippy/clippy_utils/src/lib.rs @@ -647,7 +647,7 @@ fn item_children_by_name(tcx: TyCtxt<'_>, def_id: DefId, name: Symbol) -> Vec, path: &[&str]) -> Vec { fn find_crates(tcx: TyCtxt<'_>, name: Symbol) -> impl Iterator + '_ { - tcx.crates(()) + tcx.crates_including_speculative(()) .iter() .copied() .filter(move |&num| tcx.crate_name(num) == name) diff --git a/src/tools/miri/src/helpers.rs b/src/tools/miri/src/helpers.rs index 4050ae3c4bf9..bd160380cd52 100644 --- a/src/tools/miri/src/helpers.rs +++ b/src/tools/miri/src/helpers.rs @@ -126,7 +126,7 @@ fn try_resolve_did(tcx: TyCtxt<'_>, path: &[&str], namespace: Option) // the one in the sysroot and the one locally built by `cargo test`.) // FIXME: can we prefer the one from the sysroot? 'crates: for krate in - tcx.crates(()).iter().filter(|&&krate| tcx.crate_name(krate).as_str() == crate_name) + tcx.used_crates(()).iter().filter(|&&krate| tcx.crate_name(krate).as_str() == crate_name) { let mut cur_item = DefId { krate: *krate, index: CRATE_DEF_INDEX }; // Go over the modules. @@ -1365,7 +1365,7 @@ pub fn get_local_crates(tcx: TyCtxt<'_>) -> Vec { .map(|crates| crates.split(',').map(|krate| krate.to_string()).collect::>()) .unwrap_or_default(); let mut local_crates = Vec::new(); - for &crate_num in tcx.crates(()) { + for &crate_num in tcx.crates_including_speculative(()) { let name = tcx.crate_name(crate_num); let name = name.as_str(); if local_crate_names.iter().any(|local_name| local_name == name) { diff --git a/tests/ui/extern-flag/empty-extern-arg.stderr b/tests/ui/extern-flag/empty-extern-arg.stderr index 2785b12a0aef..6ad3effe0e26 100644 --- a/tests/ui/extern-flag/empty-extern-arg.stderr +++ b/tests/ui/extern-flag/empty-extern-arg.stderr @@ -1,13 +1,6 @@ error: extern location for std does not exist: -error: `#[panic_handler]` function required, but not found - -error: unwinding panics are not supported without std - | - = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding - = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem - error: requires `sized` lang_item -error: aborting due to 4 previous errors +error: aborting due to 2 previous errors From 765baba165adb0ce0bef398f5eed54ba97d638f3 Mon Sep 17 00:00:00 2001 From: Vadim Petrochenkov Date: Fri, 10 May 2024 17:29:02 +0300 Subject: [PATCH 0405/1716] rustc: Use `tcx.used_crates(())` more And explain when it should be used. --- clippy_utils/src/lib.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/clippy_utils/src/lib.rs b/clippy_utils/src/lib.rs index 4c603bda770a..94d4656377f9 100644 --- a/clippy_utils/src/lib.rs +++ b/clippy_utils/src/lib.rs @@ -647,7 +647,7 @@ fn item_children_by_name(tcx: TyCtxt<'_>, def_id: DefId, name: Symbol) -> Vec, path: &[&str]) -> Vec { fn find_crates(tcx: TyCtxt<'_>, name: Symbol) -> impl Iterator + '_ { - tcx.crates(()) + tcx.crates_including_speculative(()) .iter() .copied() .filter(move |&num| tcx.crate_name(num) == name) From 3f638a92917ecbf43e4dda6fe8dd97f2209e5532 Mon Sep 17 00:00:00 2001 From: David Carlier Date: Sat, 18 May 2024 23:14:14 +0000 Subject: [PATCH 0406/1716] solaris/illumos localtime_r / clock_getime support enabled. clock_gettime support CLOCK_REALTIME/CLOCK_MONOTONIC clockid_t. localtime_r is supported only tm struct is more limited than other supported platforms. --- src/tools/miri/ci/ci.sh | 4 +- src/tools/miri/src/shims/time.rs | 64 +++++++++++-------- .../miri/tests/pass-dep/libc/libc-time.rs | 5 +- 3 files changed, 44 insertions(+), 29 deletions(-) diff --git a/src/tools/miri/ci/ci.sh b/src/tools/miri/ci/ci.sh index 4e92169b3d05..96319c0959c9 100755 --- a/src/tools/miri/ci/ci.sh +++ b/src/tools/miri/ci/ci.sh @@ -148,8 +148,8 @@ case $HOST_TARGET in UNIX="panic/panic panic/unwind concurrency/simple atomic libc-mem libc-misc libc-random env num_cpus" # the things that are very similar across all Unixes, and hence easily supported there TEST_TARGET=x86_64-unknown-freebsd run_tests_minimal $BASIC $UNIX threadname libc-time fs TEST_TARGET=i686-unknown-freebsd run_tests_minimal $BASIC $UNIX threadname libc-time fs - TEST_TARGET=x86_64-unknown-illumos run_tests_minimal $BASIC $UNIX pthread-sync - TEST_TARGET=x86_64-pc-solaris run_tests_minimal $BASIC $UNIX pthread-sync + TEST_TARGET=x86_64-unknown-illumos run_tests_minimal $BASIC $UNIX pthread-sync libc-time + TEST_TARGET=x86_64-pc-solaris run_tests_minimal $BASIC $UNIX pthread-sync libc-time TEST_TARGET=aarch64-linux-android run_tests_minimal $BASIC $UNIX TEST_TARGET=wasm32-wasip2 run_tests_minimal empty_main wasm heap_alloc libc-mem TEST_TARGET=wasm32-unknown-unknown run_tests_minimal empty_main wasm diff --git a/src/tools/miri/src/shims/time.rs b/src/tools/miri/src/shims/time.rs index 8d1f07f916c9..941c61caa53a 100644 --- a/src/tools/miri/src/shims/time.rs +++ b/src/tools/miri/src/shims/time.rs @@ -62,6 +62,16 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { // We need to support it because std uses it. relative_clocks.push(this.eval_libc_i32("CLOCK_UPTIME_RAW")); } + "solaris" | "illumos" => { + // The REALTIME clock returns the actual time since the Unix epoch. + absolute_clocks = vec![this.eval_libc_i32("CLOCK_REALTIME")]; + // MONOTONIC, in the other hand, is the high resolution, non-adjustable + // clock from an arbitrary time in the past. + // Note that the man page mentions HIGHRES but it is just + // an alias of MONOTONIC and the libc crate does not expose it anyway. + // https://docs.oracle.com/cd/E23824_01/html/821-1465/clock-gettime-3c.html + relative_clocks = vec![this.eval_libc_i32("CLOCK_MONOTONIC")]; + } target => throw_unsup_format!("`clock_gettime` is not supported on target OS {target}"), } @@ -153,30 +163,6 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { // chrono crate yet. // This may not be consistent with libc::localtime_r's result. let tm_isdst = -1; - - // tm_zone represents the timezone value in the form of: +0730, +08, -0730 or -08. - // This may not be consistent with libc::localtime_r's result. - let offset_in_seconds = dt.offset().fix().local_minus_utc(); - let tm_gmtoff = offset_in_seconds; - let mut tm_zone = String::new(); - if offset_in_seconds < 0 { - tm_zone.push('-'); - } else { - tm_zone.push('+'); - } - let offset_hour = offset_in_seconds.abs() / 3600; - write!(tm_zone, "{:02}", offset_hour).unwrap(); - let offset_min = (offset_in_seconds.abs() % 3600) / 60; - if offset_min != 0 { - write!(tm_zone, "{:02}", offset_min).unwrap(); - } - - // FIXME: String de-duplication is needed so that we only allocate this string only once - // even when there are multiple calls to this function. - let tm_zone_ptr = - this.alloc_os_str_as_c_str(&OsString::from(tm_zone), MiriMemoryKind::Machine.into())?; - - this.write_pointer(tm_zone_ptr, &this.project_field_named(&result, "tm_zone")?)?; this.write_int_fields_named( &[ ("tm_sec", dt.second().into()), @@ -188,11 +174,39 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { ("tm_wday", dt.weekday().num_days_from_sunday().into()), ("tm_yday", dt.ordinal0().into()), ("tm_isdst", tm_isdst), - ("tm_gmtoff", tm_gmtoff.into()), ], &result, )?; + // solaris/illumos system tm struct does not have + // the additional tm_zone/tm_gmtoff fields. + // https://docs.oracle.com/cd/E36784_01/html/E36874/localtime-r-3c.html + if !matches!(&*this.tcx.sess.target.os, "solaris" | "illumos") { + // tm_zone represents the timezone value in the form of: +0730, +08, -0730 or -08. + // This may not be consistent with libc::localtime_r's result. + let offset_in_seconds = dt.offset().fix().local_minus_utc(); + let tm_gmtoff = offset_in_seconds; + let mut tm_zone = String::new(); + if offset_in_seconds < 0 { + tm_zone.push('-'); + } else { + tm_zone.push('+'); + } + let offset_hour = offset_in_seconds.abs() / 3600; + write!(tm_zone, "{:02}", offset_hour).unwrap(); + let offset_min = (offset_in_seconds.abs() % 3600) / 60; + if offset_min != 0 { + write!(tm_zone, "{:02}", offset_min).unwrap(); + } + + // FIXME: String de-duplication is needed so that we only allocate this string only once + // even when there are multiple calls to this function. + let tm_zone_ptr = this + .alloc_os_str_as_c_str(&OsString::from(tm_zone), MiriMemoryKind::Machine.into())?; + + this.write_pointer(tm_zone_ptr, &this.project_field_named(&result, "tm_zone")?)?; + this.write_int_fields_named(&[("tm_gmtoff", tm_gmtoff.into())], &result)?; + } Ok(result.ptr()) } #[allow(non_snake_case, clippy::arithmetic_side_effects)] diff --git a/src/tools/miri/tests/pass-dep/libc/libc-time.rs b/src/tools/miri/tests/pass-dep/libc/libc-time.rs index ea1e49a07257..5e4bb73e3688 100644 --- a/src/tools/miri/tests/pass-dep/libc/libc-time.rs +++ b/src/tools/miri/tests/pass-dep/libc/libc-time.rs @@ -1,6 +1,5 @@ //@ignore-target-windows: no libc time APIs on Windows //@compile-flags: -Zmiri-disable-isolation -use std::ffi::CStr; use std::{env, mem, ptr}; fn main() { @@ -64,7 +63,9 @@ fn test_localtime_r() { tm_wday: 0, tm_yday: 0, tm_isdst: 0, + #[cfg(any(target_os = "linux", target_os = "macos", target_os = "freebsd"))] tm_gmtoff: 0, + #[cfg(any(target_os = "linux", target_os = "macos", target_os = "freebsd"))] tm_zone: std::ptr::null_mut::(), }; let res = unsafe { libc::localtime_r(custom_time_ptr, &mut tm) }; @@ -82,7 +83,7 @@ fn test_localtime_r() { assert_eq!(tm.tm_gmtoff, 0); #[cfg(any(target_os = "linux", target_os = "macos", target_os = "freebsd"))] unsafe { - assert_eq!(CStr::from_ptr(tm.tm_zone).to_str().unwrap(), "+00") + assert_eq!(std::ffi::CStr::from_ptr(tm.tm_zone).to_str().unwrap(), "+00") }; // The returned value is the pointer passed in. From 6641f9f6e138a3166b06fc27d62e7c349e1f927d Mon Sep 17 00:00:00 2001 From: Ruihan Li Date: Sat, 27 Apr 2024 23:47:11 +0800 Subject: [PATCH 0407/1716] Track lifetime on values with significant drop --- .../matches/significant_drop_in_scrutinee.rs | 420 ++++++++++-------- tests/ui/significant_drop_in_scrutinee.rs | 98 +++- tests/ui/significant_drop_in_scrutinee.stderr | 220 ++++----- 3 files changed, 434 insertions(+), 304 deletions(-) diff --git a/clippy_lints/src/matches/significant_drop_in_scrutinee.rs b/clippy_lints/src/matches/significant_drop_in_scrutinee.rs index 6ac0705abb21..2f72e59834fa 100644 --- a/clippy_lints/src/matches/significant_drop_in_scrutinee.rs +++ b/clippy_lints/src/matches/significant_drop_in_scrutinee.rs @@ -1,12 +1,17 @@ +use std::ops::ControlFlow; + use crate::FxHashSet; use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::source::{indent_of, snippet}; +use clippy_utils::ty::{for_each_top_level_late_bound_region, is_copy}; use clippy_utils::{get_attr, is_lint_allowed}; +use itertools::Itertools; +use rustc_ast::Mutability; use rustc_errors::{Applicability, Diag}; use rustc_hir::intravisit::{walk_expr, Visitor}; use rustc_hir::{Arm, Expr, ExprKind, MatchSource}; use rustc_lint::{LateContext, LintContext}; -use rustc_middle::ty::{GenericArgKind, Ty}; +use rustc_middle::ty::{GenericArgKind, Region, RegionKind, Ty, TyCtxt, TypeVisitable, TypeVisitor}; use rustc_span::Span; use super::SIGNIFICANT_DROP_IN_SCRUTINEE; @@ -22,43 +27,34 @@ pub(super) fn check<'tcx>( return; } - if let Some((suggestions, message)) = has_significant_drop_in_scrutinee(cx, scrutinee, source) { - for found in suggestions { - span_lint_and_then(cx, SIGNIFICANT_DROP_IN_SCRUTINEE, found.found_span, message, |diag| { - set_diagnostic(diag, cx, expr, found); - let s = Span::new(expr.span.hi(), expr.span.hi(), expr.span.ctxt(), None); - diag.span_label(s, "temporary lives until here"); - for span in has_significant_drop_in_arms(cx, arms) { - diag.span_label(span, "another value with significant `Drop` created here"); - } - diag.note("this might lead to deadlocks or other unexpected behavior"); - }); - } + let (suggestions, message) = has_significant_drop_in_scrutinee(cx, scrutinee, source); + for found in suggestions { + span_lint_and_then(cx, SIGNIFICANT_DROP_IN_SCRUTINEE, found.found_span, message, |diag| { + set_diagnostic(diag, cx, expr, found); + let s = Span::new(expr.span.hi(), expr.span.hi(), expr.span.ctxt(), None); + diag.span_label(s, "temporary lives until here"); + for span in has_significant_drop_in_arms(cx, arms) { + diag.span_label(span, "another value with significant `Drop` created here"); + } + diag.note("this might lead to deadlocks or other unexpected behavior"); + }); } } fn set_diagnostic<'tcx>(diag: &mut Diag<'_, ()>, cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>, found: FoundSigDrop) { - if found.lint_suggestion == LintSuggestion::MoveAndClone { - // If our suggestion is to move and clone, then we want to leave it to the user to - // decide how to address this lint, since it may be that cloning is inappropriate. - // Therefore, we won't to emit a suggestion. - return; - } - let original = snippet(cx, found.found_span, ".."); let trailing_indent = " ".repeat(indent_of(cx, found.found_span).unwrap_or(0)); - let replacement = if found.lint_suggestion == LintSuggestion::MoveAndDerefToCopy { - format!("let value = *{original};\n{trailing_indent}") - } else if found.is_unit_return_val { - // If the return value of the expression to be moved is unit, then we don't need to - // capture the result in a temporary -- we can just replace it completely with `()`. - format!("{original};\n{trailing_indent}") - } else { - format!("let value = {original};\n{trailing_indent}") + let replacement = { + let (def_part, deref_part) = if found.is_unit_return_val { + ("", String::new()) + } else { + ("let value = ", "*".repeat(found.peel_ref_times)) + }; + format!("{def_part}{deref_part}{original};\n{trailing_indent}") }; - let suggestion_message = if found.lint_suggestion == LintSuggestion::MoveOnly { + let suggestion_message = if found.peel_ref_times == 0 { "try moving the temporary above the match" } else { "try moving the temporary above the match and create a copy" @@ -66,8 +62,11 @@ fn set_diagnostic<'tcx>(diag: &mut Diag<'_, ()>, cx: &LateContext<'tcx>, expr: & let scrutinee_replacement = if found.is_unit_return_val { "()".to_owned() - } else { + } else if found.peel_ref_times == 0 { "value".to_owned() + } else { + let ref_part = "&".repeat(found.peel_ref_times); + format!("({ref_part}value)") }; diag.multipart_suggestion( @@ -86,20 +85,18 @@ fn has_significant_drop_in_scrutinee<'tcx>( cx: &LateContext<'tcx>, scrutinee: &'tcx Expr<'tcx>, source: MatchSource, -) -> Option<(Vec, &'static str)> { +) -> (Vec, &'static str) { let mut helper = SigDropHelper::new(cx); let scrutinee = match (source, &scrutinee.kind) { (MatchSource::ForLoopDesugar, ExprKind::Call(_, [e])) => e, _ => scrutinee, }; - helper.find_sig_drop(scrutinee).map(|drops| { - let message = if source == MatchSource::Normal { - "temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression" - } else { - "temporary with significant `Drop` in `for` loop condition will live until the end of the `for` expression" - }; - (drops, message) - }) + let message = if source == MatchSource::Normal { + "temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression" + } else { + "temporary with significant `Drop` in `for` loop condition will live until the end of the `for` expression" + }; + (helper.find_sig_drop(scrutinee), message) } struct SigDropChecker<'a, 'tcx> { @@ -172,205 +169,248 @@ impl<'a, 'tcx> SigDropChecker<'a, 'tcx> { } } +#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Debug)] +enum SigDropHolder { + /// No values with significant drop present in this expression. + /// + /// Expressions that we've emited lints do not count. + None, + /// Some field in this expression references to values with significant drop. + /// + /// Example: `(1, &data.lock().field)`. + PackedRef, + /// The value of this expression references to values with significant drop. + /// + /// Example: `data.lock().field`. + DirectRef, + /// This expression should be moved out to avoid significant drop in scrutinee. + Moved, +} + +impl Default for SigDropHolder { + fn default() -> Self { + Self::None + } +} + struct SigDropHelper<'a, 'tcx> { cx: &'a LateContext<'tcx>, - is_chain_end: bool, - has_significant_drop: bool, - current_sig_drop: Option, - sig_drop_spans: Option>, - special_handling_for_binary_op: bool, + parent_expr: Option<&'tcx Expr<'tcx>>, + sig_drop_holder: SigDropHolder, + sig_drop_spans: Vec, sig_drop_checker: SigDropChecker<'a, 'tcx>, } -#[expect(clippy::enum_variant_names)] -#[derive(Debug, PartialEq, Eq, Clone, Copy)] -enum LintSuggestion { - MoveOnly, - MoveAndDerefToCopy, - MoveAndClone, -} - -#[derive(Clone, Copy)] +#[derive(Clone, Copy, Debug)] struct FoundSigDrop { found_span: Span, is_unit_return_val: bool, - lint_suggestion: LintSuggestion, + peel_ref_times: usize, } impl<'a, 'tcx> SigDropHelper<'a, 'tcx> { fn new(cx: &'a LateContext<'tcx>) -> SigDropHelper<'a, 'tcx> { SigDropHelper { cx, - is_chain_end: true, - has_significant_drop: false, - current_sig_drop: None, - sig_drop_spans: None, - special_handling_for_binary_op: false, + parent_expr: None, + sig_drop_holder: SigDropHolder::None, + sig_drop_spans: Vec::new(), sig_drop_checker: SigDropChecker::new(cx), } } - fn find_sig_drop(&mut self, match_expr: &'tcx Expr<'_>) -> Option> { + fn find_sig_drop(&mut self, match_expr: &'tcx Expr<'_>) -> Vec { self.visit_expr(match_expr); - // If sig drop spans is empty but we found a significant drop, it means that we didn't find - // a type that was trivially copyable as we moved up the chain after finding a significant - // drop, so move the entire scrutinee. - if self.has_significant_drop && self.sig_drop_spans.is_none() { - self.try_setting_current_suggestion(match_expr, true); - self.move_current_suggestion(); - } - - self.sig_drop_spans.take() + core::mem::take(&mut self.sig_drop_spans) } - fn replace_current_sig_drop( - &mut self, - found_span: Span, - is_unit_return_val: bool, - lint_suggestion: LintSuggestion, - ) { - self.current_sig_drop.replace(FoundSigDrop { + fn replace_current_sig_drop(&mut self, found_span: Span, is_unit_return_val: bool, peel_ref_times: usize) { + self.sig_drop_spans.clear(); + self.sig_drop_spans.push(FoundSigDrop { found_span, is_unit_return_val, - lint_suggestion, + peel_ref_times, }); } - /// This will try to set the current suggestion (so it can be moved into the suggestions vec - /// later). If `allow_move_and_clone` is false, the suggestion *won't* be set -- this gives us - /// an opportunity to look for another type in the chain that will be trivially copyable. - /// However, if we are at the end of the chain, we want to accept whatever is there. (The - /// suggestion won't actually be output, but the diagnostic message will be output, so the user - /// can determine the best way to handle the lint.) - fn try_setting_current_suggestion(&mut self, expr: &'tcx Expr<'_>, allow_move_and_clone: bool) { - if self.current_sig_drop.is_some() { - return; + fn try_move_sig_drop(&mut self, expr: &'tcx Expr<'_>, parent_expr: &'tcx Expr<'_>) { + if self.sig_drop_holder == SigDropHolder::Moved { + self.sig_drop_holder = SigDropHolder::None; } - let ty = self.cx.typeck_results().expr_ty(expr); - if ty.is_ref() { - // We checked that the type was ref, so builtin_deref will return Some, - // but let's avoid any chance of an ICE. - if let Some(ty) = ty.builtin_deref(true) { - if ty.is_trivially_pure_clone_copy() { - self.replace_current_sig_drop(expr.span, false, LintSuggestion::MoveAndDerefToCopy); - } else if allow_move_and_clone { - self.replace_current_sig_drop(expr.span, false, LintSuggestion::MoveAndClone); - } + + if self.sig_drop_holder == SigDropHolder::DirectRef { + self.sig_drop_holder = SigDropHolder::PackedRef; + self.try_move_sig_drop_direct_ref(expr, parent_expr); + } else if self.sig_drop_checker.is_sig_drop_expr(expr) { + // The values with significant drop can be moved to some other functions. For example, consider + // `drop(data.lock())`. We use `SigDropHolder::None` here to avoid emitting lints in such scenarios. + self.sig_drop_holder = SigDropHolder::None; + self.try_move_sig_drop_direct_ref(expr, parent_expr); + } + + if self.sig_drop_holder != SigDropHolder::None { + let parent_ty = self.cx.typeck_results().expr_ty(parent_expr); + if !ty_has_erased_regions(parent_ty) && !parent_expr.is_syntactic_place_expr() { + self.replace_current_sig_drop(parent_expr.span, parent_ty.is_unit(), 0); + self.sig_drop_holder = SigDropHolder::Moved; + } + + let (peel_ref_ty, peel_ref_times) = ty_peel_refs(parent_ty); + if !ty_has_erased_regions(peel_ref_ty) && is_copy(self.cx, peel_ref_ty) { + self.replace_current_sig_drop(parent_expr.span, peel_ref_ty.is_unit(), peel_ref_times); + self.sig_drop_holder = SigDropHolder::Moved; } - } else if ty.is_trivially_pure_clone_copy() { - self.replace_current_sig_drop(expr.span, false, LintSuggestion::MoveOnly); - } else if allow_move_and_clone { - self.replace_current_sig_drop(expr.span, false, LintSuggestion::MoveAndClone); } } - fn move_current_suggestion(&mut self) { - if let Some(current) = self.current_sig_drop.take() { - self.sig_drop_spans.get_or_insert_with(Vec::new).push(current); + fn try_move_sig_drop_direct_ref(&mut self, expr: &'tcx Expr<'_>, parent_expr: &'tcx Expr<'_>) { + let arg_idx = match parent_expr.kind { + ExprKind::MethodCall(_, receiver, exprs, _) => std::iter::once(receiver) + .chain(exprs.iter()) + .find_position(|ex| ex.hir_id == expr.hir_id) + .map(|(idx, _)| idx), + ExprKind::Call(_, exprs) => exprs + .iter() + .find_position(|ex| ex.hir_id == expr.hir_id) + .map(|(idx, _)| idx), + ExprKind::Binary(_, lhs, rhs) | ExprKind::AssignOp(_, lhs, rhs) => [lhs, rhs] + .iter() + .find_position(|ex| ex.hir_id == expr.hir_id) + .map(|(idx, _)| idx), + ExprKind::Unary(_, ex) => (ex.hir_id == expr.hir_id).then_some(0), + _ => { + // Here we assume that all other expressions create or propagate the reference to the value with + // significant drop. + self.sig_drop_holder = SigDropHolder::DirectRef; + return; + }, + }; + let Some(arg_idx) = arg_idx else { + return; + }; + + let fn_sig = if let Some(def_id) = self.cx.typeck_results().type_dependent_def_id(parent_expr.hir_id) { + self.cx.tcx.fn_sig(def_id).instantiate_identity() + } else { + return; + }; + + let input_re = if let Some(input_ty) = fn_sig.skip_binder().inputs().get(arg_idx) + && let rustc_middle::ty::Ref(input_re, _, _) = input_ty.kind() + { + input_re + } else { + return; + }; + + // Late bound lifetime parameters are not related to any constraints, so we can track them in a very + // simple manner. For other lifetime parameters, we give up and update the state to `PackedRef`. + let RegionKind::ReBound(_, input_re_bound) = input_re.kind() else { + self.sig_drop_holder = SigDropHolder::PackedRef; + return; + }; + let contains_input_re = |re_bound| { + if re_bound == input_re_bound { + ControlFlow::Break(()) + } else { + ControlFlow::Continue(()) + } + }; + + let output_ty = fn_sig.skip_binder().output(); + if let rustc_middle::ty::Ref(output_re, peel_ref_ty, _) = output_ty.kind() + && input_re == output_re + && for_each_top_level_late_bound_region(*peel_ref_ty, contains_input_re).is_continue() + { + // We're lucky! The output type is still a direct reference to the value with significant drop. + self.sig_drop_holder = SigDropHolder::DirectRef; + } else if for_each_top_level_late_bound_region(output_ty, contains_input_re).is_continue() { + // The lifetime to the value with significant drop goes away. So we can emit a lint that suggests to + // move the expression out. + self.replace_current_sig_drop(parent_expr.span, output_ty.is_unit(), 0); + self.sig_drop_holder = SigDropHolder::Moved; + } else { + // TODO: The lifetime is still there but it's for a inner type. For instance, consider + // `Some(&mutex.lock().field)`, which has a type of `Option<&u32>`. How to address this scenario? + self.sig_drop_holder = SigDropHolder::PackedRef; + } + } +} + +fn ty_peel_refs(mut ty: Ty<'_>) -> (Ty<'_>, usize) { + let mut n = 0; + while let rustc_middle::ty::Ref(_, new_ty, Mutability::Not) = ty.kind() { + ty = *new_ty; + n += 1; + } + (ty, n) +} + +fn ty_has_erased_regions(ty: Ty<'_>) -> bool { + struct V; + + impl<'tcx> TypeVisitor> for V { + type Result = ControlFlow<()>; + + fn visit_region(&mut self, region: Region<'tcx>) -> Self::Result { + if region.is_erased() { + ControlFlow::Break(()) + } else { + ControlFlow::Continue(()) + } } } - fn visit_exprs_for_binary_ops( - &mut self, - left: &'tcx Expr<'_>, - right: &'tcx Expr<'_>, - is_unit_return_val: bool, - span: Span, - ) { - self.special_handling_for_binary_op = true; - self.visit_expr(left); - self.visit_expr(right); - - // If either side had a significant drop, suggest moving the entire scrutinee to avoid - // unnecessary copies and to simplify cases where both sides have significant drops. - if self.has_significant_drop { - self.replace_current_sig_drop(span, is_unit_return_val, LintSuggestion::MoveOnly); - } - - self.special_handling_for_binary_op = false; - } + ty.visit_with(&mut V).is_break() } impl<'a, 'tcx> Visitor<'tcx> for SigDropHelper<'a, 'tcx> { fn visit_expr(&mut self, ex: &'tcx Expr<'_>) { - if !self.is_chain_end && self.sig_drop_checker.is_sig_drop_expr(ex) { - self.has_significant_drop = true; + // We've emited a lint on some neighborhood expression. That lint will suggest to move out the + // _parent_ expression (not the expression itself). Since we decide to move out the parent + // expression, it is pointless to continue to process the current expression. + if self.sig_drop_holder == SigDropHolder::Moved { return; } - self.is_chain_end = false; + + // These states are of neighborhood expressions. We save and clear them here, and we'll later merge + // the states of the current expression with them at the end of the method. + let sig_drop_holder_before = core::mem::take(&mut self.sig_drop_holder); + let sig_drop_spans_before = core::mem::take(&mut self.sig_drop_spans); + let parent_expr_before = self.parent_expr.replace(ex); match ex.kind { - ExprKind::MethodCall(_, expr, ..) => { - self.visit_expr(expr); - } - ExprKind::Binary(_, left, right) => { - self.visit_exprs_for_binary_ops(left, right, false, ex.span); - } - ExprKind::Assign(left, right, _) | ExprKind::AssignOp(_, left, right) => { - self.visit_exprs_for_binary_ops(left, right, true, ex.span); - } - ExprKind::Tup(exprs) => { - for expr in exprs { - self.visit_expr(expr); - if self.has_significant_drop { - // We may have not have set current_sig_drop if all the suggestions were - // MoveAndClone, so add this tuple item's full expression in that case. - if self.current_sig_drop.is_none() { - self.try_setting_current_suggestion(expr, true); - } + // Skip blocks because values in blocks will be dropped as usual. + ExprKind::Block(..) => (), + _ => walk_expr(self, ex), + } - // Now we are guaranteed to have something, so add it to the final vec. - self.move_current_suggestion(); - } - // Reset `has_significant_drop` after each tuple expression so we can look for - // additional cases. - self.has_significant_drop = false; - } - if self.sig_drop_spans.is_some() { - self.has_significant_drop = true; - } - } - ExprKind::Array(..) | - ExprKind::Call(..) | - ExprKind::Unary(..) | - ExprKind::If(..) | - ExprKind::Match(..) | - ExprKind::Field(..) | - ExprKind::Index(..) | - ExprKind::Ret(..) | - ExprKind::Become(..) | - ExprKind::Repeat(..) | - ExprKind::Yield(..) => walk_expr(self, ex), - ExprKind::AddrOf(_, _, _) | - ExprKind::Block(_, _) | - ExprKind::Break(_, _) | - ExprKind::Cast(_, _) | - // Don't want to check the closure itself, only invocation, which is covered by MethodCall - ExprKind::Closure { .. } | - ExprKind::ConstBlock(_) | - ExprKind::Continue(_) | - ExprKind::DropTemps(_) | - ExprKind::Err(_) | - ExprKind::InlineAsm(_) | - ExprKind::OffsetOf(_, _) | - ExprKind::Let(_) | - ExprKind::Lit(_) | - ExprKind::Loop(_, _, _, _) | - ExprKind::Path(_) | - ExprKind::Struct(_, _, _) | - ExprKind::Type(_, _) => { - return; + if let Some(parent_ex) = parent_expr_before { + match parent_ex.kind { + ExprKind::Assign(lhs, _, _) | ExprKind::AssignOp(_, lhs, _) + if lhs.hir_id == ex.hir_id && self.sig_drop_holder == SigDropHolder::Moved => + { + // Never move out only the assignee. Instead, we should always move out the whole assigment. + self.replace_current_sig_drop(parent_ex.span, true, 0); + }, + _ => { + self.try_move_sig_drop(ex, parent_ex); + }, } } - // Once a significant temporary has been found, we need to go back up at least 1 level to - // find the span to extract for replacement, so the temporary gets dropped. However, for - // binary ops, we want to move the whole scrutinee so we avoid unnecessary copies and to - // simplify cases where both sides have significant drops. - if self.has_significant_drop && !self.special_handling_for_binary_op { - self.try_setting_current_suggestion(ex, false); + self.sig_drop_holder = std::cmp::max(self.sig_drop_holder, sig_drop_holder_before); + + // We do not need those old spans in neighborhood expressions if we emit a lint that suggests to + // move out the _parent_ expression (i.e., `self.sig_drop_holder == SigDropHolder::Moved`). + if self.sig_drop_holder != SigDropHolder::Moved { + let mut sig_drop_spans = sig_drop_spans_before; + sig_drop_spans.append(&mut self.sig_drop_spans); + self.sig_drop_spans = sig_drop_spans; } + + self.parent_expr = parent_expr_before; } } diff --git a/tests/ui/significant_drop_in_scrutinee.rs b/tests/ui/significant_drop_in_scrutinee.rs index 7fc89bb95380..8ee15440ccf0 100644 --- a/tests/ui/significant_drop_in_scrutinee.rs +++ b/tests/ui/significant_drop_in_scrutinee.rs @@ -274,11 +274,20 @@ fn should_trigger_lint_for_tuple_in_scrutinee() { }, (_, _, _) => {}, }; + } +} +// Should not trigger lint since `String::as_str` returns a reference (i.e., `&str`) +// to the locked data (i.e., the `String`) and it is not surprising that matching such +// a reference needs to keep the data locked until the end of the match block. +fn should_not_trigger_lint_for_string_as_str() { + let mutex1 = Mutex::new(StateWithField { s: "one".to_owned() }); + + { + let mutex2 = Mutex::new(StateWithField { s: "two".to_owned() }); let mutex3 = Mutex::new(StateWithField { s: "three".to_owned() }); + match mutex3.lock().unwrap().s.as_str() { - //~^ ERROR: temporary with significant `Drop` in `match` scrutinee will live until - //~| NOTE: this might lead to deadlocks or other unexpected behavior "three" => { println!("started"); mutex1.lock().unwrap().s.len(); @@ -289,8 +298,6 @@ fn should_trigger_lint_for_tuple_in_scrutinee() { }; match (true, mutex3.lock().unwrap().s.as_str()) { - //~^ ERROR: temporary with significant `Drop` in `match` scrutinee will live until - //~| NOTE: this might lead to deadlocks or other unexpected behavior (_, "three") => { println!("started"); mutex1.lock().unwrap().s.len(); @@ -514,16 +521,15 @@ impl StateStringWithBoxedMutexGuard { } } -fn should_trigger_lint_for_boxed_mutex_guard_holding_string() { +fn should_not_trigger_lint_for_string_ref() { let s = StateStringWithBoxedMutexGuard::new(); let matcher = String::from("A String"); - // Should trigger lint because a temporary Box holding a type with a significant drop in a match - // scrutinee may have a potentially surprising lifetime. + // Should not trigger lint because the second `deref` returns a string reference (`&String`). + // So it is not surprising that matching the reference implies that the lock needs to be held + // until the end of the block. match s.lock().deref().deref() { - //~^ ERROR: temporary with significant `Drop` in `match` scrutinee will live until the - //~| NOTE: this might lead to deadlocks or other unexpected behavior matcher => println!("Value is {}", s.lock().deref()), _ => println!("Value was not a match"), }; @@ -639,13 +645,12 @@ fn should_trigger_lint_for_non_ref_move_and_clone_suggestion() { }; } -fn should_trigger_lint_for_read_write_lock_for_loop() { - // For-in loops desugar to match expressions and are prone to the type of deadlock this lint is - // designed to look for. +fn should_not_trigger_lint_for_read_write_lock_for_loop() { let rwlock = RwLock::>::new(vec!["1".to_string()]); + // Should not trigger lint. Since we're iterating over the data, it's obvious that the lock + // has to be held until the iteration finishes. + // https://github.com/rust-lang/rust-clippy/issues/8987 for s in rwlock.read().unwrap().iter() { - //~^ ERROR: temporary with significant `Drop` in `for` loop condition will live until - //~| NOTE: this might lead to deadlocks or other unexpected behavior println!("{}", s); } } @@ -731,4 +736,69 @@ fn should_not_trigger_for_significant_drop_ref() { }; } +struct Foo<'a>(&'a Vec); + +impl<'a> Foo<'a> { + fn copy_old_lifetime(&self) -> &'a Vec { + self.0 + } + + fn reborrow_new_lifetime(&self) -> &Vec { + self.0 + } +} + +fn should_trigger_lint_if_and_only_if_lifetime_is_irrelevant() { + let vec = Vec::new(); + let mutex = Mutex::new(Foo(&vec)); + + // Should trigger lint even if `copy_old_lifetime()` has a lifetime, as the lifetime of + // `&vec` is unrelated to the temporary with significant drop (i.e., the `MutexGuard`). + for val in mutex.lock().unwrap().copy_old_lifetime() { + //~^ ERROR: temporary with significant `Drop` in `for` loop condition will live until the + //~| NOTE: this might lead to deadlocks or other unexpected behavior + println!("{}", val); + } + + // Should not trigger lint because `reborrow_new_lifetime()` has a lifetime and the + // lifetime is related to the temporary with significant drop (i.e., the `MutexGuard`). + for val in mutex.lock().unwrap().reborrow_new_lifetime() { + println!("{}", val); + } +} + +fn should_not_trigger_lint_for_complex_lifetime() { + let mutex = Mutex::new(vec!["hello".to_owned()]); + let string = "world".to_owned(); + + // Should not trigger lint due to the relevant lifetime. + for c in mutex.lock().unwrap().first().unwrap().chars() { + println!("{}", c); + } + + // Should trigger lint due to the irrelevant lifetime. + // + // FIXME: The lifetime is too complex to analyze. In order to avoid false positives, we do not + // trigger lint. + for c in mutex.lock().unwrap().first().map(|_| &string).unwrap().chars() { + println!("{}", c); + } +} + +fn should_not_trigger_lint_with_explicit_drop() { + let mutex = Mutex::new(vec![1]); + + // Should not trigger lint since the drop explicitly happens. + for val in [drop(mutex.lock().unwrap()), ()] { + println!("{:?}", val); + } + + // Should trigger lint if there is no explicit drop. + for val in [mutex.lock().unwrap()[0], 2] { + //~^ ERROR: temporary with significant `Drop` in `for` loop condition will live until the + //~| NOTE: this might lead to deadlocks or other unexpected behavior + println!("{:?}", val); + } +} + fn main() {} diff --git a/tests/ui/significant_drop_in_scrutinee.stderr b/tests/ui/significant_drop_in_scrutinee.stderr index 811bb0655279..4a483e79d8ad 100644 --- a/tests/ui/significant_drop_in_scrutinee.stderr +++ b/tests/ui/significant_drop_in_scrutinee.stderr @@ -160,42 +160,10 @@ LL ~ match (mutex1.lock().unwrap().s.len(), true, value) { | error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:279:15 - | -LL | match mutex3.lock().unwrap().s.as_str() { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -... -LL | mutex1.lock().unwrap().s.len(); - | ---------------------- another value with significant `Drop` created here -LL | mutex2.lock().unwrap().s.len(); - | ---------------------- another value with significant `Drop` created here -... -LL | }; - | - temporary lives until here - | - = note: this might lead to deadlocks or other unexpected behavior - -error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:291:22 - | -LL | match (true, mutex3.lock().unwrap().s.as_str()) { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -... -LL | mutex1.lock().unwrap().s.len(); - | ---------------------- another value with significant `Drop` created here -LL | mutex2.lock().unwrap().s.len(); - | ---------------------- another value with significant `Drop` created here -... -LL | }; - | - temporary lives until here - | - = note: this might lead to deadlocks or other unexpected behavior - -error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:312:11 + --> tests/ui/significant_drop_in_scrutinee.rs:319:11 | LL | match mutex.lock().unwrap().s.len() > 1 { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ... LL | mutex.lock().unwrap().s.len(); | --------------------- another value with significant `Drop` created here @@ -206,15 +174,15 @@ LL | }; = note: this might lead to deadlocks or other unexpected behavior help: try moving the temporary above the match | -LL ~ let value = mutex.lock().unwrap().s.len() > 1; -LL ~ match value { +LL ~ let value = mutex.lock().unwrap().s.len(); +LL ~ match value > 1 { | error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:321:11 + --> tests/ui/significant_drop_in_scrutinee.rs:328:15 | LL | match 1 < mutex.lock().unwrap().s.len() { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ... LL | mutex.lock().unwrap().s.len(); | --------------------- another value with significant `Drop` created here @@ -225,15 +193,15 @@ LL | }; = note: this might lead to deadlocks or other unexpected behavior help: try moving the temporary above the match | -LL ~ let value = 1 < mutex.lock().unwrap().s.len(); -LL ~ match value { +LL ~ let value = mutex.lock().unwrap().s.len(); +LL ~ match 1 < value { | error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:341:11 + --> tests/ui/significant_drop_in_scrutinee.rs:348:11 | LL | match mutex1.lock().unwrap().s.len() < mutex2.lock().unwrap().s.len() { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ... LL | mutex1.lock().unwrap().s.len(), | ---------------------- another value with significant `Drop` created here @@ -246,15 +214,36 @@ LL | }; = note: this might lead to deadlocks or other unexpected behavior help: try moving the temporary above the match | -LL ~ let value = mutex1.lock().unwrap().s.len() < mutex2.lock().unwrap().s.len(); -LL ~ match value { +LL ~ let value = mutex1.lock().unwrap().s.len(); +LL ~ match value < mutex2.lock().unwrap().s.len() { | error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:354:11 + --> tests/ui/significant_drop_in_scrutinee.rs:348:44 + | +LL | match mutex1.lock().unwrap().s.len() < mutex2.lock().unwrap().s.len() { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +... +LL | mutex1.lock().unwrap().s.len(), + | ---------------------- another value with significant `Drop` created here +LL | mutex2.lock().unwrap().s.len() + | ---------------------- another value with significant `Drop` created here +... +LL | }; + | - temporary lives until here + | + = note: this might lead to deadlocks or other unexpected behavior +help: try moving the temporary above the match + | +LL ~ let value = mutex2.lock().unwrap().s.len(); +LL ~ match mutex1.lock().unwrap().s.len() < value { + | + +error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression + --> tests/ui/significant_drop_in_scrutinee.rs:361:11 | LL | match mutex1.lock().unwrap().s.len() >= mutex2.lock().unwrap().s.len() { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ... LL | mutex1.lock().unwrap().s.len(), | ---------------------- another value with significant `Drop` created here @@ -267,15 +256,36 @@ LL | }; = note: this might lead to deadlocks or other unexpected behavior help: try moving the temporary above the match | -LL ~ let value = mutex1.lock().unwrap().s.len() >= mutex2.lock().unwrap().s.len(); -LL ~ match value { +LL ~ let value = mutex1.lock().unwrap().s.len(); +LL ~ match value >= mutex2.lock().unwrap().s.len() { | error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:391:11 + --> tests/ui/significant_drop_in_scrutinee.rs:361:45 + | +LL | match mutex1.lock().unwrap().s.len() >= mutex2.lock().unwrap().s.len() { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +... +LL | mutex1.lock().unwrap().s.len(), + | ---------------------- another value with significant `Drop` created here +LL | mutex2.lock().unwrap().s.len() + | ---------------------- another value with significant `Drop` created here +... +LL | }; + | - temporary lives until here + | + = note: this might lead to deadlocks or other unexpected behavior +help: try moving the temporary above the match + | +LL ~ let value = mutex2.lock().unwrap().s.len(); +LL ~ match mutex1.lock().unwrap().s.len() >= value { + | + +error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression + --> tests/ui/significant_drop_in_scrutinee.rs:398:11 | LL | match get_mutex_guard().s.len() > 1 { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^^ ... LL | mutex1.lock().unwrap().s.len(); | ---------------------- another value with significant `Drop` created here @@ -286,12 +296,12 @@ LL | }; = note: this might lead to deadlocks or other unexpected behavior help: try moving the temporary above the match | -LL ~ let value = get_mutex_guard().s.len() > 1; -LL ~ match value { +LL ~ let value = get_mutex_guard().s.len(); +LL ~ match value > 1 { | error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:410:11 + --> tests/ui/significant_drop_in_scrutinee.rs:417:11 | LL | match match i { | ___________^ @@ -299,9 +309,9 @@ LL | | LL | | LL | | 100 => mutex1.lock().unwrap(), ... | +LL | | .s LL | | .len() -LL | | > 1 - | |___________^ + | |__________^ ... LL | mutex1.lock().unwrap().s.len(); | ---------------------- another value with significant `Drop` created here @@ -319,13 +329,12 @@ LL + 100 => mutex1.lock().unwrap(), LL + _ => mutex2.lock().unwrap(), LL + } LL + .s -LL + .len() -LL + > 1; +LL + .len(); LL ~ match value | error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:438:11 + --> tests/ui/significant_drop_in_scrutinee.rs:445:11 | LL | match if i > 1 { | ___________^ @@ -333,9 +342,9 @@ LL | | LL | | LL | | mutex1.lock().unwrap() ... | +LL | | .s LL | | .len() -LL | | > 1 - | |___________^ + | |__________^ ... LL | mutex1.lock().unwrap().s.len(); | ---------------------- another value with significant `Drop` created here @@ -354,13 +363,12 @@ LL + } else { LL + mutex2.lock().unwrap() LL + } LL + .s -LL + .len() -LL + > 1; +LL + .len(); LL ~ match value | error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:494:11 + --> tests/ui/significant_drop_in_scrutinee.rs:501:11 | LL | match s.lock().deref().deref() { | ^^^^^^^^^^^^^^^^^^^^^^^^ @@ -374,25 +382,11 @@ LL | }; help: try moving the temporary above the match and create a copy | LL ~ let value = *s.lock().deref().deref(); -LL ~ match value { +LL ~ match (&value) { | error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:524:11 - | -LL | match s.lock().deref().deref() { - | ^^^^^^^^^^^^^^^^^^^^^^^^ -... -LL | matcher => println!("Value is {}", s.lock().deref()), - | -------- another value with significant `Drop` created here -LL | _ => println!("Value was not a match"), -LL | }; - | - temporary lives until here - | - = note: this might lead to deadlocks or other unexpected behavior - -error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:545:11 + --> tests/ui/significant_drop_in_scrutinee.rs:551:11 | LL | match mutex.lock().unwrap().i = i { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -411,10 +405,10 @@ LL ~ match () { | error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:553:11 + --> tests/ui/significant_drop_in_scrutinee.rs:559:15 | LL | match i = mutex.lock().unwrap().i { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^ ... LL | println!("{}", mutex.lock().unwrap().i); | --------------------- another value with significant `Drop` created here @@ -425,12 +419,12 @@ LL | }; = note: this might lead to deadlocks or other unexpected behavior help: try moving the temporary above the match | -LL ~ i = mutex.lock().unwrap().i; -LL ~ match () { +LL ~ let value = mutex.lock().unwrap().i; +LL ~ match i = value { | error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:561:11 + --> tests/ui/significant_drop_in_scrutinee.rs:567:11 | LL | match mutex.lock().unwrap().i += 1 { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -449,10 +443,10 @@ LL ~ match () { | error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:569:11 + --> tests/ui/significant_drop_in_scrutinee.rs:575:16 | LL | match i += mutex.lock().unwrap().i { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^ ... LL | println!("{}", mutex.lock().unwrap().i); | --------------------- another value with significant `Drop` created here @@ -463,12 +457,12 @@ LL | }; = note: this might lead to deadlocks or other unexpected behavior help: try moving the temporary above the match | -LL ~ i += mutex.lock().unwrap().i; -LL ~ match () { +LL ~ let value = mutex.lock().unwrap().i; +LL ~ match i += value { | error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:634:11 + --> tests/ui/significant_drop_in_scrutinee.rs:640:11 | LL | match rwlock.read().unwrap().to_number() { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -477,20 +471,14 @@ LL | }; | - temporary lives until here | = note: this might lead to deadlocks or other unexpected behavior - -error: temporary with significant `Drop` in `for` loop condition will live until the end of the `for` expression - --> tests/ui/significant_drop_in_scrutinee.rs:646:14 +help: try moving the temporary above the match | -LL | for s in rwlock.read().unwrap().iter() { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -... -LL | } - | - temporary lives until here +LL ~ let value = rwlock.read().unwrap().to_number(); +LL ~ match value { | - = note: this might lead to deadlocks or other unexpected behavior error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:663:11 + --> tests/ui/significant_drop_in_scrutinee.rs:668:11 | LL | match mutex.lock().unwrap().foo() { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -506,7 +494,7 @@ LL ~ match value { | error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:726:11 + --> tests/ui/significant_drop_in_scrutinee.rs:731:11 | LL | match guard.take().len() { | ^^^^^^^^^^^^^^^^^^ @@ -521,5 +509,37 @@ LL ~ let value = guard.take().len(); LL ~ match value { | +error: temporary with significant `Drop` in `for` loop condition will live until the end of the `for` expression + --> tests/ui/significant_drop_in_scrutinee.rs:757:16 + | +LL | for val in mutex.lock().unwrap().copy_old_lifetime() { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +... +LL | } + | - temporary lives until here + | + = note: this might lead to deadlocks or other unexpected behavior +help: try moving the temporary above the match + | +LL ~ let value = mutex.lock().unwrap().copy_old_lifetime(); +LL ~ for val in value { + | + +error: temporary with significant `Drop` in `for` loop condition will live until the end of the `for` expression + --> tests/ui/significant_drop_in_scrutinee.rs:797:17 + | +LL | for val in [mutex.lock().unwrap()[0], 2] { + | ^^^^^^^^^^^^^^^^^^^^^^^^ +... +LL | } + | - temporary lives until here + | + = note: this might lead to deadlocks or other unexpected behavior +help: try moving the temporary above the match + | +LL ~ let value = mutex.lock().unwrap()[0]; +LL ~ for val in [value, 2] { + | + error: aborting due to 27 previous errors From 5da41f59dafc7356dedba9c1e0fbd1cc1aa55491 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?R=C3=A9my=20Rakic?= Date: Wed, 22 May 2024 16:37:12 +0000 Subject: [PATCH 0408/1716] self-contained linker: retry without -fuse-ld=lld on older GCCs --- compiler/rustc_codegen_ssa/src/back/link.rs | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/compiler/rustc_codegen_ssa/src/back/link.rs b/compiler/rustc_codegen_ssa/src/back/link.rs index 37b8f81ad946..c973bda1ef14 100644 --- a/compiler/rustc_codegen_ssa/src/back/link.rs +++ b/compiler/rustc_codegen_ssa/src/back/link.rs @@ -799,6 +799,27 @@ fn link_natively( continue; } + // Check if linking failed with an error message that indicates the driver didn't recognize + // the `-fuse-ld=lld` option. If so, re-perform the link step without it. This avoids having + // to spawn multiple instances on the happy path to do version checking, and ensures things + // keep working on the tier 1 baseline of GLIBC 2.17+. That is generally understood as GCCs + // circa RHEL/CentOS 7, 4.5 or so, whereas lld support was added in GCC 9. + if matches!(flavor, LinkerFlavor::Gnu(Cc::Yes, Lld::Yes)) + && unknown_arg_regex.is_match(&out) + && out.contains("-fuse-ld=lld") + && cmd.get_args().iter().any(|e| e.to_string_lossy() == "-fuse-ld=lld") + { + info!("linker output: {:?}", out); + warn!("The linker driver does not support `-fuse-ld=lld`. Retrying without it."); + for arg in cmd.take_args() { + if arg.to_string_lossy() != "-fuse-ld=lld" { + cmd.arg(arg); + } + } + info!("{:?}", &cmd); + continue; + } + // Detect '-static-pie' used with an older version of gcc or clang not supporting it. // Fallback from '-static-pie' to '-static' in that case. if matches!(flavor, LinkerFlavor::Gnu(Cc::Yes, _)) From 8369dbba4360f783b84cfb13304329ae1cbd092f Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Wed, 22 May 2024 12:46:08 -0400 Subject: [PATCH 0409/1716] Use correct param-env in MissingCopyImplementations --- compiler/rustc_lint/src/builtin.rs | 9 ++++---- .../lint/missing_copy_impl_trivial_bounds.rs | 21 +++++++++++++++++++ 2 files changed, 25 insertions(+), 5 deletions(-) create mode 100644 tests/ui/lint/missing_copy_impl_trivial_bounds.rs diff --git a/compiler/rustc_lint/src/builtin.rs b/compiler/rustc_lint/src/builtin.rs index 0f059bceae7c..a3a8e5199ff7 100644 --- a/compiler/rustc_lint/src/builtin.rs +++ b/compiler/rustc_lint/src/builtin.rs @@ -674,11 +674,10 @@ impl<'tcx> LateLintPass<'tcx> for MissingCopyImplementations { return; } } - let param_env = ty::ParamEnv::empty(); - if ty.is_copy_modulo_regions(cx.tcx, param_env) { + if ty.is_copy_modulo_regions(cx.tcx, cx.param_env) { return; } - if type_implements_negative_copy_modulo_regions(cx.tcx, ty, param_env) { + if type_implements_negative_copy_modulo_regions(cx.tcx, ty, cx.param_env) { return; } if def.is_variant_list_non_exhaustive() @@ -694,7 +693,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingCopyImplementations { .tcx .infer_ctxt() .build() - .type_implements_trait(iter_trait, [ty], param_env) + .type_implements_trait(iter_trait, [ty], cx.param_env) .must_apply_modulo_regions() { return; @@ -711,7 +710,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingCopyImplementations { if type_allowed_to_implement_copy( cx.tcx, - param_env, + cx.param_env, ty, traits::ObligationCause::misc(item.span, item.owner_id.def_id), ) diff --git a/tests/ui/lint/missing_copy_impl_trivial_bounds.rs b/tests/ui/lint/missing_copy_impl_trivial_bounds.rs new file mode 100644 index 000000000000..9b743417bd52 --- /dev/null +++ b/tests/ui/lint/missing_copy_impl_trivial_bounds.rs @@ -0,0 +1,21 @@ +//@ check-pass + +#![feature(trivial_bounds)] +#![allow(trivial_bounds)] + +// Make sure that we still use the where-clauses from the struct when checking +// if it may implement `Copy` unconditionally. +// Fix for . + +pub trait Foo { + type Assoc; +} + +pub struct Bar; + +// This needs to be public +pub struct Baz2(::Assoc) +where + Bar: Foo; + +fn main() {} From aa91871539ca518e81af58485df895f8db30496a Mon Sep 17 00:00:00 2001 From: Augie Fackler Date: Fri, 19 Jan 2024 14:42:43 -0500 Subject: [PATCH 0410/1716] rustc_codegen_llvm: add support for writing summary bitcode Typical uses of ThinLTO don't have any use for this as a standalone file, but distributed ThinLTO uses this to make the linker phase more efficient. With clang you'd do something like `clang -flto=thin -fthin-link-bitcode=foo.indexing.o -c foo.c` and then get both foo.o (full of bitcode) and foo.indexing.o (just the summary or index part of the bitcode). That's then usable by a two-stage linking process that's more friendly to distributed build systems like bazel, which is why I'm working on this area. I talked some to @teresajohnson about naming in this area, as things seem to be a little confused between various blog posts and build systems. "bitcode index" and "bitcode summary" tend to be a little too ambiguous, and she tends to use "thin link bitcode" and "minimized bitcode" (which matches the descriptions in LLVM). Since the clang option is thin-link-bitcode, I went with that to try and not add a new spelling in the world. Per @dtolnay, you can work around the lack of this by using `lld --thinlto-index-only` to do the indexing on regular .o files of bitcode, but that is a bit wasteful on actions when we already have all the information in rustc and could just write out the matching minimized bitcode. I didn't test that at all in our infrastructure, because by the time I learned that I already had this patch largely written. --- .../rustc_codegen_cranelift/src/driver/aot.rs | 2 +- compiler/rustc_codegen_gcc/src/lib.rs | 4 +++ compiler/rustc_codegen_llvm/src/back/lto.rs | 8 +++++ compiler/rustc_codegen_llvm/src/back/write.rs | 32 ++++++++++++++++--- compiler/rustc_codegen_llvm/src/llvm/ffi.rs | 2 ++ compiler/rustc_codegen_ssa/src/back/write.rs | 9 ++++++ .../rustc_codegen_ssa/src/traits/write.rs | 1 + .../rustc_llvm/llvm-wrapper/PassWrapper.cpp | 14 +++++++- compiler/rustc_session/src/config.rs | 24 +++++++++++--- 9 files changed, 85 insertions(+), 11 deletions(-) diff --git a/compiler/rustc_codegen_cranelift/src/driver/aot.rs b/compiler/rustc_codegen_cranelift/src/driver/aot.rs index fce4690f97dc..394c810176ab 100644 --- a/compiler/rustc_codegen_cranelift/src/driver/aot.rs +++ b/compiler/rustc_codegen_cranelift/src/driver/aot.rs @@ -200,7 +200,7 @@ fn produce_final_output_artifacts( // to get rid of it. for output_type in crate_output.outputs.keys() { match *output_type { - OutputType::Bitcode => { + OutputType::Bitcode | OutputType::ThinLinkBitcode => { // Cranelift doesn't have bitcode // user_wants_bitcode = true; // // Copy to .bc, but always keep the .0.bc. There is a later diff --git a/compiler/rustc_codegen_gcc/src/lib.rs b/compiler/rustc_codegen_gcc/src/lib.rs index 3f2fadce9e4d..d786d5116ce7 100644 --- a/compiler/rustc_codegen_gcc/src/lib.rs +++ b/compiler/rustc_codegen_gcc/src/lib.rs @@ -335,6 +335,10 @@ impl ThinBufferMethods for ThinBuffer { fn data(&self) -> &[u8] { unimplemented!(); } + + fn thin_link_data(&self) -> &[u8] { + unimplemented!(); + } } pub struct GccContext { diff --git a/compiler/rustc_codegen_llvm/src/back/lto.rs b/compiler/rustc_codegen_llvm/src/back/lto.rs index e61af863dc07..740939eb6bbd 100644 --- a/compiler/rustc_codegen_llvm/src/back/lto.rs +++ b/compiler/rustc_codegen_llvm/src/back/lto.rs @@ -687,6 +687,14 @@ impl ThinBufferMethods for ThinBuffer { slice::from_raw_parts(ptr, len) } } + + fn thin_link_data(&self) -> &[u8] { + unsafe { + let ptr = llvm::LLVMRustThinLTOBufferThinLinkDataPtr(self.0) as *const _; + let len = llvm::LLVMRustThinLTOBufferThinLinkDataLen(self.0); + slice::from_raw_parts(ptr, len) + } + } } impl Drop for ThinBuffer { diff --git a/compiler/rustc_codegen_llvm/src/back/write.rs b/compiler/rustc_codegen_llvm/src/back/write.rs index 49f9d7ddab65..de12ae4ecc8f 100644 --- a/compiler/rustc_codegen_llvm/src/back/write.rs +++ b/compiler/rustc_codegen_llvm/src/back/write.rs @@ -708,6 +708,8 @@ pub(crate) unsafe fn codegen( // asm from LLVM and use `gcc` to create the object file. let bc_out = cgcx.output_filenames.temp_path(OutputType::Bitcode, module_name); + let bc_index_out = + cgcx.output_filenames.temp_path(OutputType::ThinLinkBitcode, module_name); let obj_out = cgcx.output_filenames.temp_path(OutputType::Object, module_name); if config.bitcode_needed() { @@ -716,6 +718,7 @@ pub(crate) unsafe fn codegen( .generic_activity_with_arg("LLVM_module_codegen_make_bitcode", &*module.name); let thin = ThinBuffer::new(llmod, config.emit_thin_lto); let data = thin.data(); + let index_data = thin.thin_link_data(); if let Some(bitcode_filename) = bc_out.file_name() { cgcx.prof.artifact_size( @@ -725,12 +728,31 @@ pub(crate) unsafe fn codegen( ); } + if let Some(thin_link_bitcode_filename) = bc_index_out.file_name() { + cgcx.prof.artifact_size( + "llvm_bitcode_summary", + thin_link_bitcode_filename.to_string_lossy(), + index_data.len() as u64, + ); + + let _timer = cgcx.prof.generic_activity_with_arg( + "LLVM_module_codegen_emit_bitcode_index", + &*module.name, + ); + if let Err(err) = fs::write(&bc_index_out, index_data) { + dcx.emit_err(WriteBytecode { path: &bc_index_out, err }); + } + } + if config.emit_bc || config.emit_obj == EmitObj::Bitcode { - let _timer = cgcx - .prof - .generic_activity_with_arg("LLVM_module_codegen_emit_bitcode", &*module.name); - if let Err(err) = fs::write(&bc_out, data) { - dcx.emit_err(WriteBytecode { path: &bc_out, err }); + { + let _timer = cgcx.prof.generic_activity_with_arg( + "LLVM_module_codegen_emit_bitcode", + &*module.name, + ); + if let Err(err) = fs::write(&bc_out, data) { + dcx.emit_err(WriteBytecode { path: &bc_out, err }); + } } } diff --git a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs index 7a34e21628dc..648e7f128900 100644 --- a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs +++ b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs @@ -2354,6 +2354,8 @@ extern "C" { pub fn LLVMRustThinLTOBufferFree(M: &'static mut ThinLTOBuffer); pub fn LLVMRustThinLTOBufferPtr(M: &ThinLTOBuffer) -> *const c_char; pub fn LLVMRustThinLTOBufferLen(M: &ThinLTOBuffer) -> size_t; + pub fn LLVMRustThinLTOBufferThinLinkDataPtr(M: &ThinLTOBuffer) -> *const c_char; + pub fn LLVMRustThinLTOBufferThinLinkDataLen(M: &ThinLTOBuffer) -> size_t; pub fn LLVMRustCreateThinLTOData( Modules: *const ThinLTOModule, NumModules: c_uint, diff --git a/compiler/rustc_codegen_ssa/src/back/write.rs b/compiler/rustc_codegen_ssa/src/back/write.rs index 53ba0da7d049..cee177d5eec2 100644 --- a/compiler/rustc_codegen_ssa/src/back/write.rs +++ b/compiler/rustc_codegen_ssa/src/back/write.rs @@ -107,6 +107,7 @@ pub struct ModuleConfig { pub emit_asm: bool, pub emit_obj: EmitObj, pub emit_thin_lto: bool, + pub emit_thin_lto_index: bool, pub bc_cmdline: String, // Miscellaneous flags. These are mostly copied from command-line @@ -231,6 +232,10 @@ impl ModuleConfig { ), emit_obj, emit_thin_lto: sess.opts.unstable_opts.emit_thin_lto, + emit_thin_lto_index: if_regular!( + sess.opts.output_types.contains_key(&OutputType::ThinLinkBitcode), + false + ), bc_cmdline: sess.target.bitcode_llvm_cmdline.to_string(), verify_llvm_ir: sess.verify_llvm_ir(), @@ -282,6 +287,7 @@ impl ModuleConfig { pub fn bitcode_needed(&self) -> bool { self.emit_bc + || self.emit_thin_lto_index || self.emit_obj == EmitObj::Bitcode || self.emit_obj == EmitObj::ObjectCode(BitcodeSection::Full) } @@ -629,6 +635,9 @@ fn produce_final_output_artifacts( // them for making an rlib. copy_if_one_unit(OutputType::Bitcode, true); } + OutputType::ThinLinkBitcode => { + copy_if_one_unit(OutputType::ThinLinkBitcode, false); + } OutputType::LlvmAssembly => { copy_if_one_unit(OutputType::LlvmAssembly, false); } diff --git a/compiler/rustc_codegen_ssa/src/traits/write.rs b/compiler/rustc_codegen_ssa/src/traits/write.rs index 048540894ac9..b4b23812d4dc 100644 --- a/compiler/rustc_codegen_ssa/src/traits/write.rs +++ b/compiler/rustc_codegen_ssa/src/traits/write.rs @@ -62,6 +62,7 @@ pub trait WriteBackendMethods: 'static + Sized + Clone { pub trait ThinBufferMethods: Send + Sync { fn data(&self) -> &[u8]; + fn thin_link_data(&self) -> &[u8]; } pub trait ModuleBufferMethods: Send + Sync { diff --git a/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp index 067374c02610..c210d2531e76 100644 --- a/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp +++ b/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp @@ -1488,6 +1488,7 @@ LLVMRustPrepareThinLTOImport(const LLVMRustThinLTOData *Data, LLVMModuleRef M, // a ThinLTO summary attached. struct LLVMRustThinLTOBuffer { std::string data; + std::string thin_link_data; }; extern "C" LLVMRustThinLTOBuffer* @@ -1495,6 +1496,7 @@ LLVMRustThinLTOBufferCreate(LLVMModuleRef M, bool is_thin) { auto Ret = std::make_unique(); { auto OS = raw_string_ostream(Ret->data); + auto ThinLinkOS = raw_string_ostream(Ret->thin_link_data); { if (is_thin) { PassBuilder PB; @@ -1508,7 +1510,7 @@ LLVMRustThinLTOBufferCreate(LLVMModuleRef M, bool is_thin) { PB.registerLoopAnalyses(LAM); PB.crossRegisterProxies(LAM, FAM, CGAM, MAM); ModulePassManager MPM; - MPM.addPass(ThinLTOBitcodeWriterPass(OS, nullptr)); + MPM.addPass(ThinLTOBitcodeWriterPass(OS, &ThinLinkOS)); MPM.run(*unwrap(M), MAM); } else { WriteBitcodeToFile(*unwrap(M), OS); @@ -1533,6 +1535,16 @@ LLVMRustThinLTOBufferLen(const LLVMRustThinLTOBuffer *Buffer) { return Buffer->data.length(); } +extern "C" const void* +LLVMRustThinLTOBufferThinLinkDataPtr(const LLVMRustThinLTOBuffer *Buffer) { + return Buffer->thin_link_data.data(); +} + +extern "C" size_t +LLVMRustThinLTOBufferThinLinkDataLen(const LLVMRustThinLTOBuffer *Buffer) { + return Buffer->thin_link_data.length(); +} + // This is what we used to parse upstream bitcode for actual ThinLTO // processing. We'll call this once per module optimized through ThinLTO, and // it'll be called concurrently on many threads. diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs index 7dd9fdf60f93..5ac4d194e872 100644 --- a/compiler/rustc_session/src/config.rs +++ b/compiler/rustc_session/src/config.rs @@ -465,6 +465,7 @@ impl FromStr for SplitDwarfKind { #[derive(Encodable, Decodable)] pub enum OutputType { Bitcode, + ThinLinkBitcode, Assembly, LlvmAssembly, Mir, @@ -492,6 +493,7 @@ impl OutputType { match *self { OutputType::Exe | OutputType::DepInfo | OutputType::Metadata => true, OutputType::Bitcode + | OutputType::ThinLinkBitcode | OutputType::Assembly | OutputType::LlvmAssembly | OutputType::Mir @@ -502,6 +504,7 @@ impl OutputType { pub fn shorthand(&self) -> &'static str { match *self { OutputType::Bitcode => "llvm-bc", + OutputType::ThinLinkBitcode => "thin-link-bitcode", OutputType::Assembly => "asm", OutputType::LlvmAssembly => "llvm-ir", OutputType::Mir => "mir", @@ -518,6 +521,7 @@ impl OutputType { "llvm-ir" => OutputType::LlvmAssembly, "mir" => OutputType::Mir, "llvm-bc" => OutputType::Bitcode, + "thin-link-bitcode" => OutputType::ThinLinkBitcode, "obj" => OutputType::Object, "metadata" => OutputType::Metadata, "link" => OutputType::Exe, @@ -528,8 +532,9 @@ impl OutputType { fn shorthands_display() -> String { format!( - "`{}`, `{}`, `{}`, `{}`, `{}`, `{}`, `{}`, `{}`", + "`{}`, `{}`, `{}`, `{}`, `{}`, `{}`, `{}`, `{}`, `{}`", OutputType::Bitcode.shorthand(), + OutputType::ThinLinkBitcode.shorthand(), OutputType::Assembly.shorthand(), OutputType::LlvmAssembly.shorthand(), OutputType::Mir.shorthand(), @@ -543,6 +548,7 @@ impl OutputType { pub fn extension(&self) -> &'static str { match *self { OutputType::Bitcode => "bc", + OutputType::ThinLinkBitcode => "indexing.o", OutputType::Assembly => "s", OutputType::LlvmAssembly => "ll", OutputType::Mir => "mir", @@ -559,9 +565,11 @@ impl OutputType { | OutputType::LlvmAssembly | OutputType::Mir | OutputType::DepInfo => true, - OutputType::Bitcode | OutputType::Object | OutputType::Metadata | OutputType::Exe => { - false - } + OutputType::Bitcode + | OutputType::ThinLinkBitcode + | OutputType::Object + | OutputType::Metadata + | OutputType::Exe => false, } } } @@ -644,6 +652,7 @@ impl OutputTypes { pub fn should_codegen(&self) -> bool { self.0.keys().any(|k| match *k { OutputType::Bitcode + | OutputType::ThinLinkBitcode | OutputType::Assembly | OutputType::LlvmAssembly | OutputType::Mir @@ -657,6 +666,7 @@ impl OutputTypes { pub fn should_link(&self) -> bool { self.0.keys().any(|k| match *k { OutputType::Bitcode + | OutputType::ThinLinkBitcode | OutputType::Assembly | OutputType::LlvmAssembly | OutputType::Mir @@ -1769,6 +1779,12 @@ fn parse_output_types( display = OutputType::shorthands_display(), )) }); + if output_type == OutputType::ThinLinkBitcode && !unstable_opts.unstable_options { + early_dcx.early_fatal(format!( + "{} requested but -Zunstable-options not specified", + OutputType::ThinLinkBitcode.shorthand() + )); + } output_types.insert(output_type, path); } } From 03d5556ced2d8ce84b9f5da702ac755aa98f7603 Mon Sep 17 00:00:00 2001 From: Augie Fackler Date: Wed, 22 May 2024 12:41:17 -0400 Subject: [PATCH 0411/1716] cleanup: remove leftover extra block This was needed in an older version of this patch, but never got edited out when it became obsolete. --- compiler/rustc_codegen_llvm/src/back/write.rs | 2 -- 1 file changed, 2 deletions(-) diff --git a/compiler/rustc_codegen_llvm/src/back/write.rs b/compiler/rustc_codegen_llvm/src/back/write.rs index de12ae4ecc8f..4a24bba2bb7a 100644 --- a/compiler/rustc_codegen_llvm/src/back/write.rs +++ b/compiler/rustc_codegen_llvm/src/back/write.rs @@ -745,7 +745,6 @@ pub(crate) unsafe fn codegen( } if config.emit_bc || config.emit_obj == EmitObj::Bitcode { - { let _timer = cgcx.prof.generic_activity_with_arg( "LLVM_module_codegen_emit_bitcode", &*module.name, @@ -753,7 +752,6 @@ pub(crate) unsafe fn codegen( if let Err(err) = fs::write(&bc_out, data) { dcx.emit_err(WriteBytecode { path: &bc_out, err }); } - } } if config.emit_obj == EmitObj::ObjectCode(BitcodeSection::Full) { From c24d1c7ff8fd6374a8bf8b1172e04ae828da438d Mon Sep 17 00:00:00 2001 From: Oneirical Date: Wed, 22 May 2024 14:40:41 -0400 Subject: [PATCH 0412/1716] Rewrite `core-no-oom-handling` as rmake.rs --- src/tools/run-make-support/src/rustc.rs | 9 ++++++++- .../tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/core-no-oom-handling/Makefile | 6 ------ tests/run-make/core-no-oom-handling/rmake.rs | 16 ++++++++++++++++ 4 files changed, 24 insertions(+), 8 deletions(-) delete mode 100644 tests/run-make/core-no-oom-handling/Makefile create mode 100644 tests/run-make/core-no-oom-handling/rmake.rs diff --git a/src/tools/run-make-support/src/rustc.rs b/src/tools/run-make-support/src/rustc.rs index f581204d5f1c..1c83b630861c 100644 --- a/src/tools/run-make-support/src/rustc.rs +++ b/src/tools/run-make-support/src/rustc.rs @@ -156,13 +156,20 @@ impl Rustc { self } - /// Add a directory to the library search path. Equivalent to `-L`` in rustc. + /// Add a directory to the library search path. Equivalent to `-L` in rustc. pub fn library_search_path>(&mut self, path: P) -> &mut Self { self.cmd.arg("-L"); self.cmd.arg(path.as_ref()); self } + /// Override the system root. Equivalent to `--sysroot` in rustc. + pub fn sysroot>(&mut self, path: P) -> &mut Self { + self.cmd.arg("--sysroot"); + self.cmd.arg(path.as_ref()); + self + } + /// Specify the edition year. pub fn edition(&mut self, edition: &str) -> &mut Self { self.cmd.arg("--edition"); diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 96fb8e27e6d2..2d62a064faef 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -25,7 +25,6 @@ run-make/compiler-rt-works-on-mingw/Makefile run-make/compressed-debuginfo/Makefile run-make/const-prop-lint/Makefile run-make/const_fn_mir/Makefile -run-make/core-no-oom-handling/Makefile run-make/crate-data-smoke/Makefile run-make/crate-hash-rustc-version/Makefile run-make/crate-name-priority/Makefile diff --git a/tests/run-make/core-no-oom-handling/Makefile b/tests/run-make/core-no-oom-handling/Makefile deleted file mode 100644 index 28c5261ff854..000000000000 --- a/tests/run-make/core-no-oom-handling/Makefile +++ /dev/null @@ -1,6 +0,0 @@ -include ../tools.mk - -FAKEROOT=$(TMPDIR)/fakeroot - -all: - $(RUSTC) --edition=2021 -Dwarnings --crate-type=rlib ../../../library/core/src/lib.rs --sysroot=$(FAKEROOT) --cfg no_global_oom_handling diff --git a/tests/run-make/core-no-oom-handling/rmake.rs b/tests/run-make/core-no-oom-handling/rmake.rs new file mode 100644 index 000000000000..8b697e3cfa39 --- /dev/null +++ b/tests/run-make/core-no-oom-handling/rmake.rs @@ -0,0 +1,16 @@ +// This test checks that the core library can still compile correctly +// when the no_global_oom_handling feature is turned on. +// See https://github.com/rust-lang/rust/pull/110649 + +use run_make_support::{rustc, tmp_dir}; + +fn main() { + rustc() + .edition("2021") + .arg("-Dwarnings") + .crate_type("rlib") + .input("../../../library/core/src/lib.rs") + .sysroot(tmp_dir().join("fakeroot")); + .cfg("no_global_oom_handling") + .run(); +} From 1c7859e117b77134650663b4c470dcfea7fe1468 Mon Sep 17 00:00:00 2001 From: Urgau Date: Wed, 22 May 2024 13:27:35 +0200 Subject: [PATCH 0413/1716] Don't suggest adding the unexpected cfgs the build-script it-self --- .../src/context/diagnostics/check_cfg.rs | 30 +++++++------ compiler/rustc_lint/src/lints.rs | 36 ++++++++++------ tests/ui/check-cfg/cargo-build-script.rs | 22 ++++++++++ tests/ui/check-cfg/cargo-build-script.stderr | 43 +++++++++++++++++++ 4 files changed, 107 insertions(+), 24 deletions(-) create mode 100644 tests/ui/check-cfg/cargo-build-script.rs create mode 100644 tests/ui/check-cfg/cargo-build-script.stderr diff --git a/compiler/rustc_lint/src/context/diagnostics/check_cfg.rs b/compiler/rustc_lint/src/context/diagnostics/check_cfg.rs index 020ca1753cf0..c69e680cb64f 100644 --- a/compiler/rustc_lint/src/context/diagnostics/check_cfg.rs +++ b/compiler/rustc_lint/src/context/diagnostics/check_cfg.rs @@ -42,6 +42,22 @@ fn to_check_cfg_arg(name: Symbol, value: Option, quotes: EscapeQuotes) - } } +fn cargo_help_sub( + sess: &Session, + inst: &impl Fn(EscapeQuotes) -> String, +) -> lints::UnexpectedCfgCargoHelp { + // We don't want to suggest the `build.rs` way to expected cfgs if we are already in a + // `build.rs`. We therefor do a best effort check (looking if the `--crate-name` is + // `build_script_build`) to try to figure out if we are building a Cargo build script + + let unescaped = &inst(EscapeQuotes::No); + if matches!(&sess.opts.crate_name, Some(crate_name) if crate_name == "build_script_build") { + lints::UnexpectedCfgCargoHelp::lint_cfg(unescaped) + } else { + lints::UnexpectedCfgCargoHelp::lint_cfg_and_build_rs(unescaped, &inst(EscapeQuotes::Yes)) + } +} + pub(super) fn unexpected_cfg_name( sess: &Session, (name, name_span): (Symbol, Span), @@ -162,14 +178,7 @@ pub(super) fn unexpected_cfg_name( let inst = |escape_quotes| to_check_cfg_arg(name, value.map(|(v, _s)| v), escape_quotes); let invocation_help = if is_from_cargo { - let sub = if !is_feature_cfg { - Some(lints::UnexpectedCfgCargoHelp::new( - &inst(EscapeQuotes::No), - &inst(EscapeQuotes::Yes), - )) - } else { - None - }; + let sub = if !is_feature_cfg { Some(cargo_help_sub(sess, &inst)) } else { None }; lints::unexpected_cfg_name::InvocationHelp::Cargo { sub } } else { lints::unexpected_cfg_name::InvocationHelp::Rustc(lints::UnexpectedCfgRustcHelp::new( @@ -267,10 +276,7 @@ pub(super) fn unexpected_cfg_value( Some(lints::unexpected_cfg_value::CargoHelp::DefineFeatures) } } else if !is_cfg_a_well_know_name { - Some(lints::unexpected_cfg_value::CargoHelp::Other(lints::UnexpectedCfgCargoHelp::new( - &inst(EscapeQuotes::No), - &inst(EscapeQuotes::Yes), - ))) + Some(lints::unexpected_cfg_value::CargoHelp::Other(cargo_help_sub(sess, &inst))) } else { None }; diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index 3bd6faca3796..8339107a16bc 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -1961,21 +1961,33 @@ pub struct UnitBindingsDiag { pub struct BuiltinNamedAsmLabel; #[derive(Subdiagnostic)] -#[help(lint_unexpected_cfg_add_cargo_feature)] -#[help(lint_unexpected_cfg_add_cargo_toml_lint_cfg)] -#[help(lint_unexpected_cfg_add_build_rs_println)] -pub struct UnexpectedCfgCargoHelp { - pub build_rs_println: String, - pub cargo_toml_lint_cfg: String, +pub enum UnexpectedCfgCargoHelp { + #[help(lint_unexpected_cfg_add_cargo_feature)] + #[help(lint_unexpected_cfg_add_cargo_toml_lint_cfg)] + LintCfg { cargo_toml_lint_cfg: String }, + #[help(lint_unexpected_cfg_add_cargo_feature)] + #[help(lint_unexpected_cfg_add_cargo_toml_lint_cfg)] + #[help(lint_unexpected_cfg_add_build_rs_println)] + LintCfgAndBuildRs { cargo_toml_lint_cfg: String, build_rs_println: String }, } impl UnexpectedCfgCargoHelp { - pub fn new(unescaped: &str, escaped: &str) -> Self { - Self { - cargo_toml_lint_cfg: format!( - "\n [lints.rust]\n unexpected_cfgs = {{ level = \"warn\", check-cfg = ['{unescaped}'] }}", - ), - build_rs_println: format!("println!(\"cargo::rustc-check-cfg={escaped}\");",), + fn cargo_toml_lint_cfg(unescaped: &str) -> String { + format!( + "\n [lints.rust]\n unexpected_cfgs = {{ level = \"warn\", check-cfg = ['{unescaped}'] }}" + ) + } + + pub fn lint_cfg(unescaped: &str) -> Self { + UnexpectedCfgCargoHelp::LintCfg { + cargo_toml_lint_cfg: Self::cargo_toml_lint_cfg(unescaped), + } + } + + pub fn lint_cfg_and_build_rs(unescaped: &str, escaped: &str) -> Self { + UnexpectedCfgCargoHelp::LintCfgAndBuildRs { + cargo_toml_lint_cfg: Self::cargo_toml_lint_cfg(unescaped), + build_rs_println: format!("println!(\"cargo::rustc-check-cfg={escaped}\");"), } } } diff --git a/tests/ui/check-cfg/cargo-build-script.rs b/tests/ui/check-cfg/cargo-build-script.rs new file mode 100644 index 000000000000..a3ba8791441e --- /dev/null +++ b/tests/ui/check-cfg/cargo-build-script.rs @@ -0,0 +1,22 @@ +// This test checks that when we are building a build script provided +// by Cargo we only suggest expecting the unexpected cfgs in the Cargo.toml. +// +//@ check-pass +//@ no-auto-check-cfg +//@ rustc-env:CARGO_CRATE_NAME=build_script_build +//@ compile-flags:--crate-name=build_script_build +//@ compile-flags:--check-cfg=cfg(has_bar) + +#[cfg(has_foo)] +//~^ WARNING unexpected `cfg` condition name +fn foo() {} + +#[cfg(has_foo = "yes")] +//~^ WARNING unexpected `cfg` condition name +fn foo() {} + +#[cfg(has_bar = "yes")] +//~^ WARNING unexpected `cfg` condition value +fn has_bar() {} + +fn main() {} diff --git a/tests/ui/check-cfg/cargo-build-script.stderr b/tests/ui/check-cfg/cargo-build-script.stderr new file mode 100644 index 000000000000..9ab3290ef22e --- /dev/null +++ b/tests/ui/check-cfg/cargo-build-script.stderr @@ -0,0 +1,43 @@ +warning: unexpected `cfg` condition name: `has_foo` + --> $DIR/cargo-build-script.rs:10:7 + | +LL | #[cfg(has_foo)] + | ^^^^^^^ + | + = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `has_bar`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` + = help: consider using a Cargo feature instead + = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: + [lints.rust] + unexpected_cfgs = { level = "warn", check-cfg = ['cfg(has_foo)'] } + = note: see for more information about checking conditional configuration + = note: `#[warn(unexpected_cfgs)]` on by default + +warning: unexpected `cfg` condition name: `has_foo` + --> $DIR/cargo-build-script.rs:14:7 + | +LL | #[cfg(has_foo = "yes")] + | ^^^^^^^^^^^^^^^ + | + = help: consider using a Cargo feature instead + = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: + [lints.rust] + unexpected_cfgs = { level = "warn", check-cfg = ['cfg(has_foo, values("yes"))'] } + = note: see for more information about checking conditional configuration + +warning: unexpected `cfg` condition value: `yes` + --> $DIR/cargo-build-script.rs:18:7 + | +LL | #[cfg(has_bar = "yes")] + | ^^^^^^^-------- + | | + | help: remove the value + | + = note: no expected value for `has_bar` + = help: consider using a Cargo feature instead + = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: + [lints.rust] + unexpected_cfgs = { level = "warn", check-cfg = ['cfg(has_bar, values("yes"))'] } + = note: see for more information about checking conditional configuration + +warning: 3 warnings emitted + From d4e5426256db81e8a5fc7b737f373a162b632a45 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Wed, 22 May 2024 15:25:43 -0400 Subject: [PATCH 0414/1716] rewrite and rename `issue-24445` to rmake --- src/tools/run-make-support/src/cc.rs | 8 +++++ .../tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/issue-24445/Makefile | 11 ------ .../foo.c | 0 .../foo.rs | 0 tests/run-make/non-pie-thread-local/rmake.rs | 36 +++++++++++++++++++ 6 files changed, 44 insertions(+), 12 deletions(-) delete mode 100644 tests/run-make/issue-24445/Makefile rename tests/run-make/{issue-24445 => non-pie-thread-local}/foo.c (100%) rename tests/run-make/{issue-24445 => non-pie-thread-local}/foo.rs (100%) create mode 100644 tests/run-make/non-pie-thread-local/rmake.rs diff --git a/src/tools/run-make-support/src/cc.rs b/src/tools/run-make-support/src/cc.rs index a67f5c8a9ee4..799c36b10499 100644 --- a/src/tools/run-make-support/src/cc.rs +++ b/src/tools/run-make-support/src/cc.rs @@ -45,6 +45,14 @@ impl Cc { self } + /// Adds directories to the list that the linker searches for libraries. + /// Equivalent to `-L`. + pub fn library_search_path>(&mut self, path: P) -> &mut Self { + self.cmd.arg("-L"); + self.cmd.arg(path.as_ref()); + self + } + /// Specify `-o` or `-Fe`/`-Fo` depending on platform/compiler. This assumes that the executable /// is under `$TMPDIR`. pub fn out_exe(&mut self, name: &str) -> &mut Self { diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 2d62a064faef..b4b40bdd7fbc 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -97,7 +97,6 @@ run-make/issue-15460/Makefile run-make/issue-18943/Makefile run-make/issue-20626/Makefile run-make/issue-22131/Makefile -run-make/issue-24445/Makefile run-make/issue-25581/Makefile run-make/issue-26006/Makefile run-make/issue-26092/Makefile diff --git a/tests/run-make/issue-24445/Makefile b/tests/run-make/issue-24445/Makefile deleted file mode 100644 index a13910aa73ed..000000000000 --- a/tests/run-make/issue-24445/Makefile +++ /dev/null @@ -1,11 +0,0 @@ -# ignore-cross-compile -include ../tools.mk - -# only-linux - -all: - $(RUSTC) foo.rs - $(CC) foo.c -lfoo -L $(TMPDIR) -Wl,--gc-sections -lpthread -ldl -o $(TMPDIR)/foo - $(call RUN,foo) - $(CC) foo.c -lfoo -L $(TMPDIR) -Wl,--gc-sections -lpthread -ldl -pie -fPIC -o $(TMPDIR)/foo - $(call RUN,foo) diff --git a/tests/run-make/issue-24445/foo.c b/tests/run-make/non-pie-thread-local/foo.c similarity index 100% rename from tests/run-make/issue-24445/foo.c rename to tests/run-make/non-pie-thread-local/foo.c diff --git a/tests/run-make/issue-24445/foo.rs b/tests/run-make/non-pie-thread-local/foo.rs similarity index 100% rename from tests/run-make/issue-24445/foo.rs rename to tests/run-make/non-pie-thread-local/foo.rs diff --git a/tests/run-make/non-pie-thread-local/rmake.rs b/tests/run-make/non-pie-thread-local/rmake.rs new file mode 100644 index 000000000000..fb89e4199c7a --- /dev/null +++ b/tests/run-make/non-pie-thread-local/rmake.rs @@ -0,0 +1,36 @@ +// It was once required to use a position-independent executable (PIE) +// in order to use the thread_local! macro, or some symbols would contain +// a NULL address. This was fixed, and this test checks a non-PIE, then a PIE +// build to see if this bug makes a resurgence. +// See https://github.com/rust-lang/rust/pull/24448 + +//@ ignore-cross compile +//@ only-linux + +use run_make_support::{cc, run, rustc, tmp_dir}; + +fn main() { + rustc().input("foo.rs").run(); + cc().input("foo.c") + .arg("-lfoo") + .library_search_path(tmp_dir()) + .arg("-Wl") + .arg("--gc-sections") + .arg("-lpthread") + .arg("-ldl") + .out_exe(tmp_dir().join("foo")) + .run(); + run("foo"); + cc().input("foo.c") + .arg("-lfoo") + .library_search_path(tmp_dir()) + .arg("-Wl") + .arg("--gc-sections") + .arg("-lpthread") + .arg("-ldl") + .arg("-pie") + .arg("-fPIC") + .out_exe(tmp_dir().join("foo")) + .run(); + run("foo"); +} From c8844dfdc00fbfe4b5e7839635214b744410312f Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Mon, 20 May 2024 08:45:54 +1000 Subject: [PATCH 0415/1716] Clarify the meaning of the span within `mbe::TokenTree::MetaVar`. --- compiler/rustc_expand/src/mbe.rs | 3 ++- compiler/rustc_expand/src/mbe/quoted.rs | 19 +++++++++++-------- 2 files changed, 13 insertions(+), 9 deletions(-) diff --git a/compiler/rustc_expand/src/mbe.rs b/compiler/rustc_expand/src/mbe.rs index a805c4fcf7b9..32d12c4fd0cc 100644 --- a/compiler/rustc_expand/src/mbe.rs +++ b/compiler/rustc_expand/src/mbe.rs @@ -73,7 +73,8 @@ enum TokenTree { Delimited(DelimSpan, DelimSpacing, Delimited), /// A kleene-style repetition sequence, e.g. `$($e:expr)*` (RHS) or `$($e),*` (LHS). Sequence(DelimSpan, SequenceRepetition), - /// e.g., `$var`. + /// e.g., `$var`. The span covers the leading dollar and the ident. (The span within the ident + /// only covers the ident, e.g. `var`.) MetaVar(Span, Ident), /// e.g., `$var:expr`. Only appears on the LHS. MetaVarDecl(Span, Ident /* name to bind */, Option), diff --git a/compiler/rustc_expand/src/mbe/quoted.rs b/compiler/rustc_expand/src/mbe/quoted.rs index d3ea48e2e2a8..2e37fd70df9a 100644 --- a/compiler/rustc_expand/src/mbe/quoted.rs +++ b/compiler/rustc_expand/src/mbe/quoted.rs @@ -176,7 +176,7 @@ fn parse_tree<'a>( // Depending on what `tree` is, we could be parsing different parts of a macro match tree { // `tree` is a `$` token. Look at the next token in `trees` - &tokenstream::TokenTree::Token(Token { kind: token::Dollar, span }, _) => { + &tokenstream::TokenTree::Token(Token { kind: token::Dollar, span: dollar_span }, _) => { // FIXME: Handle `Invisible`-delimited groups in a more systematic way // during parsing. let mut next = outer_trees.next(); @@ -209,7 +209,7 @@ fn parse_tree<'a>( err.emit(); // Returns early the same read `$` to avoid spanning // unrelated diagnostics that could be performed afterwards - return TokenTree::token(token::Dollar, span); + return TokenTree::token(token::Dollar, dollar_span); } Ok(elem) => { maybe_emit_macro_metavar_expr_feature( @@ -251,7 +251,7 @@ fn parse_tree<'a>( // special metavariable that names the crate of the invocation. Some(tokenstream::TokenTree::Token(token, _)) if token.is_ident() => { let (ident, is_raw) = token.ident().unwrap(); - let span = ident.span.with_lo(span.lo()); + let span = ident.span.with_lo(dollar_span.lo()); if ident.name == kw::Crate && matches!(is_raw, IdentIsRaw::No) { TokenTree::token(token::Ident(kw::DollarCrate, is_raw), span) } else { @@ -260,16 +260,19 @@ fn parse_tree<'a>( } // `tree` is followed by another `$`. This is an escaped `$`. - Some(&tokenstream::TokenTree::Token(Token { kind: token::Dollar, span }, _)) => { + Some(&tokenstream::TokenTree::Token( + Token { kind: token::Dollar, span: dollar_span2 }, + _, + )) => { if parsing_patterns { span_dollar_dollar_or_metavar_in_the_lhs_err( sess, - &Token { kind: token::Dollar, span }, + &Token { kind: token::Dollar, span: dollar_span2 }, ); } else { - maybe_emit_macro_metavar_expr_feature(features, sess, span); + maybe_emit_macro_metavar_expr_feature(features, sess, dollar_span2); } - TokenTree::token(token::Dollar, span) + TokenTree::token(token::Dollar, dollar_span2) } // `tree` is followed by some other token. This is an error. @@ -281,7 +284,7 @@ fn parse_tree<'a>( } // There are no more tokens. Just return the `$` we already have. - None => TokenTree::token(token::Dollar, span), + None => TokenTree::token(token::Dollar, dollar_span), } } From 3fc8f8998c45fbc211b98b5bae04cc87f8eb1619 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Mon, 20 May 2024 09:20:49 +1000 Subject: [PATCH 0416/1716] Clarify `parse` a little. - Name the colon span as `colon_span` to distinguish it from the other `span` local variable. - Just use basic pattern matching, which is easier to read than `map_or`. --- compiler/rustc_expand/src/mbe/quoted.rs | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/compiler/rustc_expand/src/mbe/quoted.rs b/compiler/rustc_expand/src/mbe/quoted.rs index 2e37fd70df9a..8ad7cb15c92a 100644 --- a/compiler/rustc_expand/src/mbe/quoted.rs +++ b/compiler/rustc_expand/src/mbe/quoted.rs @@ -62,7 +62,10 @@ pub(super) fn parse( match tree { TokenTree::MetaVar(start_sp, ident) if parsing_patterns => { let span = match trees.next() { - Some(&tokenstream::TokenTree::Token(Token { kind: token::Colon, span }, _)) => { + Some(&tokenstream::TokenTree::Token( + Token { kind: token::Colon, span: colon_span }, + _, + )) => { match trees.next() { Some(tokenstream::TokenTree::Token(token, _)) => match token.ident() { Some((fragment, _)) => { @@ -126,10 +129,12 @@ pub(super) fn parse( } _ => token.span, }, - tree => tree.map_or(span, tokenstream::TokenTree::span), + Some(tree) => tree.span(), + None => colon_span, } } - tree => tree.map_or(start_sp, tokenstream::TokenTree::span), + Some(tree) => tree.span(), + None => start_sp, }; result.push(TokenTree::MetaVarDecl(span, ident, None)); From b6de7821982caf99f58e2925ae3cb78673b31e24 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Fri, 17 May 2024 09:54:53 +1000 Subject: [PATCH 0417/1716] Clarify a comment. --- compiler/rustc_expand/src/proc_macro_server.rs | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/compiler/rustc_expand/src/proc_macro_server.rs b/compiler/rustc_expand/src/proc_macro_server.rs index 1f3547c841a9..ec7e4416b913 100644 --- a/compiler/rustc_expand/src/proc_macro_server.rs +++ b/compiler/rustc_expand/src/proc_macro_server.rs @@ -309,10 +309,10 @@ impl ToInternal> use rustc_ast::token::*; // The code below is conservative, using `token_alone`/`Spacing::Alone` - // in most places. When the resulting code is pretty-printed by - // `print_tts` it ends up with spaces between most tokens, which is - // safe but ugly. It's hard in general to do better when working at the - // token level. + // in most places. It's hard in general to do better when working at + // the token level. When the resulting code is pretty-printed by + // `print_tts` the `space_between` function helps avoid a lot of + // unnecessary whitespace, so the results aren't too bad. let (tree, rustc) = self; match tree { TokenTree::Punct(Punct { ch, joint, span }) => { From c679a5510222cb861a2a23088d1365707d1e0d6f Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Fri, 17 May 2024 09:49:09 +1000 Subject: [PATCH 0418/1716] Convert some `token_joint_hidden` calls to `token_joint`. This has no noticeable effect, but it makes these cases follow the guidelines in the comments on `Spacing`, which say that `Joint` should be used "for each token that (a) should be pretty-printed without a space after it, and (b) is followed by a punctuation token". These two tokens are both followed by a comma, which is a punctuation token. --- compiler/rustc_builtin_macros/src/assert/context.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/compiler/rustc_builtin_macros/src/assert/context.rs b/compiler/rustc_builtin_macros/src/assert/context.rs index 085ea3458bbf..781442261143 100644 --- a/compiler/rustc_builtin_macros/src/assert/context.rs +++ b/compiler/rustc_builtin_macros/src/assert/context.rs @@ -153,7 +153,7 @@ impl<'cx, 'a> Context<'cx, 'a> { fn build_panic(&self, expr_str: &str, panic_path: Path) -> P { let escaped_expr_str = escape_to_fmt(expr_str); let initial = [ - TokenTree::token_joint_hidden( + TokenTree::token_joint( token::Literal(token::Lit { kind: token::LitKind::Str, symbol: Symbol::intern(&if self.fmt_string.is_empty() { @@ -172,7 +172,7 @@ impl<'cx, 'a> Context<'cx, 'a> { ]; let captures = self.capture_decls.iter().flat_map(|cap| { [ - TokenTree::token_joint_hidden( + TokenTree::token_joint( token::Ident(cap.ident.name, IdentIsRaw::No), cap.ident.span, ), From a1b6d46e040176e63954ba3ba5bb18cd4ed3691a Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Fri, 17 May 2024 08:23:24 +1000 Subject: [PATCH 0419/1716] Use `JointHidden` in a couple of suitable places. This has no notable effect, but it's appropriate because the relevant tokens are followed by delimiters. --- compiler/rustc_ast/src/tokenstream.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/compiler/rustc_ast/src/tokenstream.rs b/compiler/rustc_ast/src/tokenstream.rs index fb666550e930..3d46415507de 100644 --- a/compiler/rustc_ast/src/tokenstream.rs +++ b/compiler/rustc_ast/src/tokenstream.rs @@ -661,11 +661,11 @@ impl TokenStream { if attr_style == AttrStyle::Inner { vec![ TokenTree::token_joint(token::Pound, span), - TokenTree::token_alone(token::Not, span), + TokenTree::token_joint_hidden(token::Not, span), body, ] } else { - vec![TokenTree::token_alone(token::Pound, span), body] + vec![TokenTree::token_joint_hidden(token::Pound, span), body] } } } From 4d513cb4bf7d8c3151594096e97cd848f5fcab77 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Mon, 20 May 2024 12:54:38 +1000 Subject: [PATCH 0420/1716] Add some comments. --- compiler/rustc_ast_pretty/src/pprust/state.rs | 40 ++++++++++++++----- compiler/rustc_expand/src/mbe.rs | 2 + compiler/rustc_expand/src/mbe/transcribe.rs | 15 +++++++ 3 files changed, 46 insertions(+), 11 deletions(-) diff --git a/compiler/rustc_ast_pretty/src/pprust/state.rs b/compiler/rustc_ast_pretty/src/pprust/state.rs index 545b98a9135a..f02fe4cf0a72 100644 --- a/compiler/rustc_ast_pretty/src/pprust/state.rs +++ b/compiler/rustc_ast_pretty/src/pprust/state.rs @@ -681,22 +681,40 @@ pub trait PrintState<'a>: std::ops::Deref + std::ops::Dere } } + // The easiest way to implement token stream pretty printing would be to + // print each token followed by a single space. But that would produce ugly + // output, so we go to some effort to do better. + // + // First, we track whether each token that appears in source code is + // followed by a space, with `Spacing`, and reproduce that in the output. + // This works well in a lot of cases. E.g. `stringify!(x + y)` produces + // "x + y" and `stringify!(x+y)` produces "x+y". + // + // But this doesn't work for code produced by proc macros (which have no + // original source text representation) nor for code produced by decl + // macros (which are tricky because the whitespace after tokens appearing + // in macro rules isn't always what you want in the produced output). For + // these we mostly use `Spacing::Alone`, which is the conservative choice. + // + // So we have a backup mechanism for when `Spacing::Alone` occurs between a + // pair of tokens: we check if that pair of tokens can obviously go + // together without a space between them. E.g. token `x` followed by token + // `,` is better printed as `x,` than `x ,`. (Even if the original source + // code was `x ,`.) + // + // Finally, we must be careful about changing the output. Token pretty + // printing is used by `stringify!` and `impl Display for + // proc_macro::TokenStream`, and some programs rely on the output having a + // particular form, even though they shouldn't. In particular, some proc + // macros do `format!({stream})` on a token stream and then "parse" the + // output with simple string matching that can't handle whitespace changes. + // E.g. we have seen cases where a proc macro can handle `a :: b` but not + // `a::b`. See #117433 for some examples. fn print_tts(&mut self, tts: &TokenStream, convert_dollar_crate: bool) { let mut iter = tts.trees().peekable(); while let Some(tt) = iter.next() { let spacing = self.print_tt(tt, convert_dollar_crate); if let Some(next) = iter.peek() { - // Should we print a space after `tt`? There are two guiding - // factors. - // - `spacing` is the more important and accurate one. Most - // tokens have good spacing information, and - // `Joint`/`JointHidden` get used a lot. - // - `space_between` is the backup. Code produced by proc - // macros has worse spacing information, with no - // `JointHidden` usage and too much `Alone` usage, which - // would result in over-spaced output such as - // `( x () , y . z )`. `space_between` avoids some of the - // excess whitespace. if spacing == Spacing::Alone && space_between(tt, next) { self.space(); } diff --git a/compiler/rustc_expand/src/mbe.rs b/compiler/rustc_expand/src/mbe.rs index 32d12c4fd0cc..08d4a0394548 100644 --- a/compiler/rustc_expand/src/mbe.rs +++ b/compiler/rustc_expand/src/mbe.rs @@ -68,6 +68,8 @@ pub(crate) enum KleeneOp { /// `MetaVarExpr` are "first-class" token trees. Useful for parsing macros. #[derive(Debug, PartialEq, Encodable, Decodable)] enum TokenTree { + /// A token. Unlike `tokenstream::TokenTree::Token` this lacks a `Spacing`. + /// See the comments about `Spacing` in the `transcribe` function. Token(Token), /// A delimited sequence, e.g. `($e:expr)` (RHS) or `{ $e }` (LHS). Delimited(DelimSpan, DelimSpacing, Delimited), diff --git a/compiler/rustc_expand/src/mbe/transcribe.rs b/compiler/rustc_expand/src/mbe/transcribe.rs index 3901b82eb52e..8a084dcb4fe3 100644 --- a/compiler/rustc_expand/src/mbe/transcribe.rs +++ b/compiler/rustc_expand/src/mbe/transcribe.rs @@ -253,8 +253,23 @@ pub(super) fn transcribe<'a>( mbe::TokenTree::MetaVar(mut sp, mut original_ident) => { // Find the matched nonterminal from the macro invocation, and use it to replace // the meta-var. + // + // We use `Spacing::Alone` everywhere here, because that's the conservative choice + // and spacing of declarative macros is tricky. E.g. in this macro: + // ``` + // macro_rules! idents { + // ($($a:ident,)*) => { stringify!($($a)*) } + // } + // ``` + // `$a` has no whitespace after it and will be marked `JointHidden`. If you then + // call `idents!(x,y,z,)`, each of `x`, `y`, and `z` will be marked as `Joint`. So + // if you choose to use `$x`'s spacing or the identifier's spacing, you'll end up + // producing "xyz", which is bad because it effectively merges tokens. + // `Spacing::Alone` is the safer option. Fortunately, `space_between` will avoid + // some of the unnecessary whitespace. let ident = MacroRulesNormalizedIdent::new(original_ident); if let Some(cur_matched) = lookup_cur_matched(ident, interp, &repeats) { + // njn: explain the use of alone here let tt = match cur_matched { MatchedSingle(ParseNtResult::Tt(tt)) => { // `tt`s are emitted into the output stream directly as "raw tokens", From f377ea165f2d3e977731e9746876a15b2c7e48a6 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Fri, 17 May 2024 16:50:37 -0400 Subject: [PATCH 0421/1716] rewrite issue-30063 --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/issue-30063/Makefile | 36 ------------------ .../{issue-30063 => reset-codegen-1}/foo.rs | 0 tests/run-make/reset-codegen-1/rmake.rs | 38 +++++++++++++++++++ 4 files changed, 38 insertions(+), 37 deletions(-) delete mode 100644 tests/run-make/issue-30063/Makefile rename tests/run-make/{issue-30063 => reset-codegen-1}/foo.rs (100%) create mode 100644 tests/run-make/reset-codegen-1/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 9b879f33778f..d7ce4ed7f21f 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -103,7 +103,6 @@ run-make/issue-25581/Makefile run-make/issue-26006/Makefile run-make/issue-26092/Makefile run-make/issue-28595/Makefile -run-make/issue-30063/Makefile run-make/issue-33329/Makefile run-make/issue-35164/Makefile run-make/issue-36710/Makefile diff --git a/tests/run-make/issue-30063/Makefile b/tests/run-make/issue-30063/Makefile deleted file mode 100644 index 8a69ca79f515..000000000000 --- a/tests/run-make/issue-30063/Makefile +++ /dev/null @@ -1,36 +0,0 @@ -# ignore-cross-compile -include ../tools.mk - -all: - rm -f $(TMPDIR)/foo-output - $(RUSTC) -C codegen-units=4 -o $(TMPDIR)/foo-output foo.rs - rm $(TMPDIR)/foo-output - - rm -f $(TMPDIR)/asm-output - $(RUSTC) -C codegen-units=4 --emit=asm -o $(TMPDIR)/asm-output foo.rs - rm $(TMPDIR)/asm-output - - rm -f $(TMPDIR)/bc-output - $(RUSTC) -C codegen-units=4 --emit=llvm-bc -o $(TMPDIR)/bc-output foo.rs - rm $(TMPDIR)/bc-output - - rm -f $(TMPDIR)/ir-output - $(RUSTC) -C codegen-units=4 --emit=llvm-ir -o $(TMPDIR)/ir-output foo.rs - rm $(TMPDIR)/ir-output - - rm -f $(TMPDIR)/link-output - $(RUSTC) -C codegen-units=4 --emit=link -o $(TMPDIR)/link-output foo.rs - rm $(TMPDIR)/link-output - - rm -f $(TMPDIR)/obj-output - $(RUSTC) -C codegen-units=4 --emit=obj -o $(TMPDIR)/obj-output foo.rs - rm $(TMPDIR)/obj-output - - rm -f $(TMPDIR)/dep-output - $(RUSTC) -C codegen-units=4 --emit=dep-info -o $(TMPDIR)/dep-output foo.rs - rm $(TMPDIR)/dep-output - -# # (This case doesn't work yet, and may be fundamentally wrong-headed anyway.) -# rm -f $(TMPDIR)/multi-output -# $(RUSTC) -C codegen-units=4 --emit=asm,obj -o $(TMPDIR)/multi-output foo.rs -# rm $(TMPDIR)/multi-output diff --git a/tests/run-make/issue-30063/foo.rs b/tests/run-make/reset-codegen-1/foo.rs similarity index 100% rename from tests/run-make/issue-30063/foo.rs rename to tests/run-make/reset-codegen-1/foo.rs diff --git a/tests/run-make/reset-codegen-1/rmake.rs b/tests/run-make/reset-codegen-1/rmake.rs new file mode 100644 index 000000000000..4b91ba7df90b --- /dev/null +++ b/tests/run-make/reset-codegen-1/rmake.rs @@ -0,0 +1,38 @@ +// When rustc received 4 codegen-units, an output path and an emit flag all simultaneously, +// this could cause an annoying recompilation issue, uselessly lengthening the build process. +// A fix was delivered, which resets codegen-units to 1 when necessary, +// but as it directly affected the way codegen-units are manipulated, +// this test was created to check that this fix did not cause compilation failures. +// See https://github.com/rust-lang/rust/issues/30063 + +//@ ignore-cross-compile + +use run_make_support::{rustc, tmp_dir}; +use std::fs; + +fn compile(output_file: &str, emit: Option<&str>) { + let mut rustc = rustc(); + let rustc = rustc.codegen_units(4).output(tmp_dir().join(output_file)).input("foo.rs"); + if let Some(emit) = emit { + rustc.emit(emit); + } + rustc.run(); +} + +fn main() { + let flags = [ + ("foo-output", None), + ("asm-output", Some("asm")), + ("bc-output", Some("llvm-bc")), + ("ir-output", Some("llvm-ir")), + ("link-output", Some("link")), + ("obj-output", Some("obj")), + ("dep-output", Some("dep-info")), + ("multi-output", Some("asm,obj")), + ]; + for (output_file, emit) in flags { + fs::remove_file(output_file).unwrap_or_default(); + compile(output_file, emit); + fs::remove_file(output_file); + } +} From dd7e68b3566c9417eb13ba8b09c74481727ff977 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Fri, 17 May 2024 15:37:16 -0400 Subject: [PATCH 0422/1716] rewrite and rename issue-53964 --- src/tools/tidy/src/allowed_run_make_makefiles.txt | 1 - .../app.rs | 0 .../panic.rs | 0 .../external-crate-panic-handle-no-lint/rmake.rs | 12 ++++++++++++ tests/run-make/issue-53964/Makefile | 5 ----- 5 files changed, 12 insertions(+), 6 deletions(-) rename tests/run-make/{issue-53964 => external-crate-panic-handle-no-lint}/app.rs (100%) rename tests/run-make/{issue-53964 => external-crate-panic-handle-no-lint}/panic.rs (100%) create mode 100644 tests/run-make/external-crate-panic-handle-no-lint/rmake.rs delete mode 100644 tests/run-make/issue-53964/Makefile diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 1a3d6f8d8136..4aed36c9e54f 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -116,7 +116,6 @@ run-make/issue-46239/Makefile run-make/issue-47384/Makefile run-make/issue-47551/Makefile run-make/issue-51671/Makefile -run-make/issue-53964/Makefile run-make/issue-64153/Makefile run-make/issue-68794-textrel-on-minimal-lib/Makefile run-make/issue-69368/Makefile diff --git a/tests/run-make/issue-53964/app.rs b/tests/run-make/external-crate-panic-handle-no-lint/app.rs similarity index 100% rename from tests/run-make/issue-53964/app.rs rename to tests/run-make/external-crate-panic-handle-no-lint/app.rs diff --git a/tests/run-make/issue-53964/panic.rs b/tests/run-make/external-crate-panic-handle-no-lint/panic.rs similarity index 100% rename from tests/run-make/issue-53964/panic.rs rename to tests/run-make/external-crate-panic-handle-no-lint/panic.rs diff --git a/tests/run-make/external-crate-panic-handle-no-lint/rmake.rs b/tests/run-make/external-crate-panic-handle-no-lint/rmake.rs new file mode 100644 index 000000000000..de4023282ef6 --- /dev/null +++ b/tests/run-make/external-crate-panic-handle-no-lint/rmake.rs @@ -0,0 +1,12 @@ +// Defining a crate that provides panic handling as an external crate +// could uselessly trigger the "unused external crate" lint. In this test, +// if the lint is triggered, it will trip #![deny(unused_extern_crates)], +// and cause the test to fail. +// See https://github.com/rust-lang/rust/issues/53964 + +use run_make_support::{rustc, tmp_dir}; + +fn main() { + rustc().input("panic.rs").run(); + rustc().input("app.rs").panic("abort").emit("obj").library_search_path(tmp_dir()).run(); +} diff --git a/tests/run-make/issue-53964/Makefile b/tests/run-make/issue-53964/Makefile deleted file mode 100644 index 6bd83021374d..000000000000 --- a/tests/run-make/issue-53964/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -include ../tools.mk - -all: - $(RUSTC) panic.rs - $(RUSTC) -C panic=abort --emit=obj app.rs -L $(TMPDIR) From ae49dbe707b50900d16bd8ecf8981e0c5534752b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Le=C3=B3n=20Orell=20Valerian=20Liehr?= Date: Fri, 17 May 2024 14:43:59 +0200 Subject: [PATCH 0423/1716] Cleanup: Fix up some diagnostics --- compiler/rustc_infer/messages.ftl | 4 +-- compiler/rustc_lint/messages.ftl | 2 +- compiler/rustc_lint/src/lints.rs | 2 +- compiler/rustc_mir_build/messages.ftl | 23 ++++++++------- compiler/rustc_mir_build/src/errors.rs | 28 +++++++++++-------- .../pub/pub-reexport-priv-extern-crate.stderr | 5 ++-- .../safe-calls.stderr | 2 +- ...edition-2024-unsafe_op_in_unsafe_fn.stderr | 3 +- .../edition_2024_default.stderr | 3 +- .../in_2024_compatibility.stderr | 3 +- .../rfc-2585-unsafe_op_in_unsafe_fn.stderr | 12 ++++---- .../wrapping-unsafe-block-sugg.stderr | 17 +++++------ 12 files changed, 57 insertions(+), 47 deletions(-) diff --git a/compiler/rustc_infer/messages.ftl b/compiler/rustc_infer/messages.ftl index 8f1c4ad462a6..fbe8d31370cc 100644 --- a/compiler/rustc_infer/messages.ftl +++ b/compiler/rustc_infer/messages.ftl @@ -104,10 +104,10 @@ infer_compare_impl_item_obligation = ...so that the definition in impl matches t infer_consider_specifying_length = consider specifying the actual array length infer_data_flows = ...but data{$label_var1_exists -> [true] {" "}from `{$label_var1}` - *[false] -> {""} + *[false] {""} } flows{$label_var2_exists -> [true] {" "}into `{$label_var2}` - *[false] -> {""} + *[false] {""} } here infer_data_lifetime_flow = ...but data with one lifetime flows into the other here diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index 6f6480a49641..8b1a9a12886e 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -627,7 +627,7 @@ lint_pattern_in_foreign = patterns aren't allowed in foreign function declaratio .label = pattern not allowed in foreign function lint_private_extern_crate_reexport = - extern crate `{$ident}` is private, and cannot be re-exported (error E0365), consider declaring with `pub` + extern crate `{$ident}` is private, and cannot be re-exported, consider declaring with `pub` lint_proc_macro_back_compat = using an old version of `{$crate_name}` .note = older versions of the `{$crate_name}` crate will stop compiling in future versions of Rust; please update to `{$crate_name}` v{$fixed_version}, or switch to one of the `{$crate_name}` alternatives diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index 3bd6faca3796..51f58e3f4e53 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -2227,7 +2227,7 @@ pub struct MacroUseDeprecated; pub struct UnusedMacroUse; #[derive(LintDiagnostic)] -#[diag(lint_private_extern_crate_reexport)] +#[diag(lint_private_extern_crate_reexport, code = E0365)] pub struct PrivateExternCrateReexport { pub ident: Ident, } diff --git a/compiler/rustc_mir_build/messages.ftl b/compiler/rustc_mir_build/messages.ftl index 0bb44dbb8706..67e1e15defab 100644 --- a/compiler/rustc_mir_build/messages.ftl +++ b/compiler/rustc_mir_build/messages.ftl @@ -335,12 +335,12 @@ mir_build_unsafe_fn_safe_body = an unsafe function restricts its caller, but its mir_build_unsafe_not_inherited = items do not inherit unsafety from separate enclosing items mir_build_unsafe_op_in_unsafe_fn_borrow_of_layout_constrained_field_requires_unsafe = - borrow of layout constrained field with interior mutability is unsafe and requires unsafe block (error E0133) + borrow of layout constrained field with interior mutability is unsafe and requires unsafe block .note = references to fields of layout constrained fields lose the constraints. Coupled with interior mutability, the field can be changed to invalid values .label = borrow of layout constrained field with interior mutability mir_build_unsafe_op_in_unsafe_fn_call_to_fn_with_requires_unsafe = - call to function `{$function}` with `#[target_feature]` is unsafe and requires unsafe block (error E0133) + call to function `{$function}` with `#[target_feature]` is unsafe and requires unsafe block .help = in order for the call to be safe, the context requires the following additional target {$missing_target_features_count -> [1] feature *[count] features @@ -355,48 +355,47 @@ mir_build_unsafe_op_in_unsafe_fn_call_to_fn_with_requires_unsafe = .label = call to function with `#[target_feature]` mir_build_unsafe_op_in_unsafe_fn_call_to_unsafe_fn_requires_unsafe = - call to unsafe function `{$function}` is unsafe and requires unsafe block (error E0133) + call to unsafe function `{$function}` is unsafe and requires unsafe block .note = consult the function's documentation for information on how to avoid undefined behavior .label = call to unsafe function mir_build_unsafe_op_in_unsafe_fn_call_to_unsafe_fn_requires_unsafe_nameless = - call to unsafe function is unsafe and requires unsafe block (error E0133) + call to unsafe function is unsafe and requires unsafe block .note = consult the function's documentation for information on how to avoid undefined behavior .label = call to unsafe function mir_build_unsafe_op_in_unsafe_fn_deref_raw_pointer_requires_unsafe = - dereference of raw pointer is unsafe and requires unsafe block (error E0133) + dereference of raw pointer is unsafe and requires unsafe block .note = raw pointers may be null, dangling or unaligned; they can violate aliasing rules and cause data races: all of these are undefined behavior .label = dereference of raw pointer mir_build_unsafe_op_in_unsafe_fn_extern_static_requires_unsafe = - use of extern static is unsafe and requires unsafe block (error E0133) + use of extern static is unsafe and requires unsafe block .note = extern statics are not controlled by the Rust type system: invalid data, aliasing violations or data races will cause undefined behavior .label = use of extern static mir_build_unsafe_op_in_unsafe_fn_initializing_type_with_requires_unsafe = - initializing type with `rustc_layout_scalar_valid_range` attr is unsafe and requires unsafe - block (error E0133) + initializing type with `rustc_layout_scalar_valid_range` attr is unsafe and requires unsafe block .note = initializing a layout restricted type's field with a value outside the valid range is undefined behavior .label = initializing type with `rustc_layout_scalar_valid_range` attr mir_build_unsafe_op_in_unsafe_fn_inline_assembly_requires_unsafe = - use of inline assembly is unsafe and requires unsafe block (error E0133) + use of inline assembly is unsafe and requires unsafe block .note = inline assembly is entirely unchecked and can cause undefined behavior .label = use of inline assembly mir_build_unsafe_op_in_unsafe_fn_mutable_static_requires_unsafe = - use of mutable static is unsafe and requires unsafe block (error E0133) + use of mutable static is unsafe and requires unsafe block .note = mutable statics can be mutated by multiple threads: aliasing violations or data races will cause undefined behavior .label = use of mutable static mir_build_unsafe_op_in_unsafe_fn_mutation_of_layout_constrained_field_requires_unsafe = - mutation of layout constrained field is unsafe and requires unsafe block (error E0133) + mutation of layout constrained field is unsafe and requires unsafe block .note = mutating layout constrained fields cannot statically be checked for valid values .label = mutation of layout constrained field mir_build_unsafe_op_in_unsafe_fn_union_field_requires_unsafe = - access to union field is unsafe and requires unsafe block (error E0133) + access to union field is unsafe and requires unsafe block .note = the field may not be properly initialized: using uninitialized data will cause undefined behavior .label = access to union field diff --git a/compiler/rustc_mir_build/src/errors.rs b/compiler/rustc_mir_build/src/errors.rs index e2a28467b845..38e6c00add81 100644 --- a/compiler/rustc_mir_build/src/errors.rs +++ b/compiler/rustc_mir_build/src/errors.rs @@ -21,7 +21,7 @@ pub struct UnconditionalRecursion { } #[derive(LintDiagnostic)] -#[diag(mir_build_unsafe_op_in_unsafe_fn_call_to_unsafe_fn_requires_unsafe)] +#[diag(mir_build_unsafe_op_in_unsafe_fn_call_to_unsafe_fn_requires_unsafe, code = E0133)] #[note] pub struct UnsafeOpInUnsafeFnCallToUnsafeFunctionRequiresUnsafe { #[label] @@ -32,7 +32,7 @@ pub struct UnsafeOpInUnsafeFnCallToUnsafeFunctionRequiresUnsafe { } #[derive(LintDiagnostic)] -#[diag(mir_build_unsafe_op_in_unsafe_fn_call_to_unsafe_fn_requires_unsafe_nameless)] +#[diag(mir_build_unsafe_op_in_unsafe_fn_call_to_unsafe_fn_requires_unsafe_nameless, code = E0133)] #[note] pub struct UnsafeOpInUnsafeFnCallToUnsafeFunctionRequiresUnsafeNameless { #[label] @@ -42,7 +42,7 @@ pub struct UnsafeOpInUnsafeFnCallToUnsafeFunctionRequiresUnsafeNameless { } #[derive(LintDiagnostic)] -#[diag(mir_build_unsafe_op_in_unsafe_fn_inline_assembly_requires_unsafe)] +#[diag(mir_build_unsafe_op_in_unsafe_fn_inline_assembly_requires_unsafe, code = E0133)] #[note] pub struct UnsafeOpInUnsafeFnUseOfInlineAssemblyRequiresUnsafe { #[label] @@ -52,7 +52,7 @@ pub struct UnsafeOpInUnsafeFnUseOfInlineAssemblyRequiresUnsafe { } #[derive(LintDiagnostic)] -#[diag(mir_build_unsafe_op_in_unsafe_fn_initializing_type_with_requires_unsafe)] +#[diag(mir_build_unsafe_op_in_unsafe_fn_initializing_type_with_requires_unsafe, code = E0133)] #[note] pub struct UnsafeOpInUnsafeFnInitializingTypeWithRequiresUnsafe { #[label] @@ -62,7 +62,7 @@ pub struct UnsafeOpInUnsafeFnInitializingTypeWithRequiresUnsafe { } #[derive(LintDiagnostic)] -#[diag(mir_build_unsafe_op_in_unsafe_fn_mutable_static_requires_unsafe)] +#[diag(mir_build_unsafe_op_in_unsafe_fn_mutable_static_requires_unsafe, code = E0133)] #[note] pub struct UnsafeOpInUnsafeFnUseOfMutableStaticRequiresUnsafe { #[label] @@ -72,7 +72,7 @@ pub struct UnsafeOpInUnsafeFnUseOfMutableStaticRequiresUnsafe { } #[derive(LintDiagnostic)] -#[diag(mir_build_unsafe_op_in_unsafe_fn_extern_static_requires_unsafe)] +#[diag(mir_build_unsafe_op_in_unsafe_fn_extern_static_requires_unsafe, code = E0133)] #[note] pub struct UnsafeOpInUnsafeFnUseOfExternStaticRequiresUnsafe { #[label] @@ -82,7 +82,7 @@ pub struct UnsafeOpInUnsafeFnUseOfExternStaticRequiresUnsafe { } #[derive(LintDiagnostic)] -#[diag(mir_build_unsafe_op_in_unsafe_fn_deref_raw_pointer_requires_unsafe)] +#[diag(mir_build_unsafe_op_in_unsafe_fn_deref_raw_pointer_requires_unsafe, code = E0133)] #[note] pub struct UnsafeOpInUnsafeFnDerefOfRawPointerRequiresUnsafe { #[label] @@ -92,7 +92,7 @@ pub struct UnsafeOpInUnsafeFnDerefOfRawPointerRequiresUnsafe { } #[derive(LintDiagnostic)] -#[diag(mir_build_unsafe_op_in_unsafe_fn_union_field_requires_unsafe)] +#[diag(mir_build_unsafe_op_in_unsafe_fn_union_field_requires_unsafe, code = E0133)] #[note] pub struct UnsafeOpInUnsafeFnAccessToUnionFieldRequiresUnsafe { #[label] @@ -102,7 +102,10 @@ pub struct UnsafeOpInUnsafeFnAccessToUnionFieldRequiresUnsafe { } #[derive(LintDiagnostic)] -#[diag(mir_build_unsafe_op_in_unsafe_fn_mutation_of_layout_constrained_field_requires_unsafe)] +#[diag( + mir_build_unsafe_op_in_unsafe_fn_mutation_of_layout_constrained_field_requires_unsafe, + code = E0133 +)] #[note] pub struct UnsafeOpInUnsafeFnMutationOfLayoutConstrainedFieldRequiresUnsafe { #[label] @@ -112,7 +115,10 @@ pub struct UnsafeOpInUnsafeFnMutationOfLayoutConstrainedFieldRequiresUnsafe { } #[derive(LintDiagnostic)] -#[diag(mir_build_unsafe_op_in_unsafe_fn_borrow_of_layout_constrained_field_requires_unsafe)] +#[diag( + mir_build_unsafe_op_in_unsafe_fn_borrow_of_layout_constrained_field_requires_unsafe, + code = E0133, +)] pub struct UnsafeOpInUnsafeFnBorrowOfLayoutConstrainedFieldRequiresUnsafe { #[label] pub span: Span, @@ -121,7 +127,7 @@ pub struct UnsafeOpInUnsafeFnBorrowOfLayoutConstrainedFieldRequiresUnsafe { } #[derive(LintDiagnostic)] -#[diag(mir_build_unsafe_op_in_unsafe_fn_call_to_fn_with_requires_unsafe)] +#[diag(mir_build_unsafe_op_in_unsafe_fn_call_to_fn_with_requires_unsafe, code = E0133)] #[help] pub struct UnsafeOpInUnsafeFnCallToFunctionWithRequiresUnsafe { #[label] diff --git a/tests/ui/pub/pub-reexport-priv-extern-crate.stderr b/tests/ui/pub/pub-reexport-priv-extern-crate.stderr index c7fadc6f9293..3fa5b0f9aef3 100644 --- a/tests/ui/pub/pub-reexport-priv-extern-crate.stderr +++ b/tests/ui/pub/pub-reexport-priv-extern-crate.stderr @@ -22,7 +22,7 @@ note: the crate import `core` is defined here LL | extern crate core; | ^^^^^^^^^^^^^^^^^^ -error: extern crate `core` is private, and cannot be re-exported (error E0365), consider declaring with `pub` +error[E0365]: extern crate `core` is private, and cannot be re-exported, consider declaring with `pub` --> $DIR/pub-reexport-priv-extern-crate.rs:2:9 | LL | pub use core as reexported_core; @@ -34,4 +34,5 @@ LL | pub use core as reexported_core; error: aborting due to 3 previous errors -For more information about this error, try `rustc --explain E0603`. +Some errors have detailed explanations: E0365, E0603. +For more information about an error, try `rustc --explain E0365`. diff --git a/tests/ui/rfcs/rfc-2396-target_feature-11/safe-calls.stderr b/tests/ui/rfcs/rfc-2396-target_feature-11/safe-calls.stderr index aa660db38679..537819ab8595 100644 --- a/tests/ui/rfcs/rfc-2396-target_feature-11/safe-calls.stderr +++ b/tests/ui/rfcs/rfc-2396-target_feature-11/safe-calls.stderr @@ -91,7 +91,7 @@ LL | const _: () = sse2_and_fxsr(); = help: in order for the call to be safe, the context requires the following additional target features: sse2 and fxsr = note: the fxsr and sse2 target features being enabled in the build configuration does not remove the requirement to list them in `#[target_feature]` -error: call to function `sse2` with `#[target_feature]` is unsafe and requires unsafe block (error E0133) +error[E0133]: call to function `sse2` with `#[target_feature]` is unsafe and requires unsafe block --> $DIR/safe-calls.rs:70:5 | LL | sse2(); diff --git a/tests/ui/unsafe/edition-2024-unsafe_op_in_unsafe_fn.stderr b/tests/ui/unsafe/edition-2024-unsafe_op_in_unsafe_fn.stderr index 2eb1754392e1..fe12dd72d9eb 100644 --- a/tests/ui/unsafe/edition-2024-unsafe_op_in_unsafe_fn.stderr +++ b/tests/ui/unsafe/edition-2024-unsafe_op_in_unsafe_fn.stderr @@ -1,4 +1,4 @@ -warning: call to unsafe function `unsf` is unsafe and requires unsafe block (error E0133) +warning[E0133]: call to unsafe function `unsf` is unsafe and requires unsafe block --> $DIR/edition-2024-unsafe_op_in_unsafe_fn.rs:10:5 | LL | unsf(); @@ -15,3 +15,4 @@ LL | unsafe fn foo() { warning: 1 warning emitted +For more information about this error, try `rustc --explain E0133`. diff --git a/tests/ui/unsafe/unsafe_op_in_unsafe_fn/edition_2024_default.stderr b/tests/ui/unsafe/unsafe_op_in_unsafe_fn/edition_2024_default.stderr index e6d1d4e5cc78..05f36ab47cb5 100644 --- a/tests/ui/unsafe/unsafe_op_in_unsafe_fn/edition_2024_default.stderr +++ b/tests/ui/unsafe/unsafe_op_in_unsafe_fn/edition_2024_default.stderr @@ -1,4 +1,4 @@ -warning: call to unsafe function `unsf` is unsafe and requires unsafe block (error E0133) +warning[E0133]: call to unsafe function `unsf` is unsafe and requires unsafe block --> $DIR/edition_2024_default.rs:13:5 | LL | unsf(); @@ -15,3 +15,4 @@ LL | unsafe fn foo() { warning: 1 warning emitted +For more information about this error, try `rustc --explain E0133`. diff --git a/tests/ui/unsafe/unsafe_op_in_unsafe_fn/in_2024_compatibility.stderr b/tests/ui/unsafe/unsafe_op_in_unsafe_fn/in_2024_compatibility.stderr index 5092c1e689d6..3f97199458da 100644 --- a/tests/ui/unsafe/unsafe_op_in_unsafe_fn/in_2024_compatibility.stderr +++ b/tests/ui/unsafe/unsafe_op_in_unsafe_fn/in_2024_compatibility.stderr @@ -1,4 +1,4 @@ -error: call to unsafe function `unsf` is unsafe and requires unsafe block (error E0133) +error[E0133]: call to unsafe function `unsf` is unsafe and requires unsafe block --> $DIR/in_2024_compatibility.rs:7:5 | LL | unsf(); @@ -20,3 +20,4 @@ LL | #![deny(rust_2024_compatibility)] error: aborting due to 1 previous error +For more information about this error, try `rustc --explain E0133`. diff --git a/tests/ui/unsafe/unsafe_op_in_unsafe_fn/rfc-2585-unsafe_op_in_unsafe_fn.stderr b/tests/ui/unsafe/unsafe_op_in_unsafe_fn/rfc-2585-unsafe_op_in_unsafe_fn.stderr index 4bc604a110ea..1f80342566ca 100644 --- a/tests/ui/unsafe/unsafe_op_in_unsafe_fn/rfc-2585-unsafe_op_in_unsafe_fn.stderr +++ b/tests/ui/unsafe/unsafe_op_in_unsafe_fn/rfc-2585-unsafe_op_in_unsafe_fn.stderr @@ -1,4 +1,4 @@ -error: call to unsafe function `unsf` is unsafe and requires unsafe block (error E0133) +error[E0133]: call to unsafe function `unsf` is unsafe and requires unsafe block --> $DIR/rfc-2585-unsafe_op_in_unsafe_fn.rs:9:5 | LL | unsf(); @@ -17,7 +17,7 @@ note: the lint level is defined here LL | #![deny(unsafe_op_in_unsafe_fn)] | ^^^^^^^^^^^^^^^^^^^^^^ -error: dereference of raw pointer is unsafe and requires unsafe block (error E0133) +error[E0133]: dereference of raw pointer is unsafe and requires unsafe block --> $DIR/rfc-2585-unsafe_op_in_unsafe_fn.rs:11:5 | LL | *PTR; @@ -26,7 +26,7 @@ LL | *PTR; = note: for more information, see issue #71668 = note: raw pointers may be null, dangling or unaligned; they can violate aliasing rules and cause data races: all of these are undefined behavior -error: use of mutable static is unsafe and requires unsafe block (error E0133) +error[E0133]: use of mutable static is unsafe and requires unsafe block --> $DIR/rfc-2585-unsafe_op_in_unsafe_fn.rs:13:5 | LL | VOID = (); @@ -47,7 +47,7 @@ note: the lint level is defined here LL | #![deny(unused_unsafe)] | ^^^^^^^^^^^^^ -error: call to unsafe function `unsf` is unsafe and requires unsafe block (error E0133) +error[E0133]: call to unsafe function `unsf` is unsafe and requires unsafe block --> $DIR/rfc-2585-unsafe_op_in_unsafe_fn.rs:24:5 | LL | unsf(); @@ -67,7 +67,7 @@ LL | #[deny(warnings)] | ^^^^^^^^ = note: `#[deny(unsafe_op_in_unsafe_fn)]` implied by `#[deny(warnings)]` -error: dereference of raw pointer is unsafe and requires unsafe block (error E0133) +error[E0133]: dereference of raw pointer is unsafe and requires unsafe block --> $DIR/rfc-2585-unsafe_op_in_unsafe_fn.rs:26:5 | LL | *PTR; @@ -76,7 +76,7 @@ LL | *PTR; = note: for more information, see issue #71668 = note: raw pointers may be null, dangling or unaligned; they can violate aliasing rules and cause data races: all of these are undefined behavior -error: use of mutable static is unsafe and requires unsafe block (error E0133) +error[E0133]: use of mutable static is unsafe and requires unsafe block --> $DIR/rfc-2585-unsafe_op_in_unsafe_fn.rs:28:5 | LL | VOID = (); diff --git a/tests/ui/unsafe/unsafe_op_in_unsafe_fn/wrapping-unsafe-block-sugg.stderr b/tests/ui/unsafe/unsafe_op_in_unsafe_fn/wrapping-unsafe-block-sugg.stderr index b9f5969474d0..1ce22ecfdc79 100644 --- a/tests/ui/unsafe/unsafe_op_in_unsafe_fn/wrapping-unsafe-block-sugg.stderr +++ b/tests/ui/unsafe/unsafe_op_in_unsafe_fn/wrapping-unsafe-block-sugg.stderr @@ -1,4 +1,4 @@ -error: call to unsafe function `unsf` is unsafe and requires unsafe block (error E0133) +error[E0133]: call to unsafe function `unsf` is unsafe and requires unsafe block --> $DIR/wrapping-unsafe-block-sugg.rs:13:5 | LL | unsf(); @@ -17,7 +17,7 @@ note: the lint level is defined here LL | #![deny(unsafe_op_in_unsafe_fn)] | ^^^^^^^^^^^^^^^^^^^^^^ -error: call to unsafe function `unsf` is unsafe and requires unsafe block (error E0133) +error[E0133]: call to unsafe function `unsf` is unsafe and requires unsafe block --> $DIR/wrapping-unsafe-block-sugg.rs:17:5 | LL | unsf(); @@ -26,7 +26,7 @@ LL | unsf(); = note: for more information, see issue #71668 = note: consult the function's documentation for information on how to avoid undefined behavior -error: dereference of raw pointer is unsafe and requires unsafe block (error E0133) +error[E0133]: dereference of raw pointer is unsafe and requires unsafe block --> $DIR/wrapping-unsafe-block-sugg.rs:25:13 | LL | let y = *x; @@ -40,7 +40,7 @@ note: an unsafe function restricts its caller, but its body is safe by default LL | pub unsafe fn bar(x: *const i32) -> i32 { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: dereference of raw pointer is unsafe and requires unsafe block (error E0133) +error[E0133]: dereference of raw pointer is unsafe and requires unsafe block --> $DIR/wrapping-unsafe-block-sugg.rs:29:9 | LL | y + *x @@ -49,7 +49,7 @@ LL | y + *x = note: for more information, see issue #71668 = note: raw pointers may be null, dangling or unaligned; they can violate aliasing rules and cause data races: all of these are undefined behavior -error: use of mutable static is unsafe and requires unsafe block (error E0133) +error[E0133]: use of mutable static is unsafe and requires unsafe block --> $DIR/wrapping-unsafe-block-sugg.rs:38:13 | LL | let y = BAZ; @@ -63,7 +63,7 @@ note: an unsafe function restricts its caller, but its body is safe by default LL | pub unsafe fn baz() -> i32 { | ^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: use of mutable static is unsafe and requires unsafe block (error E0133) +error[E0133]: use of mutable static is unsafe and requires unsafe block --> $DIR/wrapping-unsafe-block-sugg.rs:42:9 | LL | y + BAZ @@ -72,7 +72,7 @@ LL | y + BAZ = note: for more information, see issue #71668 = note: mutable statics can be mutated by multiple threads: aliasing violations or data races will cause undefined behavior -error: call to unsafe function `unsf` is unsafe and requires unsafe block (error E0133) +error[E0133]: call to unsafe function `unsf` is unsafe and requires unsafe block --> $DIR/wrapping-unsafe-block-sugg.rs:48:36 | LL | macro_rules! unsafe_macro { () => (unsf()) } @@ -90,7 +90,7 @@ LL | pub unsafe fn unsafe_in_macro() { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: this error originates in the macro `unsafe_macro` (in Nightly builds, run with -Z macro-backtrace for more info) -error: call to unsafe function `unsf` is unsafe and requires unsafe block (error E0133) +error[E0133]: call to unsafe function `unsf` is unsafe and requires unsafe block --> $DIR/wrapping-unsafe-block-sugg.rs:48:36 | LL | macro_rules! unsafe_macro { () => (unsf()) } @@ -105,3 +105,4 @@ LL | unsafe_macro!(); error: aborting due to 8 previous errors +For more information about this error, try `rustc --explain E0133`. From 07b7cd62c70ef6ec111e9a7182cb83ec0209460e Mon Sep 17 00:00:00 2001 From: Eric Huss Date: Sun, 17 Mar 2024 15:46:40 -0700 Subject: [PATCH 0424/1716] Add some tests for public-private dependencies. --- .../auxiliary/diamond_priv_dep.rs | 9 +++ .../pub-priv-dep/auxiliary/diamond_pub_dep.rs | 9 +++ .../pub-priv-dep/auxiliary/indirect1.rs | 4 ++ .../pub-priv-dep/auxiliary/indirect2.rs | 4 ++ tests/ui/privacy/pub-priv-dep/auxiliary/pm.rs | 22 ++++++ .../pub-priv-dep/auxiliary/priv_dep.rs | 9 +++ .../pub-priv-dep/auxiliary/reexport.rs | 5 ++ .../privacy/pub-priv-dep/auxiliary/shared.rs | 1 + tests/ui/privacy/pub-priv-dep/diamond_deps.rs | 48 +++++++++++++ .../privacy/pub-priv-dep/diamond_deps.stderr | 14 ++++ tests/ui/privacy/pub-priv-dep/pub-priv1.rs | 67 ++++++++++++++++++- .../ui/privacy/pub-priv-dep/pub-priv1.stderr | 62 +++++++++++++++-- .../pub-priv-dep/reexport_from_priv.rs | 15 +++++ .../pub-priv-dep/shared_both_private.rs | 32 +++++++++ .../pub-priv-dep/shared_direct_private.rs | 39 +++++++++++ .../privacy/pub-priv-dep/shared_indirect.rs | 29 ++++++++ 16 files changed, 360 insertions(+), 9 deletions(-) create mode 100644 tests/ui/privacy/pub-priv-dep/auxiliary/diamond_priv_dep.rs create mode 100644 tests/ui/privacy/pub-priv-dep/auxiliary/diamond_pub_dep.rs create mode 100644 tests/ui/privacy/pub-priv-dep/auxiliary/indirect1.rs create mode 100644 tests/ui/privacy/pub-priv-dep/auxiliary/indirect2.rs create mode 100644 tests/ui/privacy/pub-priv-dep/auxiliary/pm.rs create mode 100644 tests/ui/privacy/pub-priv-dep/auxiliary/reexport.rs create mode 100644 tests/ui/privacy/pub-priv-dep/auxiliary/shared.rs create mode 100644 tests/ui/privacy/pub-priv-dep/diamond_deps.rs create mode 100644 tests/ui/privacy/pub-priv-dep/diamond_deps.stderr create mode 100644 tests/ui/privacy/pub-priv-dep/reexport_from_priv.rs create mode 100644 tests/ui/privacy/pub-priv-dep/shared_both_private.rs create mode 100644 tests/ui/privacy/pub-priv-dep/shared_direct_private.rs create mode 100644 tests/ui/privacy/pub-priv-dep/shared_indirect.rs diff --git a/tests/ui/privacy/pub-priv-dep/auxiliary/diamond_priv_dep.rs b/tests/ui/privacy/pub-priv-dep/auxiliary/diamond_priv_dep.rs new file mode 100644 index 000000000000..ed76815a6ac8 --- /dev/null +++ b/tests/ui/privacy/pub-priv-dep/auxiliary/diamond_priv_dep.rs @@ -0,0 +1,9 @@ +//@ aux-crate:shared=shared.rs + +extern crate shared; + +pub use shared::Shared; + +pub struct SharedInType { + pub f: Shared +} diff --git a/tests/ui/privacy/pub-priv-dep/auxiliary/diamond_pub_dep.rs b/tests/ui/privacy/pub-priv-dep/auxiliary/diamond_pub_dep.rs new file mode 100644 index 000000000000..ed76815a6ac8 --- /dev/null +++ b/tests/ui/privacy/pub-priv-dep/auxiliary/diamond_pub_dep.rs @@ -0,0 +1,9 @@ +//@ aux-crate:shared=shared.rs + +extern crate shared; + +pub use shared::Shared; + +pub struct SharedInType { + pub f: Shared +} diff --git a/tests/ui/privacy/pub-priv-dep/auxiliary/indirect1.rs b/tests/ui/privacy/pub-priv-dep/auxiliary/indirect1.rs new file mode 100644 index 000000000000..0e4a73c7fc01 --- /dev/null +++ b/tests/ui/privacy/pub-priv-dep/auxiliary/indirect1.rs @@ -0,0 +1,4 @@ +//@ aux-crate:priv:indirect2=indirect2.rs +//@ compile-flags: -Zunstable-options + +extern crate indirect2; diff --git a/tests/ui/privacy/pub-priv-dep/auxiliary/indirect2.rs b/tests/ui/privacy/pub-priv-dep/auxiliary/indirect2.rs new file mode 100644 index 000000000000..5f6b289eb141 --- /dev/null +++ b/tests/ui/privacy/pub-priv-dep/auxiliary/indirect2.rs @@ -0,0 +1,4 @@ +//@ aux-crate:shared=shared.rs + +// This is public. +extern crate shared; diff --git a/tests/ui/privacy/pub-priv-dep/auxiliary/pm.rs b/tests/ui/privacy/pub-priv-dep/auxiliary/pm.rs new file mode 100644 index 000000000000..9e2aa898afe8 --- /dev/null +++ b/tests/ui/privacy/pub-priv-dep/auxiliary/pm.rs @@ -0,0 +1,22 @@ +//@ force-host +//@ no-prefer-dynamic + +#![crate_type = "proc-macro"] + +extern crate proc_macro; +use proc_macro::TokenStream; + +#[proc_macro] +pub fn fn_like(input: TokenStream) -> TokenStream { + "".parse().unwrap() +} + +#[proc_macro_derive(PmDerive)] +pub fn pm_derive(item: TokenStream) -> TokenStream { + "".parse().unwrap() +} + +#[proc_macro_attribute] +pub fn pm_attr(attr: TokenStream, item: TokenStream) -> TokenStream { + "".parse().unwrap() +} diff --git a/tests/ui/privacy/pub-priv-dep/auxiliary/priv_dep.rs b/tests/ui/privacy/pub-priv-dep/auxiliary/priv_dep.rs index e7afeb84fb4f..4eeecdc05697 100644 --- a/tests/ui/privacy/pub-priv-dep/auxiliary/priv_dep.rs +++ b/tests/ui/privacy/pub-priv-dep/auxiliary/priv_dep.rs @@ -1,2 +1,11 @@ pub struct OtherType; pub trait OtherTrait {} + +#[macro_export] +macro_rules! m { + () => {}; +} + +pub enum E { + V1 +} diff --git a/tests/ui/privacy/pub-priv-dep/auxiliary/reexport.rs b/tests/ui/privacy/pub-priv-dep/auxiliary/reexport.rs new file mode 100644 index 000000000000..0655e3ae2cfd --- /dev/null +++ b/tests/ui/privacy/pub-priv-dep/auxiliary/reexport.rs @@ -0,0 +1,5 @@ +//@ aux-crate:shared=shared.rs + +extern crate shared; + +pub use shared::Shared; diff --git a/tests/ui/privacy/pub-priv-dep/auxiliary/shared.rs b/tests/ui/privacy/pub-priv-dep/auxiliary/shared.rs new file mode 100644 index 000000000000..efc4daa7befb --- /dev/null +++ b/tests/ui/privacy/pub-priv-dep/auxiliary/shared.rs @@ -0,0 +1 @@ +pub struct Shared; diff --git a/tests/ui/privacy/pub-priv-dep/diamond_deps.rs b/tests/ui/privacy/pub-priv-dep/diamond_deps.rs new file mode 100644 index 000000000000..0e1f6f36bc8c --- /dev/null +++ b/tests/ui/privacy/pub-priv-dep/diamond_deps.rs @@ -0,0 +1,48 @@ +//@ aux-crate:priv:diamond_priv_dep=diamond_priv_dep.rs +//@ aux-crate:diamond_pub_dep=diamond_pub_dep.rs +//@ compile-flags: -Zunstable-options + +// A diamond dependency: +// +// diamond_reepxort +// /\ +// (public) / \ (PRIVATE) +// / \ +// diamond_pub_dep diamond_priv_dep +// \ / +// (public) \ / (public) +// \/ +// shared +// +// Where the pub and private crates reexport something from the shared crate. +// +// Checks the behavior when the same shared item appears in the public API, +// depending on whether it comes from the public side or the private side. +// +// NOTE: compiletest does not support deduplicating shared dependencies. +// However, it should work well enough for this test, the only downside is +// that diamond_shared gets built twice. + +#![crate_type = "lib"] +#![deny(exported_private_dependencies)] + +extern crate diamond_priv_dep; +extern crate diamond_pub_dep; + +// FIXME: This should trigger. +pub fn leaks_priv() -> diamond_priv_dep::Shared { + diamond_priv_dep::Shared +} + +pub fn leaks_pub() -> diamond_pub_dep::Shared { + diamond_pub_dep::Shared +} + +pub struct PrivInStruct { + pub f: diamond_priv_dep::SharedInType +//~^ ERROR type `diamond_priv_dep::SharedInType` from private dependency 'diamond_priv_dep' in public interface +} + +pub struct PubInStruct { + pub f: diamond_pub_dep::SharedInType +} diff --git a/tests/ui/privacy/pub-priv-dep/diamond_deps.stderr b/tests/ui/privacy/pub-priv-dep/diamond_deps.stderr new file mode 100644 index 000000000000..8a6d35a747b6 --- /dev/null +++ b/tests/ui/privacy/pub-priv-dep/diamond_deps.stderr @@ -0,0 +1,14 @@ +error: type `diamond_priv_dep::SharedInType` from private dependency 'diamond_priv_dep' in public interface + --> $DIR/diamond_deps.rs:42:5 + | +LL | pub f: diamond_priv_dep::SharedInType + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +note: the lint level is defined here + --> $DIR/diamond_deps.rs:27:9 + | +LL | #![deny(exported_private_dependencies)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 1 previous error + diff --git a/tests/ui/privacy/pub-priv-dep/pub-priv1.rs b/tests/ui/privacy/pub-priv-dep/pub-priv1.rs index f26dbb47ba5e..112eaf528be2 100644 --- a/tests/ui/privacy/pub-priv-dep/pub-priv1.rs +++ b/tests/ui/privacy/pub-priv-dep/pub-priv1.rs @@ -1,12 +1,20 @@ //@ aux-crate:priv:priv_dep=priv_dep.rs //@ aux-build:pub_dep.rs +//@ aux-crate:priv:pm=pm.rs //@ compile-flags: -Zunstable-options + +// Basic behavior check of exported_private_dependencies from either a public +// dependency or a private one. + #![deny(exported_private_dependencies)] // This crate is a private dependency -extern crate priv_dep; +// FIXME: This should trigger. +pub extern crate priv_dep; // This crate is a public dependency extern crate pub_dep; +// This crate is a private dependency +extern crate pm; use priv_dep::{OtherTrait, OtherType}; use pub_dep::PubType; @@ -25,7 +33,10 @@ pub struct PublicType { } impl PublicType { - pub fn pub_fn(param: OtherType) {} + pub fn pub_fn_param(param: OtherType) {} + //~^ ERROR type `OtherType` from private dependency 'priv_dep' in public interface + + pub fn pub_fn_return() -> OtherType { OtherType } //~^ ERROR type `OtherType` from private dependency 'priv_dep' in public interface fn priv_fn(param: OtherType) {} @@ -36,9 +47,61 @@ pub trait MyPubTrait { } //~^^ ERROR trait `OtherTrait` from private dependency 'priv_dep' in public interface +pub trait WithSuperTrait: OtherTrait {} +//~^ ERROR trait `OtherTrait` from private dependency 'priv_dep' in public interface + +pub trait PubLocalTraitWithAssoc { + type X; +} + +pub struct PrivateAssoc; +impl PubLocalTraitWithAssoc for PrivateAssoc { + type X = OtherType; +//~^ ERROR type `OtherType` from private dependency 'priv_dep' in public interface +} + +pub fn in_bounds(x: T) { unimplemented!() } +//~^ ERROR trait `OtherTrait` from private dependency 'priv_dep' in public interface + +pub fn private_in_generic() -> std::num::Saturating { unimplemented!() } +//~^ ERROR type `OtherType` from private dependency 'priv_dep' in public interface + +pub static STATIC: OtherType = OtherType; +//~^ ERROR type `OtherType` from private dependency 'priv_dep' in public interface + +pub const CONST: OtherType = OtherType; +//~^ ERROR type `OtherType` from private dependency 'priv_dep' in public interface + +pub type Alias = OtherType; +//~^ ERROR type `OtherType` from private dependency 'priv_dep' in public interface + +pub struct PublicWithPrivateImpl; + +// FIXME: This should trigger. +// See https://github.com/rust-lang/rust/issues/71043 +impl OtherTrait for PublicWithPrivateImpl {} + +pub trait PubTraitOnPrivate {} + +// FIXME: This should trigger. +// See https://github.com/rust-lang/rust/issues/71043 +impl PubTraitOnPrivate for OtherType {} + pub struct AllowedPrivType { #[allow(exported_private_dependencies)] pub allowed: OtherType, } +// FIXME: This should trigger. +pub use priv_dep::m; +// FIXME: This should trigger. +pub use pm::fn_like; +// FIXME: This should trigger. +pub use pm::PmDerive; +// FIXME: This should trigger. +pub use pm::pm_attr; + +// FIXME: This should trigger. +pub use priv_dep::E::V1; + fn main() {} diff --git a/tests/ui/privacy/pub-priv-dep/pub-priv1.stderr b/tests/ui/privacy/pub-priv-dep/pub-priv1.stderr index e62a440d8f56..53d461a5774a 100644 --- a/tests/ui/privacy/pub-priv-dep/pub-priv1.stderr +++ b/tests/ui/privacy/pub-priv-dep/pub-priv1.stderr @@ -1,26 +1,74 @@ error: type `OtherType` from private dependency 'priv_dep' in public interface - --> $DIR/pub-priv1.rs:21:5 + --> $DIR/pub-priv1.rs:29:5 | LL | pub field: OtherType, | ^^^^^^^^^^^^^^^^^^^^ | note: the lint level is defined here - --> $DIR/pub-priv1.rs:4:9 + --> $DIR/pub-priv1.rs:9:9 | LL | #![deny(exported_private_dependencies)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: type `OtherType` from private dependency 'priv_dep' in public interface - --> $DIR/pub-priv1.rs:28:5 + --> $DIR/pub-priv1.rs:36:5 | -LL | pub fn pub_fn(param: OtherType) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | pub fn pub_fn_param(param: OtherType) {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: type `OtherType` from private dependency 'priv_dep' in public interface + --> $DIR/pub-priv1.rs:39:5 + | +LL | pub fn pub_fn_return() -> OtherType { OtherType } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: trait `OtherTrait` from private dependency 'priv_dep' in public interface - --> $DIR/pub-priv1.rs:35:5 + --> $DIR/pub-priv1.rs:46:5 | LL | type Foo: OtherTrait; | ^^^^^^^^^^^^^^^^^^^^ -error: aborting due to 3 previous errors +error: trait `OtherTrait` from private dependency 'priv_dep' in public interface + --> $DIR/pub-priv1.rs:50:1 + | +LL | pub trait WithSuperTrait: OtherTrait {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: type `OtherType` from private dependency 'priv_dep' in public interface + --> $DIR/pub-priv1.rs:59:5 + | +LL | type X = OtherType; + | ^^^^^^ + +error: trait `OtherTrait` from private dependency 'priv_dep' in public interface + --> $DIR/pub-priv1.rs:63:1 + | +LL | pub fn in_bounds(x: T) { unimplemented!() } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: type `OtherType` from private dependency 'priv_dep' in public interface + --> $DIR/pub-priv1.rs:66:1 + | +LL | pub fn private_in_generic() -> std::num::Saturating { unimplemented!() } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: type `OtherType` from private dependency 'priv_dep' in public interface + --> $DIR/pub-priv1.rs:69:1 + | +LL | pub static STATIC: OtherType = OtherType; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: type `OtherType` from private dependency 'priv_dep' in public interface + --> $DIR/pub-priv1.rs:72:1 + | +LL | pub const CONST: OtherType = OtherType; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: type `OtherType` from private dependency 'priv_dep' in public interface + --> $DIR/pub-priv1.rs:75:1 + | +LL | pub type Alias = OtherType; + | ^^^^^^^^^^^^^^ + +error: aborting due to 11 previous errors diff --git a/tests/ui/privacy/pub-priv-dep/reexport_from_priv.rs b/tests/ui/privacy/pub-priv-dep/reexport_from_priv.rs new file mode 100644 index 000000000000..3c6e9825e728 --- /dev/null +++ b/tests/ui/privacy/pub-priv-dep/reexport_from_priv.rs @@ -0,0 +1,15 @@ +//@ aux-crate:priv:reexport=reexport.rs +//@ compile-flags: -Zunstable-options +//@ check-pass + +// Checks the behavior of a reexported item from a private dependency. + +#![crate_type = "lib"] +#![deny(exported_private_dependencies)] + +extern crate reexport; + +// FIXME: This should trigger. +pub fn leaks_priv() -> reexport::Shared { + reexport::Shared +} diff --git a/tests/ui/privacy/pub-priv-dep/shared_both_private.rs b/tests/ui/privacy/pub-priv-dep/shared_both_private.rs new file mode 100644 index 000000000000..20a4b85c01e8 --- /dev/null +++ b/tests/ui/privacy/pub-priv-dep/shared_both_private.rs @@ -0,0 +1,32 @@ +//@ aux-crate:priv:shared=shared.rs +//@ aux-crate:reexport=reexport.rs +//@ compile-flags: -Zunstable-options +//@ check-pass + +// A shared dependency, where a private dependency reexports a public dependency. +// +// shared_both_private +// /\ +// (PRIVATE) / | (PRIVATE) +// / | +// reexport | +// \ | +// (public) \ / +// \/ +// shared + +#![crate_type = "lib"] +#![deny(exported_private_dependencies)] + +extern crate shared; +extern crate reexport; + +// FIXME: This should trigger. +pub fn leaks_priv() -> shared::Shared { + shared::Shared +} + +// FIXME: This should trigger. +pub fn leaks_priv_reexport() -> reexport::Shared { + reexport::Shared +} diff --git a/tests/ui/privacy/pub-priv-dep/shared_direct_private.rs b/tests/ui/privacy/pub-priv-dep/shared_direct_private.rs new file mode 100644 index 000000000000..b329a7acb583 --- /dev/null +++ b/tests/ui/privacy/pub-priv-dep/shared_direct_private.rs @@ -0,0 +1,39 @@ +//@ aux-crate:priv:shared=shared.rs +//@ aux-crate:reexport=reexport.rs +//@ compile-flags: -Zunstable-options +//@ check-pass + +// A shared dependency, where the public side reexports the same item as a +// direct private dependency. +// +// shared_direct_private +// /\ +// (public) / | (PRIVATE) +// / | +// reexport | +// \ | +// (public) \ / +// \/ +// shared +// + +#![crate_type = "lib"] +#![deny(exported_private_dependencies)] + +extern crate shared; +extern crate reexport; + +// FIXME: Should this trigger? +// +// One could make an argument that I said I want "reexport" to be public, and +// since "reexport" says "shared_direct_private" is public, then it should +// transitively be public for me. However, as written, this is explicitly +// referring to a dependency that is marked "private", which I think is +// confusing. +pub fn leaks_priv() -> shared::Shared { + shared::Shared +} + +pub fn leaks_pub() -> reexport::Shared { + reexport::Shared +} diff --git a/tests/ui/privacy/pub-priv-dep/shared_indirect.rs b/tests/ui/privacy/pub-priv-dep/shared_indirect.rs new file mode 100644 index 000000000000..34b624b4a1a4 --- /dev/null +++ b/tests/ui/privacy/pub-priv-dep/shared_indirect.rs @@ -0,0 +1,29 @@ +//@ aux-crate:priv:shared=shared.rs +//@ aux-crate:priv:indirect1=indirect1.rs +//@ compile-flags: -Zunstable-options +//@ check-pass + +// A shared dependency, where it is only indirectly public. +// +// shared_indirect +// /\ +// (PRIVATE) / | (PRIVATE) +// / | +// indirect1 | | +// (PRIVATE) | | +// indirect2 | | +// \ | +// (public) \ / +// \/ +// shared + +#![crate_type = "lib"] +#![deny(exported_private_dependencies)] + +extern crate shared; +extern crate indirect1; + +// FIXME: This should trigger. +pub fn leaks_priv() -> shared::Shared { + shared::Shared +} From 2c9fc62b817783b24312b21f125448abb73ded9b Mon Sep 17 00:00:00 2001 From: Chris Krycho Date: Mon, 20 May 2024 13:29:31 -0600 Subject: [PATCH 0425/1716] Support mdBook preprocessors for TRPL in rustbook `rust-lang/book` recently added two mdBook preprocessors. Enable `rustbook` to use those preprocessors for books where they are requested by the `book.toml` by adding the preprocessors as path dependencies, and ignoring them where they are not requested, i.e. by all the books other than TRPL at present. --- Cargo.lock | 152 ++++++++++++++++++++++++++++++++- src/doc/book | 2 +- src/tools/rustbook/Cargo.toml | 2 + src/tools/rustbook/src/main.rs | 11 +++ 4 files changed, 164 insertions(+), 3 deletions(-) diff --git a/Cargo.lock b/Cargo.lock index 3a4f028e695f..66e9a7dcdba7 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -275,6 +275,21 @@ dependencies = [ "nom", ] +[[package]] +name = "assert_cmd" +version = "2.0.14" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ed72493ac66d5804837f480ab3766c72bdfab91a65e565fc54fa9e42db0073a8" +dependencies = [ + "anstyle", + "bstr", + "doc-comment", + "predicates", + "predicates-core", + "predicates-tree", + "wait-timeout", +] + [[package]] name = "autocfg" version = "1.3.0" @@ -1086,6 +1101,12 @@ version = "0.1.13" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "56254986775e3233ffa9c4d7d3faaf6d36a2c09d30b20687e9f88bc8bafc16c8" +[[package]] +name = "difflib" +version = "0.4.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "6184e33543162437515c2e2b48714794e37845ec9851711914eec9d308f6ebe8" + [[package]] name = "digest" version = "0.10.7" @@ -1188,6 +1209,12 @@ dependencies = [ "windows-sys 0.52.0", ] +[[package]] +name = "doc-comment" +version = "0.3.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "fea41bba32d969b513997752735605054bc0dfa92b4c56bf1189f2e174be7a10" + [[package]] name = "either" version = "1.12.0" @@ -2317,6 +2344,33 @@ dependencies = [ "topological-sort", ] +[[package]] +name = "mdbook-trpl-listing" +version = "0.1.0" +dependencies = [ + "assert_cmd", + "clap", + "mdbook", + "pulldown-cmark 0.10.3", + "pulldown-cmark-to-cmark", + "serde_json", + "thiserror", + "toml 0.8.13", + "xmlparser", +] + +[[package]] +name = "mdbook-trpl-note" +version = "1.0.0" +dependencies = [ + "assert_cmd", + "clap", + "mdbook", + "pulldown-cmark 0.10.3", + "pulldown-cmark-to-cmark", + "serde_json", +] + [[package]] name = "measureme" version = "11.0.1" @@ -2929,6 +2983,33 @@ version = "0.1.1" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "925383efa346730478fb4838dbe9137d2a47675ad789c546d150a6e1dd4ab31c" +[[package]] +name = "predicates" +version = "3.1.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "68b87bfd4605926cdfefc1c3b5f8fe560e3feca9d5552cf68c466d3d8236c7e8" +dependencies = [ + "anstyle", + "difflib", + "predicates-core", +] + +[[package]] +name = "predicates-core" +version = "1.0.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b794032607612e7abeb4db69adb4e33590fa6cf1149e95fd7cb00e634b92f174" + +[[package]] +name = "predicates-tree" +version = "1.0.9" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "368ba315fb8c5052ab692e68a0eefec6ec57b23a36959c14496f0b0df2c0cecf" +dependencies = [ + "predicates-core", + "termtree", +] + [[package]] name = "prettydiff" version = "0.6.4" @@ -2998,6 +3079,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "76979bea66e7875e7509c4ec5300112b316af87fa7a252ca91c448b32dfe3993" dependencies = [ "bitflags 2.5.0", + "getopts", "memchr", "pulldown-cmark-escape", "unicase", @@ -3009,6 +3091,15 @@ version = "0.10.1" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "bd348ff538bc9caeda7ee8cad2d1d48236a1f443c1fa3913c6a02fe0043b1dd3" +[[package]] +name = "pulldown-cmark-to-cmark" +version = "13.0.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f609795c8d835f79dcfcf768415b9fb57ef1b74891e99f86e73f43a7a257163b" +dependencies = [ + "pulldown-cmark 0.10.3", +] + [[package]] name = "punycode" version = "0.4.1" @@ -3256,6 +3347,8 @@ dependencies = [ "clap", "env_logger", "mdbook", + "mdbook-trpl-listing", + "mdbook-trpl-note", ] [[package]] @@ -5363,6 +5456,12 @@ dependencies = [ "winapi", ] +[[package]] +name = "termtree" +version = "0.4.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3369f5ac52d5eb6ab48c6b4ffdc8efbcad6b89c765749064ba298f2c68a16a76" + [[package]] name = "test" version = "0.0.0" @@ -5535,7 +5634,19 @@ dependencies = [ "serde", "serde_spanned", "toml_datetime", - "toml_edit", + "toml_edit 0.19.15", +] + +[[package]] +name = "toml" +version = "0.8.13" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a4e43f8cc456c9704c851ae29c67e17ef65d2c30017c17a9765b89c382dc8bba" +dependencies = [ + "serde", + "serde_spanned", + "toml_datetime", + "toml_edit 0.22.13", ] [[package]] @@ -5557,7 +5668,20 @@ dependencies = [ "serde", "serde_spanned", "toml_datetime", - "winnow", + "winnow 0.5.40", +] + +[[package]] +name = "toml_edit" +version = "0.22.13" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c127785850e8c20836d49732ae6abfa47616e60bf9d9f57c43c250361a9db96c" +dependencies = [ + "indexmap", + "serde", + "serde_spanned", + "toml_datetime", + "winnow 0.6.8", ] [[package]] @@ -5967,6 +6091,15 @@ version = "0.9.4" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f" +[[package]] +name = "wait-timeout" +version = "0.2.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9f200f5b12eb75f8c1ed65abd4b2db8a6e1b138a20de009dacee265a2498f3f6" +dependencies = [ + "libc", +] + [[package]] name = "walkdir" version = "2.5.0" @@ -6279,6 +6412,15 @@ dependencies = [ "memchr", ] +[[package]] +name = "winnow" +version = "0.6.8" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c3c52e9c97a68071b23e836c9380edae937f17b9c4667bd021973efc689f618d" +dependencies = [ + "memchr", +] + [[package]] name = "writeable" version = "0.5.4" @@ -6296,6 +6438,12 @@ dependencies = [ "rustix", ] +[[package]] +name = "xmlparser" +version = "0.13.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "66fee0b777b0f5ac1c69bb06d361268faafa61cd4682ae064a171c16c433e9e4" + [[package]] name = "xz2" version = "0.1.7" diff --git a/src/doc/book b/src/doc/book index 5e9051f71638..85442a608426 160000 --- a/src/doc/book +++ b/src/doc/book @@ -1 +1 @@ -Subproject commit 5e9051f71638aa941cd5dda465e25c61cde9594f +Subproject commit 85442a608426d3667f1c9458ad457b241a36b569 diff --git a/src/tools/rustbook/Cargo.toml b/src/tools/rustbook/Cargo.toml index 2ef9004c476e..2b0dd0062b90 100644 --- a/src/tools/rustbook/Cargo.toml +++ b/src/tools/rustbook/Cargo.toml @@ -7,6 +7,8 @@ edition = "2021" [dependencies] clap = "4.0.32" env_logger = "0.11" +mdbook-trpl-listing = { path = "../../doc/book/packages/mdbook-trpl-listing" } +mdbook-trpl-note = { path = "../../doc/book/packages/mdbook-trpl-note" } [dependencies.mdbook] version = "0.4.37" diff --git a/src/tools/rustbook/src/main.rs b/src/tools/rustbook/src/main.rs index 1368ec653de1..9a06754e4a66 100644 --- a/src/tools/rustbook/src/main.rs +++ b/src/tools/rustbook/src/main.rs @@ -8,6 +8,9 @@ use clap::{arg, ArgMatches, Command}; use mdbook::errors::Result as Result3; use mdbook::MDBook; +use mdbook_trpl_listing::TrplListing; +use mdbook_trpl_note::TrplNote; + fn main() { let crate_version = concat!("v", crate_version!()); env_logger::Builder::from_env(env_logger::Env::default().default_filter_or("warn")).init(); @@ -67,6 +70,14 @@ pub fn build(args: &ArgMatches) -> Result3<()> { book.config.build.build_dir = dest_dir.into(); } + if book.config.get_preprocessor("trpl-note").is_some() { + book.with_preprocessor(TrplNote); + } + + if book.config.get_preprocessor("trpl-listing").is_some() { + book.with_preprocessor(TrplListing); + } + book.build()?; Ok(()) From cfa150b0ddc28ea3723a3b4d0916e729dcea3246 Mon Sep 17 00:00:00 2001 From: Kevin Reid Date: Wed, 22 May 2024 18:03:18 -0700 Subject: [PATCH 0426/1716] Rephrase and expand `empty_enum` documentation. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * Remove incorrect claim that “wrappers around it are the conventional way to define an uninhabited type”. * Discuss why one would use `!`, a newtype struct, or keep the enum. * Add links to relevant documentation. --- clippy_lints/src/empty_enum.rs | 45 +++++++++++++++++++++++++--------- 1 file changed, 33 insertions(+), 12 deletions(-) diff --git a/clippy_lints/src/empty_enum.rs b/clippy_lints/src/empty_enum.rs index 420888b6ccb3..d16714695cb7 100644 --- a/clippy_lints/src/empty_enum.rs +++ b/clippy_lints/src/empty_enum.rs @@ -7,32 +7,53 @@ use rustc_session::declare_lint_pass; declare_clippy_lint! { /// ### What it does - /// Checks for `enum`s with no variants. + /// Checks for `enum`s with no variants, which therefore are uninhabited types + /// (cannot be instantiated). /// - /// As of this writing, the `never_type` is still a - /// nightly-only experimental API. Therefore, this lint is only triggered - /// if the `never_type` is enabled. + /// As of this writing, the `never_type` is still a nightly-only experimental API. + /// Therefore, this lint is only triggered if `#![feature(never_type)]` is enabled. /// /// ### Why is this bad? - /// If you want to introduce a type which - /// can't be instantiated, you should use `!` (the primitive type "never"), - /// or a wrapper around it, because `!` has more extensive - /// compiler support (type inference, etc...) and wrappers - /// around it are the conventional way to define an uninhabited type. - /// For further information visit [never type documentation](https://doc.rust-lang.org/std/primitive.never.html) + /// * If you only want a type which can’t be instantiated, you should use [`!`] + /// (the primitive type "never"), because [`!`] has more extensive compiler support + /// (type inference, etc.) and implementations of common traits. /// + /// * If you need to introduce a distinct type, consider using a [newtype] `struct` + /// containing [`!`] instead (`struct MyType(pub !)`), because it is more idiomatic + /// to use a `struct` rather than an `enum` when an `enum` is unnecessary. + /// + /// If you do this, note that the [visibility] of the [`!`] field determines whether + /// the uninhabitedness is visible in documentation, and whether it can be pattern + /// matched to mark code unreachable. If the field is not visible, then the struct + /// acts like any other struct with private fields. + /// + /// * If the enum has no variants only because all variants happen to be + /// [disabled by conditional compilation][cfg], then it would be appropriate + /// to allow the lint, with `#[allow(empty_enum)]`. + /// + /// For further information, visit + /// [the never type’s documentation][`!`]. /// /// ### Example /// ```no_run - /// enum Test {} + /// enum CannotExist {} /// ``` /// /// Use instead: /// ```no_run /// #![feature(never_type)] /// - /// struct Test(!); + /// /// Use the `!` type directly... + /// type CannotExist = !; + /// + /// /// ...or define a newtype which is distinct. + /// struct CannotExist2(pub !); /// ``` + /// + /// [`!`]: https://doc.rust-lang.org/std/primitive.never.html + /// [cfg]: https://doc.rust-lang.org/reference/conditional-compilation.html + /// [newtype]: https://doc.rust-lang.org/book/ch19-04-advanced-types.html#using-the-newtype-pattern-for-type-safety-and-abstraction + /// [visibility]: https://doc.rust-lang.org/reference/visibility-and-privacy.html #[clippy::version = "pre 1.29.0"] pub EMPTY_ENUM, pedantic, From 96968350e17efdbb9958dbeaec4982d8cca0019d Mon Sep 17 00:00:00 2001 From: r0cky Date: Thu, 23 May 2024 09:06:43 +0800 Subject: [PATCH 0427/1716] Detect unused structs which implement private traits --- compiler/rustc_passes/src/dead.rs | 49 +++++++++++++------ .../lint/dead-code/unused-adt-impls-trait.rs | 34 +++++++++++++ .../dead-code/unused-adt-impls-trait.stderr | 14 ++++++ .../ui/rust-2021/inherent-dyn-collision.fixed | 1 + tests/ui/rust-2021/inherent-dyn-collision.rs | 1 + .../rust-2021/inherent-dyn-collision.stderr | 2 +- 6 files changed, 84 insertions(+), 17 deletions(-) create mode 100644 tests/ui/lint/dead-code/unused-adt-impls-trait.rs create mode 100644 tests/ui/lint/dead-code/unused-adt-impls-trait.stderr diff --git a/compiler/rustc_passes/src/dead.rs b/compiler/rustc_passes/src/dead.rs index 933412f677ce..ddc50e2b811a 100644 --- a/compiler/rustc_passes/src/dead.rs +++ b/compiler/rustc_passes/src/dead.rs @@ -425,10 +425,11 @@ impl<'tcx> MarkSymbolVisitor<'tcx> { && let ItemKind::Impl(impl_ref) = self.tcx.hir().expect_item(local_impl_id).kind { - if self.tcx.visibility(trait_id).is_public() - && matches!(trait_item.kind, hir::TraitItemKind::Fn(..)) + if matches!(trait_item.kind, hir::TraitItemKind::Fn(..)) && !ty_ref_to_pub_struct(self.tcx, impl_ref.self_ty) { + // skip methods of private ty, + // they would be solved in `solve_rest_impl_items` continue; } @@ -485,32 +486,46 @@ impl<'tcx> MarkSymbolVisitor<'tcx> { fn solve_rest_impl_items(&mut self, mut unsolved_impl_items: Vec<(hir::ItemId, LocalDefId)>) { let mut ready; - (ready, unsolved_impl_items) = unsolved_impl_items - .into_iter() - .partition(|&(impl_id, _)| self.impl_item_with_used_self(impl_id)); + (ready, unsolved_impl_items) = + unsolved_impl_items.into_iter().partition(|&(impl_id, impl_item_id)| { + self.impl_item_with_used_self(impl_id, impl_item_id) + }); while !ready.is_empty() { self.worklist = ready.into_iter().map(|(_, id)| (id, ComesFromAllowExpect::No)).collect(); self.mark_live_symbols(); - (ready, unsolved_impl_items) = unsolved_impl_items - .into_iter() - .partition(|&(impl_id, _)| self.impl_item_with_used_self(impl_id)); + (ready, unsolved_impl_items) = + unsolved_impl_items.into_iter().partition(|&(impl_id, impl_item_id)| { + self.impl_item_with_used_self(impl_id, impl_item_id) + }); } } - fn impl_item_with_used_self(&mut self, impl_id: hir::ItemId) -> bool { + fn impl_item_with_used_self(&mut self, impl_id: hir::ItemId, impl_item_id: LocalDefId) -> bool { if let TyKind::Path(hir::QPath::Resolved(_, path)) = self.tcx.hir().item(impl_id).expect_impl().self_ty.kind && let Res::Def(def_kind, def_id) = path.res && let Some(local_def_id) = def_id.as_local() && matches!(def_kind, DefKind::Struct | DefKind::Enum | DefKind::Union) { - self.live_symbols.contains(&local_def_id) - } else { - false + if self.tcx.visibility(impl_item_id).is_public() { + // for the public method, we don't know the trait item is used or not, + // so we mark the method live if the self is used + return self.live_symbols.contains(&local_def_id); + } + + if let Some(trait_item_id) = self.tcx.associated_item(impl_item_id).trait_item_def_id + && let Some(local_id) = trait_item_id.as_local() + { + // for the private method, we can know the trait item is used or not, + // so we mark the method live if the self is used and the trait item is used + return self.live_symbols.contains(&local_id) + && self.live_symbols.contains(&local_def_id); + } } + false } } @@ -745,20 +760,22 @@ fn check_item<'tcx>( matches!(fn_sig.decl.implicit_self, hir::ImplicitSelfKind::None); } - // for impl trait blocks, mark associate functions live if the trait is public + // for trait impl blocks, + // mark the method live if the self_ty is public, + // or the method is public and may construct self if of_trait && (!matches!(tcx.def_kind(local_def_id), DefKind::AssocFn) || tcx.visibility(local_def_id).is_public() && (ty_is_pub || may_construct_self)) { worklist.push((local_def_id, ComesFromAllowExpect::No)); - } else if of_trait && tcx.visibility(local_def_id).is_public() { - // pub method && private ty & methods not construct self - unsolved_impl_items.push((id, local_def_id)); } else if let Some(comes_from_allow) = has_allow_dead_code_or_lang_attr(tcx, local_def_id) { worklist.push((local_def_id, comes_from_allow)); + } else if of_trait { + // private method || public method not constructs self + unsolved_impl_items.push((id, local_def_id)); } } } diff --git a/tests/ui/lint/dead-code/unused-adt-impls-trait.rs b/tests/ui/lint/dead-code/unused-adt-impls-trait.rs new file mode 100644 index 000000000000..4714859afac4 --- /dev/null +++ b/tests/ui/lint/dead-code/unused-adt-impls-trait.rs @@ -0,0 +1,34 @@ +#![deny(dead_code)] + +struct Used; +struct Unused; //~ ERROR struct `Unused` is never constructed + +pub trait PubTrait { + fn foo(&self) -> Self; +} + +impl PubTrait for Used { + fn foo(&self) -> Self { Used } +} + +impl PubTrait for Unused { + fn foo(&self) -> Self { Unused } +} + +trait PriTrait { + fn foo(&self) -> Self; +} + +impl PriTrait for Used { + fn foo(&self) -> Self { Used } +} + +impl PriTrait for Unused { + fn foo(&self) -> Self { Unused } +} + +fn main() { + let t = Used; + let _t = ::foo(&t); + let _t = ::foo(&t); +} diff --git a/tests/ui/lint/dead-code/unused-adt-impls-trait.stderr b/tests/ui/lint/dead-code/unused-adt-impls-trait.stderr new file mode 100644 index 000000000000..28bae5c2af09 --- /dev/null +++ b/tests/ui/lint/dead-code/unused-adt-impls-trait.stderr @@ -0,0 +1,14 @@ +error: struct `Unused` is never constructed + --> $DIR/unused-adt-impls-trait.rs:4:8 + | +LL | struct Unused; + | ^^^^^^ + | +note: the lint level is defined here + --> $DIR/unused-adt-impls-trait.rs:1:9 + | +LL | #![deny(dead_code)] + | ^^^^^^^^^ + +error: aborting due to 1 previous error + diff --git a/tests/ui/rust-2021/inherent-dyn-collision.fixed b/tests/ui/rust-2021/inherent-dyn-collision.fixed index f5702613af03..8fe1bf811dbf 100644 --- a/tests/ui/rust-2021/inherent-dyn-collision.fixed +++ b/tests/ui/rust-2021/inherent-dyn-collision.fixed @@ -25,6 +25,7 @@ mod inner { // having a struct of the same name as the trait in-scope, while *also* // implementing the trait for that struct but **without** importing the // trait itself into scope + #[allow(dead_code)] struct TryIntoU32; impl super::TryIntoU32 for TryIntoU32 { diff --git a/tests/ui/rust-2021/inherent-dyn-collision.rs b/tests/ui/rust-2021/inherent-dyn-collision.rs index 0bcb34e5708b..47c844624198 100644 --- a/tests/ui/rust-2021/inherent-dyn-collision.rs +++ b/tests/ui/rust-2021/inherent-dyn-collision.rs @@ -25,6 +25,7 @@ mod inner { // having a struct of the same name as the trait in-scope, while *also* // implementing the trait for that struct but **without** importing the // trait itself into scope + #[allow(dead_code)] struct TryIntoU32; impl super::TryIntoU32 for TryIntoU32 { diff --git a/tests/ui/rust-2021/inherent-dyn-collision.stderr b/tests/ui/rust-2021/inherent-dyn-collision.stderr index f5905574ac39..d9e720dd9af8 100644 --- a/tests/ui/rust-2021/inherent-dyn-collision.stderr +++ b/tests/ui/rust-2021/inherent-dyn-collision.stderr @@ -1,5 +1,5 @@ warning: trait method `try_into` will become ambiguous in Rust 2021 - --> $DIR/inherent-dyn-collision.rs:41:9 + --> $DIR/inherent-dyn-collision.rs:42:9 | LL | get_dyn_trait().try_into().unwrap() | ^^^^^^^^^^^^^^^ help: disambiguate the method call: `(&*get_dyn_trait())` From 366ef954073bdaebe83e6619430ae0e8d17b9850 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Le=C3=B3n=20Orell=20Valerian=20Liehr?= Date: Wed, 22 May 2024 14:45:48 +0200 Subject: [PATCH 0428/1716] Slightly clean up some lint infra code * inline `LintBuffer::add_lint`, it only had a single use * update a lint infra example code snippet * it used the wrong API (the snippet isn't tested) * presumably the arguments were updated from builder to diag struct style at some point without updating the method --- compiler/rustc_lint_defs/src/lib.rs | 25 +++++++------------- compiler/rustc_macros/src/diagnostics/mod.rs | 2 +- 2 files changed, 10 insertions(+), 17 deletions(-) diff --git a/compiler/rustc_lint_defs/src/lib.rs b/compiler/rustc_lint_defs/src/lib.rs index 1941b0b12643..c8a9fb02bf2e 100644 --- a/compiler/rustc_lint_defs/src/lib.rs +++ b/compiler/rustc_lint_defs/src/lib.rs @@ -764,19 +764,7 @@ pub struct LintBuffer { impl LintBuffer { pub fn add_early_lint(&mut self, early_lint: BufferedEarlyLint) { - let arr = self.map.entry(early_lint.node_id).or_default(); - arr.push(early_lint); - } - - pub fn add_lint( - &mut self, - lint: &'static Lint, - node_id: NodeId, - span: MultiSpan, - diagnostic: BuiltinLintDiag, - ) { - let lint_id = LintId::of(lint); - self.add_early_lint(BufferedEarlyLint { lint_id, node_id, span, diagnostic }); + self.map.entry(early_lint.node_id).or_default().push(early_lint); } pub fn take(&mut self, id: NodeId) -> Vec { @@ -787,11 +775,16 @@ impl LintBuffer { pub fn buffer_lint( &mut self, lint: &'static Lint, - id: NodeId, - sp: impl Into, + node_id: NodeId, + span: impl Into, diagnostic: BuiltinLintDiag, ) { - self.add_lint(lint, id, sp.into(), diagnostic) + self.add_early_lint(BufferedEarlyLint { + lint_id: LintId::of(lint), + node_id, + span: span.into(), + diagnostic, + }); } } diff --git a/compiler/rustc_macros/src/diagnostics/mod.rs b/compiler/rustc_macros/src/diagnostics/mod.rs index 389d88bebc78..134045d0644c 100644 --- a/compiler/rustc_macros/src/diagnostics/mod.rs +++ b/compiler/rustc_macros/src/diagnostics/mod.rs @@ -91,7 +91,7 @@ pub fn diagnostic_derive(mut s: Structure<'_>) -> TokenStream { /// Then, later, to emit the error: /// /// ```ignore (rust) -/// cx.span_lint(INVALID_ATOMIC_ORDERING, fail_order_arg_span, AtomicOrderingInvalidLint { +/// cx.emit_span_lint(INVALID_ATOMIC_ORDERING, fail_order_arg_span, AtomicOrderingInvalidLint { /// method, /// success_ordering, /// fail_ordering, From 273a78b05be72a4609d68740708d27fdeacd29f6 Mon Sep 17 00:00:00 2001 From: Gurinder Singh Date: Thu, 23 May 2024 07:23:59 +0530 Subject: [PATCH 0429/1716] Do not suggest unresolvable builder methods --- compiler/rustc_hir_typeck/src/expr.rs | 1 + .../rustc_hir_typeck/src/fn_ctxt/_impl.rs | 1 + .../rustc_hir_typeck/src/method/suggest.rs | 26 ++++++-- tests/ui/resolve/fn-new-doesnt-exist.rs | 5 -- tests/ui/resolve/fn-new-doesnt-exist.stderr | 14 ---- tests/ui/resolve/suggest-builder-fn.rs | 64 +++++++++++++++++++ tests/ui/resolve/suggest-builder-fn.stderr | 51 +++++++++++++++ tests/ui/suggestions/deref-path-method.stderr | 2 +- tests/ui/suggestions/issue-109291.stderr | 1 - tests/ui/ufcs/bad-builder.stderr | 2 +- 10 files changed, 141 insertions(+), 26 deletions(-) delete mode 100644 tests/ui/resolve/fn-new-doesnt-exist.rs delete mode 100644 tests/ui/resolve/fn-new-doesnt-exist.stderr create mode 100644 tests/ui/resolve/suggest-builder-fn.rs create mode 100644 tests/ui/resolve/suggest-builder-fn.stderr diff --git a/compiler/rustc_hir_typeck/src/expr.rs b/compiler/rustc_hir_typeck/src/expr.rs index fade943c5ae3..9c3f62e85f58 100644 --- a/compiler/rustc_hir_typeck/src/expr.rs +++ b/compiler/rustc_hir_typeck/src/expr.rs @@ -1349,6 +1349,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { Some(rcvr), rcvr_t, segment.ident, + expr.hir_id, SelfSource::MethodCall(rcvr), error, Some(args), diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs index 77f90c0c1310..3f67f0f5f045 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs @@ -837,6 +837,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { None, ty.normalized, item_name, + hir_id, SelfSource::QPath(qself), error, args, diff --git a/compiler/rustc_hir_typeck/src/method/suggest.rs b/compiler/rustc_hir_typeck/src/method/suggest.rs index 54af8354c4c7..440dcbf08948 100644 --- a/compiler/rustc_hir_typeck/src/method/suggest.rs +++ b/compiler/rustc_hir_typeck/src/method/suggest.rs @@ -191,6 +191,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { rcvr_opt: Option<&'tcx hir::Expr<'tcx>>, rcvr_ty: Ty<'tcx>, item_name: Ident, + expr_id: hir::HirId, source: SelfSource<'tcx>, error: MethodError<'tcx>, args: Option<&'tcx [hir::Expr<'tcx>]>, @@ -216,6 +217,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { rcvr_opt, rcvr_ty, item_name, + expr_id, source, args, sugg_span, @@ -551,6 +553,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { rcvr_opt: Option<&'tcx hir::Expr<'tcx>>, rcvr_ty: Ty<'tcx>, item_name: Ident, + expr_id: hir::HirId, source: SelfSource<'tcx>, args: Option<&'tcx [hir::Expr<'tcx>]>, sugg_span: Span, @@ -683,7 +686,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } if matches!(source, SelfSource::QPath(_)) && args.is_some() { - self.find_builder_fn(&mut err, rcvr_ty); + self.find_builder_fn(&mut err, rcvr_ty, expr_id); } if tcx.ty_is_opaque_future(rcvr_ty) && item_name.name == sym::poll { @@ -1944,7 +1947,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { /// Look at all the associated functions without receivers in the type's inherent impls /// to look for builders that return `Self`, `Option` or `Result`. - fn find_builder_fn(&self, err: &mut Diag<'_>, rcvr_ty: Ty<'tcx>) { + fn find_builder_fn(&self, err: &mut Diag<'_>, rcvr_ty: Ty<'tcx>, expr_id: hir::HirId) { let ty::Adt(adt_def, _) = rcvr_ty.kind() else { return; }; @@ -1953,8 +1956,23 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let mut items = impls .iter() .flat_map(|i| self.tcx.associated_items(i).in_definition_order()) - // Only assoc fn with no receivers. - .filter(|item| matches!(item.kind, ty::AssocKind::Fn) && !item.fn_has_self_parameter) + // Only assoc fn with no receivers and only if + // they are resolvable + .filter(|item| { + matches!(item.kind, ty::AssocKind::Fn) + && !item.fn_has_self_parameter + && self + .probe_for_name( + Mode::Path, + item.ident(self.tcx), + None, + IsSuggestion(true), + rcvr_ty, + expr_id, + ProbeScope::TraitsInScope, + ) + .is_ok() + }) .filter_map(|item| { // Only assoc fns that return `Self`, `Option` or `Result`. let ret_ty = self diff --git a/tests/ui/resolve/fn-new-doesnt-exist.rs b/tests/ui/resolve/fn-new-doesnt-exist.rs deleted file mode 100644 index 4f6290808fc0..000000000000 --- a/tests/ui/resolve/fn-new-doesnt-exist.rs +++ /dev/null @@ -1,5 +0,0 @@ -use std::net::TcpStream; - -fn main() { - let stream = TcpStream::new(); //~ ERROR no function or associated item named `new` found -} diff --git a/tests/ui/resolve/fn-new-doesnt-exist.stderr b/tests/ui/resolve/fn-new-doesnt-exist.stderr deleted file mode 100644 index 418dd9ea6b84..000000000000 --- a/tests/ui/resolve/fn-new-doesnt-exist.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error[E0599]: no function or associated item named `new` found for struct `TcpStream` in the current scope - --> $DIR/fn-new-doesnt-exist.rs:4:28 - | -LL | let stream = TcpStream::new(); - | ^^^ function or associated item not found in `TcpStream` - | -note: if you're trying to build a new `TcpStream` consider using one of the following associated functions: - TcpStream::connect - TcpStream::connect_timeout - --> $SRC_DIR/std/src/net/tcp.rs:LL:COL - -error: aborting due to 1 previous error - -For more information about this error, try `rustc --explain E0599`. diff --git a/tests/ui/resolve/suggest-builder-fn.rs b/tests/ui/resolve/suggest-builder-fn.rs new file mode 100644 index 000000000000..0d9b35549a47 --- /dev/null +++ b/tests/ui/resolve/suggest-builder-fn.rs @@ -0,0 +1,64 @@ +// Tests that we suggest the right alternatives when +// a builder method cannot be resolved + +use std::net::TcpStream; + +trait SomeTrait {} + +struct Foo { + v : T +} + +impl Foo { + // Should not be suggested if constraint on the impl not met + fn new() -> Self { + Self { v: T::default() } + } +} + +struct Bar; + +impl Bar { + // Should be suggested + fn build() -> Self { + Self {} + } + + // Method with self can't be a builder. + // Should not be suggested + fn build_with_self(&self) -> Self { + Self {} + } +} + +mod SomeMod { + use Bar; + + impl Bar { + // Public method. Should be suggested + pub fn build_public() -> Self { + Self {} + } + + // Private method. Should not be suggested + fn build_private() -> Self { + Self {} + } + } +} + +fn main() { + // `new` not found on `TcpStream` and `connect` should be suggested + let _stream = TcpStream::new(); + //~^ ERROR no function or associated item named `new` found + + // Although `new` is found on `>` it should not be + // suggested because `u8` does not meet the `T: SomeTrait` constraint + let _foo = Foo::::new(); + //~^ ERROR the function or associated item `new` exists for struct `Foo`, but its trait bounds were not satisfied + + // Should suggest only `::build()` and `SomeMod::::build_public()`. + // Other methods should not suggested because they are private or are not a builder + let _bar = Bar::new(); + //~^ ERROR no function or associated item named `new` found +} diff --git a/tests/ui/resolve/suggest-builder-fn.stderr b/tests/ui/resolve/suggest-builder-fn.stderr new file mode 100644 index 000000000000..9c5eed35ccff --- /dev/null +++ b/tests/ui/resolve/suggest-builder-fn.stderr @@ -0,0 +1,51 @@ +error[E0599]: no function or associated item named `new` found for struct `TcpStream` in the current scope + --> $DIR/suggest-builder-fn.rs:52:29 + | +LL | let _stream = TcpStream::new(); + | ^^^ function or associated item not found in `TcpStream` + | +note: if you're trying to build a new `TcpStream` consider using one of the following associated functions: + TcpStream::connect + TcpStream::connect_timeout + --> $SRC_DIR/std/src/net/tcp.rs:LL:COL + +error[E0599]: the function or associated item `new` exists for struct `Foo`, but its trait bounds were not satisfied + --> $DIR/suggest-builder-fn.rs:57:27 + | +LL | struct Foo { + | ------------- function or associated item `new` not found for this struct +... +LL | let _foo = Foo::::new(); + | ^^^ function or associated item cannot be called on `Foo` due to unsatisfied trait bounds + | +note: trait bound `u8: SomeTrait` was not satisfied + --> $DIR/suggest-builder-fn.rs:12:9 + | +LL | impl Foo { + | ^^^^^^^^^ ------ + | | + | unsatisfied trait bound introduced here + +error[E0599]: no function or associated item named `new` found for struct `Bar` in the current scope + --> $DIR/suggest-builder-fn.rs:62:21 + | +LL | struct Bar; + | ---------- function or associated item `new` not found for this struct +... +LL | let _bar = Bar::new(); + | ^^^ function or associated item not found in `Bar` + | +note: if you're trying to build a new `Bar` consider using one of the following associated functions: + Bar::build + SomeMod::::build_public + --> $DIR/suggest-builder-fn.rs:23:5 + | +LL | fn build() -> Self { + | ^^^^^^^^^^^^^^^^^^ +... +LL | pub fn build_public() -> Self { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 3 previous errors + +For more information about this error, try `rustc --explain E0599`. diff --git a/tests/ui/suggestions/deref-path-method.stderr b/tests/ui/suggestions/deref-path-method.stderr index bfcc2307fd7f..b27d9aef0661 100644 --- a/tests/ui/suggestions/deref-path-method.stderr +++ b/tests/ui/suggestions/deref-path-method.stderr @@ -9,7 +9,7 @@ note: if you're trying to build a new `Vec<_, _>` consider using one of the foll Vec::::with_capacity Vec::::try_with_capacity Vec::::from_raw_parts - and 6 others + and 4 others --> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL help: the function `contains` is implemented on `[_]` | diff --git a/tests/ui/suggestions/issue-109291.stderr b/tests/ui/suggestions/issue-109291.stderr index a173bbbb4900..d4a9351af3a8 100644 --- a/tests/ui/suggestions/issue-109291.stderr +++ b/tests/ui/suggestions/issue-109291.stderr @@ -8,7 +8,6 @@ note: if you're trying to build a new `Backtrace` consider using one of the foll Backtrace::capture Backtrace::force_capture Backtrace::disabled - Backtrace::create --> $SRC_DIR/std/src/backtrace.rs:LL:COL help: there is an associated function `force_capture` with a similar name | diff --git a/tests/ui/ufcs/bad-builder.stderr b/tests/ui/ufcs/bad-builder.stderr index e466f94d0d84..9cfeb7a5d09d 100644 --- a/tests/ui/ufcs/bad-builder.stderr +++ b/tests/ui/ufcs/bad-builder.stderr @@ -9,7 +9,7 @@ note: if you're trying to build a new `Vec` consider using one of the followi Vec::::with_capacity Vec::::try_with_capacity Vec::::from_raw_parts - and 6 others + and 4 others --> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL help: there is an associated function `new` with a similar name | From 06bc4fc67145e3a7be9b5a2cf2b5968cef36e587 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Le=C3=B3n=20Orell=20Valerian=20Liehr?= Date: Wed, 22 May 2024 16:46:05 +0200 Subject: [PATCH 0430/1716] Remove `LintDiagnostic::msg` * instead simply set the primary message inside the lint decorator functions * it used to be this way before [#]101986 which introduced `msg` to prevent good path delayed bugs (which no longer exist) from firing under certain circumstances when lints were suppressed / silenced * this is no longer necessary for various reasons I presume * it shaves off complexity and makes further changes easier to implement --- .../rustc_codegen_ssa/src/codegen_attrs.rs | 2 +- compiler/rustc_errors/src/diagnostic.rs | 2 - .../rustc_hir_analysis/src/check/check.rs | 18 ++- .../src/check/intrinsicck.rs | 2 +- .../rustc_hir_analysis/src/check_unused.rs | 13 +- .../src/collect/generics_of.rs | 5 +- .../src/hir_ty_lowering/generics.rs | 5 +- .../src/hir_ty_lowering/lint.rs | 4 +- .../src/hir_ty_lowering/mod.rs | 47 +++---- .../rustc_hir_typeck/src/fn_ctxt/_impl.rs | 20 +-- .../src/method/prelude_edition_lints.rs | 128 +++++++++--------- compiler/rustc_hir_typeck/src/method/probe.rs | 85 ++++++------ compiler/rustc_hir_typeck/src/pat.rs | 19 +-- compiler/rustc_hir_typeck/src/upvar.rs | 3 +- compiler/rustc_lint/src/context.rs | 31 ++--- .../rustc_lint/src/impl_trait_overcaptures.rs | 5 +- compiler/rustc_lint/src/levels.rs | 42 +++--- compiler/rustc_lint/src/lints.rs | 56 ++------ compiler/rustc_lint/src/non_fmt_panic.rs | 3 +- .../src/diagnostics/diagnostic.rs | 32 ++--- compiler/rustc_middle/src/lint.rs | 10 +- compiler/rustc_middle/src/middle/stability.rs | 21 ++- .../rustc_middle/src/mir/interpret/queries.rs | 3 +- compiler/rustc_middle/src/ty/context.rs | 19 +-- compiler/rustc_mir_transform/src/errors.rs | 22 ++- compiler/rustc_pattern_analysis/src/lints.rs | 1 - .../src/traits/object_safety.rs | 63 ++++----- .../src/traits/specialize/mod.rs | 21 ++- src/librustdoc/core.rs | 2 +- src/librustdoc/html/markdown.rs | 11 +- .../passes/check_doc_test_visibility.rs | 15 +- .../passes/collect_intra_doc_links.rs | 4 +- src/librustdoc/passes/lint/bare_urls.rs | 5 +- .../passes/lint/check_code_block_syntax.rs | 4 +- src/librustdoc/passes/lint/html_tags.rs | 5 +- .../passes/lint/redundant_explicit_links.rs | 10 +- .../passes/lint/unescaped_backticks.rs | 73 ++++++++-- .../clippy/clippy_utils/src/diagnostics.rs | 18 ++- .../tests/ui-internal/disallow_span_lint.rs | 4 +- .../ui-internal/disallow_span_lint.stderr | 8 +- .../ui-fulldeps/internal-lints/diagnostics.rs | 8 -- .../internal-lints/diagnostics.stderr | 6 +- .../session-diagnostic/diagnostic-derive.rs | 1 - .../diagnostic-derive.stderr | 62 ++++----- 44 files changed, 430 insertions(+), 488 deletions(-) diff --git a/compiler/rustc_codegen_ssa/src/codegen_attrs.rs b/compiler/rustc_codegen_ssa/src/codegen_attrs.rs index 9bf055b17394..304c604100af 100644 --- a/compiler/rustc_codegen_ssa/src/codegen_attrs.rs +++ b/compiler/rustc_codegen_ssa/src/codegen_attrs.rs @@ -564,8 +564,8 @@ fn codegen_fn_attrs(tcx: TyCtxt<'_>, did: LocalDefId) -> CodegenFnAttrs { lint::builtin::INLINE_NO_SANITIZE, hir_id, no_sanitize_span, - "`no_sanitize` will have no effect after inlining", |lint| { + lint.primary_message("`no_sanitize` will have no effect after inlining"); lint.span_note(inline_span, "inlining requested here"); }, ) diff --git a/compiler/rustc_errors/src/diagnostic.rs b/compiler/rustc_errors/src/diagnostic.rs index 18bb71bd99f7..34b569c42068 100644 --- a/compiler/rustc_errors/src/diagnostic.rs +++ b/compiler/rustc_errors/src/diagnostic.rs @@ -200,8 +200,6 @@ pub trait SubdiagMessageOp = pub trait LintDiagnostic<'a, G: EmissionGuarantee> { /// Decorate and emit a lint. fn decorate_lint<'b>(self, diag: &'b mut Diag<'a, G>); - - fn msg(&self) -> DiagMessage; } #[derive(Clone, Debug, Encodable, Decodable)] diff --git a/compiler/rustc_hir_analysis/src/check/check.rs b/compiler/rustc_hir_analysis/src/check/check.rs index b5c067514059..b46b1d5a26b4 100644 --- a/compiler/rustc_hir_analysis/src/check/check.rs +++ b/compiler/rustc_hir_analysis/src/check/check.rs @@ -46,13 +46,9 @@ pub fn check_abi(tcx: TyCtxt<'_>, hir_id: hir::HirId, span: Span, abi: Abi) { .emit(); } None => { - tcx.node_span_lint( - UNSUPPORTED_CALLING_CONVENTIONS, - hir_id, - span, - "use of calling convention not supported on this target", - |_| {}, - ); + tcx.node_span_lint(UNSUPPORTED_CALLING_CONVENTIONS, hir_id, span, |lint| { + lint.primary_message("use of calling convention not supported on this target"); + }); } } @@ -243,8 +239,8 @@ fn check_static_inhabited(tcx: TyCtxt<'_>, def_id: LocalDefId) { UNINHABITED_STATIC, tcx.local_def_id_to_hir_id(def_id), span, - "static of uninhabited type", |lint| { + lint.primary_message("static of uninhabited type"); lint .note("uninhabited statics cannot be initialized, and any access would be an immediate error"); }, @@ -1315,9 +1311,11 @@ pub(super) fn check_transparent<'tcx>(tcx: TyCtxt<'tcx>, adt: ty::AdtDef<'tcx>) REPR_TRANSPARENT_EXTERNAL_PRIVATE_FIELDS, tcx.local_def_id_to_hir_id(adt.did().expect_local()), span, - "zero-sized fields in `repr(transparent)` cannot \ - contain external non-exhaustive types", |lint| { + lint.primary_message( + "zero-sized fields in `repr(transparent)` cannot \ + contain external non-exhaustive types", + ); let note = if non_exhaustive { "is marked with `#[non_exhaustive]`" } else { diff --git a/compiler/rustc_hir_analysis/src/check/intrinsicck.rs b/compiler/rustc_hir_analysis/src/check/intrinsicck.rs index b09de1a4a098..2672614a8954 100644 --- a/compiler/rustc_hir_analysis/src/check/intrinsicck.rs +++ b/compiler/rustc_hir_analysis/src/check/intrinsicck.rs @@ -281,8 +281,8 @@ impl<'a, 'tcx> InlineAsmCtxt<'a, 'tcx> { lint::builtin::ASM_SUB_REGISTER, expr.hir_id, spans, - "formatting may not be suitable for sub-register argument", |lint| { + lint.primary_message("formatting may not be suitable for sub-register argument"); lint.span_label(expr.span, "for this argument"); lint.help(format!( "use `{{{idx}:{suggested_modifier}}}` to have the register formatted as `{suggested_result}` (for {suggested_size}-bit values)", diff --git a/compiler/rustc_hir_analysis/src/check_unused.rs b/compiler/rustc_hir_analysis/src/check_unused.rs index aa5db4f6aa7b..ed23dc2a827b 100644 --- a/compiler/rustc_hir_analysis/src/check_unused.rs +++ b/compiler/rustc_hir_analysis/src/check_unused.rs @@ -35,11 +35,12 @@ fn check_unused_traits(tcx: TyCtxt<'_>, (): ()) { continue; } let (path, _) = item.expect_use(); - let msg = if let Ok(snippet) = tcx.sess.source_map().span_to_snippet(path.span) { - format!("unused import: `{snippet}`") - } else { - "unused import".to_owned() - }; - tcx.node_span_lint(lint::builtin::UNUSED_IMPORTS, item.hir_id(), path.span, msg, |_| {}); + tcx.node_span_lint(lint::builtin::UNUSED_IMPORTS, item.hir_id(), path.span, |lint| { + if let Ok(snippet) = tcx.sess.source_map().span_to_snippet(path.span) { + lint.primary_message(format!("unused import: `{snippet}`")); + } else { + lint.primary_message("unused import"); + } + }); } } diff --git a/compiler/rustc_hir_analysis/src/collect/generics_of.rs b/compiler/rustc_hir_analysis/src/collect/generics_of.rs index 6b41f79cf1e7..abdf85ad707b 100644 --- a/compiler/rustc_hir_analysis/src/collect/generics_of.rs +++ b/compiler/rustc_hir_analysis/src/collect/generics_of.rs @@ -317,8 +317,9 @@ pub(super) fn generics_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::Generics { lint::builtin::INVALID_TYPE_PARAM_DEFAULT, param.hir_id, param.span, - TYPE_DEFAULT_NOT_ALLOWED, - |_| {}, + |lint| { + lint.primary_message(TYPE_DEFAULT_NOT_ALLOWED); + }, ); } Defaults::Deny => { diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/generics.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/generics.rs index 749f78e79201..7b67030836d1 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/generics.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/generics.rs @@ -646,8 +646,9 @@ pub(crate) fn prohibit_explicit_late_bound_lifetimes( LATE_BOUND_LIFETIME_ARGUMENTS, args.args[0].hir_id(), multispan, - msg, - |_| {}, + |lint| { + lint.primary_message(msg); + }, ); } diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/lint.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/lint.rs index d9d36f5299b5..997db338a43f 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/lint.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/lint.rs @@ -72,8 +72,8 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { self.maybe_suggest_assoc_ty_bound(self_ty, &mut diag); diag.stash(self_ty.span, StashKey::TraitMissingMethod); } else { - let msg = "trait objects without an explicit `dyn` are deprecated"; - tcx.node_span_lint(BARE_TRAIT_OBJECTS, self_ty.hir_id, self_ty.span, msg, |lint| { + tcx.node_span_lint(BARE_TRAIT_OBJECTS, self_ty.hir_id, self_ty.span, |lint| { + lint.primary_message("trait objects without an explicit `dyn` are deprecated"); if self_ty.span.can_be_used_for_suggestions() { lint.multipart_suggestion_verbose( "if this is an object-safe trait, use `dyn`", diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs index 8caeb85204b7..c0da9941dc12 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs @@ -1164,33 +1164,28 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { let ty = self.lower_assoc_ty(span, assoc_ty_did, assoc_segment, bound); if let Some(variant_def_id) = variant_resolution { - tcx.node_span_lint( - AMBIGUOUS_ASSOCIATED_ITEMS, - hir_ref_id, - span, - "ambiguous associated item", - |lint| { - let mut could_refer_to = |kind: DefKind, def_id, also| { - let note_msg = format!( - "`{}` could{} refer to the {} defined here", - assoc_ident, - also, - tcx.def_kind_descr(kind, def_id) - ); - lint.span_note(tcx.def_span(def_id), note_msg); - }; - - could_refer_to(DefKind::Variant, variant_def_id, ""); - could_refer_to(DefKind::AssocTy, assoc_ty_did, " also"); - - lint.span_suggestion( - span, - "use fully-qualified syntax", - format!("<{} as {}>::{}", qself_ty, tcx.item_name(trait_did), assoc_ident), - Applicability::MachineApplicable, + tcx.node_span_lint(AMBIGUOUS_ASSOCIATED_ITEMS, hir_ref_id, span, |lint| { + lint.primary_message("ambiguous associated item"); + let mut could_refer_to = |kind: DefKind, def_id, also| { + let note_msg = format!( + "`{}` could{} refer to the {} defined here", + assoc_ident, + also, + tcx.def_kind_descr(kind, def_id) ); - }, - ); + lint.span_note(tcx.def_span(def_id), note_msg); + }; + + could_refer_to(DefKind::Variant, variant_def_id, ""); + could_refer_to(DefKind::AssocTy, assoc_ty_did, " also"); + + lint.span_suggestion( + span, + "use fully-qualified syntax", + format!("<{} as {}>::{}", qself_ty, tcx.item_name(trait_did), assoc_ident), + Applicability::MachineApplicable, + ); + }); } Ok((ty, DefKind::AssocTy, assoc_ty_did)) } diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs index 77f90c0c1310..301ebe685d92 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs @@ -63,19 +63,13 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { debug!("warn_if_unreachable: id={:?} span={:?} kind={}", id, span, kind); let msg = format!("unreachable {kind}"); - self.tcx().node_span_lint( - lint::builtin::UNREACHABLE_CODE, - id, - span, - msg.clone(), - |lint| { - lint.span_label(span, msg).span_label( - orig_span, - custom_note - .unwrap_or("any code following this expression is unreachable"), - ); - }, - ) + self.tcx().node_span_lint(lint::builtin::UNREACHABLE_CODE, id, span, |lint| { + lint.primary_message(msg.clone()); + lint.span_label(span, msg).span_label( + orig_span, + custom_note.unwrap_or("any code following this expression is unreachable"), + ); + }) } } } diff --git a/compiler/rustc_hir_typeck/src/method/prelude_edition_lints.rs b/compiler/rustc_hir_typeck/src/method/prelude_edition_lints.rs index e9eab6969b34..3ee10f74d98a 100644 --- a/compiler/rustc_hir_typeck/src/method/prelude_edition_lints.rs +++ b/compiler/rustc_hir_typeck/src/method/prelude_edition_lints.rs @@ -91,11 +91,12 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { prelude_or_array_lint, self_expr.hir_id, self_expr.span, - format!( - "trait method `{}` will become ambiguous in Rust {edition}", - segment.ident.name - ), |lint| { + lint.primary_message(format!( + "trait method `{}` will become ambiguous in Rust {edition}", + segment.ident.name + )); + let sp = self_expr.span; let derefs = "*".repeat(pick.autoderefs); @@ -144,11 +145,12 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { prelude_or_array_lint, call_expr.hir_id, call_expr.span, - format!( - "trait method `{}` will become ambiguous in Rust {edition}", - segment.ident.name - ), |lint| { + lint.primary_message(format!( + "trait method `{}` will become ambiguous in Rust {edition}", + segment.ident.name + )); + let sp = call_expr.span; let trait_name = self.trait_path_or_bare_name( span, @@ -251,73 +253,67 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { return; } - self.tcx.node_span_lint( - RUST_2021_PRELUDE_COLLISIONS, - expr_id, - span, - format!( + self.tcx.node_span_lint(RUST_2021_PRELUDE_COLLISIONS, expr_id, span, |lint| { + lint.primary_message(format!( "trait-associated function `{}` will become ambiguous in Rust 2021", method_name.name - ), - |lint| { - // "type" refers to either a type or, more likely, a trait from which - // the associated function or method is from. - let container_id = pick.item.container_id(self.tcx); - let trait_path = self.trait_path_or_bare_name(span, expr_id, container_id); - let trait_generics = self.tcx.generics_of(container_id); + )); - let trait_name = - if trait_generics.own_params.len() <= trait_generics.has_self as usize { - trait_path - } else { - let counts = trait_generics.own_counts(); - format!( - "{}<{}>", - trait_path, + // "type" refers to either a type or, more likely, a trait from which + // the associated function or method is from. + let container_id = pick.item.container_id(self.tcx); + let trait_path = self.trait_path_or_bare_name(span, expr_id, container_id); + let trait_generics = self.tcx.generics_of(container_id); + + let trait_name = + if trait_generics.own_params.len() <= trait_generics.has_self as usize { + trait_path + } else { + let counts = trait_generics.own_counts(); + format!( + "{}<{}>", + trait_path, + std::iter::repeat("'_") + .take(counts.lifetimes) + .chain(std::iter::repeat("_").take( + counts.types + counts.consts - trait_generics.has_self as usize + )) + .collect::>() + .join(", ") + ) + }; + + let mut self_ty_name = self_ty_span + .find_ancestor_inside(span) + .and_then(|span| self.sess().source_map().span_to_snippet(span).ok()) + .unwrap_or_else(|| self_ty.to_string()); + + // Get the number of generics the self type has (if an Adt) unless we can determine that + // the user has written the self type with generics already which we (naively) do by looking + // for a "<" in `self_ty_name`. + if !self_ty_name.contains('<') { + if let ty::Adt(def, _) = self_ty.kind() { + let generics = self.tcx.generics_of(def.did()); + if !generics.is_own_empty() { + let counts = generics.own_counts(); + self_ty_name += &format!( + "<{}>", std::iter::repeat("'_") .take(counts.lifetimes) - .chain(std::iter::repeat("_").take( - counts.types + counts.consts - trait_generics.has_self as usize - )) + .chain(std::iter::repeat("_").take(counts.types + counts.consts)) .collect::>() .join(", ") - ) - }; - - let mut self_ty_name = self_ty_span - .find_ancestor_inside(span) - .and_then(|span| self.sess().source_map().span_to_snippet(span).ok()) - .unwrap_or_else(|| self_ty.to_string()); - - // Get the number of generics the self type has (if an Adt) unless we can determine that - // the user has written the self type with generics already which we (naively) do by looking - // for a "<" in `self_ty_name`. - if !self_ty_name.contains('<') { - if let ty::Adt(def, _) = self_ty.kind() { - let generics = self.tcx.generics_of(def.did()); - if !generics.is_own_empty() { - let counts = generics.own_counts(); - self_ty_name += &format!( - "<{}>", - std::iter::repeat("'_") - .take(counts.lifetimes) - .chain( - std::iter::repeat("_").take(counts.types + counts.consts) - ) - .collect::>() - .join(", ") - ); - } + ); } } - lint.span_suggestion( - span, - "disambiguate the associated function", - format!("<{} as {}>::{}", self_ty_name, trait_name, method_name.name,), - Applicability::MachineApplicable, - ); - }, - ); + } + lint.span_suggestion( + span, + "disambiguate the associated function", + format!("<{} as {}>::{}", self_ty_name, trait_name, method_name.name,), + Applicability::MachineApplicable, + ); + }); } fn trait_path_or_bare_name( diff --git a/compiler/rustc_hir_typeck/src/method/probe.rs b/compiler/rustc_hir_typeck/src/method/probe.rs index e0a60337c3ba..4d33f7e237e3 100644 --- a/compiler/rustc_hir_typeck/src/method/probe.rs +++ b/compiler/rustc_hir_typeck/src/method/probe.rs @@ -408,8 +408,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { lint::builtin::TYVAR_BEHIND_RAW_POINTER, scope_expr_id, span, - "type annotations needed", - |_| {}, + |lint| { + lint.primary_message("type annotations needed"); + }, ); } else { // Ended up encountering a type variable when doing autoderef, @@ -1279,53 +1280,49 @@ impl<'tcx> Pick<'tcx> { return; } let def_kind = self.item.kind.as_def_kind(); - tcx.node_span_lint( - lint::builtin::UNSTABLE_NAME_COLLISIONS, - scope_expr_id, - span, - format!( + tcx.node_span_lint(lint::builtin::UNSTABLE_NAME_COLLISIONS, scope_expr_id, span, |lint| { + lint.primary_message(format!( "{} {} with this name may be added to the standard library in the future", tcx.def_kind_descr_article(def_kind, self.item.def_id), tcx.def_kind_descr(def_kind, self.item.def_id), - ), - |lint| { - match (self.item.kind, self.item.container) { - (ty::AssocKind::Fn, _) => { - // FIXME: This should be a `span_suggestion` instead of `help` - // However `self.span` only - // highlights the method name, so we can't use it. Also consider reusing - // the code from `report_method_error()`. - lint.help(format!( - "call with fully qualified syntax `{}(...)` to keep using the current \ + )); + + match (self.item.kind, self.item.container) { + (ty::AssocKind::Fn, _) => { + // FIXME: This should be a `span_suggestion` instead of `help` + // However `self.span` only + // highlights the method name, so we can't use it. Also consider reusing + // the code from `report_method_error()`. + lint.help(format!( + "call with fully qualified syntax `{}(...)` to keep using the current \ method", - tcx.def_path_str(self.item.def_id), - )); - } - (ty::AssocKind::Const, ty::AssocItemContainer::TraitContainer) => { - let def_id = self.item.container_id(tcx); - lint.span_suggestion( - span, - "use the fully qualified path to the associated const", - format!( - "<{} as {}>::{}", - self.self_ty, - tcx.def_path_str(def_id), - self.item.name - ), - Applicability::MachineApplicable, - ); - } - _ => {} + tcx.def_path_str(self.item.def_id), + )); } - tcx.disabled_nightly_features( - lint, - Some(scope_expr_id), - self.unstable_candidates.iter().map(|(candidate, feature)| { - (format!(" `{}`", tcx.def_path_str(candidate.item.def_id)), *feature) - }), - ); - }, - ); + (ty::AssocKind::Const, ty::AssocItemContainer::TraitContainer) => { + let def_id = self.item.container_id(tcx); + lint.span_suggestion( + span, + "use the fully qualified path to the associated const", + format!( + "<{} as {}>::{}", + self.self_ty, + tcx.def_path_str(def_id), + self.item.name + ), + Applicability::MachineApplicable, + ); + } + _ => {} + } + tcx.disabled_nightly_features( + lint, + Some(scope_expr_id), + self.unstable_candidates.iter().map(|(candidate, feature)| { + (format!(" `{}`", tcx.def_path_str(candidate.item.def_id)), *feature) + }), + ); + }); } } diff --git a/compiler/rustc_hir_typeck/src/pat.rs b/compiler/rustc_hir_typeck/src/pat.rs index b9b220d5af8e..b37aba386196 100644 --- a/compiler/rustc_hir_typeck/src/pat.rs +++ b/compiler/rustc_hir_typeck/src/pat.rs @@ -1950,15 +1950,16 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { &unmentioned_fields.iter().map(|(_, i)| i).collect::>(), ); - self.tcx.node_span_lint(NON_EXHAUSTIVE_OMITTED_PATTERNS, pat.hir_id, pat.span, "some fields are not explicitly listed", |lint| { - lint.span_label(pat.span, format!("field{} {} not listed", rustc_errors::pluralize!(unmentioned_fields.len()), joined_patterns)); - lint.help( - "ensure that all fields are mentioned explicitly by adding the suggested fields", - ); - lint.note(format!( - "the pattern is of type `{ty}` and the `non_exhaustive_omitted_patterns` attribute was found", - )); - }); + self.tcx.node_span_lint(NON_EXHAUSTIVE_OMITTED_PATTERNS, pat.hir_id, pat.span, |lint| { + lint.primary_message("some fields are not explicitly listed"); + lint.span_label(pat.span, format!("field{} {} not listed", rustc_errors::pluralize!(unmentioned_fields.len()), joined_patterns)); + lint.help( + "ensure that all fields are mentioned explicitly by adding the suggested fields", + ); + lint.note(format!( + "the pattern is of type `{ty}` and the `non_exhaustive_omitted_patterns` attribute was found", + )); + }); } /// Returns a diagnostic reporting a struct pattern which does not mention some fields. diff --git a/compiler/rustc_hir_typeck/src/upvar.rs b/compiler/rustc_hir_typeck/src/upvar.rs index 9d16f0d48159..89ac33dcfc02 100644 --- a/compiler/rustc_hir_typeck/src/upvar.rs +++ b/compiler/rustc_hir_typeck/src/upvar.rs @@ -928,8 +928,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { lint::builtin::RUST_2021_INCOMPATIBLE_CLOSURE_CAPTURES, closure_hir_id, closure_head_span, - reasons.migration_message(), |lint| { + lint.primary_message(reasons.migration_message()); + for NeededMigration { var_hir_id, diagnostics_info } in &need_migrations { // Labels all the usage of the captured variable and why they are responsible // for migration being needed diff --git a/compiler/rustc_lint/src/context.rs b/compiler/rustc_lint/src/context.rs index deeb3ae090c5..34b84658dc0b 100644 --- a/compiler/rustc_lint/src/context.rs +++ b/compiler/rustc_lint/src/context.rs @@ -21,7 +21,7 @@ use crate::passes::{EarlyLintPassObject, LateLintPassObject}; use rustc_data_structures::fx::FxIndexMap; use rustc_data_structures::sync; use rustc_data_structures::unord::UnordMap; -use rustc_errors::{Diag, DiagMessage, LintDiagnostic, MultiSpan}; +use rustc_errors::{Diag, LintDiagnostic, MultiSpan}; use rustc_feature::Features; use rustc_hir as hir; use rustc_hir::def::Res; @@ -556,7 +556,6 @@ pub trait LintContext { &self, lint: &'static Lint, span: Option, - msg: impl Into, decorate: impl for<'a, 'b> FnOnce(&'b mut Diag<'a, ()>), ); @@ -568,8 +567,8 @@ pub trait LintContext { span: S, decorator: impl for<'a> LintDiagnostic<'a, ()>, ) { - self.opt_span_lint(lint, Some(span), decorator.msg(), |diag| { - decorator.decorate_lint(diag); + self.opt_span_lint(lint, Some(span), |lint| { + decorator.decorate_lint(lint); }); } @@ -581,17 +580,16 @@ pub trait LintContext { &self, lint: &'static Lint, span: S, - msg: impl Into, decorate: impl for<'a, 'b> FnOnce(&'b mut Diag<'a, ()>), ) { - self.opt_span_lint(lint, Some(span), msg, decorate); + self.opt_span_lint(lint, Some(span), decorate); } /// Emit a lint from a lint struct (some type that implements `LintDiagnostic`, typically /// generated by `#[derive(LintDiagnostic)]`). fn emit_lint(&self, lint: &'static Lint, decorator: impl for<'a> LintDiagnostic<'a, ()>) { - self.opt_span_lint(lint, None as Option, decorator.msg(), |diag| { - decorator.decorate_lint(diag); + self.opt_span_lint(lint, None as Option, |lint| { + decorator.decorate_lint(lint); }); } @@ -599,13 +597,8 @@ pub trait LintContext { /// /// [`lint_level`]: rustc_middle::lint::lint_level#decorate-signature #[rustc_lint_diagnostics] - fn lint( - &self, - lint: &'static Lint, - msg: impl Into, - decorate: impl for<'a, 'b> FnOnce(&'b mut Diag<'a, ()>), - ) { - self.opt_span_lint(lint, None as Option, msg, decorate); + fn lint(&self, lint: &'static Lint, decorate: impl for<'a, 'b> FnOnce(&'b mut Diag<'a, ()>)) { + self.opt_span_lint(lint, None as Option, decorate); } /// This returns the lint level for the given lint at the current location. @@ -668,14 +661,13 @@ impl<'tcx> LintContext for LateContext<'tcx> { &self, lint: &'static Lint, span: Option, - msg: impl Into, decorate: impl for<'a, 'b> FnOnce(&'b mut Diag<'a, ()>), ) { let hir_id = self.last_node_with_lint_attrs; match span { - Some(s) => self.tcx.node_span_lint(lint, hir_id, s, msg, decorate), - None => self.tcx.node_lint(lint, hir_id, msg, decorate), + Some(s) => self.tcx.node_span_lint(lint, hir_id, s, decorate), + None => self.tcx.node_lint(lint, hir_id, decorate), } } @@ -695,10 +687,9 @@ impl LintContext for EarlyContext<'_> { &self, lint: &'static Lint, span: Option, - msg: impl Into, decorate: impl for<'a, 'b> FnOnce(&'b mut Diag<'a, ()>), ) { - self.builder.opt_span_lint(lint, span.map(|s| s.into()), msg, decorate) + self.builder.opt_span_lint(lint, span.map(|s| s.into()), decorate) } fn get_lint_level(&self, lint: &'static Lint) -> Level { diff --git a/compiler/rustc_lint/src/impl_trait_overcaptures.rs b/compiler/rustc_lint/src/impl_trait_overcaptures.rs index 30bf80b915b8..ca3e1ee06d94 100644 --- a/compiler/rustc_lint/src/impl_trait_overcaptures.rs +++ b/compiler/rustc_lint/src/impl_trait_overcaptures.rs @@ -369,6 +369,7 @@ struct ImplTraitOvercapturesLint<'tcx> { impl<'a> LintDiagnostic<'a, ()> for ImplTraitOvercapturesLint<'_> { fn decorate_lint<'b>(self, diag: &'b mut rustc_errors::Diag<'a, ()>) { + diag.primary_message(fluent::lint_impl_trait_overcaptures); diag.arg("self_ty", self.self_ty.to_string()) .arg("num_captured", self.num_captured) .span_note(self.uncaptured_spans, fluent::lint_note) @@ -382,10 +383,6 @@ impl<'a> LintDiagnostic<'a, ()> for ImplTraitOvercapturesLint<'_> { ); } } - - fn msg(&self) -> rustc_errors::DiagMessage { - fluent::lint_impl_trait_overcaptures - } } #[derive(LintDiagnostic)] diff --git a/compiler/rustc_lint/src/levels.rs b/compiler/rustc_lint/src/levels.rs index 12b3d1d2f9e4..5d0656865461 100644 --- a/compiler/rustc_lint/src/levels.rs +++ b/compiler/rustc_lint/src/levels.rs @@ -16,7 +16,7 @@ use crate::{ use rustc_ast as ast; use rustc_ast_pretty::pprust; use rustc_data_structures::fx::FxIndexMap; -use rustc_errors::{Diag, DiagMessage, LintDiagnostic, MultiSpan}; +use rustc_errors::{Diag, LintDiagnostic, MultiSpan}; use rustc_feature::{Features, GateIssue}; use rustc_hir as hir; use rustc_hir::intravisit::{self, Visitor}; @@ -1063,26 +1063,19 @@ impl<'s, P: LintLevelsProvider> LintLevelsBuilder<'s, P> { // FIXME: make this translatable #[allow(rustc::diagnostic_outside_of_impl)] #[allow(rustc::untranslatable_diagnostic)] - lint_level( - self.sess, - lint, - level, - src, - Some(span.into()), - fluent::lint_unknown_gated_lint, - |lint| { - lint.arg("name", lint_id.lint.name_lower()); - lint.note(fluent::lint_note); - rustc_session::parse::add_feature_diagnostics_for_issue( - lint, - &self.sess, - feature, - GateIssue::Language, - lint_from_cli, - None, - ); - }, - ); + lint_level(self.sess, lint, level, src, Some(span.into()), |lint| { + lint.primary_message(fluent::lint_unknown_gated_lint); + lint.arg("name", lint_id.lint.name_lower()); + lint.note(fluent::lint_note); + rustc_session::parse::add_feature_diagnostics_for_issue( + lint, + &self.sess, + feature, + GateIssue::Language, + lint_from_cli, + None, + ); + }); } false @@ -1103,11 +1096,10 @@ impl<'s, P: LintLevelsProvider> LintLevelsBuilder<'s, P> { &self, lint: &'static Lint, span: Option, - msg: impl Into, decorate: impl for<'a, 'b> FnOnce(&'b mut Diag<'a, ()>), ) { let (level, src) = self.lint_level(lint); - lint_level(self.sess, lint, level, src, span, msg, decorate) + lint_level(self.sess, lint, level, src, span, decorate) } #[track_caller] @@ -1118,7 +1110,7 @@ impl<'s, P: LintLevelsProvider> LintLevelsBuilder<'s, P> { decorate: impl for<'a> LintDiagnostic<'a, ()>, ) { let (level, src) = self.lint_level(lint); - lint_level(self.sess, lint, level, src, Some(span), decorate.msg(), |lint| { + lint_level(self.sess, lint, level, src, Some(span), |lint| { decorate.decorate_lint(lint); }); } @@ -1126,7 +1118,7 @@ impl<'s, P: LintLevelsProvider> LintLevelsBuilder<'s, P> { #[track_caller] pub fn emit_lint(&self, lint: &'static Lint, decorate: impl for<'a> LintDiagnostic<'a, ()>) { let (level, src) = self.lint_level(lint); - lint_level(self.sess, lint, level, src, None, decorate.msg(), |lint| { + lint_level(self.sess, lint, level, src, None, |lint| { decorate.decorate_lint(lint); }); } diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index 3bd6faca3796..4b1626ca5560 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -145,12 +145,9 @@ pub struct BuiltinMissingDebugImpl<'a> { // Needed for def_path_str impl<'a> LintDiagnostic<'a, ()> for BuiltinMissingDebugImpl<'_> { fn decorate_lint<'b>(self, diag: &'b mut rustc_errors::Diag<'a, ()>) { + diag.primary_message(fluent::lint_builtin_missing_debug_impl); diag.arg("debug", self.tcx.def_path_str(self.def_id)); } - - fn msg(&self) -> DiagMessage { - fluent::lint_builtin_missing_debug_impl - } } #[derive(LintDiagnostic)] @@ -250,6 +247,7 @@ pub struct BuiltinUngatedAsyncFnTrackCaller<'a> { impl<'a> LintDiagnostic<'a, ()> for BuiltinUngatedAsyncFnTrackCaller<'_> { fn decorate_lint<'b>(self, diag: &'b mut Diag<'a, ()>) { + diag.primary_message(fluent::lint_ungated_async_fn_track_caller); diag.span_label(self.label, fluent::lint_label); rustc_session::parse::add_feature_diagnostics( diag, @@ -257,10 +255,6 @@ impl<'a> LintDiagnostic<'a, ()> for BuiltinUngatedAsyncFnTrackCaller<'_> { sym::async_fn_track_caller, ); } - - fn msg(&self) -> DiagMessage { - fluent::lint_ungated_async_fn_track_caller - } } #[derive(LintDiagnostic)] @@ -432,6 +426,7 @@ pub struct BuiltinUnpermittedTypeInit<'a> { impl<'a> LintDiagnostic<'a, ()> for BuiltinUnpermittedTypeInit<'_> { fn decorate_lint<'b>(self, diag: &'b mut Diag<'a, ()>) { + diag.primary_message(self.msg); diag.arg("ty", self.ty); diag.span_label(self.label, fluent::lint_builtin_unpermitted_type_init_label); if let InhabitedPredicate::True = self.ty.inhabited_predicate(self.tcx) { @@ -443,10 +438,6 @@ impl<'a> LintDiagnostic<'a, ()> for BuiltinUnpermittedTypeInit<'_> { } self.sub.add_to_diag(diag); } - - fn msg(&self) -> DiagMessage { - self.msg.clone() - } } // FIXME(davidtwco): make translatable @@ -1168,6 +1159,7 @@ pub struct NonFmtPanicUnused { // Used because of two suggestions based on one Option impl<'a> LintDiagnostic<'a, ()> for NonFmtPanicUnused { fn decorate_lint<'b>(self, diag: &'b mut Diag<'a, ()>) { + diag.primary_message(fluent::lint_non_fmt_panic_unused); diag.arg("count", self.count); diag.note(fluent::lint_note); if let Some(span) = self.suggestion { @@ -1185,10 +1177,6 @@ impl<'a> LintDiagnostic<'a, ()> for NonFmtPanicUnused { ); } } - - fn msg(&self) -> DiagMessage { - fluent::lint_non_fmt_panic_unused - } } #[derive(LintDiagnostic)] @@ -1410,13 +1398,10 @@ pub struct DropTraitConstraintsDiag<'a> { // Needed for def_path_str impl<'a> LintDiagnostic<'a, ()> for DropTraitConstraintsDiag<'_> { fn decorate_lint<'b>(self, diag: &'b mut Diag<'a, ()>) { + diag.primary_message(fluent::lint_drop_trait_constraints); diag.arg("predicate", self.predicate); diag.arg("needs_drop", self.tcx.def_path_str(self.def_id)); } - - fn msg(&self) -> DiagMessage { - fluent::lint_drop_trait_constraints - } } pub struct DropGlue<'a> { @@ -1427,12 +1412,9 @@ pub struct DropGlue<'a> { // Needed for def_path_str impl<'a> LintDiagnostic<'a, ()> for DropGlue<'_> { fn decorate_lint<'b>(self, diag: &'b mut Diag<'a, ()>) { + diag.primary_message(fluent::lint_drop_glue); diag.arg("needs_drop", self.tcx.def_path_str(self.def_id)); } - - fn msg(&self) -> DiagMessage { - fluent::lint_drop_glue - } } // types.rs @@ -1710,6 +1692,7 @@ pub struct ImproperCTypes<'a> { // Used because of the complexity of Option, DiagMessage, and Option impl<'a> LintDiagnostic<'a, ()> for ImproperCTypes<'_> { fn decorate_lint<'b>(self, diag: &'b mut Diag<'a, ()>) { + diag.primary_message(fluent::lint_improper_ctypes); diag.arg("ty", self.ty); diag.arg("desc", self.desc); diag.span_label(self.label, fluent::lint_label); @@ -1721,10 +1704,6 @@ impl<'a> LintDiagnostic<'a, ()> for ImproperCTypes<'_> { diag.span_note(note, fluent::lint_note); } } - - fn msg(&self) -> DiagMessage { - fluent::lint_improper_ctypes - } } #[derive(LintDiagnostic)] @@ -1853,6 +1832,7 @@ pub enum UnusedDefSuggestion { // Needed because of def_path_str impl<'a> LintDiagnostic<'a, ()> for UnusedDef<'_, '_> { fn decorate_lint<'b>(self, diag: &'b mut Diag<'a, ()>) { + diag.primary_message(fluent::lint_unused_def); diag.arg("pre", self.pre); diag.arg("post", self.post); diag.arg("def", self.cx.tcx.def_path_str(self.def_id)); @@ -1864,10 +1844,6 @@ impl<'a> LintDiagnostic<'a, ()> for UnusedDef<'_, '_> { diag.subdiagnostic(diag.dcx, sugg); } } - - fn msg(&self) -> DiagMessage { - fluent::lint_unused_def - } } #[derive(LintDiagnostic)] @@ -1936,15 +1912,12 @@ pub struct AsyncFnInTraitDiag { impl<'a> LintDiagnostic<'a, ()> for AsyncFnInTraitDiag { fn decorate_lint<'b>(self, diag: &'b mut Diag<'a, ()>) { + diag.primary_message(fluent::lint_async_fn_in_trait); diag.note(fluent::lint_note); if let Some(sugg) = self.sugg { diag.multipart_suggestion(fluent::lint_suggestion, sugg, Applicability::MaybeIncorrect); } } - - fn msg(&self) -> DiagMessage { - fluent::lint_async_fn_in_trait - } } #[derive(LintDiagnostic)] @@ -2260,10 +2233,8 @@ pub struct UnstableFeature { } impl<'a> LintDiagnostic<'a, ()> for UnstableFeature { - fn decorate_lint<'b>(self, _diag: &'b mut Diag<'a, ()>) {} - - fn msg(&self) -> DiagMessage { - self.msg.clone() + fn decorate_lint<'b>(self, diag: &'b mut Diag<'a, ()>) { + diag.primary_message(self.msg); } } @@ -2725,12 +2696,9 @@ pub struct AmbiguousGlobImports { impl<'a, G: EmissionGuarantee> LintDiagnostic<'a, G> for AmbiguousGlobImports { fn decorate_lint<'b>(self, diag: &'b mut Diag<'a, G>) { + diag.primary_message(self.ambiguity.msg.clone()); rustc_errors::report_ambiguity_error(diag, self.ambiguity); } - - fn msg(&self) -> DiagMessage { - DiagMessage::Str(self.ambiguity.msg.clone().into()) - } } #[derive(LintDiagnostic)] diff --git a/compiler/rustc_lint/src/non_fmt_panic.rs b/compiler/rustc_lint/src/non_fmt_panic.rs index a6057afcbd6b..c9d678541123 100644 --- a/compiler/rustc_lint/src/non_fmt_panic.rs +++ b/compiler/rustc_lint/src/non_fmt_panic.rs @@ -123,7 +123,8 @@ fn check_panic<'tcx>(cx: &LateContext<'tcx>, f: &'tcx hir::Expr<'tcx>, arg: &'tc } #[allow(rustc::diagnostic_outside_of_impl)] - cx.span_lint(NON_FMT_PANICS, arg_span, fluent::lint_non_fmt_panic, |lint| { + cx.span_lint(NON_FMT_PANICS, arg_span, |lint| { + lint.primary_message(fluent::lint_non_fmt_panic); lint.arg("name", symbol); lint.note(fluent::lint_note); lint.note(fluent::lint_more_info_note); diff --git a/compiler/rustc_macros/src/diagnostics/diagnostic.rs b/compiler/rustc_macros/src/diagnostics/diagnostic.rs index 9d21d88165e0..ef6005283d6b 100644 --- a/compiler/rustc_macros/src/diagnostics/diagnostic.rs +++ b/compiler/rustc_macros/src/diagnostics/diagnostic.rs @@ -105,25 +105,12 @@ impl<'a> LintDiagnosticDerive<'a> { pub(crate) fn into_tokens(self) -> TokenStream { let LintDiagnosticDerive { mut structure } = self; let kind = DiagnosticDeriveKind::LintDiagnostic; + let slugs = RefCell::new(Vec::new()); let implementation = kind.each_variant(&mut structure, |mut builder, variant| { let preamble = builder.preamble(variant); let body = builder.body(variant); - let formatting_init = &builder.formatting_init; - quote! { - #preamble - #formatting_init - #body - diag - } - }); - - let slugs = RefCell::new(Vec::new()); - let msg = kind.each_variant(&mut structure, |mut builder, variant| { - // Collect the slug by generating the preamble. - let _ = builder.preamble(variant); - - match builder.slug.value_ref() { + let primary_message = match builder.slug.value_ref() { None => { span_err(builder.span, "diagnostic slug not specified") .help( @@ -146,9 +133,18 @@ impl<'a> LintDiagnosticDerive<'a> { Some(slug) => { slugs.borrow_mut().push(slug.clone()); quote! { - crate::fluent_generated::#slug.into() + diag.primary_message(crate::fluent_generated::#slug); } } + }; + + let formatting_init = &builder.formatting_init; + quote! { + #primary_message + #preamble + #formatting_init + #body + diag } }); @@ -161,10 +157,6 @@ impl<'a> LintDiagnosticDerive<'a> { ) { #implementation; } - - fn msg(&self) -> rustc_errors::DiagMessage { - #msg - } } }); for test in slugs.borrow().iter().map(|s| generate_test(s, &structure)) { diff --git a/compiler/rustc_middle/src/lint.rs b/compiler/rustc_middle/src/lint.rs index 086582e60a3c..1e374715fd09 100644 --- a/compiler/rustc_middle/src/lint.rs +++ b/compiler/rustc_middle/src/lint.rs @@ -2,7 +2,7 @@ use std::cmp; use rustc_data_structures::fx::FxIndexMap; use rustc_data_structures::sorted_map::SortedMap; -use rustc_errors::{Diag, DiagMessage, MultiSpan}; +use rustc_errors::{Diag, MultiSpan}; use rustc_hir::{HirId, ItemLocalId}; use rustc_macros::HashStable; use rustc_session::lint::{ @@ -269,7 +269,6 @@ pub fn lint_level( level: Level, src: LintLevelSource, span: Option, - msg: impl Into, decorate: impl for<'a, 'b> FnOnce(&'b mut Diag<'a, ()>), ) { // Avoid codegen bloat from monomorphization by immediately doing dyn dispatch of `decorate` to @@ -281,7 +280,6 @@ pub fn lint_level( level: Level, src: LintLevelSource, span: Option, - msg: impl Into, decorate: Box FnOnce(&'b mut Diag<'a, ()>)>, ) { // Check for future incompatibility lints and issue a stronger warning. @@ -350,10 +348,6 @@ pub fn lint_level( } } - // Delay evaluating and setting the primary message until after we've - // suppressed the lint due to macros. - err.primary_message(msg); - err.is_lint(lint.name_lower(), has_future_breakage); // Lint diagnostics that are covered by the expect level will not be emitted outside @@ -418,7 +412,7 @@ pub fn lint_level( explain_lint_level_source(lint, level, src, &mut err); err.emit() } - lint_level_impl(sess, lint, level, src, span, msg, Box::new(decorate)) + lint_level_impl(sess, lint, level, src, span, Box::new(decorate)) } /// Returns whether `span` originates in a foreign crate's external macro. diff --git a/compiler/rustc_middle/src/middle/stability.rs b/compiler/rustc_middle/src/middle/stability.rs index e5df05763b02..30f93577b7fa 100644 --- a/compiler/rustc_middle/src/middle/stability.rs +++ b/compiler/rustc_middle/src/middle/stability.rs @@ -156,6 +156,13 @@ pub struct Deprecated { impl<'a, G: EmissionGuarantee> rustc_errors::LintDiagnostic<'a, G> for Deprecated { fn decorate_lint<'b>(self, diag: &'b mut Diag<'a, G>) { + diag.primary_message(match &self.since_kind { + DeprecatedSinceKind::InEffect => crate::fluent_generated::middle_deprecated, + DeprecatedSinceKind::InFuture => crate::fluent_generated::middle_deprecated_in_future, + DeprecatedSinceKind::InVersion(_) => { + crate::fluent_generated::middle_deprecated_in_version + } + }); diag.arg("kind", self.kind); diag.arg("path", self.path); if let DeprecatedSinceKind::InVersion(version) = self.since_kind { @@ -171,16 +178,6 @@ impl<'a, G: EmissionGuarantee> rustc_errors::LintDiagnostic<'a, G> for Deprecate diag.subdiagnostic(diag.dcx, sub); } } - - fn msg(&self) -> rustc_errors::DiagMessage { - match &self.since_kind { - DeprecatedSinceKind::InEffect => crate::fluent_generated::middle_deprecated, - DeprecatedSinceKind::InFuture => crate::fluent_generated::middle_deprecated_in_future, - DeprecatedSinceKind::InVersion(_) => { - crate::fluent_generated::middle_deprecated_in_version - } - } - } } fn deprecated_since_kind(is_in_effect: bool, since: DeprecatedSince) -> DeprecatedSinceKind { @@ -597,7 +594,9 @@ impl<'tcx> TyCtxt<'tcx> { unmarked: impl FnOnce(Span, DefId), ) -> bool { let soft_handler = |lint, span, msg: String| { - self.node_span_lint(lint, id.unwrap_or(hir::CRATE_HIR_ID), span, msg, |_| {}) + self.node_span_lint(lint, id.unwrap_or(hir::CRATE_HIR_ID), span, |lint| { + lint.primary_message(msg); + }) }; let eval_result = self.eval_stability_allow_unstable(def_id, id, span, method_span, allow_unstable); diff --git a/compiler/rustc_middle/src/mir/interpret/queries.rs b/compiler/rustc_middle/src/mir/interpret/queries.rs index 04d6301116ee..9addf937f94b 100644 --- a/compiler/rustc_middle/src/mir/interpret/queries.rs +++ b/compiler/rustc_middle/src/mir/interpret/queries.rs @@ -112,8 +112,7 @@ impl<'tcx> TyCtxt<'tcx> { lint::builtin::CONST_EVALUATABLE_UNCHECKED, self.local_def_id_to_hir_id(local_def_id), self.def_span(ct.def), - "cannot use constants which depend on generic parameters in types", - |_| {}, + |lint| { lint.primary_message("cannot use constants which depend on generic parameters in types"); }, ) } } diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index 8185c99c2fd2..eaa969a90f8a 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -48,9 +48,7 @@ use rustc_data_structures::sync::{self, FreezeReadGuard, Lock, Lrc, RwLock, Work #[cfg(parallel_compiler)] use rustc_data_structures::sync::{DynSend, DynSync}; use rustc_data_structures::unord::UnordSet; -use rustc_errors::{ - Applicability, Diag, DiagCtxt, DiagMessage, ErrorGuaranteed, LintDiagnostic, MultiSpan, -}; +use rustc_errors::{Applicability, Diag, DiagCtxt, ErrorGuaranteed, LintDiagnostic, MultiSpan}; use rustc_hir as hir; use rustc_hir::def::DefKind; use rustc_hir::def_id::{CrateNum, DefId, LocalDefId, LOCAL_CRATE}; @@ -2475,10 +2473,9 @@ impl<'tcx> TyCtxt<'tcx> { span: impl Into, decorator: impl for<'a> LintDiagnostic<'a, ()>, ) { - let msg = decorator.msg(); let (level, src) = self.lint_level_at_node(lint, hir_id); - lint_level(self.sess, lint, level, src, Some(span.into()), msg, |diag| { - decorator.decorate_lint(diag); + lint_level(self.sess, lint, level, src, Some(span.into()), |lint| { + decorator.decorate_lint(lint); }) } @@ -2492,11 +2489,10 @@ impl<'tcx> TyCtxt<'tcx> { lint: &'static Lint, hir_id: HirId, span: impl Into, - msg: impl Into, decorate: impl for<'a, 'b> FnOnce(&'b mut Diag<'a, ()>), ) { let (level, src) = self.lint_level_at_node(lint, hir_id); - lint_level(self.sess, lint, level, src, Some(span.into()), msg, decorate); + lint_level(self.sess, lint, level, src, Some(span.into()), decorate); } /// Find the crate root and the appropriate span where `use` and outer attributes can be @@ -2547,8 +2543,8 @@ impl<'tcx> TyCtxt<'tcx> { id: HirId, decorator: impl for<'a> LintDiagnostic<'a, ()>, ) { - self.node_lint(lint, id, decorator.msg(), |diag| { - decorator.decorate_lint(diag); + self.node_lint(lint, id, |lint| { + decorator.decorate_lint(lint); }) } @@ -2561,11 +2557,10 @@ impl<'tcx> TyCtxt<'tcx> { self, lint: &'static Lint, id: HirId, - msg: impl Into, decorate: impl for<'a, 'b> FnOnce(&'b mut Diag<'a, ()>), ) { let (level, src) = self.lint_level_at_node(lint, id); - lint_level(self.sess, lint, level, src, None, msg, decorate); + lint_level(self.sess, lint, level, src, None, decorate); } pub fn in_scope_traits(self, id: HirId) -> Option<&'tcx [TraitCandidate]> { diff --git a/compiler/rustc_mir_transform/src/errors.rs b/compiler/rustc_mir_transform/src/errors.rs index 0634e321ea30..b28dcb38cb6b 100644 --- a/compiler/rustc_mir_transform/src/errors.rs +++ b/compiler/rustc_mir_transform/src/errors.rs @@ -1,4 +1,4 @@ -use rustc_errors::{codes::*, Diag, DiagMessage, LintDiagnostic}; +use rustc_errors::{codes::*, Diag, LintDiagnostic}; use rustc_macros::{Diagnostic, LintDiagnostic, Subdiagnostic}; use rustc_middle::mir::AssertKind; use rustc_middle::ty::TyCtxt; @@ -50,18 +50,15 @@ pub(crate) enum AssertLintKind { impl<'a, P: std::fmt::Debug> LintDiagnostic<'a, ()> for AssertLint

::Metadata; } +/// Lowers in MIR to `Rvalue::UnaryOp` with `UnOp::PtrMetadata`. +/// +/// This is used to implement functions like `ptr::metadata`. +#[rustc_nounwind] +#[unstable(feature = "core_intrinsics", issue = "none")] +#[rustc_const_unstable(feature = "ptr_metadata", issue = "81513")] +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[cfg(not(bootstrap))] +pub const fn ptr_metadata + ?Sized, M>(_ptr: *const P) -> M { + // To implement a fallback we'd have to assume the layout of the pointer, + // but the whole point of this intrinsic is that we shouldn't do that. + unreachable!() +} + // Some functions are defined here because they accidentally got made // available in this module on stable. See . // (`transmute` also falls into this category, but it cannot be wrapped due to the diff --git a/library/core/src/ptr/metadata.rs b/library/core/src/ptr/metadata.rs index e501970b580d..84287ec3f514 100644 --- a/library/core/src/ptr/metadata.rs +++ b/library/core/src/ptr/metadata.rs @@ -3,6 +3,8 @@ use crate::fmt; use crate::hash::{Hash, Hasher}; use crate::intrinsics::aggregate_raw_ptr; +#[cfg(not(bootstrap))] +use crate::intrinsics::ptr_metadata; use crate::marker::Freeze; /// Provides the pointer metadata type of any pointed-to type. @@ -94,10 +96,17 @@ pub trait Thin = Pointee; #[rustc_const_unstable(feature = "ptr_metadata", issue = "81513")] #[inline] pub const fn metadata(ptr: *const T) -> ::Metadata { - // SAFETY: Accessing the value from the `PtrRepr` union is safe since *const T - // and PtrComponents have the same memory layouts. Only std can make this - // guarantee. - unsafe { PtrRepr { const_ptr: ptr }.components.metadata } + #[cfg(bootstrap)] + { + // SAFETY: Accessing the value from the `PtrRepr` union is safe since *const T + // and PtrComponents have the same memory layouts. Only std can make this + // guarantee. + unsafe { PtrRepr { const_ptr: ptr }.components.metadata } + } + #[cfg(not(bootstrap))] + { + ptr_metadata(ptr) + } } /// Forms a (possibly-wide) raw pointer from a data pointer and metadata. @@ -132,6 +141,7 @@ pub const fn from_raw_parts_mut( } #[repr(C)] +#[cfg(bootstrap)] union PtrRepr { const_ptr: *const T, mut_ptr: *mut T, @@ -139,15 +149,18 @@ union PtrRepr { } #[repr(C)] +#[cfg(bootstrap)] struct PtrComponents { data_pointer: *const (), metadata: ::Metadata, } // Manual impl needed to avoid `T: Copy` bound. +#[cfg(bootstrap)] impl Copy for PtrComponents {} // Manual impl needed to avoid `T: Clone` bound. +#[cfg(bootstrap)] impl Clone for PtrComponents { fn clone(&self) -> Self { *self diff --git a/library/core/tests/ptr.rs b/library/core/tests/ptr.rs index 7b55c2bf8a81..e8d05c2483de 100644 --- a/library/core/tests/ptr.rs +++ b/library/core/tests/ptr.rs @@ -1171,3 +1171,15 @@ fn test_ptr_from_raw_parts_in_const() { assert_eq!(EMPTY_SLICE_PTR.addr(), 123); assert_eq!(EMPTY_SLICE_PTR.len(), 456); } + +#[test] +fn test_ptr_metadata_in_const() { + use std::fmt::Debug; + + const ARRAY_META: () = std::ptr::metadata::<[u16; 3]>(&[1, 2, 3]); + const SLICE_META: usize = std::ptr::metadata::<[u16]>(&[1, 2, 3]); + const DYN_META: DynMetadata = std::ptr::metadata::(&[0_u8; 42]); + assert_eq!(ARRAY_META, ()); + assert_eq!(SLICE_META, 3); + assert_eq!(DYN_META.size_of(), 42); +} diff --git a/tests/codegen/intrinsics/ptr_metadata.rs b/tests/codegen/intrinsics/ptr_metadata.rs new file mode 100644 index 000000000000..f4bf5a1f5f17 --- /dev/null +++ b/tests/codegen/intrinsics/ptr_metadata.rs @@ -0,0 +1,36 @@ +//@ compile-flags: -O -C no-prepopulate-passes -Z inline-mir +//@ only-64bit (so I don't need to worry about usize) + +#![crate_type = "lib"] +#![feature(core_intrinsics)] + +use std::intrinsics::ptr_metadata; + +// CHECK-LABEL: @thin_metadata( +#[no_mangle] +pub fn thin_metadata(p: *const ()) { + // CHECK: start + // CHECK-NEXT: ret void + ptr_metadata(p) +} + +// CHECK-LABEL: @slice_metadata( +#[no_mangle] +pub fn slice_metadata(p: *const [u8]) -> usize { + // CHECK: start + // CHECK-NEXT: ret i64 %p.1 + ptr_metadata(p) +} + +// CHECK-LABEL: @dyn_byte_offset( +#[no_mangle] +pub unsafe fn dyn_byte_offset( + p: *const dyn std::fmt::Debug, + n: usize, +) -> *const dyn std::fmt::Debug { + // CHECK: %[[Q:.+]] = getelementptr inbounds i8, ptr %p.0, i64 %n + // CHECK: %[[TEMP1:.+]] = insertvalue { ptr, ptr } poison, ptr %[[Q]], 0 + // CHECK: %[[TEMP2:.+]] = insertvalue { ptr, ptr } %[[TEMP1]], ptr %p.1, 1 + // CHECK: ret { ptr, ptr } %[[TEMP2]] + p.byte_add(n) +} diff --git a/tests/mir-opt/lower_intrinsics.get_metadata.LowerIntrinsics.panic-abort.diff b/tests/mir-opt/lower_intrinsics.get_metadata.LowerIntrinsics.panic-abort.diff new file mode 100644 index 000000000000..d256058c05ee --- /dev/null +++ b/tests/mir-opt/lower_intrinsics.get_metadata.LowerIntrinsics.panic-abort.diff @@ -0,0 +1,63 @@ +- // MIR for `get_metadata` before LowerIntrinsics ++ // MIR for `get_metadata` after LowerIntrinsics + + fn get_metadata(_1: *const i32, _2: *const [u8], _3: *const dyn Debug) -> () { + debug a => _1; + debug b => _2; + debug c => _3; + let mut _0: (); + let _4: (); + let mut _5: *const i32; + let mut _7: *const [u8]; + let mut _9: *const dyn std::fmt::Debug; + scope 1 { + debug _unit => _4; + let _6: usize; + scope 2 { + debug _usize => _6; + let _8: std::ptr::DynMetadata; + scope 3 { + debug _vtable => _8; + } + } + } + + bb0: { + StorageLive(_4); + StorageLive(_5); + _5 = _1; +- _4 = ptr_metadata::(move _5) -> [return: bb1, unwind unreachable]; ++ _4 = PtrMetadata(move _5); ++ goto -> bb1; + } + + bb1: { + StorageDead(_5); + StorageLive(_6); + StorageLive(_7); + _7 = _2; +- _6 = ptr_metadata::<[u8], usize>(move _7) -> [return: bb2, unwind unreachable]; ++ _6 = PtrMetadata(move _7); ++ goto -> bb2; + } + + bb2: { + StorageDead(_7); + StorageLive(_8); + StorageLive(_9); + _9 = _3; +- _8 = ptr_metadata::>(move _9) -> [return: bb3, unwind unreachable]; ++ _8 = PtrMetadata(move _9); ++ goto -> bb3; + } + + bb3: { + StorageDead(_9); + _0 = const (); + StorageDead(_8); + StorageDead(_6); + StorageDead(_4); + return; + } + } + diff --git a/tests/mir-opt/lower_intrinsics.get_metadata.LowerIntrinsics.panic-unwind.diff b/tests/mir-opt/lower_intrinsics.get_metadata.LowerIntrinsics.panic-unwind.diff new file mode 100644 index 000000000000..d256058c05ee --- /dev/null +++ b/tests/mir-opt/lower_intrinsics.get_metadata.LowerIntrinsics.panic-unwind.diff @@ -0,0 +1,63 @@ +- // MIR for `get_metadata` before LowerIntrinsics ++ // MIR for `get_metadata` after LowerIntrinsics + + fn get_metadata(_1: *const i32, _2: *const [u8], _3: *const dyn Debug) -> () { + debug a => _1; + debug b => _2; + debug c => _3; + let mut _0: (); + let _4: (); + let mut _5: *const i32; + let mut _7: *const [u8]; + let mut _9: *const dyn std::fmt::Debug; + scope 1 { + debug _unit => _4; + let _6: usize; + scope 2 { + debug _usize => _6; + let _8: std::ptr::DynMetadata; + scope 3 { + debug _vtable => _8; + } + } + } + + bb0: { + StorageLive(_4); + StorageLive(_5); + _5 = _1; +- _4 = ptr_metadata::(move _5) -> [return: bb1, unwind unreachable]; ++ _4 = PtrMetadata(move _5); ++ goto -> bb1; + } + + bb1: { + StorageDead(_5); + StorageLive(_6); + StorageLive(_7); + _7 = _2; +- _6 = ptr_metadata::<[u8], usize>(move _7) -> [return: bb2, unwind unreachable]; ++ _6 = PtrMetadata(move _7); ++ goto -> bb2; + } + + bb2: { + StorageDead(_7); + StorageLive(_8); + StorageLive(_9); + _9 = _3; +- _8 = ptr_metadata::>(move _9) -> [return: bb3, unwind unreachable]; ++ _8 = PtrMetadata(move _9); ++ goto -> bb3; + } + + bb3: { + StorageDead(_9); + _0 = const (); + StorageDead(_8); + StorageDead(_6); + StorageDead(_4); + return; + } + } + diff --git a/tests/mir-opt/lower_intrinsics.rs b/tests/mir-opt/lower_intrinsics.rs index 180bfd0a9246..2569f4f4de5d 100644 --- a/tests/mir-opt/lower_intrinsics.rs +++ b/tests/mir-opt/lower_intrinsics.rs @@ -258,3 +258,12 @@ pub fn make_pointers(a: *const u8, b: *mut (), n: usize) { let _slice_const: *const [u16] = aggregate_raw_ptr(a, n); let _slice_mut: *mut [u64] = aggregate_raw_ptr(b, n); } + +// EMIT_MIR lower_intrinsics.get_metadata.LowerIntrinsics.diff +pub fn get_metadata(a: *const i32, b: *const [u8], c: *const dyn std::fmt::Debug) { + use std::intrinsics::ptr_metadata; + + let _unit = ptr_metadata(a); + let _usize = ptr_metadata(b); + let _vtable = ptr_metadata(c); +} diff --git a/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_fat.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_fat.PreCodegen.after.panic-abort.mir index db0c84bd560f..ea4ed2713056 100644 --- a/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_fat.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_fat.PreCodegen.after.panic-abort.mir @@ -13,9 +13,8 @@ fn demo_byte_add_fat(_1: *const [u32], _2: usize) -> *const [u32] { } scope 4 (inlined std::ptr::const_ptr::::with_metadata_of::<[u32]>) { let mut _5: *const (); - let mut _7: usize; + let mut _6: usize; scope 5 (inlined std::ptr::metadata::<[u32]>) { - let mut _6: std::ptr::metadata::PtrRepr<[u32]>; } scope 6 (inlined std::ptr::from_raw_parts::<[u32]>) { } @@ -30,13 +29,10 @@ fn demo_byte_add_fat(_1: *const [u32], _2: usize) -> *const [u32] { StorageDead(_3); StorageLive(_5); _5 = _4 as *const () (PtrToPtr); - StorageLive(_7); StorageLive(_6); - _6 = std::ptr::metadata::PtrRepr::<[u32]> { const_ptr: _1 }; - _7 = ((_6.2: std::ptr::metadata::PtrComponents<[u32]>).1: usize); + _6 = PtrMetadata(_1); + _0 = *const [u32] from (_5, _6); StorageDead(_6); - _0 = *const [u32] from (_5, _7); - StorageDead(_7); StorageDead(_5); StorageDead(_4); return; diff --git a/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_fat.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_fat.PreCodegen.after.panic-unwind.mir index db0c84bd560f..ea4ed2713056 100644 --- a/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_fat.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_fat.PreCodegen.after.panic-unwind.mir @@ -13,9 +13,8 @@ fn demo_byte_add_fat(_1: *const [u32], _2: usize) -> *const [u32] { } scope 4 (inlined std::ptr::const_ptr::::with_metadata_of::<[u32]>) { let mut _5: *const (); - let mut _7: usize; + let mut _6: usize; scope 5 (inlined std::ptr::metadata::<[u32]>) { - let mut _6: std::ptr::metadata::PtrRepr<[u32]>; } scope 6 (inlined std::ptr::from_raw_parts::<[u32]>) { } @@ -30,13 +29,10 @@ fn demo_byte_add_fat(_1: *const [u32], _2: usize) -> *const [u32] { StorageDead(_3); StorageLive(_5); _5 = _4 as *const () (PtrToPtr); - StorageLive(_7); StorageLive(_6); - _6 = std::ptr::metadata::PtrRepr::<[u32]> { const_ptr: _1 }; - _7 = ((_6.2: std::ptr::metadata::PtrComponents<[u32]>).1: usize); + _6 = PtrMetadata(_1); + _0 = *const [u32] from (_5, _6); StorageDead(_6); - _0 = *const [u32] from (_5, _7); - StorageDead(_7); StorageDead(_5); StorageDead(_4); return; From 7150839552b56eb116e1edc7ebafdc949f92ac7e Mon Sep 17 00:00:00 2001 From: Scott McMurray Date: Sat, 25 May 2024 02:11:45 -0700 Subject: [PATCH 0672/1716] Add custom mir support for `PtrMetadata` --- .../src/build/custom/parse/instruction.rs | 1 + compiler/rustc_span/src/symbol.rs | 1 + library/core/src/intrinsics/mir.rs | 4 ++++ .../building/custom/operators.g.runtime.after.mir | 13 +++++++++++++ tests/mir-opt/building/custom/operators.rs | 10 ++++++++++ 5 files changed, 29 insertions(+) create mode 100644 tests/mir-opt/building/custom/operators.g.runtime.after.mir diff --git a/compiler/rustc_mir_build/src/build/custom/parse/instruction.rs b/compiler/rustc_mir_build/src/build/custom/parse/instruction.rs index 6f8cfc3af447..de748b9c85d1 100644 --- a/compiler/rustc_mir_build/src/build/custom/parse/instruction.rs +++ b/compiler/rustc_mir_build/src/build/custom/parse/instruction.rs @@ -212,6 +212,7 @@ impl<'tcx, 'body> ParseCtxt<'tcx, 'body> { Ok(Rvalue::BinaryOp(BinOp::Offset, Box::new((ptr, offset)))) }, @call(mir_len, args) => Ok(Rvalue::Len(self.parse_place(args[0])?)), + @call(mir_ptr_metadata, args) => Ok(Rvalue::UnaryOp(UnOp::PtrMetadata, self.parse_operand(args[0])?)), @call(mir_copy_for_deref, args) => Ok(Rvalue::CopyForDeref(self.parse_place(args[0])?)), ExprKind::Borrow { borrow_kind, arg } => Ok( Rvalue::Ref(self.tcx.lifetimes.re_erased, *borrow_kind, self.parse_place(*arg)?) diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index b025fe5454c2..90da220b3f54 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -1179,6 +1179,7 @@ symbols! { mir_make_place, mir_move, mir_offset, + mir_ptr_metadata, mir_retag, mir_return, mir_return_to, diff --git a/library/core/src/intrinsics/mir.rs b/library/core/src/intrinsics/mir.rs index 02665b2676cc..fa5bb28adff9 100644 --- a/library/core/src/intrinsics/mir.rs +++ b/library/core/src/intrinsics/mir.rs @@ -360,6 +360,10 @@ define!("mir_assume", fn Assume(operand: bool)); define!("mir_deinit", fn Deinit(place: T)); define!("mir_checked", fn Checked(binop: T) -> (T, bool)); define!("mir_len", fn Len(place: T) -> usize); +define!( + "mir_ptr_metadata", + fn PtrMetadata(place: *const P) ->

::Metadata +); define!("mir_copy_for_deref", fn CopyForDeref(place: T) -> T); define!("mir_retag", fn Retag(place: T)); define!("mir_move", fn Move(place: T) -> T); diff --git a/tests/mir-opt/building/custom/operators.g.runtime.after.mir b/tests/mir-opt/building/custom/operators.g.runtime.after.mir new file mode 100644 index 000000000000..a0ad7d0f93f4 --- /dev/null +++ b/tests/mir-opt/building/custom/operators.g.runtime.after.mir @@ -0,0 +1,13 @@ +// MIR for `g` after runtime + +fn g(_1: *const i32, _2: *const [i32]) -> () { + let mut _0: (); + let mut _3: (); + let mut _4: usize; + + bb0: { + _3 = PtrMetadata(_1); + _4 = PtrMetadata(_2); + return; + } +} diff --git a/tests/mir-opt/building/custom/operators.rs b/tests/mir-opt/building/custom/operators.rs index eb97bcc73b7e..ff0e8dcbb415 100644 --- a/tests/mir-opt/building/custom/operators.rs +++ b/tests/mir-opt/building/custom/operators.rs @@ -30,3 +30,13 @@ pub fn f(a: i32, b: bool) -> i32 { Return() }) } + +// EMIT_MIR operators.g.runtime.after.mir +#[custom_mir(dialect = "runtime")] +pub fn g(p: *const i32, q: *const [i32]) { + mir!({ + let a = PtrMetadata(p); + let b = PtrMetadata(q); + Return() + }) +} From 5a8c1f372a009f11f7bfd0319dc1293ed40b5f22 Mon Sep 17 00:00:00 2001 From: Scott McMurray Date: Sun, 26 May 2024 14:20:32 -0700 Subject: [PATCH 0673/1716] Add Miri tests for `PtrMetadata` UB --- .../ptr_metadata_uninit_slice_data.rs | 22 ++++++++++++ .../ptr_metadata_uninit_slice_data.stderr | 20 +++++++++++ .../ptr_metadata_uninit_slice_len.rs | 22 ++++++++++++ .../ptr_metadata_uninit_slice_len.stderr | 35 +++++++++++++++++++ .../intrinsics/ptr_metadata_uninit_thin.rs | 23 ++++++++++++ .../ptr_metadata_uninit_thin.stderr | 20 +++++++++++ 6 files changed, 142 insertions(+) create mode 100644 src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_data.rs create mode 100644 src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_data.stderr create mode 100644 src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_len.rs create mode 100644 src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_len.stderr create mode 100644 src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_thin.rs create mode 100644 src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_thin.stderr diff --git a/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_data.rs b/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_data.rs new file mode 100644 index 000000000000..ff23f1e729e8 --- /dev/null +++ b/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_data.rs @@ -0,0 +1,22 @@ +//@compile-flags: -Zmiri-disable-validation +#![feature(core_intrinsics, custom_mir)] +use std::intrinsics::mir::*; + +// This disables validation and uses custom MIR hit exactly the UB in the intrinsic, +// rather than getting UB from the typed load or parameter passing. + +#[custom_mir(dialect = "runtime")] +pub unsafe fn deref_meta(p: *const *const [i32]) -> usize { + mir!({ + RET = PtrMetadata(*p); //~ ERROR: Undefined Behavior: using uninitialized data + Return() + }) +} + +fn main() { + let mut p = std::mem::MaybeUninit::<*const [i32]>::uninit(); + unsafe { + (*p.as_mut_ptr().cast::<[usize; 2]>())[1] = 4; + let _meta = deref_meta(p.as_ptr().cast()); + } +} diff --git a/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_data.stderr b/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_data.stderr new file mode 100644 index 000000000000..61e1541d1ee4 --- /dev/null +++ b/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_data.stderr @@ -0,0 +1,20 @@ +error: Undefined Behavior: using uninitialized data, but this operation requires initialized memory + --> $DIR/ptr_metadata_uninit_slice_data.rs:LL:CC + | +LL | RET = PtrMetadata(*p); + | ^^^^^^^^^^^^^^^^^^^^^ using uninitialized data, but this operation requires initialized memory + | + = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior + = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information + = note: BACKTRACE: + = note: inside `deref_meta` at $DIR/ptr_metadata_uninit_slice_data.rs:LL:CC +note: inside `main` + --> $DIR/ptr_metadata_uninit_slice_data.rs:LL:CC + | +LL | let _meta = deref_meta(p.as_ptr().cast()); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace + +error: aborting due to 1 previous error + diff --git a/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_len.rs b/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_len.rs new file mode 100644 index 000000000000..65f74c0acdd6 --- /dev/null +++ b/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_len.rs @@ -0,0 +1,22 @@ +//@compile-flags: -Zmiri-disable-validation +#![feature(core_intrinsics, custom_mir)] +use std::intrinsics::mir::*; + +// This disables validation and uses custom MIR hit exactly the UB in the intrinsic, +// rather than getting UB from the typed load or parameter passing. + +#[custom_mir(dialect = "runtime")] +pub unsafe fn deref_meta(p: *const *const [i32]) -> usize { + mir!({ + RET = PtrMetadata(*p); //~ ERROR: Undefined Behavior: using uninitialized data + Return() + }) +} + +fn main() { + let mut p = std::mem::MaybeUninit::<*const [i32]>::uninit(); + unsafe { + (*p.as_mut_ptr().cast::<[*const i32; 2]>())[0] = 4 as *const i32; + let _meta = deref_meta(p.as_ptr().cast()); + } +} diff --git a/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_len.stderr b/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_len.stderr new file mode 100644 index 000000000000..de559263a326 --- /dev/null +++ b/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_len.stderr @@ -0,0 +1,35 @@ +warning: integer-to-pointer cast + --> $DIR/ptr_metadata_uninit_slice_len.rs:LL:CC + | +LL | (*p.as_mut_ptr().cast::<[*const i32; 2]>())[0] = 4 as *const i32; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ integer-to-pointer cast + | + = help: This program is using integer-to-pointer casts or (equivalently) `ptr::with_exposed_provenance`, + = help: which means that Miri might miss pointer bugs in this program. + = help: See https://doc.rust-lang.org/nightly/std/ptr/fn.with_exposed_provenance.html for more details on that operation. + = help: To ensure that Miri does not miss bugs in your program, use Strict Provenance APIs (https://doc.rust-lang.org/nightly/std/ptr/index.html#strict-provenance, https://crates.io/crates/sptr) instead. + = help: You can then pass the `-Zmiri-strict-provenance` flag to Miri, to ensure you are not relying on `with_exposed_provenance` semantics. + = help: Alternatively, the `-Zmiri-permissive-provenance` flag disables this warning. + = note: BACKTRACE: + = note: inside `main` at $DIR/ptr_metadata_uninit_slice_len.rs:LL:CC + +error: Undefined Behavior: using uninitialized data, but this operation requires initialized memory + --> $DIR/ptr_metadata_uninit_slice_len.rs:LL:CC + | +LL | RET = PtrMetadata(*p); + | ^^^^^^^^^^^^^^^^^^^^^ using uninitialized data, but this operation requires initialized memory + | + = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior + = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information + = note: BACKTRACE: + = note: inside `deref_meta` at $DIR/ptr_metadata_uninit_slice_len.rs:LL:CC +note: inside `main` + --> $DIR/ptr_metadata_uninit_slice_len.rs:LL:CC + | +LL | let _meta = deref_meta(p.as_ptr().cast()); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace + +error: aborting due to 1 previous error; 1 warning emitted + diff --git a/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_thin.rs b/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_thin.rs new file mode 100644 index 000000000000..ad2e9fc800eb --- /dev/null +++ b/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_thin.rs @@ -0,0 +1,23 @@ +//@compile-flags: -Zmiri-disable-validation +#![feature(core_intrinsics, custom_mir)] +use std::intrinsics::mir::*; + +// This disables validation and uses custom MIR hit exactly the UB in the intrinsic, +// rather than getting UB from the typed load or parameter passing. + +#[custom_mir(dialect = "runtime")] +pub unsafe fn deref_meta(p: *const *const i32) -> () { + mir!({ + RET = PtrMetadata(*p); //~ ERROR: Undefined Behavior: using uninitialized data + Return() + }) +} + +fn main() { + // Even though the meta is the trivially-valid `()`, this is still UB + + let p = std::mem::MaybeUninit::<*const i32>::uninit(); + unsafe { + let _meta = deref_meta(p.as_ptr()); + } +} diff --git a/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_thin.stderr b/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_thin.stderr new file mode 100644 index 000000000000..3ab2643afa72 --- /dev/null +++ b/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_thin.stderr @@ -0,0 +1,20 @@ +error: Undefined Behavior: using uninitialized data, but this operation requires initialized memory + --> $DIR/ptr_metadata_uninit_thin.rs:LL:CC + | +LL | RET = PtrMetadata(*p); + | ^^^^^^^^^^^^^^^^^^^^^ using uninitialized data, but this operation requires initialized memory + | + = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior + = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information + = note: BACKTRACE: + = note: inside `deref_meta` at $DIR/ptr_metadata_uninit_thin.rs:LL:CC +note: inside `main` + --> $DIR/ptr_metadata_uninit_thin.rs:LL:CC + | +LL | let _meta = deref_meta(p.as_ptr()); + | ^^^^^^^^^^^^^^^^^^^^^^ + +note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace + +error: aborting due to 1 previous error + From 57948c84ecf654bdbf29adcee095e7e10b1c0640 Mon Sep 17 00:00:00 2001 From: Scott McMurray Date: Mon, 27 May 2024 14:45:45 -0700 Subject: [PATCH 0674/1716] Add Miri smoke pass test for ptr_metadata intrinsic --- src/tools/miri/tests/pass/intrinsics/intrinsics.rs | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/src/tools/miri/tests/pass/intrinsics/intrinsics.rs b/src/tools/miri/tests/pass/intrinsics/intrinsics.rs index 0dda5aadce20..89289a25d50a 100644 --- a/src/tools/miri/tests/pass/intrinsics/intrinsics.rs +++ b/src/tools/miri/tests/pass/intrinsics/intrinsics.rs @@ -1,5 +1,5 @@ //@compile-flags: -Zmiri-permissive-provenance -#![feature(core_intrinsics, layout_for_ptr)] +#![feature(core_intrinsics, layout_for_ptr, ptr_metadata)] //! Tests for various intrinsics that do not fit anywhere else. use std::intrinsics; @@ -57,4 +57,10 @@ fn main() { // Make sure that even if the discriminant is stored together with data, the intrinsic returns // only the discriminant, nothing about the data. assert_eq!(discriminant(&Some(false)), discriminant(&Some(true))); + + let () = intrinsics::ptr_metadata(&[1, 2, 3]); + let len = intrinsics::ptr_metadata(&[1, 2, 3][..]); + assert_eq!(len, 3); + let dyn_meta = intrinsics::ptr_metadata(&[1, 2, 3] as &dyn std::fmt::Debug); + assert_eq!(dyn_meta.size_of(), 12); } From b4834a1c981b1ebddc9a4f33039f1348730540ba Mon Sep 17 00:00:00 2001 From: Oneirical Date: Tue, 28 May 2024 14:37:08 -0400 Subject: [PATCH 0675/1716] rewrite resolve-rename in rmake --- src/tools/run-make-support/src/rustc.rs | 6 ++++++ src/tools/tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/resolve-rename/Makefile | 7 ------- tests/run-make/resolve-rename/rmake.rs | 15 +++++++++++++++ 4 files changed, 21 insertions(+), 8 deletions(-) delete mode 100644 tests/run-make/resolve-rename/Makefile create mode 100644 tests/run-make/resolve-rename/rmake.rs diff --git a/src/tools/run-make-support/src/rustc.rs b/src/tools/run-make-support/src/rustc.rs index 1c83b630861c..3e4e61218caa 100644 --- a/src/tools/run-make-support/src/rustc.rs +++ b/src/tools/run-make-support/src/rustc.rs @@ -70,6 +70,12 @@ impl Rustc { self } + /// Add a suffix in each output filename. + pub fn extra_filename(&mut self, suffix: &str) -> &mut Self { + self.cmd.arg(format!("-Cextra-filename={suffix}")); + self + } + /// Specify type(s) of output files to generate. pub fn emit(&mut self, kinds: &str) -> &mut Self { self.cmd.arg(format!("--emit={kinds}")); diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 2329b8b44dea..845dd7f0eee9 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -216,7 +216,6 @@ run-make/remap-path-prefix-dwarf/Makefile run-make/remap-path-prefix/Makefile run-make/reproducible-build-2/Makefile run-make/reproducible-build/Makefile -run-make/resolve-rename/Makefile run-make/return-non-c-like-enum-from-c/Makefile run-make/return-non-c-like-enum/Makefile run-make/rlib-chain/Makefile diff --git a/tests/run-make/resolve-rename/Makefile b/tests/run-make/resolve-rename/Makefile deleted file mode 100644 index 00f83a5d6b2d..000000000000 --- a/tests/run-make/resolve-rename/Makefile +++ /dev/null @@ -1,7 +0,0 @@ -include ../tools.mk - -all: - $(RUSTC) -C extra-filename=-hash foo.rs - $(RUSTC) bar.rs - mv $(TMPDIR)/libfoo-hash.rlib $(TMPDIR)/libfoo-another-hash.rlib - $(RUSTC) baz.rs diff --git a/tests/run-make/resolve-rename/rmake.rs b/tests/run-make/resolve-rename/rmake.rs new file mode 100644 index 000000000000..7539d367758e --- /dev/null +++ b/tests/run-make/resolve-rename/rmake.rs @@ -0,0 +1,15 @@ +// If a library is compiled with -C extra-filename, the rust compiler +// will take this into account when searching for libraries. However, +// if that library is then renamed, the rust compiler should fall back +// to its regular library location logic and not immediately fail to find +// the renamed library. +// See https://github.com/rust-lang/rust/pull/49253 + +use run_make_support::{rustc, tmp_dir}; +use std::fs; +fn main() { + rustc().extra_filename("-hash").input("foo.rs").run(); + rustc().input("bar.rs").run(); + fs::rename(tmp_dir().join("libfoo-hash.rlib"), tmp_dir().join("libfoo-another-hash.rlib")); + rustc().input("baz.rs").run(); +} From 037577a95ab6963eb4877b183cfcbdbb56e25207 Mon Sep 17 00:00:00 2001 From: Weihang Lo Date: Tue, 28 May 2024 15:31:13 -0400 Subject: [PATCH 0676/1716] Update cargo --- src/tools/cargo | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/cargo b/src/tools/cargo index a8d72c675ee5..431db31d0dbe 160000 --- a/src/tools/cargo +++ b/src/tools/cargo @@ -1 +1 @@ -Subproject commit a8d72c675ee52dd57f0d8f2bae6655913c15b2fb +Subproject commit 431db31d0dbeda320caf8ef8535ea48eb3093407 From d553d5ba2d77feb67fde6649c03e8d1c486eb278 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Tue, 28 May 2024 15:41:51 -0400 Subject: [PATCH 0677/1716] rewrite incr-prev-body-beyond-eof in rmake --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - .../incr-prev-body-beyond-eof/Makefile | 19 ----------- .../incr-prev-body-beyond-eof/rmake.rs | 32 +++++++++++++++++++ 3 files changed, 32 insertions(+), 20 deletions(-) delete mode 100644 tests/run-make/incr-prev-body-beyond-eof/Makefile create mode 100644 tests/run-make/incr-prev-body-beyond-eof/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 845dd7f0eee9..4e69d67057a7 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -79,7 +79,6 @@ run-make/inaccessible-temp-dir/Makefile run-make/include_bytes_deps/Makefile run-make/incr-add-rust-src-component/Makefile run-make/incr-foreign-head-span/Makefile -run-make/incr-prev-body-beyond-eof/Makefile run-make/incremental-debugger-visualizer/Makefile run-make/incremental-session-fail/Makefile run-make/inline-always-many-cgu/Makefile diff --git a/tests/run-make/incr-prev-body-beyond-eof/Makefile b/tests/run-make/incr-prev-body-beyond-eof/Makefile deleted file mode 100644 index aa47552f52c9..000000000000 --- a/tests/run-make/incr-prev-body-beyond-eof/Makefile +++ /dev/null @@ -1,19 +0,0 @@ -# ignore-none no-std is not supported -# ignore-nvptx64-nvidia-cuda FIXME: can't find crate for `std` - -include ../tools.mk - -# Tests that we don't ICE during incremental compilation after modifying a -# function span such that its previous end line exceeds the number of lines -# in the new file, but its start line/column and length remain the same. - -SRC=$(TMPDIR)/src -INCR=$(TMPDIR)/incr - -all: - mkdir $(SRC) - mkdir $(INCR) - cp a.rs $(SRC)/main.rs - $(RUSTC) -C incremental=$(INCR) $(SRC)/main.rs --target $(TARGET) - cp b.rs $(SRC)/main.rs - $(RUSTC) -C incremental=$(INCR) $(SRC)/main.rs --target $(TARGET) diff --git a/tests/run-make/incr-prev-body-beyond-eof/rmake.rs b/tests/run-make/incr-prev-body-beyond-eof/rmake.rs new file mode 100644 index 000000000000..43f137fea20e --- /dev/null +++ b/tests/run-make/incr-prev-body-beyond-eof/rmake.rs @@ -0,0 +1,32 @@ +// After modifying the span of a function, if the length of +// the span remained the same but the end line number became different, +// this would cause an internal compiler error (ICE), fixed in #76256. + +// This test compiles main.rs twice, first with end line 16 and +// then with end line 12. If compilation is successful, the end line +// was hashed by rustc in addition to the span length, and the fix still +// works. + +// FIXME: Ignore flags temporarily disabled for the test. +// ignore-none +// ignore-nvptx64-nvidia-cuda + +use run_make_support::{rustc, target, tmp_dir}; +use std::fs; + +fn main() { + fs::create_dir(tmp_dir().join("src")); + fs::create_dir(tmp_dir().join("incr")); + fs::copy("a.rs", tmp_dir().join("main.rs")); + rustc() + .incremental(tmp_dir().join("incr")) + .input(tmp_dir().join("src/main.rs")) + .target(target()) + .run(); + fs::copy("b.rs", tmp_dir().join("main.rs")); + rustc() + .incremental(tmp_dir().join("incr")) + .input(tmp_dir().join("src/main.rs")) + .target(target()) + .run(); +} From 1a840e7732536bbf5c4d2f434d4af138983f4b0a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Esteban=20K=C3=BCber?= Date: Tue, 28 May 2024 20:05:01 +0000 Subject: [PATCH 0678/1716] Add test for incorrect pinning suggestion The following suggestion is incorrect, as it doesn't account for the binding: ``` error[E0599]: no method named `poll` found for type parameter `F` in the current scope --> $DIR/pin-needed-to-poll-3.rs:19:28 | LL | impl Future for FutureWrapper | - method `poll` not found for this type parameter ... LL | let res = self.fut.poll(cx); | ^^^^ method not found in `F` | help: consider pinning the expression | LL ~ let res = let mut pinned = std::pin::pin!(self.fut); LL ~ pinned.as_mut().poll(cx); | ``` --- tests/ui/async-await/pin-needed-to-poll-3.rs | 25 +++++++++++++++++++ .../async-await/pin-needed-to-poll-3.stderr | 18 +++++++++++++ 2 files changed, 43 insertions(+) create mode 100644 tests/ui/async-await/pin-needed-to-poll-3.rs create mode 100644 tests/ui/async-await/pin-needed-to-poll-3.stderr diff --git a/tests/ui/async-await/pin-needed-to-poll-3.rs b/tests/ui/async-await/pin-needed-to-poll-3.rs new file mode 100644 index 000000000000..11ba7d29abaf --- /dev/null +++ b/tests/ui/async-await/pin-needed-to-poll-3.rs @@ -0,0 +1,25 @@ +use std::{ + future::Future, + pin::Pin, + task::{Context, Poll}, +}; + + +struct FutureWrapper { + fut: F, +} + +impl Future for FutureWrapper +where + F: Future, +{ + type Output = F::Output; + + fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll { + let res = self.fut.poll(cx); + //~^ ERROR no method named `poll` found for type parameter `F` in the current scope + res + } +} + +fn main() {} diff --git a/tests/ui/async-await/pin-needed-to-poll-3.stderr b/tests/ui/async-await/pin-needed-to-poll-3.stderr new file mode 100644 index 000000000000..83a0808c4ecf --- /dev/null +++ b/tests/ui/async-await/pin-needed-to-poll-3.stderr @@ -0,0 +1,18 @@ +error[E0599]: no method named `poll` found for type parameter `F` in the current scope + --> $DIR/pin-needed-to-poll-3.rs:19:28 + | +LL | impl Future for FutureWrapper + | - method `poll` not found for this type parameter +... +LL | let res = self.fut.poll(cx); + | ^^^^ method not found in `F` + | +help: consider pinning the expression + | +LL ~ let res = let mut pinned = std::pin::pin!(self.fut); +LL ~ pinned.as_mut().poll(cx); + | + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0599`. From d5235f91ad4807a955bace31668c03c5afa353eb Mon Sep 17 00:00:00 2001 From: Paul Gey Date: Tue, 28 May 2024 22:28:55 +0200 Subject: [PATCH 0679/1716] Fix "local crate" detection `PackageId` is an opaque identifier whose internal format is subject to change, so looking up the names of local crates by ID is more robust than parsing the ID. Resolves #3643. --- src/tools/miri/cargo-miri/src/util.rs | 20 +++++++++----------- 1 file changed, 9 insertions(+), 11 deletions(-) diff --git a/src/tools/miri/cargo-miri/src/util.rs b/src/tools/miri/cargo-miri/src/util.rs index 5b6a391aabcd..f36cff1f7981 100644 --- a/src/tools/miri/cargo-miri/src/util.rs +++ b/src/tools/miri/cargo-miri/src/util.rs @@ -1,3 +1,4 @@ +use std::collections::HashMap; use std::env; use std::ffi::OsString; use std::fs::File; @@ -233,21 +234,18 @@ pub fn get_cargo_metadata() -> Metadata { } /// Pulls all the crates in this workspace from the cargo metadata. -/// Workspace members are emitted like "miri 0.1.0 (path+file:///path/to/miri)" /// Additionally, somewhere between cargo metadata and TyCtxt, '-' gets replaced with '_' so we /// make that same transformation here. pub fn local_crates(metadata: &Metadata) -> String { assert!(!metadata.workspace_members.is_empty()); - let mut local_crates = String::new(); - for member in &metadata.workspace_members { - let name = member.repr.split(' ').next().unwrap(); - let name = name.replace('-', "_"); - local_crates.push_str(&name); - local_crates.push(','); - } - local_crates.pop(); // Remove the trailing ',' - - local_crates + let package_name_by_id: HashMap<_, _> = + metadata.packages.iter().map(|package| (&package.id, package.name.as_str())).collect(); + metadata + .workspace_members + .iter() + .map(|id| package_name_by_id[id].replace('-', "_")) + .collect::>() + .join(",") } /// Debug-print a command that is going to be run. From 5585f3133c05a33e59cd352a32fdf171447a9b2b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Esteban=20K=C3=BCber?= Date: Tue, 28 May 2024 20:48:35 +0000 Subject: [PATCH 0680/1716] Account for existing bindings when suggesting pinning When we encounter a situation where we'd suggest `pin!()`, we now account for that expression exising as part of an assignment and provide an appropriate suggestion: ``` error[E0599]: no method named `poll` found for type parameter `F` in the current scope --> $DIR/pin-needed-to-poll-3.rs:19:28 | LL | impl Future for FutureWrapper | - method `poll` not found for this type parameter ... LL | let res = self.fut.poll(cx); | ^^^^ method not found in `F` | help: consider pinning the expression | LL ~ let mut pinned = std::pin::pin!(self.fut); LL ~ let res = pinned.as_mut().poll(cx); | ``` Fix #125661. --- .../rustc_hir_typeck/src/method/suggest.rs | 68 ++++++++++++++++--- .../async-await/pin-needed-to-poll-3.stderr | 4 +- 2 files changed, 62 insertions(+), 10 deletions(-) diff --git a/compiler/rustc_hir_typeck/src/method/suggest.rs b/compiler/rustc_hir_typeck/src/method/suggest.rs index 54af8354c4c7..75bb755183e2 100644 --- a/compiler/rustc_hir_typeck/src/method/suggest.rs +++ b/compiler/rustc_hir_typeck/src/method/suggest.rs @@ -3326,14 +3326,66 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { .source_map() .indentation_before(rcvr.span) .unwrap_or_else(|| " ".to_string()); - err.multipart_suggestion( - "consider pinning the expression", - vec![ - (rcvr.span.shrink_to_lo(), format!("let mut pinned = std::pin::pin!(")), - (rcvr.span.shrink_to_hi(), format!(");\n{indent}pinned.{pin_call}()")), - ], - Applicability::MaybeIncorrect, - ); + let mut expr = rcvr; + while let Node::Expr(call_expr) = self.tcx.parent_hir_node(expr.hir_id) + && let hir::ExprKind::MethodCall(hir::PathSegment { .. }, ..) = + call_expr.kind + { + expr = call_expr; + } + match self.tcx.parent_hir_node(expr.hir_id) { + Node::LetStmt(stmt) + if let Some(init) = stmt.init + && let Ok(code) = + self.tcx.sess.source_map().span_to_snippet(rcvr.span) => + { + // We need to take care to account for the existing binding when we + // suggest the code. + err.multipart_suggestion( + "consider pinning the expression", + vec![ + ( + stmt.span.shrink_to_lo(), + format!( + "let mut pinned = std::pin::pin!({code});\n{indent}" + ), + ), + ( + init.span.until(rcvr.span.shrink_to_hi()), + format!("pinned.{pin_call}()"), + ), + ], + Applicability::MaybeIncorrect, + ); + } + Node::Block(_) | Node::Stmt(_) => { + // There's no binding, so we can provide a slightly nicer looking + // suggestion. + err.multipart_suggestion( + "consider pinning the expression", + vec![ + ( + rcvr.span.shrink_to_lo(), + format!("let mut pinned = std::pin::pin!("), + ), + ( + rcvr.span.shrink_to_hi(), + format!(");\n{indent}pinned.{pin_call}()"), + ), + ], + Applicability::MaybeIncorrect, + ); + } + _ => { + // We don't quite know what the users' code looks like, so we don't + // provide a pinning suggestion. + err.span_help( + rcvr.span, + "consider pinning the expression with `std::pin::pin!()` and \ + assigning that to a new binding", + ); + } + } // We don't care about the other suggestions. alt_rcvr_sugg = true; } diff --git a/tests/ui/async-await/pin-needed-to-poll-3.stderr b/tests/ui/async-await/pin-needed-to-poll-3.stderr index 83a0808c4ecf..e4fbef69bacb 100644 --- a/tests/ui/async-await/pin-needed-to-poll-3.stderr +++ b/tests/ui/async-await/pin-needed-to-poll-3.stderr @@ -9,8 +9,8 @@ LL | let res = self.fut.poll(cx); | help: consider pinning the expression | -LL ~ let res = let mut pinned = std::pin::pin!(self.fut); -LL ~ pinned.as_mut().poll(cx); +LL ~ let mut pinned = std::pin::pin!(self.fut); +LL ~ let res = pinned.as_mut().poll(cx); | error: aborting due to 1 previous error From a126c110d9024fc5e87a4a202918c95df0798ef8 Mon Sep 17 00:00:00 2001 From: Lokathor Date: Tue, 28 May 2024 16:07:48 -0600 Subject: [PATCH 0681/1716] Reorder the TOC so that targets are put under their meta-group --- src/doc/rustc/src/SUMMARY.md | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/src/doc/rustc/src/SUMMARY.md b/src/doc/rustc/src/SUMMARY.md index c9c0ee4067f1..2de13218e495 100644 --- a/src/doc/rustc/src/SUMMARY.md +++ b/src/doc/rustc/src/SUMMARY.md @@ -26,10 +26,15 @@ - [aarch64-nintendo-switch-freestanding](platform-support/aarch64-nintendo-switch-freestanding.md) - [armeb-unknown-linux-gnueabi](platform-support/armeb-unknown-linux-gnueabi.md) - [arm-none-eabi](platform-support/arm-none-eabi.md) - - [armv4t-none-eabi](platform-support/armv4t-none-eabi.md) - - [armv5te-none-eabi](platform-support/armv5te-none-eabi.md) - - [armv7r-none-eabi](platform-support/armv7r-none-eabi.md) - - [armv8r-none-eabihf](platform-support/armv8r-none-eabihf.md) + - [armv4t-none-eabi](platform-support/armv4t-none-eabi.md) + - [armv5te-none-eabi](platform-support/armv5te-none-eabi.md) + - [armv7r-none-eabi](platform-support/armv7r-none-eabi.md) + - [armv8r-none-eabihf](platform-support/armv8r-none-eabihf.md) + - [thumbv6m-none-eabi](./platform-support/thumbv6m-none-eabi.md) + - [thumbv7em-none-eabi\*](./platform-support/thumbv7em-none-eabi.md) + - [thumbv7m-none-eabi](./platform-support/thumbv7m-none-eabi.md) + - [thumbv8m.base-none-eabi](./platform-support/thumbv8m.base-none-eabi.md) + - [thumbv8m.main-none-eabi\*](./platform-support/thumbv8m.main-none-eabi.md) - [armv6k-nintendo-3ds](platform-support/armv6k-nintendo-3ds.md) - [armv7-sony-vita-newlibeabihf](platform-support/armv7-sony-vita-newlibeabihf.md) - [armv7-unknown-linux-uclibceabi](platform-support/armv7-unknown-linux-uclibceabi.md) @@ -56,11 +61,6 @@ - [riscv32imac-unknown-xous-elf](platform-support/riscv32imac-unknown-xous-elf.md) - [riscv32*-unknown-none-elf](platform-support/riscv32-unknown-none-elf.md) - [sparc-unknown-none-elf](./platform-support/sparc-unknown-none-elf.md) - - [thumbv6m-none-eabi](./platform-support/thumbv6m-none-eabi.md) - - [thumbv7m-none-eabi](./platform-support/thumbv7m-none-eabi.md) - - [thumbv7em-none-eabi\*](./platform-support/thumbv7em-none-eabi.md) - - [thumbv8m.base-none-eabi](./platform-support/thumbv8m.base-none-eabi.md) - - [thumbv8m.main-none-eabi\*](./platform-support/thumbv8m.main-none-eabi.md) - [*-pc-windows-gnullvm](platform-support/pc-windows-gnullvm.md) - [\*-nto-qnx-\*](platform-support/nto-qnx.md) - [*-unikraft-linux-musl](platform-support/unikraft-linux-musl.md) From f6463142eecb238379e6ca06b81578ab0d8e1d32 Mon Sep 17 00:00:00 2001 From: Lokathor Date: Tue, 28 May 2024 16:15:28 -0600 Subject: [PATCH 0682/1716] make the fact that arm-none-eabi is a group of targets the first thing you see on the page. --- .../src/platform-support/arm-none-eabi.md | 26 ++++++++++++------- 1 file changed, 16 insertions(+), 10 deletions(-) diff --git a/src/doc/rustc/src/platform-support/arm-none-eabi.md b/src/doc/rustc/src/platform-support/arm-none-eabi.md index 0b1b10e4762e..09be74a805d1 100644 --- a/src/doc/rustc/src/platform-support/arm-none-eabi.md +++ b/src/doc/rustc/src/platform-support/arm-none-eabi.md @@ -1,6 +1,15 @@ # `{arm,thumb}*-none-eabi(hf)?` -## Tier 2 Target List +## Common Target Details + +This documentation covers details that apply to a range of bare-metal targets +for 32-bit Arm CPUs. The `arm-none-eabi` flavor of the GNU compiler toolchain is +often used to assist compilation to these targets. + +Details that apply only to only a specific target in this group are covered in +their own document. + +### Tier 2 Target List - Arm A-Profile Architectures - `armv7a-none-eabi` @@ -16,7 +25,7 @@ - *Legacy* Arm Architectures - None -## Tier 3 Target List +### Tier 3 Target List - Arm A-Profile Architectures - `armv7a-none-eabihf` @@ -28,11 +37,7 @@ - [`armv4t-none-eabi` and `thumbv4t-none-eabi`](armv4t-none-eabi.md) - [`armv5te-none-eabi` and `thumbv5te-none-eabi`](armv5te-none-eabi.md) -## Common Target Details - -This documentation covers details that apply to a range of bare-metal targets -for 32-bit Arm CPUs. In addition, target specific details may be covered in -their own document. +## Instruction Sets There are two 32-bit instruction set architectures (ISAs) defined by Arm: @@ -43,9 +48,10 @@ There are two 32-bit instruction set architectures (ISAs) defined by Arm: - The [*T32 ISA*][t32-isa], with a mix of 16-bit and 32-bit width instructions. Note that this term includes both the original 16-bit width *Thumb* ISA introduced with the Armv4T architecture in 1994, and the later 16/32-bit sized - *Thumb-2* ISA introduced with the Armv6T2 architecture in 2003. Again, these - ISAs have been revised by subsequent revisions to the relevant Arm - architecture specifications. + *Thumb-2* ISA introduced with the Armv6T2 architecture in 2003. + +Again, these ISAs have been revised by subsequent revisions to the relevant Arm +architecture specifications. There is also a 64-bit ISA with fixed-width 32-bit instructions called the *A64 ISA*, but targets which implement that instruction set generally start with From 144adf6787bbd25913bfd9b6288acf4d337555a0 Mon Sep 17 00:00:00 2001 From: Lokathor Date: Tue, 28 May 2024 17:08:19 -0600 Subject: [PATCH 0683/1716] update armv4t docs --- .../src/platform-support/armv4t-none-eabi.md | 21 ++++++++----------- 1 file changed, 9 insertions(+), 12 deletions(-) diff --git a/src/doc/rustc/src/platform-support/armv4t-none-eabi.md b/src/doc/rustc/src/platform-support/armv4t-none-eabi.md index f4c8dd46f1d0..ab8b4caaadff 100644 --- a/src/doc/rustc/src/platform-support/armv4t-none-eabi.md +++ b/src/doc/rustc/src/platform-support/armv4t-none-eabi.md @@ -1,16 +1,13 @@ -# armv4t-none-eabi +# armv4t-none-eabi / thumbv4t-none-eabi Tier 3 -Bare-metal target for any cpu in the Armv4T architecture family, supporting -ARM/Thumb code interworking (aka `A32`/`T32`), with ARM code as the default code -generation. +These two targets are part of the [`arm-none-eabi`](arm-none-eabi.md) target +group, and all the information there applies. -In particular this supports the Game Boy Advance (GBA), but there's nothing -GBA-specific with this target, so any Armv4T device should work fine. - -See [`arm-none-eabi`](arm-none-eabi.md) for information applicable to all -`arm-none-eabi` targets. +Both of these targets can be used on the Game Boy Advance (GBA), among other +things. On the GBA, one should usually use the `thumb` target to get the best +overall performance. ## Target Maintainers @@ -23,6 +20,6 @@ This is a cross-compiled target that you will need to emulate during testing. Because this is a device-agnostic target, and the exact emulator that you'll need depends on the specific device you want to run your code on. -For example, when programming for the Gameboy Advance, the -[mgba-test-runner](https://github.com/agbrs/agb) program could be used to make a -normal set of rust tests be run within the `mgba` emulator. +* When building for the GBA, [mgba-test-runner](https://github.com/agbrs/agb) + can be used to make a normal set of rust tests be run within the `mgba` + emulator. From 483485e19eb792e822f3388c6cf58785ab726cfa Mon Sep 17 00:00:00 2001 From: Ben Kimock Date: Mon, 27 May 2024 18:38:39 -0400 Subject: [PATCH 0684/1716] Add a benchmark for creating large uninit allocations --- .../miri/bench-cargo-miri/big-allocs/Cargo.lock | 7 +++++++ .../miri/bench-cargo-miri/big-allocs/Cargo.toml | 8 ++++++++ .../miri/bench-cargo-miri/big-allocs/src/main.rs | 13 +++++++++++++ 3 files changed, 28 insertions(+) create mode 100644 src/tools/miri/bench-cargo-miri/big-allocs/Cargo.lock create mode 100644 src/tools/miri/bench-cargo-miri/big-allocs/Cargo.toml create mode 100644 src/tools/miri/bench-cargo-miri/big-allocs/src/main.rs diff --git a/src/tools/miri/bench-cargo-miri/big-allocs/Cargo.lock b/src/tools/miri/bench-cargo-miri/big-allocs/Cargo.lock new file mode 100644 index 000000000000..da0db7f47ea4 --- /dev/null +++ b/src/tools/miri/bench-cargo-miri/big-allocs/Cargo.lock @@ -0,0 +1,7 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +version = 3 + +[[package]] +name = "big-allocs" +version = "0.1.0" diff --git a/src/tools/miri/bench-cargo-miri/big-allocs/Cargo.toml b/src/tools/miri/bench-cargo-miri/big-allocs/Cargo.toml new file mode 100644 index 000000000000..7234c9371cff --- /dev/null +++ b/src/tools/miri/bench-cargo-miri/big-allocs/Cargo.toml @@ -0,0 +1,8 @@ +[package] +name = "big-allocs" +version = "0.1.0" +edition = "2021" + +# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html + +[dependencies] diff --git a/src/tools/miri/bench-cargo-miri/big-allocs/src/main.rs b/src/tools/miri/bench-cargo-miri/big-allocs/src/main.rs new file mode 100644 index 000000000000..a1c1708cf3ba --- /dev/null +++ b/src/tools/miri/bench-cargo-miri/big-allocs/src/main.rs @@ -0,0 +1,13 @@ +//! This is a regression test for https://github.com/rust-lang/miri/issues/3637. +//! `Allocation`s are backed by a `Box<[u8]>`, which we create using `alloc_zeroed`, which should +//! make very large allocations cheap. But then we also need to not clone those `Allocation`s, or +//! we end up slow anyway. + +fn main() { + // We can't use too big of an allocation or this code will encounter an allocation failure in + // CI. Since the allocation can't be huge, we need to do a few iterations so that the effect + // we're trying to measure is clearly visible above the interpreter's startup time. + for _ in 0..10 { + drop(Vec::::with_capacity(512 * 1024 * 1024)); + } +} From d8704b9ac6e72c68920c08a559ce1eba264bef03 Mon Sep 17 00:00:00 2001 From: Lokathor Date: Tue, 28 May 2024 17:16:36 -0600 Subject: [PATCH 0685/1716] It's spelled "ARM", in all caps. --- .../src/platform-support/arm-none-eabi.md | 44 +++++++++---------- 1 file changed, 22 insertions(+), 22 deletions(-) diff --git a/src/doc/rustc/src/platform-support/arm-none-eabi.md b/src/doc/rustc/src/platform-support/arm-none-eabi.md index 09be74a805d1..aa8ab296fba5 100644 --- a/src/doc/rustc/src/platform-support/arm-none-eabi.md +++ b/src/doc/rustc/src/platform-support/arm-none-eabi.md @@ -3,7 +3,7 @@ ## Common Target Details This documentation covers details that apply to a range of bare-metal targets -for 32-bit Arm CPUs. The `arm-none-eabi` flavor of the GNU compiler toolchain is +for 32-bit ARM CPUs. The `arm-none-eabi` flavor of the GNU compiler toolchain is often used to assist compilation to these targets. Details that apply only to only a specific target in this group are covered in @@ -11,55 +11,55 @@ their own document. ### Tier 2 Target List -- Arm A-Profile Architectures +- ARM A-Profile Architectures - `armv7a-none-eabi` -- Arm R-Profile Architectures +- ARM R-Profile Architectures - [`armv7r-none-eabi` and `armv7r-none-eabihf`](armv7r-none-eabi.md) - [`armebv7r-none-eabi` and `armebv7r-none-eabihf`](armv7r-none-eabi.md) -- Arm M-Profile Architectures +- ARM M-Profile Architectures - [`thumbv6m-none-eabi`](thumbv6m-none-eabi.md) - [`thumbv7m-none-eabi`](thumbv7m-none-eabi.md) - [`thumbv7em-none-eabi` and `thumbv7em-none-eabihf`](thumbv7em-none-eabi.md) - [`thumbv8m.base-none-eabi`](thumbv8m.base-none-eabi.md) - [`thumbv8m.main-none-eabi` and `thumbv8m.main-none-eabihf`](thumbv8m.main-none-eabi.md) -- *Legacy* Arm Architectures +- *Legacy* ARM Architectures - None ### Tier 3 Target List -- Arm A-Profile Architectures +- ARM A-Profile Architectures - `armv7a-none-eabihf` -- Arm R-Profile Architectures +- ARM R-Profile Architectures - [`armv8r-none-eabihf`](armv8r-none-eabihf.md) -- Arm M-Profile Architectures +- ARM M-Profile Architectures - None -- *Legacy* Arm Architectures +- *Legacy* ARM Architectures - [`armv4t-none-eabi` and `thumbv4t-none-eabi`](armv4t-none-eabi.md) - [`armv5te-none-eabi` and `thumbv5te-none-eabi`](armv5te-none-eabi.md) ## Instruction Sets -There are two 32-bit instruction set architectures (ISAs) defined by Arm: +There are two 32-bit instruction set architectures (ISAs) defined by ARM: - The [*A32 ISA*][a32-isa], with fixed-width 32-bit instructions. Previously - known as the *Arm* ISA, this originated with the original ARM1 of 1985 and has + known as the *ARM* ISA, this originated with the original ARM1 of 1985 and has been updated by various revisions to the architecture specifications ever since. - The [*T32 ISA*][t32-isa], with a mix of 16-bit and 32-bit width instructions. Note that this term includes both the original 16-bit width *Thumb* ISA - introduced with the Armv4T architecture in 1994, and the later 16/32-bit sized - *Thumb-2* ISA introduced with the Armv6T2 architecture in 2003. + introduced with the ARMv4T architecture in 1994, and the later 16/32-bit sized + *Thumb-2* ISA introduced with the ARMv6T2 architecture in 2003. -Again, these ISAs have been revised by subsequent revisions to the relevant Arm +Again, these ISAs have been revised by subsequent revisions to the relevant ARM architecture specifications. There is also a 64-bit ISA with fixed-width 32-bit instructions called the *A64 ISA*, but targets which implement that instruction set generally start with `aarch64*` and are discussed elsewhere. -Rust targets starting with `arm*` generate Arm (A32) code by default, whilst -targets named `thumb*` generate Thumb (T32) code by default. Most Arm chips -support both Thumb mode and Arm mode, with the notable exception that M-profile +Rust targets starting with `arm*` generate ARM (A32) code by default, whilst +targets named `thumb*` generate Thumb (T32) code by default. Most ARM chips +support both Thumb mode and ARM mode, with the notable exception that M-profile processors (`thumbv*m*-none-eabi*` targets) *only* support Thumb-mode. Rust targets ending with `eabi` use the so-called *soft-float ABI*: functions @@ -92,14 +92,14 @@ instructions. ## Target CPU and Target Feature options -It is possible to tell Rust (or LLVM) that you have a specific model of Arm +It is possible to tell Rust (or LLVM) that you have a specific model of ARM processor, using the [`-C target-cpu`][target-cpu] option. You can also control whether Rust (or LLVM) will include instructions that target optional hardware features, e.g. hardware floating-point, or Advanced SIMD operations, using [`-C target-feature`][target-feature]. It is important to note that selecting a *target-cpu* will typically enable -*all* the optional features available from Arm on that model of CPU and your +*all* the optional features available from ARM on that model of CPU and your particular implementation of that CPU may not have those features available. In that case, you can use `-C target-feature=-option` to turn off the specific CPU features you do not have available, leaving you with the optimized instruction @@ -116,7 +116,7 @@ uses (likely linker related ones): ```toml rustflags = [ - # Usual Arm bare-metal linker setup + # Usual ARM bare-metal linker setup "-Clink-arg=-Tlink.x", "-Clink-arg=--nmagic", # tell Rust we have a Cortex-M55 @@ -139,7 +139,7 @@ These targets are cross-compiled and use static linking. By default, the `lld` linker included with Rust will be used; however, you may want to use the GNU linker instead. This can be obtained for Windows/Mac/Linux -from the [Arm Developer Website][arm-gnu-toolchain], or possibly from your OS's +from the [ARM Developer Website][arm-gnu-toolchain], or possibly from your OS's package manager. To use it, add the following to your `.cargo/config.toml`: ```toml @@ -185,7 +185,7 @@ Most of `core` should work as expected, with the following notes: specific kind of FPU) * Integer division is also emulated in software on some targets, depending on the target, `target-cpu` and `target-feature`s. -* Older Arm architectures (e.g. Armv4, Armv5TE and Armv6-M) are limited to basic +* Older ARM architectures (e.g. ARMv4, ARMv5TE and ARMv6-M) are limited to basic [`load`][atomic-load] and [`store`][atomic-store] operations, and not more advanced operations like [`fetch_add`][fetch-add] or [`compare_exchange`][compare-exchange]. From bb1f5c38c053905953e7310f9e2d9e29acfc3ad9 Mon Sep 17 00:00:00 2001 From: Lokathor Date: Tue, 28 May 2024 17:30:30 -0600 Subject: [PATCH 0686/1716] delete the offending single space. --- src/doc/rustc/src/platform-support/arm-none-eabi.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/doc/rustc/src/platform-support/arm-none-eabi.md b/src/doc/rustc/src/platform-support/arm-none-eabi.md index aa8ab296fba5..09f3461cb980 100644 --- a/src/doc/rustc/src/platform-support/arm-none-eabi.md +++ b/src/doc/rustc/src/platform-support/arm-none-eabi.md @@ -5,7 +5,7 @@ This documentation covers details that apply to a range of bare-metal targets for 32-bit ARM CPUs. The `arm-none-eabi` flavor of the GNU compiler toolchain is often used to assist compilation to these targets. - + Details that apply only to only a specific target in this group are covered in their own document. From 4dcab72c1c796c51afb3f68c554b22e7ff222a64 Mon Sep 17 00:00:00 2001 From: Lzu Tao Date: Wed, 29 May 2024 09:18:09 +0700 Subject: [PATCH 0687/1716] add test for *&[a, b,...]` --- tests/ui/deref_addrof.fixed | 4 ++++ tests/ui/deref_addrof.rs | 4 ++++ tests/ui/deref_addrof.stderr | 18 +++++++++++++++--- 3 files changed, 23 insertions(+), 3 deletions(-) diff --git a/tests/ui/deref_addrof.fixed b/tests/ui/deref_addrof.fixed index aa1cf19b76f9..db7c44c4c631 100644 --- a/tests/ui/deref_addrof.fixed +++ b/tests/ui/deref_addrof.fixed @@ -43,6 +43,10 @@ fn main() { let b = *aref; let _ = unsafe { *core::ptr::addr_of!(a) }; + + // do NOT lint for array as sematic differences with/out `*&`. + let _repeat = [0; 64]; + let _arr = [0, 1, 2, 3, 4]; } #[derive(Copy, Clone)] diff --git a/tests/ui/deref_addrof.rs b/tests/ui/deref_addrof.rs index 38796aef390e..79b82a76a139 100644 --- a/tests/ui/deref_addrof.rs +++ b/tests/ui/deref_addrof.rs @@ -43,6 +43,10 @@ fn main() { let b = **&aref; let _ = unsafe { *core::ptr::addr_of!(a) }; + + // do NOT lint for array as sematic differences with/out `*&`. + let _repeat = *&[0; 64]; + let _arr = *&[0, 1, 2, 3, 4]; } #[derive(Copy, Clone)] diff --git a/tests/ui/deref_addrof.stderr b/tests/ui/deref_addrof.stderr index 5e3cb417aa0e..856d775d932c 100644 --- a/tests/ui/deref_addrof.stderr +++ b/tests/ui/deref_addrof.stderr @@ -50,7 +50,19 @@ LL | let b = **&aref; | ^^^^^^ help: try: `aref` error: immediately dereferencing a reference - --> tests/ui/deref_addrof.rs:53:17 + --> tests/ui/deref_addrof.rs:48:19 + | +LL | let _repeat = *&[0; 64]; + | ^^^^^^^^^ help: try: `[0; 64]` + +error: immediately dereferencing a reference + --> tests/ui/deref_addrof.rs:49:16 + | +LL | let _arr = *&[0, 1, 2, 3, 4]; + | ^^^^^^^^^^^^^^^^^ help: try: `[0, 1, 2, 3, 4]` + +error: immediately dereferencing a reference + --> tests/ui/deref_addrof.rs:57:17 | LL | inline!(*& $(@expr self)) | ^^^^^^^^^^^^^^^^ help: try: `$(@expr self)` @@ -58,12 +70,12 @@ LL | inline!(*& $(@expr self)) = note: this error originates in the macro `__inline_mac_impl` (in Nightly builds, run with -Z macro-backtrace for more info) error: immediately dereferencing a reference - --> tests/ui/deref_addrof.rs:57:17 + --> tests/ui/deref_addrof.rs:61:17 | LL | inline!(*&mut $(@expr self)) | ^^^^^^^^^^^^^^^^^^^ help: try: `$(@expr self)` | = note: this error originates in the macro `__inline_mac_impl` (in Nightly builds, run with -Z macro-backtrace for more info) -error: aborting due to 10 previous errors +error: aborting due to 12 previous errors From 448d63e9469c293c3855867d29cbff210691db92 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Wed, 29 May 2024 14:06:53 +1000 Subject: [PATCH 0688/1716] Tweak various coverage test files for slightly nicer formatting For coverage tests, splitting code across multiple lines often makes the resulting coverage report easier to interpret, so we force rustfmt to retain line breaks by adding dummy line comments with `//`. --- tests/coverage/auxiliary/used_crate.rs | 10 +++---- tests/coverage/auxiliary/used_inline_crate.rs | 10 +++---- tests/coverage/coroutine.coverage | 4 +-- tests/coverage/coroutine.rs | 4 +-- tests/coverage/inline-dead.coverage | 2 +- tests/coverage/inline-dead.rs | 2 +- tests/coverage/inner_items.coverage | 2 +- tests/coverage/inner_items.rs | 2 +- tests/coverage/partial_eq.coverage | 2 +- tests/coverage/partial_eq.rs | 2 +- tests/coverage/try_error_result.cov-map | 12 ++++----- tests/coverage/try_error_result.coverage | 4 +-- tests/coverage/try_error_result.rs | 4 +-- tests/coverage/uses_crate.coverage | 26 +++++++++---------- tests/coverage/uses_inline_crate.coverage | 26 +++++++++---------- 15 files changed, 54 insertions(+), 58 deletions(-) diff --git a/tests/coverage/auxiliary/used_crate.rs b/tests/coverage/auxiliary/used_crate.rs index 72d479c74a68..c0556a5bb4cd 100644 --- a/tests/coverage/auxiliary/used_crate.rs +++ b/tests/coverage/auxiliary/used_crate.rs @@ -17,23 +17,23 @@ pub fn used_function() { } pub fn used_only_from_bin_crate_generic_function(arg: T) { - println!("used_only_from_bin_crate_generic_function with {:?}", arg); + println!("used_only_from_bin_crate_generic_function with {arg:?}"); } // Expect for above function: `Unexecuted instantiation` (see below) pub fn used_only_from_this_lib_crate_generic_function(arg: T) { - println!("used_only_from_this_lib_crate_generic_function with {:?}", arg); + println!("used_only_from_this_lib_crate_generic_function with {arg:?}"); } pub fn used_from_bin_crate_and_lib_crate_generic_function(arg: T) { - println!("used_from_bin_crate_and_lib_crate_generic_function with {:?}", arg); + println!("used_from_bin_crate_and_lib_crate_generic_function with {arg:?}"); } pub fn used_with_same_type_from_bin_crate_and_lib_crate_generic_function(arg: T) { - println!("used_with_same_type_from_bin_crate_and_lib_crate_generic_function with {:?}", arg); + println!("used_with_same_type_from_bin_crate_and_lib_crate_generic_function with {arg:?}"); } pub fn unused_generic_function(arg: T) { - println!("unused_generic_function with {:?}", arg); + println!("unused_generic_function with {arg:?}"); } pub fn unused_function() { diff --git a/tests/coverage/auxiliary/used_inline_crate.rs b/tests/coverage/auxiliary/used_inline_crate.rs index d5fe7478aa41..165d5c1e3096 100644 --- a/tests/coverage/auxiliary/used_inline_crate.rs +++ b/tests/coverage/auxiliary/used_inline_crate.rs @@ -31,28 +31,28 @@ pub fn used_inline_function() { #[inline(always)] pub fn used_only_from_bin_crate_generic_function(arg: T) { - println!("used_only_from_bin_crate_generic_function with {:?}", arg); + println!("used_only_from_bin_crate_generic_function with {arg:?}"); } // Expect for above function: `Unexecuted instantiation` (see notes in `used_crate.rs`) #[inline(always)] pub fn used_only_from_this_lib_crate_generic_function(arg: T) { - println!("used_only_from_this_lib_crate_generic_function with {:?}", arg); + println!("used_only_from_this_lib_crate_generic_function with {arg:?}"); } #[inline(always)] pub fn used_from_bin_crate_and_lib_crate_generic_function(arg: T) { - println!("used_from_bin_crate_and_lib_crate_generic_function with {:?}", arg); + println!("used_from_bin_crate_and_lib_crate_generic_function with {arg:?}"); } #[inline(always)] pub fn used_with_same_type_from_bin_crate_and_lib_crate_generic_function(arg: T) { - println!("used_with_same_type_from_bin_crate_and_lib_crate_generic_function with {:?}", arg); + println!("used_with_same_type_from_bin_crate_and_lib_crate_generic_function with {arg:?}"); } #[inline(always)] pub fn unused_generic_function(arg: T) { - println!("unused_generic_function with {:?}", arg); + println!("unused_generic_function with {arg:?}"); } #[inline(always)] diff --git a/tests/coverage/coroutine.coverage b/tests/coverage/coroutine.coverage index 68b52d198316..afe13b48ff6d 100644 --- a/tests/coverage/coroutine.coverage +++ b/tests/coverage/coroutine.coverage @@ -10,9 +10,9 @@ LL| |// to handle this condition, and still report dead block coverage. LL| 1|fn get_u32(val: bool) -> Result { LL| 1| if val { - LL| 1| Ok(1) + LL| 1| Ok(1) // LL| | } else { - LL| 0| Err(String::from("some error")) + LL| 0| Err(String::from("some error")) // LL| | } LL| 1|} LL| | diff --git a/tests/coverage/coroutine.rs b/tests/coverage/coroutine.rs index 7f72e0d8bd42..84d1b3304c57 100644 --- a/tests/coverage/coroutine.rs +++ b/tests/coverage/coroutine.rs @@ -10,9 +10,9 @@ use std::pin::Pin; // to handle this condition, and still report dead block coverage. fn get_u32(val: bool) -> Result { if val { - Ok(1) + Ok(1) // } else { - Err(String::from("some error")) + Err(String::from("some error")) // } } diff --git a/tests/coverage/inline-dead.coverage b/tests/coverage/inline-dead.coverage index a2d24fd2f6a6..c12668ce89a2 100644 --- a/tests/coverage/inline-dead.coverage +++ b/tests/coverage/inline-dead.coverage @@ -14,7 +14,7 @@ LL| |#[inline] LL| 1|fn live() -> u32 { LL| 1| if B { - LL| 0| dead() + LL| 0| dead() // LL| | } else { LL| 1| 0 LL| | } diff --git a/tests/coverage/inline-dead.rs b/tests/coverage/inline-dead.rs index 327e68c60bb7..4eb397a43fc1 100644 --- a/tests/coverage/inline-dead.rs +++ b/tests/coverage/inline-dead.rs @@ -13,7 +13,7 @@ fn main() { #[inline] fn live() -> u32 { if B { - dead() + dead() // } else { 0 } diff --git a/tests/coverage/inner_items.coverage b/tests/coverage/inner_items.coverage index 65493bcd9db4..152f3da1a221 100644 --- a/tests/coverage/inner_items.coverage +++ b/tests/coverage/inner_items.coverage @@ -52,7 +52,7 @@ ^0 LL| | LL| 1| let mut val = InStruct { - LL| 1| in_struct_field: 101, + LL| 1| in_struct_field: 101, // LL| 1| }; LL| 1| LL| 1| val.default_trait_func(); diff --git a/tests/coverage/inner_items.rs b/tests/coverage/inner_items.rs index bcb62b3031cd..4d513e612f06 100644 --- a/tests/coverage/inner_items.rs +++ b/tests/coverage/inner_items.rs @@ -50,7 +50,7 @@ fn main() { } let mut val = InStruct { - in_struct_field: 101, + in_struct_field: 101, // }; val.default_trait_func(); diff --git a/tests/coverage/partial_eq.coverage b/tests/coverage/partial_eq.coverage index 9de1c933570c..c6f9d5bf6a6a 100644 --- a/tests/coverage/partial_eq.coverage +++ b/tests/coverage/partial_eq.coverage @@ -26,7 +26,7 @@ LL| 1| "{:?} < {:?} = {}", LL| 1| version_3_2_1, LL| 1| version_3_3_0, - LL| 1| version_3_2_1 < version_3_3_0 + LL| 1| version_3_2_1 < version_3_3_0, // LL| 1| ); LL| 1|} LL| | diff --git a/tests/coverage/partial_eq.rs b/tests/coverage/partial_eq.rs index 825e266f111f..0e96dc2b6853 100644 --- a/tests/coverage/partial_eq.rs +++ b/tests/coverage/partial_eq.rs @@ -26,7 +26,7 @@ fn main() { "{:?} < {:?} = {}", version_3_2_1, version_3_3_0, - version_3_2_1 < version_3_3_0 + version_3_2_1 < version_3_3_0, // ); } diff --git a/tests/coverage/try_error_result.cov-map b/tests/coverage/try_error_result.cov-map index 49e6c7ceefca..9c18827d8e68 100644 --- a/tests/coverage/try_error_result.cov-map +++ b/tests/coverage/try_error_result.cov-map @@ -25,26 +25,26 @@ Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 2, 5) to (start + 0, 6) Function name: try_error_result::call -Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 04, 01, 01, 14, 05, 02, 09, 00, 10, 02, 02, 09, 00, 0f, 01, 02, 01, 00, 02] +Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 05, 01, 01, 14, 05, 02, 09, 00, 10, 02, 02, 09, 00, 0f, 01, 02, 01, 00, 02] Number of files: 1 - file 0 => global file 1 Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) Number of file 0 mappings: 4 -- Code(Counter(0)) at (prev + 4, 1) to (start + 1, 20) +- Code(Counter(0)) at (prev + 5, 1) to (start + 1, 20) - Code(Counter(1)) at (prev + 2, 9) to (start + 0, 16) - Code(Expression(0, Sub)) at (prev + 2, 9) to (start + 0, 15) = (c0 - c1) - Code(Counter(0)) at (prev + 2, 1) to (start + 0, 2) Function name: try_error_result::main -Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 73, 01, 02, 0c, 05, 03, 05, 00, 06, 02, 02, 05, 00, 0b, 01, 01, 01, 00, 02] +Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 71, 01, 02, 0c, 05, 03, 05, 00, 06, 02, 02, 05, 00, 0b, 01, 01, 01, 00, 02] Number of files: 1 - file 0 => global file 1 Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) Number of file 0 mappings: 4 -- Code(Counter(0)) at (prev + 115, 1) to (start + 2, 12) +- Code(Counter(0)) at (prev + 113, 1) to (start + 2, 12) - Code(Counter(1)) at (prev + 3, 5) to (start + 0, 6) - Code(Expression(0, Sub)) at (prev + 2, 5) to (start + 0, 11) = (c0 - c1) @@ -81,7 +81,7 @@ Number of file 0 mappings: 11 = (((c4 + Zero) + Zero) + c3) Function name: try_error_result::test2 -Raw bytes (280): 0x[01, 01, 24, 01, 07, 00, 09, 03, 0d, 41, 00, 1e, 00, 41, 00, 1e, 00, 41, 00, 4a, 00, 4e, 00, 52, 41, 03, 0d, 52, 41, 03, 0d, 4e, 00, 52, 41, 03, 0d, 4a, 00, 4e, 00, 52, 41, 03, 0d, 66, 00, 45, 00, 45, 00, 66, 00, 45, 00, 7a, 00, 4d, 00, 4d, 00, 7a, 00, 4d, 00, 83, 01, 0d, 87, 01, 00, 00, 8b, 01, 8f, 01, 00, 19, 00, 28, 01, 3e, 01, 03, 17, 03, 08, 09, 00, 0e, 52, 02, 09, 04, 1a, 41, 06, 0d, 00, 2f, 00, 00, 2f, 00, 30, 1e, 00, 31, 03, 35, 00, 04, 11, 00, 12, 1a, 02, 11, 04, 12, 00, 05, 11, 00, 14, 1a, 00, 17, 00, 41, 19, 00, 41, 00, 42, 00, 00, 43, 00, 5f, 00, 00, 5f, 00, 60, 00, 01, 0d, 00, 20, 00, 01, 11, 00, 14, 00, 00, 17, 00, 41, 00, 00, 41, 00, 42, 00, 00, 43, 00, 60, 00, 00, 60, 00, 61, 00, 01, 0d, 00, 20, 46, 04, 11, 00, 14, 4e, 00, 17, 00, 42, 00, 00, 42, 00, 43, 4a, 00, 44, 00, 61, 00, 00, 61, 00, 62, 46, 01, 0d, 00, 20, 62, 01, 11, 00, 14, 45, 00, 17, 01, 36, 00, 01, 36, 00, 37, 66, 01, 12, 00, 2f, 00, 00, 2f, 00, 30, 62, 01, 0d, 00, 20, 76, 01, 11, 00, 14, 4d, 00, 17, 01, 36, 00, 02, 11, 00, 12, 7a, 01, 12, 00, 2f, 00, 01, 11, 00, 12, 76, 02, 0d, 00, 20, 0d, 03, 05, 00, 0b, 7f, 01, 01, 00, 02] +Raw bytes (280): 0x[01, 01, 24, 01, 07, 00, 09, 03, 0d, 41, 00, 1e, 00, 41, 00, 1e, 00, 41, 00, 4a, 00, 4e, 00, 52, 41, 03, 0d, 52, 41, 03, 0d, 4e, 00, 52, 41, 03, 0d, 4a, 00, 4e, 00, 52, 41, 03, 0d, 66, 00, 45, 00, 45, 00, 66, 00, 45, 00, 7a, 00, 4d, 00, 4d, 00, 7a, 00, 4d, 00, 83, 01, 0d, 87, 01, 00, 00, 8b, 01, 8f, 01, 00, 19, 00, 28, 01, 3d, 01, 03, 17, 03, 08, 09, 00, 0e, 52, 02, 09, 04, 1a, 41, 06, 0d, 00, 2f, 00, 00, 2f, 00, 30, 1e, 00, 31, 03, 35, 00, 04, 11, 00, 12, 1a, 02, 11, 04, 12, 00, 05, 11, 00, 14, 1a, 00, 17, 00, 41, 19, 00, 41, 00, 42, 00, 00, 43, 00, 5f, 00, 00, 5f, 00, 60, 00, 01, 0d, 00, 20, 00, 01, 11, 00, 14, 00, 00, 17, 00, 41, 00, 00, 41, 00, 42, 00, 00, 43, 00, 60, 00, 00, 60, 00, 61, 00, 01, 0d, 00, 20, 46, 04, 11, 00, 14, 4e, 00, 17, 00, 42, 00, 00, 42, 00, 43, 4a, 00, 44, 00, 61, 00, 00, 61, 00, 62, 46, 01, 0d, 00, 20, 62, 01, 11, 00, 14, 45, 00, 17, 01, 36, 00, 01, 36, 00, 37, 66, 01, 12, 00, 2f, 00, 00, 2f, 00, 30, 62, 01, 0d, 00, 20, 76, 01, 11, 00, 14, 4d, 00, 17, 01, 36, 00, 02, 11, 00, 12, 7a, 01, 12, 00, 2f, 00, 01, 11, 00, 12, 76, 02, 0d, 00, 20, 0d, 03, 05, 00, 0b, 7f, 01, 01, 00, 02] Number of files: 1 - file 0 => global file 1 Number of expressions: 36 @@ -122,7 +122,7 @@ Number of expressions: 36 - expression 34 operands: lhs = Expression(35, Add), rhs = Zero - expression 35 operands: lhs = Counter(6), rhs = Zero Number of file 0 mappings: 40 -- Code(Counter(0)) at (prev + 62, 1) to (start + 3, 23) +- Code(Counter(0)) at (prev + 61, 1) to (start + 3, 23) - Code(Expression(0, Add)) at (prev + 8, 9) to (start + 0, 14) = (c0 + (Zero + c2)) - Code(Expression(20, Sub)) at (prev + 2, 9) to (start + 4, 26) diff --git a/tests/coverage/try_error_result.coverage b/tests/coverage/try_error_result.coverage index 6fbe8b8db13f..7100248f7df8 100644 --- a/tests/coverage/try_error_result.coverage +++ b/tests/coverage/try_error_result.coverage @@ -1,4 +1,5 @@ LL| |#![allow(unused_assignments)] + LL| |#![cfg_attr(rustfmt, rustfmt::skip)] LL| |//@ failure-status: 1 LL| | LL| 6|fn call(return_error: bool) -> Result<(), ()> { @@ -9,7 +10,6 @@ LL| | } LL| 6|} LL| | - LL| |#[rustfmt::skip] LL| 1|fn test1() -> Result<(), ()> { LL| 1| let mut LL| 1| countdown = 10 @@ -59,7 +59,6 @@ LL| 17| } LL| |} LL| | - LL| |#[rustfmt::skip] LL| 1|fn test2() -> Result<(), ()> { LL| 1| let thing1 = Thing1{}; LL| 1| let mut @@ -117,7 +116,6 @@ LL| 0| Ok(()) LL| 1|} LL| | - LL| |#[rustfmt::skip] LL| 1|fn main() -> Result<(), ()> { LL| 1| test1().expect_err("test1 should fail"); LL| 1| test2() diff --git a/tests/coverage/try_error_result.rs b/tests/coverage/try_error_result.rs index f36283c34c8b..1fd176c353d9 100644 --- a/tests/coverage/try_error_result.rs +++ b/tests/coverage/try_error_result.rs @@ -1,4 +1,5 @@ #![allow(unused_assignments)] +#![cfg_attr(rustfmt, rustfmt::skip)] //@ failure-status: 1 fn call(return_error: bool) -> Result<(), ()> { @@ -9,7 +10,6 @@ fn call(return_error: bool) -> Result<(), ()> { } } -#[rustfmt::skip] fn test1() -> Result<(), ()> { let mut countdown = 10 @@ -58,7 +58,6 @@ impl Thing2 { } } -#[rustfmt::skip] fn test2() -> Result<(), ()> { let thing1 = Thing1{}; let mut @@ -111,7 +110,6 @@ fn test2() -> Result<(), ()> { Ok(()) } -#[rustfmt::skip] fn main() -> Result<(), ()> { test1().expect_err("test1 should fail"); test2() diff --git a/tests/coverage/uses_crate.coverage b/tests/coverage/uses_crate.coverage index a6a570a08502..d001eeffd863 100644 --- a/tests/coverage/uses_crate.coverage +++ b/tests/coverage/uses_crate.coverage @@ -19,69 +19,69 @@ $DIR/auxiliary/used_crate.rs: LL| 1|} LL| | LL| 2|pub fn used_only_from_bin_crate_generic_function(arg: T) { - LL| 2| println!("used_only_from_bin_crate_generic_function with {:?}", arg); + LL| 2| println!("used_only_from_bin_crate_generic_function with {arg:?}"); LL| 2|} ------------------ | Unexecuted instantiation: used_crate::used_only_from_bin_crate_generic_function::<_> ------------------ | used_crate::used_only_from_bin_crate_generic_function::<&alloc::vec::Vec>: | LL| 1|pub fn used_only_from_bin_crate_generic_function(arg: T) { - | LL| 1| println!("used_only_from_bin_crate_generic_function with {:?}", arg); + | LL| 1| println!("used_only_from_bin_crate_generic_function with {arg:?}"); | LL| 1|} ------------------ | used_crate::used_only_from_bin_crate_generic_function::<&str>: | LL| 1|pub fn used_only_from_bin_crate_generic_function(arg: T) { - | LL| 1| println!("used_only_from_bin_crate_generic_function with {:?}", arg); + | LL| 1| println!("used_only_from_bin_crate_generic_function with {arg:?}"); | LL| 1|} ------------------ LL| |// Expect for above function: `Unexecuted instantiation` (see below) LL| 2|pub fn used_only_from_this_lib_crate_generic_function(arg: T) { - LL| 2| println!("used_only_from_this_lib_crate_generic_function with {:?}", arg); + LL| 2| println!("used_only_from_this_lib_crate_generic_function with {arg:?}"); LL| 2|} ------------------ | used_crate::used_only_from_this_lib_crate_generic_function::<&str>: | LL| 1|pub fn used_only_from_this_lib_crate_generic_function(arg: T) { - | LL| 1| println!("used_only_from_this_lib_crate_generic_function with {:?}", arg); + | LL| 1| println!("used_only_from_this_lib_crate_generic_function with {arg:?}"); | LL| 1|} ------------------ | used_crate::used_only_from_this_lib_crate_generic_function::>: | LL| 1|pub fn used_only_from_this_lib_crate_generic_function(arg: T) { - | LL| 1| println!("used_only_from_this_lib_crate_generic_function with {:?}", arg); + | LL| 1| println!("used_only_from_this_lib_crate_generic_function with {arg:?}"); | LL| 1|} ------------------ LL| | LL| 2|pub fn used_from_bin_crate_and_lib_crate_generic_function(arg: T) { - LL| 2| println!("used_from_bin_crate_and_lib_crate_generic_function with {:?}", arg); + LL| 2| println!("used_from_bin_crate_and_lib_crate_generic_function with {arg:?}"); LL| 2|} ------------------ | used_crate::used_from_bin_crate_and_lib_crate_generic_function::<&str>: | LL| 1|pub fn used_from_bin_crate_and_lib_crate_generic_function(arg: T) { - | LL| 1| println!("used_from_bin_crate_and_lib_crate_generic_function with {:?}", arg); + | LL| 1| println!("used_from_bin_crate_and_lib_crate_generic_function with {arg:?}"); | LL| 1|} ------------------ | used_crate::used_from_bin_crate_and_lib_crate_generic_function::>: | LL| 1|pub fn used_from_bin_crate_and_lib_crate_generic_function(arg: T) { - | LL| 1| println!("used_from_bin_crate_and_lib_crate_generic_function with {:?}", arg); + | LL| 1| println!("used_from_bin_crate_and_lib_crate_generic_function with {arg:?}"); | LL| 1|} ------------------ LL| | LL| 2|pub fn used_with_same_type_from_bin_crate_and_lib_crate_generic_function(arg: T) { - LL| 2| println!("used_with_same_type_from_bin_crate_and_lib_crate_generic_function with {:?}", arg); + LL| 2| println!("used_with_same_type_from_bin_crate_and_lib_crate_generic_function with {arg:?}"); LL| 2|} ------------------ | used_crate::used_with_same_type_from_bin_crate_and_lib_crate_generic_function::<&str>: | LL| 1|pub fn used_with_same_type_from_bin_crate_and_lib_crate_generic_function(arg: T) { - | LL| 1| println!("used_with_same_type_from_bin_crate_and_lib_crate_generic_function with {:?}", arg); + | LL| 1| println!("used_with_same_type_from_bin_crate_and_lib_crate_generic_function with {arg:?}"); | LL| 1|} ------------------ | used_crate::used_with_same_type_from_bin_crate_and_lib_crate_generic_function::<&str>: | LL| 1|pub fn used_with_same_type_from_bin_crate_and_lib_crate_generic_function(arg: T) { - | LL| 1| println!("used_with_same_type_from_bin_crate_and_lib_crate_generic_function with {:?}", arg); + | LL| 1| println!("used_with_same_type_from_bin_crate_and_lib_crate_generic_function with {arg:?}"); | LL| 1|} ------------------ LL| | LL| 0|pub fn unused_generic_function(arg: T) { - LL| 0| println!("unused_generic_function with {:?}", arg); + LL| 0| println!("unused_generic_function with {arg:?}"); LL| 0|} LL| | LL| 0|pub fn unused_function() { diff --git a/tests/coverage/uses_inline_crate.coverage b/tests/coverage/uses_inline_crate.coverage index 0c9735990c7e..832a5a6a62b4 100644 --- a/tests/coverage/uses_inline_crate.coverage +++ b/tests/coverage/uses_inline_crate.coverage @@ -34,74 +34,74 @@ $DIR/auxiliary/used_inline_crate.rs: LL| | LL| |#[inline(always)] LL| 2|pub fn used_only_from_bin_crate_generic_function(arg: T) { - LL| 2| println!("used_only_from_bin_crate_generic_function with {:?}", arg); + LL| 2| println!("used_only_from_bin_crate_generic_function with {arg:?}"); LL| 2|} ------------------ | Unexecuted instantiation: used_inline_crate::used_only_from_bin_crate_generic_function::<_> ------------------ | used_inline_crate::used_only_from_bin_crate_generic_function::<&alloc::vec::Vec>: | LL| 1|pub fn used_only_from_bin_crate_generic_function(arg: T) { - | LL| 1| println!("used_only_from_bin_crate_generic_function with {:?}", arg); + | LL| 1| println!("used_only_from_bin_crate_generic_function with {arg:?}"); | LL| 1|} ------------------ | used_inline_crate::used_only_from_bin_crate_generic_function::<&str>: | LL| 1|pub fn used_only_from_bin_crate_generic_function(arg: T) { - | LL| 1| println!("used_only_from_bin_crate_generic_function with {:?}", arg); + | LL| 1| println!("used_only_from_bin_crate_generic_function with {arg:?}"); | LL| 1|} ------------------ LL| |// Expect for above function: `Unexecuted instantiation` (see notes in `used_crate.rs`) LL| | LL| |#[inline(always)] LL| 4|pub fn used_only_from_this_lib_crate_generic_function(arg: T) { - LL| 4| println!("used_only_from_this_lib_crate_generic_function with {:?}", arg); + LL| 4| println!("used_only_from_this_lib_crate_generic_function with {arg:?}"); LL| 4|} ------------------ | used_inline_crate::used_only_from_this_lib_crate_generic_function::<&str>: | LL| 2|pub fn used_only_from_this_lib_crate_generic_function(arg: T) { - | LL| 2| println!("used_only_from_this_lib_crate_generic_function with {:?}", arg); + | LL| 2| println!("used_only_from_this_lib_crate_generic_function with {arg:?}"); | LL| 2|} ------------------ | used_inline_crate::used_only_from_this_lib_crate_generic_function::>: | LL| 2|pub fn used_only_from_this_lib_crate_generic_function(arg: T) { - | LL| 2| println!("used_only_from_this_lib_crate_generic_function with {:?}", arg); + | LL| 2| println!("used_only_from_this_lib_crate_generic_function with {arg:?}"); | LL| 2|} ------------------ LL| | LL| |#[inline(always)] LL| 3|pub fn used_from_bin_crate_and_lib_crate_generic_function(arg: T) { - LL| 3| println!("used_from_bin_crate_and_lib_crate_generic_function with {:?}", arg); + LL| 3| println!("used_from_bin_crate_and_lib_crate_generic_function with {arg:?}"); LL| 3|} ------------------ | used_inline_crate::used_from_bin_crate_and_lib_crate_generic_function::<&str>: | LL| 2|pub fn used_from_bin_crate_and_lib_crate_generic_function(arg: T) { - | LL| 2| println!("used_from_bin_crate_and_lib_crate_generic_function with {:?}", arg); + | LL| 2| println!("used_from_bin_crate_and_lib_crate_generic_function with {arg:?}"); | LL| 2|} ------------------ | used_inline_crate::used_from_bin_crate_and_lib_crate_generic_function::>: | LL| 1|pub fn used_from_bin_crate_and_lib_crate_generic_function(arg: T) { - | LL| 1| println!("used_from_bin_crate_and_lib_crate_generic_function with {:?}", arg); + | LL| 1| println!("used_from_bin_crate_and_lib_crate_generic_function with {arg:?}"); | LL| 1|} ------------------ LL| | LL| |#[inline(always)] LL| 3|pub fn used_with_same_type_from_bin_crate_and_lib_crate_generic_function(arg: T) { - LL| 3| println!("used_with_same_type_from_bin_crate_and_lib_crate_generic_function with {:?}", arg); + LL| 3| println!("used_with_same_type_from_bin_crate_and_lib_crate_generic_function with {arg:?}"); LL| 3|} ------------------ | used_inline_crate::used_with_same_type_from_bin_crate_and_lib_crate_generic_function::<&str>: | LL| 1|pub fn used_with_same_type_from_bin_crate_and_lib_crate_generic_function(arg: T) { - | LL| 1| println!("used_with_same_type_from_bin_crate_and_lib_crate_generic_function with {:?}", arg); + | LL| 1| println!("used_with_same_type_from_bin_crate_and_lib_crate_generic_function with {arg:?}"); | LL| 1|} ------------------ | used_inline_crate::used_with_same_type_from_bin_crate_and_lib_crate_generic_function::<&str>: | LL| 2|pub fn used_with_same_type_from_bin_crate_and_lib_crate_generic_function(arg: T) { - | LL| 2| println!("used_with_same_type_from_bin_crate_and_lib_crate_generic_function with {:?}", arg); + | LL| 2| println!("used_with_same_type_from_bin_crate_and_lib_crate_generic_function with {arg:?}"); | LL| 2|} ------------------ LL| | LL| |#[inline(always)] LL| 0|pub fn unused_generic_function(arg: T) { - LL| 0| println!("unused_generic_function with {:?}", arg); + LL| 0| println!("unused_generic_function with {arg:?}"); LL| 0|} LL| | LL| |#[inline(always)] From 9dc6e082791fe0f3116c34a922de75947883644c Mon Sep 17 00:00:00 2001 From: Zalathar Date: Wed, 29 May 2024 14:27:57 +1000 Subject: [PATCH 0689/1716] Manually run `x fmt` on all source files in `tests/coverage/` Currently we can't automatically enforce formatting on tests (see #125637), but we can at least keep things relatively tidy by occasionally running the formatter manually. This was done by temporarily commenting out the `"/tests/"` exclusion in `rustfmt.toml`, and then running `x fmt tests/coverage` and `x test coverage --bless`. --- tests/coverage/coroutine.cov-map | 8 ++++---- tests/coverage/coroutine.coverage | 3 ++- tests/coverage/coroutine.rs | 3 ++- tests/coverage/let_else_loop.cov-map | 6 +++--- tests/coverage/let_else_loop.coverage | 6 +----- tests/coverage/let_else_loop.rs | 6 +----- tests/coverage/partial_eq.cov-map | 8 ++++---- tests/coverage/partial_eq.coverage | 6 +----- tests/coverage/partial_eq.rs | 6 +----- tests/coverage/yield.cov-map | 14 +++++++------- tests/coverage/yield.coverage | 6 ++++-- tests/coverage/yield.rs | 6 ++++-- 12 files changed, 34 insertions(+), 44 deletions(-) diff --git a/tests/coverage/coroutine.cov-map b/tests/coverage/coroutine.cov-map index 6ead788b82f9..6ff5ed74a96d 100644 --- a/tests/coverage/coroutine.cov-map +++ b/tests/coverage/coroutine.cov-map @@ -12,7 +12,7 @@ Number of file 0 mappings: 4 - Code(Counter(0)) at (prev + 2, 1) to (start + 0, 2) Function name: coroutine::main -Raw bytes (65): 0x[01, 01, 08, 07, 0d, 05, 09, 11, 15, 1e, 19, 11, 15, 15, 19, 1e, 19, 11, 15, 09, 01, 13, 01, 02, 16, 01, 07, 0b, 00, 2e, 11, 01, 2b, 00, 2d, 03, 01, 0e, 00, 35, 11, 02, 0b, 00, 2e, 1e, 01, 22, 00, 27, 1a, 00, 2c, 00, 2e, 17, 01, 0e, 00, 35, 1a, 02, 01, 00, 02] +Raw bytes (65): 0x[01, 01, 08, 07, 0d, 05, 09, 11, 15, 1e, 19, 11, 15, 15, 19, 1e, 19, 11, 15, 09, 01, 13, 01, 02, 16, 01, 08, 0b, 00, 2e, 11, 01, 2b, 00, 2d, 03, 01, 0e, 00, 35, 11, 02, 0b, 00, 2e, 1e, 01, 22, 00, 27, 1a, 00, 2c, 00, 2e, 17, 01, 0e, 00, 35, 1a, 02, 01, 00, 02] Number of files: 1 - file 0 => global file 1 Number of expressions: 8 @@ -26,7 +26,7 @@ Number of expressions: 8 - expression 7 operands: lhs = Counter(4), rhs = Counter(5) Number of file 0 mappings: 9 - Code(Counter(0)) at (prev + 19, 1) to (start + 2, 22) -- Code(Counter(0)) at (prev + 7, 11) to (start + 0, 46) +- Code(Counter(0)) at (prev + 8, 11) to (start + 0, 46) - Code(Counter(4)) at (prev + 1, 43) to (start + 0, 45) - Code(Expression(0, Add)) at (prev + 1, 14) to (start + 0, 53) = ((c1 + c2) + c3) @@ -41,11 +41,11 @@ Number of file 0 mappings: 9 = ((c4 - c5) - c6) Function name: coroutine::main::{closure#0} -Raw bytes (14): 0x[01, 01, 00, 02, 01, 15, 29, 01, 1f, 05, 02, 10, 01, 06] +Raw bytes (14): 0x[01, 01, 00, 02, 01, 16, 08, 01, 1f, 05, 02, 10, 01, 06] Number of files: 1 - file 0 => global file 1 Number of expressions: 0 Number of file 0 mappings: 2 -- Code(Counter(0)) at (prev + 21, 41) to (start + 1, 31) +- Code(Counter(0)) at (prev + 22, 8) to (start + 1, 31) - Code(Counter(1)) at (prev + 2, 16) to (start + 1, 6) diff --git a/tests/coverage/coroutine.coverage b/tests/coverage/coroutine.coverage index afe13b48ff6d..611470c57738 100644 --- a/tests/coverage/coroutine.coverage +++ b/tests/coverage/coroutine.coverage @@ -18,7 +18,8 @@ LL| | LL| 1|fn main() { LL| 1| let is_true = std::env::args().len() == 1; - LL| 1| let mut coroutine = #[coroutine] || { + LL| 1| let mut coroutine = #[coroutine] + LL| 1| || { LL| 1| yield get_u32(is_true); LL| 1| return "foo"; LL| 1| }; diff --git a/tests/coverage/coroutine.rs b/tests/coverage/coroutine.rs index 84d1b3304c57..bd149764b373 100644 --- a/tests/coverage/coroutine.rs +++ b/tests/coverage/coroutine.rs @@ -18,7 +18,8 @@ fn get_u32(val: bool) -> Result { fn main() { let is_true = std::env::args().len() == 1; - let mut coroutine = #[coroutine] || { + let mut coroutine = #[coroutine] + || { yield get_u32(is_true); return "foo"; }; diff --git a/tests/coverage/let_else_loop.cov-map b/tests/coverage/let_else_loop.cov-map index b0cee3005220..13d0d08adb11 100644 --- a/tests/coverage/let_else_loop.cov-map +++ b/tests/coverage/let_else_loop.cov-map @@ -1,12 +1,12 @@ Function name: let_else_loop::_if (unused) -Raw bytes (19): 0x[01, 01, 00, 03, 00, 16, 01, 01, 0c, 00, 02, 09, 00, 10, 00, 02, 09, 00, 10] +Raw bytes (19): 0x[01, 01, 00, 03, 00, 16, 01, 01, 0c, 00, 01, 0f, 00, 16, 00, 00, 20, 00, 27] Number of files: 1 - file 0 => global file 1 Number of expressions: 0 Number of file 0 mappings: 3 - Code(Zero) at (prev + 22, 1) to (start + 1, 12) -- Code(Zero) at (prev + 2, 9) to (start + 0, 16) -- Code(Zero) at (prev + 2, 9) to (start + 0, 16) +- Code(Zero) at (prev + 1, 15) to (start + 0, 22) +- Code(Zero) at (prev + 0, 32) to (start + 0, 39) Function name: let_else_loop::_loop_either_way (unused) Raw bytes (19): 0x[01, 01, 00, 03, 00, 0f, 01, 01, 14, 00, 01, 1c, 00, 23, 00, 01, 05, 00, 0c] diff --git a/tests/coverage/let_else_loop.coverage b/tests/coverage/let_else_loop.coverage index d193c8ca1b51..bd13f6e56501 100644 --- a/tests/coverage/let_else_loop.coverage +++ b/tests/coverage/let_else_loop.coverage @@ -21,11 +21,7 @@ LL| |// Variant using regular `if` instead of let-else. LL| |// This doesn't trigger the original ICE, but might help detect regressions. LL| 0|fn _if(cond: bool) { - LL| 0| if cond { - LL| 0| loop {} - LL| | } else { - LL| 0| loop {} - LL| | } + LL| 0| if cond { loop {} } else { loop {} } LL| |} LL| | LL| |#[coverage(off)] diff --git a/tests/coverage/let_else_loop.rs b/tests/coverage/let_else_loop.rs index 12e0aeabcab9..8217c0d072a6 100644 --- a/tests/coverage/let_else_loop.rs +++ b/tests/coverage/let_else_loop.rs @@ -20,11 +20,7 @@ fn _loop_either_way(cond: bool) { // Variant using regular `if` instead of let-else. // This doesn't trigger the original ICE, but might help detect regressions. fn _if(cond: bool) { - if cond { - loop {} - } else { - loop {} - } + if cond { loop {} } else { loop {} } } #[coverage(off)] diff --git a/tests/coverage/partial_eq.cov-map b/tests/coverage/partial_eq.cov-map index 80670fbfa5a7..6c39ac0e378b 100644 --- a/tests/coverage/partial_eq.cov-map +++ b/tests/coverage/partial_eq.cov-map @@ -1,16 +1,16 @@ Function name: ::new -Raw bytes (9): 0x[01, 01, 00, 01, 01, 0c, 05, 06, 06] +Raw bytes (9): 0x[01, 01, 00, 01, 01, 0c, 05, 02, 06] Number of files: 1 - file 0 => global file 1 Number of expressions: 0 Number of file 0 mappings: 1 -- Code(Counter(0)) at (prev + 12, 5) to (start + 6, 6) +- Code(Counter(0)) at (prev + 12, 5) to (start + 2, 6) Function name: partial_eq::main -Raw bytes (9): 0x[01, 01, 00, 01, 01, 15, 01, 0a, 02] +Raw bytes (9): 0x[01, 01, 00, 01, 01, 11, 01, 0a, 02] Number of files: 1 - file 0 => global file 1 Number of expressions: 0 Number of file 0 mappings: 1 -- Code(Counter(0)) at (prev + 21, 1) to (start + 10, 2) +- Code(Counter(0)) at (prev + 17, 1) to (start + 10, 2) diff --git a/tests/coverage/partial_eq.coverage b/tests/coverage/partial_eq.coverage index c6f9d5bf6a6a..dc5b82b3c5f1 100644 --- a/tests/coverage/partial_eq.coverage +++ b/tests/coverage/partial_eq.coverage @@ -10,11 +10,7 @@ LL| | LL| |impl Version { LL| 2| pub fn new(major: usize, minor: usize, patch: usize) -> Self { - LL| 2| Self { - LL| 2| major, - LL| 2| minor, - LL| 2| patch, - LL| 2| } + LL| 2| Self { major, minor, patch } LL| 2| } LL| |} LL| | diff --git a/tests/coverage/partial_eq.rs b/tests/coverage/partial_eq.rs index 0e96dc2b6853..081502d4a9d6 100644 --- a/tests/coverage/partial_eq.rs +++ b/tests/coverage/partial_eq.rs @@ -10,11 +10,7 @@ pub struct Version { impl Version { pub fn new(major: usize, minor: usize, patch: usize) -> Self { - Self { - major, - minor, - patch, - } + Self { major, minor, patch } } } diff --git a/tests/coverage/yield.cov-map b/tests/coverage/yield.cov-map index 0347aaaa3676..a273c688e248 100644 --- a/tests/coverage/yield.cov-map +++ b/tests/coverage/yield.cov-map @@ -1,5 +1,5 @@ Function name: yield::main -Raw bytes (106): 0x[01, 01, 0b, 05, 00, 0d, 11, 22, 15, 0d, 11, 11, 15, 22, 15, 0d, 11, 22, 15, 0d, 11, 19, 1d, 25, 29, 10, 01, 07, 01, 01, 16, 01, 06, 0b, 00, 2e, 0d, 01, 27, 00, 29, 03, 01, 0e, 00, 34, 0d, 02, 0b, 00, 2e, 22, 01, 22, 00, 27, 1e, 00, 2c, 00, 2e, 13, 01, 0e, 00, 34, 1e, 03, 09, 00, 16, 1e, 07, 0b, 00, 2e, 21, 01, 27, 00, 29, 27, 01, 0e, 00, 34, 21, 02, 0b, 00, 2e, 2d, 01, 27, 00, 29, 2b, 01, 0e, 00, 34, 2d, 02, 01, 00, 02] +Raw bytes (106): 0x[01, 01, 0b, 05, 00, 0d, 11, 22, 15, 0d, 11, 11, 15, 22, 15, 0d, 11, 22, 15, 0d, 11, 19, 1d, 25, 29, 10, 01, 07, 01, 01, 16, 01, 07, 0b, 00, 2e, 0d, 01, 27, 00, 29, 03, 01, 0e, 00, 34, 0d, 02, 0b, 00, 2e, 22, 01, 22, 00, 27, 1e, 00, 2c, 00, 2e, 13, 01, 0e, 00, 34, 1e, 03, 09, 00, 16, 1e, 08, 0b, 00, 2e, 21, 01, 27, 00, 29, 27, 01, 0e, 00, 34, 21, 02, 0b, 00, 2e, 2d, 01, 27, 00, 29, 2b, 01, 0e, 00, 34, 2d, 02, 01, 00, 02] Number of files: 1 - file 0 => global file 1 Number of expressions: 11 @@ -16,7 +16,7 @@ Number of expressions: 11 - expression 10 operands: lhs = Counter(9), rhs = Counter(10) Number of file 0 mappings: 16 - Code(Counter(0)) at (prev + 7, 1) to (start + 1, 22) -- Code(Counter(0)) at (prev + 6, 11) to (start + 0, 46) +- Code(Counter(0)) at (prev + 7, 11) to (start + 0, 46) - Code(Counter(3)) at (prev + 1, 39) to (start + 0, 41) - Code(Expression(0, Add)) at (prev + 1, 14) to (start + 0, 52) = (c1 + Zero) @@ -29,7 +29,7 @@ Number of file 0 mappings: 16 = (c4 + c5) - Code(Expression(7, Sub)) at (prev + 3, 9) to (start + 0, 22) = ((c3 - c4) - c5) -- Code(Expression(7, Sub)) at (prev + 7, 11) to (start + 0, 46) +- Code(Expression(7, Sub)) at (prev + 8, 11) to (start + 0, 46) = ((c3 - c4) - c5) - Code(Counter(8)) at (prev + 1, 39) to (start + 0, 41) - Code(Expression(9, Add)) at (prev + 1, 14) to (start + 0, 52) @@ -41,21 +41,21 @@ Number of file 0 mappings: 16 - Code(Counter(11)) at (prev + 2, 1) to (start + 0, 2) Function name: yield::main::{closure#0} -Raw bytes (14): 0x[01, 01, 00, 02, 01, 08, 29, 01, 10, 05, 02, 10, 01, 06] +Raw bytes (14): 0x[01, 01, 00, 02, 01, 09, 08, 01, 10, 05, 02, 10, 01, 06] Number of files: 1 - file 0 => global file 1 Number of expressions: 0 Number of file 0 mappings: 2 -- Code(Counter(0)) at (prev + 8, 41) to (start + 1, 16) +- Code(Counter(0)) at (prev + 9, 8) to (start + 1, 16) - Code(Counter(1)) at (prev + 2, 16) to (start + 1, 6) Function name: yield::main::{closure#1} -Raw bytes (24): 0x[01, 01, 00, 04, 01, 16, 29, 01, 10, 05, 02, 09, 00, 10, 09, 01, 09, 00, 10, 0d, 01, 10, 01, 06] +Raw bytes (24): 0x[01, 01, 00, 04, 01, 18, 08, 01, 10, 05, 02, 09, 00, 10, 09, 01, 09, 00, 10, 0d, 01, 10, 01, 06] Number of files: 1 - file 0 => global file 1 Number of expressions: 0 Number of file 0 mappings: 4 -- Code(Counter(0)) at (prev + 22, 41) to (start + 1, 16) +- Code(Counter(0)) at (prev + 24, 8) to (start + 1, 16) - Code(Counter(1)) at (prev + 2, 9) to (start + 0, 16) - Code(Counter(2)) at (prev + 1, 9) to (start + 0, 16) - Code(Counter(3)) at (prev + 1, 16) to (start + 1, 6) diff --git a/tests/coverage/yield.coverage b/tests/coverage/yield.coverage index e2fc9196d244..2c133cbec549 100644 --- a/tests/coverage/yield.coverage +++ b/tests/coverage/yield.coverage @@ -5,7 +5,8 @@ LL| |use std::pin::Pin; LL| | LL| 1|fn main() { - LL| 1| let mut coroutine = #[coroutine] || { + LL| 1| let mut coroutine = #[coroutine] + LL| 1| || { LL| 1| yield 1; LL| 1| return "foo"; LL| 1| }; @@ -19,7 +20,8 @@ LL| 0| _ => panic!("unexpected value from resume"), LL| | } LL| | - LL| 1| let mut coroutine = #[coroutine] || { + LL| 1| let mut coroutine = #[coroutine] + LL| 1| || { LL| 1| yield 1; LL| 1| yield 2; LL| 0| yield 3; diff --git a/tests/coverage/yield.rs b/tests/coverage/yield.rs index 64ea27066047..e02e3d356124 100644 --- a/tests/coverage/yield.rs +++ b/tests/coverage/yield.rs @@ -5,7 +5,8 @@ use std::ops::{Coroutine, CoroutineState}; use std::pin::Pin; fn main() { - let mut coroutine = #[coroutine] || { + let mut coroutine = #[coroutine] + || { yield 1; return "foo"; }; @@ -19,7 +20,8 @@ fn main() { _ => panic!("unexpected value from resume"), } - let mut coroutine = #[coroutine] || { + let mut coroutine = #[coroutine] + || { yield 1; yield 2; yield 3; From 92af72d1927e972e889c32bfd4b0bb1465b8b209 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Wed, 29 May 2024 08:04:24 +0200 Subject: [PATCH 0690/1716] fn_arg_sanity_check: fix panic message also update csky comment in abi/compatibility test --- compiler/rustc_ty_utils/src/abi.rs | 3 ++- tests/ui/abi/compatibility.rs | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/compiler/rustc_ty_utils/src/abi.rs b/compiler/rustc_ty_utils/src/abi.rs index 6f513f24948a..c5ea85c90dc5 100644 --- a/compiler/rustc_ty_utils/src/abi.rs +++ b/compiler/rustc_ty_utils/src/abi.rs @@ -520,7 +520,8 @@ fn fn_abi_sanity_check<'tcx>( assert!( matches!(&*cx.tcx.sess.target.arch, "wasm32" | "wasm64") || matches!(spec_abi, SpecAbi::PtxKernel | SpecAbi::Unadjusted), - r#"`PassMode::Direct` for aggregates only allowed for "unadjusted" and "ptx-kernel" functions and on wasm\nProblematic type: {:#?}"#, + "`PassMode::Direct` for aggregates only allowed for \"unadjusted\" and \"ptx-kernel\" functions and on wasm\n\ + Problematic type: {:#?}", arg.layout, ); } diff --git a/tests/ui/abi/compatibility.rs b/tests/ui/abi/compatibility.rs index 373d1cce1d73..784c6d488eaf 100644 --- a/tests/ui/abi/compatibility.rs +++ b/tests/ui/abi/compatibility.rs @@ -59,6 +59,7 @@ [nvptx64] needs-llvm-components: nvptx */ // FIXME: disabled since it fails on CI saying the csky component is missing +// see https://github.com/rust-lang/rust/issues/125697 /* revisions: csky [csky] compile-flags: --target csky-unknown-linux-gnuabiv2 [csky] needs-llvm-components: csky From 5cf198d0d6dc64b9c255d1eaec48f0fd5802e47f Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Tue, 28 May 2024 10:17:59 +1000 Subject: [PATCH 0691/1716] Remove path choice from `x fmt` and add `--all` option. By default, `x fmt` formats/checks modified files. But it also lets you choose one or more paths instead. This adds significant complexity to `x fmt`. Explicit paths are specified via `WalkBuilder::add` rather than `OverrideBuilder::add`. The `ignore` library is not simple, and predicting the interactions between the two mechanisms is difficult. Here's a particularly interesting case. - You can request a path P that is excluded by the `ignore` list in the `rustfmt.toml`. E.g. `x fmt tests/ui/` or `x fmt tests/ui/bitwise.rs`. - `x fmt` will add P to the walker (via `WalkBuilder::add`), traverse it (paying no attention to the `ignore` list from the `rustfmt.toml` file, due to the different mechanism), and call `rustfmt` on every `.rs` file within it. - `rustfmt` will do nothing to those `.rs` files, because it *also* reads `rustfmt.toml` and sees that they match the `ignore` list! It took me *ages* to debug and understand this behaviour. Not good! `x fmt` even lets you name a path below the current directory. This was intended to let you do things like `x fmt std` that mirror things like `x test std`. This works by looking for `std` and finding `library/std`, and then formatting that. Unfortuantely, this motivating case now gives an error. When support was added in #107944, `library/std` was the only directory named `std`. Since then, `tests/ui/std` was added, and so `x fmt std` now gives an error. In general, explicit paths don't seem particularly useful. The only two cases `x fmt` really needs are: - format/check the files I have modified (99% of uses) - format/check all files (While respecting the `ignore` list in `rustfmt.toml`, of course.) So this commit moves to that model. `x fmt` will now give an error if given an explicit path. `x fmt` now also supports a `--all` option. (And running with `GITHUB_ACTIONS=true` also causes everything to be formatted/checked, as before.) Much simpler! --- src/bootstrap/src/core/build_steps/format.rs | 70 +++++--------------- src/bootstrap/src/core/build_steps/test.rs | 8 ++- src/bootstrap/src/core/config/flags.rs | 8 ++- src/bootstrap/src/lib.rs | 3 +- src/etc/completions/x.py.fish | 1 + src/etc/completions/x.py.ps1 | 1 + src/etc/completions/x.py.sh | 2 +- src/etc/completions/x.py.zsh | 1 + 8 files changed, 34 insertions(+), 60 deletions(-) diff --git a/src/bootstrap/src/core/build_steps/format.rs b/src/bootstrap/src/core/build_steps/format.rs index 44f575b51da2..209249b7bd43 100644 --- a/src/bootstrap/src/core/build_steps/format.rs +++ b/src/bootstrap/src/core/build_steps/format.rs @@ -97,10 +97,21 @@ struct RustfmtConfig { ignore: Vec, } -pub fn format(build: &Builder<'_>, check: bool, paths: &[PathBuf]) { +pub fn format(build: &Builder<'_>, check: bool, all: bool, paths: &[PathBuf]) { + if !paths.is_empty() { + eprintln!("path arguments are not accepted"); + crate::exit!(1); + }; if build.config.dry_run() { return; } + + // By default, we only check modified files locally to speed up runtime. Exceptions are if + // `--all` is specified or we are in CI. We check all files in CI to avoid bugs in + // `get_modified_rs_files` letting regressions slip through; we also care about CI time less + // since this is still very fast compared to building the compiler. + let all = all || CiEnv::is_ci(); + let mut builder = ignore::types::TypesBuilder::new(); builder.add_defaults(); builder.select("rust"); @@ -175,11 +186,7 @@ pub fn format(build: &Builder<'_>, check: bool, paths: &[PathBuf]) { untracked_count += 1; fmt_override.add(&format!("!/{untracked_path}")).expect(untracked_path); } - // Only check modified files locally to speed up runtime. We still check all files in - // CI to avoid bugs in `get_modified_rs_files` letting regressions slip through; we - // also care about CI time less since this is still very fast compared to building the - // compiler. - if !CiEnv::is_ci() && paths.is_empty() { + if !all { match get_modified_rs_files(build) { Ok(Some(files)) => { if files.len() <= 10 { @@ -233,55 +240,8 @@ pub fn format(build: &Builder<'_>, check: bool, paths: &[PathBuf]) { assert!(rustfmt_path.exists(), "{}", rustfmt_path.display()); let src = build.src.clone(); let (tx, rx): (SyncSender, _) = std::sync::mpsc::sync_channel(128); - let walker = match paths.first() { - Some(first) => { - let find_shortcut_candidates = |p: &PathBuf| { - let mut candidates = Vec::new(); - for entry in - WalkBuilder::new(src.clone()).max_depth(Some(3)).build().map_while(Result::ok) - { - if let Some(dir_name) = p.file_name() { - if entry.path().is_dir() && entry.file_name() == dir_name { - candidates.push(entry.into_path()); - } - } - } - candidates - }; - - // Only try to look for shortcut candidates for single component paths like - // `std` and not for e.g. relative paths like `../library/std`. - let should_look_for_shortcut_dir = |p: &PathBuf| p.components().count() == 1; - - let mut walker = if should_look_for_shortcut_dir(first) { - if let [single_candidate] = &find_shortcut_candidates(first)[..] { - WalkBuilder::new(single_candidate) - } else { - WalkBuilder::new(first) - } - } else { - WalkBuilder::new(src.join(first)) - }; - - for path in &paths[1..] { - if should_look_for_shortcut_dir(path) { - if let [single_candidate] = &find_shortcut_candidates(path)[..] { - walker.add(single_candidate); - } else { - walker.add(path); - } - } else { - walker.add(src.join(path)); - } - } - - walker - } - None => WalkBuilder::new(src.clone()), - } - .types(matcher) - .overrides(fmt_override) - .build_parallel(); + let walker = + WalkBuilder::new(src.clone()).types(matcher).overrides(fmt_override).build_parallel(); // There is a lot of blocking involved in spawning a child process and reading files to format. // Spawn more processes than available concurrency to keep the CPU busy. diff --git a/src/bootstrap/src/core/build_steps/test.rs b/src/bootstrap/src/core/build_steps/test.rs index 360bd3840d45..215886863624 100644 --- a/src/bootstrap/src/core/build_steps/test.rs +++ b/src/bootstrap/src/core/build_steps/test.rs @@ -1140,7 +1140,13 @@ HELP: to skip test's attempt to check tidiness, pass `--skip src/tools/tidy` to ); crate::exit!(1); } - crate::core::build_steps::format::format(builder, !builder.config.cmd.bless(), &[]); + let all = false; + crate::core::build_steps::format::format( + builder, + !builder.config.cmd.bless(), + all, + &[], + ); } builder.info("tidy check"); diff --git a/src/bootstrap/src/core/config/flags.rs b/src/bootstrap/src/core/config/flags.rs index f4ed7e76fba1..83def0c6df0c 100644 --- a/src/bootstrap/src/core/config/flags.rs +++ b/src/bootstrap/src/core/config/flags.rs @@ -284,8 +284,8 @@ pub enum Subcommand { name = "fmt", long_about = "\n Arguments: - This subcommand optionally accepts a `--check` flag which succeeds if formatting is correct and - fails if it is not. For example: + This subcommand optionally accepts a `--check` flag which succeeds if + formatting is correct and fails if it is not. For example: ./x.py fmt ./x.py fmt --check" )] @@ -294,6 +294,10 @@ pub enum Subcommand { /// check formatting instead of applying #[arg(long)] check: bool, + + /// apply to all appropriate files, not just those that have been modified + #[arg(long)] + all: bool, }, #[command(aliases = ["d"], long_about = "\n Arguments: diff --git a/src/bootstrap/src/lib.rs b/src/bootstrap/src/lib.rs index 52c94465cd33..8312885915c5 100644 --- a/src/bootstrap/src/lib.rs +++ b/src/bootstrap/src/lib.rs @@ -660,10 +660,11 @@ impl Build { // hardcoded subcommands match &self.config.cmd { - Subcommand::Format { check } => { + Subcommand::Format { check, all } => { return core::build_steps::format::format( &builder::Builder::new(self), *check, + *all, &self.config.paths, ); } diff --git a/src/etc/completions/x.py.fish b/src/etc/completions/x.py.fish index 40a25f13fcbd..7343f3147eed 100644 --- a/src/etc/completions/x.py.fish +++ b/src/etc/completions/x.py.fish @@ -216,6 +216,7 @@ complete -c x.py -n "__fish_seen_subcommand_from fmt" -l llvm-profile-use -d 'us complete -c x.py -n "__fish_seen_subcommand_from fmt" -l reproducible-artifact -d 'Additional reproducible artifacts that should be added to the reproducible artifacts archive' -r complete -c x.py -n "__fish_seen_subcommand_from fmt" -l set -d 'override options in config.toml' -r -f complete -c x.py -n "__fish_seen_subcommand_from fmt" -l check -d 'check formatting instead of applying' +complete -c x.py -n "__fish_seen_subcommand_from fmt" -l all -d 'apply to all appropriate files, not just those that have been modified' complete -c x.py -n "__fish_seen_subcommand_from fmt" -s v -l verbose -d 'use verbose output (-vv for very verbose)' complete -c x.py -n "__fish_seen_subcommand_from fmt" -s i -l incremental -d 'use incremental compilation' complete -c x.py -n "__fish_seen_subcommand_from fmt" -l include-default-paths -d 'include default paths in addition to the provided ones' diff --git a/src/etc/completions/x.py.ps1 b/src/etc/completions/x.py.ps1 index f3d1d372c733..d9adb1778f2f 100644 --- a/src/etc/completions/x.py.ps1 +++ b/src/etc/completions/x.py.ps1 @@ -275,6 +275,7 @@ Register-ArgumentCompleter -Native -CommandName 'x.py' -ScriptBlock { [CompletionResult]::new('--reproducible-artifact', 'reproducible-artifact', [CompletionResultType]::ParameterName, 'Additional reproducible artifacts that should be added to the reproducible artifacts archive') [CompletionResult]::new('--set', 'set', [CompletionResultType]::ParameterName, 'override options in config.toml') [CompletionResult]::new('--check', 'check', [CompletionResultType]::ParameterName, 'check formatting instead of applying') + [CompletionResult]::new('--all', 'all', [CompletionResultType]::ParameterName, 'apply to all appropriate files, not just those that have been modified') [CompletionResult]::new('-v', 'v', [CompletionResultType]::ParameterName, 'use verbose output (-vv for very verbose)') [CompletionResult]::new('--verbose', 'verbose', [CompletionResultType]::ParameterName, 'use verbose output (-vv for very verbose)') [CompletionResult]::new('-i', 'i', [CompletionResultType]::ParameterName, 'use incremental compilation') diff --git a/src/etc/completions/x.py.sh b/src/etc/completions/x.py.sh index 82cacb52ffee..6cb9e95c8c10 100644 --- a/src/etc/completions/x.py.sh +++ b/src/etc/completions/x.py.sh @@ -1077,7 +1077,7 @@ _x.py() { return 0 ;; x.py__fmt) - opts="-v -i -j -h --check --verbose --incremental --config --build-dir --build --host --target --exclude --skip --include-default-paths --rustc-error-format --on-fail --dry-run --dump-bootstrap-shims --stage --keep-stage --keep-stage-std --src --jobs --warnings --error-format --json-output --color --bypass-bootstrap-lock --llvm-skip-rebuild --rust-profile-generate --rust-profile-use --llvm-profile-use --llvm-profile-generate --enable-bolt-settings --skip-stage0-validation --reproducible-artifact --set --help [PATHS]... [ARGS]..." + opts="-v -i -j -h --check --all --verbose --incremental --config --build-dir --build --host --target --exclude --skip --include-default-paths --rustc-error-format --on-fail --dry-run --dump-bootstrap-shims --stage --keep-stage --keep-stage-std --src --jobs --warnings --error-format --json-output --color --bypass-bootstrap-lock --llvm-skip-rebuild --rust-profile-generate --rust-profile-use --llvm-profile-use --llvm-profile-generate --enable-bolt-settings --skip-stage0-validation --reproducible-artifact --set --help [PATHS]... [ARGS]..." if [[ ${cur} == -* || ${COMP_CWORD} -eq 2 ]] ; then COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") ) return 0 diff --git a/src/etc/completions/x.py.zsh b/src/etc/completions/x.py.zsh index 12e96dbd40a3..24ddd1c4b7cc 100644 --- a/src/etc/completions/x.py.zsh +++ b/src/etc/completions/x.py.zsh @@ -271,6 +271,7 @@ _arguments "${_arguments_options[@]}" \ '*--reproducible-artifact=[Additional reproducible artifacts that should be added to the reproducible artifacts archive]:REPRODUCIBLE_ARTIFACT: ' \ '*--set=[override options in config.toml]:section.option=value:( )' \ '--check[check formatting instead of applying]' \ +'--all[apply to all appropriate files, not just those that have been modified]' \ '*-v[use verbose output (-vv for very verbose)]' \ '*--verbose[use verbose output (-vv for very verbose)]' \ '-i[use incremental compilation]' \ From e98740aa0daa288b44925864a487fab7d4c536d5 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 29 May 2024 13:06:42 +1000 Subject: [PATCH 0692/1716] Clarify `x fmt` messages. - Precede them all with `fmt` so it's clear where they are coming from. - Use `error:` and `warning:` when appropriate. - Print warnings to stderr instead of stdout --- src/bootstrap/src/core/build_steps/format.rs | 33 ++++++++++---------- 1 file changed, 16 insertions(+), 17 deletions(-) diff --git a/src/bootstrap/src/core/build_steps/format.rs b/src/bootstrap/src/core/build_steps/format.rs index 209249b7bd43..f3e8d765dba6 100644 --- a/src/bootstrap/src/core/build_steps/format.rs +++ b/src/bootstrap/src/core/build_steps/format.rs @@ -35,9 +35,9 @@ fn rustfmt(src: &Path, rustfmt: &Path, paths: &[PathBuf], check: bool) -> impl F let status = cmd.wait().unwrap(); if !status.success() { eprintln!( - "Running `{}` failed.\nIf you're running `tidy`, \ - try again with `--bless`. Or, if you just want to format \ - code, run `./x.py fmt` instead.", + "fmt error: Running `{}` failed.\nIf you're running `tidy`, \ + try again with `--bless`. Or, if you just want to format \ + code, run `./x.py fmt` instead.", cmd_debug, ); crate::exit!(1); @@ -99,7 +99,7 @@ struct RustfmtConfig { pub fn format(build: &Builder<'_>, check: bool, all: bool, paths: &[PathBuf]) { if !paths.is_empty() { - eprintln!("path arguments are not accepted"); + eprintln!("fmt error: path arguments are not accepted"); crate::exit!(1); }; if build.config.dry_run() { @@ -118,8 +118,8 @@ pub fn format(build: &Builder<'_>, check: bool, all: bool, paths: &[PathBuf]) { let matcher = builder.build().unwrap(); let rustfmt_config = build.src.join("rustfmt.toml"); if !rustfmt_config.exists() { - eprintln!("Not running formatting checks; rustfmt.toml does not exist."); - eprintln!("This may happen in distributed tarballs."); + eprintln!("fmt error: Not running formatting checks; rustfmt.toml does not exist."); + eprintln!("fmt error: This may happen in distributed tarballs."); return; } let rustfmt_config = t!(std::fs::read_to_string(&rustfmt_config)); @@ -133,7 +133,7 @@ pub fn format(build: &Builder<'_>, check: bool, all: bool, paths: &[PathBuf]) { // any files that aren't explicitly mentioned. No bueno! Maybe there's a way to combine // explicit whitelisted entries and traversal of unmentioned files, but for now just // forbid such entries. - eprintln!("`!`-prefixed entries are not supported in rustfmt.toml, sorry"); + eprintln!("fmt error: `!`-prefixed entries are not supported in rustfmt.toml, sorry"); crate::exit!(1); } else { fmt_override.add(&format!("!{ignore}")).expect(&ignore); @@ -177,7 +177,7 @@ pub fn format(build: &Builder<'_>, check: bool, all: bool, paths: &[PathBuf]) { ); let mut untracked_count = 0; for untracked_path in untracked_paths { - println!("skip untracked path {untracked_path} during rustfmt invocations"); + println!("fmt: skip untracked path {untracked_path} during rustfmt invocations"); // The leading `/` makes it an exact match against the // repository root, rather than a glob. Without that, if you // have `foo.rs` in the repository root it will also match @@ -191,7 +191,7 @@ pub fn format(build: &Builder<'_>, check: bool, all: bool, paths: &[PathBuf]) { Ok(Some(files)) => { if files.len() <= 10 { for file in &files { - println!("formatting modified file {file}"); + println!("fmt: formatting modified file {file}"); } } else { let pluralized = |count| if count > 1 { "files" } else { "file" }; @@ -205,7 +205,7 @@ pub fn format(build: &Builder<'_>, check: bool, all: bool, paths: &[PathBuf]) { ) }; println!( - "formatting {} modified {}{}", + "fmt: formatting {} modified {}{}", files.len(), pluralized(files.len()), untracked_msg @@ -217,24 +217,23 @@ pub fn format(build: &Builder<'_>, check: bool, all: bool, paths: &[PathBuf]) { } Ok(None) => {} Err(err) => { - println!( - "WARN: Something went wrong when running git commands:\n{err}\n\ - Falling back to formatting all files." - ); + eprintln!("fmt warning: Something went wrong running git commands:"); + eprintln!("fmt warning: {err}"); + eprintln!("fmt warning: Falling back to formatting all files."); } } } } else { - println!("Not in git tree. Skipping git-aware format checks"); + eprintln!("fmt: warning: Not in git tree. Skipping git-aware format checks"); } } else { - println!("Could not find usable git. Skipping git-aware format checks"); + eprintln!("fmt: warning: Could not find usable git. Skipping git-aware format checks"); } let fmt_override = fmt_override.build().unwrap(); let rustfmt_path = build.initial_rustfmt().unwrap_or_else(|| { - eprintln!("./x.py fmt is not supported on this channel"); + eprintln!("fmt error: `x fmt` is not supported on this channel"); crate::exit!(1); }); assert!(rustfmt_path.exists(), "{}", rustfmt_path.display()); From 3d5d6d222084db76ac152b6c813a3bc177bec8ce Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 29 May 2024 13:18:37 +1000 Subject: [PATCH 0693/1716] Adjust `x fmt` printed output. Currently, `x fmt` can print two lists of files. - The untracked files that are skipped. Always done if within a git repo. - The modified files that are formatted. But if you run with `--all` (or with `GITHUB_ACTIONS=true`) it doesn't print anything about which files are formatted. This commit increases consistency. - The formatted/checked files are now always printed. And it makes it clear why a file was formatted, e.g. with "modified". - It uses the same code for both untracked files and formatted/checked files. This means that now if there are a lot of untracked files just the number will be printed, which is like the old behaviour for modified files. Example output: ``` fmt: skipped 31 untracked files fmt: formatted modified file compiler/rustc_mir_transform/src/instsimplify.rs fmt: formatted modified file compiler/rustc_mir_transform/src/validate.rs fmt: formatted modified file library/core/src/ptr/metadata.rs fmt: formatted modified file src/bootstrap/src/core/build_steps/format.rs ``` or (with `--all`): ``` fmt: checked 3148 files ``` --- src/bootstrap/src/core/build_steps/format.rs | 74 ++++++++++++-------- 1 file changed, 45 insertions(+), 29 deletions(-) diff --git a/src/bootstrap/src/core/build_steps/format.rs b/src/bootstrap/src/core/build_steps/format.rs index f3e8d765dba6..aca1b82f530f 100644 --- a/src/bootstrap/src/core/build_steps/format.rs +++ b/src/bootstrap/src/core/build_steps/format.rs @@ -9,6 +9,7 @@ use std::collections::VecDeque; use std::path::{Path, PathBuf}; use std::process::{Command, Stdio}; use std::sync::mpsc::SyncSender; +use std::sync::Mutex; fn rustfmt(src: &Path, rustfmt: &Path, paths: &[PathBuf], check: bool) -> impl FnMut(bool) -> bool { let mut cmd = Command::new(rustfmt); @@ -97,6 +98,21 @@ struct RustfmtConfig { ignore: Vec, } +// Prints output describing a collection of paths, with lines such as "formatted modified file +// foo/bar/baz" or "skipped 20 untracked files". +fn print_paths(verb: &str, adjective: Option<&str>, paths: &[String]) { + let len = paths.len(); + let adjective = + if let Some(adjective) = adjective { format!("{adjective} ") } else { String::new() }; + if len <= 10 { + for path in paths { + println!("fmt: {verb} {adjective}file {path}"); + } + } else { + println!("fmt: {verb} {len} {adjective}files"); + } +} + pub fn format(build: &Builder<'_>, check: bool, all: bool, paths: &[PathBuf]) { if !paths.is_empty() { eprintln!("fmt error: path arguments are not accepted"); @@ -149,6 +165,7 @@ pub fn format(build: &Builder<'_>, check: bool, all: bool, paths: &[PathBuf]) { Err(_) => false, }; + let mut adjective = None; if git_available { let in_working_tree = match build .config @@ -172,45 +189,27 @@ pub fn format(build: &Builder<'_>, check: bool, all: bool, paths: &[PathBuf]) { .arg("-z") .arg("--untracked-files=normal"), ); - let untracked_paths = untracked_paths_output.split_terminator('\0').filter_map( - |entry| entry.strip_prefix("?? "), // returns None if the prefix doesn't match - ); - let mut untracked_count = 0; + let untracked_paths: Vec<_> = untracked_paths_output + .split_terminator('\0') + .filter_map( + |entry| entry.strip_prefix("?? "), // returns None if the prefix doesn't match + ) + .map(|x| x.to_string()) + .collect(); + print_paths("skipped", Some("untracked"), &untracked_paths); + for untracked_path in untracked_paths { - println!("fmt: skip untracked path {untracked_path} during rustfmt invocations"); // The leading `/` makes it an exact match against the // repository root, rather than a glob. Without that, if you // have `foo.rs` in the repository root it will also match // against anything like `compiler/rustc_foo/src/foo.rs`, // preventing the latter from being formatted. - untracked_count += 1; - fmt_override.add(&format!("!/{untracked_path}")).expect(untracked_path); + fmt_override.add(&format!("!/{untracked_path}")).expect(&untracked_path); } if !all { + adjective = Some("modified"); match get_modified_rs_files(build) { Ok(Some(files)) => { - if files.len() <= 10 { - for file in &files { - println!("fmt: formatting modified file {file}"); - } - } else { - let pluralized = |count| if count > 1 { "files" } else { "file" }; - let untracked_msg = if untracked_count == 0 { - "".to_string() - } else { - format!( - ", skipped {} untracked {}", - untracked_count, - pluralized(untracked_count), - ) - }; - println!( - "fmt: formatting {} modified {}{}", - files.len(), - pluralized(files.len()), - untracked_msg - ); - } for file in files { fmt_override.add(&format!("/{file}")).expect(&file); } @@ -278,16 +277,33 @@ pub fn format(build: &Builder<'_>, check: bool, all: bool, paths: &[PathBuf]) { } }); + let formatted_paths = Mutex::new(Vec::new()); + let formatted_paths_ref = &formatted_paths; walker.run(|| { let tx = tx.clone(); Box::new(move |entry| { + let cwd = std::env::current_dir(); let entry = t!(entry); if entry.file_type().map_or(false, |t| t.is_file()) { + formatted_paths_ref.lock().unwrap().push({ + // `into_path` produces an absolute path. Try to strip `cwd` to get a shorter + // relative path. + let mut path = entry.clone().into_path(); + if let Ok(cwd) = cwd { + if let Ok(path2) = path.strip_prefix(cwd) { + path = path2.to_path_buf(); + } + } + path.display().to_string() + }); t!(tx.send(entry.into_path())); } ignore::WalkState::Continue }) }); + let mut paths = formatted_paths.into_inner().unwrap(); + paths.sort(); + print_paths(if check { "checked" } else { "formatted" }, adjective, &paths); drop(tx); From a22cfccca2a80d15f6b015697e0ada9379d16f73 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 29 May 2024 13:24:05 +1000 Subject: [PATCH 0694/1716] Rename `fmt_override`. It's a weird name, the `fmt_` prefix seems unnecessary. --- src/bootstrap/src/core/build_steps/format.rs | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/src/bootstrap/src/core/build_steps/format.rs b/src/bootstrap/src/core/build_steps/format.rs index aca1b82f530f..58342f2d902b 100644 --- a/src/bootstrap/src/core/build_steps/format.rs +++ b/src/bootstrap/src/core/build_steps/format.rs @@ -140,11 +140,11 @@ pub fn format(build: &Builder<'_>, check: bool, all: bool, paths: &[PathBuf]) { } let rustfmt_config = t!(std::fs::read_to_string(&rustfmt_config)); let rustfmt_config: RustfmtConfig = t!(toml::from_str(&rustfmt_config)); - let mut fmt_override = ignore::overrides::OverrideBuilder::new(&build.src); + let mut override_builder = ignore::overrides::OverrideBuilder::new(&build.src); for ignore in rustfmt_config.ignore { if ignore.starts_with('!') { - // A `!`-prefixed entry could be added as a whitelisted entry in `fmt_override`, i.e. - // strip the `!` prefix. But as soon as whitelisted entries are added, an + // A `!`-prefixed entry could be added as a whitelisted entry in `override_builder`, + // i.e. strip the `!` prefix. But as soon as whitelisted entries are added, an // `OverrideBuilder` will only traverse those whitelisted entries, and won't traverse // any files that aren't explicitly mentioned. No bueno! Maybe there's a way to combine // explicit whitelisted entries and traversal of unmentioned files, but for now just @@ -152,7 +152,7 @@ pub fn format(build: &Builder<'_>, check: bool, all: bool, paths: &[PathBuf]) { eprintln!("fmt error: `!`-prefixed entries are not supported in rustfmt.toml, sorry"); crate::exit!(1); } else { - fmt_override.add(&format!("!{ignore}")).expect(&ignore); + override_builder.add(&format!("!{ignore}")).expect(&ignore); } } let git_available = match Command::new("git") @@ -204,14 +204,14 @@ pub fn format(build: &Builder<'_>, check: bool, all: bool, paths: &[PathBuf]) { // have `foo.rs` in the repository root it will also match // against anything like `compiler/rustc_foo/src/foo.rs`, // preventing the latter from being formatted. - fmt_override.add(&format!("!/{untracked_path}")).expect(&untracked_path); + override_builder.add(&format!("!/{untracked_path}")).expect(&untracked_path); } if !all { adjective = Some("modified"); match get_modified_rs_files(build) { Ok(Some(files)) => { for file in files { - fmt_override.add(&format!("/{file}")).expect(&file); + override_builder.add(&format!("/{file}")).expect(&file); } } Ok(None) => {} @@ -229,7 +229,7 @@ pub fn format(build: &Builder<'_>, check: bool, all: bool, paths: &[PathBuf]) { eprintln!("fmt: warning: Could not find usable git. Skipping git-aware format checks"); } - let fmt_override = fmt_override.build().unwrap(); + let override_ = override_builder.build().unwrap(); // `override` is a reserved keyword let rustfmt_path = build.initial_rustfmt().unwrap_or_else(|| { eprintln!("fmt error: `x fmt` is not supported on this channel"); @@ -238,8 +238,7 @@ pub fn format(build: &Builder<'_>, check: bool, all: bool, paths: &[PathBuf]) { assert!(rustfmt_path.exists(), "{}", rustfmt_path.display()); let src = build.src.clone(); let (tx, rx): (SyncSender, _) = std::sync::mpsc::sync_channel(128); - let walker = - WalkBuilder::new(src.clone()).types(matcher).overrides(fmt_override).build_parallel(); + let walker = WalkBuilder::new(src.clone()).types(matcher).overrides(override_).build_parallel(); // There is a lot of blocking involved in spawning a child process and reading files to format. // Spawn more processes than available concurrency to keep the CPU busy. From eb729380499b12cb539d665221d5930a06467024 Mon Sep 17 00:00:00 2001 From: Markus Mayer Date: Wed, 22 May 2024 11:07:08 +0200 Subject: [PATCH 0695/1716] Add FRAC_1_SQRT_2PI constant to f16/f32/f64/f128 --- library/core/src/num/f128.rs | 6 ++++++ library/core/src/num/f16.rs | 5 +++++ library/core/src/num/f32.rs | 4 ++++ library/core/src/num/f64.rs | 4 ++++ 4 files changed, 19 insertions(+) diff --git a/library/core/src/num/f128.rs b/library/core/src/num/f128.rs index 9362dc876549..75eed2648588 100644 --- a/library/core/src/num/f128.rs +++ b/library/core/src/num/f128.rs @@ -68,6 +68,12 @@ pub mod consts { pub const FRAC_1_SQRT_PI: f128 = 0.564189583547756286948079451560772585844050629328998856844086_f128; + /// 1/sqrt(2π) + #[unstable(feature = "f128", issue = "116909")] + // Also, #[unstable(feature = "more_float_constants", issue = "103883")] + pub const FRAC_1_SQRT_2PI: f128 = + 0.398942280401432677939946059934381868475858631164934657665926_f128; + /// 2/π #[unstable(feature = "f128", issue = "116909")] pub const FRAC_2_PI: f128 = 0.636619772367581343075535053490057448137838582961825794990669_f128; diff --git a/library/core/src/num/f16.rs b/library/core/src/num/f16.rs index c4d4584544ba..955314516a4a 100644 --- a/library/core/src/num/f16.rs +++ b/library/core/src/num/f16.rs @@ -67,6 +67,11 @@ pub mod consts { // Also, #[unstable(feature = "more_float_constants", issue = "103883")] pub const FRAC_1_SQRT_PI: f16 = 0.564189583547756286948079451560772586_f16; + /// 1/sqrt(2π) + #[unstable(feature = "f16", issue = "116909")] + // Also, #[unstable(feature = "more_float_constants", issue = "103883")] + pub const FRAC_1_SQRT_2PI: f16 = 0.398942280401432677939946059934381868_f16; + /// 2/π #[unstable(feature = "f16", issue = "116909")] pub const FRAC_2_PI: f16 = 0.636619772367581343075535053490057448_f16; diff --git a/library/core/src/num/f32.rs b/library/core/src/num/f32.rs index 2e715fb0bdde..8c591af3c0d0 100644 --- a/library/core/src/num/f32.rs +++ b/library/core/src/num/f32.rs @@ -327,6 +327,10 @@ pub mod consts { #[unstable(feature = "more_float_constants", issue = "103883")] pub const FRAC_1_SQRT_PI: f32 = 0.564189583547756286948079451560772586_f32; + /// 1/sqrt(2π) + #[unstable(feature = "more_float_constants", issue = "103883")] + pub const FRAC_1_SQRT_2PI: f32 = 0.398942280401432677939946059934381868_f32; + /// 2/π #[stable(feature = "rust1", since = "1.0.0")] pub const FRAC_2_PI: f32 = 0.636619772367581343075535053490057448_f32; diff --git a/library/core/src/num/f64.rs b/library/core/src/num/f64.rs index db8e1f318adb..db458c4375ce 100644 --- a/library/core/src/num/f64.rs +++ b/library/core/src/num/f64.rs @@ -327,6 +327,10 @@ pub mod consts { #[unstable(feature = "more_float_constants", issue = "103883")] pub const FRAC_1_SQRT_PI: f64 = 0.564189583547756286948079451560772586_f64; + /// 1/sqrt(2π) + #[unstable(feature = "more_float_constants", issue = "103883")] + pub const FRAC_1_SQRT_2PI: f64 = 0.398942280401432677939946059934381868_f64; + /// 2/π #[stable(feature = "rust1", since = "1.0.0")] pub const FRAC_2_PI: f64 = 0.636619772367581343075535053490057448_f64; From 4dec0a0e9938c0762b6bfcce8b611d5096e32880 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 29 May 2024 15:36:12 +1000 Subject: [PATCH 0696/1716] Clarify the closure in `rustfmt`. - Avoid calling `try_wait` followed immediately by `wait`. - Make the match exhaustive. - Improve the comment. --- src/bootstrap/src/core/build_steps/format.rs | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) diff --git a/src/bootstrap/src/core/build_steps/format.rs b/src/bootstrap/src/core/build_steps/format.rs index 58342f2d902b..601e4e55e094 100644 --- a/src/bootstrap/src/core/build_steps/format.rs +++ b/src/bootstrap/src/core/build_steps/format.rs @@ -25,16 +25,19 @@ fn rustfmt(src: &Path, rustfmt: &Path, paths: &[PathBuf], check: bool) -> impl F cmd.args(paths); let cmd_debug = format!("{cmd:?}"); let mut cmd = cmd.spawn().expect("running rustfmt"); - // Poor man's async: return a closure that'll wait for rustfmt's completion. + // Poor man's async: return a closure that might wait for rustfmt's completion (depending on + // the value of the `block` argument). move |block: bool| -> bool { - if !block { + let status = if !block { match cmd.try_wait() { - Ok(Some(_)) => {} - _ => return false, + Ok(Some(status)) => Ok(status), + Ok(None) => return false, + Err(err) => Err(err), } - } - let status = cmd.wait().unwrap(); - if !status.success() { + } else { + cmd.wait() + }; + if !status.unwrap().success() { eprintln!( "fmt error: Running `{}` failed.\nIf you're running `tidy`, \ try again with `--bless`. Or, if you just want to format \ From db30f6ce9f71f73ce0f25a55e198a259a7bb1f92 Mon Sep 17 00:00:00 2001 From: J-ZhengLi Date: Wed, 29 May 2024 16:21:59 +0800 Subject: [PATCH 0697/1716] fix [`redundant_closure`] suggesting incorrect code with `F: Fn()` --- clippy_lints/src/eta_reduction.rs | 27 +++++++++++++++++++-------- tests/ui/eta.fixed | 11 +++++++++++ tests/ui/eta.rs | 11 +++++++++++ tests/ui/eta.stderr | 14 +++++++++++++- 4 files changed, 54 insertions(+), 9 deletions(-) diff --git a/clippy_lints/src/eta_reduction.rs b/clippy_lints/src/eta_reduction.rs index 306a4a9e55c9..df30351c1554 100644 --- a/clippy_lints/src/eta_reduction.rs +++ b/clippy_lints/src/eta_reduction.rs @@ -123,7 +123,8 @@ impl<'tcx> LateLintPass<'tcx> for EtaReduction { ExprKind::Path(QPath::Resolved(..) | QPath::TypeRelative(..)) ) => { - let callee_ty = typeck.expr_ty(callee).peel_refs(); + let callee_ty_raw = typeck.expr_ty(callee); + let callee_ty = callee_ty_raw.peel_refs(); if matches!(type_diagnostic_name(cx, callee_ty), Some(sym::Arc | sym::Rc)) || !check_inputs(typeck, body.params, None, args) { @@ -170,15 +171,25 @@ impl<'tcx> LateLintPass<'tcx> for EtaReduction { { span_lint_and_then(cx, REDUNDANT_CLOSURE, expr.span, "redundant closure", |diag| { if let Some(mut snippet) = snippet_opt(cx, callee.span) { - if let Ok((ClosureKind::FnMut, _)) = cx.tcx.infer_ctxt().build().type_implements_fn_trait( - cx.param_env, - Binder::bind_with_vars(callee_ty_adjusted, List::empty()), - ty::PredicatePolarity::Positive, - ) && path_to_local(callee).map_or(false, |l| { + if path_to_local(callee).map_or(false, |l| { + // FIXME: Do we really need this `local_used_in` check? + // Isn't it checking something like... `callee(callee)`? + // If somehow this check is needed, add some test for it, + // 'cuz currently nothing changes after deleting this check. local_used_in(cx, l, args) || local_used_after_expr(cx, l, expr) }) { - // Mutable closure is used after current expr; we cannot consume it. - snippet = format!("&mut {snippet}"); + match cx.tcx.infer_ctxt().build().type_implements_fn_trait( + cx.param_env, + Binder::bind_with_vars(callee_ty_adjusted, List::empty()), + ty::PredicatePolarity::Positive, + ) { + // Mutable closure is used after current expr; we cannot consume it. + Ok((ClosureKind::FnMut, _)) => snippet = format!("&mut {snippet}"), + Ok((ClosureKind::Fn, _)) if !callee_ty_raw.is_ref() => { + snippet = format!("&{snippet}"); + }, + _ => (), + } } diag.span_suggestion( expr.span, diff --git a/tests/ui/eta.fixed b/tests/ui/eta.fixed index da28ec2e653a..7126f2799455 100644 --- a/tests/ui/eta.fixed +++ b/tests/ui/eta.fixed @@ -471,3 +471,14 @@ mod issue_10854 { } } } + +mod issue_12853 { + fn f_by_value(f: F) { + let x = Box::new(|| None.map(&f)); + x(); + } + fn f_by_ref(f: &F) { + let x = Box::new(|| None.map(f)); + x(); + } +} diff --git a/tests/ui/eta.rs b/tests/ui/eta.rs index f924100f8f41..0787abf5f3e3 100644 --- a/tests/ui/eta.rs +++ b/tests/ui/eta.rs @@ -471,3 +471,14 @@ mod issue_10854 { } } } + +mod issue_12853 { + fn f_by_value(f: F) { + let x = Box::new(|| None.map(|x| f(x))); + x(); + } + fn f_by_ref(f: &F) { + let x = Box::new(|| None.map(|x| f(x))); + x(); + } +} diff --git a/tests/ui/eta.stderr b/tests/ui/eta.stderr index d9a8768a6821..c757601042f1 100644 --- a/tests/ui/eta.stderr +++ b/tests/ui/eta.stderr @@ -190,5 +190,17 @@ error: redundant closure LL | test.map(|t| t.method()) | ^^^^^^^^^^^^^^ help: replace the closure with the method itself: `crate::issue_10854::d::Test::method` -error: aborting due to 31 previous errors +error: redundant closure + --> tests/ui/eta.rs:477:38 + | +LL | let x = Box::new(|| None.map(|x| f(x))); + | ^^^^^^^^ help: replace the closure with the function itself: `&f` + +error: redundant closure + --> tests/ui/eta.rs:481:38 + | +LL | let x = Box::new(|| None.map(|x| f(x))); + | ^^^^^^^^ help: replace the closure with the function itself: `f` + +error: aborting due to 33 previous errors From bcfefe1c7e8de6c7b3ee79d402bb107303934e63 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Wed, 29 May 2024 08:28:44 +0000 Subject: [PATCH 0698/1716] Reintroduce name resolution check for trying to access locals from an inline const --- compiler/rustc_resolve/src/late.rs | 5 +++++ tests/ui/inline-const/referencing_local_variables.rs | 6 ++++++ .../inline-const/referencing_local_variables.stderr | 11 +++++++++++ 3 files changed, 22 insertions(+) create mode 100644 tests/ui/inline-const/referencing_local_variables.rs create mode 100644 tests/ui/inline-const/referencing_local_variables.stderr diff --git a/compiler/rustc_resolve/src/late.rs b/compiler/rustc_resolve/src/late.rs index 08326d1ef57e..98dc507d8632 100644 --- a/compiler/rustc_resolve/src/late.rs +++ b/compiler/rustc_resolve/src/late.rs @@ -4502,6 +4502,11 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { self.visit_expr(elem); self.resolve_anon_const(ct, AnonConstKind::ConstArg(IsRepeatExpr::Yes)); } + ExprKind::ConstBlock(ref expr) => { + self.resolve_anon_const_manual(false, AnonConstKind::InlineConst, |this| { + this.visit_expr(expr) + }); + } ExprKind::Index(ref elem, ref idx, _) => { self.resolve_expr(elem, Some(expr)); self.visit_expr(idx); diff --git a/tests/ui/inline-const/referencing_local_variables.rs b/tests/ui/inline-const/referencing_local_variables.rs new file mode 100644 index 000000000000..f9f0fef07f08 --- /dev/null +++ b/tests/ui/inline-const/referencing_local_variables.rs @@ -0,0 +1,6 @@ +const fn test_me(a: usize) -> usize { + const { a } + //~^ ERROR: attempt to use a non-constant value in a constant +} + +fn main() {} diff --git a/tests/ui/inline-const/referencing_local_variables.stderr b/tests/ui/inline-const/referencing_local_variables.stderr new file mode 100644 index 000000000000..4a0a54066024 --- /dev/null +++ b/tests/ui/inline-const/referencing_local_variables.stderr @@ -0,0 +1,11 @@ +error[E0435]: attempt to use a non-constant value in a constant + --> $DIR/referencing_local_variables.rs:2:13 + | +LL | const fn test_me(a: usize) -> usize { + | - this would need to be a `const` +LL | const { a } + | ^ + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0435`. From ca68c931351a83f6a796cd9861b5af56dd0c0704 Mon Sep 17 00:00:00 2001 From: surechen Date: Sat, 25 May 2024 09:55:49 +0800 Subject: [PATCH 0699/1716] Let lint_dropping_references give the suggestion if possible. --- compiler/rustc_lint/messages.ftl | 1 + .../rustc_lint/src/drop_forget_useless.rs | 16 ++- compiler/rustc_lint/src/lints.rs | 16 ++- .../lint/dropping_references-can-fixed.fixed | 31 +++++ .../ui/lint/dropping_references-can-fixed.rs | 31 +++++ .../lint/dropping_references-can-fixed.stderr | 119 ++++++++++++++++++ tests/ui/lint/dropping_references.stderr | 60 +++++++-- 7 files changed, 261 insertions(+), 13 deletions(-) create mode 100644 tests/ui/lint/dropping_references-can-fixed.fixed create mode 100644 tests/ui/lint/dropping_references-can-fixed.rs create mode 100644 tests/ui/lint/dropping_references-can-fixed.stderr diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index d2b1f50d79cb..805001718eac 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -238,6 +238,7 @@ lint_dropping_copy_types = calls to `std::mem::drop` with a value that implement lint_dropping_references = calls to `std::mem::drop` with a reference instead of an owned value does nothing .label = argument has type `{$arg_ty}` .note = use `let _ = ...` to ignore the expression or result + .suggestion = use `let _ = ...` to ignore the expression or result lint_duplicate_macro_attribute = duplicated attribute diff --git a/compiler/rustc_lint/src/drop_forget_useless.rs b/compiler/rustc_lint/src/drop_forget_useless.rs index 02d324520b85..3166556448b4 100644 --- a/compiler/rustc_lint/src/drop_forget_useless.rs +++ b/compiler/rustc_lint/src/drop_forget_useless.rs @@ -5,7 +5,7 @@ use rustc_span::sym; use crate::{ lints::{ - DropCopyDiag, DropCopySuggestion, DropRefDiag, ForgetCopyDiag, ForgetRefDiag, + DropCopyDiag, DropRefDiag, ForgetCopyDiag, ForgetRefDiag, IgnoreDropSuggestion, UndroppedManuallyDropsDiag, UndroppedManuallyDropsSuggestion, }, LateContext, LateLintPass, LintContext, @@ -148,12 +148,24 @@ impl<'tcx> LateLintPass<'tcx> for DropForgetUseless { let arg_ty = cx.typeck_results().expr_ty(arg); let is_copy = arg_ty.is_copy_modulo_regions(cx.tcx, cx.param_env); let drop_is_single_call_in_arm = is_single_call_in_arm(cx, arg, expr); + let sugg = if let Some((_, node)) = cx.tcx.hir().parent_iter(expr.hir_id).nth(0) + && let Node::Stmt(stmt) = node + && let StmtKind::Semi(e) = stmt.kind + && e.hir_id == expr.hir_id + { + IgnoreDropSuggestion::Suggestion { + start_span: expr.span.shrink_to_lo().until(arg.span), + end_span: arg.span.shrink_to_hi().until(expr.span.shrink_to_hi()), + } + } else { + IgnoreDropSuggestion::Note + }; match fn_name { sym::mem_drop if arg_ty.is_ref() && !drop_is_single_call_in_arm => { cx.emit_span_lint( DROPPING_REFERENCES, expr.span, - DropRefDiag { arg_ty, label: arg.span }, + DropRefDiag { arg_ty, label: arg.span, sugg }, ); } sym::mem_forget if arg_ty.is_ref() => { diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index c365e68ba44d..1c061ce25a6f 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -656,14 +656,28 @@ pub struct ForLoopsOverFalliblesSuggestion<'a> { pub end_span: Span, } +#[derive(Subdiagnostic)] +pub enum IgnoreDropSuggestion { + #[note(lint_note)] + Note, + #[multipart_suggestion(lint_suggestion, style = "verbose", applicability = "maybe-incorrect")] + Suggestion { + #[suggestion_part(code = "let _ = ")] + start_span: Span, + #[suggestion_part(code = "")] + end_span: Span, + }, +} + // drop_forget_useless.rs #[derive(LintDiagnostic)] #[diag(lint_dropping_references)] -#[note] pub struct DropRefDiag<'a> { pub arg_ty: Ty<'a>, #[label] pub label: Span, + #[subdiagnostic] + pub sugg: IgnoreDropSuggestion, } #[derive(LintDiagnostic)] diff --git a/tests/ui/lint/dropping_references-can-fixed.fixed b/tests/ui/lint/dropping_references-can-fixed.fixed new file mode 100644 index 000000000000..f704d3c72df7 --- /dev/null +++ b/tests/ui/lint/dropping_references-can-fixed.fixed @@ -0,0 +1,31 @@ +//@ check-fail +//@ run-rustfix + +#![deny(dropping_references)] + +struct SomeStruct; + +fn main() { + let _ = &SomeStruct; //~ ERROR calls to `std::mem::drop` + + let mut owned1 = SomeStruct; + let _ = &owned1; //~ ERROR calls to `std::mem::drop` + let _ = &&owned1; //~ ERROR calls to `std::mem::drop` + let _ = &mut owned1; //~ ERROR calls to `std::mem::drop` + drop(owned1); + + let reference1 = &SomeStruct; + let _ = reference1; //~ ERROR calls to `std::mem::drop` + + let reference2 = &mut SomeStruct; + let _ = reference2; //~ ERROR calls to `std::mem::drop` + + let ref reference3 = SomeStruct; + let _ = reference3; //~ ERROR calls to `std::mem::drop` +} + +#[allow(dead_code)] +fn test_generic_fn_drop(val: T) { + let _ = &val; //~ ERROR calls to `std::mem::drop` + drop(val); +} diff --git a/tests/ui/lint/dropping_references-can-fixed.rs b/tests/ui/lint/dropping_references-can-fixed.rs new file mode 100644 index 000000000000..70d1c16d66b4 --- /dev/null +++ b/tests/ui/lint/dropping_references-can-fixed.rs @@ -0,0 +1,31 @@ +//@ check-fail +//@ run-rustfix + +#![deny(dropping_references)] + +struct SomeStruct; + +fn main() { + drop(&SomeStruct); //~ ERROR calls to `std::mem::drop` + + let mut owned1 = SomeStruct; + drop(&owned1); //~ ERROR calls to `std::mem::drop` + drop(&&owned1); //~ ERROR calls to `std::mem::drop` + drop(&mut owned1); //~ ERROR calls to `std::mem::drop` + drop(owned1); + + let reference1 = &SomeStruct; + drop(reference1); //~ ERROR calls to `std::mem::drop` + + let reference2 = &mut SomeStruct; + drop(reference2); //~ ERROR calls to `std::mem::drop` + + let ref reference3 = SomeStruct; + drop(reference3); //~ ERROR calls to `std::mem::drop` +} + +#[allow(dead_code)] +fn test_generic_fn_drop(val: T) { + drop(&val); //~ ERROR calls to `std::mem::drop` + drop(val); +} diff --git a/tests/ui/lint/dropping_references-can-fixed.stderr b/tests/ui/lint/dropping_references-can-fixed.stderr new file mode 100644 index 000000000000..42cdb81b524a --- /dev/null +++ b/tests/ui/lint/dropping_references-can-fixed.stderr @@ -0,0 +1,119 @@ +error: calls to `std::mem::drop` with a reference instead of an owned value does nothing + --> $DIR/dropping_references-can-fixed.rs:9:5 + | +LL | drop(&SomeStruct); + | ^^^^^-----------^ + | | + | argument has type `&SomeStruct` + | +note: the lint level is defined here + --> $DIR/dropping_references-can-fixed.rs:4:9 + | +LL | #![deny(dropping_references)] + | ^^^^^^^^^^^^^^^^^^^ +help: use `let _ = ...` to ignore the expression or result + | +LL - drop(&SomeStruct); +LL + let _ = &SomeStruct; + | + +error: calls to `std::mem::drop` with a reference instead of an owned value does nothing + --> $DIR/dropping_references-can-fixed.rs:12:5 + | +LL | drop(&owned1); + | ^^^^^-------^ + | | + | argument has type `&SomeStruct` + | +help: use `let _ = ...` to ignore the expression or result + | +LL - drop(&owned1); +LL + let _ = &owned1; + | + +error: calls to `std::mem::drop` with a reference instead of an owned value does nothing + --> $DIR/dropping_references-can-fixed.rs:13:5 + | +LL | drop(&&owned1); + | ^^^^^--------^ + | | + | argument has type `&&SomeStruct` + | +help: use `let _ = ...` to ignore the expression or result + | +LL - drop(&&owned1); +LL + let _ = &&owned1; + | + +error: calls to `std::mem::drop` with a reference instead of an owned value does nothing + --> $DIR/dropping_references-can-fixed.rs:14:5 + | +LL | drop(&mut owned1); + | ^^^^^-----------^ + | | + | argument has type `&mut SomeStruct` + | +help: use `let _ = ...` to ignore the expression or result + | +LL - drop(&mut owned1); +LL + let _ = &mut owned1; + | + +error: calls to `std::mem::drop` with a reference instead of an owned value does nothing + --> $DIR/dropping_references-can-fixed.rs:18:5 + | +LL | drop(reference1); + | ^^^^^----------^ + | | + | argument has type `&SomeStruct` + | +help: use `let _ = ...` to ignore the expression or result + | +LL - drop(reference1); +LL + let _ = reference1; + | + +error: calls to `std::mem::drop` with a reference instead of an owned value does nothing + --> $DIR/dropping_references-can-fixed.rs:21:5 + | +LL | drop(reference2); + | ^^^^^----------^ + | | + | argument has type `&mut SomeStruct` + | +help: use `let _ = ...` to ignore the expression or result + | +LL - drop(reference2); +LL + let _ = reference2; + | + +error: calls to `std::mem::drop` with a reference instead of an owned value does nothing + --> $DIR/dropping_references-can-fixed.rs:24:5 + | +LL | drop(reference3); + | ^^^^^----------^ + | | + | argument has type `&SomeStruct` + | +help: use `let _ = ...` to ignore the expression or result + | +LL - drop(reference3); +LL + let _ = reference3; + | + +error: calls to `std::mem::drop` with a reference instead of an owned value does nothing + --> $DIR/dropping_references-can-fixed.rs:29:5 + | +LL | drop(&val); + | ^^^^^----^ + | | + | argument has type `&T` + | +help: use `let _ = ...` to ignore the expression or result + | +LL - drop(&val); +LL + let _ = &val; + | + +error: aborting due to 8 previous errors + diff --git a/tests/ui/lint/dropping_references.stderr b/tests/ui/lint/dropping_references.stderr index 7e25a46216ec..312334b82ad4 100644 --- a/tests/ui/lint/dropping_references.stderr +++ b/tests/ui/lint/dropping_references.stderr @@ -6,12 +6,16 @@ LL | drop(&SomeStruct); | | | argument has type `&SomeStruct` | - = note: use `let _ = ...` to ignore the expression or result note: the lint level is defined here --> $DIR/dropping_references.rs:3:9 | LL | #![warn(dropping_references)] | ^^^^^^^^^^^^^^^^^^^ +help: use `let _ = ...` to ignore the expression or result + | +LL - drop(&SomeStruct); +LL + let _ = &SomeStruct; + | warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing --> $DIR/dropping_references.rs:11:5 @@ -21,7 +25,11 @@ LL | drop(&owned1); | | | argument has type `&SomeStruct` | - = note: use `let _ = ...` to ignore the expression or result +help: use `let _ = ...` to ignore the expression or result + | +LL - drop(&owned1); +LL + let _ = &owned1; + | warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing --> $DIR/dropping_references.rs:12:5 @@ -31,7 +39,11 @@ LL | drop(&&owned1); | | | argument has type `&&SomeStruct` | - = note: use `let _ = ...` to ignore the expression or result +help: use `let _ = ...` to ignore the expression or result + | +LL - drop(&&owned1); +LL + let _ = &&owned1; + | warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing --> $DIR/dropping_references.rs:13:5 @@ -41,7 +53,11 @@ LL | drop(&mut owned1); | | | argument has type `&mut SomeStruct` | - = note: use `let _ = ...` to ignore the expression or result +help: use `let _ = ...` to ignore the expression or result + | +LL - drop(&mut owned1); +LL + let _ = &mut owned1; + | warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing --> $DIR/dropping_references.rs:17:5 @@ -51,7 +67,11 @@ LL | drop(reference1); | | | argument has type `&SomeStruct` | - = note: use `let _ = ...` to ignore the expression or result +help: use `let _ = ...` to ignore the expression or result + | +LL - drop(reference1); +LL + let _ = reference1; + | warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing --> $DIR/dropping_references.rs:20:5 @@ -61,7 +81,11 @@ LL | drop(reference2); | | | argument has type `&mut SomeStruct` | - = note: use `let _ = ...` to ignore the expression or result +help: use `let _ = ...` to ignore the expression or result + | +LL - drop(reference2); +LL + let _ = reference2; + | warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing --> $DIR/dropping_references.rs:23:5 @@ -71,7 +95,11 @@ LL | drop(reference3); | | | argument has type `&SomeStruct` | - = note: use `let _ = ...` to ignore the expression or result +help: use `let _ = ...` to ignore the expression or result + | +LL - drop(reference3); +LL + let _ = reference3; + | warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing --> $DIR/dropping_references.rs:28:5 @@ -81,7 +109,11 @@ LL | drop(&val); | | | argument has type `&T` | - = note: use `let _ = ...` to ignore the expression or result +help: use `let _ = ...` to ignore the expression or result + | +LL - drop(&val); +LL + let _ = &val; + | warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing --> $DIR/dropping_references.rs:36:5 @@ -91,7 +123,11 @@ LL | std::mem::drop(&SomeStruct); | | | argument has type `&SomeStruct` | - = note: use `let _ = ...` to ignore the expression or result +help: use `let _ = ...` to ignore the expression or result + | +LL - std::mem::drop(&SomeStruct); +LL + let _ = &SomeStruct; + | warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing --> $DIR/dropping_references.rs:91:13 @@ -101,7 +137,11 @@ LL | drop(println_and(&13)); | | | argument has type `&i32` | - = note: use `let _ = ...` to ignore the expression or result +help: use `let _ = ...` to ignore the expression or result + | +LL - drop(println_and(&13)); +LL + let _ = println_and(&13); + | warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing --> $DIR/dropping_references.rs:94:14 From d7f0d1f56430d2832629023c259721be131ec6cb Mon Sep 17 00:00:00 2001 From: surechen Date: Sat, 25 May 2024 11:04:13 +0800 Subject: [PATCH 0700/1716] Let lint_forgetting_copy_types give the suggestion if possible. --- compiler/rustc_lint/messages.ftl | 2 + .../rustc_lint/src/drop_forget_useless.rs | 2 +- compiler/rustc_lint/src/lints.rs | 3 +- .../forgetting_copy_types-can-fixed.fixed | 22 +++++++++ .../lint/forgetting_copy_types-can-fixed.rs | 22 +++++++++ .../forgetting_copy_types-can-fixed.stderr | 49 +++++++++++++++++++ tests/ui/lint/forgetting_copy_types.stderr | 18 +++++-- 7 files changed, 113 insertions(+), 5 deletions(-) create mode 100644 tests/ui/lint/forgetting_copy_types-can-fixed.fixed create mode 100644 tests/ui/lint/forgetting_copy_types-can-fixed.rs create mode 100644 tests/ui/lint/forgetting_copy_types-can-fixed.stderr diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index 805001718eac..ecd8bafe0ad0 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -274,6 +274,8 @@ lint_for_loops_over_fallibles = lint_forgetting_copy_types = calls to `std::mem::forget` with a value that implements `Copy` does nothing .label = argument has type `{$arg_ty}` .note = use `let _ = ...` to ignore the expression or result + .suggestion = use `let _ = ...` to ignore the expression or result + lint_forgetting_references = calls to `std::mem::forget` with a reference instead of an owned value does nothing .label = argument has type `{$arg_ty}` .note = use `let _ = ...` to ignore the expression or result diff --git a/compiler/rustc_lint/src/drop_forget_useless.rs b/compiler/rustc_lint/src/drop_forget_useless.rs index 3166556448b4..8b8a8f732e78 100644 --- a/compiler/rustc_lint/src/drop_forget_useless.rs +++ b/compiler/rustc_lint/src/drop_forget_useless.rs @@ -199,7 +199,7 @@ impl<'tcx> LateLintPass<'tcx> for DropForgetUseless { cx.emit_span_lint( FORGETTING_COPY_TYPES, expr.span, - ForgetCopyDiag { arg_ty, label: arg.span }, + ForgetCopyDiag { arg_ty, label: arg.span, sugg }, ); } sym::mem_drop diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index 1c061ce25a6f..a91180dfb240 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -714,11 +714,12 @@ pub struct ForgetRefDiag<'a> { #[derive(LintDiagnostic)] #[diag(lint_forgetting_copy_types)] -#[note] pub struct ForgetCopyDiag<'a> { pub arg_ty: Ty<'a>, #[label] pub label: Span, + #[subdiagnostic] + pub sugg: IgnoreDropSuggestion, } #[derive(LintDiagnostic)] diff --git a/tests/ui/lint/forgetting_copy_types-can-fixed.fixed b/tests/ui/lint/forgetting_copy_types-can-fixed.fixed new file mode 100644 index 000000000000..c5d65ecc1d42 --- /dev/null +++ b/tests/ui/lint/forgetting_copy_types-can-fixed.fixed @@ -0,0 +1,22 @@ +//@ check-fail +//@ run-rustfix + +#![deny(forgetting_copy_types)] +#![allow(unused_mut)] +#![allow(unused_imports)] + +use std::vec::Vec; +use std::mem::forget; + +#[derive(Copy, Clone)] +struct SomeStruct; + +fn main() { + let s1 = SomeStruct {}; + let s2 = s1; + let mut s3 = s1; + + let _ = s1; //~ ERROR calls to `std::mem::forget` + let _ = s2; //~ ERROR calls to `std::mem::forget` + let _ = s3; //~ ERROR calls to `std::mem::forget` +} diff --git a/tests/ui/lint/forgetting_copy_types-can-fixed.rs b/tests/ui/lint/forgetting_copy_types-can-fixed.rs new file mode 100644 index 000000000000..c55722942800 --- /dev/null +++ b/tests/ui/lint/forgetting_copy_types-can-fixed.rs @@ -0,0 +1,22 @@ +//@ check-fail +//@ run-rustfix + +#![deny(forgetting_copy_types)] +#![allow(unused_mut)] +#![allow(unused_imports)] + +use std::vec::Vec; +use std::mem::forget; + +#[derive(Copy, Clone)] +struct SomeStruct; + +fn main() { + let s1 = SomeStruct {}; + let s2 = s1; + let mut s3 = s1; + + forget(s1); //~ ERROR calls to `std::mem::forget` + forget(s2); //~ ERROR calls to `std::mem::forget` + forget(s3); //~ ERROR calls to `std::mem::forget` +} diff --git a/tests/ui/lint/forgetting_copy_types-can-fixed.stderr b/tests/ui/lint/forgetting_copy_types-can-fixed.stderr new file mode 100644 index 000000000000..cb7bbf02222e --- /dev/null +++ b/tests/ui/lint/forgetting_copy_types-can-fixed.stderr @@ -0,0 +1,49 @@ +error: calls to `std::mem::forget` with a value that implements `Copy` does nothing + --> $DIR/forgetting_copy_types-can-fixed.rs:19:5 + | +LL | forget(s1); + | ^^^^^^^--^ + | | + | argument has type `SomeStruct` + | +note: the lint level is defined here + --> $DIR/forgetting_copy_types-can-fixed.rs:4:9 + | +LL | #![deny(forgetting_copy_types)] + | ^^^^^^^^^^^^^^^^^^^^^ +help: use `let _ = ...` to ignore the expression or result + | +LL - forget(s1); +LL + let _ = s1; + | + +error: calls to `std::mem::forget` with a value that implements `Copy` does nothing + --> $DIR/forgetting_copy_types-can-fixed.rs:20:5 + | +LL | forget(s2); + | ^^^^^^^--^ + | | + | argument has type `SomeStruct` + | +help: use `let _ = ...` to ignore the expression or result + | +LL - forget(s2); +LL + let _ = s2; + | + +error: calls to `std::mem::forget` with a value that implements `Copy` does nothing + --> $DIR/forgetting_copy_types-can-fixed.rs:21:5 + | +LL | forget(s3); + | ^^^^^^^--^ + | | + | argument has type `SomeStruct` + | +help: use `let _ = ...` to ignore the expression or result + | +LL - forget(s3); +LL + let _ = s3; + | + +error: aborting due to 3 previous errors + diff --git a/tests/ui/lint/forgetting_copy_types.stderr b/tests/ui/lint/forgetting_copy_types.stderr index 36d1ef5c53e9..a2b07351d790 100644 --- a/tests/ui/lint/forgetting_copy_types.stderr +++ b/tests/ui/lint/forgetting_copy_types.stderr @@ -6,12 +6,16 @@ LL | forget(s1); | | | argument has type `SomeStruct` | - = note: use `let _ = ...` to ignore the expression or result note: the lint level is defined here --> $DIR/forgetting_copy_types.rs:3:9 | LL | #![warn(forgetting_copy_types)] | ^^^^^^^^^^^^^^^^^^^^^ +help: use `let _ = ...` to ignore the expression or result + | +LL - forget(s1); +LL + let _ = s1; + | warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing --> $DIR/forgetting_copy_types.rs:35:5 @@ -21,7 +25,11 @@ LL | forget(s2); | | | argument has type `SomeStruct` | - = note: use `let _ = ...` to ignore the expression or result +help: use `let _ = ...` to ignore the expression or result + | +LL - forget(s2); +LL + let _ = s2; + | warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing --> $DIR/forgetting_copy_types.rs:36:5 @@ -42,7 +50,11 @@ LL | forget(s4); | | | argument has type `SomeStruct` | - = note: use `let _ = ...` to ignore the expression or result +help: use `let _ = ...` to ignore the expression or result + | +LL - forget(s4); +LL + let _ = s4; + | warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing --> $DIR/forgetting_copy_types.rs:38:5 From eafe80f5d9c0b0703d548fe9916dac62ba89791c Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Wed, 29 May 2024 11:21:17 +0200 Subject: [PATCH 0701/1716] tier 3 target policy: clarify the point about producing assembly --- src/doc/rustc/src/target-tier-policy.md | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/doc/rustc/src/target-tier-policy.md b/src/doc/rustc/src/target-tier-policy.md index 48b58f6f06ad..e9cf2a0d1ae5 100644 --- a/src/doc/rustc/src/target-tier-policy.md +++ b/src/doc/rustc/src/target-tier-policy.md @@ -247,7 +247,8 @@ approved by the appropriate team for that shared code before acceptance. target may not have; use conditional compilation or runtime detection, as appropriate, to let each target run code supported by that target. - Tier 3 targets must be able to produce assembly using at least one of - rustc's supported backends from any host target. + rustc's supported backends from any host target. (Having support in a fork + of the backend is not sufficient, it must be upstream.) If a tier 3 target stops meeting these requirements, or the target maintainers no longer have interest or time, or the target shows no signs of activity and From 39b39da40beed5e4e555a1465dd0413b04afe91e Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Tue, 28 May 2024 16:05:13 +0000 Subject: [PATCH 0702/1716] Stop proving outlives constraints on regions we already reported errors on --- compiler/rustc_borrowck/src/nll.rs | 14 ++++- .../rustc_borrowck/src/universal_regions.rs | 20 ++++++- tests/rustdoc-ui/unable-fulfill-trait.rs | 13 ++-- tests/rustdoc-ui/unable-fulfill-trait.stderr | 31 +++++++--- .../associated-inherent-types/issue-109299.rs | 1 - .../issue-109299.stderr | 11 +--- .../ui/borrowck/generic_const_early_param.rs | 1 - .../borrowck/generic_const_early_param.stderr | 10 +--- .../gat-trait-path-missing-lifetime.rs | 1 - .../gat-trait-path-missing-lifetime.stderr | 11 +--- .../generic-associated-types/issue-70304.rs | 1 - .../issue-70304.stderr | 18 +----- .../generic-associated-types/issue-80433.rs | 3 +- .../issue-80433.stderr | 28 +-------- .../bad-item-bound-within-rpitit-2.rs | 2 - .../bad-item-bound-within-rpitit-2.stderr | 17 ++---- tests/ui/impl-trait/issues/issue-67830.rs | 7 +-- tests/ui/impl-trait/issues/issue-67830.stderr | 31 ++-------- tests/ui/impl-trait/issues/issue-88236-2.rs | 5 -- .../ui/impl-trait/issues/issue-88236-2.stderr | 60 +------------------ tests/ui/impl-trait/nested-rpit-hrtb.rs | 2 - tests/ui/impl-trait/nested-rpit-hrtb.stderr | 34 +++-------- tests/ui/lifetimes/issue-69314.fixed | 2 +- tests/ui/lifetimes/issue-69314.rs | 2 +- tests/ui/lifetimes/issue-69314.stderr | 18 +----- 25 files changed, 97 insertions(+), 246 deletions(-) diff --git a/compiler/rustc_borrowck/src/nll.rs b/compiler/rustc_borrowck/src/nll.rs index 49f50babdcb9..5d7ce548469f 100644 --- a/compiler/rustc_borrowck/src/nll.rs +++ b/compiler/rustc_borrowck/src/nll.rs @@ -125,8 +125,8 @@ pub(crate) fn compute_regions<'cx, 'tcx>( placeholder_indices, placeholder_index_to_region: _, liveness_constraints, - outlives_constraints, - member_constraints, + mut outlives_constraints, + mut member_constraints, universe_causes, type_tests, } = constraints; @@ -144,6 +144,16 @@ pub(crate) fn compute_regions<'cx, 'tcx>( &universal_region_relations, ); + if let Some(guar) = universal_regions.tainted_by_errors() { + // Suppress unhelpful extra errors in `infer_opaque_types` by clearing out all + // outlives bounds that we may end up checking. + outlives_constraints = Default::default(); + member_constraints = Default::default(); + + // Also taint the entire scope. + infcx.set_tainted_by_errors(guar); + } + let mut regioncx = RegionInferenceContext::new( infcx, var_origins, diff --git a/compiler/rustc_borrowck/src/universal_regions.rs b/compiler/rustc_borrowck/src/universal_regions.rs index f8123535e2d0..9f5fb59e46c5 100644 --- a/compiler/rustc_borrowck/src/universal_regions.rs +++ b/compiler/rustc_borrowck/src/universal_regions.rs @@ -29,7 +29,8 @@ use rustc_middle::ty::{self, InlineConstArgs, InlineConstArgsParts, RegionVid, T use rustc_middle::ty::{GenericArgs, GenericArgsRef}; use rustc_middle::{bug, span_bug}; use rustc_span::symbol::{kw, sym}; -use rustc_span::Symbol; +use rustc_span::{ErrorGuaranteed, Symbol}; +use std::cell::Cell; use std::iter; use crate::renumber::RegionCtxt; @@ -186,6 +187,10 @@ struct UniversalRegionIndices<'tcx> { /// The vid assigned to `'static`. Used only for diagnostics. pub fr_static: RegionVid, + + /// Whether we've encountered an error region. If we have, cancel all + /// outlives errors, as they are likely bogus. + pub tainted_by_errors: Cell>, } #[derive(Debug, PartialEq)] @@ -408,6 +413,10 @@ impl<'tcx> UniversalRegions<'tcx> { } } } + + pub fn tainted_by_errors(&self) -> Option { + self.indices.tainted_by_errors.get() + } } struct UniversalRegionsBuilder<'cx, 'tcx> { @@ -663,7 +672,11 @@ impl<'cx, 'tcx> UniversalRegionsBuilder<'cx, 'tcx> { let global_mapping = iter::once((tcx.lifetimes.re_static, fr_static)); let arg_mapping = iter::zip(identity_args.regions(), fr_args.regions().map(|r| r.as_var())); - UniversalRegionIndices { indices: global_mapping.chain(arg_mapping).collect(), fr_static } + UniversalRegionIndices { + indices: global_mapping.chain(arg_mapping).collect(), + fr_static, + tainted_by_errors: Cell::new(None), + } } fn compute_inputs_and_output( @@ -868,7 +881,8 @@ impl<'tcx> UniversalRegionIndices<'tcx> { pub fn to_region_vid(&self, r: ty::Region<'tcx>) -> RegionVid { if let ty::ReVar(..) = *r { r.as_var() - } else if r.is_error() { + } else if let ty::ReError(guar) = *r { + self.tainted_by_errors.set(Some(guar)); // We use the `'static` `RegionVid` because `ReError` doesn't actually exist in the // `UniversalRegionIndices`. This is fine because 1) it is a fallback only used if // errors are being emitted and 2) it leaves the happy path unaffected. diff --git a/tests/rustdoc-ui/unable-fulfill-trait.rs b/tests/rustdoc-ui/unable-fulfill-trait.rs index a69f74b09ac0..f3b6256346f0 100644 --- a/tests/rustdoc-ui/unable-fulfill-trait.rs +++ b/tests/rustdoc-ui/unable-fulfill-trait.rs @@ -1,13 +1,16 @@ // This test ensures that it's not crashing rustdoc. pub struct Foo<'a, 'b, T> { - field1: dyn Bar<'a, 'b,>, + field1: dyn Bar<'a, 'b>, //~^ ERROR //~| ERROR + //~| ERROR } pub trait Bar<'x, 's, U> - where U: 'x, - Self:'x, - Self:'s -{} +where + U: 'x, + Self: 'x, + Self: 's, +{ +} diff --git a/tests/rustdoc-ui/unable-fulfill-trait.stderr b/tests/rustdoc-ui/unable-fulfill-trait.stderr index 72f35cb92244..40d103f2a62e 100644 --- a/tests/rustdoc-ui/unable-fulfill-trait.stderr +++ b/tests/rustdoc-ui/unable-fulfill-trait.stderr @@ -1,26 +1,43 @@ error[E0107]: trait takes 1 generic argument but 0 generic arguments were supplied --> $DIR/unable-fulfill-trait.rs:4:17 | -LL | field1: dyn Bar<'a, 'b,>, +LL | field1: dyn Bar<'a, 'b>, | ^^^ expected 1 generic argument | note: trait defined here, with 1 generic parameter: `U` - --> $DIR/unable-fulfill-trait.rs:9:11 + --> $DIR/unable-fulfill-trait.rs:10:11 | LL | pub trait Bar<'x, 's, U> | ^^^ - help: add missing generic argument | -LL | field1: dyn Bar<'a, 'b, U,>, +LL | field1: dyn Bar<'a, 'b, U>, | +++ error[E0227]: ambiguous lifetime bound, explicit lifetime bound required --> $DIR/unable-fulfill-trait.rs:4:13 | -LL | field1: dyn Bar<'a, 'b,>, - | ^^^^^^^^^^^^^^^^ +LL | field1: dyn Bar<'a, 'b>, + | ^^^^^^^^^^^^^^^ -error: aborting due to 2 previous errors +error[E0478]: lifetime bound not satisfied + --> $DIR/unable-fulfill-trait.rs:4:13 + | +LL | field1: dyn Bar<'a, 'b>, + | ^^^^^^^^^^^^^^^ + | +note: lifetime parameter instantiated with the lifetime `'b` as defined here + --> $DIR/unable-fulfill-trait.rs:3:20 + | +LL | pub struct Foo<'a, 'b, T> { + | ^^ +note: but lifetime parameter must outlive the lifetime `'a` as defined here + --> $DIR/unable-fulfill-trait.rs:3:16 + | +LL | pub struct Foo<'a, 'b, T> { + | ^^ -Some errors have detailed explanations: E0107, E0227. +error: aborting due to 3 previous errors + +Some errors have detailed explanations: E0107, E0227, E0478. For more information about an error, try `rustc --explain E0107`. diff --git a/tests/ui/associated-inherent-types/issue-109299.rs b/tests/ui/associated-inherent-types/issue-109299.rs index b6c010c34e44..84e4f9e72527 100644 --- a/tests/ui/associated-inherent-types/issue-109299.rs +++ b/tests/ui/associated-inherent-types/issue-109299.rs @@ -8,6 +8,5 @@ impl Lexer<'d> { //~ ERROR use of undeclared lifetime name `'d` } fn test(_: Lexer::Cursor) {} -//~^ ERROR: lifetime may not live long enough fn main() {} diff --git a/tests/ui/associated-inherent-types/issue-109299.stderr b/tests/ui/associated-inherent-types/issue-109299.stderr index f108a52b92c0..1e11c0e8c2af 100644 --- a/tests/ui/associated-inherent-types/issue-109299.stderr +++ b/tests/ui/associated-inherent-types/issue-109299.stderr @@ -6,15 +6,6 @@ LL | impl Lexer<'d> { | | | help: consider introducing lifetime `'d` here: `<'d>` -error: lifetime may not live long enough - --> $DIR/issue-109299.rs:10:1 - | -LL | fn test(_: Lexer::Cursor) {} - | ^^^^^^^^-^^^^^^^^^^^^^^^^ - | | | - | | has type `Lexer<'1>::Cursor` - | requires that `'1` must outlive `'static` - -error: aborting due to 2 previous errors +error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0261`. diff --git a/tests/ui/borrowck/generic_const_early_param.rs b/tests/ui/borrowck/generic_const_early_param.rs index f601e45d21fe..0d07b6869f12 100644 --- a/tests/ui/borrowck/generic_const_early_param.rs +++ b/tests/ui/borrowck/generic_const_early_param.rs @@ -5,7 +5,6 @@ struct DataWrapper<'static> { //~^ ERROR invalid lifetime parameter name: `'static` data: &'a [u8; Self::SIZE], //~^ ERROR use of undeclared lifetime name `'a` - //~^^ ERROR lifetime may not live long enough } impl DataWrapper<'a> { diff --git a/tests/ui/borrowck/generic_const_early_param.stderr b/tests/ui/borrowck/generic_const_early_param.stderr index a71ab09396e7..3f56d6a33251 100644 --- a/tests/ui/borrowck/generic_const_early_param.stderr +++ b/tests/ui/borrowck/generic_const_early_param.stderr @@ -14,7 +14,7 @@ LL | data: &'a [u8; Self::SIZE], | ^^ undeclared lifetime error[E0261]: use of undeclared lifetime name `'a` - --> $DIR/generic_const_early_param.rs:11:18 + --> $DIR/generic_const_early_param.rs:10:18 | LL | impl DataWrapper<'a> { | - ^^ undeclared lifetime @@ -30,13 +30,7 @@ LL | #![feature(generic_const_exprs)] = note: see issue #76560 for more information = note: `#[warn(incomplete_features)]` on by default -error: lifetime may not live long enough - --> $DIR/generic_const_early_param.rs:6:20 - | -LL | data: &'a [u8; Self::SIZE], - | ^^^^^^^^^^ requires that `'_` must outlive `'static` - -error: aborting due to 4 previous errors; 1 warning emitted +error: aborting due to 3 previous errors; 1 warning emitted Some errors have detailed explanations: E0261, E0262. For more information about an error, try `rustc --explain E0261`. diff --git a/tests/ui/generic-associated-types/gat-trait-path-missing-lifetime.rs b/tests/ui/generic-associated-types/gat-trait-path-missing-lifetime.rs index 671d17f36f13..285493132b64 100644 --- a/tests/ui/generic-associated-types/gat-trait-path-missing-lifetime.rs +++ b/tests/ui/generic-associated-types/gat-trait-path-missing-lifetime.rs @@ -9,7 +9,6 @@ impl X for T { //~ ERROR: not all trait items implemented //~^ ERROR missing generics for associated type //~^^ ERROR missing generics for associated type //~| ERROR method `foo` has 1 type parameter but its trait declaration has 0 type parameters - //~| ERROR may not live long enough t } } diff --git a/tests/ui/generic-associated-types/gat-trait-path-missing-lifetime.stderr b/tests/ui/generic-associated-types/gat-trait-path-missing-lifetime.stderr index 65854ed71587..6a600aee11f2 100644 --- a/tests/ui/generic-associated-types/gat-trait-path-missing-lifetime.stderr +++ b/tests/ui/generic-associated-types/gat-trait-path-missing-lifetime.stderr @@ -51,16 +51,7 @@ help: add missing lifetime argument LL | fn foo<'a, T1: X = T1>>(t : T1) -> T1::Y<'a> { | ++++ -error: lifetime may not live long enough - --> $DIR/gat-trait-path-missing-lifetime.rs:8:3 - | -LL | fn foo<'a, T1: X>(t : T1) -> T1::Y<'a> { - | ^^^^^^^--^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | | | - | | lifetime `'a` defined here - | requires that `'a` must outlive `'static` - -error: aborting due to 5 previous errors +error: aborting due to 4 previous errors Some errors have detailed explanations: E0046, E0049, E0107. For more information about an error, try `rustc --explain E0046`. diff --git a/tests/ui/generic-associated-types/issue-70304.rs b/tests/ui/generic-associated-types/issue-70304.rs index 935d3f7a4ba8..8898d4c7d135 100644 --- a/tests/ui/generic-associated-types/issue-70304.rs +++ b/tests/ui/generic-associated-types/issue-70304.rs @@ -52,5 +52,4 @@ fn create_doc() -> impl Document = DocCursorImpl<'_>> { pub fn main() { let doc = create_doc(); let lexer: Lexer<'_, DocCursorImpl<'_>> = Lexer::from(&doc); - //~^ ERROR: `doc` does not live long enough } diff --git a/tests/ui/generic-associated-types/issue-70304.stderr b/tests/ui/generic-associated-types/issue-70304.stderr index 8e012cc6d936..9b02c1b07683 100644 --- a/tests/ui/generic-associated-types/issue-70304.stderr +++ b/tests/ui/generic-associated-types/issue-70304.stderr @@ -27,21 +27,7 @@ LL | type Cursor<'a>: DocCursor<'a>; = note: this bound is currently required to ensure that impls have maximum flexibility = note: we are soliciting feedback, see issue #87479 for more information -error[E0597]: `doc` does not live long enough - --> $DIR/issue-70304.rs:54:59 - | -LL | let doc = create_doc(); - | --- binding `doc` declared here -LL | let lexer: Lexer<'_, DocCursorImpl<'_>> = Lexer::from(&doc); - | ------------^^^^- - | | | - | | borrowed value does not live long enough - | argument requires that `doc` is borrowed for `'static` -LL | -LL | } - | - `doc` dropped here while still borrowed +error: aborting due to 3 previous errors -error: aborting due to 4 previous errors - -Some errors have detailed explanations: E0106, E0597, E0637. +Some errors have detailed explanations: E0106, E0637. For more information about an error, try `rustc --explain E0106`. diff --git a/tests/ui/generic-associated-types/issue-80433.rs b/tests/ui/generic-associated-types/issue-80433.rs index 530575424402..bdba78c2ccd2 100644 --- a/tests/ui/generic-associated-types/issue-80433.rs +++ b/tests/ui/generic-associated-types/issue-80433.rs @@ -22,8 +22,7 @@ fn test_simpler<'a>(dst: &'a mut impl TestMut) //~^ ERROR missing generics for associated type { for n in 0i16..100 { - *dst.test_mut() = n.into(); //~ ERROR: cannot borrow - //~^ ERROR: borrowed data escapes outside of function + *dst.test_mut() = n.into(); } } diff --git a/tests/ui/generic-associated-types/issue-80433.stderr b/tests/ui/generic-associated-types/issue-80433.stderr index a9a14d3f51ce..8ab6fdcb8157 100644 --- a/tests/ui/generic-associated-types/issue-80433.stderr +++ b/tests/ui/generic-associated-types/issue-80433.stderr @@ -25,30 +25,6 @@ help: add missing lifetime argument LL | fn test_simpler<'a>(dst: &'a mut impl TestMut = &'a mut f32>) | ++++ -error[E0499]: cannot borrow `*dst` as mutable more than once at a time - --> $DIR/issue-80433.rs:25:10 - | -LL | *dst.test_mut() = n.into(); - | ^^^----------- - | | - | `*dst` was mutably borrowed here in the previous iteration of the loop - | argument requires that `*dst` is borrowed for `'static` +error: aborting due to 2 previous errors -error[E0521]: borrowed data escapes outside of function - --> $DIR/issue-80433.rs:25:10 - | -LL | fn test_simpler<'a>(dst: &'a mut impl TestMut) - | -- --- `dst` is a reference that is only valid in the function body - | | - | lifetime `'a` defined here -... -LL | *dst.test_mut() = n.into(); - | ^^^^^^^^^^^^^^ - | | - | `dst` escapes the function body here - | argument requires that `'a` must outlive `'static` - -error: aborting due to 4 previous errors - -Some errors have detailed explanations: E0107, E0499, E0521. -For more information about an error, try `rustc --explain E0107`. +For more information about this error, try `rustc --explain E0107`. diff --git a/tests/ui/impl-trait/in-trait/bad-item-bound-within-rpitit-2.rs b/tests/ui/impl-trait/in-trait/bad-item-bound-within-rpitit-2.rs index 5b3a4eb53ff1..14b1ebea8db2 100644 --- a/tests/ui/impl-trait/in-trait/bad-item-bound-within-rpitit-2.rs +++ b/tests/ui/impl-trait/in-trait/bad-item-bound-within-rpitit-2.rs @@ -1,11 +1,9 @@ // issue: 114146 - trait Foo { fn bar<'other: 'a>() -> impl Sized + 'a {} //~^ ERROR use of undeclared lifetime name `'a` //~| ERROR use of undeclared lifetime name `'a` - //~| ERROR expected generic lifetime parameter, found `'static` } fn main() {} diff --git a/tests/ui/impl-trait/in-trait/bad-item-bound-within-rpitit-2.stderr b/tests/ui/impl-trait/in-trait/bad-item-bound-within-rpitit-2.stderr index 8975578dabd8..f1b006da1db5 100644 --- a/tests/ui/impl-trait/in-trait/bad-item-bound-within-rpitit-2.stderr +++ b/tests/ui/impl-trait/in-trait/bad-item-bound-within-rpitit-2.stderr @@ -1,5 +1,5 @@ error[E0261]: use of undeclared lifetime name `'a` - --> $DIR/bad-item-bound-within-rpitit-2.rs:5:20 + --> $DIR/bad-item-bound-within-rpitit-2.rs:4:20 | LL | fn bar<'other: 'a>() -> impl Sized + 'a {} | ^^ undeclared lifetime @@ -14,7 +14,7 @@ LL | trait Foo<'a> { | ++++ error[E0261]: use of undeclared lifetime name `'a` - --> $DIR/bad-item-bound-within-rpitit-2.rs:5:42 + --> $DIR/bad-item-bound-within-rpitit-2.rs:4:42 | LL | fn bar<'other: 'a>() -> impl Sized + 'a {} | ^^ undeclared lifetime @@ -28,15 +28,6 @@ help: consider introducing lifetime `'a` here LL | trait Foo<'a> { | ++++ -error[E0792]: expected generic lifetime parameter, found `'static` - --> $DIR/bad-item-bound-within-rpitit-2.rs:5:45 - | -LL | fn bar<'other: 'a>() -> impl Sized + 'a {} - | ------ ^^ - | | - | cannot use static lifetime; use a bound lifetime instead or remove the lifetime parameter from the opaque type +error: aborting due to 2 previous errors -error: aborting due to 3 previous errors - -Some errors have detailed explanations: E0261, E0792. -For more information about an error, try `rustc --explain E0261`. +For more information about this error, try `rustc --explain E0261`. diff --git a/tests/ui/impl-trait/issues/issue-67830.rs b/tests/ui/impl-trait/issues/issue-67830.rs index 939eca82a8f6..28772fa52720 100644 --- a/tests/ui/impl-trait/issues/issue-67830.rs +++ b/tests/ui/impl-trait/issues/issue-67830.rs @@ -7,7 +7,7 @@ struct Wrap(F); impl MyFn for Wrap where - F: Fn(A) -> B + F: Fn(A) -> B, { type Output = B; @@ -16,13 +16,10 @@ where } } - struct A; -fn test() -> impl for<'a> MyFn<&'a A, Output=impl Iterator + 'a> { +fn test() -> impl for<'a> MyFn<&'a A, Output = impl Iterator + 'a> { //~^ ERROR `impl Trait` cannot capture higher-ranked lifetime from outer `impl Trait` Wrap(|a| Some(a).into_iter()) - //~^ ERROR implementation of `FnOnce` is not general enough - //~| ERROR implementation of `FnOnce` is not general enough } fn main() {} diff --git a/tests/ui/impl-trait/issues/issue-67830.stderr b/tests/ui/impl-trait/issues/issue-67830.stderr index ef513a40cf39..a7633c7f20b6 100644 --- a/tests/ui/impl-trait/issues/issue-67830.stderr +++ b/tests/ui/impl-trait/issues/issue-67830.stderr @@ -1,34 +1,15 @@ error[E0657]: `impl Trait` cannot capture higher-ranked lifetime from outer `impl Trait` - --> $DIR/issue-67830.rs:21:62 + --> $DIR/issue-67830.rs:20:64 | -LL | fn test() -> impl for<'a> MyFn<&'a A, Output=impl Iterator + 'a> { - | ^^ +LL | fn test() -> impl for<'a> MyFn<&'a A, Output = impl Iterator + 'a> { + | ^^ | note: lifetime declared here - --> $DIR/issue-67830.rs:21:23 + --> $DIR/issue-67830.rs:20:23 | -LL | fn test() -> impl for<'a> MyFn<&'a A, Output=impl Iterator + 'a> { +LL | fn test() -> impl for<'a> MyFn<&'a A, Output = impl Iterator + 'a> { | ^^ -error: implementation of `FnOnce` is not general enough - --> $DIR/issue-67830.rs:23:5 - | -LL | Wrap(|a| Some(a).into_iter()) - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ implementation of `FnOnce` is not general enough - | - = note: closure with signature `fn(&'2 A) -> std::option::IntoIter<&A>` must implement `FnOnce<(&'1 A,)>`, for any lifetime `'1`... - = note: ...but it actually implements `FnOnce<(&'2 A,)>`, for some specific lifetime `'2` - -error: implementation of `FnOnce` is not general enough - --> $DIR/issue-67830.rs:23:5 - | -LL | Wrap(|a| Some(a).into_iter()) - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ implementation of `FnOnce` is not general enough - | - = note: closure with signature `fn(&'2 A) -> std::option::IntoIter<&A>` must implement `FnOnce<(&'1 A,)>`, for any lifetime `'1`... - = note: ...but it actually implements `FnOnce<(&'2 A,)>`, for some specific lifetime `'2` - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` - -error: aborting due to 3 previous errors +error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0657`. diff --git a/tests/ui/impl-trait/issues/issue-88236-2.rs b/tests/ui/impl-trait/issues/issue-88236-2.rs index 7ff08d8174f8..5005af46ee18 100644 --- a/tests/ui/impl-trait/issues/issue-88236-2.rs +++ b/tests/ui/impl-trait/issues/issue-88236-2.rs @@ -18,16 +18,11 @@ fn make_impl() -> impl for<'a> Hrtb<'a, Assoc = impl Send + 'a> {} fn make_weird_impl<'b>(x: &'b ()) -> impl for<'a> Hrtb<'a, Assoc = impl Send + 'a> { //~^ ERROR `impl Trait` cannot capture higher-ranked lifetime from outer `impl Trait` &() - //~^ ERROR implementation of `Hrtb` is not general enough - //~| ERROR implementation of `Hrtb` is not general enough } fn make_bad_impl<'b>(x: &'b ()) -> impl for<'a> Hrtb<'a, Assoc = impl Send + 'a> { //~^ ERROR `impl Trait` cannot capture higher-ranked lifetime from outer `impl Trait` x - //~^ ERROR implementation of `Hrtb` is not general enough - //~| ERROR implementation of `Hrtb` is not general enough - //~| ERROR lifetime may not live long enough } fn main() {} diff --git a/tests/ui/impl-trait/issues/issue-88236-2.stderr b/tests/ui/impl-trait/issues/issue-88236-2.stderr index 09fd58056a56..4ded9ed386fa 100644 --- a/tests/ui/impl-trait/issues/issue-88236-2.stderr +++ b/tests/ui/impl-trait/issues/issue-88236-2.stderr @@ -22,72 +22,18 @@ note: lifetime declared here LL | fn make_weird_impl<'b>(x: &'b ()) -> impl for<'a> Hrtb<'a, Assoc = impl Send + 'a> { | ^^ -error: implementation of `Hrtb` is not general enough - --> $DIR/issue-88236-2.rs:20:5 - | -LL | &() - | ^^^ implementation of `Hrtb` is not general enough - | - = note: `Hrtb<'0>` would have to be implemented for the type `&()`, for any lifetime `'0`... - = note: ...but `Hrtb<'1>` is actually implemented for the type `&'1 ()`, for some specific lifetime `'1` - -error: implementation of `Hrtb` is not general enough - --> $DIR/issue-88236-2.rs:20:5 - | -LL | &() - | ^^^ implementation of `Hrtb` is not general enough - | - = note: `Hrtb<'a>` would have to be implemented for the type `&()` - = note: ...but `Hrtb<'0>` is actually implemented for the type `&'0 ()`, for some specific lifetime `'0` - error[E0657]: `impl Trait` cannot capture higher-ranked lifetime from outer `impl Trait` - --> $DIR/issue-88236-2.rs:25:78 + --> $DIR/issue-88236-2.rs:23:78 | LL | fn make_bad_impl<'b>(x: &'b ()) -> impl for<'a> Hrtb<'a, Assoc = impl Send + 'a> { | ^^ | note: lifetime declared here - --> $DIR/issue-88236-2.rs:25:45 + --> $DIR/issue-88236-2.rs:23:45 | LL | fn make_bad_impl<'b>(x: &'b ()) -> impl for<'a> Hrtb<'a, Assoc = impl Send + 'a> { | ^^ -error: lifetime may not live long enough - --> $DIR/issue-88236-2.rs:27:5 - | -LL | fn make_bad_impl<'b>(x: &'b ()) -> impl for<'a> Hrtb<'a, Assoc = impl Send + 'a> { - | -- lifetime `'b` defined here -LL | -LL | x - | ^ returning this value requires that `'b` must outlive `'static` - | -help: to declare that `impl for<'a> Hrtb<'a, Assoc = impl Send + '_>` captures data from argument `x`, you can add an explicit `'b` lifetime bound - | -LL | fn make_bad_impl<'b>(x: &'b ()) -> impl for<'a> Hrtb<'a, Assoc = impl Send + 'a> + 'b { - | ++++ -help: to declare that `impl Send + 'a` captures data from argument `x`, you can add an explicit `'b` lifetime bound - | -LL | fn make_bad_impl<'b>(x: &'b ()) -> impl for<'a> Hrtb<'a, Assoc = impl Send + 'a + 'b> { - | ++++ - -error: implementation of `Hrtb` is not general enough - --> $DIR/issue-88236-2.rs:27:5 - | -LL | x - | ^ implementation of `Hrtb` is not general enough - | - = note: `Hrtb<'0>` would have to be implemented for the type `&()`, for any lifetime `'0`... - = note: ...but `Hrtb<'1>` is actually implemented for the type `&'1 ()`, for some specific lifetime `'1` - -error: implementation of `Hrtb` is not general enough - --> $DIR/issue-88236-2.rs:27:5 - | -LL | x - | ^ implementation of `Hrtb` is not general enough - | - = note: `Hrtb<'a>` would have to be implemented for the type `&()` - = note: ...but `Hrtb<'0>` is actually implemented for the type `&'0 ()`, for some specific lifetime `'0` - -error: aborting due to 8 previous errors +error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0657`. diff --git a/tests/ui/impl-trait/nested-rpit-hrtb.rs b/tests/ui/impl-trait/nested-rpit-hrtb.rs index 9b18aceb4a73..11d79bcff737 100644 --- a/tests/ui/impl-trait/nested-rpit-hrtb.rs +++ b/tests/ui/impl-trait/nested-rpit-hrtb.rs @@ -31,7 +31,6 @@ fn one_hrtb_trait_param() -> impl for<'a> Foo<'a, Assoc = impl Qux<'a>> {} fn one_hrtb_outlives_uses() -> impl for<'a> Bar<'a, Assoc = impl Sized + 'a> {} //~^ ERROR `impl Trait` cannot capture higher-ranked lifetime from outer `impl Trait` -//~| ERROR implementation of `Bar` is not general enough fn one_hrtb_trait_param_uses() -> impl for<'a> Bar<'a, Assoc = impl Qux<'a>> {} //~^ ERROR `impl Trait` cannot capture higher-ranked lifetime from outer `impl Trait` @@ -64,6 +63,5 @@ fn two_htrb_trait_param_uses() -> impl for<'a> Bar<'a, Assoc = impl for<'b> Qux< // `'b` is not in scope for the outlives bound. fn two_htrb_outlives_uses() -> impl for<'a> Bar<'a, Assoc = impl for<'b> Sized + 'b> {} //~^ ERROR use of undeclared lifetime name `'b` [E0261] -//~| ERROR implementation of `Bar` is not general enough fn main() {} diff --git a/tests/ui/impl-trait/nested-rpit-hrtb.stderr b/tests/ui/impl-trait/nested-rpit-hrtb.stderr index 2fa036f35fab..d98de650d0d8 100644 --- a/tests/ui/impl-trait/nested-rpit-hrtb.stderr +++ b/tests/ui/impl-trait/nested-rpit-hrtb.stderr @@ -1,5 +1,5 @@ error[E0261]: use of undeclared lifetime name `'b` - --> $DIR/nested-rpit-hrtb.rs:57:77 + --> $DIR/nested-rpit-hrtb.rs:56:77 | LL | fn two_htrb_outlives() -> impl for<'a> Foo<'a, Assoc = impl for<'b> Sized + 'b> {} | ^^ undeclared lifetime @@ -15,7 +15,7 @@ LL | fn two_htrb_outlives<'b>() -> impl for<'a> Foo<'a, Assoc = impl for<'b> Siz | ++++ error[E0261]: use of undeclared lifetime name `'b` - --> $DIR/nested-rpit-hrtb.rs:65:82 + --> $DIR/nested-rpit-hrtb.rs:64:82 | LL | fn two_htrb_outlives_uses() -> impl for<'a> Bar<'a, Assoc = impl for<'b> Sized + 'b> {} | ^^ undeclared lifetime @@ -65,29 +65,20 @@ note: lifetime declared here LL | fn one_hrtb_outlives_uses() -> impl for<'a> Bar<'a, Assoc = impl Sized + 'a> {} | ^^ -error: implementation of `Bar` is not general enough - --> $DIR/nested-rpit-hrtb.rs:32:78 - | -LL | fn one_hrtb_outlives_uses() -> impl for<'a> Bar<'a, Assoc = impl Sized + 'a> {} - | ^^ implementation of `Bar` is not general enough - | - = note: `()` must implement `Bar<'a>` - = note: ...but it actually implements `Bar<'0>`, for some specific lifetime `'0` - error[E0657]: `impl Trait` cannot capture higher-ranked lifetime from outer `impl Trait` - --> $DIR/nested-rpit-hrtb.rs:36:73 + --> $DIR/nested-rpit-hrtb.rs:35:73 | LL | fn one_hrtb_trait_param_uses() -> impl for<'a> Bar<'a, Assoc = impl Qux<'a>> {} | ^^ | note: lifetime declared here - --> $DIR/nested-rpit-hrtb.rs:36:44 + --> $DIR/nested-rpit-hrtb.rs:35:44 | LL | fn one_hrtb_trait_param_uses() -> impl for<'a> Bar<'a, Assoc = impl Qux<'a>> {} | ^^ error[E0277]: the trait bound `for<'a> &'a (): Qux<'b>` is not satisfied - --> $DIR/nested-rpit-hrtb.rs:46:79 + --> $DIR/nested-rpit-hrtb.rs:45:79 | LL | fn one_hrtb_mention_fn_trait_param_uses<'b>() -> impl for<'a> Bar<'a, Assoc = impl Qux<'b>> {} | ^^^^^^^^^^^^ the trait `for<'a> Qux<'b>` is not implemented for `&'a ()` @@ -96,7 +87,7 @@ LL | fn one_hrtb_mention_fn_trait_param_uses<'b>() -> impl for<'a> Bar<'a, Assoc = help: for that trait implementation, expected `()`, found `&'a ()` error: implementation of `Bar` is not general enough - --> $DIR/nested-rpit-hrtb.rs:50:93 + --> $DIR/nested-rpit-hrtb.rs:49:93 | LL | fn one_hrtb_mention_fn_outlives_uses<'b>() -> impl for<'a> Bar<'a, Assoc = impl Sized + 'b> {} | ^^ implementation of `Bar` is not general enough @@ -105,7 +96,7 @@ LL | fn one_hrtb_mention_fn_outlives_uses<'b>() -> impl for<'a> Bar<'a, Assoc = = note: ...but it actually implements `Bar<'0>`, for some specific lifetime `'0` error[E0277]: the trait bound `for<'a, 'b> &'a (): Qux<'b>` is not satisfied - --> $DIR/nested-rpit-hrtb.rs:61:64 + --> $DIR/nested-rpit-hrtb.rs:60:64 | LL | fn two_htrb_trait_param_uses() -> impl for<'a> Bar<'a, Assoc = impl for<'b> Qux<'b>> {} | ^^^^^^^^^^^^^^^^^^^^ the trait `for<'a, 'b> Qux<'b>` is not implemented for `&'a ()` @@ -113,16 +104,7 @@ LL | fn two_htrb_trait_param_uses() -> impl for<'a> Bar<'a, Assoc = impl for<'b> = help: the trait `Qux<'_>` is implemented for `()` = help: for that trait implementation, expected `()`, found `&'a ()` -error: implementation of `Bar` is not general enough - --> $DIR/nested-rpit-hrtb.rs:65:86 - | -LL | fn two_htrb_outlives_uses() -> impl for<'a> Bar<'a, Assoc = impl for<'b> Sized + 'b> {} - | ^^ implementation of `Bar` is not general enough - | - = note: `()` must implement `Bar<'a>` - = note: ...but it actually implements `Bar<'0>`, for some specific lifetime `'0` - -error: aborting due to 11 previous errors +error: aborting due to 9 previous errors Some errors have detailed explanations: E0261, E0277, E0657. For more information about an error, try `rustc --explain E0261`. diff --git a/tests/ui/lifetimes/issue-69314.fixed b/tests/ui/lifetimes/issue-69314.fixed index 285d192b44c7..ee1675724fb1 100644 --- a/tests/ui/lifetimes/issue-69314.fixed +++ b/tests/ui/lifetimes/issue-69314.fixed @@ -11,7 +11,7 @@ impl A { } async fn f() { let mut buf = [0; 512]; - let m2 = &buf[..]; //~ ERROR `buf` does not live long enough + let m2 = &buf[..]; let m = Self::g(m2).await; Self::f2(m).await; } diff --git a/tests/ui/lifetimes/issue-69314.rs b/tests/ui/lifetimes/issue-69314.rs index 345f77850608..f9e5196b2c74 100644 --- a/tests/ui/lifetimes/issue-69314.rs +++ b/tests/ui/lifetimes/issue-69314.rs @@ -11,7 +11,7 @@ impl A { } async fn f() { let mut buf = [0; 512]; - let m2 = &buf[..]; //~ ERROR `buf` does not live long enough + let m2 = &buf[..]; let m = Self::g(m2).await; Self::f2(m).await; } diff --git a/tests/ui/lifetimes/issue-69314.stderr b/tests/ui/lifetimes/issue-69314.stderr index 3879f35505c2..67da54e8dcd7 100644 --- a/tests/ui/lifetimes/issue-69314.stderr +++ b/tests/ui/lifetimes/issue-69314.stderr @@ -9,20 +9,6 @@ help: indicate the anonymous lifetime LL | async fn f2(m: Msg<'_>) {} | ++++ -error[E0597]: `buf` does not live long enough - --> $DIR/issue-69314.rs:14:19 - | -LL | let mut buf = [0; 512]; - | ------- binding `buf` declared here -LL | let m2 = &buf[..]; - | ^^^ borrowed value does not live long enough -LL | let m = Self::g(m2).await; - | ----------- argument requires that `buf` is borrowed for `'static` -LL | Self::f2(m).await; -LL | } - | - `buf` dropped here while still borrowed +error: aborting due to 1 previous error -error: aborting due to 2 previous errors - -Some errors have detailed explanations: E0597, E0726. -For more information about an error, try `rustc --explain E0597`. +For more information about this error, try `rustc --explain E0726`. From ac736d6d8887349c4dacb1fa19cccebf7dae13fd Mon Sep 17 00:00:00 2001 From: surechen Date: Sat, 25 May 2024 11:44:14 +0800 Subject: [PATCH 0703/1716] Let lint_forgetting_references give the suggestion if possible --- compiler/rustc_lint/messages.ftl | 7 +- .../rustc_lint/src/drop_forget_useless.rs | 39 +++-- compiler/rustc_lint/src/lints.rs | 17 ++- tests/ui/lint/dropping_copy_types.stderr | 24 +++- tests/ui/lint/forgetting_copy_types.stderr | 30 +++- .../forgetting_references-can-fixed.fixed | 40 ++++++ .../lint/forgetting_references-can-fixed.rs | 40 ++++++ .../forgetting_references-can-fixed.stderr | 133 ++++++++++++++++++ tests/ui/lint/forgetting_references.rs | 10 ++ tests/ui/lint/forgetting_references.stderr | 88 ++++++++++-- 10 files changed, 383 insertions(+), 45 deletions(-) create mode 100644 tests/ui/lint/forgetting_references-can-fixed.fixed create mode 100644 tests/ui/lint/forgetting_references-can-fixed.rs create mode 100644 tests/ui/lint/forgetting_references-can-fixed.stderr diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index ecd8bafe0ad0..49c95ad935d4 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -237,8 +237,6 @@ lint_dropping_copy_types = calls to `std::mem::drop` with a value that implement lint_dropping_references = calls to `std::mem::drop` with a reference instead of an owned value does nothing .label = argument has type `{$arg_ty}` - .note = use `let _ = ...` to ignore the expression or result - .suggestion = use `let _ = ...` to ignore the expression or result lint_duplicate_macro_attribute = duplicated attribute @@ -273,12 +271,9 @@ lint_for_loops_over_fallibles = lint_forgetting_copy_types = calls to `std::mem::forget` with a value that implements `Copy` does nothing .label = argument has type `{$arg_ty}` - .note = use `let _ = ...` to ignore the expression or result - .suggestion = use `let _ = ...` to ignore the expression or result lint_forgetting_references = calls to `std::mem::forget` with a reference instead of an owned value does nothing .label = argument has type `{$arg_ty}` - .note = use `let _ = ...` to ignore the expression or result lint_hidden_glob_reexport = private item shadows public glob re-export .note_glob_reexport = the name `{$name}` in the {$namespace} namespace is supposed to be publicly re-exported here @@ -897,6 +892,8 @@ lint_unused_op = unused {$op} that must be used lint_unused_result = unused result of type `{$ty}` +lint_use_let_underscore_ignore_suggestion = use `let _ = ...` to ignore the expression or result + lint_variant_size_differences = enum variant is more than three times larger ({$largest} bytes) than the next largest diff --git a/compiler/rustc_lint/src/drop_forget_useless.rs b/compiler/rustc_lint/src/drop_forget_useless.rs index 8b8a8f732e78..2c0973404eef 100644 --- a/compiler/rustc_lint/src/drop_forget_useless.rs +++ b/compiler/rustc_lint/src/drop_forget_useless.rs @@ -5,8 +5,9 @@ use rustc_span::sym; use crate::{ lints::{ - DropCopyDiag, DropRefDiag, ForgetCopyDiag, ForgetRefDiag, IgnoreDropSuggestion, + DropCopyDiag, DropCopySuggestion, DropRefDiag, ForgetCopyDiag, ForgetRefDiag, UndroppedManuallyDropsDiag, UndroppedManuallyDropsSuggestion, + UseLetUnderscoreIgnoreSuggestion, }, LateContext, LateLintPass, LintContext, }; @@ -148,31 +149,37 @@ impl<'tcx> LateLintPass<'tcx> for DropForgetUseless { let arg_ty = cx.typeck_results().expr_ty(arg); let is_copy = arg_ty.is_copy_modulo_regions(cx.tcx, cx.param_env); let drop_is_single_call_in_arm = is_single_call_in_arm(cx, arg, expr); - let sugg = if let Some((_, node)) = cx.tcx.hir().parent_iter(expr.hir_id).nth(0) - && let Node::Stmt(stmt) = node - && let StmtKind::Semi(e) = stmt.kind - && e.hir_id == expr.hir_id - { - IgnoreDropSuggestion::Suggestion { - start_span: expr.span.shrink_to_lo().until(arg.span), - end_span: arg.span.shrink_to_hi().until(expr.span.shrink_to_hi()), + let let_underscore_ignore_sugg = || { + if let Some((_, node)) = cx.tcx.hir().parent_iter(expr.hir_id).nth(0) + && let Node::Stmt(stmt) = node + && let StmtKind::Semi(e) = stmt.kind + && e.hir_id == expr.hir_id + { + UseLetUnderscoreIgnoreSuggestion::Suggestion { + start_span: expr.span.shrink_to_lo().until(arg.span), + end_span: arg.span.shrink_to_hi().until(expr.span.shrink_to_hi()), + } + } else { + UseLetUnderscoreIgnoreSuggestion::Note } - } else { - IgnoreDropSuggestion::Note }; match fn_name { sym::mem_drop if arg_ty.is_ref() && !drop_is_single_call_in_arm => { cx.emit_span_lint( DROPPING_REFERENCES, expr.span, - DropRefDiag { arg_ty, label: arg.span, sugg }, + DropRefDiag { arg_ty, label: arg.span, sugg: let_underscore_ignore_sugg() }, ); } sym::mem_forget if arg_ty.is_ref() => { cx.emit_span_lint( FORGETTING_REFERENCES, expr.span, - ForgetRefDiag { arg_ty, label: arg.span }, + ForgetRefDiag { + arg_ty, + label: arg.span, + sugg: let_underscore_ignore_sugg(), + }, ); } sym::mem_drop if is_copy && !drop_is_single_call_in_arm => { @@ -199,7 +206,11 @@ impl<'tcx> LateLintPass<'tcx> for DropForgetUseless { cx.emit_span_lint( FORGETTING_COPY_TYPES, expr.span, - ForgetCopyDiag { arg_ty, label: arg.span, sugg }, + ForgetCopyDiag { + arg_ty, + label: arg.span, + sugg: let_underscore_ignore_sugg(), + }, ); } sym::mem_drop diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index a91180dfb240..4705bbd5bf6a 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -657,10 +657,14 @@ pub struct ForLoopsOverFalliblesSuggestion<'a> { } #[derive(Subdiagnostic)] -pub enum IgnoreDropSuggestion { - #[note(lint_note)] +pub enum UseLetUnderscoreIgnoreSuggestion { + #[note(lint_use_let_underscore_ignore_suggestion)] Note, - #[multipart_suggestion(lint_suggestion, style = "verbose", applicability = "maybe-incorrect")] + #[multipart_suggestion( + lint_use_let_underscore_ignore_suggestion, + style = "verbose", + applicability = "maybe-incorrect" + )] Suggestion { #[suggestion_part(code = "let _ = ")] start_span: Span, @@ -677,7 +681,7 @@ pub struct DropRefDiag<'a> { #[label] pub label: Span, #[subdiagnostic] - pub sugg: IgnoreDropSuggestion, + pub sugg: UseLetUnderscoreIgnoreSuggestion, } #[derive(LintDiagnostic)] @@ -705,11 +709,12 @@ pub enum DropCopySuggestion { #[derive(LintDiagnostic)] #[diag(lint_forgetting_references)] -#[note] pub struct ForgetRefDiag<'a> { pub arg_ty: Ty<'a>, #[label] pub label: Span, + #[subdiagnostic] + pub sugg: UseLetUnderscoreIgnoreSuggestion, } #[derive(LintDiagnostic)] @@ -719,7 +724,7 @@ pub struct ForgetCopyDiag<'a> { #[label] pub label: Span, #[subdiagnostic] - pub sugg: IgnoreDropSuggestion, + pub sugg: UseLetUnderscoreIgnoreSuggestion, } #[derive(LintDiagnostic)] diff --git a/tests/ui/lint/dropping_copy_types.stderr b/tests/ui/lint/dropping_copy_types.stderr index bdeb0c290fe9..41aa66a4efc6 100644 --- a/tests/ui/lint/dropping_copy_types.stderr +++ b/tests/ui/lint/dropping_copy_types.stderr @@ -39,8 +39,12 @@ LL | drop(s3); | | | argument has type `&SomeStruct` | - = note: use `let _ = ...` to ignore the expression or result = note: `#[warn(dropping_references)]` on by default +help: use `let _ = ...` to ignore the expression or result + | +LL - drop(s3); +LL + let _ = s3; + | warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing --> $DIR/dropping_copy_types.rs:37:5 @@ -64,7 +68,11 @@ LL | drop(s5); | | | argument has type `&SomeStruct` | - = note: use `let _ = ...` to ignore the expression or result +help: use `let _ = ...` to ignore the expression or result + | +LL - drop(s5); +LL + let _ = s5; + | warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing --> $DIR/dropping_copy_types.rs:50:5 @@ -74,7 +82,11 @@ LL | drop(a2); | | | argument has type `&AnotherStruct` | - = note: use `let _ = ...` to ignore the expression or result +help: use `let _ = ...` to ignore the expression or result + | +LL - drop(a2); +LL + let _ = a2; + | warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing --> $DIR/dropping_copy_types.rs:52:5 @@ -84,7 +96,11 @@ LL | drop(a4); | | | argument has type `&AnotherStruct` | - = note: use `let _ = ...` to ignore the expression or result +help: use `let _ = ...` to ignore the expression or result + | +LL - drop(a4); +LL + let _ = a4; + | warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing --> $DIR/dropping_copy_types.rs:71:13 diff --git a/tests/ui/lint/forgetting_copy_types.stderr b/tests/ui/lint/forgetting_copy_types.stderr index a2b07351d790..980ee6caba25 100644 --- a/tests/ui/lint/forgetting_copy_types.stderr +++ b/tests/ui/lint/forgetting_copy_types.stderr @@ -39,8 +39,12 @@ LL | forget(s3); | | | argument has type `&SomeStruct` | - = note: use `let _ = ...` to ignore the expression or result = note: `#[warn(forgetting_references)]` on by default +help: use `let _ = ...` to ignore the expression or result + | +LL - forget(s3); +LL + let _ = s3; + | warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing --> $DIR/forgetting_copy_types.rs:37:5 @@ -64,7 +68,11 @@ LL | forget(s5); | | | argument has type `&SomeStruct` | - = note: use `let _ = ...` to ignore the expression or result +help: use `let _ = ...` to ignore the expression or result + | +LL - forget(s5); +LL + let _ = s5; + | warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing --> $DIR/forgetting_copy_types.rs:50:5 @@ -74,7 +82,11 @@ LL | forget(a2); | | | argument has type `&AnotherStruct` | - = note: use `let _ = ...` to ignore the expression or result +help: use `let _ = ...` to ignore the expression or result + | +LL - forget(a2); +LL + let _ = a2; + | warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing --> $DIR/forgetting_copy_types.rs:52:5 @@ -84,7 +96,11 @@ LL | forget(a3); | | | argument has type `&AnotherStruct` | - = note: use `let _ = ...` to ignore the expression or result +help: use `let _ = ...` to ignore the expression or result + | +LL - forget(a3); +LL + let _ = a3; + | warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing --> $DIR/forgetting_copy_types.rs:53:5 @@ -94,7 +110,11 @@ LL | forget(a4); | | | argument has type `&AnotherStruct` | - = note: use `let _ = ...` to ignore the expression or result +help: use `let _ = ...` to ignore the expression or result + | +LL - forget(a4); +LL + let _ = a4; + | warning: 8 warnings emitted diff --git a/tests/ui/lint/forgetting_references-can-fixed.fixed b/tests/ui/lint/forgetting_references-can-fixed.fixed new file mode 100644 index 000000000000..64475f042840 --- /dev/null +++ b/tests/ui/lint/forgetting_references-can-fixed.fixed @@ -0,0 +1,40 @@ +//@ check-fail +//@ run-rustfix + +#![deny(forgetting_references)] + +use std::mem::forget; + +struct SomeStruct; + +fn main() { + let _ = &SomeStruct; //~ ERROR calls to `std::mem::forget` + + let mut owned = SomeStruct; + let _ = &owned; //~ ERROR calls to `std::mem::forget` + let _ = &&owned; //~ ERROR calls to `std::mem::forget` + let _ = &mut owned; //~ ERROR calls to `std::mem::forget` + forget(owned); + + let reference1 = &SomeStruct; + let _ = &*reference1; //~ ERROR calls to `std::mem::forget` + + let reference2 = &mut SomeStruct; + let _ = reference2; //~ ERROR calls to `std::mem::forget` + + let ref reference3 = SomeStruct; + let _ = reference3; //~ ERROR calls to `std::mem::forget` +} + +#[allow(dead_code)] +fn test_generic_fn_forget(val: T) { + let _ = &val; //~ ERROR calls to `std::mem::forget` + forget(val); +} + +#[allow(dead_code)] +fn test_similarly_named_function() { + fn forget(_val: T) {} + forget(&SomeStruct); //OK; call to unrelated function which happens to have the same name + let _ = &SomeStruct; //~ ERROR calls to `std::mem::forget` +} diff --git a/tests/ui/lint/forgetting_references-can-fixed.rs b/tests/ui/lint/forgetting_references-can-fixed.rs new file mode 100644 index 000000000000..4c9ef541d341 --- /dev/null +++ b/tests/ui/lint/forgetting_references-can-fixed.rs @@ -0,0 +1,40 @@ +//@ check-fail +//@ run-rustfix + +#![deny(forgetting_references)] + +use std::mem::forget; + +struct SomeStruct; + +fn main() { + forget(&SomeStruct); //~ ERROR calls to `std::mem::forget` + + let mut owned = SomeStruct; + forget(&owned); //~ ERROR calls to `std::mem::forget` + forget(&&owned); //~ ERROR calls to `std::mem::forget` + forget(&mut owned); //~ ERROR calls to `std::mem::forget` + forget(owned); + + let reference1 = &SomeStruct; + forget(&*reference1); //~ ERROR calls to `std::mem::forget` + + let reference2 = &mut SomeStruct; + forget(reference2); //~ ERROR calls to `std::mem::forget` + + let ref reference3 = SomeStruct; + forget(reference3); //~ ERROR calls to `std::mem::forget` +} + +#[allow(dead_code)] +fn test_generic_fn_forget(val: T) { + forget(&val); //~ ERROR calls to `std::mem::forget` + forget(val); +} + +#[allow(dead_code)] +fn test_similarly_named_function() { + fn forget(_val: T) {} + forget(&SomeStruct); //OK; call to unrelated function which happens to have the same name + std::mem::forget(&SomeStruct); //~ ERROR calls to `std::mem::forget` +} diff --git a/tests/ui/lint/forgetting_references-can-fixed.stderr b/tests/ui/lint/forgetting_references-can-fixed.stderr new file mode 100644 index 000000000000..05eb636ab459 --- /dev/null +++ b/tests/ui/lint/forgetting_references-can-fixed.stderr @@ -0,0 +1,133 @@ +error: calls to `std::mem::forget` with a reference instead of an owned value does nothing + --> $DIR/forgetting_references-can-fixed.rs:11:5 + | +LL | forget(&SomeStruct); + | ^^^^^^^-----------^ + | | + | argument has type `&SomeStruct` + | +note: the lint level is defined here + --> $DIR/forgetting_references-can-fixed.rs:4:9 + | +LL | #![deny(forgetting_references)] + | ^^^^^^^^^^^^^^^^^^^^^ +help: use `let _ = ...` to ignore the expression or result + | +LL - forget(&SomeStruct); +LL + let _ = &SomeStruct; + | + +error: calls to `std::mem::forget` with a reference instead of an owned value does nothing + --> $DIR/forgetting_references-can-fixed.rs:14:5 + | +LL | forget(&owned); + | ^^^^^^^------^ + | | + | argument has type `&SomeStruct` + | +help: use `let _ = ...` to ignore the expression or result + | +LL - forget(&owned); +LL + let _ = &owned; + | + +error: calls to `std::mem::forget` with a reference instead of an owned value does nothing + --> $DIR/forgetting_references-can-fixed.rs:15:5 + | +LL | forget(&&owned); + | ^^^^^^^-------^ + | | + | argument has type `&&SomeStruct` + | +help: use `let _ = ...` to ignore the expression or result + | +LL - forget(&&owned); +LL + let _ = &&owned; + | + +error: calls to `std::mem::forget` with a reference instead of an owned value does nothing + --> $DIR/forgetting_references-can-fixed.rs:16:5 + | +LL | forget(&mut owned); + | ^^^^^^^----------^ + | | + | argument has type `&mut SomeStruct` + | +help: use `let _ = ...` to ignore the expression or result + | +LL - forget(&mut owned); +LL + let _ = &mut owned; + | + +error: calls to `std::mem::forget` with a reference instead of an owned value does nothing + --> $DIR/forgetting_references-can-fixed.rs:20:5 + | +LL | forget(&*reference1); + | ^^^^^^^------------^ + | | + | argument has type `&SomeStruct` + | +help: use `let _ = ...` to ignore the expression or result + | +LL - forget(&*reference1); +LL + let _ = &*reference1; + | + +error: calls to `std::mem::forget` with a reference instead of an owned value does nothing + --> $DIR/forgetting_references-can-fixed.rs:23:5 + | +LL | forget(reference2); + | ^^^^^^^----------^ + | | + | argument has type `&mut SomeStruct` + | +help: use `let _ = ...` to ignore the expression or result + | +LL - forget(reference2); +LL + let _ = reference2; + | + +error: calls to `std::mem::forget` with a reference instead of an owned value does nothing + --> $DIR/forgetting_references-can-fixed.rs:26:5 + | +LL | forget(reference3); + | ^^^^^^^----------^ + | | + | argument has type `&SomeStruct` + | +help: use `let _ = ...` to ignore the expression or result + | +LL - forget(reference3); +LL + let _ = reference3; + | + +error: calls to `std::mem::forget` with a reference instead of an owned value does nothing + --> $DIR/forgetting_references-can-fixed.rs:31:5 + | +LL | forget(&val); + | ^^^^^^^----^ + | | + | argument has type `&T` + | +help: use `let _ = ...` to ignore the expression or result + | +LL - forget(&val); +LL + let _ = &val; + | + +error: calls to `std::mem::forget` with a reference instead of an owned value does nothing + --> $DIR/forgetting_references-can-fixed.rs:39:5 + | +LL | std::mem::forget(&SomeStruct); + | ^^^^^^^^^^^^^^^^^-----------^ + | | + | argument has type `&SomeStruct` + | +help: use `let _ = ...` to ignore the expression or result + | +LL - std::mem::forget(&SomeStruct); +LL + let _ = &SomeStruct; + | + +error: aborting due to 9 previous errors + diff --git a/tests/ui/lint/forgetting_references.rs b/tests/ui/lint/forgetting_references.rs index ecfa23ee4970..d0ec2a77ab1c 100644 --- a/tests/ui/lint/forgetting_references.rs +++ b/tests/ui/lint/forgetting_references.rs @@ -23,6 +23,16 @@ fn main() { let ref reference3 = SomeStruct; forget(reference3); //~ WARN calls to `std::mem::forget` + + let ref reference4 = SomeStruct; + + let a = 1; + match a { + 1 => forget(&*reference1), //~ WARN calls to `std::mem::forget` + 2 => forget(reference3), //~ WARN calls to `std::mem::forget` + 3 => forget(reference4), //~ WARN calls to `std::mem::forget` + _ => {} + } } #[allow(dead_code)] diff --git a/tests/ui/lint/forgetting_references.stderr b/tests/ui/lint/forgetting_references.stderr index 5624b690789f..afd5030a6805 100644 --- a/tests/ui/lint/forgetting_references.stderr +++ b/tests/ui/lint/forgetting_references.stderr @@ -6,12 +6,16 @@ LL | forget(&SomeStruct); | | | argument has type `&SomeStruct` | - = note: use `let _ = ...` to ignore the expression or result note: the lint level is defined here --> $DIR/forgetting_references.rs:3:9 | LL | #![warn(forgetting_references)] | ^^^^^^^^^^^^^^^^^^^^^ +help: use `let _ = ...` to ignore the expression or result + | +LL - forget(&SomeStruct); +LL + let _ = &SomeStruct; + | warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing --> $DIR/forgetting_references.rs:13:5 @@ -21,7 +25,11 @@ LL | forget(&owned); | | | argument has type `&SomeStruct` | - = note: use `let _ = ...` to ignore the expression or result +help: use `let _ = ...` to ignore the expression or result + | +LL - forget(&owned); +LL + let _ = &owned; + | warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing --> $DIR/forgetting_references.rs:14:5 @@ -31,7 +39,11 @@ LL | forget(&&owned); | | | argument has type `&&SomeStruct` | - = note: use `let _ = ...` to ignore the expression or result +help: use `let _ = ...` to ignore the expression or result + | +LL - forget(&&owned); +LL + let _ = &&owned; + | warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing --> $DIR/forgetting_references.rs:15:5 @@ -41,7 +53,11 @@ LL | forget(&mut owned); | | | argument has type `&mut SomeStruct` | - = note: use `let _ = ...` to ignore the expression or result +help: use `let _ = ...` to ignore the expression or result + | +LL - forget(&mut owned); +LL + let _ = &mut owned; + | warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing --> $DIR/forgetting_references.rs:19:5 @@ -51,7 +67,11 @@ LL | forget(&*reference1); | | | argument has type `&SomeStruct` | - = note: use `let _ = ...` to ignore the expression or result +help: use `let _ = ...` to ignore the expression or result + | +LL - forget(&*reference1); +LL + let _ = &*reference1; + | warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing --> $DIR/forgetting_references.rs:22:5 @@ -61,7 +81,11 @@ LL | forget(reference2); | | | argument has type `&mut SomeStruct` | - = note: use `let _ = ...` to ignore the expression or result +help: use `let _ = ...` to ignore the expression or result + | +LL - forget(reference2); +LL + let _ = reference2; + | warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing --> $DIR/forgetting_references.rs:25:5 @@ -71,27 +95,69 @@ LL | forget(reference3); | | | argument has type `&SomeStruct` | +help: use `let _ = ...` to ignore the expression or result + | +LL - forget(reference3); +LL + let _ = reference3; + | + +warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing + --> $DIR/forgetting_references.rs:31:14 + | +LL | 1 => forget(&*reference1), + | ^^^^^^^------------^ + | | + | argument has type `&SomeStruct` + | = note: use `let _ = ...` to ignore the expression or result warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing - --> $DIR/forgetting_references.rs:30:5 + --> $DIR/forgetting_references.rs:32:14 + | +LL | 2 => forget(reference3), + | ^^^^^^^----------^ + | | + | argument has type `&SomeStruct` + | + = note: use `let _ = ...` to ignore the expression or result + +warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing + --> $DIR/forgetting_references.rs:33:14 + | +LL | 3 => forget(reference4), + | ^^^^^^^----------^ + | | + | argument has type `&SomeStruct` + | + = note: use `let _ = ...` to ignore the expression or result + +warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing + --> $DIR/forgetting_references.rs:40:5 | LL | forget(&val); | ^^^^^^^----^ | | | argument has type `&T` | - = note: use `let _ = ...` to ignore the expression or result +help: use `let _ = ...` to ignore the expression or result + | +LL - forget(&val); +LL + let _ = &val; + | warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing - --> $DIR/forgetting_references.rs:38:5 + --> $DIR/forgetting_references.rs:48:5 | LL | std::mem::forget(&SomeStruct); | ^^^^^^^^^^^^^^^^^-----------^ | | | argument has type `&SomeStruct` | - = note: use `let _ = ...` to ignore the expression or result +help: use `let _ = ...` to ignore the expression or result + | +LL - std::mem::forget(&SomeStruct); +LL + let _ = &SomeStruct; + | -warning: 9 warnings emitted +warning: 12 warnings emitted From e0904cd6a96e76f89112ea83b45e4c507e3e31df Mon Sep 17 00:00:00 2001 From: Daria Sukhonina Date: Fri, 24 May 2024 17:20:49 +0300 Subject: [PATCH 0704/1716] Add size check inside of the async drop tests --- src/tools/miri/tests/pass/async-drop.rs | 79 ++++++++++++++--------- tests/ui/async-await/async-drop.rs | 85 +++++++++++++++---------- 2 files changed, 102 insertions(+), 62 deletions(-) diff --git a/src/tools/miri/tests/pass/async-drop.rs b/src/tools/miri/tests/pass/async-drop.rs index f16206f3db62..744ffdeebdaf 100644 --- a/src/tools/miri/tests/pass/async-drop.rs +++ b/src/tools/miri/tests/pass/async-drop.rs @@ -11,9 +11,21 @@ use core::mem::{self, ManuallyDrop}; use core::pin::{pin, Pin}; use core::task::{Context, Poll, Waker}; -async fn test_async_drop(x: T) { +async fn test_async_drop(x: T, _size: usize) { let mut x = mem::MaybeUninit::new(x); let dtor = pin!(unsafe { async_drop_in_place(x.as_mut_ptr()) }); + + // FIXME(zetanumbers): This check fully depends on the layout of + // the coroutine state, since async destructor combinators are just + // async functions. + #[cfg(target_pointer_width = "64")] + assert_eq!( + mem::size_of_val(&*dtor), + _size, + "sizes did not match for async destructor of type {}", + core::any::type_name::(), + ); + test_idempotency(dtor).await; } @@ -34,49 +46,58 @@ fn main() { let i = 13; let fut = pin!(async { - test_async_drop(Int(0)).await; - test_async_drop(AsyncInt(0)).await; - test_async_drop([AsyncInt(1), AsyncInt(2)]).await; - test_async_drop((AsyncInt(3), AsyncInt(4))).await; - test_async_drop(5).await; + test_async_drop(Int(0), 16).await; + test_async_drop(AsyncInt(0), 104).await; + test_async_drop([AsyncInt(1), AsyncInt(2)], 152).await; + test_async_drop((AsyncInt(3), AsyncInt(4)), 488).await; + test_async_drop(5, 0).await; let j = 42; - test_async_drop(&i).await; - test_async_drop(&j).await; - test_async_drop(AsyncStruct { b: AsyncInt(8), a: AsyncInt(7), i: 6 }).await; - test_async_drop(ManuallyDrop::new(AsyncInt(9))).await; + test_async_drop(&i, 0).await; + test_async_drop(&j, 0).await; + test_async_drop(AsyncStruct { b: AsyncInt(8), a: AsyncInt(7), i: 6 }, 1688).await; + test_async_drop(ManuallyDrop::new(AsyncInt(9)), 0).await; let foo = AsyncInt(10); - test_async_drop(AsyncReference { foo: &foo }).await; + test_async_drop(AsyncReference { foo: &foo }, 104).await; let foo = AsyncInt(11); - test_async_drop(|| { - black_box(foo); - let foo = AsyncInt(10); - foo - }) + test_async_drop( + || { + black_box(foo); + let foo = AsyncInt(10); + foo + }, + 120, + ) .await; - test_async_drop(AsyncEnum::A(AsyncInt(12))).await; - test_async_drop(AsyncEnum::B(SyncInt(13))).await; + test_async_drop(AsyncEnum::A(AsyncInt(12)), 792).await; + test_async_drop(AsyncEnum::B(SyncInt(13)), 792).await; - test_async_drop(SyncInt(14)).await; - test_async_drop(SyncThenAsync { i: 15, a: AsyncInt(16), b: SyncInt(17), c: AsyncInt(18) }) - .await; + test_async_drop(SyncInt(14), 72).await; + test_async_drop( + SyncThenAsync { i: 15, a: AsyncInt(16), b: SyncInt(17), c: AsyncInt(18) }, + 3512, + ) + .await; let async_drop_fut = pin!(core::future::async_drop(AsyncInt(19))); test_idempotency(async_drop_fut).await; let foo = AsyncInt(20); - test_async_drop(async || { - black_box(foo); - let foo = AsyncInt(19); - // Await point there, but this is async closure so it's fine - black_box(core::future::ready(())).await; - foo - }) + test_async_drop( + async || { + black_box(foo); + let foo = AsyncInt(19); + // Await point there, but this is async closure so it's fine + black_box(core::future::ready(())).await; + foo + }, + 120, + ) .await; - test_async_drop(AsyncUnion { signed: 21 }).await; + test_async_drop(AsyncUnion { signed: 21 }, 32).await; }); let res = fut.poll(&mut cx); assert_eq!(res, Poll::Ready(())); diff --git a/tests/ui/async-await/async-drop.rs b/tests/ui/async-await/async-drop.rs index 6d02dcebc0b6..d1222cd740c3 100644 --- a/tests/ui/async-await/async-drop.rs +++ b/tests/ui/async-await/async-drop.rs @@ -13,9 +13,21 @@ use core::mem::{self, ManuallyDrop}; use core::pin::{pin, Pin}; use core::task::{Context, Poll, Waker}; -async fn test_async_drop(x: T) { +async fn test_async_drop(x: T, _size: usize) { let mut x = mem::MaybeUninit::new(x); let dtor = pin!(unsafe { async_drop_in_place(x.as_mut_ptr()) }); + + // FIXME(zetanumbers): This check fully depends on the layout of + // the coroutine state, since async destructor combinators are just + // async functions. + #[cfg(target_pointer_width = "64")] + assert_eq!( + mem::size_of_val(&*dtor), + _size, + "sizes did not match for async destructor of type {}", + core::any::type_name::(), + ); + test_idempotency(dtor).await; } @@ -36,51 +48,58 @@ fn main() { let i = 13; let fut = pin!(async { - test_async_drop(Int(0)).await; - test_async_drop(AsyncInt(0)).await; - test_async_drop([AsyncInt(1), AsyncInt(2)]).await; - test_async_drop((AsyncInt(3), AsyncInt(4))).await; - test_async_drop(5).await; + test_async_drop(Int(0), 16).await; + test_async_drop(AsyncInt(0), 104).await; + test_async_drop([AsyncInt(1), AsyncInt(2)], 152).await; + test_async_drop((AsyncInt(3), AsyncInt(4)), 488).await; + test_async_drop(5, 0).await; let j = 42; - test_async_drop(&i).await; - test_async_drop(&j).await; - test_async_drop(AsyncStruct { b: AsyncInt(8), a: AsyncInt(7), i: 6 }).await; - test_async_drop(ManuallyDrop::new(AsyncInt(9))).await; + test_async_drop(&i, 0).await; + test_async_drop(&j, 0).await; + test_async_drop(AsyncStruct { b: AsyncInt(8), a: AsyncInt(7), i: 6 }, 1688).await; + test_async_drop(ManuallyDrop::new(AsyncInt(9)), 0).await; let foo = AsyncInt(10); - test_async_drop(AsyncReference { foo: &foo }).await; + test_async_drop(AsyncReference { foo: &foo }, 104).await; let foo = AsyncInt(11); - test_async_drop(|| { - black_box(foo); - let foo = AsyncInt(10); - foo - }).await; + test_async_drop( + || { + black_box(foo); + let foo = AsyncInt(10); + foo + }, + 120, + ) + .await; - test_async_drop(AsyncEnum::A(AsyncInt(12))).await; - test_async_drop(AsyncEnum::B(SyncInt(13))).await; + test_async_drop(AsyncEnum::A(AsyncInt(12)), 792).await; + test_async_drop(AsyncEnum::B(SyncInt(13)), 792).await; - test_async_drop(SyncInt(14)).await; - test_async_drop(SyncThenAsync { - i: 15, - a: AsyncInt(16), - b: SyncInt(17), - c: AsyncInt(18), - }).await; + test_async_drop(SyncInt(14), 72).await; + test_async_drop( + SyncThenAsync { i: 15, a: AsyncInt(16), b: SyncInt(17), c: AsyncInt(18) }, + 3512, + ) + .await; let async_drop_fut = pin!(core::future::async_drop(AsyncInt(19))); test_idempotency(async_drop_fut).await; let foo = AsyncInt(20); - test_async_drop(async || { - black_box(foo); - let foo = AsyncInt(19); - // Await point there, but this is async closure so it's fine - black_box(core::future::ready(())).await; - foo - }).await; + test_async_drop( + async || { + black_box(foo); + let foo = AsyncInt(19); + // Await point there, but this is async closure so it's fine + black_box(core::future::ready(())).await; + foo + }, + 120, + ) + .await; - test_async_drop(AsyncUnion { signed: 21 }).await; + test_async_drop(AsyncUnion { signed: 21 }, 32).await; }); let res = fut.poll(&mut cx); assert_eq!(res, Poll::Ready(())); From a47173c4f77b5e7c960ffe178eba2bc00bb91e31 Mon Sep 17 00:00:00 2001 From: Daria Sukhonina Date: Thu, 2 May 2024 17:59:02 +0300 Subject: [PATCH 0705/1716] Start implementing needs_async_drop and related --- compiler/rustc_hir_analysis/src/check/mod.rs | 5 + .../src/rmeta/decoder/cstore_impl.rs | 4 + compiler/rustc_middle/src/query/erase.rs | 2 + compiler/rustc_middle/src/query/mod.rs | 17 +- compiler/rustc_middle/src/ty/adt.rs | 10 +- compiler/rustc_middle/src/ty/mod.rs | 9 + compiler/rustc_middle/src/ty/sty.rs | 26 +-- compiler/rustc_middle/src/ty/util.rs | 196 ++++++++++++------ compiler/rustc_ty_utils/src/common_traits.rs | 21 +- compiler/rustc_ty_utils/src/needs_drop.rs | 16 ++ 10 files changed, 196 insertions(+), 110 deletions(-) diff --git a/compiler/rustc_hir_analysis/src/check/mod.rs b/compiler/rustc_hir_analysis/src/check/mod.rs index 0083da2a1e44..149e7737e309 100644 --- a/compiler/rustc_hir_analysis/src/check/mod.rs +++ b/compiler/rustc_hir_analysis/src/check/mod.rs @@ -112,6 +112,7 @@ pub fn provide(providers: &mut Providers) { wfcheck::provide(providers); *providers = Providers { adt_destructor, + adt_async_destructor, region_scope_tree, collect_return_position_impl_trait_in_trait_tys, compare_impl_const: compare_impl_item::compare_impl_const_raw, @@ -124,6 +125,10 @@ fn adt_destructor(tcx: TyCtxt<'_>, def_id: LocalDefId) -> Option tcx.calculate_dtor(def_id.to_def_id(), dropck::check_drop_impl) } +fn adt_async_destructor(tcx: TyCtxt<'_>, def_id: LocalDefId) -> Option { + tcx.calculate_async_dtor(def_id.to_def_id(), dropck::check_drop_impl) +} + /// Given a `DefId` for an opaque type in return position, find its parent item's return /// expressions. fn get_owner_return_paths( diff --git a/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs b/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs index 4cad317ce80c..f6b9c7ed9926 100644 --- a/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs +++ b/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs @@ -287,6 +287,10 @@ provide! { tcx, def_id, other, cdata, let _ = cdata; tcx.calculate_dtor(def_id, |_,_| Ok(())) } + adt_async_destructor => { + let _ = cdata; + tcx.calculate_async_dtor(def_id, |_,_| Ok(())) + } associated_item_def_ids => { tcx.arena.alloc_from_iter(cdata.get_associated_item_or_field_def_ids(def_id.index)) } diff --git a/compiler/rustc_middle/src/query/erase.rs b/compiler/rustc_middle/src/query/erase.rs index 1e36f034cc22..f98dbf8a0bd4 100644 --- a/compiler/rustc_middle/src/query/erase.rs +++ b/compiler/rustc_middle/src/query/erase.rs @@ -238,6 +238,7 @@ trivial! { Option, Option, Option, + Option, Option, Option, Option, @@ -295,6 +296,7 @@ trivial! { rustc_middle::ty::AssocItem, rustc_middle::ty::AssocItemContainer, rustc_middle::ty::Asyncness, + rustc_middle::ty::AsyncDestructor, rustc_middle::ty::BoundVariableKind, rustc_middle::ty::DeducedParamAttrs, rustc_middle::ty::Destructor, diff --git a/compiler/rustc_middle/src/query/mod.rs b/compiler/rustc_middle/src/query/mod.rs index 6ad4b7c40fb2..d72ad09f9548 100644 --- a/compiler/rustc_middle/src/query/mod.rs +++ b/compiler/rustc_middle/src/query/mod.rs @@ -703,6 +703,11 @@ rustc_queries! { cache_on_disk_if { key.is_local() } separate_provide_extern } + query adt_async_destructor(key: DefId) -> Option { + desc { |tcx| "computing `AsyncDrop` impl for `{}`", tcx.def_path_str(key) } + cache_on_disk_if { key.is_local() } + separate_provide_extern + } query adt_sized_constraint(key: DefId) -> Option>> { desc { |tcx| "computing the `Sized` constraint for `{}`", tcx.def_path_str(key) } @@ -1343,18 +1348,14 @@ rustc_queries! { query is_unpin_raw(env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> bool { desc { "computing whether `{}` is `Unpin`", env.value } } - /// Query backing `Ty::has_surface_async_drop`. - query has_surface_async_drop_raw(env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> bool { - desc { "computing whether `{}` has `AsyncDrop` implementation", env.value } - } - /// Query backing `Ty::has_surface_drop`. - query has_surface_drop_raw(env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> bool { - desc { "computing whether `{}` has `Drop` implementation", env.value } - } /// Query backing `Ty::needs_drop`. query needs_drop_raw(env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> bool { desc { "computing whether `{}` needs drop", env.value } } + /// Query backing `Ty::needs_async_drop`. + query needs_async_drop_raw(env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> bool { + desc { "computing whether `{}` needs async drop", env.value } + } /// Query backing `Ty::has_significant_drop_raw`. query has_significant_drop_raw(env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> bool { desc { "computing whether `{}` has a significant drop", env.value } diff --git a/compiler/rustc_middle/src/ty/adt.rs b/compiler/rustc_middle/src/ty/adt.rs index 8e946bc8b314..988ce35484d5 100644 --- a/compiler/rustc_middle/src/ty/adt.rs +++ b/compiler/rustc_middle/src/ty/adt.rs @@ -24,7 +24,9 @@ use std::hash::{Hash, Hasher}; use std::ops::Range; use std::str; -use super::{Destructor, FieldDef, GenericPredicates, Ty, TyCtxt, VariantDef, VariantDiscr}; +use super::{ + AsyncDestructor, Destructor, FieldDef, GenericPredicates, Ty, TyCtxt, VariantDef, VariantDiscr, +}; #[derive(Clone, Copy, PartialEq, Eq, Hash, HashStable, TyEncodable, TyDecodable)] pub struct AdtFlags(u16); @@ -577,6 +579,12 @@ impl<'tcx> AdtDef<'tcx> { tcx.adt_destructor(self.did()) } + // FIXME(zetanumbers): consider supporting this method in same places where + // `destructor` is referenced + pub fn async_destructor(self, tcx: TyCtxt<'tcx>) -> Option { + tcx.adt_async_destructor(self.did()) + } + /// Returns a type such that `Self: Sized` if and only if that type is `Sized`, /// or `None` if the type is always sized. pub fn sized_constraint(self, tcx: TyCtxt<'tcx>) -> Option>> { diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs index f24074cb472d..90c154233dab 100644 --- a/compiler/rustc_middle/src/ty/mod.rs +++ b/compiler/rustc_middle/src/ty/mod.rs @@ -1172,6 +1172,15 @@ pub struct Destructor { pub constness: hir::Constness, } +// FIXME: consider combining this definition with regular `Destructor` +#[derive(Copy, Clone, Debug, HashStable, Encodable, Decodable)] +pub struct AsyncDestructor { + /// The `DefId` of the async destructor future constructor + pub ctor: DefId, + /// The `DefId` of the async destructor future type + pub future: DefId, +} + #[derive(Clone, Copy, PartialEq, Eq, HashStable, TyEncodable, TyDecodable)] pub struct VariantFlags(u8); bitflags::bitflags! { diff --git a/compiler/rustc_middle/src/ty/sty.rs b/compiler/rustc_middle/src/ty/sty.rs index 5cf96d298375..00f603a88189 100644 --- a/compiler/rustc_middle/src/ty/sty.rs +++ b/compiler/rustc_middle/src/ty/sty.rs @@ -1991,7 +1991,7 @@ impl<'tcx> Ty<'tcx> { ty::Adt(adt_def, _) => { assert!(adt_def.is_union()); - let surface_drop = self.surface_async_dropper_ty(tcx, param_env).unwrap(); + let surface_drop = self.surface_async_dropper_ty(tcx).unwrap(); Ty::async_destructor_combinator(tcx, LangItem::AsyncDropFuse) .instantiate(tcx, &[surface_drop.into()]) @@ -2041,7 +2041,7 @@ impl<'tcx> Ty<'tcx> { }) .unwrap(); - let dtor = if let Some(dropper_ty) = self.surface_async_dropper_ty(tcx, param_env) { + let dtor = if let Some(dropper_ty) = self.surface_async_dropper_ty(tcx) { Ty::async_destructor_combinator(tcx, LangItem::AsyncDropChain) .instantiate(tcx, &[dropper_ty.into(), variants_dtor.into()]) } else { @@ -2052,21 +2052,13 @@ impl<'tcx> Ty<'tcx> { .instantiate(tcx, &[dtor.into()]) } - fn surface_async_dropper_ty( - self, - tcx: TyCtxt<'tcx>, - param_env: ParamEnv<'tcx>, - ) -> Option> { - if self.has_surface_async_drop(tcx, param_env) { - Some(LangItem::SurfaceAsyncDropInPlace) - } else if self.has_surface_drop(tcx, param_env) { - Some(LangItem::AsyncDropSurfaceDropInPlace) - } else { - None - } - .map(|dropper| { - Ty::async_destructor_combinator(tcx, dropper).instantiate(tcx, &[self.into()]) - }) + fn surface_async_dropper_ty(self, tcx: TyCtxt<'tcx>) -> Option> { + let adt_def = self.ty_adt_def()?; + let dropper = adt_def + .async_destructor(tcx) + .map(|_| LangItem::SurfaceAsyncDropInPlace) + .or_else(|| adt_def.destructor(tcx).map(|_| LangItem::AsyncDropSurfaceDropInPlace))?; + Some(Ty::async_destructor_combinator(tcx, dropper).instantiate(tcx, &[self.into()])) } fn async_destructor_combinator( diff --git a/compiler/rustc_middle/src/ty/util.rs b/compiler/rustc_middle/src/ty/util.rs index cacaa859d526..905ada3832d5 100644 --- a/compiler/rustc_middle/src/ty/util.rs +++ b/compiler/rustc_middle/src/ty/util.rs @@ -4,8 +4,8 @@ use crate::middle::codegen_fn_attrs::CodegenFnAttrFlags; use crate::query::{IntoQueryParam, Providers}; use crate::ty::layout::{FloatExt, IntegerExt}; use crate::ty::{ - self, FallibleTypeFolder, Ty, TyCtxt, TypeFoldable, TypeFolder, TypeSuperFoldable, - TypeVisitableExt, Upcast, + self, Asyncness, FallibleTypeFolder, ToPredicate, Ty, TyCtxt, TypeFoldable, TypeFolder, + TypeSuperFoldable, TypeVisitableExt, Upcast, }; use crate::ty::{GenericArgKind, GenericArgsRef}; use rustc_apfloat::Float as _; @@ -382,6 +382,45 @@ impl<'tcx> TyCtxt<'tcx> { Some(ty::Destructor { did, constness }) } + /// Calculate the async destructor of a given type. + pub fn calculate_async_dtor( + self, + adt_did: DefId, + validate: impl Fn(Self, DefId) -> Result<(), ErrorGuaranteed>, + ) -> Option { + let async_drop_trait = self.lang_items().async_drop_trait()?; + self.ensure().coherent_trait(async_drop_trait).ok()?; + + let ty = self.type_of(adt_did).instantiate_identity(); + let mut dtor_candidate = None; + self.for_each_relevant_impl(async_drop_trait, ty, |impl_did| { + if validate(self, impl_did).is_err() { + // Already `ErrorGuaranteed`, no need to delay a span bug here. + return; + } + + let [future, ctor] = self.associated_item_def_ids(impl_did) else { + self.dcx().span_delayed_bug( + self.def_span(impl_did), + "AsyncDrop impl without async_drop function or Dropper type", + ); + return; + }; + + if let Some((_, _, old_impl_did)) = dtor_candidate { + self.dcx() + .struct_span_err(self.def_span(impl_did), "multiple async drop impls found") + .with_span_note(self.def_span(old_impl_did), "other impl here") + .delay_as_bug(); + } + + dtor_candidate = Some((*future, *ctor, impl_did)); + }); + + let (future, ctor, _) = dtor_candidate?; + Some(ty::AsyncDestructor { future, ctor }) + } + /// Returns the set of types that are required to be alive in /// order to run the destructor of `def` (see RFCs 769 and /// 1238). @@ -1303,72 +1342,19 @@ impl<'tcx> Ty<'tcx> { } } - /// Checks whether values of this type `T` implements the `AsyncDrop` - /// trait. - pub fn has_surface_async_drop(self, tcx: TyCtxt<'tcx>, param_env: ty::ParamEnv<'tcx>) -> bool { - self.could_have_surface_async_drop() && tcx.has_surface_async_drop_raw(param_env.and(self)) - } - - /// Fast path helper for testing if a type has `AsyncDrop` - /// implementation. - /// - /// Returning `false` means the type is known to not have `AsyncDrop` - /// implementation. Returning `true` means nothing -- could be - /// `AsyncDrop`, might not be. - fn could_have_surface_async_drop(self) -> bool { - !self.is_async_destructor_trivially_noop() - && !matches!( - self.kind(), - ty::Tuple(_) - | ty::Slice(_) - | ty::Array(_, _) - | ty::Closure(..) - | ty::CoroutineClosure(..) - | ty::Coroutine(..) - ) - } - - /// Checks whether values of this type `T` implements the `Drop` - /// trait. - pub fn has_surface_drop(self, tcx: TyCtxt<'tcx>, param_env: ty::ParamEnv<'tcx>) -> bool { - self.could_have_surface_drop() && tcx.has_surface_drop_raw(param_env.and(self)) - } - - /// Fast path helper for testing if a type has `Drop` implementation. - /// - /// Returning `false` means the type is known to not have `Drop` - /// implementation. Returning `true` means nothing -- could be - /// `Drop`, might not be. - fn could_have_surface_drop(self) -> bool { - !self.is_async_destructor_trivially_noop() - && !matches!( - self.kind(), - ty::Tuple(_) - | ty::Slice(_) - | ty::Array(_, _) - | ty::Closure(..) - | ty::CoroutineClosure(..) - | ty::Coroutine(..) - ) - } - /// Checks whether values of this type `T` implement has noop async destructor. // // FIXME: implement optimization to make ADTs, which do not need drop, - // to skip fields or to have noop async destructor. + // to skip fields or to have noop async destructor, use `needs_(async_)drop` pub fn is_async_destructor_noop( self, tcx: TyCtxt<'tcx>, param_env: ty::ParamEnv<'tcx>, ) -> bool { + // TODO: check on the most generic version of your type self.is_async_destructor_trivially_noop() - || if let ty::Adt(adt_def, _) = self.kind() { - (adt_def.is_union() || adt_def.is_payloadfree()) - && !self.has_surface_async_drop(tcx, param_env) - && !self.has_surface_drop(tcx, param_env) - } else { - false - } + || self.needs_async_drop(tcx, param_env) + || self.needs_drop(tcx, param_env) } /// Fast path helper for testing if a type has noop async destructor. @@ -1391,7 +1377,34 @@ impl<'tcx> Ty<'tcx> { | ty::FnPtr(_) => true, ty::Tuple(tys) => tys.is_empty(), ty::Adt(adt_def, _) => adt_def.is_manually_drop(), - _ => false, + ty::Bool => todo!(), + ty::Char => todo!(), + ty::Int(_) => todo!(), + ty::Uint(_) => todo!(), + ty::Float(_) => todo!(), + ty::Adt(_, _) => todo!(), + ty::Foreign(_) => todo!(), + ty::Str => todo!(), + ty::Array(_, _) => todo!(), + ty::Pat(_, _) => todo!(), + ty::Slice(_) => todo!(), + ty::RawPtr(_, _) => todo!(), + ty::Ref(_, _, _) => todo!(), + ty::FnDef(_, _) => todo!(), + ty::FnPtr(_) => todo!(), + ty::Dynamic(_, _, _) => todo!(), + ty::Closure(_, _) => todo!(), + ty::CoroutineClosure(_, _) => todo!(), + ty::Coroutine(_, _) => todo!(), + ty::CoroutineWitness(_, _) => todo!(), + ty::Never => todo!(), + ty::Tuple(_) => todo!(), + ty::Alias(_, _) => todo!(), + ty::Param(_) => todo!(), + ty::Bound(_, _) => todo!(), + ty::Placeholder(_) => todo!(), + ty::Infer(_) => todo!(), + ty::Error(_) => todo!(), } } @@ -1430,6 +1443,42 @@ impl<'tcx> Ty<'tcx> { } } + /// If `ty.needs_async_drop(...)` returns `true`, then `ty` is definitely + /// non-copy and *might* have a async destructor attached; if it returns + /// `false`, then `ty` definitely has no async destructor (i.e., no async + /// drop glue). + /// + /// (Note that this implies that if `ty` has an async destructor attached, + /// then `needs_async_drop` will definitely return `true` for `ty`.) + /// + /// Note that this method is used to check eligible types in unions. + #[inline] + pub fn needs_async_drop(self, tcx: TyCtxt<'tcx>, param_env: ty::ParamEnv<'tcx>) -> bool { + // Avoid querying in simple cases. + match needs_drop_components(tcx, self) { + Err(AlwaysRequiresDrop) => true, + Ok(components) => { + let query_ty = match *components { + [] => return false, + // If we've got a single component, call the query with that + // to increase the chance that we hit the query cache. + [component_ty] => component_ty, + _ => self, + }; + + // This doesn't depend on regions, so try to minimize distinct + // query keys used. + // If normalization fails, we just use `query_ty`. + debug_assert!(!param_env.has_infer()); + let query_ty = tcx + .try_normalize_erasing_regions(param_env, query_ty) + .unwrap_or_else(|_| tcx.erase_regions(query_ty)); + + tcx.needs_async_drop_raw(param_env.and(query_ty)) + } + } + } + /// Checks if `ty` has a significant drop. /// /// Note that this method can return false even if `ty` has a destructor @@ -1598,12 +1647,24 @@ impl<'tcx> ExplicitSelf<'tcx> { } } +// FIXME(zetanumbers): make specifying asyncness explicit /// Returns a list of types such that the given type needs drop if and only if /// *any* of the returned types need drop. Returns `Err(AlwaysRequiresDrop)` if /// this type always needs drop. pub fn needs_drop_components<'tcx>( tcx: TyCtxt<'tcx>, ty: Ty<'tcx>, +) -> Result; 2]>, AlwaysRequiresDrop> { + needs_drop_components_with_async(tcx, ty, Asyncness::No) +} + +/// Returns a list of types such that the given type needs drop if and only if +/// *any* of the returned types need drop. Returns `Err(AlwaysRequiresDrop)` if +/// this type always needs drop. +pub fn needs_drop_components_with_async<'tcx>( + tcx: TyCtxt<'tcx>, + ty: Ty<'tcx>, + asyncness: Asyncness, ) -> Result; 2]>, AlwaysRequiresDrop> { match *ty.kind() { ty::Infer(ty::FreshIntTy(_)) @@ -1623,11 +1684,18 @@ pub fn needs_drop_components<'tcx>( // Foreign types can never have destructors. ty::Foreign(..) => Ok(SmallVec::new()), - ty::Dynamic(..) | ty::Error(_) => Err(AlwaysRequiresDrop), + // FIXME(zetanumbers): Temporary workaround for async drop of dynamic types + ty::Dynamic(..) | ty::Error(_) => { + if asyncness.is_async() { + Ok(SmallVec::new()) + } else { + Err(AlwaysRequiresDrop) + } + } - ty::Pat(ty, _) | ty::Slice(ty) => needs_drop_components(tcx, ty), + ty::Pat(ty, _) | ty::Slice(ty) => needs_drop_components_with_async(tcx, ty, asyncness), ty::Array(elem_ty, size) => { - match needs_drop_components(tcx, elem_ty) { + match needs_drop_components_with_async(tcx, elem_ty, asyncness) { Ok(v) if v.is_empty() => Ok(v), res => match size.try_to_target_usize(tcx) { // Arrays of size zero don't need drop, even if their element @@ -1643,7 +1711,7 @@ pub fn needs_drop_components<'tcx>( } // If any field needs drop, then the whole tuple does. ty::Tuple(fields) => fields.iter().try_fold(SmallVec::new(), move |mut acc, elem| { - acc.extend(needs_drop_components(tcx, elem)?); + acc.extend(needs_drop_components_with_async(tcx, elem, asyncness)?); Ok(acc) }), diff --git a/compiler/rustc_ty_utils/src/common_traits.rs b/compiler/rustc_ty_utils/src/common_traits.rs index cb95239e9919..51b908881eb4 100644 --- a/compiler/rustc_ty_utils/src/common_traits.rs +++ b/compiler/rustc_ty_utils/src/common_traits.rs @@ -22,17 +22,6 @@ fn is_unpin_raw<'tcx>(tcx: TyCtxt<'tcx>, query: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) is_item_raw(tcx, query, LangItem::Unpin) } -fn has_surface_async_drop_raw<'tcx>( - tcx: TyCtxt<'tcx>, - query: ty::ParamEnvAnd<'tcx, Ty<'tcx>>, -) -> bool { - is_item_raw(tcx, query, LangItem::AsyncDrop) -} - -fn has_surface_drop_raw<'tcx>(tcx: TyCtxt<'tcx>, query: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> bool { - is_item_raw(tcx, query, LangItem::Drop) -} - fn is_item_raw<'tcx>( tcx: TyCtxt<'tcx>, query: ty::ParamEnvAnd<'tcx, Ty<'tcx>>, @@ -45,13 +34,5 @@ fn is_item_raw<'tcx>( } pub(crate) fn provide(providers: &mut Providers) { - *providers = Providers { - is_copy_raw, - is_sized_raw, - is_freeze_raw, - is_unpin_raw, - has_surface_async_drop_raw, - has_surface_drop_raw, - ..*providers - }; + *providers = Providers { is_copy_raw, is_sized_raw, is_freeze_raw, is_unpin_raw, ..*providers }; } diff --git a/compiler/rustc_ty_utils/src/needs_drop.rs b/compiler/rustc_ty_utils/src/needs_drop.rs index 72ee1a482495..7fc3543ff66a 100644 --- a/compiler/rustc_ty_utils/src/needs_drop.rs +++ b/compiler/rustc_ty_utils/src/needs_drop.rs @@ -30,6 +30,21 @@ fn needs_drop_raw<'tcx>(tcx: TyCtxt<'tcx>, query: ty::ParamEnvAnd<'tcx, Ty<'tcx> res } +fn needs_async_drop_raw<'tcx>(tcx: TyCtxt<'tcx>, query: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> bool { + // If we don't know a type doesn't need async drop, for example if it's a + // type parameter without a `Copy` bound, then we conservatively return that + // it needs async drop. + let adt_has_async_dtor = + |adt_def: ty::AdtDef<'tcx>| adt_def.async_destructor(tcx).map(|_| DtorType::Significant); + let res = drop_tys_helper(tcx, query.value, query.param_env, adt_has_dtor, false) + .filter(filter_array_elements(tcx, query.param_env)) + .next() + .is_some(); + + debug!("needs_drop_raw({:?}) = {:?}", query, res); + res +} + /// HACK: in order to not mistakenly assume that `[PhantomData; N]` requires drop glue /// we check the element type for drop glue. The correct fix would be looking at the /// entirety of the code around `needs_drop_components` and this file and come up with @@ -389,6 +404,7 @@ fn adt_significant_drop_tys( pub(crate) fn provide(providers: &mut Providers) { *providers = Providers { needs_drop_raw, + needs_async_drop_raw, has_significant_drop_raw, adt_drop_tys, adt_significant_drop_tys, From 7cdd95e1a683c89baff762a6c7755951bcd32717 Mon Sep 17 00:00:00 2001 From: Daria Sukhonina Date: Fri, 3 May 2024 15:47:23 +0300 Subject: [PATCH 0706/1716] Optimize async drop glue for some old types --- compiler/rustc_hir/src/lang_items.rs | 1 + compiler/rustc_middle/src/ty/adt.rs | 4 +- compiler/rustc_middle/src/ty/sty.rs | 48 +++--- compiler/rustc_middle/src/ty/util.rs | 139 +++++++++++------- .../src/shim/async_destructor_ctor.rs | 37 ++++- compiler/rustc_span/src/symbol.rs | 1 + .../src/solve/normalizes_to/mod.rs | 2 +- .../src/traits/project.rs | 2 +- compiler/rustc_ty_utils/src/instance.rs | 3 +- compiler/rustc_ty_utils/src/needs_drop.rs | 2 +- library/core/src/future/async_drop.rs | 11 ++ 11 files changed, 161 insertions(+), 89 deletions(-) diff --git a/compiler/rustc_hir/src/lang_items.rs b/compiler/rustc_hir/src/lang_items.rs index c4be67cdd887..4c9d143a63b9 100644 --- a/compiler/rustc_hir/src/lang_items.rs +++ b/compiler/rustc_hir/src/lang_items.rs @@ -176,6 +176,7 @@ language_item_table! { AsyncDropSlice, sym::async_drop_slice, async_drop_slice_fn, Target::Fn, GenericRequirement::Exact(1); AsyncDropChain, sym::async_drop_chain, async_drop_chain_fn, Target::Fn, GenericRequirement::Exact(2); AsyncDropNoop, sym::async_drop_noop, async_drop_noop_fn, Target::Fn, GenericRequirement::Exact(0); + AsyncDropDeferredDropInPlace, sym::async_drop_deferred_drop_in_place, async_drop_deferred_drop_in_place_fn, Target::Fn, GenericRequirement::Exact(1); AsyncDropFuse, sym::async_drop_fuse, async_drop_fuse_fn, Target::Fn, GenericRequirement::Exact(1); AsyncDropDefer, sym::async_drop_defer, async_drop_defer_fn, Target::Fn, GenericRequirement::Exact(1); AsyncDropEither, sym::async_drop_either, async_drop_either_fn, Target::Fn, GenericRequirement::Exact(3); diff --git a/compiler/rustc_middle/src/ty/adt.rs b/compiler/rustc_middle/src/ty/adt.rs index 988ce35484d5..5f9b870331c9 100644 --- a/compiler/rustc_middle/src/ty/adt.rs +++ b/compiler/rustc_middle/src/ty/adt.rs @@ -579,8 +579,8 @@ impl<'tcx> AdtDef<'tcx> { tcx.adt_destructor(self.did()) } - // FIXME(zetanumbers): consider supporting this method in same places where - // `destructor` is referenced + // FIXME: consider combining this method with `AdtDef::destructor` and removing + // this version pub fn async_destructor(self, tcx: TyCtxt<'tcx>) -> Option { tcx.adt_async_destructor(self.did()) } diff --git a/compiler/rustc_middle/src/ty/sty.rs b/compiler/rustc_middle/src/ty/sty.rs index 00f603a88189..5f7385fccc98 100644 --- a/compiler/rustc_middle/src/ty/sty.rs +++ b/compiler/rustc_middle/src/ty/sty.rs @@ -25,7 +25,7 @@ use std::assert_matches::debug_assert_matches; use std::borrow::Cow; use std::iter; use std::ops::{ControlFlow, Range}; -use ty::util::IntTypeExt; +use ty::util::{AsyncDropGlueMorphology, IntTypeExt}; use rustc_type_ir::TyKind::*; use rustc_type_ir::{self as ir, BoundVar, CollectAndApply, DynKind}; @@ -1951,11 +1951,22 @@ impl<'tcx> Ty<'tcx> { } /// Returns the type of the async destructor of this type. - pub fn async_destructor_ty(self, tcx: TyCtxt<'tcx>, param_env: ParamEnv<'tcx>) -> Ty<'tcx> { - if self.is_async_destructor_noop(tcx, param_env) || matches!(self.kind(), ty::Error(_)) { - return Ty::async_destructor_combinator(tcx, LangItem::AsyncDropNoop) - .instantiate_identity(); + pub fn async_destructor_ty(self, tcx: TyCtxt<'tcx>) -> Ty<'tcx> { + match self.async_drop_glue_morphology(tcx) { + AsyncDropGlueMorphology::Noop => { + return Ty::async_destructor_combinator(tcx, LangItem::AsyncDropNoop) + .instantiate_identity(); + } + AsyncDropGlueMorphology::DeferredDropInPlace => { + let drop_in_place = + Ty::async_destructor_combinator(tcx, LangItem::AsyncDropDeferredDropInPlace) + .instantiate(tcx, &[self.into()]); + return Ty::async_destructor_combinator(tcx, LangItem::AsyncDropFuse) + .instantiate(tcx, &[drop_in_place.into()]); + } + AsyncDropGlueMorphology::Custom => (), } + match *self.kind() { ty::Param(_) | ty::Alias(..) | ty::Infer(ty::TyVar(_)) => { let assoc_items = tcx @@ -1974,19 +1985,13 @@ impl<'tcx> Ty<'tcx> { .adt_async_destructor_ty( tcx, adt_def.variants().iter().map(|v| v.fields.iter().map(|f| f.ty(tcx, args))), - param_env, ), - ty::Tuple(tys) => self.adt_async_destructor_ty(tcx, iter::once(tys), param_env), - ty::Closure(_, args) => self.adt_async_destructor_ty( - tcx, - iter::once(args.as_closure().upvar_tys()), - param_env, - ), - ty::CoroutineClosure(_, args) => self.adt_async_destructor_ty( - tcx, - iter::once(args.as_coroutine_closure().upvar_tys()), - param_env, - ), + ty::Tuple(tys) => self.adt_async_destructor_ty(tcx, iter::once(tys)), + ty::Closure(_, args) => { + self.adt_async_destructor_ty(tcx, iter::once(args.as_closure().upvar_tys())) + } + ty::CoroutineClosure(_, args) => self + .adt_async_destructor_ty(tcx, iter::once(args.as_coroutine_closure().upvar_tys())), ty::Adt(adt_def, _) => { assert!(adt_def.is_union()); @@ -2008,17 +2013,12 @@ impl<'tcx> Ty<'tcx> { } } - fn adt_async_destructor_ty( - self, - tcx: TyCtxt<'tcx>, - variants: I, - param_env: ParamEnv<'tcx>, - ) -> Ty<'tcx> + fn adt_async_destructor_ty(self, tcx: TyCtxt<'tcx>, variants: I) -> Ty<'tcx> where I: Iterator + ExactSizeIterator, I::Item: IntoIterator>, { - debug_assert!(!self.is_async_destructor_noop(tcx, param_env)); + debug_assert_eq!(self.async_drop_glue_morphology(tcx), AsyncDropGlueMorphology::Custom); let defer = Ty::async_destructor_combinator(tcx, LangItem::AsyncDropDefer); let chain = Ty::async_destructor_combinator(tcx, LangItem::AsyncDropChain); diff --git a/compiler/rustc_middle/src/ty/util.rs b/compiler/rustc_middle/src/ty/util.rs index 905ada3832d5..2f2d03e9ec84 100644 --- a/compiler/rustc_middle/src/ty/util.rs +++ b/compiler/rustc_middle/src/ty/util.rs @@ -421,6 +421,25 @@ impl<'tcx> TyCtxt<'tcx> { Some(ty::AsyncDestructor { future, ctor }) } + /// Returns async drop glue morphology for a definition. To get async drop + /// glue morphology for a type see [`Ty::async_drop_glue_morphology`]. + // + // FIXME: consider making this a query + pub fn async_drop_glue_morphology(self, did: DefId) -> AsyncDropGlueMorphology { + let ty: Ty<'tcx> = self.type_of(did).instantiate_identity(); + + // Async drop glue morphology is an internal detail, so reveal_all probably + // should be fine + let param_env = ty::ParamEnv::reveal_all(); + if ty.needs_async_drop(self, param_env) { + AsyncDropGlueMorphology::Custom + } else if ty.needs_drop(self, param_env) { + AsyncDropGlueMorphology::DeferredDropInPlace + } else { + AsyncDropGlueMorphology::Noop + } + } + /// Returns the set of types that are required to be alive in /// order to run the destructor of `def` (see RFCs 769 and /// 1238). @@ -1177,6 +1196,18 @@ impl<'tcx> TypeFolder> for WeakAliasTypeExpander<'tcx> { } } +/// Indicates the form of `AsyncDestruct::Destructor`. Used to simplify async +/// drop glue for types not using async drop. +#[derive(Clone, Copy, PartialEq, Eq, Debug)] +pub enum AsyncDropGlueMorphology { + /// Async destructor simply does nothing + Noop, + /// Async destructor simply runs `drop_in_place` + DeferredDropInPlace, + /// Async destructor has custom logic + Custom, +} + impl<'tcx> Ty<'tcx> { /// Returns the `Size` for primitive types (bool, uint, int, char, float). pub fn primitive_size(self, tcx: TyCtxt<'tcx>) -> Size { @@ -1342,27 +1373,16 @@ impl<'tcx> Ty<'tcx> { } } - /// Checks whether values of this type `T` implement has noop async destructor. + /// Get morphology of the async drop glue, needed for types which do not + /// use async drop. To get async drop glue morphology for a definition see + /// [`TyCtxt::async_drop_glue_morphology`]. Used for `AsyncDestruct::Destructor` + /// type construction. // - // FIXME: implement optimization to make ADTs, which do not need drop, - // to skip fields or to have noop async destructor, use `needs_(async_)drop` - pub fn is_async_destructor_noop( - self, - tcx: TyCtxt<'tcx>, - param_env: ty::ParamEnv<'tcx>, - ) -> bool { - // TODO: check on the most generic version of your type - self.is_async_destructor_trivially_noop() - || self.needs_async_drop(tcx, param_env) - || self.needs_drop(tcx, param_env) - } - - /// Fast path helper for testing if a type has noop async destructor. - /// - /// Returning `true` means the type is known to have noop async destructor - /// implementation. Returning `true` means nothing -- could be - /// `Drop`, might not be. - fn is_async_destructor_trivially_noop(self) -> bool { + // FIXME: implement optimization to not instantiate a certain morphology of + // async drop glue too soon to allow per type optimizations, see array case + // for more info. Perhaps then remove this method and use `needs_(async_)drop` + // instead. + pub fn async_drop_glue_morphology(self, tcx: TyCtxt<'tcx>) -> AsyncDropGlueMorphology { match self.kind() { ty::Int(_) | ty::Uint(_) @@ -1374,37 +1394,43 @@ impl<'tcx> Ty<'tcx> { | ty::Ref(..) | ty::RawPtr(..) | ty::FnDef(..) - | ty::FnPtr(_) => true, - ty::Tuple(tys) => tys.is_empty(), - ty::Adt(adt_def, _) => adt_def.is_manually_drop(), - ty::Bool => todo!(), - ty::Char => todo!(), - ty::Int(_) => todo!(), - ty::Uint(_) => todo!(), - ty::Float(_) => todo!(), - ty::Adt(_, _) => todo!(), - ty::Foreign(_) => todo!(), - ty::Str => todo!(), - ty::Array(_, _) => todo!(), - ty::Pat(_, _) => todo!(), - ty::Slice(_) => todo!(), - ty::RawPtr(_, _) => todo!(), - ty::Ref(_, _, _) => todo!(), - ty::FnDef(_, _) => todo!(), - ty::FnPtr(_) => todo!(), - ty::Dynamic(_, _, _) => todo!(), - ty::Closure(_, _) => todo!(), - ty::CoroutineClosure(_, _) => todo!(), - ty::Coroutine(_, _) => todo!(), - ty::CoroutineWitness(_, _) => todo!(), - ty::Never => todo!(), - ty::Tuple(_) => todo!(), - ty::Alias(_, _) => todo!(), - ty::Param(_) => todo!(), - ty::Bound(_, _) => todo!(), - ty::Placeholder(_) => todo!(), - ty::Infer(_) => todo!(), - ty::Error(_) => todo!(), + | ty::FnPtr(_) + | ty::Infer(ty::FreshIntTy(_)) + | ty::Infer(ty::FreshFloatTy(_)) => AsyncDropGlueMorphology::Noop, + + ty::Tuple(tys) if tys.is_empty() => AsyncDropGlueMorphology::Noop, + ty::Adt(adt_def, _) if adt_def.is_manually_drop() => AsyncDropGlueMorphology::Noop, + + // Foreign types can never have destructors. + ty::Foreign(_) => AsyncDropGlueMorphology::Noop, + + // FIXME: implement dynamic types async drops + ty::Error(_) | ty::Dynamic(..) => AsyncDropGlueMorphology::DeferredDropInPlace, + + ty::Tuple(_) | ty::Array(_, _) | ty::Slice(_) => { + // Assume worst-case scenario, because we can instantiate async + // destructors in different orders: + // + // 1. Instantiate [T; N] with T = String and N = 0 + // 2. Instantiate <[String; 0] as AsyncDestruct>::Destructor + // + // And viceversa, thus we cannot rely on String not using async + // drop or array having zero (0) elements + AsyncDropGlueMorphology::Custom + } + ty::Pat(ty, _) => ty.async_drop_glue_morphology(tcx), + + ty::Adt(adt_def, _) => tcx.async_drop_glue_morphology(adt_def.did()), + + ty::Closure(did, _) + | ty::CoroutineClosure(did, _) + | ty::Coroutine(did, _) + | ty::CoroutineWitness(did, _) => tcx.async_drop_glue_morphology(*did), + + ty::Alias(..) | ty::Param(_) | ty::Bound(..) | ty::Placeholder(..) | ty::Infer(_) => { + // No specifics, but would usually mean forwarding async drop glue + AsyncDropGlueMorphology::Custom + } } } @@ -1451,7 +1477,11 @@ impl<'tcx> Ty<'tcx> { /// (Note that this implies that if `ty` has an async destructor attached, /// then `needs_async_drop` will definitely return `true` for `ty`.) /// - /// Note that this method is used to check eligible types in unions. + /// When constructing `AsyncDestruct::Destructor` type, use + /// [`Ty::async_drop_glue_morphology`] instead. + // + // FIXME(zetanumbers): Note that this method is used to check eligible types + // in unions. #[inline] pub fn needs_async_drop(self, tcx: TyCtxt<'tcx>, param_env: ty::ParamEnv<'tcx>) -> bool { // Avoid querying in simple cases. @@ -1647,10 +1677,13 @@ impl<'tcx> ExplicitSelf<'tcx> { } } -// FIXME(zetanumbers): make specifying asyncness explicit /// Returns a list of types such that the given type needs drop if and only if /// *any* of the returned types need drop. Returns `Err(AlwaysRequiresDrop)` if /// this type always needs drop. +// +// FIXME(zetanumbers): consider replacing this with only +// `needs_drop_components_with_async` +#[inline] pub fn needs_drop_components<'tcx>( tcx: TyCtxt<'tcx>, ty: Ty<'tcx>, diff --git a/compiler/rustc_mir_transform/src/shim/async_destructor_ctor.rs b/compiler/rustc_mir_transform/src/shim/async_destructor_ctor.rs index f4481c22fc1f..aa9c87d8f80d 100644 --- a/compiler/rustc_mir_transform/src/shim/async_destructor_ctor.rs +++ b/compiler/rustc_mir_transform/src/shim/async_destructor_ctor.rs @@ -12,7 +12,7 @@ use rustc_middle::mir::{ Terminator, TerminatorKind, UnwindAction, UnwindTerminateReason, RETURN_PLACE, }; use rustc_middle::ty::adjustment::PointerCoercion; -use rustc_middle::ty::util::Discr; +use rustc_middle::ty::util::{AsyncDropGlueMorphology, Discr}; use rustc_middle::ty::{self, Ty, TyCtxt}; use rustc_middle::{bug, span_bug}; use rustc_span::source_map::respan; @@ -116,15 +116,25 @@ impl<'tcx> AsyncDestructorCtorShimBuilder<'tcx> { } fn build(self) -> Body<'tcx> { - let (tcx, def_id, Some(self_ty)) = (self.tcx, self.def_id, self.self_ty) else { + let (tcx, Some(self_ty)) = (self.tcx, self.self_ty) else { return self.build_zst_output(); }; + match self_ty.async_drop_glue_morphology(tcx) { + AsyncDropGlueMorphology::Noop => span_bug!( + self.span, + "async drop glue shim generator encountered type with noop async drop glue morphology" + ), + AsyncDropGlueMorphology::DeferredDropInPlace => { + return self.build_deferred_drop_in_place(); + } + AsyncDropGlueMorphology::Custom => (), + } let surface_drop_kind = || { - let param_env = tcx.param_env_reveal_all_normalized(def_id); - if self_ty.has_surface_async_drop(tcx, param_env) { + let adt_def = self_ty.ty_adt_def()?; + if adt_def.async_destructor(tcx).is_some() { Some(SurfaceDropKind::Async) - } else if self_ty.has_surface_drop(tcx, param_env) { + } else if adt_def.destructor(tcx).is_some() { Some(SurfaceDropKind::Sync) } else { None @@ -267,6 +277,13 @@ impl<'tcx> AsyncDestructorCtorShimBuilder<'tcx> { self.return_() } + fn build_deferred_drop_in_place(mut self) -> Body<'tcx> { + self.put_self(); + let deferred = self.combine_deferred_drop_in_place(); + self.combine_fuse(deferred); + self.return_() + } + fn build_fused_async_surface(mut self) -> Body<'tcx> { self.put_self(); let surface = self.combine_async_surface(); @@ -441,6 +458,14 @@ impl<'tcx> AsyncDestructorCtorShimBuilder<'tcx> { ) } + fn combine_deferred_drop_in_place(&mut self) -> Ty<'tcx> { + self.apply_combinator( + 1, + LangItem::AsyncDropDeferredDropInPlace, + &[self.self_ty.unwrap().into()], + ) + } + fn combine_fuse(&mut self, inner_future_ty: Ty<'tcx>) -> Ty<'tcx> { self.apply_combinator(1, LangItem::AsyncDropFuse, &[inner_future_ty.into()]) } @@ -481,7 +506,7 @@ impl<'tcx> AsyncDestructorCtorShimBuilder<'tcx> { if let Some(ty) = self.self_ty { debug_assert_eq!( output.ty(&self.locals, self.tcx), - ty.async_destructor_ty(self.tcx, self.param_env), + ty.async_destructor_ty(self.tcx), "output async destructor types did not match for type: {ty:?}", ); } diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index 90da220b3f54..f771b4686902 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -430,6 +430,7 @@ symbols! { async_drop, async_drop_chain, async_drop_defer, + async_drop_deferred_drop_in_place, async_drop_either, async_drop_fuse, async_drop_in_place, diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs b/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs index 7fd2a3801cc4..9d4c03375fe8 100644 --- a/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs @@ -839,7 +839,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { | ty::Str | ty::Slice(_) | ty::Tuple(_) - | ty::Error(_) => self_ty.async_destructor_ty(ecx.interner(), goal.param_env), + | ty::Error(_) => self_ty.async_destructor_ty(ecx.interner()), // We do not call `Ty::async_destructor_ty` on alias, param, or placeholder // types, which return `::AsyncDestructor` diff --git a/compiler/rustc_trait_selection/src/traits/project.rs b/compiler/rustc_trait_selection/src/traits/project.rs index 87c8b1cda504..0f8b003c0778 100644 --- a/compiler/rustc_trait_selection/src/traits/project.rs +++ b/compiler/rustc_trait_selection/src/traits/project.rs @@ -1560,7 +1560,7 @@ fn confirm_builtin_candidate<'cx, 'tcx>( let destructor_def_id = tcx.associated_item_def_ids(trait_def_id)[0]; assert_eq!(destructor_def_id, item_def_id); - (self_ty.async_destructor_ty(tcx, obligation.param_env).into(), Vec::new()) + (self_ty.async_destructor_ty(tcx).into(), Vec::new()) } else if lang_items.pointee_trait() == Some(trait_def_id) { let metadata_def_id = tcx.require_lang_item(LangItem::Metadata, None); assert_eq!(metadata_def_id, item_def_id); diff --git a/compiler/rustc_ty_utils/src/instance.rs b/compiler/rustc_ty_utils/src/instance.rs index 0d089205c1ec..e4dcea785d41 100644 --- a/compiler/rustc_ty_utils/src/instance.rs +++ b/compiler/rustc_ty_utils/src/instance.rs @@ -4,6 +4,7 @@ use rustc_infer::infer::TyCtxtInferExt; use rustc_middle::bug; use rustc_middle::query::Providers; use rustc_middle::traits::{BuiltinImplSource, CodegenObligationError}; +use rustc_middle::ty::util::AsyncDropGlueMorphology; use rustc_middle::ty::GenericArgsRef; use rustc_middle::ty::{self, Instance, TyCtxt, TypeVisitableExt}; use rustc_span::sym; @@ -59,7 +60,7 @@ fn resolve_instance<'tcx>( } else if Some(def_id) == tcx.lang_items().async_drop_in_place_fn() { let ty = args.type_at(0); - if !ty.is_async_destructor_noop(tcx, param_env) { + if ty.async_drop_glue_morphology(tcx) != AsyncDropGlueMorphology::Noop { match *ty.kind() { ty::Closure(..) | ty::CoroutineClosure(..) diff --git a/compiler/rustc_ty_utils/src/needs_drop.rs b/compiler/rustc_ty_utils/src/needs_drop.rs index 7fc3543ff66a..205b3f2760f3 100644 --- a/compiler/rustc_ty_utils/src/needs_drop.rs +++ b/compiler/rustc_ty_utils/src/needs_drop.rs @@ -36,7 +36,7 @@ fn needs_async_drop_raw<'tcx>(tcx: TyCtxt<'tcx>, query: ty::ParamEnvAnd<'tcx, Ty // it needs async drop. let adt_has_async_dtor = |adt_def: ty::AdtDef<'tcx>| adt_def.async_destructor(tcx).map(|_| DtorType::Significant); - let res = drop_tys_helper(tcx, query.value, query.param_env, adt_has_dtor, false) + let res = drop_tys_helper(tcx, query.value, query.param_env, adt_has_async_dtor, false) .filter(filter_array_elements(tcx, query.param_env)) .next() .is_some(); diff --git a/library/core/src/future/async_drop.rs b/library/core/src/future/async_drop.rs index 0eb8d7bb3289..ea7e2f52ba1d 100644 --- a/library/core/src/future/async_drop.rs +++ b/library/core/src/future/async_drop.rs @@ -161,6 +161,11 @@ async unsafe fn surface_drop_in_place(ptr: *mut T) { /// wrapped future completes by returning `Poll::Ready(())` on poll. This /// is useful for constructing async destructors to guarantee this /// "fuse" property +// +// FIXME: Consider optimizing combinators to not have to use fuse in majority +// of cases, perhaps by adding `#[(rustc_)idempotent(_future)]` attribute for +// async functions and blocks with the unit return type. However current layout +// optimizations currently encode `None` case into the async block's discriminant. struct Fuse { inner: Option, } @@ -251,6 +256,12 @@ async unsafe fn either, M: IntoFuture, T } } +#[cfg(not(bootstrap))] +#[lang = "async_drop_deferred_drop_in_place"] +async unsafe fn deferred_drop_in_place(to_drop: *mut T) { + unsafe { crate::ptr::drop_in_place(to_drop) } +} + /// Used for noop async destructors. We don't use [`core::future::Ready`] /// because it panics after its second poll, which could be potentially /// bad if that would happen during the cleanup. From 2892302aef73715678f604ccbbf8e371bdf0ab4e Mon Sep 17 00:00:00 2001 From: Daria Sukhonina Date: Fri, 3 May 2024 17:02:26 +0300 Subject: [PATCH 0707/1716] Add safety comment to fix tidy --- library/core/src/future/async_drop.rs | 2 ++ 1 file changed, 2 insertions(+) diff --git a/library/core/src/future/async_drop.rs b/library/core/src/future/async_drop.rs index ea7e2f52ba1d..25138c445c43 100644 --- a/library/core/src/future/async_drop.rs +++ b/library/core/src/future/async_drop.rs @@ -259,6 +259,8 @@ async unsafe fn either, M: IntoFuture, T #[cfg(not(bootstrap))] #[lang = "async_drop_deferred_drop_in_place"] async unsafe fn deferred_drop_in_place(to_drop: *mut T) { + // SAFETY: same safety requirements as with drop_in_place (implied by + // function's name) unsafe { crate::ptr::drop_in_place(to_drop) } } From 39e193964e6b35e57b1e04f81831c625bd9e0c4c Mon Sep 17 00:00:00 2001 From: Daria Sukhonina Date: Mon, 20 May 2024 16:22:02 +0300 Subject: [PATCH 0708/1716] fix non-existing ToPredicate trait error --- compiler/rustc_middle/src/ty/util.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/compiler/rustc_middle/src/ty/util.rs b/compiler/rustc_middle/src/ty/util.rs index 2f2d03e9ec84..52a0e72e17e2 100644 --- a/compiler/rustc_middle/src/ty/util.rs +++ b/compiler/rustc_middle/src/ty/util.rs @@ -4,8 +4,8 @@ use crate::middle::codegen_fn_attrs::CodegenFnAttrFlags; use crate::query::{IntoQueryParam, Providers}; use crate::ty::layout::{FloatExt, IntegerExt}; use crate::ty::{ - self, Asyncness, FallibleTypeFolder, ToPredicate, Ty, TyCtxt, TypeFoldable, TypeFolder, - TypeSuperFoldable, TypeVisitableExt, Upcast, + self, Asyncness, FallibleTypeFolder, Ty, TyCtxt, TypeFoldable, TypeFolder, TypeSuperFoldable, + TypeVisitableExt, Upcast, }; use crate::ty::{GenericArgKind, GenericArgsRef}; use rustc_apfloat::Float as _; From 57a44b21197a7156608ec2d15cf6967e64f04db9 Mon Sep 17 00:00:00 2001 From: Daria Sukhonina Date: Fri, 24 May 2024 18:03:36 +0300 Subject: [PATCH 0709/1716] Bless new async destructor sizes in async drop tests --- src/tools/miri/tests/pass/async-drop.rs | 10 +++++----- tests/ui/async-await/async-drop.rs | 10 +++++----- 2 files changed, 10 insertions(+), 10 deletions(-) diff --git a/src/tools/miri/tests/pass/async-drop.rs b/src/tools/miri/tests/pass/async-drop.rs index 744ffdeebdaf..c289c9410b25 100644 --- a/src/tools/miri/tests/pass/async-drop.rs +++ b/src/tools/miri/tests/pass/async-drop.rs @@ -46,7 +46,7 @@ fn main() { let i = 13; let fut = pin!(async { - test_async_drop(Int(0), 16).await; + test_async_drop(Int(0), 0).await; test_async_drop(AsyncInt(0), 104).await; test_async_drop([AsyncInt(1), AsyncInt(2)], 152).await; test_async_drop((AsyncInt(3), AsyncInt(4)), 488).await; @@ -71,13 +71,13 @@ fn main() { ) .await; - test_async_drop(AsyncEnum::A(AsyncInt(12)), 792).await; - test_async_drop(AsyncEnum::B(SyncInt(13)), 792).await; + test_async_drop(AsyncEnum::A(AsyncInt(12)), 680).await; + test_async_drop(AsyncEnum::B(SyncInt(13)), 680).await; - test_async_drop(SyncInt(14), 72).await; + test_async_drop(SyncInt(14), 16).await; test_async_drop( SyncThenAsync { i: 15, a: AsyncInt(16), b: SyncInt(17), c: AsyncInt(18) }, - 3512, + 3064, ) .await; diff --git a/tests/ui/async-await/async-drop.rs b/tests/ui/async-await/async-drop.rs index d1222cd740c3..97b5a602bc37 100644 --- a/tests/ui/async-await/async-drop.rs +++ b/tests/ui/async-await/async-drop.rs @@ -48,7 +48,7 @@ fn main() { let i = 13; let fut = pin!(async { - test_async_drop(Int(0), 16).await; + test_async_drop(Int(0), 0).await; test_async_drop(AsyncInt(0), 104).await; test_async_drop([AsyncInt(1), AsyncInt(2)], 152).await; test_async_drop((AsyncInt(3), AsyncInt(4)), 488).await; @@ -73,13 +73,13 @@ fn main() { ) .await; - test_async_drop(AsyncEnum::A(AsyncInt(12)), 792).await; - test_async_drop(AsyncEnum::B(SyncInt(13)), 792).await; + test_async_drop(AsyncEnum::A(AsyncInt(12)), 680).await; + test_async_drop(AsyncEnum::B(SyncInt(13)), 680).await; - test_async_drop(SyncInt(14), 72).await; + test_async_drop(SyncInt(14), 16).await; test_async_drop( SyncThenAsync { i: 15, a: AsyncInt(16), b: SyncInt(17), c: AsyncInt(18) }, - 3512, + 3064, ) .await; From 4903cf4df6f6647177f1645ab17ebab933564949 Mon Sep 17 00:00:00 2001 From: Daria Sukhonina Date: Mon, 27 May 2024 15:53:25 +0300 Subject: [PATCH 0710/1716] Revert miri async drop test but add warnings to each async drop test --- src/tools/miri/tests/pass/async-drop.rs | 84 ++++++++++--------------- tests/ui/async-await/async-drop.rs | 4 ++ 2 files changed, 38 insertions(+), 50 deletions(-) diff --git a/src/tools/miri/tests/pass/async-drop.rs b/src/tools/miri/tests/pass/async-drop.rs index c289c9410b25..92ecbdd29fdb 100644 --- a/src/tools/miri/tests/pass/async-drop.rs +++ b/src/tools/miri/tests/pass/async-drop.rs @@ -1,6 +1,11 @@ //@revisions: stack tree //@compile-flags: -Zmiri-strict-provenance //@[tree]compile-flags: -Zmiri-tree-borrows + +// WARNING: If you would ever want to modify this test, +// please consider modifying rustc's async drop test at +// `tests/ui/async-await/async-drop.rs`. + #![feature(async_drop, impl_trait_in_assoc_type, noop_waker, async_closure)] #![allow(incomplete_features, dead_code)] @@ -11,21 +16,9 @@ use core::mem::{self, ManuallyDrop}; use core::pin::{pin, Pin}; use core::task::{Context, Poll, Waker}; -async fn test_async_drop(x: T, _size: usize) { +async fn test_async_drop(x: T) { let mut x = mem::MaybeUninit::new(x); let dtor = pin!(unsafe { async_drop_in_place(x.as_mut_ptr()) }); - - // FIXME(zetanumbers): This check fully depends on the layout of - // the coroutine state, since async destructor combinators are just - // async functions. - #[cfg(target_pointer_width = "64")] - assert_eq!( - mem::size_of_val(&*dtor), - _size, - "sizes did not match for async destructor of type {}", - core::any::type_name::(), - ); - test_idempotency(dtor).await; } @@ -46,58 +39,49 @@ fn main() { let i = 13; let fut = pin!(async { - test_async_drop(Int(0), 0).await; - test_async_drop(AsyncInt(0), 104).await; - test_async_drop([AsyncInt(1), AsyncInt(2)], 152).await; - test_async_drop((AsyncInt(3), AsyncInt(4)), 488).await; - test_async_drop(5, 0).await; + test_async_drop(Int(0)).await; + test_async_drop(AsyncInt(0)).await; + test_async_drop([AsyncInt(1), AsyncInt(2)]).await; + test_async_drop((AsyncInt(3), AsyncInt(4))).await; + test_async_drop(5).await; let j = 42; - test_async_drop(&i, 0).await; - test_async_drop(&j, 0).await; - test_async_drop(AsyncStruct { b: AsyncInt(8), a: AsyncInt(7), i: 6 }, 1688).await; - test_async_drop(ManuallyDrop::new(AsyncInt(9)), 0).await; + test_async_drop(&i).await; + test_async_drop(&j).await; + test_async_drop(AsyncStruct { b: AsyncInt(8), a: AsyncInt(7), i: 6 }).await; + test_async_drop(ManuallyDrop::new(AsyncInt(9))).await; let foo = AsyncInt(10); - test_async_drop(AsyncReference { foo: &foo }, 104).await; + test_async_drop(AsyncReference { foo: &foo }).await; let foo = AsyncInt(11); - test_async_drop( - || { - black_box(foo); - let foo = AsyncInt(10); - foo - }, - 120, - ) + test_async_drop(|| { + black_box(foo); + let foo = AsyncInt(10); + foo + }) .await; - test_async_drop(AsyncEnum::A(AsyncInt(12)), 680).await; - test_async_drop(AsyncEnum::B(SyncInt(13)), 680).await; + test_async_drop(AsyncEnum::A(AsyncInt(12))).await; + test_async_drop(AsyncEnum::B(SyncInt(13))).await; - test_async_drop(SyncInt(14), 16).await; - test_async_drop( - SyncThenAsync { i: 15, a: AsyncInt(16), b: SyncInt(17), c: AsyncInt(18) }, - 3064, - ) - .await; + test_async_drop(SyncInt(14)).await; + test_async_drop(SyncThenAsync { i: 15, a: AsyncInt(16), b: SyncInt(17), c: AsyncInt(18) }) + .await; let async_drop_fut = pin!(core::future::async_drop(AsyncInt(19))); test_idempotency(async_drop_fut).await; let foo = AsyncInt(20); - test_async_drop( - async || { - black_box(foo); - let foo = AsyncInt(19); - // Await point there, but this is async closure so it's fine - black_box(core::future::ready(())).await; - foo - }, - 120, - ) + test_async_drop(async || { + black_box(foo); + let foo = AsyncInt(19); + // Await point there, but this is async closure so it's fine + black_box(core::future::ready(())).await; + foo + }) .await; - test_async_drop(AsyncUnion { signed: 21 }, 32).await; + test_async_drop(AsyncUnion { signed: 21 }).await; }); let res = fut.poll(&mut cx); assert_eq!(res, Poll::Ready(())); diff --git a/tests/ui/async-await/async-drop.rs b/tests/ui/async-await/async-drop.rs index 97b5a602bc37..12f120a0b121 100644 --- a/tests/ui/async-await/async-drop.rs +++ b/tests/ui/async-await/async-drop.rs @@ -1,6 +1,10 @@ //@ run-pass //@ check-run-results +// WARNING: If you would ever want to modify this test, +// please consider modifying miri's async drop test at +// `src/tools/miri/tests/pass/async-drop.rs`. + #![feature(async_drop, impl_trait_in_assoc_type, noop_waker, async_closure)] #![allow(incomplete_features, dead_code)] From ceb45d55190eb00d30b8762bc4c34cf71c53b637 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Wed, 29 May 2024 09:08:22 +0000 Subject: [PATCH 0711/1716] Don't require `visit_body` to take a lifetime that must outlive the function call --- compiler/rustc_hir/src/intravisit.rs | 4 ++-- compiler/rustc_hir_analysis/src/check/region.rs | 2 +- .../rustc_infer/src/infer/error_reporting/need_type_info.rs | 2 +- compiler/rustc_infer/src/infer/error_reporting/suggest.rs | 4 ---- compiler/rustc_lint/src/late.rs | 2 +- compiler/rustc_lint/src/non_local_def.rs | 4 ++-- compiler/rustc_lint/src/passes.rs | 4 ++-- compiler/rustc_passes/src/check_const.rs | 2 +- compiler/rustc_passes/src/hir_stats.rs | 2 +- .../src/traits/error_reporting/suggestions.rs | 2 +- src/librustdoc/visit_ast.rs | 2 +- .../clippy/clippy_lints/src/default_numeric_fallback.rs | 2 +- src/tools/clippy/clippy_lints/src/dereference.rs | 2 +- src/tools/clippy/clippy_lints/src/implicit_hasher.rs | 2 +- .../clippy/clippy_lints/src/macro_metavars_in_unsafe.rs | 2 +- .../clippy_lints/src/needless_borrows_for_generic_args.rs | 2 +- src/tools/clippy/clippy_lints/src/only_used_in_recursion.rs | 4 ++-- src/tools/clippy/clippy_lints/src/operators/mod.rs | 4 ++-- src/tools/clippy/clippy_lints/src/ptr.rs | 6 +++--- src/tools/clippy/clippy_lints/src/question_mark.rs | 4 ++-- 20 files changed, 27 insertions(+), 31 deletions(-) diff --git a/compiler/rustc_hir/src/intravisit.rs b/compiler/rustc_hir/src/intravisit.rs index aba0532f0d1e..63ddb22c5abc 100644 --- a/compiler/rustc_hir/src/intravisit.rs +++ b/compiler/rustc_hir/src/intravisit.rs @@ -299,7 +299,7 @@ pub trait Visitor<'v>: Sized { walk_item(self, i) } - fn visit_body(&mut self, b: &'v Body<'v>) -> Self::Result { + fn visit_body(&mut self, b: &Body<'v>) -> Self::Result { walk_body(self, b) } @@ -578,7 +578,7 @@ pub fn walk_item<'v, V: Visitor<'v>>(visitor: &mut V, item: &'v Item<'v>) -> V:: V::Result::output() } -pub fn walk_body<'v, V: Visitor<'v>>(visitor: &mut V, body: &'v Body<'v>) -> V::Result { +pub fn walk_body<'v, V: Visitor<'v>>(visitor: &mut V, body: &Body<'v>) -> V::Result { walk_list!(visitor, visit_param, body.params); visitor.visit_expr(body.value) } diff --git a/compiler/rustc_hir_analysis/src/check/region.rs b/compiler/rustc_hir_analysis/src/check/region.rs index 8b0adebfaf46..dcddb2662088 100644 --- a/compiler/rustc_hir_analysis/src/check/region.rs +++ b/compiler/rustc_hir_analysis/src/check/region.rs @@ -818,7 +818,7 @@ impl<'tcx> Visitor<'tcx> for RegionResolutionVisitor<'tcx> { resolve_block(self, b); } - fn visit_body(&mut self, body: &'tcx hir::Body<'tcx>) { + fn visit_body(&mut self, body: &hir::Body<'tcx>) { let body_id = body.id(); let owner_id = self.tcx.hir().body_owner_def_id(body_id); diff --git a/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs b/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs index 98fd7906e700..63d41a1faf3f 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs @@ -1163,7 +1163,7 @@ impl<'a, 'tcx> Visitor<'tcx> for FindInferSourceVisitor<'a, 'tcx> { /// For closures, we first visit the parameters and then the content, /// as we prefer those. - fn visit_body(&mut self, body: &'tcx Body<'tcx>) { + fn visit_body(&mut self, body: &Body<'tcx>) { for param in body.params { debug!( "param: span {:?}, ty_span {:?}, pat.span {:?}", diff --git a/compiler/rustc_infer/src/infer/error_reporting/suggest.rs b/compiler/rustc_infer/src/infer/error_reporting/suggest.rs index 75479decebcd..c333f024ad12 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/suggest.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/suggest.rs @@ -578,10 +578,6 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { walk_stmt(self, ex) } } - - fn visit_body(&mut self, body: &'v hir::Body<'v>) -> Self::Result { - hir::intravisit::walk_body(self, body) - } } self.tcx.hir().maybe_body_owned_by(cause.body_id).and_then(|body_id| { diff --git a/compiler/rustc_lint/src/late.rs b/compiler/rustc_lint/src/late.rs index b638ab10e11e..aa328fb87b27 100644 --- a/compiler/rustc_lint/src/late.rs +++ b/compiler/rustc_lint/src/late.rs @@ -125,7 +125,7 @@ impl<'tcx, T: LateLintPass<'tcx>> hir_visit::Visitor<'tcx> for LateContextAndPas }); } - fn visit_body(&mut self, body: &'tcx hir::Body<'tcx>) { + fn visit_body(&mut self, body: &hir::Body<'tcx>) { lint_callback!(self, check_body, body); hir_visit::walk_body(self, body); lint_callback!(self, check_body_post, body); diff --git a/compiler/rustc_lint/src/non_local_def.rs b/compiler/rustc_lint/src/non_local_def.rs index 42b03f47a5bc..5135996186a7 100644 --- a/compiler/rustc_lint/src/non_local_def.rs +++ b/compiler/rustc_lint/src/non_local_def.rs @@ -68,11 +68,11 @@ impl_lint_pass!(NonLocalDefinitions => [NON_LOCAL_DEFINITIONS]); // instead check_mod is called after every body has been handled. impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions { - fn check_body(&mut self, _cx: &LateContext<'tcx>, _body: &'tcx Body<'tcx>) { + fn check_body(&mut self, _cx: &LateContext<'tcx>, _body: &Body<'tcx>) { self.body_depth += 1; } - fn check_body_post(&mut self, _cx: &LateContext<'tcx>, _body: &'tcx Body<'tcx>) { + fn check_body_post(&mut self, _cx: &LateContext<'tcx>, _body: &Body<'tcx>) { self.body_depth -= 1; } diff --git a/compiler/rustc_lint/src/passes.rs b/compiler/rustc_lint/src/passes.rs index d8ba84eb7a1a..c4f5f152de52 100644 --- a/compiler/rustc_lint/src/passes.rs +++ b/compiler/rustc_lint/src/passes.rs @@ -7,8 +7,8 @@ use rustc_session::lint::LintPass; macro_rules! late_lint_methods { ($macro:path, $args:tt) => ( $macro!($args, [ - fn check_body(a: &'tcx rustc_hir::Body<'tcx>); - fn check_body_post(a: &'tcx rustc_hir::Body<'tcx>); + fn check_body(a: &rustc_hir::Body<'tcx>); + fn check_body_post(a: &rustc_hir::Body<'tcx>); fn check_crate(); fn check_crate_post(); fn check_mod(a: &'tcx rustc_hir::Mod<'tcx>, b: rustc_hir::HirId); diff --git a/compiler/rustc_passes/src/check_const.rs b/compiler/rustc_passes/src/check_const.rs index fa2c8f69c71d..71f3e8b7b5d9 100644 --- a/compiler/rustc_passes/src/check_const.rs +++ b/compiler/rustc_passes/src/check_const.rs @@ -196,7 +196,7 @@ impl<'tcx> Visitor<'tcx> for CheckConstVisitor<'tcx> { self.recurse_into(kind, None, |this| intravisit::walk_anon_const(this, anon)); } - fn visit_body(&mut self, body: &'tcx hir::Body<'tcx>) { + fn visit_body(&mut self, body: &hir::Body<'tcx>) { let owner = self.tcx.hir().body_owner_def_id(body.id()); let kind = self.tcx.hir().body_const_context(owner); self.recurse_into(kind, Some(owner), |this| intravisit::walk_body(this, body)); diff --git a/compiler/rustc_passes/src/hir_stats.rs b/compiler/rustc_passes/src/hir_stats.rs index a980d5dcaba4..6bb9cff53193 100644 --- a/compiler/rustc_passes/src/hir_stats.rs +++ b/compiler/rustc_passes/src/hir_stats.rs @@ -246,7 +246,7 @@ impl<'v> hir_visit::Visitor<'v> for StatCollector<'v> { hir_visit::walk_item(self, i) } - fn visit_body(&mut self, b: &'v hir::Body<'v>) { + fn visit_body(&mut self, b: &hir::Body<'v>) { self.record("Body", Id::None, b); hir_visit::walk_body(self, b); } diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs index 6c56ebb62aed..18d91a5b9a89 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs @@ -4748,7 +4748,7 @@ impl<'v> Visitor<'v> for ReturnsVisitor<'v> { } } - fn visit_body(&mut self, body: &'v hir::Body<'v>) { + fn visit_body(&mut self, body: &hir::Body<'v>) { assert!(!self.in_block_tail); self.in_block_tail = true; hir::intravisit::walk_body(self, body); diff --git a/src/librustdoc/visit_ast.rs b/src/librustdoc/visit_ast.rs index 907ea6d309c9..886df82e5b69 100644 --- a/src/librustdoc/visit_ast.rs +++ b/src/librustdoc/visit_ast.rs @@ -614,7 +614,7 @@ impl<'a, 'tcx> Visitor<'tcx> for RustdocVisitor<'a, 'tcx> { // Unneeded. } - fn visit_body(&mut self, b: &'tcx hir::Body<'tcx>) { + fn visit_body(&mut self, b: &hir::Body<'tcx>) { let prev = mem::replace(&mut self.inside_body, true); walk_body(self, b); self.inside_body = prev; diff --git a/src/tools/clippy/clippy_lints/src/default_numeric_fallback.rs b/src/tools/clippy/clippy_lints/src/default_numeric_fallback.rs index 1d6c4ce72e18..4d8c066fea54 100644 --- a/src/tools/clippy/clippy_lints/src/default_numeric_fallback.rs +++ b/src/tools/clippy/clippy_lints/src/default_numeric_fallback.rs @@ -49,7 +49,7 @@ declare_clippy_lint! { declare_lint_pass!(DefaultNumericFallback => [DEFAULT_NUMERIC_FALLBACK]); impl<'tcx> LateLintPass<'tcx> for DefaultNumericFallback { - fn check_body(&mut self, cx: &LateContext<'tcx>, body: &'tcx Body<'_>) { + fn check_body(&mut self, cx: &LateContext<'tcx>, body: &Body<'tcx>) { let hir = cx.tcx.hir(); let is_parent_const = matches!( hir.body_const_context(hir.body_owner_def_id(body.id())), diff --git a/src/tools/clippy/clippy_lints/src/dereference.rs b/src/tools/clippy/clippy_lints/src/dereference.rs index c6aef9ac2d60..297082354ff1 100644 --- a/src/tools/clippy/clippy_lints/src/dereference.rs +++ b/src/tools/clippy/clippy_lints/src/dereference.rs @@ -641,7 +641,7 @@ impl<'tcx> LateLintPass<'tcx> for Dereferencing<'tcx> { } } - fn check_body_post(&mut self, cx: &LateContext<'tcx>, body: &'tcx Body<'_>) { + fn check_body_post(&mut self, cx: &LateContext<'tcx>, body: &Body<'_>) { if Some(body.id()) == self.current_body { for pat in self.ref_locals.drain(..).filter_map(|(_, x)| x) { let replacements = pat.replacements; diff --git a/src/tools/clippy/clippy_lints/src/implicit_hasher.rs b/src/tools/clippy/clippy_lints/src/implicit_hasher.rs index a46aae36d5c5..ca830af3b2f3 100644 --- a/src/tools/clippy/clippy_lints/src/implicit_hasher.rs +++ b/src/tools/clippy/clippy_lints/src/implicit_hasher.rs @@ -328,7 +328,7 @@ impl<'a, 'b, 'tcx> ImplicitHasherConstructorVisitor<'a, 'b, 'tcx> { impl<'a, 'b, 'tcx> Visitor<'tcx> for ImplicitHasherConstructorVisitor<'a, 'b, 'tcx> { type NestedFilter = nested_filter::OnlyBodies; - fn visit_body(&mut self, body: &'tcx Body<'_>) { + fn visit_body(&mut self, body: &Body<'tcx>) { let old_maybe_typeck_results = self.maybe_typeck_results.replace(self.cx.tcx.typeck_body(body.id())); walk_body(self, body); self.maybe_typeck_results = old_maybe_typeck_results; diff --git a/src/tools/clippy/clippy_lints/src/macro_metavars_in_unsafe.rs b/src/tools/clippy/clippy_lints/src/macro_metavars_in_unsafe.rs index aea3d26e1878..d1ae243877d7 100644 --- a/src/tools/clippy/clippy_lints/src/macro_metavars_in_unsafe.rs +++ b/src/tools/clippy/clippy_lints/src/macro_metavars_in_unsafe.rs @@ -186,7 +186,7 @@ impl<'a, 'tcx> Visitor<'tcx> for BodyVisitor<'a, 'tcx> { } impl<'tcx> LateLintPass<'tcx> for ExprMetavarsInUnsafe { - fn check_body(&mut self, cx: &LateContext<'tcx>, body: &'tcx rustc_hir::Body<'tcx>) { + fn check_body(&mut self, cx: &LateContext<'tcx>, body: &rustc_hir::Body<'tcx>) { if is_lint_allowed(cx, MACRO_METAVARS_IN_UNSAFE, body.value.hir_id) { return; } diff --git a/src/tools/clippy/clippy_lints/src/needless_borrows_for_generic_args.rs b/src/tools/clippy/clippy_lints/src/needless_borrows_for_generic_args.rs index daf166bad90d..5b5e1c234245 100644 --- a/src/tools/clippy/clippy_lints/src/needless_borrows_for_generic_args.rs +++ b/src/tools/clippy/clippy_lints/src/needless_borrows_for_generic_args.rs @@ -129,7 +129,7 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessBorrowsForGenericArgs<'tcx> { } } - fn check_body_post(&mut self, cx: &LateContext<'tcx>, body: &'tcx Body<'_>) { + fn check_body_post(&mut self, cx: &LateContext<'tcx>, body: &Body<'_>) { if self.possible_borrowers.last().map_or(false, |&(local_def_id, _)| { local_def_id == cx.tcx.hir().body_owner_def_id(body.id()) }) { diff --git a/src/tools/clippy/clippy_lints/src/only_used_in_recursion.rs b/src/tools/clippy/clippy_lints/src/only_used_in_recursion.rs index b3ff5ecae862..8b8aabe7accc 100644 --- a/src/tools/clippy/clippy_lints/src/only_used_in_recursion.rs +++ b/src/tools/clippy/clippy_lints/src/only_used_in_recursion.rs @@ -221,7 +221,7 @@ pub struct OnlyUsedInRecursion { } impl<'tcx> LateLintPass<'tcx> for OnlyUsedInRecursion { - fn check_body(&mut self, cx: &LateContext<'tcx>, body: &'tcx Body<'tcx>) { + fn check_body(&mut self, cx: &LateContext<'tcx>, body: &Body<'tcx>) { if body.value.span.from_expansion() { return; } @@ -350,7 +350,7 @@ impl<'tcx> LateLintPass<'tcx> for OnlyUsedInRecursion { } } - fn check_body_post(&mut self, cx: &LateContext<'tcx>, body: &'tcx Body<'tcx>) { + fn check_body_post(&mut self, cx: &LateContext<'tcx>, body: &Body<'tcx>) { if self.entered_body == Some(body.value.hir_id) { self.entered_body = None; self.params.flag_for_linting(); diff --git a/src/tools/clippy/clippy_lints/src/operators/mod.rs b/src/tools/clippy/clippy_lints/src/operators/mod.rs index e002429e3a47..9e77d0e09c48 100644 --- a/src/tools/clippy/clippy_lints/src/operators/mod.rs +++ b/src/tools/clippy/clippy_lints/src/operators/mod.rs @@ -868,11 +868,11 @@ impl<'tcx> LateLintPass<'tcx> for Operators { self.arithmetic_context.expr_post(e.hir_id); } - fn check_body(&mut self, cx: &LateContext<'tcx>, b: &'tcx Body<'_>) { + fn check_body(&mut self, cx: &LateContext<'tcx>, b: &Body<'_>) { self.arithmetic_context.enter_body(cx, b); } - fn check_body_post(&mut self, cx: &LateContext<'tcx>, b: &'tcx Body<'_>) { + fn check_body_post(&mut self, cx: &LateContext<'tcx>, b: &Body<'_>) { self.arithmetic_context.body_post(cx, b); } } diff --git a/src/tools/clippy/clippy_lints/src/ptr.rs b/src/tools/clippy/clippy_lints/src/ptr.rs index 38580dc58226..02c05e0aaf9c 100644 --- a/src/tools/clippy/clippy_lints/src/ptr.rs +++ b/src/tools/clippy/clippy_lints/src/ptr.rs @@ -188,7 +188,7 @@ impl<'tcx> LateLintPass<'tcx> for Ptr { } } - fn check_body(&mut self, cx: &LateContext<'tcx>, body: &'tcx Body<'_>) { + fn check_body(&mut self, cx: &LateContext<'tcx>, body: &Body<'tcx>) { let hir = cx.tcx.hir(); let mut parents = hir.parent_iter(body.value.hir_id); let (item_id, sig, is_trait_item) = match parents.next() { @@ -525,7 +525,7 @@ fn check_fn_args<'cx, 'tcx: 'cx>( }) } -fn check_mut_from_ref<'tcx>(cx: &LateContext<'tcx>, sig: &FnSig<'_>, body: Option<&'tcx Body<'_>>) { +fn check_mut_from_ref<'tcx>(cx: &LateContext<'tcx>, sig: &FnSig<'_>, body: Option<&Body<'tcx>>) { if let FnRetTy::Return(ty) = sig.decl.output && let Some((out, Mutability::Mut, _)) = get_ref_lm(ty) { @@ -559,7 +559,7 @@ fn check_mut_from_ref<'tcx>(cx: &LateContext<'tcx>, sig: &FnSig<'_>, body: Optio } #[expect(clippy::too_many_lines)] -fn check_ptr_arg_usage<'tcx>(cx: &LateContext<'tcx>, body: &'tcx Body<'_>, args: &[PtrArg<'tcx>]) -> Vec { +fn check_ptr_arg_usage<'tcx>(cx: &LateContext<'tcx>, body: &Body<'tcx>, args: &[PtrArg<'tcx>]) -> Vec { struct V<'cx, 'tcx> { cx: &'cx LateContext<'tcx>, /// Map from a local id to which argument it came from (index into `Self::args` and diff --git a/src/tools/clippy/clippy_lints/src/question_mark.rs b/src/tools/clippy/clippy_lints/src/question_mark.rs index 1f1ce147ca24..7cf98ad9e09a 100644 --- a/src/tools/clippy/clippy_lints/src/question_mark.rs +++ b/src/tools/clippy/clippy_lints/src/question_mark.rs @@ -370,11 +370,11 @@ impl<'tcx> LateLintPass<'tcx> for QuestionMark { } } - fn check_body(&mut self, _: &LateContext<'tcx>, _: &'tcx Body<'tcx>) { + fn check_body(&mut self, _: &LateContext<'tcx>, _: &Body<'tcx>) { self.try_block_depth_stack.push(0); } - fn check_body_post(&mut self, _: &LateContext<'tcx>, _: &'tcx Body<'tcx>) { + fn check_body_post(&mut self, _: &LateContext<'tcx>, _: &Body<'tcx>) { self.try_block_depth_stack.pop(); } From 7f66e567b2de4307ae49c01d832c93901e647a07 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Wed, 29 May 2024 09:08:22 +0000 Subject: [PATCH 0712/1716] Don't require `visit_body` to take a lifetime that must outlive the function call --- clippy_lints/src/default_numeric_fallback.rs | 2 +- clippy_lints/src/dereference.rs | 2 +- clippy_lints/src/implicit_hasher.rs | 2 +- clippy_lints/src/macro_metavars_in_unsafe.rs | 2 +- clippy_lints/src/needless_borrows_for_generic_args.rs | 2 +- clippy_lints/src/only_used_in_recursion.rs | 4 ++-- clippy_lints/src/operators/mod.rs | 4 ++-- clippy_lints/src/ptr.rs | 6 +++--- clippy_lints/src/question_mark.rs | 4 ++-- 9 files changed, 14 insertions(+), 14 deletions(-) diff --git a/clippy_lints/src/default_numeric_fallback.rs b/clippy_lints/src/default_numeric_fallback.rs index 1d6c4ce72e18..4d8c066fea54 100644 --- a/clippy_lints/src/default_numeric_fallback.rs +++ b/clippy_lints/src/default_numeric_fallback.rs @@ -49,7 +49,7 @@ declare_clippy_lint! { declare_lint_pass!(DefaultNumericFallback => [DEFAULT_NUMERIC_FALLBACK]); impl<'tcx> LateLintPass<'tcx> for DefaultNumericFallback { - fn check_body(&mut self, cx: &LateContext<'tcx>, body: &'tcx Body<'_>) { + fn check_body(&mut self, cx: &LateContext<'tcx>, body: &Body<'tcx>) { let hir = cx.tcx.hir(); let is_parent_const = matches!( hir.body_const_context(hir.body_owner_def_id(body.id())), diff --git a/clippy_lints/src/dereference.rs b/clippy_lints/src/dereference.rs index c6aef9ac2d60..297082354ff1 100644 --- a/clippy_lints/src/dereference.rs +++ b/clippy_lints/src/dereference.rs @@ -641,7 +641,7 @@ impl<'tcx> LateLintPass<'tcx> for Dereferencing<'tcx> { } } - fn check_body_post(&mut self, cx: &LateContext<'tcx>, body: &'tcx Body<'_>) { + fn check_body_post(&mut self, cx: &LateContext<'tcx>, body: &Body<'_>) { if Some(body.id()) == self.current_body { for pat in self.ref_locals.drain(..).filter_map(|(_, x)| x) { let replacements = pat.replacements; diff --git a/clippy_lints/src/implicit_hasher.rs b/clippy_lints/src/implicit_hasher.rs index a46aae36d5c5..ca830af3b2f3 100644 --- a/clippy_lints/src/implicit_hasher.rs +++ b/clippy_lints/src/implicit_hasher.rs @@ -328,7 +328,7 @@ impl<'a, 'b, 'tcx> ImplicitHasherConstructorVisitor<'a, 'b, 'tcx> { impl<'a, 'b, 'tcx> Visitor<'tcx> for ImplicitHasherConstructorVisitor<'a, 'b, 'tcx> { type NestedFilter = nested_filter::OnlyBodies; - fn visit_body(&mut self, body: &'tcx Body<'_>) { + fn visit_body(&mut self, body: &Body<'tcx>) { let old_maybe_typeck_results = self.maybe_typeck_results.replace(self.cx.tcx.typeck_body(body.id())); walk_body(self, body); self.maybe_typeck_results = old_maybe_typeck_results; diff --git a/clippy_lints/src/macro_metavars_in_unsafe.rs b/clippy_lints/src/macro_metavars_in_unsafe.rs index aea3d26e1878..d1ae243877d7 100644 --- a/clippy_lints/src/macro_metavars_in_unsafe.rs +++ b/clippy_lints/src/macro_metavars_in_unsafe.rs @@ -186,7 +186,7 @@ impl<'a, 'tcx> Visitor<'tcx> for BodyVisitor<'a, 'tcx> { } impl<'tcx> LateLintPass<'tcx> for ExprMetavarsInUnsafe { - fn check_body(&mut self, cx: &LateContext<'tcx>, body: &'tcx rustc_hir::Body<'tcx>) { + fn check_body(&mut self, cx: &LateContext<'tcx>, body: &rustc_hir::Body<'tcx>) { if is_lint_allowed(cx, MACRO_METAVARS_IN_UNSAFE, body.value.hir_id) { return; } diff --git a/clippy_lints/src/needless_borrows_for_generic_args.rs b/clippy_lints/src/needless_borrows_for_generic_args.rs index daf166bad90d..5b5e1c234245 100644 --- a/clippy_lints/src/needless_borrows_for_generic_args.rs +++ b/clippy_lints/src/needless_borrows_for_generic_args.rs @@ -129,7 +129,7 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessBorrowsForGenericArgs<'tcx> { } } - fn check_body_post(&mut self, cx: &LateContext<'tcx>, body: &'tcx Body<'_>) { + fn check_body_post(&mut self, cx: &LateContext<'tcx>, body: &Body<'_>) { if self.possible_borrowers.last().map_or(false, |&(local_def_id, _)| { local_def_id == cx.tcx.hir().body_owner_def_id(body.id()) }) { diff --git a/clippy_lints/src/only_used_in_recursion.rs b/clippy_lints/src/only_used_in_recursion.rs index b3ff5ecae862..8b8aabe7accc 100644 --- a/clippy_lints/src/only_used_in_recursion.rs +++ b/clippy_lints/src/only_used_in_recursion.rs @@ -221,7 +221,7 @@ pub struct OnlyUsedInRecursion { } impl<'tcx> LateLintPass<'tcx> for OnlyUsedInRecursion { - fn check_body(&mut self, cx: &LateContext<'tcx>, body: &'tcx Body<'tcx>) { + fn check_body(&mut self, cx: &LateContext<'tcx>, body: &Body<'tcx>) { if body.value.span.from_expansion() { return; } @@ -350,7 +350,7 @@ impl<'tcx> LateLintPass<'tcx> for OnlyUsedInRecursion { } } - fn check_body_post(&mut self, cx: &LateContext<'tcx>, body: &'tcx Body<'tcx>) { + fn check_body_post(&mut self, cx: &LateContext<'tcx>, body: &Body<'tcx>) { if self.entered_body == Some(body.value.hir_id) { self.entered_body = None; self.params.flag_for_linting(); diff --git a/clippy_lints/src/operators/mod.rs b/clippy_lints/src/operators/mod.rs index e002429e3a47..9e77d0e09c48 100644 --- a/clippy_lints/src/operators/mod.rs +++ b/clippy_lints/src/operators/mod.rs @@ -868,11 +868,11 @@ impl<'tcx> LateLintPass<'tcx> for Operators { self.arithmetic_context.expr_post(e.hir_id); } - fn check_body(&mut self, cx: &LateContext<'tcx>, b: &'tcx Body<'_>) { + fn check_body(&mut self, cx: &LateContext<'tcx>, b: &Body<'_>) { self.arithmetic_context.enter_body(cx, b); } - fn check_body_post(&mut self, cx: &LateContext<'tcx>, b: &'tcx Body<'_>) { + fn check_body_post(&mut self, cx: &LateContext<'tcx>, b: &Body<'_>) { self.arithmetic_context.body_post(cx, b); } } diff --git a/clippy_lints/src/ptr.rs b/clippy_lints/src/ptr.rs index 38580dc58226..02c05e0aaf9c 100644 --- a/clippy_lints/src/ptr.rs +++ b/clippy_lints/src/ptr.rs @@ -188,7 +188,7 @@ impl<'tcx> LateLintPass<'tcx> for Ptr { } } - fn check_body(&mut self, cx: &LateContext<'tcx>, body: &'tcx Body<'_>) { + fn check_body(&mut self, cx: &LateContext<'tcx>, body: &Body<'tcx>) { let hir = cx.tcx.hir(); let mut parents = hir.parent_iter(body.value.hir_id); let (item_id, sig, is_trait_item) = match parents.next() { @@ -525,7 +525,7 @@ fn check_fn_args<'cx, 'tcx: 'cx>( }) } -fn check_mut_from_ref<'tcx>(cx: &LateContext<'tcx>, sig: &FnSig<'_>, body: Option<&'tcx Body<'_>>) { +fn check_mut_from_ref<'tcx>(cx: &LateContext<'tcx>, sig: &FnSig<'_>, body: Option<&Body<'tcx>>) { if let FnRetTy::Return(ty) = sig.decl.output && let Some((out, Mutability::Mut, _)) = get_ref_lm(ty) { @@ -559,7 +559,7 @@ fn check_mut_from_ref<'tcx>(cx: &LateContext<'tcx>, sig: &FnSig<'_>, body: Optio } #[expect(clippy::too_many_lines)] -fn check_ptr_arg_usage<'tcx>(cx: &LateContext<'tcx>, body: &'tcx Body<'_>, args: &[PtrArg<'tcx>]) -> Vec { +fn check_ptr_arg_usage<'tcx>(cx: &LateContext<'tcx>, body: &Body<'tcx>, args: &[PtrArg<'tcx>]) -> Vec { struct V<'cx, 'tcx> { cx: &'cx LateContext<'tcx>, /// Map from a local id to which argument it came from (index into `Self::args` and diff --git a/clippy_lints/src/question_mark.rs b/clippy_lints/src/question_mark.rs index 1f1ce147ca24..7cf98ad9e09a 100644 --- a/clippy_lints/src/question_mark.rs +++ b/clippy_lints/src/question_mark.rs @@ -370,11 +370,11 @@ impl<'tcx> LateLintPass<'tcx> for QuestionMark { } } - fn check_body(&mut self, _: &LateContext<'tcx>, _: &'tcx Body<'tcx>) { + fn check_body(&mut self, _: &LateContext<'tcx>, _: &Body<'tcx>) { self.try_block_depth_stack.push(0); } - fn check_body_post(&mut self, _: &LateContext<'tcx>, _: &'tcx Body<'tcx>) { + fn check_body_post(&mut self, _: &LateContext<'tcx>, _: &Body<'tcx>) { self.try_block_depth_stack.pop(); } From a34c26e7ecfbfe3f4fd5fbd4868a0cba5676e6a5 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Wed, 29 May 2024 10:03:40 +0000 Subject: [PATCH 0713/1716] Make `body_owned_by` return the body directly. Almost all callers want this anyway, and now we can use it to also return fed bodies --- .../src/diagnostics/conflict_errors.rs | 11 +++++----- .../src/diagnostics/mutability_errors.rs | 19 +++++++---------- .../src/diagnostics/region_errors.rs | 4 ++-- compiler/rustc_driver_impl/src/pretty.rs | 2 +- .../rustc_hir_analysis/src/check/region.rs | 5 ++--- compiler/rustc_hir_typeck/src/_match.rs | 3 +-- compiler/rustc_hir_typeck/src/demand.rs | 3 +-- compiler/rustc_hir_typeck/src/expr.rs | 3 +-- compiler/rustc_hir_typeck/src/fallback.rs | 3 +-- .../src/fn_ctxt/suggestions.rs | 3 +-- .../rustc_hir_typeck/src/method/suggest.rs | 12 ++++------- .../infer/error_reporting/need_type_info.rs | 4 ++-- .../error_reporting/nice_region_error/util.rs | 5 ++--- .../src/infer/error_reporting/suggest.rs | 5 ++--- compiler/rustc_metadata/src/rmeta/encoder.rs | 14 ++++++------- compiler/rustc_middle/src/hir/map/mod.rs | 21 ++++++++++++++++--- compiler/rustc_middle/src/hir/mod.rs | 11 ++++++---- compiler/rustc_mir_build/src/build/mod.rs | 6 +++--- compiler/rustc_mir_build/src/thir/cx/mod.rs | 21 +++---------------- compiler/rustc_mir_transform/src/lib.rs | 3 ++- compiler/rustc_passes/src/liveness.rs | 15 +++++++------ compiler/rustc_passes/src/upvars.rs | 6 +++--- compiler/rustc_privacy/src/lib.rs | 2 +- .../src/traits/error_reporting/suggestions.rs | 21 +++++++------------ .../error_reporting/type_err_ctxt_ext.rs | 5 ++--- compiler/rustc_ty_utils/src/opaque_types.rs | 2 +- src/librustdoc/clean/types.rs | 6 ++++-- src/librustdoc/clean/utils.rs | 2 +- src/librustdoc/core.rs | 4 ++-- src/librustdoc/html/render/span_map.rs | 4 +--- src/librustdoc/json/conversions.rs | 5 ++++- .../src/methods/option_map_unwrap_or.rs | 4 ++-- .../clippy/clippy_lints/src/single_call_fn.rs | 1 - .../missing_transmute_annotations.rs | 4 ++-- .../src/unconditional_recursion.rs | 2 +- .../clippy/clippy_lints/src/utils/author.rs | 4 ++-- tests/ui/inline-const/uninit_local.rs | 6 ++++++ tests/ui/inline-const/uninit_local.stderr | 16 ++++++++++++++ 38 files changed, 136 insertions(+), 131 deletions(-) create mode 100644 tests/ui/inline-const/uninit_local.rs create mode 100644 tests/ui/inline-const/uninit_local.stderr diff --git a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs index 2f1b2ce9c4c7..7c60d3b4bd87 100644 --- a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs @@ -399,8 +399,8 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { } } let hir = self.infcx.tcx.hir(); - if let Some(body_id) = hir.maybe_body_owned_by(self.mir_def_id()) { - let expr = hir.body(body_id).value; + if let Some(body) = hir.maybe_body_owned_by(self.mir_def_id()) { + let expr = body.value; let place = &self.move_data.move_paths[mpi].place; let span = place.as_local().map(|local| self.body.local_decls[local].source_info.span); let mut finder = ExpressionFinder { @@ -556,11 +556,10 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { // We use the statements were the binding was initialized, and inspect the HIR to look // for the branching codepaths that aren't covered, to point at them. let map = self.infcx.tcx.hir(); - let body_id = map.body_owned_by(self.mir_def_id()); - let body = map.body(body_id); + let body = map.body_owned_by(self.mir_def_id()); let mut visitor = ConditionVisitor { spans: &spans, name: &name, errors: vec![] }; - visitor.visit_body(body); + visitor.visit_body(&body); let mut show_assign_sugg = false; let isnt_initialized = if let InitializationRequiringAction::PartialAssignment @@ -665,7 +664,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { } let mut visitor = LetVisitor { decl_span, sugg_span: None }; - visitor.visit_body(body); + visitor.visit_body(&body); if let Some(span) = visitor.sugg_span { self.suggest_assign_value(&mut err, moved_place, span); } diff --git a/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs b/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs index 79b485085852..78798545c26f 100644 --- a/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs @@ -647,8 +647,7 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { let hir_map = self.infcx.tcx.hir(); let def_id = self.body.source.def_id(); let Some(local_def_id) = def_id.as_local() else { return }; - let Some(body_id) = hir_map.maybe_body_owned_by(local_def_id) else { return }; - let body = self.infcx.tcx.hir().body(body_id); + let Some(body) = hir_map.maybe_body_owned_by(local_def_id) else { return }; let mut v = SuggestIndexOperatorAlternativeVisitor { assign_span: span, @@ -656,7 +655,7 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { ty, suggested: false, }; - v.visit_body(body); + v.visit_body(&body); if !v.suggested { err.help(format!( "to modify a `{ty}`, use `.get_mut()`, `.insert()` or the entry API", @@ -746,9 +745,8 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { // `fn foo(&x: &i32)` -> `fn foo(&(mut x): &i32)` let def_id = self.body.source.def_id(); if let Some(local_def_id) = def_id.as_local() - && let Some(body_id) = self.infcx.tcx.hir().maybe_body_owned_by(local_def_id) - && let body = self.infcx.tcx.hir().body(body_id) - && let Some(hir_id) = (BindingFinder { span: pat_span }).visit_body(body).break_value() + && let Some(body) = self.infcx.tcx.hir().maybe_body_owned_by(local_def_id) + && let Some(hir_id) = (BindingFinder { span: pat_span }).visit_body(&body).break_value() && let node = self.infcx.tcx.hir_node(hir_id) && let hir::Node::LetStmt(hir::LetStmt { pat: hir::Pat { kind: hir::PatKind::Ref(_, _), .. }, @@ -867,8 +865,8 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { } } } - if let Some(body_id) = hir_map.maybe_body_owned_by(self.mir_def_id()) - && let Block(block, _) = hir_map.body(body_id).value.kind + if let Some(body) = hir_map.maybe_body_owned_by(self.mir_def_id()) + && let Block(block, _) = body.value.kind { // `span` corresponds to the expression being iterated, find the `for`-loop desugared // expression with that span in order to identify potential fixes when encountering a @@ -1189,10 +1187,9 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { Some((false, err_label_span, message, _)) => { let def_id = self.body.source.def_id(); let hir_id = if let Some(local_def_id) = def_id.as_local() - && let Some(body_id) = self.infcx.tcx.hir().maybe_body_owned_by(local_def_id) + && let Some(body) = self.infcx.tcx.hir().maybe_body_owned_by(local_def_id) { - let body = self.infcx.tcx.hir().body(body_id); - BindingFinder { span: err_label_span }.visit_body(body).break_value() + BindingFinder { span: err_label_span }.visit_body(&body).break_value() } else { None }; diff --git a/compiler/rustc_borrowck/src/diagnostics/region_errors.rs b/compiler/rustc_borrowck/src/diagnostics/region_errors.rs index e11e4a7247c2..15a8764aab3c 100644 --- a/compiler/rustc_borrowck/src/diagnostics/region_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/region_errors.rs @@ -1183,8 +1183,8 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { #[allow(rustc::untranslatable_diagnostic)] // FIXME: make this translatable fn suggest_move_on_borrowing_closure(&self, diag: &mut Diag<'_>) { let map = self.infcx.tcx.hir(); - let body_id = map.body_owned_by(self.mir_def_id()); - let expr = &map.body(body_id).value.peel_blocks(); + let body = map.body_owned_by(self.mir_def_id()); + let expr = &body.value.peel_blocks(); let mut closure_span = None::; match expr.kind { hir::ExprKind::MethodCall(.., args, _) => { diff --git a/compiler/rustc_driver_impl/src/pretty.rs b/compiler/rustc_driver_impl/src/pretty.rs index fe426b8111cc..8acba57b7a65 100644 --- a/compiler/rustc_driver_impl/src/pretty.rs +++ b/compiler/rustc_driver_impl/src/pretty.rs @@ -169,7 +169,7 @@ impl<'tcx> pprust_hir::PpAnn for HirTypedAnn<'tcx> { self.tcx .hir() .maybe_body_owned_by(expr.hir_id.owner.def_id) - .map(|body_id| self.tcx.typeck_body(body_id)) + .map(|body_id| self.tcx.typeck_body(body_id.id())) }); if let Some(typeck_results) = typeck_results { diff --git a/compiler/rustc_hir_analysis/src/check/region.rs b/compiler/rustc_hir_analysis/src/check/region.rs index dcddb2662088..30b03b43872a 100644 --- a/compiler/rustc_hir_analysis/src/check/region.rs +++ b/compiler/rustc_hir_analysis/src/check/region.rs @@ -896,7 +896,7 @@ pub fn region_scope_tree(tcx: TyCtxt<'_>, def_id: DefId) -> &ScopeTree { return tcx.region_scope_tree(typeck_root_def_id); } - let scope_tree = if let Some(body_id) = tcx.hir().maybe_body_owned_by(def_id.expect_local()) { + let scope_tree = if let Some(body) = tcx.hir().maybe_body_owned_by(def_id.expect_local()) { let mut visitor = RegionResolutionVisitor { tcx, scope_tree: ScopeTree::default(), @@ -907,9 +907,8 @@ pub fn region_scope_tree(tcx: TyCtxt<'_>, def_id: DefId) -> &ScopeTree { fixup_scopes: vec![], }; - let body = tcx.hir().body(body_id); visitor.scope_tree.root_body = Some(body.value.hir_id); - visitor.visit_body(body); + visitor.visit_body(&body); visitor.scope_tree } else { ScopeTree::default() diff --git a/compiler/rustc_hir_typeck/src/_match.rs b/compiler/rustc_hir_typeck/src/_match.rs index c2e62e4c0035..a599e8d05fd3 100644 --- a/compiler/rustc_hir_typeck/src/_match.rs +++ b/compiler/rustc_hir_typeck/src/_match.rs @@ -207,10 +207,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let hir = self.tcx.hir(); // First, check that we're actually in the tail of a function. - let Some(body_id) = hir.maybe_body_owned_by(self.body_id) else { + let Some(body) = hir.maybe_body_owned_by(self.body_id) else { return; }; - let body = hir.body(body_id); let hir::ExprKind::Block(block, _) = body.value.kind else { return; }; diff --git a/compiler/rustc_hir_typeck/src/demand.rs b/compiler/rustc_hir_typeck/src/demand.rs index 7916366ef089..fa147f9bfcfe 100644 --- a/compiler/rustc_hir_typeck/src/demand.rs +++ b/compiler/rustc_hir_typeck/src/demand.rs @@ -327,8 +327,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } let mut expr_finder = FindExprs { hir_id: local_hir_id, uses: init.into_iter().collect() }; - let body = - hir.body(hir.maybe_body_owned_by(self.body_id).expect("expected item to have body")); + let body = hir.body_owned_by(self.body_id); expr_finder.visit_expr(body.value); // Replaces all of the variables in the given type with a fresh inference variable. diff --git a/compiler/rustc_hir_typeck/src/expr.rs b/compiler/rustc_hir_typeck/src/expr.rs index 364f0fec202a..061d9507a35c 100644 --- a/compiler/rustc_hir_typeck/src/expr.rs +++ b/compiler/rustc_hir_typeck/src/expr.rs @@ -909,8 +909,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // the first place. assert_ne!(encl_item_id.def_id, encl_body_owner_id); - let encl_body_id = self.tcx.hir().body_owned_by(encl_body_owner_id); - let encl_body = self.tcx.hir().body(encl_body_id); + let encl_body = self.tcx.hir().body_owned_by(encl_body_owner_id); err.encl_body_span = Some(encl_body.value.span); err.encl_fn_span = Some(*encl_fn_span); diff --git a/compiler/rustc_hir_typeck/src/fallback.rs b/compiler/rustc_hir_typeck/src/fallback.rs index e8533c68c793..7d6fdc9392ea 100644 --- a/compiler/rustc_hir_typeck/src/fallback.rs +++ b/compiler/rustc_hir_typeck/src/fallback.rs @@ -544,9 +544,8 @@ fn compute_unsafe_infer_vars<'a, 'tcx>( root_ctxt: &'a TypeckRootCtxt<'tcx>, body_id: LocalDefId, ) -> UnordMap { - let body_id = + let body = root_ctxt.tcx.hir().maybe_body_owned_by(body_id).expect("body id must have an owner"); - let body = root_ctxt.tcx.hir().body(body_id); let mut res = UnordMap::default(); struct UnsafeInferVarsVisitor<'a, 'tcx, 'r> { diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs index 0d7f59c48715..7cefe189bd6b 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs @@ -1973,8 +1973,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { *expr } else { let body_def_id = hir.enclosing_body_owner(expr.hir_id); - let body_id = hir.body_owned_by(body_def_id); - let body = hir.body(body_id); + let body = hir.body_owned_by(body_def_id); // Get tail expr of the body match body.value.kind { diff --git a/compiler/rustc_hir_typeck/src/method/suggest.rs b/compiler/rustc_hir_typeck/src/method/suggest.rs index 54af8354c4c7..af7b68bc36b7 100644 --- a/compiler/rustc_hir_typeck/src/method/suggest.rs +++ b/compiler/rustc_hir_typeck/src/method/suggest.rs @@ -505,9 +505,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { && let hir::def::Res::Local(recv_id) = path.res && let Some(segment) = path.segments.first() { - let map = self.infcx.tcx.hir(); - let body_id = self.tcx.hir().body_owned_by(self.body_id); - let body = map.body(body_id); + let body = self.tcx.hir().body_owned_by(self.body_id); if let Node::Expr(call_expr) = self.tcx.parent_hir_node(rcvr.hir_id) { let mut let_visitor = LetVisitor { @@ -518,7 +516,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { method_name, sugg_let: None, }; - let_visitor.visit_body(body); + let_visitor.visit_body(&body); if let Some(sugg_let) = let_visitor.sugg_let && let Some(self_ty) = self.node_ty_opt(sugg_let.init_hir_id) { @@ -2429,9 +2427,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { seg1.ident.span, StashKey::CallAssocMethod, |err| { - let map = self.infcx.tcx.hir(); - let body_id = self.tcx.hir().body_owned_by(self.body_id); - let body = map.body(body_id); + let body = self.tcx.hir().body_owned_by(self.body_id); struct LetVisitor { ident_name: Symbol, } @@ -2453,7 +2449,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { if let Node::Expr(call_expr) = self.tcx.parent_hir_node(seg1.hir_id) && let ControlFlow::Break(Some(expr)) = - (LetVisitor { ident_name: seg1.ident.name }).visit_body(body) + (LetVisitor { ident_name: seg1.ident.name }).visit_body(&body) && let Some(self_ty) = self.node_ty_opt(expr.hir_id) { let probe = self.lookup_probe_for_diagnostic( diff --git a/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs b/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs index 63d41a1faf3f..fb8c843f3095 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs @@ -457,10 +457,10 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { }; let mut local_visitor = FindInferSourceVisitor::new(self, typeck_results, arg); - if let Some(body_id) = self.tcx.hir().maybe_body_owned_by( + if let Some(body) = self.tcx.hir().maybe_body_owned_by( self.tcx.typeck_root_def_id(body_def_id.to_def_id()).expect_local(), ) { - let expr = self.tcx.hir().body(body_id).value; + let expr = body.value; local_visitor.visit_expr(expr); } diff --git a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/util.rs b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/util.rs index 5f3f1081ca8f..83145e4f7b27 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/util.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/util.rs @@ -62,14 +62,13 @@ pub fn find_param_with_region<'tcx>( _ => {} } - let body_id = hir.maybe_body_owned_by(def_id)?; + let body = hir.maybe_body_owned_by(def_id)?; - let owner_id = hir.body_owner(body_id); + let owner_id = hir.body_owner(body.id()); let fn_decl = hir.fn_decl_by_hir_id(owner_id)?; let poly_fn_sig = tcx.fn_sig(id).instantiate_identity(); let fn_sig = tcx.liberate_late_bound_regions(id, poly_fn_sig); - let body = hir.body(body_id); body.params .iter() .take(if fn_sig.c_variadic { diff --git a/compiler/rustc_infer/src/infer/error_reporting/suggest.rs b/compiler/rustc_infer/src/infer/error_reporting/suggest.rs index c333f024ad12..17fb760295ae 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/suggest.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/suggest.rs @@ -580,10 +580,9 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { } } - self.tcx.hir().maybe_body_owned_by(cause.body_id).and_then(|body_id| { - let body = self.tcx.hir().body(body_id); + self.tcx.hir().maybe_body_owned_by(cause.body_id).and_then(|body| { IfVisitor { err_span: span, found_if: false } - .visit_body(body) + .visit_body(&body) .is_break() .then(|| TypeErrorAdditionalDiags::AddLetForLetChains { span: span.shrink_to_lo() }) }) diff --git a/compiler/rustc_metadata/src/rmeta/encoder.rs b/compiler/rustc_metadata/src/rmeta/encoder.rs index 4587a4315e3c..4f186981a76f 100644 --- a/compiler/rustc_metadata/src/rmeta/encoder.rs +++ b/compiler/rustc_metadata/src/rmeta/encoder.rs @@ -1677,9 +1677,9 @@ impl<'a, 'tcx> EncodeContext<'a, 'tcx> { if should_encode_const(tcx.def_kind(def_id)) { let qualifs = tcx.mir_const_qualif(def_id); record!(self.tables.mir_const_qualif[def_id.to_def_id()] <- qualifs); - let body_id = tcx.hir().maybe_body_owned_by(def_id); - if let Some(body_id) = body_id { - let const_data = rendered_const(self.tcx, body_id); + let body = tcx.hir().maybe_body_owned_by(def_id); + if let Some(body) = body { + let const_data = rendered_const(self.tcx, &body, def_id); record!(self.tables.rendered_const[def_id.to_def_id()] <- const_data); } } @@ -2368,9 +2368,9 @@ pub fn provide(providers: &mut Providers) { /// Whenever possible, prefer to evaluate the constant first and try to /// use a different method for pretty-printing. Ideally this function /// should only ever be used as a fallback. -pub fn rendered_const<'tcx>(tcx: TyCtxt<'tcx>, body: hir::BodyId) -> String { +pub fn rendered_const<'tcx>(tcx: TyCtxt<'tcx>, body: &hir::Body<'_>, def_id: LocalDefId) -> String { let hir = tcx.hir(); - let value = &hir.body(body).value; + let value = body.value; #[derive(PartialEq, Eq)] enum Classification { @@ -2426,13 +2426,13 @@ pub fn rendered_const<'tcx>(tcx: TyCtxt<'tcx>, body: hir::BodyId) -> String { // Otherwise we prefer pretty-printing to get rid of extraneous whitespace, comments and // other formatting artifacts. - Literal | Simple => id_to_string(&hir, body.hir_id), + Literal | Simple => id_to_string(&hir, body.id().hir_id), // FIXME: Omit the curly braces if the enclosing expression is an array literal // with a repeated element (an `ExprKind::Repeat`) as in such case it // would not actually need any disambiguation. Complex => { - if tcx.def_kind(hir.body_owner_def_id(body).to_def_id()) == DefKind::AnonConst { + if tcx.def_kind(def_id) == DefKind::AnonConst { "{ _ }".to_owned() } else { "_".to_owned() diff --git a/compiler/rustc_middle/src/hir/map/mod.rs b/compiler/rustc_middle/src/hir/map/mod.rs index ff8d29197055..665cd883d44a 100644 --- a/compiler/rustc_middle/src/hir/map/mod.rs +++ b/compiler/rustc_middle/src/hir/map/mod.rs @@ -1,3 +1,5 @@ +use std::borrow::Cow; + use crate::hir::ModuleItems; use crate::middle::debugger_visualizer::DebuggerVisualizerFile; use crate::query::LocalCrate; @@ -254,13 +256,26 @@ impl<'hir> Map<'hir> { /// Given a `LocalDefId`, returns the `BodyId` associated with it, /// if the node is a body owner, otherwise returns `None`. - pub fn maybe_body_owned_by(self, id: LocalDefId) -> Option { - self.tcx.hir_node_by_def_id(id).body_id() + pub fn maybe_body_owned_by(self, id: LocalDefId) -> Option>> { + Some(match self.tcx.def_kind(id) { + // Inline consts do not have bodies of their own, so create one to make the follow-up logic simpler. + DefKind::InlineConst => { + let e = self.expect_expr(self.tcx.local_def_id_to_hir_id(id)); + Cow::Owned(Body { + params: &[], + value: match e.kind { + ExprKind::ConstBlock(body) => body, + _ => span_bug!(e.span, "InlineConst was not a ConstBlock: {e:#?}"), + }, + }) + } + _ => Cow::Borrowed(self.body(self.tcx.hir_node_by_def_id(id).body_id()?)), + }) } /// Given a body owner's id, returns the `BodyId` associated with it. #[track_caller] - pub fn body_owned_by(self, id: LocalDefId) -> BodyId { + pub fn body_owned_by(self, id: LocalDefId) -> Cow<'hir, Body<'hir>> { self.maybe_body_owned_by(id).unwrap_or_else(|| { let hir_id = self.tcx.local_def_id_to_hir_id(id); span_bug!( diff --git a/compiler/rustc_middle/src/hir/mod.rs b/compiler/rustc_middle/src/hir/mod.rs index d39422b2b04d..b0c14cdfec93 100644 --- a/compiler/rustc_middle/src/hir/mod.rs +++ b/compiler/rustc_middle/src/hir/mod.rs @@ -194,8 +194,7 @@ pub fn provide(providers: &mut Providers) { }; providers.fn_arg_names = |tcx, def_id| { let hir = tcx.hir(); - let hir_id = tcx.local_def_id_to_hir_id(def_id); - if let Some(body_id) = hir.maybe_body_owned_by(def_id) { + if let Some(body_id) = tcx.hir_node_by_def_id(def_id).body_id() { tcx.arena.alloc_from_iter(hir.body_param_names(body_id)) } else if let Node::TraitItem(&TraitItem { kind: TraitItemKind::Fn(_, TraitFn::Required(idents)), @@ -204,11 +203,15 @@ pub fn provide(providers: &mut Providers) { | Node::ForeignItem(&ForeignItem { kind: ForeignItemKind::Fn(_, idents, _), .. - }) = tcx.hir_node(hir_id) + }) = tcx.hir_node(tcx.local_def_id_to_hir_id(def_id)) { idents } else { - span_bug!(hir.span(hir_id), "fn_arg_names: unexpected item {:?}", def_id); + span_bug!( + hir.span(tcx.local_def_id_to_hir_id(def_id)), + "fn_arg_names: unexpected item {:?}", + def_id + ); } }; providers.all_local_trait_impls = |tcx, ()| &tcx.resolutions(()).trait_impls; diff --git a/compiler/rustc_mir_build/src/build/mod.rs b/compiler/rustc_mir_build/src/build/mod.rs index 13112f2b12c8..14d1b502474f 100644 --- a/compiler/rustc_mir_build/src/build/mod.rs +++ b/compiler/rustc_mir_build/src/build/mod.rs @@ -452,7 +452,7 @@ fn construct_fn<'tcx>( assert_eq!(expr.as_usize(), thir.exprs.len() - 1); // Figure out what primary body this item has. - let body_id = tcx.hir().body_owned_by(fn_def); + let body = tcx.hir().body_owned_by(fn_def); let span_with_body = tcx.hir().span_with_body(fn_id); let return_ty_span = tcx .hir() @@ -512,9 +512,9 @@ fn construct_fn<'tcx>( ); let call_site_scope = - region::Scope { id: body_id.hir_id.local_id, data: region::ScopeData::CallSite }; + region::Scope { id: body.id().hir_id.local_id, data: region::ScopeData::CallSite }; let arg_scope = - region::Scope { id: body_id.hir_id.local_id, data: region::ScopeData::Arguments }; + region::Scope { id: body.id().hir_id.local_id, data: region::ScopeData::Arguments }; let source_info = builder.source_info(span); let call_site_s = (call_site_scope, source_info); unpack!(builder.in_scope(call_site_s, LintLevel::Inherited, |builder| { diff --git a/compiler/rustc_mir_build/src/thir/cx/mod.rs b/compiler/rustc_mir_build/src/thir/cx/mod.rs index bd72ef28cb37..bd9e34ae80fc 100644 --- a/compiler/rustc_mir_build/src/thir/cx/mod.rs +++ b/compiler/rustc_mir_build/src/thir/cx/mod.rs @@ -13,10 +13,10 @@ use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_hir::lang_items::LangItem; use rustc_hir::HirId; use rustc_hir::Node; +use rustc_middle::bug; use rustc_middle::middle::region; use rustc_middle::thir::*; use rustc_middle::ty::{self, RvalueScopes, TyCtxt}; -use rustc_middle::{bug, span_bug}; use tracing::instrument; pub(crate) fn thir_body( @@ -24,22 +24,7 @@ pub(crate) fn thir_body( owner_def: LocalDefId, ) -> Result<(&Steal>, ExprId), ErrorGuaranteed> { let hir = tcx.hir(); - let body; - let body = match tcx.def_kind(owner_def) { - // Inline consts do not have bodies of their own, so create one to make the follow-up logic simpler. - DefKind::InlineConst => { - let e = hir.expect_expr(tcx.local_def_id_to_hir_id(owner_def)); - body = hir::Body { - params: &[], - value: match e.kind { - hir::ExprKind::ConstBlock(body) => body, - _ => span_bug!(e.span, "InlineConst was not a ConstBlock: {e:#?}"), - }, - }; - &body - } - _ => hir.body(hir.body_owned_by(owner_def)), - }; + let body = hir.body_owned_by(owner_def); let mut cx = Cx::new(tcx, owner_def); if let Some(reported) = cx.typeck_results.tainted_by_errors { return Err(reported); @@ -49,7 +34,7 @@ pub(crate) fn thir_body( let owner_id = tcx.local_def_id_to_hir_id(owner_def); if let Some(fn_decl) = hir.fn_decl_by_hir_id(owner_id) { let closure_env_param = cx.closure_env_param(owner_def, owner_id); - let explicit_params = cx.explicit_params(owner_id, fn_decl, body); + let explicit_params = cx.explicit_params(owner_id, fn_decl, &body); cx.thir.params = closure_env_param.into_iter().chain(explicit_params).collect(); // The resume argument may be missing, in that case we need to provide it here. diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs index 93ae105150cc..a8741254ffbf 100644 --- a/compiler/rustc_mir_transform/src/lib.rs +++ b/compiler/rustc_mir_transform/src/lib.rs @@ -226,7 +226,8 @@ fn mir_keys(tcx: TyCtxt<'_>, (): ()) -> FxIndexSet { // typeck instead of during ast lowering, like all other bodies so far. for def_id in tcx.hir().body_owners() { // Incremental performance optimization: only load typeck results for things that actually have inline consts - if tcx.hir_owner_nodes(tcx.hir().body_owned_by(def_id).hir_id.owner).has_inline_consts { + if tcx.hir_owner_nodes(tcx.hir().body_owned_by(def_id).id().hir_id.owner).has_inline_consts + { set.extend(tcx.typeck(def_id).inline_consts.values()) } } diff --git a/compiler/rustc_passes/src/liveness.rs b/compiler/rustc_passes/src/liveness.rs index 1f966be26ff4..698f15015c48 100644 --- a/compiler/rustc_passes/src/liveness.rs +++ b/compiler/rustc_passes/src/liveness.rs @@ -158,9 +158,8 @@ fn check_liveness(tcx: TyCtxt<'_>, def_id: LocalDefId) { } let mut maps = IrMaps::new(tcx); - let body_id = tcx.hir().body_owned_by(def_id); - let hir_id = tcx.hir().body_owner(body_id); - let body = tcx.hir().body(body_id); + let body = tcx.hir().body_owned_by(def_id); + let hir_id = tcx.hir().body_owner(body.id()); if let Some(upvars) = tcx.upvars_mentioned(def_id) { for &var_hir_id in upvars.keys() { @@ -171,17 +170,17 @@ fn check_liveness(tcx: TyCtxt<'_>, def_id: LocalDefId) { // gather up the various local variables, significant expressions, // and so forth: - maps.visit_body(body); + maps.visit_body(&body); // compute liveness let mut lsets = Liveness::new(&mut maps, def_id); - let entry_ln = lsets.compute(body, hir_id); - lsets.log_liveness(entry_ln, body_id.hir_id); + let entry_ln = lsets.compute(&body, hir_id); + lsets.log_liveness(entry_ln, body.id().hir_id); // check for various error conditions - lsets.visit_body(body); + lsets.visit_body(&body); lsets.warn_about_unused_upvars(entry_ln); - lsets.warn_about_unused_args(body, entry_ln); + lsets.warn_about_unused_args(&body, entry_ln); } pub fn provide(providers: &mut Providers) { diff --git a/compiler/rustc_passes/src/upvars.rs b/compiler/rustc_passes/src/upvars.rs index 2eed58d10bb7..f2454514e4d3 100644 --- a/compiler/rustc_passes/src/upvars.rs +++ b/compiler/rustc_passes/src/upvars.rs @@ -16,17 +16,17 @@ pub fn provide(providers: &mut Providers) { } let local_def_id = def_id.expect_local(); - let body = tcx.hir().body(tcx.hir().maybe_body_owned_by(local_def_id)?); + let body = tcx.hir().maybe_body_owned_by(local_def_id)?; let mut local_collector = LocalCollector::default(); - local_collector.visit_body(body); + local_collector.visit_body(&body); let mut capture_collector = CaptureCollector { tcx, locals: &local_collector.locals, upvars: FxIndexMap::default(), }; - capture_collector.visit_body(body); + capture_collector.visit_body(&body); if !capture_collector.upvars.is_empty() { Some(tcx.arena.alloc(capture_collector.upvars)) diff --git a/compiler/rustc_privacy/src/lib.rs b/compiler/rustc_privacy/src/lib.rs index f631ae76de50..698b28c626d0 100644 --- a/compiler/rustc_privacy/src/lib.rs +++ b/compiler/rustc_privacy/src/lib.rs @@ -1695,7 +1695,7 @@ fn check_mod_privacy(tcx: TyCtxt<'_>, module_def_id: LocalModDefId) { rustc_ty_utils::sig_types::walk_types(tcx, def_id, &mut visitor); if let Some(body_id) = tcx.hir().maybe_body_owned_by(def_id) { - visitor.visit_nested_body(body_id); + visitor.visit_nested_body(body_id.id()); } } diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs index 18d91a5b9a89..9336148fd672 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs @@ -907,10 +907,9 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { span.remove_mark(); } let mut expr_finder = FindExprBySpan::new(span, self.tcx); - let Some(body_id) = self.tcx.hir().maybe_body_owned_by(obligation.cause.body_id) else { + let Some(body) = self.tcx.hir().maybe_body_owned_by(obligation.cause.body_id) else { return; }; - let body = self.tcx.hir().body(body_id); expr_finder.visit_expr(body.value); let Some(expr) = expr_finder.result else { return; @@ -1369,12 +1368,11 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { // Issue #104961, we need to add parentheses properly for compound expressions // for example, `x.starts_with("hi".to_string() + "you")` // should be `x.starts_with(&("hi".to_string() + "you"))` - let Some(body_id) = + let Some(body) = self.tcx.hir().maybe_body_owned_by(obligation.cause.body_id) else { return false; }; - let body = self.tcx.hir().body(body_id); let mut expr_finder = FindExprBySpan::new(span, self.tcx); expr_finder.visit_expr(body.value); let Some(expr) = expr_finder.result else { @@ -1476,10 +1474,9 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { span.remove_mark(); } let mut expr_finder = super::FindExprBySpan::new(span, self.tcx); - let Some(body_id) = self.tcx.hir().maybe_body_owned_by(obligation.cause.body_id) else { + let Some(body) = self.tcx.hir().maybe_body_owned_by(obligation.cause.body_id) else { return false; }; - let body = self.tcx.hir().body(body_id); expr_finder.visit_expr(body.value); let mut maybe_suggest = |suggested_ty, count, suggestions| { // Remapping bound vars here @@ -1805,10 +1802,10 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { ); } - let body = self.tcx.hir().body(self.tcx.hir().body_owned_by(obligation.cause.body_id)); + let body = self.tcx.hir().body_owned_by(obligation.cause.body_id); let mut visitor = ReturnsVisitor::default(); - visitor.visit_body(body); + visitor.visit_body(&body); let mut sugg = vec![(span.shrink_to_lo(), "Box<".to_string()), (span.shrink_to_hi(), ">".to_string())]; @@ -2348,13 +2345,11 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { ?span, ); - let coroutine_body = coroutine_did - .as_local() - .and_then(|def_id| hir.maybe_body_owned_by(def_id)) - .map(|body_id| hir.body(body_id)); + let coroutine_body = + coroutine_did.as_local().and_then(|def_id| hir.maybe_body_owned_by(def_id)); let mut visitor = AwaitsVisitor::default(); if let Some(body) = coroutine_body { - visitor.visit_body(body); + visitor.visit_body(&body); } debug!(awaits = ?visitor.awaits); diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs index 46953a61296a..8101f6cf295a 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs @@ -2451,11 +2451,10 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { } if let Some(ty::GenericArgKind::Type(_)) = arg.map(|arg| arg.unpack()) - && let Some(body_id) = - self.tcx.hir().maybe_body_owned_by(obligation.cause.body_id) + && let Some(body) = self.tcx.hir().maybe_body_owned_by(obligation.cause.body_id) { let mut expr_finder = FindExprBySpan::new(span, self.tcx); - expr_finder.visit_expr(self.tcx.hir().body(body_id).value); + expr_finder.visit_expr(&body.value); if let Some(hir::Expr { kind: diff --git a/compiler/rustc_ty_utils/src/opaque_types.rs b/compiler/rustc_ty_utils/src/opaque_types.rs index ccc522053a65..686f2f04ad9a 100644 --- a/compiler/rustc_ty_utils/src/opaque_types.rs +++ b/compiler/rustc_ty_utils/src/opaque_types.rs @@ -109,7 +109,7 @@ impl<'tcx> OpaqueTypeCollector<'tcx> { #[instrument(level = "trace", skip(self))] fn collect_taits_declared_in_body(&mut self) { - let body = self.tcx.hir().body(self.tcx.hir().body_owned_by(self.item)).value; + let body = self.tcx.hir().body_owned_by(self.item).value; struct TaitInBodyFinder<'a, 'tcx> { collector: &'a mut OpaqueTypeCollector<'tcx>, } diff --git a/src/librustdoc/clean/types.rs b/src/librustdoc/clean/types.rs index 7490688e36c5..711aef34c27e 100644 --- a/src/librustdoc/clean/types.rs +++ b/src/librustdoc/clean/types.rs @@ -2133,7 +2133,9 @@ impl Discriminant { /// Will be `None` in the case of cross-crate reexports, and may be /// simplified pub(crate) fn expr(&self, tcx: TyCtxt<'_>) -> Option { - self.expr.map(|body| rendered_const(tcx, body)) + self.expr.map(|body| { + rendered_const(tcx, tcx.hir().body(body), tcx.hir().body_owner_def_id(body)) + }) } pub(crate) fn value(&self, tcx: TyCtxt<'_>, with_underscores: bool) -> String { print_evaluated_const(tcx, self.value, with_underscores, false).unwrap() @@ -2419,7 +2421,7 @@ impl ConstantKind { ConstantKind::TyConst { ref expr } => expr.to_string(), ConstantKind::Extern { def_id } => print_inlined_const(tcx, def_id), ConstantKind::Local { body, .. } | ConstantKind::Anonymous { body } => { - rendered_const(tcx, body) + rendered_const(tcx, tcx.hir().body(body), tcx.hir().body_owner_def_id(body)) } } } diff --git a/src/librustdoc/clean/utils.rs b/src/librustdoc/clean/utils.rs index aa923cc61173..803650beaf67 100644 --- a/src/librustdoc/clean/utils.rs +++ b/src/librustdoc/clean/utils.rs @@ -342,7 +342,7 @@ pub(crate) fn print_const(cx: &DocContext<'_>, n: ty::Const<'_>) -> String { match n.kind() { ty::ConstKind::Unevaluated(ty::UnevaluatedConst { def, args: _ }) => { let s = if let Some(def) = def.as_local() { - rendered_const(cx.tcx, cx.tcx.hir().body_owned_by(def)) + rendered_const(cx.tcx, &cx.tcx.hir().body_owned_by(def), def) } else { inline::print_inlined_const(cx.tcx, def) }; diff --git a/src/librustdoc/core.rs b/src/librustdoc/core.rs index 932295270765..ccd5dadb20a0 100644 --- a/src/librustdoc/core.rs +++ b/src/librustdoc/core.rs @@ -284,9 +284,9 @@ pub(crate) fn create_config( } let hir = tcx.hir(); - let body = hir.body(hir.body_owned_by(def_id)); + let body = hir.body_owned_by(def_id); debug!("visiting body for {def_id:?}"); - EmitIgnoredResolutionErrors::new(tcx).visit_body(body); + EmitIgnoredResolutionErrors::new(tcx).visit_body(&body); (rustc_interface::DEFAULT_QUERY_PROVIDERS.typeck)(tcx, def_id) }; }), diff --git a/src/librustdoc/html/render/span_map.rs b/src/librustdoc/html/render/span_map.rs index 8ee35db56f8d..0535246ae10f 100644 --- a/src/librustdoc/html/render/span_map.rs +++ b/src/librustdoc/html/render/span_map.rs @@ -162,9 +162,7 @@ impl<'tcx> SpanMapVisitor<'tcx> { // compiled (because of cfg)! // // See discussion in https://github.com/rust-lang/rust/issues/69426#issuecomment-1019412352 - let typeck_results = self - .tcx - .typeck_body(hir.maybe_body_owned_by(body_id).expect("a body which isn't a body")); + let typeck_results = self.tcx.typeck_body(hir.body_owned_by(body_id).id()); // Interestingly enough, for method calls, we need the whole expression whereas for static // method/function calls, we need the call expression specifically. if let Some(def_id) = typeck_results.type_dependent_def_id(expr_hir_id.unwrap_or(hir_id)) { diff --git a/src/librustdoc/json/conversions.rs b/src/librustdoc/json/conversions.rs index f856b4e9f16c..7f5c12219b87 100644 --- a/src/librustdoc/json/conversions.rs +++ b/src/librustdoc/json/conversions.rs @@ -820,7 +820,10 @@ impl FromWithTcx for Static { Static { type_: stat.type_.into_tcx(tcx), mutable: stat.mutability == ast::Mutability::Mut, - expr: stat.expr.map(|e| rendered_const(tcx, e)).unwrap_or_default(), + expr: stat + .expr + .map(|e| rendered_const(tcx, tcx.hir().body(e), tcx.hir().body_owner_def_id(e))) + .unwrap_or_default(), } } } diff --git a/src/tools/clippy/clippy_lints/src/methods/option_map_unwrap_or.rs b/src/tools/clippy/clippy_lints/src/methods/option_map_unwrap_or.rs index efec9dd716dc..ca331f3e7568 100644 --- a/src/tools/clippy/clippy_lints/src/methods/option_map_unwrap_or.rs +++ b/src/tools/clippy/clippy_lints/src/methods/option_map_unwrap_or.rs @@ -59,8 +59,8 @@ pub(super) fn check<'tcx>( }; let map = cx.tcx.hir(); - let body = map.body(map.body_owned_by(map.enclosing_body_owner(expr.hir_id))); - reference_visitor.visit_body(body); + let body = map.body_owned_by(map.enclosing_body_owner(expr.hir_id)); + reference_visitor.visit_body(&body); if reference_visitor.found_reference { return; diff --git a/src/tools/clippy/clippy_lints/src/single_call_fn.rs b/src/tools/clippy/clippy_lints/src/single_call_fn.rs index 2ce7e714c642..f8e09d517f57 100644 --- a/src/tools/clippy/clippy_lints/src/single_call_fn.rs +++ b/src/tools/clippy/clippy_lints/src/single_call_fn.rs @@ -79,7 +79,6 @@ impl SingleCallFn { .tcx .hir() .maybe_body_owned_by(fn_def_id) - .map(|body| cx.tcx.hir().body(body)) .map_or(true, |body| is_in_test_function(cx.tcx, body.value.hir_id)) || match cx.tcx.hir_node(fn_hir_id) { Node::Item(item) => is_from_proc_macro(cx, item), diff --git a/src/tools/clippy/clippy_lints/src/transmute/missing_transmute_annotations.rs b/src/tools/clippy/clippy_lints/src/transmute/missing_transmute_annotations.rs index cc6ff1cf3b42..f98ea59a15d8 100644 --- a/src/tools/clippy/clippy_lints/src/transmute/missing_transmute_annotations.rs +++ b/src/tools/clippy/clippy_lints/src/transmute/missing_transmute_annotations.rs @@ -30,8 +30,8 @@ fn get_parent_local_binding_ty<'tcx>(cx: &LateContext<'tcx>, expr_hir_id: HirId) fn is_function_block(cx: &LateContext<'_>, expr_hir_id: HirId) -> bool { let def_id = cx.tcx.hir().enclosing_body_owner(expr_hir_id); - if let Some(body_id) = cx.tcx.hir().maybe_body_owned_by(def_id) { - let body = cx.tcx.hir().body(body_id); + if let Some(body) = cx.tcx.hir().maybe_body_owned_by(def_id) { + let body = cx.tcx.hir().body(body.id()); return body.value.peel_blocks().hir_id == expr_hir_id; } false diff --git a/src/tools/clippy/clippy_lints/src/unconditional_recursion.rs b/src/tools/clippy/clippy_lints/src/unconditional_recursion.rs index 0c4e2c91aec5..5e41b3f4914f 100644 --- a/src/tools/clippy/clippy_lints/src/unconditional_recursion.rs +++ b/src/tools/clippy/clippy_lints/src/unconditional_recursion.rs @@ -336,7 +336,7 @@ impl UnconditionalRecursion { // We need to use typeck here to infer the actual function being called. && let body_def_id = cx.tcx.hir().enclosing_body_owner(call_expr.hir_id) && let Some(body_owner) = cx.tcx.hir().maybe_body_owned_by(body_def_id) - && let typeck = cx.tcx.typeck_body(body_owner) + && let typeck = cx.tcx.typeck_body(body_owner.id()) && let Some(call_def_id) = typeck.type_dependent_def_id(call_expr.hir_id) { self.default_impl_for_type.insert(self_def_id, call_def_id); diff --git a/src/tools/clippy/clippy_lints/src/utils/author.rs b/src/tools/clippy/clippy_lints/src/utils/author.rs index 4448c9ae3df7..18a31abddd0a 100644 --- a/src/tools/clippy/clippy_lints/src/utils/author.rs +++ b/src/tools/clippy/clippy_lints/src/utils/author.rs @@ -137,9 +137,9 @@ impl<'tcx> LateLintPass<'tcx> for Author { fn check_item(cx: &LateContext<'_>, hir_id: HirId) { let hir = cx.tcx.hir(); - if let Some(body_id) = hir.maybe_body_owned_by(hir_id.expect_owner().def_id) { + if let Some(body) = hir.maybe_body_owned_by(hir_id.expect_owner().def_id) { check_node(cx, hir_id, |v| { - v.expr(&v.bind("expr", hir.body(body_id).value)); + v.expr(&v.bind("expr", body.value)); }); } } diff --git a/tests/ui/inline-const/uninit_local.rs b/tests/ui/inline-const/uninit_local.rs new file mode 100644 index 000000000000..548c053affc7 --- /dev/null +++ b/tests/ui/inline-const/uninit_local.rs @@ -0,0 +1,6 @@ +fn main() { + let _my_usize = const { + let x: bool; + while x {} //~ ERROR: `x` isn't initialized + }; +} diff --git a/tests/ui/inline-const/uninit_local.stderr b/tests/ui/inline-const/uninit_local.stderr new file mode 100644 index 000000000000..37b78e337e7b --- /dev/null +++ b/tests/ui/inline-const/uninit_local.stderr @@ -0,0 +1,16 @@ +error[E0381]: used binding `x` isn't initialized + --> $DIR/uninit_local.rs:4:15 + | +LL | let x: bool; + | - binding declared here but left uninitialized +LL | while x {} + | ^ `x` used here but it isn't initialized + | +help: consider assigning a value + | +LL | let x: bool = false; + | +++++++ + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0381`. From f44a6a7cb59ddff2964e26c9eb0ad50a6c555c99 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Wed, 29 May 2024 10:03:40 +0000 Subject: [PATCH 0714/1716] Make `body_owned_by` return the body directly. Almost all callers want this anyway, and now we can use it to also return fed bodies --- clippy_lints/src/methods/option_map_unwrap_or.rs | 4 ++-- clippy_lints/src/single_call_fn.rs | 1 - clippy_lints/src/transmute/missing_transmute_annotations.rs | 4 ++-- clippy_lints/src/unconditional_recursion.rs | 2 +- clippy_lints/src/utils/author.rs | 4 ++-- 5 files changed, 7 insertions(+), 8 deletions(-) diff --git a/clippy_lints/src/methods/option_map_unwrap_or.rs b/clippy_lints/src/methods/option_map_unwrap_or.rs index efec9dd716dc..ca331f3e7568 100644 --- a/clippy_lints/src/methods/option_map_unwrap_or.rs +++ b/clippy_lints/src/methods/option_map_unwrap_or.rs @@ -59,8 +59,8 @@ pub(super) fn check<'tcx>( }; let map = cx.tcx.hir(); - let body = map.body(map.body_owned_by(map.enclosing_body_owner(expr.hir_id))); - reference_visitor.visit_body(body); + let body = map.body_owned_by(map.enclosing_body_owner(expr.hir_id)); + reference_visitor.visit_body(&body); if reference_visitor.found_reference { return; diff --git a/clippy_lints/src/single_call_fn.rs b/clippy_lints/src/single_call_fn.rs index 2ce7e714c642..f8e09d517f57 100644 --- a/clippy_lints/src/single_call_fn.rs +++ b/clippy_lints/src/single_call_fn.rs @@ -79,7 +79,6 @@ impl SingleCallFn { .tcx .hir() .maybe_body_owned_by(fn_def_id) - .map(|body| cx.tcx.hir().body(body)) .map_or(true, |body| is_in_test_function(cx.tcx, body.value.hir_id)) || match cx.tcx.hir_node(fn_hir_id) { Node::Item(item) => is_from_proc_macro(cx, item), diff --git a/clippy_lints/src/transmute/missing_transmute_annotations.rs b/clippy_lints/src/transmute/missing_transmute_annotations.rs index cc6ff1cf3b42..f98ea59a15d8 100644 --- a/clippy_lints/src/transmute/missing_transmute_annotations.rs +++ b/clippy_lints/src/transmute/missing_transmute_annotations.rs @@ -30,8 +30,8 @@ fn get_parent_local_binding_ty<'tcx>(cx: &LateContext<'tcx>, expr_hir_id: HirId) fn is_function_block(cx: &LateContext<'_>, expr_hir_id: HirId) -> bool { let def_id = cx.tcx.hir().enclosing_body_owner(expr_hir_id); - if let Some(body_id) = cx.tcx.hir().maybe_body_owned_by(def_id) { - let body = cx.tcx.hir().body(body_id); + if let Some(body) = cx.tcx.hir().maybe_body_owned_by(def_id) { + let body = cx.tcx.hir().body(body.id()); return body.value.peel_blocks().hir_id == expr_hir_id; } false diff --git a/clippy_lints/src/unconditional_recursion.rs b/clippy_lints/src/unconditional_recursion.rs index 0c4e2c91aec5..5e41b3f4914f 100644 --- a/clippy_lints/src/unconditional_recursion.rs +++ b/clippy_lints/src/unconditional_recursion.rs @@ -336,7 +336,7 @@ impl UnconditionalRecursion { // We need to use typeck here to infer the actual function being called. && let body_def_id = cx.tcx.hir().enclosing_body_owner(call_expr.hir_id) && let Some(body_owner) = cx.tcx.hir().maybe_body_owned_by(body_def_id) - && let typeck = cx.tcx.typeck_body(body_owner) + && let typeck = cx.tcx.typeck_body(body_owner.id()) && let Some(call_def_id) = typeck.type_dependent_def_id(call_expr.hir_id) { self.default_impl_for_type.insert(self_def_id, call_def_id); diff --git a/clippy_lints/src/utils/author.rs b/clippy_lints/src/utils/author.rs index 4448c9ae3df7..18a31abddd0a 100644 --- a/clippy_lints/src/utils/author.rs +++ b/clippy_lints/src/utils/author.rs @@ -137,9 +137,9 @@ impl<'tcx> LateLintPass<'tcx> for Author { fn check_item(cx: &LateContext<'_>, hir_id: HirId) { let hir = cx.tcx.hir(); - if let Some(body_id) = hir.maybe_body_owned_by(hir_id.expect_owner().def_id) { + if let Some(body) = hir.maybe_body_owned_by(hir_id.expect_owner().def_id) { check_node(cx, hir_id, |v| { - v.expr(&v.bind("expr", hir.body(body_id).value)); + v.expr(&v.bind("expr", body.value)); }); } } From 7845c6e09ca2b9fec6494bbfd5ca3e8af257314b Mon Sep 17 00:00:00 2001 From: Zalathar Date: Wed, 29 May 2024 16:16:45 +1000 Subject: [PATCH 0715/1716] coverage: Avoid overflow when the MC/DC condition limit is exceeded If we perform this subtraction and then add 1, the subtraction can sometimes overflow to -1 before the addition can bring its value back to 0. That behaviour seems to be benign, but it nevertheless causes test failures in compiler configurations that check for overflow. We can avoid the overflow by instead subtracting (N - 1), which is algebraically equivalent, and more closely matches what the code is actually trying to do. --- compiler/rustc_mir_build/src/build/coverageinfo/mcdc.rs | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/compiler/rustc_mir_build/src/build/coverageinfo/mcdc.rs b/compiler/rustc_mir_build/src/build/coverageinfo/mcdc.rs index 9cfb25e663d1..728b63d5b21b 100644 --- a/compiler/rustc_mir_build/src/build/coverageinfo/mcdc.rs +++ b/compiler/rustc_mir_build/src/build/coverageinfo/mcdc.rs @@ -217,12 +217,13 @@ impl MCDCInfoBuilder { } _ => { // Do not generate mcdc mappings and statements for decisions with too many conditions. - let rebase_idx = self.branch_spans.len() - decision.conditions_num + 1; + // Therefore, first erase the condition info of the (N-1) previous branch spans. + let rebase_idx = self.branch_spans.len() - (decision.conditions_num - 1); for branch in &mut self.branch_spans[rebase_idx..] { branch.condition_info = None; } - // ConditionInfo of this branch shall also be reset. + // Then, erase this last branch span's info too, for a total of N. condition_info = None; tcx.dcx().emit_warn(MCDCExceedsConditionNumLimit { From 9d1ed80a8af72ad6918809861697e76ec38df178 Mon Sep 17 00:00:00 2001 From: surechen Date: Wed, 29 May 2024 18:09:20 +0800 Subject: [PATCH 0716/1716] Change lint_dropping_copy_types to use UseLetUnderscoreIgnoreSuggestion as suggestion. --- compiler/rustc_lint/messages.ftl | 2 -- .../rustc_lint/src/drop_forget_useless.rs | 24 ++++++------------- compiler/rustc_lint/src/lints.rs | 15 +----------- 3 files changed, 8 insertions(+), 33 deletions(-) diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index 49c95ad935d4..fb71cb601402 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -232,8 +232,6 @@ lint_drop_trait_constraints = lint_dropping_copy_types = calls to `std::mem::drop` with a value that implements `Copy` does nothing .label = argument has type `{$arg_ty}` - .note = use `let _ = ...` to ignore the expression or result - .suggestion = use `let _ = ...` to ignore the expression or result lint_dropping_references = calls to `std::mem::drop` with a reference instead of an owned value does nothing .label = argument has type `{$arg_ty}` diff --git a/compiler/rustc_lint/src/drop_forget_useless.rs b/compiler/rustc_lint/src/drop_forget_useless.rs index 2c0973404eef..eea0898d83fa 100644 --- a/compiler/rustc_lint/src/drop_forget_useless.rs +++ b/compiler/rustc_lint/src/drop_forget_useless.rs @@ -5,9 +5,8 @@ use rustc_span::sym; use crate::{ lints::{ - DropCopyDiag, DropCopySuggestion, DropRefDiag, ForgetCopyDiag, ForgetRefDiag, - UndroppedManuallyDropsDiag, UndroppedManuallyDropsSuggestion, - UseLetUnderscoreIgnoreSuggestion, + DropCopyDiag, DropRefDiag, ForgetCopyDiag, ForgetRefDiag, UndroppedManuallyDropsDiag, + UndroppedManuallyDropsSuggestion, UseLetUnderscoreIgnoreSuggestion, }, LateContext, LateLintPass, LintContext, }; @@ -183,23 +182,14 @@ impl<'tcx> LateLintPass<'tcx> for DropForgetUseless { ); } sym::mem_drop if is_copy && !drop_is_single_call_in_arm => { - let sugg = if let Some((_, node)) = cx.tcx.hir().parent_iter(expr.hir_id).nth(0) - && let Node::Stmt(stmt) = node - && let StmtKind::Semi(e) = stmt.kind - && e.hir_id == expr.hir_id - { - DropCopySuggestion::Suggestion { - start_span: expr.span.shrink_to_lo().until(arg.span), - end_span: arg.span.shrink_to_hi().until(expr.span.shrink_to_hi()), - } - } else { - DropCopySuggestion::Note - }; - cx.emit_span_lint( DROPPING_COPY_TYPES, expr.span, - DropCopyDiag { arg_ty, label: arg.span, sugg }, + DropCopyDiag { + arg_ty, + label: arg.span, + sugg: let_underscore_ignore_sugg(), + }, ); } sym::mem_forget if is_copy => { diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index 4705bbd5bf6a..84d46ef3b65d 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -691,20 +691,7 @@ pub struct DropCopyDiag<'a> { #[label] pub label: Span, #[subdiagnostic] - pub sugg: DropCopySuggestion, -} - -#[derive(Subdiagnostic)] -pub enum DropCopySuggestion { - #[note(lint_note)] - Note, - #[multipart_suggestion(lint_suggestion, style = "verbose", applicability = "maybe-incorrect")] - Suggestion { - #[suggestion_part(code = "let _ = ")] - start_span: Span, - #[suggestion_part(code = "")] - end_span: Span, - }, + pub sugg: UseLetUnderscoreIgnoreSuggestion, } #[derive(LintDiagnostic)] From 34a1828feab6bc634e629849ad73db7042e5c8a5 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Wed, 1 May 2024 10:44:31 +1000 Subject: [PATCH 0717/1716] coverage: Add tests for the MC/DC condition limit --- tests/coverage/mcdc/condition-limit.cov-map | 162 ++++++++++++++++++ tests/coverage/mcdc/condition-limit.coverage | 76 ++++++++ tests/coverage/mcdc/condition-limit.rs | 32 ++++ .../mcdc-condition-limit.bad.stderr | 8 + .../mcdc-condition-limit.rs | 32 ++++ 5 files changed, 310 insertions(+) create mode 100644 tests/coverage/mcdc/condition-limit.cov-map create mode 100644 tests/coverage/mcdc/condition-limit.coverage create mode 100644 tests/coverage/mcdc/condition-limit.rs create mode 100644 tests/ui/instrument-coverage/mcdc-condition-limit.bad.stderr create mode 100644 tests/ui/instrument-coverage/mcdc-condition-limit.rs diff --git a/tests/coverage/mcdc/condition-limit.cov-map b/tests/coverage/mcdc/condition-limit.cov-map new file mode 100644 index 000000000000..b4447a33691a --- /dev/null +++ b/tests/coverage/mcdc/condition-limit.cov-map @@ -0,0 +1,162 @@ +Function name: condition_limit::bad +Raw bytes (204): 0x[01, 01, 2c, 01, 05, 05, 1d, 05, 1d, 7a, 19, 05, 1d, 7a, 19, 05, 1d, 76, 15, 7a, 19, 05, 1d, 76, 15, 7a, 19, 05, 1d, 72, 11, 76, 15, 7a, 19, 05, 1d, 72, 11, 76, 15, 7a, 19, 05, 1d, 6e, 0d, 72, 11, 76, 15, 7a, 19, 05, 1d, 6e, 0d, 72, 11, 76, 15, 7a, 19, 05, 1d, 9f, 01, 02, a3, 01, 1d, a7, 01, 19, ab, 01, 15, af, 01, 11, 09, 0d, 21, 9b, 01, 9f, 01, 02, a3, 01, 1d, a7, 01, 19, ab, 01, 15, af, 01, 11, 09, 0d, 11, 01, 14, 01, 03, 09, 20, 05, 02, 03, 08, 00, 09, 05, 00, 0d, 00, 0e, 20, 7a, 1d, 00, 0d, 00, 0e, 7a, 00, 12, 00, 13, 20, 76, 19, 00, 12, 00, 13, 76, 00, 17, 00, 18, 20, 72, 15, 00, 17, 00, 18, 72, 00, 1c, 00, 1d, 20, 6e, 11, 00, 1c, 00, 1d, 6e, 00, 21, 00, 22, 20, 6a, 0d, 00, 21, 00, 22, 6a, 00, 26, 00, 27, 20, 21, 09, 00, 26, 00, 27, 21, 00, 28, 02, 06, 9b, 01, 02, 06, 00, 07, 97, 01, 01, 01, 00, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 44 +- expression 0 operands: lhs = Counter(0), rhs = Counter(1) +- expression 1 operands: lhs = Counter(1), rhs = Counter(7) +- expression 2 operands: lhs = Counter(1), rhs = Counter(7) +- expression 3 operands: lhs = Expression(30, Sub), rhs = Counter(6) +- expression 4 operands: lhs = Counter(1), rhs = Counter(7) +- expression 5 operands: lhs = Expression(30, Sub), rhs = Counter(6) +- expression 6 operands: lhs = Counter(1), rhs = Counter(7) +- expression 7 operands: lhs = Expression(29, Sub), rhs = Counter(5) +- expression 8 operands: lhs = Expression(30, Sub), rhs = Counter(6) +- expression 9 operands: lhs = Counter(1), rhs = Counter(7) +- expression 10 operands: lhs = Expression(29, Sub), rhs = Counter(5) +- expression 11 operands: lhs = Expression(30, Sub), rhs = Counter(6) +- expression 12 operands: lhs = Counter(1), rhs = Counter(7) +- expression 13 operands: lhs = Expression(28, Sub), rhs = Counter(4) +- expression 14 operands: lhs = Expression(29, Sub), rhs = Counter(5) +- expression 15 operands: lhs = Expression(30, Sub), rhs = Counter(6) +- expression 16 operands: lhs = Counter(1), rhs = Counter(7) +- expression 17 operands: lhs = Expression(28, Sub), rhs = Counter(4) +- expression 18 operands: lhs = Expression(29, Sub), rhs = Counter(5) +- expression 19 operands: lhs = Expression(30, Sub), rhs = Counter(6) +- expression 20 operands: lhs = Counter(1), rhs = Counter(7) +- expression 21 operands: lhs = Expression(27, Sub), rhs = Counter(3) +- expression 22 operands: lhs = Expression(28, Sub), rhs = Counter(4) +- expression 23 operands: lhs = Expression(29, Sub), rhs = Counter(5) +- expression 24 operands: lhs = Expression(30, Sub), rhs = Counter(6) +- expression 25 operands: lhs = Counter(1), rhs = Counter(7) +- expression 26 operands: lhs = Expression(27, Sub), rhs = Counter(3) +- expression 27 operands: lhs = Expression(28, Sub), rhs = Counter(4) +- expression 28 operands: lhs = Expression(29, Sub), rhs = Counter(5) +- expression 29 operands: lhs = Expression(30, Sub), rhs = Counter(6) +- expression 30 operands: lhs = Counter(1), rhs = Counter(7) +- expression 31 operands: lhs = Expression(39, Add), rhs = Expression(0, Sub) +- expression 32 operands: lhs = Expression(40, Add), rhs = Counter(7) +- expression 33 operands: lhs = Expression(41, Add), rhs = Counter(6) +- expression 34 operands: lhs = Expression(42, Add), rhs = Counter(5) +- expression 35 operands: lhs = Expression(43, Add), rhs = Counter(4) +- expression 36 operands: lhs = Counter(2), rhs = Counter(3) +- expression 37 operands: lhs = Counter(8), rhs = Expression(38, Add) +- expression 38 operands: lhs = Expression(39, Add), rhs = Expression(0, Sub) +- expression 39 operands: lhs = Expression(40, Add), rhs = Counter(7) +- expression 40 operands: lhs = Expression(41, Add), rhs = Counter(6) +- expression 41 operands: lhs = Expression(42, Add), rhs = Counter(5) +- expression 42 operands: lhs = Expression(43, Add), rhs = Counter(4) +- expression 43 operands: lhs = Counter(2), rhs = Counter(3) +Number of file 0 mappings: 17 +- Code(Counter(0)) at (prev + 20, 1) to (start + 3, 9) +- Branch { true: Counter(1), false: Expression(0, Sub) } at (prev + 3, 8) to (start + 0, 9) + true = c1 + false = (c0 - c1) +- Code(Counter(1)) at (prev + 0, 13) to (start + 0, 14) +- Branch { true: Expression(30, Sub), false: Counter(7) } at (prev + 0, 13) to (start + 0, 14) + true = (c1 - c7) + false = c7 +- Code(Expression(30, Sub)) at (prev + 0, 18) to (start + 0, 19) + = (c1 - c7) +- Branch { true: Expression(29, Sub), false: Counter(6) } at (prev + 0, 18) to (start + 0, 19) + true = ((c1 - c7) - c6) + false = c6 +- Code(Expression(29, Sub)) at (prev + 0, 23) to (start + 0, 24) + = ((c1 - c7) - c6) +- Branch { true: Expression(28, Sub), false: Counter(5) } at (prev + 0, 23) to (start + 0, 24) + true = (((c1 - c7) - c6) - c5) + false = c5 +- Code(Expression(28, Sub)) at (prev + 0, 28) to (start + 0, 29) + = (((c1 - c7) - c6) - c5) +- Branch { true: Expression(27, Sub), false: Counter(4) } at (prev + 0, 28) to (start + 0, 29) + true = ((((c1 - c7) - c6) - c5) - c4) + false = c4 +- Code(Expression(27, Sub)) at (prev + 0, 33) to (start + 0, 34) + = ((((c1 - c7) - c6) - c5) - c4) +- Branch { true: Expression(26, Sub), false: Counter(3) } at (prev + 0, 33) to (start + 0, 34) + true = (((((c1 - c7) - c6) - c5) - c4) - c3) + false = c3 +- Code(Expression(26, Sub)) at (prev + 0, 38) to (start + 0, 39) + = (((((c1 - c7) - c6) - c5) - c4) - c3) +- Branch { true: Counter(8), false: Counter(2) } at (prev + 0, 38) to (start + 0, 39) + true = c8 + false = c2 +- Code(Counter(8)) at (prev + 0, 40) to (start + 2, 6) +- Code(Expression(38, Add)) at (prev + 2, 6) to (start + 0, 7) + = ((((((c2 + c3) + c4) + c5) + c6) + c7) + (c0 - c1)) +- Code(Expression(37, Add)) at (prev + 1, 1) to (start + 0, 2) + = (c8 + ((((((c2 + c3) + c4) + c5) + c6) + c7) + (c0 - c1))) + +Function name: condition_limit::good +Raw bytes (180): 0x[01, 01, 20, 01, 05, 05, 19, 05, 19, 52, 15, 05, 19, 52, 15, 05, 19, 4e, 11, 52, 15, 05, 19, 4e, 11, 52, 15, 05, 19, 4a, 0d, 4e, 11, 52, 15, 05, 19, 4a, 0d, 4e, 11, 52, 15, 05, 19, 73, 02, 77, 19, 7b, 15, 7f, 11, 09, 0d, 1d, 6f, 73, 02, 77, 19, 7b, 15, 7f, 11, 09, 0d, 10, 01, 0c, 01, 03, 09, 28, 00, 06, 03, 08, 00, 22, 30, 05, 02, 01, 06, 00, 00, 08, 00, 09, 05, 00, 0d, 00, 0e, 30, 52, 19, 06, 05, 00, 00, 0d, 00, 0e, 52, 00, 12, 00, 13, 30, 4e, 15, 05, 04, 00, 00, 12, 00, 13, 4e, 00, 17, 00, 18, 30, 4a, 11, 04, 03, 00, 00, 17, 00, 18, 4a, 00, 1c, 00, 1d, 30, 46, 0d, 03, 02, 00, 00, 1c, 00, 1d, 46, 00, 21, 00, 22, 30, 1d, 09, 02, 00, 00, 00, 21, 00, 22, 1d, 00, 23, 02, 06, 6f, 02, 06, 00, 07, 6b, 01, 01, 00, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 32 +- expression 0 operands: lhs = Counter(0), rhs = Counter(1) +- expression 1 operands: lhs = Counter(1), rhs = Counter(6) +- expression 2 operands: lhs = Counter(1), rhs = Counter(6) +- expression 3 operands: lhs = Expression(20, Sub), rhs = Counter(5) +- expression 4 operands: lhs = Counter(1), rhs = Counter(6) +- expression 5 operands: lhs = Expression(20, Sub), rhs = Counter(5) +- expression 6 operands: lhs = Counter(1), rhs = Counter(6) +- expression 7 operands: lhs = Expression(19, Sub), rhs = Counter(4) +- expression 8 operands: lhs = Expression(20, Sub), rhs = Counter(5) +- expression 9 operands: lhs = Counter(1), rhs = Counter(6) +- expression 10 operands: lhs = Expression(19, Sub), rhs = Counter(4) +- expression 11 operands: lhs = Expression(20, Sub), rhs = Counter(5) +- expression 12 operands: lhs = Counter(1), rhs = Counter(6) +- expression 13 operands: lhs = Expression(18, Sub), rhs = Counter(3) +- expression 14 operands: lhs = Expression(19, Sub), rhs = Counter(4) +- expression 15 operands: lhs = Expression(20, Sub), rhs = Counter(5) +- expression 16 operands: lhs = Counter(1), rhs = Counter(6) +- expression 17 operands: lhs = Expression(18, Sub), rhs = Counter(3) +- expression 18 operands: lhs = Expression(19, Sub), rhs = Counter(4) +- expression 19 operands: lhs = Expression(20, Sub), rhs = Counter(5) +- expression 20 operands: lhs = Counter(1), rhs = Counter(6) +- expression 21 operands: lhs = Expression(28, Add), rhs = Expression(0, Sub) +- expression 22 operands: lhs = Expression(29, Add), rhs = Counter(6) +- expression 23 operands: lhs = Expression(30, Add), rhs = Counter(5) +- expression 24 operands: lhs = Expression(31, Add), rhs = Counter(4) +- expression 25 operands: lhs = Counter(2), rhs = Counter(3) +- expression 26 operands: lhs = Counter(7), rhs = Expression(27, Add) +- expression 27 operands: lhs = Expression(28, Add), rhs = Expression(0, Sub) +- expression 28 operands: lhs = Expression(29, Add), rhs = Counter(6) +- expression 29 operands: lhs = Expression(30, Add), rhs = Counter(5) +- expression 30 operands: lhs = Expression(31, Add), rhs = Counter(4) +- expression 31 operands: lhs = Counter(2), rhs = Counter(3) +Number of file 0 mappings: 16 +- Code(Counter(0)) at (prev + 12, 1) to (start + 3, 9) +- MCDCDecision { bitmap_idx: 0, conditions_num: 6 } at (prev + 3, 8) to (start + 0, 34) +- MCDCBranch { true: Counter(1), false: Expression(0, Sub), condition_id: 1, true_next_id: 6, false_next_id: 0 } at (prev + 0, 8) to (start + 0, 9) + true = c1 + false = (c0 - c1) +- Code(Counter(1)) at (prev + 0, 13) to (start + 0, 14) +- MCDCBranch { true: Expression(20, Sub), false: Counter(6), condition_id: 6, true_next_id: 5, false_next_id: 0 } at (prev + 0, 13) to (start + 0, 14) + true = (c1 - c6) + false = c6 +- Code(Expression(20, Sub)) at (prev + 0, 18) to (start + 0, 19) + = (c1 - c6) +- MCDCBranch { true: Expression(19, Sub), false: Counter(5), condition_id: 5, true_next_id: 4, false_next_id: 0 } at (prev + 0, 18) to (start + 0, 19) + true = ((c1 - c6) - c5) + false = c5 +- Code(Expression(19, Sub)) at (prev + 0, 23) to (start + 0, 24) + = ((c1 - c6) - c5) +- MCDCBranch { true: Expression(18, Sub), false: Counter(4), condition_id: 4, true_next_id: 3, false_next_id: 0 } at (prev + 0, 23) to (start + 0, 24) + true = (((c1 - c6) - c5) - c4) + false = c4 +- Code(Expression(18, Sub)) at (prev + 0, 28) to (start + 0, 29) + = (((c1 - c6) - c5) - c4) +- MCDCBranch { true: Expression(17, Sub), false: Counter(3), condition_id: 3, true_next_id: 2, false_next_id: 0 } at (prev + 0, 28) to (start + 0, 29) + true = ((((c1 - c6) - c5) - c4) - c3) + false = c3 +- Code(Expression(17, Sub)) at (prev + 0, 33) to (start + 0, 34) + = ((((c1 - c6) - c5) - c4) - c3) +- MCDCBranch { true: Counter(7), false: Counter(2), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 33) to (start + 0, 34) + true = c7 + false = c2 +- Code(Counter(7)) at (prev + 0, 35) to (start + 2, 6) +- Code(Expression(27, Add)) at (prev + 2, 6) to (start + 0, 7) + = (((((c2 + c3) + c4) + c5) + c6) + (c0 - c1)) +- Code(Expression(26, Add)) at (prev + 1, 1) to (start + 0, 2) + = (c7 + (((((c2 + c3) + c4) + c5) + c6) + (c0 - c1))) + diff --git a/tests/coverage/mcdc/condition-limit.coverage b/tests/coverage/mcdc/condition-limit.coverage new file mode 100644 index 000000000000..4eb87432fab4 --- /dev/null +++ b/tests/coverage/mcdc/condition-limit.coverage @@ -0,0 +1,76 @@ + LL| |#![feature(coverage_attribute)] + LL| |//@ edition: 2021 + LL| |//@ min-llvm-version: 18 + LL| |//@ compile-flags: -Zcoverage-options=mcdc + LL| |//@ llvm-cov-flags: --show-branches=count --show-mcdc + LL| | + LL| |// Check that MC/DC instrumentation can gracefully handle conditions that + LL| |// exceed LLVM's limit of 6 conditions per decision. + LL| |// + LL| |// (The limit is enforced in `compiler/rustc_mir_build/src/build/coverageinfo/mcdc.rs`.) + LL| | + LL| 1|fn good() { + LL| 1| // With only 6 conditions, perform full MC/DC instrumentation. + LL| 1| let [a, b, c, d, e, f] = <[bool; 6]>::default(); + LL| 1| if a && b && c && d && e && f { + ^0 ^0 ^0 ^0 ^0 + ------------------ + | Branch (LL:8): [True: 0, False: 1] + | Branch (LL:13): [True: 0, False: 0] + | Branch (LL:18): [True: 0, False: 0] + | Branch (LL:23): [True: 0, False: 0] + | Branch (LL:28): [True: 0, False: 0] + | Branch (LL:33): [True: 0, False: 0] + ------------------ + |---> MC/DC Decision Region (LL:8) to (LL:34) + | + | Number of Conditions: 6 + | Condition C1 --> (LL:8) + | Condition C2 --> (LL:13) + | Condition C3 --> (LL:18) + | Condition C4 --> (LL:23) + | Condition C5 --> (LL:28) + | Condition C6 --> (LL:33) + | + | Executed MC/DC Test Vectors: + | + | C1, C2, C3, C4, C5, C6 Result + | 1 { F, -, -, -, -, - = F } + | + | C1-Pair: not covered + | C2-Pair: not covered + | C3-Pair: not covered + | C4-Pair: not covered + | C5-Pair: not covered + | C6-Pair: not covered + | MC/DC Coverage for Decision: 0.00% + | + ------------------ + LL| 0| core::hint::black_box("hello"); + LL| 1| } + LL| 1|} + LL| | + LL| 1|fn bad() { + LL| 1| // With 7 conditions, fall back to branch instrumentation only. + LL| 1| let [a, b, c, d, e, f, g] = <[bool; 7]>::default(); + LL| 1| if a && b && c && d && e && f && g { + ^0 ^0 ^0 ^0 ^0 ^0 + ------------------ + | Branch (LL:8): [True: 0, False: 1] + | Branch (LL:13): [True: 0, False: 0] + | Branch (LL:18): [True: 0, False: 0] + | Branch (LL:23): [True: 0, False: 0] + | Branch (LL:28): [True: 0, False: 0] + | Branch (LL:33): [True: 0, False: 0] + | Branch (LL:38): [True: 0, False: 0] + ------------------ + LL| 0| core::hint::black_box("hello"); + LL| 1| } + LL| 1|} + LL| | + LL| |#[coverage(off)] + LL| |fn main() { + LL| | good(); + LL| | bad(); + LL| |} + diff --git a/tests/coverage/mcdc/condition-limit.rs b/tests/coverage/mcdc/condition-limit.rs new file mode 100644 index 000000000000..571c600ebd09 --- /dev/null +++ b/tests/coverage/mcdc/condition-limit.rs @@ -0,0 +1,32 @@ +#![feature(coverage_attribute)] +//@ edition: 2021 +//@ min-llvm-version: 18 +//@ compile-flags: -Zcoverage-options=mcdc +//@ llvm-cov-flags: --show-branches=count --show-mcdc + +// Check that MC/DC instrumentation can gracefully handle conditions that +// exceed LLVM's limit of 6 conditions per decision. +// +// (The limit is enforced in `compiler/rustc_mir_build/src/build/coverageinfo/mcdc.rs`.) + +fn good() { + // With only 6 conditions, perform full MC/DC instrumentation. + let [a, b, c, d, e, f] = <[bool; 6]>::default(); + if a && b && c && d && e && f { + core::hint::black_box("hello"); + } +} + +fn bad() { + // With 7 conditions, fall back to branch instrumentation only. + let [a, b, c, d, e, f, g] = <[bool; 7]>::default(); + if a && b && c && d && e && f && g { + core::hint::black_box("hello"); + } +} + +#[coverage(off)] +fn main() { + good(); + bad(); +} diff --git a/tests/ui/instrument-coverage/mcdc-condition-limit.bad.stderr b/tests/ui/instrument-coverage/mcdc-condition-limit.bad.stderr new file mode 100644 index 000000000000..4d8d7e1560d0 --- /dev/null +++ b/tests/ui/instrument-coverage/mcdc-condition-limit.bad.stderr @@ -0,0 +1,8 @@ +warning: Conditions number of the decision (7) exceeds limit (6). MCDC analysis will not count this expression. + --> $DIR/mcdc-condition-limit.rs:29:8 + | +LL | if a && b && c && d && e && f && g { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +warning: 1 warning emitted + diff --git a/tests/ui/instrument-coverage/mcdc-condition-limit.rs b/tests/ui/instrument-coverage/mcdc-condition-limit.rs new file mode 100644 index 000000000000..64c5f8e9b779 --- /dev/null +++ b/tests/ui/instrument-coverage/mcdc-condition-limit.rs @@ -0,0 +1,32 @@ +//@ edition: 2021 +//@ min-llvm-version: 18 +//@ revisions: good bad +//@ check-pass +//@ compile-flags: -Cinstrument-coverage -Zcoverage-options=mcdc -Zno-profiler-runtime + +// Check that we emit some kind of diagnostic when MC/DC instrumentation sees +// code that exceeds the limit of 6 conditions per decision, and falls back +// to only instrumenting that code for branch coverage. +// +// See also `tests/coverage/mcdc/condition-limit.rs`, which tests the actual +// effect on instrumentation. +// +// (The limit is enforced in `compiler/rustc_mir_build/src/build/coverageinfo/mcdc.rs`.) + +#[cfg(good)] +fn main() { + // 6 conditions is OK, so no diagnostic. + let [a, b, c, d, e, f] = <[bool; 6]>::default(); + if a && b && c && d && e && f { + core::hint::black_box("hello"); + } +} + +#[cfg(bad)] +fn main() { + // 7 conditions is too many, so issue a diagnostic. + let [a, b, c, d, e, f, g] = <[bool; 7]>::default(); + if a && b && c && d && e && f && g { //[bad]~ WARNING Conditions number of the decision + core::hint::black_box("hello"); + } +} From bb865cb83f835a746db13bc6d186f22464f80fb6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?R=C3=A9my=20Rakic?= Date: Wed, 29 May 2024 10:37:21 +0000 Subject: [PATCH 0718/1716] remove unneeded extern crate in rmake test --- tests/run-make/rust-lld-by-default/rmake.rs | 2 -- 1 file changed, 2 deletions(-) diff --git a/tests/run-make/rust-lld-by-default/rmake.rs b/tests/run-make/rust-lld-by-default/rmake.rs index 876968727f3c..6a8dae1043e3 100644 --- a/tests/run-make/rust-lld-by-default/rmake.rs +++ b/tests/run-make/rust-lld-by-default/rmake.rs @@ -4,8 +4,6 @@ //@ needs-rust-lld //@ only-x86_64-unknown-linux-gnu -extern crate run_make_support; - use run_make_support::regex::Regex; use run_make_support::rustc; use std::process::Output; From 268b9a74e38595c5ee71d7bb9152ee1a3bbf9242 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Wed, 29 May 2024 21:12:47 +1000 Subject: [PATCH 0719/1716] Extract coverage-specific code out of `compiletest::runtest` This moves a few hundred lines of coverage-specific code out of the main module, making navigation a bit easier. --- src/tools/compiletest/src/runtest.rs | 363 +---------------- src/tools/compiletest/src/runtest/coverage.rs | 367 ++++++++++++++++++ src/tools/compiletest/src/runtest/tests.rs | 68 ---- 3 files changed, 372 insertions(+), 426 deletions(-) create mode 100644 src/tools/compiletest/src/runtest/coverage.rs diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs index e8ceff847224..910a829fbea1 100644 --- a/src/tools/compiletest/src/runtest.rs +++ b/src/tools/compiletest/src/runtest.rs @@ -9,7 +9,7 @@ use crate::common::{Codegen, CodegenUnits, DebugInfo, Debugger, Rustdoc}; use crate::common::{CompareMode, FailMode, PassMode}; use crate::common::{Config, TestPaths}; use crate::common::{CoverageMap, CoverageRun, Pretty, RunPassValgrind}; -use crate::common::{UI_COVERAGE, UI_COVERAGE_MAP, UI_RUN_STDERR, UI_RUN_STDOUT}; +use crate::common::{UI_RUN_STDERR, UI_RUN_STDOUT}; use crate::compute_diff::{write_diff, write_filtered_diff}; use crate::errors::{self, Error, ErrorKind}; use crate::header::TestProps; @@ -41,6 +41,7 @@ use tracing::*; use crate::extract_gdb_version; use crate::is_android_gdb_target; +mod coverage; mod debugger; use debugger::DebuggerCommands; @@ -53,6 +54,7 @@ macro_rules! static_regex { RE.get_or_init(|| ::regex::Regex::new($re).unwrap()) }}; } +use static_regex; const FAKE_SRC_BASE: &str = "fake-test-src-base"; @@ -267,8 +269,8 @@ impl<'test> TestCx<'test> { MirOpt => self.run_mir_opt_test(), Assembly => self.run_assembly_test(), JsDocTest => self.run_js_doc_test(), - CoverageMap => self.run_coverage_map_test(), - CoverageRun => self.run_coverage_run_test(), + CoverageMap => self.run_coverage_map_test(), // see self::coverage + CoverageRun => self.run_coverage_run_test(), // see self::coverage Crashes => self.run_crash_test(), } } @@ -504,224 +506,6 @@ impl<'test> TestCx<'test> { } } - fn run_coverage_map_test(&self) { - let Some(coverage_dump_path) = &self.config.coverage_dump_path else { - self.fatal("missing --coverage-dump"); - }; - - let (proc_res, llvm_ir_path) = self.compile_test_and_save_ir(); - if !proc_res.status.success() { - self.fatal_proc_rec("compilation failed!", &proc_res); - } - drop(proc_res); - - let mut dump_command = Command::new(coverage_dump_path); - dump_command.arg(llvm_ir_path); - let proc_res = self.run_command_to_procres(&mut dump_command); - if !proc_res.status.success() { - self.fatal_proc_rec("coverage-dump failed!", &proc_res); - } - - let kind = UI_COVERAGE_MAP; - - let expected_coverage_dump = self.load_expected_output(kind); - let actual_coverage_dump = self.normalize_output(&proc_res.stdout, &[]); - - let coverage_dump_errors = - self.compare_output(kind, &actual_coverage_dump, &expected_coverage_dump); - - if coverage_dump_errors > 0 { - self.fatal_proc_rec( - &format!("{coverage_dump_errors} errors occurred comparing coverage output."), - &proc_res, - ); - } - } - - fn run_coverage_run_test(&self) { - let should_run = self.run_if_enabled(); - let proc_res = self.compile_test(should_run, Emit::None); - - if !proc_res.status.success() { - self.fatal_proc_rec("compilation failed!", &proc_res); - } - drop(proc_res); - - if let WillExecute::Disabled = should_run { - return; - } - - let profraw_path = self.output_base_dir().join("default.profraw"); - let profdata_path = self.output_base_dir().join("default.profdata"); - - // Delete any existing profraw/profdata files to rule out unintended - // interference between repeated test runs. - if profraw_path.exists() { - std::fs::remove_file(&profraw_path).unwrap(); - } - if profdata_path.exists() { - std::fs::remove_file(&profdata_path).unwrap(); - } - - let proc_res = self.exec_compiled_test_general( - &[("LLVM_PROFILE_FILE", &profraw_path.to_str().unwrap())], - false, - ); - if self.props.failure_status.is_some() { - self.check_correct_failure_status(&proc_res); - } else if !proc_res.status.success() { - self.fatal_proc_rec("test run failed!", &proc_res); - } - drop(proc_res); - - let mut profraw_paths = vec![profraw_path]; - let mut bin_paths = vec![self.make_exe_name()]; - - if self.config.suite == "coverage-run-rustdoc" { - self.run_doctests_for_coverage(&mut profraw_paths, &mut bin_paths); - } - - // Run `llvm-profdata merge` to index the raw coverage output. - let proc_res = self.run_llvm_tool("llvm-profdata", |cmd| { - cmd.args(["merge", "--sparse", "--output"]); - cmd.arg(&profdata_path); - cmd.args(&profraw_paths); - }); - if !proc_res.status.success() { - self.fatal_proc_rec("llvm-profdata merge failed!", &proc_res); - } - drop(proc_res); - - // Run `llvm-cov show` to produce a coverage report in text format. - let proc_res = self.run_llvm_tool("llvm-cov", |cmd| { - cmd.args(["show", "--format=text", "--show-line-counts-or-regions"]); - - cmd.arg("--Xdemangler"); - cmd.arg(self.config.rust_demangler_path.as_ref().unwrap()); - - cmd.arg("--instr-profile"); - cmd.arg(&profdata_path); - - for bin in &bin_paths { - cmd.arg("--object"); - cmd.arg(bin); - } - - cmd.args(&self.props.llvm_cov_flags); - }); - if !proc_res.status.success() { - self.fatal_proc_rec("llvm-cov show failed!", &proc_res); - } - - let kind = UI_COVERAGE; - - let expected_coverage = self.load_expected_output(kind); - let normalized_actual_coverage = - self.normalize_coverage_output(&proc_res.stdout).unwrap_or_else(|err| { - self.fatal_proc_rec(&err, &proc_res); - }); - - let coverage_errors = - self.compare_output(kind, &normalized_actual_coverage, &expected_coverage); - - if coverage_errors > 0 { - self.fatal_proc_rec( - &format!("{} errors occurred comparing coverage output.", coverage_errors), - &proc_res, - ); - } - } - - /// Run any doctests embedded in this test file, and add any resulting - /// `.profraw` files and doctest executables to the given vectors. - fn run_doctests_for_coverage( - &self, - profraw_paths: &mut Vec, - bin_paths: &mut Vec, - ) { - // Put .profraw files and doctest executables in dedicated directories, - // to make it easier to glob them all later. - let profraws_dir = self.output_base_dir().join("doc_profraws"); - let bins_dir = self.output_base_dir().join("doc_bins"); - - // Remove existing directories to prevent cross-run interference. - if profraws_dir.try_exists().unwrap() { - std::fs::remove_dir_all(&profraws_dir).unwrap(); - } - if bins_dir.try_exists().unwrap() { - std::fs::remove_dir_all(&bins_dir).unwrap(); - } - - let mut rustdoc_cmd = - Command::new(self.config.rustdoc_path.as_ref().expect("--rustdoc-path not passed")); - - // In general there will be multiple doctest binaries running, so we - // tell the profiler runtime to write their coverage data into separate - // profraw files. - rustdoc_cmd.env("LLVM_PROFILE_FILE", profraws_dir.join("%p-%m.profraw")); - - rustdoc_cmd.args(["--test", "-Cinstrument-coverage"]); - - // Without this, the doctests complain about not being able to find - // their enclosing file's crate for some reason. - rustdoc_cmd.args(["--crate-name", "workaround_for_79771"]); - - // Persist the doctest binaries so that `llvm-cov show` can read their - // embedded coverage mappings later. - rustdoc_cmd.arg("-Zunstable-options"); - rustdoc_cmd.arg("--persist-doctests"); - rustdoc_cmd.arg(&bins_dir); - - rustdoc_cmd.arg("-L"); - rustdoc_cmd.arg(self.aux_output_dir_name()); - - rustdoc_cmd.arg(&self.testpaths.file); - - let proc_res = self.compose_and_run_compiler(rustdoc_cmd, None); - if !proc_res.status.success() { - self.fatal_proc_rec("rustdoc --test failed!", &proc_res) - } - - fn glob_iter(path: impl AsRef) -> impl Iterator { - let path_str = path.as_ref().to_str().unwrap(); - let iter = glob(path_str).unwrap(); - iter.map(Result::unwrap) - } - - // Find all profraw files in the profraw directory. - for p in glob_iter(profraws_dir.join("*.profraw")) { - profraw_paths.push(p); - } - // Find all executables in the `--persist-doctests` directory, while - // avoiding other file types (e.g. `.pdb` on Windows). This doesn't - // need to be perfect, as long as it can handle the files actually - // produced by `rustdoc --test`. - for p in glob_iter(bins_dir.join("**/*")) { - let is_bin = p.is_file() - && match p.extension() { - None => true, - Some(ext) => ext == OsStr::new("exe"), - }; - if is_bin { - bin_paths.push(p); - } - } - } - - fn run_llvm_tool(&self, name: &str, configure_cmd_fn: impl FnOnce(&mut Command)) -> ProcRes { - let tool_path = self - .config - .llvm_bin_dir - .as_ref() - .expect("this test expects the LLVM bin dir to be available") - .join(name); - - let mut cmd = Command::new(tool_path); - configure_cmd_fn(&mut cmd); - - self.run_command_to_procres(&mut cmd) - } - fn run_command_to_procres(&self, cmd: &mut Command) -> ProcRes { let output = cmd.output().unwrap_or_else(|e| panic!("failed to exec `{cmd:?}`: {e:?}")); @@ -737,143 +521,6 @@ impl<'test> TestCx<'test> { proc_res } - fn normalize_coverage_output(&self, coverage: &str) -> Result { - let normalized = self.normalize_output(coverage, &[]); - let normalized = Self::anonymize_coverage_line_numbers(&normalized); - - let mut lines = normalized.lines().collect::>(); - - Self::sort_coverage_file_sections(&mut lines)?; - Self::sort_coverage_subviews(&mut lines)?; - - let joined_lines = lines.iter().flat_map(|line| [line, "\n"]).collect::(); - Ok(joined_lines) - } - - /// Replace line numbers in coverage reports with the placeholder `LL`, - /// so that the tests are less sensitive to lines being added/removed. - fn anonymize_coverage_line_numbers(coverage: &str) -> String { - // The coverage reporter prints line numbers at the start of a line. - // They are truncated or left-padded to occupy exactly 5 columns. - // (`LineNumberColumnWidth` in `SourceCoverageViewText.cpp`.) - // A pipe character `|` appears immediately after the final digit. - // - // Line numbers that appear inside expansion/instantiation subviews - // have an additional prefix of ` |` for each nesting level. - // - // Branch views also include the relevant line number, so we want to - // redact those too. (These line numbers don't have padding.) - // - // Note: The pattern `(?m:^)` matches the start of a line. - - // ` 1|` => ` LL|` - // ` 10|` => ` LL|` - // ` 100|` => ` LL|` - // ` | 1000|` => ` | LL|` - // ` | | 1000|` => ` | | LL|` - let coverage = static_regex!(r"(?m:^)(?(?: \|)*) *[0-9]+\|") - .replace_all(&coverage, "${prefix} LL|"); - - // ` | Branch (1:` => ` | Branch (LL:` - // ` | | Branch (10:` => ` | | Branch (LL:` - let coverage = static_regex!(r"(?m:^)(?(?: \|)+ Branch \()[0-9]+:") - .replace_all(&coverage, "${prefix}LL:"); - - // ` |---> MC/DC Decision Region (1:30) to (2:` => ` |---> MC/DC Decision Region (LL:30) to (LL:` - let coverage = - static_regex!(r"(?m:^)(?(?: \|)+---> MC/DC Decision Region \()[0-9]+:(?[0-9]+\) to \()[0-9]+:") - .replace_all(&coverage, "${prefix}LL:${middle}LL:"); - - // ` | Condition C1 --> (1:` => ` | Condition C1 --> (LL:` - let coverage = - static_regex!(r"(?m:^)(?(?: \|)+ Condition C[0-9]+ --> \()[0-9]+:") - .replace_all(&coverage, "${prefix}LL:"); - - coverage.into_owned() - } - - /// Coverage reports can describe multiple source files, separated by - /// blank lines. The order of these files is unpredictable (since it - /// depends on implementation details), so we need to sort the file - /// sections into a consistent order before comparing against a snapshot. - fn sort_coverage_file_sections(coverage_lines: &mut Vec<&str>) -> Result<(), String> { - // Group the lines into file sections, separated by blank lines. - let mut sections = coverage_lines.split(|line| line.is_empty()).collect::>(); - - // The last section should be empty, representing an extra trailing blank line. - if !sections.last().is_some_and(|last| last.is_empty()) { - return Err("coverage report should end with an extra blank line".to_owned()); - } - - // Sort the file sections (not including the final empty "section"). - let except_last = sections.len() - 1; - (&mut sections[..except_last]).sort(); - - // Join the file sections back into a flat list of lines, with - // sections separated by blank lines. - let joined = sections.join(&[""] as &[_]); - assert_eq!(joined.len(), coverage_lines.len()); - *coverage_lines = joined; - - Ok(()) - } - - fn sort_coverage_subviews(coverage_lines: &mut Vec<&str>) -> Result<(), String> { - let mut output_lines = Vec::new(); - - // We accumulate a list of zero or more "subviews", where each - // subview is a list of one or more lines. - let mut subviews: Vec> = Vec::new(); - - fn flush<'a>(subviews: &mut Vec>, output_lines: &mut Vec<&'a str>) { - if subviews.is_empty() { - return; - } - - // Take and clear the list of accumulated subviews. - let mut subviews = std::mem::take(subviews); - - // The last "subview" should be just a boundary line on its own, - // so exclude it when sorting the other subviews. - let except_last = subviews.len() - 1; - (&mut subviews[..except_last]).sort(); - - for view in subviews { - for line in view { - output_lines.push(line); - } - } - } - - for (line, line_num) in coverage_lines.iter().zip(1..) { - if line.starts_with(" ------------------") { - // This is a subview boundary line, so start a new subview. - subviews.push(vec![line]); - } else if line.starts_with(" |") { - // Add this line to the current subview. - subviews - .last_mut() - .ok_or(format!( - "unexpected subview line outside of a subview on line {line_num}" - ))? - .push(line); - } else { - // This line is not part of a subview, so sort and print any - // accumulated subviews, and then print the line as-is. - flush(&mut subviews, &mut output_lines); - output_lines.push(line); - } - } - - flush(&mut subviews, &mut output_lines); - assert!(subviews.is_empty()); - - assert_eq!(output_lines.len(), coverage_lines.len()); - *coverage_lines = output_lines; - - Ok(()) - } - fn run_pretty_test(&self) { if self.props.pp_exact.is_some() { logv(self.config, "testing for exact pretty-printing".to_owned()); diff --git a/src/tools/compiletest/src/runtest/coverage.rs b/src/tools/compiletest/src/runtest/coverage.rs new file mode 100644 index 000000000000..dad3fb301333 --- /dev/null +++ b/src/tools/compiletest/src/runtest/coverage.rs @@ -0,0 +1,367 @@ +//! Code specific to the coverage test suites. + +use std::ffi::OsStr; +use std::path::{Path, PathBuf}; +use std::process::Command; + +use glob::glob; + +use crate::common::{UI_COVERAGE, UI_COVERAGE_MAP}; +use crate::runtest::{static_regex, Emit, ProcRes, TestCx, WillExecute}; + +impl<'test> TestCx<'test> { + pub(crate) fn run_coverage_map_test(&self) { + let Some(coverage_dump_path) = &self.config.coverage_dump_path else { + self.fatal("missing --coverage-dump"); + }; + + let (proc_res, llvm_ir_path) = self.compile_test_and_save_ir(); + if !proc_res.status.success() { + self.fatal_proc_rec("compilation failed!", &proc_res); + } + drop(proc_res); + + let mut dump_command = Command::new(coverage_dump_path); + dump_command.arg(llvm_ir_path); + let proc_res = self.run_command_to_procres(&mut dump_command); + if !proc_res.status.success() { + self.fatal_proc_rec("coverage-dump failed!", &proc_res); + } + + let kind = UI_COVERAGE_MAP; + + let expected_coverage_dump = self.load_expected_output(kind); + let actual_coverage_dump = self.normalize_output(&proc_res.stdout, &[]); + + let coverage_dump_errors = + self.compare_output(kind, &actual_coverage_dump, &expected_coverage_dump); + + if coverage_dump_errors > 0 { + self.fatal_proc_rec( + &format!("{coverage_dump_errors} errors occurred comparing coverage output."), + &proc_res, + ); + } + } + + pub(crate) fn run_coverage_run_test(&self) { + let should_run = self.run_if_enabled(); + let proc_res = self.compile_test(should_run, Emit::None); + + if !proc_res.status.success() { + self.fatal_proc_rec("compilation failed!", &proc_res); + } + drop(proc_res); + + if let WillExecute::Disabled = should_run { + return; + } + + let profraw_path = self.output_base_dir().join("default.profraw"); + let profdata_path = self.output_base_dir().join("default.profdata"); + + // Delete any existing profraw/profdata files to rule out unintended + // interference between repeated test runs. + if profraw_path.exists() { + std::fs::remove_file(&profraw_path).unwrap(); + } + if profdata_path.exists() { + std::fs::remove_file(&profdata_path).unwrap(); + } + + let proc_res = self.exec_compiled_test_general( + &[("LLVM_PROFILE_FILE", &profraw_path.to_str().unwrap())], + false, + ); + if self.props.failure_status.is_some() { + self.check_correct_failure_status(&proc_res); + } else if !proc_res.status.success() { + self.fatal_proc_rec("test run failed!", &proc_res); + } + drop(proc_res); + + let mut profraw_paths = vec![profraw_path]; + let mut bin_paths = vec![self.make_exe_name()]; + + if self.config.suite == "coverage-run-rustdoc" { + self.run_doctests_for_coverage(&mut profraw_paths, &mut bin_paths); + } + + // Run `llvm-profdata merge` to index the raw coverage output. + let proc_res = self.run_llvm_tool("llvm-profdata", |cmd| { + cmd.args(["merge", "--sparse", "--output"]); + cmd.arg(&profdata_path); + cmd.args(&profraw_paths); + }); + if !proc_res.status.success() { + self.fatal_proc_rec("llvm-profdata merge failed!", &proc_res); + } + drop(proc_res); + + // Run `llvm-cov show` to produce a coverage report in text format. + let proc_res = self.run_llvm_tool("llvm-cov", |cmd| { + cmd.args(["show", "--format=text", "--show-line-counts-or-regions"]); + + cmd.arg("--Xdemangler"); + cmd.arg(self.config.rust_demangler_path.as_ref().unwrap()); + + cmd.arg("--instr-profile"); + cmd.arg(&profdata_path); + + for bin in &bin_paths { + cmd.arg("--object"); + cmd.arg(bin); + } + + cmd.args(&self.props.llvm_cov_flags); + }); + if !proc_res.status.success() { + self.fatal_proc_rec("llvm-cov show failed!", &proc_res); + } + + let kind = UI_COVERAGE; + + let expected_coverage = self.load_expected_output(kind); + let normalized_actual_coverage = + self.normalize_coverage_output(&proc_res.stdout).unwrap_or_else(|err| { + self.fatal_proc_rec(&err, &proc_res); + }); + + let coverage_errors = + self.compare_output(kind, &normalized_actual_coverage, &expected_coverage); + + if coverage_errors > 0 { + self.fatal_proc_rec( + &format!("{} errors occurred comparing coverage output.", coverage_errors), + &proc_res, + ); + } + } + + /// Run any doctests embedded in this test file, and add any resulting + /// `.profraw` files and doctest executables to the given vectors. + fn run_doctests_for_coverage( + &self, + profraw_paths: &mut Vec, + bin_paths: &mut Vec, + ) { + // Put .profraw files and doctest executables in dedicated directories, + // to make it easier to glob them all later. + let profraws_dir = self.output_base_dir().join("doc_profraws"); + let bins_dir = self.output_base_dir().join("doc_bins"); + + // Remove existing directories to prevent cross-run interference. + if profraws_dir.try_exists().unwrap() { + std::fs::remove_dir_all(&profraws_dir).unwrap(); + } + if bins_dir.try_exists().unwrap() { + std::fs::remove_dir_all(&bins_dir).unwrap(); + } + + let mut rustdoc_cmd = + Command::new(self.config.rustdoc_path.as_ref().expect("--rustdoc-path not passed")); + + // In general there will be multiple doctest binaries running, so we + // tell the profiler runtime to write their coverage data into separate + // profraw files. + rustdoc_cmd.env("LLVM_PROFILE_FILE", profraws_dir.join("%p-%m.profraw")); + + rustdoc_cmd.args(["--test", "-Cinstrument-coverage"]); + + // Without this, the doctests complain about not being able to find + // their enclosing file's crate for some reason. + rustdoc_cmd.args(["--crate-name", "workaround_for_79771"]); + + // Persist the doctest binaries so that `llvm-cov show` can read their + // embedded coverage mappings later. + rustdoc_cmd.arg("-Zunstable-options"); + rustdoc_cmd.arg("--persist-doctests"); + rustdoc_cmd.arg(&bins_dir); + + rustdoc_cmd.arg("-L"); + rustdoc_cmd.arg(self.aux_output_dir_name()); + + rustdoc_cmd.arg(&self.testpaths.file); + + let proc_res = self.compose_and_run_compiler(rustdoc_cmd, None); + if !proc_res.status.success() { + self.fatal_proc_rec("rustdoc --test failed!", &proc_res) + } + + fn glob_iter(path: impl AsRef) -> impl Iterator { + let path_str = path.as_ref().to_str().unwrap(); + let iter = glob(path_str).unwrap(); + iter.map(Result::unwrap) + } + + // Find all profraw files in the profraw directory. + for p in glob_iter(profraws_dir.join("*.profraw")) { + profraw_paths.push(p); + } + // Find all executables in the `--persist-doctests` directory, while + // avoiding other file types (e.g. `.pdb` on Windows). This doesn't + // need to be perfect, as long as it can handle the files actually + // produced by `rustdoc --test`. + for p in glob_iter(bins_dir.join("**/*")) { + let is_bin = p.is_file() + && match p.extension() { + None => true, + Some(ext) => ext == OsStr::new("exe"), + }; + if is_bin { + bin_paths.push(p); + } + } + } + + fn run_llvm_tool(&self, name: &str, configure_cmd_fn: impl FnOnce(&mut Command)) -> ProcRes { + let tool_path = self + .config + .llvm_bin_dir + .as_ref() + .expect("this test expects the LLVM bin dir to be available") + .join(name); + + let mut cmd = Command::new(tool_path); + configure_cmd_fn(&mut cmd); + + self.run_command_to_procres(&mut cmd) + } + + fn normalize_coverage_output(&self, coverage: &str) -> Result { + let normalized = self.normalize_output(coverage, &[]); + let normalized = Self::anonymize_coverage_line_numbers(&normalized); + + let mut lines = normalized.lines().collect::>(); + + Self::sort_coverage_file_sections(&mut lines)?; + Self::sort_coverage_subviews(&mut lines)?; + + let joined_lines = lines.iter().flat_map(|line| [line, "\n"]).collect::(); + Ok(joined_lines) + } + + /// Replace line numbers in coverage reports with the placeholder `LL`, + /// so that the tests are less sensitive to lines being added/removed. + fn anonymize_coverage_line_numbers(coverage: &str) -> String { + // The coverage reporter prints line numbers at the start of a line. + // They are truncated or left-padded to occupy exactly 5 columns. + // (`LineNumberColumnWidth` in `SourceCoverageViewText.cpp`.) + // A pipe character `|` appears immediately after the final digit. + // + // Line numbers that appear inside expansion/instantiation subviews + // have an additional prefix of ` |` for each nesting level. + // + // Branch views also include the relevant line number, so we want to + // redact those too. (These line numbers don't have padding.) + // + // Note: The pattern `(?m:^)` matches the start of a line. + + // ` 1|` => ` LL|` + // ` 10|` => ` LL|` + // ` 100|` => ` LL|` + // ` | 1000|` => ` | LL|` + // ` | | 1000|` => ` | | LL|` + let coverage = static_regex!(r"(?m:^)(?(?: \|)*) *[0-9]+\|") + .replace_all(&coverage, "${prefix} LL|"); + + // ` | Branch (1:` => ` | Branch (LL:` + // ` | | Branch (10:` => ` | | Branch (LL:` + let coverage = static_regex!(r"(?m:^)(?(?: \|)+ Branch \()[0-9]+:") + .replace_all(&coverage, "${prefix}LL:"); + + // ` |---> MC/DC Decision Region (1:30) to (2:` => ` |---> MC/DC Decision Region (LL:30) to (LL:` + let coverage = + static_regex!(r"(?m:^)(?(?: \|)+---> MC/DC Decision Region \()[0-9]+:(?[0-9]+\) to \()[0-9]+:") + .replace_all(&coverage, "${prefix}LL:${middle}LL:"); + + // ` | Condition C1 --> (1:` => ` | Condition C1 --> (LL:` + let coverage = + static_regex!(r"(?m:^)(?(?: \|)+ Condition C[0-9]+ --> \()[0-9]+:") + .replace_all(&coverage, "${prefix}LL:"); + + coverage.into_owned() + } + + /// Coverage reports can describe multiple source files, separated by + /// blank lines. The order of these files is unpredictable (since it + /// depends on implementation details), so we need to sort the file + /// sections into a consistent order before comparing against a snapshot. + fn sort_coverage_file_sections(coverage_lines: &mut Vec<&str>) -> Result<(), String> { + // Group the lines into file sections, separated by blank lines. + let mut sections = coverage_lines.split(|line| line.is_empty()).collect::>(); + + // The last section should be empty, representing an extra trailing blank line. + if !sections.last().is_some_and(|last| last.is_empty()) { + return Err("coverage report should end with an extra blank line".to_owned()); + } + + // Sort the file sections (not including the final empty "section"). + let except_last = sections.len() - 1; + (&mut sections[..except_last]).sort(); + + // Join the file sections back into a flat list of lines, with + // sections separated by blank lines. + let joined = sections.join(&[""] as &[_]); + assert_eq!(joined.len(), coverage_lines.len()); + *coverage_lines = joined; + + Ok(()) + } + + fn sort_coverage_subviews(coverage_lines: &mut Vec<&str>) -> Result<(), String> { + let mut output_lines = Vec::new(); + + // We accumulate a list of zero or more "subviews", where each + // subview is a list of one or more lines. + let mut subviews: Vec> = Vec::new(); + + fn flush<'a>(subviews: &mut Vec>, output_lines: &mut Vec<&'a str>) { + if subviews.is_empty() { + return; + } + + // Take and clear the list of accumulated subviews. + let mut subviews = std::mem::take(subviews); + + // The last "subview" should be just a boundary line on its own, + // so exclude it when sorting the other subviews. + let except_last = subviews.len() - 1; + (&mut subviews[..except_last]).sort(); + + for view in subviews { + for line in view { + output_lines.push(line); + } + } + } + + for (line, line_num) in coverage_lines.iter().zip(1..) { + if line.starts_with(" ------------------") { + // This is a subview boundary line, so start a new subview. + subviews.push(vec![line]); + } else if line.starts_with(" |") { + // Add this line to the current subview. + subviews + .last_mut() + .ok_or(format!( + "unexpected subview line outside of a subview on line {line_num}" + ))? + .push(line); + } else { + // This line is not part of a subview, so sort and print any + // accumulated subviews, and then print the line as-is. + flush(&mut subviews, &mut output_lines); + output_lines.push(line); + } + } + + flush(&mut subviews, &mut output_lines); + assert!(subviews.is_empty()); + + assert_eq!(output_lines.len(), coverage_lines.len()); + *coverage_lines = output_lines; + + Ok(()) + } +} diff --git a/src/tools/compiletest/src/runtest/tests.rs b/src/tools/compiletest/src/runtest/tests.rs index 817b56109a50..fb3dd326a4c8 100644 --- a/src/tools/compiletest/src/runtest/tests.rs +++ b/src/tools/compiletest/src/runtest/tests.rs @@ -48,71 +48,3 @@ fn normalize_platform_differences() { r#"println!("test\ntest")"#, ); } - -/// Test for anonymizing line numbers in coverage reports, especially for -/// MC/DC regions. -/// -/// FIXME(#123409): This test can be removed when we have examples of MC/DC -/// coverage in the actual coverage test suite. -#[test] -fn anonymize_coverage_line_numbers() { - let anon = |coverage| TestCx::anonymize_coverage_line_numbers(coverage); - - let input = r#" - 7| 2|fn mcdc_check_neither(a: bool, b: bool) { - 8| 2| if a && b { - ^0 - ------------------ - |---> MC/DC Decision Region (8:8) to (8:14) - | - | Number of Conditions: 2 - | Condition C1 --> (8:8) - | Condition C2 --> (8:13) - | - | Executed MC/DC Test Vectors: - | - | C1, C2 Result - | 1 { F, - = F } - | - | C1-Pair: not covered - | C2-Pair: not covered - | MC/DC Coverage for Decision: 0.00% - | - ------------------ - 9| 0| say("a and b"); - 10| 2| } else { - 11| 2| say("not both"); - 12| 2| } - 13| 2|} -"#; - - let expected = r#" - LL| 2|fn mcdc_check_neither(a: bool, b: bool) { - LL| 2| if a && b { - ^0 - ------------------ - |---> MC/DC Decision Region (LL:8) to (LL:14) - | - | Number of Conditions: 2 - | Condition C1 --> (LL:8) - | Condition C2 --> (LL:13) - | - | Executed MC/DC Test Vectors: - | - | C1, C2 Result - | 1 { F, - = F } - | - | C1-Pair: not covered - | C2-Pair: not covered - | MC/DC Coverage for Decision: 0.00% - | - ------------------ - LL| 0| say("a and b"); - LL| 2| } else { - LL| 2| say("not both"); - LL| 2| } - LL| 2|} -"#; - - assert_eq!(anon(input), expected); -} From 14c1f740f2def175ad7332b0bae85906e590d6a7 Mon Sep 17 00:00:00 2001 From: Folkert Date: Wed, 29 May 2024 13:38:00 +0200 Subject: [PATCH 0720/1716] make `ptr::rotate` smaller when using `optimize_for_size` code to reproduce https://github.com/folkertdev/optimize_for_size-slice-rotate In the example the size of `.text` goes down from 1624 to 276 bytes. --- library/core/src/slice/rotate.rs | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/library/core/src/slice/rotate.rs b/library/core/src/slice/rotate.rs index fa8c238f8e7a..1d7b86339799 100644 --- a/library/core/src/slice/rotate.rs +++ b/library/core/src/slice/rotate.rs @@ -71,7 +71,9 @@ pub unsafe fn ptr_rotate(mut left: usize, mut mid: *mut T, mut right: usize) if (right == 0) || (left == 0) { return; } - if (left + right < 24) || (mem::size_of::() > mem::size_of::<[usize; 4]>()) { + if !cfg!(feature = "optimize_for_size") + && ((left + right < 24) || (mem::size_of::() > mem::size_of::<[usize; 4]>())) + { // Algorithm 1 // Microbenchmarks indicate that the average performance for random shifts is better all // the way until about `left + right == 32`, but the worst case performance breaks even @@ -158,7 +160,9 @@ pub unsafe fn ptr_rotate(mut left: usize, mut mid: *mut T, mut right: usize) } return; // `T` is not a zero-sized type, so it's okay to divide by its size. - } else if cmp::min(left, right) <= mem::size_of::() / mem::size_of::() { + } else if !cfg!(feature = "optimize_for_size") + && cmp::min(left, right) <= mem::size_of::() / mem::size_of::() + { // Algorithm 2 // The `[T; 0]` here is to ensure this is appropriately aligned for T let mut rawarray = MaybeUninit::<(BufType, [T; 0])>::uninit(); From c72fcfbc40a57f88de1a64a2bc69f85e2844b77e Mon Sep 17 00:00:00 2001 From: Scott Mabin Date: Tue, 28 May 2024 13:38:43 +0100 Subject: [PATCH 0721/1716] Add Xtensa as an experimental target --- compiler/rustc_llvm/src/lib.rs | 7 +++++++ src/bootstrap/src/core/build_steps/llvm.rs | 2 +- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/compiler/rustc_llvm/src/lib.rs b/compiler/rustc_llvm/src/lib.rs index 6a570c97c888..ae1848a73630 100644 --- a/compiler/rustc_llvm/src/lib.rs +++ b/compiler/rustc_llvm/src/lib.rs @@ -188,6 +188,13 @@ pub fn initialize_available_targets() { LLVMInitializeHexagonAsmPrinter, LLVMInitializeHexagonAsmParser ); + init_target!( + llvm_component = "xtensa", + LLVMInitializeXtensaTargetInfo, + LLVMInitializeXtensaTarget, + LLVMInitializeXtensaTargetMC, + LLVMInitializeXtensaAsmParser + ); init_target!( llvm_component = "webassembly", LLVMInitializeWebAssemblyTargetInfo, diff --git a/src/bootstrap/src/core/build_steps/llvm.rs b/src/bootstrap/src/core/build_steps/llvm.rs index 8ca7af2febee..ebac27cd92c2 100644 --- a/src/bootstrap/src/core/build_steps/llvm.rs +++ b/src/bootstrap/src/core/build_steps/llvm.rs @@ -330,7 +330,7 @@ impl Step for Llvm { let llvm_exp_targets = match builder.config.llvm_experimental_targets { Some(ref s) => s, - None => "AVR;M68k;CSKY", + None => "AVR;M68k;CSKY;Xtensa", }; let assertions = if builder.config.llvm_assertions { "ON" } else { "OFF" }; From b37a448616a370ba02eeaa7d7c8289fa85d35fc9 Mon Sep 17 00:00:00 2001 From: Scott Mabin Date: Sat, 12 Sep 2020 23:20:14 +0100 Subject: [PATCH 0722/1716] Teach rustc about the Xtensa arch. --- compiler/rustc_llvm/build.rs | 1 + compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp | 7 +++++++ 2 files changed, 8 insertions(+) diff --git a/compiler/rustc_llvm/build.rs b/compiler/rustc_llvm/build.rs index 024f6f89a4b7..cdaabb036c2a 100644 --- a/compiler/rustc_llvm/build.rs +++ b/compiler/rustc_llvm/build.rs @@ -23,6 +23,7 @@ const OPTIONAL_COMPONENTS: &[&str] = &[ "nvptx", "hexagon", "riscv", + "xtensa", "bpf", ]; diff --git a/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp index 3fcf3aca8afe..a027ddcc1508 100644 --- a/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp +++ b/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp @@ -155,6 +155,12 @@ extern "C" void LLVMRustTimeTraceProfilerFinish(const char* FileName) { #define SUBTARGET_SPARC #endif +#ifdef LLVM_COMPONENT_XTENSA +#define SUBTARGET_XTENSA SUBTARGET(XTENSA) +#else +#define SUBTARGET_XTENSA +#endif + #ifdef LLVM_COMPONENT_HEXAGON #define SUBTARGET_HEXAGON SUBTARGET(Hexagon) #else @@ -180,6 +186,7 @@ extern "C" void LLVMRustTimeTraceProfilerFinish(const char* FileName) { SUBTARGET_MSP430 \ SUBTARGET_SPARC \ SUBTARGET_HEXAGON \ + SUBTARGET_XTENSA \ SUBTARGET_RISCV \ SUBTARGET_LOONGARCH \ From e823288c352bf19bbaaf77b7ef8958d3c8426a3f Mon Sep 17 00:00:00 2001 From: Scott Mabin Date: Sat, 12 Sep 2020 23:31:14 +0100 Subject: [PATCH 0723/1716] Teach rustc about the Xtensa call ABI. --- compiler/rustc_target/src/abi/call/mod.rs | 2 + compiler/rustc_target/src/abi/call/xtensa.rs | 123 +++++++++++++++++++ 2 files changed, 125 insertions(+) create mode 100644 compiler/rustc_target/src/abi/call/xtensa.rs diff --git a/compiler/rustc_target/src/abi/call/mod.rs b/compiler/rustc_target/src/abi/call/mod.rs index fc79c9232d1b..5713542c17d6 100644 --- a/compiler/rustc_target/src/abi/call/mod.rs +++ b/compiler/rustc_target/src/abi/call/mod.rs @@ -29,6 +29,7 @@ mod wasm; mod x86; mod x86_64; mod x86_win64; +mod xtensa; #[derive(Clone, PartialEq, Eq, Hash, Debug, HashStable_Generic)] pub enum PassMode { @@ -903,6 +904,7 @@ impl<'a, Ty> FnAbi<'a, Ty> { } } "hexagon" => hexagon::compute_abi_info(self), + "xtensa" => xtensa::compute_abi_info(cx, self), "riscv32" | "riscv64" => riscv::compute_abi_info(cx, self), "wasm32" | "wasm64" => { if cx.target_spec().adjust_abi(cx, abi, self.c_variadic) == spec::abi::Abi::Wasm { diff --git a/compiler/rustc_target/src/abi/call/xtensa.rs b/compiler/rustc_target/src/abi/call/xtensa.rs new file mode 100644 index 000000000000..addbe6989254 --- /dev/null +++ b/compiler/rustc_target/src/abi/call/xtensa.rs @@ -0,0 +1,123 @@ +//! The Xtensa ABI implementation +//! +//! This ABI implementation is based on the following sources: +//! +//! Section 8.1.4 & 8.1.5 of the Xtensa ISA reference manual, as well as snippets from +//! Section 2.3 from the Xtensa programmers guide. + +use crate::abi::call::{ArgAbi, FnAbi, Reg, Uniform}; +use crate::abi::{Abi, HasDataLayout, Size, TyAbiInterface}; +use crate::spec::HasTargetSpec; + +const NUM_ARG_GPRS: u64 = 6; +const NUM_RET_GPRS: u64 = 4; +const MAX_ARG_IN_REGS_SIZE: u64 = NUM_ARG_GPRS * 32; +const MAX_RET_IN_REGS_SIZE: u64 = NUM_RET_GPRS * 32; + +fn classify_ret_ty<'a, Ty, C>(arg: &mut ArgAbi<'_, Ty>) +where + Ty: TyAbiInterface<'a, C> + Copy, +{ + if arg.is_ignore() { + return; + } + + // The rules for return and argument types are the same, + // so defer to `classify_arg_ty`. + let mut arg_gprs_left = NUM_RET_GPRS; + classify_arg_ty(arg, &mut arg_gprs_left, MAX_RET_IN_REGS_SIZE); + // Ret args cannot be passed via stack, we lower to indirect and let the backend handle the invisble reference + match arg.mode { + super::PassMode::Indirect { attrs: _, meta_attrs: _, ref mut on_stack } => { + *on_stack = false; + } + _ => {} + } +} + +fn classify_arg_ty<'a, Ty, C>(arg: &mut ArgAbi<'_, Ty>, arg_gprs_left: &mut u64, max_size: u64) +where + Ty: TyAbiInterface<'a, C> + Copy, +{ + assert!(*arg_gprs_left <= NUM_ARG_GPRS, "Arg GPR tracking underflow"); + + // Ignore empty structs/unions. + if arg.layout.is_zst() { + return; + } + + let size = arg.layout.size.bits(); + let needed_align = arg.layout.align.abi.bits(); + let mut must_use_stack = false; + + // Determine the number of GPRs needed to pass the current argument + // according to the ABI. 2*XLen-aligned varargs are passed in "aligned" + // register pairs, so may consume 3 registers. + let mut needed_arg_gprs = (size + 32 - 1) / 32; + if needed_align == 64 { + needed_arg_gprs += *arg_gprs_left % 2; + } + + if needed_arg_gprs > *arg_gprs_left + || needed_align > 128 + || (*arg_gprs_left < (max_size / 32) && needed_align == 128) + { + must_use_stack = true; + needed_arg_gprs = *arg_gprs_left; + } + *arg_gprs_left -= needed_arg_gprs; + + if must_use_stack { + arg.make_indirect_byval(None); + } else { + if is_xtensa_aggregate(arg) { + // Aggregates which are <= max_size will be passed in + // registers if possible, so coerce to integers. + + // Use a single `xlen` int if possible, 2 * `xlen` if 2 * `xlen` alignment + // is required, and a 2-element `xlen` array if only `xlen` alignment is + // required. + if size <= 32 { + arg.cast_to(Reg::i32()); + } else { + let reg = if needed_align == 2 * 32 { Reg::i64() } else { Reg::i32() }; + let total = Size::from_bits(((size + 32 - 1) / 32) * 32); + arg.cast_to(Uniform::new(reg, total)); + } + } else { + // All integral types are promoted to `xlen` + // width. + // + // We let the LLVM backend handle integral types >= xlen. + if size < 32 { + arg.extend_integer_width_to(32); + } + } + } +} + +pub fn compute_abi_info<'a, Ty, C>(_cx: &C, fn_abi: &mut FnAbi<'a, Ty>) +where + Ty: TyAbiInterface<'a, C> + Copy, + C: HasDataLayout + HasTargetSpec, +{ + if !fn_abi.ret.is_ignore() { + classify_ret_ty(&mut fn_abi.ret); + } + + let mut arg_gprs_left = NUM_ARG_GPRS; + + for arg in fn_abi.args.iter_mut() { + if arg.is_ignore() { + continue; + } + classify_arg_ty(arg, &mut arg_gprs_left, MAX_ARG_IN_REGS_SIZE); + } +} + +fn is_xtensa_aggregate<'a, Ty>(arg: &ArgAbi<'a, Ty>) -> bool { + match arg.layout.abi { + Abi::Vector { .. } => true, + _ => arg.layout.is_aggregate(), + } +} From 11f70d78f59cff6baf2d9e167db38662640e11f6 Mon Sep 17 00:00:00 2001 From: Sergio Gasquez Date: Tue, 14 May 2024 17:16:59 +0200 Subject: [PATCH 0724/1716] Add no_std Xtensa targets support --- compiler/rustc_target/src/spec/base/mod.rs | 1 + compiler/rustc_target/src/spec/base/xtensa.rs | 17 +++++++++++++ compiler/rustc_target/src/spec/mod.rs | 4 +++ .../src/spec/targets/xtensa_esp32_none_elf.rs | 24 ++++++++++++++++++ .../spec/targets/xtensa_esp32s2_none_elf.rs | 23 +++++++++++++++++ .../spec/targets/xtensa_esp32s3_none_elf.rs | 24 ++++++++++++++++++ src/doc/rustc/src/platform-support.md | 3 +++ src/doc/rustc/src/platform-support/xtensa.md | 25 +++++++++++++++++++ src/tools/tidy/src/target_policy.rs | 4 +++ tests/assembly/targets/targets-elf.rs | 13 +++++++++- tests/ui/check-cfg/well-known-values.stderr | 2 +- 11 files changed, 138 insertions(+), 2 deletions(-) create mode 100644 compiler/rustc_target/src/spec/base/xtensa.rs create mode 100644 compiler/rustc_target/src/spec/targets/xtensa_esp32_none_elf.rs create mode 100644 compiler/rustc_target/src/spec/targets/xtensa_esp32s2_none_elf.rs create mode 100644 compiler/rustc_target/src/spec/targets/xtensa_esp32s3_none_elf.rs create mode 100644 src/doc/rustc/src/platform-support/xtensa.md diff --git a/compiler/rustc_target/src/spec/base/mod.rs b/compiler/rustc_target/src/spec/base/mod.rs index d137aaa53585..28d10dcf2ff3 100644 --- a/compiler/rustc_target/src/spec/base/mod.rs +++ b/compiler/rustc_target/src/spec/base/mod.rs @@ -35,3 +35,4 @@ pub(crate) mod windows_gnullvm; pub(crate) mod windows_msvc; pub(crate) mod windows_uwp_gnu; pub(crate) mod windows_uwp_msvc; +pub(crate) mod xtensa; diff --git a/compiler/rustc_target/src/spec/base/xtensa.rs b/compiler/rustc_target/src/spec/base/xtensa.rs new file mode 100644 index 000000000000..31ad09c52e4f --- /dev/null +++ b/compiler/rustc_target/src/spec/base/xtensa.rs @@ -0,0 +1,17 @@ +use crate::abi::Endian; +use crate::spec::{Cc, LinkerFlavor, Lld, PanicStrategy, RelocModel, TargetOptions}; + +pub fn opts() -> TargetOptions { + TargetOptions { + os: "none".into(), + endian: Endian::Little, + c_int_width: "32".into(), + linker_flavor: LinkerFlavor::Gnu(Cc::Yes, Lld::No), + executables: true, + panic_strategy: PanicStrategy::Abort, + relocation_model: RelocModel::Static, + emit_debug_gdb_scripts: false, + atomic_cas: false, + ..Default::default() + } +} diff --git a/compiler/rustc_target/src/spec/mod.rs b/compiler/rustc_target/src/spec/mod.rs index 83ee63e2cf28..da1da0c52bf4 100644 --- a/compiler/rustc_target/src/spec/mod.rs +++ b/compiler/rustc_target/src/spec/mod.rs @@ -1766,6 +1766,10 @@ supported_targets! { ("nvptx64-nvidia-cuda", nvptx64_nvidia_cuda), + ("xtensa-esp32-none-elf", xtensa_esp32_none_elf), + ("xtensa-esp32s2-none-elf", xtensa_esp32s2_none_elf), + ("xtensa-esp32s3-none-elf", xtensa_esp32s3_none_elf), + ("i686-wrs-vxworks", i686_wrs_vxworks), ("x86_64-wrs-vxworks", x86_64_wrs_vxworks), ("armv7-wrs-vxworks-eabihf", armv7_wrs_vxworks_eabihf), diff --git a/compiler/rustc_target/src/spec/targets/xtensa_esp32_none_elf.rs b/compiler/rustc_target/src/spec/targets/xtensa_esp32_none_elf.rs new file mode 100644 index 000000000000..bf5237163139 --- /dev/null +++ b/compiler/rustc_target/src/spec/targets/xtensa_esp32_none_elf.rs @@ -0,0 +1,24 @@ +use crate::spec::{base::xtensa, Target, TargetOptions}; + +pub fn target() -> Target { + Target { + llvm_target: "xtensa-none-elf".into(), + pointer_width: 32, + data_layout: "e-m:e-p:32:32-v1:8:8-i64:64-i128:128-n32".into(), + arch: "xtensa".into(), + metadata: crate::spec::TargetMetadata { + description: Some("Xtensa ESP32".into()), + tier: Some(3), + host_tools: Some(false), + std: Some(false), + }, + + options: TargetOptions { + cpu: "esp32".into(), + linker: Some("xtensa-esp32-elf-gcc".into()), + max_atomic_width: Some(32), + atomic_cas: true, + ..xtensa::opts() + }, + } +} diff --git a/compiler/rustc_target/src/spec/targets/xtensa_esp32s2_none_elf.rs b/compiler/rustc_target/src/spec/targets/xtensa_esp32s2_none_elf.rs new file mode 100644 index 000000000000..219b2aa48c1f --- /dev/null +++ b/compiler/rustc_target/src/spec/targets/xtensa_esp32s2_none_elf.rs @@ -0,0 +1,23 @@ +use crate::spec::{base::xtensa, Target, TargetOptions}; + +pub fn target() -> Target { + Target { + llvm_target: "xtensa-none-elf".into(), + pointer_width: 32, + data_layout: "e-m:e-p:32:32-v1:8:8-i64:64-i128:128-n32".into(), + arch: "xtensa".into(), + metadata: crate::spec::TargetMetadata { + description: Some("Xtensa ESP32-S2".into()), + tier: Some(3), + host_tools: Some(false), + std: Some(false), + }, + + options: TargetOptions { + cpu: "esp32-s2".into(), + linker: Some("xtensa-esp32s2-elf-gcc".into()), + max_atomic_width: Some(32), + ..xtensa::opts() + }, + } +} diff --git a/compiler/rustc_target/src/spec/targets/xtensa_esp32s3_none_elf.rs b/compiler/rustc_target/src/spec/targets/xtensa_esp32s3_none_elf.rs new file mode 100644 index 000000000000..632eef3a5842 --- /dev/null +++ b/compiler/rustc_target/src/spec/targets/xtensa_esp32s3_none_elf.rs @@ -0,0 +1,24 @@ +use crate::spec::{base::xtensa, Target, TargetOptions}; + +pub fn target() -> Target { + Target { + llvm_target: "xtensa-none-elf".into(), + pointer_width: 32, + data_layout: "e-m:e-p:32:32-v1:8:8-i64:64-i128:128-n32".into(), + arch: "xtensa".into(), + metadata: crate::spec::TargetMetadata { + description: Some("Xtensa ESP32-S3".into()), + tier: Some(3), + host_tools: Some(false), + std: Some(false), + }, + + options: TargetOptions { + cpu: "esp32-s3".into(), + linker: Some("xtensa-esp32s3-elf-gcc".into()), + max_atomic_width: Some(32), + atomic_cas: true, + ..xtensa::opts() + }, + } +} diff --git a/src/doc/rustc/src/platform-support.md b/src/doc/rustc/src/platform-support.md index 77859956c95f..30fe0206cd5e 100644 --- a/src/doc/rustc/src/platform-support.md +++ b/src/doc/rustc/src/platform-support.md @@ -383,5 +383,8 @@ target | std | host | notes `x86_64-wrs-vxworks` | ? | | [`x86_64h-apple-darwin`](platform-support/x86_64h-apple-darwin.md) | ✓ | ✓ | macOS with late-gen Intel (at least Haswell) [`x86_64-unknown-linux-none`](platform-support/x86_64-unknown-linux-none.md) | * | | 64-bit Linux with no libc +`xtensa-esp32-none-elf` | | | Xtensa ESP32 +`xtensa-esp32s2-none-elf` | | | Xtensa ESP32-S2 +`xtensa-esp32s3-none-elf` | | | Xtensa ESP32-S3 [runs on NVIDIA GPUs]: https://github.com/japaric-archived/nvptx#targets diff --git a/src/doc/rustc/src/platform-support/xtensa.md b/src/doc/rustc/src/platform-support/xtensa.md new file mode 100644 index 000000000000..7785977466e4 --- /dev/null +++ b/src/doc/rustc/src/platform-support/xtensa.md @@ -0,0 +1,25 @@ +# `xtensa-*` + +**Tier: 3** + +Targets for Xtensa CPUs. + +## Target maintainers + +- Scott Mabin [@MabezDev](https://github.com/MabezDev) +- Sergio Gasquez [@SergioGasquez](https://github.com/SergioGasquez) + +## Requirements + +The target names follow this format: `xtensa-$CPU`, where `$CPU` specifies the target chip. The following targets are currently defined: + +| Target name | Target CPU(s) | +| ------------------------- | --------------------------------------------------------------- | +| `xtensa-esp32-none-elf` | [ESP32](https://www.espressif.com/en/products/socs/esp32) | +| `xtensa-esp32s2-none-elf` | [ESP32-S2](https://www.espressif.com/en/products/socs/esp32-s2) | +| `xtensa-esp32s3-none-elf` | [ESP32-S3](https://www.espressif.com/en/products/socs/esp32-s3) | + + +## Building the target + +The targets can be built by installing the [Xtensa enabled Rust channel](https://github.com/esp-rs/rust/). See instructions in the [RISC-V and Xtensa Targets section of the The Rust on ESP Book](https://docs.esp-rs.org/book/installation/riscv-and-xtensa.html). diff --git a/src/tools/tidy/src/target_policy.rs b/src/tools/tidy/src/target_policy.rs index 382488e57211..06210c8cdb20 100644 --- a/src/tools/tidy/src/target_policy.rs +++ b/src/tools/tidy/src/target_policy.rs @@ -12,6 +12,10 @@ const EXCEPTIONS: &[&str] = &[ // FIXME: disabled since it fails on CI saying the csky component is missing "csky_unknown_linux_gnuabiv2", "csky_unknown_linux_gnuabiv2hf", + // FIXME: disabled since it requires a custom LLVM until the upstream LLVM adds support for the target (https://github.com/espressif/llvm-project/issues/4) + "xtensa_esp32_none_elf", + "xtensa_esp32s2_none_elf", + "xtensa_esp32s3_none_elf", ]; pub fn check(root_path: &Path, bad: &mut bool) { diff --git a/tests/assembly/targets/targets-elf.rs b/tests/assembly/targets/targets-elf.rs index 0db2a3580026..4c54fe639e3e 100644 --- a/tests/assembly/targets/targets-elf.rs +++ b/tests/assembly/targets/targets-elf.rs @@ -573,7 +573,18 @@ //@ revisions: x86_64_wrs_vxworks //@ [x86_64_wrs_vxworks] compile-flags: --target x86_64-wrs-vxworks //@ [x86_64_wrs_vxworks] needs-llvm-components: x86 - +// FIXME: disabled since it requires a custom LLVM until the upstream LLVM adds support for the target (https://github.com/espressif/llvm-project/issues/4) +/* + revisions: xtensa_esp32_none_elf + [xtensa_esp32_none_elf] compile-flags: --target xtensa-esp32-none-elf + [xtensa_esp32_none_elf] needs-llvm-components: xtensa + revisions: xtensa_esp32s2_none_elf + [xtensa_esp32s2_none_elf] compile-flags: --target xtensa-esp32s2-none-elf + [xtensa_esp32s2_none_elf] needs-llvm-components: xtensa + revisions: xtensa_esp32s3_none_elf + [xtensa_esp32s3_none_elf] compile-flags: --target xtensa-esp32s3-none-elf + [xtensa_esp32s3_none_elf] needs-llvm-components: xtensa +*/ // Sanity-check that each target can produce assembly code. #![feature(no_core, lang_items)] diff --git a/tests/ui/check-cfg/well-known-values.stderr b/tests/ui/check-cfg/well-known-values.stderr index 0c50ec1abba9..3796dca17273 100644 --- a/tests/ui/check-cfg/well-known-values.stderr +++ b/tests/ui/check-cfg/well-known-values.stderr @@ -129,7 +129,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` LL | target_arch = "_UNEXPECTED_VALUE", | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `target_arch` are: `aarch64`, `arm`, `arm64ec`, `avr`, `bpf`, `csky`, `hexagon`, `loongarch64`, `m68k`, `mips`, `mips32r6`, `mips64`, `mips64r6`, `msp430`, `nvptx64`, `powerpc`, `powerpc64`, `riscv32`, `riscv64`, `s390x`, `sparc`, `sparc64`, `wasm32`, `wasm64`, `x86`, and `x86_64` + = note: expected values for `target_arch` are: `aarch64`, `arm`, `arm64ec`, `avr`, `bpf`, `csky`, `hexagon`, `loongarch64`, `m68k`, `mips`, `mips32r6`, `mips64`, `mips64r6`, `msp430`, `nvptx64`, `powerpc`, `powerpc64`, `riscv32`, `riscv64`, `s390x`, `sparc`, `sparc64`, `wasm32`, `wasm64`, `x86`, `x86_64`, and `xtensa` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` From 54bb08d53881da7c43b91fd5a6bd8ef9a3b754e6 Mon Sep 17 00:00:00 2001 From: Markus Mayer Date: Wed, 29 May 2024 14:58:34 +0200 Subject: [PATCH 0725/1716] Add FRAC_1_SQRT_2PI doc alias to FRAC_1_SQRT_TAU This is create symmetry between the already existing TAU constant (2pi) and the newly-introduced FRAC_1_SQRT_2PI, keeping the more common name while increasing visibility. --- library/core/src/num/f128.rs | 1 + library/core/src/num/f16.rs | 1 + library/core/src/num/f32.rs | 1 + library/core/src/num/f64.rs | 1 + 4 files changed, 4 insertions(+) diff --git a/library/core/src/num/f128.rs b/library/core/src/num/f128.rs index 75eed2648588..129f62fb43d1 100644 --- a/library/core/src/num/f128.rs +++ b/library/core/src/num/f128.rs @@ -69,6 +69,7 @@ pub mod consts { 0.564189583547756286948079451560772585844050629328998856844086_f128; /// 1/sqrt(2π) + #[doc(alias = "FRAC_1_SQRT_TAU")] #[unstable(feature = "f128", issue = "116909")] // Also, #[unstable(feature = "more_float_constants", issue = "103883")] pub const FRAC_1_SQRT_2PI: f128 = diff --git a/library/core/src/num/f16.rs b/library/core/src/num/f16.rs index 955314516a4a..7a488cd6bf6f 100644 --- a/library/core/src/num/f16.rs +++ b/library/core/src/num/f16.rs @@ -68,6 +68,7 @@ pub mod consts { pub const FRAC_1_SQRT_PI: f16 = 0.564189583547756286948079451560772586_f16; /// 1/sqrt(2π) + #[doc(alias = "FRAC_1_SQRT_TAU")] #[unstable(feature = "f16", issue = "116909")] // Also, #[unstable(feature = "more_float_constants", issue = "103883")] pub const FRAC_1_SQRT_2PI: f16 = 0.398942280401432677939946059934381868_f16; diff --git a/library/core/src/num/f32.rs b/library/core/src/num/f32.rs index 8c591af3c0d0..8e9c7b4d11f3 100644 --- a/library/core/src/num/f32.rs +++ b/library/core/src/num/f32.rs @@ -328,6 +328,7 @@ pub mod consts { pub const FRAC_1_SQRT_PI: f32 = 0.564189583547756286948079451560772586_f32; /// 1/sqrt(2π) + #[doc(alias = "FRAC_1_SQRT_TAU")] #[unstable(feature = "more_float_constants", issue = "103883")] pub const FRAC_1_SQRT_2PI: f32 = 0.398942280401432677939946059934381868_f32; diff --git a/library/core/src/num/f64.rs b/library/core/src/num/f64.rs index db458c4375ce..5247897437a0 100644 --- a/library/core/src/num/f64.rs +++ b/library/core/src/num/f64.rs @@ -328,6 +328,7 @@ pub mod consts { pub const FRAC_1_SQRT_PI: f64 = 0.564189583547756286948079451560772586_f64; /// 1/sqrt(2π) + #[doc(alias = "FRAC_1_SQRT_TAU")] #[unstable(feature = "more_float_constants", issue = "103883")] pub const FRAC_1_SQRT_2PI: f64 = 0.398942280401432677939946059934381868_f64; From 5b0e6cb6729df41d45d7b504d46aa29e2059779b Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Tue, 28 May 2024 13:39:21 +0200 Subject: [PATCH 0726/1716] Migrate `run-make/const-prop-lint` to `rmake.rs` --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/const-prop-lint/Makefile | 9 --------- tests/run-make/const-prop-lint/rmake.rs | 18 ++++++++++++++++++ 3 files changed, 18 insertions(+), 10 deletions(-) delete mode 100644 tests/run-make/const-prop-lint/Makefile create mode 100644 tests/run-make/const-prop-lint/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 2329b8b44dea..b8a663820851 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -22,7 +22,6 @@ run-make/compiler-lookup-paths-2/Makefile run-make/compiler-lookup-paths/Makefile run-make/compiler-rt-works-on-mingw/Makefile run-make/compressed-debuginfo/Makefile -run-make/const-prop-lint/Makefile run-make/const_fn_mir/Makefile run-make/crate-data-smoke/Makefile run-make/crate-hash-rustc-version/Makefile diff --git a/tests/run-make/const-prop-lint/Makefile b/tests/run-make/const-prop-lint/Makefile deleted file mode 100644 index f29f282f7876..000000000000 --- a/tests/run-make/const-prop-lint/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -include ../tools.mk - -# Test that emitting an error because of arithmetic -# overflow lint does not leave .o files around -# because of interrupted codegen. - -all: - $(RUSTC) input.rs; test $$? -eq 1 - ls *.o; test $$? -ne 0 diff --git a/tests/run-make/const-prop-lint/rmake.rs b/tests/run-make/const-prop-lint/rmake.rs new file mode 100644 index 000000000000..fa27a18a591a --- /dev/null +++ b/tests/run-make/const-prop-lint/rmake.rs @@ -0,0 +1,18 @@ +// Tests that const prop lints interrupting codegen don't leave `.o` files around. + +use std::fs; + +use run_make_support::{rustc, tmp_dir}; + +fn main() { + rustc().input("input.rs").run_fail_assert_exit_code(1); + + for entry in fs::read_dir(tmp_dir()).unwrap() { + let entry = entry.unwrap(); + let path = entry.path(); + + if path.is_file() && path.extension().is_some_and(|ext| ext == "o") { + panic!("there should not be `.o` files!"); + } + } +} From 1e6544a20ec8ba822c8af93a953ec7ea70dddbd9 Mon Sep 17 00:00:00 2001 From: Chris Denton Date: Wed, 29 May 2024 13:04:28 +0000 Subject: [PATCH 0727/1716] Move run-make windows_subsystem tests to ui tests --- tests/run-make/windows-subsystem/Makefile | 6 ------ tests/{run-make => ui}/windows-subsystem/console.rs | 1 + .../ui/{ => windows-subsystem}/windows-subsystem-invalid.rs | 0 .../windows-subsystem-invalid.stderr | 0 tests/{run-make => ui}/windows-subsystem/windows.rs | 1 + 5 files changed, 2 insertions(+), 6 deletions(-) delete mode 100644 tests/run-make/windows-subsystem/Makefile rename tests/{run-make => ui}/windows-subsystem/console.rs (78%) rename tests/ui/{ => windows-subsystem}/windows-subsystem-invalid.rs (100%) rename tests/ui/{ => windows-subsystem}/windows-subsystem-invalid.stderr (100%) rename tests/{run-make => ui}/windows-subsystem/windows.rs (78%) diff --git a/tests/run-make/windows-subsystem/Makefile b/tests/run-make/windows-subsystem/Makefile deleted file mode 100644 index e3cf9181de41..000000000000 --- a/tests/run-make/windows-subsystem/Makefile +++ /dev/null @@ -1,6 +0,0 @@ -# ignore-cross-compile -include ../tools.mk - -all: - $(RUSTC) windows.rs - $(RUSTC) console.rs diff --git a/tests/run-make/windows-subsystem/console.rs b/tests/ui/windows-subsystem/console.rs similarity index 78% rename from tests/run-make/windows-subsystem/console.rs rename to tests/ui/windows-subsystem/console.rs index 61a92eb6a9db..8f0ca2de370d 100644 --- a/tests/run-make/windows-subsystem/console.rs +++ b/tests/ui/windows-subsystem/console.rs @@ -1,3 +1,4 @@ +//@ run-pass #![windows_subsystem = "console"] fn main() {} diff --git a/tests/ui/windows-subsystem-invalid.rs b/tests/ui/windows-subsystem/windows-subsystem-invalid.rs similarity index 100% rename from tests/ui/windows-subsystem-invalid.rs rename to tests/ui/windows-subsystem/windows-subsystem-invalid.rs diff --git a/tests/ui/windows-subsystem-invalid.stderr b/tests/ui/windows-subsystem/windows-subsystem-invalid.stderr similarity index 100% rename from tests/ui/windows-subsystem-invalid.stderr rename to tests/ui/windows-subsystem/windows-subsystem-invalid.stderr diff --git a/tests/run-make/windows-subsystem/windows.rs b/tests/ui/windows-subsystem/windows.rs similarity index 78% rename from tests/run-make/windows-subsystem/windows.rs rename to tests/ui/windows-subsystem/windows.rs index 1138248f07da..65db0fec7a8b 100644 --- a/tests/run-make/windows-subsystem/windows.rs +++ b/tests/ui/windows-subsystem/windows.rs @@ -1,3 +1,4 @@ +//@ run-pass #![windows_subsystem = "windows"] fn main() {} From f08e00f3d56645c9bbd4d2ebfbabe257b56b837b Mon Sep 17 00:00:00 2001 From: Chris Denton Date: Wed, 29 May 2024 13:11:48 +0000 Subject: [PATCH 0728/1716] Rename run-make/issue-85441 and convert to rmake --- tests/run-make/issue-85441/Makefile | 9 ------- .../{issue-85441 => windows-ws2_32}/empty.rs | 0 tests/run-make/windows-ws2_32/rmake.rs | 27 +++++++++++++++++++ tests/run-make/windows-ws2_32/tcp.rs | 5 ++++ 4 files changed, 32 insertions(+), 9 deletions(-) delete mode 100644 tests/run-make/issue-85441/Makefile rename tests/run-make/{issue-85441 => windows-ws2_32}/empty.rs (100%) create mode 100644 tests/run-make/windows-ws2_32/rmake.rs create mode 100644 tests/run-make/windows-ws2_32/tcp.rs diff --git a/tests/run-make/issue-85441/Makefile b/tests/run-make/issue-85441/Makefile deleted file mode 100644 index 987d7f7d4a76..000000000000 --- a/tests/run-make/issue-85441/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -# only-windows-msvc - -include ../tools.mk - -# Tests that WS2_32.dll is not unnecessarily linked, see issue #85441 - -all: - $(RUSTC) empty.rs - objdump -p $(TMPDIR)/empty.exe | $(CGREP) -v -i "WS2_32.dll" diff --git a/tests/run-make/issue-85441/empty.rs b/tests/run-make/windows-ws2_32/empty.rs similarity index 100% rename from tests/run-make/issue-85441/empty.rs rename to tests/run-make/windows-ws2_32/empty.rs diff --git a/tests/run-make/windows-ws2_32/rmake.rs b/tests/run-make/windows-ws2_32/rmake.rs new file mode 100644 index 000000000000..543f8594478c --- /dev/null +++ b/tests/run-make/windows-ws2_32/rmake.rs @@ -0,0 +1,27 @@ +//@ only-msvc + +// Tests that WS2_32.dll is not unnecessarily linked, see issue #85441 + +use run_make_support::object::{self, read::Object}; +use run_make_support::{rustc, tmp_dir}; +use std::fs; + +fn main() { + rustc().input("empty.rs").run(); + rustc().input("tcp.rs").run(); + + assert!(!links_ws2_32("empty.exe")); + assert!(links_ws2_32("tcp.exe")); +} + +fn links_ws2_32(exe: &str) -> bool { + let path = tmp_dir().join(exe); + let binary_data = fs::read(path).unwrap(); + let file = object::File::parse(&*binary_data).unwrap(); + for import in file.imports().unwrap() { + if import.library().eq_ignore_ascii_case(b"WS2_32.dll") { + return true; + } + } + false +} diff --git a/tests/run-make/windows-ws2_32/tcp.rs b/tests/run-make/windows-ws2_32/tcp.rs new file mode 100644 index 000000000000..3d0248c76d78 --- /dev/null +++ b/tests/run-make/windows-ws2_32/tcp.rs @@ -0,0 +1,5 @@ +use std::net::TcpListener; + +fn main() { + TcpListener::bind("127.0.0.1:80").unwrap(); +} From e463f6fd0bbd7d22bb81cd1ab769eeeb21d9e91d Mon Sep 17 00:00:00 2001 From: Chris Denton Date: Wed, 29 May 2024 13:12:45 +0000 Subject: [PATCH 0729/1716] Convert run-make/windows-spawn to rmake --- tests/run-make/windows-spawn/Makefile | 8 -------- tests/run-make/windows-spawn/rmake.rs | 17 +++++++++++++++++ tests/run-make/windows-spawn/spawn.rs | 10 ++++------ 3 files changed, 21 insertions(+), 14 deletions(-) delete mode 100644 tests/run-make/windows-spawn/Makefile create mode 100644 tests/run-make/windows-spawn/rmake.rs diff --git a/tests/run-make/windows-spawn/Makefile b/tests/run-make/windows-spawn/Makefile deleted file mode 100644 index b6cdb169bab4..000000000000 --- a/tests/run-make/windows-spawn/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -include ../tools.mk - -# only-windows - -all: - $(RUSTC) -o "$(TMPDIR)/hopefullydoesntexist bar.exe" hello.rs - $(RUSTC) spawn.rs - $(TMPDIR)/spawn.exe diff --git a/tests/run-make/windows-spawn/rmake.rs b/tests/run-make/windows-spawn/rmake.rs new file mode 100644 index 000000000000..fb9cf1e21490 --- /dev/null +++ b/tests/run-make/windows-spawn/rmake.rs @@ -0,0 +1,17 @@ +//@ only-windows + +use run_make_support::{run, rustc, tmp_dir}; + +// On Windows `Command` uses `CreateProcessW` to run a new process. +// However, in the past std used to not pass in the application name, leaving +// `CreateProcessW` to use heuristics to guess the intended name from the +// command line string. Sometimes this could go very wrong. +// E.g. in Rust 1.0 `Command::new("foo").arg("bar").spawn()` will try to launch +// `foo bar.exe` if foo.exe does not exist. Which is clearly not desired. + +fn main() { + let out_dir = tmp_dir(); + rustc().input("hello.rs").output(out_dir.join("hopefullydoesntexist bar.exe")).run(); + rustc().input("spawn.rs").run(); + run("spawn"); +} diff --git a/tests/run-make/windows-spawn/spawn.rs b/tests/run-make/windows-spawn/spawn.rs index c34da3d5fde4..a9e86d1577e5 100644 --- a/tests/run-make/windows-spawn/spawn.rs +++ b/tests/run-make/windows-spawn/spawn.rs @@ -3,10 +3,8 @@ use std::process::Command; fn main() { // Make sure it doesn't try to run "hopefullydoesntexist bar.exe". - assert_eq!(Command::new("hopefullydoesntexist") - .arg("bar") - .spawn() - .unwrap_err() - .kind(), - ErrorKind::NotFound); + assert_eq!( + Command::new("hopefullydoesntexist").arg("bar").spawn().unwrap_err().kind(), + ErrorKind::NotFound + ) } From e03f9cb52debfbbc3d995584b572f219b31dad7f Mon Sep 17 00:00:00 2001 From: Chris Denton Date: Wed, 29 May 2024 13:14:19 +0000 Subject: [PATCH 0730/1716] Convert run-make/windows-safeseh to rmake --- src/tools/run-make-support/src/rustc.rs | 6 ++++++ tests/run-make/windows-safeseh/Makefile | 19 ------------------- tests/run-make/windows-safeseh/rmake.rs | 15 +++++++++++++++ 3 files changed, 21 insertions(+), 19 deletions(-) delete mode 100644 tests/run-make/windows-safeseh/Makefile create mode 100644 tests/run-make/windows-safeseh/rmake.rs diff --git a/src/tools/run-make-support/src/rustc.rs b/src/tools/run-make-support/src/rustc.rs index b424ae3f4210..5dde0f91feac 100644 --- a/src/tools/run-make-support/src/rustc.rs +++ b/src/tools/run-make-support/src/rustc.rs @@ -203,6 +203,12 @@ impl Rustc { self } + /// Specify the linker + pub fn linker(&mut self, linker: &str) -> &mut Self { + self.cmd.arg(format!("-Clinker={linker}")); + self + } + /// Get the [`Output`] of the finished process. #[track_caller] pub fn command_output(&mut self) -> ::std::process::Output { diff --git a/tests/run-make/windows-safeseh/Makefile b/tests/run-make/windows-safeseh/Makefile deleted file mode 100644 index d6a403961d79..000000000000 --- a/tests/run-make/windows-safeseh/Makefile +++ /dev/null @@ -1,19 +0,0 @@ -# only-windows -# needs-rust-lld - -include ../tools.mk - -all: foo bar - -# Ensure that LLD can link when an .rlib contains a synthetic object -# file referencing exported or used symbols. -foo: - $(RUSTC) -C linker=rust-lld foo.rs - -# Ensure that LLD can link when /WHOLEARCHIVE: is used with an .rlib. -# Previously, lib.rmeta was not marked as (trivially) SAFESEH-aware. -bar: baz - $(RUSTC) -C linker=rust-lld -C link-arg=/WHOLEARCHIVE:libbaz.rlib bar.rs - -baz: - $(RUSTC) baz.rs diff --git a/tests/run-make/windows-safeseh/rmake.rs b/tests/run-make/windows-safeseh/rmake.rs new file mode 100644 index 000000000000..10e6b38aa8df --- /dev/null +++ b/tests/run-make/windows-safeseh/rmake.rs @@ -0,0 +1,15 @@ +//@ only-windows +//@ needs-rust-lld + +use run_make_support::rustc; + +fn main() { + // Ensure that LLD can link when an .rlib contains a synthetic object + // file referencing exported or used symbols. + rustc().input("foo.rs").linker("rust-lld").run(); + + // Ensure that LLD can link when /WHOLEARCHIVE: is used with an .rlib. + // Previously, lib.rmeta was not marked as (trivially) SAFESEH-aware. + rustc().input("baz.rs").run(); + rustc().input("bar.rs").linker("rust-lld").link_arg("/WHOLEARCHIVE:libbaz.rlib").run(); +} From 5ec0c002edf05d7a5a3596c26f30ffa258b580bb Mon Sep 17 00:00:00 2001 From: Chris Denton Date: Wed, 29 May 2024 13:15:10 +0000 Subject: [PATCH 0731/1716] Convert windows-binary-no-external-deps to rmake --- .../windows-binary-no-external-deps/Makefile | 9 -------- .../windows-binary-no-external-deps/rmake.rs | 21 +++++++++++++++++++ 2 files changed, 21 insertions(+), 9 deletions(-) delete mode 100644 tests/run-make/windows-binary-no-external-deps/Makefile create mode 100644 tests/run-make/windows-binary-no-external-deps/rmake.rs diff --git a/tests/run-make/windows-binary-no-external-deps/Makefile b/tests/run-make/windows-binary-no-external-deps/Makefile deleted file mode 100644 index 8960020fed55..000000000000 --- a/tests/run-make/windows-binary-no-external-deps/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -include ../tools.mk - -# only-windows - -PATH=$(SYSTEMROOT)/system32 - -all: - $(RUSTC) hello.rs - $(TMPDIR)/hello.exe diff --git a/tests/run-make/windows-binary-no-external-deps/rmake.rs b/tests/run-make/windows-binary-no-external-deps/rmake.rs new file mode 100644 index 000000000000..6704fe041483 --- /dev/null +++ b/tests/run-make/windows-binary-no-external-deps/rmake.rs @@ -0,0 +1,21 @@ +//! Ensure that we aren't relying on any non-system DLLs when running +//! a "hello world" application by setting `PATH` to `C:\Windows\System32`. +//@ only-windows + +use run_make_support::{rustc, tmp_dir}; +use std::env; +use std::path::PathBuf; +use std::process::Command; + +fn main() { + rustc().input("hello.rs").run(); + + let windows_dir = env::var("SystemRoot").unwrap(); + let system32: PathBuf = [&windows_dir, "System32"].iter().collect(); + // Note: This does not use the support wrappers so that we can precisely control the PATH + let exe = tmp_dir().join("hello.exe"); + let status = Command::new(exe).env("PATH", &system32).spawn().unwrap().wait().unwrap(); + if !status.success() { + panic!("Command failed!\noutput status: `{status}`"); + } +} From f34bbdecc4cd8e39470cbe2cefe96d4aed351da9 Mon Sep 17 00:00:00 2001 From: Chris Denton Date: Wed, 29 May 2024 13:15:41 +0000 Subject: [PATCH 0732/1716] Remove Makefiles from allowed_run_make_makefiles --- src/tools/tidy/src/allowed_run_make_makefiles.txt | 5 ----- 1 file changed, 5 deletions(-) diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 75cd2b4c7731..fac11cd1566d 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -116,7 +116,6 @@ run-make/issue-83112-incr-test-moved-file/Makefile run-make/issue-84395-lto-embed-bitcode/Makefile run-make/issue-85019-moved-src-dir/Makefile run-make/issue-85401-static-mir/Makefile -run-make/issue-85441/Makefile run-make/issue-88756-default-output/Makefile run-make/issue-97463-abi-param-passing/Makefile run-make/jobserver-error/Makefile @@ -272,8 +271,4 @@ run-make/volatile-intrinsics/Makefile run-make/wasm-exceptions-nostd/Makefile run-make/wasm-override-linker/Makefile run-make/weird-output-filenames/Makefile -run-make/windows-binary-no-external-deps/Makefile -run-make/windows-safeseh/Makefile -run-make/windows-spawn/Makefile -run-make/windows-subsystem/Makefile run-make/x86_64-fortanix-unknown-sgx-lvi/Makefile From de1d0e0da9a93d2881b0416b05423c63488c2343 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Wed, 29 May 2024 15:52:29 +0200 Subject: [PATCH 0733/1716] Migrate `run-make/crate-data-smoke` to `rmake.rs` --- src/tools/run-make-support/src/rustc.rs | 2 +- .../tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/crate-data-smoke/Makefile | 10 ----- tests/run-make/crate-data-smoke/rmake.rs | 43 +++++++++++++++++++ 4 files changed, 44 insertions(+), 12 deletions(-) delete mode 100644 tests/run-make/crate-data-smoke/Makefile create mode 100644 tests/run-make/crate-data-smoke/rmake.rs diff --git a/src/tools/run-make-support/src/rustc.rs b/src/tools/run-make-support/src/rustc.rs index 1c83b630861c..0cd588a1eb3f 100644 --- a/src/tools/run-make-support/src/rustc.rs +++ b/src/tools/run-make-support/src/rustc.rs @@ -205,7 +205,7 @@ impl Rustc { /// Get the [`Output`][::std::process::Output] of the finished process. #[track_caller] - pub fn command_output(&mut self) -> ::std::process::Output { + pub fn command_output(&mut self) -> Output { // let's make sure we piped all the input and outputs self.cmd.stdin(Stdio::piped()); self.cmd.stdout(Stdio::piped()); diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 2329b8b44dea..a51a6932ef22 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -24,7 +24,6 @@ run-make/compiler-rt-works-on-mingw/Makefile run-make/compressed-debuginfo/Makefile run-make/const-prop-lint/Makefile run-make/const_fn_mir/Makefile -run-make/crate-data-smoke/Makefile run-make/crate-hash-rustc-version/Makefile run-make/crate-name-priority/Makefile run-make/cross-lang-lto-clang/Makefile diff --git a/tests/run-make/crate-data-smoke/Makefile b/tests/run-make/crate-data-smoke/Makefile deleted file mode 100644 index a453f65ff3ea..000000000000 --- a/tests/run-make/crate-data-smoke/Makefile +++ /dev/null @@ -1,10 +0,0 @@ -include ../tools.mk - -all: - [ `$(RUSTC) --print crate-name crate.rs` = "foo" ] - [ `$(RUSTC) --print file-names crate.rs` = "$(call BIN,foo)" ] - [ `$(RUSTC) --print file-names --crate-type=lib \ - --test crate.rs` = "$(call BIN,foo)" ] - [ `$(RUSTC) --print file-names --test lib.rs` = "$(call BIN,mylib)" ] - $(RUSTC) --print file-names lib.rs - $(RUSTC) --print file-names rlib.rs diff --git a/tests/run-make/crate-data-smoke/rmake.rs b/tests/run-make/crate-data-smoke/rmake.rs new file mode 100644 index 000000000000..9c9b1c334c0e --- /dev/null +++ b/tests/run-make/crate-data-smoke/rmake.rs @@ -0,0 +1,43 @@ +use std::process::Output; + +use run_make_support::{bin_name, rust_lib, rustc}; + +fn compare_stdout>(output: Output, expected: S) { + assert_eq!( + String::from_utf8(output.stdout).unwrap().trim(), + expected.as_ref() + ); +} + +fn main() { + compare_stdout(rustc().print("crate-name").input("crate.rs").run(), "foo"); + compare_stdout( + rustc().print("file-names").input("crate.rs").run(), + bin_name("foo"), + ); + compare_stdout( + rustc() + .print("file-names") + .crate_type("lib") + .arg("--test") + .input("crate.rs") + .run(), + bin_name("foo"), + ); + compare_stdout( + rustc() + .print("file-names") + .arg("--test") + .input("lib.rs") + .run(), + bin_name("mylib"), + ); + compare_stdout( + rustc().print("file-names").input("lib.rs").run(), + rust_lib("mylib").file_name().unwrap().to_string_lossy(), + ); + compare_stdout( + rustc().print("file-names").input("rlib.rs").run(), + rust_lib("mylib").file_name().unwrap().to_string_lossy(), + ); +} From 4aafecb1693c30625c3f8d75f428edf3dad22755 Mon Sep 17 00:00:00 2001 From: Alice Ryhl Date: Wed, 29 May 2024 16:58:46 +0200 Subject: [PATCH 0734/1716] Simplify check for unsupported architectures --- tests/ui/abi/fixed_x18.arm.stderr | 2 -- tests/ui/abi/fixed_x18.i686.stderr | 2 -- tests/ui/abi/fixed_x18.riscv32.stderr | 2 -- tests/ui/abi/fixed_x18.riscv64.stderr | 2 -- tests/ui/abi/fixed_x18.rs | 2 ++ tests/ui/abi/fixed_x18.x64.stderr | 2 -- 6 files changed, 2 insertions(+), 10 deletions(-) delete mode 100644 tests/ui/abi/fixed_x18.arm.stderr delete mode 100644 tests/ui/abi/fixed_x18.i686.stderr delete mode 100644 tests/ui/abi/fixed_x18.riscv32.stderr delete mode 100644 tests/ui/abi/fixed_x18.riscv64.stderr delete mode 100644 tests/ui/abi/fixed_x18.x64.stderr diff --git a/tests/ui/abi/fixed_x18.arm.stderr b/tests/ui/abi/fixed_x18.arm.stderr deleted file mode 100644 index 68728dd9307a..000000000000 --- a/tests/ui/abi/fixed_x18.arm.stderr +++ /dev/null @@ -1,2 +0,0 @@ -error: the `-Zfixed-x18` flag is not supported on the `arm` architecture - diff --git a/tests/ui/abi/fixed_x18.i686.stderr b/tests/ui/abi/fixed_x18.i686.stderr deleted file mode 100644 index 458c0679f843..000000000000 --- a/tests/ui/abi/fixed_x18.i686.stderr +++ /dev/null @@ -1,2 +0,0 @@ -error: the `-Zfixed-x18` flag is not supported on the `x86` architecture - diff --git a/tests/ui/abi/fixed_x18.riscv32.stderr b/tests/ui/abi/fixed_x18.riscv32.stderr deleted file mode 100644 index e872fb4455b7..000000000000 --- a/tests/ui/abi/fixed_x18.riscv32.stderr +++ /dev/null @@ -1,2 +0,0 @@ -error: the `-Zfixed-x18` flag is not supported on the `riscv32` architecture - diff --git a/tests/ui/abi/fixed_x18.riscv64.stderr b/tests/ui/abi/fixed_x18.riscv64.stderr deleted file mode 100644 index 7127e5d7056f..000000000000 --- a/tests/ui/abi/fixed_x18.riscv64.stderr +++ /dev/null @@ -1,2 +0,0 @@ -error: the `-Zfixed-x18` flag is not supported on the `riscv64` architecture - diff --git a/tests/ui/abi/fixed_x18.rs b/tests/ui/abi/fixed_x18.rs index 6d00cb2709da..f1ff3e1d5341 100644 --- a/tests/ui/abi/fixed_x18.rs +++ b/tests/ui/abi/fixed_x18.rs @@ -2,6 +2,8 @@ // Behavior on aarch64 is tested by tests/codegen/fixed-x18.rs. // //@ revisions: x64 i686 arm riscv32 riscv64 +//@ error-pattern: the `-Zfixed-x18` flag is not supported +//@ dont-check-compiler-stderr // //@ compile-flags: -Zfixed-x18 //@ [x64] needs-llvm-components: x86 diff --git a/tests/ui/abi/fixed_x18.x64.stderr b/tests/ui/abi/fixed_x18.x64.stderr deleted file mode 100644 index 6dc367f9edce..000000000000 --- a/tests/ui/abi/fixed_x18.x64.stderr +++ /dev/null @@ -1,2 +0,0 @@ -error: the `-Zfixed-x18` flag is not supported on the `x86_64` architecture - From c4c8bda689b3cb4474ef0aaad4bbcfaeeef434c1 Mon Sep 17 00:00:00 2001 From: Urgau Date: Wed, 29 May 2024 14:47:01 +0200 Subject: [PATCH 0735/1716] non_local_defs: indicate that the macro needs to change aaa --- compiler/rustc_lint/messages.ftl | 1 + compiler/rustc_lint/src/lints.rs | 8 ++++++++ compiler/rustc_lint/src/non_local_def.rs | 8 ++++++++ tests/ui/lint/non-local-defs/cargo-update.stderr | 1 + tests/ui/lint/non-local-defs/inside-macro_rules.stderr | 1 + 5 files changed, 19 insertions(+) diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index d2b1f50d79cb..28f75a8193b9 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -550,6 +550,7 @@ lint_non_local_definitions_impl = non-local `impl` definition, `impl` blocks sho .bounds = `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type .exception = items in an anonymous const item (`const _: () = {"{"} ... {"}"}`) are treated as in the same scope as the anonymous const's declaration .const_anon = use a const-anon item to suppress this lint + .macro_to_change = the {$macro_kind} `{$macro_to_change}` defines the non-local `impl`, and may need to be changed lint_non_local_definitions_impl_move_help = move the `impl` block outside of this {$body_kind_descr} {$depth -> diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index c365e68ba44d..91a600e754f9 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -1355,6 +1355,7 @@ pub enum NonLocalDefinitionsDiag { has_trait: bool, self_ty_str: String, of_trait_str: Option, + macro_to_change: Option<(String, &'static str)>, }, MacroRules { depth: u32, @@ -1380,6 +1381,7 @@ impl<'a> LintDiagnostic<'a, ()> for NonLocalDefinitionsDiag { has_trait, self_ty_str, of_trait_str, + macro_to_change, } => { diag.primary_message(fluent::lint_non_local_definitions_impl); diag.arg("depth", depth); @@ -1390,6 +1392,12 @@ impl<'a> LintDiagnostic<'a, ()> for NonLocalDefinitionsDiag { diag.arg("of_trait_str", of_trait_str); } + if let Some((macro_to_change, macro_kind)) = macro_to_change { + diag.arg("macro_to_change", macro_to_change); + diag.arg("macro_kind", macro_kind); + diag.note(fluent::lint_macro_to_change); + } + if has_trait { diag.note(fluent::lint_bounds); diag.note(fluent::lint_with_trait); diff --git a/compiler/rustc_lint/src/non_local_def.rs b/compiler/rustc_lint/src/non_local_def.rs index 42b03f47a5bc..ac5ed9d21906 100644 --- a/compiler/rustc_lint/src/non_local_def.rs +++ b/compiler/rustc_lint/src/non_local_def.rs @@ -258,6 +258,13 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions { Some((cx.tcx.def_span(parent), may_move)) }; + let macro_to_change = + if let ExpnKind::Macro(kind, name) = item.span.ctxt().outer_expn_data().kind { + Some((name.to_string(), kind.descr())) + } else { + None + }; + cx.emit_span_lint( NON_LOCAL_DEFINITIONS, ms, @@ -274,6 +281,7 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions { move_to, may_remove, has_trait: impl_.of_trait.is_some(), + macro_to_change, }, ) } diff --git a/tests/ui/lint/non-local-defs/cargo-update.stderr b/tests/ui/lint/non-local-defs/cargo-update.stderr index 888fd2e61837..c1f224edeba5 100644 --- a/tests/ui/lint/non-local-defs/cargo-update.stderr +++ b/tests/ui/lint/non-local-defs/cargo-update.stderr @@ -8,6 +8,7 @@ LL | non_local_macro::non_local_impl!(LocalStruct); | `Debug` is not local | move the `impl` block outside of this constant `_IMPL_DEBUG` | + = note: the macro `non_local_macro::non_local_impl` defines the non-local `impl`, and may need to be changed = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: the macro `non_local_macro::non_local_impl` may come from an old version of the `non_local_macro` crate, try updating your dependency with `cargo update -p non_local_macro` diff --git a/tests/ui/lint/non-local-defs/inside-macro_rules.stderr b/tests/ui/lint/non-local-defs/inside-macro_rules.stderr index b52301d1aa08..fa9ba2cb785d 100644 --- a/tests/ui/lint/non-local-defs/inside-macro_rules.stderr +++ b/tests/ui/lint/non-local-defs/inside-macro_rules.stderr @@ -12,6 +12,7 @@ LL | impl MacroTrait for OutsideStruct {} LL | m!(); | ---- in this macro invocation | + = note: the macro `m` defines the non-local `impl`, and may need to be changed = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue From b5d486793647ef4df01259639cae2ee908bde659 Mon Sep 17 00:00:00 2001 From: Urgau Date: Wed, 29 May 2024 17:01:43 +0200 Subject: [PATCH 0736/1716] non_local_defs: move cargo update suggestion upper --- compiler/rustc_lint/src/lints.rs | 6 +++--- tests/ui/lint/non-local-defs/cargo-update.stderr | 2 +- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index 91a600e754f9..d45d71ff8fe6 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -1397,6 +1397,9 @@ impl<'a> LintDiagnostic<'a, ()> for NonLocalDefinitionsDiag { diag.arg("macro_kind", macro_kind); diag.note(fluent::lint_macro_to_change); } + if let Some(cargo_update) = cargo_update { + diag.subdiagnostic(&diag.dcx, cargo_update); + } if has_trait { diag.note(fluent::lint_bounds); @@ -1423,9 +1426,6 @@ impl<'a> LintDiagnostic<'a, ()> for NonLocalDefinitionsDiag { ); } - if let Some(cargo_update) = cargo_update { - diag.subdiagnostic(&diag.dcx, cargo_update); - } if let Some(const_anon) = const_anon { diag.note(fluent::lint_exception); if let Some(const_anon) = const_anon { diff --git a/tests/ui/lint/non-local-defs/cargo-update.stderr b/tests/ui/lint/non-local-defs/cargo-update.stderr index c1f224edeba5..afd37d03a231 100644 --- a/tests/ui/lint/non-local-defs/cargo-update.stderr +++ b/tests/ui/lint/non-local-defs/cargo-update.stderr @@ -9,9 +9,9 @@ LL | non_local_macro::non_local_impl!(LocalStruct); | move the `impl` block outside of this constant `_IMPL_DEBUG` | = note: the macro `non_local_macro::non_local_impl` defines the non-local `impl`, and may need to be changed + = note: the macro `non_local_macro::non_local_impl` may come from an old version of the `non_local_macro` crate, try updating your dependency with `cargo update -p non_local_macro` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: the macro `non_local_macro::non_local_impl` may come from an old version of the `non_local_macro` crate, try updating your dependency with `cargo update -p non_local_macro` = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default From 22953b3f52a06c5b4826d455fba526c36ef8cb58 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Tue, 28 May 2024 10:58:01 -0400 Subject: [PATCH 0737/1716] convert simple-dylib to ui test --- src/tools/tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/simple-dylib/Makefile | 6 ------ tests/run-make/simple-dylib/bar.rs | 1 - tests/run-make/simple-dylib/foo.rs | 5 ----- tests/ui/imports/auxiliary/simple-dylib.rs | 4 ++++ tests/ui/imports/simple-dylib-import.rs | 12 ++++++++++++ 6 files changed, 16 insertions(+), 13 deletions(-) delete mode 100644 tests/run-make/simple-dylib/Makefile delete mode 100644 tests/run-make/simple-dylib/bar.rs delete mode 100644 tests/run-make/simple-dylib/foo.rs create mode 100644 tests/ui/imports/auxiliary/simple-dylib.rs create mode 100644 tests/ui/imports/simple-dylib-import.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 75cd2b4c7731..1639286e9021 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -235,7 +235,6 @@ run-make/share-generics-dylib/Makefile run-make/short-ice/Makefile run-make/silly-file-names/Makefile run-make/simd-ffi/Makefile -run-make/simple-dylib/Makefile run-make/split-debuginfo/Makefile run-make/stable-symbol-names/Makefile run-make/static-dylib-by-default/Makefile diff --git a/tests/run-make/simple-dylib/Makefile b/tests/run-make/simple-dylib/Makefile deleted file mode 100644 index f3e1c1da88ce..000000000000 --- a/tests/run-make/simple-dylib/Makefile +++ /dev/null @@ -1,6 +0,0 @@ -# ignore-cross-compile -include ../tools.mk -all: - $(RUSTC) bar.rs --crate-type=dylib -C prefer-dynamic - $(RUSTC) foo.rs - $(call RUN,foo) diff --git a/tests/run-make/simple-dylib/bar.rs b/tests/run-make/simple-dylib/bar.rs deleted file mode 100644 index c5c0bc606cd6..000000000000 --- a/tests/run-make/simple-dylib/bar.rs +++ /dev/null @@ -1 +0,0 @@ -pub fn bar() {} diff --git a/tests/run-make/simple-dylib/foo.rs b/tests/run-make/simple-dylib/foo.rs deleted file mode 100644 index 8d68535e3b64..000000000000 --- a/tests/run-make/simple-dylib/foo.rs +++ /dev/null @@ -1,5 +0,0 @@ -extern crate bar; - -fn main() { - bar::bar(); -} diff --git a/tests/ui/imports/auxiliary/simple-dylib.rs b/tests/ui/imports/auxiliary/simple-dylib.rs new file mode 100644 index 000000000000..1b5d85104ca1 --- /dev/null +++ b/tests/ui/imports/auxiliary/simple-dylib.rs @@ -0,0 +1,4 @@ +//@ compile-flags --crate-type=dylib -Cprefer-dynamic + +#![crate_type = "dylib"] +pub fn bar() {} diff --git a/tests/ui/imports/simple-dylib-import.rs b/tests/ui/imports/simple-dylib-import.rs new file mode 100644 index 000000000000..7c7f3afec93b --- /dev/null +++ b/tests/ui/imports/simple-dylib-import.rs @@ -0,0 +1,12 @@ +// A simple test, where foo.rs has a dependency +// on the dynamic library simple-dylib.rs. If the test passes, +// dylibs can be built and linked into another file successfully.. + +//@ aux-crate: simple-dylib.rs +//@ run-pass + +extern crate bar; + +fn main() { + bar::bar(); +} From 0697884ea970ebca67b2de41dc1d380e66fd9c2b Mon Sep 17 00:00:00 2001 From: Oneirical Date: Tue, 28 May 2024 11:17:17 -0400 Subject: [PATCH 0738/1716] convert fpic to ui test --- tests/run-make/fpic/Makefile | 11 ----------- tests/run-make/fpic/hello.rs | 1 - tests/ui/errors/pic-linker.rs | 12 ++++++++++++ 3 files changed, 12 insertions(+), 12 deletions(-) delete mode 100644 tests/run-make/fpic/Makefile delete mode 100644 tests/run-make/fpic/hello.rs create mode 100644 tests/ui/errors/pic-linker.rs diff --git a/tests/run-make/fpic/Makefile b/tests/run-make/fpic/Makefile deleted file mode 100644 index d3754d17372f..000000000000 --- a/tests/run-make/fpic/Makefile +++ /dev/null @@ -1,11 +0,0 @@ -# ignore-cross-compile -include ../tools.mk - -# ignore-windows -# ignore-apple - -# Test for #39529. -# `-z text` causes ld to error if there are any non-PIC sections - -all: - $(RUSTC) hello.rs -C link-args=-Wl,-z,text diff --git a/tests/run-make/fpic/hello.rs b/tests/run-make/fpic/hello.rs deleted file mode 100644 index 45590d86ba6c..000000000000 --- a/tests/run-make/fpic/hello.rs +++ /dev/null @@ -1 +0,0 @@ -fn main() { } diff --git a/tests/ui/errors/pic-linker.rs b/tests/ui/errors/pic-linker.rs new file mode 100644 index 000000000000..9fea42484ed8 --- /dev/null +++ b/tests/ui/errors/pic-linker.rs @@ -0,0 +1,12 @@ +// `-z text` caused the linker to error if there were any non-position-independent +// code (PIC) sections. This test checks that this no longer happens. +// See https://github.com/rust-lang/rust/pull/39803 + +//@ ignore-windows +//@ ignore-macos +//@ ignore-cross-compile + +//@ compile-flags -Clink-args=-Wl,-z,text +//@ run-pass + +fn main() {} From 8c8d0db02deccea377e179948b8b3bfdd4b92e44 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Tue, 28 May 2024 11:35:33 -0400 Subject: [PATCH 0739/1716] rewrite and rename issue-37893 to rmake --- src/tools/tidy/src/allowed_run_make_makefiles.txt | 2 -- tests/run-make/issue-37893/Makefile | 5 ----- .../{issue-37893 => proc-macro-init-order}/a.rs | 0 .../{issue-37893 => proc-macro-init-order}/b.rs | 0 .../{issue-37893 => proc-macro-init-order}/c.rs | 0 tests/run-make/proc-macro-init-order/rmake.rs | 15 +++++++++++++++ tests/ui/errors/pic-linker.rs | 2 +- tests/ui/imports/auxiliary/simple-dylib.rs | 2 +- tests/ui/imports/simple-dylib-import.rs | 2 +- 9 files changed, 18 insertions(+), 10 deletions(-) delete mode 100644 tests/run-make/issue-37893/Makefile rename tests/run-make/{issue-37893 => proc-macro-init-order}/a.rs (100%) rename tests/run-make/{issue-37893 => proc-macro-init-order}/b.rs (100%) rename tests/run-make/{issue-37893 => proc-macro-init-order}/c.rs (100%) create mode 100644 tests/run-make/proc-macro-init-order/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 1639286e9021..c47361ebc059 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -72,7 +72,6 @@ run-make/forced-unwind-terminate-pof/Makefile run-make/foreign-double-unwind/Makefile run-make/foreign-exceptions/Makefile run-make/foreign-rust-exceptions/Makefile -run-make/fpic/Makefile run-make/glibc-staticlib-args/Makefile run-make/inaccessible-temp-dir/Makefile run-make/include_bytes_deps/Makefile @@ -103,7 +102,6 @@ run-make/issue-33329/Makefile run-make/issue-35164/Makefile run-make/issue-36710/Makefile run-make/issue-37839/Makefile -run-make/issue-37893/Makefile run-make/issue-40535/Makefile run-make/issue-47384/Makefile run-make/issue-47551/Makefile diff --git a/tests/run-make/issue-37893/Makefile b/tests/run-make/issue-37893/Makefile deleted file mode 100644 index 44e4a321a30a..000000000000 --- a/tests/run-make/issue-37893/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -# ignore-cross-compile -include ../tools.mk - -all: - $(RUSTC) a.rs && $(RUSTC) b.rs && $(RUSTC) c.rs diff --git a/tests/run-make/issue-37893/a.rs b/tests/run-make/proc-macro-init-order/a.rs similarity index 100% rename from tests/run-make/issue-37893/a.rs rename to tests/run-make/proc-macro-init-order/a.rs diff --git a/tests/run-make/issue-37893/b.rs b/tests/run-make/proc-macro-init-order/b.rs similarity index 100% rename from tests/run-make/issue-37893/b.rs rename to tests/run-make/proc-macro-init-order/b.rs diff --git a/tests/run-make/issue-37893/c.rs b/tests/run-make/proc-macro-init-order/c.rs similarity index 100% rename from tests/run-make/issue-37893/c.rs rename to tests/run-make/proc-macro-init-order/c.rs diff --git a/tests/run-make/proc-macro-init-order/rmake.rs b/tests/run-make/proc-macro-init-order/rmake.rs new file mode 100644 index 000000000000..3c3fc813381c --- /dev/null +++ b/tests/run-make/proc-macro-init-order/rmake.rs @@ -0,0 +1,15 @@ +// a.rs is a procedural macro crate, on which b.rs and c.rs depend. A now +// patched bug caused a compilation failure if the proc-macro crate was +// initialized with its dependents in this exact order. This test checks +// that compilation succeeds even when initialization is done in this order. +// See https://github.com/rust-lang/rust/issues/37893 + +//@ ignore-cross-compile + +use run_make_support::rustc; + +fn main() { + rustc().input("a.rs").run(); + rustc().input("b.rs").run(); + rustc().input("c.rs").run(); +} diff --git a/tests/ui/errors/pic-linker.rs b/tests/ui/errors/pic-linker.rs index 9fea42484ed8..d90989903048 100644 --- a/tests/ui/errors/pic-linker.rs +++ b/tests/ui/errors/pic-linker.rs @@ -6,7 +6,7 @@ //@ ignore-macos //@ ignore-cross-compile -//@ compile-flags -Clink-args=-Wl,-z,text +//@ compile-flags: -Clink-args=-Wl,-z,text //@ run-pass fn main() {} diff --git a/tests/ui/imports/auxiliary/simple-dylib.rs b/tests/ui/imports/auxiliary/simple-dylib.rs index 1b5d85104ca1..af64aa66f31b 100644 --- a/tests/ui/imports/auxiliary/simple-dylib.rs +++ b/tests/ui/imports/auxiliary/simple-dylib.rs @@ -1,4 +1,4 @@ -//@ compile-flags --crate-type=dylib -Cprefer-dynamic +//@ compile-flags: -Cprefer-dynamic #![crate_type = "dylib"] pub fn bar() {} diff --git a/tests/ui/imports/simple-dylib-import.rs b/tests/ui/imports/simple-dylib-import.rs index 7c7f3afec93b..d8ee3496b90d 100644 --- a/tests/ui/imports/simple-dylib-import.rs +++ b/tests/ui/imports/simple-dylib-import.rs @@ -2,7 +2,7 @@ // on the dynamic library simple-dylib.rs. If the test passes, // dylibs can be built and linked into another file successfully.. -//@ aux-crate: simple-dylib.rs +//@ aux-crate:bar=simple-dylib.rs //@ run-pass extern crate bar; From 301d7229f706cbb95e78cd2319148bcbf22d80a1 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Wed, 29 May 2024 18:00:14 +0200 Subject: [PATCH 0740/1716] Add `run-make-support::rust_lib_name` --- src/tools/run-make-support/src/lib.rs | 8 +++++++- tests/run-make/crate-data-smoke/rmake.rs | 6 +++--- 2 files changed, 10 insertions(+), 4 deletions(-) diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index d96c8b891278..c7f48ad3f19f 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -135,7 +135,13 @@ pub fn dynamic_lib_name(name: &str) -> String { /// Construct a path to a rust library (rlib) under `$TMPDIR` given the library name. This will return a /// path with `$TMPDIR` joined with the library name. pub fn rust_lib(name: &str) -> PathBuf { - tmp_dir().join(format!("lib{name}.rlib")) + tmp_dir().join(rust_lib_name(name)) +} + +/// Generate the name a rust library (rlib) would have. If you want the complete path, use +/// [`rust_lib`] instead. +pub fn rust_lib_name(name: &str) -> String { + format!("lib{name}.rlib") } /// Construct the binary name based on platform. diff --git a/tests/run-make/crate-data-smoke/rmake.rs b/tests/run-make/crate-data-smoke/rmake.rs index 9c9b1c334c0e..80d43903a532 100644 --- a/tests/run-make/crate-data-smoke/rmake.rs +++ b/tests/run-make/crate-data-smoke/rmake.rs @@ -1,6 +1,6 @@ use std::process::Output; -use run_make_support::{bin_name, rust_lib, rustc}; +use run_make_support::{bin_name, rust_lib_name, rustc}; fn compare_stdout>(output: Output, expected: S) { assert_eq!( @@ -34,10 +34,10 @@ fn main() { ); compare_stdout( rustc().print("file-names").input("lib.rs").run(), - rust_lib("mylib").file_name().unwrap().to_string_lossy(), + rust_lib_name("mylib"), ); compare_stdout( rustc().print("file-names").input("rlib.rs").run(), - rust_lib("mylib").file_name().unwrap().to_string_lossy(), + rust_lib_name("mylib"), ); } From d5bd4e233d2bb4415138e384e66379eedbc7e76e Mon Sep 17 00:00:00 2001 From: Boxy Date: Wed, 29 May 2024 17:06:50 +0100 Subject: [PATCH 0741/1716] Partially implement `ConstArgHasType` --- .../rustc_infer/src/infer/relate/combine.rs | 9 +- .../rustc_trait_selection/src/solve/mod.rs | 26 +++- .../error_reporting/type_err_ctxt_ext.rs | 16 +++ .../src/traits/fulfill.rs | 41 ++++-- .../src/traits/select/mod.rs | 19 ++- .../121858.rs} | 7 +- tests/crashes/122638.rs | 12 -- tests/crashes/123141-2.rs | 23 ---- tests/crashes/123141.rs | 27 ++-- .../generic_const_type_mismatch.rs | 1 + .../generic_const_type_mismatch.stderr | 14 +- .../alias_const_param_ty-1.rs} | 4 +- .../alias_const_param_ty-1.stderr | 19 +++ .../alias_const_param_ty-2.rs} | 11 +- .../alias_const_param_ty-2.stderr | 11 ++ .../ui/const-generics/bad-subst-const-kind.rs | 6 +- .../bad-subst-const-kind.stderr | 17 ++- .../const-generics/defaults/doesnt_infer.rs | 4 +- .../defaults/doesnt_infer.stderr | 2 +- .../generic_arg_infer/issue-91614.rs | 2 +- ...-125520-layout-mismatch-mulwithoverflow.rs | 27 ---- ...520-layout-mismatch-mulwithoverflow.stderr | 125 ------------------ .../generic_const_exprs/type_mismatch.rs | 2 +- .../generic_const_exprs/type_mismatch.stderr | 14 +- .../ui/const-generics/issues/issue-105821.rs | 11 +- .../const-generics/issues/issue-105821.stderr | 8 -- tests/ui/consts/eval_type_mismatch.stderr | 34 ----- tests/ui/inference/issue-83606.rs | 2 +- .../bad-const-wf-doesnt-specialize.rs | 3 +- .../bad-const-wf-doesnt-specialize.stderr | 36 ++--- 30 files changed, 206 insertions(+), 327 deletions(-) rename tests/{ui/consts/eval_type_mismatch.rs => crashes/121858.rs} (53%) delete mode 100644 tests/crashes/122638.rs delete mode 100644 tests/crashes/123141-2.rs rename tests/{crashes/114456.rs => ui/const-generics/adt_const_params/alias_const_param_ty-1.rs} (69%) create mode 100644 tests/ui/const-generics/adt_const_params/alias_const_param_ty-1.stderr rename tests/{crashes/114456-2.rs => ui/const-generics/adt_const_params/alias_const_param_ty-2.rs} (64%) create mode 100644 tests/ui/const-generics/adt_const_params/alias_const_param_ty-2.stderr delete mode 100644 tests/ui/const-generics/generic_const_exprs/ice-125520-layout-mismatch-mulwithoverflow.rs delete mode 100644 tests/ui/const-generics/generic_const_exprs/ice-125520-layout-mismatch-mulwithoverflow.stderr delete mode 100644 tests/ui/const-generics/issues/issue-105821.stderr delete mode 100644 tests/ui/consts/eval_type_mismatch.stderr diff --git a/compiler/rustc_infer/src/infer/relate/combine.rs b/compiler/rustc_infer/src/infer/relate/combine.rs index 7e7d4f43c7cc..e721c36dec3d 100644 --- a/compiler/rustc_infer/src/infer/relate/combine.rs +++ b/compiler/rustc_infer/src/infer/relate/combine.rs @@ -22,11 +22,10 @@ use super::glb::Glb; use super::lub::Lub; use super::type_relating::TypeRelating; use super::StructurallyRelateAliases; -use crate::infer::{DefineOpaqueTypes, InferCtxt, InferOk, TypeTrace}; +use crate::infer::{DefineOpaqueTypes, InferCtxt, TypeTrace}; use crate::traits::{Obligation, PredicateObligations}; use rustc_middle::bug; use rustc_middle::infer::unify_key::EffectVarValue; -use rustc_middle::traits::ObligationCause; use rustc_middle::ty::error::{ExpectedFound, TypeError}; use rustc_middle::ty::relate::{RelateResult, TypeRelation}; use rustc_middle::ty::{self, InferConst, Ty, TyCtxt, TypeVisitableExt, Upcast}; @@ -159,12 +158,6 @@ impl<'tcx> InferCtxt<'tcx> { let a = self.shallow_resolve_const(a); let b = self.shallow_resolve_const(b); - // It is always an error if the types of two constants that are related are not equal. - let InferOk { value: (), obligations } = self - .at(&ObligationCause::dummy_with_span(relation.span()), relation.param_env()) - .eq(DefineOpaqueTypes::No, a.ty(), b.ty())?; - relation.register_obligations(obligations); - match (a.kind(), b.kind()) { ( ty::ConstKind::Infer(InferConst::Var(a_vid)), diff --git a/compiler/rustc_trait_selection/src/solve/mod.rs b/compiler/rustc_trait_selection/src/solve/mod.rs index a432090f78cd..f9febd290fe7 100644 --- a/compiler/rustc_trait_selection/src/solve/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/mod.rs @@ -197,8 +197,30 @@ impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { goal: Goal<'tcx, (ty::Const<'tcx>, Ty<'tcx>)>, ) -> QueryResult<'tcx> { let (ct, ty) = goal.predicate; - self.eq(goal.param_env, ct.ty(), ty)?; - self.evaluate_added_goals_and_make_canonical_response(Certainty::Yes) + + // FIXME(BoxyUwU): Really we should not be calling `ct.ty()` for any variant + // other than `ConstKind::Value`. Unfortunately this would require looking in the + // env for any `ConstArgHasType` assumptions for parameters and placeholders. I + // have not yet gotten around to implementing this though. + // + // We do still stall on infer vars though as otherwise a goal like: + // `ConstArgHasType(?x: usize, usize)` can succeed even though it might later + // get unified with some const that is not of type `usize`. + match ct.kind() { + // FIXME: Ignore effect vars because canonicalization doesn't handle them correctly + // and if we stall on the var then we wind up creating ambiguity errors in a probe + // for this goal which contains an effect var. Which then ends up ICEing. + ty::ConstKind::Infer(ty::InferConst::Var(_)) => { + self.evaluate_added_goals_and_make_canonical_response(Certainty::AMBIGUOUS) + } + ty::ConstKind::Error(_) => { + self.evaluate_added_goals_and_make_canonical_response(Certainty::Yes) + } + _ => { + self.eq(goal.param_env, ct.ty(), ty)?; + self.evaluate_added_goals_and_make_canonical_response(Certainty::Yes) + } + } } } diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs index 46953a61296a..7f995b315f74 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs @@ -2685,6 +2685,22 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { .with_span_label(span, format!("cannot satisfy `{predicate}`")) } } + + // Given some `ConstArgHasType(?x, usize)`, we should not emit an error such as + // "type annotations needed: cannot satisfy the constant `_` has type `usize`" + // Instead we should emit a normal error suggesting the user to turbofish the + // const parameter that is currently being inferred. Unfortunately we cannot + // nicely emit such an error so we delay an ICE incase nobody else reports it + // for us. + ty::PredicateKind::Clause(ty::ClauseKind::ConstArgHasType(ct, ty)) => { + return self.tcx.sess.dcx().span_delayed_bug( + span, + format!( + "`ambiguous ConstArgHasType({:?}, {:?}) unaccompanied by inference error`", + ct, ty + ), + ); + } _ => { if let Some(e) = self.tainted_by_errors() { return e; diff --git a/compiler/rustc_trait_selection/src/traits/fulfill.rs b/compiler/rustc_trait_selection/src/traits/fulfill.rs index 07fcf109fdaa..c64d1be751cb 100644 --- a/compiler/rustc_trait_selection/src/traits/fulfill.rs +++ b/compiler/rustc_trait_selection/src/traits/fulfill.rs @@ -429,16 +429,37 @@ impl<'a, 'tcx> ObligationProcessor for FulfillProcessor<'a, 'tcx> { // This is because this is not ever a useful obligation to report // as the cause of an overflow. ty::PredicateKind::Clause(ty::ClauseKind::ConstArgHasType(ct, ty)) => { - match self.selcx.infcx.at(&obligation.cause, obligation.param_env).eq( - // Only really excercised by generic_const_exprs - DefineOpaqueTypes::Yes, - ct.ty(), - ty, - ) { - Ok(inf_ok) => ProcessResult::Changed(mk_pending(inf_ok.into_obligations())), - Err(_) => ProcessResult::Error(FulfillmentErrorCode::Select( - SelectionError::Unimplemented, - )), + // FIXME(BoxyUwU): Really we should not be calling `ct.ty()` for any variant + // other than `ConstKind::Value`. Unfortunately this would require looking in the + // env for any `ConstArgHasType` assumptions for parameters and placeholders. I + // don't really want to implement this in the old solver so I haven't. + // + // We do still stall on infer vars though as otherwise a goal like: + // `ConstArgHasType(?x: usize, usize)` can succeed even though it might later + // get unified with some const that is not of type `usize`. + let ct = self.selcx.infcx.shallow_resolve_const(ct); + match ct.kind() { + ty::ConstKind::Infer(ty::InferConst::Var(vid)) => { + pending_obligation.stalled_on.clear(); + pending_obligation.stalled_on.extend([TyOrConstInferVar::Const(vid)]); + ProcessResult::Unchanged + } + ty::ConstKind::Error(_) => return ProcessResult::Changed(vec![]), + _ => { + match self.selcx.infcx.at(&obligation.cause, obligation.param_env).eq( + // Only really excercised by generic_const_exprs + DefineOpaqueTypes::Yes, + ct.ty(), + ty, + ) { + Ok(inf_ok) => { + ProcessResult::Changed(mk_pending(inf_ok.into_obligations())) + } + Err(_) => ProcessResult::Error(FulfillmentErrorCode::Select( + SelectionError::Unimplemented, + )), + } + } } } diff --git a/compiler/rustc_trait_selection/src/traits/select/mod.rs b/compiler/rustc_trait_selection/src/traits/select/mod.rs index 696b1c151153..1f53e8cc671d 100644 --- a/compiler/rustc_trait_selection/src/traits/select/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/select/mod.rs @@ -992,10 +992,27 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { } ty::PredicateKind::Ambiguous => Ok(EvaluatedToAmbig), ty::PredicateKind::Clause(ty::ClauseKind::ConstArgHasType(ct, ty)) => { + // FIXME(BoxyUwU): Really we should not be calling `ct.ty()` for any variant + // other than `ConstKind::Value`. Unfortunately this would require looking in the + // env for any `ConstArgHasType` assumptions for parameters and placeholders. I + // don't really want to implement this in the old solver so I haven't. + // + // We do still stall on infer vars though as otherwise a goal like: + // `ConstArgHasType(?x: usize, usize)` can succeed even though it might later + // get unified with some const that is not of type `usize`. + let ct = self.infcx.shallow_resolve_const(ct); + let ct_ty = match ct.kind() { + ty::ConstKind::Infer(ty::InferConst::Var(_)) => { + return Ok(EvaluatedToAmbig); + } + ty::ConstKind::Error(_) => return Ok(EvaluatedToOk), + _ => ct.ty(), + }; + match self.infcx.at(&obligation.cause, obligation.param_env).eq( // Only really excercised by generic_const_exprs DefineOpaqueTypes::Yes, - ct.ty(), + ct_ty, ty, ) { Ok(inf_ok) => self.evaluate_predicates_recursively( diff --git a/tests/ui/consts/eval_type_mismatch.rs b/tests/crashes/121858.rs similarity index 53% rename from tests/ui/consts/eval_type_mismatch.rs rename to tests/crashes/121858.rs index 3d821ab538ec..7d5bae37f846 100644 --- a/tests/ui/consts/eval_type_mismatch.rs +++ b/tests/crashes/121858.rs @@ -1,17 +1,14 @@ +//@ known-bug: #121858 #![feature(generic_const_exprs)] -#![allow(incomplete_features)] struct Outer(); impl Outer -//~^ ERROR: `A` is not of type `i64` -//~| ERROR: mismatched types where [(); A + (B * 2)]:, { - fn o() {} + fn o() -> Union {} } fn main() { Outer::<1, 1>::o(); - //~^ ERROR: no function or associated item named `o` found } diff --git a/tests/crashes/122638.rs b/tests/crashes/122638.rs deleted file mode 100644 index af0fc5bbd503..000000000000 --- a/tests/crashes/122638.rs +++ /dev/null @@ -1,12 +0,0 @@ -//@ known-bug: #122638 -#![feature(min_specialization)] - -impl<'a, T: std::fmt::Debug, const N: usize> Iterator for ConstChunksExact<'a, T, { N }> { - fn next(&mut self) -> Option {} -} - -struct ConstChunksExact<'a, T: '_, const assert: usize> {} - -impl<'a, T: std::fmt::Debug, const N: usize> Iterator for ConstChunksExact<'a, T, {}> { - type Item = &'a [T; N]; -} diff --git a/tests/crashes/123141-2.rs b/tests/crashes/123141-2.rs deleted file mode 100644 index 74f961c2a337..000000000000 --- a/tests/crashes/123141-2.rs +++ /dev/null @@ -1,23 +0,0 @@ -//@ known-bug: #123141 - -trait ConstChunksExactTrait { - fn const_chunks_exact(&self) -> ConstChunksExact<'_, T, {N}>; -} - -impl ConstChunksExactTrait for [T] {} - -struct ConstChunksExact<'a, T: 'a, const N: usize> {} - -impl <'a, T: , const N: usize> Iterator for ConstChunksExact<'a, T, {rem}> { - type Item = &'a [T; N]; -} - -fn main() { - let slice = &[1i32, 2, 3, 4, 5, 6, 7, 7, 9, 1i32]; - - let mut iter = [[1, 2, 3], [4, 5, 6], [7, 8 ,9]].iter(); - - for a in slice.const_chunks_exact::<3>() { - assert_eq!(a, iter.next().unwrap()); - } -} diff --git a/tests/crashes/123141.rs b/tests/crashes/123141.rs index 99dfee7670ef..07181387e045 100644 --- a/tests/crashes/123141.rs +++ b/tests/crashes/123141.rs @@ -1,22 +1,23 @@ //@ known-bug: #123141 -trait ConstChunksExactTrait { - fn const_chunks_exact(&self) -> ConstChunksExact<'_, T, { N }>; + +trait Trait { + fn next(self) -> Self::Item; + type Item; } -impl ConstChunksExactTrait for [T] {} +struct Foo(T); -struct ConstChunksExact<'a, T: 'a, const N: usize> {} +impl Trait for Foo { + type Item = Foo; + fn next(self) -> Self::Item { + loop {} + } +} -impl<'a, T, const N: usize> Iterator for ConstChunksExact<'a, T, { rem }> { - type Item = &'a [T; N]; +fn opaque() -> impl Trait { + Foo::<_>(10_u32) } fn main() { - let slice = &[1i32, 2, 3, 4, 5, 6, 7, 7, 9, 1i32]; - - let mut iter = [[1, 2, 3], [4, 5, 6], [7, 8, 9]].iter(); - - for a in slice.const_chunks_exact::<3>() { - assert_eq!(a, iter.next().unwrap()); - } + opaque().next(); } diff --git a/tests/ui/coherence/negative-coherence/generic_const_type_mismatch.rs b/tests/ui/coherence/negative-coherence/generic_const_type_mismatch.rs index 89d0b74d4030..fa0b0fdc136a 100644 --- a/tests/ui/coherence/negative-coherence/generic_const_type_mismatch.rs +++ b/tests/ui/coherence/negative-coherence/generic_const_type_mismatch.rs @@ -8,5 +8,6 @@ impl Trait for [(); N] {} //~^ ERROR: mismatched types impl Trait for [(); N] {} //~^ ERROR: mismatched types +//~| ERROR: conflicting implementations of trait `Trait` fn main() {} diff --git a/tests/ui/coherence/negative-coherence/generic_const_type_mismatch.stderr b/tests/ui/coherence/negative-coherence/generic_const_type_mismatch.stderr index d19502546602..d65450845bc1 100644 --- a/tests/ui/coherence/negative-coherence/generic_const_type_mismatch.stderr +++ b/tests/ui/coherence/negative-coherence/generic_const_type_mismatch.stderr @@ -1,3 +1,12 @@ +error[E0119]: conflicting implementations of trait `Trait` for type `[(); _]` + --> $DIR/generic_const_type_mismatch.rs:9:1 + | +LL | impl Trait for [(); N] {} + | ----------------------------------- first implementation here +LL | +LL | impl Trait for [(); N] {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `[(); _]` + error[E0308]: mismatched types --> $DIR/generic_const_type_mismatch.rs:7:34 | @@ -10,6 +19,7 @@ error[E0308]: mismatched types LL | impl Trait for [(); N] {} | ^ expected `usize`, found `i8` -error: aborting due to 2 previous errors +error: aborting due to 3 previous errors -For more information about this error, try `rustc --explain E0308`. +Some errors have detailed explanations: E0119, E0308. +For more information about an error, try `rustc --explain E0119`. diff --git a/tests/crashes/114456.rs b/tests/ui/const-generics/adt_const_params/alias_const_param_ty-1.rs similarity index 69% rename from tests/crashes/114456.rs rename to tests/ui/const-generics/adt_const_params/alias_const_param_ty-1.rs index e347327e7386..8035fce09147 100644 --- a/tests/crashes/114456.rs +++ b/tests/ui/const-generics/adt_const_params/alias_const_param_ty-1.rs @@ -1,5 +1,7 @@ -//@ known-bug: #114456 +//@ check-pass #![feature(adt_const_params, lazy_type_alias)] +//~^ WARN: the feature `adt_const_params` is incomplete +//~| WARN: the feature `lazy_type_alias` is incomplete pub type Matrix = [usize; 1]; const EMPTY_MATRIX: Matrix = [0; 1]; diff --git a/tests/ui/const-generics/adt_const_params/alias_const_param_ty-1.stderr b/tests/ui/const-generics/adt_const_params/alias_const_param_ty-1.stderr new file mode 100644 index 000000000000..5c6981077b2d --- /dev/null +++ b/tests/ui/const-generics/adt_const_params/alias_const_param_ty-1.stderr @@ -0,0 +1,19 @@ +warning: the feature `adt_const_params` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/alias_const_param_ty-1.rs:2:12 + | +LL | #![feature(adt_const_params, lazy_type_alias)] + | ^^^^^^^^^^^^^^^^ + | + = note: see issue #95174 for more information + = note: `#[warn(incomplete_features)]` on by default + +warning: the feature `lazy_type_alias` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/alias_const_param_ty-1.rs:2:30 + | +LL | #![feature(adt_const_params, lazy_type_alias)] + | ^^^^^^^^^^^^^^^ + | + = note: see issue #112792 for more information + +warning: 2 warnings emitted + diff --git a/tests/crashes/114456-2.rs b/tests/ui/const-generics/adt_const_params/alias_const_param_ty-2.rs similarity index 64% rename from tests/crashes/114456-2.rs rename to tests/ui/const-generics/adt_const_params/alias_const_param_ty-2.rs index eca27febb968..a576b75341cf 100644 --- a/tests/crashes/114456-2.rs +++ b/tests/ui/const-generics/adt_const_params/alias_const_param_ty-2.rs @@ -1,5 +1,6 @@ -//@ known-bug: #114456 +//@ check-pass #![feature(adt_const_params)] +//~^ WARN: the feature `adt_const_params` is incomplete const EMPTY_MATRIX: ::Matrix = [0; 1]; @@ -12,8 +13,12 @@ impl Walk { } pub enum Type {} -pub trait Trait { type Matrix; } -impl Trait for Type { type Matrix = [usize; 1]; } +pub trait Trait { + type Matrix; +} +impl Trait for Type { + type Matrix = [usize; 1]; +} fn main() { let _ = Walk::new(); diff --git a/tests/ui/const-generics/adt_const_params/alias_const_param_ty-2.stderr b/tests/ui/const-generics/adt_const_params/alias_const_param_ty-2.stderr new file mode 100644 index 000000000000..dbc8ab716365 --- /dev/null +++ b/tests/ui/const-generics/adt_const_params/alias_const_param_ty-2.stderr @@ -0,0 +1,11 @@ +warning: the feature `adt_const_params` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/alias_const_param_ty-2.rs:2:12 + | +LL | #![feature(adt_const_params)] + | ^^^^^^^^^^^^^^^^ + | + = note: see issue #95174 for more information + = note: `#[warn(incomplete_features)]` on by default + +warning: 1 warning emitted + diff --git a/tests/ui/const-generics/bad-subst-const-kind.rs b/tests/ui/const-generics/bad-subst-const-kind.rs index 88f98a54b6e6..d5913879191e 100644 --- a/tests/ui/const-generics/bad-subst-const-kind.rs +++ b/tests/ui/const-generics/bad-subst-const-kind.rs @@ -10,5 +10,7 @@ impl Q for [u8; N] { const ASSOC: usize = 1; } -pub fn test() -> [u8; <[u8; 13] as Q>::ASSOC] { todo!() } -//~^ ERROR: `[u8; 13]: Q` is not satisfied +pub fn test() -> [u8; <[u8; 13] as Q>::ASSOC] { + //~^ ERROR: the constant `13` is not of type `u64` + todo!() +} diff --git a/tests/ui/const-generics/bad-subst-const-kind.stderr b/tests/ui/const-generics/bad-subst-const-kind.stderr index 6cf9fa743b34..6725f6762e45 100644 --- a/tests/ui/const-generics/bad-subst-const-kind.stderr +++ b/tests/ui/const-generics/bad-subst-const-kind.stderr @@ -1,10 +1,16 @@ -error[E0277]: the trait bound `[u8; 13]: Q` is not satisfied +error: the constant `13` is not of type `u64` --> $DIR/bad-subst-const-kind.rs:13:24 | -LL | pub fn test() -> [u8; <[u8; 13] as Q>::ASSOC] { todo!() } - | ^^^^^^^^ the trait `Q` is not implemented for `[u8; 13]` +LL | pub fn test() -> [u8; <[u8; 13] as Q>::ASSOC] { + | ^^^^^^^^ expected `u64`, found `usize` | - = help: the trait `Q` is implemented for `[u8; N]` +note: required for `[u8; 13]` to implement `Q` + --> $DIR/bad-subst-const-kind.rs:8:20 + | +LL | impl Q for [u8; N] { + | ------------ ^ ^^^^^^^ + | | + | unsatisfied trait bound introduced here error[E0308]: mismatched types --> $DIR/bad-subst-const-kind.rs:8:31 @@ -14,5 +20,4 @@ LL | impl Q for [u8; N] { error: aborting due to 2 previous errors -Some errors have detailed explanations: E0277, E0308. -For more information about an error, try `rustc --explain E0277`. +For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/const-generics/defaults/doesnt_infer.rs b/tests/ui/const-generics/defaults/doesnt_infer.rs index e14c08fc1487..016685eee9df 100644 --- a/tests/ui/const-generics/defaults/doesnt_infer.rs +++ b/tests/ui/const-generics/defaults/doesnt_infer.rs @@ -3,7 +3,9 @@ struct Foo; impl Foo { - fn foo() -> Self { loop {} } + fn foo() -> Self { + loop {} + } } fn main() { diff --git a/tests/ui/const-generics/defaults/doesnt_infer.stderr b/tests/ui/const-generics/defaults/doesnt_infer.stderr index 93d586033971..1e779f75ce08 100644 --- a/tests/ui/const-generics/defaults/doesnt_infer.stderr +++ b/tests/ui/const-generics/defaults/doesnt_infer.stderr @@ -1,5 +1,5 @@ error[E0282]: type annotations needed for `Foo<_>` - --> $DIR/doesnt_infer.rs:11:9 + --> $DIR/doesnt_infer.rs:13:9 | LL | let foo = Foo::foo(); | ^^^ diff --git a/tests/ui/const-generics/generic_arg_infer/issue-91614.rs b/tests/ui/const-generics/generic_arg_infer/issue-91614.rs index b45e2cbc7372..cfbc5faecd9c 100644 --- a/tests/ui/const-generics/generic_arg_infer/issue-91614.rs +++ b/tests/ui/const-generics/generic_arg_infer/issue-91614.rs @@ -4,5 +4,5 @@ use std::simd::Mask; fn main() { let y = Mask::<_, _>::splat(false); - //~^ ERROR: type annotations needed for + //~^ ERROR: type annotations needed } diff --git a/tests/ui/const-generics/generic_const_exprs/ice-125520-layout-mismatch-mulwithoverflow.rs b/tests/ui/const-generics/generic_const_exprs/ice-125520-layout-mismatch-mulwithoverflow.rs deleted file mode 100644 index cd2dc3f4fe85..000000000000 --- a/tests/ui/const-generics/generic_const_exprs/ice-125520-layout-mismatch-mulwithoverflow.rs +++ /dev/null @@ -1,27 +0,0 @@ -// issue: rust-lang/rust#125520 -#![feature(generic_const_exprs)] -//~^ WARN the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes - -struct Outer(); -impl Outer -//~^ ERROR the constant `A` is not of type `i64` -//~| ERROR the constant `B` is not of type `i64` -//~| ERROR mismatched types -//~| ERROR mismatched types -where - [(); A + (B * 2)]:, -{ - fn i() -> Self { - //~^ ERROR the constant `A` is not of type `i64` - //~| ERROR the constant `B` is not of type `i64` - Self - //~^ ERROR mismatched types - //~| ERROR the constant `A` is not of type `i64` - //~| ERROR the constant `B` is not of type `i64` - } -} - -fn main() { - Outer::<1, 1>::o(); - //~^ ERROR no function or associated item named `o` found for struct `Outer` in the current scope -} diff --git a/tests/ui/const-generics/generic_const_exprs/ice-125520-layout-mismatch-mulwithoverflow.stderr b/tests/ui/const-generics/generic_const_exprs/ice-125520-layout-mismatch-mulwithoverflow.stderr deleted file mode 100644 index 2dbd69fd3bc1..000000000000 --- a/tests/ui/const-generics/generic_const_exprs/ice-125520-layout-mismatch-mulwithoverflow.stderr +++ /dev/null @@ -1,125 +0,0 @@ -warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:2:12 - | -LL | #![feature(generic_const_exprs)] - | ^^^^^^^^^^^^^^^^^^^ - | - = note: see issue #76560 for more information - = note: `#[warn(incomplete_features)]` on by default - -error: the constant `A` is not of type `i64` - --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:6:38 - | -LL | impl Outer - | ^^^^^^^^^^^ expected `i64`, found `usize` - | -note: required by a bound in `Outer` - --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:5:14 - | -LL | struct Outer(); - | ^^^^^^^^^^^^ required by this bound in `Outer` - -error: the constant `B` is not of type `i64` - --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:6:38 - | -LL | impl Outer - | ^^^^^^^^^^^ expected `i64`, found `usize` - | -note: required by a bound in `Outer` - --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:5:28 - | -LL | struct Outer(); - | ^^^^^^^^^^^^ required by this bound in `Outer` - -error: the constant `A` is not of type `i64` - --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:14:15 - | -LL | fn i() -> Self { - | ^^^^ expected `i64`, found `usize` - | -note: required by a bound in `Outer` - --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:5:14 - | -LL | struct Outer(); - | ^^^^^^^^^^^^ required by this bound in `Outer` - -error: the constant `B` is not of type `i64` - --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:14:15 - | -LL | fn i() -> Self { - | ^^^^ expected `i64`, found `usize` - | -note: required by a bound in `Outer` - --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:5:28 - | -LL | struct Outer(); - | ^^^^^^^^^^^^ required by this bound in `Outer` - -error[E0308]: mismatched types - --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:17:9 - | -LL | struct Outer(); - | ---------------------------------------- `Outer` defines a struct constructor here, which should be called -... -LL | fn i() -> Self { - | ---- expected `Outer` because of return type -... -LL | Self - | ^^^^ expected `Outer`, found struct constructor - | - = note: expected struct `Outer` - found struct constructor `fn() -> Outer {Outer::}` -help: use parentheses to construct this tuple struct - | -LL | Self() - | ++ - -error: the constant `A` is not of type `i64` - --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:17:9 - | -LL | Self - | ^^^^ expected `i64`, found `usize` - | -note: required by a bound in `Outer` - --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:5:14 - | -LL | struct Outer(); - | ^^^^^^^^^^^^ required by this bound in `Outer` - -error: the constant `B` is not of type `i64` - --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:17:9 - | -LL | Self - | ^^^^ expected `i64`, found `usize` - | -note: required by a bound in `Outer` - --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:5:28 - | -LL | struct Outer(); - | ^^^^^^^^^^^^ required by this bound in `Outer` - -error[E0599]: no function or associated item named `o` found for struct `Outer` in the current scope - --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:25:20 - | -LL | struct Outer(); - | ---------------------------------------- function or associated item `o` not found for this struct -... -LL | Outer::<1, 1>::o(); - | ^ function or associated item not found in `Outer<1, 1>` - -error[E0308]: mismatched types - --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:6:44 - | -LL | impl Outer - | ^ expected `i64`, found `usize` - -error[E0308]: mismatched types - --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:6:47 - | -LL | impl Outer - | ^ expected `i64`, found `usize` - -error: aborting due to 10 previous errors; 1 warning emitted - -Some errors have detailed explanations: E0308, E0599. -For more information about an error, try `rustc --explain E0308`. diff --git a/tests/ui/const-generics/generic_const_exprs/type_mismatch.rs b/tests/ui/const-generics/generic_const_exprs/type_mismatch.rs index 285f9dee6c27..6b0d9e047dbc 100644 --- a/tests/ui/const-generics/generic_const_exprs/type_mismatch.rs +++ b/tests/ui/const-generics/generic_const_exprs/type_mismatch.rs @@ -10,7 +10,7 @@ impl Q for [u8; N] {} //~| ERROR mismatched types pub fn q_user() -> [u8; <[u8; 13] as Q>::ASSOC] {} -//~^ ERROR `[u8; 13]: Q` is not satisfied +//~^ ERROR the constant `13` is not of type `u64` //~| ERROR mismatched types pub fn main() {} diff --git a/tests/ui/const-generics/generic_const_exprs/type_mismatch.stderr b/tests/ui/const-generics/generic_const_exprs/type_mismatch.stderr index a63a56dd6753..bb6d650b7ab2 100644 --- a/tests/ui/const-generics/generic_const_exprs/type_mismatch.stderr +++ b/tests/ui/const-generics/generic_const_exprs/type_mismatch.stderr @@ -7,13 +7,19 @@ LL | const ASSOC: usize; LL | impl Q for [u8; N] {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `ASSOC` in implementation -error[E0277]: the trait bound `[u8; 13]: Q` is not satisfied +error: the constant `13` is not of type `u64` --> $DIR/type_mismatch.rs:12:26 | LL | pub fn q_user() -> [u8; <[u8; 13] as Q>::ASSOC] {} - | ^^^^^^^^ the trait `Q` is not implemented for `[u8; 13]` + | ^^^^^^^^ expected `u64`, found `usize` | - = help: the trait `Q` is implemented for `[u8; N]` +note: required for `[u8; 13]` to implement `Q` + --> $DIR/type_mismatch.rs:8:20 + | +LL | impl Q for [u8; N] {} + | ------------ ^ ^^^^^^^ + | | + | unsatisfied trait bound introduced here error[E0308]: mismatched types --> $DIR/type_mismatch.rs:12:20 @@ -31,5 +37,5 @@ LL | impl Q for [u8; N] {} error: aborting due to 4 previous errors -Some errors have detailed explanations: E0046, E0277, E0308. +Some errors have detailed explanations: E0046, E0308. For more information about an error, try `rustc --explain E0046`. diff --git a/tests/ui/const-generics/issues/issue-105821.rs b/tests/ui/const-generics/issues/issue-105821.rs index e55da461605e..ecbae4d9f35c 100644 --- a/tests/ui/const-generics/issues/issue-105821.rs +++ b/tests/ui/const-generics/issues/issue-105821.rs @@ -1,10 +1,7 @@ -//@ failure-status: 101 -//@ known-bug: rust-lang/rust#125451 -//@ normalize-stderr-test "note: .*\n\n" -> "" -//@ normalize-stderr-test "thread 'rustc' panicked.*\n.*\n" -> "" -//@ normalize-stderr-test "(error: internal compiler error: [^:]+):\d+:\d+: " -> "$1:LL:CC: " -//@ normalize-stderr-test "delayed at .*" -> "" -//@ rustc-env:RUST_BACKTRACE=0 +//@ check-pass +// If this test starts failing because it ICEs due to not being able to convert a `ReErased` to +// something then feel free to just convert this to a known-bug. I'm pretty sure this is still +// a failing test, we just started masking the bug. #![allow(incomplete_features)] #![feature(adt_const_params, generic_const_exprs)] diff --git a/tests/ui/const-generics/issues/issue-105821.stderr b/tests/ui/const-generics/issues/issue-105821.stderr deleted file mode 100644 index 1f0fc0f33ce4..000000000000 --- a/tests/ui/const-generics/issues/issue-105821.stderr +++ /dev/null @@ -1,8 +0,0 @@ -error: internal compiler error: compiler/rustc_borrowck/src/universal_regions.rs:LL:CC: cannot convert `'{erased}` to a region vid - -query stack during panic: -#0 [mir_borrowck] borrow-checking `::R` -#1 [analysis] running analysis passes on this crate -end of query stack -error: aborting due to 1 previous error - diff --git a/tests/ui/consts/eval_type_mismatch.stderr b/tests/ui/consts/eval_type_mismatch.stderr deleted file mode 100644 index 38d6e33d4067..000000000000 --- a/tests/ui/consts/eval_type_mismatch.stderr +++ /dev/null @@ -1,34 +0,0 @@ -error: the constant `A` is not of type `i64` - --> $DIR/eval_type_mismatch.rs:5:38 - | -LL | impl Outer - | ^^^^^^^^^^^ expected `i64`, found `usize` - | -note: required by a bound in `Outer` - --> $DIR/eval_type_mismatch.rs:4:14 - | -LL | struct Outer(); - | ^^^^^^^^^^^^ required by this bound in `Outer` - -error[E0599]: no function or associated item named `o` found for struct `Outer<1, 1>` in the current scope - --> $DIR/eval_type_mismatch.rs:15:20 - | -LL | struct Outer(); - | ------------------------------------------ function or associated item `o` not found for this struct -... -LL | Outer::<1, 1>::o(); - | ^ function or associated item not found in `Outer<1, 1>` - | - = note: the function or associated item was found for - - `Outer` - -error[E0308]: mismatched types - --> $DIR/eval_type_mismatch.rs:5:44 - | -LL | impl Outer - | ^ expected `i64`, found `usize` - -error: aborting due to 3 previous errors - -Some errors have detailed explanations: E0308, E0599. -For more information about an error, try `rustc --explain E0308`. diff --git a/tests/ui/inference/issue-83606.rs b/tests/ui/inference/issue-83606.rs index 4454b5e60f06..e6e291c3a920 100644 --- a/tests/ui/inference/issue-83606.rs +++ b/tests/ui/inference/issue-83606.rs @@ -6,5 +6,5 @@ fn foo(_: impl std::fmt::Display) -> [usize; N] { fn main() { let _ = foo("foo"); - //~^ ERROR type annotations needed for `[usize; _]` + //~^ ERROR type annotations needed } diff --git a/tests/ui/specialization/min_specialization/bad-const-wf-doesnt-specialize.rs b/tests/ui/specialization/min_specialization/bad-const-wf-doesnt-specialize.rs index 4d1cd4332fee..f89a463bc580 100644 --- a/tests/ui/specialization/min_specialization/bad-const-wf-doesnt-specialize.rs +++ b/tests/ui/specialization/min_specialization/bad-const-wf-doesnt-specialize.rs @@ -7,8 +7,7 @@ struct S; impl Copy for S {} //~^ ERROR: mismatched types -//~| ERROR: the trait bound `S: Clone` is not satisfied -//~| ERROR: the constant `N` is not of type `usize` impl Copy for S {} +//~^ ERROR: conflicting implementations of trait `Copy` for type `S<_>` fn main() {} diff --git a/tests/ui/specialization/min_specialization/bad-const-wf-doesnt-specialize.stderr b/tests/ui/specialization/min_specialization/bad-const-wf-doesnt-specialize.stderr index 716a47879482..1dac58e1f694 100644 --- a/tests/ui/specialization/min_specialization/bad-const-wf-doesnt-specialize.stderr +++ b/tests/ui/specialization/min_specialization/bad-const-wf-doesnt-specialize.stderr @@ -1,29 +1,11 @@ -error[E0277]: the trait bound `S: Clone` is not satisfied - --> $DIR/bad-const-wf-doesnt-specialize.rs:8:29 +error[E0119]: conflicting implementations of trait `Copy` for type `S<_>` + --> $DIR/bad-const-wf-doesnt-specialize.rs:10:1 | LL | impl Copy for S {} - | ^^^^ the trait `Clone` is not implemented for `S` - | - = help: the trait `Clone` is implemented for `S` -note: required by a bound in `Copy` - --> $SRC_DIR/core/src/marker.rs:LL:COL -help: consider annotating `S` with `#[derive(Clone)]` - | -LL + #[derive(Clone)] -LL | struct S; - | - -error: the constant `N` is not of type `usize` - --> $DIR/bad-const-wf-doesnt-specialize.rs:8:29 - | -LL | impl Copy for S {} - | ^^^^ expected `usize`, found `i32` - | -note: required by a bound in `S` - --> $DIR/bad-const-wf-doesnt-specialize.rs:6:10 - | -LL | struct S; - | ^^^^^^^^^^^^^^ required by this bound in `S` + | -------------------------------- first implementation here +LL | +LL | impl Copy for S {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `S<_>` error[E0308]: mismatched types --> $DIR/bad-const-wf-doesnt-specialize.rs:8:31 @@ -31,7 +13,7 @@ error[E0308]: mismatched types LL | impl Copy for S {} | ^ expected `usize`, found `i32` -error: aborting due to 3 previous errors +error: aborting due to 2 previous errors -Some errors have detailed explanations: E0277, E0308. -For more information about an error, try `rustc --explain E0277`. +Some errors have detailed explanations: E0119, E0308. +For more information about an error, try `rustc --explain E0119`. From 0d63e6b60843a9fb37b51e416b8cea6b146142d4 Mon Sep 17 00:00:00 2001 From: Scott McMurray Date: Tue, 28 May 2024 19:00:37 -0700 Subject: [PATCH 0742/1716] [ACP 362] genericize `ptr::from_raw_parts` --- library/core/src/ptr/metadata.rs | 4 ++-- library/core/src/ptr/mod.rs | 8 ++++---- library/core/src/str/converts.rs | 4 ++-- library/core/tests/mem.rs | 4 ++-- library/core/tests/ptr.rs | 4 ++-- .../inline/inline_shims.drop.Inline.panic-abort.diff | 4 +++- ...set.demo_byte_add_fat.PreCodegen.after.panic-abort.mir | 2 +- ...et.demo_byte_add_fat.PreCodegen.after.panic-unwind.mir | 2 +- ...et.demo_byte_add_thin.PreCodegen.after.panic-abort.mir | 2 +- ...t.demo_byte_add_thin.PreCodegen.after.panic-unwind.mir | 2 +- ...ef.vec_deref_to_slice.PreCodegen.after.panic-abort.mir | 4 ++++ ...f.vec_deref_to_slice.PreCodegen.after.panic-unwind.mir | 4 ++++ tests/ui/unsized/unsized3-rpass.rs | 2 +- 13 files changed, 28 insertions(+), 18 deletions(-) diff --git a/library/core/src/ptr/metadata.rs b/library/core/src/ptr/metadata.rs index 8d75bd2e74c7..78fe0c5add50 100644 --- a/library/core/src/ptr/metadata.rs +++ b/library/core/src/ptr/metadata.rs @@ -120,7 +120,7 @@ pub const fn metadata(ptr: *const T) -> ::Metadata { #[rustc_const_unstable(feature = "ptr_metadata", issue = "81513")] #[inline] pub const fn from_raw_parts( - data_pointer: *const (), + data_pointer: *const impl Thin, metadata: ::Metadata, ) -> *const T { aggregate_raw_ptr(data_pointer, metadata) @@ -134,7 +134,7 @@ pub const fn from_raw_parts( #[rustc_const_unstable(feature = "ptr_metadata", issue = "81513")] #[inline] pub const fn from_raw_parts_mut( - data_pointer: *mut (), + data_pointer: *mut impl Thin, metadata: ::Metadata, ) -> *mut T { aggregate_raw_ptr(data_pointer, metadata) diff --git a/library/core/src/ptr/mod.rs b/library/core/src/ptr/mod.rs index d2bbdc84d4dd..4213a9dedfe4 100644 --- a/library/core/src/ptr/mod.rs +++ b/library/core/src/ptr/mod.rs @@ -565,7 +565,7 @@ pub unsafe fn drop_in_place(to_drop: *mut T) { #[rustc_allow_const_fn_unstable(ptr_metadata)] #[rustc_diagnostic_item = "ptr_null"] pub const fn null() -> *const T { - from_raw_parts(without_provenance(0), ()) + from_raw_parts(without_provenance::<()>(0), ()) } /// Creates a null mutable raw pointer. @@ -591,7 +591,7 @@ pub const fn null() -> *const T { #[rustc_allow_const_fn_unstable(ptr_metadata)] #[rustc_diagnostic_item = "ptr_null_mut"] pub const fn null_mut() -> *mut T { - from_raw_parts_mut(without_provenance_mut(0), ()) + from_raw_parts_mut(without_provenance_mut::<()>(0), ()) } /// Creates a pointer with the given address and no provenance. @@ -835,7 +835,7 @@ pub const fn from_mut(r: &mut T) -> *mut T { #[rustc_allow_const_fn_unstable(ptr_metadata)] #[rustc_diagnostic_item = "ptr_slice_from_raw_parts"] pub const fn slice_from_raw_parts(data: *const T, len: usize) -> *const [T] { - intrinsics::aggregate_raw_ptr(data, len) + from_raw_parts(data, len) } /// Forms a raw mutable slice from a pointer and a length. @@ -881,7 +881,7 @@ pub const fn slice_from_raw_parts(data: *const T, len: usize) -> *const [T] { #[rustc_const_unstable(feature = "const_slice_from_raw_parts_mut", issue = "67456")] #[rustc_diagnostic_item = "ptr_slice_from_raw_parts_mut"] pub const fn slice_from_raw_parts_mut(data: *mut T, len: usize) -> *mut [T] { - intrinsics::aggregate_raw_ptr(data, len) + from_raw_parts_mut(data, len) } /// Swaps the values at two mutable locations of the same type, without diff --git a/library/core/src/str/converts.rs b/library/core/src/str/converts.rs index b6ffb0a608d0..397759bd5cae 100644 --- a/library/core/src/str/converts.rs +++ b/library/core/src/str/converts.rs @@ -222,7 +222,7 @@ pub const unsafe fn from_utf8_unchecked_mut(v: &mut [u8]) -> &mut str { #[rustc_const_unstable(feature = "str_from_raw_parts", issue = "119206")] pub const unsafe fn from_raw_parts<'a>(ptr: *const u8, len: usize) -> &'a str { // SAFETY: the caller must uphold the safety contract for `from_raw_parts`. - unsafe { &*ptr::from_raw_parts(ptr.cast(), len) } + unsafe { &*ptr::from_raw_parts(ptr, len) } } /// Creates an `&mut str` from a pointer and a length. @@ -241,5 +241,5 @@ pub const unsafe fn from_raw_parts<'a>(ptr: *const u8, len: usize) -> &'a str { #[rustc_const_unstable(feature = "const_str_from_raw_parts_mut", issue = "119206")] pub const unsafe fn from_raw_parts_mut<'a>(ptr: *mut u8, len: usize) -> &'a mut str { // SAFETY: the caller must uphold the safety contract for `from_raw_parts_mut`. - unsafe { &mut *ptr::from_raw_parts_mut(ptr.cast(), len) } + unsafe { &mut *ptr::from_raw_parts_mut(ptr, len) } } diff --git a/library/core/tests/mem.rs b/library/core/tests/mem.rs index e388800f400d..cc7339163076 100644 --- a/library/core/tests/mem.rs +++ b/library/core/tests/mem.rs @@ -83,12 +83,12 @@ fn align_of_val_raw_packed() { f: [u32], } let storage = [0u8; 4]; - let b: *const B = ptr::from_raw_parts(storage.as_ptr().cast(), 1); + let b: *const B = ptr::from_raw_parts(storage.as_ptr(), 1); assert_eq!(unsafe { align_of_val_raw(b) }, 1); const ALIGN_OF_VAL_RAW: usize = { let storage = [0u8; 4]; - let b: *const B = ptr::from_raw_parts(storage.as_ptr().cast(), 1); + let b: *const B = ptr::from_raw_parts(storage.as_ptr(), 1); unsafe { align_of_val_raw(b) } }; assert_eq!(ALIGN_OF_VAL_RAW, 1); diff --git a/library/core/tests/ptr.rs b/library/core/tests/ptr.rs index e8d05c2483de..e3830165eda6 100644 --- a/library/core/tests/ptr.rs +++ b/library/core/tests/ptr.rs @@ -965,7 +965,7 @@ fn thin_box() { fn value_ptr(&self) -> *const T { let (_, offset) = self.layout(); let data_ptr = unsafe { self.ptr.cast::().as_ptr().add(offset) }; - ptr::from_raw_parts(data_ptr.cast(), self.meta()) + ptr::from_raw_parts(data_ptr, self.meta()) } fn value_mut_ptr(&mut self) -> *mut T { @@ -973,7 +973,7 @@ fn thin_box() { // FIXME: can this line be shared with the same in `value_ptr()` // without upsetting Stacked Borrows? let data_ptr = unsafe { self.ptr.cast::().as_ptr().add(offset) }; - from_raw_parts_mut(data_ptr.cast(), self.meta()) + from_raw_parts_mut(data_ptr, self.meta()) } } diff --git a/tests/mir-opt/inline/inline_shims.drop.Inline.panic-abort.diff b/tests/mir-opt/inline/inline_shims.drop.Inline.panic-abort.diff index df873600577a..45ce933a55ad 100644 --- a/tests/mir-opt/inline/inline_shims.drop.Inline.panic-abort.diff +++ b/tests/mir-opt/inline/inline_shims.drop.Inline.panic-abort.diff @@ -27,10 +27,12 @@ + } + } + scope 7 (inlined slice_from_raw_parts_mut::) { ++ scope 8 (inlined std::ptr::from_raw_parts_mut::<[A], A>) { ++ } + } + } + } -+ scope 8 (inlined std::ptr::drop_in_place::> - shim(Some(Option))) { ++ scope 9 (inlined std::ptr::drop_in_place::> - shim(Some(Option))) { + let mut _14: isize; + let mut _15: isize; + } diff --git a/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_fat.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_fat.PreCodegen.after.panic-abort.mir index ea4ed2713056..2c6d93e10c11 100644 --- a/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_fat.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_fat.PreCodegen.after.panic-abort.mir @@ -16,7 +16,7 @@ fn demo_byte_add_fat(_1: *const [u32], _2: usize) -> *const [u32] { let mut _6: usize; scope 5 (inlined std::ptr::metadata::<[u32]>) { } - scope 6 (inlined std::ptr::from_raw_parts::<[u32]>) { + scope 6 (inlined std::ptr::from_raw_parts::<[u32], ()>) { } } } diff --git a/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_fat.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_fat.PreCodegen.after.panic-unwind.mir index ea4ed2713056..2c6d93e10c11 100644 --- a/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_fat.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_fat.PreCodegen.after.panic-unwind.mir @@ -16,7 +16,7 @@ fn demo_byte_add_fat(_1: *const [u32], _2: usize) -> *const [u32] { let mut _6: usize; scope 5 (inlined std::ptr::metadata::<[u32]>) { } - scope 6 (inlined std::ptr::from_raw_parts::<[u32]>) { + scope 6 (inlined std::ptr::from_raw_parts::<[u32], ()>) { } } } diff --git a/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_thin.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_thin.PreCodegen.after.panic-abort.mir index 766bd29ef41c..04fb6b838f02 100644 --- a/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_thin.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_thin.PreCodegen.after.panic-abort.mir @@ -14,7 +14,7 @@ fn demo_byte_add_thin(_1: *const u32, _2: usize) -> *const u32 { scope 4 (inlined std::ptr::const_ptr::::with_metadata_of::) { scope 5 (inlined std::ptr::metadata::) { } - scope 6 (inlined std::ptr::from_raw_parts::) { + scope 6 (inlined std::ptr::from_raw_parts::) { } } } diff --git a/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_thin.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_thin.PreCodegen.after.panic-unwind.mir index 766bd29ef41c..04fb6b838f02 100644 --- a/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_thin.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_thin.PreCodegen.after.panic-unwind.mir @@ -14,7 +14,7 @@ fn demo_byte_add_thin(_1: *const u32, _2: usize) -> *const u32 { scope 4 (inlined std::ptr::const_ptr::::with_metadata_of::) { scope 5 (inlined std::ptr::metadata::) { } - scope 6 (inlined std::ptr::from_raw_parts::) { + scope 6 (inlined std::ptr::from_raw_parts::) { } } } diff --git a/tests/mir-opt/pre-codegen/vec_deref.vec_deref_to_slice.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/vec_deref.vec_deref_to_slice.PreCodegen.after.panic-abort.mir index eabecaed0517..1c9ed25d7f2b 100644 --- a/tests/mir-opt/pre-codegen/vec_deref.vec_deref_to_slice.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/vec_deref.vec_deref_to_slice.PreCodegen.after.panic-abort.mir @@ -37,6 +37,10 @@ fn vec_deref_to_slice(_1: &Vec) -> &[u8] { scope 11 (inlined slice_from_raw_parts::) { debug data => _4; debug len => _5; + scope 12 (inlined std::ptr::from_raw_parts::<[u8], u8>) { + debug data_pointer => _4; + debug metadata => _5; + } } } } diff --git a/tests/mir-opt/pre-codegen/vec_deref.vec_deref_to_slice.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/vec_deref.vec_deref_to_slice.PreCodegen.after.panic-unwind.mir index eabecaed0517..1c9ed25d7f2b 100644 --- a/tests/mir-opt/pre-codegen/vec_deref.vec_deref_to_slice.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/vec_deref.vec_deref_to_slice.PreCodegen.after.panic-unwind.mir @@ -37,6 +37,10 @@ fn vec_deref_to_slice(_1: &Vec) -> &[u8] { scope 11 (inlined slice_from_raw_parts::) { debug data => _4; debug len => _5; + scope 12 (inlined std::ptr::from_raw_parts::<[u8], u8>) { + debug data_pointer => _4; + debug metadata => _5; + } } } } diff --git a/tests/ui/unsized/unsized3-rpass.rs b/tests/ui/unsized/unsized3-rpass.rs index 1b3e932bfe6d..ff35051774bc 100644 --- a/tests/ui/unsized/unsized3-rpass.rs +++ b/tests/ui/unsized/unsized3-rpass.rs @@ -87,7 +87,7 @@ pub fn main() { let obj: Box = Box::new(St { f: 42 }); let obj: &Tr = &*obj; let data: Box<_> = Box::new(Qux_ { f: St { f: 234 } }); - let x: &Qux = &*ptr::from_raw_parts::((&*data as *const _).cast(), ptr::metadata(obj)); + let x: &Qux = &*ptr::from_raw_parts::(&*data as *const _, ptr::metadata(obj)); assert_eq!(x.f.foo(), 234); } } From a4b737643e1c46c859c1b216059b7ce392136de4 Mon Sep 17 00:00:00 2001 From: Jubilee Young Date: Tue, 28 May 2024 23:26:20 -0700 Subject: [PATCH 0743/1716] give tidy the good news about C-SKY --- src/tools/tidy/src/target_specific_tests.rs | 1 + 1 file changed, 1 insertion(+) diff --git a/src/tools/tidy/src/target_specific_tests.rs b/src/tools/tidy/src/target_specific_tests.rs index 5a402f3cc601..6fd2148ef678 100644 --- a/src/tools/tidy/src/target_specific_tests.rs +++ b/src/tools/tidy/src/target_specific_tests.rs @@ -15,6 +15,7 @@ const KNOWN_LLVM_COMPONENTS: &[&str] = &[ "arm", "avr", "bpf", + "csky", "hexagon", "loongarch", "m68k", From ce092d46e3d5538608b681cc7867d03a3551c6c9 Mon Sep 17 00:00:00 2001 From: Jubilee Young Date: Wed, 29 May 2024 00:22:35 -0700 Subject: [PATCH 0744/1716] tests: reenable ABI compatibility test for csky --- tests/ui/abi/compatibility.rs | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/tests/ui/abi/compatibility.rs b/tests/ui/abi/compatibility.rs index 784c6d488eaf..c27a107a639f 100644 --- a/tests/ui/abi/compatibility.rs +++ b/tests/ui/abi/compatibility.rs @@ -52,18 +52,16 @@ //@ revisions: m68k //@[m68k] compile-flags: --target m68k-unknown-linux-gnu //@[m68k] needs-llvm-components: m68k +//@ revisions: csky +//@[csky] compile-flags: --target csky-unknown-linux-gnuabiv2 +//@[csky] needs-llvm-components: csky + // FIXME: disabled on nvptx64 since the target ABI fails the sanity check // see https://github.com/rust-lang/rust/issues/117480 /* revisions: nvptx64 [nvptx64] compile-flags: --target nvptx64-nvidia-cuda [nvptx64] needs-llvm-components: nvptx */ -// FIXME: disabled since it fails on CI saying the csky component is missing -// see https://github.com/rust-lang/rust/issues/125697 -/* revisions: csky - [csky] compile-flags: --target csky-unknown-linux-gnuabiv2 - [csky] needs-llvm-components: csky -*/ #![feature(rustc_attrs, unsized_fn_params, transparent_unions)] #![cfg_attr(not(host), feature(no_core, lang_items), no_std, no_core)] #![allow(unused, improper_ctypes_definitions, internal_features)] @@ -75,8 +73,7 @@ #[cfg(host)] use std::{ - any::Any, marker::PhantomData, mem::ManuallyDrop, num::NonZero, ptr::NonNull, rc::Rc, - sync::Arc, + any::Any, marker::PhantomData, mem::ManuallyDrop, num::NonZero, ptr::NonNull, rc::Rc, sync::Arc, }; /// To work cross-target this test must be no_core. From 60c30f57c1c4937f73416bf06295295076aa0c15 Mon Sep 17 00:00:00 2001 From: Jubilee Young Date: Wed, 29 May 2024 10:32:41 -0700 Subject: [PATCH 0745/1716] ci: Consolidate $IS_NOT_LATEST_LLVM into $EXTERNAL_LLVM We want to only demand that we check for all components we expect if we actually built the components we expect, which means we built the LLVM. Otherwise, it isn't worth checking. --- src/ci/docker/host-x86_64/x86_64-gnu-llvm-17/Dockerfile | 4 ---- src/ci/run.sh | 8 ++------ 2 files changed, 2 insertions(+), 10 deletions(-) diff --git a/src/ci/docker/host-x86_64/x86_64-gnu-llvm-17/Dockerfile b/src/ci/docker/host-x86_64/x86_64-gnu-llvm-17/Dockerfile index 538962802c96..275acb47c33a 100644 --- a/src/ci/docker/host-x86_64/x86_64-gnu-llvm-17/Dockerfile +++ b/src/ci/docker/host-x86_64/x86_64-gnu-llvm-17/Dockerfile @@ -45,10 +45,6 @@ RUN sh /scripts/sccache.sh ENV NO_DOWNLOAD_CI_LLVM 1 ENV EXTERNAL_LLVM 1 -# This is not the latest LLVM version, so some components required by tests may -# be missing. -ENV IS_NOT_LATEST_LLVM 1 - # Using llvm-link-shared due to libffi issues -- see #34486 ENV RUST_CONFIGURE_ARGS \ --build=x86_64-unknown-linux-gnu \ diff --git a/src/ci/run.sh b/src/ci/run.sh index 3ad04c73d3da..2e36b7e5962e 100755 --- a/src/ci/run.sh +++ b/src/ci/run.sh @@ -89,6 +89,8 @@ RUST_CONFIGURE_ARGS="$RUST_CONFIGURE_ARGS --dist-compression-formats=xz" # (to avoid spending a lot of time cloning llvm) if [ "$EXTERNAL_LLVM" = "" ]; then RUST_CONFIGURE_ARGS="$RUST_CONFIGURE_ARGS --set build.optimized-compiler-builtins" + # Likewise, only demand we test all LLVM components if we know we built LLVM with them + export COMPILETEST_NEEDS_ALL_LLVM_COMPONENTS=1 elif [ "$DEPLOY$DEPLOY_ALT" = "1" ]; then echo "error: dist builds should always use optimized compiler-rt!" >&2 exit 1 @@ -169,12 +171,6 @@ else fi fi -# Unless we're using an older version of LLVM, check that all LLVM components -# used by tests are available. -if [ "$IS_NOT_LATEST_LLVM" = "" ]; then - export COMPILETEST_NEEDS_ALL_LLVM_COMPONENTS=1 -fi - if [ "$ENABLE_GCC_CODEGEN" = "1" ]; then # If `ENABLE_GCC_CODEGEN` is set and not empty, we add the `--enable-new-symbol-mangling` # argument to `RUST_CONFIGURE_ARGS` and set the `GCC_EXEC_PREFIX` environment variable. From 7f11d6f4bf8c4574b29d683ff72e596e7bcfbb50 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Wed, 29 May 2024 14:06:39 -0400 Subject: [PATCH 0746/1716] Add lang items for AsyncFn's associated types --- compiler/rustc_hir/src/lang_items.rs | 3 +++ compiler/rustc_span/src/symbol.rs | 3 +++ .../src/solve/normalizes_to/mod.rs | 22 ++++++++++++------- library/core/src/ops/async_function.rs | 3 +++ 4 files changed, 23 insertions(+), 8 deletions(-) diff --git a/compiler/rustc_hir/src/lang_items.rs b/compiler/rustc_hir/src/lang_items.rs index c4be67cdd887..410c2ed8703b 100644 --- a/compiler/rustc_hir/src/lang_items.rs +++ b/compiler/rustc_hir/src/lang_items.rs @@ -228,6 +228,9 @@ language_item_table! { AsyncFn, sym::async_fn, async_fn_trait, Target::Trait, GenericRequirement::Exact(1); AsyncFnMut, sym::async_fn_mut, async_fn_mut_trait, Target::Trait, GenericRequirement::Exact(1); AsyncFnOnce, sym::async_fn_once, async_fn_once_trait, Target::Trait, GenericRequirement::Exact(1); + AsyncFnOnceOutput, sym::async_fn_once_output,async_fn_once_output, Target::AssocTy, GenericRequirement::Exact(1); + CallOnceFuture, sym::call_once_future, call_once_future, Target::AssocTy, GenericRequirement::Exact(1); + CallRefFuture, sym::call_ref_future, call_ref_future, Target::AssocTy, GenericRequirement::Exact(2); AsyncFnKindHelper, sym::async_fn_kind_helper,async_fn_kind_helper, Target::Trait, GenericRequirement::Exact(1); FnOnceOutput, sym::fn_once_output, fn_once_output, Target::AssocTy, GenericRequirement::None; diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index 90da220b3f54..cabd462cc8a6 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -441,6 +441,7 @@ symbols! { async_fn_kind_helper, async_fn_mut, async_fn_once, + async_fn_once_output, async_fn_track_caller, async_fn_traits, async_for_loop, @@ -498,6 +499,8 @@ symbols! { call, call_mut, call_once, + call_once_future, + call_ref_future, caller_location, capture_disjoint_fields, catch_unwind, diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs b/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs index 7fd2a3801cc4..f9e164e1f3f9 100644 --- a/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs @@ -407,16 +407,20 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { output_coroutine_ty, coroutine_return_ty, }| { - let (projection_term, term) = match tcx.item_name(goal.predicate.def_id()) { - sym::CallOnceFuture => ( + let lang_items = tcx.lang_items(); + let (projection_term, term) = if Some(goal.predicate.def_id()) + == lang_items.call_once_future() + { + ( ty::AliasTerm::new( tcx, goal.predicate.def_id(), [goal.predicate.self_ty(), tupled_inputs_ty], ), output_coroutine_ty.into(), - ), - sym::CallRefFuture => ( + ) + } else if Some(goal.predicate.def_id()) == lang_items.call_ref_future() { + ( ty::AliasTerm::new( tcx, goal.predicate.def_id(), @@ -427,8 +431,9 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { ], ), output_coroutine_ty.into(), - ), - sym::Output => ( + ) + } else if Some(goal.predicate.def_id()) == lang_items.async_fn_once_output() { + ( ty::AliasTerm::new( tcx, goal.predicate.def_id(), @@ -438,8 +443,9 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { ], ), coroutine_return_ty.into(), - ), - name => bug!("no such associated type: {name}"), + ) + } else { + bug!("no such associated type in `AsyncFn*`: {:?}", goal.predicate.def_id()) }; ty::ProjectionPredicate { projection_term, term } }, diff --git a/library/core/src/ops/async_function.rs b/library/core/src/ops/async_function.rs index 18bcee5a1c7e..fc21ffd5246e 100644 --- a/library/core/src/ops/async_function.rs +++ b/library/core/src/ops/async_function.rs @@ -26,6 +26,7 @@ pub trait AsyncFn: AsyncFnMut { pub trait AsyncFnMut: AsyncFnOnce { /// Future returned by [`AsyncFnMut::async_call_mut`] and [`AsyncFn::async_call`]. #[unstable(feature = "async_fn_traits", issue = "none")] + #[cfg_attr(not(bootstrap), lang = "call_ref_future")] type CallRefFuture<'a>: Future where Self: 'a; @@ -46,10 +47,12 @@ pub trait AsyncFnMut: AsyncFnOnce { pub trait AsyncFnOnce { /// Future returned by [`AsyncFnOnce::async_call_once`]. #[unstable(feature = "async_fn_traits", issue = "none")] + #[cfg_attr(not(bootstrap), lang = "call_once_future")] type CallOnceFuture: Future; /// Output type of the called closure's future. #[unstable(feature = "async_fn_traits", issue = "none")] + #[cfg_attr(not(bootstrap), lang = "async_fn_once_output")] type Output; /// Call the [`AsyncFnOnce`], returning a future which may move out of the called closure. From 3c4066d1126b7c0ed13da96639ca86ffc42ceea6 Mon Sep 17 00:00:00 2001 From: Vadim Petrochenkov Date: Wed, 29 May 2024 20:56:36 +0300 Subject: [PATCH 0747/1716] Add a test for resolving `macro_rules` calls inside attributes --- .../attributes/key-value-expansion-scope.rs | 64 ++++++++ .../key-value-expansion-scope.stderr | 138 ++++++++++++++++++ 2 files changed, 202 insertions(+) create mode 100644 tests/ui/attributes/key-value-expansion-scope.rs create mode 100644 tests/ui/attributes/key-value-expansion-scope.stderr diff --git a/tests/ui/attributes/key-value-expansion-scope.rs b/tests/ui/attributes/key-value-expansion-scope.rs new file mode 100644 index 000000000000..f435e36ce638 --- /dev/null +++ b/tests/ui/attributes/key-value-expansion-scope.rs @@ -0,0 +1,64 @@ +#![doc = in_root!()] // FIXME, this is a bug +#![doc = in_mod!()] //~ ERROR cannot find macro `in_mod` in this scope +#![doc = in_mod_escape!()] // FIXME, this is a bug +#![doc = in_block!()] //~ ERROR cannot find macro `in_block` in this scope + +#[doc = in_root!()] //~ ERROR cannot find macro `in_root` in this scope +#[doc = in_mod!()] //~ ERROR cannot find macro `in_mod` in this scope +#[doc = in_mod_escape!()] //~ ERROR cannot find macro `in_mod_escape` in this scope +#[doc = in_block!()] //~ ERROR cannot find macro `in_block` in this scope +fn before() { + #![doc = in_root!()] //~ ERROR cannot find macro `in_root` in this scope + #![doc = in_mod!()] //~ ERROR cannot find macro `in_mod` in this scope + #![doc = in_mod_escape!()] //~ ERROR cannot find macro `in_mod_escape` in this scope + #![doc = in_block!()] //~ ERROR cannot find macro `in_block` in this scope +} + +macro_rules! in_root { () => { "" } } + +mod macros_stay { + #![doc = in_mod!()] //~ ERROR cannot find macro `in_mod` in this scope + + macro_rules! in_mod { () => { "" } } + + #[doc = in_mod!()] // OK + fn f() { + #![doc = in_mod!()] // OK + } +} + +#[macro_use] +mod macros_escape { + #![doc = in_mod_escape!()] //~ ERROR cannot find macro `in_mod_escape` in this scope + + macro_rules! in_mod_escape { () => { "" } } + + #[doc = in_mod_escape!()] // OK + fn f() { + #![doc = in_mod_escape!()] // OK + } +} + +fn block() { + #![doc = in_block!()] //~ ERROR cannot find macro `in_block` in this scope + + macro_rules! in_block { () => { "" } } + + #[doc = in_block!()] // OK + fn f() { + #![doc = in_block!()] // OK + } +} + +#[doc = in_root!()] // OK +#[doc = in_mod!()] //~ ERROR cannot find macro `in_mod` in this scope +#[doc = in_mod_escape!()] // OK +#[doc = in_block!()] //~ ERROR cannot find macro `in_block` in this scope +fn after() { + #![doc = in_root!()] // OK + #![doc = in_mod!()] //~ ERROR cannot find macro `in_mod` in this scope + #![doc = in_mod_escape!()] // OK + #![doc = in_block!()] //~ ERROR cannot find macro `in_block` in this scope +} + +fn main() {} diff --git a/tests/ui/attributes/key-value-expansion-scope.stderr b/tests/ui/attributes/key-value-expansion-scope.stderr new file mode 100644 index 000000000000..2fa2ed0fa3a4 --- /dev/null +++ b/tests/ui/attributes/key-value-expansion-scope.stderr @@ -0,0 +1,138 @@ +error: cannot find macro `in_mod` in this scope + --> $DIR/key-value-expansion-scope.rs:2:10 + | +LL | #![doc = in_mod!()] + | ^^^^^^ + | + = help: have you added the `#[macro_use]` on the module/import? + +error: cannot find macro `in_block` in this scope + --> $DIR/key-value-expansion-scope.rs:4:10 + | +LL | #![doc = in_block!()] + | ^^^^^^^^ + | + = help: have you added the `#[macro_use]` on the module/import? + +error: cannot find macro `in_root` in this scope + --> $DIR/key-value-expansion-scope.rs:6:9 + | +LL | #[doc = in_root!()] + | ^^^^^^^ + | + = help: have you added the `#[macro_use]` on the module/import? + +error: cannot find macro `in_mod` in this scope + --> $DIR/key-value-expansion-scope.rs:7:9 + | +LL | #[doc = in_mod!()] + | ^^^^^^ + | + = help: have you added the `#[macro_use]` on the module/import? + +error: cannot find macro `in_mod_escape` in this scope + --> $DIR/key-value-expansion-scope.rs:8:9 + | +LL | #[doc = in_mod_escape!()] + | ^^^^^^^^^^^^^ + | + = help: have you added the `#[macro_use]` on the module/import? + +error: cannot find macro `in_block` in this scope + --> $DIR/key-value-expansion-scope.rs:9:9 + | +LL | #[doc = in_block!()] + | ^^^^^^^^ + | + = help: have you added the `#[macro_use]` on the module/import? + +error: cannot find macro `in_root` in this scope + --> $DIR/key-value-expansion-scope.rs:11:14 + | +LL | #![doc = in_root!()] + | ^^^^^^^ + | + = help: have you added the `#[macro_use]` on the module/import? + +error: cannot find macro `in_mod` in this scope + --> $DIR/key-value-expansion-scope.rs:12:14 + | +LL | #![doc = in_mod!()] + | ^^^^^^ + | + = help: have you added the `#[macro_use]` on the module/import? + +error: cannot find macro `in_mod_escape` in this scope + --> $DIR/key-value-expansion-scope.rs:13:14 + | +LL | #![doc = in_mod_escape!()] + | ^^^^^^^^^^^^^ + | + = help: have you added the `#[macro_use]` on the module/import? + +error: cannot find macro `in_block` in this scope + --> $DIR/key-value-expansion-scope.rs:14:14 + | +LL | #![doc = in_block!()] + | ^^^^^^^^ + | + = help: have you added the `#[macro_use]` on the module/import? + +error: cannot find macro `in_mod` in this scope + --> $DIR/key-value-expansion-scope.rs:20:14 + | +LL | #![doc = in_mod!()] + | ^^^^^^ + | + = help: have you added the `#[macro_use]` on the module/import? + +error: cannot find macro `in_mod_escape` in this scope + --> $DIR/key-value-expansion-scope.rs:32:14 + | +LL | #![doc = in_mod_escape!()] + | ^^^^^^^^^^^^^ + | + = help: have you added the `#[macro_use]` on the module/import? + +error: cannot find macro `in_block` in this scope + --> $DIR/key-value-expansion-scope.rs:43:14 + | +LL | #![doc = in_block!()] + | ^^^^^^^^ + | + = help: have you added the `#[macro_use]` on the module/import? + +error: cannot find macro `in_mod` in this scope + --> $DIR/key-value-expansion-scope.rs:54:9 + | +LL | #[doc = in_mod!()] + | ^^^^^^ + | + = help: have you added the `#[macro_use]` on the module/import? + +error: cannot find macro `in_block` in this scope + --> $DIR/key-value-expansion-scope.rs:56:9 + | +LL | #[doc = in_block!()] + | ^^^^^^^^ + | + = help: have you added the `#[macro_use]` on the module/import? + +error: cannot find macro `in_mod` in this scope + --> $DIR/key-value-expansion-scope.rs:59:14 + | +LL | #![doc = in_mod!()] + | ^^^^^^ + | + = help: have you added the `#[macro_use]` on the module/import? + +error: cannot find macro `in_block` in this scope + --> $DIR/key-value-expansion-scope.rs:61:14 + | +LL | #![doc = in_block!()] + | ^^^^^^^^ + | + = help: have you added the `#[macro_use]` on the module/import? + +error: aborting due to 17 previous errors + From a9c7e024c08ce4c7172cf3a46d0d16222eb4991f Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Wed, 29 May 2024 14:22:56 -0400 Subject: [PATCH 0748/1716] Add lang item for Future::Output --- compiler/rustc_hir/src/lang_items.rs | 1 + compiler/rustc_hir_analysis/src/collect.rs | 2 +- compiler/rustc_span/src/symbol.rs | 2 +- .../src/solve/assembly/structural_traits.rs | 14 ++------------ .../rustc_trait_selection/src/traits/project.rs | 16 ++-------------- library/core/src/future/future.rs | 2 +- 6 files changed, 8 insertions(+), 29 deletions(-) diff --git a/compiler/rustc_hir/src/lang_items.rs b/compiler/rustc_hir/src/lang_items.rs index 410c2ed8703b..67114a6212c4 100644 --- a/compiler/rustc_hir/src/lang_items.rs +++ b/compiler/rustc_hir/src/lang_items.rs @@ -238,6 +238,7 @@ language_item_table! { Iterator, sym::iterator, iterator_trait, Target::Trait, GenericRequirement::Exact(0); FusedIterator, sym::fused_iterator, fused_iterator_trait, Target::Trait, GenericRequirement::Exact(0); Future, sym::future_trait, future_trait, Target::Trait, GenericRequirement::Exact(0); + FutureOutput, sym::future_output, future_output, Target::AssocTy, GenericRequirement::Exact(0); AsyncIterator, sym::async_iterator, async_iterator_trait, Target::Trait, GenericRequirement::Exact(0); CoroutineState, sym::coroutine_state, coroutine_state, Target::Enum, GenericRequirement::None; diff --git a/compiler/rustc_hir_analysis/src/collect.rs b/compiler/rustc_hir_analysis/src/collect.rs index 75e35e7bf50c..7e7460061484 100644 --- a/compiler/rustc_hir_analysis/src/collect.rs +++ b/compiler/rustc_hir_analysis/src/collect.rs @@ -1478,7 +1478,7 @@ pub fn suggest_impl_trait<'tcx>( ), ( infcx.tcx.lang_items().future_trait(), - infcx.tcx.get_diagnostic_item(sym::FutureOutput), + infcx.tcx.lang_items().future_output(), format_as_assoc, ), ( diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index cabd462cc8a6..fa4ef923cc01 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -210,7 +210,6 @@ symbols! { FsPermissions, FusedIterator, Future, - FutureOutput, GlobalAlloc, Hash, HashMap, @@ -914,6 +913,7 @@ symbols! { fundamental, fused_iterator, future, + future_output, future_trait, gdb_script_file, ge, diff --git a/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs b/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs index 64d5f725a1f4..67cf0c3b2fde 100644 --- a/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs +++ b/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs @@ -454,12 +454,7 @@ pub(in crate::solve) fn extract_tupled_inputs_and_output_from_async_callable<'tc .rebind(ty::TraitRef::new(tcx, future_trait_def_id, [sig.output()])) .upcast(tcx), ]; - let future_output_def_id = tcx - .associated_items(future_trait_def_id) - .filter_by_name_unhygienic(sym::Output) - .next() - .unwrap() - .def_id; + let future_output_def_id = tcx.require_lang_item(LangItem::FutureOutput, None); let future_output_ty = Ty::new_projection(tcx, future_output_def_id, [sig.output()]); Ok(( bound_sig.rebind(AsyncCallableRelevantTypes { @@ -510,12 +505,7 @@ pub(in crate::solve) fn extract_tupled_inputs_and_output_from_async_callable<'tc ); } - let future_output_def_id = tcx - .associated_items(future_trait_def_id) - .filter_by_name_unhygienic(sym::Output) - .next() - .unwrap() - .def_id; + let future_output_def_id = tcx.require_lang_item(LangItem::FutureOutput, None); let future_output_ty = Ty::new_projection(tcx, future_output_def_id, [sig.output()]); Ok(( bound_sig.rebind(AsyncCallableRelevantTypes { diff --git a/compiler/rustc_trait_selection/src/traits/project.rs b/compiler/rustc_trait_selection/src/traits/project.rs index 87c8b1cda504..c92c8369fede 100644 --- a/compiler/rustc_trait_selection/src/traits/project.rs +++ b/compiler/rustc_trait_selection/src/traits/project.rs @@ -1880,13 +1880,7 @@ fn confirm_async_closure_candidate<'cx, 'tcx>( let term = match item_name { sym::CallOnceFuture | sym::CallRefFuture => sig.output(), sym::Output => { - let future_trait_def_id = tcx.require_lang_item(LangItem::Future, None); - let future_output_def_id = tcx - .associated_items(future_trait_def_id) - .filter_by_name_unhygienic(sym::Output) - .next() - .unwrap() - .def_id; + let future_output_def_id = tcx.require_lang_item(LangItem::FutureOutput, None); Ty::new_projection(tcx, future_output_def_id, [sig.output()]) } name => bug!("no such associated type: {name}"), @@ -1919,13 +1913,7 @@ fn confirm_async_closure_candidate<'cx, 'tcx>( let term = match item_name { sym::CallOnceFuture | sym::CallRefFuture => sig.output(), sym::Output => { - let future_trait_def_id = tcx.require_lang_item(LangItem::Future, None); - let future_output_def_id = tcx - .associated_items(future_trait_def_id) - .filter_by_name_unhygienic(sym::Output) - .next() - .unwrap() - .def_id; + let future_output_def_id = tcx.require_lang_item(LangItem::FutureOutput, None); Ty::new_projection(tcx, future_output_def_id, [sig.output()]) } name => bug!("no such associated type: {name}"), diff --git a/library/core/src/future/future.rs b/library/core/src/future/future.rs index f965afc8a593..86963b548b9c 100644 --- a/library/core/src/future/future.rs +++ b/library/core/src/future/future.rs @@ -35,7 +35,7 @@ use crate::task::{Context, Poll}; pub trait Future { /// The type of value produced on completion. #[stable(feature = "futures_api", since = "1.36.0")] - #[rustc_diagnostic_item = "FutureOutput"] + #[cfg_attr(not(bootstrap), lang = "future_output")] type Output; /// Attempt to resolve the future to a final value, registering From a03ba7fd2d0a94bd29f1ed7618c6e7ceecd3222c Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Wed, 29 May 2024 14:28:53 -0400 Subject: [PATCH 0749/1716] Add lang item for AsyncFnKindHelper::Upvars --- compiler/rustc_hir/src/lang_items.rs | 5 +++-- compiler/rustc_span/src/symbol.rs | 1 + .../src/solve/assembly/structural_traits.rs | 9 +-------- .../src/traits/project.rs | 20 ++++--------------- library/core/src/ops/async_function.rs | 1 + 5 files changed, 10 insertions(+), 26 deletions(-) diff --git a/compiler/rustc_hir/src/lang_items.rs b/compiler/rustc_hir/src/lang_items.rs index 67114a6212c4..f5f7bae11b20 100644 --- a/compiler/rustc_hir/src/lang_items.rs +++ b/compiler/rustc_hir/src/lang_items.rs @@ -228,10 +228,11 @@ language_item_table! { AsyncFn, sym::async_fn, async_fn_trait, Target::Trait, GenericRequirement::Exact(1); AsyncFnMut, sym::async_fn_mut, async_fn_mut_trait, Target::Trait, GenericRequirement::Exact(1); AsyncFnOnce, sym::async_fn_once, async_fn_once_trait, Target::Trait, GenericRequirement::Exact(1); - AsyncFnOnceOutput, sym::async_fn_once_output,async_fn_once_output, Target::AssocTy, GenericRequirement::Exact(1); + AsyncFnOnceOutput, sym::async_fn_once_output, async_fn_once_output, Target::AssocTy, GenericRequirement::Exact(1); CallOnceFuture, sym::call_once_future, call_once_future, Target::AssocTy, GenericRequirement::Exact(1); CallRefFuture, sym::call_ref_future, call_ref_future, Target::AssocTy, GenericRequirement::Exact(2); - AsyncFnKindHelper, sym::async_fn_kind_helper,async_fn_kind_helper, Target::Trait, GenericRequirement::Exact(1); + AsyncFnKindHelper, sym::async_fn_kind_helper, async_fn_kind_helper, Target::Trait, GenericRequirement::Exact(1); + AsyncFnKindUpvars, sym::async_fn_kind_upvars, async_fn_kind_upvars, Target::AssocTy, GenericRequirement::Exact(5); FnOnceOutput, sym::fn_once_output, fn_once_output, Target::AssocTy, GenericRequirement::None; diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index fa4ef923cc01..25ecb9a31c6a 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -438,6 +438,7 @@ symbols! { async_fn, async_fn_in_trait, async_fn_kind_helper, + async_fn_kind_upvars, async_fn_mut, async_fn_once, async_fn_once_output, diff --git a/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs b/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs index 67cf0c3b2fde..08796ef3109e 100644 --- a/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs +++ b/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs @@ -9,7 +9,6 @@ use rustc_macros::{TypeFoldable, TypeVisitable}; use rustc_middle::bug; use rustc_middle::traits::solve::Goal; use rustc_middle::ty::{self, Ty, TyCtxt, TypeFoldable, TypeFolder, TypeSuperFoldable, Upcast}; -use rustc_span::sym; use crate::solve::EvalCtxt; @@ -582,13 +581,7 @@ fn coroutine_closure_to_ambiguous_coroutine<'tcx>( args: ty::CoroutineClosureArgs<'tcx>, sig: ty::CoroutineClosureSignature<'tcx>, ) -> Ty<'tcx> { - let async_fn_kind_trait_def_id = tcx.require_lang_item(LangItem::AsyncFnKindHelper, None); - let upvars_projection_def_id = tcx - .associated_items(async_fn_kind_trait_def_id) - .filter_by_name_unhygienic(sym::Upvars) - .next() - .unwrap() - .def_id; + let upvars_projection_def_id = tcx.require_lang_item(LangItem::AsyncFnKindUpvars, None); let tupled_upvars_ty = Ty::new_projection( tcx, upvars_projection_def_id, diff --git a/compiler/rustc_trait_selection/src/traits/project.rs b/compiler/rustc_trait_selection/src/traits/project.rs index c92c8369fede..b6557e6c4eb3 100644 --- a/compiler/rustc_trait_selection/src/traits/project.rs +++ b/compiler/rustc_trait_selection/src/traits/project.rs @@ -1680,14 +1680,8 @@ fn confirm_closure_candidate<'cx, 'tcx>( args.coroutine_captures_by_ref_ty(), ) } else { - let async_fn_kind_trait_def_id = - tcx.require_lang_item(LangItem::AsyncFnKindHelper, None); - let upvars_projection_def_id = tcx - .associated_items(async_fn_kind_trait_def_id) - .filter_by_name_unhygienic(sym::Upvars) - .next() - .unwrap() - .def_id; + let upvars_projection_def_id = + tcx.require_lang_item(LangItem::AsyncFnKindUpvars, None); let tupled_upvars_ty = Ty::new_projection( tcx, upvars_projection_def_id, @@ -1816,14 +1810,8 @@ fn confirm_async_closure_candidate<'cx, 'tcx>( args.coroutine_captures_by_ref_ty(), ) } else { - let async_fn_kind_trait_def_id = - tcx.require_lang_item(LangItem::AsyncFnKindHelper, None); - let upvars_projection_def_id = tcx - .associated_items(async_fn_kind_trait_def_id) - .filter_by_name_unhygienic(sym::Upvars) - .next() - .unwrap() - .def_id; + let upvars_projection_def_id = + tcx.require_lang_item(LangItem::AsyncFnKindUpvars, None); // When we don't know the closure kind (and therefore also the closure's upvars, // which are computed at the same time), we must delay the computation of the // generator's upvars. We do this using the `AsyncFnKindHelper`, which as a trait diff --git a/library/core/src/ops/async_function.rs b/library/core/src/ops/async_function.rs index fc21ffd5246e..f4e9d1a63ac6 100644 --- a/library/core/src/ops/async_function.rs +++ b/library/core/src/ops/async_function.rs @@ -146,6 +146,7 @@ mod internal_implementation_detail { // `for<'env> fn() -> (&'env T, ...)`. This allows us to represent the binder // of the closure's self-capture, and these upvar types will be instantiated with // the `'closure_env` region provided to the associated type. + #[cfg_attr(not(bootstrap), lang = "async_fn_kind_upvars")] type Upvars<'closure_env, Inputs, Upvars, BorrowedUpvarsAsFnPtr>; } } From 6e67eaa311c8e2992ccc64cf6a9e8f311a02a5d4 Mon Sep 17 00:00:00 2001 From: Vadim Petrochenkov Date: Wed, 29 May 2024 21:30:21 +0300 Subject: [PATCH 0750/1716] ast: Revert a breaking attribute visiting order change --- compiler/rustc_ast/src/visit.rs | 2 +- .../tests/ui/tabs_in_doc_comments.stderr | 54 +++++++++---------- .../attributes/key-value-expansion-scope.rs | 4 +- .../key-value-expansion-scope.stderr | 18 +------ .../feature-gate-optimize_attribute.stderr | 20 +++---- .../issue-43106-gating-of-stable.stderr | 12 ++--- .../issue-43106-gating-of-unstable.stderr | 12 ++--- 7 files changed, 53 insertions(+), 69 deletions(-) diff --git a/compiler/rustc_ast/src/visit.rs b/compiler/rustc_ast/src/visit.rs index 182aa6ed085c..6382eb6861c7 100644 --- a/compiler/rustc_ast/src/visit.rs +++ b/compiler/rustc_ast/src/visit.rs @@ -852,10 +852,10 @@ pub fn walk_assoc_item<'a, V: Visitor<'a>>( ctxt: AssocCtxt, ) -> V::Result { let &Item { id: _, span: _, ident, ref vis, ref attrs, ref kind, tokens: _ } = item; - walk_list!(visitor, visit_attribute, attrs); try_visit!(visitor.visit_vis(vis)); try_visit!(visitor.visit_ident(ident)); try_visit!(kind.walk(item, ctxt, visitor)); + walk_list!(visitor, visit_attribute, attrs); V::Result::output() } diff --git a/src/tools/clippy/tests/ui/tabs_in_doc_comments.stderr b/src/tools/clippy/tests/ui/tabs_in_doc_comments.stderr index aef6c3914526..23d5dcd3a8da 100644 --- a/src/tools/clippy/tests/ui/tabs_in_doc_comments.stderr +++ b/src/tools/clippy/tests/ui/tabs_in_doc_comments.stderr @@ -1,35 +1,11 @@ -error: using tabs in doc comments is not recommended - --> tests/ui/tabs_in_doc_comments.rs:6:5 - | -LL | /// - first one - | ^^^^ help: consider using four spaces per tab - | - = note: `-D clippy::tabs-in-doc-comments` implied by `-D warnings` - = help: to override `-D warnings` add `#[allow(clippy::tabs_in_doc_comments)]` - -error: using tabs in doc comments is not recommended - --> tests/ui/tabs_in_doc_comments.rs:6:13 - | -LL | /// - first one - | ^^^^^^^^ help: consider using four spaces per tab - -error: using tabs in doc comments is not recommended - --> tests/ui/tabs_in_doc_comments.rs:7:5 - | -LL | /// - second one - | ^^^^ help: consider using four spaces per tab - -error: using tabs in doc comments is not recommended - --> tests/ui/tabs_in_doc_comments.rs:7:14 - | -LL | /// - second one - | ^^^^ help: consider using four spaces per tab - error: using tabs in doc comments is not recommended --> tests/ui/tabs_in_doc_comments.rs:10:9 | LL | /// - First String: | ^^^^ help: consider using four spaces per tab + | + = note: `-D clippy::tabs-in-doc-comments` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::tabs_in_doc_comments)]` error: using tabs in doc comments is not recommended --> tests/ui/tabs_in_doc_comments.rs:11:9 @@ -49,5 +25,29 @@ error: using tabs in doc comments is not recommended LL | /// - needs to be inside here | ^^^^^^^^ help: consider using four spaces per tab +error: using tabs in doc comments is not recommended + --> tests/ui/tabs_in_doc_comments.rs:6:5 + | +LL | /// - first one + | ^^^^ help: consider using four spaces per tab + +error: using tabs in doc comments is not recommended + --> tests/ui/tabs_in_doc_comments.rs:6:13 + | +LL | /// - first one + | ^^^^^^^^ help: consider using four spaces per tab + +error: using tabs in doc comments is not recommended + --> tests/ui/tabs_in_doc_comments.rs:7:5 + | +LL | /// - second one + | ^^^^ help: consider using four spaces per tab + +error: using tabs in doc comments is not recommended + --> tests/ui/tabs_in_doc_comments.rs:7:14 + | +LL | /// - second one + | ^^^^ help: consider using four spaces per tab + error: aborting due to 8 previous errors diff --git a/tests/ui/attributes/key-value-expansion-scope.rs b/tests/ui/attributes/key-value-expansion-scope.rs index f435e36ce638..b84fe4873c37 100644 --- a/tests/ui/attributes/key-value-expansion-scope.rs +++ b/tests/ui/attributes/key-value-expansion-scope.rs @@ -17,7 +17,7 @@ fn before() { macro_rules! in_root { () => { "" } } mod macros_stay { - #![doc = in_mod!()] //~ ERROR cannot find macro `in_mod` in this scope + #![doc = in_mod!()] // FIXME, this is a bug macro_rules! in_mod { () => { "" } } @@ -29,7 +29,7 @@ mod macros_stay { #[macro_use] mod macros_escape { - #![doc = in_mod_escape!()] //~ ERROR cannot find macro `in_mod_escape` in this scope + #![doc = in_mod_escape!()] // FIXME, this is a bug macro_rules! in_mod_escape { () => { "" } } diff --git a/tests/ui/attributes/key-value-expansion-scope.stderr b/tests/ui/attributes/key-value-expansion-scope.stderr index 2fa2ed0fa3a4..a66ee9b17fb9 100644 --- a/tests/ui/attributes/key-value-expansion-scope.stderr +++ b/tests/ui/attributes/key-value-expansion-scope.stderr @@ -78,22 +78,6 @@ LL | #![doc = in_block!()] | = help: have you added the `#[macro_use]` on the module/import? -error: cannot find macro `in_mod` in this scope - --> $DIR/key-value-expansion-scope.rs:20:14 - | -LL | #![doc = in_mod!()] - | ^^^^^^ - | - = help: have you added the `#[macro_use]` on the module/import? - -error: cannot find macro `in_mod_escape` in this scope - --> $DIR/key-value-expansion-scope.rs:32:14 - | -LL | #![doc = in_mod_escape!()] - | ^^^^^^^^^^^^^ - | - = help: have you added the `#[macro_use]` on the module/import? - error: cannot find macro `in_block` in this scope --> $DIR/key-value-expansion-scope.rs:43:14 | @@ -134,5 +118,5 @@ LL | #![doc = in_block!()] | = help: have you added the `#[macro_use]` on the module/import? -error: aborting due to 17 previous errors +error: aborting due to 15 previous errors diff --git a/tests/ui/feature-gates/feature-gate-optimize_attribute.stderr b/tests/ui/feature-gates/feature-gate-optimize_attribute.stderr index 9bab366f7fef..815013733a98 100644 --- a/tests/ui/feature-gates/feature-gate-optimize_attribute.stderr +++ b/tests/ui/feature-gates/feature-gate-optimize_attribute.stderr @@ -1,13 +1,3 @@ -error[E0658]: the `#[optimize]` attribute is an experimental feature - --> $DIR/feature-gate-optimize_attribute.rs:4:1 - | -LL | #[optimize(size)] - | ^^^^^^^^^^^^^^^^^ - | - = note: see issue #54882 for more information - = help: add `#![feature(optimize_attribute)]` to the crate attributes to enable - = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date - error[E0658]: the `#[optimize]` attribute is an experimental feature --> $DIR/feature-gate-optimize_attribute.rs:7:1 | @@ -38,6 +28,16 @@ LL | #[optimize(banana)] = help: add `#![feature(optimize_attribute)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date +error[E0658]: the `#[optimize]` attribute is an experimental feature + --> $DIR/feature-gate-optimize_attribute.rs:4:1 + | +LL | #[optimize(size)] + | ^^^^^^^^^^^^^^^^^ + | + = note: see issue #54882 for more information + = help: add `#![feature(optimize_attribute)]` to the crate attributes to enable + = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date + error[E0658]: the `#[optimize]` attribute is an experimental feature --> $DIR/feature-gate-optimize_attribute.rs:2:1 | diff --git a/tests/ui/feature-gates/issue-43106-gating-of-stable.stderr b/tests/ui/feature-gates/issue-43106-gating-of-stable.stderr index e4cc088e2cd3..677fef3a926b 100644 --- a/tests/ui/feature-gates/issue-43106-gating-of-stable.stderr +++ b/tests/ui/feature-gates/issue-43106-gating-of-stable.stderr @@ -1,9 +1,3 @@ -error[E0734]: stability attributes may not be used outside of the standard library - --> $DIR/issue-43106-gating-of-stable.rs:10:1 - | -LL | #[stable()] - | ^^^^^^^^^^^ - error[E0734]: stability attributes may not be used outside of the standard library --> $DIR/issue-43106-gating-of-stable.rs:14:9 | @@ -34,6 +28,12 @@ error[E0734]: stability attributes may not be used outside of the standard libra LL | #[stable()] | ^^^^^^^^^^^ +error[E0734]: stability attributes may not be used outside of the standard library + --> $DIR/issue-43106-gating-of-stable.rs:10:1 + | +LL | #[stable()] + | ^^^^^^^^^^^ + error[E0734]: stability attributes may not be used outside of the standard library --> $DIR/issue-43106-gating-of-stable.rs:7:1 | diff --git a/tests/ui/feature-gates/issue-43106-gating-of-unstable.stderr b/tests/ui/feature-gates/issue-43106-gating-of-unstable.stderr index f7c6e631cd17..a2f361878c6d 100644 --- a/tests/ui/feature-gates/issue-43106-gating-of-unstable.stderr +++ b/tests/ui/feature-gates/issue-43106-gating-of-unstable.stderr @@ -1,9 +1,3 @@ -error[E0734]: stability attributes may not be used outside of the standard library - --> $DIR/issue-43106-gating-of-unstable.rs:10:1 - | -LL | #[unstable()] - | ^^^^^^^^^^^^^ - error[E0734]: stability attributes may not be used outside of the standard library --> $DIR/issue-43106-gating-of-unstable.rs:14:9 | @@ -34,6 +28,12 @@ error[E0734]: stability attributes may not be used outside of the standard libra LL | #[unstable()] | ^^^^^^^^^^^^^ +error[E0734]: stability attributes may not be used outside of the standard library + --> $DIR/issue-43106-gating-of-unstable.rs:10:1 + | +LL | #[unstable()] + | ^^^^^^^^^^^^^ + error[E0734]: stability attributes may not be used outside of the standard library --> $DIR/issue-43106-gating-of-unstable.rs:7:1 | From d38920f67752c270dcdbf7444f668c019864f12f Mon Sep 17 00:00:00 2001 From: Vadim Petrochenkov Date: Wed, 29 May 2024 21:30:21 +0300 Subject: [PATCH 0751/1716] ast: Revert a breaking attribute visiting order change --- tests/ui/tabs_in_doc_comments.stderr | 54 ++++++++++++++-------------- 1 file changed, 27 insertions(+), 27 deletions(-) diff --git a/tests/ui/tabs_in_doc_comments.stderr b/tests/ui/tabs_in_doc_comments.stderr index aef6c3914526..23d5dcd3a8da 100644 --- a/tests/ui/tabs_in_doc_comments.stderr +++ b/tests/ui/tabs_in_doc_comments.stderr @@ -1,35 +1,11 @@ -error: using tabs in doc comments is not recommended - --> tests/ui/tabs_in_doc_comments.rs:6:5 - | -LL | /// - first one - | ^^^^ help: consider using four spaces per tab - | - = note: `-D clippy::tabs-in-doc-comments` implied by `-D warnings` - = help: to override `-D warnings` add `#[allow(clippy::tabs_in_doc_comments)]` - -error: using tabs in doc comments is not recommended - --> tests/ui/tabs_in_doc_comments.rs:6:13 - | -LL | /// - first one - | ^^^^^^^^ help: consider using four spaces per tab - -error: using tabs in doc comments is not recommended - --> tests/ui/tabs_in_doc_comments.rs:7:5 - | -LL | /// - second one - | ^^^^ help: consider using four spaces per tab - -error: using tabs in doc comments is not recommended - --> tests/ui/tabs_in_doc_comments.rs:7:14 - | -LL | /// - second one - | ^^^^ help: consider using four spaces per tab - error: using tabs in doc comments is not recommended --> tests/ui/tabs_in_doc_comments.rs:10:9 | LL | /// - First String: | ^^^^ help: consider using four spaces per tab + | + = note: `-D clippy::tabs-in-doc-comments` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::tabs_in_doc_comments)]` error: using tabs in doc comments is not recommended --> tests/ui/tabs_in_doc_comments.rs:11:9 @@ -49,5 +25,29 @@ error: using tabs in doc comments is not recommended LL | /// - needs to be inside here | ^^^^^^^^ help: consider using four spaces per tab +error: using tabs in doc comments is not recommended + --> tests/ui/tabs_in_doc_comments.rs:6:5 + | +LL | /// - first one + | ^^^^ help: consider using four spaces per tab + +error: using tabs in doc comments is not recommended + --> tests/ui/tabs_in_doc_comments.rs:6:13 + | +LL | /// - first one + | ^^^^^^^^ help: consider using four spaces per tab + +error: using tabs in doc comments is not recommended + --> tests/ui/tabs_in_doc_comments.rs:7:5 + | +LL | /// - second one + | ^^^^ help: consider using four spaces per tab + +error: using tabs in doc comments is not recommended + --> tests/ui/tabs_in_doc_comments.rs:7:14 + | +LL | /// - second one + | ^^^^ help: consider using four spaces per tab + error: aborting due to 8 previous errors From a9631038983cf01c4e47823ff4dd24ab0a507869 Mon Sep 17 00:00:00 2001 From: Paul Gey Date: Tue, 28 May 2024 23:07:44 +0200 Subject: [PATCH 0752/1716] add tests for local crate detection --- src/tools/miri/test-cargo-miri/Cargo.lock | 4 ++++ src/tools/miri/test-cargo-miri/Cargo.toml | 2 +- src/tools/miri/test-cargo-miri/run-test.py | 4 ++++ src/tools/miri/test-cargo-miri/run.local_crate.stderr.ref | 0 src/tools/miri/test-cargo-miri/run.local_crate.stdout.ref | 1 + .../test-cargo-miri/test-local-crate-detection/Cargo.toml | 4 ++++ .../test-cargo-miri/test-local-crate-detection/src/main.rs | 3 +++ 7 files changed, 17 insertions(+), 1 deletion(-) create mode 100644 src/tools/miri/test-cargo-miri/run.local_crate.stderr.ref create mode 100644 src/tools/miri/test-cargo-miri/run.local_crate.stdout.ref create mode 100644 src/tools/miri/test-cargo-miri/test-local-crate-detection/Cargo.toml create mode 100644 src/tools/miri/test-cargo-miri/test-local-crate-detection/src/main.rs diff --git a/src/tools/miri/test-cargo-miri/Cargo.lock b/src/tools/miri/test-cargo-miri/Cargo.lock index 4783f79ea8fb..8f618e7ffb38 100644 --- a/src/tools/miri/test-cargo-miri/Cargo.lock +++ b/src/tools/miri/test-cargo-miri/Cargo.lock @@ -123,6 +123,10 @@ dependencies = [ "byteorder 1.5.0", ] +[[package]] +name = "test-local-crate-detection" +version = "0.1.0" + [[package]] name = "unicode-ident" version = "1.0.12" diff --git a/src/tools/miri/test-cargo-miri/Cargo.toml b/src/tools/miri/test-cargo-miri/Cargo.toml index bfef388669d1..574f1d05a6fa 100644 --- a/src/tools/miri/test-cargo-miri/Cargo.toml +++ b/src/tools/miri/test-cargo-miri/Cargo.toml @@ -1,5 +1,5 @@ [workspace] -members = ["subcrate", "issue-1567", "exported-symbol-dep"] +members = ["subcrate", "issue-1567", "exported-symbol-dep", "test-local-crate-detection"] exclude = ["no-std-smoke"] # it wants to be panic="abort" [package] diff --git a/src/tools/miri/test-cargo-miri/run-test.py b/src/tools/miri/test-cargo-miri/run-test.py index 83f3e4c919b9..d855c333a756 100755 --- a/src/tools/miri/test-cargo-miri/run-test.py +++ b/src/tools/miri/test-cargo-miri/run-test.py @@ -131,6 +131,10 @@ def test_cargo_miri_run(): cargo_miri("run") + ["--target-dir=custom-run", "--", "--target-dir=target/custom-run"], "run.args.stdout.ref", "run.custom-target-dir.stderr.ref", ) + test("`cargo miri run --package=test-local-crate-detection` (test local crate detection)", + cargo_miri("run") + ["--package=test-local-crate-detection"], + "run.local_crate.stdout.ref", "run.local_crate.stderr.ref", + ) def test_cargo_miri_test(): # rustdoc is not run on foreign targets diff --git a/src/tools/miri/test-cargo-miri/run.local_crate.stderr.ref b/src/tools/miri/test-cargo-miri/run.local_crate.stderr.ref new file mode 100644 index 000000000000..e69de29bb2d1 diff --git a/src/tools/miri/test-cargo-miri/run.local_crate.stdout.ref b/src/tools/miri/test-cargo-miri/run.local_crate.stdout.ref new file mode 100644 index 000000000000..1587de9ff3f8 --- /dev/null +++ b/src/tools/miri/test-cargo-miri/run.local_crate.stdout.ref @@ -0,0 +1 @@ +subcrate,issue_1567,exported_symbol_dep,test_local_crate_detection,cargo_miri_test,cdylib,exported_symbol,issue_1691,issue_1705,issue_rust_86261,proc_macro_crate diff --git a/src/tools/miri/test-cargo-miri/test-local-crate-detection/Cargo.toml b/src/tools/miri/test-cargo-miri/test-local-crate-detection/Cargo.toml new file mode 100644 index 000000000000..2d41b210d4c1 --- /dev/null +++ b/src/tools/miri/test-cargo-miri/test-local-crate-detection/Cargo.toml @@ -0,0 +1,4 @@ +[package] +name = "test-local-crate-detection" +version = "0.1.0" +edition = "2021" diff --git a/src/tools/miri/test-cargo-miri/test-local-crate-detection/src/main.rs b/src/tools/miri/test-cargo-miri/test-local-crate-detection/src/main.rs new file mode 100644 index 000000000000..94acf9b7b229 --- /dev/null +++ b/src/tools/miri/test-cargo-miri/test-local-crate-detection/src/main.rs @@ -0,0 +1,3 @@ +fn main() { + println!("{}", env!("MIRI_LOCAL_CRATES")); +} From 5c497cb3f08d729206726e659d17ce1168327949 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Wed, 29 May 2024 21:53:44 +0200 Subject: [PATCH 0753/1716] drop_in_place: weaken the claim of equivalence with drop(ptr.read()) --- library/core/src/ptr/mod.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/library/core/src/ptr/mod.rs b/library/core/src/ptr/mod.rs index d2bbdc84d4dd..51eb2bb4f0e0 100644 --- a/library/core/src/ptr/mod.rs +++ b/library/core/src/ptr/mod.rs @@ -450,7 +450,7 @@ mod mut_ptr; /// Executes the destructor (if any) of the pointed-to value. /// -/// This is semantically equivalent to calling [`ptr::read`] and discarding +/// This is almost the same as calling [`ptr::read`] and discarding /// the result, but has the following advantages: /// /// * It is *required* to use `drop_in_place` to drop unsized types like From f9adc1ee9d5b94d4ccb744cf686091c16849a4ee Mon Sep 17 00:00:00 2001 From: Georg Semmler Date: Wed, 29 May 2024 08:59:06 +0200 Subject: [PATCH 0754/1716] Refactor `#[diagnostic::do_not_recommend]` support This commit refactors the `#[do_not_recommend]` support in the old parser to also apply to projection errors and not only to selection errors. This allows the attribute to be used more widely. --- .../error_reporting/type_err_ctxt_ext.rs | 26 ++++++++++++------ .../type_mismatch.current.stderr | 15 +++++++++++ .../type_mismatch.next.stderr | 15 +++++++++++ .../do_not_recommend/type_mismatch.rs | 27 +++++++++++++++++++ 4 files changed, 75 insertions(+), 8 deletions(-) create mode 100644 tests/ui/diagnostic_namespace/do_not_recommend/type_mismatch.current.stderr create mode 100644 tests/ui/diagnostic_namespace/do_not_recommend/type_mismatch.next.stderr create mode 100644 tests/ui/diagnostic_namespace/do_not_recommend/type_mismatch.rs diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs index 46953a61296a..642bb3a6e1be 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs @@ -414,7 +414,6 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { ty::PredicateKind::Clause(ty::ClauseKind::Trait(trait_predicate)) => { let trait_predicate = bound_predicate.rebind(trait_predicate); let trait_predicate = self.resolve_vars_if_possible(trait_predicate); - let trait_predicate = self.apply_do_not_recommend(trait_predicate, &mut obligation); // Let's use the root obligation as the main message, when we care about the // most general case ("X doesn't implement Pattern<'_>") over the case that @@ -996,12 +995,9 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { err.emit() } - fn apply_do_not_recommend( - &self, - mut trait_predicate: ty::Binder<'tcx, ty::TraitPredicate<'tcx>>, - obligation: &'_ mut PredicateObligation<'tcx>, - ) -> ty::Binder<'tcx, ty::TraitPredicate<'tcx>> { + fn apply_do_not_recommend(&self, obligation: &mut PredicateObligation<'tcx>) -> bool { let mut base_cause = obligation.cause.code().clone(); + let mut applied_do_not_recommend = false; loop { if let ObligationCauseCode::ImplDerived(ref c) = base_cause { if self.tcx.has_attrs_with_path( @@ -1011,7 +1007,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { let code = (*c.derived.parent_code).clone(); obligation.cause.map_code(|_| code); obligation.predicate = c.derived.parent_trait_pred.upcast(self.tcx); - trait_predicate = c.derived.parent_trait_pred.clone(); + applied_do_not_recommend = true; } } if let Some((parent_cause, _parent_pred)) = base_cause.parent() { @@ -1021,7 +1017,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { } } - trait_predicate + applied_do_not_recommend } fn emit_specialized_closure_kind_error( @@ -1521,6 +1517,20 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { #[instrument(skip(self), level = "debug")] fn report_fulfillment_error(&self, error: &FulfillmentError<'tcx>) -> ErrorGuaranteed { + let mut error = FulfillmentError { + obligation: error.obligation.clone(), + code: error.code.clone(), + root_obligation: error.root_obligation.clone(), + }; + if matches!( + error.code, + FulfillmentErrorCode::Select(crate::traits::SelectionError::Unimplemented) + | FulfillmentErrorCode::Project(_) + ) && self.apply_do_not_recommend(&mut error.obligation) + { + error.code = FulfillmentErrorCode::Select(SelectionError::Unimplemented); + } + match error.code { FulfillmentErrorCode::Select(ref selection_error) => self.report_selection_error( error.obligation.clone(), diff --git a/tests/ui/diagnostic_namespace/do_not_recommend/type_mismatch.current.stderr b/tests/ui/diagnostic_namespace/do_not_recommend/type_mismatch.current.stderr new file mode 100644 index 000000000000..bcede8a255f2 --- /dev/null +++ b/tests/ui/diagnostic_namespace/do_not_recommend/type_mismatch.current.stderr @@ -0,0 +1,15 @@ +error[E0277]: Very important message! + --> $DIR/type_mismatch.rs:25:14 + | +LL | verify::(); + | ^^ the trait `TheImportantOne` is not implemented for `u8` + | +note: required by a bound in `verify` + --> $DIR/type_mismatch.rs:22:14 + | +LL | fn verify() {} + | ^^^^^^^^^^^^^^^ required by this bound in `verify` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/diagnostic_namespace/do_not_recommend/type_mismatch.next.stderr b/tests/ui/diagnostic_namespace/do_not_recommend/type_mismatch.next.stderr new file mode 100644 index 000000000000..bcede8a255f2 --- /dev/null +++ b/tests/ui/diagnostic_namespace/do_not_recommend/type_mismatch.next.stderr @@ -0,0 +1,15 @@ +error[E0277]: Very important message! + --> $DIR/type_mismatch.rs:25:14 + | +LL | verify::(); + | ^^ the trait `TheImportantOne` is not implemented for `u8` + | +note: required by a bound in `verify` + --> $DIR/type_mismatch.rs:22:14 + | +LL | fn verify() {} + | ^^^^^^^^^^^^^^^ required by this bound in `verify` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/diagnostic_namespace/do_not_recommend/type_mismatch.rs b/tests/ui/diagnostic_namespace/do_not_recommend/type_mismatch.rs new file mode 100644 index 000000000000..d6721ccc848f --- /dev/null +++ b/tests/ui/diagnostic_namespace/do_not_recommend/type_mismatch.rs @@ -0,0 +1,27 @@ +//@ revisions: current next +//@ ignore-compare-mode-next-solver (explicit revisions) +//@[next] compile-flags: -Znext-solver + +#![feature(do_not_recommend)] + +#[diagnostic::on_unimplemented(message = "Very important message!")] +trait TheImportantOne {} + +trait ImplementationDetail { + type Restriction; +} + +#[diagnostic::do_not_recommend] +impl> TheImportantOne for T {} + +// Comment out this `impl` to show the expected error message. +impl ImplementationDetail for u8 { + type Restriction = u8; +} + +fn verify() {} + +pub fn main() { + verify::(); + //~^ERROR: Very important message! [E0277] +} From 5d8f9b4dc1c913e62387e10762f018f182a34582 Mon Sep 17 00:00:00 2001 From: Tobias Bucher Date: Mon, 13 May 2024 09:05:34 +0200 Subject: [PATCH 0755/1716] Make `std::env::{set_var, remove_var}` unsafe in edition 2024 Allow calling these functions without `unsafe` blocks in editions up until 2021, but don't trigger the `unused_unsafe` lint for `unsafe` blocks containing these functions. Fixes #27970. Fixes #90308. CC #124866. --- compiler/rustc_feature/src/builtin_attrs.rs | 6 +++ .../rustc_mir_build/src/check_unsafety.rs | 13 +++-- compiler/rustc_span/src/symbol.rs | 1 + library/std/src/env.rs | 54 ++++++++++++------- library/std/src/sys/pal/hermit/os.rs | 14 ++--- library/std/src/sys/pal/sgx/os.rs | 4 +- library/std/src/sys/pal/solid/os.rs | 4 +- library/std/src/sys/pal/teeos/os.rs | 4 +- library/std/src/sys/pal/uefi/os.rs | 4 +- library/std/src/sys/pal/unix/os.rs | 8 +-- library/std/src/sys/pal/unsupported/os.rs | 4 +- library/std/src/sys/pal/wasi/os.rs | 4 +- library/std/src/sys/pal/windows/os.rs | 8 +-- library/std/src/sys/pal/xous/os.rs | 4 +- library/std/src/sys/pal/zkvm/os.rs | 4 +- tests/ui/rust-2024/unsafe-env.e2021.stderr | 23 ++++++++ tests/ui/rust-2024/unsafe-env.e2024.stderr | 39 ++++++++++++++ tests/ui/rust-2024/unsafe-env.rs | 31 +++++++++++ 18 files changed, 172 insertions(+), 57 deletions(-) create mode 100644 tests/ui/rust-2024/unsafe-env.e2021.stderr create mode 100644 tests/ui/rust-2024/unsafe-env.e2024.stderr create mode 100644 tests/ui/rust-2024/unsafe-env.rs diff --git a/compiler/rustc_feature/src/builtin_attrs.rs b/compiler/rustc_feature/src/builtin_attrs.rs index 0b4a871dd50c..8b7e93fd5558 100644 --- a/compiler/rustc_feature/src/builtin_attrs.rs +++ b/compiler/rustc_feature/src/builtin_attrs.rs @@ -578,6 +578,12 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ "rustc_allowed_through_unstable_modules special cases accidental stabilizations of stable items \ through unstable paths" ), + rustc_attr!( + rustc_deprecated_safe_2024, Normal, template!(Word), WarnFollowing, + EncodeCrossCrate::Yes, + "rustc_deprecated_safe_2024 is supposed to be used in libstd only", + ), + // ========================================================================== // Internal attributes: Type system related: diff --git a/compiler/rustc_mir_build/src/check_unsafety.rs b/compiler/rustc_mir_build/src/check_unsafety.rs index b5f7ffbd2afb..403b7b31f1e5 100644 --- a/compiler/rustc_mir_build/src/check_unsafety.rs +++ b/compiler/rustc_mir_build/src/check_unsafety.rs @@ -110,14 +110,19 @@ impl<'tcx> UnsafetyVisitor<'_, 'tcx> { ); self.suggest_unsafe_block = false; } - SafetyContext::Safe => { - kind.emit_requires_unsafe_err( + SafetyContext::Safe => match kind { + // Allow calls to deprecated-safe unsafe functions if the + // caller is from an edition before 2024. + UnsafeOpKind::CallToUnsafeFunction(Some(id)) + if !span.at_least_rust_2024() + && self.tcx.has_attr(id, sym::rustc_deprecated_safe_2024) => {} + _ => kind.emit_requires_unsafe_err( self.tcx, span, self.hir_context, unsafe_op_in_unsafe_fn_allowed, - ); - } + ), + }, } } diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index 90da220b3f54..c86701241692 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -1575,6 +1575,7 @@ symbols! { rustc_def_path, rustc_default_body_unstable, rustc_deny_explicit_impl, + rustc_deprecated_safe_2024, rustc_diagnostic_item, rustc_diagnostic_macros, rustc_dirty, diff --git a/library/std/src/env.rs b/library/std/src/env.rs index 6f8ac17f12c7..95ee2a91d159 100644 --- a/library/std/src/env.rs +++ b/library/std/src/env.rs @@ -318,11 +318,6 @@ impl Error for VarError { /// /// # Safety /// -/// Even though this function is currently not marked as `unsafe`, it needs to -/// be because invoking it can cause undefined behaviour. The function will be -/// marked `unsafe` in a future version of Rust. This is tracked in -/// [rust#27970](https://github.com/rust-lang/rust/issues/27970). -/// /// This function is safe to call in a single-threaded program. /// /// In multi-threaded programs, you must ensure that are no other threads @@ -331,7 +326,7 @@ impl Error for VarError { /// how to achieve this, but we strongly suggest not using `set_var` or /// `remove_var` in multi-threaded programs at all. /// -/// Most C libraries, including libc itself do not advertise which functions +/// Most C libraries, including libc itself, do not advertise which functions /// read from the environment. Even functions from the Rust standard library do /// that, e.g. for DNS lookups from [`std::net::ToSocketAddrs`]. /// @@ -353,15 +348,26 @@ impl Error for VarError { /// use std::env; /// /// let key = "KEY"; -/// env::set_var(key, "VALUE"); +/// unsafe { +/// env::set_var(key, "VALUE"); +/// } /// assert_eq!(env::var(key), Ok("VALUE".to_string())); /// ``` +#[cfg(not(bootstrap))] +#[rustc_deprecated_safe_2024] #[stable(feature = "env", since = "1.0.0")] -pub fn set_var, V: AsRef>(key: K, value: V) { +pub unsafe fn set_var, V: AsRef>(key: K, value: V) { _set_var(key.as_ref(), value.as_ref()) } -fn _set_var(key: &OsStr, value: &OsStr) { +#[cfg(bootstrap)] +#[allow(missing_docs)] +#[stable(feature = "env", since = "1.0.0")] +pub fn set_var, V: AsRef>(key: K, value: V) { + unsafe { _set_var(key.as_ref(), value.as_ref()) } +} + +unsafe fn _set_var(key: &OsStr, value: &OsStr) { os_imp::setenv(key, value).unwrap_or_else(|e| { panic!("failed to set environment variable `{key:?}` to `{value:?}`: {e}") }) @@ -371,11 +377,6 @@ fn _set_var(key: &OsStr, value: &OsStr) { /// /// # Safety /// -/// Even though this function is currently not marked as `unsafe`, it needs to -/// be because invoking it can cause undefined behaviour. The function will be -/// marked `unsafe` in a future version of Rust. This is tracked in -/// [rust#27970](https://github.com/rust-lang/rust/issues/27970). -/// /// This function is safe to call in a single-threaded program. /// /// In multi-threaded programs, you must ensure that are no other threads @@ -384,7 +385,7 @@ fn _set_var(key: &OsStr, value: &OsStr) { /// how to achieve this, but we strongly suggest not using `set_var` or /// `remove_var` in multi-threaded programs at all. /// -/// Most C libraries, including libc itself do not advertise which functions +/// Most C libraries, including libc itself, do not advertise which functions /// read from the environment. Even functions from the Rust standard library do /// that, e.g. for DNS lookups from [`std::net::ToSocketAddrs`]. /// @@ -403,22 +404,35 @@ fn _set_var(key: &OsStr, value: &OsStr) { /// /// # Examples /// -/// ``` +/// ```no_run /// use std::env; /// /// let key = "KEY"; -/// env::set_var(key, "VALUE"); +/// unsafe { +/// env::set_var(key, "VALUE"); +/// } /// assert_eq!(env::var(key), Ok("VALUE".to_string())); /// -/// env::remove_var(key); +/// unsafe { +/// env::remove_var(key); +/// } /// assert!(env::var(key).is_err()); /// ``` +#[cfg(not(bootstrap))] +#[rustc_deprecated_safe_2024] #[stable(feature = "env", since = "1.0.0")] -pub fn remove_var>(key: K) { +pub unsafe fn remove_var>(key: K) { _remove_var(key.as_ref()) } -fn _remove_var(key: &OsStr) { +#[cfg(bootstrap)] +#[allow(missing_docs)] +#[stable(feature = "env", since = "1.0.0")] +pub fn remove_var>(key: K) { + unsafe { _remove_var(key.as_ref()) } +} + +unsafe fn _remove_var(key: &OsStr) { os_imp::unsetenv(key) .unwrap_or_else(|e| panic!("failed to remove environment variable `{key:?}`: {e}")) } diff --git a/library/std/src/sys/pal/hermit/os.rs b/library/std/src/sys/pal/hermit/os.rs index cc6781238319..91247d30462f 100644 --- a/library/std/src/sys/pal/hermit/os.rs +++ b/library/std/src/sys/pal/hermit/os.rs @@ -172,18 +172,14 @@ pub fn getenv(k: &OsStr) -> Option { unsafe { ENV.as_ref().unwrap().lock().unwrap().get_mut(k).cloned() } } -pub fn setenv(k: &OsStr, v: &OsStr) -> io::Result<()> { - unsafe { - let (k, v) = (k.to_owned(), v.to_owned()); - ENV.as_ref().unwrap().lock().unwrap().insert(k, v); - } +pub unsafe fn setenv(k: &OsStr, v: &OsStr) -> io::Result<()> { + let (k, v) = (k.to_owned(), v.to_owned()); + ENV.as_ref().unwrap().lock().unwrap().insert(k, v); Ok(()) } -pub fn unsetenv(k: &OsStr) -> io::Result<()> { - unsafe { - ENV.as_ref().unwrap().lock().unwrap().remove(k); - } +pub unsafe fn unsetenv(k: &OsStr) -> io::Result<()> { + ENV.as_ref().unwrap().lock().unwrap().remove(k); Ok(()) } diff --git a/library/std/src/sys/pal/sgx/os.rs b/library/std/src/sys/pal/sgx/os.rs index 86f4c7d3d56d..c021300d4ae3 100644 --- a/library/std/src/sys/pal/sgx/os.rs +++ b/library/std/src/sys/pal/sgx/os.rs @@ -157,13 +157,13 @@ pub fn getenv(k: &OsStr) -> Option { get_env_store().and_then(|s| s.lock().unwrap().get(k).cloned()) } -pub fn setenv(k: &OsStr, v: &OsStr) -> io::Result<()> { +pub unsafe fn setenv(k: &OsStr, v: &OsStr) -> io::Result<()> { let (k, v) = (k.to_owned(), v.to_owned()); create_env_store().lock().unwrap().insert(k, v); Ok(()) } -pub fn unsetenv(k: &OsStr) -> io::Result<()> { +pub unsafe fn unsetenv(k: &OsStr) -> io::Result<()> { if let Some(env) = get_env_store() { env.lock().unwrap().remove(k); } diff --git a/library/std/src/sys/pal/solid/os.rs b/library/std/src/sys/pal/solid/os.rs index ef35d8788a23..ac90aae4ebe4 100644 --- a/library/std/src/sys/pal/solid/os.rs +++ b/library/std/src/sys/pal/solid/os.rs @@ -191,7 +191,7 @@ pub fn getenv(k: &OsStr) -> Option { .flatten() } -pub fn setenv(k: &OsStr, v: &OsStr) -> io::Result<()> { +pub unsafe fn setenv(k: &OsStr, v: &OsStr) -> io::Result<()> { run_with_cstr(k.as_bytes(), &|k| { run_with_cstr(v.as_bytes(), &|v| { let _guard = ENV_LOCK.write(); @@ -200,7 +200,7 @@ pub fn setenv(k: &OsStr, v: &OsStr) -> io::Result<()> { }) } -pub fn unsetenv(n: &OsStr) -> io::Result<()> { +pub unsafe fn unsetenv(n: &OsStr) -> io::Result<()> { run_with_cstr(n.as_bytes(), &|nbuf| { let _guard = ENV_LOCK.write(); cvt_env(unsafe { libc::unsetenv(nbuf.as_ptr()) }).map(drop) diff --git a/library/std/src/sys/pal/teeos/os.rs b/library/std/src/sys/pal/teeos/os.rs index e54a92f01f86..3be0846a6dd4 100644 --- a/library/std/src/sys/pal/teeos/os.rs +++ b/library/std/src/sys/pal/teeos/os.rs @@ -109,11 +109,11 @@ pub fn getenv(_: &OsStr) -> Option { None } -pub fn setenv(_: &OsStr, _: &OsStr) -> io::Result<()> { +pub unsafe fn setenv(_: &OsStr, _: &OsStr) -> io::Result<()> { Err(io::Error::new(io::ErrorKind::Unsupported, "cannot set env vars on this platform")) } -pub fn unsetenv(_: &OsStr) -> io::Result<()> { +pub unsafe fn unsetenv(_: &OsStr) -> io::Result<()> { Err(io::Error::new(io::ErrorKind::Unsupported, "cannot unset env vars on this platform")) } diff --git a/library/std/src/sys/pal/uefi/os.rs b/library/std/src/sys/pal/uefi/os.rs index 58838c5876eb..0b27977df2fd 100644 --- a/library/std/src/sys/pal/uefi/os.rs +++ b/library/std/src/sys/pal/uefi/os.rs @@ -203,11 +203,11 @@ pub fn getenv(_: &OsStr) -> Option { None } -pub fn setenv(_: &OsStr, _: &OsStr) -> io::Result<()> { +pub unsafe fn setenv(_: &OsStr, _: &OsStr) -> io::Result<()> { Err(io::const_io_error!(io::ErrorKind::Unsupported, "cannot set env vars on this platform")) } -pub fn unsetenv(_: &OsStr) -> io::Result<()> { +pub unsafe fn unsetenv(_: &OsStr) -> io::Result<()> { Err(io::const_io_error!(io::ErrorKind::Unsupported, "cannot unset env vars on this platform")) } diff --git a/library/std/src/sys/pal/unix/os.rs b/library/std/src/sys/pal/unix/os.rs index 8afc49f52274..b5c7d30da7bc 100644 --- a/library/std/src/sys/pal/unix/os.rs +++ b/library/std/src/sys/pal/unix/os.rs @@ -675,19 +675,19 @@ pub fn getenv(k: &OsStr) -> Option { .flatten() } -pub fn setenv(k: &OsStr, v: &OsStr) -> io::Result<()> { +pub unsafe fn setenv(k: &OsStr, v: &OsStr) -> io::Result<()> { run_with_cstr(k.as_bytes(), &|k| { run_with_cstr(v.as_bytes(), &|v| { let _guard = ENV_LOCK.write(); - cvt(unsafe { libc::setenv(k.as_ptr(), v.as_ptr(), 1) }).map(drop) + cvt(libc::setenv(k.as_ptr(), v.as_ptr(), 1)).map(drop) }) }) } -pub fn unsetenv(n: &OsStr) -> io::Result<()> { +pub unsafe fn unsetenv(n: &OsStr) -> io::Result<()> { run_with_cstr(n.as_bytes(), &|nbuf| { let _guard = ENV_LOCK.write(); - cvt(unsafe { libc::unsetenv(nbuf.as_ptr()) }).map(drop) + cvt(libc::unsetenv(nbuf.as_ptr())).map(drop) }) } diff --git a/library/std/src/sys/pal/unsupported/os.rs b/library/std/src/sys/pal/unsupported/os.rs index 248b34829f2e..3be98898bbeb 100644 --- a/library/std/src/sys/pal/unsupported/os.rs +++ b/library/std/src/sys/pal/unsupported/os.rs @@ -96,11 +96,11 @@ pub fn getenv(_: &OsStr) -> Option { None } -pub fn setenv(_: &OsStr, _: &OsStr) -> io::Result<()> { +pub unsafe fn setenv(_: &OsStr, _: &OsStr) -> io::Result<()> { Err(io::const_io_error!(io::ErrorKind::Unsupported, "cannot set env vars on this platform")) } -pub fn unsetenv(_: &OsStr) -> io::Result<()> { +pub unsafe fn unsetenv(_: &OsStr) -> io::Result<()> { Err(io::const_io_error!(io::ErrorKind::Unsupported, "cannot unset env vars on this platform")) } diff --git a/library/std/src/sys/pal/wasi/os.rs b/library/std/src/sys/pal/wasi/os.rs index ee377b6ef791..e96296997e6a 100644 --- a/library/std/src/sys/pal/wasi/os.rs +++ b/library/std/src/sys/pal/wasi/os.rs @@ -244,7 +244,7 @@ pub fn getenv(k: &OsStr) -> Option { .flatten() } -pub fn setenv(k: &OsStr, v: &OsStr) -> io::Result<()> { +pub unsafe fn setenv(k: &OsStr, v: &OsStr) -> io::Result<()> { run_with_cstr(k.as_bytes(), &|k| { run_with_cstr(v.as_bytes(), &|v| unsafe { let _guard = env_write_lock(); @@ -253,7 +253,7 @@ pub fn setenv(k: &OsStr, v: &OsStr) -> io::Result<()> { }) } -pub fn unsetenv(n: &OsStr) -> io::Result<()> { +pub unsafe fn unsetenv(n: &OsStr) -> io::Result<()> { run_with_cstr(n.as_bytes(), &|nbuf| unsafe { let _guard = env_write_lock(); cvt(libc::unsetenv(nbuf.as_ptr())).map(drop) diff --git a/library/std/src/sys/pal/windows/os.rs b/library/std/src/sys/pal/windows/os.rs index 64d8b72aed28..483b8b0072c8 100644 --- a/library/std/src/sys/pal/windows/os.rs +++ b/library/std/src/sys/pal/windows/os.rs @@ -302,16 +302,16 @@ pub fn getenv(k: &OsStr) -> Option { .ok() } -pub fn setenv(k: &OsStr, v: &OsStr) -> io::Result<()> { +pub unsafe fn setenv(k: &OsStr, v: &OsStr) -> io::Result<()> { let k = to_u16s(k)?; let v = to_u16s(v)?; - cvt(unsafe { c::SetEnvironmentVariableW(k.as_ptr(), v.as_ptr()) }).map(drop) + cvt(c::SetEnvironmentVariableW(k.as_ptr(), v.as_ptr())).map(drop) } -pub fn unsetenv(n: &OsStr) -> io::Result<()> { +pub unsafe fn unsetenv(n: &OsStr) -> io::Result<()> { let v = to_u16s(n)?; - cvt(unsafe { c::SetEnvironmentVariableW(v.as_ptr(), ptr::null()) }).map(drop) + cvt(c::SetEnvironmentVariableW(v.as_ptr(), ptr::null())).map(drop) } pub fn temp_dir() -> PathBuf { diff --git a/library/std/src/sys/pal/xous/os.rs b/library/std/src/sys/pal/xous/os.rs index 8d2eaee8aa61..9be09eed6298 100644 --- a/library/std/src/sys/pal/xous/os.rs +++ b/library/std/src/sys/pal/xous/os.rs @@ -149,11 +149,11 @@ pub fn getenv(_: &OsStr) -> Option { None } -pub fn setenv(_: &OsStr, _: &OsStr) -> io::Result<()> { +pub unsafe fn setenv(_: &OsStr, _: &OsStr) -> io::Result<()> { Err(io::const_io_error!(io::ErrorKind::Unsupported, "cannot set env vars on this platform")) } -pub fn unsetenv(_: &OsStr) -> io::Result<()> { +pub unsafe fn unsetenv(_: &OsStr) -> io::Result<()> { Err(io::const_io_error!(io::ErrorKind::Unsupported, "cannot unset env vars on this platform")) } diff --git a/library/std/src/sys/pal/zkvm/os.rs b/library/std/src/sys/pal/zkvm/os.rs index 759beb2d306b..e7d6cd52a258 100644 --- a/library/std/src/sys/pal/zkvm/os.rs +++ b/library/std/src/sys/pal/zkvm/os.rs @@ -115,11 +115,11 @@ pub fn getenv(varname: &OsStr) -> Option { Some(OsString::from_inner(os_str::Buf { inner: u8s.to_vec() })) } -pub fn setenv(_: &OsStr, _: &OsStr) -> io::Result<()> { +pub unsafe fn setenv(_: &OsStr, _: &OsStr) -> io::Result<()> { Err(io::const_io_error!(io::ErrorKind::Unsupported, "cannot set env vars on this platform")) } -pub fn unsetenv(_: &OsStr) -> io::Result<()> { +pub unsafe fn unsetenv(_: &OsStr) -> io::Result<()> { Err(io::const_io_error!(io::ErrorKind::Unsupported, "cannot unset env vars on this platform")) } diff --git a/tests/ui/rust-2024/unsafe-env.e2021.stderr b/tests/ui/rust-2024/unsafe-env.e2021.stderr new file mode 100644 index 000000000000..ebca04d348a3 --- /dev/null +++ b/tests/ui/rust-2024/unsafe-env.e2021.stderr @@ -0,0 +1,23 @@ +error[E0133]: call to unsafe function `unsafe_fn` is unsafe and requires unsafe function or block + --> $DIR/unsafe-env.rs:24:5 + | +LL | unsafe_fn(); + | ^^^^^^^^^^^ call to unsafe function + | + = note: consult the function's documentation for information on how to avoid undefined behavior + +error: unnecessary `unsafe` block + --> $DIR/unsafe-env.rs:27:5 + | +LL | unsafe { + | ^^^^^^ unnecessary `unsafe` block + | +note: the lint level is defined here + --> $DIR/unsafe-env.rs:12:8 + | +LL | #[deny(unused_unsafe)] + | ^^^^^^^^^^^^^ + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0133`. diff --git a/tests/ui/rust-2024/unsafe-env.e2024.stderr b/tests/ui/rust-2024/unsafe-env.e2024.stderr new file mode 100644 index 000000000000..212ff1fca009 --- /dev/null +++ b/tests/ui/rust-2024/unsafe-env.e2024.stderr @@ -0,0 +1,39 @@ +error[E0133]: call to unsafe function `set_var` is unsafe and requires unsafe block + --> $DIR/unsafe-env.rs:14:5 + | +LL | env::set_var("FOO", "BAR"); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function + | + = note: consult the function's documentation for information on how to avoid undefined behavior + +error[E0133]: call to unsafe function `remove_var` is unsafe and requires unsafe block + --> $DIR/unsafe-env.rs:16:5 + | +LL | env::remove_var("FOO"); + | ^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function + | + = note: consult the function's documentation for information on how to avoid undefined behavior + +error[E0133]: call to unsafe function `unsafe_fn` is unsafe and requires unsafe block + --> $DIR/unsafe-env.rs:24:5 + | +LL | unsafe_fn(); + | ^^^^^^^^^^^ call to unsafe function + | + = note: consult the function's documentation for information on how to avoid undefined behavior + +error: unnecessary `unsafe` block + --> $DIR/unsafe-env.rs:27:5 + | +LL | unsafe { + | ^^^^^^ unnecessary `unsafe` block + | +note: the lint level is defined here + --> $DIR/unsafe-env.rs:12:8 + | +LL | #[deny(unused_unsafe)] + | ^^^^^^^^^^^^^ + +error: aborting due to 4 previous errors + +For more information about this error, try `rustc --explain E0133`. diff --git a/tests/ui/rust-2024/unsafe-env.rs b/tests/ui/rust-2024/unsafe-env.rs new file mode 100644 index 000000000000..e5c1d5778fd2 --- /dev/null +++ b/tests/ui/rust-2024/unsafe-env.rs @@ -0,0 +1,31 @@ +//@ revisions: e2021 e2024 +//@[e2021] edition: 2021 +//@[e2024] edition: 2024 +//@[e2024] compile-flags: -Zunstable-options + +use std::env; +use std::mem; + +unsafe fn unsafe_fn() {} +fn safe_fn() {} + +#[deny(unused_unsafe)] +fn main() { + env::set_var("FOO", "BAR"); + //[e2024]~^ ERROR call to unsafe function `set_var` is unsafe + env::remove_var("FOO"); + //[e2024]~^ ERROR call to unsafe function `remove_var` is unsafe + + unsafe { + env::set_var("FOO", "BAR"); + env::remove_var("FOO"); + } + + unsafe_fn(); + //~^ ERROR call to unsafe function `unsafe_fn` is unsafe + + unsafe { + //~^ ERROR unnecessary `unsafe` block + safe_fn(); + } +} From 8cf49806486133a1fae72ca22c732ed2800eb879 Mon Sep 17 00:00:00 2001 From: Tobias Bucher Date: Fri, 24 May 2024 10:04:44 +0200 Subject: [PATCH 0756/1716] Add note about safety of `std::env::set_var` on Windows --- library/std/src/env.rs | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) diff --git a/library/std/src/env.rs b/library/std/src/env.rs index 95ee2a91d159..d433caa9d2a4 100644 --- a/library/std/src/env.rs +++ b/library/std/src/env.rs @@ -320,11 +320,14 @@ impl Error for VarError { /// /// This function is safe to call in a single-threaded program. /// -/// In multi-threaded programs, you must ensure that are no other threads -/// concurrently writing or *reading*(!) from the environment through functions -/// other than the ones in this module. You are responsible for figuring out -/// how to achieve this, but we strongly suggest not using `set_var` or -/// `remove_var` in multi-threaded programs at all. +/// This function is also always safe to call on Windows, in single-threaded +/// and multi-threaded programs. +/// +/// In multi-threaded programs on other operating systems, you must ensure that +/// are no other threads concurrently writing or *reading*(!) from the +/// environment through functions other than the ones in this module. You are +/// responsible for figuring out how to achieve this, but we strongly suggest +/// not using `set_var` or `remove_var` in multi-threaded programs at all. /// /// Most C libraries, including libc itself, do not advertise which functions /// read from the environment. Even functions from the Rust standard library do @@ -379,6 +382,9 @@ unsafe fn _set_var(key: &OsStr, value: &OsStr) { /// /// This function is safe to call in a single-threaded program. /// +/// This function is also always safe to call on Windows, in single-threaded +/// and multi-threaded programs. +/// /// In multi-threaded programs, you must ensure that are no other threads /// concurrently writing or *reading*(!) from the environment through functions /// other than the ones in this module. You are responsible for figuring out From d7680e355617f409db3cda62afe35fffbb52e70c Mon Sep 17 00:00:00 2001 From: Tobias Bucher Date: Fri, 24 May 2024 10:26:04 +0200 Subject: [PATCH 0757/1716] Elaborate about modifying env vars in multi-threaded programs --- library/std/src/env.rs | 46 +++++++++++++++++++++++++----------------- 1 file changed, 28 insertions(+), 18 deletions(-) diff --git a/library/std/src/env.rs b/library/std/src/env.rs index d433caa9d2a4..4d649f8a6f13 100644 --- a/library/std/src/env.rs +++ b/library/std/src/env.rs @@ -323,15 +323,20 @@ impl Error for VarError { /// This function is also always safe to call on Windows, in single-threaded /// and multi-threaded programs. /// -/// In multi-threaded programs on other operating systems, you must ensure that -/// are no other threads concurrently writing or *reading*(!) from the -/// environment through functions other than the ones in this module. You are -/// responsible for figuring out how to achieve this, but we strongly suggest -/// not using `set_var` or `remove_var` in multi-threaded programs at all. -/// -/// Most C libraries, including libc itself, do not advertise which functions -/// read from the environment. Even functions from the Rust standard library do -/// that, e.g. for DNS lookups from [`std::net::ToSocketAddrs`]. +/// In multi-threaded programs on other operating systems, we strongly suggest +/// not using `set_var` or `remove_var` at all. The exact requirement is: you +/// must ensure that there are no other threads concurrently writing or +/// *reading*(!) the environment through functions or global variables other +/// than the ones in this module. The problem is that these operating systems +/// do not provide a thread-safe way to read the environment, and most C +/// libraries, including libc itself, do not advertise which functions read +/// from the environment. Even functions from the Rust standard library may +/// read the environment without going through this module, e.g. for DNS +/// lookups from [`std::net::ToSocketAddrs`]. No stable guarantee is made about +/// which functions may read from the environment in future versions of a +/// library. All this makes it not practically possible for you to guarantee +/// that no other thread will read the environment, so the only safe option is +/// to not use `set_var` or `remove_var` in multi-threaded programs at all. /// /// Discussion of this unsafety on Unix may be found in: /// @@ -385,15 +390,20 @@ unsafe fn _set_var(key: &OsStr, value: &OsStr) { /// This function is also always safe to call on Windows, in single-threaded /// and multi-threaded programs. /// -/// In multi-threaded programs, you must ensure that are no other threads -/// concurrently writing or *reading*(!) from the environment through functions -/// other than the ones in this module. You are responsible for figuring out -/// how to achieve this, but we strongly suggest not using `set_var` or -/// `remove_var` in multi-threaded programs at all. -/// -/// Most C libraries, including libc itself, do not advertise which functions -/// read from the environment. Even functions from the Rust standard library do -/// that, e.g. for DNS lookups from [`std::net::ToSocketAddrs`]. +/// In multi-threaded programs on other operating systems, we strongly suggest +/// not using `set_var` or `remove_var` at all. The exact requirement is: you +/// must ensure that there are no other threads concurrently writing or +/// *reading*(!) the environment through functions or global variables other +/// than the ones in this module. The problem is that these operating systems +/// do not provide a thread-safe way to read the environment, and most C +/// libraries, including libc itself, do not advertise which functions read +/// from the environment. Even functions from the Rust standard library may +/// read the environment without going through this module, e.g. for DNS +/// lookups from [`std::net::ToSocketAddrs`]. No stable guarantee is made about +/// which functions may read from the environment in future versions of a +/// library. All this makes it not practically possible for you to guarantee +/// that no other thread will read the environment, so the only safe option is +/// to not use `set_var` or `remove_var` in multi-threaded programs at all. /// /// Discussion of this unsafety on Unix may be found in: /// From 44f9f8bc33c0b5537c52c9e18697b83f12f19604 Mon Sep 17 00:00:00 2001 From: Tobias Bucher Date: Tue, 28 May 2024 15:16:25 +0200 Subject: [PATCH 0758/1716] Add `deprecated_safe` lint It warns about usages of `std::env::{set_var, remove_var}` with an automatic fix wrapping the call in an `unsafe` block. --- compiler/rustc_lint_defs/src/builtin.rs | 49 +++++++++++++++++++ compiler/rustc_mir_build/messages.ftl | 6 +++ .../rustc_mir_build/src/check_unsafety.rs | 19 ++++++- compiler/rustc_mir_build/src/errors.rs | 19 +++++++ .../ui/rust-2024/unsafe-env-suggestion.fixed | 20 ++++++++ tests/ui/rust-2024/unsafe-env-suggestion.rs | 20 ++++++++ .../ui/rust-2024/unsafe-env-suggestion.stderr | 33 +++++++++++++ tests/ui/rust-2024/unsafe-env.e2021.stderr | 6 +-- tests/ui/rust-2024/unsafe-env.e2024.stderr | 10 ++-- tests/ui/rust-2024/unsafe-env.rs | 1 - 10 files changed, 172 insertions(+), 11 deletions(-) create mode 100644 tests/ui/rust-2024/unsafe-env-suggestion.fixed create mode 100644 tests/ui/rust-2024/unsafe-env-suggestion.rs create mode 100644 tests/ui/rust-2024/unsafe-env-suggestion.stderr diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs index 13867319e5cd..93995fe60a36 100644 --- a/compiler/rustc_lint_defs/src/builtin.rs +++ b/compiler/rustc_lint_defs/src/builtin.rs @@ -37,6 +37,7 @@ declare_lint_pass! { DEPRECATED, DEPRECATED_CFG_ATTR_CRATE_TYPE_NAME, DEPRECATED_IN_FUTURE, + DEPRECATED_SAFE, DEPRECATED_WHERE_CLAUSE_LOCATION, DUPLICATE_MACRO_ATTRIBUTES, ELIDED_LIFETIMES_IN_ASSOCIATED_CONSTANT, @@ -4844,3 +4845,51 @@ declare_lint! { reference: "issue #124559 ", }; } + +declare_lint! { + /// The `deprecated_safe` lint detects unsafe functions being used as safe + /// functions. + /// + /// ### Example + /// + /// ```rust,edition2021,compile_fail + /// #![deny(deprecated_safe)] + /// // edition 2021 + /// use std::env; + /// fn enable_backtrace() { + /// env::set_var("RUST_BACKTRACE", "1"); + /// } + /// ``` + /// + /// {{produces}} + /// + /// ### Explanation + /// + /// Rust [editions] allow the language to evolve without breaking backward + /// compatibility. This lint catches code that uses `unsafe` functions that + /// were declared as safe (non-`unsafe`) in earlier editions. If you switch + /// the compiler to a new edition without updating the code, then it + /// will fail to compile if you are using a function previously marked as + /// safe. + /// + /// You can audit the code to see if it suffices the preconditions of the + /// `unsafe` code, and if it does, you can wrap it in an `unsafe` block. If + /// you can't fulfill the preconditions, you probably need to switch to a + /// different way of doing what you want to achieve. + /// + /// This lint can automatically wrap the calls in `unsafe` blocks, but this + /// obviously cannot verify that the preconditions of the `unsafe` + /// functions are fulfilled, so that is still up to the user. + /// + /// The lint is currently "allow" by default, but that might change in the + /// future. + /// + /// [editions]: https://doc.rust-lang.org/edition-guide/ + pub DEPRECATED_SAFE, + Allow, + "detects unsafe functions being used as safe functions", + @future_incompatible = FutureIncompatibleInfo { + reason: FutureIncompatibilityReason::EditionError(Edition::Edition2024), + reference: "issue #27970 ", + }; +} diff --git a/compiler/rustc_mir_build/messages.ftl b/compiler/rustc_mir_build/messages.ftl index 4ba61226a3fd..40a84a599afb 100644 --- a/compiler/rustc_mir_build/messages.ftl +++ b/compiler/rustc_mir_build/messages.ftl @@ -28,6 +28,12 @@ mir_build_borrow_of_moved_value = borrow of moved value .value_borrowed_label = value borrowed here after move .suggestion = borrow this binding in the pattern to avoid moving the value +mir_build_call_to_deprecated_safe_fn_requires_unsafe = + call to deprecated safe function `{$function}` is unsafe and requires unsafe block + .note = consult the function's documentation for information on how to avoid undefined behavior + .label = call to unsafe function + .suggestion = you can wrap the call in an `unsafe` block if you can guarantee the code is only ever called from single-threaded code + mir_build_call_to_fn_with_requires_unsafe = call to function `{$function}` with `#[target_feature]` is unsafe and requires unsafe block .help = in order for the call to be safe, the context requires the following additional target {$missing_target_features_count -> diff --git a/compiler/rustc_mir_build/src/check_unsafety.rs b/compiler/rustc_mir_build/src/check_unsafety.rs index 403b7b31f1e5..24098282d93b 100644 --- a/compiler/rustc_mir_build/src/check_unsafety.rs +++ b/compiler/rustc_mir_build/src/check_unsafety.rs @@ -9,7 +9,7 @@ use rustc_middle::thir::visit::Visitor; use rustc_middle::thir::*; use rustc_middle::ty::print::with_no_trimmed_paths; use rustc_middle::ty::{self, ParamEnv, Ty, TyCtxt}; -use rustc_session::lint::builtin::{UNSAFE_OP_IN_UNSAFE_FN, UNUSED_UNSAFE}; +use rustc_session::lint::builtin::{DEPRECATED_SAFE, UNSAFE_OP_IN_UNSAFE_FN, UNUSED_UNSAFE}; use rustc_session::lint::Level; use rustc_span::def_id::{DefId, LocalDefId}; use rustc_span::symbol::Symbol; @@ -115,7 +115,22 @@ impl<'tcx> UnsafetyVisitor<'_, 'tcx> { // caller is from an edition before 2024. UnsafeOpKind::CallToUnsafeFunction(Some(id)) if !span.at_least_rust_2024() - && self.tcx.has_attr(id, sym::rustc_deprecated_safe_2024) => {} + && self.tcx.has_attr(id, sym::rustc_deprecated_safe_2024) => + { + self.tcx.emit_node_span_lint( + DEPRECATED_SAFE, + self.hir_context, + span, + CallToDeprecatedSafeFnRequiresUnsafe { + span, + function: with_no_trimmed_paths!(self.tcx.def_path_str(id)), + sub: CallToDeprecatedSafeFnRequiresUnsafeSub { + left: span.shrink_to_lo(), + right: span.shrink_to_hi(), + }, + }, + ) + } _ => kind.emit_requires_unsafe_err( self.tcx, span, diff --git a/compiler/rustc_mir_build/src/errors.rs b/compiler/rustc_mir_build/src/errors.rs index ae6e126a4e2c..b29cc24cff81 100644 --- a/compiler/rustc_mir_build/src/errors.rs +++ b/compiler/rustc_mir_build/src/errors.rs @@ -20,6 +20,25 @@ pub struct UnconditionalRecursion { pub call_sites: Vec, } +#[derive(LintDiagnostic)] +#[diag(mir_build_call_to_deprecated_safe_fn_requires_unsafe)] +pub struct CallToDeprecatedSafeFnRequiresUnsafe { + #[label] + pub span: Span, + pub function: String, + #[subdiagnostic] + pub sub: CallToDeprecatedSafeFnRequiresUnsafeSub, +} + +#[derive(Subdiagnostic)] +#[multipart_suggestion(mir_build_suggestion, applicability = "machine-applicable")] +pub struct CallToDeprecatedSafeFnRequiresUnsafeSub { + #[suggestion_part(code = "unsafe {{ ")] + pub left: Span, + #[suggestion_part(code = " }}")] + pub right: Span, +} + #[derive(LintDiagnostic)] #[diag(mir_build_unsafe_op_in_unsafe_fn_call_to_unsafe_fn_requires_unsafe, code = E0133)] #[note] diff --git a/tests/ui/rust-2024/unsafe-env-suggestion.fixed b/tests/ui/rust-2024/unsafe-env-suggestion.fixed new file mode 100644 index 000000000000..d9c738edfacb --- /dev/null +++ b/tests/ui/rust-2024/unsafe-env-suggestion.fixed @@ -0,0 +1,20 @@ +//@ run-rustfix + +#![deny(deprecated_safe)] + +use std::env; + +#[deny(unused_unsafe)] +fn main() { + unsafe { env::set_var("FOO", "BAR") }; + //~^ ERROR call to deprecated safe function + //~| WARN this is accepted in the current edition + unsafe { env::remove_var("FOO") }; + //~^ ERROR call to deprecated safe function + //~| WARN this is accepted in the current edition + + unsafe { + env::set_var("FOO", "BAR"); + env::remove_var("FOO"); + } +} diff --git a/tests/ui/rust-2024/unsafe-env-suggestion.rs b/tests/ui/rust-2024/unsafe-env-suggestion.rs new file mode 100644 index 000000000000..3bd169973e38 --- /dev/null +++ b/tests/ui/rust-2024/unsafe-env-suggestion.rs @@ -0,0 +1,20 @@ +//@ run-rustfix + +#![deny(deprecated_safe)] + +use std::env; + +#[deny(unused_unsafe)] +fn main() { + env::set_var("FOO", "BAR"); + //~^ ERROR call to deprecated safe function + //~| WARN this is accepted in the current edition + env::remove_var("FOO"); + //~^ ERROR call to deprecated safe function + //~| WARN this is accepted in the current edition + + unsafe { + env::set_var("FOO", "BAR"); + env::remove_var("FOO"); + } +} diff --git a/tests/ui/rust-2024/unsafe-env-suggestion.stderr b/tests/ui/rust-2024/unsafe-env-suggestion.stderr new file mode 100644 index 000000000000..90c91c2a474a --- /dev/null +++ b/tests/ui/rust-2024/unsafe-env-suggestion.stderr @@ -0,0 +1,33 @@ +error: call to deprecated safe function `std::env::set_var` is unsafe and requires unsafe block + --> $DIR/unsafe-env-suggestion.rs:9:5 + | +LL | env::set_var("FOO", "BAR"); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function + | + = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2024! + = note: for more information, see issue #27970 +note: the lint level is defined here + --> $DIR/unsafe-env-suggestion.rs:3:9 + | +LL | #![deny(deprecated_safe)] + | ^^^^^^^^^^^^^^^ +help: you can wrap the call in an `unsafe` block if you can guarantee the code is only ever called from single-threaded code + | +LL | unsafe { env::set_var("FOO", "BAR") }; + | ++++++++ + + +error: call to deprecated safe function `std::env::remove_var` is unsafe and requires unsafe block + --> $DIR/unsafe-env-suggestion.rs:12:5 + | +LL | env::remove_var("FOO"); + | ^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function + | + = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2024! + = note: for more information, see issue #27970 +help: you can wrap the call in an `unsafe` block if you can guarantee the code is only ever called from single-threaded code + | +LL | unsafe { env::remove_var("FOO") }; + | ++++++++ + + +error: aborting due to 2 previous errors + diff --git a/tests/ui/rust-2024/unsafe-env.e2021.stderr b/tests/ui/rust-2024/unsafe-env.e2021.stderr index ebca04d348a3..cc40ec2e466b 100644 --- a/tests/ui/rust-2024/unsafe-env.e2021.stderr +++ b/tests/ui/rust-2024/unsafe-env.e2021.stderr @@ -1,5 +1,5 @@ error[E0133]: call to unsafe function `unsafe_fn` is unsafe and requires unsafe function or block - --> $DIR/unsafe-env.rs:24:5 + --> $DIR/unsafe-env.rs:23:5 | LL | unsafe_fn(); | ^^^^^^^^^^^ call to unsafe function @@ -7,13 +7,13 @@ LL | unsafe_fn(); = note: consult the function's documentation for information on how to avoid undefined behavior error: unnecessary `unsafe` block - --> $DIR/unsafe-env.rs:27:5 + --> $DIR/unsafe-env.rs:26:5 | LL | unsafe { | ^^^^^^ unnecessary `unsafe` block | note: the lint level is defined here - --> $DIR/unsafe-env.rs:12:8 + --> $DIR/unsafe-env.rs:11:8 | LL | #[deny(unused_unsafe)] | ^^^^^^^^^^^^^ diff --git a/tests/ui/rust-2024/unsafe-env.e2024.stderr b/tests/ui/rust-2024/unsafe-env.e2024.stderr index 212ff1fca009..b43f817cf72a 100644 --- a/tests/ui/rust-2024/unsafe-env.e2024.stderr +++ b/tests/ui/rust-2024/unsafe-env.e2024.stderr @@ -1,5 +1,5 @@ error[E0133]: call to unsafe function `set_var` is unsafe and requires unsafe block - --> $DIR/unsafe-env.rs:14:5 + --> $DIR/unsafe-env.rs:13:5 | LL | env::set_var("FOO", "BAR"); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function @@ -7,7 +7,7 @@ LL | env::set_var("FOO", "BAR"); = note: consult the function's documentation for information on how to avoid undefined behavior error[E0133]: call to unsafe function `remove_var` is unsafe and requires unsafe block - --> $DIR/unsafe-env.rs:16:5 + --> $DIR/unsafe-env.rs:15:5 | LL | env::remove_var("FOO"); | ^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function @@ -15,7 +15,7 @@ LL | env::remove_var("FOO"); = note: consult the function's documentation for information on how to avoid undefined behavior error[E0133]: call to unsafe function `unsafe_fn` is unsafe and requires unsafe block - --> $DIR/unsafe-env.rs:24:5 + --> $DIR/unsafe-env.rs:23:5 | LL | unsafe_fn(); | ^^^^^^^^^^^ call to unsafe function @@ -23,13 +23,13 @@ LL | unsafe_fn(); = note: consult the function's documentation for information on how to avoid undefined behavior error: unnecessary `unsafe` block - --> $DIR/unsafe-env.rs:27:5 + --> $DIR/unsafe-env.rs:26:5 | LL | unsafe { | ^^^^^^ unnecessary `unsafe` block | note: the lint level is defined here - --> $DIR/unsafe-env.rs:12:8 + --> $DIR/unsafe-env.rs:11:8 | LL | #[deny(unused_unsafe)] | ^^^^^^^^^^^^^ diff --git a/tests/ui/rust-2024/unsafe-env.rs b/tests/ui/rust-2024/unsafe-env.rs index e5c1d5778fd2..a882f077b9bb 100644 --- a/tests/ui/rust-2024/unsafe-env.rs +++ b/tests/ui/rust-2024/unsafe-env.rs @@ -4,7 +4,6 @@ //@[e2024] compile-flags: -Zunstable-options use std::env; -use std::mem; unsafe fn unsafe_fn() {} fn safe_fn() {} From e6bd6c2044352d842afb827f1fe0fd6f43c38413 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Esteban=20K=C3=BCber?= Date: Wed, 29 May 2024 21:42:40 +0000 Subject: [PATCH 0759/1716] Use parenthetical notation for `Fn` traits Always use the `Fn(T) -> R` format when printing closure traits instead of `Fn<(T,), Output = R>`. Fix #67100: ``` error[E0277]: expected a `Fn()` closure, found `F` --> file.rs:6:13 | 6 | call_fn(f) | ------- ^ expected an `Fn()` closure, found `F` | | | required by a bound introduced by this call | = note: wrap the `F` in a closure with no arguments: `|| { /* code */ }` note: required by a bound in `call_fn` --> file.rs:1:15 | 1 | fn call_fn ()>(f: &F) { | ^^^^^^^^^^ required by this bound in `call_fn` help: consider further restricting this bound | 5 | fn call_any(f: &F) { | ++++++ ``` --- .../src/diagnostics/conflict_errors.rs | 2 +- compiler/rustc_const_eval/src/check_consts/ops.rs | 2 +- compiler/rustc_hir_analysis/src/coherence/builtin.rs | 2 +- compiler/rustc_middle/src/ty/print/pretty.rs | 2 +- .../src/traits/error_reporting/suggestions.rs | 11 ++++++----- tests/ui/async-await/async-fn/impl-header.stderr | 2 +- tests/ui/closures/closure-expected.stderr | 2 +- tests/ui/closures/coerce-unsafe-to-closure.stderr | 2 +- tests/ui/consts/fn_trait_refs.stderr | 12 ++++++------ tests/ui/consts/unstable-const-fn-in-libcore.stderr | 4 ++-- .../block_instead_of_closure_in_arg.stderr | 2 +- .../ruby_style_closure_successful_parse.stderr | 2 +- tests/ui/extern/extern-wrong-value-type.stderr | 2 +- ...feature-gate-unboxed-closures-manual-impls.stderr | 4 ++-- tests/ui/fn/fn-trait-formatting.stderr | 2 +- tests/ui/fn/issue-39259.stderr | 2 +- .../issue-68642-broken-llvm-ir.stderr | 4 ++-- .../issue-68643-broken-mir.stderr | 4 ++-- .../issue-68644-codegen-selection.stderr | 4 ++-- .../issue-68645-codegen-fulfillment.stderr | 4 ++-- tests/ui/impl-trait/normalize-tait-in-const.stderr | 4 ++-- tests/ui/intrinsics/const-eval-select-bad.stderr | 4 ++-- tests/ui/issues/issue-22034.stderr | 2 +- tests/ui/issues/issue-23966.stderr | 2 +- tests/ui/lifetimes/issue-76168-hr-outlives-3.stderr | 10 +++++----- tests/ui/lifetimes/issue-95023.stderr | 2 +- .../suggest-option-asderef-unfixable.stderr | 4 ++-- .../rfcs/rfc-2396-target_feature-11/fn-traits.stderr | 12 ++++++------ .../const-closure-trait-method-fail.stderr | 4 ++-- .../const-closure-trait-method.stderr | 4 ++-- .../rfc-2632-const-trait-impl/const-closures.stderr | 12 ++++++------ .../check-trait-object-bounds-2.stderr | 2 +- .../traits/bound/assoc-fn-bound-root-obligation.rs | 2 +- .../bound/assoc-fn-bound-root-obligation.stderr | 2 +- tests/ui/traits/issue-87558.stderr | 2 +- tests/ui/traits/next-solver/fn-trait.stderr | 8 ++++---- .../suggest-dereferences/root-obligation.stderr | 4 ++-- tests/ui/type-alias-impl-trait/issue-63279.stderr | 4 ++-- .../unboxed-closures-fnmut-as-fn.stderr | 2 +- .../unboxed-closures-unsafe-extern-fn.stderr | 6 +++--- .../unboxed-closures-wrong-abi.stderr | 6 +++--- .../unboxed-closures-wrong-arg-type-extern-fn.stderr | 6 +++--- tests/ui/unsafe/initializing-ranged-via-ctor.stderr | 2 +- 43 files changed, 89 insertions(+), 88 deletions(-) diff --git a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs index 2f1b2ce9c4c7..5d5a1d76a3c0 100644 --- a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs @@ -1362,7 +1362,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { match *predicate.self_ty().kind() { ty::Param(param_ty) => Ok(( generics.type_param(param_ty, tcx), - predicate.trait_ref.print_only_trait_path().to_string(), + predicate.trait_ref.print_trait_sugared().to_string(), )), _ => Err(()), } diff --git a/compiler/rustc_const_eval/src/check_consts/ops.rs b/compiler/rustc_const_eval/src/check_consts/ops.rs index 90b622cae656..feab5b929acb 100644 --- a/compiler/rustc_const_eval/src/check_consts/ops.rs +++ b/compiler/rustc_const_eval/src/check_consts/ops.rs @@ -113,7 +113,7 @@ impl<'tcx> NonConstOp<'tcx> for FnCallNonConst<'tcx> { if let Some(generics) = tcx.hir_node_by_def_id(caller).generics() { let constraint = with_no_trimmed_paths!(format!( "~const {}", - trait_ref.print_only_trait_path() + trait_ref.print_trait_sugared(), )); suggest_constraining_type_param( tcx, diff --git a/compiler/rustc_hir_analysis/src/coherence/builtin.rs b/compiler/rustc_hir_analysis/src/coherence/builtin.rs index 8f0aba1c38c1..84771978a46c 100644 --- a/compiler/rustc_hir_analysis/src/coherence/builtin.rs +++ b/compiler/rustc_hir_analysis/src/coherence/builtin.rs @@ -554,7 +554,7 @@ fn infringing_fields_error( if let ty::Param(_) = ty.kind() { bounds.push(( format!("{ty}"), - trait_ref.print_only_trait_path().to_string(), + trait_ref.print_trait_sugared().to_string(), Some(trait_ref.def_id), )); } diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs index 3c0f2578284a..1da074373c78 100644 --- a/compiler/rustc_middle/src/ty/print/pretty.rs +++ b/compiler/rustc_middle/src/ty/print/pretty.rs @@ -3197,7 +3197,7 @@ define_print_and_forward_display! { if let ty::PredicatePolarity::Negative = self.0.polarity { p!("!") } - p!(print(self.0.trait_ref.print_only_trait_path())); + p!(print(self.0.trait_ref.print_trait_sugared())); } PrintClosureAsImpl<'tcx> { diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs index 6c56ebb62aed..0483789d3663 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs @@ -29,10 +29,11 @@ use rustc_macros::extension; use rustc_middle::hir::map; use rustc_middle::traits::IsConstable; use rustc_middle::ty::error::TypeError::{self, Sorts}; +use rustc_middle::ty::print::PrintPolyTraitRefExt; use rustc_middle::ty::{ self, suggest_arbitrary_trait_bound, suggest_constraining_type_param, AdtKind, GenericArgs, - InferTy, IsSuggestable, Ty, TyCtxt, TypeFoldable, TypeFolder, TypeSuperFoldable, - TypeVisitableExt, TypeckResults, Upcast, + InferTy, IsSuggestable, ToPolyTraitRef, Ty, TyCtxt, TypeFoldable, TypeFolder, + TypeSuperFoldable, TypeVisitableExt, TypeckResults, Upcast, }; use rustc_middle::{bug, span_bug}; use rustc_span::def_id::LocalDefId; @@ -219,15 +220,15 @@ pub fn suggest_restriction<'tcx, G: EmissionGuarantee>( (_, None) => predicate_constraint(hir_generics, trait_pred.upcast(tcx)), (None, Some((ident, []))) => ( ident.span.shrink_to_hi(), - format!(": {}", trait_pred.print_modifiers_and_trait_path()), + format!(": {}", trait_pred.to_poly_trait_ref().print_trait_sugared()), ), (_, Some((_, [.., bounds]))) => ( bounds.span().shrink_to_hi(), - format!(" + {}", trait_pred.print_modifiers_and_trait_path()), + format!(" + {}", trait_pred.to_poly_trait_ref().print_trait_sugared()), ), (Some(_), Some((_, []))) => ( hir_generics.span.shrink_to_hi(), - format!(": {}", trait_pred.print_modifiers_and_trait_path()), + format!(": {}", trait_pred.to_poly_trait_ref().print_trait_sugared()), ), }; diff --git a/tests/ui/async-await/async-fn/impl-header.stderr b/tests/ui/async-await/async-fn/impl-header.stderr index 2fb862af04e4..64a98aab17b2 100644 --- a/tests/ui/async-await/async-fn/impl-header.stderr +++ b/tests/ui/async-await/async-fn/impl-header.stderr @@ -28,7 +28,7 @@ error[E0277]: expected a `FnMut()` closure, found `F` LL | impl async Fn<()> for F {} | ^ expected an `FnMut()` closure, found `F` | - = help: the trait `FnMut<()>` is not implemented for `F` + = help: the trait `FnMut()` is not implemented for `F` = note: wrap the `F` in a closure with no arguments: `|| { /* code */ }` note: required by a bound in `Fn` --> $SRC_DIR/core/src/ops/function.rs:LL:COL diff --git a/tests/ui/closures/closure-expected.stderr b/tests/ui/closures/closure-expected.stderr index 6b309d70bdf1..53a93e1e84dd 100644 --- a/tests/ui/closures/closure-expected.stderr +++ b/tests/ui/closures/closure-expected.stderr @@ -6,7 +6,7 @@ LL | let y = x.or_else(4); | | | required by a bound introduced by this call | - = help: the trait `FnOnce<()>` is not implemented for `{integer}` + = help: the trait `FnOnce()` is not implemented for `{integer}` = note: wrap the `{integer}` in a closure with no arguments: `|| { /* code */ }` note: required by a bound in `Option::::or_else` --> $SRC_DIR/core/src/option.rs:LL:COL diff --git a/tests/ui/closures/coerce-unsafe-to-closure.stderr b/tests/ui/closures/coerce-unsafe-to-closure.stderr index 4841ff32e701..cb718ca160f8 100644 --- a/tests/ui/closures/coerce-unsafe-to-closure.stderr +++ b/tests/ui/closures/coerce-unsafe-to-closure.stderr @@ -6,7 +6,7 @@ LL | let x: Option<&[u8]> = Some("foo").map(std::mem::transmute); | | | required by a bound introduced by this call | - = help: the trait `FnOnce<(&str,)>` is not implemented for fn item `unsafe extern "rust-intrinsic" fn(_) -> _ {transmute::<_, _>}` + = help: the trait `FnOnce(&str)` is not implemented for fn item `unsafe extern "rust-intrinsic" fn(_) -> _ {transmute::<_, _>}` = note: unsafe function cannot be called generically without an unsafe block note: required by a bound in `Option::::map` --> $SRC_DIR/core/src/option.rs:LL:COL diff --git a/tests/ui/consts/fn_trait_refs.stderr b/tests/ui/consts/fn_trait_refs.stderr index aad0ae64e858..4fb82c0683dc 100644 --- a/tests/ui/consts/fn_trait_refs.stderr +++ b/tests/ui/consts/fn_trait_refs.stderr @@ -107,8 +107,8 @@ LL | f() = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants help: consider further restricting this bound | -LL | T: ~const Fn<()> + ~const Destruct + ~const std::ops::Fn<()>, - | +++++++++++++++++++++++++ +LL | T: ~const Fn<()> + ~const Destruct + ~const Fn(), + | +++++++++++++ help: add `#![feature(effects)]` to the crate attributes to enable | LL + #![feature(effects)] @@ -132,8 +132,8 @@ LL | f() = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants help: consider further restricting this bound | -LL | T: ~const FnMut<()> + ~const Destruct + ~const std::ops::FnMut<()>, - | ++++++++++++++++++++++++++++ +LL | T: ~const FnMut<()> + ~const Destruct + ~const FnMut(), + | ++++++++++++++++ help: add `#![feature(effects)]` to the crate attributes to enable | LL + #![feature(effects)] @@ -157,8 +157,8 @@ LL | f() = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants help: consider further restricting this bound | -LL | T: ~const FnOnce<()> + ~const std::ops::FnOnce<()>, - | +++++++++++++++++++++++++++++ +LL | T: ~const FnOnce<()> + ~const FnOnce(), + | +++++++++++++++++ help: add `#![feature(effects)]` to the crate attributes to enable | LL + #![feature(effects)] diff --git a/tests/ui/consts/unstable-const-fn-in-libcore.stderr b/tests/ui/consts/unstable-const-fn-in-libcore.stderr index 9590b3372e32..6c83eff4de01 100644 --- a/tests/ui/consts/unstable-const-fn-in-libcore.stderr +++ b/tests/ui/consts/unstable-const-fn-in-libcore.stderr @@ -13,8 +13,8 @@ LL | Opt::None => f(), = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants help: consider further restricting this bound | -LL | const fn unwrap_or_else T + ~const std::ops::FnOnce<()>>(self, f: F) -> T { - | +++++++++++++++++++++++++++++ +LL | const fn unwrap_or_else T + ~const FnOnce()>(self, f: F) -> T { + | +++++++++++++++++ help: add `#![feature(effects)]` to the crate attributes to enable | LL + #![feature(effects)] diff --git a/tests/ui/expr/malformed_closure/block_instead_of_closure_in_arg.stderr b/tests/ui/expr/malformed_closure/block_instead_of_closure_in_arg.stderr index 1264d9693425..c4c1c830afa6 100644 --- a/tests/ui/expr/malformed_closure/block_instead_of_closure_in_arg.stderr +++ b/tests/ui/expr/malformed_closure/block_instead_of_closure_in_arg.stderr @@ -14,7 +14,7 @@ LL | || } LL | | }); | |______^ expected an `FnOnce(&bool)` closure, found `bool` | - = help: the trait `for<'a> FnOnce<(&'a bool,)>` is not implemented for `bool` + = help: the trait `for<'a> FnOnce(&'a bool)` is not implemented for `bool` note: required by a bound in `Option::::filter` --> $SRC_DIR/core/src/option.rs:LL:COL help: you might have meant to create the closure instead of a block diff --git a/tests/ui/expr/malformed_closure/ruby_style_closure_successful_parse.stderr b/tests/ui/expr/malformed_closure/ruby_style_closure_successful_parse.stderr index a7ed9f5880b6..54d3c6727f77 100644 --- a/tests/ui/expr/malformed_closure/ruby_style_closure_successful_parse.stderr +++ b/tests/ui/expr/malformed_closure/ruby_style_closure_successful_parse.stderr @@ -11,7 +11,7 @@ LL | | Some(x * 2) LL | | }); | |_____^ expected an `FnOnce({integer})` closure, found `Option` | - = help: the trait `FnOnce<({integer},)>` is not implemented for `Option` + = help: the trait `FnOnce({integer})` is not implemented for `Option` note: required by a bound in `Option::::and_then` --> $SRC_DIR/core/src/option.rs:LL:COL help: you might have meant to open the closure body instead of placing a closure within a block diff --git a/tests/ui/extern/extern-wrong-value-type.stderr b/tests/ui/extern/extern-wrong-value-type.stderr index 1c08aa1717f4..692a66011711 100644 --- a/tests/ui/extern/extern-wrong-value-type.stderr +++ b/tests/ui/extern/extern-wrong-value-type.stderr @@ -6,7 +6,7 @@ LL | is_fn(f); | | | required by a bound introduced by this call | - = help: the trait `Fn<()>` is not implemented for fn item `extern "C" fn() {f}` + = help: the trait `Fn()` is not implemented for fn item `extern "C" fn() {f}` = note: wrap the `extern "C" fn() {f}` in a closure with no arguments: `|| { /* code */ }` note: required by a bound in `is_fn` --> $DIR/extern-wrong-value-type.rs:4:28 diff --git a/tests/ui/feature-gates/feature-gate-unboxed-closures-manual-impls.stderr b/tests/ui/feature-gates/feature-gate-unboxed-closures-manual-impls.stderr index c3f161469e30..71c320422bc8 100644 --- a/tests/ui/feature-gates/feature-gate-unboxed-closures-manual-impls.stderr +++ b/tests/ui/feature-gates/feature-gate-unboxed-closures-manual-impls.stderr @@ -80,7 +80,7 @@ error[E0277]: expected a `FnMut()` closure, found `Foo` LL | impl Fn<()> for Foo { | ^^^ expected an `FnMut()` closure, found `Foo` | - = help: the trait `FnMut<()>` is not implemented for `Foo` + = help: the trait `FnMut()` is not implemented for `Foo` = note: wrap the `Foo` in a closure with no arguments: `|| { /* code */ }` note: required by a bound in `Fn` --> $SRC_DIR/core/src/ops/function.rs:LL:COL @@ -149,7 +149,7 @@ error[E0277]: expected a `FnOnce()` closure, found `Bar` LL | impl FnMut<()> for Bar { | ^^^ expected an `FnOnce()` closure, found `Bar` | - = help: the trait `FnOnce<()>` is not implemented for `Bar` + = help: the trait `FnOnce()` is not implemented for `Bar` = note: wrap the `Bar` in a closure with no arguments: `|| { /* code */ }` note: required by a bound in `FnMut` --> $SRC_DIR/core/src/ops/function.rs:LL:COL diff --git a/tests/ui/fn/fn-trait-formatting.stderr b/tests/ui/fn/fn-trait-formatting.stderr index c5e2f41691fa..9fdef49c5ef9 100644 --- a/tests/ui/fn/fn-trait-formatting.stderr +++ b/tests/ui/fn/fn-trait-formatting.stderr @@ -47,7 +47,7 @@ LL | needs_fn(1); | | | required by a bound introduced by this call | - = help: the trait `Fn<(isize,)>` is not implemented for `{integer}` + = help: the trait `Fn(isize)` is not implemented for `{integer}` note: required by a bound in `needs_fn` --> $DIR/fn-trait-formatting.rs:1:31 | diff --git a/tests/ui/fn/issue-39259.stderr b/tests/ui/fn/issue-39259.stderr index 47150a3c155c..e9d311029a71 100644 --- a/tests/ui/fn/issue-39259.stderr +++ b/tests/ui/fn/issue-39259.stderr @@ -16,7 +16,7 @@ error[E0277]: expected a `FnMut(u32)` closure, found `S` LL | impl Fn(u32) -> u32 for S { | ^ expected an `FnMut(u32)` closure, found `S` | - = help: the trait `FnMut<(u32,)>` is not implemented for `S` + = help: the trait `FnMut(u32)` is not implemented for `S` note: required by a bound in `Fn` --> $SRC_DIR/core/src/ops/function.rs:LL:COL diff --git a/tests/ui/generic-associated-types/issue-68642-broken-llvm-ir.stderr b/tests/ui/generic-associated-types/issue-68642-broken-llvm-ir.stderr index 6bf832bb9e2a..3929e66a25a3 100644 --- a/tests/ui/generic-associated-types/issue-68642-broken-llvm-ir.stderr +++ b/tests/ui/generic-associated-types/issue-68642-broken-llvm-ir.stderr @@ -12,8 +12,8 @@ LL | type F<'a>: Fn() -> u32; | ^^^^^^^^^^^ required by this bound in `Fun::F` help: consider restricting type parameter `T` | -LL | impl> Fun for T { - | ++++++++++++++++++ +LL | impl Fun for T { + | ++++++ error: aborting due to 1 previous error diff --git a/tests/ui/generic-associated-types/issue-68643-broken-mir.stderr b/tests/ui/generic-associated-types/issue-68643-broken-mir.stderr index d9f26ee6c291..662726b89935 100644 --- a/tests/ui/generic-associated-types/issue-68643-broken-mir.stderr +++ b/tests/ui/generic-associated-types/issue-68643-broken-mir.stderr @@ -12,8 +12,8 @@ LL | type F<'a>: Fn() -> u32; | ^^^^^^^^^^^ required by this bound in `Fun::F` help: consider restricting type parameter `T` | -LL | impl> Fun for T { - | ++++++++++++++++++ +LL | impl Fun for T { + | ++++++ error: aborting due to 1 previous error diff --git a/tests/ui/generic-associated-types/issue-68644-codegen-selection.stderr b/tests/ui/generic-associated-types/issue-68644-codegen-selection.stderr index 3dc9ff10243f..34278249e35d 100644 --- a/tests/ui/generic-associated-types/issue-68644-codegen-selection.stderr +++ b/tests/ui/generic-associated-types/issue-68644-codegen-selection.stderr @@ -12,8 +12,8 @@ LL | type F<'a>: Fn() -> u32; | ^^^^^^^^^^^ required by this bound in `Fun::F` help: consider restricting type parameter `T` | -LL | impl> Fun for T { - | ++++++++++++++++++ +LL | impl Fun for T { + | ++++++ error: aborting due to 1 previous error diff --git a/tests/ui/generic-associated-types/issue-68645-codegen-fulfillment.stderr b/tests/ui/generic-associated-types/issue-68645-codegen-fulfillment.stderr index 45fb65f6cf1e..dafe1c1d3950 100644 --- a/tests/ui/generic-associated-types/issue-68645-codegen-fulfillment.stderr +++ b/tests/ui/generic-associated-types/issue-68645-codegen-fulfillment.stderr @@ -12,8 +12,8 @@ LL | type F<'a>: Fn() -> u32; | ^^^^^^^^^^^ required by this bound in `Fun::F` help: consider restricting type parameter `T` | -LL | impl> Fun for T { - | ++++++++++++++++++ +LL | impl Fun for T { + | ++++++ error: aborting due to 1 previous error diff --git a/tests/ui/impl-trait/normalize-tait-in-const.stderr b/tests/ui/impl-trait/normalize-tait-in-const.stderr index fbd41b61730e..9ea4ff7cc70a 100644 --- a/tests/ui/impl-trait/normalize-tait-in-const.stderr +++ b/tests/ui/impl-trait/normalize-tait-in-const.stderr @@ -13,8 +13,8 @@ LL | fun(filter_positive()); = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants help: consider further restricting this bound | -LL | const fn with_positive Fn(&'a Alias<'a>) + ~const Destruct + ~const std::ops::Fn<(&Alias<'_>,)>>(fun: F) { - | ++++++++++++++++++++++++++++++++++++ +LL | const fn with_positive Fn(&'a Alias<'a>) + ~const Destruct + ~const Fn(&Alias<'_>)>(fun: F) { + | +++++++++++++++++++++++ help: add `#![feature(effects)]` to the crate attributes to enable | LL + #![feature(effects)] diff --git a/tests/ui/intrinsics/const-eval-select-bad.stderr b/tests/ui/intrinsics/const-eval-select-bad.stderr index 85e22178c4a6..50092edda4f7 100644 --- a/tests/ui/intrinsics/const-eval-select-bad.stderr +++ b/tests/ui/intrinsics/const-eval-select-bad.stderr @@ -24,7 +24,7 @@ LL | const_eval_select((), 42, 0xDEADBEEF); | | | required by a bound introduced by this call | - = help: the trait `FnOnce<()>` is not implemented for `{integer}` + = help: the trait `FnOnce()` is not implemented for `{integer}` = note: wrap the `{integer}` in a closure with no arguments: `|| { /* code */ }` note: required by a bound in `const_eval_select` --> $SRC_DIR/core/src/intrinsics.rs:LL:COL @@ -37,7 +37,7 @@ LL | const_eval_select((), 42, 0xDEADBEEF); | | | required by a bound introduced by this call | - = help: the trait `FnOnce<()>` is not implemented for `{integer}` + = help: the trait `FnOnce()` is not implemented for `{integer}` = note: wrap the `{integer}` in a closure with no arguments: `|| { /* code */ }` note: required by a bound in `const_eval_select` --> $SRC_DIR/core/src/intrinsics.rs:LL:COL diff --git a/tests/ui/issues/issue-22034.stderr b/tests/ui/issues/issue-22034.stderr index 75ddcd478992..68202085e77d 100644 --- a/tests/ui/issues/issue-22034.stderr +++ b/tests/ui/issues/issue-22034.stderr @@ -4,7 +4,7 @@ error[E0277]: expected a `Fn()` closure, found `()` LL | &mut *(ptr as *mut dyn Fn()) | ^^^ expected an `Fn()` closure, found `()` | - = help: the trait `Fn<()>` is not implemented for `()` + = help: the trait `Fn()` is not implemented for `()` = note: wrap the `()` in a closure with no arguments: `|| { /* code */ }` = note: required for the cast from `*mut ()` to `*mut dyn Fn()` diff --git a/tests/ui/issues/issue-23966.stderr b/tests/ui/issues/issue-23966.stderr index c29e88614442..3f7a4fa312f1 100644 --- a/tests/ui/issues/issue-23966.stderr +++ b/tests/ui/issues/issue-23966.stderr @@ -6,7 +6,7 @@ LL | "".chars().fold(|_, _| (), ()); | | | required by a bound introduced by this call | - = help: the trait `FnMut<(_, char)>` is not implemented for `()` + = help: the trait `FnMut(_, char)` is not implemented for `()` note: required by a bound in `fold` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL diff --git a/tests/ui/lifetimes/issue-76168-hr-outlives-3.stderr b/tests/ui/lifetimes/issue-76168-hr-outlives-3.stderr index e9f97d1d93bd..e8c3ab00226e 100644 --- a/tests/ui/lifetimes/issue-76168-hr-outlives-3.stderr +++ b/tests/ui/lifetimes/issue-76168-hr-outlives-3.stderr @@ -10,7 +10,7 @@ LL | | F:, LL | | for<'a> >::Output: Future + 'a, | |__________________________________________________________________________^ expected an `FnOnce(&'a mut i32)` closure, found `i32` | - = help: the trait `for<'a> FnOnce<(&'a mut i32,)>` is not implemented for `i32` + = help: the trait `for<'a> FnOnce(&'a mut i32)` is not implemented for `i32` error[E0277]: expected a `FnOnce(&'a mut i32)` closure, found `i32` --> $DIR/issue-76168-hr-outlives-3.rs:6:10 @@ -18,7 +18,7 @@ error[E0277]: expected a `FnOnce(&'a mut i32)` closure, found `i32` LL | async fn wrapper(f: F) | ^^^^^^^ expected an `FnOnce(&'a mut i32)` closure, found `i32` | - = help: the trait `for<'a> FnOnce<(&'a mut i32,)>` is not implemented for `i32` + = help: the trait `for<'a> FnOnce(&'a mut i32)` is not implemented for `i32` error[E0277]: expected a `FnOnce(&'a mut i32)` closure, found `i32` --> $DIR/issue-76168-hr-outlives-3.rs:6:1 @@ -32,7 +32,7 @@ LL | | F:, LL | | for<'a> >::Output: Future + 'a, | |__________________________________________________________________________^ expected an `FnOnce(&'a mut i32)` closure, found `i32` | - = help: the trait `for<'a> FnOnce<(&'a mut i32,)>` is not implemented for `i32` + = help: the trait `for<'a> FnOnce(&'a mut i32)` is not implemented for `i32` error[E0277]: expected a `FnOnce(&'a mut i32)` closure, found `i32` --> $DIR/issue-76168-hr-outlives-3.rs:6:1 @@ -46,7 +46,7 @@ LL | | F:, LL | | for<'a> >::Output: Future + 'a, | |__________________________________________________________________________^ expected an `FnOnce(&'a mut i32)` closure, found `i32` | - = help: the trait `for<'a> FnOnce<(&'a mut i32,)>` is not implemented for `i32` + = help: the trait `for<'a> FnOnce(&'a mut i32)` is not implemented for `i32` = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` error[E0277]: expected a `FnOnce(&'a mut i32)` closure, found `i32` @@ -59,7 +59,7 @@ LL | | &mut i; LL | | } | |_^ expected an `FnOnce(&'a mut i32)` closure, found `i32` | - = help: the trait `for<'a> FnOnce<(&'a mut i32,)>` is not implemented for `i32` + = help: the trait `for<'a> FnOnce(&'a mut i32)` is not implemented for `i32` error: aborting due to 5 previous errors diff --git a/tests/ui/lifetimes/issue-95023.stderr b/tests/ui/lifetimes/issue-95023.stderr index c4285dbf4bdb..5ff59cccd890 100644 --- a/tests/ui/lifetimes/issue-95023.stderr +++ b/tests/ui/lifetimes/issue-95023.stderr @@ -38,7 +38,7 @@ error[E0277]: expected a `FnMut(&isize)` closure, found `Error` LL | impl Fn(&isize) for Error { | ^^^^^ expected an `FnMut(&isize)` closure, found `Error` | - = help: the trait `FnMut<(&isize,)>` is not implemented for `Error` + = help: the trait `FnMut(&isize)` is not implemented for `Error` note: required by a bound in `Fn` --> $SRC_DIR/core/src/ops/function.rs:LL:COL diff --git a/tests/ui/mismatched_types/suggest-option-asderef-unfixable.stderr b/tests/ui/mismatched_types/suggest-option-asderef-unfixable.stderr index 99c9028ae1ef..a657a65c426d 100644 --- a/tests/ui/mismatched_types/suggest-option-asderef-unfixable.stderr +++ b/tests/ui/mismatched_types/suggest-option-asderef-unfixable.stderr @@ -26,7 +26,7 @@ LL | let _ = produces_string().and_then(takes_str_but_wrong_abi); | | | required by a bound introduced by this call | - = help: the trait `FnOnce<(String,)>` is not implemented for fn item `for<'a> extern "C" fn(&'a str) -> Option<()> {takes_str_but_wrong_abi}` + = help: the trait `FnOnce(String)` is not implemented for fn item `for<'a> extern "C" fn(&'a str) -> Option<()> {takes_str_but_wrong_abi}` note: required by a bound in `Option::::and_then` --> $SRC_DIR/core/src/option.rs:LL:COL @@ -38,7 +38,7 @@ LL | let _ = produces_string().and_then(takes_str_but_unsafe); | | | required by a bound introduced by this call | - = help: the trait `FnOnce<(String,)>` is not implemented for fn item `for<'a> unsafe fn(&'a str) -> Option<()> {takes_str_but_unsafe}` + = help: the trait `FnOnce(String)` is not implemented for fn item `for<'a> unsafe fn(&'a str) -> Option<()> {takes_str_but_unsafe}` = note: unsafe function cannot be called generically without an unsafe block note: required by a bound in `Option::::and_then` --> $SRC_DIR/core/src/option.rs:LL:COL diff --git a/tests/ui/rfcs/rfc-2396-target_feature-11/fn-traits.stderr b/tests/ui/rfcs/rfc-2396-target_feature-11/fn-traits.stderr index 67bfaa4c98c7..4c07f4d6b990 100644 --- a/tests/ui/rfcs/rfc-2396-target_feature-11/fn-traits.stderr +++ b/tests/ui/rfcs/rfc-2396-target_feature-11/fn-traits.stderr @@ -6,7 +6,7 @@ LL | call(foo); | | | required by a bound introduced by this call | - = help: the trait `Fn<()>` is not implemented for fn item `fn() {foo}` + = help: the trait `Fn()` is not implemented for fn item `fn() {foo}` = note: wrap the `fn() {foo}` in a closure with no arguments: `|| { /* code */ }` = note: `#[target_feature]` functions do not implement the `Fn` traits note: required by a bound in `call` @@ -23,7 +23,7 @@ LL | call_mut(foo); | | | required by a bound introduced by this call | - = help: the trait `FnMut<()>` is not implemented for fn item `fn() {foo}` + = help: the trait `FnMut()` is not implemented for fn item `fn() {foo}` = note: wrap the `fn() {foo}` in a closure with no arguments: `|| { /* code */ }` = note: `#[target_feature]` functions do not implement the `Fn` traits note: required by a bound in `call_mut` @@ -40,7 +40,7 @@ LL | call_once(foo); | | | required by a bound introduced by this call | - = help: the trait `FnOnce<()>` is not implemented for fn item `fn() {foo}` + = help: the trait `FnOnce()` is not implemented for fn item `fn() {foo}` = note: wrap the `fn() {foo}` in a closure with no arguments: `|| { /* code */ }` = note: `#[target_feature]` functions do not implement the `Fn` traits note: required by a bound in `call_once` @@ -57,7 +57,7 @@ LL | call(foo_unsafe); | | | required by a bound introduced by this call | - = help: the trait `Fn<()>` is not implemented for fn item `unsafe fn() {foo_unsafe}` + = help: the trait `Fn()` is not implemented for fn item `unsafe fn() {foo_unsafe}` = note: unsafe function cannot be called generically without an unsafe block = note: wrap the `unsafe fn() {foo_unsafe}` in a closure with no arguments: `|| { /* code */ }` = note: `#[target_feature]` functions do not implement the `Fn` traits @@ -75,7 +75,7 @@ LL | call_mut(foo_unsafe); | | | required by a bound introduced by this call | - = help: the trait `FnMut<()>` is not implemented for fn item `unsafe fn() {foo_unsafe}` + = help: the trait `FnMut()` is not implemented for fn item `unsafe fn() {foo_unsafe}` = note: unsafe function cannot be called generically without an unsafe block = note: wrap the `unsafe fn() {foo_unsafe}` in a closure with no arguments: `|| { /* code */ }` = note: `#[target_feature]` functions do not implement the `Fn` traits @@ -93,7 +93,7 @@ LL | call_once(foo_unsafe); | | | required by a bound introduced by this call | - = help: the trait `FnOnce<()>` is not implemented for fn item `unsafe fn() {foo_unsafe}` + = help: the trait `FnOnce()` is not implemented for fn item `unsafe fn() {foo_unsafe}` = note: unsafe function cannot be called generically without an unsafe block = note: wrap the `unsafe fn() {foo_unsafe}` in a closure with no arguments: `|| { /* code */ }` = note: `#[target_feature]` functions do not implement the `Fn` traits diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-closure-trait-method-fail.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-closure-trait-method-fail.stderr index 151bd6facf72..fb2e66db1d48 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-closure-trait-method-fail.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-closure-trait-method-fail.stderr @@ -13,8 +13,8 @@ LL | x(()) = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants help: consider further restricting this bound | -LL | const fn need_const_closure i32 + ~const std::ops::FnOnce<((),)>>(x: T) -> i32 { - | ++++++++++++++++++++++++++++++++ +LL | const fn need_const_closure i32 + ~const FnOnce(())>(x: T) -> i32 { + | +++++++++++++++++++ help: add `#![feature(effects)]` to the crate attributes to enable | LL + #![feature(effects)] diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-closure-trait-method.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-closure-trait-method.stderr index e2b3e3527012..dede411e69c7 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-closure-trait-method.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-closure-trait-method.stderr @@ -13,8 +13,8 @@ LL | x(()) = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants help: consider further restricting this bound | -LL | const fn need_const_closure i32 + ~const std::ops::FnOnce<((),)>>(x: T) -> i32 { - | ++++++++++++++++++++++++++++++++ +LL | const fn need_const_closure i32 + ~const FnOnce(())>(x: T) -> i32 { + | +++++++++++++++++++ help: add `#![feature(effects)]` to the crate attributes to enable | LL + #![feature(effects)] diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-closures.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-closures.stderr index e5a773123e90..a0f053253892 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-closures.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-closures.stderr @@ -31,8 +31,8 @@ LL | f() + f() = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants help: consider further restricting this bound | -LL | const fn answer u8 + ~const std::ops::Fn<()>>(f: &F) -> u8 { - | +++++++++++++++++++++++++ +LL | const fn answer u8 + ~const Fn()>(f: &F) -> u8 { + | +++++++++++++ help: add `#![feature(effects)]` to the crate attributes to enable | LL + #![feature(effects)] @@ -47,8 +47,8 @@ LL | f() + f() = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants help: consider further restricting this bound | -LL | const fn answer u8 + ~const std::ops::Fn<()>>(f: &F) -> u8 { - | +++++++++++++++++++++++++ +LL | const fn answer u8 + ~const Fn()>(f: &F) -> u8 { + | +++++++++++++ help: add `#![feature(effects)]` to the crate attributes to enable | LL + #![feature(effects)] @@ -63,8 +63,8 @@ LL | f() * 7 = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants help: consider further restricting this bound | -LL | F: ~const FnOnce() -> u8 + ~const std::ops::Fn<()>, - | +++++++++++++++++++++++++ +LL | F: ~const FnOnce() -> u8 + ~const Fn(), + | +++++++++++++ help: add `#![feature(effects)]` to the crate attributes to enable | LL + #![feature(effects)] diff --git a/tests/ui/traits/associated_type_bound/check-trait-object-bounds-2.stderr b/tests/ui/traits/associated_type_bound/check-trait-object-bounds-2.stderr index b7a7784755ec..ebd45b9dd963 100644 --- a/tests/ui/traits/associated_type_bound/check-trait-object-bounds-2.stderr +++ b/tests/ui/traits/associated_type_bound/check-trait-object-bounds-2.stderr @@ -4,7 +4,7 @@ error[E0277]: expected a `FnOnce(&i32)` closure, found `i32` LL | f:: X<'x, F = i32>>(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected an `FnOnce(&i32)` closure, found `i32` | - = help: the trait `for<'a> FnOnce<(&'a i32,)>` is not implemented for `i32` + = help: the trait `for<'a> FnOnce(&'a i32)` is not implemented for `i32` note: required by a bound in `f` --> $DIR/check-trait-object-bounds-2.rs:8:9 | diff --git a/tests/ui/traits/bound/assoc-fn-bound-root-obligation.rs b/tests/ui/traits/bound/assoc-fn-bound-root-obligation.rs index f8e3f8e968e1..98825bd536e0 100644 --- a/tests/ui/traits/bound/assoc-fn-bound-root-obligation.rs +++ b/tests/ui/traits/bound/assoc-fn-bound-root-obligation.rs @@ -2,7 +2,7 @@ fn strip_lf(s: &str) -> &str { s.strip_suffix(b'\n').unwrap_or(s) //~^ ERROR expected a `FnMut(char)` closure, found `u8` //~| NOTE expected an `FnMut(char)` closure, found `u8` - //~| HELP the trait `FnMut<(char,)>` is not implemented for `u8` + //~| HELP the trait `FnMut(char)` is not implemented for `u8` //~| HELP the following other types implement trait `Pattern<'a>`: //~| NOTE required for `u8` to implement `Pattern<'_>` diff --git a/tests/ui/traits/bound/assoc-fn-bound-root-obligation.stderr b/tests/ui/traits/bound/assoc-fn-bound-root-obligation.stderr index 27006f59b902..49272e7d357b 100644 --- a/tests/ui/traits/bound/assoc-fn-bound-root-obligation.stderr +++ b/tests/ui/traits/bound/assoc-fn-bound-root-obligation.stderr @@ -4,7 +4,7 @@ error[E0277]: expected a `FnMut(char)` closure, found `u8` LL | s.strip_suffix(b'\n').unwrap_or(s) | ^^^^^^^^^^^^ expected an `FnMut(char)` closure, found `u8` | - = help: the trait `FnMut<(char,)>` is not implemented for `u8`, which is required by `u8: Pattern<'_>` + = help: the trait `FnMut(char)` is not implemented for `u8`, which is required by `u8: Pattern<'_>` = help: the following other types implement trait `Pattern<'a>`: &'b String &'b [char; N] diff --git a/tests/ui/traits/issue-87558.stderr b/tests/ui/traits/issue-87558.stderr index 1ce273a9f25e..dd589cfc3d38 100644 --- a/tests/ui/traits/issue-87558.stderr +++ b/tests/ui/traits/issue-87558.stderr @@ -30,7 +30,7 @@ error[E0277]: expected a `FnMut(&isize)` closure, found `Error` LL | impl Fn(&isize) for Error { | ^^^^^ expected an `FnMut(&isize)` closure, found `Error` | - = help: the trait `FnMut<(&isize,)>` is not implemented for `Error` + = help: the trait `FnMut(&isize)` is not implemented for `Error` note: required by a bound in `Fn` --> $SRC_DIR/core/src/ops/function.rs:LL:COL diff --git a/tests/ui/traits/next-solver/fn-trait.stderr b/tests/ui/traits/next-solver/fn-trait.stderr index e33487235e66..86d97cb16b32 100644 --- a/tests/ui/traits/next-solver/fn-trait.stderr +++ b/tests/ui/traits/next-solver/fn-trait.stderr @@ -6,7 +6,7 @@ LL | require_fn(f as unsafe fn() -> i32); | | | required by a bound introduced by this call | - = help: the trait `Fn<()>` is not implemented for `unsafe fn() -> i32` + = help: the trait `Fn()` is not implemented for `unsafe fn() -> i32` = note: unsafe function cannot be called generically without an unsafe block = note: wrap the `unsafe fn() -> i32` in a closure with no arguments: `|| { /* code */ }` note: required by a bound in `require_fn` @@ -37,7 +37,7 @@ LL | require_fn(g); | | | required by a bound introduced by this call | - = help: the trait `Fn<()>` is not implemented for fn item `extern "C" fn() -> i32 {g}` + = help: the trait `Fn()` is not implemented for fn item `extern "C" fn() -> i32 {g}` = note: wrap the `extern "C" fn() -> i32 {g}` in a closure with no arguments: `|| { /* code */ }` note: required by a bound in `require_fn` --> $DIR/fn-trait.rs:3:23 @@ -67,7 +67,7 @@ LL | require_fn(g as extern "C" fn() -> i32); | | | required by a bound introduced by this call | - = help: the trait `Fn<()>` is not implemented for `extern "C" fn() -> i32` + = help: the trait `Fn()` is not implemented for `extern "C" fn() -> i32` = note: wrap the `extern "C" fn() -> i32` in a closure with no arguments: `|| { /* code */ }` note: required by a bound in `require_fn` --> $DIR/fn-trait.rs:3:23 @@ -97,7 +97,7 @@ LL | require_fn(h); | | | required by a bound introduced by this call | - = help: the trait `Fn<()>` is not implemented for fn item `unsafe fn() -> i32 {h}` + = help: the trait `Fn()` is not implemented for fn item `unsafe fn() -> i32 {h}` = note: unsafe function cannot be called generically without an unsafe block = note: wrap the `unsafe fn() -> i32 {h}` in a closure with no arguments: `|| { /* code */ }` note: required by a bound in `require_fn` diff --git a/tests/ui/traits/suggest-dereferences/root-obligation.stderr b/tests/ui/traits/suggest-dereferences/root-obligation.stderr index 56f95e207158..14b2ecbb9f2d 100644 --- a/tests/ui/traits/suggest-dereferences/root-obligation.stderr +++ b/tests/ui/traits/suggest-dereferences/root-obligation.stderr @@ -2,11 +2,11 @@ error[E0277]: the trait bound `&char: Pattern<'_>` is not satisfied --> $DIR/root-obligation.rs:6:38 | LL | .filter(|c| "aeiou".contains(c)) - | -------- ^ the trait `Fn<(char,)>` is not implemented for `&char`, which is required by `&char: Pattern<'_>` + | -------- ^ the trait `Fn(char)` is not implemented for `&char`, which is required by `&char: Pattern<'_>` | | | required by a bound introduced by this call | - = note: required for `&char` to implement `FnOnce<(char,)>` + = note: required for `&char` to implement `FnOnce(char)` = note: required for `&char` to implement `Pattern<'_>` note: required by a bound in `core::str::::contains` --> $SRC_DIR/core/src/str/mod.rs:LL:COL diff --git a/tests/ui/type-alias-impl-trait/issue-63279.stderr b/tests/ui/type-alias-impl-trait/issue-63279.stderr index 58cafd21ca87..97158ee297da 100644 --- a/tests/ui/type-alias-impl-trait/issue-63279.stderr +++ b/tests/ui/type-alias-impl-trait/issue-63279.stderr @@ -4,7 +4,7 @@ error[E0277]: expected a `FnOnce()` closure, found `()` LL | fn c() -> Closure { | ^^^^^^^ expected an `FnOnce()` closure, found `()` | - = help: the trait `FnOnce<()>` is not implemented for `()` + = help: the trait `FnOnce()` is not implemented for `()` = note: wrap the `()` in a closure with no arguments: `|| { /* code */ }` error[E0277]: expected a `FnOnce()` closure, found `()` @@ -13,7 +13,7 @@ error[E0277]: expected a `FnOnce()` closure, found `()` LL | || -> Closure { || () } | ^^^^^^^ expected an `FnOnce()` closure, found `()` | - = help: the trait `FnOnce<()>` is not implemented for `()` + = help: the trait `FnOnce()` is not implemented for `()` = note: wrap the `()` in a closure with no arguments: `|| { /* code */ }` error[E0308]: mismatched types diff --git a/tests/ui/unboxed-closures/unboxed-closures-fnmut-as-fn.stderr b/tests/ui/unboxed-closures/unboxed-closures-fnmut-as-fn.stderr index 795bd0a0d180..9c5d824185b8 100644 --- a/tests/ui/unboxed-closures/unboxed-closures-fnmut-as-fn.stderr +++ b/tests/ui/unboxed-closures/unboxed-closures-fnmut-as-fn.stderr @@ -6,7 +6,7 @@ LL | let x = call_it(&S, 22); | | | required by a bound introduced by this call | - = help: the trait `Fn<(isize,)>` is not implemented for `S` + = help: the trait `Fn(isize)` is not implemented for `S` = note: `S` implements `FnMut`, but it must implement `Fn`, which is more general note: required by a bound in `call_it` --> $DIR/unboxed-closures-fnmut-as-fn.rs:22:14 diff --git a/tests/ui/unboxed-closures/unboxed-closures-unsafe-extern-fn.stderr b/tests/ui/unboxed-closures/unboxed-closures-unsafe-extern-fn.stderr index d836af2b0149..dfdb3ea19c3f 100644 --- a/tests/ui/unboxed-closures/unboxed-closures-unsafe-extern-fn.stderr +++ b/tests/ui/unboxed-closures/unboxed-closures-unsafe-extern-fn.stderr @@ -6,7 +6,7 @@ LL | let x = call_it(&square, 22); | | | required by a bound introduced by this call | - = help: the trait `for<'a> Fn<(&'a isize,)>` is not implemented for fn item `for<'a> unsafe fn(&'a isize) -> isize {square}` + = help: the trait `for<'a> Fn(&'a isize)` is not implemented for fn item `for<'a> unsafe fn(&'a isize) -> isize {square}` = note: unsafe function cannot be called generically without an unsafe block note: required by a bound in `call_it` --> $DIR/unboxed-closures-unsafe-extern-fn.rs:9:15 @@ -22,7 +22,7 @@ LL | let y = call_it_mut(&mut square, 22); | | | required by a bound introduced by this call | - = help: the trait `for<'a> FnMut<(&'a isize,)>` is not implemented for fn item `for<'a> unsafe fn(&'a isize) -> isize {square}` + = help: the trait `for<'a> FnMut(&'a isize)` is not implemented for fn item `for<'a> unsafe fn(&'a isize) -> isize {square}` = note: unsafe function cannot be called generically without an unsafe block note: required by a bound in `call_it_mut` --> $DIR/unboxed-closures-unsafe-extern-fn.rs:12:19 @@ -38,7 +38,7 @@ LL | let z = call_it_once(square, 22); | | | required by a bound introduced by this call | - = help: the trait `for<'a> FnOnce<(&'a isize,)>` is not implemented for fn item `for<'a> unsafe fn(&'a isize) -> isize {square}` + = help: the trait `for<'a> FnOnce(&'a isize)` is not implemented for fn item `for<'a> unsafe fn(&'a isize) -> isize {square}` = note: unsafe function cannot be called generically without an unsafe block note: required by a bound in `call_it_once` --> $DIR/unboxed-closures-unsafe-extern-fn.rs:15:20 diff --git a/tests/ui/unboxed-closures/unboxed-closures-wrong-abi.stderr b/tests/ui/unboxed-closures/unboxed-closures-wrong-abi.stderr index c0dcf83a5bb0..b4521cc6890d 100644 --- a/tests/ui/unboxed-closures/unboxed-closures-wrong-abi.stderr +++ b/tests/ui/unboxed-closures/unboxed-closures-wrong-abi.stderr @@ -6,7 +6,7 @@ LL | let x = call_it(&square, 22); | | | required by a bound introduced by this call | - = help: the trait `for<'a> Fn<(&'a isize,)>` is not implemented for fn item `for<'a> extern "C" fn(&'a isize) -> isize {square}` + = help: the trait `for<'a> Fn(&'a isize)` is not implemented for fn item `for<'a> extern "C" fn(&'a isize) -> isize {square}` note: required by a bound in `call_it` --> $DIR/unboxed-closures-wrong-abi.rs:9:15 | @@ -21,7 +21,7 @@ LL | let y = call_it_mut(&mut square, 22); | | | required by a bound introduced by this call | - = help: the trait `for<'a> FnMut<(&'a isize,)>` is not implemented for fn item `for<'a> extern "C" fn(&'a isize) -> isize {square}` + = help: the trait `for<'a> FnMut(&'a isize)` is not implemented for fn item `for<'a> extern "C" fn(&'a isize) -> isize {square}` note: required by a bound in `call_it_mut` --> $DIR/unboxed-closures-wrong-abi.rs:12:19 | @@ -36,7 +36,7 @@ LL | let z = call_it_once(square, 22); | | | required by a bound introduced by this call | - = help: the trait `for<'a> FnOnce<(&'a isize,)>` is not implemented for fn item `for<'a> extern "C" fn(&'a isize) -> isize {square}` + = help: the trait `for<'a> FnOnce(&'a isize)` is not implemented for fn item `for<'a> extern "C" fn(&'a isize) -> isize {square}` note: required by a bound in `call_it_once` --> $DIR/unboxed-closures-wrong-abi.rs:15:20 | diff --git a/tests/ui/unboxed-closures/unboxed-closures-wrong-arg-type-extern-fn.stderr b/tests/ui/unboxed-closures/unboxed-closures-wrong-arg-type-extern-fn.stderr index d261c38f50c2..5519bb33ebc2 100644 --- a/tests/ui/unboxed-closures/unboxed-closures-wrong-arg-type-extern-fn.stderr +++ b/tests/ui/unboxed-closures/unboxed-closures-wrong-arg-type-extern-fn.stderr @@ -6,7 +6,7 @@ LL | let x = call_it(&square, 22); | | | required by a bound introduced by this call | - = help: the trait `for<'a> Fn<(&'a isize,)>` is not implemented for fn item `unsafe fn(isize) -> isize {square}` + = help: the trait `for<'a> Fn(&'a isize)` is not implemented for fn item `unsafe fn(isize) -> isize {square}` = note: unsafe function cannot be called generically without an unsafe block note: required by a bound in `call_it` --> $DIR/unboxed-closures-wrong-arg-type-extern-fn.rs:10:15 @@ -22,7 +22,7 @@ LL | let y = call_it_mut(&mut square, 22); | | | required by a bound introduced by this call | - = help: the trait `for<'a> FnMut<(&'a isize,)>` is not implemented for fn item `unsafe fn(isize) -> isize {square}` + = help: the trait `for<'a> FnMut(&'a isize)` is not implemented for fn item `unsafe fn(isize) -> isize {square}` = note: unsafe function cannot be called generically without an unsafe block note: required by a bound in `call_it_mut` --> $DIR/unboxed-closures-wrong-arg-type-extern-fn.rs:13:19 @@ -38,7 +38,7 @@ LL | let z = call_it_once(square, 22); | | | required by a bound introduced by this call | - = help: the trait `for<'a> FnOnce<(&'a isize,)>` is not implemented for fn item `unsafe fn(isize) -> isize {square}` + = help: the trait `for<'a> FnOnce(&'a isize)` is not implemented for fn item `unsafe fn(isize) -> isize {square}` = note: unsafe function cannot be called generically without an unsafe block note: required by a bound in `call_it_once` --> $DIR/unboxed-closures-wrong-arg-type-extern-fn.rs:16:20 diff --git a/tests/ui/unsafe/initializing-ranged-via-ctor.stderr b/tests/ui/unsafe/initializing-ranged-via-ctor.stderr index 56b112867cf0..040c1d5bcbee 100644 --- a/tests/ui/unsafe/initializing-ranged-via-ctor.stderr +++ b/tests/ui/unsafe/initializing-ranged-via-ctor.stderr @@ -6,7 +6,7 @@ LL | println!("{:?}", Some(1).map(NonZeroAndOneU8).unwrap()); | | | required by a bound introduced by this call | - = help: the trait `FnOnce<({integer},)>` is not implemented for fn item `unsafe fn(u8) -> NonZeroAndOneU8 {NonZeroAndOneU8}` + = help: the trait `FnOnce({integer})` is not implemented for fn item `unsafe fn(u8) -> NonZeroAndOneU8 {NonZeroAndOneU8}` = note: unsafe function cannot be called generically without an unsafe block note: required by a bound in `Option::::map` --> $SRC_DIR/core/src/option.rs:LL:COL From 2f35cfd87a6b1e4917b462447cb5b1ec1835866f Mon Sep 17 00:00:00 2001 From: Trevor Gross Date: Wed, 29 May 2024 19:30:51 -0400 Subject: [PATCH 0760/1716] Bump the stage0 compiler to beta.7 (2024-05-25) --- src/stage0 | 856 ++++++++++++++++++++++++++--------------------------- 1 file changed, 428 insertions(+), 428 deletions(-) diff --git a/src/stage0 b/src/stage0 index 72f50b787a7a..ed88549e6982 100644 --- a/src/stage0 +++ b/src/stage0 @@ -14,434 +14,434 @@ nightly_branch=master # All changes below this comment will be overridden the next time the # tool is executed. -compiler_date=2024-05-24 +compiler_date=2024-05-26 compiler_version=beta -rustfmt_date=2024-05-24 +rustfmt_date=2024-05-29 rustfmt_version=nightly -dist/2024-05-24/rustc-beta-powerpc64le-unknown-linux-gnu.tar.gz=502e7f1a05acd503079654dca24a1a9945452580d835d0b6a2cc21155837a4c7 -dist/2024-05-24/rustc-beta-powerpc64le-unknown-linux-gnu.tar.xz=0bcf49fe166183955a27a0be2e83aa6d6ee9820a475323d8f61c6b159960d3f8 -dist/2024-05-24/rustc-beta-aarch64-pc-windows-msvc.tar.gz=234d90368b765cbe8824068eb2d21ca4c9d7f5cd401f686ef5b338a1781d1468 -dist/2024-05-24/rustc-beta-aarch64-pc-windows-msvc.tar.xz=085cc56230431db4c6088e0f9c4d63fb5af2a7064a5a7e21d5d19be1d3026d18 -dist/2024-05-24/rustc-beta-i686-unknown-linux-gnu.tar.gz=790bcf8e2fe47efc4a0071093df383d70c3383ba3290aaa2f6b5eade8e2f35f0 -dist/2024-05-24/rustc-beta-i686-unknown-linux-gnu.tar.xz=7f8df95a04a6e57db99fb84d60baeddef4a69f13f026f5cc5719a8b6c231d4b8 -dist/2024-05-24/rustc-beta-arm-unknown-linux-gnueabihf.tar.gz=939759a91a408b4ecd8921e0cf07676cc473d1c23a2021a57f0f8b04465e9ed4 -dist/2024-05-24/rustc-beta-arm-unknown-linux-gnueabihf.tar.xz=5ac62bb9f5d7e7e499598f5579156e593d07c91eadfd1326b29f2bea29122164 -dist/2024-05-24/rustc-beta-aarch64-apple-darwin.tar.gz=134d09a9f7c51f1862f1b361da5608bdae02bef2fdb994e30404a8b0e309b7d6 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+dist/2024-05-29/rustc-nightly-i686-pc-windows-msvc.tar.gz=c52226e19cff041f23552589f872399723d4c6d6514db93c2d6201f70f36e013 +dist/2024-05-29/rustc-nightly-i686-pc-windows-msvc.tar.xz=49c5b9d7551462e29ef4a036b3a6dd8905455256aff636b4fd4defc516d62e3f +dist/2024-05-29/rustc-nightly-riscv64gc-unknown-linux-gnu.tar.gz=b04be4f9b1eaf4bb5e9a2a544614ac99f466d5925108633fb8c5b700e7aece7b +dist/2024-05-29/rustc-nightly-riscv64gc-unknown-linux-gnu.tar.xz=8638b2106fbf7e5dc6837caaf07af1750b6aa24dc845e22a35d8e8e53584b2d6 +dist/2024-05-29/rustc-nightly-aarch64-pc-windows-msvc.tar.gz=99710480631e11119640f6955257838648db572c4ed0d8d1b0081bace32313b0 +dist/2024-05-29/rustc-nightly-aarch64-pc-windows-msvc.tar.xz=daab5b6364ad2afe80c96e8d905160e75c0783192296e88fd2b639c49b09d829 +dist/2024-05-29/rustc-nightly-x86_64-pc-windows-msvc.tar.gz=0f6e0e64bbe42aae577cc0cb87d81ecb64a21c745277872177025611993c47a0 +dist/2024-05-29/rustc-nightly-x86_64-pc-windows-msvc.tar.xz=fd45d7b870257bce91a33f5b971b11e0c6743e1c03eaa3c26bd201fe9be0c083 +dist/2024-05-29/rustc-nightly-x86_64-apple-darwin.tar.gz=29c34129ce3fef647140a0302fa1699af5460dab518b56d6a2257c7d7c288487 +dist/2024-05-29/rustc-nightly-x86_64-apple-darwin.tar.xz=fdf25c965c5218fad6e2949da8df88eeb9f886a8f5b9c72ec9d79a993c4829c6 \ No newline at end of file From a8234d5f8729fd78a76641bc341519941bfb14aa Mon Sep 17 00:00:00 2001 From: John Millikin Date: Thu, 30 May 2024 08:40:48 +0900 Subject: [PATCH 0761/1716] Fix copy-paste error in `Duration::from_weeks` panic message. --- library/core/src/time.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/library/core/src/time.rs b/library/core/src/time.rs index 89202e7bb8dd..dfa58e4f46d0 100644 --- a/library/core/src/time.rs +++ b/library/core/src/time.rs @@ -348,7 +348,7 @@ impl Duration { #[inline] pub const fn from_weeks(weeks: u64) -> Duration { if weeks > u64::MAX / (SECS_PER_MINUTE * MINS_PER_HOUR * HOURS_PER_DAY * DAYS_PER_WEEK) { - panic!("overflow in Duration::from_days"); + panic!("overflow in Duration::from_weeks"); } Duration::from_secs(weeks * MINS_PER_HOUR * SECS_PER_MINUTE * HOURS_PER_DAY * DAYS_PER_WEEK) From 5fa0ec6ad17cd002e9359345bbeae4601c03fd53 Mon Sep 17 00:00:00 2001 From: Camille GILLOT Date: Sun, 30 Apr 2023 20:48:29 +0000 Subject: [PATCH 0762/1716] Enable DestinationPropagation by default. --- compiler/rustc_mir_transform/src/dest_prop.rs | 2 +- compiler/rustc_mir_transform/src/lib.rs | 4 +- compiler/rustc_mir_transform/src/nrvo.rs | 235 ------------------ ...o.DestinationPropagation.panic-abort.diff} | 31 +-- ....DestinationPropagation.panic-unwind.diff} | 31 +-- .../nrvo_borrowed.rs} | 4 +- .../{ => dest-prop}/nrvo_miscompile_111005.rs | 4 +- ..._111005.wrong.DestinationPropagation.diff} | 7 +- ...in.DestinationPropagation.panic-abort.diff | 2 +- ...n.DestinationPropagation.panic-unwind.diff | 2 +- ....{impl#0}-partial_cmp.PreCodegen.after.mir | 32 ++- ...ward_loop.PreCodegen.after.panic-abort.mir | 64 +++-- ...ard_loop.PreCodegen.after.panic-unwind.mir | 64 +++-- ...ated_loop.PreCodegen.after.panic-abort.mir | 80 +++--- ...ted_loop.PreCodegen.after.panic-unwind.mir | 80 +++--- ...ward_loop.PreCodegen.after.panic-abort.mir | 66 +++-- ...ard_loop.PreCodegen.after.panic-unwind.mir | 66 +++-- ...ange_loop.PreCodegen.after.panic-abort.mir | 56 ++--- ...nge_loop.PreCodegen.after.panic-unwind.mir | 56 ++--- ...erse_loop.PreCodegen.after.panic-abort.mir | 74 +++--- ...rse_loop.PreCodegen.after.panic-unwind.mir | 74 +++--- 21 files changed, 373 insertions(+), 661 deletions(-) delete mode 100644 compiler/rustc_mir_transform/src/nrvo.rs rename tests/mir-opt/{nrvo_simple.nrvo.RenameReturnPlace.panic-abort.diff => dest-prop/nrvo_borrowed.nrvo.DestinationPropagation.panic-abort.diff} (53%) rename tests/mir-opt/{nrvo_simple.nrvo.RenameReturnPlace.panic-unwind.diff => dest-prop/nrvo_borrowed.nrvo.DestinationPropagation.panic-unwind.diff} (53%) rename tests/mir-opt/{nrvo_simple.rs => dest-prop/nrvo_borrowed.rs} (68%) rename tests/mir-opt/{ => dest-prop}/nrvo_miscompile_111005.rs (78%) rename tests/mir-opt/{nrvo_miscompile_111005.wrong.RenameReturnPlace.diff => dest-prop/nrvo_miscompile_111005.wrong.DestinationPropagation.diff} (60%) diff --git a/compiler/rustc_mir_transform/src/dest_prop.rs b/compiler/rustc_mir_transform/src/dest_prop.rs index b1016c0867c6..f0778594353d 100644 --- a/compiler/rustc_mir_transform/src/dest_prop.rs +++ b/compiler/rustc_mir_transform/src/dest_prop.rs @@ -160,7 +160,7 @@ impl<'tcx> MirPass<'tcx> for DestinationPropagation { // 2. Despite being an overall perf improvement, this still causes a 30% regression in // keccak. We can temporarily fix this by bounding function size, but in the long term // we should fix this by being smarter about invalidating analysis results. - sess.mir_opt_level() >= 3 + sess.mir_opt_level() >= 2 } fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) { diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs index 93ae105150cc..ea033b70df8d 100644 --- a/compiler/rustc_mir_transform/src/lib.rs +++ b/compiler/rustc_mir_transform/src/lib.rs @@ -88,7 +88,6 @@ mod match_branches; mod mentioned_items; mod multiple_return_terminators; mod normalize_array_len; -mod nrvo; mod prettify; mod promote_consts; mod ref_prop; @@ -607,13 +606,12 @@ fn run_optimization_passes<'tcx>(tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) { &jump_threading::JumpThreading, &early_otherwise_branch::EarlyOtherwiseBranch, &simplify_comparison_integral::SimplifyComparisonIntegral, - &dest_prop::DestinationPropagation, &o1(simplify_branches::SimplifyConstCondition::Final), &o1(remove_noop_landing_pads::RemoveNoopLandingPads), &o1(simplify::SimplifyCfg::Final), ©_prop::CopyProp, &dead_store_elimination::DeadStoreElimination::Final, - &nrvo::RenameReturnPlace, + &dest_prop::DestinationPropagation, &simplify::SimplifyLocals::Final, &multiple_return_terminators::MultipleReturnTerminators, &deduplicate_blocks::DeduplicateBlocks, diff --git a/compiler/rustc_mir_transform/src/nrvo.rs b/compiler/rustc_mir_transform/src/nrvo.rs deleted file mode 100644 index 885dbd5f3393..000000000000 --- a/compiler/rustc_mir_transform/src/nrvo.rs +++ /dev/null @@ -1,235 +0,0 @@ -//! See the docs for [`RenameReturnPlace`]. - -use rustc_hir::Mutability; -use rustc_index::bit_set::BitSet; -use rustc_middle::bug; -use rustc_middle::mir::visit::{MutVisitor, NonUseContext, PlaceContext, Visitor}; -use rustc_middle::mir::{self, BasicBlock, Local, Location}; -use rustc_middle::ty::TyCtxt; - -use crate::MirPass; - -/// This pass looks for MIR that always copies the same local into the return place and eliminates -/// the copy by renaming all uses of that local to `_0`. -/// -/// This allows LLVM to perform an optimization similar to the named return value optimization -/// (NRVO) that is guaranteed in C++. This avoids a stack allocation and `memcpy` for the -/// relatively common pattern of allocating a buffer on the stack, mutating it, and returning it by -/// value like so: -/// -/// ```rust -/// fn foo(init: fn(&mut [u8; 1024])) -> [u8; 1024] { -/// let mut buf = [0; 1024]; -/// init(&mut buf); -/// buf -/// } -/// ``` -/// -/// For now, this pass is very simple and only capable of eliminating a single copy. A more general -/// version of copy propagation, such as the one based on non-overlapping live ranges in [#47954] and -/// [#71003], could yield even more benefits. -/// -/// [#47954]: https://github.com/rust-lang/rust/pull/47954 -/// [#71003]: https://github.com/rust-lang/rust/pull/71003 -pub struct RenameReturnPlace; - -impl<'tcx> MirPass<'tcx> for RenameReturnPlace { - fn is_enabled(&self, sess: &rustc_session::Session) -> bool { - // unsound: #111005 - sess.mir_opt_level() > 0 && sess.opts.unstable_opts.unsound_mir_opts - } - - fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut mir::Body<'tcx>) { - let def_id = body.source.def_id(); - let Some(returned_local) = local_eligible_for_nrvo(body) else { - debug!("`{:?}` was ineligible for NRVO", def_id); - return; - }; - - if !tcx.consider_optimizing(|| format!("RenameReturnPlace {def_id:?}")) { - return; - } - - debug!( - "`{:?}` was eligible for NRVO, making {:?} the return place", - def_id, returned_local - ); - - RenameToReturnPlace { tcx, to_rename: returned_local }.visit_body_preserves_cfg(body); - - // Clean up the `NOP`s we inserted for statements made useless by our renaming. - for block_data in body.basic_blocks.as_mut_preserves_cfg() { - block_data.statements.retain(|stmt| stmt.kind != mir::StatementKind::Nop); - } - - // Overwrite the debuginfo of `_0` with that of the renamed local. - let (renamed_decl, ret_decl) = - body.local_decls.pick2_mut(returned_local, mir::RETURN_PLACE); - - // Sometimes, the return place is assigned a local of a different but coercible type, for - // example `&mut T` instead of `&T`. Overwriting the `LocalInfo` for the return place means - // its type may no longer match the return type of its function. This doesn't cause a - // problem in codegen because these two types are layout-compatible, but may be unexpected. - debug!("_0: {:?} = {:?}: {:?}", ret_decl.ty, returned_local, renamed_decl.ty); - ret_decl.clone_from(renamed_decl); - - // The return place is always mutable. - ret_decl.mutability = Mutability::Mut; - } -} - -/// MIR that is eligible for the NRVO must fulfill two conditions: -/// 1. The return place must not be read prior to the `Return` terminator. -/// 2. A simple assignment of a whole local to the return place (e.g., `_0 = _1`) must be the -/// only definition of the return place reaching the `Return` terminator. -/// -/// If the MIR fulfills both these conditions, this function returns the `Local` that is assigned -/// to the return place along all possible paths through the control-flow graph. -fn local_eligible_for_nrvo(body: &mir::Body<'_>) -> Option { - if IsReturnPlaceRead::run(body) { - return None; - } - - let mut copied_to_return_place = None; - for block in body.basic_blocks.indices() { - // Look for blocks with a `Return` terminator. - if !matches!(body[block].terminator().kind, mir::TerminatorKind::Return) { - continue; - } - - // Look for an assignment of a single local to the return place prior to the `Return`. - let returned_local = find_local_assigned_to_return_place(block, body)?; - match body.local_kind(returned_local) { - // FIXME: Can we do this for arguments as well? - mir::LocalKind::Arg => return None, - - mir::LocalKind::ReturnPointer => bug!("Return place was assigned to itself?"), - mir::LocalKind::Temp => {} - } - - // If multiple different locals are copied to the return place. We can't pick a - // single one to rename. - if copied_to_return_place.is_some_and(|old| old != returned_local) { - return None; - } - - copied_to_return_place = Some(returned_local); - } - - copied_to_return_place -} - -fn find_local_assigned_to_return_place(start: BasicBlock, body: &mir::Body<'_>) -> Option { - let mut block = start; - let mut seen = BitSet::new_empty(body.basic_blocks.len()); - - // Iterate as long as `block` has exactly one predecessor that we have not yet visited. - while seen.insert(block) { - trace!("Looking for assignments to `_0` in {:?}", block); - - let local = body[block].statements.iter().rev().find_map(as_local_assigned_to_return_place); - if local.is_some() { - return local; - } - - match body.basic_blocks.predecessors()[block].as_slice() { - &[pred] => block = pred, - _ => return None, - } - } - - None -} - -// If this statement is an assignment of an unprojected local to the return place, -// return that local. -fn as_local_assigned_to_return_place(stmt: &mir::Statement<'_>) -> Option { - if let mir::StatementKind::Assign(box (lhs, rhs)) = &stmt.kind { - if lhs.as_local() == Some(mir::RETURN_PLACE) { - if let mir::Rvalue::Use(mir::Operand::Copy(rhs) | mir::Operand::Move(rhs)) = rhs { - return rhs.as_local(); - } - } - } - - None -} - -struct RenameToReturnPlace<'tcx> { - to_rename: Local, - tcx: TyCtxt<'tcx>, -} - -/// Replaces all uses of `self.to_rename` with `_0`. -impl<'tcx> MutVisitor<'tcx> for RenameToReturnPlace<'tcx> { - fn tcx(&self) -> TyCtxt<'tcx> { - self.tcx - } - - fn visit_statement(&mut self, stmt: &mut mir::Statement<'tcx>, loc: Location) { - // Remove assignments of the local being replaced to the return place, since it is now the - // return place: - // _0 = _1 - if as_local_assigned_to_return_place(stmt) == Some(self.to_rename) { - stmt.kind = mir::StatementKind::Nop; - return; - } - - // Remove storage annotations for the local being replaced: - // StorageLive(_1) - if let mir::StatementKind::StorageLive(local) | mir::StatementKind::StorageDead(local) = - stmt.kind - { - if local == self.to_rename { - stmt.kind = mir::StatementKind::Nop; - return; - } - } - - self.super_statement(stmt, loc) - } - - fn visit_terminator(&mut self, terminator: &mut mir::Terminator<'tcx>, loc: Location) { - // Ignore the implicit "use" of the return place in a `Return` statement. - if let mir::TerminatorKind::Return = terminator.kind { - return; - } - - self.super_terminator(terminator, loc); - } - - fn visit_local(&mut self, l: &mut Local, ctxt: PlaceContext, _: Location) { - if *l == mir::RETURN_PLACE { - assert_eq!(ctxt, PlaceContext::NonUse(NonUseContext::VarDebugInfo)); - } else if *l == self.to_rename { - *l = mir::RETURN_PLACE; - } - } -} - -struct IsReturnPlaceRead(bool); - -impl IsReturnPlaceRead { - fn run(body: &mir::Body<'_>) -> bool { - let mut vis = IsReturnPlaceRead(false); - vis.visit_body(body); - vis.0 - } -} - -impl<'tcx> Visitor<'tcx> for IsReturnPlaceRead { - fn visit_local(&mut self, l: Local, ctxt: PlaceContext, _: Location) { - if l == mir::RETURN_PLACE && ctxt.is_use() && !ctxt.is_place_assignment() { - self.0 = true; - } - } - - fn visit_terminator(&mut self, terminator: &mir::Terminator<'tcx>, loc: Location) { - // Ignore the implicit "use" of the return place in a `Return` statement. - if let mir::TerminatorKind::Return = terminator.kind { - return; - } - - self.super_terminator(terminator, loc); - } -} diff --git a/tests/mir-opt/nrvo_simple.nrvo.RenameReturnPlace.panic-abort.diff b/tests/mir-opt/dest-prop/nrvo_borrowed.nrvo.DestinationPropagation.panic-abort.diff similarity index 53% rename from tests/mir-opt/nrvo_simple.nrvo.RenameReturnPlace.panic-abort.diff rename to tests/mir-opt/dest-prop/nrvo_borrowed.nrvo.DestinationPropagation.panic-abort.diff index f7bc5559ab7b..4d34f43fd5ce 100644 --- a/tests/mir-opt/nrvo_simple.nrvo.RenameReturnPlace.panic-abort.diff +++ b/tests/mir-opt/dest-prop/nrvo_borrowed.nrvo.DestinationPropagation.panic-abort.diff @@ -1,5 +1,5 @@ -- // MIR for `nrvo` before RenameReturnPlace -+ // MIR for `nrvo` after RenameReturnPlace +- // MIR for `nrvo` before DestinationPropagation ++ // MIR for `nrvo` after DestinationPropagation fn nrvo(_1: for<'a> fn(&'a mut [u8; 1024])) -> [u8; 1024] { debug init => _1; @@ -10,32 +10,33 @@ let mut _5: &mut [u8; 1024]; let mut _6: &mut [u8; 1024]; scope 1 { -- debug buf => _2; -+ debug buf => _0; + debug buf => _2; } bb0: { -- StorageLive(_2); -- _2 = [const 0_u8; 1024]; -+ _0 = [const 0_u8; 1024]; + StorageLive(_2); + _2 = [const 0_u8; 1024]; StorageLive(_3); - StorageLive(_4); - _4 = _1; +- StorageLive(_4); +- _4 = _1; ++ nop; ++ nop; StorageLive(_5); StorageLive(_6); -- _6 = &mut _2; -+ _6 = &mut _0; + _6 = &mut _2; _5 = &mut (*_6); - _3 = move _4(move _5) -> [return: bb1, unwind unreachable]; +- _3 = move _4(move _5) -> [return: bb1, unwind unreachable]; ++ _3 = move _1(move _5) -> [return: bb1, unwind unreachable]; } bb1: { StorageDead(_5); - StorageDead(_4); +- StorageDead(_4); ++ nop; StorageDead(_6); StorageDead(_3); -- _0 = _2; -- StorageDead(_2); + _0 = _2; + StorageDead(_2); return; } } diff --git a/tests/mir-opt/nrvo_simple.nrvo.RenameReturnPlace.panic-unwind.diff b/tests/mir-opt/dest-prop/nrvo_borrowed.nrvo.DestinationPropagation.panic-unwind.diff similarity index 53% rename from tests/mir-opt/nrvo_simple.nrvo.RenameReturnPlace.panic-unwind.diff rename to tests/mir-opt/dest-prop/nrvo_borrowed.nrvo.DestinationPropagation.panic-unwind.diff index 3df8e567f1fe..9c3cbef38d69 100644 --- a/tests/mir-opt/nrvo_simple.nrvo.RenameReturnPlace.panic-unwind.diff +++ b/tests/mir-opt/dest-prop/nrvo_borrowed.nrvo.DestinationPropagation.panic-unwind.diff @@ -1,5 +1,5 @@ -- // MIR for `nrvo` before RenameReturnPlace -+ // MIR for `nrvo` after RenameReturnPlace +- // MIR for `nrvo` before DestinationPropagation ++ // MIR for `nrvo` after DestinationPropagation fn nrvo(_1: for<'a> fn(&'a mut [u8; 1024])) -> [u8; 1024] { debug init => _1; @@ -10,32 +10,33 @@ let mut _5: &mut [u8; 1024]; let mut _6: &mut [u8; 1024]; scope 1 { -- debug buf => _2; -+ debug buf => _0; + debug buf => _2; } bb0: { -- StorageLive(_2); -- _2 = [const 0_u8; 1024]; -+ _0 = [const 0_u8; 1024]; + StorageLive(_2); + _2 = [const 0_u8; 1024]; StorageLive(_3); - StorageLive(_4); - _4 = _1; +- StorageLive(_4); +- _4 = _1; ++ nop; ++ nop; StorageLive(_5); StorageLive(_6); -- _6 = &mut _2; -+ _6 = &mut _0; + _6 = &mut _2; _5 = &mut (*_6); - _3 = move _4(move _5) -> [return: bb1, unwind continue]; +- _3 = move _4(move _5) -> [return: bb1, unwind continue]; ++ _3 = move _1(move _5) -> [return: bb1, unwind continue]; } bb1: { StorageDead(_5); - StorageDead(_4); +- StorageDead(_4); ++ nop; StorageDead(_6); StorageDead(_3); -- _0 = _2; -- StorageDead(_2); + _0 = _2; + StorageDead(_2); return; } } diff --git a/tests/mir-opt/nrvo_simple.rs b/tests/mir-opt/dest-prop/nrvo_borrowed.rs similarity index 68% rename from tests/mir-opt/nrvo_simple.rs rename to tests/mir-opt/dest-prop/nrvo_borrowed.rs index 5d2894a704a5..405423f24624 100644 --- a/tests/mir-opt/nrvo_simple.rs +++ b/tests/mir-opt/dest-prop/nrvo_borrowed.rs @@ -1,8 +1,8 @@ // skip-filecheck // EMIT_MIR_FOR_EACH_PANIC_STRATEGY -//@ test-mir-pass: RenameReturnPlace +//@ test-mir-pass: DestinationPropagation -// EMIT_MIR nrvo_simple.nrvo.RenameReturnPlace.diff +// EMIT_MIR nrvo_borrowed.nrvo.DestinationPropagation.diff fn nrvo(init: fn(&mut [u8; 1024])) -> [u8; 1024] { let mut buf = [0; 1024]; init(&mut buf); diff --git a/tests/mir-opt/nrvo_miscompile_111005.rs b/tests/mir-opt/dest-prop/nrvo_miscompile_111005.rs similarity index 78% rename from tests/mir-opt/nrvo_miscompile_111005.rs rename to tests/mir-opt/dest-prop/nrvo_miscompile_111005.rs index 18814b0678fe..faf30cfd1b01 100644 --- a/tests/mir-opt/nrvo_miscompile_111005.rs +++ b/tests/mir-opt/dest-prop/nrvo_miscompile_111005.rs @@ -1,13 +1,13 @@ // skip-filecheck // This is a miscompilation, #111005 to track -//@ test-mir-pass: RenameReturnPlace +//@ test-mir-pass: DestinationPropagation #![feature(custom_mir, core_intrinsics)] extern crate core; use core::intrinsics::mir::*; -// EMIT_MIR nrvo_miscompile_111005.wrong.RenameReturnPlace.diff +// EMIT_MIR nrvo_miscompile_111005.wrong.DestinationPropagation.diff #[custom_mir(dialect = "runtime", phase = "initial")] pub fn wrong(arg: char) -> char { mir!({ diff --git a/tests/mir-opt/nrvo_miscompile_111005.wrong.RenameReturnPlace.diff b/tests/mir-opt/dest-prop/nrvo_miscompile_111005.wrong.DestinationPropagation.diff similarity index 60% rename from tests/mir-opt/nrvo_miscompile_111005.wrong.RenameReturnPlace.diff rename to tests/mir-opt/dest-prop/nrvo_miscompile_111005.wrong.DestinationPropagation.diff index 260b472daa92..afacf5c14966 100644 --- a/tests/mir-opt/nrvo_miscompile_111005.wrong.RenameReturnPlace.diff +++ b/tests/mir-opt/dest-prop/nrvo_miscompile_111005.wrong.DestinationPropagation.diff @@ -1,5 +1,5 @@ -- // MIR for `wrong` before RenameReturnPlace -+ // MIR for `wrong` after RenameReturnPlace +- // MIR for `wrong` before DestinationPropagation ++ // MIR for `wrong` after DestinationPropagation fn wrong(_1: char) -> char { let mut _0: char; @@ -9,8 +9,9 @@ - _2 = _1; - _0 = _2; - _2 = const 'b'; ++ nop; + _0 = _1; -+ _0 = const 'b'; ++ _1 = const 'b'; return; } } diff --git a/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-abort.diff b/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-abort.diff index 570ec129f06e..b596e25ddfdf 100644 --- a/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-abort.diff +++ b/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-abort.diff @@ -18,7 +18,7 @@ bb0: { StorageLive(_1); StorageLive(_2); - _2 = const 1_u32; + nop; _1 = Un { us: const 1_u32 }; StorageDead(_2); StorageLive(_3); diff --git a/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-unwind.diff b/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-unwind.diff index 570ec129f06e..b596e25ddfdf 100644 --- a/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-unwind.diff +++ b/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-unwind.diff @@ -18,7 +18,7 @@ bb0: { StorageLive(_1); StorageLive(_2); - _2 = const 1_u32; + nop; _1 = Un { us: const 1_u32 }; StorageDead(_2); StorageLive(_3); diff --git a/tests/mir-opt/pre-codegen/derived_ord.{impl#0}-partial_cmp.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/derived_ord.{impl#0}-partial_cmp.PreCodegen.after.mir index 47f10451b057..b58e05f93688 100644 --- a/tests/mir-opt/pre-codegen/derived_ord.{impl#0}-partial_cmp.PreCodegen.after.mir +++ b/tests/mir-opt/pre-codegen/derived_ord.{impl#0}-partial_cmp.PreCodegen.after.mir @@ -4,10 +4,9 @@ fn ::partial_cmp(_1: &MultiField, _2: &M debug self => _1; debug other => _2; let mut _0: std::option::Option; - let mut _6: std::option::Option; - let mut _7: i8; + let mut _6: i8; scope 1 { - debug cmp => _6; + debug cmp => _0; } scope 2 (inlined std::cmp::impls::::partial_cmp) { let mut _3: char; @@ -15,9 +14,9 @@ fn ::partial_cmp(_1: &MultiField, _2: &M let mut _5: std::cmp::Ordering; } scope 3 (inlined std::cmp::impls::::partial_cmp) { + let mut _7: i16; let mut _8: i16; - let mut _9: i16; - let mut _10: std::cmp::Ordering; + let mut _9: std::cmp::Ordering; } bb0: { @@ -28,27 +27,26 @@ fn ::partial_cmp(_1: &MultiField, _2: &M _5 = Cmp(move _3, move _4); StorageDead(_4); StorageDead(_3); - _6 = Option::::Some(_5); - _7 = discriminant(_5); - switchInt(move _7) -> [0: bb1, otherwise: bb2]; + _0 = Option::::Some(_5); + _6 = discriminant(_5); + switchInt(move _6) -> [0: bb1, otherwise: bb2]; } bb1: { - StorageLive(_10); - StorageLive(_8); - _8 = ((*_1).1: i16); StorageLive(_9); - _9 = ((*_2).1: i16); - _10 = Cmp(move _8, move _9); - StorageDead(_9); + StorageLive(_7); + _7 = ((*_1).1: i16); + StorageLive(_8); + _8 = ((*_2).1: i16); + _9 = Cmp(move _7, move _8); StorageDead(_8); - _0 = Option::::Some(move _10); - StorageDead(_10); + StorageDead(_7); + _0 = Option::::Some(move _9); + StorageDead(_9); goto -> bb3; } bb2: { - _0 = _6; goto -> bb3; } diff --git a/tests/mir-opt/pre-codegen/range_iter.forward_loop.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/range_iter.forward_loop.PreCodegen.after.panic-abort.mir index 96b4962854de..163279c1c334 100644 --- a/tests/mir-opt/pre-codegen/range_iter.forward_loop.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/range_iter.forward_loop.PreCodegen.after.panic-abort.mir @@ -5,27 +5,25 @@ fn forward_loop(_1: u32, _2: u32, _3: impl Fn(u32)) -> () { debug end => _2; debug f => _3; let mut _0: (); - let mut _4: u32; - let mut _9: std::option::Option; - let mut _11: &impl Fn(u32); - let mut _12: (u32,); - let _13: (); + let mut _7: std::option::Option; + let mut _9: &impl Fn(u32); + let mut _10: (u32,); + let _11: (); scope 1 { - debug ((iter: std::ops::Range).0: u32) => _4; + debug ((iter: std::ops::Range).0: u32) => _1; debug ((iter: std::ops::Range).1: u32) => _2; - let _10: u32; + let _8: u32; scope 2 { - debug x => _10; + debug x => _8; } scope 4 (inlined iter::range::>::next) { scope 5 (inlined as iter::range::RangeIteratorImpl>::spec_next) { - let mut _6: bool; - let _7: u32; - let mut _8: u32; + let mut _5: bool; + let _6: u32; scope 6 { } scope 7 (inlined std::cmp::impls::::lt) { - let mut _5: u32; + let mut _4: u32; } } } @@ -34,27 +32,24 @@ fn forward_loop(_1: u32, _2: u32, _3: impl Fn(u32)) -> () { } bb0: { - StorageLive(_4); - _4 = _1; goto -> bb1; } bb1: { - StorageLive(_9); StorageLive(_7); StorageLive(_6); StorageLive(_5); - _5 = _4; - _6 = Lt(move _5, _2); - StorageDead(_5); - switchInt(move _6) -> [0: bb2, otherwise: bb4]; + StorageLive(_4); + _4 = _1; + _5 = Lt(move _4, _2); + StorageDead(_4); + switchInt(move _5) -> [0: bb2, otherwise: bb4]; } bb2: { + StorageDead(_5); StorageDead(_6); StorageDead(_7); - StorageDead(_9); - StorageDead(_4); drop(_3) -> [return: bb3, unwind unreachable]; } @@ -63,29 +58,26 @@ fn forward_loop(_1: u32, _2: u32, _3: impl Fn(u32)) -> () { } bb4: { - _7 = _4; - StorageLive(_8); - _8 = ::forward_unchecked(_7, const 1_usize) -> [return: bb5, unwind unreachable]; + _6 = _1; + _1 = ::forward_unchecked(_6, const 1_usize) -> [return: bb5, unwind unreachable]; } bb5: { - _4 = move _8; - StorageDead(_8); - _9 = Option::::Some(_7); + _7 = Option::::Some(_6); + StorageDead(_5); StorageDead(_6); - StorageDead(_7); - _10 = ((_9 as Some).0: u32); - StorageLive(_11); - _11 = &_3; - StorageLive(_12); - _12 = (_10,); - _13 = >::call(move _11, move _12) -> [return: bb6, unwind unreachable]; + _8 = ((_7 as Some).0: u32); + StorageLive(_9); + _9 = &_3; + StorageLive(_10); + _10 = (_8,); + _11 = >::call(move _9, move _10) -> [return: bb6, unwind unreachable]; } bb6: { - StorageDead(_12); - StorageDead(_11); + StorageDead(_10); StorageDead(_9); + StorageDead(_7); goto -> bb1; } } diff --git a/tests/mir-opt/pre-codegen/range_iter.forward_loop.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/range_iter.forward_loop.PreCodegen.after.panic-unwind.mir index ce8e2bd083ed..05f72ade9249 100644 --- a/tests/mir-opt/pre-codegen/range_iter.forward_loop.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/range_iter.forward_loop.PreCodegen.after.panic-unwind.mir @@ -5,27 +5,25 @@ fn forward_loop(_1: u32, _2: u32, _3: impl Fn(u32)) -> () { debug end => _2; debug f => _3; let mut _0: (); - let mut _4: u32; - let mut _9: std::option::Option; - let mut _11: &impl Fn(u32); - let mut _12: (u32,); - let _13: (); + let mut _7: std::option::Option; + let mut _9: &impl Fn(u32); + let mut _10: (u32,); + let _11: (); scope 1 { - debug ((iter: std::ops::Range).0: u32) => _4; + debug ((iter: std::ops::Range).0: u32) => _1; debug ((iter: std::ops::Range).1: u32) => _2; - let _10: u32; + let _8: u32; scope 2 { - debug x => _10; + debug x => _8; } scope 4 (inlined iter::range::>::next) { scope 5 (inlined as iter::range::RangeIteratorImpl>::spec_next) { - let mut _6: bool; - let _7: u32; - let mut _8: u32; + let mut _5: bool; + let _6: u32; scope 6 { } scope 7 (inlined std::cmp::impls::::lt) { - let mut _5: u32; + let mut _4: u32; } } } @@ -34,27 +32,24 @@ fn forward_loop(_1: u32, _2: u32, _3: impl Fn(u32)) -> () { } bb0: { - StorageLive(_4); - _4 = _1; goto -> bb1; } bb1: { - StorageLive(_9); StorageLive(_7); StorageLive(_6); StorageLive(_5); - _5 = _4; - _6 = Lt(move _5, _2); - StorageDead(_5); - switchInt(move _6) -> [0: bb2, otherwise: bb4]; + StorageLive(_4); + _4 = _1; + _5 = Lt(move _4, _2); + StorageDead(_4); + switchInt(move _5) -> [0: bb2, otherwise: bb4]; } bb2: { + StorageDead(_5); StorageDead(_6); StorageDead(_7); - StorageDead(_9); - StorageDead(_4); drop(_3) -> [return: bb3, unwind continue]; } @@ -63,29 +58,26 @@ fn forward_loop(_1: u32, _2: u32, _3: impl Fn(u32)) -> () { } bb4: { - _7 = _4; - StorageLive(_8); - _8 = ::forward_unchecked(_7, const 1_usize) -> [return: bb5, unwind: bb7]; + _6 = _1; + _1 = ::forward_unchecked(_6, const 1_usize) -> [return: bb5, unwind: bb7]; } bb5: { - _4 = move _8; - StorageDead(_8); - _9 = Option::::Some(_7); + _7 = Option::::Some(_6); + StorageDead(_5); StorageDead(_6); - StorageDead(_7); - _10 = ((_9 as Some).0: u32); - StorageLive(_11); - _11 = &_3; - StorageLive(_12); - _12 = (_10,); - _13 = >::call(move _11, move _12) -> [return: bb6, unwind: bb7]; + _8 = ((_7 as Some).0: u32); + StorageLive(_9); + _9 = &_3; + StorageLive(_10); + _10 = (_8,); + _11 = >::call(move _9, move _10) -> [return: bb6, unwind: bb7]; } bb6: { - StorageDead(_12); - StorageDead(_11); + StorageDead(_10); StorageDead(_9); + StorageDead(_7); goto -> bb1; } diff --git a/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-abort.mir index d979c5ec1d5a..e761dc1e8b83 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-abort.mir @@ -4,22 +4,22 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { debug slice => _1; debug f => _2; let mut _0: (); - let mut _12: std::slice::Iter<'_, T>; + let mut _11: std::slice::Iter<'_, T>; + let mut _12: std::iter::Enumerate>; let mut _13: std::iter::Enumerate>; - let mut _14: std::iter::Enumerate>; - let mut _15: &mut std::iter::Enumerate>; - let mut _16: std::option::Option<(usize, &T)>; - let mut _17: isize; - let mut _20: &impl Fn(usize, &T); - let mut _21: (usize, &T); - let _22: (); + let mut _14: &mut std::iter::Enumerate>; + let mut _15: std::option::Option<(usize, &T)>; + let mut _16: isize; + let mut _19: &impl Fn(usize, &T); + let mut _20: (usize, &T); + let _21: (); scope 1 { - debug iter => _14; - let _18: usize; - let _19: &T; + debug iter => _13; + let _17: usize; + let _18: &T; scope 2 { - debug i => _18; - debug x => _19; + debug i => _17; + debug x => _18; } } scope 3 (inlined core::slice::::iter) { @@ -28,11 +28,10 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { let mut _7: bool; let mut _8: *mut T; let mut _9: *mut T; - let mut _11: *const T; + let mut _10: *const T; scope 5 { let _6: std::ptr::NonNull; scope 6 { - let _10: *const T; scope 7 { } scope 11 (inlined without_provenance::) { @@ -61,16 +60,16 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { } bb0: { - StorageLive(_12); + StorageLive(_11); StorageLive(_3); StorageLive(_6); + StorageLive(_10); StorageLive(_4); StorageLive(_5); _3 = Len((*_1)); _4 = &raw const (*_1); _5 = _4 as *const T (PtrToPtr); _6 = NonNull:: { pointer: _5 }; - StorageLive(_10); StorageLive(_7); _7 = const ::IS_ZST; switchInt(move _7) -> [0: bb1, otherwise: bb2]; @@ -94,38 +93,35 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { bb3: { StorageDead(_7); - StorageLive(_11); - _11 = _10; - _12 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _11, _marker: const ZeroSized: PhantomData<&T> }; - StorageDead(_11); - StorageDead(_10); + _11 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _10, _marker: const ZeroSized: PhantomData<&T> }; StorageDead(_5); StorageDead(_4); + StorageDead(_10); StorageDead(_6); StorageDead(_3); - _13 = Enumerate::> { iter: _12, count: const 0_usize }; - StorageDead(_12); - StorageLive(_14); - _14 = _13; + _12 = Enumerate::> { iter: _11, count: const 0_usize }; + StorageDead(_11); + StorageLive(_13); + _13 = _12; goto -> bb4; } bb4: { - StorageLive(_16); StorageLive(_15); - _15 = &mut _14; - _16 = > as Iterator>::next(move _15) -> [return: bb5, unwind unreachable]; + StorageLive(_14); + _14 = &mut _13; + _15 = > as Iterator>::next(move _14) -> [return: bb5, unwind unreachable]; } bb5: { - StorageDead(_15); - _17 = discriminant(_16); - switchInt(move _17) -> [0: bb6, 1: bb8, otherwise: bb10]; + StorageDead(_14); + _16 = discriminant(_15); + switchInt(move _16) -> [0: bb6, 1: bb8, otherwise: bb10]; } bb6: { - StorageDead(_16); - StorageDead(_14); + StorageDead(_15); + StorageDead(_13); drop(_2) -> [return: bb7, unwind unreachable]; } @@ -134,19 +130,19 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { } bb8: { - _18 = (((_16 as Some).0: (usize, &T)).0: usize); - _19 = (((_16 as Some).0: (usize, &T)).1: &T); + _17 = (((_15 as Some).0: (usize, &T)).0: usize); + _18 = (((_15 as Some).0: (usize, &T)).1: &T); + StorageLive(_19); + _19 = &_2; StorageLive(_20); - _20 = &_2; - StorageLive(_21); - _21 = (_18, _19); - _22 = >::call(move _20, move _21) -> [return: bb9, unwind unreachable]; + _20 = (_17, _18); + _21 = >::call(move _19, move _20) -> [return: bb9, unwind unreachable]; } bb9: { - StorageDead(_21); StorageDead(_20); - StorageDead(_16); + StorageDead(_19); + StorageDead(_15); goto -> bb4; } diff --git a/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir index 8491c49f7673..da293cdb5a17 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir @@ -4,22 +4,22 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { debug slice => _1; debug f => _2; let mut _0: (); - let mut _12: std::slice::Iter<'_, T>; + let mut _11: std::slice::Iter<'_, T>; + let mut _12: std::iter::Enumerate>; let mut _13: std::iter::Enumerate>; - let mut _14: std::iter::Enumerate>; - let mut _15: &mut std::iter::Enumerate>; - let mut _16: std::option::Option<(usize, &T)>; - let mut _17: isize; - let mut _20: &impl Fn(usize, &T); - let mut _21: (usize, &T); - let _22: (); + let mut _14: &mut std::iter::Enumerate>; + let mut _15: std::option::Option<(usize, &T)>; + let mut _16: isize; + let mut _19: &impl Fn(usize, &T); + let mut _20: (usize, &T); + let _21: (); scope 1 { - debug iter => _14; - let _18: usize; - let _19: &T; + debug iter => _13; + let _17: usize; + let _18: &T; scope 2 { - debug i => _18; - debug x => _19; + debug i => _17; + debug x => _18; } } scope 3 (inlined core::slice::::iter) { @@ -28,11 +28,10 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { let mut _7: bool; let mut _8: *mut T; let mut _9: *mut T; - let mut _11: *const T; + let mut _10: *const T; scope 5 { let _6: std::ptr::NonNull; scope 6 { - let _10: *const T; scope 7 { } scope 11 (inlined without_provenance::) { @@ -61,16 +60,16 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { } bb0: { - StorageLive(_12); + StorageLive(_11); StorageLive(_3); StorageLive(_6); + StorageLive(_10); StorageLive(_4); StorageLive(_5); _3 = Len((*_1)); _4 = &raw const (*_1); _5 = _4 as *const T (PtrToPtr); _6 = NonNull:: { pointer: _5 }; - StorageLive(_10); StorageLive(_7); _7 = const ::IS_ZST; switchInt(move _7) -> [0: bb1, otherwise: bb2]; @@ -94,38 +93,35 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { bb3: { StorageDead(_7); - StorageLive(_11); - _11 = _10; - _12 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _11, _marker: const ZeroSized: PhantomData<&T> }; - StorageDead(_11); - StorageDead(_10); + _11 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _10, _marker: const ZeroSized: PhantomData<&T> }; StorageDead(_5); StorageDead(_4); + StorageDead(_10); StorageDead(_6); StorageDead(_3); - _13 = Enumerate::> { iter: _12, count: const 0_usize }; - StorageDead(_12); - StorageLive(_14); - _14 = _13; + _12 = Enumerate::> { iter: _11, count: const 0_usize }; + StorageDead(_11); + StorageLive(_13); + _13 = _12; goto -> bb4; } bb4: { - StorageLive(_16); StorageLive(_15); - _15 = &mut _14; - _16 = > as Iterator>::next(move _15) -> [return: bb5, unwind: bb11]; + StorageLive(_14); + _14 = &mut _13; + _15 = > as Iterator>::next(move _14) -> [return: bb5, unwind: bb11]; } bb5: { - StorageDead(_15); - _17 = discriminant(_16); - switchInt(move _17) -> [0: bb6, 1: bb8, otherwise: bb10]; + StorageDead(_14); + _16 = discriminant(_15); + switchInt(move _16) -> [0: bb6, 1: bb8, otherwise: bb10]; } bb6: { - StorageDead(_16); - StorageDead(_14); + StorageDead(_15); + StorageDead(_13); drop(_2) -> [return: bb7, unwind continue]; } @@ -134,19 +130,19 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { } bb8: { - _18 = (((_16 as Some).0: (usize, &T)).0: usize); - _19 = (((_16 as Some).0: (usize, &T)).1: &T); + _17 = (((_15 as Some).0: (usize, &T)).0: usize); + _18 = (((_15 as Some).0: (usize, &T)).1: &T); + StorageLive(_19); + _19 = &_2; StorageLive(_20); - _20 = &_2; - StorageLive(_21); - _21 = (_18, _19); - _22 = >::call(move _20, move _21) -> [return: bb9, unwind: bb11]; + _20 = (_17, _18); + _21 = >::call(move _19, move _20) -> [return: bb9, unwind: bb11]; } bb9: { - StorageDead(_21); StorageDead(_20); - StorageDead(_16); + StorageDead(_19); + StorageDead(_15); goto -> bb4; } diff --git a/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-abort.mir index 67dd0c85ea1d..d824857ac5d9 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-abort.mir @@ -4,19 +4,19 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () { debug slice => _1; debug f => _2; let mut _0: (); + let mut _11: std::slice::Iter<'_, T>; let mut _12: std::slice::Iter<'_, T>; - let mut _13: std::slice::Iter<'_, T>; - let mut _14: &mut std::slice::Iter<'_, T>; - let mut _15: std::option::Option<&T>; - let mut _16: isize; - let mut _18: &impl Fn(&T); - let mut _19: (&T,); - let _20: (); + let mut _13: &mut std::slice::Iter<'_, T>; + let mut _14: std::option::Option<&T>; + let mut _15: isize; + let mut _17: &impl Fn(&T); + let mut _18: (&T,); + let _19: (); scope 1 { - debug iter => _13; - let _17: &T; + debug iter => _12; + let _16: &T; scope 2 { - debug x => _17; + debug x => _16; } } scope 3 (inlined core::slice::::iter) { @@ -25,11 +25,10 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () { let mut _7: bool; let mut _8: *mut T; let mut _9: *mut T; - let mut _11: *const T; + let mut _10: *const T; scope 5 { let _6: std::ptr::NonNull; scope 6 { - let _10: *const T; scope 7 { } scope 11 (inlined without_provenance::) { @@ -56,13 +55,13 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () { bb0: { StorageLive(_3); StorageLive(_6); + StorageLive(_10); StorageLive(_4); StorageLive(_5); _3 = Len((*_1)); _4 = &raw const (*_1); _5 = _4 as *const T (PtrToPtr); _6 = NonNull:: { pointer: _5 }; - StorageLive(_10); StorageLive(_7); _7 = const ::IS_ZST; switchInt(move _7) -> [0: bb1, otherwise: bb2]; @@ -86,36 +85,33 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () { bb3: { StorageDead(_7); - StorageLive(_11); - _11 = _10; - _12 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _11, _marker: const ZeroSized: PhantomData<&T> }; - StorageDead(_11); - StorageDead(_10); + _11 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _10, _marker: const ZeroSized: PhantomData<&T> }; StorageDead(_5); StorageDead(_4); + StorageDead(_10); StorageDead(_6); StorageDead(_3); - StorageLive(_13); - _13 = _12; + StorageLive(_12); + _12 = _11; goto -> bb4; } bb4: { - StorageLive(_15); StorageLive(_14); - _14 = &mut _13; - _15 = as Iterator>::next(move _14) -> [return: bb5, unwind unreachable]; + StorageLive(_13); + _13 = &mut _12; + _14 = as Iterator>::next(move _13) -> [return: bb5, unwind unreachable]; } bb5: { - StorageDead(_14); - _16 = discriminant(_15); - switchInt(move _16) -> [0: bb6, 1: bb8, otherwise: bb10]; + StorageDead(_13); + _15 = discriminant(_14); + switchInt(move _15) -> [0: bb6, 1: bb8, otherwise: bb10]; } bb6: { - StorageDead(_15); - StorageDead(_13); + StorageDead(_14); + StorageDead(_12); drop(_2) -> [return: bb7, unwind unreachable]; } @@ -124,18 +120,18 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () { } bb8: { - _17 = ((_15 as Some).0: &T); + _16 = ((_14 as Some).0: &T); + StorageLive(_17); + _17 = &_2; StorageLive(_18); - _18 = &_2; - StorageLive(_19); - _19 = (_17,); - _20 = >::call(move _18, move _19) -> [return: bb9, unwind unreachable]; + _18 = (_16,); + _19 = >::call(move _17, move _18) -> [return: bb9, unwind unreachable]; } bb9: { - StorageDead(_19); StorageDead(_18); - StorageDead(_15); + StorageDead(_17); + StorageDead(_14); goto -> bb4; } diff --git a/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-unwind.mir index 7c41e9e1f1b7..75437119aa60 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-unwind.mir @@ -4,19 +4,19 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () { debug slice => _1; debug f => _2; let mut _0: (); + let mut _11: std::slice::Iter<'_, T>; let mut _12: std::slice::Iter<'_, T>; - let mut _13: std::slice::Iter<'_, T>; - let mut _14: &mut std::slice::Iter<'_, T>; - let mut _15: std::option::Option<&T>; - let mut _16: isize; - let mut _18: &impl Fn(&T); - let mut _19: (&T,); - let _20: (); + let mut _13: &mut std::slice::Iter<'_, T>; + let mut _14: std::option::Option<&T>; + let mut _15: isize; + let mut _17: &impl Fn(&T); + let mut _18: (&T,); + let _19: (); scope 1 { - debug iter => _13; - let _17: &T; + debug iter => _12; + let _16: &T; scope 2 { - debug x => _17; + debug x => _16; } } scope 3 (inlined core::slice::::iter) { @@ -25,11 +25,10 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () { let mut _7: bool; let mut _8: *mut T; let mut _9: *mut T; - let mut _11: *const T; + let mut _10: *const T; scope 5 { let _6: std::ptr::NonNull; scope 6 { - let _10: *const T; scope 7 { } scope 11 (inlined without_provenance::) { @@ -56,13 +55,13 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () { bb0: { StorageLive(_3); StorageLive(_6); + StorageLive(_10); StorageLive(_4); StorageLive(_5); _3 = Len((*_1)); _4 = &raw const (*_1); _5 = _4 as *const T (PtrToPtr); _6 = NonNull:: { pointer: _5 }; - StorageLive(_10); StorageLive(_7); _7 = const ::IS_ZST; switchInt(move _7) -> [0: bb1, otherwise: bb2]; @@ -86,36 +85,33 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () { bb3: { StorageDead(_7); - StorageLive(_11); - _11 = _10; - _12 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _11, _marker: const ZeroSized: PhantomData<&T> }; - StorageDead(_11); - StorageDead(_10); + _11 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _10, _marker: const ZeroSized: PhantomData<&T> }; StorageDead(_5); StorageDead(_4); + StorageDead(_10); StorageDead(_6); StorageDead(_3); - StorageLive(_13); - _13 = _12; + StorageLive(_12); + _12 = _11; goto -> bb4; } bb4: { - StorageLive(_15); StorageLive(_14); - _14 = &mut _13; - _15 = as Iterator>::next(move _14) -> [return: bb5, unwind: bb11]; + StorageLive(_13); + _13 = &mut _12; + _14 = as Iterator>::next(move _13) -> [return: bb5, unwind: bb11]; } bb5: { - StorageDead(_14); - _16 = discriminant(_15); - switchInt(move _16) -> [0: bb6, 1: bb8, otherwise: bb10]; + StorageDead(_13); + _15 = discriminant(_14); + switchInt(move _15) -> [0: bb6, 1: bb8, otherwise: bb10]; } bb6: { - StorageDead(_15); - StorageDead(_13); + StorageDead(_14); + StorageDead(_12); drop(_2) -> [return: bb7, unwind continue]; } @@ -124,18 +120,18 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () { } bb8: { - _17 = ((_15 as Some).0: &T); + _16 = ((_14 as Some).0: &T); + StorageLive(_17); + _17 = &_2; StorageLive(_18); - _18 = &_2; - StorageLive(_19); - _19 = (_17,); - _20 = >::call(move _18, move _19) -> [return: bb9, unwind: bb11]; + _18 = (_16,); + _19 = >::call(move _17, move _18) -> [return: bb9, unwind: bb11]; } bb9: { - StorageDead(_19); StorageDead(_18); - StorageDead(_15); + StorageDead(_17); + StorageDead(_14); goto -> bb4; } diff --git a/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-abort.mir index dbe6f39548c8..dc370911d8a9 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-abort.mir @@ -6,28 +6,27 @@ fn range_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { let mut _0: (); let mut _3: usize; let mut _4: usize; - let mut _9: std::option::Option; - let mut _11: usize; - let mut _12: bool; - let mut _14: &impl Fn(usize, &T); - let mut _15: (usize, &T); - let _16: (); + let mut _8: std::option::Option; + let mut _10: usize; + let mut _11: bool; + let mut _13: &impl Fn(usize, &T); + let mut _14: (usize, &T); + let _15: (); scope 1 { debug ((iter: std::ops::Range).0: usize) => _4; debug ((iter: std::ops::Range).1: usize) => _3; - let _10: usize; + let _9: usize; scope 2 { - debug i => _10; - let _13: &T; + debug i => _9; + let _12: &T; scope 3 { - debug x => _13; + debug x => _12; } } scope 5 (inlined iter::range::>::next) { scope 6 (inlined as iter::range::RangeIteratorImpl>::spec_next) { let mut _6: bool; let _7: usize; - let mut _8: usize; scope 7 { } scope 8 (inlined std::cmp::impls::::lt) { @@ -41,13 +40,12 @@ fn range_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { bb0: { _3 = Len((*_1)); - StorageLive(_4); _4 = const 0_usize; goto -> bb1; } bb1: { - StorageLive(_9); + StorageLive(_8); StorageLive(_7); StorageLive(_6); StorageLive(_5); @@ -60,8 +58,7 @@ fn range_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { bb2: { StorageDead(_6); StorageDead(_7); - StorageDead(_9); - StorageDead(_4); + StorageDead(_8); drop(_2) -> [return: bb3, unwind unreachable]; } @@ -71,35 +68,32 @@ fn range_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { bb4: { _7 = _4; - StorageLive(_8); - _8 = ::forward_unchecked(_7, const 1_usize) -> [return: bb5, unwind unreachable]; + _4 = ::forward_unchecked(_7, const 1_usize) -> [return: bb5, unwind unreachable]; } bb5: { - _4 = move _8; - StorageDead(_8); - _9 = Option::::Some(_7); + _8 = Option::::Some(_7); StorageDead(_6); StorageDead(_7); - _10 = ((_9 as Some).0: usize); - _11 = Len((*_1)); - _12 = Lt(_10, _11); - assert(move _12, "index out of bounds: the length is {} but the index is {}", move _11, _10) -> [success: bb6, unwind unreachable]; + _9 = ((_8 as Some).0: usize); + _10 = Len((*_1)); + _11 = Lt(_9, _10); + assert(move _11, "index out of bounds: the length is {} but the index is {}", move _10, _9) -> [success: bb6, unwind unreachable]; } bb6: { - _13 = &(*_1)[_10]; + _12 = &(*_1)[_9]; + StorageLive(_13); + _13 = &_2; StorageLive(_14); - _14 = &_2; - StorageLive(_15); - _15 = (_10, _13); - _16 = >::call(move _14, move _15) -> [return: bb7, unwind unreachable]; + _14 = (_9, _12); + _15 = >::call(move _13, move _14) -> [return: bb7, unwind unreachable]; } bb7: { - StorageDead(_15); StorageDead(_14); - StorageDead(_9); + StorageDead(_13); + StorageDead(_8); goto -> bb1; } } diff --git a/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-unwind.mir index 5b6441cfb3b2..751e14441d43 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-unwind.mir @@ -6,28 +6,27 @@ fn range_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { let mut _0: (); let mut _3: usize; let mut _4: usize; - let mut _9: std::option::Option; - let mut _11: usize; - let mut _12: bool; - let mut _14: &impl Fn(usize, &T); - let mut _15: (usize, &T); - let _16: (); + let mut _8: std::option::Option; + let mut _10: usize; + let mut _11: bool; + let mut _13: &impl Fn(usize, &T); + let mut _14: (usize, &T); + let _15: (); scope 1 { debug ((iter: std::ops::Range).0: usize) => _4; debug ((iter: std::ops::Range).1: usize) => _3; - let _10: usize; + let _9: usize; scope 2 { - debug i => _10; - let _13: &T; + debug i => _9; + let _12: &T; scope 3 { - debug x => _13; + debug x => _12; } } scope 5 (inlined iter::range::>::next) { scope 6 (inlined as iter::range::RangeIteratorImpl>::spec_next) { let mut _6: bool; let _7: usize; - let mut _8: usize; scope 7 { } scope 8 (inlined std::cmp::impls::::lt) { @@ -41,13 +40,12 @@ fn range_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { bb0: { _3 = Len((*_1)); - StorageLive(_4); _4 = const 0_usize; goto -> bb1; } bb1: { - StorageLive(_9); + StorageLive(_8); StorageLive(_7); StorageLive(_6); StorageLive(_5); @@ -60,8 +58,7 @@ fn range_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { bb2: { StorageDead(_6); StorageDead(_7); - StorageDead(_9); - StorageDead(_4); + StorageDead(_8); drop(_2) -> [return: bb3, unwind continue]; } @@ -71,35 +68,32 @@ fn range_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { bb4: { _7 = _4; - StorageLive(_8); - _8 = ::forward_unchecked(_7, const 1_usize) -> [return: bb5, unwind: bb8]; + _4 = ::forward_unchecked(_7, const 1_usize) -> [return: bb5, unwind: bb8]; } bb5: { - _4 = move _8; - StorageDead(_8); - _9 = Option::::Some(_7); + _8 = Option::::Some(_7); StorageDead(_6); StorageDead(_7); - _10 = ((_9 as Some).0: usize); - _11 = Len((*_1)); - _12 = Lt(_10, _11); - assert(move _12, "index out of bounds: the length is {} but the index is {}", move _11, _10) -> [success: bb6, unwind: bb8]; + _9 = ((_8 as Some).0: usize); + _10 = Len((*_1)); + _11 = Lt(_9, _10); + assert(move _11, "index out of bounds: the length is {} but the index is {}", move _10, _9) -> [success: bb6, unwind: bb8]; } bb6: { - _13 = &(*_1)[_10]; + _12 = &(*_1)[_9]; + StorageLive(_13); + _13 = &_2; StorageLive(_14); - _14 = &_2; - StorageLive(_15); - _15 = (_10, _13); - _16 = >::call(move _14, move _15) -> [return: bb7, unwind: bb8]; + _14 = (_9, _12); + _15 = >::call(move _13, move _14) -> [return: bb7, unwind: bb8]; } bb7: { - StorageDead(_15); StorageDead(_14); - StorageDead(_9); + StorageDead(_13); + StorageDead(_8); goto -> bb1; } diff --git a/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-abort.mir index ffeef1e04a15..9200d311d6d7 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-abort.mir @@ -4,22 +4,22 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () { debug slice => _1; debug f => _2; let mut _0: (); - let mut _12: std::slice::Iter<'_, T>; + let mut _11: std::slice::Iter<'_, T>; + let mut _12: std::iter::Rev>; let mut _13: std::iter::Rev>; - let mut _14: std::iter::Rev>; - let mut _16: std::option::Option<&T>; - let mut _17: isize; - let mut _19: &impl Fn(&T); - let mut _20: (&T,); - let _21: (); + let mut _15: std::option::Option<&T>; + let mut _16: isize; + let mut _18: &impl Fn(&T); + let mut _19: (&T,); + let _20: (); scope 1 { - debug iter => _14; - let _18: &T; + debug iter => _13; + let _17: &T; scope 2 { - debug x => _18; + debug x => _17; } scope 17 (inlined > as Iterator>::next) { - let mut _15: &mut std::slice::Iter<'_, T>; + let mut _14: &mut std::slice::Iter<'_, T>; } } scope 3 (inlined core::slice::::iter) { @@ -28,11 +28,10 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () { let mut _7: bool; let mut _8: *mut T; let mut _9: *mut T; - let mut _11: *const T; + let mut _10: *const T; scope 5 { let _6: std::ptr::NonNull; scope 6 { - let _10: *const T; scope 7 { } scope 11 (inlined without_provenance::) { @@ -61,16 +60,16 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () { } bb0: { - StorageLive(_12); + StorageLive(_11); StorageLive(_3); StorageLive(_6); + StorageLive(_10); StorageLive(_4); StorageLive(_5); _3 = Len((*_1)); _4 = &raw const (*_1); _5 = _4 as *const T (PtrToPtr); _6 = NonNull:: { pointer: _5 }; - StorageLive(_10); StorageLive(_7); _7 = const ::IS_ZST; switchInt(move _7) -> [0: bb1, otherwise: bb2]; @@ -94,38 +93,35 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () { bb3: { StorageDead(_7); - StorageLive(_11); - _11 = _10; - _12 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _11, _marker: const ZeroSized: PhantomData<&T> }; - StorageDead(_11); - StorageDead(_10); + _11 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _10, _marker: const ZeroSized: PhantomData<&T> }; StorageDead(_5); StorageDead(_4); + StorageDead(_10); StorageDead(_6); StorageDead(_3); - _13 = Rev::> { iter: _12 }; - StorageDead(_12); - StorageLive(_14); - _14 = _13; + _12 = Rev::> { iter: _11 }; + StorageDead(_11); + StorageLive(_13); + _13 = _12; goto -> bb4; } bb4: { - StorageLive(_16); StorageLive(_15); - _15 = &mut (_14.0: std::slice::Iter<'_, T>); - _16 = as DoubleEndedIterator>::next_back(move _15) -> [return: bb5, unwind unreachable]; + StorageLive(_14); + _14 = &mut (_13.0: std::slice::Iter<'_, T>); + _15 = as DoubleEndedIterator>::next_back(move _14) -> [return: bb5, unwind unreachable]; } bb5: { - StorageDead(_15); - _17 = discriminant(_16); - switchInt(move _17) -> [0: bb6, 1: bb8, otherwise: bb10]; + StorageDead(_14); + _16 = discriminant(_15); + switchInt(move _16) -> [0: bb6, 1: bb8, otherwise: bb10]; } bb6: { - StorageDead(_16); - StorageDead(_14); + StorageDead(_15); + StorageDead(_13); drop(_2) -> [return: bb7, unwind unreachable]; } @@ -134,18 +130,18 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () { } bb8: { - _18 = ((_16 as Some).0: &T); + _17 = ((_15 as Some).0: &T); + StorageLive(_18); + _18 = &_2; StorageLive(_19); - _19 = &_2; - StorageLive(_20); - _20 = (_18,); - _21 = >::call(move _19, move _20) -> [return: bb9, unwind unreachable]; + _19 = (_17,); + _20 = >::call(move _18, move _19) -> [return: bb9, unwind unreachable]; } bb9: { - StorageDead(_20); StorageDead(_19); - StorageDead(_16); + StorageDead(_18); + StorageDead(_15); goto -> bb4; } diff --git a/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-unwind.mir index c7cd37afd866..5a2d9d2a6814 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-unwind.mir @@ -4,22 +4,22 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () { debug slice => _1; debug f => _2; let mut _0: (); - let mut _12: std::slice::Iter<'_, T>; + let mut _11: std::slice::Iter<'_, T>; + let mut _12: std::iter::Rev>; let mut _13: std::iter::Rev>; - let mut _14: std::iter::Rev>; - let mut _16: std::option::Option<&T>; - let mut _17: isize; - let mut _19: &impl Fn(&T); - let mut _20: (&T,); - let _21: (); + let mut _15: std::option::Option<&T>; + let mut _16: isize; + let mut _18: &impl Fn(&T); + let mut _19: (&T,); + let _20: (); scope 1 { - debug iter => _14; - let _18: &T; + debug iter => _13; + let _17: &T; scope 2 { - debug x => _18; + debug x => _17; } scope 17 (inlined > as Iterator>::next) { - let mut _15: &mut std::slice::Iter<'_, T>; + let mut _14: &mut std::slice::Iter<'_, T>; } } scope 3 (inlined core::slice::::iter) { @@ -28,11 +28,10 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () { let mut _7: bool; let mut _8: *mut T; let mut _9: *mut T; - let mut _11: *const T; + let mut _10: *const T; scope 5 { let _6: std::ptr::NonNull; scope 6 { - let _10: *const T; scope 7 { } scope 11 (inlined without_provenance::) { @@ -61,16 +60,16 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () { } bb0: { - StorageLive(_12); + StorageLive(_11); StorageLive(_3); StorageLive(_6); + StorageLive(_10); StorageLive(_4); StorageLive(_5); _3 = Len((*_1)); _4 = &raw const (*_1); _5 = _4 as *const T (PtrToPtr); _6 = NonNull:: { pointer: _5 }; - StorageLive(_10); StorageLive(_7); _7 = const ::IS_ZST; switchInt(move _7) -> [0: bb1, otherwise: bb2]; @@ -94,38 +93,35 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () { bb3: { StorageDead(_7); - StorageLive(_11); - _11 = _10; - _12 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _11, _marker: const ZeroSized: PhantomData<&T> }; - StorageDead(_11); - StorageDead(_10); + _11 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _10, _marker: const ZeroSized: PhantomData<&T> }; StorageDead(_5); StorageDead(_4); + StorageDead(_10); StorageDead(_6); StorageDead(_3); - _13 = Rev::> { iter: _12 }; - StorageDead(_12); - StorageLive(_14); - _14 = _13; + _12 = Rev::> { iter: _11 }; + StorageDead(_11); + StorageLive(_13); + _13 = _12; goto -> bb4; } bb4: { - StorageLive(_16); StorageLive(_15); - _15 = &mut (_14.0: std::slice::Iter<'_, T>); - _16 = as DoubleEndedIterator>::next_back(move _15) -> [return: bb5, unwind: bb11]; + StorageLive(_14); + _14 = &mut (_13.0: std::slice::Iter<'_, T>); + _15 = as DoubleEndedIterator>::next_back(move _14) -> [return: bb5, unwind: bb11]; } bb5: { - StorageDead(_15); - _17 = discriminant(_16); - switchInt(move _17) -> [0: bb6, 1: bb8, otherwise: bb10]; + StorageDead(_14); + _16 = discriminant(_15); + switchInt(move _16) -> [0: bb6, 1: bb8, otherwise: bb10]; } bb6: { - StorageDead(_16); - StorageDead(_14); + StorageDead(_15); + StorageDead(_13); drop(_2) -> [return: bb7, unwind continue]; } @@ -134,18 +130,18 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () { } bb8: { - _18 = ((_16 as Some).0: &T); + _17 = ((_15 as Some).0: &T); + StorageLive(_18); + _18 = &_2; StorageLive(_19); - _19 = &_2; - StorageLive(_20); - _20 = (_18,); - _21 = >::call(move _19, move _20) -> [return: bb9, unwind: bb11]; + _19 = (_17,); + _20 = >::call(move _18, move _19) -> [return: bb9, unwind: bb11]; } bb9: { - StorageDead(_20); StorageDead(_19); - StorageDead(_16); + StorageDead(_18); + StorageDead(_15); goto -> bb4; } From 8bd2a17dfe1b5089b942c44db6b152f5d4b30a3e Mon Sep 17 00:00:00 2001 From: Lzu Tao Date: Wed, 29 May 2024 09:19:33 +0700 Subject: [PATCH 0763/1716] ignore array from `deref_addrof` lint Note that semantics of repeat expr in array are the same --- clippy_lints/src/reference.rs | 3 +++ tests/ui/deref_addrof.fixed | 4 ++-- tests/ui/deref_addrof.rs | 2 +- tests/ui/deref_addrof.stderr | 10 ++-------- 4 files changed, 8 insertions(+), 11 deletions(-) diff --git a/clippy_lints/src/reference.rs b/clippy_lints/src/reference.rs index 16086ba6637c..8f32cf5f2a1d 100644 --- a/clippy_lints/src/reference.rs +++ b/clippy_lints/src/reference.rs @@ -48,6 +48,9 @@ impl EarlyLintPass for DerefAddrOf { fn check_expr(&mut self, cx: &EarlyContext<'_>, e: &Expr) { if let ExprKind::Unary(UnOp::Deref, ref deref_target) = e.kind && let ExprKind::AddrOf(_, ref mutability, ref addrof_target) = without_parens(deref_target).kind + // NOTE(tesuji): `*&` forces rustc to const-promote the array to `.rodata` section. + // See #12854 for details. + && !matches!(addrof_target.kind, ExprKind::Array(_)) && deref_target.span.eq_ctxt(e.span) && !addrof_target.span.from_expansion() { diff --git a/tests/ui/deref_addrof.fixed b/tests/ui/deref_addrof.fixed index db7c44c4c631..b6278c6ca8a5 100644 --- a/tests/ui/deref_addrof.fixed +++ b/tests/ui/deref_addrof.fixed @@ -44,9 +44,9 @@ fn main() { let _ = unsafe { *core::ptr::addr_of!(a) }; - // do NOT lint for array as sematic differences with/out `*&`. let _repeat = [0; 64]; - let _arr = [0, 1, 2, 3, 4]; + // do NOT lint for array as sematic differences with/out `*&`. + let _arr = *&[0, 1, 2, 3, 4]; } #[derive(Copy, Clone)] diff --git a/tests/ui/deref_addrof.rs b/tests/ui/deref_addrof.rs index 79b82a76a139..572b0fdb1027 100644 --- a/tests/ui/deref_addrof.rs +++ b/tests/ui/deref_addrof.rs @@ -44,8 +44,8 @@ fn main() { let _ = unsafe { *core::ptr::addr_of!(a) }; - // do NOT lint for array as sematic differences with/out `*&`. let _repeat = *&[0; 64]; + // do NOT lint for array as sematic differences with/out `*&`. let _arr = *&[0, 1, 2, 3, 4]; } diff --git a/tests/ui/deref_addrof.stderr b/tests/ui/deref_addrof.stderr index 856d775d932c..20069f746c81 100644 --- a/tests/ui/deref_addrof.stderr +++ b/tests/ui/deref_addrof.stderr @@ -50,17 +50,11 @@ LL | let b = **&aref; | ^^^^^^ help: try: `aref` error: immediately dereferencing a reference - --> tests/ui/deref_addrof.rs:48:19 + --> tests/ui/deref_addrof.rs:47:19 | LL | let _repeat = *&[0; 64]; | ^^^^^^^^^ help: try: `[0; 64]` -error: immediately dereferencing a reference - --> tests/ui/deref_addrof.rs:49:16 - | -LL | let _arr = *&[0, 1, 2, 3, 4]; - | ^^^^^^^^^^^^^^^^^ help: try: `[0, 1, 2, 3, 4]` - error: immediately dereferencing a reference --> tests/ui/deref_addrof.rs:57:17 | @@ -77,5 +71,5 @@ LL | inline!(*&mut $(@expr self)) | = note: this error originates in the macro `__inline_mac_impl` (in Nightly builds, run with -Z macro-backtrace for more info) -error: aborting due to 12 previous errors +error: aborting due to 11 previous errors From dabd05bbab9df465a580858c3e03dc1797b12deb Mon Sep 17 00:00:00 2001 From: r0cky Date: Thu, 30 May 2024 09:51:27 +0800 Subject: [PATCH 0764/1716] Apply x clippy --fix and x fmt --- .../src/graph/dominators/mod.rs | 2 +- .../src/graph/iterate/mod.rs | 4 ++-- .../rustc_data_structures/src/graph/scc/mod.rs | 2 +- .../rustc_data_structures/src/profiling.rs | 2 +- .../rustc_data_structures/src/sorted_map.rs | 4 ++-- .../rustc_data_structures/src/sync/lock.rs | 2 +- compiler/rustc_parse_format/src/lib.rs | 18 ++++++++---------- compiler/rustc_serialize/src/serialize.rs | 2 +- compiler/stable_mir/src/mir/pretty.rs | 4 ++-- compiler/stable_mir/src/ty.rs | 6 +++--- library/proc_macro/src/bridge/fxhash.rs | 2 +- library/proc_macro/src/bridge/rpc.rs | 6 +++--- library/test/src/cli.rs | 2 +- library/test/src/term/terminfo/parm.rs | 2 +- 14 files changed, 28 insertions(+), 30 deletions(-) diff --git a/compiler/rustc_data_structures/src/graph/dominators/mod.rs b/compiler/rustc_data_structures/src/graph/dominators/mod.rs index 30e240cf85b8..d1d2de670b82 100644 --- a/compiler/rustc_data_structures/src/graph/dominators/mod.rs +++ b/compiler/rustc_data_structures/src/graph/dominators/mod.rs @@ -93,7 +93,7 @@ fn dominators_impl(graph: &G) -> Inner { // These are all done here rather than through one of the 'standard' // graph traversals to help make this fast. 'recurse: while let Some(frame) = stack.last_mut() { - while let Some(successor) = frame.iter.next() { + for successor in frame.iter.by_ref() { if real_to_pre_order[successor].is_none() { let pre_order_idx = pre_order_to_real.push(successor); real_to_pre_order[successor] = Some(pre_order_idx); diff --git a/compiler/rustc_data_structures/src/graph/iterate/mod.rs b/compiler/rustc_data_structures/src/graph/iterate/mod.rs index 78d05a6e1951..6fca57d32f77 100644 --- a/compiler/rustc_data_structures/src/graph/iterate/mod.rs +++ b/compiler/rustc_data_structures/src/graph/iterate/mod.rs @@ -48,7 +48,7 @@ fn post_order_walk( let node = frame.node; visited[node] = true; - while let Some(successor) = frame.iter.next() { + for successor in frame.iter.by_ref() { if !visited[successor] { stack.push(PostOrderFrame { node: successor, iter: graph.successors(successor) }); continue 'recurse; @@ -112,7 +112,7 @@ where /// This is equivalent to just invoke `next` repeatedly until /// you get a `None` result. pub fn complete_search(&mut self) { - while let Some(_) = self.next() {} + for _ in self.by_ref() {} } /// Returns true if node has been visited thus far. diff --git a/compiler/rustc_data_structures/src/graph/scc/mod.rs b/compiler/rustc_data_structures/src/graph/scc/mod.rs index 914a6a16348c..7f36e4ca16df 100644 --- a/compiler/rustc_data_structures/src/graph/scc/mod.rs +++ b/compiler/rustc_data_structures/src/graph/scc/mod.rs @@ -40,7 +40,7 @@ pub struct SccData { } impl Sccs { - pub fn new(graph: &(impl DirectedGraph + Successors)) -> Self { + pub fn new(graph: &impl Successors) -> Self { SccsConstruction::construct(graph) } diff --git a/compiler/rustc_data_structures/src/profiling.rs b/compiler/rustc_data_structures/src/profiling.rs index c6d51a5d6b4f..240f2671c3b2 100644 --- a/compiler/rustc_data_structures/src/profiling.rs +++ b/compiler/rustc_data_structures/src/profiling.rs @@ -562,7 +562,7 @@ impl SelfProfiler { // ASLR is disabled and the heap is otherwise deterministic. let pid: u32 = process::id(); let filename = format!("{crate_name}-{pid:07}.rustc_profile"); - let path = output_directory.join(&filename); + let path = output_directory.join(filename); let profiler = Profiler::with_counter(&path, measureme::counters::Counter::by_name(counter_name)?)?; diff --git a/compiler/rustc_data_structures/src/sorted_map.rs b/compiler/rustc_data_structures/src/sorted_map.rs index 21d7c91ec482..885f023122ab 100644 --- a/compiler/rustc_data_structures/src/sorted_map.rs +++ b/compiler/rustc_data_structures/src/sorted_map.rs @@ -125,13 +125,13 @@ impl SortedMap { /// Iterate over the keys, sorted #[inline] - pub fn keys(&self) -> impl Iterator + ExactSizeIterator + DoubleEndedIterator { + pub fn keys(&self) -> impl ExactSizeIterator + DoubleEndedIterator { self.data.iter().map(|(k, _)| k) } /// Iterate over values, sorted by key #[inline] - pub fn values(&self) -> impl Iterator + ExactSizeIterator + DoubleEndedIterator { + pub fn values(&self) -> impl ExactSizeIterator + DoubleEndedIterator { self.data.iter().map(|(_, v)| v) } diff --git a/compiler/rustc_data_structures/src/sync/lock.rs b/compiler/rustc_data_structures/src/sync/lock.rs index 756984642c74..780be7739458 100644 --- a/compiler/rustc_data_structures/src/sync/lock.rs +++ b/compiler/rustc_data_structures/src/sync/lock.rs @@ -69,7 +69,7 @@ mod maybe_sync { match self.mode { Mode::NoSync => { let cell = unsafe { &self.lock.mode_union.no_sync }; - debug_assert_eq!(cell.get(), true); + debug_assert!(cell.get()); cell.set(false); } // SAFETY (unlock): We know that the lock is locked as this type is a proof of that. diff --git a/compiler/rustc_parse_format/src/lib.rs b/compiler/rustc_parse_format/src/lib.rs index faf6ca784670..ef71333d1c39 100644 --- a/compiler/rustc_parse_format/src/lib.rs +++ b/compiler/rustc_parse_format/src/lib.rs @@ -286,13 +286,11 @@ impl<'a> Iterator for Parser<'a> { lbrace_byte_pos.to(InnerOffset(rbrace_byte_pos.0 + width)), ); } - } else { - if let Some(&(_, maybe)) = self.cur.peek() { - match maybe { - '?' => self.suggest_format_debug(), - '<' | '^' | '>' => self.suggest_format_align(maybe), - _ => self.suggest_positional_arg_instead_of_captured_arg(arg), - } + } else if let Some(&(_, maybe)) = self.cur.peek() { + match maybe { + '?' => self.suggest_format_debug(), + '<' | '^' | '>' => self.suggest_format_align(maybe), + _ => self.suggest_positional_arg_instead_of_captured_arg(arg), } } Some(NextArgument(Box::new(arg))) @@ -1028,7 +1026,7 @@ fn find_width_map_from_snippet( if next_c == '{' { // consume up to 6 hexanumeric chars let digits_len = - s.clone().take(6).take_while(|(_, c)| c.is_digit(16)).count(); + s.clone().take(6).take_while(|(_, c)| c.is_ascii_hexdigit()).count(); let len_utf8 = s .as_str() @@ -1047,14 +1045,14 @@ fn find_width_map_from_snippet( width += required_skips + 2; s.nth(digits_len); - } else if next_c.is_digit(16) { + } else if next_c.is_ascii_hexdigit() { width += 1; // We suggest adding `{` and `}` when appropriate, accept it here as if // it were correct let mut i = 0; // consume up to 6 hexanumeric chars while let (Some((_, c)), _) = (s.next(), i < 6) { - if c.is_digit(16) { + if c.is_ascii_hexdigit() { width += 1; } else { break; diff --git a/compiler/rustc_serialize/src/serialize.rs b/compiler/rustc_serialize/src/serialize.rs index 412f7eced433..c84bb26735c5 100644 --- a/compiler/rustc_serialize/src/serialize.rs +++ b/compiler/rustc_serialize/src/serialize.rs @@ -252,7 +252,7 @@ impl Encodable for () { } impl Decodable for () { - fn decode(_: &mut D) -> () {} + fn decode(_: &mut D) {} } impl Encodable for PhantomData { diff --git a/compiler/stable_mir/src/mir/pretty.rs b/compiler/stable_mir/src/mir/pretty.rs index bbca3965852a..580dc1a2b88f 100644 --- a/compiler/stable_mir/src/mir/pretty.rs +++ b/compiler/stable_mir/src/mir/pretty.rs @@ -156,7 +156,7 @@ fn pretty_terminator(writer: &mut W, terminator: &TerminatorKind) -> i fn pretty_terminator_head(writer: &mut W, terminator: &TerminatorKind) -> io::Result<()> { use self::TerminatorKind::*; - const INDENT: &'static str = " "; + const INDENT: &str = " "; match terminator { Goto { .. } => write!(writer, "{INDENT}goto"), SwitchInt { discr, .. } => { @@ -315,7 +315,7 @@ fn pretty_operand(operand: &Operand) -> String { } fn pretty_const(literal: &Const) -> String { - with(|cx| cx.const_pretty(&literal)) + with(|cx| cx.const_pretty(literal)) } fn pretty_rvalue(writer: &mut W, rval: &Rvalue) -> io::Result<()> { diff --git a/compiler/stable_mir/src/ty.rs b/compiler/stable_mir/src/ty.rs index d62054eff609..50bf0a5d74ef 100644 --- a/compiler/stable_mir/src/ty.rs +++ b/compiler/stable_mir/src/ty.rs @@ -526,7 +526,7 @@ pub enum IntTy { impl IntTy { pub fn num_bytes(self) -> usize { match self { - IntTy::Isize => crate::target::MachineInfo::target_pointer_width().bytes().into(), + IntTy::Isize => crate::target::MachineInfo::target_pointer_width().bytes(), IntTy::I8 => 1, IntTy::I16 => 2, IntTy::I32 => 4, @@ -549,7 +549,7 @@ pub enum UintTy { impl UintTy { pub fn num_bytes(self) -> usize { match self { - UintTy::Usize => crate::target::MachineInfo::target_pointer_width().bytes().into(), + UintTy::Usize => crate::target::MachineInfo::target_pointer_width().bytes(), UintTy::U8 => 1, UintTy::U16 => 2, UintTy::U32 => 4, @@ -1185,7 +1185,7 @@ impl Allocation { match self.read_int()? { 0 => Ok(false), 1 => Ok(true), - val @ _ => Err(error!("Unexpected value for bool: `{val}`")), + val => Err(error!("Unexpected value for bool: `{val}`")), } } diff --git a/library/proc_macro/src/bridge/fxhash.rs b/library/proc_macro/src/bridge/fxhash.rs index f4e905441972..f9f74c63fc4f 100644 --- a/library/proc_macro/src/bridge/fxhash.rs +++ b/library/proc_macro/src/bridge/fxhash.rs @@ -69,7 +69,7 @@ impl Hasher for FxHasher { hash.add_to_hash(u16::from_ne_bytes(bytes[..2].try_into().unwrap()) as usize); bytes = &bytes[2..]; } - if (size_of::() > 1) && bytes.len() >= 1 { + if (size_of::() > 1) && !bytes.is_empty() { hash.add_to_hash(bytes[0] as usize); } self.hash = hash.hash; diff --git a/library/proc_macro/src/bridge/rpc.rs b/library/proc_macro/src/bridge/rpc.rs index 6d75a5a627c8..202a8e04543b 100644 --- a/library/proc_macro/src/bridge/rpc.rs +++ b/library/proc_macro/src/bridge/rpc.rs @@ -264,9 +264,9 @@ impl From> for PanicMessage { } } -impl Into> for PanicMessage { - fn into(self) -> Box { - match self { +impl From for Box { + fn from(val: PanicMessage) -> Self { + match val { PanicMessage::StaticStr(s) => Box::new(s), PanicMessage::String(s) => Box::new(s), PanicMessage::Unknown => { diff --git a/library/test/src/cli.rs b/library/test/src/cli.rs index 6ac3b3eaa797..b7d24405b775 100644 --- a/library/test/src/cli.rs +++ b/library/test/src/cli.rs @@ -200,7 +200,7 @@ Test Attributes: pub fn parse_opts(args: &[String]) -> Option { // Parse matches. let opts = optgroups(); - let binary = args.get(0).map(|c| &**c).unwrap_or("..."); + let binary = args.first().map(|c| &**c).unwrap_or("..."); let args = args.get(1..).unwrap_or(args); let matches = match opts.parse(args) { Ok(m) => m, diff --git a/library/test/src/term/terminfo/parm.rs b/library/test/src/term/terminfo/parm.rs index 2815f6cfc77f..c5b4ef01893c 100644 --- a/library/test/src/term/terminfo/parm.rs +++ b/library/test/src/term/terminfo/parm.rs @@ -524,7 +524,7 @@ fn format(val: Param, op: FormatOp, flags: Flags) -> Result, String> { } else { let mut s_ = Vec::with_capacity(flags.width); s_.extend(repeat(b' ').take(n)); - s_.extend(s.into_iter()); + s_.extend(s); s = s_; } } From 31043656fe03325745777e27e1716f7af202bc7c Mon Sep 17 00:00:00 2001 From: Zalathar Date: Wed, 29 May 2024 20:53:48 +1000 Subject: [PATCH 0765/1716] compiletest: Unify `cmd2procres` with `run_command_to_procres` --- src/tools/compiletest/src/runtest.rs | 48 +++++++++++----------------- 1 file changed, 19 insertions(+), 29 deletions(-) diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs index 910a829fbea1..4ea12a0f9e48 100644 --- a/src/tools/compiletest/src/runtest.rs +++ b/src/tools/compiletest/src/runtest.rs @@ -506,8 +506,20 @@ impl<'test> TestCx<'test> { } } + /// Runs a [`Command`] and waits for it to finish, then converts its exit + /// status and output streams into a [`ProcRes`]. + /// + /// The command might have succeeded or failed; it is the caller's + /// responsibility to check the exit status and take appropriate action. + /// + /// # Panics + /// Panics if the command couldn't be executed at all + /// (e.g. because the executable could not be found). + #[must_use = "caller should check whether the command succeeded"] fn run_command_to_procres(&self, cmd: &mut Command) -> ProcRes { - let output = cmd.output().unwrap_or_else(|e| panic!("failed to exec `{cmd:?}`: {e:?}")); + let output = cmd + .output() + .unwrap_or_else(|e| self.fatal(&format!("failed to exec `{cmd:?}` because: {e}"))); let proc_res = ProcRes { status: output.status, @@ -1232,7 +1244,7 @@ impl<'test> TestCx<'test> { } else { self.config.lldb_python_dir.as_ref().unwrap().to_string() }; - self.cmd2procres( + self.run_command_to_procres( Command::new(&self.config.python) .arg(&lldb_script_path) .arg(test_executable) @@ -1242,28 +1254,6 @@ impl<'test> TestCx<'test> { ) } - fn cmd2procres(&self, cmd: &mut Command) -> ProcRes { - let (status, out, err) = match cmd.output() { - Ok(Output { status, stdout, stderr }) => { - (status, String::from_utf8(stdout).unwrap(), String::from_utf8(stderr).unwrap()) - } - Err(e) => self.fatal(&format!( - "Failed to setup Python process for \ - LLDB script: {}", - e - )), - }; - - self.dump_output(&out, &err); - ProcRes { - status, - stdout: out, - stderr: err, - truncated: Truncated::No, - cmdline: format!("{:?}", cmd), - } - } - fn cleanup_debug_info_options(&self, options: &Vec) -> Vec { // Remove options that are either unwanted (-O) or may lead to duplicates due to RUSTFLAGS. let options_to_remove = ["-O".to_owned(), "-g".to_owned(), "--debuginfo".to_owned()]; @@ -2683,7 +2673,7 @@ impl<'test> TestCx<'test> { if self.config.bless { cmd.arg("--bless"); } - let res = self.cmd2procres(&mut cmd); + let res = self.run_command_to_procres(&mut cmd); if !res.status.success() { self.fatal_proc_rec_with_ctx("htmldocck failed!", &res, |mut this| { this.compare_to_default_rustdoc(&out_dir) @@ -2860,7 +2850,7 @@ impl<'test> TestCx<'test> { let root = self.config.find_rust_src_root().unwrap(); let mut json_out = out_dir.join(self.testpaths.file.file_stem().unwrap()); json_out.set_extension("json"); - let res = self.cmd2procres( + let res = self.run_command_to_procres( Command::new(self.config.jsondocck_path.as_ref().unwrap()) .arg("--doc-dir") .arg(root.join(&out_dir)) @@ -2878,7 +2868,7 @@ impl<'test> TestCx<'test> { let mut json_out = out_dir.join(self.testpaths.file.file_stem().unwrap()); json_out.set_extension("json"); - let res = self.cmd2procres( + let res = self.run_command_to_procres( Command::new(self.config.jsondoclint_path.as_ref().unwrap()).arg(&json_out), ); @@ -3526,7 +3516,7 @@ impl<'test> TestCx<'test> { cmd.arg("--sysroot").arg(&stage0_sysroot); } - let res = self.cmd2procres(&mut cmd); + let res = self.run_command_to_procres(&mut cmd); if !res.status.success() { self.fatal_proc_rec("run-make test failed: could not build `rmake.rs` recipe", &res); } @@ -3687,7 +3677,7 @@ impl<'test> TestCx<'test> { let root = self.config.find_rust_src_root().unwrap(); let file_stem = self.testpaths.file.file_stem().and_then(|f| f.to_str()).expect("no file stem"); - let res = self.cmd2procres( + let res = self.run_command_to_procres( Command::new(&nodejs) .arg(root.join("src/tools/rustdoc-js/tester.js")) .arg("--doc-folder") From c671eaaaffcd4204573d96cb6085863bb83dcfbe Mon Sep 17 00:00:00 2001 From: Zalathar Date: Thu, 30 May 2024 13:16:07 +1000 Subject: [PATCH 0766/1716] coverage: Rename MC/DC `conditions_num` to `num_conditions` This value represents a quantity of conditions, not an ID, so the new spelling is more appropriate. --- .../src/coverageinfo/ffi.rs | 7 ++--- compiler/rustc_middle/src/mir/coverage.rs | 4 +-- compiler/rustc_middle/src/mir/pretty.rs | 4 +-- compiler/rustc_mir_build/messages.ftl | 2 +- .../src/build/coverageinfo/mcdc.rs | 26 +++++++++---------- compiler/rustc_mir_build/src/errors.rs | 8 +++--- .../src/coverage/mappings.rs | 6 ++--- .../rustc_mir_transform/src/coverage/mod.rs | 6 ++--- .../mcdc-condition-limit.bad.stderr | 2 +- .../mcdc-condition-limit.rs | 2 +- 10 files changed, 34 insertions(+), 33 deletions(-) diff --git a/compiler/rustc_codegen_llvm/src/coverageinfo/ffi.rs b/compiler/rustc_codegen_llvm/src/coverageinfo/ffi.rs index 12a846a49ec1..584d033d6bdd 100644 --- a/compiler/rustc_codegen_llvm/src/coverageinfo/ffi.rs +++ b/compiler/rustc_codegen_llvm/src/coverageinfo/ffi.rs @@ -118,7 +118,7 @@ pub mod mcdc { #[derive(Clone, Copy, Debug, Default)] pub struct DecisionParameters { bitmap_idx: u32, - conditions_num: u16, + num_conditions: u16, } // ConditionId in llvm is `unsigned int` at 18 while `int16_t` at [19](https://github.com/llvm/llvm-project/pull/81257) @@ -177,8 +177,9 @@ pub mod mcdc { } impl From for DecisionParameters { - fn from(value: DecisionInfo) -> Self { - Self { bitmap_idx: value.bitmap_idx, conditions_num: value.conditions_num } + fn from(info: DecisionInfo) -> Self { + let DecisionInfo { bitmap_idx, num_conditions } = info; + Self { bitmap_idx, num_conditions } } } } diff --git a/compiler/rustc_middle/src/mir/coverage.rs b/compiler/rustc_middle/src/mir/coverage.rs index 4155c61e96d0..da25fbb0a82b 100644 --- a/compiler/rustc_middle/src/mir/coverage.rs +++ b/compiler/rustc_middle/src/mir/coverage.rs @@ -329,14 +329,14 @@ pub struct MCDCBranchSpan { #[derive(TyEncodable, TyDecodable, Hash, HashStable, TypeFoldable, TypeVisitable)] pub struct DecisionInfo { pub bitmap_idx: u32, - pub conditions_num: u16, + pub num_conditions: u16, } #[derive(Clone, Debug)] #[derive(TyEncodable, TyDecodable, Hash, HashStable, TypeFoldable, TypeVisitable)] pub struct MCDCDecisionSpan { pub span: Span, - pub conditions_num: usize, + pub num_conditions: usize, pub end_markers: Vec, pub decision_depth: u16, } diff --git a/compiler/rustc_middle/src/mir/pretty.rs b/compiler/rustc_middle/src/mir/pretty.rs index 7bfb4ac867aa..f1c79c0b0391 100644 --- a/compiler/rustc_middle/src/mir/pretty.rs +++ b/compiler/rustc_middle/src/mir/pretty.rs @@ -512,12 +512,12 @@ fn write_coverage_branch_info( )?; } - for coverage::MCDCDecisionSpan { span, conditions_num, end_markers, decision_depth } in + for coverage::MCDCDecisionSpan { span, num_conditions, end_markers, decision_depth } in mcdc_decision_spans { writeln!( w, - "{INDENT}coverage mcdc decision {{ conditions_num: {conditions_num:?}, end: {end_markers:?}, depth: {decision_depth:?} }} => {span:?}" + "{INDENT}coverage mcdc decision {{ num_conditions: {num_conditions:?}, end: {end_markers:?}, depth: {decision_depth:?} }} => {span:?}" )?; } diff --git a/compiler/rustc_mir_build/messages.ftl b/compiler/rustc_mir_build/messages.ftl index 4ba61226a3fd..e3362429a6d9 100644 --- a/compiler/rustc_mir_build/messages.ftl +++ b/compiler/rustc_mir_build/messages.ftl @@ -97,7 +97,7 @@ mir_build_deref_raw_pointer_requires_unsafe_unsafe_op_in_unsafe_fn_allowed = .note = raw pointers may be null, dangling or unaligned; they can violate aliasing rules and cause data races: all of these are undefined behavior .label = dereference of raw pointer -mir_build_exceeds_mcdc_condition_num_limit = Conditions number of the decision ({$conditions_num}) exceeds limit ({$max_conditions_num}). MCDC analysis will not count this expression. +mir_build_exceeds_mcdc_condition_limit = Number of conditions in decision ({$num_conditions}) exceeds limit ({$max_conditions}). MC/DC analysis will not count this expression. mir_build_extern_static_requires_unsafe = use of extern static is unsafe and requires unsafe block diff --git a/compiler/rustc_mir_build/src/build/coverageinfo/mcdc.rs b/compiler/rustc_mir_build/src/build/coverageinfo/mcdc.rs index 728b63d5b21b..7d7b7caf9ef9 100644 --- a/compiler/rustc_mir_build/src/build/coverageinfo/mcdc.rs +++ b/compiler/rustc_mir_build/src/build/coverageinfo/mcdc.rs @@ -10,12 +10,12 @@ use rustc_middle::ty::TyCtxt; use rustc_span::Span; use crate::build::Builder; -use crate::errors::MCDCExceedsConditionNumLimit; +use crate::errors::MCDCExceedsConditionLimit; /// The MCDC bitmap scales exponentially (2^n) based on the number of conditions seen, /// So llvm sets a maximum value prevents the bitmap footprint from growing too large without the user's knowledge. /// This limit may be relaxed if the [upstream change](https://github.com/llvm/llvm-project/pull/82448) is merged. -const MAX_CONDITIONS_NUM_IN_DECISION: usize = 6; +const MAX_CONDITIONS_IN_DECISION: usize = 6; #[derive(Default)] struct MCDCDecisionCtx { @@ -100,7 +100,7 @@ impl MCDCState { } None => decision_ctx.processing_decision.insert(MCDCDecisionSpan { span, - conditions_num: 0, + num_conditions: 0, end_markers: vec![], decision_depth, }), @@ -108,14 +108,14 @@ impl MCDCState { let parent_condition = decision_ctx.decision_stack.pop_back().unwrap_or_default(); let lhs_id = if parent_condition.condition_id == ConditionId::NONE { - decision.conditions_num += 1; - ConditionId::from(decision.conditions_num) + decision.num_conditions += 1; + ConditionId::from(decision.num_conditions) } else { parent_condition.condition_id }; - decision.conditions_num += 1; - let rhs_condition_id = ConditionId::from(decision.conditions_num); + decision.num_conditions += 1; + let rhs_condition_id = ConditionId::from(decision.num_conditions); let (lhs, rhs) = match op { LogicalOp::And => { @@ -208,17 +208,17 @@ impl MCDCInfoBuilder { // is empty, i.e. when all the conditions of the decision were instrumented, // and the decision is "complete". if let Some(decision) = decision_result { - match decision.conditions_num { + match decision.num_conditions { 0 => { unreachable!("Decision with no condition is not expected"); } - 1..=MAX_CONDITIONS_NUM_IN_DECISION => { + 1..=MAX_CONDITIONS_IN_DECISION => { self.decision_spans.push(decision); } _ => { // Do not generate mcdc mappings and statements for decisions with too many conditions. // Therefore, first erase the condition info of the (N-1) previous branch spans. - let rebase_idx = self.branch_spans.len() - (decision.conditions_num - 1); + let rebase_idx = self.branch_spans.len() - (decision.num_conditions - 1); for branch in &mut self.branch_spans[rebase_idx..] { branch.condition_info = None; } @@ -226,10 +226,10 @@ impl MCDCInfoBuilder { // Then, erase this last branch span's info too, for a total of N. condition_info = None; - tcx.dcx().emit_warn(MCDCExceedsConditionNumLimit { + tcx.dcx().emit_warn(MCDCExceedsConditionLimit { span: decision.span, - conditions_num: decision.conditions_num, - max_conditions_num: MAX_CONDITIONS_NUM_IN_DECISION, + num_conditions: decision.num_conditions, + max_conditions: MAX_CONDITIONS_IN_DECISION, }); } } diff --git a/compiler/rustc_mir_build/src/errors.rs b/compiler/rustc_mir_build/src/errors.rs index ae6e126a4e2c..19616cc0a1e1 100644 --- a/compiler/rustc_mir_build/src/errors.rs +++ b/compiler/rustc_mir_build/src/errors.rs @@ -812,12 +812,12 @@ pub struct NonEmptyNeverPattern<'tcx> { } #[derive(Diagnostic)] -#[diag(mir_build_exceeds_mcdc_condition_num_limit)] -pub(crate) struct MCDCExceedsConditionNumLimit { +#[diag(mir_build_exceeds_mcdc_condition_limit)] +pub(crate) struct MCDCExceedsConditionLimit { #[primary_span] pub span: Span, - pub conditions_num: usize, - pub max_conditions_num: usize, + pub num_conditions: usize, + pub max_conditions: usize, } #[derive(Diagnostic)] diff --git a/compiler/rustc_mir_transform/src/coverage/mappings.rs b/compiler/rustc_mir_transform/src/coverage/mappings.rs index 61aabea1d8b3..0e209757100c 100644 --- a/compiler/rustc_mir_transform/src/coverage/mappings.rs +++ b/compiler/rustc_mir_transform/src/coverage/mappings.rs @@ -48,7 +48,7 @@ pub(super) struct MCDCDecision { pub(super) span: Span, pub(super) end_bcbs: BTreeSet, pub(super) bitmap_idx: u32, - pub(super) conditions_num: u16, + pub(super) num_conditions: u16, pub(super) decision_depth: u16, } @@ -268,13 +268,13 @@ pub(super) fn extract_mcdc_mappings( // the bitmap, rounded up to a whole number of bytes. // The decision's "bitmap index" points to its first byte in the bitmap. let bitmap_idx = *mcdc_bitmap_bytes; - *mcdc_bitmap_bytes += (1_u32 << decision.conditions_num).div_ceil(8); + *mcdc_bitmap_bytes += (1_u32 << decision.num_conditions).div_ceil(8); Some(MCDCDecision { span, end_bcbs, bitmap_idx, - conditions_num: decision.conditions_num as u16, + num_conditions: decision.num_conditions as u16, decision_depth: decision.decision_depth, }) }, diff --git a/compiler/rustc_mir_transform/src/coverage/mod.rs b/compiler/rustc_mir_transform/src/coverage/mod.rs index 28e0c633d5aa..419e39bc3867 100644 --- a/compiler/rustc_mir_transform/src/coverage/mod.rs +++ b/compiler/rustc_mir_transform/src/coverage/mod.rs @@ -195,9 +195,9 @@ fn create_mappings<'tcx>( )); mappings.extend(mcdc_decisions.iter().filter_map( - |&mappings::MCDCDecision { span, bitmap_idx, conditions_num, .. }| { + |&mappings::MCDCDecision { span, bitmap_idx, num_conditions, .. }| { let code_region = region_for_span(span)?; - let kind = MappingKind::MCDCDecision(DecisionInfo { bitmap_idx, conditions_num }); + let kind = MappingKind::MCDCDecision(DecisionInfo { bitmap_idx, num_conditions }); Some(Mapping { kind, code_region }) }, )); @@ -269,7 +269,7 @@ fn inject_mcdc_statements<'tcx>( span: _, ref end_bcbs, bitmap_idx, - conditions_num: _, + num_conditions: _, decision_depth, } in &extracted_mappings.mcdc_decisions { diff --git a/tests/ui/instrument-coverage/mcdc-condition-limit.bad.stderr b/tests/ui/instrument-coverage/mcdc-condition-limit.bad.stderr index 4d8d7e1560d0..5df6aaf98041 100644 --- a/tests/ui/instrument-coverage/mcdc-condition-limit.bad.stderr +++ b/tests/ui/instrument-coverage/mcdc-condition-limit.bad.stderr @@ -1,4 +1,4 @@ -warning: Conditions number of the decision (7) exceeds limit (6). MCDC analysis will not count this expression. +warning: Number of conditions in decision (7) exceeds limit (6). MC/DC analysis will not count this expression. --> $DIR/mcdc-condition-limit.rs:29:8 | LL | if a && b && c && d && e && f && g { diff --git a/tests/ui/instrument-coverage/mcdc-condition-limit.rs b/tests/ui/instrument-coverage/mcdc-condition-limit.rs index 64c5f8e9b779..de3770b5709d 100644 --- a/tests/ui/instrument-coverage/mcdc-condition-limit.rs +++ b/tests/ui/instrument-coverage/mcdc-condition-limit.rs @@ -26,7 +26,7 @@ fn main() { fn main() { // 7 conditions is too many, so issue a diagnostic. let [a, b, c, d, e, f, g] = <[bool; 7]>::default(); - if a && b && c && d && e && f && g { //[bad]~ WARNING Conditions number of the decision + if a && b && c && d && e && f && g { //[bad]~ WARNING Number of conditions in decision core::hint::black_box("hello"); } } From 5bf78323750fed4bd9803f94377c51efd48c2b2f Mon Sep 17 00:00:00 2001 From: The Miri Cronjob Bot Date: Thu, 30 May 2024 04:56:50 +0000 Subject: [PATCH 0767/1716] Preparing for merge from rustc --- src/tools/miri/rust-version | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/miri/rust-version b/src/tools/miri/rust-version index cf698c31801f..cbaa740e52f5 100644 --- a/src/tools/miri/rust-version +++ b/src/tools/miri/rust-version @@ -1 +1 @@ -d86e1229411c086e1267c80dd9872959ca13b8b9 +caa187f3bc9604c78dfbc3ffabbe1372cb528639 From a200d38ce9786cc12da7cf2087b20ee0e475807e Mon Sep 17 00:00:00 2001 From: The Miri Cronjob Bot Date: Thu, 30 May 2024 05:05:24 +0000 Subject: [PATCH 0768/1716] fmt --- src/tools/miri/src/concurrency/thread.rs | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/tools/miri/src/concurrency/thread.rs b/src/tools/miri/src/concurrency/thread.rs index 07d41772ba4d..e76c16fb8306 100644 --- a/src/tools/miri/src/concurrency/thread.rs +++ b/src/tools/miri/src/concurrency/thread.rs @@ -863,7 +863,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } let alloc = this.ctfe_query(|tcx| tcx.eval_static_initializer(def_id))?; // We make a full copy of this allocation. - let mut alloc = alloc.inner().adjust_from_tcx(&this.tcx, |ptr| this.global_root_pointer(ptr))?; + let mut alloc = + alloc.inner().adjust_from_tcx(&this.tcx, |ptr| this.global_root_pointer(ptr))?; // This allocation will be deallocated when the thread dies, so it is not in read-only memory. alloc.mutability = Mutability::Mut; // Create a fresh allocation with this content. From fa563c138433583ebbd64c963666f6c9ddb53739 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Dorian=20P=C3=A9ron?= Date: Fri, 26 Apr 2024 13:01:06 +0000 Subject: [PATCH 0769/1716] coverage: Add CLI support for `-Zcoverage-options=condition` --- compiler/rustc_session/src/config.rs | 18 +++++++++++++++++- compiler/rustc_session/src/options.rs | 3 ++- compiler/rustc_session/src/session.rs | 5 +++++ .../src/compiler-flags/coverage-options.md | 7 +++++-- .../coverage-options.bad.stderr | 2 +- .../ui/instrument-coverage/coverage-options.rs | 5 ++++- 6 files changed, 34 insertions(+), 6 deletions(-) diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs index 0287085ad60e..a622f1b577df 100644 --- a/compiler/rustc_session/src/config.rs +++ b/compiler/rustc_session/src/config.rs @@ -159,7 +159,23 @@ pub enum CoverageLevel { Block, /// Also instrument branch points (includes block coverage). Branch, - /// Instrument for MC/DC. Mostly a superset of branch coverage, but might + /// Same as branch coverage, but also adds branch instrumentation for + /// certain boolean expressions that are not directly used for branching. + /// + /// For example, in the following code, `b` does not directly participate + /// in a branch, but condition coverage will instrument it as its own + /// artificial branch: + /// ``` + /// # let (a, b) = (false, true); + /// let x = a && b; + /// // ^ last operand + /// ``` + /// + /// This level is mainly intended to be a stepping-stone towards full MC/DC + /// instrumentation, so it might be removed in the future when MC/DC is + /// sufficiently complete, or if it is making MC/DC changes difficult. + Condition, + /// Instrument for MC/DC. Mostly a superset of condition coverage, but might /// differ in some corner cases. Mcdc, } diff --git a/compiler/rustc_session/src/options.rs b/compiler/rustc_session/src/options.rs index cca9f1eb9978..fd4a3a9e6ceb 100644 --- a/compiler/rustc_session/src/options.rs +++ b/compiler/rustc_session/src/options.rs @@ -395,7 +395,7 @@ mod desc { pub const parse_optimization_fuel: &str = "crate=integer"; pub const parse_dump_mono_stats: &str = "`markdown` (default) or `json`"; pub const parse_instrument_coverage: &str = parse_bool; - pub const parse_coverage_options: &str = "`block` | `branch` | `mcdc`"; + pub const parse_coverage_options: &str = "`block` | `branch` | `condition` | `mcdc`"; pub const parse_instrument_xray: &str = "either a boolean (`yes`, `no`, `on`, `off`, etc), or a comma separated list of settings: `always` or `never` (mutually exclusive), `ignore-loops`, `instruction-threshold=N`, `skip-entry`, `skip-exit`"; pub const parse_unpretty: &str = "`string` or `string=string`"; pub const parse_treat_err_as_bug: &str = "either no value or a non-negative number"; @@ -961,6 +961,7 @@ mod parse { match option { "block" => slot.level = CoverageLevel::Block, "branch" => slot.level = CoverageLevel::Branch, + "condition" => slot.level = CoverageLevel::Condition, "mcdc" => slot.level = CoverageLevel::Mcdc, _ => return false, } diff --git a/compiler/rustc_session/src/session.rs b/compiler/rustc_session/src/session.rs index a5cf136db6a6..87bbfcf07c84 100644 --- a/compiler/rustc_session/src/session.rs +++ b/compiler/rustc_session/src/session.rs @@ -353,6 +353,11 @@ impl Session { && self.opts.unstable_opts.coverage_options.level >= CoverageLevel::Branch } + pub fn instrument_coverage_condition(&self) -> bool { + self.instrument_coverage() + && self.opts.unstable_opts.coverage_options.level >= CoverageLevel::Condition + } + pub fn instrument_coverage_mcdc(&self) -> bool { self.instrument_coverage() && self.opts.unstable_opts.coverage_options.level >= CoverageLevel::Mcdc diff --git a/src/doc/unstable-book/src/compiler-flags/coverage-options.md b/src/doc/unstable-book/src/compiler-flags/coverage-options.md index 212788335502..87a9a00b3c0f 100644 --- a/src/doc/unstable-book/src/compiler-flags/coverage-options.md +++ b/src/doc/unstable-book/src/compiler-flags/coverage-options.md @@ -5,13 +5,16 @@ This option controls details of the coverage instrumentation performed by Multiple options can be passed, separated by commas. Valid options are: -- `block`, `branch`, `mcdc`: +- `block`, `branch`, `condition`, `mcdc`: Sets the level of coverage instrumentation. Setting the level will override any previously-specified level. - `block` (default): Blocks in the control-flow graph will be instrumented for coverage. - `branch`: In addition to block coverage, also enables branch coverage instrumentation. + - `condition`: + In addition to branch coverage, also instruments some boolean expressions + as branches, even if they are not directly used as branch conditions. - `mcdc`: - In addition to block and branch coverage, also enables MC/DC instrumentation. + In addition to condition coverage, also enables MC/DC instrumentation. (Branch coverage instrumentation may differ in some cases.) diff --git a/tests/ui/instrument-coverage/coverage-options.bad.stderr b/tests/ui/instrument-coverage/coverage-options.bad.stderr index 9e2c19e90d59..4a272cf97fb0 100644 --- a/tests/ui/instrument-coverage/coverage-options.bad.stderr +++ b/tests/ui/instrument-coverage/coverage-options.bad.stderr @@ -1,2 +1,2 @@ -error: incorrect value `bad` for unstable option `coverage-options` - `block` | `branch` | `mcdc` was expected +error: incorrect value `bad` for unstable option `coverage-options` - `block` | `branch` | `condition` | `mcdc` was expected diff --git a/tests/ui/instrument-coverage/coverage-options.rs b/tests/ui/instrument-coverage/coverage-options.rs index 2a80ce4ab2e9..8f523a5fd11a 100644 --- a/tests/ui/instrument-coverage/coverage-options.rs +++ b/tests/ui/instrument-coverage/coverage-options.rs @@ -1,5 +1,5 @@ //@ needs-profiler-support -//@ revisions: block branch mcdc bad +//@ revisions: block branch condition mcdc bad //@ compile-flags -Cinstrument-coverage //@ [block] check-pass @@ -8,6 +8,9 @@ //@ [branch] check-pass //@ [branch] compile-flags: -Zcoverage-options=branch +//@ [condition] check-pass +//@ [condition] compile-flags: -Zcoverage-options=condition + //@ [mcdc] check-pass //@ [mcdc] compile-flags: -Zcoverage-options=mcdc From 20174e6638eb0d5ac0195706ce6cc7185949a407 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Dorian=20P=C3=A9ron?= Date: Mon, 29 Apr 2024 15:58:14 +0000 Subject: [PATCH 0770/1716] coverage: Add a test for `-Zcoverage-options=condition` --- tests/coverage/condition/conditions.cov-map | 117 +++++++++++++++++++ tests/coverage/condition/conditions.coverage | 90 ++++++++++++++ tests/coverage/condition/conditions.rs | 67 +++++++++++ 3 files changed, 274 insertions(+) create mode 100644 tests/coverage/condition/conditions.cov-map create mode 100644 tests/coverage/condition/conditions.coverage create mode 100644 tests/coverage/condition/conditions.rs diff --git a/tests/coverage/condition/conditions.cov-map b/tests/coverage/condition/conditions.cov-map new file mode 100644 index 000000000000..6c81f7bda985 --- /dev/null +++ b/tests/coverage/condition/conditions.cov-map @@ -0,0 +1,117 @@ +Function name: conditions::assign_3_and_or +Raw bytes (60): 0x[01, 01, 06, 0d, 13, 09, 16, 01, 05, 01, 05, 09, 16, 01, 05, 08, 01, 1c, 01, 00, 2f, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 16, 00, 0d, 00, 0e, 05, 00, 12, 00, 13, 20, 0d, 09, 00, 12, 00, 13, 13, 00, 17, 00, 18, 03, 01, 05, 01, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 6 +- expression 0 operands: lhs = Counter(3), rhs = Expression(4, Add) +- expression 1 operands: lhs = Counter(2), rhs = Expression(5, Sub) +- expression 2 operands: lhs = Counter(0), rhs = Counter(1) +- expression 3 operands: lhs = Counter(0), rhs = Counter(1) +- expression 4 operands: lhs = Counter(2), rhs = Expression(5, Sub) +- expression 5 operands: lhs = Counter(0), rhs = Counter(1) +Number of file 0 mappings: 8 +- Code(Counter(0)) at (prev + 28, 1) to (start + 0, 47) +- Code(Expression(0, Add)) at (prev + 1, 9) to (start + 0, 10) + = (c3 + (c2 + (c0 - c1))) +- Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14) +- Branch { true: Counter(1), false: Expression(5, Sub) } at (prev + 0, 13) to (start + 0, 14) + true = c1 + false = (c0 - c1) +- Code(Counter(1)) at (prev + 0, 18) to (start + 0, 19) +- Branch { true: Counter(3), false: Counter(2) } at (prev + 0, 18) to (start + 0, 19) + true = c3 + false = c2 +- Code(Expression(4, Add)) at (prev + 0, 23) to (start + 0, 24) + = (c2 + (c0 - c1)) +- Code(Expression(0, Add)) at (prev + 1, 5) to (start + 1, 2) + = (c3 + (c2 + (c0 - c1))) + +Function name: conditions::assign_3_or_and +Raw bytes (56): 0x[01, 01, 04, 05, 07, 09, 0d, 01, 05, 01, 05, 08, 01, 17, 01, 00, 2f, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 0e, 00, 0d, 00, 0e, 0e, 00, 12, 00, 13, 20, 09, 0d, 00, 12, 00, 13, 09, 00, 17, 00, 18, 03, 01, 05, 01, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 4 +- expression 0 operands: lhs = Counter(1), rhs = Expression(1, Add) +- expression 1 operands: lhs = Counter(2), rhs = Counter(3) +- expression 2 operands: lhs = Counter(0), rhs = Counter(1) +- expression 3 operands: lhs = Counter(0), rhs = Counter(1) +Number of file 0 mappings: 8 +- Code(Counter(0)) at (prev + 23, 1) to (start + 0, 47) +- Code(Expression(0, Add)) at (prev + 1, 9) to (start + 0, 10) + = (c1 + (c2 + c3)) +- Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14) +- Branch { true: Counter(1), false: Expression(3, Sub) } at (prev + 0, 13) to (start + 0, 14) + true = c1 + false = (c0 - c1) +- Code(Expression(3, Sub)) at (prev + 0, 18) to (start + 0, 19) + = (c0 - c1) +- Branch { true: Counter(2), false: Counter(3) } at (prev + 0, 18) to (start + 0, 19) + true = c2 + false = c3 +- Code(Counter(2)) at (prev + 0, 23) to (start + 0, 24) +- Code(Expression(0, Add)) at (prev + 1, 5) to (start + 1, 2) + = (c1 + (c2 + c3)) + +Function name: conditions::assign_and +Raw bytes (38): 0x[01, 01, 01, 01, 05, 06, 01, 0d, 01, 00, 21, 01, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 02, 00, 0d, 00, 0e, 05, 00, 12, 00, 13, 01, 01, 05, 01, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 1 +- expression 0 operands: lhs = Counter(0), rhs = Counter(1) +Number of file 0 mappings: 6 +- Code(Counter(0)) at (prev + 13, 1) to (start + 0, 33) +- Code(Counter(0)) at (prev + 1, 9) to (start + 0, 10) +- Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14) +- Branch { true: Counter(1), false: Expression(0, Sub) } at (prev + 0, 13) to (start + 0, 14) + true = c1 + false = (c0 - c1) +- Code(Counter(1)) at (prev + 0, 18) to (start + 0, 19) +- Code(Counter(0)) at (prev + 1, 5) to (start + 1, 2) + +Function name: conditions::assign_or +Raw bytes (38): 0x[01, 01, 01, 01, 05, 06, 01, 12, 01, 00, 20, 01, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 02, 00, 0d, 00, 0e, 02, 00, 12, 00, 13, 01, 01, 05, 01, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 1 +- expression 0 operands: lhs = Counter(0), rhs = Counter(1) +Number of file 0 mappings: 6 +- Code(Counter(0)) at (prev + 18, 1) to (start + 0, 32) +- Code(Counter(0)) at (prev + 1, 9) to (start + 0, 10) +- Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14) +- Branch { true: Counter(1), false: Expression(0, Sub) } at (prev + 0, 13) to (start + 0, 14) + true = c1 + false = (c0 - c1) +- Code(Expression(0, Sub)) at (prev + 0, 18) to (start + 0, 19) + = (c0 - c1) +- Code(Counter(0)) at (prev + 1, 5) to (start + 1, 2) + +Function name: conditions::foo +Raw bytes (9): 0x[01, 01, 00, 01, 01, 21, 01, 02, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 0 +Number of file 0 mappings: 1 +- Code(Counter(0)) at (prev + 33, 1) to (start + 2, 2) + +Function name: conditions::func_call +Raw bytes (28): 0x[01, 01, 01, 01, 05, 04, 01, 25, 01, 01, 0a, 20, 05, 02, 01, 09, 00, 0a, 05, 00, 0e, 00, 0f, 01, 01, 01, 00, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 1 +- expression 0 operands: lhs = Counter(0), rhs = Counter(1) +Number of file 0 mappings: 4 +- Code(Counter(0)) at (prev + 37, 1) to (start + 1, 10) +- Branch { true: Counter(1), false: Expression(0, Sub) } at (prev + 1, 9) to (start + 0, 10) + true = c1 + false = (c0 - c1) +- Code(Counter(1)) at (prev + 0, 14) to (start + 0, 15) +- Code(Counter(0)) at (prev + 1, 1) to (start + 0, 2) + +Function name: conditions::simple_assign +Raw bytes (9): 0x[01, 01, 00, 01, 01, 08, 01, 03, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 0 +Number of file 0 mappings: 1 +- Code(Counter(0)) at (prev + 8, 1) to (start + 3, 2) + diff --git a/tests/coverage/condition/conditions.coverage b/tests/coverage/condition/conditions.coverage new file mode 100644 index 000000000000..a71ab8e5d894 --- /dev/null +++ b/tests/coverage/condition/conditions.coverage @@ -0,0 +1,90 @@ + LL| |#![feature(coverage_attribute)] + LL| |//@ edition: 2021 + LL| |//@ compile-flags: -Zcoverage-options=condition + LL| |//@ llvm-cov-flags: --show-branches=count + LL| | + LL| |use core::hint::black_box; + LL| | + LL| 2|fn simple_assign(a: bool) { + LL| 2| let x = a; + LL| 2| black_box(x); + LL| 2|} + LL| | + LL| 3|fn assign_and(a: bool, b: bool) { + LL| 3| let x = a && b; + ^2 + ------------------ + | Branch (LL:13): [True: 2, False: 1] + ------------------ + LL| 3| black_box(x); + LL| 3|} + LL| | + LL| 3|fn assign_or(a: bool, b: bool) { + LL| 3| let x = a || b; + ^1 + ------------------ + | Branch (LL:13): [True: 2, False: 1] + ------------------ + LL| 3| black_box(x); + LL| 3|} + LL| | + LL| 4|fn assign_3_or_and(a: bool, b: bool, c: bool) { + LL| 4| let x = a || b && c; + ^2 ^1 + ------------------ + | Branch (LL:13): [True: 2, False: 2] + | Branch (LL:18): [True: 1, False: 1] + ------------------ + LL| 4| black_box(x); + LL| 4|} + LL| | + LL| 4|fn assign_3_and_or(a: bool, b: bool, c: bool) { + LL| 4| let x = a && b || c; + ^2 ^3 + ------------------ + | Branch (LL:13): [True: 2, False: 2] + | Branch (LL:18): [True: 1, False: 1] + ------------------ + LL| 4| black_box(x); + LL| 4|} + LL| | + LL| 3|fn foo(a: bool) -> bool { + LL| 3| black_box(a) + LL| 3|} + LL| | + LL| 3|fn func_call(a: bool, b: bool) { + LL| 3| foo(a && b); + ^2 + ------------------ + | Branch (LL:9): [True: 2, False: 1] + ------------------ + LL| 3|} + LL| | + LL| |#[coverage(off)] + LL| |fn main() { + LL| | simple_assign(true); + LL| | simple_assign(false); + LL| | + LL| | assign_and(true, false); + LL| | assign_and(true, true); + LL| | assign_and(false, false); + LL| | + LL| | assign_or(true, false); + LL| | assign_or(true, true); + LL| | assign_or(false, false); + LL| | + LL| | assign_3_or_and(true, false, false); + LL| | assign_3_or_and(true, true, false); + LL| | assign_3_or_and(false, false, true); + LL| | assign_3_or_and(false, true, true); + LL| | + LL| | assign_3_and_or(true, false, false); + LL| | assign_3_and_or(true, true, false); + LL| | assign_3_and_or(false, false, true); + LL| | assign_3_and_or(false, true, true); + LL| | + LL| | func_call(true, false); + LL| | func_call(true, true); + LL| | func_call(false, false); + LL| |} + diff --git a/tests/coverage/condition/conditions.rs b/tests/coverage/condition/conditions.rs new file mode 100644 index 000000000000..3d658dc93e0c --- /dev/null +++ b/tests/coverage/condition/conditions.rs @@ -0,0 +1,67 @@ +#![feature(coverage_attribute)] +//@ edition: 2021 +//@ compile-flags: -Zcoverage-options=condition +//@ llvm-cov-flags: --show-branches=count + +use core::hint::black_box; + +fn simple_assign(a: bool) { + let x = a; + black_box(x); +} + +fn assign_and(a: bool, b: bool) { + let x = a && b; + black_box(x); +} + +fn assign_or(a: bool, b: bool) { + let x = a || b; + black_box(x); +} + +fn assign_3_or_and(a: bool, b: bool, c: bool) { + let x = a || b && c; + black_box(x); +} + +fn assign_3_and_or(a: bool, b: bool, c: bool) { + let x = a && b || c; + black_box(x); +} + +fn foo(a: bool) -> bool { + black_box(a) +} + +fn func_call(a: bool, b: bool) { + foo(a && b); +} + +#[coverage(off)] +fn main() { + simple_assign(true); + simple_assign(false); + + assign_and(true, false); + assign_and(true, true); + assign_and(false, false); + + assign_or(true, false); + assign_or(true, true); + assign_or(false, false); + + assign_3_or_and(true, false, false); + assign_3_or_and(true, true, false); + assign_3_or_and(false, false, true); + assign_3_or_and(false, true, true); + + assign_3_and_or(true, false, false); + assign_3_and_or(true, true, false); + assign_3_and_or(false, false, true); + assign_3_and_or(false, true, true); + + func_call(true, false); + func_call(true, true); + func_call(false, false); +} From 35a8746832a4d9103f317c5cac56cfa1e0316d8c Mon Sep 17 00:00:00 2001 From: Zalathar Date: Wed, 1 May 2024 17:33:33 +1000 Subject: [PATCH 0771/1716] coverage: Instrument the RHS value of lazy logical operators When a lazy logical operator (`&&` or `||`) occurs outside of an `if` condition, it normally doesn't have any associated control-flow branch, so we don't have an existing way to track whether it was true or false. This patch adds special code to handle this case, by inserting extra MIR blocks in a diamond shape after evaluating the RHS. This gives us a place to insert the appropriate marker statements, which can then be given their own counters. --- .../rustc_mir_build/src/build/coverageinfo.rs | 57 +++++++ .../rustc_mir_build/src/build/expr/into.rs | 8 +- tests/coverage/condition/conditions.cov-map | 153 +++++++++++------- tests/coverage/condition/conditions.coverage | 5 + 4 files changed, 162 insertions(+), 61 deletions(-) diff --git a/compiler/rustc_mir_build/src/build/coverageinfo.rs b/compiler/rustc_mir_build/src/build/coverageinfo.rs index ee9eeb62990d..855dcbbcb346 100644 --- a/compiler/rustc_mir_build/src/build/coverageinfo.rs +++ b/compiler/rustc_mir_build/src/build/coverageinfo.rs @@ -157,6 +157,63 @@ impl BranchInfoBuilder { } impl<'tcx> Builder<'_, 'tcx> { + /// If condition coverage is enabled, inject extra blocks and marker statements + /// that will let us track the value of the condition in `place`. + pub(crate) fn visit_coverage_standalone_condition( + &mut self, + mut expr_id: ExprId, // Expression giving the span of the condition + place: mir::Place<'tcx>, // Already holds the boolean condition value + block: &mut BasicBlock, + ) { + // Bail out if condition coverage is not enabled for this function. + let Some(branch_info) = self.coverage_branch_info.as_mut() else { return }; + if !self.tcx.sess.instrument_coverage_condition() { + return; + }; + + // Remove any wrappers, so that we can inspect the real underlying expression. + while let ExprKind::Use { source: inner } | ExprKind::Scope { value: inner, .. } = + self.thir[expr_id].kind + { + expr_id = inner; + } + // If the expression is a lazy logical op, it will naturally get branch + // coverage as part of its normal lowering, so we can disregard it here. + if let ExprKind::LogicalOp { .. } = self.thir[expr_id].kind { + return; + } + + let source_info = SourceInfo { span: self.thir[expr_id].span, scope: self.source_scope }; + + // Using the boolean value that has already been stored in `place`, set up + // control flow in the shape of a diamond, so that we can place separate + // marker statements in the true and false blocks. The coverage MIR pass + // will use those markers to inject coverage counters as appropriate. + // + // block + // / \ + // true_block false_block + // (marker) (marker) + // \ / + // join_block + + let true_block = self.cfg.start_new_block(); + let false_block = self.cfg.start_new_block(); + self.cfg.terminate( + *block, + source_info, + mir::TerminatorKind::if_(mir::Operand::Copy(place), true_block, false_block), + ); + + branch_info.add_two_way_branch(&mut self.cfg, source_info, true_block, false_block); + + let join_block = self.cfg.start_new_block(); + self.cfg.goto(true_block, source_info, join_block); + self.cfg.goto(false_block, source_info, join_block); + // Any subsequent codegen in the caller should use the new join block. + *block = join_block; + } + /// If branch coverage is enabled, inject marker statements into `then_block` /// and `else_block`, and record their IDs in the table of branch spans. pub(crate) fn visit_coverage_branch_condition( diff --git a/compiler/rustc_mir_build/src/build/expr/into.rs b/compiler/rustc_mir_build/src/build/expr/into.rs index 9349133d2dbc..c08a3b6691af 100644 --- a/compiler/rustc_mir_build/src/build/expr/into.rs +++ b/compiler/rustc_mir_build/src/build/expr/into.rs @@ -183,9 +183,13 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { const_: Const::from_bool(this.tcx, constant), }, ); - let rhs = unpack!(this.expr_into_dest(destination, continuation, rhs)); + let mut rhs_block = unpack!(this.expr_into_dest(destination, continuation, rhs)); + // Instrument the lowered RHS's value for condition coverage. + // (Does nothing if condition coverage is not enabled.) + this.visit_coverage_standalone_condition(rhs, destination, &mut rhs_block); + let target = this.cfg.start_new_block(); - this.cfg.goto(rhs, source_info, target); + this.cfg.goto(rhs_block, source_info, target); this.cfg.goto(short_circuit, source_info, target); target.unit() } diff --git a/tests/coverage/condition/conditions.cov-map b/tests/coverage/condition/conditions.cov-map index 6c81f7bda985..74726e269fc6 100644 --- a/tests/coverage/condition/conditions.cov-map +++ b/tests/coverage/condition/conditions.cov-map @@ -1,44 +1,107 @@ Function name: conditions::assign_3_and_or -Raw bytes (60): 0x[01, 01, 06, 0d, 13, 09, 16, 01, 05, 01, 05, 09, 16, 01, 05, 08, 01, 1c, 01, 00, 2f, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 16, 00, 0d, 00, 0e, 05, 00, 12, 00, 13, 20, 0d, 09, 00, 12, 00, 13, 13, 00, 17, 00, 18, 03, 01, 05, 01, 02] +Raw bytes (69): 0x[01, 01, 07, 07, 11, 09, 0d, 01, 05, 05, 09, 16, 1a, 05, 09, 01, 05, 09, 01, 1c, 01, 00, 2f, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 1a, 00, 0d, 00, 0e, 05, 00, 12, 00, 13, 20, 09, 16, 00, 12, 00, 13, 13, 00, 17, 00, 18, 20, 0d, 11, 00, 17, 00, 18, 03, 01, 05, 01, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 6 -- expression 0 operands: lhs = Counter(3), rhs = Expression(4, Add) -- expression 1 operands: lhs = Counter(2), rhs = Expression(5, Sub) +Number of expressions: 7 +- expression 0 operands: lhs = Expression(1, Add), rhs = Counter(4) +- expression 1 operands: lhs = Counter(2), rhs = Counter(3) - expression 2 operands: lhs = Counter(0), rhs = Counter(1) -- expression 3 operands: lhs = Counter(0), rhs = Counter(1) -- expression 4 operands: lhs = Counter(2), rhs = Expression(5, Sub) -- expression 5 operands: lhs = Counter(0), rhs = Counter(1) -Number of file 0 mappings: 8 +- expression 3 operands: lhs = Counter(1), rhs = Counter(2) +- expression 4 operands: lhs = Expression(5, Sub), rhs = Expression(6, Sub) +- expression 5 operands: lhs = Counter(1), rhs = Counter(2) +- expression 6 operands: lhs = Counter(0), rhs = Counter(1) +Number of file 0 mappings: 9 - Code(Counter(0)) at (prev + 28, 1) to (start + 0, 47) - Code(Expression(0, Add)) at (prev + 1, 9) to (start + 0, 10) - = (c3 + (c2 + (c0 - c1))) + = ((c2 + c3) + c4) - Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14) -- Branch { true: Counter(1), false: Expression(5, Sub) } at (prev + 0, 13) to (start + 0, 14) +- Branch { true: Counter(1), false: Expression(6, Sub) } at (prev + 0, 13) to (start + 0, 14) true = c1 false = (c0 - c1) - Code(Counter(1)) at (prev + 0, 18) to (start + 0, 19) -- Branch { true: Counter(3), false: Counter(2) } at (prev + 0, 18) to (start + 0, 19) - true = c3 - false = c2 +- Branch { true: Counter(2), false: Expression(5, Sub) } at (prev + 0, 18) to (start + 0, 19) + true = c2 + false = (c1 - c2) - Code(Expression(4, Add)) at (prev + 0, 23) to (start + 0, 24) - = (c2 + (c0 - c1)) + = ((c1 - c2) + (c0 - c1)) +- Branch { true: Counter(3), false: Counter(4) } at (prev + 0, 23) to (start + 0, 24) + true = c3 + false = c4 - Code(Expression(0, Add)) at (prev + 1, 5) to (start + 1, 2) - = (c3 + (c2 + (c0 - c1))) + = ((c2 + c3) + c4) Function name: conditions::assign_3_or_and -Raw bytes (56): 0x[01, 01, 04, 05, 07, 09, 0d, 01, 05, 01, 05, 08, 01, 17, 01, 00, 2f, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 0e, 00, 0d, 00, 0e, 0e, 00, 12, 00, 13, 20, 09, 0d, 00, 12, 00, 13, 09, 00, 17, 00, 18, 03, 01, 05, 01, 02] +Raw bytes (73): 0x[01, 01, 09, 05, 07, 0b, 11, 09, 0d, 01, 05, 01, 05, 22, 11, 01, 05, 22, 11, 01, 05, 09, 01, 17, 01, 00, 2f, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 22, 00, 0d, 00, 0e, 22, 00, 12, 00, 13, 20, 1e, 11, 00, 12, 00, 13, 1e, 00, 17, 00, 18, 20, 09, 0d, 00, 17, 00, 18, 03, 01, 05, 01, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 9 +- expression 0 operands: lhs = Counter(1), rhs = Expression(1, Add) +- expression 1 operands: lhs = Expression(2, Add), rhs = Counter(4) +- expression 2 operands: lhs = Counter(2), rhs = Counter(3) +- expression 3 operands: lhs = Counter(0), rhs = Counter(1) +- expression 4 operands: lhs = Counter(0), rhs = Counter(1) +- expression 5 operands: lhs = Expression(8, Sub), rhs = Counter(4) +- expression 6 operands: lhs = Counter(0), rhs = Counter(1) +- expression 7 operands: lhs = Expression(8, Sub), rhs = Counter(4) +- expression 8 operands: lhs = Counter(0), rhs = Counter(1) +Number of file 0 mappings: 9 +- Code(Counter(0)) at (prev + 23, 1) to (start + 0, 47) +- Code(Expression(0, Add)) at (prev + 1, 9) to (start + 0, 10) + = (c1 + ((c2 + c3) + c4)) +- Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14) +- Branch { true: Counter(1), false: Expression(8, Sub) } at (prev + 0, 13) to (start + 0, 14) + true = c1 + false = (c0 - c1) +- Code(Expression(8, Sub)) at (prev + 0, 18) to (start + 0, 19) + = (c0 - c1) +- Branch { true: Expression(7, Sub), false: Counter(4) } at (prev + 0, 18) to (start + 0, 19) + true = ((c0 - c1) - c4) + false = c4 +- Code(Expression(7, Sub)) at (prev + 0, 23) to (start + 0, 24) + = ((c0 - c1) - c4) +- Branch { true: Counter(2), false: Counter(3) } at (prev + 0, 23) to (start + 0, 24) + true = c2 + false = c3 +- Code(Expression(0, Add)) at (prev + 1, 5) to (start + 1, 2) + = (c1 + ((c2 + c3) + c4)) + +Function name: conditions::assign_and +Raw bytes (51): 0x[01, 01, 04, 07, 0e, 09, 0d, 01, 05, 01, 05, 07, 01, 0d, 01, 00, 21, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 0e, 00, 0d, 00, 0e, 05, 00, 12, 00, 13, 20, 09, 0d, 00, 12, 00, 13, 03, 01, 05, 01, 02] Number of files: 1 - file 0 => global file 1 Number of expressions: 4 -- expression 0 operands: lhs = Counter(1), rhs = Expression(1, Add) +- expression 0 operands: lhs = Expression(1, Add), rhs = Expression(3, Sub) - expression 1 operands: lhs = Counter(2), rhs = Counter(3) - expression 2 operands: lhs = Counter(0), rhs = Counter(1) - expression 3 operands: lhs = Counter(0), rhs = Counter(1) -Number of file 0 mappings: 8 -- Code(Counter(0)) at (prev + 23, 1) to (start + 0, 47) +Number of file 0 mappings: 7 +- Code(Counter(0)) at (prev + 13, 1) to (start + 0, 33) - Code(Expression(0, Add)) at (prev + 1, 9) to (start + 0, 10) - = (c1 + (c2 + c3)) + = ((c2 + c3) + (c0 - c1)) +- Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14) +- Branch { true: Counter(1), false: Expression(3, Sub) } at (prev + 0, 13) to (start + 0, 14) + true = c1 + false = (c0 - c1) +- Code(Counter(1)) at (prev + 0, 18) to (start + 0, 19) +- Branch { true: Counter(2), false: Counter(3) } at (prev + 0, 18) to (start + 0, 19) + true = c2 + false = c3 +- Code(Expression(0, Add)) at (prev + 1, 5) to (start + 1, 2) + = ((c2 + c3) + (c0 - c1)) + +Function name: conditions::assign_or +Raw bytes (51): 0x[01, 01, 04, 07, 0d, 05, 09, 01, 05, 01, 05, 07, 01, 12, 01, 00, 20, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 0e, 00, 0d, 00, 0e, 0e, 00, 12, 00, 13, 20, 09, 0d, 00, 12, 00, 13, 03, 01, 05, 01, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 4 +- expression 0 operands: lhs = Expression(1, Add), rhs = Counter(3) +- expression 1 operands: lhs = Counter(1), rhs = Counter(2) +- expression 2 operands: lhs = Counter(0), rhs = Counter(1) +- expression 3 operands: lhs = Counter(0), rhs = Counter(1) +Number of file 0 mappings: 7 +- Code(Counter(0)) at (prev + 18, 1) to (start + 0, 32) +- Code(Expression(0, Add)) at (prev + 1, 9) to (start + 0, 10) + = ((c1 + c2) + c3) - Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14) - Branch { true: Counter(1), false: Expression(3, Sub) } at (prev + 0, 13) to (start + 0, 14) true = c1 @@ -48,42 +111,8 @@ Number of file 0 mappings: 8 - Branch { true: Counter(2), false: Counter(3) } at (prev + 0, 18) to (start + 0, 19) true = c2 false = c3 -- Code(Counter(2)) at (prev + 0, 23) to (start + 0, 24) - Code(Expression(0, Add)) at (prev + 1, 5) to (start + 1, 2) - = (c1 + (c2 + c3)) - -Function name: conditions::assign_and -Raw bytes (38): 0x[01, 01, 01, 01, 05, 06, 01, 0d, 01, 00, 21, 01, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 02, 00, 0d, 00, 0e, 05, 00, 12, 00, 13, 01, 01, 05, 01, 02] -Number of files: 1 -- file 0 => global file 1 -Number of expressions: 1 -- expression 0 operands: lhs = Counter(0), rhs = Counter(1) -Number of file 0 mappings: 6 -- Code(Counter(0)) at (prev + 13, 1) to (start + 0, 33) -- Code(Counter(0)) at (prev + 1, 9) to (start + 0, 10) -- Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14) -- Branch { true: Counter(1), false: Expression(0, Sub) } at (prev + 0, 13) to (start + 0, 14) - true = c1 - false = (c0 - c1) -- Code(Counter(1)) at (prev + 0, 18) to (start + 0, 19) -- Code(Counter(0)) at (prev + 1, 5) to (start + 1, 2) - -Function name: conditions::assign_or -Raw bytes (38): 0x[01, 01, 01, 01, 05, 06, 01, 12, 01, 00, 20, 01, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 02, 00, 0d, 00, 0e, 02, 00, 12, 00, 13, 01, 01, 05, 01, 02] -Number of files: 1 -- file 0 => global file 1 -Number of expressions: 1 -- expression 0 operands: lhs = Counter(0), rhs = Counter(1) -Number of file 0 mappings: 6 -- Code(Counter(0)) at (prev + 18, 1) to (start + 0, 32) -- Code(Counter(0)) at (prev + 1, 9) to (start + 0, 10) -- Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14) -- Branch { true: Counter(1), false: Expression(0, Sub) } at (prev + 0, 13) to (start + 0, 14) - true = c1 - false = (c0 - c1) -- Code(Expression(0, Sub)) at (prev + 0, 18) to (start + 0, 19) - = (c0 - c1) -- Code(Counter(0)) at (prev + 1, 5) to (start + 1, 2) + = ((c1 + c2) + c3) Function name: conditions::foo Raw bytes (9): 0x[01, 01, 00, 01, 01, 21, 01, 02, 02] @@ -94,18 +123,24 @@ Number of file 0 mappings: 1 - Code(Counter(0)) at (prev + 33, 1) to (start + 2, 2) Function name: conditions::func_call -Raw bytes (28): 0x[01, 01, 01, 01, 05, 04, 01, 25, 01, 01, 0a, 20, 05, 02, 01, 09, 00, 0a, 05, 00, 0e, 00, 0f, 01, 01, 01, 00, 02] +Raw bytes (39): 0x[01, 01, 03, 01, 05, 0b, 02, 09, 0d, 05, 01, 25, 01, 01, 0a, 20, 05, 02, 01, 09, 00, 0a, 05, 00, 0e, 00, 0f, 20, 09, 0d, 00, 0e, 00, 0f, 07, 01, 01, 00, 02] Number of files: 1 - file 0 => global file 1 -Number of expressions: 1 +Number of expressions: 3 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -Number of file 0 mappings: 4 +- expression 1 operands: lhs = Expression(2, Add), rhs = Expression(0, Sub) +- expression 2 operands: lhs = Counter(2), rhs = Counter(3) +Number of file 0 mappings: 5 - Code(Counter(0)) at (prev + 37, 1) to (start + 1, 10) - Branch { true: Counter(1), false: Expression(0, Sub) } at (prev + 1, 9) to (start + 0, 10) true = c1 false = (c0 - c1) - Code(Counter(1)) at (prev + 0, 14) to (start + 0, 15) -- Code(Counter(0)) at (prev + 1, 1) to (start + 0, 2) +- Branch { true: Counter(2), false: Counter(3) } at (prev + 0, 14) to (start + 0, 15) + true = c2 + false = c3 +- Code(Expression(1, Add)) at (prev + 1, 1) to (start + 0, 2) + = ((c2 + c3) + (c0 - c1)) Function name: conditions::simple_assign Raw bytes (9): 0x[01, 01, 00, 01, 01, 08, 01, 03, 02] diff --git a/tests/coverage/condition/conditions.coverage b/tests/coverage/condition/conditions.coverage index a71ab8e5d894..3215b391d622 100644 --- a/tests/coverage/condition/conditions.coverage +++ b/tests/coverage/condition/conditions.coverage @@ -15,6 +15,7 @@ ^2 ------------------ | Branch (LL:13): [True: 2, False: 1] + | Branch (LL:18): [True: 1, False: 1] ------------------ LL| 3| black_box(x); LL| 3|} @@ -24,6 +25,7 @@ ^1 ------------------ | Branch (LL:13): [True: 2, False: 1] + | Branch (LL:18): [True: 0, False: 1] ------------------ LL| 3| black_box(x); LL| 3|} @@ -34,6 +36,7 @@ ------------------ | Branch (LL:13): [True: 2, False: 2] | Branch (LL:18): [True: 1, False: 1] + | Branch (LL:23): [True: 1, False: 0] ------------------ LL| 4| black_box(x); LL| 4|} @@ -44,6 +47,7 @@ ------------------ | Branch (LL:13): [True: 2, False: 2] | Branch (LL:18): [True: 1, False: 1] + | Branch (LL:23): [True: 2, False: 1] ------------------ LL| 4| black_box(x); LL| 4|} @@ -57,6 +61,7 @@ ^2 ------------------ | Branch (LL:9): [True: 2, False: 1] + | Branch (LL:14): [True: 1, False: 1] ------------------ LL| 3|} LL| | From 4ce7e094ae9d226535a404075efc92898f79793a Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Wed, 29 May 2024 11:33:13 +0200 Subject: [PATCH 0772/1716] compiletest: clarify COMPILETEST_NEEDS_ALL_LLVM_COMPONENTS error also improve wording for an ignore reason --- src/ci/run.sh | 2 +- src/tools/compiletest/src/header.rs | 9 ++++++--- src/tools/tidy/src/target_specific_tests.rs | 3 +++ 3 files changed, 10 insertions(+), 4 deletions(-) diff --git a/src/ci/run.sh b/src/ci/run.sh index 2e36b7e5962e..efaf70078c4a 100755 --- a/src/ci/run.sh +++ b/src/ci/run.sh @@ -90,7 +90,7 @@ RUST_CONFIGURE_ARGS="$RUST_CONFIGURE_ARGS --dist-compression-formats=xz" if [ "$EXTERNAL_LLVM" = "" ]; then RUST_CONFIGURE_ARGS="$RUST_CONFIGURE_ARGS --set build.optimized-compiler-builtins" # Likewise, only demand we test all LLVM components if we know we built LLVM with them - export COMPILETEST_NEEDS_ALL_LLVM_COMPONENTS=1 + export COMPILETEST_REQUIRE_ALL_LLVM_COMPONENTS=1 elif [ "$DEPLOY$DEPLOY_ALT" = "1" ]; then echo "error: dist builds should always use optimized compiler-rt!" >&2 exit 1 diff --git a/src/tools/compiletest/src/header.rs b/src/tools/compiletest/src/header.rs index dc5818201b6d..a2cdf800a971 100644 --- a/src/tools/compiletest/src/header.rs +++ b/src/tools/compiletest/src/header.rs @@ -1436,7 +1436,7 @@ pub fn make_test_description( if config.target == "wasm32-unknown-unknown" { if config.parse_name_directive(ln, directives::CHECK_RUN_RESULTS) { decision!(IgnoreDecision::Ignore { - reason: "ignored when checking the run results on WASM".into(), + reason: "ignored on WASM as the run results cannot be checked there".into(), }); } } @@ -1577,8 +1577,11 @@ fn ignore_llvm(config: &Config, line: &str) -> IgnoreDecision { .split_whitespace() .find(|needed_component| !components.contains(needed_component)) { - if env::var_os("COMPILETEST_NEEDS_ALL_LLVM_COMPONENTS").is_some() { - panic!("missing LLVM component: {}", missing_component); + if env::var_os("COMPILETEST_REQUIRE_ALL_LLVM_COMPONENTS").is_some() { + panic!( + "missing LLVM component {}, and COMPILETEST_REQUIRE_ALL_LLVM_COMPONENTS is set", + missing_component + ); } return IgnoreDecision::Ignore { reason: format!("ignored when the {missing_component} LLVM component is missing"), diff --git a/src/tools/tidy/src/target_specific_tests.rs b/src/tools/tidy/src/target_specific_tests.rs index 6fd2148ef678..f3a64b38e8c6 100644 --- a/src/tools/tidy/src/target_specific_tests.rs +++ b/src/tools/tidy/src/target_specific_tests.rs @@ -90,6 +90,9 @@ pub fn check(path: &Path, bad: &mut bool) { } if let Some(llvm_components) = llvm_components { for component in llvm_components { + // Ensure the given component even exists. + // This is somewhat redundant with COMPILETEST_REQUIRE_ALL_LLVM_COMPONENTS, + // but helps detect such problems earlier (PR CI rather than bors CI). if !KNOWN_LLVM_COMPONENTS.contains(component) { eprintln!( "{}: revision {} specifies unknown LLVM component `{}`", From 4af4ba2391c81eb1db6290e6197a4a91478abfac Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 29 May 2024 13:49:23 +1000 Subject: [PATCH 0773/1716] List all `tests/` subdirs explicitly in `rustfmt.toml`. So we can gradually remove the ones where rustfmt can be used. --- rustfmt.toml | 29 ++++++++++++++++++++++++++--- 1 file changed, 26 insertions(+), 3 deletions(-) diff --git a/rustfmt.toml b/rustfmt.toml index b78e96d5872f..90de42072d78 100644 --- a/rustfmt.toml +++ b/rustfmt.toml @@ -10,9 +10,32 @@ ignore = [ "/build-*/", "/vendor/", - # Tests for now are not formatted, as they are sometimes pretty-printing constrained - # (and generally rustfmt can move around comments in UI-testing incompatible ways). - "/tests/", + # Some tests are not formatted, for multiple reasons: + # - some contain syntax errors that cause rustfmt to give an error + # - some UI tests are broken by different formatting + # - some require special comments in a particular position (e.g. `EMIT_MIR` comments) + "/tests/assembly/", + "/tests/auxiliary/", + "/tests/codegen/", + "/tests/codegen-units/", + "/tests/coverage/", + "/tests/coverage-run-rustdoc/", + "/tests/crashes/", + "/tests/debuginfo/", + "/tests/incremental/", + "/tests/mir-opt/", + "/tests/pretty/", + "/tests/run-make/", + "/tests/run-make-fulldeps/", + "/tests/run-pass-valgrind/", + "/tests/rustdoc/", + "/tests/rustdoc-gui/", + "/tests/rustdoc-js/", + "/tests/rustdoc-json/", + "/tests/rustdoc-js-std/", + "/tests/rustdoc-ui/", + "/tests/ui/", + "/tests/ui-fulldeps/", # Do not format submodules. # FIXME: sync submodule list with tidy/bootstrap/etc From d063c7b6c8548b88323378c9890c67233755f831 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 29 May 2024 13:57:23 +1000 Subject: [PATCH 0774/1716] Run rustfmt on `tests/assembly/`. --- rustfmt.toml | 1 - tests/assembly/align_offset.rs | 2 +- tests/assembly/asm/inline-asm-avx.rs | 2 +- .../closure-inherit-target-feature.rs | 13 +++++----- tests/assembly/is_aligned.rs | 7 ++--- tests/assembly/pic-relocation-model.rs | 15 +++++------ tests/assembly/pie-relocation-model.rs | 15 +++++------ ...otector-heuristics-effect-windows-32bit.rs | 11 +------- ...otector-heuristics-effect-windows-64bit.rs | 11 +------- .../stack-protector-heuristics-effect.rs | 7 +---- tests/assembly/static-relocation-model.rs | 20 +++++--------- tests/assembly/thin-lto.rs | 3 +-- tests/assembly/wasm_exceptions.rs | 26 ++++++++++++------- ...4-fortanix-unknown-sgx-lvi-generic-load.rs | 2 +- ...64-fortanix-unknown-sgx-lvi-generic-ret.rs | 2 +- 15 files changed, 52 insertions(+), 85 deletions(-) diff --git a/rustfmt.toml b/rustfmt.toml index 90de42072d78..70d7332aafa9 100644 --- a/rustfmt.toml +++ b/rustfmt.toml @@ -14,7 +14,6 @@ ignore = [ # - some contain syntax errors that cause rustfmt to give an error # - some UI tests are broken by different formatting # - some require special comments in a particular position (e.g. `EMIT_MIR` comments) - "/tests/assembly/", "/tests/auxiliary/", "/tests/codegen/", "/tests/codegen-units/", diff --git a/tests/assembly/align_offset.rs b/tests/assembly/align_offset.rs index dbf599a741fd..d9902ce336b0 100644 --- a/tests/assembly/align_offset.rs +++ b/tests/assembly/align_offset.rs @@ -1,7 +1,7 @@ //@ assembly-output: emit-asm //@ compile-flags: -Copt-level=1 //@ only-x86_64 -#![crate_type="rlib"] +#![crate_type = "rlib"] // CHECK-LABEL: align_offset_byte_ptr // CHECK: leaq 31 diff --git a/tests/assembly/asm/inline-asm-avx.rs b/tests/assembly/asm/inline-asm-avx.rs index 7e52a798dedb..630acbb971a8 100644 --- a/tests/assembly/asm/inline-asm-avx.rs +++ b/tests/assembly/asm/inline-asm-avx.rs @@ -5,8 +5,8 @@ #![feature(portable_simd)] -use std::simd::Simd; use std::arch::asm; +use std::simd::Simd; #[target_feature(enable = "avx")] #[no_mangle] diff --git a/tests/assembly/closure-inherit-target-feature.rs b/tests/assembly/closure-inherit-target-feature.rs index cafe9e7ca6fa..4692653d91fc 100644 --- a/tests/assembly/closure-inherit-target-feature.rs +++ b/tests/assembly/closure-inherit-target-feature.rs @@ -18,7 +18,8 @@ pub unsafe fn sse41_blend_nofeature(x: __m128, y: __m128) -> __m128 { // CHECK: {{call .*_mm_blend_ps.*}} // CHECK-NOT: blendps // CHECK: ret - #[inline(never)] |x, y| _mm_blend_ps(x, y, 0b0101) + #[inline(never)] + |x, y| _mm_blend_ps(x, y, 0b0101) }; f(x, y) } @@ -33,9 +34,8 @@ pub fn sse41_blend_noinline(x: __m128, y: __m128) -> __m128 { // CHECK: blendps // CHECK-NOT: _mm_blend_ps // CHECK: ret - #[inline(never)] |x, y| unsafe { - _mm_blend_ps(x, y, 0b0101) - } + #[inline(never)] + |x, y| unsafe { _mm_blend_ps(x, y, 0b0101) } }; f(x, y) } @@ -52,9 +52,8 @@ pub fn sse41_blend_doinline(x: __m128, y: __m128) -> __m128 { // CHECK-NOT: _mm_blend_ps // CHECK: ret let f = { - #[inline] |x, y| unsafe { - _mm_blend_ps(x, y, 0b0101) - } + #[inline] + |x, y| unsafe { _mm_blend_ps(x, y, 0b0101) } }; f(x, y) } diff --git a/tests/assembly/is_aligned.rs b/tests/assembly/is_aligned.rs index 14423a52064a..ab8f7dea808d 100644 --- a/tests/assembly/is_aligned.rs +++ b/tests/assembly/is_aligned.rs @@ -4,8 +4,7 @@ //@ revisions: opt-speed opt-size //@ [opt-speed] compile-flags: -Copt-level=2 -Cdebug-assertions=no //@ [opt-size] compile-flags: -Copt-level=s -Cdebug-assertions=no -#![crate_type="rlib"] - +#![crate_type = "rlib"] #![feature(core_intrinsics)] #![feature(pointer_is_aligned_to)] @@ -16,9 +15,7 @@ // CHECK: retq #[no_mangle] pub unsafe fn is_aligned_to_unchecked(ptr: *const u8, align: usize) -> bool { - unsafe { - std::intrinsics::assume(align.is_power_of_two()) - } + unsafe { std::intrinsics::assume(align.is_power_of_two()) } ptr.is_aligned_to(align) } diff --git a/tests/assembly/pic-relocation-model.rs b/tests/assembly/pic-relocation-model.rs index 453fd6a70476..73db94791ec6 100644 --- a/tests/assembly/pic-relocation-model.rs +++ b/tests/assembly/pic-relocation-model.rs @@ -3,10 +3,9 @@ //@ [x64] compile-flags: --target x86_64-unknown-linux-gnu -Crelocation-model=pic //@ [x64] needs-llvm-components: x86 - #![feature(no_core, lang_items)] #![no_core] -#![crate_type="rlib"] +#![crate_type = "rlib"] #[lang = "sized"] trait Sized {} @@ -17,9 +16,7 @@ trait Copy {} // CHECK: {{(jmpq|callq)}} *other_fn@GOTPCREL(%rip) #[no_mangle] pub fn call_other_fn() -> u8 { - unsafe { - other_fn() - } + unsafe { other_fn() } } // CHECK-LABEL: other_fn: @@ -27,9 +24,9 @@ pub fn call_other_fn() -> u8 { #[no_mangle] #[inline(never)] pub fn other_fn() -> u8 { - unsafe { - foreign_fn() - } + unsafe { foreign_fn() } } -extern "C" {fn foreign_fn() -> u8;} +extern "C" { + fn foreign_fn() -> u8; +} diff --git a/tests/assembly/pie-relocation-model.rs b/tests/assembly/pie-relocation-model.rs index 6ff6b7708bbf..e632b4dd5823 100644 --- a/tests/assembly/pie-relocation-model.rs +++ b/tests/assembly/pie-relocation-model.rs @@ -3,10 +3,9 @@ //@ [x64] compile-flags: --target x86_64-unknown-linux-gnu -Crelocation-model=pie //@ [x64] needs-llvm-components: x86 - #![feature(no_core, lang_items)] #![no_core] -#![crate_type="rlib"] +#![crate_type = "rlib"] #[lang = "sized"] trait Sized {} @@ -18,9 +17,7 @@ trait Copy {} // CHECK: {{(jmp|callq)}} other_fn #[no_mangle] pub fn call_other_fn() -> u8 { - unsafe { - other_fn() - } + unsafe { other_fn() } } // CHECK-LABEL: other_fn: @@ -30,9 +27,9 @@ pub fn call_other_fn() -> u8 { #[no_mangle] #[inline(never)] pub fn other_fn() -> u8 { - unsafe { - foreign_fn() - } + unsafe { foreign_fn() } } -extern "C" {fn foreign_fn() -> u8;} +extern "C" { + fn foreign_fn() -> u8; +} diff --git a/tests/assembly/stack-protector/stack-protector-heuristics-effect-windows-32bit.rs b/tests/assembly/stack-protector/stack-protector-heuristics-effect-windows-32bit.rs index 51b4dc4e1699..2a8251785e77 100644 --- a/tests/assembly/stack-protector/stack-protector-heuristics-effect-windows-32bit.rs +++ b/tests/assembly/stack-protector/stack-protector-heuristics-effect-windows-32bit.rs @@ -10,12 +10,9 @@ //@ compile-flags: -C opt-level=2 -Z merge-functions=disabled #![crate_type = "lib"] - #![allow(incomplete_features)] - #![feature(unsized_locals, unsized_fn_params)] - // CHECK-LABEL: emptyfn: #[no_mangle] pub fn emptyfn() { @@ -139,7 +136,6 @@ pub fn local_var_addr_used_indirectly(f: fn(bool)) { // missing-NOT: __security_check_cookie } - // CHECK-LABEL: local_string_addr_taken #[no_mangle] pub fn local_string_addr_taken(f: fn(&String)) { @@ -205,7 +201,7 @@ pub struct Gigastruct { not: u64, have: u64, array: u64, - members: u64 + members: u64, } // CHECK-LABEL: local_large_var_moved @@ -259,7 +255,6 @@ pub fn local_large_var_cloned(f: fn(Gigastruct)) { // EOF // ``` - // all: __security_check_cookie // strong: __security_check_cookie // basic: __security_check_cookie @@ -267,7 +262,6 @@ pub fn local_large_var_cloned(f: fn(Gigastruct)) { // missing-NOT: __security_check_cookie } - extern "C" { // A call to an external `alloca` function is *not* recognized as an // `alloca(3)` operation. This function is a compiler built-in, as the @@ -320,7 +314,6 @@ pub fn alloca_large_compile_time_constant_arg(f: fn(*mut ())) { // missing-NOT: __security_check_cookie } - // CHECK-LABEL: alloca_dynamic_arg #[no_mangle] pub fn alloca_dynamic_arg(f: fn(*mut ()), n: usize) { @@ -340,7 +333,6 @@ pub fn alloca_dynamic_arg(f: fn(*mut ()), n: usize) { // this is support for the "unsized locals" unstable feature: // https://doc.rust-lang.org/unstable-book/language-features/unsized-locals.html. - // CHECK-LABEL: unsized_fn_param #[no_mangle] pub fn unsized_fn_param(s: [u8], l: bool, f: fn([u8])) { @@ -354,7 +346,6 @@ pub fn unsized_fn_param(s: [u8], l: bool, f: fn([u8])) { // alloca, and is therefore not protected by the `strong` or `basic` // heuristics. - // We should have a __security_check_cookie call in `all` and `strong` modes but // LLVM does not support generating stack protectors in functions with funclet // based EH personalities. diff --git a/tests/assembly/stack-protector/stack-protector-heuristics-effect-windows-64bit.rs b/tests/assembly/stack-protector/stack-protector-heuristics-effect-windows-64bit.rs index c5915262c093..9729da4e5d25 100644 --- a/tests/assembly/stack-protector/stack-protector-heuristics-effect-windows-64bit.rs +++ b/tests/assembly/stack-protector/stack-protector-heuristics-effect-windows-64bit.rs @@ -10,12 +10,9 @@ //@ compile-flags: -C opt-level=2 -Z merge-functions=disabled #![crate_type = "lib"] - #![allow(incomplete_features)] - #![feature(unsized_locals, unsized_fn_params)] - // CHECK-LABEL: emptyfn: #[no_mangle] pub fn emptyfn() { @@ -139,7 +136,6 @@ pub fn local_var_addr_used_indirectly(f: fn(bool)) { // missing-NOT: __security_check_cookie } - // CHECK-LABEL: local_string_addr_taken #[no_mangle] pub fn local_string_addr_taken(f: fn(&String)) { @@ -213,7 +209,7 @@ pub struct Gigastruct { not: u64, have: u64, array: u64, - members: u64 + members: u64, } // CHECK-LABEL: local_large_var_moved @@ -267,7 +263,6 @@ pub fn local_large_var_cloned(f: fn(Gigastruct)) { // EOF // ``` - // all: __security_check_cookie // strong: __security_check_cookie // basic: __security_check_cookie @@ -275,7 +270,6 @@ pub fn local_large_var_cloned(f: fn(Gigastruct)) { // missing-NOT: __security_check_cookie } - extern "C" { // A call to an external `alloca` function is *not* recognized as an // `alloca(3)` operation. This function is a compiler built-in, as the @@ -328,7 +322,6 @@ pub fn alloca_large_compile_time_constant_arg(f: fn(*mut ())) { // missing-NOT: __security_check_cookie } - // CHECK-LABEL: alloca_dynamic_arg #[no_mangle] pub fn alloca_dynamic_arg(f: fn(*mut ()), n: usize) { @@ -348,7 +341,6 @@ pub fn alloca_dynamic_arg(f: fn(*mut ()), n: usize) { // this is support for the "unsized locals" unstable feature: // https://doc.rust-lang.org/unstable-book/language-features/unsized-locals.html. - // CHECK-LABEL: unsized_fn_param #[no_mangle] pub fn unsized_fn_param(s: [u8], l: bool, f: fn([u8])) { @@ -362,7 +354,6 @@ pub fn unsized_fn_param(s: [u8], l: bool, f: fn([u8])) { // alloca, and is therefore not protected by the `strong` or `basic` // heuristics. - // We should have a __security_check_cookie call in `all` and `strong` modes but // LLVM does not support generating stack protectors in functions with funclet // based EH personalities. diff --git a/tests/assembly/stack-protector/stack-protector-heuristics-effect.rs b/tests/assembly/stack-protector/stack-protector-heuristics-effect.rs index 1f15f1a318a6..5ed0b6c50a73 100644 --- a/tests/assembly/stack-protector/stack-protector-heuristics-effect.rs +++ b/tests/assembly/stack-protector/stack-protector-heuristics-effect.rs @@ -143,7 +143,6 @@ pub fn local_var_addr_used_indirectly(f: fn(bool)) { // missing-NOT: __stack_chk_fail } - // CHECK-LABEL: local_string_addr_taken #[no_mangle] pub fn local_string_addr_taken(f: fn(&String)) { @@ -194,7 +193,7 @@ pub struct Gigastruct { not: u64, have: u64, array: u64, - members: u64 + members: u64, } // CHECK-LABEL: local_large_var_moved @@ -255,7 +254,6 @@ pub fn local_large_var_cloned(f: fn(Gigastruct)) { // missing-NOT: __stack_chk_fail } - extern "C" { // A call to an external `alloca` function is *not* recognized as an // `alloca(3)` operation. This function is a compiler built-in, as the @@ -308,7 +306,6 @@ pub fn alloca_large_compile_time_constant_arg(f: fn(*mut ())) { // missing-NOT: __stack_chk_fail } - // CHECK-LABEL: alloca_dynamic_arg #[no_mangle] pub fn alloca_dynamic_arg(f: fn(*mut ()), n: usize) { @@ -328,7 +325,6 @@ pub fn alloca_dynamic_arg(f: fn(*mut ()), n: usize) { // this is support for the "unsized locals" unstable feature: // https://doc.rust-lang.org/unstable-book/language-features/unsized-locals.html. - // CHECK-LABEL: unsized_fn_param #[no_mangle] pub fn unsized_fn_param(s: [u8], l: bool, f: fn([u8])) { @@ -342,7 +338,6 @@ pub fn unsized_fn_param(s: [u8], l: bool, f: fn([u8])) { // alloca, and is therefore not protected by the `strong` or `basic` // heuristics. - // all: __stack_chk_fail // strong-NOT: __stack_chk_fail // basic-NOT: __stack_chk_fail diff --git a/tests/assembly/static-relocation-model.rs b/tests/assembly/static-relocation-model.rs index 50527b853451..eafdfd485baa 100644 --- a/tests/assembly/static-relocation-model.rs +++ b/tests/assembly/static-relocation-model.rs @@ -9,15 +9,15 @@ #![feature(no_core, lang_items)] #![no_core] -#![crate_type="rlib"] +#![crate_type = "rlib"] -#[lang="sized"] +#[lang = "sized"] trait Sized {} -#[lang="copy"] +#[lang = "copy"] trait Copy {} -#[lang="sync"] +#[lang = "sync"] trait Sync {} #[lang = "drop_in_place"] @@ -42,9 +42,7 @@ extern "C" { // A64-NEXT: ldrb {{[a-z0-9]+}}, {{\[}}[[REG]], :lo12:chaenomeles] #[no_mangle] pub fn banana() -> u8 { - unsafe { - *(chaenomeles as *mut u8) - } + unsafe { *(chaenomeles as *mut u8) } } // CHECK-LABEL: peach: @@ -53,9 +51,7 @@ pub fn banana() -> u8 { // A64-NEXT: ldrb {{[a-z0-9]+}}, {{\[}}[[REG2]], :lo12:banana] #[no_mangle] pub fn peach() -> u8 { - unsafe { - *(banana as *mut u8) - } + unsafe { *(banana as *mut u8) } } // CHECK-LABEL: mango: @@ -65,9 +61,7 @@ pub fn peach() -> u8 { // A64-NEXT: ldr {{[a-z0-9]+}}, {{\[}}[[REG2]], :lo12:EXOCHORDA] #[no_mangle] pub fn mango() -> u8 { - unsafe { - *EXOCHORDA - } + unsafe { *EXOCHORDA } } // CHECK-LABEL: orange: diff --git a/tests/assembly/thin-lto.rs b/tests/assembly/thin-lto.rs index 182115662bfd..7b67b2de1e63 100644 --- a/tests/assembly/thin-lto.rs +++ b/tests/assembly/thin-lto.rs @@ -4,5 +4,4 @@ // CHECK: main -pub fn main() { -} +pub fn main() {} diff --git a/tests/assembly/wasm_exceptions.rs b/tests/assembly/wasm_exceptions.rs index 3d3b13ff32b7..7bdf7f1287c2 100644 --- a/tests/assembly/wasm_exceptions.rs +++ b/tests/assembly/wasm_exceptions.rs @@ -8,7 +8,7 @@ #![feature(core_intrinsics)] #![feature(rustc_attrs)] -extern { +extern "C" { fn may_panic(); #[rustc_nounwind] @@ -19,7 +19,9 @@ struct LogOnDrop; impl Drop for LogOnDrop { fn drop(&mut self) { - unsafe { log_number(0); } + unsafe { + log_number(0); + } } } @@ -27,7 +29,9 @@ impl Drop for LogOnDrop { #[no_mangle] pub fn test_cleanup() { let _log_on_drop = LogOnDrop; - unsafe { may_panic(); } + unsafe { + may_panic(); + } // CHECK-NOT: call // CHECK: try @@ -41,12 +45,16 @@ pub fn test_cleanup() { #[no_mangle] pub fn test_rtry() { unsafe { - core::intrinsics::catch_unwind(|_| { - may_panic(); - }, core::ptr::null_mut(), |data, exception| { - log_number(data as usize); - log_number(exception as usize); - }); + core::intrinsics::catch_unwind( + |_| { + may_panic(); + }, + core::ptr::null_mut(), + |data, exception| { + log_number(data as usize); + log_number(exception as usize); + }, + ); } // CHECK-NOT: call diff --git a/tests/assembly/x86_64-fortanix-unknown-sgx-lvi-generic-load.rs b/tests/assembly/x86_64-fortanix-unknown-sgx-lvi-generic-load.rs index 7215e354d0dc..f5e2f18e68e4 100644 --- a/tests/assembly/x86_64-fortanix-unknown-sgx-lvi-generic-load.rs +++ b/tests/assembly/x86_64-fortanix-unknown-sgx-lvi-generic-load.rs @@ -5,7 +5,7 @@ //@ only-x86_64-fortanix-unknown-sgx #[no_mangle] -pub extern fn plus_one(r: &mut u64) { +pub extern "C" fn plus_one(r: &mut u64) { *r = *r + 1; } diff --git a/tests/assembly/x86_64-fortanix-unknown-sgx-lvi-generic-ret.rs b/tests/assembly/x86_64-fortanix-unknown-sgx-lvi-generic-ret.rs index 5ae9dd11859e..f16d68fa2554 100644 --- a/tests/assembly/x86_64-fortanix-unknown-sgx-lvi-generic-ret.rs +++ b/tests/assembly/x86_64-fortanix-unknown-sgx-lvi-generic-ret.rs @@ -5,7 +5,7 @@ //@ only-x86_64-fortanix-unknown-sgx #[no_mangle] -pub extern fn myret() {} +pub extern "C" fn myret() {} // CHECK: myret: // CHECK: popq [[REGISTER:%[a-z]+]] // CHECK-NEXT: lfence From b1b18e6031cb31b8c1a07e455e65b52eccc6305b Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 29 May 2024 13:59:52 +1000 Subject: [PATCH 0775/1716] Run rustfmt on `tests/auxiliary/`. That directory doesn't contain any Rust files, so it's a trivial change. --- rustfmt.toml | 1 - 1 file changed, 1 deletion(-) diff --git a/rustfmt.toml b/rustfmt.toml index 70d7332aafa9..f17c038899cb 100644 --- a/rustfmt.toml +++ b/rustfmt.toml @@ -14,7 +14,6 @@ ignore = [ # - some contain syntax errors that cause rustfmt to give an error # - some UI tests are broken by different formatting # - some require special comments in a particular position (e.g. `EMIT_MIR` comments) - "/tests/auxiliary/", "/tests/codegen/", "/tests/codegen-units/", "/tests/coverage/", From daeb68a579d0a0e8e3de0d1cd39c60c2d0a30a87 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Thu, 30 May 2024 09:05:03 +0200 Subject: [PATCH 0776/1716] make env/var test deterministic --- src/tools/miri/tests/pass/shims/env/var.rs | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/tools/miri/tests/pass/shims/env/var.rs b/src/tools/miri/tests/pass/shims/env/var.rs index babaf00578a7..a576c1fc8bb8 100644 --- a/src/tools/miri/tests/pass/shims/env/var.rs +++ b/src/tools/miri/tests/pass/shims/env/var.rs @@ -1,3 +1,4 @@ +//@compile-flags: -Zmiri-preemption-rate=0 use std::env; use std::thread; @@ -26,6 +27,8 @@ fn main() { println!("{:#?}", env::vars().collect::>()); // Do things concurrently, to make sure there's no data race. + // We disable preemption to make sure the lock is not contended; + // that means we don't hit e.g. the futex codepath on Android (which we don't support). let t = thread::spawn(|| { env::set_var("MIRI_TEST", "42"); }); From 5c68a15e41a4e2fe792508ec130c3659b198db3d Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Thu, 30 May 2024 09:07:06 +0200 Subject: [PATCH 0777/1716] explain what the open questions are, and add a Miri test for that --- library/core/src/ptr/mod.rs | 5 +++++ src/tools/miri/tests/pass/drop_in_place.rs | 12 ++++++++++++ 2 files changed, 17 insertions(+) create mode 100644 src/tools/miri/tests/pass/drop_in_place.rs diff --git a/library/core/src/ptr/mod.rs b/library/core/src/ptr/mod.rs index 51eb2bb4f0e0..335fc861ae86 100644 --- a/library/core/src/ptr/mod.rs +++ b/library/core/src/ptr/mod.rs @@ -452,6 +452,11 @@ mod mut_ptr; /// /// This is almost the same as calling [`ptr::read`] and discarding /// the result, but has the following advantages: +// FIXME: say something more useful than "almost the same"? +// There are open questions here: `read` requires the value to be fully valid, e.g. if `T` is a +// `bool` it must be 0 or 1, if it is a reference then it must be dereferenceable. `drop_in_place` +// only requires that `*to_drop` be "valid for dropping" and we have not defined what that means. In +// Miri it currently (May 2024) requires nothing at all for types without drop glue. /// /// * It is *required* to use `drop_in_place` to drop unsized types like /// trait objects, because they can't be read out onto the stack and diff --git a/src/tools/miri/tests/pass/drop_in_place.rs b/src/tools/miri/tests/pass/drop_in_place.rs new file mode 100644 index 000000000000..0615a43c8000 --- /dev/null +++ b/src/tools/miri/tests/pass/drop_in_place.rs @@ -0,0 +1,12 @@ +// Miri currently doesn't require types without drop glue to be +// valid when dropped. This test confirms that behavior. +// This is not a stable guarantee! + +use std::ptr; + +fn main() { + let mut not_a_bool = 13u8; + unsafe { + ptr::drop_in_place(&mut not_a_bool as *mut u8 as *mut bool) + }; +} From 280ed2b594783a3c5fc91722eb37830ab78f1f5a Mon Sep 17 00:00:00 2001 From: Philipp Krones Date: Thu, 30 May 2024 09:44:33 +0200 Subject: [PATCH 0778/1716] Bump nightly version -> 2024-05-30 --- rust-toolchain | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/rust-toolchain b/rust-toolchain index a0585ffdb45b..dd8b9ece773e 100644 --- a/rust-toolchain +++ b/rust-toolchain @@ -1,3 +1,3 @@ [toolchain] -channel = "nightly-2024-05-16" +channel = "nightly-2024-05-30" components = ["cargo", "llvm-tools", "rust-src", "rust-std", "rustc", "rustc-dev", "rustfmt"] From 00644c12ed77e6f3e5bf38d98e359d101e3f9188 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Thu, 30 May 2024 10:23:54 +0200 Subject: [PATCH 0779/1716] add a comment --- .../miri/test-cargo-miri/test-local-crate-detection/src/main.rs | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/tools/miri/test-cargo-miri/test-local-crate-detection/src/main.rs b/src/tools/miri/test-cargo-miri/test-local-crate-detection/src/main.rs index 94acf9b7b229..0991aa384607 100644 --- a/src/tools/miri/test-cargo-miri/test-local-crate-detection/src/main.rs +++ b/src/tools/miri/test-cargo-miri/test-local-crate-detection/src/main.rs @@ -1,3 +1,5 @@ fn main() { + // Make sure we detect all crates from this workspace as "local". + // The env var is set during the "build" so we can use `env!` to access it directly. println!("{}", env!("MIRI_LOCAL_CRATES")); } From f67f72695a2ac5e7a1d39383583a6abb1cf9f4ad Mon Sep 17 00:00:00 2001 From: Philipp Krones Date: Thu, 30 May 2024 10:49:05 +0200 Subject: [PATCH 0780/1716] Merge commit 'c9139bd546d9cd69df817faeab62c5f9b1a51337' into clippy-subtree-update --- book/src/configuration.md | 2 +- book/src/development/adding_lints.md | 5 + clippy_dev/src/new_lint.rs | 7 +- clippy_lints/src/absolute_paths.rs | 2 +- clippy_lints/src/allow_attributes.rs | 7 +- clippy_lints/src/as_conversions.rs | 2 +- clippy_lints/src/asm_syntax.rs | 10 +- .../src/assertions_on_result_states.rs | 20 +- clippy_lints/src/attrs/mod.rs | 6 +- clippy_lints/src/casts/mod.rs | 6 +- clippy_lints/src/create_dir.rs | 6 +- clippy_lints/src/dbg_macro.rs | 2 +- clippy_lints/src/default_numeric_fallback.rs | 5 +- .../src/default_union_representation.rs | 2 +- clippy_lints/src/dereference.rs | 14 +- clippy_lints/src/derive.rs | 31 +- clippy_lints/src/disallowed_script_idents.rs | 4 +- clippy_lints/src/doc/markdown.rs | 28 +- clippy_lints/src/doc/mod.rs | 2 +- clippy_lints/src/drop_forget_ref.rs | 7 +- clippy_lints/src/else_if_without_else.rs | 2 +- clippy_lints/src/empty_drop.rs | 2 +- clippy_lints/src/empty_enum.rs | 45 +- clippy_lints/src/empty_with_brackets.rs | 24 +- clippy_lints/src/endian_bytes.rs | 15 +- clippy_lints/src/error_impl_error.rs | 2 +- clippy_lints/src/exhaustive_items.rs | 16 +- clippy_lints/src/exit.rs | 12 +- clippy_lints/src/float_literal.rs | 6 +- clippy_lints/src/format_push_string.rs | 2 +- .../src/functions/misnamed_getters.rs | 2 +- clippy_lints/src/functions/mod.rs | 11 +- clippy_lints/src/if_then_some_else_none.rs | 2 +- clippy_lints/src/implicit_return.rs | 13 +- clippy_lints/src/indexing_slicing.rs | 7 +- clippy_lints/src/inherent_impl.rs | 2 +- clippy_lints/src/init_numbered_fields.rs | 4 +- .../src/integer_division_remainder_used.rs | 6 +- clippy_lints/src/iter_over_hash_type.rs | 4 +- clippy_lints/src/large_include_file.rs | 8 +- clippy_lints/src/let_underscore.rs | 9 +- clippy_lints/src/literal_representation.rs | 4 +- clippy_lints/src/loops/mod.rs | 6 +- clippy_lints/src/matches/mod.rs | 6 +- .../matches/significant_drop_in_scrutinee.rs | 420 ++++++++++-------- .../iter_on_single_or_empty_collections.rs | 47 +- clippy_lints/src/methods/mod.rs | 21 +- .../src/methods/unnecessary_iter_cloned.rs | 16 +- clippy_lints/src/methods/utils.rs | 16 +- clippy_lints/src/min_ident_chars.rs | 7 +- clippy_lints/src/misc_early/mod.rs | 6 +- clippy_lints/src/missing_assert_message.rs | 2 +- .../src/missing_asserts_for_indexing.rs | 2 +- clippy_lints/src/missing_doc.rs | 4 +- clippy_lints/src/missing_inline.rs | 19 +- clippy_lints/src/missing_trait_methods.rs | 10 +- .../src/mixed_read_write_in_expression.rs | 9 +- clippy_lints/src/module_style.rs | 6 +- .../src/multiple_unsafe_ops_per_block.rs | 4 +- clippy_lints/src/mutex_atomic.rs | 2 +- clippy_lints/src/needless_bool.rs | 13 +- clippy_lints/src/non_expressive_names.rs | 4 + clippy_lints/src/operators/mod.rs | 12 +- clippy_lints/src/panic_in_result_fn.rs | 4 +- clippy_lints/src/panic_unimplemented.rs | 18 +- clippy_lints/src/partial_pub_fields.rs | 9 +- clippy_lints/src/pattern_type_mismatch.rs | 5 +- clippy_lints/src/pub_use.rs | 8 +- clippy_lints/src/question_mark_used.rs | 2 +- clippy_lints/src/raw_strings.rs | 6 +- clippy_lints/src/redundant_slicing.rs | 2 +- .../src/redundant_type_annotations.rs | 2 +- clippy_lints/src/ref_patterns.rs | 4 +- clippy_lints/src/returns.rs | 34 +- clippy_lints/src/same_name_method.rs | 2 +- clippy_lints/src/semicolon_block.rs | 6 +- clippy_lints/src/shadow.rs | 26 +- clippy_lints/src/single_call_fn.rs | 19 +- .../src/single_char_lifetime_names.rs | 5 +- clippy_lints/src/std_instead_of_core.rs | 12 +- clippy_lints/src/strings.rs | 19 +- .../src/suspicious_xor_used_as_pow.rs | 4 +- clippy_lints/src/tests_outside_test_module.rs | 4 +- clippy_lints/src/types/mod.rs | 4 +- .../src/undocumented_unsafe_blocks.rs | 9 +- clippy_lints/src/unicode.rs | 2 +- clippy_lints/src/unnecessary_self_imports.rs | 2 +- clippy_lints/src/unwrap_in_result.rs | 6 +- clippy_lints/src/visibility.rs | 4 +- clippy_lints/src/write.rs | 13 +- clippy_utils/src/consts.rs | 6 +- clippy_utils/src/hir_utils.rs | 2 +- clippy_utils/src/lib.rs | 22 + clippy_utils/src/ty.rs | 6 +- rust-toolchain | 2 +- tests/ui-internal/disallow_span_lint.rs | 8 +- tests/ui-internal/disallow_span_lint.stderr | 14 +- tests/ui/derive_partial_eq_without_eq.fixed | 17 + tests/ui/derive_partial_eq_without_eq.rs | 17 + tests/ui/derive_partial_eq_without_eq.stderr | 26 +- tests/ui/doc/doc-fixable.fixed | 3 + tests/ui/doc/doc-fixable.rs | 3 + tests/ui/doc/doc-fixable.stderr | 8 +- tests/ui/doc/issue_12795.fixed | 9 + tests/ui/doc/issue_12795.rs | 9 + tests/ui/doc/issue_12795.stderr | 48 ++ tests/ui/iter_on_empty_collections.fixed | 22 + tests/ui/iter_on_empty_collections.rs | 22 + tests/ui/iter_on_empty_collections.stderr | 8 +- tests/ui/let_and_return.fixed | 34 ++ tests/ui/let_and_return.rs | 34 ++ tests/ui/let_and_return.stderr | 72 ++- tests/ui/many_single_char_names.rs | 2 - tests/ui/many_single_char_names.stderr | 10 +- tests/ui/needless_return.fixed | 4 + tests/ui/needless_return.rs | 4 + tests/ui/needless_return.stderr | 14 +- tests/ui/numbered_fields.fixed | 5 + tests/ui/numbered_fields.rs | 5 + tests/ui/numbered_fields.stderr | 8 +- tests/ui/significant_drop_in_scrutinee.rs | 98 +++- tests/ui/significant_drop_in_scrutinee.stderr | 220 ++++----- tests/ui/unnecessary_iter_cloned.fixed | 29 ++ tests/ui/unnecessary_iter_cloned.rs | 29 ++ tests/ui/unnecessary_iter_cloned.stderr | 44 +- tests/ui/unnecessary_to_owned.stderr | 2 +- tests/ui/unsafe_derive_deserialize.rs | 11 + tests/ui/unsafe_derive_deserialize.stderr | 8 +- 128 files changed, 1430 insertions(+), 684 deletions(-) create mode 100644 tests/ui/doc/issue_12795.fixed create mode 100644 tests/ui/doc/issue_12795.rs create mode 100644 tests/ui/doc/issue_12795.stderr diff --git a/book/src/configuration.md b/book/src/configuration.md index 9eb067abd91e..ea549e4df4a5 100644 --- a/book/src/configuration.md +++ b/book/src/configuration.md @@ -133,7 +133,7 @@ Very rarely, you may wish to prevent Clippy from evaluating certain sections of `clippy` cfg is not set. You may need to provide a stub so that the code compiles: ```rust -#[cfg(not(clippy)] +#[cfg(not(clippy))] include!(concat!(env!("OUT_DIR"), "/my_big_function-generated.rs")); #[cfg(clippy)] diff --git a/book/src/development/adding_lints.md b/book/src/development/adding_lints.md index 415022612caa..48c00bcbf341 100644 --- a/book/src/development/adding_lints.md +++ b/book/src/development/adding_lints.md @@ -587,6 +587,11 @@ declare_clippy_lint! { } ``` +If the lint is in the `restriction` group because it lints things that are not +necessarily “bad” but are more of a style choice, then replace the +“Why is this bad?” section heading with “Why restrict this?”, to avoid writing +“Why is this bad? It isn't, but ...”. + Once your lint is merged, this documentation will show up in the [lint list][lint_list]. diff --git a/clippy_dev/src/new_lint.rs b/clippy_dev/src/new_lint.rs index b6481dde4dde..2e56eb8ec15f 100644 --- a/clippy_dev/src/new_lint.rs +++ b/clippy_dev/src/new_lint.rs @@ -331,12 +331,17 @@ fn get_lint_file_contents(lint: &LintData<'_>, enable_msrv: bool) -> String { } fn get_lint_declaration(name_upper: &str, category: &str) -> String { + let justification_heading = if category == "restriction" { + "Why restrict this?" + } else { + "Why is this bad?" + }; formatdoc!( r#" declare_clippy_lint! {{ /// ### What it does /// - /// ### Why is this bad? + /// ### {justification_heading} /// /// ### Example /// ```no_run diff --git a/clippy_lints/src/absolute_paths.rs b/clippy_lints/src/absolute_paths.rs index 8ba661afeeb6..461117cf965d 100644 --- a/clippy_lints/src/absolute_paths.rs +++ b/clippy_lints/src/absolute_paths.rs @@ -12,7 +12,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for usage of items through absolute paths, like `std::env::current_dir`. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Many codebases have their own style when it comes to importing, but one that is seldom used /// is using absolute paths *everywhere*. This is generally considered unidiomatic, and you /// should add a `use` statement. diff --git a/clippy_lints/src/allow_attributes.rs b/clippy_lints/src/allow_attributes.rs index 39fc49dee377..123d0e51eeee 100644 --- a/clippy_lints/src/allow_attributes.rs +++ b/clippy_lints/src/allow_attributes.rs @@ -19,10 +19,11 @@ declare_clippy_lint! { /// This lint only warns outer attributes (`#[allow]`), as inner attributes /// (`#![allow]`) are usually used to enable or disable lints on a global scale. /// - /// ### Why is this bad? - /// `#[expect]` attributes suppress the lint emission, but emit a warning, if + /// ### Why restrict this? + /// `#[allow]` attributes can linger after their reason for existence is gone. + /// `#[expect]` attributes suppress the lint emission, but emit a warning if /// the expectation is unfulfilled. This can be useful to be notified when the - /// lint is no longer triggered. + /// lint is no longer triggered, which may indicate the attribute can be removed. /// /// ### Example /// ```rust,ignore diff --git a/clippy_lints/src/as_conversions.rs b/clippy_lints/src/as_conversions.rs index e3daf75c3eb6..cfa25005a05e 100644 --- a/clippy_lints/src/as_conversions.rs +++ b/clippy_lints/src/as_conversions.rs @@ -17,7 +17,7 @@ declare_clippy_lint! { /// There is a good explanation the reason why this lint should work in this way and how it is useful /// [in this issue](https://github.com/rust-lang/rust-clippy/issues/5122). /// - /// ### Why is this bad? + /// ### Why restrict this? /// `as` conversions will perform many kinds of /// conversions, including silently lossy conversions and dangerous coercions. /// There are cases when it makes sense to use `as`, so the lint is diff --git a/clippy_lints/src/asm_syntax.rs b/clippy_lints/src/asm_syntax.rs index 7c88bfc97ca4..0db1456d40bf 100644 --- a/clippy_lints/src/asm_syntax.rs +++ b/clippy_lints/src/asm_syntax.rs @@ -65,9 +65,8 @@ declare_clippy_lint! { /// ### What it does /// Checks for usage of Intel x86 assembly syntax. /// - /// ### Why is this bad? - /// The lint has been enabled to indicate a preference - /// for AT&T x86 assembly syntax. + /// ### Why restrict this? + /// To enforce consistent use of AT&T x86 assembly syntax. /// /// ### Example /// @@ -114,9 +113,8 @@ declare_clippy_lint! { /// ### What it does /// Checks for usage of AT&T x86 assembly syntax. /// - /// ### Why is this bad? - /// The lint has been enabled to indicate a preference - /// for Intel x86 assembly syntax. + /// ### Why restrict this? + /// To enforce consistent use of Intel x86 assembly syntax. /// /// ### Example /// diff --git a/clippy_lints/src/assertions_on_result_states.rs b/clippy_lints/src/assertions_on_result_states.rs index aec22965b1b0..7217686dcca5 100644 --- a/clippy_lints/src/assertions_on_result_states.rs +++ b/clippy_lints/src/assertions_on_result_states.rs @@ -16,23 +16,33 @@ declare_clippy_lint! { /// ### What it does /// Checks for `assert!(r.is_ok())` or `assert!(r.is_err())` calls. /// - /// ### Why is this bad? - /// An assertion failure cannot output an useful message of the error. + /// ### Why restrict this? + /// This form of assertion does not show any of the information present in the `Result` + /// other than which variant it isn’t. /// /// ### Known problems /// The suggested replacement decreases the readability of code and log output. /// /// ### Example - /// ```rust,ignore + /// ```rust,no_run /// # let r = Ok::<_, ()>(()); /// assert!(r.is_ok()); - /// # let r = Err::<_, ()>(()); + /// # let r = Err::<(), _>(()); /// assert!(r.is_err()); /// ``` + /// + /// Use instead: + /// + /// ```rust,no_run + /// # let r = Ok::<_, ()>(()); + /// r.unwrap(); + /// # let r = Err::<(), _>(()); + /// r.unwrap_err(); + /// ``` #[clippy::version = "1.64.0"] pub ASSERTIONS_ON_RESULT_STATES, restriction, - "`assert!(r.is_ok())`/`assert!(r.is_err())` gives worse error message than directly calling `r.unwrap()`/`r.unwrap_err()`" + "`assert!(r.is_ok())` or `assert!(r.is_err())` gives worse panic messages than directly calling `r.unwrap()` or `r.unwrap_err()`" } declare_lint_pass!(AssertionsOnResultStates => [ASSERTIONS_ON_RESULT_STATES]); diff --git a/clippy_lints/src/attrs/mod.rs b/clippy_lints/src/attrs/mod.rs index 39f406077995..a24bd5ed44be 100644 --- a/clippy_lints/src/attrs/mod.rs +++ b/clippy_lints/src/attrs/mod.rs @@ -309,9 +309,9 @@ declare_clippy_lint! { /// /// (This requires the `lint_reasons` feature) /// - /// ### Why is this bad? - /// Allowing a lint should always have a reason. This reason should be documented to - /// ensure that others understand the reasoning + /// ### Why restrict this? + /// Justifying each `allow` helps readers understand the reasoning, + /// and may allow removing `allow` attributes if their purpose is obsolete. /// /// ### Example /// ```no_run diff --git a/clippy_lints/src/casts/mod.rs b/clippy_lints/src/casts/mod.rs index bd2c96f01f6f..e60c36ced75d 100644 --- a/clippy_lints/src/casts/mod.rs +++ b/clippy_lints/src/casts/mod.rs @@ -303,7 +303,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for casts of a function pointer to any integer type. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Casting a function pointer to an integer can have surprising results and can occur /// accidentally if parentheses are omitted from a function call. If you aren't doing anything /// low-level with function pointers then you can opt-out of casting functions to integers in @@ -535,8 +535,8 @@ declare_clippy_lint! { /// ### What it does /// Checks for the usage of `as _` conversion using inferred type. /// - /// ### Why is this bad? - /// The conversion might include lossy conversion and dangerous cast that might go + /// ### Why restrict this? + /// The conversion might include lossy conversion or a dangerous cast that might go /// undetected due to the type being inferred. /// /// The lint is allowed by default as using `_` is less wordy than always specifying the type. diff --git a/clippy_lints/src/create_dir.rs b/clippy_lints/src/create_dir.rs index 7a3d5a070912..27c00948a8f2 100644 --- a/clippy_lints/src/create_dir.rs +++ b/clippy_lints/src/create_dir.rs @@ -10,8 +10,10 @@ declare_clippy_lint! { /// ### What it does /// Checks usage of `std::fs::create_dir` and suggest using `std::fs::create_dir_all` instead. /// - /// ### Why is this bad? - /// Sometimes `std::fs::create_dir` is mistakenly chosen over `std::fs::create_dir_all`. + /// ### Why restrict this? + /// Sometimes `std::fs::create_dir` is mistakenly chosen over `std::fs::create_dir_all`, + /// resulting in failure when more than one directory needs to be created or when the directory already exists. + /// Crates which never need to specifically create a single directory may wish to prevent this mistake. /// /// ### Example /// ```rust,ignore diff --git a/clippy_lints/src/dbg_macro.rs b/clippy_lints/src/dbg_macro.rs index db5937266047..b0590b0a71cb 100644 --- a/clippy_lints/src/dbg_macro.rs +++ b/clippy_lints/src/dbg_macro.rs @@ -14,7 +14,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for usage of the [`dbg!`](https://doc.rust-lang.org/std/macro.dbg.html) macro. /// - /// ### Why is this bad? + /// ### Why restrict this? /// The `dbg!` macro is intended as a debugging tool. It should not be present in released /// software or committed to a version control system. /// diff --git a/clippy_lints/src/default_numeric_fallback.rs b/clippy_lints/src/default_numeric_fallback.rs index 1d6c4ce72e18..fbc4ede37b1c 100644 --- a/clippy_lints/src/default_numeric_fallback.rs +++ b/clippy_lints/src/default_numeric_fallback.rs @@ -22,9 +22,8 @@ declare_clippy_lint! { /// /// See [RFC0212](https://github.com/rust-lang/rfcs/blob/master/text/0212-restore-int-fallback.md) for more information about the fallback. /// - /// ### Why is this bad? - /// For those who are very careful about types, default numeric fallback - /// can be a pitfall that cause unexpected runtime behavior. + /// ### Why restrict this? + /// To ensure that every numeric type is chosen explicitly rather than implicitly. /// /// ### Known problems /// This lint can only be allowed at the function level or above. diff --git a/clippy_lints/src/default_union_representation.rs b/clippy_lints/src/default_union_representation.rs index b4290b6437f2..3fa9bad0d03d 100644 --- a/clippy_lints/src/default_union_representation.rs +++ b/clippy_lints/src/default_union_representation.rs @@ -10,7 +10,7 @@ declare_clippy_lint! { /// ### What it does /// Displays a warning when a union is declared with the default representation (without a `#[repr(C)]` attribute). /// - /// ### Why is this bad? + /// ### Why restrict this? /// Unions in Rust have unspecified layout by default, despite many people thinking that they /// lay out each field at the start of the union (like C does). That is, there are no guarantees /// about the offset of the fields for unions with multiple non-ZST fields without an explicitly diff --git a/clippy_lints/src/dereference.rs b/clippy_lints/src/dereference.rs index c6aef9ac2d60..0276c64ef9b7 100644 --- a/clippy_lints/src/dereference.rs +++ b/clippy_lints/src/dereference.rs @@ -2,7 +2,9 @@ use clippy_utils::diagnostics::{span_lint_and_sugg, span_lint_hir_and_then}; use clippy_utils::source::{snippet_with_applicability, snippet_with_context}; use clippy_utils::sugg::has_enclosing_paren; use clippy_utils::ty::{implements_trait, is_manually_drop, peel_mid_ty_refs}; -use clippy_utils::{expr_use_ctxt, get_parent_expr, is_lint_allowed, path_to_local, DefinedTy, ExprUseNode}; +use clippy_utils::{ + expr_use_ctxt, get_parent_expr, is_block_like, is_lint_allowed, path_to_local, DefinedTy, ExprUseNode, +}; use core::mem; use rustc_ast::util::parser::{PREC_POSTFIX, PREC_PREFIX}; use rustc_data_structures::fx::FxIndexMap; @@ -1038,14 +1040,8 @@ fn report<'tcx>( ); }, State::ExplicitDeref { mutability } => { - if matches!( - expr.kind, - ExprKind::Block(..) - | ExprKind::ConstBlock(_) - | ExprKind::If(..) - | ExprKind::Loop(..) - | ExprKind::Match(..) - ) && let ty::Ref(_, ty, _) = data.adjusted_ty.kind() + if is_block_like(expr) + && let ty::Ref(_, ty, _) = data.adjusted_ty.kind() && ty.is_sized(cx.tcx, cx.param_env) { // Rustc bug: auto deref doesn't work on block expression when targeting sized types. diff --git a/clippy_lints/src/derive.rs b/clippy_lints/src/derive.rs index 2a644922fb1c..636698e96f6d 100644 --- a/clippy_lints/src/derive.rs +++ b/clippy_lints/src/derive.rs @@ -1,17 +1,17 @@ -use clippy_utils::diagnostics::{span_lint_and_help, span_lint_and_note, span_lint_and_sugg, span_lint_and_then}; +use clippy_utils::diagnostics::{span_lint_and_note, span_lint_and_then, span_lint_hir_and_then}; use clippy_utils::ty::{implements_trait, implements_trait_with_env, is_copy}; use clippy_utils::{has_non_exhaustive_attr, is_lint_allowed, match_def_path, paths}; use rustc_errors::Applicability; use rustc_hir::def_id::DefId; use rustc_hir::intravisit::{walk_expr, walk_fn, walk_item, FnKind, Visitor}; use rustc_hir::{ - self as hir, BlockCheckMode, BodyId, Expr, ExprKind, FnDecl, Safety, Impl, Item, ItemKind, UnsafeSource, + self as hir, BlockCheckMode, BodyId, Expr, ExprKind, FnDecl, Impl, Item, ItemKind, Safety, UnsafeSource, }; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::hir::nested_filter; use rustc_middle::traits::Reveal; use rustc_middle::ty::{ - self, ClauseKind, GenericArgKind, GenericParamDefKind, ParamEnv, Upcast, TraitPredicate, Ty, TyCtxt, + self, ClauseKind, GenericArgKind, GenericParamDefKind, ParamEnv, TraitPredicate, Ty, TyCtxt, Upcast, }; use rustc_session::declare_lint_pass; use rustc_span::def_id::LocalDefId; @@ -390,13 +390,17 @@ fn check_unsafe_derive_deserialize<'tcx>( .map(|imp_did| cx.tcx.hir().expect_item(imp_did.expect_local())) .any(|imp| has_unsafe(cx, imp)) { - span_lint_and_help( + span_lint_hir_and_then( cx, UNSAFE_DERIVE_DESERIALIZE, + adt_hir_id, item.span, "you are deriving `serde::Deserialize` on a type that has methods using `unsafe`", - None, - "consider implementing `serde::Deserialize` manually. See https://serde.rs/impl-deserialize.html", + |diag| { + diag.help( + "consider implementing `serde::Deserialize` manually. See https://serde.rs/impl-deserialize.html", + ); + }, ); } } @@ -452,20 +456,27 @@ fn check_partial_eq_without_eq<'tcx>(cx: &LateContext<'tcx>, span: Span, trait_r && !has_non_exhaustive_attr(cx.tcx, *adt) && !ty_implements_eq_trait(cx.tcx, ty, eq_trait_def_id) && let param_env = param_env_for_derived_eq(cx.tcx, adt.did(), eq_trait_def_id) + && let Some(local_def_id) = adt.did().as_local() // If all of our fields implement `Eq`, we can implement `Eq` too && adt .all_fields() .map(|f| f.ty(cx.tcx, args)) .all(|ty| implements_trait_with_env(cx.tcx, param_env, ty, eq_trait_def_id, None, &[])) { - span_lint_and_sugg( + span_lint_hir_and_then( cx, DERIVE_PARTIAL_EQ_WITHOUT_EQ, + cx.tcx.local_def_id_to_hir_id(local_def_id), span.ctxt().outer_expn_data().call_site, "you are deriving `PartialEq` and can implement `Eq`", - "consider deriving `Eq` as well", - "PartialEq, Eq".to_string(), - Applicability::MachineApplicable, + |diag| { + diag.span_suggestion( + span.ctxt().outer_expn_data().call_site, + "consider deriving `Eq` as well", + "PartialEq, Eq", + Applicability::MachineApplicable, + ); + }, ); } } diff --git a/clippy_lints/src/disallowed_script_idents.rs b/clippy_lints/src/disallowed_script_idents.rs index def4b5932b4b..a995f06fb73d 100644 --- a/clippy_lints/src/disallowed_script_idents.rs +++ b/clippy_lints/src/disallowed_script_idents.rs @@ -20,11 +20,11 @@ declare_clippy_lint! { /// [aliases]: http://www.unicode.org/reports/tr24/tr24-31.html#Script_Value_Aliases /// [supported_scripts]: https://www.unicode.org/iso15924/iso15924-codes.html /// - /// ### Why is this bad? + /// ### Why restrict this? /// It may be not desired to have many different scripts for /// identifiers in the codebase. /// - /// Note that if you only want to allow plain English, you might want to use + /// Note that if you only want to allow typical English, you might want to use /// built-in [`non_ascii_idents`] lint instead. /// /// [`non_ascii_idents`]: https://doc.rust-lang.org/rustc/lints/listing/allowed-by-default.html#non-ascii-idents diff --git a/clippy_lints/src/doc/markdown.rs b/clippy_lints/src/doc/markdown.rs index 1add02af3101..41c0bcd55adc 100644 --- a/clippy_lints/src/doc/markdown.rs +++ b/clippy_lints/src/doc/markdown.rs @@ -1,4 +1,4 @@ -use clippy_utils::diagnostics::{span_lint, span_lint_and_then}; +use clippy_utils::diagnostics::{span_lint_and_sugg, span_lint_and_then}; use clippy_utils::source::snippet_with_applicability; use rustc_data_structures::fx::FxHashSet; use rustc_errors::{Applicability, SuggestionStyle}; @@ -30,6 +30,7 @@ pub fn check( word = tmp_word; } + let original_len = word.len(); word = word.trim_start_matches(trim_pattern); // Remove leading or trailing single `:` which may be part of a sentence. @@ -44,6 +45,25 @@ pub fn check( continue; } + // Ensure that all reachable matching closing parens are included as well. + let size_diff = original_len - word.len(); + let mut open_parens = 0; + let mut close_parens = 0; + for c in word.chars() { + if c == '(' { + open_parens += 1; + } else if c == ')' { + close_parens += 1; + } + } + while close_parens < open_parens + && let Some(tmp_word) = orig_word.get(size_diff..=(word.len() + size_diff)) + && tmp_word.ends_with(')') + { + word = tmp_word; + close_parens += 1; + } + // Adjust for the current word let offset = word.as_ptr() as usize - text.as_ptr() as usize; let span = Span::new( @@ -92,13 +112,15 @@ fn check_word(cx: &LateContext<'_>, word: &str, span: Span, code_level: isize, b if let Ok(url) = Url::parse(word) { // try to get around the fact that `foo::bar` parses as a valid URL if !url.cannot_be_a_base() { - span_lint( + span_lint_and_sugg( cx, DOC_MARKDOWN, span, "you should put bare URLs between `<`/`>` or make a proper Markdown link", + "try", + format!("<{word}>"), + Applicability::MachineApplicable, ); - return; } } diff --git a/clippy_lints/src/doc/mod.rs b/clippy_lints/src/doc/mod.rs index 9f08973948a3..3d875e7ac2d3 100644 --- a/clippy_lints/src/doc/mod.rs +++ b/clippy_lints/src/doc/mod.rs @@ -261,7 +261,7 @@ declare_clippy_lint! { /// Checks for the doc comments of publicly visible /// safe functions and traits and warns if there is a `# Safety` section. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Safe functions and traits are safe to implement and therefore do not /// need to describe safety preconditions that users are required to uphold. /// diff --git a/clippy_lints/src/drop_forget_ref.rs b/clippy_lints/src/drop_forget_ref.rs index 119473c2454b..4a6ffcd9a788 100644 --- a/clippy_lints/src/drop_forget_ref.rs +++ b/clippy_lints/src/drop_forget_ref.rs @@ -52,9 +52,10 @@ declare_clippy_lint! { /// Checks for usage of `std::mem::forget(t)` where `t` is /// `Drop` or has a field that implements `Drop`. /// - /// ### Why is this bad? - /// `std::mem::forget(t)` prevents `t` from running its - /// destructor, possibly causing leaks. + /// ### Why restrict this? + /// `std::mem::forget(t)` prevents `t` from running its destructor, possibly causing leaks. + /// It is not possible to detect all means of creating leaks, but it may be desirable to + /// prohibit the simple ones. /// /// ### Example /// ```no_run diff --git a/clippy_lints/src/else_if_without_else.rs b/clippy_lints/src/else_if_without_else.rs index a6ca7fe9e0bb..bb6f9aac2236 100644 --- a/clippy_lints/src/else_if_without_else.rs +++ b/clippy_lints/src/else_if_without_else.rs @@ -11,7 +11,7 @@ declare_clippy_lint! { /// Checks for usage of if expressions with an `else if` branch, /// but without a final `else` branch. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Some coding guidelines require this (e.g., MISRA-C:2004 Rule 14.10). /// /// ### Example diff --git a/clippy_lints/src/empty_drop.rs b/clippy_lints/src/empty_drop.rs index 74db250b3ae9..c5fc72b5e2d8 100644 --- a/clippy_lints/src/empty_drop.rs +++ b/clippy_lints/src/empty_drop.rs @@ -9,7 +9,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for empty `Drop` implementations. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Empty `Drop` implementations have no effect when dropping an instance of the type. They are /// most likely useless. However, an empty `Drop` implementation prevents a type from being /// destructured, which might be the intention behind adding the implementation as a marker. diff --git a/clippy_lints/src/empty_enum.rs b/clippy_lints/src/empty_enum.rs index 420888b6ccb3..d16714695cb7 100644 --- a/clippy_lints/src/empty_enum.rs +++ b/clippy_lints/src/empty_enum.rs @@ -7,32 +7,53 @@ use rustc_session::declare_lint_pass; declare_clippy_lint! { /// ### What it does - /// Checks for `enum`s with no variants. + /// Checks for `enum`s with no variants, which therefore are uninhabited types + /// (cannot be instantiated). /// - /// As of this writing, the `never_type` is still a - /// nightly-only experimental API. Therefore, this lint is only triggered - /// if the `never_type` is enabled. + /// As of this writing, the `never_type` is still a nightly-only experimental API. + /// Therefore, this lint is only triggered if `#![feature(never_type)]` is enabled. /// /// ### Why is this bad? - /// If you want to introduce a type which - /// can't be instantiated, you should use `!` (the primitive type "never"), - /// or a wrapper around it, because `!` has more extensive - /// compiler support (type inference, etc...) and wrappers - /// around it are the conventional way to define an uninhabited type. - /// For further information visit [never type documentation](https://doc.rust-lang.org/std/primitive.never.html) + /// * If you only want a type which can’t be instantiated, you should use [`!`] + /// (the primitive type "never"), because [`!`] has more extensive compiler support + /// (type inference, etc.) and implementations of common traits. /// + /// * If you need to introduce a distinct type, consider using a [newtype] `struct` + /// containing [`!`] instead (`struct MyType(pub !)`), because it is more idiomatic + /// to use a `struct` rather than an `enum` when an `enum` is unnecessary. + /// + /// If you do this, note that the [visibility] of the [`!`] field determines whether + /// the uninhabitedness is visible in documentation, and whether it can be pattern + /// matched to mark code unreachable. If the field is not visible, then the struct + /// acts like any other struct with private fields. + /// + /// * If the enum has no variants only because all variants happen to be + /// [disabled by conditional compilation][cfg], then it would be appropriate + /// to allow the lint, with `#[allow(empty_enum)]`. + /// + /// For further information, visit + /// [the never type’s documentation][`!`]. /// /// ### Example /// ```no_run - /// enum Test {} + /// enum CannotExist {} /// ``` /// /// Use instead: /// ```no_run /// #![feature(never_type)] /// - /// struct Test(!); + /// /// Use the `!` type directly... + /// type CannotExist = !; + /// + /// /// ...or define a newtype which is distinct. + /// struct CannotExist2(pub !); /// ``` + /// + /// [`!`]: https://doc.rust-lang.org/std/primitive.never.html + /// [cfg]: https://doc.rust-lang.org/reference/conditional-compilation.html + /// [newtype]: https://doc.rust-lang.org/book/ch19-04-advanced-types.html#using-the-newtype-pattern-for-type-safety-and-abstraction + /// [visibility]: https://doc.rust-lang.org/reference/visibility-and-privacy.html #[clippy::version = "pre 1.29.0"] pub EMPTY_ENUM, pedantic, diff --git a/clippy_lints/src/empty_with_brackets.rs b/clippy_lints/src/empty_with_brackets.rs index 969df6d85b5a..745599b0e57a 100644 --- a/clippy_lints/src/empty_with_brackets.rs +++ b/clippy_lints/src/empty_with_brackets.rs @@ -11,16 +11,23 @@ declare_clippy_lint! { /// ### What it does /// Finds structs without fields (a so-called "empty struct") that are declared with brackets. /// - /// ### Why is this bad? - /// Empty brackets after a struct declaration can be omitted. + /// ### Why restrict this? + /// Empty brackets after a struct declaration can be omitted, + /// and it may be desirable to do so consistently for style. + /// + /// However, removing the brackets also introduces a public constant named after the struct, + /// so this is not just a syntactic simplification but an an API change, and adding them back + /// is a *breaking* API change. /// /// ### Example /// ```no_run /// struct Cookie {} + /// struct Biscuit(); /// ``` /// Use instead: /// ```no_run /// struct Cookie; + /// struct Biscuit; /// ``` #[clippy::version = "1.62.0"] pub EMPTY_STRUCTS_WITH_BRACKETS, @@ -32,14 +39,20 @@ declare_clippy_lint! { /// ### What it does /// Finds enum variants without fields that are declared with empty brackets. /// - /// ### Why is this bad? - /// Empty brackets while defining enum variants are redundant and can be omitted. + /// ### Why restrict this? + /// Empty brackets after a enum variant declaration are redundant and can be omitted, + /// and it may be desirable to do so consistently for style. + /// + /// However, removing the brackets also introduces a public constant named after the variant, + /// so this is not just a syntactic simplification but an an API change, and adding them back + /// is a *breaking* API change. /// /// ### Example /// ```no_run /// enum MyEnum { /// HasData(u8), - /// HasNoData(), // redundant parentheses + /// HasNoData(), // redundant parentheses + /// NoneHereEither {}, // redundant braces /// } /// ``` /// @@ -48,6 +61,7 @@ declare_clippy_lint! { /// enum MyEnum { /// HasData(u8), /// HasNoData, + /// NoneHereEither, /// } /// ``` #[clippy::version = "1.77.0"] diff --git a/clippy_lints/src/endian_bytes.rs b/clippy_lints/src/endian_bytes.rs index dd03df797de3..bb766e963387 100644 --- a/clippy_lints/src/endian_bytes.rs +++ b/clippy_lints/src/endian_bytes.rs @@ -13,8 +13,9 @@ declare_clippy_lint! { /// ### What it does /// Checks for the usage of the `to_ne_bytes` method and/or the function `from_ne_bytes`. /// - /// ### Why is this bad? - /// It's not, but some may prefer to specify the target endianness explicitly. + /// ### Why restrict this? + /// To ensure use of explicitly chosen endianness rather than the target’s endianness, + /// such as when implementing network protocols or file formats rather than FFI. /// /// ### Example /// ```rust,ignore @@ -31,9 +32,8 @@ declare_clippy_lint! { /// ### What it does /// Checks for the usage of the `to_le_bytes` method and/or the function `from_le_bytes`. /// - /// ### Why is this bad? - /// It's not, but some may wish to lint usage of this method, either to suggest using the host - /// endianness or big endian. + /// ### Why restrict this? + /// To ensure use of big endian or the target’s endianness rather than little endian. /// /// ### Example /// ```rust,ignore @@ -50,9 +50,8 @@ declare_clippy_lint! { /// ### What it does /// Checks for the usage of the `to_be_bytes` method and/or the function `from_be_bytes`. /// - /// ### Why is this bad? - /// It's not, but some may wish to lint usage of this method, either to suggest using the host - /// endianness or little endian. + /// ### Why restrict this? + /// To ensure use of little endian or the target’s endianness rather than big endian. /// /// ### Example /// ```rust,ignore diff --git a/clippy_lints/src/error_impl_error.rs b/clippy_lints/src/error_impl_error.rs index 8dbb47fadc5d..8e49138cd26b 100644 --- a/clippy_lints/src/error_impl_error.rs +++ b/clippy_lints/src/error_impl_error.rs @@ -12,7 +12,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for types named `Error` that implement `Error`. /// - /// ### Why is this bad? + /// ### Why restrict this? /// It can become confusing when a codebase has 20 types all named `Error`, requiring either /// aliasing them in the `use` statement or qualifying them like `my_module::Error`. This /// hinders comprehension, as it requires you to memorize every variation of importing `Error` diff --git a/clippy_lints/src/exhaustive_items.rs b/clippy_lints/src/exhaustive_items.rs index 9ffda6457424..436dc8611bde 100644 --- a/clippy_lints/src/exhaustive_items.rs +++ b/clippy_lints/src/exhaustive_items.rs @@ -10,10 +10,10 @@ declare_clippy_lint! { /// ### What it does /// Warns on any exported `enum`s that are not tagged `#[non_exhaustive]` /// - /// ### Why is this bad? - /// Exhaustive enums are typically fine, but a project which does - /// not wish to make a stability commitment around exported enums may wish to - /// disable them by default. + /// ### Why restrict this? + /// Making an `enum` exhaustive is a stability commitment: adding a variant is a breaking change. + /// A project may wish to ensure that there are no exhaustive enums or that every exhaustive + /// `enum` is explicitly `#[allow]`ed. /// /// ### Example /// ```no_run @@ -40,10 +40,10 @@ declare_clippy_lint! { /// ### What it does /// Warns on any exported `struct`s that are not tagged `#[non_exhaustive]` /// - /// ### Why is this bad? - /// Exhaustive structs are typically fine, but a project which does - /// not wish to make a stability commitment around exported structs may wish to - /// disable them by default. + /// ### Why restrict this? + /// Making a `struct` exhaustive is a stability commitment: adding a field is a breaking change. + /// A project may wish to ensure that there are no exhaustive structs or that every exhaustive + /// `struct` is explicitly `#[allow]`ed. /// /// ### Example /// ```no_run diff --git a/clippy_lints/src/exit.rs b/clippy_lints/src/exit.rs index 106844dd4348..91c94d66458d 100644 --- a/clippy_lints/src/exit.rs +++ b/clippy_lints/src/exit.rs @@ -9,11 +9,13 @@ declare_clippy_lint! { /// ### What it does /// Detects calls to the `exit()` function which terminates the program. /// - /// ### Why is this bad? - /// Exit terminates the program at the location it is called. For unrecoverable - /// errors `panics` should be used to provide a stacktrace and potentially other - /// information. A normal termination or one with an error code should happen in - /// the main function. + /// ### Why restrict this? + /// `exit()` immediately terminates the program with no information other than an exit code. + /// This provides no means to troubleshoot a problem, and may be an unexpected side effect. + /// + /// Codebases may use this lint to require that all exits are performed either by panicking + /// (which produces a message, a code location, and optionally a backtrace) + /// or by returning from `main()` (which is a single place to look). /// /// ### Example /// ```no_run diff --git a/clippy_lints/src/float_literal.rs b/clippy_lints/src/float_literal.rs index 2cd4e9e99a56..4ec9bd757ff4 100644 --- a/clippy_lints/src/float_literal.rs +++ b/clippy_lints/src/float_literal.rs @@ -38,9 +38,9 @@ declare_clippy_lint! { /// Checks for whole number float literals that /// cannot be represented as the underlying type without loss. /// - /// ### Why is this bad? - /// Rust will silently lose precision during - /// conversion to a float. + /// ### Why restrict this? + /// If the value was intended to be exact, it will not be. + /// This may be especially surprising when the lost precision is to the left of the decimal point. /// /// ### Example /// ```no_run diff --git a/clippy_lints/src/format_push_string.rs b/clippy_lints/src/format_push_string.rs index 2b08437d8271..a75538dd329b 100644 --- a/clippy_lints/src/format_push_string.rs +++ b/clippy_lints/src/format_push_string.rs @@ -11,7 +11,7 @@ declare_clippy_lint! { /// Detects cases where the result of a `format!` call is /// appended to an existing `String`. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Introduces an extra, avoidable heap allocation. /// /// ### Known problems diff --git a/clippy_lints/src/functions/misnamed_getters.rs b/clippy_lints/src/functions/misnamed_getters.rs index 7729c556e1fc..2cbc4b072341 100644 --- a/clippy_lints/src/functions/misnamed_getters.rs +++ b/clippy_lints/src/functions/misnamed_getters.rs @@ -2,7 +2,7 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::source::snippet; use rustc_errors::Applicability; use rustc_hir::intravisit::FnKind; -use rustc_hir::{Body, ExprKind, FnDecl, Safety, ImplicitSelfKind}; +use rustc_hir::{Body, ExprKind, FnDecl, ImplicitSelfKind, Safety}; use rustc_lint::LateContext; use rustc_middle::ty; use rustc_span::Span; diff --git a/clippy_lints/src/functions/mod.rs b/clippy_lints/src/functions/mod.rs index dfcaac9abefc..26534492dddd 100644 --- a/clippy_lints/src/functions/mod.rs +++ b/clippy_lints/src/functions/mod.rs @@ -338,8 +338,10 @@ declare_clippy_lint! { declare_clippy_lint! { /// ### What it does /// Lints when `impl Trait` is being used in a function's parameters. - /// ### Why is this bad? - /// Turbofish syntax (`::<>`) cannot be used when `impl Trait` is being used, making `impl Trait` less powerful. Readability may also be a factor. + /// + /// ### Why restrict this? + /// Turbofish syntax (`::<>`) cannot be used to specify the type of an `impl Trait` parameter, + /// making `impl Trait` less powerful. Readability may also be a factor. /// /// ### Example /// ```no_run @@ -366,9 +368,8 @@ declare_clippy_lint! { /// Lints when the name of function parameters from trait impl is /// different than its default implementation. /// - /// ### Why is this bad? - /// Using the default name for parameters of a trait method is often - /// more desirable for consistency's sake. + /// ### Why restrict this? + /// Using the default name for parameters of a trait method is more consistent. /// /// ### Example /// ```rust diff --git a/clippy_lints/src/if_then_some_else_none.rs b/clippy_lints/src/if_then_some_else_none.rs index f5ba62ae432e..0b2008152198 100644 --- a/clippy_lints/src/if_then_some_else_none.rs +++ b/clippy_lints/src/if_then_some_else_none.rs @@ -15,7 +15,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for if-else that could be written using either `bool::then` or `bool::then_some`. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Looks a little redundant. Using `bool::then` is more concise and incurs no loss of clarity. /// For simple calculations and known values, use `bool::then_some`, which is eagerly evaluated /// in comparison to `bool::then`. diff --git a/clippy_lints/src/implicit_return.rs b/clippy_lints/src/implicit_return.rs index 5288efd8df8c..cc342007ec61 100644 --- a/clippy_lints/src/implicit_return.rs +++ b/clippy_lints/src/implicit_return.rs @@ -16,12 +16,13 @@ declare_clippy_lint! { /// ### What it does /// Checks for missing return statements at the end of a block. /// - /// ### Why is this bad? - /// Actually omitting the return keyword is idiomatic Rust code. Programmers - /// coming from other languages might prefer the expressiveness of `return`. It's possible to miss - /// the last returning statement because the only difference is a missing `;`. Especially in bigger - /// code with multiple return paths having a `return` keyword makes it easier to find the - /// corresponding statements. + /// ### Why restrict this? + /// Omitting the return keyword whenever possible is idiomatic Rust code, but: + /// + /// * Programmers coming from other languages might prefer the expressiveness of `return`. + /// * It's possible to miss the last returning statement because the only difference is a missing `;`. + /// * Especially in bigger code with multiple return paths, having a `return` keyword makes it easier to find the + /// corresponding statements. /// /// ### Example /// ```no_run diff --git a/clippy_lints/src/indexing_slicing.rs b/clippy_lints/src/indexing_slicing.rs index 35fcd8cdd354..e3e79749bea6 100644 --- a/clippy_lints/src/indexing_slicing.rs +++ b/clippy_lints/src/indexing_slicing.rs @@ -45,9 +45,10 @@ declare_clippy_lint! { /// does report on arrays if we can tell that slicing operations are in bounds and does not /// lint on constant `usize` indexing on arrays because that is handled by rustc's `const_err` lint. /// - /// ### Why is this bad? - /// Indexing and slicing can panic at runtime and there are - /// safe alternatives. + /// ### Why restrict this? + /// To avoid implicit panics from indexing and slicing. + /// There are “checked” alternatives which do not panic, and can be used with `unwrap()` to make + /// an explicit panic when it is desired. /// /// ### Example /// ```rust,no_run diff --git a/clippy_lints/src/inherent_impl.rs b/clippy_lints/src/inherent_impl.rs index 1127f00abde0..95ae591884bc 100644 --- a/clippy_lints/src/inherent_impl.rs +++ b/clippy_lints/src/inherent_impl.rs @@ -14,7 +14,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for multiple inherent implementations of a struct /// - /// ### Why is this bad? + /// ### Why restrict this? /// Splitting the implementation of a type makes the code harder to navigate. /// /// ### Example diff --git a/clippy_lints/src/init_numbered_fields.rs b/clippy_lints/src/init_numbered_fields.rs index e486563808a5..1c8fd0a27f98 100644 --- a/clippy_lints/src/init_numbered_fields.rs +++ b/clippy_lints/src/init_numbered_fields.rs @@ -1,5 +1,5 @@ use clippy_utils::diagnostics::span_lint_and_sugg; -use clippy_utils::source::snippet_with_applicability; +use clippy_utils::source::{snippet_with_applicability, snippet_with_context}; use rustc_errors::Applicability; use rustc_hir::def::{DefKind, Res}; use rustc_hir::{Expr, ExprKind}; @@ -62,7 +62,7 @@ impl<'tcx> LateLintPass<'tcx> for NumberedFields { snippet_with_applicability(cx, path.span(), "..", &mut appl), expr_spans .into_iter_sorted() - .map(|(_, span)| snippet_with_applicability(cx, span, "..", &mut appl)) + .map(|(_, span)| snippet_with_context(cx, span, path.span().ctxt(), "..", &mut appl).0) .intersperse(Cow::Borrowed(", ")) .collect::() ); diff --git a/clippy_lints/src/integer_division_remainder_used.rs b/clippy_lints/src/integer_division_remainder_used.rs index a3577b765c03..cf598d5045ec 100644 --- a/clippy_lints/src/integer_division_remainder_used.rs +++ b/clippy_lints/src/integer_division_remainder_used.rs @@ -7,10 +7,10 @@ use rustc_session::declare_lint_pass; declare_clippy_lint! { /// ### What it does - /// Checks for the usage of division (/) and remainder (%) operations - /// when performed on any integer types using the default Div and Rem trait implementations. + /// Checks for the usage of division (`/`) and remainder (`%`) operations + /// when performed on any integer types using the default `Div` and `Rem` trait implementations. /// - /// ### Why is this bad? + /// ### Why restrict this? /// In cryptographic contexts, division can result in timing sidechannel vulnerabilities, /// and needs to be replaced with constant-time code instead (e.g. Barrett reduction). /// diff --git a/clippy_lints/src/iter_over_hash_type.rs b/clippy_lints/src/iter_over_hash_type.rs index 6c6eff9ba48b..fb29d9824179 100644 --- a/clippy_lints/src/iter_over_hash_type.rs +++ b/clippy_lints/src/iter_over_hash_type.rs @@ -14,8 +14,8 @@ declare_clippy_lint! { /// ### What it does /// This is a restriction lint which prevents the use of hash types (i.e., `HashSet` and `HashMap`) in for loops. /// - /// ### Why is this bad? - /// Because hash types are unordered, when iterated through such as in a for loop, the values are returned in + /// ### Why restrict this? + /// Because hash types are unordered, when iterated through such as in a `for` loop, the values are returned in /// an undefined order. As a result, on redundant systems this may cause inconsistencies and anomalies. /// In addition, the unknown order of the elements may reduce readability or introduce other undesired /// side effects. diff --git a/clippy_lints/src/large_include_file.rs b/clippy_lints/src/large_include_file.rs index 790bed580fd1..07efee159aab 100644 --- a/clippy_lints/src/large_include_file.rs +++ b/clippy_lints/src/large_include_file.rs @@ -10,10 +10,12 @@ use rustc_span::sym; declare_clippy_lint! { /// ### What it does /// Checks for the inclusion of large files via `include_bytes!()` - /// and `include_str!()` + /// or `include_str!()`. /// - /// ### Why is this bad? - /// Including large files can increase the size of the binary + /// ### Why restrict this? + /// Including large files can undesirably increase the size of the binary produced by the compiler. + /// This lint may be used to catch mistakes where an unexpectedly large file is included, or + /// temporarily to obtain a list of all large files. /// /// ### Example /// ```rust,ignore diff --git a/clippy_lints/src/let_underscore.rs b/clippy_lints/src/let_underscore.rs index 619e933b4fff..9fd4f509aa47 100644 --- a/clippy_lints/src/let_underscore.rs +++ b/clippy_lints/src/let_underscore.rs @@ -12,9 +12,8 @@ declare_clippy_lint! { /// ### What it does /// Checks for `let _ = ` where expr is `#[must_use]` /// - /// ### Why is this bad? - /// It's better to explicitly handle the value of a `#[must_use]` - /// expr + /// ### Why restrict this? + /// To ensure that all `#[must_use]` types are used rather than ignored. /// /// ### Example /// ```no_run @@ -96,8 +95,8 @@ declare_clippy_lint! { /// Checks for `let _ = ` without a type annotation, and suggests to either provide one, /// or remove the `let` keyword altogether. /// - /// ### Why is this bad? - /// The `let _ = ` expression ignores the value of `` but will remain doing so even + /// ### Why restrict this? + /// The `let _ = ` expression ignores the value of ``, but will continue to do so even /// if the type were to change, thus potentially introducing subtle bugs. By supplying a type /// annotation, one will be forced to re-visit the decision to ignore the value in such cases. /// diff --git a/clippy_lints/src/literal_representation.rs b/clippy_lints/src/literal_representation.rs index 2348dd18220f..d2a140a36a83 100644 --- a/clippy_lints/src/literal_representation.rs +++ b/clippy_lints/src/literal_representation.rs @@ -132,8 +132,8 @@ declare_clippy_lint! { /// ### What it does /// Warns if there is a better representation for a numeric literal. /// - /// ### Why is this bad? - /// Especially for big powers of 2 a hexadecimal representation is more + /// ### Why restrict this? + /// Especially for big powers of 2, a hexadecimal representation is usually more /// readable than a decimal representation. /// /// ### Example diff --git a/clippy_lints/src/loops/mod.rs b/clippy_lints/src/loops/mod.rs index 3dcb050d77e6..086829421530 100644 --- a/clippy_lints/src/loops/mod.rs +++ b/clippy_lints/src/loops/mod.rs @@ -675,9 +675,9 @@ declare_clippy_lint! { /// Checks for infinite loops in a function where the return type is not `!` /// and lint accordingly. /// - /// ### Why is this bad? - /// A loop should be gently exited somewhere, or at least mark its parent function as - /// never return (`!`). + /// ### Why restrict this? + /// Making the return type `!` serves as documentation that the function does not return. + /// If the function is not intended to loop infinitely, then this lint may detect a bug. /// /// ### Example /// ```no_run,ignore diff --git a/clippy_lints/src/matches/mod.rs b/clippy_lints/src/matches/mod.rs index ee9f48d71ad8..691ecd57535a 100644 --- a/clippy_lints/src/matches/mod.rs +++ b/clippy_lints/src/matches/mod.rs @@ -260,7 +260,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for wildcard enum matches using `_`. /// - /// ### Why is this bad? + /// ### Why restrict this? /// New enum variants added by library updates can be missed. /// /// ### Known problems @@ -435,7 +435,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for unnecessary '..' pattern binding on struct when all fields are explicitly matched. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Correctness and readability. It's like having a wildcard pattern after /// matching all enum variants explicitly. /// @@ -861,7 +861,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for usage of `Err(x)?`. /// - /// ### Why is this bad? + /// ### Why restrict this? /// The `?` operator is designed to allow calls that /// can fail to be easily chained. For example, `foo()?.bar()` or /// `foo(bar()?)`. Because `Err(x)?` can't be used that way (it will diff --git a/clippy_lints/src/matches/significant_drop_in_scrutinee.rs b/clippy_lints/src/matches/significant_drop_in_scrutinee.rs index 6ac0705abb21..2f72e59834fa 100644 --- a/clippy_lints/src/matches/significant_drop_in_scrutinee.rs +++ b/clippy_lints/src/matches/significant_drop_in_scrutinee.rs @@ -1,12 +1,17 @@ +use std::ops::ControlFlow; + use crate::FxHashSet; use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::source::{indent_of, snippet}; +use clippy_utils::ty::{for_each_top_level_late_bound_region, is_copy}; use clippy_utils::{get_attr, is_lint_allowed}; +use itertools::Itertools; +use rustc_ast::Mutability; use rustc_errors::{Applicability, Diag}; use rustc_hir::intravisit::{walk_expr, Visitor}; use rustc_hir::{Arm, Expr, ExprKind, MatchSource}; use rustc_lint::{LateContext, LintContext}; -use rustc_middle::ty::{GenericArgKind, Ty}; +use rustc_middle::ty::{GenericArgKind, Region, RegionKind, Ty, TyCtxt, TypeVisitable, TypeVisitor}; use rustc_span::Span; use super::SIGNIFICANT_DROP_IN_SCRUTINEE; @@ -22,43 +27,34 @@ pub(super) fn check<'tcx>( return; } - if let Some((suggestions, message)) = has_significant_drop_in_scrutinee(cx, scrutinee, source) { - for found in suggestions { - span_lint_and_then(cx, SIGNIFICANT_DROP_IN_SCRUTINEE, found.found_span, message, |diag| { - set_diagnostic(diag, cx, expr, found); - let s = Span::new(expr.span.hi(), expr.span.hi(), expr.span.ctxt(), None); - diag.span_label(s, "temporary lives until here"); - for span in has_significant_drop_in_arms(cx, arms) { - diag.span_label(span, "another value with significant `Drop` created here"); - } - diag.note("this might lead to deadlocks or other unexpected behavior"); - }); - } + let (suggestions, message) = has_significant_drop_in_scrutinee(cx, scrutinee, source); + for found in suggestions { + span_lint_and_then(cx, SIGNIFICANT_DROP_IN_SCRUTINEE, found.found_span, message, |diag| { + set_diagnostic(diag, cx, expr, found); + let s = Span::new(expr.span.hi(), expr.span.hi(), expr.span.ctxt(), None); + diag.span_label(s, "temporary lives until here"); + for span in has_significant_drop_in_arms(cx, arms) { + diag.span_label(span, "another value with significant `Drop` created here"); + } + diag.note("this might lead to deadlocks or other unexpected behavior"); + }); } } fn set_diagnostic<'tcx>(diag: &mut Diag<'_, ()>, cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>, found: FoundSigDrop) { - if found.lint_suggestion == LintSuggestion::MoveAndClone { - // If our suggestion is to move and clone, then we want to leave it to the user to - // decide how to address this lint, since it may be that cloning is inappropriate. - // Therefore, we won't to emit a suggestion. - return; - } - let original = snippet(cx, found.found_span, ".."); let trailing_indent = " ".repeat(indent_of(cx, found.found_span).unwrap_or(0)); - let replacement = if found.lint_suggestion == LintSuggestion::MoveAndDerefToCopy { - format!("let value = *{original};\n{trailing_indent}") - } else if found.is_unit_return_val { - // If the return value of the expression to be moved is unit, then we don't need to - // capture the result in a temporary -- we can just replace it completely with `()`. - format!("{original};\n{trailing_indent}") - } else { - format!("let value = {original};\n{trailing_indent}") + let replacement = { + let (def_part, deref_part) = if found.is_unit_return_val { + ("", String::new()) + } else { + ("let value = ", "*".repeat(found.peel_ref_times)) + }; + format!("{def_part}{deref_part}{original};\n{trailing_indent}") }; - let suggestion_message = if found.lint_suggestion == LintSuggestion::MoveOnly { + let suggestion_message = if found.peel_ref_times == 0 { "try moving the temporary above the match" } else { "try moving the temporary above the match and create a copy" @@ -66,8 +62,11 @@ fn set_diagnostic<'tcx>(diag: &mut Diag<'_, ()>, cx: &LateContext<'tcx>, expr: & let scrutinee_replacement = if found.is_unit_return_val { "()".to_owned() - } else { + } else if found.peel_ref_times == 0 { "value".to_owned() + } else { + let ref_part = "&".repeat(found.peel_ref_times); + format!("({ref_part}value)") }; diag.multipart_suggestion( @@ -86,20 +85,18 @@ fn has_significant_drop_in_scrutinee<'tcx>( cx: &LateContext<'tcx>, scrutinee: &'tcx Expr<'tcx>, source: MatchSource, -) -> Option<(Vec, &'static str)> { +) -> (Vec, &'static str) { let mut helper = SigDropHelper::new(cx); let scrutinee = match (source, &scrutinee.kind) { (MatchSource::ForLoopDesugar, ExprKind::Call(_, [e])) => e, _ => scrutinee, }; - helper.find_sig_drop(scrutinee).map(|drops| { - let message = if source == MatchSource::Normal { - "temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression" - } else { - "temporary with significant `Drop` in `for` loop condition will live until the end of the `for` expression" - }; - (drops, message) - }) + let message = if source == MatchSource::Normal { + "temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression" + } else { + "temporary with significant `Drop` in `for` loop condition will live until the end of the `for` expression" + }; + (helper.find_sig_drop(scrutinee), message) } struct SigDropChecker<'a, 'tcx> { @@ -172,205 +169,248 @@ impl<'a, 'tcx> SigDropChecker<'a, 'tcx> { } } +#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Debug)] +enum SigDropHolder { + /// No values with significant drop present in this expression. + /// + /// Expressions that we've emited lints do not count. + None, + /// Some field in this expression references to values with significant drop. + /// + /// Example: `(1, &data.lock().field)`. + PackedRef, + /// The value of this expression references to values with significant drop. + /// + /// Example: `data.lock().field`. + DirectRef, + /// This expression should be moved out to avoid significant drop in scrutinee. + Moved, +} + +impl Default for SigDropHolder { + fn default() -> Self { + Self::None + } +} + struct SigDropHelper<'a, 'tcx> { cx: &'a LateContext<'tcx>, - is_chain_end: bool, - has_significant_drop: bool, - current_sig_drop: Option, - sig_drop_spans: Option>, - special_handling_for_binary_op: bool, + parent_expr: Option<&'tcx Expr<'tcx>>, + sig_drop_holder: SigDropHolder, + sig_drop_spans: Vec, sig_drop_checker: SigDropChecker<'a, 'tcx>, } -#[expect(clippy::enum_variant_names)] -#[derive(Debug, PartialEq, Eq, Clone, Copy)] -enum LintSuggestion { - MoveOnly, - MoveAndDerefToCopy, - MoveAndClone, -} - -#[derive(Clone, Copy)] +#[derive(Clone, Copy, Debug)] struct FoundSigDrop { found_span: Span, is_unit_return_val: bool, - lint_suggestion: LintSuggestion, + peel_ref_times: usize, } impl<'a, 'tcx> SigDropHelper<'a, 'tcx> { fn new(cx: &'a LateContext<'tcx>) -> SigDropHelper<'a, 'tcx> { SigDropHelper { cx, - is_chain_end: true, - has_significant_drop: false, - current_sig_drop: None, - sig_drop_spans: None, - special_handling_for_binary_op: false, + parent_expr: None, + sig_drop_holder: SigDropHolder::None, + sig_drop_spans: Vec::new(), sig_drop_checker: SigDropChecker::new(cx), } } - fn find_sig_drop(&mut self, match_expr: &'tcx Expr<'_>) -> Option> { + fn find_sig_drop(&mut self, match_expr: &'tcx Expr<'_>) -> Vec { self.visit_expr(match_expr); - // If sig drop spans is empty but we found a significant drop, it means that we didn't find - // a type that was trivially copyable as we moved up the chain after finding a significant - // drop, so move the entire scrutinee. - if self.has_significant_drop && self.sig_drop_spans.is_none() { - self.try_setting_current_suggestion(match_expr, true); - self.move_current_suggestion(); - } - - self.sig_drop_spans.take() + core::mem::take(&mut self.sig_drop_spans) } - fn replace_current_sig_drop( - &mut self, - found_span: Span, - is_unit_return_val: bool, - lint_suggestion: LintSuggestion, - ) { - self.current_sig_drop.replace(FoundSigDrop { + fn replace_current_sig_drop(&mut self, found_span: Span, is_unit_return_val: bool, peel_ref_times: usize) { + self.sig_drop_spans.clear(); + self.sig_drop_spans.push(FoundSigDrop { found_span, is_unit_return_val, - lint_suggestion, + peel_ref_times, }); } - /// This will try to set the current suggestion (so it can be moved into the suggestions vec - /// later). If `allow_move_and_clone` is false, the suggestion *won't* be set -- this gives us - /// an opportunity to look for another type in the chain that will be trivially copyable. - /// However, if we are at the end of the chain, we want to accept whatever is there. (The - /// suggestion won't actually be output, but the diagnostic message will be output, so the user - /// can determine the best way to handle the lint.) - fn try_setting_current_suggestion(&mut self, expr: &'tcx Expr<'_>, allow_move_and_clone: bool) { - if self.current_sig_drop.is_some() { - return; + fn try_move_sig_drop(&mut self, expr: &'tcx Expr<'_>, parent_expr: &'tcx Expr<'_>) { + if self.sig_drop_holder == SigDropHolder::Moved { + self.sig_drop_holder = SigDropHolder::None; } - let ty = self.cx.typeck_results().expr_ty(expr); - if ty.is_ref() { - // We checked that the type was ref, so builtin_deref will return Some, - // but let's avoid any chance of an ICE. - if let Some(ty) = ty.builtin_deref(true) { - if ty.is_trivially_pure_clone_copy() { - self.replace_current_sig_drop(expr.span, false, LintSuggestion::MoveAndDerefToCopy); - } else if allow_move_and_clone { - self.replace_current_sig_drop(expr.span, false, LintSuggestion::MoveAndClone); - } + + if self.sig_drop_holder == SigDropHolder::DirectRef { + self.sig_drop_holder = SigDropHolder::PackedRef; + self.try_move_sig_drop_direct_ref(expr, parent_expr); + } else if self.sig_drop_checker.is_sig_drop_expr(expr) { + // The values with significant drop can be moved to some other functions. For example, consider + // `drop(data.lock())`. We use `SigDropHolder::None` here to avoid emitting lints in such scenarios. + self.sig_drop_holder = SigDropHolder::None; + self.try_move_sig_drop_direct_ref(expr, parent_expr); + } + + if self.sig_drop_holder != SigDropHolder::None { + let parent_ty = self.cx.typeck_results().expr_ty(parent_expr); + if !ty_has_erased_regions(parent_ty) && !parent_expr.is_syntactic_place_expr() { + self.replace_current_sig_drop(parent_expr.span, parent_ty.is_unit(), 0); + self.sig_drop_holder = SigDropHolder::Moved; + } + + let (peel_ref_ty, peel_ref_times) = ty_peel_refs(parent_ty); + if !ty_has_erased_regions(peel_ref_ty) && is_copy(self.cx, peel_ref_ty) { + self.replace_current_sig_drop(parent_expr.span, peel_ref_ty.is_unit(), peel_ref_times); + self.sig_drop_holder = SigDropHolder::Moved; } - } else if ty.is_trivially_pure_clone_copy() { - self.replace_current_sig_drop(expr.span, false, LintSuggestion::MoveOnly); - } else if allow_move_and_clone { - self.replace_current_sig_drop(expr.span, false, LintSuggestion::MoveAndClone); } } - fn move_current_suggestion(&mut self) { - if let Some(current) = self.current_sig_drop.take() { - self.sig_drop_spans.get_or_insert_with(Vec::new).push(current); + fn try_move_sig_drop_direct_ref(&mut self, expr: &'tcx Expr<'_>, parent_expr: &'tcx Expr<'_>) { + let arg_idx = match parent_expr.kind { + ExprKind::MethodCall(_, receiver, exprs, _) => std::iter::once(receiver) + .chain(exprs.iter()) + .find_position(|ex| ex.hir_id == expr.hir_id) + .map(|(idx, _)| idx), + ExprKind::Call(_, exprs) => exprs + .iter() + .find_position(|ex| ex.hir_id == expr.hir_id) + .map(|(idx, _)| idx), + ExprKind::Binary(_, lhs, rhs) | ExprKind::AssignOp(_, lhs, rhs) => [lhs, rhs] + .iter() + .find_position(|ex| ex.hir_id == expr.hir_id) + .map(|(idx, _)| idx), + ExprKind::Unary(_, ex) => (ex.hir_id == expr.hir_id).then_some(0), + _ => { + // Here we assume that all other expressions create or propagate the reference to the value with + // significant drop. + self.sig_drop_holder = SigDropHolder::DirectRef; + return; + }, + }; + let Some(arg_idx) = arg_idx else { + return; + }; + + let fn_sig = if let Some(def_id) = self.cx.typeck_results().type_dependent_def_id(parent_expr.hir_id) { + self.cx.tcx.fn_sig(def_id).instantiate_identity() + } else { + return; + }; + + let input_re = if let Some(input_ty) = fn_sig.skip_binder().inputs().get(arg_idx) + && let rustc_middle::ty::Ref(input_re, _, _) = input_ty.kind() + { + input_re + } else { + return; + }; + + // Late bound lifetime parameters are not related to any constraints, so we can track them in a very + // simple manner. For other lifetime parameters, we give up and update the state to `PackedRef`. + let RegionKind::ReBound(_, input_re_bound) = input_re.kind() else { + self.sig_drop_holder = SigDropHolder::PackedRef; + return; + }; + let contains_input_re = |re_bound| { + if re_bound == input_re_bound { + ControlFlow::Break(()) + } else { + ControlFlow::Continue(()) + } + }; + + let output_ty = fn_sig.skip_binder().output(); + if let rustc_middle::ty::Ref(output_re, peel_ref_ty, _) = output_ty.kind() + && input_re == output_re + && for_each_top_level_late_bound_region(*peel_ref_ty, contains_input_re).is_continue() + { + // We're lucky! The output type is still a direct reference to the value with significant drop. + self.sig_drop_holder = SigDropHolder::DirectRef; + } else if for_each_top_level_late_bound_region(output_ty, contains_input_re).is_continue() { + // The lifetime to the value with significant drop goes away. So we can emit a lint that suggests to + // move the expression out. + self.replace_current_sig_drop(parent_expr.span, output_ty.is_unit(), 0); + self.sig_drop_holder = SigDropHolder::Moved; + } else { + // TODO: The lifetime is still there but it's for a inner type. For instance, consider + // `Some(&mutex.lock().field)`, which has a type of `Option<&u32>`. How to address this scenario? + self.sig_drop_holder = SigDropHolder::PackedRef; + } + } +} + +fn ty_peel_refs(mut ty: Ty<'_>) -> (Ty<'_>, usize) { + let mut n = 0; + while let rustc_middle::ty::Ref(_, new_ty, Mutability::Not) = ty.kind() { + ty = *new_ty; + n += 1; + } + (ty, n) +} + +fn ty_has_erased_regions(ty: Ty<'_>) -> bool { + struct V; + + impl<'tcx> TypeVisitor> for V { + type Result = ControlFlow<()>; + + fn visit_region(&mut self, region: Region<'tcx>) -> Self::Result { + if region.is_erased() { + ControlFlow::Break(()) + } else { + ControlFlow::Continue(()) + } } } - fn visit_exprs_for_binary_ops( - &mut self, - left: &'tcx Expr<'_>, - right: &'tcx Expr<'_>, - is_unit_return_val: bool, - span: Span, - ) { - self.special_handling_for_binary_op = true; - self.visit_expr(left); - self.visit_expr(right); - - // If either side had a significant drop, suggest moving the entire scrutinee to avoid - // unnecessary copies and to simplify cases where both sides have significant drops. - if self.has_significant_drop { - self.replace_current_sig_drop(span, is_unit_return_val, LintSuggestion::MoveOnly); - } - - self.special_handling_for_binary_op = false; - } + ty.visit_with(&mut V).is_break() } impl<'a, 'tcx> Visitor<'tcx> for SigDropHelper<'a, 'tcx> { fn visit_expr(&mut self, ex: &'tcx Expr<'_>) { - if !self.is_chain_end && self.sig_drop_checker.is_sig_drop_expr(ex) { - self.has_significant_drop = true; + // We've emited a lint on some neighborhood expression. That lint will suggest to move out the + // _parent_ expression (not the expression itself). Since we decide to move out the parent + // expression, it is pointless to continue to process the current expression. + if self.sig_drop_holder == SigDropHolder::Moved { return; } - self.is_chain_end = false; + + // These states are of neighborhood expressions. We save and clear them here, and we'll later merge + // the states of the current expression with them at the end of the method. + let sig_drop_holder_before = core::mem::take(&mut self.sig_drop_holder); + let sig_drop_spans_before = core::mem::take(&mut self.sig_drop_spans); + let parent_expr_before = self.parent_expr.replace(ex); match ex.kind { - ExprKind::MethodCall(_, expr, ..) => { - self.visit_expr(expr); - } - ExprKind::Binary(_, left, right) => { - self.visit_exprs_for_binary_ops(left, right, false, ex.span); - } - ExprKind::Assign(left, right, _) | ExprKind::AssignOp(_, left, right) => { - self.visit_exprs_for_binary_ops(left, right, true, ex.span); - } - ExprKind::Tup(exprs) => { - for expr in exprs { - self.visit_expr(expr); - if self.has_significant_drop { - // We may have not have set current_sig_drop if all the suggestions were - // MoveAndClone, so add this tuple item's full expression in that case. - if self.current_sig_drop.is_none() { - self.try_setting_current_suggestion(expr, true); - } + // Skip blocks because values in blocks will be dropped as usual. + ExprKind::Block(..) => (), + _ => walk_expr(self, ex), + } - // Now we are guaranteed to have something, so add it to the final vec. - self.move_current_suggestion(); - } - // Reset `has_significant_drop` after each tuple expression so we can look for - // additional cases. - self.has_significant_drop = false; - } - if self.sig_drop_spans.is_some() { - self.has_significant_drop = true; - } - } - ExprKind::Array(..) | - ExprKind::Call(..) | - ExprKind::Unary(..) | - ExprKind::If(..) | - ExprKind::Match(..) | - ExprKind::Field(..) | - ExprKind::Index(..) | - ExprKind::Ret(..) | - ExprKind::Become(..) | - ExprKind::Repeat(..) | - ExprKind::Yield(..) => walk_expr(self, ex), - ExprKind::AddrOf(_, _, _) | - ExprKind::Block(_, _) | - ExprKind::Break(_, _) | - ExprKind::Cast(_, _) | - // Don't want to check the closure itself, only invocation, which is covered by MethodCall - ExprKind::Closure { .. } | - ExprKind::ConstBlock(_) | - ExprKind::Continue(_) | - ExprKind::DropTemps(_) | - ExprKind::Err(_) | - ExprKind::InlineAsm(_) | - ExprKind::OffsetOf(_, _) | - ExprKind::Let(_) | - ExprKind::Lit(_) | - ExprKind::Loop(_, _, _, _) | - ExprKind::Path(_) | - ExprKind::Struct(_, _, _) | - ExprKind::Type(_, _) => { - return; + if let Some(parent_ex) = parent_expr_before { + match parent_ex.kind { + ExprKind::Assign(lhs, _, _) | ExprKind::AssignOp(_, lhs, _) + if lhs.hir_id == ex.hir_id && self.sig_drop_holder == SigDropHolder::Moved => + { + // Never move out only the assignee. Instead, we should always move out the whole assigment. + self.replace_current_sig_drop(parent_ex.span, true, 0); + }, + _ => { + self.try_move_sig_drop(ex, parent_ex); + }, } } - // Once a significant temporary has been found, we need to go back up at least 1 level to - // find the span to extract for replacement, so the temporary gets dropped. However, for - // binary ops, we want to move the whole scrutinee so we avoid unnecessary copies and to - // simplify cases where both sides have significant drops. - if self.has_significant_drop && !self.special_handling_for_binary_op { - self.try_setting_current_suggestion(ex, false); + self.sig_drop_holder = std::cmp::max(self.sig_drop_holder, sig_drop_holder_before); + + // We do not need those old spans in neighborhood expressions if we emit a lint that suggests to + // move out the _parent_ expression (i.e., `self.sig_drop_holder == SigDropHolder::Moved`). + if self.sig_drop_holder != SigDropHolder::Moved { + let mut sig_drop_spans = sig_drop_spans_before; + sig_drop_spans.append(&mut self.sig_drop_spans); + self.sig_drop_spans = sig_drop_spans; } + + self.parent_expr = parent_expr_before; } } diff --git a/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs b/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs index 6c9bdcff8262..f4397212cf66 100644 --- a/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs +++ b/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs @@ -1,8 +1,12 @@ +use std::iter::once; + use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::source::snippet; use clippy_utils::{get_expr_use_or_unification_node, is_res_lang_ctor, path_res, std_or_core}; use rustc_errors::Applicability; +use rustc_hir::def_id::DefId; +use rustc_hir::hir_id::HirId; use rustc_hir::LangItem::{OptionNone, OptionSome}; use rustc_hir::{Expr, ExprKind, Node}; use rustc_lint::LateContext; @@ -25,7 +29,29 @@ impl IterType { } } -pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, method_name: &str, recv: &Expr<'_>) { +fn is_arg_ty_unified_in_fn<'tcx>( + cx: &LateContext<'tcx>, + fn_id: DefId, + arg_id: HirId, + args: impl IntoIterator>, +) -> bool { + let fn_sig = cx.tcx.fn_sig(fn_id).instantiate_identity(); + let arg_id_in_args = args.into_iter().position(|e| e.hir_id == arg_id).unwrap(); + let arg_ty_in_args = fn_sig.input(arg_id_in_args).skip_binder(); + + cx.tcx.predicates_of(fn_id).predicates.iter().any(|(clause, _)| { + clause + .as_projection_clause() + .and_then(|p| p.map_bound(|p| p.term.ty()).transpose()) + .is_some_and(|ty| ty.skip_binder() == arg_ty_in_args) + }) || fn_sig + .inputs() + .iter() + .enumerate() + .any(|(i, ty)| i != arg_id_in_args && ty.skip_binder().walk().any(|arg| arg.as_type() == Some(arg_ty_in_args))) +} + +pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>, method_name: &str, recv: &'tcx Expr<'tcx>) { let item = match recv.kind { ExprKind::Array([]) => None, ExprKind::Array([e]) => Some(e), @@ -43,6 +69,25 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, method_name: &str, re let is_unified = match get_expr_use_or_unification_node(cx.tcx, expr) { Some((Node::Expr(parent), child_id)) => match parent.kind { ExprKind::If(e, _, _) | ExprKind::Match(e, _, _) if e.hir_id == child_id => false, + ExprKind::Call( + Expr { + kind: ExprKind::Path(path), + hir_id, + .. + }, + args, + ) => cx + .typeck_results() + .qpath_res(path, *hir_id) + .opt_def_id() + .filter(|fn_id| cx.tcx.def_kind(fn_id).is_fn_like()) + .is_some_and(|fn_id| is_arg_ty_unified_in_fn(cx, fn_id, child_id, args)), + ExprKind::MethodCall(_name, recv, args, _span) => is_arg_ty_unified_in_fn( + cx, + cx.typeck_results().type_dependent_def_id(parent.hir_id).unwrap(), + child_id, + once(recv).chain(args.iter()), + ), ExprKind::If(_, _, _) | ExprKind::Match(_, _, _) | ExprKind::Closure(_) diff --git a/clippy_lints/src/methods/mod.rs b/clippy_lints/src/methods/mod.rs index 9d67aa233797..75a86c0c8344 100644 --- a/clippy_lints/src/methods/mod.rs +++ b/clippy_lints/src/methods/mod.rs @@ -257,7 +257,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for `.unwrap()` or `.unwrap_err()` calls on `Result`s and `.unwrap()` call on `Option`s. /// - /// ### Why is this bad? + /// ### Why restrict this? /// It is better to handle the `None` or `Err` case, /// or at least call `.expect(_)` with a more helpful message. Still, for a lot of /// quick-and-dirty code, `unwrap` is a good choice, which is why this lint is @@ -333,7 +333,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for `.expect()` or `.expect_err()` calls on `Result`s and `.expect()` call on `Option`s. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Usually it is better to handle the `None` or `Err` case. /// Still, for a lot of quick-and-dirty code, `expect` is a good choice, which is why /// this lint is `Allow` by default. @@ -1029,8 +1029,8 @@ declare_clippy_lint! { /// (`Rc`, `Arc`, `rc::Weak`, or `sync::Weak`), and suggests calling Clone via unified /// function syntax instead (e.g., `Rc::clone(foo)`). /// - /// ### Why is this bad? - /// Calling '.clone()' on an Rc, Arc, or Weak + /// ### Why restrict this? + /// Calling `.clone()` on an `Rc`, `Arc`, or `Weak` /// can obscure the fact that only the pointer is being cloned, not the underlying /// data. /// @@ -1051,7 +1051,7 @@ declare_clippy_lint! { #[clippy::version = "pre 1.29.0"] pub CLONE_ON_REF_PTR, restriction, - "using 'clone' on a ref-counted pointer" + "using `clone` on a ref-counted pointer" } declare_clippy_lint! { @@ -1359,7 +1359,7 @@ declare_clippy_lint! { /// Checks for usage of `.get().unwrap()` (or /// `.get_mut().unwrap`) on a standard library type which implements `Index` /// - /// ### Why is this bad? + /// ### Why restrict this? /// Using the Index trait (`[]`) is more clear and more /// concise. /// @@ -1743,7 +1743,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for `FileType::is_file()`. /// - /// ### Why is this bad? + /// ### Why restrict this? /// When people testing a file type with `FileType::is_file` /// they are testing whether a path is something they can get bytes from. But /// `is_file` doesn't cover special file types in unix-like systems, and doesn't cover @@ -2688,8 +2688,9 @@ declare_clippy_lint! { /// ### What it does /// Checks for instances of `map_err(|_| Some::Enum)` /// - /// ### Why is this bad? - /// This `map_err` throws away the original error rather than allowing the enum to contain and report the cause of the error + /// ### Why restrict this? + /// This `map_err` throws away the original error rather than allowing the enum to + /// contain and report the cause of the error. /// /// ### Example /// Before: @@ -3145,7 +3146,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for usage of File::read_to_end and File::read_to_string. /// - /// ### Why is this bad? + /// ### Why restrict this? /// `fs::{read, read_to_string}` provide the same functionality when `buf` is empty with fewer imports and no intermediate values. /// See also: [fs::read docs](https://doc.rust-lang.org/std/fs/fn.read.html), [fs::read_to_string docs](https://doc.rust-lang.org/std/fs/fn.read_to_string.html) /// diff --git a/clippy_lints/src/methods/unnecessary_iter_cloned.rs b/clippy_lints/src/methods/unnecessary_iter_cloned.rs index 7431dc1cf0b1..d1300dd43c28 100644 --- a/clippy_lints/src/methods/unnecessary_iter_cloned.rs +++ b/clippy_lints/src/methods/unnecessary_iter_cloned.rs @@ -38,7 +38,7 @@ pub fn check_for_loop_iter( ) -> bool { if let Some(grandparent) = get_parent_expr(cx, expr).and_then(|parent| get_parent_expr(cx, parent)) && let Some(ForLoop { pat, body, .. }) = ForLoop::hir(grandparent) - && let (clone_or_copy_needed, addr_of_exprs) = clone_or_copy_needed(cx, pat, body) + && let (clone_or_copy_needed, references_to_binding) = clone_or_copy_needed(cx, pat, body) && !clone_or_copy_needed && let Some(receiver_snippet) = snippet_opt(cx, receiver.span) { @@ -123,14 +123,12 @@ pub fn check_for_loop_iter( Applicability::MachineApplicable }; diag.span_suggestion(expr.span, "use", snippet, applicability); - for addr_of_expr in addr_of_exprs { - match addr_of_expr.kind { - ExprKind::AddrOf(_, _, referent) => { - let span = addr_of_expr.span.with_hi(referent.span.lo()); - diag.span_suggestion(span, "remove this `&`", "", applicability); - }, - _ => unreachable!(), - } + if !references_to_binding.is_empty() { + diag.multipart_suggestion( + "remove any references to the binding", + references_to_binding, + applicability, + ); } }, ); diff --git a/clippy_lints/src/methods/utils.rs b/clippy_lints/src/methods/utils.rs index 34d7b9acbe4b..1a55b7160fb1 100644 --- a/clippy_lints/src/methods/utils.rs +++ b/clippy_lints/src/methods/utils.rs @@ -9,6 +9,7 @@ use rustc_lint::LateContext; use rustc_middle::hir::nested_filter; use rustc_middle::ty::{self, Ty}; use rustc_span::symbol::sym; +use rustc_span::Span; pub(super) fn derefs_to_slice<'tcx>( cx: &LateContext<'tcx>, @@ -96,15 +97,15 @@ pub(super) fn clone_or_copy_needed<'tcx>( cx: &LateContext<'tcx>, pat: &Pat<'tcx>, body: &'tcx Expr<'tcx>, -) -> (bool, Vec<&'tcx Expr<'tcx>>) { +) -> (bool, Vec<(Span, String)>) { let mut visitor = CloneOrCopyVisitor { cx, binding_hir_ids: pat_bindings(pat), clone_or_copy_needed: false, - addr_of_exprs: Vec::new(), + references_to_binding: Vec::new(), }; visitor.visit_expr(body); - (visitor.clone_or_copy_needed, visitor.addr_of_exprs) + (visitor.clone_or_copy_needed, visitor.references_to_binding) } /// Returns a vector of all `HirId`s bound by the pattern. @@ -127,7 +128,7 @@ struct CloneOrCopyVisitor<'cx, 'tcx> { cx: &'cx LateContext<'tcx>, binding_hir_ids: Vec, clone_or_copy_needed: bool, - addr_of_exprs: Vec<&'tcx Expr<'tcx>>, + references_to_binding: Vec<(Span, String)>, } impl<'cx, 'tcx> Visitor<'tcx> for CloneOrCopyVisitor<'cx, 'tcx> { @@ -142,8 +143,11 @@ impl<'cx, 'tcx> Visitor<'tcx> for CloneOrCopyVisitor<'cx, 'tcx> { if self.is_binding(expr) { if let Some(parent) = get_parent_expr(self.cx, expr) { match parent.kind { - ExprKind::AddrOf(BorrowKind::Ref, Mutability::Not, _) => { - self.addr_of_exprs.push(parent); + ExprKind::AddrOf(BorrowKind::Ref, Mutability::Not, referent) => { + if !parent.span.from_expansion() { + self.references_to_binding + .push((parent.span.until(referent.span), String::new())); + } return; }, ExprKind::MethodCall(.., args, _) => { diff --git a/clippy_lints/src/min_ident_chars.rs b/clippy_lints/src/min_ident_chars.rs index c6b7f5b0ce27..e43b712021ae 100644 --- a/clippy_lints/src/min_ident_chars.rs +++ b/clippy_lints/src/min_ident_chars.rs @@ -12,14 +12,13 @@ use std::borrow::Cow; declare_clippy_lint! { /// ### What it does - /// Checks for idents which comprise of a single letter. + /// Checks for identifiers which consist of a single character (or fewer than the configured threshold). /// /// Note: This lint can be very noisy when enabled; it may be desirable to only enable it /// temporarily. /// - /// ### Why is this bad? - /// In many cases it's not, but at times it can severely hinder readability. Some codebases may - /// wish to disallow this to improve readability. + /// ### Why restrict this? + /// To improve readability by requiring that every variable has a name more specific than a single letter can be. /// /// ### Example /// ```rust,ignore diff --git a/clippy_lints/src/misc_early/mod.rs b/clippy_lints/src/misc_early/mod.rs index 2f5499d7656f..fedcfd11fdcc 100644 --- a/clippy_lints/src/misc_early/mod.rs +++ b/clippy_lints/src/misc_early/mod.rs @@ -23,7 +23,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for structure field patterns bound to wildcards. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Using `..` instead is shorter and leaves the focus on /// the fields that are actually bound. /// @@ -138,7 +138,7 @@ declare_clippy_lint! { /// To enforce unseparated literal suffix style, /// see the `separated_literal_suffix` lint. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Suffix style should be consistent. /// /// ### Example @@ -166,7 +166,7 @@ declare_clippy_lint! { /// To enforce separated literal suffix style, /// see the `unseparated_literal_suffix` lint. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Suffix style should be consistent. /// /// ### Example diff --git a/clippy_lints/src/missing_assert_message.rs b/clippy_lints/src/missing_assert_message.rs index 04df7b7a7e5a..dd98352da860 100644 --- a/clippy_lints/src/missing_assert_message.rs +++ b/clippy_lints/src/missing_assert_message.rs @@ -10,7 +10,7 @@ declare_clippy_lint! { /// ### What it does /// Checks assertions without a custom panic message. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Without a good custom message, it'd be hard to understand what went wrong when the assertion fails. /// A good custom message should be more about why the failure of the assertion is problematic /// and not what is failed because the assertion already conveys that. diff --git a/clippy_lints/src/missing_asserts_for_indexing.rs b/clippy_lints/src/missing_asserts_for_indexing.rs index c29e46b941c6..752723a0c68e 100644 --- a/clippy_lints/src/missing_asserts_for_indexing.rs +++ b/clippy_lints/src/missing_asserts_for_indexing.rs @@ -21,7 +21,7 @@ declare_clippy_lint! { /// Checks for repeated slice indexing without asserting beforehand that the length /// is greater than the largest index used to index into the slice. /// - /// ### Why is this bad? + /// ### Why restrict this? /// In the general case where the compiler does not have a lot of information /// about the length of a slice, indexing it repeatedly will generate a bounds check /// for every single index. diff --git a/clippy_lints/src/missing_doc.rs b/clippy_lints/src/missing_doc.rs index 2fb784dae1cd..ca344dc5c810 100644 --- a/clippy_lints/src/missing_doc.rs +++ b/clippy_lints/src/missing_doc.rs @@ -20,9 +20,9 @@ use rustc_span::{sym, Span}; declare_clippy_lint! { /// ### What it does - /// Warns if there is missing doc for any private documentable item + /// Warns if there is missing documentation for any private documentable item. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Doc is good. *rustc* has a `MISSING_DOCS` /// allowed-by-default lint for /// public members, but has no way to enforce documentation of private items. diff --git a/clippy_lints/src/missing_inline.rs b/clippy_lints/src/missing_inline.rs index c6a76478806a..33a14d8b7fed 100644 --- a/clippy_lints/src/missing_inline.rs +++ b/clippy_lints/src/missing_inline.rs @@ -10,13 +10,16 @@ declare_clippy_lint! { /// It lints if an exported function, method, trait method with default impl, /// or trait method impl is not `#[inline]`. /// - /// ### Why is this bad? - /// In general, it is not. Functions can be inlined across - /// crates when that's profitable as long as any form of LTO is used. When LTO is disabled, - /// functions that are not `#[inline]` cannot be inlined across crates. Certain types of crates - /// might intend for most of the methods in their public API to be able to be inlined across - /// crates even when LTO is disabled. For these types of crates, enabling this lint might make - /// sense. It allows the crate to require all exported methods to be `#[inline]` by default, and + /// ### Why restrict this? + /// When a function is not marked `#[inline]`, it is not + /// [a “small” candidate for automatic inlining][small], and LTO is not in use, then it is not + /// possible for the function to be inlined into the code of any crate other than the one in + /// which it is defined. Depending on the role of the function and the relationship of the crates, + /// this could significantly reduce performance. + /// + /// Certain types of crates might intend for most of the methods in their public API to be able + /// to be inlined across crates even when LTO is disabled. + /// This lint allows those crates to require all exported methods to be `#[inline]` by default, and /// then opt out for specific methods where this might not make sense. /// /// ### Example @@ -51,6 +54,8 @@ declare_clippy_lint! { /// fn def_bar() {} // missing #[inline] /// } /// ``` + /// + /// [small]: https://github.com/rust-lang/rust/pull/116505 #[clippy::version = "pre 1.29.0"] pub MISSING_INLINE_IN_PUBLIC_ITEMS, restriction, diff --git a/clippy_lints/src/missing_trait_methods.rs b/clippy_lints/src/missing_trait_methods.rs index 6f844bc646a2..85029a5e6a0d 100644 --- a/clippy_lints/src/missing_trait_methods.rs +++ b/clippy_lints/src/missing_trait_methods.rs @@ -10,16 +10,16 @@ use rustc_session::declare_lint_pass; declare_clippy_lint! { /// ### What it does /// Checks if a provided method is used implicitly by a trait - /// implementation. A usage example would be a wrapper where every method - /// should perform some operation before delegating to the inner type's /// implementation. /// + /// ### Why restrict this? + /// To ensure that a certain implementation implements every method; for example, + /// a wrapper type where every method should delegate to the corresponding method of + /// the inner type's implementation. + /// /// This lint should typically be enabled on a specific trait `impl` item /// rather than globally. /// - /// ### Why is this bad? - /// Indicates that a method is missing. - /// /// ### Example /// ```no_run /// trait Trait { diff --git a/clippy_lints/src/mixed_read_write_in_expression.rs b/clippy_lints/src/mixed_read_write_in_expression.rs index 181351910db6..9c5a8a0cfcdf 100644 --- a/clippy_lints/src/mixed_read_write_in_expression.rs +++ b/clippy_lints/src/mixed_read_write_in_expression.rs @@ -12,9 +12,10 @@ declare_clippy_lint! { /// whether the read occurs before or after the write depends on the evaluation /// order of sub-expressions. /// - /// ### Why is this bad? - /// It is often confusing to read. As described [here](https://doc.rust-lang.org/reference/expressions.html?highlight=subexpression#evaluation-order-of-operands), - /// the operands of these expressions are evaluated before applying the effects of the expression. + /// ### Why restrict this? + /// While [the evaluation order of sub-expressions] is fully specified in Rust, + /// it still may be confusing to read an expression where the evaluation order + /// affects its behavior. /// /// ### Known problems /// Code which intentionally depends on the evaluation @@ -40,6 +41,8 @@ declare_clippy_lint! { /// }; /// let a = tmp + x; /// ``` + /// + /// [order]: (https://doc.rust-lang.org/reference/expressions.html?highlight=subexpression#evaluation-order-of-operands) #[clippy::version = "pre 1.29.0"] pub MIXED_READ_WRITE_IN_EXPRESSION, restriction, diff --git a/clippy_lints/src/module_style.rs b/clippy_lints/src/module_style.rs index 6c031c081750..305499f9da43 100644 --- a/clippy_lints/src/module_style.rs +++ b/clippy_lints/src/module_style.rs @@ -10,9 +10,9 @@ use std::path::{Component, Path}; declare_clippy_lint! { /// ### What it does - /// Checks that module layout uses only self named module files, bans `mod.rs` files. + /// Checks that module layout uses only self named module files; bans `mod.rs` files. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Having multiple module layout styles in a project can be confusing. /// /// ### Example @@ -41,7 +41,7 @@ declare_clippy_lint! { /// ### What it does /// Checks that module layout uses only `mod.rs` files. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Having multiple module layout styles in a project can be confusing. /// /// ### Example diff --git a/clippy_lints/src/multiple_unsafe_ops_per_block.rs b/clippy_lints/src/multiple_unsafe_ops_per_block.rs index 5306205aed7e..5b4ef852f0d9 100644 --- a/clippy_lints/src/multiple_unsafe_ops_per_block.rs +++ b/clippy_lints/src/multiple_unsafe_ops_per_block.rs @@ -2,7 +2,7 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::visitors::{for_each_expr_with_closures, Descend, Visitable}; use core::ops::ControlFlow::Continue; use hir::def::{DefKind, Res}; -use hir::{BlockCheckMode, ExprKind, Safety, QPath, UnOp}; +use hir::{BlockCheckMode, ExprKind, QPath, Safety, UnOp}; use rustc_ast::Mutability; use rustc_hir as hir; use rustc_lint::{LateContext, LateLintPass}; @@ -15,7 +15,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for `unsafe` blocks that contain more than one unsafe operation. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Combined with `undocumented_unsafe_blocks`, /// this lint ensures that each unsafe operation must be independently justified. /// Combined with `unused_unsafe`, this lint also ensures diff --git a/clippy_lints/src/mutex_atomic.rs b/clippy_lints/src/mutex_atomic.rs index 7ecc86176942..853e476a006c 100644 --- a/clippy_lints/src/mutex_atomic.rs +++ b/clippy_lints/src/mutex_atomic.rs @@ -14,7 +14,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for usage of `Mutex` where an atomic will do. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Using a mutex just to make access to a plain bool or /// reference sequential is shooting flies with cannons. /// `std::sync::atomic::AtomicBool` and `std::sync::atomic::AtomicPtr` are leaner and diff --git a/clippy_lints/src/needless_bool.rs b/clippy_lints/src/needless_bool.rs index f9ee4a3dc93a..e1866eaa18a7 100644 --- a/clippy_lints/src/needless_bool.rs +++ b/clippy_lints/src/needless_bool.rs @@ -6,8 +6,8 @@ use clippy_utils::diagnostics::{span_lint, span_lint_and_sugg}; use clippy_utils::source::snippet_with_applicability; use clippy_utils::sugg::Sugg; use clippy_utils::{ - higher, is_else_clause, is_expn_of, is_parent_stmt, peel_blocks, peel_blocks_with_stmt, span_extract_comment, - SpanlessEq, + higher, is_block_like, is_else_clause, is_expn_of, is_parent_stmt, peel_blocks, peel_blocks_with_stmt, + span_extract_comment, SpanlessEq, }; use rustc_ast::ast::LitKind; use rustc_errors::Applicability; @@ -121,14 +121,7 @@ fn condition_needs_parentheses(e: &Expr<'_>) -> bool { | ExprKind::Type(i, _) | ExprKind::Index(i, _, _) = inner.kind { - if matches!( - i.kind, - ExprKind::Block(..) - | ExprKind::ConstBlock(..) - | ExprKind::If(..) - | ExprKind::Loop(..) - | ExprKind::Match(..) - ) { + if is_block_like(i) { return true; } inner = i; diff --git a/clippy_lints/src/non_expressive_names.rs b/clippy_lints/src/non_expressive_names.rs index 7b26235291a5..eacfe9ff328d 100644 --- a/clippy_lints/src/non_expressive_names.rs +++ b/clippy_lints/src/non_expressive_names.rs @@ -98,6 +98,10 @@ struct SimilarNamesLocalVisitor<'a, 'tcx> { impl<'a, 'tcx> SimilarNamesLocalVisitor<'a, 'tcx> { fn check_single_char_names(&self) { + if self.single_char_names.last().map(Vec::len) == Some(0) { + return; + } + let num_single_char_names = self.single_char_names.iter().flatten().count(); let threshold = self.lint.single_char_binding_names_threshold; if num_single_char_names as u64 > threshold { diff --git a/clippy_lints/src/operators/mod.rs b/clippy_lints/src/operators/mod.rs index e002429e3a47..0948973df5a3 100644 --- a/clippy_lints/src/operators/mod.rs +++ b/clippy_lints/src/operators/mod.rs @@ -70,7 +70,7 @@ declare_clippy_lint! { /// Known safe built-in types like `Wrapping` or `Saturating`, floats, operations in constant /// environments, allowed types and non-constant operations that won't overflow are ignored. /// - /// ### Why is this bad? + /// ### Why restrict this? /// For integers, overflow will trigger a panic in debug builds or wrap the result in /// release mode; division by zero will cause a panic in either mode. As a result, it is /// desirable to explicitly call checked, wrapping or saturating arithmetic methods. @@ -100,7 +100,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for float arithmetic. /// - /// ### Why is this bad? + /// ### Why restrict this? /// For some embedded systems or kernel development, it /// can be useful to rule out floating-point numbers. /// @@ -502,7 +502,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for division of integers /// - /// ### Why is this bad? + /// ### Why restrict this? /// When outside of some very specific algorithms, /// integer division is very often a mistake because it discards the /// remainder. @@ -596,7 +596,7 @@ declare_clippy_lint! { /// value and constant, except in functions called `*eq*` (which probably /// implement equality for a type involving floats). /// - /// ### Why is this bad? + /// ### Why restrict this? /// Floating point calculations are usually imprecise, so /// asking if two values are *exactly* equal is asking for trouble. For a good /// guide on what to do, see [the floating point @@ -653,8 +653,8 @@ declare_clippy_lint! { /// ### What it does /// Checks for modulo arithmetic. /// - /// ### Why is this bad? - /// The results of modulo (%) operation might differ + /// ### Why restrict this? + /// The results of modulo (`%`) operation might differ /// depending on the language, when negative numbers are involved. /// If you interop with different languages it might be beneficial /// to double check all places that use modulo arithmetic. diff --git a/clippy_lints/src/panic_in_result_fn.rs b/clippy_lints/src/panic_in_result_fn.rs index f821a4efee7b..806638c0505b 100644 --- a/clippy_lints/src/panic_in_result_fn.rs +++ b/clippy_lints/src/panic_in_result_fn.rs @@ -13,9 +13,9 @@ use rustc_span::{sym, Span}; declare_clippy_lint! { /// ### What it does - /// Checks for usage of `panic!` or assertions in a function of type result. + /// Checks for usage of `panic!` or assertions in a function whose return type is `Result`. /// - /// ### Why is this bad? + /// ### Why restrict this? /// For some codebases, it is desirable for functions of type result to return an error instead of crashing. Hence panicking macros should be avoided. /// /// ### Known problems diff --git a/clippy_lints/src/panic_unimplemented.rs b/clippy_lints/src/panic_unimplemented.rs index 75066c1f0d2e..80ef761906e0 100644 --- a/clippy_lints/src/panic_unimplemented.rs +++ b/clippy_lints/src/panic_unimplemented.rs @@ -14,8 +14,8 @@ declare_clippy_lint! { /// ### What it does /// Checks for usage of `panic!`. /// - /// ### Why is this bad? - /// `panic!` will stop the execution of the executable. + /// ### Why restrict this? + /// This macro, or panics in general, may be unwanted in production code. /// /// ### Example /// ```no_run @@ -31,8 +31,8 @@ declare_clippy_lint! { /// ### What it does /// Checks for usage of `unimplemented!`. /// - /// ### Why is this bad? - /// This macro should not be present in production code. + /// ### Why restrict this? + /// This macro, or panics in general, may be unwanted in production code. /// /// ### Example /// ```no_run @@ -48,9 +48,9 @@ declare_clippy_lint! { /// ### What it does /// Checks for usage of `todo!`. /// - /// ### Why is this bad? - /// The `todo!` macro is often used for unfinished code, and it causes - /// code to panic. It should not be present in production code. + /// ### Why restrict this? + /// The `todo!` macro indicates the presence of unfinished code, + /// so it should not be present in production code. /// /// ### Example /// ```no_run @@ -70,8 +70,8 @@ declare_clippy_lint! { /// ### What it does /// Checks for usage of `unreachable!`. /// - /// ### Why is this bad? - /// This macro can cause code to panic. + /// ### Why restrict this? + /// This macro, or panics in general, may be unwanted in production code. /// /// ### Example /// ```no_run diff --git a/clippy_lints/src/partial_pub_fields.rs b/clippy_lints/src/partial_pub_fields.rs index ffa403e27ca3..2d20cbea698f 100644 --- a/clippy_lints/src/partial_pub_fields.rs +++ b/clippy_lints/src/partial_pub_fields.rs @@ -5,15 +5,16 @@ use rustc_session::declare_lint_pass; declare_clippy_lint! { /// ### What it does - /// Checks whether partial fields of a struct are public. + /// Checks whether some but not all fields of a `struct` are public. /// /// Either make all fields of a type public, or make none of them public /// - /// ### Why is this bad? + /// ### Why restrict this? /// Most types should either be: /// * Abstract data types: complex objects with opaque implementation which guard - /// interior invariants and expose intentionally limited API to the outside world. - /// * Data: relatively simple objects which group a bunch of related attributes together. + /// interior invariants and expose intentionally limited API to the outside world. + /// * Data: relatively simple objects which group a bunch of related attributes together, + /// but have no invariants. /// /// ### Example /// ```no_run diff --git a/clippy_lints/src/pattern_type_mismatch.rs b/clippy_lints/src/pattern_type_mismatch.rs index 44db061b8bee..9661a57b8b95 100644 --- a/clippy_lints/src/pattern_type_mismatch.rs +++ b/clippy_lints/src/pattern_type_mismatch.rs @@ -30,9 +30,8 @@ declare_clippy_lint! { /// this lint can still be used to highlight areas of interest and ensure a good understanding /// of ownership semantics. /// - /// ### Why is this bad? - /// It isn't bad in general. But in some contexts it can be desirable - /// because it increases ownership hints in the code, and will guard against some changes + /// ### Why restrict this? + /// It increases ownership hints in the code, and will guard against some changes /// in ownership. /// /// ### Example diff --git a/clippy_lints/src/pub_use.rs b/clippy_lints/src/pub_use.rs index c0e999e76ef2..ab8f8a1689dc 100644 --- a/clippy_lints/src/pub_use.rs +++ b/clippy_lints/src/pub_use.rs @@ -5,13 +5,11 @@ use rustc_session::declare_lint_pass; declare_clippy_lint! { /// ### What it does - /// /// Restricts the usage of `pub use ...` /// - /// ### Why is this bad? - /// - /// `pub use` is usually fine, but a project may wish to limit `pub use` instances to prevent - /// unintentional exports or to encourage placing exported items directly in public modules + /// ### Why restrict this? + /// A project may wish to limit `pub use` instances to prevent + /// unintentional exports, or to encourage placing exported items directly in public modules. /// /// ### Example /// ```no_run diff --git a/clippy_lints/src/question_mark_used.rs b/clippy_lints/src/question_mark_used.rs index ddfc53083c46..f5e6cb804da1 100644 --- a/clippy_lints/src/question_mark_used.rs +++ b/clippy_lints/src/question_mark_used.rs @@ -9,7 +9,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for expressions that use the question mark operator and rejects them. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Sometimes code wants to avoid the question mark operator because for instance a local /// block requires a macro to re-throw errors to attach additional information to the /// error. diff --git a/clippy_lints/src/raw_strings.rs b/clippy_lints/src/raw_strings.rs index 7e71f48c6d9a..3a0042454592 100644 --- a/clippy_lints/src/raw_strings.rs +++ b/clippy_lints/src/raw_strings.rs @@ -15,8 +15,10 @@ declare_clippy_lint! { /// ### What it does /// Checks for raw string literals where a string literal can be used instead. /// - /// ### Why is this bad? - /// It's just unnecessary, but there are many cases where using a raw string literal is more + /// ### Why restrict this? + /// For consistent style by using simpler string literals whenever possible. + /// + /// However, there are many cases where using a raw string literal is more /// idiomatic than a string literal, so it's opt-in. /// /// ### Example diff --git a/clippy_lints/src/redundant_slicing.rs b/clippy_lints/src/redundant_slicing.rs index c99b657c23a2..7f87d18e5023 100644 --- a/clippy_lints/src/redundant_slicing.rs +++ b/clippy_lints/src/redundant_slicing.rs @@ -46,7 +46,7 @@ declare_clippy_lint! { /// Checks for slicing expressions which are equivalent to dereferencing the /// value. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Some people may prefer to dereference rather than slice. /// /// ### Example diff --git a/clippy_lints/src/redundant_type_annotations.rs b/clippy_lints/src/redundant_type_annotations.rs index 11b95ee3a54c..81556f396141 100644 --- a/clippy_lints/src/redundant_type_annotations.rs +++ b/clippy_lints/src/redundant_type_annotations.rs @@ -11,7 +11,7 @@ declare_clippy_lint! { /// ### What it does /// Warns about needless / redundant type annotations. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Code without type annotations is shorter and in most cases /// more idiomatic and easier to modify. /// diff --git a/clippy_lints/src/ref_patterns.rs b/clippy_lints/src/ref_patterns.rs index 607a0740b843..467038523b49 100644 --- a/clippy_lints/src/ref_patterns.rs +++ b/clippy_lints/src/ref_patterns.rs @@ -6,9 +6,11 @@ use rustc_session::declare_lint_pass; declare_clippy_lint! { /// ### What it does /// Checks for usages of the `ref` keyword. - /// ### Why is this bad? + /// + /// ### Why restrict this? /// The `ref` keyword can be confusing for people unfamiliar with it, and often /// it is more concise to use `&` instead. + /// /// ### Example /// ```no_run /// let opt = Some(5); diff --git a/clippy_lints/src/returns.rs b/clippy_lints/src/returns.rs index e8f9d4381047..48d6fb3c0378 100644 --- a/clippy_lints/src/returns.rs +++ b/clippy_lints/src/returns.rs @@ -3,8 +3,8 @@ use clippy_utils::source::{snippet_opt, snippet_with_context}; use clippy_utils::sugg::has_enclosing_paren; use clippy_utils::visitors::{for_each_expr_with_closures, Descend}; use clippy_utils::{ - fn_def_id, is_from_proc_macro, is_inside_let_else, is_res_lang_ctor, path_res, path_to_local_id, span_contains_cfg, - span_find_starting_semi, + binary_expr_needs_parentheses, fn_def_id, is_from_proc_macro, is_inside_let_else, is_res_lang_ctor, path_res, + path_to_local_id, span_contains_cfg, span_find_starting_semi, }; use core::ops::ControlFlow; use rustc_errors::Applicability; @@ -129,7 +129,7 @@ enum RetReplacement<'tcx> { Empty, Block, Unit, - IfSequence(Cow<'tcx, str>, Applicability), + NeedsPar(Cow<'tcx, str>, Applicability), Expr(Cow<'tcx, str>, Applicability), } @@ -139,13 +139,13 @@ impl<'tcx> RetReplacement<'tcx> { Self::Empty | Self::Expr(..) => "remove `return`", Self::Block => "replace `return` with an empty block", Self::Unit => "replace `return` with a unit value", - Self::IfSequence(..) => "remove `return` and wrap the sequence with parentheses", + Self::NeedsPar(..) => "remove `return` and wrap the sequence with parentheses", } } fn applicability(&self) -> Applicability { match self { - Self::Expr(_, ap) | Self::IfSequence(_, ap) => *ap, + Self::Expr(_, ap) | Self::NeedsPar(_, ap) => *ap, _ => Applicability::MachineApplicable, } } @@ -157,7 +157,7 @@ impl<'tcx> Display for RetReplacement<'tcx> { Self::Empty => write!(f, ""), Self::Block => write!(f, "{{}}"), Self::Unit => write!(f, "()"), - Self::IfSequence(inner, _) => write!(f, "({inner})"), + Self::NeedsPar(inner, _) => write!(f, "({inner})"), Self::Expr(inner, _) => write!(f, "{inner}"), } } @@ -244,7 +244,11 @@ impl<'tcx> LateLintPass<'tcx> for Return { err.span_label(local.span, "unnecessary `let` binding"); if let Some(mut snippet) = snippet_opt(cx, initexpr.span) { - if !cx.typeck_results().expr_adjustments(retexpr).is_empty() { + if binary_expr_needs_parentheses(initexpr) { + if !has_enclosing_paren(&snippet) { + snippet = format!("({snippet})"); + } + } else if !cx.typeck_results().expr_adjustments(retexpr).is_empty() { if !has_enclosing_paren(&snippet) { snippet = format!("({snippet})"); } @@ -349,8 +353,8 @@ fn check_final_expr<'tcx>( let mut applicability = Applicability::MachineApplicable; let (snippet, _) = snippet_with_context(cx, inner_expr.span, ret_span.ctxt(), "..", &mut applicability); - if expr_contains_conjunctive_ifs(inner_expr) { - RetReplacement::IfSequence(snippet, applicability) + if binary_expr_needs_parentheses(inner_expr) { + RetReplacement::NeedsPar(snippet, applicability) } else { RetReplacement::Expr(snippet, applicability) } @@ -404,18 +408,6 @@ fn check_final_expr<'tcx>( } } -fn expr_contains_conjunctive_ifs<'tcx>(expr: &'tcx Expr<'tcx>) -> bool { - fn contains_if(expr: &Expr<'_>, on_if: bool) -> bool { - match expr.kind { - ExprKind::If(..) => on_if, - ExprKind::Binary(_, left, right) => contains_if(left, true) || contains_if(right, true), - _ => false, - } - } - - contains_if(expr, false) -} - fn emit_return_lint( cx: &LateContext<'_>, ret_span: Span, diff --git a/clippy_lints/src/same_name_method.rs b/clippy_lints/src/same_name_method.rs index 7e27f70bcf94..8fdd19c549f5 100644 --- a/clippy_lints/src/same_name_method.rs +++ b/clippy_lints/src/same_name_method.rs @@ -14,7 +14,7 @@ declare_clippy_lint! { /// It lints if a struct has two methods with the same name: /// one from a trait, another not from trait. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Confusing. /// /// ### Example diff --git a/clippy_lints/src/semicolon_block.rs b/clippy_lints/src/semicolon_block.rs index 0b3adfb7a4b8..0e77acdfd77f 100644 --- a/clippy_lints/src/semicolon_block.rs +++ b/clippy_lints/src/semicolon_block.rs @@ -11,8 +11,7 @@ declare_clippy_lint! { /// Suggests moving the semicolon after a block to the inside of the block, after its last /// expression. /// - /// ### Why is this bad? - /// + /// ### Why restrict this? /// For consistency it's best to have the semicolon inside/outside the block. Either way is fine /// and this lint suggests inside the block. /// Take a look at `semicolon_outside_block` for the other alternative. @@ -40,8 +39,7 @@ declare_clippy_lint! { /// /// Suggests moving the semicolon from a block's final expression outside of the block. /// - /// ### Why is this bad? - /// + /// ### Why restrict this? /// For consistency it's best to have the semicolon inside/outside the block. Either way is fine /// and this lint suggests outside the block. /// Take a look at `semicolon_inside_block` for the other alternative. diff --git a/clippy_lints/src/shadow.rs b/clippy_lints/src/shadow.rs index 9db08acb03b2..80f5fd0b4944 100644 --- a/clippy_lints/src/shadow.rs +++ b/clippy_lints/src/shadow.rs @@ -15,10 +15,10 @@ declare_clippy_lint! { /// Checks for bindings that shadow other bindings already in /// scope, while just changing reference level or mutability. /// - /// ### Why is this bad? - /// Not much, in fact it's a very common pattern in Rust - /// code. Still, some may opt to avoid it in their code base, they can set this - /// lint to `Warn`. + /// ### Why restrict this? + /// To require that what are formally distinct variables be given distinct names. + /// + /// See also `shadow_reuse` and `shadow_unrelated` for other restrictions on shadowing. /// /// ### Example /// ```no_run @@ -42,12 +42,13 @@ declare_clippy_lint! { /// Checks for bindings that shadow other bindings already in /// scope, while reusing the original value. /// - /// ### Why is this bad? - /// Not too much, in fact it's a common pattern in Rust - /// code. Still, some argue that name shadowing like this hurts readability, + /// ### Why restrict this? + /// Some argue that name shadowing like this hurts readability, /// because a value may be bound to different things depending on position in /// the code. /// + /// See also `shadow_same` and `shadow_unrelated` for other restrictions on shadowing. + /// /// ### Example /// ```no_run /// let x = 2; @@ -70,11 +71,14 @@ declare_clippy_lint! { /// scope, either without an initialization or with one that does not even use /// the original value. /// - /// ### Why is this bad? - /// Name shadowing can hurt readability, especially in + /// ### Why restrict this? + /// Shadowing a binding with a closely related one is part of idiomatic Rust, + /// but shadowing a binding by accident with an unrelated one may indicate a mistake. + /// + /// Additionally, name shadowing in general can hurt readability, especially in /// large code bases, because it is easy to lose track of the active binding at - /// any place in the code. This can be alleviated by either giving more specific - /// names to bindings or introducing more scopes to contain the bindings. + /// any place in the code. If linting against all shadowing is desired, you may wish + /// to use the `shadow_same` and `shadow_reuse` lints as well. /// /// ### Example /// ```no_run diff --git a/clippy_lints/src/single_call_fn.rs b/clippy_lints/src/single_call_fn.rs index 2ce7e714c642..c71bc3f7fcde 100644 --- a/clippy_lints/src/single_call_fn.rs +++ b/clippy_lints/src/single_call_fn.rs @@ -13,13 +13,20 @@ declare_clippy_lint! { /// ### What it does /// Checks for functions that are only used once. Does not lint tests. /// - /// ### Why is this bad? - /// It's usually not, splitting a function into multiple parts often improves readability and in - /// the case of generics, can prevent the compiler from duplicating the function dozens of - /// time; instead, only duplicating a thunk. But this can prevent segmentation across a - /// codebase, where many small functions are used only once. + /// ### Why restrict this? + /// If a function is only used once (perhaps because it used to be used more widely), + /// then the code could be simplified by moving that function's code into its caller. /// - /// Note: If this lint is used, prepare to allow this a lot. + /// However, there are reasons not to do this everywhere: + /// + /// * Splitting a large function into multiple parts often improves readability + /// by giving names to its parts. + /// * A function’s signature might serve a necessary purpose, such as constraining + /// the type of a closure passed to it. + /// * Generic functions might call non-generic functions to reduce duplication + /// in the produced machine code. + /// + /// If this lint is used, prepare to `#[allow]` it a lot. /// /// ### Example /// ```no_run diff --git a/clippy_lints/src/single_char_lifetime_names.rs b/clippy_lints/src/single_char_lifetime_names.rs index 42f1564db353..72feb977c310 100644 --- a/clippy_lints/src/single_char_lifetime_names.rs +++ b/clippy_lints/src/single_char_lifetime_names.rs @@ -9,11 +9,10 @@ declare_clippy_lint! { /// Checks for lifetimes with names which are one character /// long. /// - /// ### Why is this bad? + /// ### Why restrict this? /// A single character is likely not enough to express the /// purpose of a lifetime. Using a longer name can make code - /// easier to understand, especially for those who are new to - /// Rust. + /// easier to understand. /// /// ### Known problems /// Rust programmers and learning resources tend to use single diff --git a/clippy_lints/src/std_instead_of_core.rs b/clippy_lints/src/std_instead_of_core.rs index 926c56332cc1..12b70075a3d5 100644 --- a/clippy_lints/src/std_instead_of_core.rs +++ b/clippy_lints/src/std_instead_of_core.rs @@ -12,11 +12,9 @@ use rustc_span::{sym, Span}; declare_clippy_lint! { /// ### What it does - /// /// Finds items imported through `std` when available through `core`. /// - /// ### Why is this bad? - /// + /// ### Why restrict this? /// Crates which have `no_std` compatibility may wish to ensure types are imported from core to ensure /// disabling `std` does not cause the crate to fail to compile. This lint is also useful for crates /// migrating to become `no_std` compatible. @@ -37,11 +35,9 @@ declare_clippy_lint! { declare_clippy_lint! { /// ### What it does - /// /// Finds items imported through `std` when available through `alloc`. /// - /// ### Why is this bad? - /// + /// ### Why restrict this? /// Crates which have `no_std` compatibility and require alloc may wish to ensure types are imported from /// alloc to ensure disabling `std` does not cause the crate to fail to compile. This lint is also useful /// for crates migrating to become `no_std` compatible. @@ -63,11 +59,9 @@ declare_clippy_lint! { declare_clippy_lint! { /// ### What it does - /// /// Finds items imported through `alloc` when available through `core`. /// - /// ### Why is this bad? - /// + /// ### Why restrict this? /// Crates which have `no_std` compatibility and may optionally require alloc may wish to ensure types are /// imported from core to ensure disabling `alloc` does not cause the crate to fail to compile. This lint /// is also useful for crates migrating to become `no_std` compatible. diff --git a/clippy_lints/src/strings.rs b/clippy_lints/src/strings.rs index 292124196ff6..f8d36d6b92f6 100644 --- a/clippy_lints/src/strings.rs +++ b/clippy_lints/src/strings.rs @@ -45,10 +45,10 @@ declare_clippy_lint! { /// `String`, but only if [`string_add_assign`](#string_add_assign) does *not* /// match. /// - /// ### Why is this bad? - /// It's not bad in and of itself. However, this particular + /// ### Why restrict this? + /// This particular /// `Add` implementation is asymmetric (the other operand need not be `String`, - /// but `x` does), while addition as mathematically defined is symmetric, also + /// but `x` does), while addition as mathematically defined is symmetric, and /// the `String::push_str(_)` function is a perfectly good replacement. /// Therefore, some dislike it and wish not to have it in their code. /// @@ -123,7 +123,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for slice operations on strings /// - /// ### Why is this bad? + /// ### Why restrict this? /// UTF-8 characters span multiple bytes, and it is easy to inadvertently confuse character /// counts and string indices. This may lead to panics, and should warrant some test cases /// containing wide UTF-8 characters. This lint is most useful in code that should avoid @@ -364,10 +364,10 @@ declare_clippy_lint! { /// ### What it does /// This lint checks for `.to_string()` method calls on values of type `&str`. /// - /// ### Why is this bad? + /// ### Why restrict this? /// The `to_string` method is also used on other types to convert them to a string. - /// When called on a `&str` it turns the `&str` into the owned variant `String`, which can be better - /// expressed with `.to_owned()`. + /// When called on a `&str` it turns the `&str` into the owned variant `String`, which can be + /// more specifically expressed with `.to_owned()`. /// /// ### Example /// ```no_run @@ -415,9 +415,10 @@ declare_clippy_lint! { /// ### What it does /// This lint checks for `.to_string()` method calls on values of type `String`. /// - /// ### Why is this bad? + /// ### Why restrict this? /// The `to_string` method is also used on other types to convert them to a string. - /// When called on a `String` it only clones the `String`, which can be better expressed with `.clone()`. + /// When called on a `String` it only clones the `String`, which can be more specifically + /// expressed with `.clone()`. /// /// ### Example /// ```no_run diff --git a/clippy_lints/src/suspicious_xor_used_as_pow.rs b/clippy_lints/src/suspicious_xor_used_as_pow.rs index 1cc27670fa8b..d150a5f858aa 100644 --- a/clippy_lints/src/suspicious_xor_used_as_pow.rs +++ b/clippy_lints/src/suspicious_xor_used_as_pow.rs @@ -11,8 +11,10 @@ use rustc_session::declare_lint_pass; declare_clippy_lint! { /// ### What it does /// Warns for a Bitwise XOR (`^`) operator being probably confused as a powering. It will not trigger if any of the numbers are not in decimal. - /// ### Why is this bad? + /// + /// ### Why restrict this? /// It's most probably a typo and may lead to unexpected behaviours. + /// /// ### Example /// ```no_run /// let x = 3_i32 ^ 4_i32; diff --git a/clippy_lints/src/tests_outside_test_module.rs b/clippy_lints/src/tests_outside_test_module.rs index da5575826475..58e42892c41d 100644 --- a/clippy_lints/src/tests_outside_test_module.rs +++ b/clippy_lints/src/tests_outside_test_module.rs @@ -11,9 +11,11 @@ declare_clippy_lint! { /// ### What it does /// Triggers when a testing function (marked with the `#[test]` attribute) isn't inside a testing module /// (marked with `#[cfg(test)]`). - /// ### Why is this bad? + /// + /// ### Why restrict this? /// The idiomatic (and more performant) way of writing tests is inside a testing module (flagged with `#[cfg(test)]`), /// having test functions outside of this module is confusing and may lead to them being "hidden". + /// /// ### Example /// ```no_run /// #[test] diff --git a/clippy_lints/src/types/mod.rs b/clippy_lints/src/types/mod.rs index 5e45ab211efd..62ef65ca122f 100644 --- a/clippy_lints/src/types/mod.rs +++ b/clippy_lints/src/types/mod.rs @@ -217,7 +217,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for `Rc` and `Arc` when `T` is a mutable buffer type such as `String` or `Vec`. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Expressions such as `Rc` usually have no advantage over `Rc`, since /// it is larger and involves an extra level of indirection, and doesn't implement `Borrow`. /// @@ -274,7 +274,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for `Rc>`. /// - /// ### Why is this bad? + /// ### Why restrict this? /// `Rc` is used in single thread and `Mutex` is used in multi thread. /// Consider using `Rc>` in single thread or `Arc>` in multi thread. /// diff --git a/clippy_lints/src/undocumented_unsafe_blocks.rs b/clippy_lints/src/undocumented_unsafe_blocks.rs index 4120bb1331bd..6cf9229fdd08 100644 --- a/clippy_lints/src/undocumented_unsafe_blocks.rs +++ b/clippy_lints/src/undocumented_unsafe_blocks.rs @@ -38,10 +38,9 @@ declare_clippy_lint! { /// ); /// ``` /// - /// ### Why is this bad? - /// Undocumented unsafe blocks and impls can make it difficult to - /// read and maintain code, as well as uncover unsoundness - /// and bugs. + /// ### Why restrict this? + /// Undocumented unsafe blocks and impls can make it difficult to read and maintain code. + /// Writing out the safety justification may help in discovering unsoundness or bugs. /// /// ### Example /// ```no_run @@ -67,7 +66,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for `// SAFETY: ` comments on safe code. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Safe code has no safety requirements, so there is no need to /// describe safety invariants. /// diff --git a/clippy_lints/src/unicode.rs b/clippy_lints/src/unicode.rs index 3d319b9fe767..d42697b31d1f 100644 --- a/clippy_lints/src/unicode.rs +++ b/clippy_lints/src/unicode.rs @@ -31,7 +31,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for non-ASCII characters in string and char literals. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Yeah, we know, the 90's called and wanted their charset /// back. Even so, there still are editors and other programs out there that /// don't work well with Unicode. So if the code is meant to be used diff --git a/clippy_lints/src/unnecessary_self_imports.rs b/clippy_lints/src/unnecessary_self_imports.rs index 528a1dfcfc10..93dff1b85796 100644 --- a/clippy_lints/src/unnecessary_self_imports.rs +++ b/clippy_lints/src/unnecessary_self_imports.rs @@ -9,7 +9,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for imports ending in `::{self}`. /// - /// ### Why is this bad? + /// ### Why restrict this? /// In most cases, this can be written much more cleanly by omitting `::{self}`. /// /// ### Known problems diff --git a/clippy_lints/src/unwrap_in_result.rs b/clippy_lints/src/unwrap_in_result.rs index aca500590cef..197ab0f173bd 100644 --- a/clippy_lints/src/unwrap_in_result.rs +++ b/clippy_lints/src/unwrap_in_result.rs @@ -13,8 +13,10 @@ declare_clippy_lint! { /// ### What it does /// Checks for functions of type `Result` that contain `expect()` or `unwrap()` /// - /// ### Why is this bad? - /// These functions promote recoverable errors to non-recoverable errors which may be undesirable in code bases which wish to avoid panics. + /// ### Why restrict this? + /// These functions promote recoverable errors to non-recoverable errors, + /// which may be undesirable in code bases which wish to avoid panics, + /// or be a bug in the specific function. /// /// ### Known problems /// This can cause false positives in functions that handle both recoverable and non recoverable errors. diff --git a/clippy_lints/src/visibility.rs b/clippy_lints/src/visibility.rs index 9818b98dd5b4..11dcceca7abb 100644 --- a/clippy_lints/src/visibility.rs +++ b/clippy_lints/src/visibility.rs @@ -32,7 +32,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for usage of `pub()` with `in`. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Consistency. Use it or don't, just be consistent about it. /// /// Also see the `pub_without_shorthand` lint for an alternative. @@ -57,7 +57,7 @@ declare_clippy_lint! { /// Note: As you cannot write a module's path in `pub()`, this will only trigger on /// `pub(super)` and the like. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Consistency. Use it or don't, just be consistent about it. /// /// Also see the `pub_with_shorthand` lint for an alternative. diff --git a/clippy_lints/src/write.rs b/clippy_lints/src/write.rs index ff6ee0d10ad5..652ce88bd951 100644 --- a/clippy_lints/src/write.rs +++ b/clippy_lints/src/write.rs @@ -66,7 +66,7 @@ declare_clippy_lint! { /// Checks for printing on *stdout*. The purpose of this lint /// is to catch debugging remnants. /// - /// ### Why is this bad? + /// ### Why restrict this? /// People often print on *stdout* while debugging an /// application and might forget to remove those prints afterward. /// @@ -88,7 +88,7 @@ declare_clippy_lint! { /// Checks for printing on *stderr*. The purpose of this lint /// is to catch debugging remnants. /// - /// ### Why is this bad? + /// ### Why restrict this? /// People often print on *stderr* while debugging an /// application and might forget to remove those prints afterward. /// @@ -110,15 +110,18 @@ declare_clippy_lint! { /// Checks for usage of `Debug` formatting. The purpose of this /// lint is to catch debugging remnants. /// - /// ### Why is this bad? - /// The purpose of the `Debug` trait is to facilitate - /// debugging Rust code. It should not be used in user-facing output. + /// ### Why restrict this? + /// The purpose of the `Debug` trait is to facilitate debugging Rust code, + /// and [no guarantees are made about its output][stability]. + /// It should not be used in user-facing output. /// /// ### Example /// ```no_run /// # let foo = "bar"; /// println!("{:?}", foo); /// ``` + /// + /// [stability]: https://doc.rust-lang.org/stable/std/fmt/trait.Debug.html#stability #[clippy::version = "pre 1.29.0"] pub USE_DEBUG, restriction, diff --git a/clippy_utils/src/consts.rs b/clippy_utils/src/consts.rs index f5d3967d130d..cd88ccd87cf0 100644 --- a/clippy_utils/src/consts.rs +++ b/clippy_utils/src/consts.rs @@ -412,8 +412,7 @@ impl<'a, 'tcx> ConstEvalLateContext<'a, 'tcx> { /// Simple constant folding: Insert an expression, get a constant or none. pub fn expr(&mut self, e: &Expr<'_>) -> Option> { match e.kind { - ExprKind::ConstBlock(e) | - ExprKind::DropTemps(e) => self.expr(e), + ExprKind::ConstBlock(e) | ExprKind::DropTemps(e) => self.expr(e), ExprKind::Path(ref qpath) => { self.fetch_path_and_apply(qpath, e.hir_id, self.typeck_results.expr_ty(e), |this, result| { let result = mir_to_const(this.lcx, result)?; @@ -491,8 +490,7 @@ impl<'a, 'tcx> ConstEvalLateContext<'a, 'tcx> { /// leaves the local crate. pub fn expr_is_empty(&mut self, e: &Expr<'_>) -> Option { match e.kind { - ExprKind::ConstBlock(e) | - ExprKind::DropTemps(e) => self.expr_is_empty(e), + ExprKind::ConstBlock(e) | ExprKind::DropTemps(e) => self.expr_is_empty(e), ExprKind::Path(ref qpath) => { if !self .typeck_results diff --git a/clippy_utils/src/hir_utils.rs b/clippy_utils/src/hir_utils.rs index cc5ccd4053a2..817d4095eb53 100644 --- a/clippy_utils/src/hir_utils.rs +++ b/clippy_utils/src/hir_utils.rs @@ -769,7 +769,7 @@ impl<'a, 'tcx> SpanlessHash<'a, 'tcx> { // closures inherit TypeckResults self.hash_expr(self.cx.tcx.hir().body(body).value); }, - ExprKind::ConstBlock(ref l_id) => { + ExprKind::ConstBlock(l_id) => { self.hash_expr(l_id); }, ExprKind::DropTemps(e) | ExprKind::Yield(e, _) => { diff --git a/clippy_utils/src/lib.rs b/clippy_utils/src/lib.rs index 94d4656377f9..b10830b24e1f 100644 --- a/clippy_utils/src/lib.rs +++ b/clippy_utils/src/lib.rs @@ -3370,3 +3370,25 @@ pub fn is_parent_stmt(cx: &LateContext<'_>, id: HirId) -> bool { Node::Stmt(..) | Node::Block(Block { stmts: &[], .. }) ) } + +/// Returns true if the given `expr` is a block or resembled as a block, +/// such as `if`, `loop`, `match` expressions etc. +pub fn is_block_like(expr: &Expr<'_>) -> bool { + matches!( + expr.kind, + ExprKind::Block(..) | ExprKind::ConstBlock(..) | ExprKind::If(..) | ExprKind::Loop(..) | ExprKind::Match(..) + ) +} + +/// Returns true if the given `expr` is binary expression that needs to be wrapped in parentheses. +pub fn binary_expr_needs_parentheses(expr: &Expr<'_>) -> bool { + fn contains_block(expr: &Expr<'_>, is_operand: bool) -> bool { + match expr.kind { + ExprKind::Binary(_, lhs, _) => contains_block(lhs, true), + _ if is_block_like(expr) => is_operand, + _ => false, + } + } + + contains_block(expr, false) +} diff --git a/clippy_utils/src/ty.rs b/clippy_utils/src/ty.rs index 2dacc34867f0..3414b5ef680c 100644 --- a/clippy_utils/src/ty.rs +++ b/clippy_utils/src/ty.rs @@ -9,7 +9,7 @@ use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_hir as hir; use rustc_hir::def::{CtorKind, CtorOf, DefKind, Res}; use rustc_hir::def_id::DefId; -use rustc_hir::{Expr, FnDecl, Safety, LangItem, TyKind}; +use rustc_hir::{Expr, FnDecl, LangItem, Safety, TyKind}; use rustc_infer::infer::TyCtxtInferExt; use rustc_lint::LateContext; use rustc_middle::mir::interpret::Scalar; @@ -18,8 +18,8 @@ use rustc_middle::traits::EvaluationResult; use rustc_middle::ty::layout::ValidityRequirement; use rustc_middle::ty::{ self, AdtDef, AliasTy, AssocKind, Binder, BoundRegion, FnSig, GenericArg, GenericArgKind, GenericArgsRef, - GenericParamDefKind, IntTy, ParamEnv, Region, RegionKind, Upcast, TraitRef, Ty, TyCtxt, - TypeSuperVisitable, TypeVisitable, TypeVisitableExt, TypeVisitor, UintTy, VariantDef, VariantDiscr, + GenericParamDefKind, IntTy, ParamEnv, Region, RegionKind, TraitRef, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable, + TypeVisitableExt, TypeVisitor, UintTy, Upcast, VariantDef, VariantDiscr, }; use rustc_span::symbol::Ident; use rustc_span::{sym, Span, Symbol, DUMMY_SP}; diff --git a/rust-toolchain b/rust-toolchain index a0585ffdb45b..dd8b9ece773e 100644 --- a/rust-toolchain +++ b/rust-toolchain @@ -1,3 +1,3 @@ [toolchain] -channel = "nightly-2024-05-16" +channel = "nightly-2024-05-30" components = ["cargo", "llvm-tools", "rust-src", "rust-std", "rustc", "rustc-dev", "rustfmt"] diff --git a/tests/ui-internal/disallow_span_lint.rs b/tests/ui-internal/disallow_span_lint.rs index b91a83308b5f..ca71dddcc24f 100644 --- a/tests/ui-internal/disallow_span_lint.rs +++ b/tests/ui-internal/disallow_span_lint.rs @@ -11,11 +11,15 @@ use rustc_lint::{Lint, LintContext}; use rustc_middle::ty::TyCtxt; pub fn a(cx: impl LintContext, lint: &'static Lint, span: impl Into, msg: impl Into) { - cx.span_lint(lint, span, |lint| { lint.primary_message(msg); }); + cx.span_lint(lint, span, |lint| { + lint.primary_message(msg); + }); } pub fn b(tcx: TyCtxt<'_>, lint: &'static Lint, hir_id: HirId, span: impl Into, msg: impl Into) { - tcx.node_span_lint(lint, hir_id, span, |lint| { lint.primary_message(msg); }); + tcx.node_span_lint(lint, hir_id, span, |lint| { + lint.primary_message(msg); + }); } fn main() {} diff --git a/tests/ui-internal/disallow_span_lint.stderr b/tests/ui-internal/disallow_span_lint.stderr index 1cfbc8efc8ed..1be4b665bcba 100644 --- a/tests/ui-internal/disallow_span_lint.stderr +++ b/tests/ui-internal/disallow_span_lint.stderr @@ -1,18 +1,22 @@ error: use of a disallowed method `rustc_lint::context::LintContext::span_lint` --> tests/ui-internal/disallow_span_lint.rs:14:5 | -LL | cx.span_lint(lint, span, |lint| { lint.primary_message(msg); }); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | / cx.span_lint(lint, span, |lint| { +LL | | lint.primary_message(msg); +LL | | }); + | |______^ | = note: this function does not add a link to our documentation, please use the `clippy_utils::diagnostics::span_lint*` functions instead (from clippy.toml) = note: `-D clippy::disallowed-methods` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::disallowed_methods)]` error: use of a disallowed method `rustc_middle::ty::context::TyCtxt::node_span_lint` - --> tests/ui-internal/disallow_span_lint.rs:18:5 + --> tests/ui-internal/disallow_span_lint.rs:20:5 | -LL | tcx.node_span_lint(lint, hir_id, span, |lint| { lint.primary_message(msg); }); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | / tcx.node_span_lint(lint, hir_id, span, |lint| { +LL | | lint.primary_message(msg); +LL | | }); + | |______^ | = note: this function does not add a link to our documentation, please use the `clippy_utils::diagnostics::span_lint_hir*` functions instead (from clippy.toml) diff --git a/tests/ui/derive_partial_eq_without_eq.fixed b/tests/ui/derive_partial_eq_without_eq.fixed index 6f42487bbf49..eb93eb8e8ed4 100644 --- a/tests/ui/derive_partial_eq_without_eq.fixed +++ b/tests/ui/derive_partial_eq_without_eq.fixed @@ -1,3 +1,4 @@ +#![feature(lint_reasons)] #![allow(unused)] #![warn(clippy::derive_partial_eq_without_eq)] @@ -14,6 +15,22 @@ pub struct MissingEq { bar: String, } +// Check that we honor the `allow` attribute +#[allow(clippy::derive_partial_eq_without_eq)] +#[derive(Debug, PartialEq)] +pub struct AllowedMissingEq { + foo: u32, + bar: String, +} + +// Check that we honor the `expect` attribute +#[expect(clippy::derive_partial_eq_without_eq)] +#[derive(Debug, PartialEq)] +pub struct ExpectedMissingEq { + foo: u32, + bar: String, +} + // Eq is derived #[derive(PartialEq, Eq)] pub struct NotMissingEq { diff --git a/tests/ui/derive_partial_eq_without_eq.rs b/tests/ui/derive_partial_eq_without_eq.rs index 24f687c6c9db..42dc435bdd52 100644 --- a/tests/ui/derive_partial_eq_without_eq.rs +++ b/tests/ui/derive_partial_eq_without_eq.rs @@ -1,3 +1,4 @@ +#![feature(lint_reasons)] #![allow(unused)] #![warn(clippy::derive_partial_eq_without_eq)] @@ -14,6 +15,22 @@ pub struct MissingEq { bar: String, } +// Check that we honor the `allow` attribute +#[allow(clippy::derive_partial_eq_without_eq)] +#[derive(Debug, PartialEq)] +pub struct AllowedMissingEq { + foo: u32, + bar: String, +} + +// Check that we honor the `expect` attribute +#[expect(clippy::derive_partial_eq_without_eq)] +#[derive(Debug, PartialEq)] +pub struct ExpectedMissingEq { + foo: u32, + bar: String, +} + // Eq is derived #[derive(PartialEq, Eq)] pub struct NotMissingEq { diff --git a/tests/ui/derive_partial_eq_without_eq.stderr b/tests/ui/derive_partial_eq_without_eq.stderr index 3d92112dc36d..29cd7da6b77d 100644 --- a/tests/ui/derive_partial_eq_without_eq.stderr +++ b/tests/ui/derive_partial_eq_without_eq.stderr @@ -1,5 +1,5 @@ error: you are deriving `PartialEq` and can implement `Eq` - --> tests/ui/derive_partial_eq_without_eq.rs:11:17 + --> tests/ui/derive_partial_eq_without_eq.rs:12:17 | LL | #[derive(Debug, PartialEq)] | ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq` @@ -8,73 +8,73 @@ LL | #[derive(Debug, PartialEq)] = help: to override `-D warnings` add `#[allow(clippy::derive_partial_eq_without_eq)]` error: you are deriving `PartialEq` and can implement `Eq` - --> tests/ui/derive_partial_eq_without_eq.rs:53:10 + --> tests/ui/derive_partial_eq_without_eq.rs:70:10 | LL | #[derive(PartialEq)] | ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq` error: you are deriving `PartialEq` and can implement `Eq` - --> tests/ui/derive_partial_eq_without_eq.rs:59:10 + --> tests/ui/derive_partial_eq_without_eq.rs:76:10 | LL | #[derive(PartialEq)] | ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq` error: you are deriving `PartialEq` and can implement `Eq` - --> tests/ui/derive_partial_eq_without_eq.rs:65:10 + --> tests/ui/derive_partial_eq_without_eq.rs:82:10 | LL | #[derive(PartialEq)] | ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq` error: you are deriving `PartialEq` and can implement `Eq` - --> tests/ui/derive_partial_eq_without_eq.rs:68:10 + --> tests/ui/derive_partial_eq_without_eq.rs:85:10 | LL | #[derive(PartialEq)] | ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq` error: you are deriving `PartialEq` and can implement `Eq` - --> tests/ui/derive_partial_eq_without_eq.rs:74:10 + --> tests/ui/derive_partial_eq_without_eq.rs:91:10 | LL | #[derive(PartialEq)] | ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq` error: you are deriving `PartialEq` and can implement `Eq` - --> tests/ui/derive_partial_eq_without_eq.rs:80:10 + --> tests/ui/derive_partial_eq_without_eq.rs:97:10 | LL | #[derive(PartialEq)] | ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq` error: you are deriving `PartialEq` and can implement `Eq` - --> tests/ui/derive_partial_eq_without_eq.rs:93:17 + --> tests/ui/derive_partial_eq_without_eq.rs:110:17 | LL | #[derive(Debug, PartialEq, Clone)] | ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq` error: you are deriving `PartialEq` and can implement `Eq` - --> tests/ui/derive_partial_eq_without_eq.rs:96:10 + --> tests/ui/derive_partial_eq_without_eq.rs:113:10 | LL | #[derive(PartialEq)] | ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq` error: you are deriving `PartialEq` and can implement `Eq` - --> tests/ui/derive_partial_eq_without_eq.rs:103:14 + --> tests/ui/derive_partial_eq_without_eq.rs:120:14 | LL | #[derive(PartialEq)] | ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq` error: you are deriving `PartialEq` and can implement `Eq` - --> tests/ui/derive_partial_eq_without_eq.rs:106:14 + --> tests/ui/derive_partial_eq_without_eq.rs:123:14 | LL | #[derive(PartialEq)] | ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq` error: you are deriving `PartialEq` and can implement `Eq` - --> tests/ui/derive_partial_eq_without_eq.rs:166:14 + --> tests/ui/derive_partial_eq_without_eq.rs:183:14 | LL | #[derive(PartialEq)] | ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq` error: you are deriving `PartialEq` and can implement `Eq` - --> tests/ui/derive_partial_eq_without_eq.rs:174:14 + --> tests/ui/derive_partial_eq_without_eq.rs:191:14 | LL | #[derive(PartialEq)] | ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq` diff --git a/tests/ui/doc/doc-fixable.fixed b/tests/ui/doc/doc-fixable.fixed index 7e22c847b1bc..84673f1f43fd 100644 --- a/tests/ui/doc/doc-fixable.fixed +++ b/tests/ui/doc/doc-fixable.fixed @@ -240,3 +240,6 @@ extern { /// `foo()` fn in_extern(); } + +/// +fn check_autofix_for_base_urls() {} diff --git a/tests/ui/doc/doc-fixable.rs b/tests/ui/doc/doc-fixable.rs index 3e2cb0df54b0..4d017a99e0fb 100644 --- a/tests/ui/doc/doc-fixable.rs +++ b/tests/ui/doc/doc-fixable.rs @@ -240,3 +240,6 @@ extern { /// foo() fn in_extern(); } + +/// https://github.com/rust-lang/rust-clippy/pull/12836 +fn check_autofix_for_base_urls() {} diff --git a/tests/ui/doc/doc-fixable.stderr b/tests/ui/doc/doc-fixable.stderr index cd2228c47e35..a9263f62d38d 100644 --- a/tests/ui/doc/doc-fixable.stderr +++ b/tests/ui/doc/doc-fixable.stderr @@ -363,5 +363,11 @@ help: try LL | /// `foo()` | ~~~~~~~ -error: aborting due to 33 previous errors +error: you should put bare URLs between `<`/`>` or make a proper Markdown link + --> tests/ui/doc/doc-fixable.rs:244:5 + | +LL | /// https://github.com/rust-lang/rust-clippy/pull/12836 + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `` + +error: aborting due to 34 previous errors diff --git a/tests/ui/doc/issue_12795.fixed b/tests/ui/doc/issue_12795.fixed new file mode 100644 index 000000000000..ade23bf975c2 --- /dev/null +++ b/tests/ui/doc/issue_12795.fixed @@ -0,0 +1,9 @@ +#![warn(clippy::doc_markdown)] + +//! A comment with `a_b(x)` and `a_c` in it and (`a_b((c))` ) too and (maybe `a_b((c))`) +//~^ ERROR: item in documentation is missing backticks +//~| ERROR: item in documentation is missing backticks +//~| ERROR: item in documentation is missing backticks +//~| ERROR: item in documentation is missing backticks + +pub fn main() {} diff --git a/tests/ui/doc/issue_12795.rs b/tests/ui/doc/issue_12795.rs new file mode 100644 index 000000000000..6d94a07e3036 --- /dev/null +++ b/tests/ui/doc/issue_12795.rs @@ -0,0 +1,9 @@ +#![warn(clippy::doc_markdown)] + +//! A comment with a_b(x) and a_c in it and (a_b((c)) ) too and (maybe a_b((c))) +//~^ ERROR: item in documentation is missing backticks +//~| ERROR: item in documentation is missing backticks +//~| ERROR: item in documentation is missing backticks +//~| ERROR: item in documentation is missing backticks + +pub fn main() {} diff --git a/tests/ui/doc/issue_12795.stderr b/tests/ui/doc/issue_12795.stderr new file mode 100644 index 000000000000..5700145ec8f7 --- /dev/null +++ b/tests/ui/doc/issue_12795.stderr @@ -0,0 +1,48 @@ +error: item in documentation is missing backticks + --> tests/ui/doc/issue_12795.rs:3:20 + | +LL | //! A comment with a_b(x) and a_c in it and (a_b((c)) ) too and (maybe a_b((c))) + | ^^^^^^ + | + = note: `-D clippy::doc-markdown` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::doc_markdown)]` +help: try + | +LL | //! A comment with `a_b(x)` and a_c in it and (a_b((c)) ) too and (maybe a_b((c))) + | ~~~~~~~~ + +error: item in documentation is missing backticks + --> tests/ui/doc/issue_12795.rs:3:31 + | +LL | //! A comment with a_b(x) and a_c in it and (a_b((c)) ) too and (maybe a_b((c))) + | ^^^ + | +help: try + | +LL | //! A comment with a_b(x) and `a_c` in it and (a_b((c)) ) too and (maybe a_b((c))) + | ~~~~~ + +error: item in documentation is missing backticks + --> tests/ui/doc/issue_12795.rs:3:46 + | +LL | //! A comment with a_b(x) and a_c in it and (a_b((c)) ) too and (maybe a_b((c))) + | ^^^^^^^^ + | +help: try + | +LL | //! A comment with a_b(x) and a_c in it and (`a_b((c))` ) too and (maybe a_b((c))) + | ~~~~~~~~~~ + +error: item in documentation is missing backticks + --> tests/ui/doc/issue_12795.rs:3:72 + | +LL | //! A comment with a_b(x) and a_c in it and (a_b((c)) ) too and (maybe a_b((c))) + | ^^^^^^^^ + | +help: try + | +LL | //! A comment with a_b(x) and a_c in it and (a_b((c)) ) too and (maybe `a_b((c))`) + | ~~~~~~~~~~ + +error: aborting due to 4 previous errors + diff --git a/tests/ui/iter_on_empty_collections.fixed b/tests/ui/iter_on_empty_collections.fixed index 794629f240eb..0f28b48d9ab8 100644 --- a/tests/ui/iter_on_empty_collections.fixed +++ b/tests/ui/iter_on_empty_collections.fixed @@ -20,6 +20,28 @@ fn array() { }; let _ = if false { ["test"].iter() } else { [].iter() }; + + let smth = Some(vec![1, 2, 3]); + + // Don't trigger when the empty collection iter is relied upon for its concrete type + // But do trigger if it is just an iterator, despite being an argument to a method + for i in smth.as_ref().map_or([].iter(), |s| s.iter()).chain(std::iter::empty()) { + println!("{i}"); + } + + // Same as above, but for empty collection iters with extra layers + for i in smth.as_ref().map_or({ [].iter() }, |s| s.iter()) { + println!("{y}", y = i + 1); + } + + // Same as above, but for regular function calls + for i in Option::map_or(smth.as_ref(), [].iter(), |s| s.iter()) { + println!("{i}"); + } + + // Same as above, but when there are no predicates that mention the collection iter type. + let mut iter = [34, 228, 35].iter(); + let _ = std::mem::replace(&mut iter, [].iter()); } macro_rules! in_macros { diff --git a/tests/ui/iter_on_empty_collections.rs b/tests/ui/iter_on_empty_collections.rs index a6461a702eb2..702da514df7d 100644 --- a/tests/ui/iter_on_empty_collections.rs +++ b/tests/ui/iter_on_empty_collections.rs @@ -20,6 +20,28 @@ fn array() { }; let _ = if false { ["test"].iter() } else { [].iter() }; + + let smth = Some(vec![1, 2, 3]); + + // Don't trigger when the empty collection iter is relied upon for its concrete type + // But do trigger if it is just an iterator, despite being an argument to a method + for i in smth.as_ref().map_or([].iter(), |s| s.iter()).chain([].iter()) { + println!("{i}"); + } + + // Same as above, but for empty collection iters with extra layers + for i in smth.as_ref().map_or({ [].iter() }, |s| s.iter()) { + println!("{y}", y = i + 1); + } + + // Same as above, but for regular function calls + for i in Option::map_or(smth.as_ref(), [].iter(), |s| s.iter()) { + println!("{i}"); + } + + // Same as above, but when there are no predicates that mention the collection iter type. + let mut iter = [34, 228, 35].iter(); + let _ = std::mem::replace(&mut iter, [].iter()); } macro_rules! in_macros { diff --git a/tests/ui/iter_on_empty_collections.stderr b/tests/ui/iter_on_empty_collections.stderr index ade20ff26a01..da9caa6925bd 100644 --- a/tests/ui/iter_on_empty_collections.stderr +++ b/tests/ui/iter_on_empty_collections.stderr @@ -37,5 +37,11 @@ error: `iter` call on an empty collection LL | assert_eq!(None.iter().next(), Option::<&i32>::None); | ^^^^^^^^^^^ help: try: `std::iter::empty()` -error: aborting due to 6 previous errors +error: `iter` call on an empty collection + --> tests/ui/iter_on_empty_collections.rs:28:66 + | +LL | for i in smth.as_ref().map_or([].iter(), |s| s.iter()).chain([].iter()) { + | ^^^^^^^^^ help: try: `std::iter::empty()` + +error: aborting due to 7 previous errors diff --git a/tests/ui/let_and_return.fixed b/tests/ui/let_and_return.fixed index 4187019e5894..b68b41cdca23 100644 --- a/tests/ui/let_and_return.fixed +++ b/tests/ui/let_and_return.fixed @@ -210,4 +210,38 @@ fn issue9150() -> usize { x } +fn issue12801() { + fn left_is_if() -> String { + + (if true { "a".to_string() } else { "b".to_string() } + "c") + //~^ ERROR: returning the result of a `let` binding from a block + } + + fn no_par_needed() -> String { + + "c".to_string() + if true { "a" } else { "b" } + //~^ ERROR: returning the result of a `let` binding from a block + } + + fn conjunctive_blocks() -> String { + + ({ "a".to_string() } + "b" + { "c" } + "d") + //~^ ERROR: returning the result of a `let` binding from a block + } + + #[allow(clippy::overly_complex_bool_expr)] + fn other_ops() { + let _ = || { + + (if true { 2 } else { 3 } << 4) + //~^ ERROR: returning the result of a `let` binding from a block + }; + let _ = || { + + ({ true } || { false } && { 2 <= 3 }) + //~^ ERROR: returning the result of a `let` binding from a block + }; + } +} + fn main() {} diff --git a/tests/ui/let_and_return.rs b/tests/ui/let_and_return.rs index 54444957b7d5..6b9035f94288 100644 --- a/tests/ui/let_and_return.rs +++ b/tests/ui/let_and_return.rs @@ -210,4 +210,38 @@ fn issue9150() -> usize { x } +fn issue12801() { + fn left_is_if() -> String { + let s = if true { "a".to_string() } else { "b".to_string() } + "c"; + s + //~^ ERROR: returning the result of a `let` binding from a block + } + + fn no_par_needed() -> String { + let s = "c".to_string() + if true { "a" } else { "b" }; + s + //~^ ERROR: returning the result of a `let` binding from a block + } + + fn conjunctive_blocks() -> String { + let s = { "a".to_string() } + "b" + { "c" } + "d"; + s + //~^ ERROR: returning the result of a `let` binding from a block + } + + #[allow(clippy::overly_complex_bool_expr)] + fn other_ops() { + let _ = || { + let s = if true { 2 } else { 3 } << 4; + s + //~^ ERROR: returning the result of a `let` binding from a block + }; + let _ = || { + let s = { true } || { false } && { 2 <= 3 }; + s + //~^ ERROR: returning the result of a `let` binding from a block + }; + } +} + fn main() {} diff --git a/tests/ui/let_and_return.stderr b/tests/ui/let_and_return.stderr index ff5962ec196e..75efa05d770a 100644 --- a/tests/ui/let_and_return.stderr +++ b/tests/ui/let_and_return.stderr @@ -78,5 +78,75 @@ LL + E::B(x) => x, LL + }) as _ | -error: aborting due to 5 previous errors +error: returning the result of a `let` binding from a block + --> tests/ui/let_and_return.rs:216:9 + | +LL | let s = if true { "a".to_string() } else { "b".to_string() } + "c"; + | ------------------------------------------------------------------- unnecessary `let` binding +LL | s + | ^ + | +help: return the expression directly + | +LL ~ +LL ~ (if true { "a".to_string() } else { "b".to_string() } + "c") + | + +error: returning the result of a `let` binding from a block + --> tests/ui/let_and_return.rs:222:9 + | +LL | let s = "c".to_string() + if true { "a" } else { "b" }; + | ------------------------------------------------------- unnecessary `let` binding +LL | s + | ^ + | +help: return the expression directly + | +LL ~ +LL ~ "c".to_string() + if true { "a" } else { "b" } + | + +error: returning the result of a `let` binding from a block + --> tests/ui/let_and_return.rs:228:9 + | +LL | let s = { "a".to_string() } + "b" + { "c" } + "d"; + | -------------------------------------------------- unnecessary `let` binding +LL | s + | ^ + | +help: return the expression directly + | +LL ~ +LL ~ ({ "a".to_string() } + "b" + { "c" } + "d") + | + +error: returning the result of a `let` binding from a block + --> tests/ui/let_and_return.rs:236:13 + | +LL | let s = if true { 2 } else { 3 } << 4; + | -------------------------------------- unnecessary `let` binding +LL | s + | ^ + | +help: return the expression directly + | +LL ~ +LL ~ (if true { 2 } else { 3 } << 4) + | + +error: returning the result of a `let` binding from a block + --> tests/ui/let_and_return.rs:241:13 + | +LL | let s = { true } || { false } && { 2 <= 3 }; + | -------------------------------------------- unnecessary `let` binding +LL | s + | ^ + | +help: return the expression directly + | +LL ~ +LL ~ ({ true } || { false } && { 2 <= 3 }) + | + +error: aborting due to 10 previous errors diff --git a/tests/ui/many_single_char_names.rs b/tests/ui/many_single_char_names.rs index 2af45eaab8af..68578340d90e 100644 --- a/tests/ui/many_single_char_names.rs +++ b/tests/ui/many_single_char_names.rs @@ -1,5 +1,3 @@ -//@compile-flags: -Zdeduplicate-diagnostics=yes - #![allow(clippy::too_many_arguments, clippy::diverging_sub_expression)] #![warn(clippy::many_single_char_names)] diff --git a/tests/ui/many_single_char_names.stderr b/tests/ui/many_single_char_names.stderr index 3b2460b5c077..131836ef7c88 100644 --- a/tests/ui/many_single_char_names.stderr +++ b/tests/ui/many_single_char_names.stderr @@ -1,5 +1,5 @@ error: 5 bindings with single-character names in scope - --> tests/ui/many_single_char_names.rs:7:9 + --> tests/ui/many_single_char_names.rs:5:9 | LL | let a: i32; | ^ @@ -14,7 +14,7 @@ LL | let e: i32; = help: to override `-D warnings` add `#[allow(clippy::many_single_char_names)]` error: 6 bindings with single-character names in scope - --> tests/ui/many_single_char_names.rs:7:9 + --> tests/ui/many_single_char_names.rs:5:9 | LL | let a: i32; | ^ @@ -28,7 +28,7 @@ LL | let f: i32; | ^ error: 5 bindings with single-character names in scope - --> tests/ui/many_single_char_names.rs:7:9 + --> tests/ui/many_single_char_names.rs:5:9 | LL | let a: i32; | ^ @@ -40,13 +40,13 @@ LL | e => panic!(), | ^ error: 8 bindings with single-character names in scope - --> tests/ui/many_single_char_names.rs:36:13 + --> tests/ui/many_single_char_names.rs:34:13 | LL | fn bindings(a: i32, b: i32, c: i32, d: i32, e: i32, f: i32, g: i32, h: i32) {} | ^ ^ ^ ^ ^ ^ ^ ^ error: 8 bindings with single-character names in scope - --> tests/ui/many_single_char_names.rs:40:10 + --> tests/ui/many_single_char_names.rs:38:10 | LL | let (a, b, c, d, e, f, g, h): (bool, bool, bool, bool, bool, bool, bool, bool) = unimplemented!(); | ^ ^ ^ ^ ^ ^ ^ ^ diff --git a/tests/ui/needless_return.fixed b/tests/ui/needless_return.fixed index 2575f2449e18..a9271cb399d8 100644 --- a/tests/ui/needless_return.fixed +++ b/tests/ui/needless_return.fixed @@ -323,4 +323,8 @@ fn allow_works() -> i32 { } } +fn conjunctive_blocks() -> String { + ({ "a".to_string() } + "b" + { "c" }) +} + fn main() {} diff --git a/tests/ui/needless_return.rs b/tests/ui/needless_return.rs index 04f21834d885..dc888bf667f1 100644 --- a/tests/ui/needless_return.rs +++ b/tests/ui/needless_return.rs @@ -333,4 +333,8 @@ fn allow_works() -> i32 { } } +fn conjunctive_blocks() -> String { + return { "a".to_string() } + "b" + { "c" }; +} + fn main() {} diff --git a/tests/ui/needless_return.stderr b/tests/ui/needless_return.stderr index 758ff6d985cd..bf5a89d8b75d 100644 --- a/tests/ui/needless_return.stderr +++ b/tests/ui/needless_return.stderr @@ -653,5 +653,17 @@ LL - return if b1 { 0 } else { 1 } | if b2 { 2 } else { 3 } | if b3 { 4 LL + (if b1 { 0 } else { 1 } | if b2 { 2 } else { 3 } | if b3 { 4 } else { 5 }) | -error: aborting due to 52 previous errors +error: unneeded `return` statement + --> tests/ui/needless_return.rs:337:5 + | +LL | return { "a".to_string() } + "b" + { "c" }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: remove `return` and wrap the sequence with parentheses + | +LL - return { "a".to_string() } + "b" + { "c" }; +LL + ({ "a".to_string() } + "b" + { "c" }) + | + +error: aborting due to 53 previous errors diff --git a/tests/ui/numbered_fields.fixed b/tests/ui/numbered_fields.fixed index dc88081ba0a7..108520eed38d 100644 --- a/tests/ui/numbered_fields.fixed +++ b/tests/ui/numbered_fields.fixed @@ -34,4 +34,9 @@ fn main() { // Aliases can't be tuple constructed #8638 let _ = Alias { 0: 0, 1: 1, 2: 2 }; + + // Issue #12367 + struct TupleStructVec(Vec); + + let _ = TupleStructVec(vec![0, 1, 2, 3]); } diff --git a/tests/ui/numbered_fields.rs b/tests/ui/numbered_fields.rs index e8fa652e3c1d..c718661a6826 100644 --- a/tests/ui/numbered_fields.rs +++ b/tests/ui/numbered_fields.rs @@ -42,4 +42,9 @@ fn main() { // Aliases can't be tuple constructed #8638 let _ = Alias { 0: 0, 1: 1, 2: 2 }; + + // Issue #12367 + struct TupleStructVec(Vec); + + let _ = TupleStructVec { 0: vec![0, 1, 2, 3] }; } diff --git a/tests/ui/numbered_fields.stderr b/tests/ui/numbered_fields.stderr index 96426cab1e62..9d3f59cd3769 100644 --- a/tests/ui/numbered_fields.stderr +++ b/tests/ui/numbered_fields.stderr @@ -23,5 +23,11 @@ LL | | 1: 3u32, LL | | }; | |_____^ help: try: `TupleStruct(1u32, 3u32, 2u8)` -error: aborting due to 2 previous errors +error: used a field initializer for a tuple struct + --> tests/ui/numbered_fields.rs:49:13 + | +LL | let _ = TupleStructVec { 0: vec![0, 1, 2, 3] }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `TupleStructVec(vec![0, 1, 2, 3])` + +error: aborting due to 3 previous errors diff --git a/tests/ui/significant_drop_in_scrutinee.rs b/tests/ui/significant_drop_in_scrutinee.rs index 7fc89bb95380..8ee15440ccf0 100644 --- a/tests/ui/significant_drop_in_scrutinee.rs +++ b/tests/ui/significant_drop_in_scrutinee.rs @@ -274,11 +274,20 @@ fn should_trigger_lint_for_tuple_in_scrutinee() { }, (_, _, _) => {}, }; + } +} +// Should not trigger lint since `String::as_str` returns a reference (i.e., `&str`) +// to the locked data (i.e., the `String`) and it is not surprising that matching such +// a reference needs to keep the data locked until the end of the match block. +fn should_not_trigger_lint_for_string_as_str() { + let mutex1 = Mutex::new(StateWithField { s: "one".to_owned() }); + + { + let mutex2 = Mutex::new(StateWithField { s: "two".to_owned() }); let mutex3 = Mutex::new(StateWithField { s: "three".to_owned() }); + match mutex3.lock().unwrap().s.as_str() { - //~^ ERROR: temporary with significant `Drop` in `match` scrutinee will live until - //~| NOTE: this might lead to deadlocks or other unexpected behavior "three" => { println!("started"); mutex1.lock().unwrap().s.len(); @@ -289,8 +298,6 @@ fn should_trigger_lint_for_tuple_in_scrutinee() { }; match (true, mutex3.lock().unwrap().s.as_str()) { - //~^ ERROR: temporary with significant `Drop` in `match` scrutinee will live until - //~| NOTE: this might lead to deadlocks or other unexpected behavior (_, "three") => { println!("started"); mutex1.lock().unwrap().s.len(); @@ -514,16 +521,15 @@ impl StateStringWithBoxedMutexGuard { } } -fn should_trigger_lint_for_boxed_mutex_guard_holding_string() { +fn should_not_trigger_lint_for_string_ref() { let s = StateStringWithBoxedMutexGuard::new(); let matcher = String::from("A String"); - // Should trigger lint because a temporary Box holding a type with a significant drop in a match - // scrutinee may have a potentially surprising lifetime. + // Should not trigger lint because the second `deref` returns a string reference (`&String`). + // So it is not surprising that matching the reference implies that the lock needs to be held + // until the end of the block. match s.lock().deref().deref() { - //~^ ERROR: temporary with significant `Drop` in `match` scrutinee will live until the - //~| NOTE: this might lead to deadlocks or other unexpected behavior matcher => println!("Value is {}", s.lock().deref()), _ => println!("Value was not a match"), }; @@ -639,13 +645,12 @@ fn should_trigger_lint_for_non_ref_move_and_clone_suggestion() { }; } -fn should_trigger_lint_for_read_write_lock_for_loop() { - // For-in loops desugar to match expressions and are prone to the type of deadlock this lint is - // designed to look for. +fn should_not_trigger_lint_for_read_write_lock_for_loop() { let rwlock = RwLock::>::new(vec!["1".to_string()]); + // Should not trigger lint. Since we're iterating over the data, it's obvious that the lock + // has to be held until the iteration finishes. + // https://github.com/rust-lang/rust-clippy/issues/8987 for s in rwlock.read().unwrap().iter() { - //~^ ERROR: temporary with significant `Drop` in `for` loop condition will live until - //~| NOTE: this might lead to deadlocks or other unexpected behavior println!("{}", s); } } @@ -731,4 +736,69 @@ fn should_not_trigger_for_significant_drop_ref() { }; } +struct Foo<'a>(&'a Vec); + +impl<'a> Foo<'a> { + fn copy_old_lifetime(&self) -> &'a Vec { + self.0 + } + + fn reborrow_new_lifetime(&self) -> &Vec { + self.0 + } +} + +fn should_trigger_lint_if_and_only_if_lifetime_is_irrelevant() { + let vec = Vec::new(); + let mutex = Mutex::new(Foo(&vec)); + + // Should trigger lint even if `copy_old_lifetime()` has a lifetime, as the lifetime of + // `&vec` is unrelated to the temporary with significant drop (i.e., the `MutexGuard`). + for val in mutex.lock().unwrap().copy_old_lifetime() { + //~^ ERROR: temporary with significant `Drop` in `for` loop condition will live until the + //~| NOTE: this might lead to deadlocks or other unexpected behavior + println!("{}", val); + } + + // Should not trigger lint because `reborrow_new_lifetime()` has a lifetime and the + // lifetime is related to the temporary with significant drop (i.e., the `MutexGuard`). + for val in mutex.lock().unwrap().reborrow_new_lifetime() { + println!("{}", val); + } +} + +fn should_not_trigger_lint_for_complex_lifetime() { + let mutex = Mutex::new(vec!["hello".to_owned()]); + let string = "world".to_owned(); + + // Should not trigger lint due to the relevant lifetime. + for c in mutex.lock().unwrap().first().unwrap().chars() { + println!("{}", c); + } + + // Should trigger lint due to the irrelevant lifetime. + // + // FIXME: The lifetime is too complex to analyze. In order to avoid false positives, we do not + // trigger lint. + for c in mutex.lock().unwrap().first().map(|_| &string).unwrap().chars() { + println!("{}", c); + } +} + +fn should_not_trigger_lint_with_explicit_drop() { + let mutex = Mutex::new(vec![1]); + + // Should not trigger lint since the drop explicitly happens. + for val in [drop(mutex.lock().unwrap()), ()] { + println!("{:?}", val); + } + + // Should trigger lint if there is no explicit drop. + for val in [mutex.lock().unwrap()[0], 2] { + //~^ ERROR: temporary with significant `Drop` in `for` loop condition will live until the + //~| NOTE: this might lead to deadlocks or other unexpected behavior + println!("{:?}", val); + } +} + fn main() {} diff --git a/tests/ui/significant_drop_in_scrutinee.stderr b/tests/ui/significant_drop_in_scrutinee.stderr index 811bb0655279..4a483e79d8ad 100644 --- a/tests/ui/significant_drop_in_scrutinee.stderr +++ b/tests/ui/significant_drop_in_scrutinee.stderr @@ -160,42 +160,10 @@ LL ~ match (mutex1.lock().unwrap().s.len(), true, value) { | error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:279:15 - | -LL | match mutex3.lock().unwrap().s.as_str() { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -... -LL | mutex1.lock().unwrap().s.len(); - | ---------------------- another value with significant `Drop` created here -LL | mutex2.lock().unwrap().s.len(); - | ---------------------- another value with significant `Drop` created here -... -LL | }; - | - temporary lives until here - | - = note: this might lead to deadlocks or other unexpected behavior - -error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:291:22 - | -LL | match (true, mutex3.lock().unwrap().s.as_str()) { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -... -LL | mutex1.lock().unwrap().s.len(); - | ---------------------- another value with significant `Drop` created here -LL | mutex2.lock().unwrap().s.len(); - | ---------------------- another value with significant `Drop` created here -... -LL | }; - | - temporary lives until here - | - = note: this might lead to deadlocks or other unexpected behavior - -error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:312:11 + --> tests/ui/significant_drop_in_scrutinee.rs:319:11 | LL | match mutex.lock().unwrap().s.len() > 1 { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ... LL | mutex.lock().unwrap().s.len(); | --------------------- another value with significant `Drop` created here @@ -206,15 +174,15 @@ LL | }; = note: this might lead to deadlocks or other unexpected behavior help: try moving the temporary above the match | -LL ~ let value = mutex.lock().unwrap().s.len() > 1; -LL ~ match value { +LL ~ let value = mutex.lock().unwrap().s.len(); +LL ~ match value > 1 { | error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:321:11 + --> tests/ui/significant_drop_in_scrutinee.rs:328:15 | LL | match 1 < mutex.lock().unwrap().s.len() { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ... LL | mutex.lock().unwrap().s.len(); | --------------------- another value with significant `Drop` created here @@ -225,15 +193,15 @@ LL | }; = note: this might lead to deadlocks or other unexpected behavior help: try moving the temporary above the match | -LL ~ let value = 1 < mutex.lock().unwrap().s.len(); -LL ~ match value { +LL ~ let value = mutex.lock().unwrap().s.len(); +LL ~ match 1 < value { | error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:341:11 + --> tests/ui/significant_drop_in_scrutinee.rs:348:11 | LL | match mutex1.lock().unwrap().s.len() < mutex2.lock().unwrap().s.len() { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ... LL | mutex1.lock().unwrap().s.len(), | ---------------------- another value with significant `Drop` created here @@ -246,15 +214,36 @@ LL | }; = note: this might lead to deadlocks or other unexpected behavior help: try moving the temporary above the match | -LL ~ let value = mutex1.lock().unwrap().s.len() < mutex2.lock().unwrap().s.len(); -LL ~ match value { +LL ~ let value = mutex1.lock().unwrap().s.len(); +LL ~ match value < mutex2.lock().unwrap().s.len() { | error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:354:11 + --> tests/ui/significant_drop_in_scrutinee.rs:348:44 + | +LL | match mutex1.lock().unwrap().s.len() < mutex2.lock().unwrap().s.len() { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +... +LL | mutex1.lock().unwrap().s.len(), + | ---------------------- another value with significant `Drop` created here +LL | mutex2.lock().unwrap().s.len() + | ---------------------- another value with significant `Drop` created here +... +LL | }; + | - temporary lives until here + | + = note: this might lead to deadlocks or other unexpected behavior +help: try moving the temporary above the match + | +LL ~ let value = mutex2.lock().unwrap().s.len(); +LL ~ match mutex1.lock().unwrap().s.len() < value { + | + +error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression + --> tests/ui/significant_drop_in_scrutinee.rs:361:11 | LL | match mutex1.lock().unwrap().s.len() >= mutex2.lock().unwrap().s.len() { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ... LL | mutex1.lock().unwrap().s.len(), | ---------------------- another value with significant `Drop` created here @@ -267,15 +256,36 @@ LL | }; = note: this might lead to deadlocks or other unexpected behavior help: try moving the temporary above the match | -LL ~ let value = mutex1.lock().unwrap().s.len() >= mutex2.lock().unwrap().s.len(); -LL ~ match value { +LL ~ let value = mutex1.lock().unwrap().s.len(); +LL ~ match value >= mutex2.lock().unwrap().s.len() { | error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:391:11 + --> tests/ui/significant_drop_in_scrutinee.rs:361:45 + | +LL | match mutex1.lock().unwrap().s.len() >= mutex2.lock().unwrap().s.len() { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +... +LL | mutex1.lock().unwrap().s.len(), + | ---------------------- another value with significant `Drop` created here +LL | mutex2.lock().unwrap().s.len() + | ---------------------- another value with significant `Drop` created here +... +LL | }; + | - temporary lives until here + | + = note: this might lead to deadlocks or other unexpected behavior +help: try moving the temporary above the match + | +LL ~ let value = mutex2.lock().unwrap().s.len(); +LL ~ match mutex1.lock().unwrap().s.len() >= value { + | + +error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression + --> tests/ui/significant_drop_in_scrutinee.rs:398:11 | LL | match get_mutex_guard().s.len() > 1 { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^^ ... LL | mutex1.lock().unwrap().s.len(); | ---------------------- another value with significant `Drop` created here @@ -286,12 +296,12 @@ LL | }; = note: this might lead to deadlocks or other unexpected behavior help: try moving the temporary above the match | -LL ~ let value = get_mutex_guard().s.len() > 1; -LL ~ match value { +LL ~ let value = get_mutex_guard().s.len(); +LL ~ match value > 1 { | error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:410:11 + --> tests/ui/significant_drop_in_scrutinee.rs:417:11 | LL | match match i { | ___________^ @@ -299,9 +309,9 @@ LL | | LL | | LL | | 100 => mutex1.lock().unwrap(), ... | +LL | | .s LL | | .len() -LL | | > 1 - | |___________^ + | |__________^ ... LL | mutex1.lock().unwrap().s.len(); | ---------------------- another value with significant `Drop` created here @@ -319,13 +329,12 @@ LL + 100 => mutex1.lock().unwrap(), LL + _ => mutex2.lock().unwrap(), LL + } LL + .s -LL + .len() -LL + > 1; +LL + .len(); LL ~ match value | error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:438:11 + --> tests/ui/significant_drop_in_scrutinee.rs:445:11 | LL | match if i > 1 { | ___________^ @@ -333,9 +342,9 @@ LL | | LL | | LL | | mutex1.lock().unwrap() ... | +LL | | .s LL | | .len() -LL | | > 1 - | |___________^ + | |__________^ ... LL | mutex1.lock().unwrap().s.len(); | ---------------------- another value with significant `Drop` created here @@ -354,13 +363,12 @@ LL + } else { LL + mutex2.lock().unwrap() LL + } LL + .s -LL + .len() -LL + > 1; +LL + .len(); LL ~ match value | error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:494:11 + --> tests/ui/significant_drop_in_scrutinee.rs:501:11 | LL | match s.lock().deref().deref() { | ^^^^^^^^^^^^^^^^^^^^^^^^ @@ -374,25 +382,11 @@ LL | }; help: try moving the temporary above the match and create a copy | LL ~ let value = *s.lock().deref().deref(); -LL ~ match value { +LL ~ match (&value) { | error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:524:11 - | -LL | match s.lock().deref().deref() { - | ^^^^^^^^^^^^^^^^^^^^^^^^ -... -LL | matcher => println!("Value is {}", s.lock().deref()), - | -------- another value with significant `Drop` created here -LL | _ => println!("Value was not a match"), -LL | }; - | - temporary lives until here - | - = note: this might lead to deadlocks or other unexpected behavior - -error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:545:11 + --> tests/ui/significant_drop_in_scrutinee.rs:551:11 | LL | match mutex.lock().unwrap().i = i { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -411,10 +405,10 @@ LL ~ match () { | error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:553:11 + --> tests/ui/significant_drop_in_scrutinee.rs:559:15 | LL | match i = mutex.lock().unwrap().i { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^ ... LL | println!("{}", mutex.lock().unwrap().i); | --------------------- another value with significant `Drop` created here @@ -425,12 +419,12 @@ LL | }; = note: this might lead to deadlocks or other unexpected behavior help: try moving the temporary above the match | -LL ~ i = mutex.lock().unwrap().i; -LL ~ match () { +LL ~ let value = mutex.lock().unwrap().i; +LL ~ match i = value { | error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:561:11 + --> tests/ui/significant_drop_in_scrutinee.rs:567:11 | LL | match mutex.lock().unwrap().i += 1 { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -449,10 +443,10 @@ LL ~ match () { | error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:569:11 + --> tests/ui/significant_drop_in_scrutinee.rs:575:16 | LL | match i += mutex.lock().unwrap().i { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^ ... LL | println!("{}", mutex.lock().unwrap().i); | --------------------- another value with significant `Drop` created here @@ -463,12 +457,12 @@ LL | }; = note: this might lead to deadlocks or other unexpected behavior help: try moving the temporary above the match | -LL ~ i += mutex.lock().unwrap().i; -LL ~ match () { +LL ~ let value = mutex.lock().unwrap().i; +LL ~ match i += value { | error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:634:11 + --> tests/ui/significant_drop_in_scrutinee.rs:640:11 | LL | match rwlock.read().unwrap().to_number() { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -477,20 +471,14 @@ LL | }; | - temporary lives until here | = note: this might lead to deadlocks or other unexpected behavior - -error: temporary with significant `Drop` in `for` loop condition will live until the end of the `for` expression - --> tests/ui/significant_drop_in_scrutinee.rs:646:14 +help: try moving the temporary above the match | -LL | for s in rwlock.read().unwrap().iter() { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -... -LL | } - | - temporary lives until here +LL ~ let value = rwlock.read().unwrap().to_number(); +LL ~ match value { | - = note: this might lead to deadlocks or other unexpected behavior error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:663:11 + --> tests/ui/significant_drop_in_scrutinee.rs:668:11 | LL | match mutex.lock().unwrap().foo() { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -506,7 +494,7 @@ LL ~ match value { | error: temporary with significant `Drop` in `match` scrutinee will live until the end of the `match` expression - --> tests/ui/significant_drop_in_scrutinee.rs:726:11 + --> tests/ui/significant_drop_in_scrutinee.rs:731:11 | LL | match guard.take().len() { | ^^^^^^^^^^^^^^^^^^ @@ -521,5 +509,37 @@ LL ~ let value = guard.take().len(); LL ~ match value { | +error: temporary with significant `Drop` in `for` loop condition will live until the end of the `for` expression + --> tests/ui/significant_drop_in_scrutinee.rs:757:16 + | +LL | for val in mutex.lock().unwrap().copy_old_lifetime() { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +... +LL | } + | - temporary lives until here + | + = note: this might lead to deadlocks or other unexpected behavior +help: try moving the temporary above the match + | +LL ~ let value = mutex.lock().unwrap().copy_old_lifetime(); +LL ~ for val in value { + | + +error: temporary with significant `Drop` in `for` loop condition will live until the end of the `for` expression + --> tests/ui/significant_drop_in_scrutinee.rs:797:17 + | +LL | for val in [mutex.lock().unwrap()[0], 2] { + | ^^^^^^^^^^^^^^^^^^^^^^^^ +... +LL | } + | - temporary lives until here + | + = note: this might lead to deadlocks or other unexpected behavior +help: try moving the temporary above the match + | +LL ~ let value = mutex.lock().unwrap()[0]; +LL ~ for val in [value, 2] { + | + error: aborting due to 27 previous errors diff --git a/tests/ui/unnecessary_iter_cloned.fixed b/tests/ui/unnecessary_iter_cloned.fixed index 2c582c90ba8c..dc5e163ff04e 100644 --- a/tests/ui/unnecessary_iter_cloned.fixed +++ b/tests/ui/unnecessary_iter_cloned.fixed @@ -170,3 +170,32 @@ fn check_mut_iteratee_and_modify_inner_variable() { } } } + +mod issue_12821 { + fn foo() { + let v: Vec<_> = "hello".chars().collect(); + for c in v.iter() { + //~^ ERROR: unnecessary use of `cloned` + println!("{c}"); // should not suggest to remove `&` + } + } + + fn bar() { + let v: Vec<_> = "hello".chars().collect(); + for c in v.iter() { + //~^ ERROR: unnecessary use of `cloned` + let ref_c = c; //~ HELP: remove any references to the binding + println!("{ref_c}"); + } + } + + fn baz() { + let v: Vec<_> = "hello".chars().enumerate().collect(); + for (i, c) in v.iter() { + //~^ ERROR: unnecessary use of `cloned` + let ref_c = c; //~ HELP: remove any references to the binding + let ref_i = i; + println!("{i} {ref_c}"); // should not suggest to remove `&` from `i` + } + } +} diff --git a/tests/ui/unnecessary_iter_cloned.rs b/tests/ui/unnecessary_iter_cloned.rs index a28ccd1efef2..8f797ac717fb 100644 --- a/tests/ui/unnecessary_iter_cloned.rs +++ b/tests/ui/unnecessary_iter_cloned.rs @@ -170,3 +170,32 @@ fn check_mut_iteratee_and_modify_inner_variable() { } } } + +mod issue_12821 { + fn foo() { + let v: Vec<_> = "hello".chars().collect(); + for c in v.iter().cloned() { + //~^ ERROR: unnecessary use of `cloned` + println!("{c}"); // should not suggest to remove `&` + } + } + + fn bar() { + let v: Vec<_> = "hello".chars().collect(); + for c in v.iter().cloned() { + //~^ ERROR: unnecessary use of `cloned` + let ref_c = &c; //~ HELP: remove any references to the binding + println!("{ref_c}"); + } + } + + fn baz() { + let v: Vec<_> = "hello".chars().enumerate().collect(); + for (i, c) in v.iter().cloned() { + //~^ ERROR: unnecessary use of `cloned` + let ref_c = &c; //~ HELP: remove any references to the binding + let ref_i = &i; + println!("{i} {ref_c}"); // should not suggest to remove `&` from `i` + } + } +} diff --git a/tests/ui/unnecessary_iter_cloned.stderr b/tests/ui/unnecessary_iter_cloned.stderr index fb98cfddc262..0bdb37a521fc 100644 --- a/tests/ui/unnecessary_iter_cloned.stderr +++ b/tests/ui/unnecessary_iter_cloned.stderr @@ -10,7 +10,7 @@ help: use | LL | for (t, path) in files { | ~~~~~ -help: remove this `&` +help: remove any references to the binding | LL - let other = match get_file_path(&t) { LL + let other = match get_file_path(t) { @@ -26,11 +26,49 @@ help: use | LL | for (t, path) in files.iter() { | ~~~~~~~~~~~~ -help: remove this `&` +help: remove any references to the binding | LL - let other = match get_file_path(&t) { LL + let other = match get_file_path(t) { | -error: aborting due to 2 previous errors +error: unnecessary use of `cloned` + --> tests/ui/unnecessary_iter_cloned.rs:177:18 + | +LL | for c in v.iter().cloned() { + | ^^^^^^^^^^^^^^^^^ help: use: `v.iter()` + +error: unnecessary use of `cloned` + --> tests/ui/unnecessary_iter_cloned.rs:185:18 + | +LL | for c in v.iter().cloned() { + | ^^^^^^^^^^^^^^^^^ + | +help: use + | +LL | for c in v.iter() { + | ~~~~~~~~ +help: remove any references to the binding + | +LL - let ref_c = &c; +LL + let ref_c = c; + | + +error: unnecessary use of `cloned` + --> tests/ui/unnecessary_iter_cloned.rs:194:23 + | +LL | for (i, c) in v.iter().cloned() { + | ^^^^^^^^^^^^^^^^^ + | +help: use + | +LL | for (i, c) in v.iter() { + | ~~~~~~~~ +help: remove any references to the binding + | +LL ~ let ref_c = c; +LL ~ let ref_i = i; + | + +error: aborting due to 5 previous errors diff --git a/tests/ui/unnecessary_to_owned.stderr b/tests/ui/unnecessary_to_owned.stderr index 5475df9c7b93..2829f3cd6e98 100644 --- a/tests/ui/unnecessary_to_owned.stderr +++ b/tests/ui/unnecessary_to_owned.stderr @@ -487,7 +487,7 @@ help: use | LL | for t in file_types { | ~~~~~~~~~~ -help: remove this `&` +help: remove any references to the binding | LL - let path = match get_file_path(&t) { LL + let path = match get_file_path(t) { diff --git a/tests/ui/unsafe_derive_deserialize.rs b/tests/ui/unsafe_derive_deserialize.rs index 70dcaa3afa45..5187e0790423 100644 --- a/tests/ui/unsafe_derive_deserialize.rs +++ b/tests/ui/unsafe_derive_deserialize.rs @@ -1,3 +1,4 @@ +#![feature(lint_reasons)] #![warn(clippy::unsafe_derive_deserialize)] #![allow(unused, clippy::missing_safety_doc)] @@ -71,4 +72,14 @@ impl G { } } +// Check that we honor the `expect` attribute on the ADT +#[expect(clippy::unsafe_derive_deserialize)] +#[derive(Deserialize)] +pub struct H; +impl H { + pub fn unsafe_block(&self) { + unsafe {} + } +} + fn main() {} diff --git a/tests/ui/unsafe_derive_deserialize.stderr b/tests/ui/unsafe_derive_deserialize.stderr index f2d4429f707a..06719f23d57f 100644 --- a/tests/ui/unsafe_derive_deserialize.stderr +++ b/tests/ui/unsafe_derive_deserialize.stderr @@ -1,5 +1,5 @@ error: you are deriving `serde::Deserialize` on a type that has methods using `unsafe` - --> tests/ui/unsafe_derive_deserialize.rs:8:10 + --> tests/ui/unsafe_derive_deserialize.rs:9:10 | LL | #[derive(Deserialize)] | ^^^^^^^^^^^ @@ -10,7 +10,7 @@ LL | #[derive(Deserialize)] = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) error: you are deriving `serde::Deserialize` on a type that has methods using `unsafe` - --> tests/ui/unsafe_derive_deserialize.rs:17:10 + --> tests/ui/unsafe_derive_deserialize.rs:18:10 | LL | #[derive(Deserialize)] | ^^^^^^^^^^^ @@ -19,7 +19,7 @@ LL | #[derive(Deserialize)] = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) error: you are deriving `serde::Deserialize` on a type that has methods using `unsafe` - --> tests/ui/unsafe_derive_deserialize.rs:24:10 + --> tests/ui/unsafe_derive_deserialize.rs:25:10 | LL | #[derive(Deserialize)] | ^^^^^^^^^^^ @@ -28,7 +28,7 @@ LL | #[derive(Deserialize)] = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) error: you are deriving `serde::Deserialize` on a type that has methods using `unsafe` - --> tests/ui/unsafe_derive_deserialize.rs:33:10 + --> tests/ui/unsafe_derive_deserialize.rs:34:10 | LL | #[derive(Deserialize)] | ^^^^^^^^^^^ From 93b39d89102227b3d36f6524c9cec0c3c193970e Mon Sep 17 00:00:00 2001 From: Jacherr Date: Fri, 15 Mar 2024 00:04:27 +0000 Subject: [PATCH 0781/1716] disable indexing_slicing for custom Index impls --- clippy_lints/src/indexing_slicing.rs | 11 +++++++- clippy_lints/src/iter_without_into_iter.rs | 32 ++-------------------- clippy_utils/src/ty.rs | 30 ++++++++++++++++++++ tests/ui/indexing_slicing_slice.rs | 22 +++++++++++++++ tests/ui/indexing_slicing_slice.stderr | 32 +++++++++++----------- 5 files changed, 80 insertions(+), 47 deletions(-) diff --git a/clippy_lints/src/indexing_slicing.rs b/clippy_lints/src/indexing_slicing.rs index e3e79749bea6..43797215ca54 100644 --- a/clippy_lints/src/indexing_slicing.rs +++ b/clippy_lints/src/indexing_slicing.rs @@ -3,6 +3,7 @@ use clippy_utils::consts::{constant, Constant}; use clippy_utils::diagnostics::{span_lint, span_lint_and_then}; use clippy_utils::higher; +use clippy_utils::ty::{adt_has_inherent_method, deref_chain}; use rustc_ast::ast::RangeLimits; use rustc_hir::{Expr, ExprKind}; use rustc_lint::{LateContext, LateLintPass}; @@ -104,7 +105,15 @@ impl<'tcx> LateLintPass<'tcx> for IndexingSlicing { return; } - if let ExprKind::Index(array, index, _) = &expr.kind { + if let ExprKind::Index(array, index, _) = &expr.kind + && let expr_ty = cx.typeck_results().expr_ty(array) + && let mut deref = deref_chain(cx, expr_ty) + && deref.any(|l| { + l.peel_refs().is_slice() + || l.peel_refs().is_array() + || adt_has_inherent_method(cx, l.peel_refs(), sym!(get)) + }) + { let note = "the suggestion might not be applicable in constant blocks"; let ty = cx.typeck_results().expr_ty(array).peel_refs(); if let Some(range) = higher::Range::hir(index) { diff --git a/clippy_lints/src/iter_without_into_iter.rs b/clippy_lints/src/iter_without_into_iter.rs index 601d0e151aae..02fefd1b6a15 100644 --- a/clippy_lints/src/iter_without_into_iter.rs +++ b/clippy_lints/src/iter_without_into_iter.rs @@ -1,7 +1,7 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::get_parent_as_impl; use clippy_utils::source::snippet; -use clippy_utils::ty::{implements_trait, make_normalized_projection}; +use clippy_utils::ty::{adt_has_inherent_method, deref_chain, implements_trait, make_normalized_projection}; use rustc_ast::Mutability; use rustc_errors::Applicability; use rustc_hir::{FnRetTy, ImplItemKind, ImplicitSelfKind, ItemKind, TyKind}; @@ -9,8 +9,7 @@ use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_middle::lint::in_external_macro; use rustc_middle::ty::{self, Ty}; use rustc_session::declare_lint_pass; -use rustc_span::{sym, Symbol}; -use std::iter; +use rustc_span::sym; declare_clippy_lint! { /// ### What it does @@ -124,33 +123,6 @@ fn is_ty_exported(cx: &LateContext<'_>, ty: Ty<'_>) -> bool { .is_some_and(|did| cx.effective_visibilities.is_exported(did)) } -/// Returns the deref chain of a type, starting with the type itself. -fn deref_chain<'cx, 'tcx>(cx: &'cx LateContext<'tcx>, ty: Ty<'tcx>) -> impl Iterator> + 'cx { - iter::successors(Some(ty), |&ty| { - if let Some(deref_did) = cx.tcx.lang_items().deref_trait() - && implements_trait(cx, ty, deref_did, &[]) - { - make_normalized_projection(cx.tcx, cx.param_env, deref_did, sym::Target, [ty]) - } else { - None - } - }) -} - -fn adt_has_inherent_method(cx: &LateContext<'_>, ty: Ty<'_>, method_name: Symbol) -> bool { - if let Some(ty_did) = ty.ty_adt_def().map(ty::AdtDef::did) { - cx.tcx.inherent_impls(ty_did).into_iter().flatten().any(|&did| { - cx.tcx - .associated_items(did) - .filter_by_name_unhygienic(method_name) - .next() - .is_some_and(|item| item.kind == ty::AssocKind::Fn) - }) - } else { - false - } -} - impl LateLintPass<'_> for IterWithoutIntoIter { fn check_item(&mut self, cx: &LateContext<'_>, item: &rustc_hir::Item<'_>) { if !in_external_macro(cx.sess(), item.span) diff --git a/clippy_utils/src/ty.rs b/clippy_utils/src/ty.rs index 3414b5ef680c..295c10e4620b 100644 --- a/clippy_utils/src/ty.rs +++ b/clippy_utils/src/ty.rs @@ -1328,3 +1328,33 @@ pub fn normalize_with_regions<'tcx>(tcx: TyCtxt<'tcx>, param_env: ParamEnv<'tcx> pub fn is_manually_drop(ty: Ty<'_>) -> bool { ty.ty_adt_def().map_or(false, AdtDef::is_manually_drop) } + +/// Returns the deref chain of a type, starting with the type itself. +pub fn deref_chain<'cx, 'tcx>(cx: &'cx LateContext<'tcx>, ty: Ty<'tcx>) -> impl Iterator> + 'cx { + iter::successors(Some(ty), |&ty| { + if let Some(deref_did) = cx.tcx.lang_items().deref_trait() + && implements_trait(cx, ty, deref_did, &[]) + { + make_normalized_projection(cx.tcx, cx.param_env, deref_did, sym::Target, [ty]) + } else { + None + } + }) +} + +/// Checks if a Ty<'_> has some inherent method Symbol. +/// This does not look for impls in the type's Deref::Target type. +/// If you need this, you should wrap this call in clippy_utils::ty::deref_chain().any(...). +pub fn adt_has_inherent_method(cx: &LateContext<'_>, ty: Ty<'_>, method_name: Symbol) -> bool { + if let Some(ty_did) = ty.ty_adt_def().map(ty::AdtDef::did) { + cx.tcx.inherent_impls(ty_did).into_iter().flatten().any(|&did| { + cx.tcx + .associated_items(did) + .filter_by_name_unhygienic(method_name) + .next() + .is_some_and(|item| item.kind == ty::AssocKind::Fn) + }) + } else { + false + } +} diff --git a/tests/ui/indexing_slicing_slice.rs b/tests/ui/indexing_slicing_slice.rs index fc591021ed6b..721ba8facec5 100644 --- a/tests/ui/indexing_slicing_slice.rs +++ b/tests/ui/indexing_slicing_slice.rs @@ -3,6 +3,21 @@ // we want to avoid false positives. #![warn(clippy::out_of_bounds_indexing)] #![allow(clippy::no_effect, clippy::unnecessary_operation, clippy::useless_vec)] +#![warn(clippy::indexing_slicing)] + +use std::ops::Index; + +struct BoolMap { + false_value: T, + true_value: T, +} + +impl Index for BoolMap { + type Output = T; + fn index(&self, index: bool) -> &T { + if index { &self.true_value } else { &self.false_value } + } +} fn main() { let x = [1, 2, 3, 4]; @@ -51,4 +66,11 @@ fn main() { //~^ ERROR: slicing may panic &v[..]; // Ok, should not produce stderr. + + let map = BoolMap { + false_value: 2, + true_value: 4, + }; + + map[true]; // Ok, because `get` does not exist (custom indexing) } diff --git a/tests/ui/indexing_slicing_slice.stderr b/tests/ui/indexing_slicing_slice.stderr index 790d4a41f5b1..43fa44051c68 100644 --- a/tests/ui/indexing_slicing_slice.stderr +++ b/tests/ui/indexing_slicing_slice.stderr @@ -1,5 +1,5 @@ error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:12:6 + --> tests/ui/indexing_slicing_slice.rs:27:6 | LL | &x[index..]; | ^^^^^^^^^^ @@ -9,7 +9,7 @@ LL | &x[index..]; = help: to override `-D warnings` add `#[allow(clippy::indexing_slicing)]` error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:14:6 + --> tests/ui/indexing_slicing_slice.rs:29:6 | LL | &x[..index]; | ^^^^^^^^^^ @@ -17,7 +17,7 @@ LL | &x[..index]; = help: consider using `.get(..n)`or `.get_mut(..n)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:16:6 + --> tests/ui/indexing_slicing_slice.rs:31:6 | LL | &x[index_from..index_to]; | ^^^^^^^^^^^^^^^^^^^^^^^ @@ -25,7 +25,7 @@ LL | &x[index_from..index_to]; = help: consider using `.get(n..m)` or `.get_mut(n..m)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:18:6 + --> tests/ui/indexing_slicing_slice.rs:33:6 | LL | &x[index_from..][..index_to]; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -33,7 +33,7 @@ LL | &x[index_from..][..index_to]; = help: consider using `.get(..n)`or `.get_mut(..n)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:18:6 + --> tests/ui/indexing_slicing_slice.rs:33:6 | LL | &x[index_from..][..index_to]; | ^^^^^^^^^^^^^^^ @@ -41,7 +41,7 @@ LL | &x[index_from..][..index_to]; = help: consider using `.get(n..)` or .get_mut(n..)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:21:6 + --> tests/ui/indexing_slicing_slice.rs:36:6 | LL | &x[5..][..10]; | ^^^^^^^^^^^^ @@ -49,7 +49,7 @@ LL | &x[5..][..10]; = help: consider using `.get(..n)`or `.get_mut(..n)` instead error: range is out of bounds - --> tests/ui/indexing_slicing_slice.rs:21:8 + --> tests/ui/indexing_slicing_slice.rs:36:8 | LL | &x[5..][..10]; | ^ @@ -58,7 +58,7 @@ LL | &x[5..][..10]; = help: to override `-D warnings` add `#[allow(clippy::out_of_bounds_indexing)]` error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:25:6 + --> tests/ui/indexing_slicing_slice.rs:40:6 | LL | &x[0..][..3]; | ^^^^^^^^^^^ @@ -66,7 +66,7 @@ LL | &x[0..][..3]; = help: consider using `.get(..n)`or `.get_mut(..n)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:27:6 + --> tests/ui/indexing_slicing_slice.rs:42:6 | LL | &x[1..][..5]; | ^^^^^^^^^^^ @@ -74,19 +74,19 @@ LL | &x[1..][..5]; = help: consider using `.get(..n)`or `.get_mut(..n)` instead error: range is out of bounds - --> tests/ui/indexing_slicing_slice.rs:35:12 + --> tests/ui/indexing_slicing_slice.rs:50:12 | LL | &y[0..=4]; | ^ error: range is out of bounds - --> tests/ui/indexing_slicing_slice.rs:37:11 + --> tests/ui/indexing_slicing_slice.rs:52:11 | LL | &y[..=4]; | ^ error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:43:6 + --> tests/ui/indexing_slicing_slice.rs:58:6 | LL | &v[10..100]; | ^^^^^^^^^^ @@ -94,7 +94,7 @@ LL | &v[10..100]; = help: consider using `.get(n..m)` or `.get_mut(n..m)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:45:6 + --> tests/ui/indexing_slicing_slice.rs:60:6 | LL | &x[10..][..100]; | ^^^^^^^^^^^^^^ @@ -102,13 +102,13 @@ LL | &x[10..][..100]; = help: consider using `.get(..n)`or `.get_mut(..n)` instead error: range is out of bounds - --> tests/ui/indexing_slicing_slice.rs:45:8 + --> tests/ui/indexing_slicing_slice.rs:60:8 | LL | &x[10..][..100]; | ^^ error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:48:6 + --> tests/ui/indexing_slicing_slice.rs:63:6 | LL | &v[10..]; | ^^^^^^^ @@ -116,7 +116,7 @@ LL | &v[10..]; = help: consider using `.get(n..)` or .get_mut(n..)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:50:6 + --> tests/ui/indexing_slicing_slice.rs:65:6 | LL | &v[..100]; | ^^^^^^^^ From 46b3264131f9e465cabba119ceccd61fe5617612 Mon Sep 17 00:00:00 2001 From: Jacherr Date: Fri, 15 Mar 2024 00:07:40 +0000 Subject: [PATCH 0782/1716] add backticks to doc comments --- clippy_utils/src/ty.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/clippy_utils/src/ty.rs b/clippy_utils/src/ty.rs index 295c10e4620b..7dda01102c2c 100644 --- a/clippy_utils/src/ty.rs +++ b/clippy_utils/src/ty.rs @@ -1343,8 +1343,8 @@ pub fn deref_chain<'cx, 'tcx>(cx: &'cx LateContext<'tcx>, ty: Ty<'tcx>) -> impl } /// Checks if a Ty<'_> has some inherent method Symbol. -/// This does not look for impls in the type's Deref::Target type. -/// If you need this, you should wrap this call in clippy_utils::ty::deref_chain().any(...). +/// This does not look for impls in the type's `Deref::Target` type. +/// If you need this, you should wrap this call in `clippy_utils::ty::deref_chain().any(...)`. pub fn adt_has_inherent_method(cx: &LateContext<'_>, ty: Ty<'_>, method_name: Symbol) -> bool { if let Some(ty_did) = ty.ty_adt_def().map(ty::AdtDef::did) { cx.tcx.inherent_impls(ty_did).into_iter().flatten().any(|&did| { From e186ed2ad1bdac3190e8ff3e35331249a4527fea Mon Sep 17 00:00:00 2001 From: Jacherr Date: Tue, 19 Mar 2024 10:41:56 +0000 Subject: [PATCH 0783/1716] check return type of get and indexing --- clippy_lints/src/indexing_slicing.rs | 40 ++++++++++++++++++++-- clippy_lints/src/iter_without_into_iter.rs | 4 +-- clippy_utils/src/ty.rs | 30 +++++++++------- tests/ui/indexing_slicing_slice.rs | 38 +++++++++++++++++++- 4 files changed, 94 insertions(+), 18 deletions(-) diff --git a/clippy_lints/src/indexing_slicing.rs b/clippy_lints/src/indexing_slicing.rs index 43797215ca54..7dee30547a0c 100644 --- a/clippy_lints/src/indexing_slicing.rs +++ b/clippy_lints/src/indexing_slicing.rs @@ -3,12 +3,13 @@ use clippy_utils::consts::{constant, Constant}; use clippy_utils::diagnostics::{span_lint, span_lint_and_then}; use clippy_utils::higher; -use clippy_utils::ty::{adt_has_inherent_method, deref_chain}; +use clippy_utils::ty::{deref_chain, get_adt_inherent_method}; use rustc_ast::ast::RangeLimits; use rustc_hir::{Expr, ExprKind}; use rustc_lint::{LateContext, LateLintPass}; -use rustc_middle::ty; +use rustc_middle::ty::{self, Ty}; use rustc_session::impl_lint_pass; +use rustc_span::sym; declare_clippy_lint! { /// ### What it does @@ -111,7 +112,7 @@ impl<'tcx> LateLintPass<'tcx> for IndexingSlicing { && deref.any(|l| { l.peel_refs().is_slice() || l.peel_refs().is_array() - || adt_has_inherent_method(cx, l.peel_refs(), sym!(get)) + || ty_has_appliciable_get_function(cx, l.peel_refs(), expr_ty, expr) }) { let note = "the suggestion might not be applicable in constant blocks"; @@ -240,3 +241,36 @@ fn to_const_range(cx: &LateContext<'_>, range: higher::Range<'_>, array_size: u1 (start, end) } + +/// Checks if the output Ty of the `get` method on this Ty (if any) matches the Ty returned by the +/// indexing operation (if any). +fn ty_has_appliciable_get_function<'tcx>( + cx: &LateContext<'tcx>, + ty: Ty<'tcx>, + array_ty: Ty<'tcx>, + index_expr: &Expr<'_>, +) -> bool { + if let ty::Adt(_, array_args) = array_ty.kind() + && let Some(get_output_ty) = get_adt_inherent_method(cx, ty, sym!(get)).map(|m| { + cx.tcx + .fn_sig(m.def_id) + .instantiate(cx.tcx, array_args) + .output() + .skip_binder() + }) + && let ty::Adt(def, args) = get_output_ty.kind() + && cx.tcx.is_diagnostic_item(sym::Option, def.0.did) + && let Some(option_generic_param) = args.get(0) + && let generic_ty = option_generic_param.expect_ty().peel_refs() + && let _ = println!( + "{}, {}", + cx.typeck_results().expr_ty(index_expr).peel_refs(), + generic_ty.peel_refs() + ) + && cx.typeck_results().expr_ty(index_expr).peel_refs() == generic_ty.peel_refs() + { + true + } else { + false + } +} diff --git a/clippy_lints/src/iter_without_into_iter.rs b/clippy_lints/src/iter_without_into_iter.rs index 02fefd1b6a15..6b03f2597b08 100644 --- a/clippy_lints/src/iter_without_into_iter.rs +++ b/clippy_lints/src/iter_without_into_iter.rs @@ -1,7 +1,7 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::get_parent_as_impl; use clippy_utils::source::snippet; -use clippy_utils::ty::{adt_has_inherent_method, deref_chain, implements_trait, make_normalized_projection}; +use clippy_utils::ty::{deref_chain, get_adt_inherent_method, implements_trait, make_normalized_projection}; use rustc_ast::Mutability; use rustc_errors::Applicability; use rustc_hir::{FnRetTy, ImplItemKind, ImplicitSelfKind, ItemKind, TyKind}; @@ -139,7 +139,7 @@ impl LateLintPass<'_> for IterWithoutIntoIter { } && !deref_chain(cx, ty).any(|ty| { // We can't check inherent impls for slices, but we know that they have an `iter(_mut)` method - ty.peel_refs().is_slice() || adt_has_inherent_method(cx, ty, expected_method_name) + ty.peel_refs().is_slice() || get_adt_inherent_method(cx, ty, expected_method_name).is_some() }) && let Some(iter_assoc_span) = imp.items.iter().find_map(|item| { if item.ident.name == sym!(IntoIter) { diff --git a/clippy_utils/src/ty.rs b/clippy_utils/src/ty.rs index 7dda01102c2c..90360e85d8d3 100644 --- a/clippy_utils/src/ty.rs +++ b/clippy_utils/src/ty.rs @@ -17,9 +17,9 @@ use rustc_middle::mir::ConstValue; use rustc_middle::traits::EvaluationResult; use rustc_middle::ty::layout::ValidityRequirement; use rustc_middle::ty::{ - self, AdtDef, AliasTy, AssocKind, Binder, BoundRegion, FnSig, GenericArg, GenericArgKind, GenericArgsRef, - GenericParamDefKind, IntTy, ParamEnv, Region, RegionKind, TraitRef, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable, - TypeVisitableExt, TypeVisitor, UintTy, Upcast, VariantDef, VariantDiscr, + self, AdtDef, AliasTy, AssocItem, AssocKind, Binder, BoundRegion, FnSig, GenericArg, GenericArgKind, + GenericArgsRef, GenericParamDefKind, IntTy, List, ParamEnv, Region, RegionKind, ToPredicate, TraitRef, Ty, TyCtxt, + TypeSuperVisitable, TypeVisitable, TypeVisitableExt, TypeVisitor, UintTy, VariantDef, VariantDiscr, }; use rustc_span::symbol::Ident; use rustc_span::{sym, Span, Symbol, DUMMY_SP}; @@ -1345,16 +1345,22 @@ pub fn deref_chain<'cx, 'tcx>(cx: &'cx LateContext<'tcx>, ty: Ty<'tcx>) -> impl /// Checks if a Ty<'_> has some inherent method Symbol. /// This does not look for impls in the type's `Deref::Target` type. /// If you need this, you should wrap this call in `clippy_utils::ty::deref_chain().any(...)`. -pub fn adt_has_inherent_method(cx: &LateContext<'_>, ty: Ty<'_>, method_name: Symbol) -> bool { +pub fn get_adt_inherent_method<'a>(cx: &'a LateContext<'_>, ty: Ty<'_>, method_name: Symbol) -> Option<&'a AssocItem> { if let Some(ty_did) = ty.ty_adt_def().map(ty::AdtDef::did) { - cx.tcx.inherent_impls(ty_did).into_iter().flatten().any(|&did| { - cx.tcx - .associated_items(did) - .filter_by_name_unhygienic(method_name) - .next() - .is_some_and(|item| item.kind == ty::AssocKind::Fn) - }) + cx.tcx + .inherent_impls(ty_did) + .into_iter() + .flatten() + .map(|&did| { + cx.tcx + .associated_items(did) + .filter_by_name_unhygienic(method_name) + .next() + .filter(|item| item.kind == ty::AssocKind::Fn) + }) + .next() + .flatten() } else { - false + None } } diff --git a/tests/ui/indexing_slicing_slice.rs b/tests/ui/indexing_slicing_slice.rs index 721ba8facec5..87a914db6fda 100644 --- a/tests/ui/indexing_slicing_slice.rs +++ b/tests/ui/indexing_slicing_slice.rs @@ -2,7 +2,13 @@ // We also check the out_of_bounds_indexing lint here, because it lints similar things and // we want to avoid false positives. #![warn(clippy::out_of_bounds_indexing)] -#![allow(clippy::no_effect, clippy::unnecessary_operation, clippy::useless_vec)] +#![allow( + clippy::no_effect, + clippy::unnecessary_operation, + clippy::useless_vec, + unused_must_use, + unused +)] #![warn(clippy::indexing_slicing)] use std::ops::Index; @@ -19,6 +25,28 @@ impl Index for BoolMap { } } +struct BoolMapWithGet { + false_value: T, + true_value: T, +} + +impl Index for BoolMapWithGet { + type Output = T; + fn index(&self, index: bool) -> &Self::Output { + if index { &self.true_value } else { &self.false_value } + } +} + +impl BoolMapWithGet { + fn get(&self, index: bool) -> Option<&T> { + if index { + Some(&self.true_value) + } else { + Some(&self.false_value) + } + } +} + fn main() { let x = [1, 2, 3, 4]; let index: usize = 1; @@ -73,4 +101,12 @@ fn main() { }; map[true]; // Ok, because `get` does not exist (custom indexing) + + let map_with_get = BoolMapWithGet { + false_value: 2, + true_value: 4, + }; + + // Lint on this, because `get` does exist with same signature + map_with_get[true]; } From ae59f5002dd7b872df10437cbf09f1af6f599a69 Mon Sep 17 00:00:00 2001 From: Jacherr Date: Wed, 27 Mar 2024 10:13:27 +0000 Subject: [PATCH 0784/1716] add additional testcases --- clippy_lints/src/indexing_slicing.rs | 5 --- tests/ui/indexing_slicing_slice.rs | 48 +++++++++++++++++++++ tests/ui/indexing_slicing_slice.stderr | 58 ++++++++++++++++++-------- 3 files changed, 89 insertions(+), 22 deletions(-) diff --git a/clippy_lints/src/indexing_slicing.rs b/clippy_lints/src/indexing_slicing.rs index 7dee30547a0c..a1dcaa0c43ac 100644 --- a/clippy_lints/src/indexing_slicing.rs +++ b/clippy_lints/src/indexing_slicing.rs @@ -262,11 +262,6 @@ fn ty_has_appliciable_get_function<'tcx>( && cx.tcx.is_diagnostic_item(sym::Option, def.0.did) && let Some(option_generic_param) = args.get(0) && let generic_ty = option_generic_param.expect_ty().peel_refs() - && let _ = println!( - "{}, {}", - cx.typeck_results().expr_ty(index_expr).peel_refs(), - generic_ty.peel_refs() - ) && cx.typeck_results().expr_ty(index_expr).peel_refs() == generic_ty.peel_refs() { true diff --git a/tests/ui/indexing_slicing_slice.rs b/tests/ui/indexing_slicing_slice.rs index 87a914db6fda..fba794aeaa61 100644 --- a/tests/ui/indexing_slicing_slice.rs +++ b/tests/ui/indexing_slicing_slice.rs @@ -47,6 +47,45 @@ impl BoolMapWithGet { } } +struct S(T); +impl S { + fn get() -> Option { + unimplemented!() + } +} +impl Index for S { + type Output = T; + fn index(&self, _index: i32) -> &Self::Output { + &self.0 + } +} + +struct Y(T); +impl Y { + fn get() -> Option { + unimplemented!() + } +} +impl Index for Y { + type Output = T; + fn index(&self, _index: i32) -> &Self::Output { + &self.0 + } +} + +struct Z(T); +impl Z { + fn get() -> T2 { + todo!() + } +} +impl Index for Z { + type Output = T; + fn index(&self, _index: i32) -> &Self::Output { + &self.0 + } +} + fn main() { let x = [1, 2, 3, 4]; let index: usize = 1; @@ -109,4 +148,13 @@ fn main() { // Lint on this, because `get` does exist with same signature map_with_get[true]; + + let s = S::(1); + s[0]; + + let y = Y::(1); + y[0]; + + let z = Z::(1); + z[0]; } diff --git a/tests/ui/indexing_slicing_slice.stderr b/tests/ui/indexing_slicing_slice.stderr index 43fa44051c68..a149d2a8fdba 100644 --- a/tests/ui/indexing_slicing_slice.stderr +++ b/tests/ui/indexing_slicing_slice.stderr @@ -1,5 +1,5 @@ error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:27:6 + --> tests/ui/indexing_slicing_slice.rs:81:6 | LL | &x[index..]; | ^^^^^^^^^^ @@ -9,7 +9,7 @@ LL | &x[index..]; = help: to override `-D warnings` add `#[allow(clippy::indexing_slicing)]` error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:29:6 + --> tests/ui/indexing_slicing_slice.rs:83:6 | LL | &x[..index]; | ^^^^^^^^^^ @@ -17,7 +17,7 @@ LL | &x[..index]; = help: consider using `.get(..n)`or `.get_mut(..n)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:31:6 + --> tests/ui/indexing_slicing_slice.rs:85:6 | LL | &x[index_from..index_to]; | ^^^^^^^^^^^^^^^^^^^^^^^ @@ -25,7 +25,7 @@ LL | &x[index_from..index_to]; = help: consider using `.get(n..m)` or `.get_mut(n..m)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:33:6 + --> tests/ui/indexing_slicing_slice.rs:87:6 | LL | &x[index_from..][..index_to]; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -33,7 +33,7 @@ LL | &x[index_from..][..index_to]; = help: consider using `.get(..n)`or `.get_mut(..n)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:33:6 + --> tests/ui/indexing_slicing_slice.rs:87:6 | LL | &x[index_from..][..index_to]; | ^^^^^^^^^^^^^^^ @@ -41,7 +41,7 @@ LL | &x[index_from..][..index_to]; = help: consider using `.get(n..)` or .get_mut(n..)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:36:6 + --> tests/ui/indexing_slicing_slice.rs:90:6 | LL | &x[5..][..10]; | ^^^^^^^^^^^^ @@ -49,7 +49,7 @@ LL | &x[5..][..10]; = help: consider using `.get(..n)`or `.get_mut(..n)` instead error: range is out of bounds - --> tests/ui/indexing_slicing_slice.rs:36:8 + --> tests/ui/indexing_slicing_slice.rs:90:8 | LL | &x[5..][..10]; | ^ @@ -58,7 +58,7 @@ LL | &x[5..][..10]; = help: to override `-D warnings` add `#[allow(clippy::out_of_bounds_indexing)]` error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:40:6 + --> tests/ui/indexing_slicing_slice.rs:94:6 | LL | &x[0..][..3]; | ^^^^^^^^^^^ @@ -66,7 +66,7 @@ LL | &x[0..][..3]; = help: consider using `.get(..n)`or `.get_mut(..n)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:42:6 + --> tests/ui/indexing_slicing_slice.rs:96:6 | LL | &x[1..][..5]; | ^^^^^^^^^^^ @@ -74,19 +74,19 @@ LL | &x[1..][..5]; = help: consider using `.get(..n)`or `.get_mut(..n)` instead error: range is out of bounds - --> tests/ui/indexing_slicing_slice.rs:50:12 + --> tests/ui/indexing_slicing_slice.rs:104:12 | LL | &y[0..=4]; | ^ error: range is out of bounds - --> tests/ui/indexing_slicing_slice.rs:52:11 + --> tests/ui/indexing_slicing_slice.rs:106:11 | LL | &y[..=4]; | ^ error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:58:6 + --> tests/ui/indexing_slicing_slice.rs:112:6 | LL | &v[10..100]; | ^^^^^^^^^^ @@ -94,7 +94,7 @@ LL | &v[10..100]; = help: consider using `.get(n..m)` or `.get_mut(n..m)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:60:6 + --> tests/ui/indexing_slicing_slice.rs:114:6 | LL | &x[10..][..100]; | ^^^^^^^^^^^^^^ @@ -102,13 +102,13 @@ LL | &x[10..][..100]; = help: consider using `.get(..n)`or `.get_mut(..n)` instead error: range is out of bounds - --> tests/ui/indexing_slicing_slice.rs:60:8 + --> tests/ui/indexing_slicing_slice.rs:114:8 | LL | &x[10..][..100]; | ^^ error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:63:6 + --> tests/ui/indexing_slicing_slice.rs:117:6 | LL | &v[10..]; | ^^^^^^^ @@ -116,12 +116,36 @@ LL | &v[10..]; = help: consider using `.get(n..)` or .get_mut(n..)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:65:6 + --> tests/ui/indexing_slicing_slice.rs:119:6 | LL | &v[..100]; | ^^^^^^^^ | = help: consider using `.get(..n)`or `.get_mut(..n)` instead -error: aborting due to 16 previous errors +error: indexing may panic + --> tests/ui/indexing_slicing_slice.rs:137:5 + | +LL | map_with_get[true]; + | ^^^^^^^^^^^^^^^^^^ + | + = help: consider using `.get(n)` or `.get_mut(n)` instead + +error: indexing may panic + --> tests/ui/indexing_slicing_slice.rs:140:5 + | +LL | s[0]; + | ^^^^ + | + = help: consider using `.get(n)` or `.get_mut(n)` instead + +error: indexing may panic + --> tests/ui/indexing_slicing_slice.rs:143:5 + | +LL | y[0]; + | ^^^^ + | + = help: consider using `.get(n)` or `.get_mut(n)` instead + +error: aborting due to 19 previous errors From 1c117f12eaa94070cf18487a9283167c6b1d8e1d Mon Sep 17 00:00:00 2001 From: Jacher Date: Thu, 30 May 2024 13:15:25 +0000 Subject: [PATCH 0785/1716] ignore generics in handling --- clippy_lints/src/indexing_slicing.rs | 14 ++++++---- clippy_utils/src/ty.rs | 8 +++--- tests/ui/indexing_slicing_slice.rs | 2 +- tests/ui/indexing_slicing_slice.stderr | 38 +++++++++++++------------- 4 files changed, 32 insertions(+), 30 deletions(-) diff --git a/clippy_lints/src/indexing_slicing.rs b/clippy_lints/src/indexing_slicing.rs index a1dcaa0c43ac..b13b4d145dfb 100644 --- a/clippy_lints/src/indexing_slicing.rs +++ b/clippy_lints/src/indexing_slicing.rs @@ -112,7 +112,7 @@ impl<'tcx> LateLintPass<'tcx> for IndexingSlicing { && deref.any(|l| { l.peel_refs().is_slice() || l.peel_refs().is_array() - || ty_has_appliciable_get_function(cx, l.peel_refs(), expr_ty, expr) + || ty_has_applicable_get_function(cx, l.peel_refs(), expr_ty, expr) }) { let note = "the suggestion might not be applicable in constant blocks"; @@ -244,25 +244,27 @@ fn to_const_range(cx: &LateContext<'_>, range: higher::Range<'_>, array_size: u1 /// Checks if the output Ty of the `get` method on this Ty (if any) matches the Ty returned by the /// indexing operation (if any). -fn ty_has_appliciable_get_function<'tcx>( +fn ty_has_applicable_get_function<'tcx>( cx: &LateContext<'tcx>, ty: Ty<'tcx>, array_ty: Ty<'tcx>, index_expr: &Expr<'_>, ) -> bool { - if let ty::Adt(_, array_args) = array_ty.kind() + if let ty::Adt(_, _) = array_ty.kind() && let Some(get_output_ty) = get_adt_inherent_method(cx, ty, sym!(get)).map(|m| { cx.tcx .fn_sig(m.def_id) - .instantiate(cx.tcx, array_args) + .skip_binder() .output() .skip_binder() }) && let ty::Adt(def, args) = get_output_ty.kind() && cx.tcx.is_diagnostic_item(sym::Option, def.0.did) - && let Some(option_generic_param) = args.get(0) + && let Some(option_generic_param) = args.first() && let generic_ty = option_generic_param.expect_ty().peel_refs() - && cx.typeck_results().expr_ty(index_expr).peel_refs() == generic_ty.peel_refs() + // FIXME: ideally this would handle type params and projections properly, for now just assume it's the same type + && (cx.typeck_results().expr_ty(index_expr).peel_refs() == generic_ty.peel_refs() + || matches!(generic_ty.peel_refs().kind(), ty::Param(_) | ty::Alias(_, _))) { true } else { diff --git a/clippy_utils/src/ty.rs b/clippy_utils/src/ty.rs index 90360e85d8d3..07a1719cb1be 100644 --- a/clippy_utils/src/ty.rs +++ b/clippy_utils/src/ty.rs @@ -18,8 +18,8 @@ use rustc_middle::traits::EvaluationResult; use rustc_middle::ty::layout::ValidityRequirement; use rustc_middle::ty::{ self, AdtDef, AliasTy, AssocItem, AssocKind, Binder, BoundRegion, FnSig, GenericArg, GenericArgKind, - GenericArgsRef, GenericParamDefKind, IntTy, List, ParamEnv, Region, RegionKind, ToPredicate, TraitRef, Ty, TyCtxt, - TypeSuperVisitable, TypeVisitable, TypeVisitableExt, TypeVisitor, UintTy, VariantDef, VariantDiscr, + GenericArgsRef, GenericParamDefKind, IntTy, ParamEnv, Region, RegionKind, TraitRef, Ty, TyCtxt, TypeSuperVisitable, + TypeVisitable, TypeVisitableExt, TypeVisitor, UintTy, Upcast, VariantDef, VariantDiscr, }; use rustc_span::symbol::Ident; use rustc_span::{sym, Span, Symbol, DUMMY_SP}; @@ -1346,7 +1346,7 @@ pub fn deref_chain<'cx, 'tcx>(cx: &'cx LateContext<'tcx>, ty: Ty<'tcx>) -> impl /// This does not look for impls in the type's `Deref::Target` type. /// If you need this, you should wrap this call in `clippy_utils::ty::deref_chain().any(...)`. pub fn get_adt_inherent_method<'a>(cx: &'a LateContext<'_>, ty: Ty<'_>, method_name: Symbol) -> Option<&'a AssocItem> { - if let Some(ty_did) = ty.ty_adt_def().map(ty::AdtDef::did) { + if let Some(ty_did) = ty.ty_adt_def().map(AdtDef::did) { cx.tcx .inherent_impls(ty_did) .into_iter() @@ -1356,7 +1356,7 @@ pub fn get_adt_inherent_method<'a>(cx: &'a LateContext<'_>, ty: Ty<'_>, method_n .associated_items(did) .filter_by_name_unhygienic(method_name) .next() - .filter(|item| item.kind == ty::AssocKind::Fn) + .filter(|item| item.kind == AssocKind::Fn) }) .next() .flatten() diff --git a/tests/ui/indexing_slicing_slice.rs b/tests/ui/indexing_slicing_slice.rs index fba794aeaa61..69291acd9c77 100644 --- a/tests/ui/indexing_slicing_slice.rs +++ b/tests/ui/indexing_slicing_slice.rs @@ -76,7 +76,7 @@ impl Index for Y { struct Z(T); impl Z { fn get() -> T2 { - todo!() + unimplemented!() } } impl Index for Z { diff --git a/tests/ui/indexing_slicing_slice.stderr b/tests/ui/indexing_slicing_slice.stderr index a149d2a8fdba..a7da3fe3faa7 100644 --- a/tests/ui/indexing_slicing_slice.stderr +++ b/tests/ui/indexing_slicing_slice.stderr @@ -1,5 +1,5 @@ error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:81:6 + --> tests/ui/indexing_slicing_slice.rs:94:6 | LL | &x[index..]; | ^^^^^^^^^^ @@ -9,7 +9,7 @@ LL | &x[index..]; = help: to override `-D warnings` add `#[allow(clippy::indexing_slicing)]` error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:83:6 + --> tests/ui/indexing_slicing_slice.rs:96:6 | LL | &x[..index]; | ^^^^^^^^^^ @@ -17,7 +17,7 @@ LL | &x[..index]; = help: consider using `.get(..n)`or `.get_mut(..n)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:85:6 + --> tests/ui/indexing_slicing_slice.rs:98:6 | LL | &x[index_from..index_to]; | ^^^^^^^^^^^^^^^^^^^^^^^ @@ -25,7 +25,7 @@ LL | &x[index_from..index_to]; = help: consider using `.get(n..m)` or `.get_mut(n..m)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:87:6 + --> tests/ui/indexing_slicing_slice.rs:100:6 | LL | &x[index_from..][..index_to]; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -33,7 +33,7 @@ LL | &x[index_from..][..index_to]; = help: consider using `.get(..n)`or `.get_mut(..n)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:87:6 + --> tests/ui/indexing_slicing_slice.rs:100:6 | LL | &x[index_from..][..index_to]; | ^^^^^^^^^^^^^^^ @@ -41,7 +41,7 @@ LL | &x[index_from..][..index_to]; = help: consider using `.get(n..)` or .get_mut(n..)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:90:6 + --> tests/ui/indexing_slicing_slice.rs:103:6 | LL | &x[5..][..10]; | ^^^^^^^^^^^^ @@ -49,7 +49,7 @@ LL | &x[5..][..10]; = help: consider using `.get(..n)`or `.get_mut(..n)` instead error: range is out of bounds - --> tests/ui/indexing_slicing_slice.rs:90:8 + --> tests/ui/indexing_slicing_slice.rs:103:8 | LL | &x[5..][..10]; | ^ @@ -58,7 +58,7 @@ LL | &x[5..][..10]; = help: to override `-D warnings` add `#[allow(clippy::out_of_bounds_indexing)]` error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:94:6 + --> tests/ui/indexing_slicing_slice.rs:107:6 | LL | &x[0..][..3]; | ^^^^^^^^^^^ @@ -66,7 +66,7 @@ LL | &x[0..][..3]; = help: consider using `.get(..n)`or `.get_mut(..n)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:96:6 + --> tests/ui/indexing_slicing_slice.rs:109:6 | LL | &x[1..][..5]; | ^^^^^^^^^^^ @@ -74,19 +74,19 @@ LL | &x[1..][..5]; = help: consider using `.get(..n)`or `.get_mut(..n)` instead error: range is out of bounds - --> tests/ui/indexing_slicing_slice.rs:104:12 + --> tests/ui/indexing_slicing_slice.rs:117:12 | LL | &y[0..=4]; | ^ error: range is out of bounds - --> tests/ui/indexing_slicing_slice.rs:106:11 + --> tests/ui/indexing_slicing_slice.rs:119:11 | LL | &y[..=4]; | ^ error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:112:6 + --> tests/ui/indexing_slicing_slice.rs:125:6 | LL | &v[10..100]; | ^^^^^^^^^^ @@ -94,7 +94,7 @@ LL | &v[10..100]; = help: consider using `.get(n..m)` or `.get_mut(n..m)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:114:6 + --> tests/ui/indexing_slicing_slice.rs:127:6 | LL | &x[10..][..100]; | ^^^^^^^^^^^^^^ @@ -102,13 +102,13 @@ LL | &x[10..][..100]; = help: consider using `.get(..n)`or `.get_mut(..n)` instead error: range is out of bounds - --> tests/ui/indexing_slicing_slice.rs:114:8 + --> tests/ui/indexing_slicing_slice.rs:127:8 | LL | &x[10..][..100]; | ^^ error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:117:6 + --> tests/ui/indexing_slicing_slice.rs:130:6 | LL | &v[10..]; | ^^^^^^^ @@ -116,7 +116,7 @@ LL | &v[10..]; = help: consider using `.get(n..)` or .get_mut(n..)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:119:6 + --> tests/ui/indexing_slicing_slice.rs:132:6 | LL | &v[..100]; | ^^^^^^^^ @@ -124,7 +124,7 @@ LL | &v[..100]; = help: consider using `.get(..n)`or `.get_mut(..n)` instead error: indexing may panic - --> tests/ui/indexing_slicing_slice.rs:137:5 + --> tests/ui/indexing_slicing_slice.rs:150:5 | LL | map_with_get[true]; | ^^^^^^^^^^^^^^^^^^ @@ -132,7 +132,7 @@ LL | map_with_get[true]; = help: consider using `.get(n)` or `.get_mut(n)` instead error: indexing may panic - --> tests/ui/indexing_slicing_slice.rs:140:5 + --> tests/ui/indexing_slicing_slice.rs:153:5 | LL | s[0]; | ^^^^ @@ -140,7 +140,7 @@ LL | s[0]; = help: consider using `.get(n)` or `.get_mut(n)` instead error: indexing may panic - --> tests/ui/indexing_slicing_slice.rs:143:5 + --> tests/ui/indexing_slicing_slice.rs:156:5 | LL | y[0]; | ^^^^ From 97d2c3a6a738c019ba59d884a7233ca53ee4f28c Mon Sep 17 00:00:00 2001 From: lcnr Date: Tue, 21 May 2024 18:01:16 +0000 Subject: [PATCH 0786/1716] remove tracing tree indent lines --- compiler/rustc_log/src/lib.rs | 1 - compiler/rustc_pattern_analysis/tests/common/mod.rs | 1 - src/librustdoc/lib.rs | 1 - 3 files changed, 3 deletions(-) diff --git a/compiler/rustc_log/src/lib.rs b/compiler/rustc_log/src/lib.rs index e11c45b66e6d..41b26ecce3c5 100644 --- a/compiler/rustc_log/src/lib.rs +++ b/compiler/rustc_log/src/lib.rs @@ -103,7 +103,6 @@ pub fn init_logger(cfg: LoggerConfig) -> Result<(), Error> { let mut layer = tracing_tree::HierarchicalLayer::default() .with_writer(io::stderr) - .with_indent_lines(true) .with_ansi(color_logs) .with_targets(true) .with_verbose_exit(verbose_entry_exit) diff --git a/compiler/rustc_pattern_analysis/tests/common/mod.rs b/compiler/rustc_pattern_analysis/tests/common/mod.rs index e72fddb9e9a8..6e8bb5050055 100644 --- a/compiler/rustc_pattern_analysis/tests/common/mod.rs +++ b/compiler/rustc_pattern_analysis/tests/common/mod.rs @@ -13,7 +13,6 @@ pub fn init_tracing() { use tracing_subscriber::Layer; let _ = tracing_tree::HierarchicalLayer::default() .with_writer(std::io::stderr) - .with_indent_lines(true) .with_ansi(true) .with_targets(true) .with_indent_amount(2) diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs index 55346c768b66..c0d2f9cfaf95 100644 --- a/src/librustdoc/lib.rs +++ b/src/librustdoc/lib.rs @@ -200,7 +200,6 @@ fn init_logging(early_dcx: &EarlyDiagCtxt) { let filter = tracing_subscriber::EnvFilter::from_env("RUSTDOC_LOG"); let layer = tracing_tree::HierarchicalLayer::default() .with_writer(io::stderr) - .with_indent_lines(true) .with_ansi(color_logs) .with_targets(true) .with_wraparound(10) From f7d14b741e0be6a2ca49e34bd1e6bf827647e30f Mon Sep 17 00:00:00 2001 From: lcnr Date: Tue, 21 May 2024 18:16:33 +0000 Subject: [PATCH 0787/1716] update UI tests --- .../occurs-check/associated-type.next.stderr | 8 ++++---- .../occurs-check/associated-type.old.stderr | 16 ++++++++-------- .../structually-relate-aliases.stderr | 4 ++-- ...itrary-self-from-method-substs.default.stderr | 2 +- .../next-solver/issue-118950-root-region.stderr | 8 ++++---- 5 files changed, 19 insertions(+), 19 deletions(-) diff --git a/tests/ui/coherence/occurs-check/associated-type.next.stderr b/tests/ui/coherence/occurs-check/associated-type.next.stderr index 7443459b8300..d809a6948f3e 100644 --- a/tests/ui/coherence/occurs-check/associated-type.next.stderr +++ b/tests/ui/coherence/occurs-check/associated-type.next.stderr @@ -1,7 +1,7 @@ -WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } -WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } -WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } -WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } error[E0119]: conflicting implementations of trait `Overlap fn(&'a (), ())>` for type `for<'a> fn(&'a (), ())` --> $DIR/associated-type.rs:31:1 | diff --git a/tests/ui/coherence/occurs-check/associated-type.old.stderr b/tests/ui/coherence/occurs-check/associated-type.old.stderr index 38a02c906d4f..329086ab7dfd 100644 --- a/tests/ui/coherence/occurs-check/associated-type.old.stderr +++ b/tests/ui/coherence/occurs-check/associated-type.old.stderr @@ -1,11 +1,11 @@ -WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } -WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, !2_0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } -WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } -WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, !2_0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } -WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } -WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, !2_0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } -WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } -WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, !2_0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, !2_0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, !2_0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, !2_0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, !2_0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } error[E0119]: conflicting implementations of trait `Overlap fn(&'a (), _)>` for type `for<'a> fn(&'a (), _)` --> $DIR/associated-type.rs:31:1 | diff --git a/tests/ui/higher-ranked/structually-relate-aliases.stderr b/tests/ui/higher-ranked/structually-relate-aliases.stderr index 59fab52b221e..2f1dfd19c483 100644 --- a/tests/ui/higher-ranked/structually-relate-aliases.stderr +++ b/tests/ui/higher-ranked/structually-relate-aliases.stderr @@ -1,5 +1,5 @@ -WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [?1t, '^0.Named(DefId(0:15 ~ structually_relate_aliases[de75]::{impl#1}::'a), "'a")], def_id: DefId(0:5 ~ structually_relate_aliases[de75]::ToUnit::Unit) } -WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [?1t, !2_0.Named(DefId(0:15 ~ structually_relate_aliases[de75]::{impl#1}::'a), "'a")], def_id: DefId(0:5 ~ structually_relate_aliases[de75]::ToUnit::Unit) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [?1t, '^0.Named(DefId(0:15 ~ structually_relate_aliases[de75]::{impl#1}::'a), "'a")], def_id: DefId(0:5 ~ structually_relate_aliases[de75]::ToUnit::Unit) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [?1t, !2_0.Named(DefId(0:15 ~ structually_relate_aliases[de75]::{impl#1}::'a), "'a")], def_id: DefId(0:5 ~ structually_relate_aliases[de75]::ToUnit::Unit) } error[E0277]: the trait bound `for<'a> T: ToUnit<'a>` is not satisfied --> $DIR/structually-relate-aliases.rs:13:36 | diff --git a/tests/ui/self/arbitrary-self-from-method-substs.default.stderr b/tests/ui/self/arbitrary-self-from-method-substs.default.stderr index bd0519f66c0d..6fff086a89c2 100644 --- a/tests/ui/self/arbitrary-self-from-method-substs.default.stderr +++ b/tests/ui/self/arbitrary-self-from-method-substs.default.stderr @@ -9,7 +9,7 @@ LL | fn get>(self: R) -> u32 { = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date = help: consider changing to `self`, `&self`, `&mut self`, `self: Box`, `self: Rc`, `self: Arc`, or `self: Pin

` (where P is one of the previous types except `Self`) -ERROR rustc_hir_typeck::method::confirm Foo was a subtype of &Foo but now is not? + ERROR rustc_hir_typeck::method::confirm Foo was a subtype of &Foo but now is not? error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0658`. diff --git a/tests/ui/traits/next-solver/issue-118950-root-region.stderr b/tests/ui/traits/next-solver/issue-118950-root-region.stderr index 2e0566cad08e..17da1f524796 100644 --- a/tests/ui/traits/next-solver/issue-118950-root-region.stderr +++ b/tests/ui/traits/next-solver/issue-118950-root-region.stderr @@ -25,10 +25,10 @@ help: this trait has no implementations, consider adding one LL | trait ToUnit<'a> { | ^^^^^^^^^^^^^^^^ -WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: ['^0.Named(DefId(0:15 ~ issue_118950_root_region[d54f]::{impl#1}::'a), "'a"), ?1t], def_id: DefId(0:8 ~ issue_118950_root_region[d54f]::Assoc) } -WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: ['^0.Named(DefId(0:15 ~ issue_118950_root_region[d54f]::{impl#1}::'a), "'a"), ?1t], def_id: DefId(0:8 ~ issue_118950_root_region[d54f]::Assoc) } -WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: ['^0.Named(DefId(0:15 ~ issue_118950_root_region[d54f]::{impl#1}::'a), "'a"), ?1t], def_id: DefId(0:8 ~ issue_118950_root_region[d54f]::Assoc) } -WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: ['^0.Named(DefId(0:15 ~ issue_118950_root_region[d54f]::{impl#1}::'a), "'a"), ?1t], def_id: DefId(0:8 ~ issue_118950_root_region[d54f]::Assoc) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: ['^0.Named(DefId(0:15 ~ issue_118950_root_region[d54f]::{impl#1}::'a), "'a"), ?1t], def_id: DefId(0:8 ~ issue_118950_root_region[d54f]::Assoc) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: ['^0.Named(DefId(0:15 ~ issue_118950_root_region[d54f]::{impl#1}::'a), "'a"), ?1t], def_id: DefId(0:8 ~ issue_118950_root_region[d54f]::Assoc) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: ['^0.Named(DefId(0:15 ~ issue_118950_root_region[d54f]::{impl#1}::'a), "'a"), ?1t], def_id: DefId(0:8 ~ issue_118950_root_region[d54f]::Assoc) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: ['^0.Named(DefId(0:15 ~ issue_118950_root_region[d54f]::{impl#1}::'a), "'a"), ?1t], def_id: DefId(0:8 ~ issue_118950_root_region[d54f]::Assoc) } error[E0119]: conflicting implementations of trait `Overlap` for type `fn(_)` --> $DIR/issue-118950-root-region.rs:19:1 | From 86cbabbb9d41c8e7bb3b4716e1bb224163532f4e Mon Sep 17 00:00:00 2001 From: lcnr Date: Tue, 21 May 2024 18:16:47 +0000 Subject: [PATCH 0788/1716] add logging to search graph --- compiler/rustc_trait_selection/src/solve/search_graph.rs | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/compiler/rustc_trait_selection/src/solve/search_graph.rs b/compiler/rustc_trait_selection/src/solve/search_graph.rs index f1b8bf4676ee..84878fea1013 100644 --- a/compiler/rustc_trait_selection/src/solve/search_graph.rs +++ b/compiler/rustc_trait_selection/src/solve/search_graph.rs @@ -281,6 +281,7 @@ impl<'tcx> SearchGraph> { }; if let Some(result) = self.lookup_global_cache(tcx, input, available_depth, inspect) { + debug!("global cache hit"); return result; } @@ -365,7 +366,7 @@ impl<'tcx> SearchGraph> { for _ in 0..FIXPOINT_STEP_LIMIT { match self.fixpoint_step_in_task(tcx, input, inspect, &mut prove_goal) { StepResult::Done(final_entry, result) => return (final_entry, result), - StepResult::HasChanged => {} + StepResult::HasChanged => debug!("fixpoint changed provisional results"), } } From aa8f995b89b939fa4e7528b42df36b1eeec4731d Mon Sep 17 00:00:00 2001 From: lcnr Date: Fri, 24 May 2024 15:46:42 +0000 Subject: [PATCH 0789/1716] add info to rust-ldd tests failures --- tests/run-make/rust-lld-by-default/rmake.rs | 12 +++++++----- tests/run-make/rust-lld-custom-target/rmake.rs | 12 +++++++----- tests/run-make/rust-lld/rmake.rs | 17 ++++++++++------- 3 files changed, 24 insertions(+), 17 deletions(-) diff --git a/tests/run-make/rust-lld-by-default/rmake.rs b/tests/run-make/rust-lld-by-default/rmake.rs index 6a8dae1043e3..b46988da5038 100644 --- a/tests/run-make/rust-lld-by-default/rmake.rs +++ b/tests/run-make/rust-lld-by-default/rmake.rs @@ -17,8 +17,9 @@ fn main() { .input("main.rs") .run(); assert!( - find_lld_version_in_logs(output), - "the LLD version string should be present in the output logs" + find_lld_version_in_logs(&output), + "the LLD version string should be present in the output logs:\n{}", + std::str::from_utf8(&output.stderr).unwrap() ); // But it can still be disabled by turning the linker feature off. @@ -29,12 +30,13 @@ fn main() { .input("main.rs") .run(); assert!( - !find_lld_version_in_logs(output), - "the LLD version string should not be present in the output logs" + !find_lld_version_in_logs(&output), + "the LLD version string should not be present in the output logs:\n{}", + std::str::from_utf8(&output.stderr).unwrap() ); } -fn find_lld_version_in_logs(output: Output) -> bool { +fn find_lld_version_in_logs(output: &Output) -> bool { let lld_version_re = Regex::new(r"^LLD [0-9]+\.[0-9]+\.[0-9]+").unwrap(); let stderr = std::str::from_utf8(&output.stderr).unwrap(); stderr.lines().any(|line| lld_version_re.is_match(line)) diff --git a/tests/run-make/rust-lld-custom-target/rmake.rs b/tests/run-make/rust-lld-custom-target/rmake.rs index 9bdb69f47d8e..4eb858574634 100644 --- a/tests/run-make/rust-lld-custom-target/rmake.rs +++ b/tests/run-make/rust-lld-custom-target/rmake.rs @@ -23,8 +23,9 @@ fn main() { .input("lib.rs") .run(); assert!( - find_lld_version_in_logs(output), - "the LLD version string should be present in the output logs" + find_lld_version_in_logs(&output), + "the LLD version string should be present in the output logs:\n{}", + std::str::from_utf8(&output.stderr).unwrap() ); // But it can also be disabled via linker features. @@ -37,12 +38,13 @@ fn main() { .input("lib.rs") .run(); assert!( - !find_lld_version_in_logs(output), - "the LLD version string should not be present in the output logs" + !find_lld_version_in_logs(&output), + "the LLD version string should not be present in the output logs:\n{}", + std::str::from_utf8(&output.stderr).unwrap() ); } -fn find_lld_version_in_logs(output: Output) -> bool { +fn find_lld_version_in_logs(output: &Output) -> bool { let lld_version_re = Regex::new(r"^LLD [0-9]+\.[0-9]+\.[0-9]+").unwrap(); let stderr = std::str::from_utf8(&output.stderr).unwrap(); stderr.lines().any(|line| lld_version_re.is_match(line)) diff --git a/tests/run-make/rust-lld/rmake.rs b/tests/run-make/rust-lld/rmake.rs index feeb82e709e1..e186bc700d3e 100644 --- a/tests/run-make/rust-lld/rmake.rs +++ b/tests/run-make/rust-lld/rmake.rs @@ -21,8 +21,9 @@ fn main() { .input("main.rs") .run(); assert!( - find_lld_version_in_logs(output), - "the LLD version string should be present in the output logs" + find_lld_version_in_logs(&output), + "the LLD version string should be present in the output logs:\n{}", + std::str::from_utf8(&output.stderr).unwrap() ); // It should not be used when we explictly opt-out of lld. @@ -33,8 +34,9 @@ fn main() { .input("main.rs") .run(); assert!( - !find_lld_version_in_logs(output), - "the LLD version string should not be present in the output logs" + !find_lld_version_in_logs(&output), + "the LLD version string should not be present in the output logs:\n{}", + std::str::from_utf8(&output.stderr).unwrap() ); // While we're here, also check that the last linker feature flag "wins" when passed multiple @@ -50,12 +52,13 @@ fn main() { .input("main.rs") .run(); assert!( - find_lld_version_in_logs(output), - "the LLD version string should be present in the output logs" + find_lld_version_in_logs(&output), + "the LLD version string should be present in the output logs:\n{}", + std::str::from_utf8(&output.stderr).unwrap() ); } -fn find_lld_version_in_logs(output: Output) -> bool { +fn find_lld_version_in_logs(output: &Output) -> bool { let lld_version_re = Regex::new(r"^LLD [0-9]+\.[0-9]+\.[0-9]+").unwrap(); let stderr = std::str::from_utf8(&output.stderr).unwrap(); stderr.lines().any(|line| lld_version_re.is_match(line)) From 8160974ce8e751e3283d61493325ae71dccd0877 Mon Sep 17 00:00:00 2001 From: lcnr Date: Fri, 24 May 2024 15:50:20 +0000 Subject: [PATCH 0790/1716] ignore whitespace in ldd tests --- tests/run-make/rust-lld-by-default/rmake.rs | 2 +- tests/run-make/rust-lld-custom-target/rmake.rs | 2 +- tests/run-make/rust-lld/rmake.rs | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/tests/run-make/rust-lld-by-default/rmake.rs b/tests/run-make/rust-lld-by-default/rmake.rs index b46988da5038..8ab16394a915 100644 --- a/tests/run-make/rust-lld-by-default/rmake.rs +++ b/tests/run-make/rust-lld-by-default/rmake.rs @@ -39,5 +39,5 @@ fn main() { fn find_lld_version_in_logs(output: &Output) -> bool { let lld_version_re = Regex::new(r"^LLD [0-9]+\.[0-9]+\.[0-9]+").unwrap(); let stderr = std::str::from_utf8(&output.stderr).unwrap(); - stderr.lines().any(|line| lld_version_re.is_match(line)) + stderr.lines().any(|line| lld_version_re.is_match(line.trim())) } diff --git a/tests/run-make/rust-lld-custom-target/rmake.rs b/tests/run-make/rust-lld-custom-target/rmake.rs index 4eb858574634..e6c4a321d000 100644 --- a/tests/run-make/rust-lld-custom-target/rmake.rs +++ b/tests/run-make/rust-lld-custom-target/rmake.rs @@ -47,5 +47,5 @@ fn main() { fn find_lld_version_in_logs(output: &Output) -> bool { let lld_version_re = Regex::new(r"^LLD [0-9]+\.[0-9]+\.[0-9]+").unwrap(); let stderr = std::str::from_utf8(&output.stderr).unwrap(); - stderr.lines().any(|line| lld_version_re.is_match(line)) + stderr.lines().any(|line| lld_version_re.is_match(line.trim())) } diff --git a/tests/run-make/rust-lld/rmake.rs b/tests/run-make/rust-lld/rmake.rs index e186bc700d3e..a74e858045d4 100644 --- a/tests/run-make/rust-lld/rmake.rs +++ b/tests/run-make/rust-lld/rmake.rs @@ -61,5 +61,5 @@ fn main() { fn find_lld_version_in_logs(output: &Output) -> bool { let lld_version_re = Regex::new(r"^LLD [0-9]+\.[0-9]+\.[0-9]+").unwrap(); let stderr = std::str::from_utf8(&output.stderr).unwrap(); - stderr.lines().any(|line| lld_version_re.is_match(line)) + stderr.lines().any(|line| lld_version_re.is_match(line.trim())) } From 7cd732f990ec341efdac53f6519a44b72e07861f Mon Sep 17 00:00:00 2001 From: Raoul Strackx Date: Wed, 29 May 2024 14:19:09 +0200 Subject: [PATCH 0791/1716] Avoid `mut` and simplify initialization of `TASK_QUEUE` --- library/std/src/sys/pal/sgx/thread.rs | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-) diff --git a/library/std/src/sys/pal/sgx/thread.rs b/library/std/src/sys/pal/sgx/thread.rs index 7d271e6d2b65..d70c6e31fb73 100644 --- a/library/std/src/sys/pal/sgx/thread.rs +++ b/library/std/src/sys/pal/sgx/thread.rs @@ -15,7 +15,7 @@ pub use self::task_queue::JoinNotifier; mod task_queue { use super::wait_notify; - use crate::sync::{Mutex, MutexGuard, Once}; + use crate::sync::{Mutex, MutexGuard}; pub type JoinHandle = wait_notify::Waiter; @@ -32,6 +32,8 @@ mod task_queue { done: JoinNotifier, } + unsafe impl Send for Task {} + impl Task { pub(super) fn new(p: Box) -> (Task, JoinHandle) { let (done, recv) = wait_notify::new(); @@ -45,18 +47,12 @@ mod task_queue { } } - #[cfg_attr(test, linkage = "available_externally")] - #[export_name = "_ZN16__rust_internals3std3sys3sgx6thread15TASK_QUEUE_INITE"] - static TASK_QUEUE_INIT: Once = Once::new(); #[cfg_attr(test, linkage = "available_externally")] #[export_name = "_ZN16__rust_internals3std3sys3sgx6thread10TASK_QUEUEE"] - static mut TASK_QUEUE: Option>> = None; + static TASK_QUEUE: Mutex> = Mutex::new(Vec::new()); pub(super) fn lock() -> MutexGuard<'static, Vec> { - unsafe { - TASK_QUEUE_INIT.call_once(|| TASK_QUEUE = Some(Default::default())); - TASK_QUEUE.as_ref().unwrap().lock().unwrap() - } + TASK_QUEUE.lock().unwrap() } } From b92501f124894c49aaffeec6649c927138df5049 Mon Sep 17 00:00:00 2001 From: VitalikButerinEth Date: Thu, 30 May 2024 15:54:58 +0800 Subject: [PATCH 0792/1716] chore: fix some comments Signed-off-by: VitalikButerinEth --- tests/ui/double_neg.rs | 2 +- tests/ui/infinite_loops.rs | 2 +- tests/ui/iter_over_hash_type.rs | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/tests/ui/double_neg.rs b/tests/ui/double_neg.rs index da82890443eb..3be8c6288738 100644 --- a/tests/ui/double_neg.rs +++ b/tests/ui/double_neg.rs @@ -5,6 +5,6 @@ fn main() { -x; -(-x); --x; - //~^ ERROR: `--x` could be misinterpreted as pre-decrement by C programmers, is usuall + //~^ ERROR: `--x` could be misinterpreted as pre-decrement by C programmers, is usually //~| NOTE: `-D clippy::double-neg` implied by `-D warnings` } diff --git a/tests/ui/infinite_loops.rs b/tests/ui/infinite_loops.rs index 52fbbaa8e31e..b2d522fa011b 100644 --- a/tests/ui/infinite_loops.rs +++ b/tests/ui/infinite_loops.rs @@ -137,7 +137,7 @@ fn can_break_both_inner_and_outer(cond: bool) { } fn break_wrong_loop(cond: bool) { - // 'inner has statement to break 'outer loop, but it was breaked early by a labeled child loop + // 'inner has statement to break 'outer loop, but it was broken out of early by a labeled child loop 'outer: loop { loop { //~^ ERROR: infinite loop detected diff --git a/tests/ui/iter_over_hash_type.rs b/tests/ui/iter_over_hash_type.rs index 7000c8bf96f8..65bae1df4218 100644 --- a/tests/ui/iter_over_hash_type.rs +++ b/tests/ui/iter_over_hash_type.rs @@ -59,7 +59,7 @@ fn main() { let _ = x; } - // shouldnt fire + // shouldn't fire for x in &vec { let _ = x; } From 1038927b479fb6c7fe8d91be5d605fb85d15479a Mon Sep 17 00:00:00 2001 From: WeiTheShinobi Date: Thu, 30 May 2024 21:43:40 +0800 Subject: [PATCH 0793/1716] fix: add test case, use a better conditional expression. --- clippy_lints/src/non_canonical_impls.rs | 11 +++++------ tests/ui/auxiliary/proc_macro_derive.rs | 3 +-- tests/ui/non_canonical_clone_impl.fixed | 15 +++++++++++++++ tests/ui/non_canonical_clone_impl.rs | 15 +++++++++++++++ tests/ui/non_canonical_clone_impl.stderr | 8 ++++---- 5 files changed, 40 insertions(+), 12 deletions(-) diff --git a/clippy_lints/src/non_canonical_impls.rs b/clippy_lints/src/non_canonical_impls.rs index bbefc74e8d2a..de6a1a36f3e9 100644 --- a/clippy_lints/src/non_canonical_impls.rs +++ b/clippy_lints/src/non_canonical_impls.rs @@ -1,10 +1,11 @@ use clippy_utils::diagnostics::{span_lint_and_sugg, span_lint_and_then}; use clippy_utils::ty::implements_trait; -use clippy_utils::{is_res_lang_ctor, last_path_segment, path_res, std_or_core}; +use clippy_utils::{is_from_proc_macro, is_res_lang_ctor, last_path_segment, path_res, std_or_core}; use rustc_errors::Applicability; use rustc_hir::def_id::LocalDefId; use rustc_hir::{Expr, ExprKind, ImplItem, ImplItemKind, LangItem, Node, UnOp}; -use rustc_lint::{LateContext, LateLintPass}; +use rustc_lint::{LateContext, LateLintPass, LintContext}; +use rustc_middle::lint::in_external_macro; use rustc_middle::ty::EarlyBinder; use rustc_session::declare_lint_pass; use rustc_span::sym; @@ -111,7 +112,7 @@ declare_lint_pass!(NonCanonicalImpls => [NON_CANONICAL_CLONE_IMPL, NON_CANONICAL impl LateLintPass<'_> for NonCanonicalImpls { #[expect(clippy::too_many_lines)] - fn check_impl_item(&mut self, cx: &LateContext<'_>, impl_item: &ImplItem<'_>) { + fn check_impl_item<'tcx>(&mut self, cx: &LateContext<'tcx>, impl_item: &ImplItem<'tcx>) { let Node::Item(item) = cx.tcx.parent_hir_node(impl_item.hir_id()) else { return; }; @@ -128,9 +129,7 @@ impl LateLintPass<'_> for NonCanonicalImpls { let ExprKind::Block(block, ..) = body.value.kind else { return; }; - if let Some(expr) = block.expr - && expr.span.from_expansion() - { + if in_external_macro(cx.sess(), block.span) || is_from_proc_macro(cx, impl_item) { return; } diff --git a/tests/ui/auxiliary/proc_macro_derive.rs b/tests/ui/auxiliary/proc_macro_derive.rs index 36ec31a7873f..4c3df4722690 100644 --- a/tests/ui/auxiliary/proc_macro_derive.rs +++ b/tests/ui/auxiliary/proc_macro_derive.rs @@ -176,8 +176,7 @@ pub fn non_canonical_clone_derive(_: TokenStream) -> TokenStream { struct NonCanonicalClone; impl Clone for NonCanonicalClone { fn clone(&self) -> Self { - let a = *self; - a + todo!() } } impl Copy for NonCanonicalClone {} diff --git a/tests/ui/non_canonical_clone_impl.fixed b/tests/ui/non_canonical_clone_impl.fixed index 26274fe65747..11616f28825b 100644 --- a/tests/ui/non_canonical_clone_impl.fixed +++ b/tests/ui/non_canonical_clone_impl.fixed @@ -3,6 +3,9 @@ #![allow(clippy::assigning_clones)] #![no_main] +extern crate proc_macros; +use proc_macros::with_span; + // lint struct A(u32); @@ -100,3 +103,15 @@ impl Copy for Uwu {} // should skip proc macros, see https://github.com/rust-lang/rust-clippy/issues/12788 #[derive(proc_macro_derive::NonCanonicalClone)] pub struct G; + +with_span!( + span + + #[derive(Copy)] + struct H; + impl Clone for H { + fn clone(&self) -> Self { + todo!() + } + } +); diff --git a/tests/ui/non_canonical_clone_impl.rs b/tests/ui/non_canonical_clone_impl.rs index e2b278ac493b..a36c7ed44c24 100644 --- a/tests/ui/non_canonical_clone_impl.rs +++ b/tests/ui/non_canonical_clone_impl.rs @@ -3,6 +3,9 @@ #![allow(clippy::assigning_clones)] #![no_main] +extern crate proc_macros; +use proc_macros::with_span; + // lint struct A(u32); @@ -110,3 +113,15 @@ impl Copy for Uwu {} // should skip proc macros, see https://github.com/rust-lang/rust-clippy/issues/12788 #[derive(proc_macro_derive::NonCanonicalClone)] pub struct G; + +with_span!( + span + + #[derive(Copy)] + struct H; + impl Clone for H { + fn clone(&self) -> Self { + todo!() + } + } +); diff --git a/tests/ui/non_canonical_clone_impl.stderr b/tests/ui/non_canonical_clone_impl.stderr index 80258ee8c773..f7cad58150f7 100644 --- a/tests/ui/non_canonical_clone_impl.stderr +++ b/tests/ui/non_canonical_clone_impl.stderr @@ -1,5 +1,5 @@ error: non-canonical implementation of `clone` on a `Copy` type - --> tests/ui/non_canonical_clone_impl.rs:11:29 + --> tests/ui/non_canonical_clone_impl.rs:14:29 | LL | fn clone(&self) -> Self { | _____________________________^ @@ -11,7 +11,7 @@ LL | | } = help: to override `-D warnings` add `#[allow(clippy::non_canonical_clone_impl)]` error: unnecessary implementation of `clone_from` on a `Copy` type - --> tests/ui/non_canonical_clone_impl.rs:15:5 + --> tests/ui/non_canonical_clone_impl.rs:18:5 | LL | / fn clone_from(&mut self, source: &Self) { LL | | source.clone(); @@ -20,7 +20,7 @@ LL | | } | |_____^ help: remove it error: non-canonical implementation of `clone` on a `Copy` type - --> tests/ui/non_canonical_clone_impl.rs:82:29 + --> tests/ui/non_canonical_clone_impl.rs:85:29 | LL | fn clone(&self) -> Self { | _____________________________^ @@ -29,7 +29,7 @@ LL | | } | |_____^ help: change this to: `{ *self }` error: unnecessary implementation of `clone_from` on a `Copy` type - --> tests/ui/non_canonical_clone_impl.rs:86:5 + --> tests/ui/non_canonical_clone_impl.rs:89:5 | LL | / fn clone_from(&mut self, source: &Self) { LL | | source.clone(); From 1e3e3df81ef59a4948d1fc3c3511c48ec67ffdf7 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Tue, 21 May 2024 14:53:50 -0400 Subject: [PATCH 0794/1716] rewrite emit test --- tests/run-make/emit/Makefile | 22 ---------------------- tests/run-make/emit/rmake.rs | 19 +++++++++++++++++++ 2 files changed, 19 insertions(+), 22 deletions(-) delete mode 100644 tests/run-make/emit/Makefile create mode 100644 tests/run-make/emit/rmake.rs diff --git a/tests/run-make/emit/Makefile b/tests/run-make/emit/Makefile deleted file mode 100644 index b3ca0b79fb0c..000000000000 --- a/tests/run-make/emit/Makefile +++ /dev/null @@ -1,22 +0,0 @@ -# ignore-cross-compile -include ../tools.mk - -all: - $(RUSTC) -Copt-level=0 --emit=llvm-bc,llvm-ir,asm,obj,link test-24876.rs - $(RUSTC) -Copt-level=1 --emit=llvm-bc,llvm-ir,asm,obj,link test-24876.rs - $(RUSTC) -Copt-level=2 --emit=llvm-bc,llvm-ir,asm,obj,link test-24876.rs - $(RUSTC) -Copt-level=3 --emit=llvm-bc,llvm-ir,asm,obj,link test-24876.rs - $(RUSTC) -Copt-level=s --emit=llvm-bc,llvm-ir,asm,obj,link test-24876.rs - $(RUSTC) -Copt-level=z --emit=llvm-bc,llvm-ir,asm,obj,link test-24876.rs - $(RUSTC) -Copt-level=0 --emit=llvm-bc,llvm-ir,asm,obj,link test-26235.rs - $(call RUN,test-26235) || exit 1 - $(RUSTC) -Copt-level=1 --emit=llvm-bc,llvm-ir,asm,obj,link test-26235.rs - $(call RUN,test-26235) || exit 1 - $(RUSTC) -Copt-level=2 --emit=llvm-bc,llvm-ir,asm,obj,link test-26235.rs - $(call RUN,test-26235) || exit 1 - $(RUSTC) -Copt-level=3 --emit=llvm-bc,llvm-ir,asm,obj,link test-26235.rs - $(call RUN,test-26235) || exit 1 - $(RUSTC) -Copt-level=s --emit=llvm-bc,llvm-ir,asm,obj,link test-26235.rs - $(call RUN,test-26235) || exit 1 - $(RUSTC) -Copt-level=z --emit=llvm-bc,llvm-ir,asm,obj,link test-26235.rs - $(call RUN,test-26235) || exit 1 diff --git a/tests/run-make/emit/rmake.rs b/tests/run-make/emit/rmake.rs new file mode 100644 index 000000000000..d3ccc7fdc27a --- /dev/null +++ b/tests/run-make/emit/rmake.rs @@ -0,0 +1,19 @@ +// A bug from 2015 would cause errors when emitting multiple types of files +// in the same rustc call. A fix was created in #30452. This test checks that +// the fix did not accidentally break compilation. +// See https://github.com/rust-lang/rust/pull/30452 + +//@ ignore-cross-compile + +use run_make_support::{run, rustc}; + +fn main() { + let opt_levels = ["0", "1", "2", "3", "s", "z"]; + for level in opt_levels { + rustc().opt_level(level).emit("llvm-bc,llvm-ir,asm,obj,link").input("test-24876.rs"); + } + for level in opt_levels { + rustc().opt_level(level).emit("llvm-bc,llvm-ir,asm,obj,link").input("test-26235.rs"); + run("test-26235"); + } +} From 5db8552b20e6528c6ae3c9247d5bbab962b564f9 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Tue, 21 May 2024 15:05:51 -0400 Subject: [PATCH 0795/1716] rewrite bare-outfile test --- tests/run-make/bare-outfile/Makefile | 9 --------- tests/run-make/bare-outfile/rmake.rs | 15 +++++++++++++++ 2 files changed, 15 insertions(+), 9 deletions(-) delete mode 100644 tests/run-make/bare-outfile/Makefile create mode 100644 tests/run-make/bare-outfile/rmake.rs diff --git a/tests/run-make/bare-outfile/Makefile b/tests/run-make/bare-outfile/Makefile deleted file mode 100644 index ad6fe4bd167c..000000000000 --- a/tests/run-make/bare-outfile/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -# This test checks that manually setting the output file as a bare file with no file extension still results in successful compilation. - -# ignore-cross-compile -include ../tools.mk - -all: - cp foo.rs $(TMPDIR) - cd $(TMPDIR) && $(RUSTC) -o foo foo.rs - $(call RUN,foo) diff --git a/tests/run-make/bare-outfile/rmake.rs b/tests/run-make/bare-outfile/rmake.rs new file mode 100644 index 000000000000..c2b6347f9689 --- /dev/null +++ b/tests/run-make/bare-outfile/rmake.rs @@ -0,0 +1,15 @@ +// This test checks that manually setting the output file as a bare file with no file extension +// still results in successful compilation. + +//@ ignore-cross-compile + +use run_make_support::{run, rustc, tmp_dir}; +use std::fs; +use std::env; + +fn main(){ + fs::copy("foo.rs", tmp_dir()).unwrap(); + env::set_current_dir(tmp_dir()); + rustc().output("foo").input("foo.rs"); + run("foo"); +} From 836c08ed2109348f1304255b9b90c70ddcb4d844 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Tue, 21 May 2024 15:50:57 -0400 Subject: [PATCH 0796/1716] rewrite mixing-formats test --- tests/run-make/mixing-formats/Makefile | 75 ---------------------- tests/run-make/mixing-formats/rmake.rs | 87 ++++++++++++++++++++++++++ 2 files changed, 87 insertions(+), 75 deletions(-) delete mode 100644 tests/run-make/mixing-formats/Makefile create mode 100644 tests/run-make/mixing-formats/rmake.rs diff --git a/tests/run-make/mixing-formats/Makefile b/tests/run-make/mixing-formats/Makefile deleted file mode 100644 index d01978a15995..000000000000 --- a/tests/run-make/mixing-formats/Makefile +++ /dev/null @@ -1,75 +0,0 @@ -# ignore-cross-compile -include ../tools.mk - -# Testing various mixings of rlibs and dylibs. Makes sure that it's possible to -# link an rlib to a dylib. The dependency tree among the file looks like: -# -# foo -# / \ -# bar1 bar2 -# / \ / -# baz baz2 -# -# This is generally testing the permutations of the foo/bar1/bar2 layer against -# the baz/baz2 layer - -all: - # Building just baz - $(RUSTC) --crate-type=rlib foo.rs - $(RUSTC) --crate-type=dylib bar1.rs -C prefer-dynamic - $(RUSTC) --crate-type=dylib,rlib baz.rs -C prefer-dynamic - $(RUSTC) --crate-type=bin baz.rs - rm $(TMPDIR)/* - $(RUSTC) --crate-type=dylib foo.rs -C prefer-dynamic - $(RUSTC) --crate-type=rlib bar1.rs - $(RUSTC) --crate-type=dylib,rlib baz.rs -C prefer-dynamic - $(RUSTC) --crate-type=bin baz.rs - rm $(TMPDIR)/* - # Building baz2 - $(RUSTC) --crate-type=rlib foo.rs - $(RUSTC) --crate-type=dylib bar1.rs -C prefer-dynamic - $(RUSTC) --crate-type=dylib bar2.rs -C prefer-dynamic - $(RUSTC) --crate-type=dylib baz2.rs && exit 1 || exit 0 - $(RUSTC) --crate-type=bin baz2.rs && exit 1 || exit 0 - rm $(TMPDIR)/* - $(RUSTC) --crate-type=rlib foo.rs - $(RUSTC) --crate-type=rlib bar1.rs - $(RUSTC) --crate-type=dylib bar2.rs -C prefer-dynamic - $(RUSTC) --crate-type=dylib,rlib baz2.rs - $(RUSTC) --crate-type=bin baz2.rs - rm $(TMPDIR)/* - $(RUSTC) --crate-type=rlib foo.rs - $(RUSTC) --crate-type=dylib bar1.rs -C prefer-dynamic - $(RUSTC) --crate-type=rlib bar2.rs - $(RUSTC) --crate-type=dylib,rlib baz2.rs -C prefer-dynamic - $(RUSTC) --crate-type=bin baz2.rs - rm $(TMPDIR)/* - $(RUSTC) --crate-type=rlib foo.rs - $(RUSTC) --crate-type=rlib bar1.rs - $(RUSTC) --crate-type=rlib bar2.rs - $(RUSTC) --crate-type=dylib,rlib baz2.rs -C prefer-dynamic - $(RUSTC) --crate-type=bin baz2.rs - rm $(TMPDIR)/* - $(RUSTC) --crate-type=dylib foo.rs -C prefer-dynamic - $(RUSTC) --crate-type=rlib bar1.rs - $(RUSTC) --crate-type=rlib bar2.rs - $(RUSTC) --crate-type=dylib,rlib baz2.rs -C prefer-dynamic - $(RUSTC) --crate-type=bin baz2.rs - rm $(TMPDIR)/* - $(RUSTC) --crate-type=dylib foo.rs -C prefer-dynamic - $(RUSTC) --crate-type=dylib bar1.rs -C prefer-dynamic - $(RUSTC) --crate-type=rlib bar2.rs - $(RUSTC) --crate-type=dylib,rlib baz2.rs - $(RUSTC) --crate-type=bin baz2.rs - rm $(TMPDIR)/* - $(RUSTC) --crate-type=dylib foo.rs -C prefer-dynamic - $(RUSTC) --crate-type=rlib bar1.rs - $(RUSTC) --crate-type=dylib bar2.rs -C prefer-dynamic - $(RUSTC) --crate-type=dylib,rlib baz2.rs - $(RUSTC) --crate-type=bin baz2.rs - rm $(TMPDIR)/* - $(RUSTC) --crate-type=dylib foo.rs -C prefer-dynamic - $(RUSTC) --crate-type=dylib bar1.rs -C prefer-dynamic - $(RUSTC) --crate-type=dylib bar2.rs -C prefer-dynamic - $(RUSTC) --crate-type=dylib,rlib baz2.rs - $(RUSTC) --crate-type=bin baz2.rs diff --git a/tests/run-make/mixing-formats/rmake.rs b/tests/run-make/mixing-formats/rmake.rs new file mode 100644 index 000000000000..c80951a15975 --- /dev/null +++ b/tests/run-make/mixing-formats/rmake.rs @@ -0,0 +1,87 @@ +// Testing various mixings of rlibs and dylibs. Makes sure that it's possible to +// link an rlib to a dylib. The dependency tree among the file looks like: +// +// foo +// / \ +// bar1 bar2 +// / \ / +// baz baz2 +// +// This is generally testing the permutations of the foo/bar1/bar2 layer against +// the baz/baz2 layer + +//@ ignore-cross-compile + +use run_make_support::{rustc, tmp_dir}; +use std::fs; + +fn main() { + // Building just baz + rustc().crate_type("rlib").input("foo.rs").run(); + rustc().crate_type("dylib").input("bar1.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("dylib,rlib").input("baz.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("bin").input("baz.rs").run(); + fs::remove_dir_all(tmp_dir()).unwrap(); + fs::create_dir(tmp_dir()).unwrap(); + rustc().crate_type("dylib").input("foo.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("rlib").input("bar1.rs").run(); + rustc().crate_type("dylib,rlib").input("baz.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("bin").input("baz.rs").run(); + fs::remove_dir_all(tmp_dir()).unwrap(); + fs::create_dir(tmp_dir()).unwrap(); + // Building baz2 + rustc().crate_type("rlib").input("foo.rs").run(); + rustc().crate_type("dylib").input("bar1.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("dylib").input("bar2.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("dylib").input("baz2.rs").run_fail_assert_exit_code(1); + rustc().crate_type("bin").input("baz2.rs").run_fail_assert_exit_code(1); + fs::remove_dir_all(tmp_dir()).unwrap(); + fs::create_dir(tmp_dir()).unwrap(); + rustc().crate_type("rlib").input("foo.rs").run(); + rustc().crate_type("rlib").input("bar1.rs").run(); + rustc().crate_type("dylib").input("bar2.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("dylib,rlib").input("baz2.rs").run(); + rustc().crate_type("bin").input("baz2.rs").run; + fs::remove_dir_all(tmp_dir()).unwrap(); + fs::create_dir(tmp_dir()).unwrap(); + rustc().crate_type("rlib").input("foo.rs").run(); + rustc().crate_type("dylib").input("bar1.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("rlib").input("bar2.rs").run(); + rustc().crate_type("dylib,rlib").input("baz2.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("bin").input("baz2.rs").run(); + fs::remove_dir_all(tmp_dir()).unwrap(); + fs::create_dir(tmp_dir()).unwrap(); + rustc().crate_type("rlib").input("foo.rs").run(); + rustc().crate_type("rlib").input("bar1.rs").run(); + rustc().crate_type("rlib").input("bar2.rs").run(); + rustc().crate_type("dylib,rlib").input("baz2.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("bin").input("baz2.rs").run(); + fs::remove_dir_all(tmp_dir()).unwrap(); + fs::create_dir(tmp_dir()).unwrap(); + rustc().crate_type("dylib").input("foo.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("rlib").input("bar1.rs").run(); + rustc().crate_type("rlib").input("bar2.rs").run(); + rustc().crate_type("dylib,rlib").input("baz2.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("bin").input("baz2.rs").run(); + fs::remove_dir_all(tmp_dir()).unwrap(); + fs::create_dir(tmp_dir()).unwrap(); + rustc().crate_type("dylib").input("foo.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("dylib").input("bar1.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("rlib").input("bar2.rs").run(); + rustc().crate_type("dylib,rlib").input("baz2.rs").run(); + rustc().crate_type("bin").input("baz2.rs").run(); + fs::remove_dir_all(tmp_dir()).unwrap(); + fs::create_dir(tmp_dir()).unwrap(); + rustc().crate_type("dylib").input("foo.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("rlib").input("bar1.rs").run(); + rustc().crate_type("dylib").input("bar2.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("dylib,rlib").input("baz2.rs").run(); + rustc().crate_type("bin").input("baz2.rs").run(); + fs::remove_dir_all(tmp_dir()).unwrap(); + fs::create_dir(tmp_dir()).unwrap(); + rustc().crate_type("dylib").input("foo.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("dylib").input("bar1.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("dylib").input("bar2.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("dylib,rlib").input("baz2.rs").run(); + rustc().crate_type("bin").input("baz2.rs").run(); +} From 2f4b7dc047eb151d7bb774ac117a91041c912543 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Thu, 30 May 2024 15:07:32 -0400 Subject: [PATCH 0797/1716] Fold item bound before checking that they hold --- .../src/check/compare_impl_item.rs | 29 ++++++- .../defaults-unsound-62211-1.current.stderr | 16 ++-- .../defaults-unsound-62211-1.next.stderr | 86 ++++++++++++++++--- .../defaults-unsound-62211-1.rs | 11 ++- .../defaults-unsound-62211-2.current.stderr | 16 ++-- .../defaults-unsound-62211-2.next.stderr | 86 ++++++++++++++++--- .../defaults-unsound-62211-2.rs | 11 ++- ...malization-for-nested-goals.current.stderr | 6 +- ...normalization-for-nested-goals.next.stderr | 24 ++++++ ...sume-gat-normalization-for-nested-goals.rs | 3 +- ...n-default-items-drop-coherence.next.stderr | 11 +-- ...ialization-default-items-drop-coherence.rs | 2 +- ...cialization-overlap-projection.next.stderr | 27 +----- .../specialization-overlap-projection.rs | 3 - .../next-solver/specialization-transmute.rs | 2 +- .../specialization-transmute.stderr | 11 +-- .../specialization-unconstrained.rs | 2 +- .../specialization-unconstrained.stderr | 11 +-- .../next-solver/unsound-region-obligation.rs | 2 +- .../unsound-region-obligation.stderr | 2 +- 20 files changed, 246 insertions(+), 115 deletions(-) create mode 100644 tests/ui/generic-associated-types/assume-gat-normalization-for-nested-goals.next.stderr diff --git a/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs b/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs index 8928711253cd..db749ef3f81b 100644 --- a/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs +++ b/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs @@ -2026,10 +2026,19 @@ pub(super) fn check_type_bounds<'tcx>( // to its definition type. This should be the param-env we use to *prove* the // predicate too, but we don't do that because of performance issues. // See . + let trait_projection_ty = Ty::new_projection(tcx, trait_ty.def_id, rebased_args); + let impl_identity_ty = tcx.type_of(impl_ty.def_id).instantiate_identity(); let normalize_param_env = param_env_with_gat_bounds(tcx, impl_ty, impl_trait_ref); for mut obligation in util::elaborate(tcx, obligations) { - let normalized_predicate = - ocx.normalize(&normalize_cause, normalize_param_env, obligation.predicate); + let normalized_predicate = if infcx.next_trait_solver() { + obligation.predicate.fold_with(&mut ReplaceTy { + tcx, + from: trait_projection_ty, + to: impl_identity_ty, + }) + } else { + ocx.normalize(&normalize_cause, normalize_param_env, obligation.predicate) + }; debug!("compare_projection_bounds: normalized predicate = {:?}", normalized_predicate); obligation.predicate = normalized_predicate; @@ -2050,6 +2059,22 @@ pub(super) fn check_type_bounds<'tcx>( ocx.resolve_regions_and_report_errors(impl_ty_def_id, &outlives_env) } +struct ReplaceTy<'tcx> { + tcx: TyCtxt<'tcx>, + from: Ty<'tcx>, + to: Ty<'tcx>, +} + +impl<'tcx> TypeFolder> for ReplaceTy<'tcx> { + fn interner(&self) -> TyCtxt<'tcx> { + self.tcx + } + + fn fold_ty(&mut self, ty: Ty<'tcx>) -> Ty<'tcx> { + if self.from == ty { self.to } else { ty.super_fold_with(self) } + } +} + /// Install projection predicates that allow GATs to project to their own /// definition types. This is not allowed in general in cases of default /// associated types in trait definitions, or when specialization is involved, diff --git a/tests/ui/associated-types/defaults-unsound-62211-1.current.stderr b/tests/ui/associated-types/defaults-unsound-62211-1.current.stderr index 9d52e923aded..8b6f0a47aed9 100644 --- a/tests/ui/associated-types/defaults-unsound-62211-1.current.stderr +++ b/tests/ui/associated-types/defaults-unsound-62211-1.current.stderr @@ -1,12 +1,12 @@ error[E0277]: `Self` doesn't implement `std::fmt::Display` - --> $DIR/defaults-unsound-62211-1.rs:26:96 + --> $DIR/defaults-unsound-62211-1.rs:24:96 | LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; | ^^^^ `Self` cannot be formatted with the default formatter | = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead note: required by a bound in `UncheckedCopy::Output` - --> $DIR/defaults-unsound-62211-1.rs:26:86 + --> $DIR/defaults-unsound-62211-1.rs:24:86 | LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; | ^^^^^^^ required by this bound in `UncheckedCopy::Output` @@ -16,13 +16,13 @@ LL | trait UncheckedCopy: Sized + std::fmt::Display { | +++++++++++++++++++ error[E0277]: cannot add-assign `&'static str` to `Self` - --> $DIR/defaults-unsound-62211-1.rs:26:96 + --> $DIR/defaults-unsound-62211-1.rs:24:96 | LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; | ^^^^ no implementation for `Self += &'static str` | note: required by a bound in `UncheckedCopy::Output` - --> $DIR/defaults-unsound-62211-1.rs:26:47 + --> $DIR/defaults-unsound-62211-1.rs:24:47 | LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; | ^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `UncheckedCopy::Output` @@ -32,13 +32,13 @@ LL | trait UncheckedCopy: Sized + AddAssign<&'static str> { | +++++++++++++++++++++++++ error[E0277]: the trait bound `Self: Deref` is not satisfied - --> $DIR/defaults-unsound-62211-1.rs:26:96 + --> $DIR/defaults-unsound-62211-1.rs:24:96 | LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; | ^^^^ the trait `Deref` is not implemented for `Self` | note: required by a bound in `UncheckedCopy::Output` - --> $DIR/defaults-unsound-62211-1.rs:26:25 + --> $DIR/defaults-unsound-62211-1.rs:24:25 | LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; | ^^^^^^^^^^^^^^^^^^^ required by this bound in `UncheckedCopy::Output` @@ -48,13 +48,13 @@ LL | trait UncheckedCopy: Sized + Deref { | +++++++ error[E0277]: the trait bound `Self: Copy` is not satisfied - --> $DIR/defaults-unsound-62211-1.rs:26:96 + --> $DIR/defaults-unsound-62211-1.rs:24:96 | LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; | ^^^^ the trait `Copy` is not implemented for `Self` | note: required by a bound in `UncheckedCopy::Output` - --> $DIR/defaults-unsound-62211-1.rs:26:18 + --> $DIR/defaults-unsound-62211-1.rs:24:18 | LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; | ^^^^ required by this bound in `UncheckedCopy::Output` diff --git a/tests/ui/associated-types/defaults-unsound-62211-1.next.stderr b/tests/ui/associated-types/defaults-unsound-62211-1.next.stderr index ffb02eccc77d..0fc1bb0b00f3 100644 --- a/tests/ui/associated-types/defaults-unsound-62211-1.next.stderr +++ b/tests/ui/associated-types/defaults-unsound-62211-1.next.stderr @@ -1,17 +1,81 @@ -warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing - --> $DIR/defaults-unsound-62211-1.rs:52:5 +error[E0277]: `Self` doesn't implement `std::fmt::Display` + --> $DIR/defaults-unsound-62211-1.rs:24:96 | -LL | drop(origin); - | ^^^^^------^ - | | - | argument has type `::Output` +LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; + | ^^^^ `Self` cannot be formatted with the default formatter | - = note: `#[warn(dropping_copy_types)]` on by default -help: use `let _ = ...` to ignore the expression or result + = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead +note: required by a bound in `UncheckedCopy::Output` + --> $DIR/defaults-unsound-62211-1.rs:24:86 | -LL - drop(origin); -LL + let _ = origin; +LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; + | ^^^^^^^ required by this bound in `UncheckedCopy::Output` +help: consider further restricting `Self` | +LL | trait UncheckedCopy: Sized + std::fmt::Display { + | +++++++++++++++++++ -warning: 1 warning emitted +error[E0277]: cannot add-assign `&'static str` to `Self` + --> $DIR/defaults-unsound-62211-1.rs:24:96 + | +LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; + | ^^^^ no implementation for `Self += &'static str` + | +note: required by a bound in `UncheckedCopy::Output` + --> $DIR/defaults-unsound-62211-1.rs:24:47 + | +LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; + | ^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `UncheckedCopy::Output` +help: consider further restricting `Self` + | +LL | trait UncheckedCopy: Sized + AddAssign<&'static str> { + | +++++++++++++++++++++++++ +error[E0271]: type mismatch resolving `::Target == str` + --> $DIR/defaults-unsound-62211-1.rs:24:96 + | +LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; + | ^^^^ types differ + | +note: required by a bound in `UncheckedCopy::Output` + --> $DIR/defaults-unsound-62211-1.rs:24:31 + | +LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; + | ^^^^^^^^^^^^ required by this bound in `UncheckedCopy::Output` + +error[E0277]: the trait bound `Self: Deref` is not satisfied + --> $DIR/defaults-unsound-62211-1.rs:24:96 + | +LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; + | ^^^^ the trait `Deref` is not implemented for `Self` + | +note: required by a bound in `UncheckedCopy::Output` + --> $DIR/defaults-unsound-62211-1.rs:24:25 + | +LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; + | ^^^^^^^^^^^^^^^^^^^ required by this bound in `UncheckedCopy::Output` +help: consider further restricting `Self` + | +LL | trait UncheckedCopy: Sized + Deref { + | +++++++ + +error[E0277]: the trait bound `Self: Copy` is not satisfied + --> $DIR/defaults-unsound-62211-1.rs:24:96 + | +LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; + | ^^^^ the trait `Copy` is not implemented for `Self` + | +note: required by a bound in `UncheckedCopy::Output` + --> $DIR/defaults-unsound-62211-1.rs:24:18 + | +LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; + | ^^^^ required by this bound in `UncheckedCopy::Output` +help: consider further restricting `Self` + | +LL | trait UncheckedCopy: Sized + Copy { + | ++++++ + +error: aborting due to 5 previous errors + +Some errors have detailed explanations: E0271, E0277. +For more information about an error, try `rustc --explain E0271`. diff --git a/tests/ui/associated-types/defaults-unsound-62211-1.rs b/tests/ui/associated-types/defaults-unsound-62211-1.rs index d9cf5aa97acd..f054611ed780 100644 --- a/tests/ui/associated-types/defaults-unsound-62211-1.rs +++ b/tests/ui/associated-types/defaults-unsound-62211-1.rs @@ -1,8 +1,6 @@ //@ revisions: current next //@[next] compile-flags: -Znext-solver //@ ignore-compare-mode-next-solver (explicit revisions) -//@[next] known-bug: rust-lang/trait-system-refactor-initiative#46 -//@[next] check-pass //! Regression test for https://github.com/rust-lang/rust/issues/62211 //! @@ -24,10 +22,11 @@ trait UncheckedCopy: Sized { // This Output is said to be Copy. Yet we default to Self // and it's accepted, not knowing if Self ineed is Copy type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; - //[current]~^ ERROR the trait bound `Self: Copy` is not satisfied - //[current]~| ERROR the trait bound `Self: Deref` is not satisfied - //[current]~| ERROR cannot add-assign `&'static str` to `Self` - //[current]~| ERROR `Self` doesn't implement `std::fmt::Display` + //~^ ERROR the trait bound `Self: Copy` is not satisfied + //~| ERROR the trait bound `Self: Deref` is not satisfied + //~| ERROR cannot add-assign `&'static str` to `Self` + //~| ERROR `Self` doesn't implement `std::fmt::Display` + //[next]~| ERROR type mismatch resolving `::Target == str` // We said the Output type was Copy, so we can Copy it freely! fn unchecked_copy(other: &Self::Output) -> Self::Output { diff --git a/tests/ui/associated-types/defaults-unsound-62211-2.current.stderr b/tests/ui/associated-types/defaults-unsound-62211-2.current.stderr index 4fd2ca6408a1..7552b0891333 100644 --- a/tests/ui/associated-types/defaults-unsound-62211-2.current.stderr +++ b/tests/ui/associated-types/defaults-unsound-62211-2.current.stderr @@ -1,12 +1,12 @@ error[E0277]: `Self` doesn't implement `std::fmt::Display` - --> $DIR/defaults-unsound-62211-2.rs:26:96 + --> $DIR/defaults-unsound-62211-2.rs:24:96 | LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; | ^^^^ `Self` cannot be formatted with the default formatter | = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead note: required by a bound in `UncheckedCopy::Output` - --> $DIR/defaults-unsound-62211-2.rs:26:86 + --> $DIR/defaults-unsound-62211-2.rs:24:86 | LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; | ^^^^^^^ required by this bound in `UncheckedCopy::Output` @@ -16,13 +16,13 @@ LL | trait UncheckedCopy: Sized + std::fmt::Display { | +++++++++++++++++++ error[E0277]: cannot add-assign `&'static str` to `Self` - --> $DIR/defaults-unsound-62211-2.rs:26:96 + --> $DIR/defaults-unsound-62211-2.rs:24:96 | LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; | ^^^^ no implementation for `Self += &'static str` | note: required by a bound in `UncheckedCopy::Output` - --> $DIR/defaults-unsound-62211-2.rs:26:47 + --> $DIR/defaults-unsound-62211-2.rs:24:47 | LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; | ^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `UncheckedCopy::Output` @@ -32,13 +32,13 @@ LL | trait UncheckedCopy: Sized + AddAssign<&'static str> { | +++++++++++++++++++++++++ error[E0277]: the trait bound `Self: Deref` is not satisfied - --> $DIR/defaults-unsound-62211-2.rs:26:96 + --> $DIR/defaults-unsound-62211-2.rs:24:96 | LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; | ^^^^ the trait `Deref` is not implemented for `Self` | note: required by a bound in `UncheckedCopy::Output` - --> $DIR/defaults-unsound-62211-2.rs:26:25 + --> $DIR/defaults-unsound-62211-2.rs:24:25 | LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; | ^^^^^^^^^^^^^^^^^^^ required by this bound in `UncheckedCopy::Output` @@ -48,13 +48,13 @@ LL | trait UncheckedCopy: Sized + Deref { | +++++++ error[E0277]: the trait bound `Self: Copy` is not satisfied - --> $DIR/defaults-unsound-62211-2.rs:26:96 + --> $DIR/defaults-unsound-62211-2.rs:24:96 | LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; | ^^^^ the trait `Copy` is not implemented for `Self` | note: required by a bound in `UncheckedCopy::Output` - --> $DIR/defaults-unsound-62211-2.rs:26:18 + --> $DIR/defaults-unsound-62211-2.rs:24:18 | LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; | ^^^^ required by this bound in `UncheckedCopy::Output` diff --git a/tests/ui/associated-types/defaults-unsound-62211-2.next.stderr b/tests/ui/associated-types/defaults-unsound-62211-2.next.stderr index e6ae8183e77d..751352d7c16d 100644 --- a/tests/ui/associated-types/defaults-unsound-62211-2.next.stderr +++ b/tests/ui/associated-types/defaults-unsound-62211-2.next.stderr @@ -1,17 +1,81 @@ -warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing - --> $DIR/defaults-unsound-62211-2.rs:52:5 +error[E0277]: `Self` doesn't implement `std::fmt::Display` + --> $DIR/defaults-unsound-62211-2.rs:24:96 | -LL | drop(origin); - | ^^^^^------^ - | | - | argument has type `::Output` +LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; + | ^^^^ `Self` cannot be formatted with the default formatter | - = note: `#[warn(dropping_copy_types)]` on by default -help: use `let _ = ...` to ignore the expression or result + = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead +note: required by a bound in `UncheckedCopy::Output` + --> $DIR/defaults-unsound-62211-2.rs:24:86 | -LL - drop(origin); -LL + let _ = origin; +LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; + | ^^^^^^^ required by this bound in `UncheckedCopy::Output` +help: consider further restricting `Self` | +LL | trait UncheckedCopy: Sized + std::fmt::Display { + | +++++++++++++++++++ -warning: 1 warning emitted +error[E0277]: cannot add-assign `&'static str` to `Self` + --> $DIR/defaults-unsound-62211-2.rs:24:96 + | +LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; + | ^^^^ no implementation for `Self += &'static str` + | +note: required by a bound in `UncheckedCopy::Output` + --> $DIR/defaults-unsound-62211-2.rs:24:47 + | +LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; + | ^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `UncheckedCopy::Output` +help: consider further restricting `Self` + | +LL | trait UncheckedCopy: Sized + AddAssign<&'static str> { + | +++++++++++++++++++++++++ +error[E0271]: type mismatch resolving `::Target == str` + --> $DIR/defaults-unsound-62211-2.rs:24:96 + | +LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; + | ^^^^ types differ + | +note: required by a bound in `UncheckedCopy::Output` + --> $DIR/defaults-unsound-62211-2.rs:24:31 + | +LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; + | ^^^^^^^^^^^^ required by this bound in `UncheckedCopy::Output` + +error[E0277]: the trait bound `Self: Deref` is not satisfied + --> $DIR/defaults-unsound-62211-2.rs:24:96 + | +LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; + | ^^^^ the trait `Deref` is not implemented for `Self` + | +note: required by a bound in `UncheckedCopy::Output` + --> $DIR/defaults-unsound-62211-2.rs:24:25 + | +LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; + | ^^^^^^^^^^^^^^^^^^^ required by this bound in `UncheckedCopy::Output` +help: consider further restricting `Self` + | +LL | trait UncheckedCopy: Sized + Deref { + | +++++++ + +error[E0277]: the trait bound `Self: Copy` is not satisfied + --> $DIR/defaults-unsound-62211-2.rs:24:96 + | +LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; + | ^^^^ the trait `Copy` is not implemented for `Self` + | +note: required by a bound in `UncheckedCopy::Output` + --> $DIR/defaults-unsound-62211-2.rs:24:18 + | +LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; + | ^^^^ required by this bound in `UncheckedCopy::Output` +help: consider further restricting `Self` + | +LL | trait UncheckedCopy: Sized + Copy { + | ++++++ + +error: aborting due to 5 previous errors + +Some errors have detailed explanations: E0271, E0277. +For more information about an error, try `rustc --explain E0271`. diff --git a/tests/ui/associated-types/defaults-unsound-62211-2.rs b/tests/ui/associated-types/defaults-unsound-62211-2.rs index 6cbac1bf2364..956f14df0d54 100644 --- a/tests/ui/associated-types/defaults-unsound-62211-2.rs +++ b/tests/ui/associated-types/defaults-unsound-62211-2.rs @@ -1,8 +1,6 @@ //@ revisions: current next //@[next] compile-flags: -Znext-solver //@ ignore-compare-mode-next-solver (explicit revisions) -//@[next] known-bug: rust-lang/trait-system-refactor-initiative#46 -//@[next] check-pass //! Regression test for https://github.com/rust-lang/rust/issues/62211 //! @@ -24,10 +22,11 @@ trait UncheckedCopy: Sized { // This Output is said to be Copy. Yet we default to Self // and it's accepted, not knowing if Self ineed is Copy type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; - //[current]~^ ERROR the trait bound `Self: Copy` is not satisfied - //[current]~| ERROR the trait bound `Self: Deref` is not satisfied - //[current]~| ERROR cannot add-assign `&'static str` to `Self` - //[current]~| ERROR `Self` doesn't implement `std::fmt::Display` + //~^ ERROR the trait bound `Self: Copy` is not satisfied + //~| ERROR the trait bound `Self: Deref` is not satisfied + //~| ERROR cannot add-assign `&'static str` to `Self` + //~| ERROR `Self` doesn't implement `std::fmt::Display` + //[next]~| ERROR type mismatch resolving `::Target == str` // We said the Output type was Copy, so we can Copy it freely! fn unchecked_copy(other: &Self::Output) -> Self::Output { diff --git a/tests/ui/generic-associated-types/assume-gat-normalization-for-nested-goals.current.stderr b/tests/ui/generic-associated-types/assume-gat-normalization-for-nested-goals.current.stderr index 2097115af009..c5c4f2c4d231 100644 --- a/tests/ui/generic-associated-types/assume-gat-normalization-for-nested-goals.current.stderr +++ b/tests/ui/generic-associated-types/assume-gat-normalization-for-nested-goals.current.stderr @@ -1,16 +1,16 @@ error[E0277]: the trait bound `::Bar<()>: Eq` is not satisfied - --> $DIR/assume-gat-normalization-for-nested-goals.rs:10:30 + --> $DIR/assume-gat-normalization-for-nested-goals.rs:9:30 | LL | type Bar: Baz = i32; | ^^^ the trait `Eq` is not implemented for `::Bar<()>`, which is required by `i32: Baz` | note: required for `i32` to implement `Baz` - --> $DIR/assume-gat-normalization-for-nested-goals.rs:17:23 + --> $DIR/assume-gat-normalization-for-nested-goals.rs:16:23 | LL | impl Baz for i32 where T::Bar<()>: Eq {} | ^^^^^^ ^^^ ------- unsatisfied trait bound introduced here note: required by a bound in `Foo::Bar` - --> $DIR/assume-gat-normalization-for-nested-goals.rs:10:18 + --> $DIR/assume-gat-normalization-for-nested-goals.rs:9:18 | LL | type Bar: Baz = i32; | ^^^^^^^^^ required by this bound in `Foo::Bar` diff --git a/tests/ui/generic-associated-types/assume-gat-normalization-for-nested-goals.next.stderr b/tests/ui/generic-associated-types/assume-gat-normalization-for-nested-goals.next.stderr new file mode 100644 index 000000000000..2c372b6c3a78 --- /dev/null +++ b/tests/ui/generic-associated-types/assume-gat-normalization-for-nested-goals.next.stderr @@ -0,0 +1,24 @@ +error[E0277]: the trait bound `i32: Baz` is not satisfied + --> $DIR/assume-gat-normalization-for-nested-goals.rs:9:30 + | +LL | type Bar: Baz = i32; + | ^^^ the trait `Eq` is not implemented for `i32`, which is required by `i32: Baz` + | +note: required for `i32` to implement `Baz` + --> $DIR/assume-gat-normalization-for-nested-goals.rs:16:23 + | +LL | impl Baz for i32 where T::Bar<()>: Eq {} + | ^^^^^^ ^^^ ------- unsatisfied trait bound introduced here +note: required by a bound in `Foo::Bar` + --> $DIR/assume-gat-normalization-for-nested-goals.rs:9:18 + | +LL | type Bar: Baz = i32; + | ^^^^^^^^^ required by this bound in `Foo::Bar` +help: consider further restricting the associated type + | +LL | trait Foo where ::Bar<()>: Eq { + | +++++++++++++++++++++++++++++++++++++ + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/generic-associated-types/assume-gat-normalization-for-nested-goals.rs b/tests/ui/generic-associated-types/assume-gat-normalization-for-nested-goals.rs index 56b50594e523..4050b6fc4258 100644 --- a/tests/ui/generic-associated-types/assume-gat-normalization-for-nested-goals.rs +++ b/tests/ui/generic-associated-types/assume-gat-normalization-for-nested-goals.rs @@ -1,8 +1,7 @@ //@ revisions: current next //@[next] compile-flags: -Znext-solver //@ ignore-compare-mode-next-solver (explicit revisions) -//@[current] known-bug: #117606 -//@[next] check-pass +//@ known-bug: #117606 #![feature(associated_type_defaults)] diff --git a/tests/ui/specialization/specialization-default-items-drop-coherence.next.stderr b/tests/ui/specialization/specialization-default-items-drop-coherence.next.stderr index 78d77a78e0ee..e9498a003179 100644 --- a/tests/ui/specialization/specialization-default-items-drop-coherence.next.stderr +++ b/tests/ui/specialization/specialization-default-items-drop-coherence.next.stderr @@ -7,13 +7,6 @@ LL | impl Overlap for u32 { LL | impl Overlap for ::Id { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `u32` -error[E0282]: type annotations needed - --> $DIR/specialization-default-items-drop-coherence.rs:18:23 - | -LL | default type Id = T; - | ^ cannot infer type for associated type `::Id` +error: aborting due to 1 previous error -error: aborting due to 2 previous errors - -Some errors have detailed explanations: E0119, E0282. -For more information about an error, try `rustc --explain E0119`. +For more information about this error, try `rustc --explain E0119`. diff --git a/tests/ui/specialization/specialization-default-items-drop-coherence.rs b/tests/ui/specialization/specialization-default-items-drop-coherence.rs index fad041f2ee10..6dc012776391 100644 --- a/tests/ui/specialization/specialization-default-items-drop-coherence.rs +++ b/tests/ui/specialization/specialization-default-items-drop-coherence.rs @@ -15,7 +15,7 @@ trait Default { } impl Default for T { - default type Id = T; //[next]~ ERROR type annotations needed + default type Id = T; } trait Overlap { diff --git a/tests/ui/specialization/specialization-overlap-projection.next.stderr b/tests/ui/specialization/specialization-overlap-projection.next.stderr index ab040193fa4c..5b17696162ed 100644 --- a/tests/ui/specialization/specialization-overlap-projection.next.stderr +++ b/tests/ui/specialization/specialization-overlap-projection.next.stderr @@ -9,7 +9,7 @@ LL | #![feature(specialization)] = note: `#[warn(incomplete_features)]` on by default error[E0119]: conflicting implementations of trait `Foo` for type `u32` - --> $DIR/specialization-overlap-projection.rs:28:1 + --> $DIR/specialization-overlap-projection.rs:25:1 | LL | impl Foo for u32 {} | ---------------- first implementation here @@ -17,7 +17,7 @@ LL | impl Foo for ::Output {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `u32` error[E0119]: conflicting implementations of trait `Foo` for type `u32` - --> $DIR/specialization-overlap-projection.rs:30:1 + --> $DIR/specialization-overlap-projection.rs:27:1 | LL | impl Foo for u32 {} | ---------------- first implementation here @@ -25,25 +25,6 @@ LL | impl Foo for u32 {} LL | impl Foo for ::Output {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `u32` -error[E0282]: type annotations needed - --> $DIR/specialization-overlap-projection.rs:17:27 - | -LL | default type Output = bool; - | ^^^^ cannot infer type for associated type `::Output` +error: aborting due to 2 previous errors; 1 warning emitted -error[E0282]: type annotations needed - --> $DIR/specialization-overlap-projection.rs:21:35 - | -LL | impl Assoc for u8 { type Output = u8; } - | ^^ cannot infer type for associated type `::Output` - -error[E0282]: type annotations needed - --> $DIR/specialization-overlap-projection.rs:23:36 - | -LL | impl Assoc for u16 { type Output = u16; } - | ^^^ cannot infer type for associated type `::Output` - -error: aborting due to 5 previous errors; 1 warning emitted - -Some errors have detailed explanations: E0119, E0282. -For more information about an error, try `rustc --explain E0119`. +For more information about this error, try `rustc --explain E0119`. diff --git a/tests/ui/specialization/specialization-overlap-projection.rs b/tests/ui/specialization/specialization-overlap-projection.rs index 78e75f623c4b..16dccf82dcb9 100644 --- a/tests/ui/specialization/specialization-overlap-projection.rs +++ b/tests/ui/specialization/specialization-overlap-projection.rs @@ -15,13 +15,10 @@ trait Assoc { impl Assoc for T { default type Output = bool; - //[next]~^ ERROR type annotations needed } impl Assoc for u8 { type Output = u8; } -//[next]~^ ERROR type annotations needed impl Assoc for u16 { type Output = u16; } -//[next]~^ ERROR type annotations needed trait Foo {} impl Foo for u32 {} diff --git a/tests/ui/traits/next-solver/specialization-transmute.rs b/tests/ui/traits/next-solver/specialization-transmute.rs index caa3bfc552eb..9e31fed9b180 100644 --- a/tests/ui/traits/next-solver/specialization-transmute.rs +++ b/tests/ui/traits/next-solver/specialization-transmute.rs @@ -10,7 +10,7 @@ trait Default { } impl Default for T { - default type Id = T; //~ ERROR type annotations needed + default type Id = T; // This will be fixed by #111994 fn intu(&self) -> &Self::Id { //~^ ERROR type annotations needed diff --git a/tests/ui/traits/next-solver/specialization-transmute.stderr b/tests/ui/traits/next-solver/specialization-transmute.stderr index 76ae08fdb7a7..524522bef098 100644 --- a/tests/ui/traits/next-solver/specialization-transmute.stderr +++ b/tests/ui/traits/next-solver/specialization-transmute.stderr @@ -34,13 +34,6 @@ note: required by a bound in `transmute` LL | fn transmute, U: Copy>(t: T) -> U { | ^^^^^^ required by this bound in `transmute` -error[E0282]: type annotations needed - --> $DIR/specialization-transmute.rs:13:23 - | -LL | default type Id = T; - | ^ cannot infer type for associated type `::Id` +error: aborting due to 4 previous errors; 1 warning emitted -error: aborting due to 5 previous errors; 1 warning emitted - -Some errors have detailed explanations: E0282, E0284. -For more information about an error, try `rustc --explain E0282`. +For more information about this error, try `rustc --explain E0284`. diff --git a/tests/ui/traits/next-solver/specialization-unconstrained.rs b/tests/ui/traits/next-solver/specialization-unconstrained.rs index f4046fba20b2..e44246a1262a 100644 --- a/tests/ui/traits/next-solver/specialization-unconstrained.rs +++ b/tests/ui/traits/next-solver/specialization-unconstrained.rs @@ -11,7 +11,7 @@ trait Default { } impl Default for T { - default type Id = T; //~ ERROR type annotations needed + default type Id = T; } fn test, U>() {} diff --git a/tests/ui/traits/next-solver/specialization-unconstrained.stderr b/tests/ui/traits/next-solver/specialization-unconstrained.stderr index 68232aacc0c5..a6f6a4f260d4 100644 --- a/tests/ui/traits/next-solver/specialization-unconstrained.stderr +++ b/tests/ui/traits/next-solver/specialization-unconstrained.stderr @@ -20,13 +20,6 @@ note: required by a bound in `test` LL | fn test, U>() {} | ^^^^^^ required by this bound in `test` -error[E0282]: type annotations needed - --> $DIR/specialization-unconstrained.rs:14:22 - | -LL | default type Id = T; - | ^ cannot infer type for associated type `::Id` +error: aborting due to 1 previous error; 1 warning emitted -error: aborting due to 2 previous errors; 1 warning emitted - -Some errors have detailed explanations: E0282, E0284. -For more information about an error, try `rustc --explain E0282`. +For more information about this error, try `rustc --explain E0284`. diff --git a/tests/ui/traits/next-solver/unsound-region-obligation.rs b/tests/ui/traits/next-solver/unsound-region-obligation.rs index 32a510d16543..733be2043548 100644 --- a/tests/ui/traits/next-solver/unsound-region-obligation.rs +++ b/tests/ui/traits/next-solver/unsound-region-obligation.rs @@ -1,4 +1,4 @@ -//~ ERROR the type `<() as StaticTy>::Item<'a>` does not fulfill the required lifetime +//~ ERROR the type `&'a ()` does not fulfill the required lifetime //@ compile-flags: -Znext-solver // Regression test for rust-lang/trait-system-refactor-initiative#59 diff --git a/tests/ui/traits/next-solver/unsound-region-obligation.stderr b/tests/ui/traits/next-solver/unsound-region-obligation.stderr index 518de7ea3e02..fe96a184f430 100644 --- a/tests/ui/traits/next-solver/unsound-region-obligation.stderr +++ b/tests/ui/traits/next-solver/unsound-region-obligation.stderr @@ -1,4 +1,4 @@ -error[E0477]: the type `<() as StaticTy>::Item<'a>` does not fulfill the required lifetime +error[E0477]: the type `&'a ()` does not fulfill the required lifetime | = note: type must satisfy the static lifetime From 5c68eb3facbd5dcde1c05d4c5a37cc845f504759 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Thu, 30 May 2024 15:52:17 -0400 Subject: [PATCH 0798/1716] Add a bunch of tests --- ...rr => defaults-suitability.current.stderr} | 34 ++--- .../defaults-suitability.next.stderr | 142 ++++++++++++++++++ .../associated-types/defaults-suitability.rs | 3 + ...4108.stderr => issue-54108.current.stderr} | 4 +- .../associated-types/issue-54108.next.stderr | 33 ++++ tests/ui/associated-types/issue-54108.rs | 5 + ...3593.stderr => issue-63593.current.stderr} | 4 +- .../associated-types/issue-63593.next.stderr | 19 +++ tests/ui/associated-types/issue-63593.rs | 4 + ...4816.stderr => issue-74816.current.stderr} | 8 +- .../issue-74816.next.stderr | 35 +++++ .../generic-associated-types/issue-74816.rs | 4 + ...4824.stderr => issue-74824.current.stderr} | 8 +- .../issue-74824.next.stderr | 33 ++++ .../generic-associated-types/issue-74824.rs | 4 + 15 files changed, 311 insertions(+), 29 deletions(-) rename tests/ui/associated-types/{defaults-suitability.stderr => defaults-suitability.current.stderr} (88%) create mode 100644 tests/ui/associated-types/defaults-suitability.next.stderr rename tests/ui/associated-types/{issue-54108.stderr => issue-54108.current.stderr} (93%) create mode 100644 tests/ui/associated-types/issue-54108.next.stderr rename tests/ui/associated-types/{issue-63593.stderr => issue-63593.current.stderr} (89%) create mode 100644 tests/ui/associated-types/issue-63593.next.stderr rename tests/ui/generic-associated-types/{issue-74816.stderr => issue-74816.current.stderr} (89%) create mode 100644 tests/ui/generic-associated-types/issue-74816.next.stderr rename tests/ui/generic-associated-types/{issue-74824.stderr => issue-74824.current.stderr} (90%) create mode 100644 tests/ui/generic-associated-types/issue-74824.next.stderr diff --git a/tests/ui/associated-types/defaults-suitability.stderr b/tests/ui/associated-types/defaults-suitability.current.stderr similarity index 88% rename from tests/ui/associated-types/defaults-suitability.stderr rename to tests/ui/associated-types/defaults-suitability.current.stderr index 82b35a486378..3cdeaa93a340 100644 --- a/tests/ui/associated-types/defaults-suitability.stderr +++ b/tests/ui/associated-types/defaults-suitability.current.stderr @@ -1,11 +1,11 @@ error[E0277]: the trait bound `NotClone: Clone` is not satisfied - --> $DIR/defaults-suitability.rs:13:22 + --> $DIR/defaults-suitability.rs:16:22 | LL | type Ty: Clone = NotClone; | ^^^^^^^^ the trait `Clone` is not implemented for `NotClone` | note: required by a bound in `Tr::Ty` - --> $DIR/defaults-suitability.rs:13:14 + --> $DIR/defaults-suitability.rs:16:14 | LL | type Ty: Clone = NotClone; | ^^^^^ required by this bound in `Tr::Ty` @@ -16,13 +16,13 @@ LL | struct NotClone; | error[E0277]: the trait bound `NotClone: Clone` is not satisfied - --> $DIR/defaults-suitability.rs:22:15 + --> $DIR/defaults-suitability.rs:25:15 | LL | type Ty = NotClone; | ^^^^^^^^ the trait `Clone` is not implemented for `NotClone` | note: required by a bound in `Tr2::Ty` - --> $DIR/defaults-suitability.rs:20:15 + --> $DIR/defaults-suitability.rs:23:15 | LL | Self::Ty: Clone, | ^^^^^ required by this bound in `Tr2::Ty` @@ -36,14 +36,14 @@ LL | struct NotClone; | error[E0277]: the trait bound `T: Clone` is not satisfied - --> $DIR/defaults-suitability.rs:28:23 + --> $DIR/defaults-suitability.rs:31:23 | LL | type Bar: Clone = Vec; | ^^^^^^ the trait `Clone` is not implemented for `T`, which is required by `Vec: Clone` | = note: required for `Vec` to implement `Clone` note: required by a bound in `Foo::Bar` - --> $DIR/defaults-suitability.rs:28:15 + --> $DIR/defaults-suitability.rs:31:15 | LL | type Bar: Clone = Vec; | ^^^^^ required by this bound in `Foo::Bar` @@ -53,30 +53,30 @@ LL | trait Foo { | +++++++++++++++++++ error[E0277]: the trait bound `(): Foo` is not satisfied - --> $DIR/defaults-suitability.rs:34:29 + --> $DIR/defaults-suitability.rs:37:29 | LL | type Assoc: Foo = (); | ^^ the trait `Foo` is not implemented for `()` | help: this trait has no implementations, consider adding one - --> $DIR/defaults-suitability.rs:27:1 + --> $DIR/defaults-suitability.rs:30:1 | LL | trait Foo { | ^^^^^^^^^^^^ note: required by a bound in `Bar::Assoc` - --> $DIR/defaults-suitability.rs:34:17 + --> $DIR/defaults-suitability.rs:37:17 | LL | type Assoc: Foo = (); | ^^^^^^^^^ required by this bound in `Bar::Assoc` error[E0277]: the trait bound `NotClone: IsU8` is not satisfied - --> $DIR/defaults-suitability.rs:56:18 + --> $DIR/defaults-suitability.rs:59:18 | LL | type Assoc = NotClone; | ^^^^^^^^ the trait `IsU8` is not implemented for `NotClone` | note: required by a bound in `D::Assoc` - --> $DIR/defaults-suitability.rs:53:18 + --> $DIR/defaults-suitability.rs:56:18 | LL | Self::Assoc: IsU8, | ^^^^^^^^^^^^^^^^^ required by this bound in `D::Assoc` @@ -85,14 +85,14 @@ LL | type Assoc = NotClone; | ----- required by a bound in this associated type error[E0277]: the trait bound `>::Baz: Clone` is not satisfied - --> $DIR/defaults-suitability.rs:65:23 + --> $DIR/defaults-suitability.rs:68:23 | LL | type Bar: Clone = Vec; | ^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `>::Baz`, which is required by `Vec<>::Baz>: Clone` | = note: required for `Vec<>::Baz>` to implement `Clone` note: required by a bound in `Foo2::Bar` - --> $DIR/defaults-suitability.rs:65:15 + --> $DIR/defaults-suitability.rs:68:15 | LL | type Bar: Clone = Vec; | ^^^^^ required by this bound in `Foo2::Bar` @@ -102,14 +102,14 @@ LL | trait Foo2 where >::Baz: Clone { | +++++++++++++++++++++++++++++++++++ error[E0277]: the trait bound `>::Baz: Clone` is not satisfied - --> $DIR/defaults-suitability.rs:74:23 + --> $DIR/defaults-suitability.rs:77:23 | LL | type Bar: Clone = Vec; | ^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `>::Baz`, which is required by `Vec<>::Baz>: Clone` | = note: required for `Vec<>::Baz>` to implement `Clone` note: required by a bound in `Foo25::Bar` - --> $DIR/defaults-suitability.rs:74:15 + --> $DIR/defaults-suitability.rs:77:15 | LL | type Bar: Clone = Vec; | ^^^^^ required by this bound in `Foo25::Bar` @@ -119,13 +119,13 @@ LL | trait Foo25 where >::Baz: Clone { | ++++++++++++++++++++++++++++++++++++ error[E0277]: the trait bound `T: Clone` is not satisfied - --> $DIR/defaults-suitability.rs:87:16 + --> $DIR/defaults-suitability.rs:90:16 | LL | type Baz = T; | ^ the trait `Clone` is not implemented for `T` | note: required by a bound in `Foo3::Baz` - --> $DIR/defaults-suitability.rs:84:16 + --> $DIR/defaults-suitability.rs:87:16 | LL | Self::Baz: Clone, | ^^^^^ required by this bound in `Foo3::Baz` diff --git a/tests/ui/associated-types/defaults-suitability.next.stderr b/tests/ui/associated-types/defaults-suitability.next.stderr new file mode 100644 index 000000000000..3cdeaa93a340 --- /dev/null +++ b/tests/ui/associated-types/defaults-suitability.next.stderr @@ -0,0 +1,142 @@ +error[E0277]: the trait bound `NotClone: Clone` is not satisfied + --> $DIR/defaults-suitability.rs:16:22 + | +LL | type Ty: Clone = NotClone; + | ^^^^^^^^ the trait `Clone` is not implemented for `NotClone` + | +note: required by a bound in `Tr::Ty` + --> $DIR/defaults-suitability.rs:16:14 + | +LL | type Ty: Clone = NotClone; + | ^^^^^ required by this bound in `Tr::Ty` +help: consider annotating `NotClone` with `#[derive(Clone)]` + | +LL + #[derive(Clone)] +LL | struct NotClone; + | + +error[E0277]: the trait bound `NotClone: Clone` is not satisfied + --> $DIR/defaults-suitability.rs:25:15 + | +LL | type Ty = NotClone; + | ^^^^^^^^ the trait `Clone` is not implemented for `NotClone` + | +note: required by a bound in `Tr2::Ty` + --> $DIR/defaults-suitability.rs:23:15 + | +LL | Self::Ty: Clone, + | ^^^^^ required by this bound in `Tr2::Ty` +LL | { +LL | type Ty = NotClone; + | -- required by a bound in this associated type +help: consider annotating `NotClone` with `#[derive(Clone)]` + | +LL + #[derive(Clone)] +LL | struct NotClone; + | + +error[E0277]: the trait bound `T: Clone` is not satisfied + --> $DIR/defaults-suitability.rs:31:23 + | +LL | type Bar: Clone = Vec; + | ^^^^^^ the trait `Clone` is not implemented for `T`, which is required by `Vec: Clone` + | + = note: required for `Vec` to implement `Clone` +note: required by a bound in `Foo::Bar` + --> $DIR/defaults-suitability.rs:31:15 + | +LL | type Bar: Clone = Vec; + | ^^^^^ required by this bound in `Foo::Bar` +help: consider restricting type parameter `T` + | +LL | trait Foo { + | +++++++++++++++++++ + +error[E0277]: the trait bound `(): Foo` is not satisfied + --> $DIR/defaults-suitability.rs:37:29 + | +LL | type Assoc: Foo = (); + | ^^ the trait `Foo` is not implemented for `()` + | +help: this trait has no implementations, consider adding one + --> $DIR/defaults-suitability.rs:30:1 + | +LL | trait Foo { + | ^^^^^^^^^^^^ +note: required by a bound in `Bar::Assoc` + --> $DIR/defaults-suitability.rs:37:17 + | +LL | type Assoc: Foo = (); + | ^^^^^^^^^ required by this bound in `Bar::Assoc` + +error[E0277]: the trait bound `NotClone: IsU8` is not satisfied + --> $DIR/defaults-suitability.rs:59:18 + | +LL | type Assoc = NotClone; + | ^^^^^^^^ the trait `IsU8` is not implemented for `NotClone` + | +note: required by a bound in `D::Assoc` + --> $DIR/defaults-suitability.rs:56:18 + | +LL | Self::Assoc: IsU8, + | ^^^^^^^^^^^^^^^^^ required by this bound in `D::Assoc` +... +LL | type Assoc = NotClone; + | ----- required by a bound in this associated type + +error[E0277]: the trait bound `>::Baz: Clone` is not satisfied + --> $DIR/defaults-suitability.rs:68:23 + | +LL | type Bar: Clone = Vec; + | ^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `>::Baz`, which is required by `Vec<>::Baz>: Clone` + | + = note: required for `Vec<>::Baz>` to implement `Clone` +note: required by a bound in `Foo2::Bar` + --> $DIR/defaults-suitability.rs:68:15 + | +LL | type Bar: Clone = Vec; + | ^^^^^ required by this bound in `Foo2::Bar` +help: consider further restricting the associated type + | +LL | trait Foo2 where >::Baz: Clone { + | +++++++++++++++++++++++++++++++++++ + +error[E0277]: the trait bound `>::Baz: Clone` is not satisfied + --> $DIR/defaults-suitability.rs:77:23 + | +LL | type Bar: Clone = Vec; + | ^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `>::Baz`, which is required by `Vec<>::Baz>: Clone` + | + = note: required for `Vec<>::Baz>` to implement `Clone` +note: required by a bound in `Foo25::Bar` + --> $DIR/defaults-suitability.rs:77:15 + | +LL | type Bar: Clone = Vec; + | ^^^^^ required by this bound in `Foo25::Bar` +help: consider further restricting the associated type + | +LL | trait Foo25 where >::Baz: Clone { + | ++++++++++++++++++++++++++++++++++++ + +error[E0277]: the trait bound `T: Clone` is not satisfied + --> $DIR/defaults-suitability.rs:90:16 + | +LL | type Baz = T; + | ^ the trait `Clone` is not implemented for `T` + | +note: required by a bound in `Foo3::Baz` + --> $DIR/defaults-suitability.rs:87:16 + | +LL | Self::Baz: Clone, + | ^^^^^ required by this bound in `Foo3::Baz` +... +LL | type Baz = T; + | --- required by a bound in this associated type +help: consider further restricting type parameter `T` + | +LL | Self::Baz: Clone, T: std::clone::Clone + | ~~~~~~~~~~~~~~~~~~~~~~ + +error: aborting due to 8 previous errors + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/associated-types/defaults-suitability.rs b/tests/ui/associated-types/defaults-suitability.rs index 504c957d9875..bab2f004ac75 100644 --- a/tests/ui/associated-types/defaults-suitability.rs +++ b/tests/ui/associated-types/defaults-suitability.rs @@ -1,3 +1,6 @@ +//@ revisions: current next +//@ ignore-compare-mode-next-solver (explicit revisions) +//@[next] compile-flags: -Znext-solver //! Checks that associated type defaults are properly validated. //! //! This means: diff --git a/tests/ui/associated-types/issue-54108.stderr b/tests/ui/associated-types/issue-54108.current.stderr similarity index 93% rename from tests/ui/associated-types/issue-54108.stderr rename to tests/ui/associated-types/issue-54108.current.stderr index f300208fcc87..8850b4548e33 100644 --- a/tests/ui/associated-types/issue-54108.stderr +++ b/tests/ui/associated-types/issue-54108.current.stderr @@ -1,12 +1,12 @@ error[E0277]: cannot add `::ActualSize` to `::ActualSize` - --> $DIR/issue-54108.rs:19:17 + --> $DIR/issue-54108.rs:23:17 | LL | type Size = ::ActualSize; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `::ActualSize + ::ActualSize` | = help: the trait `Add` is not implemented for `::ActualSize` note: required by a bound in `Encoder::Size` - --> $DIR/issue-54108.rs:4:16 + --> $DIR/issue-54108.rs:8:16 | LL | type Size: Add; | ^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Encoder::Size` diff --git a/tests/ui/associated-types/issue-54108.next.stderr b/tests/ui/associated-types/issue-54108.next.stderr new file mode 100644 index 000000000000..9f6f00e7ca8f --- /dev/null +++ b/tests/ui/associated-types/issue-54108.next.stderr @@ -0,0 +1,33 @@ +error[E0271]: type mismatch resolving `<::ActualSize as Add>::Output == ::ActualSize` + --> $DIR/issue-54108.rs:23:17 + | +LL | type Size = ::ActualSize; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ + | +note: required by a bound in `Encoder::Size` + --> $DIR/issue-54108.rs:8:20 + | +LL | type Size: Add; + | ^^^^^^^^^^^^^^^^^^^ required by this bound in `Encoder::Size` + +error[E0277]: cannot add `::ActualSize` to `::ActualSize` + --> $DIR/issue-54108.rs:23:17 + | +LL | type Size = ::ActualSize; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `::ActualSize + ::ActualSize` + | + = help: the trait `Add` is not implemented for `::ActualSize` +note: required by a bound in `Encoder::Size` + --> $DIR/issue-54108.rs:8:16 + | +LL | type Size: Add; + | ^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Encoder::Size` +help: consider further restricting the associated type + | +LL | T: SubEncoder, ::ActualSize: Add + | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +error: aborting due to 2 previous errors + +Some errors have detailed explanations: E0271, E0277. +For more information about an error, try `rustc --explain E0271`. diff --git a/tests/ui/associated-types/issue-54108.rs b/tests/ui/associated-types/issue-54108.rs index 87f67ce4b527..7c652fd7f49b 100644 --- a/tests/ui/associated-types/issue-54108.rs +++ b/tests/ui/associated-types/issue-54108.rs @@ -1,3 +1,7 @@ +//@ revisions: current next +//@ ignore-compare-mode-next-solver (explicit revisions) +//@[next] compile-flags: -Znext-solver + use std::ops::Add; pub trait Encoder { @@ -18,6 +22,7 @@ where { type Size = ::ActualSize; //~^ ERROR: cannot add `::ActualSize` to `::ActualSize` + //[next]~| ERROR type mismatch resolving `<::ActualSize as Add>::Output == ::ActualSize` fn foo(&self) -> Self::Size { self.bar() + self.bar() diff --git a/tests/ui/associated-types/issue-63593.stderr b/tests/ui/associated-types/issue-63593.current.stderr similarity index 89% rename from tests/ui/associated-types/issue-63593.stderr rename to tests/ui/associated-types/issue-63593.current.stderr index 67151431a67a..76fdefeb4e52 100644 --- a/tests/ui/associated-types/issue-63593.stderr +++ b/tests/ui/associated-types/issue-63593.current.stderr @@ -1,11 +1,11 @@ error[E0277]: the size for values of type `Self` cannot be known at compilation time - --> $DIR/issue-63593.rs:9:17 + --> $DIR/issue-63593.rs:13:17 | LL | type This = Self; | ^^^^ doesn't have a size known at compile-time | note: required by a bound in `MyTrait::This` - --> $DIR/issue-63593.rs:9:5 + --> $DIR/issue-63593.rs:13:5 | LL | type This = Self; | ^^^^^^^^^^^^^^^^^ required by this bound in `MyTrait::This` diff --git a/tests/ui/associated-types/issue-63593.next.stderr b/tests/ui/associated-types/issue-63593.next.stderr new file mode 100644 index 000000000000..76fdefeb4e52 --- /dev/null +++ b/tests/ui/associated-types/issue-63593.next.stderr @@ -0,0 +1,19 @@ +error[E0277]: the size for values of type `Self` cannot be known at compilation time + --> $DIR/issue-63593.rs:13:17 + | +LL | type This = Self; + | ^^^^ doesn't have a size known at compile-time + | +note: required by a bound in `MyTrait::This` + --> $DIR/issue-63593.rs:13:5 + | +LL | type This = Self; + | ^^^^^^^^^^^^^^^^^ required by this bound in `MyTrait::This` +help: consider further restricting `Self` + | +LL | trait MyTrait: Sized { + | +++++++ + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/associated-types/issue-63593.rs b/tests/ui/associated-types/issue-63593.rs index 8dbc24c06732..dea81f729b4e 100644 --- a/tests/ui/associated-types/issue-63593.rs +++ b/tests/ui/associated-types/issue-63593.rs @@ -1,3 +1,7 @@ +//@ revisions: current next +//@ ignore-compare-mode-next-solver (explicit revisions) +//@[next] compile-flags: -Znext-solver + #![feature(associated_type_defaults)] // Tests that `Self` is not assumed to implement `Sized` when used as an diff --git a/tests/ui/generic-associated-types/issue-74816.stderr b/tests/ui/generic-associated-types/issue-74816.current.stderr similarity index 89% rename from tests/ui/generic-associated-types/issue-74816.stderr rename to tests/ui/generic-associated-types/issue-74816.current.stderr index 45018e6976cf..335486c6538c 100644 --- a/tests/ui/generic-associated-types/issue-74816.stderr +++ b/tests/ui/generic-associated-types/issue-74816.current.stderr @@ -1,11 +1,11 @@ error[E0277]: the trait bound `Self: Trait1` is not satisfied - --> $DIR/issue-74816.rs:8:31 + --> $DIR/issue-74816.rs:12:31 | LL | type Associated: Trait1 = Self; | ^^^^ the trait `Trait1` is not implemented for `Self` | note: required by a bound in `Trait2::Associated` - --> $DIR/issue-74816.rs:8:22 + --> $DIR/issue-74816.rs:12:22 | LL | type Associated: Trait1 = Self; | ^^^^^^ required by this bound in `Trait2::Associated` @@ -15,13 +15,13 @@ LL | trait Trait2: Trait1 { | ++++++++ error[E0277]: the size for values of type `Self` cannot be known at compilation time - --> $DIR/issue-74816.rs:8:31 + --> $DIR/issue-74816.rs:12:31 | LL | type Associated: Trait1 = Self; | ^^^^ doesn't have a size known at compile-time | note: required by a bound in `Trait2::Associated` - --> $DIR/issue-74816.rs:8:5 + --> $DIR/issue-74816.rs:12:5 | LL | type Associated: Trait1 = Self; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Trait2::Associated` diff --git a/tests/ui/generic-associated-types/issue-74816.next.stderr b/tests/ui/generic-associated-types/issue-74816.next.stderr new file mode 100644 index 000000000000..335486c6538c --- /dev/null +++ b/tests/ui/generic-associated-types/issue-74816.next.stderr @@ -0,0 +1,35 @@ +error[E0277]: the trait bound `Self: Trait1` is not satisfied + --> $DIR/issue-74816.rs:12:31 + | +LL | type Associated: Trait1 = Self; + | ^^^^ the trait `Trait1` is not implemented for `Self` + | +note: required by a bound in `Trait2::Associated` + --> $DIR/issue-74816.rs:12:22 + | +LL | type Associated: Trait1 = Self; + | ^^^^^^ required by this bound in `Trait2::Associated` +help: consider further restricting `Self` + | +LL | trait Trait2: Trait1 { + | ++++++++ + +error[E0277]: the size for values of type `Self` cannot be known at compilation time + --> $DIR/issue-74816.rs:12:31 + | +LL | type Associated: Trait1 = Self; + | ^^^^ doesn't have a size known at compile-time + | +note: required by a bound in `Trait2::Associated` + --> $DIR/issue-74816.rs:12:5 + | +LL | type Associated: Trait1 = Self; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Trait2::Associated` +help: consider further restricting `Self` + | +LL | trait Trait2: Sized { + | +++++++ + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/generic-associated-types/issue-74816.rs b/tests/ui/generic-associated-types/issue-74816.rs index 344afb87f99c..e2f4ddc7485c 100644 --- a/tests/ui/generic-associated-types/issue-74816.rs +++ b/tests/ui/generic-associated-types/issue-74816.rs @@ -1,3 +1,7 @@ +//@ revisions: current next +//@ ignore-compare-mode-next-solver (explicit revisions) +//@[next] compile-flags: -Znext-solver + #![feature(associated_type_defaults)] trait Trait1 { diff --git a/tests/ui/generic-associated-types/issue-74824.stderr b/tests/ui/generic-associated-types/issue-74824.current.stderr similarity index 90% rename from tests/ui/generic-associated-types/issue-74824.stderr rename to tests/ui/generic-associated-types/issue-74824.current.stderr index 942d9583be1b..b06c7f127ac0 100644 --- a/tests/ui/generic-associated-types/issue-74824.stderr +++ b/tests/ui/generic-associated-types/issue-74824.current.stderr @@ -1,17 +1,17 @@ error[E0277]: the trait bound `Box: Copy` is not satisfied - --> $DIR/issue-74824.rs:6:26 + --> $DIR/issue-74824.rs:10:26 | LL | type Copy: Copy = Box; | ^^^^^^ the trait `Copy` is not implemented for `Box` | note: required by a bound in `UnsafeCopy::Copy` - --> $DIR/issue-74824.rs:6:19 + --> $DIR/issue-74824.rs:10:19 | LL | type Copy: Copy = Box; | ^^^^ required by this bound in `UnsafeCopy::Copy` error[E0277]: the trait bound `T: Clone` is not satisfied - --> $DIR/issue-74824.rs:6:26 + --> $DIR/issue-74824.rs:10:26 | LL | type Copy: Copy = Box; | ^^^^^^ the trait `Clone` is not implemented for `T`, which is required by `::Copy: Copy` @@ -19,7 +19,7 @@ LL | type Copy: Copy = Box; = note: required for `Box` to implement `Clone` = note: required for `::Copy` to implement `Copy` note: required by a bound in `UnsafeCopy::Copy` - --> $DIR/issue-74824.rs:6:19 + --> $DIR/issue-74824.rs:10:19 | LL | type Copy: Copy = Box; | ^^^^ required by this bound in `UnsafeCopy::Copy` diff --git a/tests/ui/generic-associated-types/issue-74824.next.stderr b/tests/ui/generic-associated-types/issue-74824.next.stderr new file mode 100644 index 000000000000..b06c7f127ac0 --- /dev/null +++ b/tests/ui/generic-associated-types/issue-74824.next.stderr @@ -0,0 +1,33 @@ +error[E0277]: the trait bound `Box: Copy` is not satisfied + --> $DIR/issue-74824.rs:10:26 + | +LL | type Copy: Copy = Box; + | ^^^^^^ the trait `Copy` is not implemented for `Box` + | +note: required by a bound in `UnsafeCopy::Copy` + --> $DIR/issue-74824.rs:10:19 + | +LL | type Copy: Copy = Box; + | ^^^^ required by this bound in `UnsafeCopy::Copy` + +error[E0277]: the trait bound `T: Clone` is not satisfied + --> $DIR/issue-74824.rs:10:26 + | +LL | type Copy: Copy = Box; + | ^^^^^^ the trait `Clone` is not implemented for `T`, which is required by `::Copy: Copy` + | + = note: required for `Box` to implement `Clone` + = note: required for `::Copy` to implement `Copy` +note: required by a bound in `UnsafeCopy::Copy` + --> $DIR/issue-74824.rs:10:19 + | +LL | type Copy: Copy = Box; + | ^^^^ required by this bound in `UnsafeCopy::Copy` +help: consider restricting type parameter `T` + | +LL | type Copy: Copy = Box; + | +++++++++++++++++++ + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/generic-associated-types/issue-74824.rs b/tests/ui/generic-associated-types/issue-74824.rs index 10c45d133642..7cfb862abed0 100644 --- a/tests/ui/generic-associated-types/issue-74824.rs +++ b/tests/ui/generic-associated-types/issue-74824.rs @@ -1,3 +1,7 @@ +//@ revisions: current next +//@ ignore-compare-mode-next-solver (explicit revisions) +//@[next] compile-flags: -Znext-solver + #![feature(associated_type_defaults)] use std::ops::Deref; From 34c56c45cff1d0029dafd7d19c524975292382af Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Le=C3=B3n=20Orell=20Valerian=20Liehr?= Date: Mon, 27 May 2024 23:53:46 +0200 Subject: [PATCH 0799/1716] Rename HIR `TypeBinding` to `AssocItemConstraint` and related cleanup --- compiler/rustc_ast/src/ast.rs | 43 +++-- compiler/rustc_ast/src/mut_visit.rs | 14 +- compiler/rustc_ast/src/visit.rs | 17 +- compiler/rustc_ast_lowering/src/index.rs | 8 +- compiler/rustc_ast_lowering/src/lib.rs | 51 +++-- compiler/rustc_ast_lowering/src/path.rs | 31 +-- .../rustc_ast_passes/src/ast_validation.rs | 16 +- compiler/rustc_ast_passes/src/feature_gate.rs | 32 ++-- compiler/rustc_ast_passes/src/node_count.rs | 4 +- compiler/rustc_ast_pretty/src/pprust/state.rs | 8 +- .../src/diagnostics/region_name.rs | 12 +- .../src/error_codes/E0229.md | 13 +- compiler/rustc_hir/src/hir.rs | 178 +++++++++++------- compiler/rustc_hir/src/intravisit.rs | 27 +-- compiler/rustc_hir_analysis/messages.ftl | 8 +- .../src/collect/resolve_bound_vars.rs | 33 ++-- .../rustc_hir_analysis/src/collect/type_of.rs | 5 +- compiler/rustc_hir_analysis/src/errors.rs | 4 +- .../src/hir_ty_lowering/bounds.rs | 78 ++++---- .../src/hir_ty_lowering/errors.rs | 98 +++++----- .../src/hir_ty_lowering/generics.rs | 30 +-- .../src/hir_ty_lowering/lint.rs | 10 +- .../src/hir_ty_lowering/mod.rs | 75 ++++---- .../wrong_number_of_generic_args.rs | 12 +- compiler/rustc_hir_pretty/src/lib.rs | 26 +-- .../src/fn_ctxt/suggestions.rs | 14 +- compiler/rustc_middle/src/hir/map/mod.rs | 4 +- compiler/rustc_parse/src/parser/path.rs | 33 ++-- compiler/rustc_passes/src/hir_stats.rs | 8 +- compiler/rustc_resolve/src/late.rs | 6 +- .../rustc_resolve/src/late/diagnostics.rs | 6 +- .../src/traits/error_reporting/suggestions.rs | 12 +- src/librustdoc/clean/auto_trait.rs | 4 +- src/librustdoc/clean/blanket_impl.rs | 4 +- src/librustdoc/clean/inline.rs | 6 +- src/librustdoc/clean/mod.rs | 79 ++++---- src/librustdoc/clean/simplify.rs | 6 +- src/librustdoc/clean/types.rs | 47 +++-- src/librustdoc/clean/utils.rs | 25 +-- src/librustdoc/html/format.rs | 16 +- src/librustdoc/html/render/search_index.rs | 46 ++--- src/librustdoc/json/conversions.rs | 22 +-- .../src/implied_bounds_in_impls.rs | 54 +++--- src/tools/clippy/clippy_lints/src/len_zero.rs | 17 +- .../clippy_lints/src/manual_async_fn.rs | 10 +- .../clippy/clippy_utils/src/ast_utils.rs | 6 +- .../clippy/clippy_utils/src/hir_utils.rs | 8 +- src/tools/rustfmt/src/types.rs | 12 +- tests/rustdoc-ui/invalid_associated_const.rs | 4 +- .../invalid_associated_const.stderr | 12 +- tests/rustdoc-ui/issue-102467.rs | 4 +- tests/rustdoc-ui/issue-102467.stderr | 12 +- .../associated-consts/issue-102335-const.rs | 4 +- .../issue-102335-const.stderr | 12 +- .../associated-type-bounds/issue-102335-ty.rs | 8 +- .../issue-102335-ty.stderr | 24 +-- .../associated-type-bounds/no-gat-position.rs | 2 +- .../no-gat-position.stderr | 4 +- .../associated-types/associated-types-eq-2.rs | 24 +-- .../associated-types-eq-2.stderr | 64 +++---- .../associated-types-eq-expr-path.rs | 4 +- .../associated-types-eq-expr-path.stderr | 6 +- .../rtn-in-impl-signature.rs | 2 +- .../rtn-in-impl-signature.stderr | 4 +- .../issue-89013-no-kw.rs | 2 +- .../issue-89013-no-kw.stderr | 4 +- .../parser-error-recovery/issue-89013.rs | 2 +- .../parser-error-recovery/issue-89013.stderr | 4 +- tests/ui/error-codes/E0229.rs | 8 +- tests/ui/error-codes/E0229.stderr | 50 ++--- ...ture-gate-unboxed-closures-manual-impls.rs | 2 +- ...-gate-unboxed-closures-manual-impls.stderr | 4 +- tests/ui/fn/issue-39259.rs | 2 +- tests/ui/fn/issue-39259.stderr | 4 +- .../issue-102335-gat.rs | 4 +- .../issue-102335-gat.stderr | 12 +- tests/ui/issues/issue-23543.rs | 2 +- tests/ui/issues/issue-23543.stderr | 4 +- tests/ui/issues/issue-23544.rs | 2 +- tests/ui/issues/issue-23544.stderr | 4 +- tests/ui/issues/issue-24682.rs | 6 +- tests/ui/issues/issue-24682.stderr | 12 +- tests/ui/issues/issue-39687.rs | 2 +- tests/ui/issues/issue-39687.stderr | 4 +- tests/ui/issues/issue-43431.rs | 2 +- tests/ui/issues/issue-43431.stderr | 4 +- ...invalid-associated-type-supertrait-hrtb.rs | 2 +- ...lid-associated-type-supertrait-hrtb.stderr | 6 +- tests/ui/lifetimes/issue-95023.rs | 2 +- tests/ui/lifetimes/issue-95023.stderr | 4 +- tests/ui/methods/method-call-type-binding.rs | 2 +- .../methods/method-call-type-binding.stderr | 4 +- tests/ui/suggestions/issue-85347.rs | 8 +- tests/ui/suggestions/issue-85347.stderr | 12 +- ...type-ascription-instead-of-path-in-type.rs | 2 +- ...-ascription-instead-of-path-in-type.stderr | 4 +- tests/ui/traits/issue-87558.rs | 2 +- tests/ui/traits/issue-87558.stderr | 4 +- .../bad_const_generics_args_on_const_param.rs | 2 +- ..._const_generics_args_on_const_param.stderr | 4 +- tests/ui/typeck/escaping_bound_vars.rs | 2 +- tests/ui/typeck/escaping_bound_vars.stderr | 4 +- tests/ui/typeck/issue-83693.rs | 4 +- tests/ui/typeck/issue-83693.stderr | 8 +- tests/ui/typeck/issue-84768.rs | 2 +- tests/ui/typeck/issue-84768.stderr | 4 +- tests/ui/typeck/issue-91267.rs | 2 +- tests/ui/typeck/issue-91267.stderr | 4 +- 108 files changed, 878 insertions(+), 818 deletions(-) diff --git a/compiler/rustc_ast/src/ast.rs b/compiler/rustc_ast/src/ast.rs index 1a166956075c..8e801ebc2f91 100644 --- a/compiler/rustc_ast/src/ast.rs +++ b/compiler/rustc_ast/src/ast.rs @@ -167,7 +167,7 @@ impl PathSegment { } } -/// The arguments of a path segment. +/// The generic arguments and associated item constraints of a path segment. /// /// E.g., `` as in `Foo` or `(A, B)` as in `Foo(A, B)`. #[derive(Clone, Encodable, Decodable, Debug)] @@ -221,14 +221,13 @@ pub struct AngleBracketedArgs { pub args: ThinVec, } -/// Either an argument for a parameter e.g., `'a`, `Vec`, `0`, -/// or a constraint on an associated item, e.g., `Item = String` or `Item: Bound`. +/// Either an argument for a generic parameter or a constraint on an associated item. #[derive(Clone, Encodable, Decodable, Debug)] pub enum AngleBracketedArg { - /// Argument for a generic parameter. + /// A generic argument for a generic parameter. Arg(GenericArg), - /// Constraint for an associated item. - Constraint(AssocConstraint), + /// A constraint on an associated item. + Constraint(AssocItemConstraint), } impl AngleBracketedArg { @@ -418,7 +417,7 @@ impl Default for WhereClause { /// A single predicate in a where-clause. #[derive(Clone, Encodable, Decodable, Debug)] pub enum WherePredicate { - /// A type binding (e.g., `for<'c> Foo: Send + Clone + 'c`). + /// A type bound (e.g., `for<'c> Foo: Send + Clone + 'c`). BoundPredicate(WhereBoundPredicate), /// A lifetime predicate (e.g., `'a: 'b + 'c`). RegionPredicate(WhereRegionPredicate), @@ -2034,18 +2033,25 @@ impl UintTy { } } -/// A constraint on an associated type (e.g., `A = Bar` in `Foo` or -/// `A: TraitA + TraitB` in `Foo`). +/// A constraint on an associated item. +/// +/// ### Examples +/// +/// * the `A = Ty` and `B = Ty` in `Trait` +/// * the `G = Ty` in `Trait = Ty>` +/// * the `A: Bound` in `Trait` +/// * the `RetTy` in `Trait(ArgTy, ArgTy) -> RetTy` +/// * the `C = { Ct }` in `Trait` (feature `associated_const_equality`) +/// * the `f(): Bound` in `Trait` (feature `return_type_notation`) #[derive(Clone, Encodable, Decodable, Debug)] -pub struct AssocConstraint { +pub struct AssocItemConstraint { pub id: NodeId, pub ident: Ident, pub gen_args: Option, - pub kind: AssocConstraintKind, + pub kind: AssocItemConstraintKind, pub span: Span, } -/// The kinds of an `AssocConstraint`. #[derive(Clone, Encodable, Decodable, Debug)] pub enum Term { Ty(P), @@ -2064,12 +2070,17 @@ impl From for Term { } } -/// The kinds of an `AssocConstraint`. +/// The kind of [associated item constraint][AssocItemConstraint]. #[derive(Clone, Encodable, Decodable, Debug)] -pub enum AssocConstraintKind { - /// E.g., `A = Bar`, `A = 3` in `Foo` where A is an associated type. +pub enum AssocItemConstraintKind { + /// An equality constraint for an associated item (e.g., `AssocTy = Ty` in `Trait`). + /// + /// Also known as an *associated item binding* (we *bind* an associated item to a term). + /// + /// Furthermore, associated type equality constraints can also be referred to as *associated type + /// bindings*. Similarly with associated const equality constraints and *associated const bindings*. Equality { term: Term }, - /// E.g. `A: TraitA + TraitB` in `Foo`. + /// A bound on an associated type (e.g., `AssocTy: Bound` in `Trait`). Bound { bounds: GenericBounds }, } diff --git a/compiler/rustc_ast/src/mut_visit.rs b/compiler/rustc_ast/src/mut_visit.rs index 566b20c490ef..635f0f034503 100644 --- a/compiler/rustc_ast/src/mut_visit.rs +++ b/compiler/rustc_ast/src/mut_visit.rs @@ -175,8 +175,8 @@ pub trait MutVisitor: Sized { noop_visit_lifetime(l, self); } - fn visit_constraint(&mut self, t: &mut AssocConstraint) { - noop_visit_constraint(t, self); + fn visit_assoc_item_constraint(&mut self, c: &mut AssocItemConstraint) { + noop_visit_assoc_item_constraint(c, self); } fn visit_foreign_mod(&mut self, nm: &mut ForeignMod) { @@ -463,8 +463,8 @@ pub fn noop_flat_map_arm(mut arm: Arm, vis: &mut T) -> SmallVec<[ smallvec![arm] } -fn noop_visit_constraint( - AssocConstraint { id, ident, gen_args, kind, span }: &mut AssocConstraint, +fn noop_visit_assoc_item_constraint( + AssocItemConstraint { id, ident, gen_args, kind, span }: &mut AssocItemConstraint, vis: &mut T, ) { vis.visit_id(id); @@ -473,11 +473,11 @@ fn noop_visit_constraint( vis.visit_generic_args(gen_args); } match kind { - AssocConstraintKind::Equality { term } => match term { + AssocItemConstraintKind::Equality { term } => match term { Term::Ty(ty) => vis.visit_ty(ty), Term::Const(c) => vis.visit_anon_const(c), }, - AssocConstraintKind::Bound { bounds } => visit_bounds(bounds, vis), + AssocItemConstraintKind::Bound { bounds } => visit_bounds(bounds, vis), } vis.visit_span(span); } @@ -607,7 +607,7 @@ fn noop_visit_angle_bracketed_parameter_data( let AngleBracketedArgs { args, span } = data; visit_thin_vec(args, |arg| match arg { AngleBracketedArg::Arg(arg) => vis.visit_generic_arg(arg), - AngleBracketedArg::Constraint(constraint) => vis.visit_constraint(constraint), + AngleBracketedArg::Constraint(constraint) => vis.visit_assoc_item_constraint(constraint), }); vis.visit_span(span); } diff --git a/compiler/rustc_ast/src/visit.rs b/compiler/rustc_ast/src/visit.rs index 93de42b55cc3..e5ce9419e16e 100644 --- a/compiler/rustc_ast/src/visit.rs +++ b/compiler/rustc_ast/src/visit.rs @@ -246,8 +246,11 @@ pub trait Visitor<'ast>: Sized { fn visit_generic_arg(&mut self, generic_arg: &'ast GenericArg) -> Self::Result { walk_generic_arg(self, generic_arg) } - fn visit_assoc_constraint(&mut self, constraint: &'ast AssocConstraint) -> Self::Result { - walk_assoc_constraint(self, constraint) + fn visit_assoc_item_constraint( + &mut self, + constraint: &'ast AssocItemConstraint, + ) -> Self::Result { + walk_assoc_item_constraint(self, constraint) } fn visit_attribute(&mut self, attr: &'ast Attribute) -> Self::Result { walk_attribute(self, attr) @@ -558,7 +561,7 @@ where match arg { AngleBracketedArg::Arg(a) => try_visit!(visitor.visit_generic_arg(a)), AngleBracketedArg::Constraint(c) => { - try_visit!(visitor.visit_assoc_constraint(c)) + try_visit!(visitor.visit_assoc_item_constraint(c)) } } } @@ -582,18 +585,18 @@ where } } -pub fn walk_assoc_constraint<'a, V: Visitor<'a>>( +pub fn walk_assoc_item_constraint<'a, V: Visitor<'a>>( visitor: &mut V, - constraint: &'a AssocConstraint, + constraint: &'a AssocItemConstraint, ) -> V::Result { try_visit!(visitor.visit_ident(constraint.ident)); visit_opt!(visitor, visit_generic_args, &constraint.gen_args); match &constraint.kind { - AssocConstraintKind::Equality { term } => match term { + AssocItemConstraintKind::Equality { term } => match term { Term::Ty(ty) => try_visit!(visitor.visit_ty(ty)), Term::Const(c) => try_visit!(visitor.visit_anon_const(c)), }, - AssocConstraintKind::Bound { bounds } => { + AssocItemConstraintKind::Bound { bounds } => { walk_list!(visitor, visit_param_bound, bounds, BoundKind::Bound); } } diff --git a/compiler/rustc_ast_lowering/src/index.rs b/compiler/rustc_ast_lowering/src/index.rs index 7254be2b2f42..44f37b5533a6 100644 --- a/compiler/rustc_ast_lowering/src/index.rs +++ b/compiler/rustc_ast_lowering/src/index.rs @@ -333,10 +333,10 @@ impl<'a, 'hir> Visitor<'hir> for NodeCollector<'a, 'hir> { }); } - fn visit_assoc_type_binding(&mut self, type_binding: &'hir TypeBinding<'hir>) { - self.insert(type_binding.span, type_binding.hir_id, Node::TypeBinding(type_binding)); - self.with_parent(type_binding.hir_id, |this| { - intravisit::walk_assoc_type_binding(this, type_binding) + fn visit_assoc_item_constraint(&mut self, constraint: &'hir AssocItemConstraint<'hir>) { + self.insert(constraint.span, constraint.hir_id, Node::AssocItemConstraint(constraint)); + self.with_parent(constraint.hir_id, |this| { + intravisit::walk_assoc_item_constraint(this, constraint) }) } diff --git a/compiler/rustc_ast_lowering/src/lib.rs b/compiler/rustc_ast_lowering/src/lib.rs index a9af5ad74592..201dffb629a1 100644 --- a/compiler/rustc_ast_lowering/src/lib.rs +++ b/compiler/rustc_ast_lowering/src/lib.rs @@ -961,24 +961,15 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { DelimArgs { dspan: args.dspan, delim: args.delim, tokens: args.tokens.flattened() } } - /// Given an associated type constraint like one of these: - /// - /// ```ignore (illustrative) - /// T: Iterator - /// ^^^^^^^^^^^ - /// T: Iterator - /// ^^^^^^^^^^^^ - /// ``` - /// - /// returns a `hir::TypeBinding` representing `Item`. - #[instrument(level = "debug", skip(self))] - fn lower_assoc_ty_constraint( + /// Lower an associated item constraint. + #[instrument(level = "debug", skip_all)] + fn lower_assoc_item_constraint( &mut self, - constraint: &AssocConstraint, + constraint: &AssocItemConstraint, itctx: ImplTraitContext, - ) -> hir::TypeBinding<'hir> { - debug!("lower_assoc_ty_constraint(constraint={:?}, itctx={:?})", constraint, itctx); - // lower generic arguments of identifier in constraint + ) -> hir::AssocItemConstraint<'hir> { + debug!(?constraint, ?itctx); + // Lower the generic arguments for the associated item. let gen_args = if let Some(gen_args) = &constraint.gen_args { let gen_args_ctor = match gen_args { GenericArgs::AngleBracketed(data) => { @@ -994,7 +985,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { }; GenericArgsCtor { args: Default::default(), - bindings: &[], + constraints: &[], parenthesized, span: data.inputs_span, } @@ -1024,7 +1015,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { err.emit(); GenericArgsCtor { args: Default::default(), - bindings: &[], + constraints: &[], parenthesized: hir::GenericArgsParentheses::ReturnTypeNotation, span: data.span, } @@ -1046,14 +1037,14 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { self.arena.alloc(hir::GenericArgs::none()) }; let kind = match &constraint.kind { - AssocConstraintKind::Equality { term } => { + AssocItemConstraintKind::Equality { term } => { let term = match term { Term::Ty(ty) => self.lower_ty(ty, itctx).into(), Term::Const(c) => self.lower_anon_const(c).into(), }; - hir::TypeBindingKind::Equality { term } + hir::AssocItemConstraintKind::Equality { term } } - AssocConstraintKind::Bound { bounds } => { + AssocItemConstraintKind::Bound { bounds } => { // Disallow ATB in dyn types if self.is_in_dyn_type { let suggestion = match itctx { @@ -1077,18 +1068,18 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { }); let err_ty = &*self.arena.alloc(self.ty(constraint.span, hir::TyKind::Err(guar))); - hir::TypeBindingKind::Equality { term: err_ty.into() } + hir::AssocItemConstraintKind::Equality { term: err_ty.into() } } else { - // Desugar `AssocTy: Bounds` into a type binding where the + // Desugar `AssocTy: Bounds` into an assoc type binding where the // later desugars into a trait predicate. let bounds = self.lower_param_bounds(bounds, itctx); - hir::TypeBindingKind::Constraint { bounds } + hir::AssocItemConstraintKind::Bound { bounds } } } }; - hir::TypeBinding { + hir::AssocItemConstraint { hir_id: self.lower_node_id(constraint.id), ident: self.lower_ident(constraint.ident), gen_args, @@ -2008,7 +1999,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { let bound_args = self.arena.alloc(hir::GenericArgs { args: &[], - bindings: arena_vec![self; self.assoc_ty_binding(assoc_ty_name, opaque_ty_span, output_ty)], + constraints: arena_vec![self; self.assoc_ty_binding(assoc_ty_name, opaque_ty_span, output_ty)], parenthesized: hir::GenericArgsParentheses::No, span_ext: DUMMY_SP, }); @@ -2581,10 +2572,10 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { } } -/// Helper struct for delayed construction of GenericArgs. +/// Helper struct for the delayed construction of [`hir::GenericArgs`]. struct GenericArgsCtor<'hir> { args: SmallVec<[hir::GenericArg<'hir>; 4]>, - bindings: &'hir [hir::TypeBinding<'hir>], + constraints: &'hir [hir::AssocItemConstraint<'hir>], parenthesized: hir::GenericArgsParentheses, span: Span, } @@ -2664,14 +2655,14 @@ impl<'hir> GenericArgsCtor<'hir> { fn is_empty(&self) -> bool { self.args.is_empty() - && self.bindings.is_empty() + && self.constraints.is_empty() && self.parenthesized == hir::GenericArgsParentheses::No } fn into_generic_args(self, this: &LoweringContext<'_, 'hir>) -> &'hir hir::GenericArgs<'hir> { let ga = hir::GenericArgs { args: this.arena.alloc_from_iter(self.args), - bindings: self.bindings, + constraints: self.constraints, parenthesized: self.parenthesized, span_ext: this.lower_span(self.span), }; diff --git a/compiler/rustc_ast_lowering/src/path.rs b/compiler/rustc_ast_lowering/src/path.rs index 7679424dceb9..9d38e1e67847 100644 --- a/compiler/rustc_ast_lowering/src/path.rs +++ b/compiler/rustc_ast_lowering/src/path.rs @@ -281,7 +281,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { ( GenericArgsCtor { args: Default::default(), - bindings: &[], + constraints: &[], parenthesized: hir::GenericArgsParentheses::No, span: path_span.shrink_to_hi(), }, @@ -390,13 +390,16 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { AngleBracketedArg::Constraint(_) => None, }) .collect(); - let bindings = self.arena.alloc_from_iter(data.args.iter().filter_map(|arg| match arg { - AngleBracketedArg::Constraint(c) => Some(self.lower_assoc_ty_constraint(c, itctx)), - AngleBracketedArg::Arg(_) => None, - })); + let constraints = + self.arena.alloc_from_iter(data.args.iter().filter_map(|arg| match arg { + AngleBracketedArg::Constraint(c) => { + Some(self.lower_assoc_item_constraint(c, itctx)) + } + AngleBracketedArg::Arg(_) => None, + })); let ctor = GenericArgsCtor { args, - bindings, + constraints, parenthesized: hir::GenericArgsParentheses::No, span: data.span, }; @@ -454,12 +457,12 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { Some(bound_modifier_allowed_features), ); } - let binding = self.assoc_ty_binding(sym::Output, output_span, output_ty); + let constraint = self.assoc_ty_binding(sym::Output, output_span, output_ty); ( GenericArgsCtor { args, - bindings: arena_vec![self; binding], + constraints: arena_vec![self; constraint], parenthesized: hir::GenericArgsParentheses::ParenSugar, span: data.inputs_span, }, @@ -467,24 +470,24 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { ) } - /// An associated type binding `$assoc_ty_name = $ty`. + /// An associated type binding (i.e., associated type equality constraint). pub(crate) fn assoc_ty_binding( &mut self, assoc_ty_name: rustc_span::Symbol, span: Span, ty: &'hir hir::Ty<'hir>, - ) -> hir::TypeBinding<'hir> { + ) -> hir::AssocItemConstraint<'hir> { let ident = Ident::with_dummy_span(assoc_ty_name); - let kind = hir::TypeBindingKind::Equality { term: ty.into() }; + let kind = hir::AssocItemConstraintKind::Equality { term: ty.into() }; let args = arena_vec![self;]; - let bindings = arena_vec![self;]; + let constraints = arena_vec![self;]; let gen_args = self.arena.alloc(hir::GenericArgs { args, - bindings, + constraints, parenthesized: hir::GenericArgsParentheses::No, span_ext: DUMMY_SP, }); - hir::TypeBinding { + hir::AssocItemConstraint { hir_id: self.next_id(), gen_args, span: self.lower_span(span), diff --git a/compiler/rustc_ast_passes/src/ast_validation.rs b/compiler/rustc_ast_passes/src/ast_validation.rs index c57be3cdf353..3dfa5dde9492 100644 --- a/compiler/rustc_ast_passes/src/ast_validation.rs +++ b/compiler/rustc_ast_passes/src/ast_validation.rs @@ -673,7 +673,7 @@ impl<'a> AstValidator<'a> { let constraint_sugg = data.args.iter().filter_map(|a| match a { AngleBracketedArg::Arg(_) => None, AngleBracketedArg::Constraint(c) => { - Some(pprust::to_string(|s| s.print_assoc_constraint(c))) + Some(pprust::to_string(|s| s.print_assoc_item_constraint(c))) } }); format!( @@ -1201,11 +1201,11 @@ impl<'a> Visitor<'a> for AstValidator<'a> { for arg in &data.args { match arg { AngleBracketedArg::Arg(arg) => self.visit_generic_arg(arg), - // Type bindings such as `Item = impl Debug` in `Iterator` - // are allowed to contain nested `impl Trait`. + // Associated type bindings such as `Item = impl Debug` in + // `Iterator` are allowed to contain nested `impl Trait`. AngleBracketedArg::Constraint(constraint) => { self.with_impl_trait(None, |this| { - this.visit_assoc_constraint(constraint); + this.visit_assoc_item_constraint(constraint); }); } } @@ -1365,7 +1365,7 @@ impl<'a> Visitor<'a> for AstValidator<'a> { } } } - // The lowered form of parenthesized generic args contains a type binding. + // The lowered form of parenthesized generic args contains an associated type binding. Some(ast::GenericArgs::Parenthesized(args)) => { self.dcx().emit_err(errors::NegativeBoundWithParentheticalNotation { span: args.span, @@ -1591,11 +1591,13 @@ fn deny_equality_constraints( let len = assoc_path.segments.len() - 1; let gen_args = args.as_deref().cloned(); // Build ``. - let arg = AngleBracketedArg::Constraint(AssocConstraint { + let arg = AngleBracketedArg::Constraint(AssocItemConstraint { id: rustc_ast::node_id::DUMMY_NODE_ID, ident: *ident, gen_args, - kind: AssocConstraintKind::Equality { term: predicate.rhs_ty.clone().into() }, + kind: AssocItemConstraintKind::Equality { + term: predicate.rhs_ty.clone().into(), + }, span: ident.span, }); // Add `` to `Foo`. diff --git a/compiler/rustc_ast_passes/src/feature_gate.rs b/compiler/rustc_ast_passes/src/feature_gate.rs index a522f04b21db..a9dca9b6a293 100644 --- a/compiler/rustc_ast_passes/src/feature_gate.rs +++ b/compiler/rustc_ast_passes/src/feature_gate.rs @@ -1,6 +1,6 @@ use rustc_ast as ast; use rustc_ast::visit::{self, AssocCtxt, FnCtxt, FnKind, Visitor}; -use rustc_ast::{attr, AssocConstraint, AssocConstraintKind, NodeId}; +use rustc_ast::{attr, AssocItemConstraint, AssocItemConstraintKind, NodeId}; use rustc_ast::{token, PatKind}; use rustc_feature::{AttributeGate, BuiltinAttribute, Features, GateIssue, BUILTIN_ATTRIBUTE_MAP}; use rustc_session::parse::{feature_err, feature_err_issue, feature_warn}; @@ -344,7 +344,7 @@ impl<'a> Visitor<'a> for PostExpansionVisitor<'a> { for predicate in &g.where_clause.predicates { match predicate { ast::WherePredicate::BoundPredicate(bound_pred) => { - // A type binding, eg `for<'c> Foo: Send+Clone+'c` + // A type bound (e.g., `for<'c> Foo: Send + Clone + 'c`). self.check_late_bound_lifetime_defs(&bound_pred.bound_generic_params); } _ => {} @@ -445,21 +445,21 @@ impl<'a> Visitor<'a> for PostExpansionVisitor<'a> { visit::walk_fn(self, fn_kind) } - fn visit_assoc_constraint(&mut self, constraint: &'a AssocConstraint) { - if let AssocConstraintKind::Bound { .. } = constraint.kind { - if let Some(ast::GenericArgs::Parenthesized(args)) = constraint.gen_args.as_ref() - && args.inputs.is_empty() - && matches!(args.output, ast::FnRetTy::Default(..)) - { - gate!( - &self, - return_type_notation, - constraint.span, - "return type notation is experimental" - ); - } + fn visit_assoc_item_constraint(&mut self, constraint: &'a AssocItemConstraint) { + if let AssocItemConstraintKind::Bound { .. } = constraint.kind + && let Some(ast::GenericArgs::Parenthesized(args)) = constraint.gen_args.as_ref() + && args.inputs.is_empty() + && let ast::FnRetTy::Default(..) = args.output + { + gate!( + &self, + return_type_notation, + constraint.span, + "return type notation is experimental" + ); } - visit::walk_assoc_constraint(self, constraint) + + visit::walk_assoc_item_constraint(self, constraint) } fn visit_assoc_item(&mut self, i: &'a ast::AssocItem, ctxt: AssocCtxt) { diff --git a/compiler/rustc_ast_passes/src/node_count.rs b/compiler/rustc_ast_passes/src/node_count.rs index 2128acba0bab..c61640de6f79 100644 --- a/compiler/rustc_ast_passes/src/node_count.rs +++ b/compiler/rustc_ast_passes/src/node_count.rs @@ -119,9 +119,9 @@ impl<'ast> Visitor<'ast> for NodeCounter { self.count += 1; walk_generic_args(self, generic_args) } - fn visit_assoc_constraint(&mut self, constraint: &AssocConstraint) { + fn visit_assoc_item_constraint(&mut self, constraint: &AssocItemConstraint) { self.count += 1; - walk_assoc_constraint(self, constraint) + walk_assoc_item_constraint(self, constraint) } fn visit_attribute(&mut self, _attr: &Attribute) { self.count += 1; diff --git a/compiler/rustc_ast_pretty/src/pprust/state.rs b/compiler/rustc_ast_pretty/src/pprust/state.rs index f02fe4cf0a72..4c29ca0ca465 100644 --- a/compiler/rustc_ast_pretty/src/pprust/state.rs +++ b/compiler/rustc_ast_pretty/src/pprust/state.rs @@ -1045,7 +1045,7 @@ impl<'a> PrintState<'a> for State<'a> { self.word("<"); self.commasep(Inconsistent, &data.args, |s, arg| match arg { ast::AngleBracketedArg::Arg(a) => s.print_generic_arg(a), - ast::AngleBracketedArg::Constraint(c) => s.print_assoc_constraint(c), + ast::AngleBracketedArg::Constraint(c) => s.print_assoc_item_constraint(c), }); self.word(">") } @@ -1097,21 +1097,21 @@ impl<'a> State<'a> { } } - pub fn print_assoc_constraint(&mut self, constraint: &ast::AssocConstraint) { + pub fn print_assoc_item_constraint(&mut self, constraint: &ast::AssocItemConstraint) { self.print_ident(constraint.ident); if let Some(args) = constraint.gen_args.as_ref() { self.print_generic_args(args, false) } self.space(); match &constraint.kind { - ast::AssocConstraintKind::Equality { term } => { + ast::AssocItemConstraintKind::Equality { term } => { self.word_space("="); match term { Term::Ty(ty) => self.print_type(ty), Term::Const(c) => self.print_expr_anon_const(c, &[]), } } - ast::AssocConstraintKind::Bound { bounds } => { + ast::AssocItemConstraintKind::Bound { bounds } => { if !bounds.is_empty() { self.word_nbsp(":"); self.print_type_bounds(bounds); diff --git a/compiler/rustc_borrowck/src/diagnostics/region_name.rs b/compiler/rustc_borrowck/src/diagnostics/region_name.rs index 46011c1f43ec..07f4a385b611 100644 --- a/compiler/rustc_borrowck/src/diagnostics/region_name.rs +++ b/compiler/rustc_borrowck/src/diagnostics/region_name.rs @@ -12,7 +12,7 @@ use rustc_middle::ty::print::RegionHighlightMode; use rustc_middle::ty::{self, RegionVid, Ty}; use rustc_middle::ty::{GenericArgKind, GenericArgsRef}; use rustc_middle::{bug, span_bug}; -use rustc_span::symbol::{kw, sym, Ident, Symbol}; +use rustc_span::symbol::{kw, sym, Symbol}; use rustc_span::{Span, DUMMY_SP}; use crate::{universal_regions::DefiningTy, MirBorrowckCtxt}; @@ -842,13 +842,9 @@ impl<'tcx> MirBorrowckCtxt<'_, 'tcx> { }) = opaque_ty.kind && let Some(segment) = trait_ref.trait_ref.path.segments.last() && let Some(args) = segment.args - && let [ - hir::TypeBinding { - ident: Ident { name: sym::Output, .. }, - kind: hir::TypeBindingKind::Equality { term: hir::Term::Ty(ty) }, - .. - }, - ] = args.bindings + && let [constraint] = args.constraints + && constraint.ident.name == sym::Output + && let Some(ty) = constraint.ty() { ty } else { diff --git a/compiler/rustc_error_codes/src/error_codes/E0229.md b/compiler/rustc_error_codes/src/error_codes/E0229.md index a8fab057d43a..f4a983cb9efc 100644 --- a/compiler/rustc_error_codes/src/error_codes/E0229.md +++ b/compiler/rustc_error_codes/src/error_codes/E0229.md @@ -1,5 +1,4 @@ -An associated type binding was done outside of the type parameter declaration -and `where` clause. +An associated item constraint was written in an unexpected context. Erroneous code example: @@ -16,12 +15,12 @@ impl Foo for isize { fn boo(&self) -> usize { 42 } } -fn baz(x: &>::A) {} -// error: associated type bindings are not allowed here +fn baz(x: &>::A) {} +// error: associated item constraint are not allowed here ``` -To solve this error, please move the type bindings in the type parameter -declaration: +To solve this error, please move the associated item constraints to the type +parameter declaration: ``` # struct Bar; @@ -29,7 +28,7 @@ declaration: fn baz>(x: &::A) {} // ok! ``` -Or in the `where` clause: +Or into the where-clause: ``` # struct Bar; diff --git a/compiler/rustc_hir/src/hir.rs b/compiler/rustc_hir/src/hir.rs index 2f4dcdbdf2b1..ed344255a5ed 100644 --- a/compiler/rustc_hir/src/hir.rs +++ b/compiler/rustc_hir/src/hir.rs @@ -300,23 +300,30 @@ impl GenericArg<'_> { } } +/// The generic arguments and associated item constraints of a path segment. #[derive(Debug, Clone, Copy, HashStable_Generic)] pub struct GenericArgs<'hir> { /// The generic arguments for this path segment. pub args: &'hir [GenericArg<'hir>], - /// Bindings (equality constraints) on associated types, if present. - /// E.g., `Foo`. - pub bindings: &'hir [TypeBinding<'hir>], - /// Were arguments written in parenthesized form `Fn(T) -> U`? + /// The associated item constraints for this path segment. + pub constraints: &'hir [AssocItemConstraint<'hir>], + /// Whether the arguments were written in parenthesized form (e.g., `Fn(T) -> U`). + /// /// This is required mostly for pretty-printing and diagnostics, /// but also for changing lifetime elision rules to be "function-like". pub parenthesized: GenericArgsParentheses, - /// The span encompassing arguments and the surrounding brackets `<>` or `()` + /// The span encompassing the arguments, constraints and the surrounding brackets (`<>` or `()`). + /// + /// For example: + /// + /// ```ignore (illustrative) /// Foo Fn(T, U, V) -> W /// ^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^ + /// ``` + /// /// Note that this may be: /// - empty, if there are no generic brackets (but there may be hidden lifetimes) - /// - dummy, if this was generated while desugaring + /// - dummy, if this was generated during desugaring pub span_ext: Span, } @@ -324,39 +331,63 @@ impl<'hir> GenericArgs<'hir> { pub const fn none() -> Self { Self { args: &[], - bindings: &[], + constraints: &[], parenthesized: GenericArgsParentheses::No, span_ext: DUMMY_SP, } } - pub fn inputs(&self) -> &[Ty<'hir>] { - if self.parenthesized == GenericArgsParentheses::ParenSugar { - for arg in self.args { - match arg { - GenericArg::Lifetime(_) => {} - GenericArg::Type(ref ty) => { - if let TyKind::Tup(ref tys) = ty.kind { - return tys; - } - break; - } - GenericArg::Const(_) => {} - GenericArg::Infer(_) => {} - } - } + /// Obtain the list of input types and the output type if the generic arguments are parenthesized. + /// + /// Returns the `Ty0, Ty1, ...` and the `RetTy` in `Trait(Ty0, Ty1, ...) -> RetTy`. + /// Panics if the parenthesized arguments have an incorrect form (this shouldn't happen). + pub fn paren_sugar_inputs_output(&self) -> Option<(&[Ty<'hir>], &Ty<'hir>)> { + if self.parenthesized != GenericArgsParentheses::ParenSugar { + return None; } - panic!("GenericArgs::inputs: not a `Fn(T) -> U`"); + + let inputs = self + .args + .iter() + .find_map(|arg| { + let GenericArg::Type(ty) = arg else { return None }; + let TyKind::Tup(tys) = &ty.kind else { return None }; + Some(tys) + }) + .unwrap(); + + Some((inputs, self.paren_sugar_output_inner())) } - pub fn has_err(&self) -> bool { - self.args.iter().any(|arg| match arg { - GenericArg::Type(ty) => matches!(ty.kind, TyKind::Err(_)), - _ => false, - }) || self.bindings.iter().any(|arg| match arg.kind { - TypeBindingKind::Equality { term: Term::Ty(ty) } => matches!(ty.kind, TyKind::Err(_)), - _ => false, - }) + /// Obtain the output type if the generic arguments are parenthesized. + /// + /// Returns the `RetTy` in `Trait(Ty0, Ty1, ...) -> RetTy`. + /// Panics if the parenthesized arguments have an incorrect form (this shouldn't happen). + pub fn paren_sugar_output(&self) -> Option<&Ty<'hir>> { + (self.parenthesized == GenericArgsParentheses::ParenSugar) + .then(|| self.paren_sugar_output_inner()) + } + + fn paren_sugar_output_inner(&self) -> &Ty<'hir> { + let [constraint] = self.constraints.try_into().unwrap(); + debug_assert_eq!(constraint.ident.name, sym::Output); + constraint.ty().unwrap() + } + + pub fn has_err(&self) -> Option { + self.args + .iter() + .find_map(|arg| { + let GenericArg::Type(ty) = arg else { return None }; + let TyKind::Err(guar) = ty.kind else { return None }; + Some(guar) + }) + .or_else(|| { + self.constraints.iter().find_map(|constraint| { + let TyKind::Err(guar) = constraint.ty()?.kind else { return None }; + Some(guar) + }) + }) } #[inline] @@ -383,9 +414,11 @@ impl<'hir> GenericArgs<'hir> { .count() } - /// The span encompassing the text inside the surrounding brackets. - /// It will also include bindings if they aren't in the form `-> Ret` - /// Returns `None` if the span is empty (e.g. no brackets) or dummy + /// The span encompassing the arguments and constraints[^1] inside the surrounding brackets. + /// + /// Returns `None` if the span is empty (i.e., no brackets) or dummy. + /// + /// [^1]: Unless of the form `-> Ty` (see [`GenericArgsParentheses`]). pub fn span(&self) -> Option { let span_ext = self.span_ext()?; Some(span_ext.with_lo(span_ext.lo() + BytePos(1)).with_hi(span_ext.hi() - BytePos(1))) @@ -660,9 +693,7 @@ impl<'hir> Generics<'hir> { |bound| { let span_for_parentheses = if let Some(trait_ref) = bound.trait_ref() && let [.., segment] = trait_ref.path.segments - && segment.args().parenthesized == GenericArgsParentheses::ParenSugar - && let [binding] = segment.args().bindings - && let TypeBindingKind::Equality { term: Term::Ty(ret_ty) } = binding.kind + && let Some(ret_ty) = segment.args().paren_sugar_output() && let ret_ty = ret_ty.peel_refs() && let TyKind::TraitObject( _, @@ -748,7 +779,7 @@ impl<'hir> Generics<'hir> { /// A single predicate in a where-clause. #[derive(Debug, Clone, Copy, HashStable_Generic)] pub enum WherePredicate<'hir> { - /// A type binding (e.g., `for<'c> Foo: Send + Clone + 'c`). + /// A type bound (e.g., `for<'c> Foo: Send + Clone + 'c`). BoundPredicate(WhereBoundPredicate<'hir>), /// A lifetime predicate (e.g., `'a: 'b + 'c`). RegionPredicate(WhereRegionPredicate<'hir>), @@ -2361,24 +2392,43 @@ pub enum ImplItemKind<'hir> { Type(&'hir Ty<'hir>), } -/// An associated item binding. +/// A constraint on an associated item. /// /// ### Examples /// -/// * `Trait` -/// * `Trait = Ty>` -/// * `Trait` -/// * `Trait` (under feature `associated_const_equality`) -/// * `Trait` (under feature `return_type_notation`) +/// * the `A = Ty` and `B = Ty` in `Trait` +/// * the `G = Ty` in `Trait = Ty>` +/// * the `A: Bound` in `Trait` +/// * the `RetTy` in `Trait(ArgTy, ArgTy) -> RetTy` +/// * the `C = { Ct }` in `Trait` (feature `associated_const_equality`) +/// * the `f(): Bound` in `Trait` (feature `return_type_notation`) #[derive(Debug, Clone, Copy, HashStable_Generic)] -pub struct TypeBinding<'hir> { +pub struct AssocItemConstraint<'hir> { pub hir_id: HirId, pub ident: Ident, pub gen_args: &'hir GenericArgs<'hir>, - pub kind: TypeBindingKind<'hir>, + pub kind: AssocItemConstraintKind<'hir>, pub span: Span, } +impl<'hir> AssocItemConstraint<'hir> { + /// Obtain the type on the RHS of an assoc ty equality constraint if applicable. + pub fn ty(self) -> Option<&'hir Ty<'hir>> { + match self.kind { + AssocItemConstraintKind::Equality { term: Term::Ty(ty) } => Some(ty), + _ => None, + } + } + + /// Obtain the const on the RHS of an assoc const equality constraint if applicable. + pub fn ct(self) -> Option<&'hir AnonConst> { + match self.kind { + AssocItemConstraintKind::Equality { term: Term::Const(ct) } => Some(ct), + _ => None, + } + } +} + #[derive(Debug, Clone, Copy, HashStable_Generic)] pub enum Term<'hir> { Ty(&'hir Ty<'hir>), @@ -2397,28 +2447,18 @@ impl<'hir> From<&'hir AnonConst> for Term<'hir> { } } -// Represents the two kinds of type bindings. +/// The kind of [associated item constraint][AssocItemConstraint]. #[derive(Debug, Clone, Copy, HashStable_Generic)] -pub enum TypeBindingKind<'hir> { - /// E.g., `Foo`. - Constraint { bounds: &'hir [GenericBound<'hir>] }, - /// E.g., `Foo`. +pub enum AssocItemConstraintKind<'hir> { + /// An equality constraint for an associated item (e.g., `AssocTy = Ty` in `Trait`). + /// + /// Also known as an *associated item binding* (we *bind* an associated item to a term). + /// + /// Furthermore, associated type equality constraints can also be referred to as *associated type + /// bindings*. Similarly with associated const equality constraints and *associated const bindings*. Equality { term: Term<'hir> }, -} - -impl TypeBinding<'_> { - pub fn ty(&self) -> &Ty<'_> { - match self.kind { - TypeBindingKind::Equality { term: Term::Ty(ref ty) } => ty, - _ => panic!("expected equality type binding for parenthesized generic args"), - } - } - pub fn opt_const(&self) -> Option<&'_ AnonConst> { - match self.kind { - TypeBindingKind::Equality { term: Term::Const(ref c) } => Some(c), - _ => None, - } - } + /// A bound on an associated type (e.g., `AssocTy: Bound` in `Trait`). + Bound { bounds: &'hir [GenericBound<'hir>] }, } #[derive(Debug, Clone, Copy, HashStable_Generic)] @@ -3615,7 +3655,7 @@ pub enum Node<'hir> { Stmt(&'hir Stmt<'hir>), PathSegment(&'hir PathSegment<'hir>), Ty(&'hir Ty<'hir>), - TypeBinding(&'hir TypeBinding<'hir>), + AssocItemConstraint(&'hir AssocItemConstraint<'hir>), TraitRef(&'hir TraitRef<'hir>), Pat(&'hir Pat<'hir>), PatField(&'hir PatField<'hir>), @@ -3664,7 +3704,7 @@ impl<'hir> Node<'hir> { | Node::PathSegment(PathSegment { ident, .. }) => Some(*ident), Node::Lifetime(lt) => Some(lt.ident), Node::GenericParam(p) => Some(p.name.ident()), - Node::TypeBinding(b) => Some(b.ident), + Node::AssocItemConstraint(c) => Some(c.ident), Node::PatField(f) => Some(f.ident), Node::ExprField(f) => Some(f.ident), Node::PreciseCapturingNonLifetimeArg(a) => Some(a.ident), @@ -3843,7 +3883,7 @@ impl<'hir> Node<'hir> { expect_stmt, &'hir Stmt<'hir>, Node::Stmt(n), n; expect_path_segment, &'hir PathSegment<'hir>, Node::PathSegment(n), n; expect_ty, &'hir Ty<'hir>, Node::Ty(n), n; - expect_type_binding, &'hir TypeBinding<'hir>, Node::TypeBinding(n), n; + expect_assoc_item_constraint, &'hir AssocItemConstraint<'hir>, Node::AssocItemConstraint(n), n; expect_trait_ref, &'hir TraitRef<'hir>, Node::TraitRef(n), n; expect_pat, &'hir Pat<'hir>, Node::Pat(n), n; expect_pat_field, &'hir PatField<'hir>, Node::PatField(n), n; diff --git a/compiler/rustc_hir/src/intravisit.rs b/compiler/rustc_hir/src/intravisit.rs index b202ea8dca37..10f911ed00b4 100644 --- a/compiler/rustc_hir/src/intravisit.rs +++ b/compiler/rustc_hir/src/intravisit.rs @@ -456,8 +456,11 @@ pub trait Visitor<'v>: Sized { fn visit_generic_args(&mut self, generic_args: &'v GenericArgs<'v>) -> Self::Result { walk_generic_args(self, generic_args) } - fn visit_assoc_type_binding(&mut self, type_binding: &'v TypeBinding<'v>) -> Self::Result { - walk_assoc_type_binding(self, type_binding) + fn visit_assoc_item_constraint( + &mut self, + constraint: &'v AssocItemConstraint<'v>, + ) -> Self::Result { + walk_assoc_item_constraint(self, constraint) } fn visit_attribute(&mut self, _attr: &'v Attribute) -> Self::Result { Self::Result::output() @@ -1259,23 +1262,25 @@ pub fn walk_generic_args<'v, V: Visitor<'v>>( generic_args: &'v GenericArgs<'v>, ) -> V::Result { walk_list!(visitor, visit_generic_arg, generic_args.args); - walk_list!(visitor, visit_assoc_type_binding, generic_args.bindings); + walk_list!(visitor, visit_assoc_item_constraint, generic_args.constraints); V::Result::output() } -pub fn walk_assoc_type_binding<'v, V: Visitor<'v>>( +pub fn walk_assoc_item_constraint<'v, V: Visitor<'v>>( visitor: &mut V, - type_binding: &'v TypeBinding<'v>, + constraint: &'v AssocItemConstraint<'v>, ) -> V::Result { - try_visit!(visitor.visit_id(type_binding.hir_id)); - try_visit!(visitor.visit_ident(type_binding.ident)); - try_visit!(visitor.visit_generic_args(type_binding.gen_args)); - match type_binding.kind { - TypeBindingKind::Equality { ref term } => match term { + try_visit!(visitor.visit_id(constraint.hir_id)); + try_visit!(visitor.visit_ident(constraint.ident)); + try_visit!(visitor.visit_generic_args(constraint.gen_args)); + match constraint.kind { + AssocItemConstraintKind::Equality { ref term } => match term { Term::Ty(ref ty) => try_visit!(visitor.visit_ty(ty)), Term::Const(ref c) => try_visit!(visitor.visit_anon_const(c)), }, - TypeBindingKind::Constraint { bounds } => walk_list!(visitor, visit_param_bound, bounds), + AssocItemConstraintKind::Bound { bounds } => { + walk_list!(visitor, visit_param_bound, bounds) + } } V::Result::output() } diff --git a/compiler/rustc_hir_analysis/messages.ftl b/compiler/rustc_hir_analysis/messages.ftl index cf492a2a3fee..67959d9dfede 100644 --- a/compiler/rustc_hir_analysis/messages.ftl +++ b/compiler/rustc_hir_analysis/messages.ftl @@ -4,6 +4,10 @@ hir_analysis_ambiguous_assoc_item = ambiguous associated {$assoc_kind} `{$assoc_ hir_analysis_ambiguous_lifetime_bound = ambiguous lifetime bound, explicit lifetime bound required +hir_analysis_assoc_item_constraints_not_allowed_here = + associated item constraints are not allowed here + .label = associated item constraint not allowed here + hir_analysis_assoc_item_not_found = associated {$assoc_kind} `{$assoc_name}` not found for `{$ty_param_name}` hir_analysis_assoc_item_not_found_found_in_other_trait_label = there is {$identically_named -> @@ -24,10 +28,6 @@ hir_analysis_assoc_kind_mismatch = expected {$expected}, found {$got} hir_analysis_assoc_kind_mismatch_wrap_in_braces_sugg = consider adding braces here -hir_analysis_assoc_type_binding_not_allowed = - associated type bindings are not allowed here - .label = associated type not allowed here - hir_analysis_associated_type_trait_uninferred_generic_params = cannot use the associated type of a trait with uninferred generic parameters .suggestion = use a fully qualified path with inferred lifetimes diff --git a/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs b/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs index 5c7733065c61..c1850f78f2fb 100644 --- a/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs +++ b/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs @@ -1468,12 +1468,8 @@ impl<'a, 'tcx> BoundVarContext<'a, 'tcx> { depth: usize, generic_args: &'tcx hir::GenericArgs<'tcx>, ) { - if generic_args.parenthesized == hir::GenericArgsParentheses::ParenSugar { - self.visit_fn_like_elision( - generic_args.inputs(), - Some(generic_args.bindings[0].ty()), - false, - ); + if let Some((inputs, output)) = generic_args.paren_sugar_inputs_output() { + self.visit_fn_like_elision(inputs, Some(output), false); return; } @@ -1608,8 +1604,8 @@ impl<'a, 'tcx> BoundVarContext<'a, 'tcx> { } } - // Hack: when resolving the type `XX` in binding like `dyn - // Foo<'b, Item = XX>`, the current object-lifetime default + // Hack: When resolving the type `XX` in an assoc ty binding like + // `dyn Foo<'b, Item = XX>`, the current object-lifetime default // would be to examine the trait `Foo` to check whether it has // a lifetime bound declared on `Item`. e.g., if `Foo` is // declared like so, then the default object lifetime bound in @@ -1637,7 +1633,7 @@ impl<'a, 'tcx> BoundVarContext<'a, 'tcx> { // Resolve lifetimes found in the bindings, so either in the type `XX` in `Item = XX` or // in the trait ref `YY<...>` in `Item: YY<...>`. - for binding in generic_args.bindings { + for constraint in generic_args.constraints { let scope = Scope::ObjectLifetimeDefault { lifetime: if has_lifetime_parameter { None @@ -1646,7 +1642,7 @@ impl<'a, 'tcx> BoundVarContext<'a, 'tcx> { }, s: self.scope, }; - // If the binding is parenthesized, then this must be `feature(return_type_notation)`. + // If the args are parenthesized, then this must be `feature(return_type_notation)`. // In that case, introduce a binder over all of the function's early and late bound vars. // // For example, given @@ -1659,13 +1655,14 @@ impl<'a, 'tcx> BoundVarContext<'a, 'tcx> { // `for<'a> T::Trait<'a, x(): for<'b> Other<'b>>` // this is going to expand to something like: // `for<'a> for<'r, T> >::x::<'r, T>::{opaque#0}: for<'b> Other<'b>`. - if binding.gen_args.parenthesized == hir::GenericArgsParentheses::ReturnTypeNotation { + if constraint.gen_args.parenthesized == hir::GenericArgsParentheses::ReturnTypeNotation + { let bound_vars = if let Some(type_def_id) = type_def_id && self.tcx.def_kind(type_def_id) == DefKind::Trait && let Some((mut bound_vars, assoc_fn)) = BoundVarContext::supertrait_hrtb_vars( self.tcx, type_def_id, - binding.ident, + constraint.ident, ty::AssocKind::Fn, ) { bound_vars.extend(self.tcx.generics_of(assoc_fn.def_id).own_params.iter().map( @@ -1686,22 +1683,22 @@ impl<'a, 'tcx> BoundVarContext<'a, 'tcx> { } else { self.tcx .dcx() - .span_delayed_bug(binding.ident.span, "bad return type notation here"); + .span_delayed_bug(constraint.ident.span, "bad return type notation here"); vec![] }; self.with(scope, |this| { let scope = Scope::Supertrait { bound_vars, s: this.scope }; this.with(scope, |this| { let (bound_vars, _) = this.poly_trait_ref_binder_info(); - this.record_late_bound_vars(binding.hir_id, bound_vars); - this.visit_assoc_type_binding(binding) + this.record_late_bound_vars(constraint.hir_id, bound_vars); + this.visit_assoc_item_constraint(constraint) }); }); } else if let Some(type_def_id) = type_def_id { let bound_vars = BoundVarContext::supertrait_hrtb_vars( self.tcx, type_def_id, - binding.ident, + constraint.ident, ty::AssocKind::Type, ) .map(|(bound_vars, _)| bound_vars); @@ -1710,10 +1707,10 @@ impl<'a, 'tcx> BoundVarContext<'a, 'tcx> { bound_vars: bound_vars.unwrap_or_default(), s: this.scope, }; - this.with(scope, |this| this.visit_assoc_type_binding(binding)); + this.with(scope, |this| this.visit_assoc_item_constraint(constraint)); }); } else { - self.with(scope, |this| this.visit_assoc_type_binding(binding)); + self.with(scope, |this| this.visit_assoc_item_constraint(constraint)); } } } diff --git a/compiler/rustc_hir_analysis/src/collect/type_of.rs b/compiler/rustc_hir_analysis/src/collect/type_of.rs index 1475e53c47c2..24a1df70e05d 100644 --- a/compiler/rustc_hir_analysis/src/collect/type_of.rs +++ b/compiler/rustc_hir_analysis/src/collect/type_of.rs @@ -220,9 +220,10 @@ fn anon_const_type_of<'tcx>(tcx: TyCtxt<'tcx>, def_id: LocalDefId) -> Ty<'tcx> { .position(|arg| arg.hir_id() == hir_id) .map(|index| (index, seg)) .or_else(|| { - args.bindings + args.constraints .iter() - .filter_map(TypeBinding::opt_const) + .copied() + .filter_map(AssocItemConstraint::ct) .position(|ct| ct.hir_id == hir_id) .map(|idx| (idx, seg)) }) diff --git a/compiler/rustc_hir_analysis/src/errors.rs b/compiler/rustc_hir_analysis/src/errors.rs index 1c99713b3ae1..8a9d4cd4ac70 100644 --- a/compiler/rustc_hir_analysis/src/errors.rs +++ b/compiler/rustc_hir_analysis/src/errors.rs @@ -290,8 +290,8 @@ pub struct AmbiguousLifetimeBound { } #[derive(Diagnostic)] -#[diag(hir_analysis_assoc_type_binding_not_allowed, code = E0229)] -pub struct AssocTypeBindingNotAllowed { +#[diag(hir_analysis_assoc_item_constraints_not_allowed_here, code = E0229)] +pub struct AssocItemConstraintsNotAllowedHere { #[primary_span] #[label] pub span: Span, diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/bounds.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/bounds.rs index b0ae73fcc4be..b6a1799c03f1 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/bounds.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/bounds.rs @@ -230,32 +230,34 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { bounds } - /// Lower an associated item binding from HIR into `bounds`. + /// Lower an associated item constraint from the HIR into `bounds`. /// /// ### A Note on Binders /// /// Given something like `T: for<'a> Iterator`, /// the `trait_ref` here will be `for<'a> T: Iterator`. - /// The `binding` data however is from *inside* the binder + /// The `constraint` data however is from *inside* the binder /// (e.g., `&'a u32`) and hence may reference bound regions. - #[instrument(level = "debug", skip(self, bounds, dup_bindings, path_span))] - pub(super) fn lower_assoc_item_binding( + #[instrument(level = "debug", skip(self, bounds, duplicates, path_span))] + pub(super) fn lower_assoc_item_constraint( &self, hir_ref_id: hir::HirId, trait_ref: ty::PolyTraitRef<'tcx>, - binding: &hir::TypeBinding<'tcx>, + constraint: &hir::AssocItemConstraint<'tcx>, bounds: &mut Bounds<'tcx>, - dup_bindings: &mut FxIndexMap, + duplicates: &mut FxIndexMap, path_span: Span, only_self_bounds: OnlySelfBounds, ) -> Result<(), ErrorGuaranteed> { let tcx = self.tcx(); - let assoc_kind = if binding.gen_args.parenthesized + let assoc_kind = if constraint.gen_args.parenthesized == hir::GenericArgsParentheses::ReturnTypeNotation { ty::AssocKind::Fn - } else if let hir::TypeBindingKind::Equality { term: hir::Term::Const(_) } = binding.kind { + } else if let hir::AssocItemConstraintKind::Equality { term: hir::Term::Const(_) } = + constraint.kind + { ty::AssocKind::Const } else { ty::AssocKind::Type @@ -272,7 +274,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { let candidate = if self.probe_trait_that_defines_assoc_item( trait_ref.def_id(), assoc_kind, - binding.ident, + constraint.ident, ) { // Simple case: The assoc item is defined in the current trait. trait_ref @@ -284,14 +286,14 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { trait_ref.skip_binder().print_only_trait_name(), None, assoc_kind, - binding.ident, + constraint.ident, path_span, - Some(binding), + Some(constraint), )? }; let (assoc_ident, def_scope) = - tcx.adjust_ident_and_get_scope(binding.ident, candidate.def_id(), hir_ref_id); + tcx.adjust_ident_and_get_scope(constraint.ident, candidate.def_id(), hir_ref_id); // We have already adjusted the item name above, so compare with `.normalize_to_macros_2_0()` // instead of calling `filter_by_name_and_kind` which would needlessly normalize the @@ -306,26 +308,26 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { let reported = tcx .dcx() .struct_span_err( - binding.span, - format!("{} `{}` is private", assoc_item.kind, binding.ident), + constraint.span, + format!("{} `{}` is private", assoc_item.kind, constraint.ident), ) - .with_span_label(binding.span, format!("private {}", assoc_item.kind)) + .with_span_label(constraint.span, format!("private {}", assoc_item.kind)) .emit(); self.set_tainted_by_errors(reported); } - tcx.check_stability(assoc_item.def_id, Some(hir_ref_id), binding.span, None); + tcx.check_stability(assoc_item.def_id, Some(hir_ref_id), constraint.span, None); - dup_bindings + duplicates .entry(assoc_item.def_id) .and_modify(|prev_span| { tcx.dcx().emit_err(errors::ValueOfAssociatedStructAlreadySpecified { - span: binding.span, + span: constraint.span, prev_span: *prev_span, - item_name: binding.ident, + item_name: constraint.ident, def_path: tcx.def_path_str(assoc_item.container_id(tcx)), }); }) - .or_insert(binding.span); + .or_insert(constraint.span); let projection_term = if let ty::AssocKind::Fn = assoc_kind { let mut emitted_bad_param_err = None; @@ -384,7 +386,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { alias_ty.into() } else { return Err(tcx.dcx().emit_err(crate::errors::ReturnTypeNotationOnNonRpitit { - span: binding.span, + span: constraint.span, ty: tcx.liberate_late_bound_regions(assoc_item.def_id, output), fn_span: tcx.hir().span_if_local(assoc_item.def_id), note: (), @@ -398,19 +400,19 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { let shifted_output = tcx.shift_bound_var_indices(num_bound_vars, output); let instantiation_output = ty::EarlyBinder::bind(shifted_output).instantiate(tcx, args); - let bound_vars = tcx.late_bound_vars(binding.hir_id); + let bound_vars = tcx.late_bound_vars(constraint.hir_id); ty::Binder::bind_with_vars(instantiation_output, bound_vars) } else { // Create the generic arguments for the associated type or constant by joining the // parent arguments (the arguments of the trait) and the own arguments (the ones of // the associated item itself) and construct an alias type using them. let alias_ty = candidate.map_bound(|trait_ref| { - let ident = Ident::new(assoc_item.name, binding.ident.span); + let ident = Ident::new(assoc_item.name, constraint.ident.span); let item_segment = hir::PathSegment { ident, - hir_id: binding.hir_id, + hir_id: constraint.hir_id, res: Res::Err, - args: Some(binding.gen_args), + args: Some(constraint.gen_args), infer_args: false, }; @@ -426,26 +428,26 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { }); // Provide the resolved type of the associated constant to `type_of(AnonConst)`. - if let hir::TypeBindingKind::Equality { term: hir::Term::Const(anon_const) } = - binding.kind + if let hir::AssocItemConstraintKind::Equality { term: hir::Term::Const(anon_const) } = + constraint.kind { let ty = alias_ty.map_bound(|ty| tcx.type_of(ty.def_id).instantiate(tcx, ty.args)); - let ty = check_assoc_const_binding_type(tcx, assoc_ident, ty, binding.hir_id); + let ty = check_assoc_const_binding_type(tcx, assoc_ident, ty, constraint.hir_id); tcx.feed_anon_const_type(anon_const.def_id, ty::EarlyBinder::bind(ty)); } alias_ty }; - match binding.kind { - hir::TypeBindingKind::Equality { .. } if let ty::AssocKind::Fn = assoc_kind => { + match constraint.kind { + hir::AssocItemConstraintKind::Equality { .. } if let ty::AssocKind::Fn = assoc_kind => { return Err(tcx.dcx().emit_err(crate::errors::ReturnTypeNotationEqualityBound { - span: binding.span, + span: constraint.span, })); } // Lower an equality constraint like `Item = u32` as found in HIR bound `T: Iterator` // to a projection predicate: `::Item = u32`. - hir::TypeBindingKind::Equality { term } => { + hir::AssocItemConstraintKind::Equality { term } => { let term = match term { hir::Term::Ty(ty) => self.lower_ty(ty).into(), hir::Term::Const(ct) => ty::Const::from_anon_const(tcx, ct.def_id).into(), @@ -469,18 +471,18 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { // struct S1 Fn(&i32, &i32) -> &'a i32>(F); // ---- ---- ^^^^^^^ // NOTE(associated_const_equality): This error should be impossible to trigger - // with associated const equality bounds. + // with associated const equality constraints. self.validate_late_bound_regions( late_bound_in_projection_ty, late_bound_in_term, |br_name| { struct_span_code_err!( tcx.dcx(), - binding.span, + constraint.span, E0582, "binding for associated type `{}` references {}, \ - which does not appear in the trait input types", - binding.ident, + which does not appear in the trait input types", + constraint.ident, br_name ) }, @@ -492,12 +494,12 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { projection_term, term, }), - binding.span, + constraint.span, ); } // Lower a constraint like `Item: Debug` as found in HIR bound `T: Iterator` // to a bound involving a projection: `::Item: Debug`. - hir::TypeBindingKind::Constraint { bounds: hir_bounds } => { + hir::AssocItemConstraintKind::Bound { bounds: hir_bounds } => { // NOTE: If `only_self_bounds` is true, do NOT expand this associated type bound into // a trait predicate, since we only want to add predicates for the `Self` type. if !only_self_bounds.0 { diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/errors.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/errors.rs index 9c687d3282bd..821c56530407 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/errors.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/errors.rs @@ -1,5 +1,5 @@ use crate::errors::{ - self, AssocTypeBindingNotAllowed, ManualImplementation, MissingTypeParams, + self, AssocItemConstraintsNotAllowedHere, ManualImplementation, MissingTypeParams, ParenthesizedFnTraitExpansion, TraitObjectDeclaredWithNoTraits, }; use crate::fluent_generated as fluent; @@ -121,7 +121,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { assoc_kind: ty::AssocKind, assoc_name: Ident, span: Span, - binding: Option<&hir::TypeBinding<'tcx>>, + constraint: Option<&hir::AssocItemConstraint<'tcx>>, ) -> ErrorGuaranteed where I: Iterator>, @@ -135,7 +135,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { .find(|item| tcx.hygienic_eq(assoc_name, item.ident(tcx), r.def_id())) }) { return self.complain_about_assoc_kind_mismatch( - assoc_item, assoc_kind, assoc_name, span, binding, + assoc_item, assoc_kind, assoc_name, span, constraint, ); } @@ -300,18 +300,18 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { assoc_kind: ty::AssocKind, ident: Ident, span: Span, - binding: Option<&hir::TypeBinding<'tcx>>, + constraint: Option<&hir::AssocItemConstraint<'tcx>>, ) -> ErrorGuaranteed { let tcx = self.tcx(); let bound_on_assoc_const_label = if let ty::AssocKind::Const = assoc_item.kind - && let Some(binding) = binding - && let hir::TypeBindingKind::Constraint { .. } = binding.kind + && let Some(constraint) = constraint + && let hir::AssocItemConstraintKind::Bound { .. } = constraint.kind { - let lo = if binding.gen_args.span_ext.is_dummy() { + let lo = if constraint.gen_args.span_ext.is_dummy() { ident.span } else { - binding.gen_args.span_ext + constraint.gen_args.span_ext }; Some(lo.between(span.shrink_to_hi())) } else { @@ -319,8 +319,8 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { }; // FIXME(associated_const_equality): This has quite a few false positives and negatives. - let wrap_in_braces_sugg = if let Some(binding) = binding - && let hir::TypeBindingKind::Equality { term: hir::Term::Ty(hir_ty) } = binding.kind + let wrap_in_braces_sugg = if let Some(constraint) = constraint + && let Some(hir_ty) = constraint.ty() && let ty = self.lower_ty(hir_ty) && (ty.is_enum() || ty.references_error()) && tcx.features().associated_const_equality @@ -333,10 +333,10 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { None }; - // For equality bounds, we want to blame the term (RHS) instead of the item (LHS) since + // For equality constraints, we want to blame the term (RHS) instead of the item (LHS) since // one can argue that that's more “intuitive” to the user. - let (span, expected_because_label, expected, got) = if let Some(binding) = binding - && let hir::TypeBindingKind::Equality { term } = binding.kind + let (span, expected_because_label, expected, got) = if let Some(constraint) = constraint + && let hir::AssocItemConstraintKind::Equality { term } = constraint.kind { let span = match term { hir::Term::Ty(ty) => ty.span, @@ -791,8 +791,8 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { let path = poly_trait_ref.trait_ref.path.segments.last()?; let args = path.args?; - Some(args.bindings.iter().filter_map(|binding| { - let ident = binding.ident; + Some(args.constraints.iter().filter_map(|constraint| { + let ident = constraint.ident; let trait_def = path.res.def_id(); let assoc_item = tcx.associated_items(trait_def).find_by_name_and_kind( tcx, @@ -1192,14 +1192,14 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { } } -/// Emits an error regarding forbidden type binding associations -pub fn prohibit_assoc_item_binding( +/// Emit an error for the given associated item constraint. +pub fn prohibit_assoc_item_constraint( tcx: TyCtxt<'_>, - binding: &hir::TypeBinding<'_>, + constraint: &hir::AssocItemConstraint<'_>, segment: Option<(DefId, &hir::PathSegment<'_>, Span)>, ) -> ErrorGuaranteed { - let mut err = tcx.dcx().create_err(AssocTypeBindingNotAllowed { - span: binding.span, + let mut err = tcx.dcx().create_err(AssocItemConstraintsNotAllowedHere { + span: constraint.span, fn_trait_expansion: if let Some((_, segment, span)) = segment && segment.args().parenthesized == hir::GenericArgsParentheses::ParenSugar { @@ -1217,13 +1217,12 @@ pub fn prohibit_assoc_item_binding( // otherwise suggest the removal of the binding. if let Some((def_id, segment, _)) = segment && segment.args().parenthesized == hir::GenericArgsParentheses::No - && let hir::TypeBindingKind::Equality { term } = binding.kind + && let hir::AssocItemConstraintKind::Equality { term } = constraint.kind { // Suggests removal of the offending binding let suggest_removal = |e: &mut Diag<'_>| { - let bindings = segment.args().bindings; + let constraints = segment.args().constraints; let args = segment.args().args; - let binding_span = binding.span; // Compute the span to remove based on the position // of the binding. We do that as follows: @@ -1236,26 +1235,21 @@ pub fn prohibit_assoc_item_binding( // the start of the next span or will simply be the // span encomassing everything within the generics brackets - let Some(binding_index) = bindings.iter().position(|b| b.hir_id == binding.hir_id) - else { + let Some(index) = constraints.iter().position(|b| b.hir_id == constraint.hir_id) else { bug!("a type binding exists but its HIR ID not found in generics"); }; - let preceding_span = if binding_index > 0 { - Some(bindings[binding_index - 1].span) + let preceding_span = if index > 0 { + Some(constraints[index - 1].span) } else { args.last().map(|a| a.span()) }; - let next_span = if binding_index < bindings.len() - 1 { - Some(bindings[binding_index + 1].span) - } else { - None - }; + let next_span = constraints.get(index + 1).map(|constraint| constraint.span); let removal_span = match (preceding_span, next_span) { - (Some(prec), _) => binding_span.with_lo(prec.hi()), - (None, Some(next)) => binding_span.with_hi(next.lo()), + (Some(prec), _) => constraint.span.with_lo(prec.hi()), + (None, Some(next)) => constraint.span.with_hi(next.lo()), (None, None) => { let Some(generics_span) = segment.args().span_ext() else { bug!("a type binding exists but generic span is empty"); @@ -1269,7 +1263,7 @@ pub fn prohibit_assoc_item_binding( if let Ok(suggestion) = tcx.sess.source_map().span_to_snippet(removal_span) { e.span_suggestion_verbose( removal_span, - "consider removing this type binding", + "consider removing this associated item binding", suggestion, Applicability::MaybeIncorrect, ); @@ -1281,7 +1275,7 @@ pub fn prohibit_assoc_item_binding( let suggest_direct_use = |e: &mut Diag<'_>, sp: Span| { if let Ok(snippet) = tcx.sess.source_map().span_to_snippet(sp) { e.span_suggestion_verbose( - binding.span, + constraint.span, format!("to use `{snippet}` as a generic argument specify it directly"), snippet, Applicability::MaybeIncorrect, @@ -1289,11 +1283,11 @@ pub fn prohibit_assoc_item_binding( } }; - // Check if the type has a generic param with the - // same name as the assoc type name in type binding + // Check if the type has a generic param with the same name + // as the assoc type name in the associated item binding. let generics = tcx.generics_of(def_id); let matching_param = - generics.own_params.iter().find(|p| p.name.as_str() == binding.ident.as_str()); + generics.own_params.iter().find(|p| p.name.as_str() == constraint.ident.as_str()); // Now emit the appropriate suggestion if let Some(matching_param) = matching_param { @@ -1322,8 +1316,7 @@ pub(crate) fn fn_trait_to_string( ) -> String { let args = trait_segment .args - .as_ref() - .and_then(|args| args.args.get(0)) + .and_then(|args| args.args.first()) .and_then(|arg| match arg { hir::GenericArg::Type(ty) => match ty.kind { hir::TyKind::Tup(t) => t @@ -1334,7 +1327,7 @@ pub(crate) fn fn_trait_to_string( _ => tcx.sess.source_map().span_to_snippet(ty.span), } .map(|s| { - // `s.empty()` checks to see if the type is the unit tuple, if so we don't want a comma + // `is_empty()` checks to see if the type is the unit tuple, if so we don't want a comma if parenthesized || s.is_empty() { format!("({s})") } else { format!("({s},)") } }) .ok(), @@ -1344,20 +1337,17 @@ pub(crate) fn fn_trait_to_string( let ret = trait_segment .args() - .bindings + .constraints .iter() - .find_map(|b| match (b.ident.name == sym::Output, &b.kind) { - (true, hir::TypeBindingKind::Equality { term }) => { - let span = match term { - hir::Term::Ty(ty) => ty.span, - hir::Term::Const(c) => tcx.hir().span(c.hir_id), - }; - - (span != tcx.hir().span(trait_segment.hir_id)) - .then_some(tcx.sess.source_map().span_to_snippet(span).ok()) - .flatten() + .find_map(|c| { + if c.ident.name == sym::Output + && let Some(ty) = c.ty() + && ty.span != tcx.hir().span(trait_segment.hir_id) + { + tcx.sess.source_map().span_to_snippet(ty.span).ok() + } else { + None } - _ => None, }) .unwrap_or_else(|| "()".to_string()); diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/generics.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/generics.rs index 749f78e79201..455ed7d39cb2 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/generics.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/generics.rs @@ -1,6 +1,6 @@ use super::IsMethodCall; use crate::hir_ty_lowering::{ - errors::prohibit_assoc_item_binding, ExplicitLateBound, GenericArgCountMismatch, + errors::prohibit_assoc_item_constraint, ExplicitLateBound, GenericArgCountMismatch, GenericArgCountResult, GenericArgPosition, GenericArgsLowerer, }; use crate::structured_errors::{GenericArgsInfo, StructuredDiag, WrongNumberOfGenericArgs}; @@ -452,9 +452,9 @@ pub(crate) fn check_generic_arg_count( (gen_pos != GenericArgPosition::Type || seg.infer_args) && !gen_args.has_lifetime_params(); if gen_pos != GenericArgPosition::Type - && let Some(b) = gen_args.bindings.first() + && let Some(c) = gen_args.constraints.first() { - prohibit_assoc_item_binding(tcx, b, None); + prohibit_assoc_item_constraint(tcx, c, None); } let explicit_late_bound = @@ -566,17 +566,19 @@ pub(crate) fn check_generic_arg_count( debug!(?gen_args_info); - let reported = WrongNumberOfGenericArgs::new( - tcx, - gen_args_info, - seg, - gen_params, - params_offset, - gen_args, - def_id, - ) - .diagnostic() - .emit_unless(gen_args.has_err()); + let reported = gen_args.has_err().unwrap_or_else(|| { + WrongNumberOfGenericArgs::new( + tcx, + gen_args_info, + seg, + gen_params, + params_offset, + gen_args, + def_id, + ) + .diagnostic() + .emit() + }); Err(reported) }; diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/lint.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/lint.rs index d9d36f5299b5..7be661ba74d0 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/lint.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/lint.rs @@ -268,8 +268,8 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { fn maybe_suggest_assoc_ty_bound(&self, self_ty: &hir::Ty<'_>, diag: &mut Diag<'_>) { let mut parents = self.tcx().hir().parent_iter(self_ty.hir_id); - if let Some((_, hir::Node::TypeBinding(binding))) = parents.next() - && let hir::TypeBindingKind::Equality { term: hir::Term::Ty(obj_ty) } = binding.kind + if let Some((_, hir::Node::AssocItemConstraint(constraint))) = parents.next() + && let Some(obj_ty) = constraint.ty() { if let Some((_, hir::Node::TraitRef(..))) = parents.next() && let Some((_, hir::Node::Ty(ty))) = parents.next() @@ -279,10 +279,10 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { return; } - let lo = if binding.gen_args.span_ext.is_dummy() { - binding.ident.span + let lo = if constraint.gen_args.span_ext.is_dummy() { + constraint.ident.span } else { - binding.gen_args.span_ext + constraint.gen_args.span_ext }; let hi = obj_ty.span; diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs index 4b1c0da6ce11..fd59fb4d2845 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs @@ -22,7 +22,7 @@ mod object_safety; use crate::bounds::Bounds; use crate::collect::HirPlaceholderCollector; use crate::errors::{AmbiguousLifetimeBound, WildPatTy}; -use crate::hir_ty_lowering::errors::{prohibit_assoc_item_binding, GenericsArgsErrExtend}; +use crate::hir_ty_lowering::errors::{prohibit_assoc_item_constraint, GenericsArgsErrExtend}; use crate::hir_ty_lowering::generics::{check_generic_arg_count, lower_generic_args}; use crate::middle::resolve_bound_vars as rbv; use crate::require_c_abi_if_c_variadic; @@ -324,8 +324,8 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { None, ty::BoundConstness::NotConst, ); - if let Some(b) = item_segment.args().bindings.first() { - prohibit_assoc_item_binding(self.tcx(), b, Some((def_id, item_segment, span))); + if let Some(c) = item_segment.args().constraints.first() { + prohibit_assoc_item_constraint(self.tcx(), c, Some((def_id, item_segment, span))); } args } @@ -335,7 +335,8 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { /// If this is a trait reference, you also need to pass the self type `self_ty`. /// The lowering process may involve applying defaulted type parameters. /// - /// Associated item bindings are not handled here! + /// Associated item constraints are not handled here! They are either lowered via + /// `lower_assoc_item_constraint` or rejected via `prohibit_assoc_item_constraint`. /// /// ### Example /// @@ -349,7 +350,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { /// which will have been resolved to a `def_id` /// 3. The `generic_args` contains info on the `<...>` contents. The `usize` type /// parameters are returned in the `GenericArgsRef` - /// 4. Associated type bindings like `Output = u32` are contained in `generic_args.bindings`. + /// 4. Associated item constraints like `Output = u32` are contained in `generic_args.constraints`. /// /// Note that the type listing given here is *exactly* what the user provided. /// @@ -411,8 +412,8 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { // Skip processing if type has no generic parameters. // Traits always have `Self` as a generic parameter, which means they will not return early - // here and so associated type bindings will be handled regardless of whether there are any - // non-`Self` generic parameters. + // here and so associated item constraints will be handled regardless of whether there are + // any non-`Self` generic parameters. if generics.is_own_empty() { return (tcx.mk_args(parent_args), arg_count); } @@ -621,8 +622,8 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { None, ty::BoundConstness::NotConst, ); - if let Some(b) = item_segment.args().bindings.first() { - prohibit_assoc_item_binding(self.tcx(), b, Some((item_def_id, item_segment, span))); + if let Some(c) = item_segment.args().constraints.first() { + prohibit_assoc_item_constraint(self.tcx(), c, Some((item_def_id, item_segment, span))); } args } @@ -654,13 +655,13 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { /// /// *Polymorphic* in the sense that it may bind late-bound vars. /// - /// This may generate auxiliary bounds if the trait reference contains associated item bindings. + /// This may generate auxiliary bounds iff the trait reference contains associated item constraints. /// /// ### Example /// /// Given the trait ref `Iterator` and the self type `Ty`, this will add the /// - /// 1. *trait predicate* `` (known as `Foo: Iterator` in surface syntax) and the + /// 1. *trait predicate* `` (known as `Ty: Iterator` in the surface syntax) and the /// 2. *projection predicate* `::Item = u32` /// /// to `bounds`. @@ -714,27 +715,27 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { debug!(?poly_trait_ref); bounds.push_trait_bound(tcx, poly_trait_ref, span, polarity); - let mut dup_bindings = FxIndexMap::default(); - for binding in trait_segment.args().bindings { - // Don't register additional associated type bounds for negative bounds, - // since we should have emitten an error for them earlier, and they will - // not be well-formed! + let mut dup_constraints = FxIndexMap::default(); + for constraint in trait_segment.args().constraints { + // Don't register any associated item constraints for negative bounds, + // since we should have emitted an error for them earlier, and they + // would not be well-formed! if polarity != ty::PredicatePolarity::Positive { assert!( self.tcx().dcx().has_errors().is_some(), - "negative trait bounds should not have bindings", + "negative trait bounds should not have assoc item constraints", ); continue; } // Specify type to assert that error was already reported in `Err` case. - let _: Result<_, ErrorGuaranteed> = self.lower_assoc_item_binding( + let _: Result<_, ErrorGuaranteed> = self.lower_assoc_item_constraint( trait_ref.hir_ref_id, poly_trait_ref, - binding, + constraint, bounds, - &mut dup_bindings, - binding.span, + &mut dup_constraints, + constraint.span, only_self_bounds, ); // Okay to ignore `Err` because of `ErrorGuaranteed` (see above). @@ -766,8 +767,12 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { Some(self_ty), constness, ); - if let Some(b) = trait_segment.args().bindings.first() { - prohibit_assoc_item_binding(self.tcx(), b, Some((trait_def_id, trait_segment, span))); + if let Some(c) = trait_segment.args().constraints.first() { + prohibit_assoc_item_constraint( + self.tcx(), + c, + Some((trait_def_id, trait_segment, span)), + ); } ty::TraitRef::new(self.tcx(), trait_def_id, generic_args) } @@ -849,7 +854,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { /// /// This fails if there is no such bound in the list of candidates or if there are multiple /// candidates in which case it reports ambiguity. - #[instrument(level = "debug", skip(self, all_candidates, ty_param_name, binding), ret)] + #[instrument(level = "debug", skip(self, all_candidates, ty_param_name, constraint), ret)] fn probe_single_bound_for_assoc_item( &self, all_candidates: impl Fn() -> I, @@ -858,7 +863,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { assoc_kind: ty::AssocKind, assoc_name: Ident, span: Span, - binding: Option<&hir::TypeBinding<'tcx>>, + constraint: Option<&hir::AssocItemConstraint<'tcx>>, ) -> Result, ErrorGuaranteed> where I: Iterator>, @@ -877,7 +882,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { assoc_kind, assoc_name, span, - binding, + constraint, ); self.set_tainted_by_errors(reported); return Err(reported); @@ -897,8 +902,8 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { }); // Provide a more specific error code index entry for equality bindings. err.code( - if let Some(binding) = binding - && let hir::TypeBindingKind::Equality { .. } = binding.kind + if let Some(constraint) = constraint + && let hir::AssocItemConstraintKind::Equality { .. } = constraint.kind { E0222 } else { @@ -906,7 +911,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { }, ); - // FIXME(#97583): Resugar equality bounds to type/const bindings. + // FIXME(#97583): Print associated item bindings properly (i.e., not as equality predicates!). // FIXME: Turn this into a structured, translateable & more actionable suggestion. let mut where_bounds = vec![]; for bound in [bound, bound2].into_iter().chain(matching_candidates) { @@ -921,9 +926,9 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { bound_span, format!("ambiguous `{assoc_name}` from `{}`", bound.print_trait_sugared(),), ); - if let Some(binding) = binding { - match binding.kind { - hir::TypeBindingKind::Equality { term } => { + if let Some(constraint) = constraint { + match constraint.kind { + hir::AssocItemConstraintKind::Equality { term } => { let term: ty::Term<'_> = match term { hir::Term::Ty(ty) => self.lower_ty(ty).into(), hir::Term::Const(ct) => { @@ -937,7 +942,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { )); } // FIXME: Provide a suggestion. - hir::TypeBindingKind::Constraint { bounds: _ } => {} + hir::AssocItemConstraintKind::Bound { bounds: _ } => {} } } else { err.span_suggestion_verbose( @@ -1545,8 +1550,8 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { for segment in segments { // Only emit the first error to avoid overloading the user with error messages. - if let Some(b) = segment.args().bindings.first() { - return Err(prohibit_assoc_item_binding(self.tcx(), b, None)); + if let Some(c) = segment.args().constraints.first() { + return Err(prohibit_assoc_item_constraint(self.tcx(), c, None)); } } diff --git a/compiler/rustc_hir_analysis/src/structured_errors/wrong_number_of_generic_args.rs b/compiler/rustc_hir_analysis/src/structured_errors/wrong_number_of_generic_args.rs index 9ddba7a6e7a9..5d435a8edf9f 100644 --- a/compiler/rustc_hir_analysis/src/structured_errors/wrong_number_of_generic_args.rs +++ b/compiler/rustc_hir_analysis/src/structured_errors/wrong_number_of_generic_args.rs @@ -489,7 +489,11 @@ impl<'a, 'tcx> WrongNumberOfGenericArgs<'a, 'tcx> { .in_definition_order() .filter(|item| item.kind == AssocKind::Type) .filter(|item| { - !self.gen_args.bindings.iter().any(|binding| binding.ident.name == item.name) + !self + .gen_args + .constraints + .iter() + .any(|constraint| constraint.ident.name == item.name) }) .map(|item| item.name.to_ident_string()) .collect() @@ -679,11 +683,11 @@ impl<'a, 'tcx> WrongNumberOfGenericArgs<'a, 'tcx> { (last_lt.span().shrink_to_hi(), false) }; let has_non_lt_args = self.num_provided_type_or_const_args() != 0; - let has_bindings = !self.gen_args.bindings.is_empty(); + let has_constraints = !self.gen_args.constraints.is_empty(); let sugg_prefix = if is_first { "" } else { ", " }; let sugg_suffix = - if is_first && (has_non_lt_args || has_bindings) { ", " } else { "" }; + if is_first && (has_non_lt_args || has_constraints) { ", " } else { "" }; let sugg = format!("{sugg_prefix}{suggested_args}{sugg_suffix}"); debug!("sugg: {:?}", sugg); @@ -741,7 +745,7 @@ impl<'a, 'tcx> WrongNumberOfGenericArgs<'a, 'tcx> { let sugg_prefix = if is_first { "" } else { ", " }; let sugg_suffix = - if is_first && !self.gen_args.bindings.is_empty() { ", " } else { "" }; + if is_first && !self.gen_args.constraints.is_empty() { ", " } else { "" }; let sugg = format!("{sugg_prefix}{suggested_args}{sugg_suffix}"); debug!("sugg: {:?}", sugg); diff --git a/compiler/rustc_hir_pretty/src/lib.rs b/compiler/rustc_hir_pretty/src/lib.rs index 488537e81bec..413d50dff514 100644 --- a/compiler/rustc_hir_pretty/src/lib.rs +++ b/compiler/rustc_hir_pretty/src/lib.rs @@ -90,7 +90,7 @@ impl<'a> State<'a> { Node::Stmt(a) => self.print_stmt(a), Node::PathSegment(a) => self.print_path_segment(a), Node::Ty(a) => self.print_type(a), - Node::TypeBinding(a) => self.print_type_binding(a), + Node::AssocItemConstraint(a) => self.print_assoc_item_constraint(a), Node::TraitRef(a) => self.print_trait_ref(a), Node::Pat(a) => self.print_pat(a), Node::PatField(a) => self.print_patfield(a), @@ -1136,7 +1136,7 @@ impl<'a> State<'a> { self.print_ident(segment.ident); let generic_args = segment.args(); - if !generic_args.args.is_empty() || !generic_args.bindings.is_empty() { + if !generic_args.args.is_empty() || !generic_args.constraints.is_empty() { self.print_generic_args(generic_args, true); } @@ -1677,9 +1677,9 @@ impl<'a> State<'a> { }); } - for binding in generic_args.bindings { + for constraint in generic_args.constraints { start_or_comma(self); - self.print_type_binding(binding); + self.print_assoc_item_constraint(constraint); } if !empty.get() { @@ -1687,13 +1687,15 @@ impl<'a> State<'a> { } } hir::GenericArgsParentheses::ParenSugar => { + let (inputs, output) = generic_args.paren_sugar_inputs_output().unwrap(); + self.word("("); - self.commasep(Inconsistent, generic_args.inputs(), |s, ty| s.print_type(ty)); + self.commasep(Inconsistent, inputs, |s, ty| s.print_type(ty)); self.word(")"); self.space_if_not_bol(); self.word_space("->"); - self.print_type(generic_args.bindings[0].ty()); + self.print_type(output); } hir::GenericArgsParentheses::ReturnTypeNotation => { self.word("(..)"); @@ -1701,19 +1703,19 @@ impl<'a> State<'a> { } } - fn print_type_binding(&mut self, binding: &hir::TypeBinding<'_>) { - self.print_ident(binding.ident); - self.print_generic_args(binding.gen_args, false); + fn print_assoc_item_constraint(&mut self, constraint: &hir::AssocItemConstraint<'_>) { + self.print_ident(constraint.ident); + self.print_generic_args(constraint.gen_args, false); self.space(); - match binding.kind { - hir::TypeBindingKind::Equality { ref term } => { + match constraint.kind { + hir::AssocItemConstraintKind::Equality { ref term } => { self.word_space("="); match term { Term::Ty(ty) => self.print_type(ty), Term::Const(ref c) => self.print_anon_const(c), } } - hir::TypeBindingKind::Constraint { bounds } => { + hir::AssocItemConstraintKind::Bound { bounds } => { self.print_bounds(":", bounds); } } diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs index cfd4dd4d1dd0..b3836fbb793f 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs @@ -848,19 +848,18 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { && let [hir::GenericBound::Trait(trait_ref, _)] = op_ty.bounds && let Some(hir::PathSegment { args: Some(generic_args), .. }) = trait_ref.trait_ref.path.segments.last() - && let hir::GenericArgs { bindings: [ty_binding], .. } = generic_args - && let hir::TypeBindingKind::Equality { term: hir::Term::Ty(term) } = - ty_binding.kind + && let [constraint] = generic_args.constraints + && let Some(ty) = constraint.ty() { // Check if async function's return type was omitted. // Don't emit suggestions if the found type is `impl Future<...>`. debug!(?found); if found.is_suggestable(self.tcx, false) { - if term.span.is_empty() { + if ty.span.is_empty() { err.subdiagnostic( self.dcx(), errors::AddReturnTypeSuggestion::Add { - span: term.span, + span: ty.span, found: found.to_string(), }, ); @@ -868,10 +867,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } else { err.subdiagnostic( self.dcx(), - errors::ExpectedReturnTypeLabel::Other { - span: term.span, - expected, - }, + errors::ExpectedReturnTypeLabel::Other { span: ty.span, expected }, ); } } diff --git a/compiler/rustc_middle/src/hir/map/mod.rs b/compiler/rustc_middle/src/hir/map/mod.rs index b17af47fbcd4..173c8ce83751 100644 --- a/compiler/rustc_middle/src/hir/map/mod.rs +++ b/compiler/rustc_middle/src/hir/map/mod.rs @@ -901,7 +901,7 @@ impl<'hir> Map<'hir> { .with_hi(seg.args.map_or_else(|| ident_span.hi(), |args| args.span_ext.hi())) } Node::Ty(ty) => ty.span, - Node::TypeBinding(tb) => tb.span, + Node::AssocItemConstraint(constraint) => constraint.span, Node::TraitRef(tr) => tr.path.span, Node::Pat(pat) => pat.span, Node::PatField(field) => field.span, @@ -1167,7 +1167,7 @@ fn hir_id_to_string(map: Map<'_>, id: HirId) -> String { Node::Stmt(_) => node_str("stmt"), Node::PathSegment(_) => node_str("path segment"), Node::Ty(_) => node_str("type"), - Node::TypeBinding(_) => node_str("type binding"), + Node::AssocItemConstraint(_) => node_str("assoc item constraint"), Node::TraitRef(_) => node_str("trait ref"), Node::Pat(_) => node_str("pat"), Node::PatField(_) => node_str("pattern field"), diff --git a/compiler/rustc_parse/src/parser/path.rs b/compiler/rustc_parse/src/parser/path.rs index d845e8ab90d5..fcedc1a4af3a 100644 --- a/compiler/rustc_parse/src/parser/path.rs +++ b/compiler/rustc_parse/src/parser/path.rs @@ -7,8 +7,8 @@ use ast::token::IdentIsRaw; use rustc_ast::ptr::P; use rustc_ast::token::{self, Delimiter, Token, TokenKind}; use rustc_ast::{ - self as ast, AngleBracketedArg, AngleBracketedArgs, AnonConst, AssocConstraint, - AssocConstraintKind, BlockCheckMode, GenericArg, GenericArgs, Generics, ParenthesizedArgs, + self as ast, AngleBracketedArg, AngleBracketedArgs, AnonConst, AssocItemConstraint, + AssocItemConstraintKind, BlockCheckMode, GenericArg, GenericArgs, Generics, ParenthesizedArgs, Path, PathSegment, QSelf, }; use rustc_errors::{Applicability, Diag, PResult}; @@ -720,10 +720,7 @@ impl<'a> Parser<'a> { )); } let kind = if self.eat(&token::Colon) { - // Parse associated type constraint bound. - - let bounds = self.parse_generic_bounds()?; - AssocConstraintKind::Bound { bounds } + AssocItemConstraintKind::Bound { bounds: self.parse_generic_bounds()? } } else if self.eat(&token::Eq) { self.parse_assoc_equality_term( ident, @@ -735,17 +732,17 @@ impl<'a> Parser<'a> { }; let span = lo.to(self.prev_token.span); - // Gate associated type bounds, e.g., `Iterator`. - if let AssocConstraintKind::Bound { .. } = kind { - if let Some(ast::GenericArgs::Parenthesized(args)) = &gen_args - && args.inputs.is_empty() - && matches!(args.output, ast::FnRetTy::Default(..)) - { - self.psess.gated_spans.gate(sym::return_type_notation, span); - } + + if let AssocItemConstraintKind::Bound { .. } = kind + && let Some(ast::GenericArgs::Parenthesized(args)) = &gen_args + && args.inputs.is_empty() + && let ast::FnRetTy::Default(..) = args.output + { + self.psess.gated_spans.gate(sym::return_type_notation, span); } + let constraint = - AssocConstraint { id: ast::DUMMY_NODE_ID, ident, gen_args, kind, span }; + AssocItemConstraint { id: ast::DUMMY_NODE_ID, ident, gen_args, kind, span }; Ok(Some(AngleBracketedArg::Constraint(constraint))) } else { // we only want to suggest `:` and `=` in contexts where the previous token @@ -772,7 +769,7 @@ impl<'a> Parser<'a> { ident: Ident, gen_args: Option<&GenericArgs>, eq: Span, - ) -> PResult<'a, AssocConstraintKind> { + ) -> PResult<'a, AssocItemConstraintKind> { let arg = self.parse_generic_arg(None)?; let span = ident.span.to(self.prev_token.span); let term = match arg { @@ -820,7 +817,7 @@ impl<'a> Parser<'a> { return Err(err); } }; - Ok(AssocConstraintKind::Equality { term }) + Ok(AssocItemConstraintKind::Equality { term }) } /// We do not permit arbitrary expressions as const arguments. They must be one of: @@ -941,7 +938,7 @@ impl<'a> Parser<'a> { } /// Given a arg inside of generics, we try to destructure it as if it were the LHS in - /// `LHS = ...`, i.e. an associated type binding. + /// `LHS = ...`, i.e. an associated item binding. /// This returns a bool indicating if there are any `for<'a, 'b>` binder args, the /// identifier, and any GAT arguments. fn get_ident_from_generic_arg( diff --git a/compiler/rustc_passes/src/hir_stats.rs b/compiler/rustc_passes/src/hir_stats.rs index a980d5dcaba4..bfc2c7b89b03 100644 --- a/compiler/rustc_passes/src/hir_stats.rs +++ b/compiler/rustc_passes/src/hir_stats.rs @@ -477,9 +477,9 @@ impl<'v> hir_visit::Visitor<'v> for StatCollector<'v> { hir_visit::walk_generic_args(self, ga) } - fn visit_assoc_type_binding(&mut self, type_binding: &'v hir::TypeBinding<'v>) { - self.record("TypeBinding", Id::Node(type_binding.hir_id), type_binding); - hir_visit::walk_assoc_type_binding(self, type_binding) + fn visit_assoc_item_constraint(&mut self, constraint: &'v hir::AssocItemConstraint<'v>) { + self.record("AssocItemConstraint", Id::Node(constraint.hir_id), constraint); + hir_visit::walk_assoc_item_constraint(self, constraint) } fn visit_attribute(&mut self, attr: &'v ast::Attribute) { @@ -688,7 +688,7 @@ impl<'v> ast_visit::Visitor<'v> for StatCollector<'v> { ast_visit::walk_path_segment(self, path_segment) } - // `GenericArgs` has one inline use (in `ast::AssocConstraint::gen_args`) and one + // `GenericArgs` has one inline use (in `ast::AssocItemConstraint::gen_args`) and one // non-inline use (in `ast::PathSegment::args`). The latter case is more // common, so we implement `visit_generic_args` and tolerate the double // counting in the former case. diff --git a/compiler/rustc_resolve/src/late.rs b/compiler/rustc_resolve/src/late.rs index 63d0d6c260db..0c1726a4b653 100644 --- a/compiler/rustc_resolve/src/late.rs +++ b/compiler/rustc_resolve/src/late.rs @@ -1148,7 +1148,7 @@ impl<'a: 'ast, 'ast, 'tcx> Visitor<'ast> for LateResolutionVisitor<'a, '_, 'ast, self.diag_metadata.currently_processing_generic_args = prev; } - fn visit_assoc_constraint(&mut self, constraint: &'ast AssocConstraint) { + fn visit_assoc_item_constraint(&mut self, constraint: &'ast AssocItemConstraint) { self.visit_ident(constraint.ident); if let Some(ref gen_args) = constraint.gen_args { // Forbid anonymous lifetimes in GAT parameters until proper semantics are decided. @@ -1157,13 +1157,13 @@ impl<'a: 'ast, 'ast, 'tcx> Visitor<'ast> for LateResolutionVisitor<'a, '_, 'ast, }); } match constraint.kind { - AssocConstraintKind::Equality { ref term } => match term { + AssocItemConstraintKind::Equality { ref term } => match term { Term::Ty(ty) => self.visit_ty(ty), Term::Const(c) => { self.resolve_anon_const(c, AnonConstKind::ConstArg(IsRepeatExpr::No)) } }, - AssocConstraintKind::Bound { ref bounds } => { + AssocItemConstraintKind::Bound { ref bounds } => { self.record_lifetime_params_for_impl_trait(constraint.id); walk_list!(self, visit_param_bound, bounds, BoundKind::Bound); } diff --git a/compiler/rustc_resolve/src/late/diagnostics.rs b/compiler/rustc_resolve/src/late/diagnostics.rs index 9daa22f89d2c..ec24eac4a9d0 100644 --- a/compiler/rustc_resolve/src/late/diagnostics.rs +++ b/compiler/rustc_resolve/src/late/diagnostics.rs @@ -508,7 +508,7 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { let ast::AngleBracketedArg::Constraint(constraint) = param else { continue; }; - let ast::AssocConstraintKind::Bound { bounds } = &constraint.kind else { + let ast::AssocItemConstraintKind::Bound { bounds } = &constraint.kind else { continue; }; for bound in bounds { @@ -3390,11 +3390,11 @@ fn mk_where_bound_predicate( }; let mut segments = ThinVec::from(preceding); - let added_constraint = ast::AngleBracketedArg::Constraint(ast::AssocConstraint { + let added_constraint = ast::AngleBracketedArg::Constraint(ast::AssocItemConstraint { id: DUMMY_NODE_ID, ident: last.ident, gen_args: None, - kind: ast::AssocConstraintKind::Equality { + kind: ast::AssocItemConstraintKind::Equality { term: ast::Term::Ty(ast::ptr::P(ast::Ty { kind: ast::TyKind::Path(None, poly_trait_ref.trait_ref.path.clone()), id: DUMMY_NODE_ID, diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs index 6c56ebb62aed..7a61e77609b0 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs @@ -450,7 +450,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { } /// When after several dereferencing, the reference satisfies the trait - /// binding. This function provides dereference suggestion for this + /// bound. This function provides dereference suggestion for this /// specific situation. fn suggest_dereferences( &self, @@ -777,7 +777,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { } /// We tried to apply the bound to an `fn` or closure. Check whether calling it would - /// evaluate to a type that *would* satisfy the trait binding. If it would, suggest calling + /// evaluate to a type that *would* satisfy the trait bound. If it would, suggest calling /// it: `bar(foo)` → `bar(foo())`. This case is *very* likely to be hit if `foo` is `async`. fn suggest_fn_call( &self, @@ -1241,7 +1241,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { let param_env = obligation.param_env; - // Try to apply the original trait binding obligation by borrowing. + // Try to apply the original trait bound by borrowing. let mut try_borrowing = |old_pred: ty::PolyTraitPredicate<'tcx>, blacklist: &[DefId]| -> bool { @@ -4908,14 +4908,12 @@ pub fn suggest_desugaring_async_fn_to_impl_future_in_trait<'tcx>( // `async fn` should always lower to a single bound... but don't ICE. return None; }; - let Some(hir::PathSegment { args: Some(generics), .. }) = - trait_ref.trait_ref.path.segments.last() + let Some(hir::PathSegment { args: Some(args), .. }) = trait_ref.trait_ref.path.segments.last() else { // desugaring to a single path segment for `Future<...>`. return None; }; - let Some(hir::TypeBindingKind::Equality { term: hir::Term::Ty(future_output_ty) }) = - generics.bindings.get(0).map(|binding| binding.kind) + let Some(future_output_ty) = args.constraints.first().and_then(|constraint| constraint.ty()) else { // Also should never happen. return None; diff --git a/src/librustdoc/clean/auto_trait.rs b/src/librustdoc/clean/auto_trait.rs index bccad29e0a98..ac927e9a1942 100644 --- a/src/librustdoc/clean/auto_trait.rs +++ b/src/librustdoc/clean/auto_trait.rs @@ -11,7 +11,7 @@ use thin_vec::ThinVec; use crate::clean::{self, simplify, Lifetime}; use crate::clean::{ - clean_generic_param_def, clean_middle_ty, clean_predicate, clean_trait_ref_with_bindings, + clean_generic_param_def, clean_middle_ty, clean_predicate, clean_trait_ref_with_constraints, clean_ty_generics, }; use crate::core::DocContext; @@ -121,7 +121,7 @@ fn synthesize_auto_trait_impl<'tcx>( kind: Box::new(clean::ImplItem(Box::new(clean::Impl { safety: hir::Safety::Safe, generics, - trait_: Some(clean_trait_ref_with_bindings(cx, trait_ref, ThinVec::new())), + trait_: Some(clean_trait_ref_with_constraints(cx, trait_ref, ThinVec::new())), for_: clean_middle_ty(ty::Binder::dummy(ty), cx, None, None), items: Vec::new(), polarity, diff --git a/src/librustdoc/clean/blanket_impl.rs b/src/librustdoc/clean/blanket_impl.rs index 29be3a70d54b..4c7a2ecdb53f 100644 --- a/src/librustdoc/clean/blanket_impl.rs +++ b/src/librustdoc/clean/blanket_impl.rs @@ -10,7 +10,7 @@ use thin_vec::ThinVec; use crate::clean; use crate::clean::{ - clean_middle_assoc_item, clean_middle_ty, clean_trait_ref_with_bindings, clean_ty_generics, + clean_middle_assoc_item, clean_middle_ty, clean_trait_ref_with_constraints, clean_ty_generics, }; use crate::core::DocContext; @@ -95,7 +95,7 @@ pub(crate) fn synthesize_blanket_impls( ), // FIXME(eddyb) compute both `trait_` and `for_` from // the post-inference `trait_ref`, as it's more accurate. - trait_: Some(clean_trait_ref_with_bindings( + trait_: Some(clean_trait_ref_with_constraints( cx, ty::Binder::dummy(trait_ref.instantiate_identity()), ThinVec::new(), diff --git a/src/librustdoc/clean/inline.rs b/src/librustdoc/clean/inline.rs index 2919a4c4beb0..c7366ce1a68c 100644 --- a/src/librustdoc/clean/inline.rs +++ b/src/librustdoc/clean/inline.rs @@ -20,7 +20,7 @@ use rustc_span::symbol::{kw, sym, Symbol}; use crate::clean::{ self, clean_bound_vars, clean_generics, clean_impl_item, clean_middle_assoc_item, - clean_middle_field, clean_middle_ty, clean_poly_fn_sig, clean_trait_ref_with_bindings, + clean_middle_field, clean_middle_ty, clean_poly_fn_sig, clean_trait_ref_with_constraints, clean_ty, clean_ty_alias_inner_type, clean_ty_generics, clean_variant_def, utils, Attributes, AttributesExt, ImplKind, ItemId, Type, }; @@ -566,7 +566,7 @@ pub(crate) fn build_impl( }; let polarity = tcx.impl_polarity(did); let trait_ = associated_trait - .map(|t| clean_trait_ref_with_bindings(cx, ty::Binder::dummy(t), ThinVec::new())); + .map(|t| clean_trait_ref_with_constraints(cx, ty::Binder::dummy(t), ThinVec::new())); if trait_.as_ref().map(|t| t.def_id()) == tcx.lang_items().deref_trait() { super::build_deref_target_impls(cx, &trait_items, ret); } @@ -688,7 +688,7 @@ fn build_module_items( name: prim_ty.as_sym(), args: clean::GenericArgs::AngleBracketed { args: Default::default(), - bindings: ThinVec::new(), + constraints: ThinVec::new(), }, }], }, diff --git a/src/librustdoc/clean/mod.rs b/src/librustdoc/clean/mod.rs index 73737da482d0..839bfdf44af1 100644 --- a/src/librustdoc/clean/mod.rs +++ b/src/librustdoc/clean/mod.rs @@ -231,10 +231,10 @@ fn clean_generic_bound<'tcx>( }) } -pub(crate) fn clean_trait_ref_with_bindings<'tcx>( +pub(crate) fn clean_trait_ref_with_constraints<'tcx>( cx: &mut DocContext<'tcx>, trait_ref: ty::PolyTraitRef<'tcx>, - bindings: ThinVec, + constraints: ThinVec, ) -> Path { let kind = cx.tcx.def_kind(trait_ref.def_id()).into(); if !matches!(kind, ItemType::Trait | ItemType::TraitAlias) { @@ -245,7 +245,7 @@ pub(crate) fn clean_trait_ref_with_bindings<'tcx>( cx, trait_ref.def_id(), true, - bindings, + constraints, trait_ref.map_bound(|tr| tr.args), ); @@ -254,14 +254,14 @@ pub(crate) fn clean_trait_ref_with_bindings<'tcx>( path } -fn clean_poly_trait_ref_with_bindings<'tcx>( +fn clean_poly_trait_ref_with_constraints<'tcx>( cx: &mut DocContext<'tcx>, poly_trait_ref: ty::PolyTraitRef<'tcx>, - bindings: ThinVec, + constraints: ThinVec, ) -> GenericBound { GenericBound::TraitBound( PolyTrait { - trait_: clean_trait_ref_with_bindings(cx, poly_trait_ref, bindings), + trait_: clean_trait_ref_with_constraints(cx, poly_trait_ref, constraints), generic_params: clean_bound_vars(poly_trait_ref.bound_vars()), }, hir::TraitBoundModifier::None, @@ -395,7 +395,7 @@ fn clean_poly_trait_predicate<'tcx>( let poly_trait_ref = pred.map_bound(|pred| pred.trait_ref); Some(WherePredicate::BoundPredicate { ty: clean_middle_ty(poly_trait_ref.self_ty(), cx, None, None), - bounds: vec![clean_poly_trait_ref_with_bindings(cx, poly_trait_ref, ThinVec::new())], + bounds: vec![clean_poly_trait_ref_with_constraints(cx, poly_trait_ref, ThinVec::new())], bound_params: Vec::new(), }) } @@ -481,8 +481,11 @@ fn clean_projection<'tcx>( return clean_middle_opaque_bounds(cx, bounds); } - let trait_ = - clean_trait_ref_with_bindings(cx, ty.map_bound(|ty| ty.trait_ref(cx.tcx)), ThinVec::new()); + let trait_ = clean_trait_ref_with_constraints( + cx, + ty.map_bound(|ty| ty.trait_ref(cx.tcx)), + ThinVec::new(), + ); let self_type = clean_middle_ty(ty.map_bound(|ty| ty.self_ty()), cx, None, None); let self_def_id = if let Some(def_id) = def_id { cx.tcx.opt_parent(def_id).or(Some(def_id)) @@ -522,7 +525,7 @@ fn projection_to_path_segment<'tcx>( def_id, ) .into(), - bindings: Default::default(), + constraints: Default::default(), }, } } @@ -1453,8 +1456,8 @@ pub(crate) fn clean_middle_assoc_item<'tcx>( _ => return true, } match &assoc.args { - GenericArgs::AngleBracketed { args, bindings } => { - if !bindings.is_empty() + GenericArgs::AngleBracketed { args, constraints } => { + if !constraints.is_empty() || generics .params .iter() @@ -2135,7 +2138,7 @@ pub(crate) fn clean_middle_ty<'tcx>( let bindings = obj .projection_bounds() - .map(|pb| TypeBinding { + .map(|pb| AssocItemConstraint { assoc: projection_to_path_segment( pb.map_bound(|pb| { pb @@ -2149,7 +2152,7 @@ pub(crate) fn clean_middle_ty<'tcx>( }), cx, ), - kind: TypeBindingKind::Equality { + kind: AssocItemConstraintKind::Equality { term: clean_middle_term(pb.map_bound(|pb| pb.term), cx), }, }) @@ -2198,7 +2201,7 @@ pub(crate) fn clean_middle_ty<'tcx>( def_id, ) .into(), - bindings: Default::default(), + constraints: Default::default(), }, }, should_show_cast: false, @@ -2304,14 +2307,14 @@ fn clean_middle_opaque_bounds<'tcx>( .filter_map(|bound| { if let ty::ClauseKind::Projection(proj) = bound.kind().skip_binder() { if proj.projection_term.trait_ref(cx.tcx) == trait_ref.skip_binder() { - Some(TypeBinding { + Some(AssocItemConstraint { assoc: projection_to_path_segment( // FIXME: This needs to be made resilient for `AliasTerm`s that // are associated consts. bound.kind().rebind(proj.projection_term.expect_ty(cx.tcx)), cx, ), - kind: TypeBindingKind::Equality { + kind: AssocItemConstraintKind::Equality { term: clean_middle_term(bound.kind().rebind(proj.term), cx), }, }) @@ -2324,7 +2327,7 @@ fn clean_middle_opaque_bounds<'tcx>( }) .collect(); - Some(clean_poly_trait_ref_with_bindings(cx, trait_ref, bindings)) + Some(clean_poly_trait_ref_with_constraints(cx, trait_ref, bindings)) }) .collect::>(); @@ -2505,11 +2508,12 @@ fn clean_generic_args<'tcx>( cx: &mut DocContext<'tcx>, ) -> GenericArgs { // FIXME(return_type_notation): Fix RTN parens rendering - if generic_args.parenthesized == hir::GenericArgsParentheses::ParenSugar { - let output = clean_ty(generic_args.bindings[0].ty(), cx); - let output = if output != Type::Tuple(Vec::new()) { Some(Box::new(output)) } else { None }; - let inputs = - generic_args.inputs().iter().map(|x| clean_ty(x, cx)).collect::>().into(); + if let Some((inputs, output)) = generic_args.paren_sugar_inputs_output() { + let inputs = inputs.iter().map(|x| clean_ty(x, cx)).collect::>().into(); + let output = match output.kind { + hir::TyKind::Tup(&[]) => None, + _ => Some(Box::new(clean_ty(output, cx))), + }; GenericArgs::Parenthesized { inputs, output } } else { let args = generic_args @@ -2536,9 +2540,12 @@ fn clean_generic_args<'tcx>( }) .collect::>() .into(); - let bindings = - generic_args.bindings.iter().map(|x| clean_type_binding(x, cx)).collect::>(); - GenericArgs::AngleBracketed { args, bindings } + let constraints = generic_args + .constraints + .iter() + .map(|c| clean_assoc_item_constraint(c, cx)) + .collect::>(); + GenericArgs::AngleBracketed { args, constraints } } } @@ -3107,20 +3114,20 @@ fn clean_maybe_renamed_foreign_item<'tcx>( }) } -fn clean_type_binding<'tcx>( - type_binding: &hir::TypeBinding<'tcx>, +fn clean_assoc_item_constraint<'tcx>( + constraint: &hir::AssocItemConstraint<'tcx>, cx: &mut DocContext<'tcx>, -) -> TypeBinding { - TypeBinding { +) -> AssocItemConstraint { + AssocItemConstraint { assoc: PathSegment { - name: type_binding.ident.name, - args: clean_generic_args(type_binding.gen_args, cx), + name: constraint.ident.name, + args: clean_generic_args(constraint.gen_args, cx), }, - kind: match type_binding.kind { - hir::TypeBindingKind::Equality { ref term } => { - TypeBindingKind::Equality { term: clean_hir_term(term, cx) } + kind: match constraint.kind { + hir::AssocItemConstraintKind::Equality { ref term } => { + AssocItemConstraintKind::Equality { term: clean_hir_term(term, cx) } } - hir::TypeBindingKind::Constraint { bounds } => TypeBindingKind::Constraint { + hir::AssocItemConstraintKind::Bound { bounds } => AssocItemConstraintKind::Bound { bounds: bounds.iter().filter_map(|b| clean_generic_bound(b, cx)).collect(), }, }, diff --git a/src/librustdoc/clean/simplify.rs b/src/librustdoc/clean/simplify.rs index 5a3ccb6239a0..af61eb6ae8de 100644 --- a/src/librustdoc/clean/simplify.rs +++ b/src/librustdoc/clean/simplify.rs @@ -90,10 +90,10 @@ pub(crate) fn merge_bounds( let last = trait_ref.trait_.segments.last_mut().expect("segments were empty"); match last.args { - PP::AngleBracketed { ref mut bindings, .. } => { - bindings.push(clean::TypeBinding { + PP::AngleBracketed { ref mut constraints, .. } => { + constraints.push(clean::AssocItemConstraint { assoc: assoc.clone(), - kind: clean::TypeBindingKind::Equality { term: rhs.clone() }, + kind: clean::AssocItemConstraintKind::Equality { term: rhs.clone() }, }); } PP::Parenthesized { ref mut output, .. } => match output { diff --git a/src/librustdoc/clean/types.rs b/src/librustdoc/clean/types.rs index 7aab07c06a33..ce4e044336a4 100644 --- a/src/librustdoc/clean/types.rs +++ b/src/librustdoc/clean/types.rs @@ -1627,9 +1627,9 @@ impl Type { if let Type::ImplTrait(mut v) = self && let Some(GenericBound::TraitBound(PolyTrait { mut trait_, .. }, _)) = v.pop() && let Some(segment) = trait_.segments.pop() - && let GenericArgs::AngleBracketed { mut bindings, .. } = segment.args - && let Some(binding) = bindings.pop() - && let TypeBindingKind::Equality { term } = binding.kind + && let GenericArgs::AngleBracketed { mut constraints, .. } = segment.args + && let Some(constraint) = constraints.pop() + && let AssocItemConstraintKind::Equality { term } = constraint.kind && let Term::Type(ty) = term { ty @@ -2259,34 +2259,38 @@ impl GenericArg { #[derive(Clone, PartialEq, Eq, Debug, Hash)] pub(crate) enum GenericArgs { - AngleBracketed { args: Box<[GenericArg]>, bindings: ThinVec }, + AngleBracketed { args: Box<[GenericArg]>, constraints: ThinVec }, Parenthesized { inputs: Box<[Type]>, output: Option> }, } impl GenericArgs { pub(crate) fn is_empty(&self) -> bool { match self { - GenericArgs::AngleBracketed { args, bindings } => { - args.is_empty() && bindings.is_empty() + GenericArgs::AngleBracketed { args, constraints } => { + args.is_empty() && constraints.is_empty() } GenericArgs::Parenthesized { inputs, output } => inputs.is_empty() && output.is_none(), } } - pub(crate) fn bindings<'a>(&'a self) -> Box + 'a> { + pub(crate) fn constraints<'a>(&'a self) -> Box + 'a> { match self { - GenericArgs::AngleBracketed { bindings, .. } => Box::new(bindings.iter().cloned()), + GenericArgs::AngleBracketed { constraints, .. } => { + Box::new(constraints.iter().cloned()) + } GenericArgs::Parenthesized { output, .. } => Box::new( output .as_ref() - .map(|ty| TypeBinding { + .map(|ty| AssocItemConstraint { assoc: PathSegment { name: sym::Output, args: GenericArgs::AngleBracketed { args: Vec::new().into_boxed_slice(), - bindings: ThinVec::new(), + constraints: ThinVec::new(), }, }, - kind: TypeBindingKind::Equality { term: Term::Type((**ty).clone()) }, + kind: AssocItemConstraintKind::Equality { + term: Term::Type((**ty).clone()), + }, }) .into_iter(), ), @@ -2545,18 +2549,27 @@ pub(crate) struct ProcMacro { pub(crate) helpers: Vec, } -/// An type binding on an associated type (e.g., `A = Bar` in `Foo` or -/// `A: Send + Sync` in `Foo`). +/// A constraint on an associated item. +/// +/// ### Examples +/// +/// * the `A = Ty` and `B = Ty` in `Trait` +/// * the `G = Ty` in `Trait = Ty>` +/// * the `A: Bound` in `Trait` +/// * the `RetTy` in `Trait(ArgTy, ArgTy) -> RetTy` +/// * the `C = { Ct }` in `Trait` (feature `associated_const_equality`) +/// * the `f(): Bound` in `Trait` (feature `return_type_notation`) #[derive(Clone, PartialEq, Eq, Debug, Hash)] -pub(crate) struct TypeBinding { +pub(crate) struct AssocItemConstraint { pub(crate) assoc: PathSegment, - pub(crate) kind: TypeBindingKind, + pub(crate) kind: AssocItemConstraintKind, } +/// The kind of [associated item constraint][AssocItemConstraint]. #[derive(Clone, PartialEq, Eq, Debug, Hash)] -pub(crate) enum TypeBindingKind { +pub(crate) enum AssocItemConstraintKind { Equality { term: Term }, - Constraint { bounds: Vec }, + Bound { bounds: Vec }, } // Some nodes are used a lot. Make sure they don't unintentionally get bigger. diff --git a/src/librustdoc/clean/utils.rs b/src/librustdoc/clean/utils.rs index aa923cc61173..995a4d6d48de 100644 --- a/src/librustdoc/clean/utils.rs +++ b/src/librustdoc/clean/utils.rs @@ -2,9 +2,10 @@ use crate::clean::auto_trait::synthesize_auto_trait_impls; use crate::clean::blanket_impl::synthesize_blanket_impls; use crate::clean::render_macro_matchers::render_macro_matcher; use crate::clean::{ - clean_doc_module, clean_middle_const, clean_middle_region, clean_middle_ty, inline, Crate, - ExternalCrate, Generic, GenericArg, GenericArgs, ImportSource, Item, ItemKind, Lifetime, Path, - PathSegment, Primitive, PrimitiveType, Term, Type, TypeBinding, TypeBindingKind, + clean_doc_module, clean_middle_const, clean_middle_region, clean_middle_ty, inline, + AssocItemConstraint, AssocItemConstraintKind, Crate, ExternalCrate, Generic, GenericArg, + GenericArgs, ImportSource, Item, ItemKind, Lifetime, Path, PathSegment, Primitive, + PrimitiveType, Term, Type, }; use crate::core::DocContext; use crate::html::format::visibility_to_src_with_space; @@ -200,11 +201,11 @@ fn can_elide_generic_arg<'tcx>( actual.skip_binder() == default.skip_binder() } -fn clean_middle_generic_args_with_bindings<'tcx>( +fn clean_middle_generic_args_with_constraints<'tcx>( cx: &mut DocContext<'tcx>, did: DefId, has_self: bool, - bindings: ThinVec, + constraints: ThinVec, ty_args: ty::Binder<'tcx, GenericArgsRef<'tcx>>, ) -> GenericArgs { let args = clean_middle_generic_args(cx, ty_args.map_bound(|args| &args[..]), has_self, did); @@ -219,17 +220,19 @@ fn clean_middle_generic_args_with_bindings<'tcx>( // The trait's first substitution is the one after self, if there is one. match ty.skip_binder().kind() { ty::Tuple(tys) => tys.iter().map(|t| clean_middle_ty(ty.rebind(t), cx, None, None)).collect::>().into(), - _ => return GenericArgs::AngleBracketed { args: args.into(), bindings }, + _ => return GenericArgs::AngleBracketed { args: args.into(), constraints }, }; - let output = bindings.into_iter().next().and_then(|binding| match binding.kind { - TypeBindingKind::Equality { term: Term::Type(ty) } if ty != Type::Tuple(Vec::new()) => { + let output = constraints.into_iter().next().and_then(|binding| match binding.kind { + AssocItemConstraintKind::Equality { term: Term::Type(ty) } + if ty != Type::Tuple(Vec::new()) => + { Some(Box::new(ty)) } _ => None, }); GenericArgs::Parenthesized { inputs, output } } else { - GenericArgs::AngleBracketed { args: args.into(), bindings } + GenericArgs::AngleBracketed { args: args.into(), constraints } } } @@ -237,7 +240,7 @@ pub(super) fn clean_middle_path<'tcx>( cx: &mut DocContext<'tcx>, did: DefId, has_self: bool, - bindings: ThinVec, + constraints: ThinVec, args: ty::Binder<'tcx, GenericArgsRef<'tcx>>, ) -> Path { let def_kind = cx.tcx.def_kind(did); @@ -246,7 +249,7 @@ pub(super) fn clean_middle_path<'tcx>( res: Res::Def(def_kind, did), segments: thin_vec![PathSegment { name, - args: clean_middle_generic_args_with_bindings(cx, did, has_self, bindings, args), + args: clean_middle_generic_args_with_constraints(cx, did, has_self, constraints, args), }], } } diff --git a/src/librustdoc/html/format.rs b/src/librustdoc/html/format.rs index 587c464b0ed1..03555dab5019 100644 --- a/src/librustdoc/html/format.rs +++ b/src/librustdoc/html/format.rs @@ -420,8 +420,8 @@ impl clean::GenericArgs { fn print<'a, 'tcx: 'a>(&'a self, cx: &'a Context<'tcx>) -> impl Display + 'a + Captures<'tcx> { display_fn(move |f| { match self { - clean::GenericArgs::AngleBracketed { args, bindings } => { - if !args.is_empty() || !bindings.is_empty() { + clean::GenericArgs::AngleBracketed { args, constraints } => { + if !args.is_empty() || !constraints.is_empty() { if f.alternate() { f.write_str("<")?; } else { @@ -439,15 +439,15 @@ impl clean::GenericArgs { write!(f, "{}", arg.print(cx))?; } } - for binding in bindings.iter() { + for constraint in constraints.iter() { if comma { f.write_str(", ")?; } comma = true; if f.alternate() { - write!(f, "{:#}", binding.print(cx))?; + write!(f, "{:#}", constraint.print(cx))?; } else { - write!(f, "{}", binding.print(cx))?; + write!(f, "{}", constraint.print(cx))?; } } if f.alternate() { @@ -1699,7 +1699,7 @@ impl clean::ImportSource { } } -impl clean::TypeBinding { +impl clean::AssocItemConstraint { pub(crate) fn print<'a, 'tcx: 'a>( &'a self, cx: &'a Context<'tcx>, @@ -1708,11 +1708,11 @@ impl clean::TypeBinding { f.write_str(self.assoc.name.as_str())?; self.assoc.args.print(cx).fmt(f)?; match self.kind { - clean::TypeBindingKind::Equality { ref term } => { + clean::AssocItemConstraintKind::Equality { ref term } => { f.write_str(" = ")?; term.print(cx).fmt(f)?; } - clean::TypeBindingKind::Constraint { ref bounds } => { + clean::AssocItemConstraintKind::Bound { ref bounds } => { if !bounds.is_empty() { f.write_str(": ")?; print_generic_bounds(bounds, cx).fmt(f)?; diff --git a/src/librustdoc/html/render/search_index.rs b/src/librustdoc/html/render/search_index.rs index e635c1e611de..bc8bdffc3314 100644 --- a/src/librustdoc/html/render/search_index.rs +++ b/src/librustdoc/html/render/search_index.rs @@ -727,7 +727,7 @@ pub(crate) fn get_function_type_for_search<'tcx>( name: *name, args: clean::GenericArgs::AngleBracketed { args: Vec::new().into_boxed_slice(), - bindings: ThinVec::new(), + constraints: ThinVec::new(), }, }) .collect(), @@ -1049,7 +1049,7 @@ fn simplify_fn_type<'tcx, 'a>( // So in here, we can add it directly and look for its own type parameters (so for `Option`, // we will look for them but not for `T`). let mut ty_generics = Vec::new(); - let mut ty_bindings = Vec::new(); + let mut ty_constraints = Vec::new(); if let Some(arg_generics) = arg.generic_args() { for ty in arg_generics.into_iter().filter_map(|gen| match gen { clean::GenericArg::Type(ty) => Some(ty), @@ -1067,14 +1067,14 @@ fn simplify_fn_type<'tcx, 'a>( cache, ); } - for binding in arg_generics.bindings() { - simplify_fn_binding( + for constraint in arg_generics.constraints() { + simplify_fn_constraint( self_, generics, - &binding, + &constraint, tcx, recurse + 1, - &mut ty_bindings, + &mut ty_constraints, rgen, is_return, cache, @@ -1137,7 +1137,7 @@ fn simplify_fn_type<'tcx, 'a>( *stored_bounds = type_bounds; } } - ty_bindings.push(( + ty_constraints.push(( RenderTypeId::AssociatedType(name), vec![RenderType { id: Some(RenderTypeId::Index(idx)), @@ -1152,17 +1152,17 @@ fn simplify_fn_type<'tcx, 'a>( if id.is_some() || !ty_generics.is_empty() { res.push(RenderType { id, - bindings: if ty_bindings.is_empty() { None } else { Some(ty_bindings) }, + bindings: if ty_constraints.is_empty() { None } else { Some(ty_constraints) }, generics: if ty_generics.is_empty() { None } else { Some(ty_generics) }, }); } } } -fn simplify_fn_binding<'tcx, 'a>( +fn simplify_fn_constraint<'tcx, 'a>( self_: Option<&'a Type>, generics: &Generics, - binding: &'a clean::TypeBinding, + constraint: &'a clean::AssocItemConstraint, tcx: TyCtxt<'tcx>, recurse: usize, res: &mut Vec<(RenderTypeId, Vec)>, @@ -1170,9 +1170,9 @@ fn simplify_fn_binding<'tcx, 'a>( is_return: bool, cache: &Cache, ) { - let mut ty_binding_constraints = Vec::new(); - let ty_binding_assoc = RenderTypeId::AssociatedType(binding.assoc.name); - for gen in &binding.assoc.args { + let mut ty_constraints = Vec::new(); + let ty_constrained_assoc = RenderTypeId::AssociatedType(constraint.assoc.name); + for gen in &constraint.assoc.args { match gen { clean::GenericArg::Type(arg) => simplify_fn_type( self_, @@ -1180,7 +1180,7 @@ fn simplify_fn_binding<'tcx, 'a>( &arg, tcx, recurse + 1, - &mut ty_binding_constraints, + &mut ty_constraints, rgen, is_return, cache, @@ -1190,11 +1190,11 @@ fn simplify_fn_binding<'tcx, 'a>( | clean::GenericArg::Infer => {} } } - for binding in binding.assoc.args.bindings() { - simplify_fn_binding( + for constraint in constraint.assoc.args.constraints() { + simplify_fn_constraint( self_, generics, - &binding, + &constraint, tcx, recurse + 1, res, @@ -1203,8 +1203,8 @@ fn simplify_fn_binding<'tcx, 'a>( cache, ); } - match &binding.kind { - clean::TypeBindingKind::Equality { term } => { + match &constraint.kind { + clean::AssocItemConstraintKind::Equality { term } => { if let clean::Term::Type(arg) = &term { simplify_fn_type( self_, @@ -1212,14 +1212,14 @@ fn simplify_fn_binding<'tcx, 'a>( arg, tcx, recurse + 1, - &mut ty_binding_constraints, + &mut ty_constraints, rgen, is_return, cache, ); } } - clean::TypeBindingKind::Constraint { bounds } => { + clean::AssocItemConstraintKind::Bound { bounds } => { for bound in &bounds[..] { if let Some(path) = bound.get_trait_path() { let ty = Type::Path { path }; @@ -1229,7 +1229,7 @@ fn simplify_fn_binding<'tcx, 'a>( &ty, tcx, recurse + 1, - &mut ty_binding_constraints, + &mut ty_constraints, rgen, is_return, cache, @@ -1238,7 +1238,7 @@ fn simplify_fn_binding<'tcx, 'a>( } } } - res.push((ty_binding_assoc, ty_binding_constraints)); + res.push((ty_constrained_assoc, ty_constraints)); } /// Return the full list of types when bounds have been resolved. diff --git a/src/librustdoc/json/conversions.rs b/src/librustdoc/json/conversions.rs index f856b4e9f16c..42237f7ddc78 100644 --- a/src/librustdoc/json/conversions.rs +++ b/src/librustdoc/json/conversions.rs @@ -153,9 +153,9 @@ impl FromWithTcx for GenericArgs { fn from_tcx(args: clean::GenericArgs, tcx: TyCtxt<'_>) -> Self { use clean::GenericArgs::*; match args { - AngleBracketed { args, bindings } => GenericArgs::AngleBracketed { + AngleBracketed { args, constraints } => GenericArgs::AngleBracketed { args: args.into_vec().into_tcx(tcx), - bindings: bindings.into_tcx(tcx), + bindings: constraints.into_tcx(tcx), }, Parenthesized { inputs, output } => GenericArgs::Parenthesized { inputs: inputs.into_vec().into_tcx(tcx), @@ -187,22 +187,22 @@ impl FromWithTcx for Constant { } } -impl FromWithTcx for TypeBinding { - fn from_tcx(binding: clean::TypeBinding, tcx: TyCtxt<'_>) -> Self { +impl FromWithTcx for TypeBinding { + fn from_tcx(constraint: clean::AssocItemConstraint, tcx: TyCtxt<'_>) -> Self { TypeBinding { - name: binding.assoc.name.to_string(), - args: binding.assoc.args.into_tcx(tcx), - binding: binding.kind.into_tcx(tcx), + name: constraint.assoc.name.to_string(), + args: constraint.assoc.args.into_tcx(tcx), + binding: constraint.kind.into_tcx(tcx), } } } -impl FromWithTcx for TypeBindingKind { - fn from_tcx(kind: clean::TypeBindingKind, tcx: TyCtxt<'_>) -> Self { - use clean::TypeBindingKind::*; +impl FromWithTcx for TypeBindingKind { + fn from_tcx(kind: clean::AssocItemConstraintKind, tcx: TyCtxt<'_>) -> Self { + use clean::AssocItemConstraintKind::*; match kind { Equality { term } => TypeBindingKind::Equality(term.into_tcx(tcx)), - Constraint { bounds } => TypeBindingKind::Constraint(bounds.into_tcx(tcx)), + Bound { bounds } => TypeBindingKind::Constraint(bounds.into_tcx(tcx)), } } } diff --git a/src/tools/clippy/clippy_lints/src/implied_bounds_in_impls.rs b/src/tools/clippy/clippy_lints/src/implied_bounds_in_impls.rs index dc935ed3d7fe..2b389d4f9b19 100644 --- a/src/tools/clippy/clippy_lints/src/implied_bounds_in_impls.rs +++ b/src/tools/clippy/clippy_lints/src/implied_bounds_in_impls.rs @@ -3,7 +3,7 @@ use clippy_utils::source::snippet; use rustc_errors::{Applicability, SuggestionStyle}; use rustc_hir::def_id::DefId; use rustc_hir::{ - GenericArg, GenericBound, GenericBounds, ItemKind, PredicateOrigin, TraitBoundModifier, TyKind, TypeBinding, + GenericArg, GenericBound, GenericBounds, ItemKind, PredicateOrigin, TraitBoundModifier, TyKind, AssocItemConstraint, WherePredicate, }; use rustc_hir_analysis::lower_ty; @@ -54,9 +54,9 @@ fn emit_lint( poly_trait: &rustc_hir::PolyTraitRef<'_>, bounds: GenericBounds<'_>, index: usize, - // The bindings that were implied, used for suggestion purposes since removing a bound with associated types - // means we might need to then move it to a different bound - implied_bindings: &[TypeBinding<'_>], + // The constraints that were implied, used for suggestion purposes since removing a bound with + // associated types means we might need to then move it to a different bound. + implied_constraints: &[AssocItemConstraint<'_>], bound: &ImplTraitBound<'_>, ) { let implied_by = snippet(cx, bound.span, ".."); @@ -83,29 +83,29 @@ fn emit_lint( let mut sugg = vec![(implied_span_extended, String::new())]; - // We also might need to include associated type binding that were specified in the implied bound, + // We also might need to include associated item constraints that were specified in the implied bound, // but omitted in the implied-by bound: // `fn f() -> impl Deref + DerefMut` // If we're going to suggest removing `Deref<..>`, we'll need to put `` on `DerefMut` - let omitted_assoc_tys: Vec<_> = implied_bindings + let omitted_constraints: Vec<_> = implied_constraints .iter() - .filter(|binding| !bound.bindings.iter().any(|b| b.ident == binding.ident)) + .filter(|constraint| !bound.constraints.iter().any(|c| c.ident == constraint.ident)) .collect(); - if !omitted_assoc_tys.is_empty() { - // `<>` needs to be added if there aren't yet any generic arguments or bindings - let needs_angle_brackets = bound.args.is_empty() && bound.bindings.is_empty(); - let insert_span = match (bound.args, bound.bindings) { - ([.., arg], [.., binding]) => arg.span().max(binding.span).shrink_to_hi(), + if !omitted_constraints.is_empty() { + // `<>` needs to be added if there aren't yet any generic arguments or constraints + let needs_angle_brackets = bound.args.is_empty() && bound.constraints.is_empty(); + let insert_span = match (bound.args, bound.constraints) { + ([.., arg], [.., constraint]) => arg.span().max(constraint.span).shrink_to_hi(), ([.., arg], []) => arg.span().shrink_to_hi(), - ([], [.., binding]) => binding.span.shrink_to_hi(), + ([], [.., constraint]) => constraint.span.shrink_to_hi(), ([], []) => bound.span.shrink_to_hi(), }; - let mut associated_tys_sugg = if needs_angle_brackets { + let mut constraints_sugg = if needs_angle_brackets { "<".to_owned() } else { - // If angle brackets aren't needed (i.e., there are already generic arguments or bindings), + // If angle brackets aren't needed (i.e., there are already generic arguments or constraints), // we need to add a comma: // `impl A` // ^ if we insert `Assoc=i32` without a comma here, that'd be invalid syntax: @@ -113,16 +113,16 @@ fn emit_lint( ", ".to_owned() }; - for (index, binding) in omitted_assoc_tys.into_iter().enumerate() { + for (index, constraint) in omitted_constraints.into_iter().enumerate() { if index > 0 { - associated_tys_sugg += ", "; + constraints_sugg += ", "; } - associated_tys_sugg += &snippet(cx, binding.span, ".."); + constraints_sugg += &snippet(cx, constraint.span, ".."); } if needs_angle_brackets { - associated_tys_sugg += ">"; + constraints_sugg += ">"; } - sugg.push((insert_span, associated_tys_sugg)); + sugg.push((insert_span, constraints_sugg)); } diag.multipart_suggestion_with_style( @@ -229,8 +229,8 @@ struct ImplTraitBound<'tcx> { trait_def_id: DefId, /// The generic arguments on the `impl Trait` bound args: &'tcx [GenericArg<'tcx>], - /// The associated types on this bound - bindings: &'tcx [TypeBinding<'tcx>], + /// The associated item constraints of this bound + constraints: &'tcx [AssocItemConstraint<'tcx>], } /// Given an `impl Trait` type, gets all the supertraits from each bound ("implied bounds"). @@ -253,7 +253,7 @@ fn collect_supertrait_bounds<'tcx>(cx: &LateContext<'tcx>, bounds: GenericBounds Some(ImplTraitBound { predicates, args: path.args.map_or([].as_slice(), |p| p.args), - bindings: path.args.map_or([].as_slice(), |p| p.bindings), + constraints: path.args.map_or([].as_slice(), |p| p.constraints), trait_def_id, span: bound.span(), }) @@ -310,20 +310,20 @@ fn check<'tcx>(cx: &LateContext<'tcx>, bounds: GenericBounds<'tcx>) { if let GenericBound::Trait(poly_trait, TraitBoundModifier::None) = bound && let [.., path] = poly_trait.trait_ref.path.segments && let implied_args = path.args.map_or([].as_slice(), |a| a.args) - && let implied_bindings = path.args.map_or([].as_slice(), |a| a.bindings) + && let implied_constraints = path.args.map_or([].as_slice(), |a| a.constraints) && let Some(def_id) = poly_trait.trait_ref.path.res.opt_def_id() && let Some(bound) = find_bound_in_supertraits(cx, def_id, implied_args, &supertraits) // If the implied bound has a type binding that also exists in the implied-by trait, // then we shouldn't lint. See #11880 for an example. && let assocs = cx.tcx.associated_items(bound.trait_def_id) - && !implied_bindings.iter().any(|binding| { + && !implied_constraints.iter().any(|constraint| { assocs - .filter_by_name_unhygienic(binding.ident.name) + .filter_by_name_unhygienic(constraint.ident.name) .next() .is_some_and(|assoc| assoc.kind == ty::AssocKind::Type) }) { - emit_lint(cx, poly_trait, bounds, index, implied_bindings, bound); + emit_lint(cx, poly_trait, bounds, index, implied_constraints, bound); } } } diff --git a/src/tools/clippy/clippy_lints/src/len_zero.rs b/src/tools/clippy/clippy_lints/src/len_zero.rs index 97a245b76d44..2091e74665fb 100644 --- a/src/tools/clippy/clippy_lints/src/len_zero.rs +++ b/src/tools/clippy/clippy_lints/src/len_zero.rs @@ -9,7 +9,7 @@ use rustc_hir::def_id::{DefId, DefIdSet}; use rustc_hir::{ AssocItemKind, BinOpKind, Expr, ExprKind, FnRetTy, GenericArg, GenericBound, ImplItem, ImplItemKind, ImplicitSelfKind, Item, ItemKind, Mutability, Node, OpaqueTyOrigin, PatKind, PathSegment, PrimTy, QPath, - TraitItemRef, TyKind, TypeBindingKind, + TraitItemRef, TyKind, }; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty::{self, AssocKind, FnSig, Ty}; @@ -307,17 +307,12 @@ fn extract_future_output<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> Option<& && let [GenericBound::Trait(trait_ref, _)] = &opaque.bounds && let Some(segment) = trait_ref.trait_ref.path.segments.last() && let Some(generic_args) = segment.args - && generic_args.bindings.len() == 1 - && let TypeBindingKind::Equality { - term: - rustc_hir::Term::Ty(rustc_hir::Ty { - kind: TyKind::Path(QPath::Resolved(_, path)), - .. - }), - } = &generic_args.bindings[0].kind - && path.segments.len() == 1 + && let [constraint] = generic_args.constraints + && let Some(ty) = constraint.ty() + && let TyKind::Path(QPath::Resolved(_, path)) = ty.kind + && let [segment] = path.segments { - return Some(&path.segments[0]); + return Some(segment); } None diff --git a/src/tools/clippy/clippy_lints/src/manual_async_fn.rs b/src/tools/clippy/clippy_lints/src/manual_async_fn.rs index 4cd5f3b81e52..25c7e5d38b31 100644 --- a/src/tools/clippy/clippy_lints/src/manual_async_fn.rs +++ b/src/tools/clippy/clippy_lints/src/manual_async_fn.rs @@ -4,8 +4,7 @@ use rustc_errors::Applicability; use rustc_hir::intravisit::FnKind; use rustc_hir::{ Block, Body, Closure, ClosureKind, CoroutineDesugaring, CoroutineKind, CoroutineSource, Expr, ExprKind, FnDecl, - FnRetTy, GenericArg, GenericBound, ImplItem, Item, ItemKind, LifetimeName, Node, Term, TraitRef, Ty, TyKind, - TypeBindingKind, + FnRetTy, GenericArg, GenericBound, ImplItem, Item, ItemKind, LifetimeName, Node, TraitRef, Ty, TyKind, }; use rustc_lint::{LateContext, LateLintPass}; use rustc_session::declare_lint_pass; @@ -138,10 +137,9 @@ fn future_trait_ref<'tcx>( fn future_output_ty<'tcx>(trait_ref: &'tcx TraitRef<'tcx>) -> Option<&'tcx Ty<'tcx>> { if let Some(segment) = trait_ref.path.segments.last() && let Some(args) = segment.args - && args.bindings.len() == 1 - && let binding = &args.bindings[0] - && binding.ident.name == sym::Output - && let TypeBindingKind::Equality { term: Term::Ty(output) } = binding.kind + && let [constraint] = args.constraints + && constraint.ident.name == sym::Output + && let Some(output) = constraint.ty() { return Some(output); } diff --git a/src/tools/clippy/clippy_utils/src/ast_utils.rs b/src/tools/clippy/clippy_utils/src/ast_utils.rs index d4a5f547211a..bbdde3049dbd 100644 --- a/src/tools/clippy/clippy_utils/src/ast_utils.rs +++ b/src/tools/clippy/clippy_utils/src/ast_utils.rs @@ -108,7 +108,7 @@ pub fn eq_generic_args(l: &GenericArgs, r: &GenericArgs) -> bool { pub fn eq_angle_arg(l: &AngleBracketedArg, r: &AngleBracketedArg) -> bool { match (l, r) { (AngleBracketedArg::Arg(l), AngleBracketedArg::Arg(r)) => eq_generic_arg(l, r), - (AngleBracketedArg::Constraint(l), AngleBracketedArg::Constraint(r)) => eq_assoc_constraint(l, r), + (AngleBracketedArg::Constraint(l), AngleBracketedArg::Constraint(r)) => eq_assoc_item_constraint(l, r), _ => false, } } @@ -802,8 +802,8 @@ fn eq_term(l: &Term, r: &Term) -> bool { } } -pub fn eq_assoc_constraint(l: &AssocConstraint, r: &AssocConstraint) -> bool { - use AssocConstraintKind::*; +pub fn eq_assoc_item_constraint(l: &AssocItemConstraint, r: &AssocItemConstraint) -> bool { + use AssocItemConstraintKind::*; eq_id(l.ident, r.ident) && match (&l.kind, &r.kind) { (Equality { term: l }, Equality { term: r }) => eq_term(l, r), diff --git a/src/tools/clippy/clippy_utils/src/hir_utils.rs b/src/tools/clippy/clippy_utils/src/hir_utils.rs index 9f285621e0c9..36634817fc91 100644 --- a/src/tools/clippy/clippy_utils/src/hir_utils.rs +++ b/src/tools/clippy/clippy_utils/src/hir_utils.rs @@ -9,7 +9,7 @@ use rustc_hir::MatchSource::TryDesugar; use rustc_hir::{ ArrayLen, BinOpKind, BindingMode, Block, BodyId, Closure, Expr, ExprField, ExprKind, FnRetTy, GenericArg, GenericArgs, HirId, HirIdMap, InlineAsmOperand, LetExpr, Lifetime, LifetimeName, Pat, PatField, PatKind, Path, - PathSegment, PrimTy, QPath, Stmt, StmtKind, Ty, TyKind, TypeBinding, + PathSegment, PrimTy, QPath, Stmt, StmtKind, Ty, TyKind, AssocItemConstraint, }; use rustc_lexer::{tokenize, TokenKind}; use rustc_lint::LateContext; @@ -486,7 +486,7 @@ impl HirEqInterExpr<'_, '_, '_> { fn eq_path_parameters(&mut self, left: &GenericArgs<'_>, right: &GenericArgs<'_>) -> bool { if left.parenthesized == right.parenthesized { over(left.args, right.args, |l, r| self.eq_generic_arg(l, r)) // FIXME(flip1995): may not work - && over(left.bindings, right.bindings, |l, r| self.eq_type_binding(l, r)) + && over(left.constraints, right.constraints, |l, r| self.eq_assoc_type_binding(l, r)) } else { false } @@ -518,8 +518,8 @@ impl HirEqInterExpr<'_, '_, '_> { } } - fn eq_type_binding(&mut self, left: &TypeBinding<'_>, right: &TypeBinding<'_>) -> bool { - left.ident.name == right.ident.name && self.eq_ty(left.ty(), right.ty()) + fn eq_assoc_type_binding(&mut self, left: &AssocItemConstraint<'_>, right: &AssocItemConstraint<'_>) -> bool { + left.ident.name == right.ident.name && self.eq_ty(left.ty().expect("expected assoc type binding"), right.ty().expect("expected assoc type binding")) } fn check_ctxt(&mut self, left: SyntaxContext, right: SyntaxContext) -> bool { diff --git a/src/tools/rustfmt/src/types.rs b/src/tools/rustfmt/src/types.rs index 75dea90d994c..7d14d9e727ab 100644 --- a/src/tools/rustfmt/src/types.rs +++ b/src/tools/rustfmt/src/types.rs @@ -140,7 +140,7 @@ pub(crate) enum SegmentParam<'a> { Const(&'a ast::AnonConst), LifeTime(&'a ast::Lifetime), Type(&'a ast::Ty), - Binding(&'a ast::AssocConstraint), + Binding(&'a ast::AssocItemConstraint), } impl<'a> SegmentParam<'a> { @@ -175,9 +175,9 @@ impl<'a> Rewrite for SegmentParam<'a> { } } -impl Rewrite for ast::AssocConstraint { +impl Rewrite for ast::AssocItemConstraint { fn rewrite(&self, context: &RewriteContext<'_>, shape: Shape) -> Option { - use ast::AssocConstraintKind::{Bound, Equality}; + use ast::AssocItemConstraintKind::{Bound, Equality}; let mut result = String::with_capacity(128); result.push_str(rewrite_ident(context, self.ident)); @@ -205,14 +205,14 @@ impl Rewrite for ast::AssocConstraint { } } -impl Rewrite for ast::AssocConstraintKind { +impl Rewrite for ast::AssocItemConstraintKind { fn rewrite(&self, context: &RewriteContext<'_>, shape: Shape) -> Option { match self { - ast::AssocConstraintKind::Equality { term } => match term { + ast::AssocItemConstraintKind::Equality { term } => match term { Term::Ty(ty) => ty.rewrite(context, shape), Term::Const(c) => c.rewrite(context, shape), }, - ast::AssocConstraintKind::Bound { bounds } => bounds.rewrite(context, shape), + ast::AssocItemConstraintKind::Bound { bounds } => bounds.rewrite(context, shape), } } } diff --git a/tests/rustdoc-ui/invalid_associated_const.rs b/tests/rustdoc-ui/invalid_associated_const.rs index 6f211a383a6f..f93834268f63 100644 --- a/tests/rustdoc-ui/invalid_associated_const.rs +++ b/tests/rustdoc-ui/invalid_associated_const.rs @@ -2,8 +2,8 @@ trait T { type A: S = 34>; - //~^ ERROR associated type bindings are not allowed here - //~| ERROR associated type bindings are not allowed here + //~^ ERROR associated item constraints are not allowed here + //~| ERROR associated item constraints are not allowed here } trait S { diff --git a/tests/rustdoc-ui/invalid_associated_const.stderr b/tests/rustdoc-ui/invalid_associated_const.stderr index 5eaddc2b8c98..6e5ddc449828 100644 --- a/tests/rustdoc-ui/invalid_associated_const.stderr +++ b/tests/rustdoc-ui/invalid_associated_const.stderr @@ -1,22 +1,22 @@ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/invalid_associated_const.rs:4:17 | LL | type A: S = 34>; - | ^^^^^^^^ associated type not allowed here + | ^^^^^^^^ associated item constraint not allowed here | -help: consider removing this type binding +help: consider removing this associated item binding | LL | type A: S = 34>; | ~~~~~~~~~~ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/invalid_associated_const.rs:4:17 | LL | type A: S = 34>; - | ^^^^^^^^ associated type not allowed here + | ^^^^^^^^ associated item constraint not allowed here | = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -help: consider removing this type binding +help: consider removing this associated item binding | LL | type A: S = 34>; | ~~~~~~~~~~ diff --git a/tests/rustdoc-ui/issue-102467.rs b/tests/rustdoc-ui/issue-102467.rs index a27e61569794..d9bd48103d24 100644 --- a/tests/rustdoc-ui/issue-102467.rs +++ b/tests/rustdoc-ui/issue-102467.rs @@ -5,8 +5,8 @@ trait T { type A: S = 34>; - //~^ ERROR associated type bindings are not allowed here - //~| ERROR associated type bindings are not allowed here + //~^ ERROR associated item constraints are not allowed here + //~| ERROR associated item constraints are not allowed here } trait S { diff --git a/tests/rustdoc-ui/issue-102467.stderr b/tests/rustdoc-ui/issue-102467.stderr index 119ca949e999..99f911023192 100644 --- a/tests/rustdoc-ui/issue-102467.stderr +++ b/tests/rustdoc-ui/issue-102467.stderr @@ -1,22 +1,22 @@ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/issue-102467.rs:7:17 | LL | type A: S = 34>; - | ^^^^^^^^ associated type not allowed here + | ^^^^^^^^ associated item constraint not allowed here | -help: consider removing this type binding +help: consider removing this associated item binding | LL | type A: S = 34>; | ~~~~~~~~~~ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/issue-102467.rs:7:17 | LL | type A: S = 34>; - | ^^^^^^^^ associated type not allowed here + | ^^^^^^^^ associated item constraint not allowed here | = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -help: consider removing this type binding +help: consider removing this associated item binding | LL | type A: S = 34>; | ~~~~~~~~~~ diff --git a/tests/ui/associated-consts/issue-102335-const.rs b/tests/ui/associated-consts/issue-102335-const.rs index 969c2c43b716..fd922cd0f1d8 100644 --- a/tests/ui/associated-consts/issue-102335-const.rs +++ b/tests/ui/associated-consts/issue-102335-const.rs @@ -2,8 +2,8 @@ trait T { type A: S = 34>; - //~^ ERROR associated type bindings are not allowed here - //~| ERROR associated type bindings are not allowed here + //~^ ERROR associated item constraints are not allowed here + //~| ERROR associated item constraints are not allowed here } trait S { diff --git a/tests/ui/associated-consts/issue-102335-const.stderr b/tests/ui/associated-consts/issue-102335-const.stderr index 905d7c75c200..dc1631220e2a 100644 --- a/tests/ui/associated-consts/issue-102335-const.stderr +++ b/tests/ui/associated-consts/issue-102335-const.stderr @@ -1,22 +1,22 @@ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/issue-102335-const.rs:4:17 | LL | type A: S = 34>; - | ^^^^^^^^ associated type not allowed here + | ^^^^^^^^ associated item constraint not allowed here | -help: consider removing this type binding +help: consider removing this associated item binding | LL | type A: S = 34>; | ~~~~~~~~~~ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/issue-102335-const.rs:4:17 | LL | type A: S = 34>; - | ^^^^^^^^ associated type not allowed here + | ^^^^^^^^ associated item constraint not allowed here | = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -help: consider removing this type binding +help: consider removing this associated item binding | LL | type A: S = 34>; | ~~~~~~~~~~ diff --git a/tests/ui/associated-type-bounds/issue-102335-ty.rs b/tests/ui/associated-type-bounds/issue-102335-ty.rs index b2df68b18ae4..86bde6367a4c 100644 --- a/tests/ui/associated-type-bounds/issue-102335-ty.rs +++ b/tests/ui/associated-type-bounds/issue-102335-ty.rs @@ -1,13 +1,13 @@ trait T { type A: S = ()>; // Just one erroneous equality constraint - //~^ ERROR associated type bindings are not allowed here - //~| ERROR associated type bindings are not allowed here + //~^ ERROR associated item constraints are not allowed here + //~| ERROR associated item constraints are not allowed here } trait T2 { type A: S = ()>; // More than one erroneous equality constraints - //~^ ERROR associated type bindings are not allowed here - //~| ERROR associated type bindings are not allowed here + //~^ ERROR associated item constraints are not allowed here + //~| ERROR associated item constraints are not allowed here } trait Q {} diff --git a/tests/ui/associated-type-bounds/issue-102335-ty.stderr b/tests/ui/associated-type-bounds/issue-102335-ty.stderr index cf30b0a4f6ca..cd585f7f7d8f 100644 --- a/tests/ui/associated-type-bounds/issue-102335-ty.stderr +++ b/tests/ui/associated-type-bounds/issue-102335-ty.stderr @@ -1,45 +1,45 @@ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/issue-102335-ty.rs:2:17 | LL | type A: S = ()>; // Just one erroneous equality constraint - | ^^^^^^^^^ associated type not allowed here + | ^^^^^^^^^ associated item constraint not allowed here | -help: consider removing this type binding +help: consider removing this associated item binding | LL | type A: S = ()>; // Just one erroneous equality constraint | ~~~~~~~~~~~ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/issue-102335-ty.rs:2:17 | LL | type A: S = ()>; // Just one erroneous equality constraint - | ^^^^^^^^^ associated type not allowed here + | ^^^^^^^^^ associated item constraint not allowed here | = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -help: consider removing this type binding +help: consider removing this associated item binding | LL | type A: S = ()>; // Just one erroneous equality constraint | ~~~~~~~~~~~ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/issue-102335-ty.rs:8:17 | LL | type A: S = ()>; // More than one erroneous equality constraints - | ^^^^^^^^^ associated type not allowed here + | ^^^^^^^^^ associated item constraint not allowed here | -help: consider removing this type binding +help: consider removing this associated item binding | LL | type A: S = ()>; // More than one erroneous equality constraints | ~~~~~~~~~~ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/issue-102335-ty.rs:8:17 | LL | type A: S = ()>; // More than one erroneous equality constraints - | ^^^^^^^^^ associated type not allowed here + | ^^^^^^^^^ associated item constraint not allowed here | = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -help: consider removing this type binding +help: consider removing this associated item binding | LL | type A: S = ()>; // More than one erroneous equality constraints | ~~~~~~~~~~ diff --git a/tests/ui/associated-type-bounds/no-gat-position.rs b/tests/ui/associated-type-bounds/no-gat-position.rs index 5005c5027f42..cb62c8824681 100644 --- a/tests/ui/associated-type-bounds/no-gat-position.rs +++ b/tests/ui/associated-type-bounds/no-gat-position.rs @@ -4,7 +4,7 @@ pub trait Iter { type Item<'a>: 'a where Self: 'a; fn next<'a>(&'a mut self) -> Option>; - //~^ ERROR associated type bindings are not allowed here + //~^ ERROR associated item constraints are not allowed here } impl Iter for () { diff --git a/tests/ui/associated-type-bounds/no-gat-position.stderr b/tests/ui/associated-type-bounds/no-gat-position.stderr index c348d33c3a9a..e167ac1fda45 100644 --- a/tests/ui/associated-type-bounds/no-gat-position.stderr +++ b/tests/ui/associated-type-bounds/no-gat-position.stderr @@ -1,8 +1,8 @@ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/no-gat-position.rs:6:56 | LL | fn next<'a>(&'a mut self) -> Option>; - | ^^^^^^^^^ associated type not allowed here + | ^^^^^^^^^ associated item constraint not allowed here error: aborting due to 1 previous error diff --git a/tests/ui/associated-types/associated-types-eq-2.rs b/tests/ui/associated-types/associated-types-eq-2.rs index 43b0208461e4..f0a7d1e46b1b 100644 --- a/tests/ui/associated-types/associated-types-eq-2.rs +++ b/tests/ui/associated-types/associated-types-eq-2.rs @@ -18,14 +18,14 @@ impl Tr1 for isize { // Test for when the assoc type is // specified as an equality constraint impl Tr1 for usize { -//~^ ERROR associated type bindings are not allowed here +//~^ ERROR associated item constraints are not allowed here //~| ERROR not all trait items implemented, missing: `A` fn boo(&self) -> usize { 42 } } // Test for a wronngly used equality constraint in a func arg fn baz(_x: &>::A) {} -//~^ ERROR associated type bindings are not allowed here +//~^ ERROR associated item constraints are not allowed here @@ -38,28 +38,28 @@ trait Tr2 { // (Note: E0229 is emitted only for the first erroneous equality // constraint (T2) not for any subequent ones (e.g. T3)) impl Tr2 for Bar { -//~^ ERROR associated type bindings are not allowed here +//~^ ERROR associated item constraints are not allowed here //~| ERROR trait takes 3 generic arguments but 1 generic argument was supplied } // Test for when equality constraint's ident matches a // generic param's ident but has different case impl Tr2 for Qux { -//~^ ERROR associated type bindings are not allowed here +//~^ ERROR associated item constraints are not allowed here //~| ERROR trait takes 3 generic arguments but 1 generic argument was supplied } // Test for when equality constraint's ident // matches none of the generic param idents impl Tr2 for Bar { -//~^ ERROR associated type bindings are not allowed here +//~^ ERROR associated item constraints are not allowed here //~| ERROR trait takes 3 generic arguments but 1 generic argument was supplied } // Test for when the term in equality constraint is itself generic struct GenericTerm { _t: T } impl Tr2> for Bar { -//~^ ERROR associated type bindings are not allowed here +//~^ ERROR associated item constraints are not allowed here //~| ERROR trait takes 3 generic arguments but 2 generic arguments were supplied } @@ -74,7 +74,7 @@ trait Tr3 { // (Deliberately spread over multiple lines to test that // our suggestion spans are kosher in the face of such formatting) impl Tr3 for Bar { @@ -83,7 +83,7 @@ impl Tr3 for Qux { -//~^ ERROR associated type bindings are not allowed here +//~^ ERROR associated item constraints are not allowed here //~| ERROR associated const equality is incomplete //~| ERROR trait takes 3 generic arguments but 0 generic arguments were supplied } @@ -91,14 +91,14 @@ impl Tr3 for Qux { // Test for when equality constraint's ident // matches the const param ident but the constraint is a type arg impl Tr3 for Bar { -//~^ ERROR associated type bindings are not allowed here +//~^ ERROR associated item constraints are not allowed here //~| ERROR trait takes 3 generic arguments but 0 generic arguments were supplied } // Test for when equality constraint's ident // matches a type param ident but the constraint is a const arg impl Tr3<42, T2 = 42, T3 = usize> for Bar { -//~^ ERROR associated type bindings are not allowed here +//~^ ERROR associated item constraints are not allowed here //~| ERROR associated const equality is incomplete //~| ERROR trait takes 3 generic arguments but 1 generic argument was supplied } @@ -106,7 +106,7 @@ impl Tr3<42, T2 = 42, T3 = usize> for Bar { // Test for when equality constraint's ident // matches none of the param idents impl Tr3 for Bar { -//~^ ERROR associated type bindings are not allowed here +//~^ ERROR associated item constraints are not allowed here //~| ERROR associated const equality is incomplete //~| ERROR trait takes 3 generic arguments but 0 generic arguments were supplied } @@ -117,7 +117,7 @@ impl Tr3 for Bar { struct St<'a, T> { v: &'a T } impl<'a, T> St<'a , T = Qux> { -//~^ ERROR associated type bindings are not allowed here +//~^ ERROR associated item constraints are not allowed here //~| ERROR struct takes 1 generic argument but 0 generic arguments were supplied } diff --git a/tests/ui/associated-types/associated-types-eq-2.stderr b/tests/ui/associated-types/associated-types-eq-2.stderr index b68c82f590c1..53e4e59128ea 100644 --- a/tests/ui/associated-types/associated-types-eq-2.stderr +++ b/tests/ui/associated-types/associated-types-eq-2.stderr @@ -43,13 +43,13 @@ LL | impl Tr3 for Bar { = help: add `#![feature(associated_const_equality)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/associated-types-eq-2.rs:20:10 | LL | impl Tr1 for usize { - | ^^^^^^^^^ associated type not allowed here + | ^^^^^^^^^ associated item constraint not allowed here | -help: consider removing this type binding +help: consider removing this associated item binding | LL | impl Tr1 for usize { | ~~~~~~~~~~~ @@ -63,13 +63,13 @@ LL | type A; LL | impl Tr1 for usize { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `A` in implementation -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/associated-types-eq-2.rs:27:31 | LL | fn baz(_x: &>::A) {} - | ^^^^^ associated type not allowed here + | ^^^^^ associated item constraint not allowed here | -help: consider removing this type binding +help: consider removing this associated item binding | LL | fn baz(_x: &>::A) {} | ~~~~~~~ @@ -92,11 +92,11 @@ help: add missing generic arguments LL | impl Tr2 for Bar { | ++++++++ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/associated-types-eq-2.rs:40:15 | LL | impl Tr2 for Bar { - | ^^^^^^^^ associated type not allowed here + | ^^^^^^^^ associated item constraint not allowed here | help: to use `Qux` as a generic argument specify it directly | @@ -121,13 +121,13 @@ help: add missing generic arguments LL | impl Tr2 for Qux { | ++++++++ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/associated-types-eq-2.rs:47:15 | LL | impl Tr2 for Qux { - | ^^^^^^^^ associated type not allowed here + | ^^^^^^^^ associated item constraint not allowed here | -help: consider removing this type binding +help: consider removing this associated item binding | LL | impl Tr2 for Qux { | ~~~~~~~~~~ @@ -150,13 +150,13 @@ help: add missing generic arguments LL | impl Tr2 for Bar { | ++++++++ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/associated-types-eq-2.rs:54:15 | LL | impl Tr2 for Bar { - | ^^^^^^^ associated type not allowed here + | ^^^^^^^ associated item constraint not allowed here | -help: consider removing this type binding +help: consider removing this associated item binding | LL | impl Tr2 for Bar { | ~~~~~~~~~ @@ -179,11 +179,11 @@ help: add missing generic argument LL | impl Tr2> for Bar { | ++++ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/associated-types-eq-2.rs:61:20 | LL | impl Tr2> for Bar { - | ^^^^^^^^^^^^^^^^^^^^^ associated type not allowed here + | ^^^^^^^^^^^^^^^^^^^^^ associated item constraint not allowed here | help: to use `GenericTerm` as a generic argument specify it directly | @@ -206,7 +206,7 @@ help: add missing generic arguments LL | impl Tr3 $DIR/associated-types-eq-2.rs:76:10 | LL | impl Tr3 for Bar { - | |____^ associated type not allowed here + | |____^ associated item constraint not allowed here | help: to use `42` as a generic argument specify it directly | @@ -238,13 +238,13 @@ help: add missing generic arguments LL | impl Tr3 for Qux { | ++++++++++ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/associated-types-eq-2.rs:85:10 | LL | impl Tr3 for Qux { - | ^^^^^^ associated type not allowed here + | ^^^^^^ associated item constraint not allowed here | -help: consider removing this type binding +help: consider removing this associated item binding | LL | impl Tr3 for Qux { | ~~~~~~~ @@ -265,13 +265,13 @@ help: add missing generic arguments LL | impl Tr3 for Bar { | ++++++++++ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/associated-types-eq-2.rs:93:10 | LL | impl Tr3 for Bar { - | ^^^^^^^ associated type not allowed here + | ^^^^^^^ associated item constraint not allowed here | -help: consider removing this type binding +help: consider removing this associated item binding | LL | impl Tr3 for Bar { | ~~~~~~~~ @@ -294,13 +294,13 @@ help: add missing generic arguments LL | impl Tr3<42, T2, T3, T2 = 42, T3 = usize> for Bar { | ++++++++ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/associated-types-eq-2.rs:100:14 | LL | impl Tr3<42, T2 = 42, T3 = usize> for Bar { - | ^^^^^^^ associated type not allowed here + | ^^^^^^^ associated item constraint not allowed here | -help: consider removing this type binding +help: consider removing this associated item binding | LL | impl Tr3<42, T2 = 42, T3 = usize> for Bar { | ~~~~~~~~~ @@ -321,13 +321,13 @@ help: add missing generic arguments LL | impl Tr3 for Bar { | ++++++++++ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/associated-types-eq-2.rs:108:10 | LL | impl Tr3 for Bar { - | ^^^^^^ associated type not allowed here + | ^^^^^^ associated item constraint not allowed here | -help: consider removing this type binding +help: consider removing this associated item binding | LL | impl Tr3 for Bar { | ~~~~~~~ @@ -348,11 +348,11 @@ help: add missing generic argument LL | impl<'a, T> St<'a, T , T = Qux> { | +++ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/associated-types-eq-2.rs:119:21 | LL | impl<'a, T> St<'a , T = Qux> { - | ^^^^^^^ associated type not allowed here + | ^^^^^^^ associated item constraint not allowed here | help: to use `Qux` as a generic argument specify it directly | diff --git a/tests/ui/associated-types/associated-types-eq-expr-path.rs b/tests/ui/associated-types/associated-types-eq-expr-path.rs index 143992f29f19..4561e596c665 100644 --- a/tests/ui/associated-types/associated-types-eq-expr-path.rs +++ b/tests/ui/associated-types/associated-types-eq-expr-path.rs @@ -11,6 +11,6 @@ impl Foo for isize { } pub fn main() { - let x: isize = Foo::::bar(); - //~^ ERROR associated type bindings are not allowed here + let x: isize = Foo::::bar(); + //~^ ERROR associated item constraints are not allowed here } diff --git a/tests/ui/associated-types/associated-types-eq-expr-path.stderr b/tests/ui/associated-types/associated-types-eq-expr-path.stderr index 7559f3b7c2e5..3d0e3e61eca9 100644 --- a/tests/ui/associated-types/associated-types-eq-expr-path.stderr +++ b/tests/ui/associated-types/associated-types-eq-expr-path.stderr @@ -1,8 +1,8 @@ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/associated-types-eq-expr-path.rs:14:26 | -LL | let x: isize = Foo::::bar(); - | ^^^^^^^ associated type not allowed here +LL | let x: isize = Foo::::bar(); + | ^^^^^^^^^ associated item constraint not allowed here error: aborting due to 1 previous error diff --git a/tests/ui/async-await/return-type-notation/rtn-in-impl-signature.rs b/tests/ui/async-await/return-type-notation/rtn-in-impl-signature.rs index 68a750778ada..637678692bd1 100644 --- a/tests/ui/async-await/return-type-notation/rtn-in-impl-signature.rs +++ b/tests/ui/async-await/return-type-notation/rtn-in-impl-signature.rs @@ -8,7 +8,7 @@ trait Super1<'a> { } impl Super1<'_, bar(): Send> for () {} -//~^ ERROR associated type bindings are not allowed here +//~^ ERROR associated item constraints are not allowed here //~| ERROR not all trait items implemented fn main() {} diff --git a/tests/ui/async-await/return-type-notation/rtn-in-impl-signature.stderr b/tests/ui/async-await/return-type-notation/rtn-in-impl-signature.stderr index d925c7316b6e..b07c5735dff6 100644 --- a/tests/ui/async-await/return-type-notation/rtn-in-impl-signature.stderr +++ b/tests/ui/async-await/return-type-notation/rtn-in-impl-signature.stderr @@ -7,11 +7,11 @@ LL | #![feature(return_type_notation)] = note: see issue #109417 for more information = note: `#[warn(incomplete_features)]` on by default -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/rtn-in-impl-signature.rs:10:17 | LL | impl Super1<'_, bar(): Send> for () {} - | ^^^^^^^^^^^ associated type not allowed here + | ^^^^^^^^^^^ associated item constraint not allowed here error[E0046]: not all trait items implemented, missing: `bar` --> $DIR/rtn-in-impl-signature.rs:10:1 diff --git a/tests/ui/const-generics/parser-error-recovery/issue-89013-no-kw.rs b/tests/ui/const-generics/parser-error-recovery/issue-89013-no-kw.rs index 79743abe4093..fbf1553c182c 100644 --- a/tests/ui/const-generics/parser-error-recovery/issue-89013-no-kw.rs +++ b/tests/ui/const-generics/parser-error-recovery/issue-89013-no-kw.rs @@ -8,7 +8,7 @@ const T: usize = 42; impl Foo for Bar { //~^ ERROR trait takes 1 generic argument but 0 generic arguments were supplied -//~| ERROR associated type bindings are not allowed here +//~| ERROR associated item constraints are not allowed here //~| ERROR associated const equality is incomplete fn do_x(&self) -> [u8; 3] { [0u8; 3] diff --git a/tests/ui/const-generics/parser-error-recovery/issue-89013-no-kw.stderr b/tests/ui/const-generics/parser-error-recovery/issue-89013-no-kw.stderr index 941764a575e6..a132859b412f 100644 --- a/tests/ui/const-generics/parser-error-recovery/issue-89013-no-kw.stderr +++ b/tests/ui/const-generics/parser-error-recovery/issue-89013-no-kw.stderr @@ -24,11 +24,11 @@ help: add missing generic argument LL | impl Foo for Bar { | ++ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/issue-89013-no-kw.rs:9:10 | LL | impl Foo for Bar { - | ^^^^^ associated type not allowed here + | ^^^^^ associated item constraint not allowed here | help: to use `3` as a generic argument specify it directly | diff --git a/tests/ui/const-generics/parser-error-recovery/issue-89013.rs b/tests/ui/const-generics/parser-error-recovery/issue-89013.rs index 335d0d94e83c..c9c7ff3a1704 100644 --- a/tests/ui/const-generics/parser-error-recovery/issue-89013.rs +++ b/tests/ui/const-generics/parser-error-recovery/issue-89013.rs @@ -9,7 +9,7 @@ const T: usize = 42; impl Foo for Bar { //~^ ERROR expected lifetime, type, or constant, found keyword `const` //~| ERROR trait takes 1 generic -//~| ERROR associated type bindings are not allowed here +//~| ERROR associated item constraints are not allowed here //~| ERROR associated const equality is incomplete fn do_x(&self) -> [u8; 3] { [0u8; 3] diff --git a/tests/ui/const-generics/parser-error-recovery/issue-89013.stderr b/tests/ui/const-generics/parser-error-recovery/issue-89013.stderr index a4c9e065c15c..2fdd12085652 100644 --- a/tests/ui/const-generics/parser-error-recovery/issue-89013.stderr +++ b/tests/ui/const-generics/parser-error-recovery/issue-89013.stderr @@ -36,11 +36,11 @@ help: add missing generic argument LL | impl Foo for Bar { | ++ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/issue-89013.rs:9:10 | LL | impl Foo for Bar { - | ^^^^^^^^^^^ associated type not allowed here + | ^^^^^^^^^^^ associated item constraint not allowed here | help: to use `3` as a generic argument specify it directly | diff --git a/tests/ui/error-codes/E0229.rs b/tests/ui/error-codes/E0229.rs index 558baae37f76..da2758dfba8f 100644 --- a/tests/ui/error-codes/E0229.rs +++ b/tests/ui/error-codes/E0229.rs @@ -10,10 +10,10 @@ impl Foo for isize { fn boo(&self) -> usize { 42 } } -fn baz(x: &>::A) {} -//~^ ERROR associated type bindings are not allowed here [E0229] -//~| ERROR associated type bindings are not allowed here [E0229] -//~| ERROR associated type bindings are not allowed here [E0229] +fn baz(x: &>::A) {} +//~^ ERROR associated item constraints are not allowed here [E0229] +//~| ERROR associated item constraints are not allowed here [E0229] +//~| ERROR associated item constraints are not allowed here [E0229] //~| ERROR the trait bound `I: Foo` is not satisfied //~| ERROR the trait bound `I: Foo` is not satisfied diff --git a/tests/ui/error-codes/E0229.stderr b/tests/ui/error-codes/E0229.stderr index ae7dc9ac2659..7d9cedc3bdc4 100644 --- a/tests/ui/error-codes/E0229.stderr +++ b/tests/ui/error-codes/E0229.stderr @@ -1,58 +1,58 @@ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/E0229.rs:13:25 | -LL | fn baz(x: &>::A) {} - | ^^^^^ associated type not allowed here +LL | fn baz(x: &>::A) {} + | ^^^^^^^ associated item constraint not allowed here | -help: consider removing this type binding +help: consider removing this associated item binding | -LL | fn baz(x: &>::A) {} - | ~~~~~~~ +LL | fn baz(x: &>::A) {} + | ~~~~~~~~~ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/E0229.rs:13:25 | -LL | fn baz(x: &>::A) {} - | ^^^^^ associated type not allowed here +LL | fn baz(x: &>::A) {} + | ^^^^^^^ associated item constraint not allowed here | = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -help: consider removing this type binding +help: consider removing this associated item binding | -LL | fn baz(x: &>::A) {} - | ~~~~~~~ +LL | fn baz(x: &>::A) {} + | ~~~~~~~~~ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/E0229.rs:13:25 | -LL | fn baz(x: &>::A) {} - | ^^^^^ associated type not allowed here +LL | fn baz(x: &>::A) {} + | ^^^^^^^ associated item constraint not allowed here | = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -help: consider removing this type binding +help: consider removing this associated item binding | -LL | fn baz(x: &>::A) {} - | ~~~~~~~ +LL | fn baz(x: &>::A) {} + | ~~~~~~~~~ error[E0277]: the trait bound `I: Foo` is not satisfied --> $DIR/E0229.rs:13:15 | -LL | fn baz(x: &>::A) {} - | ^^^^^^^^^^^^^^^^^^^^ the trait `Foo` is not implemented for `I` +LL | fn baz(x: &>::A) {} + | ^^^^^^^^^^^^^^^^^^^^^^ the trait `Foo` is not implemented for `I` | help: consider restricting type parameter `I` | -LL | fn baz(x: &>::A) {} +LL | fn baz(x: &>::A) {} | +++++ error[E0277]: the trait bound `I: Foo` is not satisfied - --> $DIR/E0229.rs:13:37 + --> $DIR/E0229.rs:13:39 | -LL | fn baz(x: &>::A) {} - | ^^ the trait `Foo` is not implemented for `I` +LL | fn baz(x: &>::A) {} + | ^^ the trait `Foo` is not implemented for `I` | help: consider restricting type parameter `I` | -LL | fn baz(x: &>::A) {} +LL | fn baz(x: &>::A) {} | +++++ error: aborting due to 5 previous errors diff --git a/tests/ui/feature-gates/feature-gate-unboxed-closures-manual-impls.rs b/tests/ui/feature-gates/feature-gate-unboxed-closures-manual-impls.rs index b8ce9c85b727..ff528274c59b 100644 --- a/tests/ui/feature-gates/feature-gate-unboxed-closures-manual-impls.rs +++ b/tests/ui/feature-gates/feature-gate-unboxed-closures-manual-impls.rs @@ -16,7 +16,7 @@ impl Fn<()> for Foo { } struct Foo1; impl FnOnce() for Foo1 { - //~^ ERROR associated type bindings are not allowed here + //~^ ERROR associated item constraints are not allowed here //~| ERROR manual implementations of `FnOnce` are experimental //~| ERROR not all trait items implemented extern "rust-call" fn call_once(self, args: ()) -> () {} diff --git a/tests/ui/feature-gates/feature-gate-unboxed-closures-manual-impls.stderr b/tests/ui/feature-gates/feature-gate-unboxed-closures-manual-impls.stderr index c3f161469e30..ed9ecc732b59 100644 --- a/tests/ui/feature-gates/feature-gate-unboxed-closures-manual-impls.stderr +++ b/tests/ui/feature-gates/feature-gate-unboxed-closures-manual-impls.stderr @@ -105,11 +105,11 @@ LL | impl FnOnce() for Foo1 { | = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/feature-gate-unboxed-closures-manual-impls.rs:18:6 | LL | impl FnOnce() for Foo1 { - | ^^^^^^^^ associated type not allowed here + | ^^^^^^^^ associated item constraint not allowed here | help: parenthesized trait syntax expands to `FnOnce<(), Output=()>` --> $DIR/feature-gate-unboxed-closures-manual-impls.rs:18:6 diff --git a/tests/ui/fn/issue-39259.rs b/tests/ui/fn/issue-39259.rs index 16983b652fc8..d4569a9094b2 100644 --- a/tests/ui/fn/issue-39259.rs +++ b/tests/ui/fn/issue-39259.rs @@ -4,7 +4,7 @@ struct S; impl Fn(u32) -> u32 for S { - //~^ ERROR associated type bindings are not allowed here [E0229] + //~^ ERROR associated item constraints are not allowed here [E0229] //~| ERROR expected a `FnMut(u32)` closure, found `S` fn call(&self) -> u32 { //~^ ERROR method `call` has 1 parameter but the declaration in trait `call` has 2 diff --git a/tests/ui/fn/issue-39259.stderr b/tests/ui/fn/issue-39259.stderr index 47150a3c155c..095a5c472313 100644 --- a/tests/ui/fn/issue-39259.stderr +++ b/tests/ui/fn/issue-39259.stderr @@ -1,8 +1,8 @@ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/issue-39259.rs:6:17 | LL | impl Fn(u32) -> u32 for S { - | ^^^ associated type not allowed here + | ^^^ associated item constraint not allowed here | help: parenthesized trait syntax expands to `Fn<(u32,), Output=u32>` --> $DIR/issue-39259.rs:6:6 diff --git a/tests/ui/generic-associated-types/issue-102335-gat.rs b/tests/ui/generic-associated-types/issue-102335-gat.rs index 3a4a0c107715..0be6ee3930f1 100644 --- a/tests/ui/generic-associated-types/issue-102335-gat.rs +++ b/tests/ui/generic-associated-types/issue-102335-gat.rs @@ -1,7 +1,7 @@ trait T { type A: S = ()>; - //~^ ERROR associated type bindings are not allowed here - //~| ERROR associated type bindings are not allowed here + //~^ ERROR associated item constraints are not allowed here + //~| ERROR associated item constraints are not allowed here } trait Q {} diff --git a/tests/ui/generic-associated-types/issue-102335-gat.stderr b/tests/ui/generic-associated-types/issue-102335-gat.stderr index 23b114a3a55e..b4772486e6e4 100644 --- a/tests/ui/generic-associated-types/issue-102335-gat.stderr +++ b/tests/ui/generic-associated-types/issue-102335-gat.stderr @@ -1,22 +1,22 @@ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/issue-102335-gat.rs:2:21 | LL | type A: S = ()>; - | ^^^^^^^^ associated type not allowed here + | ^^^^^^^^ associated item constraint not allowed here | -help: consider removing this type binding +help: consider removing this associated item binding | LL | type A: S = ()>; | ~~~~~~~~~~ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/issue-102335-gat.rs:2:21 | LL | type A: S = ()>; - | ^^^^^^^^ associated type not allowed here + | ^^^^^^^^ associated item constraint not allowed here | = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -help: consider removing this type binding +help: consider removing this associated item binding | LL | type A: S = ()>; | ~~~~~~~~~~ diff --git a/tests/ui/issues/issue-23543.rs b/tests/ui/issues/issue-23543.rs index 843e1a8a83ae..248bf77a7083 100644 --- a/tests/ui/issues/issue-23543.rs +++ b/tests/ui/issues/issue-23543.rs @@ -5,7 +5,7 @@ struct Foo; pub trait D { fn f(self) where T: A; - //~^ ERROR associated type bindings are not allowed here [E0229] + //~^ ERROR associated item constraints are not allowed here [E0229] } fn main() {} diff --git a/tests/ui/issues/issue-23543.stderr b/tests/ui/issues/issue-23543.stderr index d917a4c51d59..17243aefbbcd 100644 --- a/tests/ui/issues/issue-23543.stderr +++ b/tests/ui/issues/issue-23543.stderr @@ -1,8 +1,8 @@ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/issue-23543.rs:7:17 | LL | where T: A; - | ^^^^^^^^^^^ associated type not allowed here + | ^^^^^^^^^^^ associated item constraint not allowed here error: aborting due to 1 previous error diff --git a/tests/ui/issues/issue-23544.rs b/tests/ui/issues/issue-23544.rs index 6ad00b2fba4b..bbd05a59353d 100644 --- a/tests/ui/issues/issue-23544.rs +++ b/tests/ui/issues/issue-23544.rs @@ -3,7 +3,7 @@ pub trait A: Copy {} pub trait D { fn f(self) where T: A; - //~^ ERROR associated type bindings are not allowed here [E0229] + //~^ ERROR associated item constraints are not allowed here [E0229] } fn main() {} diff --git a/tests/ui/issues/issue-23544.stderr b/tests/ui/issues/issue-23544.stderr index 2a7e93f0eb71..8d652a9da279 100644 --- a/tests/ui/issues/issue-23544.stderr +++ b/tests/ui/issues/issue-23544.stderr @@ -1,8 +1,8 @@ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/issue-23544.rs:5:17 | LL | where T: A; - | ^^^^^^^^^^^^^^^^^^^^^^^ associated type not allowed here + | ^^^^^^^^^^^^^^^^^^^^^^^ associated item constraint not allowed here error: aborting due to 1 previous error diff --git a/tests/ui/issues/issue-24682.rs b/tests/ui/issues/issue-24682.rs index 0d1ab73417c0..1bd42f3cbe3e 100644 --- a/tests/ui/issues/issue-24682.rs +++ b/tests/ui/issues/issue-24682.rs @@ -2,17 +2,17 @@ trait A: Sized { type N; fn x() -> Self< - N= //~ ERROR associated type bindings are not allowed here + N= //~ ERROR associated item constraints are not allowed here Self::N> { loop {} } fn y(&self) -> std - //~ ERROR associated type bindings are not allowed here + //~ ERROR associated item constraints are not allowed here ::option::Option<()> { None } fn z(&self) -> - u32 //~ ERROR associated type bindings are not allowed here + u32 //~ ERROR associated item constraints are not allowed here { 42 } } diff --git a/tests/ui/issues/issue-24682.stderr b/tests/ui/issues/issue-24682.stderr index e1943bf4d683..a107e8b52cd5 100644 --- a/tests/ui/issues/issue-24682.stderr +++ b/tests/ui/issues/issue-24682.stderr @@ -1,21 +1,21 @@ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/issue-24682.rs:5:11 | LL | / N= LL | | Self::N> { - | |_________________^ associated type not allowed here + | |_________________^ associated item constraint not allowed here -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/issue-24682.rs:11:13 | LL | - | ^^^^ associated type not allowed here + | ^^^^ associated item constraint not allowed here -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/issue-24682.rs:15:13 | LL | u32 - | ^^^^ associated type not allowed here + | ^^^^ associated item constraint not allowed here error: aborting due to 3 previous errors diff --git a/tests/ui/issues/issue-39687.rs b/tests/ui/issues/issue-39687.rs index cbb721fbb57c..58f981b63d11 100644 --- a/tests/ui/issues/issue-39687.rs +++ b/tests/ui/issues/issue-39687.rs @@ -2,5 +2,5 @@ fn main() { ::call; - //~^ ERROR associated type bindings are not allowed here [E0229] + //~^ ERROR associated item constraints are not allowed here [E0229] } diff --git a/tests/ui/issues/issue-39687.stderr b/tests/ui/issues/issue-39687.stderr index f4742115a199..87e5fdc2d8f2 100644 --- a/tests/ui/issues/issue-39687.stderr +++ b/tests/ui/issues/issue-39687.stderr @@ -1,8 +1,8 @@ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/issue-39687.rs:4:14 | LL | ::call; - | ^^^^ associated type not allowed here + | ^^^^ associated item constraint not allowed here error: aborting due to 1 previous error diff --git a/tests/ui/issues/issue-43431.rs b/tests/ui/issues/issue-43431.rs index e7ec35105f75..0286336910e1 100644 --- a/tests/ui/issues/issue-43431.rs +++ b/tests/ui/issues/issue-43431.rs @@ -7,7 +7,7 @@ trait CallSingle { impl B> CallSingle for F { fn call(&self, a: A) -> B { B>::call(self, (a,)) - //~^ ERROR associated type bindings are not allowed here + //~^ ERROR associated item constraints are not allowed here } } diff --git a/tests/ui/issues/issue-43431.stderr b/tests/ui/issues/issue-43431.stderr index 6d47ba271624..27a720408e4b 100644 --- a/tests/ui/issues/issue-43431.stderr +++ b/tests/ui/issues/issue-43431.stderr @@ -1,8 +1,8 @@ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/issue-43431.rs:9:27 | LL | B>::call(self, (a,)) - | ^ associated type not allowed here + | ^ associated item constraint not allowed here error: aborting due to 1 previous error diff --git a/tests/ui/lifetimes/issue-83753-invalid-associated-type-supertrait-hrtb.rs b/tests/ui/lifetimes/issue-83753-invalid-associated-type-supertrait-hrtb.rs index a47e71afcf0b..78069e682c13 100644 --- a/tests/ui/lifetimes/issue-83753-invalid-associated-type-supertrait-hrtb.rs +++ b/tests/ui/lifetimes/issue-83753-invalid-associated-type-supertrait-hrtb.rs @@ -3,6 +3,6 @@ struct Foo {} impl Foo { fn bar(foo: Foo) {} - //~^ associated type bindings are not allowed here + //~^ associated item constraints are not allowed here } fn main() {} diff --git a/tests/ui/lifetimes/issue-83753-invalid-associated-type-supertrait-hrtb.stderr b/tests/ui/lifetimes/issue-83753-invalid-associated-type-supertrait-hrtb.stderr index d6da842e6aba..f8d919fd68b6 100644 --- a/tests/ui/lifetimes/issue-83753-invalid-associated-type-supertrait-hrtb.stderr +++ b/tests/ui/lifetimes/issue-83753-invalid-associated-type-supertrait-hrtb.stderr @@ -1,10 +1,10 @@ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/issue-83753-invalid-associated-type-supertrait-hrtb.rs:5:21 | LL | fn bar(foo: Foo) {} - | ^^^^^^^^^^^^^^ associated type not allowed here + | ^^^^^^^^^^^^^^ associated item constraint not allowed here | -help: consider removing this type binding +help: consider removing this associated item binding | LL | fn bar(foo: Foo) {} | ~~~~~~~~~~~~~~~~ diff --git a/tests/ui/lifetimes/issue-95023.rs b/tests/ui/lifetimes/issue-95023.rs index ee39a8c49c05..7a67297c7632 100644 --- a/tests/ui/lifetimes/issue-95023.rs +++ b/tests/ui/lifetimes/issue-95023.rs @@ -2,7 +2,7 @@ struct ErrorKind; struct Error(ErrorKind); impl Fn(&isize) for Error { //~^ ERROR manual implementations of `Fn` are experimental [E0183] - //~^^ ERROR associated type bindings are not allowed here [E0229] + //~^^ ERROR associated item constraints are not allowed here [E0229] //~| ERROR not all trait items implemented //~| ERROR expected a `FnMut(&isize)` closure, found `Error` fn foo(&self) -> Self::B<{ N }>; diff --git a/tests/ui/lifetimes/issue-95023.stderr b/tests/ui/lifetimes/issue-95023.stderr index c4285dbf4bdb..feec4f83f78e 100644 --- a/tests/ui/lifetimes/issue-95023.stderr +++ b/tests/ui/lifetimes/issue-95023.stderr @@ -20,11 +20,11 @@ LL | impl Fn(&isize) for Error { | = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/issue-95023.rs:3:6 | LL | impl Fn(&isize) for Error { - | ^^^^^^^^^^ associated type not allowed here + | ^^^^^^^^^^ associated item constraint not allowed here | help: parenthesized trait syntax expands to `Fn<(&isize,), Output=()>` --> $DIR/issue-95023.rs:3:6 diff --git a/tests/ui/methods/method-call-type-binding.rs b/tests/ui/methods/method-call-type-binding.rs index f547ca8d1c2a..290c66fabe3b 100644 --- a/tests/ui/methods/method-call-type-binding.rs +++ b/tests/ui/methods/method-call-type-binding.rs @@ -1,3 +1,3 @@ fn main() { - 0.clone::(); //~ ERROR associated type bindings are not allowed here + 0.clone::(); //~ ERROR associated item constraints are not allowed here } diff --git a/tests/ui/methods/method-call-type-binding.stderr b/tests/ui/methods/method-call-type-binding.stderr index 54d855d340ea..1acb0b2e12b4 100644 --- a/tests/ui/methods/method-call-type-binding.stderr +++ b/tests/ui/methods/method-call-type-binding.stderr @@ -1,8 +1,8 @@ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/method-call-type-binding.rs:2:15 | LL | 0.clone::(); - | ^^^^^^ associated type not allowed here + | ^^^^^^ associated item constraint not allowed here error: aborting due to 1 previous error diff --git a/tests/ui/suggestions/issue-85347.rs b/tests/ui/suggestions/issue-85347.rs index 95e76e76cfa8..5d1a902af304 100644 --- a/tests/ui/suggestions/issue-85347.rs +++ b/tests/ui/suggestions/issue-85347.rs @@ -3,12 +3,12 @@ trait Foo { type Bar<'a>: Deref::Bar>; //~^ ERROR associated type takes 1 lifetime argument but 0 lifetime arguments were supplied //~| HELP add missing - //~| ERROR associated type bindings are not allowed here - //~| HELP consider removing this type binding + //~| ERROR associated item constraints are not allowed here + //~| HELP consider removing this associated item binding //~| ERROR associated type takes 1 lifetime argument but 0 lifetime arguments were supplied //~| HELP add missing - //~| ERROR associated type bindings are not allowed here - //~| HELP consider removing this type binding + //~| ERROR associated item constraints are not allowed here + //~| HELP consider removing this associated item binding } fn main() {} diff --git a/tests/ui/suggestions/issue-85347.stderr b/tests/ui/suggestions/issue-85347.stderr index de0aa09ce49c..b3616041c4cd 100644 --- a/tests/ui/suggestions/issue-85347.stderr +++ b/tests/ui/suggestions/issue-85347.stderr @@ -14,13 +14,13 @@ help: add missing lifetime argument LL | type Bar<'a>: Deref::Bar<'a, Target = Self>>; | +++ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/issue-85347.rs:3:46 | LL | type Bar<'a>: Deref::Bar>; - | ^^^^^^^^^^^^^ associated type not allowed here + | ^^^^^^^^^^^^^ associated item constraint not allowed here | -help: consider removing this type binding +help: consider removing this associated item binding | LL | type Bar<'a>: Deref::Bar>; | ~~~~~~~~~~~~~~~ @@ -42,14 +42,14 @@ help: add missing lifetime argument LL | type Bar<'a>: Deref::Bar<'a, Target = Self>>; | +++ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/issue-85347.rs:3:46 | LL | type Bar<'a>: Deref::Bar>; - | ^^^^^^^^^^^^^ associated type not allowed here + | ^^^^^^^^^^^^^ associated item constraint not allowed here | = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -help: consider removing this type binding +help: consider removing this associated item binding | LL | type Bar<'a>: Deref::Bar>; | ~~~~~~~~~~~~~~~ diff --git a/tests/ui/suggestions/type-ascription-instead-of-path-in-type.rs b/tests/ui/suggestions/type-ascription-instead-of-path-in-type.rs index c98eec4af01c..99f943d71e9e 100644 --- a/tests/ui/suggestions/type-ascription-instead-of-path-in-type.rs +++ b/tests/ui/suggestions/type-ascription-instead-of-path-in-type.rs @@ -8,5 +8,5 @@ fn main() { //~| HELP you might have meant to write a path instead of an associated type bound //~| ERROR struct takes at least 1 generic argument but 0 generic arguments were supplied //~| HELP add missing generic argument - //~| ERROR associated type bindings are not allowed here + //~| ERROR associated item constraints are not allowed here } diff --git a/tests/ui/suggestions/type-ascription-instead-of-path-in-type.stderr b/tests/ui/suggestions/type-ascription-instead-of-path-in-type.stderr index 834c141ec3e1..56b6a69a283f 100644 --- a/tests/ui/suggestions/type-ascription-instead-of-path-in-type.stderr +++ b/tests/ui/suggestions/type-ascription-instead-of-path-in-type.stderr @@ -20,11 +20,11 @@ help: add missing generic argument LL | let _: Vec = A::B; | ++ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/type-ascription-instead-of-path-in-type.rs:6:16 | LL | let _: Vec = A::B; - | ^^^ associated type not allowed here + | ^^^ associated item constraint not allowed here error: aborting due to 3 previous errors diff --git a/tests/ui/traits/issue-87558.rs b/tests/ui/traits/issue-87558.rs index 76f0f7453ddd..61a24f6b9671 100644 --- a/tests/ui/traits/issue-87558.rs +++ b/tests/ui/traits/issue-87558.rs @@ -2,7 +2,7 @@ struct ErrorKind; struct Error(ErrorKind); impl Fn(&isize) for Error { //~^ ERROR manual implementations of `Fn` are experimental - //~| ERROR associated type bindings are not allowed here + //~| ERROR associated item constraints are not allowed here //~| ERROR closure, found `Error` //~| ERROR not all trait items implemented, missing: `call` fn from() {} //~ ERROR method `from` is not a member of trait `Fn` diff --git a/tests/ui/traits/issue-87558.stderr b/tests/ui/traits/issue-87558.stderr index 1ce273a9f25e..21d8fc0f567c 100644 --- a/tests/ui/traits/issue-87558.stderr +++ b/tests/ui/traits/issue-87558.stderr @@ -12,11 +12,11 @@ LL | impl Fn(&isize) for Error { | = help: add `#![feature(unboxed_closures)]` to the crate attributes to enable -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/issue-87558.rs:3:6 | LL | impl Fn(&isize) for Error { - | ^^^^^^^^^^ associated type not allowed here + | ^^^^^^^^^^ associated item constraint not allowed here | help: parenthesized trait syntax expands to `Fn<(&isize,), Output=()>` --> $DIR/issue-87558.rs:3:6 diff --git a/tests/ui/type/pattern_types/bad_const_generics_args_on_const_param.rs b/tests/ui/type/pattern_types/bad_const_generics_args_on_const_param.rs index 050b7b44b4e0..3defe0cb44d3 100644 --- a/tests/ui/type/pattern_types/bad_const_generics_args_on_const_param.rs +++ b/tests/ui/type/pattern_types/bad_const_generics_args_on_const_param.rs @@ -5,6 +5,6 @@ type Pat = std::pat::pattern_type!(u32 is START::<(), i32, 2>..=END::<_, Assoc = ()>); //~^ ERROR type and const arguments are not allowed on const parameter `START` //~| ERROR type arguments are not allowed on const parameter `END` -//~| ERROR associated type bindings are not allowed here +//~| ERROR associated item constraints are not allowed here fn main() {} diff --git a/tests/ui/type/pattern_types/bad_const_generics_args_on_const_param.stderr b/tests/ui/type/pattern_types/bad_const_generics_args_on_const_param.stderr index 40effe924da8..7f4e6e314f53 100644 --- a/tests/ui/type/pattern_types/bad_const_generics_args_on_const_param.stderr +++ b/tests/ui/type/pattern_types/bad_const_generics_args_on_const_param.stderr @@ -26,11 +26,11 @@ note: const parameter `END` defined here LL | type Pat = | ^^^ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/bad_const_generics_args_on_const_param.rs:5:67 | LL | std::pat::pattern_type!(u32 is START::<(), i32, 2>..=END::<_, Assoc = ()>); - | ^^^^^^^^^^ associated type not allowed here + | ^^^^^^^^^^ associated item constraint not allowed here error: aborting due to 3 previous errors diff --git a/tests/ui/typeck/escaping_bound_vars.rs b/tests/ui/typeck/escaping_bound_vars.rs index 985a3fdbccf3..3cde041f1858 100644 --- a/tests/ui/typeck/escaping_bound_vars.rs +++ b/tests/ui/typeck/escaping_bound_vars.rs @@ -10,7 +10,7 @@ pub fn test() where (): Test<{ 1 + (<() as Elide(&())>::call) }>, //~^ ERROR cannot capture late-bound lifetime in constant - //~| ERROR associated type bindings are not allowed here + //~| ERROR associated item constraints are not allowed here { } diff --git a/tests/ui/typeck/escaping_bound_vars.stderr b/tests/ui/typeck/escaping_bound_vars.stderr index bd9c95fab979..f383099ce13b 100644 --- a/tests/ui/typeck/escaping_bound_vars.stderr +++ b/tests/ui/typeck/escaping_bound_vars.stderr @@ -6,11 +6,11 @@ LL | (): Test<{ 1 + (<() as Elide(&())>::call) }>, | | | lifetime defined here -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/escaping_bound_vars.rs:11:28 | LL | (): Test<{ 1 + (<() as Elide(&())>::call) }>, - | ^^^^^^^^^^ associated type not allowed here + | ^^^^^^^^^^ associated item constraint not allowed here error: aborting due to 2 previous errors diff --git a/tests/ui/typeck/issue-83693.rs b/tests/ui/typeck/issue-83693.rs index a4255822056d..02a0bb30d7ce 100644 --- a/tests/ui/typeck/issue-83693.rs +++ b/tests/ui/typeck/issue-83693.rs @@ -8,12 +8,12 @@ impl F { fn call() { ::call //~^ ERROR: cannot find type `TestResult` in this scope [E0412] - //~| associated type bindings are not allowed here [E0229] + //~| associated item constraints are not allowed here [E0229] } } fn call() { ::call //~^ ERROR: cannot find type `x` in this scope [E0412] - //~| ERROR: associated type bindings are not allowed here [E0229] + //~| ERROR: associated item constraints are not allowed here [E0229] } diff --git a/tests/ui/typeck/issue-83693.stderr b/tests/ui/typeck/issue-83693.stderr index ce4f73b820a1..34bca426116e 100644 --- a/tests/ui/typeck/issue-83693.stderr +++ b/tests/ui/typeck/issue-83693.stderr @@ -19,17 +19,17 @@ error[E0412]: cannot find type `x` in this scope LL | ::call | ^ not found in this scope -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/issue-83693.rs:9:18 | LL | ::call - | ^^^^^^^^^^^^^^^ associated type not allowed here + | ^^^^^^^^^^^^^^^ associated item constraint not allowed here -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/issue-83693.rs:16:11 | LL | ::call - | ^^^^^^^^^^ associated type not allowed here + | ^^^^^^^^^^ associated item constraint not allowed here error: aborting due to 5 previous errors diff --git a/tests/ui/typeck/issue-84768.rs b/tests/ui/typeck/issue-84768.rs index ffa92823b42f..3ba5dffcf07a 100644 --- a/tests/ui/typeck/issue-84768.rs +++ b/tests/ui/typeck/issue-84768.rs @@ -5,6 +5,6 @@ fn transform_mut(f: F) where F: for<'b> FnOnce(&'b mut u8) { ::call_once(f, 1) - //~^ ERROR: associated type bindings are not allowed here [E0229] + //~^ ERROR: associated item constraints are not allowed here [E0229] //~| ERROR: mismatched types [E0308] } diff --git a/tests/ui/typeck/issue-84768.stderr b/tests/ui/typeck/issue-84768.stderr index 3d2d53f5c76c..72784ba59c9b 100644 --- a/tests/ui/typeck/issue-84768.stderr +++ b/tests/ui/typeck/issue-84768.stderr @@ -1,8 +1,8 @@ -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/issue-84768.rs:7:11 | LL | ::call_once(f, 1) - | ^^^^^^^^^^^^^^^ associated type not allowed here + | ^^^^^^^^^^^^^^^ associated item constraint not allowed here error[E0308]: mismatched types --> $DIR/issue-84768.rs:7:42 diff --git a/tests/ui/typeck/issue-91267.rs b/tests/ui/typeck/issue-91267.rs index 4e39cfab5b43..1bffa09e6436 100644 --- a/tests/ui/typeck/issue-91267.rs +++ b/tests/ui/typeck/issue-91267.rs @@ -3,6 +3,6 @@ fn main() { type_ascribe!(0, u8=e>) //~^ ERROR: cannot find type `e` in this scope [E0412] - //~| ERROR: associated type bindings are not allowed here [E0229] + //~| ERROR: associated item constraints are not allowed here [E0229] //~| ERROR: mismatched types [E0308] } diff --git a/tests/ui/typeck/issue-91267.stderr b/tests/ui/typeck/issue-91267.stderr index 399309d0ec44..d16b1997e9f7 100644 --- a/tests/ui/typeck/issue-91267.stderr +++ b/tests/ui/typeck/issue-91267.stderr @@ -4,11 +4,11 @@ error[E0412]: cannot find type `e` in this scope LL | type_ascribe!(0, u8=e>) | ^ not found in this scope -error[E0229]: associated type bindings are not allowed here +error[E0229]: associated item constraints are not allowed here --> $DIR/issue-91267.rs:4:25 | LL | type_ascribe!(0, u8=e>) - | ^^^^^^ associated type not allowed here + | ^^^^^^ associated item constraint not allowed here error[E0308]: mismatched types --> $DIR/issue-91267.rs:4:5 From 040edea332a2767aed540b725c38a37167e17fdb Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Le=C3=B3n=20Orell=20Valerian=20Liehr?= Date: Mon, 27 May 2024 23:53:46 +0200 Subject: [PATCH 0800/1716] Rename HIR `TypeBinding` to `AssocItemConstraint` and related cleanup --- clippy_lints/src/implied_bounds_in_impls.rs | 54 ++++++++++----------- clippy_lints/src/len_zero.rs | 17 +++---- clippy_lints/src/manual_async_fn.rs | 10 ++-- clippy_utils/src/ast_utils.rs | 6 +-- clippy_utils/src/hir_utils.rs | 8 +-- 5 files changed, 44 insertions(+), 51 deletions(-) diff --git a/clippy_lints/src/implied_bounds_in_impls.rs b/clippy_lints/src/implied_bounds_in_impls.rs index dc935ed3d7fe..2b389d4f9b19 100644 --- a/clippy_lints/src/implied_bounds_in_impls.rs +++ b/clippy_lints/src/implied_bounds_in_impls.rs @@ -3,7 +3,7 @@ use clippy_utils::source::snippet; use rustc_errors::{Applicability, SuggestionStyle}; use rustc_hir::def_id::DefId; use rustc_hir::{ - GenericArg, GenericBound, GenericBounds, ItemKind, PredicateOrigin, TraitBoundModifier, TyKind, TypeBinding, + GenericArg, GenericBound, GenericBounds, ItemKind, PredicateOrigin, TraitBoundModifier, TyKind, AssocItemConstraint, WherePredicate, }; use rustc_hir_analysis::lower_ty; @@ -54,9 +54,9 @@ fn emit_lint( poly_trait: &rustc_hir::PolyTraitRef<'_>, bounds: GenericBounds<'_>, index: usize, - // The bindings that were implied, used for suggestion purposes since removing a bound with associated types - // means we might need to then move it to a different bound - implied_bindings: &[TypeBinding<'_>], + // The constraints that were implied, used for suggestion purposes since removing a bound with + // associated types means we might need to then move it to a different bound. + implied_constraints: &[AssocItemConstraint<'_>], bound: &ImplTraitBound<'_>, ) { let implied_by = snippet(cx, bound.span, ".."); @@ -83,29 +83,29 @@ fn emit_lint( let mut sugg = vec![(implied_span_extended, String::new())]; - // We also might need to include associated type binding that were specified in the implied bound, + // We also might need to include associated item constraints that were specified in the implied bound, // but omitted in the implied-by bound: // `fn f() -> impl Deref + DerefMut` // If we're going to suggest removing `Deref<..>`, we'll need to put `` on `DerefMut` - let omitted_assoc_tys: Vec<_> = implied_bindings + let omitted_constraints: Vec<_> = implied_constraints .iter() - .filter(|binding| !bound.bindings.iter().any(|b| b.ident == binding.ident)) + .filter(|constraint| !bound.constraints.iter().any(|c| c.ident == constraint.ident)) .collect(); - if !omitted_assoc_tys.is_empty() { - // `<>` needs to be added if there aren't yet any generic arguments or bindings - let needs_angle_brackets = bound.args.is_empty() && bound.bindings.is_empty(); - let insert_span = match (bound.args, bound.bindings) { - ([.., arg], [.., binding]) => arg.span().max(binding.span).shrink_to_hi(), + if !omitted_constraints.is_empty() { + // `<>` needs to be added if there aren't yet any generic arguments or constraints + let needs_angle_brackets = bound.args.is_empty() && bound.constraints.is_empty(); + let insert_span = match (bound.args, bound.constraints) { + ([.., arg], [.., constraint]) => arg.span().max(constraint.span).shrink_to_hi(), ([.., arg], []) => arg.span().shrink_to_hi(), - ([], [.., binding]) => binding.span.shrink_to_hi(), + ([], [.., constraint]) => constraint.span.shrink_to_hi(), ([], []) => bound.span.shrink_to_hi(), }; - let mut associated_tys_sugg = if needs_angle_brackets { + let mut constraints_sugg = if needs_angle_brackets { "<".to_owned() } else { - // If angle brackets aren't needed (i.e., there are already generic arguments or bindings), + // If angle brackets aren't needed (i.e., there are already generic arguments or constraints), // we need to add a comma: // `impl A` // ^ if we insert `Assoc=i32` without a comma here, that'd be invalid syntax: @@ -113,16 +113,16 @@ fn emit_lint( ", ".to_owned() }; - for (index, binding) in omitted_assoc_tys.into_iter().enumerate() { + for (index, constraint) in omitted_constraints.into_iter().enumerate() { if index > 0 { - associated_tys_sugg += ", "; + constraints_sugg += ", "; } - associated_tys_sugg += &snippet(cx, binding.span, ".."); + constraints_sugg += &snippet(cx, constraint.span, ".."); } if needs_angle_brackets { - associated_tys_sugg += ">"; + constraints_sugg += ">"; } - sugg.push((insert_span, associated_tys_sugg)); + sugg.push((insert_span, constraints_sugg)); } diag.multipart_suggestion_with_style( @@ -229,8 +229,8 @@ struct ImplTraitBound<'tcx> { trait_def_id: DefId, /// The generic arguments on the `impl Trait` bound args: &'tcx [GenericArg<'tcx>], - /// The associated types on this bound - bindings: &'tcx [TypeBinding<'tcx>], + /// The associated item constraints of this bound + constraints: &'tcx [AssocItemConstraint<'tcx>], } /// Given an `impl Trait` type, gets all the supertraits from each bound ("implied bounds"). @@ -253,7 +253,7 @@ fn collect_supertrait_bounds<'tcx>(cx: &LateContext<'tcx>, bounds: GenericBounds Some(ImplTraitBound { predicates, args: path.args.map_or([].as_slice(), |p| p.args), - bindings: path.args.map_or([].as_slice(), |p| p.bindings), + constraints: path.args.map_or([].as_slice(), |p| p.constraints), trait_def_id, span: bound.span(), }) @@ -310,20 +310,20 @@ fn check<'tcx>(cx: &LateContext<'tcx>, bounds: GenericBounds<'tcx>) { if let GenericBound::Trait(poly_trait, TraitBoundModifier::None) = bound && let [.., path] = poly_trait.trait_ref.path.segments && let implied_args = path.args.map_or([].as_slice(), |a| a.args) - && let implied_bindings = path.args.map_or([].as_slice(), |a| a.bindings) + && let implied_constraints = path.args.map_or([].as_slice(), |a| a.constraints) && let Some(def_id) = poly_trait.trait_ref.path.res.opt_def_id() && let Some(bound) = find_bound_in_supertraits(cx, def_id, implied_args, &supertraits) // If the implied bound has a type binding that also exists in the implied-by trait, // then we shouldn't lint. See #11880 for an example. && let assocs = cx.tcx.associated_items(bound.trait_def_id) - && !implied_bindings.iter().any(|binding| { + && !implied_constraints.iter().any(|constraint| { assocs - .filter_by_name_unhygienic(binding.ident.name) + .filter_by_name_unhygienic(constraint.ident.name) .next() .is_some_and(|assoc| assoc.kind == ty::AssocKind::Type) }) { - emit_lint(cx, poly_trait, bounds, index, implied_bindings, bound); + emit_lint(cx, poly_trait, bounds, index, implied_constraints, bound); } } } diff --git a/clippy_lints/src/len_zero.rs b/clippy_lints/src/len_zero.rs index 97a245b76d44..2091e74665fb 100644 --- a/clippy_lints/src/len_zero.rs +++ b/clippy_lints/src/len_zero.rs @@ -9,7 +9,7 @@ use rustc_hir::def_id::{DefId, DefIdSet}; use rustc_hir::{ AssocItemKind, BinOpKind, Expr, ExprKind, FnRetTy, GenericArg, GenericBound, ImplItem, ImplItemKind, ImplicitSelfKind, Item, ItemKind, Mutability, Node, OpaqueTyOrigin, PatKind, PathSegment, PrimTy, QPath, - TraitItemRef, TyKind, TypeBindingKind, + TraitItemRef, TyKind, }; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty::{self, AssocKind, FnSig, Ty}; @@ -307,17 +307,12 @@ fn extract_future_output<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> Option<& && let [GenericBound::Trait(trait_ref, _)] = &opaque.bounds && let Some(segment) = trait_ref.trait_ref.path.segments.last() && let Some(generic_args) = segment.args - && generic_args.bindings.len() == 1 - && let TypeBindingKind::Equality { - term: - rustc_hir::Term::Ty(rustc_hir::Ty { - kind: TyKind::Path(QPath::Resolved(_, path)), - .. - }), - } = &generic_args.bindings[0].kind - && path.segments.len() == 1 + && let [constraint] = generic_args.constraints + && let Some(ty) = constraint.ty() + && let TyKind::Path(QPath::Resolved(_, path)) = ty.kind + && let [segment] = path.segments { - return Some(&path.segments[0]); + return Some(segment); } None diff --git a/clippy_lints/src/manual_async_fn.rs b/clippy_lints/src/manual_async_fn.rs index 4cd5f3b81e52..25c7e5d38b31 100644 --- a/clippy_lints/src/manual_async_fn.rs +++ b/clippy_lints/src/manual_async_fn.rs @@ -4,8 +4,7 @@ use rustc_errors::Applicability; use rustc_hir::intravisit::FnKind; use rustc_hir::{ Block, Body, Closure, ClosureKind, CoroutineDesugaring, CoroutineKind, CoroutineSource, Expr, ExprKind, FnDecl, - FnRetTy, GenericArg, GenericBound, ImplItem, Item, ItemKind, LifetimeName, Node, Term, TraitRef, Ty, TyKind, - TypeBindingKind, + FnRetTy, GenericArg, GenericBound, ImplItem, Item, ItemKind, LifetimeName, Node, TraitRef, Ty, TyKind, }; use rustc_lint::{LateContext, LateLintPass}; use rustc_session::declare_lint_pass; @@ -138,10 +137,9 @@ fn future_trait_ref<'tcx>( fn future_output_ty<'tcx>(trait_ref: &'tcx TraitRef<'tcx>) -> Option<&'tcx Ty<'tcx>> { if let Some(segment) = trait_ref.path.segments.last() && let Some(args) = segment.args - && args.bindings.len() == 1 - && let binding = &args.bindings[0] - && binding.ident.name == sym::Output - && let TypeBindingKind::Equality { term: Term::Ty(output) } = binding.kind + && let [constraint] = args.constraints + && constraint.ident.name == sym::Output + && let Some(output) = constraint.ty() { return Some(output); } diff --git a/clippy_utils/src/ast_utils.rs b/clippy_utils/src/ast_utils.rs index d4a5f547211a..bbdde3049dbd 100644 --- a/clippy_utils/src/ast_utils.rs +++ b/clippy_utils/src/ast_utils.rs @@ -108,7 +108,7 @@ pub fn eq_generic_args(l: &GenericArgs, r: &GenericArgs) -> bool { pub fn eq_angle_arg(l: &AngleBracketedArg, r: &AngleBracketedArg) -> bool { match (l, r) { (AngleBracketedArg::Arg(l), AngleBracketedArg::Arg(r)) => eq_generic_arg(l, r), - (AngleBracketedArg::Constraint(l), AngleBracketedArg::Constraint(r)) => eq_assoc_constraint(l, r), + (AngleBracketedArg::Constraint(l), AngleBracketedArg::Constraint(r)) => eq_assoc_item_constraint(l, r), _ => false, } } @@ -802,8 +802,8 @@ fn eq_term(l: &Term, r: &Term) -> bool { } } -pub fn eq_assoc_constraint(l: &AssocConstraint, r: &AssocConstraint) -> bool { - use AssocConstraintKind::*; +pub fn eq_assoc_item_constraint(l: &AssocItemConstraint, r: &AssocItemConstraint) -> bool { + use AssocItemConstraintKind::*; eq_id(l.ident, r.ident) && match (&l.kind, &r.kind) { (Equality { term: l }, Equality { term: r }) => eq_term(l, r), diff --git a/clippy_utils/src/hir_utils.rs b/clippy_utils/src/hir_utils.rs index 9f285621e0c9..36634817fc91 100644 --- a/clippy_utils/src/hir_utils.rs +++ b/clippy_utils/src/hir_utils.rs @@ -9,7 +9,7 @@ use rustc_hir::MatchSource::TryDesugar; use rustc_hir::{ ArrayLen, BinOpKind, BindingMode, Block, BodyId, Closure, Expr, ExprField, ExprKind, FnRetTy, GenericArg, GenericArgs, HirId, HirIdMap, InlineAsmOperand, LetExpr, Lifetime, LifetimeName, Pat, PatField, PatKind, Path, - PathSegment, PrimTy, QPath, Stmt, StmtKind, Ty, TyKind, TypeBinding, + PathSegment, PrimTy, QPath, Stmt, StmtKind, Ty, TyKind, AssocItemConstraint, }; use rustc_lexer::{tokenize, TokenKind}; use rustc_lint::LateContext; @@ -486,7 +486,7 @@ impl HirEqInterExpr<'_, '_, '_> { fn eq_path_parameters(&mut self, left: &GenericArgs<'_>, right: &GenericArgs<'_>) -> bool { if left.parenthesized == right.parenthesized { over(left.args, right.args, |l, r| self.eq_generic_arg(l, r)) // FIXME(flip1995): may not work - && over(left.bindings, right.bindings, |l, r| self.eq_type_binding(l, r)) + && over(left.constraints, right.constraints, |l, r| self.eq_assoc_type_binding(l, r)) } else { false } @@ -518,8 +518,8 @@ impl HirEqInterExpr<'_, '_, '_> { } } - fn eq_type_binding(&mut self, left: &TypeBinding<'_>, right: &TypeBinding<'_>) -> bool { - left.ident.name == right.ident.name && self.eq_ty(left.ty(), right.ty()) + fn eq_assoc_type_binding(&mut self, left: &AssocItemConstraint<'_>, right: &AssocItemConstraint<'_>) -> bool { + left.ident.name == right.ident.name && self.eq_ty(left.ty().expect("expected assoc type binding"), right.ty().expect("expected assoc type binding")) } fn check_ctxt(&mut self, left: SyntaxContext, right: SyntaxContext) -> bool { From 86afea97fdc3e4c1c8ad441bd68f7988f660aba0 Mon Sep 17 00:00:00 2001 From: Waffle Maybe Date: Fri, 31 May 2024 00:46:07 +0200 Subject: [PATCH 0801/1716] Don't recompute `tail` in `lower_stmts` --- compiler/rustc_ast_lowering/src/block.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/compiler/rustc_ast_lowering/src/block.rs b/compiler/rustc_ast_lowering/src/block.rs index eef6e8280afb..e821a08bf181 100644 --- a/compiler/rustc_ast_lowering/src/block.rs +++ b/compiler/rustc_ast_lowering/src/block.rs @@ -76,7 +76,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { StmtKind::Empty => {} StmtKind::MacCall(..) => panic!("shouldn't exist here"), } - ast_stmts = &ast_stmts[1..]; + ast_stmts = tail; } (self.arena.alloc_from_iter(stmts), expr) } From e485b193d07a77495dcdcb3f52f5976c9c9ca1f4 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Thu, 30 May 2024 19:45:27 -0400 Subject: [PATCH 0802/1716] Don't drop Upcast candidate in intercrate mode --- .../src/traits/select/candidate_assembly.rs | 6 ++++++ .../ui/specialization/dont-drop-upcast-candidate.rs | 13 +++++++++++++ .../dont-drop-upcast-candidate.stderr | 11 +++++++++++ 3 files changed, 30 insertions(+) create mode 100644 tests/ui/specialization/dont-drop-upcast-candidate.rs create mode 100644 tests/ui/specialization/dont-drop-upcast-candidate.stderr diff --git a/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs b/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs index fd7c47ad6fb3..f0ecbd833410 100644 --- a/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs +++ b/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs @@ -921,6 +921,12 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { param_env: ty::ParamEnv<'tcx>, cause: &ObligationCause<'tcx>, ) -> Option> { + // Don't drop any candidates in intercrate mode, as it's incomplete. + // (Not that it matters, since `Unsize` is not a stable trait.) + if self.infcx.intercrate { + return None; + } + let tcx = self.tcx(); if tcx.features().trait_upcasting { return None; diff --git a/tests/ui/specialization/dont-drop-upcast-candidate.rs b/tests/ui/specialization/dont-drop-upcast-candidate.rs new file mode 100644 index 000000000000..98d8cad7c1fb --- /dev/null +++ b/tests/ui/specialization/dont-drop-upcast-candidate.rs @@ -0,0 +1,13 @@ +#![feature(unsize)] + +use std::marker::Unsize; +use std::ops::Deref; + +trait Foo: Bar {} +trait Bar {} + +impl Bar for T where dyn Foo: Unsize {} +impl Bar for () {} +//~^ ERROR conflicting implementations of trait `Bar` for type `()` + +fn main() {} diff --git a/tests/ui/specialization/dont-drop-upcast-candidate.stderr b/tests/ui/specialization/dont-drop-upcast-candidate.stderr new file mode 100644 index 000000000000..dc0c54f9aa82 --- /dev/null +++ b/tests/ui/specialization/dont-drop-upcast-candidate.stderr @@ -0,0 +1,11 @@ +error[E0119]: conflicting implementations of trait `Bar` for type `()` + --> $DIR/dont-drop-upcast-candidate.rs:10:1 + | +LL | impl Bar for T where dyn Foo: Unsize {} + | ------------------------------------------------ first implementation here +LL | impl Bar for () {} + | ^^^^^^^^^^^^^^^ conflicting implementation for `()` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0119`. From e110567dcdf7b77cda5f3413af7c6fadec899a9a Mon Sep 17 00:00:00 2001 From: Camille GILLOT Date: Fri, 31 May 2024 00:22:40 +0000 Subject: [PATCH 0803/1716] Revert "Auto merge of #115105 - cjgillot:dest-prop-default, r=oli-obk" This reverts commit cfb730450f847bb622243eaaab15e77e58d91767, reversing changes made to 91c0823ee63e793d990bb9fed898dc95b5d6db51. --- compiler/rustc_mir_transform/src/dest_prop.rs | 2 +- compiler/rustc_mir_transform/src/lib.rs | 4 +- compiler/rustc_mir_transform/src/nrvo.rs | 235 ++++++++++++++++++ ...in.DestinationPropagation.panic-abort.diff | 2 +- ...n.DestinationPropagation.panic-unwind.diff | 2 +- .../{dest-prop => }/nrvo_miscompile_111005.rs | 4 +- ...mpile_111005.wrong.RenameReturnPlace.diff} | 7 +- ...e.nrvo.RenameReturnPlace.panic-abort.diff} | 31 ++- ....nrvo.RenameReturnPlace.panic-unwind.diff} | 31 ++- .../nrvo_borrowed.rs => nrvo_simple.rs} | 4 +- ....{impl#0}-partial_cmp.PreCodegen.after.mir | 32 +-- ...ward_loop.PreCodegen.after.panic-abort.mir | 64 ++--- ...ard_loop.PreCodegen.after.panic-unwind.mir | 64 ++--- ...ated_loop.PreCodegen.after.panic-abort.mir | 80 +++--- ...ted_loop.PreCodegen.after.panic-unwind.mir | 80 +++--- ...ward_loop.PreCodegen.after.panic-abort.mir | 66 ++--- ...ard_loop.PreCodegen.after.panic-unwind.mir | 66 ++--- ...ange_loop.PreCodegen.after.panic-abort.mir | 56 +++-- ...nge_loop.PreCodegen.after.panic-unwind.mir | 56 +++-- ...erse_loop.PreCodegen.after.panic-abort.mir | 74 +++--- ...rse_loop.PreCodegen.after.panic-unwind.mir | 74 +++--- 21 files changed, 661 insertions(+), 373 deletions(-) create mode 100644 compiler/rustc_mir_transform/src/nrvo.rs rename tests/mir-opt/{dest-prop => }/nrvo_miscompile_111005.rs (78%) rename tests/mir-opt/{dest-prop/nrvo_miscompile_111005.wrong.DestinationPropagation.diff => nrvo_miscompile_111005.wrong.RenameReturnPlace.diff} (60%) rename tests/mir-opt/{dest-prop/nrvo_borrowed.nrvo.DestinationPropagation.panic-abort.diff => nrvo_simple.nrvo.RenameReturnPlace.panic-abort.diff} (53%) rename tests/mir-opt/{dest-prop/nrvo_borrowed.nrvo.DestinationPropagation.panic-unwind.diff => nrvo_simple.nrvo.RenameReturnPlace.panic-unwind.diff} (53%) rename tests/mir-opt/{dest-prop/nrvo_borrowed.rs => nrvo_simple.rs} (68%) diff --git a/compiler/rustc_mir_transform/src/dest_prop.rs b/compiler/rustc_mir_transform/src/dest_prop.rs index f0778594353d..b1016c0867c6 100644 --- a/compiler/rustc_mir_transform/src/dest_prop.rs +++ b/compiler/rustc_mir_transform/src/dest_prop.rs @@ -160,7 +160,7 @@ impl<'tcx> MirPass<'tcx> for DestinationPropagation { // 2. Despite being an overall perf improvement, this still causes a 30% regression in // keccak. We can temporarily fix this by bounding function size, but in the long term // we should fix this by being smarter about invalidating analysis results. - sess.mir_opt_level() >= 2 + sess.mir_opt_level() >= 3 } fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) { diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs index b03c99654e22..a8741254ffbf 100644 --- a/compiler/rustc_mir_transform/src/lib.rs +++ b/compiler/rustc_mir_transform/src/lib.rs @@ -88,6 +88,7 @@ mod match_branches; mod mentioned_items; mod multiple_return_terminators; mod normalize_array_len; +mod nrvo; mod prettify; mod promote_consts; mod ref_prop; @@ -607,12 +608,13 @@ fn run_optimization_passes<'tcx>(tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) { &jump_threading::JumpThreading, &early_otherwise_branch::EarlyOtherwiseBranch, &simplify_comparison_integral::SimplifyComparisonIntegral, + &dest_prop::DestinationPropagation, &o1(simplify_branches::SimplifyConstCondition::Final), &o1(remove_noop_landing_pads::RemoveNoopLandingPads), &o1(simplify::SimplifyCfg::Final), ©_prop::CopyProp, &dead_store_elimination::DeadStoreElimination::Final, - &dest_prop::DestinationPropagation, + &nrvo::RenameReturnPlace, &simplify::SimplifyLocals::Final, &multiple_return_terminators::MultipleReturnTerminators, &deduplicate_blocks::DeduplicateBlocks, diff --git a/compiler/rustc_mir_transform/src/nrvo.rs b/compiler/rustc_mir_transform/src/nrvo.rs new file mode 100644 index 000000000000..885dbd5f3393 --- /dev/null +++ b/compiler/rustc_mir_transform/src/nrvo.rs @@ -0,0 +1,235 @@ +//! See the docs for [`RenameReturnPlace`]. + +use rustc_hir::Mutability; +use rustc_index::bit_set::BitSet; +use rustc_middle::bug; +use rustc_middle::mir::visit::{MutVisitor, NonUseContext, PlaceContext, Visitor}; +use rustc_middle::mir::{self, BasicBlock, Local, Location}; +use rustc_middle::ty::TyCtxt; + +use crate::MirPass; + +/// This pass looks for MIR that always copies the same local into the return place and eliminates +/// the copy by renaming all uses of that local to `_0`. +/// +/// This allows LLVM to perform an optimization similar to the named return value optimization +/// (NRVO) that is guaranteed in C++. This avoids a stack allocation and `memcpy` for the +/// relatively common pattern of allocating a buffer on the stack, mutating it, and returning it by +/// value like so: +/// +/// ```rust +/// fn foo(init: fn(&mut [u8; 1024])) -> [u8; 1024] { +/// let mut buf = [0; 1024]; +/// init(&mut buf); +/// buf +/// } +/// ``` +/// +/// For now, this pass is very simple and only capable of eliminating a single copy. A more general +/// version of copy propagation, such as the one based on non-overlapping live ranges in [#47954] and +/// [#71003], could yield even more benefits. +/// +/// [#47954]: https://github.com/rust-lang/rust/pull/47954 +/// [#71003]: https://github.com/rust-lang/rust/pull/71003 +pub struct RenameReturnPlace; + +impl<'tcx> MirPass<'tcx> for RenameReturnPlace { + fn is_enabled(&self, sess: &rustc_session::Session) -> bool { + // unsound: #111005 + sess.mir_opt_level() > 0 && sess.opts.unstable_opts.unsound_mir_opts + } + + fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut mir::Body<'tcx>) { + let def_id = body.source.def_id(); + let Some(returned_local) = local_eligible_for_nrvo(body) else { + debug!("`{:?}` was ineligible for NRVO", def_id); + return; + }; + + if !tcx.consider_optimizing(|| format!("RenameReturnPlace {def_id:?}")) { + return; + } + + debug!( + "`{:?}` was eligible for NRVO, making {:?} the return place", + def_id, returned_local + ); + + RenameToReturnPlace { tcx, to_rename: returned_local }.visit_body_preserves_cfg(body); + + // Clean up the `NOP`s we inserted for statements made useless by our renaming. + for block_data in body.basic_blocks.as_mut_preserves_cfg() { + block_data.statements.retain(|stmt| stmt.kind != mir::StatementKind::Nop); + } + + // Overwrite the debuginfo of `_0` with that of the renamed local. + let (renamed_decl, ret_decl) = + body.local_decls.pick2_mut(returned_local, mir::RETURN_PLACE); + + // Sometimes, the return place is assigned a local of a different but coercible type, for + // example `&mut T` instead of `&T`. Overwriting the `LocalInfo` for the return place means + // its type may no longer match the return type of its function. This doesn't cause a + // problem in codegen because these two types are layout-compatible, but may be unexpected. + debug!("_0: {:?} = {:?}: {:?}", ret_decl.ty, returned_local, renamed_decl.ty); + ret_decl.clone_from(renamed_decl); + + // The return place is always mutable. + ret_decl.mutability = Mutability::Mut; + } +} + +/// MIR that is eligible for the NRVO must fulfill two conditions: +/// 1. The return place must not be read prior to the `Return` terminator. +/// 2. A simple assignment of a whole local to the return place (e.g., `_0 = _1`) must be the +/// only definition of the return place reaching the `Return` terminator. +/// +/// If the MIR fulfills both these conditions, this function returns the `Local` that is assigned +/// to the return place along all possible paths through the control-flow graph. +fn local_eligible_for_nrvo(body: &mir::Body<'_>) -> Option { + if IsReturnPlaceRead::run(body) { + return None; + } + + let mut copied_to_return_place = None; + for block in body.basic_blocks.indices() { + // Look for blocks with a `Return` terminator. + if !matches!(body[block].terminator().kind, mir::TerminatorKind::Return) { + continue; + } + + // Look for an assignment of a single local to the return place prior to the `Return`. + let returned_local = find_local_assigned_to_return_place(block, body)?; + match body.local_kind(returned_local) { + // FIXME: Can we do this for arguments as well? + mir::LocalKind::Arg => return None, + + mir::LocalKind::ReturnPointer => bug!("Return place was assigned to itself?"), + mir::LocalKind::Temp => {} + } + + // If multiple different locals are copied to the return place. We can't pick a + // single one to rename. + if copied_to_return_place.is_some_and(|old| old != returned_local) { + return None; + } + + copied_to_return_place = Some(returned_local); + } + + copied_to_return_place +} + +fn find_local_assigned_to_return_place(start: BasicBlock, body: &mir::Body<'_>) -> Option { + let mut block = start; + let mut seen = BitSet::new_empty(body.basic_blocks.len()); + + // Iterate as long as `block` has exactly one predecessor that we have not yet visited. + while seen.insert(block) { + trace!("Looking for assignments to `_0` in {:?}", block); + + let local = body[block].statements.iter().rev().find_map(as_local_assigned_to_return_place); + if local.is_some() { + return local; + } + + match body.basic_blocks.predecessors()[block].as_slice() { + &[pred] => block = pred, + _ => return None, + } + } + + None +} + +// If this statement is an assignment of an unprojected local to the return place, +// return that local. +fn as_local_assigned_to_return_place(stmt: &mir::Statement<'_>) -> Option { + if let mir::StatementKind::Assign(box (lhs, rhs)) = &stmt.kind { + if lhs.as_local() == Some(mir::RETURN_PLACE) { + if let mir::Rvalue::Use(mir::Operand::Copy(rhs) | mir::Operand::Move(rhs)) = rhs { + return rhs.as_local(); + } + } + } + + None +} + +struct RenameToReturnPlace<'tcx> { + to_rename: Local, + tcx: TyCtxt<'tcx>, +} + +/// Replaces all uses of `self.to_rename` with `_0`. +impl<'tcx> MutVisitor<'tcx> for RenameToReturnPlace<'tcx> { + fn tcx(&self) -> TyCtxt<'tcx> { + self.tcx + } + + fn visit_statement(&mut self, stmt: &mut mir::Statement<'tcx>, loc: Location) { + // Remove assignments of the local being replaced to the return place, since it is now the + // return place: + // _0 = _1 + if as_local_assigned_to_return_place(stmt) == Some(self.to_rename) { + stmt.kind = mir::StatementKind::Nop; + return; + } + + // Remove storage annotations for the local being replaced: + // StorageLive(_1) + if let mir::StatementKind::StorageLive(local) | mir::StatementKind::StorageDead(local) = + stmt.kind + { + if local == self.to_rename { + stmt.kind = mir::StatementKind::Nop; + return; + } + } + + self.super_statement(stmt, loc) + } + + fn visit_terminator(&mut self, terminator: &mut mir::Terminator<'tcx>, loc: Location) { + // Ignore the implicit "use" of the return place in a `Return` statement. + if let mir::TerminatorKind::Return = terminator.kind { + return; + } + + self.super_terminator(terminator, loc); + } + + fn visit_local(&mut self, l: &mut Local, ctxt: PlaceContext, _: Location) { + if *l == mir::RETURN_PLACE { + assert_eq!(ctxt, PlaceContext::NonUse(NonUseContext::VarDebugInfo)); + } else if *l == self.to_rename { + *l = mir::RETURN_PLACE; + } + } +} + +struct IsReturnPlaceRead(bool); + +impl IsReturnPlaceRead { + fn run(body: &mir::Body<'_>) -> bool { + let mut vis = IsReturnPlaceRead(false); + vis.visit_body(body); + vis.0 + } +} + +impl<'tcx> Visitor<'tcx> for IsReturnPlaceRead { + fn visit_local(&mut self, l: Local, ctxt: PlaceContext, _: Location) { + if l == mir::RETURN_PLACE && ctxt.is_use() && !ctxt.is_place_assignment() { + self.0 = true; + } + } + + fn visit_terminator(&mut self, terminator: &mir::Terminator<'tcx>, loc: Location) { + // Ignore the implicit "use" of the return place in a `Return` statement. + if let mir::TerminatorKind::Return = terminator.kind { + return; + } + + self.super_terminator(terminator, loc); + } +} diff --git a/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-abort.diff b/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-abort.diff index b596e25ddfdf..570ec129f06e 100644 --- a/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-abort.diff +++ b/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-abort.diff @@ -18,7 +18,7 @@ bb0: { StorageLive(_1); StorageLive(_2); - nop; + _2 = const 1_u32; _1 = Un { us: const 1_u32 }; StorageDead(_2); StorageLive(_3); diff --git a/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-unwind.diff b/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-unwind.diff index b596e25ddfdf..570ec129f06e 100644 --- a/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-unwind.diff +++ b/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-unwind.diff @@ -18,7 +18,7 @@ bb0: { StorageLive(_1); StorageLive(_2); - nop; + _2 = const 1_u32; _1 = Un { us: const 1_u32 }; StorageDead(_2); StorageLive(_3); diff --git a/tests/mir-opt/dest-prop/nrvo_miscompile_111005.rs b/tests/mir-opt/nrvo_miscompile_111005.rs similarity index 78% rename from tests/mir-opt/dest-prop/nrvo_miscompile_111005.rs rename to tests/mir-opt/nrvo_miscompile_111005.rs index faf30cfd1b01..18814b0678fe 100644 --- a/tests/mir-opt/dest-prop/nrvo_miscompile_111005.rs +++ b/tests/mir-opt/nrvo_miscompile_111005.rs @@ -1,13 +1,13 @@ // skip-filecheck // This is a miscompilation, #111005 to track -//@ test-mir-pass: DestinationPropagation +//@ test-mir-pass: RenameReturnPlace #![feature(custom_mir, core_intrinsics)] extern crate core; use core::intrinsics::mir::*; -// EMIT_MIR nrvo_miscompile_111005.wrong.DestinationPropagation.diff +// EMIT_MIR nrvo_miscompile_111005.wrong.RenameReturnPlace.diff #[custom_mir(dialect = "runtime", phase = "initial")] pub fn wrong(arg: char) -> char { mir!({ diff --git a/tests/mir-opt/dest-prop/nrvo_miscompile_111005.wrong.DestinationPropagation.diff b/tests/mir-opt/nrvo_miscompile_111005.wrong.RenameReturnPlace.diff similarity index 60% rename from tests/mir-opt/dest-prop/nrvo_miscompile_111005.wrong.DestinationPropagation.diff rename to tests/mir-opt/nrvo_miscompile_111005.wrong.RenameReturnPlace.diff index afacf5c14966..260b472daa92 100644 --- a/tests/mir-opt/dest-prop/nrvo_miscompile_111005.wrong.DestinationPropagation.diff +++ b/tests/mir-opt/nrvo_miscompile_111005.wrong.RenameReturnPlace.diff @@ -1,5 +1,5 @@ -- // MIR for `wrong` before DestinationPropagation -+ // MIR for `wrong` after DestinationPropagation +- // MIR for `wrong` before RenameReturnPlace ++ // MIR for `wrong` after RenameReturnPlace fn wrong(_1: char) -> char { let mut _0: char; @@ -9,9 +9,8 @@ - _2 = _1; - _0 = _2; - _2 = const 'b'; -+ nop; + _0 = _1; -+ _1 = const 'b'; ++ _0 = const 'b'; return; } } diff --git a/tests/mir-opt/dest-prop/nrvo_borrowed.nrvo.DestinationPropagation.panic-abort.diff b/tests/mir-opt/nrvo_simple.nrvo.RenameReturnPlace.panic-abort.diff similarity index 53% rename from tests/mir-opt/dest-prop/nrvo_borrowed.nrvo.DestinationPropagation.panic-abort.diff rename to tests/mir-opt/nrvo_simple.nrvo.RenameReturnPlace.panic-abort.diff index 4d34f43fd5ce..f7bc5559ab7b 100644 --- a/tests/mir-opt/dest-prop/nrvo_borrowed.nrvo.DestinationPropagation.panic-abort.diff +++ b/tests/mir-opt/nrvo_simple.nrvo.RenameReturnPlace.panic-abort.diff @@ -1,5 +1,5 @@ -- // MIR for `nrvo` before DestinationPropagation -+ // MIR for `nrvo` after DestinationPropagation +- // MIR for `nrvo` before RenameReturnPlace ++ // MIR for `nrvo` after RenameReturnPlace fn nrvo(_1: for<'a> fn(&'a mut [u8; 1024])) -> [u8; 1024] { debug init => _1; @@ -10,33 +10,32 @@ let mut _5: &mut [u8; 1024]; let mut _6: &mut [u8; 1024]; scope 1 { - debug buf => _2; +- debug buf => _2; ++ debug buf => _0; } bb0: { - StorageLive(_2); - _2 = [const 0_u8; 1024]; +- StorageLive(_2); +- _2 = [const 0_u8; 1024]; ++ _0 = [const 0_u8; 1024]; StorageLive(_3); -- StorageLive(_4); -- _4 = _1; -+ nop; -+ nop; + StorageLive(_4); + _4 = _1; StorageLive(_5); StorageLive(_6); - _6 = &mut _2; +- _6 = &mut _2; ++ _6 = &mut _0; _5 = &mut (*_6); -- _3 = move _4(move _5) -> [return: bb1, unwind unreachable]; -+ _3 = move _1(move _5) -> [return: bb1, unwind unreachable]; + _3 = move _4(move _5) -> [return: bb1, unwind unreachable]; } bb1: { StorageDead(_5); -- StorageDead(_4); -+ nop; + StorageDead(_4); StorageDead(_6); StorageDead(_3); - _0 = _2; - StorageDead(_2); +- _0 = _2; +- StorageDead(_2); return; } } diff --git a/tests/mir-opt/dest-prop/nrvo_borrowed.nrvo.DestinationPropagation.panic-unwind.diff b/tests/mir-opt/nrvo_simple.nrvo.RenameReturnPlace.panic-unwind.diff similarity index 53% rename from tests/mir-opt/dest-prop/nrvo_borrowed.nrvo.DestinationPropagation.panic-unwind.diff rename to tests/mir-opt/nrvo_simple.nrvo.RenameReturnPlace.panic-unwind.diff index 9c3cbef38d69..3df8e567f1fe 100644 --- a/tests/mir-opt/dest-prop/nrvo_borrowed.nrvo.DestinationPropagation.panic-unwind.diff +++ b/tests/mir-opt/nrvo_simple.nrvo.RenameReturnPlace.panic-unwind.diff @@ -1,5 +1,5 @@ -- // MIR for `nrvo` before DestinationPropagation -+ // MIR for `nrvo` after DestinationPropagation +- // MIR for `nrvo` before RenameReturnPlace ++ // MIR for `nrvo` after RenameReturnPlace fn nrvo(_1: for<'a> fn(&'a mut [u8; 1024])) -> [u8; 1024] { debug init => _1; @@ -10,33 +10,32 @@ let mut _5: &mut [u8; 1024]; let mut _6: &mut [u8; 1024]; scope 1 { - debug buf => _2; +- debug buf => _2; ++ debug buf => _0; } bb0: { - StorageLive(_2); - _2 = [const 0_u8; 1024]; +- StorageLive(_2); +- _2 = [const 0_u8; 1024]; ++ _0 = [const 0_u8; 1024]; StorageLive(_3); -- StorageLive(_4); -- _4 = _1; -+ nop; -+ nop; + StorageLive(_4); + _4 = _1; StorageLive(_5); StorageLive(_6); - _6 = &mut _2; +- _6 = &mut _2; ++ _6 = &mut _0; _5 = &mut (*_6); -- _3 = move _4(move _5) -> [return: bb1, unwind continue]; -+ _3 = move _1(move _5) -> [return: bb1, unwind continue]; + _3 = move _4(move _5) -> [return: bb1, unwind continue]; } bb1: { StorageDead(_5); -- StorageDead(_4); -+ nop; + StorageDead(_4); StorageDead(_6); StorageDead(_3); - _0 = _2; - StorageDead(_2); +- _0 = _2; +- StorageDead(_2); return; } } diff --git a/tests/mir-opt/dest-prop/nrvo_borrowed.rs b/tests/mir-opt/nrvo_simple.rs similarity index 68% rename from tests/mir-opt/dest-prop/nrvo_borrowed.rs rename to tests/mir-opt/nrvo_simple.rs index 405423f24624..5d2894a704a5 100644 --- a/tests/mir-opt/dest-prop/nrvo_borrowed.rs +++ b/tests/mir-opt/nrvo_simple.rs @@ -1,8 +1,8 @@ // skip-filecheck // EMIT_MIR_FOR_EACH_PANIC_STRATEGY -//@ test-mir-pass: DestinationPropagation +//@ test-mir-pass: RenameReturnPlace -// EMIT_MIR nrvo_borrowed.nrvo.DestinationPropagation.diff +// EMIT_MIR nrvo_simple.nrvo.RenameReturnPlace.diff fn nrvo(init: fn(&mut [u8; 1024])) -> [u8; 1024] { let mut buf = [0; 1024]; init(&mut buf); diff --git a/tests/mir-opt/pre-codegen/derived_ord.{impl#0}-partial_cmp.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/derived_ord.{impl#0}-partial_cmp.PreCodegen.after.mir index b58e05f93688..47f10451b057 100644 --- a/tests/mir-opt/pre-codegen/derived_ord.{impl#0}-partial_cmp.PreCodegen.after.mir +++ b/tests/mir-opt/pre-codegen/derived_ord.{impl#0}-partial_cmp.PreCodegen.after.mir @@ -4,9 +4,10 @@ fn ::partial_cmp(_1: &MultiField, _2: &M debug self => _1; debug other => _2; let mut _0: std::option::Option; - let mut _6: i8; + let mut _6: std::option::Option; + let mut _7: i8; scope 1 { - debug cmp => _0; + debug cmp => _6; } scope 2 (inlined std::cmp::impls::::partial_cmp) { let mut _3: char; @@ -14,9 +15,9 @@ fn ::partial_cmp(_1: &MultiField, _2: &M let mut _5: std::cmp::Ordering; } scope 3 (inlined std::cmp::impls::::partial_cmp) { - let mut _7: i16; let mut _8: i16; - let mut _9: std::cmp::Ordering; + let mut _9: i16; + let mut _10: std::cmp::Ordering; } bb0: { @@ -27,26 +28,27 @@ fn ::partial_cmp(_1: &MultiField, _2: &M _5 = Cmp(move _3, move _4); StorageDead(_4); StorageDead(_3); - _0 = Option::::Some(_5); - _6 = discriminant(_5); - switchInt(move _6) -> [0: bb1, otherwise: bb2]; + _6 = Option::::Some(_5); + _7 = discriminant(_5); + switchInt(move _7) -> [0: bb1, otherwise: bb2]; } bb1: { - StorageLive(_9); - StorageLive(_7); - _7 = ((*_1).1: i16); + StorageLive(_10); StorageLive(_8); - _8 = ((*_2).1: i16); - _9 = Cmp(move _7, move _8); - StorageDead(_8); - StorageDead(_7); - _0 = Option::::Some(move _9); + _8 = ((*_1).1: i16); + StorageLive(_9); + _9 = ((*_2).1: i16); + _10 = Cmp(move _8, move _9); StorageDead(_9); + StorageDead(_8); + _0 = Option::::Some(move _10); + StorageDead(_10); goto -> bb3; } bb2: { + _0 = _6; goto -> bb3; } diff --git a/tests/mir-opt/pre-codegen/range_iter.forward_loop.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/range_iter.forward_loop.PreCodegen.after.panic-abort.mir index 163279c1c334..96b4962854de 100644 --- a/tests/mir-opt/pre-codegen/range_iter.forward_loop.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/range_iter.forward_loop.PreCodegen.after.panic-abort.mir @@ -5,25 +5,27 @@ fn forward_loop(_1: u32, _2: u32, _3: impl Fn(u32)) -> () { debug end => _2; debug f => _3; let mut _0: (); - let mut _7: std::option::Option; - let mut _9: &impl Fn(u32); - let mut _10: (u32,); - let _11: (); + let mut _4: u32; + let mut _9: std::option::Option; + let mut _11: &impl Fn(u32); + let mut _12: (u32,); + let _13: (); scope 1 { - debug ((iter: std::ops::Range).0: u32) => _1; + debug ((iter: std::ops::Range).0: u32) => _4; debug ((iter: std::ops::Range).1: u32) => _2; - let _8: u32; + let _10: u32; scope 2 { - debug x => _8; + debug x => _10; } scope 4 (inlined iter::range::>::next) { scope 5 (inlined as iter::range::RangeIteratorImpl>::spec_next) { - let mut _5: bool; - let _6: u32; + let mut _6: bool; + let _7: u32; + let mut _8: u32; scope 6 { } scope 7 (inlined std::cmp::impls::::lt) { - let mut _4: u32; + let mut _5: u32; } } } @@ -32,24 +34,27 @@ fn forward_loop(_1: u32, _2: u32, _3: impl Fn(u32)) -> () { } bb0: { + StorageLive(_4); + _4 = _1; goto -> bb1; } bb1: { + StorageLive(_9); StorageLive(_7); StorageLive(_6); StorageLive(_5); - StorageLive(_4); - _4 = _1; - _5 = Lt(move _4, _2); - StorageDead(_4); - switchInt(move _5) -> [0: bb2, otherwise: bb4]; + _5 = _4; + _6 = Lt(move _5, _2); + StorageDead(_5); + switchInt(move _6) -> [0: bb2, otherwise: bb4]; } bb2: { - StorageDead(_5); StorageDead(_6); StorageDead(_7); + StorageDead(_9); + StorageDead(_4); drop(_3) -> [return: bb3, unwind unreachable]; } @@ -58,26 +63,29 @@ fn forward_loop(_1: u32, _2: u32, _3: impl Fn(u32)) -> () { } bb4: { - _6 = _1; - _1 = ::forward_unchecked(_6, const 1_usize) -> [return: bb5, unwind unreachable]; + _7 = _4; + StorageLive(_8); + _8 = ::forward_unchecked(_7, const 1_usize) -> [return: bb5, unwind unreachable]; } bb5: { - _7 = Option::::Some(_6); - StorageDead(_5); + _4 = move _8; + StorageDead(_8); + _9 = Option::::Some(_7); StorageDead(_6); - _8 = ((_7 as Some).0: u32); - StorageLive(_9); - _9 = &_3; - StorageLive(_10); - _10 = (_8,); - _11 = >::call(move _9, move _10) -> [return: bb6, unwind unreachable]; + StorageDead(_7); + _10 = ((_9 as Some).0: u32); + StorageLive(_11); + _11 = &_3; + StorageLive(_12); + _12 = (_10,); + _13 = >::call(move _11, move _12) -> [return: bb6, unwind unreachable]; } bb6: { - StorageDead(_10); + StorageDead(_12); + StorageDead(_11); StorageDead(_9); - StorageDead(_7); goto -> bb1; } } diff --git a/tests/mir-opt/pre-codegen/range_iter.forward_loop.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/range_iter.forward_loop.PreCodegen.after.panic-unwind.mir index 05f72ade9249..ce8e2bd083ed 100644 --- a/tests/mir-opt/pre-codegen/range_iter.forward_loop.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/range_iter.forward_loop.PreCodegen.after.panic-unwind.mir @@ -5,25 +5,27 @@ fn forward_loop(_1: u32, _2: u32, _3: impl Fn(u32)) -> () { debug end => _2; debug f => _3; let mut _0: (); - let mut _7: std::option::Option; - let mut _9: &impl Fn(u32); - let mut _10: (u32,); - let _11: (); + let mut _4: u32; + let mut _9: std::option::Option; + let mut _11: &impl Fn(u32); + let mut _12: (u32,); + let _13: (); scope 1 { - debug ((iter: std::ops::Range).0: u32) => _1; + debug ((iter: std::ops::Range).0: u32) => _4; debug ((iter: std::ops::Range).1: u32) => _2; - let _8: u32; + let _10: u32; scope 2 { - debug x => _8; + debug x => _10; } scope 4 (inlined iter::range::>::next) { scope 5 (inlined as iter::range::RangeIteratorImpl>::spec_next) { - let mut _5: bool; - let _6: u32; + let mut _6: bool; + let _7: u32; + let mut _8: u32; scope 6 { } scope 7 (inlined std::cmp::impls::::lt) { - let mut _4: u32; + let mut _5: u32; } } } @@ -32,24 +34,27 @@ fn forward_loop(_1: u32, _2: u32, _3: impl Fn(u32)) -> () { } bb0: { + StorageLive(_4); + _4 = _1; goto -> bb1; } bb1: { + StorageLive(_9); StorageLive(_7); StorageLive(_6); StorageLive(_5); - StorageLive(_4); - _4 = _1; - _5 = Lt(move _4, _2); - StorageDead(_4); - switchInt(move _5) -> [0: bb2, otherwise: bb4]; + _5 = _4; + _6 = Lt(move _5, _2); + StorageDead(_5); + switchInt(move _6) -> [0: bb2, otherwise: bb4]; } bb2: { - StorageDead(_5); StorageDead(_6); StorageDead(_7); + StorageDead(_9); + StorageDead(_4); drop(_3) -> [return: bb3, unwind continue]; } @@ -58,26 +63,29 @@ fn forward_loop(_1: u32, _2: u32, _3: impl Fn(u32)) -> () { } bb4: { - _6 = _1; - _1 = ::forward_unchecked(_6, const 1_usize) -> [return: bb5, unwind: bb7]; + _7 = _4; + StorageLive(_8); + _8 = ::forward_unchecked(_7, const 1_usize) -> [return: bb5, unwind: bb7]; } bb5: { - _7 = Option::::Some(_6); - StorageDead(_5); + _4 = move _8; + StorageDead(_8); + _9 = Option::::Some(_7); StorageDead(_6); - _8 = ((_7 as Some).0: u32); - StorageLive(_9); - _9 = &_3; - StorageLive(_10); - _10 = (_8,); - _11 = >::call(move _9, move _10) -> [return: bb6, unwind: bb7]; + StorageDead(_7); + _10 = ((_9 as Some).0: u32); + StorageLive(_11); + _11 = &_3; + StorageLive(_12); + _12 = (_10,); + _13 = >::call(move _11, move _12) -> [return: bb6, unwind: bb7]; } bb6: { - StorageDead(_10); + StorageDead(_12); + StorageDead(_11); StorageDead(_9); - StorageDead(_7); goto -> bb1; } diff --git a/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-abort.mir index e761dc1e8b83..d979c5ec1d5a 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-abort.mir @@ -4,22 +4,22 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { debug slice => _1; debug f => _2; let mut _0: (); - let mut _11: std::slice::Iter<'_, T>; - let mut _12: std::iter::Enumerate>; + let mut _12: std::slice::Iter<'_, T>; let mut _13: std::iter::Enumerate>; - let mut _14: &mut std::iter::Enumerate>; - let mut _15: std::option::Option<(usize, &T)>; - let mut _16: isize; - let mut _19: &impl Fn(usize, &T); - let mut _20: (usize, &T); - let _21: (); + let mut _14: std::iter::Enumerate>; + let mut _15: &mut std::iter::Enumerate>; + let mut _16: std::option::Option<(usize, &T)>; + let mut _17: isize; + let mut _20: &impl Fn(usize, &T); + let mut _21: (usize, &T); + let _22: (); scope 1 { - debug iter => _13; - let _17: usize; - let _18: &T; + debug iter => _14; + let _18: usize; + let _19: &T; scope 2 { - debug i => _17; - debug x => _18; + debug i => _18; + debug x => _19; } } scope 3 (inlined core::slice::::iter) { @@ -28,10 +28,11 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { let mut _7: bool; let mut _8: *mut T; let mut _9: *mut T; - let mut _10: *const T; + let mut _11: *const T; scope 5 { let _6: std::ptr::NonNull; scope 6 { + let _10: *const T; scope 7 { } scope 11 (inlined without_provenance::) { @@ -60,16 +61,16 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { } bb0: { - StorageLive(_11); + StorageLive(_12); StorageLive(_3); StorageLive(_6); - StorageLive(_10); StorageLive(_4); StorageLive(_5); _3 = Len((*_1)); _4 = &raw const (*_1); _5 = _4 as *const T (PtrToPtr); _6 = NonNull:: { pointer: _5 }; + StorageLive(_10); StorageLive(_7); _7 = const ::IS_ZST; switchInt(move _7) -> [0: bb1, otherwise: bb2]; @@ -93,35 +94,38 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { bb3: { StorageDead(_7); - _11 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _10, _marker: const ZeroSized: PhantomData<&T> }; + StorageLive(_11); + _11 = _10; + _12 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _11, _marker: const ZeroSized: PhantomData<&T> }; + StorageDead(_11); + StorageDead(_10); StorageDead(_5); StorageDead(_4); - StorageDead(_10); StorageDead(_6); StorageDead(_3); - _12 = Enumerate::> { iter: _11, count: const 0_usize }; - StorageDead(_11); - StorageLive(_13); - _13 = _12; + _13 = Enumerate::> { iter: _12, count: const 0_usize }; + StorageDead(_12); + StorageLive(_14); + _14 = _13; goto -> bb4; } bb4: { + StorageLive(_16); StorageLive(_15); - StorageLive(_14); - _14 = &mut _13; - _15 = > as Iterator>::next(move _14) -> [return: bb5, unwind unreachable]; + _15 = &mut _14; + _16 = > as Iterator>::next(move _15) -> [return: bb5, unwind unreachable]; } bb5: { - StorageDead(_14); - _16 = discriminant(_15); - switchInt(move _16) -> [0: bb6, 1: bb8, otherwise: bb10]; + StorageDead(_15); + _17 = discriminant(_16); + switchInt(move _17) -> [0: bb6, 1: bb8, otherwise: bb10]; } bb6: { - StorageDead(_15); - StorageDead(_13); + StorageDead(_16); + StorageDead(_14); drop(_2) -> [return: bb7, unwind unreachable]; } @@ -130,19 +134,19 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { } bb8: { - _17 = (((_15 as Some).0: (usize, &T)).0: usize); - _18 = (((_15 as Some).0: (usize, &T)).1: &T); - StorageLive(_19); - _19 = &_2; + _18 = (((_16 as Some).0: (usize, &T)).0: usize); + _19 = (((_16 as Some).0: (usize, &T)).1: &T); StorageLive(_20); - _20 = (_17, _18); - _21 = >::call(move _19, move _20) -> [return: bb9, unwind unreachable]; + _20 = &_2; + StorageLive(_21); + _21 = (_18, _19); + _22 = >::call(move _20, move _21) -> [return: bb9, unwind unreachable]; } bb9: { + StorageDead(_21); StorageDead(_20); - StorageDead(_19); - StorageDead(_15); + StorageDead(_16); goto -> bb4; } diff --git a/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir index da293cdb5a17..8491c49f7673 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir @@ -4,22 +4,22 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { debug slice => _1; debug f => _2; let mut _0: (); - let mut _11: std::slice::Iter<'_, T>; - let mut _12: std::iter::Enumerate>; + let mut _12: std::slice::Iter<'_, T>; let mut _13: std::iter::Enumerate>; - let mut _14: &mut std::iter::Enumerate>; - let mut _15: std::option::Option<(usize, &T)>; - let mut _16: isize; - let mut _19: &impl Fn(usize, &T); - let mut _20: (usize, &T); - let _21: (); + let mut _14: std::iter::Enumerate>; + let mut _15: &mut std::iter::Enumerate>; + let mut _16: std::option::Option<(usize, &T)>; + let mut _17: isize; + let mut _20: &impl Fn(usize, &T); + let mut _21: (usize, &T); + let _22: (); scope 1 { - debug iter => _13; - let _17: usize; - let _18: &T; + debug iter => _14; + let _18: usize; + let _19: &T; scope 2 { - debug i => _17; - debug x => _18; + debug i => _18; + debug x => _19; } } scope 3 (inlined core::slice::::iter) { @@ -28,10 +28,11 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { let mut _7: bool; let mut _8: *mut T; let mut _9: *mut T; - let mut _10: *const T; + let mut _11: *const T; scope 5 { let _6: std::ptr::NonNull; scope 6 { + let _10: *const T; scope 7 { } scope 11 (inlined without_provenance::) { @@ -60,16 +61,16 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { } bb0: { - StorageLive(_11); + StorageLive(_12); StorageLive(_3); StorageLive(_6); - StorageLive(_10); StorageLive(_4); StorageLive(_5); _3 = Len((*_1)); _4 = &raw const (*_1); _5 = _4 as *const T (PtrToPtr); _6 = NonNull:: { pointer: _5 }; + StorageLive(_10); StorageLive(_7); _7 = const ::IS_ZST; switchInt(move _7) -> [0: bb1, otherwise: bb2]; @@ -93,35 +94,38 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { bb3: { StorageDead(_7); - _11 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _10, _marker: const ZeroSized: PhantomData<&T> }; + StorageLive(_11); + _11 = _10; + _12 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _11, _marker: const ZeroSized: PhantomData<&T> }; + StorageDead(_11); + StorageDead(_10); StorageDead(_5); StorageDead(_4); - StorageDead(_10); StorageDead(_6); StorageDead(_3); - _12 = Enumerate::> { iter: _11, count: const 0_usize }; - StorageDead(_11); - StorageLive(_13); - _13 = _12; + _13 = Enumerate::> { iter: _12, count: const 0_usize }; + StorageDead(_12); + StorageLive(_14); + _14 = _13; goto -> bb4; } bb4: { + StorageLive(_16); StorageLive(_15); - StorageLive(_14); - _14 = &mut _13; - _15 = > as Iterator>::next(move _14) -> [return: bb5, unwind: bb11]; + _15 = &mut _14; + _16 = > as Iterator>::next(move _15) -> [return: bb5, unwind: bb11]; } bb5: { - StorageDead(_14); - _16 = discriminant(_15); - switchInt(move _16) -> [0: bb6, 1: bb8, otherwise: bb10]; + StorageDead(_15); + _17 = discriminant(_16); + switchInt(move _17) -> [0: bb6, 1: bb8, otherwise: bb10]; } bb6: { - StorageDead(_15); - StorageDead(_13); + StorageDead(_16); + StorageDead(_14); drop(_2) -> [return: bb7, unwind continue]; } @@ -130,19 +134,19 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { } bb8: { - _17 = (((_15 as Some).0: (usize, &T)).0: usize); - _18 = (((_15 as Some).0: (usize, &T)).1: &T); - StorageLive(_19); - _19 = &_2; + _18 = (((_16 as Some).0: (usize, &T)).0: usize); + _19 = (((_16 as Some).0: (usize, &T)).1: &T); StorageLive(_20); - _20 = (_17, _18); - _21 = >::call(move _19, move _20) -> [return: bb9, unwind: bb11]; + _20 = &_2; + StorageLive(_21); + _21 = (_18, _19); + _22 = >::call(move _20, move _21) -> [return: bb9, unwind: bb11]; } bb9: { + StorageDead(_21); StorageDead(_20); - StorageDead(_19); - StorageDead(_15); + StorageDead(_16); goto -> bb4; } diff --git a/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-abort.mir index d824857ac5d9..67dd0c85ea1d 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-abort.mir @@ -4,19 +4,19 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () { debug slice => _1; debug f => _2; let mut _0: (); - let mut _11: std::slice::Iter<'_, T>; let mut _12: std::slice::Iter<'_, T>; - let mut _13: &mut std::slice::Iter<'_, T>; - let mut _14: std::option::Option<&T>; - let mut _15: isize; - let mut _17: &impl Fn(&T); - let mut _18: (&T,); - let _19: (); + let mut _13: std::slice::Iter<'_, T>; + let mut _14: &mut std::slice::Iter<'_, T>; + let mut _15: std::option::Option<&T>; + let mut _16: isize; + let mut _18: &impl Fn(&T); + let mut _19: (&T,); + let _20: (); scope 1 { - debug iter => _12; - let _16: &T; + debug iter => _13; + let _17: &T; scope 2 { - debug x => _16; + debug x => _17; } } scope 3 (inlined core::slice::::iter) { @@ -25,10 +25,11 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () { let mut _7: bool; let mut _8: *mut T; let mut _9: *mut T; - let mut _10: *const T; + let mut _11: *const T; scope 5 { let _6: std::ptr::NonNull; scope 6 { + let _10: *const T; scope 7 { } scope 11 (inlined without_provenance::) { @@ -55,13 +56,13 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () { bb0: { StorageLive(_3); StorageLive(_6); - StorageLive(_10); StorageLive(_4); StorageLive(_5); _3 = Len((*_1)); _4 = &raw const (*_1); _5 = _4 as *const T (PtrToPtr); _6 = NonNull:: { pointer: _5 }; + StorageLive(_10); StorageLive(_7); _7 = const ::IS_ZST; switchInt(move _7) -> [0: bb1, otherwise: bb2]; @@ -85,33 +86,36 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () { bb3: { StorageDead(_7); - _11 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _10, _marker: const ZeroSized: PhantomData<&T> }; + StorageLive(_11); + _11 = _10; + _12 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _11, _marker: const ZeroSized: PhantomData<&T> }; + StorageDead(_11); + StorageDead(_10); StorageDead(_5); StorageDead(_4); - StorageDead(_10); StorageDead(_6); StorageDead(_3); - StorageLive(_12); - _12 = _11; + StorageLive(_13); + _13 = _12; goto -> bb4; } bb4: { + StorageLive(_15); StorageLive(_14); - StorageLive(_13); - _13 = &mut _12; - _14 = as Iterator>::next(move _13) -> [return: bb5, unwind unreachable]; + _14 = &mut _13; + _15 = as Iterator>::next(move _14) -> [return: bb5, unwind unreachable]; } bb5: { - StorageDead(_13); - _15 = discriminant(_14); - switchInt(move _15) -> [0: bb6, 1: bb8, otherwise: bb10]; + StorageDead(_14); + _16 = discriminant(_15); + switchInt(move _16) -> [0: bb6, 1: bb8, otherwise: bb10]; } bb6: { - StorageDead(_14); - StorageDead(_12); + StorageDead(_15); + StorageDead(_13); drop(_2) -> [return: bb7, unwind unreachable]; } @@ -120,18 +124,18 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () { } bb8: { - _16 = ((_14 as Some).0: &T); - StorageLive(_17); - _17 = &_2; + _17 = ((_15 as Some).0: &T); StorageLive(_18); - _18 = (_16,); - _19 = >::call(move _17, move _18) -> [return: bb9, unwind unreachable]; + _18 = &_2; + StorageLive(_19); + _19 = (_17,); + _20 = >::call(move _18, move _19) -> [return: bb9, unwind unreachable]; } bb9: { + StorageDead(_19); StorageDead(_18); - StorageDead(_17); - StorageDead(_14); + StorageDead(_15); goto -> bb4; } diff --git a/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-unwind.mir index 75437119aa60..7c41e9e1f1b7 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-unwind.mir @@ -4,19 +4,19 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () { debug slice => _1; debug f => _2; let mut _0: (); - let mut _11: std::slice::Iter<'_, T>; let mut _12: std::slice::Iter<'_, T>; - let mut _13: &mut std::slice::Iter<'_, T>; - let mut _14: std::option::Option<&T>; - let mut _15: isize; - let mut _17: &impl Fn(&T); - let mut _18: (&T,); - let _19: (); + let mut _13: std::slice::Iter<'_, T>; + let mut _14: &mut std::slice::Iter<'_, T>; + let mut _15: std::option::Option<&T>; + let mut _16: isize; + let mut _18: &impl Fn(&T); + let mut _19: (&T,); + let _20: (); scope 1 { - debug iter => _12; - let _16: &T; + debug iter => _13; + let _17: &T; scope 2 { - debug x => _16; + debug x => _17; } } scope 3 (inlined core::slice::::iter) { @@ -25,10 +25,11 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () { let mut _7: bool; let mut _8: *mut T; let mut _9: *mut T; - let mut _10: *const T; + let mut _11: *const T; scope 5 { let _6: std::ptr::NonNull; scope 6 { + let _10: *const T; scope 7 { } scope 11 (inlined without_provenance::) { @@ -55,13 +56,13 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () { bb0: { StorageLive(_3); StorageLive(_6); - StorageLive(_10); StorageLive(_4); StorageLive(_5); _3 = Len((*_1)); _4 = &raw const (*_1); _5 = _4 as *const T (PtrToPtr); _6 = NonNull:: { pointer: _5 }; + StorageLive(_10); StorageLive(_7); _7 = const ::IS_ZST; switchInt(move _7) -> [0: bb1, otherwise: bb2]; @@ -85,33 +86,36 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () { bb3: { StorageDead(_7); - _11 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _10, _marker: const ZeroSized: PhantomData<&T> }; + StorageLive(_11); + _11 = _10; + _12 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _11, _marker: const ZeroSized: PhantomData<&T> }; + StorageDead(_11); + StorageDead(_10); StorageDead(_5); StorageDead(_4); - StorageDead(_10); StorageDead(_6); StorageDead(_3); - StorageLive(_12); - _12 = _11; + StorageLive(_13); + _13 = _12; goto -> bb4; } bb4: { + StorageLive(_15); StorageLive(_14); - StorageLive(_13); - _13 = &mut _12; - _14 = as Iterator>::next(move _13) -> [return: bb5, unwind: bb11]; + _14 = &mut _13; + _15 = as Iterator>::next(move _14) -> [return: bb5, unwind: bb11]; } bb5: { - StorageDead(_13); - _15 = discriminant(_14); - switchInt(move _15) -> [0: bb6, 1: bb8, otherwise: bb10]; + StorageDead(_14); + _16 = discriminant(_15); + switchInt(move _16) -> [0: bb6, 1: bb8, otherwise: bb10]; } bb6: { - StorageDead(_14); - StorageDead(_12); + StorageDead(_15); + StorageDead(_13); drop(_2) -> [return: bb7, unwind continue]; } @@ -120,18 +124,18 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () { } bb8: { - _16 = ((_14 as Some).0: &T); - StorageLive(_17); - _17 = &_2; + _17 = ((_15 as Some).0: &T); StorageLive(_18); - _18 = (_16,); - _19 = >::call(move _17, move _18) -> [return: bb9, unwind: bb11]; + _18 = &_2; + StorageLive(_19); + _19 = (_17,); + _20 = >::call(move _18, move _19) -> [return: bb9, unwind: bb11]; } bb9: { + StorageDead(_19); StorageDead(_18); - StorageDead(_17); - StorageDead(_14); + StorageDead(_15); goto -> bb4; } diff --git a/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-abort.mir index dc370911d8a9..dbe6f39548c8 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-abort.mir @@ -6,27 +6,28 @@ fn range_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { let mut _0: (); let mut _3: usize; let mut _4: usize; - let mut _8: std::option::Option; - let mut _10: usize; - let mut _11: bool; - let mut _13: &impl Fn(usize, &T); - let mut _14: (usize, &T); - let _15: (); + let mut _9: std::option::Option; + let mut _11: usize; + let mut _12: bool; + let mut _14: &impl Fn(usize, &T); + let mut _15: (usize, &T); + let _16: (); scope 1 { debug ((iter: std::ops::Range).0: usize) => _4; debug ((iter: std::ops::Range).1: usize) => _3; - let _9: usize; + let _10: usize; scope 2 { - debug i => _9; - let _12: &T; + debug i => _10; + let _13: &T; scope 3 { - debug x => _12; + debug x => _13; } } scope 5 (inlined iter::range::>::next) { scope 6 (inlined as iter::range::RangeIteratorImpl>::spec_next) { let mut _6: bool; let _7: usize; + let mut _8: usize; scope 7 { } scope 8 (inlined std::cmp::impls::::lt) { @@ -40,12 +41,13 @@ fn range_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { bb0: { _3 = Len((*_1)); + StorageLive(_4); _4 = const 0_usize; goto -> bb1; } bb1: { - StorageLive(_8); + StorageLive(_9); StorageLive(_7); StorageLive(_6); StorageLive(_5); @@ -58,7 +60,8 @@ fn range_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { bb2: { StorageDead(_6); StorageDead(_7); - StorageDead(_8); + StorageDead(_9); + StorageDead(_4); drop(_2) -> [return: bb3, unwind unreachable]; } @@ -68,32 +71,35 @@ fn range_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { bb4: { _7 = _4; - _4 = ::forward_unchecked(_7, const 1_usize) -> [return: bb5, unwind unreachable]; + StorageLive(_8); + _8 = ::forward_unchecked(_7, const 1_usize) -> [return: bb5, unwind unreachable]; } bb5: { - _8 = Option::::Some(_7); + _4 = move _8; + StorageDead(_8); + _9 = Option::::Some(_7); StorageDead(_6); StorageDead(_7); - _9 = ((_8 as Some).0: usize); - _10 = Len((*_1)); - _11 = Lt(_9, _10); - assert(move _11, "index out of bounds: the length is {} but the index is {}", move _10, _9) -> [success: bb6, unwind unreachable]; + _10 = ((_9 as Some).0: usize); + _11 = Len((*_1)); + _12 = Lt(_10, _11); + assert(move _12, "index out of bounds: the length is {} but the index is {}", move _11, _10) -> [success: bb6, unwind unreachable]; } bb6: { - _12 = &(*_1)[_9]; - StorageLive(_13); - _13 = &_2; + _13 = &(*_1)[_10]; StorageLive(_14); - _14 = (_9, _12); - _15 = >::call(move _13, move _14) -> [return: bb7, unwind unreachable]; + _14 = &_2; + StorageLive(_15); + _15 = (_10, _13); + _16 = >::call(move _14, move _15) -> [return: bb7, unwind unreachable]; } bb7: { + StorageDead(_15); StorageDead(_14); - StorageDead(_13); - StorageDead(_8); + StorageDead(_9); goto -> bb1; } } diff --git a/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-unwind.mir index 751e14441d43..5b6441cfb3b2 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.range_loop.PreCodegen.after.panic-unwind.mir @@ -6,27 +6,28 @@ fn range_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { let mut _0: (); let mut _3: usize; let mut _4: usize; - let mut _8: std::option::Option; - let mut _10: usize; - let mut _11: bool; - let mut _13: &impl Fn(usize, &T); - let mut _14: (usize, &T); - let _15: (); + let mut _9: std::option::Option; + let mut _11: usize; + let mut _12: bool; + let mut _14: &impl Fn(usize, &T); + let mut _15: (usize, &T); + let _16: (); scope 1 { debug ((iter: std::ops::Range).0: usize) => _4; debug ((iter: std::ops::Range).1: usize) => _3; - let _9: usize; + let _10: usize; scope 2 { - debug i => _9; - let _12: &T; + debug i => _10; + let _13: &T; scope 3 { - debug x => _12; + debug x => _13; } } scope 5 (inlined iter::range::>::next) { scope 6 (inlined as iter::range::RangeIteratorImpl>::spec_next) { let mut _6: bool; let _7: usize; + let mut _8: usize; scope 7 { } scope 8 (inlined std::cmp::impls::::lt) { @@ -40,12 +41,13 @@ fn range_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { bb0: { _3 = Len((*_1)); + StorageLive(_4); _4 = const 0_usize; goto -> bb1; } bb1: { - StorageLive(_8); + StorageLive(_9); StorageLive(_7); StorageLive(_6); StorageLive(_5); @@ -58,7 +60,8 @@ fn range_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { bb2: { StorageDead(_6); StorageDead(_7); - StorageDead(_8); + StorageDead(_9); + StorageDead(_4); drop(_2) -> [return: bb3, unwind continue]; } @@ -68,32 +71,35 @@ fn range_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { bb4: { _7 = _4; - _4 = ::forward_unchecked(_7, const 1_usize) -> [return: bb5, unwind: bb8]; + StorageLive(_8); + _8 = ::forward_unchecked(_7, const 1_usize) -> [return: bb5, unwind: bb8]; } bb5: { - _8 = Option::::Some(_7); + _4 = move _8; + StorageDead(_8); + _9 = Option::::Some(_7); StorageDead(_6); StorageDead(_7); - _9 = ((_8 as Some).0: usize); - _10 = Len((*_1)); - _11 = Lt(_9, _10); - assert(move _11, "index out of bounds: the length is {} but the index is {}", move _10, _9) -> [success: bb6, unwind: bb8]; + _10 = ((_9 as Some).0: usize); + _11 = Len((*_1)); + _12 = Lt(_10, _11); + assert(move _12, "index out of bounds: the length is {} but the index is {}", move _11, _10) -> [success: bb6, unwind: bb8]; } bb6: { - _12 = &(*_1)[_9]; - StorageLive(_13); - _13 = &_2; + _13 = &(*_1)[_10]; StorageLive(_14); - _14 = (_9, _12); - _15 = >::call(move _13, move _14) -> [return: bb7, unwind: bb8]; + _14 = &_2; + StorageLive(_15); + _15 = (_10, _13); + _16 = >::call(move _14, move _15) -> [return: bb7, unwind: bb8]; } bb7: { + StorageDead(_15); StorageDead(_14); - StorageDead(_13); - StorageDead(_8); + StorageDead(_9); goto -> bb1; } diff --git a/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-abort.mir index 9200d311d6d7..ffeef1e04a15 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-abort.mir @@ -4,22 +4,22 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () { debug slice => _1; debug f => _2; let mut _0: (); - let mut _11: std::slice::Iter<'_, T>; - let mut _12: std::iter::Rev>; + let mut _12: std::slice::Iter<'_, T>; let mut _13: std::iter::Rev>; - let mut _15: std::option::Option<&T>; - let mut _16: isize; - let mut _18: &impl Fn(&T); - let mut _19: (&T,); - let _20: (); + let mut _14: std::iter::Rev>; + let mut _16: std::option::Option<&T>; + let mut _17: isize; + let mut _19: &impl Fn(&T); + let mut _20: (&T,); + let _21: (); scope 1 { - debug iter => _13; - let _17: &T; + debug iter => _14; + let _18: &T; scope 2 { - debug x => _17; + debug x => _18; } scope 17 (inlined > as Iterator>::next) { - let mut _14: &mut std::slice::Iter<'_, T>; + let mut _15: &mut std::slice::Iter<'_, T>; } } scope 3 (inlined core::slice::::iter) { @@ -28,10 +28,11 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () { let mut _7: bool; let mut _8: *mut T; let mut _9: *mut T; - let mut _10: *const T; + let mut _11: *const T; scope 5 { let _6: std::ptr::NonNull; scope 6 { + let _10: *const T; scope 7 { } scope 11 (inlined without_provenance::) { @@ -60,16 +61,16 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () { } bb0: { - StorageLive(_11); + StorageLive(_12); StorageLive(_3); StorageLive(_6); - StorageLive(_10); StorageLive(_4); StorageLive(_5); _3 = Len((*_1)); _4 = &raw const (*_1); _5 = _4 as *const T (PtrToPtr); _6 = NonNull:: { pointer: _5 }; + StorageLive(_10); StorageLive(_7); _7 = const ::IS_ZST; switchInt(move _7) -> [0: bb1, otherwise: bb2]; @@ -93,35 +94,38 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () { bb3: { StorageDead(_7); - _11 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _10, _marker: const ZeroSized: PhantomData<&T> }; + StorageLive(_11); + _11 = _10; + _12 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _11, _marker: const ZeroSized: PhantomData<&T> }; + StorageDead(_11); + StorageDead(_10); StorageDead(_5); StorageDead(_4); - StorageDead(_10); StorageDead(_6); StorageDead(_3); - _12 = Rev::> { iter: _11 }; - StorageDead(_11); - StorageLive(_13); - _13 = _12; + _13 = Rev::> { iter: _12 }; + StorageDead(_12); + StorageLive(_14); + _14 = _13; goto -> bb4; } bb4: { + StorageLive(_16); StorageLive(_15); - StorageLive(_14); - _14 = &mut (_13.0: std::slice::Iter<'_, T>); - _15 = as DoubleEndedIterator>::next_back(move _14) -> [return: bb5, unwind unreachable]; + _15 = &mut (_14.0: std::slice::Iter<'_, T>); + _16 = as DoubleEndedIterator>::next_back(move _15) -> [return: bb5, unwind unreachable]; } bb5: { - StorageDead(_14); - _16 = discriminant(_15); - switchInt(move _16) -> [0: bb6, 1: bb8, otherwise: bb10]; + StorageDead(_15); + _17 = discriminant(_16); + switchInt(move _17) -> [0: bb6, 1: bb8, otherwise: bb10]; } bb6: { - StorageDead(_15); - StorageDead(_13); + StorageDead(_16); + StorageDead(_14); drop(_2) -> [return: bb7, unwind unreachable]; } @@ -130,18 +134,18 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () { } bb8: { - _17 = ((_15 as Some).0: &T); - StorageLive(_18); - _18 = &_2; + _18 = ((_16 as Some).0: &T); StorageLive(_19); - _19 = (_17,); - _20 = >::call(move _18, move _19) -> [return: bb9, unwind unreachable]; + _19 = &_2; + StorageLive(_20); + _20 = (_18,); + _21 = >::call(move _19, move _20) -> [return: bb9, unwind unreachable]; } bb9: { + StorageDead(_20); StorageDead(_19); - StorageDead(_18); - StorageDead(_15); + StorageDead(_16); goto -> bb4; } diff --git a/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-unwind.mir index 5a2d9d2a6814..c7cd37afd866 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-unwind.mir @@ -4,22 +4,22 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () { debug slice => _1; debug f => _2; let mut _0: (); - let mut _11: std::slice::Iter<'_, T>; - let mut _12: std::iter::Rev>; + let mut _12: std::slice::Iter<'_, T>; let mut _13: std::iter::Rev>; - let mut _15: std::option::Option<&T>; - let mut _16: isize; - let mut _18: &impl Fn(&T); - let mut _19: (&T,); - let _20: (); + let mut _14: std::iter::Rev>; + let mut _16: std::option::Option<&T>; + let mut _17: isize; + let mut _19: &impl Fn(&T); + let mut _20: (&T,); + let _21: (); scope 1 { - debug iter => _13; - let _17: &T; + debug iter => _14; + let _18: &T; scope 2 { - debug x => _17; + debug x => _18; } scope 17 (inlined > as Iterator>::next) { - let mut _14: &mut std::slice::Iter<'_, T>; + let mut _15: &mut std::slice::Iter<'_, T>; } } scope 3 (inlined core::slice::::iter) { @@ -28,10 +28,11 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () { let mut _7: bool; let mut _8: *mut T; let mut _9: *mut T; - let mut _10: *const T; + let mut _11: *const T; scope 5 { let _6: std::ptr::NonNull; scope 6 { + let _10: *const T; scope 7 { } scope 11 (inlined without_provenance::) { @@ -60,16 +61,16 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () { } bb0: { - StorageLive(_11); + StorageLive(_12); StorageLive(_3); StorageLive(_6); - StorageLive(_10); StorageLive(_4); StorageLive(_5); _3 = Len((*_1)); _4 = &raw const (*_1); _5 = _4 as *const T (PtrToPtr); _6 = NonNull:: { pointer: _5 }; + StorageLive(_10); StorageLive(_7); _7 = const ::IS_ZST; switchInt(move _7) -> [0: bb1, otherwise: bb2]; @@ -93,35 +94,38 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () { bb3: { StorageDead(_7); - _11 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _10, _marker: const ZeroSized: PhantomData<&T> }; + StorageLive(_11); + _11 = _10; + _12 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _11, _marker: const ZeroSized: PhantomData<&T> }; + StorageDead(_11); + StorageDead(_10); StorageDead(_5); StorageDead(_4); - StorageDead(_10); StorageDead(_6); StorageDead(_3); - _12 = Rev::> { iter: _11 }; - StorageDead(_11); - StorageLive(_13); - _13 = _12; + _13 = Rev::> { iter: _12 }; + StorageDead(_12); + StorageLive(_14); + _14 = _13; goto -> bb4; } bb4: { + StorageLive(_16); StorageLive(_15); - StorageLive(_14); - _14 = &mut (_13.0: std::slice::Iter<'_, T>); - _15 = as DoubleEndedIterator>::next_back(move _14) -> [return: bb5, unwind: bb11]; + _15 = &mut (_14.0: std::slice::Iter<'_, T>); + _16 = as DoubleEndedIterator>::next_back(move _15) -> [return: bb5, unwind: bb11]; } bb5: { - StorageDead(_14); - _16 = discriminant(_15); - switchInt(move _16) -> [0: bb6, 1: bb8, otherwise: bb10]; + StorageDead(_15); + _17 = discriminant(_16); + switchInt(move _17) -> [0: bb6, 1: bb8, otherwise: bb10]; } bb6: { - StorageDead(_15); - StorageDead(_13); + StorageDead(_16); + StorageDead(_14); drop(_2) -> [return: bb7, unwind continue]; } @@ -130,18 +134,18 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () { } bb8: { - _17 = ((_15 as Some).0: &T); - StorageLive(_18); - _18 = &_2; + _18 = ((_16 as Some).0: &T); StorageLive(_19); - _19 = (_17,); - _20 = >::call(move _18, move _19) -> [return: bb9, unwind: bb11]; + _19 = &_2; + StorageLive(_20); + _20 = (_18,); + _21 = >::call(move _19, move _20) -> [return: bb9, unwind: bb11]; } bb9: { + StorageDead(_20); StorageDead(_19); - StorageDead(_18); - StorageDead(_15); + StorageDead(_16); goto -> bb4; } From ed5205fe66ccd49116e99e4244483caaa8cf933e Mon Sep 17 00:00:00 2001 From: r0cky Date: Fri, 31 May 2024 08:29:42 +0800 Subject: [PATCH 0804/1716] Avoid unwrap diag.code directly --- .../infer/error_reporting/note_and_explain.rs | 4 +-- ...t-proj-ty-as-type-of-const-issue-125757.rs | 19 ++++++++++ ...oj-ty-as-type-of-const-issue-125757.stderr | 36 +++++++++++++++++++ 3 files changed, 57 insertions(+), 2 deletions(-) create mode 100644 tests/ui/specialization/default-proj-ty-as-type-of-const-issue-125757.rs create mode 100644 tests/ui/specialization/default-proj-ty-as-type-of-const-issue-125757.stderr diff --git a/compiler/rustc_infer/src/infer/error_reporting/note_and_explain.rs b/compiler/rustc_infer/src/infer/error_reporting/note_and_explain.rs index f4514c235084..19ef2d61fca3 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/note_and_explain.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/note_and_explain.rs @@ -182,7 +182,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { diag.span_label(p_span, format!("{expected}this type parameter")); } diag.help("type parameters must be constrained to match other types"); - if tcx.sess.teach(diag.code.unwrap()) { + if diag.code.is_some_and(|code| tcx.sess.teach(code)) { diag.help( "given a type parameter `T` and a method `foo`: ``` @@ -663,7 +663,7 @@ impl Trait for X { https://doc.rust-lang.org/book/ch19-03-advanced-traits.html", ); } - if tcx.sess.teach(diag.code.unwrap()) { + if diag.code.is_some_and(|code| tcx.sess.teach(code)) { diag.help( "given an associated type `T` and a method `foo`: ``` diff --git a/tests/ui/specialization/default-proj-ty-as-type-of-const-issue-125757.rs b/tests/ui/specialization/default-proj-ty-as-type-of-const-issue-125757.rs new file mode 100644 index 000000000000..59a015da84eb --- /dev/null +++ b/tests/ui/specialization/default-proj-ty-as-type-of-const-issue-125757.rs @@ -0,0 +1,19 @@ +#![feature(specialization)] +#![allow(incomplete_features)] + +trait Trait { + type Type; +} + +impl Trait for i32 { + default type Type = i32; +} + +struct Wrapper::Type> {} +//~^ ERROR `::Type` is forbidden as the type of a const generic parameter + +impl Wrapper {} +//~^ ERROR the constant `C` is not of type `::Type` +//~^^ ERROR mismatched types + +fn main() {} diff --git a/tests/ui/specialization/default-proj-ty-as-type-of-const-issue-125757.stderr b/tests/ui/specialization/default-proj-ty-as-type-of-const-issue-125757.stderr new file mode 100644 index 000000000000..b4c14c2294e5 --- /dev/null +++ b/tests/ui/specialization/default-proj-ty-as-type-of-const-issue-125757.stderr @@ -0,0 +1,36 @@ +error: `::Type` is forbidden as the type of a const generic parameter + --> $DIR/default-proj-ty-as-type-of-const-issue-125757.rs:12:25 + | +LL | struct Wrapper::Type> {} + | ^^^^^^^^^^^^^^^^^^^^ + | + = note: the only supported types are integers, `bool` and `char` + +error: the constant `C` is not of type `::Type` + --> $DIR/default-proj-ty-as-type-of-const-issue-125757.rs:15:22 + | +LL | impl Wrapper {} + | ^^^^^^^^^^ expected associated type, found `usize` + | + = help: consider constraining the associated type `::Type` to `usize` + = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html +note: required by a bound in `Wrapper` + --> $DIR/default-proj-ty-as-type-of-const-issue-125757.rs:12:16 + | +LL | struct Wrapper::Type> {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Wrapper` + +error[E0308]: mismatched types + --> $DIR/default-proj-ty-as-type-of-const-issue-125757.rs:15:30 + | +LL | impl Wrapper {} + | ^ expected associated type, found `usize` + | + = note: expected associated type `::Type` + found type `usize` + = help: consider constraining the associated type `::Type` to `usize` + = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html + +error: aborting due to 3 previous errors + +For more information about this error, try `rustc --explain E0308`. From 94d4040925571c7a69cebe6c6e9aeab172da65d1 Mon Sep 17 00:00:00 2001 From: Lokathor Date: Thu, 30 May 2024 19:34:05 -0600 Subject: [PATCH 0805/1716] The modern styling is apparently to use Title Case for the chip/company, "Arm". --- .../src/platform-support/arm-none-eabi.md | 44 +++++++++---------- 1 file changed, 22 insertions(+), 22 deletions(-) diff --git a/src/doc/rustc/src/platform-support/arm-none-eabi.md b/src/doc/rustc/src/platform-support/arm-none-eabi.md index 09f3461cb980..de0ef322fa67 100644 --- a/src/doc/rustc/src/platform-support/arm-none-eabi.md +++ b/src/doc/rustc/src/platform-support/arm-none-eabi.md @@ -3,7 +3,7 @@ ## Common Target Details This documentation covers details that apply to a range of bare-metal targets -for 32-bit ARM CPUs. The `arm-none-eabi` flavor of the GNU compiler toolchain is +for 32-bit Arm CPUs. The `arm-none-eabi` flavor of the GNU compiler toolchain is often used to assist compilation to these targets. Details that apply only to only a specific target in this group are covered in @@ -11,55 +11,55 @@ their own document. ### Tier 2 Target List -- ARM A-Profile Architectures +- Arm A-Profile Architectures - `armv7a-none-eabi` -- ARM R-Profile Architectures +- Arm R-Profile Architectures - [`armv7r-none-eabi` and `armv7r-none-eabihf`](armv7r-none-eabi.md) - [`armebv7r-none-eabi` and `armebv7r-none-eabihf`](armv7r-none-eabi.md) -- ARM M-Profile Architectures +- Arm M-Profile Architectures - [`thumbv6m-none-eabi`](thumbv6m-none-eabi.md) - [`thumbv7m-none-eabi`](thumbv7m-none-eabi.md) - [`thumbv7em-none-eabi` and `thumbv7em-none-eabihf`](thumbv7em-none-eabi.md) - [`thumbv8m.base-none-eabi`](thumbv8m.base-none-eabi.md) - [`thumbv8m.main-none-eabi` and `thumbv8m.main-none-eabihf`](thumbv8m.main-none-eabi.md) -- *Legacy* ARM Architectures +- *Legacy* Arm Architectures - None ### Tier 3 Target List -- ARM A-Profile Architectures +- Arm A-Profile Architectures - `armv7a-none-eabihf` -- ARM R-Profile Architectures +- Arm R-Profile Architectures - [`armv8r-none-eabihf`](armv8r-none-eabihf.md) -- ARM M-Profile Architectures +- Arm M-Profile Architectures - None -- *Legacy* ARM Architectures +- *Legacy* Arm Architectures - [`armv4t-none-eabi` and `thumbv4t-none-eabi`](armv4t-none-eabi.md) - [`armv5te-none-eabi` and `thumbv5te-none-eabi`](armv5te-none-eabi.md) ## Instruction Sets -There are two 32-bit instruction set architectures (ISAs) defined by ARM: +There are two 32-bit instruction set architectures (ISAs) defined by Arm: - The [*A32 ISA*][a32-isa], with fixed-width 32-bit instructions. Previously - known as the *ARM* ISA, this originated with the original ARM1 of 1985 and has + known as the *Arm* ISA, this originated with the original Arm1 of 1985 and has been updated by various revisions to the architecture specifications ever since. - The [*T32 ISA*][t32-isa], with a mix of 16-bit and 32-bit width instructions. Note that this term includes both the original 16-bit width *Thumb* ISA - introduced with the ARMv4T architecture in 1994, and the later 16/32-bit sized - *Thumb-2* ISA introduced with the ARMv6T2 architecture in 2003. + introduced with the Armv4T architecture in 1994, and the later 16/32-bit sized + *Thumb-2* ISA introduced with the Armv6T2 architecture in 2003. -Again, these ISAs have been revised by subsequent revisions to the relevant ARM +Again, these ISAs have been revised by subsequent revisions to the relevant Arm architecture specifications. There is also a 64-bit ISA with fixed-width 32-bit instructions called the *A64 ISA*, but targets which implement that instruction set generally start with `aarch64*` and are discussed elsewhere. -Rust targets starting with `arm*` generate ARM (A32) code by default, whilst -targets named `thumb*` generate Thumb (T32) code by default. Most ARM chips -support both Thumb mode and ARM mode, with the notable exception that M-profile +Rust targets starting with `arm*` generate Arm (A32) code by default, whilst +targets named `thumb*` generate Thumb (T32) code by default. Most Arm chips +support both Thumb mode and Arm mode, with the notable exception that M-profile processors (`thumbv*m*-none-eabi*` targets) *only* support Thumb-mode. Rust targets ending with `eabi` use the so-called *soft-float ABI*: functions @@ -92,14 +92,14 @@ instructions. ## Target CPU and Target Feature options -It is possible to tell Rust (or LLVM) that you have a specific model of ARM +It is possible to tell Rust (or LLVM) that you have a specific model of Arm processor, using the [`-C target-cpu`][target-cpu] option. You can also control whether Rust (or LLVM) will include instructions that target optional hardware features, e.g. hardware floating-point, or Advanced SIMD operations, using [`-C target-feature`][target-feature]. It is important to note that selecting a *target-cpu* will typically enable -*all* the optional features available from ARM on that model of CPU and your +*all* the optional features available from Arm on that model of CPU and your particular implementation of that CPU may not have those features available. In that case, you can use `-C target-feature=-option` to turn off the specific CPU features you do not have available, leaving you with the optimized instruction @@ -116,7 +116,7 @@ uses (likely linker related ones): ```toml rustflags = [ - # Usual ARM bare-metal linker setup + # Usual Arm bare-metal linker setup "-Clink-arg=-Tlink.x", "-Clink-arg=--nmagic", # tell Rust we have a Cortex-M55 @@ -139,7 +139,7 @@ These targets are cross-compiled and use static linking. By default, the `lld` linker included with Rust will be used; however, you may want to use the GNU linker instead. This can be obtained for Windows/Mac/Linux -from the [ARM Developer Website][arm-gnu-toolchain], or possibly from your OS's +from the [Arm Developer Website][arm-gnu-toolchain], or possibly from your OS's package manager. To use it, add the following to your `.cargo/config.toml`: ```toml @@ -185,7 +185,7 @@ Most of `core` should work as expected, with the following notes: specific kind of FPU) * Integer division is also emulated in software on some targets, depending on the target, `target-cpu` and `target-feature`s. -* Older ARM architectures (e.g. ARMv4, ARMv5TE and ARMv6-M) are limited to basic +* Older Arm architectures (e.g. Armv4, Armv5TE and Armv6-M) are limited to basic [`load`][atomic-load] and [`store`][atomic-store] operations, and not more advanced operations like [`fetch_add`][fetch-add] or [`compare_exchange`][compare-exchange]. From 08fe940f0a47f7281ec916a924ec978cac994491 Mon Sep 17 00:00:00 2001 From: Lucas Scharenbroch Date: Thu, 30 May 2024 21:39:12 -0500 Subject: [PATCH 0806/1716] Improve renaming suggestion for names with leading underscores --- compiler/rustc_resolve/src/diagnostics.rs | 38 ++++++++++++++--------- 1 file changed, 24 insertions(+), 14 deletions(-) diff --git a/compiler/rustc_resolve/src/diagnostics.rs b/compiler/rustc_resolve/src/diagnostics.rs index 856cfbc01e8c..d1541527cf59 100644 --- a/compiler/rustc_resolve/src/diagnostics.rs +++ b/compiler/rustc_resolve/src/diagnostics.rs @@ -1562,6 +1562,9 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { Some(suggestion) if suggestion.candidate == kw::Underscore => return false, Some(suggestion) => suggestion, }; + + let mut did_label_def_span = false; + if let Some(def_span) = suggestion.res.opt_def_id().map(|def_id| self.def_span(def_id)) { if span.overlaps(def_span) { // Don't suggest typo suggestion for itself like in the following: @@ -1595,31 +1598,38 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { errors::DefinedHere::SingleItem { span, candidate_descr, candidate } } }; + did_label_def_span = true; err.subdiagnostic(self.tcx.dcx(), label); } - let (span, sugg, post) = if let SuggestionTarget::SimilarlyNamed = suggestion.target + let (span, msg, sugg) = if let SuggestionTarget::SimilarlyNamed = suggestion.target && let Ok(snippet) = self.tcx.sess.source_map().span_to_snippet(span) && let Some(span) = suggestion.span && let Some(candidate) = suggestion.candidate.as_str().strip_prefix('_') && snippet == candidate { + let candidate = suggestion.candidate; // When the suggested binding change would be from `x` to `_x`, suggest changing the // original binding definition instead. (#60164) - let post = format!(", consider renaming `{}` into `{snippet}`", suggestion.candidate); - (span, snippet, post) - } else { - (span, suggestion.candidate.to_ident_string(), String::new()) - }; - let msg = match suggestion.target { - SuggestionTarget::SimilarlyNamed => format!( - "{} {} with a similar name exists{post}", - suggestion.res.article(), - suggestion.res.descr() - ), - SuggestionTarget::SingleItem => { - format!("maybe you meant this {}", suggestion.res.descr()) + let msg = format!( + "the leading underscore in `{candidate}` marks it as unused, consider renaming it to `{snippet}`" + ); + if !did_label_def_span { + err.span_label(span, format!("`{candidate}` defined here")); } + (span, msg, snippet) + } else { + let msg = match suggestion.target { + SuggestionTarget::SimilarlyNamed => format!( + "{} {} with a similar name exists", + suggestion.res.article(), + suggestion.res.descr() + ), + SuggestionTarget::SingleItem => { + format!("maybe you meant this {}", suggestion.res.descr()) + } + }; + (span, msg, suggestion.candidate.to_ident_string()) }; err.span_suggestion(span, msg, sugg, Applicability::MaybeIncorrect); true From 9af96745d693b5b263fab27c84d7cb55465ca09b Mon Sep 17 00:00:00 2001 From: Lucas Scharenbroch Date: Thu, 30 May 2024 21:39:41 -0500 Subject: [PATCH 0807/1716] Update ui tests for leading-underscore suggestion --- tests/ui/macros/expand-full-no-resolution.stderr | 4 ++-- tests/ui/suggestions/silenced-binding-typo.stderr | 4 +++- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/tests/ui/macros/expand-full-no-resolution.stderr b/tests/ui/macros/expand-full-no-resolution.stderr index 2537a5032a92..df6f20332bfd 100644 --- a/tests/ui/macros/expand-full-no-resolution.stderr +++ b/tests/ui/macros/expand-full-no-resolution.stderr @@ -7,7 +7,7 @@ LL | macro_rules! _a { LL | format_args!(a!()); | ^ | -help: a macro with a similar name exists, consider renaming `_a` into `a` +help: the leading underscore in `_a` marks it as unused, consider renaming it to `a` | LL | macro_rules! a { | ~ @@ -21,7 +21,7 @@ LL | macro_rules! _a { LL | env!(a!()); | ^ | -help: a macro with a similar name exists, consider renaming `_a` into `a` +help: the leading underscore in `_a` marks it as unused, consider renaming it to `a` | LL | macro_rules! a { | ~ diff --git a/tests/ui/suggestions/silenced-binding-typo.stderr b/tests/ui/suggestions/silenced-binding-typo.stderr index c362d00c713a..a1e8b9e30d4b 100644 --- a/tests/ui/suggestions/silenced-binding-typo.stderr +++ b/tests/ui/suggestions/silenced-binding-typo.stderr @@ -1,10 +1,12 @@ error[E0425]: cannot find value `x` in this scope --> $DIR/silenced-binding-typo.rs:4:14 | +LL | let _x = 42; + | -- `_x` defined here LL | let _y = x; | ^ | -help: a local variable with a similar name exists, consider renaming `_x` into `x` +help: the leading underscore in `_x` marks it as unused, consider renaming it to `x` | LL | let x = 42; | ~ From 4b96e44ebbf42dc8b6f3e5ac4894739adc17d826 Mon Sep 17 00:00:00 2001 From: Scott McMurray Date: Thu, 30 May 2024 22:05:30 -0700 Subject: [PATCH 0808/1716] Also InstSimplify `&raw*` We do this for `&*` and `&mut*` already; might as well do it for raw pointers too. --- .../rustc_mir_transform/src/instsimplify.rs | 2 +- .../ref_of_deref.pointers.InstSimplify.diff | 58 +++++++++++++++++++ .../ref_of_deref.references.InstSimplify.diff | 58 +++++++++++++++++++ tests/mir-opt/instsimplify/ref_of_deref.rs | 40 +++++++++++++ 4 files changed, 157 insertions(+), 1 deletion(-) create mode 100644 tests/mir-opt/instsimplify/ref_of_deref.pointers.InstSimplify.diff create mode 100644 tests/mir-opt/instsimplify/ref_of_deref.references.InstSimplify.diff create mode 100644 tests/mir-opt/instsimplify/ref_of_deref.rs diff --git a/compiler/rustc_mir_transform/src/instsimplify.rs b/compiler/rustc_mir_transform/src/instsimplify.rs index a54332b6f257..40db3e38fd32 100644 --- a/compiler/rustc_mir_transform/src/instsimplify.rs +++ b/compiler/rustc_mir_transform/src/instsimplify.rs @@ -123,7 +123,7 @@ impl<'tcx> InstSimplifyContext<'tcx, '_> { /// Transform `&(*a)` ==> `a`. fn simplify_ref_deref(&self, source_info: &SourceInfo, rvalue: &mut Rvalue<'tcx>) { - if let Rvalue::Ref(_, _, place) = rvalue { + if let Rvalue::Ref(_, _, place) | Rvalue::AddressOf(_, place) = rvalue { if let Some((base, ProjectionElem::Deref)) = place.as_ref().last_projection() { if rvalue.ty(self.local_decls, self.tcx) != base.ty(self.local_decls, self.tcx).ty { return; diff --git a/tests/mir-opt/instsimplify/ref_of_deref.pointers.InstSimplify.diff b/tests/mir-opt/instsimplify/ref_of_deref.pointers.InstSimplify.diff new file mode 100644 index 000000000000..52b3d1e1d40b --- /dev/null +++ b/tests/mir-opt/instsimplify/ref_of_deref.pointers.InstSimplify.diff @@ -0,0 +1,58 @@ +- // MIR for `pointers` before InstSimplify ++ // MIR for `pointers` after InstSimplify + + fn pointers(_1: *const [i32], _2: *mut i32) -> () { + debug const_ptr => _1; + debug mut_ptr => _2; + let mut _0: (); + let _3: &[i32]; + scope 1 { + debug _a => _3; + let _4: &i32; + scope 2 { + debug _b => _4; + let _5: &mut i32; + scope 3 { + debug _c => _5; + let _6: *const [i32]; + scope 4 { + debug _d => _6; + let _7: *const i32; + scope 5 { + debug _e => _7; + let _8: *mut i32; + scope 6 { + debug _f => _8; + } + } + } + } + } + } + + bb0: { + StorageLive(_3); + _3 = &(*_1); + StorageLive(_4); + _4 = &(*_2); + StorageLive(_5); + _5 = &mut (*_2); + StorageLive(_6); +- _6 = &raw const (*_1); ++ _6 = _1; + StorageLive(_7); + _7 = &raw const (*_2); + StorageLive(_8); +- _8 = &raw mut (*_2); ++ _8 = _2; + _0 = const (); + StorageDead(_8); + StorageDead(_7); + StorageDead(_6); + StorageDead(_5); + StorageDead(_4); + StorageDead(_3); + return; + } + } + diff --git a/tests/mir-opt/instsimplify/ref_of_deref.references.InstSimplify.diff b/tests/mir-opt/instsimplify/ref_of_deref.references.InstSimplify.diff new file mode 100644 index 000000000000..ca0828a225a0 --- /dev/null +++ b/tests/mir-opt/instsimplify/ref_of_deref.references.InstSimplify.diff @@ -0,0 +1,58 @@ +- // MIR for `references` before InstSimplify ++ // MIR for `references` after InstSimplify + + fn references(_1: &i32, _2: &mut [i32]) -> () { + debug const_ref => _1; + debug mut_ref => _2; + let mut _0: (); + let _3: &i32; + scope 1 { + debug _a => _3; + let _4: &[i32]; + scope 2 { + debug _b => _4; + let _5: &mut [i32]; + scope 3 { + debug _c => _5; + let _6: *const i32; + scope 4 { + debug _d => _6; + let _7: *const [i32]; + scope 5 { + debug _e => _7; + let _8: *mut [i32]; + scope 6 { + debug _f => _8; + } + } + } + } + } + } + + bb0: { + StorageLive(_3); +- _3 = &(*_1); ++ _3 = _1; + StorageLive(_4); + _4 = &(*_2); + StorageLive(_5); +- _5 = &mut (*_2); ++ _5 = _2; + StorageLive(_6); + _6 = &raw const (*_1); + StorageLive(_7); + _7 = &raw const (*_2); + StorageLive(_8); + _8 = &raw mut (*_2); + _0 = const (); + StorageDead(_8); + StorageDead(_7); + StorageDead(_6); + StorageDead(_5); + StorageDead(_4); + StorageDead(_3); + return; + } + } + diff --git a/tests/mir-opt/instsimplify/ref_of_deref.rs b/tests/mir-opt/instsimplify/ref_of_deref.rs new file mode 100644 index 000000000000..37e164bc17f1 --- /dev/null +++ b/tests/mir-opt/instsimplify/ref_of_deref.rs @@ -0,0 +1,40 @@ +//@ test-mir-pass: InstSimplify +#![crate_type = "lib"] +#![feature(raw_ref_op)] + +// For each of these, only 2 of the 6 should simplify, +// as the others have the wrong types. + +// EMIT_MIR ref_of_deref.references.InstSimplify.diff +// CHECK-LABEL: references +pub fn references(const_ref: &i32, mut_ref: &mut [i32]) { + // CHECK: _3 = _1; + let _a = &*const_ref; + // CHECK: _4 = &(*_2); + let _b = &*mut_ref; + // CHECK: _5 = _2; + let _c = &mut *mut_ref; + // CHECK: _6 = &raw const (*_1); + let _d = &raw const *const_ref; + // CHECK: _7 = &raw const (*_2); + let _e = &raw const *mut_ref; + // CHECK: _8 = &raw mut (*_2); + let _f = &raw mut *mut_ref; +} + +// EMIT_MIR ref_of_deref.pointers.InstSimplify.diff +// CHECK-LABEL: pointers +pub unsafe fn pointers(const_ptr: *const [i32], mut_ptr: *mut i32) { + // CHECK: _3 = &(*_1); + let _a = &*const_ptr; + // CHECK: _4 = &(*_2); + let _b = &*mut_ptr; + // CHECK: _5 = &mut (*_2); + let _c = &mut *mut_ptr; + // CHECK: _6 = _1; + let _d = &raw const *const_ptr; + // CHECK: _7 = &raw const (*_2); + let _e = &raw const *mut_ptr; + // CHECK: _8 = _2; + let _f = &raw mut *mut_ptr; +} From 72800d3b896a5733d08213ec357f3a875f1f5b0e Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 29 May 2024 14:11:20 +1000 Subject: [PATCH 0809/1716] Run rustfmt on `tests/codegen/`. Except for `simd-intrinsic/`, which has a lot of files containing multiple types like `u8x64` which really are better when hand-formatted. There is a surprising amount of two-space indenting in this directory. Non-trivial changes: - `rustfmt::skip` needed in `debug-column.rs` to preserve meaning of the test. - `rustfmt::skip` used in a few places where hand-formatting read more nicely: `enum/enum-match.rs` - Line number adjustments needed for the expected output of `debug-column.rs` and `coroutine-debug.rs`. --- rustfmt.toml | 2 +- tests/codegen/aarch64-struct-align-128.rs | 50 ++++--- tests/codegen/abi-efiapi.rs | 12 +- .../codegen/abi-main-signature-16bit-c-int.rs | 4 +- .../codegen/abi-main-signature-32bit-c-int.rs | 3 +- tests/codegen/abi-repr-ext.rs | 12 +- tests/codegen/abi-x86_64_sysv.rs | 16 +-- tests/codegen/adjustments.rs | 11 +- tests/codegen/align-byval.rs | 21 +-- tests/codegen/align-enum.rs | 6 +- tests/codegen/align-offset.rs | 1 - tests/codegen/align-struct.rs | 14 +- tests/codegen/array-cmp.rs | 11 +- tests/codegen/asm-maybe-uninit.rs | 2 +- tests/codegen/asm-sanitize-llvm.rs | 8 +- tests/codegen/atomicptr.rs | 3 +- tests/codegen/autovectorize-f32x4.rs | 31 ++-- tests/codegen/auxiliary/extern_decl.rs | 4 +- tests/codegen/auxiliary/nounwind.rs | 3 +- tests/codegen/avr/avr-func-addrspace.rs | 22 +-- .../binary-search-index-no-bound-check.rs | 6 +- tests/codegen/bool-cmp.rs | 8 +- tests/codegen/branch-protection.rs | 7 +- tests/codegen/cast-target-abi.rs | 13 +- tests/codegen/cf-protection.rs | 7 +- tests/codegen/cffi/ffi-const.rs | 7 +- tests/codegen/cffi/ffi-out-of-bounds-loads.rs | 9 +- tests/codegen/cffi/ffi-pure.rs | 7 +- tests/codegen/cfguard-checks.rs | 3 +- tests/codegen/cfguard-disabled.rs | 3 +- tests/codegen/cfguard-nochecks.rs | 3 +- tests/codegen/cfguard-non-msvc.rs | 3 +- tests/codegen/coercions.rs | 2 +- tests/codegen/constant-branch.rs | 32 ++--- tests/codegen/coroutine-debug-msvc.rs | 13 +- tests/codegen/coroutine-debug.rs | 13 +- tests/codegen/dealloc-no-unwind.rs | 10 +- tests/codegen/debug-column.rs | 5 +- tests/codegen/debug-compile-unit-path.rs | 2 +- .../debuginfo-generic-closure-env-names.rs | 7 +- tests/codegen/dllimports/auxiliary/wrapper.rs | 4 +- tests/codegen/dllimports/main.rs | 6 +- tests/codegen/drop-in-place-noalias.rs | 2 +- tests/codegen/drop.rs | 28 ++-- tests/codegen/dst-offset.rs | 53 ++++--- tests/codegen/dst-vtable-align-nonzero.rs | 14 +- tests/codegen/ehcontguard_disabled.rs | 3 +- tests/codegen/ehcontguard_enabled.rs | 3 +- tests/codegen/emcripten-catch-unwind.rs | 17 ++- tests/codegen/enable-lto-unit-splitting.rs | 5 +- tests/codegen/enum/enum-bounds-check.rs | 5 +- tests/codegen/enum/enum-debug-clike.rs | 6 +- tests/codegen/enum/enum-debug-niche.rs | 7 +- tests/codegen/enum/enum-debug-tagged.rs | 5 +- tests/codegen/enum/enum-match.rs | 1 + .../enum/unreachable_enum_default_branch.rs | 9 +- tests/codegen/fatptr.rs | 2 +- tests/codegen/float_math.rs | 30 ++-- tests/codegen/force-frame-pointers.rs | 2 +- tests/codegen/force-no-unwind-tables.rs | 2 +- tests/codegen/force-unwind-tables.rs | 2 +- tests/codegen/frame-pointer.rs | 9 +- tests/codegen/function-arguments-noopt.rs | 28 ++-- tests/codegen/function-arguments.rs | 132 +++++++----------- tests/codegen/generic-debug.rs | 2 +- tests/codegen/inline-always-works-always.rs | 2 +- tests/codegen/inline-debuginfo.rs | 2 +- .../instrument-coverage.rs | 6 +- tests/codegen/integer-cmp.rs | 16 +-- tests/codegen/integer-overflow.rs | 3 +- tests/codegen/internalize-closures.rs | 3 +- tests/codegen/intrinsic-no-unnamed-attr.rs | 4 +- tests/codegen/intrinsics/const_eval_select.rs | 8 +- tests/codegen/intrinsics/likely.rs | 14 +- tests/codegen/intrinsics/prefetch.rs | 5 +- tests/codegen/is_val_statically_known.rs | 2 +- tests/codegen/issue-97217.rs | 2 +- tests/codegen/issues/issue-103327.rs | 6 +- .../issues/issue-105386-ub-in-debuginfo.rs | 3 +- tests/codegen/issues/issue-119422.rs | 4 +- tests/codegen/issues/issue-13018.rs | 2 +- tests/codegen/issues/issue-32364.rs | 5 +- tests/codegen/issues/issue-37945.rs | 34 ++--- tests/codegen/issues/issue-45466.rs | 2 +- .../issue-45964-bounds-check-slice-pos.rs | 2 +- tests/codegen/issues/issue-47278.rs | 6 +- tests/codegen/issues/issue-47442.rs | 2 +- tests/codegen/issues/issue-56267-2.rs | 2 +- tests/codegen/issues/issue-56267.rs | 2 +- tests/codegen/issues/issue-56927.rs | 2 +- tests/codegen/issues/issue-73031.rs | 6 +- tests/codegen/issues/issue-73258.rs | 5 +- .../issues/issue-73338-effecient-cmp.rs | 10 +- ...issue-73396-bounds-check-after-position.rs | 36 +---- tests/codegen/issues/issue-75546.rs | 4 +- tests/codegen/issues/issue-77812.rs | 2 +- tests/codegen/issues/issue-84268.rs | 4 +- .../issues/issue-96497-slice-size-nowrap.rs | 2 +- tests/codegen/issues/issue-99960.rs | 6 +- tests/codegen/lib-optimizations/iter-sum.rs | 1 - tests/codegen/lifetime_start_end.rs | 16 +-- tests/codegen/link-dead-code.rs | 12 +- tests/codegen/link_section.rs | 2 +- .../loongarch-abi/loongarch64-lp64d-abi.rs | 9 +- tests/codegen/lto-removes-invokes.rs | 4 +- .../macos/i686-macosx-deployment-target.rs | 12 +- .../macos/i686-no-macosx-deployment-target.rs | 12 +- .../macos/x86_64-macosx-deployment-target.rs | 12 +- .../x86_64-no-macosx-deployment-target.rs | 12 +- tests/codegen/match-optimized.rs | 34 ++--- tests/codegen/match-optimizes-away.rs | 15 +- tests/codegen/mir_zst_stores.rs | 4 +- tests/codegen/naked-fn/naked-functions.rs | 7 +- tests/codegen/no-assumes-on-casts.rs | 8 +- tests/codegen/noalias-freeze.rs | 4 +- tests/codegen/noalias-unpin.rs | 2 +- .../non-terminate/infinite-recursion.rs | 1 - tests/codegen/noreturnflag.rs | 4 +- tests/codegen/nounwind.rs | 6 +- tests/codegen/optimize-attr-1.rs | 2 +- tests/codegen/option-niche-eq.rs | 2 +- tests/codegen/packed.rs | 36 ++--- tests/codegen/panic-abort-windows.rs | 6 +- tests/codegen/personality_lifetimes.rs | 8 +- tests/codegen/pgo-instrumentation.rs | 6 +- tests/codegen/pic-relocation-model.rs | 8 +- tests/codegen/pie-relocation-model.rs | 8 +- tests/codegen/powerpc64le-struct-align-128.rs | 30 ++-- tests/codegen/precondition-checks.rs | 4 +- tests/codegen/refs.rs | 9 +- tests/codegen/repr/transparent-imm-array.rs | 43 ++++-- tests/codegen/repr/transparent-mips64.rs | 42 ++++-- tests/codegen/repr/transparent-sparc64.rs | 43 ++++-- tests/codegen/repr/transparent-struct-ptr.rs | 43 ++++-- tests/codegen/repr/transparent-sysv64.rs | 23 ++- tests/codegen/repr/transparent.rs | 94 +++++++++---- .../riscv-abi/riscv64-lp64-lp64f-lp64d-abi.rs | 12 +- .../address-sanitizer-globals-tracking.rs | 2 +- .../cfi/add-canonical-jump-tables-flag.rs | 5 +- .../cfi/add-enable-split-lto-unit-flag.rs | 5 +- .../cfi/emit-type-checks-attr-no-sanitize.rs | 2 +- .../codegen/sanitizer/cfi/emit-type-checks.rs | 2 +- .../emit-type-metadata-attr-cfi-encoding.rs | 34 ++--- ...adata-id-itanium-cxx-abi-const-generics.rs | 11 +- ...tadata-id-itanium-cxx-abi-drop-in-place.rs | 2 +- ...adata-id-itanium-cxx-abi-function-types.rs | 24 ++-- ...e-metadata-id-itanium-cxx-abi-lifetimes.rs | 11 +- ...itanium-cxx-abi-method-secondary-typeid.rs | 3 +- ...tadata-id-itanium-cxx-abi-pointer-types.rs | 32 ++--- ...data-id-itanium-cxx-abi-primitive-types.rs | 122 ++++++++-------- ...-itanium-cxx-abi-repr-transparent-types.rs | 27 ++-- ...adata-id-itanium-cxx-abi-sequence-types.rs | 20 +-- ...metadata-id-itanium-cxx-abi-trait-types.rs | 102 ++++++++------ ...a-id-itanium-cxx-abi-user-defined-types.rs | 28 ++-- ...pe-metadata-itanium-cxx-abi-generalized.rs | 2 +- ...-itanium-cxx-abi-normalized-generalized.rs | 2 +- ...ype-metadata-itanium-cxx-abi-normalized.rs | 2 +- .../cfi/emit-type-metadata-itanium-cxx-abi.rs | 2 +- .../cfi/emit-type-metadata-trait-objects.rs | 14 +- .../sanitizer/cfi/generalize-pointers.rs | 26 ++-- .../sanitizer/cfi/normalize-integers.rs | 26 ++-- .../dataflow-instrument-functions.rs | 5 +- tests/codegen/sanitizer/kcfi/add-kcfi-flag.rs | 13 +- ...it-kcfi-operand-bundle-attr-no-sanitize.rs | 10 +- ...rand-bundle-itanium-cxx-abi-generalized.rs | 10 +- ...-itanium-cxx-abi-normalized-generalized.rs | 10 +- ...erand-bundle-itanium-cxx-abi-normalized.rs | 10 +- ...mit-kcfi-operand-bundle-itanium-cxx-abi.rs | 10 +- .../kcfi/emit-kcfi-operand-bundle.rs | 10 +- .../kcfi/emit-type-metadata-trait-objects.rs | 48 +++---- .../codegen/sanitizer/memory-track-origins.rs | 2 +- .../codegen/sanitizer/no-sanitize-inlining.rs | 2 +- tests/codegen/sanitizer/no-sanitize.rs | 2 +- tests/codegen/set-discriminant-invalid.rs | 18 +-- tests/codegen/simd/issue-120720-reduce-nan.rs | 5 +- tests/codegen/simd/swap-simd-types.rs | 18 +-- tests/codegen/slice-position-bounds-check.rs | 10 +- .../codegen/slice-windows-no-bounds-check.rs | 5 +- .../some-abis-do-extend-params-to-32-bits.rs | 73 +++++++--- tests/codegen/sparc-struct-abi.rs | 19 ++- tests/codegen/split-lto-unit.rs | 5 +- tests/codegen/sroa-fragment-debuginfo.rs | 22 +-- tests/codegen/stack-probes-inline.rs | 4 +- tests/codegen/static-relocation-model-msvc.rs | 4 +- tests/codegen/stores.rs | 24 ++-- tests/codegen/swap-large-types.rs | 32 ++--- tests/codegen/target-feature-overrides.rs | 15 +- tests/codegen/thin-lto.rs | 3 +- tests/codegen/tied-features-strength.rs | 1 - tests/codegen/to_vec.rs | 4 +- tests/codegen/transmute-optimized.rs | 10 +- tests/codegen/try_identity.rs | 6 +- tests/codegen/try_question_mark_nop.rs | 22 +-- tests/codegen/tune-cpu-on-functions.rs | 2 +- tests/codegen/tuple-layout-opt.rs | 26 +++- tests/codegen/union-abi.rs | 93 +++++++++--- tests/codegen/unwind-abis/aapcs-unwind-abi.rs | 10 +- tests/codegen/unwind-abis/c-unwind-abi.rs | 6 +- tests/codegen/unwind-abis/cdecl-unwind-abi.rs | 6 +- .../unwind-abis/fastcall-unwind-abi.rs | 10 +- .../codegen/unwind-abis/stdcall-unwind-abi.rs | 10 +- .../codegen/unwind-abis/system-unwind-abi.rs | 6 +- .../codegen/unwind-abis/sysv64-unwind-abi.rs | 10 +- .../unwind-abis/thiscall-unwind-abi.rs | 10 +- .../unwind-abis/vectorcall-unwind-abi.rs | 10 +- tests/codegen/unwind-abis/win64-unwind-abi.rs | 10 +- tests/codegen/vec-iter-collect-len.rs | 2 +- tests/codegen/vtable-upcast.rs | 6 +- tests/codegen/wasm_exceptions.rs | 26 ++-- tests/codegen/zip.rs | 4 +- tests/codegen/zst-offset.rs | 9 +- 211 files changed, 1445 insertions(+), 1332 deletions(-) diff --git a/rustfmt.toml b/rustfmt.toml index f17c038899cb..24d300e91fa6 100644 --- a/rustfmt.toml +++ b/rustfmt.toml @@ -14,7 +14,7 @@ ignore = [ # - some contain syntax errors that cause rustfmt to give an error # - some UI tests are broken by different formatting # - some require special comments in a particular position (e.g. `EMIT_MIR` comments) - "/tests/codegen/", + "/tests/codegen/simd-intrinsic/", # Many types like `u8x64` are better hand-formatted. "/tests/codegen-units/", "/tests/coverage/", "/tests/coverage-run-rustdoc/", diff --git a/tests/codegen/aarch64-struct-align-128.rs b/tests/codegen/aarch64-struct-align-128.rs index 0a30a2527da6..d1b4132d501f 100644 --- a/tests/codegen/aarch64-struct-align-128.rs +++ b/tests/codegen/aarch64-struct-align-128.rs @@ -12,14 +12,12 @@ #![crate_type = "lib"] #![no_core] -#[lang="sized"] -trait Sized { } -#[lang="freeze"] -trait Freeze { } -#[lang="copy"] -trait Copy { } - - +#[lang = "sized"] +trait Sized {} +#[lang = "freeze"] +trait Freeze {} +#[lang = "copy"] +trait Copy {} // Passed as `[i64 x 2]`, since it's an aggregate with size <= 128 bits, align < 128 bits. #[repr(C)] @@ -31,7 +29,7 @@ pub struct Align8 { // repr(transparent), so same as above. #[repr(transparent)] pub struct Transparent8 { - a: Align8 + a: Align8, } // Passed as `[i64 x 2]`, since it's an aggregate with size <= 128 bits, align < 128 bits. @@ -47,8 +45,6 @@ extern "C" { fn test_8(a: Align8, b: Transparent8, c: Wrapped8); } - - // Passed as `i128`, since it's an aggregate with size <= 128 bits, align = 128 bits. // EXCEPT on Linux, where there's a special case to use its unadjusted alignment, // making it the same as `Align8`, so it's be passed as `[i64 x 2]`. @@ -62,7 +58,7 @@ pub struct Align16 { // repr(transparent), so same as above. #[repr(transparent)] pub struct Transparent16 { - a: Align16 + a: Align16, } // Passed as `i128`, since it's an aggregate with size <= 128 bits, align = 128 bits. @@ -79,8 +75,6 @@ extern "C" { fn test_16(a: Align16, b: Transparent16, c: Wrapped16); } - - // Passed as `i128`, since it's an aggregate with size <= 128 bits, align = 128 bits. #[repr(C)] pub struct I128 { @@ -90,13 +84,13 @@ pub struct I128 { // repr(transparent), so same as above. #[repr(transparent)] pub struct TransparentI128 { - a: I128 + a: I128, } // Passed as `i128`, since it's an aggregate with size <= 128 bits, align = 128 bits. #[repr(C)] pub struct WrappedI128 { - pub a: I128 + pub a: I128, } extern "C" { @@ -106,8 +100,6 @@ extern "C" { fn test_i128(a: I128, b: TransparentI128, c: WrappedI128); } - - // Passed as `[2 x i64]`, since it's an aggregate with size <= 128 bits, align < 128 bits. // Note that the Linux special case does not apply, because packing is not considered "adjustment". #[repr(C)] @@ -119,13 +111,13 @@ pub struct Packed { // repr(transparent), so same as above. #[repr(transparent)] pub struct TransparentPacked { - a: Packed + a: Packed, } // Passed as `[2 x i64]`, since it's an aggregate with size <= 128 bits, align < 128 bits. #[repr(C)] pub struct WrappedPacked { - pub a: Packed + pub a: Packed, } extern "C" { @@ -135,13 +127,19 @@ extern "C" { fn test_packed(a: Packed, b: TransparentPacked, c: WrappedPacked); } - - pub unsafe fn main( - a1: Align8, a2: Transparent8, a3: Wrapped8, - b1: Align16, b2: Transparent16, b3: Wrapped16, - c1: I128, c2: TransparentI128, c3: WrappedI128, - d1: Packed, d2: TransparentPacked, d3: WrappedPacked, + a1: Align8, + a2: Transparent8, + a3: Wrapped8, + b1: Align16, + b2: Transparent16, + b3: Wrapped16, + c1: I128, + c2: TransparentI128, + c3: WrappedI128, + d1: Packed, + d2: TransparentPacked, + d3: WrappedPacked, ) { test_8(a1, a2, a3); test_16(b1, b2, b3); diff --git a/tests/codegen/abi-efiapi.rs b/tests/codegen/abi-efiapi.rs index fa73f649ed87..986d042268aa 100644 --- a/tests/codegen/abi-efiapi.rs +++ b/tests/codegen/abi-efiapi.rs @@ -17,12 +17,12 @@ #![feature(no_core, lang_items)] #![no_core] -#[lang="sized"] -trait Sized { } -#[lang="freeze"] -trait Freeze { } -#[lang="copy"] -trait Copy { } +#[lang = "sized"] +trait Sized {} +#[lang = "freeze"] +trait Freeze {} +#[lang = "copy"] +trait Copy {} //x86_64: define win64cc void @has_efiapi //i686: define void @has_efiapi diff --git a/tests/codegen/abi-main-signature-16bit-c-int.rs b/tests/codegen/abi-main-signature-16bit-c-int.rs index 9832088ab338..d44b80475e47 100644 --- a/tests/codegen/abi-main-signature-16bit-c-int.rs +++ b/tests/codegen/abi-main-signature-16bit-c-int.rs @@ -6,8 +6,6 @@ //@[avr] only-avr //@[msp] only-msp430 - -fn main() { -} +fn main() {} // CHECK: define i16 @main(i16, i8**) diff --git a/tests/codegen/abi-main-signature-32bit-c-int.rs b/tests/codegen/abi-main-signature-32bit-c-int.rs index 7684024a2e38..ce475adde44c 100644 --- a/tests/codegen/abi-main-signature-32bit-c-int.rs +++ b/tests/codegen/abi-main-signature-32bit-c-int.rs @@ -6,7 +6,6 @@ //@ ignore-avr //@ ignore-wasi wasi codegens the main symbol differently -fn main() { -} +fn main() {} // CHECK: define{{( hidden| noundef)*}} i32 @main(i32{{( %0)?}}, ptr{{( %1)?}}) diff --git a/tests/codegen/abi-repr-ext.rs b/tests/codegen/abi-repr-ext.rs index 2e100a372355..a42f73566961 100644 --- a/tests/codegen/abi-repr-ext.rs +++ b/tests/codegen/abi-repr-ext.rs @@ -24,14 +24,17 @@ #![no_std] #![no_core] -#[lang="sized"] trait Sized { } -#[lang="freeze"] trait Freeze { } -#[lang="copy"] trait Copy { } +#[lang = "sized"] +trait Sized {} +#[lang = "freeze"] +trait Freeze {} +#[lang = "copy"] +trait Copy {} #[repr(i8)] pub enum Type { Type1 = 0, - Type2 = 1 + Type2 = 1, } // To accommodate rust#97800, one might consider writing the below as: @@ -50,7 +53,6 @@ pub enum Type { // riscv-SAME: signext // CHECK-SAME: i8 @test() - #[no_mangle] pub extern "C" fn test() -> Type { Type::Type1 diff --git a/tests/codegen/abi-x86_64_sysv.rs b/tests/codegen/abi-x86_64_sysv.rs index 659c1d93e208..09909f994d65 100644 --- a/tests/codegen/abi-x86_64_sysv.rs +++ b/tests/codegen/abi-x86_64_sysv.rs @@ -5,25 +5,25 @@ #![crate_type = "lib"] pub struct S24 { - a: i8, - b: i8, - c: i8, + a: i8, + b: i8, + c: i8, } pub struct S48 { - a: i16, - b: i16, - c: i8, + a: i16, + b: i16, + c: i8, } // CHECK: i24 @struct_24_bits(i24 #[no_mangle] pub extern "sysv64" fn struct_24_bits(a: S24) -> S24 { - a + a } // CHECK: i48 @struct_48_bits(i48 #[no_mangle] pub extern "sysv64" fn struct_48_bits(a: S48) -> S48 { - a + a } diff --git a/tests/codegen/adjustments.rs b/tests/codegen/adjustments.rs index 549a9737eb15..7f7831def083 100644 --- a/tests/codegen/adjustments.rs +++ b/tests/codegen/adjustments.rs @@ -5,17 +5,16 @@ // Hack to get the correct size for the length part in slices // CHECK: @helper([[USIZE:i[0-9]+]] %_1) #[no_mangle] -pub fn helper(_: usize) { -} +pub fn helper(_: usize) {} // CHECK-LABEL: @no_op_slice_adjustment #[no_mangle] pub fn no_op_slice_adjustment(x: &[u8]) -> &[u8] { // We used to generate an extra alloca and memcpy for the block's trailing expression value, so // check that we copy directly to the return value slot -// CHECK: %0 = insertvalue { ptr, [[USIZE]] } poison, ptr %x.0, 0 -// CHECK: %1 = insertvalue { ptr, [[USIZE]] } %0, [[USIZE]] %x.1, 1 -// CHECK: ret { ptr, [[USIZE]] } %1 + // CHECK: %0 = insertvalue { ptr, [[USIZE]] } poison, ptr %x.0, 0 + // CHECK: %1 = insertvalue { ptr, [[USIZE]] } %0, [[USIZE]] %x.1, 1 + // CHECK: ret { ptr, [[USIZE]] } %1 { x } } @@ -24,6 +23,6 @@ pub fn no_op_slice_adjustment(x: &[u8]) -> &[u8] { pub fn no_op_slice_adjustment2(x: &[u8]) -> &[u8] { // We used to generate an extra alloca and memcpy for the function's return value, so check // that there's no memcpy (the slice is written to sret_slot element-wise) -// CHECK-NOT: call void @llvm.memcpy. + // CHECK-NOT: call void @llvm.memcpy. no_op_slice_adjustment(x) } diff --git a/tests/codegen/align-byval.rs b/tests/codegen/align-byval.rs index 3a2be2b2b9c3..223696229cb1 100644 --- a/tests/codegen/align-byval.rs +++ b/tests/codegen/align-byval.rs @@ -23,9 +23,12 @@ #![no_std] #![no_core] -#[lang="sized"] trait Sized { } -#[lang="freeze"] trait Freeze { } -#[lang="copy"] trait Copy { } +#[lang = "sized"] +trait Sized {} +#[lang = "freeze"] +trait Freeze {} +#[lang = "copy"] +trait Copy {} impl Copy for i32 {} impl Copy for i64 {} @@ -58,7 +61,7 @@ pub struct ForceAlign4 { pub struct NaturalAlign8 { a: i64, b: i64, - c: i64 + c: i64, } // On i686-windows, this is passed by reference (because alignment is >4 and requested/forced), @@ -68,7 +71,7 @@ pub struct NaturalAlign8 { pub struct ForceAlign8 { a: i64, b: i64, - c: i64 + c: i64, } // On i686-windows, this is passed on stack, because requested alignment is <=4. @@ -77,28 +80,28 @@ pub struct ForceAlign8 { pub struct LowerFA8 { a: i64, b: i64, - c: i64 + c: i64, } // On i686-windows, this is passed by reference, because it contains a field with // requested/forced alignment. #[repr(C)] pub struct WrappedFA8 { - a: ForceAlign8 + a: ForceAlign8, } // On i686-windows, this has the same ABI as ForceAlign8, i.e. passed by reference. #[repr(transparent)] pub struct TransparentFA8 { _0: (), - a: ForceAlign8 + a: ForceAlign8, } #[repr(C)] #[repr(align(16))] pub struct ForceAlign16 { a: [i32; 16], - b: i8 + b: i8, } // CHECK-LABEL: @call_na1 diff --git a/tests/codegen/align-enum.rs b/tests/codegen/align-enum.rs index 93d5a87fb309..e8dd95d3afb0 100644 --- a/tests/codegen/align-enum.rs +++ b/tests/codegen/align-enum.rs @@ -18,8 +18,8 @@ pub struct Nested64 { // CHECK-LABEL: @align64 #[no_mangle] pub fn align64(a: u32) -> Align64 { -// CHECK: %a64 = alloca [64 x i8], align 64 -// CHECK: call void @llvm.memcpy.{{.*}}(ptr align 64 %{{.*}}, ptr align 64 %{{.*}}, i{{[0-9]+}} 64, i1 false) + // CHECK: %a64 = alloca [64 x i8], align 64 + // CHECK: call void @llvm.memcpy.{{.*}}(ptr align 64 %{{.*}}, ptr align 64 %{{.*}}, i{{[0-9]+}} 64, i1 false) let a64 = Align64::A(a); a64 } @@ -27,7 +27,7 @@ pub fn align64(a: u32) -> Align64 { // CHECK-LABEL: @nested64 #[no_mangle] pub fn nested64(a: u8, b: u32, c: u16) -> Nested64 { -// CHECK: %n64 = alloca [128 x i8], align 64 + // CHECK: %n64 = alloca [128 x i8], align 64 let n64 = Nested64 { a, b: Align64::B(b), c }; n64 } diff --git a/tests/codegen/align-offset.rs b/tests/codegen/align-offset.rs index 15b11f413cb5..aeac230f718f 100644 --- a/tests/codegen/align-offset.rs +++ b/tests/codegen/align-offset.rs @@ -53,7 +53,6 @@ pub fn align_offset_word_slice(slice: &[Align4]) -> usize { slice.as_ptr().align_offset(32) } - // CHECK-LABEL: @align_offset_word_ptr(ptr{{.+}}%ptr #[no_mangle] pub fn align_offset_word_ptr(ptr: *const Align4) -> usize { diff --git a/tests/codegen/align-struct.rs b/tests/codegen/align-struct.rs index e70b42b47db8..cc65b08a9223 100644 --- a/tests/codegen/align-struct.rs +++ b/tests/codegen/align-struct.rs @@ -25,9 +25,9 @@ pub enum Enum64 { // CHECK-LABEL: @align64 #[no_mangle] -pub fn align64(i : i32) -> Align64 { -// CHECK: %a64 = alloca [64 x i8], align 64 -// CHECK: call void @llvm.memcpy.{{.*}}(ptr align 64 %{{.*}}, ptr align 64 %{{.*}}, i{{[0-9]+}} 64, i1 false) +pub fn align64(i: i32) -> Align64 { + // CHECK: %a64 = alloca [64 x i8], align 64 + // CHECK: call void @llvm.memcpy.{{.*}}(ptr align 64 %{{.*}}, ptr align 64 %{{.*}}, i{{[0-9]+}} 64, i1 false) let a64 = Align64(i); a64 } @@ -37,14 +37,14 @@ pub fn align64(i : i32) -> Align64 { // CHECK-LABEL: @align64_load #[no_mangle] pub fn align64_load(a: Align64) -> i32 { -// CHECK: {{%.*}} = load i32, ptr {{%.*}}, align 64 + // CHECK: {{%.*}} = load i32, ptr {{%.*}}, align 64 a.0 } // CHECK-LABEL: @nested64 #[no_mangle] pub fn nested64(a: Align64, b: i32, c: i32, d: i8) -> Nested64 { -// CHECK: %n64 = alloca [128 x i8], align 64 + // CHECK: %n64 = alloca [128 x i8], align 64 let n64 = Nested64 { a, b, c, d }; n64 } @@ -52,7 +52,7 @@ pub fn nested64(a: Align64, b: i32, c: i32, d: i8) -> Nested64 { // CHECK-LABEL: @enum4 #[no_mangle] pub fn enum4(a: i32) -> Enum4 { -// CHECK: %e4 = alloca [8 x i8], align 4 + // CHECK: %e4 = alloca [8 x i8], align 4 let e4 = Enum4::A(a); e4 } @@ -60,7 +60,7 @@ pub fn enum4(a: i32) -> Enum4 { // CHECK-LABEL: @enum64 #[no_mangle] pub fn enum64(a: Align64) -> Enum64 { -// CHECK: %e64 = alloca [128 x i8], align 64 + // CHECK: %e64 = alloca [128 x i8], align 64 let e64 = Enum64::A(a); e64 } diff --git a/tests/codegen/array-cmp.rs b/tests/codegen/array-cmp.rs index 194c0adf1d2e..2565a385b61b 100644 --- a/tests/codegen/array-cmp.rs +++ b/tests/codegen/array-cmp.rs @@ -10,9 +10,10 @@ #[no_mangle] pub fn compare() -> bool { let bytes = 12.5f32.to_ne_bytes(); - bytes == if cfg!(target_endian = "big") { - [0x41, 0x48, 0x00, 0x00] - } else { - [0x00, 0x00, 0x48, 0x41] - } + bytes + == if cfg!(target_endian = "big") { + [0x41, 0x48, 0x00, 0x00] + } else { + [0x00, 0x00, 0x48, 0x41] + } } diff --git a/tests/codegen/asm-maybe-uninit.rs b/tests/codegen/asm-maybe-uninit.rs index f9bf280b3846..55813c35a468 100644 --- a/tests/codegen/asm-maybe-uninit.rs +++ b/tests/codegen/asm-maybe-uninit.rs @@ -4,8 +4,8 @@ #![crate_type = "rlib"] #![allow(asm_sub_register)] -use std::mem::MaybeUninit; use std::arch::asm; +use std::mem::MaybeUninit; // CHECK-LABEL: @int #[no_mangle] diff --git a/tests/codegen/asm-sanitize-llvm.rs b/tests/codegen/asm-sanitize-llvm.rs index 8638ed2236ac..fb332f9a0f3e 100644 --- a/tests/codegen/asm-sanitize-llvm.rs +++ b/tests/codegen/asm-sanitize-llvm.rs @@ -21,14 +21,10 @@ trait Copy {} pub unsafe fn we_escape_dollar_signs() { // CHECK: call void asm sideeffect alignstack inteldialect "banana$$:" - asm!( - r"banana$:", - ) + asm!(r"banana$:",) } pub unsafe fn we_escape_escapes_too() { // CHECK: call void asm sideeffect alignstack inteldialect "banana\{{(\\|5C)}}36:" - asm!( - r"banana\36:", - ) + asm!(r"banana\36:",) } diff --git a/tests/codegen/atomicptr.rs b/tests/codegen/atomicptr.rs index cbbd56155123..ea8b382c8fcc 100644 --- a/tests/codegen/atomicptr.rs +++ b/tests/codegen/atomicptr.rs @@ -6,13 +6,12 @@ //@ compile-flags: -O -Cno-prepopulate-passes #![crate_type = "lib"] - #![feature(strict_provenance)] #![feature(strict_provenance_atomic_ptr)] +use std::ptr::without_provenance_mut; use std::sync::atomic::AtomicPtr; use std::sync::atomic::Ordering::Relaxed; -use std::ptr::without_provenance_mut; // Portability hack so that we can say [[USIZE]] instead of i64/i32/i16 for usize. // CHECK: @helper([[USIZE:i[0-9]+]] noundef %_1) diff --git a/tests/codegen/autovectorize-f32x4.rs b/tests/codegen/autovectorize-f32x4.rs index 90c9f3691045..254362842f91 100644 --- a/tests/codegen/autovectorize-f32x4.rs +++ b/tests/codegen/autovectorize-f32x4.rs @@ -5,25 +5,20 @@ // CHECK-LABEL: @auto_vectorize_direct #[no_mangle] pub fn auto_vectorize_direct(a: [f32; 4], b: [f32; 4]) -> [f32; 4] { -// CHECK: load <4 x float> -// CHECK: load <4 x float> -// CHECK: fadd <4 x float> -// CHECK: store <4 x float> - [ - a[0] + b[0], - a[1] + b[1], - a[2] + b[2], - a[3] + b[3], - ] + // CHECK: load <4 x float> + // CHECK: load <4 x float> + // CHECK: fadd <4 x float> + // CHECK: store <4 x float> + [a[0] + b[0], a[1] + b[1], a[2] + b[2], a[3] + b[3]] } // CHECK-LABEL: @auto_vectorize_loop #[no_mangle] pub fn auto_vectorize_loop(a: [f32; 4], b: [f32; 4]) -> [f32; 4] { -// CHECK: load <4 x float> -// CHECK: load <4 x float> -// CHECK: fadd <4 x float> -// CHECK: store <4 x float> + // CHECK: load <4 x float> + // CHECK: load <4 x float> + // CHECK: fadd <4 x float> + // CHECK: store <4 x float> let mut c = [0.0; 4]; for i in 0..4 { c[i] = a[i] + b[i]; @@ -34,9 +29,9 @@ pub fn auto_vectorize_loop(a: [f32; 4], b: [f32; 4]) -> [f32; 4] { // CHECK-LABEL: @auto_vectorize_array_from_fn #[no_mangle] pub fn auto_vectorize_array_from_fn(a: [f32; 4], b: [f32; 4]) -> [f32; 4] { -// CHECK: load <4 x float> -// CHECK: load <4 x float> -// CHECK: fadd <4 x float> -// CHECK: store <4 x float> + // CHECK: load <4 x float> + // CHECK: load <4 x float> + // CHECK: fadd <4 x float> + // CHECK: store <4 x float> std::array::from_fn(|i| a[i] + b[i]) } diff --git a/tests/codegen/auxiliary/extern_decl.rs b/tests/codegen/auxiliary/extern_decl.rs index edc48351869a..d17e77b14448 100644 --- a/tests/codegen/auxiliary/extern_decl.rs +++ b/tests/codegen/auxiliary/extern_decl.rs @@ -5,7 +5,9 @@ #![crate_type = "lib"] #[no_mangle] -pub fn extern_fn() -> u8 { unsafe { extern_static } } +pub fn extern_fn() -> u8 { + unsafe { extern_static } +} #[no_mangle] pub static mut extern_static: u8 = 71; diff --git a/tests/codegen/auxiliary/nounwind.rs b/tests/codegen/auxiliary/nounwind.rs index 73c5aee33878..40f66442c6ed 100644 --- a/tests/codegen/auxiliary/nounwind.rs +++ b/tests/codegen/auxiliary/nounwind.rs @@ -1,3 +1,2 @@ #[no_mangle] -pub fn bar() { -} +pub fn bar() {} diff --git a/tests/codegen/avr/avr-func-addrspace.rs b/tests/codegen/avr/avr-func-addrspace.rs index fb53abecfdb2..2d9efb52c7cf 100644 --- a/tests/codegen/avr/avr-func-addrspace.rs +++ b/tests/codegen/avr/avr-func-addrspace.rs @@ -14,15 +14,18 @@ #![no_core] #[lang = "sized"] -pub trait Sized { } +pub trait Sized {} #[lang = "copy"] -pub trait Copy { } +pub trait Copy {} #[lang = "receiver"] -pub trait Receiver { } +pub trait Receiver {} #[lang = "tuple_trait"] -pub trait Tuple { } +pub trait Tuple {} -pub struct Result { _a: T, _b: E } +pub struct Result { + _a: T, + _b: E, +} impl Copy for usize {} impl Copy for &usize {} @@ -39,7 +42,7 @@ pub trait FnOnce { } #[lang = "fn_mut"] -pub trait FnMut : FnOnce { +pub trait FnMut: FnOnce { extern "rust-call" fn call_mut(&mut self, args: Args) -> Self::Output; } @@ -64,7 +67,7 @@ fn arbitrary_black_box(ptr: &usize, _: &mut u32) -> Result<(), ()> { #[inline(never)] #[no_mangle] -fn call_through_fn_trait(a: &mut impl Fn<(), Output=()>) { +fn call_through_fn_trait(a: &mut impl Fn<(), Output = ()>) { (*a)() } @@ -110,7 +113,10 @@ pub unsafe fn transmute_fn_ptr_to_data(x: fn()) -> *const () { transmute(x) } -pub enum Either { A(T), B(U) } +pub enum Either { + A(T), + B(U), +} // Previously, we would codegen this as passing/returning a scalar pair of `{ i8, ptr }`, // with the `ptr` field representing both `&i32` and `fn()` depending on the variant. diff --git a/tests/codegen/binary-search-index-no-bound-check.rs b/tests/codegen/binary-search-index-no-bound-check.rs index 96f6bb54b3fe..a213c015a40b 100644 --- a/tests/codegen/binary-search-index-no-bound-check.rs +++ b/tests/codegen/binary-search-index-no-bound-check.rs @@ -11,11 +11,7 @@ pub fn binary_search_index_no_bounds_check(s: &[u8]) -> u8 { // CHECK-NOT: slice_start_index_len_fail // CHECK-NOT: slice_end_index_len_fail // CHECK-NOT: panic_bounds_check - if let Ok(idx) = s.binary_search(&b'\\') { - s[idx] - } else { - 42 - } + if let Ok(idx) = s.binary_search(&b'\\') { s[idx] } else { 42 } } // Similarly, check that `partition_point` is known to return a valid fencepost. diff --git a/tests/codegen/bool-cmp.rs b/tests/codegen/bool-cmp.rs index 29ee3e0627bc..71d3411689f4 100644 --- a/tests/codegen/bool-cmp.rs +++ b/tests/codegen/bool-cmp.rs @@ -10,9 +10,9 @@ use std::cmp::Ordering; // CHECK-LABEL: @cmp_bool #[no_mangle] pub fn cmp_bool(a: bool, b: bool) -> Ordering { -// LLVM 10 produces (zext a) + (sext b), but the final lowering is (zext a) - (zext b). -// CHECK: zext i1 -// CHECK: {{z|s}}ext i1 -// CHECK: {{sub|add}} nsw + // LLVM 10 produces (zext a) + (sext b), but the final lowering is (zext a) - (zext b). + // CHECK: zext i1 + // CHECK: {{z|s}}ext i1 + // CHECK: {{sub|add}} nsw a.cmp(&b) } diff --git a/tests/codegen/branch-protection.rs b/tests/codegen/branch-protection.rs index 0961b1b9f522..a29ec67d578b 100644 --- a/tests/codegen/branch-protection.rs +++ b/tests/codegen/branch-protection.rs @@ -12,12 +12,11 @@ #![feature(no_core, lang_items)] #![no_core] -#[lang="sized"] -trait Sized { } +#[lang = "sized"] +trait Sized {} // A basic test function. -pub fn test() { -} +pub fn test() {} // BTI: !"branch-target-enforcement", i32 1 // BTI: !"sign-return-address", i32 0 diff --git a/tests/codegen/cast-target-abi.rs b/tests/codegen/cast-target-abi.rs index 9c31acc9bb7c..c6a8b7bbf378 100644 --- a/tests/codegen/cast-target-abi.rs +++ b/tests/codegen/cast-target-abi.rs @@ -18,9 +18,12 @@ #![no_std] #![no_core] -#[lang="sized"] trait Sized { } -#[lang="freeze"] trait Freeze { } -#[lang="copy"] trait Copy { } +#[lang = "sized"] +trait Sized {} +#[lang = "freeze"] +trait Freeze {} +#[lang = "copy"] +trait Copy {} // This struct will be passed as a single `i64` or `i32`. // This may be (if `i64)) larger than the Rust layout, which is just `{ i16, i16 }`. @@ -104,7 +107,6 @@ pub unsafe fn return_twou16s() -> TwoU16s { // powerpc64: [[RETVAL:%.+]] = alloca [4 x i8], align 2 // powerpc64: call void @returns_twou16s(ptr {{.+}} [[RETVAL]]) - // The other targets copy the cast ABI type to an alloca. // aarch64: [[ABI_ALLOCA:%.+]] = alloca [8 x i8], align [[ABI_ALIGN:8]] @@ -151,7 +153,6 @@ pub unsafe fn return_fiveu16s() -> FiveU16s { // powerpc64: call void @returns_fiveu16s(ptr {{.+}} [[RET_PTR]]) - // The other targets copy the cast ABI type to the sret pointer. // aarch64: [[ABI_ALLOCA:%.+]] = alloca [16 x i8], align [[ABI_ALIGN:8]] @@ -199,7 +200,6 @@ pub unsafe fn return_doubledouble() -> DoubleDouble { // powerpc64: [[RETVAL:%.+]] = alloca [16 x i8], align 8 // powerpc64: call void @returns_doubledouble(ptr {{.+}} [[RETVAL]]) - // The other targets copy the cast ABI type to an alloca. // aarch64: [[ABI_ALLOCA:%.+]] = alloca [16 x i8], align [[ABI_ALIGN:8]] @@ -266,7 +266,6 @@ pub unsafe fn return_doublefloat() -> DoubleFloat { // powerpc64: [[RETVAL:%.+]] = alloca [16 x i8], align 8 // powerpc64: call void @returns_doublefloat(ptr {{.+}} [[RETVAL]]) - // The other targets copy the cast ABI type to an alloca. // aarch64: [[ABI_ALLOCA:%.+]] = alloca [16 x i8], align [[ABI_ALIGN:8]] diff --git a/tests/codegen/cf-protection.rs b/tests/codegen/cf-protection.rs index 5120bbf114d9..244d1eb25442 100644 --- a/tests/codegen/cf-protection.rs +++ b/tests/codegen/cf-protection.rs @@ -13,12 +13,11 @@ #![feature(no_core, lang_items)] #![no_core] -#[lang="sized"] -trait Sized { } +#[lang = "sized"] +trait Sized {} // A basic test function. -pub fn test() { -} +pub fn test() {} // undefined-NOT: !"cf-protection-branch" // undefined-NOT: !"cf-protection-return" diff --git a/tests/codegen/cffi/ffi-const.rs b/tests/codegen/cffi/ffi-const.rs index 8044ad105d5d..564b8f7f8d8d 100644 --- a/tests/codegen/cffi/ffi-const.rs +++ b/tests/codegen/cffi/ffi-const.rs @@ -2,12 +2,15 @@ #![crate_type = "lib"] #![feature(ffi_const)] -pub fn bar() { unsafe { foo() } } +pub fn bar() { + unsafe { foo() } +} extern "C" { // CHECK-LABEL: declare{{.*}}void @foo() // CHECK-SAME: [[ATTRS:#[0-9]+]] // The attribute changed from `readnone` to `memory(none)` with LLVM 16.0. // CHECK-DAG: attributes [[ATTRS]] = { {{.*}}{{readnone|memory\(none\)}}{{.*}} } - #[ffi_const] pub fn foo(); + #[ffi_const] + pub fn foo(); } diff --git a/tests/codegen/cffi/ffi-out-of-bounds-loads.rs b/tests/codegen/cffi/ffi-out-of-bounds-loads.rs index 35bf00f8f3c3..614d5d94f620 100644 --- a/tests/codegen/cffi/ffi-out-of-bounds-loads.rs +++ b/tests/codegen/cffi/ffi-out-of-bounds-loads.rs @@ -13,9 +13,12 @@ #![no_std] #![no_core] -#[lang="sized"] trait Sized { } -#[lang="freeze"] trait Freeze { } -#[lang="copy"] trait Copy { } +#[lang = "sized"] +trait Sized {} +#[lang = "freeze"] +trait Freeze {} +#[lang = "copy"] +trait Copy {} #[repr(C)] struct S { diff --git a/tests/codegen/cffi/ffi-pure.rs b/tests/codegen/cffi/ffi-pure.rs index 51135fd37535..601509d5c90f 100644 --- a/tests/codegen/cffi/ffi-pure.rs +++ b/tests/codegen/cffi/ffi-pure.rs @@ -2,12 +2,15 @@ #![crate_type = "lib"] #![feature(ffi_pure)] -pub fn bar() { unsafe { foo() } } +pub fn bar() { + unsafe { foo() } +} extern "C" { // CHECK-LABEL: declare{{.*}}void @foo() // CHECK-SAME: [[ATTRS:#[0-9]+]] // The attribute changed from `readonly` to `memory(read)` with LLVM 16.0. // CHECK-DAG: attributes [[ATTRS]] = { {{.*}}{{readonly|memory\(read\)}}{{.*}} } - #[ffi_pure] pub fn foo(); + #[ffi_pure] + pub fn foo(); } diff --git a/tests/codegen/cfguard-checks.rs b/tests/codegen/cfguard-checks.rs index 2b09a5fe12c2..cdf6406ad61b 100644 --- a/tests/codegen/cfguard-checks.rs +++ b/tests/codegen/cfguard-checks.rs @@ -4,8 +4,7 @@ #![crate_type = "lib"] // A basic test function. -pub fn test() { -} +pub fn test() {} // Ensure the module flag cfguard=2 is present // CHECK: !"cfguard", i32 2 diff --git a/tests/codegen/cfguard-disabled.rs b/tests/codegen/cfguard-disabled.rs index 105e02072615..90915c0f0c6b 100644 --- a/tests/codegen/cfguard-disabled.rs +++ b/tests/codegen/cfguard-disabled.rs @@ -4,8 +4,7 @@ #![crate_type = "lib"] // A basic test function. -pub fn test() { -} +pub fn test() {} // Ensure the module flag cfguard is not present // CHECK-NOT: !"cfguard" diff --git a/tests/codegen/cfguard-nochecks.rs b/tests/codegen/cfguard-nochecks.rs index 0443880d72da..5f386533ec1a 100644 --- a/tests/codegen/cfguard-nochecks.rs +++ b/tests/codegen/cfguard-nochecks.rs @@ -4,8 +4,7 @@ #![crate_type = "lib"] // A basic test function. -pub fn test() { -} +pub fn test() {} // Ensure the module flag cfguard=1 is present // CHECK: !"cfguard", i32 1 diff --git a/tests/codegen/cfguard-non-msvc.rs b/tests/codegen/cfguard-non-msvc.rs index 5d266de8a94d..1e6559aaf5d2 100644 --- a/tests/codegen/cfguard-non-msvc.rs +++ b/tests/codegen/cfguard-non-msvc.rs @@ -4,8 +4,7 @@ #![crate_type = "lib"] // A basic test function. -pub fn test() { -} +pub fn test() {} // Ensure the cfguard module flag is not added for non-MSVC targets. // CHECK-NOT: !"cfguard" diff --git a/tests/codegen/coercions.rs b/tests/codegen/coercions.rs index a205e541df10..63c1742c6399 100644 --- a/tests/codegen/coercions.rs +++ b/tests/codegen/coercions.rs @@ -7,7 +7,7 @@ static X: i32 = 5; // CHECK-LABEL: @raw_ptr_to_raw_ptr_noop // CHECK-NOT: alloca #[no_mangle] -pub fn raw_ptr_to_raw_ptr_noop() -> *const i32{ +pub fn raw_ptr_to_raw_ptr_noop() -> *const i32 { &X as *const i32 } diff --git a/tests/codegen/constant-branch.rs b/tests/codegen/constant-branch.rs index 3328b1eb4a88..a2710cc4b258 100644 --- a/tests/codegen/constant-branch.rs +++ b/tests/codegen/constant-branch.rs @@ -8,18 +8,10 @@ #[no_mangle] pub fn if_bool() { // CHECK: br label %{{.+}} - _ = if true { - 0 - } else { - 1 - }; + _ = if true { 0 } else { 1 }; // CHECK: br label %{{.+}} - _ = if false { - 0 - } else { - 1 - }; + _ = if false { 0 } else { 1 }; } // CHECK-LABEL: @if_constant_int_eq @@ -27,18 +19,10 @@ pub fn if_bool() { pub fn if_constant_int_eq() { let val = 0; // CHECK: br label %{{.+}} - _ = if val == 0 { - 0 - } else { - 1 - }; + _ = if val == 0 { 0 } else { 1 }; // CHECK: br label %{{.+}} - _ = if val == 1 { - 0 - } else { - 1 - }; + _ = if val == 1 { 0 } else { 1 }; } // CHECK-LABEL: @if_constant_match @@ -48,19 +32,19 @@ pub fn if_constant_match() { _ = match 1 { 1 => 2, 2 => 3, - _ => 4 + _ => 4, }; // CHECK: br label %{{.+}} _ = match 1 { 2 => 3, - _ => 4 + _ => 4, }; // CHECK: br label %[[MINUS1:.+]] _ = match -1 { - // CHECK: [[MINUS1]]: - // CHECK: store i32 1 + // CHECK: [[MINUS1]]: + // CHECK: store i32 1 -1 => 1, _ => 0, } diff --git a/tests/codegen/coroutine-debug-msvc.rs b/tests/codegen/coroutine-debug-msvc.rs index e2296db1d594..9e2ec3ea28ac 100644 --- a/tests/codegen/coroutine-debug-msvc.rs +++ b/tests/codegen/coroutine-debug-msvc.rs @@ -11,7 +11,8 @@ use std::ops::Coroutine; fn coroutine_test() -> impl Coroutine { - #[coroutine] || { + #[coroutine] + || { yield 0; let s = String::from("foo"); yield 1; @@ -23,23 +24,23 @@ fn coroutine_test() -> impl Coroutine { // CHECK-DAG: [[GEN:!.*]] = !DICompositeType(tag: DW_TAG_union_type, name: "enum2$" // CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant0", scope: [[GEN]], // For brevity, we only check the struct name and members of the last variant. -// CHECK-SAME: file: [[FILE:![0-9]*]], line: 14, +// CHECK-SAME: file: [[FILE:![0-9]*]], line: 15, // CHECK-NOT: flags: DIFlagArtificial // CHECK-SAME: ) // CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant1", scope: [[GEN]], -// CHECK-SAME: file: [[FILE]], line: 18, +// CHECK-SAME: file: [[FILE]], line: 19, // CHECK-NOT: flags: DIFlagArtificial // CHECK-SAME: ) // CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant2", scope: [[GEN]], -// CHECK-SAME: file: [[FILE]], line: 18, +// CHECK-SAME: file: [[FILE]], line: 19, // CHECK-NOT: flags: DIFlagArtificial // CHECK-SAME: ) // CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant3", scope: [[GEN]], -// CHECK-SAME: file: [[FILE]], line: 15, +// CHECK-SAME: file: [[FILE]], line: 16, // CHECK-NOT: flags: DIFlagArtificial // CHECK-SAME: ) // CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "variant4", scope: [[GEN]], -// CHECK-SAME: file: [[FILE]], line: 17, +// CHECK-SAME: file: [[FILE]], line: 18, // CHECK-SAME: baseType: [[VARIANT_WRAPPER:![0-9]*]] // CHECK-NOT: flags: DIFlagArtificial // CHECK-SAME: ) diff --git a/tests/codegen/coroutine-debug.rs b/tests/codegen/coroutine-debug.rs index 914515f58b85..d00667a37d5e 100644 --- a/tests/codegen/coroutine-debug.rs +++ b/tests/codegen/coroutine-debug.rs @@ -11,7 +11,8 @@ use std::ops::Coroutine; fn coroutine_test() -> impl Coroutine { - #[coroutine] || { + #[coroutine] + || { yield 0; let s = String::from("foo"); yield 1; @@ -26,26 +27,26 @@ fn coroutine_test() -> impl Coroutine { // CHECK-NOT: flags: DIFlagArtificial // CHECK-SAME: discriminator: [[DISC:![0-9]*]] // CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "0", scope: [[VARIANT]], -// CHECK-SAME: file: [[FILE:![0-9]*]], line: 14, +// CHECK-SAME: file: [[FILE:![0-9]*]], line: 15, // CHECK-NOT: flags: DIFlagArtificial // CHECK-SAME: ) // CHECK: {{!.*}} = !DICompositeType(tag: DW_TAG_structure_type, name: "Unresumed", scope: [[GEN]], // CHECK-NOT: flags: DIFlagArtificial // CHECK-SAME: ) // CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "1", scope: [[VARIANT]], -// CHECK-SAME: file: [[FILE]], line: 18, +// CHECK-SAME: file: [[FILE]], line: 19, // CHECK-NOT: flags: DIFlagArtificial // CHECK-SAME: ) // CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "2", scope: [[VARIANT]], -// CHECK-SAME: file: [[FILE]], line: 18, +// CHECK-SAME: file: [[FILE]], line: 19, // CHECK-NOT: flags: DIFlagArtificial // CHECK-SAME: ) // CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "3", scope: [[VARIANT]], -// CHECK-SAME: file: [[FILE]], line: 15, +// CHECK-SAME: file: [[FILE]], line: 16, // CHECK-NOT: flags: DIFlagArtificial // CHECK-SAME: ) // CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "4", scope: [[VARIANT]], -// CHECK-SAME: file: [[FILE]], line: 17, +// CHECK-SAME: file: [[FILE]], line: 18, // CHECK-NOT: flags: DIFlagArtificial // CHECK-SAME: ) // CHECK: [[S1:!.*]] = !DICompositeType(tag: DW_TAG_structure_type, name: "Suspend1", scope: [[GEN]], diff --git a/tests/codegen/dealloc-no-unwind.rs b/tests/codegen/dealloc-no-unwind.rs index 667f6fea1857..ead26da610e2 100644 --- a/tests/codegen/dealloc-no-unwind.rs +++ b/tests/codegen/dealloc-no-unwind.rs @@ -1,13 +1,17 @@ //@ compile-flags: -O -#![crate_type="lib"] +#![crate_type = "lib"] struct A; impl Drop for A { fn drop(&mut self) { - extern "C" { fn foo(); } - unsafe { foo(); } + extern "C" { + fn foo(); + } + unsafe { + foo(); + } } } diff --git a/tests/codegen/debug-column.rs b/tests/codegen/debug-column.rs index ff25fbe1b132..d14a5c29142e 100644 --- a/tests/codegen/debug-column.rs +++ b/tests/codegen/debug-column.rs @@ -3,6 +3,7 @@ //@ ignore-windows //@ compile-flags: -C debuginfo=2 +#[rustfmt::skip] fn main() { unsafe { // Column numbers are 1-based. Regression test for #65437. @@ -13,8 +14,8 @@ fn main() { // CHECK: call void @turtle(){{( #[0-9]+)?}}, !dbg [[B:!.*]] /* ż */ turtle(); - // CHECK: [[A]] = !DILocation(line: 10, column: 9, - // CHECK: [[B]] = !DILocation(line: 14, column: 10, + // CHECK: [[A]] = !DILocation(line: 11, column: 9, + // CHECK: [[B]] = !DILocation(line: 15, column: 10, } } diff --git a/tests/codegen/debug-compile-unit-path.rs b/tests/codegen/debug-compile-unit-path.rs index 4be418d66103..6131d9d7351a 100644 --- a/tests/codegen/debug-compile-unit-path.rs +++ b/tests/codegen/debug-compile-unit-path.rs @@ -3,7 +3,7 @@ // // Ensure that we remap the compile unit directory and that we set it to the compilers current // working directory and not something else. -#![crate_type="rlib"] +#![crate_type = "rlib"] // CHECK-DAG: [[FILE:![0-9]*]] = !DIFile(filename: "/base/debug-compile-unit-path.rs{{.*}}", directory: "/cwd/") // CHECK-DAG: {{![0-9]*}} = distinct !DICompileUnit({{.*}}file: [[FILE]] diff --git a/tests/codegen/debuginfo-generic-closure-env-names.rs b/tests/codegen/debuginfo-generic-closure-env-names.rs index 04ff7fff4399..6d56fbc40abe 100644 --- a/tests/codegen/debuginfo-generic-closure-env-names.rs +++ b/tests/codegen/debuginfo-generic-closure-env-names.rs @@ -46,7 +46,6 @@ // NONMSVC-DAG: !DICompositeType(tag: DW_TAG_structure_type, name: "{closure_env#0}", scope: ![[function_containing_closure_NAMESPACE]] // MSVC-DAG: !DICompositeType(tag: DW_TAG_structure_type, name: "closure_env$0", scope: ![[function_containing_closure_NAMESPACE]] - #![crate_type = "lib"] use std::future::Future; @@ -70,11 +69,9 @@ async fn generic_async_function(x: T) -> T { x } -fn generic_async_block(x: T) -> impl Future { +fn generic_async_block(x: T) -> impl Future { static _X: u8 = 0; // Same as above - async move { - x - } + async move { x } } pub fn instantiate_generics() { diff --git a/tests/codegen/dllimports/auxiliary/wrapper.rs b/tests/codegen/dllimports/auxiliary/wrapper.rs index 7d1f6ab70d5f..00a29f7ee7e5 100644 --- a/tests/codegen/dllimports/auxiliary/wrapper.rs +++ b/tests/codegen/dllimports/auxiliary/wrapper.rs @@ -1,13 +1,13 @@ //@ no-prefer-dynamic #![crate_type = "rlib"] -#[link(name = "dummy", kind="dylib")] +#[link(name = "dummy", kind = "dylib")] extern "C" { pub fn dylib_func2(x: i32) -> i32; pub static dylib_global2: i32; } -#[link(name = "dummy", kind="static")] +#[link(name = "dummy", kind = "static")] extern "C" { pub fn static_func2(x: i32) -> i32; pub static static_global2: i32; diff --git a/tests/codegen/dllimports/main.rs b/tests/codegen/dllimports/main.rs index c1626853b16d..93d350a22380 100644 --- a/tests/codegen/dllimports/main.rs +++ b/tests/codegen/dllimports/main.rs @@ -1,4 +1,4 @@ - // This test is for *-windows-msvc only. +// This test is for *-windows-msvc only. //@ only-windows //@ ignore-gnu @@ -20,13 +20,13 @@ extern crate wrapper; // CHECK: declare noundef i32 @static_func1(i32 noundef) // CHECK: declare noundef i32 @static_func2(i32 noundef) -#[link(name = "dummy", kind="dylib")] +#[link(name = "dummy", kind = "dylib")] extern "C" { pub fn dylib_func1(x: i32) -> i32; pub static dylib_global1: i32; } -#[link(name = "dummy", kind="static")] +#[link(name = "dummy", kind = "static")] extern "C" { pub fn static_func1(x: i32) -> i32; pub static static_global1: i32; diff --git a/tests/codegen/drop-in-place-noalias.rs b/tests/codegen/drop-in-place-noalias.rs index 36532ea8f532..2dc769df1c92 100644 --- a/tests/codegen/drop-in-place-noalias.rs +++ b/tests/codegen/drop-in-place-noalias.rs @@ -3,7 +3,7 @@ // Tests that the compiler can apply `noalias` and other &mut attributes to `drop_in_place`. // Note that non-Unpin types should not get `noalias`, matching &mut behavior. -#![crate_type="lib"] +#![crate_type = "lib"] use std::marker::PhantomPinned; diff --git a/tests/codegen/drop.rs b/tests/codegen/drop.rs index 1e80247ba8aa..b22a8ef27d23 100644 --- a/tests/codegen/drop.rs +++ b/tests/codegen/drop.rs @@ -7,28 +7,26 @@ struct SomeUniqueName; impl Drop for SomeUniqueName { #[inline(never)] - fn drop(&mut self) { - } + fn drop(&mut self) {} } #[inline(never)] -pub fn possibly_unwinding() { -} +pub fn possibly_unwinding() {} // CHECK-LABEL: @droppy #[no_mangle] pub fn droppy() { -// Check that there are exactly 6 drop calls. The cleanups for the unwinding should be reused, so -// that's one new drop call per call to possibly_unwinding(), and finally 3 drop calls for the -// regular function exit. We used to have problems with quadratic growths of drop calls in such -// functions. -// FIXME(eddyb) the `void @` forces a match on the instruction, instead of the -// comment, that's `; call core::ptr::drop_in_place::` -// for the `v0` mangling, should switch to matching on that once `legacy` is gone. -// CHECK-COUNT-6: {{(call|invoke) void @.*}}drop_in_place{{.*}}SomeUniqueName -// CHECK-NOT: {{(call|invoke) void @.*}}drop_in_place{{.*}}SomeUniqueName -// The next line checks for the } that ends the function definition -// CHECK-LABEL: {{^[}]}} + // Check that there are exactly 6 drop calls. The cleanups for the unwinding should be reused, + // so that's one new drop call per call to possibly_unwinding(), and finally 3 drop calls for + // the regular function exit. We used to have problems with quadratic growths of drop calls in + // such functions. + // FIXME(eddyb) the `void @` forces a match on the instruction, instead of the + // comment, that's `; call core::ptr::drop_in_place::` + // for the `v0` mangling, should switch to matching on that once `legacy` is gone. + // CHECK-COUNT-6: {{(call|invoke) void @.*}}drop_in_place{{.*}}SomeUniqueName + // CHECK-NOT: {{(call|invoke) void @.*}}drop_in_place{{.*}}SomeUniqueName + // The next line checks for the } that ends the function definition + // CHECK-LABEL: {{^[}]}} let _s = SomeUniqueName; possibly_unwinding(); let _s = SomeUniqueName; diff --git a/tests/codegen/dst-offset.rs b/tests/codegen/dst-offset.rs index ce735baeb6a9..7177a960432a 100644 --- a/tests/codegen/dst-offset.rs +++ b/tests/codegen/dst-offset.rs @@ -3,7 +3,6 @@ //@ compile-flags: -C no-prepopulate-passes -Copt-level=0 #![crate_type = "lib"] - #![feature(extern_types)] use std::ptr::addr_of; @@ -11,8 +10,7 @@ use std::ptr::addr_of; // Hack to get the correct type for usize // CHECK: @helper([[USIZE:i[0-9]+]] %_1) #[no_mangle] -pub fn helper(_: usize) { -} +pub fn helper(_: usize) {} struct Dst { x: u32, @@ -23,30 +21,31 @@ struct Dst { // CHECK: @dst_dyn_trait_offset(ptr align {{[0-9]+}} [[DATA_PTR:%.+]], ptr align {{[0-9]+}} [[VTABLE_PTR:%.+]]) #[no_mangle] pub fn dst_dyn_trait_offset(s: &Dst) -> &dyn Drop { -// The alignment of dyn trait is unknown, so we compute the offset based on align from the vtable. + // The alignment of dyn trait is unknown, so we compute the offset based on align from the + // vtable. -// CHECK: [[SIZE_PTR:%[0-9]+]] = getelementptr inbounds i8, ptr [[VTABLE_PTR]] -// CHECK: load [[USIZE]], ptr [[SIZE_PTR]] -// CHECK: [[ALIGN_PTR:%[0-9]+]] = getelementptr inbounds i8, ptr [[VTABLE_PTR]] -// CHECK: load [[USIZE]], ptr [[ALIGN_PTR]] + // CHECK: [[SIZE_PTR:%[0-9]+]] = getelementptr inbounds i8, ptr [[VTABLE_PTR]] + // CHECK: load [[USIZE]], ptr [[SIZE_PTR]] + // CHECK: [[ALIGN_PTR:%[0-9]+]] = getelementptr inbounds i8, ptr [[VTABLE_PTR]] + // CHECK: load [[USIZE]], ptr [[ALIGN_PTR]] -// CHECK: getelementptr inbounds i8, ptr [[DATA_PTR]] -// CHECK-NEXT: insertvalue -// CHECK-NEXT: insertvalue -// CHECK-NEXT: ret + // CHECK: getelementptr inbounds i8, ptr [[DATA_PTR]] + // CHECK-NEXT: insertvalue + // CHECK-NEXT: insertvalue + // CHECK-NEXT: ret &s.z } // CHECK-LABEL: @dst_slice_offset #[no_mangle] pub fn dst_slice_offset(s: &Dst<[u16]>) -> &[u16] { -// The alignment of [u16] is known, so we generate a GEP directly. + // The alignment of [u16] is known, so we generate a GEP directly. -// CHECK: start: -// CHECK-NEXT: getelementptr inbounds i8, {{.+}}, [[USIZE]] 6 -// CHECK-NEXT: insertvalue -// CHECK-NEXT: insertvalue -// CHECK-NEXT: ret + // CHECK: start: + // CHECK-NEXT: getelementptr inbounds i8, {{.+}}, [[USIZE]] 6 + // CHECK-NEXT: insertvalue + // CHECK-NEXT: insertvalue + // CHECK-NEXT: ret &s.z } @@ -60,25 +59,25 @@ struct PackedDstSlice { // CHECK-LABEL: @packed_dst_slice_offset #[no_mangle] pub fn packed_dst_slice_offset(s: &PackedDstSlice) -> *const [u16] { -// The alignment of [u16] is known, so we generate a GEP directly. + // The alignment of [u16] is known, so we generate a GEP directly. -// CHECK: start: -// CHECK-NEXT: getelementptr inbounds i8, {{.+}}, [[USIZE]] 5 -// CHECK-NEXT: insertvalue -// CHECK-NEXT: insertvalue -// CHECK-NEXT: ret + // CHECK: start: + // CHECK-NEXT: getelementptr inbounds i8, {{.+}}, [[USIZE]] 5 + // CHECK-NEXT: insertvalue + // CHECK-NEXT: insertvalue + // CHECK-NEXT: ret addr_of!(s.z) } -extern { +extern "C" { pub type Extern; } // CHECK-LABEL: @dst_extern #[no_mangle] pub fn dst_extern(s: &Dst) -> &Extern { -// Computing the alignment of an extern type is currently unsupported and just panics. + // Computing the alignment of an extern type is currently unsupported and just panics. -// CHECK: call void @{{.+}}panic + // CHECK: call void @{{.+}}panic &s.z } diff --git a/tests/codegen/dst-vtable-align-nonzero.rs b/tests/codegen/dst-vtable-align-nonzero.rs index b0507f4c217d..cb07e43238c1 100644 --- a/tests/codegen/dst-vtable-align-nonzero.rs +++ b/tests/codegen/dst-vtable-align-nonzero.rs @@ -10,9 +10,15 @@ pub trait Trait { fn f(&self); } -pub struct WrapperWithAlign1 { x: u8, y: T } +pub struct WrapperWithAlign1 { + x: u8, + y: T, +} -pub struct WrapperWithAlign2 { x: u16, y: T } +pub struct WrapperWithAlign2 { + x: u16, + y: T, +} pub struct Struct { _field: i8, @@ -22,7 +28,7 @@ pub struct Struct { // CHECK-LABEL: @eliminates_runtime_check_when_align_1 #[no_mangle] pub fn eliminates_runtime_check_when_align_1( - x: &Struct> + x: &Struct>, ) -> &WrapperWithAlign1 { // CHECK: load [[USIZE:i[0-9]+]], {{.+}} !range [[RANGE_META:![0-9]+]] // CHECK-NOT: llvm.umax @@ -35,7 +41,7 @@ pub fn eliminates_runtime_check_when_align_1( // CHECK-LABEL: @does_not_eliminate_runtime_check_when_align_2 #[no_mangle] pub fn does_not_eliminate_runtime_check_when_align_2( - x: &Struct> + x: &Struct>, ) -> &WrapperWithAlign2 { // CHECK: [[X0:%[0-9]+]] = load [[USIZE]], {{.+}} !range [[RANGE_META]] // CHECK: {{icmp|llvm.umax}} diff --git a/tests/codegen/ehcontguard_disabled.rs b/tests/codegen/ehcontguard_disabled.rs index dc4b5eb430bf..9efb2721b3e8 100644 --- a/tests/codegen/ehcontguard_disabled.rs +++ b/tests/codegen/ehcontguard_disabled.rs @@ -3,8 +3,7 @@ #![crate_type = "lib"] // A basic test function. -pub fn test() { -} +pub fn test() {} // Ensure the module flag ehcontguard is not present // CHECK-NOT: !"ehcontguard" diff --git a/tests/codegen/ehcontguard_enabled.rs b/tests/codegen/ehcontguard_enabled.rs index fde66f1c148e..ecc5512fd5de 100644 --- a/tests/codegen/ehcontguard_enabled.rs +++ b/tests/codegen/ehcontguard_enabled.rs @@ -3,8 +3,7 @@ #![crate_type = "lib"] // A basic test function. -pub fn test() { -} +pub fn test() {} // Ensure the module flag ehcontguard=1 is present // CHECK: !"ehcontguard", i32 1 diff --git a/tests/codegen/emcripten-catch-unwind.rs b/tests/codegen/emcripten-catch-unwind.rs index 7de7bd81b5c0..6cda8c6799f4 100644 --- a/tests/codegen/emcripten-catch-unwind.rs +++ b/tests/codegen/emcripten-catch-unwind.rs @@ -9,18 +9,23 @@ #![no_std] #![no_core] -#[lang="sized"] trait Sized { } -#[lang="freeze"] trait Freeze { } -#[lang="copy"] trait Copy { } +#[lang = "sized"] +trait Sized {} +#[lang = "freeze"] +trait Freeze {} +#[lang = "copy"] +trait Copy {} #[rustc_intrinsic] -fn size_of() -> usize { loop {} } +fn size_of() -> usize { + loop {} +} extern "rust-intrinsic" { fn catch_unwind( try_fn: fn(_: *mut u8), data: *mut u8, - catch_fn: fn(_: *mut u8, _: *mut u8) + catch_fn: fn(_: *mut u8, _: *mut u8), ) -> i32; } @@ -36,7 +41,7 @@ pub fn ptr_size() -> usize { pub unsafe fn test_catch_unwind( try_fn: fn(_: *mut u8), data: *mut u8, - catch_fn: fn(_: *mut u8, _: *mut u8) + catch_fn: fn(_: *mut u8, _: *mut u8), ) -> i32 { // CHECK: start: // CHECK: [[ALLOCA:%.*]] = alloca diff --git a/tests/codegen/enable-lto-unit-splitting.rs b/tests/codegen/enable-lto-unit-splitting.rs index e46980944778..51c2671bc4eb 100644 --- a/tests/codegen/enable-lto-unit-splitting.rs +++ b/tests/codegen/enable-lto-unit-splitting.rs @@ -2,9 +2,8 @@ // //@ compile-flags: -Clto -Ctarget-feature=-crt-static -Zsplit-lto-unit -#![crate_type="lib"] +#![crate_type = "lib"] -pub fn foo() { -} +pub fn foo() {} // CHECK: !{{[0-9]+}} = !{i32 4, !"EnableSplitLTOUnit", i32 1} diff --git a/tests/codegen/enum/enum-bounds-check.rs b/tests/codegen/enum/enum-bounds-check.rs index a1b32ec9295b..c44c007ed6a9 100644 --- a/tests/codegen/enum/enum-bounds-check.rs +++ b/tests/codegen/enum/enum-bounds-check.rs @@ -3,7 +3,8 @@ #![crate_type = "lib"] pub enum Foo { - A, B + A, + B, } // CHECK-LABEL: @lookup @@ -15,7 +16,7 @@ pub fn lookup(buf: &[u8; 2], f: Foo) -> u8 { pub enum Bar { A = 2, - B = 3 + B = 3, } // CHECK-LABEL: @lookup_unmodified diff --git a/tests/codegen/enum/enum-debug-clike.rs b/tests/codegen/enum/enum-debug-clike.rs index 59ad58784439..89c803cce5e7 100644 --- a/tests/codegen/enum/enum-debug-clike.rs +++ b/tests/codegen/enum/enum-debug-clike.rs @@ -17,7 +17,11 @@ #![allow(unused_variables)] #![allow(unused_assignments)] -enum E { A, B, C } +enum E { + A, + B, + C, +} pub fn main() { let e = E::C; diff --git a/tests/codegen/enum/enum-debug-niche.rs b/tests/codegen/enum/enum-debug-niche.rs index 90de928bced6..59e8b8a78b43 100644 --- a/tests/codegen/enum/enum-debug-niche.rs +++ b/tests/codegen/enum/enum-debug-niche.rs @@ -23,7 +23,12 @@ #![allow(unused_variables)] #![allow(unused_assignments)] -enum E { A, B, C, D(bool) } +enum E { + A, + B, + C, + D(bool), +} pub fn main() { let e = E::D(true); diff --git a/tests/codegen/enum/enum-debug-tagged.rs b/tests/codegen/enum/enum-debug-tagged.rs index f13922ee33b8..e8f147665b08 100644 --- a/tests/codegen/enum/enum-debug-tagged.rs +++ b/tests/codegen/enum/enum-debug-tagged.rs @@ -21,7 +21,10 @@ #![allow(unused_variables)] #![allow(unused_assignments)] -enum E { A(u32), B(u32) } +enum E { + A(u32), + B(u32), +} pub fn main() { let e = E::A(23); diff --git a/tests/codegen/enum/enum-match.rs b/tests/codegen/enum/enum-match.rs index ced26c0a4340..8da5de63e67d 100644 --- a/tests/codegen/enum/enum-match.rs +++ b/tests/codegen/enum/enum-match.rs @@ -50,6 +50,7 @@ pub fn match1(e: Enum1) -> u8 { } // Case 2: Special cases don't apply. +#[rustfmt::skip] pub enum X { _2=2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, diff --git a/tests/codegen/enum/unreachable_enum_default_branch.rs b/tests/codegen/enum/unreachable_enum_default_branch.rs index dae01cfb055e..81a258f27220 100644 --- a/tests/codegen/enum/unreachable_enum_default_branch.rs +++ b/tests/codegen/enum/unreachable_enum_default_branch.rs @@ -22,8 +22,7 @@ const C: Int = Int(153); // CHECK-NEXT: ret i1 [[SPEC_SELECT]] #[no_mangle] pub fn implicit_match(x: Int) -> bool { - (x >= A && x <= B) - || x == C + (x >= A && x <= B) || x == C } // The code is from https://github.com/rust-lang/rust/issues/110097. @@ -35,9 +34,5 @@ pub fn implicit_match(x: Int) -> bool { // CHECK-NEXT: ret #[no_mangle] pub fn if_let(val: Result) -> Result { - if let Ok(x) = val { - Ok(x) - } else { - Err(()) - } + if let Ok(x) = val { Ok(x) } else { Err(()) } } diff --git a/tests/codegen/fatptr.rs b/tests/codegen/fatptr.rs index 0f13e66fbad0..041807202b84 100644 --- a/tests/codegen/fatptr.rs +++ b/tests/codegen/fatptr.rs @@ -7,6 +7,6 @@ pub trait T {} // CHECK-LABEL: @copy_fat_ptr #[no_mangle] pub fn copy_fat_ptr(x: &T) { -// CHECK-NOT: extractvalue + // CHECK-NOT: extractvalue let x2 = x; } diff --git a/tests/codegen/float_math.rs b/tests/codegen/float_math.rs index dcca51c2f5eb..31387ec82b92 100644 --- a/tests/codegen/float_math.rs +++ b/tests/codegen/float_math.rs @@ -3,48 +3,40 @@ #![crate_type = "lib"] #![feature(core_intrinsics)] -use std::intrinsics::{fadd_fast, fsub_fast, fmul_fast, fdiv_fast, frem_fast}; +use std::intrinsics::{fadd_fast, fdiv_fast, fmul_fast, frem_fast, fsub_fast}; // CHECK-LABEL: @add #[no_mangle] pub fn add(x: f32, y: f32) -> f32 { -// CHECK: fadd float -// CHECK-NOT: fast + // CHECK: fadd float + // CHECK-NOT: fast x + y } // CHECK-LABEL: @addition #[no_mangle] pub fn addition(x: f32, y: f32) -> f32 { -// CHECK: fadd fast float - unsafe { - fadd_fast(x, y) - } + // CHECK: fadd fast float + unsafe { fadd_fast(x, y) } } // CHECK-LABEL: @subtraction #[no_mangle] pub fn subtraction(x: f32, y: f32) -> f32 { -// CHECK: fsub fast float - unsafe { - fsub_fast(x, y) - } + // CHECK: fsub fast float + unsafe { fsub_fast(x, y) } } // CHECK-LABEL: @multiplication #[no_mangle] pub fn multiplication(x: f32, y: f32) -> f32 { -// CHECK: fmul fast float - unsafe { - fmul_fast(x, y) - } + // CHECK: fmul fast float + unsafe { fmul_fast(x, y) } } // CHECK-LABEL: @division #[no_mangle] pub fn division(x: f32, y: f32) -> f32 { -// CHECK: fdiv fast float - unsafe { - fdiv_fast(x, y) - } + // CHECK: fdiv fast float + unsafe { fdiv_fast(x, y) } } diff --git a/tests/codegen/force-frame-pointers.rs b/tests/codegen/force-frame-pointers.rs index c41824e024fd..84e0bcb39add 100644 --- a/tests/codegen/force-frame-pointers.rs +++ b/tests/codegen/force-frame-pointers.rs @@ -1,6 +1,6 @@ //@ compile-flags: -C no-prepopulate-passes -C force-frame-pointers=y -Copt-level=0 -#![crate_type="lib"] +#![crate_type = "lib"] // CHECK: attributes #{{.*}} "frame-pointer"="all" pub fn foo() {} diff --git a/tests/codegen/force-no-unwind-tables.rs b/tests/codegen/force-no-unwind-tables.rs index 0189ae7c0a68..e823bedac0f6 100644 --- a/tests/codegen/force-no-unwind-tables.rs +++ b/tests/codegen/force-no-unwind-tables.rs @@ -1,7 +1,7 @@ //@ compile-flags: -C no-prepopulate-passes -C panic=abort -C force-unwind-tables=n //@ ignore-windows -#![crate_type="lib"] +#![crate_type = "lib"] // CHECK-LABEL: define{{.*}}void @foo // CHECK-NOT: attributes #{{.*}} uwtable diff --git a/tests/codegen/force-unwind-tables.rs b/tests/codegen/force-unwind-tables.rs index 33fdf7653f49..a2ef8a104543 100644 --- a/tests/codegen/force-unwind-tables.rs +++ b/tests/codegen/force-unwind-tables.rs @@ -1,6 +1,6 @@ //@ compile-flags: -C no-prepopulate-passes -C force-unwind-tables=y -Copt-level=0 -#![crate_type="lib"] +#![crate_type = "lib"] // CHECK: attributes #{{.*}} uwtable pub fn foo() {} diff --git a/tests/codegen/frame-pointer.rs b/tests/codegen/frame-pointer.rs index 879535bcc368..da81c2e9cd9a 100644 --- a/tests/codegen/frame-pointer.rs +++ b/tests/codegen/frame-pointer.rs @@ -13,13 +13,12 @@ #![feature(no_core, lang_items)] #![no_core] -#[lang="sized"] -trait Sized { } -#[lang="copy"] -trait Copy { } +#[lang = "sized"] +trait Sized {} +#[lang = "copy"] +trait Copy {} impl Copy for u32 {} - // CHECK: define i32 @peach{{.*}}[[PEACH_ATTRS:\#[0-9]+]] { #[no_mangle] pub fn peach(x: u32) -> u32 { diff --git a/tests/codegen/function-arguments-noopt.rs b/tests/codegen/function-arguments-noopt.rs index 0d42915893bc..c80f119696df 100644 --- a/tests/codegen/function-arguments-noopt.rs +++ b/tests/codegen/function-arguments-noopt.rs @@ -7,63 +7,63 @@ #![feature(rustc_attrs)] pub struct S { - _field: [i32; 8], + _field: [i32; 8], } // CHECK: zeroext i1 @boolean(i1 zeroext %x) #[no_mangle] pub fn boolean(x: bool) -> bool { - x + x } // CHECK-LABEL: @boolean_call #[no_mangle] pub fn boolean_call(x: bool, f: fn(bool) -> bool) -> bool { -// CHECK: call zeroext i1 %f(i1 zeroext %x) - f(x) + // CHECK: call zeroext i1 %f(i1 zeroext %x) + f(x) } // CHECK: align 4 ptr @borrow(ptr align 4 %x) #[no_mangle] pub fn borrow(x: &i32) -> &i32 { - x + x } // CHECK: align 4 ptr @borrow_mut(ptr align 4 %x) #[no_mangle] pub fn borrow_mut(x: &mut i32) -> &mut i32 { - x + x } // CHECK-LABEL: @borrow_call #[no_mangle] pub fn borrow_call(x: &i32, f: fn(&i32) -> &i32) -> &i32 { - // CHECK: call align 4 ptr %f(ptr align 4 %x) - f(x) + // CHECK: call align 4 ptr %f(ptr align 4 %x) + f(x) } // CHECK: void @struct_(ptr sret([32 x i8]) align 4{{( %_0)?}}, ptr align 4 %x) #[no_mangle] pub fn struct_(x: S) -> S { - x + x } // CHECK-LABEL: @struct_call #[no_mangle] pub fn struct_call(x: S, f: fn(S) -> S) -> S { - // CHECK: call void %f(ptr sret([32 x i8]) align 4{{( %_0)?}}, ptr align 4 %{{.+}}) - f(x) + // CHECK: call void %f(ptr sret([32 x i8]) align 4{{( %_0)?}}, ptr align 4 %{{.+}}) + f(x) } // CHECK: { i1, i8 } @enum_(i1 zeroext %x.0, i8 %x.1) #[no_mangle] pub fn enum_(x: Option) -> Option { - x + x } // CHECK-LABEL: @enum_call #[no_mangle] pub fn enum_call(x: Option, f: fn(Option) -> Option) -> Option { - // CHECK: call { i1, i8 } %f(i1 zeroext %x.0, i8 %x.1) - f(x) + // CHECK: call { i1, i8 } %f(i1 zeroext %x.0, i8 %x.1) + f(x) } diff --git a/tests/codegen/function-arguments.rs b/tests/codegen/function-arguments.rs index ebcbcae8563c..56504df40347 100644 --- a/tests/codegen/function-arguments.rs +++ b/tests/codegen/function-arguments.rs @@ -3,129 +3,123 @@ #![feature(dyn_star)] #![feature(allocator_api)] +use std::marker::PhantomPinned; use std::mem::MaybeUninit; use std::num::NonZero; -use std::marker::PhantomPinned; use std::ptr::NonNull; pub struct S { - _field: [i32; 8], + _field: [i32; 8], } pub struct UnsafeInner { - _field: std::cell::UnsafeCell, + _field: std::cell::UnsafeCell, } pub struct NotUnpin { - _field: i32, - _marker: PhantomPinned, + _field: i32, + _marker: PhantomPinned, } pub enum MyBool { - True, - False, + True, + False, } // CHECK: noundef zeroext i1 @boolean(i1 noundef zeroext %x) #[no_mangle] pub fn boolean(x: bool) -> bool { - x + x } // CHECK: i8 @maybeuninit_boolean(i8 %x) #[no_mangle] pub fn maybeuninit_boolean(x: MaybeUninit) -> MaybeUninit { - x + x } // CHECK: noundef zeroext i1 @enum_bool(i1 noundef zeroext %x) #[no_mangle] pub fn enum_bool(x: MyBool) -> MyBool { - x + x } // CHECK: i8 @maybeuninit_enum_bool(i8 %x) #[no_mangle] pub fn maybeuninit_enum_bool(x: MaybeUninit) -> MaybeUninit { - x + x } // CHECK: noundef i32 @char(i32 noundef %x) #[no_mangle] pub fn char(x: char) -> char { - x + x } // CHECK: i32 @maybeuninit_char(i32 %x) #[no_mangle] pub fn maybeuninit_char(x: MaybeUninit) -> MaybeUninit { - x + x } // CHECK: noundef i64 @int(i64 noundef %x) #[no_mangle] pub fn int(x: u64) -> u64 { - x + x } // CHECK: noundef i64 @nonzero_int(i64 noundef %x) #[no_mangle] pub fn nonzero_int(x: NonZero) -> NonZero { - x + x } // CHECK: noundef i64 @option_nonzero_int(i64 noundef %x) #[no_mangle] pub fn option_nonzero_int(x: Option>) -> Option> { - x + x } // CHECK: @readonly_borrow(ptr noalias noundef readonly align 4 dereferenceable(4) %_1) // FIXME #25759 This should also have `nocapture` #[no_mangle] -pub fn readonly_borrow(_: &i32) { -} +pub fn readonly_borrow(_: &i32) {} // CHECK: noundef align 4 dereferenceable(4) ptr @readonly_borrow_ret() #[no_mangle] pub fn readonly_borrow_ret() -> &'static i32 { - loop {} + loop {} } // CHECK: @static_borrow(ptr noalias noundef readonly align 4 dereferenceable(4) %_1) // static borrow may be captured #[no_mangle] -pub fn static_borrow(_: &'static i32) { -} +pub fn static_borrow(_: &'static i32) {} // CHECK: @named_borrow(ptr noalias noundef readonly align 4 dereferenceable(4) %_1) // borrow with named lifetime may be captured #[no_mangle] -pub fn named_borrow<'r>(_: &'r i32) { -} +pub fn named_borrow<'r>(_: &'r i32) {} // CHECK: @unsafe_borrow(ptr noundef nonnull align 2 %_1) // unsafe interior means this isn't actually readonly and there may be aliases ... #[no_mangle] -pub fn unsafe_borrow(_: &UnsafeInner) { -} +pub fn unsafe_borrow(_: &UnsafeInner) {} // CHECK: @mutable_unsafe_borrow(ptr noalias noundef align 2 dereferenceable(2) %_1) // ... unless this is a mutable borrow, those never alias #[no_mangle] -pub fn mutable_unsafe_borrow(_: &mut UnsafeInner) { -} +pub fn mutable_unsafe_borrow(_: &mut UnsafeInner) {} // CHECK: @mutable_borrow(ptr noalias noundef align 4 dereferenceable(4) %_1) // FIXME #25759 This should also have `nocapture` #[no_mangle] -pub fn mutable_borrow(_: &mut i32) { -} +pub fn mutable_borrow(_: &mut i32) {} // CHECK: noundef align 4 dereferenceable(4) ptr @mutable_borrow_ret() #[no_mangle] pub fn mutable_borrow_ret() -> &'static mut i32 { - loop {} + loop {} } #[no_mangle] @@ -133,53 +127,44 @@ pub fn mutable_borrow_ret() -> &'static mut i32 { // This one is *not* `noalias` because it might be self-referential. // It is also not `dereferenceable` due to // . -pub fn mutable_notunpin_borrow(_: &mut NotUnpin) { -} +pub fn mutable_notunpin_borrow(_: &mut NotUnpin) {} // CHECK: @notunpin_borrow(ptr noalias noundef readonly align 4 dereferenceable(4) %_1) // But `&NotUnpin` behaves perfectly normal. #[no_mangle] -pub fn notunpin_borrow(_: &NotUnpin) { -} +pub fn notunpin_borrow(_: &NotUnpin) {} // CHECK: @indirect_struct(ptr noalias nocapture noundef readonly align 4 dereferenceable(32) %_1) #[no_mangle] -pub fn indirect_struct(_: S) { -} +pub fn indirect_struct(_: S) {} // CHECK: @borrowed_struct(ptr noalias noundef readonly align 4 dereferenceable(32) %_1) // FIXME #25759 This should also have `nocapture` #[no_mangle] -pub fn borrowed_struct(_: &S) { -} +pub fn borrowed_struct(_: &S) {} // CHECK: @option_borrow(ptr noalias noundef readonly align 4 dereferenceable_or_null(4) %x) #[no_mangle] -pub fn option_borrow(x: Option<&i32>) { -} +pub fn option_borrow(x: Option<&i32>) {} // CHECK: @option_borrow_mut(ptr noalias noundef align 4 dereferenceable_or_null(4) %x) #[no_mangle] -pub fn option_borrow_mut(x: Option<&mut i32>) { -} +pub fn option_borrow_mut(x: Option<&mut i32>) {} // CHECK: @raw_struct(ptr noundef %_1) #[no_mangle] -pub fn raw_struct(_: *const S) { -} +pub fn raw_struct(_: *const S) {} // CHECK: @raw_option_nonnull_struct(ptr noundef %_1) #[no_mangle] -pub fn raw_option_nonnull_struct(_: Option>) { -} - +pub fn raw_option_nonnull_struct(_: Option>) {} // `Box` can get deallocated during execution of the function, so it should // not get `dereferenceable`. // CHECK: noundef nonnull align 4 ptr @_box(ptr noalias noundef nonnull align 4 %x) #[no_mangle] pub fn _box(x: Box) -> Box { - x + x } // With a custom allocator, it should *not* have `noalias`. (See @@ -188,106 +173,93 @@ pub fn _box(x: Box) -> Box { // CHECK: @_box_custom(ptr noundef nonnull align 4 %x.0, ptr noalias noundef nonnull readonly align 1 %x.1) #[no_mangle] pub fn _box_custom(x: Box) { - drop(x) + drop(x) } // CHECK: noundef nonnull align 4 ptr @notunpin_box(ptr noundef nonnull align 4 %x) #[no_mangle] pub fn notunpin_box(x: Box) -> Box { - x + x } // CHECK: @struct_return(ptr{{( dead_on_unwind)?}} noalias nocapture noundef{{( writable)?}} sret([32 x i8]) align 4 dereferenceable(32){{( %_0)?}}) #[no_mangle] pub fn struct_return() -> S { - S { - _field: [0, 0, 0, 0, 0, 0, 0, 0] - } + S { _field: [0, 0, 0, 0, 0, 0, 0, 0] } } // Hack to get the correct size for the length part in slices // CHECK: @helper([[USIZE:i[0-9]+]] noundef %_1) #[no_mangle] -pub fn helper(_: usize) { -} +pub fn helper(_: usize) {} // CHECK: @slice(ptr noalias noundef nonnull readonly align 1 %_1.0, [[USIZE]] noundef %_1.1) // FIXME #25759 This should also have `nocapture` #[no_mangle] -pub fn slice(_: &[u8]) { -} +pub fn slice(_: &[u8]) {} // CHECK: @mutable_slice(ptr noalias noundef nonnull align 1 %_1.0, [[USIZE]] noundef %_1.1) // FIXME #25759 This should also have `nocapture` #[no_mangle] -pub fn mutable_slice(_: &mut [u8]) { -} +pub fn mutable_slice(_: &mut [u8]) {} // CHECK: @unsafe_slice(ptr noundef nonnull align 2 %_1.0, [[USIZE]] noundef %_1.1) // unsafe interior means this isn't actually readonly and there may be aliases ... #[no_mangle] -pub fn unsafe_slice(_: &[UnsafeInner]) { -} +pub fn unsafe_slice(_: &[UnsafeInner]) {} // CHECK: @raw_slice(ptr noundef %_1.0, [[USIZE]] noundef %_1.1) #[no_mangle] -pub fn raw_slice(_: *const [u8]) { -} +pub fn raw_slice(_: *const [u8]) {} // CHECK: @str(ptr noalias noundef nonnull readonly align 1 %_1.0, [[USIZE]] noundef %_1.1) // FIXME #25759 This should also have `nocapture` #[no_mangle] -pub fn str(_: &[u8]) { -} +pub fn str(_: &[u8]) {} // CHECK: @trait_borrow(ptr noundef nonnull align 1 %_1.0, {{.+}} noalias noundef readonly align {{.*}} dereferenceable({{.*}}) %_1.1) // FIXME #25759 This should also have `nocapture` #[no_mangle] -pub fn trait_borrow(_: &dyn Drop) { -} +pub fn trait_borrow(_: &dyn Drop) {} // CHECK: @option_trait_borrow(ptr noundef align 1 %x.0, ptr %x.1) #[no_mangle] -pub fn option_trait_borrow(x: Option<&dyn Drop>) { -} +pub fn option_trait_borrow(x: Option<&dyn Drop>) {} // CHECK: @option_trait_borrow_mut(ptr noundef align 1 %x.0, ptr %x.1) #[no_mangle] -pub fn option_trait_borrow_mut(x: Option<&mut dyn Drop>) { -} +pub fn option_trait_borrow_mut(x: Option<&mut dyn Drop>) {} // CHECK: @trait_raw(ptr noundef %_1.0, {{.+}} noalias noundef readonly align {{.*}} dereferenceable({{.*}}) %_1.1) #[no_mangle] -pub fn trait_raw(_: *const dyn Drop) { -} +pub fn trait_raw(_: *const dyn Drop) {} // CHECK: @trait_box(ptr noalias noundef nonnull align 1{{( %0)?}}, {{.+}} noalias noundef readonly align {{.*}} dereferenceable({{.*}}){{( %1)?}}) #[no_mangle] -pub fn trait_box(_: Box) { -} +pub fn trait_box(_: Box) {} // CHECK: { ptr, ptr } @trait_option(ptr noalias noundef align 1 %x.0, ptr %x.1) #[no_mangle] pub fn trait_option(x: Option>) -> Option> { - x + x } // CHECK: { ptr, [[USIZE]] } @return_slice(ptr noalias noundef nonnull readonly align 2 %x.0, [[USIZE]] noundef %x.1) #[no_mangle] pub fn return_slice(x: &[u16]) -> &[u16] { - x + x } // CHECK: { i16, i16 } @enum_id_1(i16 noundef %x.0, i16 %x.1) #[no_mangle] pub fn enum_id_1(x: Option>) -> Option> { - x + x } // CHECK: { i1, i8 } @enum_id_2(i1 noundef zeroext %x.0, i8 %x.1) #[no_mangle] pub fn enum_id_2(x: Option) -> Option { - x + x } // CHECK: { ptr, {{.+}} } @dyn_star(ptr noundef %x.0, {{.+}} noalias noundef readonly align {{.*}} dereferenceable({{.*}}) %x.1) @@ -295,5 +267,5 @@ pub fn enum_id_2(x: Option) -> Option { // so do like the `trait_box` test and just match on `{{.+}}` for the vtable. #[no_mangle] pub fn dyn_star(x: dyn* Drop) -> dyn* Drop { - x + x } diff --git a/tests/codegen/generic-debug.rs b/tests/codegen/generic-debug.rs index 0f289026396f..3423abe7187b 100644 --- a/tests/codegen/generic-debug.rs +++ b/tests/codegen/generic-debug.rs @@ -13,6 +13,6 @@ pub struct Generic(Type); -fn main () { +fn main() { let generic = Generic(10); } diff --git a/tests/codegen/inline-always-works-always.rs b/tests/codegen/inline-always-works-always.rs index e9ca05d17569..07200fd9e373 100644 --- a/tests/codegen/inline-always-works-always.rs +++ b/tests/codegen/inline-always-works-always.rs @@ -3,7 +3,7 @@ //@[SIZE-OPT] compile-flags: -Copt-level=s //@[SPEED-OPT] compile-flags: -Copt-level=3 -#![crate_type="rlib"] +#![crate_type = "rlib"] #[no_mangle] #[inline(always)] diff --git a/tests/codegen/inline-debuginfo.rs b/tests/codegen/inline-debuginfo.rs index f327180560de..1e1c9037f5c9 100644 --- a/tests/codegen/inline-debuginfo.rs +++ b/tests/codegen/inline-debuginfo.rs @@ -1,4 +1,4 @@ -#![crate_type="rlib"] +#![crate_type = "rlib"] //@ compile-flags: -Copt-level=3 -g // diff --git a/tests/codegen/instrument-coverage/instrument-coverage.rs b/tests/codegen/instrument-coverage/instrument-coverage.rs index d638a544d5a5..65fa437d2506 100644 --- a/tests/codegen/instrument-coverage/instrument-coverage.rs +++ b/tests/codegen/instrument-coverage/instrument-coverage.rs @@ -12,12 +12,10 @@ // CHECK: @__llvm_profile_filename = {{.*}}"default_%m_%p.profraw\00"{{.*}} // CHECK: @__llvm_coverage_mapping -#![crate_type="lib"] +#![crate_type = "lib"] #[inline(never)] -fn some_function() { - -} +fn some_function() {} pub fn some_other_function() { some_function(); diff --git a/tests/codegen/integer-cmp.rs b/tests/codegen/integer-cmp.rs index 46972878da50..bba112b246f3 100644 --- a/tests/codegen/integer-cmp.rs +++ b/tests/codegen/integer-cmp.rs @@ -10,19 +10,19 @@ use std::cmp::Ordering; // CHECK-LABEL: @cmp_signed #[no_mangle] pub fn cmp_signed(a: i64, b: i64) -> Ordering { -// CHECK: icmp slt -// CHECK: icmp ne -// CHECK: zext i1 -// CHECK: select i1 + // CHECK: icmp slt + // CHECK: icmp ne + // CHECK: zext i1 + // CHECK: select i1 a.cmp(&b) } // CHECK-LABEL: @cmp_unsigned #[no_mangle] pub fn cmp_unsigned(a: u32, b: u32) -> Ordering { -// CHECK: icmp ult -// CHECK: icmp ne -// CHECK: zext i1 -// CHECK: select i1 + // CHECK: icmp ult + // CHECK: icmp ne + // CHECK: zext i1 + // CHECK: select i1 a.cmp(&b) } diff --git a/tests/codegen/integer-overflow.rs b/tests/codegen/integer-overflow.rs index 00780251bbc1..a6407476fc20 100644 --- a/tests/codegen/integer-overflow.rs +++ b/tests/codegen/integer-overflow.rs @@ -2,7 +2,6 @@ #![crate_type = "lib"] - pub struct S1<'a> { data: &'a [u8], position: usize, @@ -12,7 +11,7 @@ pub struct S1<'a> { #[no_mangle] pub fn slice_no_index_order<'a>(s: &'a mut S1, n: usize) -> &'a [u8] { // CHECK-NOT: slice_index_order_fail - let d = &s.data[s.position..s.position+n]; + let d = &s.data[s.position..s.position + n]; s.position += n; return d; } diff --git a/tests/codegen/internalize-closures.rs b/tests/codegen/internalize-closures.rs index d37aa5fee8da..f226ea6faac8 100644 --- a/tests/codegen/internalize-closures.rs +++ b/tests/codegen/internalize-closures.rs @@ -1,7 +1,6 @@ //@ compile-flags: -C no-prepopulate-passes -Zmir-opt-level=0 pub fn main() { - // We want to make sure that closures get 'internal' linkage instead of // 'weak_odr' when they are not shared between codegen units // FIXME(eddyb) `legacy` mangling uses `{{closure}}`, while `v0` @@ -9,6 +8,6 @@ pub fn main() { // CHECK-LABEL: ; internalize_closures::main::{{.*}}closure // CHECK-NEXT: ; Function Attrs: // CHECK-NEXT: define internal - let c = |x:i32| { x + 1 }; + let c = |x: i32| x + 1; let _ = c(1); } diff --git a/tests/codegen/intrinsic-no-unnamed-attr.rs b/tests/codegen/intrinsic-no-unnamed-attr.rs index 45d06c70a6d7..fce0de80d7b6 100644 --- a/tests/codegen/intrinsic-no-unnamed-attr.rs +++ b/tests/codegen/intrinsic-no-unnamed-attr.rs @@ -8,5 +8,7 @@ extern "rust-intrinsic" { // CHECK: @llvm.sqrt.f32(float) #{{[0-9]*}} fn main() { - unsafe { sqrtf32(0.0f32); } + unsafe { + sqrtf32(0.0f32); + } } diff --git a/tests/codegen/intrinsics/const_eval_select.rs b/tests/codegen/intrinsics/const_eval_select.rs index c8debe8d7113..baa985b00cd0 100644 --- a/tests/codegen/intrinsics/const_eval_select.rs +++ b/tests/codegen/intrinsics/const_eval_select.rs @@ -6,10 +6,14 @@ use std::intrinsics::const_eval_select; -const fn foo(_: i32) -> i32 { 1 } +const fn foo(_: i32) -> i32 { + 1 +} #[no_mangle] -pub fn hi(n: i32) -> i32 { n } +pub fn hi(n: i32) -> i32 { + n +} #[no_mangle] pub unsafe fn hey() { diff --git a/tests/codegen/intrinsics/likely.rs b/tests/codegen/intrinsics/likely.rs index c5904085fc08..098fd9936ce1 100644 --- a/tests/codegen/intrinsics/likely.rs +++ b/tests/codegen/intrinsics/likely.rs @@ -3,17 +3,13 @@ #![crate_type = "lib"] #![feature(core_intrinsics)] -use std::intrinsics::{likely,unlikely}; +use std::intrinsics::{likely, unlikely}; #[no_mangle] pub fn check_likely(x: i32, y: i32) -> Option { unsafe { // CHECK: call i1 @llvm.expect.i1(i1 %{{.*}}, i1 true) - if likely(x == y) { - None - } else { - Some(x + y) - } + if likely(x == y) { None } else { Some(x + y) } } } @@ -21,10 +17,6 @@ pub fn check_likely(x: i32, y: i32) -> Option { pub fn check_unlikely(x: i32, y: i32) -> Option { unsafe { // CHECK: call i1 @llvm.expect.i1(i1 %{{.*}}, i1 false) - if unlikely(x == y) { - None - } else { - Some(x + y) - } + if unlikely(x == y) { None } else { Some(x + y) } } } diff --git a/tests/codegen/intrinsics/prefetch.rs b/tests/codegen/intrinsics/prefetch.rs index edd8c20b38f1..3f9f21c85cbf 100644 --- a/tests/codegen/intrinsics/prefetch.rs +++ b/tests/codegen/intrinsics/prefetch.rs @@ -3,8 +3,9 @@ #![crate_type = "lib"] #![feature(core_intrinsics)] -use std::intrinsics::{prefetch_read_data, prefetch_write_data, - prefetch_read_instruction, prefetch_write_instruction}; +use std::intrinsics::{ + prefetch_read_data, prefetch_read_instruction, prefetch_write_data, prefetch_write_instruction, +}; #[no_mangle] pub fn check_prefetch_read_data(data: &[i8]) { diff --git a/tests/codegen/is_val_statically_known.rs b/tests/codegen/is_val_statically_known.rs index 255d8950a974..6af4f353a481 100644 --- a/tests/codegen/is_val_statically_known.rs +++ b/tests/codegen/is_val_statically_known.rs @@ -75,7 +75,7 @@ pub fn _slice_ref(a: &[u8]) -> i32 { #[no_mangle] pub fn _slice_ref_borrow() -> i32 { // CHECK: ret i32 6 - _slice_ref(&[0;3]) + _slice_ref(&[0; 3]) } // CHECK-LABEL: @_slice_ref_arg( diff --git a/tests/codegen/issue-97217.rs b/tests/codegen/issue-97217.rs index a0dfff2ef2eb..ecf1fa1ddb3e 100644 --- a/tests/codegen/issue-97217.rs +++ b/tests/codegen/issue-97217.rs @@ -16,6 +16,6 @@ pub fn issue97217() -> i32 { let v1 = vec![5, 6, 7]; let v1_iter = v1.iter(); let total: i32 = v1_iter.sum(); - println!("{}",total); + println!("{}", total); total } diff --git a/tests/codegen/issues/issue-103327.rs b/tests/codegen/issues/issue-103327.rs index 398b1f376b78..f8cf273e4a6c 100644 --- a/tests/codegen/issues/issue-103327.rs +++ b/tests/codegen/issues/issue-103327.rs @@ -9,9 +9,5 @@ pub fn test(a: i32, b: i32) -> bool { let c1 = (a >= 0) && (a <= 10); let c2 = (b >= 0) && (b <= 20); - if c1 & c2 { - a + 100 != b - } else { - true - } + if c1 & c2 { a + 100 != b } else { true } } diff --git a/tests/codegen/issues/issue-105386-ub-in-debuginfo.rs b/tests/codegen/issues/issue-105386-ub-in-debuginfo.rs index 56b4330b1a6c..db9eeda19a6c 100644 --- a/tests/codegen/issues/issue-105386-ub-in-debuginfo.rs +++ b/tests/codegen/issues/issue-105386-ub-in-debuginfo.rs @@ -6,7 +6,8 @@ pub struct S([usize; 8]); #[no_mangle] pub fn outer_function(x: S, y: S) -> usize { - (#[inline(always)]|| { + (#[inline(always)] + || { let _z = x; y.0[0] })() diff --git a/tests/codegen/issues/issue-119422.rs b/tests/codegen/issues/issue-119422.rs index aa56bfe79acb..682430a79f4a 100644 --- a/tests/codegen/issues/issue-119422.rs +++ b/tests/codegen/issues/issue-119422.rs @@ -5,8 +5,8 @@ //@ only-64bit (because the LLVM type of i64 for usize shows up) #![crate_type = "lib"] -use core::ptr::NonNull; use core::num::NonZero; +use core::ptr::NonNull; // CHECK-LABEL: @check_non_null #[no_mangle] @@ -73,7 +73,7 @@ pub fn isize_try_from_i32(x: NonZero) -> NonZero { // CHECK-LABEL: @u64_from_nonzero_is_not_zero #[no_mangle] -pub fn u64_from_nonzero_is_not_zero(x: NonZero)->bool { +pub fn u64_from_nonzero_is_not_zero(x: NonZero) -> bool { // CHECK-NOT: br // CHECK: ret i1 false // CHECK-NOT: br diff --git a/tests/codegen/issues/issue-13018.rs b/tests/codegen/issues/issue-13018.rs index d0a8ce159118..66282dc42749 100644 --- a/tests/codegen/issues/issue-13018.rs +++ b/tests/codegen/issues/issue-13018.rs @@ -6,6 +6,6 @@ use std::rc::Rc; pub fn foo(t: &Rc>) { -// CHECK-NOT: __rust_dealloc + // CHECK-NOT: __rust_dealloc drop(t.clone()); } diff --git a/tests/codegen/issues/issue-32364.rs b/tests/codegen/issues/issue-32364.rs index 50006e3f2181..016981d1947a 100644 --- a/tests/codegen/issues/issue-32364.rs +++ b/tests/codegen/issues/issue-32364.rs @@ -7,10 +7,9 @@ struct Foo; impl Foo { -// CHECK: define internal x86_stdcallcc void @{{.*}}foo{{.*}}() + // CHECK: define internal x86_stdcallcc void @{{.*}}foo{{.*}}() #[inline(never)] - pub extern "stdcall" fn foo() { - } + pub extern "stdcall" fn foo() {} } fn main() { diff --git a/tests/codegen/issues/issue-37945.rs b/tests/codegen/issues/issue-37945.rs index 756a75e2f0ed..01d1c694ec7c 100644 --- a/tests/codegen/issues/issue-37945.rs +++ b/tests/codegen/issues/issue-37945.rs @@ -9,26 +9,26 @@ use std::slice::Iter; #[no_mangle] pub fn is_empty_1(xs: Iter) -> bool { -// CHECK-LABEL: @is_empty_1( -// CHECK-NEXT: start: -// CHECK-NEXT: [[A:%.*]] = icmp ne ptr {{%xs.0|%xs.1}}, null -// CHECK-NEXT: tail call void @llvm.assume(i1 [[A]]) -// The order between %xs.0 and %xs.1 on the next line doesn't matter -// and different LLVM versions produce different order. -// CHECK-NEXT: [[B:%.*]] = icmp eq ptr {{%xs.0, %xs.1|%xs.1, %xs.0}} -// CHECK-NEXT: ret i1 [[B:%.*]] - {xs}.next().is_none() + // CHECK-LABEL: @is_empty_1( + // CHECK-NEXT: start: + // CHECK-NEXT: [[A:%.*]] = icmp ne ptr {{%xs.0|%xs.1}}, null + // CHECK-NEXT: tail call void @llvm.assume(i1 [[A]]) + // The order between %xs.0 and %xs.1 on the next line doesn't matter + // and different LLVM versions produce different order. + // CHECK-NEXT: [[B:%.*]] = icmp eq ptr {{%xs.0, %xs.1|%xs.1, %xs.0}} + // CHECK-NEXT: ret i1 [[B:%.*]] + { xs }.next().is_none() } #[no_mangle] pub fn is_empty_2(xs: Iter) -> bool { -// CHECK-LABEL: @is_empty_2 -// CHECK-NEXT: start: -// CHECK-NEXT: [[C:%.*]] = icmp ne ptr {{%xs.0|%xs.1}}, null -// CHECK-NEXT: tail call void @llvm.assume(i1 [[C]]) -// The order between %xs.0 and %xs.1 on the next line doesn't matter -// and different LLVM versions produce different order. -// CHECK-NEXT: [[D:%.*]] = icmp eq ptr {{%xs.0, %xs.1|%xs.1, %xs.0}} -// CHECK-NEXT: ret i1 [[D:%.*]] + // CHECK-LABEL: @is_empty_2 + // CHECK-NEXT: start: + // CHECK-NEXT: [[C:%.*]] = icmp ne ptr {{%xs.0|%xs.1}}, null + // CHECK-NEXT: tail call void @llvm.assume(i1 [[C]]) + // The order between %xs.0 and %xs.1 on the next line doesn't matter + // and different LLVM versions produce different order. + // CHECK-NEXT: [[D:%.*]] = icmp eq ptr {{%xs.0, %xs.1|%xs.1, %xs.0}} + // CHECK-NEXT: ret i1 [[D:%.*]] xs.map(|&x| x).next().is_none() } diff --git a/tests/codegen/issues/issue-45466.rs b/tests/codegen/issues/issue-45466.rs index fc714247dfb6..8a324fa555bb 100644 --- a/tests/codegen/issues/issue-45466.rs +++ b/tests/codegen/issues/issue-45466.rs @@ -1,6 +1,6 @@ //@ compile-flags: -O -#![crate_type="rlib"] +#![crate_type = "rlib"] // CHECK-LABEL: @memzero // CHECK-NOT: store diff --git a/tests/codegen/issues/issue-45964-bounds-check-slice-pos.rs b/tests/codegen/issues/issue-45964-bounds-check-slice-pos.rs index b7568bea4d0a..ea9288564e9d 100644 --- a/tests/codegen/issues/issue-45964-bounds-check-slice-pos.rs +++ b/tests/codegen/issues/issue-45964-bounds-check-slice-pos.rs @@ -3,7 +3,7 @@ //@ compile-flags: -O -#![crate_type="rlib"] +#![crate_type = "rlib"] // CHECK-LABEL: @test #[no_mangle] diff --git a/tests/codegen/issues/issue-47278.rs b/tests/codegen/issues/issue-47278.rs index 9076274f45e9..4f0a5bdf36f4 100644 --- a/tests/codegen/issues/issue-47278.rs +++ b/tests/codegen/issues/issue-47278.rs @@ -1,9 +1,11 @@ // -C no-prepopulate-passes -#![crate_type="staticlib"] +#![crate_type = "staticlib"] #[repr(C)] pub struct Foo(u64); // CHECK: define {{.*}} @foo( #[no_mangle] -pub extern "C" fn foo(_: Foo) -> Foo { loop {} } +pub extern "C" fn foo(_: Foo) -> Foo { + loop {} +} diff --git a/tests/codegen/issues/issue-47442.rs b/tests/codegen/issues/issue-47442.rs index 6944336d3356..445234e55add 100644 --- a/tests/codegen/issues/issue-47442.rs +++ b/tests/codegen/issues/issue-47442.rs @@ -4,7 +4,7 @@ // CHECK-NOT: Unwind #![feature(test)] -#![crate_type="rlib"] +#![crate_type = "rlib"] extern crate test; diff --git a/tests/codegen/issues/issue-56267-2.rs b/tests/codegen/issues/issue-56267-2.rs index ced0d2d63bb5..98e3732777e3 100644 --- a/tests/codegen/issues/issue-56267-2.rs +++ b/tests/codegen/issues/issue-56267-2.rs @@ -1,6 +1,6 @@ //@ compile-flags: -C no-prepopulate-passes -#![crate_type="rlib"] +#![crate_type = "rlib"] #[allow(dead_code)] pub struct Foo { diff --git a/tests/codegen/issues/issue-56267.rs b/tests/codegen/issues/issue-56267.rs index fc3754f2d990..cabcc298482d 100644 --- a/tests/codegen/issues/issue-56267.rs +++ b/tests/codegen/issues/issue-56267.rs @@ -1,6 +1,6 @@ //@ compile-flags: -C no-prepopulate-passes -#![crate_type="rlib"] +#![crate_type = "rlib"] #[allow(dead_code)] pub struct Foo { diff --git a/tests/codegen/issues/issue-56927.rs b/tests/codegen/issues/issue-56927.rs index e4a0a1791418..a40718689b3e 100644 --- a/tests/codegen/issues/issue-56927.rs +++ b/tests/codegen/issues/issue-56927.rs @@ -1,6 +1,6 @@ //@ compile-flags: -C no-prepopulate-passes -#![crate_type="rlib"] +#![crate_type = "rlib"] #[repr(align(16))] pub struct S { diff --git a/tests/codegen/issues/issue-73031.rs b/tests/codegen/issues/issue-73031.rs index 61a269999e90..db9c6d6db233 100644 --- a/tests/codegen/issues/issue-73031.rs +++ b/tests/codegen/issues/issue-73031.rs @@ -12,11 +12,7 @@ pub enum All { // CHECK-LABEL: @issue_73031 #[no_mangle] pub fn issue_73031(a: &mut All, q: i32) -> i32 { - *a = if q == 5 { - All::Foo - } else { - All::Bar - }; + *a = if q == 5 { All::Foo } else { All::Bar }; match *a { // CHECK-NOT: panic All::None => panic!(), diff --git a/tests/codegen/issues/issue-73258.rs b/tests/codegen/issues/issue-73258.rs index 48f14fe2dfe3..e5c622b5656b 100644 --- a/tests/codegen/issues/issue-73258.rs +++ b/tests/codegen/issues/issue-73258.rs @@ -7,7 +7,10 @@ #[derive(Clone, Copy)] #[repr(u8)] pub enum Foo { - A, B, C, D, + A, + B, + C, + D, } // CHECK-LABEL: @issue_73258( diff --git a/tests/codegen/issues/issue-73338-effecient-cmp.rs b/tests/codegen/issues/issue-73338-effecient-cmp.rs index a64eb56f9030..71641a5457b1 100644 --- a/tests/codegen/issues/issue-73338-effecient-cmp.rs +++ b/tests/codegen/issues/issue-73338-effecient-cmp.rs @@ -4,7 +4,7 @@ //@ compile-flags: -Copt-level=3 -#![crate_type="lib"] +#![crate_type = "lib"] #[repr(u32)] #[derive(Copy, Clone, Eq, PartialEq, PartialOrd)] @@ -15,25 +15,25 @@ pub enum Foo { } #[no_mangle] -pub fn compare_less(a: Foo, b: Foo)->bool{ +pub fn compare_less(a: Foo, b: Foo) -> bool { // CHECK-NOT: br {{.*}} a < b } #[no_mangle] -pub fn compare_le(a: Foo, b: Foo)->bool{ +pub fn compare_le(a: Foo, b: Foo) -> bool { // CHECK-NOT: br {{.*}} a <= b } #[no_mangle] -pub fn compare_ge(a: Foo, b: Foo)->bool{ +pub fn compare_ge(a: Foo, b: Foo) -> bool { // CHECK-NOT: br {{.*}} a >= b } #[no_mangle] -pub fn compare_greater(a: Foo, b: Foo)->bool{ +pub fn compare_greater(a: Foo, b: Foo) -> bool { // CHECK-NOT: br {{.*}} a > b } diff --git a/tests/codegen/issues/issue-73396-bounds-check-after-position.rs b/tests/codegen/issues/issue-73396-bounds-check-after-position.rs index ef4538ac84e1..9b3b1318ced1 100644 --- a/tests/codegen/issues/issue-73396-bounds-check-after-position.rs +++ b/tests/codegen/issues/issue-73396-bounds-check-after-position.rs @@ -12,11 +12,7 @@ pub fn position_slice_to_no_bounds_check(s: &[u8]) -> &[u8] { // CHECK-NOT: slice_end_index_len_fail // CHECK-NOT: panic_bounds_check // CHECK-NOT: unreachable - if let Some(idx) = s.iter().position(|b| *b == b'\\') { - &s[..idx] - } else { - s - } + if let Some(idx) = s.iter().position(|b| *b == b'\\') { &s[..idx] } else { s } } // CHECK-LABEL: @position_slice_from_no_bounds_check @@ -27,11 +23,7 @@ pub fn position_slice_from_no_bounds_check(s: &[u8]) -> &[u8] { // CHECK-NOT: slice_end_index_len_fail // CHECK-NOT: panic_bounds_check // CHECK-NOT: unreachable - if let Some(idx) = s.iter().position(|b| *b == b'\\') { - &s[idx..] - } else { - s - } + if let Some(idx) = s.iter().position(|b| *b == b'\\') { &s[idx..] } else { s } } // CHECK-LABEL: @position_index_no_bounds_check @@ -42,11 +34,7 @@ pub fn position_index_no_bounds_check(s: &[u8]) -> u8 { // CHECK-NOT: slice_end_index_len_fail // CHECK-NOT: panic_bounds_check // CHECK-NOT: unreachable - if let Some(idx) = s.iter().position(|b| *b == b'\\') { - s[idx] - } else { - 42 - } + if let Some(idx) = s.iter().position(|b| *b == b'\\') { s[idx] } else { 42 } } // CHECK-LABEL: @rposition_slice_to_no_bounds_check #[no_mangle] @@ -56,11 +44,7 @@ pub fn rposition_slice_to_no_bounds_check(s: &[u8]) -> &[u8] { // CHECK-NOT: slice_end_index_len_fail // CHECK-NOT: panic_bounds_check // CHECK-NOT: unreachable - if let Some(idx) = s.iter().rposition(|b| *b == b'\\') { - &s[..idx] - } else { - s - } + if let Some(idx) = s.iter().rposition(|b| *b == b'\\') { &s[..idx] } else { s } } // CHECK-LABEL: @rposition_slice_from_no_bounds_check @@ -71,11 +55,7 @@ pub fn rposition_slice_from_no_bounds_check(s: &[u8]) -> &[u8] { // CHECK-NOT: slice_end_index_len_fail // CHECK-NOT: panic_bounds_check // CHECK-NOT: unreachable - if let Some(idx) = s.iter().rposition(|b| *b == b'\\') { - &s[idx..] - } else { - s - } + if let Some(idx) = s.iter().rposition(|b| *b == b'\\') { &s[idx..] } else { s } } // CHECK-LABEL: @rposition_index_no_bounds_check @@ -86,9 +66,5 @@ pub fn rposition_index_no_bounds_check(s: &[u8]) -> u8 { // CHECK-NOT: slice_end_index_len_fail // CHECK-NOT: panic_bounds_check // CHECK-NOT: unreachable - if let Some(idx) = s.iter().rposition(|b| *b == b'\\') { - s[idx] - } else { - 42 - } + if let Some(idx) = s.iter().rposition(|b| *b == b'\\') { s[idx] } else { 42 } } diff --git a/tests/codegen/issues/issue-75546.rs b/tests/codegen/issues/issue-75546.rs index 992ef97d6242..1132c8ab5093 100644 --- a/tests/codegen/issues/issue-75546.rs +++ b/tests/codegen/issues/issue-75546.rs @@ -9,7 +9,9 @@ pub fn issue_75546() { let mut i = 1u32; while i < u32::MAX { // CHECK-NOT: panic - if i == 0 { panic!(); } + if i == 0 { + panic!(); + } i += 1; } } diff --git a/tests/codegen/issues/issue-77812.rs b/tests/codegen/issues/issue-77812.rs index b9ce0a4f7db2..bf84ac21b16d 100644 --- a/tests/codegen/issues/issue-77812.rs +++ b/tests/codegen/issues/issue-77812.rs @@ -10,7 +10,7 @@ pub enum Variant { Two, } -extern { +extern "C" { fn exf1(); fn exf2(); } diff --git a/tests/codegen/issues/issue-84268.rs b/tests/codegen/issues/issue-84268.rs index 1e3950609b33..5e852133ed3d 100644 --- a/tests/codegen/issues/issue-84268.rs +++ b/tests/codegen/issues/issue-84268.rs @@ -17,7 +17,5 @@ pub struct M([i32; 4]); pub fn is_infinite(v: V) -> M { // CHECK: fabs // CHECK: cmp oeq - unsafe { - simd_eq(simd_fabs(v), V([f32::INFINITY; 4])) - } + unsafe { simd_eq(simd_fabs(v), V([f32::INFINITY; 4])) } } diff --git a/tests/codegen/issues/issue-96497-slice-size-nowrap.rs b/tests/codegen/issues/issue-96497-slice-size-nowrap.rs index c2b262b3334c..f922462cc279 100644 --- a/tests/codegen/issues/issue-96497-slice-size-nowrap.rs +++ b/tests/codegen/issues/issue-96497-slice-size-nowrap.rs @@ -4,7 +4,7 @@ //@ compile-flags: -O -#![crate_type="lib"] +#![crate_type = "lib"] // CHECK-LABEL: @simple_size_of_nowrap #[no_mangle] diff --git a/tests/codegen/issues/issue-99960.rs b/tests/codegen/issues/issue-99960.rs index 075495061750..9029121d35f4 100644 --- a/tests/codegen/issues/issue-99960.rs +++ b/tests/codegen/issues/issue-99960.rs @@ -6,9 +6,5 @@ pub fn test(dividend: i64, divisor: i64) -> Option { // CHECK-LABEL: @test( // CHECK-NOT: panic - if dividend > i64::min_value() && divisor != 0 { - Some(dividend / divisor) - } else { - None - } + if dividend > i64::min_value() && divisor != 0 { Some(dividend / divisor) } else { None } } diff --git a/tests/codegen/lib-optimizations/iter-sum.rs b/tests/codegen/lib-optimizations/iter-sum.rs index b563a6debb52..ea8c916bfc1b 100644 --- a/tests/codegen/lib-optimizations/iter-sum.rs +++ b/tests/codegen/lib-optimizations/iter-sum.rs @@ -2,7 +2,6 @@ //@ only-x86_64 (vectorization varies between architectures) #![crate_type = "lib"] - // Ensure that slice + take + sum gets vectorized. // Currently this relies on the slice::Iter::try_fold implementation // CHECK-LABEL: @slice_take_sum diff --git a/tests/codegen/lifetime_start_end.rs b/tests/codegen/lifetime_start_end.rs index 38e878451588..99d37c25dcac 100644 --- a/tests/codegen/lifetime_start_end.rs +++ b/tests/codegen/lifetime_start_end.rs @@ -8,27 +8,27 @@ pub fn test() { let a = 0u8; &a; // keep variable in an alloca -// CHECK: call void @llvm.lifetime.start{{.*}}(i{{[0-9 ]+}}, ptr %a) + // CHECK: call void @llvm.lifetime.start{{.*}}(i{{[0-9 ]+}}, ptr %a) { let b = &Some(a); &b; // keep variable in an alloca -// CHECK: call void @llvm.lifetime.start{{.*}}(i{{[0-9 ]+}}, {{.*}}) + // CHECK: call void @llvm.lifetime.start{{.*}}(i{{[0-9 ]+}}, {{.*}}) -// CHECK: call void @llvm.lifetime.start{{.*}}(i{{[0-9 ]+}}, {{.*}}) + // CHECK: call void @llvm.lifetime.start{{.*}}(i{{[0-9 ]+}}, {{.*}}) -// CHECK: call void @llvm.lifetime.end{{.*}}(i{{[0-9 ]+}}, {{.*}}) + // CHECK: call void @llvm.lifetime.end{{.*}}(i{{[0-9 ]+}}, {{.*}}) -// CHECK: call void @llvm.lifetime.end{{.*}}(i{{[0-9 ]+}}, {{.*}}) + // CHECK: call void @llvm.lifetime.end{{.*}}(i{{[0-9 ]+}}, {{.*}}) } let c = 1u8; &c; // keep variable in an alloca -// CHECK: call void @llvm.lifetime.start{{.*}}(i{{[0-9 ]+}}, ptr %c) + // CHECK: call void @llvm.lifetime.start{{.*}}(i{{[0-9 ]+}}, ptr %c) -// CHECK: call void @llvm.lifetime.end{{.*}}(i{{[0-9 ]+}}, ptr %c) + // CHECK: call void @llvm.lifetime.end{{.*}}(i{{[0-9 ]+}}, ptr %c) -// CHECK: call void @llvm.lifetime.end{{.*}}(i{{[0-9 ]+}}, ptr %a) + // CHECK: call void @llvm.lifetime.end{{.*}}(i{{[0-9 ]+}}, ptr %a) } diff --git a/tests/codegen/link-dead-code.rs b/tests/codegen/link-dead-code.rs index 7769622233f6..93e1d84d9c70 100644 --- a/tests/codegen/link-dead-code.rs +++ b/tests/codegen/link-dead-code.rs @@ -8,15 +8,21 @@ // CHECK-LABEL: ; link_dead_code::const_fn // CHECK-NEXT: ; Function Attrs: // CHECK-NEXT: define hidden -const fn const_fn() -> i32 { 1 } +const fn const_fn() -> i32 { + 1 +} // CHECK-LABEL: ; link_dead_code::inline_fn // CHECK-NEXT: ; Function Attrs: // CHECK-NEXT: define hidden #[inline] -fn inline_fn() -> i32 { 2 } +fn inline_fn() -> i32 { + 2 +} // CHECK-LABEL: ; link_dead_code::private_fn // CHECK-NEXT: ; Function Attrs: // CHECK-NEXT: define hidden -fn private_fn() -> i32 { 3 } +fn private_fn() -> i32 { + 3 +} diff --git a/tests/codegen/link_section.rs b/tests/codegen/link_section.rs index 281d3fb99d46..196f5edb7d63 100644 --- a/tests/codegen/link_section.rs +++ b/tests/codegen/link_section.rs @@ -16,7 +16,7 @@ pub static VAR1: u32 = 0x01000000; pub enum E { A(u32), - B(f32) + B(f32), } // CHECK: @VAR2 = {{(dso_local )?}}constant {{.*}}, section ".test_two" diff --git a/tests/codegen/loongarch-abi/loongarch64-lp64d-abi.rs b/tests/codegen/loongarch-abi/loongarch64-lp64d-abi.rs index d978f2d25254..cba1a980caa7 100644 --- a/tests/codegen/loongarch-abi/loongarch64-lp64d-abi.rs +++ b/tests/codegen/loongarch-abi/loongarch64-lp64d-abi.rs @@ -6,9 +6,12 @@ #![no_std] #![no_core] -#[lang="sized"] trait Sized { } -#[lang="freeze"] trait Freeze { } -#[lang="copy"] trait Copy { } +#[lang = "sized"] +trait Sized {} +#[lang = "freeze"] +trait Freeze {} +#[lang = "copy"] +trait Copy {} // CHECK: define void @f_fpr_tracking(double %0, double %1, double %2, double %3, double %4, double %5, double %6, double %7, i8 noundef zeroext %i) #[no_mangle] diff --git a/tests/codegen/lto-removes-invokes.rs b/tests/codegen/lto-removes-invokes.rs index f0102c25d5bd..3217c239bf78 100644 --- a/tests/codegen/lto-removes-invokes.rs +++ b/tests/codegen/lto-removes-invokes.rs @@ -10,8 +10,8 @@ fn main() { fn foo() { let _a = Box::new(3); bar(); -// CHECK-LABEL: define dso_local void @foo -// CHECK: call void @bar + // CHECK-LABEL: define dso_local void @foo + // CHECK: call void @bar } #[inline(never)] diff --git a/tests/codegen/macos/i686-macosx-deployment-target.rs b/tests/codegen/macos/i686-macosx-deployment-target.rs index b854476de418..389434da1f67 100644 --- a/tests/codegen/macos/i686-macosx-deployment-target.rs +++ b/tests/codegen/macos/i686-macosx-deployment-target.rs @@ -8,12 +8,12 @@ #![feature(no_core, lang_items)] #![no_core] -#[lang="sized"] -trait Sized { } -#[lang="freeze"] -trait Freeze { } -#[lang="copy"] -trait Copy { } +#[lang = "sized"] +trait Sized {} +#[lang = "freeze"] +trait Freeze {} +#[lang = "copy"] +trait Copy {} #[repr(C)] pub struct Bool { diff --git a/tests/codegen/macos/i686-no-macosx-deployment-target.rs b/tests/codegen/macos/i686-no-macosx-deployment-target.rs index a49a3467e7a0..4c6b7656e593 100644 --- a/tests/codegen/macos/i686-no-macosx-deployment-target.rs +++ b/tests/codegen/macos/i686-no-macosx-deployment-target.rs @@ -8,12 +8,12 @@ #![feature(no_core, lang_items)] #![no_core] -#[lang="sized"] -trait Sized { } -#[lang="freeze"] -trait Freeze { } -#[lang="copy"] -trait Copy { } +#[lang = "sized"] +trait Sized {} +#[lang = "freeze"] +trait Freeze {} +#[lang = "copy"] +trait Copy {} #[repr(C)] pub struct Bool { diff --git a/tests/codegen/macos/x86_64-macosx-deployment-target.rs b/tests/codegen/macos/x86_64-macosx-deployment-target.rs index eac989c29541..a40deca24bbe 100644 --- a/tests/codegen/macos/x86_64-macosx-deployment-target.rs +++ b/tests/codegen/macos/x86_64-macosx-deployment-target.rs @@ -8,12 +8,12 @@ #![feature(no_core, lang_items)] #![no_core] -#[lang="sized"] -trait Sized { } -#[lang="freeze"] -trait Freeze { } -#[lang="copy"] -trait Copy { } +#[lang = "sized"] +trait Sized {} +#[lang = "freeze"] +trait Freeze {} +#[lang = "copy"] +trait Copy {} #[repr(C)] pub struct Bool { diff --git a/tests/codegen/macos/x86_64-no-macosx-deployment-target.rs b/tests/codegen/macos/x86_64-no-macosx-deployment-target.rs index ed294cf4e3dc..26d519ef1a6d 100644 --- a/tests/codegen/macos/x86_64-no-macosx-deployment-target.rs +++ b/tests/codegen/macos/x86_64-no-macosx-deployment-target.rs @@ -8,12 +8,12 @@ #![feature(no_core, lang_items)] #![no_core] -#[lang="sized"] -trait Sized { } -#[lang="freeze"] -trait Freeze { } -#[lang="copy"] -trait Copy { } +#[lang = "sized"] +trait Sized {} +#[lang = "freeze"] +trait Freeze {} +#[lang = "copy"] +trait Copy {} #[repr(C)] pub struct Bool { diff --git a/tests/codegen/match-optimized.rs b/tests/codegen/match-optimized.rs index 5cecafb9f29c..d6893be0b7be 100644 --- a/tests/codegen/match-optimized.rs +++ b/tests/codegen/match-optimized.rs @@ -11,23 +11,23 @@ pub enum E { // CHECK-LABEL: @exhaustive_match #[no_mangle] pub fn exhaustive_match(e: E) -> u8 { -// CHECK: switch{{.*}}, label %[[OTHERWISE:[a-zA-Z0-9_]+]] [ -// CHECK-NEXT: i[[TY:[0-9]+]] [[DISCR:[0-9]+]], label %[[A:[a-zA-Z0-9_]+]] -// CHECK-NEXT: i[[TY:[0-9]+]] [[DISCR:[0-9]+]], label %[[B:[a-zA-Z0-9_]+]] -// CHECK-NEXT: i[[TY:[0-9]+]] [[DISCR:[0-9]+]], label %[[C:[a-zA-Z0-9_]+]] -// CHECK-NEXT: ] -// CHECK: [[OTHERWISE]]: -// CHECK-NEXT: unreachable -// -// CHECK: [[A]]: -// CHECK-NEXT: store i8 0, ptr %_0, align 1 -// CHECK-NEXT: br label %[[EXIT:[a-zA-Z0-9_]+]] -// CHECK: [[B]]: -// CHECK-NEXT: store i8 1, ptr %_0, align 1 -// CHECK-NEXT: br label %[[EXIT]] -// CHECK: [[C]]: -// CHECK-NEXT: store i8 3, ptr %_0, align 1 -// CHECK-NEXT: br label %[[EXIT]] + // CHECK: switch{{.*}}, label %[[OTHERWISE:[a-zA-Z0-9_]+]] [ + // CHECK-NEXT: i[[TY:[0-9]+]] [[DISCR:[0-9]+]], label %[[A:[a-zA-Z0-9_]+]] + // CHECK-NEXT: i[[TY:[0-9]+]] [[DISCR:[0-9]+]], label %[[B:[a-zA-Z0-9_]+]] + // CHECK-NEXT: i[[TY:[0-9]+]] [[DISCR:[0-9]+]], label %[[C:[a-zA-Z0-9_]+]] + // CHECK-NEXT: ] + // CHECK: [[OTHERWISE]]: + // CHECK-NEXT: unreachable + // + // CHECK: [[A]]: + // CHECK-NEXT: store i8 0, ptr %_0, align 1 + // CHECK-NEXT: br label %[[EXIT:[a-zA-Z0-9_]+]] + // CHECK: [[B]]: + // CHECK-NEXT: store i8 1, ptr %_0, align 1 + // CHECK-NEXT: br label %[[EXIT]] + // CHECK: [[C]]: + // CHECK-NEXT: store i8 3, ptr %_0, align 1 + // CHECK-NEXT: br label %[[EXIT]] match e { E::A => 0, E::B => 1, diff --git a/tests/codegen/match-optimizes-away.rs b/tests/codegen/match-optimizes-away.rs index 55ece89cec21..82ab5718b375 100644 --- a/tests/codegen/match-optimizes-away.rs +++ b/tests/codegen/match-optimizes-away.rs @@ -1,11 +1,20 @@ // //@ compile-flags: -O -#![crate_type="lib"] +#![crate_type = "lib"] -pub enum Three { A, B, C } +pub enum Three { + A, + B, + C, +} #[repr(u16)] -pub enum Four { A, B, C, D } +pub enum Four { + A, + B, + C, + D, +} #[no_mangle] pub fn three_valued(x: Three) -> Three { diff --git a/tests/codegen/mir_zst_stores.rs b/tests/codegen/mir_zst_stores.rs index 667273c2f0f7..ff1d429cffdb 100644 --- a/tests/codegen/mir_zst_stores.rs +++ b/tests/codegen/mir_zst_stores.rs @@ -4,7 +4,9 @@ use std::marker::PhantomData; #[derive(Copy, Clone)] -struct Zst { phantom: PhantomData } +struct Zst { + phantom: PhantomData, +} // CHECK-LABEL: @mir // CHECK-NOT: store{{.*}}undef diff --git a/tests/codegen/naked-fn/naked-functions.rs b/tests/codegen/naked-fn/naked-functions.rs index 3c426825537b..307745a921cf 100644 --- a/tests/codegen/naked-fn/naked-functions.rs +++ b/tests/codegen/naked-fn/naked-functions.rs @@ -14,8 +14,7 @@ pub unsafe extern "C" fn naked_empty() { // CHECK-NEXT: {{.+}}: // CHECK-NEXT: call void asm // CHECK-NEXT: unreachable - asm!("ret", - options(noreturn)); + asm!("ret", options(noreturn)); } // CHECK: Function Attrs: naked @@ -26,7 +25,5 @@ pub unsafe extern "C" fn naked_with_args_and_return(a: isize, b: isize) -> isize // CHECK-NEXT: {{.+}}: // CHECK-NEXT: call void asm // CHECK-NEXT: unreachable - asm!("lea rax, [rdi + rsi]", - "ret", - options(noreturn)); + asm!("lea rax, [rdi + rsi]", "ret", options(noreturn)); } diff --git a/tests/codegen/no-assumes-on-casts.rs b/tests/codegen/no-assumes-on-casts.rs index b9c264daa2d1..9c00dc2c0155 100644 --- a/tests/codegen/no-assumes-on-casts.rs +++ b/tests/codegen/no-assumes-on-casts.rs @@ -6,14 +6,14 @@ #[no_mangle] pub fn fna(a: i16) -> i32 { a as i32 -// CHECK-NOT: assume -// CHECK: sext + // CHECK-NOT: assume + // CHECK: sext } // CHECK-LABEL: fnb #[no_mangle] pub fn fnb(a: u16) -> u32 { a as u32 -// CHECK-NOT: assume -// CHECK: zext + // CHECK-NOT: assume + // CHECK: zext } diff --git a/tests/codegen/noalias-freeze.rs b/tests/codegen/noalias-freeze.rs index 8086f3afbbc8..32c840140260 100644 --- a/tests/codegen/noalias-freeze.rs +++ b/tests/codegen/noalias-freeze.rs @@ -8,7 +8,9 @@ #![crate_type = "lib"] -fn project(x: &(T,)) -> &T { &x.0 } +fn project(x: &(T,)) -> &T { + &x.0 +} fn dummy() {} diff --git a/tests/codegen/noalias-unpin.rs b/tests/codegen/noalias-unpin.rs index 546b1edb7b61..630a62020c11 100644 --- a/tests/codegen/noalias-unpin.rs +++ b/tests/codegen/noalias-unpin.rs @@ -4,7 +4,7 @@ pub struct SelfRef { self_ref: *mut SelfRef, - _pin: std::marker::PhantomPinned + _pin: std::marker::PhantomPinned, } // CHECK-LABEL: @test_self_ref( diff --git a/tests/codegen/non-terminate/infinite-recursion.rs b/tests/codegen/non-terminate/infinite-recursion.rs index 804704c0292e..19123639896b 100644 --- a/tests/codegen/non-terminate/infinite-recursion.rs +++ b/tests/codegen/non-terminate/infinite-recursion.rs @@ -1,7 +1,6 @@ //@ compile-flags: -C opt-level=3 #![crate_type = "lib"] - #![allow(unconditional_recursion)] // CHECK-LABEL: @infinite_recursion diff --git a/tests/codegen/noreturnflag.rs b/tests/codegen/noreturnflag.rs index a8f08628986a..d9bb30b2703a 100644 --- a/tests/codegen/noreturnflag.rs +++ b/tests/codegen/noreturnflag.rs @@ -4,7 +4,7 @@ #[no_mangle] pub fn foo() -> ! { -// CHECK: @foo() unnamed_addr #0 + // CHECK: @foo() unnamed_addr #0 loop {} } @@ -12,7 +12,7 @@ pub enum EmptyEnum {} #[no_mangle] pub fn bar() -> EmptyEnum { -// CHECK: @bar() unnamed_addr #0 + // CHECK: @bar() unnamed_addr #0 loop {} } diff --git a/tests/codegen/nounwind.rs b/tests/codegen/nounwind.rs index 2b237ef01208..464bc2535c2b 100644 --- a/tests/codegen/nounwind.rs +++ b/tests/codegen/nounwind.rs @@ -10,7 +10,7 @@ extern crate nounwind; #[no_mangle] pub fn foo() { nounwind::bar(); -// CHECK: @foo() unnamed_addr #0 -// CHECK: @bar() unnamed_addr #0 -// CHECK: attributes #0 = { {{.*}}nounwind{{.*}} } + // CHECK: @foo() unnamed_addr #0 + // CHECK: @bar() unnamed_addr #0 + // CHECK: attributes #0 = { {{.*}}nounwind{{.*}} } } diff --git a/tests/codegen/optimize-attr-1.rs b/tests/codegen/optimize-attr-1.rs index c8e68779aae6..3aee44791e0e 100644 --- a/tests/codegen/optimize-attr-1.rs +++ b/tests/codegen/optimize-attr-1.rs @@ -4,7 +4,7 @@ //@[SPEED-OPT] compile-flags: -Copt-level=3 -Ccodegen-units=1 #![feature(optimize_attribute)] -#![crate_type="rlib"] +#![crate_type = "rlib"] // CHECK-LABEL: define{{.*}}i32 @nothing // CHECK-SAME: [[NOTHING_ATTRS:#[0-9]+]] diff --git a/tests/codegen/option-niche-eq.rs b/tests/codegen/option-niche-eq.rs index 25ea5dd595c3..4d3a7ce3764b 100644 --- a/tests/codegen/option-niche-eq.rs +++ b/tests/codegen/option-niche-eq.rs @@ -4,8 +4,8 @@ extern crate core; use core::cmp::Ordering; -use core::ptr::NonNull; use core::num::NonZero; +use core::ptr::NonNull; // CHECK-LABEL: @non_zero_eq #[no_mangle] diff --git a/tests/codegen/packed.rs b/tests/codegen/packed.rs index 5142df9c4881..790d618b2ead 100644 --- a/tests/codegen/packed.rs +++ b/tests/codegen/packed.rs @@ -6,20 +6,20 @@ #[repr(packed)] pub struct Packed1 { dealign: u8, - data: u32 + data: u32, } #[repr(packed(2))] pub struct Packed2 { dealign: u8, - data: u32 + data: u32, } // CHECK-LABEL: @write_pkd1 #[no_mangle] pub fn write_pkd1(pkd: &mut Packed1) -> u32 { -// CHECK: %{{.*}} = load i32, ptr %{{.*}}, align 1 -// CHECK: store i32 42, ptr %{{.*}}, align 1 + // CHECK: %{{.*}} = load i32, ptr %{{.*}}, align 1 + // CHECK: store i32 42, ptr %{{.*}}, align 1 let result = pkd.data; pkd.data = 42; result @@ -28,8 +28,8 @@ pub fn write_pkd1(pkd: &mut Packed1) -> u32 { // CHECK-LABEL: @write_pkd2 #[no_mangle] pub fn write_pkd2(pkd: &mut Packed2) -> u32 { -// CHECK: %{{.*}} = load i32, ptr %{{.*}}, align 2 -// CHECK: store i32 42, ptr %{{.*}}, align 2 + // CHECK: %{{.*}} = load i32, ptr %{{.*}}, align 2 + // CHECK: store i32 42, ptr %{{.*}}, align 2 let result = pkd.data; pkd.data = 42; result @@ -39,21 +39,21 @@ pub struct Array([i32; 8]); #[repr(packed)] pub struct BigPacked1 { dealign: u8, - data: Array + data: Array, } #[repr(packed(2))] pub struct BigPacked2 { dealign: u8, - data: Array + data: Array, } // CHECK-LABEL: @call_pkd1 #[no_mangle] pub fn call_pkd1(f: fn() -> Array) -> BigPacked1 { -// CHECK: [[ALLOCA:%[_a-z0-9]+]] = alloca [32 x i8] -// CHECK: call void %{{.*}}(ptr noalias nocapture noundef sret{{.*}} dereferenceable(32) [[ALLOCA]]) -// CHECK: call void @llvm.memcpy.{{.*}}(ptr align 1 %{{.*}}, ptr align 4 %{{.*}}, i{{[0-9]+}} 32, i1 false) + // CHECK: [[ALLOCA:%[_a-z0-9]+]] = alloca [32 x i8] + // CHECK: call void %{{.*}}(ptr noalias nocapture noundef sret{{.*}} dereferenceable(32) [[ALLOCA]]) + // CHECK: call void @llvm.memcpy.{{.*}}(ptr align 1 %{{.*}}, ptr align 4 %{{.*}}, i{{[0-9]+}} 32, i1 false) // check that calls whose destination is a field of a packed struct // go through an alloca rather than calling the function with an // unaligned destination. @@ -63,9 +63,9 @@ pub fn call_pkd1(f: fn() -> Array) -> BigPacked1 { // CHECK-LABEL: @call_pkd2 #[no_mangle] pub fn call_pkd2(f: fn() -> Array) -> BigPacked2 { -// CHECK: [[ALLOCA:%[_a-z0-9]+]] = alloca [32 x i8] -// CHECK: call void %{{.*}}(ptr noalias nocapture noundef sret{{.*}} dereferenceable(32) [[ALLOCA]]) -// CHECK: call void @llvm.memcpy.{{.*}}(ptr align 2 %{{.*}}, ptr align 4 %{{.*}}, i{{[0-9]+}} 32, i1 false) + // CHECK: [[ALLOCA:%[_a-z0-9]+]] = alloca [32 x i8] + // CHECK: call void %{{.*}}(ptr noalias nocapture noundef sret{{.*}} dereferenceable(32) [[ALLOCA]]) + // CHECK: call void @llvm.memcpy.{{.*}}(ptr align 2 %{{.*}}, ptr align 4 %{{.*}}, i{{[0-9]+}} 32, i1 false) // check that calls whose destination is a field of a packed struct // go through an alloca rather than calling the function with an // unaligned destination. @@ -119,14 +119,14 @@ pub struct Packed2Pair(u8, u32); // CHECK-LABEL: @pkd1_pair #[no_mangle] pub fn pkd1_pair(pair1: &mut Packed1Pair, pair2: &mut Packed1Pair) { -// CHECK: call void @llvm.memcpy.{{.*}}(ptr align 1 %{{.*}}, ptr align 1 %{{.*}}, i{{[0-9]+}} 5, i1 false) + // CHECK: call void @llvm.memcpy.{{.*}}(ptr align 1 %{{.*}}, ptr align 1 %{{.*}}, i{{[0-9]+}} 5, i1 false) *pair2 = *pair1; } // CHECK-LABEL: @pkd2_pair #[no_mangle] pub fn pkd2_pair(pair1: &mut Packed2Pair, pair2: &mut Packed2Pair) { -// CHECK: call void @llvm.memcpy.{{.*}}(ptr align 2 %{{.*}}, ptr align 2 %{{.*}}, i{{[0-9]+}} 6, i1 false) + // CHECK: call void @llvm.memcpy.{{.*}}(ptr align 2 %{{.*}}, ptr align 2 %{{.*}}, i{{[0-9]+}} 6, i1 false) *pair2 = *pair1; } @@ -141,13 +141,13 @@ pub struct Packed2NestedPair((u32, u32)); // CHECK-LABEL: @pkd1_nested_pair #[no_mangle] pub fn pkd1_nested_pair(pair1: &mut Packed1NestedPair, pair2: &mut Packed1NestedPair) { -// CHECK: call void @llvm.memcpy.{{.*}}(ptr align 1 %{{.*}}, ptr align 1 %{{.*}}, i{{[0-9]+}} 8, i1 false) + // CHECK: call void @llvm.memcpy.{{.*}}(ptr align 1 %{{.*}}, ptr align 1 %{{.*}}, i{{[0-9]+}} 8, i1 false) *pair2 = *pair1; } // CHECK-LABEL: @pkd2_nested_pair #[no_mangle] pub fn pkd2_nested_pair(pair1: &mut Packed2NestedPair, pair2: &mut Packed2NestedPair) { -// CHECK: call void @llvm.memcpy.{{.*}}(ptr align 2 %{{.*}}, ptr align 2 %{{.*}}, i{{[0-9]+}} 8, i1 false) + // CHECK: call void @llvm.memcpy.{{.*}}(ptr align 2 %{{.*}}, ptr align 2 %{{.*}}, i{{[0-9]+}} 8, i1 false) *pair2 = *pair1; } diff --git a/tests/codegen/panic-abort-windows.rs b/tests/codegen/panic-abort-windows.rs index 71caa1b3d2af..eb61e649f04a 100644 --- a/tests/codegen/panic-abort-windows.rs +++ b/tests/codegen/panic-abort-windows.rs @@ -8,11 +8,9 @@ // CHECK: Function Attrs: nounwind uwtable // CHECK-NEXT: define void @normal_uwtable() #[no_mangle] -pub fn normal_uwtable() { -} +pub fn normal_uwtable() {} // CHECK: Function Attrs: nounwind uwtable // CHECK-NEXT: define void @extern_uwtable() #[no_mangle] -pub extern fn extern_uwtable() { -} +pub extern "C" fn extern_uwtable() {} diff --git a/tests/codegen/personality_lifetimes.rs b/tests/codegen/personality_lifetimes.rs index 0ef4aa424d83..828af05436b4 100644 --- a/tests/codegen/personality_lifetimes.rs +++ b/tests/codegen/personality_lifetimes.rs @@ -3,19 +3,17 @@ //@ compile-flags: -O -C no-prepopulate-passes -#![crate_type="lib"] +#![crate_type = "lib"] struct S; impl Drop for S { #[inline(never)] - fn drop(&mut self) { - } + fn drop(&mut self) {} } #[inline(never)] -fn might_unwind() { -} +fn might_unwind() {} // CHECK-LABEL: @test #[no_mangle] diff --git a/tests/codegen/pgo-instrumentation.rs b/tests/codegen/pgo-instrumentation.rs index e2c348edf822..b1906c145c6b 100644 --- a/tests/codegen/pgo-instrumentation.rs +++ b/tests/codegen/pgo-instrumentation.rs @@ -10,12 +10,10 @@ // CHECK-DAG: @__profd_{{.*}}pgo_instrumentation{{.*}}some_other_function{{.*}} = {{.*}}global // CHECK: @__llvm_profile_filename = {{.*}}"default_%m.profraw\00"{{.*}} -#![crate_type="lib"] +#![crate_type = "lib"] #[inline(never)] -fn some_function() { - -} +fn some_function() {} pub fn some_other_function() { some_function(); diff --git a/tests/codegen/pic-relocation-model.rs b/tests/codegen/pic-relocation-model.rs index 10ade847133a..a1d1678a6bda 100644 --- a/tests/codegen/pic-relocation-model.rs +++ b/tests/codegen/pic-relocation-model.rs @@ -5,15 +5,15 @@ // CHECK: define i8 @call_foreign_fn() #[no_mangle] pub fn call_foreign_fn() -> u8 { - unsafe { - foreign_fn() - } + unsafe { foreign_fn() } } // (Allow but do not require `zeroext` here, because it is not worth effort to // spell out which targets have it and which ones do not; see rust#97800.) // CHECK: declare{{( zeroext)?}} i8 @foreign_fn() -extern "C" {fn foreign_fn() -> u8;} +extern "C" { + fn foreign_fn() -> u8; +} // CHECK: !{i32 {{[78]}}, !"PIC Level", i32 2} diff --git a/tests/codegen/pie-relocation-model.rs b/tests/codegen/pie-relocation-model.rs index 20bf8919ac10..b10af6934522 100644 --- a/tests/codegen/pie-relocation-model.rs +++ b/tests/codegen/pie-relocation-model.rs @@ -8,15 +8,15 @@ // CHECK: define dso_local i8 @call_foreign_fn() #[no_mangle] pub fn call_foreign_fn() -> u8 { - unsafe { - foreign_fn() - } + unsafe { foreign_fn() } } // External functions are still marked as non-dso_local, since we don't know if the symbol // is defined in the binary or in the shared library. // CHECK: declare zeroext i8 @foreign_fn() -extern "C" {fn foreign_fn() -> u8;} +extern "C" { + fn foreign_fn() -> u8; +} // CHECK: !{i32 {{[78]}}, !"PIC Level", i32 2} // CHECK: !{i32 7, !"PIE Level", i32 2} diff --git a/tests/codegen/powerpc64le-struct-align-128.rs b/tests/codegen/powerpc64le-struct-align-128.rs index 0096c6d3138b..3981cd121296 100644 --- a/tests/codegen/powerpc64le-struct-align-128.rs +++ b/tests/codegen/powerpc64le-struct-align-128.rs @@ -8,12 +8,12 @@ #![crate_type = "lib"] #![no_core] -#[lang="sized"] -trait Sized { } -#[lang="freeze"] -trait Freeze { } -#[lang="copy"] -trait Copy { } +#[lang = "sized"] +trait Sized {} +#[lang = "freeze"] +trait Freeze {} +#[lang = "copy"] +trait Copy {} #[repr(C)] pub struct Align8 { @@ -23,7 +23,7 @@ pub struct Align8 { #[repr(transparent)] pub struct Transparent8 { - a: Align8 + a: Align8, } #[repr(C)] @@ -45,7 +45,7 @@ pub struct Align16 { #[repr(transparent)] pub struct Transparent16 { - a: Align16 + a: Align16, } #[repr(C)] @@ -69,7 +69,7 @@ pub struct Align32 { #[repr(transparent)] pub struct Transparent32 { - a: Align32 + a: Align32, } #[repr(C)] @@ -83,9 +83,15 @@ extern "C" { } pub unsafe fn main( - a1: Align8, a2: Transparent8, a3: Wrapped8, - b1: Align16, b2: Transparent16, b3: Wrapped16, - c1: Align32, c2: Transparent32, c3: Wrapped32, + a1: Align8, + a2: Transparent8, + a3: Wrapped8, + b1: Align16, + b2: Transparent16, + b3: Wrapped16, + c1: Align32, + c2: Transparent32, + c3: Wrapped32, ) { test_8(a1, a2, a3); test_16(b1, b2, b3); diff --git a/tests/codegen/precondition-checks.rs b/tests/codegen/precondition-checks.rs index 191494450037..16812ca17207 100644 --- a/tests/codegen/precondition-checks.rs +++ b/tests/codegen/precondition-checks.rs @@ -21,7 +21,5 @@ use std::ptr::NonNull; #[no_mangle] pub unsafe fn nonnull_new(ptr: *mut u8) -> NonNull { // CHECK: ; call core::ptr::non_null::NonNull::new_unchecked - unsafe { - NonNull::new_unchecked(ptr) - } + unsafe { NonNull::new_unchecked(ptr) } } diff --git a/tests/codegen/refs.rs b/tests/codegen/refs.rs index 40ce04c07a11..97c362950855 100644 --- a/tests/codegen/refs.rs +++ b/tests/codegen/refs.rs @@ -5,17 +5,16 @@ // Hack to get the correct size for the length part in slices // CHECK: @helper([[USIZE:i[0-9]+]] %_1) #[no_mangle] -pub fn helper(_: usize) { -} +pub fn helper(_: usize) {} // CHECK-LABEL: @ref_dst #[no_mangle] pub fn ref_dst(s: &[u8]) { // We used to generate an extra alloca and memcpy to ref the dst, so check that we copy // directly to the alloca for "x" -// CHECK: store ptr %s.0, {{.*}} %x -// CHECK: [[X1:%[0-9]+]] = getelementptr inbounds i8, {{.*}} %x, {{i32 4|i64 8}} -// CHECK: store [[USIZE]] %s.1, {{.*}} [[X1]] + // CHECK: store ptr %s.0, {{.*}} %x + // CHECK: [[X1:%[0-9]+]] = getelementptr inbounds i8, {{.*}} %x, {{i32 4|i64 8}} + // CHECK: store [[USIZE]] %s.1, {{.*}} [[X1]] let x = &*s; &x; // keep variable in an alloca diff --git a/tests/codegen/repr/transparent-imm-array.rs b/tests/codegen/repr/transparent-imm-array.rs index 917a2c6ef527..1acd4742d356 100644 --- a/tests/codegen/repr/transparent-imm-array.rs +++ b/tests/codegen/repr/transparent-imm-array.rs @@ -26,15 +26,17 @@ #![no_std] #![no_core] -#[lang="sized"] trait Sized { } -#[lang="freeze"] trait Freeze { } -#[lang="copy"] trait Copy { } +#[lang = "sized"] +trait Sized {} +#[lang = "freeze"] +trait Freeze {} +#[lang = "copy"] +trait Copy {} impl Copy for [u32; 16] {} impl Copy for BigS {} impl Copy for BigU {} - #[repr(C)] pub struct BigS([u32; 16]); @@ -53,20 +55,27 @@ pub enum TeBigS { // CHECK: define void @test_BigS(ptr [[BIGS_RET_ATTRS1:.*]] sret([64 x i8]) [[BIGS_RET_ATTRS2:.*]], [16 x i32] #[no_mangle] -pub extern fn test_BigS(_: BigS) -> BigS { loop {} } +pub extern "C" fn test_BigS(_: BigS) -> BigS { + loop {} +} // CHECK: define void @test_TsBigS(ptr [[BIGS_RET_ATTRS1]] sret([64 x i8]) [[BIGS_RET_ATTRS2]], [16 x i32] #[no_mangle] -pub extern fn test_TsBigS(_: TsBigS) -> TsBigS { loop {} } +pub extern "C" fn test_TsBigS(_: TsBigS) -> TsBigS { + loop {} +} // CHECK: define void @test_TuBigS(ptr [[BIGS_RET_ATTRS1]] sret([64 x i8]) [[BIGS_RET_ATTRS2]], [16 x i32] #[no_mangle] -pub extern fn test_TuBigS(_: TuBigS) -> TuBigS { loop {} } +pub extern "C" fn test_TuBigS(_: TuBigS) -> TuBigS { + loop {} +} // CHECK: define void @test_TeBigS(ptr [[BIGS_RET_ATTRS1]] sret([64 x i8]) [[BIGS_RET_ATTRS2]], [16 x i32] #[no_mangle] -pub extern fn test_TeBigS(_: TeBigS) -> TeBigS { loop {} } - +pub extern "C" fn test_TeBigS(_: TeBigS) -> TeBigS { + loop {} +} #[repr(C)] pub union BigU { @@ -88,16 +97,24 @@ pub enum TeBigU { // CHECK: define void @test_BigU(ptr [[BIGU_RET_ATTRS1:.*]] sret([64 x i8]) [[BIGU_RET_ATTRS2:.*]], [16 x i32] #[no_mangle] -pub extern fn test_BigU(_: BigU) -> BigU { loop {} } +pub extern "C" fn test_BigU(_: BigU) -> BigU { + loop {} +} // CHECK: define void @test_TsBigU(ptr [[BIGU_RET_ATTRS1]] sret([64 x i8]) [[BIGU_RET_ATTRS2]], [16 x i32] #[no_mangle] -pub extern fn test_TsBigU(_: TsBigU) -> TsBigU { loop {} } +pub extern "C" fn test_TsBigU(_: TsBigU) -> TsBigU { + loop {} +} // CHECK: define void @test_TuBigU(ptr [[BIGU_RET_ATTRS1]] sret([64 x i8]) [[BIGU_RET_ATTRS2]], [16 x i32] #[no_mangle] -pub extern fn test_TuBigU(_: TuBigU) -> TuBigU { loop {} } +pub extern "C" fn test_TuBigU(_: TuBigU) -> TuBigU { + loop {} +} // CHECK: define void @test_TeBigU(ptr [[BIGU_RET_ATTRS1]] sret([64 x i8]) [[BIGU_RET_ATTRS2]], [16 x i32] #[no_mangle] -pub extern fn test_TeBigU(_: TeBigU) -> TeBigU { loop {} } +pub extern "C" fn test_TeBigU(_: TeBigU) -> TeBigU { + loop {} +} diff --git a/tests/codegen/repr/transparent-mips64.rs b/tests/codegen/repr/transparent-mips64.rs index ebed8d7989fd..588d440b4d7b 100644 --- a/tests/codegen/repr/transparent-mips64.rs +++ b/tests/codegen/repr/transparent-mips64.rs @@ -13,9 +13,12 @@ #![no_std] #![no_core] -#[lang="sized"] trait Sized { } -#[lang="freeze"] trait Freeze { } -#[lang="copy"] trait Copy { } +#[lang = "sized"] +trait Sized {} +#[lang = "freeze"] +trait Freeze {} +#[lang = "copy"] +trait Copy {} impl Copy for [u32; 16] {} impl Copy for BigS {} @@ -39,20 +42,27 @@ pub enum TeBigS { // CHECK: define void @test_BigS(ptr [[BIGS_RET_ATTRS1:.*]] sret([64 x i8]) [[BIGS_RET_ATTRS2:.*]], [8 x i64] #[no_mangle] -pub extern fn test_BigS(_: BigS) -> BigS { loop {} } +pub extern "C" fn test_BigS(_: BigS) -> BigS { + loop {} +} // CHECK: define void @test_TsBigS(ptr [[BIGS_RET_ATTRS1]] sret([64 x i8]) [[BIGS_RET_ATTRS2]], [8 x i64] #[no_mangle] -pub extern fn test_TsBigS(_: TsBigS) -> TsBigS { loop {} } +pub extern "C" fn test_TsBigS(_: TsBigS) -> TsBigS { + loop {} +} // CHECK: define void @test_TuBigS(ptr [[BIGS_RET_ATTRS1]] sret([64 x i8]) [[BIGS_RET_ATTRS2]], [8 x i64] #[no_mangle] -pub extern fn test_TuBigS(_: TuBigS) -> TuBigS { loop {} } +pub extern "C" fn test_TuBigS(_: TuBigS) -> TuBigS { + loop {} +} // CHECK: define void @test_TeBigS(ptr [[BIGS_RET_ATTRS1]] sret([64 x i8]) [[BIGS_RET_ATTRS2]], [8 x i64] #[no_mangle] -pub extern fn test_TeBigS(_: TeBigS) -> TeBigS { loop {} } - +pub extern "C" fn test_TeBigS(_: TeBigS) -> TeBigS { + loop {} +} #[repr(C)] pub union BigU { @@ -74,16 +84,24 @@ pub enum TeBigU { // CHECK: define void @test_BigU(ptr [[BIGU_RET_ATTRS1:.*]] sret([64 x i8]) [[BIGU_RET_ATTRS2:.*]], [8 x i64] #[no_mangle] -pub extern fn test_BigU(_: BigU) -> BigU { loop {} } +pub extern "C" fn test_BigU(_: BigU) -> BigU { + loop {} +} // CHECK: define void @test_TsBigU(ptr [[BIGU_RET_ATTRS1]] sret([64 x i8]) [[BIGU_RET_ATTRS2]], [8 x i64] #[no_mangle] -pub extern fn test_TsBigU(_: TsBigU) -> TsBigU { loop {} } +pub extern "C" fn test_TsBigU(_: TsBigU) -> TsBigU { + loop {} +} // CHECK: define void @test_TuBigU(ptr [[BIGU_RET_ATTRS1]] sret([64 x i8]) [[BIGU_RET_ATTRS2]], [8 x i64] #[no_mangle] -pub extern fn test_TuBigU(_: TuBigU) -> TuBigU { loop {} } +pub extern "C" fn test_TuBigU(_: TuBigU) -> TuBigU { + loop {} +} // CHECK: define void @test_TeBigU(ptr [[BIGU_RET_ATTRS1]] sret([64 x i8]) [[BIGU_RET_ATTRS2]], [8 x i64] #[no_mangle] -pub extern fn test_TeBigU(_: TeBigU) -> TeBigU { loop {} } +pub extern "C" fn test_TeBigU(_: TeBigU) -> TeBigU { + loop {} +} diff --git a/tests/codegen/repr/transparent-sparc64.rs b/tests/codegen/repr/transparent-sparc64.rs index 7005a07f554f..8e4c8ce2ee9b 100644 --- a/tests/codegen/repr/transparent-sparc64.rs +++ b/tests/codegen/repr/transparent-sparc64.rs @@ -8,15 +8,17 @@ #![no_std] #![no_core] -#[lang="sized"] trait Sized { } -#[lang="freeze"] trait Freeze { } -#[lang="copy"] trait Copy { } +#[lang = "sized"] +trait Sized {} +#[lang = "freeze"] +trait Freeze {} +#[lang = "copy"] +trait Copy {} impl Copy for [u32; 16] {} impl Copy for BigS {} impl Copy for BigU {} - #[repr(C)] pub struct BigS([u32; 16]); @@ -37,26 +39,33 @@ pub enum TeBigS { // CHECK-NOT: byval // CHECK-SAME: %{{[0-9a-z_]+}}) #[no_mangle] -pub extern "C" fn test_BigS(_: BigS) -> BigS { loop {} } +pub extern "C" fn test_BigS(_: BigS) -> BigS { + loop {} +} // CHECK: define{{.*}}void @test_TsBigS(ptr [[BIGS_RET_ATTRS1]] sret([64 x i8]) [[BIGS_RET_ATTRS2]], ptr // CHECK-NOT: byval // CHECK-SAME: %{{[0-9a-z_]+}}) #[no_mangle] -pub extern "C" fn test_TsBigS(_: TsBigS) -> TsBigS { loop {} } +pub extern "C" fn test_TsBigS(_: TsBigS) -> TsBigS { + loop {} +} // CHECK: define{{.*}}void @test_TuBigS(ptr [[BIGS_RET_ATTRS1]] sret([64 x i8]) [[BIGS_RET_ATTRS2]], ptr // CHECK-NOT: byval // CHECK-SAME: %{{[0-9a-z_]+}}) #[no_mangle] -pub extern "C" fn test_TuBigS(_: TuBigS) -> TuBigS { loop {} } +pub extern "C" fn test_TuBigS(_: TuBigS) -> TuBigS { + loop {} +} // CHECK: define{{.*}}void @test_TeBigS(ptr [[BIGS_RET_ATTRS1]] sret([64 x i8]) [[BIGS_RET_ATTRS2]], ptr // CHECK-NOT: byval // CHECK-SAME: %{{[0-9a-z_]+}}) #[no_mangle] -pub extern "C" fn test_TeBigS(_: TeBigS) -> TeBigS { loop {} } - +pub extern "C" fn test_TeBigS(_: TeBigS) -> TeBigS { + loop {} +} #[repr(C)] pub union BigU { @@ -80,22 +89,30 @@ pub enum TeBigU { // CHECK-NOT: byval // CHECK-SAME: %{{[0-9a-z_]+}}) #[no_mangle] -pub extern "C" fn test_BigU(_: BigU) -> BigU { loop {} } +pub extern "C" fn test_BigU(_: BigU) -> BigU { + loop {} +} // CHECK: define{{.*}}void @test_TsBigU(ptr [[BIGU_RET_ATTRS1:.*]] sret([64 x i8]) [[BIGU_RET_ATTRS2:.*]], ptr // CHECK-NOT: byval // CHECK-SAME: %{{[0-9a-z_]+}}) #[no_mangle] -pub extern "C" fn test_TsBigU(_: TsBigU) -> TsBigU { loop {} } +pub extern "C" fn test_TsBigU(_: TsBigU) -> TsBigU { + loop {} +} // CHECK: define{{.*}}void @test_TuBigU(ptr [[BIGU_RET_ATTRS1]] sret([64 x i8]) [[BIGU_RET_ATTRS2:.*]], ptr // CHECK-NOT: byval // CHECK-SAME: %{{[0-9a-z_]+}}) #[no_mangle] -pub extern "C" fn test_TuBigU(_: TuBigU) -> TuBigU { loop {} } +pub extern "C" fn test_TuBigU(_: TuBigU) -> TuBigU { + loop {} +} // CHECK: define{{.*}}void @test_TeBigU(ptr [[BIGU_RET_ATTRS1]] sret([64 x i8]) [[BIGU_RET_ATTRS2:.*]], ptr // CHECK-NOT: byval // CHECK-SAME: %{{[0-9a-z_]+}}) #[no_mangle] -pub extern "C" fn test_TeBigU(_: TeBigU) -> TeBigU { loop {} } +pub extern "C" fn test_TeBigU(_: TeBigU) -> TeBigU { + loop {} +} diff --git a/tests/codegen/repr/transparent-struct-ptr.rs b/tests/codegen/repr/transparent-struct-ptr.rs index 26f0120752f2..9cffd6c7f732 100644 --- a/tests/codegen/repr/transparent-struct-ptr.rs +++ b/tests/codegen/repr/transparent-struct-ptr.rs @@ -22,15 +22,17 @@ #![no_std] #![no_core] -#[lang="sized"] trait Sized { } -#[lang="freeze"] trait Freeze { } -#[lang="copy"] trait Copy { } +#[lang = "sized"] +trait Sized {} +#[lang = "freeze"] +trait Freeze {} +#[lang = "copy"] +trait Copy {} impl Copy for [u32; 16] {} impl Copy for BigS {} impl Copy for BigU {} - #[repr(C)] pub struct BigS([u32; 16]); @@ -49,20 +51,27 @@ pub enum TeBigS { // CHECK: define{{.*}}void @test_BigS(ptr [[BIGS_RET_ATTRS1:.*]] sret([64 x i8]) [[BIGS_RET_ATTRS2:.*]], ptr [[BIGS_ARG_ATTRS1:.*]] byval([64 x i8]) [[BIGS_ARG_ATTRS2:.*]]) #[no_mangle] -pub extern "C" fn test_BigS(_: BigS) -> BigS { loop {} } +pub extern "C" fn test_BigS(_: BigS) -> BigS { + loop {} +} // CHECK: define{{.*}}void @test_TsBigS(ptr [[BIGS_RET_ATTRS1]] sret([64 x i8]) [[BIGS_RET_ATTRS2]], ptr [[BIGS_ARG_ATTRS1]] byval([64 x i8]) [[BIGS_ARG_ATTRS2:.*]]) #[no_mangle] -pub extern "C" fn test_TsBigS(_: TsBigS) -> TsBigS { loop {} } +pub extern "C" fn test_TsBigS(_: TsBigS) -> TsBigS { + loop {} +} // CHECK: define{{.*}}void @test_TuBigS(ptr [[BIGS_RET_ATTRS1]] sret([64 x i8]) [[BIGS_RET_ATTRS2]], ptr [[BIGS_ARG_ATTRS1]] byval([64 x i8]) [[BIGS_ARG_ATTRS2:.*]]) #[no_mangle] -pub extern "C" fn test_TuBigS(_: TuBigS) -> TuBigS { loop {} } +pub extern "C" fn test_TuBigS(_: TuBigS) -> TuBigS { + loop {} +} // CHECK: define{{.*}}void @test_TeBigS(ptr [[BIGS_RET_ATTRS1]] sret([64 x i8]) [[BIGS_RET_ATTRS2]], ptr [[BIGS_ARG_ATTRS1]] byval([64 x i8]) [[BIGS_ARG_ATTRS2]]) #[no_mangle] -pub extern "C" fn test_TeBigS(_: TeBigS) -> TeBigS { loop {} } - +pub extern "C" fn test_TeBigS(_: TeBigS) -> TeBigS { + loop {} +} #[repr(C)] pub union BigU { @@ -84,16 +93,24 @@ pub enum TeBigU { // CHECK: define{{.*}}void @test_BigU(ptr [[BIGU_RET_ATTRS1:.*]] sret([64 x i8]) [[BIGU_RET_ATTRS2:.*]], ptr [[BIGU_ARG_ATTRS1:.*]] byval([64 x i8]) [[BIGU_ARG_ATTRS2:.*]]) #[no_mangle] -pub extern "C" fn test_BigU(_: BigU) -> BigU { loop {} } +pub extern "C" fn test_BigU(_: BigU) -> BigU { + loop {} +} // CHECK: define{{.*}}void @test_TsBigU(ptr [[BIGU_RET_ATTRS1:.*]] sret([64 x i8]) [[BIGU_RET_ATTRS2:.*]], ptr [[BIGU_ARG_ATTRS1]] byval([64 x i8]) [[BIGU_ARG_ATTRS2]]) #[no_mangle] -pub extern "C" fn test_TsBigU(_: TsBigU) -> TsBigU { loop {} } +pub extern "C" fn test_TsBigU(_: TsBigU) -> TsBigU { + loop {} +} // CHECK: define{{.*}}void @test_TuBigU(ptr [[BIGU_RET_ATTRS1]] sret([64 x i8]) [[BIGU_RET_ATTRS2:.*]], ptr [[BIGU_ARG_ATTRS1]] byval([64 x i8]) [[BIGU_ARG_ATTRS2]]) #[no_mangle] -pub extern "C" fn test_TuBigU(_: TuBigU) -> TuBigU { loop {} } +pub extern "C" fn test_TuBigU(_: TuBigU) -> TuBigU { + loop {} +} // CHECK: define{{.*}}void @test_TeBigU(ptr [[BIGU_RET_ATTRS1]] sret([64 x i8]) [[BIGU_RET_ATTRS2:.*]], ptr [[BIGU_ARG_ATTRS1]] byval([64 x i8]) [[BIGU_ARG_ATTRS2]]) #[no_mangle] -pub extern "C" fn test_TeBigU(_: TeBigU) -> TeBigU { loop {} } +pub extern "C" fn test_TeBigU(_: TeBigU) -> TeBigU { + loop {} +} diff --git a/tests/codegen/repr/transparent-sysv64.rs b/tests/codegen/repr/transparent-sysv64.rs index 1c7bca7ee406..afb06dcc1bdf 100644 --- a/tests/codegen/repr/transparent-sysv64.rs +++ b/tests/codegen/repr/transparent-sysv64.rs @@ -13,19 +13,28 @@ #![no_std] #![no_core] -#[lang="sized"] trait Sized { } -#[lang="freeze"] trait Freeze { } -#[lang="copy"] trait Copy { } +#[lang = "sized"] +trait Sized {} +#[lang = "freeze"] +trait Freeze {} +#[lang = "copy"] +trait Copy {} #[repr(C)] -pub struct Rgb8 { r: u8, g: u8, b: u8 } +pub struct Rgb8 { + r: u8, + g: u8, + b: u8, +} #[repr(transparent)] pub struct Rgb8Wrap(Rgb8); // CHECK: i24 @test_Rgb8Wrap(i24{{( %0)?}}) #[no_mangle] -pub extern "sysv64" fn test_Rgb8Wrap(_: Rgb8Wrap) -> Rgb8Wrap { loop {} } +pub extern "sysv64" fn test_Rgb8Wrap(_: Rgb8Wrap) -> Rgb8Wrap { + loop {} +} #[repr(C)] pub union FloatBits { @@ -38,4 +47,6 @@ pub struct SmallUnion(FloatBits); // CHECK: i32 @test_SmallUnion(i32{{( %0)?}}) #[no_mangle] -pub extern "sysv64" fn test_SmallUnion(_: SmallUnion) -> SmallUnion { loop {} } +pub extern "sysv64" fn test_SmallUnion(_: SmallUnion) -> SmallUnion { + loop {} +} diff --git a/tests/codegen/repr/transparent.rs b/tests/codegen/repr/transparent.rs index 17ec476035f2..4b41332db451 100644 --- a/tests/codegen/repr/transparent.rs +++ b/tests/codegen/repr/transparent.rs @@ -8,7 +8,7 @@ // For RISCV: see codegen/riscv-abi // For LoongArch: see codegen/loongarch-abi -#![crate_type="lib"] +#![crate_type = "lib"] #![feature(repr_simd, transparent_unions)] use std::marker::PhantomData; @@ -24,83 +24,112 @@ pub struct F32(f32); // CHECK: define{{.*}}float @test_F32(float noundef %_1) #[no_mangle] -pub extern "C" fn test_F32(_: F32) -> F32 { loop {} } +pub extern "C" fn test_F32(_: F32) -> F32 { + loop {} +} #[repr(transparent)] pub struct Ptr(*mut u8); // CHECK: define{{.*}}ptr @test_Ptr(ptr noundef %_1) #[no_mangle] -pub extern "C" fn test_Ptr(_: Ptr) -> Ptr { loop {} } +pub extern "C" fn test_Ptr(_: Ptr) -> Ptr { + loop {} +} #[repr(transparent)] pub struct WithZst(u64, Zst1); // CHECK: define{{.*}}i64 @test_WithZst(i64 noundef %_1) #[no_mangle] -pub extern "C" fn test_WithZst(_: WithZst) -> WithZst { loop {} } +pub extern "C" fn test_WithZst(_: WithZst) -> WithZst { + loop {} +} #[repr(transparent)] pub struct WithZeroSizedArray(*const f32, [i8; 0]); // CHECK: define{{.*}}ptr @test_WithZeroSizedArray(ptr noundef %_1) #[no_mangle] -pub extern "C" fn test_WithZeroSizedArray(_: WithZeroSizedArray) -> WithZeroSizedArray { loop {} } +pub extern "C" fn test_WithZeroSizedArray(_: WithZeroSizedArray) -> WithZeroSizedArray { + loop {} +} #[repr(transparent)] pub struct Generic(T); // CHECK: define{{.*}}double @test_Generic(double noundef %_1) #[no_mangle] -pub extern "C" fn test_Generic(_: Generic) -> Generic { loop {} } +pub extern "C" fn test_Generic(_: Generic) -> Generic { + loop {} +} #[repr(transparent)] pub struct GenericPlusZst(T, Zst2); #[repr(u8)] -pub enum Bool { True, False, FileNotFound } +pub enum Bool { + True, + False, + FileNotFound, +} // CHECK: define{{( dso_local)?}} noundef{{( zeroext)?}} i8 @test_Gpz(i8 noundef{{( zeroext)?}} %_1) #[no_mangle] -pub extern "C" fn test_Gpz(_: GenericPlusZst) -> GenericPlusZst { loop {} } +pub extern "C" fn test_Gpz(_: GenericPlusZst) -> GenericPlusZst { + loop {} +} #[repr(transparent)] pub struct LifetimePhantom<'a, T: 'a>(*const T, PhantomData<&'a T>); // CHECK: define{{.*}}ptr @test_LifetimePhantom(ptr noundef %_1) #[no_mangle] -pub extern "C" fn test_LifetimePhantom(_: LifetimePhantom) -> LifetimePhantom { loop {} } +pub extern "C" fn test_LifetimePhantom(_: LifetimePhantom) -> LifetimePhantom { + loop {} +} // This works despite current alignment resrictions because PhantomData is always align(1) #[repr(transparent)] -pub struct UnitPhantom { val: T, unit: PhantomData } +pub struct UnitPhantom { + val: T, + unit: PhantomData, +} pub struct Px; // CHECK: define{{.*}}float @test_UnitPhantom(float noundef %_1) #[no_mangle] -pub extern "C" fn test_UnitPhantom(_: UnitPhantom) -> UnitPhantom { loop {} } +pub extern "C" fn test_UnitPhantom(_: UnitPhantom) -> UnitPhantom { + loop {} +} #[repr(transparent)] pub struct TwoZsts(Zst1, i8, Zst2); // CHECK: define{{( dso_local)?}} noundef{{( signext)?}} i8 @test_TwoZsts(i8 noundef{{( signext)?}} %_1) #[no_mangle] -pub extern "C" fn test_TwoZsts(_: TwoZsts) -> TwoZsts { loop {} } +pub extern "C" fn test_TwoZsts(_: TwoZsts) -> TwoZsts { + loop {} +} #[repr(transparent)] pub struct Nested1(Zst2, Generic); // CHECK: define{{.*}}double @test_Nested1(double noundef %_1) #[no_mangle] -pub extern "C" fn test_Nested1(_: Nested1) -> Nested1 { loop {} } +pub extern "C" fn test_Nested1(_: Nested1) -> Nested1 { + loop {} +} #[repr(transparent)] pub struct Nested2(Nested1, Zst1); // CHECK: define{{.*}}double @test_Nested2(double noundef %_1) #[no_mangle] -pub extern "C" fn test_Nested2(_: Nested2) -> Nested2 { loop {} } +pub extern "C" fn test_Nested2(_: Nested2) -> Nested2 { + loop {} +} #[repr(simd)] struct f32x4(f32, f32, f32, f32); @@ -110,35 +139,47 @@ pub struct Vector(f32x4); // CHECK: define{{.*}}<4 x float> @test_Vector(<4 x float> %_1) #[no_mangle] -pub extern "C" fn test_Vector(_: Vector) -> Vector { loop {} } +pub extern "C" fn test_Vector(_: Vector) -> Vector { + loop {} +} -trait Mirror { type It: ?Sized; } -impl Mirror for T { type It = Self; } +trait Mirror { + type It: ?Sized; +} +impl Mirror for T { + type It = Self; +} #[repr(transparent)] pub struct StructWithProjection(::It); // CHECK: define{{.*}}float @test_Projection(float noundef %_1) #[no_mangle] -pub extern "C" fn test_Projection(_: StructWithProjection) -> StructWithProjection { loop {} } +pub extern "C" fn test_Projection(_: StructWithProjection) -> StructWithProjection { + loop {} +} #[repr(transparent)] pub enum EnumF32 { - Variant(F32) + Variant(F32), } // CHECK: define{{.*}}float @test_EnumF32(float noundef %_1) #[no_mangle] -pub extern "C" fn test_EnumF32(_: EnumF32) -> EnumF32 { loop {} } +pub extern "C" fn test_EnumF32(_: EnumF32) -> EnumF32 { + loop {} +} #[repr(transparent)] pub enum EnumF32WithZsts { - Variant(Zst1, F32, Zst2) + Variant(Zst1, F32, Zst2), } // CHECK: define{{.*}}float @test_EnumF32WithZsts(float noundef %_1) #[no_mangle] -pub extern "C" fn test_EnumF32WithZsts(_: EnumF32WithZsts) -> EnumF32WithZsts { loop {} } +pub extern "C" fn test_EnumF32WithZsts(_: EnumF32WithZsts) -> EnumF32WithZsts { + loop {} +} #[repr(transparent)] pub union UnionF32 { @@ -147,7 +188,9 @@ pub union UnionF32 { // CHECK: define{{.*}} float @test_UnionF32(float %_1) #[no_mangle] -pub extern "C" fn test_UnionF32(_: UnionF32) -> UnionF32 { loop {} } +pub extern "C" fn test_UnionF32(_: UnionF32) -> UnionF32 { + loop {} +} #[repr(transparent)] pub union UnionF32WithZsts { @@ -158,8 +201,9 @@ pub union UnionF32WithZsts { // CHECK: define{{.*}}float @test_UnionF32WithZsts(float %_1) #[no_mangle] -pub extern "C" fn test_UnionF32WithZsts(_: UnionF32WithZsts) -> UnionF32WithZsts { loop {} } - +pub extern "C" fn test_UnionF32WithZsts(_: UnionF32WithZsts) -> UnionF32WithZsts { + loop {} +} // All that remains to be tested are aggregates. They are tested in separate files called // transparent-*.rs with `only-*` or `ignore-*` directives, because the expected LLVM IR diff --git a/tests/codegen/riscv-abi/riscv64-lp64-lp64f-lp64d-abi.rs b/tests/codegen/riscv-abi/riscv64-lp64-lp64f-lp64d-abi.rs index 95c936ece730..977749ad578a 100644 --- a/tests/codegen/riscv-abi/riscv64-lp64-lp64f-lp64d-abi.rs +++ b/tests/codegen/riscv-abi/riscv64-lp64-lp64f-lp64d-abi.rs @@ -83,8 +83,7 @@ pub struct Tiny { // CHECK: define void @f_agg_tiny(i64 %0) #[no_mangle] -pub extern "C" fn f_agg_tiny(mut e: Tiny) { -} +pub extern "C" fn f_agg_tiny(mut e: Tiny) {} // CHECK: define i64 @f_agg_tiny_ret() #[no_mangle] @@ -100,8 +99,7 @@ pub struct Small { // CHECK: define void @f_agg_small([2 x i64] %0) #[no_mangle] -pub extern "C" fn f_agg_small(mut x: Small) { -} +pub extern "C" fn f_agg_small(mut x: Small) {} // CHECK: define [2 x i64] @f_agg_small_ret() #[no_mangle] @@ -116,8 +114,7 @@ pub struct SmallAligned { // CHECK: define void @f_agg_small_aligned(i128 %0) #[no_mangle] -pub extern "C" fn f_agg_small_aligned(mut x: SmallAligned) { -} +pub extern "C" fn f_agg_small_aligned(mut x: SmallAligned) {} #[repr(C)] pub struct Large { @@ -129,8 +126,7 @@ pub struct Large { // CHECK: define void @f_agg_large(ptr {{.*}}%x) #[no_mangle] -pub extern "C" fn f_agg_large(mut x: Large) { -} +pub extern "C" fn f_agg_large(mut x: Large) {} // CHECK: define void @f_agg_large_ret(ptr {{.*}}sret{{.*}}, i32 noundef signext %i, i8 noundef signext %j) #[no_mangle] diff --git a/tests/codegen/sanitizer/address-sanitizer-globals-tracking.rs b/tests/codegen/sanitizer/address-sanitizer-globals-tracking.rs index 8ffa235c18f1..f319306f93fd 100644 --- a/tests/codegen/sanitizer/address-sanitizer-globals-tracking.rs +++ b/tests/codegen/sanitizer/address-sanitizer-globals-tracking.rs @@ -23,7 +23,7 @@ //@[ASAN] compile-flags: //@[ASAN-FAT-LTO] compile-flags: -Cprefer-dynamic=false -Clto=fat -#![crate_type="staticlib"] +#![crate_type = "staticlib"] // The test below mimics `CACHED_POW10` from `library/core/src/num/flt2dec/strategy/grisu.rs` which // (because of incorrect handling of `___asan_globals_registered` during LTO) was incorrectly diff --git a/tests/codegen/sanitizer/cfi/add-canonical-jump-tables-flag.rs b/tests/codegen/sanitizer/cfi/add-canonical-jump-tables-flag.rs index f122fbdc0866..22577e2a3c46 100644 --- a/tests/codegen/sanitizer/cfi/add-canonical-jump-tables-flag.rs +++ b/tests/codegen/sanitizer/cfi/add-canonical-jump-tables-flag.rs @@ -3,9 +3,8 @@ //@ needs-sanitizer-cfi //@ compile-flags: -Clto -Ctarget-feature=-crt-static -Zsanitizer=cfi -#![crate_type="lib"] +#![crate_type = "lib"] -pub fn foo() { -} +pub fn foo() {} // CHECK: !{{[0-9]+}} = !{i32 4, !"CFI Canonical Jump Tables", i32 1} diff --git a/tests/codegen/sanitizer/cfi/add-enable-split-lto-unit-flag.rs b/tests/codegen/sanitizer/cfi/add-enable-split-lto-unit-flag.rs index 05eea13c6ee0..283b8f261029 100644 --- a/tests/codegen/sanitizer/cfi/add-enable-split-lto-unit-flag.rs +++ b/tests/codegen/sanitizer/cfi/add-enable-split-lto-unit-flag.rs @@ -3,9 +3,8 @@ //@ needs-sanitizer-cfi //@ compile-flags: -Clto -Ctarget-feature=-crt-static -Zsanitizer=cfi -#![crate_type="lib"] +#![crate_type = "lib"] -pub fn foo() { -} +pub fn foo() {} // CHECK: !{{[0-9]+}} = !{i32 4, !"EnableSplitLTOUnit", i32 1} diff --git a/tests/codegen/sanitizer/cfi/emit-type-checks-attr-no-sanitize.rs b/tests/codegen/sanitizer/cfi/emit-type-checks-attr-no-sanitize.rs index 9f72de2ebcc9..259967e89181 100644 --- a/tests/codegen/sanitizer/cfi/emit-type-checks-attr-no-sanitize.rs +++ b/tests/codegen/sanitizer/cfi/emit-type-checks-attr-no-sanitize.rs @@ -3,7 +3,7 @@ //@ needs-sanitizer-cfi //@ compile-flags: -Clto -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsanitizer=cfi -Copt-level=0 -#![crate_type="lib"] +#![crate_type = "lib"] #![feature(no_sanitize)] #[no_sanitize(cfi)] diff --git a/tests/codegen/sanitizer/cfi/emit-type-checks.rs b/tests/codegen/sanitizer/cfi/emit-type-checks.rs index 6ec6f0e5476d..37edbefee56a 100644 --- a/tests/codegen/sanitizer/cfi/emit-type-checks.rs +++ b/tests/codegen/sanitizer/cfi/emit-type-checks.rs @@ -3,7 +3,7 @@ //@ needs-sanitizer-cfi //@ compile-flags: -Clto -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsanitizer=cfi -Copt-level=0 -#![crate_type="lib"] +#![crate_type = "lib"] pub fn foo(f: fn(i32) -> i32, arg: i32) -> i32 { // CHECK-LABEL: define{{.*}}foo{{.*}}!type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} diff --git a/tests/codegen/sanitizer/cfi/emit-type-metadata-attr-cfi-encoding.rs b/tests/codegen/sanitizer/cfi/emit-type-metadata-attr-cfi-encoding.rs index be4af9b7962d..9bc2e42db0f6 100644 --- a/tests/codegen/sanitizer/cfi/emit-type-metadata-attr-cfi-encoding.rs +++ b/tests/codegen/sanitizer/cfi/emit-type-metadata-attr-cfi-encoding.rs @@ -3,13 +3,13 @@ //@ needs-sanitizer-cfi //@ compile-flags: -Clto -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsanitizer=cfi -Copt-level=0 -#![crate_type="lib"] +#![crate_type = "lib"] #![feature(cfi_encoding, extern_types)] #[cfi_encoding = "3Foo"] pub struct Type1(i32); -extern { +extern "C" { #[cfi_encoding = "3Bar"] type Type2; } @@ -25,35 +25,35 @@ pub struct Type4(i32); #[repr(transparent)] pub struct Type5(u32); -pub fn foo0(_: Type1) { } +pub fn foo0(_: Type1) {} // CHECK: define{{.*}}foo0{{.*}}!type ![[TYPE0:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo1(_: Type1, _: Type1) { } +pub fn foo1(_: Type1, _: Type1) {} // CHECK: define{{.*}}foo1{{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo2(_: Type1, _: Type1, _: Type1) { } +pub fn foo2(_: Type1, _: Type1, _: Type1) {} // CHECK: define{{.*}}foo2{{.*}}!type ![[TYPE2:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo3(_: *mut Type2) { } +pub fn foo3(_: *mut Type2) {} // CHECK: define{{.*}}foo3{{.*}}!type ![[TYPE3:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo4(_: *mut Type2, _: *mut Type2) { } +pub fn foo4(_: *mut Type2, _: *mut Type2) {} // CHECK: define{{.*}}foo4{{.*}}!type ![[TYPE4:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo5(_: *mut Type2, _: *mut Type2, _: *mut Type2) { } +pub fn foo5(_: *mut Type2, _: *mut Type2, _: *mut Type2) {} // CHECK: define{{.*}}foo5{{.*}}!type ![[TYPE5:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo6(_: *mut Type3) { } +pub fn foo6(_: *mut Type3) {} // CHECK: define{{.*}}foo6{{.*}}!type ![[TYPE6:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo7(_: *mut Type3, _: *mut Type3) { } +pub fn foo7(_: *mut Type3, _: *mut Type3) {} // CHECK: define{{.*}}foo7{{.*}}!type ![[TYPE7:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo8(_: *mut Type3, _: *mut Type3, _: *mut Type3) { } +pub fn foo8(_: *mut Type3, _: *mut Type3, _: *mut Type3) {} // CHECK: define{{.*}}foo8{{.*}}!type ![[TYPE8:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo9(_: Type4) { } +pub fn foo9(_: Type4) {} // CHECK: define{{.*}}foo9{{.*}}!type ![[TYPE9:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo10(_: Type4, _: Type4) { } +pub fn foo10(_: Type4, _: Type4) {} // CHECK: define{{.*}}foo10{{.*}}!type ![[TYPE10:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo11(_: Type4, _: Type4, _: Type4) { } +pub fn foo11(_: Type4, _: Type4, _: Type4) {} // CHECK: define{{.*}}foo11{{.*}}!type ![[TYPE11:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo12(_: Type5) { } +pub fn foo12(_: Type5) {} // CHECK: define{{.*}}foo12{{.*}}!type ![[TYPE12:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo13(_: Type5, _: Type5) { } +pub fn foo13(_: Type5, _: Type5) {} // CHECK: define{{.*}}foo13{{.*}}!type ![[TYPE13:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo14(_: Type5, _: Type5, _: Type5) { } +pub fn foo14(_: Type5, _: Type5, _: Type5) {} // CHECK: define{{.*}}foo14{{.*}}!type ![[TYPE14:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} // CHECK: ![[TYPE0]] = !{i64 0, !"_ZTSFv3FooE"} diff --git a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-const-generics.rs b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-const-generics.rs index 6608caca8af8..25dba97962ae 100644 --- a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-const-generics.rs +++ b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-const-generics.rs @@ -4,25 +4,26 @@ //@ needs-sanitizer-cfi //@ compile-flags: -Clto -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsanitizer=cfi -Copt-level=0 -#![crate_type="lib"] +#![crate_type = "lib"] #![feature(type_alias_impl_trait)] extern crate core; pub type Type1 = impl Send; -pub fn foo() where +pub fn foo() +where Type1: 'static, { pub struct Foo([T; N]); let _: Type1 = Foo([0; 32]); } -pub fn foo1(_: Type1) { } +pub fn foo1(_: Type1) {} // CHECK: define{{.*}}4foo1{{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo2(_: Type1, _: Type1) { } +pub fn foo2(_: Type1, _: Type1) {} // CHECK: define{{.*}}4foo2{{.*}}!type ![[TYPE2:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo3(_: Type1, _: Type1, _: Type1) { } +pub fn foo3(_: Type1, _: Type1, _: Type1) {} // CHECK: define{{.*}}4foo3{{.*}}!type ![[TYPE3:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} // CHECK: ![[TYPE1]] = !{i64 0, !"_ZTSFvu{{[0-9]+}}NtNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo3FooIu3i32Lu5usize32EEE"} diff --git a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-drop-in-place.rs b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-drop-in-place.rs index 3ec1988edd6e..2a7eca6fc196 100644 --- a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-drop-in-place.rs +++ b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-drop-in-place.rs @@ -3,7 +3,7 @@ //@ needs-sanitizer-cfi //@ compile-flags: -Clto -Cno-prepopulate-passes -Copt-level=0 -Zsanitizer=cfi -Ctarget-feature=-crt-static -#![crate_type="lib"] +#![crate_type = "lib"] // CHECK-LABEL: define{{.*}}4core3ptr47drop_in_place$LT$dyn$u20$core..marker..Send$GT$ // CHECK-SAME: {{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} diff --git a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-function-types.rs b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-function-types.rs index c5dadf70de95..7e60aafff680 100644 --- a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-function-types.rs +++ b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-function-types.rs @@ -4,29 +4,29 @@ //@ needs-sanitizer-cfi //@ compile-flags: -Clto -Cno-prepopulate-passes -Copt-level=0 -Zsanitizer=cfi -Ctarget-feature=-crt-static -#![crate_type="lib"] +#![crate_type = "lib"] -pub fn foo1(_: fn(i32) -> i32) { } +pub fn foo1(_: fn(i32) -> i32) {} // CHECK: define{{.*}}4foo1{{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo2(_: fn(i32) -> i32, _: fn(i32) -> i32) { } +pub fn foo2(_: fn(i32) -> i32, _: fn(i32) -> i32) {} // CHECK: define{{.*}}4foo2{{.*}}!type ![[TYPE2:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo3(_: fn(i32) -> i32, _: fn(i32) -> i32, _: fn(i32) -> i32) { } +pub fn foo3(_: fn(i32) -> i32, _: fn(i32) -> i32, _: fn(i32) -> i32) {} // CHECK: define{{.*}}4foo3{{.*}}!type ![[TYPE3:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo4(_: &dyn Fn(i32) -> i32) { } +pub fn foo4(_: &dyn Fn(i32) -> i32) {} // CHECK: define{{.*}}4foo4{{.*}}!type ![[TYPE4:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo5(_: &dyn Fn(i32) -> i32, _: &dyn Fn(i32) -> i32) { } +pub fn foo5(_: &dyn Fn(i32) -> i32, _: &dyn Fn(i32) -> i32) {} // CHECK: define{{.*}}4foo5{{.*}}!type ![[TYPE5:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo6(_: &dyn Fn(i32) -> i32, _: &dyn Fn(i32) -> i32, _: &dyn Fn(i32) -> i32) { } +pub fn foo6(_: &dyn Fn(i32) -> i32, _: &dyn Fn(i32) -> i32, _: &dyn Fn(i32) -> i32) {} // CHECK: define{{.*}}4foo6{{.*}}!type ![[TYPE6:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo7(_: &dyn FnMut(i32) -> i32) { } +pub fn foo7(_: &dyn FnMut(i32) -> i32) {} // CHECK: define{{.*}}4foo7{{.*}}!type ![[TYPE7:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo8(_: &dyn FnMut(i32) -> i32, _: &dyn FnMut(i32) -> i32) { } +pub fn foo8(_: &dyn FnMut(i32) -> i32, _: &dyn FnMut(i32) -> i32) {} // CHECK: define{{.*}}4foo8{{.*}}!type ![[TYPE8:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo9(_: &dyn FnMut(i32) -> i32, _: &dyn FnMut(i32) -> i32, _: &dyn FnMut(i32) -> i32) { } +pub fn foo9(_: &dyn FnMut(i32) -> i32, _: &dyn FnMut(i32) -> i32, _: &dyn FnMut(i32) -> i32) {} // CHECK: define{{.*}}4foo9{{.*}}!type ![[TYPE9:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo10(_: &dyn FnOnce(i32) -> i32) { } +pub fn foo10(_: &dyn FnOnce(i32) -> i32) {} // CHECK: define{{.*}}5foo10{{.*}}!type ![[TYPE10:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo11(_: &dyn FnOnce(i32) -> i32, _: &dyn FnOnce(i32) -> i32) { } +pub fn foo11(_: &dyn FnOnce(i32) -> i32, _: &dyn FnOnce(i32) -> i32) {} // CHECK: define{{.*}}5foo11{{.*}}!type ![[TYPE11:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} pub fn foo12(_: &dyn FnOnce(i32) -> i32, _: &dyn FnOnce(i32) -> i32, _: &dyn FnOnce(i32) -> i32) {} // CHECK: define{{.*}}5foo12{{.*}}!type ![[TYPE12:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} diff --git a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-lifetimes.rs b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-lifetimes.rs index 4d08c0c3039a..3ef119fd905a 100644 --- a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-lifetimes.rs +++ b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-lifetimes.rs @@ -4,14 +4,15 @@ //@ needs-sanitizer-cfi //@ compile-flags: -Clto -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsanitizer=cfi -Copt-level=0 -#![crate_type="lib"] +#![crate_type = "lib"] #![feature(type_alias_impl_trait)] extern crate core; pub type Type1 = impl Send; -pub fn foo<'a>() where +pub fn foo<'a>() +where Type1: 'static, { pub struct Foo<'a>(&'a i32); @@ -19,9 +20,9 @@ pub fn foo<'a>() where let _: Type1 = Bar; } -pub fn foo1(_: Type1) { } +pub fn foo1(_: Type1) {} // CHECK: define{{.*}}4foo1{{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo2(_: Type1, _: Type1) { } +pub fn foo2(_: Type1, _: Type1) {} // CHECK: define{{.*}}4foo2{{.*}}!type ![[TYPE2:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo3(_: Type1, _: Type1, _: Type1) { } +pub fn foo3(_: Type1, _: Type1, _: Type1) {} // CHECK: define{{.*}}4foo3{{.*}}!type ![[TYPE3:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} diff --git a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-method-secondary-typeid.rs b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-method-secondary-typeid.rs index 671db563dde7..9d611777ff0b 100644 --- a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-method-secondary-typeid.rs +++ b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-method-secondary-typeid.rs @@ -4,7 +4,7 @@ //@ needs-sanitizer-cfi //@ compile-flags: -Clto -Cno-prepopulate-passes -Copt-level=0 -Zsanitizer=cfi -Ctarget-feature=-crt-static -#![crate_type="lib"] +#![crate_type = "lib"] trait Trait1 { fn foo(&self); @@ -17,6 +17,5 @@ impl Trait1 for Type1 { // CHECK: define{{.*}}3foo{{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type ![[TYPE2:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} } - // CHECK: ![[TYPE1]] = !{i64 0, !"_ZTSFvu3refIu3dynIu{{[0-9]+}}NtC{{[[:print:]]+}}_{{[[:print:]]+}}6Trait1u6regionEEE"} // CHECK: ![[TYPE2]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NtC{{[[:print:]]+}}_{{[[:print:]]+}}5Type1EE"} diff --git a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-pointer-types.rs b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-pointer-types.rs index 6ad6f3ac3489..d37bb740f550 100644 --- a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-pointer-types.rs +++ b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-pointer-types.rs @@ -4,37 +4,37 @@ //@ needs-sanitizer-cfi //@ compile-flags: -Clto -Cno-prepopulate-passes -Copt-level=0 -Zsanitizer=cfi -Ctarget-feature=-crt-static -#![crate_type="lib"] +#![crate_type = "lib"] -pub fn foo1(_: &mut i32) { } +pub fn foo1(_: &mut i32) {} // CHECK: define{{.*}}4foo1{{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo2(_: &mut i32, _: &i32) { } +pub fn foo2(_: &mut i32, _: &i32) {} // CHECK: define{{.*}}4foo2{{.*}}!type ![[TYPE2:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo3(_: &mut i32, _: &i32, _: &i32) { } +pub fn foo3(_: &mut i32, _: &i32, _: &i32) {} // CHECK: define{{.*}}4foo3{{.*}}!type ![[TYPE3:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo4(_: &i32) { } +pub fn foo4(_: &i32) {} // CHECK: define{{.*}}4foo4{{.*}}!type ![[TYPE4:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo5(_: &i32, _: &mut i32) { } +pub fn foo5(_: &i32, _: &mut i32) {} // CHECK: define{{.*}}4foo5{{.*}}!type ![[TYPE5:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo6(_: &i32, _: &mut i32, _: &mut i32) { } +pub fn foo6(_: &i32, _: &mut i32, _: &mut i32) {} // CHECK: define{{.*}}4foo6{{.*}}!type ![[TYPE6:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo7(_: *mut i32) { } +pub fn foo7(_: *mut i32) {} // CHECK: define{{.*}}4foo7{{.*}}!type ![[TYPE7:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo8(_: *mut i32, _: *const i32) { } +pub fn foo8(_: *mut i32, _: *const i32) {} // CHECK: define{{.*}}4foo8{{.*}}!type ![[TYPE8:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo9(_: *mut i32, _: *const i32, _: *const i32) { } +pub fn foo9(_: *mut i32, _: *const i32, _: *const i32) {} // CHECK: define{{.*}}4foo9{{.*}}!type ![[TYPE9:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo10(_: *const i32) { } +pub fn foo10(_: *const i32) {} // CHECK: define{{.*}}5foo10{{.*}}!type ![[TYPE10:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo11(_: *const i32, _: *mut i32) { } +pub fn foo11(_: *const i32, _: *mut i32) {} // CHECK: define{{.*}}5foo11{{.*}}!type ![[TYPE11:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo12(_: *const i32, _: *mut i32, _: *mut i32) { } +pub fn foo12(_: *const i32, _: *mut i32, _: *mut i32) {} // CHECK: define{{.*}}5foo12{{.*}}!type ![[TYPE12:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo13(_: fn(i32) -> i32) { } +pub fn foo13(_: fn(i32) -> i32) {} // CHECK: define{{.*}}5foo13{{.*}}!type ![[TYPE13:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo14(_: fn(i32) -> i32, _: fn(i32) -> i32) { } +pub fn foo14(_: fn(i32) -> i32, _: fn(i32) -> i32) {} // CHECK: define{{.*}}5foo14{{.*}}!type ![[TYPE14:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo15(_: fn(i32) -> i32, _: fn(i32) -> i32, _: fn(i32) -> i32) { } +pub fn foo15(_: fn(i32) -> i32, _: fn(i32) -> i32, _: fn(i32) -> i32) {} // CHECK: define{{.*}}5foo15{{.*}}!type ![[TYPE15:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} // CHECK: ![[TYPE1]] = !{i64 0, !"_ZTSFvU3mutu3refIu3i32EE"} diff --git a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-primitive-types.rs b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-primitive-types.rs index 38f507856bde..7d9e4d058727 100644 --- a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-primitive-types.rs +++ b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-primitive-types.rs @@ -4,130 +4,130 @@ //@ needs-sanitizer-cfi //@ compile-flags: -Clto -Cno-prepopulate-passes -Copt-level=0 -Zsanitizer=cfi -Ctarget-feature=-crt-static -#![crate_type="lib"] +#![crate_type = "lib"] extern crate core; use core::ffi::*; -pub fn foo1(_: ()) { } +pub fn foo1(_: ()) {} // CHECK: define{{.*}}4foo1{{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo2(_: (), _: c_void) { } +pub fn foo2(_: (), _: c_void) {} // CHECK: define{{.*}}4foo2{{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo3(_: (), _: c_void, _: c_void) { } +pub fn foo3(_: (), _: c_void, _: c_void) {} // CHECK: define{{.*}}4foo3{{.*}}!type ![[TYPE2:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo4(_: *mut ()) { } +pub fn foo4(_: *mut ()) {} // CHECK: define{{.*}}4foo4{{.*}}!type ![[TYPE4:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo5(_: *mut (), _: *mut c_void) { } +pub fn foo5(_: *mut (), _: *mut c_void) {} // CHECK: define{{.*}}4foo5{{.*}}!type ![[TYPE5:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo6(_: *mut (), _: *mut c_void, _: *mut c_void) { } +pub fn foo6(_: *mut (), _: *mut c_void, _: *mut c_void) {} // CHECK: define{{.*}}4foo6{{.*}}!type ![[TYPE6:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo7(_: *const ()) { } +pub fn foo7(_: *const ()) {} // CHECK: define{{.*}}4foo7{{.*}}!type ![[TYPE7:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo8(_: *const (), _: *const c_void) { } +pub fn foo8(_: *const (), _: *const c_void) {} // CHECK: define{{.*}}4foo8{{.*}}!type ![[TYPE8:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo9(_: *const (), _: *const c_void, _: *const c_void) { } +pub fn foo9(_: *const (), _: *const c_void, _: *const c_void) {} // CHECK: define{{.*}}4foo9{{.*}}!type ![[TYPE9:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo10(_: bool) { } +pub fn foo10(_: bool) {} // CHECK: define{{.*}}5foo10{{.*}}!type ![[TYPE10:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo11(_: bool, _: bool) { } +pub fn foo11(_: bool, _: bool) {} // CHECK: define{{.*}}5foo11{{.*}}!type ![[TYPE11:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo12(_: bool, _: bool, _: bool) { } +pub fn foo12(_: bool, _: bool, _: bool) {} // CHECK: define{{.*}}5foo12{{.*}}!type ![[TYPE12:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo13(_: i8) { } +pub fn foo13(_: i8) {} // CHECK: define{{.*}}5foo13{{.*}}!type ![[TYPE13:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo14(_: i8, _: i8) { } +pub fn foo14(_: i8, _: i8) {} // CHECK: define{{.*}}5foo14{{.*}}!type ![[TYPE14:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo15(_: i8, _: i8, _: i8) { } +pub fn foo15(_: i8, _: i8, _: i8) {} // CHECK: define{{.*}}5foo15{{.*}}!type ![[TYPE15:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo16(_: i16) { } +pub fn foo16(_: i16) {} // CHECK: define{{.*}}5foo16{{.*}}!type ![[TYPE16:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo17(_: i16, _: i16) { } +pub fn foo17(_: i16, _: i16) {} // CHECK: define{{.*}}5foo17{{.*}}!type ![[TYPE17:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo18(_: i16, _: i16, _: i16) { } +pub fn foo18(_: i16, _: i16, _: i16) {} // CHECK: define{{.*}}5foo18{{.*}}!type ![[TYPE18:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo19(_: i32) { } +pub fn foo19(_: i32) {} // CHECK: define{{.*}}5foo19{{.*}}!type ![[TYPE19:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo20(_: i32, _: i32) { } +pub fn foo20(_: i32, _: i32) {} // CHECK: define{{.*}}5foo20{{.*}}!type ![[TYPE20:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo21(_: i32, _: i32, _: i32) { } +pub fn foo21(_: i32, _: i32, _: i32) {} // CHECK: define{{.*}}5foo21{{.*}}!type ![[TYPE21:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo22(_: i64) { } +pub fn foo22(_: i64) {} // CHECK: define{{.*}}5foo22{{.*}}!type ![[TYPE22:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo23(_: i64, _: i64) { } +pub fn foo23(_: i64, _: i64) {} // CHECK: define{{.*}}5foo23{{.*}}!type ![[TYPE23:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo24(_: i64, _: i64, _: i64) { } +pub fn foo24(_: i64, _: i64, _: i64) {} // CHECK: define{{.*}}5foo24{{.*}}!type ![[TYPE24:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo25(_: i128) { } +pub fn foo25(_: i128) {} // CHECK: define{{.*}}5foo25{{.*}}!type ![[TYPE25:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo26(_: i128, _: i128) { } +pub fn foo26(_: i128, _: i128) {} // CHECK: define{{.*}}5foo26{{.*}}!type ![[TYPE26:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo27(_: i128, _: i128, _: i128) { } +pub fn foo27(_: i128, _: i128, _: i128) {} // CHECK: define{{.*}}5foo27{{.*}}!type ![[TYPE27:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo28(_: isize) { } +pub fn foo28(_: isize) {} // CHECK: define{{.*}}5foo28{{.*}}!type ![[TYPE28:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo29(_: isize, _: isize) { } +pub fn foo29(_: isize, _: isize) {} // CHECK: define{{.*}}5foo29{{.*}}!type ![[TYPE29:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo30(_: isize, _: isize, _: isize) { } +pub fn foo30(_: isize, _: isize, _: isize) {} // CHECK: define{{.*}}5foo30{{.*}}!type ![[TYPE30:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo31(_: u8) { } +pub fn foo31(_: u8) {} // CHECK: define{{.*}}5foo31{{.*}}!type ![[TYPE31:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo32(_: u8, _: u8) { } +pub fn foo32(_: u8, _: u8) {} // CHECK: define{{.*}}5foo32{{.*}}!type ![[TYPE32:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo33(_: u8, _: u8, _: u8) { } +pub fn foo33(_: u8, _: u8, _: u8) {} // CHECK: define{{.*}}5foo33{{.*}}!type ![[TYPE33:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo34(_: u16) { } +pub fn foo34(_: u16) {} // CHECK: define{{.*}}5foo34{{.*}}!type ![[TYPE34:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo35(_: u16, _: u16) { } +pub fn foo35(_: u16, _: u16) {} // CHECK: define{{.*}}5foo35{{.*}}!type ![[TYPE35:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo36(_: u16, _: u16, _: u16) { } +pub fn foo36(_: u16, _: u16, _: u16) {} // CHECK: define{{.*}}5foo36{{.*}}!type ![[TYPE36:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo37(_: u32) { } +pub fn foo37(_: u32) {} // CHECK: define{{.*}}5foo37{{.*}}!type ![[TYPE37:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo38(_: u32, _: u32) { } +pub fn foo38(_: u32, _: u32) {} // CHECK: define{{.*}}5foo38{{.*}}!type ![[TYPE38:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo39(_: u32, _: u32, _: u32) { } +pub fn foo39(_: u32, _: u32, _: u32) {} // CHECK: define{{.*}}5foo39{{.*}}!type ![[TYPE39:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo40(_: u64) { } +pub fn foo40(_: u64) {} // CHECK: define{{.*}}5foo40{{.*}}!type ![[TYPE40:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo41(_: u64, _: u64) { } +pub fn foo41(_: u64, _: u64) {} // CHECK: define{{.*}}5foo41{{.*}}!type ![[TYPE41:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo42(_: u64, _: u64, _: u64) { } +pub fn foo42(_: u64, _: u64, _: u64) {} // CHECK: define{{.*}}5foo42{{.*}}!type ![[TYPE42:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo43(_: u128) { } +pub fn foo43(_: u128) {} // CHECK: define{{.*}}5foo43{{.*}}!type ![[TYPE43:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo44(_: u128, _: u128) { } +pub fn foo44(_: u128, _: u128) {} // CHECK: define{{.*}}5foo44{{.*}}!type ![[TYPE44:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo45(_: u128, _: u128, _: u128) { } +pub fn foo45(_: u128, _: u128, _: u128) {} // CHECK: define{{.*}}5foo45{{.*}}!type ![[TYPE45:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo46(_: usize) { } +pub fn foo46(_: usize) {} // CHECK: define{{.*}}5foo46{{.*}}!type ![[TYPE46:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo47(_: usize, _: usize) { } +pub fn foo47(_: usize, _: usize) {} // CHECK: define{{.*}}5foo47{{.*}}!type ![[TYPE47:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo48(_: usize, _: usize, _: usize) { } +pub fn foo48(_: usize, _: usize, _: usize) {} // CHECK: define{{.*}}5foo48{{.*}}!type ![[TYPE48:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo49(_: f32) { } +pub fn foo49(_: f32) {} // CHECK: define{{.*}}5foo49{{.*}}!type ![[TYPE49:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo50(_: f32, _: f32) { } +pub fn foo50(_: f32, _: f32) {} // CHECK: define{{.*}}5foo50{{.*}}!type ![[TYPE50:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo51(_: f32, _: f32, _: f32) { } +pub fn foo51(_: f32, _: f32, _: f32) {} // CHECK: define{{.*}}5foo51{{.*}}!type ![[TYPE51:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo52(_: f64) { } +pub fn foo52(_: f64) {} // CHECK: define{{.*}}5foo52{{.*}}!type ![[TYPE52:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo53(_: f64, _: f64) { } +pub fn foo53(_: f64, _: f64) {} // CHECK: define{{.*}}5foo53{{.*}}!type ![[TYPE53:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo54(_: f64, _: f64, _: f64) { } +pub fn foo54(_: f64, _: f64, _: f64) {} // CHECK: define{{.*}}5foo54{{.*}}!type ![[TYPE54:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo55(_: char) { } +pub fn foo55(_: char) {} // CHECK: define{{.*}}5foo55{{.*}}!type ![[TYPE55:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo56(_: char, _: char) { } +pub fn foo56(_: char, _: char) {} // CHECK: define{{.*}}5foo56{{.*}}!type ![[TYPE56:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo57(_: char, _: char, _: char) { } +pub fn foo57(_: char, _: char, _: char) {} // CHECK: define{{.*}}5foo57{{.*}}!type ![[TYPE57:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo58(_: &str) { } +pub fn foo58(_: &str) {} // CHECK: define{{.*}}5foo58{{.*}}!type ![[TYPE58:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo59(_: &str, _: &str) { } +pub fn foo59(_: &str, _: &str) {} // CHECK: define{{.*}}5foo59{{.*}}!type ![[TYPE59:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo60(_: &str, _: &str, _: &str) { } +pub fn foo60(_: &str, _: &str, _: &str) {} // CHECK: define{{.*}}5foo60{{.*}}!type ![[TYPE60:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} // CHECK: ![[TYPE1]] = !{i64 0, !"_ZTSFvvE"} diff --git a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-repr-transparent-types.rs b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-repr-transparent-types.rs index 1332338b26ab..0f97c70f3f92 100644 --- a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-repr-transparent-types.rs +++ b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-repr-transparent-types.rs @@ -4,7 +4,7 @@ //@ needs-sanitizer-cfi //@ compile-flags: -Clto -Cno-prepopulate-passes -Copt-level=0 -Zsanitizer=cfi -Ctarget-feature=-crt-static -#![crate_type="lib"] +#![crate_type = "lib"] extern crate core; use core::ffi::*; @@ -40,32 +40,31 @@ pub struct Type4(Type4Helper); #[repr(transparent)] pub struct Type4Helper(*mut T); -pub fn foo1(_: Type1) { } +pub fn foo1(_: Type1) {} // CHECK: define{{.*}}4foo1{{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo2(_: Type1, _: Type1) { } +pub fn foo2(_: Type1, _: Type1) {} // CHECK: define{{.*}}4foo2{{.*}}!type ![[TYPE2:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo3(_: Type1, _: Type1, _: Type1) { } +pub fn foo3(_: Type1, _: Type1, _: Type1) {} // CHECK: define{{.*}}4foo3{{.*}}!type ![[TYPE3:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo4(_: Type2) { } +pub fn foo4(_: Type2) {} // CHECK: define{{.*}}4foo4{{.*}}!type ![[TYPE4:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo5(_: Type2, _: Type2) { } +pub fn foo5(_: Type2, _: Type2) {} // CHECK: define{{.*}}4foo5{{.*}}!type ![[TYPE5:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo6(_: Type2, _: Type2, _: Type2) { } +pub fn foo6(_: Type2, _: Type2, _: Type2) {} // CHECK: define{{.*}}4foo6{{.*}}!type ![[TYPE6:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo7(_: Type3) { } +pub fn foo7(_: Type3) {} // CHECK: define{{.*}}4foo7{{.*}}!type ![[TYPE7:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo8(_: Type3, _: Type3) { } +pub fn foo8(_: Type3, _: Type3) {} // CHECK: define{{.*}}4foo8{{.*}}!type ![[TYPE8:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo9(_: Type3, _: Type3, _: Type3) { } +pub fn foo9(_: Type3, _: Type3, _: Type3) {} // CHECK: define{{.*}}4foo9{{.*}}!type ![[TYPE9:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo10(_: Type4) { } +pub fn foo10(_: Type4) {} // CHECK: define{{.*}}5foo10{{.*}}!type ![[TYPE10:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo11(_: Type4, _: Type4) { } +pub fn foo11(_: Type4, _: Type4) {} // CHECK: define{{.*}}5foo11{{.*}}!type ![[TYPE11:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo12(_: Type4, _: Type4, _: Type4) { } +pub fn foo12(_: Type4, _: Type4, _: Type4) {} // CHECK: define{{.*}}5foo12{{.*}}!type ![[TYPE12:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} - // CHECK: ![[TYPE1]] = !{i64 0, !"_ZTSFvu{{[0-9]+}}NtC{{[[:print:]]+}}_{{[[:print:]]+}}3FooE"} // CHECK: ![[TYPE2]] = !{i64 0, !"_ZTSFvu{{[0-9]+}}NtC{{[[:print:]]+}}_{{[[:print:]]+}}3FooS_E"} // CHECK: ![[TYPE3]] = !{i64 0, !"_ZTSFvu{{[0-9]+}}NtC{{[[:print:]]+}}_{{[[:print:]]+}}3FooS_S_E"} diff --git a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-sequence-types.rs b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-sequence-types.rs index dd2e05dd2ec6..bdee3f47a837 100644 --- a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-sequence-types.rs +++ b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-sequence-types.rs @@ -4,25 +4,25 @@ //@ needs-sanitizer-cfi //@ compile-flags: -Clto -Cno-prepopulate-passes -Copt-level=0 -Zsanitizer=cfi -Ctarget-feature=-crt-static -#![crate_type="lib"] +#![crate_type = "lib"] -pub fn foo1(_: (i32, i32)) { } +pub fn foo1(_: (i32, i32)) {} // CHECK: define{{.*}}4foo1{{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo2(_: (i32, i32), _: (i32, i32)) { } +pub fn foo2(_: (i32, i32), _: (i32, i32)) {} // CHECK: define{{.*}}4foo2{{.*}}!type ![[TYPE2:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo3(_: (i32, i32), _: (i32, i32), _: (i32, i32)) { } +pub fn foo3(_: (i32, i32), _: (i32, i32), _: (i32, i32)) {} // CHECK: define{{.*}}4foo3{{.*}}!type ![[TYPE3:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo4(_: [i32; 32]) { } +pub fn foo4(_: [i32; 32]) {} // CHECK: define{{.*}}4foo4{{.*}}!type ![[TYPE4:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo5(_: [i32; 32], _: [i32; 32]) { } +pub fn foo5(_: [i32; 32], _: [i32; 32]) {} // CHECK: define{{.*}}4foo5{{.*}}!type ![[TYPE5:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo6(_: [i32; 32], _: [i32; 32], _: [i32; 32]) { } +pub fn foo6(_: [i32; 32], _: [i32; 32], _: [i32; 32]) {} // CHECK: define{{.*}}4foo6{{.*}}!type ![[TYPE6:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo7(_: &[i32]) { } +pub fn foo7(_: &[i32]) {} // CHECK: define{{.*}}4foo7{{.*}}!type ![[TYPE7:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo8(_: &[i32], _: &[i32]) { } +pub fn foo8(_: &[i32], _: &[i32]) {} // CHECK: define{{.*}}4foo8{{.*}}!type ![[TYPE8:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo9(_: &[i32], _: &[i32], _: &[i32]) { } +pub fn foo9(_: &[i32], _: &[i32], _: &[i32]) {} // CHECK: define{{.*}}4foo9{{.*}}!type ![[TYPE9:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} // CHECK: ![[TYPE1]] = !{i64 0, !"_ZTSFvu5tupleIu3i32S_EE"} diff --git a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-trait-types.rs b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-trait-types.rs index 6d9fe7040f70..55e816178f8f 100644 --- a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-trait-types.rs +++ b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-trait-types.rs @@ -4,7 +4,7 @@ //@ needs-sanitizer-cfi //@ compile-flags: -Clto -Cno-prepopulate-passes -Copt-level=0 -Zsanitizer=cfi -Ctarget-feature=-crt-static -#![crate_type="lib"] +#![crate_type = "lib"] extern crate core; @@ -16,8 +16,7 @@ pub trait Trait1 { pub struct Type1; impl Trait1 for Type1 { - fn foo(&self) { - } + fn foo(&self) {} } pub trait Trait2 { @@ -27,8 +26,7 @@ pub trait Trait2 { pub struct Type2; impl Trait2 for Type2 { - fn bar(&self) { - } + fn bar(&self) {} } pub trait Trait3 { @@ -38,8 +36,7 @@ pub trait Trait3 { pub struct Type3; impl Trait3 for T { - fn baz(&self, _: &U) { - } + fn baz(&self, _: &U) {} } pub trait Trait4<'a, T> { @@ -64,71 +61,88 @@ pub trait Trait5 { pub struct Type5; impl Trait5 for T { - fn quux(&self, _: &[U; N]) { - } + fn quux(&self, _: &[U; N]) {} } -pub fn foo1(_: &dyn Send) { } +pub fn foo1(_: &dyn Send) {} // CHECK: define{{.*}}4foo1{{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo2(_: &dyn Send, _: &dyn Send) { } +pub fn foo2(_: &dyn Send, _: &dyn Send) {} // CHECK: define{{.*}}4foo2{{.*}}!type ![[TYPE2:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo3(_: &dyn Send, _: &dyn Send, _: &dyn Send) { } +pub fn foo3(_: &dyn Send, _: &dyn Send, _: &dyn Send) {} // CHECK: define{{.*}}4foo3{{.*}}!type ![[TYPE3:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo4(_: &(dyn Send + Sync)) { } +pub fn foo4(_: &(dyn Send + Sync)) {} // CHECK: define{{.*}}4foo4{{.*}}!type ![[TYPE4:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo5(_: &(dyn Send + Sync), _: &(dyn Sync + Send)) { } +pub fn foo5(_: &(dyn Send + Sync), _: &(dyn Sync + Send)) {} // CHECK: define{{.*}}4foo5{{.*}}!type ![[TYPE5:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo6(_: &(dyn Send + Sync), _: &(dyn Sync + Send), _: &(dyn Sync + Send)) { } +pub fn foo6(_: &(dyn Send + Sync), _: &(dyn Sync + Send), _: &(dyn Sync + Send)) {} // CHECK: define{{.*}}4foo6{{.*}}!type ![[TYPE6:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo7(_: &(dyn Trait1 + Send)) { } +pub fn foo7(_: &(dyn Trait1 + Send)) {} // CHECK: define{{.*}}4foo7{{.*}}!type ![[TYPE7:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo8(_: &(dyn Trait1 + Send), _: &(dyn Trait1 + Send)) { } +pub fn foo8(_: &(dyn Trait1 + Send), _: &(dyn Trait1 + Send)) {} // CHECK: define{{.*}}4foo8{{.*}}!type ![[TYPE8:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo9(_: &(dyn Trait1 + Send), _: &(dyn Trait1 + Send), _: &(dyn Trait1 + Send)) { } +pub fn foo9(_: &(dyn Trait1 + Send), _: &(dyn Trait1 + Send), _: &(dyn Trait1 + Send)) {} // CHECK: define{{.*}}4foo9{{.*}}!type ![[TYPE9:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo10(_: &(dyn Trait1 + Send + Sync)) { } +pub fn foo10(_: &(dyn Trait1 + Send + Sync)) {} // CHECK: define{{.*}}5foo10{{.*}}!type ![[TYPE10:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo11(_: &(dyn Trait1 + Send + Sync), _: &(dyn Trait1 + Sync + Send)) { } +pub fn foo11(_: &(dyn Trait1 + Send + Sync), _: &(dyn Trait1 + Sync + Send)) {} // CHECK: define{{.*}}5foo11{{.*}}!type ![[TYPE11:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo12(_: &(dyn Trait1 + Send + Sync), - _: &(dyn Trait1 + Sync + Send), - _: &(dyn Trait1 + Sync + Send)) { } +pub fn foo12( + _: &(dyn Trait1 + Send + Sync), + _: &(dyn Trait1 + Sync + Send), + _: &(dyn Trait1 + Sync + Send), +) { +} // CHECK: define{{.*}}5foo12{{.*}}!type ![[TYPE12:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo13(_: &dyn Trait1) { } +pub fn foo13(_: &dyn Trait1) {} // CHECK: define{{.*}}5foo13{{.*}}!type ![[TYPE13:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo14(_: &dyn Trait1, _: &dyn Trait1) { } +pub fn foo14(_: &dyn Trait1, _: &dyn Trait1) {} // CHECK: define{{.*}}5foo14{{.*}}!type ![[TYPE14:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo15(_: &dyn Trait1, _: &dyn Trait1, _: &dyn Trait1) { } +pub fn foo15(_: &dyn Trait1, _: &dyn Trait1, _: &dyn Trait1) {} // CHECK: define{{.*}}5foo15{{.*}}!type ![[TYPE15:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo16(_: &dyn Trait2) { } -pub fn bar16() { let a = Type2; foo16(&a); } +pub fn foo16(_: &dyn Trait2) {} +pub fn bar16() { + let a = Type2; + foo16(&a); +} // CHECK: define{{.*}}5foo16{{.*}}!type ![[TYPE16:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo17(_: &dyn Trait2, _: &dyn Trait2) { } -pub fn bar17() { let a = Type2; foo17(&a, &a); } +pub fn foo17(_: &dyn Trait2, _: &dyn Trait2) {} +pub fn bar17() { + let a = Type2; + foo17(&a, &a); +} // CHECK: define{{.*}}5foo17{{.*}}!type ![[TYPE17:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo18(_: &dyn Trait2, _: &dyn Trait2, _: &dyn Trait2) { } -pub fn bar18() { let a = Type2; foo18(&a, &a, &a); } +pub fn foo18(_: &dyn Trait2, _: &dyn Trait2, _: &dyn Trait2) {} +pub fn bar18() { + let a = Type2; + foo18(&a, &a, &a); +} // CHECK: define{{.*}}5foo18{{.*}}!type ![[TYPE18:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo19(_: &dyn Trait3) { } +pub fn foo19(_: &dyn Trait3) {} // CHECK: define{{.*}}5foo19{{.*}}!type ![[TYPE19:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo20(_: &dyn Trait3, _: &dyn Trait3) { } +pub fn foo20(_: &dyn Trait3, _: &dyn Trait3) {} // CHECK: define{{.*}}5foo20{{.*}}!type ![[TYPE20:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo21(_: &dyn Trait3, _: &dyn Trait3, _: &dyn Trait3) { } +pub fn foo21(_: &dyn Trait3, _: &dyn Trait3, _: &dyn Trait3) {} // CHECK: define{{.*}}5foo21{{.*}}!type ![[TYPE21:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo22<'a>(_: &dyn Trait4<'a, Type4, Output = &'a i32>) { } +pub fn foo22<'a>(_: &dyn Trait4<'a, Type4, Output = &'a i32>) {} // CHECK: define{{.*}}5foo22{{.*}}!type ![[TYPE22:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo23<'a>(_: &dyn Trait4<'a, Type4, Output = &'a i32>, - _: &dyn Trait4<'a, Type4, Output = &'a i32>) { } +pub fn foo23<'a>( + _: &dyn Trait4<'a, Type4, Output = &'a i32>, + _: &dyn Trait4<'a, Type4, Output = &'a i32>, +) { +} // CHECK: define{{.*}}5foo23{{.*}}!type ![[TYPE23:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo24<'a>(_: &dyn Trait4<'a, Type4, Output = &'a i32>, - _: &dyn Trait4<'a, Type4, Output = &'a i32>, - _: &dyn Trait4<'a, Type4, Output = &'a i32>) { } +pub fn foo24<'a>( + _: &dyn Trait4<'a, Type4, Output = &'a i32>, + _: &dyn Trait4<'a, Type4, Output = &'a i32>, + _: &dyn Trait4<'a, Type4, Output = &'a i32>, +) { +} // CHECK: define{{.*}}5foo24{{.*}}!type ![[TYPE24:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo25(_: &dyn Trait5) { } +pub fn foo25(_: &dyn Trait5) {} // CHECK: define{{.*}}5foo25{{.*}}!type ![[TYPE25:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo26(_: &dyn Trait5, _: &dyn Trait5) { } +pub fn foo26(_: &dyn Trait5, _: &dyn Trait5) {} // CHECK: define{{.*}}5foo26{{.*}}!type ![[TYPE26:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo27(_: &dyn Trait5, _: &dyn Trait5, _: &dyn Trait5) { } +pub fn foo27(_: &dyn Trait5, _: &dyn Trait5, _: &dyn Trait5) {} // CHECK: define{{.*}}5foo27{{.*}}!type ![[TYPE27:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} // CHECK: ![[TYPE13]] = !{i64 0, !"_ZTSFvu3refIu3dynIu{{[0-9]+}}NtC{{[[:print:]]+}}_{{[[:print:]]+}}6Trait1u6regionEEE"} diff --git a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-user-defined-types.rs b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-user-defined-types.rs index 4eaf42bf87d1..c1f3ca61afeb 100644 --- a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-user-defined-types.rs +++ b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-user-defined-types.rs @@ -4,7 +4,7 @@ //@ needs-sanitizer-cfi //@ compile-flags: -Clto -Cno-prepopulate-passes -Copt-level=0 -Zsanitizer=cfi -Ctarget-feature=-crt-static -#![crate_type="lib"] +#![crate_type = "lib"] #![feature(extern_types)] pub struct Struct1 { @@ -19,33 +19,33 @@ pub union Union1 { member1: std::mem::ManuallyDrop, } -extern { +extern "C" { pub type type1; } -pub fn foo1(_: &Struct1::) { } +pub fn foo1(_: &Struct1) {} // CHECK: define{{.*}}4foo1{{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo2(_: &Struct1::, _: &Struct1::) { } +pub fn foo2(_: &Struct1, _: &Struct1) {} // CHECK: define{{.*}}4foo2{{.*}}!type ![[TYPE2:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo3(_: &Struct1::, _: &Struct1::, _: &Struct1::) { } +pub fn foo3(_: &Struct1, _: &Struct1, _: &Struct1) {} // CHECK: define{{.*}}4foo3{{.*}}!type ![[TYPE3:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo4(_: &Enum1::) { } +pub fn foo4(_: &Enum1) {} // CHECK: define{{.*}}4foo4{{.*}}!type ![[TYPE4:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo5(_: &Enum1::, _: &Enum1::) { } +pub fn foo5(_: &Enum1, _: &Enum1) {} // CHECK: define{{.*}}4foo5{{.*}}!type ![[TYPE5:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo6(_: &Enum1::, _: &Enum1::, _: &Enum1::) { } +pub fn foo6(_: &Enum1, _: &Enum1, _: &Enum1) {} // CHECK: define{{.*}}4foo6{{.*}}!type ![[TYPE6:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo7(_: &Union1::) { } +pub fn foo7(_: &Union1) {} // CHECK: define{{.*}}4foo7{{.*}}!type ![[TYPE7:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo8(_: &Union1::, _: &Union1::) { } +pub fn foo8(_: &Union1, _: &Union1) {} // CHECK: define{{.*}}4foo8{{.*}}!type ![[TYPE8:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo9(_: &Union1::, _: &Union1::, _: &Union1::) { } +pub fn foo9(_: &Union1, _: &Union1, _: &Union1) {} // CHECK: define{{.*}}4foo9{{.*}}!type ![[TYPE9:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo10(_: *mut type1) { } +pub fn foo10(_: *mut type1) {} // CHECK: define{{.*}}5foo10{{.*}}!type ![[TYPE10:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo11(_: *mut type1, _: *mut type1) { } +pub fn foo11(_: *mut type1, _: *mut type1) {} // CHECK: define{{.*}}5foo11{{.*}}!type ![[TYPE11:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo12(_: *mut type1, _: *mut type1, _: *mut type1) { } +pub fn foo12(_: *mut type1, _: *mut type1, _: *mut type1) {} // CHECK: define{{.*}}5foo12{{.*}}!type ![[TYPE12:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} // CHECK: ![[TYPE1]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NtC{{[[:print:]]+}}_{{[[:print:]]+}}7Struct1Iu3i32EEE"} diff --git a/tests/codegen/sanitizer/cfi/emit-type-metadata-itanium-cxx-abi-generalized.rs b/tests/codegen/sanitizer/cfi/emit-type-metadata-itanium-cxx-abi-generalized.rs index ccd7ee93ca1f..32637b64b3ea 100644 --- a/tests/codegen/sanitizer/cfi/emit-type-metadata-itanium-cxx-abi-generalized.rs +++ b/tests/codegen/sanitizer/cfi/emit-type-metadata-itanium-cxx-abi-generalized.rs @@ -3,7 +3,7 @@ //@ needs-sanitizer-cfi //@ compile-flags: -Clto -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsanitizer=cfi -Zsanitizer-cfi-generalize-pointers -#![crate_type="lib"] +#![crate_type = "lib"] pub fn foo(f: fn(i32) -> i32, arg: i32) -> i32 { // CHECK-LABEL: define{{.*}}foo diff --git a/tests/codegen/sanitizer/cfi/emit-type-metadata-itanium-cxx-abi-normalized-generalized.rs b/tests/codegen/sanitizer/cfi/emit-type-metadata-itanium-cxx-abi-normalized-generalized.rs index d41300341780..51121b0aef1a 100644 --- a/tests/codegen/sanitizer/cfi/emit-type-metadata-itanium-cxx-abi-normalized-generalized.rs +++ b/tests/codegen/sanitizer/cfi/emit-type-metadata-itanium-cxx-abi-normalized-generalized.rs @@ -3,7 +3,7 @@ //@ needs-sanitizer-cfi //@ compile-flags: -Clto -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsanitizer=cfi -Zsanitizer-cfi-normalize-integers -Zsanitizer-cfi-generalize-pointers -#![crate_type="lib"] +#![crate_type = "lib"] pub fn foo(f: fn(i32) -> i32, arg: i32) -> i32 { // CHECK-LABEL: define{{.*}}foo diff --git a/tests/codegen/sanitizer/cfi/emit-type-metadata-itanium-cxx-abi-normalized.rs b/tests/codegen/sanitizer/cfi/emit-type-metadata-itanium-cxx-abi-normalized.rs index ac18379165de..1cfdd23006e3 100644 --- a/tests/codegen/sanitizer/cfi/emit-type-metadata-itanium-cxx-abi-normalized.rs +++ b/tests/codegen/sanitizer/cfi/emit-type-metadata-itanium-cxx-abi-normalized.rs @@ -3,7 +3,7 @@ //@ needs-sanitizer-cfi //@ compile-flags: -Clto -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsanitizer=cfi -Zsanitizer-cfi-normalize-integers -#![crate_type="lib"] +#![crate_type = "lib"] pub fn foo(f: fn(i32) -> i32, arg: i32) -> i32 { // CHECK-LABEL: define{{.*}}foo diff --git a/tests/codegen/sanitizer/cfi/emit-type-metadata-itanium-cxx-abi.rs b/tests/codegen/sanitizer/cfi/emit-type-metadata-itanium-cxx-abi.rs index 526ba62c264d..56ab1ce4b358 100644 --- a/tests/codegen/sanitizer/cfi/emit-type-metadata-itanium-cxx-abi.rs +++ b/tests/codegen/sanitizer/cfi/emit-type-metadata-itanium-cxx-abi.rs @@ -3,7 +3,7 @@ //@ needs-sanitizer-cfi //@ compile-flags: -Clto -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsanitizer=cfi -#![crate_type="lib"] +#![crate_type = "lib"] pub fn foo(f: fn(i32) -> i32, arg: i32) -> i32 { // CHECK-LABEL: define{{.*}}foo diff --git a/tests/codegen/sanitizer/cfi/emit-type-metadata-trait-objects.rs b/tests/codegen/sanitizer/cfi/emit-type-metadata-trait-objects.rs index 318aad9291c4..0e57ce322d12 100644 --- a/tests/codegen/sanitizer/cfi/emit-type-metadata-trait-objects.rs +++ b/tests/codegen/sanitizer/cfi/emit-type-metadata-trait-objects.rs @@ -3,7 +3,7 @@ //@ needs-sanitizer-cfi //@ compile-flags: -Clto -Cno-prepopulate-passes -Copt-level=0 -Ctarget-feature=-crt-static -Zsanitizer=cfi -#![crate_type="lib"] +#![crate_type = "lib"] pub trait Trait1 { fn foo(&self); @@ -13,8 +13,7 @@ pub trait Trait1 { pub struct Type1; impl Trait1 for Type1 { - fn foo(&self) { - } + fn foo(&self) {} } pub trait Trait2 { @@ -24,8 +23,7 @@ pub trait Trait2 { pub struct Type2; impl Trait2 for Type2 { - fn bar(&self) { - } + fn bar(&self) {} } pub trait Trait3 { @@ -35,8 +33,7 @@ pub trait Trait3 { pub struct Type3; impl Trait3 for T { - fn baz(&self, _: &U) { - } + fn baz(&self, _: &U) {} } pub trait Trait4<'a, T> { @@ -61,8 +58,7 @@ pub trait Trait5 { pub struct Type5; impl Trait5 for T { - fn quux(&self, _: &[U; N]) { - } + fn quux(&self, _: &[U; N]) {} } pub fn foo1(a: &dyn Trait1) { diff --git a/tests/codegen/sanitizer/cfi/generalize-pointers.rs b/tests/codegen/sanitizer/cfi/generalize-pointers.rs index eaf3dad19092..57004da6f8e0 100644 --- a/tests/codegen/sanitizer/cfi/generalize-pointers.rs +++ b/tests/codegen/sanitizer/cfi/generalize-pointers.rs @@ -3,33 +3,33 @@ //@ needs-sanitizer-cfi //@ compile-flags: -Clto -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsanitizer=cfi -Zsanitizer-cfi-generalize-pointers -Copt-level=0 -#![crate_type="lib"] +#![crate_type = "lib"] extern crate core; -pub fn foo0(_: &mut i32) { } +pub fn foo0(_: &mut i32) {} // CHECK: define{{.*}}foo0{{.*}}!type ![[TYPE0:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo1(_: &mut i32, _: &mut i32) { } +pub fn foo1(_: &mut i32, _: &mut i32) {} // CHECK: define{{.*}}foo1{{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo2(_: &mut i32, _: &mut i32, _: &mut i32) { } +pub fn foo2(_: &mut i32, _: &mut i32, _: &mut i32) {} // CHECK: define{{.*}}foo2{{.*}}!type ![[TYPE2:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo3(_: &i32) { } +pub fn foo3(_: &i32) {} // CHECK: define{{.*}}foo3{{.*}}!type ![[TYPE3:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo4(_: &i32, _: &i32) { } +pub fn foo4(_: &i32, _: &i32) {} // CHECK: define{{.*}}foo4{{.*}}!type ![[TYPE4:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo5(_: &i32, _: &i32, _: &i32) { } +pub fn foo5(_: &i32, _: &i32, _: &i32) {} // CHECK: define{{.*}}foo5{{.*}}!type ![[TYPE5:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo6(_: *mut i32) { } +pub fn foo6(_: *mut i32) {} // CHECK: define{{.*}}foo6{{.*}}!type ![[TYPE6:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo7(_: *mut i32, _: *mut i32) { } +pub fn foo7(_: *mut i32, _: *mut i32) {} // CHECK: define{{.*}}foo7{{.*}}!type ![[TYPE7:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo8(_: *mut i32, _: *mut i32, _: *mut i32) { } +pub fn foo8(_: *mut i32, _: *mut i32, _: *mut i32) {} // CHECK: define{{.*}}foo8{{.*}}!type ![[TYPE8:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo9(_: *const i32) { } +pub fn foo9(_: *const i32) {} // CHECK: define{{.*}}foo9{{.*}}!type ![[TYPE9:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo10(_: *const i32, _: *const i32) { } +pub fn foo10(_: *const i32, _: *const i32) {} // CHECK: define{{.*}}foo10{{.*}}!type ![[TYPE10:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo11(_: *const i32, _: *const i32, _: *const i32) { } +pub fn foo11(_: *const i32, _: *const i32, _: *const i32) {} // CHECK: define{{.*}}foo11{{.*}}!type ![[TYPE11:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} // CHECK: ![[TYPE0]] = !{i64 0, !"_ZTSFvU3mutu3refIvEE.generalized"} diff --git a/tests/codegen/sanitizer/cfi/normalize-integers.rs b/tests/codegen/sanitizer/cfi/normalize-integers.rs index 801ed312be5b..770ee4e64e08 100644 --- a/tests/codegen/sanitizer/cfi/normalize-integers.rs +++ b/tests/codegen/sanitizer/cfi/normalize-integers.rs @@ -3,33 +3,33 @@ //@ needs-sanitizer-cfi //@ compile-flags: -Clto -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsanitizer=cfi -Zsanitizer-cfi-normalize-integers -Copt-level=0 -#![crate_type="lib"] +#![crate_type = "lib"] extern crate core; -pub fn foo0(_: bool) { } +pub fn foo0(_: bool) {} // CHECK: define{{.*}}foo0{{.*}}!type ![[TYPE0:[0-9]+]] !type !{{[0-9]+}} -pub fn foo1(_: bool, _: bool) { } +pub fn foo1(_: bool, _: bool) {} // CHECK: define{{.*}}foo1{{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}} -pub fn foo2(_: bool, _: bool, _: bool) { } +pub fn foo2(_: bool, _: bool, _: bool) {} // CHECK: define{{.*}}foo2{{.*}}!type ![[TYPE2:[0-9]+]] !type !{{[0-9]+}} -pub fn foo3(_: char) { } +pub fn foo3(_: char) {} // CHECK: define{{.*}}foo3{{.*}}!type ![[TYPE3:[0-9]+]] !type !{{[0-9]+}} -pub fn foo4(_: char, _: char) { } +pub fn foo4(_: char, _: char) {} // CHECK: define{{.*}}foo4{{.*}}!type ![[TYPE4:[0-9]+]] !type !{{[0-9]+}} -pub fn foo5(_: char, _: char, _: char) { } +pub fn foo5(_: char, _: char, _: char) {} // CHECK: define{{.*}}foo5{{.*}}!type ![[TYPE5:[0-9]+]] !type !{{[0-9]+}} -pub fn foo6(_: isize) { } +pub fn foo6(_: isize) {} // CHECK: define{{.*}}foo6{{.*}}!type ![[TYPE6:[0-9]+]] !type !{{[0-9]+}} -pub fn foo7(_: isize, _: isize) { } +pub fn foo7(_: isize, _: isize) {} // CHECK: define{{.*}}foo7{{.*}}!type ![[TYPE7:[0-9]+]] !type !{{[0-9]+}} -pub fn foo8(_: isize, _: isize, _: isize) { } +pub fn foo8(_: isize, _: isize, _: isize) {} // CHECK: define{{.*}}foo8{{.*}}!type ![[TYPE8:[0-9]+]] !type !{{[0-9]+}} -pub fn foo9(_: (), _: usize) { } +pub fn foo9(_: (), _: usize) {} // CHECK: define{{.*}}foo9{{.*}}!type ![[TYPE9:[0-9]+]] !type !{{[0-9]+}} -pub fn foo10(_: (), _: usize, _: usize) { } +pub fn foo10(_: (), _: usize, _: usize) {} // CHECK: define{{.*}}foo10{{.*}}!type ![[TYPE10:[0-9]+]] !type !{{[0-9]+}} -pub fn foo11(_: (), _: usize, _: usize, _: usize) { } +pub fn foo11(_: (), _: usize, _: usize, _: usize) {} // CHECK: define{{.*}}foo11{{.*}}!type ![[TYPE11:[0-9]+]] !type !{{[0-9]+}} // CHECK: ![[TYPE0]] = !{i64 0, !"_ZTSFvu2u8E.normalized"} diff --git a/tests/codegen/sanitizer/dataflow-instrument-functions.rs b/tests/codegen/sanitizer/dataflow-instrument-functions.rs index 69c3560882c1..a2d0d63cc175 100644 --- a/tests/codegen/sanitizer/dataflow-instrument-functions.rs +++ b/tests/codegen/sanitizer/dataflow-instrument-functions.rs @@ -3,8 +3,7 @@ //@ needs-sanitizer-dataflow //@ compile-flags: -Copt-level=0 -Zsanitizer=dataflow -#![crate_type="lib"] +#![crate_type = "lib"] -pub fn foo() { -} +pub fn foo() {} // CHECK: define{{.*}}foo{{.*}}.dfsan diff --git a/tests/codegen/sanitizer/kcfi/add-kcfi-flag.rs b/tests/codegen/sanitizer/kcfi/add-kcfi-flag.rs index 7751d3baf79a..013de74f8d68 100644 --- a/tests/codegen/sanitizer/kcfi/add-kcfi-flag.rs +++ b/tests/codegen/sanitizer/kcfi/add-kcfi-flag.rs @@ -8,15 +8,14 @@ //@ compile-flags: -Ctarget-feature=-crt-static -Zsanitizer=kcfi #![feature(no_core, lang_items)] -#![crate_type="lib"] +#![crate_type = "lib"] #![no_core] -#[lang="sized"] -trait Sized { } -#[lang="copy"] -trait Copy { } +#[lang = "sized"] +trait Sized {} +#[lang = "copy"] +trait Copy {} -pub fn foo() { -} +pub fn foo() {} // CHECK: !{{[0-9]+}} = !{i32 4, !"kcfi", i32 1} diff --git a/tests/codegen/sanitizer/kcfi/emit-kcfi-operand-bundle-attr-no-sanitize.rs b/tests/codegen/sanitizer/kcfi/emit-kcfi-operand-bundle-attr-no-sanitize.rs index 8055c63a2f8f..ba2e397f6daa 100644 --- a/tests/codegen/sanitizer/kcfi/emit-kcfi-operand-bundle-attr-no-sanitize.rs +++ b/tests/codegen/sanitizer/kcfi/emit-kcfi-operand-bundle-attr-no-sanitize.rs @@ -7,14 +7,14 @@ //@ [x86_64] needs-llvm-components: //@ compile-flags: -Cno-prepopulate-passes -Zsanitizer=kcfi -Copt-level=0 -#![crate_type="lib"] +#![crate_type = "lib"] #![feature(no_core, no_sanitize, lang_items)] #![no_core] -#[lang="sized"] -trait Sized { } -#[lang="copy"] -trait Copy { } +#[lang = "sized"] +trait Sized {} +#[lang = "copy"] +trait Copy {} impl Copy for i32 {} diff --git a/tests/codegen/sanitizer/kcfi/emit-kcfi-operand-bundle-itanium-cxx-abi-generalized.rs b/tests/codegen/sanitizer/kcfi/emit-kcfi-operand-bundle-itanium-cxx-abi-generalized.rs index bd1dfc4c413e..4e95bdf4d7c4 100644 --- a/tests/codegen/sanitizer/kcfi/emit-kcfi-operand-bundle-itanium-cxx-abi-generalized.rs +++ b/tests/codegen/sanitizer/kcfi/emit-kcfi-operand-bundle-itanium-cxx-abi-generalized.rs @@ -7,14 +7,14 @@ //@ [x86_64] needs-llvm-components: //@ compile-flags: -Cno-prepopulate-passes -Zsanitizer=kcfi -Zsanitizer-cfi-generalize-pointers -#![crate_type="lib"] +#![crate_type = "lib"] #![feature(no_core, lang_items)] #![no_core] -#[lang="sized"] -trait Sized { } -#[lang="copy"] -trait Copy { } +#[lang = "sized"] +trait Sized {} +#[lang = "copy"] +trait Copy {} impl Copy for i32 {} diff --git a/tests/codegen/sanitizer/kcfi/emit-kcfi-operand-bundle-itanium-cxx-abi-normalized-generalized.rs b/tests/codegen/sanitizer/kcfi/emit-kcfi-operand-bundle-itanium-cxx-abi-normalized-generalized.rs index b8275f44fac5..31b43b509880 100644 --- a/tests/codegen/sanitizer/kcfi/emit-kcfi-operand-bundle-itanium-cxx-abi-normalized-generalized.rs +++ b/tests/codegen/sanitizer/kcfi/emit-kcfi-operand-bundle-itanium-cxx-abi-normalized-generalized.rs @@ -7,14 +7,14 @@ //@ [x86_64] needs-llvm-components: //@ compile-flags: -Cno-prepopulate-passes -Zsanitizer=kcfi -Zsanitizer-cfi-normalize-integers -Zsanitizer-cfi-generalize-pointers -#![crate_type="lib"] +#![crate_type = "lib"] #![feature(no_core, lang_items)] #![no_core] -#[lang="sized"] -trait Sized { } -#[lang="copy"] -trait Copy { } +#[lang = "sized"] +trait Sized {} +#[lang = "copy"] +trait Copy {} impl Copy for i32 {} diff --git a/tests/codegen/sanitizer/kcfi/emit-kcfi-operand-bundle-itanium-cxx-abi-normalized.rs b/tests/codegen/sanitizer/kcfi/emit-kcfi-operand-bundle-itanium-cxx-abi-normalized.rs index cd1b0c5efb0a..4755f6062aaa 100644 --- a/tests/codegen/sanitizer/kcfi/emit-kcfi-operand-bundle-itanium-cxx-abi-normalized.rs +++ b/tests/codegen/sanitizer/kcfi/emit-kcfi-operand-bundle-itanium-cxx-abi-normalized.rs @@ -7,14 +7,14 @@ //@ [x86_64] needs-llvm-components: //@ compile-flags: -Cno-prepopulate-passes -Zsanitizer=kcfi -Zsanitizer-cfi-normalize-integers -#![crate_type="lib"] +#![crate_type = "lib"] #![feature(no_core, lang_items)] #![no_core] -#[lang="sized"] -trait Sized { } -#[lang="copy"] -trait Copy { } +#[lang = "sized"] +trait Sized {} +#[lang = "copy"] +trait Copy {} impl Copy for i32 {} diff --git a/tests/codegen/sanitizer/kcfi/emit-kcfi-operand-bundle-itanium-cxx-abi.rs b/tests/codegen/sanitizer/kcfi/emit-kcfi-operand-bundle-itanium-cxx-abi.rs index 12690577da7a..be9760bd9afa 100644 --- a/tests/codegen/sanitizer/kcfi/emit-kcfi-operand-bundle-itanium-cxx-abi.rs +++ b/tests/codegen/sanitizer/kcfi/emit-kcfi-operand-bundle-itanium-cxx-abi.rs @@ -7,14 +7,14 @@ //@ [x86_64] needs-llvm-components: //@ compile-flags: -Cno-prepopulate-passes -Zsanitizer=kcfi -Copt-level=0 -#![crate_type="lib"] +#![crate_type = "lib"] #![feature(no_core, lang_items)] #![no_core] -#[lang="sized"] -trait Sized { } -#[lang="copy"] -trait Copy { } +#[lang = "sized"] +trait Sized {} +#[lang = "copy"] +trait Copy {} impl Copy for i32 {} diff --git a/tests/codegen/sanitizer/kcfi/emit-kcfi-operand-bundle.rs b/tests/codegen/sanitizer/kcfi/emit-kcfi-operand-bundle.rs index f4b3e48638e4..c9c94cdb3292 100644 --- a/tests/codegen/sanitizer/kcfi/emit-kcfi-operand-bundle.rs +++ b/tests/codegen/sanitizer/kcfi/emit-kcfi-operand-bundle.rs @@ -7,14 +7,14 @@ //@ [x86_64] needs-llvm-components: //@ compile-flags: -Cno-prepopulate-passes -Zsanitizer=kcfi -Copt-level=0 -#![crate_type="lib"] +#![crate_type = "lib"] #![feature(no_core, lang_items)] #![no_core] -#[lang="sized"] -trait Sized { } -#[lang="copy"] -trait Copy { } +#[lang = "sized"] +trait Sized {} +#[lang = "copy"] +trait Copy {} impl Copy for i32 {} diff --git a/tests/codegen/sanitizer/kcfi/emit-type-metadata-trait-objects.rs b/tests/codegen/sanitizer/kcfi/emit-type-metadata-trait-objects.rs index f9c7cca39898..fc4d570dc2eb 100644 --- a/tests/codegen/sanitizer/kcfi/emit-type-metadata-trait-objects.rs +++ b/tests/codegen/sanitizer/kcfi/emit-type-metadata-trait-objects.rs @@ -7,30 +7,32 @@ //@ [x86_64] needs-llvm-components: //@ compile-flags: -Cno-prepopulate-passes -Zsanitizer=kcfi -Copt-level=0 -#![crate_type="lib"] +#![crate_type = "lib"] #![feature(arbitrary_self_types, no_core, lang_items)] #![no_core] -#[lang="sized"] -trait Sized { } -#[lang="copy"] -trait Copy { } -#[lang="receiver"] -trait Receiver { } -#[lang="dispatch_from_dyn"] -trait DispatchFromDyn { } +#[lang = "sized"] +trait Sized {} +#[lang = "copy"] +trait Copy {} +#[lang = "receiver"] +trait Receiver {} +#[lang = "dispatch_from_dyn"] +trait DispatchFromDyn {} impl<'a, T: ?Sized + Unsize, U: ?Sized> DispatchFromDyn<&'a U> for &'a T {} #[lang = "unsize"] -trait Unsize { } +trait Unsize {} #[lang = "coerce_unsized"] -pub trait CoerceUnsized { } +pub trait CoerceUnsized {} impl<'a, 'b: 'a, T: ?Sized + Unsize, U: ?Sized> CoerceUnsized<&'a U> for &'b T {} -#[lang="freeze"] -trait Freeze { } -#[lang="drop_in_place"] -fn drop_in_place_fn() { } -#[lang="drop"] -trait Drop { fn drop(&mut self); } +#[lang = "freeze"] +trait Freeze {} +#[lang = "drop_in_place"] +fn drop_in_place_fn() {} +#[lang = "drop"] +trait Drop { + fn drop(&mut self); +} pub trait Trait1 { fn foo(&self); @@ -39,8 +41,7 @@ pub trait Trait1 { pub struct Type1; impl Trait1 for Type1 { - fn foo(&self) { - } + fn foo(&self) {} } pub trait Trait2 { @@ -50,8 +51,7 @@ pub trait Trait2 { pub struct Type2; impl Trait2 for Type2 { - fn bar(&self) { - } + fn bar(&self) {} } pub trait Trait3 { @@ -61,8 +61,7 @@ pub trait Trait3 { pub struct Type3; impl Trait3 for T { - fn baz(&self, _: &U) { - } + fn baz(&self, _: &U) {} } pub trait Trait4<'a, T> { @@ -88,8 +87,7 @@ pub struct Type5; impl Copy for Type5 {} impl Trait5 for T { - fn quux(&self, _: &[U; N]) { - } + fn quux(&self, _: &[U; N]) {} } pub fn foo1(a: &dyn Trait1) { diff --git a/tests/codegen/sanitizer/memory-track-origins.rs b/tests/codegen/sanitizer/memory-track-origins.rs index 956053ec42c7..318c277e10cb 100644 --- a/tests/codegen/sanitizer/memory-track-origins.rs +++ b/tests/codegen/sanitizer/memory-track-origins.rs @@ -11,7 +11,7 @@ //@[MSAN-1-LTO] compile-flags: -Zsanitizer-memory-track-origins=1 -C lto=fat //@[MSAN-2-LTO] compile-flags: -Zsanitizer-memory-track-origins -C lto=fat -#![crate_type="lib"] +#![crate_type = "lib"] // MSAN-0-NOT: @__msan_track_origins // MSAN-1: @__msan_track_origins = weak_odr {{.*}}constant i32 1 diff --git a/tests/codegen/sanitizer/no-sanitize-inlining.rs b/tests/codegen/sanitizer/no-sanitize-inlining.rs index d5e47884f858..4bd832d2ab19 100644 --- a/tests/codegen/sanitizer/no-sanitize-inlining.rs +++ b/tests/codegen/sanitizer/no-sanitize-inlining.rs @@ -8,7 +8,7 @@ //@[ASAN] compile-flags: -Zsanitizer=address //@[LSAN] compile-flags: -Zsanitizer=leak -#![crate_type="lib"] +#![crate_type = "lib"] #![feature(no_sanitize)] // ASAN-LABEL: define void @test diff --git a/tests/codegen/sanitizer/no-sanitize.rs b/tests/codegen/sanitizer/no-sanitize.rs index 2614416210ff..47d3fd83f112 100644 --- a/tests/codegen/sanitizer/no-sanitize.rs +++ b/tests/codegen/sanitizer/no-sanitize.rs @@ -4,7 +4,7 @@ //@ needs-sanitizer-address //@ compile-flags: -Zsanitizer=address -Ctarget-feature=-crt-static -Copt-level=0 -#![crate_type="lib"] +#![crate_type = "lib"] #![feature(no_sanitize)] // CHECK-LABEL: ; no_sanitize::unsanitized diff --git a/tests/codegen/set-discriminant-invalid.rs b/tests/codegen/set-discriminant-invalid.rs index 593da8cf80d0..0b7cb14880c9 100644 --- a/tests/codegen/set-discriminant-invalid.rs +++ b/tests/codegen/set-discriminant-invalid.rs @@ -7,17 +7,12 @@ pub struct TokioError { b: bool, } pub enum Error { - Api { - source: ApiError, - }, + Api { source: ApiError }, Ethereum, - Tokio { - source: TokioError, - }, + Tokio { source: TokioError }, } struct Api; -impl IntoError for Api -{ +impl IntoError for Api { type Source = ApiError; // CHECK-LABEL: @into_error // CHECK: llvm.trap() @@ -27,14 +22,11 @@ impl IntoError for Api // CHECK-NEXT: ret #[no_mangle] fn into_error(self, error: Self::Source) -> Error { - Error::Api { - source: error, - } + Error::Api { source: error } } } -pub trait IntoError -{ +pub trait IntoError { /// The underlying error type Source; diff --git a/tests/codegen/simd/issue-120720-reduce-nan.rs b/tests/codegen/simd/issue-120720-reduce-nan.rs index 0372582bf7f3..13af0bb076e6 100644 --- a/tests/codegen/simd/issue-120720-reduce-nan.rs +++ b/tests/codegen/simd/issue-120720-reduce-nan.rs @@ -15,8 +15,7 @@ pub unsafe fn demo() -> bool { // CHECK: %0 = tail call reassoc double @llvm.vector.reduce.fadd.v8f64( // CHECK: %_0.i = fcmp uno double %0, 0.000000e+00 // CHECK: ret i1 %_0.i - let res = unsafe { - _mm512_reduce_add_pd(_mm512_set_pd(0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, f64::NAN)) - }; + let res = + unsafe { _mm512_reduce_add_pd(_mm512_set_pd(0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, f64::NAN)) }; res.is_nan() } diff --git a/tests/codegen/simd/swap-simd-types.rs b/tests/codegen/simd/swap-simd-types.rs index 32e75220d696..cd6e84286e1c 100644 --- a/tests/codegen/simd/swap-simd-types.rs +++ b/tests/codegen/simd/swap-simd-types.rs @@ -13,18 +13,18 @@ use core::arch::x86_64::__m256; // CHECK-LABEL: @swap_single_m256 #[no_mangle] pub fn swap_single_m256(x: &mut __m256, y: &mut __m256) { -// CHECK-NOT: alloca -// CHECK: load <8 x float>{{.+}}align 32 -// CHECK: store <8 x float>{{.+}}align 32 + // CHECK-NOT: alloca + // CHECK: load <8 x float>{{.+}}align 32 + // CHECK: store <8 x float>{{.+}}align 32 swap(x, y) } // CHECK-LABEL: @swap_m256_slice #[no_mangle] pub fn swap_m256_slice(x: &mut [__m256], y: &mut [__m256]) { -// CHECK-NOT: alloca -// CHECK: load <8 x float>{{.+}}align 32 -// CHECK: store <8 x float>{{.+}}align 32 + // CHECK-NOT: alloca + // CHECK: load <8 x float>{{.+}}align 32 + // CHECK: store <8 x float>{{.+}}align 32 if x.len() == y.len() { x.swap_with_slice(y); } @@ -33,8 +33,8 @@ pub fn swap_m256_slice(x: &mut [__m256], y: &mut [__m256]) { // CHECK-LABEL: @swap_bytes32 #[no_mangle] pub fn swap_bytes32(x: &mut [u8; 32], y: &mut [u8; 32]) { -// CHECK-NOT: alloca -// CHECK: load <32 x i8>{{.+}}align 1 -// CHECK: store <32 x i8>{{.+}}align 1 + // CHECK-NOT: alloca + // CHECK: load <32 x i8>{{.+}}align 1 + // CHECK: store <32 x i8>{{.+}}align 1 swap(x, y) } diff --git a/tests/codegen/slice-position-bounds-check.rs b/tests/codegen/slice-position-bounds-check.rs index 301895883ee3..f83e2f2ec440 100644 --- a/tests/codegen/slice-position-bounds-check.rs +++ b/tests/codegen/slice-position-bounds-check.rs @@ -3,9 +3,7 @@ fn search(arr: &mut [T], a: &T) -> Result { match arr.iter().position(|x| x == a) { - Some(p) => { - Ok(p) - }, + Some(p) => Ok(p), None => Err(()), } } @@ -15,11 +13,7 @@ fn search(arr: &mut [T], a: &T) -> Result { pub fn position_no_bounds_check(y: &mut [u32], x: &u32, z: &u32) -> bool { // This contains "call assume" so we cannot just rule out all calls // CHECK-NOT: panic_bounds_check - if let Ok(p) = search(y, x) { - y[p] == *z - } else { - false - } + if let Ok(p) = search(y, x) { y[p] == *z } else { false } } // just to make sure that panicking really emits "panic_bounds_check" somewhere in the IR diff --git a/tests/codegen/slice-windows-no-bounds-check.rs b/tests/codegen/slice-windows-no-bounds-check.rs index 188011ebe7fd..db3211c8defd 100644 --- a/tests/codegen/slice-windows-no-bounds-check.rs +++ b/tests/codegen/slice-windows-no-bounds-check.rs @@ -12,10 +12,7 @@ pub fn naive_string_search(haystack: &str, needle: &str) -> Option { } // CHECK-NOT: panic // CHECK-NOT: fail - haystack - .as_bytes() - .windows(needle.len()) - .position(|sub| sub == needle.as_bytes()) + haystack.as_bytes().windows(needle.len()).position(|sub| sub == needle.as_bytes()) } // CHECK-LABEL: @next diff --git a/tests/codegen/some-abis-do-extend-params-to-32-bits.rs b/tests/codegen/some-abis-do-extend-params-to-32-bits.rs index a75a239e2ab8..10970cacdcf0 100644 --- a/tests/codegen/some-abis-do-extend-params-to-32-bits.rs +++ b/tests/codegen/some-abis-do-extend-params-to-32-bits.rs @@ -24,9 +24,12 @@ #![no_std] #![no_core] -#[lang="sized"] trait Sized { } -#[lang="freeze"] trait Freeze { } -#[lang="copy"] trait Copy { } +#[lang = "sized"] +trait Sized {} +#[lang = "freeze"] +trait Freeze {} +#[lang = "copy"] +trait Copy {} // The patterns in this file are written in the style of a table to make the // uniformities and distinctions more apparent. @@ -40,7 +43,8 @@ // aarch64-linux: void @c_arg_u8(i8 %_a) // arm: void @c_arg_u8(i8 zeroext %_a) // riscv: void @c_arg_u8(i8 zeroext %_a) -#[no_mangle] pub extern "C" fn c_arg_u8(_a: u8) { } +#[no_mangle] +pub extern "C" fn c_arg_u8(_a: u8) {} // x86_64: void @c_arg_u16(i16 zeroext %_a) // i686: void @c_arg_u16(i16 zeroext %_a) @@ -49,7 +53,8 @@ // aarch64-linux: void @c_arg_u16(i16 %_a) // arm: void @c_arg_u16(i16 zeroext %_a) // riscv: void @c_arg_u16(i16 zeroext %_a) -#[no_mangle] pub extern "C" fn c_arg_u16(_a: u16) { } +#[no_mangle] +pub extern "C" fn c_arg_u16(_a: u16) {} // x86_64: void @c_arg_u32(i32 %_a) // i686: void @c_arg_u32(i32 %_a) @@ -58,7 +63,8 @@ // aarch64-linux: void @c_arg_u32(i32 %_a) // arm: void @c_arg_u32(i32 %_a) // riscv: void @c_arg_u32(i32 signext %_a) -#[no_mangle] pub extern "C" fn c_arg_u32(_a: u32) { } +#[no_mangle] +pub extern "C" fn c_arg_u32(_a: u32) {} // x86_64: void @c_arg_u64(i64 %_a) // i686: void @c_arg_u64(i64 %_a) @@ -67,7 +73,8 @@ // aarch64-linux: void @c_arg_u64(i64 %_a) // arm: void @c_arg_u64(i64 %_a) // riscv: void @c_arg_u64(i64 %_a) -#[no_mangle] pub extern "C" fn c_arg_u64(_a: u64) { } +#[no_mangle] +pub extern "C" fn c_arg_u64(_a: u64) {} // x86_64: void @c_arg_i8(i8 signext %_a) // i686: void @c_arg_i8(i8 signext %_a) @@ -76,7 +83,8 @@ // aarch64-linux: void @c_arg_i8(i8 %_a) // arm: void @c_arg_i8(i8 signext %_a) // riscv: void @c_arg_i8(i8 signext %_a) -#[no_mangle] pub extern "C" fn c_arg_i8(_a: i8) { } +#[no_mangle] +pub extern "C" fn c_arg_i8(_a: i8) {} // x86_64: void @c_arg_i16(i16 signext %_a) // i686: void @c_arg_i16(i16 signext %_a) @@ -85,7 +93,8 @@ // aarch64-linux: void @c_arg_i16(i16 %_a) // arm: void @c_arg_i16(i16 signext %_a) // riscv: void @c_arg_i16(i16 signext %_a) -#[no_mangle] pub extern "C" fn c_arg_i16(_a: i16) { } +#[no_mangle] +pub extern "C" fn c_arg_i16(_a: i16) {} // x86_64: void @c_arg_i32(i32 %_a) // i686: void @c_arg_i32(i32 %_a) @@ -94,7 +103,8 @@ // aarch64-linux: void @c_arg_i32(i32 %_a) // arm: void @c_arg_i32(i32 %_a) // riscv: void @c_arg_i32(i32 signext %_a) -#[no_mangle] pub extern "C" fn c_arg_i32(_a: i32) { } +#[no_mangle] +pub extern "C" fn c_arg_i32(_a: i32) {} // x86_64: void @c_arg_i64(i64 %_a) // i686: void @c_arg_i64(i64 %_a) @@ -103,7 +113,8 @@ // aarch64-linux: void @c_arg_i64(i64 %_a) // arm: void @c_arg_i64(i64 %_a) // riscv: void @c_arg_i64(i64 %_a) -#[no_mangle] pub extern "C" fn c_arg_i64(_a: i64) { } +#[no_mangle] +pub extern "C" fn c_arg_i64(_a: i64) {} // x86_64: zeroext i8 @c_ret_u8() // i686: zeroext i8 @c_ret_u8() @@ -112,7 +123,10 @@ // aarch64-linux: i8 @c_ret_u8() // arm: zeroext i8 @c_ret_u8() // riscv: zeroext i8 @c_ret_u8() -#[no_mangle] pub extern "C" fn c_ret_u8() -> u8 { 0 } +#[no_mangle] +pub extern "C" fn c_ret_u8() -> u8 { + 0 +} // x86_64: zeroext i16 @c_ret_u16() // i686: zeroext i16 @c_ret_u16() @@ -121,7 +135,10 @@ // aarch64-linux: i16 @c_ret_u16() // arm: zeroext i16 @c_ret_u16() // riscv: zeroext i16 @c_ret_u16() -#[no_mangle] pub extern "C" fn c_ret_u16() -> u16 { 0 } +#[no_mangle] +pub extern "C" fn c_ret_u16() -> u16 { + 0 +} // x86_64: i32 @c_ret_u32() // i686: i32 @c_ret_u32() @@ -130,7 +147,10 @@ // aarch64-linux: i32 @c_ret_u32() // arm: i32 @c_ret_u32() // riscv: signext i32 @c_ret_u32() -#[no_mangle] pub extern "C" fn c_ret_u32() -> u32 { 0 } +#[no_mangle] +pub extern "C" fn c_ret_u32() -> u32 { + 0 +} // x86_64: i64 @c_ret_u64() // i686: i64 @c_ret_u64() @@ -139,7 +159,10 @@ // aarch64-linux: i64 @c_ret_u64() // arm: i64 @c_ret_u64() // riscv: i64 @c_ret_u64() -#[no_mangle] pub extern "C" fn c_ret_u64() -> u64 { 0 } +#[no_mangle] +pub extern "C" fn c_ret_u64() -> u64 { + 0 +} // x86_64: signext i8 @c_ret_i8() // i686: signext i8 @c_ret_i8() @@ -148,7 +171,10 @@ // aarch64-linux: i8 @c_ret_i8() // arm: signext i8 @c_ret_i8() // riscv: signext i8 @c_ret_i8() -#[no_mangle] pub extern "C" fn c_ret_i8() -> i8 { 0 } +#[no_mangle] +pub extern "C" fn c_ret_i8() -> i8 { + 0 +} // x86_64: signext i16 @c_ret_i16() // i686: signext i16 @c_ret_i16() @@ -157,7 +183,10 @@ // aarch64-linux: i16 @c_ret_i16() // arm: signext i16 @c_ret_i16() // riscv: signext i16 @c_ret_i16() -#[no_mangle] pub extern "C" fn c_ret_i16() -> i16 { 0 } +#[no_mangle] +pub extern "C" fn c_ret_i16() -> i16 { + 0 +} // x86_64: i32 @c_ret_i32() // i686: i32 @c_ret_i32() @@ -166,7 +195,10 @@ // aarch64-linux: i32 @c_ret_i32() // arm: i32 @c_ret_i32() // riscv: signext i32 @c_ret_i32() -#[no_mangle] pub extern "C" fn c_ret_i32() -> i32 { 0 } +#[no_mangle] +pub extern "C" fn c_ret_i32() -> i32 { + 0 +} // x86_64: i64 @c_ret_i64() // i686: i64 @c_ret_i64() @@ -175,7 +207,10 @@ // aarch64-linux: i64 @c_ret_i64() // arm: i64 @c_ret_i64() // riscv: i64 @c_ret_i64() -#[no_mangle] pub extern "C" fn c_ret_i64() -> i64 { 0 } +#[no_mangle] +pub extern "C" fn c_ret_i64() -> i64 { + 0 +} const C_SOURCE_FILE: &'static str = r##" #include diff --git a/tests/codegen/sparc-struct-abi.rs b/tests/codegen/sparc-struct-abi.rs index 0850e9e15eaf..5d9781663570 100644 --- a/tests/codegen/sparc-struct-abi.rs +++ b/tests/codegen/sparc-struct-abi.rs @@ -6,12 +6,12 @@ #![feature(no_core, lang_items)] #![no_core] -#[lang="sized"] -trait Sized { } -#[lang="freeze"] -trait Freeze { } -#[lang="copy"] -trait Copy { } +#[lang = "sized"] +trait Sized {} +#[lang = "freeze"] +trait Freeze {} +#[lang = "copy"] +trait Copy {} #[repr(C)] pub struct Bool { @@ -26,7 +26,6 @@ pub extern "C" fn structbool() -> Bool { Bool { b: true } } - #[repr(C)] pub struct BoolFloat { b: bool, @@ -44,8 +43,7 @@ pub extern "C" fn structboolfloat() -> BoolFloat { // CHECK: define void @structboolfloat_input({ i32, float } inreg %0) // CHECK-NEXT: start: #[no_mangle] -pub extern "C" fn structboolfloat_input(a: BoolFloat) { } - +pub extern "C" fn structboolfloat_input(a: BoolFloat) {} #[repr(C)] pub struct ShortDouble { @@ -64,8 +62,7 @@ pub extern "C" fn structshortdouble() -> ShortDouble { // CHECK: define void @structshortdouble_input({ i64, double } %0) // CHECK-NEXT: start: #[no_mangle] -pub extern "C" fn structshortdouble_input(a: ShortDouble) { } - +pub extern "C" fn structshortdouble_input(a: ShortDouble) {} #[repr(C)] pub struct FloatLongFloat { diff --git a/tests/codegen/split-lto-unit.rs b/tests/codegen/split-lto-unit.rs index 6cea9a2d8d5f..7858a0e7b796 100644 --- a/tests/codegen/split-lto-unit.rs +++ b/tests/codegen/split-lto-unit.rs @@ -3,9 +3,8 @@ //@ needs-sanitizer-cfi //@ compile-flags: -Clto -Ctarget-feature=-crt-static -Zsplit-lto-unit -#![crate_type="lib"] +#![crate_type = "lib"] -pub fn foo() { -} +pub fn foo() {} // CHECK: !{{[0-9]+}} = !{i32 4, !"EnableSplitLTOUnit", i32 1} diff --git a/tests/codegen/sroa-fragment-debuginfo.rs b/tests/codegen/sroa-fragment-debuginfo.rs index 670ddb56540e..0413cf968942 100644 --- a/tests/codegen/sroa-fragment-debuginfo.rs +++ b/tests/codegen/sroa-fragment-debuginfo.rs @@ -13,13 +13,13 @@ pub struct ExtraSlice<'input> { #[no_mangle] pub fn extra(s: &[u8]) { -// CHECK: void @extra( -// CHECK: %slice.dbg.spill1 = alloca [4 x i8], -// CHECK: %slice.dbg.spill = alloca [16 x i8], -// CHECK: %s.dbg.spill = alloca [16 x i8], -// CHECK: dbg{{.}}declare({{(metadata )?}}ptr %s.dbg.spill, {{(metadata )?}}![[S_EXTRA:.*]], {{(metadata )?}}!DIExpression() -// CHECK: dbg{{.}}declare({{(metadata )?}}ptr %slice.dbg.spill, {{(metadata )?}}![[SLICE_EXTRA:.*]], {{(metadata )?}}!DIExpression(DW_OP_LLVM_fragment, 0, 128) -// CHECK: dbg{{.}}declare({{(metadata )?}}ptr %slice.dbg.spill1, {{(metadata )?}}![[SLICE_EXTRA]], {{(metadata )?}}!DIExpression(DW_OP_LLVM_fragment, 128, 32) + // CHECK: void @extra( + // CHECK: %slice.dbg.spill1 = alloca [4 x i8], + // CHECK: %slice.dbg.spill = alloca [16 x i8], + // CHECK: %s.dbg.spill = alloca [16 x i8], + // CHECK: dbg{{.}}declare({{(metadata )?}}ptr %s.dbg.spill, {{(metadata )?}}![[S_EXTRA:.*]], {{(metadata )?}}!DIExpression() + // CHECK: dbg{{.}}declare({{(metadata )?}}ptr %slice.dbg.spill, {{(metadata )?}}![[SLICE_EXTRA:.*]], {{(metadata )?}}!DIExpression(DW_OP_LLVM_fragment, 0, 128) + // CHECK: dbg{{.}}declare({{(metadata )?}}ptr %slice.dbg.spill1, {{(metadata )?}}![[SLICE_EXTRA]], {{(metadata )?}}!DIExpression(DW_OP_LLVM_fragment, 128, 32) let slice = ExtraSlice { slice: s, extra: s.len() as u32 }; } @@ -35,10 +35,10 @@ pub fn zst(s: &[u8]) { // The field `extra` is a ZST. The fragment for the field `slice` encompasses the whole // variable, so is not a fragment. In that case, the variable must have no fragment. -// CHECK: void @zst( -// CHECK-NOT: dbg{{.}}declare({{(metadata )?}}ptr %slice.dbg.spill, {{(metadata )?}}!{}, {{(metadata )?}}!DIExpression(DW_OP_LLVM_fragment, -// CHECK: dbg{{.}}declare({{(metadata )?}}ptr %{{.*}}, {{(metadata )?}}![[SLICE_ZST:.*]], {{(metadata )?}}!DIExpression() -// CHECK-NOT: dbg{{.}}declare({{(metadata )?}}ptr %{{.*}}, {{(metadata )?}}![[SLICE_ZST]], + // CHECK: void @zst( + // CHECK-NOT: dbg{{.}}declare({{(metadata )?}}ptr %slice.dbg.spill, {{(metadata )?}}!{}, {{(metadata )?}}!DIExpression(DW_OP_LLVM_fragment, + // CHECK: dbg{{.}}declare({{(metadata )?}}ptr %{{.*}}, {{(metadata )?}}![[SLICE_ZST:.*]], {{(metadata )?}}!DIExpression() + // CHECK-NOT: dbg{{.}}declare({{(metadata )?}}ptr %{{.*}}, {{(metadata )?}}![[SLICE_ZST]], let slice = ZstSlice { slice: s, extra: Zst }; } diff --git a/tests/codegen/stack-probes-inline.rs b/tests/codegen/stack-probes-inline.rs index 6bd6b0cb354c..c5073b9cc221 100644 --- a/tests/codegen/stack-probes-inline.rs +++ b/tests/codegen/stack-probes-inline.rs @@ -27,6 +27,6 @@ trait Sized {} #[no_mangle] pub fn foo() { -// CHECK: @foo() unnamed_addr #0 -// CHECK: attributes #0 = { {{.*}}"probe-stack"="inline-asm"{{.*}} } + // CHECK: @foo() unnamed_addr #0 + // CHECK: attributes #0 = { {{.*}}"probe-stack"="inline-asm"{{.*}} } } diff --git a/tests/codegen/static-relocation-model-msvc.rs b/tests/codegen/static-relocation-model-msvc.rs index 5501827498cc..8ed8331466c7 100644 --- a/tests/codegen/static-relocation-model-msvc.rs +++ b/tests/codegen/static-relocation-model-msvc.rs @@ -20,7 +20,5 @@ extern crate extern_decl; #[no_mangle] pub fn access_extern() -> u8 { - unsafe { - extern_decl::extern_fn() + extern_decl::extern_static - } + unsafe { extern_decl::extern_fn() + extern_decl::extern_static } } diff --git a/tests/codegen/stores.rs b/tests/codegen/stores.rs index 86ec52fa1015..aa3090db6d31 100644 --- a/tests/codegen/stores.rs +++ b/tests/codegen/stores.rs @@ -4,10 +4,10 @@ #![crate_type = "lib"] pub struct Bytes { - a: u8, - b: u8, - c: u8, - d: u8, + a: u8, + b: u8, + c: u8, + d: u8, } // CHECK-LABEL: small_array_alignment @@ -15,10 +15,10 @@ pub struct Bytes { // dependent alignment #[no_mangle] pub fn small_array_alignment(x: &mut [i8; 4], y: [i8; 4]) { -// CHECK: [[TMP:%.+]] = alloca [4 x i8], align 4 -// CHECK: %y = alloca [4 x i8], align 1 -// CHECK: store i32 %0, ptr [[TMP]] -// CHECK: call void @llvm.memcpy.{{.*}}(ptr align 1 {{.+}}, ptr align 4 {{.+}}, i{{[0-9]+}} 4, i1 false) + // CHECK: [[TMP:%.+]] = alloca [4 x i8], align 4 + // CHECK: %y = alloca [4 x i8], align 1 + // CHECK: store i32 %0, ptr [[TMP]] + // CHECK: call void @llvm.memcpy.{{.*}}(ptr align 1 {{.+}}, ptr align 4 {{.+}}, i{{[0-9]+}} 4, i1 false) *x = y; } @@ -27,9 +27,9 @@ pub fn small_array_alignment(x: &mut [i8; 4], y: [i8; 4]) { // dependent alignment #[no_mangle] pub fn small_struct_alignment(x: &mut Bytes, y: Bytes) { -// CHECK: [[TMP:%.+]] = alloca [4 x i8], align 4 -// CHECK: %y = alloca [4 x i8], align 1 -// CHECK: store i32 %0, ptr [[TMP]] -// CHECK: call void @llvm.memcpy.{{.*}}(ptr align 1 {{.+}}, ptr align 4 {{.+}}, i{{[0-9]+}} 4, i1 false) + // CHECK: [[TMP:%.+]] = alloca [4 x i8], align 4 + // CHECK: %y = alloca [4 x i8], align 1 + // CHECK: store i32 %0, ptr [[TMP]] + // CHECK: call void @llvm.memcpy.{{.*}}(ptr align 1 {{.+}}, ptr align 4 {{.+}}, i{{[0-9]+}} 4, i1 false) *x = y; } diff --git a/tests/codegen/swap-large-types.rs b/tests/codegen/swap-large-types.rs index b976f6fe207b..761d48969dad 100644 --- a/tests/codegen/swap-large-types.rs +++ b/tests/codegen/swap-large-types.rs @@ -4,7 +4,7 @@ #![crate_type = "lib"] use std::mem::swap; -use std::ptr::{read, copy_nonoverlapping, write}; +use std::ptr::{copy_nonoverlapping, read, write}; type KeccakBuffer = [[u64; 5]; 5]; @@ -15,7 +15,7 @@ type KeccakBuffer = [[u64; 5]; 5]; // CHECK-LABEL: @swap_basic #[no_mangle] pub fn swap_basic(x: &mut KeccakBuffer, y: &mut KeccakBuffer) { -// CHECK: alloca [200 x i8] + // CHECK: alloca [200 x i8] // SAFETY: exclusive references are always valid to read/write, // are non-overlapping, and nothing here panics so it's drop-safe. @@ -32,9 +32,9 @@ pub fn swap_basic(x: &mut KeccakBuffer, y: &mut KeccakBuffer) { // CHECK-LABEL: @swap_std #[no_mangle] pub fn swap_std(x: &mut KeccakBuffer, y: &mut KeccakBuffer) { -// CHECK-NOT: alloca -// CHECK: load <{{[0-9]+}} x i64> -// CHECK: store <{{[0-9]+}} x i64> + // CHECK-NOT: alloca + // CHECK: load <{{[0-9]+}} x i64> + // CHECK: store <{{[0-9]+}} x i64> swap(x, y) } @@ -44,9 +44,9 @@ pub fn swap_std(x: &mut KeccakBuffer, y: &mut KeccakBuffer) { // CHECK-LABEL: @swap_slice #[no_mangle] pub fn swap_slice(x: &mut [KeccakBuffer], y: &mut [KeccakBuffer]) { -// CHECK-NOT: alloca -// CHECK: load <{{[0-9]+}} x i64> -// CHECK: store <{{[0-9]+}} x i64> + // CHECK-NOT: alloca + // CHECK: load <{{[0-9]+}} x i64> + // CHECK: store <{{[0-9]+}} x i64> if x.len() == y.len() { x.swap_with_slice(y); } @@ -59,9 +59,9 @@ type OneKilobyteBuffer = [u8; 1024]; // CHECK-LABEL: @swap_1kb_slices #[no_mangle] pub fn swap_1kb_slices(x: &mut [OneKilobyteBuffer], y: &mut [OneKilobyteBuffer]) { -// CHECK-NOT: alloca -// CHECK: load <{{[0-9]+}} x i8> -// CHECK: store <{{[0-9]+}} x i8> + // CHECK-NOT: alloca + // CHECK: load <{{[0-9]+}} x i8> + // CHECK: store <{{[0-9]+}} x i8> if x.len() == y.len() { x.swap_with_slice(y); } @@ -81,10 +81,10 @@ pub struct BigButHighlyAligned([u8; 64 * 3]); // CHECK-LABEL: @swap_big_aligned #[no_mangle] pub fn swap_big_aligned(x: &mut BigButHighlyAligned, y: &mut BigButHighlyAligned) { -// CHECK-NOT: call void @llvm.memcpy -// CHECK: call void @llvm.memcpy.{{.+}}(ptr noundef nonnull align 64 dereferenceable(192) -// CHECK: call void @llvm.memcpy.{{.+}}(ptr noundef nonnull align 64 dereferenceable(192) -// CHECK: call void @llvm.memcpy.{{.+}}(ptr noundef nonnull align 64 dereferenceable(192) -// CHECK-NOT: call void @llvm.memcpy + // CHECK-NOT: call void @llvm.memcpy + // CHECK: call void @llvm.memcpy.{{.+}}(ptr noundef nonnull align 64 dereferenceable(192) + // CHECK: call void @llvm.memcpy.{{.+}}(ptr noundef nonnull align 64 dereferenceable(192) + // CHECK: call void @llvm.memcpy.{{.+}}(ptr noundef nonnull align 64 dereferenceable(192) + // CHECK-NOT: call void @llvm.memcpy swap(x, y) } diff --git a/tests/codegen/target-feature-overrides.rs b/tests/codegen/target-feature-overrides.rs index 61b1b3fd2578..1e2c364dbbc9 100644 --- a/tests/codegen/target-feature-overrides.rs +++ b/tests/codegen/target-feature-overrides.rs @@ -9,7 +9,6 @@ #![crate_type = "lib"] #![no_core] - #[lang = "sized"] trait Sized {} #[lang = "copy"] @@ -23,19 +22,19 @@ extern "C" { #[target_feature(enable = "avx")] #[no_mangle] pub unsafe fn apple() -> u32 { -// CHECK-LABEL: @apple() -// CHECK-SAME: [[APPLEATTRS:#[0-9]+]] { -// CHECK: {{.*}}call{{.*}}@peach + // CHECK-LABEL: @apple() + // CHECK-SAME: [[APPLEATTRS:#[0-9]+]] { + // CHECK: {{.*}}call{{.*}}@peach peach() } // target features same as global #[no_mangle] pub unsafe fn banana() -> u32 { -// CHECK-LABEL: @banana() -// CHECK-SAME: [[BANANAATTRS:#[0-9]+]] { -// COMPAT: {{.*}}call{{.*}}@peach -// INCOMPAT: {{.*}}call{{.*}}@apple + // CHECK-LABEL: @banana() + // CHECK-SAME: [[BANANAATTRS:#[0-9]+]] { + // COMPAT: {{.*}}call{{.*}}@peach + // INCOMPAT: {{.*}}call{{.*}}@apple apple() // Compatible for inline in COMPAT revision and can't be inlined in INCOMPAT } diff --git a/tests/codegen/thin-lto.rs b/tests/codegen/thin-lto.rs index c75f9841a773..4339d20532ea 100644 --- a/tests/codegen/thin-lto.rs +++ b/tests/codegen/thin-lto.rs @@ -3,5 +3,4 @@ // CHECK: main -pub fn main() { -} +pub fn main() {} diff --git a/tests/codegen/tied-features-strength.rs b/tests/codegen/tied-features-strength.rs index b97865295a23..7f0805bc1b43 100644 --- a/tests/codegen/tied-features-strength.rs +++ b/tests/codegen/tied-features-strength.rs @@ -19,7 +19,6 @@ //@ [ENABLE_NEON] compile-flags: -C target-feature=+neon -Copt-level=0 // ENABLE_NEON: attributes #0 = { {{.*}} "target-features"="{{((\+outline-atomics,?)|(\+v8a,?)?|(\+fp-armv8,?)|(\+neon,?))*}}" } - #![feature(no_core, lang_items)] #![no_core] diff --git a/tests/codegen/to_vec.rs b/tests/codegen/to_vec.rs index 651084d811ca..4666f8d6f153 100644 --- a/tests/codegen/to_vec.rs +++ b/tests/codegen/to_vec.rs @@ -5,6 +5,6 @@ // CHECK-LABEL: @copy_to_vec #[no_mangle] fn copy_to_vec(s: &[u64]) -> Vec { - s.to_vec() - // CHECK: call void @llvm.memcpy + s.to_vec() + // CHECK: call void @llvm.memcpy } diff --git a/tests/codegen/transmute-optimized.rs b/tests/codegen/transmute-optimized.rs index 8e5bcb2340e4..11bd0523788a 100644 --- a/tests/codegen/transmute-optimized.rs +++ b/tests/codegen/transmute-optimized.rs @@ -5,7 +5,9 @@ // destination types for transmutes. #[repr(u32)] -pub enum AlwaysZero32 { X = 0 } +pub enum AlwaysZero32 { + X = 0, +} // CHECK-LABEL: i32 @issue_109958(i32 #[no_mangle] @@ -81,7 +83,11 @@ pub fn div_transmute_nonzero(a: u32, b: std::num::NonZero) -> u32 { } #[repr(i8)] -pub enum OneTwoThree { One = 1, Two = 2, Three = 3 } +pub enum OneTwoThree { + One = 1, + Two = 2, + Three = 3, +} // CHECK-LABEL: i8 @ordering_transmute_onetwothree(i8 #[no_mangle] diff --git a/tests/codegen/try_identity.rs b/tests/codegen/try_identity.rs index 87b7d0727d08..6a3a8a06e82b 100644 --- a/tests/codegen/try_identity.rs +++ b/tests/codegen/try_identity.rs @@ -13,9 +13,9 @@ type R = Result; // optimization that picks up the `?` desugaring, as `SimplifyArmIdentity` does not. #[no_mangle] pub fn try_identity(x: R) -> R { -// CHECK: start: -// FIXME(JakobDegen): Broken by deaggregation change CHECK-NOT\: br {{.*}} -// CHECK ret void + // CHECK: start: + // FIXME(JakobDegen): Broken by deaggregation change CHECK-NOT\: br {{.*}} + // CHECK ret void let y = match into_result(x) { Err(e) => return from_error(From::from(e)), Ok(v) => v, diff --git a/tests/codegen/try_question_mark_nop.rs b/tests/codegen/try_question_mark_nop.rs index f6cdf9552097..c23f41f54671 100644 --- a/tests/codegen/try_question_mark_nop.rs +++ b/tests/codegen/try_question_mark_nop.rs @@ -4,7 +4,7 @@ #![crate_type = "lib"] #![feature(try_blocks)] -use std::ops::ControlFlow::{self, Continue, Break}; +use std::ops::ControlFlow::{self, Break, Continue}; use std::ptr::NonNull; // CHECK-LABEL: @option_nop_match_32 @@ -27,9 +27,7 @@ pub fn option_nop_traits_32(x: Option) -> Option { // CHECK-NEXT: insertvalue { i32, i32 } // CHECK-NEXT: insertvalue { i32, i32 } // CHECK-NEXT: ret { i32, i32 } - try { - x? - } + try { x? } } // CHECK-LABEL: @result_nop_match_32 @@ -52,9 +50,7 @@ pub fn result_nop_traits_32(x: Result) -> Result { // CHECK-NEXT: insertvalue { i32, i32 } // CHECK-NEXT: insertvalue { i32, i32 } // CHECK-NEXT: ret { i32, i32 } - try { - x? - } + try { x? } } // CHECK-LABEL: @result_nop_match_64 @@ -77,9 +73,7 @@ pub fn result_nop_traits_64(x: Result) -> Result { // CHECK-NEXT: insertvalue { i64, i64 } // CHECK-NEXT: insertvalue { i64, i64 } // CHECK-NEXT: ret { i64, i64 } - try { - x? - } + try { x? } } // CHECK-LABEL: @result_nop_match_ptr @@ -102,9 +96,7 @@ pub fn result_nop_traits_ptr(x: Result>) -> Result) -> ControlFlow ScalarZstLast { loop {} } +pub fn test_ScalarZstLast(_: ScalarZstLast) -> ScalarZstLast { + loop {} +} type ScalarZstFirst = ((), u128); // CHECK: define {{(dso_local )?}}i128 @test_ScalarZstFirst(i128 %_1) #[no_mangle] -pub fn test_ScalarZstFirst(_: ScalarZstFirst) -> ScalarZstFirst { loop {} } +pub fn test_ScalarZstFirst(_: ScalarZstFirst) -> ScalarZstFirst { + loop {} +} type ScalarPairZstLast = (u8, u128, ()); // CHECK: define {{(dso_local )?}}{ i128, i8 } @test_ScalarPairZstLast(i128 %_1.0, i8 %_1.1) #[no_mangle] -pub fn test_ScalarPairZstLast(_: ScalarPairZstLast) -> ScalarPairZstLast { loop {} } +pub fn test_ScalarPairZstLast(_: ScalarPairZstLast) -> ScalarPairZstLast { + loop {} +} type ScalarPairZstFirst = ((), u8, u128); // CHECK: define {{(dso_local )?}}{ i8, i128 } @test_ScalarPairZstFirst(i8 %_1.0, i128 %_1.1) #[no_mangle] -pub fn test_ScalarPairZstFirst(_: ScalarPairZstFirst) -> ScalarPairZstFirst { loop {} } +pub fn test_ScalarPairZstFirst(_: ScalarPairZstFirst) -> ScalarPairZstFirst { + loop {} +} type ScalarPairLotsOfZsts = ((), u8, (), u128, ()); // CHECK: define {{(dso_local )?}}{ i128, i8 } @test_ScalarPairLotsOfZsts(i128 %_1.0, i8 %_1.1) #[no_mangle] -pub fn test_ScalarPairLotsOfZsts(_: ScalarPairLotsOfZsts) -> ScalarPairLotsOfZsts { loop {} } +pub fn test_ScalarPairLotsOfZsts(_: ScalarPairLotsOfZsts) -> ScalarPairLotsOfZsts { + loop {} +} type ScalarPairLottaNesting = (((), ((), u8, (), u128, ())), ()); // CHECK: define {{(dso_local )?}}{ i128, i8 } @test_ScalarPairLottaNesting(i128 %_1.0, i8 %_1.1) #[no_mangle] -pub fn test_ScalarPairLottaNesting(_: ScalarPairLottaNesting) -> ScalarPairLottaNesting { loop {} } +pub fn test_ScalarPairLottaNesting(_: ScalarPairLottaNesting) -> ScalarPairLottaNesting { + loop {} +} diff --git a/tests/codegen/union-abi.rs b/tests/codegen/union-abi.rs index b1b0daa13b64..9e02fa9ff359 100644 --- a/tests/codegen/union-abi.rs +++ b/tests/codegen/union-abi.rs @@ -4,7 +4,7 @@ // This test that using union forward the abi of the inner type, as // discussed in #54668 -#![crate_type="lib"] +#![crate_type = "lib"] #![feature(repr_simd)] #[derive(Copy, Clone)] @@ -15,62 +15,111 @@ pub enum Unhab {} pub struct i64x4(i64, i64, i64, i64); #[derive(Copy, Clone)] -pub union UnionI64x4{ a:(), b: i64x4 } +pub union UnionI64x4 { + a: (), + b: i64x4, +} // CHECK: define {{(dso_local )?}}void @test_UnionI64x4(ptr {{.*}} %_1) #[no_mangle] -pub fn test_UnionI64x4(_: UnionI64x4) { loop {} } +pub fn test_UnionI64x4(_: UnionI64x4) { + loop {} +} -pub union UnionI64x4_{ a: i64x4, b: (), c:i64x4, d: Unhab, e: ((),()), f: UnionI64x4 } +pub union UnionI64x4_ { + a: i64x4, + b: (), + c: i64x4, + d: Unhab, + e: ((), ()), + f: UnionI64x4, +} // CHECK: define {{(dso_local )?}}void @test_UnionI64x4_(ptr {{.*}} %_1) #[no_mangle] -pub fn test_UnionI64x4_(_: UnionI64x4_) { loop {} } +pub fn test_UnionI64x4_(_: UnionI64x4_) { + loop {} +} -pub union UnionI64x4I64{ a: i64x4, b: i64 } +pub union UnionI64x4I64 { + a: i64x4, + b: i64, +} // CHECK: define {{(dso_local )?}}void @test_UnionI64x4I64(ptr {{.*}} %_1) #[no_mangle] -pub fn test_UnionI64x4I64(_: UnionI64x4I64) { loop {} } +pub fn test_UnionI64x4I64(_: UnionI64x4I64) { + loop {} +} -pub union UnionI64x4Tuple{ a: i64x4, b: (i64, i64, i64, i64) } +pub union UnionI64x4Tuple { + a: i64x4, + b: (i64, i64, i64, i64), +} // CHECK: define {{(dso_local )?}}void @test_UnionI64x4Tuple(ptr {{.*}} %_1) #[no_mangle] -pub fn test_UnionI64x4Tuple(_: UnionI64x4Tuple) { loop {} } +pub fn test_UnionI64x4Tuple(_: UnionI64x4Tuple) { + loop {} +} - -pub union UnionF32{a:f32} +pub union UnionF32 { + a: f32, +} // CHECK: define {{(dso_local )?}}float @test_UnionF32(float %_1) #[no_mangle] -pub fn test_UnionF32(_: UnionF32) -> UnionF32 { loop {} } +pub fn test_UnionF32(_: UnionF32) -> UnionF32 { + loop {} +} -pub union UnionF32F32{a:f32, b:f32} +pub union UnionF32F32 { + a: f32, + b: f32, +} // CHECK: define {{(dso_local )?}}float @test_UnionF32F32(float %_1) #[no_mangle] -pub fn test_UnionF32F32(_: UnionF32F32) -> UnionF32F32 { loop {} } +pub fn test_UnionF32F32(_: UnionF32F32) -> UnionF32F32 { + loop {} +} -pub union UnionF32U32{a:f32, b:u32} +pub union UnionF32U32 { + a: f32, + b: u32, +} // CHECK: define {{(dso_local )?}}i32 @test_UnionF32U32(i32{{( %0)?}}) #[no_mangle] -pub fn test_UnionF32U32(_: UnionF32U32) -> UnionF32U32 { loop {} } +pub fn test_UnionF32U32(_: UnionF32U32) -> UnionF32U32 { + loop {} +} -pub union UnionU128{a:u128} +pub union UnionU128 { + a: u128, +} // CHECK: define {{(dso_local )?}}i128 @test_UnionU128(i128 %_1) #[no_mangle] -pub fn test_UnionU128(_: UnionU128) -> UnionU128 { loop {} } +pub fn test_UnionU128(_: UnionU128) -> UnionU128 { + loop {} +} #[repr(C)] -pub union CUnionU128{a:u128} +pub union CUnionU128 { + a: u128, +} // CHECK: define {{(dso_local )?}}void @test_CUnionU128(ptr {{.*}} %_1) #[no_mangle] -pub fn test_CUnionU128(_: CUnionU128) { loop {} } +pub fn test_CUnionU128(_: CUnionU128) { + loop {} +} -pub union UnionBool { b:bool } +pub union UnionBool { + b: bool, +} // CHECK: define {{(dso_local )?}}noundef zeroext i1 @test_UnionBool(i8 %b) #[no_mangle] -pub fn test_UnionBool(b: UnionBool) -> bool { unsafe { b.b } } +pub fn test_UnionBool(b: UnionBool) -> bool { + unsafe { b.b } +} // CHECK: %_0 = trunc i8 %b to i1 diff --git a/tests/codegen/unwind-abis/aapcs-unwind-abi.rs b/tests/codegen/unwind-abis/aapcs-unwind-abi.rs index 484af78105f1..48c7ecf78242 100644 --- a/tests/codegen/unwind-abis/aapcs-unwind-abi.rs +++ b/tests/codegen/unwind-abis/aapcs-unwind-abi.rs @@ -2,8 +2,8 @@ //@ compile-flags: --target=armv7-unknown-linux-gnueabihf --crate-type=rlib -Cno-prepopulate-passes #![no_core] #![feature(no_core, lang_items, c_unwind)] -#[lang="sized"] -trait Sized { } +#[lang = "sized"] +trait Sized {} // Test that `nounwind` attributes are correctly applied to exported `aapcs` and // `aapcs-unwind` extern functions. `aapcs-unwind` functions MUST NOT have this attribute. We @@ -11,13 +11,11 @@ trait Sized { } // CHECK: @rust_item_that_cannot_unwind() unnamed_addr #0 { #[no_mangle] -pub extern "aapcs" fn rust_item_that_cannot_unwind() { -} +pub extern "aapcs" fn rust_item_that_cannot_unwind() {} // CHECK: @rust_item_that_can_unwind() unnamed_addr #1 { #[no_mangle] -pub extern "aapcs-unwind" fn rust_item_that_can_unwind() { -} +pub extern "aapcs-unwind" fn rust_item_that_can_unwind() {} // Now, make some assertions that the LLVM attributes for these functions are correct. First, make // sure that the first item is correctly marked with the `nounwind` attribute: diff --git a/tests/codegen/unwind-abis/c-unwind-abi.rs b/tests/codegen/unwind-abis/c-unwind-abi.rs index 140c18e6bb33..99763943a6ac 100644 --- a/tests/codegen/unwind-abis/c-unwind-abi.rs +++ b/tests/codegen/unwind-abis/c-unwind-abi.rs @@ -10,13 +10,11 @@ // CHECK: @rust_item_that_cannot_unwind() unnamed_addr #0 { #[no_mangle] -pub extern "C" fn rust_item_that_cannot_unwind() { -} +pub extern "C" fn rust_item_that_cannot_unwind() {} // CHECK: @rust_item_that_can_unwind() unnamed_addr #1 { #[no_mangle] -pub extern "C-unwind" fn rust_item_that_can_unwind() { -} +pub extern "C-unwind" fn rust_item_that_can_unwind() {} // Now, make some assertions that the LLVM attributes for these functions are correct. First, make // sure that the first item is correctly marked with the `nounwind` attribute: diff --git a/tests/codegen/unwind-abis/cdecl-unwind-abi.rs b/tests/codegen/unwind-abis/cdecl-unwind-abi.rs index 5604b8d5765a..78dbb55b35a2 100644 --- a/tests/codegen/unwind-abis/cdecl-unwind-abi.rs +++ b/tests/codegen/unwind-abis/cdecl-unwind-abi.rs @@ -10,13 +10,11 @@ // CHECK: @rust_item_that_cannot_unwind() unnamed_addr #0 { #[no_mangle] -pub extern "cdecl" fn rust_item_that_cannot_unwind() { -} +pub extern "cdecl" fn rust_item_that_cannot_unwind() {} // CHECK: @rust_item_that_can_unwind() unnamed_addr #1 { #[no_mangle] -pub extern "cdecl-unwind" fn rust_item_that_can_unwind() { -} +pub extern "cdecl-unwind" fn rust_item_that_can_unwind() {} // Now, make some assertions that the LLVM attributes for these functions are correct. First, make // sure that the first item is correctly marked with the `nounwind` attribute: diff --git a/tests/codegen/unwind-abis/fastcall-unwind-abi.rs b/tests/codegen/unwind-abis/fastcall-unwind-abi.rs index 18e2cd22c8aa..3cbeaf51d960 100644 --- a/tests/codegen/unwind-abis/fastcall-unwind-abi.rs +++ b/tests/codegen/unwind-abis/fastcall-unwind-abi.rs @@ -2,8 +2,8 @@ //@ compile-flags: --target=i686-pc-windows-msvc --crate-type=rlib -Cno-prepopulate-passes #![no_core] #![feature(no_core, lang_items, c_unwind)] -#[lang="sized"] -trait Sized { } +#[lang = "sized"] +trait Sized {} // Test that `nounwind` attributes are correctly applied to exported `fastcall` and // `fastcall-unwind` extern functions. `fastcall-unwind` functions MUST NOT have this attribute. We @@ -11,13 +11,11 @@ trait Sized { } // CHECK: @rust_item_that_cannot_unwind() unnamed_addr #0 { #[no_mangle] -pub extern "fastcall" fn rust_item_that_cannot_unwind() { -} +pub extern "fastcall" fn rust_item_that_cannot_unwind() {} // CHECK: @rust_item_that_can_unwind() unnamed_addr #1 { #[no_mangle] -pub extern "fastcall-unwind" fn rust_item_that_can_unwind() { -} +pub extern "fastcall-unwind" fn rust_item_that_can_unwind() {} // Now, make some assertions that the LLVM attributes for these functions are correct. First, make // sure that the first item is correctly marked with the `nounwind` attribute: diff --git a/tests/codegen/unwind-abis/stdcall-unwind-abi.rs b/tests/codegen/unwind-abis/stdcall-unwind-abi.rs index a5e600fe076f..ffb235cd1168 100644 --- a/tests/codegen/unwind-abis/stdcall-unwind-abi.rs +++ b/tests/codegen/unwind-abis/stdcall-unwind-abi.rs @@ -2,8 +2,8 @@ //@ compile-flags: --target=i686-pc-windows-msvc --crate-type=rlib -Cno-prepopulate-passes #![no_core] #![feature(no_core, lang_items, c_unwind)] -#[lang="sized"] -trait Sized { } +#[lang = "sized"] +trait Sized {} // Test that `nounwind` attributes are correctly applied to exported `stdcall` and `stdcall-unwind` // extern functions. `stdcall-unwind` functions MUST NOT have this attribute. We disable @@ -11,13 +11,11 @@ trait Sized { } // CHECK: @rust_item_that_cannot_unwind() unnamed_addr #0 { #[no_mangle] -pub extern "stdcall" fn rust_item_that_cannot_unwind() { -} +pub extern "stdcall" fn rust_item_that_cannot_unwind() {} // CHECK: @rust_item_that_can_unwind() unnamed_addr #1 { #[no_mangle] -pub extern "stdcall-unwind" fn rust_item_that_can_unwind() { -} +pub extern "stdcall-unwind" fn rust_item_that_can_unwind() {} // Now, make some assertions that the LLVM attributes for these functions are correct. First, make // sure that the first item is correctly marked with the `nounwind` attribute: diff --git a/tests/codegen/unwind-abis/system-unwind-abi.rs b/tests/codegen/unwind-abis/system-unwind-abi.rs index b001c1f951c4..1dd0e9bbbec7 100644 --- a/tests/codegen/unwind-abis/system-unwind-abi.rs +++ b/tests/codegen/unwind-abis/system-unwind-abi.rs @@ -10,13 +10,11 @@ // CHECK: @rust_item_that_cannot_unwind() unnamed_addr #0 { #[no_mangle] -pub extern "system" fn rust_item_that_cannot_unwind() { -} +pub extern "system" fn rust_item_that_cannot_unwind() {} // CHECK: @rust_item_that_can_unwind() unnamed_addr #1 { #[no_mangle] -pub extern "system-unwind" fn rust_item_that_can_unwind() { -} +pub extern "system-unwind" fn rust_item_that_can_unwind() {} // Now, make some assertions that the LLVM attributes for these functions are correct. First, make // sure that the first item is correctly marked with the `nounwind` attribute: diff --git a/tests/codegen/unwind-abis/sysv64-unwind-abi.rs b/tests/codegen/unwind-abis/sysv64-unwind-abi.rs index 49407f748bc3..9824009dc559 100644 --- a/tests/codegen/unwind-abis/sysv64-unwind-abi.rs +++ b/tests/codegen/unwind-abis/sysv64-unwind-abi.rs @@ -2,8 +2,8 @@ //@ compile-flags: --target=x86_64-unknown-linux-gnu --crate-type=rlib -Cno-prepopulate-passes #![no_core] #![feature(no_core, lang_items, c_unwind)] -#[lang="sized"] -trait Sized { } +#[lang = "sized"] +trait Sized {} // Test that `nounwind` attributes are correctly applied to exported `sysv64` and // `sysv64-unwind` extern functions. `sysv64-unwind` functions MUST NOT have this attribute. We @@ -11,13 +11,11 @@ trait Sized { } // CHECK: @rust_item_that_cannot_unwind() unnamed_addr #0 { #[no_mangle] -pub extern "sysv64" fn rust_item_that_cannot_unwind() { -} +pub extern "sysv64" fn rust_item_that_cannot_unwind() {} // CHECK: @rust_item_that_can_unwind() unnamed_addr #1 { #[no_mangle] -pub extern "sysv64-unwind" fn rust_item_that_can_unwind() { -} +pub extern "sysv64-unwind" fn rust_item_that_can_unwind() {} // Now, make some assertions that the LLVM attributes for these functions are correct. First, make // sure that the first item is correctly marked with the `nounwind` attribute: diff --git a/tests/codegen/unwind-abis/thiscall-unwind-abi.rs b/tests/codegen/unwind-abis/thiscall-unwind-abi.rs index d07e9b81d783..a96f4d5a350c 100644 --- a/tests/codegen/unwind-abis/thiscall-unwind-abi.rs +++ b/tests/codegen/unwind-abis/thiscall-unwind-abi.rs @@ -2,8 +2,8 @@ //@ compile-flags: --target=i686-pc-windows-msvc --crate-type=rlib -Cno-prepopulate-passes #![no_core] #![feature(no_core, lang_items, c_unwind)] -#[lang="sized"] -trait Sized { } +#[lang = "sized"] +trait Sized {} // Test that `nounwind` attributes are correctly applied to exported `thiscall` and // `thiscall-unwind` extern functions. `thiscall-unwind` functions MUST NOT have this attribute. We @@ -11,13 +11,11 @@ trait Sized { } // CHECK: @rust_item_that_cannot_unwind() unnamed_addr #0 { #[no_mangle] -pub extern "thiscall" fn rust_item_that_cannot_unwind() { -} +pub extern "thiscall" fn rust_item_that_cannot_unwind() {} // CHECK: @rust_item_that_can_unwind() unnamed_addr #1 { #[no_mangle] -pub extern "thiscall-unwind" fn rust_item_that_can_unwind() { -} +pub extern "thiscall-unwind" fn rust_item_that_can_unwind() {} // Now, make some assertions that the LLVM attributes for these functions are correct. First, make // sure that the first item is correctly marked with the `nounwind` attribute: diff --git a/tests/codegen/unwind-abis/vectorcall-unwind-abi.rs b/tests/codegen/unwind-abis/vectorcall-unwind-abi.rs index a89794fbf6e3..9929e3e3703d 100644 --- a/tests/codegen/unwind-abis/vectorcall-unwind-abi.rs +++ b/tests/codegen/unwind-abis/vectorcall-unwind-abi.rs @@ -2,8 +2,8 @@ //@ compile-flags: --target=i686-pc-windows-msvc --crate-type=rlib -Cno-prepopulate-passes #![no_core] #![feature(no_core, lang_items, c_unwind, abi_vectorcall)] -#[lang="sized"] -trait Sized { } +#[lang = "sized"] +trait Sized {} // Test that `nounwind` attributes are correctly applied to exported `vectorcall` and // `vectorcall-unwind` extern functions. `vectorcall-unwind` functions MUST NOT have this attribute. @@ -11,13 +11,11 @@ trait Sized { } // CHECK: @rust_item_that_cannot_unwind() unnamed_addr #0 { #[no_mangle] -pub extern "vectorcall" fn rust_item_that_cannot_unwind() { -} +pub extern "vectorcall" fn rust_item_that_cannot_unwind() {} // CHECK: @rust_item_that_can_unwind() unnamed_addr #1 { #[no_mangle] -pub extern "vectorcall-unwind" fn rust_item_that_can_unwind() { -} +pub extern "vectorcall-unwind" fn rust_item_that_can_unwind() {} // Now, make some assertions that the LLVM attributes for these functions are correct. First, make // sure that the first item is correctly marked with the `nounwind` attribute: diff --git a/tests/codegen/unwind-abis/win64-unwind-abi.rs b/tests/codegen/unwind-abis/win64-unwind-abi.rs index aa466469c4de..a45a94f628d1 100644 --- a/tests/codegen/unwind-abis/win64-unwind-abi.rs +++ b/tests/codegen/unwind-abis/win64-unwind-abi.rs @@ -2,8 +2,8 @@ //@ compile-flags: --target=x86_64-unknown-linux-gnu --crate-type=rlib -Cno-prepopulate-passes #![no_core] #![feature(no_core, lang_items, c_unwind)] -#[lang="sized"] -trait Sized { } +#[lang = "sized"] +trait Sized {} // Test that `nounwind` attributes are correctly applied to exported `win64` and // `win64-unwind` extern functions. `win64-unwind` functions MUST NOT have this attribute. We @@ -11,13 +11,11 @@ trait Sized { } // CHECK: @rust_item_that_cannot_unwind() unnamed_addr #0 { #[no_mangle] -pub extern "win64" fn rust_item_that_cannot_unwind() { -} +pub extern "win64" fn rust_item_that_cannot_unwind() {} // CHECK: @rust_item_that_can_unwind() unnamed_addr #1 { #[no_mangle] -pub extern "win64-unwind" fn rust_item_that_can_unwind() { -} +pub extern "win64-unwind" fn rust_item_that_can_unwind() {} // Now, make some assertions that the LLVM attributes for these functions are correct. First, make // sure that the first item is correctly marked with the `nounwind` attribute: diff --git a/tests/codegen/vec-iter-collect-len.rs b/tests/codegen/vec-iter-collect-len.rs index e4242c574023..8c5d2f6f9a74 100644 --- a/tests/codegen/vec-iter-collect-len.rs +++ b/tests/codegen/vec-iter-collect-len.rs @@ -1,5 +1,5 @@ //@ compile-flags: -O -#![crate_type="lib"] +#![crate_type = "lib"] #[no_mangle] pub fn get_len() -> usize { diff --git a/tests/codegen/vtable-upcast.rs b/tests/codegen/vtable-upcast.rs index 41a4be26cb44..ae7b4bf7aee9 100644 --- a/tests/codegen/vtable-upcast.rs +++ b/tests/codegen/vtable-upcast.rs @@ -8,15 +8,15 @@ pub trait Base { fn base(&self); } -pub trait A : Base { +pub trait A: Base { fn a(&self); } -pub trait B : Base { +pub trait B: Base { fn b(&self); } -pub trait Diamond : A + B { +pub trait Diamond: A + B { fn diamond(&self); } diff --git a/tests/codegen/wasm_exceptions.rs b/tests/codegen/wasm_exceptions.rs index a53722f834c5..3910850e03a0 100644 --- a/tests/codegen/wasm_exceptions.rs +++ b/tests/codegen/wasm_exceptions.rs @@ -5,7 +5,7 @@ #![feature(core_intrinsics)] #![feature(rustc_attrs)] -extern { +extern "C" { fn may_panic(); #[rustc_nounwind] @@ -16,7 +16,9 @@ struct LogOnDrop; impl Drop for LogOnDrop { fn drop(&mut self) { - unsafe { log_number(0); } + unsafe { + log_number(0); + } } } @@ -24,7 +26,9 @@ impl Drop for LogOnDrop { #[no_mangle] pub fn test_cleanup() { let _log_on_drop = LogOnDrop; - unsafe { may_panic(); } + unsafe { + may_panic(); + } // CHECK-NOT: call // CHECK: invoke void @may_panic() @@ -35,12 +39,16 @@ pub fn test_cleanup() { #[no_mangle] pub fn test_rtry() { unsafe { - core::intrinsics::catch_unwind(|_| { - may_panic(); - }, core::ptr::null_mut(), |data, exception| { - log_number(data as usize); - log_number(exception as usize); - }); + core::intrinsics::catch_unwind( + |_| { + may_panic(); + }, + core::ptr::null_mut(), + |data, exception| { + log_number(data as usize); + log_number(exception as usize); + }, + ); } // CHECK-NOT: call diff --git a/tests/codegen/zip.rs b/tests/codegen/zip.rs index 5db0a93b78ef..ea8caba61f39 100644 --- a/tests/codegen/zip.rs +++ b/tests/codegen/zip.rs @@ -5,7 +5,7 @@ // CHECK-LABEL: @zip_copy #[no_mangle] pub fn zip_copy(xs: &[u8], ys: &mut [u8]) { -// CHECK: memcpy + // CHECK: memcpy for (x, y) in xs.iter().zip(ys) { *y = *x; } @@ -14,7 +14,7 @@ pub fn zip_copy(xs: &[u8], ys: &mut [u8]) { // CHECK-LABEL: @zip_copy_mapped #[no_mangle] pub fn zip_copy_mapped(xs: &[u8], ys: &mut [u8]) { -// CHECK: memcpy + // CHECK: memcpy for (x, y) in xs.iter().map(|&x| x).zip(ys) { *y = x; } diff --git a/tests/codegen/zst-offset.rs b/tests/codegen/zst-offset.rs index b623d492d9d6..14e97fd26ddf 100644 --- a/tests/codegen/zst-offset.rs +++ b/tests/codegen/zst-offset.rs @@ -6,14 +6,13 @@ // Hack to get the correct size for the length part in slices // CHECK: @helper([[USIZE:i[0-9]+]] %_1) #[no_mangle] -pub fn helper(_: usize) { -} +pub fn helper(_: usize) {} // Check that we correctly generate a GEP for a ZST that is not included in Scalar layout // CHECK-LABEL: @scalar_layout #[no_mangle] pub fn scalar_layout(s: &(u64, ())) { -// CHECK: getelementptr inbounds i8, {{.+}}, [[USIZE]] 8 + // CHECK: getelementptr inbounds i8, {{.+}}, [[USIZE]] 8 let x = &s.1; witness(&x); // keep variable in an alloca } @@ -22,7 +21,7 @@ pub fn scalar_layout(s: &(u64, ())) { // CHECK-LABEL: @scalarpair_layout #[no_mangle] pub fn scalarpair_layout(s: &(u64, u32, ())) { -// CHECK: getelementptr inbounds i8, {{.+}}, [[USIZE]] 12 + // CHECK: getelementptr inbounds i8, {{.+}}, [[USIZE]] 12 let x = &s.2; witness(&x); // keep variable in an alloca } @@ -34,7 +33,7 @@ pub struct U64x4(u64, u64, u64, u64); // CHECK-LABEL: @vector_layout #[no_mangle] pub fn vector_layout(s: &(U64x4, ())) { -// CHECK: getelementptr inbounds i8, {{.+}}, [[USIZE]] 32 + // CHECK: getelementptr inbounds i8, {{.+}}, [[USIZE]] 32 let x = &s.1; witness(&x); // keep variable in an alloca } From 780a91786ec73a0ec1d2847e860f2d71dd7704fe Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 29 May 2024 14:25:55 +1000 Subject: [PATCH 0810/1716] Run rustfmt on `tests/codegen-units/`. --- rustfmt.toml | 1 - .../auxiliary/cgu_export_trait_method.rs | 38 +++-- .../auxiliary/cgu_extern_closures.rs | 9 +- .../item-collection/cross-crate-closures.rs | 1 - .../cross-crate-trait-method.rs | 2 - .../drop_in_place_intrinsic.rs | 1 - .../item-collection/function-as-argument.rs | 1 - .../item-collection/generic-drop-glue.rs | 13 +- .../item-collection/generic-impl.rs | 13 +- .../instantiation-through-vtable.rs | 6 +- .../item-collection/non-generic-drop-glue.rs | 12 +- .../item-collection/non-generic-functions.rs | 4 +- .../item-collection/overloaded-operators.rs | 20 +-- .../item-collection/static-init.rs | 4 +- .../item-collection/trait-implementations.rs | 34 ++-- .../trait-method-as-argument.rs | 13 +- .../trait-method-default-impl.rs | 8 +- .../codegen-units/item-collection/unsizing.rs | 8 +- .../unused-traits-and-generics.rs | 8 +- .../auxiliary/shared_generics_aux.rs | 2 +- .../partitioning/extern-generic.rs | 2 +- .../inlining-from-extern-crate.rs | 11 +- .../partitioning/local-generic.rs | 6 +- .../local-inlining-but-not-all.rs | 11 +- .../partitioning/local-inlining.rs | 11 +- .../partitioning/local-transitive-inlining.rs | 11 +- .../methods-are-with-self-type.rs | 5 +- .../partitioning/regular-modules.rs | 2 +- .../partitioning/shared-generics.rs | 3 +- tests/codegen-units/partitioning/statics.rs | 2 +- .../partitioning/vtable-through-const.rs | 22 ++- .../unused_type_parameters.rs | 153 +++++++++--------- 32 files changed, 208 insertions(+), 229 deletions(-) diff --git a/rustfmt.toml b/rustfmt.toml index 24d300e91fa6..5f40abcbaa5b 100644 --- a/rustfmt.toml +++ b/rustfmt.toml @@ -15,7 +15,6 @@ ignore = [ # - some UI tests are broken by different formatting # - some require special comments in a particular position (e.g. `EMIT_MIR` comments) "/tests/codegen/simd-intrinsic/", # Many types like `u8x64` are better hand-formatted. - "/tests/codegen-units/", "/tests/coverage/", "/tests/coverage-run-rustdoc/", "/tests/crashes/", diff --git a/tests/codegen-units/item-collection/auxiliary/cgu_export_trait_method.rs b/tests/codegen-units/item-collection/auxiliary/cgu_export_trait_method.rs index 5566bb4e4b28..1992baf8c765 100644 --- a/tests/codegen-units/item-collection/auxiliary/cgu_export_trait_method.rs +++ b/tests/codegen-units/item-collection/auxiliary/cgu_export_trait_method.rs @@ -2,25 +2,43 @@ #![crate_type = "lib"] -pub trait Trait : Sized { +pub trait Trait: Sized { fn without_self() -> u32; - fn without_self_default() -> u32 { 0 } + fn without_self_default() -> u32 { + 0 + } - fn with_default_impl(self) -> Self { self } - fn with_default_impl_generic(self, x: T) -> (Self, T) { (self, x) } + fn with_default_impl(self) -> Self { + self + } + fn with_default_impl_generic(self, x: T) -> (Self, T) { + (self, x) + } fn without_default_impl(x: u32) -> (Self, u32); fn without_default_impl_generic(x: T) -> (Self, T); } impl Trait for char { - fn without_self() -> u32 { 2 } - fn without_default_impl(x: u32) -> (Self, u32) { ('c', x) } - fn without_default_impl_generic(x: T) -> (Self, T) { ('c', x) } + fn without_self() -> u32 { + 2 + } + fn without_default_impl(x: u32) -> (Self, u32) { + ('c', x) + } + fn without_default_impl_generic(x: T) -> (Self, T) { + ('c', x) + } } impl Trait for u32 { - fn without_self() -> u32 { 1 } - fn without_default_impl(x: u32) -> (Self, u32) { (0, x) } - fn without_default_impl_generic(x: T) -> (Self, T) { (0, x) } + fn without_self() -> u32 { + 1 + } + fn without_default_impl(x: u32) -> (Self, u32) { + (0, x) + } + fn without_default_impl_generic(x: T) -> (Self, T) { + (0, x) + } } diff --git a/tests/codegen-units/item-collection/auxiliary/cgu_extern_closures.rs b/tests/codegen-units/item-collection/auxiliary/cgu_extern_closures.rs index 05ea0a89ff29..0192a3d4188c 100644 --- a/tests/codegen-units/item-collection/auxiliary/cgu_extern_closures.rs +++ b/tests/codegen-units/item-collection/auxiliary/cgu_extern_closures.rs @@ -2,22 +2,19 @@ #[inline] pub fn inlined_fn(x: i32, y: i32) -> i32 { - - let closure = |a, b| { a + b }; + let closure = |a, b| a + b; closure(x, y) } pub fn inlined_fn_generic(x: i32, y: i32, z: T) -> (i32, T) { - - let closure = |a, b| { a + b }; + let closure = |a, b| a + b; (closure(x, y), z) } pub fn non_inlined_fn(x: i32, y: i32) -> i32 { - - let closure = |a, b| { a + b }; + let closure = |a, b| a + b; closure(x, y) } diff --git a/tests/codegen-units/item-collection/cross-crate-closures.rs b/tests/codegen-units/item-collection/cross-crate-closures.rs index 4ec7f17d5847..2dab19401ed7 100644 --- a/tests/codegen-units/item-collection/cross-crate-closures.rs +++ b/tests/codegen-units/item-collection/cross-crate-closures.rs @@ -14,7 +14,6 @@ extern crate cgu_extern_closures; //~ MONO_ITEM fn cross_crate_closures::start[0] #[start] fn start(_: isize, _: *const *const u8) -> isize { - //~ MONO_ITEM fn cgu_extern_closures::inlined_fn[0] //~ MONO_ITEM fn cgu_extern_closures::inlined_fn[0]::{{closure}}[0] let _ = cgu_extern_closures::inlined_fn(1, 2); diff --git a/tests/codegen-units/item-collection/cross-crate-trait-method.rs b/tests/codegen-units/item-collection/cross-crate-trait-method.rs index 84977328e490..997777603155 100644 --- a/tests/codegen-units/item-collection/cross-crate-trait-method.rs +++ b/tests/codegen-units/item-collection/cross-crate-trait-method.rs @@ -24,8 +24,6 @@ fn start(_: isize, _: *const *const u8) -> isize { //~ MONO_ITEM fn ::with_default_impl let _ = Trait::with_default_impl('c'); - - //~ MONO_ITEM fn ::with_default_impl_generic::<&str> let _ = Trait::with_default_impl_generic(0u32, "abc"); //~ MONO_ITEM fn ::with_default_impl_generic:: diff --git a/tests/codegen-units/item-collection/drop_in_place_intrinsic.rs b/tests/codegen-units/item-collection/drop_in_place_intrinsic.rs index 66dcda260660..947faa165a9c 100644 --- a/tests/codegen-units/item-collection/drop_in_place_intrinsic.rs +++ b/tests/codegen-units/item-collection/drop_in_place_intrinsic.rs @@ -15,7 +15,6 @@ impl Drop for StructWithDtor { //~ MONO_ITEM fn start #[start] fn start(_: isize, _: *const *const u8) -> isize { - //~ MONO_ITEM fn std::ptr::drop_in_place::<[StructWithDtor; 2]> - shim(Some([StructWithDtor; 2])) @@ drop_in_place_intrinsic-cgu.0[Internal] let x = [StructWithDtor(0), StructWithDtor(1)]; diff --git a/tests/codegen-units/item-collection/function-as-argument.rs b/tests/codegen-units/item-collection/function-as-argument.rs index 4e6fd99d29ed..4be713dc3673 100644 --- a/tests/codegen-units/item-collection/function-as-argument.rs +++ b/tests/codegen-units/item-collection/function-as-argument.rs @@ -16,7 +16,6 @@ fn take_fn_pointer(f: fn(T1, T2), x: T1, y: T2) { //~ MONO_ITEM fn start #[start] fn start(_: isize, _: *const *const u8) -> isize { - //~ MONO_ITEM fn take_fn_once::}> //~ MONO_ITEM fn function:: //~ MONO_ITEM fn } as std::ops::FnOnce<(u32, &str)>>::call_once - shim(fn(u32, &str) {function::}) diff --git a/tests/codegen-units/item-collection/generic-drop-glue.rs b/tests/codegen-units/item-collection/generic-drop-glue.rs index 99250dc7dc67..d861d269fae4 100644 --- a/tests/codegen-units/item-collection/generic-drop-glue.rs +++ b/tests/codegen-units/item-collection/generic-drop-glue.rs @@ -21,7 +21,7 @@ struct StructNoDrop { enum EnumWithDrop { A(T1), - B(T2) + B(T2), } impl Drop for EnumWithDrop { @@ -30,10 +30,9 @@ impl Drop for EnumWithDrop { enum EnumNoDrop { A(T1), - B(T2) + B(T2), } - struct NonGenericNoDrop(#[allow(dead_code)] i32); struct NonGenericWithDrop(#[allow(dead_code)] i32); @@ -67,24 +66,24 @@ fn start(_: isize, _: *const *const u8) -> isize { //~ MONO_ITEM fn as std::ops::Drop>::drop let _ = match EnumWithDrop::A::(0) { EnumWithDrop::A(x) => x, - EnumWithDrop::B(x) => x as i32 + EnumWithDrop::B(x) => x as i32, }; //~ MONO_ITEM fn std::ptr::drop_in_place::> - shim(Some(EnumWithDrop)) @@ generic_drop_glue-cgu.0[Internal] //~ MONO_ITEM fn as std::ops::Drop>::drop let _ = match EnumWithDrop::B::(1.0) { EnumWithDrop::A(x) => x, - EnumWithDrop::B(x) => x as f64 + EnumWithDrop::B(x) => x as f64, }; let _ = match EnumNoDrop::A::(0) { EnumNoDrop::A(x) => x, - EnumNoDrop::B(x) => x as i32 + EnumNoDrop::B(x) => x as i32, }; let _ = match EnumNoDrop::B::(1.0) { EnumNoDrop::A(x) => x, - EnumNoDrop::B(x) => x as f64 + EnumNoDrop::B(x) => x as f64, }; 0 diff --git a/tests/codegen-units/item-collection/generic-impl.rs b/tests/codegen-units/item-collection/generic-impl.rs index 6e60907c1857..23d09e0d8af3 100644 --- a/tests/codegen-units/item-collection/generic-impl.rs +++ b/tests/codegen-units/item-collection/generic-impl.rs @@ -8,15 +8,13 @@ struct Struct { f: fn(x: T) -> T, } -fn id(x: T) -> T { x } +fn id(x: T) -> T { + x +} impl Struct { - fn new(x: T) -> Struct { - Struct { - x: x, - f: id - } + Struct { x: x, f: id } } fn get(self, x: T2) -> (T, T2) { @@ -25,11 +23,10 @@ impl Struct { } pub struct LifeTimeOnly<'a> { - _a: &'a u32 + _a: &'a u32, } impl<'a> LifeTimeOnly<'a> { - //~ MONO_ITEM fn LifeTimeOnly::<'_>::foo pub fn foo(&self) {} //~ MONO_ITEM fn LifeTimeOnly::<'_>::bar diff --git a/tests/codegen-units/item-collection/instantiation-through-vtable.rs b/tests/codegen-units/item-collection/instantiation-through-vtable.rs index 08e8c03a7328..59dd4311a03b 100644 --- a/tests/codegen-units/item-collection/instantiation-through-vtable.rs +++ b/tests/codegen-units/item-collection/instantiation-through-vtable.rs @@ -10,11 +10,13 @@ trait Trait { } struct Struct { - _a: T + _a: T, } impl Trait for Struct { - fn foo(&self) -> u32 { 0 } + fn foo(&self) -> u32 { + 0 + } fn bar(&self) {} } diff --git a/tests/codegen-units/item-collection/non-generic-drop-glue.rs b/tests/codegen-units/item-collection/non-generic-drop-glue.rs index d74b17463bf1..f7bb2f3f2f4d 100644 --- a/tests/codegen-units/item-collection/non-generic-drop-glue.rs +++ b/tests/codegen-units/item-collection/non-generic-drop-glue.rs @@ -7,7 +7,7 @@ //~ MONO_ITEM fn std::ptr::drop_in_place:: - shim(Some(StructWithDrop)) @@ non_generic_drop_glue-cgu.0[Internal] struct StructWithDrop { - x: i32 + x: i32, } impl Drop for StructWithDrop { @@ -16,12 +16,12 @@ impl Drop for StructWithDrop { } struct StructNoDrop { - x: i32 + x: i32, } //~ MONO_ITEM fn std::ptr::drop_in_place:: - shim(Some(EnumWithDrop)) @@ non_generic_drop_glue-cgu.0[Internal] enum EnumWithDrop { - A(i32) + A(i32), } impl Drop for EnumWithDrop { @@ -30,7 +30,7 @@ impl Drop for EnumWithDrop { } enum EnumNoDrop { - A(i32) + A(i32), } //~ MONO_ITEM fn start @@ -39,10 +39,10 @@ fn start(_: isize, _: *const *const u8) -> isize { let _ = StructWithDrop { x: 0 }.x; let _ = StructNoDrop { x: 0 }.x; let _ = match EnumWithDrop::A(0) { - EnumWithDrop::A(x) => x + EnumWithDrop::A(x) => x, }; let _ = match EnumNoDrop::A(0) { - EnumNoDrop::A(x) => x + EnumNoDrop::A(x) => x, }; 0 diff --git a/tests/codegen-units/item-collection/non-generic-functions.rs b/tests/codegen-units/item-collection/non-generic-functions.rs index 49a999a0d7c8..d4d7d221827d 100644 --- a/tests/codegen-units/item-collection/non-generic-functions.rs +++ b/tests/codegen-units/item-collection/non-generic-functions.rs @@ -25,7 +25,9 @@ fn bar() { baz(); } -struct Struct { _x: i32 } +struct Struct { + _x: i32, +} impl Struct { //~ MONO_ITEM fn Struct::foo diff --git a/tests/codegen-units/item-collection/overloaded-operators.rs b/tests/codegen-units/item-collection/overloaded-operators.rs index 23141c27de6e..69b55695d3d3 100644 --- a/tests/codegen-units/item-collection/overloaded-operators.rs +++ b/tests/codegen-units/item-collection/overloaded-operators.rs @@ -1,12 +1,12 @@ //@ compile-flags:-Zprint-mono-items=eager #![deny(dead_code)] -#![crate_type="lib"] +#![crate_type = "lib"] -use std::ops::{Index, IndexMut, Add, Deref}; +use std::ops::{Add, Deref, Index, IndexMut}; pub struct Indexable { - data: [u8; 3] + data: [u8; 3], } impl Index for Indexable { @@ -14,32 +14,22 @@ impl Index for Indexable { //~ MONO_ITEM fn >::index fn index(&self, index: usize) -> &Self::Output { - if index >= 3 { - &self.data[0] - } else { - &self.data[index] - } + if index >= 3 { &self.data[0] } else { &self.data[index] } } } impl IndexMut for Indexable { //~ MONO_ITEM fn >::index_mut fn index_mut(&mut self, index: usize) -> &mut Self::Output { - if index >= 3 { - &mut self.data[0] - } else { - &mut self.data[index] - } + if index >= 3 { &mut self.data[0] } else { &mut self.data[index] } } } - //~ MONO_ITEM fn ::eq //~ MONO_ITEM fn ::ne #[derive(PartialEq)] pub struct Equatable(u32); - impl Add for Equatable { type Output = u32; diff --git a/tests/codegen-units/item-collection/static-init.rs b/tests/codegen-units/item-collection/static-init.rs index b357f5cd66b2..1406fba2b984 100644 --- a/tests/codegen-units/item-collection/static-init.rs +++ b/tests/codegen-units/item-collection/static-init.rs @@ -2,9 +2,9 @@ #![feature(start)] -pub static FN : fn() = foo::; +pub static FN: fn() = foo::; -pub fn foo() { } +pub fn foo() {} //~ MONO_ITEM fn foo:: //~ MONO_ITEM static FN diff --git a/tests/codegen-units/item-collection/trait-implementations.rs b/tests/codegen-units/item-collection/trait-implementations.rs index b364cc5b3336..e4c444499e05 100644 --- a/tests/codegen-units/item-collection/trait-implementations.rs +++ b/tests/codegen-units/item-collection/trait-implementations.rs @@ -9,7 +9,6 @@ pub trait SomeTrait { } impl SomeTrait for i64 { - //~ MONO_ITEM fn ::foo fn foo(&self) {} @@ -17,7 +16,6 @@ impl SomeTrait for i64 { } impl SomeTrait for i32 { - //~ MONO_ITEM fn ::foo fn foo(&self) {} @@ -31,7 +29,6 @@ pub trait SomeGenericTrait { // Concrete impl of generic trait impl SomeGenericTrait for f64 { - //~ MONO_ITEM fn >::foo fn foo(&self, _: u32) {} @@ -40,7 +37,6 @@ impl SomeGenericTrait for f64 { // Generic impl of generic trait impl SomeGenericTrait for f32 { - fn foo(&self, _: T) {} fn bar(&self, _: T, _: T2) {} } @@ -48,26 +44,26 @@ impl SomeGenericTrait for f32 { //~ MONO_ITEM fn start #[start] fn start(_: isize, _: *const *const u8) -> isize { - //~ MONO_ITEM fn ::bar:: - 0i32.bar('x'); + //~ MONO_ITEM fn ::bar:: + 0i32.bar('x'); - //~ MONO_ITEM fn >::bar::<&str> - 0f64.bar(0u32, "&str"); + //~ MONO_ITEM fn >::bar::<&str> + 0f64.bar(0u32, "&str"); - //~ MONO_ITEM fn >::bar::<()> - 0f64.bar(0u32, ()); + //~ MONO_ITEM fn >::bar::<()> + 0f64.bar(0u32, ()); - //~ MONO_ITEM fn >::foo - 0f32.foo('x'); + //~ MONO_ITEM fn >::foo + 0f32.foo('x'); - //~ MONO_ITEM fn >::foo - 0f32.foo(-1i64); + //~ MONO_ITEM fn >::foo + 0f32.foo(-1i64); - //~ MONO_ITEM fn >::bar::<()> - 0f32.bar(0u32, ()); + //~ MONO_ITEM fn >::bar::<()> + 0f32.bar(0u32, ()); - //~ MONO_ITEM fn >::bar::<&str> - 0f32.bar("&str", "&str"); + //~ MONO_ITEM fn >::bar::<&str> + 0f32.bar("&str", "&str"); - 0 + 0 } diff --git a/tests/codegen-units/item-collection/trait-method-as-argument.rs b/tests/codegen-units/item-collection/trait-method-as-argument.rs index c25e3ea45ecc..10cf2a0e967e 100644 --- a/tests/codegen-units/item-collection/trait-method-as-argument.rs +++ b/tests/codegen-units/item-collection/trait-method-as-argument.rs @@ -3,16 +3,19 @@ #![deny(dead_code)] #![feature(start)] -trait Trait : Sized { - fn foo(self) -> Self { self } +trait Trait: Sized { + fn foo(self) -> Self { + self + } } impl Trait for u32 { - fn foo(self) -> u32 { self } + fn foo(self) -> u32 { + self + } } -impl Trait for char { -} +impl Trait for char {} fn take_foo_once T>(f: F, arg: T) -> T { (f)(arg) diff --git a/tests/codegen-units/item-collection/trait-method-default-impl.rs b/tests/codegen-units/item-collection/trait-method-default-impl.rs index 89fec350f09c..b0a43d28e40b 100644 --- a/tests/codegen-units/item-collection/trait-method-default-impl.rs +++ b/tests/codegen-units/item-collection/trait-method-default-impl.rs @@ -4,8 +4,10 @@ #![feature(start)] trait SomeTrait { - fn foo(&self) { } - fn bar(&self, x: T) -> T { x } + fn foo(&self) {} + fn bar(&self, x: T) -> T { + x + } } impl SomeTrait for i8 { @@ -17,7 +19,7 @@ impl SomeTrait for i8 { } trait SomeGenericTrait { - fn foo(&self) { } + fn foo(&self) {} fn bar(&self, x: T1, y: T2) {} } diff --git a/tests/codegen-units/item-collection/unsizing.rs b/tests/codegen-units/item-collection/unsizing.rs index 1e2d7f174845..5ea8b47962a8 100644 --- a/tests/codegen-units/item-collection/unsizing.rs +++ b/tests/codegen-units/item-collection/unsizing.rs @@ -27,7 +27,7 @@ impl Trait for char { struct Struct { _a: u32, _b: i32, - _c: T + _c: T, } impl Trait for f64 { @@ -60,11 +60,7 @@ fn start(_: isize, _: *const *const u8) -> isize { let _char_unsized = char_sized as &Trait; // struct field - let struct_sized = &Struct { - _a: 1, - _b: 2, - _c: 3.0f64 - }; + let struct_sized = &Struct { _a: 1, _b: 2, _c: 3.0f64 }; //~ MONO_ITEM fn std::ptr::drop_in_place:: - shim(None) @@ unsizing-cgu.0[Internal] //~ MONO_ITEM fn ::foo let _struct_unsized = struct_sized as &Struct; diff --git a/tests/codegen-units/item-collection/unused-traits-and-generics.rs b/tests/codegen-units/item-collection/unused-traits-and-generics.rs index 27cdae2c0962..d5088d3f8937 100644 --- a/tests/codegen-units/item-collection/unused-traits-and-generics.rs +++ b/tests/codegen-units/item-collection/unused-traits-and-generics.rs @@ -1,6 +1,6 @@ //@ compile-flags:-Zprint-mono-items=eager -#![crate_type="lib"] +#![crate_type = "lib"] #![deny(dead_code)] // This test asserts that no codegen items are generated for generic items that @@ -16,7 +16,7 @@ pub fn foo(x: T) -> (T, T) { } pub struct Struct { - x: T + x: T, } impl Struct { @@ -29,7 +29,7 @@ impl Struct { pub enum Enum { A(T), - B { x: T } + B { x: T }, } impl Enum { @@ -56,7 +56,7 @@ impl TupleStruct { pub type Pair = (T, T); pub struct NonGeneric { - x: i32 + x: i32, } impl NonGeneric { diff --git a/tests/codegen-units/partitioning/auxiliary/shared_generics_aux.rs b/tests/codegen-units/partitioning/auxiliary/shared_generics_aux.rs index 158932d165df..b6c568ed387a 100644 --- a/tests/codegen-units/partitioning/auxiliary/shared_generics_aux.rs +++ b/tests/codegen-units/partitioning/auxiliary/shared_generics_aux.rs @@ -3,7 +3,7 @@ //@ compile-flags:-Zshare-generics=yes -Copt-level=0 //@ no-prefer-dynamic -#![crate_type="rlib"] +#![crate_type = "rlib"] pub fn generic_fn(x: T, y: T) -> (T, T) { (x, y) diff --git a/tests/codegen-units/partitioning/extern-generic.rs b/tests/codegen-units/partitioning/extern-generic.rs index 0e4b6a37f712..602a5240283b 100644 --- a/tests/codegen-units/partitioning/extern-generic.rs +++ b/tests/codegen-units/partitioning/extern-generic.rs @@ -3,7 +3,7 @@ //@ compile-flags:-Zprint-mono-items=eager -Zshare-generics=y #![allow(dead_code)] -#![crate_type="lib"] +#![crate_type = "lib"] //@ aux-build:cgu_generic_function.rs extern crate cgu_generic_function; diff --git a/tests/codegen-units/partitioning/inlining-from-extern-crate.rs b/tests/codegen-units/partitioning/inlining-from-extern-crate.rs index d021f467f1f9..b007ffe1cb51 100644 --- a/tests/codegen-units/partitioning/inlining-from-extern-crate.rs +++ b/tests/codegen-units/partitioning/inlining-from-extern-crate.rs @@ -3,7 +3,7 @@ //@ compile-flags:-Zprint-mono-items=lazy //@ compile-flags:-Zinline-in-all-cgus -#![crate_type="lib"] +#![crate_type = "lib"] //@ aux-build:cgu_explicit_inlining.rs extern crate cgu_explicit_inlining; @@ -15,8 +15,7 @@ extern crate cgu_explicit_inlining; //~ MONO_ITEM fn cgu_explicit_inlining::always_inlined @@ inlining_from_extern_crate[Internal] inlining_from_extern_crate-mod2[Internal] //~ MONO_ITEM fn user @@ inlining_from_extern_crate[External] -pub fn user() -{ +pub fn user() { cgu_explicit_inlining::inlined(); cgu_explicit_inlining::always_inlined(); @@ -28,8 +27,7 @@ pub mod mod1 { use cgu_explicit_inlining; //~ MONO_ITEM fn mod1::user @@ inlining_from_extern_crate-mod1[External] - pub fn user() - { + pub fn user() { cgu_explicit_inlining::inlined(); // does not generate a monomorphization in this crate @@ -41,8 +39,7 @@ pub mod mod2 { use cgu_explicit_inlining; //~ MONO_ITEM fn mod2::user @@ inlining_from_extern_crate-mod2[External] - pub fn user() - { + pub fn user() { cgu_explicit_inlining::always_inlined(); // does not generate a monomorphization in this crate diff --git a/tests/codegen-units/partitioning/local-generic.rs b/tests/codegen-units/partitioning/local-generic.rs index 06f46b23db6a..0cfc572650c1 100644 --- a/tests/codegen-units/partitioning/local-generic.rs +++ b/tests/codegen-units/partitioning/local-generic.rs @@ -3,13 +3,15 @@ //@ compile-flags:-Zprint-mono-items=eager #![allow(dead_code)] -#![crate_type="lib"] +#![crate_type = "lib"] //~ MONO_ITEM fn generic:: @@ local_generic.volatile[External] //~ MONO_ITEM fn generic:: @@ local_generic.volatile[External] //~ MONO_ITEM fn generic:: @@ local_generic.volatile[External] //~ MONO_ITEM fn generic::<&str> @@ local_generic.volatile[External] -pub fn generic(x: T) -> T { x } +pub fn generic(x: T) -> T { + x +} //~ MONO_ITEM fn user @@ local_generic[Internal] fn user() { diff --git a/tests/codegen-units/partitioning/local-inlining-but-not-all.rs b/tests/codegen-units/partitioning/local-inlining-but-not-all.rs index 2f9cbe83f1d5..454de255254a 100644 --- a/tests/codegen-units/partitioning/local-inlining-but-not-all.rs +++ b/tests/codegen-units/partitioning/local-inlining-but-not-all.rs @@ -4,16 +4,13 @@ //@ compile-flags:-Zinline-in-all-cgus=no #![allow(dead_code)] -#![crate_type="lib"] +#![crate_type = "lib"] mod inline { //~ MONO_ITEM fn inline::inlined_function @@ local_inlining_but_not_all-inline[External] #[inline] - pub fn inlined_function() - { - - } + pub fn inlined_function() {} } pub mod user1 { @@ -37,7 +34,5 @@ pub mod user2 { pub mod non_user { //~ MONO_ITEM fn non_user::baz @@ local_inlining_but_not_all-non_user[External] - pub fn baz() { - - } + pub fn baz() {} } diff --git a/tests/codegen-units/partitioning/local-inlining.rs b/tests/codegen-units/partitioning/local-inlining.rs index 2329a876c960..42c68b5c6218 100644 --- a/tests/codegen-units/partitioning/local-inlining.rs +++ b/tests/codegen-units/partitioning/local-inlining.rs @@ -4,17 +4,14 @@ //@ compile-flags:-Zinline-in-all-cgus #![allow(dead_code)] -#![crate_type="lib"] +#![crate_type = "lib"] mod inline { // Important: This function should show up in all codegen units where it is inlined //~ MONO_ITEM fn inline::inlined_function @@ local_inlining-user1[Internal] local_inlining-user2[Internal] #[inline(always)] - pub fn inlined_function() - { - - } + pub fn inlined_function() {} } pub mod user1 { @@ -38,7 +35,5 @@ pub mod user2 { pub mod non_user { //~ MONO_ITEM fn non_user::baz @@ local_inlining-non_user[External] - pub fn baz() { - - } + pub fn baz() {} } diff --git a/tests/codegen-units/partitioning/local-transitive-inlining.rs b/tests/codegen-units/partitioning/local-transitive-inlining.rs index 4ccc53aea1d1..0d279ebe7404 100644 --- a/tests/codegen-units/partitioning/local-transitive-inlining.rs +++ b/tests/codegen-units/partitioning/local-transitive-inlining.rs @@ -4,16 +4,13 @@ //@ compile-flags:-Zinline-in-all-cgus #![allow(dead_code)] -#![crate_type="rlib"] +#![crate_type = "rlib"] mod inline { //~ MONO_ITEM fn inline::inlined_function @@ local_transitive_inlining-indirect_user[Internal] #[inline(always)] - pub fn inlined_function() - { - - } + pub fn inlined_function() {} } mod direct_user { @@ -38,7 +35,5 @@ pub mod indirect_user { pub mod non_user { //~ MONO_ITEM fn non_user::baz @@ local_transitive_inlining-non_user[External] - pub fn baz() { - - } + pub fn baz() {} } diff --git a/tests/codegen-units/partitioning/methods-are-with-self-type.rs b/tests/codegen-units/partitioning/methods-are-with-self-type.rs index 3ba53334cc90..901e7507d738 100644 --- a/tests/codegen-units/partitioning/methods-are-with-self-type.rs +++ b/tests/codegen-units/partitioning/methods-are-with-self-type.rs @@ -15,7 +15,7 @@ struct SomeType; struct SomeGenericType(T1, T2); mod mod1 { - use super::{SomeType, SomeGenericType}; + use super::{SomeGenericType, SomeType}; // Even though the impl is in `mod1`, the methods should end up in the // parent module, since that is where their self-type is. @@ -40,8 +40,7 @@ trait Trait { // We provide an implementation of `Trait` for all types. The corresponding // monomorphizations should end up in whichever module the concrete `T` is. -impl Trait for T -{ +impl Trait for T { fn foo(&self) {} } diff --git a/tests/codegen-units/partitioning/regular-modules.rs b/tests/codegen-units/partitioning/regular-modules.rs index 68601975d062..294971464155 100644 --- a/tests/codegen-units/partitioning/regular-modules.rs +++ b/tests/codegen-units/partitioning/regular-modules.rs @@ -3,7 +3,7 @@ //@ compile-flags:-Zprint-mono-items=eager #![allow(dead_code)] -#![crate_type="lib"] +#![crate_type = "lib"] //~ MONO_ITEM fn foo @@ regular_modules[Internal] fn foo() {} diff --git a/tests/codegen-units/partitioning/shared-generics.rs b/tests/codegen-units/partitioning/shared-generics.rs index 5b78794316c6..ea312719ac91 100644 --- a/tests/codegen-units/partitioning/shared-generics.rs +++ b/tests/codegen-units/partitioning/shared-generics.rs @@ -4,14 +4,13 @@ //@ incremental //@ compile-flags:-Zprint-mono-items=eager -Zshare-generics=yes -Copt-level=0 -#![crate_type="rlib"] +#![crate_type = "rlib"] //@ aux-build:shared_generics_aux.rs extern crate shared_generics_aux; //~ MONO_ITEM fn foo pub fn foo() { - //~ MONO_ITEM fn shared_generics_aux::generic_fn:: @@ shared_generics_aux-in-shared_generics.volatile[External] let _ = shared_generics_aux::generic_fn(0u16, 1u16); diff --git a/tests/codegen-units/partitioning/statics.rs b/tests/codegen-units/partitioning/statics.rs index c7eef1f3789d..00dd6d877e1e 100644 --- a/tests/codegen-units/partitioning/statics.rs +++ b/tests/codegen-units/partitioning/statics.rs @@ -2,7 +2,7 @@ //@ incremental //@ compile-flags:-Zprint-mono-items=lazy -#![crate_type="rlib"] +#![crate_type = "rlib"] //~ MONO_ITEM static FOO @@ statics[Internal] static FOO: u32 = 0; diff --git a/tests/codegen-units/partitioning/vtable-through-const.rs b/tests/codegen-units/partitioning/vtable-through-const.rs index f91c0c0bfdbf..a9186cea9c89 100644 --- a/tests/codegen-units/partitioning/vtable-through-const.rs +++ b/tests/codegen-units/partitioning/vtable-through-const.rs @@ -28,20 +28,24 @@ mod mod1 { } impl Trait1Gen for NeedsDrop { - fn do_something(&self, x: T) -> T { x } - fn do_something_else(&self, x: T) -> T { x } + fn do_something(&self, x: T) -> T { + x + } + fn do_something_else(&self, x: T) -> T { + x + } } //~ MONO_ITEM fn mod1::id:: @@ vtable_through_const-mod1.volatile[Internal] - fn id(x: T) -> T { x } + fn id(x: T) -> T { + x + } // These are referenced, so they produce mono-items (see start()) pub const TRAIT1_REF: &'static Trait1 = &NeedsDrop as &Trait1; pub const TRAIT1_GEN_REF: &'static Trait1Gen = &NeedsDrop as &Trait1Gen; pub const ID_CHAR: fn(char) -> char = id::; - - pub trait Trait2 { fn do_something(&self) {} fn do_something_else(&self) {} @@ -57,8 +61,12 @@ mod mod1 { } impl Trait2Gen for NeedsDrop { - fn do_something(&self, x: T) -> T { x } - fn do_something_else(&self, x: T) -> T { x } + fn do_something(&self, x: T) -> T { + x + } + fn do_something_else(&self, x: T) -> T { + x + } } // These are not referenced, so they do not produce mono-items diff --git a/tests/codegen-units/polymorphization/unused_type_parameters.rs b/tests/codegen-units/polymorphization/unused_type_parameters.rs index cf5f7c320985..438305f112f3 100644 --- a/tests/codegen-units/polymorphization/unused_type_parameters.rs +++ b/tests/codegen-units/polymorphization/unused_type_parameters.rs @@ -9,54 +9,51 @@ mod functions { // Function doesn't have any type parameters to be unused. pub fn no_parameters() {} -//~ MONO_ITEM fn functions::no_parameters + //~ MONO_ITEM fn functions::no_parameters // Function has an unused type parameter. - pub fn unused() { - } + pub fn unused() {} -//~ MONO_ITEM fn functions::unused:: + //~ MONO_ITEM fn functions::unused:: // Function uses type parameter in value of a binding. pub fn used_binding_value() { let _: T = Default::default(); } -//~ MONO_ITEM fn functions::used_binding_value:: -//~ MONO_ITEM fn functions::used_binding_value:: + //~ MONO_ITEM fn functions::used_binding_value:: + //~ MONO_ITEM fn functions::used_binding_value:: // Function uses type parameter in type of a binding. pub fn used_binding_type() { let _: Option = None; } -//~ MONO_ITEM fn functions::used_binding_type:: -//~ MONO_ITEM fn functions::used_binding_type:: + //~ MONO_ITEM fn functions::used_binding_type:: + //~ MONO_ITEM fn functions::used_binding_type:: // Function uses type parameter in argument. - pub fn used_argument(_: T) { - } + pub fn used_argument(_: T) {} -//~ MONO_ITEM fn functions::used_argument:: -//~ MONO_ITEM fn functions::used_argument:: -// + //~ MONO_ITEM fn functions::used_argument:: + //~ MONO_ITEM fn functions::used_argument:: + // // Function uses type parameter in substitutions to another function. pub fn used_substs() { unused::() } -//~ MONO_ITEM fn functions::used_substs:: -//~ MONO_ITEM fn functions::used_substs:: + //~ MONO_ITEM fn functions::used_substs:: + //~ MONO_ITEM fn functions::used_substs:: } - mod closures { // Function doesn't have any type parameters to be unused. pub fn no_parameters() { let _ = || {}; } -//~ MONO_ITEM fn closures::no_parameters + //~ MONO_ITEM fn closures::no_parameters // Function has an unused type parameter in parent and closure. pub fn unused() -> u32 { @@ -64,8 +61,8 @@ mod closures { add_one(3) } -//~ MONO_ITEM fn closures::unused::::{closure#0} -//~ MONO_ITEM fn closures::unused:: + //~ MONO_ITEM fn closures::unused::::{closure#0} + //~ MONO_ITEM fn closures::unused:: // Function has an unused type parameter in closure, but not in parent. pub fn used_parent() -> u32 { @@ -74,9 +71,9 @@ mod closures { add_one(3) } -//~ MONO_ITEM fn closures::used_parent::::{closure#0} -//~ MONO_ITEM fn closures::used_parent:: -//~ MONO_ITEM fn closures::used_parent:: + //~ MONO_ITEM fn closures::used_parent::::{closure#0} + //~ MONO_ITEM fn closures::used_parent:: + //~ MONO_ITEM fn closures::used_parent:: // Function uses type parameter in value of a binding in closure. pub fn used_binding_value() -> T { @@ -88,10 +85,10 @@ mod closures { x() } -//~ MONO_ITEM fn closures::used_binding_value::::{closure#0} -//~ MONO_ITEM fn closures::used_binding_value::::{closure#0} -//~ MONO_ITEM fn closures::used_binding_value:: -//~ MONO_ITEM fn closures::used_binding_value:: + //~ MONO_ITEM fn closures::used_binding_value::::{closure#0} + //~ MONO_ITEM fn closures::used_binding_value::::{closure#0} + //~ MONO_ITEM fn closures::used_binding_value:: + //~ MONO_ITEM fn closures::used_binding_value:: // Function uses type parameter in type of a binding in closure. pub fn used_binding_type() -> Option { @@ -103,10 +100,10 @@ mod closures { x() } -//~ MONO_ITEM fn closures::used_binding_type::::{closure#0} -//~ MONO_ITEM fn closures::used_binding_type::::{closure#0} -//~ MONO_ITEM fn closures::used_binding_type:: -//~ MONO_ITEM fn closures::used_binding_type:: + //~ MONO_ITEM fn closures::used_binding_type::::{closure#0} + //~ MONO_ITEM fn closures::used_binding_type::::{closure#0} + //~ MONO_ITEM fn closures::used_binding_type:: + //~ MONO_ITEM fn closures::used_binding_type:: // Function and closure uses type parameter in argument. pub fn used_argument(t: T) -> u32 { @@ -114,10 +111,10 @@ mod closures { x(t) } -//~ MONO_ITEM fn closures::used_argument::::{closure#0} -//~ MONO_ITEM fn closures::used_argument::::{closure#0} -//~ MONO_ITEM fn closures::used_argument:: -//~ MONO_ITEM fn closures::used_argument:: + //~ MONO_ITEM fn closures::used_argument::::{closure#0} + //~ MONO_ITEM fn closures::used_argument::::{closure#0} + //~ MONO_ITEM fn closures::used_argument:: + //~ MONO_ITEM fn closures::used_argument:: // Closure uses type parameter in argument. pub fn used_argument_closure() -> u32 { @@ -126,10 +123,10 @@ mod closures { x(t) } -//~ MONO_ITEM fn closures::used_argument_closure::::{closure#0} -//~ MONO_ITEM fn closures::used_argument_closure::::{closure#0} -//~ MONO_ITEM fn closures::used_argument_closure:: -//~ MONO_ITEM fn closures::used_argument_closure:: + //~ MONO_ITEM fn closures::used_argument_closure::::{closure#0} + //~ MONO_ITEM fn closures::used_argument_closure::::{closure#0} + //~ MONO_ITEM fn closures::used_argument_closure:: + //~ MONO_ITEM fn closures::used_argument_closure:: // Closure uses type parameter as upvar. pub fn used_upvar() -> T { @@ -138,10 +135,10 @@ mod closures { y() } -//~ MONO_ITEM fn closures::used_upvar::::{closure#0} -//~ MONO_ITEM fn closures::used_upvar::::{closure#0} -//~ MONO_ITEM fn closures::used_upvar:: -//~ MONO_ITEM fn closures::used_upvar:: + //~ MONO_ITEM fn closures::used_upvar::::{closure#0} + //~ MONO_ITEM fn closures::used_upvar::::{closure#0} + //~ MONO_ITEM fn closures::used_upvar:: + //~ MONO_ITEM fn closures::used_upvar:: // Closure uses type parameter in substitutions to another function. pub fn used_substs() { @@ -149,10 +146,10 @@ mod closures { x() } -//~ MONO_ITEM fn closures::used_substs::::{closure#0} -//~ MONO_ITEM fn closures::used_substs::::{closure#0} -//~ MONO_ITEM fn closures::used_substs:: -//~ MONO_ITEM fn closures::used_substs:: + //~ MONO_ITEM fn closures::used_substs::::{closure#0} + //~ MONO_ITEM fn closures::used_substs::::{closure#0} + //~ MONO_ITEM fn closures::used_substs:: + //~ MONO_ITEM fn closures::used_substs:: } mod methods { @@ -160,32 +157,30 @@ mod methods { impl Foo { // Function has an unused type parameter from impl. - pub fn unused_impl() { - } + pub fn unused_impl() {} -//~ MONO_ITEM fn methods::Foo::::unused_impl + //~ MONO_ITEM fn methods::Foo::::unused_impl // Function has an unused type parameter from impl and fn. - pub fn unused_both() { - } + pub fn unused_both() {} -//~ MONO_ITEM fn methods::Foo::::unused_both:: + //~ MONO_ITEM fn methods::Foo::::unused_both:: // Function uses type parameter from impl. pub fn used_impl() { let _: F = Default::default(); } -//~ MONO_ITEM fn methods::Foo::::used_impl -//~ MONO_ITEM fn methods::Foo::::used_impl + //~ MONO_ITEM fn methods::Foo::::used_impl + //~ MONO_ITEM fn methods::Foo::::used_impl // Function uses type parameter from impl. pub fn used_fn() { let _: G = Default::default(); } -//~ MONO_ITEM fn methods::Foo::::used_fn:: -//~ MONO_ITEM fn methods::Foo::::used_fn:: + //~ MONO_ITEM fn methods::Foo::::used_fn:: + //~ MONO_ITEM fn methods::Foo::::used_fn:: // Function uses type parameter from impl. pub fn used_both() { @@ -193,16 +188,16 @@ mod methods { let _: G = Default::default(); } -//~ MONO_ITEM fn methods::Foo::::used_both:: -//~ MONO_ITEM fn methods::Foo::::used_both:: + //~ MONO_ITEM fn methods::Foo::::used_both:: + //~ MONO_ITEM fn methods::Foo::::used_both:: // Function uses type parameter in substitutions to another function. pub fn used_substs() { super::functions::unused::() } -//~ MONO_ITEM fn methods::Foo::::used_substs -//~ MONO_ITEM fn methods::Foo::::used_substs + //~ MONO_ITEM fn methods::Foo::::used_substs + //~ MONO_ITEM fn methods::Foo::::used_substs // Function has an unused type parameter from impl and fn. pub fn closure_unused_all() -> u32 { @@ -210,8 +205,8 @@ mod methods { add_one(3) } -//~ MONO_ITEM fn methods::Foo::::closure_unused_all::::{closure#0} -//~ MONO_ITEM fn methods::Foo::::closure_unused_all:: + //~ MONO_ITEM fn methods::Foo::::closure_unused_all::::{closure#0} + //~ MONO_ITEM fn methods::Foo::::closure_unused_all:: // Function uses type parameter from impl and fn in closure. pub fn closure_used_both() -> u32 { @@ -224,10 +219,10 @@ mod methods { add_one(3) } -//~ MONO_ITEM fn methods::Foo::::closure_used_both::::{closure#0} -//~ MONO_ITEM fn methods::Foo::::closure_used_both::::{closure#0} -//~ MONO_ITEM fn methods::Foo::::closure_used_both:: -//~ MONO_ITEM fn methods::Foo::::closure_used_both:: + //~ MONO_ITEM fn methods::Foo::::closure_used_both::::{closure#0} + //~ MONO_ITEM fn methods::Foo::::closure_used_both::::{closure#0} + //~ MONO_ITEM fn methods::Foo::::closure_used_both:: + //~ MONO_ITEM fn methods::Foo::::closure_used_both:: // Function uses type parameter from fn in closure. pub fn closure_used_fn() -> u32 { @@ -239,10 +234,10 @@ mod methods { add_one(3) } -//~ MONO_ITEM fn methods::Foo::::closure_used_fn::::{closure#0} -//~ MONO_ITEM fn methods::Foo::::closure_used_fn::::{closure#0} -//~ MONO_ITEM fn methods::Foo::::closure_used_fn:: -//~ MONO_ITEM fn methods::Foo::::closure_used_fn:: + //~ MONO_ITEM fn methods::Foo::::closure_used_fn::::{closure#0} + //~ MONO_ITEM fn methods::Foo::::closure_used_fn::::{closure#0} + //~ MONO_ITEM fn methods::Foo::::closure_used_fn:: + //~ MONO_ITEM fn methods::Foo::::closure_used_fn:: // Function uses type parameter from impl in closure. pub fn closure_used_impl() -> u32 { @@ -254,10 +249,10 @@ mod methods { add_one(3) } -//~ MONO_ITEM fn methods::Foo::::closure_used_impl::::{closure#0} -//~ MONO_ITEM fn methods::Foo::::closure_used_impl::::{closure#0} -//~ MONO_ITEM fn methods::Foo::::closure_used_impl:: -//~ MONO_ITEM fn methods::Foo::::closure_used_impl:: + //~ MONO_ITEM fn methods::Foo::::closure_used_impl::::{closure#0} + //~ MONO_ITEM fn methods::Foo::::closure_used_impl::::{closure#0} + //~ MONO_ITEM fn methods::Foo::::closure_used_impl:: + //~ MONO_ITEM fn methods::Foo::::closure_used_impl:: // Closure uses type parameter in substitutions to another function. pub fn closure_used_substs() { @@ -265,15 +260,13 @@ mod methods { x() } -//~ MONO_ITEM fn methods::Foo::::closure_used_substs::{closure#0} -//~ MONO_ITEM fn methods::Foo::::closure_used_substs::{closure#0} -//~ MONO_ITEM fn methods::Foo::::closure_used_substs -//~ MONO_ITEM fn methods::Foo::::closure_used_substs + //~ MONO_ITEM fn methods::Foo::::closure_used_substs::{closure#0} + //~ MONO_ITEM fn methods::Foo::::closure_used_substs::{closure#0} + //~ MONO_ITEM fn methods::Foo::::closure_used_substs + //~ MONO_ITEM fn methods::Foo::::closure_used_substs } } - - fn dispatch() { functions::no_parameters(); functions::unused::(); From e86709c58a9a423ddd72f058af9778daefac4e98 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 29 May 2024 14:29:54 +1000 Subject: [PATCH 0811/1716] Run rustfmt on `tests/coverage/`. There are no changes to `.rs` files because #125693 recently formatted them all. --- rustfmt.toml | 1 - 1 file changed, 1 deletion(-) diff --git a/rustfmt.toml b/rustfmt.toml index 5f40abcbaa5b..b8ffb807cf01 100644 --- a/rustfmt.toml +++ b/rustfmt.toml @@ -15,7 +15,6 @@ ignore = [ # - some UI tests are broken by different formatting # - some require special comments in a particular position (e.g. `EMIT_MIR` comments) "/tests/codegen/simd-intrinsic/", # Many types like `u8x64` are better hand-formatted. - "/tests/coverage/", "/tests/coverage-run-rustdoc/", "/tests/crashes/", "/tests/debuginfo/", From 4fd2003026bf66dd09f40e81958f0b1ecfdeb62d Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 29 May 2024 14:35:52 +1000 Subject: [PATCH 0812/1716] Run rustfmt on `tests/coverage-run-rustdoc/`. There are only two tiny Rust files in this directory, and they are already formatted correctly. --- rustfmt.toml | 1 - 1 file changed, 1 deletion(-) diff --git a/rustfmt.toml b/rustfmt.toml index b8ffb807cf01..e633ab2c6e34 100644 --- a/rustfmt.toml +++ b/rustfmt.toml @@ -15,7 +15,6 @@ ignore = [ # - some UI tests are broken by different formatting # - some require special comments in a particular position (e.g. `EMIT_MIR` comments) "/tests/codegen/simd-intrinsic/", # Many types like `u8x64` are better hand-formatted. - "/tests/coverage-run-rustdoc/", "/tests/crashes/", "/tests/debuginfo/", "/tests/incremental/", From 70bc0c5b204375e3efe1572689356bf99a9f4e9d Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 29 May 2024 14:37:37 +1000 Subject: [PATCH 0813/1716] Explain why we don't run rustfmt on `tests/crashes/`. --- rustfmt.toml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/rustfmt.toml b/rustfmt.toml index e633ab2c6e34..6f79e4b4e525 100644 --- a/rustfmt.toml +++ b/rustfmt.toml @@ -15,7 +15,7 @@ ignore = [ # - some UI tests are broken by different formatting # - some require special comments in a particular position (e.g. `EMIT_MIR` comments) "/tests/codegen/simd-intrinsic/", # Many types like `u8x64` are better hand-formatted. - "/tests/crashes/", + "/tests/crashes/", # Many tests contain syntax errors. "/tests/debuginfo/", "/tests/incremental/", "/tests/mir-opt/", From 06c4cc44b61cab331d0db1f0592ec7d172abf881 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Fri, 31 May 2024 08:56:38 +0000 Subject: [PATCH 0814/1716] Also resolve the type of constants, even if we already turned it into an error constant --- compiler/rustc_hir_typeck/src/writeback.rs | 1 + .../const_generic_type.rs | 10 ++++++++++ .../const_generic_type.stderr | 19 +++++++++++++++++++ 3 files changed, 30 insertions(+) create mode 100644 tests/ui/type-alias-impl-trait/const_generic_type.rs create mode 100644 tests/ui/type-alias-impl-trait/const_generic_type.stderr diff --git a/compiler/rustc_hir_typeck/src/writeback.rs b/compiler/rustc_hir_typeck/src/writeback.rs index 31caa52d2671..e337105f0110 100644 --- a/compiler/rustc_hir_typeck/src/writeback.rs +++ b/compiler/rustc_hir_typeck/src/writeback.rs @@ -865,6 +865,7 @@ impl<'cx, 'tcx> TypeFolder> for Resolver<'cx, 'tcx> { self.handle_term(ct, ty::Const::outer_exclusive_binder, |tcx, guar| { ty::Const::new_error(tcx, guar, ct.ty()) }) + .super_fold_with(self) } fn fold_predicate(&mut self, predicate: ty::Predicate<'tcx>) -> ty::Predicate<'tcx> { diff --git a/tests/ui/type-alias-impl-trait/const_generic_type.rs b/tests/ui/type-alias-impl-trait/const_generic_type.rs new file mode 100644 index 000000000000..3af122fc4e33 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/const_generic_type.rs @@ -0,0 +1,10 @@ +//@edition: 2021 + +#![feature(type_alias_impl_trait)] +type Bar = impl std::fmt::Display; + +async fn test() {} +//~^ ERROR: type annotations needed +//~| ERROR: `Bar` is forbidden as the type of a const generic parameter + +fn main() {} diff --git a/tests/ui/type-alias-impl-trait/const_generic_type.stderr b/tests/ui/type-alias-impl-trait/const_generic_type.stderr new file mode 100644 index 000000000000..5501f23c8bb1 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/const_generic_type.stderr @@ -0,0 +1,19 @@ +error[E0283]: type annotations needed + --> $DIR/const_generic_type.rs:6:1 + | +LL | async fn test() {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type + | + = note: cannot satisfy `_: std::fmt::Display` + +error: `Bar` is forbidden as the type of a const generic parameter + --> $DIR/const_generic_type.rs:6:24 + | +LL | async fn test() {} + | ^^^^^^^^^^ + | + = note: the only supported types are integers, `bool` and `char` + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0283`. From befcdec7778bc901f47fa8ebd4d5e322a8bd187e Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Fri, 31 May 2024 08:58:56 +0000 Subject: [PATCH 0815/1716] Check that we can constrain the hidden tpye of a TAIT used in a const generic type --- .../const_generic_type.infer.stderr | 10 ++++++++++ ..._type.stderr => const_generic_type.no_infer.stderr} | 8 ++++---- tests/ui/type-alias-impl-trait/const_generic_type.rs | 10 +++++++--- 3 files changed, 21 insertions(+), 7 deletions(-) create mode 100644 tests/ui/type-alias-impl-trait/const_generic_type.infer.stderr rename tests/ui/type-alias-impl-trait/{const_generic_type.stderr => const_generic_type.no_infer.stderr} (73%) diff --git a/tests/ui/type-alias-impl-trait/const_generic_type.infer.stderr b/tests/ui/type-alias-impl-trait/const_generic_type.infer.stderr new file mode 100644 index 000000000000..6a1a770228da --- /dev/null +++ b/tests/ui/type-alias-impl-trait/const_generic_type.infer.stderr @@ -0,0 +1,10 @@ +error: `Bar` is forbidden as the type of a const generic parameter + --> $DIR/const_generic_type.rs:7:24 + | +LL | async fn test() { + | ^^^^^^^^^^ + | + = note: the only supported types are integers, `bool` and `char` + +error: aborting due to 1 previous error + diff --git a/tests/ui/type-alias-impl-trait/const_generic_type.stderr b/tests/ui/type-alias-impl-trait/const_generic_type.no_infer.stderr similarity index 73% rename from tests/ui/type-alias-impl-trait/const_generic_type.stderr rename to tests/ui/type-alias-impl-trait/const_generic_type.no_infer.stderr index 5501f23c8bb1..a1a69bfaca37 100644 --- a/tests/ui/type-alias-impl-trait/const_generic_type.stderr +++ b/tests/ui/type-alias-impl-trait/const_generic_type.no_infer.stderr @@ -1,15 +1,15 @@ error[E0283]: type annotations needed - --> $DIR/const_generic_type.rs:6:1 + --> $DIR/const_generic_type.rs:7:1 | -LL | async fn test() {} +LL | async fn test() { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type | = note: cannot satisfy `_: std::fmt::Display` error: `Bar` is forbidden as the type of a const generic parameter - --> $DIR/const_generic_type.rs:6:24 + --> $DIR/const_generic_type.rs:7:24 | -LL | async fn test() {} +LL | async fn test() { | ^^^^^^^^^^ | = note: the only supported types are integers, `bool` and `char` diff --git a/tests/ui/type-alias-impl-trait/const_generic_type.rs b/tests/ui/type-alias-impl-trait/const_generic_type.rs index 3af122fc4e33..95a5e1c62861 100644 --- a/tests/ui/type-alias-impl-trait/const_generic_type.rs +++ b/tests/ui/type-alias-impl-trait/const_generic_type.rs @@ -1,10 +1,14 @@ //@edition: 2021 +//@revisions: infer no_infer #![feature(type_alias_impl_trait)] type Bar = impl std::fmt::Display; -async fn test() {} -//~^ ERROR: type annotations needed -//~| ERROR: `Bar` is forbidden as the type of a const generic parameter +async fn test() { + //[no_infer]~^ ERROR: type annotations needed + //~^^ ERROR: `Bar` is forbidden as the type of a const generic parameter + #[cfg(infer)] + let x: u32 = N; +} fn main() {} From 3079bd96b94fda7acba3161bd53719576224a210 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 29 May 2024 15:01:33 +1000 Subject: [PATCH 0816/1716] Run rustfmt on `tests/run-make/`. With the exception of `tests/run-make/translation/test.rs`, which has a syntax error. The expected output in `rustdoc-error-lines/rmake.rs`'s required slight tweaking. The two `reproducible-build.rs` files need `// ignore-tidy-linelength` because rustfmt produces lines longer than 100 chars, which tidy doesn't like, yuk. --- rustfmt.toml | 2 +- tests/run-make/a-b-a-linker-guard/a.rs | 4 +- .../allow-non-lint-warnings-cmdline/foo.rs | 2 +- .../allow-warnings-cmdline-stability/foo.rs | 4 +- .../atomic-lock-free/atomic_lock_free.rs | 2 +- tests/run-make/bare-outfile/foo.rs | 3 +- tests/run-make/box-struct-no-segfault/foo.rs | 8 ++-- tests/run-make/box-struct-no-segfault/main.rs | 4 +- .../c-link-to-rust-va-list-fn/checkrust.rs | 18 ++++---- tests/run-make/compiler-lookup-paths-2/c.rs | 2 +- tests/run-make/crate-data-smoke/rmake.rs | 33 +++------------ .../run-make/cross-lang-lto-clang/rustlib.rs | 2 +- .../cross-lang-lto-pgo-smoketest/rustlib.rs | 2 +- .../staticlib.rs | 2 +- tests/run-make/debug-assertions/debug.rs | 20 +++++++-- tests/run-make/dep-info-spaces/lib.rs | 2 +- tests/run-make/dep-info/lib.rs | 2 +- tests/run-make/deref-impl-rustdoc-ice/baz.rs | 6 ++- tests/run-make/deref-impl-rustdoc-ice/foo.rs | 4 +- tests/run-make/dylib-chain/m2.rs | 4 +- tests/run-make/dylib-chain/m3.rs | 4 +- tests/run-make/dylib-chain/m4.rs | 4 +- tests/run-make/emit/test-26235.rs | 25 +++++++---- .../extern-diff-internal-name/test.rs | 3 +- tests/run-make/extern-flag-disambiguates/a.rs | 4 +- tests/run-make/extern-flag-disambiguates/b.rs | 8 +++- tests/run-make/extern-flag-disambiguates/c.rs | 8 +++- tests/run-make/extern-flag-disambiguates/d.rs | 10 +++-- .../run-make/extern-fn-explicit-align/test.rs | 4 +- tests/run-make/extern-fn-reachable/dylib.rs | 15 ++++--- .../extern-fn-struct-passing-abi/test.rs | 8 +++- tests/run-make/extern-multiple-copies/bar.rs | 2 +- .../app.rs | 1 - tests/run-make/incr-prev-body-beyond-eof/a.rs | 4 -- tests/run-make/incr-prev-body-beyond-eof/b.rs | 2 +- tests/run-make/inline-always-many-cgu/foo.rs | 6 +-- .../interdependent-c-libraries/main.rs | 2 +- .../intrinsic-unreachable/exit-ret.rs | 2 +- .../intrinsic-unreachable/exit-unreachable.rs | 2 +- tests/run-make/issue-18943/foo.rs | 6 +-- tests/run-make/issue-20626/foo.rs | 4 +- tests/run-make/issue-22131/foo.rs | 4 +- tests/run-make/issue-26006/in/libc/lib.rs | 4 +- tests/run-make/issue-26006/in/time/lib.rs | 2 +- tests/run-make/issue-37839/b.rs | 3 +- .../issue-47551/eh_frame-terminator.rs | 4 +- tests/run-make/issue-69368/c.rs | 2 +- tests/run-make/link-arg/empty.rs | 2 +- .../long-linker-command-lines-cmd-exe/foo.rs | 24 ++++++----- .../run-make/long-linker-command-lines/foo.rs | 41 +++++++++++-------- .../many-crates-but-no-match/crateA1.rs | 2 +- .../many-crates-but-no-match/crateA2.rs | 6 ++- .../many-crates-but-no-match/crateA3.rs | 6 ++- .../metadata-flag-frobs-symbols/foo.rs | 4 +- tests/run-make/mixing-deps/dylib.rs | 4 +- tests/run-make/mixing-deps/prog.rs | 5 +-- tests/run-make/mixing-libs/dylib.rs | 4 +- .../native_lib_in_src.rs | 10 +++-- tests/run-make/non-pie-thread-local/foo.rs | 4 +- .../pass-non-c-like-enum-to-c/nonclike.rs | 4 +- tests/run-make/pdb-buildinfo-cl-cmd/main.rs | 3 +- .../pgo-branch-weights/interesting.rs | 5 +-- tests/run-make/pgo-branch-weights/opaque.rs | 4 +- .../interesting.rs | 8 +--- .../pgo-indirect-call-promotion/main.rs | 5 +-- .../pgo-indirect-call-promotion/opaque.rs | 4 +- tests/run-make/pgo-use/main.rs | 2 +- .../run-make/pointer-auth-link-with-c/test.rs | 4 +- tests/run-make/pretty-print-to-file/input.rs | 8 ++-- tests/run-make/print-check-cfg/rmake.rs | 10 +++-- tests/run-make/proc-macro-init-order/b.rs | 3 +- tests/run-make/proc-macro-init-order/c.rs | 2 +- tests/run-make/prune-link-args/empty.rs | 2 +- .../driver.rs | 5 +-- tests/run-make/raw-dylib-c/lib.rs | 6 +-- .../raw-dylib-cross-compilation/lib.rs | 2 +- .../run-make/raw-dylib-custom-dlltool/lib.rs | 2 +- .../raw-dylib-import-name-type/driver.rs | 2 +- .../raw-dylib-inline-cross-dylib/driver.rs | 2 +- .../raw-dylib-inline-cross-dylib/lib.rs | 2 +- tests/run-make/raw-dylib-link-ordinal/lib.rs | 2 +- tests/run-make/reproducible-build-2/linker.rs | 4 +- .../reproducible-build-aux.rs | 4 +- .../reproducible-build.rs | 19 ++++----- tests/run-make/reproducible-build/linker.rs | 4 +- .../reproducible-build-aux.rs | 4 +- .../reproducible-build/reproducible-build.rs | 19 ++++----- tests/run-make/reset-codegen-1/foo.rs | 2 +- tests/run-make/resolve-rename/bar.rs | 4 +- tests/run-make/resolve-rename/baz.rs | 4 +- .../return-non-c-like-enum-from-c/nonclike.rs | 2 +- .../return-non-c-like-enum/nonclike.rs | 2 +- tests/run-make/rlib-chain/m2.rs | 4 +- tests/run-make/rlib-chain/m3.rs | 4 +- tests/run-make/rlib-chain/m4.rs | 4 +- tests/run-make/rustdoc-error-lines/input.rs | 4 +- tests/run-make/rustdoc-error-lines/rmake.rs | 8 ++-- tests/run-make/rustdoc-map-file/foo.rs | 4 +- .../src/lib.rs | 4 +- .../examples/ex.rs | 10 ++--- .../rustdoc-scrape-examples-macros/src/lib.rs | 4 +- .../examples/ex.rs | 2 +- .../examples/ex.rs | 6 ++- .../share-generics-dylib/linked_leaf.rs | 3 +- tests/run-make/split-debuginfo/main.rs | 2 +- .../stable-symbol-names1.rs | 22 +++++----- .../stable-symbol-names2.rs | 18 ++++---- tests/run-make/static-unwinding/lib.rs | 9 +++- tests/run-make/static-unwinding/main.rs | 10 +++-- tests/run-make/suspicious-library/bar.rs | 4 +- .../symbol-mangling-hashed/a_dylib.rs | 2 +- .../run-make/symbol-mangling-hashed/a_rlib.rs | 2 +- .../run-make/symbol-mangling-hashed/b_bin.rs | 2 +- .../symbol-mangling-hashed/b_dylib.rs | 4 +- tests/run-make/symbol-visibility/a_cdylib.rs | 2 +- .../symbol-visibility/a_rust_dylib.rs | 6 ++- .../symbol-visibility/an_executable.rs | 2 +- tests/run-make/symbol-visibility/an_rlib.rs | 2 +- tests/run-make/symlinked-extern/bar.rs | 3 +- tests/run-make/symlinked-extern/foo.rs | 4 +- tests/run-make/target-cpu-native/foo.rs | 3 +- .../run-make/test-harness/test-ignore-cfg.rs | 6 +-- .../type-mismatch-same-crate-name/crateA.rs | 4 +- .../type-mismatch-same-crate-name/crateB.rs | 4 +- .../use-suggestions.rs | 2 +- tests/run-make/wasm-custom-section/bar.rs | 2 +- .../run-make/wasm-custom-sections-opt/foo.rs | 2 +- .../wasm-exceptions-nostd/src/arena_alloc.rs | 9 +--- .../run-make/wasm-exceptions-nostd/src/lib.rs | 30 +++++++------- .../wasm-exceptions-nostd/src/panicking.rs | 5 +-- tests/run-make/wasm-export-all-symbols/bar.rs | 2 +- .../run-make/wasm-symbols-not-exported/bar.rs | 5 +-- .../run-make/wasm-symbols-not-exported/foo.rs | 2 +- .../run-make/wasm-symbols-not-imported/foo.rs | 2 +- tests/run-make/windows-spawn/spawn.rs | 2 +- .../enclave/build.rs | 24 ++++------- 136 files changed, 421 insertions(+), 370 deletions(-) diff --git a/rustfmt.toml b/rustfmt.toml index 6f79e4b4e525..dfc41819968a 100644 --- a/rustfmt.toml +++ b/rustfmt.toml @@ -20,7 +20,7 @@ ignore = [ "/tests/incremental/", "/tests/mir-opt/", "/tests/pretty/", - "/tests/run-make/", + "/tests/run-make/translation/test.rs", # Contains syntax errors. "/tests/run-make-fulldeps/", "/tests/run-pass-valgrind/", "/tests/rustdoc/", diff --git a/tests/run-make/a-b-a-linker-guard/a.rs b/tests/run-make/a-b-a-linker-guard/a.rs index aa07b1e71607..22686760f1aa 100644 --- a/tests/run-make/a-b-a-linker-guard/a.rs +++ b/tests/run-make/a-b-a-linker-guard/a.rs @@ -2,7 +2,7 @@ #![crate_type = "dylib"] #[cfg(x)] -pub fn foo(x: u32) { } +pub fn foo(x: u32) {} #[cfg(y)] -pub fn foo(x: i32) { } +pub fn foo(x: i32) {} diff --git a/tests/run-make/allow-non-lint-warnings-cmdline/foo.rs b/tests/run-make/allow-non-lint-warnings-cmdline/foo.rs index 46e72da2de9f..02e8ccabf792 100644 --- a/tests/run-make/allow-non-lint-warnings-cmdline/foo.rs +++ b/tests/run-make/allow-non-lint-warnings-cmdline/foo.rs @@ -2,4 +2,4 @@ #[derive(Copy, Clone)] pub struct Foo; -pub fn main() { } +pub fn main() {} diff --git a/tests/run-make/allow-warnings-cmdline-stability/foo.rs b/tests/run-make/allow-warnings-cmdline-stability/foo.rs index 869b54354168..0b91b63c1185 100644 --- a/tests/run-make/allow-warnings-cmdline-stability/foo.rs +++ b/tests/run-make/allow-warnings-cmdline-stability/foo.rs @@ -2,4 +2,6 @@ extern crate bar; -pub fn main() { bar::baz() } +pub fn main() { + bar::baz() +} diff --git a/tests/run-make/atomic-lock-free/atomic_lock_free.rs b/tests/run-make/atomic-lock-free/atomic_lock_free.rs index 47d90b1856be..1f1116b9bfd1 100644 --- a/tests/run-make/atomic-lock-free/atomic_lock_free.rs +++ b/tests/run-make/atomic-lock-free/atomic_lock_free.rs @@ -1,5 +1,5 @@ #![feature(no_core, intrinsics, lang_items)] -#![crate_type="rlib"] +#![crate_type = "rlib"] #![no_core] extern "rust-intrinsic" { diff --git a/tests/run-make/bare-outfile/foo.rs b/tests/run-make/bare-outfile/foo.rs index f79c691f0853..f328e4d9d04c 100644 --- a/tests/run-make/bare-outfile/foo.rs +++ b/tests/run-make/bare-outfile/foo.rs @@ -1,2 +1 @@ -fn main() { -} +fn main() {} diff --git a/tests/run-make/box-struct-no-segfault/foo.rs b/tests/run-make/box-struct-no-segfault/foo.rs index 1dcabe42dc11..0897b74b3567 100644 --- a/tests/run-make/box-struct-no-segfault/foo.rs +++ b/tests/run-make/box-struct-no-segfault/foo.rs @@ -1,8 +1,8 @@ -#![crate_type="lib"] +#![crate_type = "lib"] pub struct Foo(()); impl Foo { - pub fn new() -> Foo { - Foo(()) - } + pub fn new() -> Foo { + Foo(()) + } } diff --git a/tests/run-make/box-struct-no-segfault/main.rs b/tests/run-make/box-struct-no-segfault/main.rs index de12b1fd9dc3..1a456af48e8d 100644 --- a/tests/run-make/box-struct-no-segfault/main.rs +++ b/tests/run-make/box-struct-no-segfault/main.rs @@ -1,7 +1,7 @@ -#![crate_type="lib"] +#![crate_type = "lib"] extern crate foo; use foo::Foo; pub fn crash() -> Box { - Box::new(Foo::new()) + Box::new(Foo::new()) } diff --git a/tests/run-make/c-link-to-rust-va-list-fn/checkrust.rs b/tests/run-make/c-link-to-rust-va-list-fn/checkrust.rs index e518579b906a..196c6440747a 100644 --- a/tests/run-make/c-link-to-rust-va-list-fn/checkrust.rs +++ b/tests/run-make/c-link-to-rust-va-list-fn/checkrust.rs @@ -1,16 +1,16 @@ #![crate_type = "staticlib"] #![feature(c_variadic)] -use std::ffi::{c_char, c_double, c_int, c_long, c_longlong}; use std::ffi::VaList; -use std::ffi::{CString, CStr}; +use std::ffi::{c_char, c_double, c_int, c_long, c_longlong}; +use std::ffi::{CStr, CString}; macro_rules! continue_if { ($cond:expr) => { if !($cond) { return 0xff; } - } + }; } unsafe fn compare_c_str(ptr: *const c_char, val: &str) -> bool { @@ -59,13 +59,11 @@ pub unsafe extern "C" fn check_list_copy_0(mut ap: VaList) -> usize { continue_if!(ap.arg::() == 16); continue_if!(ap.arg::() == 'A' as c_char); continue_if!(compare_c_str(ap.arg::<*const c_char>(), "Skip Me!")); - ap.with_copy(|mut ap| { - if compare_c_str(ap.arg::<*const c_char>(), "Correct") { - 0 - } else { - 0xff - } - }) + ap.with_copy( + |mut ap| { + if compare_c_str(ap.arg::<*const c_char>(), "Correct") { 0 } else { 0xff } + }, + ) } #[no_mangle] diff --git a/tests/run-make/compiler-lookup-paths-2/c.rs b/tests/run-make/compiler-lookup-paths-2/c.rs index e37bc2e1dcef..1326edb575ed 100644 --- a/tests/run-make/compiler-lookup-paths-2/c.rs +++ b/tests/run-make/compiler-lookup-paths-2/c.rs @@ -1,3 +1,3 @@ #![crate_type = "lib"] -extern crate b; extern crate a; +extern crate b; diff --git a/tests/run-make/crate-data-smoke/rmake.rs b/tests/run-make/crate-data-smoke/rmake.rs index 80d43903a532..86fe5593e661 100644 --- a/tests/run-make/crate-data-smoke/rmake.rs +++ b/tests/run-make/crate-data-smoke/rmake.rs @@ -3,41 +3,20 @@ use std::process::Output; use run_make_support::{bin_name, rust_lib_name, rustc}; fn compare_stdout>(output: Output, expected: S) { - assert_eq!( - String::from_utf8(output.stdout).unwrap().trim(), - expected.as_ref() - ); + assert_eq!(String::from_utf8(output.stdout).unwrap().trim(), expected.as_ref()); } fn main() { compare_stdout(rustc().print("crate-name").input("crate.rs").run(), "foo"); + compare_stdout(rustc().print("file-names").input("crate.rs").run(), bin_name("foo")); compare_stdout( - rustc().print("file-names").input("crate.rs").run(), + rustc().print("file-names").crate_type("lib").arg("--test").input("crate.rs").run(), bin_name("foo"), ); compare_stdout( - rustc() - .print("file-names") - .crate_type("lib") - .arg("--test") - .input("crate.rs") - .run(), - bin_name("foo"), - ); - compare_stdout( - rustc() - .print("file-names") - .arg("--test") - .input("lib.rs") - .run(), + rustc().print("file-names").arg("--test").input("lib.rs").run(), bin_name("mylib"), ); - compare_stdout( - rustc().print("file-names").input("lib.rs").run(), - rust_lib_name("mylib"), - ); - compare_stdout( - rustc().print("file-names").input("rlib.rs").run(), - rust_lib_name("mylib"), - ); + compare_stdout(rustc().print("file-names").input("lib.rs").run(), rust_lib_name("mylib")); + compare_stdout(rustc().print("file-names").input("rlib.rs").run(), rust_lib_name("mylib")); } diff --git a/tests/run-make/cross-lang-lto-clang/rustlib.rs b/tests/run-make/cross-lang-lto-clang/rustlib.rs index 8a74d74a420b..9aff29ef9bb6 100644 --- a/tests/run-make/cross-lang-lto-clang/rustlib.rs +++ b/tests/run-make/cross-lang-lto-clang/rustlib.rs @@ -1,4 +1,4 @@ -#![crate_type="staticlib"] +#![crate_type = "staticlib"] #[no_mangle] pub extern "C" fn rust_always_inlined() -> u32 { diff --git a/tests/run-make/cross-lang-lto-pgo-smoketest/rustlib.rs b/tests/run-make/cross-lang-lto-pgo-smoketest/rustlib.rs index 8a74d74a420b..9aff29ef9bb6 100644 --- a/tests/run-make/cross-lang-lto-pgo-smoketest/rustlib.rs +++ b/tests/run-make/cross-lang-lto-pgo-smoketest/rustlib.rs @@ -1,4 +1,4 @@ -#![crate_type="staticlib"] +#![crate_type = "staticlib"] #[no_mangle] pub extern "C" fn rust_always_inlined() -> u32 { diff --git a/tests/run-make/cross-lang-lto-upstream-rlibs/staticlib.rs b/tests/run-make/cross-lang-lto-upstream-rlibs/staticlib.rs index 34951dda3b6e..76c24df78987 100644 --- a/tests/run-make/cross-lang-lto-upstream-rlibs/staticlib.rs +++ b/tests/run-make/cross-lang-lto-upstream-rlibs/staticlib.rs @@ -1,4 +1,4 @@ -#![crate_type="staticlib"] +#![crate_type = "staticlib"] extern crate upstream; diff --git a/tests/run-make/debug-assertions/debug.rs b/tests/run-make/debug-assertions/debug.rs index 76ca60a71c88..9eebf60ded09 100644 --- a/tests/run-make/debug-assertions/debug.rs +++ b/tests/run-make/debug-assertions/debug.rs @@ -15,19 +15,33 @@ fn main() { fn debug_assert_eq() { let mut hit1 = false; let mut hit2 = false; - debug_assert_eq!({ hit1 = true; 1 }, { hit2 = true; 2 }); + debug_assert_eq!( + { + hit1 = true; + 1 + }, + { + hit2 = true; + 2 + } + ); assert!(!hit1); assert!(!hit2); } fn debug_assert() { let mut hit = false; - debug_assert!({ hit = true; false }); + debug_assert!({ + hit = true; + false + }); assert!(!hit); } fn overflow() { - fn add(a: u8, b: u8) -> u8 { a + b } + fn add(a: u8, b: u8) -> u8 { + a + b + } add(200u8, 200u8); } diff --git a/tests/run-make/dep-info-spaces/lib.rs b/tests/run-make/dep-info-spaces/lib.rs index 6264e7b67ec6..4e061892cf7a 100644 --- a/tests/run-make/dep-info-spaces/lib.rs +++ b/tests/run-make/dep-info-spaces/lib.rs @@ -1,4 +1,4 @@ -#[path="foo foo.rs"] +#[path = "foo foo.rs"] pub mod foo; pub mod bar; diff --git a/tests/run-make/dep-info/lib.rs b/tests/run-make/dep-info/lib.rs index eb8631259d43..6e2781cd4b20 100644 --- a/tests/run-make/dep-info/lib.rs +++ b/tests/run-make/dep-info/lib.rs @@ -1,4 +1,4 @@ #![crate_name = "foo"] -pub mod foo; pub mod bar; +pub mod foo; diff --git a/tests/run-make/deref-impl-rustdoc-ice/baz.rs b/tests/run-make/deref-impl-rustdoc-ice/baz.rs index cd2425f9b692..f606ef9bd6b6 100644 --- a/tests/run-make/deref-impl-rustdoc-ice/baz.rs +++ b/tests/run-make/deref-impl-rustdoc-ice/baz.rs @@ -1,8 +1,10 @@ -extern crate foo; extern crate bar; +extern crate foo; pub struct Bar; impl ::std::ops::Deref for Bar { type Target = bar::S; - fn deref(&self) -> &Self::Target { unimplemented!() } + fn deref(&self) -> &Self::Target { + unimplemented!() + } } diff --git a/tests/run-make/deref-impl-rustdoc-ice/foo.rs b/tests/run-make/deref-impl-rustdoc-ice/foo.rs index a106e4fde5cc..df00ed4b9e0b 100644 --- a/tests/run-make/deref-impl-rustdoc-ice/foo.rs +++ b/tests/run-make/deref-impl-rustdoc-ice/foo.rs @@ -3,7 +3,9 @@ extern crate proc_macro; #[proc_macro_derive(A)] -pub fn derive(ts: proc_macro::TokenStream) -> proc_macro::TokenStream { ts } +pub fn derive(ts: proc_macro::TokenStream) -> proc_macro::TokenStream { + ts +} #[derive(Debug)] struct S; diff --git a/tests/run-make/dylib-chain/m2.rs b/tests/run-make/dylib-chain/m2.rs index 62176ddc9f35..92950a919154 100644 --- a/tests/run-make/dylib-chain/m2.rs +++ b/tests/run-make/dylib-chain/m2.rs @@ -1,4 +1,6 @@ #![crate_type = "dylib"] extern crate m1; -pub fn m2() { m1::m1() } +pub fn m2() { + m1::m1() +} diff --git a/tests/run-make/dylib-chain/m3.rs b/tests/run-make/dylib-chain/m3.rs index d213aeda9ac1..28a8ca9d7dde 100644 --- a/tests/run-make/dylib-chain/m3.rs +++ b/tests/run-make/dylib-chain/m3.rs @@ -1,4 +1,6 @@ #![crate_type = "dylib"] extern crate m2; -pub fn m3() { m2::m2() } +pub fn m3() { + m2::m2() +} diff --git a/tests/run-make/dylib-chain/m4.rs b/tests/run-make/dylib-chain/m4.rs index fa8ec6079dea..c732512af9fc 100644 --- a/tests/run-make/dylib-chain/m4.rs +++ b/tests/run-make/dylib-chain/m4.rs @@ -1,3 +1,5 @@ extern crate m3; -fn main() { m3::m3() } +fn main() { + m3::m3() +} diff --git a/tests/run-make/emit/test-26235.rs b/tests/run-make/emit/test-26235.rs index 07d975f3317c..d91c46d2dec8 100644 --- a/tests/run-make/emit/test-26235.rs +++ b/tests/run-make/emit/test-26235.rs @@ -6,16 +6,22 @@ fn main() { type Key = u32; const NUM_THREADS: usize = 2; - #[derive(Clone,Copy)] + #[derive(Clone, Copy)] struct Stats { upsert: S, delete: S, insert: S, - update: S + update: S, }; - impl Stats where S: Copy { - fn dot(self, s: Stats, f: F) -> Stats where F: Fn(S, T) -> B { + impl Stats + where + S: Copy, + { + fn dot(self, s: Stats, f: F) -> Stats + where + F: Fn(S, T) -> B, + { let Stats { upsert: u1, delete: d1, insert: i1, update: p1 } = self; let Stats { upsert: u2, delete: d2, insert: i2, update: p2 } = s; Stats { upsert: f(u1, u2), delete: f(d1, d2), insert: f(i1, i2), update: f(p1, p2) } @@ -38,9 +44,12 @@ fn main() { make_threads(); { - let Stats { ref upsert, ref delete, ref insert, ref update } = stats.iter().fold( - Stats::new(0), |res, &s| res.dot(s, |x: Key, y: Key| x.wrapping_add(y))); - println!("upserts: {}, deletes: {}, inserts: {}, updates: {}", - upsert, delete, insert, update); + let Stats { ref upsert, ref delete, ref insert, ref update } = stats + .iter() + .fold(Stats::new(0), |res, &s| res.dot(s, |x: Key, y: Key| x.wrapping_add(y))); + println!( + "upserts: {}, deletes: {}, inserts: {}, updates: {}", + upsert, delete, insert, update + ); } } diff --git a/tests/run-make/extern-diff-internal-name/test.rs b/tests/run-make/extern-diff-internal-name/test.rs index 4c53dc28a80e..d210f8833165 100644 --- a/tests/run-make/extern-diff-internal-name/test.rs +++ b/tests/run-make/extern-diff-internal-name/test.rs @@ -1,5 +1,4 @@ #[macro_use] extern crate foo; -fn main() { -} +fn main() {} diff --git a/tests/run-make/extern-flag-disambiguates/a.rs b/tests/run-make/extern-flag-disambiguates/a.rs index 2b1a3190150f..fe4bb5ccac40 100644 --- a/tests/run-make/extern-flag-disambiguates/a.rs +++ b/tests/run-make/extern-flag-disambiguates/a.rs @@ -3,4 +3,6 @@ static FOO: usize = 3; -pub fn token() -> &'static usize { &FOO } +pub fn token() -> &'static usize { + &FOO +} diff --git a/tests/run-make/extern-flag-disambiguates/b.rs b/tests/run-make/extern-flag-disambiguates/b.rs index 1d7a7339ce27..fc3303e5ef8a 100644 --- a/tests/run-make/extern-flag-disambiguates/b.rs +++ b/tests/run-make/extern-flag-disambiguates/b.rs @@ -5,5 +5,9 @@ extern crate a; static FOO: usize = 3; -pub fn token() -> &'static usize { &FOO } -pub fn a_token() -> &'static usize { a::token() } +pub fn token() -> &'static usize { + &FOO +} +pub fn a_token() -> &'static usize { + a::token() +} diff --git a/tests/run-make/extern-flag-disambiguates/c.rs b/tests/run-make/extern-flag-disambiguates/c.rs index 3f9d143ed2dc..26ac787e74d1 100644 --- a/tests/run-make/extern-flag-disambiguates/c.rs +++ b/tests/run-make/extern-flag-disambiguates/c.rs @@ -5,5 +5,9 @@ extern crate a; static FOO: usize = 3; -pub fn token() -> &'static usize { &FOO } -pub fn a_token() -> &'static usize { a::token() } +pub fn token() -> &'static usize { + &FOO +} +pub fn a_token() -> &'static usize { + a::token() +} diff --git a/tests/run-make/extern-flag-disambiguates/d.rs b/tests/run-make/extern-flag-disambiguates/d.rs index 249c6a107ff3..f0ab2b063e11 100644 --- a/tests/run-make/extern-flag-disambiguates/d.rs +++ b/tests/run-make/extern-flag-disambiguates/d.rs @@ -1,9 +1,13 @@ -#[cfg(before)] extern crate a; +#[cfg(before)] +extern crate a; +#[cfg(after)] +extern crate a; extern crate b; extern crate c; -#[cfg(after)] extern crate a; -fn t(a: &'static usize) -> usize { a as *const _ as usize } +fn t(a: &'static usize) -> usize { + a as *const _ as usize +} fn main() { assert_eq!(t(a::token()), t(b::a_token())); diff --git a/tests/run-make/extern-fn-explicit-align/test.rs b/tests/run-make/extern-fn-explicit-align/test.rs index 846622de3cd1..81991b5919ce 100644 --- a/tests/run-make/extern-fn-explicit-align/test.rs +++ b/tests/run-make/extern-fn-explicit-align/test.rs @@ -1,6 +1,6 @@ // Issue #80127: Passing structs via FFI should work with explicit alignment. -use std::ffi::{CStr, c_char}; +use std::ffi::{c_char, CStr}; use std::ptr::null_mut; #[repr(C)] @@ -18,7 +18,7 @@ pub struct TwoU64s { #[repr(C)] pub struct WrappedU64s { - pub a: TwoU64s + pub a: TwoU64s, } #[repr(C)] diff --git a/tests/run-make/extern-fn-reachable/dylib.rs b/tests/run-make/extern-fn-reachable/dylib.rs index cd0179348705..fe0c7023b27b 100644 --- a/tests/run-make/extern-fn-reachable/dylib.rs +++ b/tests/run-make/extern-fn-reachable/dylib.rs @@ -1,14 +1,19 @@ #![crate_type = "dylib"] #![allow(dead_code)] -#[no_mangle] pub extern "C" fn fun1() {} -#[no_mangle] extern "C" fn fun2() {} +#[no_mangle] +pub extern "C" fn fun1() {} +#[no_mangle] +extern "C" fn fun2() {} mod foo { - #[no_mangle] pub extern "C" fn fun3() {} + #[no_mangle] + pub extern "C" fn fun3() {} } pub mod bar { - #[no_mangle] pub extern "C" fn fun4() {} + #[no_mangle] + pub extern "C" fn fun4() {} } -#[no_mangle] pub fn fun5() {} +#[no_mangle] +pub fn fun5() {} diff --git a/tests/run-make/extern-fn-struct-passing-abi/test.rs b/tests/run-make/extern-fn-struct-passing-abi/test.rs index 99e079f98a87..f898592fce98 100644 --- a/tests/run-make/extern-fn-struct-passing-abi/test.rs +++ b/tests/run-make/extern-fn-struct-passing-abi/test.rs @@ -90,8 +90,12 @@ extern "C" { fn byval_rect_with_many_huge(a: Huge, b: Huge, c: Huge, d: Huge, e: Huge, f: Huge, g: Rect); fn byval_rect_with_many_huge64( - a: Huge64, b: Huge64, c: Huge64, - d: Huge64, e: Huge64, f: Huge64, + a: Huge64, + b: Huge64, + c: Huge64, + d: Huge64, + e: Huge64, + f: Huge64, g: Rect, ); diff --git a/tests/run-make/extern-multiple-copies/bar.rs b/tests/run-make/extern-multiple-copies/bar.rs index c6b3595f6775..aa0bee77cb29 100644 --- a/tests/run-make/extern-multiple-copies/bar.rs +++ b/tests/run-make/extern-multiple-copies/bar.rs @@ -1,5 +1,5 @@ -extern crate foo2; // foo2 first to exhibit the bug extern crate foo1; +extern crate foo2; // foo2 first to exhibit the bug fn main() { /* ... */ diff --git a/tests/run-make/external-crate-panic-handle-no-lint/app.rs b/tests/run-make/external-crate-panic-handle-no-lint/app.rs index 8127b9578bfe..e0168579ccab 100644 --- a/tests/run-make/external-crate-panic-handle-no-lint/app.rs +++ b/tests/run-make/external-crate-panic-handle-no-lint/app.rs @@ -1,7 +1,6 @@ #![crate_type = "bin"] #![no_main] #![no_std] - #![deny(unused_extern_crates)] // `panic` provides a `panic_handler` so it shouldn't trip the `unused_extern_crates` lint diff --git a/tests/run-make/incr-prev-body-beyond-eof/a.rs b/tests/run-make/incr-prev-body-beyond-eof/a.rs index ca70fb563349..59ac25444000 100644 --- a/tests/run-make/incr-prev-body-beyond-eof/a.rs +++ b/tests/run-make/incr-prev-body-beyond-eof/a.rs @@ -9,8 +9,4 @@ fn main() { // Basically, avoid modifying this file, including adding or removing whitespace! fn foo() { assert_eq!(1, 1); - - - - } diff --git a/tests/run-make/incr-prev-body-beyond-eof/b.rs b/tests/run-make/incr-prev-body-beyond-eof/b.rs index a272e44a6326..2f26a1ffe97a 100644 --- a/tests/run-make/incr-prev-body-beyond-eof/b.rs +++ b/tests/run-make/incr-prev-body-beyond-eof/b.rs @@ -8,5 +8,5 @@ fn main() { // a.rs, the body must end on a line number which does not exist in b.rs. // Basically, avoid modifying this file, including adding or removing whitespace! fn foo() { - assert_eq!(1, 1);//// + assert_eq!(1, 1); //// } diff --git a/tests/run-make/inline-always-many-cgu/foo.rs b/tests/run-make/inline-always-many-cgu/foo.rs index 65fe69c16fe7..b7c5371ea49c 100644 --- a/tests/run-make/inline-always-many-cgu/foo.rs +++ b/tests/run-make/inline-always-many-cgu/foo.rs @@ -2,11 +2,9 @@ pub mod a { #[inline(always)] - pub fn foo() { - } + pub fn foo() {} - pub fn bar() { - } + pub fn bar() {} } #[no_mangle] diff --git a/tests/run-make/interdependent-c-libraries/main.rs b/tests/run-make/interdependent-c-libraries/main.rs index 2aba427df474..a429030d3a2b 100644 --- a/tests/run-make/interdependent-c-libraries/main.rs +++ b/tests/run-make/interdependent-c-libraries/main.rs @@ -1,5 +1,5 @@ -extern crate foo; extern crate bar; +extern crate foo; fn main() { bar::doit(); diff --git a/tests/run-make/intrinsic-unreachable/exit-ret.rs b/tests/run-make/intrinsic-unreachable/exit-ret.rs index c8ba5b4599f2..3653316b5c67 100644 --- a/tests/run-make/intrinsic-unreachable/exit-ret.rs +++ b/tests/run-make/intrinsic-unreachable/exit-ret.rs @@ -1,4 +1,4 @@ -#![crate_type="lib"] +#![crate_type = "lib"] use std::arch::asm; #[deny(unreachable_code)] diff --git a/tests/run-make/intrinsic-unreachable/exit-unreachable.rs b/tests/run-make/intrinsic-unreachable/exit-unreachable.rs index 75f893eb2df1..d0f193d49eef 100644 --- a/tests/run-make/intrinsic-unreachable/exit-unreachable.rs +++ b/tests/run-make/intrinsic-unreachable/exit-unreachable.rs @@ -1,5 +1,5 @@ #![feature(core_intrinsics)] -#![crate_type="lib"] +#![crate_type = "lib"] use std::arch::asm; use std::intrinsics; diff --git a/tests/run-make/issue-18943/foo.rs b/tests/run-make/issue-18943/foo.rs index d18400dd3a54..54daec8dd1ea 100644 --- a/tests/run-make/issue-18943/foo.rs +++ b/tests/run-make/issue-18943/foo.rs @@ -1,5 +1,5 @@ -trait Foo { } +trait Foo {} -trait Bar { } +trait Bar {} -impl<'a> Foo for Bar + 'a { } +impl<'a> Foo for Bar + 'a {} diff --git a/tests/run-make/issue-20626/foo.rs b/tests/run-make/issue-20626/foo.rs index a474e234e72d..1007686d9fe1 100644 --- a/tests/run-make/issue-20626/foo.rs +++ b/tests/run-make/issue-20626/foo.rs @@ -1,4 +1,6 @@ -fn identity(a: &u32) -> &u32 { a } +fn identity(a: &u32) -> &u32 { + a +} fn print_foo(f: &fn(&u32) -> &u32, x: &u32) { print!("{}", (*f)(x)); diff --git a/tests/run-make/issue-22131/foo.rs b/tests/run-make/issue-22131/foo.rs index 33255d76879f..7b955a07b979 100644 --- a/tests/run-make/issue-22131/foo.rs +++ b/tests/run-make/issue-22131/foo.rs @@ -2,4 +2,6 @@ /// assert_eq!(foo::foo(), 1); /// ``` #[cfg(feature = "bar")] -pub fn foo() -> i32 { 1 } +pub fn foo() -> i32 { + 1 +} diff --git a/tests/run-make/issue-26006/in/libc/lib.rs b/tests/run-make/issue-26006/in/libc/lib.rs index 23f2bf51800a..bad155a99bd6 100644 --- a/tests/run-make/issue-26006/in/libc/lib.rs +++ b/tests/run-make/issue-26006/in/libc/lib.rs @@ -1,3 +1,3 @@ -#![crate_type="rlib"] +#![crate_type = "rlib"] -pub fn something(){} +pub fn something() {} diff --git a/tests/run-make/issue-26006/in/time/lib.rs b/tests/run-make/issue-26006/in/time/lib.rs index 87f2f824a366..51ed27cd713f 100644 --- a/tests/run-make/issue-26006/in/time/lib.rs +++ b/tests/run-make/issue-26006/in/time/lib.rs @@ -1,4 +1,4 @@ #![feature(rustc_private)] extern crate libc; -fn main(){} +fn main() {} diff --git a/tests/run-make/issue-37839/b.rs b/tests/run-make/issue-37839/b.rs index 355d2b165274..067f47c1b7a1 100644 --- a/tests/run-make/issue-37839/b.rs +++ b/tests/run-make/issue-37839/b.rs @@ -1,2 +1,3 @@ #![crate_type = "lib"] -#[macro_use] extern crate a; +#[macro_use] +extern crate a; diff --git a/tests/run-make/issue-47551/eh_frame-terminator.rs b/tests/run-make/issue-47551/eh_frame-terminator.rs index 35db4bc7d1f7..0c90d8c791c7 100644 --- a/tests/run-make/issue-47551/eh_frame-terminator.rs +++ b/tests/run-make/issue-47551/eh_frame-terminator.rs @@ -7,9 +7,7 @@ struct Foo { impl Foo { const fn new() -> Self { - Self { - array: [0x1122_3344_5566_7788; 10240] - } + Self { array: [0x1122_3344_5566_7788; 10240] } } } diff --git a/tests/run-make/issue-69368/c.rs b/tests/run-make/issue-69368/c.rs index 729c4249a053..9d72657aa593 100644 --- a/tests/run-make/issue-69368/c.rs +++ b/tests/run-make/issue-69368/c.rs @@ -2,8 +2,8 @@ #![feature(start)] #![no_std] -extern crate alloc; extern crate a; +extern crate alloc; extern crate b; use alloc::vec::Vec; diff --git a/tests/run-make/link-arg/empty.rs b/tests/run-make/link-arg/empty.rs index 45590d86ba6c..f328e4d9d04c 100644 --- a/tests/run-make/link-arg/empty.rs +++ b/tests/run-make/link-arg/empty.rs @@ -1 +1 @@ -fn main() { } +fn main() {} diff --git a/tests/run-make/long-linker-command-lines-cmd-exe/foo.rs b/tests/run-make/long-linker-command-lines-cmd-exe/foo.rs index 74d7b9b07f69..1d5202dcdb49 100644 --- a/tests/run-make/long-linker-command-lines-cmd-exe/foo.rs +++ b/tests/run-make/long-linker-command-lines-cmd-exe/foo.rs @@ -13,13 +13,13 @@ use std::env; use std::fs::{self, File}; -use std::io::{BufWriter, Write, Read}; +use std::io::{BufWriter, Read, Write}; use std::path::PathBuf; use std::process::Command; fn main() { if !cfg!(windows) { - return + return; } let tmpdir = PathBuf::from(env::var_os("OUT_DIR").unwrap()); @@ -31,16 +31,16 @@ fn main() { let file = file.to_str().unwrap(); fs::copy(&file[1..], &ok).unwrap(); } - None => { File::create(¬_ok).unwrap(); } + None => { + File::create(¬_ok).unwrap(); + } } - return + return; } let rustc = env::var_os("RUSTC").unwrap_or("rustc".into()); let me = env::current_exe().unwrap(); - let bat = me.parent() - .unwrap() - .join("foo.bat"); + let bat = me.parent().unwrap().join("foo.bat"); let bat_linker = format!("linker={}", bat.display()); for i in (1..).map(|i| i * 10) { println!("attempt: {}", i); @@ -61,8 +61,10 @@ fn main() { drop(fs::remove_file(¬_ok)); let status = Command::new(&rustc) .arg(&file) - .arg("-C").arg(&bat_linker) - .arg("--out-dir").arg(&tmpdir) + .arg("-C") + .arg(&bat_linker) + .arg("--out-dir") + .arg(&tmpdir) .env("YOU_ARE_A_LINKER", "1") .env("MY_LINKER", &me) .status() @@ -74,7 +76,7 @@ fn main() { if !ok.exists() { assert!(not_ok.exists()); - continue + continue; } let mut contents = Vec::new(); @@ -96,6 +98,6 @@ fn main() { assert!(contents.windows(exp.len()).any(|w| w == &exp[..])); } - break + break; } } diff --git a/tests/run-make/long-linker-command-lines/foo.rs b/tests/run-make/long-linker-command-lines/foo.rs index db238c0cf1a9..9d4a701ad876 100644 --- a/tests/run-make/long-linker-command-lines/foo.rs +++ b/tests/run-make/long-linker-command-lines/foo.rs @@ -34,9 +34,7 @@ fn write_test_case(file: &Path, n: usize) -> HashSet { fn read_linker_args(path: &Path) -> String { let contents = fs::read(path).unwrap(); if cfg!(target_env = "msvc") { - let mut i = contents.chunks(2).map(|c| { - c[0] as u16 | ((c[1] as u16) << 8) - }); + let mut i = contents.chunks(2).map(|c| c[0] as u16 | ((c[1] as u16) << 8)); assert_eq!(i.next(), Some(0xfeff), "Expected UTF-16 BOM"); String::from_utf16(&i.collect::>()).unwrap() } else { @@ -52,7 +50,7 @@ fn main() { let file = file.to_str().expect("non-utf8 file argument"); fs::copy(&file[1..], &ok).unwrap(); } - return + return; } let rustc = env::var_os("RUSTC").unwrap_or("rustc".into()); @@ -65,28 +63,35 @@ fn main() { drop(fs::remove_file(&ok)); let output = Command::new(&rustc) .arg(&file) - .arg("-C").arg(&me_as_linker) - .arg("--out-dir").arg(&tmpdir) + .arg("-C") + .arg(&me_as_linker) + .arg("--out-dir") + .arg(&tmpdir) .env("YOU_ARE_A_LINKER", "1") .output() .unwrap(); if !output.status.success() { let stderr = String::from_utf8_lossy(&output.stderr); - panic!("status: {}\nstdout:\n{}\nstderr:\n{}", - output.status, - String::from_utf8_lossy(&output.stdout), - stderr.lines().map(|l| { - if l.len() > 200 { - format!("{}...\n", &l[..200]) - } else { - format!("{}\n", l) - } - }).collect::()); + panic!( + "status: {}\nstdout:\n{}\nstderr:\n{}", + output.status, + String::from_utf8_lossy(&output.stdout), + stderr + .lines() + .map(|l| { + if l.len() > 200 { + format!("{}...\n", &l[..200]) + } else { + format!("{}\n", l) + } + }) + .collect::() + ); } if !ok.exists() { - continue + continue; } let linker_args = read_linker_args(&ok); @@ -101,6 +106,6 @@ fn main() { linker_args, ); - break + break; } } diff --git a/tests/run-make/many-crates-but-no-match/crateA1.rs b/tests/run-make/many-crates-but-no-match/crateA1.rs index 3fed5a38e2ca..f3025909b7de 100644 --- a/tests/run-make/many-crates-but-no-match/crateA1.rs +++ b/tests/run-make/many-crates-but-no-match/crateA1.rs @@ -1,4 +1,4 @@ -#![crate_name="crateA"] +#![crate_name = "crateA"] // Base crate pub fn func() {} diff --git a/tests/run-make/many-crates-but-no-match/crateA2.rs b/tests/run-make/many-crates-but-no-match/crateA2.rs index 8db07a015ff2..ff9f9d4d300b 100644 --- a/tests/run-make/many-crates-but-no-match/crateA2.rs +++ b/tests/run-make/many-crates-but-no-match/crateA2.rs @@ -1,4 +1,6 @@ -#![crate_name="crateA"] +#![crate_name = "crateA"] // Base crate -pub fn func() { println!("hello"); } +pub fn func() { + println!("hello"); +} diff --git a/tests/run-make/many-crates-but-no-match/crateA3.rs b/tests/run-make/many-crates-but-no-match/crateA3.rs index a1e8e40a38c2..dddf7f728eed 100644 --- a/tests/run-make/many-crates-but-no-match/crateA3.rs +++ b/tests/run-make/many-crates-but-no-match/crateA3.rs @@ -1,4 +1,6 @@ -#![crate_name="crateA"] +#![crate_name = "crateA"] // Base crate -pub fn foo() { println!("world!"); } +pub fn foo() { + println!("world!"); +} diff --git a/tests/run-make/metadata-flag-frobs-symbols/foo.rs b/tests/run-make/metadata-flag-frobs-symbols/foo.rs index 696aed2fa1db..cdc8433d8a40 100644 --- a/tests/run-make/metadata-flag-frobs-symbols/foo.rs +++ b/tests/run-make/metadata-flag-frobs-symbols/foo.rs @@ -3,4 +3,6 @@ static FOO: usize = 3; -pub fn foo() -> &'static usize { &FOO } +pub fn foo() -> &'static usize { + &FOO +} diff --git a/tests/run-make/mixing-deps/dylib.rs b/tests/run-make/mixing-deps/dylib.rs index 88976d5b663f..f3dd134249db 100644 --- a/tests/run-make/mixing-deps/dylib.rs +++ b/tests/run-make/mixing-deps/dylib.rs @@ -3,4 +3,6 @@ extern crate both; use std::mem; -pub fn addr() -> usize { unsafe { mem::transmute(&both::foo) } } +pub fn addr() -> usize { + unsafe { mem::transmute(&both::foo) } +} diff --git a/tests/run-make/mixing-deps/prog.rs b/tests/run-make/mixing-deps/prog.rs index 188981dc1a31..1e52ee16982d 100644 --- a/tests/run-make/mixing-deps/prog.rs +++ b/tests/run-make/mixing-deps/prog.rs @@ -1,9 +1,8 @@ -extern crate dylib; extern crate both; +extern crate dylib; use std::mem; fn main() { - assert_eq!(unsafe { mem::transmute::<&isize, usize>(&both::foo) }, - dylib::addr()); + assert_eq!(unsafe { mem::transmute::<&isize, usize>(&both::foo) }, dylib::addr()); } diff --git a/tests/run-make/mixing-libs/dylib.rs b/tests/run-make/mixing-libs/dylib.rs index 6856887501c2..cde5cc139ba6 100644 --- a/tests/run-make/mixing-libs/dylib.rs +++ b/tests/run-make/mixing-libs/dylib.rs @@ -1,4 +1,6 @@ #![crate_type = "dylib"] extern crate rlib; -pub fn dylib() { rlib::rlib() } +pub fn dylib() { + rlib::rlib() +} diff --git a/tests/run-make/native-link-modifier-whole-archive/native_lib_in_src.rs b/tests/run-make/native-link-modifier-whole-archive/native_lib_in_src.rs index 971f3be7a61e..d5bc0c3eb697 100644 --- a/tests/run-make/native-link-modifier-whole-archive/native_lib_in_src.rs +++ b/tests/run-make/native-link-modifier-whole-archive/native_lib_in_src.rs @@ -1,9 +1,11 @@ use std::io::Write; -#[link(name = "c_static_lib_with_constructor", - kind = "static", - modifiers = "-bundle,+whole-archive")] -extern {} +#[link( + name = "c_static_lib_with_constructor", + kind = "static", + modifiers = "-bundle,+whole-archive" +)] +extern "C" {} pub fn hello() { print!("native_lib_in_src."); diff --git a/tests/run-make/non-pie-thread-local/foo.rs b/tests/run-make/non-pie-thread-local/foo.rs index b67f3847cd49..30d2537750d7 100644 --- a/tests/run-make/non-pie-thread-local/foo.rs +++ b/tests/run-make/non-pie-thread-local/foo.rs @@ -2,7 +2,9 @@ struct Destroy; impl Drop for Destroy { - fn drop(&mut self) { println!("drop"); } + fn drop(&mut self) { + println!("drop"); + } } thread_local! { diff --git a/tests/run-make/pass-non-c-like-enum-to-c/nonclike.rs b/tests/run-make/pass-non-c-like-enum-to-c/nonclike.rs index 517286a868d8..7b5c620b3381 100644 --- a/tests/run-make/pass-non-c-like-enum-to-c/nonclike.rs +++ b/tests/run-make/pass-non-c-like-enum-to-c/nonclike.rs @@ -4,7 +4,7 @@ pub enum TT { BB, } -#[repr(C,u8)] +#[repr(C, u8)] pub enum T { A(u64), B, @@ -16,6 +16,6 @@ extern "C" { } fn main() { - assert_eq!(33, unsafe { tt_add(TT::AA(1,2), TT::AA(10,20)) }); + assert_eq!(33, unsafe { tt_add(TT::AA(1, 2), TT::AA(10, 20)) }); assert_eq!(11, unsafe { t_add(T::A(1), T::A(10)) }); } diff --git a/tests/run-make/pdb-buildinfo-cl-cmd/main.rs b/tests/run-make/pdb-buildinfo-cl-cmd/main.rs index f79c691f0853..f328e4d9d04c 100644 --- a/tests/run-make/pdb-buildinfo-cl-cmd/main.rs +++ b/tests/run-make/pdb-buildinfo-cl-cmd/main.rs @@ -1,2 +1 @@ -fn main() { -} +fn main() {} diff --git a/tests/run-make/pgo-branch-weights/interesting.rs b/tests/run-make/pgo-branch-weights/interesting.rs index a26d6fd69d14..7066496f4beb 100644 --- a/tests/run-make/pgo-branch-weights/interesting.rs +++ b/tests/run-make/pgo-branch-weights/interesting.rs @@ -1,5 +1,5 @@ -#![crate_name="interesting"] -#![crate_type="rlib"] +#![crate_name = "interesting"] +#![crate_type = "rlib"] extern crate opaque; @@ -22,7 +22,6 @@ pub fn function_called_42_times(c: char) { // This branch is taken 12 times opaque::f1(); } else { - if c == 'b' { // This branch is taken 28 times opaque::f2(); diff --git a/tests/run-make/pgo-branch-weights/opaque.rs b/tests/run-make/pgo-branch-weights/opaque.rs index 72f93c9feab6..39dedf0f7bf5 100644 --- a/tests/run-make/pgo-branch-weights/opaque.rs +++ b/tests/run-make/pgo-branch-weights/opaque.rs @@ -1,5 +1,5 @@ -#![crate_name="opaque"] -#![crate_type="rlib"] +#![crate_name = "opaque"] +#![crate_type = "rlib"] pub fn f1() {} pub fn f2() {} diff --git a/tests/run-make/pgo-indirect-call-promotion/interesting.rs b/tests/run-make/pgo-indirect-call-promotion/interesting.rs index 4fd096d626de..398017f9611b 100644 --- a/tests/run-make/pgo-indirect-call-promotion/interesting.rs +++ b/tests/run-make/pgo-indirect-call-promotion/interesting.rs @@ -1,5 +1,5 @@ -#![crate_name="interesting"] -#![crate_type="rlib"] +#![crate_name = "interesting"] +#![crate_type = "rlib"] extern crate opaque; @@ -15,7 +15,6 @@ pub fn function_called_never() { #[no_mangle] pub fn call_a_bunch_of_functions(fns: &[fn()]) { - // Indirect call promotion transforms the below into something like // // for f in fns { @@ -33,13 +32,11 @@ pub fn call_a_bunch_of_functions(fns: &[fn()]) { } } - pub trait Foo { fn foo(&self); } impl Foo for u32 { - #[no_mangle] fn foo(&self) { opaque::opaque_f2(); @@ -48,7 +45,6 @@ impl Foo for u32 { #[no_mangle] pub fn call_a_bunch_of_trait_methods(trait_objects: &[&dyn Foo]) { - // Same as above, just with vtables in between for x in trait_objects { x.foo(); diff --git a/tests/run-make/pgo-indirect-call-promotion/main.rs b/tests/run-make/pgo-indirect-call-promotion/main.rs index 27181f30710b..604f1f748737 100644 --- a/tests/run-make/pgo-indirect-call-promotion/main.rs +++ b/tests/run-make/pgo-indirect-call-promotion/main.rs @@ -2,9 +2,8 @@ extern crate interesting; fn main() { // function pointer case - let fns: Vec<_> = std::iter::repeat(interesting::function_called_always as fn()) - .take(1000) - .collect(); + let fns: Vec<_> = + std::iter::repeat(interesting::function_called_always as fn()).take(1000).collect(); interesting::call_a_bunch_of_functions(&fns[..]); // Trait object case diff --git a/tests/run-make/pgo-indirect-call-promotion/opaque.rs b/tests/run-make/pgo-indirect-call-promotion/opaque.rs index 9628d711c505..d7b2e810bed1 100644 --- a/tests/run-make/pgo-indirect-call-promotion/opaque.rs +++ b/tests/run-make/pgo-indirect-call-promotion/opaque.rs @@ -1,5 +1,5 @@ -#![crate_name="opaque"] -#![crate_type="rlib"] +#![crate_name = "opaque"] +#![crate_type = "rlib"] #[no_mangle] pub fn opaque_f1() {} diff --git a/tests/run-make/pgo-use/main.rs b/tests/run-make/pgo-use/main.rs index eb9192c87e6f..6150cff4d63a 100644 --- a/tests/run-make/pgo-use/main.rs +++ b/tests/run-make/pgo-use/main.rs @@ -11,7 +11,7 @@ pub fn hot_function(c: u8) { fn main() { let arg = std::env::args().skip(1).next().unwrap(); - for i in 0 .. 1000_000 { + for i in 0..1000_000 { let some_value = arg.as_bytes()[i % arg.len()]; if some_value == b'!' { // This branch is never taken at runtime diff --git a/tests/run-make/pointer-auth-link-with-c/test.rs b/tests/run-make/pointer-auth-link-with-c/test.rs index 615ad0aeb3d0..1a3be80e898b 100644 --- a/tests/run-make/pointer-auth-link-with-c/test.rs +++ b/tests/run-make/pointer-auth-link-with-c/test.rs @@ -4,5 +4,7 @@ extern "C" { } fn main() { - unsafe {foo();} + unsafe { + foo(); + } } diff --git a/tests/run-make/pretty-print-to-file/input.rs b/tests/run-make/pretty-print-to-file/input.rs index aa828155b205..ce23804e4307 100644 --- a/tests/run-make/pretty-print-to-file/input.rs +++ b/tests/run-make/pretty-print-to-file/input.rs @@ -1,5 +1,5 @@ -#[crate_type="lib"] +#[crate_type = "lib"] -pub fn -foo() -> i32 -{ 45 } +pub fn foo() -> i32 { + 45 +} diff --git a/tests/run-make/print-check-cfg/rmake.rs b/tests/run-make/print-check-cfg/rmake.rs index 554884b7d579..f7f5fcf2340b 100644 --- a/tests/run-make/print-check-cfg/rmake.rs +++ b/tests/run-make/print-check-cfg/rmake.rs @@ -40,19 +40,21 @@ fn main() { /*contains*/ &["feature", "feature=\"\"", "feature=\"test\"", "feature=\"lol\""], ); check( - /*args*/ &[ + /*args*/ + &[ r#"--check-cfg=cfg(feature, values(any()))"#, - r#"--check-cfg=cfg(feature, values("tmp"))"# + r#"--check-cfg=cfg(feature, values("tmp"))"#, ], /*has_any*/ false, /*has_any_any*/ false, /*contains*/ &["unix", "miri", "feature=any()"], ); check( - /*args*/ &[ + /*args*/ + &[ r#"--check-cfg=cfg(has_foo, has_bar)"#, r#"--check-cfg=cfg(feature, values("tmp"))"#, - r#"--check-cfg=cfg(feature, values("tmp"))"# + r#"--check-cfg=cfg(feature, values("tmp"))"#, ], /*has_any*/ false, /*has_any_any*/ false, diff --git a/tests/run-make/proc-macro-init-order/b.rs b/tests/run-make/proc-macro-init-order/b.rs index 355d2b165274..067f47c1b7a1 100644 --- a/tests/run-make/proc-macro-init-order/b.rs +++ b/tests/run-make/proc-macro-init-order/b.rs @@ -1,2 +1,3 @@ #![crate_type = "lib"] -#[macro_use] extern crate a; +#[macro_use] +extern crate a; diff --git a/tests/run-make/proc-macro-init-order/c.rs b/tests/run-make/proc-macro-init-order/c.rs index b9c2155728cb..505f8470338e 100644 --- a/tests/run-make/proc-macro-init-order/c.rs +++ b/tests/run-make/proc-macro-init-order/c.rs @@ -1,3 +1,3 @@ #![crate_type = "staticlib"] -extern crate b; extern crate a; +extern crate b; diff --git a/tests/run-make/prune-link-args/empty.rs b/tests/run-make/prune-link-args/empty.rs index 45590d86ba6c..f328e4d9d04c 100644 --- a/tests/run-make/prune-link-args/empty.rs +++ b/tests/run-make/prune-link-args/empty.rs @@ -1 +1 @@ -fn main() { } +fn main() {} diff --git a/tests/run-make/raw-dylib-alt-calling-convention/driver.rs b/tests/run-make/raw-dylib-alt-calling-convention/driver.rs index b7f372c6b2b2..918e013af6ef 100644 --- a/tests/run-make/raw-dylib-alt-calling-convention/driver.rs +++ b/tests/run-make/raw-dylib-alt-calling-convention/driver.rs @@ -2,7 +2,6 @@ extern crate raw_dylib_alt_calling_convention_test; fn main() { raw_dylib_alt_calling_convention_test::library_function( - std::env::args().skip(1).next().map_or( - false, - |s| std::str::FromStr::from_str(&s).unwrap())); + std::env::args().skip(1).next().map_or(false, |s| std::str::FromStr::from_str(&s).unwrap()), + ); } diff --git a/tests/run-make/raw-dylib-c/lib.rs b/tests/run-make/raw-dylib-c/lib.rs index f17125f308c2..ebb08a0ba9e9 100644 --- a/tests/run-make/raw-dylib-c/lib.rs +++ b/tests/run-make/raw-dylib-c/lib.rs @@ -1,16 +1,16 @@ #[link(name = "extern_1.dll", kind = "raw-dylib", modifiers = "+verbatim")] -extern { +extern "C" { fn extern_fn_1(); } #[link(name = "extern_2", kind = "raw-dylib")] -extern { +extern "C" { fn extern_fn_3(); } pub fn library_function() { #[link(name = "extern_1", kind = "raw-dylib")] - extern { + extern "C" { fn extern_fn_2(); fn print_extern_variable(); static mut extern_variable: i32; diff --git a/tests/run-make/raw-dylib-cross-compilation/lib.rs b/tests/run-make/raw-dylib-cross-compilation/lib.rs index 3338ac0a0b50..d3b7fd23ca82 100644 --- a/tests/run-make/raw-dylib-cross-compilation/lib.rs +++ b/tests/run-make/raw-dylib-cross-compilation/lib.rs @@ -8,7 +8,7 @@ trait Sized {} #[link(name = "extern_1", kind = "raw-dylib")] -extern { +extern "C" { fn extern_fn(); } diff --git a/tests/run-make/raw-dylib-custom-dlltool/lib.rs b/tests/run-make/raw-dylib-custom-dlltool/lib.rs index 2f3f497a00de..db1d64505038 100644 --- a/tests/run-make/raw-dylib-custom-dlltool/lib.rs +++ b/tests/run-make/raw-dylib-custom-dlltool/lib.rs @@ -1,5 +1,5 @@ #[link(name = "extern_1", kind = "raw-dylib")] -extern { +extern "C" { fn extern_fn_1(); } diff --git a/tests/run-make/raw-dylib-import-name-type/driver.rs b/tests/run-make/raw-dylib-import-name-type/driver.rs index 6c1c212f187b..b235fef9e308 100644 --- a/tests/run-make/raw-dylib-import-name-type/driver.rs +++ b/tests/run-make/raw-dylib-import-name-type/driver.rs @@ -76,7 +76,7 @@ extern "vectorcall" { } #[link(name = "extern", kind = "raw-dylib")] -extern { +extern "C" { fn print_extern_variable_undecorated(); fn print_extern_variable_noprefix(); fn print_extern_variable_decorated(); diff --git a/tests/run-make/raw-dylib-inline-cross-dylib/driver.rs b/tests/run-make/raw-dylib-inline-cross-dylib/driver.rs index 0c3125be6f59..53f3fcb2f880 100644 --- a/tests/run-make/raw-dylib-inline-cross-dylib/driver.rs +++ b/tests/run-make/raw-dylib-inline-cross-dylib/driver.rs @@ -2,7 +2,7 @@ extern crate raw_dylib_test; extern crate raw_dylib_test_wrapper; #[link(name = "extern_2", kind = "raw-dylib")] -extern { +extern "C" { fn extern_fn_2(); } diff --git a/tests/run-make/raw-dylib-inline-cross-dylib/lib.rs b/tests/run-make/raw-dylib-inline-cross-dylib/lib.rs index 4877cb80aea5..07e289a21d97 100644 --- a/tests/run-make/raw-dylib-inline-cross-dylib/lib.rs +++ b/tests/run-make/raw-dylib-inline-cross-dylib/lib.rs @@ -1,5 +1,5 @@ #[link(name = "extern_1", kind = "raw-dylib")] -extern { +extern "C" { fn extern_fn_1(); fn extern_fn_2(); } diff --git a/tests/run-make/raw-dylib-link-ordinal/lib.rs b/tests/run-make/raw-dylib-link-ordinal/lib.rs index 1bbb45bbc772..69f0a5bca46f 100644 --- a/tests/run-make/raw-dylib-link-ordinal/lib.rs +++ b/tests/run-make/raw-dylib-link-ordinal/lib.rs @@ -1,5 +1,5 @@ #[link(name = "exporter", kind = "raw-dylib")] -extern { +extern "C" { #[link_ordinal(13)] fn imported_function(); #[link_ordinal(5)] diff --git a/tests/run-make/reproducible-build-2/linker.rs b/tests/run-make/reproducible-build-2/linker.rs index 998d1f328596..ec238b2fa562 100644 --- a/tests/run-make/reproducible-build-2/linker.rs +++ b/tests/run-make/reproducible-build-2/linker.rs @@ -1,7 +1,7 @@ use std::env; -use std::path::Path; use std::fs::File; use std::io::{Read, Write}; +use std::path::Path; fn main() { let mut dst = env::current_exe().unwrap(); @@ -19,7 +19,7 @@ fn main() { if !path.is_file() { out.push_str(&arg); out.push_str("\n"); - continue + continue; } let mut contents = Vec::new(); diff --git a/tests/run-make/reproducible-build-2/reproducible-build-aux.rs b/tests/run-make/reproducible-build-2/reproducible-build-aux.rs index 8105b3d2bda3..9708b2d15b42 100644 --- a/tests/run-make/reproducible-build-2/reproducible-build-aux.rs +++ b/tests/run-make/reproducible-build-2/reproducible-build-aux.rs @@ -1,4 +1,4 @@ -#![crate_type="lib"] +#![crate_type = "lib"] pub static STATIC: i32 = 1234; @@ -18,7 +18,7 @@ impl Drop for Struct { pub enum Enum { Variant1, Variant2(u32), - Variant3 { x: u32 } + Variant3 { x: u32 }, } pub struct TupleStruct(pub i8, pub i16, pub i32, pub i64); diff --git a/tests/run-make/reproducible-build-2/reproducible-build.rs b/tests/run-make/reproducible-build-2/reproducible-build.rs index a6c04774c869..849b3d510af8 100644 --- a/tests/run-make/reproducible-build-2/reproducible-build.rs +++ b/tests/run-make/reproducible-build-2/reproducible-build.rs @@ -18,6 +18,8 @@ // - Trait object shims // - Fn Pointer shims +// ignore-tidy-linelength + #![allow(dead_code, warnings)] extern crate reproducible_build_aux; @@ -40,7 +42,7 @@ impl Drop for Struct { pub enum Enum { Variant1, Variant2(u32), - Variant3 { x: u32 } + Variant3 { x: u32 }, } struct TupleStruct(i8, i16, i32, i64); @@ -67,19 +69,14 @@ fn main() { generic_fn::>(); generic_fn::, reproducible_build_aux::Struct>(); - let dropped = Struct { - x: "", - y: 'a', - }; + let dropped = Struct { x: "", y: 'a' }; let _ = Enum::Variant1; let _ = Enum::Variant2(0); let _ = Enum::Variant3 { x: 0 }; let _ = TupleStruct(1, 2, 3, 4); - let closure = |x| { - x + 1i32 - }; + let closure = |x| x + 1i32; fn inner i32>(f: F) -> i32 { f(STATIC) @@ -94,13 +91,13 @@ fn main() { f(0); } - with_fn_once_adapter(|_:i32| { }); + with_fn_once_adapter(|_: i32| {}); reproducible_build_aux::regular_fn(STATIC); reproducible_build_aux::generic_fn::(); reproducible_build_aux::generic_fn::>(); - reproducible_build_aux::generic_fn::, - reproducible_build_aux::Struct>(); + reproducible_build_aux::generic_fn::, reproducible_build_aux::Struct>( + ); let _ = reproducible_build_aux::Enum::Variant1; let _ = reproducible_build_aux::Enum::Variant2(0); diff --git a/tests/run-make/reproducible-build/linker.rs b/tests/run-make/reproducible-build/linker.rs index 3dda6f190e44..ab3b4049cc32 100644 --- a/tests/run-make/reproducible-build/linker.rs +++ b/tests/run-make/reproducible-build/linker.rs @@ -1,7 +1,7 @@ use std::env; -use std::path::Path; use std::fs::File; use std::io::{Read, Write}; +use std::path::Path; fn main() { let mut dst = env::current_exe().unwrap(); @@ -19,7 +19,7 @@ fn main() { if !path.is_file() { out.push_str(&arg); out.push_str("\n"); - continue + continue; } let mut contents = Vec::new(); diff --git a/tests/run-make/reproducible-build/reproducible-build-aux.rs b/tests/run-make/reproducible-build/reproducible-build-aux.rs index 8105b3d2bda3..9708b2d15b42 100644 --- a/tests/run-make/reproducible-build/reproducible-build-aux.rs +++ b/tests/run-make/reproducible-build/reproducible-build-aux.rs @@ -1,4 +1,4 @@ -#![crate_type="lib"] +#![crate_type = "lib"] pub static STATIC: i32 = 1234; @@ -18,7 +18,7 @@ impl Drop for Struct { pub enum Enum { Variant1, Variant2(u32), - Variant3 { x: u32 } + Variant3 { x: u32 }, } pub struct TupleStruct(pub i8, pub i16, pub i32, pub i64); diff --git a/tests/run-make/reproducible-build/reproducible-build.rs b/tests/run-make/reproducible-build/reproducible-build.rs index a6c04774c869..849b3d510af8 100644 --- a/tests/run-make/reproducible-build/reproducible-build.rs +++ b/tests/run-make/reproducible-build/reproducible-build.rs @@ -18,6 +18,8 @@ // - Trait object shims // - Fn Pointer shims +// ignore-tidy-linelength + #![allow(dead_code, warnings)] extern crate reproducible_build_aux; @@ -40,7 +42,7 @@ impl Drop for Struct { pub enum Enum { Variant1, Variant2(u32), - Variant3 { x: u32 } + Variant3 { x: u32 }, } struct TupleStruct(i8, i16, i32, i64); @@ -67,19 +69,14 @@ fn main() { generic_fn::>(); generic_fn::, reproducible_build_aux::Struct>(); - let dropped = Struct { - x: "", - y: 'a', - }; + let dropped = Struct { x: "", y: 'a' }; let _ = Enum::Variant1; let _ = Enum::Variant2(0); let _ = Enum::Variant3 { x: 0 }; let _ = TupleStruct(1, 2, 3, 4); - let closure = |x| { - x + 1i32 - }; + let closure = |x| x + 1i32; fn inner i32>(f: F) -> i32 { f(STATIC) @@ -94,13 +91,13 @@ fn main() { f(0); } - with_fn_once_adapter(|_:i32| { }); + with_fn_once_adapter(|_: i32| {}); reproducible_build_aux::regular_fn(STATIC); reproducible_build_aux::generic_fn::(); reproducible_build_aux::generic_fn::>(); - reproducible_build_aux::generic_fn::, - reproducible_build_aux::Struct>(); + reproducible_build_aux::generic_fn::, reproducible_build_aux::Struct>( + ); let _ = reproducible_build_aux::Enum::Variant1; let _ = reproducible_build_aux::Enum::Variant2(0); diff --git a/tests/run-make/reset-codegen-1/foo.rs b/tests/run-make/reset-codegen-1/foo.rs index 45590d86ba6c..f328e4d9d04c 100644 --- a/tests/run-make/reset-codegen-1/foo.rs +++ b/tests/run-make/reset-codegen-1/foo.rs @@ -1 +1 @@ -fn main() { } +fn main() {} diff --git a/tests/run-make/resolve-rename/bar.rs b/tests/run-make/resolve-rename/bar.rs index 4a09ce355e68..706ff4535202 100644 --- a/tests/run-make/resolve-rename/bar.rs +++ b/tests/run-make/resolve-rename/bar.rs @@ -2,4 +2,6 @@ extern crate foo; -pub fn bar() { foo::foo() } +pub fn bar() { + foo::foo() +} diff --git a/tests/run-make/resolve-rename/baz.rs b/tests/run-make/resolve-rename/baz.rs index 9176073ef97f..74822fb4e1ef 100644 --- a/tests/run-make/resolve-rename/baz.rs +++ b/tests/run-make/resolve-rename/baz.rs @@ -2,4 +2,6 @@ extern crate bar; -pub fn baz() { bar::bar() } +pub fn baz() { + bar::bar() +} diff --git a/tests/run-make/return-non-c-like-enum-from-c/nonclike.rs b/tests/run-make/return-non-c-like-enum-from-c/nonclike.rs index ea22a2a56e09..1cd6360bdd23 100644 --- a/tests/run-make/return-non-c-like-enum-from-c/nonclike.rs +++ b/tests/run-make/return-non-c-like-enum-from-c/nonclike.rs @@ -4,7 +4,7 @@ pub enum TT { BB, } -#[repr(C,u8)] +#[repr(C, u8)] pub enum T { A(u64), B, diff --git a/tests/run-make/return-non-c-like-enum/nonclike.rs b/tests/run-make/return-non-c-like-enum/nonclike.rs index de529cf641ab..32884d8d690b 100644 --- a/tests/run-make/return-non-c-like-enum/nonclike.rs +++ b/tests/run-make/return-non-c-like-enum/nonclike.rs @@ -9,7 +9,7 @@ pub extern "C" fn tt_new(a: u64, b: u64) -> TT { TT::AA(a, b) } -#[repr(C,u8)] +#[repr(C, u8)] pub enum T { A(u64), B, diff --git a/tests/run-make/rlib-chain/m2.rs b/tests/run-make/rlib-chain/m2.rs index eba12fe12188..9430e1d156c0 100644 --- a/tests/run-make/rlib-chain/m2.rs +++ b/tests/run-make/rlib-chain/m2.rs @@ -1,4 +1,6 @@ #![crate_type = "rlib"] extern crate m1; -pub fn m2() { m1::m1() } +pub fn m2() { + m1::m1() +} diff --git a/tests/run-make/rlib-chain/m3.rs b/tests/run-make/rlib-chain/m3.rs index ade191db49c8..b45712e55e16 100644 --- a/tests/run-make/rlib-chain/m3.rs +++ b/tests/run-make/rlib-chain/m3.rs @@ -1,4 +1,6 @@ #![crate_type = "rlib"] extern crate m2; -pub fn m3() { m2::m2() } +pub fn m3() { + m2::m2() +} diff --git a/tests/run-make/rlib-chain/m4.rs b/tests/run-make/rlib-chain/m4.rs index fa8ec6079dea..c732512af9fc 100644 --- a/tests/run-make/rlib-chain/m4.rs +++ b/tests/run-make/rlib-chain/m4.rs @@ -1,3 +1,5 @@ extern crate m3; -fn main() { m3::m3() } +fn main() { + m3::m3() +} diff --git a/tests/run-make/rustdoc-error-lines/input.rs b/tests/run-make/rustdoc-error-lines/input.rs index b4db182e85f2..1ca2efc0dd59 100644 --- a/tests/run-make/rustdoc-error-lines/input.rs +++ b/tests/run-make/rustdoc-error-lines/input.rs @@ -6,9 +6,7 @@ /// #![feature(bool_to_option)] /// let x: char = 1; /// ``` -pub fn foo() { - -} +pub fn foo() {} /// Add some text around the test... /// diff --git a/tests/run-make/rustdoc-error-lines/rmake.rs b/tests/run-make/rustdoc-error-lines/rmake.rs index 31536c78dd46..db6e28e4feb7 100644 --- a/tests/run-make/rustdoc-error-lines/rmake.rs +++ b/tests/run-make/rustdoc-error-lines/rmake.rs @@ -11,10 +11,10 @@ fn main() { let should_contain = &[ "input.rs - foo (line 5)", "input.rs:7:15", - "input.rs - bar (line 15)", - "input.rs:17:15", - "input.rs - bar (line 24)", - "input.rs:26:15", + "input.rs - bar (line 13)", + "input.rs:15:15", + "input.rs - bar (line 22)", + "input.rs:24:15", ]; for text in should_contain { assert!(output.contains(text), "output doesn't contains {:?}", text); diff --git a/tests/run-make/rustdoc-map-file/foo.rs b/tests/run-make/rustdoc-map-file/foo.rs index e12b9d2292c5..f98543f9b052 100644 --- a/tests/run-make/rustdoc-map-file/foo.rs +++ b/tests/run-make/rustdoc-map-file/foo.rs @@ -1,5 +1,5 @@ -pub use private::Quz; pub use hidden::Bar; +pub use private::Quz; mod private { pub struct Quz; @@ -12,5 +12,5 @@ pub mod hidden { #[macro_export] macro_rules! foo { - () => {} + () => {}; } diff --git a/tests/run-make/rustdoc-scrape-examples-invalid-expr/src/lib.rs b/tests/run-make/rustdoc-scrape-examples-invalid-expr/src/lib.rs index c30c99dec603..ba8ee66fc78b 100644 --- a/tests/run-make/rustdoc-scrape-examples-invalid-expr/src/lib.rs +++ b/tests/run-make/rustdoc-scrape-examples-invalid-expr/src/lib.rs @@ -1 +1,3 @@ -pub const fn f() -> usize { 5 } +pub const fn f() -> usize { + 5 +} diff --git a/tests/run-make/rustdoc-scrape-examples-macros/examples/ex.rs b/tests/run-make/rustdoc-scrape-examples-macros/examples/ex.rs index 4d8c8b30e311..70a9a187f07e 100644 --- a/tests/run-make/rustdoc-scrape-examples-macros/examples/ex.rs +++ b/tests/run-make/rustdoc-scrape-examples-macros/examples/ex.rs @@ -8,20 +8,20 @@ a_proc_macro!(); // no #[an_attr_macro] fn a() { - f(); // no + f(); // no } #[an_attr_macro(with_span)] fn b() { - f(); // yes + f(); // yes } fn c() { - a_rules_macro!(f()); // yes + a_rules_macro!(f()); // yes } fn d() { - a_rules_macro!(()); // no + a_rules_macro!(()); // no } -fn main(){} +fn main() {} diff --git a/tests/run-make/rustdoc-scrape-examples-macros/src/lib.rs b/tests/run-make/rustdoc-scrape-examples-macros/src/lib.rs index d8658a0f2557..26ab1390a49a 100644 --- a/tests/run-make/rustdoc-scrape-examples-macros/src/lib.rs +++ b/tests/run-make/rustdoc-scrape-examples-macros/src/lib.rs @@ -8,5 +8,7 @@ pub fn f() {} #[macro_export] macro_rules! a_rules_macro { - ($e:expr) => { ($e, foobar::f()); } + ($e:expr) => { + ($e, foobar::f()); + }; } diff --git a/tests/run-make/rustdoc-scrape-examples-test/examples/ex.rs b/tests/run-make/rustdoc-scrape-examples-test/examples/ex.rs index d1a9a74e7825..c37b8dd48853 100644 --- a/tests/run-make/rustdoc-scrape-examples-test/examples/ex.rs +++ b/tests/run-make/rustdoc-scrape-examples-test/examples/ex.rs @@ -2,5 +2,5 @@ fn main() {} #[test] fn a_test() { - foobar::ok(); + foobar::ok(); } diff --git a/tests/run-make/rustdoc-scrape-examples-whitespace/examples/ex.rs b/tests/run-make/rustdoc-scrape-examples-whitespace/examples/ex.rs index 44ff689dfc87..09df782a1367 100644 --- a/tests/run-make/rustdoc-scrape-examples-whitespace/examples/ex.rs +++ b/tests/run-make/rustdoc-scrape-examples-whitespace/examples/ex.rs @@ -1,8 +1,10 @@ struct Foo; impl Foo { - fn bar() { foobar::ok(); } + fn bar() { + foobar::ok(); + } } fn main() { - Foo::bar(); + Foo::bar(); } diff --git a/tests/run-make/share-generics-dylib/linked_leaf.rs b/tests/run-make/share-generics-dylib/linked_leaf.rs index e510dad691c5..200a732d588d 100644 --- a/tests/run-make/share-generics-dylib/linked_leaf.rs +++ b/tests/run-make/share-generics-dylib/linked_leaf.rs @@ -1,11 +1,12 @@ +// Blank line after this one because it must come before `instance_user_{a,b}_rlib`. extern crate instance_user_dylib; + extern crate instance_user_a_rlib; extern crate instance_user_b_rlib; use std::cell::Cell; fn main() { - instance_user_a_rlib::foo(); instance_user_b_rlib::foo(); instance_user_dylib::foo(); diff --git a/tests/run-make/split-debuginfo/main.rs b/tests/run-make/split-debuginfo/main.rs index 21fa16e40a4a..e815672fa819 100644 --- a/tests/run-make/split-debuginfo/main.rs +++ b/tests/run-make/split-debuginfo/main.rs @@ -1,6 +1,6 @@ extern crate bar; -use bar::{Bar, make_bar}; +use bar::{make_bar, Bar}; fn main() { let b = make_bar(3); diff --git a/tests/run-make/stable-symbol-names/stable-symbol-names1.rs b/tests/run-make/stable-symbol-names/stable-symbol-names1.rs index b85a428278cd..ff20d4306dd7 100644 --- a/tests/run-make/stable-symbol-names/stable-symbol-names1.rs +++ b/tests/run-make/stable-symbol-names/stable-symbol-names1.rs @@ -1,31 +1,31 @@ -#![crate_type="rlib"] +#![crate_type = "rlib"] pub trait Foo { - fn generic_method(); + fn generic_method(); } pub struct Bar; impl Foo for Bar { - fn generic_method() {} + fn generic_method() {} } pub fn mono_function() { - Bar::generic_method::(); + Bar::generic_method::(); } pub fn mono_function_lifetime<'a>(x: &'a u64) -> u64 { - *x + *x } pub fn generic_function(t: T) -> T { - t + t } pub fn user() { - generic_function(0u32); - generic_function("abc"); - let x = 2u64; - generic_function(&x); - let _ = mono_function_lifetime(&x); + generic_function(0u32); + generic_function("abc"); + let x = 2u64; + generic_function(&x); + let _ = mono_function_lifetime(&x); } diff --git a/tests/run-make/stable-symbol-names/stable-symbol-names2.rs b/tests/run-make/stable-symbol-names/stable-symbol-names2.rs index 33df9d6c6898..6a50c2a4f573 100644 --- a/tests/run-make/stable-symbol-names/stable-symbol-names2.rs +++ b/tests/run-make/stable-symbol-names/stable-symbol-names2.rs @@ -1,17 +1,17 @@ -#![crate_type="rlib"] +#![crate_type = "rlib"] extern crate stable_symbol_names1; pub fn user() { - stable_symbol_names1::generic_function(1u32); - stable_symbol_names1::generic_function("def"); - let x = 2u64; - stable_symbol_names1::generic_function(&x); - stable_symbol_names1::mono_function(); - stable_symbol_names1::mono_function_lifetime(&0); + stable_symbol_names1::generic_function(1u32); + stable_symbol_names1::generic_function("def"); + let x = 2u64; + stable_symbol_names1::generic_function(&x); + stable_symbol_names1::mono_function(); + stable_symbol_names1::mono_function_lifetime(&0); } pub fn trait_impl_test_function() { - use stable_symbol_names1::*; - Bar::generic_method::(); + use stable_symbol_names1::*; + Bar::generic_method::(); } diff --git a/tests/run-make/static-unwinding/lib.rs b/tests/run-make/static-unwinding/lib.rs index 3fb1117a1105..975de43cfd8d 100644 --- a/tests/run-make/static-unwinding/lib.rs +++ b/tests/run-make/static-unwinding/lib.rs @@ -5,11 +5,16 @@ pub static mut statik: isize = 0; struct A; impl Drop for A { fn drop(&mut self) { - unsafe { statik = 1; } + unsafe { + statik = 1; + } } } -pub fn callback(f: F) where F: FnOnce() { +pub fn callback(f: F) +where + F: FnOnce(), +{ let _a = A; f(); } diff --git a/tests/run-make/static-unwinding/main.rs b/tests/run-make/static-unwinding/main.rs index 0c66ea1aa07f..ceb0a24804c5 100644 --- a/tests/run-make/static-unwinding/main.rs +++ b/tests/run-make/static-unwinding/main.rs @@ -7,15 +7,19 @@ static mut statik: isize = 0; struct A; impl Drop for A { fn drop(&mut self) { - unsafe { statik = 1; } + unsafe { + statik = 1; + } } } fn main() { - thread::spawn(move|| { + thread::spawn(move || { let _a = A; lib::callback(|| panic!()); - }).join().unwrap_err(); + }) + .join() + .unwrap_err(); unsafe { assert_eq!(lib::statik, 1); diff --git a/tests/run-make/suspicious-library/bar.rs b/tests/run-make/suspicious-library/bar.rs index 550c94cd0c60..030693a694f9 100644 --- a/tests/run-make/suspicious-library/bar.rs +++ b/tests/run-make/suspicious-library/bar.rs @@ -1,3 +1,5 @@ extern crate foo; -fn main() { foo::foo() } +fn main() { + foo::foo() +} diff --git a/tests/run-make/symbol-mangling-hashed/a_dylib.rs b/tests/run-make/symbol-mangling-hashed/a_dylib.rs index 8aec8fd82a53..49d65b72cacc 100644 --- a/tests/run-make/symbol-mangling-hashed/a_dylib.rs +++ b/tests/run-make/symbol-mangling-hashed/a_dylib.rs @@ -1,4 +1,4 @@ -#![crate_type="dylib"] +#![crate_type = "dylib"] pub fn hello() { println!("hello dylib"); } diff --git a/tests/run-make/symbol-mangling-hashed/a_rlib.rs b/tests/run-make/symbol-mangling-hashed/a_rlib.rs index 873c86c5d0b4..71e44ccc2007 100644 --- a/tests/run-make/symbol-mangling-hashed/a_rlib.rs +++ b/tests/run-make/symbol-mangling-hashed/a_rlib.rs @@ -1,4 +1,4 @@ -#![crate_type="rlib"] +#![crate_type = "rlib"] pub fn hello() { println!("hello rlib"); diff --git a/tests/run-make/symbol-mangling-hashed/b_bin.rs b/tests/run-make/symbol-mangling-hashed/b_bin.rs index bcc53c37e122..8ee7fecda62a 100644 --- a/tests/run-make/symbol-mangling-hashed/b_bin.rs +++ b/tests/run-make/symbol-mangling-hashed/b_bin.rs @@ -1,5 +1,5 @@ -extern crate a_rlib; extern crate a_dylib; +extern crate a_rlib; extern crate b_dylib; fn main() { diff --git a/tests/run-make/symbol-mangling-hashed/b_dylib.rs b/tests/run-make/symbol-mangling-hashed/b_dylib.rs index c26a04b39ec3..3252c9c75c2a 100644 --- a/tests/run-make/symbol-mangling-hashed/b_dylib.rs +++ b/tests/run-make/symbol-mangling-hashed/b_dylib.rs @@ -1,7 +1,7 @@ -#![crate_type="dylib"] +#![crate_type = "dylib"] -extern crate a_rlib; extern crate a_dylib; +extern crate a_rlib; pub fn hello() { a_rlib::hello(); diff --git a/tests/run-make/symbol-visibility/a_cdylib.rs b/tests/run-make/symbol-visibility/a_cdylib.rs index d4fbff85bfe6..cc034c8a31e5 100644 --- a/tests/run-make/symbol-visibility/a_cdylib.rs +++ b/tests/run-make/symbol-visibility/a_cdylib.rs @@ -1,4 +1,4 @@ -#![crate_type="cdylib"] +#![crate_type = "cdylib"] extern crate an_rlib; diff --git a/tests/run-make/symbol-visibility/a_rust_dylib.rs b/tests/run-make/symbol-visibility/a_rust_dylib.rs index a47df0ab7eed..22c0482343ee 100644 --- a/tests/run-make/symbol-visibility/a_rust_dylib.rs +++ b/tests/run-make/symbol-visibility/a_rust_dylib.rs @@ -1,4 +1,4 @@ -#![crate_type="dylib"] +#![crate_type = "dylib"] extern crate an_rlib; @@ -12,4 +12,6 @@ pub extern "C" fn public_c_function_from_rust_dylib() { } // This should be exported if -Zshare-generics=yes -pub fn public_generic_function_from_rust_dylib(x: T) -> T { x } +pub fn public_generic_function_from_rust_dylib(x: T) -> T { + x +} diff --git a/tests/run-make/symbol-visibility/an_executable.rs b/tests/run-make/symbol-visibility/an_executable.rs index 3f5e125ad193..945873bd9ce1 100644 --- a/tests/run-make/symbol-visibility/an_executable.rs +++ b/tests/run-make/symbol-visibility/an_executable.rs @@ -1,4 +1,4 @@ -#![crate_type="bin"] +#![crate_type = "bin"] extern crate an_rlib; diff --git a/tests/run-make/symbol-visibility/an_rlib.rs b/tests/run-make/symbol-visibility/an_rlib.rs index 3696422b11e9..b291dbe571cd 100644 --- a/tests/run-make/symbol-visibility/an_rlib.rs +++ b/tests/run-make/symbol-visibility/an_rlib.rs @@ -1,4 +1,4 @@ -#![crate_type="rlib"] +#![crate_type = "rlib"] pub fn public_rust_function_from_rlib() {} diff --git a/tests/run-make/symlinked-extern/bar.rs b/tests/run-make/symlinked-extern/bar.rs index cd9c959d5e6a..895582d5f13b 100644 --- a/tests/run-make/symlinked-extern/bar.rs +++ b/tests/run-make/symlinked-extern/bar.rs @@ -2,5 +2,4 @@ extern crate foo; -pub fn bar(_s: foo::S) { -} +pub fn bar(_s: foo::S) {} diff --git a/tests/run-make/symlinked-extern/foo.rs b/tests/run-make/symlinked-extern/foo.rs index c00700b8cf83..4dcf6e135f60 100644 --- a/tests/run-make/symlinked-extern/foo.rs +++ b/tests/run-make/symlinked-extern/foo.rs @@ -2,4 +2,6 @@ pub struct S; -pub fn foo() -> S { S } +pub fn foo() -> S { + S +} diff --git a/tests/run-make/target-cpu-native/foo.rs b/tests/run-make/target-cpu-native/foo.rs index f79c691f0853..f328e4d9d04c 100644 --- a/tests/run-make/target-cpu-native/foo.rs +++ b/tests/run-make/target-cpu-native/foo.rs @@ -1,2 +1 @@ -fn main() { -} +fn main() {} diff --git a/tests/run-make/test-harness/test-ignore-cfg.rs b/tests/run-make/test-harness/test-ignore-cfg.rs index 31ef131f2ad7..c6bd7680bd5c 100644 --- a/tests/run-make/test-harness/test-ignore-cfg.rs +++ b/tests/run-make/test-harness/test-ignore-cfg.rs @@ -1,9 +1,7 @@ #[test] #[cfg_attr(ignorecfg, ignore)] -fn shouldignore() { -} +fn shouldignore() {} #[test] #[cfg_attr(noignorecfg, ignore)] -fn shouldnotignore() { -} +fn shouldnotignore() {} diff --git a/tests/run-make/type-mismatch-same-crate-name/crateA.rs b/tests/run-make/type-mismatch-same-crate-name/crateA.rs index 4871c8c2e9cc..0dccfbb4bed6 100644 --- a/tests/run-make/type-mismatch-same-crate-name/crateA.rs +++ b/tests/run-make/type-mismatch-same-crate-name/crateA.rs @@ -3,7 +3,7 @@ mod foo { } mod bar { - pub trait Bar{} + pub trait Bar {} pub fn bar() -> Box { unimplemented!() @@ -12,5 +12,5 @@ mod bar { // This makes the publicly accessible path // differ from the internal one. +pub use bar::{bar, Bar}; pub use foo::Foo; -pub use bar::{Bar, bar}; diff --git a/tests/run-make/type-mismatch-same-crate-name/crateB.rs b/tests/run-make/type-mismatch-same-crate-name/crateB.rs index 24fcc7cadc10..e946c0ecac76 100644 --- a/tests/run-make/type-mismatch-same-crate-name/crateB.rs +++ b/tests/run-make/type-mismatch-same-crate-name/crateB.rs @@ -1,4 +1,4 @@ extern crate crateA; -pub fn try_foo(x: crateA::Foo){} -pub fn try_bar(x: Box){} +pub fn try_foo(x: crateA::Foo) {} +pub fn try_bar(x: Box) {} diff --git a/tests/run-make/use-suggestions-rust-2018/use-suggestions.rs b/tests/run-make/use-suggestions-rust-2018/use-suggestions.rs index d262d6f9877c..1bb987d0ebdf 100644 --- a/tests/run-make/use-suggestions-rust-2018/use-suggestions.rs +++ b/tests/run-make/use-suggestions-rust-2018/use-suggestions.rs @@ -1,3 +1,3 @@ fn main() { - let x = Baz{}; + let x = Baz {}; } diff --git a/tests/run-make/wasm-custom-section/bar.rs b/tests/run-make/wasm-custom-section/bar.rs index c95f3e1438b7..1e94e99ff086 100644 --- a/tests/run-make/wasm-custom-section/bar.rs +++ b/tests/run-make/wasm-custom-section/bar.rs @@ -10,4 +10,4 @@ pub static A: [u8; 2] = [5, 6]; pub static B: [u8; 2] = [7, 8]; #[no_mangle] -pub extern fn foo() {} +pub extern "C" fn foo() {} diff --git a/tests/run-make/wasm-custom-sections-opt/foo.rs b/tests/run-make/wasm-custom-sections-opt/foo.rs index 9af7728b7f3a..f521dd937a0e 100644 --- a/tests/run-make/wasm-custom-sections-opt/foo.rs +++ b/tests/run-make/wasm-custom-sections-opt/foo.rs @@ -13,7 +13,7 @@ pub mod another { } #[no_mangle] -pub extern fn foo() { +pub extern "C" fn foo() { // This will import `another::foo` through ThinLTO passes, and it better not // also accidentally import the `FOO` custom section into this module as // well diff --git a/tests/run-make/wasm-exceptions-nostd/src/arena_alloc.rs b/tests/run-make/wasm-exceptions-nostd/src/arena_alloc.rs index 572d253309ce..12f1b4d8d12f 100644 --- a/tests/run-make/wasm-exceptions-nostd/src/arena_alloc.rs +++ b/tests/run-make/wasm-exceptions-nostd/src/arena_alloc.rs @@ -14,9 +14,7 @@ pub struct ArenaAllocator { impl ArenaAllocator { pub const fn new() -> Self { - Self { - arena: UnsafeCell::new(Arena::new()), - } + Self { arena: UnsafeCell::new(Arena::new()) } } } @@ -42,10 +40,7 @@ struct Arena { impl Arena { pub const fn new() -> Self { - Self { - buf: [0x55; ARENA_SIZE], - allocated: 0, - } + Self { buf: [0x55; ARENA_SIZE], allocated: 0 } } pub unsafe fn alloc(&mut self, layout: Layout) -> *mut u8 { diff --git a/tests/run-make/wasm-exceptions-nostd/src/lib.rs b/tests/run-make/wasm-exceptions-nostd/src/lib.rs index 9d336510469c..3ea8797d3a6d 100644 --- a/tests/run-make/wasm-exceptions-nostd/src/lib.rs +++ b/tests/run-make/wasm-exceptions-nostd/src/lib.rs @@ -1,9 +1,7 @@ #![no_std] #![crate_type = "cdylib"] - // Allow a few unstable features because we create a panic // runtime for native wasm exceptions from scratch - #![feature(core_intrinsics)] #![feature(lang_items)] #![feature(link_llvm_intrinsics)] @@ -39,20 +37,24 @@ pub extern "C" fn start() -> usize { let data = 0x1234usize as *mut u8; // Something to recognize unsafe { - core::intrinsics::catch_unwind(|data: *mut u8| { - let _log_on_drop = LogOnDrop; + core::intrinsics::catch_unwind( + |data: *mut u8| { + let _log_on_drop = LogOnDrop; - logging::log_str(&alloc::format!("`r#try` called with ptr {:?}", data)); - let x = [12]; - let _ = x[4]; // should panic + logging::log_str(&alloc::format!("`r#try` called with ptr {:?}", data)); + let x = [12]; + let _ = x[4]; // should panic - logging::log_str("This line should not be visible! :("); - }, data, |data, exception| { - let exception = *Box::from_raw(exception as *mut String); - logging::log_str("Caught something!"); - logging::log_str(&alloc::format!(" data : {:?}", data)); - logging::log_str(&alloc::format!(" exception: {:?}", exception)); - }); + logging::log_str("This line should not be visible! :("); + }, + data, + |data, exception| { + let exception = *Box::from_raw(exception as *mut String); + logging::log_str("Caught something!"); + logging::log_str(&alloc::format!(" data : {:?}", data)); + logging::log_str(&alloc::format!(" exception: {:?}", exception)); + }, + ); } logging::log_str("This program terminates correctly."); diff --git a/tests/run-make/wasm-exceptions-nostd/src/panicking.rs b/tests/run-make/wasm-exceptions-nostd/src/panicking.rs index 4a8923fd43db..52a32f3cd303 100644 --- a/tests/run-make/wasm-exceptions-nostd/src/panicking.rs +++ b/tests/run-make/wasm-exceptions-nostd/src/panicking.rs @@ -17,10 +17,7 @@ fn panic_handler(info: &core::panic::PanicInfo<'_>) -> ! { use alloc::boxed::Box; use alloc::string::ToString; - let msg = info - .message() - .map(|msg| msg.to_string()) - .unwrap_or("(no message)".to_string()); + let msg = info.message().map(|msg| msg.to_string()).unwrap_or("(no message)".to_string()); let exception = Box::new(msg.to_string()); unsafe { let exception_raw = Box::into_raw(exception); diff --git a/tests/run-make/wasm-export-all-symbols/bar.rs b/tests/run-make/wasm-export-all-symbols/bar.rs index ac9c20a57e5a..039291f902e5 100644 --- a/tests/run-make/wasm-export-all-symbols/bar.rs +++ b/tests/run-make/wasm-export-all-symbols/bar.rs @@ -1,7 +1,7 @@ #![crate_type = "rlib"] #[no_mangle] -pub extern fn foo() {} +pub extern "C" fn foo() {} #[no_mangle] pub static FOO: u64 = 42; diff --git a/tests/run-make/wasm-symbols-not-exported/bar.rs b/tests/run-make/wasm-symbols-not-exported/bar.rs index 6ffbd3ec6900..dd4d14416e70 100644 --- a/tests/run-make/wasm-symbols-not-exported/bar.rs +++ b/tests/run-make/wasm-symbols-not-exported/bar.rs @@ -11,15 +11,14 @@ unsafe impl GlobalAlloc for B { 1 as *mut u8 } - unsafe fn dealloc(&self, ptr: *mut u8, x: Layout) { - } + unsafe fn dealloc(&self, ptr: *mut u8, x: Layout) {} } #[global_allocator] static A: B = B; #[no_mangle] -pub extern fn foo(a: u32) -> u32 { +pub extern "C" fn foo(a: u32) -> u32 { assert_eq!(a, 3); a * 2 } diff --git a/tests/run-make/wasm-symbols-not-exported/foo.rs b/tests/run-make/wasm-symbols-not-exported/foo.rs index d46baee01b96..f85103f35354 100644 --- a/tests/run-make/wasm-symbols-not-exported/foo.rs +++ b/tests/run-make/wasm-symbols-not-exported/foo.rs @@ -1,7 +1,7 @@ #![crate_type = "cdylib"] #[no_mangle] -pub extern fn foo() { +pub extern "C" fn foo() { println!("foo"); panic!("test"); } diff --git a/tests/run-make/wasm-symbols-not-imported/foo.rs b/tests/run-make/wasm-symbols-not-imported/foo.rs index b25bdc9800d1..6af8d50a2ace 100644 --- a/tests/run-make/wasm-symbols-not-imported/foo.rs +++ b/tests/run-make/wasm-symbols-not-imported/foo.rs @@ -4,7 +4,7 @@ use core::panic::PanicInfo; #[no_mangle] -pub extern fn foo() { +pub extern "C" fn foo() { panic!() } diff --git a/tests/run-make/windows-spawn/spawn.rs b/tests/run-make/windows-spawn/spawn.rs index a9e86d1577e5..4afbaf876cd0 100644 --- a/tests/run-make/windows-spawn/spawn.rs +++ b/tests/run-make/windows-spawn/spawn.rs @@ -6,5 +6,5 @@ fn main() { assert_eq!( Command::new("hopefullydoesntexist").arg("bar").spawn().unwrap_err().kind(), ErrorKind::NotFound - ) + ); } diff --git a/tests/run-make/x86_64-fortanix-unknown-sgx-lvi/enclave/build.rs b/tests/run-make/x86_64-fortanix-unknown-sgx-lvi/enclave/build.rs index 3a7aa1be868c..f1fb58039485 100644 --- a/tests/run-make/x86_64-fortanix-unknown-sgx-lvi/enclave/build.rs +++ b/tests/run-make/x86_64-fortanix-unknown-sgx-lvi/enclave/build.rs @@ -1,17 +1,9 @@ fn main() { - cc::Build::new() - .file("foo.c") - .compile("foo_c"); + cc::Build::new().file("foo.c").compile("foo_c"); - cc::Build::new() - .file("foo_asm.s") - .compile("foo_asm"); + cc::Build::new().file("foo_asm.s").compile("foo_asm"); - cc::Build::new() - .cpp(true) - .cpp_set_stdlib(None) - .file("foo_cxx.cpp") - .compile("foo_cxx"); + cc::Build::new().cpp(true).cpp_set_stdlib(None).file("foo_cxx.cpp").compile("foo_cxx"); // When the cmake crate detects the clang compiler, it passes the // "--target" argument to the linker which subsequently fails. The @@ -20,11 +12,11 @@ fn main() { // `CMAKE_TRY_COMPILE_TARGET_TYPE=STATIC_LIBRARY` can be used // https://cmake.org/cmake/help/v3.5/module/CMakeForceCompiler.html let dst = cmake::Config::new("libcmake_foo") - .build_target("cmake_foo") - .define("CMAKE_C_COMPILER_FORCED", "1") - .define("CMAKE_CXX_COMPILER_FORCED", "1") - .define("CMAKE_TRY_COMPILE_TARGET_TYPE=STATIC_LIBRARY", "1") - .build(); + .build_target("cmake_foo") + .define("CMAKE_C_COMPILER_FORCED", "1") + .define("CMAKE_CXX_COMPILER_FORCED", "1") + .define("CMAKE_TRY_COMPILE_TARGET_TYPE=STATIC_LIBRARY", "1") + .build(); println!("cargo:rustc-link-search=native={}/build/", dst.display()); println!("cargo:rustc-link-lib=static=cmake_foo"); } From d71a015d01bd9a2b0fdec502aa2c738e4270bf62 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 29 May 2024 15:06:29 +1000 Subject: [PATCH 0817/1716] Explain why we don't run rustfmt on `tests/debuginfo/`. --- rustfmt.toml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/rustfmt.toml b/rustfmt.toml index dfc41819968a..beb33467b48c 100644 --- a/rustfmt.toml +++ b/rustfmt.toml @@ -16,7 +16,7 @@ ignore = [ # - some require special comments in a particular position (e.g. `EMIT_MIR` comments) "/tests/codegen/simd-intrinsic/", # Many types like `u8x64` are better hand-formatted. "/tests/crashes/", # Many tests contain syntax errors. - "/tests/debuginfo/", + "/tests/debuginfo/", # Tests are somewhat sensitive to source code layout. "/tests/incremental/", "/tests/mir-opt/", "/tests/pretty/", From 0ea498aa9fc7ddf696d53fe961d30e63e4d38438 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 29 May 2024 15:10:38 +1000 Subject: [PATCH 0818/1716] Explain why we don't run rustfmt on `tests/incremental/`. --- rustfmt.toml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/rustfmt.toml b/rustfmt.toml index beb33467b48c..2b502cf9bc6f 100644 --- a/rustfmt.toml +++ b/rustfmt.toml @@ -17,7 +17,7 @@ ignore = [ "/tests/codegen/simd-intrinsic/", # Many types like `u8x64` are better hand-formatted. "/tests/crashes/", # Many tests contain syntax errors. "/tests/debuginfo/", # Tests are somewhat sensitive to source code layout. - "/tests/incremental/", + "/tests/incremental/", # Tests are somewhat sensitive to source code layout. "/tests/mir-opt/", "/tests/pretty/", "/tests/run-make/translation/test.rs", # Contains syntax errors. From 9abfebdf1e3eb821d160673d0fbd1d58b310b4e6 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Thu, 30 May 2024 16:06:14 +1000 Subject: [PATCH 0819/1716] Add an alternate `--demangle` mode to coverage-dump The coverage-dump tool already needs `rustc_demangle` for its own purposes, so the amount of extra code needed for a demangle mode is very small. --- src/tools/coverage-dump/README.md | 5 +++++ src/tools/coverage-dump/src/main.rs | 19 +++++++++++++++++++ 2 files changed, 24 insertions(+) diff --git a/src/tools/coverage-dump/README.md b/src/tools/coverage-dump/README.md index e2625d5adf27..49d8e14c7bcc 100644 --- a/src/tools/coverage-dump/README.md +++ b/src/tools/coverage-dump/README.md @@ -6,3 +6,8 @@ The output format is mostly arbitrary, so it's OK to change the output as long as any affected tests are also re-blessed. However, the output should be consistent across different executions on different platforms, so avoid printing any information that is platform-specific or non-deterministic. + +## Demangle mode + +When run as `coverage-dump --demangle`, this tool instead functions as a +command-line demangler that can be invoked by `llvm-cov`. diff --git a/src/tools/coverage-dump/src/main.rs b/src/tools/coverage-dump/src/main.rs index 93fed1799e04..b21e3e292f2b 100644 --- a/src/tools/coverage-dump/src/main.rs +++ b/src/tools/coverage-dump/src/main.rs @@ -7,6 +7,13 @@ fn main() -> anyhow::Result<()> { let args = std::env::args().collect::>(); + // The coverage-dump tool already needs `rustc_demangle` in order to read + // coverage metadata, so it's very easy to also have a separate mode that + // turns it into a command-line demangler for use by coverage-run tests. + if &args[1..] == &["--demangle"] { + return demangle(); + } + let llvm_ir_path = args.get(1).context("LLVM IR file not specified")?; let llvm_ir = std::fs::read_to_string(llvm_ir_path).context("couldn't read LLVM IR file")?; @@ -15,3 +22,15 @@ fn main() -> anyhow::Result<()> { Ok(()) } + +fn demangle() -> anyhow::Result<()> { + use std::fmt::Write as _; + + let stdin = std::io::read_to_string(std::io::stdin())?; + let mut output = String::with_capacity(stdin.len()); + for line in stdin.lines() { + writeln!(output, "{:#}", rustc_demangle::demangle(line))?; + } + print!("{output}"); + Ok(()) +} From 10ffc228a851489b1678d830517541bd00d4da49 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Thu, 30 May 2024 16:21:42 +1000 Subject: [PATCH 0820/1716] Use `coverage-dump --demangle` as the demangler for coverage-run tests This avoids the need to build `rust-demangler` when running coverage tests, since we typically need to build `coverage-dump` anyway. --- src/bootstrap/src/core/build_steps/test.rs | 13 +------------ src/tools/compiletest/src/runtest/coverage.rs | 17 ++++++++++++----- 2 files changed, 13 insertions(+), 17 deletions(-) diff --git a/src/bootstrap/src/core/build_steps/test.rs b/src/bootstrap/src/core/build_steps/test.rs index 215886863624..76302a7900de 100644 --- a/src/bootstrap/src/core/build_steps/test.rs +++ b/src/bootstrap/src/core/build_steps/test.rs @@ -1781,7 +1781,7 @@ NOTE: if you're sure you want to do this, please open an issue as to why. In the .arg(builder.ensure(tool::JsonDocLint { compiler: json_compiler, target })); } - if mode == "coverage-map" { + if matches!(mode, "coverage-map" | "coverage-run") { let coverage_dump = builder.ensure(tool::CoverageDump { compiler: compiler.with_stage(0), target: compiler.host, @@ -1789,17 +1789,6 @@ NOTE: if you're sure you want to do this, please open an issue as to why. In the cmd.arg("--coverage-dump-path").arg(coverage_dump); } - if mode == "coverage-run" { - // The demangler doesn't need the current compiler, so we can avoid - // unnecessary rebuilds by using the bootstrap compiler instead. - let rust_demangler = builder.ensure(tool::RustDemangler { - compiler: compiler.with_stage(0), - target: compiler.host, - extra_features: Vec::new(), - }); - cmd.arg("--rust-demangler-path").arg(rust_demangler); - } - cmd.arg("--src-base").arg(builder.src.join("tests").join(suite)); cmd.arg("--build-base").arg(testdir(builder, compiler.host).join(suite)); diff --git a/src/tools/compiletest/src/runtest/coverage.rs b/src/tools/compiletest/src/runtest/coverage.rs index dad3fb301333..8bd7c7e808d3 100644 --- a/src/tools/compiletest/src/runtest/coverage.rs +++ b/src/tools/compiletest/src/runtest/coverage.rs @@ -10,10 +10,15 @@ use crate::common::{UI_COVERAGE, UI_COVERAGE_MAP}; use crate::runtest::{static_regex, Emit, ProcRes, TestCx, WillExecute}; impl<'test> TestCx<'test> { + fn coverage_dump_path(&self) -> &Path { + self.config + .coverage_dump_path + .as_deref() + .unwrap_or_else(|| self.fatal("missing --coverage-dump")) + } + pub(crate) fn run_coverage_map_test(&self) { - let Some(coverage_dump_path) = &self.config.coverage_dump_path else { - self.fatal("missing --coverage-dump"); - }; + let coverage_dump_path = self.coverage_dump_path(); let (proc_res, llvm_ir_path) = self.compile_test_and_save_ir(); if !proc_res.status.success() { @@ -102,8 +107,10 @@ impl<'test> TestCx<'test> { let proc_res = self.run_llvm_tool("llvm-cov", |cmd| { cmd.args(["show", "--format=text", "--show-line-counts-or-regions"]); - cmd.arg("--Xdemangler"); - cmd.arg(self.config.rust_demangler_path.as_ref().unwrap()); + // Specify the demangler binary and its arguments. + let coverage_dump_path = self.coverage_dump_path(); + cmd.arg("--Xdemangler").arg(coverage_dump_path); + cmd.arg("--Xdemangler").arg("--demangle"); cmd.arg("--instr-profile"); cmd.arg(&profdata_path); From feb8f3cc5d0728db5038de151f02bac540dc713a Mon Sep 17 00:00:00 2001 From: Zalathar Date: Thu, 30 May 2024 17:15:36 +1000 Subject: [PATCH 0821/1716] Use `Builder::tool_exe` to build the coverage-dump tool This appears to be the canonical way to build a tool with the stage 0 compiler. --- src/bootstrap/src/core/build_steps/test.rs | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/src/bootstrap/src/core/build_steps/test.rs b/src/bootstrap/src/core/build_steps/test.rs index 76302a7900de..29b3d1669b4b 100644 --- a/src/bootstrap/src/core/build_steps/test.rs +++ b/src/bootstrap/src/core/build_steps/test.rs @@ -1782,10 +1782,7 @@ NOTE: if you're sure you want to do this, please open an issue as to why. In the } if matches!(mode, "coverage-map" | "coverage-run") { - let coverage_dump = builder.ensure(tool::CoverageDump { - compiler: compiler.with_stage(0), - target: compiler.host, - }); + let coverage_dump = builder.tool_exe(Tool::CoverageDump); cmd.arg("--coverage-dump-path").arg(coverage_dump); } From 54b6849e06cc4847625cdf6a7312eb017786867f Mon Sep 17 00:00:00 2001 From: Zalathar Date: Thu, 30 May 2024 17:22:02 +1000 Subject: [PATCH 0822/1716] Remove unused rust-demangler support from compiletest --- src/tools/compiletest/src/common.rs | 3 --- src/tools/compiletest/src/lib.rs | 3 --- src/tools/compiletest/src/runtest.rs | 4 ---- 3 files changed, 10 deletions(-) diff --git a/src/tools/compiletest/src/common.rs b/src/tools/compiletest/src/common.rs index 7ff45edd4b26..b0047770564c 100644 --- a/src/tools/compiletest/src/common.rs +++ b/src/tools/compiletest/src/common.rs @@ -187,9 +187,6 @@ pub struct Config { /// The rustdoc executable. pub rustdoc_path: Option, - /// The rust-demangler executable. - pub rust_demangler_path: Option, - /// The coverage-dump executable. pub coverage_dump_path: Option, diff --git a/src/tools/compiletest/src/lib.rs b/src/tools/compiletest/src/lib.rs index 99bde107f3a4..62e71e9b59dd 100644 --- a/src/tools/compiletest/src/lib.rs +++ b/src/tools/compiletest/src/lib.rs @@ -46,7 +46,6 @@ pub fn parse_config(args: Vec) -> Config { .reqopt("", "run-lib-path", "path to target shared libraries", "PATH") .reqopt("", "rustc-path", "path to rustc to use for compiling", "PATH") .optopt("", "rustdoc-path", "path to rustdoc to use for compiling", "PATH") - .optopt("", "rust-demangler-path", "path to rust-demangler to use in tests", "PATH") .optopt("", "coverage-dump-path", "path to coverage-dump to use in tests", "PATH") .reqopt("", "python", "path to python to use for doc tests", "PATH") .optopt("", "jsondocck-path", "path to jsondocck to use for doc tests", "PATH") @@ -232,7 +231,6 @@ pub fn parse_config(args: Vec) -> Config { run_lib_path: make_absolute(opt_path(matches, "run-lib-path")), rustc_path: opt_path(matches, "rustc-path"), rustdoc_path: matches.opt_str("rustdoc-path").map(PathBuf::from), - rust_demangler_path: matches.opt_str("rust-demangler-path").map(PathBuf::from), coverage_dump_path: matches.opt_str("coverage-dump-path").map(PathBuf::from), python: matches.opt_str("python").unwrap(), jsondocck_path: matches.opt_str("jsondocck-path"), @@ -337,7 +335,6 @@ pub fn log_config(config: &Config) { logv(c, format!("run_lib_path: {:?}", config.run_lib_path)); logv(c, format!("rustc_path: {:?}", config.rustc_path.display())); logv(c, format!("rustdoc_path: {:?}", config.rustdoc_path)); - logv(c, format!("rust_demangler_path: {:?}", config.rust_demangler_path)); logv(c, format!("src_base: {:?}", config.src_base.display())); logv(c, format!("build_base: {:?}", config.build_base.display())); logv(c, format!("stage_id: {}", config.stage_id)); diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs index 4ea12a0f9e48..79e158992d47 100644 --- a/src/tools/compiletest/src/runtest.rs +++ b/src/tools/compiletest/src/runtest.rs @@ -3561,10 +3561,6 @@ impl<'test> TestCx<'test> { cmd.env("RUSTDOC", cwd.join(rustdoc)); } - if let Some(ref rust_demangler) = self.config.rust_demangler_path { - cmd.env("RUST_DEMANGLER", cwd.join(rust_demangler)); - } - if let Some(ref node) = self.config.nodejs { cmd.env("NODE", node); } From 20699fe6b23615cac13e4661b755fde2b4f36822 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Thu, 30 May 2024 11:51:06 -0400 Subject: [PATCH 0823/1716] Stop using translate_args in the new solver --- .../src/solve/eval_ctxt/mod.rs | 11 -- .../src/solve/normalizes_to/mod.rs | 123 +++++++++++------- ...-constraining-predicates-ambig.next.stderr | 12 ++ ...-requires-constraining-predicates-ambig.rs | 29 +++++ ...res-constraining-predicates.current.stderr | 12 ++ ...quires-constraining-predicates.next.stderr | 12 ++ ...e-impl-requires-constraining-predicates.rs | 24 ++++ 7 files changed, 167 insertions(+), 56 deletions(-) create mode 100644 tests/ui/specialization/source-impl-requires-constraining-predicates-ambig.next.stderr create mode 100644 tests/ui/specialization/source-impl-requires-constraining-predicates-ambig.rs create mode 100644 tests/ui/specialization/source-impl-requires-constraining-predicates.current.stderr create mode 100644 tests/ui/specialization/source-impl-requires-constraining-predicates.next.stderr create mode 100644 tests/ui/specialization/source-impl-requires-constraining-predicates.rs diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs index b18b59d9a752..f18f1f4f8f0d 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs @@ -12,7 +12,6 @@ use rustc_middle::bug; use rustc_middle::traits::solve::{ inspect, CanonicalInput, CanonicalResponse, Certainty, PredefinedOpaquesData, QueryResult, }; -use rustc_middle::traits::specialization_graph; use rustc_middle::ty::AliasRelationDirection; use rustc_middle::ty::TypeFolder; use rustc_middle::ty::{ @@ -900,16 +899,6 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { args } - pub(super) fn translate_args( - &self, - param_env: ty::ParamEnv<'tcx>, - source_impl: DefId, - source_args: ty::GenericArgsRef<'tcx>, - target_node: specialization_graph::Node, - ) -> ty::GenericArgsRef<'tcx> { - crate::traits::translate_args(self.infcx, param_env, source_impl, source_args, target_node) - } - pub(super) fn register_ty_outlives(&self, ty: Ty<'tcx>, lt: ty::Region<'tcx>) { self.infcx.register_region_obligation_with_cause(ty, lt, &ObligationCause::dummy()); } diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs b/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs index 22a77e2ecb8d..8c63bd824bc0 100644 --- a/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs @@ -1,4 +1,4 @@ -use crate::traits::specialization_graph; +use crate::traits::specialization_graph::{self, LeafDef, Node}; use super::assembly::structural_traits::AsyncCallableRelevantTypes; use super::assembly::{self, structural_traits, Candidate}; @@ -9,7 +9,6 @@ use rustc_infer::infer::InferCtxt; use rustc_infer::traits::query::NoSolution; use rustc_infer::traits::solve::inspect::ProbeKind; use rustc_infer::traits::solve::MaybeCause; -use rustc_infer::traits::specialization_graph::LeafDef; use rustc_infer::traits::Reveal; use rustc_middle::traits::solve::{CandidateSource, Certainty, Goal, QueryResult}; use rustc_middle::traits::BuiltinImplSource; @@ -189,8 +188,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { // In case the associated item is hidden due to specialization, we have to // return ambiguity this would otherwise be incomplete, resulting in // unsoundness during coherence (#105782). - let Some(assoc_def) = fetch_eligible_assoc_item_def( - ecx, + let Some(assoc_def) = ecx.fetch_eligible_assoc_item_def( goal.param_env, goal_trait_ref, goal.predicate.def_id(), @@ -235,16 +233,10 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { // // And then map these args to the args of the defining impl of `Assoc`, going // from `[u32, u64]` to `[u32, i32, u64]`. - let impl_args_with_gat = - goal.predicate.alias.args.rebase_onto(tcx, goal_trait_ref.def_id, impl_args); - let args = ecx.translate_args( - goal.param_env, - impl_def_id, - impl_args_with_gat, - assoc_def.defining_node, - ); + let associated_item_args = + ecx.translate_args(&assoc_def, goal, impl_def_id, impl_args, impl_trait_ref)?; - if !tcx.check_args_compatible(assoc_def.item.def_id, args) { + if !tcx.check_args_compatible(assoc_def.item.def_id, associated_item_args) { return error_response( ecx, "associated item has mismatched generic item arguments", @@ -272,7 +264,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { ty::AssocKind::Fn => unreachable!("we should never project to a fn"), }; - ecx.instantiate_normalizes_to_term(goal, term.instantiate(tcx, args)); + ecx.instantiate_normalizes_to_term(goal, term.instantiate(tcx, associated_item_args)); ecx.evaluate_added_goals_and_make_canonical_response(Certainty::Yes) }) } @@ -889,38 +881,79 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } } -/// This behavior is also implemented in `rustc_ty_utils` and in the old `project` code. -/// -/// FIXME: We should merge these 3 implementations as it's likely that they otherwise -/// diverge. -#[instrument(level = "trace", skip(ecx, param_env), ret)] -fn fetch_eligible_assoc_item_def<'tcx>( - ecx: &EvalCtxt<'_, InferCtxt<'tcx>>, - param_env: ty::ParamEnv<'tcx>, - goal_trait_ref: ty::TraitRef<'tcx>, - trait_assoc_def_id: DefId, - impl_def_id: DefId, -) -> Result, NoSolution> { - let node_item = - specialization_graph::assoc_def(ecx.interner(), impl_def_id, trait_assoc_def_id) - .map_err(|ErrorGuaranteed { .. }| NoSolution)?; +impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { + fn translate_args( + &mut self, + assoc_def: &LeafDef, + goal: Goal<'tcx, ty::NormalizesTo<'tcx>>, + impl_def_id: DefId, + impl_args: ty::GenericArgsRef<'tcx>, + impl_trait_ref: rustc_type_ir::TraitRef>, + ) -> Result, NoSolution> { + let tcx = self.interner(); + Ok(match assoc_def.defining_node { + Node::Trait(_) => goal.predicate.alias.args, + Node::Impl(target_impl_def_id) => { + if target_impl_def_id == impl_def_id { + // Same impl, no need to fully translate, just a rebase from + // the trait is sufficient. + goal.predicate.alias.args.rebase_onto(tcx, impl_trait_ref.def_id, impl_args) + } else { + let target_args = self.fresh_args_for_item(target_impl_def_id); + let target_trait_ref = tcx + .impl_trait_ref(target_impl_def_id) + .unwrap() + .instantiate(tcx, target_args); + // Relate source impl to target impl by equating trait refs. + self.eq(goal.param_env, impl_trait_ref, target_trait_ref)?; + // Also add predicates since they may be needed to constrain the + // target impl's params. + self.add_goals( + GoalSource::Misc, + tcx.predicates_of(target_impl_def_id) + .instantiate(tcx, target_args) + .into_iter() + .map(|(pred, _)| goal.with(tcx, pred)), + ); + goal.predicate.alias.args.rebase_onto(tcx, impl_trait_ref.def_id, target_args) + } + } + }) + } - let eligible = if node_item.is_final() { - // Non-specializable items are always projectable. - true - } else { - // Only reveal a specializable default if we're past type-checking - // and the obligation is monomorphic, otherwise passes such as - // transmute checking and polymorphic MIR optimizations could - // get a result which isn't correct for all monomorphizations. - if param_env.reveal() == Reveal::All { - let poly_trait_ref = ecx.resolve_vars_if_possible(goal_trait_ref); - !poly_trait_ref.still_further_specializable() + /// This behavior is also implemented in `rustc_ty_utils` and in the old `project` code. + /// + /// FIXME: We should merge these 3 implementations as it's likely that they otherwise + /// diverge. + #[instrument(level = "trace", skip(self, param_env), ret)] + fn fetch_eligible_assoc_item_def( + &self, + param_env: ty::ParamEnv<'tcx>, + goal_trait_ref: ty::TraitRef<'tcx>, + trait_assoc_def_id: DefId, + impl_def_id: DefId, + ) -> Result, NoSolution> { + let node_item = + specialization_graph::assoc_def(self.interner(), impl_def_id, trait_assoc_def_id) + .map_err(|ErrorGuaranteed { .. }| NoSolution)?; + + let eligible = if node_item.is_final() { + // Non-specializable items are always projectable. + true } else { - trace!(?node_item.item.def_id, "not eligible due to default"); - false - } - }; + // Only reveal a specializable default if we're past type-checking + // and the obligation is monomorphic, otherwise passes such as + // transmute checking and polymorphic MIR optimizations could + // get a result which isn't correct for all monomorphizations. + if param_env.reveal() == Reveal::All { + let poly_trait_ref = self.resolve_vars_if_possible(goal_trait_ref); + !poly_trait_ref.still_further_specializable() + } else { + trace!(?node_item.item.def_id, "not eligible due to default"); + false + } + }; - if eligible { Ok(Some(node_item)) } else { Ok(None) } + if eligible { Ok(Some(node_item)) } else { Ok(None) } + } } diff --git a/tests/ui/specialization/source-impl-requires-constraining-predicates-ambig.next.stderr b/tests/ui/specialization/source-impl-requires-constraining-predicates-ambig.next.stderr new file mode 100644 index 000000000000..17918a77821d --- /dev/null +++ b/tests/ui/specialization/source-impl-requires-constraining-predicates-ambig.next.stderr @@ -0,0 +1,12 @@ +warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/source-impl-requires-constraining-predicates-ambig.rs:14:12 + | +LL | #![feature(specialization)] + | ^^^^^^^^^^^^^^ + | + = note: see issue #31844 for more information + = help: consider using `min_specialization` instead, which is more stable and complete + = note: `#[warn(incomplete_features)]` on by default + +warning: 1 warning emitted + diff --git a/tests/ui/specialization/source-impl-requires-constraining-predicates-ambig.rs b/tests/ui/specialization/source-impl-requires-constraining-predicates-ambig.rs new file mode 100644 index 000000000000..977493c885b2 --- /dev/null +++ b/tests/ui/specialization/source-impl-requires-constraining-predicates-ambig.rs @@ -0,0 +1,29 @@ +//@ revisions: current next +//@ ignore-compare-mode-next-solver (explicit revisions) +//@[next] compile-flags: -Znext-solver +//@[next] check-pass +//@[current] known-bug: unknown +//@[current] failure-status: 101 +//@[current] dont-check-compiler-stderr + +// Tests that rebasing from the concrete impl to the default impl also processes the +// `[u32; 0]: IntoIterator` predicate to constrain the `?U` impl arg. +// This test also makes sure that we don't do anything weird when rebasing the args +// is ambiguous. + +#![feature(specialization)] +//[next]~^ WARN the feature `specialization` is incomplete + +trait Spec { + type Assoc; +} + +default impl Spec for T where T: IntoIterator { + type Assoc = U; +} + +impl Spec for [T; 0] {} + +fn main() { + let x: <[_; 0] as Spec>::Assoc = 1; +} diff --git a/tests/ui/specialization/source-impl-requires-constraining-predicates.current.stderr b/tests/ui/specialization/source-impl-requires-constraining-predicates.current.stderr new file mode 100644 index 000000000000..3442e5b5ca61 --- /dev/null +++ b/tests/ui/specialization/source-impl-requires-constraining-predicates.current.stderr @@ -0,0 +1,12 @@ +warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/source-impl-requires-constraining-predicates.rs:9:12 + | +LL | #![feature(specialization)] + | ^^^^^^^^^^^^^^ + | + = note: see issue #31844 for more information + = help: consider using `min_specialization` instead, which is more stable and complete + = note: `#[warn(incomplete_features)]` on by default + +warning: 1 warning emitted + diff --git a/tests/ui/specialization/source-impl-requires-constraining-predicates.next.stderr b/tests/ui/specialization/source-impl-requires-constraining-predicates.next.stderr new file mode 100644 index 000000000000..3442e5b5ca61 --- /dev/null +++ b/tests/ui/specialization/source-impl-requires-constraining-predicates.next.stderr @@ -0,0 +1,12 @@ +warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/source-impl-requires-constraining-predicates.rs:9:12 + | +LL | #![feature(specialization)] + | ^^^^^^^^^^^^^^ + | + = note: see issue #31844 for more information + = help: consider using `min_specialization` instead, which is more stable and complete + = note: `#[warn(incomplete_features)]` on by default + +warning: 1 warning emitted + diff --git a/tests/ui/specialization/source-impl-requires-constraining-predicates.rs b/tests/ui/specialization/source-impl-requires-constraining-predicates.rs new file mode 100644 index 000000000000..532fc3676406 --- /dev/null +++ b/tests/ui/specialization/source-impl-requires-constraining-predicates.rs @@ -0,0 +1,24 @@ +//@ check-pass +//@ revisions: current next +//@ ignore-compare-mode-next-solver (explicit revisions) +//@[next] compile-flags: -Znext-solver + +// Tests that rebasing from the concrete impl to the default impl also processes the +// `[u32; 0]: IntoIterator` predicate to constrain the `?U` impl arg. + +#![feature(specialization)] +//~^ WARN the feature `specialization` is incomplete + +trait Spec { + type Assoc; +} + +default impl Spec for T where T: IntoIterator { + type Assoc = U; +} + +impl Spec for [T; 0] {} + +fn main() { + let x: <[u32; 0] as Spec>::Assoc = 1; +} From a7e7848833d7a5a3f26249603ba3545ab18e7431 Mon Sep 17 00:00:00 2001 From: Urgau Date: Fri, 31 May 2024 17:02:27 +0200 Subject: [PATCH 0824/1716] Refactor --print=check-cfg test --- tests/run-make/print-check-cfg/rmake.rs | 150 ++++++++++++++---------- 1 file changed, 86 insertions(+), 64 deletions(-) diff --git a/tests/run-make/print-check-cfg/rmake.rs b/tests/run-make/print-check-cfg/rmake.rs index f7f5fcf2340b..2d5221644265 100644 --- a/tests/run-make/print-check-cfg/rmake.rs +++ b/tests/run-make/print-check-cfg/rmake.rs @@ -8,61 +8,70 @@ use std::ops::Deref; use run_make_support::rustc; +struct CheckCfg { + args: &'static [&'static str], + contains: Contains, +} + +enum Contains { + Some { contains: &'static [&'static str], doesnt_contain: &'static [&'static str] }, + Only(&'static str), +} + fn main() { - check( - /*args*/ &[], - /*has_any*/ false, - /*has_any_any*/ true, - /*contains*/ &[], - ); - check( - /*args*/ &["--check-cfg=cfg()"], - /*has_any*/ false, - /*has_any_any*/ false, - /*contains*/ &["unix", "miri"], - ); - check( - /*args*/ &["--check-cfg=cfg(any())"], - /*has_any*/ true, - /*has_any_any*/ false, - /*contains*/ &["windows", "test"], - ); - check( - /*args*/ &["--check-cfg=cfg(feature)"], - /*has_any*/ false, - /*has_any_any*/ false, - /*contains*/ &["unix", "miri", "feature"], - ); - check( - /*args*/ &[r#"--check-cfg=cfg(feature, values(none(), "", "test", "lol"))"#], - /*has_any*/ false, - /*has_any_any*/ false, - /*contains*/ &["feature", "feature=\"\"", "feature=\"test\"", "feature=\"lol\""], - ); - check( - /*args*/ - &[ + check(CheckCfg { args: &[], contains: Contains::Only("any()=any()") }); + check(CheckCfg { + args: &["--check-cfg=cfg()"], + contains: Contains::Some { + contains: &["unix", "miri"], + doesnt_contain: &["any()", "any()=any()"], + }, + }); + check(CheckCfg { + args: &["--check-cfg=cfg(any())"], + contains: Contains::Some { + contains: &["any()", "unix", r#"target_feature="crt-static""#], + doesnt_contain: &["any()=any()"], + }, + }); + check(CheckCfg { + args: &["--check-cfg=cfg(feature)"], + contains: Contains::Some { + contains: &["unix", "miri", "feature"], + doesnt_contain: &["any()", "any()=any()", "feature=none()", "feature="], + }, + }); + check(CheckCfg { + args: &[r#"--check-cfg=cfg(feature, values(none(), "", "test", "lol"))"#], + contains: Contains::Some { + contains: &["feature", "feature=\"\"", "feature=\"test\"", "feature=\"lol\""], + doesnt_contain: &["any()", "any()=any()", "feature=none()", "feature="], + }, + }); + check(CheckCfg { + args: &[ r#"--check-cfg=cfg(feature, values(any()))"#, r#"--check-cfg=cfg(feature, values("tmp"))"#, ], - /*has_any*/ false, - /*has_any_any*/ false, - /*contains*/ &["unix", "miri", "feature=any()"], - ); - check( - /*args*/ - &[ + contains: Contains::Some { + contains: &["unix", "miri", "feature=any()"], + doesnt_contain: &["any()", "any()=any()", "feature", "feature=", "feature=\"tmp\""], + }, + }); + check(CheckCfg { + args: &[ r#"--check-cfg=cfg(has_foo, has_bar)"#, r#"--check-cfg=cfg(feature, values("tmp"))"#, r#"--check-cfg=cfg(feature, values("tmp"))"#, ], - /*has_any*/ false, - /*has_any_any*/ false, - /*contains*/ &["has_foo", "has_bar", "feature=\"tmp\""], - ); + contains: Contains::Some { + contains: &["has_foo", "has_bar", "feature=\"tmp\""], + doesnt_contain: &["any()", "any()=any()", "feature"], + }, + }); } -fn check(args: &[&str], has_any: bool, has_any_any: bool, contains: &[&str]) { +fn check(CheckCfg { args, contains }: CheckCfg) { let output = rustc() .input("lib.rs") .arg("-Zunstable-options") @@ -72,18 +81,11 @@ fn check(args: &[&str], has_any: bool, has_any_any: bool, contains: &[&str]) { let stdout = String::from_utf8(output.stdout).unwrap(); - let mut found_any = false; - let mut found_any_any = false; let mut found = HashSet::::new(); - let mut recorded = HashSet::::new(); for l in stdout.lines() { assert!(l == l.trim()); - if l == "any()" { - found_any = true; - } else if l == "any()=any()" { - found_any_any = true; - } else if let Some((left, right)) = l.split_once('=') { + if let Some((left, right)) = l.split_once('=') { if right != "any()" && right != "" { assert!(right.starts_with("\"")); assert!(right.ends_with("\"")); @@ -92,17 +94,37 @@ fn check(args: &[&str], has_any: bool, has_any_any: bool, contains: &[&str]) { } else { assert!(!l.contains("\"")); } - assert!(recorded.insert(l.to_string()), "{}", &l); - if contains.contains(&l) { - assert!(found.insert(l.to_string()), "{}", &l); - } + assert!(found.insert(l.to_string()), "{}", &l); } - let should_found = HashSet::::from_iter(contains.iter().map(|s| s.to_string())); - let diff: Vec<_> = should_found.difference(&found).collect(); - - assert_eq!(found_any, has_any); - assert_eq!(found_any_any, has_any_any); - assert_eq!(found_any_any, recorded.len() == 1); - assert!(diff.is_empty(), "{:?} != {:?} (~ {:?})", &should_found, &found, &diff); + match contains { + Contains::Some { contains, doesnt_contain } => { + { + let should_found = + HashSet::::from_iter(contains.iter().map(|s| s.to_string())); + let diff: Vec<_> = should_found.difference(&found).collect(); + assert!( + diff.is_empty(), + "should found: {:?}, didn't found {:?}", + &should_found, + &diff + ); + } + { + let should_not_find = + HashSet::::from_iter(doesnt_contain.iter().map(|s| s.to_string())); + let diff: Vec<_> = should_not_find.intersection(&found).collect(); + assert!( + diff.is_empty(), + "should not find {:?}, did found {:?}", + &should_not_find, + &diff + ); + } + } + Contains::Only(only) => { + assert!(found.contains(&only.to_string()), "{:?} != {:?}", &only, &found); + assert!(found.len() == 1, "len: {}, instead of 1", found.len()); + } + } } From 14348d951912022c4b23d7316f06a78a2791da01 Mon Sep 17 00:00:00 2001 From: Kjetil Kjeka Date: Fri, 31 May 2024 22:45:27 +0200 Subject: [PATCH 0825/1716] NVPTX: Avoid PassMode::Direct for C ABI --- compiler/rustc_target/src/abi/call/nvptx64.rs | 47 +++++++++++++++---- tests/assembly/nvptx-c-abi-ret-v7.rs | 1 - tests/ui/abi/compatibility.rs | 10 ++-- 3 files changed, 42 insertions(+), 16 deletions(-) diff --git a/compiler/rustc_target/src/abi/call/nvptx64.rs b/compiler/rustc_target/src/abi/call/nvptx64.rs index c6b6f66e6be8..ac68e8879f69 100644 --- a/compiler/rustc_target/src/abi/call/nvptx64.rs +++ b/compiler/rustc_target/src/abi/call/nvptx64.rs @@ -1,23 +1,54 @@ use crate::abi::call::{ArgAbi, FnAbi, PassMode, Reg, Size, Uniform}; use crate::abi::{HasDataLayout, TyAbiInterface}; +use super::{ArgAttribute, ArgAttributes, ArgExtension, CastTarget}; + fn classify_ret(ret: &mut ArgAbi<'_, Ty>) { - if ret.layout.is_aggregate() && ret.layout.size.bits() > 64 { - ret.make_indirect(); - } else { - // FIXME: this is wrong! Need to decide which ABI we really want here. - ret.make_direct_deprecated(); + if ret.layout.is_aggregate() && ret.layout.is_sized() { + classify_aggregate(ret) + } else if ret.layout.size.bits() < 32 && ret.layout.is_sized() { + ret.extend_integer_width_to(32); } } fn classify_arg(arg: &mut ArgAbi<'_, Ty>) { - if arg.layout.is_aggregate() { - arg.make_indirect_byval(None); - } else if arg.layout.size.bits() < 32 { + if arg.layout.is_aggregate() && arg.layout.is_sized() { + classify_aggregate(arg) + } else if arg.layout.size.bits() < 32 && arg.layout.is_sized() { arg.extend_integer_width_to(32); } } +/// the pass mode used for aggregates in arg and ret position +fn classify_aggregate(arg: &mut ArgAbi<'_, Ty>) { + let align_bytes = arg.layout.align.abi.bytes(); + let size = arg.layout.size; + + let reg = match align_bytes { + 1 => Reg::i8(), + 2 => Reg::i16(), + 4 => Reg::i32(), + 8 => Reg::i64(), + 16 => Reg::i128(), + _ => unreachable!("Align is given as power of 2 no larger than 16 bytes"), + }; + + if align_bytes == size.bytes() { + arg.cast_to(CastTarget { + prefix: [Some(reg), None, None, None, None, None, None, None], + rest: Uniform::new(Reg::i8(), Size::from_bytes(0)), + attrs: ArgAttributes { + regular: ArgAttribute::default(), + arg_ext: ArgExtension::None, + pointee_size: Size::ZERO, + pointee_align: None, + }, + }); + } else { + arg.cast_to(Uniform::new(reg, size)); + } +} + fn classify_arg_kernel<'a, Ty, C>(_cx: &C, arg: &mut ArgAbi<'a, Ty>) where Ty: TyAbiInterface<'a, C> + Copy, diff --git a/tests/assembly/nvptx-c-abi-ret-v7.rs b/tests/assembly/nvptx-c-abi-ret-v7.rs index 0c1594a5f200..8992cb8d540f 100644 --- a/tests/assembly/nvptx-c-abi-ret-v7.rs +++ b/tests/assembly/nvptx-c-abi-ret-v7.rs @@ -1,7 +1,6 @@ //@ assembly-output: ptx-linker //@ compile-flags: --crate-type cdylib -C target-cpu=sm_86 -Z unstable-options -Clinker-flavor=llbc //@ only-nvptx64 -//@ ignore-nvptx64 // The PTX ABI stability is tied to major versions of the PTX ISA // These tests assume major version 7 diff --git a/tests/ui/abi/compatibility.rs b/tests/ui/abi/compatibility.rs index c27a107a639f..1be9ada28227 100644 --- a/tests/ui/abi/compatibility.rs +++ b/tests/ui/abi/compatibility.rs @@ -55,13 +55,9 @@ //@ revisions: csky //@[csky] compile-flags: --target csky-unknown-linux-gnuabiv2 //@[csky] needs-llvm-components: csky - -// FIXME: disabled on nvptx64 since the target ABI fails the sanity check -// see https://github.com/rust-lang/rust/issues/117480 -/* revisions: nvptx64 - [nvptx64] compile-flags: --target nvptx64-nvidia-cuda - [nvptx64] needs-llvm-components: nvptx -*/ +//@ revisions: nvptx64 +//@[nvptx64] compile-flags: --target nvptx64-nvidia-cuda +//@[nvptx64] needs-llvm-components: nvptx #![feature(rustc_attrs, unsized_fn_params, transparent_unions)] #![cfg_attr(not(host), feature(no_core, lang_items), no_std, no_core)] #![allow(unused, improper_ctypes_definitions, internal_features)] From a49fe0a58c81f2fe10c5cf0cc5b22113253de893 Mon Sep 17 00:00:00 2001 From: Kjetil Kjeka Date: Fri, 31 May 2024 23:12:33 +0200 Subject: [PATCH 0826/1716] NVPTX:_Especially add the DoubleI32 struct as a nvptx abi test case since it was used as an example when discussing possible problems --- tests/assembly/nvptx-c-abi-arg-v7.rs | 10 ++++++++++ tests/assembly/nvptx-c-abi-ret-v7.rs | 11 +++++++++++ .../nvptx-kernel-abi/nvptx-kernel-args-abi-v7.rs | 10 ++++++++++ 3 files changed, 31 insertions(+) diff --git a/tests/assembly/nvptx-c-abi-arg-v7.rs b/tests/assembly/nvptx-c-abi-arg-v7.rs index 99f90ea526e1..27b64b58f04c 100644 --- a/tests/assembly/nvptx-c-abi-arg-v7.rs +++ b/tests/assembly/nvptx-c-abi-arg-v7.rs @@ -40,6 +40,11 @@ pub struct TripleU16 { h: u16, } #[repr(C)] +pub struct DoubleI32 { + f: i32, + g: i32, +} +#[repr(C)] pub struct TripleU32 { f: u32, g: u32, @@ -175,6 +180,11 @@ pub unsafe extern "C" fn f_triple_u16_arg(_a: TripleU16) {} #[no_mangle] pub unsafe extern "C" fn f_triple_u32_arg(_a: TripleU32) {} +// CHECK: .visible .func f_double_i32_arg( +// CHECK: .param .align 4 .b8 f_double_i32_arg_param_0[8] +#[no_mangle] +pub unsafe extern "C" fn f_double_i32_arg(_a: DoubleI32) {} + // CHECK: .visible .func f_triple_u64_arg( // CHECK: .param .align 8 .b8 f_triple_u64_arg_param_0[24] #[no_mangle] diff --git a/tests/assembly/nvptx-c-abi-ret-v7.rs b/tests/assembly/nvptx-c-abi-ret-v7.rs index 8992cb8d540f..56ab182fcce2 100644 --- a/tests/assembly/nvptx-c-abi-ret-v7.rs +++ b/tests/assembly/nvptx-c-abi-ret-v7.rs @@ -40,6 +40,11 @@ pub struct TripleU16 { h: u16, } #[repr(C)] +pub struct DoubleI32 { + f: i32, + g: i32, +} +#[repr(C)] pub struct TripleU32 { f: u32, g: u32, @@ -186,6 +191,12 @@ pub unsafe extern "C" fn f_triple_u16_ret() -> TripleU16 { TripleU16 { f: 18, g: 19, h: 20 } } +// CHECK: .visible .func (.param .align 4 .b8 func_retval0[8]) f_double_i32_ret( +#[no_mangle] +pub unsafe extern "C" fn f_double_i32_ret() -> DoubleI32 { + DoubleI32 { f: 1, g: 2 } +} + // CHECK: .visible .func (.param .align 4 .b8 func_retval0[12]) f_triple_u32_ret( #[no_mangle] pub unsafe extern "C" fn f_triple_u32_ret() -> TripleU32 { diff --git a/tests/assembly/nvptx-kernel-abi/nvptx-kernel-args-abi-v7.rs b/tests/assembly/nvptx-kernel-abi/nvptx-kernel-args-abi-v7.rs index ce1d732f3677..fb3a325a41f8 100644 --- a/tests/assembly/nvptx-kernel-abi/nvptx-kernel-args-abi-v7.rs +++ b/tests/assembly/nvptx-kernel-abi/nvptx-kernel-args-abi-v7.rs @@ -50,6 +50,11 @@ pub struct TripleU16 { h: u16, } #[repr(C)] +pub struct DoubleI32 { + f: i32, + g: i32, +} +#[repr(C)] pub struct TripleU32 { f: u32, g: u32, @@ -180,6 +185,11 @@ pub unsafe extern "ptx-kernel" fn f_triple_u8_arg(_a: TripleU8) {} #[no_mangle] pub unsafe extern "ptx-kernel" fn f_triple_u16_arg(_a: TripleU16) {} +// CHECK: .visible .entry f_double_i32_arg( +// CHECK: .param .align 4 .b8 f_double_i32_arg_param_0[8] +#[no_mangle] +pub unsafe extern "ptx-kernel" fn f_double_i32_arg(_a: DoubleI32) {} + // CHECK: .visible .entry f_triple_u32_arg( // CHECK: .param .align 4 .b8 f_triple_u32_arg_param_0[12] #[no_mangle] From d3c8e6788cfbcc64ab7710cab7a56e276e7d5a7a Mon Sep 17 00:00:00 2001 From: Luv-Ray Date: Sat, 1 Jun 2024 09:40:46 +0800 Subject: [PATCH 0827/1716] check index `value <= 0xFFFF_FF00` --- .../rustc_mir_transform/src/known_panics_lint.rs | 8 ++++++-- tests/crashes/121126.rs | 4 ---- tests/ui/indexing/index-bounds.rs | 10 ++++++++++ tests/ui/indexing/index-bounds.stderr | 16 ++++++++++++++++ 4 files changed, 32 insertions(+), 6 deletions(-) delete mode 100644 tests/crashes/121126.rs create mode 100644 tests/ui/indexing/index-bounds.rs create mode 100644 tests/ui/indexing/index-bounds.stderr diff --git a/compiler/rustc_mir_transform/src/known_panics_lint.rs b/compiler/rustc_mir_transform/src/known_panics_lint.rs index 9ba22870403f..8b46658b3225 100644 --- a/compiler/rustc_mir_transform/src/known_panics_lint.rs +++ b/compiler/rustc_mir_transform/src/known_panics_lint.rs @@ -102,8 +102,12 @@ impl<'tcx> Value<'tcx> { } (PlaceElem::Index(idx), Value::Aggregate { fields, .. }) => { let idx = prop.get_const(idx.into())?.immediate()?; - let idx = prop.ecx.read_target_usize(idx).ok()?; - fields.get(FieldIdx::from_u32(idx.try_into().ok()?)).unwrap_or(&Value::Uninit) + let idx = prop.ecx.read_target_usize(idx).ok()?.try_into().ok()?; + if idx <= FieldIdx::MAX_AS_U32 { + fields.get(FieldIdx::from_u32(idx)).unwrap_or(&Value::Uninit) + } else { + return None; + } } ( PlaceElem::ConstantIndex { offset, min_length: _, from_end: false }, diff --git a/tests/crashes/121126.rs b/tests/crashes/121126.rs deleted file mode 100644 index 2ebe91f02ded..000000000000 --- a/tests/crashes/121126.rs +++ /dev/null @@ -1,4 +0,0 @@ -//@ known-bug: #121126 -fn main() { - let _n = 1i64 >> [64][4_294_967_295]; -} diff --git a/tests/ui/indexing/index-bounds.rs b/tests/ui/indexing/index-bounds.rs new file mode 100644 index 000000000000..2b318beeeaa7 --- /dev/null +++ b/tests/ui/indexing/index-bounds.rs @@ -0,0 +1,10 @@ +//@ build-fail + +fn main() { + let _n = [64][200]; + //~^ ERROR this operation will panic at runtime [unconditional_panic] + + // issue #121126, test index value between 0xFFFF_FF00 and u32::MAX + let _n = [64][u32::MAX as usize - 1]; + //~^ ERROR this operation will panic at runtime [unconditional_panic] +} diff --git a/tests/ui/indexing/index-bounds.stderr b/tests/ui/indexing/index-bounds.stderr new file mode 100644 index 000000000000..51d8c7567a46 --- /dev/null +++ b/tests/ui/indexing/index-bounds.stderr @@ -0,0 +1,16 @@ +error: this operation will panic at runtime + --> $DIR/index-bounds.rs:4:14 + | +LL | let _n = [64][200]; + | ^^^^^^^^^ index out of bounds: the length is 1 but the index is 200 + | + = note: `#[deny(unconditional_panic)]` on by default + +error: this operation will panic at runtime + --> $DIR/index-bounds.rs:8:14 + | +LL | let _n = [64][u32::MAX as usize - 1]; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ index out of bounds: the length is 1 but the index is 4294967294 + +error: aborting due to 2 previous errors + From 15564fa194996773130194bb049ef55ede7c452d Mon Sep 17 00:00:00 2001 From: Weihang Lo Date: Fri, 31 May 2024 22:13:20 -0400 Subject: [PATCH 0828/1716] Update cargo --- src/tools/cargo | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/cargo b/src/tools/cargo index 431db31d0dbe..7a6fad0984d2 160000 --- a/src/tools/cargo +++ b/src/tools/cargo @@ -1 +1 @@ -Subproject commit 431db31d0dbeda320caf8ef8535ea48eb3093407 +Subproject commit 7a6fad0984d28c8330974636972aa296b67c4513 From 7cee7c664befc25a4d3392e9fbdb6999b23b4619 Mon Sep 17 00:00:00 2001 From: coekjan Date: Fri, 17 May 2024 21:18:51 +0800 Subject: [PATCH 0829/1716] stablize `const_binary_heap_constructor` & create an unstable feature `const_binary_heap_new_in` for `BinaryHeap::new_in` --- library/alloc/src/collections/binary_heap/mod.rs | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/library/alloc/src/collections/binary_heap/mod.rs b/library/alloc/src/collections/binary_heap/mod.rs index 846b9a1404d2..0b04fb4a2744 100644 --- a/library/alloc/src/collections/binary_heap/mod.rs +++ b/library/alloc/src/collections/binary_heap/mod.rs @@ -440,7 +440,10 @@ impl BinaryHeap { /// heap.push(4); /// ``` #[stable(feature = "rust1", since = "1.0.0")] - #[rustc_const_unstable(feature = "const_binary_heap_constructor", issue = "112353")] + #[rustc_const_stable( + feature = "const_binary_heap_constructor", + since = "CURRENT_RUSTC_VERSION" + )] #[must_use] pub const fn new() -> BinaryHeap { BinaryHeap { data: vec![] } @@ -484,7 +487,7 @@ impl BinaryHeap { /// heap.push(4); /// ``` #[unstable(feature = "allocator_api", issue = "32838")] - #[rustc_const_unstable(feature = "const_binary_heap_constructor", issue = "112353")] + #[rustc_const_unstable(feature = "const_binary_heap_new_in", issue = "112353")] #[must_use] pub const fn new_in(alloc: A) -> BinaryHeap { BinaryHeap { data: Vec::new_in(alloc) } From b0d0cc6590925aa5493f3810d0f581bf9c476714 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Thu, 30 May 2024 16:31:59 +0200 Subject: [PATCH 0830/1716] Add `Cc::output` method --- src/tools/run-make-support/src/cc.rs | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/src/tools/run-make-support/src/cc.rs b/src/tools/run-make-support/src/cc.rs index 799c36b10499..0012e7b66af3 100644 --- a/src/tools/run-make-support/src/cc.rs +++ b/src/tools/run-make-support/src/cc.rs @@ -80,6 +80,13 @@ impl Cc { self } + /// Specify path of the output binary. + pub fn output>(&mut self, path: P) -> &mut Self { + self.cmd.arg("-o"); + self.cmd.arg(path.as_ref()); + self + } + /// Get the [`Output`][::std::process::Output] of the finished process. pub fn command_output(&mut self) -> ::std::process::Output { self.cmd.output().expect("failed to get output of finished process") From 8742bf375b067096c2d3c6898a311cd0e80fde56 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Thu, 30 May 2024 16:32:12 +0200 Subject: [PATCH 0831/1716] Migrate `run-make/cdylib` to `rmake.rs` --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/cdylib/Makefile | 23 ------------ tests/run-make/cdylib/rmake.rs | 36 +++++++++++++++++++ 3 files changed, 36 insertions(+), 24 deletions(-) delete mode 100644 tests/run-make/cdylib/Makefile create mode 100644 tests/run-make/cdylib/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 009200aca15d..ebe9d2b7bb0b 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -14,7 +14,6 @@ run-make/c-unwind-abi-catch-panic/Makefile run-make/cat-and-grep-sanity-check/Makefile run-make/cdylib-dylib-linkage/Makefile run-make/cdylib-fewer-symbols/Makefile -run-make/cdylib/Makefile run-make/codegen-options-parsing/Makefile run-make/comment-section/Makefile run-make/compiler-lookup-paths-2/Makefile diff --git a/tests/run-make/cdylib/Makefile b/tests/run-make/cdylib/Makefile deleted file mode 100644 index 2c6414c32553..000000000000 --- a/tests/run-make/cdylib/Makefile +++ /dev/null @@ -1,23 +0,0 @@ -# When the cdylib crate type was added as a variation of dylib, it needed a test to check its function. -# See https://github.com/rust-lang/rust/pull/33553 - -# ignore-cross-compile -include ../tools.mk - -all: $(call RUN_BINFILE,foo) - $(call RUN,foo) - rm $(call DYLIB,foo) - $(RUSTC) foo.rs -C lto - $(call RUN,foo) - -ifdef IS_MSVC -$(call RUN_BINFILE,foo): $(call DYLIB,foo) - $(CC) $(CFLAGS) foo.c $(TMPDIR)/foo.dll.lib $(call OUT_EXE,foo) -else -$(call RUN_BINFILE,foo): $(call DYLIB,foo) - $(CC) $(CFLAGS) foo.c -lfoo -o $(call RUN_BINFILE,foo) -L $(TMPDIR) -endif - -$(call DYLIB,foo): - $(RUSTC) bar.rs - $(RUSTC) foo.rs diff --git a/tests/run-make/cdylib/rmake.rs b/tests/run-make/cdylib/rmake.rs new file mode 100644 index 000000000000..fcb4f56621f6 --- /dev/null +++ b/tests/run-make/cdylib/rmake.rs @@ -0,0 +1,36 @@ +// This test tries to check that basic cdylib libraries can be compiled and linked successfully +// with C code, that the cdylib itself can depend on another rlib, and that the library can be built +// with LTO. +// +// - `bar.rs` is a rlib +// - `foo.rs` is a cdylib that relies on an extern crate `bar` and defines two `extern "C"` +// functions: +// - `foo()` which calls `bar::bar()`. +// - `bar()` which implements basic addition. + +//@ ignore-cross-compile + +use std::fs::remove_file; + +use run_make_support::{cc, dynamic_lib, is_msvc, run, rustc, tmp_dir}; + +fn main() { + rustc().input("bar.rs").run(); + rustc().input("foo.rs").run(); + + if is_msvc() { + cc().input("foo.c").arg(tmp_dir().join("foo.dll.lib")).out_exe("foo").run(); + } else { + cc().input("foo.c") + .arg("-lfoo") + .output(tmp_dir().join("foo")) + .library_search_path(tmp_dir()) + .run(); + } + + run("foo"); + remove_file(dynamic_lib("foo")).unwrap(); + + rustc().input("foo.rs").arg("-Clto").run(); + run("foo"); +} From 190a96f9d347363ac9e3d3ac3d3821cf35e3b0a9 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Sat, 1 Jun 2024 10:29:45 +0200 Subject: [PATCH 0832/1716] Migrate `run-make/emit-named-files` to `rmake.rs` --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/emit-named-files/Makefile | 33 ------------------- tests/run-make/emit-named-files/rmake.rs | 25 ++++++++++++++ 3 files changed, 25 insertions(+), 34 deletions(-) delete mode 100644 tests/run-make/emit-named-files/Makefile create mode 100644 tests/run-make/emit-named-files/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 009200aca15d..95fc30cb7757 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -38,7 +38,6 @@ run-make/dump-ice-to-disk/Makefile run-make/dump-mono-stats/Makefile run-make/duplicate-output-flavors/Makefile run-make/dylib-chain/Makefile -run-make/emit-named-files/Makefile run-make/emit-path-unhashed/Makefile run-make/emit-shared-files/Makefile run-make/emit-stack-sizes/Makefile diff --git a/tests/run-make/emit-named-files/Makefile b/tests/run-make/emit-named-files/Makefile deleted file mode 100644 index 2b97b841fc00..000000000000 --- a/tests/run-make/emit-named-files/Makefile +++ /dev/null @@ -1,33 +0,0 @@ -include ../tools.mk - -OUT=$(TMPDIR)/emit - -all: asm llvm-bc llvm-ir obj metadata link dep-info mir - -asm: $(OUT) - $(RUSTC) --emit asm=$(OUT)/libfoo.s foo.rs - test -f $(OUT)/libfoo.s -llvm-bc: $(OUT) - $(RUSTC) --emit llvm-bc=$(OUT)/libfoo.bc foo.rs - test -f $(OUT)/libfoo.bc -llvm-ir: $(OUT) - $(RUSTC) --emit llvm-ir=$(OUT)/libfoo.ll foo.rs - test -f $(OUT)/libfoo.ll -obj: $(OUT) - $(RUSTC) --emit obj=$(OUT)/libfoo.o foo.rs - test -f $(OUT)/libfoo.o -metadata: $(OUT) - $(RUSTC) --emit metadata=$(OUT)/libfoo.rmeta foo.rs - test -f $(OUT)/libfoo.rmeta -link: $(OUT) - $(RUSTC) --emit link=$(OUT)/libfoo.rlib foo.rs - test -f $(OUT)/libfoo.rlib -dep-info: $(OUT) - $(RUSTC) --emit dep-info=$(OUT)/libfoo.d foo.rs - test -f $(OUT)/libfoo.d -mir: $(OUT) - $(RUSTC) --emit mir=$(OUT)/libfoo.mir foo.rs - test -f $(OUT)/libfoo.mir - -$(OUT): - mkdir -p $(OUT) diff --git a/tests/run-make/emit-named-files/rmake.rs b/tests/run-make/emit-named-files/rmake.rs new file mode 100644 index 000000000000..068f9796d0e9 --- /dev/null +++ b/tests/run-make/emit-named-files/rmake.rs @@ -0,0 +1,25 @@ +use std::fs::create_dir; +use std::path::Path; + +use run_make_support::{rustc, tmp_dir}; + +fn emit_and_check(out_dir: &Path, out_file: &str, format: &str) { + let out_file = out_dir.join(out_file); + rustc().input("foo.rs").emit(&format!("{format}={}", out_file.display())).run(); + assert!(out_file.is_file()); +} + +fn main() { + let out_dir = tmp_dir().join("emit"); + + create_dir(&out_dir).unwrap(); + + emit_and_check(&out_dir, "libfoo.s", "asm"); + emit_and_check(&out_dir, "libfoo.bc", "llvm-bc"); + emit_and_check(&out_dir, "libfoo.ll", "llvm-ir"); + emit_and_check(&out_dir, "libfoo.o", "obj"); + emit_and_check(&out_dir, "libfoo.rmeta", "metadata"); + emit_and_check(&out_dir, "libfoo.rlib", "link"); + emit_and_check(&out_dir, "libfoo.d", "dep-info"); + emit_and_check(&out_dir, "libfoo.mir", "mir"); +} From 5d0fcfbf56bb53fa70783c3d0d0251a3700b4bd5 Mon Sep 17 00:00:00 2001 From: Jacher Date: Thu, 30 May 2024 17:02:23 +0000 Subject: [PATCH 0833/1716] modify str_to_string to be machine-applicable --- clippy_lints/src/strings.rs | 10 +++++++--- tests/ui/str_to_string.fixed | 9 +++++++++ tests/ui/str_to_string.stderr | 7 ++----- 3 files changed, 18 insertions(+), 8 deletions(-) create mode 100644 tests/ui/str_to_string.fixed diff --git a/clippy_lints/src/strings.rs b/clippy_lints/src/strings.rs index f8d36d6b92f6..7da661485abf 100644 --- a/clippy_lints/src/strings.rs +++ b/clippy_lints/src/strings.rs @@ -399,13 +399,17 @@ impl<'tcx> LateLintPass<'tcx> for StrToString { && let ty::Ref(_, ty, ..) = ty.kind() && ty.is_str() { - span_lint_and_help( + let mut applicability = Applicability::MachineApplicable; + let snippet = snippet_with_applicability(cx, self_arg.span, "..", &mut applicability); + + span_lint_and_sugg( cx, STR_TO_STRING, expr.span, "`to_string()` called on a `&str`", - None, - "consider using `.to_owned()`", + "try", + format!("{snippet}.to_owned()"), + applicability, ); } } diff --git a/tests/ui/str_to_string.fixed b/tests/ui/str_to_string.fixed new file mode 100644 index 000000000000..52e40b45a8bd --- /dev/null +++ b/tests/ui/str_to_string.fixed @@ -0,0 +1,9 @@ +#![warn(clippy::str_to_string)] + +fn main() { + let hello = "hello world".to_owned(); + //~^ ERROR: `to_string()` called on a `&str` + let msg = &hello[..]; + msg.to_owned(); + //~^ ERROR: `to_string()` called on a `&str` +} diff --git a/tests/ui/str_to_string.stderr b/tests/ui/str_to_string.stderr index 13b73622d698..a761d96cd6b1 100644 --- a/tests/ui/str_to_string.stderr +++ b/tests/ui/str_to_string.stderr @@ -2,9 +2,8 @@ error: `to_string()` called on a `&str` --> tests/ui/str_to_string.rs:4:17 | LL | let hello = "hello world".to_string(); - | ^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `"hello world".to_owned()` | - = help: consider using `.to_owned()` = note: `-D clippy::str-to-string` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::str_to_string)]` @@ -12,9 +11,7 @@ error: `to_string()` called on a `&str` --> tests/ui/str_to_string.rs:7:5 | LL | msg.to_string(); - | ^^^^^^^^^^^^^^^ - | - = help: consider using `.to_owned()` + | ^^^^^^^^^^^^^^^ help: try: `msg.to_owned()` error: aborting due to 2 previous errors From dd9c8cc467a8a6af3a785bac285458dd9def6cf0 Mon Sep 17 00:00:00 2001 From: Mark Rousskov Date: Sat, 6 Apr 2024 16:42:38 -0400 Subject: [PATCH 0834/1716] Increase vtable layout size This improves LLVM's codegen by allowing vtable loads to be hoisted out of loops (as just one example). --- compiler/rustc_middle/src/ty/layout.rs | 25 ++-- compiler/rustc_middle/src/ty/vtable.rs | 64 ++++++++++ .../src/traits/object_safety.rs | 113 ++++++++++-------- tests/debuginfo/unsized.rs | 6 +- 4 files changed, 134 insertions(+), 74 deletions(-) diff --git a/compiler/rustc_middle/src/ty/layout.rs b/compiler/rustc_middle/src/ty/layout.rs index 60ce87440328..71030febf769 100644 --- a/compiler/rustc_middle/src/ty/layout.rs +++ b/compiler/rustc_middle/src/ty/layout.rs @@ -827,25 +827,14 @@ where }); } - let mk_dyn_vtable = || { + let mk_dyn_vtable = |principal: Option>| { + let min_count = ty::vtable_min_entries(tcx, principal); Ty::new_imm_ref( tcx, tcx.lifetimes.re_static, - Ty::new_array(tcx, tcx.types.usize, 3), + // FIXME: properly type (e.g. usize and fn pointers) the fields. + Ty::new_array(tcx, tcx.types.usize, min_count.try_into().unwrap()), ) - /* FIXME: use actual fn pointers - Warning: naively computing the number of entries in the - vtable by counting the methods on the trait + methods on - all parent traits does not work, because some methods can - be not object safe and thus excluded from the vtable. - Increase this counter if you tried to implement this but - failed to do it without duplicating a lot of code from - other places in the compiler: 2 - Ty::new_tup(tcx,&[ - Ty::new_array(tcx,tcx.types.usize, 3), - Ty::new_array(tcx,Option), - ]) - */ }; let metadata = if let Some(metadata_def_id) = tcx.lang_items().metadata_type() @@ -864,16 +853,16 @@ where // `std::mem::uninitialized::<&dyn Trait>()`, for example. if let ty::Adt(def, args) = metadata.kind() && Some(def.did()) == tcx.lang_items().dyn_metadata() - && args.type_at(0).is_trait() + && let ty::Dynamic(data, _, ty::Dyn) = args.type_at(0).kind() { - mk_dyn_vtable() + mk_dyn_vtable(data.principal()) } else { metadata } } else { match tcx.struct_tail_erasing_lifetimes(pointee, cx.param_env()).kind() { ty::Slice(_) | ty::Str => tcx.types.usize, - ty::Dynamic(_, _, ty::Dyn) => mk_dyn_vtable(), + ty::Dynamic(data, _, ty::Dyn) => mk_dyn_vtable(data.principal()), _ => bug!("TyAndLayout::field({:?}): not applicable", this), } }; diff --git a/compiler/rustc_middle/src/ty/vtable.rs b/compiler/rustc_middle/src/ty/vtable.rs index b8371cc2bca5..092451b80aa5 100644 --- a/compiler/rustc_middle/src/ty/vtable.rs +++ b/compiler/rustc_middle/src/ty/vtable.rs @@ -3,6 +3,8 @@ use std::fmt; use crate::mir::interpret::{alloc_range, AllocId, Allocation, Pointer, Scalar}; use crate::ty::{self, Instance, PolyTraitRef, Ty, TyCtxt}; use rustc_ast::Mutability; +use rustc_data_structures::fx::FxHashSet; +use rustc_hir::def_id::DefId; use rustc_macros::HashStable; #[derive(Clone, Copy, PartialEq, HashStable)] @@ -46,6 +48,65 @@ pub const COMMON_VTABLE_ENTRIES_DROPINPLACE: usize = 0; pub const COMMON_VTABLE_ENTRIES_SIZE: usize = 1; pub const COMMON_VTABLE_ENTRIES_ALIGN: usize = 2; +// FIXME: This is duplicating equivalent code in compiler/rustc_trait_selection/src/traits/util.rs +// But that is a downstream crate, and this code is pretty simple. Probably OK for now. +struct SupertraitDefIds<'tcx> { + tcx: TyCtxt<'tcx>, + stack: Vec, + visited: FxHashSet, +} + +fn supertrait_def_ids(tcx: TyCtxt<'_>, trait_def_id: DefId) -> SupertraitDefIds<'_> { + SupertraitDefIds { + tcx, + stack: vec![trait_def_id], + visited: Some(trait_def_id).into_iter().collect(), + } +} + +impl Iterator for SupertraitDefIds<'_> { + type Item = DefId; + + fn next(&mut self) -> Option { + let def_id = self.stack.pop()?; + let predicates = self.tcx.super_predicates_of(def_id); + let visited = &mut self.visited; + self.stack.extend( + predicates + .predicates + .iter() + .filter_map(|(pred, _)| pred.as_trait_clause()) + .map(|trait_ref| trait_ref.def_id()) + .filter(|&super_def_id| visited.insert(super_def_id)), + ); + Some(def_id) + } +} + +// Note that we don't have access to a self type here, this has to be purely based on the trait (and +// supertrait) definitions. That means we can't call into the same vtable_entries code since that +// returns a specific instantiation (e.g., with Vacant slots when bounds aren't satisfied). The goal +// here is to do a best-effort approximation without duplicating a lot of code. +// +// This function is used in layout computation for e.g. &dyn Trait, so it's critical that this +// function is an accurate approximation. We verify this when actually computing the vtable below. +pub(crate) fn vtable_min_entries<'tcx>( + tcx: TyCtxt<'tcx>, + trait_ref: Option>, +) -> usize { + let mut count = TyCtxt::COMMON_VTABLE_ENTRIES.len(); + let Some(trait_ref) = trait_ref else { + return count; + }; + + // This includes self in supertraits. + for def_id in supertrait_def_ids(tcx, trait_ref.def_id()) { + count += tcx.own_existential_vtable_entries(def_id).len(); + } + + count +} + /// Retrieves an allocation that represents the contents of a vtable. /// Since this is a query, allocations are cached and not duplicated. pub(super) fn vtable_allocation_provider<'tcx>( @@ -63,6 +124,9 @@ pub(super) fn vtable_allocation_provider<'tcx>( TyCtxt::COMMON_VTABLE_ENTRIES }; + // This confirms that the layout computation for &dyn Trait has an accurate sizing. + assert!(vtable_entries.len() >= vtable_min_entries(tcx, poly_trait_ref)); + let layout = tcx .layout_of(ty::ParamEnv::reveal_all().and(ty)) .expect("failed to build vtable representation"); diff --git a/compiler/rustc_trait_selection/src/traits/object_safety.rs b/compiler/rustc_trait_selection/src/traits/object_safety.rs index f4051561dae4..fb46d4f14829 100644 --- a/compiler/rustc_trait_selection/src/traits/object_safety.rs +++ b/compiler/rustc_trait_selection/src/traits/object_safety.rs @@ -26,6 +26,7 @@ use rustc_middle::ty::{TypeVisitableExt, Upcast}; use rustc_session::lint::builtin::WHERE_CLAUSES_OBJECT_SAFETY; use rustc_span::symbol::Symbol; use rustc_span::Span; +use rustc_target::abi::Abi; use smallvec::SmallVec; use std::iter; @@ -145,6 +146,14 @@ fn object_safety_violations_for_trait( violations.push(ObjectSafetyViolation::SupertraitNonLifetimeBinder(spans)); } + if violations.is_empty() { + for item in tcx.associated_items(trait_def_id).in_definition_order() { + if let ty::AssocKind::Fn = item.kind { + check_receiver_correct(tcx, trait_def_id, *item); + } + } + } + debug!( "object_safety_violations_for_trait(trait_def_id={:?}) = {:?}", trait_def_id, violations @@ -493,59 +502,8 @@ fn virtual_call_violations_for_method<'tcx>( }; errors.push(MethodViolationCode::UndispatchableReceiver(span)); } else { - // Do sanity check to make sure the receiver actually has the layout of a pointer. - - use rustc_target::abi::Abi; - - let param_env = tcx.param_env(method.def_id); - - let abi_of_ty = |ty: Ty<'tcx>| -> Option { - match tcx.layout_of(param_env.and(ty)) { - Ok(layout) => Some(layout.abi), - Err(err) => { - // #78372 - tcx.dcx().span_delayed_bug( - tcx.def_span(method.def_id), - format!("error: {err}\n while computing layout for type {ty:?}"), - ); - None - } - } - }; - - // e.g., `Rc<()>` - let unit_receiver_ty = - receiver_for_self_ty(tcx, receiver_ty, tcx.types.unit, method.def_id); - - match abi_of_ty(unit_receiver_ty) { - Some(Abi::Scalar(..)) => (), - abi => { - tcx.dcx().span_delayed_bug( - tcx.def_span(method.def_id), - format!( - "receiver when `Self = ()` should have a Scalar ABI; found {abi:?}" - ), - ); - } - } - - let trait_object_ty = object_ty_for_trait(tcx, trait_def_id, tcx.lifetimes.re_static); - - // e.g., `Rc` - let trait_object_receiver = - receiver_for_self_ty(tcx, receiver_ty, trait_object_ty, method.def_id); - - match abi_of_ty(trait_object_receiver) { - Some(Abi::ScalarPair(..)) => (), - abi => { - tcx.dcx().span_delayed_bug( - tcx.def_span(method.def_id), - format!( - "receiver when `Self = {trait_object_ty}` should have a ScalarPair ABI; found {abi:?}" - ), - ); - } - } + // We confirm that the `receiver_is_dispatchable` is accurate later, + // see `check_receiver_correct`. It should be kept in sync with this code. } } @@ -606,6 +564,55 @@ fn virtual_call_violations_for_method<'tcx>( errors } +/// This code checks that `receiver_is_dispatchable` is correctly implemented. +/// +/// This check is outlined from the object safety check to avoid cycles with +/// layout computation, which relies on knowing whether methods are object safe. +pub fn check_receiver_correct<'tcx>(tcx: TyCtxt<'tcx>, trait_def_id: DefId, method: ty::AssocItem) { + if !is_vtable_safe_method(tcx, trait_def_id, method) { + return; + } + + let method_def_id = method.def_id; + let sig = tcx.fn_sig(method_def_id).instantiate_identity(); + let param_env = tcx.param_env(method_def_id); + let receiver_ty = tcx.liberate_late_bound_regions(method_def_id, sig.input(0)); + + if receiver_ty == tcx.types.self_param { + // Assumed OK, may change later if unsized_locals permits `self: Self` as dispatchable. + return; + } + + // e.g., `Rc<()>` + let unit_receiver_ty = receiver_for_self_ty(tcx, receiver_ty, tcx.types.unit, method_def_id); + match tcx.layout_of(param_env.and(unit_receiver_ty)).map(|l| l.abi) { + Ok(Abi::Scalar(..)) => (), + abi => { + tcx.dcx().span_delayed_bug( + tcx.def_span(method_def_id), + format!("receiver {unit_receiver_ty:?} when `Self = ()` should have a Scalar ABI; found {abi:?}"), + ); + } + } + + let trait_object_ty = object_ty_for_trait(tcx, trait_def_id, tcx.lifetimes.re_static); + + // e.g., `Rc` + let trait_object_receiver = + receiver_for_self_ty(tcx, receiver_ty, trait_object_ty, method_def_id); + match tcx.layout_of(param_env.and(trait_object_receiver)).map(|l| l.abi) { + Ok(Abi::ScalarPair(..)) => (), + abi => { + tcx.dcx().span_delayed_bug( + tcx.def_span(method_def_id), + format!( + "receiver {trait_object_receiver:?} when `Self = {trait_object_ty}` should have a ScalarPair ABI; found {abi:?}" + ), + ); + } + } +} + /// Performs a type instantiation to produce the version of `receiver_ty` when `Self = self_ty`. /// For example, for `receiver_ty = Rc` and `self_ty = Foo`, returns `Rc`. fn receiver_for_self_ty<'tcx>( diff --git a/tests/debuginfo/unsized.rs b/tests/debuginfo/unsized.rs index f76376de3836..982ab003a2a1 100644 --- a/tests/debuginfo/unsized.rs +++ b/tests/debuginfo/unsized.rs @@ -46,13 +46,13 @@ // cdb-command:dx c // cdb-check:c [Type: ref$ > >] // cdb-check: [+0x000] pointer : 0x[...] [Type: unsized::Foo > *] -// cdb-check: [...] vtable : 0x[...] [Type: unsigned [...]int[...] (*)[3]] +// cdb-check: [...] vtable : 0x[...] [Type: unsigned [...]int[...] (*)[4]] // cdb-command:dx _box // cdb-check: // cdb-check:_box [Type: alloc::boxed::Box >,alloc::alloc::Global>] // cdb-check:[+0x000] pointer : 0x[...] [Type: unsized::Foo > *] -// cdb-check:[...] vtable : 0x[...] [Type: unsigned [...]int[...] (*)[3]] +// cdb-check:[...] vtable : 0x[...] [Type: unsigned [...]int[...] (*)[4]] // cdb-command:dx tuple_slice // cdb-check:tuple_slice [Type: ref$ > >] @@ -62,7 +62,7 @@ // cdb-command:dx tuple_dyn // cdb-check:tuple_dyn [Type: ref$ > >] // cdb-check: [+0x000] pointer : 0x[...] [Type: tuple$ > *] -// cdb-check: [...] vtable : 0x[...] [Type: unsigned [...]int[...] (*)[3]] +// cdb-check: [...] vtable : 0x[...] [Type: unsigned [...]int[...] (*)[4]] #![feature(unsized_tuple_coercion)] #![feature(omit_gdb_pretty_printer_section)] From 4aa20d2e951d764c0345c5635daa0c9f0841dcd3 Mon Sep 17 00:00:00 2001 From: y21 <30553356+y21@users.noreply.github.com> Date: Sat, 1 Jun 2024 13:44:13 +0200 Subject: [PATCH 0835/1716] deprecate `maybe_misused_cfg` --- clippy_lints/src/attrs/maybe_misused_cfg.rs | 51 -------------------- clippy_lints/src/attrs/mod.rs | 35 -------------- clippy_lints/src/declared_lints.rs | 1 - clippy_lints/src/deprecated_lints.rs | 13 +++++ clippy_lints/src/lib.deprecated.rs | 4 ++ tests/ui/cfg_features.fixed | 29 ----------- tests/ui/cfg_features.rs | 29 ----------- tests/ui/cfg_features.stderr | 53 --------------------- tests/ui/deprecated.rs | 1 + tests/ui/deprecated.stderr | 8 +++- tests/ui/unnecessary_clippy_cfg.rs | 8 ++-- tests/ui/unnecessary_clippy_cfg.stderr | 28 +++++------ 12 files changed, 43 insertions(+), 217 deletions(-) delete mode 100644 clippy_lints/src/attrs/maybe_misused_cfg.rs delete mode 100644 tests/ui/cfg_features.fixed delete mode 100644 tests/ui/cfg_features.rs delete mode 100644 tests/ui/cfg_features.stderr diff --git a/clippy_lints/src/attrs/maybe_misused_cfg.rs b/clippy_lints/src/attrs/maybe_misused_cfg.rs deleted file mode 100644 index e6b2e835be86..000000000000 --- a/clippy_lints/src/attrs/maybe_misused_cfg.rs +++ /dev/null @@ -1,51 +0,0 @@ -use super::{Attribute, MAYBE_MISUSED_CFG}; -use clippy_utils::diagnostics::span_lint_and_sugg; -use rustc_ast::{MetaItemKind, NestedMetaItem}; -use rustc_errors::Applicability; -use rustc_lint::EarlyContext; -use rustc_span::sym; - -pub(super) fn check(cx: &EarlyContext<'_>, attr: &Attribute) { - if attr.has_name(sym::cfg) - && let Some(items) = attr.meta_item_list() - { - check_nested_misused_cfg(cx, &items); - } -} - -fn check_nested_misused_cfg(cx: &EarlyContext<'_>, items: &[NestedMetaItem]) { - for item in items { - if let NestedMetaItem::MetaItem(meta) = item { - if let Some(ident) = meta.ident() - && ident.name.as_str() == "features" - && let Some(val) = meta.value_str() - { - span_lint_and_sugg( - cx, - MAYBE_MISUSED_CFG, - meta.span, - "'feature' may be misspelled as 'features'", - "did you mean", - format!("feature = \"{val}\""), - Applicability::MaybeIncorrect, - ); - } - if let MetaItemKind::List(list) = &meta.kind { - check_nested_misused_cfg(cx, list); - // If this is not a list, then we check for `cfg(test)`. - } else if let Some(ident) = meta.ident() - && matches!(ident.name.as_str(), "tests" | "Test") - { - span_lint_and_sugg( - cx, - MAYBE_MISUSED_CFG, - meta.span, - format!("'test' may be misspelled as '{}'", ident.name.as_str()), - "did you mean", - "test".to_string(), - Applicability::MaybeIncorrect, - ); - } - } - } -} diff --git a/clippy_lints/src/attrs/mod.rs b/clippy_lints/src/attrs/mod.rs index a24bd5ed44be..764ad497dfe2 100644 --- a/clippy_lints/src/attrs/mod.rs +++ b/clippy_lints/src/attrs/mod.rs @@ -7,7 +7,6 @@ mod deprecated_semver; mod duplicated_attributes; mod empty_line_after; mod inline_always; -mod maybe_misused_cfg; mod mismatched_target_os; mod mixed_attributes_style; mod non_minimal_cfg; @@ -391,38 +390,6 @@ declare_clippy_lint! { "ensure that all `cfg(any())` and `cfg(all())` have more than one condition" } -declare_clippy_lint! { - /// ### What it does - /// Checks for `#[cfg(features = "...")]` and suggests to replace it with - /// `#[cfg(feature = "...")]`. - /// - /// It also checks if `cfg(test)` was misspelled. - /// - /// ### Why is this bad? - /// Misspelling `feature` as `features` or `test` as `tests` can be sometimes hard to spot. It - /// may cause conditional compilation not work quietly. - /// - /// ### Example - /// ```no_run - /// #[cfg(features = "some-feature")] - /// fn conditional() { } - /// #[cfg(tests)] - /// mod tests { } - /// ``` - /// - /// Use instead: - /// ```no_run - /// #[cfg(feature = "some-feature")] - /// fn conditional() { } - /// #[cfg(test)] - /// mod tests { } - /// ``` - #[clippy::version = "1.69.0"] - pub MAYBE_MISUSED_CFG, - suspicious, - "prevent from misusing the wrong attr name" -} - declare_clippy_lint! { /// ### What it does /// Checks for `#[cfg_attr(feature = "cargo-clippy", ...)]` and for @@ -616,7 +583,6 @@ impl_lint_pass!(EarlyAttributes => [ EMPTY_LINE_AFTER_OUTER_ATTR, EMPTY_LINE_AFTER_DOC_COMMENTS, NON_MINIMAL_CFG, - MAYBE_MISUSED_CFG, DEPRECATED_CLIPPY_CFG_ATTR, UNNECESSARY_CLIPPY_CFG, ]); @@ -631,7 +597,6 @@ impl EarlyLintPass for EarlyAttributes { deprecated_cfg_attr::check_clippy(cx, attr); mismatched_target_os::check(cx, attr); non_minimal_cfg::check(cx, attr); - maybe_misused_cfg::check(cx, attr); } extract_msrv_attr!(EarlyContext); diff --git a/clippy_lints/src/declared_lints.rs b/clippy_lints/src/declared_lints.rs index df2ef465700d..a8d5004c3e22 100644 --- a/clippy_lints/src/declared_lints.rs +++ b/clippy_lints/src/declared_lints.rs @@ -58,7 +58,6 @@ pub(crate) static LINTS: &[&crate::LintInfo] = &[ crate::attrs::EMPTY_LINE_AFTER_DOC_COMMENTS_INFO, crate::attrs::EMPTY_LINE_AFTER_OUTER_ATTR_INFO, crate::attrs::INLINE_ALWAYS_INFO, - crate::attrs::MAYBE_MISUSED_CFG_INFO, crate::attrs::MISMATCHED_TARGET_OS_INFO, crate::attrs::MIXED_ATTRIBUTES_STYLE_INFO, crate::attrs::NON_MINIMAL_CFG_INFO, diff --git a/clippy_lints/src/deprecated_lints.rs b/clippy_lints/src/deprecated_lints.rs index 9aa5af3190fb..4c5d3f9d9eed 100644 --- a/clippy_lints/src/deprecated_lints.rs +++ b/clippy_lints/src/deprecated_lints.rs @@ -215,3 +215,16 @@ declare_deprecated_lint! { pub WRONG_PUB_SELF_CONVENTION, "set the `avoid-breaking-exported-api` config option to `false` to enable the `wrong_self_convention` lint for public items" } + +declare_deprecated_lint! { + /// ### What it does + /// Nothing. This lint has been deprecated. + /// + /// ### Deprecation reason + /// This lint has been superseded by rustc's own [`unexpected_cfgs`] lint that is able to detect the `#[cfg(features)]` and `#[cfg(tests)]` typos. + /// + /// [`unexpected_cfgs`]: https://doc.rust-lang.org/rustc/lints/listing/warn-by-default.html#unexpected-cfgs + #[clippy::version = "1.80.0"] + pub MAYBE_MISUSED_CFG, + "this lint has been replaced by `unexpected_cfgs`" +} diff --git a/clippy_lints/src/lib.deprecated.rs b/clippy_lints/src/lib.deprecated.rs index 80bde1b11384..01a23a032aa8 100644 --- a/clippy_lints/src/lib.deprecated.rs +++ b/clippy_lints/src/lib.deprecated.rs @@ -67,4 +67,8 @@ "clippy::wrong_pub_self_convention", "set the `avoid-breaking-exported-api` config option to `false` to enable the `wrong_self_convention` lint for public items", ); + store.register_removed( + "clippy::maybe_misused_cfg", + "this lint has been replaced by `unexpected_cfgs`", + ); } diff --git a/tests/ui/cfg_features.fixed b/tests/ui/cfg_features.fixed deleted file mode 100644 index 0fe38f169f9c..000000000000 --- a/tests/ui/cfg_features.fixed +++ /dev/null @@ -1,29 +0,0 @@ -#![warn(clippy::maybe_misused_cfg)] - -fn main() { - #[cfg(feature = "not-really-a-feature")] - //~^ ERROR: 'feature' may be misspelled as 'features' - //~| NOTE: `-D clippy::maybe-misused-cfg` implied by `-D warnings` - let _ = 1 + 2; - - #[cfg(all(feature = "right", feature = "wrong"))] - //~^ ERROR: 'feature' may be misspelled as 'features' - let _ = 1 + 2; - - #[cfg(all(feature = "wrong1", any(feature = "right", feature = "wrong2", feature, features)))] - //~^ ERROR: 'feature' may be misspelled as 'features' - //~| ERROR: 'feature' may be misspelled as 'features' - let _ = 1 + 2; - - #[cfg(test)] - //~^ ERROR: 'test' may be misspelled as 'tests' - let _ = 2; - #[cfg(test)] - //~^ ERROR: 'test' may be misspelled as 'Test' - let _ = 2; - - #[cfg(all(test, test))] - //~^ ERROR: 'test' may be misspelled as 'tests' - //~| ERROR: 'test' may be misspelled as 'Test' - let _ = 2; -} diff --git a/tests/ui/cfg_features.rs b/tests/ui/cfg_features.rs deleted file mode 100644 index 9c0db035eac4..000000000000 --- a/tests/ui/cfg_features.rs +++ /dev/null @@ -1,29 +0,0 @@ -#![warn(clippy::maybe_misused_cfg)] - -fn main() { - #[cfg(features = "not-really-a-feature")] - //~^ ERROR: 'feature' may be misspelled as 'features' - //~| NOTE: `-D clippy::maybe-misused-cfg` implied by `-D warnings` - let _ = 1 + 2; - - #[cfg(all(feature = "right", features = "wrong"))] - //~^ ERROR: 'feature' may be misspelled as 'features' - let _ = 1 + 2; - - #[cfg(all(features = "wrong1", any(feature = "right", features = "wrong2", feature, features)))] - //~^ ERROR: 'feature' may be misspelled as 'features' - //~| ERROR: 'feature' may be misspelled as 'features' - let _ = 1 + 2; - - #[cfg(tests)] - //~^ ERROR: 'test' may be misspelled as 'tests' - let _ = 2; - #[cfg(Test)] - //~^ ERROR: 'test' may be misspelled as 'Test' - let _ = 2; - - #[cfg(all(tests, Test))] - //~^ ERROR: 'test' may be misspelled as 'tests' - //~| ERROR: 'test' may be misspelled as 'Test' - let _ = 2; -} diff --git a/tests/ui/cfg_features.stderr b/tests/ui/cfg_features.stderr deleted file mode 100644 index d576271f1a29..000000000000 --- a/tests/ui/cfg_features.stderr +++ /dev/null @@ -1,53 +0,0 @@ -error: 'feature' may be misspelled as 'features' - --> tests/ui/cfg_features.rs:4:11 - | -LL | #[cfg(features = "not-really-a-feature")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: did you mean: `feature = "not-really-a-feature"` - | - = note: `-D clippy::maybe-misused-cfg` implied by `-D warnings` - = help: to override `-D warnings` add `#[allow(clippy::maybe_misused_cfg)]` - -error: 'feature' may be misspelled as 'features' - --> tests/ui/cfg_features.rs:9:34 - | -LL | #[cfg(all(feature = "right", features = "wrong"))] - | ^^^^^^^^^^^^^^^^^^ help: did you mean: `feature = "wrong"` - -error: 'feature' may be misspelled as 'features' - --> tests/ui/cfg_features.rs:13:15 - | -LL | #[cfg(all(features = "wrong1", any(feature = "right", features = "wrong2", feature, features)))] - | ^^^^^^^^^^^^^^^^^^^ help: did you mean: `feature = "wrong1"` - -error: 'feature' may be misspelled as 'features' - --> tests/ui/cfg_features.rs:13:59 - | -LL | #[cfg(all(features = "wrong1", any(feature = "right", features = "wrong2", feature, features)))] - | ^^^^^^^^^^^^^^^^^^^ help: did you mean: `feature = "wrong2"` - -error: 'test' may be misspelled as 'tests' - --> tests/ui/cfg_features.rs:18:11 - | -LL | #[cfg(tests)] - | ^^^^^ help: did you mean: `test` - -error: 'test' may be misspelled as 'Test' - --> tests/ui/cfg_features.rs:21:11 - | -LL | #[cfg(Test)] - | ^^^^ help: did you mean: `test` - -error: 'test' may be misspelled as 'tests' - --> tests/ui/cfg_features.rs:25:15 - | -LL | #[cfg(all(tests, Test))] - | ^^^^^ help: did you mean: `test` - -error: 'test' may be misspelled as 'Test' - --> tests/ui/cfg_features.rs:25:22 - | -LL | #[cfg(all(tests, Test))] - | ^^^^ help: did you mean: `test` - -error: aborting due to 8 previous errors - diff --git a/tests/ui/deprecated.rs b/tests/ui/deprecated.rs index 07270bd76362..178bd2f3b66b 100644 --- a/tests/ui/deprecated.rs +++ b/tests/ui/deprecated.rs @@ -18,5 +18,6 @@ #![warn(clippy::filter_map)] #![warn(clippy::pub_enum_variant_names)] #![warn(clippy::wrong_pub_self_convention)] +#![warn(clippy::maybe_misused_cfg)] fn main() {} diff --git a/tests/ui/deprecated.stderr b/tests/ui/deprecated.stderr index a9cf04bea525..39a2278d8a66 100644 --- a/tests/ui/deprecated.stderr +++ b/tests/ui/deprecated.stderr @@ -97,5 +97,11 @@ error: lint `clippy::wrong_pub_self_convention` has been removed: set the `avoid LL | #![warn(clippy::wrong_pub_self_convention)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: aborting due to 16 previous errors +error: lint `clippy::maybe_misused_cfg` has been removed: this lint has been replaced by `unexpected_cfgs` + --> tests/ui/deprecated.rs:21:9 + | +LL | #![warn(clippy::maybe_misused_cfg)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 17 previous errors diff --git a/tests/ui/unnecessary_clippy_cfg.rs b/tests/ui/unnecessary_clippy_cfg.rs index ff960520f5e7..9915f8b843ef 100644 --- a/tests/ui/unnecessary_clippy_cfg.rs +++ b/tests/ui/unnecessary_clippy_cfg.rs @@ -5,18 +5,18 @@ //~^ ERROR: no need to put clippy lints behind a `clippy` cfg #![cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg))] //~^ ERROR: no need to put clippy lints behind a `clippy` cfg -#![cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg, clippy::maybe_misused_cfg))] +#![cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg))] //~^ ERROR: no need to put clippy lints behind a `clippy` cfg -#![cfg_attr(clippy, deny(clippy::non_minimal_cfg, clippy::maybe_misused_cfg))] +#![cfg_attr(clippy, deny(clippy::non_minimal_cfg))] //~^ ERROR: no need to put clippy lints behind a `clippy` cfg #[cfg_attr(clippy, deny(clippy::non_minimal_cfg))] //~^ ERROR: no need to put clippy lints behind a `clippy` cfg #[cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg))] //~^ ERROR: no need to put clippy lints behind a `clippy` cfg -#[cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg, clippy::maybe_misused_cfg))] +#[cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg))] //~^ ERROR: no need to put clippy lints behind a `clippy` cfg -#[cfg_attr(clippy, deny(clippy::non_minimal_cfg, clippy::maybe_misused_cfg))] +#[cfg_attr(clippy, deny(clippy::non_minimal_cfg))] //~^ ERROR: no need to put clippy lints behind a `clippy` cfg pub struct Bar; diff --git a/tests/ui/unnecessary_clippy_cfg.stderr b/tests/ui/unnecessary_clippy_cfg.stderr index 3d58c9eb5dae..16a861652956 100644 --- a/tests/ui/unnecessary_clippy_cfg.stderr +++ b/tests/ui/unnecessary_clippy_cfg.stderr @@ -18,16 +18,16 @@ LL | #[cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg))] error: no need to put clippy lints behind a `clippy` cfg --> tests/ui/unnecessary_clippy_cfg.rs:17:36 | -LL | #[cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg, clippy::maybe_misused_cfg))] - | ^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg))] + | ^^^^^^^^^^^^^^^^^^^^^^^ | - = note: write instead: `#[deny(clippy::non_minimal_cfg,clippy::maybe_misused_cfg)]` + = note: write instead: `#[deny(clippy::non_minimal_cfg)]` error: no need to put clippy lints behind a `clippy` cfg --> tests/ui/unnecessary_clippy_cfg.rs:19:1 | -LL | #[cfg_attr(clippy, deny(clippy::non_minimal_cfg, clippy::maybe_misused_cfg))] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `#[deny(clippy::non_minimal_cfg, clippy::maybe_misused_cfg)]` +LL | #[cfg_attr(clippy, deny(clippy::non_minimal_cfg))] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `#[deny(clippy::non_minimal_cfg)]` error: no need to put clippy lints behind a `clippy` cfg --> tests/ui/unnecessary_clippy_cfg.rs:4:1 @@ -46,21 +46,21 @@ LL | #![cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg))] error: no need to put clippy lints behind a `clippy` cfg --> tests/ui/unnecessary_clippy_cfg.rs:8:37 | -LL | #![cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg, clippy::maybe_misused_cfg))] - | ^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #![cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg))] + | ^^^^^^^^^^^^^^^^^^^^^^^ | - = note: write instead: `#![deny(clippy::non_minimal_cfg,clippy::maybe_misused_cfg)]` + = note: write instead: `#![deny(clippy::non_minimal_cfg)]` error: no need to put clippy lints behind a `clippy` cfg --> tests/ui/unnecessary_clippy_cfg.rs:10:1 | -LL | #![cfg_attr(clippy, deny(clippy::non_minimal_cfg, clippy::maybe_misused_cfg))] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `#![deny(clippy::non_minimal_cfg, clippy::maybe_misused_cfg)]` +LL | #![cfg_attr(clippy, deny(clippy::non_minimal_cfg))] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `#![deny(clippy::non_minimal_cfg)]` error: duplicated attribute --> tests/ui/unnecessary_clippy_cfg.rs:8:26 | -LL | #![cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg, clippy::maybe_misused_cfg))] +LL | #![cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg))] | ^^^^^^^^^ | note: first defined here @@ -71,7 +71,7 @@ LL | #![cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg))] help: remove this attribute --> tests/ui/unnecessary_clippy_cfg.rs:8:26 | -LL | #![cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg, clippy::maybe_misused_cfg))] +LL | #![cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg))] | ^^^^^^^^^ = note: `-D clippy::duplicated-attributes` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::duplicated_attributes)]` @@ -79,7 +79,7 @@ LL | #![cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg, clippy::maybe_ error: duplicated attribute --> tests/ui/unnecessary_clippy_cfg.rs:17:25 | -LL | #[cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg, clippy::maybe_misused_cfg))] +LL | #[cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg))] | ^^^^^^^^^ | note: first defined here @@ -90,7 +90,7 @@ LL | #[cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg))] help: remove this attribute --> tests/ui/unnecessary_clippy_cfg.rs:17:25 | -LL | #[cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg, clippy::maybe_misused_cfg))] +LL | #[cfg_attr(clippy, deny(dead_code, clippy::non_minimal_cfg))] | ^^^^^^^^^ error: aborting due to 10 previous errors From 95e073234ff513375879e898fecb5ba727f8cee5 Mon Sep 17 00:00:00 2001 From: Mark Rousskov Date: Sat, 27 Apr 2024 13:58:37 -0400 Subject: [PATCH 0836/1716] Deduplicate supertrait_def_ids code --- .../rustc_hir_analysis/src/coherence/mod.rs | 3 +- compiler/rustc_middle/src/ty/vtable.rs | 22 +++++------ .../src/solve/trait_goals.rs | 5 +-- .../rustc_trait_selection/src/traits/mod.rs | 5 +-- .../src/traits/object_safety.rs | 5 ++- .../src/traits/select/candidate_assembly.rs | 3 +- .../src/traits/select/mod.rs | 3 +- .../rustc_trait_selection/src/traits/util.rs | 39 +------------------ src/tools/clippy/clippy_lints/src/len_zero.rs | 2 +- 9 files changed, 22 insertions(+), 65 deletions(-) diff --git a/compiler/rustc_hir_analysis/src/coherence/mod.rs b/compiler/rustc_hir_analysis/src/coherence/mod.rs index 054a3af212a5..480318acca8e 100644 --- a/compiler/rustc_hir_analysis/src/coherence/mod.rs +++ b/compiler/rustc_hir_analysis/src/coherence/mod.rs @@ -12,7 +12,6 @@ use rustc_middle::query::Providers; use rustc_middle::ty::{self, TyCtxt, TypeVisitableExt}; use rustc_session::parse::feature_err; use rustc_span::{sym, ErrorGuaranteed}; -use rustc_trait_selection::traits; mod builtin; mod inherent_impls; @@ -199,7 +198,7 @@ fn check_object_overlap<'tcx>( // With the feature enabled, the trait is not implemented automatically, // so this is valid. } else { - let mut supertrait_def_ids = traits::supertrait_def_ids(tcx, component_def_id); + let mut supertrait_def_ids = tcx.supertrait_def_ids(component_def_id); if supertrait_def_ids.any(|d| d == trait_def_id) { let span = tcx.def_span(impl_def_id); return Err(struct_span_code_err!( diff --git a/compiler/rustc_middle/src/ty/vtable.rs b/compiler/rustc_middle/src/ty/vtable.rs index 092451b80aa5..dc3c84f9e439 100644 --- a/compiler/rustc_middle/src/ty/vtable.rs +++ b/compiler/rustc_middle/src/ty/vtable.rs @@ -42,28 +42,26 @@ impl<'tcx> fmt::Debug for VtblEntry<'tcx> { impl<'tcx> TyCtxt<'tcx> { pub const COMMON_VTABLE_ENTRIES: &'tcx [VtblEntry<'tcx>] = &[VtblEntry::MetadataDropInPlace, VtblEntry::MetadataSize, VtblEntry::MetadataAlign]; + + pub fn supertrait_def_ids(self, trait_def_id: DefId) -> SupertraitDefIds<'tcx> { + SupertraitDefIds { + tcx: self, + stack: vec![trait_def_id], + visited: Some(trait_def_id).into_iter().collect(), + } + } } pub const COMMON_VTABLE_ENTRIES_DROPINPLACE: usize = 0; pub const COMMON_VTABLE_ENTRIES_SIZE: usize = 1; pub const COMMON_VTABLE_ENTRIES_ALIGN: usize = 2; -// FIXME: This is duplicating equivalent code in compiler/rustc_trait_selection/src/traits/util.rs -// But that is a downstream crate, and this code is pretty simple. Probably OK for now. -struct SupertraitDefIds<'tcx> { +pub struct SupertraitDefIds<'tcx> { tcx: TyCtxt<'tcx>, stack: Vec, visited: FxHashSet, } -fn supertrait_def_ids(tcx: TyCtxt<'_>, trait_def_id: DefId) -> SupertraitDefIds<'_> { - SupertraitDefIds { - tcx, - stack: vec![trait_def_id], - visited: Some(trait_def_id).into_iter().collect(), - } -} - impl Iterator for SupertraitDefIds<'_> { type Item = DefId; @@ -100,7 +98,7 @@ pub(crate) fn vtable_min_entries<'tcx>( }; // This includes self in supertraits. - for def_id in supertrait_def_ids(tcx, trait_ref.def_id()) { + for def_id in tcx.supertrait_def_ids(trait_ref.def_id()) { count += tcx.own_existential_vtable_entries(def_id).len(); } diff --git a/compiler/rustc_trait_selection/src/solve/trait_goals.rs b/compiler/rustc_trait_selection/src/solve/trait_goals.rs index 67dd3fa85fa1..e93d5c96b880 100644 --- a/compiler/rustc_trait_selection/src/solve/trait_goals.rs +++ b/compiler/rustc_trait_selection/src/solve/trait_goals.rs @@ -1,7 +1,5 @@ //! Dealing with trait goals, i.e. `T: Trait<'a, U>`. -use crate::traits::supertrait_def_ids; - use super::assembly::structural_traits::AsyncCallableRelevantTypes; use super::assembly::{self, structural_traits, Candidate}; use super::{EvalCtxt, GoalSource, SolverMode}; @@ -837,7 +835,8 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { let a_auto_traits: FxIndexSet = a_data .auto_traits() .chain(a_data.principal_def_id().into_iter().flat_map(|principal_def_id| { - supertrait_def_ids(self.interner(), principal_def_id) + self.interner() + .supertrait_def_ids(principal_def_id) .filter(|def_id| self.interner().trait_is_auto(*def_id)) })) .collect(); diff --git a/compiler/rustc_trait_selection/src/traits/mod.rs b/compiler/rustc_trait_selection/src/traits/mod.rs index ab4d06f26603..786ab091e915 100644 --- a/compiler/rustc_trait_selection/src/traits/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/mod.rs @@ -65,10 +65,7 @@ pub use self::structural_normalize::StructurallyNormalizeExt; pub use self::util::elaborate; pub use self::util::{expand_trait_aliases, TraitAliasExpander, TraitAliasExpansionInfo}; pub use self::util::{get_vtable_index_of_object_method, impl_item_is_final, upcast_choices}; -pub use self::util::{ - supertrait_def_ids, supertraits, transitive_bounds, transitive_bounds_that_define_assoc_item, - SupertraitDefIds, -}; +pub use self::util::{supertraits, transitive_bounds, transitive_bounds_that_define_assoc_item}; pub use self::util::{with_replaced_escaping_bound_vars, BoundVarReplacer, PlaceholderReplacer}; pub use rustc_infer::traits::*; diff --git a/compiler/rustc_trait_selection/src/traits/object_safety.rs b/compiler/rustc_trait_selection/src/traits/object_safety.rs index fb46d4f14829..0f32b6ef9e39 100644 --- a/compiler/rustc_trait_selection/src/traits/object_safety.rs +++ b/compiler/rustc_trait_selection/src/traits/object_safety.rs @@ -45,7 +45,8 @@ pub fn hir_ty_lowering_object_safety_violations( trait_def_id: DefId, ) -> Vec { debug_assert!(tcx.generics_of(trait_def_id).has_self); - let violations = traits::supertrait_def_ids(tcx, trait_def_id) + let violations = tcx + .supertrait_def_ids(trait_def_id) .map(|def_id| predicates_reference_self(tcx, def_id, true)) .filter(|spans| !spans.is_empty()) .map(ObjectSafetyViolation::SupertraitSelf) @@ -59,7 +60,7 @@ fn object_safety_violations(tcx: TyCtxt<'_>, trait_def_id: DefId) -> &'_ [Object debug!("object_safety_violations: {:?}", trait_def_id); tcx.arena.alloc_from_iter( - traits::supertrait_def_ids(tcx, trait_def_id) + tcx.supertrait_def_ids(trait_def_id) .flat_map(|def_id| object_safety_violations_for_trait(tcx, def_id)), ) } diff --git a/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs b/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs index fd7c47ad6fb3..d513a5d2996c 100644 --- a/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs +++ b/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs @@ -1004,7 +1004,8 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { let a_auto_traits: FxIndexSet = a_data .auto_traits() .chain(principal_def_id_a.into_iter().flat_map(|principal_def_id| { - util::supertrait_def_ids(self.tcx(), principal_def_id) + self.tcx() + .supertrait_def_ids(principal_def_id) .filter(|def_id| self.tcx().trait_is_auto(*def_id)) })) .collect(); diff --git a/compiler/rustc_trait_selection/src/traits/select/mod.rs b/compiler/rustc_trait_selection/src/traits/select/mod.rs index 92c0c37d0c37..dcb0875639fc 100644 --- a/compiler/rustc_trait_selection/src/traits/select/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/select/mod.rs @@ -2591,8 +2591,7 @@ impl<'tcx> SelectionContext<'_, 'tcx> { let a_auto_traits: FxIndexSet = a_data .auto_traits() .chain(a_data.principal_def_id().into_iter().flat_map(|principal_def_id| { - util::supertrait_def_ids(tcx, principal_def_id) - .filter(|def_id| tcx.trait_is_auto(*def_id)) + tcx.supertrait_def_ids(principal_def_id).filter(|def_id| tcx.trait_is_auto(*def_id)) })) .collect(); diff --git a/compiler/rustc_trait_selection/src/traits/util.rs b/compiler/rustc_trait_selection/src/traits/util.rs index 445fa1761b9f..213b412e8676 100644 --- a/compiler/rustc_trait_selection/src/traits/util.rs +++ b/compiler/rustc_trait_selection/src/traits/util.rs @@ -2,7 +2,7 @@ use std::collections::BTreeMap; use super::NormalizeExt; use super::{ObligationCause, PredicateObligation, SelectionContext}; -use rustc_data_structures::fx::{FxHashSet, FxIndexMap}; +use rustc_data_structures::fx::FxIndexMap; use rustc_errors::Diag; use rustc_hir::def_id::DefId; use rustc_infer::infer::{InferCtxt, InferOk}; @@ -161,43 +161,6 @@ impl<'tcx> Iterator for TraitAliasExpander<'tcx> { } } -/////////////////////////////////////////////////////////////////////////// -// Iterator over def-IDs of supertraits -/////////////////////////////////////////////////////////////////////////// - -pub struct SupertraitDefIds<'tcx> { - tcx: TyCtxt<'tcx>, - stack: Vec, - visited: FxHashSet, -} - -pub fn supertrait_def_ids(tcx: TyCtxt<'_>, trait_def_id: DefId) -> SupertraitDefIds<'_> { - SupertraitDefIds { - tcx, - stack: vec![trait_def_id], - visited: Some(trait_def_id).into_iter().collect(), - } -} - -impl Iterator for SupertraitDefIds<'_> { - type Item = DefId; - - fn next(&mut self) -> Option { - let def_id = self.stack.pop()?; - let predicates = self.tcx.super_predicates_of(def_id); - let visited = &mut self.visited; - self.stack.extend( - predicates - .predicates - .iter() - .filter_map(|(pred, _)| pred.as_trait_clause()) - .map(|trait_ref| trait_ref.def_id()) - .filter(|&super_def_id| visited.insert(super_def_id)), - ); - Some(def_id) - } -} - /////////////////////////////////////////////////////////////////////////// // Other /////////////////////////////////////////////////////////////////////////// diff --git a/src/tools/clippy/clippy_lints/src/len_zero.rs b/src/tools/clippy/clippy_lints/src/len_zero.rs index 2091e74665fb..57e0a7aa2c7e 100644 --- a/src/tools/clippy/clippy_lints/src/len_zero.rs +++ b/src/tools/clippy/clippy_lints/src/len_zero.rs @@ -253,7 +253,7 @@ fn check_trait_items(cx: &LateContext<'_>, visited_trait: &Item<'_>, trait_items // fill the set with current and super traits fn fill_trait_set(traitt: DefId, set: &mut DefIdSet, cx: &LateContext<'_>) { if set.insert(traitt) { - for supertrait in rustc_trait_selection::traits::supertrait_def_ids(cx.tcx, traitt) { + for supertrait in cx.tcx.supertrait_def_ids(traitt) { fill_trait_set(supertrait, set, cx); } } From 2334264463eee8aab8c4ebd642f80131d60603b8 Mon Sep 17 00:00:00 2001 From: Mark Rousskov Date: Sat, 27 Apr 2024 13:58:37 -0400 Subject: [PATCH 0837/1716] Deduplicate supertrait_def_ids code --- clippy_lints/src/len_zero.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/clippy_lints/src/len_zero.rs b/clippy_lints/src/len_zero.rs index 2091e74665fb..57e0a7aa2c7e 100644 --- a/clippy_lints/src/len_zero.rs +++ b/clippy_lints/src/len_zero.rs @@ -253,7 +253,7 @@ fn check_trait_items(cx: &LateContext<'_>, visited_trait: &Item<'_>, trait_items // fill the set with current and super traits fn fill_trait_set(traitt: DefId, set: &mut DefIdSet, cx: &LateContext<'_>) { if set.insert(traitt) { - for supertrait in rustc_trait_selection::traits::supertrait_def_ids(cx.tcx, traitt) { + for supertrait in cx.tcx.supertrait_def_ids(traitt) { fill_trait_set(supertrait, set, cx); } } From f950961c4270e9954e9c087417b53ab25b9ab48d Mon Sep 17 00:00:00 2001 From: y21 <30553356+y21@users.noreply.github.com> Date: Sat, 1 Jun 2024 14:11:07 +0200 Subject: [PATCH 0838/1716] deprecate `mismatched_target_os` --- .../src/attrs/mismatched_target_os.rs | 90 --------- clippy_lints/src/attrs/mod.rs | 36 ---- clippy_lints/src/declared_lints.rs | 1 - clippy_lints/src/deprecated_lints.rs | 13 ++ clippy_lints/src/lib.deprecated.rs | 4 + tests/ui/deprecated.rs | 1 + tests/ui/deprecated.stderr | 8 +- tests/ui/mismatched_target_os_non_unix.fixed | 25 --- tests/ui/mismatched_target_os_non_unix.rs | 25 --- tests/ui/mismatched_target_os_non_unix.stderr | 37 ---- tests/ui/mismatched_target_os_unix.fixed | 60 ------ tests/ui/mismatched_target_os_unix.rs | 60 ------ tests/ui/mismatched_target_os_unix.stderr | 184 ------------------ 13 files changed, 25 insertions(+), 519 deletions(-) delete mode 100644 clippy_lints/src/attrs/mismatched_target_os.rs delete mode 100644 tests/ui/mismatched_target_os_non_unix.fixed delete mode 100644 tests/ui/mismatched_target_os_non_unix.rs delete mode 100644 tests/ui/mismatched_target_os_non_unix.stderr delete mode 100644 tests/ui/mismatched_target_os_unix.fixed delete mode 100644 tests/ui/mismatched_target_os_unix.rs delete mode 100644 tests/ui/mismatched_target_os_unix.stderr diff --git a/clippy_lints/src/attrs/mismatched_target_os.rs b/clippy_lints/src/attrs/mismatched_target_os.rs deleted file mode 100644 index b1cc0a763c5e..000000000000 --- a/clippy_lints/src/attrs/mismatched_target_os.rs +++ /dev/null @@ -1,90 +0,0 @@ -use super::{Attribute, MISMATCHED_TARGET_OS}; -use clippy_utils::diagnostics::span_lint_and_then; -use rustc_ast::{MetaItemKind, NestedMetaItem}; -use rustc_errors::Applicability; -use rustc_lint::EarlyContext; -use rustc_span::{sym, Span}; - -static UNIX_SYSTEMS: &[&str] = &[ - "android", - "dragonfly", - "emscripten", - "freebsd", - "fuchsia", - "haiku", - "illumos", - "ios", - "l4re", - "linux", - "macos", - "netbsd", - "openbsd", - "redox", - "solaris", - "vxworks", -]; - -// NOTE: windows is excluded from the list because it's also a valid target family. -static NON_UNIX_SYSTEMS: &[&str] = &["hermit", "none", "wasi"]; - -pub(super) fn check(cx: &EarlyContext<'_>, attr: &Attribute) { - fn find_os(name: &str) -> Option<&'static str> { - UNIX_SYSTEMS - .iter() - .chain(NON_UNIX_SYSTEMS.iter()) - .find(|&&os| os == name) - .copied() - } - - fn is_unix(name: &str) -> bool { - UNIX_SYSTEMS.iter().any(|&os| os == name) - } - - fn find_mismatched_target_os(items: &[NestedMetaItem]) -> Vec<(&str, Span)> { - let mut mismatched = Vec::new(); - - for item in items { - if let NestedMetaItem::MetaItem(meta) = item { - match &meta.kind { - MetaItemKind::List(list) => { - mismatched.extend(find_mismatched_target_os(list)); - }, - MetaItemKind::Word => { - if let Some(ident) = meta.ident() - && let Some(os) = find_os(ident.name.as_str()) - { - mismatched.push((os, ident.span)); - } - }, - MetaItemKind::NameValue(..) => {}, - } - } - } - - mismatched - } - - if attr.has_name(sym::cfg) - && let Some(list) = attr.meta_item_list() - && let mismatched = find_mismatched_target_os(&list) - && !mismatched.is_empty() - { - let mess = "operating system used in target family position"; - - span_lint_and_then(cx, MISMATCHED_TARGET_OS, attr.span, mess, |diag| { - // Avoid showing the unix suggestion multiple times in case - // we have more than one mismatch for unix-like systems - let mut unix_suggested = false; - - for (os, span) in mismatched { - let sugg = format!("target_os = \"{os}\""); - diag.span_suggestion(span, "try", sugg, Applicability::MaybeIncorrect); - - if !unix_suggested && is_unix(os) { - diag.help("did you mean `unix`?"); - unix_suggested = true; - } - } - }); - } -} diff --git a/clippy_lints/src/attrs/mod.rs b/clippy_lints/src/attrs/mod.rs index 764ad497dfe2..83c828e8e223 100644 --- a/clippy_lints/src/attrs/mod.rs +++ b/clippy_lints/src/attrs/mod.rs @@ -7,7 +7,6 @@ mod deprecated_semver; mod duplicated_attributes; mod empty_line_after; mod inline_always; -mod mismatched_target_os; mod mixed_attributes_style; mod non_minimal_cfg; mod should_panic_without_expect; @@ -269,39 +268,6 @@ declare_clippy_lint! { "usage of `cfg_attr(rustfmt)` instead of tool attributes" } -declare_clippy_lint! { - /// ### What it does - /// Checks for cfg attributes having operating systems used in target family position. - /// - /// ### Why is this bad? - /// The configuration option will not be recognised and the related item will not be included - /// by the conditional compilation engine. - /// - /// ### Example - /// ```no_run - /// #[cfg(linux)] - /// fn conditional() { } - /// ``` - /// - /// Use instead: - /// ```no_run - /// # mod hidden { - /// #[cfg(target_os = "linux")] - /// fn conditional() { } - /// # } - /// - /// // or - /// - /// #[cfg(unix)] - /// fn conditional() { } - /// ``` - /// Check the [Rust Reference](https://doc.rust-lang.org/reference/conditional-compilation.html#target_os) for more details. - #[clippy::version = "1.45.0"] - pub MISMATCHED_TARGET_OS, - correctness, - "usage of `cfg(operating_system)` instead of `cfg(target_os = \"operating_system\")`" -} - declare_clippy_lint! { /// ### What it does /// Checks for attributes that allow lints without a reason. @@ -579,7 +545,6 @@ pub struct EarlyAttributes { impl_lint_pass!(EarlyAttributes => [ DEPRECATED_CFG_ATTR, - MISMATCHED_TARGET_OS, EMPTY_LINE_AFTER_OUTER_ATTR, EMPTY_LINE_AFTER_DOC_COMMENTS, NON_MINIMAL_CFG, @@ -595,7 +560,6 @@ impl EarlyLintPass for EarlyAttributes { fn check_attribute(&mut self, cx: &EarlyContext<'_>, attr: &Attribute) { deprecated_cfg_attr::check(cx, attr, &self.msrv); deprecated_cfg_attr::check_clippy(cx, attr); - mismatched_target_os::check(cx, attr); non_minimal_cfg::check(cx, attr); } diff --git a/clippy_lints/src/declared_lints.rs b/clippy_lints/src/declared_lints.rs index a8d5004c3e22..9aa0c0c7289b 100644 --- a/clippy_lints/src/declared_lints.rs +++ b/clippy_lints/src/declared_lints.rs @@ -58,7 +58,6 @@ pub(crate) static LINTS: &[&crate::LintInfo] = &[ crate::attrs::EMPTY_LINE_AFTER_DOC_COMMENTS_INFO, crate::attrs::EMPTY_LINE_AFTER_OUTER_ATTR_INFO, crate::attrs::INLINE_ALWAYS_INFO, - crate::attrs::MISMATCHED_TARGET_OS_INFO, crate::attrs::MIXED_ATTRIBUTES_STYLE_INFO, crate::attrs::NON_MINIMAL_CFG_INFO, crate::attrs::SHOULD_PANIC_WITHOUT_EXPECT_INFO, diff --git a/clippy_lints/src/deprecated_lints.rs b/clippy_lints/src/deprecated_lints.rs index 4c5d3f9d9eed..a0900f46f6aa 100644 --- a/clippy_lints/src/deprecated_lints.rs +++ b/clippy_lints/src/deprecated_lints.rs @@ -228,3 +228,16 @@ declare_deprecated_lint! { pub MAYBE_MISUSED_CFG, "this lint has been replaced by `unexpected_cfgs`" } + +declare_deprecated_lint! { + /// ### What it does + /// Nothing. This lint has been deprecated. + /// + /// ### Deprecation reason + /// This lint has been superseded by rustc's own [`unexpected_cfgs`] lint that is able to detect invalid `#[cfg(linux)]` attributes. + /// + /// [`unexpected_cfgs`]: https://doc.rust-lang.org/rustc/lints/listing/warn-by-default.html#unexpected-cfgs + #[clippy::version = "1.80.0"] + pub MISMATCHED_TARGET_OS, + "this lint has been replaced by `unexpected_cfgs`" +} diff --git a/clippy_lints/src/lib.deprecated.rs b/clippy_lints/src/lib.deprecated.rs index 01a23a032aa8..0d21261822dd 100644 --- a/clippy_lints/src/lib.deprecated.rs +++ b/clippy_lints/src/lib.deprecated.rs @@ -71,4 +71,8 @@ "clippy::maybe_misused_cfg", "this lint has been replaced by `unexpected_cfgs`", ); + store.register_removed( + "clippy::mismatched_target_os", + "this lint has been replaced by `unexpected_cfgs`", + ); } diff --git a/tests/ui/deprecated.rs b/tests/ui/deprecated.rs index 178bd2f3b66b..d3c34fb37167 100644 --- a/tests/ui/deprecated.rs +++ b/tests/ui/deprecated.rs @@ -19,5 +19,6 @@ #![warn(clippy::pub_enum_variant_names)] #![warn(clippy::wrong_pub_self_convention)] #![warn(clippy::maybe_misused_cfg)] +#![warn(clippy::mismatched_target_os)] fn main() {} diff --git a/tests/ui/deprecated.stderr b/tests/ui/deprecated.stderr index 39a2278d8a66..49b90c70c06e 100644 --- a/tests/ui/deprecated.stderr +++ b/tests/ui/deprecated.stderr @@ -103,5 +103,11 @@ error: lint `clippy::maybe_misused_cfg` has been removed: this lint has been rep LL | #![warn(clippy::maybe_misused_cfg)] | ^^^^^^^^^^^^^^^^^^^^^^^^^ -error: aborting due to 17 previous errors +error: lint `clippy::mismatched_target_os` has been removed: this lint has been replaced by `unexpected_cfgs` + --> tests/ui/deprecated.rs:22:9 + | +LL | #![warn(clippy::mismatched_target_os)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 18 previous errors diff --git a/tests/ui/mismatched_target_os_non_unix.fixed b/tests/ui/mismatched_target_os_non_unix.fixed deleted file mode 100644 index de02b2bee31f..000000000000 --- a/tests/ui/mismatched_target_os_non_unix.fixed +++ /dev/null @@ -1,25 +0,0 @@ -#![warn(clippy::mismatched_target_os)] -#![allow(unused)] - -#[cfg(target_os = "hermit")] -fn hermit() {} - -#[cfg(target_os = "wasi")] -fn wasi() {} - -#[cfg(target_os = "none")] -fn none() {} - -// list with conditions -#[cfg(all(not(windows), target_os = "wasi"))] -fn list() {} - -// windows is a valid target family, should be ignored -#[cfg(windows)] -fn windows() {} - -// correct use, should be ignored -#[cfg(target_os = "hermit")] -fn correct() {} - -fn main() {} diff --git a/tests/ui/mismatched_target_os_non_unix.rs b/tests/ui/mismatched_target_os_non_unix.rs deleted file mode 100644 index a960518751bf..000000000000 --- a/tests/ui/mismatched_target_os_non_unix.rs +++ /dev/null @@ -1,25 +0,0 @@ -#![warn(clippy::mismatched_target_os)] -#![allow(unused)] - -#[cfg(hermit)] -fn hermit() {} - -#[cfg(wasi)] -fn wasi() {} - -#[cfg(none)] -fn none() {} - -// list with conditions -#[cfg(all(not(windows), wasi))] -fn list() {} - -// windows is a valid target family, should be ignored -#[cfg(windows)] -fn windows() {} - -// correct use, should be ignored -#[cfg(target_os = "hermit")] -fn correct() {} - -fn main() {} diff --git a/tests/ui/mismatched_target_os_non_unix.stderr b/tests/ui/mismatched_target_os_non_unix.stderr deleted file mode 100644 index 7f7a4e9d6f62..000000000000 --- a/tests/ui/mismatched_target_os_non_unix.stderr +++ /dev/null @@ -1,37 +0,0 @@ -error: operating system used in target family position - --> tests/ui/mismatched_target_os_non_unix.rs:4:1 - | -LL | #[cfg(hermit)] - | ^^^^^^------^^ - | | - | help: try: `target_os = "hermit"` - | - = note: `-D clippy::mismatched-target-os` implied by `-D warnings` - = help: to override `-D warnings` add `#[allow(clippy::mismatched_target_os)]` - -error: operating system used in target family position - --> tests/ui/mismatched_target_os_non_unix.rs:7:1 - | -LL | #[cfg(wasi)] - | ^^^^^^----^^ - | | - | help: try: `target_os = "wasi"` - -error: operating system used in target family position - --> tests/ui/mismatched_target_os_non_unix.rs:10:1 - | -LL | #[cfg(none)] - | ^^^^^^----^^ - | | - | help: try: `target_os = "none"` - -error: operating system used in target family position - --> tests/ui/mismatched_target_os_non_unix.rs:14:1 - | -LL | #[cfg(all(not(windows), wasi))] - | ^^^^^^^^^^^^^^^^^^^^^^^^----^^^ - | | - | help: try: `target_os = "wasi"` - -error: aborting due to 4 previous errors - diff --git a/tests/ui/mismatched_target_os_unix.fixed b/tests/ui/mismatched_target_os_unix.fixed deleted file mode 100644 index b945c4d9619d..000000000000 --- a/tests/ui/mismatched_target_os_unix.fixed +++ /dev/null @@ -1,60 +0,0 @@ -#![warn(clippy::mismatched_target_os)] -#![allow(unused)] - -#[cfg(target_os = "linux")] -fn linux() {} - -#[cfg(target_os = "freebsd")] -fn freebsd() {} - -#[cfg(target_os = "dragonfly")] -fn dragonfly() {} - -#[cfg(target_os = "openbsd")] -fn openbsd() {} - -#[cfg(target_os = "netbsd")] -fn netbsd() {} - -#[cfg(target_os = "macos")] -fn macos() {} - -#[cfg(target_os = "ios")] -fn ios() {} - -#[cfg(target_os = "android")] -fn android() {} - -#[cfg(target_os = "emscripten")] -fn emscripten() {} - -#[cfg(target_os = "fuchsia")] -fn fuchsia() {} - -#[cfg(target_os = "haiku")] -fn haiku() {} - -#[cfg(target_os = "illumos")] -fn illumos() {} - -#[cfg(target_os = "l4re")] -fn l4re() {} - -#[cfg(target_os = "redox")] -fn redox() {} - -#[cfg(target_os = "solaris")] -fn solaris() {} - -#[cfg(target_os = "vxworks")] -fn vxworks() {} - -// list with conditions -#[cfg(all(not(any(target_os = "solaris", target_os = "linux")), target_os = "freebsd"))] -fn list() {} - -// correct use, should be ignored -#[cfg(target_os = "freebsd")] -fn correct() {} - -fn main() {} diff --git a/tests/ui/mismatched_target_os_unix.rs b/tests/ui/mismatched_target_os_unix.rs deleted file mode 100644 index 34307facd654..000000000000 --- a/tests/ui/mismatched_target_os_unix.rs +++ /dev/null @@ -1,60 +0,0 @@ -#![warn(clippy::mismatched_target_os)] -#![allow(unused)] - -#[cfg(linux)] -fn linux() {} - -#[cfg(freebsd)] -fn freebsd() {} - -#[cfg(dragonfly)] -fn dragonfly() {} - -#[cfg(openbsd)] -fn openbsd() {} - -#[cfg(netbsd)] -fn netbsd() {} - -#[cfg(macos)] -fn macos() {} - -#[cfg(ios)] -fn ios() {} - -#[cfg(android)] -fn android() {} - -#[cfg(emscripten)] -fn emscripten() {} - -#[cfg(fuchsia)] -fn fuchsia() {} - -#[cfg(haiku)] -fn haiku() {} - -#[cfg(illumos)] -fn illumos() {} - -#[cfg(l4re)] -fn l4re() {} - -#[cfg(redox)] -fn redox() {} - -#[cfg(solaris)] -fn solaris() {} - -#[cfg(vxworks)] -fn vxworks() {} - -// list with conditions -#[cfg(all(not(any(solaris, linux)), freebsd))] -fn list() {} - -// correct use, should be ignored -#[cfg(target_os = "freebsd")] -fn correct() {} - -fn main() {} diff --git a/tests/ui/mismatched_target_os_unix.stderr b/tests/ui/mismatched_target_os_unix.stderr deleted file mode 100644 index 3071bad1324b..000000000000 --- a/tests/ui/mismatched_target_os_unix.stderr +++ /dev/null @@ -1,184 +0,0 @@ -error: operating system used in target family position - --> tests/ui/mismatched_target_os_unix.rs:4:1 - | -LL | #[cfg(linux)] - | ^^^^^^-----^^ - | | - | help: try: `target_os = "linux"` - | - = help: did you mean `unix`? - = note: `-D clippy::mismatched-target-os` implied by `-D warnings` - = help: to override `-D warnings` add `#[allow(clippy::mismatched_target_os)]` - -error: operating system used in target family position - --> tests/ui/mismatched_target_os_unix.rs:7:1 - | -LL | #[cfg(freebsd)] - | ^^^^^^-------^^ - | | - | help: try: `target_os = "freebsd"` - | - = help: did you mean `unix`? - -error: operating system used in target family position - --> tests/ui/mismatched_target_os_unix.rs:10:1 - | -LL | #[cfg(dragonfly)] - | ^^^^^^---------^^ - | | - | help: try: `target_os = "dragonfly"` - | - = help: did you mean `unix`? - -error: operating system used in target family position - --> tests/ui/mismatched_target_os_unix.rs:13:1 - | -LL | #[cfg(openbsd)] - | ^^^^^^-------^^ - | | - | help: try: `target_os = "openbsd"` - | - = help: did you mean `unix`? - -error: operating system used in target family position - --> tests/ui/mismatched_target_os_unix.rs:16:1 - | -LL | #[cfg(netbsd)] - | ^^^^^^------^^ - | | - | help: try: `target_os = "netbsd"` - | - = help: did you mean `unix`? - -error: operating system used in target family position - --> tests/ui/mismatched_target_os_unix.rs:19:1 - | -LL | #[cfg(macos)] - | ^^^^^^-----^^ - | | - | help: try: `target_os = "macos"` - | - = help: did you mean `unix`? - -error: operating system used in target family position - --> tests/ui/mismatched_target_os_unix.rs:22:1 - | -LL | #[cfg(ios)] - | ^^^^^^---^^ - | | - | help: try: `target_os = "ios"` - | - = help: did you mean `unix`? - -error: operating system used in target family position - --> tests/ui/mismatched_target_os_unix.rs:25:1 - | -LL | #[cfg(android)] - | ^^^^^^-------^^ - | | - | help: try: `target_os = "android"` - | - = help: did you mean `unix`? - -error: operating system used in target family position - --> tests/ui/mismatched_target_os_unix.rs:28:1 - | -LL | #[cfg(emscripten)] - | ^^^^^^----------^^ - | | - | help: try: `target_os = "emscripten"` - | - = help: did you mean `unix`? - -error: operating system used in target family position - --> tests/ui/mismatched_target_os_unix.rs:31:1 - | -LL | #[cfg(fuchsia)] - | ^^^^^^-------^^ - | | - | help: try: `target_os = "fuchsia"` - | - = help: did you mean `unix`? - -error: operating system used in target family position - --> tests/ui/mismatched_target_os_unix.rs:34:1 - | -LL | #[cfg(haiku)] - | ^^^^^^-----^^ - | | - | help: try: `target_os = "haiku"` - | - = help: did you mean `unix`? - -error: operating system used in target family position - --> tests/ui/mismatched_target_os_unix.rs:37:1 - | -LL | #[cfg(illumos)] - | ^^^^^^-------^^ - | | - | help: try: `target_os = "illumos"` - | - = help: did you mean `unix`? - -error: operating system used in target family position - --> tests/ui/mismatched_target_os_unix.rs:40:1 - | -LL | #[cfg(l4re)] - | ^^^^^^----^^ - | | - | help: try: `target_os = "l4re"` - | - = help: did you mean `unix`? - -error: operating system used in target family position - --> tests/ui/mismatched_target_os_unix.rs:43:1 - | -LL | #[cfg(redox)] - | ^^^^^^-----^^ - | | - | help: try: `target_os = "redox"` - | - = help: did you mean `unix`? - -error: operating system used in target family position - --> tests/ui/mismatched_target_os_unix.rs:46:1 - | -LL | #[cfg(solaris)] - | ^^^^^^-------^^ - | | - | help: try: `target_os = "solaris"` - | - = help: did you mean `unix`? - -error: operating system used in target family position - --> tests/ui/mismatched_target_os_unix.rs:49:1 - | -LL | #[cfg(vxworks)] - | ^^^^^^-------^^ - | | - | help: try: `target_os = "vxworks"` - | - = help: did you mean `unix`? - -error: operating system used in target family position - --> tests/ui/mismatched_target_os_unix.rs:53:1 - | -LL | #[cfg(all(not(any(solaris, linux)), freebsd))] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = help: did you mean `unix`? -help: try - | -LL | #[cfg(all(not(any(target_os = "solaris", linux)), freebsd))] - | ~~~~~~~~~~~~~~~~~~~~~ -help: try - | -LL | #[cfg(all(not(any(solaris, target_os = "linux")), freebsd))] - | ~~~~~~~~~~~~~~~~~~~ -help: try - | -LL | #[cfg(all(not(any(solaris, linux)), target_os = "freebsd"))] - | ~~~~~~~~~~~~~~~~~~~~~ - -error: aborting due to 17 previous errors - From 5cdec6582a6eab3b66b078cb858294792c096aa8 Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Sat, 1 Jun 2024 17:19:46 +0300 Subject: [PATCH 0839/1716] include missing submodule on bootstrap As of https://github.com/rust-lang/rust/pull/125408 PR, rustbook now relies on dependencies from the "src/doc/book" submodule. However, bootstrap does not automatically sync this submodule before reading metadata informations. And if the submodule is not present, reading metadata will fail because rustbook's dependencies will be missing. This change makes "src/doc/book" to be fetched/synced automatically before trying to read metadata. Signed-off-by: onur-ozkan --- src/bootstrap/src/lib.rs | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/bootstrap/src/lib.rs b/src/bootstrap/src/lib.rs index 8312885915c5..cde090637e01 100644 --- a/src/bootstrap/src/lib.rs +++ b/src/bootstrap/src/lib.rs @@ -469,7 +469,8 @@ impl Build { // Make sure we update these before gathering metadata so we don't get an error about missing // Cargo.toml files. - let rust_submodules = ["src/tools/cargo", "library/backtrace", "library/stdarch"]; + let rust_submodules = + ["src/tools/cargo", "src/doc/book", "library/backtrace", "library/stdarch"]; for s in rust_submodules { build.update_submodule(Path::new(s)); } From 0a83764cbd607f57364c01b99031536075cc0581 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Tue, 16 Apr 2024 21:08:11 -0400 Subject: [PATCH 0840/1716] Simplify IntVarValue/FloatVarValue --- compiler/rustc_infer/src/infer/freshen.rs | 26 +++--- compiler/rustc_infer/src/infer/mod.rs | 76 ++++++++++------- .../rustc_infer/src/infer/relate/combine.rs | 81 +++++-------------- .../rustc_infer/src/infer/relate/lattice.rs | 4 +- .../src/infer/relate/type_relating.rs | 4 +- compiler/rustc_middle/src/infer/unify_key.rs | 16 +--- compiler/rustc_middle/src/ty/error.rs | 22 +---- compiler/rustc_type_ir/src/ty_kind.rs | 79 ++++++++++++------ .../parser/recover/recover-range-pats.stderr | 9 --- 9 files changed, 145 insertions(+), 172 deletions(-) diff --git a/compiler/rustc_infer/src/infer/freshen.rs b/compiler/rustc_infer/src/infer/freshen.rs index b2d89523ea84..a3c8d5f4251e 100644 --- a/compiler/rustc_infer/src/infer/freshen.rs +++ b/compiler/rustc_infer/src/infer/freshen.rs @@ -33,7 +33,6 @@ use super::InferCtxt; use rustc_data_structures::fx::FxHashMap; use rustc_middle::bug; -use rustc_middle::infer::unify_key::ToType; use rustc_middle::ty::fold::TypeFolder; use rustc_middle::ty::{self, Ty, TyCtxt, TypeFoldable, TypeSuperFoldable, TypeVisitableExt}; use std::collections::hash_map::Entry; @@ -204,22 +203,27 @@ impl<'a, 'tcx> TypeFreshener<'a, 'tcx> { ty::IntVar(v) => { let mut inner = self.infcx.inner.borrow_mut(); - let input = inner - .int_unification_table() - .probe_value(v) - .map(|v| v.to_type(self.infcx.tcx)) - .ok_or_else(|| ty::IntVar(inner.int_unification_table().find(v))); + let value = inner.int_unification_table().probe_value(v); + let input = match value { + ty::IntVarValue::IntType(ty) => Ok(Ty::new_int(self.infcx.tcx, ty)), + ty::IntVarValue::UintType(ty) => Ok(Ty::new_uint(self.infcx.tcx, ty)), + ty::IntVarValue::Unknown => { + Err(ty::IntVar(inner.int_unification_table().find(v))) + } + }; drop(inner); Some(self.freshen_ty(input, |n| Ty::new_fresh_int(self.infcx.tcx, n))) } ty::FloatVar(v) => { let mut inner = self.infcx.inner.borrow_mut(); - let input = inner - .float_unification_table() - .probe_value(v) - .map(|v| v.to_type(self.infcx.tcx)) - .ok_or_else(|| ty::FloatVar(inner.float_unification_table().find(v))); + let value = inner.float_unification_table().probe_value(v); + let input = match value { + ty::FloatVarValue::Known(ty) => Ok(Ty::new_float(self.infcx.tcx, ty)), + ty::FloatVarValue::Unknown => { + Err(ty::FloatVar(inner.float_unification_table().find(v))) + } + }; drop(inner); Some(self.freshen_ty(input, |n| Ty::new_fresh_float(self.infcx.tcx, n))) } diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs index c8bb6cf5f9b4..9e64bc4f103e 100644 --- a/compiler/rustc_infer/src/infer/mod.rs +++ b/compiler/rustc_infer/src/infer/mod.rs @@ -29,9 +29,9 @@ use rustc_errors::{Diag, DiagCtxt, ErrorGuaranteed}; use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_macros::extension; use rustc_middle::infer::canonical::{Canonical, CanonicalVarValues}; +use rustc_middle::infer::unify_key::ConstVariableOrigin; use rustc_middle::infer::unify_key::ConstVariableValue; use rustc_middle::infer::unify_key::EffectVarValue; -use rustc_middle::infer::unify_key::{ConstVariableOrigin, ToType}; use rustc_middle::infer::unify_key::{ConstVidKey, EffectVidKey}; use rustc_middle::mir::interpret::{ErrorHandled, EvalToValTreeResult}; use rustc_middle::mir::ConstraintCategory; @@ -811,13 +811,13 @@ impl<'tcx> InferCtxt<'tcx> { vars.extend( (0..inner.int_unification_table().len()) .map(|i| ty::IntVid::from_u32(i as u32)) - .filter(|&vid| inner.int_unification_table().probe_value(vid).is_none()) + .filter(|&vid| inner.int_unification_table().probe_value(vid).is_unknown()) .map(|v| Ty::new_int_var(self.tcx, v)), ); vars.extend( (0..inner.float_unification_table().len()) .map(|i| ty::FloatVid::from_u32(i as u32)) - .filter(|&vid| inner.float_unification_table().probe_value(vid).is_none()) + .filter(|&vid| inner.float_unification_table().probe_value(vid).is_unknown()) .map(|v| Ty::new_float_var(self.tcx, v)), ); vars @@ -1025,14 +1025,28 @@ impl<'tcx> InferCtxt<'tcx> { ty::Const::new_var(self.tcx, vid, ty) } + pub fn next_const_var_id(&self, origin: ConstVariableOrigin) -> ConstVid { + self.inner + .borrow_mut() + .const_unification_table() + .new_key(ConstVariableValue::Unknown { origin, universe: self.universe() }) + .vid + } + + fn next_int_var_id(&self) -> IntVid { + self.inner.borrow_mut().int_unification_table().new_key(ty::IntVarValue::Unknown) + } + pub fn next_int_var(&self) -> Ty<'tcx> { - let vid = self.inner.borrow_mut().int_unification_table().new_key(None); - Ty::new_int_var(self.tcx, vid) + Ty::new_int_var(self.tcx, self.next_int_var_id()) + } + + fn next_float_var_id(&self) -> FloatVid { + self.inner.borrow_mut().float_unification_table().new_key(ty::FloatVarValue::Unknown) } pub fn next_float_var(&self) -> Ty<'tcx> { - let vid = self.inner.borrow_mut().float_unification_table().new_key(None); - Ty::new_float_var(self.tcx, vid) + Ty::new_float_var(self.tcx, self.next_float_var_id()) } /// Creates a fresh region variable with the next available index. @@ -1258,19 +1272,18 @@ impl<'tcx> InferCtxt<'tcx> { known.map(|t| self.shallow_resolve(t)) } - ty::IntVar(v) => self - .inner - .borrow_mut() - .int_unification_table() - .probe_value(v) - .map(|v| v.to_type(self.tcx)), + ty::IntVar(v) => match self.inner.borrow_mut().int_unification_table().probe_value(v) { + ty::IntVarValue::Unknown => None, + ty::IntVarValue::IntType(ty) => Some(Ty::new_int(self.tcx, ty)), + ty::IntVarValue::UintType(ty) => Some(Ty::new_uint(self.tcx, ty)), + }, - ty::FloatVar(v) => self - .inner - .borrow_mut() - .float_unification_table() - .probe_value(v) - .map(|v| v.to_type(self.tcx)), + ty::FloatVar(v) => { + match self.inner.borrow_mut().float_unification_table().probe_value(v) { + ty::FloatVarValue::Unknown => None, + ty::FloatVarValue::Known(ty) => Some(Ty::new_float(self.tcx, ty)), + } + } ty::FreshTy(_) | ty::FreshIntTy(_) | ty::FreshFloatTy(_) => None, } @@ -1321,10 +1334,13 @@ impl<'tcx> InferCtxt<'tcx> { /// or else the root int var in the unification table. pub fn opportunistic_resolve_int_var(&self, vid: ty::IntVid) -> Ty<'tcx> { let mut inner = self.inner.borrow_mut(); - if let Some(value) = inner.int_unification_table().probe_value(vid) { - value.to_type(self.tcx) - } else { - Ty::new_int_var(self.tcx, inner.int_unification_table().find(vid)) + let value = inner.int_unification_table().probe_value(vid); + match value { + ty::IntVarValue::IntType(ty) => Ty::new_int(self.tcx, ty), + ty::IntVarValue::UintType(ty) => Ty::new_uint(self.tcx, ty), + ty::IntVarValue::Unknown => { + Ty::new_int_var(self.tcx, inner.int_unification_table().find(vid)) + } } } @@ -1332,10 +1348,12 @@ impl<'tcx> InferCtxt<'tcx> { /// or else the root float var in the unification table. pub fn opportunistic_resolve_float_var(&self, vid: ty::FloatVid) -> Ty<'tcx> { let mut inner = self.inner.borrow_mut(); - if let Some(value) = inner.float_unification_table().probe_value(vid) { - value.to_type(self.tcx) - } else { - Ty::new_float_var(self.tcx, inner.float_unification_table().find(vid)) + let value = inner.float_unification_table().probe_value(vid); + match value { + ty::FloatVarValue::Known(ty) => Ty::new_float(self.tcx, ty), + ty::FloatVarValue::Unknown => { + Ty::new_float_var(self.tcx, inner.float_unification_table().find(vid)) + } } } @@ -1626,7 +1644,7 @@ impl<'tcx> InferCtxt<'tcx> { // If `inlined_probe_value` returns a value it's always a // `ty::Int(_)` or `ty::UInt(_)`, which never matches a // `ty::Infer(_)`. - self.inner.borrow_mut().int_unification_table().inlined_probe_value(v).is_some() + !self.inner.borrow_mut().int_unification_table().inlined_probe_value(v).is_unknown() } TyOrConstInferVar::TyFloat(v) => { @@ -1634,7 +1652,7 @@ impl<'tcx> InferCtxt<'tcx> { // `ty::Float(_)`, which never matches a `ty::Infer(_)`. // // Not `inlined_probe_value(v)` because this call site is colder. - self.inner.borrow_mut().float_unification_table().probe_value(v).is_some() + !self.inner.borrow_mut().float_unification_table().probe_value(v).is_unknown() } TyOrConstInferVar::Const(v) => { diff --git a/compiler/rustc_infer/src/infer/relate/combine.rs b/compiler/rustc_infer/src/infer/relate/combine.rs index 04ca043e6fe0..b193f4bcede6 100644 --- a/compiler/rustc_infer/src/infer/relate/combine.rs +++ b/compiler/rustc_infer/src/infer/relate/combine.rs @@ -26,7 +26,7 @@ use crate::infer::{DefineOpaqueTypes, InferCtxt, TypeTrace}; use crate::traits::{Obligation, PredicateObligations}; use rustc_middle::bug; use rustc_middle::infer::unify_key::EffectVarValue; -use rustc_middle::ty::error::{ExpectedFound, TypeError}; +use rustc_middle::ty::error::TypeError; use rustc_middle::ty::relate::{RelateResult, TypeRelation}; use rustc_middle::ty::{self, InferConst, Ty, TyCtxt, TypeVisitableExt, Upcast}; use rustc_middle::ty::{IntType, UintType}; @@ -68,40 +68,38 @@ impl<'tcx> InferCtxt<'tcx> { match (a.kind(), b.kind()) { // Relate integral variables to other types (&ty::Infer(ty::IntVar(a_id)), &ty::Infer(ty::IntVar(b_id))) => { - self.inner - .borrow_mut() - .int_unification_table() - .unify_var_var(a_id, b_id) - .map_err(|e| int_unification_error(true, e))?; + self.inner.borrow_mut().int_unification_table().union(a_id, b_id); Ok(a) } (&ty::Infer(ty::IntVar(v_id)), &ty::Int(v)) => { - self.unify_integral_variable(true, v_id, IntType(v)) + self.unify_integral_variable(v_id, IntType(v)); + Ok(b) } (&ty::Int(v), &ty::Infer(ty::IntVar(v_id))) => { - self.unify_integral_variable(false, v_id, IntType(v)) + self.unify_integral_variable(v_id, IntType(v)); + Ok(a) } (&ty::Infer(ty::IntVar(v_id)), &ty::Uint(v)) => { - self.unify_integral_variable(true, v_id, UintType(v)) + self.unify_integral_variable(v_id, UintType(v)); + Ok(b) } (&ty::Uint(v), &ty::Infer(ty::IntVar(v_id))) => { - self.unify_integral_variable(false, v_id, UintType(v)) + self.unify_integral_variable(v_id, UintType(v)); + Ok(a) } // Relate floating-point variables to other types (&ty::Infer(ty::FloatVar(a_id)), &ty::Infer(ty::FloatVar(b_id))) => { - self.inner - .borrow_mut() - .float_unification_table() - .unify_var_var(a_id, b_id) - .map_err(|e| float_unification_error(true, e))?; + self.inner.borrow_mut().float_unification_table().union(a_id, b_id); Ok(a) } (&ty::Infer(ty::FloatVar(v_id)), &ty::Float(v)) => { - self.unify_float_variable(true, v_id, v) + self.unify_float_variable(v_id, ty::FloatVarValue::Known(v)); + Ok(b) } (&ty::Float(v), &ty::Infer(ty::FloatVar(v_id))) => { - self.unify_float_variable(false, v_id, v) + self.unify_float_variable(v_id, ty::FloatVarValue::Known(v)); + Ok(a) } // We don't expect `TyVar` or `Fresh*` vars at this point with lazy norm. @@ -244,35 +242,14 @@ impl<'tcx> InferCtxt<'tcx> { } } - fn unify_integral_variable( - &self, - vid_is_expected: bool, - vid: ty::IntVid, - val: ty::IntVarValue, - ) -> RelateResult<'tcx, Ty<'tcx>> { - self.inner - .borrow_mut() - .int_unification_table() - .unify_var_value(vid, Some(val)) - .map_err(|e| int_unification_error(vid_is_expected, e))?; - match val { - IntType(v) => Ok(Ty::new_int(self.tcx, v)), - UintType(v) => Ok(Ty::new_uint(self.tcx, v)), - } + #[inline(always)] + fn unify_integral_variable(&self, vid: ty::IntVid, val: ty::IntVarValue) { + self.inner.borrow_mut().int_unification_table().union_value(vid, val); } - fn unify_float_variable( - &self, - vid_is_expected: bool, - vid: ty::FloatVid, - val: ty::FloatTy, - ) -> RelateResult<'tcx, Ty<'tcx>> { - self.inner - .borrow_mut() - .float_unification_table() - .unify_var_value(vid, Some(ty::FloatVarValue(val))) - .map_err(|e| float_unification_error(vid_is_expected, e))?; - Ok(Ty::new_float(self.tcx, val)) + #[inline(always)] + fn unify_float_variable(&self, vid: ty::FloatVid, val: ty::FloatVarValue) { + self.inner.borrow_mut().float_unification_table().union_value(vid, val); } fn unify_effect_variable(&self, vid: ty::EffectVid, val: ty::Const<'tcx>) -> ty::Const<'tcx> { @@ -350,19 +327,3 @@ pub trait ObligationEmittingRelation<'tcx>: TypeRelation<'tcx> { /// Register `AliasRelate` obligation(s) that both types must be related to each other. fn register_type_relate_obligation(&mut self, a: Ty<'tcx>, b: Ty<'tcx>); } - -fn int_unification_error<'tcx>( - a_is_expected: bool, - v: (ty::IntVarValue, ty::IntVarValue), -) -> TypeError<'tcx> { - let (a, b) = v; - TypeError::IntMismatch(ExpectedFound::new(a_is_expected, a, b)) -} - -fn float_unification_error<'tcx>( - a_is_expected: bool, - v: (ty::FloatVarValue, ty::FloatVarValue), -) -> TypeError<'tcx> { - let (ty::FloatVarValue(a), ty::FloatVarValue(b)) = v; - TypeError::FloatMismatch(ExpectedFound::new(a_is_expected, a, b)) -} diff --git a/compiler/rustc_infer/src/infer/relate/lattice.rs b/compiler/rustc_infer/src/infer/relate/lattice.rs index 38e25b0d9b68..c0c51a2820b3 100644 --- a/compiler/rustc_infer/src/infer/relate/lattice.rs +++ b/compiler/rustc_infer/src/infer/relate/lattice.rs @@ -64,8 +64,8 @@ where let infcx = this.infcx(); - let a = infcx.inner.borrow_mut().type_variables().replace_if_possible(a); - let b = infcx.inner.borrow_mut().type_variables().replace_if_possible(b); + let a = infcx.shallow_resolve(a); + let b = infcx.shallow_resolve(b); match (a.kind(), b.kind()) { // If one side is known to be a variable and one is not, diff --git a/compiler/rustc_infer/src/infer/relate/type_relating.rs b/compiler/rustc_infer/src/infer/relate/type_relating.rs index 21064fff97f7..e55a58788212 100644 --- a/compiler/rustc_infer/src/infer/relate/type_relating.rs +++ b/compiler/rustc_infer/src/infer/relate/type_relating.rs @@ -80,8 +80,8 @@ impl<'tcx> TypeRelation<'tcx> for TypeRelating<'_, '_, 'tcx> { } let infcx = self.fields.infcx; - let a = infcx.inner.borrow_mut().type_variables().replace_if_possible(a); - let b = infcx.inner.borrow_mut().type_variables().replace_if_possible(b); + let a = infcx.shallow_resolve(a); + let b = infcx.shallow_resolve(b); match (a.kind(), b.kind()) { (&ty::Infer(TyVar(a_id)), &ty::Infer(TyVar(b_id))) => { diff --git a/compiler/rustc_middle/src/infer/unify_key.rs b/compiler/rustc_middle/src/infer/unify_key.rs index 105be21f2727..a5da7e7739e4 100644 --- a/compiler/rustc_middle/src/infer/unify_key.rs +++ b/compiler/rustc_middle/src/infer/unify_key.rs @@ -86,21 +86,6 @@ impl<'tcx> UnifyValue for RegionVariableValue<'tcx> { } } -impl ToType for ty::IntVarValue { - fn to_type<'tcx>(&self, tcx: TyCtxt<'tcx>) -> Ty<'tcx> { - match *self { - ty::IntType(i) => Ty::new_int(tcx, i), - ty::UintType(i) => Ty::new_uint(tcx, i), - } - } -} - -impl ToType for ty::FloatVarValue { - fn to_type<'tcx>(&self, tcx: TyCtxt<'tcx>) -> Ty<'tcx> { - Ty::new_float(tcx, self.0) - } -} - // Generic consts. #[derive(Copy, Clone, Debug)] @@ -211,6 +196,7 @@ impl<'tcx> EffectVarValue<'tcx> { impl<'tcx> UnifyValue for EffectVarValue<'tcx> { type Error = NoError; + fn unify_values(value1: &Self, value2: &Self) -> Result { match (*value1, *value2) { (EffectVarValue::Unknown, EffectVarValue::Unknown) => Ok(EffectVarValue::Unknown), diff --git a/compiler/rustc_middle/src/ty/error.rs b/compiler/rustc_middle/src/ty/error.rs index 99d703be873e..9e2c626478ac 100644 --- a/compiler/rustc_middle/src/ty/error.rs +++ b/compiler/rustc_middle/src/ty/error.rs @@ -49,8 +49,6 @@ pub enum TypeError<'tcx> { Sorts(ExpectedFound>), ArgumentSorts(ExpectedFound>, usize), - IntMismatch(ExpectedFound), - FloatMismatch(ExpectedFound), Traits(ExpectedFound), VariadicMismatch(ExpectedFound), @@ -155,23 +153,6 @@ impl<'tcx> TypeError<'tcx> { report_maybe_different(&format!("trait `{expected}`"), &format!("trait `{found}`")) .into() } - IntMismatch(ref values) => { - let expected = match values.expected { - ty::IntVarValue::IntType(ty) => ty.name_str(), - ty::IntVarValue::UintType(ty) => ty.name_str(), - }; - let found = match values.found { - ty::IntVarValue::IntType(ty) => ty.name_str(), - ty::IntVarValue::UintType(ty) => ty.name_str(), - }; - format!("expected `{expected}`, found `{found}`").into() - } - FloatMismatch(ref values) => format!( - "expected `{}`, found `{}`", - values.expected.name_str(), - values.found.name_str() - ) - .into(), VariadicMismatch(ref values) => format!( "expected {} fn, found {} function", if values.expected { "variadic" } else { "non-variadic" }, @@ -206,8 +187,7 @@ impl<'tcx> TypeError<'tcx> { match self { CyclicTy(_) | CyclicConst(_) | SafetyMismatch(_) | ConstnessMismatch(_) | PolarityMismatch(_) | Mismatch | AbiMismatch(_) | FixedArraySize(_) - | ArgumentSorts(..) | Sorts(_) | IntMismatch(_) | FloatMismatch(_) - | VariadicMismatch(_) | TargetFeatureCast(_) => false, + | ArgumentSorts(..) | Sorts(_) | VariadicMismatch(_) | TargetFeatureCast(_) => false, Mutability | ArgumentMutability(_) diff --git a/compiler/rustc_type_ir/src/ty_kind.rs b/compiler/rustc_type_ir/src/ty_kind.rs index 38082bf3c16f..28226f94fde5 100644 --- a/compiler/rustc_type_ir/src/ty_kind.rs +++ b/compiler/rustc_type_ir/src/ty_kind.rs @@ -1,7 +1,7 @@ #[cfg(feature = "nightly")] use rustc_data_structures::stable_hasher::{HashStable, StableHasher}; #[cfg(feature = "nightly")] -use rustc_data_structures::unify::{EqUnifyValue, UnifyKey}; +use rustc_data_structures::unify::{NoError, UnifyKey, UnifyValue}; #[cfg(feature = "nightly")] use rustc_macros::{Decodable, Encodable, HashStable_NoContext, TyDecodable, TyEncodable}; use rustc_type_ir_macros::{Lift_Generic, TypeFoldable_Generic, TypeVisitable_Generic}; @@ -715,14 +715,30 @@ impl FloatTy { } } -#[derive(Clone, Copy, PartialEq, Eq)] +#[derive(Clone, Copy, PartialEq, Eq, Debug)] pub enum IntVarValue { + Unknown, IntType(IntTy), UintType(UintTy), } -#[derive(Clone, Copy, PartialEq, Eq)] -pub struct FloatVarValue(pub FloatTy); +impl IntVarValue { + pub fn is_unknown(&self) -> bool { + matches!(self, IntVarValue::Unknown) + } +} + +#[derive(Clone, Copy, PartialEq, Eq, Debug)] +pub enum FloatVarValue { + Unknown, + Known(FloatTy), +} + +impl FloatVarValue { + pub fn is_unknown(&self) -> bool { + matches!(self, FloatVarValue::Unknown) + } +} rustc_index::newtype_index! { /// A **ty**pe **v**ariable **ID**. @@ -807,11 +823,28 @@ impl UnifyKey for TyVid { } #[cfg(feature = "nightly")] -impl EqUnifyValue for IntVarValue {} +impl UnifyValue for IntVarValue { + type Error = NoError; + + fn unify_values(value1: &Self, value2: &Self) -> Result { + match (*value1, *value2) { + (IntVarValue::Unknown, IntVarValue::Unknown) => Ok(IntVarValue::Unknown), + ( + IntVarValue::Unknown, + known @ (IntVarValue::UintType(_) | IntVarValue::IntType(_)), + ) + | ( + known @ (IntVarValue::UintType(_) | IntVarValue::IntType(_)), + IntVarValue::Unknown, + ) => Ok(known), + _ => panic!("differing ints should have been resolved first"), + } + } +} #[cfg(feature = "nightly")] impl UnifyKey for IntVid { - type Value = Option; + type Value = IntVarValue; #[inline] // make this function eligible for inlining - it is quite hot. fn index(&self) -> u32 { self.as_u32() @@ -826,11 +859,26 @@ impl UnifyKey for IntVid { } #[cfg(feature = "nightly")] -impl EqUnifyValue for FloatVarValue {} +impl UnifyValue for FloatVarValue { + type Error = NoError; + + fn unify_values(value1: &Self, value2: &Self) -> Result { + match (*value1, *value2) { + (FloatVarValue::Unknown, FloatVarValue::Unknown) => Ok(FloatVarValue::Unknown), + (FloatVarValue::Unknown, FloatVarValue::Known(known)) + | (FloatVarValue::Known(known), FloatVarValue::Unknown) => { + Ok(FloatVarValue::Known(known)) + } + (FloatVarValue::Known(_), FloatVarValue::Known(_)) => { + panic!("differing floats should have been resolved first") + } + } + } +} #[cfg(feature = "nightly")] impl UnifyKey for FloatVid { - type Value = Option; + type Value = FloatVarValue; #[inline] fn index(&self) -> u32 { self.as_u32() @@ -858,21 +906,6 @@ impl HashStable for InferTy { } } -impl fmt::Debug for IntVarValue { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - match *self { - IntVarValue::IntType(ref v) => v.fmt(f), - IntVarValue::UintType(ref v) => v.fmt(f), - } - } -} - -impl fmt::Debug for FloatVarValue { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - self.0.fmt(f) - } -} - impl fmt::Display for InferTy { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { use InferTy::*; diff --git a/tests/ui/parser/recover/recover-range-pats.stderr b/tests/ui/parser/recover/recover-range-pats.stderr index e0ea8ec24dcf..e29b6c1c666b 100644 --- a/tests/ui/parser/recover/recover-range-pats.stderr +++ b/tests/ui/parser/recover/recover-range-pats.stderr @@ -316,9 +316,6 @@ LL | if let X.. .0 = 0 {} | | | | | expected `u8`, found floating-point number | this is of type `u8` - | - = note: expected type `u8` - found type `{float}` error[E0029]: only `char` and numeric types are allowed in range patterns --> $DIR/recover-range-pats.rs:31:12 @@ -353,9 +350,6 @@ LL | if let X..=.0 = 0 {} | | | | | expected `u8`, found floating-point number | this is of type `u8` - | - = note: expected type `u8` - found type `{float}` error[E0029]: only `char` and numeric types are allowed in range patterns --> $DIR/recover-range-pats.rs:52:12 @@ -390,9 +384,6 @@ LL | if let X... .0 = 0 {} | | | | | expected `u8`, found floating-point number | this is of type `u8` - | - = note: expected type `u8` - found type `{float}` error[E0029]: only `char` and numeric types are allowed in range patterns --> $DIR/recover-range-pats.rs:71:12 From f14b9651a1cb2544fb79cac587971fa3113602b7 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Fri, 31 May 2024 13:56:23 -0400 Subject: [PATCH 0841/1716] Inline fold_infer_ty --- compiler/rustc_infer/src/infer/mod.rs | 74 +++++++++++++-------------- 1 file changed, 37 insertions(+), 37 deletions(-) diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs index 9e64bc4f103e..cb5c976ac1c2 100644 --- a/compiler/rustc_infer/src/infer/mod.rs +++ b/compiler/rustc_infer/src/infer/mod.rs @@ -41,7 +41,7 @@ use rustc_middle::ty::fold::BoundVarReplacerDelegate; use rustc_middle::ty::fold::{TypeFoldable, TypeFolder, TypeSuperFoldable}; use rustc_middle::ty::relate::RelateResult; use rustc_middle::ty::visit::TypeVisitableExt; -use rustc_middle::ty::{self, GenericParamDefKind, InferConst, InferTy, Ty, TyCtxt}; +use rustc_middle::ty::{self, GenericParamDefKind, InferConst, Ty, TyCtxt}; use rustc_middle::ty::{ConstVid, EffectVid, FloatVid, IntVid, TyVid}; use rustc_middle::ty::{GenericArg, GenericArgKind, GenericArgs, GenericArgsRef}; use rustc_middle::{bug, span_bug}; @@ -1248,44 +1248,44 @@ impl<'tcx> InferCtxt<'tcx> { } pub fn shallow_resolve(&self, ty: Ty<'tcx>) -> Ty<'tcx> { - if let ty::Infer(v) = ty.kind() { self.fold_infer_ty(*v).unwrap_or(ty) } else { ty } - } - - // This is separate from `shallow_resolve` to keep that method small and inlinable. - #[inline(never)] - fn fold_infer_ty(&self, v: InferTy) -> Option> { - match v { - ty::TyVar(v) => { - // Not entirely obvious: if `typ` is a type variable, - // it can be resolved to an int/float variable, which - // can then be recursively resolved, hence the - // recursion. Note though that we prevent type - // variables from unifying to other type variables - // directly (though they may be embedded - // structurally), and we prevent cycles in any case, - // so this recursion should always be of very limited - // depth. - // - // Note: if these two lines are combined into one we get - // dynamic borrow errors on `self.inner`. - let known = self.inner.borrow_mut().type_variables().probe(v).known(); - known.map(|t| self.shallow_resolve(t)) - } - - ty::IntVar(v) => match self.inner.borrow_mut().int_unification_table().probe_value(v) { - ty::IntVarValue::Unknown => None, - ty::IntVarValue::IntType(ty) => Some(Ty::new_int(self.tcx, ty)), - ty::IntVarValue::UintType(ty) => Some(Ty::new_uint(self.tcx, ty)), - }, - - ty::FloatVar(v) => { - match self.inner.borrow_mut().float_unification_table().probe_value(v) { - ty::FloatVarValue::Unknown => None, - ty::FloatVarValue::Known(ty) => Some(Ty::new_float(self.tcx, ty)), + if let ty::Infer(v) = *ty.kind() { + match v { + ty::TyVar(v) => { + // Not entirely obvious: if `typ` is a type variable, + // it can be resolved to an int/float variable, which + // can then be recursively resolved, hence the + // recursion. Note though that we prevent type + // variables from unifying to other type variables + // directly (though they may be embedded + // structurally), and we prevent cycles in any case, + // so this recursion should always be of very limited + // depth. + // + // Note: if these two lines are combined into one we get + // dynamic borrow errors on `self.inner`. + let known = self.inner.borrow_mut().type_variables().probe(v).known(); + known.map_or(ty, |t| self.shallow_resolve(t)) } - } - ty::FreshTy(_) | ty::FreshIntTy(_) | ty::FreshFloatTy(_) => None, + ty::IntVar(v) => { + match self.inner.borrow_mut().int_unification_table().probe_value(v) { + ty::IntVarValue::Unknown => ty, + ty::IntVarValue::IntType(ty) => Ty::new_int(self.tcx, ty), + ty::IntVarValue::UintType(ty) => Ty::new_uint(self.tcx, ty), + } + } + + ty::FloatVar(v) => { + match self.inner.borrow_mut().float_unification_table().probe_value(v) { + ty::FloatVarValue::Unknown => ty, + ty::FloatVarValue::Known(ty) => Ty::new_float(self.tcx, ty), + } + } + + ty::FreshTy(_) | ty::FreshIntTy(_) | ty::FreshFloatTy(_) => ty, + } + } else { + ty } } From 208c316a61d3f21f834845ea35aca41369673f59 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sat, 1 Jun 2024 10:31:28 -0400 Subject: [PATCH 0842/1716] Address nits --- compiler/rustc_infer/src/infer/mod.rs | 8 ++++---- compiler/rustc_type_ir/src/ty_kind.rs | 22 ++++++++++++++++++---- 2 files changed, 22 insertions(+), 8 deletions(-) diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs index cb5c976ac1c2..3380f945241c 100644 --- a/compiler/rustc_infer/src/infer/mod.rs +++ b/compiler/rustc_infer/src/infer/mod.rs @@ -1269,16 +1269,16 @@ impl<'tcx> InferCtxt<'tcx> { ty::IntVar(v) => { match self.inner.borrow_mut().int_unification_table().probe_value(v) { - ty::IntVarValue::Unknown => ty, ty::IntVarValue::IntType(ty) => Ty::new_int(self.tcx, ty), ty::IntVarValue::UintType(ty) => Ty::new_uint(self.tcx, ty), + ty::IntVarValue::Unknown => ty, } } ty::FloatVar(v) => { match self.inner.borrow_mut().float_unification_table().probe_value(v) { - ty::FloatVarValue::Unknown => ty, ty::FloatVarValue::Known(ty) => Ty::new_float(self.tcx, ty), + ty::FloatVarValue::Unknown => ty, } } @@ -1644,7 +1644,7 @@ impl<'tcx> InferCtxt<'tcx> { // If `inlined_probe_value` returns a value it's always a // `ty::Int(_)` or `ty::UInt(_)`, which never matches a // `ty::Infer(_)`. - !self.inner.borrow_mut().int_unification_table().inlined_probe_value(v).is_unknown() + self.inner.borrow_mut().int_unification_table().inlined_probe_value(v).is_known() } TyOrConstInferVar::TyFloat(v) => { @@ -1652,7 +1652,7 @@ impl<'tcx> InferCtxt<'tcx> { // `ty::Float(_)`, which never matches a `ty::Infer(_)`. // // Not `inlined_probe_value(v)` because this call site is colder. - !self.inner.borrow_mut().float_unification_table().probe_value(v).is_unknown() + self.inner.borrow_mut().float_unification_table().probe_value(v).is_known() } TyOrConstInferVar::Const(v) => { diff --git a/compiler/rustc_type_ir/src/ty_kind.rs b/compiler/rustc_type_ir/src/ty_kind.rs index 28226f94fde5..ddff3a247843 100644 --- a/compiler/rustc_type_ir/src/ty_kind.rs +++ b/compiler/rustc_type_ir/src/ty_kind.rs @@ -723,8 +723,15 @@ pub enum IntVarValue { } impl IntVarValue { - pub fn is_unknown(&self) -> bool { - matches!(self, IntVarValue::Unknown) + pub fn is_known(self) -> bool { + match self { + IntVarValue::IntType(_) | IntVarValue::UintType(_) => true, + IntVarValue::Unknown => false, + } + } + + pub fn is_unknown(self) -> bool { + !self.is_known() } } @@ -735,8 +742,15 @@ pub enum FloatVarValue { } impl FloatVarValue { - pub fn is_unknown(&self) -> bool { - matches!(self, FloatVarValue::Unknown) + pub fn is_known(self) -> bool { + match self { + FloatVarValue::Known(_) => true, + FloatVarValue::Unknown => false, + } + } + + pub fn is_unknown(self) -> bool { + !self.is_known() } } From ee47480f4cae83279d884d6bcc9e5e6ddf3334b8 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Mon, 27 May 2024 18:32:17 -0400 Subject: [PATCH 0843/1716] Yeet PolyFnSig from Interner --- compiler/rustc_middle/src/ty/context.rs | 1 - compiler/rustc_middle/src/ty/structural_impls.rs | 12 ------------ compiler/rustc_type_ir/src/binder.rs | 15 ++++++++++++++- compiler/rustc_type_ir/src/interner.rs | 1 - compiler/rustc_type_ir/src/ty_kind.rs | 2 +- 5 files changed, 15 insertions(+), 16 deletions(-) diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index c2219fba023b..30dd887c88a2 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -113,7 +113,6 @@ impl<'tcx> Interner for TyCtxt<'tcx> { type ErrorGuaranteed = ErrorGuaranteed; type BoundExistentialPredicates = &'tcx List>; - type PolyFnSig = PolyFnSig<'tcx>; type AllocId = crate::mir::interpret::AllocId; type Pat = Pattern<'tcx>; diff --git a/compiler/rustc_middle/src/ty/structural_impls.rs b/compiler/rustc_middle/src/ty/structural_impls.rs index af3aa3b56f7b..90791bdd20dc 100644 --- a/compiler/rustc_middle/src/ty/structural_impls.rs +++ b/compiler/rustc_middle/src/ty/structural_impls.rs @@ -259,18 +259,6 @@ impl<'tcx> DebugWithInfcx> for Region<'tcx> { } } -impl<'tcx, T: DebugWithInfcx>> DebugWithInfcx> for ty::Binder<'tcx, T> { - fn fmt>>( - this: WithInfcx<'_, Infcx, &Self>, - f: &mut core::fmt::Formatter<'_>, - ) -> core::fmt::Result { - f.debug_tuple("Binder") - .field(&this.map(|data| data.as_ref().skip_binder())) - .field(&this.data.bound_vars()) - .finish() - } -} - /////////////////////////////////////////////////////////////////////////// // Atomic structs // diff --git a/compiler/rustc_type_ir/src/binder.rs b/compiler/rustc_type_ir/src/binder.rs index e50d59ba5f0e..9a2c9059967b 100644 --- a/compiler/rustc_type_ir/src/binder.rs +++ b/compiler/rustc_type_ir/src/binder.rs @@ -8,11 +8,12 @@ use rustc_macros::{HashStable_NoContext, TyDecodable, TyEncodable}; use rustc_serialize::Decodable; use tracing::debug; +use crate::debug::{DebugWithInfcx, WithInfcx}; use crate::fold::{FallibleTypeFolder, TypeFoldable, TypeFolder, TypeSuperFoldable}; use crate::inherent::*; use crate::lift::Lift; use crate::visit::{Flags, TypeSuperVisitable, TypeVisitable, TypeVisitableExt, TypeVisitor}; -use crate::{self as ty, Interner, SsoHashSet}; +use crate::{self as ty, InferCtxtLike, Interner, SsoHashSet}; /// Binder is a binder for higher-ranked lifetimes or types. It is part of the /// compiler's representation for things like `for<'a> Fn(&'a isize)` @@ -55,6 +56,18 @@ where } } +impl> DebugWithInfcx for ty::Binder { + fn fmt>( + this: WithInfcx<'_, Infcx, &Self>, + f: &mut core::fmt::Formatter<'_>, + ) -> core::fmt::Result { + f.debug_tuple("Binder") + .field(&this.map(|data| data.as_ref().skip_binder())) + .field(&this.data.bound_vars()) + .finish() + } +} + macro_rules! impl_binder_encode_decode { ($($t:ty),+ $(,)?) => { $( diff --git a/compiler/rustc_type_ir/src/interner.rs b/compiler/rustc_type_ir/src/interner.rs index 2a228c973d34..ca39318cc0c8 100644 --- a/compiler/rustc_type_ir/src/interner.rs +++ b/compiler/rustc_type_ir/src/interner.rs @@ -69,7 +69,6 @@ pub trait Interner: // Things stored inside of tys type ErrorGuaranteed: Copy + Debug + Hash + Eq; type BoundExistentialPredicates: Copy + DebugWithInfcx + Hash + Eq; - type PolyFnSig: Copy + DebugWithInfcx + Hash + Eq; type AllocId: Copy + Debug + Hash + Eq; type Pat: Copy + Debug + Hash + Eq + DebugWithInfcx; type Safety: Safety; diff --git a/compiler/rustc_type_ir/src/ty_kind.rs b/compiler/rustc_type_ir/src/ty_kind.rs index 38082bf3c16f..aa285169f276 100644 --- a/compiler/rustc_type_ir/src/ty_kind.rs +++ b/compiler/rustc_type_ir/src/ty_kind.rs @@ -141,7 +141,7 @@ pub enum TyKind { /// fn foo() -> i32 { 1 } /// let bar: fn() -> i32 = foo; /// ``` - FnPtr(I::PolyFnSig), + FnPtr(ty::Binder>), /// A trait object. Written as `dyn for<'b> Trait<'b, Assoc = u32> + Send + 'a`. Dynamic(I::BoundExistentialPredicates, I::Region, DynKind), From 5e802f07bae5a078c241ed1c2a122e756cbcad30 Mon Sep 17 00:00:00 2001 From: Hai-Hsin Date: Sat, 1 Jun 2024 23:13:33 +0800 Subject: [PATCH 0844/1716] rustc_codegen_ssa: fix get_rpath_relative_to_output panic when lib only contains file name --- compiler/rustc_codegen_ssa/src/back/rpath.rs | 5 +++++ .../rustc_codegen_ssa/src/back/rpath/tests.rs | 16 ++++++++++++++++ 2 files changed, 21 insertions(+) diff --git a/compiler/rustc_codegen_ssa/src/back/rpath.rs b/compiler/rustc_codegen_ssa/src/back/rpath.rs index 3114f1c38ae7..f499bbcf8533 100644 --- a/compiler/rustc_codegen_ssa/src/back/rpath.rs +++ b/compiler/rustc_codegen_ssa/src/back/rpath.rs @@ -85,6 +85,11 @@ fn get_rpath_relative_to_output(config: &RPathConfig<'_>, lib: &Path) -> OsStrin // Strip filenames let lib = lib.parent().unwrap(); let output = config.out_filename.parent().unwrap(); + + // If output or lib is empty, just assume it locates in current path + let lib = if lib == Path::new("") { Path::new(".") } else { lib }; + let output = if output == Path::new("") { Path::new(".") } else { output }; + let lib = try_canonicalize(lib).unwrap(); let output = try_canonicalize(output).unwrap(); let relative = path_relative_from(&lib, &output) diff --git a/compiler/rustc_codegen_ssa/src/back/rpath/tests.rs b/compiler/rustc_codegen_ssa/src/back/rpath/tests.rs index ac2e54072c41..0de90a1036ec 100644 --- a/compiler/rustc_codegen_ssa/src/back/rpath/tests.rs +++ b/compiler/rustc_codegen_ssa/src/back/rpath/tests.rs @@ -57,6 +57,22 @@ fn test_rpath_relative() { } } +#[test] +fn test_rpath_relative_issue_119571() { + let config = &mut RPathConfig { + libs: &[], + out_filename: PathBuf::from("rustc"), + has_rpath: true, + is_like_osx: false, + linker_is_gnu: true, + }; + // Should not panic when out_filename only contains filename. + // Issue 119571 + let _ = get_rpath_relative_to_output(config, Path::new("lib/libstd.so")); + // Should not panic when lib only contains filename. + let _ = get_rpath_relative_to_output(config, Path::new("libstd.so")); +} + #[test] fn test_xlinker() { let args = rpaths_to_flags(vec!["a/normal/path".into(), "a,comma,path".into()]); From 333458c2cbafbea22480075decc4a827f913a020 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Fri, 31 May 2024 14:13:46 -0400 Subject: [PATCH 0845/1716] Uplift TypeRelation and Relate --- compiler/rustc_borrowck/src/type_check/mod.rs | 5 +- compiler/rustc_codegen_gcc/src/type_of.rs | 2 +- .../src/debuginfo/metadata.rs | 3 +- .../src/debuginfo/metadata/enums/cpp_like.rs | 2 +- .../src/debuginfo/metadata/enums/mod.rs | 2 +- compiler/rustc_codegen_llvm/src/type_of.rs | 2 +- .../src/interpret/discriminant.rs | 2 +- compiler/rustc_middle/src/mir/query.rs | 2 +- compiler/rustc_middle/src/ty/context.rs | 4 +- compiler/rustc_middle/src/ty/generic_args.rs | 69 +- compiler/rustc_middle/src/ty/layout.rs | 2 +- compiler/rustc_middle/src/ty/mod.rs | 6 +- compiler/rustc_middle/src/ty/print/pretty.rs | 7 +- compiler/rustc_middle/src/ty/relate.rs | 22 - compiler/rustc_middle/src/ty/sty.rs | 731 ++---------------- compiler/rustc_mir_transform/src/coroutine.rs | 2 +- compiler/rustc_mir_transform/src/shim.rs | 4 +- compiler/rustc_mir_transform/src/validate.rs | 4 +- .../src/solve/assembly/structural_traits.rs | 8 +- .../rustc_trait_selection/src/traits/util.rs | 8 +- compiler/rustc_ty_utils/src/layout.rs | 3 +- compiler/rustc_type_ir/src/inherent.rs | 28 +- compiler/rustc_type_ir/src/interner.rs | 6 +- compiler/rustc_type_ir/src/predicate.rs | 2 +- compiler/rustc_type_ir/src/ty_kind.rs | 8 +- compiler/rustc_type_ir/src/ty_kind/closure.rs | 696 +++++++++++++++++ .../clippy/clippy_lints/src/eta_reduction.rs | 4 +- 27 files changed, 882 insertions(+), 752 deletions(-) create mode 100644 compiler/rustc_type_ir/src/ty_kind/closure.rs diff --git a/compiler/rustc_borrowck/src/type_check/mod.rs b/compiler/rustc_borrowck/src/type_check/mod.rs index a05fa967af03..291d2782c32c 100644 --- a/compiler/rustc_borrowck/src/type_check/mod.rs +++ b/compiler/rustc_borrowck/src/type_check/mod.rs @@ -27,8 +27,9 @@ use rustc_middle::ty::adjustment::PointerCoercion; use rustc_middle::ty::cast::CastTy; use rustc_middle::ty::visit::TypeVisitableExt; use rustc_middle::ty::{ - self, Binder, CanonicalUserTypeAnnotation, CanonicalUserTypeAnnotations, Dynamic, - OpaqueHiddenType, OpaqueTypeKey, RegionVid, Ty, TyCtxt, UserType, UserTypeAnnotationIndex, + self, Binder, CanonicalUserTypeAnnotation, CanonicalUserTypeAnnotations, CoroutineArgsExt, + Dynamic, OpaqueHiddenType, OpaqueTypeKey, RegionVid, Ty, TyCtxt, UserType, + UserTypeAnnotationIndex, }; use rustc_middle::ty::{GenericArgsRef, UserArgs}; use rustc_middle::{bug, span_bug}; diff --git a/compiler/rustc_codegen_gcc/src/type_of.rs b/compiler/rustc_codegen_gcc/src/type_of.rs index 2155cabe171c..a88d50cb4340 100644 --- a/compiler/rustc_codegen_gcc/src/type_of.rs +++ b/compiler/rustc_codegen_gcc/src/type_of.rs @@ -5,7 +5,7 @@ use rustc_codegen_ssa::traits::{BaseTypeMethods, DerivedTypeMethods, LayoutTypeM use rustc_middle::bug; use rustc_middle::ty::layout::{LayoutOf, TyAndLayout}; use rustc_middle::ty::print::with_no_trimmed_paths; -use rustc_middle::ty::{self, Ty, TypeVisitableExt}; +use rustc_middle::ty::{self, CoroutineArgsExt, Ty, TypeVisitableExt}; use rustc_target::abi::call::{CastTarget, FnAbi, Reg}; use rustc_target::abi::{ self, Abi, Align, FieldsShape, Float, Int, Integer, PointeeInfo, Pointer, Size, TyAbiInterface, diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs index 10d3c0d0e744..a543ccbde0ed 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs @@ -31,7 +31,8 @@ use rustc_hir::def_id::{DefId, LOCAL_CRATE}; use rustc_middle::bug; use rustc_middle::ty::layout::{LayoutOf, TyAndLayout}; use rustc_middle::ty::{ - self, AdtKind, Instance, ParamEnv, PolyExistentialTraitRef, Ty, TyCtxt, Visibility, + self, AdtKind, CoroutineArgsExt, Instance, ParamEnv, PolyExistentialTraitRef, Ty, TyCtxt, + Visibility, }; use rustc_session::config::{self, DebugInfo, Lto}; use rustc_span::symbol::Symbol; diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/cpp_like.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/cpp_like.rs index 4edef14422e5..12f98eef97d4 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/cpp_like.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/cpp_like.rs @@ -12,7 +12,7 @@ use rustc_middle::{ ty::{ self, layout::{LayoutOf, TyAndLayout}, - AdtDef, CoroutineArgs, Ty, + AdtDef, CoroutineArgs, CoroutineArgsExt, Ty, }, }; use rustc_target::abi::{Align, Endian, Size, TagEncoding, VariantIdx, Variants}; diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/mod.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/mod.rs index bacd74f430f7..2b00bb14593e 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/mod.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/mod.rs @@ -10,7 +10,7 @@ use rustc_middle::{ ty::{ self, layout::{IntegerExt, LayoutOf, PrimitiveExt, TyAndLayout}, - AdtDef, CoroutineArgs, Ty, VariantDef, + AdtDef, CoroutineArgs, CoroutineArgsExt, Ty, VariantDef, }, }; use rustc_span::Symbol; diff --git a/compiler/rustc_codegen_llvm/src/type_of.rs b/compiler/rustc_codegen_llvm/src/type_of.rs index 011d8ab57c75..7be941ed7498 100644 --- a/compiler/rustc_codegen_llvm/src/type_of.rs +++ b/compiler/rustc_codegen_llvm/src/type_of.rs @@ -4,7 +4,7 @@ use rustc_codegen_ssa::traits::*; use rustc_middle::bug; use rustc_middle::ty::layout::{LayoutOf, TyAndLayout}; use rustc_middle::ty::print::{with_no_trimmed_paths, with_no_visible_paths}; -use rustc_middle::ty::{self, Ty, TypeVisitableExt}; +use rustc_middle::ty::{self, CoroutineArgsExt, Ty, TypeVisitableExt}; use rustc_target::abi::{Abi, Align, FieldsShape}; use rustc_target::abi::{Float, Int, Pointer}; use rustc_target::abi::{Scalar, Size, Variants}; diff --git a/compiler/rustc_const_eval/src/interpret/discriminant.rs b/compiler/rustc_const_eval/src/interpret/discriminant.rs index 224d17dbf52b..67fbf9642bf0 100644 --- a/compiler/rustc_const_eval/src/interpret/discriminant.rs +++ b/compiler/rustc_const_eval/src/interpret/discriminant.rs @@ -3,7 +3,7 @@ use rustc_middle::mir; use rustc_middle::span_bug; use rustc_middle::ty::layout::{LayoutOf, PrimitiveExt}; -use rustc_middle::ty::{self, ScalarInt, Ty}; +use rustc_middle::ty::{self, CoroutineArgsExt, ScalarInt, Ty}; use rustc_target::abi::{self, TagEncoding}; use rustc_target::abi::{VariantIdx, Variants}; use tracing::{instrument, trace}; diff --git a/compiler/rustc_middle/src/mir/query.rs b/compiler/rustc_middle/src/mir/query.rs index 9d70231be3b0..46b38e4a6a60 100644 --- a/compiler/rustc_middle/src/mir/query.rs +++ b/compiler/rustc_middle/src/mir/query.rs @@ -1,7 +1,7 @@ //! Values computed by queries that use MIR. use crate::mir; -use crate::ty::{self, OpaqueHiddenType, Ty, TyCtxt}; +use crate::ty::{self, CoroutineArgsExt, OpaqueHiddenType, Ty, TyCtxt}; use rustc_data_structures::fx::FxIndexMap; use rustc_errors::ErrorGuaranteed; use rustc_hir::def_id::LocalDefId; diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index 30dd887c88a2..47f66c644062 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -90,7 +90,7 @@ impl<'tcx> Interner for TyCtxt<'tcx> { type AdtDef = ty::AdtDef<'tcx>; type GenericArgs = ty::GenericArgsRef<'tcx>; - type OwnItemArgs = &'tcx [ty::GenericArg<'tcx>]; + type GenericArgsSlice = &'tcx [ty::GenericArg<'tcx>]; type GenericArg = ty::GenericArg<'tcx>; type Term = ty::Term<'tcx>; @@ -190,7 +190,7 @@ impl<'tcx> Interner for TyCtxt<'tcx> { self, def_id: Self::DefId, args: Self::GenericArgs, - ) -> (rustc_type_ir::TraitRef, Self::OwnItemArgs) { + ) -> (rustc_type_ir::TraitRef, Self::GenericArgsSlice) { assert_matches!(self.def_kind(def_id), DefKind::AssocTy | DefKind::AssocConst); let trait_def_id = self.parent(def_id); assert_matches!(self.def_kind(trait_def_id), DefKind::Trait); diff --git a/compiler/rustc_middle/src/ty/generic_args.rs b/compiler/rustc_middle/src/ty/generic_args.rs index 7a516b9f2c80..c3ab755175d8 100644 --- a/compiler/rustc_middle/src/ty/generic_args.rs +++ b/compiler/rustc_middle/src/ty/generic_args.rs @@ -2,9 +2,10 @@ use crate::ty::codec::{TyDecoder, TyEncoder}; use crate::ty::fold::{FallibleTypeFolder, TypeFoldable}; -use crate::ty::sty::{ClosureArgs, CoroutineArgs, CoroutineClosureArgs, InlineConstArgs}; use crate::ty::visit::{TypeVisitable, TypeVisitor}; -use crate::ty::{self, Lift, List, Ty, TyCtxt}; +use crate::ty::{ + self, ClosureArgs, CoroutineArgs, CoroutineClosureArgs, InlineConstArgs, Lift, List, Ty, TyCtxt, +}; use rustc_ast_ir::visit::VisitorResult; use rustc_ast_ir::walk_visitable_list; @@ -56,6 +57,64 @@ impl<'tcx> rustc_type_ir::inherent::GenericArgs> for ty::GenericArg ) -> ty::GenericArgsRef<'tcx> { ty::GenericArgs::extend_with_error(tcx, def_id, original_args) } + + fn split_closure_args(self) -> ty::ClosureArgsParts> { + match self[..] { + [ref parent_args @ .., closure_kind_ty, closure_sig_as_fn_ptr_ty, tupled_upvars_ty] => { + ty::ClosureArgsParts { + parent_args, + closure_kind_ty: closure_kind_ty.expect_ty(), + closure_sig_as_fn_ptr_ty: closure_sig_as_fn_ptr_ty.expect_ty(), + tupled_upvars_ty: tupled_upvars_ty.expect_ty(), + } + } + _ => bug!("closure args missing synthetics"), + } + } + + fn split_coroutine_closure_args(self) -> ty::CoroutineClosureArgsParts> { + match self[..] { + [ + ref parent_args @ .., + closure_kind_ty, + signature_parts_ty, + tupled_upvars_ty, + coroutine_captures_by_ref_ty, + coroutine_witness_ty, + ] => ty::CoroutineClosureArgsParts { + parent_args, + closure_kind_ty: closure_kind_ty.expect_ty(), + signature_parts_ty: signature_parts_ty.expect_ty(), + tupled_upvars_ty: tupled_upvars_ty.expect_ty(), + coroutine_captures_by_ref_ty: coroutine_captures_by_ref_ty.expect_ty(), + coroutine_witness_ty: coroutine_witness_ty.expect_ty(), + }, + _ => bug!("closure args missing synthetics"), + } + } + + fn split_coroutine_args(self) -> ty::CoroutineArgsParts> { + match self[..] { + [ + ref parent_args @ .., + kind_ty, + resume_ty, + yield_ty, + return_ty, + witness, + tupled_upvars_ty, + ] => ty::CoroutineArgsParts { + parent_args, + kind_ty: kind_ty.expect_ty(), + resume_ty: resume_ty.expect_ty(), + yield_ty: yield_ty.expect_ty(), + return_ty: return_ty.expect_ty(), + witness: witness.expect_ty(), + tupled_upvars_ty: tupled_upvars_ty.expect_ty(), + }, + _ => bug!("coroutine args missing synthetics"), + } + } } impl<'tcx> rustc_type_ir::inherent::IntoKind for GenericArg<'tcx> { @@ -295,7 +354,7 @@ impl<'tcx> GenericArgs<'tcx> { /// Closure args have a particular structure controlled by the /// compiler that encodes information like the signature and closure kind; /// see `ty::ClosureArgs` struct for more comments. - pub fn as_closure(&'tcx self) -> ClosureArgs<'tcx> { + pub fn as_closure(&'tcx self) -> ClosureArgs> { ClosureArgs { args: self } } @@ -303,7 +362,7 @@ impl<'tcx> GenericArgs<'tcx> { /// Coroutine-closure args have a particular structure controlled by the /// compiler that encodes information like the signature and closure kind; /// see `ty::CoroutineClosureArgs` struct for more comments. - pub fn as_coroutine_closure(&'tcx self) -> CoroutineClosureArgs<'tcx> { + pub fn as_coroutine_closure(&'tcx self) -> CoroutineClosureArgs> { CoroutineClosureArgs { args: self } } @@ -311,7 +370,7 @@ impl<'tcx> GenericArgs<'tcx> { /// Coroutine args have a particular structure controlled by the /// compiler that encodes information like the signature and coroutine kind; /// see `ty::CoroutineArgs` struct for more comments. - pub fn as_coroutine(&'tcx self) -> CoroutineArgs<'tcx> { + pub fn as_coroutine(&'tcx self) -> CoroutineArgs> { CoroutineArgs { args: self } } diff --git a/compiler/rustc_middle/src/ty/layout.rs b/compiler/rustc_middle/src/ty/layout.rs index 60ce87440328..3c84ee5e7347 100644 --- a/compiler/rustc_middle/src/ty/layout.rs +++ b/compiler/rustc_middle/src/ty/layout.rs @@ -2,7 +2,7 @@ use crate::error::UnsupportedFnAbi; use crate::middle::codegen_fn_attrs::CodegenFnAttrFlags; use crate::query::TyCtxtAt; use crate::ty::normalize_erasing_regions::NormalizationError; -use crate::ty::{self, Ty, TyCtxt, TypeVisitableExt}; +use crate::ty::{self, CoroutineArgsExt, Ty, TyCtxt, TypeVisitableExt}; use rustc_error_messages::DiagMessage; use rustc_errors::{ Diag, DiagArgValue, DiagCtxt, Diagnostic, EmissionGuarantee, IntoDiagArg, Level, diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs index 90c154233dab..2643ce976ded 100644 --- a/compiler/rustc_middle/src/ty/mod.rs +++ b/compiler/rustc_middle/src/ty/mod.rs @@ -113,10 +113,8 @@ pub use self::region::{ pub use self::rvalue_scopes::RvalueScopes; pub use self::sty::{ AliasTy, Article, Binder, BoundTy, BoundTyKind, BoundVariableKind, CanonicalPolyFnSig, - ClosureArgs, ClosureArgsParts, CoroutineArgs, CoroutineArgsParts, CoroutineClosureArgs, - CoroutineClosureArgsParts, CoroutineClosureSignature, EarlyBinder, FnSig, GenSig, - InlineConstArgs, InlineConstArgsParts, ParamConst, ParamTy, PolyFnSig, TyKind, TypeAndMut, - UpvarArgs, VarianceDiagInfo, + CoroutineArgsExt, EarlyBinder, FnSig, InlineConstArgs, InlineConstArgsParts, ParamConst, + ParamTy, PolyFnSig, TyKind, TypeAndMut, UpvarArgs, VarianceDiagInfo, }; pub use self::trait_def::TraitDef; pub use self::typeck_results::{ diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs index 83790db99260..126da2f5a7c5 100644 --- a/compiler/rustc_middle/src/ty/print/pretty.rs +++ b/compiler/rustc_middle/src/ty/print/pretty.rs @@ -1938,7 +1938,10 @@ pub trait PrettyPrinter<'tcx>: Printer<'tcx> + fmt::Write { Ok(()) } - fn pretty_closure_as_impl(&mut self, closure: ty::ClosureArgs<'tcx>) -> Result<(), PrintError> { + fn pretty_closure_as_impl( + &mut self, + closure: ty::ClosureArgs>, + ) -> Result<(), PrintError> { let sig = closure.sig(); let kind = closure.kind_ty().to_opt_closure_kind().unwrap_or(ty::ClosureKind::Fn); @@ -2973,7 +2976,7 @@ impl<'tcx> ty::PolyTraitPredicate<'tcx> { #[derive(Debug, Copy, Clone, Lift)] pub struct PrintClosureAsImpl<'tcx> { - pub closure: ty::ClosureArgs<'tcx>, + pub closure: ty::ClosureArgs>, } macro_rules! forward_display_to_print { diff --git a/compiler/rustc_middle/src/ty/relate.rs b/compiler/rustc_middle/src/ty/relate.rs index f02b4849f83d..b41798588909 100644 --- a/compiler/rustc_middle/src/ty/relate.rs +++ b/compiler/rustc_middle/src/ty/relate.rs @@ -756,28 +756,6 @@ impl<'tcx> Relate<'tcx> for &'tcx ty::List> { } } -impl<'tcx> Relate<'tcx> for ty::ClosureArgs<'tcx> { - fn relate>( - relation: &mut R, - a: ty::ClosureArgs<'tcx>, - b: ty::ClosureArgs<'tcx>, - ) -> RelateResult<'tcx, ty::ClosureArgs<'tcx>> { - let args = relate_args_invariantly(relation, a.args, b.args)?; - Ok(ty::ClosureArgs { args }) - } -} - -impl<'tcx> Relate<'tcx> for ty::CoroutineArgs<'tcx> { - fn relate>( - relation: &mut R, - a: ty::CoroutineArgs<'tcx>, - b: ty::CoroutineArgs<'tcx>, - ) -> RelateResult<'tcx, ty::CoroutineArgs<'tcx>> { - let args = relate_args_invariantly(relation, a.args, b.args)?; - Ok(ty::CoroutineArgs { args }) - } -} - impl<'tcx> Relate<'tcx> for GenericArgsRef<'tcx> { fn relate>( relation: &mut R, diff --git a/compiler/rustc_middle/src/ty/sty.rs b/compiler/rustc_middle/src/ty/sty.rs index 5f7385fccc98..879396b06781 100644 --- a/compiler/rustc_middle/src/ty/sty.rs +++ b/compiler/rustc_middle/src/ty/sty.rs @@ -16,7 +16,7 @@ use rustc_errors::{ErrorGuaranteed, MultiSpan}; use rustc_hir as hir; use rustc_hir::def_id::DefId; use rustc_hir::LangItem; -use rustc_macros::{HashStable, Lift, TyDecodable, TyEncodable, TypeFoldable}; +use rustc_macros::{extension, HashStable, TyDecodable, TyEncodable, TypeFoldable}; use rustc_span::symbol::{sym, Symbol}; use rustc_span::{Span, DUMMY_SP}; use rustc_target::abi::{FieldIdx, VariantIdx, FIRST_VARIANT}; @@ -30,7 +30,6 @@ use ty::util::{AsyncDropGlueMorphology, IntTypeExt}; use rustc_type_ir::TyKind::*; use rustc_type_ir::{self as ir, BoundVar, CollectAndApply, DynKind}; -use super::fold::FnMutDelegate; use super::GenericParamDefKind; // Re-export and re-parameterize some `I = TyCtxt<'tcx>` types here @@ -60,670 +59,14 @@ impl<'tcx> Article for TyKind<'tcx> { } } -/// A closure can be modeled as a struct that looks like: -/// ```ignore (illustrative) -/// struct Closure<'l0...'li, T0...Tj, CK, CS, U>(...U); -/// ``` -/// where: -/// -/// - 'l0...'li and T0...Tj are the generic parameters -/// in scope on the function that defined the closure, -/// - CK represents the *closure kind* (Fn vs FnMut vs FnOnce). This -/// is rather hackily encoded via a scalar type. See -/// `Ty::to_opt_closure_kind` for details. -/// - CS represents the *closure signature*, representing as a `fn()` -/// type. For example, `fn(u32, u32) -> u32` would mean that the closure -/// implements `CK<(u32, u32), Output = u32>`, where `CK` is the trait -/// specified above. -/// - U is a type parameter representing the types of its upvars, tupled up -/// (borrowed, if appropriate; that is, if a U field represents a by-ref upvar, -/// and the up-var has the type `Foo`, then that field of U will be `&Foo`). -/// -/// So, for example, given this function: -/// ```ignore (illustrative) -/// fn foo<'a, T>(data: &'a mut T) { -/// do(|| data.count += 1) -/// } -/// ``` -/// the type of the closure would be something like: -/// ```ignore (illustrative) -/// struct Closure<'a, T, U>(...U); -/// ``` -/// Note that the type of the upvar is not specified in the struct. -/// You may wonder how the impl would then be able to use the upvar, -/// if it doesn't know it's type? The answer is that the impl is -/// (conceptually) not fully generic over Closure but rather tied to -/// instances with the expected upvar types: -/// ```ignore (illustrative) -/// impl<'b, 'a, T> FnMut() for Closure<'a, T, (&'b mut &'a mut T,)> { -/// ... -/// } -/// ``` -/// You can see that the *impl* fully specified the type of the upvar -/// and thus knows full well that `data` has type `&'b mut &'a mut T`. -/// (Here, I am assuming that `data` is mut-borrowed.) -/// -/// Now, the last question you may ask is: Why include the upvar types -/// in an extra type parameter? The reason for this design is that the -/// upvar types can reference lifetimes that are internal to the -/// creating function. In my example above, for example, the lifetime -/// `'b` represents the scope of the closure itself; this is some -/// subset of `foo`, probably just the scope of the call to the to -/// `do()`. If we just had the lifetime/type parameters from the -/// enclosing function, we couldn't name this lifetime `'b`. Note that -/// there can also be lifetimes in the types of the upvars themselves, -/// if one of them happens to be a reference to something that the -/// creating fn owns. -/// -/// OK, you say, so why not create a more minimal set of parameters -/// that just includes the extra lifetime parameters? The answer is -/// primarily that it would be hard --- we don't know at the time when -/// we create the closure type what the full types of the upvars are, -/// nor do we know which are borrowed and which are not. In this -/// design, we can just supply a fresh type parameter and figure that -/// out later. -/// -/// All right, you say, but why include the type parameters from the -/// original function then? The answer is that codegen may need them -/// when monomorphizing, and they may not appear in the upvars. A -/// closure could capture no variables but still make use of some -/// in-scope type parameter with a bound (e.g., if our example above -/// had an extra `U: Default`, and the closure called `U::default()`). -/// -/// There is another reason. This design (implicitly) prohibits -/// closures from capturing themselves (except via a trait -/// object). This simplifies closure inference considerably, since it -/// means that when we infer the kind of a closure or its upvars, we -/// don't have to handle cycles where the decisions we make for -/// closure C wind up influencing the decisions we ought to make for -/// closure C (which would then require fixed point iteration to -/// handle). Plus it fixes an ICE. :P -/// -/// ## Coroutines -/// -/// Coroutines are handled similarly in `CoroutineArgs`. The set of -/// type parameters is similar, but `CK` and `CS` are replaced by the -/// following type parameters: -/// -/// * `GS`: The coroutine's "resume type", which is the type of the -/// argument passed to `resume`, and the type of `yield` expressions -/// inside the coroutine. -/// * `GY`: The "yield type", which is the type of values passed to -/// `yield` inside the coroutine. -/// * `GR`: The "return type", which is the type of value returned upon -/// completion of the coroutine. -/// * `GW`: The "coroutine witness". -#[derive(Copy, Clone, PartialEq, Eq, Debug, TypeFoldable, TypeVisitable, Lift)] -pub struct ClosureArgs<'tcx> { - /// Lifetime and type parameters from the enclosing function, - /// concatenated with a tuple containing the types of the upvars. - /// - /// These are separated out because codegen wants to pass them around - /// when monomorphizing. - pub args: GenericArgsRef<'tcx>, -} - -/// Struct returned by `split()`. -pub struct ClosureArgsParts<'tcx> { - /// This is the args of the typeck root. - pub parent_args: &'tcx [GenericArg<'tcx>], - /// Represents the maximum calling capability of the closure. - pub closure_kind_ty: Ty<'tcx>, - /// Captures the closure's signature. This closure signature is "tupled", and - /// thus has a peculiar signature of `extern "rust-call" fn((Args, ...)) -> Ty`. - pub closure_sig_as_fn_ptr_ty: Ty<'tcx>, - /// The upvars captured by the closure. Remains an inference variable - /// until the upvar analysis, which happens late in HIR typeck. - pub tupled_upvars_ty: Ty<'tcx>, -} - -impl<'tcx> ClosureArgs<'tcx> { - /// Construct `ClosureArgs` from `ClosureArgsParts`, containing `Args` - /// for the closure parent, alongside additional closure-specific components. - pub fn new(tcx: TyCtxt<'tcx>, parts: ClosureArgsParts<'tcx>) -> ClosureArgs<'tcx> { - ClosureArgs { - args: tcx.mk_args_from_iter(parts.parent_args.iter().copied().chain([ - parts.closure_kind_ty.into(), - parts.closure_sig_as_fn_ptr_ty.into(), - parts.tupled_upvars_ty.into(), - ])), - } - } - - /// Divides the closure args into their respective components. - /// The ordering assumed here must match that used by `ClosureArgs::new` above. - fn split(self) -> ClosureArgsParts<'tcx> { - match self.args[..] { - [ref parent_args @ .., closure_kind_ty, closure_sig_as_fn_ptr_ty, tupled_upvars_ty] => { - ClosureArgsParts { - parent_args, - closure_kind_ty: closure_kind_ty.expect_ty(), - closure_sig_as_fn_ptr_ty: closure_sig_as_fn_ptr_ty.expect_ty(), - tupled_upvars_ty: tupled_upvars_ty.expect_ty(), - } - } - _ => bug!("closure args missing synthetics"), - } - } - - /// Returns the generic parameters of the closure's parent. - pub fn parent_args(self) -> &'tcx [GenericArg<'tcx>] { - self.split().parent_args - } - - /// Returns an iterator over the list of types of captured paths by the closure. - /// In case there was a type error in figuring out the types of the captured path, an - /// empty iterator is returned. - #[inline] - pub fn upvar_tys(self) -> &'tcx List> { - match *self.tupled_upvars_ty().kind() { - TyKind::Error(_) => ty::List::empty(), - TyKind::Tuple(tys) => tys, - TyKind::Infer(_) => bug!("upvar_tys called before capture types are inferred"), - ty => bug!("Unexpected representation of upvar types tuple {:?}", ty), - } - } - - /// Returns the tuple type representing the upvars for this closure. - #[inline] - pub fn tupled_upvars_ty(self) -> Ty<'tcx> { - self.split().tupled_upvars_ty - } - - /// Returns the closure kind for this closure; may return a type - /// variable during inference. To get the closure kind during - /// inference, use `infcx.closure_kind(args)`. - pub fn kind_ty(self) -> Ty<'tcx> { - self.split().closure_kind_ty - } - - /// Returns the `fn` pointer type representing the closure signature for this - /// closure. - // FIXME(eddyb) this should be unnecessary, as the shallowly resolved - // type is known at the time of the creation of `ClosureArgs`, - // see `rustc_hir_analysis::check::closure`. - pub fn sig_as_fn_ptr_ty(self) -> Ty<'tcx> { - self.split().closure_sig_as_fn_ptr_ty - } - - /// Returns the closure kind for this closure; only usable outside - /// of an inference context, because in that context we know that - /// there are no type variables. - /// - /// If you have an inference context, use `infcx.closure_kind()`. - pub fn kind(self) -> ty::ClosureKind { - self.kind_ty().to_opt_closure_kind().unwrap() - } - - /// Extracts the signature from the closure. - pub fn sig(self) -> ty::PolyFnSig<'tcx> { - match *self.sig_as_fn_ptr_ty().kind() { - ty::FnPtr(sig) => sig, - ty => bug!("closure_sig_as_fn_ptr_ty is not a fn-ptr: {ty:?}"), - } - } - - pub fn print_as_impl_trait(self) -> ty::print::PrintClosureAsImpl<'tcx> { - ty::print::PrintClosureAsImpl { closure: self } - } -} - -#[derive(Copy, Clone, PartialEq, Eq, Debug, TypeFoldable, TypeVisitable, Lift)] -pub struct CoroutineClosureArgs<'tcx> { - pub args: GenericArgsRef<'tcx>, -} - -/// See docs for explanation of how each argument is used. -/// -/// See [`CoroutineClosureSignature`] for how these arguments are put together -/// to make a callable [`FnSig`] suitable for typeck and borrowck. -pub struct CoroutineClosureArgsParts<'tcx> { - /// This is the args of the typeck root. - pub parent_args: &'tcx [GenericArg<'tcx>], - /// Represents the maximum calling capability of the closure. - pub closure_kind_ty: Ty<'tcx>, - /// Represents all of the relevant parts of the coroutine returned by this - /// coroutine-closure. This signature parts type will have the general - /// shape of `fn(tupled_inputs, resume_ty) -> (return_ty, yield_ty)`, where - /// `resume_ty`, `return_ty`, and `yield_ty` are the respective types for the - /// coroutine returned by the coroutine-closure. - /// - /// Use `coroutine_closure_sig` to break up this type rather than using it - /// yourself. - pub signature_parts_ty: Ty<'tcx>, - /// The upvars captured by the closure. Remains an inference variable - /// until the upvar analysis, which happens late in HIR typeck. - pub tupled_upvars_ty: Ty<'tcx>, - /// a function pointer that has the shape `for<'env> fn() -> (&'env T, ...)`. - /// This allows us to represent the binder of the self-captures of the closure. - /// - /// For example, if the coroutine returned by the closure borrows `String` - /// from the closure's upvars, this will be `for<'env> fn() -> (&'env String,)`, - /// while the `tupled_upvars_ty`, representing the by-move version of the same - /// captures, will be `(String,)`. - pub coroutine_captures_by_ref_ty: Ty<'tcx>, - /// Witness type returned by the generator produced by this coroutine-closure. - pub coroutine_witness_ty: Ty<'tcx>, -} - -impl<'tcx> CoroutineClosureArgs<'tcx> { - pub fn new( - tcx: TyCtxt<'tcx>, - parts: CoroutineClosureArgsParts<'tcx>, - ) -> CoroutineClosureArgs<'tcx> { - CoroutineClosureArgs { - args: tcx.mk_args_from_iter(parts.parent_args.iter().copied().chain([ - parts.closure_kind_ty.into(), - parts.signature_parts_ty.into(), - parts.tupled_upvars_ty.into(), - parts.coroutine_captures_by_ref_ty.into(), - parts.coroutine_witness_ty.into(), - ])), - } - } - - fn split(self) -> CoroutineClosureArgsParts<'tcx> { - match self.args[..] { - [ - ref parent_args @ .., - closure_kind_ty, - signature_parts_ty, - tupled_upvars_ty, - coroutine_captures_by_ref_ty, - coroutine_witness_ty, - ] => CoroutineClosureArgsParts { - parent_args, - closure_kind_ty: closure_kind_ty.expect_ty(), - signature_parts_ty: signature_parts_ty.expect_ty(), - tupled_upvars_ty: tupled_upvars_ty.expect_ty(), - coroutine_captures_by_ref_ty: coroutine_captures_by_ref_ty.expect_ty(), - coroutine_witness_ty: coroutine_witness_ty.expect_ty(), - }, - _ => bug!("closure args missing synthetics"), - } - } - - pub fn parent_args(self) -> &'tcx [GenericArg<'tcx>] { - self.split().parent_args - } - - #[inline] - pub fn upvar_tys(self) -> &'tcx List> { - match self.tupled_upvars_ty().kind() { - TyKind::Error(_) => ty::List::empty(), - TyKind::Tuple(..) => self.tupled_upvars_ty().tuple_fields(), - TyKind::Infer(_) => bug!("upvar_tys called before capture types are inferred"), - ty => bug!("Unexpected representation of upvar types tuple {:?}", ty), - } - } - - #[inline] - pub fn tupled_upvars_ty(self) -> Ty<'tcx> { - self.split().tupled_upvars_ty - } - - pub fn kind_ty(self) -> Ty<'tcx> { - self.split().closure_kind_ty - } - - pub fn kind(self) -> ty::ClosureKind { - self.kind_ty().to_opt_closure_kind().unwrap() - } - - pub fn signature_parts_ty(self) -> Ty<'tcx> { - self.split().signature_parts_ty - } - - pub fn coroutine_closure_sig(self) -> Binder<'tcx, CoroutineClosureSignature<'tcx>> { - let interior = self.coroutine_witness_ty(); - let ty::FnPtr(sig) = self.signature_parts_ty().kind() else { bug!() }; - sig.map_bound(|sig| { - let [resume_ty, tupled_inputs_ty] = *sig.inputs() else { - bug!(); - }; - let [yield_ty, return_ty] = **sig.output().tuple_fields() else { bug!() }; - CoroutineClosureSignature { - interior, - tupled_inputs_ty, - resume_ty, - yield_ty, - return_ty, - c_variadic: sig.c_variadic, - safety: sig.safety, - abi: sig.abi, - } - }) - } - - pub fn coroutine_captures_by_ref_ty(self) -> Ty<'tcx> { - self.split().coroutine_captures_by_ref_ty - } - - pub fn coroutine_witness_ty(self) -> Ty<'tcx> { - self.split().coroutine_witness_ty - } - - pub fn has_self_borrows(&self) -> bool { - match self.coroutine_captures_by_ref_ty().kind() { - ty::FnPtr(sig) => sig - .skip_binder() - .visit_with(&mut HasRegionsBoundAt { binder: ty::INNERMOST }) - .is_break(), - ty::Error(_) => true, - _ => bug!(), - } - } -} -/// Unlike `has_escaping_bound_vars` or `outermost_exclusive_binder`, this will -/// detect only regions bound *at* the debruijn index. -struct HasRegionsBoundAt { - binder: ty::DebruijnIndex, -} -// FIXME: Could be optimized to not walk into components with no escaping bound vars. -impl<'tcx> TypeVisitor> for HasRegionsBoundAt { - type Result = ControlFlow<()>; - fn visit_binder>>( - &mut self, - t: &ty::Binder<'tcx, T>, - ) -> Self::Result { - self.binder.shift_in(1); - t.super_visit_with(self)?; - self.binder.shift_out(1); - ControlFlow::Continue(()) - } - - fn visit_region(&mut self, r: ty::Region<'tcx>) -> Self::Result { - if let ty::ReBound(binder, _) = *r - && self.binder == binder - { - ControlFlow::Break(()) - } else { - ControlFlow::Continue(()) - } - } -} - -#[derive(Copy, Clone, PartialEq, Eq, Debug, TypeFoldable, TypeVisitable)] -pub struct CoroutineClosureSignature<'tcx> { - pub interior: Ty<'tcx>, - pub tupled_inputs_ty: Ty<'tcx>, - pub resume_ty: Ty<'tcx>, - pub yield_ty: Ty<'tcx>, - pub return_ty: Ty<'tcx>, - - // Like the `fn_sig_as_fn_ptr_ty` of a regular closure, these types - // never actually differ. But we save them rather than recreating them - // from scratch just for good measure. - /// Always false - pub c_variadic: bool, - /// Always [`hir::Safety::Safe`] - pub safety: hir::Safety, - /// Always [`abi::Abi::RustCall`] - pub abi: abi::Abi, -} - -impl<'tcx> CoroutineClosureSignature<'tcx> { - /// Construct a coroutine from the closure signature. Since a coroutine signature - /// is agnostic to the type of generator that is returned (by-ref/by-move), - /// the caller must specify what "flavor" of generator that they'd like to - /// create. Additionally, they must manually compute the upvars of the closure. - /// - /// This helper is not really meant to be used directly except for early on - /// during typeck, when we want to put inference vars into the kind and upvars tys. - /// When the kind and upvars are known, use the other helper functions. - pub fn to_coroutine( - self, - tcx: TyCtxt<'tcx>, - parent_args: &'tcx [GenericArg<'tcx>], - coroutine_kind_ty: Ty<'tcx>, - coroutine_def_id: DefId, - tupled_upvars_ty: Ty<'tcx>, - ) -> Ty<'tcx> { - let coroutine_args = ty::CoroutineArgs::new( - tcx, - ty::CoroutineArgsParts { - parent_args, - kind_ty: coroutine_kind_ty, - resume_ty: self.resume_ty, - yield_ty: self.yield_ty, - return_ty: self.return_ty, - witness: self.interior, - tupled_upvars_ty, - }, - ); - - Ty::new_coroutine(tcx, coroutine_def_id, coroutine_args.args) - } - - /// Given known upvars and a [`ClosureKind`](ty::ClosureKind), compute the coroutine - /// returned by that corresponding async fn trait. - /// - /// This function expects the upvars to have been computed already, and doesn't check - /// that the `ClosureKind` is actually supported by the coroutine-closure. - pub fn to_coroutine_given_kind_and_upvars( - self, - tcx: TyCtxt<'tcx>, - parent_args: &'tcx [GenericArg<'tcx>], - coroutine_def_id: DefId, - goal_kind: ty::ClosureKind, - env_region: ty::Region<'tcx>, - closure_tupled_upvars_ty: Ty<'tcx>, - coroutine_captures_by_ref_ty: Ty<'tcx>, - ) -> Ty<'tcx> { - let tupled_upvars_ty = Self::tupled_upvars_by_closure_kind( - tcx, - goal_kind, - self.tupled_inputs_ty, - closure_tupled_upvars_ty, - coroutine_captures_by_ref_ty, - env_region, - ); - - self.to_coroutine( - tcx, - parent_args, - Ty::from_coroutine_closure_kind(tcx, goal_kind), - coroutine_def_id, - tupled_upvars_ty, - ) - } - - /// Compute the tupled upvars that a coroutine-closure's output coroutine - /// would return for the given `ClosureKind`. - /// - /// When `ClosureKind` is `FnMut`/`Fn`, then this will use the "captures by ref" - /// to return a set of upvars which are borrowed with the given `env_region`. - /// - /// This ensures that the `AsyncFn::call` will return a coroutine whose upvars' - /// lifetimes are related to the lifetime of the borrow on the closure made for - /// the call. This allows borrowck to enforce the self-borrows correctly. - pub fn tupled_upvars_by_closure_kind( - tcx: TyCtxt<'tcx>, - kind: ty::ClosureKind, - tupled_inputs_ty: Ty<'tcx>, - closure_tupled_upvars_ty: Ty<'tcx>, - coroutine_captures_by_ref_ty: Ty<'tcx>, - env_region: ty::Region<'tcx>, - ) -> Ty<'tcx> { - match kind { - ty::ClosureKind::Fn | ty::ClosureKind::FnMut => { - let ty::FnPtr(sig) = *coroutine_captures_by_ref_ty.kind() else { - bug!(); - }; - let coroutine_captures_by_ref_ty = tcx.replace_escaping_bound_vars_uncached( - sig.output().skip_binder(), - FnMutDelegate { - consts: &mut |c, t| ty::Const::new_bound(tcx, ty::INNERMOST, c, t), - types: &mut |t| Ty::new_bound(tcx, ty::INNERMOST, t), - regions: &mut |_| env_region, - }, - ); - Ty::new_tup_from_iter( - tcx, - tupled_inputs_ty - .tuple_fields() - .iter() - .chain(coroutine_captures_by_ref_ty.tuple_fields()), - ) - } - ty::ClosureKind::FnOnce => Ty::new_tup_from_iter( - tcx, - tupled_inputs_ty - .tuple_fields() - .iter() - .chain(closure_tupled_upvars_ty.tuple_fields()), - ), - } - } -} -/// Similar to `ClosureArgs`; see the above documentation for more. -#[derive(Copy, Clone, PartialEq, Eq, Debug, TypeFoldable, TypeVisitable)] -pub struct CoroutineArgs<'tcx> { - pub args: GenericArgsRef<'tcx>, -} - -pub struct CoroutineArgsParts<'tcx> { - /// This is the args of the typeck root. - pub parent_args: &'tcx [GenericArg<'tcx>], - - /// The coroutines returned by a coroutine-closure's `AsyncFnOnce`/`AsyncFnMut` - /// implementations must be distinguished since the former takes the closure's - /// upvars by move, and the latter takes the closure's upvars by ref. - /// - /// This field distinguishes these fields so that codegen can select the right - /// body for the coroutine. This has the same type representation as the closure - /// kind: `i8`/`i16`/`i32`. - /// - /// For regular coroutines, this field will always just be `()`. - pub kind_ty: Ty<'tcx>, - - pub resume_ty: Ty<'tcx>, - pub yield_ty: Ty<'tcx>, - pub return_ty: Ty<'tcx>, - - /// The interior type of the coroutine. - /// Represents all types that are stored in locals - /// in the coroutine's body. - pub witness: Ty<'tcx>, - - /// The upvars captured by the closure. Remains an inference variable - /// until the upvar analysis, which happens late in HIR typeck. - pub tupled_upvars_ty: Ty<'tcx>, -} - -impl<'tcx> CoroutineArgs<'tcx> { - /// Construct `CoroutineArgs` from `CoroutineArgsParts`, containing `Args` - /// for the coroutine parent, alongside additional coroutine-specific components. - pub fn new(tcx: TyCtxt<'tcx>, parts: CoroutineArgsParts<'tcx>) -> CoroutineArgs<'tcx> { - CoroutineArgs { - args: tcx.mk_args_from_iter(parts.parent_args.iter().copied().chain([ - parts.kind_ty.into(), - parts.resume_ty.into(), - parts.yield_ty.into(), - parts.return_ty.into(), - parts.witness.into(), - parts.tupled_upvars_ty.into(), - ])), - } - } - - /// Divides the coroutine args into their respective components. - /// The ordering assumed here must match that used by `CoroutineArgs::new` above. - fn split(self) -> CoroutineArgsParts<'tcx> { - match self.args[..] { - [ - ref parent_args @ .., - kind_ty, - resume_ty, - yield_ty, - return_ty, - witness, - tupled_upvars_ty, - ] => CoroutineArgsParts { - parent_args, - kind_ty: kind_ty.expect_ty(), - resume_ty: resume_ty.expect_ty(), - yield_ty: yield_ty.expect_ty(), - return_ty: return_ty.expect_ty(), - witness: witness.expect_ty(), - tupled_upvars_ty: tupled_upvars_ty.expect_ty(), - }, - _ => bug!("coroutine args missing synthetics"), - } - } - - /// Returns the generic parameters of the coroutine's parent. - pub fn parent_args(self) -> &'tcx [GenericArg<'tcx>] { - self.split().parent_args - } - - // Returns the kind of the coroutine. See docs on the `kind_ty` field. - pub fn kind_ty(self) -> Ty<'tcx> { - self.split().kind_ty - } - - /// This describes the types that can be contained in a coroutine. - /// It will be a type variable initially and unified in the last stages of typeck of a body. - /// It contains a tuple of all the types that could end up on a coroutine frame. - /// The state transformation MIR pass may only produce layouts which mention types - /// in this tuple. Upvars are not counted here. - pub fn witness(self) -> Ty<'tcx> { - self.split().witness - } - - /// Returns an iterator over the list of types of captured paths by the coroutine. - /// In case there was a type error in figuring out the types of the captured path, an - /// empty iterator is returned. - #[inline] - pub fn upvar_tys(self) -> &'tcx List> { - match *self.tupled_upvars_ty().kind() { - TyKind::Error(_) => ty::List::empty(), - TyKind::Tuple(tys) => tys, - TyKind::Infer(_) => bug!("upvar_tys called before capture types are inferred"), - ty => bug!("Unexpected representation of upvar types tuple {:?}", ty), - } - } - - /// Returns the tuple type representing the upvars for this coroutine. - #[inline] - pub fn tupled_upvars_ty(self) -> Ty<'tcx> { - self.split().tupled_upvars_ty - } - - /// Returns the type representing the resume type of the coroutine. - pub fn resume_ty(self) -> Ty<'tcx> { - self.split().resume_ty - } - - /// Returns the type representing the yield type of the coroutine. - pub fn yield_ty(self) -> Ty<'tcx> { - self.split().yield_ty - } - - /// Returns the type representing the return type of the coroutine. - pub fn return_ty(self) -> Ty<'tcx> { - self.split().return_ty - } - - /// Returns the "coroutine signature", which consists of its resume, yield - /// and return types. - pub fn sig(self) -> GenSig<'tcx> { - let parts = self.split(); - ty::GenSig { - resume_ty: parts.resume_ty, - yield_ty: parts.yield_ty, - return_ty: parts.return_ty, - } - } -} - -impl<'tcx> CoroutineArgs<'tcx> { +#[extension(pub trait CoroutineArgsExt<'tcx>)] +impl<'tcx> ty::CoroutineArgs> { /// Coroutine has not been resumed yet. - pub const UNRESUMED: usize = 0; + const UNRESUMED: usize = 0; /// Coroutine has returned or is completed. - pub const RETURNED: usize = 1; + const RETURNED: usize = 1; /// Coroutine has been poisoned. - pub const POISONED: usize = 2; + const POISONED: usize = 2; const UNRESUMED_NAME: &'static str = "Unresumed"; const RETURNED_NAME: &'static str = "Returned"; @@ -731,7 +74,7 @@ impl<'tcx> CoroutineArgs<'tcx> { /// The valid variant indices of this coroutine. #[inline] - pub fn variant_range(&self, def_id: DefId, tcx: TyCtxt<'tcx>) -> Range { + fn variant_range(&self, def_id: DefId, tcx: TyCtxt<'tcx>) -> Range { // FIXME requires optimized MIR FIRST_VARIANT ..tcx.coroutine_layout(def_id, tcx.types.unit).unwrap().variant_fields.next_index() @@ -740,7 +83,7 @@ impl<'tcx> CoroutineArgs<'tcx> { /// The discriminant for the given variant. Panics if the `variant_index` is /// out of range. #[inline] - pub fn discriminant_for_variant( + fn discriminant_for_variant( &self, def_id: DefId, tcx: TyCtxt<'tcx>, @@ -755,7 +98,7 @@ impl<'tcx> CoroutineArgs<'tcx> { /// The set of all discriminants for the coroutine, enumerated with their /// variant indices. #[inline] - pub fn discriminants( + fn discriminants( self, def_id: DefId, tcx: TyCtxt<'tcx>, @@ -767,7 +110,7 @@ impl<'tcx> CoroutineArgs<'tcx> { /// Calls `f` with a reference to the name of the enumerator for the given /// variant `v`. - pub fn variant_name(v: VariantIdx) -> Cow<'static, str> { + fn variant_name(v: VariantIdx) -> Cow<'static, str> { match v.as_usize() { Self::UNRESUMED => Cow::from(Self::UNRESUMED_NAME), Self::RETURNED => Cow::from(Self::RETURNED_NAME), @@ -778,7 +121,7 @@ impl<'tcx> CoroutineArgs<'tcx> { /// The type of the state discriminant used in the coroutine type. #[inline] - pub fn discr_ty(&self, tcx: TyCtxt<'tcx>) -> Ty<'tcx> { + fn discr_ty(&self, tcx: TyCtxt<'tcx>) -> Ty<'tcx> { tcx.types.u32 } @@ -789,7 +132,7 @@ impl<'tcx> CoroutineArgs<'tcx> { /// The locals are grouped by their variant number. Note that some locals may /// be repeated in multiple variants. #[inline] - pub fn state_tys( + fn state_tys( self, def_id: DefId, tcx: TyCtxt<'tcx>, @@ -805,7 +148,7 @@ impl<'tcx> CoroutineArgs<'tcx> { /// This is the types of the fields of a coroutine which are not stored in a /// variant. #[inline] - pub fn prefix_tys(self) -> &'tcx List> { + fn prefix_tys(self) -> &'tcx List> { self.upvar_tys() } } @@ -859,7 +202,7 @@ impl<'tcx> UpvarArgs<'tcx> { /// /// When the inline const is instantiated, `R` is instantiated as the actual inferred /// type of the constant. The reason that `R` is represented as an extra type parameter -/// is the same reason that [`ClosureArgs`] have `CS` and `U` as type parameters: +/// is the same reason that [`ty::ClosureArgs`] have `CS` and `U` as type parameters: /// inline const can reference lifetimes that are internal to the creating function. #[derive(Copy, Clone, Debug)] pub struct InlineConstArgs<'tcx> { @@ -938,13 +281,6 @@ impl BoundVariableKind { } } -#[derive(Copy, Clone, Debug, TypeFoldable, TypeVisitable)] -pub struct GenSig<'tcx> { - pub resume_ty: Ty<'tcx>, - pub yield_ty: Ty<'tcx>, - pub return_ty: Ty<'tcx>, -} - pub type PolyFnSig<'tcx> = Binder<'tcx, FnSig<'tcx>>; pub type CanonicalPolyFnSig<'tcx> = Canonical<'tcx, Binder<'tcx, FnSig<'tcx>>>; @@ -1451,6 +787,41 @@ impl<'tcx> rustc_type_ir::inherent::Ty> for Ty<'tcx> { ) -> Self { Ty::new_alias(interner, kind, alias_ty) } + + fn new_coroutine( + interner: TyCtxt<'tcx>, + def_id: DefId, + args: ty::GenericArgsRef<'tcx>, + ) -> Self { + Ty::new_coroutine(interner, def_id, args) + } + + fn new_tup_from_iter(interner: TyCtxt<'tcx>, iter: It) -> T::Output + where + It: Iterator, + T: CollectAndApply, + { + Ty::new_tup_from_iter(interner, iter) + } + + fn tuple_fields(self) -> &'tcx ty::List> { + self.tuple_fields() + } + + fn to_opt_closure_kind(self) -> Option { + self.to_opt_closure_kind() + } + + fn from_closure_kind(interner: TyCtxt<'tcx>, kind: ty::ClosureKind) -> Self { + Ty::from_closure_kind(interner, kind) + } + + fn from_coroutine_closure_kind( + interner: TyCtxt<'tcx>, + kind: rustc_type_ir::ClosureKind, + ) -> Self { + Ty::from_coroutine_closure_kind(interner, kind) + } } /// Type utilities @@ -2169,8 +1540,8 @@ impl<'tcx> Ty<'tcx> { /// } /// ``` /// - /// After upvar analysis, you should instead use [`ClosureArgs::kind()`] - /// or [`CoroutineClosureArgs::kind()`] to assert that the `ClosureKind` + /// After upvar analysis, you should instead use [`ty::ClosureArgs::kind()`] + /// or [`ty::CoroutineClosureArgs::kind()`] to assert that the `ClosureKind` /// has been constrained instead of manually calling this method. /// /// ```rust,ignore (snippet of compiler code) diff --git a/compiler/rustc_mir_transform/src/coroutine.rs b/compiler/rustc_mir_transform/src/coroutine.rs index a3e6e5a5a915..ade2ac0080e5 100644 --- a/compiler/rustc_mir_transform/src/coroutine.rs +++ b/compiler/rustc_mir_transform/src/coroutine.rs @@ -69,7 +69,7 @@ use rustc_middle::mir::visit::{MutVisitor, PlaceContext, Visitor}; use rustc_middle::mir::*; use rustc_middle::ty::CoroutineArgs; use rustc_middle::ty::InstanceDef; -use rustc_middle::ty::{self, Ty, TyCtxt}; +use rustc_middle::ty::{self, CoroutineArgsExt, Ty, TyCtxt}; use rustc_middle::{bug, span_bug}; use rustc_mir_dataflow::impls::{ MaybeBorrowedLocals, MaybeLiveLocals, MaybeRequiresStorage, MaybeStorageLive, diff --git a/compiler/rustc_mir_transform/src/shim.rs b/compiler/rustc_mir_transform/src/shim.rs index dcf54ad2cfc8..d03c2d18c0c3 100644 --- a/compiler/rustc_mir_transform/src/shim.rs +++ b/compiler/rustc_mir_transform/src/shim.rs @@ -4,7 +4,7 @@ use rustc_hir::lang_items::LangItem; use rustc_middle::mir::*; use rustc_middle::query::Providers; use rustc_middle::ty::GenericArgs; -use rustc_middle::ty::{self, CoroutineArgs, EarlyBinder, Ty, TyCtxt}; +use rustc_middle::ty::{self, CoroutineArgs, CoroutineArgsExt, EarlyBinder, Ty, TyCtxt}; use rustc_middle::{bug, span_bug}; use rustc_target::abi::{FieldIdx, VariantIdx, FIRST_VARIANT}; @@ -634,7 +634,7 @@ impl<'tcx> CloneShimBuilder<'tcx> { dest: Place<'tcx>, src: Place<'tcx>, coroutine_def_id: DefId, - args: CoroutineArgs<'tcx>, + args: CoroutineArgs>, ) { self.block(vec![], TerminatorKind::Goto { target: self.block_index_offset(3) }, false); let unwind = self.block(vec![], TerminatorKind::UnwindResume, true); diff --git a/compiler/rustc_mir_transform/src/validate.rs b/compiler/rustc_mir_transform/src/validate.rs index 851e16559580..5e83a6f373aa 100644 --- a/compiler/rustc_mir_transform/src/validate.rs +++ b/compiler/rustc_mir_transform/src/validate.rs @@ -8,7 +8,9 @@ use rustc_middle::mir::coverage::CoverageKind; use rustc_middle::mir::interpret::Scalar; use rustc_middle::mir::visit::{NonUseContext, PlaceContext, Visitor}; use rustc_middle::mir::*; -use rustc_middle::ty::{self, InstanceDef, ParamEnv, Ty, TyCtxt, TypeVisitableExt, Variance}; +use rustc_middle::ty::{ + self, CoroutineArgsExt, InstanceDef, ParamEnv, Ty, TyCtxt, TypeVisitableExt, Variance, +}; use rustc_middle::{bug, span_bug}; use rustc_target::abi::{Size, FIRST_VARIANT}; use rustc_target::spec::abi::Abi; diff --git a/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs b/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs index 08796ef3109e..48acf2a4e996 100644 --- a/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs +++ b/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs @@ -554,8 +554,8 @@ fn coroutine_closure_to_certain_coroutine<'tcx>( goal_kind: ty::ClosureKind, goal_region: ty::Region<'tcx>, def_id: DefId, - args: ty::CoroutineClosureArgs<'tcx>, - sig: ty::CoroutineClosureSignature<'tcx>, + args: ty::CoroutineClosureArgs>, + sig: ty::CoroutineClosureSignature>, ) -> Ty<'tcx> { sig.to_coroutine_given_kind_and_upvars( tcx, @@ -578,8 +578,8 @@ fn coroutine_closure_to_ambiguous_coroutine<'tcx>( goal_kind: ty::ClosureKind, goal_region: ty::Region<'tcx>, def_id: DefId, - args: ty::CoroutineClosureArgs<'tcx>, - sig: ty::CoroutineClosureSignature<'tcx>, + args: ty::CoroutineClosureArgs>, + sig: ty::CoroutineClosureSignature>, ) -> Ty<'tcx> { let upvars_projection_def_id = tcx.require_lang_item(LangItem::AsyncFnKindUpvars, None); let tupled_upvars_ty = Ty::new_projection( diff --git a/compiler/rustc_trait_selection/src/traits/util.rs b/compiler/rustc_trait_selection/src/traits/util.rs index 445fa1761b9f..8619c5ef77f6 100644 --- a/compiler/rustc_trait_selection/src/traits/util.rs +++ b/compiler/rustc_trait_selection/src/traits/util.rs @@ -295,7 +295,7 @@ pub fn coroutine_trait_ref_and_outputs<'tcx>( tcx: TyCtxt<'tcx>, fn_trait_def_id: DefId, self_ty: Ty<'tcx>, - sig: ty::GenSig<'tcx>, + sig: ty::GenSig>, ) -> (ty::TraitRef<'tcx>, Ty<'tcx>, Ty<'tcx>) { assert!(!self_ty.has_escaping_bound_vars()); let trait_ref = ty::TraitRef::new(tcx, fn_trait_def_id, [self_ty, sig.resume_ty]); @@ -306,7 +306,7 @@ pub fn future_trait_ref_and_outputs<'tcx>( tcx: TyCtxt<'tcx>, fn_trait_def_id: DefId, self_ty: Ty<'tcx>, - sig: ty::GenSig<'tcx>, + sig: ty::GenSig>, ) -> (ty::TraitRef<'tcx>, Ty<'tcx>) { assert!(!self_ty.has_escaping_bound_vars()); let trait_ref = ty::TraitRef::new(tcx, fn_trait_def_id, [self_ty]); @@ -317,7 +317,7 @@ pub fn iterator_trait_ref_and_outputs<'tcx>( tcx: TyCtxt<'tcx>, iterator_def_id: DefId, self_ty: Ty<'tcx>, - sig: ty::GenSig<'tcx>, + sig: ty::GenSig>, ) -> (ty::TraitRef<'tcx>, Ty<'tcx>) { assert!(!self_ty.has_escaping_bound_vars()); let trait_ref = ty::TraitRef::new(tcx, iterator_def_id, [self_ty]); @@ -328,7 +328,7 @@ pub fn async_iterator_trait_ref_and_outputs<'tcx>( tcx: TyCtxt<'tcx>, async_iterator_def_id: DefId, self_ty: Ty<'tcx>, - sig: ty::GenSig<'tcx>, + sig: ty::GenSig>, ) -> (ty::TraitRef<'tcx>, Ty<'tcx>) { assert!(!self_ty.has_escaping_bound_vars()); let trait_ref = ty::TraitRef::new(tcx, async_iterator_def_id, [self_ty]); diff --git a/compiler/rustc_ty_utils/src/layout.rs b/compiler/rustc_ty_utils/src/layout.rs index 1dee14fae57e..6045abc50a9d 100644 --- a/compiler/rustc_ty_utils/src/layout.rs +++ b/compiler/rustc_ty_utils/src/layout.rs @@ -10,7 +10,8 @@ use rustc_middle::ty::layout::{ }; use rustc_middle::ty::print::with_no_trimmed_paths; use rustc_middle::ty::{ - self, AdtDef, EarlyBinder, FieldDef, GenericArgsRef, Ty, TyCtxt, TypeVisitableExt, + self, AdtDef, CoroutineArgsExt, EarlyBinder, FieldDef, GenericArgsRef, Ty, TyCtxt, + TypeVisitableExt, }; use rustc_session::{DataTypeKind, FieldInfo, FieldKind, SizeKind, VariantInfo}; use rustc_span::sym; diff --git a/compiler/rustc_type_ir/src/inherent.rs b/compiler/rustc_type_ir/src/inherent.rs index 7b1dfecfee2e..f305ed9b5d77 100644 --- a/compiler/rustc_type_ir/src/inherent.rs +++ b/compiler/rustc_type_ir/src/inherent.rs @@ -9,7 +9,7 @@ use std::ops::Deref; use crate::fold::{TypeFoldable, TypeSuperFoldable}; use crate::visit::{Flags, TypeSuperVisitable, TypeVisitable}; -use crate::{self as ty, DebugWithInfcx, Interner, UpcastFrom}; +use crate::{self as ty, CollectAndApply, DebugWithInfcx, Interner, UpcastFrom}; pub trait Ty>: Copy @@ -34,6 +34,21 @@ pub trait Ty>: fn new_anon_bound(interner: I, debruijn: ty::DebruijnIndex, var: ty::BoundVar) -> Self; fn new_alias(interner: I, kind: ty::AliasTyKind, alias_ty: ty::AliasTy) -> Self; + + fn new_coroutine(interner: I, def_id: I::DefId, args: I::GenericArgs) -> Self; + + fn new_tup_from_iter(interner: I, iter: It) -> T::Output + where + It: Iterator, + T: CollectAndApply; + + fn tuple_fields(self) -> I::Tys; + + fn to_opt_closure_kind(self) -> Option; + + fn from_closure_kind(interner: I, kind: ty::ClosureKind) -> Self; + + fn from_coroutine_closure_kind(interner: I, kind: ty::ClosureKind) -> Self; } pub trait Tys>: @@ -43,17 +58,18 @@ pub trait Tys>: + Eq + IntoIterator + Deref> - + TypeVisitable + + TypeFoldable + + Default { fn split_inputs_and_output(self) -> (I::FnInputTys, I::Ty); } -pub trait Abi>: Copy + Debug + Hash + Eq { +pub trait Abi>: Copy + Debug + Hash + Eq + TypeVisitable { /// Whether this ABI is `extern "Rust"`. fn is_rust(self) -> bool; } -pub trait Safety>: Copy + Debug + Hash + Eq { +pub trait Safety>: Copy + Debug + Hash + Eq + TypeVisitable { fn is_safe(self) -> bool; fn prefix_str(self) -> &'static str; @@ -129,6 +145,10 @@ pub trait GenericArgs>: def_id: I::DefId, original_args: &[I::GenericArg], ) -> I::GenericArgs; + + fn split_closure_args(self) -> ty::ClosureArgsParts; + fn split_coroutine_closure_args(self) -> ty::CoroutineClosureArgsParts; + fn split_coroutine_args(self) -> ty::CoroutineArgsParts; } pub trait Predicate>: diff --git a/compiler/rustc_type_ir/src/interner.rs b/compiler/rustc_type_ir/src/interner.rs index ca39318cc0c8..6ebb434299b3 100644 --- a/compiler/rustc_type_ir/src/interner.rs +++ b/compiler/rustc_type_ir/src/interner.rs @@ -29,9 +29,7 @@ pub trait Interner: type AdtDef: Copy + Debug + Hash + Eq; type GenericArgs: GenericArgs; - /// The slice of args for a specific item. For a GAT like `type Foo<'a>`, it will be `['a]`, - /// not including the args from the parent item (trait or impl). - type OwnItemArgs: Copy + Debug + Hash + Eq; + type GenericArgsSlice: Copy + Debug + Hash + Eq + Deref; type GenericArg: Copy + DebugWithInfcx + Hash @@ -111,7 +109,7 @@ pub trait Interner: self, def_id: Self::DefId, args: Self::GenericArgs, - ) -> (ty::TraitRef, Self::OwnItemArgs); + ) -> (ty::TraitRef, Self::GenericArgsSlice); fn mk_args(self, args: &[Self::GenericArg]) -> Self::GenericArgs; fn mk_args_from_iter(self, args: impl Iterator) -> Self::GenericArgs; diff --git a/compiler/rustc_type_ir/src/predicate.rs b/compiler/rustc_type_ir/src/predicate.rs index 48a6f79993cc..e7039583c91c 100644 --- a/compiler/rustc_type_ir/src/predicate.rs +++ b/compiler/rustc_type_ir/src/predicate.rs @@ -604,7 +604,7 @@ impl AliasTerm { /// For example, if this is a projection of `::Item<'a>`, /// then this function would return a `T: StreamingIterator` trait reference and /// `['a]` as the own args. - pub fn trait_ref_and_own_args(self, interner: I) -> (TraitRef, I::OwnItemArgs) { + pub fn trait_ref_and_own_args(self, interner: I) -> (TraitRef, I::GenericArgsSlice) { interner.trait_ref_and_own_args_for_alias(self.def_id, self.args) } diff --git a/compiler/rustc_type_ir/src/ty_kind.rs b/compiler/rustc_type_ir/src/ty_kind.rs index aa285169f276..6569f3123aa9 100644 --- a/compiler/rustc_type_ir/src/ty_kind.rs +++ b/compiler/rustc_type_ir/src/ty_kind.rs @@ -7,13 +7,15 @@ use rustc_macros::{Decodable, Encodable, HashStable_NoContext, TyDecodable, TyEn use rustc_type_ir_macros::{Lift_Generic, TypeFoldable_Generic, TypeVisitable_Generic}; use std::fmt; +pub use self::closure::*; +use self::TyKind::*; use crate::inherent::*; use crate::{self as ty, DebruijnIndex, DebugWithInfcx, InferCtxtLike, Interner, WithInfcx}; -use self::TyKind::*; - use rustc_ast_ir::Mutability; +mod closure; + /// Specifies how a trait object is represented. #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)] #[cfg_attr(feature = "nightly", derive(Encodable, Decodable, HashStable_NoContext))] @@ -514,7 +516,7 @@ impl AliasTy { /// For example, if this is a projection of `::Item<'a>`, /// then this function would return a `T: StreamingIterator` trait reference and /// `['a]` as the own args. - pub fn trait_ref_and_own_args(self, interner: I) -> (ty::TraitRef, I::OwnItemArgs) { + pub fn trait_ref_and_own_args(self, interner: I) -> (ty::TraitRef, I::GenericArgsSlice) { debug_assert_eq!(self.kind(interner), AliasTyKind::Projection); interner.trait_ref_and_own_args_for_alias(self.def_id, self.args) } diff --git a/compiler/rustc_type_ir/src/ty_kind/closure.rs b/compiler/rustc_type_ir/src/ty_kind/closure.rs new file mode 100644 index 000000000000..97752934632c --- /dev/null +++ b/compiler/rustc_type_ir/src/ty_kind/closure.rs @@ -0,0 +1,696 @@ +use std::ops::ControlFlow; + +use rustc_type_ir_macros::{Lift_Generic, TypeFoldable_Generic, TypeVisitable_Generic}; + +use crate::fold::{shift_region, TypeFoldable, TypeFolder, TypeSuperFoldable}; +use crate::inherent::*; +use crate::visit::{TypeSuperVisitable, TypeVisitable, TypeVisitor}; +use crate::{self as ty, Interner}; + +/// A closure can be modeled as a struct that looks like: +/// ```ignore (illustrative) +/// struct Closure<'l0...'li, T0...Tj, CK, CS, U>(...U); +/// ``` +/// where: +/// +/// - 'l0...'li and T0...Tj are the generic parameters +/// in scope on the function that defined the closure, +/// - CK represents the *closure kind* (Fn vs FnMut vs FnOnce). This +/// is rather hackily encoded via a scalar type. See +/// `Ty::to_opt_closure_kind` for details. +/// - CS represents the *closure signature*, representing as a `fn()` +/// type. For example, `fn(u32, u32) -> u32` would mean that the closure +/// implements `CK<(u32, u32), Output = u32>`, where `CK` is the trait +/// specified above. +/// - U is a type parameter representing the types of its upvars, tupled up +/// (borrowed, if appropriate; that is, if a U field represents a by-ref upvar, +/// and the up-var has the type `Foo`, then that field of U will be `&Foo`). +/// +/// So, for example, given this function: +/// ```ignore (illustrative) +/// fn foo<'a, T>(data: &'a mut T) { +/// do(|| data.count += 1) +/// } +/// ``` +/// the type of the closure would be something like: +/// ```ignore (illustrative) +/// struct Closure<'a, T, U>(...U); +/// ``` +/// Note that the type of the upvar is not specified in the struct. +/// You may wonder how the impl would then be able to use the upvar, +/// if it doesn't know it's type? The answer is that the impl is +/// (conceptually) not fully generic over Closure but rather tied to +/// instances with the expected upvar types: +/// ```ignore (illustrative) +/// impl<'b, 'a, T> FnMut() for Closure<'a, T, (&'b mut &'a mut T,)> { +/// ... +/// } +/// ``` +/// You can see that the *impl* fully specified the type of the upvar +/// and thus knows full well that `data` has type `&'b mut &'a mut T`. +/// (Here, I am assuming that `data` is mut-borrowed.) +/// +/// Now, the last question you may ask is: Why include the upvar types +/// in an extra type parameter? The reason for this design is that the +/// upvar types can reference lifetimes that are internal to the +/// creating function. In my example above, for example, the lifetime +/// `'b` represents the scope of the closure itself; this is some +/// subset of `foo`, probably just the scope of the call to the to +/// `do()`. If we just had the lifetime/type parameters from the +/// enclosing function, we couldn't name this lifetime `'b`. Note that +/// there can also be lifetimes in the types of the upvars themselves, +/// if one of them happens to be a reference to something that the +/// creating fn owns. +/// +/// OK, you say, so why not create a more minimal set of parameters +/// that just includes the extra lifetime parameters? The answer is +/// primarily that it would be hard --- we don't know at the time when +/// we create the closure type what the full types of the upvars are, +/// nor do we know which are borrowed and which are not. In this +/// design, we can just supply a fresh type parameter and figure that +/// out later. +/// +/// All right, you say, but why include the type parameters from the +/// original function then? The answer is that codegen may need them +/// when monomorphizing, and they may not appear in the upvars. A +/// closure could capture no variables but still make use of some +/// in-scope type parameter with a bound (e.g., if our example above +/// had an extra `U: Default`, and the closure called `U::default()`). +/// +/// There is another reason. This design (implicitly) prohibits +/// closures from capturing themselves (except via a trait +/// object). This simplifies closure inference considerably, since it +/// means that when we infer the kind of a closure or its upvars, we +/// don't have to handle cycles where the decisions we make for +/// closure C wind up influencing the decisions we ought to make for +/// closure C (which would then require fixed point iteration to +/// handle). Plus it fixes an ICE. :P +/// +/// ## Coroutines +/// +/// Coroutines are handled similarly in `CoroutineArgs`. The set of +/// type parameters is similar, but `CK` and `CS` are replaced by the +/// following type parameters: +/// +/// * `GS`: The coroutine's "resume type", which is the type of the +/// argument passed to `resume`, and the type of `yield` expressions +/// inside the coroutine. +/// * `GY`: The "yield type", which is the type of values passed to +/// `yield` inside the coroutine. +/// * `GR`: The "return type", which is the type of value returned upon +/// completion of the coroutine. +/// * `GW`: The "coroutine witness". +#[derive(derivative::Derivative)] +#[derivative( + Clone(bound = ""), + Copy(bound = ""), + Hash(bound = ""), + PartialEq(bound = ""), + Eq(bound = ""), + Debug(bound = "") +)] +#[derive(TypeVisitable_Generic, TypeFoldable_Generic, Lift_Generic)] +pub struct ClosureArgs { + /// Lifetime and type parameters from the enclosing function, + /// concatenated with a tuple containing the types of the upvars. + /// + /// These are separated out because codegen wants to pass them around + /// when monomorphizing. + pub args: I::GenericArgs, +} + +/// Struct returned by `split()`. +pub struct ClosureArgsParts { + /// This is the args of the typeck root. + pub parent_args: I::GenericArgsSlice, + /// Represents the maximum calling capability of the closure. + pub closure_kind_ty: I::Ty, + /// Captures the closure's signature. This closure signature is "tupled", and + /// thus has a peculiar signature of `extern "rust-call" fn((Args, ...)) -> Ty`. + pub closure_sig_as_fn_ptr_ty: I::Ty, + /// The upvars captured by the closure. Remains an inference variable + /// until the upvar analysis, which happens late in HIR typeck. + pub tupled_upvars_ty: I::Ty, +} + +impl ClosureArgs { + /// Construct `ClosureArgs` from `ClosureArgsParts`, containing `Args` + /// for the closure parent, alongside additional closure-specific components. + pub fn new(tcx: I, parts: ClosureArgsParts) -> ClosureArgs { + ClosureArgs { + args: tcx.mk_args_from_iter(parts.parent_args.iter().copied().chain([ + parts.closure_kind_ty.into(), + parts.closure_sig_as_fn_ptr_ty.into(), + parts.tupled_upvars_ty.into(), + ])), + } + } + + /// Divides the closure args into their respective components. + /// The ordering assumed here must match that used by `ClosureArgs::new` above. + fn split(self) -> ClosureArgsParts { + self.args.split_closure_args() + } + + /// Returns the generic parameters of the closure's parent. + pub fn parent_args(self) -> I::GenericArgsSlice { + self.split().parent_args + } + + /// Returns an iterator over the list of types of captured paths by the closure. + /// In case there was a type error in figuring out the types of the captured path, an + /// empty iterator is returned. + #[inline] + pub fn upvar_tys(self) -> I::Tys { + match self.tupled_upvars_ty().kind() { + ty::Error(_) => Default::default(), + ty::Tuple(tys) => tys, + ty::Infer(_) => panic!("upvar_tys called before capture types are inferred"), + ty => panic!("Unexpected representation of upvar types tuple {:?}", ty), + } + } + + /// Returns the tuple type representing the upvars for this closure. + #[inline] + pub fn tupled_upvars_ty(self) -> I::Ty { + self.split().tupled_upvars_ty + } + + /// Returns the closure kind for this closure; may return a type + /// variable during inference. To get the closure kind during + /// inference, use `infcx.closure_kind(args)`. + pub fn kind_ty(self) -> I::Ty { + self.split().closure_kind_ty + } + + /// Returns the `fn` pointer type representing the closure signature for this + /// closure. + // FIXME(eddyb) this should be unnecessary, as the shallowly resolved + // type is known at the time of the creation of `ClosureArgs`, + // see `rustc_hir_analysis::check::closure`. + pub fn sig_as_fn_ptr_ty(self) -> I::Ty { + self.split().closure_sig_as_fn_ptr_ty + } + + /// Returns the closure kind for this closure; only usable outside + /// of an inference context, because in that context we know that + /// there are no type variables. + /// + /// If you have an inference context, use `infcx.closure_kind()`. + pub fn kind(self) -> ty::ClosureKind { + self.kind_ty().to_opt_closure_kind().unwrap() + } + + /// Extracts the signature from the closure. + pub fn sig(self) -> ty::Binder> { + match self.sig_as_fn_ptr_ty().kind() { + ty::FnPtr(sig) => sig, + ty => panic!("closure_sig_as_fn_ptr_ty is not a fn-ptr: {ty:?}"), + } + } +} + +#[derive(derivative::Derivative)] +#[derivative( + Clone(bound = ""), + Copy(bound = ""), + Hash(bound = ""), + PartialEq(bound = ""), + Eq(bound = ""), + Debug(bound = "") +)] +#[derive(TypeVisitable_Generic, TypeFoldable_Generic, Lift_Generic)] +pub struct CoroutineClosureArgs { + pub args: I::GenericArgs, +} + +/// See docs for explanation of how each argument is used. +/// +/// See [`CoroutineClosureSignature`] for how these arguments are put together +/// to make a callable [`ty::FnSig`] suitable for typeck and borrowck. +pub struct CoroutineClosureArgsParts { + /// This is the args of the typeck root. + pub parent_args: I::GenericArgsSlice, + /// Represents the maximum calling capability of the closure. + pub closure_kind_ty: I::Ty, + /// Represents all of the relevant parts of the coroutine returned by this + /// coroutine-closure. This signature parts type will have the general + /// shape of `fn(tupled_inputs, resume_ty) -> (return_ty, yield_ty)`, where + /// `resume_ty`, `return_ty`, and `yield_ty` are the respective types for the + /// coroutine returned by the coroutine-closure. + /// + /// Use `coroutine_closure_sig` to break up this type rather than using it + /// yourself. + pub signature_parts_ty: I::Ty, + /// The upvars captured by the closure. Remains an inference variable + /// until the upvar analysis, which happens late in HIR typeck. + pub tupled_upvars_ty: I::Ty, + /// a function pointer that has the shape `for<'env> fn() -> (&'env T, ...)`. + /// This allows us to represent the binder of the self-captures of the closure. + /// + /// For example, if the coroutine returned by the closure borrows `String` + /// from the closure's upvars, this will be `for<'env> fn() -> (&'env String,)`, + /// while the `tupled_upvars_ty`, representing the by-move version of the same + /// captures, will be `(String,)`. + pub coroutine_captures_by_ref_ty: I::Ty, + /// Witness type returned by the generator produced by this coroutine-closure. + pub coroutine_witness_ty: I::Ty, +} + +impl CoroutineClosureArgs { + pub fn new(tcx: I, parts: CoroutineClosureArgsParts) -> CoroutineClosureArgs { + CoroutineClosureArgs { + args: tcx.mk_args_from_iter(parts.parent_args.iter().copied().chain([ + parts.closure_kind_ty.into(), + parts.signature_parts_ty.into(), + parts.tupled_upvars_ty.into(), + parts.coroutine_captures_by_ref_ty.into(), + parts.coroutine_witness_ty.into(), + ])), + } + } + + fn split(self) -> CoroutineClosureArgsParts { + self.args.split_coroutine_closure_args() + } + + pub fn parent_args(self) -> I::GenericArgsSlice { + self.split().parent_args + } + + #[inline] + pub fn upvar_tys(self) -> I::Tys { + match self.tupled_upvars_ty().kind() { + ty::Error(_) => Default::default(), + ty::Tuple(..) => self.tupled_upvars_ty().tuple_fields(), + ty::Infer(_) => panic!("upvar_tys called before capture types are inferred"), + ty => panic!("Unexpected representation of upvar types tuple {:?}", ty), + } + } + + #[inline] + pub fn tupled_upvars_ty(self) -> I::Ty { + self.split().tupled_upvars_ty + } + + pub fn kind_ty(self) -> I::Ty { + self.split().closure_kind_ty + } + + pub fn kind(self) -> ty::ClosureKind { + self.kind_ty().to_opt_closure_kind().unwrap() + } + + pub fn signature_parts_ty(self) -> I::Ty { + self.split().signature_parts_ty + } + + pub fn coroutine_closure_sig(self) -> ty::Binder> { + let interior = self.coroutine_witness_ty(); + let ty::FnPtr(sig) = self.signature_parts_ty().kind() else { panic!() }; + sig.map_bound(|sig| { + let [resume_ty, tupled_inputs_ty] = *sig.inputs() else { + panic!(); + }; + let [yield_ty, return_ty] = **sig.output().tuple_fields() else { panic!() }; + CoroutineClosureSignature { + interior, + tupled_inputs_ty, + resume_ty, + yield_ty, + return_ty, + c_variadic: sig.c_variadic, + safety: sig.safety, + abi: sig.abi, + } + }) + } + + pub fn coroutine_captures_by_ref_ty(self) -> I::Ty { + self.split().coroutine_captures_by_ref_ty + } + + pub fn coroutine_witness_ty(self) -> I::Ty { + self.split().coroutine_witness_ty + } + + pub fn has_self_borrows(&self) -> bool { + match self.coroutine_captures_by_ref_ty().kind() { + ty::FnPtr(sig) => sig + .skip_binder() + .visit_with(&mut HasRegionsBoundAt { binder: ty::INNERMOST }) + .is_break(), + ty::Error(_) => true, + _ => panic!(), + } + } +} + +/// Unlike `has_escaping_bound_vars` or `outermost_exclusive_binder`, this will +/// detect only regions bound *at* the debruijn index. +struct HasRegionsBoundAt { + binder: ty::DebruijnIndex, +} +// FIXME: Could be optimized to not walk into components with no escaping bound vars. +impl TypeVisitor for HasRegionsBoundAt { + type Result = ControlFlow<()>; + fn visit_binder>(&mut self, t: &ty::Binder) -> Self::Result { + self.binder.shift_in(1); + t.super_visit_with(self)?; + self.binder.shift_out(1); + ControlFlow::Continue(()) + } + + fn visit_region(&mut self, r: I::Region) -> Self::Result { + if matches!(r.kind(), ty::ReBound(binder, _) if self.binder == binder) { + ControlFlow::Break(()) + } else { + ControlFlow::Continue(()) + } + } +} + +#[derive(derivative::Derivative)] +#[derivative( + Clone(bound = ""), + Copy(bound = ""), + Hash(bound = ""), + PartialEq(bound = ""), + Eq(bound = ""), + Debug(bound = "") +)] +#[derive(TypeVisitable_Generic, TypeFoldable_Generic)] +pub struct CoroutineClosureSignature { + pub interior: I::Ty, + pub tupled_inputs_ty: I::Ty, + pub resume_ty: I::Ty, + pub yield_ty: I::Ty, + pub return_ty: I::Ty, + + // Like the `fn_sig_as_fn_ptr_ty` of a regular closure, these types + // never actually differ. But we save them rather than recreating them + // from scratch just for good measure. + /// Always false + pub c_variadic: bool, + /// Always `Normal` (safe) + pub safety: I::Safety, + /// Always `RustCall` + pub abi: I::Abi, +} + +impl CoroutineClosureSignature { + /// Construct a coroutine from the closure signature. Since a coroutine signature + /// is agnostic to the type of generator that is returned (by-ref/by-move), + /// the caller must specify what "flavor" of generator that they'd like to + /// create. Additionally, they must manually compute the upvars of the closure. + /// + /// This helper is not really meant to be used directly except for early on + /// during typeck, when we want to put inference vars into the kind and upvars tys. + /// When the kind and upvars are known, use the other helper functions. + pub fn to_coroutine( + self, + tcx: I, + parent_args: I::GenericArgsSlice, + coroutine_kind_ty: I::Ty, + coroutine_def_id: I::DefId, + tupled_upvars_ty: I::Ty, + ) -> I::Ty { + let coroutine_args = ty::CoroutineArgs::new( + tcx, + ty::CoroutineArgsParts { + parent_args, + kind_ty: coroutine_kind_ty, + resume_ty: self.resume_ty, + yield_ty: self.yield_ty, + return_ty: self.return_ty, + witness: self.interior, + tupled_upvars_ty, + }, + ); + + Ty::new_coroutine(tcx, coroutine_def_id, coroutine_args.args) + } + + /// Given known upvars and a [`ClosureKind`](ty::ClosureKind), compute the coroutine + /// returned by that corresponding async fn trait. + /// + /// This function expects the upvars to have been computed already, and doesn't check + /// that the `ClosureKind` is actually supported by the coroutine-closure. + pub fn to_coroutine_given_kind_and_upvars( + self, + tcx: I, + parent_args: I::GenericArgsSlice, + coroutine_def_id: I::DefId, + goal_kind: ty::ClosureKind, + env_region: I::Region, + closure_tupled_upvars_ty: I::Ty, + coroutine_captures_by_ref_ty: I::Ty, + ) -> I::Ty { + let tupled_upvars_ty = Self::tupled_upvars_by_closure_kind( + tcx, + goal_kind, + self.tupled_inputs_ty, + closure_tupled_upvars_ty, + coroutine_captures_by_ref_ty, + env_region, + ); + + self.to_coroutine( + tcx, + parent_args, + Ty::from_coroutine_closure_kind(tcx, goal_kind), + coroutine_def_id, + tupled_upvars_ty, + ) + } + + /// Compute the tupled upvars that a coroutine-closure's output coroutine + /// would return for the given `ClosureKind`. + /// + /// When `ClosureKind` is `FnMut`/`Fn`, then this will use the "captures by ref" + /// to return a set of upvars which are borrowed with the given `env_region`. + /// + /// This ensures that the `AsyncFn::call` will return a coroutine whose upvars' + /// lifetimes are related to the lifetime of the borrow on the closure made for + /// the call. This allows borrowck to enforce the self-borrows correctly. + pub fn tupled_upvars_by_closure_kind( + tcx: I, + kind: ty::ClosureKind, + tupled_inputs_ty: I::Ty, + closure_tupled_upvars_ty: I::Ty, + coroutine_captures_by_ref_ty: I::Ty, + env_region: I::Region, + ) -> I::Ty { + match kind { + ty::ClosureKind::Fn | ty::ClosureKind::FnMut => { + let ty::FnPtr(sig) = coroutine_captures_by_ref_ty.kind() else { + panic!(); + }; + let coroutine_captures_by_ref_ty = + sig.output().skip_binder().fold_with(&mut FoldEscapingRegions { + interner: tcx, + region: env_region, + debruijn: ty::INNERMOST, + }); + Ty::new_tup_from_iter( + tcx, + tupled_inputs_ty + .tuple_fields() + .into_iter() + .chain(coroutine_captures_by_ref_ty.tuple_fields()), + ) + } + ty::ClosureKind::FnOnce => Ty::new_tup_from_iter( + tcx, + tupled_inputs_ty + .tuple_fields() + .into_iter() + .chain(closure_tupled_upvars_ty.tuple_fields()), + ), + } + } +} + +/// Instantiates a `for<'env> ...` binder with a specific region. +// FIXME(async_closures): Get rid of this in favor of `BoundVarReplacerDelegate` +// when that is uplifted. +struct FoldEscapingRegions { + interner: I, + debruijn: ty::DebruijnIndex, + region: I::Region, +} + +impl TypeFolder for FoldEscapingRegions { + fn interner(&self) -> I { + self.interner + } + + fn fold_binder(&mut self, t: ty::Binder) -> ty::Binder + where + T: TypeFoldable, + { + self.debruijn.shift_in(1); + let result = t.super_fold_with(self); + self.debruijn.shift_out(1); + result + } + + fn fold_region(&mut self, r: ::Region) -> ::Region { + if let ty::ReBound(debruijn, _) = r.kind() { + assert!( + debruijn <= self.debruijn, + "cannot instantiate binder with escaping bound vars" + ); + if self.debruijn == debruijn { + shift_region(self.interner, self.region, self.debruijn.as_u32()) + } else { + r + } + } else { + r + } + } +} + +#[derive(derivative::Derivative)] +#[derivative( + Clone(bound = ""), + Copy(bound = ""), + Hash(bound = ""), + PartialEq(bound = ""), + Eq(bound = ""), + Debug(bound = "") +)] +#[derive(TypeVisitable_Generic, TypeFoldable_Generic)] +pub struct GenSig { + pub resume_ty: I::Ty, + pub yield_ty: I::Ty, + pub return_ty: I::Ty, +} + +/// Similar to `ClosureArgs`; see the above documentation for more. +#[derive(derivative::Derivative)] +#[derivative( + Clone(bound = ""), + Copy(bound = ""), + Hash(bound = ""), + PartialEq(bound = ""), + Eq(bound = ""), + Debug(bound = "") +)] +#[derive(TypeVisitable_Generic, TypeFoldable_Generic, Lift_Generic)] +pub struct CoroutineArgs { + pub args: I::GenericArgs, +} + +pub struct CoroutineArgsParts { + /// This is the args of the typeck root. + pub parent_args: I::GenericArgsSlice, + + /// The coroutines returned by a coroutine-closure's `AsyncFnOnce`/`AsyncFnMut` + /// implementations must be distinguished since the former takes the closure's + /// upvars by move, and the latter takes the closure's upvars by ref. + /// + /// This field distinguishes these fields so that codegen can select the right + /// body for the coroutine. This has the same type representation as the closure + /// kind: `i8`/`i16`/`i32`. + /// + /// For regular coroutines, this field will always just be `()`. + pub kind_ty: I::Ty, + + pub resume_ty: I::Ty, + pub yield_ty: I::Ty, + pub return_ty: I::Ty, + + /// The interior type of the coroutine. + /// Represents all types that are stored in locals + /// in the coroutine's body. + pub witness: I::Ty, + + /// The upvars captured by the closure. Remains an inference variable + /// until the upvar analysis, which happens late in HIR typeck. + pub tupled_upvars_ty: I::Ty, +} + +impl CoroutineArgs { + /// Construct `CoroutineArgs` from `CoroutineArgsParts`, containing `Args` + /// for the coroutine parent, alongside additional coroutine-specific components. + pub fn new(tcx: I, parts: CoroutineArgsParts) -> CoroutineArgs { + CoroutineArgs { + args: tcx.mk_args_from_iter(parts.parent_args.iter().copied().chain([ + parts.kind_ty.into(), + parts.resume_ty.into(), + parts.yield_ty.into(), + parts.return_ty.into(), + parts.witness.into(), + parts.tupled_upvars_ty.into(), + ])), + } + } + + /// Divides the coroutine args into their respective components. + /// The ordering assumed here must match that used by `CoroutineArgs::new` above. + fn split(self) -> CoroutineArgsParts { + self.args.split_coroutine_args() + } + + /// Returns the generic parameters of the coroutine's parent. + pub fn parent_args(self) -> I::GenericArgsSlice { + self.split().parent_args + } + + // Returns the kind of the coroutine. See docs on the `kind_ty` field. + pub fn kind_ty(self) -> I::Ty { + self.split().kind_ty + } + + /// This describes the types that can be contained in a coroutine. + /// It will be a type variable initially and unified in the last stages of typeck of a body. + /// It contains a tuple of all the types that could end up on a coroutine frame. + /// The state transformation MIR pass may only produce layouts which mention types + /// in this tuple. Upvars are not counted here. + pub fn witness(self) -> I::Ty { + self.split().witness + } + + /// Returns an iterator over the list of types of captured paths by the coroutine. + /// In case there was a type error in figuring out the types of the captured path, an + /// empty iterator is returned. + #[inline] + pub fn upvar_tys(self) -> I::Tys { + match self.tupled_upvars_ty().kind() { + ty::Error(_) => Default::default(), + ty::Tuple(tys) => tys, + ty::Infer(_) => panic!("upvar_tys called before capture types are inferred"), + ty => panic!("Unexpected representation of upvar types tuple {:?}", ty), + } + } + + /// Returns the tuple type representing the upvars for this coroutine. + #[inline] + pub fn tupled_upvars_ty(self) -> I::Ty { + self.split().tupled_upvars_ty + } + + /// Returns the type representing the resume type of the coroutine. + pub fn resume_ty(self) -> I::Ty { + self.split().resume_ty + } + + /// Returns the type representing the yield type of the coroutine. + pub fn yield_ty(self) -> I::Ty { + self.split().yield_ty + } + + /// Returns the type representing the return type of the coroutine. + pub fn return_ty(self) -> I::Ty { + self.split().return_ty + } + + /// Returns the "coroutine signature", which consists of its resume, yield + /// and return types. + pub fn sig(self) -> GenSig { + let parts = self.split(); + GenSig { resume_ty: parts.resume_ty, yield_ty: parts.yield_ty, return_ty: parts.return_ty } + } +} diff --git a/src/tools/clippy/clippy_lints/src/eta_reduction.rs b/src/tools/clippy/clippy_lints/src/eta_reduction.rs index b58018ca0353..48c4c4206fe8 100644 --- a/src/tools/clippy/clippy_lints/src/eta_reduction.rs +++ b/src/tools/clippy/clippy_lints/src/eta_reduction.rs @@ -10,7 +10,7 @@ use rustc_infer::infer::TyCtxtInferExt; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty::{ self, Binder, ClosureArgs, ClosureKind, FnSig, GenericArg, GenericArgKind, List, Region, RegionKind, Ty, - TypeVisitableExt, TypeckResults, + TypeVisitableExt, TypeckResults, TyCtxt, }; use rustc_session::declare_lint_pass; use rustc_span::symbol::sym; @@ -240,7 +240,7 @@ fn check_inputs( }) } -fn check_sig<'tcx>(cx: &LateContext<'tcx>, closure: ClosureArgs<'tcx>, call_sig: FnSig<'_>) -> bool { +fn check_sig<'tcx>(cx: &LateContext<'tcx>, closure: ClosureArgs>, call_sig: FnSig<'_>) -> bool { call_sig.safety == Safety::Safe && !has_late_bound_to_non_late_bound_regions( cx.tcx.signature_unclosure(closure.sig(), Safety::Safe).skip_binder(), From 5a44877a394569261cd53b23003113272349cf68 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Fri, 31 May 2024 14:13:46 -0400 Subject: [PATCH 0846/1716] Uplift TypeRelation and Relate --- clippy_lints/src/eta_reduction.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/clippy_lints/src/eta_reduction.rs b/clippy_lints/src/eta_reduction.rs index b58018ca0353..48c4c4206fe8 100644 --- a/clippy_lints/src/eta_reduction.rs +++ b/clippy_lints/src/eta_reduction.rs @@ -10,7 +10,7 @@ use rustc_infer::infer::TyCtxtInferExt; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty::{ self, Binder, ClosureArgs, ClosureKind, FnSig, GenericArg, GenericArgKind, List, Region, RegionKind, Ty, - TypeVisitableExt, TypeckResults, + TypeVisitableExt, TypeckResults, TyCtxt, }; use rustc_session::declare_lint_pass; use rustc_span::symbol::sym; @@ -240,7 +240,7 @@ fn check_inputs( }) } -fn check_sig<'tcx>(cx: &LateContext<'tcx>, closure: ClosureArgs<'tcx>, call_sig: FnSig<'_>) -> bool { +fn check_sig<'tcx>(cx: &LateContext<'tcx>, closure: ClosureArgs>, call_sig: FnSig<'_>) -> bool { call_sig.safety == Safety::Safe && !has_late_bound_to_non_late_bound_regions( cx.tcx.signature_unclosure(closure.sig(), Safety::Safe).skip_binder(), From 25d40c9f6b09b4decd17c564c037e1f8de9859b2 Mon Sep 17 00:00:00 2001 From: y21 <30553356+y21@users.noreply.github.com> Date: Sat, 1 Jun 2024 20:10:48 +0200 Subject: [PATCH 0847/1716] handle parent const effects correctly in type_certainty --- clippy_utils/src/ty/type_certainty/mod.rs | 14 ++++++++++++-- tests/ui/or_fun_call.fixed | 7 +++++++ tests/ui/or_fun_call.rs | 7 +++++++ 3 files changed, 26 insertions(+), 2 deletions(-) diff --git a/clippy_utils/src/ty/type_certainty/mod.rs b/clippy_utils/src/ty/type_certainty/mod.rs index 802193034502..cba61c841efc 100644 --- a/clippy_utils/src/ty/type_certainty/mod.rs +++ b/clippy_utils/src/ty/type_certainty/mod.rs @@ -206,8 +206,18 @@ fn path_segment_certainty( // Checking `res_generics_def_id(..)` before calling `generics_of` avoids an ICE. if cx.tcx.res_generics_def_id(path_segment.res).is_some() { let generics = cx.tcx.generics_of(def_id); - let count = generics.own_params.len() - usize::from(generics.host_effect_index.is_some()); - let lhs = if (parent_certainty.is_certain() || generics.parent_count == 0) && count == 0 { + + let own_count = generics.own_params.len() + - usize::from(generics.host_effect_index.is_some_and(|index| { + // Check that the host index actually belongs to this resolution. + // E.g. for `Add::add`, host_effect_index is `Some(2)`, but it's part of the parent `Add` + // trait's generics. + // Add params: [Self#0, Rhs#1, host#2] parent_count=0, count=3 + // Add::add params: [] parent_count=3, count=3 + // (3..3).contains(&host_effect_index) => false + (generics.parent_count..generics.count()).contains(&index) + })); + let lhs = if (parent_certainty.is_certain() || generics.parent_count == 0) && own_count == 0 { Certainty::Certain(None) } else { Certainty::Uncertain diff --git a/tests/ui/or_fun_call.fixed b/tests/ui/or_fun_call.fixed index e7ba54864ab0..7657ef470c58 100644 --- a/tests/ui/or_fun_call.fixed +++ b/tests/ui/or_fun_call.fixed @@ -311,4 +311,11 @@ mod lazy { } } +fn host_effect() { + // #12877 - make sure we don't ICE in type_certainty + use std::ops::Add; + + Add::::add(1, 1).add(i32::MIN); +} + fn main() {} diff --git a/tests/ui/or_fun_call.rs b/tests/ui/or_fun_call.rs index 196632133d52..97cf496d3ac7 100644 --- a/tests/ui/or_fun_call.rs +++ b/tests/ui/or_fun_call.rs @@ -311,4 +311,11 @@ mod lazy { } } +fn host_effect() { + // #12877 - make sure we don't ICE in type_certainty + use std::ops::Add; + + Add::::add(1, 1).add(i32::MIN); +} + fn main() {} From 9bdc5b2455bbd8d71e912b5ceaeb390abb987c91 Mon Sep 17 00:00:00 2001 From: Caleb Zulawski Date: Sat, 1 Jun 2024 14:17:16 -0400 Subject: [PATCH 0848/1716] Improve documentation --- compiler/rustc_codegen_llvm/src/intrinsic.rs | 7 ++++++- tests/ui/simd/repr_packed.rs | 5 +++-- 2 files changed, 9 insertions(+), 3 deletions(-) diff --git a/compiler/rustc_codegen_llvm/src/intrinsic.rs b/compiler/rustc_codegen_llvm/src/intrinsic.rs index 83a71752ffd8..87098566f6b1 100644 --- a/compiler/rustc_codegen_llvm/src/intrinsic.rs +++ b/compiler/rustc_codegen_llvm/src/intrinsic.rs @@ -480,10 +480,15 @@ impl<'ll, 'tcx> IntrinsicCallMethods<'tcx> for Builder<'_, 'll, 'tcx> { } _ if name.as_str().starts_with("simd_") => { - // Unpack non-power-of-2 #[repr(packed)] + // Unpack non-power-of-2 #[repr(packed, simd)] arguments. + // This gives them the expected layout of a regular #[repr(simd)] vector. let mut loaded_args = Vec::new(); for (ty, arg) in arg_tys.iter().zip(args) { loaded_args.push( + // #[repr(packed, simd)] vectors are passed like arrays (as references, + // with reduced alignment and no padding) rather than as immediates. + // We can use a vector load to fix the layout and turn the argument + // into an immediate. if ty.is_simd() && let OperandValue::Ref(place) = arg.val { diff --git a/tests/ui/simd/repr_packed.rs b/tests/ui/simd/repr_packed.rs index 52c794563de6..1ba15bda98dd 100644 --- a/tests/ui/simd/repr_packed.rs +++ b/tests/ui/simd/repr_packed.rs @@ -36,12 +36,13 @@ fn main() { check_ty::(); unsafe { - // powers-of-two have no padding and work as usual + // powers-of-two have no padding and have the same layout as #[repr(simd)] let x: Simd = simd_add(Simd::([0., 1., 2., 3.]), Simd::([2., 2., 2., 2.])); assert_eq!(std::mem::transmute::<_, [f64; 4]>(x), [2., 3., 4., 5.]); - // non-powers-of-two have padding and lesser alignment, but the intrinsic handles it + // non-powers-of-two should have padding (which is removed by #[repr(packed)]), + // but the intrinsic handles it let x: Simd = simd_add(Simd::([0., 1., 2.]), Simd::([2., 2., 2.])); let arr: [f64; 3] = x.0; assert_eq!(arr, [2., 3., 4.]); From 89386092f19eaf4ba7a4a76fbb666e537575160a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Le=C3=B3n=20Orell=20Valerian=20Liehr?= Date: Sat, 1 Jun 2024 18:39:03 +0200 Subject: [PATCH 0849/1716] Reject CVarArgs in parse_ty_for_where_clause --- compiler/rustc_parse/src/parser/ty.rs | 5 +++-- .../macro/mbe-dotdotdot-may-not-begin-a-type.rs | 11 +++++++++++ tests/ui/parser/variadic-ffi-nested-syntactic-fail.rs | 4 ++++ .../parser/variadic-ffi-nested-syntactic-fail.stderr | 10 ++++++++-- 4 files changed, 26 insertions(+), 4 deletions(-) create mode 100644 tests/ui/parser/macro/mbe-dotdotdot-may-not-begin-a-type.rs diff --git a/compiler/rustc_parse/src/parser/ty.rs b/compiler/rustc_parse/src/parser/ty.rs index 2df8f58507b0..2033f3878875 100644 --- a/compiler/rustc_parse/src/parser/ty.rs +++ b/compiler/rustc_parse/src/parser/ty.rs @@ -194,7 +194,7 @@ impl<'a> Parser<'a> { pub(super) fn parse_ty_for_where_clause(&mut self) -> PResult<'a, P> { self.parse_ty_common( AllowPlus::Yes, - AllowCVariadic::Yes, + AllowCVariadic::No, RecoverQPath::Yes, RecoverReturnSign::OnlyFatArrow, None, @@ -344,8 +344,9 @@ impl<'a> Parser<'a> { match allow_c_variadic { AllowCVariadic::Yes => TyKind::CVarArgs, AllowCVariadic::No => { - // FIXME(Centril): Should we just allow `...` syntactically + // FIXME(c_variadic): Should we just allow `...` syntactically // anywhere in a type and use semantic restrictions instead? + // NOTE: This may regress certain MBE calls if done incorrectly. let guar = self .dcx() .emit_err(NestedCVariadicType { span: lo.to(self.prev_token.span) }); diff --git a/tests/ui/parser/macro/mbe-dotdotdot-may-not-begin-a-type.rs b/tests/ui/parser/macro/mbe-dotdotdot-may-not-begin-a-type.rs new file mode 100644 index 000000000000..8be99f22d2ee --- /dev/null +++ b/tests/ui/parser/macro/mbe-dotdotdot-may-not-begin-a-type.rs @@ -0,0 +1,11 @@ +// A bare `...` represents `CVarArgs` (`VaListImpl<'_>`) in function argument type +// position without being a proper type syntactically. +// This test ensures that we do not regress certain MBE calls would we ever promote +// `...` to a proper type syntactically. + +//@ check-pass + +macro_rules! ck { ($ty:ty) => { compile_error!(""); }; (...) => {}; } +ck!(...); + +fn main() {} diff --git a/tests/ui/parser/variadic-ffi-nested-syntactic-fail.rs b/tests/ui/parser/variadic-ffi-nested-syntactic-fail.rs index 4da9ad84bab7..d9d3f9227a9e 100644 --- a/tests/ui/parser/variadic-ffi-nested-syntactic-fail.rs +++ b/tests/ui/parser/variadic-ffi-nested-syntactic-fail.rs @@ -4,6 +4,10 @@ fn f1<'a>(x: u8, y: &'a ...) {} fn f2<'a>(x: u8, y: Vec<&'a ...>) {} //~^ ERROR C-variadic type `...` may not be nested inside another type +// Regression test for issue #125847. +fn f3() where for<> ...: {} +//~^ ERROR C-variadic type `...` may not be nested inside another type + fn main() { let _recovery_witness: () = 0; //~^ ERROR: mismatched types diff --git a/tests/ui/parser/variadic-ffi-nested-syntactic-fail.stderr b/tests/ui/parser/variadic-ffi-nested-syntactic-fail.stderr index 8b9d676a45da..38833d6555b1 100644 --- a/tests/ui/parser/variadic-ffi-nested-syntactic-fail.stderr +++ b/tests/ui/parser/variadic-ffi-nested-syntactic-fail.stderr @@ -10,15 +10,21 @@ error[E0743]: C-variadic type `...` may not be nested inside another type LL | fn f2<'a>(x: u8, y: Vec<&'a ...>) {} | ^^^ +error[E0743]: C-variadic type `...` may not be nested inside another type + --> $DIR/variadic-ffi-nested-syntactic-fail.rs:8:21 + | +LL | fn f3() where for<> ...: {} + | ^^^ + error[E0308]: mismatched types - --> $DIR/variadic-ffi-nested-syntactic-fail.rs:8:33 + --> $DIR/variadic-ffi-nested-syntactic-fail.rs:12:33 | LL | let _recovery_witness: () = 0; | -- ^ expected `()`, found integer | | | expected due to this -error: aborting due to 3 previous errors +error: aborting due to 4 previous errors Some errors have detailed explanations: E0308, E0743. For more information about an error, try `rustc --explain E0308`. From 87ad80a6384824fb5e13cc54278eb5aaa36a89a4 Mon Sep 17 00:00:00 2001 From: Alex Crichton Date: Sat, 1 Jun 2024 13:03:07 -0700 Subject: [PATCH 0850/1716] Add `target_env = "p1"` to the `wasm32-wasip1` target This commit sets the `target_env` key for the `wasm32-wasi{,p1,p1-threads}` targets to the string `"p1"`. This mirrors how the `wasm32-wasip2` target has `target_env = "p2"`. The intention of this is to more easily detect each target in downstream crates to enable adding custom code per-target. cc #125803 --- .../rustc_target/src/spec/targets/wasm32_wasip1.rs | 1 + .../src/spec/targets/wasm32_wasip1_threads.rs | 1 + .../src/platform-support/wasm32-wasip1-threads.md | 12 ++++++++++++ src/doc/rustc/src/platform-support/wasm32-wasip1.md | 11 +++++++++++ src/doc/rustc/src/platform-support/wasm32-wasip2.md | 8 ++++++++ 5 files changed, 33 insertions(+) diff --git a/compiler/rustc_target/src/spec/targets/wasm32_wasip1.rs b/compiler/rustc_target/src/spec/targets/wasm32_wasip1.rs index 7cbe9f09e6ca..4c2d222b590e 100644 --- a/compiler/rustc_target/src/spec/targets/wasm32_wasip1.rs +++ b/compiler/rustc_target/src/spec/targets/wasm32_wasip1.rs @@ -18,6 +18,7 @@ pub fn target() -> Target { let mut options = base::wasm::options(); options.os = "wasi".into(); + options.env = "p1".into(); options.add_pre_link_args(LinkerFlavor::WasmLld(Cc::Yes), &["--target=wasm32-wasi"]); options.pre_link_objects_self_contained = crt_objects::pre_wasi_self_contained(); diff --git a/compiler/rustc_target/src/spec/targets/wasm32_wasip1_threads.rs b/compiler/rustc_target/src/spec/targets/wasm32_wasip1_threads.rs index c592b944d44a..38af48ab2665 100644 --- a/compiler/rustc_target/src/spec/targets/wasm32_wasip1_threads.rs +++ b/compiler/rustc_target/src/spec/targets/wasm32_wasip1_threads.rs @@ -13,6 +13,7 @@ pub fn target() -> Target { let mut options = base::wasm::options(); options.os = "wasi".into(); + options.env = "p1".into(); options.add_pre_link_args( LinkerFlavor::WasmLld(Cc::No), diff --git a/src/doc/rustc/src/platform-support/wasm32-wasip1-threads.md b/src/doc/rustc/src/platform-support/wasm32-wasip1-threads.md index 519e9cc7cc49..66cf964bd259 100644 --- a/src/doc/rustc/src/platform-support/wasm32-wasip1-threads.md +++ b/src/doc/rustc/src/platform-support/wasm32-wasip1-threads.md @@ -150,3 +150,15 @@ or another engine that supports `wasi-threads` is installed and can be found in 5. Apply such [a change](https://github.com/g0djan/rust/compare/godjan/wasi-threads...g0djan:rust:godjan/wasi-run-ui-tests?expand=1) with an engine from the step 1. 6. Run `./x.py test --target wasm32-wasip1-threads tests/ui` and save the list of failed tests. 7. For both lists of failed tests run `cat list | sort > sorted_list` and compare it with `diff sorted_list1 sorted_list2`. + +## Conditionally compiling code + +It's recommended to conditionally compile code for this target with: + +``` +#[cfg(all(target_os = "wasi", target_env = "p1", target_feature = "atomics"))] +``` + +Prior to Rust 1.80 the `target_env = "p1"` key was not set. Currently the +`target_feature = "atomics"` is Nightly-only. Note that the precise `#[cfg]` +necessary to detect this target may change as the target becomes more stable. diff --git a/src/doc/rustc/src/platform-support/wasm32-wasip1.md b/src/doc/rustc/src/platform-support/wasm32-wasip1.md index 4faa19887353..3f6ed130e12a 100644 --- a/src/doc/rustc/src/platform-support/wasm32-wasip1.md +++ b/src/doc/rustc/src/platform-support/wasm32-wasip1.md @@ -121,3 +121,14 @@ can be tested locally, for example, with: ```text ./x.py test --target wasm32-wasip1 tests/ui ``` + +## Conditionally compiling code + +It's recommended to conditionally compile code for this target with: + +``` +#[cfg(all(target_os = "wasi", target_env = "p1"))] +``` + +Note that the `target_env = "p1"` condition first appeared in Rust 1.80. Prior +to Rust 1.80 the `target_env` condition was not set. diff --git a/src/doc/rustc/src/platform-support/wasm32-wasip2.md b/src/doc/rustc/src/platform-support/wasm32-wasip2.md index a385600cc224..7b4eb31b2149 100644 --- a/src/doc/rustc/src/platform-support/wasm32-wasip2.md +++ b/src/doc/rustc/src/platform-support/wasm32-wasip2.md @@ -53,3 +53,11 @@ This target is not tested in CI at this time. Locally it can be tested with a ```text ./x.py test --target wasm32-wasip2 tests/ui ``` + +## Conditionally compiling code + +It's recommended to conditionally compile code for this target with: + +``` +#[cfg(all(target_os = "wasi", target_env = "p2"))] +``` From 5ecb034cc307e40feda18f216f44564b13fa2a65 Mon Sep 17 00:00:00 2001 From: Alex Crichton Date: Sat, 1 Jun 2024 13:40:41 -0700 Subject: [PATCH 0851/1716] Update test expectations --- tests/ui/check-cfg/well-known-values.stderr | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tests/ui/check-cfg/well-known-values.stderr b/tests/ui/check-cfg/well-known-values.stderr index 0c50ec1abba9..95a92283db1e 100644 --- a/tests/ui/check-cfg/well-known-values.stderr +++ b/tests/ui/check-cfg/well-known-values.stderr @@ -147,7 +147,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` LL | target_env = "_UNEXPECTED_VALUE", | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `target_env` are: ``, `gnu`, `msvc`, `musl`, `newlib`, `nto70`, `nto71`, `ohos`, `p2`, `psx`, `relibc`, `sgx`, and `uclibc` + = note: expected values for `target_env` are: ``, `gnu`, `msvc`, `musl`, `newlib`, `nto70`, `nto71`, `ohos`, `p1`, `p2`, `psx`, `relibc`, `sgx`, and `uclibc` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` From 11d6f18bf6a853ccae06371b67a43a41a4dd8af2 Mon Sep 17 00:00:00 2001 From: Scott McMurray Date: Sat, 1 Jun 2024 02:36:55 -0700 Subject: [PATCH 0852/1716] Add some more specific checks to the MIR validator None of the `PointerCoercion`s had any, so while there's probably more that could be done here, hopefully these are better than the previous nothing. --- compiler/rustc_mir_transform/src/validate.rs | 101 +++++++++++++++++-- 1 file changed, 94 insertions(+), 7 deletions(-) diff --git a/compiler/rustc_mir_transform/src/validate.rs b/compiler/rustc_mir_transform/src/validate.rs index 5e83a6f373aa..3b4d4c938771 100644 --- a/compiler/rustc_mir_transform/src/validate.rs +++ b/compiler/rustc_mir_transform/src/validate.rs @@ -8,6 +8,7 @@ use rustc_middle::mir::coverage::CoverageKind; use rustc_middle::mir::interpret::Scalar; use rustc_middle::mir::visit::{NonUseContext, PlaceContext, Visitor}; use rustc_middle::mir::*; +use rustc_middle::ty::adjustment::PointerCoercion; use rustc_middle::ty::{ self, CoroutineArgsExt, InstanceDef, ParamEnv, Ty, TyCtxt, TypeVisitableExt, Variance, }; @@ -1134,9 +1135,76 @@ impl<'a, 'tcx> Visitor<'tcx> for TypeChecker<'a, 'tcx> { // FIXME(dyn-star): make sure nothing needs to be done here. } // FIXME: Add Checks for these - CastKind::PointerWithExposedProvenance - | CastKind::PointerExposeProvenance - | CastKind::PointerCoercion(_) => {} + CastKind::PointerWithExposedProvenance | CastKind::PointerExposeProvenance => {} + CastKind::PointerCoercion(PointerCoercion::ReifyFnPointer) => { + // FIXME: check signature compatibility. + check_kinds!( + op_ty, + "CastKind::{kind:?} input must be a fn item, not {:?}", + ty::FnDef(..) + ); + check_kinds!( + target_type, + "CastKind::{kind:?} output must be a fn pointer, not {:?}", + ty::FnPtr(..) + ); + } + CastKind::PointerCoercion(PointerCoercion::UnsafeFnPointer) => { + // FIXME: check safety and signature compatibility. + check_kinds!( + op_ty, + "CastKind::{kind:?} input must be a fn pointer, not {:?}", + ty::FnPtr(..) + ); + check_kinds!( + target_type, + "CastKind::{kind:?} output must be a fn pointer, not {:?}", + ty::FnPtr(..) + ); + } + CastKind::PointerCoercion(PointerCoercion::ClosureFnPointer(..)) => { + // FIXME: check safety, captures, and signature compatibility. + check_kinds!( + op_ty, + "CastKind::{kind:?} input must be a closure, not {:?}", + ty::Closure(..) + ); + check_kinds!( + target_type, + "CastKind::{kind:?} output must be a fn pointer, not {:?}", + ty::FnPtr(..) + ); + } + CastKind::PointerCoercion(PointerCoercion::MutToConstPointer) => { + // FIXME: check same pointee? + check_kinds!( + op_ty, + "CastKind::{kind:?} input must be a raw mut pointer, not {:?}", + ty::RawPtr(_, Mutability::Mut) + ); + check_kinds!( + target_type, + "CastKind::{kind:?} output must be a raw const pointer, not {:?}", + ty::RawPtr(_, Mutability::Not) + ); + } + CastKind::PointerCoercion(PointerCoercion::ArrayToPointer) => { + // FIXME: Check pointee types + check_kinds!( + op_ty, + "CastKind::{kind:?} input must be a raw pointer, not {:?}", + ty::RawPtr(..) + ); + check_kinds!( + target_type, + "CastKind::{kind:?} output must be a raw pointer, not {:?}", + ty::RawPtr(..) + ); + } + CastKind::PointerCoercion(PointerCoercion::Unsize) => { + // This is used for all `CoerceUnsized` types, + // not just pointers/references, so is hard to check. + } CastKind::IntToInt | CastKind::IntToFloat => { let input_valid = op_ty.is_integral() || op_ty.is_char() || op_ty.is_bool(); let target_valid = target_type.is_numeric() || target_type.is_char(); @@ -1147,10 +1215,29 @@ impl<'a, 'tcx> Visitor<'tcx> for TypeChecker<'a, 'tcx> { ); } } - CastKind::FnPtrToPtr | CastKind::PtrToPtr => { - if !(op_ty.is_any_ptr() && target_type.is_unsafe_ptr()) { - self.fail(location, "Can't cast {op_ty} into 'Ptr'"); - } + CastKind::FnPtrToPtr => { + check_kinds!( + op_ty, + "CastKind::{kind:?} input must be a fn pointer, not {:?}", + ty::FnPtr(..) + ); + check_kinds!( + target_type, + "CastKind::{kind:?} output must be a raw pointer, not {:?}", + ty::RawPtr(..) + ); + } + CastKind::PtrToPtr => { + check_kinds!( + op_ty, + "CastKind::{kind:?} input must be a raw pointer, not {:?}", + ty::RawPtr(..) + ); + check_kinds!( + target_type, + "CastKind::{kind:?} output must be a raw pointer, not {:?}", + ty::RawPtr(..) + ); } CastKind::FloatToFloat | CastKind::FloatToInt => { if !op_ty.is_floating_point() || !target_type.is_numeric() { From 849c5254afdeb96a740cfac989a382fde69b6067 Mon Sep 17 00:00:00 2001 From: RustyYato Date: Tue, 13 Feb 2024 18:16:00 -0700 Subject: [PATCH 0853/1716] Change f32::midpoint to upcast to f64 This has been verified by kani as a correct optimization see: https://github.com/rust-lang/rust/issues/110840#issuecomment-1942587398 The new implementation is branchless, and only differs in which NaN values are produced (if any are produced at all). Which is fine to change. Aside from NaN handling, this implementation produces bitwise identical results to the original implementation. The new implementation is gated on targets that have a fast 64-bit floating point implementation in hardware, and on WASM. --- library/core/src/num/f32.rs | 51 +++++++++++++++++++++++------------ library/core/tests/num/mod.rs | 29 +++++++++++++++++--- 2 files changed, 60 insertions(+), 20 deletions(-) diff --git a/library/core/src/num/f32.rs b/library/core/src/num/f32.rs index 047cb64ce506..7551a5094920 100644 --- a/library/core/src/num/f32.rs +++ b/library/core/src/num/f32.rs @@ -1016,25 +1016,42 @@ impl f32 { /// ``` #[unstable(feature = "num_midpoint", issue = "110840")] pub fn midpoint(self, other: f32) -> f32 { - const LO: f32 = f32::MIN_POSITIVE * 2.; - const HI: f32 = f32::MAX / 2.; + cfg_if! { + if #[cfg(any( + target_arch = "x86_64", + target_arch = "aarch64", + all(any(target_arch="riscv32", target_arch= "riscv64"), target_feature="d"), + all(target_arch = "arm", target_feature="vfp2"), + target_arch = "wasm32", + target_arch = "wasm64", + ))] { + // whitelist the faster implementation to targets that have known good 64-bit float + // implementations. Falling back to the branchy code on targets that don't have + // 64-bit hardware floats or buggy implementations. + // see: https://github.com/rust-lang/rust/pull/121062#issuecomment-2123408114 + ((f64::from(self) + f64::from(other)) / 2.0) as f32 + } else { + const LO: f32 = f32::MIN_POSITIVE * 2.; + const HI: f32 = f32::MAX / 2.; - let (a, b) = (self, other); - let abs_a = a.abs_private(); - let abs_b = b.abs_private(); + let (a, b) = (self, other); + let abs_a = a.abs_private(); + let abs_b = b.abs_private(); - if abs_a <= HI && abs_b <= HI { - // Overflow is impossible - (a + b) / 2. - } else if abs_a < LO { - // Not safe to halve a - a + (b / 2.) - } else if abs_b < LO { - // Not safe to halve b - (a / 2.) + b - } else { - // Not safe to halve a and b - (a / 2.) + (b / 2.) + if abs_a <= HI && abs_b <= HI { + // Overflow is impossible + (a + b) / 2. + } else if abs_a < LO { + // Not safe to halve a + a + (b / 2.) + } else if abs_b < LO { + // Not safe to halve b + (a / 2.) + b + } else { + // Not safe to halve a and b + (a / 2.) + (b / 2.) + } + } } } diff --git a/library/core/tests/num/mod.rs b/library/core/tests/num/mod.rs index 863da9b18a28..4b41db72f9bd 100644 --- a/library/core/tests/num/mod.rs +++ b/library/core/tests/num/mod.rs @@ -719,7 +719,7 @@ assume_usize_width! { } macro_rules! test_float { - ($modname: ident, $fty: ty, $inf: expr, $neginf: expr, $nan: expr, $min: expr, $max: expr, $min_pos: expr) => { + ($modname: ident, $fty: ty, $inf: expr, $neginf: expr, $nan: expr, $min: expr, $max: expr, $min_pos: expr, $max_exp:expr) => { mod $modname { #[test] fn min() { @@ -870,6 +870,27 @@ macro_rules! test_float { assert!(($nan as $fty).midpoint(1.0).is_nan()); assert!((1.0 as $fty).midpoint($nan).is_nan()); assert!(($nan as $fty).midpoint($nan).is_nan()); + + // test if large differences in magnitude are still correctly computed. + // NOTE: that because of how small x and y are, x + y can never overflow + // so (x + y) / 2.0 is always correct + // in particular, `2.pow(i)` will never be at the max exponent, so it could + // be safely doubled, while j is significantly smaller. + for i in $max_exp.saturating_sub(64)..$max_exp { + for j in 0..64u8 { + let large = <$fty>::from(2.0f32).powi(i); + // a much smaller number, such that there is no chance of overflow to test + // potential double rounding in midpoint's implementation. + let small = <$fty>::from(2.0f32).powi($max_exp - 1) + * <$fty>::EPSILON + * <$fty>::from(j); + + let naive = (large + small) / 2.0; + let midpoint = large.midpoint(small); + + assert_eq!(naive, midpoint); + } + } } #[test] fn rem_euclid() { @@ -902,7 +923,8 @@ test_float!( f32::NAN, f32::MIN, f32::MAX, - f32::MIN_POSITIVE + f32::MIN_POSITIVE, + f32::MAX_EXP ); test_float!( f64, @@ -912,5 +934,6 @@ test_float!( f64::NAN, f64::MIN, f64::MAX, - f64::MIN_POSITIVE + f64::MIN_POSITIVE, + f64::MAX_EXP ); From 45622450f8bcf4e39238ade6830873a30438e173 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E8=AE=B8=E6=9D=B0=E5=8F=8B=20Jieyou=20Xu=20=28Joe=29?= Date: Fri, 31 May 2024 17:52:41 +0000 Subject: [PATCH 0854/1716] compiletest: split rmake executable from scratch dir When implementing support for rmake.rs, I copied over the `$TMPDIR` directory logic from the legacy Makefile setup. In doing so, I also compiled recipe `rmake.rs` into executables which unfortunately are placed into `$TMPDIR` as well. This causes a problem on Windows where: - The `rmake.exe` executable is placed in `$TMPDIR`. - We run the `rmake.exe` as a process. - The process uses `rmake.exe` inside `$TMPDIR`. - Windows prevents the .exe file from being deleted when the process is still alive. - The recipe test code tries to `remove_dir_all($TMPDIR)`, which fails with access denied because `rmake.exe` is still being used. We fix this by separating the recipe executable and the sratch directory: ``` base_dir/ rmake.exe scratch/ ``` We construct a base directory, unique to each run-make test, under which we place rmake.exe alongside a `scratch/` directory. This `scratch/` directory is what is passed to rmake.rs tests as `$TMPDIR`, so now `remove_dir_all($TMPDIR)` has a chance to succeed because it no longer contains `rmake.exe`. Oops. This was a fun one to try figure out. --- src/tools/compiletest/src/runtest.rs | 33 ++++++++++++++++++++-------- 1 file changed, 24 insertions(+), 9 deletions(-) diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs index 79e158992d47..1c2e3c406713 100644 --- a/src/tools/compiletest/src/runtest.rs +++ b/src/tools/compiletest/src/runtest.rs @@ -3431,11 +3431,23 @@ impl<'test> TestCx<'test> { let build_root = self.config.build_base.parent().unwrap().parent().unwrap(); let build_root = cwd.join(&build_root); - let tmpdir = cwd.join(self.output_base_name()); - if tmpdir.exists() { - self.aggressive_rm_rf(&tmpdir).unwrap(); + // We construct the following directory tree for each rmake.rs test: + // ``` + // base_dir/ + // rmake.exe + // scratch/ + // ``` + // having the executable separate from the scratch directory allows the recipes to + // `remove_dir_all(scratch)` without running into permission denied issues because + // the executable is not under the `scratch/` directory. + // + // This setup diverges from legacy Makefile run-make tests. + let base_dir = cwd.join(self.output_base_name()); + if base_dir.exists() { + self.aggressive_rm_rf(&base_dir).unwrap(); } - create_dir_all(&tmpdir).unwrap(); + let rmake_out_dir = base_dir.join("rmake_out"); + create_dir_all(&rmake_out_dir).unwrap(); // HACK: assume stageN-target, we only want stageN. let stage = self.config.stage_id.split('-').next().unwrap(); @@ -3452,8 +3464,11 @@ impl<'test> TestCx<'test> { stage_std_path.push("lib"); // Then, we need to build the recipe `rmake.rs` and link in the support library. - let recipe_bin = - tmpdir.join(if self.config.target.contains("windows") { "rmake.exe" } else { "rmake" }); + let recipe_bin = base_dir.join(if self.config.target.contains("windows") { + "rmake.exe" + } else { + "rmake" + }); let mut support_lib_deps = PathBuf::new(); support_lib_deps.push(&build_root); @@ -3494,7 +3509,7 @@ impl<'test> TestCx<'test> { .env("S", &src_root) .env("RUST_BUILD_STAGE", &self.config.stage_id) .env("RUSTC", cwd.join(&self.config.rustc_path)) - .env("TMPDIR", &tmpdir) + .env("TMPDIR", &rmake_out_dir) .env("LD_LIB_PATH_ENVVAR", dylib_env_var()) .env(dylib_env_var(), &host_dylib_env_paths) .env("HOST_RPATH_DIR", cwd.join(&self.config.compile_lib_path)) @@ -3530,7 +3545,7 @@ impl<'test> TestCx<'test> { let dylib_env_paths = env::join_paths(dylib_env_paths).unwrap(); let mut target_rpath_env_path = Vec::new(); - target_rpath_env_path.push(&tmpdir); + target_rpath_env_path.push(&rmake_out_dir); target_rpath_env_path.extend(&orig_dylib_env_paths); let target_rpath_env_path = env::join_paths(target_rpath_env_path).unwrap(); @@ -3546,7 +3561,7 @@ impl<'test> TestCx<'test> { .env("S", &src_root) .env("RUST_BUILD_STAGE", &self.config.stage_id) .env("RUSTC", cwd.join(&self.config.rustc_path)) - .env("TMPDIR", &tmpdir) + .env("TMPDIR", &rmake_out_dir) .env("HOST_RPATH_DIR", cwd.join(&self.config.compile_lib_path)) .env("TARGET_RPATH_DIR", cwd.join(&self.config.run_lib_path)) .env("LLVM_COMPONENTS", &self.config.llvm_components) From 36d5fc9a64769be2dc539d90c9dd374ef45d30c6 Mon Sep 17 00:00:00 2001 From: Vincenzo Palazzo Date: Fri, 31 May 2024 18:10:30 +0000 Subject: [PATCH 0855/1716] Avoid checking the edition as much as possible Inside #123865, we are adding support for the new semantics for expr2024, but we have noted a performance issue. We realized there is a redundant check for each token regarding an edition. This commit moves the edition check to the end, avoiding some extra checks that can slow down compilation time. Link: https://github.com/rust-lang/rust/pull/123865 Co-Developed-by: @eholk Signed-off-by: Vincenzo Palazzo --- compiler/rustc_parse/src/parser/nonterminal.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/compiler/rustc_parse/src/parser/nonterminal.rs b/compiler/rustc_parse/src/parser/nonterminal.rs index 619c4c63e511..a0b704aeea5f 100644 --- a/compiler/rustc_parse/src/parser/nonterminal.rs +++ b/compiler/rustc_parse/src/parser/nonterminal.rs @@ -47,7 +47,7 @@ impl<'a> Parser<'a> { token.can_begin_expr() // This exception is here for backwards compatibility. && !token.is_keyword(kw::Let) - && (token.span.edition().at_least_rust_2024() || !token.is_keyword(kw::Const)) + && (!token.is_keyword(kw::Const) || token.span.edition().at_least_rust_2024()) } NonterminalKind::Ty => token.can_begin_type(), NonterminalKind::Ident => get_macro_ident(token).is_some(), From 5f0043ace66f0db0581bc4bc52d90773cc23d3ac Mon Sep 17 00:00:00 2001 From: Urgau Date: Fri, 31 May 2024 15:39:10 +0200 Subject: [PATCH 0856/1716] Handle no values cfg with --print=check-cfg --- compiler/rustc_driver_impl/src/lib.rs | 18 +++++++++++------- .../src/compiler-flags/print-check-cfg.md | 1 + tests/run-make/print-check-cfg/rmake.rs | 14 ++++++++++++++ 3 files changed, 26 insertions(+), 7 deletions(-) diff --git a/compiler/rustc_driver_impl/src/lib.rs b/compiler/rustc_driver_impl/src/lib.rs index 08b97b4953e9..627fd74c8d77 100644 --- a/compiler/rustc_driver_impl/src/lib.rs +++ b/compiler/rustc_driver_impl/src/lib.rs @@ -814,13 +814,17 @@ fn print_crate_info( match expected_values { ExpectedValues::Any => check_cfgs.push(format!("{name}=any()")), ExpectedValues::Some(values) => { - check_cfgs.extend(values.iter().map(|value| { - if let Some(value) = value { - format!("{name}=\"{value}\"") - } else { - name.to_string() - } - })) + if !values.is_empty() { + check_cfgs.extend(values.iter().map(|value| { + if let Some(value) = value { + format!("{name}=\"{value}\"") + } else { + name.to_string() + } + })) + } else { + check_cfgs.push(format!("{name}=")) + } } } } diff --git a/src/doc/unstable-book/src/compiler-flags/print-check-cfg.md b/src/doc/unstable-book/src/compiler-flags/print-check-cfg.md index e55165b53740..a9237a0f4ef7 100644 --- a/src/doc/unstable-book/src/compiler-flags/print-check-cfg.md +++ b/src/doc/unstable-book/src/compiler-flags/print-check-cfg.md @@ -15,6 +15,7 @@ This print option works similarly to `--print=cfg` (modulo check-cfg specifics): - `cfg(feature, values("foo", "bar"))`: `feature="foo"` and `feature="bar"` - `cfg(feature, values(none(), ""))`: `feature` and `feature=""` - `cfg(feature, values(any()))`: `feature=any()` + - `cfg(feature, values())`: `feature=` - `cfg(any())`: `any()` - *nothing*: `any()=any()` diff --git a/tests/run-make/print-check-cfg/rmake.rs b/tests/run-make/print-check-cfg/rmake.rs index 2d5221644265..a0aa95c8abcf 100644 --- a/tests/run-make/print-check-cfg/rmake.rs +++ b/tests/run-make/print-check-cfg/rmake.rs @@ -48,6 +48,20 @@ fn main() { doesnt_contain: &["any()", "any()=any()", "feature=none()", "feature="], }, }); + check(CheckCfg { + args: &["--check-cfg=cfg(feature, values())"], + contains: Contains::Some { + contains: &["feature="], + doesnt_contain: &["any()", "any()=any()", "feature=none()", "feature"], + }, + }); + check(CheckCfg { + args: &["--check-cfg=cfg(feature, values())", "--check-cfg=cfg(feature, values(none()))"], + contains: Contains::Some { + contains: &["feature"], + doesnt_contain: &["any()", "any()=any()", "feature=none()", "feature="], + }, + }); check(CheckCfg { args: &[ r#"--check-cfg=cfg(feature, values(any()))"#, From f58bf91aceb7bc029bd130a84cbb156f9149491d Mon Sep 17 00:00:00 2001 From: Urgau Date: Fri, 31 May 2024 15:42:07 +0200 Subject: [PATCH 0857/1716] Add missing tracking issue number for --print=check-cfg --- src/doc/unstable-book/src/compiler-flags/print-check-cfg.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/doc/unstable-book/src/compiler-flags/print-check-cfg.md b/src/doc/unstable-book/src/compiler-flags/print-check-cfg.md index a9237a0f4ef7..ab63c986e856 100644 --- a/src/doc/unstable-book/src/compiler-flags/print-check-cfg.md +++ b/src/doc/unstable-book/src/compiler-flags/print-check-cfg.md @@ -1,6 +1,6 @@ # `print=check-cfg` -The tracking issue for this feature is: [#XXXXXX](https://github.com/rust-lang/rust/issues/XXXXXX). +The tracking issue for this feature is: [#125704](https://github.com/rust-lang/rust/issues/125704). ------------------------ From 2416f460f8ae0aa7ed0a47a1c2ed2c3d96645435 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Fri, 31 May 2024 10:47:30 +0200 Subject: [PATCH 0858/1716] Add `dynamic_lib_extension` and `read_dir` functions to `run-make-support` library --- src/tools/run-make-support/src/lib.rs | 38 ++++++++++++++++++--------- 1 file changed, 26 insertions(+), 12 deletions(-) diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index 0cf64db6ac9c..323fc40e6481 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -123,12 +123,23 @@ pub fn dynamic_lib_name(name: &str) -> String { // ``` assert!(!name.contains(char::is_whitespace), "dynamic library name cannot contain whitespace"); + let extension = dynamic_lib_extension(); if is_darwin() { - format!("lib{name}.dylib") + format!("lib{name}.{extension}") } else if is_windows() { - format!("{name}.dll") + format!("{name}.{extension}") } else { - format!("lib{name}.so") + format!("lib{name}.{extension}") + } +} + +pub fn dynamic_lib_extension() -> &'static str { + if is_darwin() { + "dylib" + } else if is_windows() { + "dll" + } else { + "so" } } @@ -249,16 +260,13 @@ pub fn recursive_diff(dir1: impl AsRef, dir2: impl AsRef) { } let dir2 = dir2.as_ref(); - for entry in fs::read_dir(dir1).unwrap() { - let entry = entry.unwrap(); - let entry_name = entry.file_name(); - let path = entry.path(); - - if path.is_dir() { - recursive_diff(&path, &dir2.join(entry_name)); + read_dir(dir1, |entry_path| { + let entry_name = entry_path.file_name().unwrap(); + if entry_path.is_dir() { + recursive_diff(&entry_path, &dir2.join(entry_name)); } else { let path2 = dir2.join(entry_name); - let file1 = read_file(&path); + let file1 = read_file(&entry_path); let file2 = read_file(&path2); // We don't use `assert_eq!` because they are `Vec`, so not great for display. @@ -267,10 +275,16 @@ pub fn recursive_diff(dir1: impl AsRef, dir2: impl AsRef) { assert!( file1 == file2, "`{}` and `{}` have different content", - path.display(), + entry_path.display(), path2.display(), ); } + }); +} + +pub fn read_dir(dir: impl AsRef, callback: F) { + for entry in fs::read_dir(dir).unwrap() { + callback(&entry.unwrap().path()); } } From d23d3408580ca9ba64cd1418698a643ab73c3f31 Mon Sep 17 00:00:00 2001 From: Rua Date: Sun, 2 Jun 2024 12:01:07 +0200 Subject: [PATCH 0859/1716] Implement feature `integer_sign_cast` --- library/core/src/num/int_macros.rs | 24 ++++++++++++++++++++++++ library/core/src/num/uint_macros.rs | 24 ++++++++++++++++++++++++ 2 files changed, 48 insertions(+) diff --git a/library/core/src/num/int_macros.rs b/library/core/src/num/int_macros.rs index c9c6e34eaad8..e674ce46a330 100644 --- a/library/core/src/num/int_macros.rs +++ b/library/core/src/num/int_macros.rs @@ -183,6 +183,30 @@ macro_rules! int_impl { (self as $UnsignedT).trailing_ones() } + /// Returns the bit pattern of `self` reinterpreted as an unsigned integer of the same size. + /// + /// This is a bit safer than `as` because it wouldn't silently change the size if the code + /// is refactored. + /// + /// # Examples + /// + /// Basic usage: + /// + /// ``` + /// #![feature(integer_sign_cast)] + /// + #[doc = concat!("let n = -1", stringify!($SelfT), ";")] + /// + #[doc = concat!("assert_eq!(n.cast_unsigned(), ", stringify!($UnsignedT), "::MAX);")] + /// ``` + #[unstable(feature = "integer_sign_cast", issue = "125882")] + #[must_use = "this returns the result of the operation, \ + without modifying the original"] + #[inline(always)] + pub const fn cast_unsigned(self) -> $UnsignedT { + self as $UnsignedT + } + /// Shifts the bits to the left by a specified amount, `n`, /// wrapping the truncated bits to the end of the resulting integer. /// diff --git a/library/core/src/num/uint_macros.rs b/library/core/src/num/uint_macros.rs index 50a8f4111195..229f5ac58780 100644 --- a/library/core/src/num/uint_macros.rs +++ b/library/core/src/num/uint_macros.rs @@ -184,6 +184,30 @@ macro_rules! uint_impl { (!self).trailing_zeros() } + /// Returns the bit pattern of `self` reinterpreted as a signed integer of the same size. + /// + /// This is a bit safer than `as` because it wouldn't silently change the size if the code + /// is refactored. + /// + /// # Examples + /// + /// Basic usage: + /// + /// ``` + /// #![feature(integer_sign_cast)] + /// + #[doc = concat!("let n = ", stringify!($SelfT), "::MAX;")] + /// + #[doc = concat!("assert_eq!(n.cast_signed(), -1", stringify!($SignedT), ");")] + /// ``` + #[unstable(feature = "integer_sign_cast", issue = "125882")] + #[must_use = "this returns the result of the operation, \ + without modifying the original"] + #[inline(always)] + pub const fn cast_signed(self) -> $SignedT { + self as $SignedT + } + /// Shifts the bits to the left by a specified amount, `n`, /// wrapping the truncated bits to the end of the resulting integer. /// From 32933a6869281aaa7718be4c42f5a2b0c9c9c4cf Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Fri, 31 May 2024 10:47:57 +0200 Subject: [PATCH 0860/1716] Migrate `run-make/c-link-to-rust-dylib` to `rmake.rs` --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/c-link-to-rust-dylib/Makefile | 21 ---------- tests/run-make/c-link-to-rust-dylib/rmake.rs | 41 +++++++++++++++++++ 3 files changed, 41 insertions(+), 22 deletions(-) delete mode 100644 tests/run-make/c-link-to-rust-dylib/Makefile create mode 100644 tests/run-make/c-link-to-rust-dylib/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index ebe9d2b7bb0b..57637f7ae642 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -6,7 +6,6 @@ run-make/bare-outfile/Makefile run-make/branch-protection-check-IBT/Makefile run-make/c-dynamic-dylib/Makefile run-make/c-dynamic-rlib/Makefile -run-make/c-link-to-rust-dylib/Makefile run-make/c-static-dylib/Makefile run-make/c-static-rlib/Makefile run-make/c-unwind-abi-catch-lib-panic/Makefile diff --git a/tests/run-make/c-link-to-rust-dylib/Makefile b/tests/run-make/c-link-to-rust-dylib/Makefile deleted file mode 100644 index 201f717ece49..000000000000 --- a/tests/run-make/c-link-to-rust-dylib/Makefile +++ /dev/null @@ -1,21 +0,0 @@ -# This test checks that C linking with Rust does not encounter any errors, with dynamic libraries. -# See https://github.com/rust-lang/rust/issues/10434 - -# ignore-cross-compile -include ../tools.mk - -all: $(TMPDIR)/$(call BIN,bar) - $(call RUN,bar) - $(call REMOVE_DYLIBS,foo) - $(call FAIL,bar) - -ifdef IS_MSVC -$(TMPDIR)/$(call BIN,bar): $(call DYLIB,foo) - $(CC) bar.c $(TMPDIR)/foo.dll.lib $(call OUT_EXE,bar) -else -$(TMPDIR)/$(call BIN,bar): $(call DYLIB,foo) - $(CC) bar.c -lfoo -o $(call RUN_BINFILE,bar) -L $(TMPDIR) -endif - -$(call DYLIB,foo): foo.rs - $(RUSTC) foo.rs diff --git a/tests/run-make/c-link-to-rust-dylib/rmake.rs b/tests/run-make/c-link-to-rust-dylib/rmake.rs new file mode 100644 index 000000000000..5c4b6d786496 --- /dev/null +++ b/tests/run-make/c-link-to-rust-dylib/rmake.rs @@ -0,0 +1,41 @@ +// This test checks that C linking with Rust does not encounter any errors, with dynamic libraries. +// See . + +//@ ignore-cross-compile + +use std::fs::remove_file; + +use run_make_support::{ + cc, dynamic_lib_extension, is_msvc, read_dir, run, run_fail, rustc, tmp_dir, +}; + +fn main() { + rustc().input("foo.rs").run(); + + if is_msvc() { + let lib = tmp_dir().join("foo.dll.lib"); + + cc().input("bar.c").arg(lib).out_exe("bar").run(); + } else { + cc().input("bar.c") + .arg("-lfoo") + .output(tmp_dir().join("bar")) + .library_search_path(tmp_dir()) + .run(); + } + + run("bar"); + + let expected_extension = dynamic_lib_extension(); + read_dir(tmp_dir(), |path| { + if path.is_file() + && path.extension().is_some_and(|ext| ext == expected_extension) + && path.file_name().and_then(|name| name.to_str()).is_some_and(|name| { + name.ends_with(".so") || name.ends_with(".dll") || name.ends_with(".dylib") + }) + { + remove_file(path).unwrap(); + } + }); + run_fail("bar"); +} From 5c32f84048f12b4cdbb404c0c543d38dec622d26 Mon Sep 17 00:00:00 2001 From: Jubilee Young Date: Sun, 2 Jun 2024 01:03:51 -0700 Subject: [PATCH 0861/1716] Test codegen for repr(packed,simd) --- tests/codegen/simd/packed-simd-alignment.rs | 44 +++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 tests/codegen/simd/packed-simd-alignment.rs diff --git a/tests/codegen/simd/packed-simd-alignment.rs b/tests/codegen/simd/packed-simd-alignment.rs new file mode 100644 index 000000000000..53e88d8e5cf1 --- /dev/null +++ b/tests/codegen/simd/packed-simd-alignment.rs @@ -0,0 +1,44 @@ +//@ compile-flags: -Cno-prepopulate-passes + +#![crate_type = "lib"] +#![feature(repr_simd, core_intrinsics)] +// make sure that codegen emits correctly-aligned loads and stores for repr(packed, simd) types +// the alignment of a load should be no less than T, and no more than the size of the vector type +use std::intrinsics::simd as intrinsics; + +#[derive(Copy, Clone)] +#[repr(packed, simd)] +struct f32x3([f32; 3]); + +#[derive(Copy, Clone)] +#[repr(packed, simd)] +struct f32x4([f32; 4]); + +// CHECK-LABEL: load_f32x3 +#[no_mangle] +pub fn load_f32x3(floats: &f32x3) -> f32x3 { + // FIXME: Is a memcpy really the best we can do? + // CHECK: @llvm.memcpy.{{.*}}ptr align 4 {{.*}}ptr align 4 + *floats +} + +// CHECK-LABEL: load_f32x4 +#[no_mangle] +pub fn load_f32x4(floats: &f32x4) -> f32x4 { + // CHECK: load <4 x float>, ptr %{{[a-z0-9_]*}}, align {{4|8|16}} + *floats +} + +// CHECK-LABEL: add_f32x3 +#[no_mangle] +pub fn add_f32x3(x: f32x3, y: f32x3) -> f32x3 { + // CHECK: load <3 x float>, ptr %{{[a-z0-9_]*}}, align 4 + unsafe { intrinsics::simd_add(x, y) } +} + +// CHECK-LABEL: add_f32x4 +#[no_mangle] +pub fn add_f32x4(x: f32x4, y: f32x4) -> f32x4 { + // CHECK: load <4 x float>, ptr %{{[a-z0-9_]*}}, align {{4|8|16}} + unsafe { intrinsics::simd_add(x, y) } +} From 3aefc4aeb27f0322b0771b187c0c0438c9789e0c Mon Sep 17 00:00:00 2001 From: Nilstrieb <48135649+Nilstrieb@users.noreply.github.com> Date: Sun, 2 Jun 2024 12:50:49 +0200 Subject: [PATCH 0862/1716] Improve compiletest expected/not found formatting compiletest, oh compiletest, you are truly one of the tools in this repository. You're the omnipresent gatekeeper, ensuring that every new change works, doesn't break the world, and is nice. We thank you for your work, for your tests, for your test runs, for your features that help writing tests, for all the stability and and good you have caused. Without you, Rust wouldn't exist as it does, without you, nothing would work, without you, we would all go insane from having changes break and having to test them all by hand. Thank you, compiletest. but holy shit i fucking hate your stupid debug output so much i simply cannot take this anymore aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa By changing a few magic lines in this file called "runtest.rs", we can cause compiletest to emit nicer messages. This is widely regarded as a good thing. We stop wasting vertical space, allowing more errors to be displayed at once. Additionally, we add colors, which make it so much more pretty *and* gay, both of which are very good and useful. There's a bit of fuckery needed to get the colors to work. `colored` checks whether stdout is a terminal. We also print to stdout, so that works well. But.... for some stupid reason that I absolutely refuse to even attempt to debug, stdout is *not* a terminal when executing tests *in a terminal*. But stderr is >:). So this just checks whether stderr is a terminal. If you have a use case where you dump compiletest stdout into a place where colors are not supported while having stderr be a terminal, then I'm sorry for you, but you are gonna get colors and you're gonna like it. Stop it with the usual environment variable, which `colored` also respects by default. --- src/tools/compiletest/src/errors.rs | 12 ++++++++++++ src/tools/compiletest/src/main.rs | 10 +++++++++- src/tools/compiletest/src/runtest.rs | 18 +++++++++++++----- 3 files changed, 34 insertions(+), 6 deletions(-) diff --git a/src/tools/compiletest/src/errors.rs b/src/tools/compiletest/src/errors.rs index c11d3da13a8b..7a5abc51d043 100644 --- a/src/tools/compiletest/src/errors.rs +++ b/src/tools/compiletest/src/errors.rs @@ -57,6 +57,18 @@ pub struct Error { pub msg: String, } +impl Error { + pub fn render_for_expected(&self) -> String { + use colored::Colorize; + format!( + "{: <10}line {: >3}: {}", + self.kind.map(|kind| kind.to_string()).unwrap_or_default().to_uppercase(), + self.line_num, + self.msg.cyan(), + ) + } +} + #[derive(PartialEq, Debug)] enum WhichLine { ThisLine, diff --git a/src/tools/compiletest/src/main.rs b/src/tools/compiletest/src/main.rs index 42c751bb6bed..1ec3f0a0552e 100644 --- a/src/tools/compiletest/src/main.rs +++ b/src/tools/compiletest/src/main.rs @@ -1,10 +1,18 @@ -use std::{env, sync::Arc}; +use std::{env, io::IsTerminal, sync::Arc}; use compiletest::{common::Mode, log_config, parse_config, run_tests}; fn main() { tracing_subscriber::fmt::init(); + // colored checks stdout by default, but for some reason only stderr is a terminal. + // compiletest *does* print many things to stdout, but it doesn't really matter. + if std::io::stderr().is_terminal() + && matches!(std::env::var("NO_COLOR").as_deref(), Err(_) | Ok("0")) + { + colored::control::set_override(true); + } + let config = Arc::new(parse_config(env::args().collect())); if config.valgrind_path.is_none() && config.force_valgrind { diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs index 79e158992d47..4c233eed7fdd 100644 --- a/src/tools/compiletest/src/runtest.rs +++ b/src/tools/compiletest/src/runtest.rs @@ -17,10 +17,10 @@ use crate::json; use crate::read2::{read2_abbreviated, Truncated}; use crate::util::{add_dylib_path, dylib_env_var, logv, PathBufExt}; use crate::ColorConfig; +use colored::Colorize; use miropt_test_tools::{files_for_miropt_test, MiroptTest, MiroptTestFile}; use regex::{Captures, Regex}; use rustfix::{apply_suggestions, get_suggestions_from_json, Filter}; - use std::collections::{HashMap, HashSet}; use std::env; use std::ffi::{OsStr, OsString}; @@ -1493,14 +1493,22 @@ impl<'test> TestCx<'test> { unexpected.len(), not_found.len() )); - println!("status: {}\ncommand: {}", proc_res.status, proc_res.cmdline); + println!("status: {}\ncommand: {}\n", proc_res.status, proc_res.cmdline); if !unexpected.is_empty() { - println!("unexpected errors (from JSON output): {:#?}\n", unexpected); + println!("{}", "--- unexpected errors (from JSON output) ---".green()); + for error in &unexpected { + println!("{}", error.render_for_expected()); + } + println!("{}", "---".green()); } if !not_found.is_empty() { - println!("not found errors (from test file): {:#?}\n", not_found); + println!("{}", "--- not found errors (from test file) ---".red()); + for error in ¬_found { + println!("{}", error.render_for_expected()); + } + println!("{}", "---\n".red()); } - panic!(); + panic!("errors differ from expected"); } } From c3de4b3aad6a2be86d4711086267e21660bf2b23 Mon Sep 17 00:00:00 2001 From: Camille GILLOT Date: Sun, 2 Jun 2024 12:40:07 +0000 Subject: [PATCH 0863/1716] Handle all GVN binops in a single place. --- compiler/rustc_mir_transform/src/gvn.rs | 70 ++++++++++++++----------- 1 file changed, 40 insertions(+), 30 deletions(-) diff --git a/compiler/rustc_mir_transform/src/gvn.rs b/compiler/rustc_mir_transform/src/gvn.rs index fadb5edefdfb..548e4e309360 100644 --- a/compiler/rustc_mir_transform/src/gvn.rs +++ b/compiler/rustc_mir_transform/src/gvn.rs @@ -223,7 +223,6 @@ enum Value<'tcx> { NullaryOp(NullOp<'tcx>, Ty<'tcx>), UnaryOp(UnOp, VnIndex), BinaryOp(BinOp, VnIndex, VnIndex), - CheckedBinaryOp(BinOp, VnIndex, VnIndex), // FIXME get rid of this, work like MIR instead Cast { kind: CastKind, value: VnIndex, @@ -508,17 +507,6 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { let val = self.ecx.binary_op(bin_op, &lhs, &rhs).ok()?; val.into() } - CheckedBinaryOp(bin_op, lhs, rhs) => { - let lhs = self.evaluated[lhs].as_ref()?; - let lhs = self.ecx.read_immediate(lhs).ok()?; - let rhs = self.evaluated[rhs].as_ref()?; - let rhs = self.ecx.read_immediate(rhs).ok()?; - let val = self - .ecx - .binary_op(bin_op.wrapping_to_overflowing().unwrap(), &lhs, &rhs) - .ok()?; - val.into() - } Cast { kind, value, from: _, to } => match kind { CastKind::IntToInt | CastKind::IntToFloat => { let value = self.evaluated[value].as_ref()?; @@ -829,17 +817,10 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { let lhs = lhs?; let rhs = rhs?; - if let Some(op) = op.overflowing_to_wrapping() { - if let Some(value) = self.simplify_binary(op, true, ty, lhs, rhs) { - return Some(value); - } - Value::CheckedBinaryOp(op, lhs, rhs) - } else { - if let Some(value) = self.simplify_binary(op, false, ty, lhs, rhs) { - return Some(value); - } - Value::BinaryOp(op, lhs, rhs) + if let Some(value) = self.simplify_binary(op, ty, lhs, rhs) { + return Some(value); } + Value::BinaryOp(op, lhs, rhs) } Rvalue::UnaryOp(op, ref mut arg) => { let arg = self.simplify_operand(arg, location)?; @@ -970,7 +951,6 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { fn simplify_binary( &mut self, op: BinOp, - checked: bool, lhs_ty: Ty<'tcx>, lhs: VnIndex, rhs: VnIndex, @@ -999,22 +979,39 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { use Either::{Left, Right}; let a = as_bits(lhs).map_or(Right(lhs), Left); let b = as_bits(rhs).map_or(Right(rhs), Left); + let result = match (op, a, b) { // Neutral elements. - (BinOp::Add | BinOp::BitOr | BinOp::BitXor, Left(0), Right(p)) + ( + BinOp::Add + | BinOp::AddWithOverflow + | BinOp::AddUnchecked + | BinOp::BitOr + | BinOp::BitXor, + Left(0), + Right(p), + ) | ( BinOp::Add + | BinOp::AddWithOverflow + | BinOp::AddUnchecked | BinOp::BitOr | BinOp::BitXor | BinOp::Sub + | BinOp::SubWithOverflow + | BinOp::SubUnchecked | BinOp::Offset | BinOp::Shl | BinOp::Shr, Right(p), Left(0), ) - | (BinOp::Mul, Left(1), Right(p)) - | (BinOp::Mul | BinOp::Div, Right(p), Left(1)) => p, + | (BinOp::Mul | BinOp::MulWithOverflow | BinOp::MulUnchecked, Left(1), Right(p)) + | ( + BinOp::Mul | BinOp::MulWithOverflow | BinOp::MulUnchecked | BinOp::Div, + Right(p), + Left(1), + ) => p, // Attempt to simplify `x & ALL_ONES` to `x`, with `ALL_ONES` depending on type size. (BinOp::BitAnd, Right(p), Left(ones)) | (BinOp::BitAnd, Left(ones), Right(p)) if ones == layout.size.truncate(u128::MAX) @@ -1023,10 +1020,21 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { p } // Absorbing elements. - (BinOp::Mul | BinOp::BitAnd, _, Left(0)) + ( + BinOp::Mul | BinOp::MulWithOverflow | BinOp::MulUnchecked | BinOp::BitAnd, + _, + Left(0), + ) | (BinOp::Rem, _, Left(1)) | ( - BinOp::Mul | BinOp::Div | BinOp::Rem | BinOp::BitAnd | BinOp::Shl | BinOp::Shr, + BinOp::Mul + | BinOp::MulWithOverflow + | BinOp::MulUnchecked + | BinOp::Div + | BinOp::Rem + | BinOp::BitAnd + | BinOp::Shl + | BinOp::Shr, Left(0), _, ) => self.insert_scalar(Scalar::from_uint(0u128, layout.size), lhs_ty), @@ -1038,7 +1046,9 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { self.insert_scalar(Scalar::from_uint(ones, layout.size), lhs_ty) } // Sub/Xor with itself. - (BinOp::Sub | BinOp::BitXor, a, b) if a == b => { + (BinOp::Sub | BinOp::SubWithOverflow | BinOp::SubUnchecked | BinOp::BitXor, a, b) + if a == b => + { self.insert_scalar(Scalar::from_uint(0u128, layout.size), lhs_ty) } // Comparison: @@ -1052,7 +1062,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { _ => return None, }; - if checked { + if op.is_overflowing() { let false_val = self.insert_bool(false); Some(self.insert_tuple(vec![result, false_val])) } else { From 590c373e43a701cf0218b30bf5fffada80594d9d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E8=AE=B8=E6=9D=B0=E5=8F=8B=20Jieyou=20Xu=20=28Joe=29?= Date: Sun, 2 Jun 2024 14:33:31 +0000 Subject: [PATCH 0864/1716] compiletest: fix outdated rmake.rs comment --- src/tools/compiletest/src/runtest.rs | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs index 1c2e3c406713..15263ab18210 100644 --- a/src/tools/compiletest/src/runtest.rs +++ b/src/tools/compiletest/src/runtest.rs @@ -3435,13 +3435,13 @@ impl<'test> TestCx<'test> { // ``` // base_dir/ // rmake.exe - // scratch/ + // rmake_out/ // ``` - // having the executable separate from the scratch directory allows the recipes to - // `remove_dir_all(scratch)` without running into permission denied issues because - // the executable is not under the `scratch/` directory. + // having the executable separate from the output artifacts directory allows the recipes to + // `remove_dir_all($TMPDIR)` without running into permission denied issues because + // the executable is not under the `rmake_out/` directory. // - // This setup diverges from legacy Makefile run-make tests. + // This setup intentionally diverges from legacy Makefile run-make tests. let base_dir = cwd.join(self.output_base_name()); if base_dir.exists() { self.aggressive_rm_rf(&base_dir).unwrap(); From 361c6a5c3a613d3693e9d97da3d9530cc5b7626d Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sun, 2 Jun 2024 18:15:50 +0200 Subject: [PATCH 0865/1716] typo: depending from -> on --- library/core/src/str/pattern.rs | 2 +- library/std/src/sys/thread_local/fast_local/mod.rs | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/library/core/src/str/pattern.rs b/library/core/src/str/pattern.rs index cc66da25795d..8988229be2e5 100644 --- a/library/core/src/str/pattern.rs +++ b/library/core/src/str/pattern.rs @@ -342,7 +342,7 @@ pub unsafe trait ReverseSearcher<'a>: Searcher<'a> { /// /// `(&str)::Searcher` is not a `DoubleEndedSearcher` because /// the pattern `"aa"` in the haystack `"aaa"` matches as either -/// `"[aa]a"` or `"a[aa]"`, depending from which side it is searched. +/// `"[aa]a"` or `"a[aa]"`, depending on which side it is searched. pub trait DoubleEndedSearcher<'a>: ReverseSearcher<'a> {} ///////////////////////////////////////////////////////////////////////////// diff --git a/library/std/src/sys/thread_local/fast_local/mod.rs b/library/std/src/sys/thread_local/fast_local/mod.rs index 25379071cb7a..152137d92709 100644 --- a/library/std/src/sys/thread_local/fast_local/mod.rs +++ b/library/std/src/sys/thread_local/fast_local/mod.rs @@ -1,7 +1,7 @@ //! Thread local support for platforms with native TLS. //! //! To achieve the best performance, we choose from four different types for -//! the TLS variable, depending from the method of initialization used (`const` +//! the TLS variable, depending on the method of initialization used (`const` //! or lazy) and the drop requirements of the stored type: //! //! | | `Drop` | `!Drop` | From d313e7e1836e3f92f42f6acdea449224288a1f23 Mon Sep 17 00:00:00 2001 From: Alex Crichton Date: Sun, 2 Jun 2024 11:28:04 -0700 Subject: [PATCH 0866/1716] Fix testing examples in documentation --- src/doc/rustc/src/platform-support/wasm32-wasip1-threads.md | 2 +- src/doc/rustc/src/platform-support/wasm32-wasip1.md | 2 +- src/doc/rustc/src/platform-support/wasm32-wasip2.md | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/src/doc/rustc/src/platform-support/wasm32-wasip1-threads.md b/src/doc/rustc/src/platform-support/wasm32-wasip1-threads.md index 66cf964bd259..2b3d15e93c8c 100644 --- a/src/doc/rustc/src/platform-support/wasm32-wasip1-threads.md +++ b/src/doc/rustc/src/platform-support/wasm32-wasip1-threads.md @@ -155,7 +155,7 @@ or another engine that supports `wasi-threads` is installed and can be found in It's recommended to conditionally compile code for this target with: -``` +```text #[cfg(all(target_os = "wasi", target_env = "p1", target_feature = "atomics"))] ``` diff --git a/src/doc/rustc/src/platform-support/wasm32-wasip1.md b/src/doc/rustc/src/platform-support/wasm32-wasip1.md index 3f6ed130e12a..fb70bbdc2b40 100644 --- a/src/doc/rustc/src/platform-support/wasm32-wasip1.md +++ b/src/doc/rustc/src/platform-support/wasm32-wasip1.md @@ -126,7 +126,7 @@ can be tested locally, for example, with: It's recommended to conditionally compile code for this target with: -``` +```text #[cfg(all(target_os = "wasi", target_env = "p1"))] ``` diff --git a/src/doc/rustc/src/platform-support/wasm32-wasip2.md b/src/doc/rustc/src/platform-support/wasm32-wasip2.md index 7b4eb31b2149..1e53fbc178e2 100644 --- a/src/doc/rustc/src/platform-support/wasm32-wasip2.md +++ b/src/doc/rustc/src/platform-support/wasm32-wasip2.md @@ -58,6 +58,6 @@ This target is not tested in CI at this time. Locally it can be tested with a It's recommended to conditionally compile code for this target with: -``` +```text #[cfg(all(target_os = "wasi", target_env = "p2"))] ``` From b181e8106c96ed7305cb9d87598249d363035fa8 Mon Sep 17 00:00:00 2001 From: Rua Date: Sun, 2 Jun 2024 21:03:24 +0200 Subject: [PATCH 0867/1716] Wording of the documentation --- library/core/src/num/int_macros.rs | 4 ++-- library/core/src/num/uint_macros.rs | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/library/core/src/num/int_macros.rs b/library/core/src/num/int_macros.rs index e674ce46a330..96510ee4dca6 100644 --- a/library/core/src/num/int_macros.rs +++ b/library/core/src/num/int_macros.rs @@ -185,8 +185,8 @@ macro_rules! int_impl { /// Returns the bit pattern of `self` reinterpreted as an unsigned integer of the same size. /// - /// This is a bit safer than `as` because it wouldn't silently change the size if the code - /// is refactored. + /// This produces the same result as an `as` cast, but ensures that the bit-width remains + /// the same. /// /// # Examples /// diff --git a/library/core/src/num/uint_macros.rs b/library/core/src/num/uint_macros.rs index 229f5ac58780..1491c27372bf 100644 --- a/library/core/src/num/uint_macros.rs +++ b/library/core/src/num/uint_macros.rs @@ -186,8 +186,8 @@ macro_rules! uint_impl { /// Returns the bit pattern of `self` reinterpreted as a signed integer of the same size. /// - /// This is a bit safer than `as` because it wouldn't silently change the size if the code - /// is refactored. + /// This produces the same result as an `as` cast, but ensures that the bit-width remains + /// the same. /// /// # Examples /// From 8530285f4ef240bf748cb207fa7d1794dca2e68f Mon Sep 17 00:00:00 2001 From: Vadim Petrochenkov Date: Mon, 3 Jun 2024 01:01:18 +0300 Subject: [PATCH 0868/1716] rustc_span: Inline some hot functions --- compiler/rustc_span/src/span_encoding.rs | 1 + compiler/rustc_span/src/symbol.rs | 1 + 2 files changed, 2 insertions(+) diff --git a/compiler/rustc_span/src/span_encoding.rs b/compiler/rustc_span/src/span_encoding.rs index 788a52faf568..6a0282266316 100644 --- a/compiler/rustc_span/src/span_encoding.rs +++ b/compiler/rustc_span/src/span_encoding.rs @@ -216,6 +216,7 @@ impl Span { // Returns either syntactic context, if it can be retrieved without taking the interner lock, // or an index into the interner if it cannot. + #[inline] fn inline_ctxt(self) -> Result { Ok(if self.len_with_tag_or_marker != BASE_LEN_INTERNED_MARKER { if self.len_with_tag_or_marker & PARENT_TAG == 0 { diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index 61ca0d54ca49..fe883e03c44c 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -2213,6 +2213,7 @@ impl fmt::Display for IdentPrinter { pub struct MacroRulesNormalizedIdent(Ident); impl MacroRulesNormalizedIdent { + #[inline] pub fn new(ident: Ident) -> Self { Self(ident.normalize_to_macro_rules()) } From 22ca74f2b089b7f861794969934c7e00f7a945a7 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Tue, 7 May 2024 14:12:37 +1000 Subject: [PATCH 0869/1716] Fix up comments. Wrap overly long ones, etc. --- compiler/rustc_lint/src/builtin.rs | 42 ++++++++++++-------- compiler/rustc_lint/src/context.rs | 3 +- compiler/rustc_lint/src/errors.rs | 2 +- compiler/rustc_lint/src/internal.rs | 14 +++---- compiler/rustc_lint/src/let_underscore.rs | 10 ++--- compiler/rustc_lint/src/levels.rs | 22 +++++----- compiler/rustc_lint/src/methods.rs | 6 +-- compiler/rustc_lint/src/non_local_def.rs | 2 +- compiler/rustc_lint/src/nonstandard_style.rs | 10 ++--- compiler/rustc_lint/src/unused.rs | 9 +++-- 10 files changed, 69 insertions(+), 51 deletions(-) diff --git a/compiler/rustc_lint/src/builtin.rs b/compiler/rustc_lint/src/builtin.rs index ba42eae34415..87c433a5dc0b 100644 --- a/compiler/rustc_lint/src/builtin.rs +++ b/compiler/rustc_lint/src/builtin.rs @@ -1494,8 +1494,9 @@ impl<'tcx> LateLintPass<'tcx> for TypeAliasBounds { let ty = cx.tcx.type_of(item.owner_id).skip_binder(); if ty.has_inherent_projections() { - // Bounds of type aliases that contain opaque types or inherent projections are respected. - // E.g: `type X = impl Trait;`, `type X = (impl Trait, Y);`, `type X = Type::Inherent;`. + // Bounds of type aliases that contain opaque types or inherent projections are + // respected. E.g: `type X = impl Trait;`, `type X = (impl Trait, Y);`, `type X = + // Type::Inherent;`. return; } @@ -2224,7 +2225,8 @@ impl<'tcx> LateLintPass<'tcx> for ExplicitOutlivesRequirements { hir_generics.span.shrink_to_hi().to(where_span) }; - // Due to macro expansions, the `full_where_span` might not actually contain all predicates. + // Due to macro expansions, the `full_where_span` might not actually contain all + // predicates. if where_lint_spans.iter().all(|&sp| full_where_span.contains(sp)) { lint_spans.push(full_where_span); } else { @@ -2601,7 +2603,8 @@ impl<'tcx> LateLintPass<'tcx> for InvalidValue { }; // So we have at least one potentially inhabited variant. Might we have two? let Some(second_variant) = potential_variants.next() else { - // There is only one potentially inhabited variant. So we can recursively check that variant! + // There is only one potentially inhabited variant. So we can recursively + // check that variant! return variant_find_init_error( cx, ty, @@ -2611,10 +2614,10 @@ impl<'tcx> LateLintPass<'tcx> for InvalidValue { init, ); }; - // So we have at least two potentially inhabited variants. - // If we can prove that we have at least two *definitely* inhabited variants, - // then we have a tag and hence leaving this uninit is definitely disallowed. - // (Leaving it zeroed could be okay, depending on which variant is encoded as zero tag.) + // So we have at least two potentially inhabited variants. If we can prove that + // we have at least two *definitely* inhabited variants, then we have a tag and + // hence leaving this uninit is definitely disallowed. (Leaving it zeroed could + // be okay, depending on which variant is encoded as zero tag.) if init == InitKind::Uninit { let definitely_inhabited = (first_variant.1 as usize) + (second_variant.1 as usize) @@ -2825,7 +2828,8 @@ impl<'tcx> LateLintPass<'tcx> for NamedAsmLabels { let mut found_labels = Vec::new(); - // A semicolon might not actually be specified as a separator for all targets, but it seems like LLVM accepts it always + // A semicolon might not actually be specified as a separator for all targets, but + // it seems like LLVM accepts it always. let statements = template_str.split(|c| matches!(c, '\n' | ';')); for statement in statements { // If there's a comment, trim it from the statement @@ -2838,7 +2842,8 @@ impl<'tcx> LateLintPass<'tcx> for NamedAsmLabels { let mut chars = possible_label.chars(); let Some(start) = chars.next() else { - // Empty string means a leading ':' in this section, which is not a label. + // Empty string means a leading ':' in this section, which is not a + // label. break 'label_loop; }; @@ -2855,12 +2860,15 @@ impl<'tcx> LateLintPass<'tcx> for NamedAsmLabels { // Labels continue with ASCII alphanumeric characters, _, or $ for c in chars { - // Inside a template format arg, any character is permitted for the puproses of label detection - // because we assume that it can be replaced with some other valid label string later. - // `options(raw)` asm blocks cannot have format args, so they are excluded from this special case. + // Inside a template format arg, any character is permitted for the + // puproses of label detection because we assume that it can be + // replaced with some other valid label string later. `options(raw)` + // asm blocks cannot have format args, so they are excluded from this + // special case. if !raw && in_bracket { if c == '{' { - // Nested brackets are not allowed in format args, this cannot be a label. + // Nested brackets are not allowed in format args, this cannot + // be a label. break 'label_loop; } @@ -2873,7 +2881,8 @@ impl<'tcx> LateLintPass<'tcx> for NamedAsmLabels { in_bracket = true; } else { if !(c.is_ascii_alphanumeric() || matches!(c, '_' | '$')) { - // The potential label had an invalid character inside it, it cannot be a label. + // The potential label had an invalid character inside it, it + // cannot be a label. break 'label_loop; } } @@ -2892,7 +2901,8 @@ impl<'tcx> LateLintPass<'tcx> for NamedAsmLabels { .into_iter() .filter_map(|label| find_label_span(label)) .collect::>(); - // If there were labels but we couldn't find a span, combine the warnings and use the template span + // If there were labels but we couldn't find a span, combine the warnings and + // use the template span. let target_spans: MultiSpan = if spans.len() > 0 { spans.into() } else { (*template_span).into() }; diff --git a/compiler/rustc_lint/src/context.rs b/compiler/rustc_lint/src/context.rs index 56f07a2b5e99..8f0b4c9565c2 100644 --- a/compiler/rustc_lint/src/context.rs +++ b/compiler/rustc_lint/src/context.rs @@ -94,7 +94,8 @@ enum TargetLint { /// A lint name that should give no warnings and have no effect. /// - /// This is used by rustc to avoid warning about old rustdoc lints before rustdoc registers them as tool lints. + /// This is used by rustc to avoid warning about old rustdoc lints before rustdoc registers + /// them as tool lints. Ignored, } diff --git a/compiler/rustc_lint/src/errors.rs b/compiler/rustc_lint/src/errors.rs index c23d1221bc86..46dfaf0b83f9 100644 --- a/compiler/rustc_lint/src/errors.rs +++ b/compiler/rustc_lint/src/errors.rs @@ -16,7 +16,7 @@ pub struct OverruledAttribute<'a> { #[subdiagnostic] pub sub: OverruledAttributeSub, } -// + pub enum OverruledAttributeSub { DefaultSource { id: String }, NodeSource { span: Span, reason: Option }, diff --git a/compiler/rustc_lint/src/internal.rs b/compiler/rustc_lint/src/internal.rs index 6e291a327fa6..9110cccdc46f 100644 --- a/compiler/rustc_lint/src/internal.rs +++ b/compiler/rustc_lint/src/internal.rs @@ -18,11 +18,11 @@ use rustc_span::Span; use tracing::debug; declare_tool_lint! { - /// The `default_hash_type` lint detects use of [`std::collections::HashMap`]/[`std::collections::HashSet`], - /// suggesting the use of `FxHashMap`/`FxHashSet`. + /// The `default_hash_type` lint detects use of [`std::collections::HashMap`] and + /// [`std::collections::HashSet`], suggesting the use of `FxHashMap`/`FxHashSet`. /// - /// This can help as `FxHasher` can perform better than the default hasher. DOS protection is not - /// required as input is assumed to be trusted. + /// This can help as `FxHasher` can perform better than the default hasher. DOS protection is + /// not required as input is assumed to be trusted. pub rustc::DEFAULT_HASH_TYPES, Allow, "forbid HashMap and HashSet and suggest the FxHash* variants", @@ -35,7 +35,7 @@ impl LateLintPass<'_> for DefaultHashTypes { fn check_path(&mut self, cx: &LateContext<'_>, path: &Path<'_>, hir_id: HirId) { let Res::Def(rustc_hir::def::DefKind::Struct, def_id) = path.res else { return }; if matches!(cx.tcx.hir_node(hir_id), Node::Item(Item { kind: ItemKind::Use(..), .. })) { - // don't lint imports, only actual usages + // Don't lint imports, only actual usages. return; } let preferred = match cx.tcx.get_diagnostic_name(def_id) { @@ -75,8 +75,8 @@ declare_tool_lint! { /// potential query instability, such as iterating over a `HashMap`. /// /// Due to the [incremental compilation](https://rustc-dev-guide.rust-lang.org/queries/incremental-compilation.html) model, - /// queries must return deterministic, stable results. `HashMap` iteration order can change between compilations, - /// and will introduce instability if query results expose the order. + /// queries must return deterministic, stable results. `HashMap` iteration order can change + /// between compilations, and will introduce instability if query results expose the order. pub rustc::POTENTIAL_QUERY_INSTABILITY, Allow, "require explicit opt-in when using potentially unstable methods or functions", diff --git a/compiler/rustc_lint/src/let_underscore.rs b/compiler/rustc_lint/src/let_underscore.rs index ea82fb9f2625..e6c274ec09a7 100644 --- a/compiler/rustc_lint/src/let_underscore.rs +++ b/compiler/rustc_lint/src/let_underscore.rs @@ -113,11 +113,11 @@ impl<'tcx> LateLintPass<'tcx> for LetUnderscore { let mut top_level = true; - // We recursively walk through all patterns, so that we can catch cases where the lock is nested in a pattern. - // For the basic `let_underscore_drop` lint, we only look at the top level, since there are many legitimate reasons - // to bind a sub-pattern to an `_`, if we're only interested in the rest. - // But with locks, we prefer having the chance of "false positives" over missing cases, since the effects can be - // quite catastrophic. + // We recursively walk through all patterns, so that we can catch cases where the lock is + // nested in a pattern. For the basic `let_underscore_drop` lint, we only look at the top + // level, since there are many legitimate reasons to bind a sub-pattern to an `_`, if we're + // only interested in the rest. But with locks, we prefer having the chance of "false + // positives" over missing cases, since the effects can be quite catastrophic. local.pat.walk_always(|pat| { let is_top_level = top_level; top_level = false; diff --git a/compiler/rustc_lint/src/levels.rs b/compiler/rustc_lint/src/levels.rs index 84645e0ce7fc..fea59b5193ce 100644 --- a/compiler/rustc_lint/src/levels.rs +++ b/compiler/rustc_lint/src/levels.rs @@ -750,7 +750,8 @@ impl<'s, P: LintLevelsProvider> LintLevelsBuilder<'s, P> { let level = match Level::from_attr(attr) { None => continue, - // This is the only lint level with a `LintExpectationId` that can be created from an attribute + // This is the only lint level with a `LintExpectationId` that can be created from + // an attribute. Some(Level::Expect(unstable_id)) if let Some(hir_id) = source_hir_id => { let LintExpectationId::Unstable { attr_id, lint_index } = unstable_id else { bug!("stable id Level::from_attr") @@ -760,8 +761,8 @@ impl<'s, P: LintLevelsProvider> LintLevelsBuilder<'s, P> { hir_id, attr_index: attr_index.try_into().unwrap(), lint_index, - // we pass the previous unstable attr_id such that we can trace the ast id when building a map - // to go from unstable to stable id. + // We pass the previous unstable attr_id such that we can trace the ast id + // when building a map to go from unstable to stable id. attr_id: Some(attr_id), }; @@ -860,13 +861,15 @@ impl<'s, P: LintLevelsProvider> LintLevelsBuilder<'s, P> { self.store.check_lint_name(&name, tool_name, self.registered_tools); match &lint_result { CheckLintNameResult::Ok(ids) => { - // This checks for instances where the user writes `#[expect(unfulfilled_lint_expectations)]` - // in that case we want to avoid overriding the lint level but instead add an expectation that - // can't be fulfilled. The lint message will include an explanation, that the + // This checks for instances where the user writes + // `#[expect(unfulfilled_lint_expectations)]` in that case we want to avoid + // overriding the lint level but instead add an expectation that can't be + // fulfilled. The lint message will include an explanation, that the // `unfulfilled_lint_expectations` lint can't be expected. if let Level::Expect(expect_id) = level { - // The `unfulfilled_lint_expectations` lint is not part of any lint groups. Therefore. we - // only need to check the slice if it contains a single lint. + // The `unfulfilled_lint_expectations` lint is not part of any lint + // groups. Therefore. we only need to check the slice if it contains a + // single lint. let is_unfulfilled_lint_expectations = match ids { [lint] => *lint == LintId::of(UNFULFILLED_LINT_EXPECTATIONS), _ => false, @@ -997,7 +1000,8 @@ impl<'s, P: LintLevelsProvider> LintLevelsBuilder<'s, P> { // we don't warn about the name change. if let CheckLintNameResult::Renamed(new_name) = lint_result { // Ignore any errors or warnings that happen because the new name is inaccurate - // NOTE: `new_name` already includes the tool name, so we don't have to add it again. + // NOTE: `new_name` already includes the tool name, so we don't have to add it + // again. let CheckLintNameResult::Ok(ids) = self.store.check_lint_name(&new_name, None, self.registered_tools) else { diff --git a/compiler/rustc_lint/src/methods.rs b/compiler/rustc_lint/src/methods.rs index b93245d58d9d..7a71fec769fe 100644 --- a/compiler/rustc_lint/src/methods.rs +++ b/compiler/rustc_lint/src/methods.rs @@ -25,9 +25,9 @@ declare_lint! { /// /// The inner pointer of a `CString` lives only as long as the `CString` it /// points to. Getting the inner pointer of a *temporary* `CString` allows the `CString` - /// to be dropped at the end of the statement, as it is not being referenced as far as the typesystem - /// is concerned. This means outside of the statement the pointer will point to freed memory, which - /// causes undefined behavior if the pointer is later dereferenced. + /// to be dropped at the end of the statement, as it is not being referenced as far as the + /// typesystem is concerned. This means outside of the statement the pointer will point to + /// freed memory, which causes undefined behavior if the pointer is later dereferenced. pub TEMPORARY_CSTRING_AS_PTR, Warn, "detects getting the inner pointer of a temporary `CString`" diff --git a/compiler/rustc_lint/src/non_local_def.rs b/compiler/rustc_lint/src/non_local_def.rs index 5135996186a7..d7ffc34d824f 100644 --- a/compiler/rustc_lint/src/non_local_def.rs +++ b/compiler/rustc_lint/src/non_local_def.rs @@ -306,7 +306,7 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions { } } -// Detecting if the impl definition is leaking outside of it's defining scope. +// Detecting if the impl definition is leaking outside of its defining scope. // // Rule: for each impl, instantiate all local types with inference vars and // then assemble candidates for that goal, if there are more than 1 (non-private diff --git a/compiler/rustc_lint/src/nonstandard_style.rs b/compiler/rustc_lint/src/nonstandard_style.rs index dbb0644cd63f..d64f44471620 100644 --- a/compiler/rustc_lint/src/nonstandard_style.rs +++ b/compiler/rustc_lint/src/nonstandard_style.rs @@ -297,14 +297,14 @@ impl NonSnakeCase { // We cannot provide meaningful suggestions // if the characters are in the category of "Uppercase Letter". let sub = if name != sc { - // We have a valid span in almost all cases, but we don't have one when linting a crate - // name provided via the command line. + // We have a valid span in almost all cases, but we don't have one when linting a + // crate name provided via the command line. if !span.is_dummy() { let sc_ident = Ident::from_str_and_span(&sc, span); if sc_ident.is_reserved() { - // We shouldn't suggest a reserved identifier to fix non-snake-case identifiers. - // Instead, recommend renaming the identifier entirely or, if permitted, - // escaping it to create a raw identifier. + // We shouldn't suggest a reserved identifier to fix non-snake-case + // identifiers. Instead, recommend renaming the identifier entirely or, if + // permitted, escaping it to create a raw identifier. if sc_ident.name.can_be_raw() { NonSnakeCaseDiagSub::RenameOrConvertSuggestion { span, diff --git a/compiler/rustc_lint/src/unused.rs b/compiler/rustc_lint/src/unused.rs index a6993547c8fc..c8da9f179e71 100644 --- a/compiler/rustc_lint/src/unused.rs +++ b/compiler/rustc_lint/src/unused.rs @@ -387,7 +387,8 @@ impl<'tcx> LateLintPass<'tcx> for UnusedResults { } } - // Returns whether further errors should be suppressed because either a lint has been emitted or the type should be ignored. + // Returns whether further errors should be suppressed because either a lint has been + // emitted or the type should be ignored. fn check_must_use_def( cx: &LateContext<'_>, def_id: DefId, @@ -677,7 +678,8 @@ trait UnusedDelimLint { return true; } - // Check if LHS needs parens to prevent false-positives in cases like `fn x() -> u8 { ({ 0 } + 1) }`. + // Check if LHS needs parens to prevent false-positives in cases like + // `fn x() -> u8 { ({ 0 } + 1) }`. // // FIXME: https://github.com/rust-lang/rust/issues/119426 // The syntax tree in this code is from after macro expansion, so the @@ -722,7 +724,8 @@ trait UnusedDelimLint { } } - // Check if RHS needs parens to prevent false-positives in cases like `if (() == return) {}`. + // Check if RHS needs parens to prevent false-positives in cases like `if (() == return) + // {}`. if !followed_by_block { return false; } From d070e892305435781604da3e8dc14b862f5ed6a4 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 8 May 2024 10:04:26 +1000 Subject: [PATCH 0870/1716] Reduce some `pub` exposure. --- compiler/rustc_lint/src/passes.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/compiler/rustc_lint/src/passes.rs b/compiler/rustc_lint/src/passes.rs index c4f5f152de52..2a843977990c 100644 --- a/compiler/rustc_lint/src/passes.rs +++ b/compiler/rustc_lint/src/passes.rs @@ -237,5 +237,5 @@ macro_rules! declare_combined_early_lint_pass { } /// A lint pass boxed up as a trait object. -pub type EarlyLintPassObject = Box; -pub type LateLintPassObject<'tcx> = Box + 'tcx>; +pub(crate) type EarlyLintPassObject = Box; +pub(crate) type LateLintPassObject<'tcx> = Box + 'tcx>; From 32c8a128544272effe74fcf4bc24c2ec1c339c5c Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Tue, 7 May 2024 14:37:57 +1000 Subject: [PATCH 0871/1716] Tweak `CheckLintNameResult::Tool`. It has a clumsy type, with repeated `&'a [LintId]`, and sometimes requires an empty string that isn't used in the `Err`+`None` case. This commit splits it into two variants. --- compiler/rustc_lint/src/context.rs | 39 ++++++++++--------- compiler/rustc_lint/src/levels.rs | 60 +++++++++++++----------------- 2 files changed, 46 insertions(+), 53 deletions(-) diff --git a/compiler/rustc_lint/src/context.rs b/compiler/rustc_lint/src/context.rs index 8f0b4c9565c2..9f0f116cbd03 100644 --- a/compiler/rustc_lint/src/context.rs +++ b/compiler/rustc_lint/src/context.rs @@ -127,12 +127,16 @@ pub enum CheckLintNameResult<'a> { Renamed(String), /// The lint has been removed due to the given reason. Removed(String), - /// The lint is from a tool. If the Option is None, then either - /// the lint does not exist in the tool or the code was not - /// compiled with the tool and therefore the lint was never - /// added to the `LintStore`. Otherwise the `LintId` will be - /// returned as if it where a rustc lint. - Tool(Result<&'a [LintId], (Option<&'a [LintId]>, String)>), + + /// The lint is from a tool. The `LintId` will be returned as if it were a + /// rustc lint. The `Option` indicates if the lint has been + /// renamed. + Tool(&'a [LintId], Option), + + /// The lint is from a tool. Either the lint does not exist in the tool or + /// the code was not compiled with the tool and therefore the lint was + /// never added to the `LintStore`. + MissingTool, } impl LintStore { @@ -385,14 +389,14 @@ impl LintStore { } else { // 2. The tool isn't currently running, so no lints will be registered. // To avoid giving a false positive, ignore all unknown lints. - CheckLintNameResult::Tool(Err((None, String::new()))) + CheckLintNameResult::MissingTool }; } Some(LintGroup { lint_ids, .. }) => { - return CheckLintNameResult::Tool(Ok(lint_ids)); + return CheckLintNameResult::Tool(lint_ids, None); } }, - Some(Id(id)) => return CheckLintNameResult::Tool(Ok(slice::from_ref(id))), + Some(Id(id)) => return CheckLintNameResult::Tool(slice::from_ref(id), None), // If the lint was registered as removed or renamed by the lint tool, we don't need // to treat tool_lints and rustc lints different and can use the code below. _ => {} @@ -412,7 +416,7 @@ impl LintStore { return if *silent { CheckLintNameResult::Ok(lint_ids) } else { - CheckLintNameResult::Tool(Err((Some(lint_ids), (*name).to_string()))) + CheckLintNameResult::Tool(lint_ids, Some((*name).to_string())) }; } CheckLintNameResult::Ok(lint_ids) @@ -473,18 +477,17 @@ impl LintStore { // Reaching this would be weird, but let's cover this case anyway if let Some(LintAlias { name, silent }) = depr { let LintGroup { lint_ids, .. } = self.lint_groups.get(name).unwrap(); - return if *silent { - CheckLintNameResult::Tool(Err((Some(lint_ids), complete_name))) + if *silent { + CheckLintNameResult::Tool(lint_ids, Some(complete_name)) } else { - CheckLintNameResult::Tool(Err((Some(lint_ids), (*name).to_string()))) - }; + CheckLintNameResult::Tool(lint_ids, Some((*name).to_string())) + } + } else { + CheckLintNameResult::Tool(lint_ids, Some(complete_name)) } - CheckLintNameResult::Tool(Err((Some(lint_ids), complete_name))) } }, - Some(Id(id)) => { - CheckLintNameResult::Tool(Err((Some(slice::from_ref(id)), complete_name))) - } + Some(Id(id)) => CheckLintNameResult::Tool(slice::from_ref(id), Some(complete_name)), Some(other) => { debug!("got renamed lint {:?}", other); CheckLintNameResult::NoLint(None) diff --git a/compiler/rustc_lint/src/levels.rs b/compiler/rustc_lint/src/levels.rs index fea59b5193ce..1317af50a4a8 100644 --- a/compiler/rustc_lint/src/levels.rs +++ b/compiler/rustc_lint/src/levels.rs @@ -593,7 +593,7 @@ impl<'s, P: LintLevelsProvider> LintLevelsBuilder<'s, P> { let lint = UnknownLintFromCommandLine { name, suggestion, requested_level }; self.emit_lint(UNKNOWN_LINTS, lint); } - CheckLintNameResult::Tool(Err((Some(_), ref replace))) => { + CheckLintNameResult::Tool(_, Some(ref replace)) => { let name = lint_name.clone(); let requested_level = RequestedLevel { level, lint_name }; let lint = DeprecatedLintNameFromCommandLine { name, replace, requested_level }; @@ -902,32 +902,20 @@ impl<'s, P: LintLevelsProvider> LintLevelsBuilder<'s, P> { } } - CheckLintNameResult::Tool(result) => { - match *result { - Ok(ids) => { + CheckLintNameResult::Tool(ids, new_lint_name) => { + let src = match new_lint_name { + None => { let complete_name = &format!("{}::{}", tool_ident.unwrap().name, name); - let src = LintLevelSource::Node { + LintLevelSource::Node { name: Symbol::intern(complete_name), span: sp, reason, - }; - for &id in ids { - if self.check_gated_lint(id, attr.span, false) { - self.insert_spec(id, (level, src)); - } - } - if let Level::Expect(expect_id) = level { - self.provider.push_expectation( - expect_id, - LintExpectation::new(reason, sp, false, tool_name), - ); } } - Err((Some(ids), ref new_lint_name)) => { - let lint = builtin::RENAMED_AND_REMOVED_LINTS; + Some(new_lint_name) => { self.emit_span_lint( - lint, + builtin::RENAMED_AND_REMOVED_LINTS, sp.into(), DeprecatedLintName { name, @@ -935,29 +923,31 @@ impl<'s, P: LintLevelsProvider> LintLevelsBuilder<'s, P> { replace: new_lint_name, }, ); - - let src = LintLevelSource::Node { + LintLevelSource::Node { name: Symbol::intern(new_lint_name), span: sp, reason, - }; - for id in ids { - self.insert_spec(*id, (level, src)); - } - if let Level::Expect(expect_id) = level { - self.provider.push_expectation( - expect_id, - LintExpectation::new(reason, sp, false, tool_name), - ); } } - Err((None, _)) => { - // If Tool(Err(None, _)) is returned, then either the lint does not - // exist in the tool or the code was not compiled with the tool and - // therefore the lint was never added to the `LintStore`. To detect - // this is the responsibility of the lint tool. + }; + for &id in *ids { + if self.check_gated_lint(id, attr.span, false) { + self.insert_spec(id, (level, src)); } } + if let Level::Expect(expect_id) = level { + self.provider.push_expectation( + expect_id, + LintExpectation::new(reason, sp, false, tool_name), + ); + } + } + + CheckLintNameResult::MissingTool => { + // If `MissingTool` is returned, then either the lint does not + // exist in the tool or the code was not compiled with the tool and + // therefore the lint was never added to the `LintStore`. To detect + // this is the responsibility of the lint tool. } &CheckLintNameResult::NoTool => { From b320ac749193d87b8705c5baaa75ba7b9433448f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Le=C3=B3n=20Orell=20Valerian=20Liehr?= Date: Mon, 3 Jun 2024 03:50:15 +0200 Subject: [PATCH 0872/1716] Add a regression test for a former blanket impl synthesis ICE --- tests/rustdoc-ui/ice-blanket-impl-119792.rs | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 tests/rustdoc-ui/ice-blanket-impl-119792.rs diff --git a/tests/rustdoc-ui/ice-blanket-impl-119792.rs b/tests/rustdoc-ui/ice-blanket-impl-119792.rs new file mode 100644 index 000000000000..90f0ea8469b9 --- /dev/null +++ b/tests/rustdoc-ui/ice-blanket-impl-119792.rs @@ -0,0 +1,19 @@ +//@ check-pass +// https://github.com/rust-lang/rust/issues/119792 + +struct Wrapper(T); + +trait Div {} +trait Mul { + type Output; +} + +impl Mul for Wrapper { + type Output = (); +} + +impl Div for Wrapper {} + +pub trait NumOps {} + +impl NumOps for T where T: Mul + Div {} From 6e120cf4642bbc1ee1021cf83d0dc013392f47e5 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Tue, 21 May 2024 15:52:00 -0400 Subject: [PATCH 0873/1716] Remove some allowed-makefiles --- src/tools/run-make-support/src/run.rs | 4 +- .../tidy/src/allowed_run_make_makefiles.txt | 3 - tests/run-make/bare-outfile/rmake.rs | 8 +- tests/run-make/emit/rmake.rs | 8 +- tests/run-make/mixing-formats/rmake.rs | 133 +++++++++--------- 5 files changed, 80 insertions(+), 76 deletions(-) diff --git a/src/tools/run-make-support/src/run.rs b/src/tools/run-make-support/src/run.rs index 9aad91f1b463..da4f265efc3b 100644 --- a/src/tools/run-make-support/src/run.rs +++ b/src/tools/run-make-support/src/run.rs @@ -4,12 +4,12 @@ use std::process::{Command, Output}; use crate::is_windows; -use super::{bin_name, handle_failed_output}; +use super::handle_failed_output; fn run_common(name: &str) -> (Command, Output) { let mut bin_path = PathBuf::new(); bin_path.push(env::var("TMPDIR").unwrap()); - bin_path.push(&bin_name(name)); + bin_path.push(name); let ld_lib_path_envvar = env::var("LD_LIB_PATH_ENVVAR").unwrap(); let mut cmd = Command::new(bin_path); cmd.env(&ld_lib_path_envvar, { diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 009200aca15d..06a99725315b 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -2,7 +2,6 @@ run-make/allocator-shim-circular-deps/Makefile run-make/allow-non-lint-warnings-cmdline/Makefile run-make/archive-duplicate-names/Makefile run-make/atomic-lock-free/Makefile -run-make/bare-outfile/Makefile run-make/branch-protection-check-IBT/Makefile run-make/c-dynamic-dylib/Makefile run-make/c-dynamic-rlib/Makefile @@ -43,7 +42,6 @@ run-make/emit-path-unhashed/Makefile run-make/emit-shared-files/Makefile run-make/emit-stack-sizes/Makefile run-make/emit-to-stdout/Makefile -run-make/emit/Makefile run-make/env-dep-info/Makefile run-make/error-found-staticlib-instead-crate/Makefile run-make/error-writing-dependencies/Makefile @@ -150,7 +148,6 @@ run-make/min-global-align/Makefile run-make/mingw-export-call-convention/Makefile run-make/mismatching-target-triples/Makefile run-make/missing-crate-dependency/Makefile -run-make/mixing-formats/Makefile run-make/mixing-libs/Makefile run-make/msvc-opt-minsize/Makefile run-make/multiple-emits/Makefile diff --git a/tests/run-make/bare-outfile/rmake.rs b/tests/run-make/bare-outfile/rmake.rs index c2b6347f9689..82d0fab5073b 100644 --- a/tests/run-make/bare-outfile/rmake.rs +++ b/tests/run-make/bare-outfile/rmake.rs @@ -4,12 +4,12 @@ //@ ignore-cross-compile use run_make_support::{run, rustc, tmp_dir}; -use std::fs; use std::env; +use std::fs; -fn main(){ - fs::copy("foo.rs", tmp_dir()).unwrap(); +fn main() { + fs::copy("foo.rs", tmp_dir().join("foo.rs")).unwrap(); env::set_current_dir(tmp_dir()); - rustc().output("foo").input("foo.rs"); + rustc().output("foo").input("foo.rs").run(); run("foo"); } diff --git a/tests/run-make/emit/rmake.rs b/tests/run-make/emit/rmake.rs index d3ccc7fdc27a..8b3ddb66f923 100644 --- a/tests/run-make/emit/rmake.rs +++ b/tests/run-make/emit/rmake.rs @@ -1,6 +1,6 @@ // A bug from 2015 would cause errors when emitting multiple types of files -// in the same rustc call. A fix was created in #30452. This test checks that -// the fix did not accidentally break compilation. +// in the same rustc call. A fix was created in #30452. This test checks that rustc still compiles +// a source file successfully when emission of multiple output artifacts are requested. // See https://github.com/rust-lang/rust/pull/30452 //@ ignore-cross-compile @@ -10,10 +10,10 @@ use run_make_support::{run, rustc}; fn main() { let opt_levels = ["0", "1", "2", "3", "s", "z"]; for level in opt_levels { - rustc().opt_level(level).emit("llvm-bc,llvm-ir,asm,obj,link").input("test-24876.rs"); + rustc().opt_level(level).emit("llvm-bc,llvm-ir,asm,obj,link").input("test-24876.rs").run(); } for level in opt_levels { - rustc().opt_level(level).emit("llvm-bc,llvm-ir,asm,obj,link").input("test-26235.rs"); + rustc().opt_level(level).emit("llvm-bc,llvm-ir,asm,obj,link").input("test-26235.rs").run(); run("test-26235"); } } diff --git a/tests/run-make/mixing-formats/rmake.rs b/tests/run-make/mixing-formats/rmake.rs index c80951a15975..0d40b0325f77 100644 --- a/tests/run-make/mixing-formats/rmake.rs +++ b/tests/run-make/mixing-formats/rmake.rs @@ -15,70 +15,77 @@ use run_make_support::{rustc, tmp_dir}; use std::fs; +fn test_with_teardown(rustc_calls: impl Fn()) { + rustc_calls(); + //FIXME(Oneirical): This should be replaced with the run-make-support fs wrappers. + fs::remove_dir_all(tmp_dir()).unwrap(); + fs::create_dir(tmp_dir()).unwrap(); +} + fn main() { - // Building just baz - rustc().crate_type("rlib").input("foo.rs").run(); - rustc().crate_type("dylib").input("bar1.rs").arg("-Cprefer-dynamic").run(); - rustc().crate_type("dylib,rlib").input("baz.rs").arg("-Cprefer-dynamic").run(); - rustc().crate_type("bin").input("baz.rs").run(); - fs::remove_dir_all(tmp_dir()).unwrap(); - fs::create_dir(tmp_dir()).unwrap(); - rustc().crate_type("dylib").input("foo.rs").arg("-Cprefer-dynamic").run(); - rustc().crate_type("rlib").input("bar1.rs").run(); - rustc().crate_type("dylib,rlib").input("baz.rs").arg("-Cprefer-dynamic").run(); - rustc().crate_type("bin").input("baz.rs").run(); - fs::remove_dir_all(tmp_dir()).unwrap(); - fs::create_dir(tmp_dir()).unwrap(); - // Building baz2 - rustc().crate_type("rlib").input("foo.rs").run(); - rustc().crate_type("dylib").input("bar1.rs").arg("-Cprefer-dynamic").run(); - rustc().crate_type("dylib").input("bar2.rs").arg("-Cprefer-dynamic").run(); - rustc().crate_type("dylib").input("baz2.rs").run_fail_assert_exit_code(1); - rustc().crate_type("bin").input("baz2.rs").run_fail_assert_exit_code(1); - fs::remove_dir_all(tmp_dir()).unwrap(); - fs::create_dir(tmp_dir()).unwrap(); - rustc().crate_type("rlib").input("foo.rs").run(); - rustc().crate_type("rlib").input("bar1.rs").run(); - rustc().crate_type("dylib").input("bar2.rs").arg("-Cprefer-dynamic").run(); - rustc().crate_type("dylib,rlib").input("baz2.rs").run(); - rustc().crate_type("bin").input("baz2.rs").run; - fs::remove_dir_all(tmp_dir()).unwrap(); - fs::create_dir(tmp_dir()).unwrap(); - rustc().crate_type("rlib").input("foo.rs").run(); - rustc().crate_type("dylib").input("bar1.rs").arg("-Cprefer-dynamic").run(); - rustc().crate_type("rlib").input("bar2.rs").run(); - rustc().crate_type("dylib,rlib").input("baz2.rs").arg("-Cprefer-dynamic").run(); - rustc().crate_type("bin").input("baz2.rs").run(); - fs::remove_dir_all(tmp_dir()).unwrap(); - fs::create_dir(tmp_dir()).unwrap(); - rustc().crate_type("rlib").input("foo.rs").run(); - rustc().crate_type("rlib").input("bar1.rs").run(); - rustc().crate_type("rlib").input("bar2.rs").run(); - rustc().crate_type("dylib,rlib").input("baz2.rs").arg("-Cprefer-dynamic").run(); - rustc().crate_type("bin").input("baz2.rs").run(); - fs::remove_dir_all(tmp_dir()).unwrap(); - fs::create_dir(tmp_dir()).unwrap(); - rustc().crate_type("dylib").input("foo.rs").arg("-Cprefer-dynamic").run(); - rustc().crate_type("rlib").input("bar1.rs").run(); - rustc().crate_type("rlib").input("bar2.rs").run(); - rustc().crate_type("dylib,rlib").input("baz2.rs").arg("-Cprefer-dynamic").run(); - rustc().crate_type("bin").input("baz2.rs").run(); - fs::remove_dir_all(tmp_dir()).unwrap(); - fs::create_dir(tmp_dir()).unwrap(); - rustc().crate_type("dylib").input("foo.rs").arg("-Cprefer-dynamic").run(); - rustc().crate_type("dylib").input("bar1.rs").arg("-Cprefer-dynamic").run(); - rustc().crate_type("rlib").input("bar2.rs").run(); - rustc().crate_type("dylib,rlib").input("baz2.rs").run(); - rustc().crate_type("bin").input("baz2.rs").run(); - fs::remove_dir_all(tmp_dir()).unwrap(); - fs::create_dir(tmp_dir()).unwrap(); - rustc().crate_type("dylib").input("foo.rs").arg("-Cprefer-dynamic").run(); - rustc().crate_type("rlib").input("bar1.rs").run(); - rustc().crate_type("dylib").input("bar2.rs").arg("-Cprefer-dynamic").run(); - rustc().crate_type("dylib,rlib").input("baz2.rs").run(); - rustc().crate_type("bin").input("baz2.rs").run(); - fs::remove_dir_all(tmp_dir()).unwrap(); - fs::create_dir(tmp_dir()).unwrap(); + test_with_teardown(|| { + // Building just baz + rustc().crate_type("rlib").input("foo.rs").run(); + rustc().crate_type("dylib").input("bar1.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("dylib,rlib").input("baz.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("bin").input("baz.rs").run(); + }); + test_with_teardown(|| { + rustc().crate_type("dylib").input("foo.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("rlib").input("bar1.rs").run(); + rustc().crate_type("dylib,rlib").input("baz.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("bin").input("baz.rs").run(); + }); + test_with_teardown(|| { + // Building baz2 + rustc().crate_type("rlib").input("foo.rs").run(); + rustc().crate_type("dylib").input("bar1.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("dylib").input("bar2.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("dylib").input("baz2.rs").run_fail_assert_exit_code(1); + rustc().crate_type("bin").input("baz2.rs").run_fail_assert_exit_code(1); + }); + test_with_teardown(|| { + rustc().crate_type("rlib").input("foo.rs").run(); + rustc().crate_type("rlib").input("bar1.rs").run(); + rustc().crate_type("dylib").input("bar2.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("dylib,rlib").input("baz2.rs").run(); + rustc().crate_type("bin").input("baz2.rs").run(); + }); + test_with_teardown(|| { + rustc().crate_type("rlib").input("foo.rs").run(); + rustc().crate_type("dylib").input("bar1.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("rlib").input("bar2.rs").run(); + rustc().crate_type("dylib,rlib").input("baz2.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("bin").input("baz2.rs").run(); + }); + test_with_teardown(|| { + rustc().crate_type("rlib").input("foo.rs").run(); + rustc().crate_type("rlib").input("bar1.rs").run(); + rustc().crate_type("rlib").input("bar2.rs").run(); + rustc().crate_type("dylib,rlib").input("baz2.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("bin").input("baz2.rs").run(); + }); + test_with_teardown(|| { + rustc().crate_type("dylib").input("foo.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("rlib").input("bar1.rs").run(); + rustc().crate_type("rlib").input("bar2.rs").run(); + rustc().crate_type("dylib,rlib").input("baz2.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("bin").input("baz2.rs").run(); + }); + test_with_teardown(|| { + rustc().crate_type("dylib").input("foo.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("dylib").input("bar1.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("rlib").input("bar2.rs").run(); + rustc().crate_type("dylib,rlib").input("baz2.rs").run(); + rustc().crate_type("bin").input("baz2.rs").run(); + }); + test_with_teardown(|| { + rustc().crate_type("dylib").input("foo.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("rlib").input("bar1.rs").run(); + rustc().crate_type("dylib").input("bar2.rs").arg("-Cprefer-dynamic").run(); + rustc().crate_type("dylib,rlib").input("baz2.rs").run(); + rustc().crate_type("bin").input("baz2.rs").run(); + }); rustc().crate_type("dylib").input("foo.rs").arg("-Cprefer-dynamic").run(); rustc().crate_type("dylib").input("bar1.rs").arg("-Cprefer-dynamic").run(); rustc().crate_type("dylib").input("bar2.rs").arg("-Cprefer-dynamic").run(); From 9987363b7e1940273dd34e9fa63e33e03244c9c5 Mon Sep 17 00:00:00 2001 From: Jubilee Young Date: Sun, 2 Jun 2024 14:09:14 -0700 Subject: [PATCH 0874/1716] Test codegen for repr(packed,simd) -> repr(simd) --- tests/codegen/simd/packed-simd.rs | 44 +++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 tests/codegen/simd/packed-simd.rs diff --git a/tests/codegen/simd/packed-simd.rs b/tests/codegen/simd/packed-simd.rs new file mode 100644 index 000000000000..f0911b6e3602 --- /dev/null +++ b/tests/codegen/simd/packed-simd.rs @@ -0,0 +1,44 @@ +//@ revisions:opt3 noopt +//@[opt3] compile-flags: -Copt-level=3 +//@[noopt] compile-flags: -Cno-prepopulate-passes + +#![crate_type = "lib"] +#![no_std] +#![feature(repr_simd, core_intrinsics)] +use core::intrinsics::simd as intrinsics; +use core::{mem, ptr}; + +// Test codegen for not only "packed" but also "fully aligned" SIMD types, and conversion between +// A repr(packed,simd) type with 3 elements can't exceed its element alignment, +// whereas the same type as repr(simd) will instead have padding. + +#[repr(simd, packed)] +pub struct Simd([T; N]); + +#[repr(simd)] +#[derive(Copy, Clone)] +pub struct FullSimd([T; N]); + +// non-powers-of-two have padding and need to be expanded to full vectors +fn load(v: Simd) -> FullSimd { + unsafe { + let mut tmp = mem::MaybeUninit::>::uninit(); + ptr::copy_nonoverlapping(&v as *const _, tmp.as_mut_ptr().cast(), 1); + tmp.assume_init() + } +} + +// CHECK-LABEL: square_packed +// CHECK-SAME: ptr{{[a-z_ ]*}} sret([[RET_TYPE:[^)]+]]) [[RET_ALIGN:align (8|16)]]{{[^%]*}} [[RET_VREG:%[_0-9]*]] +// CHECK-SAME: ptr{{[a-z_ ]*}} align 4 +#[no_mangle] +pub fn square_packed(x: Simd) -> FullSimd { + // CHECK-NEXT: start + // noopt: alloca [[RET_TYPE]], [[RET_ALIGN]] + // CHECK: load <3 x float> + let x = load(x); + // CHECK: [[VREG:%[a-z0-9_]+]] = fmul <3 x float> + // CHECK-NEXT: store <3 x float> [[VREG]], ptr [[RET_VREG]], [[RET_ALIGN]] + // CHECK-NEXT: ret void + unsafe { intrinsics::simd_mul(x, x) } +} From ac242996366cd0d1ec48ff76638320969c65bed3 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Mon, 3 Jun 2024 10:19:57 +1000 Subject: [PATCH 0875/1716] Reformat `mir!` macro invocations to use braces. The `mir!` macro has multiple parts: - An optional return type annotation. - A sequence of zero or more local declarations. - A mandatory starting anonymous basic block, which is brace-delimited. - A sequence of zero of more additional named basic blocks. Some `mir!` invocations use braces with a "block" style, like so: ``` mir! { let _unit: (); { let non_copy = S(42); let ptr = std::ptr::addr_of_mut!(non_copy); // Inside `callee`, the first argument and `*ptr` are basically // aliasing places! Call(_unit = callee(Move(*ptr), ptr), ReturnTo(after_call), UnwindContinue()) } after_call = { Return() } } ``` Some invocations use parens with a "block" style, like so: ``` mir!( let x: [i32; 2]; let one: i32; { x = [42, 43]; one = 1; x = [one, 2]; RET = Move(x); Return() } ) ``` And some invocations uses parens with a "tighter" style, like so: ``` mir!({ SetDiscriminant(*b, 0); Return() }) ``` This last style is generally used for cases where just the mandatory starting basic block is present. Its braces are placed next to the parens. This commit changes all `mir!` invocations to use braces with a "block" style. Why? - Consistency is good. - The contents of the invocation is a block of code, so it's odd to use parens. They are more normally used for function-like macros. - Most importantly, the next commit will enable rustfmt for `tests/mir-opt/`. rustfmt is more aggressive about formatting macros that use parens than macros that use braces. Without this commit's changes, rustfmt would break a couple of `mir!` macro invocations that use braces within `tests/mir-opt` by inserting an extraneous comma. E.g.: ``` mir!(type RET = (i32, bool);, { // extraneous comma after ';' RET.0 = 1; RET.1 = true; Return() }) ``` Switching those `mir!` invocations to use braces avoids that problem, resulting in this, which is nicer to read as well as being valid syntax: ``` mir! { type RET = (i32, bool); { RET.0 = 1; RET.1 = true; Return() } } ``` --- .../src/elaborate_drops.rs | 4 +- library/core/src/intrinsics/mir.rs | 58 +++++++++-------- .../ptr_metadata_uninit_slice_data.rs | 10 +-- .../ptr_metadata_uninit_slice_data.stderr | 4 +- .../ptr_metadata_uninit_slice_len.rs | 10 +-- .../ptr_metadata_uninit_slice_len.stderr | 4 +- .../intrinsics/ptr_metadata_uninit_thin.rs | 10 +-- .../ptr_metadata_uninit_thin.stderr | 4 +- .../building/custom/aggregate_exprs.rs | 12 ++-- .../mir-opt/building/custom/arbitrary_let.rs | 4 +- tests/mir-opt/building/custom/arrays.rs | 14 +++-- tests/mir-opt/building/custom/as_cast.rs | 12 ++-- tests/mir-opt/building/custom/assume.rs | 12 ++-- .../building/custom/composite_return.rs | 4 +- tests/mir-opt/building/custom/consts.rs | 30 +++++---- tests/mir-opt/building/custom/debuginfo.rs | 20 +++--- tests/mir-opt/building/custom/enums.rs | 34 +++++----- tests/mir-opt/building/custom/operators.rs | 60 +++++++++--------- tests/mir-opt/building/custom/projections.rs | 62 +++++++++++-------- tests/mir-opt/building/custom/references.rs | 30 ++++----- .../mir-opt/building/custom/simple_assign.rs | 16 ++--- tests/mir-opt/building/custom/terminators.rs | 25 +++----- .../mir-opt/building/custom/unwind_action.rs | 16 ++--- .../building/custom/unwind_terminate.rs | 8 +-- tests/mir-opt/copy-prop/borrowed_local.rs | 12 ++-- tests/mir-opt/copy-prop/custom_move_arg.rs | 22 ++++--- tests/mir-opt/copy-prop/move_projection.rs | 4 +- .../copy-prop/mutate_through_pointer.rs | 18 +++--- tests/mir-opt/copy-prop/non_dominate.rs | 24 +++++-- tests/mir-opt/dataflow-const-prop/enum.rs | 4 +- .../dead-store-elimination/call_arg_copy.rs | 4 +- tests/mir-opt/dead-store-elimination/cycle.rs | 4 +- tests/mir-opt/gvn.rs | 24 +++---- .../instsimplify/duplicate_switch_targets.rs | 4 +- tests/mir-opt/jump_threading.rs | 24 +++---- tests/mir-opt/matches_reduce_branches.rs | 8 +-- tests/mir-opt/nrvo_miscompile_111005.rs | 14 +++-- tests/mir-opt/reference_prop.rs | 16 ++--- tests/mir-opt/set_no_discriminant.rs | 8 +-- tests/mir-opt/simplify_dead_blocks.rs | 4 +- tests/mir-opt/switch_to_self.rs | 4 +- tests/ui/mir/lint/assignment-overlap.rs | 4 +- tests/ui/mir/lint/call-overlap.rs | 4 +- tests/ui/mir/lint/no-storage.rs | 4 +- tests/ui/mir/lint/storage-live.rs | 4 +- tests/ui/mir/lint/storage-return.rs | 4 +- tests/ui/mir/mir_codegen_ssa.rs | 4 +- tests/ui/mir/ssa_call_ret.rs | 4 +- tests/ui/mir/validate/critical-edge.rs | 4 +- tests/ui/mir/validate/noncleanup-cleanup.rs | 5 +- tests/ui/mir/validate/noncleanup-resume.rs | 4 +- tests/ui/mir/validate/noncleanup-terminate.rs | 4 +- 52 files changed, 379 insertions(+), 327 deletions(-) diff --git a/compiler/rustc_mir_transform/src/elaborate_drops.rs b/compiler/rustc_mir_transform/src/elaborate_drops.rs index 03d952abad11..665b2260294a 100644 --- a/compiler/rustc_mir_transform/src/elaborate_drops.rs +++ b/compiler/rustc_mir_transform/src/elaborate_drops.rs @@ -34,14 +34,14 @@ use std::fmt; /// /// ```text // fn drop_term(t: &mut T) { -// mir!( +// mir! { // { // Drop(*t, exit) // } // exit = { // Return() // } -// ) +// } // } /// ``` pub struct ElaborateDrops; diff --git a/library/core/src/intrinsics/mir.rs b/library/core/src/intrinsics/mir.rs index fa5bb28adff9..ec8488009b96 100644 --- a/library/core/src/intrinsics/mir.rs +++ b/library/core/src/intrinsics/mir.rs @@ -20,7 +20,7 @@ //! //! #[custom_mir(dialect = "built")] //! pub fn simple(x: i32) -> i32 { -//! mir!( +//! mir! { //! let temp2: i32; //! //! { @@ -33,7 +33,7 @@ //! RET = temp2; //! Return() //! } -//! ) +//! } //! } //! ``` //! @@ -71,7 +71,7 @@ //! //! #[custom_mir(dialect = "built")] //! pub fn choose_load(a: &i32, b: &i32, c: bool) -> i32 { -//! mir!( +//! mir! { //! { //! match c { //! true => t, @@ -93,20 +93,22 @@ //! RET = *temp; //! Return() //! } -//! ) +//! } //! } //! //! #[custom_mir(dialect = "built")] //! fn unwrap_unchecked(opt: Option) -> T { -//! mir!({ -//! RET = Move(Field(Variant(opt, 1), 0)); -//! Return() -//! }) +//! mir! { +//! { +//! RET = Move(Field(Variant(opt, 1), 0)); +//! Return() +//! } +//! } //! } //! //! #[custom_mir(dialect = "runtime", phase = "optimized")] //! fn push_and_pop(v: &mut Vec, value: T) { -//! mir!( +//! mir! { //! let _unused; //! let popped; //! @@ -125,19 +127,19 @@ //! ret = { //! Return() //! } -//! ) +//! } //! } //! //! #[custom_mir(dialect = "runtime", phase = "optimized")] //! fn annotated_return_type() -> (i32, bool) { -//! mir!( +//! mir! { //! type RET = (i32, bool); //! { //! RET.0 = 1; //! RET.1 = true; //! Return() //! } -//! ) +//! } //! } //! ``` //! @@ -152,7 +154,7 @@ //! //! #[custom_mir(dialect = "built")] //! fn borrow_error(should_init: bool) -> i32 { -//! mir!( +//! mir! { //! let temp: i32; //! //! { @@ -171,7 +173,7 @@ //! RET = temp; //! Return() //! } -//! ) +//! } //! } //! ``` //! @@ -179,7 +181,7 @@ //! error[E0381]: used binding is possibly-uninitialized //! --> test.rs:24:13 //! | -//! 8 | / mir!( +//! 8 | / mir! { //! 9 | | let temp: i32; //! 10 | | //! 11 | | { @@ -191,7 +193,7 @@ //! | | ^^^^^^^^^^ value used here but it is possibly-uninitialized //! 25 | | Return() //! 26 | | } -//! 27 | | ) +//! 27 | | } //! | |_____- binding declared here but left uninitialized //! //! error: aborting due to 1 previous error @@ -407,18 +409,22 @@ define!( /// /// #[custom_mir(dialect = "built")] /// fn unwrap_deref(opt: Option<&i32>) -> i32 { - /// mir!({ - /// RET = *Field::<&i32>(Variant(opt, 1), 0); - /// Return() - /// }) + /// mir! { + /// { + /// RET = *Field::<&i32>(Variant(opt, 1), 0); + /// Return() + /// } + /// } /// } /// /// #[custom_mir(dialect = "built")] /// fn set(opt: &mut Option) { - /// mir!({ - /// place!(Field(Variant(*opt, 1), 0)) = 5; - /// Return() - /// }) + /// mir! { + /// { + /// place!(Field(Variant(*opt, 1), 0)) = 5; + /// Return() + /// } + /// } /// } /// ``` fn Field(place: (), field: u32) -> F @@ -455,7 +461,7 @@ define!( /// your MIR into something that is easier to parse in the compiler. #[rustc_macro_transparency = "transparent"] pub macro mir { - ( + { $(type RET = $ret_ty:ty ;)? $(let $local_decl:ident $(: $local_decl_ty:ty)? ;)* $(debug $dbg_name:ident => $dbg_data:expr ;)* @@ -469,7 +475,7 @@ pub macro mir { $($block:tt)* } )* - ) => {{ + } => {{ // First, we declare all basic blocks. __internal_declare_basic_blocks!($( $block_name $(($block_cleanup))? diff --git a/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_data.rs b/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_data.rs index ff23f1e729e8..0c305eed6e18 100644 --- a/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_data.rs +++ b/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_data.rs @@ -7,10 +7,12 @@ use std::intrinsics::mir::*; #[custom_mir(dialect = "runtime")] pub unsafe fn deref_meta(p: *const *const [i32]) -> usize { - mir!({ - RET = PtrMetadata(*p); //~ ERROR: Undefined Behavior: using uninitialized data - Return() - }) + mir! { + { + RET = PtrMetadata(*p); //~ ERROR: Undefined Behavior: using uninitialized data + Return() + } + } } fn main() { diff --git a/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_data.stderr b/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_data.stderr index 61e1541d1ee4..6478dcc2507f 100644 --- a/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_data.stderr +++ b/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_data.stderr @@ -1,8 +1,8 @@ error: Undefined Behavior: using uninitialized data, but this operation requires initialized memory --> $DIR/ptr_metadata_uninit_slice_data.rs:LL:CC | -LL | RET = PtrMetadata(*p); - | ^^^^^^^^^^^^^^^^^^^^^ using uninitialized data, but this operation requires initialized memory +LL | RET = PtrMetadata(*p); + | ^^^^^^^^^^^^^^^^^^^^^ using uninitialized data, but this operation requires initialized memory | = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information diff --git a/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_len.rs b/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_len.rs index 65f74c0acdd6..a2ffdc92c4e2 100644 --- a/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_len.rs +++ b/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_len.rs @@ -7,10 +7,12 @@ use std::intrinsics::mir::*; #[custom_mir(dialect = "runtime")] pub unsafe fn deref_meta(p: *const *const [i32]) -> usize { - mir!({ - RET = PtrMetadata(*p); //~ ERROR: Undefined Behavior: using uninitialized data - Return() - }) + mir! { + { + RET = PtrMetadata(*p); //~ ERROR: Undefined Behavior: using uninitialized data + Return() + } + } } fn main() { diff --git a/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_len.stderr b/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_len.stderr index de559263a326..4e2e72184323 100644 --- a/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_len.stderr +++ b/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_len.stderr @@ -16,8 +16,8 @@ LL | (*p.as_mut_ptr().cast::<[*const i32; 2]>())[0] = 4 as *const i32; error: Undefined Behavior: using uninitialized data, but this operation requires initialized memory --> $DIR/ptr_metadata_uninit_slice_len.rs:LL:CC | -LL | RET = PtrMetadata(*p); - | ^^^^^^^^^^^^^^^^^^^^^ using uninitialized data, but this operation requires initialized memory +LL | RET = PtrMetadata(*p); + | ^^^^^^^^^^^^^^^^^^^^^ using uninitialized data, but this operation requires initialized memory | = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information diff --git a/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_thin.rs b/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_thin.rs index ad2e9fc800eb..e5a51289a8ae 100644 --- a/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_thin.rs +++ b/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_thin.rs @@ -7,10 +7,12 @@ use std::intrinsics::mir::*; #[custom_mir(dialect = "runtime")] pub unsafe fn deref_meta(p: *const *const i32) -> () { - mir!({ - RET = PtrMetadata(*p); //~ ERROR: Undefined Behavior: using uninitialized data - Return() - }) + mir! { + { + RET = PtrMetadata(*p); //~ ERROR: Undefined Behavior: using uninitialized data + Return() + } + } } fn main() { diff --git a/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_thin.stderr b/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_thin.stderr index 3ab2643afa72..0e218de0eeb5 100644 --- a/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_thin.stderr +++ b/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_thin.stderr @@ -1,8 +1,8 @@ error: Undefined Behavior: using uninitialized data, but this operation requires initialized memory --> $DIR/ptr_metadata_uninit_thin.rs:LL:CC | -LL | RET = PtrMetadata(*p); - | ^^^^^^^^^^^^^^^^^^^^^ using uninitialized data, but this operation requires initialized memory +LL | RET = PtrMetadata(*p); + | ^^^^^^^^^^^^^^^^^^^^^ using uninitialized data, but this operation requires initialized memory | = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information diff --git a/tests/mir-opt/building/custom/aggregate_exprs.rs b/tests/mir-opt/building/custom/aggregate_exprs.rs index d581886247ff..8985f106817b 100644 --- a/tests/mir-opt/building/custom/aggregate_exprs.rs +++ b/tests/mir-opt/building/custom/aggregate_exprs.rs @@ -7,18 +7,18 @@ use core::intrinsics::mir::*; // EMIT_MIR aggregate_exprs.tuple.built.after.mir #[custom_mir(dialect = "built")] fn tuple() -> (i32, bool) { - mir!( + mir! { { RET = (1, true); Return() } - ) + } } // EMIT_MIR aggregate_exprs.array.built.after.mir #[custom_mir(dialect = "built")] fn array() -> [i32; 2] { - mir!( + mir! { let x: [i32; 2]; let one: i32; { @@ -28,7 +28,7 @@ fn array() -> [i32; 2] { RET = Move(x); Return() } - ) + } } struct Foo { @@ -48,7 +48,7 @@ union Onion { // EMIT_MIR aggregate_exprs.adt.built.after.mir #[custom_mir(dialect = "built")] fn adt() -> Onion { - mir!( + mir! { let one: i32; let x: Foo; let y: Bar; @@ -62,7 +62,7 @@ fn adt() -> Onion { RET = Onion { neon: Field(Variant(y, 0), 1) }; Return() } - ) + } } fn main() { diff --git a/tests/mir-opt/building/custom/arbitrary_let.rs b/tests/mir-opt/building/custom/arbitrary_let.rs index f8ee8504e322..3f251cd81bce 100644 --- a/tests/mir-opt/building/custom/arbitrary_let.rs +++ b/tests/mir-opt/building/custom/arbitrary_let.rs @@ -8,7 +8,7 @@ use core::ptr::{addr_of, addr_of_mut}; // EMIT_MIR arbitrary_let.arbitrary_let.built.after.mir #[custom_mir(dialect = "built")] fn arbitrary_let(x: i32) -> i32 { - mir!( + mir! { { let y = x; Goto(second) @@ -21,7 +21,7 @@ fn arbitrary_let(x: i32) -> i32 { let z = y; Goto(third) } - ) + } } fn main() { diff --git a/tests/mir-opt/building/custom/arrays.rs b/tests/mir-opt/building/custom/arrays.rs index e9a53b7aacb7..4bd6f93e1134 100644 --- a/tests/mir-opt/building/custom/arrays.rs +++ b/tests/mir-opt/building/custom/arrays.rs @@ -7,12 +7,14 @@ use core::intrinsics::mir::*; // EMIT_MIR arrays.arrays.built.after.mir #[custom_mir(dialect = "built")] fn arrays() -> usize { - mir!({ - let x = [5_i32; C]; - let c = Len(x); - RET = c; - Return() - }) + mir! { + { + let x = [5_i32; C]; + let c = Len(x); + RET = c; + Return() + } + } } fn main() { diff --git a/tests/mir-opt/building/custom/as_cast.rs b/tests/mir-opt/building/custom/as_cast.rs index 92aea64db07f..908d378771d5 100644 --- a/tests/mir-opt/building/custom/as_cast.rs +++ b/tests/mir-opt/building/custom/as_cast.rs @@ -7,34 +7,34 @@ use core::intrinsics::mir::*; // EMIT_MIR as_cast.int_to_int.built.after.mir #[custom_mir(dialect = "built")] fn int_to_int(x: u32) -> i32 { - mir!( + mir! { { RET = x as i32; Return() } - ) + } } // EMIT_MIR as_cast.float_to_int.built.after.mir #[custom_mir(dialect = "built")] fn float_to_int(x: f32) -> i32 { - mir!( + mir! { { RET = x as i32; Return() } - ) + } } // EMIT_MIR as_cast.int_to_ptr.built.after.mir #[custom_mir(dialect = "built")] fn int_to_ptr(x: usize) -> *const i32 { - mir!( + mir! { { RET = x as *const i32; Return() } - ) + } } fn main() { diff --git a/tests/mir-opt/building/custom/assume.rs b/tests/mir-opt/building/custom/assume.rs index a477e12f0e03..4a55617136a1 100644 --- a/tests/mir-opt/building/custom/assume.rs +++ b/tests/mir-opt/building/custom/assume.rs @@ -7,34 +7,34 @@ use core::intrinsics::mir::*; // EMIT_MIR assume.assume_local.built.after.mir #[custom_mir(dialect = "built")] fn assume_local(x: bool) { - mir!( + mir! { { Assume(x); Return() } - ) + } } // EMIT_MIR assume.assume_place.built.after.mir #[custom_mir(dialect = "built")] fn assume_place(p: (bool, u8)) { - mir!( + mir! { { Assume(p.0); Return() } - ) + } } // EMIT_MIR assume.assume_constant.built.after.mir #[custom_mir(dialect = "built")] fn assume_constant() { - mir!( + mir! { { Assume(true); Return() } - ) + } } fn main() { diff --git a/tests/mir-opt/building/custom/composite_return.rs b/tests/mir-opt/building/custom/composite_return.rs index 33c903fa0f89..0cf2cc8d1890 100644 --- a/tests/mir-opt/building/custom/composite_return.rs +++ b/tests/mir-opt/building/custom/composite_return.rs @@ -7,14 +7,14 @@ use core::intrinsics::mir::*; // EMIT_MIR composite_return.tuple.built.after.mir #[custom_mir(dialect = "runtime", phase = "optimized")] fn tuple() -> (i32, bool) { - mir!( + mir! { type RET = (i32, bool); { RET.0 = 1; RET.1 = true; Return() } - ) + } } fn main() { diff --git a/tests/mir-opt/building/custom/consts.rs b/tests/mir-opt/building/custom/consts.rs index 1a410177fa54..c64709082dc3 100644 --- a/tests/mir-opt/building/custom/consts.rs +++ b/tests/mir-opt/building/custom/consts.rs @@ -9,14 +9,16 @@ const D: i32 = 5; // EMIT_MIR consts.consts.built.after.mir #[custom_mir(dialect = "built")] fn consts() { - mir!({ - let _a = 5_u8; - let _b = const { 5_i8 }; - let _c = C; - let _d = D; - let _e = consts::<10>; - Return() - }) + mir! { + { + let _a = 5_u8; + let _b = const { 5_i8 }; + let _c = C; + let _d = D; + let _e = consts::<10>; + Return() + } + } } static S: i32 = 0x05050505; @@ -24,11 +26,13 @@ static mut T: i32 = 0x0a0a0a0a; // EMIT_MIR consts.statics.built.after.mir #[custom_mir(dialect = "built")] fn statics() { - mir!({ - let _a: &i32 = Static(S); - let _b: *mut i32 = StaticMut(T); - Return() - }) + mir! { + { + let _a: &i32 = Static(S); + let _b: *mut i32 = StaticMut(T); + Return() + } + } } fn main() { diff --git a/tests/mir-opt/building/custom/debuginfo.rs b/tests/mir-opt/building/custom/debuginfo.rs index 3671a1ef0619..7ac3a32674a8 100644 --- a/tests/mir-opt/building/custom/debuginfo.rs +++ b/tests/mir-opt/building/custom/debuginfo.rs @@ -7,24 +7,24 @@ use core::intrinsics::mir::*; // EMIT_MIR debuginfo.pointee.built.after.mir #[custom_mir(dialect = "built")] fn pointee(opt: &mut Option) { - mir!( + mir! { debug foo => Field::(Variant(*opt, 1), 0); { Return() } - ) + } } // EMIT_MIR debuginfo.numbered.built.after.mir #[custom_mir(dialect = "analysis", phase = "post-cleanup")] fn numbered(i: (u32, i32)) { - mir!( + mir! { debug first => i.0; debug second => i.0; { Return() } - ) + } } struct S { x: f32 } @@ -32,35 +32,35 @@ struct S { x: f32 } // EMIT_MIR debuginfo.structured.built.after.mir #[custom_mir(dialect = "analysis", phase = "post-cleanup")] fn structured(i: S) { - mir!( + mir! { debug x => i.x; { Return() } - ) + } } // EMIT_MIR debuginfo.variant.built.after.mir #[custom_mir(dialect = "built")] fn variant(opt: Option) { - mir!( + mir! { debug inner => Field::(Variant(opt, 1), 0); { Return() } - ) + } } // EMIT_MIR debuginfo.variant_deref.built.after.mir #[custom_mir(dialect = "built")] fn variant_deref(opt: Option<&i32>) { - mir!( + mir! { debug pointer => Field::<&i32>(Variant(opt, 1), 0); debug deref => *Field::<&i32>(Variant(opt, 1), 0); { Return() } - ) + } } fn main() { diff --git a/tests/mir-opt/building/custom/enums.rs b/tests/mir-opt/building/custom/enums.rs index 6aab1503c0a3..88ec228986ab 100644 --- a/tests/mir-opt/building/custom/enums.rs +++ b/tests/mir-opt/building/custom/enums.rs @@ -7,7 +7,7 @@ use core::intrinsics::mir::*; // EMIT_MIR enums.switch_bool.built.after.mir #[custom_mir(dialect = "built")] pub fn switch_bool(b: bool) -> u32 { - mir!( + mir! { { match b { true => t, @@ -25,13 +25,13 @@ pub fn switch_bool(b: bool) -> u32 { RET = 10; Return() } - ) + } } // EMIT_MIR enums.switch_option.built.after.mir #[custom_mir(dialect = "built")] pub fn switch_option(option: Option<()>) -> bool { - mir!( + mir! { { let discr = Discriminant(option); match discr { @@ -50,7 +50,7 @@ pub fn switch_option(option: Option<()>) -> bool { RET = true; Return() } - ) + } } #[repr(u8)] @@ -62,7 +62,7 @@ enum Bool { // EMIT_MIR enums.switch_option_repr.built.after.mir #[custom_mir(dialect = "built")] fn switch_option_repr(option: Bool) -> bool { - mir!( + mir! { { let discr = Discriminant(option); match discr { @@ -80,26 +80,30 @@ fn switch_option_repr(option: Bool) -> bool { RET = false; Return() } - ) + } } // EMIT_MIR enums.set_discr.built.after.mir #[custom_mir(dialect = "runtime", phase = "initial")] fn set_discr(option: &mut Option<()>) { - mir!({ - Deinit(*option); - SetDiscriminant(*option, 0); - Return() - }) + mir! { + { + Deinit(*option); + SetDiscriminant(*option, 0); + Return() + } + } } // EMIT_MIR enums.set_discr_repr.built.after.mir #[custom_mir(dialect = "runtime", phase = "initial")] fn set_discr_repr(b: &mut Bool) { - mir!({ - SetDiscriminant(*b, 0); - Return() - }) + mir! { + { + SetDiscriminant(*b, 0); + Return() + } + } } fn main() { diff --git a/tests/mir-opt/building/custom/operators.rs b/tests/mir-opt/building/custom/operators.rs index ff0e8dcbb415..07abf2d96517 100644 --- a/tests/mir-opt/building/custom/operators.rs +++ b/tests/mir-opt/building/custom/operators.rs @@ -6,37 +6,41 @@ use std::intrinsics::mir::*; // EMIT_MIR operators.f.built.after.mir #[custom_mir(dialect = "built")] pub fn f(a: i32, b: bool) -> i32 { - mir!({ - a = -a; - b = !b; - a = a + a; - a = a - a; - a = a * a; - a = a / a; - a = a % a; - a = a ^ a; - a = a & a; - a = a << a; - a = a >> a; - b = a == a; - b = a < a; - b = a <= a; - b = a >= a; - b = a > a; - let res = Checked(a + a); - b = res.1; - a = res.0; - RET = a; - Return() - }) + mir! { + { + a = -a; + b = !b; + a = a + a; + a = a - a; + a = a * a; + a = a / a; + a = a % a; + a = a ^ a; + a = a & a; + a = a << a; + a = a >> a; + b = a == a; + b = a < a; + b = a <= a; + b = a >= a; + b = a > a; + let res = Checked(a + a); + b = res.1; + a = res.0; + RET = a; + Return() + } + } } // EMIT_MIR operators.g.runtime.after.mir #[custom_mir(dialect = "runtime")] pub fn g(p: *const i32, q: *const [i32]) { - mir!({ - let a = PtrMetadata(p); - let b = PtrMetadata(q); - Return() - }) + mir! { + { + let a = PtrMetadata(p); + let b = PtrMetadata(q); + Return() + } + } } diff --git a/tests/mir-opt/building/custom/projections.rs b/tests/mir-opt/building/custom/projections.rs index ac23fe59097f..0250b9b84b62 100644 --- a/tests/mir-opt/building/custom/projections.rs +++ b/tests/mir-opt/building/custom/projections.rs @@ -12,74 +12,84 @@ union U { // EMIT_MIR projections.unions.built.after.mir #[custom_mir(dialect = "built")] fn unions(u: U) -> i32 { - mir!({ - RET = u.a; - Return() - }) + mir! { + { + RET = u.a; + Return() + } + } } // EMIT_MIR projections.tuples.built.after.mir #[custom_mir(dialect = "analysis", phase = "post-cleanup")] fn tuples(i: (u32, i32)) -> (u32, i32) { - mir!( + mir! { type RET = (u32, i32); { RET.0 = i.0; RET.1 = i.1; Return() } - ) + } } // EMIT_MIR projections.unwrap.built.after.mir #[custom_mir(dialect = "built")] fn unwrap(opt: Option) -> i32 { - mir!({ - RET = Field(Variant(opt, 1), 0); - Return() - }) + mir! { + { + RET = Field(Variant(opt, 1), 0); + Return() + } + } } // EMIT_MIR projections.unwrap_deref.built.after.mir #[custom_mir(dialect = "built")] fn unwrap_deref(opt: Option<&i32>) -> i32 { - mir!({ - RET = *Field::<&i32>(Variant(opt, 1), 0); - Return() - }) + mir! { + { + RET = *Field::<&i32>(Variant(opt, 1), 0); + Return() + } + } } // EMIT_MIR projections.set.built.after.mir #[custom_mir(dialect = "built")] fn set(opt: &mut Option) { - mir!({ - place!(Field(Variant(*opt, 1), 0)) = 10; - Return() - }) + mir! { + { + place!(Field(Variant(*opt, 1), 0)) = 10; + Return() + } + } } // EMIT_MIR projections.simple_index.built.after.mir #[custom_mir(dialect = "built")] fn simple_index(a: [i32; 10], b: &[i32]) -> i32 { - mir!({ - let temp = 3; - RET = a[temp]; - RET = (*b)[temp]; - Return() - }) + mir! { + { + let temp = 3; + RET = a[temp]; + RET = (*b)[temp]; + Return() + } + } } // EMIT_MIR projections.copy_for_deref.built.after.mir #[custom_mir(dialect = "runtime", phase = "initial")] fn copy_for_deref(x: (&i32, i32)) -> i32 { - mir!( + mir! { let temp: &i32; { temp = CopyForDeref(x.0); RET = *temp; Return() } - ) + } } fn main() { diff --git a/tests/mir-opt/building/custom/references.rs b/tests/mir-opt/building/custom/references.rs index 04afe6e6494b..7ea8f8b4c156 100644 --- a/tests/mir-opt/building/custom/references.rs +++ b/tests/mir-opt/building/custom/references.rs @@ -8,31 +8,29 @@ use core::ptr::{addr_of, addr_of_mut}; // EMIT_MIR references.mut_ref.built.after.mir #[custom_mir(dialect = "runtime", phase = "optimized")] pub fn mut_ref(x: &mut i32) -> &mut i32 { - mir!( + mir! { let t: *mut i32; - { t = addr_of_mut!(*x); RET = &mut *t; Retag(RET); Return() } - ) + } } // EMIT_MIR references.immut_ref.built.after.mir #[custom_mir(dialect = "runtime", phase = "optimized")] pub fn immut_ref(x: &i32) -> &i32 { - mir!( + mir! { let t: *const i32; - { t = addr_of!(*x); RET = & *t; Retag(RET); Return() } - ) + } } // EMIT_MIR references.raw_pointer.built.after.mir @@ -40,19 +38,23 @@ pub fn immut_ref(x: &i32) -> &i32 { pub fn raw_pointer(x: *const i32) -> *const i32 { // Regression test for a bug in which unsafetyck was not correctly turned off for // `dialect = "built"` - mir!({ - RET = addr_of!(*x); - Return() - }) + mir! { + { + RET = addr_of!(*x); + Return() + } + } } // EMIT_MIR references.raw_pointer_offset.built.after.mir #[custom_mir(dialect = "built")] pub fn raw_pointer_offset(x: *const i32) -> *const i32 { - mir!({ - RET = Offset(x, 1_isize); - Return() - }) + mir! { + { + RET = Offset(x, 1_isize); + Return() + } + } } fn main() { diff --git a/tests/mir-opt/building/custom/simple_assign.rs b/tests/mir-opt/building/custom/simple_assign.rs index 8442272291e1..d6d054ab5a38 100644 --- a/tests/mir-opt/building/custom/simple_assign.rs +++ b/tests/mir-opt/building/custom/simple_assign.rs @@ -7,32 +7,32 @@ use core::intrinsics::mir::*; // EMIT_MIR simple_assign.simple.built.after.mir #[custom_mir(dialect = "built")] pub fn simple(x: i32) -> i32 { - mir!( + mir! { let temp1: i32; let temp2: _; - { StorageLive(temp1); temp1 = x; Goto(exit) } - exit = { temp2 = Move(temp1); StorageDead(temp1); RET = temp2; Return() } - ) + } } // EMIT_MIR simple_assign.simple_ref.built.after.mir #[custom_mir(dialect = "built")] pub fn simple_ref(x: &mut i32) -> &mut i32 { - mir!({ - RET = Move(x); - Return() - }) + mir! { + { + RET = Move(x); + Return() + } + } } fn main() { diff --git a/tests/mir-opt/building/custom/terminators.rs b/tests/mir-opt/building/custom/terminators.rs index 01c132cf3e77..a8e0b4b35bf4 100644 --- a/tests/mir-opt/building/custom/terminators.rs +++ b/tests/mir-opt/building/custom/terminators.rs @@ -11,7 +11,7 @@ fn ident(t: T) -> T { // EMIT_MIR terminators.direct_call.built.after.mir #[custom_mir(dialect = "built")] fn direct_call(x: i32) -> i32 { - mir!( + mir! { { Call(RET = ident(x), ReturnTo(retblock), UnwindContinue()) } @@ -19,21 +19,20 @@ fn direct_call(x: i32) -> i32 { retblock = { Return() } - ) + } } // EMIT_MIR terminators.indirect_call.built.after.mir #[custom_mir(dialect = "built")] fn indirect_call(x: i32, f: fn(i32) -> i32) -> i32 { - mir!( + mir! { { Call(RET = f(x), ReturnTo(retblock), UnwindContinue()) } - retblock = { Return() } - ) + } } struct WriteOnDrop<'a>(&'a mut i32, i32); @@ -47,51 +46,47 @@ impl<'a> Drop for WriteOnDrop<'a> { // EMIT_MIR terminators.drop_first.built.after.mir #[custom_mir(dialect = "built")] fn drop_first<'a>(a: WriteOnDrop<'a>, b: WriteOnDrop<'a>) { - mir!( + mir! { { Drop(a, ReturnTo(retblock), UnwindContinue()) } - retblock = { a = Move(b); Return() } - ) + } } // EMIT_MIR terminators.drop_second.built.after.mir #[custom_mir(dialect = "built")] fn drop_second<'a>(a: WriteOnDrop<'a>, b: WriteOnDrop<'a>) { - mir!( + mir! { { Drop(b, ReturnTo(retblock), UnwindContinue()) } - retblock = { Return() } - ) + } } // EMIT_MIR terminators.assert_nonzero.built.after.mir #[custom_mir(dialect = "built")] fn assert_nonzero(a: i32) { - mir!( + mir! { { match a { 0 => unreachable, _ => retblock } } - unreachable = { Unreachable() } - retblock = { Return() } - ) + } } fn main() { diff --git a/tests/mir-opt/building/custom/unwind_action.rs b/tests/mir-opt/building/custom/unwind_action.rs index e3d54c721457..87aab1ea70c6 100644 --- a/tests/mir-opt/building/custom/unwind_action.rs +++ b/tests/mir-opt/building/custom/unwind_action.rs @@ -9,14 +9,14 @@ use core::intrinsics::mir::*; // CHECK-NEXT: a() -> [return: bb1, unwind unreachable]; #[custom_mir(dialect = "runtime", phase = "optimized")] pub fn a() { - mir!( + mir! { { Call(RET = a(), ReturnTo(bb1), UnwindUnreachable()) } bb1 = { Return() } - ) + } } // CHECK-LABEL: fn b() @@ -24,14 +24,14 @@ pub fn a() { // CHECK-NEXT: b() -> [return: bb1, unwind continue]; #[custom_mir(dialect = "runtime", phase = "optimized")] pub fn b() { - mir!( + mir! { { Call(RET = b(), ReturnTo(bb1), UnwindContinue()) } bb1 = { Return() } - ) + } } // CHECK-LABEL: fn c() @@ -39,14 +39,14 @@ pub fn b() { // CHECK-NEXT: c() -> [return: bb1, unwind terminate(abi)]; #[custom_mir(dialect = "runtime", phase = "optimized")] pub fn c() { - mir!( + mir! { { Call(RET = c(), ReturnTo(bb1), UnwindTerminate(ReasonAbi)) } bb1 = { Return() } - ) + } } // CHECK-LABEL: fn d() @@ -54,7 +54,7 @@ pub fn c() { // CHECK-NEXT: d() -> [return: bb1, unwind: bb2]; #[custom_mir(dialect = "runtime", phase = "optimized")] pub fn d() { - mir!( + mir! { { Call(RET = d(), ReturnTo(bb1), UnwindCleanup(bb2)) } @@ -64,5 +64,5 @@ pub fn d() { bb2 (cleanup) = { UnwindResume() } - ) + } } diff --git a/tests/mir-opt/building/custom/unwind_terminate.rs b/tests/mir-opt/building/custom/unwind_terminate.rs index c5374fa7b690..9b495d52387d 100644 --- a/tests/mir-opt/building/custom/unwind_terminate.rs +++ b/tests/mir-opt/building/custom/unwind_terminate.rs @@ -8,14 +8,14 @@ use core::intrinsics::mir::*; // CHECK-NEXT: terminate(abi); #[custom_mir(dialect = "runtime", phase = "optimized")] pub fn f() { - mir!( + mir! { { Return() } bb1(cleanup) = { UnwindTerminate(ReasonAbi) } - ) + } } // CHECK-LABEL: fn g() @@ -23,12 +23,12 @@ pub fn f() { // CHECK-NEXT: terminate(cleanup); #[custom_mir(dialect = "runtime", phase = "optimized")] pub fn g() { - mir!( + mir! { { Return() } bb1(cleanup) = { UnwindTerminate(ReasonInCleanup) } - ) + } } diff --git a/tests/mir-opt/copy-prop/borrowed_local.rs b/tests/mir-opt/copy-prop/borrowed_local.rs index 512287dd1767..9da05f71b5d4 100644 --- a/tests/mir-opt/copy-prop/borrowed_local.rs +++ b/tests/mir-opt/copy-prop/borrowed_local.rs @@ -24,7 +24,7 @@ fn compare_address() -> bool { // CHECK-NEXT: _0 = cmp_ref(_2, _4) // CHECK: bb1: { // CHECK-NEXT: _0 = opaque::(_3) - mir!( + mir! { { let a = 5_u8; let r1 = &a; @@ -40,7 +40,7 @@ fn compare_address() -> bool { ret = { Return() } - ) + } } /// Generic type `T` is `Freeze`, so shared borrows are immutable. @@ -52,7 +52,7 @@ fn borrowed(x: T) -> bool { // CHECK-NEXT: _0 = opaque::<&T>(_3) // CHECK: bb1: { // CHECK-NEXT: _0 = opaque::(_1) - mir!( + mir! { { let a = x; let r1 = &x; @@ -64,7 +64,7 @@ fn borrowed(x: T) -> bool { ret = { Return() } - ) + } } /// Generic type `T` is not known to be `Freeze`, so shared borrows may be mutable. @@ -77,7 +77,7 @@ fn non_freeze(x: T) -> bool { // CHECK-NEXT: _0 = opaque::<&T>(_3) // CHECK: bb1: { // CHECK-NEXT: _0 = opaque::(_2) - mir!( + mir! { { let a = x; let r1 = &x; @@ -89,7 +89,7 @@ fn non_freeze(x: T) -> bool { ret = { Return() } - ) + } } fn main() { diff --git a/tests/mir-opt/copy-prop/custom_move_arg.rs b/tests/mir-opt/copy-prop/custom_move_arg.rs index a82d4618e68c..3dce7807b347 100644 --- a/tests/mir-opt/copy-prop/custom_move_arg.rs +++ b/tests/mir-opt/copy-prop/custom_move_arg.rs @@ -12,17 +12,19 @@ struct NotCopy(bool); // EMIT_MIR custom_move_arg.f.CopyProp.diff #[custom_mir(dialect = "runtime")] fn f(_1: NotCopy) { - mir!({ - let _2 = _1; - Call(RET = opaque(Move(_1)), ReturnTo(bb1), UnwindUnreachable()) + mir! { + { + let _2 = _1; + Call(RET = opaque(Move(_1)), ReturnTo(bb1), UnwindUnreachable()) + } + bb1 = { + let _3 = Move(_2); + Call(RET = opaque(_3), ReturnTo(bb2), UnwindUnreachable()) + } + bb2 = { + Return() + } } - bb1 = { - let _3 = Move(_2); - Call(RET = opaque(_3), ReturnTo(bb2), UnwindUnreachable()) - } - bb2 = { - Return() - }) } #[inline(never)] diff --git a/tests/mir-opt/copy-prop/move_projection.rs b/tests/mir-opt/copy-prop/move_projection.rs index 231e4082e33b..d8e2e24dda59 100644 --- a/tests/mir-opt/copy-prop/move_projection.rs +++ b/tests/mir-opt/copy-prop/move_projection.rs @@ -13,7 +13,7 @@ struct Foo(u8); #[custom_mir(dialect = "runtime")] fn f(a: Foo) -> bool { - mir!( + mir! { { let b = a; // This is a move out of a copy, so must become a copy of `a.0`. @@ -26,7 +26,7 @@ fn f(a: Foo) -> bool { ret = { Return() } - ) + } } fn main() { diff --git a/tests/mir-opt/copy-prop/mutate_through_pointer.rs b/tests/mir-opt/copy-prop/mutate_through_pointer.rs index 14ca513c6927..53cca045248d 100644 --- a/tests/mir-opt/copy-prop/mutate_through_pointer.rs +++ b/tests/mir-opt/copy-prop/mutate_through_pointer.rs @@ -18,14 +18,16 @@ use core::intrinsics::mir::*; #[custom_mir(dialect = "analysis", phase = "post-cleanup")] fn f(c: bool) -> bool { - mir!({ - let a = c; - let p = core::ptr::addr_of!(a); - let p2 = core::ptr::addr_of_mut!(*p); - *p2 = false; - RET = c; - Return() - }) + mir! { + { + let a = c; + let p = core::ptr::addr_of!(a); + let p2 = core::ptr::addr_of_mut!(*p); + *p2 = false; + RET = c; + Return() + } + } } fn main() { diff --git a/tests/mir-opt/copy-prop/non_dominate.rs b/tests/mir-opt/copy-prop/non_dominate.rs index 34e7eabc81a2..c01275370ea7 100644 --- a/tests/mir-opt/copy-prop/non_dominate.rs +++ b/tests/mir-opt/copy-prop/non_dominate.rs @@ -8,16 +8,28 @@ use core::intrinsics::mir::*; #[custom_mir(dialect = "analysis", phase = "post-cleanup")] fn f(c: bool) -> bool { - mir!( + mir! { let a: bool; let b: bool; - { Goto(bb1) } - bb1 = { b = c; match b { false => bb3, _ => bb2 }} + { + Goto(bb1) + } + bb1 = { + b = c; + match b { false => bb3, _ => bb2 } + } // This assignment to `a` does not dominate the use in `bb3`. // It should not be replaced by `b`. - bb2 = { a = b; c = false; Goto(bb1) } - bb3 = { RET = a; Return() } - ) + bb2 = { + a = b; + c = false; + Goto(bb1) + } + bb3 = { + RET = a; + Return() + } + } } fn main() { diff --git a/tests/mir-opt/dataflow-const-prop/enum.rs b/tests/mir-opt/dataflow-const-prop/enum.rs index 5c52f92cd8f1..ac0705638abb 100644 --- a/tests/mir-opt/dataflow-const-prop/enum.rs +++ b/tests/mir-opt/dataflow-const-prop/enum.rs @@ -84,7 +84,7 @@ struct NonZeroUsize(usize); // CHECK-LABEL: fn mutate_discriminant( #[custom_mir(dialect = "runtime", phase = "post-cleanup")] fn mutate_discriminant() -> u8 { - mir!( + mir! { let x: Option; { SetDiscriminant(x, 1); @@ -109,7 +109,7 @@ fn mutate_discriminant() -> u8 { RET = 2; Unreachable() } - ) + } } // EMIT_MIR enum.multiple.DataflowConstProp.diff diff --git a/tests/mir-opt/dead-store-elimination/call_arg_copy.rs b/tests/mir-opt/dead-store-elimination/call_arg_copy.rs index edb35061cc65..2556848ec462 100644 --- a/tests/mir-opt/dead-store-elimination/call_arg_copy.rs +++ b/tests/mir-opt/dead-store-elimination/call_arg_copy.rs @@ -29,7 +29,7 @@ struct Packed { fn move_packed(packed: Packed) { // CHECK-LABEL: fn move_packed( // CHECK: = use_both(const 0_i32, (_1.1: i32)) - mir!( + mir! { { // We have a packed struct, verify that the copy is not turned into a move. Call(RET = use_both(0, packed.y), ReturnTo(ret), UnwindContinue()) @@ -37,7 +37,7 @@ fn move_packed(packed: Packed) { ret = { Return() } - ) + } } fn main() { diff --git a/tests/mir-opt/dead-store-elimination/cycle.rs b/tests/mir-opt/dead-store-elimination/cycle.rs index 795d57d36f52..c8f0c2644ab3 100644 --- a/tests/mir-opt/dead-store-elimination/cycle.rs +++ b/tests/mir-opt/dead-store-elimination/cycle.rs @@ -20,7 +20,7 @@ fn cycle(mut x: i32, mut y: i32, mut z: i32) { // CHECK-NOT: {{_.*}} = move {{_.*}}; // We use custom MIR to avoid generating debuginfo, that would force to preserve writes. - mir!( + mir! { let condition: bool; { Call(condition = cond(), ReturnTo(bb1), UnwindContinue()) @@ -38,7 +38,7 @@ fn cycle(mut x: i32, mut y: i32, mut z: i32) { ret = { Return() } - ) + } } fn main() { diff --git a/tests/mir-opt/gvn.rs b/tests/mir-opt/gvn.rs index 9be305152835..315377e4356f 100644 --- a/tests/mir-opt/gvn.rs +++ b/tests/mir-opt/gvn.rs @@ -539,7 +539,7 @@ fn slices() { #[custom_mir(dialect = "analysis")] fn duplicate_slice() -> (bool, bool) { // CHECK-LABEL: fn duplicate_slice( - mir!( + mir! { let au: u128; let bu: u128; let cu: u128; @@ -585,7 +585,7 @@ fn duplicate_slice() -> (bool, bool) { RET = (direct, indirect); Return() } - ) + } } fn repeat() { @@ -623,11 +623,13 @@ fn fn_pointers() { fn indirect_static() { static A: Option = None; - mir!({ - let ptr = Static(A); - let out = Field::(Variant(*ptr, 1), 0); - Return() - }) + mir! { + { + let ptr = Static(A); + let out = Field::(Variant(*ptr, 1), 0); + Return() + } + } } /// Verify that having constant index `u64::MAX` does not yield to an overflow in rustc. @@ -733,7 +735,7 @@ fn borrowed(x: T) { // CHECK-NEXT: _0 = opaque::(_1) // CHECK: bb2: { // CHECK-NEXT: _0 = opaque::(_1) - mir!( + mir! { { let a = x; let r1 = &x; @@ -748,7 +750,7 @@ fn borrowed(x: T) { ret = { Return() } - ) + } } /// Generic type `T` is not known to be `Freeze`, so shared borrows may be mutable. @@ -763,7 +765,7 @@ fn non_freeze(x: T) { // CHECK-NEXT: _0 = opaque::(_2) // CHECK: bb2: { // CHECK-NEXT: _0 = opaque::((*_3)) - mir!( + mir! { { let a = x; let r1 = &x; @@ -778,7 +780,7 @@ fn non_freeze(x: T) { ret = { Return() } - ) + } } fn main() { diff --git a/tests/mir-opt/instsimplify/duplicate_switch_targets.rs b/tests/mir-opt/instsimplify/duplicate_switch_targets.rs index 454728249b1a..a47d9d5a71d7 100644 --- a/tests/mir-opt/instsimplify/duplicate_switch_targets.rs +++ b/tests/mir-opt/instsimplify/duplicate_switch_targets.rs @@ -10,7 +10,7 @@ use std::intrinsics::mir::*; pub unsafe fn assert_zero(x: u8) -> u8 { // CHECK-LABEL: fn assert_zero( // CHECK: switchInt({{.*}}) -> [0: {{bb.*}}, otherwise: {{bb.*}}] - mir!( + mir! { { match x { 0 => retblock, @@ -25,5 +25,5 @@ pub unsafe fn assert_zero(x: u8) -> u8 { RET = x; Return() } - ) + } } diff --git a/tests/mir-opt/jump_threading.rs b/tests/mir-opt/jump_threading.rs index 57f4e4a2654f..3ab155fdc9e7 100644 --- a/tests/mir-opt/jump_threading.rs +++ b/tests/mir-opt/jump_threading.rs @@ -157,7 +157,7 @@ fn custom_discr(x: bool) -> u8 { #[custom_mir(dialect = "runtime", phase = "post-cleanup")] fn multiple_match(x: u8) -> u8 { // CHECK-LABEL: fn multiple_match( - mir!( + mir! { { // CHECK: bb0: { // CHECK: switchInt([[x:_.*]]) -> [3: bb1, otherwise: bb2]; @@ -220,7 +220,7 @@ fn multiple_match(x: u8) -> u8 { RET = 11; Return() } - ) + } } /// Both 1-3-4 and 2-3-4 are threadable. As 1 and 2 are the only predecessors of 3, @@ -228,7 +228,7 @@ fn multiple_match(x: u8) -> u8 { #[custom_mir(dialect = "runtime", phase = "post-cleanup")] fn duplicate_chain(x: bool) -> u8 { // CHECK-LABEL: fn duplicate_chain( - mir!( + mir! { let a: u8; { // CHECK: bb0: { @@ -278,7 +278,7 @@ fn duplicate_chain(x: bool) -> u8 { RET = 9; Return() } - ) + } } #[rustc_layout_scalar_valid_range_start(1)] @@ -292,7 +292,7 @@ fn mutate_discriminant() -> u8 { // CHECK-NOT: goto -> {{bb.*}}; // CHECK: switchInt( // CHECK-NOT: goto -> {{bb.*}}; - mir!( + mir! { let x: Option; { SetDiscriminant(x, 1); @@ -313,7 +313,7 @@ fn mutate_discriminant() -> u8 { RET = 2; Unreachable() } - ) + } } /// Verify that we do not try to reason when there are mutable pointers involved. @@ -342,7 +342,7 @@ fn mutable_ref() -> bool { #[custom_mir(dialect = "runtime", phase = "post-cleanup")] fn renumbered_bb(x: bool) -> u8 { // CHECK-LABEL: fn renumbered_bb( - mir!( + mir! { let a: bool; let b: bool; { @@ -398,7 +398,7 @@ fn renumbered_bb(x: bool) -> u8 { // Duplicate of bb4. // CHECK: bb9: { // CHECK-NEXT: goto -> bb6; - ) + } } /// This function has 3 TOs: 1-4-5, 0-1-4-7-5-8 and 3-4-7-5-6 @@ -408,7 +408,7 @@ fn renumbered_bb(x: bool) -> u8 { #[custom_mir(dialect = "runtime", phase = "post-cleanup")] fn disappearing_bb(x: u8) -> u8 { // CHECK-LABEL: fn disappearing_bb( - mir!( + mir! { let a: bool; let b: bool; { @@ -450,7 +450,7 @@ fn disappearing_bb(x: u8) -> u8 { // CHECK: goto -> bb5; // CHECK: bb10: { // CHECK: goto -> bb6; - ) + } } /// Verify that we can thread jumps when we assign from an aggregate constant. @@ -472,7 +472,7 @@ fn aggregate(x: u8) -> u8 { #[custom_mir(dialect = "runtime", phase = "post-cleanup")] fn assume(a: u8, b: bool) -> u8 { // CHECK-LABEL: fn assume( - mir!( + mir! { { // CHECK: bb0: { // CHECK-NEXT: switchInt(_1) -> [7: bb1, otherwise: bb2] @@ -511,7 +511,7 @@ fn assume(a: u8, b: bool) -> u8 { } // CHECK: bb6: { // CHECK-NEXT: goto -> bb5; - ) + } } fn main() { diff --git a/tests/mir-opt/matches_reduce_branches.rs b/tests/mir-opt/matches_reduce_branches.rs index fa466220b653..176d68bcd401 100644 --- a/tests/mir-opt/matches_reduce_branches.rs +++ b/tests/mir-opt/matches_reduce_branches.rs @@ -88,7 +88,7 @@ fn match_u8_i16(i: EnumAu8) -> i16 { fn match_u8_i16_2(i: EnumAu8) -> i16 { // CHECK-LABEL: fn match_u8_i16_2( // CHECK: switchInt - mir!( + mir! { { let a = Discriminant(i); match a { @@ -110,7 +110,7 @@ fn match_u8_i16_2(i: EnumAu8) -> i16 { ret = { Return() } - ) + } } // EMIT_MIR matches_reduce_branches.match_u8_i16_failed.MatchBranchSimplification.diff @@ -158,7 +158,7 @@ fn match_u8_u16(i: EnumBu8) -> u16 { fn match_u8_u16_2(i: EnumBu8) -> i16 { // CHECK-LABEL: fn match_u8_u16_2( // CHECK: switchInt - mir!( + mir! { { let a = Discriminant(i); match a { @@ -187,7 +187,7 @@ fn match_u8_u16_2(i: EnumBu8) -> i16 { ret = { Return() } - ) + } } #[repr(i8)] diff --git a/tests/mir-opt/nrvo_miscompile_111005.rs b/tests/mir-opt/nrvo_miscompile_111005.rs index 18814b0678fe..03008fa81915 100644 --- a/tests/mir-opt/nrvo_miscompile_111005.rs +++ b/tests/mir-opt/nrvo_miscompile_111005.rs @@ -10,12 +10,14 @@ use core::intrinsics::mir::*; // EMIT_MIR nrvo_miscompile_111005.wrong.RenameReturnPlace.diff #[custom_mir(dialect = "runtime", phase = "initial")] pub fn wrong(arg: char) -> char { - mir!({ - let temp = arg; - RET = temp; - temp = 'b'; - Return() - }) + mir! { + { + let temp = arg; + RET = temp; + temp = 'b'; + Return() + } + } } fn main() { diff --git a/tests/mir-opt/reference_prop.rs b/tests/mir-opt/reference_prop.rs index e0b0d6994206..678a7c81084b 100644 --- a/tests/mir-opt/reference_prop.rs +++ b/tests/mir-opt/reference_prop.rs @@ -658,7 +658,7 @@ fn read_through_raw(x: &mut usize) -> usize { // CHECK-NEXT: return; use std::intrinsics::mir::*; - mir!( + mir! { let r1: &mut usize; let r2: &mut usize; let p1: *mut usize; @@ -674,7 +674,7 @@ fn read_through_raw(x: &mut usize) -> usize { RET = *p2; Return() } - ) + } } #[custom_mir(dialect = "runtime", phase = "post-cleanup")] @@ -683,7 +683,7 @@ fn multiple_storage() { // CHECK: _3 = (*_2); use std::intrinsics::mir::*; - mir!( + mir! { let x: i32; { StorageLive(x); @@ -700,7 +700,7 @@ fn multiple_storage() { retblock = { Return() } - ) + } } #[custom_mir(dialect = "runtime", phase = "post-cleanup")] @@ -709,7 +709,7 @@ fn dominate_storage() { // CHECK: _5 = (*_2); use std::intrinsics::mir::*; - mir!( + mir! { let x: i32; let r: &i32; let c: i32; @@ -730,7 +730,7 @@ fn dominate_storage() { let d = true; match d { false => bb2, _ => bb0 } } - ) + } } #[custom_mir(dialect = "runtime", phase = "post-cleanup")] @@ -739,7 +739,7 @@ fn maybe_dead(m: bool) { // CHECK: (*_5) = const 7_i32; use std::intrinsics::mir::*; - mir!( + mir! { let x: i32; let y: i32; { @@ -774,7 +774,7 @@ fn maybe_dead(m: bool) { retblock = { Return() } - ) + } } fn mut_raw_then_mut_shr() -> (i32, i32) { diff --git a/tests/mir-opt/set_no_discriminant.rs b/tests/mir-opt/set_no_discriminant.rs index 0c29d1faf02a..586e28ae426a 100644 --- a/tests/mir-opt/set_no_discriminant.rs +++ b/tests/mir-opt/set_no_discriminant.rs @@ -19,7 +19,7 @@ pub fn f() -> usize { // CHECK-NOT: goto // CHECK: switchInt( // CHECK-NOT: goto - mir!( + mir! { let a: isize; let e: E; { @@ -39,7 +39,7 @@ pub fn f() -> usize { RET = 1; Return() } - ) + } } // EMIT_MIR set_no_discriminant.generic.JumpThreading.diff @@ -49,7 +49,7 @@ pub fn generic() -> usize { // CHECK-NOT: goto // CHECK: switchInt( // CHECK-NOT: goto - mir!( + mir! { let a: isize; let e: E; { @@ -69,7 +69,7 @@ pub fn generic() -> usize { RET = 1; Return() } - ) + } } fn main() { diff --git a/tests/mir-opt/simplify_dead_blocks.rs b/tests/mir-opt/simplify_dead_blocks.rs index 686eac582364..b9a404fd35c8 100644 --- a/tests/mir-opt/simplify_dead_blocks.rs +++ b/tests/mir-opt/simplify_dead_blocks.rs @@ -24,7 +24,7 @@ pub unsafe fn assert_nonzero_nonmax(x: u8) -> u8 { // CHECK-NEXT: _0 = _1; // CHECK-NEXT: return; // CHECK-NEXT: } - mir!( + mir! { { match x { 0 => unreachable, @@ -48,5 +48,5 @@ pub unsafe fn assert_nonzero_nonmax(x: u8) -> u8 { RET = x; Return() } - ) + } } diff --git a/tests/mir-opt/switch_to_self.rs b/tests/mir-opt/switch_to_self.rs index fc270fd33cf8..51a7c13494fb 100644 --- a/tests/mir-opt/switch_to_self.rs +++ b/tests/mir-opt/switch_to_self.rs @@ -8,7 +8,7 @@ use std::intrinsics::mir::*; // EMIT_MIR switch_to_self.test.MatchBranchSimplification.diff #[custom_mir(dialect = "runtime", phase = "post-cleanup")] pub fn test(x: bool) { - mir!( + mir! { { Goto(bb0) } @@ -18,5 +18,5 @@ pub fn test(x: bool) { bb1 = { match x { false => bb0, _ => bb1 } } - ) + } } diff --git a/tests/ui/mir/lint/assignment-overlap.rs b/tests/ui/mir/lint/assignment-overlap.rs index 806d09cda851..6396cccd4e88 100644 --- a/tests/ui/mir/lint/assignment-overlap.rs +++ b/tests/ui/mir/lint/assignment-overlap.rs @@ -9,11 +9,11 @@ use core::intrinsics::mir::*; #[custom_mir(dialect = "runtime", phase = "optimized")] pub fn main() { - mir!( + mir! { let a: [u8; 1024]; { a = a; Return() } - ) + } } diff --git a/tests/ui/mir/lint/call-overlap.rs b/tests/ui/mir/lint/call-overlap.rs index eb806378fe54..def78ea1e3b1 100644 --- a/tests/ui/mir/lint/call-overlap.rs +++ b/tests/ui/mir/lint/call-overlap.rs @@ -9,7 +9,7 @@ use core::intrinsics::mir::*; #[custom_mir(dialect = "runtime", phase = "optimized")] pub fn main() { - mir!( + mir! { let a: [u8; 1024]; { Call(a = f(Move(a)), ReturnTo(bb1), UnwindUnreachable()) @@ -17,7 +17,7 @@ pub fn main() { bb1 = { Return() } - ) + } } pub fn f(a: T) -> T { a } diff --git a/tests/ui/mir/lint/no-storage.rs b/tests/ui/mir/lint/no-storage.rs index 42dd1b963dc1..a6af8646f6ec 100644 --- a/tests/ui/mir/lint/no-storage.rs +++ b/tests/ui/mir/lint/no-storage.rs @@ -8,7 +8,7 @@ use core::intrinsics::mir::*; #[custom_mir(dialect = "built")] pub fn f(a: bool) { - mir!( + mir! { let b: (); { match a { true => bb1, _ => bb2 } @@ -26,5 +26,5 @@ pub fn f(a: bool) { StorageDead(b); Return() } - ) + } } diff --git a/tests/ui/mir/lint/storage-live.rs b/tests/ui/mir/lint/storage-live.rs index 5dea1cb3567e..8273544b56a1 100644 --- a/tests/ui/mir/lint/storage-live.rs +++ b/tests/ui/mir/lint/storage-live.rs @@ -15,14 +15,14 @@ use core::ptr::{addr_of, addr_of_mut}; #[custom_mir(dialect = "built")] fn multiple_storage() { - mir!( + mir! { let a: usize; { StorageLive(a); StorageLive(a); Return() } - ) + } } fn main() { diff --git a/tests/ui/mir/lint/storage-return.rs b/tests/ui/mir/lint/storage-return.rs index b6281d4b2a8e..d51aee9518fb 100644 --- a/tests/ui/mir/lint/storage-return.rs +++ b/tests/ui/mir/lint/storage-return.rs @@ -8,12 +8,12 @@ use core::intrinsics::mir::*; #[custom_mir(dialect = "built")] fn main() { - mir!( + mir! { let a: (); { StorageLive(a); RET = a; Return() } - ) + } } diff --git a/tests/ui/mir/mir_codegen_ssa.rs b/tests/ui/mir/mir_codegen_ssa.rs index bf01edcbaa84..1666b8293eba 100644 --- a/tests/ui/mir/mir_codegen_ssa.rs +++ b/tests/ui/mir/mir_codegen_ssa.rs @@ -5,7 +5,7 @@ use std::intrinsics::mir::*; #[custom_mir(dialect = "runtime", phase = "optimized")] pub fn f(a: u32) -> u32 { - mir!( + mir! { let x: u32; { // Previously code generation failed with ICE "use of .. before def ..." because the @@ -15,5 +15,5 @@ pub fn f(a: u32) -> u32 { RET = x; Return() } - ) + } } diff --git a/tests/ui/mir/ssa_call_ret.rs b/tests/ui/mir/ssa_call_ret.rs index 9b2c78c737f1..baaa7326fd80 100644 --- a/tests/ui/mir/ssa_call_ret.rs +++ b/tests/ui/mir/ssa_call_ret.rs @@ -10,7 +10,7 @@ use core::intrinsics::mir::*; #[custom_mir(dialect = "runtime", phase = "optimized")] pub fn f() -> u32 { - mir!( + mir! { let a: u32; { Call(a = g(), ReturnTo(bb1), UnwindCleanup(bb2)) @@ -23,7 +23,7 @@ pub fn f() -> u32 { RET = a; UnwindResume() } - ) + } } #[inline(never)] diff --git a/tests/ui/mir/validate/critical-edge.rs b/tests/ui/mir/validate/critical-edge.rs index 0a548ae8e584..9048d08a22a7 100644 --- a/tests/ui/mir/validate/critical-edge.rs +++ b/tests/ui/mir/validate/critical-edge.rs @@ -12,7 +12,7 @@ use core::intrinsics::mir::*; #[custom_mir(dialect = "runtime", phase = "optimized")] #[inline(always)] pub fn f(a: u32) -> u32 { - mir!( + mir! { { match a { 0 => bb1, @@ -27,5 +27,5 @@ pub fn f(a: u32) -> u32 { RET = 2; Return() } - ) + } } diff --git a/tests/ui/mir/validate/noncleanup-cleanup.rs b/tests/ui/mir/validate/noncleanup-cleanup.rs index 744e71e99b10..b46bb46952b8 100644 --- a/tests/ui/mir/validate/noncleanup-cleanup.rs +++ b/tests/ui/mir/validate/noncleanup-cleanup.rs @@ -9,13 +9,12 @@ use core::intrinsics::mir::*; #[custom_mir(dialect = "built")] pub fn main() { - mir!( + mir! { { Call(RET = main(), ReturnTo(block), UnwindCleanup(block)) } block = { Return() } - ) - + } } diff --git a/tests/ui/mir/validate/noncleanup-resume.rs b/tests/ui/mir/validate/noncleanup-resume.rs index 5bf6b03c9e94..b2a0e92e0686 100644 --- a/tests/ui/mir/validate/noncleanup-resume.rs +++ b/tests/ui/mir/validate/noncleanup-resume.rs @@ -9,9 +9,9 @@ use core::intrinsics::mir::*; #[custom_mir(dialect = "built")] pub fn main() { - mir!( + mir! { { UnwindResume() } - ) + } } diff --git a/tests/ui/mir/validate/noncleanup-terminate.rs b/tests/ui/mir/validate/noncleanup-terminate.rs index b5bf2604cce6..24cf75e7d8e1 100644 --- a/tests/ui/mir/validate/noncleanup-terminate.rs +++ b/tests/ui/mir/validate/noncleanup-terminate.rs @@ -9,9 +9,9 @@ use core::intrinsics::mir::*; #[custom_mir(dialect = "built")] pub fn main() { - mir!( + mir! { { UnwindTerminate(ReasonAbi) } - ) + } } From c9c80d2c5f3f07d18c90128e92771355111dff20 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Mon, 3 Jun 2024 10:18:33 +1000 Subject: [PATCH 0876/1716] rustfmt `tests/mir-opt`. The only non-obvious changes: - `building/storage_live_dead_in_statics.rs` has a `#[rustfmt::skip]` attribute to avoid reformating a table of data. - Two `.mir` files have slight changes involving line numbers. - In `unusual_item_types.rs` an `EMIT_MIR` annotation is moved to outside a function, which is the usual spot, because `tidy` complains if such a comment is indented. The commit also tweaks the comments in `rustfmt.toml`. --- rustfmt.toml | 14 ++--- tests/mir-opt/address_of.rs | 2 +- tests/mir-opt/array_index_is_temporary.rs | 1 - tests/mir-opt/building/custom/debuginfo.rs | 4 +- tests/mir-opt/building/enum_cast.rs | 24 ++++--- .../building/logical_or_in_conditional.rs | 8 ++- tests/mir-opt/building/match/simple_match.rs | 1 - tests/mir-opt/building/shifts.rs | 13 +--- .../building/storage_live_dead_in_statics.rs | 5 +- .../const_prop/control_flow_simplification.rs | 2 +- tests/mir-opt/const_prop/invalid_constant.rs | 10 +-- tests/mir-opt/const_prop/offset_of.rs | 2 +- .../const_prop/pointer_expose_provenance.rs | 2 +- .../const_prop/scalar_literal_propagation.rs | 2 +- tests/mir-opt/const_prop/switch_int.rs | 2 +- tests/mir-opt/const_prop/transmute.rs | 5 +- .../const_prop/tuple_literal_propagation.rs | 2 +- tests/mir-opt/copy-prop/borrowed_local.rs | 6 +- tests/mir-opt/copy-prop/move_projection.rs | 4 +- tests/mir-opt/dataflow-const-prop/enum.rs | 27 ++++++-- .../dataflow-const-prop/mult_by_zero.rs | 6 +- .../mir-opt/dataflow-const-prop/transmute.rs | 5 +- tests/mir-opt/derefer_complex_case.rs | 4 +- tests/mir-opt/derefer_terminator_test.rs | 4 +- tests/mir-opt/derefer_test.rs | 2 +- tests/mir-opt/derefer_test_multiple.rs | 2 +- tests/mir-opt/enum_opt.rs | 62 +++++++++---------- tests/mir-opt/inline/inline_cycle.rs | 1 - tests/mir-opt/inline/inline_cycle_generic.rs | 1 - tests/mir-opt/inline/inline_options.rs | 12 +++- tests/mir-opt/inline/inline_specialization.rs | 6 +- tests/mir-opt/inline/issue_106141.rs | 6 +- .../issue_76997_inline_scopes_parenting.rs | 5 +- .../mir-opt/instsimplify/combine_array_len.rs | 4 +- .../instsimplify/combine_transmutes.rs | 7 ++- .../issue_104451_unwindable_intrinsics.rs | 4 +- tests/mir-opt/issue_41110.rs | 8 +-- tests/mir-opt/issue_41697.rs | 5 +- ...nt#0}.SimplifyCfg-promote-consts.after.mir | 4 +- tests/mir-opt/issue_41888.rs | 6 +- tests/mir-opt/issue_72181.rs | 12 ++-- tests/mir-opt/issue_72181_1.rs | 4 +- tests/mir-opt/issue_91633.rs | 44 +++++++------ tests/mir-opt/issues/issue_75439.rs | 6 +- tests/mir-opt/jump_threading.rs | 12 +--- tests/mir-opt/lower_array_len.rs | 6 +- tests/mir-opt/lower_slice_len.rs | 6 +- tests/mir-opt/matches_u8.rs | 9 ++- tests/mir-opt/nll/named_lifetimes_basic.rs | 7 ++- tests/mir-opt/nrvo_simple.rs | 4 +- tests/mir-opt/packed_struct_drop_aligned.rs | 1 - tests/mir-opt/pre-codegen/intrinsics.rs | 4 +- .../pre-codegen/optimizes_into_variable.rs | 2 +- tests/mir-opt/pre-codegen/try_identity.rs | 12 ++-- tests/mir-opt/reference_prop.rs | 7 ++- tests/mir-opt/retag.rs | 4 +- tests/mir-opt/return_an_array.rs | 6 +- tests/mir-opt/simplify_locals.rs | 10 +-- tests/mir-opt/simplify_locals_fixedpoint.rs | 4 +- tests/mir-opt/simplify_match.rs | 7 ++- tests/mir-opt/sroa/lifetimes.rs | 5 +- tests/mir-opt/uninhabited_enum.rs | 8 +-- tests/mir-opt/unnamed-fields/field_access.rs | 6 +- tests/mir-opt/unreachable.rs | 4 +- tests/mir-opt/unusual_item_types.rs | 3 +- ...mpl#0}-ASSOCIATED_CONSTANT.built.after.mir | 4 +- 66 files changed, 251 insertions(+), 236 deletions(-) diff --git a/rustfmt.toml b/rustfmt.toml index 2b502cf9bc6f..998bcb983540 100644 --- a/rustfmt.toml +++ b/rustfmt.toml @@ -10,17 +10,13 @@ ignore = [ "/build-*/", "/vendor/", - # Some tests are not formatted, for multiple reasons: - # - some contain syntax errors that cause rustfmt to give an error - # - some UI tests are broken by different formatting - # - some require special comments in a particular position (e.g. `EMIT_MIR` comments) + # Some tests are not formatted, for various reasons. "/tests/codegen/simd-intrinsic/", # Many types like `u8x64` are better hand-formatted. - "/tests/crashes/", # Many tests contain syntax errors. - "/tests/debuginfo/", # Tests are somewhat sensitive to source code layout. - "/tests/incremental/", # Tests are somewhat sensitive to source code layout. - "/tests/mir-opt/", + "/tests/crashes/", # Many of these tests contain syntax errors. + "/tests/debuginfo/", # These tests are somewhat sensitive to source code layout. + "/tests/incremental/", # These tests are somewhat sensitive to source code layout. "/tests/pretty/", - "/tests/run-make/translation/test.rs", # Contains syntax errors. + "/tests/run-make/translation/test.rs", # This test contains syntax errors. "/tests/run-make-fulldeps/", "/tests/run-pass-valgrind/", "/tests/rustdoc/", diff --git a/tests/mir-opt/address_of.rs b/tests/mir-opt/address_of.rs index 57a317a4a90b..164ab38ebe75 100644 --- a/tests/mir-opt/address_of.rs +++ b/tests/mir-opt/address_of.rs @@ -9,7 +9,7 @@ fn address_of_reborrow() { y as *const [i32; 10]; y as *const dyn Send; y as *const [i32]; - y as *const i32; // This is a cast, not a coercion + y as *const i32; // This is a cast, not a coercion let p: *const _ = y; let p: *const [i32; 10] = y; diff --git a/tests/mir-opt/array_index_is_temporary.rs b/tests/mir-opt/array_index_is_temporary.rs index cd44c31d0004..771fb3771b5c 100644 --- a/tests/mir-opt/array_index_is_temporary.rs +++ b/tests/mir-opt/array_index_is_temporary.rs @@ -9,7 +9,6 @@ unsafe fn foo(z: *mut usize) -> u32 { 99 } - // EMIT_MIR array_index_is_temporary.main.SimplifyCfg-pre-optimizations.after.mir fn main() { // CHECK-LABEL: fn main( diff --git a/tests/mir-opt/building/custom/debuginfo.rs b/tests/mir-opt/building/custom/debuginfo.rs index 7ac3a32674a8..5ab83fd4214b 100644 --- a/tests/mir-opt/building/custom/debuginfo.rs +++ b/tests/mir-opt/building/custom/debuginfo.rs @@ -27,7 +27,9 @@ fn numbered(i: (u32, i32)) { } } -struct S { x: f32 } +struct S { + x: f32, +} // EMIT_MIR debuginfo.structured.built.after.mir #[custom_mir(dialect = "analysis", phase = "post-cleanup")] diff --git a/tests/mir-opt/building/enum_cast.rs b/tests/mir-opt/building/enum_cast.rs index df8e397c8fec..7ff0cdbfe8df 100644 --- a/tests/mir-opt/building/enum_cast.rs +++ b/tests/mir-opt/building/enum_cast.rs @@ -5,21 +5,24 @@ // EMIT_MIR enum_cast.far.built.after.mir enum Foo { - A + A, } enum Bar { - A, B + A, + B, } #[repr(u8)] enum Boo { - A, B + A, + B, } #[repr(i16)] enum Far { - A, B + A, + B, } fn foo(foo: Foo) -> usize { @@ -40,7 +43,9 @@ fn far(far: Far) -> isize { // EMIT_MIR enum_cast.droppy.built.after.mir enum Droppy { - A, B, C + A, + B, + C, } impl Drop for Droppy { @@ -82,12 +87,15 @@ fn unsigny(x: UnsignedAroundZero) -> u16 { x as u16 } -enum NotStartingAtZero { A = 4, B = 6, C = 8 } +enum NotStartingAtZero { + A = 4, + B = 6, + C = 8, +} // EMIT_MIR enum_cast.offsetty.built.after.mir fn offsetty(x: NotStartingAtZero) -> u32 { x as u32 } -fn main() { -} +fn main() {} diff --git a/tests/mir-opt/building/logical_or_in_conditional.rs b/tests/mir-opt/building/logical_or_in_conditional.rs index deb841f2b0d5..e6872e6f2ec8 100644 --- a/tests/mir-opt/building/logical_or_in_conditional.rs +++ b/tests/mir-opt/building/logical_or_in_conditional.rs @@ -30,9 +30,13 @@ fn test_or() { // EMIT_MIR logical_or_in_conditional.test_complex.built.after.mir fn test_complex() { - if let E::A(_) = E::f() && ((always_true() && Droppy(0).0 > 0) || Droppy(1).0 > 1) {} + if let E::A(_) = E::f() + && ((always_true() && Droppy(0).0 > 0) || Droppy(1).0 > 1) + {} - if !always_true() && let E::B = E::f() {} + if !always_true() + && let E::B = E::f() + {} } fn main() { diff --git a/tests/mir-opt/building/match/simple_match.rs b/tests/mir-opt/building/match/simple_match.rs index 4f0a3046a061..61c337822c85 100644 --- a/tests/mir-opt/building/match/simple_match.rs +++ b/tests/mir-opt/building/match/simple_match.rs @@ -1,7 +1,6 @@ // skip-filecheck // Test that we don't generate unnecessarily large MIR for very simple matches - // EMIT_MIR simple_match.match_bool.built.after.mir fn match_bool(x: bool) -> usize { match x { diff --git a/tests/mir-opt/building/shifts.rs b/tests/mir-opt/building/shifts.rs index 849d7b55f3a0..d7747bb2f784 100644 --- a/tests/mir-opt/building/shifts.rs +++ b/tests/mir-opt/building/shifts.rs @@ -3,19 +3,12 @@ // EMIT_MIR shifts.shift_signed.built.after.mir fn shift_signed(small: i8, big: u128, a: i8, b: i32, c: i128) -> ([i8; 3], [u128; 3]) { - ( - [small >> a, small >> b, small >> c], - [big << a, big << b, big << c], - ) + ([small >> a, small >> b, small >> c], [big << a, big << b, big << c]) } // EMIT_MIR shifts.shift_unsigned.built.after.mir fn shift_unsigned(small: u8, big: i128, a: u8, b: u32, c: u128) -> ([u8; 3], [i128; 3]) { - ( - [small >> a, small >> b, small >> c], - [big << a, big << b, big << c], - ) + ([small >> a, small >> b, small >> c], [big << a, big << b, big << c]) } -fn main() { -} +fn main() {} diff --git a/tests/mir-opt/building/storage_live_dead_in_statics.rs b/tests/mir-opt/building/storage_live_dead_in_statics.rs index 1f5692118545..7cb74acbf060 100644 --- a/tests/mir-opt/building/storage_live_dead_in_statics.rs +++ b/tests/mir-opt/building/storage_live_dead_in_statics.rs @@ -3,6 +3,7 @@ // generate `StorageStart` or `StorageEnd` statements. // EMIT_MIR storage_live_dead_in_statics.XXX.built.after.mir +#[rustfmt::skip] static XXX: &'static Foo = &Foo { tup: "hi", data: &[ @@ -20,13 +21,13 @@ static XXX: &'static Foo = &Foo { (0, 1), (0, 2), (0, 3), (0, 1), (0, 2), (0, 3), (0, 1), (0, 2), (0, 3), - ] + ], }; #[derive(Debug)] struct Foo { tup: &'static str, - data: &'static [(u32, u32)] + data: &'static [(u32, u32)], } fn main() { diff --git a/tests/mir-opt/const_prop/control_flow_simplification.rs b/tests/mir-opt/const_prop/control_flow_simplification.rs index 39b5f2898306..64605ca11c2c 100644 --- a/tests/mir-opt/const_prop/control_flow_simplification.rs +++ b/tests/mir-opt/const_prop/control_flow_simplification.rs @@ -11,7 +11,7 @@ impl NeedsDrop for This {} // EMIT_MIR control_flow_simplification.hello.GVN.diff // EMIT_MIR control_flow_simplification.hello.PreCodegen.before.mir -fn hello(){ +fn hello() { if ::NEEDS { panic!() } diff --git a/tests/mir-opt/const_prop/invalid_constant.rs b/tests/mir-opt/const_prop/invalid_constant.rs index 2b7271f63ff2..91ee36ae2c54 100644 --- a/tests/mir-opt/const_prop/invalid_constant.rs +++ b/tests/mir-opt/const_prop/invalid_constant.rs @@ -8,7 +8,11 @@ #[derive(Copy, Clone)] #[repr(u32)] -enum E { A, B, C } +enum E { + A, + B, + C, +} #[derive(Copy, Clone)] enum Empty {} @@ -39,7 +43,5 @@ fn main() { // A non-UTF-8 string slice. Regression test for #75763 and #78520. struct Str; - let _non_utf8_str: Str::<{ - unsafe { std::mem::transmute::<&[u8], &str>(&[0xC0, 0xC1, 0xF5]) } - }>; + let _non_utf8_str: Str<{ unsafe { std::mem::transmute::<&[u8], &str>(&[0xC0, 0xC1, 0xF5]) } }>; } diff --git a/tests/mir-opt/const_prop/offset_of.rs b/tests/mir-opt/const_prop/offset_of.rs index 105cbfb53dd0..264c8a3d21cd 100644 --- a/tests/mir-opt/const_prop/offset_of.rs +++ b/tests/mir-opt/const_prop/offset_of.rs @@ -31,7 +31,7 @@ struct Delta { enum Epsilon { A(u8, u16), B, - C { c: u32 } + C { c: u32 }, } enum Zeta { diff --git a/tests/mir-opt/const_prop/pointer_expose_provenance.rs b/tests/mir-opt/const_prop/pointer_expose_provenance.rs index f148a5b6542e..a76fead98594 100644 --- a/tests/mir-opt/const_prop/pointer_expose_provenance.rs +++ b/tests/mir-opt/const_prop/pointer_expose_provenance.rs @@ -2,7 +2,7 @@ //@ test-mir-pass: GVN #[inline(never)] -fn read(_: usize) { } +fn read(_: usize) {} // EMIT_MIR pointer_expose_provenance.main.GVN.diff fn main() { diff --git a/tests/mir-opt/const_prop/scalar_literal_propagation.rs b/tests/mir-opt/const_prop/scalar_literal_propagation.rs index 9d02f24e76bd..15e32490de49 100644 --- a/tests/mir-opt/const_prop/scalar_literal_propagation.rs +++ b/tests/mir-opt/const_prop/scalar_literal_propagation.rs @@ -10,4 +10,4 @@ fn main() { } #[inline(never)] -fn consume(_: u32) { } +fn consume(_: u32) {} diff --git a/tests/mir-opt/const_prop/switch_int.rs b/tests/mir-opt/const_prop/switch_int.rs index 114380e316de..4ee4182caf6a 100644 --- a/tests/mir-opt/const_prop/switch_int.rs +++ b/tests/mir-opt/const_prop/switch_int.rs @@ -3,7 +3,7 @@ // EMIT_MIR_FOR_EACH_PANIC_STRATEGY #[inline(never)] -fn foo(_: i32) { } +fn foo(_: i32) {} // EMIT_MIR switch_int.main.GVN.diff // EMIT_MIR switch_int.main.SimplifyConstCondition-after-const-prop.diff diff --git a/tests/mir-opt/const_prop/transmute.rs b/tests/mir-opt/const_prop/transmute.rs index 9cbf8928753b..892b91a5414c 100644 --- a/tests/mir-opt/const_prop/transmute.rs +++ b/tests/mir-opt/const_prop/transmute.rs @@ -45,7 +45,10 @@ pub unsafe fn undef_union_as_integer() -> u32 { // CHECK-LABEL: fn undef_union_as_integer( // CHECK: _1 = Union32 { // CHECK: _0 = move _1 as u32 (Transmute); - union Union32 { value: u32, unit: () } + union Union32 { + value: u32, + unit: (), + } unsafe { transmute(Union32 { unit: () }) } } diff --git a/tests/mir-opt/const_prop/tuple_literal_propagation.rs b/tests/mir-opt/const_prop/tuple_literal_propagation.rs index 582411c7b59e..e42a62cb6fdf 100644 --- a/tests/mir-opt/const_prop/tuple_literal_propagation.rs +++ b/tests/mir-opt/const_prop/tuple_literal_propagation.rs @@ -10,4 +10,4 @@ fn main() { } #[inline(never)] -fn consume(_: (u32, u32)) { } +fn consume(_: (u32, u32)) {} diff --git a/tests/mir-opt/copy-prop/borrowed_local.rs b/tests/mir-opt/copy-prop/borrowed_local.rs index 9da05f71b5d4..dd1679513f6c 100644 --- a/tests/mir-opt/copy-prop/borrowed_local.rs +++ b/tests/mir-opt/copy-prop/borrowed_local.rs @@ -4,10 +4,12 @@ #![feature(custom_mir, core_intrinsics, freeze)] #![allow(unused_assignments)] extern crate core; -use core::marker::Freeze; use core::intrinsics::mir::*; +use core::marker::Freeze; -fn opaque(_: impl Sized) -> bool { true } +fn opaque(_: impl Sized) -> bool { + true +} fn cmp_ref(a: &u8, b: &u8) -> bool { std::ptr::eq(a as *const u8, b as *const u8) diff --git a/tests/mir-opt/copy-prop/move_projection.rs b/tests/mir-opt/copy-prop/move_projection.rs index d8e2e24dda59..0ac1c4e0ba26 100644 --- a/tests/mir-opt/copy-prop/move_projection.rs +++ b/tests/mir-opt/copy-prop/move_projection.rs @@ -7,7 +7,9 @@ extern crate core; use core::intrinsics::mir::*; -fn opaque(_: impl Sized) -> bool { true } +fn opaque(_: impl Sized) -> bool { + true +} struct Foo(u8); diff --git a/tests/mir-opt/dataflow-const-prop/enum.rs b/tests/mir-opt/dataflow-const-prop/enum.rs index ac0705638abb..946cfa4c76c0 100644 --- a/tests/mir-opt/dataflow-const-prop/enum.rs +++ b/tests/mir-opt/dataflow-const-prop/enum.rs @@ -8,7 +8,7 @@ use std::intrinsics::mir::*; #[derive(Copy, Clone)] enum E { V1(i32), - V2(i32) + V2(i32), } // EMIT_MIR enum.simple.DataflowConstProp.diff @@ -23,7 +23,10 @@ fn simple() { // CHECK: switchInt(const 0_isize) -> [0: [[target_bb:bb.*]], 1: bb2, otherwise: bb1]; // CHECK: [[target_bb]]: { // CHECK: [[x]] = const 0_i32; - let x = match e { E::V1(x1) => x1, E::V2(x2) => x2 }; + let x = match e { + E::V1(x1) => x1, + E::V2(x2) => x2, + }; } // EMIT_MIR enum.constant.DataflowConstProp.diff @@ -39,7 +42,10 @@ fn constant() { // CHECK: switchInt(const 0_isize) -> [0: [[target_bb:bb.*]], 1: bb2, otherwise: bb1]; // CHECK: [[target_bb]]: { // CHECK: [[x]] = const 0_i32; - let x = match e { E::V1(x1) => x1, E::V2(x2) => x2 }; + let x = match e { + E::V1(x1) => x1, + E::V2(x2) => x2, + }; } // EMIT_MIR enum.statics.DataflowConstProp.diff @@ -58,7 +64,10 @@ fn statics() { // CHECK: switchInt(const 0_isize) -> [0: [[target_bb:bb.*]], 1: bb2, otherwise: bb1]; // CHECK: [[target_bb]]: { // CHECK: [[x1]] = const 0_i32; - let x1 = match e1 { E::V1(x11) => x11, E::V2(x12) => x12 }; + let x1 = match e1 { + E::V1(x11) => x11, + E::V2(x12) => x12, + }; static RC: &E = &E::V2(4); @@ -72,7 +81,10 @@ fn statics() { // One is `_9 = &(*_12) and another is `_9 = _11`. It is different from what we can // get by printing MIR directly. It is better to check if there are any bugs in the // MIR passes around this stage. - let x2 = match e2 { E::V1(x21) => x21, E::V2(x22) => x22 }; + let x2 = match e2 { + E::V1(x21) => x21, + E::V2(x22) => x22, + }; } #[rustc_layout_scalar_valid_range_start(1)] @@ -132,7 +144,10 @@ fn multiple(x: bool, i: u8) { // CHECK: [[x2]] = const 0_u8; // CHECK: [[some:_.*]] = (({{_.*}} as Some).0: u8) // CHECK: [[x2]] = [[some]]; - let x2 = match e { Some(i) => i, None => 0 }; + let x2 = match e { + Some(i) => i, + None => 0, + }; // Therefore, `x2` should be `Top` here, and no replacement shall happen. diff --git a/tests/mir-opt/dataflow-const-prop/mult_by_zero.rs b/tests/mir-opt/dataflow-const-prop/mult_by_zero.rs index 3cd0b715a521..26f79c8c0e48 100644 --- a/tests/mir-opt/dataflow-const-prop/mult_by_zero.rs +++ b/tests/mir-opt/dataflow-const-prop/mult_by_zero.rs @@ -2,9 +2,9 @@ // EMIT_MIR mult_by_zero.test.DataflowConstProp.diff // CHECK-LABEL: fn test( -fn test(x : i32) -> i32 { - x * 0 - // CHECK: _0 = const 0_i32; +fn test(x: i32) -> i32 { + x * 0 + // CHECK: _0 = const 0_i32; } fn main() { diff --git a/tests/mir-opt/dataflow-const-prop/transmute.rs b/tests/mir-opt/dataflow-const-prop/transmute.rs index e7f93f421cf8..d0391f6974b4 100644 --- a/tests/mir-opt/dataflow-const-prop/transmute.rs +++ b/tests/mir-opt/dataflow-const-prop/transmute.rs @@ -45,7 +45,10 @@ pub unsafe fn undef_union_as_integer() -> u32 { // CHECK-LABEL: fn undef_union_as_integer( // CHECK: _1 = Union32 { // CHECK: _0 = move _1 as u32 (Transmute); - union Union32 { value: u32, unit: () } + union Union32 { + value: u32, + unit: (), + } unsafe { transmute(Union32 { unit: () }) } } diff --git a/tests/mir-opt/derefer_complex_case.rs b/tests/mir-opt/derefer_complex_case.rs index b1fa2c8733ef..96034522b9fe 100644 --- a/tests/mir-opt/derefer_complex_case.rs +++ b/tests/mir-opt/derefer_complex_case.rs @@ -4,5 +4,7 @@ // EMIT_MIR_FOR_EACH_PANIC_STRATEGY fn main() { - for &foo in &[42, 43] { drop(foo) } + for &foo in &[42, 43] { + drop(foo) + } } diff --git a/tests/mir-opt/derefer_terminator_test.rs b/tests/mir-opt/derefer_terminator_test.rs index 5de6a61eaf2c..fd16c6c2045e 100644 --- a/tests/mir-opt/derefer_terminator_test.rs +++ b/tests/mir-opt/derefer_terminator_test.rs @@ -7,7 +7,9 @@ fn main() { let b = foo(); let d = foo(); match ****(&&&&b) { - true => {let x = 5;}, + true => { + let x = 5; + } false => {} } let y = 42; diff --git a/tests/mir-opt/derefer_test.rs b/tests/mir-opt/derefer_test.rs index 3ca2144e4fc4..5676fa657fe9 100644 --- a/tests/mir-opt/derefer_test.rs +++ b/tests/mir-opt/derefer_test.rs @@ -2,7 +2,7 @@ //@ test-mir-pass: Derefer // EMIT_MIR derefer_test.main.Derefer.diff fn main() { - let mut a = (42,43); + let mut a = (42, 43); let mut b = (99, &mut a); let x = &mut (*b.1).0; let y = &mut (*b.1).1; diff --git a/tests/mir-opt/derefer_test_multiple.rs b/tests/mir-opt/derefer_test_multiple.rs index 145a19ee6a3c..7c03af00e1e6 100644 --- a/tests/mir-opt/derefer_test_multiple.rs +++ b/tests/mir-opt/derefer_test_multiple.rs @@ -1,7 +1,7 @@ // skip-filecheck //@ test-mir-pass: Derefer // EMIT_MIR derefer_test_multiple.main.Derefer.diff -fn main () { +fn main() { let mut a = (42, 43); let mut b = (99, &mut a); let mut c = (11, &mut b); diff --git a/tests/mir-opt/enum_opt.rs b/tests/mir-opt/enum_opt.rs index cacc7301f122..2cc5df84d6b5 100644 --- a/tests/mir-opt/enum_opt.rs +++ b/tests/mir-opt/enum_opt.rs @@ -7,22 +7,22 @@ // Tests that an enum with a variant with no data gets correctly transformed. pub enum NoData { - Large([u8; 8196]), - None, + Large([u8; 8196]), + None, } // Tests that an enum with a variant with data that is a valid candidate gets transformed. pub enum Candidate { - Small(u8), - Large([u8; 8196]), + Small(u8), + Large([u8; 8196]), } // Tests that an enum which has a discriminant much higher than the variant does not get // tformed. #[repr(u32)] pub enum InvalidIdxs { - A = 302, - Large([u64; 1024]), + A = 302, + Large([u64; 1024]), } // Tests that an enum with too high of a discriminant index (not in bounds of usize) does not @@ -37,51 +37,51 @@ pub enum NotTrunctable { // Tests that an enum with discriminants in random order still gets tformed correctly. #[repr(u32)] pub enum RandOrderDiscr { - A = 13, - B([u8; 1024]) = 5, - C = 7, + A = 13, + B([u8; 1024]) = 5, + C = 7, } // EMIT_MIR enum_opt.unin.EnumSizeOpt.diff pub fn unin() -> NoData { - let mut a = NoData::None; - a = NoData::Large([1; 8196]); - a + let mut a = NoData::None; + a = NoData::Large([1; 8196]); + a } // EMIT_MIR enum_opt.cand.EnumSizeOpt.diff pub fn cand() -> Candidate { - let mut a = Candidate::Small(1); - a = Candidate::Large([1; 8196]); - a + let mut a = Candidate::Small(1); + a = Candidate::Large([1; 8196]); + a } // EMIT_MIR enum_opt.invalid.EnumSizeOpt.diff pub fn invalid() -> InvalidIdxs { - let mut a = InvalidIdxs::A; - a = InvalidIdxs::Large([0; 1024]); - a + let mut a = InvalidIdxs::A; + a = InvalidIdxs::Large([0; 1024]); + a } // EMIT_MIR enum_opt.trunc.EnumSizeOpt.diff pub fn trunc() -> NotTrunctable { - let mut a = NotTrunctable::A; - a = NotTrunctable::B([0; 1024]); - a = NotTrunctable::C([0; 4096]); - a + let mut a = NotTrunctable::A; + a = NotTrunctable::B([0; 1024]); + a = NotTrunctable::C([0; 4096]); + a } pub fn rand_order() -> RandOrderDiscr { - let mut a = RandOrderDiscr::A; - a = RandOrderDiscr::B([0; 1024]); - a = RandOrderDiscr::C; - a + let mut a = RandOrderDiscr::A; + a = RandOrderDiscr::B([0; 1024]); + a = RandOrderDiscr::C; + a } pub fn main() { - unin(); - cand(); - invalid(); - trunc(); - rand_order(); + unin(); + cand(); + invalid(); + trunc(); + rand_order(); } diff --git a/tests/mir-opt/inline/inline_cycle.rs b/tests/mir-opt/inline/inline_cycle.rs index 1826e38f894d..651112ccfd7f 100644 --- a/tests/mir-opt/inline/inline_cycle.rs +++ b/tests/mir-opt/inline/inline_cycle.rs @@ -32,7 +32,6 @@ impl Call for A { } } - impl Call for B { #[inline] fn call() { diff --git a/tests/mir-opt/inline/inline_cycle_generic.rs b/tests/mir-opt/inline/inline_cycle_generic.rs index 667bf7f9254d..64f208b1c70b 100644 --- a/tests/mir-opt/inline/inline_cycle_generic.rs +++ b/tests/mir-opt/inline/inline_cycle_generic.rs @@ -26,7 +26,6 @@ impl Call for A { } } - impl Call for B { #[inline] fn call() { diff --git a/tests/mir-opt/inline/inline_options.rs b/tests/mir-opt/inline/inline_options.rs index 7d7c4f718bd7..bd9e0e2d2074 100644 --- a/tests/mir-opt/inline/inline_options.rs +++ b/tests/mir-opt/inline/inline_options.rs @@ -16,8 +16,16 @@ fn main() { // Cost is approximately 3 * 25 + 5 = 80. #[inline] -pub fn not_inlined() { g(); g(); g(); } -pub fn inlined() { g(); g(); g(); } +pub fn not_inlined() { + g(); + g(); + g(); +} +pub fn inlined() { + g(); + g(); + g(); +} #[inline(never)] fn g() {} diff --git a/tests/mir-opt/inline/inline_specialization.rs b/tests/mir-opt/inline/inline_specialization.rs index 6453abc00812..b9d40aca3a43 100644 --- a/tests/mir-opt/inline/inline_specialization.rs +++ b/tests/mir-opt/inline/inline_specialization.rs @@ -5,7 +5,7 @@ fn main() { // CHECK-LABEL: fn main( // CHECK: (inlined as Foo>::bar) - let x = as Foo>::bar(); + let x = as Foo>::bar(); } trait Foo { @@ -14,5 +14,7 @@ trait Foo { impl Foo for Vec { #[inline(always)] - default fn bar() -> u32 { 123 } + default fn bar() -> u32 { + 123 + } } diff --git a/tests/mir-opt/inline/issue_106141.rs b/tests/mir-opt/inline/issue_106141.rs index 1cca7d76b25a..d311ad4527f2 100644 --- a/tests/mir-opt/inline/issue_106141.rs +++ b/tests/mir-opt/inline/issue_106141.rs @@ -19,11 +19,7 @@ fn inner() -> usize { // CHECK: = {{.*}}[_0]; let buffer = &[true]; let index = index(); - if buffer[index] { - index - } else { - 0 - } + if buffer[index] { index } else { 0 } } fn main() { diff --git a/tests/mir-opt/inline/issue_76997_inline_scopes_parenting.rs b/tests/mir-opt/inline/issue_76997_inline_scopes_parenting.rs index 75772c161277..021af7f81bb2 100644 --- a/tests/mir-opt/inline/issue_76997_inline_scopes_parenting.rs +++ b/tests/mir-opt/inline/issue_76997_inline_scopes_parenting.rs @@ -13,6 +13,9 @@ fn main() { // CHECK-NEXT: } // CHECK-NEXT: } // CHECK-NEXT: } - let f = |x| { let y = x; y }; + let f = |x| { + let y = x; + y + }; f(()) } diff --git a/tests/mir-opt/instsimplify/combine_array_len.rs b/tests/mir-opt/instsimplify/combine_array_len.rs index 86455e8b52d5..f12284f64821 100644 --- a/tests/mir-opt/instsimplify/combine_array_len.rs +++ b/tests/mir-opt/instsimplify/combine_array_len.rs @@ -7,9 +7,9 @@ fn norm2(x: [f32; 2]) -> f32 { // CHECK-NOT: Len( let a = x[0]; let b = x[1]; - a*a + b*b + a * a + b * b } fn main() { - assert_eq!(norm2([3.0, 4.0]), 5.0*5.0); + assert_eq!(norm2([3.0, 4.0]), 5.0 * 5.0); } diff --git a/tests/mir-opt/instsimplify/combine_transmutes.rs b/tests/mir-opt/instsimplify/combine_transmutes.rs index 0be7466001fe..c3622c20697a 100644 --- a/tests/mir-opt/instsimplify/combine_transmutes.rs +++ b/tests/mir-opt/instsimplify/combine_transmutes.rs @@ -5,7 +5,7 @@ #![feature(custom_mir)] use std::intrinsics::mir::*; -use std::mem::{MaybeUninit, ManuallyDrop, transmute}; +use std::mem::{transmute, ManuallyDrop, MaybeUninit}; // EMIT_MIR combine_transmutes.identity_transmutes.InstSimplify.diff pub unsafe fn identity_transmutes() { @@ -61,4 +61,7 @@ pub unsafe fn adt_transmutes() { let _a: ManuallyDrop = transmute(MaybeUninit::::uninit()); } -pub union Union32 { u32: u32, i32: i32 } +pub union Union32 { + u32: u32, + i32: i32, +} diff --git a/tests/mir-opt/issue_104451_unwindable_intrinsics.rs b/tests/mir-opt/issue_104451_unwindable_intrinsics.rs index cd068f122367..80655a583c34 100644 --- a/tests/mir-opt/issue_104451_unwindable_intrinsics.rs +++ b/tests/mir-opt/issue_104451_unwindable_intrinsics.rs @@ -5,9 +5,7 @@ // EMIT_MIR issue_104451_unwindable_intrinsics.main.AbortUnwindingCalls.after.mir fn main() { - unsafe { - core::intrinsics::const_eval_select((), ow_ct, ow_ct) - } + unsafe { core::intrinsics::const_eval_select((), ow_ct, ow_ct) } } const fn ow_ct() -> ! { diff --git a/tests/mir-opt/issue_41110.rs b/tests/mir-opt/issue_41110.rs index 38602d5eaef4..5d042815f3b4 100644 --- a/tests/mir-opt/issue_41110.rs +++ b/tests/mir-opt/issue_41110.rs @@ -3,7 +3,6 @@ // check that we don't emit multiple drop flags when they are not needed. - // EMIT_MIR issue_41110.main.ElaborateDrops.diff fn main() { let x = S.other(S.id()); @@ -21,11 +20,12 @@ pub fn test() { struct S; impl Drop for S { - fn drop(&mut self) { - } + fn drop(&mut self) {} } impl S { - fn id(self) -> Self { self } + fn id(self) -> Self { + self + } fn other(self, s: Self) {} } diff --git a/tests/mir-opt/issue_41697.rs b/tests/mir-opt/issue_41697.rs index 92d382c39407..b031f1dc7201 100644 --- a/tests/mir-opt/issue_41697.rs +++ b/tests/mir-opt/issue_41697.rs @@ -14,9 +14,8 @@ trait Foo { fn get(&self) -> [u8; 2]; } - // EMIT_MIR issue_41697.{impl#0}-{constant#0}.SimplifyCfg-promote-consts.after.mir -impl Foo for [u8; 1+1] { +impl Foo for [u8; 1 + 1] { fn get(&self) -> [u8; 2] { *self } @@ -33,7 +32,7 @@ fn unsize_nested_fat_ptr(x: Arc) -> Arc { } fn main() { - let x: Box> = Box::new(Bar([1,2])); + let x: Box> = Box::new(Bar([1, 2])); assert_eq!(unsize_fat_ptr(&*x).0.get(), [1, 2]); let x: Arc = Arc::new([3, 4]); diff --git a/tests/mir-opt/issue_41697.{impl#0}-{constant#0}.SimplifyCfg-promote-consts.after.mir b/tests/mir-opt/issue_41697.{impl#0}-{constant#0}.SimplifyCfg-promote-consts.after.mir index 7d2e97f8d564..27a5a8dd5526 100644 --- a/tests/mir-opt/issue_41697.{impl#0}-{constant#0}.SimplifyCfg-promote-consts.after.mir +++ b/tests/mir-opt/issue_41697.{impl#0}-{constant#0}.SimplifyCfg-promote-consts.after.mir @@ -1,6 +1,6 @@ -// MIR for `::{constant#0}` after SimplifyCfg-promote-consts +// MIR for `::{constant#0}` after SimplifyCfg-promote-consts -::{constant#0}: usize = { +::{constant#0}: usize = { let mut _0: usize; let mut _1: (usize, bool); diff --git a/tests/mir-opt/issue_41888.rs b/tests/mir-opt/issue_41888.rs index 70b202186336..1744d9f85701 100644 --- a/tests/mir-opt/issue_41888.rs +++ b/tests/mir-opt/issue_41888.rs @@ -15,11 +15,13 @@ fn main() { } } -fn cond() -> bool { false } +fn cond() -> bool { + false +} struct K; enum E { F(K), - G(Box) + G(Box), } diff --git a/tests/mir-opt/issue_72181.rs b/tests/mir-opt/issue_72181.rs index 3748c2af83d2..dea8ecbd3ec7 100644 --- a/tests/mir-opt/issue_72181.rs +++ b/tests/mir-opt/issue_72181.rs @@ -9,16 +9,18 @@ enum Never {} union Foo { a: u64, - b: Never + b: Never, } - // EMIT_MIR issue_72181.foo.built.after.mir -fn foo(xs: [(Never, u32); 1]) -> u32 { xs[0].1 } +fn foo(xs: [(Never, u32); 1]) -> u32 { + xs[0].1 +} // EMIT_MIR issue_72181.bar.built.after.mir -fn bar([(_, x)]: [(Never, u32); 1]) -> u32 { x } - +fn bar([(_, x)]: [(Never, u32); 1]) -> u32 { + x +} // EMIT_MIR issue_72181.main.built.after.mir fn main() { diff --git a/tests/mir-opt/issue_72181_1.rs b/tests/mir-opt/issue_72181_1.rs index 32e946559d77..5c8346166aec 100644 --- a/tests/mir-opt/issue_72181_1.rs +++ b/tests/mir-opt/issue_72181_1.rs @@ -14,9 +14,7 @@ fn f(v: Void) -> ! { // EMIT_MIR issue_72181_1.main.built.after.mir fn main() { - let v: Void = unsafe { - std::mem::transmute::<(), Void>(()) - }; + let v: Void = unsafe { std::mem::transmute::<(), Void>(()) }; f(v); } diff --git a/tests/mir-opt/issue_91633.rs b/tests/mir-opt/issue_91633.rs index f7d59f5adfb6..d24c2e19aa73 100644 --- a/tests/mir-opt/issue_91633.rs +++ b/tests/mir-opt/issue_91633.rs @@ -1,32 +1,30 @@ // skip-filecheck //@ compile-flags: -Z mir-opt-level=0 // EMIT_MIR issue_91633.hey.built.after.mir -fn hey (it: &[T]) - where - [T] : std::ops::Index, - { - let _ = &it[0]; - } +fn hey(it: &[T]) +where + [T]: std::ops::Index, +{ + let _ = &it[0]; +} // EMIT_MIR issue_91633.bar.built.after.mir -fn bar (it: Box<[T]>) - where - [T] : std::ops::Index, - { - let _ = it[0]; - } +fn bar(it: Box<[T]>) +where + [T]: std::ops::Index, +{ + let _ = it[0]; +} // EMIT_MIR issue_91633.fun.built.after.mir -fn fun (it: &[T]) -> &T - { - let f = &it[0]; - f - } +fn fun(it: &[T]) -> &T { + let f = &it[0]; + f +} // EMIT_MIR issue_91633.foo.built.after.mir -fn foo (it: Box<[T]>) -> T - { - let f = it[0].clone(); - f - } - fn main(){} +fn foo(it: Box<[T]>) -> T { + let f = it[0].clone(); + f +} +fn main() {} diff --git a/tests/mir-opt/issues/issue_75439.rs b/tests/mir-opt/issues/issue_75439.rs index 8c710a33aa8e..ea763dd1b10d 100644 --- a/tests/mir-opt/issues/issue_75439.rs +++ b/tests/mir-opt/issues/issue_75439.rs @@ -8,11 +8,7 @@ pub fn foo(bytes: [u8; 16]) -> Option<[u8; 4]> { // big endian `u32`s let dwords: [u32; 4] = unsafe { transmute(bytes) }; const FF: u32 = 0x0000_ffff_u32.to_be(); - if let [0, 0, 0 | FF, ip] = dwords { - Some(unsafe { transmute(ip) }) - } else { - None - } + if let [0, 0, 0 | FF, ip] = dwords { Some(unsafe { transmute(ip) }) } else { None } } fn main() { diff --git a/tests/mir-opt/jump_threading.rs b/tests/mir-opt/jump_threading.rs index 3ab155fdc9e7..b4c133716800 100644 --- a/tests/mir-opt/jump_threading.rs +++ b/tests/mir-opt/jump_threading.rs @@ -330,11 +330,7 @@ fn mutable_ref() -> bool { let a = std::ptr::addr_of_mut!(x); x = 7; unsafe { *a = 8 }; - if x == 7 { - true - } else { - false - } + if x == 7 { true } else { false } } /// This function has 2 TOs: 1-3-4 and 0-1-3-4-6. @@ -461,11 +457,7 @@ fn aggregate(x: u8) -> u8 { const FOO: (u8, u8) = (5, 13); let (a, b) = FOO; - if a == 7 { - b - } else { - a - } + if a == 7 { b } else { a } } /// Verify that we can leverage the existence of an `Assume` terminator. diff --git a/tests/mir-opt/lower_array_len.rs b/tests/mir-opt/lower_array_len.rs index 1c30c4c89b96..62fc9ef67d66 100644 --- a/tests/mir-opt/lower_array_len.rs +++ b/tests/mir-opt/lower_array_len.rs @@ -7,11 +7,7 @@ pub fn array_bound(index: usize, slice: &[u8; N]) -> u8 { // CHECK-LABEL: fn array_bound( // CHECK: [[len:_.*]] = const N; // CHECK: Lt(move {{_.*}}, move [[len]]); - if index < slice.len() { - slice[index] - } else { - 42 - } + if index < slice.len() { slice[index] } else { 42 } } // EMIT_MIR lower_array_len.array_bound_mut.NormalizeArrayLen.diff diff --git a/tests/mir-opt/lower_slice_len.rs b/tests/mir-opt/lower_slice_len.rs index b82094dc18f9..6fd7e4bf72cd 100644 --- a/tests/mir-opt/lower_slice_len.rs +++ b/tests/mir-opt/lower_slice_len.rs @@ -5,11 +5,7 @@ pub fn bound(index: usize, slice: &[u8]) -> u8 { // CHECK-LABEL: fn bound( // CHECK-NOT: ::len( - if index < slice.len() { - slice[index] - } else { - 42 - } + if index < slice.len() { slice[index] } else { 42 } } fn main() { diff --git a/tests/mir-opt/matches_u8.rs b/tests/mir-opt/matches_u8.rs index f0be82d02571..86d646256742 100644 --- a/tests/mir-opt/matches_u8.rs +++ b/tests/mir-opt/matches_u8.rs @@ -1,7 +1,6 @@ // skip-filecheck //@ test-mir-pass: MatchBranchSimplification - // EMIT_MIR matches_u8.exhaustive_match.MatchBranchSimplification.diff // EMIT_MIR matches_u8.exhaustive_match_i8.MatchBranchSimplification.diff @@ -27,9 +26,9 @@ pub fn exhaustive_match_i8(e: E) -> i8 { } fn main() { - assert_eq!(exhaustive_match(E::A), 0); - assert_eq!(exhaustive_match(E::B), 1); + assert_eq!(exhaustive_match(E::A), 0); + assert_eq!(exhaustive_match(E::B), 1); - assert_eq!(exhaustive_match_i8(E::A), 0); - assert_eq!(exhaustive_match_i8(E::B), 1); + assert_eq!(exhaustive_match_i8(E::A), 0); + assert_eq!(exhaustive_match_i8(E::B), 1); } diff --git a/tests/mir-opt/nll/named_lifetimes_basic.rs b/tests/mir-opt/nll/named_lifetimes_basic.rs index cc8385370038..93f4a8bfd598 100644 --- a/tests/mir-opt/nll/named_lifetimes_basic.rs +++ b/tests/mir-opt/nll/named_lifetimes_basic.rs @@ -10,7 +10,8 @@ #![allow(warnings)] // EMIT_MIR named_lifetimes_basic.use_x.nll.0.mir -fn use_x<'a, 'b: 'a, 'c>(w: &'a mut i32, x: &'b u32, y: &'a u32, z: &'c u32) -> bool { true } - -fn main() { +fn use_x<'a, 'b: 'a, 'c>(w: &'a mut i32, x: &'b u32, y: &'a u32, z: &'c u32) -> bool { + true } + +fn main() {} diff --git a/tests/mir-opt/nrvo_simple.rs b/tests/mir-opt/nrvo_simple.rs index 5d2894a704a5..df540472e1cc 100644 --- a/tests/mir-opt/nrvo_simple.rs +++ b/tests/mir-opt/nrvo_simple.rs @@ -10,5 +10,7 @@ fn nrvo(init: fn(&mut [u8; 1024])) -> [u8; 1024] { } fn main() { - let _ = nrvo(|buf| { buf[4] = 4; }); + let _ = nrvo(|buf| { + buf[4] = 4; + }); } diff --git a/tests/mir-opt/packed_struct_drop_aligned.rs b/tests/mir-opt/packed_struct_drop_aligned.rs index dff941c4fa0c..3abc6426e7f0 100644 --- a/tests/mir-opt/packed_struct_drop_aligned.rs +++ b/tests/mir-opt/packed_struct_drop_aligned.rs @@ -1,7 +1,6 @@ // skip-filecheck // EMIT_MIR_FOR_EACH_PANIC_STRATEGY - // EMIT_MIR packed_struct_drop_aligned.main.SimplifyCfg-pre-optimizations.after.mir fn main() { let mut x = Packed(Aligned(Droppy(0))); diff --git a/tests/mir-opt/pre-codegen/intrinsics.rs b/tests/mir-opt/pre-codegen/intrinsics.rs index e5c059cda12e..0482b85e95f8 100644 --- a/tests/mir-opt/pre-codegen/intrinsics.rs +++ b/tests/mir-opt/pre-codegen/intrinsics.rs @@ -12,7 +12,6 @@ pub fn f_unit() { f_dispatch(()); } - // EMIT_MIR intrinsics.f_u64.PreCodegen.after.mir pub fn f_u64() { f_dispatch(0u64); @@ -28,8 +27,7 @@ pub fn f_dispatch(t: T) { } #[inline(never)] -pub fn f_zst(_t: T) { -} +pub fn f_zst(_t: T) {} #[inline(never)] pub fn f_non_zst(_t: T) {} diff --git a/tests/mir-opt/pre-codegen/optimizes_into_variable.rs b/tests/mir-opt/pre-codegen/optimizes_into_variable.rs index 7a1fb1e76c03..de5e2d5c3121 100644 --- a/tests/mir-opt/pre-codegen/optimizes_into_variable.rs +++ b/tests/mir-opt/pre-codegen/optimizes_into_variable.rs @@ -15,5 +15,5 @@ struct Point { fn main() { let x = 2 + 2; let y = [0, 1, 2, 3, 4, 5][3]; - let z = (Point { x: 12, y: 42}).y; + let z = (Point { x: 12, y: 42 }).y; } diff --git a/tests/mir-opt/pre-codegen/try_identity.rs b/tests/mir-opt/pre-codegen/try_identity.rs index 2e17a3ae6e7e..264b303e381d 100644 --- a/tests/mir-opt/pre-codegen/try_identity.rs +++ b/tests/mir-opt/pre-codegen/try_identity.rs @@ -17,18 +17,16 @@ fn new(x: Result) -> Result { } { ControlFlow::Continue(v) => v, ControlFlow::Break(e) => return Err(e), - } + }, ) } // EMIT_MIR try_identity.old.PreCodegen.after.mir fn old(x: Result) -> Result { - Ok( - match x { - Ok(v) => v, - Err(e) => return Err(e), - } - ) + Ok(match x { + Ok(v) => v, + Err(e) => return Err(e), + }) } fn main() { diff --git a/tests/mir-opt/reference_prop.rs b/tests/mir-opt/reference_prop.rs index 678a7c81084b..58d8b524ad64 100644 --- a/tests/mir-opt/reference_prop.rs +++ b/tests/mir-opt/reference_prop.rs @@ -787,7 +787,9 @@ fn mut_raw_then_mut_shr() -> (i32, i32) { let xshr = &*xref; // Verify that we completely replace with `x` in both cases. let a = *xshr; - unsafe { *xraw = 4; } + unsafe { + *xraw = 4; + } (a, x) } @@ -842,8 +844,7 @@ fn debuginfo() { // `constant_index_from_end` and `subslice` should not be promoted, as their value depends // on the slice length. - if let [_, ref constant_index, subslice @ .., ref constant_index_from_end] = &[6; 10][..] { - } + if let [_, ref constant_index, subslice @ .., ref constant_index_from_end] = &[6; 10][..] {} let multiple_borrow = &&&mut T(6).0; } diff --git a/tests/mir-opt/retag.rs b/tests/mir-opt/retag.rs index 43d74aa5726f..001c55991383 100644 --- a/tests/mir-opt/retag.rs +++ b/tests/mir-opt/retag.rs @@ -59,7 +59,9 @@ pub fn main() { fn array_casts() { let mut x: [usize; 2] = [0, 0]; let p = &mut x as *mut usize; - unsafe { *p.add(1) = 1; } + unsafe { + *p.add(1) = 1; + } let x: [usize; 2] = [0, 1]; let p = &x as *const usize; diff --git a/tests/mir-opt/return_an_array.rs b/tests/mir-opt/return_an_array.rs index 09146a824fcd..673b5df7d730 100644 --- a/tests/mir-opt/return_an_array.rs +++ b/tests/mir-opt/return_an_array.rs @@ -2,8 +2,8 @@ // this tests move up progration, which is not yet implemented fn foo() -> [u8; 1024] { - let x = [0; 1024]; - return x; + let x = [0; 1024]; + return x; } -fn main() { } +fn main() {} diff --git a/tests/mir-opt/simplify_locals.rs b/tests/mir-opt/simplify_locals.rs index f57611111cfc..6511b5e87e47 100644 --- a/tests/mir-opt/simplify_locals.rs +++ b/tests/mir-opt/simplify_locals.rs @@ -1,13 +1,12 @@ // skip-filecheck //@ test-mir-pass: SimplifyLocals-before-const-prop - #![feature(thread_local)] #[derive(Copy, Clone)] enum E { - A, - B, + A, + B, } // EMIT_MIR simplify_locals.c.SimplifyLocals-before-const-prop.diff @@ -26,7 +25,7 @@ fn d1() { // EMIT_MIR simplify_locals.d2.SimplifyLocals-before-const-prop.diff fn d2() { // Unused set discriminant - {(10, E::A)}.1 = E::B; + { (10, E::A) }.1 = E::B; } // EMIT_MIR simplify_locals.r.SimplifyLocals-before-const-prop.diff @@ -37,7 +36,8 @@ fn r() { let _ = &mut a; } -#[thread_local] static mut X: u32 = 0; +#[thread_local] +static mut X: u32 = 0; // EMIT_MIR simplify_locals.t1.SimplifyLocals-before-const-prop.diff fn t1() { diff --git a/tests/mir-opt/simplify_locals_fixedpoint.rs b/tests/mir-opt/simplify_locals_fixedpoint.rs index 6947d31dc3e1..0b6c95630c0a 100644 --- a/tests/mir-opt/simplify_locals_fixedpoint.rs +++ b/tests/mir-opt/simplify_locals_fixedpoint.rs @@ -4,9 +4,7 @@ fn foo() { if let (Some(a), None) = (Option::::None, Option::::None) { - if a > 42u8 { - - } + if a > 42u8 {} } } diff --git a/tests/mir-opt/simplify_match.rs b/tests/mir-opt/simplify_match.rs index 2eac93edbb8e..b035b6339fae 100644 --- a/tests/mir-opt/simplify_match.rs +++ b/tests/mir-opt/simplify_match.rs @@ -5,8 +5,11 @@ fn noop() {} // EMIT_MIR simplify_match.main.GVN.diff fn main() { - match { let x = false; x } { + match { + let x = false; + x + } { true => noop(), - false => {}, + false => {} } } diff --git a/tests/mir-opt/sroa/lifetimes.rs b/tests/mir-opt/sroa/lifetimes.rs index 6c18dbaf5a23..90aa2a10938e 100644 --- a/tests/mir-opt/sroa/lifetimes.rs +++ b/tests/mir-opt/sroa/lifetimes.rs @@ -19,10 +19,7 @@ fn foo() { // CHECK-NOT: [foo:_.*]: Foo // CHECK-NOT: Box - let foo: Foo = Foo { - x: Ok(Box::new(5_u32)), - y: 7_u32, - }; + let foo: Foo = Foo { x: Ok(Box::new(5_u32)), y: 7_u32 }; let x = foo.x; let y = foo.y; diff --git a/tests/mir-opt/uninhabited_enum.rs b/tests/mir-opt/uninhabited_enum.rs index 8816f31f9dfa..859535852cf0 100644 --- a/tests/mir-opt/uninhabited_enum.rs +++ b/tests/mir-opt/uninhabited_enum.rs @@ -6,15 +6,15 @@ pub enum Void {} // EMIT_MIR uninhabited_enum.process_never.SimplifyLocals-final.after.mir #[no_mangle] pub fn process_never(input: *const !) { - let _input = unsafe { &*input }; + let _input = unsafe { &*input }; } // EMIT_MIR uninhabited_enum.process_void.SimplifyLocals-final.after.mir #[no_mangle] pub fn process_void(input: *const Void) { - let _input = unsafe { &*input }; - // In the future, this should end with `unreachable`, but we currently only do - // unreachability analysis for `!`. + let _input = unsafe { &*input }; + // In the future, this should end with `unreachable`, but we currently only do + // unreachability analysis for `!`. } fn main() {} diff --git a/tests/mir-opt/unnamed-fields/field_access.rs b/tests/mir-opt/unnamed-fields/field_access.rs index 5badfa1646bc..cc0ac9a34274 100644 --- a/tests/mir-opt/unnamed-fields/field_access.rs +++ b/tests/mir-opt/unnamed-fields/field_access.rs @@ -17,7 +17,7 @@ struct Foo { _: struct { d: [u8; 1], } - } + }, } #[repr(C)] @@ -31,10 +31,9 @@ union Bar { _: union { d: [u8; 1], } - } + }, } - fn access(_: T) {} // CHECK-LABEL: fn foo( @@ -71,5 +70,4 @@ fn bar(bar: Bar) { } } - fn main() {} diff --git a/tests/mir-opt/unreachable.rs b/tests/mir-opt/unreachable.rs index 5838b35a553a..881e3542f0ac 100644 --- a/tests/mir-opt/unreachable.rs +++ b/tests/mir-opt/unreachable.rs @@ -35,7 +35,7 @@ fn if_let() { _y = 42; } - match _x { } + match _x {} } } @@ -56,7 +56,7 @@ fn as_match() { // CHECK: return; match empty() { None => {} - Some(_x) => match _x {} + Some(_x) => match _x {}, } } diff --git a/tests/mir-opt/unusual_item_types.rs b/tests/mir-opt/unusual_item_types.rs index 788475431044..2f05981e812e 100644 --- a/tests/mir-opt/unusual_item_types.rs +++ b/tests/mir-opt/unusual_item_types.rs @@ -3,7 +3,6 @@ // that we don't create filenames containing `<` and `>` //@ compile-flags: -Zmir-opt-level=0 - struct A; // EMIT_MIR unusual_item_types.{impl#0}-ASSOCIATED_CONSTANT.built.after.mir @@ -23,8 +22,8 @@ enum E { V = 5, } +// EMIT_MIR core.ptr-drop_in_place.Vec_i32_.AddMovesForPackedDrops.before.mir pub fn main() { let f = Test::X as fn(usize) -> Test; -// EMIT_MIR core.ptr-drop_in_place.Vec_i32_.AddMovesForPackedDrops.before.mir let v = Vec::::new(); } diff --git a/tests/mir-opt/unusual_item_types.{impl#0}-ASSOCIATED_CONSTANT.built.after.mir b/tests/mir-opt/unusual_item_types.{impl#0}-ASSOCIATED_CONSTANT.built.after.mir index a5121ae550d6..e2edbfcd4fa3 100644 --- a/tests/mir-opt/unusual_item_types.{impl#0}-ASSOCIATED_CONSTANT.built.after.mir +++ b/tests/mir-opt/unusual_item_types.{impl#0}-ASSOCIATED_CONSTANT.built.after.mir @@ -1,6 +1,6 @@ -// MIR for `::ASSOCIATED_CONSTANT` after built +// MIR for `::ASSOCIATED_CONSTANT` after built -const ::ASSOCIATED_CONSTANT: i32 = { +const ::ASSOCIATED_CONSTANT: i32 = { let mut _0: i32; bb0: { From 92f85f12a82ac23b794dcdd58a76b0ae7519951c Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Mon, 3 Jun 2024 06:58:30 +0300 Subject: [PATCH 0877/1716] wipe bootstrap build before switching to bumped rustc Technically, wiping bootstrap builds can increase the build time. But in practice, trying to manually resolve post-bump issues and even accidentally removing the entire build directory will result in a much greater loss of time. After all, the bootstrap build process is not a particularly lengthy operation. Signed-off-by: onur-ozkan --- src/bootstrap/bootstrap.py | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/src/bootstrap/bootstrap.py b/src/bootstrap/bootstrap.py index e60e8f0aa1f7..9861121aac0a 100644 --- a/src/bootstrap/bootstrap.py +++ b/src/bootstrap/bootstrap.py @@ -599,6 +599,12 @@ class RustBuild(object): print('Choosing a pool size of', pool_size, 'for the unpacking of the tarballs') p = Pool(pool_size) try: + # FIXME: A cheap workaround for https://github.com/rust-lang/rust/issues/125578, + # remove this once the issue is closed. + bootstrap_out = self.bootstrap_out() + if os.path.exists(bootstrap_out): + shutil.rmtree(bootstrap_out) + p.map(unpack_component, tarballs_download_info) finally: p.close() @@ -864,6 +870,16 @@ class RustBuild(object): return line[start + 1:end] return None + def bootstrap_out(self): + """Return the path of the bootstrap build artifacts + + >>> rb = RustBuild() + >>> rb.build_dir = "build" + >>> rb.bootstrap_binary() == os.path.join("build", "bootstrap") + True + """ + return os.path.join(self.build_dir, "bootstrap") + def bootstrap_binary(self): """Return the path of the bootstrap binary @@ -873,7 +889,7 @@ class RustBuild(object): ... "debug", "bootstrap") True """ - return os.path.join(self.build_dir, "bootstrap", "debug", "bootstrap") + return os.path.join(self.bootstrap_out(), "debug", "bootstrap") def build_bootstrap(self): """Build bootstrap""" From b2949ff9118715ce26af3c0b023921ca855ca772 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Le=C3=B3n=20Orell=20Valerian=20Liehr?= Date: Mon, 3 Jun 2024 07:17:19 +0200 Subject: [PATCH 0878/1716] Spruce up the diagnostics of some early lints --- compiler/rustc_expand/messages.ftl | 2 +- compiler/rustc_lint/messages.ftl | 12 ++++++---- .../rustc_lint/src/context/diagnostics.rs | 5 ++-- compiler/rustc_lint/src/lints.rs | 4 ++++ compiler/rustc_lint_defs/src/builtin.rs | 9 +++---- compiler/rustc_lint_defs/src/lib.rs | 5 +++- compiler/rustc_resolve/src/imports.rs | 24 ++++++++++++------- tests/ui/extern-flag/no-nounused.rs | 2 +- tests/ui/extern-flag/no-nounused.stderr | 3 ++- .../macros/issue-61053-missing-repetition.rs | 6 ++--- .../issue-61053-missing-repetition.stderr | 6 ++--- .../rfc-3086-metavar-expr/syntax-errors.rs | 2 +- .../syntax-errors.stderr | 2 +- tests/ui/parser/macro/macro-repeat.stderr | 4 ++-- .../ui/pub/pub-reexport-priv-extern-crate.rs | 2 +- .../pub/pub-reexport-priv-extern-crate.stderr | 6 ++++- .../ui/rust-2018/macro-use-warned-against.rs | 2 +- .../rust-2018/macro-use-warned-against.stderr | 3 ++- tests/ui/unused-crate-deps/deny-attr.rs | 2 +- tests/ui/unused-crate-deps/deny-attr.stderr | 3 ++- tests/ui/unused-crate-deps/deny-cmdline.rs | 2 +- .../ui/unused-crate-deps/deny-cmdline.stderr | 3 ++- tests/ui/unused-crate-deps/libfib.rs | 2 +- tests/ui/unused-crate-deps/libfib.stderr | 3 ++- tests/ui/unused-crate-deps/unused-aliases.rs | 2 +- .../unused-crate-deps/unused-aliases.stderr | 3 ++- tests/ui/unused-crate-deps/warn-attr.rs | 2 +- tests/ui/unused-crate-deps/warn-attr.stderr | 3 ++- .../unused-crate-deps/warn-cmdline-static.rs | 2 +- .../warn-cmdline-static.stderr | 3 ++- tests/ui/unused-crate-deps/warn-cmdline.rs | 2 +- .../ui/unused-crate-deps/warn-cmdline.stderr | 3 ++- 32 files changed, 83 insertions(+), 51 deletions(-) diff --git a/compiler/rustc_expand/messages.ftl b/compiler/rustc_expand/messages.ftl index 530b37aadb1f..2959589f474d 100644 --- a/compiler/rustc_expand/messages.ftl +++ b/compiler/rustc_expand/messages.ftl @@ -154,7 +154,7 @@ expand_unsupported_key_value = key-value macro attributes are not supported expand_var_still_repeating = - variable '{$ident}' is still repeating at this depth + variable `{$ident}` is still repeating at this depth expand_wrong_fragment_kind = non-{$kind} macro in {$kind} position: {$name} diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index fb71cb601402..14d25a6add75 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -445,7 +445,8 @@ lint_macro_is_private = macro `{$ident}` is private lint_macro_rule_never_used = rule #{$n} of macro `{$name}` is never used lint_macro_use_deprecated = - deprecated `#[macro_use]` attribute used to import macros should be replaced at use sites with a `use` item to import the macro instead + applying the `#[macro_use]` attribute to an `extern crate` item is deprecated + .help = remove it and import macros at use sites with a `use` item instead lint_malformed_attribute = malformed lint attribute input @@ -456,7 +457,7 @@ lint_map_unit_fn = `Iterator::map` call that discard the iterator's values .map_label = after this call to map, the resulting iterator is `impl Iterator`, which means the only information carried by the iterator is the number of items .suggestion = you might have meant to use `Iterator::for_each` -lint_metavariable_still_repeating = variable '{$name}' is still repeating at this depth +lint_metavariable_still_repeating = variable `{$name}` is still repeating at this depth lint_metavariable_wrong_operator = meta-variable repeats with different Kleene operator @@ -632,8 +633,8 @@ lint_pattern_in_bodiless = patterns aren't allowed in functions without bodies lint_pattern_in_foreign = patterns aren't allowed in foreign function declarations .label = pattern not allowed in foreign function -lint_private_extern_crate_reexport = - extern crate `{$ident}` is private, and cannot be re-exported, consider declaring with `pub` +lint_private_extern_crate_reexport = extern crate `{$ident}` is private and cannot be re-exported + .suggestion = consider making the `extern crate` item publicly accessible lint_proc_macro_back_compat = using an old version of `{$crate_name}` .note = older versions of the `{$crate_name}` crate will stop compiling in future versions of Rust; please update to `{$crate_name}` v{$fixed_version}, or switch to one of the `{$crate_name}` alternatives @@ -847,7 +848,8 @@ lint_unused_coroutine = }{$post} that must be used .note = coroutines are lazy and do nothing unless resumed -lint_unused_crate_dependency = external crate `{$extern_crate}` unused in `{$local_crate}`: remove the dependency or add `use {$extern_crate} as _;` +lint_unused_crate_dependency = extern crate `{$extern_crate}` is unused in crate `{$local_crate}` + .help = remove the dependency or add `use {$extern_crate} as _;` to the crate root lint_unused_def = unused {$pre}`{$def}`{$post} that must be used .suggestion = use `let _ = ...` to ignore the resulting value diff --git a/compiler/rustc_lint/src/context/diagnostics.rs b/compiler/rustc_lint/src/context/diagnostics.rs index 26f34486a3de..e1676d18b6ee 100644 --- a/compiler/rustc_lint/src/context/diagnostics.rs +++ b/compiler/rustc_lint/src/context/diagnostics.rs @@ -340,8 +340,9 @@ pub(super) fn decorate_lint(sess: &Session, diagnostic: BuiltinLintDiag, diag: & lints::MacroUseDeprecated.decorate_lint(diag); } BuiltinLintDiag::UnusedMacroUse => lints::UnusedMacroUse.decorate_lint(diag), - BuiltinLintDiag::PrivateExternCrateReexport(ident) => { - lints::PrivateExternCrateReexport { ident }.decorate_lint(diag); + BuiltinLintDiag::PrivateExternCrateReexport { source: ident, extern_crate_span } => { + lints::PrivateExternCrateReexport { ident, sugg: extern_crate_span.shrink_to_lo() } + .decorate_lint(diag); } BuiltinLintDiag::UnusedLabel => lints::UnusedLabel.decorate_lint(diag), BuiltinLintDiag::MacroIsPrivate(ident) => { diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index 84d46ef3b65d..31ef2f7da0ba 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -2313,6 +2313,7 @@ pub mod unexpected_cfg_value { #[derive(LintDiagnostic)] #[diag(lint_macro_use_deprecated)] +#[help] pub struct MacroUseDeprecated; #[derive(LintDiagnostic)] @@ -2323,6 +2324,8 @@ pub struct UnusedMacroUse; #[diag(lint_private_extern_crate_reexport, code = E0365)] pub struct PrivateExternCrateReexport { pub ident: Ident, + #[suggestion(code = "pub ", style = "verbose", applicability = "maybe-incorrect")] + pub sugg: Span, } #[derive(LintDiagnostic)] @@ -2416,6 +2419,7 @@ pub struct UnknownMacroVariable { #[derive(LintDiagnostic)] #[diag(lint_unused_crate_dependency)] +#[help] pub struct UnusedCrateDependency { pub extern_crate: Symbol, pub local_crate: Symbol, diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs index 93995fe60a36..d3f2ede8588d 100644 --- a/compiler/rustc_lint_defs/src/builtin.rs +++ b/compiler/rustc_lint_defs/src/builtin.rs @@ -512,8 +512,9 @@ declare_lint! { /// This will produce: /// /// ```text - /// error: external crate `regex` unused in `lint_example`: remove the dependency or add `use regex as _;` + /// error: extern crate `regex` is unused in crate `lint_example` /// | + /// = help: remove the dependency or add `use regex as _;` to the crate root /// note: the lint level is defined here /// --> src/lib.rs:1:9 /// | @@ -2202,8 +2203,7 @@ declare_lint! { } declare_lint! { - /// The `macro_use_extern_crate` lint detects the use of the - /// [`macro_use` attribute]. + /// The `macro_use_extern_crate` lint detects the use of the [`macro_use` attribute]. /// /// ### Example /// @@ -2221,12 +2221,13 @@ declare_lint! { /// This will produce: /// /// ```text - /// error: deprecated `#[macro_use]` attribute used to import macros should be replaced at use sites with a `use` item to import the macro instead + /// error: applying the `#[macro_use]` attribute to an `extern crate` item is deprecated /// --> src/main.rs:3:1 /// | /// 3 | #[macro_use] /// | ^^^^^^^^^^^^ /// | + /// = help: remove it and import macros at use sites with a `use` item instead /// note: the lint level is defined here /// --> src/main.rs:1:9 /// | diff --git a/compiler/rustc_lint_defs/src/lib.rs b/compiler/rustc_lint_defs/src/lib.rs index c8a9fb02bf2e..b5f21bd8be23 100644 --- a/compiler/rustc_lint_defs/src/lib.rs +++ b/compiler/rustc_lint_defs/src/lib.rs @@ -707,7 +707,10 @@ pub enum BuiltinLintDiag { }, MacroUseDeprecated, UnusedMacroUse, - PrivateExternCrateReexport(Ident), + PrivateExternCrateReexport { + source: Ident, + extern_crate_span: Span, + }, UnusedLabel, MacroIsPrivate(Ident), UnusedMacroDefinition(Symbol), diff --git a/compiler/rustc_resolve/src/imports.rs b/compiler/rustc_resolve/src/imports.rs index 6bbde26db344..30cbd730d59d 100644 --- a/compiler/rustc_resolve/src/imports.rs +++ b/compiler/rustc_resolve/src/imports.rs @@ -259,13 +259,18 @@ struct UnresolvedImportError { // Reexports of the form `pub use foo as bar;` where `foo` is `extern crate foo;` // are permitted for backward-compatibility under a deprecation lint. -fn pub_use_of_private_extern_crate_hack(import: Import<'_>, binding: NameBinding<'_>) -> bool { +fn pub_use_of_private_extern_crate_hack( + import: Import<'_>, + binding: NameBinding<'_>, +) -> Option { match (&import.kind, &binding.kind) { - (ImportKind::Single { .. }, NameBindingKind::Import { import: binding_import, .. }) => { - matches!(binding_import.kind, ImportKind::ExternCrate { .. }) - && import.expect_vis().is_public() + (ImportKind::Single { .. }, NameBindingKind::Import { import: binding_import, .. }) + if let ImportKind::ExternCrate { id, .. } = binding_import.kind + && import.expect_vis().is_public() => + { + Some(id) } - _ => false, + _ => None, } } @@ -275,7 +280,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { pub(crate) fn import(&self, binding: NameBinding<'a>, import: Import<'a>) -> NameBinding<'a> { let import_vis = import.expect_vis().to_def_id(); let vis = if binding.vis.is_at_least(import_vis, self.tcx) - || pub_use_of_private_extern_crate_hack(import, binding) + || pub_use_of_private_extern_crate_hack(import, binding).is_some() { import_vis } else { @@ -1253,12 +1258,15 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { // All namespaces must be re-exported with extra visibility for an error to occur. if !any_successful_reexport { let (ns, binding) = reexport_error.unwrap(); - if pub_use_of_private_extern_crate_hack(import, binding) { + if let Some(extern_crate_id) = pub_use_of_private_extern_crate_hack(import, binding) { self.lint_buffer.buffer_lint( PUB_USE_OF_PRIVATE_EXTERN_CRATE, import_id, import.span, - BuiltinLintDiag::PrivateExternCrateReexport(ident), + BuiltinLintDiag::PrivateExternCrateReexport { + source: ident, + extern_crate_span: self.tcx.source_span(self.local_def_id(extern_crate_id)), + }, ); } else { if ns == TypeNS { diff --git a/tests/ui/extern-flag/no-nounused.rs b/tests/ui/extern-flag/no-nounused.rs index bed8006542ca..30b663398763 100644 --- a/tests/ui/extern-flag/no-nounused.rs +++ b/tests/ui/extern-flag/no-nounused.rs @@ -2,5 +2,5 @@ //@ compile-flags: -Zunstable-options -Dunused-crate-dependencies //@ edition:2018 -fn main() { //~ ERROR external crate `somedep` unused in `no_nounused` +fn main() { //~ ERROR extern crate `somedep` is unused in crate `no_nounused` } diff --git a/tests/ui/extern-flag/no-nounused.stderr b/tests/ui/extern-flag/no-nounused.stderr index 171079287f0b..2b42e851561a 100644 --- a/tests/ui/extern-flag/no-nounused.stderr +++ b/tests/ui/extern-flag/no-nounused.stderr @@ -1,9 +1,10 @@ -error: external crate `somedep` unused in `no_nounused`: remove the dependency or add `use somedep as _;` +error: extern crate `somedep` is unused in crate `no_nounused` --> $DIR/no-nounused.rs:5:1 | LL | fn main() { | ^ | + = help: remove the dependency or add `use somedep as _;` to the crate root = note: requested on the command line with `-D unused-crate-dependencies` error: aborting due to 1 previous error diff --git a/tests/ui/macros/issue-61053-missing-repetition.rs b/tests/ui/macros/issue-61053-missing-repetition.rs index 6b36c730b825..77c94f24171a 100644 --- a/tests/ui/macros/issue-61053-missing-repetition.rs +++ b/tests/ui/macros/issue-61053-missing-repetition.rs @@ -3,7 +3,7 @@ macro_rules! foo { () => {}; ($( $i:ident = $($j:ident),+ );*) => { $( $i = $j; )* }; - //~^ ERROR variable 'j' is still repeating + //~^ ERROR variable `j` is still repeating } macro_rules! bar { @@ -12,12 +12,12 @@ macro_rules! bar { macro_rules! nested { () => {}; ($( $i:ident = $($j:ident),+ );*) => { $( $i = $j; )* }; - //~^ ERROR variable 'j' is still repeating + //~^ ERROR variable `j` is still repeating } }; ( $( $i:ident = $($j:ident),+ );* ) => { $(macro_rules! $i { - () => { $j }; //~ ERROR variable 'j' is still repeating + () => { $j }; //~ ERROR variable `j` is still repeating })* }; } diff --git a/tests/ui/macros/issue-61053-missing-repetition.stderr b/tests/ui/macros/issue-61053-missing-repetition.stderr index 738f711f04e1..ba254401f17d 100644 --- a/tests/ui/macros/issue-61053-missing-repetition.stderr +++ b/tests/ui/macros/issue-61053-missing-repetition.stderr @@ -1,4 +1,4 @@ -error: variable 'j' is still repeating at this depth +error: variable `j` is still repeating at this depth --> $DIR/issue-61053-missing-repetition.rs:5:52 | LL | ($( $i:ident = $($j:ident),+ );*) => { $( $i = $j; )* }; @@ -12,7 +12,7 @@ note: the lint level is defined here LL | #![deny(meta_variable_misuse)] | ^^^^^^^^^^^^^^^^^^^^ -error: variable 'j' is still repeating at this depth +error: variable `j` is still repeating at this depth --> $DIR/issue-61053-missing-repetition.rs:14:60 | LL | ($( $i:ident = $($j:ident),+ );*) => { $( $i = $j; )* }; @@ -20,7 +20,7 @@ LL | ($( $i:ident = $($j:ident),+ );*) => { $( $i = $j; )* }; | | | expected repetition -error: variable 'j' is still repeating at this depth +error: variable `j` is still repeating at this depth --> $DIR/issue-61053-missing-repetition.rs:20:21 | LL | ( $( $i:ident = $($j:ident),+ );* ) => { diff --git a/tests/ui/macros/rfc-3086-metavar-expr/syntax-errors.rs b/tests/ui/macros/rfc-3086-metavar-expr/syntax-errors.rs index 9fec546ecd65..1eda5f5bb6bc 100644 --- a/tests/ui/macros/rfc-3086-metavar-expr/syntax-errors.rs +++ b/tests/ui/macros/rfc-3086-metavar-expr/syntax-errors.rs @@ -35,7 +35,7 @@ macro_rules! no_curly__no_rhs_dollar__no_round { #[rustfmt::skip] // autoformatters can break a few of the error traces macro_rules! no_curly__rhs_dollar__round { ( $( $i:ident ),* ) => { count($i) }; - //~^ ERROR variable 'i' is still repeating at this depth + //~^ ERROR variable `i` is still repeating at this depth } #[rustfmt::skip] // autoformatters can break a few of the error traces diff --git a/tests/ui/macros/rfc-3086-metavar-expr/syntax-errors.stderr b/tests/ui/macros/rfc-3086-metavar-expr/syntax-errors.stderr index e9cef5ec6cc9..3fa3839bae2e 100644 --- a/tests/ui/macros/rfc-3086-metavar-expr/syntax-errors.stderr +++ b/tests/ui/macros/rfc-3086-metavar-expr/syntax-errors.stderr @@ -208,7 +208,7 @@ error: `count` can not be placed inside the inner-most repetition LL | ( $i:ident ) => { ${ count($i) } }; | ^^^^^^^^^^^^^ -error: variable 'i' is still repeating at this depth +error: variable `i` is still repeating at this depth --> $DIR/syntax-errors.rs:37:36 | LL | ( $( $i:ident ),* ) => { count($i) }; diff --git a/tests/ui/parser/macro/macro-repeat.stderr b/tests/ui/parser/macro/macro-repeat.stderr index ade2bbf9b0b0..ba722ab6cf98 100644 --- a/tests/ui/parser/macro/macro-repeat.stderr +++ b/tests/ui/parser/macro/macro-repeat.stderr @@ -1,10 +1,10 @@ -error: variable 'v' is still repeating at this depth +error: variable `v` is still repeating at this depth --> $DIR/macro-repeat.rs:3:9 | LL | $v | ^^ -error: variable 'v' is still repeating at this depth +error: variable `v` is still repeating at this depth --> $DIR/macro-repeat.rs:3:9 | LL | $v diff --git a/tests/ui/pub/pub-reexport-priv-extern-crate.rs b/tests/ui/pub/pub-reexport-priv-extern-crate.rs index dd5cd420fa54..fb495be40015 100644 --- a/tests/ui/pub/pub-reexport-priv-extern-crate.rs +++ b/tests/ui/pub/pub-reexport-priv-extern-crate.rs @@ -1,5 +1,5 @@ extern crate core; -pub use core as reexported_core; //~ ERROR `core` is private, and cannot be re-exported +pub use core as reexported_core; //~ ERROR `core` is private and cannot be re-exported //~^ WARN this was previously accepted mod foo1 { diff --git a/tests/ui/pub/pub-reexport-priv-extern-crate.stderr b/tests/ui/pub/pub-reexport-priv-extern-crate.stderr index 3fa5b0f9aef3..915d07fd08a6 100644 --- a/tests/ui/pub/pub-reexport-priv-extern-crate.stderr +++ b/tests/ui/pub/pub-reexport-priv-extern-crate.stderr @@ -22,7 +22,7 @@ note: the crate import `core` is defined here LL | extern crate core; | ^^^^^^^^^^^^^^^^^^ -error[E0365]: extern crate `core` is private, and cannot be re-exported, consider declaring with `pub` +error[E0365]: extern crate `core` is private and cannot be re-exported --> $DIR/pub-reexport-priv-extern-crate.rs:2:9 | LL | pub use core as reexported_core; @@ -31,6 +31,10 @@ LL | pub use core as reexported_core; = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #34537 = note: `#[deny(pub_use_of_private_extern_crate)]` on by default +help: consider making the `extern crate` item publicly accessible + | +LL | pub extern crate core; + | +++ error: aborting due to 3 previous errors diff --git a/tests/ui/rust-2018/macro-use-warned-against.rs b/tests/ui/rust-2018/macro-use-warned-against.rs index 1e78acf201da..d6bb5150178a 100644 --- a/tests/ui/rust-2018/macro-use-warned-against.rs +++ b/tests/ui/rust-2018/macro-use-warned-against.rs @@ -4,7 +4,7 @@ #![warn(macro_use_extern_crate, unused)] -#[macro_use] //~ WARN should be replaced at use sites with a `use` item +#[macro_use] //~ WARN applying the `#[macro_use]` attribute to an `extern crate` item is deprecated extern crate macro_use_warned_against; #[macro_use] //~ WARN unused `#[macro_use]` extern crate macro_use_warned_against2; diff --git a/tests/ui/rust-2018/macro-use-warned-against.stderr b/tests/ui/rust-2018/macro-use-warned-against.stderr index 6b46f002e32e..3ac1f1270517 100644 --- a/tests/ui/rust-2018/macro-use-warned-against.stderr +++ b/tests/ui/rust-2018/macro-use-warned-against.stderr @@ -1,9 +1,10 @@ -warning: deprecated `#[macro_use]` attribute used to import macros should be replaced at use sites with a `use` item to import the macro instead +warning: applying the `#[macro_use]` attribute to an `extern crate` item is deprecated --> $DIR/macro-use-warned-against.rs:7:1 | LL | #[macro_use] | ^^^^^^^^^^^^ | + = help: remove it and import macros at use sites with a `use` item instead note: the lint level is defined here --> $DIR/macro-use-warned-against.rs:5:9 | diff --git a/tests/ui/unused-crate-deps/deny-attr.rs b/tests/ui/unused-crate-deps/deny-attr.rs index 3b2e8b5677e2..71f478b6b7d7 100644 --- a/tests/ui/unused-crate-deps/deny-attr.rs +++ b/tests/ui/unused-crate-deps/deny-attr.rs @@ -4,6 +4,6 @@ //@ aux-crate:bar=bar.rs #![deny(unused_crate_dependencies)] -//~^ ERROR external crate `bar` unused in +//~^ ERROR extern crate `bar` is unused in fn main() {} diff --git a/tests/ui/unused-crate-deps/deny-attr.stderr b/tests/ui/unused-crate-deps/deny-attr.stderr index 89e87c9d5ac2..7540d9cdc162 100644 --- a/tests/ui/unused-crate-deps/deny-attr.stderr +++ b/tests/ui/unused-crate-deps/deny-attr.stderr @@ -1,9 +1,10 @@ -error: external crate `bar` unused in `deny_attr`: remove the dependency or add `use bar as _;` +error: extern crate `bar` is unused in crate `deny_attr` --> $DIR/deny-attr.rs:6:1 | LL | #![deny(unused_crate_dependencies)] | ^ | + = help: remove the dependency or add `use bar as _;` to the crate root note: the lint level is defined here --> $DIR/deny-attr.rs:6:9 | diff --git a/tests/ui/unused-crate-deps/deny-cmdline.rs b/tests/ui/unused-crate-deps/deny-cmdline.rs index d32e8e205af3..890c01e00162 100644 --- a/tests/ui/unused-crate-deps/deny-cmdline.rs +++ b/tests/ui/unused-crate-deps/deny-cmdline.rs @@ -5,4 +5,4 @@ //@ aux-crate:bar=bar.rs fn main() {} -//~^ ERROR external crate `bar` unused in +//~^ ERROR extern crate `bar` is unused in diff --git a/tests/ui/unused-crate-deps/deny-cmdline.stderr b/tests/ui/unused-crate-deps/deny-cmdline.stderr index fc526878ef05..b48d1ec1ba9f 100644 --- a/tests/ui/unused-crate-deps/deny-cmdline.stderr +++ b/tests/ui/unused-crate-deps/deny-cmdline.stderr @@ -1,9 +1,10 @@ -error: external crate `bar` unused in `deny_cmdline`: remove the dependency or add `use bar as _;` +error: extern crate `bar` is unused in crate `deny_cmdline` --> $DIR/deny-cmdline.rs:7:1 | LL | fn main() {} | ^ | + = help: remove the dependency or add `use bar as _;` to the crate root = note: requested on the command line with `-D unused-crate-dependencies` error: aborting due to 1 previous error diff --git a/tests/ui/unused-crate-deps/libfib.rs b/tests/ui/unused-crate-deps/libfib.rs index 8a5ec758e560..d7729c9ebe7e 100644 --- a/tests/ui/unused-crate-deps/libfib.rs +++ b/tests/ui/unused-crate-deps/libfib.rs @@ -5,7 +5,7 @@ //@ compile-flags:--crate-type lib -Wunused-crate-dependencies pub fn fib(n: u32) -> Vec { -//~^ WARNING external crate `bar` unused in +//~^ WARNING extern crate `bar` is unused in let mut prev = 0; let mut cur = 1; let mut v = vec![]; diff --git a/tests/ui/unused-crate-deps/libfib.stderr b/tests/ui/unused-crate-deps/libfib.stderr index 15833126bd62..da6893f50345 100644 --- a/tests/ui/unused-crate-deps/libfib.stderr +++ b/tests/ui/unused-crate-deps/libfib.stderr @@ -1,9 +1,10 @@ -warning: external crate `bar` unused in `libfib`: remove the dependency or add `use bar as _;` +warning: extern crate `bar` is unused in crate `libfib` --> $DIR/libfib.rs:7:1 | LL | pub fn fib(n: u32) -> Vec { | ^ | + = help: remove the dependency or add `use bar as _;` to the crate root = note: requested on the command line with `-W unused-crate-dependencies` warning: 1 warning emitted diff --git a/tests/ui/unused-crate-deps/unused-aliases.rs b/tests/ui/unused-crate-deps/unused-aliases.rs index f86f6bbf3564..2db50cec971d 100644 --- a/tests/ui/unused-crate-deps/unused-aliases.rs +++ b/tests/ui/unused-crate-deps/unused-aliases.rs @@ -6,7 +6,7 @@ //@ aux-crate:barbar=bar.rs #![warn(unused_crate_dependencies)] -//~^ WARNING external crate `barbar` unused in +//~^ WARNING extern crate `barbar` is unused in use bar as _; diff --git a/tests/ui/unused-crate-deps/unused-aliases.stderr b/tests/ui/unused-crate-deps/unused-aliases.stderr index c8c6c4507b0c..d4093b102d50 100644 --- a/tests/ui/unused-crate-deps/unused-aliases.stderr +++ b/tests/ui/unused-crate-deps/unused-aliases.stderr @@ -1,9 +1,10 @@ -warning: external crate `barbar` unused in `unused_aliases`: remove the dependency or add `use barbar as _;` +warning: extern crate `barbar` is unused in crate `unused_aliases` --> $DIR/unused-aliases.rs:8:1 | LL | #![warn(unused_crate_dependencies)] | ^ | + = help: remove the dependency or add `use barbar as _;` to the crate root note: the lint level is defined here --> $DIR/unused-aliases.rs:8:9 | diff --git a/tests/ui/unused-crate-deps/warn-attr.rs b/tests/ui/unused-crate-deps/warn-attr.rs index b558c0678d6b..c40ed0017329 100644 --- a/tests/ui/unused-crate-deps/warn-attr.rs +++ b/tests/ui/unused-crate-deps/warn-attr.rs @@ -5,6 +5,6 @@ //@ aux-crate:bar=bar.rs #![warn(unused_crate_dependencies)] -//~^ WARNING external crate `bar` unused in +//~^ WARNING extern crate `bar` is unused in fn main() {} diff --git a/tests/ui/unused-crate-deps/warn-attr.stderr b/tests/ui/unused-crate-deps/warn-attr.stderr index 0d38315704b1..2c72961093c2 100644 --- a/tests/ui/unused-crate-deps/warn-attr.stderr +++ b/tests/ui/unused-crate-deps/warn-attr.stderr @@ -1,9 +1,10 @@ -warning: external crate `bar` unused in `warn_attr`: remove the dependency or add `use bar as _;` +warning: extern crate `bar` is unused in crate `warn_attr` --> $DIR/warn-attr.rs:7:1 | LL | #![warn(unused_crate_dependencies)] | ^ | + = help: remove the dependency or add `use bar as _;` to the crate root note: the lint level is defined here --> $DIR/warn-attr.rs:7:9 | diff --git a/tests/ui/unused-crate-deps/warn-cmdline-static.rs b/tests/ui/unused-crate-deps/warn-cmdline-static.rs index ccb404e3033b..eb51543ad1ab 100644 --- a/tests/ui/unused-crate-deps/warn-cmdline-static.rs +++ b/tests/ui/unused-crate-deps/warn-cmdline-static.rs @@ -7,4 +7,4 @@ //@ no-prefer-dynamic fn main() {} -//~^ WARNING external crate `bar` unused in +//~^ WARNING extern crate `bar` is unused in diff --git a/tests/ui/unused-crate-deps/warn-cmdline-static.stderr b/tests/ui/unused-crate-deps/warn-cmdline-static.stderr index 65956461d643..79a3ade87190 100644 --- a/tests/ui/unused-crate-deps/warn-cmdline-static.stderr +++ b/tests/ui/unused-crate-deps/warn-cmdline-static.stderr @@ -1,9 +1,10 @@ -warning: external crate `bar` unused in `warn_cmdline_static`: remove the dependency or add `use bar as _;` +warning: extern crate `bar` is unused in crate `warn_cmdline_static` --> $DIR/warn-cmdline-static.rs:9:1 | LL | fn main() {} | ^ | + = help: remove the dependency or add `use bar as _;` to the crate root = note: requested on the command line with `-W unused-crate-dependencies` warning: 1 warning emitted diff --git a/tests/ui/unused-crate-deps/warn-cmdline.rs b/tests/ui/unused-crate-deps/warn-cmdline.rs index 8d390e02ca59..cdeff5e5f602 100644 --- a/tests/ui/unused-crate-deps/warn-cmdline.rs +++ b/tests/ui/unused-crate-deps/warn-cmdline.rs @@ -6,4 +6,4 @@ //@ aux-crate:bar=bar.rs fn main() {} -//~^ WARNING external crate `bar` unused in +//~^ WARNING extern crate `bar` is unused in diff --git a/tests/ui/unused-crate-deps/warn-cmdline.stderr b/tests/ui/unused-crate-deps/warn-cmdline.stderr index ea675ba9a1eb..f5df83ca8841 100644 --- a/tests/ui/unused-crate-deps/warn-cmdline.stderr +++ b/tests/ui/unused-crate-deps/warn-cmdline.stderr @@ -1,9 +1,10 @@ -warning: external crate `bar` unused in `warn_cmdline`: remove the dependency or add `use bar as _;` +warning: extern crate `bar` is unused in crate `warn_cmdline` --> $DIR/warn-cmdline.rs:8:1 | LL | fn main() {} | ^ | + = help: remove the dependency or add `use bar as _;` to the crate root = note: requested on the command line with `-W unused-crate-dependencies` warning: 1 warning emitted From 940594ff1842026cf16efb0af5210de6966fbfdb Mon Sep 17 00:00:00 2001 From: Jubilee Young Date: Mon, 27 May 2024 10:03:54 -0700 Subject: [PATCH 0879/1716] Explain LazyCell in core::cell overview --- library/core/src/cell.rs | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/library/core/src/cell.rs b/library/core/src/cell.rs index ac026de95da1..6cdc1e00f479 100644 --- a/library/core/src/cell.rs +++ b/library/core/src/cell.rs @@ -82,6 +82,20 @@ //! //! The corresponding [`Sync`] version of `OnceCell` is [`OnceLock`]. //! +//! ## `LazyCell` +//! +//! A common pattern with OnceCell is, for a given OnceCell, to use the same function on every +//! call to [`OnceCell::get_or_init`] with that cell. This is what is offered by [`LazyCell`], +//! which pairs cells of `T` with functions of `F`, and always calls `F` before it yields `&T`. +//! This happens implicitly by simply attempting to dereference the LazyCell to get its contents, +//! so its use is much more transparent with a place which has been initialized by a constant. +//! +//! More complicated patterns that don't fit this description can be built on `OnceCell` instead. +//! +//! `LazyCell` works by providing an implementation of `impl Deref` that calls the function, +//! so you can just use it by dereference (e.g. `*lazy_cell` or `lazy_cell.deref()`). +//! +//! The corresponding [`Sync`] version of `LazyCell` is [`LazyLock`]. //! //! # When to choose interior mutability //! @@ -230,6 +244,7 @@ //! [`RwLock`]: ../../std/sync/struct.RwLock.html //! [`Mutex`]: ../../std/sync/struct.Mutex.html //! [`OnceLock`]: ../../std/sync/struct.OnceLock.html +//! [`LazyLock`]: ../../std/sync/struct.LazyLock.html //! [`Sync`]: ../../std/marker/trait.Sync.html //! [`atomic`]: crate::sync::atomic From fdb96f2123a8306e24f6ef0c77296bf0d2f9af99 Mon Sep 17 00:00:00 2001 From: Jubilee Young Date: Mon, 27 May 2024 10:24:28 -0700 Subject: [PATCH 0880/1716] Differ LazyLock vs. OnceLock in std::sync overview --- library/std/src/sync/mod.rs | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/library/std/src/sync/mod.rs b/library/std/src/sync/mod.rs index fb7d601b0947..70e8f5f90c61 100644 --- a/library/std/src/sync/mod.rs +++ b/library/std/src/sync/mod.rs @@ -136,7 +136,10 @@ //! - [`Once`]: Used for a thread-safe, one-time global initialization routine //! //! - [`OnceLock`]: Used for thread-safe, one-time initialization of a -//! global variable. +//! variable, with potentially different initializers based on the caller. +//! +//! - [`LazyLock`]: Used for thread-safe, one-time initialization of a +//! variable, using one nullary initializer function provided at creation. //! //! - [`RwLock`]: Provides a mutual exclusion mechanism which allows //! multiple readers at the same time, while allowing only one From 2d0ebca9798f76ff5ff1ef171cdf73fb5c8d7127 Mon Sep 17 00:00:00 2001 From: Jubilee Young Date: Mon, 27 May 2024 13:02:39 -0700 Subject: [PATCH 0881/1716] Move first OnceLock example to LazyLock This example is spiritually an example of LazyLock, as it computes a variable at runtime but accepts no inputs into that process. It is also slightly simpler and thus easier to understand. Change it to an even-more concise version and move it to LazyLock. The example now editorializes slightly more. This may be unnecessary, but it can be educational for the reader. --- library/std/src/sync/lazy_lock.rs | 36 ++++++++++++------------------- library/std/src/sync/once_lock.rs | 36 ------------------------------- 2 files changed, 14 insertions(+), 58 deletions(-) diff --git a/library/std/src/sync/lazy_lock.rs b/library/std/src/sync/lazy_lock.rs index d3bb3bfdff92..7a2eed93dd4f 100644 --- a/library/std/src/sync/lazy_lock.rs +++ b/library/std/src/sync/lazy_lock.rs @@ -29,34 +29,26 @@ union Data { /// # Examples /// /// Initialize static variables with `LazyLock`. -/// /// ``` -/// use std::collections::HashMap; -/// /// use std::sync::LazyLock; /// -/// static HASHMAP: LazyLock> = LazyLock::new(|| { -/// println!("initializing"); -/// let mut m = HashMap::new(); -/// m.insert(13, "Spica".to_string()); -/// m.insert(74, "Hoyten".to_string()); -/// m +/// // n.b. static items do not call [`Drop`] on program termination, so this won't be deallocated. +/// // this is fine, as the OS can deallocate the terminated program faster than we can free memory +/// // but tools like valgrind might report "memory leaks" as it isn't obvious this is intentional. +/// static DEEP_THOUGHT: LazyLock = LazyLock::new(|| { +/// # mod another_crate { +/// # pub fn great_question() -> String { "42".to_string() } +/// # } +/// // M3 Ultra takes about 16 million years in --release config +/// another_crate::great_question() /// }); /// -/// fn main() { -/// println!("ready"); -/// std::thread::spawn(|| { -/// println!("{:?}", HASHMAP.get(&13)); -/// }).join().unwrap(); -/// println!("{:?}", HASHMAP.get(&74)); -/// -/// // Prints: -/// // ready -/// // initializing -/// // Some("Spica") -/// // Some("Hoyten") -/// } +/// // The `String` is built, stored in the `LazyLock`, and returned as `&String`. +/// let _ = &*DEEP_THOUGHT; +/// // The `String` is retrieved from the `LazyLock` and returned as `&String`. +/// let _ = &*DEEP_THOUGHT; /// ``` +/// /// Initialize fields with `LazyLock`. /// ``` /// use std::sync::LazyLock; diff --git a/library/std/src/sync/once_lock.rs b/library/std/src/sync/once_lock.rs index fc830baccedd..d52f610c1f45 100644 --- a/library/std/src/sync/once_lock.rs +++ b/library/std/src/sync/once_lock.rs @@ -13,42 +13,6 @@ use crate::sync::Once; /// /// # Examples /// -/// Using `OnceLock` to store a function’s previously computed value (a.k.a. -/// ‘lazy static’ or ‘memoizing’): -/// -/// ``` -/// use std::sync::OnceLock; -/// -/// struct DeepThought { -/// answer: String, -/// } -/// -/// impl DeepThought { -/// # fn great_question() -> String { -/// # "42".to_string() -/// # } -/// # -/// fn new() -> Self { -/// Self { -/// // M3 Ultra takes about 16 million years in --release config -/// answer: Self::great_question(), -/// } -/// } -/// } -/// -/// fn computation() -> &'static DeepThought { -/// // n.b. static items do not call [`Drop`] on program termination, so if -/// // [`DeepThought`] impls Drop, that will not be used for this instance. -/// static COMPUTATION: OnceLock = OnceLock::new(); -/// COMPUTATION.get_or_init(|| DeepThought::new()) -/// } -/// -/// // The `DeepThought` is built, stored in the `OnceLock`, and returned. -/// let _ = computation().answer; -/// // The `DeepThought` is retrieved from the `OnceLock` and returned. -/// let _ = computation().answer; -/// ``` -/// /// Writing to a `OnceLock` from a separate thread: /// /// ``` From 9ed7cfc952b06fb4e552fb02bbd65070e56cfdc0 Mon Sep 17 00:00:00 2001 From: Jubilee Young Date: Mon, 27 May 2024 13:21:38 -0700 Subject: [PATCH 0882/1716] Add "OnceList" example to motivate OnceLock While slightly verbose, it helps explain "why bother with OnceLock?" This is a point of confusion that has been raised multiple times shortly before and after the stabilization of LazyLock. --- library/std/src/sync/once_lock.rs | 55 +++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) diff --git a/library/std/src/sync/once_lock.rs b/library/std/src/sync/once_lock.rs index d52f610c1f45..22083bc29333 100644 --- a/library/std/src/sync/once_lock.rs +++ b/library/std/src/sync/once_lock.rs @@ -8,8 +8,14 @@ use crate::sync::Once; /// A synchronization primitive which can be written to only once. /// /// This type is a thread-safe [`OnceCell`], and can be used in statics. +/// In many simple cases, you can use [`LazyLock`] instead to get the benefits of this type +/// with less effort: `LazyLock` "looks like" `&T` because it initializes with `F` on deref! +/// Where OnceLock shines is when LazyLock is too simple to support a given case, as LazyLock +/// doesn't allow additional inputs to its function after you call [`LazyLock::new(|| ...)`]. /// /// [`OnceCell`]: crate::cell::OnceCell +/// [`LazyLock`]: crate::sync::LazyLock +/// [`LazyLock::new(|| ...)`]: crate::sync::LazyLock::new /// /// # Examples /// @@ -37,6 +43,55 @@ use crate::sync::Once; /// Some(&12345), /// ); /// ``` +/// +/// You can use `OnceLock` to implement a type that requires "append-only" logic: +/// +/// ``` +/// use std::sync::{OnceLock, atomic::{AtomicU32, Ordering}}; +/// use std::thread; +/// +/// struct OnceList { +/// data: OnceLock, +/// next: OnceLock>>, +/// } +/// impl OnceList { +/// const fn new() -> OnceList { +/// OnceList { data: OnceLock::new(), next: OnceLock::new() } +/// } +/// fn push(&self, value: T) { +/// // FIXME: this impl is concise, but is also slow for long lists or many threads. +/// // as an exercise, consider how you might improve on it while preserving the behavior +/// if let Err(value) = self.data.set(value) { +/// let next = self.next.get_or_init(|| Box::new(OnceList::new())); +/// next.push(value) +/// }; +/// } +/// fn contains(&self, example: &T) -> bool +/// where +/// T: PartialEq, +/// { +/// self.data.get().map(|item| item == example).filter(|v| *v).unwrap_or_else(|| { +/// self.next.get().map(|next| next.contains(example)).unwrap_or(false) +/// }) +/// } +/// } +/// +/// // Let's exercise this new Sync append-only list by doing a little counting +/// static LIST: OnceList = OnceList::new(); +/// static COUNTER: AtomicU32 = AtomicU32::new(0); +/// +/// let vec = (0..thread::available_parallelism().unwrap().get()).map(|_| thread::spawn(|| { +/// while let i @ 0..=1000 = COUNTER.fetch_add(1, Ordering::Relaxed) { +/// LIST.push(i); +/// } +/// })).collect::>>(); +/// vec.into_iter().for_each(|handle| handle.join().unwrap()); +/// +/// for i in 0..=1000 { +/// assert!(LIST.contains(&i)); +/// } +/// +/// ``` #[stable(feature = "once_cell", since = "1.70.0")] pub struct OnceLock { once: Once, From 586821eacd7389a4a30b60633ceb53596d06e238 Mon Sep 17 00:00:00 2001 From: bohan Date: Sat, 1 Jun 2024 17:43:48 +0800 Subject: [PATCH 0883/1716] tip for inaccessible traits --- .../rustc_hir_typeck/src/method/suggest.rs | 189 +++++++++++++----- tests/ui/traits/item-privacy.stderr | 15 +- 2 files changed, 145 insertions(+), 59 deletions(-) diff --git a/compiler/rustc_hir_typeck/src/method/suggest.rs b/compiler/rustc_hir_typeck/src/method/suggest.rs index daaaf630f2c4..e2b60bd52b26 100644 --- a/compiler/rustc_hir_typeck/src/method/suggest.rs +++ b/compiler/rustc_hir_typeck/src/method/suggest.rs @@ -284,14 +284,57 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } if !candidates.is_empty() { let help = format!( - "{an}other candidate{s} {were} found in the following trait{s}, perhaps \ - add a `use` for {one_of_them}:", + "{an}other candidate{s} {were} found in the following trait{s}", an = if candidates.len() == 1 { "an" } else { "" }, s = pluralize!(candidates.len()), were = pluralize!("was", candidates.len()), - one_of_them = if candidates.len() == 1 { "it" } else { "one_of_them" }, ); - self.suggest_use_candidates(&mut err, help, candidates); + self.suggest_use_candidates( + candidates, + |accessible_sugg, inaccessible_sugg, span| { + let suggest_for_access = + |err: &mut Diag<'_>, mut msg: String, sugg: Vec<_>| { + msg += &format!( + ", perhaps add a `use` for {one_of_them}:", + one_of_them = + if sugg.len() == 1 { "it" } else { "one_of_them" }, + ); + err.span_suggestions( + span, + msg, + sugg, + Applicability::MaybeIncorrect, + ); + }; + let suggest_for_privacy = + |err: &mut Diag<'_>, mut msg: String, sugg: Vec| { + if sugg.len() == 1 { + let msg = format!("\ + trait `{}` provides `{item_name}` is implemented but not reachable", + sugg[0].trim() + ); + err.help(msg); + } else { + msg += &format!(" but {} not reachable", pluralize!("is", sugg.len())); + err.span_suggestions( + span, + msg, + sugg, + Applicability::MaybeIncorrect, + ); + } + }; + if accessible_sugg.is_empty() { + // `inaccessible_sugg` must not be empty + suggest_for_privacy(&mut err, help, inaccessible_sugg); + } else if inaccessible_sugg.is_empty() { + suggest_for_access(&mut err, help, accessible_sugg); + } else { + suggest_for_access(&mut err, help.clone(), accessible_sugg); + suggest_for_privacy(&mut err, help, inaccessible_sugg); + } + }, + ); } if let ty::Ref(region, t_type, mutability) = rcvr_ty.kind() { if needs_mut { @@ -3069,49 +3112,69 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } } - fn suggest_use_candidates(&self, err: &mut Diag<'_>, msg: String, candidates: Vec) { + fn suggest_use_candidates(&self, candidates: Vec, handle_candidates: F) + where + F: FnOnce(Vec, Vec, Span), + { let parent_map = self.tcx.visible_parent_map(()); - // Separate out candidates that must be imported with a glob, because they are named `_` - // and cannot be referred with their identifier. - let (candidates, globs): (Vec<_>, Vec<_>) = candidates.into_iter().partition(|trait_did| { - if let Some(parent_did) = parent_map.get(trait_did) { - // If the item is re-exported as `_`, we should suggest a glob-import instead. - if *parent_did != self.tcx.parent(*trait_did) - && self - .tcx - .module_children(*parent_did) - .iter() - .filter(|child| child.res.opt_def_id() == Some(*trait_did)) - .all(|child| child.ident.name == kw::Underscore) - { - return false; - } - } + let scope = self.tcx.parent_module_from_def_id(self.body_id); + let (accessible_candidates, inaccessible_candidates): (Vec<_>, Vec<_>) = + candidates.into_iter().partition(|id| { + let vis = self.tcx.visibility(*id); + vis.is_accessible_from(scope, self.tcx) + }); - true - }); + let sugg = |candidates: Vec<_>, visible| { + // Separate out candidates that must be imported with a glob, because they are named `_` + // and cannot be referred with their identifier. + let (candidates, globs): (Vec<_>, Vec<_>) = + candidates.into_iter().partition(|trait_did| { + if let Some(parent_did) = parent_map.get(trait_did) { + // If the item is re-exported as `_`, we should suggest a glob-import instead. + if *parent_did != self.tcx.parent(*trait_did) + && self + .tcx + .module_children(*parent_did) + .iter() + .filter(|child| child.res.opt_def_id() == Some(*trait_did)) + .all(|child| child.ident.name == kw::Underscore) + { + return false; + } + } - let module_did = self.tcx.parent_module_from_def_id(self.body_id); - let (module, _, _) = self.tcx.hir().get_module(module_did); + true + }); + + let prefix = if visible { "use " } else { "" }; + let postfix = if visible { ";" } else { "" }; + let path_strings = candidates.iter().map(|trait_did| { + format!( + "{prefix}{}{postfix}\n", + with_crate_prefix!(self.tcx.def_path_str(*trait_did)), + ) + }); + + let glob_path_strings = globs.iter().map(|trait_did| { + let parent_did = parent_map.get(trait_did).unwrap(); + format!( + "{prefix}{}::*{postfix} // trait {}\n", + with_crate_prefix!(self.tcx.def_path_str(*parent_did)), + self.tcx.item_name(*trait_did), + ) + }); + let mut sugg: Vec<_> = path_strings.chain(glob_path_strings).collect(); + sugg.sort(); + sugg + }; + + let accessible_sugg = sugg(accessible_candidates, true); + let inaccessible_sugg = sugg(inaccessible_candidates, false); + + let (module, _, _) = self.tcx.hir().get_module(scope); let span = module.spans.inject_use_span; - - let path_strings = candidates.iter().map(|trait_did| { - format!("use {};\n", with_crate_prefix!(self.tcx.def_path_str(*trait_did)),) - }); - - let glob_path_strings = globs.iter().map(|trait_did| { - let parent_did = parent_map.get(trait_did).unwrap(); - format!( - "use {}::*; // trait {}\n", - with_crate_prefix!(self.tcx.def_path_str(*parent_did)), - self.tcx.item_name(*trait_did), - ) - }); - let mut sugg: Vec<_> = path_strings.chain(glob_path_strings).collect(); - sugg.sort(); - - err.span_suggestions(span, msg, sugg, Applicability::MaybeIncorrect); + handle_candidates(accessible_sugg, inaccessible_sugg, span); } fn suggest_valid_traits( @@ -3135,9 +3198,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { if explain { err.help("items from traits can only be used if the trait is in scope"); } + let msg = format!( - "{this_trait_is} implemented but not in scope; perhaps you want to import \ - {one_of_them}", + "{this_trait_is} implemented but not in scope", this_trait_is = if candidates.len() == 1 { format!( "trait `{}` which provides `{item_name}` is", @@ -3145,11 +3208,43 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ) } else { format!("the following traits which provide `{item_name}` are") - }, - one_of_them = if candidates.len() == 1 { "it" } else { "one of them" }, + } ); - self.suggest_use_candidates(err, msg, candidates); + self.suggest_use_candidates(candidates, |accessible_sugg, inaccessible_sugg, span| { + let suggest_for_access = |err: &mut Diag<'_>, mut msg: String, sugg: Vec<_>| { + msg += &format!( + "; perhaps you want to import {one_of}", + one_of = if sugg.len() == 1 { "it" } else { "one of them" }, + ); + err.span_suggestions(span, msg, sugg, Applicability::MaybeIncorrect); + }; + let suggest_for_privacy = |err: &mut Diag<'_>, sugg: Vec| { + let msg = format!( + "{this_trait_is} implemented but not reachable", + this_trait_is = if sugg.len() == 1 { + format!("trait `{}` which provides `{item_name}` is", sugg[0].trim()) + } else { + format!("the following traits which provide `{item_name}` are") + } + ); + if sugg.len() == 1 { + err.help(msg); + } else { + err.span_suggestions(span, msg, sugg, Applicability::MaybeIncorrect); + } + }; + if accessible_sugg.is_empty() { + // `inaccessible_sugg` must not be empty + suggest_for_privacy(err, inaccessible_sugg); + } else if inaccessible_sugg.is_empty() { + suggest_for_access(err, msg, accessible_sugg); + } else { + suggest_for_access(err, msg, accessible_sugg); + suggest_for_privacy(err, inaccessible_sugg); + } + }); + if let Some(did) = edition_fix { err.note(format!( "'{}' is included in the prelude starting in Edition 2021", diff --git a/tests/ui/traits/item-privacy.stderr b/tests/ui/traits/item-privacy.stderr index d08bb4745bf5..fca7473f3bc3 100644 --- a/tests/ui/traits/item-privacy.stderr +++ b/tests/ui/traits/item-privacy.stderr @@ -8,10 +8,7 @@ LL | S.a(); | ^ | = help: items from traits can only be used if the trait is implemented and in scope -help: trait `A` which provides `a` is implemented but not in scope; perhaps you want to import it - | -LL + use method::A; - | + = help: trait `method::A` which provides `a` is implemented but not reachable help: there is a method `b` with a similar name | LL | S.b(); @@ -58,15 +55,12 @@ LL | S::a(&S); | ^ function or associated item not found in `S` | = help: items from traits can only be used if the trait is implemented and in scope + = help: trait `method::A` which provides `a` is implemented but not reachable help: there is an associated constant `B` with a similar name --> $DIR/item-privacy.rs:29:9 | LL | const B: u8 = 0; | ^^^^^^^^^^^ -help: trait `A` which provides `a` is implemented but not in scope; perhaps you want to import it - | -LL + use method::A; - | error[E0599]: no function or associated item named `b` found for struct `S` in the current scope --> $DIR/item-privacy.rs:80:8 @@ -107,10 +101,7 @@ LL | S::A; | ^ associated item not found in `S` | = help: items from traits can only be used if the trait is implemented and in scope -help: trait `A` which provides `A` is implemented but not in scope; perhaps you want to import it - | -LL + use assoc_const::A; - | + = help: trait `assoc_const::A` which provides `A` is implemented but not reachable help: there is an associated constant `B` with a similar name | LL | S::B; From 9d1ec7ea069ab3897e715464be8b6d93e529020a Mon Sep 17 00:00:00 2001 From: dalance Date: Sun, 5 May 2024 09:01:47 +0900 Subject: [PATCH 0884/1716] Add translation support by mdbook-i18n-helpers to bootstrap --- Cargo.lock | 148 +++++++++++++++++++++- src/bootstrap/src/core/build_steps/doc.rs | 40 ++++-- src/tools/rustbook/Cargo.toml | 1 + src/tools/rustbook/src/main.rs | 13 ++ 4 files changed, 186 insertions(+), 16 deletions(-) diff --git a/Cargo.lock b/Cargo.lock index 1018eac13ff1..0e950e288072 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -372,7 +372,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "6798148dccfbff0fae41c7574d2fa8f1ef3492fba0face179de5d8d447d67b05" dependencies = [ "memchr", - "regex-automata 0.3.9", + "regex-automata 0.3.7", "serde", ] @@ -2206,6 +2206,21 @@ dependencies = [ "vcpkg", ] +[[package]] +name = "line-wrap" +version = "0.2.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "dd1bc4d24ad230d21fb898d1116b1801d7adfc449d42026475862ab48b11e70e" + +[[package]] +name = "linereader" +version = "0.4.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d921fea6860357575519aca014c6e22470585accdd543b370c404a8a72d0dd1d" +dependencies = [ + "memchr", +] + [[package]] name = "linkchecker" version = "0.1.0" @@ -2214,6 +2229,12 @@ dependencies = [ "regex", ] +[[package]] +name = "linked-hash-map" +version = "0.5.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "0717cef1bc8b636c6e1c1bbdefc09e6322da8a9321966e8928ef80d20f7f770f" + [[package]] name = "lint-docs" version = "0.1.0" @@ -2364,6 +2385,25 @@ dependencies = [ "topological-sort", ] +[[package]] +name = "mdbook-i18n-helpers" +version = "0.3.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f1f71f5961d6f3376e1ff3e5989c2e3ecccc3e8a00f3a3acde446847f84852e4" +dependencies = [ + "anyhow", + "chrono", + "mdbook", + "polib", + "pulldown-cmark 0.10.3", + "pulldown-cmark-to-cmark", + "regex", + "semver", + "serde_json", + "syntect", + "textwrap", +] + [[package]] name = "mdbook-trpl-listing" version = "0.1.0" @@ -2650,6 +2690,28 @@ version = "1.19.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92" +[[package]] +name = "onig" +version = "6.4.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8c4b31c8722ad9171c6d77d3557db078cab2bd50afcc9d09c8b315c59df8ca4f" +dependencies = [ + "bitflags 1.3.2", + "libc", + "once_cell", + "onig_sys", +] + +[[package]] +name = "onig_sys" +version = "69.8.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "7b829e3d7e9cc74c7e315ee8edb185bf4190da5acde74afd7fc59c35b1f086e7" +dependencies = [ + "cc", + "pkg-config", +] + [[package]] name = "opener" version = "0.6.1" @@ -2968,6 +3030,29 @@ version = "0.3.30" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "d231b230927b5e4ad203db57bbcbee2802f6bce620b1e4a9024a07d94e2907ec" +[[package]] +name = "plist" +version = "1.6.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d9d34169e64b3c7a80c8621a48adaf44e0cf62c78a9b25dd9dd35f1881a17cf9" +dependencies = [ + "base64", + "indexmap", + "line-wrap", + "quick-xml", + "serde", + "time", +] + +[[package]] +name = "polib" +version = "0.2.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "6b393b155cf9be86249cba1b56cc81be0e6212c66d94ac0d76d37a1761f3bb1b" +dependencies = [ + "linereader", +] + [[package]] name = "polonius-engine" version = "0.13.0" @@ -3126,6 +3211,15 @@ version = "0.4.1" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "e9e1dcb320d6839f6edb64f7a4a59d39b30480d4d1765b56873f7c858538a5fe" +[[package]] +name = "quick-xml" +version = "0.31.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1004a344b30a54e2ee58d66a71b32d2db2feb0a31f9a2d302bf0536f15de2a33" +dependencies = [ + "memchr", +] + [[package]] name = "quine-mc_cluskey" version = "0.2.4" @@ -3261,12 +3355,13 @@ dependencies = [ [[package]] name = "regex" -version = "1.8.4" +version = "1.9.4" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d0ab3ca65655bb1e41f2a8c8cd662eb4fb035e67c3f78da1d61dffe89d07300f" +checksum = "12de2eff854e5fa4b1295edd650e227e9d8fb0c9e90b12e7f36d6a6811791a29" dependencies = [ "aho-corasick", "memchr", + "regex-automata 0.3.7", "regex-syntax 0.7.5", ] @@ -3290,9 +3385,14 @@ dependencies = [ [[package]] name = "regex-automata" -version = "0.3.9" +version = "0.3.7" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "59b23e92ee4318893fa3fe3e6fb365258efbfe6ac6ab30f090cdcbb7aa37efa9" +checksum = "49530408a136e16e5b486e883fbb6ba058e8e4e8ae6621a77b048b314336e629" +dependencies = [ + "aho-corasick", + "memchr", + "regex-syntax 0.7.5", +] [[package]] name = "regex-lite" @@ -3367,6 +3467,7 @@ dependencies = [ "clap", "env_logger", "mdbook", + "mdbook-i18n-helpers", "mdbook-trpl-listing", "mdbook-trpl-note", ] @@ -5372,6 +5473,28 @@ dependencies = [ "syn 2.0.64", ] +[[package]] +name = "syntect" +version = "5.2.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "874dcfa363995604333cf947ae9f751ca3af4522c60886774c4963943b4746b1" +dependencies = [ + "bincode", + "bitflags 1.3.2", + "flate2", + "fnv", + "once_cell", + "onig", + "plist", + "regex-syntax 0.8.3", + "serde", + "serde_derive", + "serde_json", + "thiserror", + "walkdir", + "yaml-rust", +] + [[package]] name = "sysinfo" version = "0.30.12" @@ -5497,6 +5620,12 @@ dependencies = [ "std", ] +[[package]] +name = "textwrap" +version = "0.16.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "23d434d3f8967a09480fb04132ebe0a3e088c173e6d0ee7897abbdf4eab0f8b9" + [[package]] name = "thin-vec" version = "0.2.13" @@ -6476,6 +6605,15 @@ dependencies = [ "lzma-sys", ] +[[package]] +name = "yaml-rust" +version = "0.4.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "56c1936c4cc7a1c9ab21a1ebb602eb942ba868cbd44a99cb7cdc5892335e1c85" +dependencies = [ + "linked-hash-map", +] + [[package]] name = "yansi-term" version = "0.1.2" diff --git a/src/bootstrap/src/core/build_steps/doc.rs b/src/bootstrap/src/core/build_steps/doc.rs index 30b3edfd3aed..b37b2b5bcefb 100644 --- a/src/bootstrap/src/core/build_steps/doc.rs +++ b/src/bootstrap/src/core/build_steps/doc.rs @@ -29,7 +29,7 @@ macro_rules! submodule_helper { } macro_rules! book { - ($($name:ident, $path:expr, $book_name:expr $(, submodule $(= $submodule:literal)? )? ;)+) => { + ($($name:ident, $path:expr, $book_name:expr, $lang:expr $(, submodule $(= $submodule:literal)? )? ;)+) => { $( #[derive(Debug, Clone, Hash, PartialEq, Eq)] pub struct $name { @@ -61,6 +61,7 @@ macro_rules! book { name: $book_name.to_owned(), src: builder.src.join($path), parent: Some(self), + languages: $lang.into(), }) } } @@ -74,15 +75,15 @@ macro_rules! book { // FIXME: Make checking for a submodule automatic somehow (maybe by having a list of all submodules // and checking against it?). book!( - CargoBook, "src/tools/cargo/src/doc", "cargo", submodule = "src/tools/cargo"; - ClippyBook, "src/tools/clippy/book", "clippy"; - EditionGuide, "src/doc/edition-guide", "edition-guide", submodule; - EmbeddedBook, "src/doc/embedded-book", "embedded-book", submodule; - Nomicon, "src/doc/nomicon", "nomicon", submodule; - Reference, "src/doc/reference", "reference", submodule; - RustByExample, "src/doc/rust-by-example", "rust-by-example", submodule; - RustdocBook, "src/doc/rustdoc", "rustdoc"; - StyleGuide, "src/doc/style-guide", "style-guide"; + CargoBook, "src/tools/cargo/src/doc", "cargo", &[], submodule = "src/tools/cargo"; + ClippyBook, "src/tools/clippy/book", "clippy", &[]; + EditionGuide, "src/doc/edition-guide", "edition-guide", &[], submodule; + EmbeddedBook, "src/doc/embedded-book", "embedded-book", &[], submodule; + Nomicon, "src/doc/nomicon", "nomicon", &[], submodule; + Reference, "src/doc/reference", "reference", &[], submodule; + RustByExample, "src/doc/rust-by-example", "rust-by-example", &["ja"], submodule; + RustdocBook, "src/doc/rustdoc", "rustdoc", &[]; + StyleGuide, "src/doc/style-guide", "style-guide", &[]; ); #[derive(Debug, Clone, Hash, PartialEq, Eq)] @@ -110,6 +111,7 @@ impl Step for UnstableBook { name: "unstable-book".to_owned(), src: builder.md_doc_out(self.target).join("unstable-book"), parent: Some(self), + languages: vec![], }) } } @@ -120,6 +122,7 @@ struct RustbookSrc { name: String, src: PathBuf, parent: Option

, + languages: Vec<&'static str>, } impl Step for RustbookSrc

{ @@ -151,7 +154,19 @@ impl Step for RustbookSrc

{ builder.info(&format!("Rustbook ({target}) - {name}")); let _ = fs::remove_dir_all(&out); - builder.run(rustbook_cmd.arg("build").arg(src).arg("-d").arg(out)); + builder.run(rustbook_cmd.arg("build").arg(&src).arg("-d").arg(&out)); + + for lang in &self.languages { + let out = out.join(lang); + + builder.info(&format!("Rustbook ({target}) - {name} - {lang}")); + let _ = fs::remove_dir_all(&out); + + let mut rustbook_cmd = builder.tool_cmd(Tool::Rustbook); + builder.run( + rustbook_cmd.arg("build").arg(&src).arg("-d").arg(&out).arg("-l").arg(lang), + ); + } } if self.parent.is_some() { @@ -214,6 +229,7 @@ impl Step for TheBook { name: "book".to_owned(), src: absolute_path.clone(), parent: Some(self), + languages: vec![], }); // building older edition redirects @@ -225,6 +241,7 @@ impl Step for TheBook { // There should only be one book that is marked as the parent for each target, so // treat the other editions as not having a parent. parent: Option::::None, + languages: vec![], }); } @@ -1208,6 +1225,7 @@ impl Step for RustcBook { name: "rustc".to_owned(), src: out_base, parent: Some(self), + languages: vec![], }); } } diff --git a/src/tools/rustbook/Cargo.toml b/src/tools/rustbook/Cargo.toml index 2b0dd0062b90..95f1a5d6e1d3 100644 --- a/src/tools/rustbook/Cargo.toml +++ b/src/tools/rustbook/Cargo.toml @@ -9,6 +9,7 @@ clap = "4.0.32" env_logger = "0.11" mdbook-trpl-listing = { path = "../../doc/book/packages/mdbook-trpl-listing" } mdbook-trpl-note = { path = "../../doc/book/packages/mdbook-trpl-note" } +mdbook-i18n-helpers = "0.3.3" [dependencies.mdbook] version = "0.4.37" diff --git a/src/tools/rustbook/src/main.rs b/src/tools/rustbook/src/main.rs index 9a06754e4a66..31bba56addeb 100644 --- a/src/tools/rustbook/src/main.rs +++ b/src/tools/rustbook/src/main.rs @@ -7,6 +7,7 @@ use clap::{arg, ArgMatches, Command}; use mdbook::errors::Result as Result3; use mdbook::MDBook; +use mdbook_i18n_helpers::preprocessors::Gettext; use mdbook_trpl_listing::TrplListing; use mdbook_trpl_note::TrplNote; @@ -19,6 +20,11 @@ fn main() { .required(false) .value_parser(clap::value_parser!(PathBuf)); + let l_arg = arg!(-l --"lang" +"The output language") + .required(false) + .value_parser(clap::value_parser!(String)); + let dir_arg = arg!([dir] "Root directory for the book\n\ (Defaults to the current directory when omitted)") .value_parser(clap::value_parser!(PathBuf)); @@ -33,6 +39,7 @@ fn main() { Command::new("build") .about("Build the book from the markdown files") .arg(d_arg) + .arg(l_arg) .arg(&dir_arg), ) .subcommand( @@ -63,6 +70,12 @@ pub fn build(args: &ArgMatches) -> Result3<()> { let book_dir = get_book_dir(args); let mut book = load_book(&book_dir)?; + if let Some(lang) = args.get_one::("lang") { + let gettext = Gettext; + book.with_preprocessor(gettext); + book.config.set("book.language", lang).unwrap(); + } + // Set this to allow us to catch bugs in advance. book.config.build.create_missing = false; From 45760276fd27086995d07abeae9f7e86660c2e3c Mon Sep 17 00:00:00 2001 From: Tobias Bucher Date: Mon, 3 Jun 2024 12:20:19 +0200 Subject: [PATCH 0885/1716] Remove stray "this" --- library/std/src/sys/pal/unix/fs.rs | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/library/std/src/sys/pal/unix/fs.rs b/library/std/src/sys/pal/unix/fs.rs index fbbd40bfb796..a79a232e3d5b 100644 --- a/library/std/src/sys/pal/unix/fs.rs +++ b/library/std/src/sys/pal/unix/fs.rs @@ -1910,8 +1910,7 @@ pub fn copy(from: &Path, to: &Path) -> io::Result { // The code below ensures that `FreeOnDrop` is never a null pointer unsafe { // `copyfile_state_free` returns -1 if the `to` or `from` files - // cannot be closed. However, this is not considered this an - // error. + // cannot be closed. However, this is not considered an error. libc::copyfile_state_free(self.0); } } From 07dc3ebf5c82f1f1420f37d68204600b87522383 Mon Sep 17 00:00:00 2001 From: bjorn3 <17426603+bjorn3@users.noreply.github.com> Date: Mon, 3 Jun 2024 10:45:16 +0000 Subject: [PATCH 0886/1716] Allow static mut definitions with #[linkage] Unlike static declarations with #[linkage], for definitions rustc doesn't rewrite it to add an extra indirection. --- .../rustc_codegen_ssa/src/codegen_attrs.rs | 25 ++++++++++--------- .../linkage-attr-mutable-static.rs | 15 ++++++++--- .../linkage-attr-mutable-static.stderr | 10 ++++---- 3 files changed, 30 insertions(+), 20 deletions(-) diff --git a/compiler/rustc_codegen_ssa/src/codegen_attrs.rs b/compiler/rustc_codegen_ssa/src/codegen_attrs.rs index 5d7257b15c42..15955170e873 100644 --- a/compiler/rustc_codegen_ssa/src/codegen_attrs.rs +++ b/compiler/rustc_codegen_ssa/src/codegen_attrs.rs @@ -324,21 +324,22 @@ fn codegen_fn_attrs(tcx: TyCtxt<'_>, did: LocalDefId) -> CodegenFnAttrs { let linkage = Some(linkage_by_name(tcx, did, val.as_str())); if tcx.is_foreign_item(did) { codegen_fn_attrs.import_linkage = linkage; + + if tcx.is_mutable_static(did.into()) { + let mut diag = tcx.dcx().struct_span_err( + attr.span, + "extern mutable statics are not allowed with `#[linkage]`", + ); + diag.note( + "marking the extern static mutable would allow changing which symbol \ + the static references rather than make the target of the symbol \ + mutable", + ); + diag.emit(); + } } else { codegen_fn_attrs.linkage = linkage; } - if tcx.is_mutable_static(did.into()) { - let mut diag = tcx.dcx().struct_span_err( - attr.span, - "mutable statics are not allowed with `#[linkage]`", - ); - diag.note( - "making the static mutable would allow changing which symbol the \ - static references rather than make the target of the symbol \ - mutable", - ); - diag.emit(); - } } } sym::link_section => { diff --git a/tests/ui/linkage-attr/linkage-attr-mutable-static.rs b/tests/ui/linkage-attr/linkage-attr-mutable-static.rs index a7109c6d930b..ed11947f59e7 100644 --- a/tests/ui/linkage-attr/linkage-attr-mutable-static.rs +++ b/tests/ui/linkage-attr/linkage-attr-mutable-static.rs @@ -4,12 +4,21 @@ #![feature(linkage)] fn main() { + #[rustfmt::skip] extern "C" { - #[linkage = "weak"] //~ ERROR mutable statics are not allowed with `#[linkage]` - static mut ABC: *const u8; + #[linkage = "extern_weak"] //~ ERROR extern mutable statics are not allowed with `#[linkage]` + static mut EXTERN_WEAK: *const u8; } unsafe { - assert_eq!(ABC as usize, 0); + assert_eq!(EXTERN_WEAK as usize, 0); + } + + // static mut is fine here as this is a definition rather than declaration. + #[linkage = "weak"] + static mut WEAK_DEF: u8 = 42; + + unsafe { + assert_eq!(WEAK_DEF, 0); } } diff --git a/tests/ui/linkage-attr/linkage-attr-mutable-static.stderr b/tests/ui/linkage-attr/linkage-attr-mutable-static.stderr index 4db41b623938..ad9997690475 100644 --- a/tests/ui/linkage-attr/linkage-attr-mutable-static.stderr +++ b/tests/ui/linkage-attr/linkage-attr-mutable-static.stderr @@ -1,10 +1,10 @@ -error: mutable statics are not allowed with `#[linkage]` - --> $DIR/linkage-attr-mutable-static.rs:8:9 +error: extern mutable statics are not allowed with `#[linkage]` + --> $DIR/linkage-attr-mutable-static.rs:9:9 | -LL | #[linkage = "weak"] - | ^^^^^^^^^^^^^^^^^^^ +LL | #[linkage = "extern_weak"] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: making the static mutable would allow changing which symbol the static references rather than make the target of the symbol mutable + = note: marking the extern static mutable would allow changing which symbol the static references rather than make the target of the symbol mutable error: aborting due to 1 previous error From 66a13861aee8f3754dbec65af21c2ef6ca9756f9 Mon Sep 17 00:00:00 2001 From: Andrew Wock Date: Sat, 1 Jun 2024 14:59:13 -0400 Subject: [PATCH 0887/1716] Fix ICE caused by ignoring EffectVars in type inference Signed-off-by: Andrew Wock --- compiler/rustc_infer/src/infer/mod.rs | 2 + compiler/rustc_infer/src/infer/resolve.rs | 3 + tests/crashes/119830.rs | 11 --- .../effects/spec-effectvar-ice.rs | 24 +++++++ .../effects/spec-effectvar-ice.stderr | 69 +++++++++++++++++++ 5 files changed, 98 insertions(+), 11 deletions(-) delete mode 100644 tests/crashes/119830.rs create mode 100644 tests/ui/rfcs/rfc-2632-const-trait-impl/effects/spec-effectvar-ice.rs create mode 100644 tests/ui/rfcs/rfc-2632-const-trait-impl/effects/spec-effectvar-ice.stderr diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs index c8bb6cf5f9b4..cb93ef7fdb07 100644 --- a/compiler/rustc_infer/src/infer/mod.rs +++ b/compiler/rustc_infer/src/infer/mod.rs @@ -587,6 +587,7 @@ pub enum FixupError { UnresolvedFloatTy(FloatVid), UnresolvedTy(TyVid), UnresolvedConst(ConstVid), + UnresolvedEffect(EffectVid), } /// See the `region_obligations` field for more information. @@ -614,6 +615,7 @@ impl fmt::Display for FixupError { ), UnresolvedTy(_) => write!(f, "unconstrained type"), UnresolvedConst(_) => write!(f, "unconstrained const value"), + UnresolvedEffect(_) => write!(f, "unconstrained effect value"), } } } diff --git a/compiler/rustc_infer/src/infer/resolve.rs b/compiler/rustc_infer/src/infer/resolve.rs index 21ef2e89523f..830d79f52b94 100644 --- a/compiler/rustc_infer/src/infer/resolve.rs +++ b/compiler/rustc_infer/src/infer/resolve.rs @@ -167,6 +167,9 @@ impl<'a, 'tcx> FallibleTypeFolder> for FullTypeResolver<'a, 'tcx> { ty::ConstKind::Infer(InferConst::Fresh(_)) => { bug!("Unexpected const in full const resolver: {:?}", c); } + ty::ConstKind::Infer(InferConst::EffectVar(evid)) => { + return Err(FixupError::UnresolvedEffect(evid)); + } _ => {} } c.try_super_fold_with(self) diff --git a/tests/crashes/119830.rs b/tests/crashes/119830.rs deleted file mode 100644 index 71becc04e169..000000000000 --- a/tests/crashes/119830.rs +++ /dev/null @@ -1,11 +0,0 @@ -//@ known-bug: #119830 -#![feature(effects)] -#![feature(min_specialization)] - -trait Specialize {} - -trait Foo {} - -impl const Foo for T {} - -impl const Foo for T where T: const Specialize {} diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/spec-effectvar-ice.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/spec-effectvar-ice.rs new file mode 100644 index 000000000000..9778217d462d --- /dev/null +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/spec-effectvar-ice.rs @@ -0,0 +1,24 @@ +//@ check-fail +// Fixes #119830 + +#![feature(effects)] +#![feature(min_specialization)] +#![feature(const_trait_impl)] + +trait Specialize {} + +trait Foo {} + +impl const Foo for T {} +//~^ error: const `impl` for trait `Foo` which is not marked with `#[const_trait]` +//~| error: the const parameter `host` is not constrained by the impl trait, self type, or predicates [E0207] + +impl const Foo for T where T: const Specialize {} +//~^ error: const `impl` for trait `Foo` which is not marked with `#[const_trait]` +//~| error: `const` can only be applied to `#[const_trait]` traits +//~| error: the const parameter `host` is not constrained by the impl trait, self type, or predicates [E0207] +//~| error: specialization impl does not specialize any associated items +//~| error: could not resolve generic parameters on overridden impl + +fn main() { +} diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/spec-effectvar-ice.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/spec-effectvar-ice.stderr new file mode 100644 index 000000000000..d18063f8d3d8 --- /dev/null +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/spec-effectvar-ice.stderr @@ -0,0 +1,69 @@ +error: const `impl` for trait `Foo` which is not marked with `#[const_trait]` + --> $DIR/spec-effectvar-ice.rs:12:15 + | +LL | trait Foo {} + | - help: mark `Foo` as const: `#[const_trait]` +LL | +LL | impl const Foo for T {} + | ^^^ + | + = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const` + = note: adding a non-const method body in the future would be a breaking change + +error: const `impl` for trait `Foo` which is not marked with `#[const_trait]` + --> $DIR/spec-effectvar-ice.rs:16:15 + | +LL | trait Foo {} + | - help: mark `Foo` as const: `#[const_trait]` +... +LL | impl const Foo for T where T: const Specialize {} + | ^^^ + | + = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const` + = note: adding a non-const method body in the future would be a breaking change + +error: `const` can only be applied to `#[const_trait]` traits + --> $DIR/spec-effectvar-ice.rs:16:40 + | +LL | impl const Foo for T where T: const Specialize {} + | ^^^^^^^^^^ + +error[E0207]: the const parameter `host` is not constrained by the impl trait, self type, or predicates + --> $DIR/spec-effectvar-ice.rs:12:9 + | +LL | impl const Foo for T {} + | ^^^^^ unconstrained const parameter + | + = note: expressions using a const parameter must map each value to a distinct output value + = note: proving the result of expressions other than the parameter are unique is not supported + +error[E0207]: the const parameter `host` is not constrained by the impl trait, self type, or predicates + --> $DIR/spec-effectvar-ice.rs:16:9 + | +LL | impl const Foo for T where T: const Specialize {} + | ^^^^^ unconstrained const parameter + | + = note: expressions using a const parameter must map each value to a distinct output value + = note: proving the result of expressions other than the parameter are unique is not supported + +error: specialization impl does not specialize any associated items + --> $DIR/spec-effectvar-ice.rs:16:1 + | +LL | impl const Foo for T where T: const Specialize {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +note: impl is a specialization of this impl + --> $DIR/spec-effectvar-ice.rs:12:1 + | +LL | impl const Foo for T {} + | ^^^^^^^^^^^^^^^^^^^^^^^ + +error: could not resolve generic parameters on overridden impl + --> $DIR/spec-effectvar-ice.rs:16:1 + | +LL | impl const Foo for T where T: const Specialize {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 7 previous errors + +For more information about this error, try `rustc --explain E0207`. From d392c50ca35d6d9a5e575467e3350ff798ab9930 Mon Sep 17 00:00:00 2001 From: Lukas Wirth Date: Mon, 3 Jun 2024 13:46:56 +0200 Subject: [PATCH 0888/1716] Ignore `vec_deque_alloc_error::test_shrink_to_unwind` test on non-unwind targets --- library/alloc/tests/vec_deque_alloc_error.rs | 1 + 1 file changed, 1 insertion(+) diff --git a/library/alloc/tests/vec_deque_alloc_error.rs b/library/alloc/tests/vec_deque_alloc_error.rs index c11f4556da9a..8b516ddbc5c5 100644 --- a/library/alloc/tests/vec_deque_alloc_error.rs +++ b/library/alloc/tests/vec_deque_alloc_error.rs @@ -8,6 +8,7 @@ use std::{ }; #[test] +#[cfg_attr(not(panic = "unwind"), ignore = "test requires unwinding support")] fn test_shrink_to_unwind() { // This tests that `shrink_to` leaves the deque in a consistent state when // the call to `RawVec::shrink_to_fit` unwinds. The code is adapted from #123369 From aebe8a7ed3f6b915170df8e9056f2bdbaac4de00 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Mon, 27 May 2024 08:22:32 +0000 Subject: [PATCH 0889/1716] Add regression test --- tests/ui/lifetimes/noisy-follow-up-erro.rs | 23 ++++++++++++++++ .../ui/lifetimes/noisy-follow-up-erro.stderr | 27 +++++++++++++++++++ 2 files changed, 50 insertions(+) create mode 100644 tests/ui/lifetimes/noisy-follow-up-erro.rs create mode 100644 tests/ui/lifetimes/noisy-follow-up-erro.stderr diff --git a/tests/ui/lifetimes/noisy-follow-up-erro.rs b/tests/ui/lifetimes/noisy-follow-up-erro.rs new file mode 100644 index 000000000000..47a87068d8fb --- /dev/null +++ b/tests/ui/lifetimes/noisy-follow-up-erro.rs @@ -0,0 +1,23 @@ +struct Foo<'c, 'd>(&'c (), &'d ()); + +impl<'c, 'd> Foo<'c, 'd> { + fn acc(&mut self, _bar: &Bar) -> &'d () { + todo!() + } +} + +struct Bar; + +impl<'a> Bar { + fn boom(&self, foo: &mut Foo<'_, '_, 'a>) -> Result<(), &'a ()> { + //~^ ERROR: struct takes 2 lifetime arguments but 3 lifetime arguments were supplied + self.bar().map_err(|()| foo.acc(self))?; + //~^ ERROR: explicit lifetime required in the type of `foo` + Ok(()) + } + fn bar(&self) -> Result<(), &'a ()> { + todo!() + } +} + +fn main() {} diff --git a/tests/ui/lifetimes/noisy-follow-up-erro.stderr b/tests/ui/lifetimes/noisy-follow-up-erro.stderr new file mode 100644 index 000000000000..f549009a87c1 --- /dev/null +++ b/tests/ui/lifetimes/noisy-follow-up-erro.stderr @@ -0,0 +1,27 @@ +error[E0107]: struct takes 2 lifetime arguments but 3 lifetime arguments were supplied + --> $DIR/noisy-follow-up-erro.rs:12:30 + | +LL | fn boom(&self, foo: &mut Foo<'_, '_, 'a>) -> Result<(), &'a ()> { + | ^^^ -- help: remove this lifetime argument + | | + | expected 2 lifetime arguments + | +note: struct defined here, with 2 lifetime parameters: `'c`, `'d` + --> $DIR/noisy-follow-up-erro.rs:1:8 + | +LL | struct Foo<'c, 'd>(&'c (), &'d ()); + | ^^^ -- -- + +error[E0621]: explicit lifetime required in the type of `foo` + --> $DIR/noisy-follow-up-erro.rs:14:9 + | +LL | fn boom(&self, foo: &mut Foo<'_, '_, 'a>) -> Result<(), &'a ()> { + | -------------------- help: add explicit lifetime `'a` to the type of `foo`: `&mut Foo<'_, 'a>` +LL | +LL | self.bar().map_err(|()| foo.acc(self))?; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ lifetime `'a` required + +error: aborting due to 2 previous errors + +Some errors have detailed explanations: E0107, E0621. +For more information about an error, try `rustc --explain E0107`. From 61c4b7f1a701798f01df7a685ee3bb515cb7d9f9 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Mon, 27 May 2024 09:45:40 +0000 Subject: [PATCH 0890/1716] Hide some follow-up errors --- compiler/rustc_hir_analysis/src/impl_wf_check.rs | 2 ++ tests/ui/traits/issue-78372.stderr | 12 ++++++------ 2 files changed, 8 insertions(+), 6 deletions(-) diff --git a/compiler/rustc_hir_analysis/src/impl_wf_check.rs b/compiler/rustc_hir_analysis/src/impl_wf_check.rs index 002be61196aa..5cc1ec71757b 100644 --- a/compiler/rustc_hir_analysis/src/impl_wf_check.rs +++ b/compiler/rustc_hir_analysis/src/impl_wf_check.rs @@ -86,6 +86,8 @@ fn enforce_impl_params_are_constrained( let impl_predicates = tcx.predicates_of(impl_def_id); let impl_trait_ref = tcx.impl_trait_ref(impl_def_id).map(ty::EarlyBinder::instantiate_identity); + impl_trait_ref.error_reported()?; + let mut input_parameters = cgp::parameters_for_impl(tcx, impl_self_ty, impl_trait_ref); cgp::identify_constrained_generic_params( tcx, diff --git a/tests/ui/traits/issue-78372.stderr b/tests/ui/traits/issue-78372.stderr index 58a4c229e5e6..cdcb0cdf2593 100644 --- a/tests/ui/traits/issue-78372.stderr +++ b/tests/ui/traits/issue-78372.stderr @@ -55,12 +55,6 @@ LL | impl DispatchFromDyn> for T {} = help: add `#![feature(dispatch_from_dyn)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date -error[E0378]: the trait `DispatchFromDyn` may only be implemented for a coercion between structures - --> $DIR/issue-78372.rs:3:1 - | -LL | impl DispatchFromDyn> for T {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - error[E0038]: the trait `Foo` cannot be made into an object --> $DIR/issue-78372.rs:12:17 | @@ -88,6 +82,12 @@ LL | fn foo(self: Smaht); = note: type of `self` must be `Self` or a type that dereferences to it = help: consider changing to `self`, `&self`, `&mut self`, `self: Box`, `self: Rc`, `self: Arc`, or `self: Pin

` (where P is one of the previous types except `Self`) +error[E0378]: the trait `DispatchFromDyn` may only be implemented for a coercion between structures + --> $DIR/issue-78372.rs:3:1 + | +LL | impl DispatchFromDyn> for T {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + error: aborting due to 8 previous errors Some errors have detailed explanations: E0038, E0307, E0378, E0412, E0658. From 4dec6bbcb3b8cae2e35de8b23652be75ac320be1 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Mon, 3 Jun 2024 12:56:47 +0000 Subject: [PATCH 0891/1716] Avoid an `Option` that is always `Some` --- .../src/hir_ty_lowering/generics.rs | 2 +- .../src/hir_ty_lowering/mod.rs | 18 ++++++------- .../rustc_hir_typeck/src/fn_ctxt/_impl.rs | 25 +++++++++++-------- 3 files changed, 22 insertions(+), 23 deletions(-) diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/generics.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/generics.rs index d641e33b299e..ea6841f9a823 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/generics.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/generics.rs @@ -610,7 +610,7 @@ pub(crate) fn check_generic_arg_count( explicit_late_bound, correct: lifetimes_correct .and(args_correct) - .map_err(|reported| GenericArgCountMismatch { reported: Some(reported), invalid_args }), + .map_err(|reported| GenericArgCountMismatch { reported, invalid_args }), } } diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs index 54b7f7f36ed2..4ffc8e5abd86 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs @@ -215,10 +215,9 @@ pub(crate) enum GenericArgPosition { /// A marker denoting that the generic arguments that were /// provided did not match the respective generic parameters. -#[derive(Clone, Default, Debug)] +#[derive(Clone, Debug)] pub struct GenericArgCountMismatch { - /// Indicates whether a fatal error was reported (`Some`), or just a lint (`None`). - pub reported: Option, + pub reported: ErrorGuaranteed, /// A list of spans of arguments provided that were not valid. pub invalid_args: Vec, } @@ -404,10 +403,8 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { self_ty.is_some(), ); - if let Err(err) = &arg_count.correct - && let Some(reported) = err.reported - { - self.set_tainted_by_errors(reported); + if let Err(err) = &arg_count.correct { + self.set_tainted_by_errors(err.reported); } // Skip processing if type has no generic parameters. @@ -584,13 +581,12 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { && generics.has_self && !tcx.has_attr(def_id, sym::const_trait) { - let e = tcx.dcx().emit_err(crate::errors::ConstBoundForNonConstTrait { + let reported = tcx.dcx().emit_err(crate::errors::ConstBoundForNonConstTrait { span, modifier: constness.as_str(), }); - self.set_tainted_by_errors(e); - arg_count.correct = - Err(GenericArgCountMismatch { reported: Some(e), invalid_args: vec![] }); + self.set_tainted_by_errors(reported); + arg_count.correct = Err(GenericArgCountMismatch { reported, invalid_args: vec![] }); } let args = lower_generic_args( tcx, diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs index 0c10c67db8c3..bae99fe79773 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs @@ -1118,7 +1118,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // to add defaults. If the user provided *too many* types, that's // a problem. - let mut infer_args_for_err = FxHashSet::default(); + let mut infer_args_for_err = None; let mut explicit_late_bound = ExplicitLateBound::No; for &GenericPathSegment(def_id, index) in &generic_segments { @@ -1136,9 +1136,12 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { explicit_late_bound = ExplicitLateBound::Yes; } - if let Err(GenericArgCountMismatch { reported: Some(e), .. }) = arg_count.correct { - infer_args_for_err.insert(index); - self.set_tainted_by_errors(e); // See issue #53251. + if let Err(GenericArgCountMismatch { reported, .. }) = arg_count.correct { + infer_args_for_err + .get_or_insert_with(|| (reported, FxHashSet::default())) + .1 + .insert(index); + self.set_tainted_by_errors(reported); // See issue #53251. } } @@ -1232,15 +1235,15 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { }; let def_id = res.def_id(); - let arg_count = GenericArgCountResult { - explicit_late_bound, - correct: if infer_args_for_err.is_empty() { - Ok(()) - } else { - Err(GenericArgCountMismatch::default()) - }, + let (correct, infer_args_for_err) = match infer_args_for_err { + Some((reported, args)) => { + (Err(GenericArgCountMismatch { reported, invalid_args: vec![] }), args) + } + None => (Ok(()), Default::default()), }; + let arg_count = GenericArgCountResult { explicit_late_bound, correct }; + struct CtorGenericArgsCtxt<'a, 'tcx> { fcx: &'a FnCtxt<'a, 'tcx>, span: Span, From 24af952ef7bf02501bf7a991c1c2feb110c77a7f Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Mon, 3 Jun 2024 13:06:59 +0000 Subject: [PATCH 0892/1716] Store indices of generic args instead of spans, as the actual entries are unused, just the number of entries is checked. The indices will be used in a follow-up commit --- .../src/hir_ty_lowering/errors.rs | 2 +- .../src/hir_ty_lowering/generics.rs | 15 ++------------- .../rustc_hir_analysis/src/hir_ty_lowering/mod.rs | 4 ++-- 3 files changed, 5 insertions(+), 16 deletions(-) diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/errors.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/errors.rs index 821c56530407..8ea27d0947d5 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/errors.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/errors.rs @@ -702,7 +702,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { pub(crate) fn complain_about_missing_assoc_tys( &self, associated_types: FxIndexMap>, - potential_assoc_types: Vec, + potential_assoc_types: Vec, trait_bounds: &[hir::PolyTraitRef<'_>], ) { if associated_types.values().all(|v| v.is_empty()) { diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/generics.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/generics.rs index ea6841f9a823..4ec2aa6c6262 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/generics.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/generics.rs @@ -474,16 +474,9 @@ pub(crate) fn check_generic_arg_count( return Ok(()); } - if provided_args > max_expected_args { - invalid_args.extend( - gen_args.args[max_expected_args..provided_args].iter().map(|arg| arg.span()), - ); - }; + invalid_args.extend(min_expected_args..provided_args); let gen_args_info = if provided_args > min_expected_args { - invalid_args.extend( - gen_args.args[min_expected_args..provided_args].iter().map(|arg| arg.span()), - ); let num_redundant_args = provided_args - min_expected_args; GenericArgsInfo::ExcessLifetimes { num_redundant_args } } else { @@ -538,11 +531,7 @@ pub(crate) fn check_generic_arg_count( let num_default_params = expected_max - expected_min; let gen_args_info = if provided > expected_max { - invalid_args.extend( - gen_args.args[args_offset + expected_max..args_offset + provided] - .iter() - .map(|arg| arg.span()), - ); + invalid_args.extend((expected_max..provided).map(|i| i + args_offset)); let num_redundant_args = provided - expected_max; // Provide extra note if synthetic arguments like `impl Trait` are specified. diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs index 4ffc8e5abd86..7aa01b85028c 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs @@ -218,8 +218,8 @@ pub(crate) enum GenericArgPosition { #[derive(Clone, Debug)] pub struct GenericArgCountMismatch { pub reported: ErrorGuaranteed, - /// A list of spans of arguments provided that were not valid. - pub invalid_args: Vec, + /// A list of indices of arguments provided that were not valid. + pub invalid_args: Vec, } /// Decorates the result of a generic argument count mismatch From 2e3842b6d024943dfb06c73dd15e980f6e69fcb7 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Mon, 3 Jun 2024 13:16:56 +0000 Subject: [PATCH 0893/1716] Mark all missing generic args as errors --- .../src/hir_ty_lowering/mod.rs | 39 ++++++++++++++---- tests/crashes/123917.rs | 41 ------------------- .../transmutable-ice-110969.rs | 1 - .../transmutable-ice-110969.stderr | 19 +-------- tests/ui/polymorphization/abi_mismatch.rs | 20 +++++++++ tests/ui/polymorphization/abi_mismatch.stderr | 11 +++++ 6 files changed, 63 insertions(+), 68 deletions(-) delete mode 100644 tests/crashes/123917.rs create mode 100644 tests/ui/polymorphization/abi_mismatch.rs create mode 100644 tests/ui/polymorphization/abi_mismatch.stderr diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs index 7aa01b85028c..a18164ec7405 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs @@ -422,6 +422,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { span: Span, inferred_params: Vec, infer_args: bool, + incorrect_args: &'a Result<(), GenericArgCountMismatch>, } impl<'a, 'tcx> GenericArgsLowerer<'a, 'tcx> for GenericArgsCtxt<'a, 'tcx> { @@ -508,6 +509,25 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { infer_args: bool, ) -> ty::GenericArg<'tcx> { let tcx = self.lowerer.tcx(); + + if let Err(incorrect) = self.incorrect_args { + if incorrect.invalid_args.contains(&(param.index as usize)) { + return match param.kind { + GenericParamDefKind::Lifetime => { + ty::Region::new_error(tcx, incorrect.reported).into() + } + GenericParamDefKind::Type { .. } => { + Ty::new_error(tcx, incorrect.reported).into() + } + GenericParamDefKind::Const { .. } => ty::Const::new_error( + tcx, + incorrect.reported, + Ty::new_error(tcx, incorrect.reported), + ) + .into(), + }; + } + } match param.kind { GenericParamDefKind::Lifetime => self .lowerer @@ -568,15 +588,6 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { } } } - - let mut args_ctx = GenericArgsCtxt { - lowerer: self, - def_id, - span, - generic_args: segment.args(), - inferred_params: vec![], - infer_args: segment.infer_args, - }; if let ty::BoundConstness::Const | ty::BoundConstness::ConstIfConst = constness && generics.has_self && !tcx.has_attr(def_id, sym::const_trait) @@ -588,6 +599,16 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { self.set_tainted_by_errors(reported); arg_count.correct = Err(GenericArgCountMismatch { reported, invalid_args: vec![] }); } + + let mut args_ctx = GenericArgsCtxt { + lowerer: self, + def_id, + span, + generic_args: segment.args(), + inferred_params: vec![], + infer_args: segment.infer_args, + incorrect_args: &arg_count.correct, + }; let args = lower_generic_args( tcx, def_id, diff --git a/tests/crashes/123917.rs b/tests/crashes/123917.rs deleted file mode 100644 index 66e754606622..000000000000 --- a/tests/crashes/123917.rs +++ /dev/null @@ -1,41 +0,0 @@ -//@ known-bug: #123917 -//@ compile-flags: -Zmir-opt-level=5 -Zpolymorphize=on - -use std::marker::PhantomData; - -pub struct Id<'id>(); - -pub struct Item<'life, T> { - data: T, -} - -pub struct Token<'life, 'borrow, 'compact, 'reborrow, T> -where - 'life: 'reborrow, - T: Tokenize, -{ - ptr: *mut ::Tokenized, - ptr: core::ptr::NonNull, - _phantom: PhantomData>, -} - -impl<'life> Arena<'life> { - pub fn tokenize<'before, 'compact, 'borrow, 'reborrow, T, U>( - item: Item<'life, &'before mut T>, - ) -> Token<'life, 'borrow, 'compact, 'reborrow, U> - where - T: Tokenize<'life, 'borrow, 'compact, 'reborrow, Untokenized = U>, - T::Untokenized: Tokenize<'life, 'borrow, 'compact, 'reborrow>, - { - let dst = item.data as *mut T as *mut T::Tokenized; - Token { - ptr: core::ptr::NonNull::new(dst as *mut _).unwrap(), - _phantom: PhantomData, - } - } -} - -pub trait Tokenize { - type Tokenized; - type Untokenized; -} diff --git a/tests/ui/const-generics/adt_const_params/transmutable-ice-110969.rs b/tests/ui/const-generics/adt_const_params/transmutable-ice-110969.rs index 68b8b4898168..569e57fa3262 100644 --- a/tests/ui/const-generics/adt_const_params/transmutable-ice-110969.rs +++ b/tests/ui/const-generics/adt_const_params/transmutable-ice-110969.rs @@ -24,7 +24,6 @@ fn via_associated_const() { trait Trait { const FALSE: bool = assert::is_transmutable::(); //~^ ERROR mismatched types - //~| ERROR `Src` cannot be safely transmuted into `Dst` //~| ERROR mismatched types } } diff --git a/tests/ui/const-generics/adt_const_params/transmutable-ice-110969.stderr b/tests/ui/const-generics/adt_const_params/transmutable-ice-110969.stderr index 1dbacaee3c2d..a8fc742e89f5 100644 --- a/tests/ui/const-generics/adt_const_params/transmutable-ice-110969.stderr +++ b/tests/ui/const-generics/adt_const_params/transmutable-ice-110969.stderr @@ -12,28 +12,13 @@ error[E0308]: mismatched types LL | const FALSE: bool = assert::is_transmutable::(); | ^^ expected `Assume`, found `()` -error[E0277]: `Src` cannot be safely transmuted into `Dst` - --> $DIR/transmutable-ice-110969.rs:25:60 - | -LL | const FALSE: bool = assert::is_transmutable::(); - | ^^^ `Dst` may carry safety invariants - | -note: required by a bound in `is_transmutable` - --> $DIR/transmutable-ice-110969.rs:11:14 - | -LL | pub fn is_transmutable() - | --------------- required by a bound in this function -LL | where -LL | Dst: BikeshedIntrinsicFrom, - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` - error[E0308]: mismatched types --> $DIR/transmutable-ice-110969.rs:25:29 | LL | const FALSE: bool = assert::is_transmutable::(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found `()` -error: aborting due to 4 previous errors +error: aborting due to 3 previous errors -Some errors have detailed explanations: E0107, E0277, E0308. +Some errors have detailed explanations: E0107, E0308. For more information about an error, try `rustc --explain E0107`. diff --git a/tests/ui/polymorphization/abi_mismatch.rs b/tests/ui/polymorphization/abi_mismatch.rs new file mode 100644 index 000000000000..22c2c162d1c1 --- /dev/null +++ b/tests/ui/polymorphization/abi_mismatch.rs @@ -0,0 +1,20 @@ +//! This test used to ICE: #123917 +//! The reason was that while the AST knows about two fields +//! named `ptr`, only one exists at the layout level, so accessing +//! `_extra_field` would use an oob index +//@ compile-flags: -Zmir-opt-level=5 -Zpolymorphize=on + +struct NonNull(*mut T); + +struct Token { + ptr: *mut T, + ptr: NonNull, + //~^ ERROR: `ptr` is already declared + _extra_field: (), +} + +fn tokenize(item: *mut T) -> Token { + Token { ptr: NonNull(item), _extra_field: () } +} + +fn main() {} diff --git a/tests/ui/polymorphization/abi_mismatch.stderr b/tests/ui/polymorphization/abi_mismatch.stderr new file mode 100644 index 000000000000..e96c737f7773 --- /dev/null +++ b/tests/ui/polymorphization/abi_mismatch.stderr @@ -0,0 +1,11 @@ +error[E0124]: field `ptr` is already declared + --> $DIR/abi_mismatch.rs:11:5 + | +LL | ptr: *mut T, + | ----------- `ptr` first declared here +LL | ptr: NonNull, + | ^^^^^^^^^^^^^^^ field already declared + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0124`. From adb2ac01657d8c0e972d641b6d22cc9b98ae217a Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Mon, 3 Jun 2024 13:21:17 +0000 Subject: [PATCH 0894/1716] Mark all extraneous generic args as errors --- .../src/hir_ty_lowering/mod.rs | 19 +++++++++++ tests/crashes/121134.rs | 20 ------------ ...lid-assoc-type-suggestion-in-trait-impl.rs | 2 -- ...assoc-type-suggestion-in-trait-impl.stderr | 32 ++++++------------- ...aram_mismatch_in_unsatisfied_projection.rs | 27 ++++++++++++++++ ..._mismatch_in_unsatisfied_projection.stderr | 19 +++++++++++ tests/ui/transmutability/issue-101739-2.rs | 1 - .../ui/transmutability/issue-101739-2.stderr | 20 ++---------- 8 files changed, 77 insertions(+), 63 deletions(-) delete mode 100644 tests/crashes/121134.rs create mode 100644 tests/ui/traits/generic_param_mismatch_in_unsatisfied_projection.rs create mode 100644 tests/ui/traits/generic_param_mismatch_in_unsatisfied_projection.stderr diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs index a18164ec7405..d26ebe9881b8 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs @@ -442,6 +442,25 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { ) -> ty::GenericArg<'tcx> { let tcx = self.lowerer.tcx(); + if let Err(incorrect) = self.incorrect_args { + if incorrect.invalid_args.contains(&(param.index as usize)) { + return match param.kind { + GenericParamDefKind::Lifetime => { + ty::Region::new_error(tcx, incorrect.reported).into() + } + GenericParamDefKind::Type { .. } => { + Ty::new_error(tcx, incorrect.reported).into() + } + GenericParamDefKind::Const { .. } => ty::Const::new_error( + tcx, + incorrect.reported, + Ty::new_error(tcx, incorrect.reported), + ) + .into(), + }; + } + } + let mut handle_ty_args = |has_default, ty: &hir::Ty<'tcx>| { if has_default { tcx.check_optional_stability( diff --git a/tests/crashes/121134.rs b/tests/crashes/121134.rs deleted file mode 100644 index 36397d4ec3c0..000000000000 --- a/tests/crashes/121134.rs +++ /dev/null @@ -1,20 +0,0 @@ -//@ known-bug: #121134 -trait Output<'a> { - type Type; -} - -struct Wrapper; - -impl Wrapper { - fn do_something_wrapper(&mut self, do_something_wrapper: F) - where - FnOnce:, - F: for<'a> FnOnce(>::Type), - { - } -} - -fn main() { - let mut wrapper = Wrapper; - wrapper.do_something_wrapper::(|value| ()); -} diff --git a/tests/ui/traits/associated_type_bound/116464-invalid-assoc-type-suggestion-in-trait-impl.rs b/tests/ui/traits/associated_type_bound/116464-invalid-assoc-type-suggestion-in-trait-impl.rs index cab484a120c3..445ea2de610f 100644 --- a/tests/ui/traits/associated_type_bound/116464-invalid-assoc-type-suggestion-in-trait-impl.rs +++ b/tests/ui/traits/associated_type_bound/116464-invalid-assoc-type-suggestion-in-trait-impl.rs @@ -14,14 +14,12 @@ impl Trait for i32 { // Should not not trigger suggestion here... impl Trait for () {} //~^ ERROR trait takes 1 generic argument but 2 generic arguments were supplied -//~| ERROR `S` is not constrained //... but should do so in all of the below cases except the last one fn func>(t: T) -> impl Trait<(), i32> { //~^ ERROR trait takes 1 generic argument but 2 generic arguments were supplied //~| ERROR trait takes 1 generic argument but 2 generic arguments were supplied //~| ERROR trait takes 1 generic argument but 2 generic arguments were supplied -//~| ERROR type annotations needed 3 } diff --git a/tests/ui/traits/associated_type_bound/116464-invalid-assoc-type-suggestion-in-trait-impl.stderr b/tests/ui/traits/associated_type_bound/116464-invalid-assoc-type-suggestion-in-trait-impl.stderr index 99e81a9039e7..06e2fa5d4d1f 100644 --- a/tests/ui/traits/associated_type_bound/116464-invalid-assoc-type-suggestion-in-trait-impl.stderr +++ b/tests/ui/traits/associated_type_bound/116464-invalid-assoc-type-suggestion-in-trait-impl.stderr @@ -16,14 +16,8 @@ note: trait defined here, with 1 generic parameter: `T` LL | pub trait Trait { | ^^^^^ - -error[E0207]: the type parameter `S` is not constrained by the impl trait, self type, or predicates - --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:15:9 - | -LL | impl Trait for () {} - | ^ unconstrained type parameter - error[E0107]: trait takes 1 generic argument but 2 generic arguments were supplied - --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:20:12 + --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:19:12 | LL | fn func>(t: T) -> impl Trait<(), i32> { | ^^^^^ expected 1 generic argument @@ -39,7 +33,7 @@ LL | fn func>(t: T) -> impl Trait<(), i32> { | +++++++ error[E0107]: trait takes 1 generic argument but 2 generic arguments were supplied - --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:20:46 + --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:19:46 | LL | fn func>(t: T) -> impl Trait<(), i32> { | ^^^^^ expected 1 generic argument @@ -55,7 +49,7 @@ LL | fn func>(t: T) -> impl Trait<(), Assoc = i32> { | +++++++ error[E0107]: trait takes 1 generic argument but 2 generic arguments were supplied - --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:20:46 + --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:19:46 | LL | fn func>(t: T) -> impl Trait<(), i32> { | ^^^^^ expected 1 generic argument @@ -71,14 +65,8 @@ help: replace the generic bound with the associated type LL | fn func>(t: T) -> impl Trait<(), Assoc = i32> { | +++++++ -error[E0282]: type annotations needed - --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:20:41 - | -LL | fn func>(t: T) -> impl Trait<(), i32> { - | ^^^^^^^^^^^^^^^^^^^ cannot infer type - error[E0107]: trait takes 1 generic argument but 2 generic arguments were supplied - --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:28:18 + --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:26:18 | LL | struct Struct> { | ^^^^^ expected 1 generic argument @@ -94,7 +82,7 @@ LL | struct Struct> { | +++++++ error[E0107]: trait takes 1 generic argument but 2 generic arguments were supplied - --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:33:23 + --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:31:23 | LL | trait AnotherTrait> {} | ^^^^^ expected 1 generic argument @@ -110,7 +98,7 @@ LL | trait AnotherTrait> {} | +++++++ error[E0107]: trait takes 1 generic argument but 2 generic arguments were supplied - --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:36:9 + --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:34:9 | LL | impl> Struct {} | ^^^^^ expected 1 generic argument @@ -126,7 +114,7 @@ LL | impl> Struct {} | +++++++ error[E0107]: struct takes 1 generic argument but 2 generic arguments were supplied - --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:42:58 + --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:40:58 | LL | impl, U> YetAnotherTrait for Struct {} | ^^^^^^ - help: remove this generic argument @@ -134,12 +122,12 @@ LL | impl, U> YetAnotherTrait for Struct {} | expected 1 generic argument | note: struct defined here, with 1 generic parameter: `T` - --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:28:8 + --> $DIR/116464-invalid-assoc-type-suggestion-in-trait-impl.rs:26:8 | LL | struct Struct> { | ^^^^^^ - -error: aborting due to 11 previous errors +error: aborting due to 9 previous errors -Some errors have detailed explanations: E0107, E0207, E0282. +Some errors have detailed explanations: E0107, E0207. For more information about an error, try `rustc --explain E0107`. diff --git a/tests/ui/traits/generic_param_mismatch_in_unsatisfied_projection.rs b/tests/ui/traits/generic_param_mismatch_in_unsatisfied_projection.rs new file mode 100644 index 000000000000..bf1278f992b6 --- /dev/null +++ b/tests/ui/traits/generic_param_mismatch_in_unsatisfied_projection.rs @@ -0,0 +1,27 @@ +//! This test used to ICE: #121134 +//! The issue is that we're trying to prove a projection, but there's +//! no bound for the projection's trait, and the projection has the wrong +//! kind of generic parameter (lifetime vs type). +//! When actually calling the function with those broken bounds, trying to +//! instantiate the bounds with inference vars would ICE. +#![feature(unboxed_closures)] + +trait Output<'a> { + type Type; +} + +struct Wrapper; + +impl Wrapper { + fn do_something_wrapper(&mut self, _: F) + where + F: for<'a> FnOnce(>::Type), + //~^ ERROR: trait takes 0 generic arguments but 1 generic argument was supplied + { + } +} + +fn main() { + let mut wrapper = Wrapper; + wrapper.do_something_wrapper(|value| ()); +} diff --git a/tests/ui/traits/generic_param_mismatch_in_unsatisfied_projection.stderr b/tests/ui/traits/generic_param_mismatch_in_unsatisfied_projection.stderr new file mode 100644 index 000000000000..acda3418894d --- /dev/null +++ b/tests/ui/traits/generic_param_mismatch_in_unsatisfied_projection.stderr @@ -0,0 +1,19 @@ +error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied + --> $DIR/generic_param_mismatch_in_unsatisfied_projection.rs:18:33 + | +LL | F: for<'a> FnOnce(>::Type), + | ^^^^^^ expected 0 generic arguments + | +note: trait defined here, with 0 generic parameters + --> $DIR/generic_param_mismatch_in_unsatisfied_projection.rs:9:7 + | +LL | trait Output<'a> { + | ^^^^^^ +help: replace the generic bound with the associated type + | +LL | F: for<'a> FnOnce(>::Type), + | ++++++ + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0107`. diff --git a/tests/ui/transmutability/issue-101739-2.rs b/tests/ui/transmutability/issue-101739-2.rs index e2cec24aac14..1c0bd29d7079 100644 --- a/tests/ui/transmutability/issue-101739-2.rs +++ b/tests/ui/transmutability/issue-101739-2.rs @@ -15,7 +15,6 @@ mod assert { >() where Dst: BikeshedIntrinsicFrom< //~ ERROR trait takes at most 2 generic arguments but 5 generic arguments were supplied - //~^ ERROR: the constant `ASSUME_ALIGNMENT` is not of type `Assume` Src, ASSUME_ALIGNMENT, //~ ERROR: mismatched types ASSUME_LIFETIMES, diff --git a/tests/ui/transmutability/issue-101739-2.stderr b/tests/ui/transmutability/issue-101739-2.stderr index 639b44608924..38912696c18e 100644 --- a/tests/ui/transmutability/issue-101739-2.stderr +++ b/tests/ui/transmutability/issue-101739-2.stderr @@ -9,29 +9,13 @@ LL | | ASSUME_VALIDITY, LL | | ASSUME_VISIBILITY, | |_____________________________- help: remove these generic arguments -error: the constant `ASSUME_ALIGNMENT` is not of type `Assume` - --> $DIR/issue-101739-2.rs:17:14 - | -LL | Dst: BikeshedIntrinsicFrom< - | ______________^ -LL | | -LL | | Src, -LL | | ASSUME_ALIGNMENT, -... | -LL | | ASSUME_VISIBILITY, -LL | | >, - | |_________^ expected `Assume`, found `bool` - | -note: required by a bound in `BikeshedIntrinsicFrom` - --> $SRC_DIR/core/src/mem/transmutability.rs:LL:COL - error[E0308]: mismatched types - --> $DIR/issue-101739-2.rs:20:13 + --> $DIR/issue-101739-2.rs:19:13 | LL | ASSUME_ALIGNMENT, | ^^^^^^^^^^^^^^^^ expected `Assume`, found `bool` -error: aborting due to 3 previous errors +error: aborting due to 2 previous errors Some errors have detailed explanations: E0107, E0308. For more information about an error, try `rustc --explain E0107`. From 084ccd23901366cef0b2921ae3cd069a74295ad9 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sat, 1 Jun 2024 13:22:35 -0400 Subject: [PATCH 0895/1716] Remove unnecessary extension trait --- .../src/infer/canonical/query_response.rs | 2 +- compiler/rustc_infer/src/infer/mod.rs | 2 +- compiler/rustc_infer/src/traits/engine.rs | 44 +++++++++---------- compiler/rustc_infer/src/traits/mod.rs | 2 +- .../src/solve/normalize.rs | 1 - .../src/traits/engine.rs | 4 +- 6 files changed, 24 insertions(+), 31 deletions(-) diff --git a/compiler/rustc_infer/src/infer/canonical/query_response.rs b/compiler/rustc_infer/src/infer/canonical/query_response.rs index 1732913e1915..1dbc1ae7ddd2 100644 --- a/compiler/rustc_infer/src/infer/canonical/query_response.rs +++ b/compiler/rustc_infer/src/infer/canonical/query_response.rs @@ -15,8 +15,8 @@ use crate::infer::canonical::{ use crate::infer::region_constraints::{Constraint, RegionConstraintData}; use crate::infer::{DefineOpaqueTypes, InferCtxt, InferOk, InferResult}; use crate::traits::query::NoSolution; +use crate::traits::TraitEngine; use crate::traits::{Obligation, ObligationCause, PredicateObligation}; -use crate::traits::{TraitEngine, TraitEngineExt}; use rustc_data_structures::captures::Captures; use rustc_index::Idx; use rustc_index::IndexVec; diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs index c8bb6cf5f9b4..617e6a245ed7 100644 --- a/compiler/rustc_infer/src/infer/mod.rs +++ b/compiler/rustc_infer/src/infer/mod.rs @@ -12,7 +12,7 @@ pub use SubregionOrigin::*; pub use ValuePairs::*; use crate::traits::{ - self, ObligationCause, ObligationInspector, PredicateObligations, TraitEngine, TraitEngineExt, + self, ObligationCause, ObligationInspector, PredicateObligations, TraitEngine, }; use error_reporting::TypeErrCtxt; use free_regions::RegionRelations; diff --git a/compiler/rustc_infer/src/traits/engine.rs b/compiler/rustc_infer/src/traits/engine.rs index e27e6a0a4a15..a4bcd9d2c8a4 100644 --- a/compiler/rustc_infer/src/traits/engine.rs +++ b/compiler/rustc_infer/src/traits/engine.rs @@ -1,7 +1,6 @@ use crate::infer::InferCtxt; use crate::traits::Obligation; use rustc_hir::def_id::DefId; -use rustc_macros::extension; use rustc_middle::ty::{self, Ty, Upcast}; use super::FulfillmentError; @@ -37,11 +36,31 @@ pub trait TraitEngine<'tcx>: 'tcx { obligation: PredicateObligation<'tcx>, ); + fn register_predicate_obligations( + &mut self, + infcx: &InferCtxt<'tcx>, + obligations: Vec>, + ) { + for obligation in obligations { + self.register_predicate_obligation(infcx, obligation); + } + } + #[must_use] fn select_where_possible(&mut self, infcx: &InferCtxt<'tcx>) -> Vec>; fn collect_remaining_errors(&mut self, infcx: &InferCtxt<'tcx>) -> Vec>; + #[must_use] + fn select_all_or_error(&mut self, infcx: &InferCtxt<'tcx>) -> Vec> { + let errors = self.select_where_possible(infcx); + if !errors.is_empty() { + return errors; + } + + self.collect_remaining_errors(infcx) + } + fn pending_obligations(&self) -> Vec>; /// Among all pending obligations, collect those are stalled on a inference variable which has @@ -52,26 +71,3 @@ pub trait TraitEngine<'tcx>: 'tcx { infcx: &InferCtxt<'tcx>, ) -> Vec>; } - -#[extension(pub trait TraitEngineExt<'tcx>)] -impl<'tcx, T: ?Sized + TraitEngine<'tcx>> T { - fn register_predicate_obligations( - &mut self, - infcx: &InferCtxt<'tcx>, - obligations: impl IntoIterator>, - ) { - for obligation in obligations { - self.register_predicate_obligation(infcx, obligation); - } - } - - #[must_use] - fn select_all_or_error(&mut self, infcx: &InferCtxt<'tcx>) -> Vec> { - let errors = self.select_where_possible(infcx); - if !errors.is_empty() { - return errors; - } - - self.collect_remaining_errors(infcx) - } -} diff --git a/compiler/rustc_infer/src/traits/mod.rs b/compiler/rustc_infer/src/traits/mod.rs index 0ae4340098bc..8304fa3c8a2f 100644 --- a/compiler/rustc_infer/src/traits/mod.rs +++ b/compiler/rustc_infer/src/traits/mod.rs @@ -23,7 +23,7 @@ pub use self::ImplSource::*; pub use self::SelectionError::*; use crate::infer::InferCtxt; -pub use self::engine::{TraitEngine, TraitEngineExt}; +pub use self::engine::TraitEngine; pub use self::project::MismatchedProjectionTypes; pub(crate) use self::project::UndoLog; pub use self::project::{ diff --git a/compiler/rustc_trait_selection/src/solve/normalize.rs b/compiler/rustc_trait_selection/src/solve/normalize.rs index 5d5161e092e3..970848544c5a 100644 --- a/compiler/rustc_trait_selection/src/solve/normalize.rs +++ b/compiler/rustc_trait_selection/src/solve/normalize.rs @@ -4,7 +4,6 @@ use crate::traits::{BoundVarReplacer, PlaceholderReplacer}; use rustc_data_structures::stack::ensure_sufficient_stack; use rustc_infer::infer::at::At; use rustc_infer::infer::InferCtxt; -use rustc_infer::traits::TraitEngineExt; use rustc_infer::traits::{FulfillmentError, Obligation, TraitEngine}; use rustc_middle::traits::ObligationCause; use rustc_middle::ty::{self, Ty, TyCtxt, UniverseIndex}; diff --git a/compiler/rustc_trait_selection/src/traits/engine.rs b/compiler/rustc_trait_selection/src/traits/engine.rs index 4684c7171d82..6fed24c49e0b 100644 --- a/compiler/rustc_trait_selection/src/traits/engine.rs +++ b/compiler/rustc_trait_selection/src/traits/engine.rs @@ -18,9 +18,7 @@ use rustc_infer::infer::canonical::{ use rustc_infer::infer::outlives::env::OutlivesEnvironment; use rustc_infer::infer::RegionResolutionError; use rustc_infer::infer::{DefineOpaqueTypes, InferCtxt, InferOk}; -use rustc_infer::traits::{ - FulfillmentError, Obligation, ObligationCause, PredicateObligation, TraitEngineExt as _, -}; +use rustc_infer::traits::{FulfillmentError, Obligation, ObligationCause, PredicateObligation}; use rustc_macros::extension; use rustc_middle::arena::ArenaAllocatable; use rustc_middle::traits::query::NoSolution; From 54b2b7d460fd0847508b781219d380231c4fee72 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sat, 1 Jun 2024 14:12:34 -0400 Subject: [PATCH 0896/1716] Make TraitEngines generic over error --- .../src/type_check/constraint_conversion.rs | 3 +- .../src/check/compare_impl_item.rs | 4 +- .../src/coherence/orphan.rs | 5 +- .../src/hir_ty_lowering/errors.rs | 2 +- .../rustc_hir_typeck/src/typeck_root_ctxt.rs | 8 +- .../src/infer/canonical/query_response.rs | 25 ++---- compiler/rustc_infer/src/infer/mod.rs | 7 +- compiler/rustc_infer/src/traits/engine.rs | 19 +++-- compiler/rustc_infer/src/traits/mod.rs | 34 +------- .../src/traits/structural_impls.rs | 6 -- compiler/rustc_trait_selection/src/regions.rs | 4 +- .../src/solve/fulfill.rs | 84 ++++++++++++++----- .../rustc_trait_selection/src/solve/mod.rs | 2 +- .../src/solve/normalize.rs | 53 +++++++----- .../src/traits/coherence.rs | 2 +- .../src/traits/engine.rs | 22 +++-- .../src/traits/fulfill.rs | 51 ++++++----- .../rustc_trait_selection/src/traits/misc.rs | 4 +- .../rustc_trait_selection/src/traits/mod.rs | 43 ++++++++++ .../src/traits/normalize.rs | 13 ++- .../src/traits/query/normalize.rs | 7 +- .../query/type_op/implied_outlives_bounds.rs | 4 +- .../src/traits/structural_normalize.rs | 8 +- 23 files changed, 253 insertions(+), 157 deletions(-) diff --git a/compiler/rustc_borrowck/src/type_check/constraint_conversion.rs b/compiler/rustc_borrowck/src/type_check/constraint_conversion.rs index b23ad2e15842..4037f04d0bce 100644 --- a/compiler/rustc_borrowck/src/type_check/constraint_conversion.rs +++ b/compiler/rustc_borrowck/src/type_check/constraint_conversion.rs @@ -13,6 +13,7 @@ use rustc_span::Span; use rustc_trait_selection::solve::deeply_normalize; use rustc_trait_selection::traits::query::type_op::custom::CustomTypeOp; use rustc_trait_selection::traits::query::type_op::{TypeOp, TypeOpOutput}; +use rustc_trait_selection::traits::FulfillmentError; use crate::{ constraints::OutlivesConstraint, @@ -286,7 +287,7 @@ impl<'a, 'tcx> ConstraintConversion<'a, 'tcx> { ocx.infcx.at(&ObligationCause::dummy_with_span(self.span), self.param_env), ty, ) - .map_err(|_| NoSolution) + .map_err(|_: Vec>| NoSolution) }, "normalize type outlives obligation", ) diff --git a/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs b/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs index db749ef3f81b..17db1c07383f 100644 --- a/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs +++ b/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs @@ -10,7 +10,7 @@ use rustc_hir::intravisit; use rustc_hir::{GenericParamKind, ImplItemKind}; use rustc_infer::infer::outlives::env::OutlivesEnvironment; use rustc_infer::infer::{self, InferCtxt, TyCtxtInferExt}; -use rustc_infer::traits::{util, FulfillmentError}; +use rustc_infer::traits::util; use rustc_middle::ty::error::{ExpectedFound, TypeError}; use rustc_middle::ty::fold::BottomUpFolder; use rustc_middle::ty::util::ExplicitSelf; @@ -25,7 +25,7 @@ use rustc_trait_selection::regions::InferCtxtRegionExt; use rustc_trait_selection::traits::error_reporting::TypeErrCtxtExt; use rustc_trait_selection::traits::outlives_bounds::InferCtxtExt as _; use rustc_trait_selection::traits::{ - self, ObligationCause, ObligationCauseCode, ObligationCtxt, Reveal, + self, FulfillmentError, ObligationCause, ObligationCauseCode, ObligationCtxt, Reveal, }; use std::borrow::Cow; use std::iter; diff --git a/compiler/rustc_hir_analysis/src/coherence/orphan.rs b/compiler/rustc_hir_analysis/src/coherence/orphan.rs index bdac0d9b0b40..a4818b25f98c 100644 --- a/compiler/rustc_hir_analysis/src/coherence/orphan.rs +++ b/compiler/rustc_hir_analysis/src/coherence/orphan.rs @@ -13,8 +13,8 @@ use rustc_middle::ty::{TypeSuperVisitable, TypeVisitable, TypeVisitableExt, Type use rustc_middle::{bug, span_bug}; use rustc_span::def_id::{DefId, LocalDefId}; use rustc_trait_selection::traits::{self, IsFirstInputType, UncoveredTyParams}; +use rustc_trait_selection::traits::{FulfillmentError, StructurallyNormalizeExt, TraitEngineExt}; use rustc_trait_selection::traits::{OrphanCheckErr, OrphanCheckMode}; -use rustc_trait_selection::traits::{StructurallyNormalizeExt, TraitEngineExt}; #[instrument(level = "debug", skip(tcx))] pub(crate) fn orphan_check_impl( @@ -317,7 +317,8 @@ fn orphan_check<'tcx>( } let ty = if infcx.next_trait_solver() { - let mut fulfill_cx = >::new(&infcx); + let mut fulfill_cx = + >>::new(&infcx); infcx .at(&cause, ty::ParamEnv::empty()) .structurally_normalize(ty, &mut *fulfill_cx) diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/errors.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/errors.rs index 821c56530407..f646e7de26b9 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/errors.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/errors.rs @@ -15,7 +15,6 @@ use rustc_errors::{ use rustc_hir as hir; use rustc_hir::def::{DefKind, Res}; use rustc_hir::def_id::{DefId, LocalDefId}; -use rustc_infer::traits::FulfillmentError; use rustc_middle::bug; use rustc_middle::query::Key; use rustc_middle::ty::print::{PrintPolyTraitRefExt as _, PrintTraitRefExt as _}; @@ -28,6 +27,7 @@ use rustc_span::edit_distance::find_best_match_for_name; use rustc_span::symbol::{kw, sym, Ident}; use rustc_span::BytePos; use rustc_span::{Span, Symbol, DUMMY_SP}; +use rustc_trait_selection::traits::FulfillmentError; use rustc_trait_selection::traits::{ object_safety_violations_for_assoc_item, TraitAliasExpansionInfo, }; diff --git a/compiler/rustc_hir_typeck/src/typeck_root_ctxt.rs b/compiler/rustc_hir_typeck/src/typeck_root_ctxt.rs index 19d6481cc1b8..0dfc5408f306 100644 --- a/compiler/rustc_hir_typeck/src/typeck_root_ctxt.rs +++ b/compiler/rustc_hir_typeck/src/typeck_root_ctxt.rs @@ -11,7 +11,9 @@ use rustc_middle::ty::{self, Ty, TyCtxt}; use rustc_span::def_id::LocalDefIdMap; use rustc_span::Span; use rustc_trait_selection::traits::query::evaluate_obligation::InferCtxtExt; -use rustc_trait_selection::traits::{self, PredicateObligation, TraitEngine, TraitEngineExt as _}; +use rustc_trait_selection::traits::{ + self, FulfillmentError, PredicateObligation, TraitEngine, TraitEngineExt as _, +}; use std::cell::RefCell; use std::ops::Deref; @@ -34,7 +36,7 @@ pub(crate) struct TypeckRootCtxt<'tcx> { pub(super) locals: RefCell>>, - pub(super) fulfillment_cx: RefCell>>, + pub(super) fulfillment_cx: RefCell>>>, /// Some additional `Sized` obligations badly affect type inference. /// These obligations are added in a later stage of typeck. @@ -83,7 +85,7 @@ impl<'tcx> TypeckRootCtxt<'tcx> { TypeckRootCtxt { typeck_results, - fulfillment_cx: RefCell::new(>::new(&infcx)), + fulfillment_cx: RefCell::new(>::new(&infcx)), infcx, locals: RefCell::new(Default::default()), deferred_sized_obligations: RefCell::new(Vec::new()), diff --git a/compiler/rustc_infer/src/infer/canonical/query_response.rs b/compiler/rustc_infer/src/infer/canonical/query_response.rs index 1dbc1ae7ddd2..4917f936f4e1 100644 --- a/compiler/rustc_infer/src/infer/canonical/query_response.rs +++ b/compiler/rustc_infer/src/infer/canonical/query_response.rs @@ -15,7 +15,7 @@ use crate::infer::canonical::{ use crate::infer::region_constraints::{Constraint, RegionConstraintData}; use crate::infer::{DefineOpaqueTypes, InferCtxt, InferOk, InferResult}; use crate::traits::query::NoSolution; -use crate::traits::TraitEngine; +use crate::traits::{FulfillmentErrorLike, TraitEngine}; use crate::traits::{Obligation, ObligationCause, PredicateObligation}; use rustc_data_structures::captures::Captures; use rustc_index::Idx; @@ -50,11 +50,11 @@ impl<'tcx> InferCtxt<'tcx> { /// - Finally, if any of the obligations result in a hard error, /// then `Err(NoSolution)` is returned. #[instrument(skip(self, inference_vars, answer, fulfill_cx), level = "trace")] - pub fn make_canonicalized_query_response( + pub fn make_canonicalized_query_response>( &self, inference_vars: CanonicalVarValues<'tcx>, answer: T, - fulfill_cx: &mut dyn TraitEngine<'tcx>, + fulfill_cx: &mut dyn TraitEngine<'tcx, E>, ) -> Result, NoSolution> where T: Debug + TypeFoldable>, @@ -97,11 +97,11 @@ impl<'tcx> InferCtxt<'tcx> { /// Helper for `make_canonicalized_query_response` that does /// everything up until the final canonicalization. #[instrument(skip(self, fulfill_cx), level = "debug")] - fn make_query_response( + fn make_query_response>( &self, inference_vars: CanonicalVarValues<'tcx>, answer: T, - fulfill_cx: &mut dyn TraitEngine<'tcx>, + fulfill_cx: &mut dyn TraitEngine<'tcx, E>, ) -> Result, NoSolution> where T: Debug + TypeFoldable>, @@ -109,19 +109,13 @@ impl<'tcx> InferCtxt<'tcx> { let tcx = self.tcx; // Select everything, returning errors. - let true_errors = fulfill_cx.select_where_possible(self); - debug!("true_errors = {:#?}", true_errors); + let errors = fulfill_cx.select_all_or_error(self); - if !true_errors.is_empty() { - // FIXME -- we don't indicate *why* we failed to solve - debug!("make_query_response: true_errors={:#?}", true_errors); + // True error! + if errors.iter().any(|e| e.is_true_error()) { return Err(NoSolution); } - // Anything left unselected *now* must be an ambiguity. - let ambig_errors = fulfill_cx.select_all_or_error(self); - debug!("ambig_errors = {:#?}", ambig_errors); - let region_obligations = self.take_registered_region_obligations(); debug!(?region_obligations); let region_constraints = self.with_region_constraints(|region_constraints| { @@ -135,8 +129,7 @@ impl<'tcx> InferCtxt<'tcx> { }); debug!(?region_constraints); - let certainty = - if ambig_errors.is_empty() { Certainty::Proven } else { Certainty::Ambiguous }; + let certainty = if errors.is_empty() { Certainty::Proven } else { Certainty::Ambiguous }; let opaque_types = self.take_opaque_types_for_query_response(); diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs index 617e6a245ed7..5183d9e2d6eb 100644 --- a/compiler/rustc_infer/src/infer/mod.rs +++ b/compiler/rustc_infer/src/infer/mod.rs @@ -12,7 +12,8 @@ pub use SubregionOrigin::*; pub use ValuePairs::*; use crate::traits::{ - self, ObligationCause, ObligationInspector, PredicateObligations, TraitEngine, + self, FulfillmentErrorLike, ObligationCause, ObligationInspector, PredicateObligations, + TraitEngine, }; use error_reporting::TypeErrCtxt; use free_regions::RegionRelations; @@ -737,10 +738,10 @@ impl<'tcx> InferCtxtBuilder<'tcx> { impl<'tcx, T> InferOk<'tcx, T> { /// Extracts `value`, registering any obligations into `fulfill_cx`. - pub fn into_value_registering_obligations( + pub fn into_value_registering_obligations>( self, infcx: &InferCtxt<'tcx>, - fulfill_cx: &mut dyn TraitEngine<'tcx>, + fulfill_cx: &mut dyn TraitEngine<'tcx, E>, ) -> T { let InferOk { value, obligations } = self; fulfill_cx.register_predicate_obligations(infcx, obligations); diff --git a/compiler/rustc_infer/src/traits/engine.rs b/compiler/rustc_infer/src/traits/engine.rs index a4bcd9d2c8a4..1d6875d0f8ed 100644 --- a/compiler/rustc_infer/src/traits/engine.rs +++ b/compiler/rustc_infer/src/traits/engine.rs @@ -1,12 +1,13 @@ +use std::fmt::Debug; + use crate::infer::InferCtxt; use crate::traits::Obligation; use rustc_hir::def_id::DefId; use rustc_middle::ty::{self, Ty, Upcast}; -use super::FulfillmentError; use super::{ObligationCause, PredicateObligation}; -pub trait TraitEngine<'tcx>: 'tcx { +pub trait TraitEngine<'tcx, E: FulfillmentErrorLike<'tcx>>: 'tcx { /// Requires that `ty` must implement the trait with `def_id` in /// the given environment. This trait must not have any type /// parameters (except for `Self`). @@ -47,12 +48,12 @@ pub trait TraitEngine<'tcx>: 'tcx { } #[must_use] - fn select_where_possible(&mut self, infcx: &InferCtxt<'tcx>) -> Vec>; + fn select_where_possible(&mut self, infcx: &InferCtxt<'tcx>) -> Vec; - fn collect_remaining_errors(&mut self, infcx: &InferCtxt<'tcx>) -> Vec>; + fn collect_remaining_errors(&mut self, infcx: &InferCtxt<'tcx>) -> Vec; #[must_use] - fn select_all_or_error(&mut self, infcx: &InferCtxt<'tcx>) -> Vec> { + fn select_all_or_error(&mut self, infcx: &InferCtxt<'tcx>) -> Vec { let errors = self.select_where_possible(infcx); if !errors.is_empty() { return errors; @@ -71,3 +72,11 @@ pub trait TraitEngine<'tcx>: 'tcx { infcx: &InferCtxt<'tcx>, ) -> Vec>; } + +pub trait FulfillmentErrorLike<'tcx>: Debug + 'tcx { + fn is_true_error(&self) -> bool; +} + +pub trait FromSolverError<'tcx, E>: FulfillmentErrorLike<'tcx> { + fn from_solver_error(infcx: &InferCtxt<'tcx>, error: E) -> Self; +} diff --git a/compiler/rustc_infer/src/traits/mod.rs b/compiler/rustc_infer/src/traits/mod.rs index 8304fa3c8a2f..26c931876dbd 100644 --- a/compiler/rustc_infer/src/traits/mod.rs +++ b/compiler/rustc_infer/src/traits/mod.rs @@ -23,7 +23,7 @@ pub use self::ImplSource::*; pub use self::SelectionError::*; use crate::infer::InferCtxt; -pub use self::engine::TraitEngine; +pub use self::engine::{FromSolverError, FulfillmentErrorLike, TraitEngine}; pub use self::project::MismatchedProjectionTypes; pub(crate) use self::project::UndoLog; pub use self::project::{ @@ -124,15 +124,7 @@ pub type Selection<'tcx> = ImplSource<'tcx, PredicateObligation<'tcx>>; pub type ObligationInspector<'tcx> = fn(&InferCtxt<'tcx>, &PredicateObligation<'tcx>, Result); -pub struct FulfillmentError<'tcx> { - pub obligation: PredicateObligation<'tcx>, - pub code: FulfillmentErrorCode<'tcx>, - /// Diagnostics only: the 'root' obligation which resulted in - /// the failure to process `obligation`. This is the obligation - /// that was initially passed to `register_predicate_obligation` - pub root_obligation: PredicateObligation<'tcx>, -} - +// TODO: Pull this down too #[derive(Clone)] pub enum FulfillmentErrorCode<'tcx> { /// Inherently impossible to fulfill; this trait is implemented if and only @@ -198,28 +190,6 @@ impl<'tcx, O> Obligation<'tcx, O> { } } -impl<'tcx> FulfillmentError<'tcx> { - pub fn new( - obligation: PredicateObligation<'tcx>, - code: FulfillmentErrorCode<'tcx>, - root_obligation: PredicateObligation<'tcx>, - ) -> FulfillmentError<'tcx> { - FulfillmentError { obligation, code, root_obligation } - } - - pub fn is_true_error(&self) -> bool { - match self.code { - FulfillmentErrorCode::Select(_) - | FulfillmentErrorCode::Project(_) - | FulfillmentErrorCode::Subtype(_, _) - | FulfillmentErrorCode::ConstEquate(_, _) => true, - FulfillmentErrorCode::Cycle(_) | FulfillmentErrorCode::Ambiguity { overflow: _ } => { - false - } - } - } -} - impl<'tcx> PolyTraitObligation<'tcx> { pub fn polarity(&self) -> ty::PredicatePolarity { self.predicate.skip_binder().polarity diff --git a/compiler/rustc_infer/src/traits/structural_impls.rs b/compiler/rustc_infer/src/traits/structural_impls.rs index b616d37e5b5e..00abf939807a 100644 --- a/compiler/rustc_infer/src/traits/structural_impls.rs +++ b/compiler/rustc_infer/src/traits/structural_impls.rs @@ -29,12 +29,6 @@ impl<'tcx, O: fmt::Debug> fmt::Debug for traits::Obligation<'tcx, O> { } } -impl<'tcx> fmt::Debug for traits::FulfillmentError<'tcx> { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - write!(f, "FulfillmentError({:?},{:?})", self.obligation, self.code) - } -} - impl<'tcx> fmt::Debug for traits::FulfillmentErrorCode<'tcx> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { use traits::FulfillmentErrorCode::*; diff --git a/compiler/rustc_trait_selection/src/regions.rs b/compiler/rustc_trait_selection/src/regions.rs index 5e0d7da4f06b..cca5bce03e19 100644 --- a/compiler/rustc_trait_selection/src/regions.rs +++ b/compiler/rustc_trait_selection/src/regions.rs @@ -1,3 +1,4 @@ +use crate::traits::FulfillmentError; use rustc_infer::infer::outlives::env::OutlivesEnvironment; use rustc_infer::infer::{InferCtxt, RegionResolutionError}; use rustc_macros::extension; @@ -27,7 +28,8 @@ impl<'tcx> InferCtxt<'tcx> { ), ty, ) - .map_err(|_| NoSolution) + // TODO: + .map_err(|_: Vec>| NoSolution) } else { Ok(ty) } diff --git a/compiler/rustc_trait_selection/src/solve/fulfill.rs b/compiler/rustc_trait_selection/src/solve/fulfill.rs index d28cf834032d..040bab1dfae2 100644 --- a/compiler/rustc_trait_selection/src/solve/fulfill.rs +++ b/compiler/rustc_trait_selection/src/solve/fulfill.rs @@ -1,3 +1,4 @@ +use std::marker::PhantomData; use std::mem; use std::ops::ControlFlow; @@ -5,14 +6,17 @@ use rustc_infer::infer::InferCtxt; use rustc_infer::traits::query::NoSolution; use rustc_infer::traits::solve::{CandidateSource, GoalSource, MaybeCause}; use rustc_infer::traits::{ - self, FulfillmentError, FulfillmentErrorCode, MismatchedProjectionTypes, Obligation, - ObligationCause, ObligationCauseCode, PredicateObligation, SelectionError, TraitEngine, + self, FromSolverError, FulfillmentErrorCode, FulfillmentErrorLike, MismatchedProjectionTypes, + Obligation, ObligationCause, ObligationCauseCode, PredicateObligation, SelectionError, + TraitEngine, }; use rustc_middle::bug; use rustc_middle::ty::error::{ExpectedFound, TypeError}; use rustc_middle::ty::{self, TyCtxt}; use rustc_span::symbol::sym; +use crate::traits::FulfillmentError; + use super::eval_ctxt::GenerateProofTree; use super::inspect::{self, ProofTreeInferCtxtExt, ProofTreeVisitor}; use super::{Certainty, InferCtxtEvalExt}; @@ -28,7 +32,7 @@ use super::{Certainty, InferCtxtEvalExt}; /// /// It is also likely that we want to use slightly different datastructures /// here as this will have to deal with far more root goals than `evaluate_all`. -pub struct FulfillmentCtxt<'tcx> { +pub struct FulfillmentCtxt<'tcx, E: FulfillmentErrorLike<'tcx>> { obligations: ObligationStorage<'tcx>, /// The snapshot in which this context was created. Using the context @@ -36,6 +40,7 @@ pub struct FulfillmentCtxt<'tcx> { /// gets rolled back. Because of this we explicitly check that we only /// use the context in exactly this snapshot. usable_in_snapshot: usize, + _errors: PhantomData, } #[derive(Default)] @@ -89,8 +94,8 @@ impl<'tcx> ObligationStorage<'tcx> { } } -impl<'tcx> FulfillmentCtxt<'tcx> { - pub fn new(infcx: &InferCtxt<'tcx>) -> FulfillmentCtxt<'tcx> { +impl<'tcx, E: FulfillmentErrorLike<'tcx>> FulfillmentCtxt<'tcx, E> { + pub fn new(infcx: &InferCtxt<'tcx>) -> FulfillmentCtxt<'tcx, E> { assert!( infcx.next_trait_solver(), "new trait solver fulfillment context created when \ @@ -99,6 +104,7 @@ impl<'tcx> FulfillmentCtxt<'tcx> { FulfillmentCtxt { obligations: Default::default(), usable_in_snapshot: infcx.num_open_snapshots(), + _errors: PhantomData, } } @@ -118,7 +124,9 @@ impl<'tcx> FulfillmentCtxt<'tcx> { } } -impl<'tcx> TraitEngine<'tcx> for FulfillmentCtxt<'tcx> { +impl<'tcx, E: FromSolverError<'tcx, NextSolverError<'tcx>>> TraitEngine<'tcx, E> + for FulfillmentCtxt<'tcx, E> +{ #[instrument(level = "trace", skip(self, infcx))] fn register_predicate_obligation( &mut self, @@ -129,24 +137,22 @@ impl<'tcx> TraitEngine<'tcx> for FulfillmentCtxt<'tcx> { self.obligations.register(obligation); } - fn collect_remaining_errors(&mut self, infcx: &InferCtxt<'tcx>) -> Vec> { - let mut errors: Vec<_> = self - .obligations + fn collect_remaining_errors(&mut self, infcx: &InferCtxt<'tcx>) -> Vec { + self.obligations .pending .drain(..) - .map(|obligation| fulfillment_error_for_stalled(infcx, obligation)) - .collect(); - - errors.extend(self.obligations.overflowed.drain(..).map(|obligation| FulfillmentError { - obligation: find_best_leaf_obligation(infcx, &obligation, true), - code: FulfillmentErrorCode::Ambiguity { overflow: Some(true) }, - root_obligation: obligation, - })); - - errors + .map(|obligation| NextSolverError::Ambiguity(obligation)) + .chain( + self.obligations + .overflowed + .drain(..) + .map(|obligation| NextSolverError::Overflow(obligation)), + ) + .map(|e| E::from_solver_error(infcx, e)) + .collect() } - fn select_where_possible(&mut self, infcx: &InferCtxt<'tcx>) -> Vec> { + fn select_where_possible(&mut self, infcx: &InferCtxt<'tcx>) -> Vec { assert_eq!(self.usable_in_snapshot, infcx.num_open_snapshots()); let mut errors = Vec::new(); for i in 0.. { @@ -164,7 +170,10 @@ impl<'tcx> TraitEngine<'tcx> for FulfillmentCtxt<'tcx> { let (changed, certainty) = match result { Ok(result) => result, Err(NoSolution) => { - errors.push(fulfillment_error_for_no_solution(infcx, obligation)); + errors.push(E::from_solver_error( + infcx, + NextSolverError::TrueError(obligation), + )); continue; } }; @@ -195,6 +204,28 @@ impl<'tcx> TraitEngine<'tcx> for FulfillmentCtxt<'tcx> { } } +pub enum NextSolverError<'tcx> { + TrueError(PredicateObligation<'tcx>), + Ambiguity(PredicateObligation<'tcx>), + Overflow(PredicateObligation<'tcx>), +} + +impl<'tcx> FromSolverError<'tcx, NextSolverError<'tcx>> for FulfillmentError<'tcx> { + fn from_solver_error(infcx: &InferCtxt<'tcx>, error: NextSolverError<'tcx>) -> Self { + match error { + NextSolverError::TrueError(obligation) => { + fulfillment_error_for_no_solution(infcx, obligation) + } + NextSolverError::Ambiguity(obligation) => { + fulfillment_error_for_stalled(infcx, obligation) + } + NextSolverError::Overflow(obligation) => { + fulfillment_error_for_overflow(infcx, obligation) + } + } + } +} + fn fulfillment_error_for_no_solution<'tcx>( infcx: &InferCtxt<'tcx>, root_obligation: PredicateObligation<'tcx>, @@ -280,6 +311,17 @@ fn fulfillment_error_for_stalled<'tcx>( } } +fn fulfillment_error_for_overflow<'tcx>( + infcx: &InferCtxt<'tcx>, + root_obligation: PredicateObligation<'tcx>, +) -> FulfillmentError<'tcx> { + FulfillmentError { + obligation: find_best_leaf_obligation(infcx, &root_obligation, true), + code: FulfillmentErrorCode::Ambiguity { overflow: Some(true) }, + root_obligation, + } +} + fn find_best_leaf_obligation<'tcx>( infcx: &InferCtxt<'tcx>, obligation: &PredicateObligation<'tcx>, diff --git a/compiler/rustc_trait_selection/src/solve/mod.rs b/compiler/rustc_trait_selection/src/solve/mod.rs index f9febd290fe7..ffeafd0e89f6 100644 --- a/compiler/rustc_trait_selection/src/solve/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/mod.rs @@ -40,7 +40,7 @@ mod search_graph; mod trait_goals; pub use eval_ctxt::{EvalCtxt, GenerateProofTree, InferCtxtEvalExt, InferCtxtSelectExt}; -pub use fulfill::FulfillmentCtxt; +pub use fulfill::{FulfillmentCtxt, NextSolverError}; pub(crate) use normalize::deeply_normalize_for_diagnostics; pub use normalize::{deeply_normalize, deeply_normalize_with_skipped_universes}; diff --git a/compiler/rustc_trait_selection/src/solve/normalize.rs b/compiler/rustc_trait_selection/src/solve/normalize.rs index 970848544c5a..f85e5d8746fd 100644 --- a/compiler/rustc_trait_selection/src/solve/normalize.rs +++ b/compiler/rustc_trait_selection/src/solve/normalize.rs @@ -1,23 +1,29 @@ +use std::marker::PhantomData; + use crate::traits::error_reporting::{OverflowCause, TypeErrCtxtExt}; use crate::traits::query::evaluate_obligation::InferCtxtExt; -use crate::traits::{BoundVarReplacer, PlaceholderReplacer}; +use crate::traits::{BoundVarReplacer, FulfillmentError, PlaceholderReplacer}; use rustc_data_structures::stack::ensure_sufficient_stack; use rustc_infer::infer::at::At; use rustc_infer::infer::InferCtxt; -use rustc_infer::traits::{FulfillmentError, Obligation, TraitEngine}; +use rustc_infer::traits::{FromSolverError, FulfillmentErrorLike, Obligation, TraitEngine}; use rustc_middle::traits::ObligationCause; use rustc_middle::ty::{self, Ty, TyCtxt, UniverseIndex}; use rustc_middle::ty::{FallibleTypeFolder, TypeFolder, TypeSuperFoldable}; use rustc_middle::ty::{TypeFoldable, TypeVisitableExt}; -use super::FulfillmentCtxt; +use super::{FulfillmentCtxt, NextSolverError}; /// Deeply normalize all aliases in `value`. This does not handle inference and expects /// its input to be already fully resolved. -pub fn deeply_normalize<'tcx, T: TypeFoldable>>( +pub fn deeply_normalize< + 'tcx, + T: TypeFoldable>, + E: FromSolverError<'tcx, NextSolverError<'tcx>>, +>( at: At<'_, 'tcx>, value: T, -) -> Result>> { +) -> Result> { assert!(!value.has_escaping_bound_vars()); deeply_normalize_with_skipped_universes(at, value, vec![]) } @@ -28,29 +34,32 @@ pub fn deeply_normalize<'tcx, T: TypeFoldable>>( /// Additionally takes a list of universes which represents the binders which have been /// entered before passing `value` to the function. This is currently needed for /// `normalize_erasing_regions`, which skips binders as it walks through a type. -pub fn deeply_normalize_with_skipped_universes<'tcx, T: TypeFoldable>>( +pub fn deeply_normalize_with_skipped_universes< + 'tcx, + T: TypeFoldable>, + E: FromSolverError<'tcx, NextSolverError<'tcx>>, +>( at: At<'_, 'tcx>, value: T, universes: Vec>, -) -> Result>> { +) -> Result> { let fulfill_cx = FulfillmentCtxt::new(at.infcx); - let mut folder = NormalizationFolder { at, fulfill_cx, depth: 0, universes }; + let mut folder = + NormalizationFolder { at, fulfill_cx, depth: 0, universes, _errors: PhantomData }; value.try_fold_with(&mut folder) } -struct NormalizationFolder<'me, 'tcx> { +struct NormalizationFolder<'me, 'tcx, E: FulfillmentErrorLike<'tcx>> { at: At<'me, 'tcx>, - fulfill_cx: FulfillmentCtxt<'tcx>, + fulfill_cx: FulfillmentCtxt<'tcx, E>, depth: usize, universes: Vec>, + _errors: PhantomData, } -impl<'tcx> NormalizationFolder<'_, 'tcx> { - fn normalize_alias_ty( - &mut self, - alias_ty: Ty<'tcx>, - ) -> Result, Vec>> { +impl<'tcx, E: FromSolverError<'tcx, NextSolverError<'tcx>>> NormalizationFolder<'_, 'tcx, E> { + fn normalize_alias_ty(&mut self, alias_ty: Ty<'tcx>) -> Result, Vec> { assert!(matches!(alias_ty.kind(), ty::Alias(..))); let infcx = self.at.infcx; @@ -101,7 +110,7 @@ impl<'tcx> NormalizationFolder<'_, 'tcx> { &mut self, ty: Ty<'tcx>, uv: ty::UnevaluatedConst<'tcx>, - ) -> Result, Vec>> { + ) -> Result, Vec> { let infcx = self.at.infcx; let tcx = infcx.tcx; let recursion_limit = tcx.recursion_limit(); @@ -141,8 +150,10 @@ impl<'tcx> NormalizationFolder<'_, 'tcx> { } } -impl<'tcx> FallibleTypeFolder> for NormalizationFolder<'_, 'tcx> { - type Error = Vec>; +impl<'tcx, E: FromSolverError<'tcx, NextSolverError<'tcx>>> FallibleTypeFolder> + for NormalizationFolder<'_, 'tcx, E> +{ + type Error = Vec; fn interner(&self) -> TyCtxt<'tcx> { self.at.infcx.tcx @@ -242,7 +253,8 @@ impl<'tcx> TypeFolder> for DeeplyNormalizeForDiagnosticsFolder<'_, ty, vec![None; ty.outer_exclusive_binder().as_usize()], ) - .unwrap_or_else(|_| ty.super_fold_with(self)) + // TODO: + .unwrap_or_else(|_: Vec>| ty.super_fold_with(self)) } fn fold_const(&mut self, ct: ty::Const<'tcx>) -> ty::Const<'tcx> { @@ -251,6 +263,7 @@ impl<'tcx> TypeFolder> for DeeplyNormalizeForDiagnosticsFolder<'_, ct, vec![None; ct.outer_exclusive_binder().as_usize()], ) - .unwrap_or_else(|_| ct.super_fold_with(self)) + // TODO: + .unwrap_or_else(|_: Vec>| ct.super_fold_with(self)) } } diff --git a/compiler/rustc_trait_selection/src/traits/coherence.rs b/compiler/rustc_trait_selection/src/traits/coherence.rs index ebdb032dc0e2..33eca1599121 100644 --- a/compiler/rustc_trait_selection/src/traits/coherence.rs +++ b/compiler/rustc_trait_selection/src/traits/coherence.rs @@ -11,6 +11,7 @@ use crate::solve::{deeply_normalize_for_diagnostics, inspect}; use crate::traits::select::IntercrateAmbiguityCause; use crate::traits::NormalizeExt; use crate::traits::SkipLeakCheck; +use crate::traits::{util, FulfillmentErrorCode}; use crate::traits::{ Obligation, ObligationCause, PredicateObligation, PredicateObligations, SelectionContext, }; @@ -19,7 +20,6 @@ use rustc_errors::{Diag, EmissionGuarantee}; use rustc_hir::def::DefKind; use rustc_hir::def_id::DefId; use rustc_infer::infer::{DefineOpaqueTypes, InferCtxt, TyCtxtInferExt}; -use rustc_infer::traits::{util, FulfillmentErrorCode}; use rustc_middle::bug; use rustc_middle::traits::query::NoSolution; use rustc_middle::traits::solve::{CandidateSource, Certainty, Goal}; diff --git a/compiler/rustc_trait_selection/src/traits/engine.rs b/compiler/rustc_trait_selection/src/traits/engine.rs index 6fed24c49e0b..b62cd345e510 100644 --- a/compiler/rustc_trait_selection/src/traits/engine.rs +++ b/compiler/rustc_trait_selection/src/traits/engine.rs @@ -2,12 +2,15 @@ use std::cell::RefCell; use std::fmt::Debug; use super::FulfillmentContext; -use super::TraitEngine; +use super::{FromSolverError, TraitEngine}; use crate::regions::InferCtxtRegionExt; use crate::solve::FulfillmentCtxt as NextFulfillmentCtxt; +use crate::solve::NextSolverError; use crate::traits::error_reporting::TypeErrCtxtExt; +use crate::traits::fulfill::OldSolverError; use crate::traits::NormalizeExt; use crate::traits::StructurallyNormalizeExt; +use crate::traits::{FulfillmentError, Obligation, ObligationCause, PredicateObligation}; use rustc_data_structures::fx::FxIndexSet; use rustc_errors::ErrorGuaranteed; use rustc_hir::def_id::{DefId, LocalDefId}; @@ -18,7 +21,6 @@ use rustc_infer::infer::canonical::{ use rustc_infer::infer::outlives::env::OutlivesEnvironment; use rustc_infer::infer::RegionResolutionError; use rustc_infer::infer::{DefineOpaqueTypes, InferCtxt, InferOk}; -use rustc_infer::traits::{FulfillmentError, Obligation, ObligationCause, PredicateObligation}; use rustc_macros::extension; use rustc_middle::arena::ArenaAllocatable; use rustc_middle::traits::query::NoSolution; @@ -28,8 +30,12 @@ use rustc_middle::ty::Upcast; use rustc_middle::ty::Variance; use rustc_middle::ty::{self, Ty, TyCtxt}; -#[extension(pub trait TraitEngineExt<'tcx>)] -impl<'tcx> dyn TraitEngine<'tcx> { +#[extension(pub trait TraitEngineExt<'tcx, E>)] +impl< + 'tcx, + E: FromSolverError<'tcx, NextSolverError<'tcx>> + FromSolverError<'tcx, OldSolverError<'tcx>>, +> dyn TraitEngine<'tcx, E> +{ fn new(infcx: &InferCtxt<'tcx>) -> Box { if infcx.next_trait_solver() { Box::new(NextFulfillmentCtxt::new(infcx)) @@ -49,12 +55,16 @@ impl<'tcx> dyn TraitEngine<'tcx> { /// with obligations outside of hir or mir typeck. pub struct ObligationCtxt<'a, 'tcx> { pub infcx: &'a InferCtxt<'tcx>, - engine: RefCell>>, + engine: RefCell>>>, } impl<'a, 'tcx> ObligationCtxt<'a, 'tcx> { pub fn new(infcx: &'a InferCtxt<'tcx>) -> Self { - Self { infcx, engine: RefCell::new(>::new(infcx)) } + // TODO: + Self { + infcx, + engine: RefCell::new(>>::new(infcx)), + } } pub fn register_obligation(&self, obligation: PredicateObligation<'tcx>) { diff --git a/compiler/rustc_trait_selection/src/traits/fulfill.rs b/compiler/rustc_trait_selection/src/traits/fulfill.rs index e1afc2a35293..09fe0196fcfc 100644 --- a/compiler/rustc_trait_selection/src/traits/fulfill.rs +++ b/compiler/rustc_trait_selection/src/traits/fulfill.rs @@ -6,7 +6,7 @@ use rustc_data_structures::obligation_forest::ProcessResult; use rustc_data_structures::obligation_forest::{Error, ForestObligation, Outcome}; use rustc_data_structures::obligation_forest::{ObligationForest, ObligationProcessor}; use rustc_infer::infer::DefineOpaqueTypes; -use rustc_infer::traits::ProjectionCacheKey; +use rustc_infer::traits::{FromSolverError, FulfillmentErrorLike, ProjectionCacheKey}; use rustc_infer::traits::{PolyTraitObligation, SelectionError, TraitEngine}; use rustc_middle::bug; use rustc_middle::mir::interpret::ErrorHandled; @@ -50,7 +50,7 @@ impl<'tcx> ForestObligation for PendingPredicateObligation<'tcx> { /// along. Once all type inference constraints have been generated, the /// method `select_all_or_error` can be used to report any remaining /// ambiguous cases as errors. -pub struct FulfillmentContext<'tcx> { +pub struct FulfillmentContext<'tcx, E: FulfillmentErrorLike<'tcx>> { /// A list of all obligations that have been registered with this /// fulfillment context. predicates: ObligationForest>, @@ -60,6 +60,8 @@ pub struct FulfillmentContext<'tcx> { /// gets rolled back. Because of this we explicitly check that we only /// use the context in exactly this snapshot. usable_in_snapshot: usize, + + _errors: PhantomData, } #[derive(Clone, Debug)] @@ -76,9 +78,9 @@ pub struct PendingPredicateObligation<'tcx> { #[cfg(target_pointer_width = "64")] rustc_data_structures::static_assert_size!(PendingPredicateObligation<'_>, 72); -impl<'tcx> FulfillmentContext<'tcx> { +impl<'tcx, E: FromSolverError<'tcx, OldSolverError<'tcx>>> FulfillmentContext<'tcx, E> { /// Creates a new fulfillment context. - pub(super) fn new(infcx: &InferCtxt<'tcx>) -> FulfillmentContext<'tcx> { + pub(super) fn new(infcx: &InferCtxt<'tcx>) -> FulfillmentContext<'tcx, E> { assert!( !infcx.next_trait_solver(), "old trait solver fulfillment context created when \ @@ -87,13 +89,15 @@ impl<'tcx> FulfillmentContext<'tcx> { FulfillmentContext { predicates: ObligationForest::new(), usable_in_snapshot: infcx.num_open_snapshots(), + _errors: PhantomData, } } /// Attempts to select obligations using `selcx`. - fn select(&mut self, selcx: SelectionContext<'_, 'tcx>) -> Vec> { + fn select(&mut self, selcx: SelectionContext<'_, 'tcx>) -> Vec { let span = debug_span!("select", obligation_forest_size = ?self.predicates.len()); let _enter = span.enter(); + let infcx = selcx.infcx; // Process pending obligations. let outcome: Outcome<_, _> = @@ -102,8 +106,8 @@ impl<'tcx> FulfillmentContext<'tcx> { // FIXME: if we kept the original cache key, we could mark projection // obligations as complete for the projection cache here. - let errors: Vec> = - outcome.errors.into_iter().map(to_fulfillment_error).collect(); + let errors: Vec = + outcome.errors.into_iter().map(|err| E::from_solver_error(infcx, err)).collect(); debug!( "select({} predicates remaining, {} errors) done", @@ -115,7 +119,9 @@ impl<'tcx> FulfillmentContext<'tcx> { } } -impl<'tcx> TraitEngine<'tcx> for FulfillmentContext<'tcx> { +impl<'tcx, E: FromSolverError<'tcx, OldSolverError<'tcx>>> TraitEngine<'tcx, E> + for FulfillmentContext<'tcx, E> +{ #[inline] fn register_predicate_obligation( &mut self, @@ -134,18 +140,15 @@ impl<'tcx> TraitEngine<'tcx> for FulfillmentContext<'tcx> { .register_obligation(PendingPredicateObligation { obligation, stalled_on: vec![] }); } - fn collect_remaining_errors( - &mut self, - _infcx: &InferCtxt<'tcx>, - ) -> Vec> { + fn collect_remaining_errors(&mut self, infcx: &InferCtxt<'tcx>) -> Vec { self.predicates .to_errors(FulfillmentErrorCode::Ambiguity { overflow: None }) .into_iter() - .map(to_fulfillment_error) + .map(|err| E::from_solver_error(infcx, err)) .collect() } - fn select_where_possible(&mut self, infcx: &InferCtxt<'tcx>) -> Vec> { + fn select_where_possible(&mut self, infcx: &InferCtxt<'tcx>) -> Vec { let selcx = SelectionContext::new(infcx); self.select(selcx) } @@ -840,13 +843,15 @@ fn args_infer_vars<'a, 'tcx>( .filter_map(TyOrConstInferVar::maybe_from_generic_arg) } -fn to_fulfillment_error<'tcx>( - error: Error, FulfillmentErrorCode<'tcx>>, -) -> FulfillmentError<'tcx> { - let mut iter = error.backtrace.into_iter(); - let obligation = iter.next().unwrap().obligation; - // The root obligation is the last item in the backtrace - if there's only - // one item, then it's the same as the main obligation - let root_obligation = iter.next_back().map_or_else(|| obligation.clone(), |e| e.obligation); - FulfillmentError::new(obligation, error.error, root_obligation) +pub type OldSolverError<'tcx> = Error, FulfillmentErrorCode<'tcx>>; + +impl<'tcx> FromSolverError<'tcx, OldSolverError<'tcx>> for FulfillmentError<'tcx> { + fn from_solver_error(_infcx: &InferCtxt<'tcx>, error: OldSolverError<'tcx>) -> Self { + let mut iter = error.backtrace.into_iter(); + let obligation = iter.next().unwrap().obligation; + // The root obligation is the last item in the backtrace - if there's only + // one item, then it's the same as the main obligation + let root_obligation = iter.next_back().map_or_else(|| obligation.clone(), |e| e.obligation); + FulfillmentError::new(obligation, error.error, root_obligation) + } } diff --git a/compiler/rustc_trait_selection/src/traits/misc.rs b/compiler/rustc_trait_selection/src/traits/misc.rs index a1094d982768..8b4594926474 100644 --- a/compiler/rustc_trait_selection/src/traits/misc.rs +++ b/compiler/rustc_trait_selection/src/traits/misc.rs @@ -1,13 +1,13 @@ //! Miscellaneous type-system utilities that are too small to deserve their own modules. use crate::regions::InferCtxtRegionExt; -use crate::traits::{self, ObligationCause}; +use crate::traits::{self, FulfillmentError, ObligationCause}; use hir::LangItem; use rustc_data_structures::fx::FxIndexSet; use rustc_hir as hir; +use rustc_infer::infer::outlives::env::OutlivesEnvironment; use rustc_infer::infer::{RegionResolutionError, TyCtxtInferExt}; -use rustc_infer::{infer::outlives::env::OutlivesEnvironment, traits::FulfillmentError}; use rustc_middle::ty::{self, AdtDef, Ty, TyCtxt, TypeVisitableExt}; use super::outlives_bounds::InferCtxtExt; diff --git a/compiler/rustc_trait_selection/src/traits/mod.rs b/compiler/rustc_trait_selection/src/traits/mod.rs index 786ab091e915..990a88f748e6 100644 --- a/compiler/rustc_trait_selection/src/traits/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/mod.rs @@ -70,6 +70,49 @@ pub use self::util::{with_replaced_escaping_bound_vars, BoundVarReplacer, Placeh pub use rustc_infer::traits::*; +pub struct FulfillmentError<'tcx> { + pub obligation: PredicateObligation<'tcx>, + pub code: FulfillmentErrorCode<'tcx>, + /// Diagnostics only: the 'root' obligation which resulted in + /// the failure to process `obligation`. This is the obligation + /// that was initially passed to `register_predicate_obligation` + pub root_obligation: PredicateObligation<'tcx>, +} + +impl<'tcx> FulfillmentError<'tcx> { + pub fn new( + obligation: PredicateObligation<'tcx>, + code: FulfillmentErrorCode<'tcx>, + root_obligation: PredicateObligation<'tcx>, + ) -> FulfillmentError<'tcx> { + FulfillmentError { obligation, code, root_obligation } + } + + pub fn is_true_error(&self) -> bool { + match self.code { + FulfillmentErrorCode::Select(_) + | FulfillmentErrorCode::Project(_) + | FulfillmentErrorCode::Subtype(_, _) + | FulfillmentErrorCode::ConstEquate(_, _) => true, + FulfillmentErrorCode::Cycle(_) | FulfillmentErrorCode::Ambiguity { overflow: _ } => { + false + } + } + } +} + +impl<'tcx> FulfillmentErrorLike<'tcx> for FulfillmentError<'tcx> { + fn is_true_error(&self) -> bool { + self.is_true_error() + } +} + +impl<'tcx> Debug for FulfillmentError<'tcx> { + fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { + write!(f, "FulfillmentError({:?},{:?})", self.obligation, self.code) + } +} + /// Whether to skip the leak check, as part of a future compatibility warning step. /// /// The "default" for skip-leak-check corresponds to the current diff --git a/compiler/rustc_trait_selection/src/traits/normalize.rs b/compiler/rustc_trait_selection/src/traits/normalize.rs index d10aee2d4e29..4e5ca2ee92e1 100644 --- a/compiler/rustc_trait_selection/src/traits/normalize.rs +++ b/compiler/rustc_trait_selection/src/traits/normalize.rs @@ -3,11 +3,13 @@ use super::error_reporting::OverflowCause; use super::error_reporting::TypeErrCtxtExt; use super::SelectionContext; use super::{project, with_replaced_escaping_bound_vars, BoundVarReplacer, PlaceholderReplacer}; +use crate::solve::NextSolverError; use rustc_data_structures::stack::ensure_sufficient_stack; use rustc_infer::infer::at::At; use rustc_infer::infer::InferOk; +use rustc_infer::traits::FromSolverError; use rustc_infer::traits::PredicateObligation; -use rustc_infer::traits::{FulfillmentError, Normalized, Obligation, TraitEngine}; +use rustc_infer::traits::{Normalized, Obligation, TraitEngine}; use rustc_macros::extension; use rustc_middle::traits::{ObligationCause, ObligationCauseCode, Reveal}; use rustc_middle::ty::{self, Ty, TyCtxt, TypeFolder}; @@ -44,11 +46,14 @@ impl<'tcx> At<'_, 'tcx> { /// existing fulfillment context in the old solver. Once we also eagerly prove goals with /// the old solver or have removed the old solver, remove `traits::fully_normalize` and /// rename this function to `At::fully_normalize`. - fn deeply_normalize>>( + fn deeply_normalize< + T: TypeFoldable>, + E: FromSolverError<'tcx, NextSolverError<'tcx>>, + >( self, value: T, - fulfill_cx: &mut dyn TraitEngine<'tcx>, - ) -> Result>> { + fulfill_cx: &mut dyn TraitEngine<'tcx, E>, + ) -> Result> { if self.infcx.next_trait_solver() { crate::solve::deeply_normalize(self, value) } else { diff --git a/compiler/rustc_trait_selection/src/traits/query/normalize.rs b/compiler/rustc_trait_selection/src/traits/query/normalize.rs index 1b5ffeebc01f..2c0103e40dff 100644 --- a/compiler/rustc_trait_selection/src/traits/query/normalize.rs +++ b/compiler/rustc_trait_selection/src/traits/query/normalize.rs @@ -9,10 +9,10 @@ use crate::traits::error_reporting::OverflowCause; use crate::traits::error_reporting::TypeErrCtxtExt; use crate::traits::normalize::needs_normalization; use crate::traits::{BoundVarReplacer, PlaceholderReplacer}; +use crate::traits::{FulfillmentError, Normalized}; use crate::traits::{ObligationCause, PredicateObligation, Reveal}; use rustc_data_structures::sso::SsoHashMap; use rustc_data_structures::stack::ensure_sufficient_stack; -use rustc_infer::traits::Normalized; use rustc_macros::extension; use rustc_middle::ty::fold::{FallibleTypeFolder, TypeFoldable, TypeSuperFoldable}; use rustc_middle::ty::visit::{TypeSuperVisitable, TypeVisitable, TypeVisitableExt}; @@ -76,7 +76,10 @@ impl<'cx, 'tcx> At<'cx, 'tcx> { }; if self.infcx.next_trait_solver() { - match crate::solve::deeply_normalize_with_skipped_universes(self, value, universes) { + // TODO: + match crate::solve::deeply_normalize_with_skipped_universes::<_, FulfillmentError<'tcx>>( + self, value, universes, + ) { Ok(value) => return Ok(Normalized { value, obligations: vec![] }), Err(_errors) => { return Err(NoSolution); diff --git a/compiler/rustc_trait_selection/src/traits/query/type_op/implied_outlives_bounds.rs b/compiler/rustc_trait_selection/src/traits/query/type_op/implied_outlives_bounds.rs index 00cc77e71e72..a1bbd21f8296 100644 --- a/compiler/rustc_trait_selection/src/traits/query/type_op/implied_outlives_bounds.rs +++ b/compiler/rustc_trait_selection/src/traits/query/type_op/implied_outlives_bounds.rs @@ -1,6 +1,7 @@ use crate::solve; use crate::traits::query::NoSolution; use crate::traits::wf; +use crate::traits::FulfillmentError; use crate::traits::ObligationCtxt; use rustc_infer::infer::canonical::Canonical; @@ -266,7 +267,8 @@ pub fn compute_implied_outlives_bounds_compat_inner<'tcx>( ocx.infcx.at(&ObligationCause::dummy(), param_env), ty_a, ) - .map_err(|_errs| NoSolution)?; + // TODO: + .map_err(|_errs: Vec>| NoSolution)?; } let mut components = smallvec![]; push_outlives_components(tcx, ty_a, &mut components); diff --git a/compiler/rustc_trait_selection/src/traits/structural_normalize.rs b/compiler/rustc_trait_selection/src/traits/structural_normalize.rs index 96a06e0c1691..a160fc033a2c 100644 --- a/compiler/rustc_trait_selection/src/traits/structural_normalize.rs +++ b/compiler/rustc_trait_selection/src/traits/structural_normalize.rs @@ -1,5 +1,5 @@ use rustc_infer::infer::at::At; -use rustc_infer::traits::{FulfillmentError, TraitEngine}; +use rustc_infer::traits::{FulfillmentErrorLike, TraitEngine}; use rustc_macros::extension; use rustc_middle::ty::{self, Ty}; @@ -7,11 +7,11 @@ use crate::traits::{NormalizeExt, Obligation}; #[extension(pub trait StructurallyNormalizeExt<'tcx>)] impl<'tcx> At<'_, 'tcx> { - fn structurally_normalize( + fn structurally_normalize>( &self, ty: Ty<'tcx>, - fulfill_cx: &mut dyn TraitEngine<'tcx>, - ) -> Result, Vec>> { + fulfill_cx: &mut dyn TraitEngine<'tcx, E>, + ) -> Result, Vec> { assert!(!ty.is_ty_var(), "should have resolved vars before calling"); if self.infcx.next_trait_solver() { From eb0a70a5578be0ae164cb802898ea98d41e95f13 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sat, 1 Jun 2024 14:51:31 -0400 Subject: [PATCH 0897/1716] Opt-in diagnostics reporting to avoid doing extra work in the new solver --- .../src/diagnostics/conflict_errors.rs | 2 +- .../src/region_infer/opaque_types.rs | 2 +- .../src/check_consts/check.rs | 2 +- .../rustc_hir_analysis/src/check/check.rs | 4 +- .../src/check/compare_impl_item.rs | 31 +++-- .../rustc_hir_analysis/src/check/dropck.rs | 2 +- .../rustc_hir_analysis/src/check/entry.rs | 2 +- compiler/rustc_hir_analysis/src/check/mod.rs | 2 +- .../rustc_hir_analysis/src/check/wfcheck.rs | 8 +- .../src/coherence/builtin.rs | 4 +- .../src/hir_ty_lowering/mod.rs | 2 +- .../rustc_hir_analysis/src/hir_wf_check.rs | 2 +- .../src/impl_wf_check/min_specialization.rs | 2 +- compiler/rustc_hir_typeck/src/expr.rs | 2 +- compiler/rustc_hir_typeck/src/method/probe.rs | 2 +- compiler/rustc_hir_typeck/src/op.rs | 2 +- compiler/rustc_mir_transform/src/coroutine.rs | 2 +- compiler/rustc_passes/src/check_attr.rs | 2 +- compiler/rustc_passes/src/layout_test.rs | 2 +- compiler/rustc_trait_selection/src/infer.rs | 18 +-- .../src/solve/fulfill.rs | 13 +- .../src/solve/inspect/analyse.rs | 1 + .../src/traits/coherence.rs | 2 +- .../src/traits/engine.rs | 116 +++++++++++------- .../src/traits/fulfill.rs | 16 ++- .../rustc_trait_selection/src/traits/misc.rs | 2 +- .../rustc_trait_selection/src/traits/mod.rs | 26 +++- compiler/rustc_traits/src/codegen.rs | 3 +- .../src/normalize_projection_ty.rs | 9 +- compiler/rustc_traits/src/type_op.rs | 22 ++-- .../clippy_lints/src/future_not_send.rs | 2 +- 31 files changed, 200 insertions(+), 107 deletions(-) diff --git a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs index cde7ac94e357..821a90366547 100644 --- a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs @@ -1347,7 +1347,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { return; }; // Try to find predicates on *generic params* that would allow copying `ty` - let ocx = ObligationCtxt::new(self.infcx); + let ocx = ObligationCtxt::new_with_diagnostics(self.infcx); let cause = ObligationCause::misc(span, self.mir_def_id()); ocx.register_bound(cause, self.param_env, ty, def_id); diff --git a/compiler/rustc_borrowck/src/region_infer/opaque_types.rs b/compiler/rustc_borrowck/src/region_infer/opaque_types.rs index f601a9d70739..06adb686ed48 100644 --- a/compiler/rustc_borrowck/src/region_infer/opaque_types.rs +++ b/compiler/rustc_borrowck/src/region_infer/opaque_types.rs @@ -340,7 +340,7 @@ fn check_opaque_type_well_formed<'tcx>( .with_next_trait_solver(next_trait_solver) .with_opaque_type_inference(parent_def_id) .build(); - let ocx = ObligationCtxt::new(&infcx); + let ocx = ObligationCtxt::new_with_diagnostics(&infcx); let identity_args = GenericArgs::identity_for_item(tcx, def_id); // Require that the hidden type actually fulfills all the bounds of the opaque type, even without diff --git a/compiler/rustc_const_eval/src/check_consts/check.rs b/compiler/rustc_const_eval/src/check_consts/check.rs index 5fbf5b41109f..9e01c59a96f9 100644 --- a/compiler/rustc_const_eval/src/check_consts/check.rs +++ b/compiler/rustc_const_eval/src/check_consts/check.rs @@ -735,7 +735,7 @@ impl<'tcx> Visitor<'tcx> for Checker<'_, 'tcx> { // which path expressions are getting called on and which path expressions are only used // as function pointers. This is required for correctness. let infcx = tcx.infer_ctxt().build(); - let ocx = ObligationCtxt::new(&infcx); + let ocx = ObligationCtxt::new_with_diagnostics(&infcx); let predicates = tcx.predicates_of(callee).instantiate(tcx, fn_args); let cause = ObligationCause::new( diff --git a/compiler/rustc_hir_analysis/src/check/check.rs b/compiler/rustc_hir_analysis/src/check/check.rs index 3904f14b0f6e..76b6cbd6e531 100644 --- a/compiler/rustc_hir_analysis/src/check/check.rs +++ b/compiler/rustc_hir_analysis/src/check/check.rs @@ -342,7 +342,7 @@ fn check_opaque_meets_bounds<'tcx>( let param_env = tcx.param_env(defining_use_anchor); let infcx = tcx.infer_ctxt().with_opaque_type_inference(defining_use_anchor).build(); - let ocx = ObligationCtxt::new(&infcx); + let ocx = ObligationCtxt::new_with_diagnostics(&infcx); let args = match *origin { hir::OpaqueTyOrigin::FnReturn(parent) @@ -1727,7 +1727,7 @@ pub(super) fn check_coroutine_obligations( .with_opaque_type_inference(def_id) .build(); - let ocx = ObligationCtxt::new(&infcx); + let ocx = ObligationCtxt::new_with_diagnostics(&infcx); for (predicate, cause) in &typeck_results.coroutine_stalled_predicates { ocx.register_obligation(Obligation::new(tcx, cause.clone(), param_env, *predicate)); } diff --git a/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs b/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs index 17db1c07383f..594d28eda7ac 100644 --- a/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs +++ b/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs @@ -10,7 +10,7 @@ use rustc_hir::intravisit; use rustc_hir::{GenericParamKind, ImplItemKind}; use rustc_infer::infer::outlives::env::OutlivesEnvironment; use rustc_infer::infer::{self, InferCtxt, TyCtxtInferExt}; -use rustc_infer::traits::util; +use rustc_infer::traits::{util, FulfillmentErrorLike}; use rustc_middle::ty::error::{ExpectedFound, TypeError}; use rustc_middle::ty::fold::BottomUpFolder; use rustc_middle::ty::util::ExplicitSelf; @@ -225,7 +225,7 @@ fn compare_method_predicate_entailment<'tcx>( let param_env = traits::normalize_param_env_or_error(tcx, param_env, normalize_cause); let infcx = &tcx.infer_ctxt().build(); - let ocx = ObligationCtxt::new(infcx); + let ocx = ObligationCtxt::new_with_diagnostics(infcx); debug!("compare_impl_method: caller_bounds={:?}", param_env.caller_bounds()); @@ -493,7 +493,7 @@ pub(super) fn collect_return_position_impl_trait_in_trait_tys<'tcx>( ); let infcx = &tcx.infer_ctxt().build(); - let ocx = ObligationCtxt::new(infcx); + let ocx = ObligationCtxt::new_with_diagnostics(infcx); // Normalize the impl signature with fresh variables for lifetime inference. let misc_cause = ObligationCause::misc(return_span, impl_m_def_id); @@ -764,17 +764,23 @@ pub(super) fn collect_return_position_impl_trait_in_trait_tys<'tcx>( Ok(&*tcx.arena.alloc(remapped_types)) } -struct ImplTraitInTraitCollector<'a, 'tcx> { - ocx: &'a ObligationCtxt<'a, 'tcx>, +struct ImplTraitInTraitCollector<'a, 'tcx, E> +where + E: FulfillmentErrorLike<'tcx>, +{ + ocx: &'a ObligationCtxt<'a, 'tcx, E>, types: FxIndexMap, ty::GenericArgsRef<'tcx>)>, span: Span, param_env: ty::ParamEnv<'tcx>, body_id: LocalDefId, } -impl<'a, 'tcx> ImplTraitInTraitCollector<'a, 'tcx> { +impl<'a, 'tcx, E> ImplTraitInTraitCollector<'a, 'tcx, E> +where + E: FulfillmentErrorLike<'tcx>, +{ fn new( - ocx: &'a ObligationCtxt<'a, 'tcx>, + ocx: &'a ObligationCtxt<'a, 'tcx, E>, span: Span, param_env: ty::ParamEnv<'tcx>, body_id: LocalDefId, @@ -783,7 +789,10 @@ impl<'a, 'tcx> ImplTraitInTraitCollector<'a, 'tcx> { } } -impl<'tcx> TypeFolder> for ImplTraitInTraitCollector<'_, 'tcx> { +impl<'tcx, E> TypeFolder> for ImplTraitInTraitCollector<'_, 'tcx, E> +where + E: FulfillmentErrorLike<'tcx>, +{ fn interner(&self) -> TyCtxt<'tcx> { self.ocx.infcx.tcx } @@ -1777,7 +1786,7 @@ fn compare_const_predicate_entailment<'tcx>( ); let infcx = tcx.infer_ctxt().build(); - let ocx = ObligationCtxt::new(&infcx); + let ocx = ObligationCtxt::new_with_diagnostics(&infcx); let impl_ct_own_bounds = impl_ct_predicates.instantiate_own(tcx, impl_args); for (predicate, span) in impl_ct_own_bounds { @@ -1910,7 +1919,7 @@ fn compare_type_predicate_entailment<'tcx>( let param_env = ty::ParamEnv::new(tcx.mk_clauses(&hybrid_preds.predicates), Reveal::UserFacing); let param_env = traits::normalize_param_env_or_error(tcx, param_env, normalize_cause); let infcx = tcx.infer_ctxt().build(); - let ocx = ObligationCtxt::new(&infcx); + let ocx = ObligationCtxt::new_with_diagnostics(&infcx); debug!("compare_type_predicate_entailment: caller_bounds={:?}", param_env.caller_bounds()); @@ -1977,7 +1986,7 @@ pub(super) fn check_type_bounds<'tcx>( let rebased_args = impl_ty_args.rebase_onto(tcx, container_id, impl_trait_ref.args); let infcx = tcx.infer_ctxt().build(); - let ocx = ObligationCtxt::new(&infcx); + let ocx = ObligationCtxt::new_with_diagnostics(&infcx); // A synthetic impl Trait for RPITIT desugaring has no HIR, which we currently use to get the // span for an impl's associated type. Instead, for these, use the def_span for the synthesized diff --git a/compiler/rustc_hir_analysis/src/check/dropck.rs b/compiler/rustc_hir_analysis/src/check/dropck.rs index be412dde9680..8ec6dd12a78d 100644 --- a/compiler/rustc_hir_analysis/src/check/dropck.rs +++ b/compiler/rustc_hir_analysis/src/check/dropck.rs @@ -123,7 +123,7 @@ fn ensure_drop_predicates_are_implied_by_item_defn<'tcx>( adt_to_impl_args: GenericArgsRef<'tcx>, ) -> Result<(), ErrorGuaranteed> { let infcx = tcx.infer_ctxt().build(); - let ocx = ObligationCtxt::new(&infcx); + let ocx = ObligationCtxt::new_with_diagnostics(&infcx); // Take the param-env of the adt and instantiate the args that show up in // the implementation's self type. This gives us the assumptions that the diff --git a/compiler/rustc_hir_analysis/src/check/entry.rs b/compiler/rustc_hir_analysis/src/check/entry.rs index 25ac31c16c7c..cc52a7658020 100644 --- a/compiler/rustc_hir_analysis/src/check/entry.rs +++ b/compiler/rustc_hir_analysis/src/check/entry.rs @@ -133,7 +133,7 @@ fn check_main_fn_ty(tcx: TyCtxt<'_>, main_def_id: DefId) { main_diagnostics_def_id, ObligationCauseCode::MainFunctionType, ); - let ocx = traits::ObligationCtxt::new(&infcx); + let ocx = traits::ObligationCtxt::new_with_diagnostics(&infcx); let norm_return_ty = ocx.normalize(&cause, param_env, return_ty); ocx.register_bound(cause, param_env, norm_return_ty, term_did); let errors = ocx.select_all_or_error(); diff --git a/compiler/rustc_hir_analysis/src/check/mod.rs b/compiler/rustc_hir_analysis/src/check/mod.rs index 149e7737e309..da66e1f34fd9 100644 --- a/compiler/rustc_hir_analysis/src/check/mod.rs +++ b/compiler/rustc_hir_analysis/src/check/mod.rs @@ -599,7 +599,7 @@ pub fn check_function_signature<'tcx>( let param_env = ty::ParamEnv::empty(); let infcx = &tcx.infer_ctxt().build(); - let ocx = ObligationCtxt::new(infcx); + let ocx = ObligationCtxt::new_with_diagnostics(infcx); let actual_sig = tcx.fn_sig(fn_id).instantiate_identity(); diff --git a/compiler/rustc_hir_analysis/src/check/wfcheck.rs b/compiler/rustc_hir_analysis/src/check/wfcheck.rs index 81e3d8c7ece2..750e558be7c9 100644 --- a/compiler/rustc_hir_analysis/src/check/wfcheck.rs +++ b/compiler/rustc_hir_analysis/src/check/wfcheck.rs @@ -37,7 +37,7 @@ use rustc_trait_selection::traits::misc::{ use rustc_trait_selection::traits::outlives_bounds::InferCtxtExt as _; use rustc_trait_selection::traits::query::evaluate_obligation::InferCtxtExt as _; use rustc_trait_selection::traits::{ - self, ObligationCause, ObligationCauseCode, ObligationCtxt, WellFormedLoc, + self, FulfillmentError, ObligationCause, ObligationCauseCode, ObligationCtxt, WellFormedLoc, }; use rustc_type_ir::TypeFlags; @@ -45,13 +45,13 @@ use std::cell::LazyCell; use std::ops::{ControlFlow, Deref}; pub(super) struct WfCheckingCtxt<'a, 'tcx> { - pub(super) ocx: ObligationCtxt<'a, 'tcx>, + pub(super) ocx: ObligationCtxt<'a, 'tcx, FulfillmentError<'tcx>>, span: Span, body_def_id: LocalDefId, param_env: ty::ParamEnv<'tcx>, } impl<'a, 'tcx> Deref for WfCheckingCtxt<'a, 'tcx> { - type Target = ObligationCtxt<'a, 'tcx>; + type Target = ObligationCtxt<'a, 'tcx, FulfillmentError<'tcx>>; fn deref(&self) -> &Self::Target { &self.ocx } @@ -106,7 +106,7 @@ where { let param_env = tcx.param_env(body_def_id); let infcx = &tcx.infer_ctxt().build(); - let ocx = ObligationCtxt::new(infcx); + let ocx = ObligationCtxt::new_with_diagnostics(infcx); let mut wfcx = WfCheckingCtxt { ocx, span, body_def_id, param_env }; diff --git a/compiler/rustc_hir_analysis/src/coherence/builtin.rs b/compiler/rustc_hir_analysis/src/coherence/builtin.rs index 84771978a46c..61adb7a3cbae 100644 --- a/compiler/rustc_hir_analysis/src/coherence/builtin.rs +++ b/compiler/rustc_hir_analysis/src/coherence/builtin.rs @@ -267,7 +267,7 @@ fn visit_implementation_of_dispatch_from_dyn(checker: &Checker<'_>) -> Result<() .join(", "), })); } else { - let ocx = ObligationCtxt::new(&infcx); + let ocx = ObligationCtxt::new_with_diagnostics(&infcx); for field in coerced_fields { ocx.register_obligation(Obligation::new( tcx, @@ -480,7 +480,7 @@ pub fn coerce_unsized_info<'tcx>( }; // Register an obligation for `A: Trait`. - let ocx = ObligationCtxt::new(&infcx); + let ocx = ObligationCtxt::new_with_diagnostics(&infcx); let cause = traits::ObligationCause::misc(span, impl_did); let obligation = Obligation::new( tcx, diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs index 54b7f7f36ed2..e385716fbfb0 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs @@ -1298,7 +1298,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { .copied() .filter(|&(impl_, _)| { infcx.probe(|_| { - let ocx = ObligationCtxt::new(infcx); + let ocx = ObligationCtxt::new_with_diagnostics(infcx); let self_ty = ocx.normalize(&ObligationCause::dummy(), param_env, self_ty); let impl_args = infcx.fresh_args_for_item(span, impl_); diff --git a/compiler/rustc_hir_analysis/src/hir_wf_check.rs b/compiler/rustc_hir_analysis/src/hir_wf_check.rs index 10101aa046e5..3e15fddf559f 100644 --- a/compiler/rustc_hir_analysis/src/hir_wf_check.rs +++ b/compiler/rustc_hir_analysis/src/hir_wf_check.rs @@ -67,7 +67,7 @@ fn diagnostic_hir_wf_check<'tcx>( impl<'tcx> Visitor<'tcx> for HirWfCheck<'tcx> { fn visit_ty(&mut self, ty: &'tcx hir::Ty<'tcx>) { let infcx = self.tcx.infer_ctxt().build(); - let ocx = ObligationCtxt::new(&infcx); + let ocx = ObligationCtxt::new_with_diagnostics(&infcx); let tcx_ty = self.icx.lower_ty(ty); // This visitor can walk into binders, resulting in the `tcx_ty` to diff --git a/compiler/rustc_hir_analysis/src/impl_wf_check/min_specialization.rs b/compiler/rustc_hir_analysis/src/impl_wf_check/min_specialization.rs index 6967cb4d9d0b..f3ce3ab66553 100644 --- a/compiler/rustc_hir_analysis/src/impl_wf_check/min_specialization.rs +++ b/compiler/rustc_hir_analysis/src/impl_wf_check/min_specialization.rs @@ -196,7 +196,7 @@ fn get_impl_args( impl2_node: Node, ) -> Result<(GenericArgsRef<'_>, GenericArgsRef<'_>), ErrorGuaranteed> { let infcx = &tcx.infer_ctxt().build(); - let ocx = ObligationCtxt::new(infcx); + let ocx = ObligationCtxt::new_with_diagnostics(infcx); let param_env = tcx.param_env(impl1_def_id); let impl1_span = tcx.def_span(impl1_def_id); let assumed_wf_types = ocx.assumed_wf_types_and_report_errors(param_env, impl1_def_id)?; diff --git a/compiler/rustc_hir_typeck/src/expr.rs b/compiler/rustc_hir_typeck/src/expr.rs index 2f92a304bf03..3d88c4255245 100644 --- a/compiler/rustc_hir_typeck/src/expr.rs +++ b/compiler/rustc_hir_typeck/src/expr.rs @@ -3049,7 +3049,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { self.commit_if_ok(|snapshot| { let outer_universe = self.universe(); - let ocx = ObligationCtxt::new(self); + let ocx = ObligationCtxt::new_with_diagnostics(self); let impl_args = self.fresh_args_for_item(base_expr.span, impl_def_id); let impl_trait_ref = self.tcx.impl_trait_ref(impl_def_id).unwrap().instantiate(self.tcx, impl_args); diff --git a/compiler/rustc_hir_typeck/src/method/probe.rs b/compiler/rustc_hir_typeck/src/method/probe.rs index 97a74b55c535..12ced49f92ff 100644 --- a/compiler/rustc_hir_typeck/src/method/probe.rs +++ b/compiler/rustc_hir_typeck/src/method/probe.rs @@ -1390,7 +1390,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { let mut result = ProbeResult::Match; let cause = &self.misc(self.span); - let ocx = ObligationCtxt::new(self); + let ocx = ObligationCtxt::new_with_diagnostics(self); let mut trait_predicate = None; let (mut xform_self_ty, mut xform_ret_ty); diff --git a/compiler/rustc_hir_typeck/src/op.rs b/compiler/rustc_hir_typeck/src/op.rs index 25b74dca12fc..d774ae2146aa 100644 --- a/compiler/rustc_hir_typeck/src/op.rs +++ b/compiler/rustc_hir_typeck/src/op.rs @@ -928,7 +928,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let (obligation, _) = self.obligation_for_method(cause, trait_did, lhs_ty, Some(input_types)); // FIXME: This should potentially just add the obligation to the `FnCtxt` - let ocx = ObligationCtxt::new(&self.infcx); + let ocx = ObligationCtxt::new_with_diagnostics(&self.infcx); ocx.register_obligation(obligation); Err(ocx.select_all_or_error()) } diff --git a/compiler/rustc_mir_transform/src/coroutine.rs b/compiler/rustc_mir_transform/src/coroutine.rs index ade2ac0080e5..84512e81637e 100644 --- a/compiler/rustc_mir_transform/src/coroutine.rs +++ b/compiler/rustc_mir_transform/src/coroutine.rs @@ -1608,7 +1608,7 @@ fn check_field_tys_sized<'tcx>( let infcx = tcx.infer_ctxt().ignoring_regions().build(); let param_env = tcx.param_env(def_id); - let ocx = ObligationCtxt::new(&infcx); + let ocx = ObligationCtxt::new_with_diagnostics(&infcx); for field_ty in &coroutine_layout.field_tys { ocx.register_bound( ObligationCause::new( diff --git a/compiler/rustc_passes/src/check_attr.rs b/compiler/rustc_passes/src/check_attr.rs index 4fe84b91b8b1..39cb48c1af3a 100644 --- a/compiler/rustc_passes/src/check_attr.rs +++ b/compiler/rustc_passes/src/check_attr.rs @@ -2321,7 +2321,7 @@ impl<'tcx> CheckAttrVisitor<'tcx> { let param_env = ty::ParamEnv::empty(); let infcx = tcx.infer_ctxt().build(); - let ocx = ObligationCtxt::new(&infcx); + let ocx = ObligationCtxt::new_with_diagnostics(&infcx); let span = tcx.def_span(def_id); let fresh_args = infcx.fresh_args_for_item(span, def_id.to_def_id()); diff --git a/compiler/rustc_passes/src/layout_test.rs b/compiler/rustc_passes/src/layout_test.rs index 82d43f078ee2..c9a476504562 100644 --- a/compiler/rustc_passes/src/layout_test.rs +++ b/compiler/rustc_passes/src/layout_test.rs @@ -54,7 +54,7 @@ pub fn ensure_wf<'tcx>( pred, ); let infcx = tcx.infer_ctxt().build(); - let ocx = traits::ObligationCtxt::new(&infcx); + let ocx = traits::ObligationCtxt::new_with_diagnostics(&infcx); ocx.register_obligation(obligation); let errors = ocx.select_all_or_error(); if !errors.is_empty() { diff --git a/compiler/rustc_trait_selection/src/infer.rs b/compiler/rustc_trait_selection/src/infer.rs index fc852293dff0..f5d78430c978 100644 --- a/compiler/rustc_trait_selection/src/infer.rs +++ b/compiler/rustc_trait_selection/src/infer.rs @@ -1,14 +1,16 @@ +use crate::solve::NextSolverError; use crate::traits::query::evaluate_obligation::InferCtxtExt as _; -use crate::traits::{self, ObligationCtxt, SelectionContext}; +use crate::traits::{ + self, FromSolverError, Obligation, ObligationCause, ObligationCtxt, OldSolverError, + SelectionContext, +}; use rustc_hir::def_id::DefId; use rustc_hir::lang_items::LangItem; -use rustc_infer::traits::Obligation; use rustc_macros::extension; use rustc_middle::arena::ArenaAllocatable; use rustc_middle::infer::canonical::{Canonical, CanonicalQueryResponse, QueryResponse}; use rustc_middle::traits::query::NoSolution; -use rustc_middle::traits::ObligationCause; use rustc_middle::ty::{self, Ty, TyCtxt, TypeFoldable, TypeVisitableExt}; use rustc_middle::ty::{GenericArg, Upcast}; use rustc_span::DUMMY_SP; @@ -94,7 +96,7 @@ impl<'tcx> InferCtxt<'tcx> { ty::TraitRef::new(self.tcx, trait_def_id, [ty]), )) { Ok(Some(selection)) => { - let ocx = ObligationCtxt::new(self); + let ocx = ObligationCtxt::new_with_diagnostics(self); ocx.register_obligations(selection.nested_obligations()); Some(ocx.select_all_or_error()) } @@ -122,19 +124,21 @@ impl<'tcx> InferCtxtBuilder<'tcx> { /// bound for the closure and in part because it is convenient to /// have `'tcx` be free on this function so that we can talk about /// `K: TypeFoldable>`.) - fn enter_canonical_trait_query( + fn enter_canonical_trait_query( self, canonical_key: &Canonical<'tcx, K>, - operation: impl FnOnce(&ObligationCtxt<'_, 'tcx>, K) -> Result, + operation: impl FnOnce(&ObligationCtxt<'_, 'tcx, E>, K) -> Result, ) -> Result, NoSolution> where K: TypeFoldable>, R: Debug + TypeFoldable>, Canonical<'tcx, QueryResponse<'tcx, R>>: ArenaAllocatable<'tcx>, + E: FromSolverError<'tcx, NextSolverError<'tcx>> + + FromSolverError<'tcx, OldSolverError<'tcx>>, { let (infcx, key, canonical_inference_vars) = self.build_with_canonical(DUMMY_SP, canonical_key); - let ocx = ObligationCtxt::new(&infcx); + let ocx = ObligationCtxt::new_generic(&infcx); let value = operation(&ocx, key)?; ocx.make_canonicalized_query_response(canonical_inference_vars, value) } diff --git a/compiler/rustc_trait_selection/src/solve/fulfill.rs b/compiler/rustc_trait_selection/src/solve/fulfill.rs index 040bab1dfae2..d92c903a76ed 100644 --- a/compiler/rustc_trait_selection/src/solve/fulfill.rs +++ b/compiler/rustc_trait_selection/src/solve/fulfill.rs @@ -15,7 +15,7 @@ use rustc_middle::ty::error::{ExpectedFound, TypeError}; use rustc_middle::ty::{self, TyCtxt}; use rustc_span::symbol::sym; -use crate::traits::FulfillmentError; +use crate::traits::{FulfillmentError, ScrubbedTraitError}; use super::eval_ctxt::GenerateProofTree; use super::inspect::{self, ProofTreeInferCtxtExt, ProofTreeVisitor}; @@ -226,6 +226,17 @@ impl<'tcx> FromSolverError<'tcx, NextSolverError<'tcx>> for FulfillmentError<'tc } } +impl<'tcx> FromSolverError<'tcx, NextSolverError<'tcx>> for ScrubbedTraitError { + fn from_solver_error(_infcx: &InferCtxt<'tcx>, error: NextSolverError<'tcx>) -> Self { + match error { + NextSolverError::TrueError(_) => ScrubbedTraitError::TrueError, + NextSolverError::Ambiguity(_) | NextSolverError::Overflow(_) => { + ScrubbedTraitError::Ambiguity + } + } + } +} + fn fulfillment_error_for_no_solution<'tcx>( infcx: &InferCtxt<'tcx>, root_obligation: PredicateObligation<'tcx>, diff --git a/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs b/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs index 1f27978e5a62..dca14e20fb31 100644 --- a/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs +++ b/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs @@ -12,6 +12,7 @@ use rustc_ast_ir::try_visit; use rustc_ast_ir::visit::VisitorResult; use rustc_infer::infer::{DefineOpaqueTypes, InferCtxt, InferOk}; +use rustc_infer::traits::FulfillmentErrorLike as _; use rustc_macros::extension; use rustc_middle::traits::query::NoSolution; use rustc_middle::traits::solve::{inspect, QueryResult}; diff --git a/compiler/rustc_trait_selection/src/traits/coherence.rs b/compiler/rustc_trait_selection/src/traits/coherence.rs index 33eca1599121..7723f2229bf9 100644 --- a/compiler/rustc_trait_selection/src/traits/coherence.rs +++ b/compiler/rustc_trait_selection/src/traits/coherence.rs @@ -360,7 +360,7 @@ fn impl_intersection_has_impossible_obligation<'a, 'cx, 'tcx>( let infcx = selcx.infcx; if infcx.next_trait_solver() { - let ocx = ObligationCtxt::new(infcx); + let ocx = ObligationCtxt::new_with_diagnostics(infcx); ocx.register_obligations(obligations.iter().cloned()); let errors_and_ambiguities = ocx.select_all_or_error(); // We only care about the obligations that are *definitely* true errors. diff --git a/compiler/rustc_trait_selection/src/traits/engine.rs b/compiler/rustc_trait_selection/src/traits/engine.rs index b62cd345e510..333fd4556e3d 100644 --- a/compiler/rustc_trait_selection/src/traits/engine.rs +++ b/compiler/rustc_trait_selection/src/traits/engine.rs @@ -1,8 +1,8 @@ use std::cell::RefCell; use std::fmt::Debug; -use super::FulfillmentContext; use super::{FromSolverError, TraitEngine}; +use super::{FulfillmentContext, ScrubbedTraitError}; use crate::regions::InferCtxtRegionExt; use crate::solve::FulfillmentCtxt as NextFulfillmentCtxt; use crate::solve::NextSolverError; @@ -21,6 +21,7 @@ use rustc_infer::infer::canonical::{ use rustc_infer::infer::outlives::env::OutlivesEnvironment; use rustc_infer::infer::RegionResolutionError; use rustc_infer::infer::{DefineOpaqueTypes, InferCtxt, InferOk}; +use rustc_infer::traits::FulfillmentErrorLike; use rustc_macros::extension; use rustc_middle::arena::ArenaAllocatable; use rustc_middle::traits::query::NoSolution; @@ -53,20 +54,36 @@ impl< /// Used if you want to have pleasant experience when dealing /// with obligations outside of hir or mir typeck. -pub struct ObligationCtxt<'a, 'tcx> { +pub struct ObligationCtxt<'a, 'tcx, E = ScrubbedTraitError> { pub infcx: &'a InferCtxt<'tcx>, - engine: RefCell>>>, + engine: RefCell>>, } -impl<'a, 'tcx> ObligationCtxt<'a, 'tcx> { - pub fn new(infcx: &'a InferCtxt<'tcx>) -> Self { - // TODO: - Self { - infcx, - engine: RefCell::new(>>::new(infcx)), - } +impl<'a, 'tcx> ObligationCtxt<'a, 'tcx, FulfillmentError<'tcx>> { + pub fn new_with_diagnostics(infcx: &'a InferCtxt<'tcx>) -> Self { + Self { infcx, engine: RefCell::new(>::new(infcx)) } } +} +impl<'a, 'tcx> ObligationCtxt<'a, 'tcx, ScrubbedTraitError> { + pub fn new(infcx: &'a InferCtxt<'tcx>) -> Self { + Self { infcx, engine: RefCell::new(>::new(infcx)) } + } +} + +impl<'a, 'tcx, E> ObligationCtxt<'a, 'tcx, E> +where + E: FromSolverError<'tcx, NextSolverError<'tcx>> + FromSolverError<'tcx, OldSolverError<'tcx>>, +{ + pub fn new_generic(infcx: &'a InferCtxt<'tcx>) -> Self { + Self { infcx, engine: RefCell::new(>::new(infcx)) } + } +} + +impl<'a, 'tcx, E> ObligationCtxt<'a, 'tcx, E> +where + E: FulfillmentErrorLike<'tcx>, +{ pub fn register_obligation(&self, obligation: PredicateObligation<'tcx>) { self.engine.borrow_mut().register_predicate_obligation(self.infcx, obligation); } @@ -118,26 +135,6 @@ impl<'a, 'tcx> ObligationCtxt<'a, 'tcx> { self.register_infer_ok_obligations(infer_ok) } - pub fn deeply_normalize>>( - &self, - cause: &ObligationCause<'tcx>, - param_env: ty::ParamEnv<'tcx>, - value: T, - ) -> Result>> { - self.infcx.at(cause, param_env).deeply_normalize(value, &mut **self.engine.borrow_mut()) - } - - pub fn structurally_normalize( - &self, - cause: &ObligationCause<'tcx>, - param_env: ty::ParamEnv<'tcx>, - value: Ty<'tcx>, - ) -> Result, Vec>> { - self.infcx - .at(cause, param_env) - .structurally_normalize(value, &mut **self.engine.borrow_mut()) - } - pub fn eq>( &self, cause: &ObligationCause<'tcx>, @@ -194,12 +191,12 @@ impl<'a, 'tcx> ObligationCtxt<'a, 'tcx> { } #[must_use] - pub fn select_where_possible(&self) -> Vec> { + pub fn select_where_possible(&self) -> Vec { self.engine.borrow_mut().select_where_possible(self.infcx) } #[must_use] - pub fn select_all_or_error(&self) -> Vec> { + pub fn select_all_or_error(&self) -> Vec { self.engine.borrow_mut().select_all_or_error(self.infcx) } @@ -244,6 +241,24 @@ impl<'a, 'tcx> ObligationCtxt<'a, 'tcx> { self.infcx.resolve_regions(outlives_env) } + pub fn make_canonicalized_query_response( + &self, + inference_vars: CanonicalVarValues<'tcx>, + answer: T, + ) -> Result, NoSolution> + where + T: Debug + TypeFoldable>, + Canonical<'tcx, QueryResponse<'tcx, T>>: ArenaAllocatable<'tcx>, + { + self.infcx.make_canonicalized_query_response( + inference_vars, + answer, + &mut **self.engine.borrow_mut(), + ) + } +} + +impl<'tcx> ObligationCtxt<'_, 'tcx, FulfillmentError<'tcx>> { pub fn assumed_wf_types_and_report_errors( &self, param_env: ty::ParamEnv<'tcx>, @@ -252,12 +267,17 @@ impl<'a, 'tcx> ObligationCtxt<'a, 'tcx> { self.assumed_wf_types(param_env, def_id) .map_err(|errors| self.infcx.err_ctxt().report_fulfillment_errors(errors)) } +} +impl<'tcx, E> ObligationCtxt<'_, 'tcx, E> +where + E: FromSolverError<'tcx, NextSolverError<'tcx>>, +{ pub fn assumed_wf_types( &self, param_env: ty::ParamEnv<'tcx>, def_id: LocalDefId, - ) -> Result>, Vec>> { + ) -> Result>, Vec> { let tcx = self.infcx.tcx; let mut implied_bounds = FxIndexSet::default(); let mut errors = Vec::new(); @@ -289,19 +309,23 @@ impl<'a, 'tcx> ObligationCtxt<'a, 'tcx> { if errors.is_empty() { Ok(implied_bounds) } else { Err(errors) } } - pub fn make_canonicalized_query_response( + pub fn deeply_normalize>>( &self, - inference_vars: CanonicalVarValues<'tcx>, - answer: T, - ) -> Result, NoSolution> - where - T: Debug + TypeFoldable>, - Canonical<'tcx, QueryResponse<'tcx, T>>: ArenaAllocatable<'tcx>, - { - self.infcx.make_canonicalized_query_response( - inference_vars, - answer, - &mut **self.engine.borrow_mut(), - ) + cause: &ObligationCause<'tcx>, + param_env: ty::ParamEnv<'tcx>, + value: T, + ) -> Result> { + self.infcx.at(cause, param_env).deeply_normalize(value, &mut **self.engine.borrow_mut()) + } + + pub fn structurally_normalize( + &self, + cause: &ObligationCause<'tcx>, + param_env: ty::ParamEnv<'tcx>, + value: Ty<'tcx>, + ) -> Result, Vec> { + self.infcx + .at(cause, param_env) + .structurally_normalize(value, &mut **self.engine.borrow_mut()) } } diff --git a/compiler/rustc_trait_selection/src/traits/fulfill.rs b/compiler/rustc_trait_selection/src/traits/fulfill.rs index 09fe0196fcfc..8746cfa37e2e 100644 --- a/compiler/rustc_trait_selection/src/traits/fulfill.rs +++ b/compiler/rustc_trait_selection/src/traits/fulfill.rs @@ -16,13 +16,13 @@ use rustc_middle::ty::GenericArgsRef; use rustc_middle::ty::{self, Binder, Const, TypeVisitableExt}; use std::marker::PhantomData; -use super::const_evaluatable; use super::project::{self, ProjectAndUnifyResult}; use super::select::SelectionContext; use super::wf; use super::EvaluationResult; use super::PredicateObligation; use super::Unimplemented; +use super::{const_evaluatable, ScrubbedTraitError}; use super::{FulfillmentError, FulfillmentErrorCode}; use crate::traits::project::PolyProjectionObligation; @@ -855,3 +855,17 @@ impl<'tcx> FromSolverError<'tcx, OldSolverError<'tcx>> for FulfillmentError<'tcx FulfillmentError::new(obligation, error.error, root_obligation) } } + +impl<'tcx> FromSolverError<'tcx, OldSolverError<'tcx>> for ScrubbedTraitError { + fn from_solver_error(_infcx: &InferCtxt<'tcx>, error: OldSolverError<'tcx>) -> Self { + match error.error { + FulfillmentErrorCode::Select(_) + | FulfillmentErrorCode::Project(_) + | FulfillmentErrorCode::Subtype(_, _) + | FulfillmentErrorCode::ConstEquate(_, _) => ScrubbedTraitError::TrueError, + FulfillmentErrorCode::Cycle(_) | FulfillmentErrorCode::Ambiguity { overflow: _ } => { + ScrubbedTraitError::Ambiguity + } + } + } +} diff --git a/compiler/rustc_trait_selection/src/traits/misc.rs b/compiler/rustc_trait_selection/src/traits/misc.rs index 8b4594926474..baec2268629d 100644 --- a/compiler/rustc_trait_selection/src/traits/misc.rs +++ b/compiler/rustc_trait_selection/src/traits/misc.rs @@ -137,7 +137,7 @@ pub fn all_fields_implement_trait<'tcx>( for field in &variant.fields { // Do this per-field to get better error messages. let infcx = tcx.infer_ctxt().build(); - let ocx = traits::ObligationCtxt::new(&infcx); + let ocx = traits::ObligationCtxt::new_with_diagnostics(&infcx); let unnormalized_ty = field.ty(tcx, args); if unnormalized_ty.references_error() { diff --git a/compiler/rustc_trait_selection/src/traits/mod.rs b/compiler/rustc_trait_selection/src/traits/mod.rs index 990a88f748e6..aabd687f0a54 100644 --- a/compiler/rustc_trait_selection/src/traits/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/mod.rs @@ -46,7 +46,7 @@ pub use self::coherence::{add_placeholder_note, orphan_check_trait_ref, overlapp pub use self::coherence::{InCrate, IsFirstInputType, UncoveredTyParams}; pub use self::coherence::{OrphanCheckErr, OrphanCheckMode, OverlapResult}; pub use self::engine::{ObligationCtxt, TraitEngineExt}; -pub use self::fulfill::{FulfillmentContext, PendingPredicateObligation}; +pub use self::fulfill::{FulfillmentContext, OldSolverError, PendingPredicateObligation}; pub use self::normalize::NormalizeExt; pub use self::object_safety::hir_ty_lowering_object_safety_violations; pub use self::object_safety::is_vtable_safe_method; @@ -70,6 +70,28 @@ pub use self::util::{with_replaced_escaping_bound_vars, BoundVarReplacer, Placeh pub use rustc_infer::traits::*; +// A trait error without any information in it. You likely want to alternately use [`ObligationCtxt::new_with_diagnostics`] to get a [`FulfillmentError`]. +#[derive(Copy, Clone, Debug)] +pub enum ScrubbedTraitError { + TrueError, + Ambiguity, +} + +impl ScrubbedTraitError { + fn is_true_error(&self) -> bool { + match self { + ScrubbedTraitError::TrueError => true, + ScrubbedTraitError::Ambiguity => false, + } + } +} + +impl<'tcx> FulfillmentErrorLike<'tcx> for ScrubbedTraitError { + fn is_true_error(&self) -> bool { + self.is_true_error() + } +} + pub struct FulfillmentError<'tcx> { pub obligation: PredicateObligation<'tcx>, pub code: FulfillmentErrorCode<'tcx>, @@ -450,7 +472,7 @@ pub fn fully_normalize<'tcx, T>( where T: TypeFoldable>, { - let ocx = ObligationCtxt::new(infcx); + let ocx = ObligationCtxt::new_with_diagnostics(infcx); debug!(?value); let normalized_value = ocx.normalize(&cause, param_env, value); debug!(?normalized_value); diff --git a/compiler/rustc_traits/src/codegen.rs b/compiler/rustc_traits/src/codegen.rs index b96b1b67a740..41f607fb3a8a 100644 --- a/compiler/rustc_traits/src/codegen.rs +++ b/compiler/rustc_traits/src/codegen.rs @@ -50,7 +50,8 @@ pub fn codegen_select_candidate<'tcx>( // Currently, we use a fulfillment context to completely resolve // all nested obligations. This is because they can inform the // inference of the impl's type parameters. - let ocx = ObligationCtxt::new(&infcx); + // FIXME(-Znext-solver): Doesn't need diagnostics if new solver. + let ocx = ObligationCtxt::new_with_diagnostics(&infcx); let impl_source = selection.map(|obligation| { ocx.register_obligation(obligation); }); diff --git a/compiler/rustc_traits/src/normalize_projection_ty.rs b/compiler/rustc_traits/src/normalize_projection_ty.rs index fee13078250f..712abf6fcb32 100644 --- a/compiler/rustc_traits/src/normalize_projection_ty.rs +++ b/compiler/rustc_traits/src/normalize_projection_ty.rs @@ -8,7 +8,7 @@ use rustc_trait_selection::traits::query::{ normalize::NormalizationResult, CanonicalAliasGoal, NoSolution, }; use rustc_trait_selection::traits::{ - self, FulfillmentErrorCode, ObligationCause, SelectionContext, + self, FulfillmentError, FulfillmentErrorCode, ObligationCause, ObligationCtxt, SelectionContext, }; use tracing::debug; @@ -29,7 +29,8 @@ fn normalize_canonicalized_projection_ty<'tcx>( tcx.infer_ctxt().enter_canonical_trait_query( &goal, - |ocx, ParamEnvAnd { param_env, value: goal }| { + |ocx: &ObligationCtxt<'_, 'tcx, FulfillmentError<'tcx>>, + ParamEnvAnd { param_env, value: goal }| { debug_assert!(!ocx.infcx.next_trait_solver()); let selcx = &mut SelectionContext::new(ocx.infcx); let cause = ObligationCause::dummy(); @@ -73,7 +74,7 @@ fn normalize_canonicalized_weak_ty<'tcx>( tcx.infer_ctxt().enter_canonical_trait_query( &goal, - |ocx, ParamEnvAnd { param_env, value: goal }| { + |ocx: &ObligationCtxt<'_, 'tcx>, ParamEnvAnd { param_env, value: goal }| { let obligations = tcx.predicates_of(goal.def_id).instantiate_own(tcx, goal.args).map( |(predicate, span)| { traits::Obligation::new( @@ -99,7 +100,7 @@ fn normalize_canonicalized_inherent_projection_ty<'tcx>( tcx.infer_ctxt().enter_canonical_trait_query( &goal, - |ocx, ParamEnvAnd { param_env, value: goal }| { + |ocx: &ObligationCtxt<'_, 'tcx>, ParamEnvAnd { param_env, value: goal }| { let selcx = &mut SelectionContext::new(ocx.infcx); let cause = ObligationCause::dummy(); let mut obligations = vec![]; diff --git a/compiler/rustc_traits/src/type_op.rs b/compiler/rustc_traits/src/type_op.rs index b6a59a4ad3a4..35b0ede9a2e5 100644 --- a/compiler/rustc_traits/src/type_op.rs +++ b/compiler/rustc_traits/src/type_op.rs @@ -43,10 +43,13 @@ fn type_op_eq<'tcx>( tcx: TyCtxt<'tcx>, canonicalized: Canonical<'tcx, ParamEnvAnd<'tcx, Eq<'tcx>>>, ) -> Result<&'tcx Canonical<'tcx, QueryResponse<'tcx, ()>>, NoSolution> { - tcx.infer_ctxt().enter_canonical_trait_query(&canonicalized, |ocx, key| { - let (param_env, Eq { a, b }) = key.into_parts(); - Ok(ocx.eq(&ObligationCause::dummy(), param_env, a, b)?) - }) + tcx.infer_ctxt().enter_canonical_trait_query( + &canonicalized, + |ocx: &ObligationCtxt<'_, 'tcx>, key| { + let (param_env, Eq { a, b }) = key.into_parts(); + Ok(ocx.eq(&ObligationCause::dummy(), param_env, a, b)?) + }, + ) } fn type_op_normalize<'tcx, T>( @@ -95,10 +98,13 @@ fn type_op_subtype<'tcx>( tcx: TyCtxt<'tcx>, canonicalized: Canonical<'tcx, ParamEnvAnd<'tcx, Subtype<'tcx>>>, ) -> Result<&'tcx Canonical<'tcx, QueryResponse<'tcx, ()>>, NoSolution> { - tcx.infer_ctxt().enter_canonical_trait_query(&canonicalized, |ocx, key| { - let (param_env, Subtype { sub, sup }) = key.into_parts(); - Ok(ocx.sup(&ObligationCause::dummy(), param_env, sup, sub)?) - }) + tcx.infer_ctxt().enter_canonical_trait_query( + &canonicalized, + |ocx: &ObligationCtxt<'_, 'tcx>, key| { + let (param_env, Subtype { sub, sup }) = key.into_parts(); + Ok(ocx.sup(&ObligationCause::dummy(), param_env, sup, sub)?) + }, + ) } fn type_op_prove_predicate<'tcx>( diff --git a/src/tools/clippy/clippy_lints/src/future_not_send.rs b/src/tools/clippy/clippy_lints/src/future_not_send.rs index 192fb611c2d4..cb1d0de1edff 100644 --- a/src/tools/clippy/clippy_lints/src/future_not_send.rs +++ b/src/tools/clippy/clippy_lints/src/future_not_send.rs @@ -79,7 +79,7 @@ impl<'tcx> LateLintPass<'tcx> for FutureNotSend { let send_trait = cx.tcx.get_diagnostic_item(sym::Send).unwrap(); let span = decl.output.span(); let infcx = cx.tcx.infer_ctxt().build(); - let ocx = ObligationCtxt::new(&infcx); + let ocx = ObligationCtxt::new_with_diagnostics(&infcx); let cause = traits::ObligationCause::misc(span, fn_def_id); ocx.register_bound(cause, cx.param_env, ret_ty, send_trait); let send_errors = ocx.select_all_or_error(); From 94a524ed1163f4876544366586dc1b87deb13e95 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sat, 1 Jun 2024 15:00:02 -0400 Subject: [PATCH 0898/1716] Use ScrubbedTraitError in more places --- .../src/type_check/constraint_conversion.rs | 4 ++-- compiler/rustc_hir_analysis/src/coherence/orphan.rs | 9 +++++---- compiler/rustc_trait_selection/src/regions.rs | 5 ++--- compiler/rustc_trait_selection/src/solve/normalize.rs | 8 +++----- compiler/rustc_trait_selection/src/traits/mod.rs | 9 ++++++++- .../rustc_trait_selection/src/traits/query/normalize.rs | 7 +++---- .../src/traits/query/type_op/implied_outlives_bounds.rs | 5 ++--- 7 files changed, 25 insertions(+), 22 deletions(-) diff --git a/compiler/rustc_borrowck/src/type_check/constraint_conversion.rs b/compiler/rustc_borrowck/src/type_check/constraint_conversion.rs index 4037f04d0bce..210532e56a5b 100644 --- a/compiler/rustc_borrowck/src/type_check/constraint_conversion.rs +++ b/compiler/rustc_borrowck/src/type_check/constraint_conversion.rs @@ -13,7 +13,7 @@ use rustc_span::Span; use rustc_trait_selection::solve::deeply_normalize; use rustc_trait_selection::traits::query::type_op::custom::CustomTypeOp; use rustc_trait_selection::traits::query::type_op::{TypeOp, TypeOpOutput}; -use rustc_trait_selection::traits::FulfillmentError; +use rustc_trait_selection::traits::ScrubbedTraitError; use crate::{ constraints::OutlivesConstraint, @@ -287,7 +287,7 @@ impl<'a, 'tcx> ConstraintConversion<'a, 'tcx> { ocx.infcx.at(&ObligationCause::dummy_with_span(self.span), self.param_env), ty, ) - .map_err(|_: Vec>| NoSolution) + .map_err(|_: Vec| NoSolution) }, "normalize type outlives obligation", ) diff --git a/compiler/rustc_hir_analysis/src/coherence/orphan.rs b/compiler/rustc_hir_analysis/src/coherence/orphan.rs index a4818b25f98c..d2eb0cb5a7bc 100644 --- a/compiler/rustc_hir_analysis/src/coherence/orphan.rs +++ b/compiler/rustc_hir_analysis/src/coherence/orphan.rs @@ -12,9 +12,11 @@ use rustc_middle::ty::{TypeFoldable, TypeFolder, TypeSuperFoldable}; use rustc_middle::ty::{TypeSuperVisitable, TypeVisitable, TypeVisitableExt, TypeVisitor}; use rustc_middle::{bug, span_bug}; use rustc_span::def_id::{DefId, LocalDefId}; -use rustc_trait_selection::traits::{self, IsFirstInputType, UncoveredTyParams}; -use rustc_trait_selection::traits::{FulfillmentError, StructurallyNormalizeExt, TraitEngineExt}; +use rustc_trait_selection::traits::{ + self, IsFirstInputType, ScrubbedTraitError, UncoveredTyParams, +}; use rustc_trait_selection::traits::{OrphanCheckErr, OrphanCheckMode}; +use rustc_trait_selection::traits::{StructurallyNormalizeExt, TraitEngineExt}; #[instrument(level = "debug", skip(tcx))] pub(crate) fn orphan_check_impl( @@ -317,8 +319,7 @@ fn orphan_check<'tcx>( } let ty = if infcx.next_trait_solver() { - let mut fulfill_cx = - >>::new(&infcx); + let mut fulfill_cx = >::new(&infcx); infcx .at(&cause, ty::ParamEnv::empty()) .structurally_normalize(ty, &mut *fulfill_cx) diff --git a/compiler/rustc_trait_selection/src/regions.rs b/compiler/rustc_trait_selection/src/regions.rs index cca5bce03e19..3ef3f9ef3585 100644 --- a/compiler/rustc_trait_selection/src/regions.rs +++ b/compiler/rustc_trait_selection/src/regions.rs @@ -1,4 +1,4 @@ -use crate::traits::FulfillmentError; +use crate::traits::ScrubbedTraitError; use rustc_infer::infer::outlives::env::OutlivesEnvironment; use rustc_infer::infer::{InferCtxt, RegionResolutionError}; use rustc_macros::extension; @@ -28,8 +28,7 @@ impl<'tcx> InferCtxt<'tcx> { ), ty, ) - // TODO: - .map_err(|_: Vec>| NoSolution) + .map_err(|_: Vec| NoSolution) } else { Ok(ty) } diff --git a/compiler/rustc_trait_selection/src/solve/normalize.rs b/compiler/rustc_trait_selection/src/solve/normalize.rs index f85e5d8746fd..5e41e8e8ba92 100644 --- a/compiler/rustc_trait_selection/src/solve/normalize.rs +++ b/compiler/rustc_trait_selection/src/solve/normalize.rs @@ -2,7 +2,7 @@ use std::marker::PhantomData; use crate::traits::error_reporting::{OverflowCause, TypeErrCtxtExt}; use crate::traits::query::evaluate_obligation::InferCtxtExt; -use crate::traits::{BoundVarReplacer, FulfillmentError, PlaceholderReplacer}; +use crate::traits::{BoundVarReplacer, PlaceholderReplacer, ScrubbedTraitError}; use rustc_data_structures::stack::ensure_sufficient_stack; use rustc_infer::infer::at::At; use rustc_infer::infer::InferCtxt; @@ -253,8 +253,7 @@ impl<'tcx> TypeFolder> for DeeplyNormalizeForDiagnosticsFolder<'_, ty, vec![None; ty.outer_exclusive_binder().as_usize()], ) - // TODO: - .unwrap_or_else(|_: Vec>| ty.super_fold_with(self)) + .unwrap_or_else(|_: Vec| ty.super_fold_with(self)) } fn fold_const(&mut self, ct: ty::Const<'tcx>) -> ty::Const<'tcx> { @@ -263,7 +262,6 @@ impl<'tcx> TypeFolder> for DeeplyNormalizeForDiagnosticsFolder<'_, ct, vec![None; ct.outer_exclusive_binder().as_usize()], ) - // TODO: - .unwrap_or_else(|_: Vec>| ct.super_fold_with(self)) + .unwrap_or_else(|_: Vec| ct.super_fold_with(self)) } } diff --git a/compiler/rustc_trait_selection/src/traits/mod.rs b/compiler/rustc_trait_selection/src/traits/mod.rs index aabd687f0a54..cab743987c65 100644 --- a/compiler/rustc_trait_selection/src/traits/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/mod.rs @@ -70,10 +70,17 @@ pub use self::util::{with_replaced_escaping_bound_vars, BoundVarReplacer, Placeh pub use rustc_infer::traits::*; -// A trait error without any information in it. You likely want to alternately use [`ObligationCtxt::new_with_diagnostics`] to get a [`FulfillmentError`]. +/// A trait error without most of its information removed. This is the error +/// returned by an [`ObligationCtxt`] by default, and suitable if you just +/// want to see if a predicate holds, and don't particularly care about the +/// error itself (except for if it's an ambiguity or true error). +/// +/// use [`ObligationCtxt::new_with_diagnostics`] to get a [`FulfillmentError`]. #[derive(Copy, Clone, Debug)] pub enum ScrubbedTraitError { + /// A real error. This goal definitely does not hold. TrueError, + /// An ambiguity. This goal may hold if further inference is done. Ambiguity, } diff --git a/compiler/rustc_trait_selection/src/traits/query/normalize.rs b/compiler/rustc_trait_selection/src/traits/query/normalize.rs index 2c0103e40dff..860f50888a59 100644 --- a/compiler/rustc_trait_selection/src/traits/query/normalize.rs +++ b/compiler/rustc_trait_selection/src/traits/query/normalize.rs @@ -8,8 +8,8 @@ use crate::infer::{InferCtxt, InferOk}; use crate::traits::error_reporting::OverflowCause; use crate::traits::error_reporting::TypeErrCtxtExt; use crate::traits::normalize::needs_normalization; -use crate::traits::{BoundVarReplacer, PlaceholderReplacer}; -use crate::traits::{FulfillmentError, Normalized}; +use crate::traits::Normalized; +use crate::traits::{BoundVarReplacer, PlaceholderReplacer, ScrubbedTraitError}; use crate::traits::{ObligationCause, PredicateObligation, Reveal}; use rustc_data_structures::sso::SsoHashMap; use rustc_data_structures::stack::ensure_sufficient_stack; @@ -76,8 +76,7 @@ impl<'cx, 'tcx> At<'cx, 'tcx> { }; if self.infcx.next_trait_solver() { - // TODO: - match crate::solve::deeply_normalize_with_skipped_universes::<_, FulfillmentError<'tcx>>( + match crate::solve::deeply_normalize_with_skipped_universes::<_, ScrubbedTraitError>( self, value, universes, ) { Ok(value) => return Ok(Normalized { value, obligations: vec![] }), diff --git a/compiler/rustc_trait_selection/src/traits/query/type_op/implied_outlives_bounds.rs b/compiler/rustc_trait_selection/src/traits/query/type_op/implied_outlives_bounds.rs index a1bbd21f8296..e4d0a5412192 100644 --- a/compiler/rustc_trait_selection/src/traits/query/type_op/implied_outlives_bounds.rs +++ b/compiler/rustc_trait_selection/src/traits/query/type_op/implied_outlives_bounds.rs @@ -1,8 +1,8 @@ use crate::solve; use crate::traits::query::NoSolution; use crate::traits::wf; -use crate::traits::FulfillmentError; use crate::traits::ObligationCtxt; +use crate::traits::ScrubbedTraitError; use rustc_infer::infer::canonical::Canonical; use rustc_infer::infer::outlives::components::{push_outlives_components, Component}; @@ -267,8 +267,7 @@ pub fn compute_implied_outlives_bounds_compat_inner<'tcx>( ocx.infcx.at(&ObligationCause::dummy(), param_env), ty_a, ) - // TODO: - .map_err(|_errs: Vec>| NoSolution)?; + .map_err(|_errs: Vec| NoSolution)?; } let mut components = smallvec![]; push_outlives_components(tcx, ty_a, &mut components); From 27f5eccd1f433c9455d1a0d3e402c1fa2a2ce334 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sat, 1 Jun 2024 15:08:44 -0400 Subject: [PATCH 0899/1716] Move FulfillmentErrorCode to rustc_trait_selection too --- .../rustc_borrowck/src/diagnostics/mod.rs | 6 ++- .../src/diagnostics/mutability_errors.rs | 2 +- .../src/fn_ctxt/suggestions.rs | 2 +- compiler/rustc_infer/src/traits/mod.rs | 21 +--------- .../src/traits/structural_impls.rs | 21 ---------- .../src/solve/fulfill.rs | 7 ++-- .../rustc_trait_selection/src/traits/mod.rs | 40 ++++++++++++++++++- compiler/rustc_traits/src/codegen.rs | 4 +- 8 files changed, 51 insertions(+), 52 deletions(-) diff --git a/compiler/rustc_borrowck/src/diagnostics/mod.rs b/compiler/rustc_borrowck/src/diagnostics/mod.rs index 88172c62a3b2..1eb67ea367c2 100644 --- a/compiler/rustc_borrowck/src/diagnostics/mod.rs +++ b/compiler/rustc_borrowck/src/diagnostics/mod.rs @@ -11,7 +11,7 @@ use rustc_hir::def::{CtorKind, Namespace}; use rustc_hir::CoroutineKind; use rustc_index::IndexSlice; use rustc_infer::infer::BoundRegionConversionTime; -use rustc_infer::traits::{FulfillmentErrorCode, SelectionError}; +use rustc_infer::traits::SelectionError; use rustc_middle::bug; use rustc_middle::mir::tcx::PlaceTy; use rustc_middle::mir::{ @@ -29,7 +29,9 @@ use rustc_span::{symbol::sym, Span, Symbol, DUMMY_SP}; use rustc_target::abi::{FieldIdx, VariantIdx}; use rustc_trait_selection::infer::InferCtxtExt; use rustc_trait_selection::traits::error_reporting::suggestions::TypeErrCtxtExt as _; -use rustc_trait_selection::traits::type_known_to_meet_bound_modulo_regions; +use rustc_trait_selection::traits::{ + type_known_to_meet_bound_modulo_regions, FulfillmentErrorCode, +}; use crate::fluent_generated as fluent; diff --git a/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs b/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs index 78798545c26f..df1a1411cf5f 100644 --- a/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs @@ -6,7 +6,6 @@ use hir::{ExprKind, Param}; use rustc_errors::{Applicability, Diag}; use rustc_hir::intravisit::Visitor; use rustc_hir::{self as hir, BindingMode, ByRef, Node}; -use rustc_infer::traits; use rustc_middle::bug; use rustc_middle::mir::{Mutability, Place, PlaceRef, ProjectionElem}; use rustc_middle::ty::{self, InstanceDef, Ty, TyCtxt, Upcast}; @@ -18,6 +17,7 @@ use rustc_span::symbol::{kw, Symbol}; use rustc_span::{sym, BytePos, DesugaringKind, Span}; use rustc_target::abi::FieldIdx; use rustc_trait_selection::infer::InferCtxtExt; +use rustc_trait_selection::traits; use rustc_trait_selection::traits::error_reporting::suggestions::TypeErrCtxtExt; use crate::diagnostics::BorrowedContentSource; diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs index 5723b73a328a..caaf4142f7d1 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs @@ -22,7 +22,6 @@ use rustc_hir::{ }; use rustc_hir_analysis::collect::suggest_impl_trait; use rustc_hir_analysis::hir_ty_lowering::HirTyLowerer; -use rustc_infer::traits; use rustc_middle::lint::in_external_macro; use rustc_middle::middle::stability::EvalResult; use rustc_middle::span_bug; @@ -36,6 +35,7 @@ use rustc_span::source_map::Spanned; use rustc_span::symbol::{sym, Ident}; use rustc_span::{Span, Symbol}; use rustc_trait_selection::infer::InferCtxtExt; +use rustc_trait_selection::traits; use rustc_trait_selection::traits::error_reporting::suggestions::TypeErrCtxtExt; use rustc_trait_selection::traits::error_reporting::DefIdOrName; use rustc_trait_selection::traits::query::evaluate_obligation::InferCtxtExt as _; diff --git a/compiler/rustc_infer/src/traits/mod.rs b/compiler/rustc_infer/src/traits/mod.rs index 26c931876dbd..e9c2d81aa0af 100644 --- a/compiler/rustc_infer/src/traits/mod.rs +++ b/compiler/rustc_infer/src/traits/mod.rs @@ -15,8 +15,7 @@ use hir::def_id::LocalDefId; use rustc_hir as hir; use rustc_middle::traits::query::NoSolution; use rustc_middle::traits::solve::Certainty; -use rustc_middle::ty::error::{ExpectedFound, TypeError}; -use rustc_middle::ty::{self, Const, Ty, TyCtxt, Upcast}; +use rustc_middle::ty::{self, Ty, TyCtxt, Upcast}; use rustc_span::Span; pub use self::ImplSource::*; @@ -124,24 +123,6 @@ pub type Selection<'tcx> = ImplSource<'tcx, PredicateObligation<'tcx>>; pub type ObligationInspector<'tcx> = fn(&InferCtxt<'tcx>, &PredicateObligation<'tcx>, Result); -// TODO: Pull this down too -#[derive(Clone)] -pub enum FulfillmentErrorCode<'tcx> { - /// Inherently impossible to fulfill; this trait is implemented if and only - /// if it is already implemented. - Cycle(Vec>), - Select(SelectionError<'tcx>), - Project(MismatchedProjectionTypes<'tcx>), - Subtype(ExpectedFound>, TypeError<'tcx>), // always comes from a SubtypePredicate - ConstEquate(ExpectedFound>, TypeError<'tcx>), - Ambiguity { - /// Overflow is only `Some(suggest_recursion_limit)` when using the next generation - /// trait solver `-Znext-solver`. With the old solver overflow is eagerly handled by - /// emitting a fatal error instead. - overflow: Option, - }, -} - impl<'tcx, O> Obligation<'tcx, O> { pub fn new( tcx: TyCtxt<'tcx>, diff --git a/compiler/rustc_infer/src/traits/structural_impls.rs b/compiler/rustc_infer/src/traits/structural_impls.rs index 00abf939807a..b26734a296fd 100644 --- a/compiler/rustc_infer/src/traits/structural_impls.rs +++ b/compiler/rustc_infer/src/traits/structural_impls.rs @@ -29,27 +29,6 @@ impl<'tcx, O: fmt::Debug> fmt::Debug for traits::Obligation<'tcx, O> { } } -impl<'tcx> fmt::Debug for traits::FulfillmentErrorCode<'tcx> { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - use traits::FulfillmentErrorCode::*; - match *self { - Select(ref e) => write!(f, "{e:?}"), - Project(ref e) => write!(f, "{e:?}"), - Subtype(ref a, ref b) => { - write!(f, "CodeSubtypeError({a:?}, {b:?})") - } - ConstEquate(ref a, ref b) => { - write!(f, "CodeConstEquateError({a:?}, {b:?})") - } - Ambiguity { overflow: None } => write!(f, "Ambiguity"), - Ambiguity { overflow: Some(suggest_increasing_limit) } => { - write!(f, "Overflow({suggest_increasing_limit})") - } - Cycle(ref cycle) => write!(f, "Cycle({cycle:?})"), - } - } -} - impl<'tcx> fmt::Debug for traits::MismatchedProjectionTypes<'tcx> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { write!(f, "MismatchedProjectionTypes({:?})", self.err) diff --git a/compiler/rustc_trait_selection/src/solve/fulfill.rs b/compiler/rustc_trait_selection/src/solve/fulfill.rs index d92c903a76ed..b644f70eee42 100644 --- a/compiler/rustc_trait_selection/src/solve/fulfill.rs +++ b/compiler/rustc_trait_selection/src/solve/fulfill.rs @@ -6,16 +6,15 @@ use rustc_infer::infer::InferCtxt; use rustc_infer::traits::query::NoSolution; use rustc_infer::traits::solve::{CandidateSource, GoalSource, MaybeCause}; use rustc_infer::traits::{ - self, FromSolverError, FulfillmentErrorCode, FulfillmentErrorLike, MismatchedProjectionTypes, - Obligation, ObligationCause, ObligationCauseCode, PredicateObligation, SelectionError, - TraitEngine, + self, FromSolverError, FulfillmentErrorLike, MismatchedProjectionTypes, Obligation, + ObligationCause, ObligationCauseCode, PredicateObligation, SelectionError, TraitEngine, }; use rustc_middle::bug; use rustc_middle::ty::error::{ExpectedFound, TypeError}; use rustc_middle::ty::{self, TyCtxt}; use rustc_span::symbol::sym; -use crate::traits::{FulfillmentError, ScrubbedTraitError}; +use crate::traits::{FulfillmentError, FulfillmentErrorCode, ScrubbedTraitError}; use super::eval_ctxt::GenerateProofTree; use super::inspect::{self, ProofTreeInferCtxtExt, ProofTreeVisitor}; diff --git a/compiler/rustc_trait_selection/src/traits/mod.rs b/compiler/rustc_trait_selection/src/traits/mod.rs index cab743987c65..8fdf9c61c496 100644 --- a/compiler/rustc_trait_selection/src/traits/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/mod.rs @@ -32,6 +32,7 @@ use crate::traits::query::evaluate_obligation::InferCtxtExt as _; use rustc_errors::ErrorGuaranteed; use rustc_middle::query::Providers; use rustc_middle::span_bug; +use rustc_middle::ty::error::{ExpectedFound, TypeError}; use rustc_middle::ty::fold::TypeFoldable; use rustc_middle::ty::visit::{TypeVisitable, TypeVisitableExt}; use rustc_middle::ty::{self, Ty, TyCtxt, TypeFolder, TypeSuperVisitable, Upcast}; @@ -70,7 +71,7 @@ pub use self::util::{with_replaced_escaping_bound_vars, BoundVarReplacer, Placeh pub use rustc_infer::traits::*; -/// A trait error without most of its information removed. This is the error +/// A trait error with most of its information removed. This is the error /// returned by an [`ObligationCtxt`] by default, and suitable if you just /// want to see if a predicate holds, and don't particularly care about the /// error itself (except for if it's an ambiguity or true error). @@ -142,6 +143,43 @@ impl<'tcx> Debug for FulfillmentError<'tcx> { } } +#[derive(Clone)] +pub enum FulfillmentErrorCode<'tcx> { + /// Inherently impossible to fulfill; this trait is implemented if and only + /// if it is already implemented. + Cycle(Vec>), + Select(SelectionError<'tcx>), + Project(MismatchedProjectionTypes<'tcx>), + Subtype(ExpectedFound>, TypeError<'tcx>), // always comes from a SubtypePredicate + ConstEquate(ExpectedFound>, TypeError<'tcx>), + Ambiguity { + /// Overflow is only `Some(suggest_recursion_limit)` when using the next generation + /// trait solver `-Znext-solver`. With the old solver overflow is eagerly handled by + /// emitting a fatal error instead. + overflow: Option, + }, +} + +impl<'tcx> Debug for FulfillmentErrorCode<'tcx> { + fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { + match *self { + FulfillmentErrorCode::Select(ref e) => write!(f, "{e:?}"), + FulfillmentErrorCode::Project(ref e) => write!(f, "{e:?}"), + FulfillmentErrorCode::Subtype(ref a, ref b) => { + write!(f, "CodeSubtypeError({a:?}, {b:?})") + } + FulfillmentErrorCode::ConstEquate(ref a, ref b) => { + write!(f, "CodeConstEquateError({a:?}, {b:?})") + } + FulfillmentErrorCode::Ambiguity { overflow: None } => write!(f, "Ambiguity"), + FulfillmentErrorCode::Ambiguity { overflow: Some(suggest_increasing_limit) } => { + write!(f, "Overflow({suggest_increasing_limit})") + } + FulfillmentErrorCode::Cycle(ref cycle) => write!(f, "Cycle({cycle:?})"), + } + } +} + /// Whether to skip the leak check, as part of a future compatibility warning step. /// /// The "default" for skip-leak-check corresponds to the current diff --git a/compiler/rustc_traits/src/codegen.rs b/compiler/rustc_traits/src/codegen.rs index 41f607fb3a8a..5defb8172716 100644 --- a/compiler/rustc_traits/src/codegen.rs +++ b/compiler/rustc_traits/src/codegen.rs @@ -4,13 +4,13 @@ // general routines. use rustc_infer::infer::TyCtxtInferExt; -use rustc_infer::traits::FulfillmentErrorCode; use rustc_middle::bug; use rustc_middle::traits::CodegenObligationError; use rustc_middle::ty::{self, TyCtxt, TypeVisitableExt}; use rustc_trait_selection::traits::error_reporting::TypeErrCtxtExt; use rustc_trait_selection::traits::{ - ImplSource, Obligation, ObligationCause, ObligationCtxt, SelectionContext, Unimplemented, + FulfillmentErrorCode, ImplSource, Obligation, ObligationCause, ObligationCtxt, + SelectionContext, Unimplemented, }; use tracing::debug; From 1e72c7f536bbdf3ed8a0071d28824c071c3722b5 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sun, 2 Jun 2024 18:36:11 -0400 Subject: [PATCH 0900/1716] Add cycle errors to ScrubbedTraitError to remove a couple more calls to new_with_diagnostics --- .../src/type_check/constraint_conversion.rs | 2 +- .../src/coherence/orphan.rs | 3 ++- compiler/rustc_trait_selection/src/infer.rs | 14 ++++-------- compiler/rustc_trait_selection/src/regions.rs | 2 +- .../src/solve/fulfill.rs | 2 +- .../src/solve/normalize.rs | 4 ++-- .../src/traits/engine.rs | 13 ++--------- .../src/traits/fulfill.rs | 7 +++--- .../rustc_trait_selection/src/traits/mod.rs | 12 +++++----- .../src/traits/query/normalize.rs | 2 +- .../query/type_op/implied_outlives_bounds.rs | 2 +- compiler/rustc_traits/src/codegen.rs | 8 +++---- .../src/normalize_projection_ty.rs | 13 +++++------ compiler/rustc_traits/src/type_op.rs | 22 +++++++------------ 14 files changed, 42 insertions(+), 64 deletions(-) diff --git a/compiler/rustc_borrowck/src/type_check/constraint_conversion.rs b/compiler/rustc_borrowck/src/type_check/constraint_conversion.rs index 210532e56a5b..266a80187c54 100644 --- a/compiler/rustc_borrowck/src/type_check/constraint_conversion.rs +++ b/compiler/rustc_borrowck/src/type_check/constraint_conversion.rs @@ -287,7 +287,7 @@ impl<'a, 'tcx> ConstraintConversion<'a, 'tcx> { ocx.infcx.at(&ObligationCause::dummy_with_span(self.span), self.param_env), ty, ) - .map_err(|_: Vec| NoSolution) + .map_err(|_: Vec>| NoSolution) }, "normalize type outlives obligation", ) diff --git a/compiler/rustc_hir_analysis/src/coherence/orphan.rs b/compiler/rustc_hir_analysis/src/coherence/orphan.rs index d2eb0cb5a7bc..1e7bb63e6ea4 100644 --- a/compiler/rustc_hir_analysis/src/coherence/orphan.rs +++ b/compiler/rustc_hir_analysis/src/coherence/orphan.rs @@ -319,7 +319,8 @@ fn orphan_check<'tcx>( } let ty = if infcx.next_trait_solver() { - let mut fulfill_cx = >::new(&infcx); + let mut fulfill_cx = + >>::new(&infcx); infcx .at(&cause, ty::ParamEnv::empty()) .structurally_normalize(ty, &mut *fulfill_cx) diff --git a/compiler/rustc_trait_selection/src/infer.rs b/compiler/rustc_trait_selection/src/infer.rs index f5d78430c978..c95649e2ffb8 100644 --- a/compiler/rustc_trait_selection/src/infer.rs +++ b/compiler/rustc_trait_selection/src/infer.rs @@ -1,9 +1,5 @@ -use crate::solve::NextSolverError; use crate::traits::query::evaluate_obligation::InferCtxtExt as _; -use crate::traits::{ - self, FromSolverError, Obligation, ObligationCause, ObligationCtxt, OldSolverError, - SelectionContext, -}; +use crate::traits::{self, Obligation, ObligationCause, ObligationCtxt, SelectionContext}; use rustc_hir::def_id::DefId; use rustc_hir::lang_items::LangItem; @@ -124,21 +120,19 @@ impl<'tcx> InferCtxtBuilder<'tcx> { /// bound for the closure and in part because it is convenient to /// have `'tcx` be free on this function so that we can talk about /// `K: TypeFoldable>`.) - fn enter_canonical_trait_query( + fn enter_canonical_trait_query( self, canonical_key: &Canonical<'tcx, K>, - operation: impl FnOnce(&ObligationCtxt<'_, 'tcx, E>, K) -> Result, + operation: impl FnOnce(&ObligationCtxt<'_, 'tcx>, K) -> Result, ) -> Result, NoSolution> where K: TypeFoldable>, R: Debug + TypeFoldable>, Canonical<'tcx, QueryResponse<'tcx, R>>: ArenaAllocatable<'tcx>, - E: FromSolverError<'tcx, NextSolverError<'tcx>> - + FromSolverError<'tcx, OldSolverError<'tcx>>, { let (infcx, key, canonical_inference_vars) = self.build_with_canonical(DUMMY_SP, canonical_key); - let ocx = ObligationCtxt::new_generic(&infcx); + let ocx = ObligationCtxt::new(&infcx); let value = operation(&ocx, key)?; ocx.make_canonicalized_query_response(canonical_inference_vars, value) } diff --git a/compiler/rustc_trait_selection/src/regions.rs b/compiler/rustc_trait_selection/src/regions.rs index 3ef3f9ef3585..5f986e22f513 100644 --- a/compiler/rustc_trait_selection/src/regions.rs +++ b/compiler/rustc_trait_selection/src/regions.rs @@ -28,7 +28,7 @@ impl<'tcx> InferCtxt<'tcx> { ), ty, ) - .map_err(|_: Vec| NoSolution) + .map_err(|_: Vec>| NoSolution) } else { Ok(ty) } diff --git a/compiler/rustc_trait_selection/src/solve/fulfill.rs b/compiler/rustc_trait_selection/src/solve/fulfill.rs index b644f70eee42..3de4aee0927b 100644 --- a/compiler/rustc_trait_selection/src/solve/fulfill.rs +++ b/compiler/rustc_trait_selection/src/solve/fulfill.rs @@ -225,7 +225,7 @@ impl<'tcx> FromSolverError<'tcx, NextSolverError<'tcx>> for FulfillmentError<'tc } } -impl<'tcx> FromSolverError<'tcx, NextSolverError<'tcx>> for ScrubbedTraitError { +impl<'tcx> FromSolverError<'tcx, NextSolverError<'tcx>> for ScrubbedTraitError<'tcx> { fn from_solver_error(_infcx: &InferCtxt<'tcx>, error: NextSolverError<'tcx>) -> Self { match error { NextSolverError::TrueError(_) => ScrubbedTraitError::TrueError, diff --git a/compiler/rustc_trait_selection/src/solve/normalize.rs b/compiler/rustc_trait_selection/src/solve/normalize.rs index 5e41e8e8ba92..4211129a4e15 100644 --- a/compiler/rustc_trait_selection/src/solve/normalize.rs +++ b/compiler/rustc_trait_selection/src/solve/normalize.rs @@ -253,7 +253,7 @@ impl<'tcx> TypeFolder> for DeeplyNormalizeForDiagnosticsFolder<'_, ty, vec![None; ty.outer_exclusive_binder().as_usize()], ) - .unwrap_or_else(|_: Vec| ty.super_fold_with(self)) + .unwrap_or_else(|_: Vec>| ty.super_fold_with(self)) } fn fold_const(&mut self, ct: ty::Const<'tcx>) -> ty::Const<'tcx> { @@ -262,6 +262,6 @@ impl<'tcx> TypeFolder> for DeeplyNormalizeForDiagnosticsFolder<'_, ct, vec![None; ct.outer_exclusive_binder().as_usize()], ) - .unwrap_or_else(|_: Vec| ct.super_fold_with(self)) + .unwrap_or_else(|_: Vec>| ct.super_fold_with(self)) } } diff --git a/compiler/rustc_trait_selection/src/traits/engine.rs b/compiler/rustc_trait_selection/src/traits/engine.rs index 333fd4556e3d..397f9cf2638e 100644 --- a/compiler/rustc_trait_selection/src/traits/engine.rs +++ b/compiler/rustc_trait_selection/src/traits/engine.rs @@ -54,7 +54,7 @@ impl< /// Used if you want to have pleasant experience when dealing /// with obligations outside of hir or mir typeck. -pub struct ObligationCtxt<'a, 'tcx, E = ScrubbedTraitError> { +pub struct ObligationCtxt<'a, 'tcx, E = ScrubbedTraitError<'tcx>> { pub infcx: &'a InferCtxt<'tcx>, engine: RefCell>>, } @@ -65,21 +65,12 @@ impl<'a, 'tcx> ObligationCtxt<'a, 'tcx, FulfillmentError<'tcx>> { } } -impl<'a, 'tcx> ObligationCtxt<'a, 'tcx, ScrubbedTraitError> { +impl<'a, 'tcx> ObligationCtxt<'a, 'tcx, ScrubbedTraitError<'tcx>> { pub fn new(infcx: &'a InferCtxt<'tcx>) -> Self { Self { infcx, engine: RefCell::new(>::new(infcx)) } } } -impl<'a, 'tcx, E> ObligationCtxt<'a, 'tcx, E> -where - E: FromSolverError<'tcx, NextSolverError<'tcx>> + FromSolverError<'tcx, OldSolverError<'tcx>>, -{ - pub fn new_generic(infcx: &'a InferCtxt<'tcx>) -> Self { - Self { infcx, engine: RefCell::new(>::new(infcx)) } - } -} - impl<'a, 'tcx, E> ObligationCtxt<'a, 'tcx, E> where E: FulfillmentErrorLike<'tcx>, diff --git a/compiler/rustc_trait_selection/src/traits/fulfill.rs b/compiler/rustc_trait_selection/src/traits/fulfill.rs index 8746cfa37e2e..59802a260435 100644 --- a/compiler/rustc_trait_selection/src/traits/fulfill.rs +++ b/compiler/rustc_trait_selection/src/traits/fulfill.rs @@ -856,16 +856,15 @@ impl<'tcx> FromSolverError<'tcx, OldSolverError<'tcx>> for FulfillmentError<'tcx } } -impl<'tcx> FromSolverError<'tcx, OldSolverError<'tcx>> for ScrubbedTraitError { +impl<'tcx> FromSolverError<'tcx, OldSolverError<'tcx>> for ScrubbedTraitError<'tcx> { fn from_solver_error(_infcx: &InferCtxt<'tcx>, error: OldSolverError<'tcx>) -> Self { match error.error { FulfillmentErrorCode::Select(_) | FulfillmentErrorCode::Project(_) | FulfillmentErrorCode::Subtype(_, _) | FulfillmentErrorCode::ConstEquate(_, _) => ScrubbedTraitError::TrueError, - FulfillmentErrorCode::Cycle(_) | FulfillmentErrorCode::Ambiguity { overflow: _ } => { - ScrubbedTraitError::Ambiguity - } + FulfillmentErrorCode::Ambiguity { overflow: _ } => ScrubbedTraitError::Ambiguity, + FulfillmentErrorCode::Cycle(cycle) => ScrubbedTraitError::Cycle(cycle), } } } diff --git a/compiler/rustc_trait_selection/src/traits/mod.rs b/compiler/rustc_trait_selection/src/traits/mod.rs index 8fdf9c61c496..9aaa8adbd671 100644 --- a/compiler/rustc_trait_selection/src/traits/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/mod.rs @@ -77,24 +77,26 @@ pub use rustc_infer::traits::*; /// error itself (except for if it's an ambiguity or true error). /// /// use [`ObligationCtxt::new_with_diagnostics`] to get a [`FulfillmentError`]. -#[derive(Copy, Clone, Debug)] -pub enum ScrubbedTraitError { +#[derive(Clone, Debug)] +pub enum ScrubbedTraitError<'tcx> { /// A real error. This goal definitely does not hold. TrueError, /// An ambiguity. This goal may hold if further inference is done. Ambiguity, + /// An old-solver-style cycle error, which will fatal. + Cycle(Vec>), } -impl ScrubbedTraitError { +impl<'tcx> ScrubbedTraitError<'tcx> { fn is_true_error(&self) -> bool { match self { ScrubbedTraitError::TrueError => true, - ScrubbedTraitError::Ambiguity => false, + ScrubbedTraitError::Ambiguity | ScrubbedTraitError::Cycle(_) => false, } } } -impl<'tcx> FulfillmentErrorLike<'tcx> for ScrubbedTraitError { +impl<'tcx> FulfillmentErrorLike<'tcx> for ScrubbedTraitError<'tcx> { fn is_true_error(&self) -> bool { self.is_true_error() } diff --git a/compiler/rustc_trait_selection/src/traits/query/normalize.rs b/compiler/rustc_trait_selection/src/traits/query/normalize.rs index 860f50888a59..e170d7cae937 100644 --- a/compiler/rustc_trait_selection/src/traits/query/normalize.rs +++ b/compiler/rustc_trait_selection/src/traits/query/normalize.rs @@ -76,7 +76,7 @@ impl<'cx, 'tcx> At<'cx, 'tcx> { }; if self.infcx.next_trait_solver() { - match crate::solve::deeply_normalize_with_skipped_universes::<_, ScrubbedTraitError>( + match crate::solve::deeply_normalize_with_skipped_universes::<_, ScrubbedTraitError<'tcx>>( self, value, universes, ) { Ok(value) => return Ok(Normalized { value, obligations: vec![] }), diff --git a/compiler/rustc_trait_selection/src/traits/query/type_op/implied_outlives_bounds.rs b/compiler/rustc_trait_selection/src/traits/query/type_op/implied_outlives_bounds.rs index e4d0a5412192..54fa07496181 100644 --- a/compiler/rustc_trait_selection/src/traits/query/type_op/implied_outlives_bounds.rs +++ b/compiler/rustc_trait_selection/src/traits/query/type_op/implied_outlives_bounds.rs @@ -267,7 +267,7 @@ pub fn compute_implied_outlives_bounds_compat_inner<'tcx>( ocx.infcx.at(&ObligationCause::dummy(), param_env), ty_a, ) - .map_err(|_errs: Vec| NoSolution)?; + .map_err(|_errs: Vec>| NoSolution)?; } let mut components = smallvec![]; push_outlives_components(tcx, ty_a, &mut components); diff --git a/compiler/rustc_traits/src/codegen.rs b/compiler/rustc_traits/src/codegen.rs index 5defb8172716..c73ececd1d15 100644 --- a/compiler/rustc_traits/src/codegen.rs +++ b/compiler/rustc_traits/src/codegen.rs @@ -9,8 +9,8 @@ use rustc_middle::traits::CodegenObligationError; use rustc_middle::ty::{self, TyCtxt, TypeVisitableExt}; use rustc_trait_selection::traits::error_reporting::TypeErrCtxtExt; use rustc_trait_selection::traits::{ - FulfillmentErrorCode, ImplSource, Obligation, ObligationCause, ObligationCtxt, - SelectionContext, Unimplemented, + ImplSource, Obligation, ObligationCause, ObligationCtxt, ScrubbedTraitError, SelectionContext, + Unimplemented, }; use tracing::debug; @@ -51,7 +51,7 @@ pub fn codegen_select_candidate<'tcx>( // all nested obligations. This is because they can inform the // inference of the impl's type parameters. // FIXME(-Znext-solver): Doesn't need diagnostics if new solver. - let ocx = ObligationCtxt::new_with_diagnostics(&infcx); + let ocx = ObligationCtxt::new(&infcx); let impl_source = selection.map(|obligation| { ocx.register_obligation(obligation); }); @@ -65,7 +65,7 @@ pub fn codegen_select_candidate<'tcx>( // Cycle errors are the only post-monomorphization errors possible; emit them now so // `rustc_ty_utils::resolve_associated_item` doesn't return `None` post-monomorphization. for err in errors { - if let FulfillmentErrorCode::Cycle(cycle) = err.code { + if let ScrubbedTraitError::Cycle(cycle) = err { infcx.err_ctxt().report_overflow_obligation_cycle(&cycle); } } diff --git a/compiler/rustc_traits/src/normalize_projection_ty.rs b/compiler/rustc_traits/src/normalize_projection_ty.rs index 712abf6fcb32..b0a93b62dbf3 100644 --- a/compiler/rustc_traits/src/normalize_projection_ty.rs +++ b/compiler/rustc_traits/src/normalize_projection_ty.rs @@ -7,9 +7,7 @@ use rustc_trait_selection::traits::error_reporting::TypeErrCtxtExt; use rustc_trait_selection::traits::query::{ normalize::NormalizationResult, CanonicalAliasGoal, NoSolution, }; -use rustc_trait_selection::traits::{ - self, FulfillmentError, FulfillmentErrorCode, ObligationCause, ObligationCtxt, SelectionContext, -}; +use rustc_trait_selection::traits::{self, ObligationCause, ScrubbedTraitError, SelectionContext}; use tracing::debug; pub(crate) fn provide(p: &mut Providers) { @@ -29,8 +27,7 @@ fn normalize_canonicalized_projection_ty<'tcx>( tcx.infer_ctxt().enter_canonical_trait_query( &goal, - |ocx: &ObligationCtxt<'_, 'tcx, FulfillmentError<'tcx>>, - ParamEnvAnd { param_env, value: goal }| { + |ocx, ParamEnvAnd { param_env, value: goal }| { debug_assert!(!ocx.infcx.next_trait_solver()); let selcx = &mut SelectionContext::new(ocx.infcx); let cause = ObligationCause::dummy(); @@ -50,7 +47,7 @@ fn normalize_canonicalized_projection_ty<'tcx>( // that impl vars are constrained by the signature, for example). if !tcx.sess.opts.actually_rustdoc { for error in &errors { - if let FulfillmentErrorCode::Cycle(cycle) = &error.code { + if let ScrubbedTraitError::Cycle(cycle) = &error { ocx.infcx.err_ctxt().report_overflow_obligation_cycle(cycle); } } @@ -74,7 +71,7 @@ fn normalize_canonicalized_weak_ty<'tcx>( tcx.infer_ctxt().enter_canonical_trait_query( &goal, - |ocx: &ObligationCtxt<'_, 'tcx>, ParamEnvAnd { param_env, value: goal }| { + |ocx, ParamEnvAnd { param_env, value: goal }| { let obligations = tcx.predicates_of(goal.def_id).instantiate_own(tcx, goal.args).map( |(predicate, span)| { traits::Obligation::new( @@ -100,7 +97,7 @@ fn normalize_canonicalized_inherent_projection_ty<'tcx>( tcx.infer_ctxt().enter_canonical_trait_query( &goal, - |ocx: &ObligationCtxt<'_, 'tcx>, ParamEnvAnd { param_env, value: goal }| { + |ocx, ParamEnvAnd { param_env, value: goal }| { let selcx = &mut SelectionContext::new(ocx.infcx); let cause = ObligationCause::dummy(); let mut obligations = vec![]; diff --git a/compiler/rustc_traits/src/type_op.rs b/compiler/rustc_traits/src/type_op.rs index 35b0ede9a2e5..b6a59a4ad3a4 100644 --- a/compiler/rustc_traits/src/type_op.rs +++ b/compiler/rustc_traits/src/type_op.rs @@ -43,13 +43,10 @@ fn type_op_eq<'tcx>( tcx: TyCtxt<'tcx>, canonicalized: Canonical<'tcx, ParamEnvAnd<'tcx, Eq<'tcx>>>, ) -> Result<&'tcx Canonical<'tcx, QueryResponse<'tcx, ()>>, NoSolution> { - tcx.infer_ctxt().enter_canonical_trait_query( - &canonicalized, - |ocx: &ObligationCtxt<'_, 'tcx>, key| { - let (param_env, Eq { a, b }) = key.into_parts(); - Ok(ocx.eq(&ObligationCause::dummy(), param_env, a, b)?) - }, - ) + tcx.infer_ctxt().enter_canonical_trait_query(&canonicalized, |ocx, key| { + let (param_env, Eq { a, b }) = key.into_parts(); + Ok(ocx.eq(&ObligationCause::dummy(), param_env, a, b)?) + }) } fn type_op_normalize<'tcx, T>( @@ -98,13 +95,10 @@ fn type_op_subtype<'tcx>( tcx: TyCtxt<'tcx>, canonicalized: Canonical<'tcx, ParamEnvAnd<'tcx, Subtype<'tcx>>>, ) -> Result<&'tcx Canonical<'tcx, QueryResponse<'tcx, ()>>, NoSolution> { - tcx.infer_ctxt().enter_canonical_trait_query( - &canonicalized, - |ocx: &ObligationCtxt<'_, 'tcx>, key| { - let (param_env, Subtype { sub, sup }) = key.into_parts(); - Ok(ocx.sup(&ObligationCause::dummy(), param_env, sup, sub)?) - }, - ) + tcx.infer_ctxt().enter_canonical_trait_query(&canonicalized, |ocx, key| { + let (param_env, Subtype { sub, sup }) = key.into_parts(); + Ok(ocx.sup(&ObligationCause::dummy(), param_env, sup, sub)?) + }) } fn type_op_prove_predicate<'tcx>( From e94779a396619b63b99dd6494a5a940c59518d8e Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sat, 1 Jun 2024 14:51:31 -0400 Subject: [PATCH 0901/1716] Opt-in diagnostics reporting to avoid doing extra work in the new solver --- clippy_lints/src/future_not_send.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/clippy_lints/src/future_not_send.rs b/clippy_lints/src/future_not_send.rs index 192fb611c2d4..cb1d0de1edff 100644 --- a/clippy_lints/src/future_not_send.rs +++ b/clippy_lints/src/future_not_send.rs @@ -79,7 +79,7 @@ impl<'tcx> LateLintPass<'tcx> for FutureNotSend { let send_trait = cx.tcx.get_diagnostic_item(sym::Send).unwrap(); let span = decl.output.span(); let infcx = cx.tcx.infer_ctxt().build(); - let ocx = ObligationCtxt::new(&infcx); + let ocx = ObligationCtxt::new_with_diagnostics(&infcx); let cause = traits::ObligationCause::misc(span, fn_def_id); ocx.register_bound(cause, cx.param_env, ret_ty, send_trait); let send_errors = ocx.select_all_or_error(); From 063b26af6bf7973768d2616eb4f79fc9b91ee11c Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Mon, 3 Jun 2024 13:28:49 +0000 Subject: [PATCH 0902/1716] Explain some code duplication --- compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs index d26ebe9881b8..4b8e12a489c5 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs @@ -444,6 +444,8 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { if let Err(incorrect) = self.incorrect_args { if incorrect.invalid_args.contains(&(param.index as usize)) { + // FIXME: use `param.to_error` once `provided_kind` is supplied a list of + // all previous generic args. return match param.kind { GenericParamDefKind::Lifetime => { ty::Region::new_error(tcx, incorrect.reported).into() @@ -531,6 +533,8 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { if let Err(incorrect) = self.incorrect_args { if incorrect.invalid_args.contains(&(param.index as usize)) { + // FIXME: use `param.to_error` once `inferred_kind` is supplied a list of + // all previous generic args. return match param.kind { GenericParamDefKind::Lifetime => { ty::Region::new_error(tcx, incorrect.reported).into() From 108a1e5f4be6a9184dee6957bdaa81c0454fb4fd Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Mon, 3 Jun 2024 13:45:36 +0000 Subject: [PATCH 0903/1716] Always provide previous generic arguments --- .../src/hir_ty_lowering/generics.rs | 9 ++-- .../src/hir_ty_lowering/mod.rs | 41 +++++++------------ .../rustc_hir_typeck/src/fn_ctxt/_impl.rs | 6 +-- .../rustc_hir_typeck/src/method/confirm.rs | 2 +- 4 files changed, 24 insertions(+), 34 deletions(-) diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/generics.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/generics.rs index 4ec2aa6c6262..72e03ead76b0 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/generics.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/generics.rs @@ -214,10 +214,11 @@ pub fn lower_generic_args<'tcx: 'a, 'a>( if let Some(¶m) = params.peek() { if param.index == 0 { if let GenericParamDefKind::Type { .. } = param.kind { + assert_eq!(&args[..], &[]); args.push( self_ty .map(|ty| ty.into()) - .unwrap_or_else(|| ctx.inferred_kind(None, param, true)), + .unwrap_or_else(|| ctx.inferred_kind(&args, param, true)), ); params.next(); } @@ -267,7 +268,7 @@ pub fn lower_generic_args<'tcx: 'a, 'a>( // Since this is a const impl, we need to insert a host arg at the end of // `PartialEq`'s generics, but this errors since `Rhs` isn't specified. // To work around this, we infer all arguments until we reach the host param. - args.push(ctx.inferred_kind(Some(&args), param, infer_args)); + args.push(ctx.inferred_kind(&args, param, infer_args)); params.next(); } (GenericArg::Lifetime(_), GenericParamDefKind::Lifetime, _) @@ -292,7 +293,7 @@ pub fn lower_generic_args<'tcx: 'a, 'a>( ) => { // We expected a lifetime argument, but got a type or const // argument. That means we're inferring the lifetimes. - args.push(ctx.inferred_kind(None, param, infer_args)); + args.push(ctx.inferred_kind(&args, param, infer_args)); force_infer_lt = Some((arg, param)); params.next(); } @@ -388,7 +389,7 @@ pub fn lower_generic_args<'tcx: 'a, 'a>( (None, Some(¶m)) => { // If there are fewer arguments than parameters, it means // we're inferring the remaining arguments. - args.push(ctx.inferred_kind(Some(&args), param, infer_args)); + args.push(ctx.inferred_kind(&args, param, infer_args)); params.next(); } diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs index 4b8e12a489c5..f073d92a1b91 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs @@ -245,7 +245,7 @@ pub trait GenericArgsLowerer<'a, 'tcx> { fn inferred_kind( &mut self, - args: Option<&[ty::GenericArg<'tcx>]>, + preceding_args: &[ty::GenericArg<'tcx>], param: &ty::GenericParamDef, infer_args: bool, ) -> ty::GenericArg<'tcx>; @@ -525,7 +525,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { fn inferred_kind( &mut self, - args: Option<&[ty::GenericArg<'tcx>]>, + preceding_args: &[ty::GenericArg<'tcx>], param: &ty::GenericParamDef, infer_args: bool, ) -> ty::GenericArg<'tcx> { @@ -533,22 +533,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { if let Err(incorrect) = self.incorrect_args { if incorrect.invalid_args.contains(&(param.index as usize)) { - // FIXME: use `param.to_error` once `inferred_kind` is supplied a list of - // all previous generic args. - return match param.kind { - GenericParamDefKind::Lifetime => { - ty::Region::new_error(tcx, incorrect.reported).into() - } - GenericParamDefKind::Type { .. } => { - Ty::new_error(tcx, incorrect.reported).into() - } - GenericParamDefKind::Const { .. } => ty::Const::new_error( - tcx, - incorrect.reported, - Ty::new_error(tcx, incorrect.reported), - ) - .into(), - }; + return param.to_error(tcx, preceding_args); } } match param.kind { @@ -569,15 +554,19 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { GenericParamDefKind::Type { has_default, .. } => { if !infer_args && has_default { // No type parameter provided, but a default exists. - let args = args.unwrap(); - if args.iter().any(|arg| match arg.unpack() { - GenericArgKind::Type(ty) => ty.references_error(), - _ => false, - }) { + if let Some(prev) = + preceding_args.iter().find_map(|arg| match arg.unpack() { + GenericArgKind::Type(ty) => ty.error_reported().err(), + _ => None, + }) + { // Avoid ICE #86756 when type error recovery goes awry. - return Ty::new_misc_error(tcx).into(); + return Ty::new_error(tcx, prev).into(); } - tcx.at(self.span).type_of(param.def_id).instantiate(tcx, args).into() + tcx.at(self.span) + .type_of(param.def_id) + .instantiate(tcx, preceding_args) + .into() } else if infer_args { self.lowerer.ty_infer(Some(param), self.span).into() } else { @@ -597,7 +586,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { // FIXME(effects) see if we should special case effect params here if !infer_args && has_default { tcx.const_param_default(param.def_id) - .instantiate(tcx, args.unwrap()) + .instantiate(tcx, preceding_args) .into() } else { if infer_args { diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs index bae99fe79773..5edbf584b2e2 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs @@ -1317,7 +1317,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { fn inferred_kind( &mut self, - args: Option<&[ty::GenericArg<'tcx>]>, + preceding_args: &[ty::GenericArg<'tcx>], param: &ty::GenericParamDef, infer_args: bool, ) -> ty::GenericArg<'tcx> { @@ -1331,7 +1331,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // If we have a default, then it doesn't matter that we're not // inferring the type arguments: we provide the default where any // is missing. - tcx.type_of(param.def_id).instantiate(tcx, args.unwrap()).into() + tcx.type_of(param.def_id).instantiate(tcx, preceding_args).into() } else { // If no type arguments were provided, we have to infer them. // This case also occurs as a result of some malformed input, e.g. @@ -1356,7 +1356,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } else if !infer_args { return tcx .const_param_default(param.def_id) - .instantiate(tcx, args.unwrap()) + .instantiate(tcx, preceding_args) .into(); } } diff --git a/compiler/rustc_hir_typeck/src/method/confirm.rs b/compiler/rustc_hir_typeck/src/method/confirm.rs index 9c64f9475cf1..cde5c71966cd 100644 --- a/compiler/rustc_hir_typeck/src/method/confirm.rs +++ b/compiler/rustc_hir_typeck/src/method/confirm.rs @@ -419,7 +419,7 @@ impl<'a, 'tcx> ConfirmContext<'a, 'tcx> { fn inferred_kind( &mut self, - _args: Option<&[ty::GenericArg<'tcx>]>, + _preceding_args: &[ty::GenericArg<'tcx>], param: &ty::GenericParamDef, _infer_args: bool, ) -> ty::GenericArg<'tcx> { From d498eb59373a71a166f31b1a9b70a7d8ac9cd4a3 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Mon, 3 Jun 2024 13:48:54 +0000 Subject: [PATCH 0904/1716] Provide previous generic arguments to `provided_kind` --- .../src/hir_ty_lowering/generics.rs | 2 +- .../src/hir_ty_lowering/mod.rs | 19 +++---------------- .../rustc_hir_typeck/src/fn_ctxt/_impl.rs | 1 + .../rustc_hir_typeck/src/method/confirm.rs | 1 + 4 files changed, 6 insertions(+), 17 deletions(-) diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/generics.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/generics.rs index 72e03ead76b0..26cabb69d25c 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/generics.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/generics.rs @@ -282,7 +282,7 @@ pub fn lower_generic_args<'tcx: 'a, 'a>( GenericParamDefKind::Const { .. }, _, ) => { - args.push(ctx.provided_kind(param, arg)); + args.push(ctx.provided_kind(&args, param, arg)); args_iter.next(); params.next(); } diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs index f073d92a1b91..56e2a05214ea 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs @@ -239,6 +239,7 @@ pub trait GenericArgsLowerer<'a, 'tcx> { fn provided_kind( &mut self, + preceding_args: &[ty::GenericArg<'tcx>], param: &ty::GenericParamDef, arg: &GenericArg<'tcx>, ) -> ty::GenericArg<'tcx>; @@ -437,6 +438,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { fn provided_kind( &mut self, + preceding_args: &[ty::GenericArg<'tcx>], param: &ty::GenericParamDef, arg: &GenericArg<'tcx>, ) -> ty::GenericArg<'tcx> { @@ -444,22 +446,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { if let Err(incorrect) = self.incorrect_args { if incorrect.invalid_args.contains(&(param.index as usize)) { - // FIXME: use `param.to_error` once `provided_kind` is supplied a list of - // all previous generic args. - return match param.kind { - GenericParamDefKind::Lifetime => { - ty::Region::new_error(tcx, incorrect.reported).into() - } - GenericParamDefKind::Type { .. } => { - Ty::new_error(tcx, incorrect.reported).into() - } - GenericParamDefKind::Const { .. } => ty::Const::new_error( - tcx, - incorrect.reported, - Ty::new_error(tcx, incorrect.reported), - ) - .into(), - }; + return param.to_error(tcx, preceding_args); } } diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs index 5edbf584b2e2..58eb0c281798 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs @@ -1275,6 +1275,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { fn provided_kind( &mut self, + _preceding_args: &[ty::GenericArg<'tcx>], param: &ty::GenericParamDef, arg: &GenericArg<'tcx>, ) -> ty::GenericArg<'tcx> { diff --git a/compiler/rustc_hir_typeck/src/method/confirm.rs b/compiler/rustc_hir_typeck/src/method/confirm.rs index cde5c71966cd..0825e6613730 100644 --- a/compiler/rustc_hir_typeck/src/method/confirm.rs +++ b/compiler/rustc_hir_typeck/src/method/confirm.rs @@ -383,6 +383,7 @@ impl<'a, 'tcx> ConfirmContext<'a, 'tcx> { fn provided_kind( &mut self, + _preceding_args: &[ty::GenericArg<'tcx>], param: &ty::GenericParamDef, arg: &GenericArg<'tcx>, ) -> ty::GenericArg<'tcx> { From de6b219803421da9f50a85c108847c51abf2e74a Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Tue, 23 Apr 2024 14:52:54 -0400 Subject: [PATCH 0905/1716] Make WHERE_CLAUSES_OBJECT_SAFETY a regular object safety violation --- compiler/rustc_lint_defs/src/builtin.rs | 42 ---------- .../src/traits/object_safety.rs | 81 +------------------ src/tools/miri/tests/fail/issue-miri-2432.rs | 19 ----- .../miri/tests/fail/issue-miri-2432.stderr | 15 ---- .../object-safety-err-where-bounds.rs | 5 +- .../object-safety-err-where-bounds.stderr | 35 +++++--- tests/ui/issues/issue-50781.rs | 8 +- tests/ui/issues/issue-50781.stderr | 52 +++++++++--- tests/ui/object-safety/issue-106247.rs | 2 - tests/ui/traits/vtable/vtable-vacant.rs | 1 - tests/ui/traits/vtable/vtable-vacant.stderr | 2 +- .../self-in-where-clause-allowed.rs | 1 - .../self-in-where-clause-allowed.stderr | 4 +- 13 files changed, 75 insertions(+), 192 deletions(-) delete mode 100644 src/tools/miri/tests/fail/issue-miri-2432.rs delete mode 100644 src/tools/miri/tests/fail/issue-miri-2432.stderr diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs index 93995fe60a36..a3044489fdce 100644 --- a/compiler/rustc_lint_defs/src/builtin.rs +++ b/compiler/rustc_lint_defs/src/builtin.rs @@ -136,7 +136,6 @@ declare_lint_pass! { USELESS_DEPRECATED, WARNINGS, WASM_C_ABI, - WHERE_CLAUSES_OBJECT_SAFETY, WRITES_THROUGH_IMMUTABLE_POINTER, // tidy-alphabetical-end ] @@ -2093,47 +2092,6 @@ declare_lint! { "detects labels that are never used" } -declare_lint! { - /// The `where_clauses_object_safety` lint detects for [object safety] of - /// [where clauses]. - /// - /// [object safety]: https://doc.rust-lang.org/reference/items/traits.html#object-safety - /// [where clauses]: https://doc.rust-lang.org/reference/items/generics.html#where-clauses - /// - /// ### Example - /// - /// ```rust,no_run - /// trait Trait {} - /// - /// trait X { fn foo(&self) where Self: Trait; } - /// - /// impl X for () { fn foo(&self) {} } - /// - /// impl Trait for dyn X {} - /// - /// // Segfault at opt-level 0, SIGILL otherwise. - /// pub fn main() { ::foo(&()); } - /// ``` - /// - /// {{produces}} - /// - /// ### Explanation - /// - /// The compiler previously allowed these object-unsafe bounds, which was - /// incorrect. This is a [future-incompatible] lint to transition this to - /// a hard error in the future. See [issue #51443] for more details. - /// - /// [issue #51443]: https://github.com/rust-lang/rust/issues/51443 - /// [future-incompatible]: ../index.md#future-incompatible-lints - pub WHERE_CLAUSES_OBJECT_SAFETY, - Warn, - "checks the object safety of where clauses", - @future_incompatible = FutureIncompatibleInfo { - reason: FutureIncompatibilityReason::FutureReleaseErrorDontReportInDeps, - reference: "issue #51443 ", - }; -} - declare_lint! { /// The `proc_macro_derive_resolution_fallback` lint detects proc macro /// derives using inaccessible names from parent modules. diff --git a/compiler/rustc_trait_selection/src/traits/object_safety.rs b/compiler/rustc_trait_selection/src/traits/object_safety.rs index 0f32b6ef9e39..201f71b079b5 100644 --- a/compiler/rustc_trait_selection/src/traits/object_safety.rs +++ b/compiler/rustc_trait_selection/src/traits/object_safety.rs @@ -13,7 +13,7 @@ use super::elaborate; use crate::infer::TyCtxtInferExt; use crate::traits::query::evaluate_obligation::InferCtxtExt; use crate::traits::{self, Obligation, ObligationCause}; -use rustc_errors::{FatalError, MultiSpan}; +use rustc_errors::FatalError; use rustc_hir as hir; use rustc_hir::def_id::DefId; use rustc_middle::query::Providers; @@ -23,7 +23,6 @@ use rustc_middle::ty::{ }; use rustc_middle::ty::{GenericArg, GenericArgs}; use rustc_middle::ty::{TypeVisitableExt, Upcast}; -use rustc_session::lint::builtin::WHERE_CLAUSES_OBJECT_SAFETY; use rustc_span::symbol::Symbol; use rustc_span::Span; use rustc_target::abi::Abi; @@ -66,44 +65,13 @@ fn object_safety_violations(tcx: TyCtxt<'_>, trait_def_id: DefId) -> &'_ [Object } fn check_is_object_safe(tcx: TyCtxt<'_>, trait_def_id: DefId) -> bool { - let violations = tcx.object_safety_violations(trait_def_id); - - if violations.is_empty() { - return true; - } - - // If the trait contains any other violations, then let the error reporting path - // report it instead of emitting a warning here. - if violations.iter().all(|violation| { - matches!( - violation, - ObjectSafetyViolation::Method(_, MethodViolationCode::WhereClauseReferencesSelf, _) - ) - }) { - for violation in violations { - if let ObjectSafetyViolation::Method( - _, - MethodViolationCode::WhereClauseReferencesSelf, - span, - ) = violation - { - lint_object_unsafe_trait(tcx, *span, trait_def_id, violation); - } - } - return true; - } - - false + tcx.object_safety_violations(trait_def_id).is_empty() } /// We say a method is *vtable safe* if it can be invoked on a trait /// object. Note that object-safe traits can have some /// non-vtable-safe methods, so long as they require `Self: Sized` or /// otherwise ensure that they cannot be used when `Self = Trait`. -/// -/// [`MethodViolationCode::WhereClauseReferencesSelf`] is considered object safe due to backwards -/// compatibility, see and -/// [`WHERE_CLAUSES_OBJECT_SAFETY`]. pub fn is_vtable_safe_method(tcx: TyCtxt<'_>, trait_def_id: DefId, method: ty::AssocItem) -> bool { debug_assert!(tcx.generics_of(trait_def_id).has_self); debug!("is_vtable_safe_method({:?}, {:?})", trait_def_id, method); @@ -112,9 +80,7 @@ pub fn is_vtable_safe_method(tcx: TyCtxt<'_>, trait_def_id: DefId, method: ty::A return false; } - virtual_call_violations_for_method(tcx, trait_def_id, method) - .iter() - .all(|v| matches!(v, MethodViolationCode::WhereClauseReferencesSelf)) + virtual_call_violations_for_method(tcx, trait_def_id, method).is_empty() } fn object_safety_violations_for_trait( @@ -163,47 +129,6 @@ fn object_safety_violations_for_trait( violations } -/// Lint object-unsafe trait. -fn lint_object_unsafe_trait( - tcx: TyCtxt<'_>, - span: Span, - trait_def_id: DefId, - violation: &ObjectSafetyViolation, -) { - // Using `CRATE_NODE_ID` is wrong, but it's hard to get a more precise id. - // It's also hard to get a use site span, so we use the method definition span. - tcx.node_span_lint(WHERE_CLAUSES_OBJECT_SAFETY, hir::CRATE_HIR_ID, span, |err| { - err.primary_message(format!( - "the trait `{}` cannot be made into an object", - tcx.def_path_str(trait_def_id) - )); - let node = tcx.hir().get_if_local(trait_def_id); - let mut spans = MultiSpan::from_span(span); - if let Some(hir::Node::Item(item)) = node { - spans.push_span_label(item.ident.span, "this trait cannot be made into an object..."); - spans.push_span_label(span, format!("...because {}", violation.error_msg())); - } else { - spans.push_span_label( - span, - format!( - "the trait cannot be made into an object because {}", - violation.error_msg() - ), - ); - }; - err.span_note( - spans, - "for a trait to be \"object safe\" it needs to allow building a vtable to allow the \ - call to be resolvable dynamically; for more information visit \ - ", - ); - if node.is_some() { - // Only provide the help if its a local trait, otherwise it's not - violation.solution().add_to(err); - } - }); -} - fn sized_trait_bound_spans<'tcx>( tcx: TyCtxt<'tcx>, bounds: hir::GenericBounds<'tcx>, diff --git a/src/tools/miri/tests/fail/issue-miri-2432.rs b/src/tools/miri/tests/fail/issue-miri-2432.rs deleted file mode 100644 index f822479c4368..000000000000 --- a/src/tools/miri/tests/fail/issue-miri-2432.rs +++ /dev/null @@ -1,19 +0,0 @@ -#![allow(where_clauses_object_safety)] - -trait Trait {} - -trait X { - fn foo(&self) - where - Self: Trait; -} - -impl X for () { - fn foo(&self) {} -} - -impl Trait for dyn X {} - -pub fn main() { - ::foo(&()); //~ERROR: trying to call something that is not a method -} diff --git a/src/tools/miri/tests/fail/issue-miri-2432.stderr b/src/tools/miri/tests/fail/issue-miri-2432.stderr deleted file mode 100644 index 3befe31dc5a0..000000000000 --- a/src/tools/miri/tests/fail/issue-miri-2432.stderr +++ /dev/null @@ -1,15 +0,0 @@ -error: Undefined Behavior: `dyn` call trying to call something that is not a method - --> $DIR/issue-miri-2432.rs:LL:CC - | -LL | ::foo(&()); - | ^^^^^^^^^^^^^^^^^^^^^^ `dyn` call trying to call something that is not a method - | - = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior - = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information - = note: BACKTRACE: - = note: inside `main` at $DIR/issue-miri-2432.rs:LL:CC - -note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace - -error: aborting due to 1 previous error - diff --git a/tests/ui/const-generics/generic_const_exprs/object-safety-err-where-bounds.rs b/tests/ui/const-generics/generic_const_exprs/object-safety-err-where-bounds.rs index 42c1cc507b5c..b3bbb8426386 100644 --- a/tests/ui/const-generics/generic_const_exprs/object-safety-err-where-bounds.rs +++ b/tests/ui/const-generics/generic_const_exprs/object-safety-err-where-bounds.rs @@ -1,14 +1,11 @@ #![feature(generic_const_exprs)] #![allow(incomplete_features)] -#![deny(where_clauses_object_safety)] const fn bar() -> usize { 7 } trait Foo { fn test(&self) where [u8; bar::()]: Sized; - //~^ ERROR the trait `Foo` cannot be made into an object - //~| WARN this was previously accepted by the compiler but is being phased out } impl Foo for () { @@ -16,7 +13,9 @@ impl Foo for () { } fn use_dyn(v: &dyn Foo) { + //~^ ERROR the trait `Foo` cannot be made into an object v.test(); + //~^ ERROR the trait `Foo` cannot be made into an object } fn main() {} diff --git a/tests/ui/const-generics/generic_const_exprs/object-safety-err-where-bounds.stderr b/tests/ui/const-generics/generic_const_exprs/object-safety-err-where-bounds.stderr index 9e480ce9b856..fde5d3ce7725 100644 --- a/tests/ui/const-generics/generic_const_exprs/object-safety-err-where-bounds.stderr +++ b/tests/ui/const-generics/generic_const_exprs/object-safety-err-where-bounds.stderr @@ -1,24 +1,35 @@ -error: the trait `Foo` cannot be made into an object - --> $DIR/object-safety-err-where-bounds.rs:9:8 +error[E0038]: the trait `Foo` cannot be made into an object + --> $DIR/object-safety-err-where-bounds.rs:15:16 | -LL | fn test(&self) where [u8; bar::()]: Sized; - | ^^^^ +LL | fn use_dyn(v: &dyn Foo) { + | ^^^^^^^ `Foo` cannot be made into an object | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #51443 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit - --> $DIR/object-safety-err-where-bounds.rs:9:8 + --> $DIR/object-safety-err-where-bounds.rs:8:8 | LL | trait Foo { | --- this trait cannot be made into an object... LL | fn test(&self) where [u8; bar::()]: Sized; | ^^^^ ...because method `test` references the `Self` type in its `where` clause = help: consider moving `test` to another trait -note: the lint level is defined here - --> $DIR/object-safety-err-where-bounds.rs:3:9 + = help: only type `()` implements the trait, consider using it directly instead + +error[E0038]: the trait `Foo` cannot be made into an object + --> $DIR/object-safety-err-where-bounds.rs:17:5 | -LL | #![deny(where_clauses_object_safety)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | v.test(); + | ^^^^^^^^ `Foo` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit + --> $DIR/object-safety-err-where-bounds.rs:8:8 + | +LL | trait Foo { + | --- this trait cannot be made into an object... +LL | fn test(&self) where [u8; bar::()]: Sized; + | ^^^^ ...because method `test` references the `Self` type in its `where` clause + = help: consider moving `test` to another trait + = help: only type `()` implements the trait, consider using it directly instead -error: aborting due to 1 previous error +error: aborting due to 2 previous errors +For more information about this error, try `rustc --explain E0038`. diff --git a/tests/ui/issues/issue-50781.rs b/tests/ui/issues/issue-50781.rs index 3c5e5a9f69af..32253c3c2360 100644 --- a/tests/ui/issues/issue-50781.rs +++ b/tests/ui/issues/issue-50781.rs @@ -1,10 +1,7 @@ -#![deny(where_clauses_object_safety)] - trait Trait {} trait X { - fn foo(&self) where Self: Trait; //~ ERROR the trait `X` cannot be made into an object - //~^ WARN this was previously accepted by the compiler but is being phased out + fn foo(&self) where Self: Trait; } impl X for () { @@ -12,8 +9,11 @@ impl X for () { } impl Trait for dyn X {} +//~^ ERROR the trait `X` cannot be made into an object pub fn main() { // Check that this does not segfault. ::foo(&()); + //~^ ERROR the trait `X` cannot be made into an object + //~| ERROR the trait `X` cannot be made into an object } diff --git a/tests/ui/issues/issue-50781.stderr b/tests/ui/issues/issue-50781.stderr index beaea1e634ce..6b0b42ca53a6 100644 --- a/tests/ui/issues/issue-50781.stderr +++ b/tests/ui/issues/issue-50781.stderr @@ -1,24 +1,52 @@ -error: the trait `X` cannot be made into an object - --> $DIR/issue-50781.rs:6:8 +error[E0038]: the trait `X` cannot be made into an object + --> $DIR/issue-50781.rs:11:16 | -LL | fn foo(&self) where Self: Trait; - | ^^^ +LL | impl Trait for dyn X {} + | ^^^^^ `X` cannot be made into an object | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #51443 note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit - --> $DIR/issue-50781.rs:6:8 + --> $DIR/issue-50781.rs:4:8 | LL | trait X { | - this trait cannot be made into an object... LL | fn foo(&self) where Self: Trait; | ^^^ ...because method `foo` references the `Self` type in its `where` clause = help: consider moving `foo` to another trait -note: the lint level is defined here - --> $DIR/issue-50781.rs:1:9 + = help: only type `()` implements the trait, consider using it directly instead + +error[E0038]: the trait `X` cannot be made into an object + --> $DIR/issue-50781.rs:16:23 | -LL | #![deny(where_clauses_object_safety)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | ::foo(&()); + | ^^^ `X` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit + --> $DIR/issue-50781.rs:4:8 + | +LL | trait X { + | - this trait cannot be made into an object... +LL | fn foo(&self) where Self: Trait; + | ^^^ ...because method `foo` references the `Self` type in its `where` clause + = help: consider moving `foo` to another trait + = help: only type `()` implements the trait, consider using it directly instead + = note: required for the cast from `&()` to `&dyn X` -error: aborting due to 1 previous error +error[E0038]: the trait `X` cannot be made into an object + --> $DIR/issue-50781.rs:16:6 + | +LL | ::foo(&()); + | ^^^^^ `X` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit + --> $DIR/issue-50781.rs:4:8 + | +LL | trait X { + | - this trait cannot be made into an object... +LL | fn foo(&self) where Self: Trait; + | ^^^ ...because method `foo` references the `Self` type in its `where` clause + = help: consider moving `foo` to another trait + = help: only type `()` implements the trait, consider using it directly instead +error: aborting due to 3 previous errors + +For more information about this error, try `rustc --explain E0038`. diff --git a/tests/ui/object-safety/issue-106247.rs b/tests/ui/object-safety/issue-106247.rs index 78bae5681619..20a451a59a16 100644 --- a/tests/ui/object-safety/issue-106247.rs +++ b/tests/ui/object-safety/issue-106247.rs @@ -1,7 +1,5 @@ //@ check-pass -#![deny(where_clauses_object_safety)] - pub trait Trait { fn method(&self) where Self: Sync; } diff --git a/tests/ui/traits/vtable/vtable-vacant.rs b/tests/ui/traits/vtable/vtable-vacant.rs index 26de3f606210..b3c768157036 100644 --- a/tests/ui/traits/vtable/vtable-vacant.rs +++ b/tests/ui/traits/vtable/vtable-vacant.rs @@ -1,7 +1,6 @@ //@ build-fail #![feature(rustc_attrs)] #![feature(negative_impls)] -#![allow(where_clauses_object_safety)] // B --> A diff --git a/tests/ui/traits/vtable/vtable-vacant.stderr b/tests/ui/traits/vtable/vtable-vacant.stderr index 9ce1d0b76328..f6961ca010ed 100644 --- a/tests/ui/traits/vtable/vtable-vacant.stderr +++ b/tests/ui/traits/vtable/vtable-vacant.stderr @@ -7,7 +7,7 @@ error: vtable entries for ``: [ Method(::foo_b1), Vacant, ] - --> $DIR/vtable-vacant.rs:15:1 + --> $DIR/vtable-vacant.rs:14:1 | LL | trait B: A { | ^^^^^^^^^^ diff --git a/tests/ui/where-clauses/self-in-where-clause-allowed.rs b/tests/ui/where-clauses/self-in-where-clause-allowed.rs index fd2cfe2bf65e..a4c2d82b4837 100644 --- a/tests/ui/where-clauses/self-in-where-clause-allowed.rs +++ b/tests/ui/where-clauses/self-in-where-clause-allowed.rs @@ -1,7 +1,6 @@ //@ check-fail #![feature(auto_traits)] -#![deny(where_clauses_object_safety)] auto trait AutoTrait {} diff --git a/tests/ui/where-clauses/self-in-where-clause-allowed.stderr b/tests/ui/where-clauses/self-in-where-clause-allowed.stderr index 7f92ac102f01..5d23c4bee00f 100644 --- a/tests/ui/where-clauses/self-in-where-clause-allowed.stderr +++ b/tests/ui/where-clauses/self-in-where-clause-allowed.stderr @@ -1,11 +1,11 @@ error[E0277]: the trait bound `dyn Trait: AutoTrait` is not satisfied - --> $DIR/self-in-where-clause-allowed.rs:22:18 + --> $DIR/self-in-where-clause-allowed.rs:21:18 | LL | trait_object.autotrait_bound(); | ^^^^^^^^^^^^^^^ the trait `AutoTrait` is not implemented for `dyn Trait` | note: required by a bound in `Trait::autotrait_bound` - --> $DIR/self-in-where-clause-allowed.rs:13:43 + --> $DIR/self-in-where-clause-allowed.rs:12:43 | LL | fn autotrait_bound(&self) where Self: AutoTrait {} | ^^^^^^^^^ required by this bound in `Trait::autotrait_bound` From 511f1cf7c8e96c2350dac7b4870e92c99ee08b92 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Tue, 21 May 2024 14:39:30 -0400 Subject: [PATCH 0906/1716] check_is_object_safe -> is_object_safe --- compiler/rustc_hir_analysis/src/check/wfcheck.rs | 2 +- compiler/rustc_hir_analysis/src/coherence/mod.rs | 2 +- compiler/rustc_hir_analysis/src/hir_ty_lowering/lint.rs | 2 +- compiler/rustc_interface/src/passes.rs | 2 +- compiler/rustc_lint/src/multiple_supertrait_upcastable.rs | 4 ++-- compiler/rustc_middle/src/query/mod.rs | 2 +- .../src/cfi/typeid/itanium_cxx_abi/transform.rs | 2 +- compiler/rustc_trait_selection/src/solve/assembly/mod.rs | 2 +- compiler/rustc_trait_selection/src/solve/mod.rs | 2 +- compiler/rustc_trait_selection/src/solve/trait_goals.rs | 2 +- compiler/rustc_trait_selection/src/traits/fulfill.rs | 2 +- compiler/rustc_trait_selection/src/traits/object_safety.rs | 4 ++-- .../src/traits/select/candidate_assembly.rs | 2 +- .../rustc_trait_selection/src/traits/select/confirmation.rs | 2 +- compiler/rustc_trait_selection/src/traits/select/mod.rs | 2 +- src/librustdoc/clean/types.rs | 2 +- 16 files changed, 18 insertions(+), 18 deletions(-) diff --git a/compiler/rustc_hir_analysis/src/check/wfcheck.rs b/compiler/rustc_hir_analysis/src/check/wfcheck.rs index 81e3d8c7ece2..68304e683248 100644 --- a/compiler/rustc_hir_analysis/src/check/wfcheck.rs +++ b/compiler/rustc_hir_analysis/src/check/wfcheck.rs @@ -881,7 +881,7 @@ fn check_object_unsafe_self_trait_by_name(tcx: TyCtxt<'_>, item: &hir::TraitItem _ => {} } if !trait_should_be_self.is_empty() { - if tcx.check_is_object_safe(trait_def_id) { + if tcx.is_object_safe(trait_def_id) { return; } let sugg = trait_should_be_self.iter().map(|span| (*span, "Self".to_string())).collect(); diff --git a/compiler/rustc_hir_analysis/src/coherence/mod.rs b/compiler/rustc_hir_analysis/src/coherence/mod.rs index 480318acca8e..eae41d28e897 100644 --- a/compiler/rustc_hir_analysis/src/coherence/mod.rs +++ b/compiler/rustc_hir_analysis/src/coherence/mod.rs @@ -191,7 +191,7 @@ fn check_object_overlap<'tcx>( }); for component_def_id in component_def_ids { - if !tcx.check_is_object_safe(component_def_id) { + if !tcx.is_object_safe(component_def_id) { // Without the 'object_safe_for_dispatch' feature this is an error // which will be reported by wfcheck. Ignore it here. // This is tested by `coherence-impl-trait-for-trait-object-safe.rs`. diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/lint.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/lint.rs index b4305f6efb9a..240a749de96a 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/lint.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/lint.rs @@ -182,7 +182,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { // For recursive traits, don't downgrade the error. (#119652) is_downgradable = false; } - tcx.check_is_object_safe(id) + tcx.is_object_safe(id) } _ => false, }) diff --git a/compiler/rustc_interface/src/passes.rs b/compiler/rustc_interface/src/passes.rs index 33995f80162e..b678582766d5 100644 --- a/compiler/rustc_interface/src/passes.rs +++ b/compiler/rustc_interface/src/passes.rs @@ -832,7 +832,7 @@ fn analysis(tcx: TyCtxt<'_>, (): ()) -> Result<()> { let traits = tcx.traits(LOCAL_CRATE); for &tr in traits { - if !tcx.check_is_object_safe(tr) { + if !tcx.is_object_safe(tr) { continue; } diff --git a/compiler/rustc_lint/src/multiple_supertrait_upcastable.rs b/compiler/rustc_lint/src/multiple_supertrait_upcastable.rs index 48d140c6b7f3..aa1d94228ea2 100644 --- a/compiler/rustc_lint/src/multiple_supertrait_upcastable.rs +++ b/compiler/rustc_lint/src/multiple_supertrait_upcastable.rs @@ -38,10 +38,10 @@ declare_lint_pass!(MultipleSupertraitUpcastable => [MULTIPLE_SUPERTRAIT_UPCASTAB impl<'tcx> LateLintPass<'tcx> for MultipleSupertraitUpcastable { fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx hir::Item<'tcx>) { let def_id = item.owner_id.to_def_id(); - // NOTE(nbdd0121): use `object_safety_violations` instead of `check_is_object_safe` because + // NOTE(nbdd0121): use `object_safety_violations` instead of `is_object_safe` because // the latter will report `where_clause_object_safety` lint. if let hir::ItemKind::Trait(_, _, _, _, _) = item.kind - && cx.tcx.object_safety_violations(def_id).is_empty() + && cx.tcx.is_object_safe(def_id) { let direct_super_traits_iter = cx .tcx diff --git a/compiler/rustc_middle/src/query/mod.rs b/compiler/rustc_middle/src/query/mod.rs index d72ad09f9548..3c4aae73bc49 100644 --- a/compiler/rustc_middle/src/query/mod.rs +++ b/compiler/rustc_middle/src/query/mod.rs @@ -1309,7 +1309,7 @@ rustc_queries! { query object_safety_violations(trait_id: DefId) -> &'tcx [ObjectSafetyViolation] { desc { |tcx| "determining object safety of trait `{}`", tcx.def_path_str(trait_id) } } - query check_is_object_safe(trait_id: DefId) -> bool { + query is_object_safe(trait_id: DefId) -> bool { desc { |tcx| "checking if trait `{}` is object safe", tcx.def_path_str(trait_id) } } diff --git a/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/transform.rs b/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/transform.rs index 62eb07e82871..2fbfb93150e7 100644 --- a/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/transform.rs +++ b/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/transform.rs @@ -367,7 +367,7 @@ pub fn transform_instance<'tcx>( let trait_method = tcx.associated_item(method_id); let trait_id = trait_ref.skip_binder().def_id; if traits::is_vtable_safe_method(tcx, trait_id, trait_method) - && tcx.object_safety_violations(trait_id).is_empty() + && tcx.is_object_safe(trait_id) { // Trait methods will have a Self polymorphic parameter, where the concreteized // implementatation will not. We need to walk back to the more general trait method diff --git a/compiler/rustc_trait_selection/src/solve/assembly/mod.rs b/compiler/rustc_trait_selection/src/solve/assembly/mod.rs index aae6fa9f635b..b51efd339c4d 100644 --- a/compiler/rustc_trait_selection/src/solve/assembly/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/assembly/mod.rs @@ -714,7 +714,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { }; // Do not consider built-in object impls for non-object-safe types. - if bounds.principal_def_id().is_some_and(|def_id| !tcx.check_is_object_safe(def_id)) { + if bounds.principal_def_id().is_some_and(|def_id| !tcx.is_object_safe(def_id)) { return; } diff --git a/compiler/rustc_trait_selection/src/solve/mod.rs b/compiler/rustc_trait_selection/src/solve/mod.rs index f9febd290fe7..b0edbf3cbef8 100644 --- a/compiler/rustc_trait_selection/src/solve/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/mod.rs @@ -133,7 +133,7 @@ impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { } fn compute_object_safe_goal(&mut self, trait_def_id: DefId) -> QueryResult<'tcx> { - if self.interner().check_is_object_safe(trait_def_id) { + if self.interner().is_object_safe(trait_def_id) { self.evaluate_added_goals_and_make_canonical_response(Certainty::Yes) } else { Err(NoSolution) diff --git a/compiler/rustc_trait_selection/src/solve/trait_goals.rs b/compiler/rustc_trait_selection/src/solve/trait_goals.rs index e93d5c96b880..a741f488901e 100644 --- a/compiler/rustc_trait_selection/src/solve/trait_goals.rs +++ b/compiler/rustc_trait_selection/src/solve/trait_goals.rs @@ -789,7 +789,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { let Goal { predicate: (a_ty, _), .. } = goal; // Can only unsize to an object-safe trait. - if b_data.principal_def_id().is_some_and(|def_id| !tcx.check_is_object_safe(def_id)) { + if b_data.principal_def_id().is_some_and(|def_id| !tcx.is_object_safe(def_id)) { return Err(NoSolution); } diff --git a/compiler/rustc_trait_selection/src/traits/fulfill.rs b/compiler/rustc_trait_selection/src/traits/fulfill.rs index e1afc2a35293..12aef87cb66f 100644 --- a/compiler/rustc_trait_selection/src/traits/fulfill.rs +++ b/compiler/rustc_trait_selection/src/traits/fulfill.rs @@ -411,7 +411,7 @@ impl<'a, 'tcx> ObligationProcessor for FulfillProcessor<'a, 'tcx> { } ty::PredicateKind::ObjectSafe(trait_def_id) => { - if !self.selcx.tcx().check_is_object_safe(trait_def_id) { + if !self.selcx.tcx().is_object_safe(trait_def_id) { ProcessResult::Error(FulfillmentErrorCode::Select(Unimplemented)) } else { ProcessResult::Changed(vec![]) diff --git a/compiler/rustc_trait_selection/src/traits/object_safety.rs b/compiler/rustc_trait_selection/src/traits/object_safety.rs index 201f71b079b5..08355ef55c49 100644 --- a/compiler/rustc_trait_selection/src/traits/object_safety.rs +++ b/compiler/rustc_trait_selection/src/traits/object_safety.rs @@ -64,7 +64,7 @@ fn object_safety_violations(tcx: TyCtxt<'_>, trait_def_id: DefId) -> &'_ [Object ) } -fn check_is_object_safe(tcx: TyCtxt<'_>, trait_def_id: DefId) -> bool { +fn is_object_safe(tcx: TyCtxt<'_>, trait_def_id: DefId) -> bool { tcx.object_safety_violations(trait_def_id).is_empty() } @@ -854,7 +854,7 @@ pub fn contains_illegal_impl_trait_in_trait<'tcx>( pub fn provide(providers: &mut Providers) { *providers = Providers { object_safety_violations, - check_is_object_safe, + is_object_safe, generics_require_sized_self, ..*providers }; diff --git a/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs b/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs index d513a5d2996c..bb44be7799be 100644 --- a/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs +++ b/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs @@ -870,7 +870,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { if let Some(principal) = data.principal() { if !self.infcx.tcx.features().object_safe_for_dispatch { principal.with_self_ty(self.tcx(), self_ty) - } else if self.tcx().check_is_object_safe(principal.def_id()) { + } else if self.tcx().is_object_safe(principal.def_id()) { principal.with_self_ty(self.tcx(), self_ty) } else { return; diff --git a/compiler/rustc_trait_selection/src/traits/select/confirmation.rs b/compiler/rustc_trait_selection/src/traits/select/confirmation.rs index c684f087d321..ef0d8735d35f 100644 --- a/compiler/rustc_trait_selection/src/traits/select/confirmation.rs +++ b/compiler/rustc_trait_selection/src/traits/select/confirmation.rs @@ -1222,7 +1222,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { // `T` -> `Trait` (_, &ty::Dynamic(data, r, ty::Dyn)) => { let mut object_dids = data.auto_traits().chain(data.principal_def_id()); - if let Some(did) = object_dids.find(|did| !tcx.check_is_object_safe(*did)) { + if let Some(did) = object_dids.find(|did| !tcx.is_object_safe(*did)) { return Err(TraitNotObjectSafe(did)); } diff --git a/compiler/rustc_trait_selection/src/traits/select/mod.rs b/compiler/rustc_trait_selection/src/traits/select/mod.rs index dcb0875639fc..2489b8916d18 100644 --- a/compiler/rustc_trait_selection/src/traits/select/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/select/mod.rs @@ -798,7 +798,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { } ty::PredicateKind::ObjectSafe(trait_def_id) => { - if self.tcx().check_is_object_safe(trait_def_id) { + if self.tcx().is_object_safe(trait_def_id) { Ok(EvaluatedToOk) } else { Ok(EvaluatedToErr) diff --git a/src/librustdoc/clean/types.rs b/src/librustdoc/clean/types.rs index 3f84da310ddc..b387809cc717 100644 --- a/src/librustdoc/clean/types.rs +++ b/src/librustdoc/clean/types.rs @@ -1451,7 +1451,7 @@ impl Trait { tcx.trait_def(self.def_id).safety } pub(crate) fn is_object_safe(&self, tcx: TyCtxt<'_>) -> bool { - tcx.check_is_object_safe(self.def_id) + tcx.is_object_safe(self.def_id) } } From a41c44f21c1a6fd96eb8d68fbdb298610443cff5 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Mon, 3 Jun 2024 09:27:48 -0400 Subject: [PATCH 0907/1716] Nits and formatting --- .../src/type_check/constraint_conversion.rs | 6 +-- .../src/check/compare_impl_item.rs | 11 ++---- .../src/coherence/orphan.rs | 18 ++++----- .../src/infer/canonical/query_response.rs | 10 ++--- compiler/rustc_infer/src/infer/mod.rs | 5 +-- compiler/rustc_infer/src/traits/engine.rs | 33 ++++++++++++++--- compiler/rustc_infer/src/traits/mod.rs | 2 +- compiler/rustc_macros/src/extension.rs | 9 +++-- .../src/solve/fulfill.rs | 13 ++++--- .../src/solve/inspect/analyse.rs | 1 - .../src/solve/normalize.rs | 36 +++++++++--------- .../src/traits/engine.rs | 32 ++++++++-------- .../src/traits/fulfill.rs | 34 +++++++++++------ .../rustc_trait_selection/src/traits/mod.rs | 37 ------------------- .../src/traits/normalize.rs | 11 +++--- .../query/type_op/implied_outlives_bounds.rs | 10 ++--- .../src/traits/structural_normalize.rs | 4 +- 17 files changed, 130 insertions(+), 142 deletions(-) diff --git a/compiler/rustc_borrowck/src/type_check/constraint_conversion.rs b/compiler/rustc_borrowck/src/type_check/constraint_conversion.rs index 266a80187c54..0cb4b15b1271 100644 --- a/compiler/rustc_borrowck/src/type_check/constraint_conversion.rs +++ b/compiler/rustc_borrowck/src/type_check/constraint_conversion.rs @@ -10,7 +10,6 @@ use rustc_middle::traits::query::NoSolution; use rustc_middle::traits::ObligationCause; use rustc_middle::ty::{self, GenericArgKind, Ty, TyCtxt, TypeFoldable, TypeVisitableExt}; use rustc_span::Span; -use rustc_trait_selection::solve::deeply_normalize; use rustc_trait_selection::traits::query::type_op::custom::CustomTypeOp; use rustc_trait_selection::traits::query::type_op::{TypeOp, TypeOpOutput}; use rustc_trait_selection::traits::ScrubbedTraitError; @@ -283,8 +282,9 @@ impl<'a, 'tcx> ConstraintConversion<'a, 'tcx> { ) -> Ty<'tcx> { let result = CustomTypeOp::new( |ocx| { - deeply_normalize( - ocx.infcx.at(&ObligationCause::dummy_with_span(self.span), self.param_env), + ocx.deeply_normalize( + &ObligationCause::dummy_with_span(self.span), + self.param_env, ty, ) .map_err(|_: Vec>| NoSolution) diff --git a/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs b/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs index 594d28eda7ac..f7bebc2697d7 100644 --- a/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs +++ b/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs @@ -10,7 +10,7 @@ use rustc_hir::intravisit; use rustc_hir::{GenericParamKind, ImplItemKind}; use rustc_infer::infer::outlives::env::OutlivesEnvironment; use rustc_infer::infer::{self, InferCtxt, TyCtxtInferExt}; -use rustc_infer::traits::{util, FulfillmentErrorLike}; +use rustc_infer::traits::util; use rustc_middle::ty::error::{ExpectedFound, TypeError}; use rustc_middle::ty::fold::BottomUpFolder; use rustc_middle::ty::util::ExplicitSelf; @@ -764,10 +764,7 @@ pub(super) fn collect_return_position_impl_trait_in_trait_tys<'tcx>( Ok(&*tcx.arena.alloc(remapped_types)) } -struct ImplTraitInTraitCollector<'a, 'tcx, E> -where - E: FulfillmentErrorLike<'tcx>, -{ +struct ImplTraitInTraitCollector<'a, 'tcx, E> { ocx: &'a ObligationCtxt<'a, 'tcx, E>, types: FxIndexMap, ty::GenericArgsRef<'tcx>)>, span: Span, @@ -777,7 +774,7 @@ where impl<'a, 'tcx, E> ImplTraitInTraitCollector<'a, 'tcx, E> where - E: FulfillmentErrorLike<'tcx>, + E: 'tcx, { fn new( ocx: &'a ObligationCtxt<'a, 'tcx, E>, @@ -791,7 +788,7 @@ where impl<'tcx, E> TypeFolder> for ImplTraitInTraitCollector<'_, 'tcx, E> where - E: FulfillmentErrorLike<'tcx>, + E: 'tcx, { fn interner(&self) -> TyCtxt<'tcx> { self.ocx.infcx.tcx diff --git a/compiler/rustc_hir_analysis/src/coherence/orphan.rs b/compiler/rustc_hir_analysis/src/coherence/orphan.rs index 1e7bb63e6ea4..61ac4af01519 100644 --- a/compiler/rustc_hir_analysis/src/coherence/orphan.rs +++ b/compiler/rustc_hir_analysis/src/coherence/orphan.rs @@ -12,11 +12,8 @@ use rustc_middle::ty::{TypeFoldable, TypeFolder, TypeSuperFoldable}; use rustc_middle::ty::{TypeSuperVisitable, TypeVisitable, TypeVisitableExt, TypeVisitor}; use rustc_middle::{bug, span_bug}; use rustc_span::def_id::{DefId, LocalDefId}; -use rustc_trait_selection::traits::{ - self, IsFirstInputType, ScrubbedTraitError, UncoveredTyParams, -}; +use rustc_trait_selection::traits::{self, IsFirstInputType, UncoveredTyParams}; use rustc_trait_selection::traits::{OrphanCheckErr, OrphanCheckMode}; -use rustc_trait_selection::traits::{StructurallyNormalizeExt, TraitEngineExt}; #[instrument(level = "debug", skip(tcx))] pub(crate) fn orphan_check_impl( @@ -319,13 +316,12 @@ fn orphan_check<'tcx>( } let ty = if infcx.next_trait_solver() { - let mut fulfill_cx = - >>::new(&infcx); - infcx - .at(&cause, ty::ParamEnv::empty()) - .structurally_normalize(ty, &mut *fulfill_cx) - .map(|ty| infcx.resolve_vars_if_possible(ty)) - .unwrap_or(ty) + ocx.structurally_normalize( + &cause, + ty::ParamEnv::empty(), + infcx.resolve_vars_if_possible(ty), + ) + .unwrap_or(ty) } else { ty }; diff --git a/compiler/rustc_infer/src/infer/canonical/query_response.rs b/compiler/rustc_infer/src/infer/canonical/query_response.rs index 4917f936f4e1..d7dd6a1e7cf5 100644 --- a/compiler/rustc_infer/src/infer/canonical/query_response.rs +++ b/compiler/rustc_infer/src/infer/canonical/query_response.rs @@ -15,8 +15,8 @@ use crate::infer::canonical::{ use crate::infer::region_constraints::{Constraint, RegionConstraintData}; use crate::infer::{DefineOpaqueTypes, InferCtxt, InferOk, InferResult}; use crate::traits::query::NoSolution; -use crate::traits::{FulfillmentErrorLike, TraitEngine}; use crate::traits::{Obligation, ObligationCause, PredicateObligation}; +use crate::traits::{ScrubbedTraitError, TraitEngine}; use rustc_data_structures::captures::Captures; use rustc_index::Idx; use rustc_index::IndexVec; @@ -50,11 +50,11 @@ impl<'tcx> InferCtxt<'tcx> { /// - Finally, if any of the obligations result in a hard error, /// then `Err(NoSolution)` is returned. #[instrument(skip(self, inference_vars, answer, fulfill_cx), level = "trace")] - pub fn make_canonicalized_query_response>( + pub fn make_canonicalized_query_response( &self, inference_vars: CanonicalVarValues<'tcx>, answer: T, - fulfill_cx: &mut dyn TraitEngine<'tcx, E>, + fulfill_cx: &mut dyn TraitEngine<'tcx, ScrubbedTraitError<'tcx>>, ) -> Result, NoSolution> where T: Debug + TypeFoldable>, @@ -97,11 +97,11 @@ impl<'tcx> InferCtxt<'tcx> { /// Helper for `make_canonicalized_query_response` that does /// everything up until the final canonicalization. #[instrument(skip(self, fulfill_cx), level = "debug")] - fn make_query_response>( + fn make_query_response( &self, inference_vars: CanonicalVarValues<'tcx>, answer: T, - fulfill_cx: &mut dyn TraitEngine<'tcx, E>, + fulfill_cx: &mut dyn TraitEngine<'tcx, ScrubbedTraitError<'tcx>>, ) -> Result, NoSolution> where T: Debug + TypeFoldable>, diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs index 5183d9e2d6eb..72c4e1b511e6 100644 --- a/compiler/rustc_infer/src/infer/mod.rs +++ b/compiler/rustc_infer/src/infer/mod.rs @@ -12,8 +12,7 @@ pub use SubregionOrigin::*; pub use ValuePairs::*; use crate::traits::{ - self, FulfillmentErrorLike, ObligationCause, ObligationInspector, PredicateObligations, - TraitEngine, + self, ObligationCause, ObligationInspector, PredicateObligations, TraitEngine, }; use error_reporting::TypeErrCtxt; use free_regions::RegionRelations; @@ -738,7 +737,7 @@ impl<'tcx> InferCtxtBuilder<'tcx> { impl<'tcx, T> InferOk<'tcx, T> { /// Extracts `value`, registering any obligations into `fulfill_cx`. - pub fn into_value_registering_obligations>( + pub fn into_value_registering_obligations( self, infcx: &InferCtxt<'tcx>, fulfill_cx: &mut dyn TraitEngine<'tcx, E>, diff --git a/compiler/rustc_infer/src/traits/engine.rs b/compiler/rustc_infer/src/traits/engine.rs index 1d6875d0f8ed..026b2c1b905e 100644 --- a/compiler/rustc_infer/src/traits/engine.rs +++ b/compiler/rustc_infer/src/traits/engine.rs @@ -7,7 +7,32 @@ use rustc_middle::ty::{self, Ty, Upcast}; use super::{ObligationCause, PredicateObligation}; -pub trait TraitEngine<'tcx, E: FulfillmentErrorLike<'tcx>>: 'tcx { +/// A trait error with most of its information removed. This is the error +/// returned by an `ObligationCtxt` by default, and suitable if you just +/// want to see if a predicate holds, and don't particularly care about the +/// error itself (except for if it's an ambiguity or true error). +/// +/// use `ObligationCtxt::new_with_diagnostics` to get a `FulfillmentError`. +#[derive(Clone, Debug)] +pub enum ScrubbedTraitError<'tcx> { + /// A real error. This goal definitely does not hold. + TrueError, + /// An ambiguity. This goal may hold if further inference is done. + Ambiguity, + /// An old-solver-style cycle error, which will fatal. + Cycle(Vec>), +} + +impl<'tcx> ScrubbedTraitError<'tcx> { + pub fn is_true_error(&self) -> bool { + match self { + ScrubbedTraitError::TrueError => true, + ScrubbedTraitError::Ambiguity | ScrubbedTraitError::Cycle(_) => false, + } + } +} + +pub trait TraitEngine<'tcx, E: 'tcx>: 'tcx { /// Requires that `ty` must implement the trait with `def_id` in /// the given environment. This trait must not have any type /// parameters (except for `Self`). @@ -73,10 +98,6 @@ pub trait TraitEngine<'tcx, E: FulfillmentErrorLike<'tcx>>: 'tcx { ) -> Vec>; } -pub trait FulfillmentErrorLike<'tcx>: Debug + 'tcx { - fn is_true_error(&self) -> bool; -} - -pub trait FromSolverError<'tcx, E>: FulfillmentErrorLike<'tcx> { +pub trait FromSolverError<'tcx, E>: Debug + 'tcx { fn from_solver_error(infcx: &InferCtxt<'tcx>, error: E) -> Self; } diff --git a/compiler/rustc_infer/src/traits/mod.rs b/compiler/rustc_infer/src/traits/mod.rs index e9c2d81aa0af..ca6c6570e072 100644 --- a/compiler/rustc_infer/src/traits/mod.rs +++ b/compiler/rustc_infer/src/traits/mod.rs @@ -22,7 +22,7 @@ pub use self::ImplSource::*; pub use self::SelectionError::*; use crate::infer::InferCtxt; -pub use self::engine::{FromSolverError, FulfillmentErrorLike, TraitEngine}; +pub use self::engine::{FromSolverError, ScrubbedTraitError, TraitEngine}; pub use self::project::MismatchedProjectionTypes; pub(crate) use self::project::UndoLog; pub use self::project::{ diff --git a/compiler/rustc_macros/src/extension.rs b/compiler/rustc_macros/src/extension.rs index 5377bbdfeabd..bbaa477237b1 100644 --- a/compiler/rustc_macros/src/extension.rs +++ b/compiler/rustc_macros/src/extension.rs @@ -6,6 +6,7 @@ use syn::spanned::Spanned; use syn::{ braced, parse_macro_input, Attribute, Generics, ImplItem, Pat, PatIdent, Path, Signature, Token, TraitItem, TraitItemConst, TraitItemFn, TraitItemMacro, TraitItemType, Type, Visibility, + WhereClause, }; pub(crate) fn extension( @@ -13,7 +14,7 @@ pub(crate) fn extension( input: proc_macro::TokenStream, ) -> proc_macro::TokenStream { let ExtensionAttr { vis, trait_ } = parse_macro_input!(attr as ExtensionAttr); - let Impl { attrs, generics, self_ty, items } = parse_macro_input!(input as Impl); + let Impl { attrs, generics, self_ty, items, wc } = parse_macro_input!(input as Impl); let headers: Vec<_> = items .iter() .map(|item| match item { @@ -59,7 +60,7 @@ pub(crate) fn extension( #(#headers)* } - impl #generics #trait_ for #self_ty { + impl #generics #trait_ for #self_ty #wc { #(#items)* } } @@ -133,6 +134,7 @@ struct Impl { generics: Generics, self_ty: Type, items: Vec, + wc: Option, } impl Parse for Impl { @@ -141,6 +143,7 @@ impl Parse for Impl { let _: Token![impl] = input.parse()?; let generics = input.parse()?; let self_ty = input.parse()?; + let wc = input.parse()?; let content; let _brace_token = braced!(content in input); @@ -149,6 +152,6 @@ impl Parse for Impl { items.push(content.parse()?); } - Ok(Impl { attrs, generics, self_ty, items }) + Ok(Impl { attrs, generics, self_ty, items, wc }) } } diff --git a/compiler/rustc_trait_selection/src/solve/fulfill.rs b/compiler/rustc_trait_selection/src/solve/fulfill.rs index 3de4aee0927b..dc13941e5d7b 100644 --- a/compiler/rustc_trait_selection/src/solve/fulfill.rs +++ b/compiler/rustc_trait_selection/src/solve/fulfill.rs @@ -6,8 +6,8 @@ use rustc_infer::infer::InferCtxt; use rustc_infer::traits::query::NoSolution; use rustc_infer::traits::solve::{CandidateSource, GoalSource, MaybeCause}; use rustc_infer::traits::{ - self, FromSolverError, FulfillmentErrorLike, MismatchedProjectionTypes, Obligation, - ObligationCause, ObligationCauseCode, PredicateObligation, SelectionError, TraitEngine, + self, FromSolverError, MismatchedProjectionTypes, Obligation, ObligationCause, + ObligationCauseCode, PredicateObligation, SelectionError, TraitEngine, }; use rustc_middle::bug; use rustc_middle::ty::error::{ExpectedFound, TypeError}; @@ -31,7 +31,7 @@ use super::{Certainty, InferCtxtEvalExt}; /// /// It is also likely that we want to use slightly different datastructures /// here as this will have to deal with far more root goals than `evaluate_all`. -pub struct FulfillmentCtxt<'tcx, E: FulfillmentErrorLike<'tcx>> { +pub struct FulfillmentCtxt<'tcx, E: 'tcx> { obligations: ObligationStorage<'tcx>, /// The snapshot in which this context was created. Using the context @@ -93,7 +93,7 @@ impl<'tcx> ObligationStorage<'tcx> { } } -impl<'tcx, E: FulfillmentErrorLike<'tcx>> FulfillmentCtxt<'tcx, E> { +impl<'tcx, E: 'tcx> FulfillmentCtxt<'tcx, E> { pub fn new(infcx: &InferCtxt<'tcx>) -> FulfillmentCtxt<'tcx, E> { assert!( infcx.next_trait_solver(), @@ -123,8 +123,9 @@ impl<'tcx, E: FulfillmentErrorLike<'tcx>> FulfillmentCtxt<'tcx, E> { } } -impl<'tcx, E: FromSolverError<'tcx, NextSolverError<'tcx>>> TraitEngine<'tcx, E> - for FulfillmentCtxt<'tcx, E> +impl<'tcx, E> TraitEngine<'tcx, E> for FulfillmentCtxt<'tcx, E> +where + E: FromSolverError<'tcx, NextSolverError<'tcx>>, { #[instrument(level = "trace", skip(self, infcx))] fn register_predicate_obligation( diff --git a/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs b/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs index dca14e20fb31..1f27978e5a62 100644 --- a/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs +++ b/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs @@ -12,7 +12,6 @@ use rustc_ast_ir::try_visit; use rustc_ast_ir::visit::VisitorResult; use rustc_infer::infer::{DefineOpaqueTypes, InferCtxt, InferOk}; -use rustc_infer::traits::FulfillmentErrorLike as _; use rustc_macros::extension; use rustc_middle::traits::query::NoSolution; use rustc_middle::traits::solve::{inspect, QueryResult}; diff --git a/compiler/rustc_trait_selection/src/solve/normalize.rs b/compiler/rustc_trait_selection/src/solve/normalize.rs index 4211129a4e15..c60d1aed415a 100644 --- a/compiler/rustc_trait_selection/src/solve/normalize.rs +++ b/compiler/rustc_trait_selection/src/solve/normalize.rs @@ -1,3 +1,4 @@ +use std::fmt::Debug; use std::marker::PhantomData; use crate::traits::error_reporting::{OverflowCause, TypeErrCtxtExt}; @@ -6,7 +7,7 @@ use crate::traits::{BoundVarReplacer, PlaceholderReplacer, ScrubbedTraitError}; use rustc_data_structures::stack::ensure_sufficient_stack; use rustc_infer::infer::at::At; use rustc_infer::infer::InferCtxt; -use rustc_infer::traits::{FromSolverError, FulfillmentErrorLike, Obligation, TraitEngine}; +use rustc_infer::traits::{FromSolverError, Obligation, TraitEngine}; use rustc_middle::traits::ObligationCause; use rustc_middle::ty::{self, Ty, TyCtxt, UniverseIndex}; use rustc_middle::ty::{FallibleTypeFolder, TypeFolder, TypeSuperFoldable}; @@ -16,14 +17,11 @@ use super::{FulfillmentCtxt, NextSolverError}; /// Deeply normalize all aliases in `value`. This does not handle inference and expects /// its input to be already fully resolved. -pub fn deeply_normalize< - 'tcx, +pub fn deeply_normalize<'tcx, T, E>(at: At<'_, 'tcx>, value: T) -> Result> +where T: TypeFoldable>, E: FromSolverError<'tcx, NextSolverError<'tcx>>, ->( - at: At<'_, 'tcx>, - value: T, -) -> Result> { +{ assert!(!value.has_escaping_bound_vars()); deeply_normalize_with_skipped_universes(at, value, vec![]) } @@ -34,15 +32,15 @@ pub fn deeply_normalize< /// Additionally takes a list of universes which represents the binders which have been /// entered before passing `value` to the function. This is currently needed for /// `normalize_erasing_regions`, which skips binders as it walks through a type. -pub fn deeply_normalize_with_skipped_universes< - 'tcx, - T: TypeFoldable>, - E: FromSolverError<'tcx, NextSolverError<'tcx>>, ->( +pub fn deeply_normalize_with_skipped_universes<'tcx, T, E>( at: At<'_, 'tcx>, value: T, universes: Vec>, -) -> Result> { +) -> Result> +where + T: TypeFoldable>, + E: FromSolverError<'tcx, NextSolverError<'tcx>>, +{ let fulfill_cx = FulfillmentCtxt::new(at.infcx); let mut folder = NormalizationFolder { at, fulfill_cx, depth: 0, universes, _errors: PhantomData }; @@ -50,7 +48,7 @@ pub fn deeply_normalize_with_skipped_universes< value.try_fold_with(&mut folder) } -struct NormalizationFolder<'me, 'tcx, E: FulfillmentErrorLike<'tcx>> { +struct NormalizationFolder<'me, 'tcx, E> { at: At<'me, 'tcx>, fulfill_cx: FulfillmentCtxt<'tcx, E>, depth: usize, @@ -58,7 +56,10 @@ struct NormalizationFolder<'me, 'tcx, E: FulfillmentErrorLike<'tcx>> { _errors: PhantomData, } -impl<'tcx, E: FromSolverError<'tcx, NextSolverError<'tcx>>> NormalizationFolder<'_, 'tcx, E> { +impl<'tcx, E> NormalizationFolder<'_, 'tcx, E> +where + E: FromSolverError<'tcx, NextSolverError<'tcx>>, +{ fn normalize_alias_ty(&mut self, alias_ty: Ty<'tcx>) -> Result, Vec> { assert!(matches!(alias_ty.kind(), ty::Alias(..))); @@ -150,8 +151,9 @@ impl<'tcx, E: FromSolverError<'tcx, NextSolverError<'tcx>>> NormalizationFolder< } } -impl<'tcx, E: FromSolverError<'tcx, NextSolverError<'tcx>>> FallibleTypeFolder> - for NormalizationFolder<'_, 'tcx, E> +impl<'tcx, E> FallibleTypeFolder> for NormalizationFolder<'_, 'tcx, E> +where + E: FromSolverError<'tcx, NextSolverError<'tcx>> + Debug, { type Error = Vec; diff --git a/compiler/rustc_trait_selection/src/traits/engine.rs b/compiler/rustc_trait_selection/src/traits/engine.rs index 397f9cf2638e..811f61d2bf37 100644 --- a/compiler/rustc_trait_selection/src/traits/engine.rs +++ b/compiler/rustc_trait_selection/src/traits/engine.rs @@ -21,7 +21,6 @@ use rustc_infer::infer::canonical::{ use rustc_infer::infer::outlives::env::OutlivesEnvironment; use rustc_infer::infer::RegionResolutionError; use rustc_infer::infer::{DefineOpaqueTypes, InferCtxt, InferOk}; -use rustc_infer::traits::FulfillmentErrorLike; use rustc_macros::extension; use rustc_middle::arena::ArenaAllocatable; use rustc_middle::traits::query::NoSolution; @@ -32,10 +31,9 @@ use rustc_middle::ty::Variance; use rustc_middle::ty::{self, Ty, TyCtxt}; #[extension(pub trait TraitEngineExt<'tcx, E>)] -impl< - 'tcx, +impl<'tcx, E> dyn TraitEngine<'tcx, E> +where E: FromSolverError<'tcx, NextSolverError<'tcx>> + FromSolverError<'tcx, OldSolverError<'tcx>>, -> dyn TraitEngine<'tcx, E> { fn new(infcx: &InferCtxt<'tcx>) -> Box { if infcx.next_trait_solver() { @@ -73,7 +71,7 @@ impl<'a, 'tcx> ObligationCtxt<'a, 'tcx, ScrubbedTraitError<'tcx>> { impl<'a, 'tcx, E> ObligationCtxt<'a, 'tcx, E> where - E: FulfillmentErrorLike<'tcx>, + E: 'tcx, { pub fn register_obligation(&self, obligation: PredicateObligation<'tcx>) { self.engine.borrow_mut().register_predicate_obligation(self.infcx, obligation); @@ -231,7 +229,20 @@ where ) -> Vec> { self.infcx.resolve_regions(outlives_env) } +} +impl<'tcx> ObligationCtxt<'_, 'tcx, FulfillmentError<'tcx>> { + pub fn assumed_wf_types_and_report_errors( + &self, + param_env: ty::ParamEnv<'tcx>, + def_id: LocalDefId, + ) -> Result>, ErrorGuaranteed> { + self.assumed_wf_types(param_env, def_id) + .map_err(|errors| self.infcx.err_ctxt().report_fulfillment_errors(errors)) + } +} + +impl<'tcx> ObligationCtxt<'_, 'tcx, ScrubbedTraitError<'tcx>> { pub fn make_canonicalized_query_response( &self, inference_vars: CanonicalVarValues<'tcx>, @@ -249,17 +260,6 @@ where } } -impl<'tcx> ObligationCtxt<'_, 'tcx, FulfillmentError<'tcx>> { - pub fn assumed_wf_types_and_report_errors( - &self, - param_env: ty::ParamEnv<'tcx>, - def_id: LocalDefId, - ) -> Result>, ErrorGuaranteed> { - self.assumed_wf_types(param_env, def_id) - .map_err(|errors| self.infcx.err_ctxt().report_fulfillment_errors(errors)) - } -} - impl<'tcx, E> ObligationCtxt<'_, 'tcx, E> where E: FromSolverError<'tcx, NextSolverError<'tcx>>, diff --git a/compiler/rustc_trait_selection/src/traits/fulfill.rs b/compiler/rustc_trait_selection/src/traits/fulfill.rs index 59802a260435..8ab9d5754c03 100644 --- a/compiler/rustc_trait_selection/src/traits/fulfill.rs +++ b/compiler/rustc_trait_selection/src/traits/fulfill.rs @@ -6,7 +6,7 @@ use rustc_data_structures::obligation_forest::ProcessResult; use rustc_data_structures::obligation_forest::{Error, ForestObligation, Outcome}; use rustc_data_structures::obligation_forest::{ObligationForest, ObligationProcessor}; use rustc_infer::infer::DefineOpaqueTypes; -use rustc_infer::traits::{FromSolverError, FulfillmentErrorLike, ProjectionCacheKey}; +use rustc_infer::traits::{FromSolverError, ProjectionCacheKey}; use rustc_infer::traits::{PolyTraitObligation, SelectionError, TraitEngine}; use rustc_middle::bug; use rustc_middle::mir::interpret::ErrorHandled; @@ -50,7 +50,7 @@ impl<'tcx> ForestObligation for PendingPredicateObligation<'tcx> { /// along. Once all type inference constraints have been generated, the /// method `select_all_or_error` can be used to report any remaining /// ambiguous cases as errors. -pub struct FulfillmentContext<'tcx, E: FulfillmentErrorLike<'tcx>> { +pub struct FulfillmentContext<'tcx, E: 'tcx> { /// A list of all obligations that have been registered with this /// fulfillment context. predicates: ObligationForest>, @@ -78,7 +78,10 @@ pub struct PendingPredicateObligation<'tcx> { #[cfg(target_pointer_width = "64")] rustc_data_structures::static_assert_size!(PendingPredicateObligation<'_>, 72); -impl<'tcx, E: FromSolverError<'tcx, OldSolverError<'tcx>>> FulfillmentContext<'tcx, E> { +impl<'tcx, E> FulfillmentContext<'tcx, E> +where + E: FromSolverError<'tcx, OldSolverError<'tcx>>, +{ /// Creates a new fulfillment context. pub(super) fn new(infcx: &InferCtxt<'tcx>) -> FulfillmentContext<'tcx, E> { assert!( @@ -106,8 +109,11 @@ impl<'tcx, E: FromSolverError<'tcx, OldSolverError<'tcx>>> FulfillmentContext<'t // FIXME: if we kept the original cache key, we could mark projection // obligations as complete for the projection cache here. - let errors: Vec = - outcome.errors.into_iter().map(|err| E::from_solver_error(infcx, err)).collect(); + let errors: Vec = outcome + .errors + .into_iter() + .map(|err| E::from_solver_error(infcx, OldSolverError(err))) + .collect(); debug!( "select({} predicates remaining, {} errors) done", @@ -119,8 +125,9 @@ impl<'tcx, E: FromSolverError<'tcx, OldSolverError<'tcx>>> FulfillmentContext<'t } } -impl<'tcx, E: FromSolverError<'tcx, OldSolverError<'tcx>>> TraitEngine<'tcx, E> - for FulfillmentContext<'tcx, E> +impl<'tcx, E> TraitEngine<'tcx, E> for FulfillmentContext<'tcx, E> +where + E: FromSolverError<'tcx, OldSolverError<'tcx>>, { #[inline] fn register_predicate_obligation( @@ -144,7 +151,7 @@ impl<'tcx, E: FromSolverError<'tcx, OldSolverError<'tcx>>> TraitEngine<'tcx, E> self.predicates .to_errors(FulfillmentErrorCode::Ambiguity { overflow: None }) .into_iter() - .map(|err| E::from_solver_error(infcx, err)) + .map(|err| E::from_solver_error(infcx, OldSolverError(err))) .collect() } @@ -843,22 +850,25 @@ fn args_infer_vars<'a, 'tcx>( .filter_map(TyOrConstInferVar::maybe_from_generic_arg) } -pub type OldSolverError<'tcx> = Error, FulfillmentErrorCode<'tcx>>; +#[derive(Debug)] +pub struct OldSolverError<'tcx>( + Error, FulfillmentErrorCode<'tcx>>, +); impl<'tcx> FromSolverError<'tcx, OldSolverError<'tcx>> for FulfillmentError<'tcx> { fn from_solver_error(_infcx: &InferCtxt<'tcx>, error: OldSolverError<'tcx>) -> Self { - let mut iter = error.backtrace.into_iter(); + let mut iter = error.0.backtrace.into_iter(); let obligation = iter.next().unwrap().obligation; // The root obligation is the last item in the backtrace - if there's only // one item, then it's the same as the main obligation let root_obligation = iter.next_back().map_or_else(|| obligation.clone(), |e| e.obligation); - FulfillmentError::new(obligation, error.error, root_obligation) + FulfillmentError::new(obligation, error.0.error, root_obligation) } } impl<'tcx> FromSolverError<'tcx, OldSolverError<'tcx>> for ScrubbedTraitError<'tcx> { fn from_solver_error(_infcx: &InferCtxt<'tcx>, error: OldSolverError<'tcx>) -> Self { - match error.error { + match error.0.error { FulfillmentErrorCode::Select(_) | FulfillmentErrorCode::Project(_) | FulfillmentErrorCode::Subtype(_, _) diff --git a/compiler/rustc_trait_selection/src/traits/mod.rs b/compiler/rustc_trait_selection/src/traits/mod.rs index 9aaa8adbd671..d918945dbed9 100644 --- a/compiler/rustc_trait_selection/src/traits/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/mod.rs @@ -71,37 +71,6 @@ pub use self::util::{with_replaced_escaping_bound_vars, BoundVarReplacer, Placeh pub use rustc_infer::traits::*; -/// A trait error with most of its information removed. This is the error -/// returned by an [`ObligationCtxt`] by default, and suitable if you just -/// want to see if a predicate holds, and don't particularly care about the -/// error itself (except for if it's an ambiguity or true error). -/// -/// use [`ObligationCtxt::new_with_diagnostics`] to get a [`FulfillmentError`]. -#[derive(Clone, Debug)] -pub enum ScrubbedTraitError<'tcx> { - /// A real error. This goal definitely does not hold. - TrueError, - /// An ambiguity. This goal may hold if further inference is done. - Ambiguity, - /// An old-solver-style cycle error, which will fatal. - Cycle(Vec>), -} - -impl<'tcx> ScrubbedTraitError<'tcx> { - fn is_true_error(&self) -> bool { - match self { - ScrubbedTraitError::TrueError => true, - ScrubbedTraitError::Ambiguity | ScrubbedTraitError::Cycle(_) => false, - } - } -} - -impl<'tcx> FulfillmentErrorLike<'tcx> for ScrubbedTraitError<'tcx> { - fn is_true_error(&self) -> bool { - self.is_true_error() - } -} - pub struct FulfillmentError<'tcx> { pub obligation: PredicateObligation<'tcx>, pub code: FulfillmentErrorCode<'tcx>, @@ -133,12 +102,6 @@ impl<'tcx> FulfillmentError<'tcx> { } } -impl<'tcx> FulfillmentErrorLike<'tcx> for FulfillmentError<'tcx> { - fn is_true_error(&self) -> bool { - self.is_true_error() - } -} - impl<'tcx> Debug for FulfillmentError<'tcx> { fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { write!(f, "FulfillmentError({:?},{:?})", self.obligation, self.code) diff --git a/compiler/rustc_trait_selection/src/traits/normalize.rs b/compiler/rustc_trait_selection/src/traits/normalize.rs index 4e5ca2ee92e1..db30521d776a 100644 --- a/compiler/rustc_trait_selection/src/traits/normalize.rs +++ b/compiler/rustc_trait_selection/src/traits/normalize.rs @@ -46,14 +46,15 @@ impl<'tcx> At<'_, 'tcx> { /// existing fulfillment context in the old solver. Once we also eagerly prove goals with /// the old solver or have removed the old solver, remove `traits::fully_normalize` and /// rename this function to `At::fully_normalize`. - fn deeply_normalize< - T: TypeFoldable>, - E: FromSolverError<'tcx, NextSolverError<'tcx>>, - >( + fn deeply_normalize( self, value: T, fulfill_cx: &mut dyn TraitEngine<'tcx, E>, - ) -> Result> { + ) -> Result> + where + T: TypeFoldable>, + E: FromSolverError<'tcx, NextSolverError<'tcx>>, + { if self.infcx.next_trait_solver() { crate::solve::deeply_normalize(self, value) } else { diff --git a/compiler/rustc_trait_selection/src/traits/query/type_op/implied_outlives_bounds.rs b/compiler/rustc_trait_selection/src/traits/query/type_op/implied_outlives_bounds.rs index 54fa07496181..b38841db9233 100644 --- a/compiler/rustc_trait_selection/src/traits/query/type_op/implied_outlives_bounds.rs +++ b/compiler/rustc_trait_selection/src/traits/query/type_op/implied_outlives_bounds.rs @@ -1,8 +1,6 @@ -use crate::solve; use crate::traits::query::NoSolution; use crate::traits::wf; use crate::traits::ObligationCtxt; -use crate::traits::ScrubbedTraitError; use rustc_infer::infer::canonical::Canonical; use rustc_infer::infer::outlives::components::{push_outlives_components, Component}; @@ -263,11 +261,9 @@ pub fn compute_implied_outlives_bounds_compat_inner<'tcx>( let mut ty_a = ocx.infcx.resolve_vars_if_possible(ty_a); // Need to manually normalize in the new solver as `wf::obligations` does not. if ocx.infcx.next_trait_solver() { - ty_a = solve::deeply_normalize( - ocx.infcx.at(&ObligationCause::dummy(), param_env), - ty_a, - ) - .map_err(|_errs: Vec>| NoSolution)?; + ty_a = ocx + .deeply_normalize(&ObligationCause::dummy(), param_env, ty_a) + .map_err(|_| NoSolution)?; } let mut components = smallvec![]; push_outlives_components(tcx, ty_a, &mut components); diff --git a/compiler/rustc_trait_selection/src/traits/structural_normalize.rs b/compiler/rustc_trait_selection/src/traits/structural_normalize.rs index a160fc033a2c..9d657ade86bf 100644 --- a/compiler/rustc_trait_selection/src/traits/structural_normalize.rs +++ b/compiler/rustc_trait_selection/src/traits/structural_normalize.rs @@ -1,5 +1,5 @@ use rustc_infer::infer::at::At; -use rustc_infer::traits::{FulfillmentErrorLike, TraitEngine}; +use rustc_infer::traits::TraitEngine; use rustc_macros::extension; use rustc_middle::ty::{self, Ty}; @@ -7,7 +7,7 @@ use crate::traits::{NormalizeExt, Obligation}; #[extension(pub trait StructurallyNormalizeExt<'tcx>)] impl<'tcx> At<'_, 'tcx> { - fn structurally_normalize>( + fn structurally_normalize( &self, ty: Ty<'tcx>, fulfill_cx: &mut dyn TraitEngine<'tcx, E>, From 6cfdc571d9d69ca4df1e833998b7ddb331e36d08 Mon Sep 17 00:00:00 2001 From: Michael Woerister Date: Mon, 3 Jun 2024 14:36:55 +0200 Subject: [PATCH 0908/1716] Stabilize order of MonoItems in CGUs and disallow query_instability lint for rustc_monomorphize --- compiler/rustc_middle/src/mir/mono.rs | 49 ++++++-------- compiler/rustc_monomorphize/src/collector.rs | 34 ++++++---- compiler/rustc_monomorphize/src/lib.rs | 1 - .../rustc_monomorphize/src/partitioning.rs | 64 ++++++++++--------- 4 files changed, 74 insertions(+), 74 deletions(-) diff --git a/compiler/rustc_middle/src/mir/mono.rs b/compiler/rustc_middle/src/mir/mono.rs index a3d2140eb1b1..3d79ec0092f8 100644 --- a/compiler/rustc_middle/src/mir/mono.rs +++ b/compiler/rustc_middle/src/mir/mono.rs @@ -5,9 +5,9 @@ use rustc_data_structures::base_n::BaseNString; use rustc_data_structures::base_n::ToBaseN; use rustc_data_structures::base_n::CASE_INSENSITIVE; use rustc_data_structures::fingerprint::Fingerprint; -use rustc_data_structures::fx::FxHashMap; use rustc_data_structures::fx::FxIndexMap; -use rustc_data_structures::stable_hasher::{Hash128, HashStable, StableHasher}; +use rustc_data_structures::stable_hasher::{Hash128, HashStable, StableHasher, ToStableHashKey}; +use rustc_data_structures::unord::UnordMap; use rustc_hir::def_id::{CrateNum, DefId, LOCAL_CRATE}; use rustc_hir::ItemId; use rustc_index::Idx; @@ -241,7 +241,17 @@ impl<'tcx> fmt::Display for MonoItem<'tcx> { } } -#[derive(Debug)] +impl ToStableHashKey> for MonoItem<'_> { + type KeyType = Fingerprint; + + fn to_stable_hash_key(&self, hcx: &StableHashingContext<'_>) -> Self::KeyType { + let mut hasher = StableHasher::new(); + self.hash_stable(&mut hcx.clone(), &mut hasher); + hasher.finish() + } +} + +#[derive(Debug, HashStable)] pub struct CodegenUnit<'tcx> { /// A name for this CGU. Incremental compilation requires that /// name be unique amongst **all** crates. Therefore, it should @@ -430,38 +440,19 @@ impl<'tcx> CodegenUnit<'tcx> { } } -impl<'a, 'tcx> HashStable> for CodegenUnit<'tcx> { - fn hash_stable(&self, hcx: &mut StableHashingContext<'a>, hasher: &mut StableHasher) { - let CodegenUnit { - ref items, - name, - // The size estimate is not relevant to the hash - size_estimate: _, - primary: _, - is_code_coverage_dead_code_cgu, - } = *self; +impl ToStableHashKey> for CodegenUnit<'_> { + type KeyType = String; - name.hash_stable(hcx, hasher); - is_code_coverage_dead_code_cgu.hash_stable(hcx, hasher); - - let mut items: Vec<(Fingerprint, _)> = items - .iter() - .map(|(mono_item, &attrs)| { - let mut hasher = StableHasher::new(); - mono_item.hash_stable(hcx, &mut hasher); - let mono_item_fingerprint = hasher.finish(); - (mono_item_fingerprint, attrs) - }) - .collect(); - - items.sort_unstable_by_key(|i| i.0); - items.hash_stable(hcx, hasher); + fn to_stable_hash_key(&self, _: &StableHashingContext<'_>) -> Self::KeyType { + // Codegen unit names are conceptually required to be stable across + // compilation session so that object file names match up. + self.name.to_string() } } pub struct CodegenUnitNameBuilder<'tcx> { tcx: TyCtxt<'tcx>, - cache: FxHashMap, + cache: UnordMap, } impl<'tcx> CodegenUnitNameBuilder<'tcx> { diff --git a/compiler/rustc_monomorphize/src/collector.rs b/compiler/rustc_monomorphize/src/collector.rs index 9487692662bb..61680dbfaf52 100644 --- a/compiler/rustc_monomorphize/src/collector.rs +++ b/compiler/rustc_monomorphize/src/collector.rs @@ -207,8 +207,8 @@ mod move_check; -use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_data_structures::sync::{par_for_each_in, LRef, MTLock}; +use rustc_data_structures::unord::{UnordMap, UnordSet}; use rustc_hir as hir; use rustc_hir::def::DefKind; use rustc_hir::def_id::{DefId, DefIdMap, LocalDefId}; @@ -251,10 +251,10 @@ pub enum MonoItemCollectionStrategy { pub struct UsageMap<'tcx> { // Maps every mono item to the mono items used by it. - used_map: FxHashMap, Vec>>, + used_map: UnordMap, Vec>>, // Maps every mono item to the mono items that use it. - user_map: FxHashMap, Vec>>, + user_map: UnordMap, Vec>>, } type MonoItems<'tcx> = Vec>>; @@ -262,10 +262,10 @@ type MonoItems<'tcx> = Vec>>; /// The state that is shared across the concurrent threads that are doing collection. struct SharedState<'tcx> { /// Items that have been or are currently being recursively collected. - visited: MTLock>>, + visited: MTLock>>, /// Items that have been or are currently being recursively treated as "mentioned", i.e., their /// consts are evaluated but nothing is added to the collection. - mentioned: MTLock>>, + mentioned: MTLock>>, /// Which items are being used where, for better errors. usage_map: MTLock>, } @@ -290,7 +290,7 @@ enum CollectionMode { impl<'tcx> UsageMap<'tcx> { fn new() -> UsageMap<'tcx> { - UsageMap { used_map: FxHashMap::default(), user_map: FxHashMap::default() } + UsageMap { used_map: Default::default(), user_map: Default::default() } } fn record_used<'a>( @@ -668,7 +668,7 @@ struct MirUsedCollector<'a, 'tcx> { used_items: &'a mut MonoItems<'tcx>, /// See the comment in `collect_items_of_instance` for the purpose of this set. /// Note that this contains *not-monomorphized* items! - used_mentioned_items: &'a mut FxHashSet>, + used_mentioned_items: &'a mut UnordSet>, instance: Instance<'tcx>, visiting_call_terminator: bool, move_check: move_check::MoveCheckState, @@ -1272,7 +1272,7 @@ fn collect_items_of_instance<'tcx>( // mentioned item. So instead we collect all pre-monomorphized `MentionedItem` that were already // added to `used_items` in a hash set, which can efficiently query in the // `body.mentioned_items` loop below without even having to monomorphize the item. - let mut used_mentioned_items = FxHashSet::>::default(); + let mut used_mentioned_items = Default::default(); let mut collector = MirUsedCollector { tcx, body, @@ -1628,10 +1628,10 @@ fn create_mono_items_for_default_impls<'tcx>( //=----------------------------------------------------------------------------- #[instrument(skip(tcx, strategy), level = "debug")] -pub fn collect_crate_mono_items( - tcx: TyCtxt<'_>, +pub(crate) fn collect_crate_mono_items<'tcx>( + tcx: TyCtxt<'tcx>, strategy: MonoItemCollectionStrategy, -) -> (FxHashSet>, UsageMap<'_>) { +) -> (Vec>, UsageMap<'tcx>) { let _prof_timer = tcx.prof.generic_activity("monomorphization_collector"); let roots = tcx @@ -1641,8 +1641,8 @@ pub fn collect_crate_mono_items( debug!("building mono item graph, beginning at roots"); let mut state = SharedState { - visited: MTLock::new(FxHashSet::default()), - mentioned: MTLock::new(FxHashSet::default()), + visited: MTLock::new(UnordSet::default()), + mentioned: MTLock::new(UnordSet::default()), usage_map: MTLock::new(UsageMap::new()), }; let recursion_limit = tcx.recursion_limit(); @@ -1665,5 +1665,11 @@ pub fn collect_crate_mono_items( }); } - (state.visited.into_inner(), state.usage_map.into_inner()) + // The set of MonoItems was created in an inherently indeterministic order because + // of parallelism. We sort it here to ensure that the output is deterministic. + let mono_items = tcx.with_stable_hashing_context(move |ref hcx| { + state.visited.into_inner().into_sorted(hcx, true) + }); + + (mono_items, state.usage_map.into_inner()) } diff --git a/compiler/rustc_monomorphize/src/lib.rs b/compiler/rustc_monomorphize/src/lib.rs index b298fe5813f8..eb5f8d92603a 100644 --- a/compiler/rustc_monomorphize/src/lib.rs +++ b/compiler/rustc_monomorphize/src/lib.rs @@ -1,6 +1,5 @@ #![feature(array_windows)] #![feature(is_sorted)] -#![allow(rustc::potential_query_instability)] use rustc_hir::lang_items::LangItem; use rustc_middle::bug; diff --git a/compiler/rustc_monomorphize/src/partitioning.rs b/compiler/rustc_monomorphize/src/partitioning.rs index 21d52004728a..336341f4e746 100644 --- a/compiler/rustc_monomorphize/src/partitioning.rs +++ b/compiler/rustc_monomorphize/src/partitioning.rs @@ -98,8 +98,9 @@ use std::fs::{self, File}; use std::io::{BufWriter, Write}; use std::path::{Path, PathBuf}; -use rustc_data_structures::fx::{FxHashMap, FxHashSet}; +use rustc_data_structures::fx::{FxIndexMap, FxIndexSet}; use rustc_data_structures::sync; +use rustc_data_structures::unord::{UnordMap, UnordSet}; use rustc_hir::def::DefKind; use rustc_hir::def_id::{DefId, DefIdSet, LOCAL_CRATE}; use rustc_hir::definitions::DefPathDataName; @@ -131,7 +132,7 @@ struct PlacedMonoItems<'tcx> { /// The codegen units, sorted by name to make things deterministic. codegen_units: Vec>, - internalization_candidates: FxHashSet>, + internalization_candidates: UnordSet>, } // The output CGUs are sorted by name. @@ -197,9 +198,9 @@ fn place_mono_items<'tcx, I>(cx: &PartitioningCx<'_, 'tcx>, mono_items: I) -> Pl where I: Iterator>, { - let mut codegen_units = FxHashMap::default(); + let mut codegen_units = UnordMap::default(); let is_incremental_build = cx.tcx.sess.opts.incremental.is_some(); - let mut internalization_candidates = FxHashSet::default(); + let mut internalization_candidates = UnordSet::default(); // Determine if monomorphizations instantiated in this crate will be made // available to downstream crates. This depends on whether we are in @@ -209,7 +210,7 @@ where cx.tcx.sess.opts.share_generics() && cx.tcx.local_crate_exports_generics(); let cgu_name_builder = &mut CodegenUnitNameBuilder::new(cx.tcx); - let cgu_name_cache = &mut FxHashMap::default(); + let cgu_name_cache = &mut UnordMap::default(); for mono_item in mono_items { // Handle only root (GloballyShared) items directly here. Inlined (LocalCopy) items @@ -260,7 +261,7 @@ where // going via another root item. This includes drop-glue, functions from // external crates, and local functions the definition of which is // marked with `#[inline]`. - let mut reachable_inlined_items = FxHashSet::default(); + let mut reachable_inlined_items = FxIndexSet::default(); get_reachable_inlined_items(cx.tcx, mono_item, cx.usage_map, &mut reachable_inlined_items); // Add those inlined items. It's possible an inlined item is reachable @@ -284,8 +285,9 @@ where codegen_units.insert(cgu_name, CodegenUnit::new(cgu_name)); } - let mut codegen_units: Vec<_> = codegen_units.into_values().collect(); - codegen_units.sort_by(|a, b| a.name().as_str().cmp(b.name().as_str())); + let mut codegen_units: Vec<_> = cx.tcx.with_stable_hashing_context(|ref hcx| { + codegen_units.into_items().map(|(_, cgu)| cgu).collect_sorted(hcx, true) + }); for cgu in codegen_units.iter_mut() { cgu.compute_size_estimate(); @@ -297,7 +299,7 @@ where tcx: TyCtxt<'tcx>, item: MonoItem<'tcx>, usage_map: &UsageMap<'tcx>, - visited: &mut FxHashSet>, + visited: &mut FxIndexSet>, ) { usage_map.for_each_inlined_used_item(tcx, item, |inlined_item| { let is_new = visited.insert(inlined_item); @@ -320,7 +322,7 @@ fn merge_codegen_units<'tcx>( assert!(codegen_units.is_sorted_by(|a, b| a.name().as_str() <= b.name().as_str())); // This map keeps track of what got merged into what. - let mut cgu_contents: FxHashMap> = + let mut cgu_contents: UnordMap> = codegen_units.iter().map(|cgu| (cgu.name(), vec![cgu.name()])).collect(); // If N is the maximum number of CGUs, and the CGUs are sorted from largest @@ -422,22 +424,24 @@ fn merge_codegen_units<'tcx>( // For CGUs that contain the code of multiple modules because of the // merging done above, we use a concatenation of the names of all // contained CGUs. - let new_cgu_names: FxHashMap = cgu_contents - .into_iter() - // This `filter` makes sure we only update the name of CGUs that - // were actually modified by merging. - .filter(|(_, cgu_contents)| cgu_contents.len() > 1) - .map(|(current_cgu_name, cgu_contents)| { - let mut cgu_contents: Vec<&str> = cgu_contents.iter().map(|s| s.as_str()).collect(); + let new_cgu_names = UnordMap::from( + cgu_contents + .items() + // This `filter` makes sure we only update the name of CGUs that + // were actually modified by merging. + .filter(|(_, cgu_contents)| cgu_contents.len() > 1) + .map(|(current_cgu_name, cgu_contents)| { + let mut cgu_contents: Vec<&str> = + cgu_contents.iter().map(|s| s.as_str()).collect(); - // Sort the names, so things are deterministic and easy to - // predict. We are sorting primitive `&str`s here so we can - // use unstable sort. - cgu_contents.sort_unstable(); + // Sort the names, so things are deterministic and easy to + // predict. We are sorting primitive `&str`s here so we can + // use unstable sort. + cgu_contents.sort_unstable(); - (current_cgu_name, cgu_contents.join("--")) - }) - .collect(); + (*current_cgu_name, cgu_contents.join("--")) + }), + ); for cgu in codegen_units.iter_mut() { if let Some(new_cgu_name) = new_cgu_names.get(&cgu.name()) { @@ -511,7 +515,7 @@ fn compute_inlined_overlap<'tcx>(cgu1: &CodegenUnit<'tcx>, cgu2: &CodegenUnit<'t fn internalize_symbols<'tcx>( cx: &PartitioningCx<'_, 'tcx>, codegen_units: &mut [CodegenUnit<'tcx>], - internalization_candidates: FxHashSet>, + internalization_candidates: UnordSet>, ) { /// For symbol internalization, we need to know whether a symbol/mono-item /// is used from outside the codegen unit it is defined in. This type is @@ -522,7 +526,7 @@ fn internalize_symbols<'tcx>( MultipleCgus, } - let mut mono_item_placements = FxHashMap::default(); + let mut mono_item_placements = UnordMap::default(); let single_codegen_unit = codegen_units.len() == 1; if !single_codegen_unit { @@ -739,7 +743,7 @@ fn mono_item_linkage_and_visibility<'tcx>( (Linkage::External, vis) } -type CguNameCache = FxHashMap<(DefId, bool), Symbol>; +type CguNameCache = UnordMap<(DefId, bool), Symbol>; fn static_visibility<'tcx>( tcx: TyCtxt<'tcx>, @@ -932,7 +936,7 @@ fn debug_dump<'a, 'tcx: 'a>(tcx: TyCtxt<'tcx>, label: &str, cgus: &[CodegenUnit< // // Also, unreached inlined items won't be counted here. This is fine. - let mut inlined_items = FxHashSet::default(); + let mut inlined_items = UnordSet::default(); let mut root_items = 0; let mut unique_inlined_items = 0; @@ -1164,7 +1168,7 @@ fn collect_and_partition_mono_items(tcx: TyCtxt<'_>, (): ()) -> (&DefIdSet, &[Co } if tcx.sess.opts.unstable_opts.print_mono_items.is_some() { - let mut item_to_cgus: FxHashMap<_, Vec<_>> = Default::default(); + let mut item_to_cgus: UnordMap<_, Vec<_>> = Default::default(); for cgu in codegen_units { for (&mono_item, &data) in cgu.items() { @@ -1240,7 +1244,7 @@ fn dump_mono_items_stats<'tcx>( let mut file = BufWriter::new(file); // Gather instantiated mono items grouped by def_id - let mut items_per_def_id: FxHashMap<_, Vec<_>> = Default::default(); + let mut items_per_def_id: FxIndexMap<_, Vec<_>> = Default::default(); for cgu in codegen_units { cgu.items() .keys() From e9c4eb3cd31cd373867369e78b2695f1f5a3c299 Mon Sep 17 00:00:00 2001 From: Weihang Lo Date: Fri, 31 May 2024 09:30:41 -0400 Subject: [PATCH 0909/1716] chore: update src/tools/rustc-perf This is needed for fixing the missing license issue. See https://github.com/rust-lang/rust/pull/125465. --- src/tools/rustc-perf | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/rustc-perf b/src/tools/rustc-perf index cc81f9654dac..72daa50ce235 160000 --- a/src/tools/rustc-perf +++ b/src/tools/rustc-perf @@ -1 +1 @@ -Subproject commit cc81f9654dac3fe08de286907dba747538417afd +Subproject commit 72daa50ce2350f5a9b5ae6dc3ad6babccd14ec0a From 9436fbe00dd4def2efa6651de5f469f8d637fceb Mon Sep 17 00:00:00 2001 From: Tim Kurdov Date: Mon, 3 Jun 2024 17:35:58 +0100 Subject: [PATCH 0910/1716] Fix typo in the docs of `HashMap::raw_entry_mut` --- library/std/src/collections/hash/map.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/library/std/src/collections/hash/map.rs b/library/std/src/collections/hash/map.rs index 5039f0b6bb28..fcd1c307b5af 100644 --- a/library/std/src/collections/hash/map.rs +++ b/library/std/src/collections/hash/map.rs @@ -1218,7 +1218,7 @@ where /// will cause the map to produce seemingly random results. Higher-level and /// more foolproof APIs like `entry` should be preferred when possible. /// - /// In particular, the hash used to initialized the raw entry must still be + /// In particular, the hash used to initialize the raw entry must still be /// consistent with the hash of the key that is ultimately stored in the entry. /// This is because implementations of HashMap may need to recompute hashes /// when resizing, at which point only the keys are available. From 47053d1621502c66b58c465499627bc2ce60a436 Mon Sep 17 00:00:00 2001 From: rustbot <47979223+rustbot@users.noreply.github.com> Date: Mon, 3 Jun 2024 13:00:52 -0400 Subject: [PATCH 0911/1716] Update books --- src/doc/book | 2 +- src/doc/edition-guide | 2 +- src/doc/embedded-book | 2 +- src/doc/reference | 2 +- src/doc/rust-by-example | 2 +- src/doc/rustc-dev-guide | 2 +- 6 files changed, 6 insertions(+), 6 deletions(-) diff --git a/src/doc/book b/src/doc/book index 85442a608426..5228bfac8267 160000 --- a/src/doc/book +++ b/src/doc/book @@ -1 +1 @@ -Subproject commit 85442a608426d3667f1c9458ad457b241a36b569 +Subproject commit 5228bfac8267ad24659a81b92ec5417976b5edbc diff --git a/src/doc/edition-guide b/src/doc/edition-guide index 0c68e90acaae..bbaabbe088e2 160000 --- a/src/doc/edition-guide +++ b/src/doc/edition-guide @@ -1 +1 @@ -Subproject commit 0c68e90acaae5a611f8f5098a3c2980de9845ab2 +Subproject commit bbaabbe088e21a81a0d9ae6757705020d5d7b416 diff --git a/src/doc/embedded-book b/src/doc/embedded-book index dd962bb82865..b10c6acaf0f4 160000 --- a/src/doc/embedded-book +++ b/src/doc/embedded-book @@ -1 +1 @@ -Subproject commit dd962bb82865a5284f2404e5234f1e3222b9c022 +Subproject commit b10c6acaf0f43481f6600e95d4b5013446e29f7a diff --git a/src/doc/reference b/src/doc/reference index e356977fceaa..6019b76f5b28 160000 --- a/src/doc/reference +++ b/src/doc/reference @@ -1 +1 @@ -Subproject commit e356977fceaa8591c762312d8d446769166d4b3e +Subproject commit 6019b76f5b28938565b251bbba0bf5cc5c43d863 diff --git a/src/doc/rust-by-example b/src/doc/rust-by-example index 20482893d1a5..4840dca06cad 160000 --- a/src/doc/rust-by-example +++ b/src/doc/rust-by-example @@ -1 +1 @@ -Subproject commit 20482893d1a502df72f76762c97aed88854cdf81 +Subproject commit 4840dca06cadf48b305d3ce0aeafde7f80933f80 diff --git a/src/doc/rustc-dev-guide b/src/doc/rustc-dev-guide index b6d4a4940bab..6a7374bd87cb 160000 --- a/src/doc/rustc-dev-guide +++ b/src/doc/rustc-dev-guide @@ -1 +1 @@ -Subproject commit b6d4a4940bab85cc91eec70cc2e3096dd48da62d +Subproject commit 6a7374bd87cbac0f8be4fd4877d8186d9c313985 From 832b8b8688bebb413dd29cb22eb574d250853e65 Mon Sep 17 00:00:00 2001 From: Julia Ryan Date: Mon, 3 Jun 2024 10:27:10 -0700 Subject: [PATCH 0912/1716] Update fuchsia maintainers --- src/doc/rustc/src/platform-support/fuchsia.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/doc/rustc/src/platform-support/fuchsia.md b/src/doc/rustc/src/platform-support/fuchsia.md index 3e1db692f50b..5643c6a0188a 100644 --- a/src/doc/rustc/src/platform-support/fuchsia.md +++ b/src/doc/rustc/src/platform-support/fuchsia.md @@ -10,9 +10,9 @@ updatable, and performant. The [Fuchsia team]: - Tyler Mandry ([@tmandry](https://github.com/tmandry)) -- Dan Johnson ([@computerdruid](https://github.com/computerdruid)) - David Koloski ([@djkoloski](https://github.com/djkoloski)) -- Joseph Ryan ([@P1n3appl3](https://github.com/P1n3appl3)) +- Julia Ryan ([@P1n3appl3](https://github.com/P1n3appl3)) +- Erick Tryzelaar ([@erickt](https://github.com/erickt)) As the team evolves over time, the specific members listed here may differ from the members reported by the API. The API should be considered to be From 708ef7955d4c326e990e5b435523c131a98c14d7 Mon Sep 17 00:00:00 2001 From: y21 <30553356+y21@users.noreply.github.com> Date: Mon, 3 Jun 2024 21:31:33 +0200 Subject: [PATCH 0913/1716] only run flop lints on inherent method calls --- clippy_lints/src/floating_point_arithmetic.rs | 5 +++-- clippy_utils/src/lib.rs | 9 +++++++++ tests/ui/floating_point_log.fixed | 15 +++++++++++++++ tests/ui/floating_point_log.rs | 15 +++++++++++++++ 4 files changed, 42 insertions(+), 2 deletions(-) diff --git a/clippy_lints/src/floating_point_arithmetic.rs b/clippy_lints/src/floating_point_arithmetic.rs index 46d47e217b04..68bdf88d0a7e 100644 --- a/clippy_lints/src/floating_point_arithmetic.rs +++ b/clippy_lints/src/floating_point_arithmetic.rs @@ -2,7 +2,8 @@ use clippy_utils::consts::Constant::{Int, F32, F64}; use clippy_utils::consts::{constant, constant_simple, Constant}; use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::{ - eq_expr_value, get_parent_expr, higher, in_constant, is_no_std_crate, numeric_literal, peel_blocks, sugg, + eq_expr_value, get_parent_expr, higher, in_constant, is_inherent_method_call, is_no_std_crate, numeric_literal, + peel_blocks, sugg, }; use rustc_errors::Applicability; use rustc_hir::{BinOpKind, Expr, ExprKind, PathSegment, UnOp}; @@ -759,7 +760,7 @@ impl<'tcx> LateLintPass<'tcx> for FloatingPointArithmetic { if let ExprKind::MethodCall(path, receiver, args, _) = &expr.kind { let recv_ty = cx.typeck_results().expr_ty(receiver); - if recv_ty.is_floating_point() && !is_no_std_crate(cx) { + if recv_ty.is_floating_point() && !is_no_std_crate(cx) && is_inherent_method_call(cx, expr) { match path.ident.name.as_str() { "ln" => check_ln1p(cx, expr, receiver), "log" => check_log_base(cx, expr, receiver, args), diff --git a/clippy_utils/src/lib.rs b/clippy_utils/src/lib.rs index b10830b24e1f..6d6c4ffbe5d6 100644 --- a/clippy_utils/src/lib.rs +++ b/clippy_utils/src/lib.rs @@ -321,6 +321,15 @@ pub fn match_trait_method(cx: &LateContext<'_>, expr: &Expr<'_>, path: &[&str]) .map_or(false, |trt_id| match_def_path(cx, trt_id, path)) } +/// Checks if the given method call expression calls an inherent method. +pub fn is_inherent_method_call(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { + if let Some(method_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id) { + cx.tcx.trait_of_item(method_id).is_none() + } else { + false + } +} + /// Checks if a method is defined in an impl of a diagnostic item pub fn is_diag_item_method(cx: &LateContext<'_>, def_id: DefId, diag_item: Symbol) -> bool { if let Some(impl_did) = cx.tcx.impl_of_method(def_id) { diff --git a/tests/ui/floating_point_log.fixed b/tests/ui/floating_point_log.fixed index 01f0fc5c671a..15cc47eef0dd 100644 --- a/tests/ui/floating_point_log.fixed +++ b/tests/ui/floating_point_log.fixed @@ -55,4 +55,19 @@ fn check_ln1p() { let _ = (1.0 + x - 2.0).ln(); } +fn issue12881() { + pub trait MyLog { + fn log(&self) -> Self; + } + + impl MyLog for f32 { + fn log(&self) -> Self { + 4. + } + } + + let x = 2.0; + x.log(); +} + fn main() {} diff --git a/tests/ui/floating_point_log.rs b/tests/ui/floating_point_log.rs index 197e3e1ff909..1241af828593 100644 --- a/tests/ui/floating_point_log.rs +++ b/tests/ui/floating_point_log.rs @@ -55,4 +55,19 @@ fn check_ln1p() { let _ = (1.0 + x - 2.0).ln(); } +fn issue12881() { + pub trait MyLog { + fn log(&self) -> Self; + } + + impl MyLog for f32 { + fn log(&self) -> Self { + 4. + } + } + + let x = 2.0; + x.log(); +} + fn main() {} From 9173c58e68e49defe25aa09c1614400c0ab139ca Mon Sep 17 00:00:00 2001 From: Renato Lochetti Date: Mon, 3 Jun 2024 20:46:05 +0100 Subject: [PATCH 0914/1716] Using Clippy as a proper noun when refering to the unique entity Clippy --- README.md | 4 ++-- book/src/configuration.md | 2 +- book/src/development/basics.md | 2 +- book/src/development/defining_lints.md | 4 ++-- .../development/proposals/syntax-tree-patterns.md | 12 ++++++------ clippy_dummy/PUBLISH.md | 2 +- clippy_dummy/crates-readme.md | 4 ++-- lintcheck/README.md | 4 ++-- 8 files changed, 17 insertions(+), 17 deletions(-) diff --git a/README.md b/README.md index fa18447090c1..ec76a6dfb08e 100644 --- a/README.md +++ b/README.md @@ -172,7 +172,7 @@ You can add options to your code to `allow`/`warn`/`deny` Clippy lints: Note: `allow` means to suppress the lint for your code. With `warn` the lint will only emit a warning, while with `deny` the lint will emit an error, when -triggering for your code. An error causes clippy to exit with an error code, so +triggering for your code. An error causes Clippy to exit with an error code, so is useful in scripts like CI/CD. If you do not want to include your lint levels in your code, you can globally @@ -238,7 +238,7 @@ define the `CLIPPY_DISABLE_DOCS_LINKS` environment variable. ### Specifying the minimum supported Rust version Projects that intend to support old versions of Rust can disable lints pertaining to newer features by -specifying the minimum supported Rust version (MSRV) in the clippy configuration file. +specifying the minimum supported Rust version (MSRV) in the Clippy configuration file. ```toml msrv = "1.30.0" diff --git a/book/src/configuration.md b/book/src/configuration.md index ea549e4df4a5..b13054431898 100644 --- a/book/src/configuration.md +++ b/book/src/configuration.md @@ -99,7 +99,7 @@ For more details and options, refer to the Cargo documentation. ### Specifying the minimum supported Rust version Projects that intend to support old versions of Rust can disable lints pertaining to newer features by specifying the -minimum supported Rust version (MSRV) in the clippy configuration file. +minimum supported Rust version (MSRV) in the Clippy configuration file. ```toml msrv = "1.30.0" diff --git a/book/src/development/basics.md b/book/src/development/basics.md index f4c109ff1191..166b6aab9fb3 100644 --- a/book/src/development/basics.md +++ b/book/src/development/basics.md @@ -107,7 +107,7 @@ More about [intellij] command usage and reasons. ## lintcheck -`cargo lintcheck` will build and run clippy on a fixed set of crates and +`cargo lintcheck` will build and run Clippy on a fixed set of crates and generate a log of the results. You can `git diff` the updated log against its previous version and see what impact your lint made on a small set of crates. If you add a new lint, please audit the resulting warnings and make sure there diff --git a/book/src/development/defining_lints.md b/book/src/development/defining_lints.md index 806ed0845f03..ceabb255e2d0 100644 --- a/book/src/development/defining_lints.md +++ b/book/src/development/defining_lints.md @@ -163,11 +163,11 @@ declare_clippy_lint! { /// /// ### Example /// ```rust - /// // example code where clippy issues a warning + /// // example code where Clippy issues a warning /// ``` /// Use instead: /// ```rust - /// // example code which does not raise clippy warning + /// // example code which does not raise Clippy warning /// ``` #[clippy::version = "1.70.0"] // <- In which version was this implemented, keep it up to date! pub LINT_NAME, // <- The lint name IN_ALL_CAPS diff --git a/book/src/development/proposals/syntax-tree-patterns.md b/book/src/development/proposals/syntax-tree-patterns.md index 285488cec55c..92fbf733a8fa 100644 --- a/book/src/development/proposals/syntax-tree-patterns.md +++ b/book/src/development/proposals/syntax-tree-patterns.md @@ -428,7 +428,7 @@ selection of possible matches is produced by the pattern syntax. In the second stage, the named subpattern references can be used to do additional tests like asserting that a node hasn't been created as part of a macro expansion. -## Implementing clippy lints using patterns +## Implementing Clippy lints using patterns As a "real-world" example, I re-implemented the `collapsible_if` lint using patterns. The code can be found @@ -572,7 +572,7 @@ The pattern syntax and the *PatternTree* are independent of specific syntax tree implementations (rust ast / hir, syn, ...). When looking at the different pattern examples in the previous sections, it can be seen that the patterns don't contain any information specific to a certain syntax tree implementation. -In contrast, clippy lints currently match against ast / hir syntax tree nodes +In contrast, Clippy lints currently match against ast / hir syntax tree nodes and therefore directly depend on their implementation. The connection between the *PatternTree* and specific syntax tree @@ -690,7 +690,7 @@ change, only the `IsMatch` trait implementations need to be adapted and existing lints can remain unchanged. This also means that if the `IsMatch` trait implementations were integrated into the compiler, updating the `IsMatch` implementations would be required for the compiler to compile successfully. This -could reduce the number of times clippy breaks because of changes in the +could reduce the number of times Clippy breaks because of changes in the compiler. Another advantage of the pattern's independence is that converting an `EarlyLintPass` lint into a `LatePassLint` wouldn't require rewriting the whole pattern matching code. In fact, the pattern might work just fine without any @@ -777,7 +777,7 @@ complexity to solve a relatively minor problem. The issue of users not knowing about the *PatternTree* structure could be solved by a tool that, given a rust program, generates a pattern that matches only this -program (similar to the clippy author lint). +program (similar to the Clippy author lint). For some simple cases (like the first example above), it might be possible to successfully mix Rust and pattern syntax. This space could be further explored @@ -789,7 +789,7 @@ The pattern syntax is heavily inspired by regular expressions (repetitions, alternatives, sequences, ...). From what I've seen until now, other linters also implement lints that directly -work on syntax tree data structures, just like clippy does currently. I would +work on syntax tree data structures, just like Clippy does currently. I would therefore consider the pattern syntax to be *new*, but please correct me if I'm wrong. @@ -982,5 +982,5 @@ pattern!{ } ``` -In the future, clippy could use this system to also provide lints for custom +In the future, Clippy could use this system to also provide lints for custom syntaxes like those found in macros. diff --git a/clippy_dummy/PUBLISH.md b/clippy_dummy/PUBLISH.md index 8e420ec959a2..f0021f1594f0 100644 --- a/clippy_dummy/PUBLISH.md +++ b/clippy_dummy/PUBLISH.md @@ -1,5 +1,5 @@ This is a dummy crate to publish to crates.io. It primarily exists to ensure -that folks trying to install clippy from crates.io get redirected to the +that folks trying to install Clippy from crates.io get redirected to the `rustup` technique. Before publishing, be sure to rename `clippy_dummy` to `clippy` in `Cargo.toml`, diff --git a/clippy_dummy/crates-readme.md b/clippy_dummy/crates-readme.md index 0decae8b9103..a8ec0a1c36cd 100644 --- a/clippy_dummy/crates-readme.md +++ b/clippy_dummy/crates-readme.md @@ -1,9 +1,9 @@ -Installing clippy via crates.io is deprecated. Please use the following: +Installing Clippy via crates.io is deprecated. Please use the following: ```terminal rustup component add clippy ``` -on a Rust version 1.29 or later. You may need to run `rustup self update` if it complains about a missing clippy binary. +on a Rust version 1.29 or later. You may need to run `rustup self update` if it complains about a missing Clippy binary. See [the homepage](https://github.com/rust-lang/rust-clippy/#clippy) for more information diff --git a/lintcheck/README.md b/lintcheck/README.md index 37cc04538094..61b581ba0fae 100644 --- a/lintcheck/README.md +++ b/lintcheck/README.md @@ -1,6 +1,6 @@ ## `cargo lintcheck` -Runs clippy on a fixed set of crates read from +Runs Clippy on a fixed set of crates read from `lintcheck/lintcheck_crates.toml` and saves logs of the lint warnings into the repo. We can then check the diff and spot new or disappearing warnings. @@ -84,7 +84,7 @@ This lets us spot bad suggestions or false positives automatically in some cases > Note: Fix mode implies `--all-targets`, so it can fix as much code as it can. -Please note that the target dir should be cleaned afterwards since clippy will modify +Please note that the target dir should be cleaned afterwards since Clippy will modify the downloaded sources which can lead to unexpected results when running lintcheck again afterwards. ### Recursive mode From 0a11dcfdf4bd108579093dbe5ecb74481b273035 Mon Sep 17 00:00:00 2001 From: Weihang Lo Date: Mon, 3 Jun 2024 11:41:31 -0400 Subject: [PATCH 0915/1716] feat(opt-dist): new flag `--benchmark-cargo-config` The flag propagates cargo configs to `rustc-perf --cargo-config`, which is particularly useful when the environment is air-gapped, and you want to use the default set of training crates vendored in the rustc-src tarball. --- src/tools/opt-dist/src/environment.rs | 7 +++++++ src/tools/opt-dist/src/main.rs | 6 ++++++ src/tools/opt-dist/src/training.rs | 14 ++++++++++++-- 3 files changed, 25 insertions(+), 2 deletions(-) diff --git a/src/tools/opt-dist/src/environment.rs b/src/tools/opt-dist/src/environment.rs index ff782a1687e2..bc01b7fb8a37 100644 --- a/src/tools/opt-dist/src/environment.rs +++ b/src/tools/opt-dist/src/environment.rs @@ -17,6 +17,9 @@ pub struct Environment { host_llvm_dir: Utf8PathBuf, /// List of test paths that should be skipped when testing the optimized artifacts. skipped_tests: Vec, + /// Arguments passed to `rustc-perf --cargo-config ` when running benchmarks. + #[builder(default)] + benchmark_cargo_config: Vec, /// Directory containing a pre-built rustc-perf checkout. #[builder(default)] prebuilt_rustc_perf: Option, @@ -94,6 +97,10 @@ impl Environment { pub fn skipped_tests(&self) -> &[String] { &self.skipped_tests } + + pub fn benchmark_cargo_config(&self) -> &[String] { + &self.benchmark_cargo_config + } } /// What is the extension of binary executables on this platform? diff --git a/src/tools/opt-dist/src/main.rs b/src/tools/opt-dist/src/main.rs index a709076f2458..e4271a6e2dd9 100644 --- a/src/tools/opt-dist/src/main.rs +++ b/src/tools/opt-dist/src/main.rs @@ -90,6 +90,10 @@ enum EnvironmentCmd { #[clap(flatten)] shared: SharedArgs, + + /// Arguments passed to `rustc-perf --cargo-config ` when running benchmarks. + #[arg(long)] + benchmark_cargo_config: Vec, }, /// Perform an optimized build on Linux CI, from inside Docker. LinuxCi { @@ -119,6 +123,7 @@ fn create_environment(args: Args) -> anyhow::Result<(Environment, Vec)> llvm_shared, use_bolt, skipped_tests, + benchmark_cargo_config, shared, } => { let env = EnvironmentBuilder::default() @@ -132,6 +137,7 @@ fn create_environment(args: Args) -> anyhow::Result<(Environment, Vec)> .shared_llvm(llvm_shared) .use_bolt(use_bolt) .skipped_tests(skipped_tests) + .benchmark_cargo_config(benchmark_cargo_config) .build()?; (env, shared.build_args) diff --git a/src/tools/opt-dist/src/training.rs b/src/tools/opt-dist/src/training.rs index 46040e32a039..09263dc645e2 100644 --- a/src/tools/opt-dist/src/training.rs +++ b/src/tools/opt-dist/src/training.rs @@ -36,7 +36,7 @@ fn init_compiler_benchmarks( // Run rustc-perf benchmarks // Benchmark using profile_local with eprintln, which essentially just means // don't actually benchmark -- just make sure we run rustc a bunch of times. - cmd(&[ + let mut cmd = cmd(&[ env.cargo_stage_0().as_str(), "run", "-p", @@ -61,7 +61,17 @@ fn init_compiler_benchmarks( .env("RUST_LOG", "collector=debug") .env("RUSTC", env.rustc_stage_0().as_str()) .env("RUSTC_BOOTSTRAP", "1") - .workdir(&env.rustc_perf_dir()) + .workdir(&env.rustc_perf_dir()); + + // This propagates cargo configs to `rustc-perf --cargo-config`, + // which is particularly useful when the environment is air-gapped, + // and you want to use the default set of training crates vendored + // in the rustc-src tarball. + for config in env.benchmark_cargo_config() { + cmd = cmd.arg("--cargo-config").arg(config); + } + + cmd } /// Describes which `llvm-profdata` binary should be used for merging PGO profiles. From 5875f3fff39055f7e99b891bd18576f4edee4c92 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Mon, 3 Jun 2024 15:59:31 +1000 Subject: [PATCH 0916/1716] Explain why `tests/pretty/` is unformatted. --- rustfmt.toml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/rustfmt.toml b/rustfmt.toml index 998bcb983540..7cc029d2776d 100644 --- a/rustfmt.toml +++ b/rustfmt.toml @@ -15,7 +15,7 @@ ignore = [ "/tests/crashes/", # Many of these tests contain syntax errors. "/tests/debuginfo/", # These tests are somewhat sensitive to source code layout. "/tests/incremental/", # These tests are somewhat sensitive to source code layout. - "/tests/pretty/", + "/tests/pretty/", # These tests are very sensitive to source code layout. "/tests/run-make/translation/test.rs", # This test contains syntax errors. "/tests/run-make-fulldeps/", "/tests/run-pass-valgrind/", From d161d06241af26d13ee22bddbfbd4e0e9c562757 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Mon, 3 Jun 2024 16:03:45 +1000 Subject: [PATCH 0917/1716] rustfmt `tests/run-make-fulldeps/`. Note: I inserted blank lines between the items in `pretty-expanded/input.rs` because it looked better that way. --- rustfmt.toml | 1 - .../hotplug_codegen_backend/the_backend.rs | 9 ++++-- .../pretty-expanded/input.rs | 29 +++++++++++++++---- 3 files changed, 30 insertions(+), 9 deletions(-) diff --git a/rustfmt.toml b/rustfmt.toml index 7cc029d2776d..91abd35d7483 100644 --- a/rustfmt.toml +++ b/rustfmt.toml @@ -17,7 +17,6 @@ ignore = [ "/tests/incremental/", # These tests are somewhat sensitive to source code layout. "/tests/pretty/", # These tests are very sensitive to source code layout. "/tests/run-make/translation/test.rs", # This test contains syntax errors. - "/tests/run-make-fulldeps/", "/tests/run-pass-valgrind/", "/tests/rustdoc/", "/tests/rustdoc-gui/", diff --git a/tests/run-make-fulldeps/hotplug_codegen_backend/the_backend.rs b/tests/run-make-fulldeps/hotplug_codegen_backend/the_backend.rs index 28a1e27ccccc..07466440aabf 100644 --- a/tests/run-make-fulldeps/hotplug_codegen_backend/the_backend.rs +++ b/tests/run-make-fulldeps/hotplug_codegen_backend/the_backend.rs @@ -27,7 +27,9 @@ use std::any::Any; struct TheBackend; impl CodegenBackend for TheBackend { - fn locale_resource(&self) -> &'static str { "" } + fn locale_resource(&self) -> &'static str { + "" + } fn codegen_crate<'a, 'tcx>( &self, @@ -62,7 +64,10 @@ impl CodegenBackend for TheBackend { codegen_results: CodegenResults, outputs: &OutputFilenames, ) -> Result<(), ErrorGuaranteed> { - use rustc_session::{config::{CrateType, OutFileName}, output::out_filename}; + use rustc_session::{ + config::{CrateType, OutFileName}, + output::out_filename, + }; use std::io::Write; let crate_name = codegen_results.crate_info.local_crate_name; for &crate_type in sess.opts.crate_types.iter() { diff --git a/tests/run-make-fulldeps/pretty-expanded/input.rs b/tests/run-make-fulldeps/pretty-expanded/input.rs index 02b235068a1d..64ed97572ee9 100644 --- a/tests/run-make-fulldeps/pretty-expanded/input.rs +++ b/tests/run-make-fulldeps/pretty-expanded/input.rs @@ -1,8 +1,25 @@ // #13544 -#[derive(Debug)] pub struct A; -#[derive(Debug)] pub struct B(isize); -#[derive(Debug)] pub struct C { x: isize } -#[derive(Debug)] pub enum D {} -#[derive(Debug)] pub enum E { y } -#[derive(Debug)] pub enum F { z(isize) } +#[derive(Debug)] +pub struct A; + +#[derive(Debug)] +pub struct B(isize); + +#[derive(Debug)] +pub struct C { + x: isize, +} + +#[derive(Debug)] +pub enum D {} + +#[derive(Debug)] +pub enum E { + y, +} + +#[derive(Debug)] +pub enum F { + z(isize), +} From a78e1202dd4096e95f118fae833949d0b028c753 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Mon, 3 Jun 2024 16:06:52 +1000 Subject: [PATCH 0918/1716] rustfmt `tests/run-pass-valgrind/`. --- rustfmt.toml | 1 - tests/run-pass-valgrind/cast-enum-with-dtor.rs | 6 +++--- .../run-pass-valgrind/cleanup-auto-borrow-obj.rs | 9 ++++++--- tests/run-pass-valgrind/coerce-match-calls.rs | 10 ++++++++-- tests/run-pass-valgrind/coerce-match.rs | 15 ++++++++++++--- tests/run-pass-valgrind/down-with-thread-dtors.rs | 8 ++++++-- tests/run-pass-valgrind/dst-dtor-1.rs | 10 +++++++--- tests/run-pass-valgrind/dst-dtor-2.rs | 6 ++++-- tests/run-pass-valgrind/dst-dtor-3.rs | 8 ++++++-- tests/run-pass-valgrind/dst-dtor-4.rs | 4 +++- .../by-value-trait-objects-rust-call.rs | 1 - .../by-value-trait-objects-rust-call2.rs | 5 ++--- .../unsized-locals/by-value-trait-objects.rs | 1 - 13 files changed, 57 insertions(+), 27 deletions(-) diff --git a/rustfmt.toml b/rustfmt.toml index 91abd35d7483..0e788e92455f 100644 --- a/rustfmt.toml +++ b/rustfmt.toml @@ -17,7 +17,6 @@ ignore = [ "/tests/incremental/", # These tests are somewhat sensitive to source code layout. "/tests/pretty/", # These tests are very sensitive to source code layout. "/tests/run-make/translation/test.rs", # This test contains syntax errors. - "/tests/run-pass-valgrind/", "/tests/rustdoc/", "/tests/rustdoc-gui/", "/tests/rustdoc-js/", diff --git a/tests/run-pass-valgrind/cast-enum-with-dtor.rs b/tests/run-pass-valgrind/cast-enum-with-dtor.rs index f7ef92df8fbe..a57dc3734789 100644 --- a/tests/run-pass-valgrind/cast-enum-with-dtor.rs +++ b/tests/run-pass-valgrind/cast-enum-with-dtor.rs @@ -2,14 +2,14 @@ // check dtor calling order when casting enums. +use std::mem; use std::sync::atomic; use std::sync::atomic::Ordering; -use std::mem; enum E { A = 0, B = 1, - C = 2 + C = 2, } static FLAG: atomic::AtomicUsize = atomic::AtomicUsize::new(0); @@ -19,7 +19,7 @@ impl Drop for E { // avoid dtor loop unsafe { mem::forget(mem::replace(self, E::B)) }; - FLAG.store(FLAG.load(Ordering::SeqCst)+1, Ordering::SeqCst); + FLAG.store(FLAG.load(Ordering::SeqCst) + 1, Ordering::SeqCst); } } diff --git a/tests/run-pass-valgrind/cleanup-auto-borrow-obj.rs b/tests/run-pass-valgrind/cleanup-auto-borrow-obj.rs index dfc094abeb9b..e4ce80b33059 100644 --- a/tests/run-pass-valgrind/cleanup-auto-borrow-obj.rs +++ b/tests/run-pass-valgrind/cleanup-auto-borrow-obj.rs @@ -7,12 +7,15 @@ static mut DROP_RAN: bool = false; struct Foo; impl Drop for Foo { fn drop(&mut self) { - unsafe { DROP_RAN = true; } + unsafe { + DROP_RAN = true; + } } } - -trait Trait { fn dummy(&self) { } } +trait Trait { + fn dummy(&self) {} +} impl Trait for Foo {} pub fn main() { diff --git a/tests/run-pass-valgrind/coerce-match-calls.rs b/tests/run-pass-valgrind/coerce-match-calls.rs index f6c7151ff103..8c7375610dd7 100644 --- a/tests/run-pass-valgrind/coerce-match-calls.rs +++ b/tests/run-pass-valgrind/coerce-match-calls.rs @@ -7,9 +7,15 @@ use std::boxed::Box; pub fn main() { let _: Box<[isize]> = if true { Box::new([1, 2, 3]) } else { Box::new([1]) }; - let _: Box<[isize]> = match true { true => Box::new([1, 2, 3]), false => Box::new([1]) }; + let _: Box<[isize]> = match true { + true => Box::new([1, 2, 3]), + false => Box::new([1]), + }; // Check we don't get over-keen at propagating coercions in the case of casts. let x = if true { 42 } else { 42u8 } as u16; - let x = match true { true => 42, false => 42u8 } as u16; + let x = match true { + true => 42, + false => 42u8, + } as u16; } diff --git a/tests/run-pass-valgrind/coerce-match.rs b/tests/run-pass-valgrind/coerce-match.rs index 3f33264c5a80..95f16a8cc896 100644 --- a/tests/run-pass-valgrind/coerce-match.rs +++ b/tests/run-pass-valgrind/coerce-match.rs @@ -12,11 +12,20 @@ pub fn main() { }; let _: Box<[isize]> = match true { - true => { let b: Box<_> = Box::new([1, 2, 3]); b } - false => { let b: Box<_> = Box::new([1]); b } + true => { + let b: Box<_> = Box::new([1, 2, 3]); + b + } + false => { + let b: Box<_> = Box::new([1]); + b + } }; // Check we don't get over-keen at propagating coercions in the case of casts. let x = if true { 42 } else { 42u8 } as u16; - let x = match true { true => 42, false => 42u8 } as u16; + let x = match true { + true => 42, + false => 42u8, + } as u16; } diff --git a/tests/run-pass-valgrind/down-with-thread-dtors.rs b/tests/run-pass-valgrind/down-with-thread-dtors.rs index 15aeac98c667..0d3745bba5ba 100644 --- a/tests/run-pass-valgrind/down-with-thread-dtors.rs +++ b/tests/run-pass-valgrind/down-with-thread-dtors.rs @@ -27,13 +27,17 @@ impl Drop for Bar { impl Drop for Baz { fn drop(&mut self) { - unsafe { HIT = true; } + unsafe { + HIT = true; + } } } fn main() { std::thread::spawn(|| { FOO.with(|_| {}); - }).join().unwrap(); + }) + .join() + .unwrap(); assert!(unsafe { HIT }); } diff --git a/tests/run-pass-valgrind/dst-dtor-1.rs b/tests/run-pass-valgrind/dst-dtor-1.rs index 5b8433f61456..47065151a037 100644 --- a/tests/run-pass-valgrind/dst-dtor-1.rs +++ b/tests/run-pass-valgrind/dst-dtor-1.rs @@ -3,15 +3,19 @@ static mut DROP_RAN: bool = false; struct Foo; impl Drop for Foo { fn drop(&mut self) { - unsafe { DROP_RAN = true; } + unsafe { + DROP_RAN = true; + } } } -trait Trait { fn dummy(&self) { } } +trait Trait { + fn dummy(&self) {} +} impl Trait for Foo {} struct Fat { - f: T + f: T, } pub fn main() { diff --git a/tests/run-pass-valgrind/dst-dtor-2.rs b/tests/run-pass-valgrind/dst-dtor-2.rs index 991fe00950bb..d8abebfb4473 100644 --- a/tests/run-pass-valgrind/dst-dtor-2.rs +++ b/tests/run-pass-valgrind/dst-dtor-2.rs @@ -3,12 +3,14 @@ static mut DROP_RAN: isize = 0; struct Foo; impl Drop for Foo { fn drop(&mut self) { - unsafe { DROP_RAN += 1; } + unsafe { + DROP_RAN += 1; + } } } struct Fat { - f: T + f: T, } pub fn main() { diff --git a/tests/run-pass-valgrind/dst-dtor-3.rs b/tests/run-pass-valgrind/dst-dtor-3.rs index f0c2dda5ab05..09adaca21c71 100644 --- a/tests/run-pass-valgrind/dst-dtor-3.rs +++ b/tests/run-pass-valgrind/dst-dtor-3.rs @@ -5,11 +5,15 @@ static mut DROP_RAN: bool = false; struct Foo; impl Drop for Foo { fn drop(&mut self) { - unsafe { DROP_RAN = true; } + unsafe { + DROP_RAN = true; + } } } -trait Trait { fn dummy(&self) { } } +trait Trait { + fn dummy(&self) {} +} impl Trait for Foo {} pub fn main() { diff --git a/tests/run-pass-valgrind/dst-dtor-4.rs b/tests/run-pass-valgrind/dst-dtor-4.rs index ad6d46f7c088..a66ac8e3cfca 100644 --- a/tests/run-pass-valgrind/dst-dtor-4.rs +++ b/tests/run-pass-valgrind/dst-dtor-4.rs @@ -5,7 +5,9 @@ static mut DROP_RAN: isize = 0; struct Foo; impl Drop for Foo { fn drop(&mut self) { - unsafe { DROP_RAN += 1; } + unsafe { + DROP_RAN += 1; + } } } diff --git a/tests/run-pass-valgrind/unsized-locals/by-value-trait-objects-rust-call.rs b/tests/run-pass-valgrind/unsized-locals/by-value-trait-objects-rust-call.rs index ece4dea9aaf6..5d3f558a63a9 100644 --- a/tests/run-pass-valgrind/unsized-locals/by-value-trait-objects-rust-call.rs +++ b/tests/run-pass-valgrind/unsized-locals/by-value-trait-objects-rust-call.rs @@ -43,7 +43,6 @@ impl FnOnce<()> for D { } } - fn main() { let x = *(Box::new(A) as Box>); assert_eq!(x.call_once(()), format!("hello")); diff --git a/tests/run-pass-valgrind/unsized-locals/by-value-trait-objects-rust-call2.rs b/tests/run-pass-valgrind/unsized-locals/by-value-trait-objects-rust-call2.rs index 94df2b0b83f0..9b6648f2e27a 100644 --- a/tests/run-pass-valgrind/unsized-locals/by-value-trait-objects-rust-call2.rs +++ b/tests/run-pass-valgrind/unsized-locals/by-value-trait-objects-rust-call2.rs @@ -51,7 +51,6 @@ impl FnOnce<(String, Box)> for D { } } - fn main() { let (s1, s2) = (format!("s1"), format!("s2").into_boxed_str()); let x = *(Box::new(A) as Box), Output = String>>); @@ -61,10 +60,10 @@ fn main() { assert_eq!(x.call_once((s1, s2)), format!("42")); let (s1, s2) = (format!("s1"), format!("s2").into_boxed_str()); let x = *(Box::new(C(format!("jumping fox"))) - as Box), Output = String>>); + as Box), Output = String>>); assert_eq!(x.call_once((s1, s2)), format!("jumping fox")); let (s1, s2) = (format!("s1"), format!("s2").into_boxed_str()); let x = *(Box::new(D(Box::new(format!("lazy dog")))) - as Box), Output = String>>); + as Box), Output = String>>); assert_eq!(x.call_once((s1, s2)), format!("lazy dog")); } diff --git a/tests/run-pass-valgrind/unsized-locals/by-value-trait-objects.rs b/tests/run-pass-valgrind/unsized-locals/by-value-trait-objects.rs index 3d67101e734c..3f6b6d262b5d 100644 --- a/tests/run-pass-valgrind/unsized-locals/by-value-trait-objects.rs +++ b/tests/run-pass-valgrind/unsized-locals/by-value-trait-objects.rs @@ -36,7 +36,6 @@ impl Foo for D { } } - fn main() { let x = *(Box::new(A) as Box); assert_eq!(x.foo(), format!("hello")); From e372bf8e337b3b30431adff7279711debf07ca7d Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Mon, 3 Jun 2024 17:30:09 +1000 Subject: [PATCH 0919/1716] Explain why `tests/rustdoc/` is unformatted. --- rustfmt.toml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/rustfmt.toml b/rustfmt.toml index 0e788e92455f..dffb7bb67f3c 100644 --- a/rustfmt.toml +++ b/rustfmt.toml @@ -17,7 +17,7 @@ ignore = [ "/tests/incremental/", # These tests are somewhat sensitive to source code layout. "/tests/pretty/", # These tests are very sensitive to source code layout. "/tests/run-make/translation/test.rs", # This test contains syntax errors. - "/tests/rustdoc/", + "/tests/rustdoc/", # Some have syntax errors, some are whitespace-sensitive. "/tests/rustdoc-gui/", "/tests/rustdoc-js/", "/tests/rustdoc-json/", From 8f0862544327d5419a158c9483ed905d3fb55bf2 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sun, 2 Jun 2024 21:19:11 -0400 Subject: [PATCH 0920/1716] Remove a bunch of redundant args from report_method_error --- compiler/rustc_hir_typeck/src/expr.rs | 31 +++++----- .../rustc_hir_typeck/src/fn_ctxt/_impl.rs | 10 +--- compiler/rustc_hir_typeck/src/method/mod.rs | 1 - .../rustc_hir_typeck/src/method/suggest.rs | 58 ++++++++++++------- compiler/rustc_hir_typeck/src/pat.rs | 8 +-- tests/ui/issues/issue-28344.stderr | 2 +- tests/ui/resolve/issue-82865.stderr | 7 --- tests/ui/traits/item-privacy.stderr | 9 +-- 8 files changed, 64 insertions(+), 62 deletions(-) diff --git a/compiler/rustc_hir_typeck/src/expr.rs b/compiler/rustc_hir_typeck/src/expr.rs index 3d88c4255245..386f4c3af688 100644 --- a/compiler/rustc_hir_typeck/src/expr.rs +++ b/compiler/rustc_hir_typeck/src/expr.rs @@ -13,7 +13,6 @@ use crate::errors::{ YieldExprOutsideOfCoroutine, }; use crate::fatally_break_rust; -use crate::method::SelfSource; use crate::type_error_struct; use crate::CoroutineTypes; use crate::Expectation::{self, ExpectCastableToType, ExpectHasType, NoExpectation}; @@ -507,7 +506,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ) -> Ty<'tcx> { let tcx = self.tcx; let (res, opt_ty, segs) = - self.resolve_ty_and_res_fully_qualified_call(qpath, expr.hir_id, expr.span, Some(args)); + self.resolve_ty_and_res_fully_qualified_call(qpath, expr.hir_id, expr.span); let ty = match res { Res::Err => { self.suggest_assoc_method_call(segs); @@ -1331,9 +1330,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let rcvr_t = self.check_expr(rcvr); // no need to check for bot/err -- callee does that let rcvr_t = self.structurally_resolve_type(rcvr.span, rcvr_t); - let span = segment.ident.span; - let method = match self.lookup_method(rcvr_t, segment, span, expr, rcvr, args) { + let method = match self.lookup_method(rcvr_t, segment, segment.ident.span, expr, rcvr, args) + { Ok(method) => { // We could add a "consider `foo::`" suggestion here, but I wasn't able to // trigger this codepath causing `structurally_resolve_type` to emit an error. @@ -1342,18 +1341,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } Err(error) => { if segment.ident.name != kw::Empty { - if let Some(err) = self.report_method_error( - span, - Some(rcvr), - rcvr_t, - segment.ident, - expr.hir_id, - SelfSource::MethodCall(rcvr), - error, - Some(args), - expected, - false, - ) { + if let Some(err) = + self.report_method_error(expr.hir_id, rcvr_t, error, expected, false) + { err.emit(); } } @@ -1362,7 +1352,14 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { }; // Call the generic checker. - self.check_method_argument_types(span, expr, method, args, DontTupleArguments, expected) + self.check_method_argument_types( + segment.ident.span, + expr, + method, + args, + DontTupleArguments, + expected, + ) } fn check_expr_cast( diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs index 0c10c67db8c3..3c36eab18cff 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs @@ -1,6 +1,6 @@ use crate::callee::{self, DeferredCallResolution}; use crate::errors::{self, CtorIsPrivate}; -use crate::method::{self, MethodCallee, SelfSource}; +use crate::method::{self, MethodCallee}; use crate::rvalue_scopes; use crate::{BreakableCtxt, Diverges, Expectation, FnCtxt, LoweredTy}; use rustc_data_structures::fx::FxHashSet; @@ -735,7 +735,6 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { qpath: &'tcx QPath<'tcx>, hir_id: HirId, span: Span, - args: Option<&'tcx [hir::Expr<'tcx>]>, ) -> (Res, Option>, &'tcx [hir::PathSegment<'tcx>]) { debug!( "resolve_ty_and_res_fully_qualified_call: qpath={:?} hir_id={:?} span={:?}", @@ -828,14 +827,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { if item_name.name != kw::Empty { if let Some(e) = self.report_method_error( - span, - None, - ty.normalized, - item_name, hir_id, - SelfSource::QPath(qself), + ty.normalized, error, - args, Expectation::NoExpectation, trait_missing_method && span.edition().at_least_rust_2021(), // emits missing method for trait only after edition 2021 ) { diff --git a/compiler/rustc_hir_typeck/src/method/mod.rs b/compiler/rustc_hir_typeck/src/method/mod.rs index 4165ccb1b80a..1f90d5e4c88a 100644 --- a/compiler/rustc_hir_typeck/src/method/mod.rs +++ b/compiler/rustc_hir_typeck/src/method/mod.rs @@ -7,7 +7,6 @@ mod prelude_edition_lints; pub mod probe; mod suggest; -pub use self::suggest::SelfSource; pub use self::MethodError::*; use crate::FnCtxt; diff --git a/compiler/rustc_hir_typeck/src/method/suggest.rs b/compiler/rustc_hir_typeck/src/method/suggest.rs index daaaf630f2c4..b3947e142b26 100644 --- a/compiler/rustc_hir_typeck/src/method/suggest.rs +++ b/compiler/rustc_hir_typeck/src/method/suggest.rs @@ -16,11 +16,11 @@ use rustc_data_structures::unord::UnordSet; use rustc_errors::{ codes::*, pluralize, struct_span_code_err, Applicability, Diag, MultiSpan, StashKey, }; -use rustc_hir as hir; use rustc_hir::def::DefKind; use rustc_hir::def_id::DefId; use rustc_hir::lang_items::LangItem; use rustc_hir::PathSegment; +use rustc_hir::{self as hir, HirId}; use rustc_hir::{ExprKind, Node, QPath}; use rustc_infer::infer::{self, RegionVariableOrigin}; use rustc_middle::bug; @@ -187,37 +187,56 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { #[instrument(level = "debug", skip(self))] pub fn report_method_error( &self, - span: Span, - rcvr_opt: Option<&'tcx hir::Expr<'tcx>>, + call_id: HirId, rcvr_ty: Ty<'tcx>, - item_name: Ident, - expr_id: hir::HirId, - source: SelfSource<'tcx>, error: MethodError<'tcx>, - args: Option<&'tcx [hir::Expr<'tcx>]>, expected: Expectation<'tcx>, trait_missing_method: bool, ) -> Option> { + let (span, sugg_span, source, item_name, args) = match self.tcx.hir_node(call_id) { + hir::Node::Expr(&hir::Expr { + kind: hir::ExprKind::MethodCall(segment, rcvr, args, _), + span, + .. + }) => { + (segment.ident.span, span, SelfSource::MethodCall(rcvr), segment.ident, Some(args)) + } + hir::Node::Expr(&hir::Expr { + kind: hir::ExprKind::Path(QPath::TypeRelative(rcvr, segment)), + span, + .. + }) + | hir::Node::Pat(&hir::Pat { + kind: + hir::PatKind::Path(QPath::TypeRelative(rcvr, segment)) + | hir::PatKind::Struct(QPath::TypeRelative(rcvr, segment), ..) + | hir::PatKind::TupleStruct(QPath::TypeRelative(rcvr, segment), ..), + span, + .. + }) => { + let args = match self.tcx.parent_hir_node(call_id) { + hir::Node::Expr(&hir::Expr { + kind: hir::ExprKind::Call(callee, args), .. + }) if callee.hir_id == call_id => Some(args), + _ => None, + }; + (segment.ident.span, span, SelfSource::QPath(rcvr), segment.ident, args) + } + node => unreachable!("{node:?}"), + }; + // Avoid suggestions when we don't know what's going on. if rcvr_ty.references_error() { return None; } - let sugg_span = if let SelfSource::MethodCall(expr) = source { - // Given `foo.bar(baz)`, `expr` is `bar`, but we want to point to the whole thing. - self.tcx.hir().expect_expr(self.tcx.parent_hir_id(expr.hir_id)).span - } else { - span - }; - match error { MethodError::NoMatch(mut no_match_data) => { return self.report_no_match_method_error( span, - rcvr_opt, rcvr_ty, item_name, - expr_id, + call_id, source, args, sugg_span, @@ -362,7 +381,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { pub fn suggest_use_shadowed_binding_with_method( &self, - rcvr_opt: Option<&'tcx hir::Expr<'tcx>>, + self_source: SelfSource<'tcx>, method_name: Ident, ty_str_reported: &str, err: &mut Diag<'_>, @@ -502,7 +521,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } } - if let Some(rcvr) = rcvr_opt + if let SelfSource::MethodCall(rcvr) = self_source && let hir::ExprKind::Path(QPath::Resolved(_, path)) = rcvr.kind && let hir::def::Res::Local(recv_id) = path.res && let Some(segment) = path.segments.first() @@ -548,7 +567,6 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { pub fn report_no_match_method_error( &self, mut span: Span, - rcvr_opt: Option<&'tcx hir::Expr<'tcx>>, rcvr_ty: Ty<'tcx>, item_name: Ident, expr_id: hir::HirId, @@ -658,7 +676,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { if is_method { self.suggest_use_shadowed_binding_with_method( - rcvr_opt, + source, item_name, &ty_str_reported, &mut err, diff --git a/compiler/rustc_hir_typeck/src/pat.rs b/compiler/rustc_hir_typeck/src/pat.rs index b37aba386196..93fb83fb3e4e 100644 --- a/compiler/rustc_hir_typeck/src/pat.rs +++ b/compiler/rustc_hir_typeck/src/pat.rs @@ -223,9 +223,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let PatInfo { binding_mode, max_ref_mutbl, top_info: ti, current_depth, .. } = pat_info; let path_res = match &pat.kind { - PatKind::Path(qpath) => Some( - self.resolve_ty_and_res_fully_qualified_call(qpath, pat.hir_id, pat.span, None), - ), + PatKind::Path(qpath) => { + Some(self.resolve_ty_and_res_fully_qualified_call(qpath, pat.hir_id, pat.span)) + } _ => None, }; let adjust_mode = self.calc_adjust_mode(pat, path_res.map(|(res, ..)| res)); @@ -1184,7 +1184,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // Resolve the path and check the definition for errors. let (res, opt_ty, segments) = - self.resolve_ty_and_res_fully_qualified_call(qpath, pat.hir_id, pat.span, None); + self.resolve_ty_and_res_fully_qualified_call(qpath, pat.hir_id, pat.span); if res == Res::Err { let e = tcx.dcx().span_delayed_bug(pat.span, "`Res::Err` but no error emitted"); self.set_tainted_by_errors(e); diff --git a/tests/ui/issues/issue-28344.stderr b/tests/ui/issues/issue-28344.stderr index ddc1027c16b8..d30fb3cfe58a 100644 --- a/tests/ui/issues/issue-28344.stderr +++ b/tests/ui/issues/issue-28344.stderr @@ -52,7 +52,7 @@ error[E0599]: no function or associated item named `bitor` found for trait objec LL | let g = BitXor::bitor; | ^^^^^ function or associated item not found in `dyn BitXor<_>` | -help: there is a method `bitxor` with a similar name, but with different arguments +help: there is a method `bitxor` with a similar name --> $SRC_DIR/core/src/ops/bit.rs:LL:COL error: aborting due to 4 previous errors; 2 warnings emitted diff --git a/tests/ui/resolve/issue-82865.stderr b/tests/ui/resolve/issue-82865.stderr index 9d0439d9d876..730fd6d60264 100644 --- a/tests/ui/resolve/issue-82865.stderr +++ b/tests/ui/resolve/issue-82865.stderr @@ -15,13 +15,6 @@ LL | Box::z LL | mac!(); | ------ in this macro invocation | -note: if you're trying to build a new `Box<_, _>` consider using one of the following associated functions: - Box::::new - Box::::new_uninit - Box::::new_zeroed - Box::::try_new - and 18 others - --> $SRC_DIR/alloc/src/boxed.rs:LL:COL = note: this error originates in the macro `mac` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to 2 previous errors diff --git a/tests/ui/traits/item-privacy.stderr b/tests/ui/traits/item-privacy.stderr index d08bb4745bf5..50b561dfd165 100644 --- a/tests/ui/traits/item-privacy.stderr +++ b/tests/ui/traits/item-privacy.stderr @@ -126,14 +126,15 @@ LL | S::B; | ^ associated item not found in `S` | = help: items from traits can only be used if the trait is in scope +help: there is a method `b` with a similar name + --> $DIR/item-privacy.rs:11:9 + | +LL | fn b(&self) { } + | ^^^^^^^^^^^ help: trait `B` which provides `B` is implemented but not in scope; perhaps you want to import it | LL + use assoc_const::B; | -help: there is a method `b` with a similar name - | -LL | S::b; - | ~ error[E0624]: associated constant `A` is private --> $DIR/item-privacy.rs:101:14 From e9957b922a8b81dc113e11c19a5ef93d1bdbdcf6 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sun, 2 Jun 2024 21:34:21 -0400 Subject: [PATCH 0921/1716] Stop passing empty args to check_expr_path --- compiler/rustc_hir_typeck/src/expr.rs | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/compiler/rustc_hir_typeck/src/expr.rs b/compiler/rustc_hir_typeck/src/expr.rs index 386f4c3af688..4cc936eed08c 100644 --- a/compiler/rustc_hir_typeck/src/expr.rs +++ b/compiler/rustc_hir_typeck/src/expr.rs @@ -222,7 +222,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let ty = ensure_sufficient_stack(|| match &expr.kind { hir::ExprKind::Path( qpath @ (hir::QPath::Resolved(..) | hir::QPath::TypeRelative(..)), - ) => self.check_expr_path(qpath, expr, args, call), + ) => self.check_expr_path(qpath, expr, Some(args), call), _ => self.check_expr_kind(expr, expected), }); let ty = self.resolve_vars_if_possible(ty); @@ -289,7 +289,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ExprKind::Path(QPath::LangItem(lang_item, _)) => { self.check_lang_item_path(lang_item, expr) } - ExprKind::Path(ref qpath) => self.check_expr_path(qpath, expr, &[], None), + ExprKind::Path(ref qpath) => self.check_expr_path(qpath, expr, None, None), ExprKind::InlineAsm(asm) => { // We defer some asm checks as we may not have resolved the input and output types yet (they may still be infer vars). self.deferred_asm_checks.borrow_mut().push((asm, expr.hir_id)); @@ -501,7 +501,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { &self, qpath: &'tcx hir::QPath<'tcx>, expr: &'tcx hir::Expr<'tcx>, - args: &'tcx [hir::Expr<'tcx>], + args: Option<&'tcx [hir::Expr<'tcx>]>, call: Option<&'tcx hir::Expr<'tcx>>, ) -> Ty<'tcx> { let tcx = self.tcx; @@ -563,7 +563,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // We just want to check sizedness, so instead of introducing // placeholder lifetimes with probing, we just replace higher lifetimes // with fresh vars. - let span = args.get(i).map(|a| a.span).unwrap_or(expr.span); + let span = args.and_then(|args| args.get(i)).map_or(expr.span, |arg| arg.span); let input = self.instantiate_binder_with_fresh_vars( span, infer::BoundRegionConversionTime::FnCall, From 273b990554fa2a7efdd975ccf2ef490c6c90cbaf Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Wed, 29 May 2024 22:23:49 -0400 Subject: [PATCH 0922/1716] Align Term methods with GenericArg methods --- .../rustc_codegen_ssa/src/debuginfo/type_names.rs | 2 +- .../src/check/compare_impl_item.rs | 2 +- .../src/check/compare_impl_item/refine.rs | 2 +- compiler/rustc_hir_analysis/src/check/mod.rs | 4 +++- compiler/rustc_hir_typeck/src/closure.rs | 4 ++-- compiler/rustc_hir_typeck/src/typeck_root_ctxt.rs | 2 +- .../rustc_infer/src/infer/error_reporting/mod.rs | 2 +- compiler/rustc_infer/src/infer/mod.rs | 4 ++-- .../rustc_lint/src/opaque_hidden_inferred_bound.rs | 2 +- compiler/rustc_middle/src/ty/mod.rs | 12 ++++++++++-- compiler/rustc_middle/src/ty/print/pretty.rs | 6 +++--- .../src/solve/assembly/structural_traits.rs | 2 +- .../src/solve/normalizes_to/opaque_types.rs | 2 +- .../rustc_trait_selection/src/traits/auto_trait.rs | 2 +- .../src/traits/error_reporting/suggestions.rs | 8 ++++---- .../rustc_trait_selection/src/traits/normalize.rs | 4 ++-- .../src/traits/select/candidate_assembly.rs | 2 +- compiler/rustc_trait_selection/src/traits/wf.rs | 2 +- compiler/rustc_traits/src/normalize_projection_ty.rs | 2 +- .../methods/iter_on_single_or_empty_collections.rs | 2 +- .../src/needless_borrows_for_generic_args.rs | 4 ++-- .../clippy_lints/src/unit_return_expecting_ord.rs | 4 ++-- src/tools/clippy/clippy_utils/src/ty.rs | 6 +++--- 23 files changed, 46 insertions(+), 36 deletions(-) diff --git a/compiler/rustc_codegen_ssa/src/debuginfo/type_names.rs b/compiler/rustc_codegen_ssa/src/debuginfo/type_names.rs index 07473ee476ba..2360cce55a99 100644 --- a/compiler/rustc_codegen_ssa/src/debuginfo/type_names.rs +++ b/compiler/rustc_codegen_ssa/src/debuginfo/type_names.rs @@ -263,7 +263,7 @@ fn push_debuginfo_type_name<'tcx>( let ExistentialProjection { def_id: item_def_id, term, .. } = tcx.instantiate_bound_regions_with_erased(bound); // FIXME(associated_const_equality): allow for consts here - (item_def_id, term.ty().unwrap()) + (item_def_id, term.expect_type()) }) .collect(); diff --git a/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs b/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs index f7bebc2697d7..74dcd672578e 100644 --- a/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs +++ b/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs @@ -2281,7 +2281,7 @@ fn try_report_async_mismatch<'tcx>( && let Some(proj) = proj.no_bound_vars() && infcx.can_eq( error.root_obligation.param_env, - proj.term.ty().unwrap(), + proj.term.expect_type(), impl_sig.output(), ) { diff --git a/compiler/rustc_hir_analysis/src/check/compare_impl_item/refine.rs b/compiler/rustc_hir_analysis/src/check/compare_impl_item/refine.rs index ca08eeea2275..10b097a1060f 100644 --- a/compiler/rustc_hir_analysis/src/check/compare_impl_item/refine.rs +++ b/compiler/rustc_hir_analysis/src/check/compare_impl_item/refine.rs @@ -267,7 +267,7 @@ fn report_mismatched_rpitit_signature<'tcx>( .explicit_item_bounds(future_ty.def_id) .iter_instantiated_copied(tcx, future_ty.args) .find_map(|(clause, _)| match clause.kind().no_bound_vars()? { - ty::ClauseKind::Projection(proj) => proj.term.ty(), + ty::ClauseKind::Projection(proj) => proj.term.as_type(), _ => None, }) else { diff --git a/compiler/rustc_hir_analysis/src/check/mod.rs b/compiler/rustc_hir_analysis/src/check/mod.rs index da66e1f34fd9..4d1b96d9c1ba 100644 --- a/compiler/rustc_hir_analysis/src/check/mod.rs +++ b/compiler/rustc_hir_analysis/src/check/mod.rs @@ -441,7 +441,9 @@ fn fn_sig_suggestion<'tcx>( output = if let ty::Alias(_, alias_ty) = *output.kind() { tcx.explicit_item_super_predicates(alias_ty.def_id) .iter_instantiated_copied(tcx, alias_ty.args) - .find_map(|(bound, _)| bound.as_projection_clause()?.no_bound_vars()?.term.ty()) + .find_map(|(bound, _)| { + bound.as_projection_clause()?.no_bound_vars()?.term.as_type() + }) .unwrap_or_else(|| { span_bug!( ident.span, diff --git a/compiler/rustc_hir_typeck/src/closure.rs b/compiler/rustc_hir_typeck/src/closure.rs index 14a6177141c9..ac7ed3e26f97 100644 --- a/compiler/rustc_hir_typeck/src/closure.rs +++ b/compiler/rustc_hir_typeck/src/closure.rs @@ -485,7 +485,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { }; // Since this is a return parameter type it is safe to unwrap. - let ret_param_ty = projection.skip_binder().term.ty().unwrap(); + let ret_param_ty = projection.skip_binder().term.expect_type(); let ret_param_ty = self.resolve_vars_if_possible(ret_param_ty); debug!(?ret_param_ty); @@ -956,7 +956,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let output_ty = self.resolve_vars_if_possible(predicate.term); debug!("deduce_future_output_from_projection: output_ty={:?}", output_ty); // This is a projection on a Fn trait so will always be a type. - Some(output_ty.ty().unwrap()) + Some(output_ty.expect_type()) } /// Converts the types that the user supplied, in case that doing diff --git a/compiler/rustc_hir_typeck/src/typeck_root_ctxt.rs b/compiler/rustc_hir_typeck/src/typeck_root_ctxt.rs index 0dfc5408f306..28745af3a530 100644 --- a/compiler/rustc_hir_typeck/src/typeck_root_ctxt.rs +++ b/compiler/rustc_hir_typeck/src/typeck_root_ctxt.rs @@ -160,7 +160,7 @@ impl<'tcx> TypeckRootCtxt<'tcx> { { // If the projection predicate (Foo::Bar == X) has X as a non-TyVid, // we need to make it into one. - if let Some(vid) = predicate.term.ty().and_then(|ty| ty.ty_vid()) { + if let Some(vid) = predicate.term.as_type().and_then(|ty| ty.ty_vid()) { debug!("infer_var_info: {:?}.output = true", vid); infer_var_info.entry(vid).or_default().output = true; } diff --git a/compiler/rustc_infer/src/infer/error_reporting/mod.rs b/compiler/rustc_infer/src/infer/error_reporting/mod.rs index 95fbc1e66cea..fe0a246abbc6 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/mod.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/mod.rs @@ -425,7 +425,7 @@ impl<'tcx> InferCtxt<'tcx> { ty::ClauseKind::Projection(projection_predicate) if projection_predicate.projection_term.def_id == item_def_id => { - projection_predicate.term.ty() + projection_predicate.term.as_type() } _ => None, }) diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs index 72c4e1b511e6..f46c596425be 100644 --- a/compiler/rustc_infer/src/infer/mod.rs +++ b/compiler/rustc_infer/src/infer/mod.rs @@ -424,8 +424,8 @@ pub enum ValuePairs<'tcx> { impl<'tcx> ValuePairs<'tcx> { pub fn ty(&self) -> Option<(Ty<'tcx>, Ty<'tcx>)> { if let ValuePairs::Terms(ExpectedFound { expected, found }) = self - && let Some(expected) = expected.ty() - && let Some(found) = found.ty() + && let Some(expected) = expected.as_type() + && let Some(found) = found.as_type() { Some((expected, found)) } else { diff --git a/compiler/rustc_lint/src/opaque_hidden_inferred_bound.rs b/compiler/rustc_lint/src/opaque_hidden_inferred_bound.rs index eda40e4a011a..6098da990c04 100644 --- a/compiler/rustc_lint/src/opaque_hidden_inferred_bound.rs +++ b/compiler/rustc_lint/src/opaque_hidden_inferred_bound.rs @@ -83,7 +83,7 @@ impl<'tcx> LateLintPass<'tcx> for OpaqueHiddenInferredBound { }; // Only check types, since those are the only things that may // have opaques in them anyways. - let Some(proj_term) = proj.term.ty() else { return }; + let Some(proj_term) = proj.term.as_type() else { return }; // HACK: `impl Trait` from an RPIT is "ok"... if let ty::Alias(ty::Opaque, opaque_ty) = *proj_term.kind() diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs index 2643ce976ded..3fdcb9669602 100644 --- a/compiler/rustc_middle/src/ty/mod.rs +++ b/compiler/rustc_middle/src/ty/mod.rs @@ -624,14 +624,22 @@ impl<'tcx> Term<'tcx> { } } - pub fn ty(&self) -> Option> { + pub fn as_type(&self) -> Option> { if let TermKind::Ty(ty) = self.unpack() { Some(ty) } else { None } } - pub fn ct(&self) -> Option> { + pub fn expect_type(&self) -> Ty<'tcx> { + self.as_type().expect("expected a type, but found a const") + } + + pub fn as_const(&self) -> Option> { if let TermKind::Const(c) = self.unpack() { Some(c) } else { None } } + pub fn expect_const(&self) -> Const<'tcx> { + self.as_const().expect("expected a const, but found a type") + } + pub fn into_arg(self) -> GenericArg<'tcx> { match self.unpack() { TermKind::Ty(ty) => ty.into(), diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs index 8fb4367d3b58..af7784d6b8ed 100644 --- a/compiler/rustc_middle/src/ty/print/pretty.rs +++ b/compiler/rustc_middle/src/ty/print/pretty.rs @@ -1077,7 +1077,7 @@ pub trait PrettyPrinter<'tcx>: Printer<'tcx> + fmt::Write { } p!(")"); - if let Some(ty) = return_ty.skip_binder().ty() { + if let Some(ty) = return_ty.skip_binder().as_type() { if !ty.is_unit() { p!(" -> ", print(return_ty)); } @@ -1144,7 +1144,7 @@ pub trait PrettyPrinter<'tcx>: Printer<'tcx> + fmt::Write { for (assoc_item_def_id, term) in assoc_items { // Skip printing `<{coroutine@} as Coroutine<_>>::Return` from async blocks, // unless we can find out what coroutine return type it comes from. - let term = if let Some(ty) = term.skip_binder().ty() + let term = if let Some(ty) = term.skip_binder().as_type() && let ty::Alias(ty::Projection, proj) = ty.kind() && let Some(assoc) = tcx.opt_associated_item(proj.def_id) && assoc.trait_container(tcx) == tcx.lang_items().coroutine_trait() @@ -1322,7 +1322,7 @@ pub trait PrettyPrinter<'tcx>: Printer<'tcx> + fmt::Write { p!(pretty_fn_sig( tys, false, - proj.skip_binder().term.ty().expect("Return type was a const") + proj.skip_binder().term.as_type().expect("Return type was a const") )); resugared = true; } diff --git a/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs b/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs index 48acf2a4e996..98f98d9992d3 100644 --- a/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs +++ b/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs @@ -726,7 +726,7 @@ impl<'tcx> TypeFolder> for ReplaceProjectionWith<'_, 'tcx> { ) .expect("expected to be able to unify goal projection with dyn's projection"), ); - proj.term.ty().unwrap() + proj.term.expect_type() } else { ty.super_fold_with(self) } diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/opaque_types.rs b/compiler/rustc_trait_selection/src/solve/normalizes_to/opaque_types.rs index 67ec2f3be481..82464470b2a2 100644 --- a/compiler/rustc_trait_selection/src/solve/normalizes_to/opaque_types.rs +++ b/compiler/rustc_trait_selection/src/solve/normalizes_to/opaque_types.rs @@ -17,7 +17,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { ) -> QueryResult<'tcx> { let tcx = self.interner(); let opaque_ty = goal.predicate.alias; - let expected = goal.predicate.term.ty().expect("no such thing as an opaque const"); + let expected = goal.predicate.term.as_type().expect("no such thing as an opaque const"); match (goal.param_env.reveal(), self.solver_mode()) { (Reveal::UserFacing, SolverMode::Normal) => { diff --git a/compiler/rustc_trait_selection/src/traits/auto_trait.rs b/compiler/rustc_trait_selection/src/traits/auto_trait.rs index 1ea207cc375f..6623a86e69ff 100644 --- a/compiler/rustc_trait_selection/src/traits/auto_trait.rs +++ b/compiler/rustc_trait_selection/src/traits/auto_trait.rs @@ -553,7 +553,7 @@ impl<'tcx> AutoTraitFinder<'tcx> { } fn is_self_referential_projection(&self, p: ty::PolyProjectionPredicate<'tcx>) -> bool { - if let Some(ty) = p.term().skip_binder().ty() { + if let Some(ty) = p.term().skip_binder().as_type() { matches!(ty.kind(), ty::Alias(ty::Projection, proj) if proj == &p.skip_binder().projection_term.expect_ty(self.tcx)) } else { false diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs index 3ee332951761..6a96a03e047f 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs @@ -1112,7 +1112,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { { Some(( DefIdOrName::DefId(def_id), - pred.kind().rebind(proj.term.ty().unwrap()), + pred.kind().rebind(proj.term.expect_type()), pred.kind().rebind(args.as_slice()), )) } else { @@ -1129,7 +1129,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { { Some(( DefIdOrName::Name("trait object"), - pred.rebind(proj.term.ty().unwrap()), + pred.rebind(proj.term.expect_type()), pred.rebind(args.as_slice()), )) } else { @@ -1157,7 +1157,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { { Some(( name, - pred.kind().rebind(proj.term.ty().unwrap()), + pred.kind().rebind(proj.term.expect_type()), pred.kind().rebind(args.as_slice()), )) } else { @@ -3840,7 +3840,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { }) } else if let Some(where_pred) = where_pred.as_projection_clause() && let Some(failed_pred) = failed_pred.as_projection_clause() - && let Some(found) = failed_pred.skip_binder().term.ty() + && let Some(found) = failed_pred.skip_binder().term.as_type() { type_diffs = vec![Sorts(ty::error::ExpectedFound { expected: where_pred diff --git a/compiler/rustc_trait_selection/src/traits/normalize.rs b/compiler/rustc_trait_selection/src/traits/normalize.rs index db30521d776a..e7ab0b7791c4 100644 --- a/compiler/rustc_trait_selection/src/traits/normalize.rs +++ b/compiler/rustc_trait_selection/src/traits/normalize.rs @@ -259,7 +259,7 @@ impl<'a, 'b, 'tcx> TypeFolder> for AssocTypeNormalizer<'a, 'b, 'tcx obligations.len = ?self.obligations.len(), "AssocTypeNormalizer: normalized type" ); - normalized_ty.ty().unwrap() + normalized_ty.expect_type() } ty::Projection => { @@ -289,7 +289,7 @@ impl<'a, 'b, 'tcx> TypeFolder> for AssocTypeNormalizer<'a, 'b, 'tcx ) .ok() .flatten() - .map(|term| term.ty().unwrap()) + .map(|term| term.expect_type()) .map(|normalized_ty| { PlaceholderReplacer::replace_placeholders( infcx, diff --git a/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs b/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs index d513a5d2996c..2b9c577e9894 100644 --- a/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs +++ b/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs @@ -946,7 +946,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { // since we don't actually use them. &mut vec![], ) - .ty() + .as_type() .unwrap(); if let ty::Dynamic(data, ..) = ty.kind() { data.principal() } else { None } diff --git a/compiler/rustc_trait_selection/src/traits/wf.rs b/compiler/rustc_trait_selection/src/traits/wf.rs index f4189ff09020..066755f7b3e7 100644 --- a/compiler/rustc_trait_selection/src/traits/wf.rs +++ b/compiler/rustc_trait_selection/src/traits/wf.rs @@ -286,7 +286,7 @@ fn extend_cause_with_original_assoc_item_obligation<'tcx>( // implemented, but rather from a "second order" obligation, where an associated // type has a projection coming from another associated type. // See `tests/ui/traits/assoc-type-in-superbad.rs` for an example. - if let Some(term_ty) = proj.term.ty() + if let Some(term_ty) = proj.term.as_type() && let Some(impl_item_span) = ty_to_impl_span(term_ty) { cause.span = impl_item_span; diff --git a/compiler/rustc_traits/src/normalize_projection_ty.rs b/compiler/rustc_traits/src/normalize_projection_ty.rs index b0a93b62dbf3..0430e0bb70eb 100644 --- a/compiler/rustc_traits/src/normalize_projection_ty.rs +++ b/compiler/rustc_traits/src/normalize_projection_ty.rs @@ -58,7 +58,7 @@ fn normalize_canonicalized_projection_ty<'tcx>( // FIXME(associated_const_equality): All users of normalize_canonicalized_projection_ty // expected a type, but there is the possibility it could've been a const now. // Maybe change it to a Term later? - Ok(NormalizationResult { normalized_ty: answer.ty().unwrap() }) + Ok(NormalizationResult { normalized_ty: answer.expect_type() }) }, ) } diff --git a/src/tools/clippy/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs b/src/tools/clippy/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs index f4397212cf66..7f6b666e434e 100644 --- a/src/tools/clippy/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs +++ b/src/tools/clippy/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs @@ -42,7 +42,7 @@ fn is_arg_ty_unified_in_fn<'tcx>( cx.tcx.predicates_of(fn_id).predicates.iter().any(|(clause, _)| { clause .as_projection_clause() - .and_then(|p| p.map_bound(|p| p.term.ty()).transpose()) + .and_then(|p| p.map_bound(|p| p.term.as_type()).transpose()) .is_some_and(|ty| ty.skip_binder() == arg_ty_in_args) }) || fn_sig .inputs() diff --git a/src/tools/clippy/clippy_lints/src/needless_borrows_for_generic_args.rs b/src/tools/clippy/clippy_lints/src/needless_borrows_for_generic_args.rs index 5b5e1c234245..4f99eaa40c29 100644 --- a/src/tools/clippy/clippy_lints/src/needless_borrows_for_generic_args.rs +++ b/src/tools/clippy/clippy_lints/src/needless_borrows_for_generic_args.rs @@ -311,7 +311,7 @@ fn is_mixed_projection_predicate<'tcx>( ) -> bool { let generics = cx.tcx.generics_of(callee_def_id); // The predicate requires the projected type to equal a type parameter from the parent context. - if let Some(term_ty) = projection_predicate.term.ty() + if let Some(term_ty) = projection_predicate.term.as_type() && let ty::Param(term_param_ty) = term_ty.kind() && (term_param_ty.index as usize) < generics.parent_count { @@ -370,7 +370,7 @@ fn replace_types<'tcx>( if replaced.insert(param_ty.index) { for projection_predicate in projection_predicates { if projection_predicate.projection_term.self_ty() == param_ty.to_ty(cx.tcx) - && let Some(term_ty) = projection_predicate.term.ty() + && let Some(term_ty) = projection_predicate.term.as_type() && let ty::Param(term_param_ty) = term_ty.kind() { let projection = projection_predicate diff --git a/src/tools/clippy/clippy_lints/src/unit_return_expecting_ord.rs b/src/tools/clippy/clippy_lints/src/unit_return_expecting_ord.rs index f0d1458a59b2..a8cc2f979633 100644 --- a/src/tools/clippy/clippy_lints/src/unit_return_expecting_ord.rs +++ b/src/tools/clippy/clippy_lints/src/unit_return_expecting_ord.rs @@ -100,12 +100,12 @@ fn get_args_to_check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) -> Ve { if ord_preds .iter() - .any(|ord| Some(ord.self_ty()) == return_ty_pred.term.ty()) + .any(|ord| Some(ord.self_ty()) == return_ty_pred.term.as_type()) { args_to_check.push((i, "Ord".to_string())); } else if partial_ord_preds .iter() - .any(|pord| pord.self_ty() == return_ty_pred.term.ty().unwrap()) + .any(|pord| pord.self_ty() == return_ty_pred.term.expect_type()) { args_to_check.push((i, "PartialOrd".to_string())); } diff --git a/src/tools/clippy/clippy_utils/src/ty.rs b/src/tools/clippy/clippy_utils/src/ty.rs index 3414b5ef680c..f0dac6f5d9c4 100644 --- a/src/tools/clippy/clippy_utils/src/ty.rs +++ b/src/tools/clippy/clippy_utils/src/ty.rs @@ -750,7 +750,7 @@ pub fn ty_sig<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> Option None, @@ -798,7 +798,7 @@ fn sig_from_bounds<'tcx>( // Multiple different fn trait impls. Is this even allowed? return None; } - output = Some(pred.kind().rebind(p.term.ty().unwrap())); + output = Some(pred.kind().rebind(p.term.expect_type())); }, _ => (), } @@ -836,7 +836,7 @@ fn sig_for_projection<'tcx>(cx: &LateContext<'tcx>, ty: AliasTy<'tcx>) -> Option // Multiple different fn trait impls. Is this even allowed? return None; } - output = pred.kind().rebind(p.term.ty()).transpose(); + output = pred.kind().rebind(p.term.as_type()).transpose(); }, _ => (), } From 9f4a2dd1475638fda91f5cf54650b55b320575fe Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Wed, 29 May 2024 22:23:49 -0400 Subject: [PATCH 0923/1716] Align Term methods with GenericArg methods --- .../src/methods/iter_on_single_or_empty_collections.rs | 2 +- clippy_lints/src/needless_borrows_for_generic_args.rs | 4 ++-- clippy_lints/src/unit_return_expecting_ord.rs | 4 ++-- clippy_utils/src/ty.rs | 6 +++--- 4 files changed, 8 insertions(+), 8 deletions(-) diff --git a/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs b/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs index f4397212cf66..7f6b666e434e 100644 --- a/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs +++ b/clippy_lints/src/methods/iter_on_single_or_empty_collections.rs @@ -42,7 +42,7 @@ fn is_arg_ty_unified_in_fn<'tcx>( cx.tcx.predicates_of(fn_id).predicates.iter().any(|(clause, _)| { clause .as_projection_clause() - .and_then(|p| p.map_bound(|p| p.term.ty()).transpose()) + .and_then(|p| p.map_bound(|p| p.term.as_type()).transpose()) .is_some_and(|ty| ty.skip_binder() == arg_ty_in_args) }) || fn_sig .inputs() diff --git a/clippy_lints/src/needless_borrows_for_generic_args.rs b/clippy_lints/src/needless_borrows_for_generic_args.rs index 5b5e1c234245..4f99eaa40c29 100644 --- a/clippy_lints/src/needless_borrows_for_generic_args.rs +++ b/clippy_lints/src/needless_borrows_for_generic_args.rs @@ -311,7 +311,7 @@ fn is_mixed_projection_predicate<'tcx>( ) -> bool { let generics = cx.tcx.generics_of(callee_def_id); // The predicate requires the projected type to equal a type parameter from the parent context. - if let Some(term_ty) = projection_predicate.term.ty() + if let Some(term_ty) = projection_predicate.term.as_type() && let ty::Param(term_param_ty) = term_ty.kind() && (term_param_ty.index as usize) < generics.parent_count { @@ -370,7 +370,7 @@ fn replace_types<'tcx>( if replaced.insert(param_ty.index) { for projection_predicate in projection_predicates { if projection_predicate.projection_term.self_ty() == param_ty.to_ty(cx.tcx) - && let Some(term_ty) = projection_predicate.term.ty() + && let Some(term_ty) = projection_predicate.term.as_type() && let ty::Param(term_param_ty) = term_ty.kind() { let projection = projection_predicate diff --git a/clippy_lints/src/unit_return_expecting_ord.rs b/clippy_lints/src/unit_return_expecting_ord.rs index f0d1458a59b2..a8cc2f979633 100644 --- a/clippy_lints/src/unit_return_expecting_ord.rs +++ b/clippy_lints/src/unit_return_expecting_ord.rs @@ -100,12 +100,12 @@ fn get_args_to_check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) -> Ve { if ord_preds .iter() - .any(|ord| Some(ord.self_ty()) == return_ty_pred.term.ty()) + .any(|ord| Some(ord.self_ty()) == return_ty_pred.term.as_type()) { args_to_check.push((i, "Ord".to_string())); } else if partial_ord_preds .iter() - .any(|pord| pord.self_ty() == return_ty_pred.term.ty().unwrap()) + .any(|pord| pord.self_ty() == return_ty_pred.term.expect_type()) { args_to_check.push((i, "PartialOrd".to_string())); } diff --git a/clippy_utils/src/ty.rs b/clippy_utils/src/ty.rs index 3414b5ef680c..f0dac6f5d9c4 100644 --- a/clippy_utils/src/ty.rs +++ b/clippy_utils/src/ty.rs @@ -750,7 +750,7 @@ pub fn ty_sig<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> Option None, @@ -798,7 +798,7 @@ fn sig_from_bounds<'tcx>( // Multiple different fn trait impls. Is this even allowed? return None; } - output = Some(pred.kind().rebind(p.term.ty().unwrap())); + output = Some(pred.kind().rebind(p.term.expect_type())); }, _ => (), } @@ -836,7 +836,7 @@ fn sig_for_projection<'tcx>(cx: &LateContext<'tcx>, ty: AliasTy<'tcx>) -> Option // Multiple different fn trait impls. Is this even allowed? return None; } - output = pred.kind().rebind(p.term.ty()).transpose(); + output = pred.kind().rebind(p.term.as_type()).transpose(); }, _ => (), } From b7a8f1f225db2fef723317a4bfb4cc649cc9ff84 Mon Sep 17 00:00:00 2001 From: Sergi-Ferrez Date: Tue, 4 Jun 2024 02:11:37 +0200 Subject: [PATCH 0924/1716] Include trailing commas in functions --- src/librustdoc/html/format.rs | 22 ++++++++++++---------- 1 file changed, 12 insertions(+), 10 deletions(-) diff --git a/src/librustdoc/html/format.rs b/src/librustdoc/html/format.rs index d20cef745ab0..de92fb80b938 100644 --- a/src/librustdoc/html/format.rs +++ b/src/librustdoc/html/format.rs @@ -1431,20 +1431,16 @@ impl clean::FnDecl { cx: &Context<'_>, ) -> fmt::Result { let amp = if f.alternate() { "&" } else { "&" }; - + write!(f, "(")?; if let Some(n) = line_wrapping_indent && !self.inputs.values.is_empty() { write!(f, "\n{}", Indent(n + 4))?; } + + let last_input_index = self.inputs.values.len() - 1; for (i, input) in self.inputs.values.iter().enumerate() { - if i > 0 { - match line_wrapping_indent { - None => write!(f, ", ")?, - Some(n) => write!(f, ",\n{}", Indent(n + 4))?, - }; - } if let Some(selfty) = input.to_self() { match selfty { clean::SelfValue => { @@ -1477,18 +1473,24 @@ impl clean::FnDecl { write!(f, "{}: ", input.name)?; input.type_.print(cx).fmt(f)?; } + match line_wrapping_indent { + None if i == last_input_index => (), + None => write!(f, ", ")?, + Some(_n) if i == last_input_index => write!(f, ",\n")?, + Some(n) => write!(f, ",\n{}", Indent(n + 4))?, + } } if self.c_variadic { match line_wrapping_indent { - None => write!(f, ", ...")?, - Some(n) => write!(f, "\n{}...", Indent(n + 4))?, + None => write!(f, "...")?, + Some(n) => write!(f, "{}...\n", Indent(n + 4))?, }; } match line_wrapping_indent { None => write!(f, ")")?, - Some(n) => write!(f, "\n{})", Indent(n))?, + Some(n) => write!(f, "{})", Indent(n))?, }; self.print_output(cx).fmt(f) From e609c9b2541fe337872b26af849223ec37aed50d Mon Sep 17 00:00:00 2001 From: Zalathar Date: Mon, 3 Jun 2024 16:57:17 +1000 Subject: [PATCH 0925/1716] Add unit tests for `Span::trim_start` --- compiler/rustc_span/src/tests.rs | 38 ++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/compiler/rustc_span/src/tests.rs b/compiler/rustc_span/src/tests.rs index cb88fa89058d..5c9dcc2a80fc 100644 --- a/compiler/rustc_span/src/tests.rs +++ b/compiler/rustc_span/src/tests.rs @@ -42,3 +42,41 @@ fn test_normalize_newlines() { check("\r\r\n", "\r\n", &[2]); check("hello\rworld", "hello\rworld", &[]); } + +#[test] +fn test_trim() { + let span = |lo: usize, hi: usize| { + Span::new(BytePos::from_usize(lo), BytePos::from_usize(hi), SyntaxContext::root(), None) + }; + + // Various positions, named for their relation to `start` and `end`. + let well_before = 1; + let before = 3; + let start = 5; + let mid = 7; + let end = 9; + let after = 11; + let well_after = 13; + + // The resulting span's context should be that of `self`, not `other`. + let other = span(start, end).with_ctxt(SyntaxContext::from_u32(999)); + + // Test cases for `trim_start`. + + assert_eq!(span(after, well_after).trim_start(other), Some(span(after, well_after))); + assert_eq!(span(end, well_after).trim_start(other), Some(span(end, well_after))); + assert_eq!(span(mid, well_after).trim_start(other), Some(span(end, well_after))); + assert_eq!(span(start, well_after).trim_start(other), Some(span(end, well_after))); + assert_eq!(span(before, well_after).trim_start(other), Some(span(end, well_after))); + + assert_eq!(span(mid, end).trim_start(other), None); + assert_eq!(span(start, end).trim_start(other), None); + assert_eq!(span(before, end).trim_start(other), None); + + assert_eq!(span(start, mid).trim_start(other), None); + assert_eq!(span(before, mid).trim_start(other), None); + + assert_eq!(span(before, start).trim_start(other), None); + + assert_eq!(span(well_before, before).trim_start(other), None); +} From df96cba432d9e869765385d6474b505494533435 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Mon, 3 Jun 2024 17:00:10 +1000 Subject: [PATCH 0926/1716] Add `Span::trim_end` This is the counterpart of `Span::trim_start`. --- compiler/rustc_span/src/lib.rs | 7 +++++++ compiler/rustc_span/src/tests.rs | 19 +++++++++++++++++++ 2 files changed, 26 insertions(+) diff --git a/compiler/rustc_span/src/lib.rs b/compiler/rustc_span/src/lib.rs index b2ca01fe3b94..82179a4a0586 100644 --- a/compiler/rustc_span/src/lib.rs +++ b/compiler/rustc_span/src/lib.rs @@ -682,6 +682,13 @@ impl Span { if span.hi > other.hi { Some(span.with_lo(cmp::max(span.lo, other.hi))) } else { None } } + /// Returns `Some(span)`, where the end is trimmed by the start of `other`. + pub fn trim_end(self, other: Span) -> Option { + let span = self.data(); + let other = other.data(); + if span.lo < other.lo { Some(span.with_hi(cmp::min(span.hi, other.lo))) } else { None } + } + /// Returns the source span -- this is either the supplied span, or the span for /// the macro callsite that expanded to it. pub fn source_callsite(self) -> Span { diff --git a/compiler/rustc_span/src/tests.rs b/compiler/rustc_span/src/tests.rs index 5c9dcc2a80fc..48fa786fb1c8 100644 --- a/compiler/rustc_span/src/tests.rs +++ b/compiler/rustc_span/src/tests.rs @@ -61,6 +61,25 @@ fn test_trim() { // The resulting span's context should be that of `self`, not `other`. let other = span(start, end).with_ctxt(SyntaxContext::from_u32(999)); + // Test cases for `trim_end`. + + assert_eq!(span(well_before, before).trim_end(other), Some(span(well_before, before))); + assert_eq!(span(well_before, start).trim_end(other), Some(span(well_before, start))); + assert_eq!(span(well_before, mid).trim_end(other), Some(span(well_before, start))); + assert_eq!(span(well_before, end).trim_end(other), Some(span(well_before, start))); + assert_eq!(span(well_before, after).trim_end(other), Some(span(well_before, start))); + + assert_eq!(span(start, mid).trim_end(other), None); + assert_eq!(span(start, end).trim_end(other), None); + assert_eq!(span(start, after).trim_end(other), None); + + assert_eq!(span(mid, end).trim_end(other), None); + assert_eq!(span(mid, after).trim_end(other), None); + + assert_eq!(span(end, after).trim_end(other), None); + + assert_eq!(span(after, well_after).trim_end(other), None); + // Test cases for `trim_start`. assert_eq!(span(after, well_after).trim_start(other), Some(span(after, well_after))); From 9c931c01f70d12d7296fead28b1c3dc417bb9372 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Mon, 3 Jun 2024 15:27:30 +1000 Subject: [PATCH 0927/1716] coverage: Return a nested vector from initial span extraction This will allow the span extractor to produce multiple separate buckets, instead of just one flat list of spans. --- .../rustc_mir_transform/src/coverage/spans.rs | 15 +++++++++------ .../src/coverage/spans/from_mir.rs | 4 ++-- 2 files changed, 11 insertions(+), 8 deletions(-) diff --git a/compiler/rustc_mir_transform/src/coverage/spans.rs b/compiler/rustc_mir_transform/src/coverage/spans.rs index f2f76ac70c20..b0bd514f6903 100644 --- a/compiler/rustc_mir_transform/src/coverage/spans.rs +++ b/compiler/rustc_mir_transform/src/coverage/spans.rs @@ -20,13 +20,16 @@ pub(super) fn extract_refined_covspans( basic_coverage_blocks: &CoverageGraph, code_mappings: &mut impl Extend, ) { - let sorted_spans = + let sorted_span_buckets = from_mir::mir_to_initial_sorted_coverage_spans(mir_body, hir_info, basic_coverage_blocks); - let coverage_spans = SpansRefiner::refine_sorted_spans(sorted_spans); - code_mappings.extend(coverage_spans.into_iter().map(|RefinedCovspan { bcb, span, .. }| { - // Each span produced by the generator represents an ordinary code region. - mappings::CodeMapping { span, bcb } - })); + for bucket in sorted_span_buckets { + let refined_spans = SpansRefiner::refine_sorted_spans(bucket); + code_mappings.extend(refined_spans.into_iter().map(|covspan| { + let RefinedCovspan { span, bcb, is_hole: _ } = covspan; + // Each span produced by the refiner represents an ordinary code region. + mappings::CodeMapping { span, bcb } + })); + } } #[derive(Debug)] diff --git a/compiler/rustc_mir_transform/src/coverage/spans/from_mir.rs b/compiler/rustc_mir_transform/src/coverage/spans/from_mir.rs index d1727a94a35e..8e4466a99718 100644 --- a/compiler/rustc_mir_transform/src/coverage/spans/from_mir.rs +++ b/compiler/rustc_mir_transform/src/coverage/spans/from_mir.rs @@ -23,7 +23,7 @@ pub(super) fn mir_to_initial_sorted_coverage_spans( mir_body: &mir::Body<'_>, hir_info: &ExtractedHirInfo, basic_coverage_blocks: &CoverageGraph, -) -> Vec { +) -> Vec> { let &ExtractedHirInfo { body_span, .. } = hir_info; let mut initial_spans = vec![]; @@ -67,7 +67,7 @@ pub(super) fn mir_to_initial_sorted_coverage_spans( // requires a lot more complexity in the span refiner, for little benefit.) initial_spans.dedup_by(|b, a| a.span.source_equal(b.span)); - initial_spans + vec![initial_spans] } /// Macros that expand into branches (e.g. `assert!`, `trace!`) tend to generate From 464dee24ffb1295d8dfb36455452b8658ae37878 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Mon, 3 Jun 2024 15:56:09 +1000 Subject: [PATCH 0928/1716] coverage: Build up initial spans by appending to a vector This is less elegant than returning an iterator, but more flexible. --- .../src/coverage/spans/from_mir.rs | 37 ++++++++++--------- 1 file changed, 20 insertions(+), 17 deletions(-) diff --git a/compiler/rustc_mir_transform/src/coverage/spans/from_mir.rs b/compiler/rustc_mir_transform/src/coverage/spans/from_mir.rs index 8e4466a99718..3fa37198732e 100644 --- a/compiler/rustc_mir_transform/src/coverage/spans/from_mir.rs +++ b/compiler/rustc_mir_transform/src/coverage/spans/from_mir.rs @@ -1,4 +1,3 @@ -use rustc_data_structures::captures::Captures; use rustc_data_structures::fx::FxHashSet; use rustc_middle::bug; use rustc_middle::mir::coverage::CoverageKind; @@ -29,7 +28,7 @@ pub(super) fn mir_to_initial_sorted_coverage_spans( let mut initial_spans = vec![]; for (bcb, bcb_data) in basic_coverage_blocks.iter_enumerated() { - initial_spans.extend(bcb_to_initial_coverage_spans(mir_body, body_span, bcb, bcb_data)); + bcb_to_initial_coverage_spans(mir_body, body_span, bcb, bcb_data, &mut initial_spans); } // Only add the signature span if we found at least one span in the body. @@ -135,8 +134,9 @@ fn bcb_to_initial_coverage_spans<'a, 'tcx>( body_span: Span, bcb: BasicCoverageBlock, bcb_data: &'a BasicCoverageBlockData, -) -> impl Iterator + Captures<'a> + Captures<'tcx> { - bcb_data.basic_blocks.iter().flat_map(move |&bb| { + initial_covspans: &mut Vec, +) { + for &bb in &bcb_data.basic_blocks { let data = &mir_body[bb]; let unexpand = move |expn_span| { @@ -146,24 +146,27 @@ fn bcb_to_initial_coverage_spans<'a, 'tcx>( .filter(|(span, _)| !span.source_equal(body_span)) }; - let statement_spans = data.statements.iter().filter_map(move |statement| { - let expn_span = filtered_statement_span(statement)?; - let (span, visible_macro) = unexpand(expn_span)?; + for statement in data.statements.iter() { + let _: Option<()> = try { + let expn_span = filtered_statement_span(statement)?; + let (span, visible_macro) = unexpand(expn_span)?; - // A statement that looks like the assignment of a closure expression - // is treated as a "hole" span, to be carved out of other spans. - Some(SpanFromMir::new(span, visible_macro, bcb, is_closure_like(statement))) - }); + // A statement that looks like the assignment of a closure expression + // is treated as a "hole" span, to be carved out of other spans. + let covspan = + SpanFromMir::new(span, visible_macro, bcb, is_closure_like(statement)); + initial_covspans.push(covspan); + }; + } - let terminator_span = Some(data.terminator()).into_iter().filter_map(move |terminator| { + let _: Option<()> = try { + let terminator = data.terminator(); let expn_span = filtered_terminator_span(terminator)?; let (span, visible_macro) = unexpand(expn_span)?; - Some(SpanFromMir::new(span, visible_macro, bcb, false)) - }); - - statement_spans.chain(terminator_span) - }) + initial_covspans.push(SpanFromMir::new(span, visible_macro, bcb, false)); + }; + } } fn is_closure_like(statement: &Statement<'_>) -> bool { From 6d1557f268f3dd5e7767ffdf7568856f659a3d57 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Mon, 3 Jun 2024 17:15:50 +1000 Subject: [PATCH 0929/1716] coverage: Use hole spans to carve up coverage spans into separate buckets This performs the same task as the hole-carving code in the main span refiner, but in a separate earlier pass. --- .../rustc_mir_transform/src/coverage/spans.rs | 2 +- .../src/coverage/spans/from_mir.rs | 199 +++++++++++++----- tests/coverage/closure_macro.cov-map | 8 +- tests/coverage/closure_macro_async.cov-map | 8 +- 4 files changed, 152 insertions(+), 65 deletions(-) diff --git a/compiler/rustc_mir_transform/src/coverage/spans.rs b/compiler/rustc_mir_transform/src/coverage/spans.rs index b0bd514f6903..9cda71cdd077 100644 --- a/compiler/rustc_mir_transform/src/coverage/spans.rs +++ b/compiler/rustc_mir_transform/src/coverage/spans.rs @@ -262,7 +262,7 @@ impl SpansRefiner { // a region of code, such as skipping past a hole. debug!(?prev, "prev.span starts after curr.span, so curr will be dropped"); } else { - self.some_curr = Some(CurrCovspan::new(curr.span, curr.bcb, curr.is_hole)); + self.some_curr = Some(CurrCovspan::new(curr.span, curr.bcb, false)); return true; } } diff --git a/compiler/rustc_mir_transform/src/coverage/spans/from_mir.rs b/compiler/rustc_mir_transform/src/coverage/spans/from_mir.rs index 3fa37198732e..b1f71035dded 100644 --- a/compiler/rustc_mir_transform/src/coverage/spans/from_mir.rs +++ b/compiler/rustc_mir_transform/src/coverage/spans/from_mir.rs @@ -1,3 +1,6 @@ +use std::collections::VecDeque; + +use rustc_data_structures::captures::Captures; use rustc_data_structures::fx::FxHashSet; use rustc_middle::bug; use rustc_middle::mir::coverage::CoverageKind; @@ -16,8 +19,11 @@ use crate::coverage::ExtractedHirInfo; /// spans, each associated with a node in the coverage graph (BCB) and possibly /// other metadata. /// -/// The returned spans are sorted in a specific order that is expected by the -/// subsequent span-refinement step. +/// The returned spans are divided into one or more buckets, such that: +/// - The spans in each bucket are strictly after all spans in previous buckets, +/// and strictly before all spans in subsequent buckets. +/// - The contents of each bucket are also sorted, in a specific order that is +/// expected by the subsequent span-refinement step. pub(super) fn mir_to_initial_sorted_coverage_spans( mir_body: &mir::Body<'_>, hir_info: &ExtractedHirInfo, @@ -26,13 +32,21 @@ pub(super) fn mir_to_initial_sorted_coverage_spans( let &ExtractedHirInfo { body_span, .. } = hir_info; let mut initial_spans = vec![]; + let mut holes = vec![]; for (bcb, bcb_data) in basic_coverage_blocks.iter_enumerated() { - bcb_to_initial_coverage_spans(mir_body, body_span, bcb, bcb_data, &mut initial_spans); + bcb_to_initial_coverage_spans( + mir_body, + body_span, + bcb, + bcb_data, + &mut initial_spans, + &mut holes, + ); } // Only add the signature span if we found at least one span in the body. - if !initial_spans.is_empty() { + if !initial_spans.is_empty() || !holes.is_empty() { // If there is no usable signature span, add a fake one (before refinement) // to avoid an ugly gap between the body start and the first real span. // FIXME: Find a more principled way to solve this problem. @@ -44,29 +58,82 @@ pub(super) fn mir_to_initial_sorted_coverage_spans( remove_unwanted_macro_spans(&mut initial_spans); split_visible_macro_spans(&mut initial_spans); - initial_spans.sort_by(|a, b| { - // First sort by span start. - Ord::cmp(&a.span.lo(), &b.span.lo()) - // If span starts are the same, sort by span end in reverse order. - // This ensures that if spans A and B are adjacent in the list, - // and they overlap but are not equal, then either: - // - Span A extends further left, or - // - Both have the same start and span A extends further right - .then_with(|| Ord::cmp(&a.span.hi(), &b.span.hi()).reverse()) - // If two spans have the same lo & hi, put hole spans first, - // as they take precedence over non-hole spans. - .then_with(|| Ord::cmp(&a.is_hole, &b.is_hole).reverse()) + let compare_covspans = |a: &SpanFromMir, b: &SpanFromMir| { + compare_spans(a.span, b.span) // After deduplication, we want to keep only the most-dominated BCB. .then_with(|| basic_coverage_blocks.cmp_in_dominator_order(a.bcb, b.bcb).reverse()) - }); + }; + initial_spans.sort_by(compare_covspans); - // Among covspans with the same span, keep only one. Hole spans take - // precedence, otherwise keep the one with the most-dominated BCB. + // Among covspans with the same span, keep only one, + // preferring the one with the most-dominated BCB. // (Ideally we should try to preserve _all_ non-dominating BCBs, but that // requires a lot more complexity in the span refiner, for little benefit.) initial_spans.dedup_by(|b, a| a.span.source_equal(b.span)); - vec![initial_spans] + // Sort the holes, and merge overlapping/adjacent holes. + holes.sort_by(|a, b| compare_spans(a.span, b.span)); + holes.dedup_by(|b, a| a.merge_if_overlapping_or_adjacent(b)); + + // Now we're ready to start carving holes out of the initial coverage spans, + // and grouping them in buckets separated by the holes. + + let mut initial_spans = VecDeque::from(initial_spans); + let mut fragments: Vec = vec![]; + + // For each hole: + // - Identify the spans that are entirely or partly before the hole. + // - Put those spans in a corresponding bucket, truncated to the start of the hole. + // - If one of those spans also extends after the hole, put the rest of it + // in a "fragments" vector that is processed by the next hole. + let mut buckets = (0..holes.len()).map(|_| vec![]).collect::>(); + for (hole, bucket) in holes.iter().zip(&mut buckets) { + let fragments_from_prev = std::mem::take(&mut fragments); + + // Only inspect spans that precede or overlap this hole, + // leaving the rest to be inspected by later holes. + // (This relies on the spans and holes both being sorted.) + let relevant_initial_spans = + drain_front_while(&mut initial_spans, |c| c.span.lo() < hole.span.hi()); + + for covspan in fragments_from_prev.into_iter().chain(relevant_initial_spans) { + let (before, after) = covspan.split_around_hole_span(hole.span); + bucket.extend(before); + fragments.extend(after); + } + } + + // After finding the spans before each hole, any remaining fragments/spans + // form their own final bucket, after the final hole. + // (If there were no holes, this will just be all of the initial spans.) + fragments.extend(initial_spans); + buckets.push(fragments); + + // Make sure each individual bucket is still internally sorted. + for bucket in &mut buckets { + bucket.sort_by(compare_covspans); + } + buckets +} + +fn compare_spans(a: Span, b: Span) -> std::cmp::Ordering { + // First sort by span start. + Ord::cmp(&a.lo(), &b.lo()) + // If span starts are the same, sort by span end in reverse order. + // This ensures that if spans A and B are adjacent in the list, + // and they overlap but are not equal, then either: + // - Span A extends further left, or + // - Both have the same start and span A extends further right + .then_with(|| Ord::cmp(&a.hi(), &b.hi()).reverse()) +} + +/// Similar to `.drain(..)`, but stops just before it would remove an item not +/// satisfying the predicate. +fn drain_front_while<'a, T>( + queue: &'a mut VecDeque, + mut pred_fn: impl FnMut(&T) -> bool, +) -> impl Iterator + Captures<'a> { + std::iter::from_fn(move || if pred_fn(queue.front()?) { queue.pop_front() } else { None }) } /// Macros that expand into branches (e.g. `assert!`, `trace!`) tend to generate @@ -79,8 +146,8 @@ pub(super) fn mir_to_initial_sorted_coverage_spans( fn remove_unwanted_macro_spans(initial_spans: &mut Vec) { let mut seen_macro_spans = FxHashSet::default(); initial_spans.retain(|covspan| { - // Ignore (retain) hole spans and non-macro-expansion spans. - if covspan.is_hole || covspan.visible_macro.is_none() { + // Ignore (retain) non-macro-expansion spans. + if covspan.visible_macro.is_none() { return true; } @@ -97,10 +164,6 @@ fn split_visible_macro_spans(initial_spans: &mut Vec) { let mut extra_spans = vec![]; initial_spans.retain(|covspan| { - if covspan.is_hole { - return true; - } - let Some(visible_macro) = covspan.visible_macro else { return true }; let split_len = visible_macro.as_str().len() as u32 + 1; @@ -113,9 +176,8 @@ fn split_visible_macro_spans(initial_spans: &mut Vec) { return true; } - assert!(!covspan.is_hole); - extra_spans.push(SpanFromMir::new(before, covspan.visible_macro, covspan.bcb, false)); - extra_spans.push(SpanFromMir::new(after, covspan.visible_macro, covspan.bcb, false)); + extra_spans.push(SpanFromMir::new(before, covspan.visible_macro, covspan.bcb)); + extra_spans.push(SpanFromMir::new(after, covspan.visible_macro, covspan.bcb)); false // Discard the original covspan that we just split. }); @@ -135,6 +197,7 @@ fn bcb_to_initial_coverage_spans<'a, 'tcx>( bcb: BasicCoverageBlock, bcb_data: &'a BasicCoverageBlockData, initial_covspans: &mut Vec, + holes: &mut Vec, ) { for &bb in &bcb_data.basic_blocks { let data = &mir_body[bb]; @@ -146,26 +209,31 @@ fn bcb_to_initial_coverage_spans<'a, 'tcx>( .filter(|(span, _)| !span.source_equal(body_span)) }; - for statement in data.statements.iter() { - let _: Option<()> = try { - let expn_span = filtered_statement_span(statement)?; - let (span, visible_macro) = unexpand(expn_span)?; + let mut extract_statement_span = |statement| { + let expn_span = filtered_statement_span(statement)?; + let (span, visible_macro) = unexpand(expn_span)?; - // A statement that looks like the assignment of a closure expression - // is treated as a "hole" span, to be carved out of other spans. - let covspan = - SpanFromMir::new(span, visible_macro, bcb, is_closure_like(statement)); - initial_covspans.push(covspan); - }; + // A statement that looks like the assignment of a closure expression + // is treated as a "hole" span, to be carved out of other spans. + if is_closure_like(statement) { + holes.push(Hole { span }); + } else { + initial_covspans.push(SpanFromMir::new(span, visible_macro, bcb)); + } + Some(()) + }; + for statement in data.statements.iter() { + extract_statement_span(statement); } - let _: Option<()> = try { - let terminator = data.terminator(); + let mut extract_terminator_span = |terminator| { let expn_span = filtered_terminator_span(terminator)?; let (span, visible_macro) = unexpand(expn_span)?; - initial_covspans.push(SpanFromMir::new(span, visible_macro, bcb, false)); + initial_covspans.push(SpanFromMir::new(span, visible_macro, bcb)); + Some(()) }; + extract_terminator_span(data.terminator()); } } @@ -333,6 +401,22 @@ fn unexpand_into_body_span_with_prev( Some((curr, prev)) } +#[derive(Debug)] +struct Hole { + span: Span, +} + +impl Hole { + fn merge_if_overlapping_or_adjacent(&mut self, other: &mut Self) -> bool { + if !self.span.overlaps_or_adjacent(other.span) { + return false; + } + + self.span = self.span.to(other.span); + true + } +} + #[derive(Debug)] pub(super) struct SpanFromMir { /// A span that has been extracted from MIR and then "un-expanded" back to @@ -345,23 +429,30 @@ pub(super) struct SpanFromMir { pub(super) span: Span, visible_macro: Option, pub(super) bcb: BasicCoverageBlock, - /// If true, this covspan represents a "hole" that should be carved out - /// from other spans, e.g. because it represents a closure expression that - /// will be instrumented separately as its own function. - pub(super) is_hole: bool, } impl SpanFromMir { fn for_fn_sig(fn_sig_span: Span) -> Self { - Self::new(fn_sig_span, None, START_BCB, false) + Self::new(fn_sig_span, None, START_BCB) } - fn new( - span: Span, - visible_macro: Option, - bcb: BasicCoverageBlock, - is_hole: bool, - ) -> Self { - Self { span, visible_macro, bcb, is_hole } + fn new(span: Span, visible_macro: Option, bcb: BasicCoverageBlock) -> Self { + Self { span, visible_macro, bcb } + } + + /// Splits this span into 0-2 parts: + /// - The part that is strictly before the hole span, if any. + /// - The part that is strictly after the hole span, if any. + fn split_around_hole_span(&self, hole_span: Span) -> (Option, Option) { + let before = try { + let span = self.span.trim_end(hole_span)?; + Self { span, ..*self } + }; + let after = try { + let span = self.span.trim_start(hole_span)?; + Self { span, ..*self } + }; + + (before, after) } } diff --git a/tests/coverage/closure_macro.cov-map b/tests/coverage/closure_macro.cov-map index fd8fbd9fa757..156947f4e21c 100644 --- a/tests/coverage/closure_macro.cov-map +++ b/tests/coverage/closure_macro.cov-map @@ -7,16 +7,14 @@ Number of file 0 mappings: 1 - Code(Counter(0)) at (prev + 29, 1) to (start + 2, 2) Function name: closure_macro::main -Raw bytes (36): 0x[01, 01, 01, 01, 05, 06, 01, 21, 01, 01, 21, 02, 02, 09, 00, 12, 02, 00, 0f, 00, 54, 05, 00, 54, 00, 55, 02, 02, 09, 02, 0b, 01, 03, 01, 00, 02] +Raw bytes (31): 0x[01, 01, 01, 01, 05, 05, 01, 21, 01, 01, 21, 02, 02, 09, 00, 0f, 05, 00, 54, 00, 55, 02, 02, 09, 02, 0b, 01, 03, 01, 00, 02] Number of files: 1 - file 0 => global file 1 Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -Number of file 0 mappings: 6 +Number of file 0 mappings: 5 - Code(Counter(0)) at (prev + 33, 1) to (start + 1, 33) -- Code(Expression(0, Sub)) at (prev + 2, 9) to (start + 0, 18) - = (c0 - c1) -- Code(Expression(0, Sub)) at (prev + 0, 15) to (start + 0, 84) +- Code(Expression(0, Sub)) at (prev + 2, 9) to (start + 0, 15) = (c0 - c1) - Code(Counter(1)) at (prev + 0, 84) to (start + 0, 85) - Code(Expression(0, Sub)) at (prev + 2, 9) to (start + 2, 11) diff --git a/tests/coverage/closure_macro_async.cov-map b/tests/coverage/closure_macro_async.cov-map index 43b52008f33e..0f2b4e017483 100644 --- a/tests/coverage/closure_macro_async.cov-map +++ b/tests/coverage/closure_macro_async.cov-map @@ -15,16 +15,14 @@ Number of file 0 mappings: 1 - Code(Counter(0)) at (prev + 35, 1) to (start + 0, 43) Function name: closure_macro_async::test::{closure#0} -Raw bytes (36): 0x[01, 01, 01, 01, 05, 06, 01, 23, 2b, 01, 21, 02, 02, 09, 00, 12, 02, 00, 0f, 00, 54, 05, 00, 54, 00, 55, 02, 02, 09, 02, 0b, 01, 03, 01, 00, 02] +Raw bytes (31): 0x[01, 01, 01, 01, 05, 05, 01, 23, 2b, 01, 21, 02, 02, 09, 00, 0f, 05, 00, 54, 00, 55, 02, 02, 09, 02, 0b, 01, 03, 01, 00, 02] Number of files: 1 - file 0 => global file 1 Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) -Number of file 0 mappings: 6 +Number of file 0 mappings: 5 - Code(Counter(0)) at (prev + 35, 43) to (start + 1, 33) -- Code(Expression(0, Sub)) at (prev + 2, 9) to (start + 0, 18) - = (c0 - c1) -- Code(Expression(0, Sub)) at (prev + 0, 15) to (start + 0, 84) +- Code(Expression(0, Sub)) at (prev + 2, 9) to (start + 0, 15) = (c0 - c1) - Code(Counter(1)) at (prev + 0, 84) to (start + 0, 85) - Code(Expression(0, Sub)) at (prev + 2, 9) to (start + 2, 11) From c57a1d1baa0a2fc4328f81be66dc7b518c1953bb Mon Sep 17 00:00:00 2001 From: Zalathar Date: Sun, 2 Jun 2024 22:35:13 +1000 Subject: [PATCH 0930/1716] coverage: Remove hole-carving code from the main span refiner Now that hole spans are handled by a separate earlier pass, this code never sees hole spans, and therefore doesn't need to deal with them. --- .../rustc_mir_transform/src/coverage/spans.rs | 99 ++++--------------- 1 file changed, 19 insertions(+), 80 deletions(-) diff --git a/compiler/rustc_mir_transform/src/coverage/spans.rs b/compiler/rustc_mir_transform/src/coverage/spans.rs index 9cda71cdd077..743f1cc24bee 100644 --- a/compiler/rustc_mir_transform/src/coverage/spans.rs +++ b/compiler/rustc_mir_transform/src/coverage/spans.rs @@ -24,8 +24,7 @@ pub(super) fn extract_refined_covspans( from_mir::mir_to_initial_sorted_coverage_spans(mir_body, hir_info, basic_coverage_blocks); for bucket in sorted_span_buckets { let refined_spans = SpansRefiner::refine_sorted_spans(bucket); - code_mappings.extend(refined_spans.into_iter().map(|covspan| { - let RefinedCovspan { span, bcb, is_hole: _ } = covspan; + code_mappings.extend(refined_spans.into_iter().map(|RefinedCovspan { span, bcb }| { // Each span produced by the refiner represents an ordinary code region. mappings::CodeMapping { span, bcb } })); @@ -36,24 +35,16 @@ pub(super) fn extract_refined_covspans( struct CurrCovspan { span: Span, bcb: BasicCoverageBlock, - is_hole: bool, } impl CurrCovspan { - fn new(span: Span, bcb: BasicCoverageBlock, is_hole: bool) -> Self { - Self { span, bcb, is_hole } + fn new(span: Span, bcb: BasicCoverageBlock) -> Self { + Self { span, bcb } } fn into_prev(self) -> PrevCovspan { - let Self { span, bcb, is_hole } = self; - PrevCovspan { span, bcb, merged_spans: vec![span], is_hole } - } - - fn into_refined(self) -> RefinedCovspan { - // This is only called in cases where `curr` is a hole span that has - // been carved out of `prev`. - debug_assert!(self.is_hole); - self.into_prev().into_refined() + let Self { span, bcb } = self; + PrevCovspan { span, bcb, merged_spans: vec![span] } } } @@ -64,12 +55,11 @@ struct PrevCovspan { /// List of all the original spans from MIR that have been merged into this /// span. Mainly used to precisely skip over gaps when truncating a span. merged_spans: Vec, - is_hole: bool, } impl PrevCovspan { fn is_mergeable(&self, other: &CurrCovspan) -> bool { - self.bcb == other.bcb && !self.is_hole && !other.is_hole + self.bcb == other.bcb } fn merge_from(&mut self, other: &CurrCovspan) { @@ -87,14 +77,9 @@ impl PrevCovspan { if self.merged_spans.is_empty() { None } else { Some(self.into_refined()) } } - fn refined_copy(&self) -> RefinedCovspan { - let &Self { span, bcb, merged_spans: _, is_hole } = self; - RefinedCovspan { span, bcb, is_hole } - } - fn into_refined(self) -> RefinedCovspan { - // Even though we consume self, we can just reuse the copying impl. - self.refined_copy() + let Self { span, bcb, merged_spans: _ } = self; + RefinedCovspan { span, bcb } } } @@ -102,12 +87,11 @@ impl PrevCovspan { struct RefinedCovspan { span: Span, bcb: BasicCoverageBlock, - is_hole: bool, } impl RefinedCovspan { fn is_mergeable(&self, other: &Self) -> bool { - self.bcb == other.bcb && !self.is_hole && !other.is_hole + self.bcb == other.bcb } fn merge_from(&mut self, other: &Self) { @@ -122,8 +106,6 @@ impl RefinedCovspan { /// * Remove duplicate source code coverage regions /// * Merge spans that represent continuous (both in source code and control flow), non-branching /// execution -/// * Carve out (leave uncovered) any "hole" spans that need to be left blank -/// (e.g. closures that will be counted by their own MIR body) struct SpansRefiner { /// The initial set of coverage spans, sorted by `Span` (`lo` and `hi`) and by relative /// dominance between the `BasicCoverageBlock`s of equal `Span`s. @@ -184,13 +166,6 @@ impl SpansRefiner { ); let prev = self.take_prev().into_refined(); self.refined_spans.push(prev); - } else if prev.is_hole { - // drop any equal or overlapping span (`curr`) and keep `prev` to test again in the - // next iter - debug!(?prev, "prev (a hole) overlaps curr, so discarding curr"); - self.take_curr(); // Discards curr. - } else if curr.is_hole { - self.carve_out_span_for_hole(); } else { self.cutoff_prev_at_overlapping_curr(); } @@ -214,9 +189,6 @@ impl SpansRefiner { } }); - // Discard hole spans, since their purpose was to carve out chunks from - // other spans, but we don't want the holes themselves in the final mappings. - self.refined_spans.retain(|covspan| !covspan.is_hole); self.refined_spans } @@ -252,50 +224,17 @@ impl SpansRefiner { if let Some(curr) = self.some_curr.take() { self.some_prev = Some(curr.into_prev()); } - while let Some(curr) = self.sorted_spans_iter.next() { - debug!("FOR curr={:?}", curr); - if let Some(prev) = &self.some_prev - && prev.span.lo() > curr.span.lo() - { - // Skip curr because prev has already advanced beyond the end of curr. - // This can only happen if a prior iteration updated `prev` to skip past - // a region of code, such as skipping past a hole. - debug!(?prev, "prev.span starts after curr.span, so curr will be dropped"); - } else { - self.some_curr = Some(CurrCovspan::new(curr.span, curr.bcb, false)); - return true; + if let Some(SpanFromMir { span, bcb, .. }) = self.sorted_spans_iter.next() { + // This code only sees sorted spans after hole-carving, so there should + // be no way for `curr` to start before `prev`. + if let Some(prev) = &self.some_prev { + debug_assert!(prev.span.lo() <= span.lo()); } - } - false - } - - /// If `prev`s span extends left of the hole (`curr`), carve out the hole's span from - /// `prev`'s span. Add the portion of the span to the left of the hole; and if the span - /// extends to the right of the hole, update `prev` to that portion of the span. - fn carve_out_span_for_hole(&mut self) { - let prev = self.prev(); - let curr = self.curr(); - - let left_cutoff = curr.span.lo(); - let right_cutoff = curr.span.hi(); - let has_pre_hole_span = prev.span.lo() < right_cutoff; - let has_post_hole_span = prev.span.hi() > right_cutoff; - - if has_pre_hole_span { - let mut pre_hole = prev.refined_copy(); - pre_hole.span = pre_hole.span.with_hi(left_cutoff); - debug!(?pre_hole, "prev overlaps a hole; adding pre-hole span"); - self.refined_spans.push(pre_hole); - } - - if has_post_hole_span { - // Mutate `prev.span` to start after the hole (and discard curr). - self.prev_mut().span = self.prev().span.with_lo(right_cutoff); - debug!(prev=?self.prev(), "mutated prev to start after the hole"); - - // Prevent this curr from becoming prev. - let hole_covspan = self.take_curr().into_refined(); - self.refined_spans.push(hole_covspan); // since self.prev() was already updated + self.some_curr = Some(CurrCovspan::new(span, bcb)); + debug!(?self.some_prev, ?self.some_curr, "next_coverage_span"); + true + } else { + false } } From f4b060e452fa00a04f20ad7a0ec140fda48f3b50 Mon Sep 17 00:00:00 2001 From: Lokathor Date: Tue, 28 May 2024 11:18:46 -0600 Subject: [PATCH 0931/1716] Add more ABI test cases. --- .../miri/tests/pass/function_calls/abi_compat.rs | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/src/tools/miri/tests/pass/function_calls/abi_compat.rs b/src/tools/miri/tests/pass/function_calls/abi_compat.rs index 136660a305af..0cfcd532ff4b 100644 --- a/src/tools/miri/tests/pass/function_calls/abi_compat.rs +++ b/src/tools/miri/tests/pass/function_calls/abi_compat.rs @@ -83,12 +83,24 @@ fn main() { test_abi_compat(main as fn(), id:: as fn(i32) -> i32); // - 1-ZST test_abi_compat((), [0u8; 0]); - // - Guaranteed null-pointer-optimizations (RFC 3391). + // - Guaranteed Option null-pointer-optimizations (RFC 3391). test_abi_compat(&0u32 as *const u32, Some(&0u32)); test_abi_compat(main as fn(), Some(main as fn())); test_abi_compat(0u32, Some(num::NonZero::new(1u32).unwrap())); test_abi_compat(&0u32 as *const u32, Some(Wrapper(&0u32))); - test_abi_compat(0u32, Some(Wrapper(num::NonZero::new(1u32).unwrap()))); + test_abi_compat(0u32, Some(Wrapper(num::NonZeroU32::new(1u32).unwrap()))); + // - Guaranteed Result does the same as Option (RFC 3391) + test_abi_compat(&0u32 as *const u32, Result::<_, ()>::Ok(&0u32)); + test_abi_compat(main as fn(), Result::<_, ()>::Ok(main as fn())); + test_abi_compat(0u32, Result::<_, ()>::Ok(num::NonZeroU32::new(1).unwrap())); + test_abi_compat(&0u32 as *const u32, Result::<_, ()>::Ok(Wrapper(&0u32))); + test_abi_compat(0u32, Result::<_, ()>::Ok(Wrapper(num::NonZeroU32::new(1).unwrap()))); + // - Guaranteed Result also does the same as Option (RFC 3391) + test_abi_compat(&0u32 as *const u32, Result::<(), _>::Err(&0u32)); + test_abi_compat(main as fn(), Result::<(), _>::Err(main as fn())); + test_abi_compat(0u32, Result::<(), _>::Err(num::NonZeroU32::new(1).unwrap())); + test_abi_compat(&0u32 as *const u32, Result::<(), _>::Err(Wrapper(&0u32))); + test_abi_compat(0u32, Result::<(), _>::Err(Wrapper(num::NonZeroU32::new(1).unwrap()))); // These must work for *any* type, since we guarantee that `repr(transparent)` is ABI-compatible // with the wrapped field. From 98d65d62c511777d6372ae0115d40f82d0a42857 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Mon, 3 Jun 2024 17:34:39 +1000 Subject: [PATCH 0932/1716] Explain why `tests/rustdoc-gui/` is unformatted. --- rustfmt.toml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/rustfmt.toml b/rustfmt.toml index dffb7bb67f3c..cc032bfe0237 100644 --- a/rustfmt.toml +++ b/rustfmt.toml @@ -18,7 +18,7 @@ ignore = [ "/tests/pretty/", # These tests are very sensitive to source code layout. "/tests/run-make/translation/test.rs", # This test contains syntax errors. "/tests/rustdoc/", # Some have syntax errors, some are whitespace-sensitive. - "/tests/rustdoc-gui/", + "/tests/rustdoc-gui/", # Some tests are sensitive to source code layout. "/tests/rustdoc-js/", "/tests/rustdoc-json/", "/tests/rustdoc-js-std/", From c6fb703c05a47a7f20c59c5315fe704c536084d0 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Mon, 3 Jun 2024 17:35:56 +1000 Subject: [PATCH 0933/1716] rustfmt `tests/rustdoc-js/`. --- rustfmt.toml | 1 - tests/rustdoc-js/assoc-type-backtrack.rs | 21 ++++--- tests/rustdoc-js/assoc-type-loop.rs | 9 +-- tests/rustdoc-js/auxiliary/interner.rs | 67 +++++++++-------------- tests/rustdoc-js/doc-alias.rs | 6 +- tests/rustdoc-js/enum-variant-not-type.rs | 10 +++- tests/rustdoc-js/foreign-type-path.rs | 3 +- tests/rustdoc-js/full-path-function.rs | 20 +++++-- tests/rustdoc-js/gat.rs | 16 ++++-- tests/rustdoc-js/generics-impl.rs | 7 ++- tests/rustdoc-js/generics-trait.rs | 16 ++++-- tests/rustdoc-js/generics.rs | 37 +++++++++---- tests/rustdoc-js/hof.rs | 8 +-- tests/rustdoc-js/macro-search.rs | 4 +- tests/rustdoc-js/never-search.rs | 28 ++++++++-- tests/rustdoc-js/path-maxeditdistance.rs | 2 +- tests/rustdoc-js/prototype.rs | 2 +- tests/rustdoc-js/reexport-dedup-macro.rs | 2 +- tests/rustdoc-js/reexport-dedup-method.rs | 4 +- tests/rustdoc-js/reexport-dedup.rs | 4 +- tests/rustdoc-js/reexport.rs | 2 +- tests/rustdoc-js/reference.rs | 16 ++++-- tests/rustdoc-js/slice-array.rs | 16 ++++-- tests/rustdoc-js/struct-like-variant.rs | 4 +- tests/rustdoc-js/summaries.rs | 1 - tests/rustdoc-js/tuple-unit.rs | 18 ++++-- tests/rustdoc-js/type-parameters.rs | 20 +++++-- tests/rustdoc-js/where-clause.rs | 29 ++++++++-- 28 files changed, 240 insertions(+), 133 deletions(-) diff --git a/rustfmt.toml b/rustfmt.toml index cc032bfe0237..79f197b27b17 100644 --- a/rustfmt.toml +++ b/rustfmt.toml @@ -19,7 +19,6 @@ ignore = [ "/tests/run-make/translation/test.rs", # This test contains syntax errors. "/tests/rustdoc/", # Some have syntax errors, some are whitespace-sensitive. "/tests/rustdoc-gui/", # Some tests are sensitive to source code layout. - "/tests/rustdoc-js/", "/tests/rustdoc-json/", "/tests/rustdoc-js-std/", "/tests/rustdoc-ui/", diff --git a/tests/rustdoc-js/assoc-type-backtrack.rs b/tests/rustdoc-js/assoc-type-backtrack.rs index c3cdd78c6e1c..2dfede9dc383 100644 --- a/tests/rustdoc-js/assoc-type-backtrack.rs +++ b/tests/rustdoc-js/assoc-type-backtrack.rs @@ -5,22 +5,27 @@ pub trait MyTrait2 { pub trait MyTrait { type Item; fn next(&mut self) -> Option; - fn fold(self, init: B, f: F) -> B where + fn fold(self, init: B, f: F) -> B + where Self: Sized, - F: MyTrait2<(B, Self::Item), Output=B>; + F: MyTrait2<(B, Self::Item), Output = B>; } pub struct Cloned(I); -impl<'a, T, I> MyTrait for Cloned where +impl<'a, T, I> MyTrait for Cloned +where T: 'a + Clone, - I: MyTrait + I: MyTrait, { type Item = T; - fn next(&mut self) -> Option { loop {} } - fn fold(self, init: B, f: F) -> B where + fn next(&mut self) -> Option { + loop {} + } + fn fold(self, init: B, f: F) -> B + where Self: Sized, - F: MyTrait2<(B, Self::Item), Output=B> + F: MyTrait2<(B, Self::Item), Output = B>, { loop {} } @@ -32,7 +37,7 @@ pub trait MyFuture { pub trait MyIntoFuture { type Output; - type Fut: MyFuture; + type Fut: MyFuture; fn into_future(self) -> Self::Fut; fn into_future_2(self, other: Self) -> Self::Fut; } diff --git a/tests/rustdoc-js/assoc-type-loop.rs b/tests/rustdoc-js/assoc-type-loop.rs index f123c83f50fd..09efe8c7be5c 100644 --- a/tests/rustdoc-js/assoc-type-loop.rs +++ b/tests/rustdoc-js/assoc-type-loop.rs @@ -1,9 +1,9 @@ -#![crate_name="foo"] +#![crate_name = "foo"] // reduced from sqlx 0.7.3 use std::future::Future; -use std::pin::Pin; use std::ops::{Deref, DerefMut}; +use std::pin::Pin; pub enum Error {} pub trait Acquire<'c> { type Database: Database; @@ -16,7 +16,7 @@ pub trait Connection { type Database: Database; type Options: ConnectionOptions; fn begin( - &mut self + &mut self, ) -> Pin, Error>> + Send + '_>> where Self: Sized; @@ -28,7 +28,8 @@ pub struct Transaction<'c, DB: Database> { _db: &'c DB, } impl<'t, 'c, DB: Database> Acquire<'t> for &'t mut Transaction<'c, DB> - where ::Connection: Send +where + ::Connection: Send, { type Database = DB; type Connection = &'t mut ::Connection; diff --git a/tests/rustdoc-js/auxiliary/interner.rs b/tests/rustdoc-js/auxiliary/interner.rs index c95029be9f0f..e4e4ff6276d6 100644 --- a/tests/rustdoc-js/auxiliary/interner.rs +++ b/tests/rustdoc-js/auxiliary/interner.rs @@ -77,17 +77,14 @@ pub trait Interner: Sized { type ClosureKind: Copy + Debug + Hash + Eq; // Required method - fn mk_canonical_var_infos( - self, - infos: &[CanonicalVarInfo] - ) -> Self::CanonicalVars; + fn mk_canonical_var_infos(self, infos: &[CanonicalVarInfo]) -> Self::CanonicalVars; } pub trait DebugWithInfcx: Debug { // Required method fn fmt>( this: WithInfcx<'_, Infcx, &Self>, - f: &mut Formatter<'_> + f: &mut Formatter<'_>, ) -> std::fmt::Result; } @@ -130,11 +127,7 @@ pub struct TypeFlags; pub trait Ty> { // Required method - fn new_anon_bound( - interner: I, - debruijn: DebruijnIndex, - var: BoundVar - ) -> Self; + fn new_anon_bound(interner: I, debruijn: DebruijnIndex, var: BoundVar) -> Self; } pub trait PlaceholderLike { @@ -152,12 +145,7 @@ pub struct BoundVar; pub struct ConstKind(std::marker::PhantomData); pub trait Const> { // Required method - fn new_anon_bound( - interner: I, - debruijn: DebruijnIndex, - var: BoundVar, - ty: I::Ty - ) -> Self; + fn new_anon_bound(interner: I, debruijn: DebruijnIndex, var: BoundVar, ty: I::Ty) -> Self; } pub trait ConstTy { @@ -170,25 +158,28 @@ pub struct DebruijnIndex; pub struct RegionKind(std::marker::PhantomData); pub trait Region> { // Required method - fn new_anon_bound( - interner: I, - debruijn: DebruijnIndex, - var: BoundVar - ) -> Self; + fn new_anon_bound(interner: I, debruijn: DebruijnIndex, var: BoundVar) -> Self; } pub trait TypeVisitor: Sized { type Result: VisitorResult = (); // Provided methods - fn visit_binder>( - &mut self, - t: &I::Binder - ) -> Self::Result { unimplemented!() } - fn visit_ty(&mut self, t: I::Ty) -> Self::Result { unimplemented!() } - fn visit_region(&mut self, _r: I::Region) -> Self::Result { unimplemented!() } - fn visit_const(&mut self, c: I::Const) -> Self::Result { unimplemented!() } - fn visit_predicate(&mut self, p: I::Predicate) -> Self::Result { unimplemented!() } + fn visit_binder>(&mut self, t: &I::Binder) -> Self::Result { + unimplemented!() + } + fn visit_ty(&mut self, t: I::Ty) -> Self::Result { + unimplemented!() + } + fn visit_region(&mut self, _r: I::Region) -> Self::Result { + unimplemented!() + } + fn visit_const(&mut self, c: I::Const) -> Self::Result { + unimplemented!() + } + fn visit_predicate(&mut self, p: I::Predicate) -> Self::Result { + unimplemented!() + } } pub trait VisitorResult { @@ -206,7 +197,9 @@ impl VisitorResult for () { fn output() -> Self {} fn from_residual(_: Self::Residual) -> Self {} fn from_branch(_: ControlFlow) -> Self {} - fn branch(self) -> ControlFlow { ControlFlow::Continue(()) } + fn branch(self) -> ControlFlow { + ControlFlow::Continue(()) + } } pub struct WithInfcx<'a, Infcx: InferCtxtLike, T> { @@ -221,24 +214,18 @@ pub trait InferCtxtLike { fn interner(&self) -> Self::Interner; fn universe_of_ty(&self, ty: TyVid) -> Option; fn root_ty_var(&self, vid: TyVid) -> TyVid; - fn probe_ty_var( - &self, - vid: TyVid - ) -> Option<::Ty>; + fn probe_ty_var(&self, vid: TyVid) -> Option<::Ty>; fn universe_of_lt( &self, - lt: ::InferRegion + lt: ::InferRegion, ) -> Option; fn opportunistic_resolve_lt_var( &self, - vid: ::InferRegion + vid: ::InferRegion, ) -> Option<::Region>; fn universe_of_ct(&self, ct: ConstVid) -> Option; fn root_ct_var(&self, vid: ConstVid) -> ConstVid; - fn probe_ct_var( - &self, - vid: ConstVid - ) -> Option<::Const>; + fn probe_ct_var(&self, vid: ConstVid) -> Option<::Const>; } pub struct TyVid; diff --git a/tests/rustdoc-js/doc-alias.rs b/tests/rustdoc-js/doc-alias.rs index 750b7b757bc3..453b55c956c7 100644 --- a/tests/rustdoc-js/doc-alias.rs +++ b/tests/rustdoc-js/doc-alias.rs @@ -16,7 +16,9 @@ impl Trait for Struct { const AssociatedConst: i32 = 12; #[doc(alias = "ImplTraitFunction")] - fn function() -> Self::Target { 0 } + fn function() -> Self::Target { + 0 + } } #[doc(alias = "EnumItem")] @@ -71,5 +73,5 @@ impl Union { #[doc(alias = "MacroItem")] #[macro_export] macro_rules! Macro { - () => {} + () => {}; } diff --git a/tests/rustdoc-js/enum-variant-not-type.rs b/tests/rustdoc-js/enum-variant-not-type.rs index 421bddf62894..f0facd63cfcd 100644 --- a/tests/rustdoc-js/enum-variant-not-type.rs +++ b/tests/rustdoc-js/enum-variant-not-type.rs @@ -5,10 +5,14 @@ pub trait MyTrait { fn not_appearing(&self) -> Option<&Self::T>; } -pub fn my_fn(t: X) -> X { t } +pub fn my_fn(t: X) -> X { + t +} pub trait AutoCorrectConfounder { type InsertUnnecessarilyLongTypeNameHere; - fn assoc_type_acts_like_generic(&self, x: &Self::InsertUnnecessarilyLongTypeNameHere) - -> Option<&Self::InsertUnnecessarilyLongTypeNameHere>; + fn assoc_type_acts_like_generic( + &self, + x: &Self::InsertUnnecessarilyLongTypeNameHere, + ) -> Option<&Self::InsertUnnecessarilyLongTypeNameHere>; } diff --git a/tests/rustdoc-js/foreign-type-path.rs b/tests/rustdoc-js/foreign-type-path.rs index 83400104ea77..f9228c7b9ac3 100644 --- a/tests/rustdoc-js/foreign-type-path.rs +++ b/tests/rustdoc-js/foreign-type-path.rs @@ -2,12 +2,11 @@ pub mod aaaaaaa { - extern { + extern "C" { pub type MyForeignType; } impl MyForeignType { pub fn my_method() {} } - } diff --git a/tests/rustdoc-js/full-path-function.rs b/tests/rustdoc-js/full-path-function.rs index 8dcc3f2b69d8..a1a9220654d0 100644 --- a/tests/rustdoc-js/full-path-function.rs +++ b/tests/rustdoc-js/full-path-function.rs @@ -2,16 +2,26 @@ pub mod sac { pub struct Sac; impl Sac { - pub fn len(&self) -> usize { 0 } + pub fn len(&self) -> usize { + 0 + } } } pub mod b { pub struct Sac; impl Sac { - pub fn len(&self) -> usize { 0 } - pub fn bar(&self, w: u32) -> usize { 0 } - pub fn bar2(&self, w: u32) -> u32 { 0 } - pub fn string(w: String) -> u32 { 0 } + pub fn len(&self) -> usize { + 0 + } + pub fn bar(&self, w: u32) -> usize { + 0 + } + pub fn bar2(&self, w: u32) -> u32 { + 0 + } + pub fn string(w: String) -> u32 { + 0 + } } } diff --git a/tests/rustdoc-js/gat.rs b/tests/rustdoc-js/gat.rs index b4861cc683ff..7a2b5551114c 100644 --- a/tests/rustdoc-js/gat.rs +++ b/tests/rustdoc-js/gat.rs @@ -2,7 +2,15 @@ pub trait Foo { type Assoc; } -pub fn sample = u8>>(_: X) -> u32 { loop {} } -pub fn synergy(_: impl Foo = u8>) -> ! { loop {} } -pub fn consider(_: impl Foo = u32>) -> bool { loop {} } -pub fn integrate(_: impl Foo = T>) -> T { loop {} } +pub fn sample = u8>>(_: X) -> u32 { + loop {} +} +pub fn synergy(_: impl Foo = u8>) -> ! { + loop {} +} +pub fn consider(_: impl Foo = u32>) -> bool { + loop {} +} +pub fn integrate(_: impl Foo = T>) -> T { + loop {} +} diff --git a/tests/rustdoc-js/generics-impl.rs b/tests/rustdoc-js/generics-impl.rs index 696218021d5a..27d44fdd7e92 100644 --- a/tests/rustdoc-js/generics-impl.rs +++ b/tests/rustdoc-js/generics-impl.rs @@ -1,4 +1,4 @@ -use std::io::{Result as IoResult, Read}; +use std::io::{Read, Result as IoResult}; pub struct Aaaaaaa; @@ -29,7 +29,10 @@ impl Ddddddd { pub fn ggggggg(self) -> u64 { 1 } - pub fn hhhhhhh() -> Self where T: Default { + pub fn hhhhhhh() -> Self + where + T: Default, + { Ddddddd(T::default()) } } diff --git a/tests/rustdoc-js/generics-trait.rs b/tests/rustdoc-js/generics-trait.rs index 20db117ccd5c..58c86361e419 100644 --- a/tests/rustdoc-js/generics-trait.rs +++ b/tests/rustdoc-js/generics-trait.rs @@ -1,8 +1,16 @@ pub trait SomeTrait {} pub trait OtherThingxxxxxxxx {} -pub fn alef() -> Result { loop {} } -pub fn bet() -> Result { loop {} } +pub fn alef() -> Result { + loop {} +} +pub fn bet() -> Result { + loop {} +} -pub fn alpha(_param: Result) { loop {} } -pub fn beta(_param: Result) { loop {} } +pub fn alpha(_param: Result) { + loop {} +} +pub fn beta(_param: Result) { + loop {} +} diff --git a/tests/rustdoc-js/generics.rs b/tests/rustdoc-js/generics.rs index 055c51c7ec57..c3ca13666141 100644 --- a/tests/rustdoc-js/generics.rs +++ b/tests/rustdoc-js/generics.rs @@ -3,26 +3,41 @@ pub struct Q; pub struct R(T); // returns test -pub fn alef() -> R

{ loop {} } -pub fn bet() -> R { loop {} } +pub fn alef() -> R

{ + loop {} +} +pub fn bet() -> R { + loop {} +} // in_args test -pub fn alpha(_x: R

) { loop {} } -pub fn beta(_x: R) { loop {} } +pub fn alpha(_x: R

) { + loop {} +} +pub fn beta(_x: R) { + loop {} +} // test case with multiple appearances of the same type -pub struct ExtraCreditStructMulti { t: T, u: U } +pub struct ExtraCreditStructMulti { + t: T, + u: U, +} pub struct ExtraCreditInnerMulti {} pub fn extracreditlabhomework( - _param: ExtraCreditStructMulti -) { loop {} } -pub fn redherringmatchforextracredit( - _param: ExtraCreditStructMulti -) { loop {} } + _param: ExtraCreditStructMulti, +) { + loop {} +} +pub fn redherringmatchforextracredit(_param: ExtraCreditStructMulti) { + loop {} +} pub trait TraitCat {} pub trait TraitDog {} pub fn gamma(t: T) {} -pub fn super_soup(s: Result) -> Result { s } +pub fn super_soup(s: Result) -> Result { + s +} diff --git a/tests/rustdoc-js/hof.rs b/tests/rustdoc-js/hof.rs index 4d2c6e331cac..e4d550250e8a 100644 --- a/tests/rustdoc-js/hof.rs +++ b/tests/rustdoc-js/hof.rs @@ -4,9 +4,9 @@ pub struct First(T); pub struct Second(T); pub struct Third(T); -pub fn fn_ptr(_: fn (First) -> !, _: bool) {} -pub fn fn_once(_: impl FnOnce (Second) -> !, _: u8) {} -pub fn fn_mut(_: impl FnMut (Third) -> !, _: i8) {} -pub fn fn_(_: impl Fn (u32) -> !, _: char) {} +pub fn fn_ptr(_: fn(First) -> !, _: bool) {} +pub fn fn_once(_: impl FnOnce(Second) -> !, _: u8) {} +pub fn fn_mut(_: impl FnMut(Third) -> !, _: i8) {} +pub fn fn_(_: impl Fn(u32) -> !, _: char) {} pub fn multiple(_: impl Fn(&'static str, &'static str) -> i8) {} diff --git a/tests/rustdoc-js/macro-search.rs b/tests/rustdoc-js/macro-search.rs index dc397490cf58..7fa9cbc4ab23 100644 --- a/tests/rustdoc-js/macro-search.rs +++ b/tests/rustdoc-js/macro-search.rs @@ -1,10 +1,10 @@ #[macro_export] macro_rules! abracadabra { - () => {} + () => {}; } #[macro_export] macro_rules! abracadabra_b { - () => {} + () => {}; } pub fn abracadabra() {} pub fn abracadabra_c() {} diff --git a/tests/rustdoc-js/never-search.rs b/tests/rustdoc-js/never-search.rs index 299b4660dae9..800f9ead8b35 100644 --- a/tests/rustdoc-js/never-search.rs +++ b/tests/rustdoc-js/never-search.rs @@ -3,11 +3,27 @@ #[allow(nonstandard_style)] pub struct never; -pub fn loops() -> ! { loop {} } -pub fn returns() -> never { never } +pub fn loops() -> ! { + loop {} +} +pub fn returns() -> never { + never +} -pub fn impossible(x: !) { match x {} } -pub fn uninteresting(x: never) { match x { never => {} } } +pub fn impossible(x: !) { + match x {} +} +pub fn uninteresting(x: never) { + match x { + never => {} + } +} -pub fn box_impossible(x: Box) { match *x {} } -pub fn box_uninteresting(x: Box) { match *x { never => {} } } +pub fn box_impossible(x: Box) { + match *x {} +} +pub fn box_uninteresting(x: Box) { + match *x { + never => {} + } +} diff --git a/tests/rustdoc-js/path-maxeditdistance.rs b/tests/rustdoc-js/path-maxeditdistance.rs index 3861280d59bf..88af4f487741 100644 --- a/tests/rustdoc-js/path-maxeditdistance.rs +++ b/tests/rustdoc-js/path-maxeditdistance.rs @@ -1,3 +1,3 @@ -#![crate_name="abracadabra"] +#![crate_name = "abracadabra"] pub struct HocusPocusPrestidigitation; diff --git a/tests/rustdoc-js/prototype.rs b/tests/rustdoc-js/prototype.rs index 5f6d73cc1962..77553561238c 100644 --- a/tests/rustdoc-js/prototype.rs +++ b/tests/rustdoc-js/prototype.rs @@ -1,4 +1,4 @@ // The alias needed to be there to reproduce the bug // that used to be here. -#[doc(alias="other_alias")] +#[doc(alias = "other_alias")] pub fn something_else() {} diff --git a/tests/rustdoc-js/reexport-dedup-macro.rs b/tests/rustdoc-js/reexport-dedup-macro.rs index 3d18da3951c7..f70b9c3d7338 100644 --- a/tests/rustdoc-js/reexport-dedup-macro.rs +++ b/tests/rustdoc-js/reexport-dedup-macro.rs @@ -1,5 +1,5 @@ //@ aux-crate: macro_in_module=macro-in-module.rs -#![crate_name="foo"] +#![crate_name = "foo"] extern crate macro_in_module; // Test case based on the relationship between alloc and std. diff --git a/tests/rustdoc-js/reexport-dedup-method.rs b/tests/rustdoc-js/reexport-dedup-method.rs index 5dbd66e9c8ed..c00df094d7ac 100644 --- a/tests/rustdoc-js/reexport-dedup-method.rs +++ b/tests/rustdoc-js/reexport-dedup-method.rs @@ -1,5 +1,5 @@ // This test enforces that the (renamed) reexports are present in the search results. -#![crate_name="foo"] +#![crate_name = "foo"] pub mod fmt { pub struct Subscriber; @@ -14,5 +14,5 @@ mod foo { } } -pub use foo::AnotherOne; pub use fmt::Subscriber; +pub use foo::AnotherOne; diff --git a/tests/rustdoc-js/reexport-dedup.rs b/tests/rustdoc-js/reexport-dedup.rs index 40aea9633036..83c23d5c3664 100644 --- a/tests/rustdoc-js/reexport-dedup.rs +++ b/tests/rustdoc-js/reexport-dedup.rs @@ -1,5 +1,5 @@ // This test enforces that the (renamed) reexports are present in the search results. -#![crate_name="foo"] +#![crate_name = "foo"] pub mod fmt { pub struct Subscriber; @@ -8,5 +8,5 @@ mod foo { pub struct AnotherOne; } -pub use foo::AnotherOne; pub use fmt::Subscriber; +pub use foo::AnotherOne; diff --git a/tests/rustdoc-js/reexport.rs b/tests/rustdoc-js/reexport.rs index d51b7fb369c2..0b3718cd9a3e 100644 --- a/tests/rustdoc-js/reexport.rs +++ b/tests/rustdoc-js/reexport.rs @@ -9,5 +9,5 @@ mod foo { pub struct AnotherOne; } -pub use foo::AnotherOne; pub use fmt::Subscriber as FmtSubscriber; +pub use foo::AnotherOne; diff --git a/tests/rustdoc-js/reference.rs b/tests/rustdoc-js/reference.rs index 3a0a23c65d5b..93b2a6df8e6c 100644 --- a/tests/rustdoc-js/reference.rs +++ b/tests/rustdoc-js/reference.rs @@ -7,13 +7,17 @@ pub fn pinky(input: &usize, manage: usize) { pub struct Thumb; impl Thumb { - pub fn up(&self, finger: Thumb) { unimplemented!() } + pub fn up(&self, finger: Thumb) { + unimplemented!() + } } pub enum Index {} impl Index { - pub fn point(self, data: &Index) { unimplemented!() } + pub fn point(self, data: &Index) { + unimplemented!() + } } pub union Ring { @@ -22,11 +26,15 @@ pub union Ring { } impl Ring { - pub fn wear(&mut self, extra: &Ring) { unimplemented!() } + pub fn wear(&mut self, extra: &Ring) { + unimplemented!() + } } extern "C" { pub type Middle; } -pub fn show(left: &&mut Middle, right: &mut &Middle) { unimplemented!() } +pub fn show(left: &&mut Middle, right: &mut &Middle) { + unimplemented!() +} diff --git a/tests/rustdoc-js/slice-array.rs b/tests/rustdoc-js/slice-array.rs index 15ac4294f3d7..e4e34a26fa25 100644 --- a/tests/rustdoc-js/slice-array.rs +++ b/tests/rustdoc-js/slice-array.rs @@ -3,12 +3,20 @@ pub struct Q; pub struct R(T); // returns test -pub fn alef() -> &'static [R

] { loop {} } -pub fn bet() -> R<[Q; 32]> { loop {} } +pub fn alef() -> &'static [R

] { + loop {} +} +pub fn bet() -> R<[Q; 32]> { + loop {} +} // in_args test -pub fn alpha(_x: R<&'static [P]>) { loop {} } -pub fn beta(_x: [R; 32]) { loop {} } +pub fn alpha(_x: R<&'static [P]>) { + loop {} +} +pub fn beta(_x: [R; 32]) { + loop {} +} pub trait TraitCat {} pub trait TraitDog {} diff --git a/tests/rustdoc-js/struct-like-variant.rs b/tests/rustdoc-js/struct-like-variant.rs index 2f52a319ab9a..aafde9957ff8 100644 --- a/tests/rustdoc-js/struct-like-variant.rs +++ b/tests/rustdoc-js/struct-like-variant.rs @@ -3,6 +3,6 @@ pub enum Enum { Bar { /// This is a name. - name: String - } + name: String, + }, } diff --git a/tests/rustdoc-js/summaries.rs b/tests/rustdoc-js/summaries.rs index 1ee1c34aa156..9e8fc820245e 100644 --- a/tests/rustdoc-js/summaries.rs +++ b/tests/rustdoc-js/summaries.rs @@ -1,6 +1,5 @@ #![crate_type = "lib"] #![crate_name = "summaries"] - #![allow(rustdoc::broken_intra_doc_links)] //! This *summary* has a [link], [`code`], and [`Sidebar2`] intra-doc. diff --git a/tests/rustdoc-js/tuple-unit.rs b/tests/rustdoc-js/tuple-unit.rs index 93f9a671cbc3..4531545cf6c5 100644 --- a/tests/rustdoc-js/tuple-unit.rs +++ b/tests/rustdoc-js/tuple-unit.rs @@ -3,16 +3,24 @@ pub struct Q; pub struct R(T); // Checks that tuple and unit both work -pub fn side_effect() { } +pub fn side_effect() {} // Check a non-tuple -pub fn not_tuple() -> P { loop {} } +pub fn not_tuple() -> P { + loop {} +} // Check a 1-tuple -pub fn one() -> (P,) { loop {} } +pub fn one() -> (P,) { + loop {} +} // Check a 2-tuple -pub fn two() -> (P,P) { loop {} } +pub fn two() -> (P, P) { + loop {} +} // Check a nested tuple -pub fn nest() -> (Q, R<(u32,)>) { loop {} } +pub fn nest() -> (Q, R<(u32,)>) { + loop {} +} diff --git a/tests/rustdoc-js/type-parameters.rs b/tests/rustdoc-js/type-parameters.rs index cda5e26171fc..0edbfbea178b 100644 --- a/tests/rustdoc-js/type-parameters.rs +++ b/tests/rustdoc-js/type-parameters.rs @@ -1,15 +1,23 @@ -#![crate_name="foo"] +#![crate_name = "foo"] pub trait Some {} impl Some for () {} pub trait Other {} impl Other for () {} -pub fn alef() -> T { loop {} } -pub fn alpha() -> impl Some { } +pub fn alef() -> T { + loop {} +} +pub fn alpha() -> impl Some {} -pub fn bet(t: T) -> U { loop {} } +pub fn bet(t: T) -> U { + loop {} +} pub fn beta(t: T) -> T {} -pub fn other(t: T, u: U) { loop {} } -pub fn alternate(t: T, u: T) { loop {} } +pub fn other(t: T, u: U) { + loop {} +} +pub fn alternate(t: T, u: T) { + loop {} +} diff --git a/tests/rustdoc-js/where-clause.rs b/tests/rustdoc-js/where-clause.rs index 56c01019fb69..c0fede1cfd59 100644 --- a/tests/rustdoc-js/where-clause.rs +++ b/tests/rustdoc-js/where-clause.rs @@ -4,27 +4,46 @@ pub trait Trait { fn thank_you(x: T); } -pub fn abracadabra(_: X) where X: Trait {} +pub fn abracadabra(_: X) +where + X: Trait, +{ +} -pub fn alacazam() -> X where X: Trait {} +pub fn alacazam() -> X +where + X: Trait, +{ +} pub trait T1 {} pub trait T2<'a, T> { fn please(_: &'a T); } -pub fn presto(_: A, _: B) where A: T1, B: for <'b> T2<'b, Nested> {} +pub fn presto(_: A, _: B) +where + A: T1, + B: for<'b> T2<'b, Nested>, +{ +} pub trait Shazam {} -pub fn bippety() -> &'static X where X: Shazam { +pub fn bippety() -> &'static X +where + X: Shazam, +{ panic!() } pub struct Drizzel(T); impl Drizzel { - pub fn boppety(&self) -> &T where T: Shazam { + pub fn boppety(&self) -> &T + where + T: Shazam, + { panic!(); } } From 9f16362ab4c584aa737b68326c9859a07293113a Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Tue, 4 Jun 2024 10:03:40 +1000 Subject: [PATCH 0934/1716] rustfmt `tests/rustdoc-json/`. --- rustfmt.toml | 1 - tests/rustdoc-json/lifetime/longest.rs | 6 +----- tests/rustdoc-json/non_lifetime_binders.rs | 6 +++++- tests/rustdoc-json/output_generics.rs | 13 ++++++++++--- tests/rustdoc-json/type/extern.rs | 2 +- tests/rustdoc-json/unions/impl.rs | 2 +- tests/rustdoc-json/unions/union.rs | 1 - 7 files changed, 18 insertions(+), 13 deletions(-) diff --git a/rustfmt.toml b/rustfmt.toml index 79f197b27b17..9f2dcec6f060 100644 --- a/rustfmt.toml +++ b/rustfmt.toml @@ -19,7 +19,6 @@ ignore = [ "/tests/run-make/translation/test.rs", # This test contains syntax errors. "/tests/rustdoc/", # Some have syntax errors, some are whitespace-sensitive. "/tests/rustdoc-gui/", # Some tests are sensitive to source code layout. - "/tests/rustdoc-json/", "/tests/rustdoc-js-std/", "/tests/rustdoc-ui/", "/tests/ui/", diff --git a/tests/rustdoc-json/lifetime/longest.rs b/tests/rustdoc-json/lifetime/longest.rs index 419b0b4fcab1..dccad41a861b 100644 --- a/tests/rustdoc-json/lifetime/longest.rs +++ b/tests/rustdoc-json/lifetime/longest.rs @@ -23,9 +23,5 @@ // @is "$.index[*][?(@.name=='longest')].inner.function.decl.output.borrowed_ref.type.primitive" \"str\" pub fn longest<'a>(l: &'a str, r: &'a str) -> &'a str { - if l.len() > r.len() { - l - } else { - r - } + if l.len() > r.len() { l } else { r } } diff --git a/tests/rustdoc-json/non_lifetime_binders.rs b/tests/rustdoc-json/non_lifetime_binders.rs index d925fcd52215..6f0732646ca1 100644 --- a/tests/rustdoc-json/non_lifetime_binders.rs +++ b/tests/rustdoc-json/non_lifetime_binders.rs @@ -12,4 +12,8 @@ pub struct Wrapper(std::marker::PhantomData); // @is "$.index[*][?(@.name=='foo')].inner.function.generics.where_predicates[0].bound_predicate.generic_params[0].kind" '{ "lifetime": { "outlives": [] } }' // @is "$.index[*][?(@.name=='foo')].inner.function.generics.where_predicates[0].bound_predicate.generic_params[1].name" \"T\" // @is "$.index[*][?(@.name=='foo')].inner.function.generics.where_predicates[0].bound_predicate.generic_params[1].kind" '{ "type": { "bounds": [], "default": null, "synthetic": false } }' -pub fn foo() where for<'a, T> &'a Wrapper: Trait {} +pub fn foo() +where + for<'a, T> &'a Wrapper: Trait, +{ +} diff --git a/tests/rustdoc-json/output_generics.rs b/tests/rustdoc-json/output_generics.rs index d421eafbb47b..e9df64b79e30 100644 --- a/tests/rustdoc-json/output_generics.rs +++ b/tests/rustdoc-json/output_generics.rs @@ -16,12 +16,19 @@ pub trait Trait { fn handle(value: T) -> Self; } -impl Trait for T where T: From { - fn handle(_: U) -> Self { unimplemented!() } +impl Trait for T +where + T: From, +{ + fn handle(_: U) -> Self { + unimplemented!() + } } impl<'a, R> Trait<&'a mut Events> for Other { - fn handle(_: &'a mut Events) -> Self { unimplemented!() } + fn handle(_: &'a mut Events) -> Self { + unimplemented!() + } } fn this_compiles<'a, R>(value: &'a mut Events) { diff --git a/tests/rustdoc-json/type/extern.rs b/tests/rustdoc-json/type/extern.rs index c30146ce9e03..59e099ec9fce 100644 --- a/tests/rustdoc-json/type/extern.rs +++ b/tests/rustdoc-json/type/extern.rs @@ -1,6 +1,6 @@ #![feature(extern_types)] -extern { +extern "C" { /// No inner information pub type Foo; } diff --git a/tests/rustdoc-json/unions/impl.rs b/tests/rustdoc-json/unions/impl.rs index 7456892df1bb..1515f7d93971 100644 --- a/tests/rustdoc-json/unions/impl.rs +++ b/tests/rustdoc-json/unions/impl.rs @@ -4,7 +4,7 @@ // @has "$.index[*][?(@.name=='Ux')].inner.union" pub union Ux { a: u32, - b: u64 + b: u64, } // @is "$.index[*][?(@.name=='Num')].visibility" \"public\" diff --git a/tests/rustdoc-json/unions/union.rs b/tests/rustdoc-json/unions/union.rs index 22b70e1ce8c5..1089d9c45585 100644 --- a/tests/rustdoc-json/unions/union.rs +++ b/tests/rustdoc-json/unions/union.rs @@ -7,7 +7,6 @@ pub union Union { float: f32, } - // @has "$.index[*][?(@.name=='make_int_union')].inner.function.decl.output.resolved_path" // @is "$.index[*][?(@.name=='make_int_union')].inner.function.decl.output.resolved_path.id" $Union pub fn make_int_union(int: i32) -> Union { From 50185807d723363f5070165f514969cd675ec39a Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Tue, 4 Jun 2024 10:05:25 +1000 Subject: [PATCH 0935/1716] rustfmt `tests/rustdoc-js-std/`. This is trivial, because the directory contains no `.rs` files. --- rustfmt.toml | 1 - 1 file changed, 1 deletion(-) diff --git a/rustfmt.toml b/rustfmt.toml index 9f2dcec6f060..6966de6ce7ea 100644 --- a/rustfmt.toml +++ b/rustfmt.toml @@ -19,7 +19,6 @@ ignore = [ "/tests/run-make/translation/test.rs", # This test contains syntax errors. "/tests/rustdoc/", # Some have syntax errors, some are whitespace-sensitive. "/tests/rustdoc-gui/", # Some tests are sensitive to source code layout. - "/tests/rustdoc-js-std/", "/tests/rustdoc-ui/", "/tests/ui/", "/tests/ui-fulldeps/", From 1be65925d70de48b077c91046dd2910e13577a35 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Tue, 4 Jun 2024 10:17:58 +1000 Subject: [PATCH 0936/1716] Explain why `tests/rustdoc-ui/` is unformatted. --- rustfmt.toml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/rustfmt.toml b/rustfmt.toml index 6966de6ce7ea..135dd29ad7ca 100644 --- a/rustfmt.toml +++ b/rustfmt.toml @@ -19,7 +19,7 @@ ignore = [ "/tests/run-make/translation/test.rs", # This test contains syntax errors. "/tests/rustdoc/", # Some have syntax errors, some are whitespace-sensitive. "/tests/rustdoc-gui/", # Some tests are sensitive to source code layout. - "/tests/rustdoc-ui/", + "/tests/rustdoc-ui/", # Some have syntax errors, some are whitespace-sensitive. "/tests/ui/", "/tests/ui-fulldeps/", From 758d49e5c80989186ae65df0a5d045fb546b977e Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Tue, 4 Jun 2024 10:22:43 +1000 Subject: [PATCH 0937/1716] Explain why `tests/ui/` is unformatted. --- rustfmt.toml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/rustfmt.toml b/rustfmt.toml index 135dd29ad7ca..31d1e9b50e54 100644 --- a/rustfmt.toml +++ b/rustfmt.toml @@ -20,7 +20,7 @@ ignore = [ "/tests/rustdoc/", # Some have syntax errors, some are whitespace-sensitive. "/tests/rustdoc-gui/", # Some tests are sensitive to source code layout. "/tests/rustdoc-ui/", # Some have syntax errors, some are whitespace-sensitive. - "/tests/ui/", + "/tests/ui/", # Some have syntax errors, some are whitespace-sensitive. "/tests/ui-fulldeps/", # Do not format submodules. From d2ea692e2d4f11b0a91b14570172fde9151b06c5 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Tue, 4 Jun 2024 10:27:30 +1000 Subject: [PATCH 0938/1716] Explain why `tests/ui-fulldeps/` is unformatted. --- rustfmt.toml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/rustfmt.toml b/rustfmt.toml index 31d1e9b50e54..b15ffdca38a0 100644 --- a/rustfmt.toml +++ b/rustfmt.toml @@ -21,7 +21,7 @@ ignore = [ "/tests/rustdoc-gui/", # Some tests are sensitive to source code layout. "/tests/rustdoc-ui/", # Some have syntax errors, some are whitespace-sensitive. "/tests/ui/", # Some have syntax errors, some are whitespace-sensitive. - "/tests/ui-fulldeps/", + "/tests/ui-fulldeps/", # Some are whitespace-sensitive (e.g. `// ~ERROR` comments). # Do not format submodules. # FIXME: sync submodule list with tidy/bootstrap/etc From fd648a3c76a16a1287ed793fd28ebdc33b7124be Mon Sep 17 00:00:00 2001 From: David Carlier Date: Mon, 3 Jun 2024 19:01:35 +0000 Subject: [PATCH 0939/1716] std::unix::fs::get_path: using fcntl codepath for netbsd instead. on netbsd, procfs is not as central as on linux/solaris thus can be perfectly not mounted. Thus using fcntl with F_GETPATH, the kernel deals with MAXPATHLEN internally too. --- library/std/src/sys/pal/unix/fs.rs | 22 +++++++++++++--------- 1 file changed, 13 insertions(+), 9 deletions(-) diff --git a/library/std/src/sys/pal/unix/fs.rs b/library/std/src/sys/pal/unix/fs.rs index fbbd40bfb796..3d4452e73a64 100644 --- a/library/std/src/sys/pal/unix/fs.rs +++ b/library/std/src/sys/pal/unix/fs.rs @@ -1481,29 +1481,33 @@ impl FromRawFd for File { impl fmt::Debug for File { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - #[cfg(any( - target_os = "linux", - target_os = "netbsd", - target_os = "illumos", - target_os = "solaris" - ))] + #[cfg(any(target_os = "linux", target_os = "illumos", target_os = "solaris"))] fn get_path(fd: c_int) -> Option { let mut p = PathBuf::from("/proc/self/fd"); p.push(&fd.to_string()); readlink(&p).ok() } - #[cfg(target_vendor = "apple")] + #[cfg(any(target_vendor = "apple", target_os = "netbsd"))] fn get_path(fd: c_int) -> Option { // FIXME: The use of PATH_MAX is generally not encouraged, but it - // is inevitable in this case because Apple targets define `fcntl` + // is inevitable in this case because Apple targets and NetBSD define `fcntl` // with `F_GETPATH` in terms of `MAXPATHLEN`, and there are no // alternatives. If a better method is invented, it should be used // instead. let mut buf = vec![0; libc::PATH_MAX as usize]; let n = unsafe { libc::fcntl(fd, libc::F_GETPATH, buf.as_ptr()) }; if n == -1 { - return None; + cfg_if::cfg_if! { + if #[cfg(target_os = "netbsd")] { + // fallback to procfs as last resort + let mut p = PathBuf::from("/proc/self/fd"); + p.push(&fd.to_string()); + return readlink(&p).ok(); + } else { + return None; + } + } } let l = buf.iter().position(|&c| c == 0).unwrap(); buf.truncate(l as usize); From f67a0eb2b72294f108051381cbc833c295aadad9 Mon Sep 17 00:00:00 2001 From: bohan Date: Tue, 4 Jun 2024 12:40:41 +0800 Subject: [PATCH 0940/1716] resolve: mark it undetermined if single import is not has any bindings --- compiler/rustc_resolve/src/ident.rs | 29 +++++++++++++++++-- compiler/rustc_resolve/src/imports.rs | 4 +-- tests/crashes/124490.rs | 16 ---------- tests/crashes/125013-1.rs | 5 ---- tests/crashes/125013-2.rs | 16 ---------- .../imports/cycle-import-in-diff-module-0.rs | 14 +++++++++ .../imports/cycle-import-in-diff-module-1.rs | 14 +++++++++ .../shadow-glob-module-resolution-1.rs | 17 +++++++++++ .../shadow-glob-module-resolution-1.stderr | 23 +++++++++++++++ .../shadow-glob-module-resolution-2.rs | 19 ++++++++++++ .../shadow-glob-module-resolution-2.stderr | 26 +++++++++++++++++ 11 files changed, 142 insertions(+), 41 deletions(-) delete mode 100644 tests/crashes/124490.rs delete mode 100644 tests/crashes/125013-1.rs delete mode 100644 tests/crashes/125013-2.rs create mode 100644 tests/ui/imports/cycle-import-in-diff-module-0.rs create mode 100644 tests/ui/imports/cycle-import-in-diff-module-1.rs create mode 100644 tests/ui/imports/shadow-glob-module-resolution-1.rs create mode 100644 tests/ui/imports/shadow-glob-module-resolution-1.stderr create mode 100644 tests/ui/imports/shadow-glob-module-resolution-2.rs create mode 100644 tests/ui/imports/shadow-glob-module-resolution-2.stderr diff --git a/compiler/rustc_resolve/src/ident.rs b/compiler/rustc_resolve/src/ident.rs index 57db765c07e5..78bd3c4e49f2 100644 --- a/compiler/rustc_resolve/src/ident.rs +++ b/compiler/rustc_resolve/src/ident.rs @@ -965,6 +965,21 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { // if it can then our result is not determined and can be invalidated. for single_import in &resolution.single_imports { let Some(import_vis) = single_import.vis.get() else { + // This branch handles a cycle in single imports, which occurs + // when we've previously captured the `vis` value during an import + // process. + // + // For example: + // ``` + // use a::b; + // use b as a; + // ``` + // 1. Steal the `vis` in `use a::b` and attempt to locate `a` in the + // current module. + // 2. Encounter the import `use b as a`, which is a `single_import` for `a`, + // and try to find `b` in the current module. + // 3. Re-encounter the `use a::b` import since it's a `single_import` of `b`. + // This leads to entering this branch. continue; }; if !self.is_accessible_from(import_vis, parent_scope.module) { @@ -979,15 +994,25 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { // named imports. continue; } + let Some(module) = single_import.imported_module.get() else { return Err((Undetermined, Weak::No)); }; - let ImportKind::Single { source: ident, .. } = single_import.kind else { + let ImportKind::Single { source: ident, source_bindings, .. } = &single_import.kind + else { unreachable!(); }; + if binding.map_or(false, |binding| binding.module().is_some()) + && source_bindings.iter().all(|binding| matches!(binding.get(), Err(Undetermined))) + { + // This branch allows the binding to be defined or updated later, + // avoiding module inconsistency between the resolve process and the finalize process. + // See more details in #124840 + return Err((Undetermined, Weak::No)); + } match self.resolve_ident_in_module( module, - ident, + *ident, ns, &single_import.parent_scope, None, diff --git a/compiler/rustc_resolve/src/imports.rs b/compiler/rustc_resolve/src/imports.rs index 6bbde26db344..27ea7760f589 100644 --- a/compiler/rustc_resolve/src/imports.rs +++ b/compiler/rustc_resolve/src/imports.rs @@ -352,9 +352,9 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { (old_glob @ true, false) | (old_glob @ false, true) => { let (glob_binding, nonglob_binding) = if old_glob { (old_binding, binding) } else { (binding, old_binding) }; - if glob_binding.res() != nonglob_binding.res() - && key.ns == MacroNS + if key.ns == MacroNS && nonglob_binding.expansion != LocalExpnId::ROOT + && glob_binding.res() != nonglob_binding.res() { resolution.binding = Some(this.ambiguity( AmbiguityKind::GlobVsExpanded, diff --git a/tests/crashes/124490.rs b/tests/crashes/124490.rs deleted file mode 100644 index 9f605c32cf26..000000000000 --- a/tests/crashes/124490.rs +++ /dev/null @@ -1,16 +0,0 @@ -//@ known-bug: rust-lang/rust#124490 -use io::{self as std}; -use std::collections::{self as io}; - -mod a { - pub mod b { - pub mod c {} - } -} - -use a::*; - -use b::c; -use c as b; - -fn main() {} diff --git a/tests/crashes/125013-1.rs b/tests/crashes/125013-1.rs deleted file mode 100644 index ae66d7a14669..000000000000 --- a/tests/crashes/125013-1.rs +++ /dev/null @@ -1,5 +0,0 @@ -//@ known-bug: rust-lang/rust#125013 -//@ edition:2021 -use io::{self as std}; -use std::ops::Deref::{self as io}; -pub fn main() {} diff --git a/tests/crashes/125013-2.rs b/tests/crashes/125013-2.rs deleted file mode 100644 index a14c8a76b63e..000000000000 --- a/tests/crashes/125013-2.rs +++ /dev/null @@ -1,16 +0,0 @@ -//@ known-bug: rust-lang/rust#125013 -//@ edition:2021 -mod a { - pub mod b { - pub mod c { - pub trait D {} - } - } -} - -use a::*; - -use e as b; -use b::c::D as e; - -fn main() { } diff --git a/tests/ui/imports/cycle-import-in-diff-module-0.rs b/tests/ui/imports/cycle-import-in-diff-module-0.rs new file mode 100644 index 000000000000..962603a89716 --- /dev/null +++ b/tests/ui/imports/cycle-import-in-diff-module-0.rs @@ -0,0 +1,14 @@ +//@ check-pass + +// https://github.com/rust-lang/rust/pull/124840#issuecomment-2098148587 + +mod a { + pub(crate) use crate::S; +} +mod b { + pub struct S; +} +use self::a::S; +use self::b::*; + +fn main() {} diff --git a/tests/ui/imports/cycle-import-in-diff-module-1.rs b/tests/ui/imports/cycle-import-in-diff-module-1.rs new file mode 100644 index 000000000000..8c67df376c3f --- /dev/null +++ b/tests/ui/imports/cycle-import-in-diff-module-1.rs @@ -0,0 +1,14 @@ +//@ check-pass + +// similar `cycle-import-in-diff-module-0.rs` + +mod a { + pub(crate) use crate::s; +} +mod b { + pub mod s {} +} +use self::b::*; +use self::a::s; + +fn main() {} diff --git a/tests/ui/imports/shadow-glob-module-resolution-1.rs b/tests/ui/imports/shadow-glob-module-resolution-1.rs new file mode 100644 index 000000000000..ba1e65cddc65 --- /dev/null +++ b/tests/ui/imports/shadow-glob-module-resolution-1.rs @@ -0,0 +1,17 @@ +// https://github.com/rust-lang/rust/issues/124490 + +mod a { + pub mod b { + pub mod c {} + } +} + +use a::*; + +use b::c; +//~^ ERROR: cannot determine resolution for the import +//~| ERROR: cannot determine resolution for the import +//~| ERROR: unresolved import `b::c` +use c as b; + +fn main() {} diff --git a/tests/ui/imports/shadow-glob-module-resolution-1.stderr b/tests/ui/imports/shadow-glob-module-resolution-1.stderr new file mode 100644 index 000000000000..f9135963fe99 --- /dev/null +++ b/tests/ui/imports/shadow-glob-module-resolution-1.stderr @@ -0,0 +1,23 @@ +error: cannot determine resolution for the import + --> $DIR/shadow-glob-module-resolution-1.rs:11:5 + | +LL | use b::c; + | ^^^^ + +error: cannot determine resolution for the import + --> $DIR/shadow-glob-module-resolution-1.rs:11:5 + | +LL | use b::c; + | ^^^^ + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error[E0432]: unresolved import `b::c` + --> $DIR/shadow-glob-module-resolution-1.rs:11:5 + | +LL | use b::c; + | ^^^^ + +error: aborting due to 3 previous errors + +For more information about this error, try `rustc --explain E0432`. diff --git a/tests/ui/imports/shadow-glob-module-resolution-2.rs b/tests/ui/imports/shadow-glob-module-resolution-2.rs new file mode 100644 index 000000000000..36bd72658ae8 --- /dev/null +++ b/tests/ui/imports/shadow-glob-module-resolution-2.rs @@ -0,0 +1,19 @@ +// https://github.com/rust-lang/rust/issues/125013 + +mod a { + pub mod b { + pub mod c { + pub trait D {} + } + } +} + +use a::*; + +use e as b; +//~^ ERROR: unresolved import `e` +use b::c::D as e; +//~^ ERROR: cannot determine resolution for the import +//~| ERROR: cannot determine resolution for the import + +fn main() { } diff --git a/tests/ui/imports/shadow-glob-module-resolution-2.stderr b/tests/ui/imports/shadow-glob-module-resolution-2.stderr new file mode 100644 index 000000000000..644fcb841628 --- /dev/null +++ b/tests/ui/imports/shadow-glob-module-resolution-2.stderr @@ -0,0 +1,26 @@ +error: cannot determine resolution for the import + --> $DIR/shadow-glob-module-resolution-2.rs:15:5 + | +LL | use b::c::D as e; + | ^^^^^^^^^^^^ + +error: cannot determine resolution for the import + --> $DIR/shadow-glob-module-resolution-2.rs:15:5 + | +LL | use b::c::D as e; + | ^^^^^^^^^^^^ + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error[E0432]: unresolved import `e` + --> $DIR/shadow-glob-module-resolution-2.rs:13:5 + | +LL | use e as b; + | -^^^^^ + | | + | no `e` in the root + | help: a similar name exists in the module: `a` + +error: aborting due to 3 previous errors + +For more information about this error, try `rustc --explain E0432`. From 4798c20d31843b49bf3a5e891c1a3534f007ce61 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Thu, 30 May 2024 10:51:11 +1000 Subject: [PATCH 0941/1716] Streamline `nested` calls. `TyCtxt` impls `PpAnn` in `compiler/rustc_middle/src/hir/map/mod.rs`. We can call that impl, which then calls the one on `intravisit::Map`, instead of calling the one on `intravisit::Map` directly, avoiding a cast and extra references. --- compiler/rustc_driver_impl/src/pretty.rs | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/compiler/rustc_driver_impl/src/pretty.rs b/compiler/rustc_driver_impl/src/pretty.rs index 8acba57b7a65..31de0a747b24 100644 --- a/compiler/rustc_driver_impl/src/pretty.rs +++ b/compiler/rustc_driver_impl/src/pretty.rs @@ -3,7 +3,6 @@ use rustc_ast as ast; use rustc_ast_pretty::pprust as pprust_ast; use rustc_errors::FatalError; -use rustc_hir as hir; use rustc_hir_pretty as pprust_hir; use rustc_middle::bug; use rustc_middle::mir::{write_mir_graphviz, write_mir_pretty}; @@ -70,11 +69,7 @@ struct HirIdentifiedAnn<'tcx> { impl<'tcx> pprust_hir::PpAnn for HirIdentifiedAnn<'tcx> { fn nested(&self, state: &mut pprust_hir::State<'_>, nested: pprust_hir::Nested) { - pprust_hir::PpAnn::nested( - &(&self.tcx.hir() as &dyn hir::intravisit::Map<'_>), - state, - nested, - ) + self.tcx.nested(state, nested) } fn pre(&self, s: &mut pprust_hir::State<'_>, node: pprust_hir::AnnNode<'_>) { @@ -152,8 +147,7 @@ impl<'tcx> pprust_hir::PpAnn for HirTypedAnn<'tcx> { if let pprust_hir::Nested::Body(id) = nested { self.maybe_typeck_results.set(Some(self.tcx.typeck_body(id))); } - let pp_ann = &(&self.tcx.hir() as &dyn hir::intravisit::Map<'_>); - pprust_hir::PpAnn::nested(pp_ann, state, nested); + self.tcx.nested(state, nested); self.maybe_typeck_results.set(old_maybe_typeck_results); } From 6b47c5e24d7403e7587a3aad16bcc8aed2cbbd0a Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Tue, 4 Jun 2024 15:18:35 +1000 Subject: [PATCH 0942/1716] Remove out-of-date comment. Exhaustiveness and usefulness checking are now in `rustc_pattern_analysis`. --- compiler/rustc_mir_build/src/lib.rs | 2 -- 1 file changed, 2 deletions(-) diff --git a/compiler/rustc_mir_build/src/lib.rs b/compiler/rustc_mir_build/src/lib.rs index 74600c6b12eb..a1b8b5783491 100644 --- a/compiler/rustc_mir_build/src/lib.rs +++ b/compiler/rustc_mir_build/src/lib.rs @@ -1,6 +1,4 @@ //! Construction of MIR from HIR. -//! -//! This crate also contains the match exhaustiveness and usefulness checking. #![allow(rustc::diagnostic_outside_of_impl)] #![allow(rustc::untranslatable_diagnostic)] From 9b2e41a21800bcd56c5ce3307ab7e484f83d51b3 Mon Sep 17 00:00:00 2001 From: Raoul Strackx Date: Thu, 30 May 2024 15:22:12 +0200 Subject: [PATCH 0943/1716] Pass function for `Thread` as `Send` to `Thread::imp` --- library/std/src/thread/mod.rs | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/library/std/src/thread/mod.rs b/library/std/src/thread/mod.rs index 22215873933d..83e27dfb746c 100644 --- a/library/std/src/thread/mod.rs +++ b/library/std/src/thread/mod.rs @@ -561,7 +561,8 @@ impl Builder { let main = Box::new(main); // SAFETY: dynamic size and alignment of the Box remain the same. See below for why the // lifetime change is justified. - let main = unsafe { Box::from_raw(Box::into_raw(main) as *mut (dyn FnOnce() + 'static)) }; + let main = + unsafe { Box::from_raw(Box::into_raw(main) as *mut (dyn FnOnce() + Send + 'static)) }; Ok(JoinInner { // SAFETY: @@ -1544,7 +1545,7 @@ struct Packet<'scope, T> { // The type `T` should already always be Send (otherwise the thread could not // have been created) and the Packet is Sync because all access to the // `UnsafeCell` synchronized (by the `join()` boundary), and `ScopeData` is Sync. -unsafe impl<'scope, T: Sync> Sync for Packet<'scope, T> {} +unsafe impl<'scope, T: Send> Sync for Packet<'scope, T> {} impl<'scope, T> Drop for Packet<'scope, T> { fn drop(&mut self) { From b8c6008fbcb0a1f9f8af1ad7b6b196c950351b67 Mon Sep 17 00:00:00 2001 From: Raoul Strackx Date: Thu, 30 May 2024 15:50:44 +0200 Subject: [PATCH 0944/1716] Store `Task::p` as `dyn FnOnce() + Send` --- library/std/src/sys/pal/sgx/thread.rs | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/library/std/src/sys/pal/sgx/thread.rs b/library/std/src/sys/pal/sgx/thread.rs index d70c6e31fb73..2d936b09c708 100644 --- a/library/std/src/sys/pal/sgx/thread.rs +++ b/library/std/src/sys/pal/sgx/thread.rs @@ -28,14 +28,14 @@ mod task_queue { } pub(super) struct Task { - p: Box, + p: Box, done: JoinNotifier, } unsafe impl Send for Task {} impl Task { - pub(super) fn new(p: Box) -> (Task, JoinHandle) { + pub(super) fn new(p: Box) -> (Task, JoinHandle) { let (done, recv) = wait_notify::new(); let done = JoinNotifier(Some(done)); (Task { p, done }, recv) @@ -97,7 +97,7 @@ pub mod wait_notify { impl Thread { // unsafe: see thread::Builder::spawn_unchecked for safety requirements - pub unsafe fn new(_stack: usize, p: Box) -> io::Result { + pub unsafe fn new(_stack: usize, p: Box) -> io::Result { let mut queue_lock = task_queue::lock(); unsafe { usercalls::launch_thread()? }; let (task, handle) = task_queue::Task::new(p); From 8db363c44b1512b5ba30b10ac3ad915228276375 Mon Sep 17 00:00:00 2001 From: Raoul Strackx Date: Thu, 30 May 2024 15:50:59 +0200 Subject: [PATCH 0945/1716] Let compiler auto impl `Send` for `Task` --- library/std/src/sys/pal/sgx/thread.rs | 2 -- 1 file changed, 2 deletions(-) diff --git a/library/std/src/sys/pal/sgx/thread.rs b/library/std/src/sys/pal/sgx/thread.rs index 2d936b09c708..446cdd18b7e4 100644 --- a/library/std/src/sys/pal/sgx/thread.rs +++ b/library/std/src/sys/pal/sgx/thread.rs @@ -32,8 +32,6 @@ mod task_queue { done: JoinNotifier, } - unsafe impl Send for Task {} - impl Task { pub(super) fn new(p: Box) -> (Task, JoinHandle) { let (done, recv) = wait_notify::new(); From 5a5e2489c5143f9b1bea608bb10309994e6c091a Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Tue, 4 Jun 2024 15:28:09 +1000 Subject: [PATCH 0946/1716] Reduce `pub` exposure. A lot of errors don't need to be visible outside the crate, and some other things as well. --- .../src/build/coverageinfo/mcdc.rs | 8 +- .../rustc_mir_build/src/build/custom/parse.rs | 4 +- .../src/build/custom/parse/instruction.rs | 6 +- .../src/build/expr/as_constant.rs | 2 +- .../rustc_mir_build/src/build/expr/mod.rs | 4 +- .../rustc_mir_build/src/build/matches/util.rs | 2 +- compiler/rustc_mir_build/src/build/scope.rs | 2 +- .../rustc_mir_build/src/check_unsafety.rs | 4 +- compiler/rustc_mir_build/src/errors.rs | 518 +++++++++--------- 9 files changed, 275 insertions(+), 275 deletions(-) diff --git a/compiler/rustc_mir_build/src/build/coverageinfo/mcdc.rs b/compiler/rustc_mir_build/src/build/coverageinfo/mcdc.rs index 7d7b7caf9ef9..f97e9ef60a29 100644 --- a/compiler/rustc_mir_build/src/build/coverageinfo/mcdc.rs +++ b/compiler/rustc_mir_build/src/build/coverageinfo/mcdc.rs @@ -179,18 +179,18 @@ impl MCDCState { } } -pub struct MCDCInfoBuilder { +pub(crate) struct MCDCInfoBuilder { branch_spans: Vec, decision_spans: Vec, state: MCDCState, } impl MCDCInfoBuilder { - pub fn new() -> Self { + pub(crate) fn new() -> Self { Self { branch_spans: vec![], decision_spans: vec![], state: MCDCState::new() } } - pub fn visit_evaluated_condition( + pub(crate) fn visit_evaluated_condition( &mut self, tcx: TyCtxt<'_>, source_info: SourceInfo, @@ -243,7 +243,7 @@ impl MCDCInfoBuilder { }); } - pub fn into_done(self) -> (Vec, Vec) { + pub(crate) fn into_done(self) -> (Vec, Vec) { (self.decision_spans, self.branch_spans) } } diff --git a/compiler/rustc_mir_build/src/build/custom/parse.rs b/compiler/rustc_mir_build/src/build/custom/parse.rs index 8bcd429b67eb..9607022c6df0 100644 --- a/compiler/rustc_mir_build/src/build/custom/parse.rs +++ b/compiler/rustc_mir_build/src/build/custom/parse.rs @@ -91,7 +91,7 @@ impl<'tcx, 'body> ParseCtxt<'tcx, 'body> { } } - pub fn parse_args(&mut self, params: &IndexSlice>) -> PResult<()> { + pub(crate) fn parse_args(&mut self, params: &IndexSlice>) -> PResult<()> { for param in params.iter() { let (var, span) = { let pat = param.pat.as_ref().unwrap(); @@ -149,7 +149,7 @@ impl<'tcx, 'body> ParseCtxt<'tcx, 'body> { /// /// This allows us to easily parse the basic blocks declarations, local declarations, and /// basic block definitions in order. - pub fn parse_body(&mut self, expr_id: ExprId) -> PResult<()> { + pub(crate) fn parse_body(&mut self, expr_id: ExprId) -> PResult<()> { let body = parse_by_kind!(self, expr_id, _, "whole body", ExprKind::Block { block } => self.thir[*block].expr.unwrap(), ); diff --git a/compiler/rustc_mir_build/src/build/custom/parse/instruction.rs b/compiler/rustc_mir_build/src/build/custom/parse/instruction.rs index de748b9c85d1..b1a305efa4c6 100644 --- a/compiler/rustc_mir_build/src/build/custom/parse/instruction.rs +++ b/compiler/rustc_mir_build/src/build/custom/parse/instruction.rs @@ -12,7 +12,7 @@ use crate::build::expr::as_constant::as_constant_inner; use super::{parse_by_kind, PResult, ParseCtxt}; impl<'tcx, 'body> ParseCtxt<'tcx, 'body> { - pub fn parse_statement(&self, expr_id: ExprId) -> PResult> { + pub(crate) fn parse_statement(&self, expr_id: ExprId) -> PResult> { parse_by_kind!(self, expr_id, _, "statement", @call(mir_storage_live, args) => { Ok(StatementKind::StorageLive(self.parse_local(args[0])?)) @@ -46,7 +46,7 @@ impl<'tcx, 'body> ParseCtxt<'tcx, 'body> { ) } - pub fn parse_terminator(&self, expr_id: ExprId) -> PResult> { + pub(crate) fn parse_terminator(&self, expr_id: ExprId) -> PResult> { parse_by_kind!(self, expr_id, expr, "terminator", @call(mir_return, _args) => { Ok(TerminatorKind::Return) @@ -261,7 +261,7 @@ impl<'tcx, 'body> ParseCtxt<'tcx, 'body> { ) } - pub fn parse_operand(&self, expr_id: ExprId) -> PResult> { + pub(crate) fn parse_operand(&self, expr_id: ExprId) -> PResult> { parse_by_kind!(self, expr_id, expr, "operand", @call(mir_move, args) => self.parse_place(args[0]).map(Operand::Move), @call(mir_static, args) => self.parse_static(args[0]), diff --git a/compiler/rustc_mir_build/src/build/expr/as_constant.rs b/compiler/rustc_mir_build/src/build/expr/as_constant.rs index b4dd423f344a..f7229326c541 100644 --- a/compiler/rustc_mir_build/src/build/expr/as_constant.rs +++ b/compiler/rustc_mir_build/src/build/expr/as_constant.rs @@ -39,7 +39,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { } } -pub fn as_constant_inner<'tcx>( +pub(crate) fn as_constant_inner<'tcx>( expr: &Expr<'tcx>, push_cuta: impl FnMut(&Box>) -> Option, tcx: TyCtxt<'tcx>, diff --git a/compiler/rustc_mir_build/src/build/expr/mod.rs b/compiler/rustc_mir_build/src/build/expr/mod.rs index dfe85b858cd0..3de43a3370f3 100644 --- a/compiler/rustc_mir_build/src/build/expr/mod.rs +++ b/compiler/rustc_mir_build/src/build/expr/mod.rs @@ -62,9 +62,9 @@ pub(crate) mod as_constant; mod as_operand; -pub mod as_place; +pub(crate) mod as_place; mod as_rvalue; mod as_temp; -pub mod category; +pub(crate) mod category; mod into; mod stmt; diff --git a/compiler/rustc_mir_build/src/build/matches/util.rs b/compiler/rustc_mir_build/src/build/matches/util.rs index 770f689724af..50f4ca2d819d 100644 --- a/compiler/rustc_mir_build/src/build/matches/util.rs +++ b/compiler/rustc_mir_build/src/build/matches/util.rs @@ -456,7 +456,7 @@ impl<'a, 'b, 'tcx> FakeBorrowCollector<'a, 'b, 'tcx> { } #[must_use] -pub fn ref_pat_borrow_kind(ref_mutability: Mutability) -> BorrowKind { +pub(crate) fn ref_pat_borrow_kind(ref_mutability: Mutability) -> BorrowKind { match ref_mutability { Mutability::Mut => BorrowKind::Mut { kind: MutBorrowKind::Default }, Mutability::Not => BorrowKind::Shared, diff --git a/compiler/rustc_mir_build/src/build/scope.rs b/compiler/rustc_mir_build/src/build/scope.rs index c7850c7aea87..5b6de39bb2e7 100644 --- a/compiler/rustc_mir_build/src/build/scope.rs +++ b/compiler/rustc_mir_build/src/build/scope.rs @@ -97,7 +97,7 @@ use rustc_span::{Span, DUMMY_SP}; use tracing::{debug, instrument}; #[derive(Debug)] -pub struct Scopes<'tcx> { +pub(crate) struct Scopes<'tcx> { scopes: Vec, /// The current set of breakable scopes. See module comment for more details. diff --git a/compiler/rustc_mir_build/src/check_unsafety.rs b/compiler/rustc_mir_build/src/check_unsafety.rs index 24098282d93b..659ae1724603 100644 --- a/compiler/rustc_mir_build/src/check_unsafety.rs +++ b/compiler/rustc_mir_build/src/check_unsafety.rs @@ -597,7 +597,7 @@ enum UnsafeOpKind { use UnsafeOpKind::*; impl UnsafeOpKind { - pub fn emit_unsafe_op_in_unsafe_fn_lint( + fn emit_unsafe_op_in_unsafe_fn_lint( &self, tcx: TyCtxt<'_>, hir_id: HirId, @@ -737,7 +737,7 @@ impl UnsafeOpKind { } } - pub fn emit_requires_unsafe_err( + fn emit_requires_unsafe_err( &self, tcx: TyCtxt<'_>, span: Span, diff --git a/compiler/rustc_mir_build/src/errors.rs b/compiler/rustc_mir_build/src/errors.rs index d7ed4f57e596..cf324c03dc9f 100644 --- a/compiler/rustc_mir_build/src/errors.rs +++ b/compiler/rustc_mir_build/src/errors.rs @@ -13,111 +13,111 @@ use rustc_span::Span; #[derive(LintDiagnostic)] #[diag(mir_build_unconditional_recursion)] #[help] -pub struct UnconditionalRecursion { +pub(crate) struct UnconditionalRecursion { #[label] - pub span: Span, + pub(crate) span: Span, #[label(mir_build_unconditional_recursion_call_site_label)] - pub call_sites: Vec, + pub(crate) call_sites: Vec, } #[derive(LintDiagnostic)] #[diag(mir_build_call_to_deprecated_safe_fn_requires_unsafe)] -pub struct CallToDeprecatedSafeFnRequiresUnsafe { +pub(crate) struct CallToDeprecatedSafeFnRequiresUnsafe { #[label] - pub span: Span, - pub function: String, + pub(crate) span: Span, + pub(crate) function: String, #[subdiagnostic] - pub sub: CallToDeprecatedSafeFnRequiresUnsafeSub, + pub(crate) sub: CallToDeprecatedSafeFnRequiresUnsafeSub, } #[derive(Subdiagnostic)] #[multipart_suggestion(mir_build_suggestion, applicability = "machine-applicable")] -pub struct CallToDeprecatedSafeFnRequiresUnsafeSub { +pub(crate) struct CallToDeprecatedSafeFnRequiresUnsafeSub { #[suggestion_part(code = "unsafe {{ ")] - pub left: Span, + pub(crate) left: Span, #[suggestion_part(code = " }}")] - pub right: Span, + pub(crate) right: Span, } #[derive(LintDiagnostic)] #[diag(mir_build_unsafe_op_in_unsafe_fn_call_to_unsafe_fn_requires_unsafe, code = E0133)] #[note] -pub struct UnsafeOpInUnsafeFnCallToUnsafeFunctionRequiresUnsafe { +pub(crate) struct UnsafeOpInUnsafeFnCallToUnsafeFunctionRequiresUnsafe { #[label] - pub span: Span, - pub function: String, + pub(crate) span: Span, + pub(crate) function: String, #[subdiagnostic] - pub unsafe_not_inherited_note: Option, + pub(crate) unsafe_not_inherited_note: Option, } #[derive(LintDiagnostic)] #[diag(mir_build_unsafe_op_in_unsafe_fn_call_to_unsafe_fn_requires_unsafe_nameless, code = E0133)] #[note] -pub struct UnsafeOpInUnsafeFnCallToUnsafeFunctionRequiresUnsafeNameless { +pub(crate) struct UnsafeOpInUnsafeFnCallToUnsafeFunctionRequiresUnsafeNameless { #[label] - pub span: Span, + pub(crate) span: Span, #[subdiagnostic] - pub unsafe_not_inherited_note: Option, + pub(crate) unsafe_not_inherited_note: Option, } #[derive(LintDiagnostic)] #[diag(mir_build_unsafe_op_in_unsafe_fn_inline_assembly_requires_unsafe, code = E0133)] #[note] -pub struct UnsafeOpInUnsafeFnUseOfInlineAssemblyRequiresUnsafe { +pub(crate) struct UnsafeOpInUnsafeFnUseOfInlineAssemblyRequiresUnsafe { #[label] - pub span: Span, + pub(crate) span: Span, #[subdiagnostic] - pub unsafe_not_inherited_note: Option, + pub(crate) unsafe_not_inherited_note: Option, } #[derive(LintDiagnostic)] #[diag(mir_build_unsafe_op_in_unsafe_fn_initializing_type_with_requires_unsafe, code = E0133)] #[note] -pub struct UnsafeOpInUnsafeFnInitializingTypeWithRequiresUnsafe { +pub(crate) struct UnsafeOpInUnsafeFnInitializingTypeWithRequiresUnsafe { #[label] - pub span: Span, + pub(crate) span: Span, #[subdiagnostic] - pub unsafe_not_inherited_note: Option, + pub(crate) unsafe_not_inherited_note: Option, } #[derive(LintDiagnostic)] #[diag(mir_build_unsafe_op_in_unsafe_fn_mutable_static_requires_unsafe, code = E0133)] #[note] -pub struct UnsafeOpInUnsafeFnUseOfMutableStaticRequiresUnsafe { +pub(crate) struct UnsafeOpInUnsafeFnUseOfMutableStaticRequiresUnsafe { #[label] - pub span: Span, + pub(crate) span: Span, #[subdiagnostic] - pub unsafe_not_inherited_note: Option, + pub(crate) unsafe_not_inherited_note: Option, } #[derive(LintDiagnostic)] #[diag(mir_build_unsafe_op_in_unsafe_fn_extern_static_requires_unsafe, code = E0133)] #[note] -pub struct UnsafeOpInUnsafeFnUseOfExternStaticRequiresUnsafe { +pub(crate) struct UnsafeOpInUnsafeFnUseOfExternStaticRequiresUnsafe { #[label] - pub span: Span, + pub(crate) span: Span, #[subdiagnostic] - pub unsafe_not_inherited_note: Option, + pub(crate) unsafe_not_inherited_note: Option, } #[derive(LintDiagnostic)] #[diag(mir_build_unsafe_op_in_unsafe_fn_deref_raw_pointer_requires_unsafe, code = E0133)] #[note] -pub struct UnsafeOpInUnsafeFnDerefOfRawPointerRequiresUnsafe { +pub(crate) struct UnsafeOpInUnsafeFnDerefOfRawPointerRequiresUnsafe { #[label] - pub span: Span, + pub(crate) span: Span, #[subdiagnostic] - pub unsafe_not_inherited_note: Option, + pub(crate) unsafe_not_inherited_note: Option, } #[derive(LintDiagnostic)] #[diag(mir_build_unsafe_op_in_unsafe_fn_union_field_requires_unsafe, code = E0133)] #[note] -pub struct UnsafeOpInUnsafeFnAccessToUnionFieldRequiresUnsafe { +pub(crate) struct UnsafeOpInUnsafeFnAccessToUnionFieldRequiresUnsafe { #[label] - pub span: Span, + pub(crate) span: Span, #[subdiagnostic] - pub unsafe_not_inherited_note: Option, + pub(crate) unsafe_not_inherited_note: Option, } #[derive(LintDiagnostic)] @@ -126,11 +126,11 @@ pub struct UnsafeOpInUnsafeFnAccessToUnionFieldRequiresUnsafe { code = E0133 )] #[note] -pub struct UnsafeOpInUnsafeFnMutationOfLayoutConstrainedFieldRequiresUnsafe { +pub(crate) struct UnsafeOpInUnsafeFnMutationOfLayoutConstrainedFieldRequiresUnsafe { #[label] - pub span: Span, + pub(crate) span: Span, #[subdiagnostic] - pub unsafe_not_inherited_note: Option, + pub(crate) unsafe_not_inherited_note: Option, } #[derive(LintDiagnostic)] @@ -138,63 +138,63 @@ pub struct UnsafeOpInUnsafeFnMutationOfLayoutConstrainedFieldRequiresUnsafe { mir_build_unsafe_op_in_unsafe_fn_borrow_of_layout_constrained_field_requires_unsafe, code = E0133, )] -pub struct UnsafeOpInUnsafeFnBorrowOfLayoutConstrainedFieldRequiresUnsafe { +pub(crate) struct UnsafeOpInUnsafeFnBorrowOfLayoutConstrainedFieldRequiresUnsafe { #[label] - pub span: Span, + pub(crate) span: Span, #[subdiagnostic] - pub unsafe_not_inherited_note: Option, + pub(crate) unsafe_not_inherited_note: Option, } #[derive(LintDiagnostic)] #[diag(mir_build_unsafe_op_in_unsafe_fn_call_to_fn_with_requires_unsafe, code = E0133)] #[help] -pub struct UnsafeOpInUnsafeFnCallToFunctionWithRequiresUnsafe { +pub(crate) struct UnsafeOpInUnsafeFnCallToFunctionWithRequiresUnsafe { #[label] - pub span: Span, - pub function: String, - pub missing_target_features: DiagArgValue, - pub missing_target_features_count: usize, + pub(crate) span: Span, + pub(crate) function: String, + pub(crate) missing_target_features: DiagArgValue, + pub(crate) missing_target_features_count: usize, #[note] - pub note: Option<()>, - pub build_target_features: DiagArgValue, - pub build_target_features_count: usize, + pub(crate) note: Option<()>, + pub(crate) build_target_features: DiagArgValue, + pub(crate) build_target_features_count: usize, #[subdiagnostic] - pub unsafe_not_inherited_note: Option, + pub(crate) unsafe_not_inherited_note: Option, } #[derive(Diagnostic)] #[diag(mir_build_call_to_unsafe_fn_requires_unsafe, code = E0133)] #[note] -pub struct CallToUnsafeFunctionRequiresUnsafe { +pub(crate) struct CallToUnsafeFunctionRequiresUnsafe { #[primary_span] #[label] - pub span: Span, - pub function: String, + pub(crate) span: Span, + pub(crate) function: String, #[subdiagnostic] - pub unsafe_not_inherited_note: Option, + pub(crate) unsafe_not_inherited_note: Option, } #[derive(Diagnostic)] #[diag(mir_build_call_to_unsafe_fn_requires_unsafe_nameless, code = E0133)] #[note] -pub struct CallToUnsafeFunctionRequiresUnsafeNameless { +pub(crate) struct CallToUnsafeFunctionRequiresUnsafeNameless { #[primary_span] #[label] - pub span: Span, + pub(crate) span: Span, #[subdiagnostic] - pub unsafe_not_inherited_note: Option, + pub(crate) unsafe_not_inherited_note: Option, } #[derive(Diagnostic)] #[diag(mir_build_call_to_unsafe_fn_requires_unsafe_unsafe_op_in_unsafe_fn_allowed, code = E0133)] #[note] -pub struct CallToUnsafeFunctionRequiresUnsafeUnsafeOpInUnsafeFnAllowed { +pub(crate) struct CallToUnsafeFunctionRequiresUnsafeUnsafeOpInUnsafeFnAllowed { #[primary_span] #[label] - pub span: Span, - pub function: String, + pub(crate) span: Span, + pub(crate) function: String, #[subdiagnostic] - pub unsafe_not_inherited_note: Option, + pub(crate) unsafe_not_inherited_note: Option, } #[derive(Diagnostic)] @@ -203,45 +203,45 @@ pub struct CallToUnsafeFunctionRequiresUnsafeUnsafeOpInUnsafeFnAllowed { code = E0133 )] #[note] -pub struct CallToUnsafeFunctionRequiresUnsafeNamelessUnsafeOpInUnsafeFnAllowed { +pub(crate) struct CallToUnsafeFunctionRequiresUnsafeNamelessUnsafeOpInUnsafeFnAllowed { #[primary_span] #[label] - pub span: Span, + pub(crate) span: Span, #[subdiagnostic] - pub unsafe_not_inherited_note: Option, + pub(crate) unsafe_not_inherited_note: Option, } #[derive(Diagnostic)] #[diag(mir_build_inline_assembly_requires_unsafe, code = E0133)] #[note] -pub struct UseOfInlineAssemblyRequiresUnsafe { +pub(crate) struct UseOfInlineAssemblyRequiresUnsafe { #[primary_span] #[label] - pub span: Span, + pub(crate) span: Span, #[subdiagnostic] - pub unsafe_not_inherited_note: Option, + pub(crate) unsafe_not_inherited_note: Option, } #[derive(Diagnostic)] #[diag(mir_build_inline_assembly_requires_unsafe_unsafe_op_in_unsafe_fn_allowed, code = E0133)] #[note] -pub struct UseOfInlineAssemblyRequiresUnsafeUnsafeOpInUnsafeFnAllowed { +pub(crate) struct UseOfInlineAssemblyRequiresUnsafeUnsafeOpInUnsafeFnAllowed { #[primary_span] #[label] - pub span: Span, + pub(crate) span: Span, #[subdiagnostic] - pub unsafe_not_inherited_note: Option, + pub(crate) unsafe_not_inherited_note: Option, } #[derive(Diagnostic)] #[diag(mir_build_initializing_type_with_requires_unsafe, code = E0133)] #[note] -pub struct InitializingTypeWithRequiresUnsafe { +pub(crate) struct InitializingTypeWithRequiresUnsafe { #[primary_span] #[label] - pub span: Span, + pub(crate) span: Span, #[subdiagnostic] - pub unsafe_not_inherited_note: Option, + pub(crate) unsafe_not_inherited_note: Option, } #[derive(Diagnostic)] @@ -250,111 +250,111 @@ pub struct InitializingTypeWithRequiresUnsafe { code = E0133 )] #[note] -pub struct InitializingTypeWithRequiresUnsafeUnsafeOpInUnsafeFnAllowed { +pub(crate) struct InitializingTypeWithRequiresUnsafeUnsafeOpInUnsafeFnAllowed { #[primary_span] #[label] - pub span: Span, + pub(crate) span: Span, #[subdiagnostic] - pub unsafe_not_inherited_note: Option, + pub(crate) unsafe_not_inherited_note: Option, } #[derive(Diagnostic)] #[diag(mir_build_mutable_static_requires_unsafe, code = E0133)] #[note] -pub struct UseOfMutableStaticRequiresUnsafe { +pub(crate) struct UseOfMutableStaticRequiresUnsafe { #[primary_span] #[label] - pub span: Span, + pub(crate) span: Span, #[subdiagnostic] - pub unsafe_not_inherited_note: Option, + pub(crate) unsafe_not_inherited_note: Option, } #[derive(Diagnostic)] #[diag(mir_build_mutable_static_requires_unsafe_unsafe_op_in_unsafe_fn_allowed, code = E0133)] #[note] -pub struct UseOfMutableStaticRequiresUnsafeUnsafeOpInUnsafeFnAllowed { +pub(crate) struct UseOfMutableStaticRequiresUnsafeUnsafeOpInUnsafeFnAllowed { #[primary_span] #[label] - pub span: Span, + pub(crate) span: Span, #[subdiagnostic] - pub unsafe_not_inherited_note: Option, + pub(crate) unsafe_not_inherited_note: Option, } #[derive(Diagnostic)] #[diag(mir_build_extern_static_requires_unsafe, code = E0133)] #[note] -pub struct UseOfExternStaticRequiresUnsafe { +pub(crate) struct UseOfExternStaticRequiresUnsafe { #[primary_span] #[label] - pub span: Span, + pub(crate) span: Span, #[subdiagnostic] - pub unsafe_not_inherited_note: Option, + pub(crate) unsafe_not_inherited_note: Option, } #[derive(Diagnostic)] #[diag(mir_build_extern_static_requires_unsafe_unsafe_op_in_unsafe_fn_allowed, code = E0133)] #[note] -pub struct UseOfExternStaticRequiresUnsafeUnsafeOpInUnsafeFnAllowed { +pub(crate) struct UseOfExternStaticRequiresUnsafeUnsafeOpInUnsafeFnAllowed { #[primary_span] #[label] - pub span: Span, + pub(crate) span: Span, #[subdiagnostic] - pub unsafe_not_inherited_note: Option, + pub(crate) unsafe_not_inherited_note: Option, } #[derive(Diagnostic)] #[diag(mir_build_deref_raw_pointer_requires_unsafe, code = E0133)] #[note] -pub struct DerefOfRawPointerRequiresUnsafe { +pub(crate) struct DerefOfRawPointerRequiresUnsafe { #[primary_span] #[label] - pub span: Span, + pub(crate) span: Span, #[subdiagnostic] - pub unsafe_not_inherited_note: Option, + pub(crate) unsafe_not_inherited_note: Option, } #[derive(Diagnostic)] #[diag(mir_build_deref_raw_pointer_requires_unsafe_unsafe_op_in_unsafe_fn_allowed, code = E0133)] #[note] -pub struct DerefOfRawPointerRequiresUnsafeUnsafeOpInUnsafeFnAllowed { +pub(crate) struct DerefOfRawPointerRequiresUnsafeUnsafeOpInUnsafeFnAllowed { #[primary_span] #[label] - pub span: Span, + pub(crate) span: Span, #[subdiagnostic] - pub unsafe_not_inherited_note: Option, + pub(crate) unsafe_not_inherited_note: Option, } #[derive(Diagnostic)] #[diag(mir_build_union_field_requires_unsafe, code = E0133)] #[note] -pub struct AccessToUnionFieldRequiresUnsafe { +pub(crate) struct AccessToUnionFieldRequiresUnsafe { #[primary_span] #[label] - pub span: Span, + pub(crate) span: Span, #[subdiagnostic] - pub unsafe_not_inherited_note: Option, + pub(crate) unsafe_not_inherited_note: Option, } #[derive(Diagnostic)] #[diag(mir_build_union_field_requires_unsafe_unsafe_op_in_unsafe_fn_allowed, code = E0133)] #[note] -pub struct AccessToUnionFieldRequiresUnsafeUnsafeOpInUnsafeFnAllowed { +pub(crate) struct AccessToUnionFieldRequiresUnsafeUnsafeOpInUnsafeFnAllowed { #[primary_span] #[label] - pub span: Span, + pub(crate) span: Span, #[subdiagnostic] - pub unsafe_not_inherited_note: Option, + pub(crate) unsafe_not_inherited_note: Option, } #[derive(Diagnostic)] #[diag(mir_build_mutation_of_layout_constrained_field_requires_unsafe, code = E0133)] #[note] -pub struct MutationOfLayoutConstrainedFieldRequiresUnsafe { +pub(crate) struct MutationOfLayoutConstrainedFieldRequiresUnsafe { #[primary_span] #[label] - pub span: Span, + pub(crate) span: Span, #[subdiagnostic] - pub unsafe_not_inherited_note: Option, + pub(crate) unsafe_not_inherited_note: Option, } #[derive(Diagnostic)] @@ -363,23 +363,23 @@ pub struct MutationOfLayoutConstrainedFieldRequiresUnsafe { code = E0133 )] #[note] -pub struct MutationOfLayoutConstrainedFieldRequiresUnsafeUnsafeOpInUnsafeFnAllowed { +pub(crate) struct MutationOfLayoutConstrainedFieldRequiresUnsafeUnsafeOpInUnsafeFnAllowed { #[primary_span] #[label] - pub span: Span, + pub(crate) span: Span, #[subdiagnostic] - pub unsafe_not_inherited_note: Option, + pub(crate) unsafe_not_inherited_note: Option, } #[derive(Diagnostic)] #[diag(mir_build_borrow_of_layout_constrained_field_requires_unsafe, code = E0133)] #[note] -pub struct BorrowOfLayoutConstrainedFieldRequiresUnsafe { +pub(crate) struct BorrowOfLayoutConstrainedFieldRequiresUnsafe { #[primary_span] #[label] - pub span: Span, + pub(crate) span: Span, #[subdiagnostic] - pub unsafe_not_inherited_note: Option, + pub(crate) unsafe_not_inherited_note: Option, } #[derive(Diagnostic)] @@ -388,60 +388,60 @@ pub struct BorrowOfLayoutConstrainedFieldRequiresUnsafe { code = E0133 )] #[note] -pub struct BorrowOfLayoutConstrainedFieldRequiresUnsafeUnsafeOpInUnsafeFnAllowed { +pub(crate) struct BorrowOfLayoutConstrainedFieldRequiresUnsafeUnsafeOpInUnsafeFnAllowed { #[primary_span] #[label] - pub span: Span, + pub(crate) span: Span, #[subdiagnostic] - pub unsafe_not_inherited_note: Option, + pub(crate) unsafe_not_inherited_note: Option, } #[derive(Diagnostic)] #[diag(mir_build_call_to_fn_with_requires_unsafe, code = E0133)] #[help] -pub struct CallToFunctionWithRequiresUnsafe { +pub(crate) struct CallToFunctionWithRequiresUnsafe { #[primary_span] #[label] - pub span: Span, - pub function: String, - pub missing_target_features: DiagArgValue, - pub missing_target_features_count: usize, + pub(crate) span: Span, + pub(crate) function: String, + pub(crate) missing_target_features: DiagArgValue, + pub(crate) missing_target_features_count: usize, #[note] - pub note: Option<()>, - pub build_target_features: DiagArgValue, - pub build_target_features_count: usize, + pub(crate) note: Option<()>, + pub(crate) build_target_features: DiagArgValue, + pub(crate) build_target_features_count: usize, #[subdiagnostic] - pub unsafe_not_inherited_note: Option, + pub(crate) unsafe_not_inherited_note: Option, } #[derive(Diagnostic)] #[diag(mir_build_call_to_fn_with_requires_unsafe_unsafe_op_in_unsafe_fn_allowed, code = E0133)] #[help] -pub struct CallToFunctionWithRequiresUnsafeUnsafeOpInUnsafeFnAllowed { +pub(crate) struct CallToFunctionWithRequiresUnsafeUnsafeOpInUnsafeFnAllowed { #[primary_span] #[label] - pub span: Span, - pub function: String, - pub missing_target_features: DiagArgValue, - pub missing_target_features_count: usize, + pub(crate) span: Span, + pub(crate) function: String, + pub(crate) missing_target_features: DiagArgValue, + pub(crate) missing_target_features_count: usize, #[note] - pub note: Option<()>, - pub build_target_features: DiagArgValue, - pub build_target_features_count: usize, + pub(crate) note: Option<()>, + pub(crate) build_target_features: DiagArgValue, + pub(crate) build_target_features_count: usize, #[subdiagnostic] - pub unsafe_not_inherited_note: Option, + pub(crate) unsafe_not_inherited_note: Option, } #[derive(Subdiagnostic)] #[label(mir_build_unsafe_not_inherited)] -pub struct UnsafeNotInheritedNote { +pub(crate) struct UnsafeNotInheritedNote { #[primary_span] - pub span: Span, + pub(crate) span: Span, } -pub struct UnsafeNotInheritedLintNote { - pub signature_span: Span, - pub body_span: Span, +pub(crate) struct UnsafeNotInheritedLintNote { + pub(crate) signature_span: Span, + pub(crate) body_span: Span, } impl Subdiagnostic for UnsafeNotInheritedLintNote { @@ -463,15 +463,15 @@ impl Subdiagnostic for UnsafeNotInheritedLintNote { #[derive(LintDiagnostic)] #[diag(mir_build_unused_unsafe)] -pub struct UnusedUnsafe { +pub(crate) struct UnusedUnsafe { #[label] - pub span: Span, + pub(crate) span: Span, #[subdiagnostic] - pub enclosing: Option, + pub(crate) enclosing: Option, } #[derive(Subdiagnostic)] -pub enum UnusedUnsafeEnclosing { +pub(crate) enum UnusedUnsafeEnclosing { #[label(mir_build_unused_unsafe_enclosing_block_label)] Block { #[primary_span] @@ -480,10 +480,10 @@ pub enum UnusedUnsafeEnclosing { } pub(crate) struct NonExhaustivePatternsTypeNotEmpty<'p, 'tcx, 'm> { - pub cx: &'m RustcPatCtxt<'p, 'tcx>, - pub scrut_span: Span, - pub braces_span: Option, - pub ty: Ty<'tcx>, + pub(crate) cx: &'m RustcPatCtxt<'p, 'tcx>, + pub(crate) scrut_span: Span, + pub(crate) braces_span: Option, + pub(crate) ty: Ty<'tcx>, } impl<'a, G: EmissionGuarantee> Diagnostic<'a, G> for NonExhaustivePatternsTypeNotEmpty<'_, '_, '_> { @@ -552,197 +552,197 @@ impl<'a, G: EmissionGuarantee> Diagnostic<'a, G> for NonExhaustivePatternsTypeNo #[derive(Subdiagnostic)] #[note(mir_build_non_exhaustive_match_all_arms_guarded)] -pub struct NonExhaustiveMatchAllArmsGuarded; +pub(crate) struct NonExhaustiveMatchAllArmsGuarded; #[derive(Diagnostic)] #[diag(mir_build_static_in_pattern, code = E0158)] -pub struct StaticInPattern { +pub(crate) struct StaticInPattern { #[primary_span] - pub span: Span, + pub(crate) span: Span, } #[derive(Diagnostic)] #[diag(mir_build_assoc_const_in_pattern, code = E0158)] -pub struct AssocConstInPattern { +pub(crate) struct AssocConstInPattern { #[primary_span] - pub span: Span, + pub(crate) span: Span, } #[derive(Diagnostic)] #[diag(mir_build_const_param_in_pattern, code = E0158)] -pub struct ConstParamInPattern { +pub(crate) struct ConstParamInPattern { #[primary_span] - pub span: Span, + pub(crate) span: Span, } #[derive(Diagnostic)] #[diag(mir_build_non_const_path, code = E0080)] -pub struct NonConstPath { +pub(crate) struct NonConstPath { #[primary_span] - pub span: Span, + pub(crate) span: Span, } #[derive(LintDiagnostic)] #[diag(mir_build_unreachable_pattern)] -pub struct UnreachablePattern { +pub(crate) struct UnreachablePattern { #[label] - pub span: Option, + pub(crate) span: Option, #[label(mir_build_catchall_label)] - pub catchall: Option, + pub(crate) catchall: Option, } #[derive(Diagnostic)] #[diag(mir_build_const_pattern_depends_on_generic_parameter)] -pub struct ConstPatternDependsOnGenericParameter { +pub(crate) struct ConstPatternDependsOnGenericParameter { #[primary_span] - pub span: Span, + pub(crate) span: Span, } #[derive(Diagnostic)] #[diag(mir_build_could_not_eval_const_pattern)] -pub struct CouldNotEvalConstPattern { +pub(crate) struct CouldNotEvalConstPattern { #[primary_span] - pub span: Span, + pub(crate) span: Span, } #[derive(Diagnostic)] #[diag(mir_build_lower_range_bound_must_be_less_than_or_equal_to_upper, code = E0030)] -pub struct LowerRangeBoundMustBeLessThanOrEqualToUpper { +pub(crate) struct LowerRangeBoundMustBeLessThanOrEqualToUpper { #[primary_span] #[label] - pub span: Span, + pub(crate) span: Span, #[note(mir_build_teach_note)] - pub teach: Option<()>, + pub(crate) teach: Option<()>, } #[derive(Diagnostic)] #[diag(mir_build_literal_in_range_out_of_bounds)] -pub struct LiteralOutOfRange<'tcx> { +pub(crate) struct LiteralOutOfRange<'tcx> { #[primary_span] #[label] - pub span: Span, - pub ty: Ty<'tcx>, - pub min: i128, - pub max: u128, + pub(crate) span: Span, + pub(crate) ty: Ty<'tcx>, + pub(crate) min: i128, + pub(crate) max: u128, } #[derive(Diagnostic)] #[diag(mir_build_lower_range_bound_must_be_less_than_upper, code = E0579)] -pub struct LowerRangeBoundMustBeLessThanUpper { +pub(crate) struct LowerRangeBoundMustBeLessThanUpper { #[primary_span] - pub span: Span, + pub(crate) span: Span, } #[derive(LintDiagnostic)] #[diag(mir_build_leading_irrefutable_let_patterns)] #[note] #[help] -pub struct LeadingIrrefutableLetPatterns { - pub count: usize, +pub(crate) struct LeadingIrrefutableLetPatterns { + pub(crate) count: usize, } #[derive(LintDiagnostic)] #[diag(mir_build_trailing_irrefutable_let_patterns)] #[note] #[help] -pub struct TrailingIrrefutableLetPatterns { - pub count: usize, +pub(crate) struct TrailingIrrefutableLetPatterns { + pub(crate) count: usize, } #[derive(LintDiagnostic)] #[diag(mir_build_bindings_with_variant_name, code = E0170)] -pub struct BindingsWithVariantName { +pub(crate) struct BindingsWithVariantName { #[suggestion(code = "{ty_path}::{name}", applicability = "machine-applicable")] - pub suggestion: Option, - pub ty_path: String, - pub name: Symbol, + pub(crate) suggestion: Option, + pub(crate) ty_path: String, + pub(crate) name: Symbol, } #[derive(LintDiagnostic)] #[diag(mir_build_irrefutable_let_patterns_if_let)] #[note] #[help] -pub struct IrrefutableLetPatternsIfLet { - pub count: usize, +pub(crate) struct IrrefutableLetPatternsIfLet { + pub(crate) count: usize, } #[derive(LintDiagnostic)] #[diag(mir_build_irrefutable_let_patterns_if_let_guard)] #[note] #[help] -pub struct IrrefutableLetPatternsIfLetGuard { - pub count: usize, +pub(crate) struct IrrefutableLetPatternsIfLetGuard { + pub(crate) count: usize, } #[derive(LintDiagnostic)] #[diag(mir_build_irrefutable_let_patterns_let_else)] #[note] #[help] -pub struct IrrefutableLetPatternsLetElse { - pub count: usize, +pub(crate) struct IrrefutableLetPatternsLetElse { + pub(crate) count: usize, } #[derive(LintDiagnostic)] #[diag(mir_build_irrefutable_let_patterns_while_let)] #[note] #[help] -pub struct IrrefutableLetPatternsWhileLet { - pub count: usize, +pub(crate) struct IrrefutableLetPatternsWhileLet { + pub(crate) count: usize, } #[derive(Diagnostic)] #[diag(mir_build_borrow_of_moved_value)] -pub struct BorrowOfMovedValue<'tcx> { +pub(crate) struct BorrowOfMovedValue<'tcx> { #[primary_span] #[label] #[label(mir_build_occurs_because_label)] - pub binding_span: Span, + pub(crate) binding_span: Span, #[label(mir_build_value_borrowed_label)] - pub conflicts_ref: Vec, - pub name: Symbol, - pub ty: Ty<'tcx>, + pub(crate) conflicts_ref: Vec, + pub(crate) name: Symbol, + pub(crate) ty: Ty<'tcx>, #[suggestion(code = "ref ", applicability = "machine-applicable")] - pub suggest_borrowing: Option, + pub(crate) suggest_borrowing: Option, } #[derive(Diagnostic)] #[diag(mir_build_multiple_mut_borrows)] -pub struct MultipleMutBorrows { +pub(crate) struct MultipleMutBorrows { #[primary_span] - pub span: Span, + pub(crate) span: Span, #[subdiagnostic] - pub occurrences: Vec, + pub(crate) occurrences: Vec, } #[derive(Diagnostic)] #[diag(mir_build_already_borrowed)] -pub struct AlreadyBorrowed { +pub(crate) struct AlreadyBorrowed { #[primary_span] - pub span: Span, + pub(crate) span: Span, #[subdiagnostic] - pub occurrences: Vec, + pub(crate) occurrences: Vec, } #[derive(Diagnostic)] #[diag(mir_build_already_mut_borrowed)] -pub struct AlreadyMutBorrowed { +pub(crate) struct AlreadyMutBorrowed { #[primary_span] - pub span: Span, + pub(crate) span: Span, #[subdiagnostic] - pub occurrences: Vec, + pub(crate) occurrences: Vec, } #[derive(Diagnostic)] #[diag(mir_build_moved_while_borrowed)] -pub struct MovedWhileBorrowed { +pub(crate) struct MovedWhileBorrowed { #[primary_span] - pub span: Span, + pub(crate) span: Span, #[subdiagnostic] - pub occurrences: Vec, + pub(crate) occurrences: Vec, } #[derive(Subdiagnostic)] -pub enum Conflict { +pub(crate) enum Conflict { #[label(mir_build_mutable_borrow)] Mut { #[primary_span] @@ -765,118 +765,118 @@ pub enum Conflict { #[derive(Diagnostic)] #[diag(mir_build_union_pattern)] -pub struct UnionPattern { +pub(crate) struct UnionPattern { #[primary_span] - pub span: Span, + pub(crate) span: Span, } #[derive(Diagnostic)] #[diag(mir_build_type_not_structural)] #[note(mir_build_type_not_structural_tip)] #[note(mir_build_type_not_structural_more_info)] -pub struct TypeNotStructural<'tcx> { +pub(crate) struct TypeNotStructural<'tcx> { #[primary_span] - pub span: Span, - pub non_sm_ty: Ty<'tcx>, + pub(crate) span: Span, + pub(crate) non_sm_ty: Ty<'tcx>, } #[derive(Diagnostic)] #[diag(mir_build_non_partial_eq_match)] -pub struct TypeNotPartialEq<'tcx> { +pub(crate) struct TypeNotPartialEq<'tcx> { #[primary_span] - pub span: Span, - pub non_peq_ty: Ty<'tcx>, + pub(crate) span: Span, + pub(crate) non_peq_ty: Ty<'tcx>, } #[derive(Diagnostic)] #[diag(mir_build_invalid_pattern)] -pub struct InvalidPattern<'tcx> { +pub(crate) struct InvalidPattern<'tcx> { #[primary_span] - pub span: Span, - pub non_sm_ty: Ty<'tcx>, + pub(crate) span: Span, + pub(crate) non_sm_ty: Ty<'tcx>, } #[derive(Diagnostic)] #[diag(mir_build_unsized_pattern)] -pub struct UnsizedPattern<'tcx> { +pub(crate) struct UnsizedPattern<'tcx> { #[primary_span] - pub span: Span, - pub non_sm_ty: Ty<'tcx>, + pub(crate) span: Span, + pub(crate) non_sm_ty: Ty<'tcx>, } #[derive(Diagnostic)] #[diag(mir_build_nan_pattern)] #[note] #[help] -pub struct NaNPattern { +pub(crate) struct NaNPattern { #[primary_span] - pub span: Span, + pub(crate) span: Span, } #[derive(Diagnostic)] #[diag(mir_build_pointer_pattern)] -pub struct PointerPattern { +pub(crate) struct PointerPattern { #[primary_span] - pub span: Span, + pub(crate) span: Span, } #[derive(Diagnostic)] #[diag(mir_build_non_empty_never_pattern)] #[note] -pub struct NonEmptyNeverPattern<'tcx> { +pub(crate) struct NonEmptyNeverPattern<'tcx> { #[primary_span] #[label] - pub span: Span, - pub ty: Ty<'tcx>, + pub(crate) span: Span, + pub(crate) ty: Ty<'tcx>, } #[derive(Diagnostic)] #[diag(mir_build_exceeds_mcdc_condition_limit)] pub(crate) struct MCDCExceedsConditionLimit { #[primary_span] - pub span: Span, - pub num_conditions: usize, - pub max_conditions: usize, + pub(crate) span: Span, + pub(crate) num_conditions: usize, + pub(crate) max_conditions: usize, } #[derive(Diagnostic)] #[diag(mir_build_pattern_not_covered, code = E0005)] pub(crate) struct PatternNotCovered<'s, 'tcx> { #[primary_span] - pub span: Span, - pub origin: &'s str, + pub(crate) span: Span, + pub(crate) origin: &'s str, #[subdiagnostic] - pub uncovered: Uncovered<'tcx>, + pub(crate) uncovered: Uncovered<'tcx>, #[subdiagnostic] - pub inform: Option, + pub(crate) inform: Option, #[subdiagnostic] - pub interpreted_as_const: Option, + pub(crate) interpreted_as_const: Option, #[subdiagnostic] - pub adt_defined_here: Option>, + pub(crate) adt_defined_here: Option>, #[note(mir_build_privately_uninhabited)] - pub witness_1_is_privately_uninhabited: Option<()>, + pub(crate) witness_1_is_privately_uninhabited: Option<()>, #[note(mir_build_pattern_ty)] - pub _p: (), - pub pattern_ty: Ty<'tcx>, + pub(crate) _p: (), + pub(crate) pattern_ty: Ty<'tcx>, #[subdiagnostic] - pub let_suggestion: Option, + pub(crate) let_suggestion: Option, #[subdiagnostic] - pub misc_suggestion: Option, + pub(crate) misc_suggestion: Option, } #[derive(Subdiagnostic)] #[note(mir_build_inform_irrefutable)] #[note(mir_build_more_information)] -pub struct Inform; +pub(crate) struct Inform; -pub struct AdtDefinedHere<'tcx> { - pub adt_def_span: Span, - pub ty: Ty<'tcx>, - pub variants: Vec, +pub(crate) struct AdtDefinedHere<'tcx> { + pub(crate) adt_def_span: Span, + pub(crate) ty: Ty<'tcx>, + pub(crate) variants: Vec, } -pub struct Variant { - pub span: Span, +pub(crate) struct Variant { + pub(crate) span: Span, } impl<'tcx> Subdiagnostic for AdtDefinedHere<'tcx> { @@ -903,14 +903,14 @@ impl<'tcx> Subdiagnostic for AdtDefinedHere<'tcx> { applicability = "maybe-incorrect" )] #[label(mir_build_confused)] -pub struct InterpretedAsConst { +pub(crate) struct InterpretedAsConst { #[primary_span] - pub span: Span, - pub variable: String, + pub(crate) span: Span, + pub(crate) variable: String, } #[derive(Subdiagnostic)] -pub enum SuggestLet { +pub(crate) enum SuggestLet { #[multipart_suggestion(mir_build_suggest_if_let, applicability = "has-placeholders")] If { #[suggestion_part(code = "if ")] @@ -932,7 +932,7 @@ pub enum SuggestLet { } #[derive(Subdiagnostic)] -pub enum MiscPatternSuggestion { +pub(crate) enum MiscPatternSuggestion { #[suggestion( mir_build_suggest_attempted_int_lit, code = "_", @@ -946,15 +946,15 @@ pub enum MiscPatternSuggestion { #[derive(Diagnostic)] #[diag(mir_build_rustc_box_attribute_error)] -pub struct RustcBoxAttributeError { +pub(crate) struct RustcBoxAttributeError { #[primary_span] - pub span: Span, + pub(crate) span: Span, #[subdiagnostic] - pub reason: RustcBoxAttrReason, + pub(crate) reason: RustcBoxAttrReason, } #[derive(Subdiagnostic)] -pub enum RustcBoxAttrReason { +pub(crate) enum RustcBoxAttrReason { #[note(mir_build_attributes)] Attributes, #[note(mir_build_not_box)] @@ -965,13 +965,13 @@ pub enum RustcBoxAttrReason { #[derive(LintDiagnostic)] #[diag(mir_build_rust_2024_incompatible_pat)] -pub struct Rust2024IncompatiblePat { +pub(crate) struct Rust2024IncompatiblePat { #[subdiagnostic] - pub sugg: Rust2024IncompatiblePatSugg, + pub(crate) sugg: Rust2024IncompatiblePatSugg, } -pub struct Rust2024IncompatiblePatSugg { - pub suggestion: Vec<(Span, String)>, +pub(crate) struct Rust2024IncompatiblePatSugg { + pub(crate) suggestion: Vec<(Span, String)>, } impl Subdiagnostic for Rust2024IncompatiblePatSugg { From 8f677e8fb20f0ad6d93b39d8b736ee7bc0939973 Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Sun, 19 May 2024 11:42:34 +0300 Subject: [PATCH 0947/1716] bootstrap: implement new feature `bootstrap-self-test` Some of the bootstrap logics should be ignored during unit tests because they either make the tests take longer or cause them to fail. Therefore we need to be able to exclude them from the bootstrap when it's called by unit tests. This change introduces a new feature called `bootstrap-self-test`, which is enabled on bootstrap unit tests by default. This allows us to keep the logic separate between compiler builds and bootstrap tests without needing messy workarounds (like checking if target names match those in the unit tests). Signed-off-by: onur-ozkan --- src/bootstrap/Cargo.toml | 1 + src/bootstrap/src/core/build_steps/test.rs | 1 + src/bootstrap/src/core/config/config.rs | 19 +++++++++------ src/bootstrap/src/core/config/tests.rs | 28 ++++------------------ src/bootstrap/src/core/download.rs | 22 +++++++++++++++-- src/bootstrap/src/core/sanity.rs | 16 ++++++++----- 6 files changed, 49 insertions(+), 38 deletions(-) diff --git a/src/bootstrap/Cargo.toml b/src/bootstrap/Cargo.toml index ca0d1fa5bd0c..32dd3efa7a6e 100644 --- a/src/bootstrap/Cargo.toml +++ b/src/bootstrap/Cargo.toml @@ -7,6 +7,7 @@ default-run = "bootstrap" [features] build-metrics = ["sysinfo"] +bootstrap-self-test = [] # enabled in the bootstrap unit tests [lib] path = "src/lib.rs" diff --git a/src/bootstrap/src/core/build_steps/test.rs b/src/bootstrap/src/core/build_steps/test.rs index 29b3d1669b4b..aaedee65ed75 100644 --- a/src/bootstrap/src/core/build_steps/test.rs +++ b/src/bootstrap/src/core/build_steps/test.rs @@ -3053,6 +3053,7 @@ impl Step for Bootstrap { let mut cmd = Command::new(&builder.initial_cargo); cmd.arg("test") + .args(["--features", "bootstrap-self-test"]) .current_dir(builder.src.join("src/bootstrap")) .env("RUSTFLAGS", "-Cdebuginfo=2") .env("CARGO_TARGET_DIR", builder.out.join("bootstrap")) diff --git a/src/bootstrap/src/core/config/config.rs b/src/bootstrap/src/core/config/config.rs index 70d32f2f6d95..17e37c1ecd23 100644 --- a/src/bootstrap/src/core/config/config.rs +++ b/src/bootstrap/src/core/config/config.rs @@ -22,8 +22,6 @@ use crate::utils::cache::{Interned, INTERNER}; use crate::utils::channel::{self, GitInfo}; use crate::utils::helpers::{exe, output, t}; use build_helper::exit; -use build_helper::util::fail; -use semver::Version; use serde::{Deserialize, Deserializer}; use serde_derive::Deserialize; @@ -2382,8 +2380,14 @@ impl Config { } } - // check rustc/cargo version is same or lower with 1 apart from the building one + #[cfg(feature = "bootstrap-self-test")] + pub fn check_stage0_version(&self, _program_path: &Path, _component_name: &'static str) {} + + /// check rustc/cargo version is same or lower with 1 apart from the building one + #[cfg(not(feature = "bootstrap-self-test"))] pub fn check_stage0_version(&self, program_path: &Path, component_name: &'static str) { + use build_helper::util::fail; + if self.dry_run() { return; } @@ -2400,11 +2404,12 @@ impl Config { } let stage0_version = - Version::parse(stage0_output.next().unwrap().split('-').next().unwrap().trim()) - .unwrap(); - let source_version = - Version::parse(fs::read_to_string(self.src.join("src/version")).unwrap().trim()) + semver::Version::parse(stage0_output.next().unwrap().split('-').next().unwrap().trim()) .unwrap(); + let source_version = semver::Version::parse( + fs::read_to_string(self.src.join("src/version")).unwrap().trim(), + ) + .unwrap(); if !(source_version == stage0_version || (source_version.major == stage0_version.major && (source_version.minor == stage0_version.minor diff --git a/src/bootstrap/src/core/config/tests.rs b/src/bootstrap/src/core/config/tests.rs index c4073910623a..bfb2c02860d2 100644 --- a/src/bootstrap/src/core/config/tests.rs +++ b/src/bootstrap/src/core/config/tests.rs @@ -14,16 +14,9 @@ use std::{ }; fn parse(config: &str) -> Config { - Config::parse_inner( - &[ - "check".to_string(), - "--set=build.rustc=/does/not/exist".to_string(), - "--set=build.cargo=/does/not/exist".to_string(), - "--config=/does/not/exist".to_string(), - "--skip-stage0-validation".to_string(), - ], - |&_| toml::from_str(&config).unwrap(), - ) + Config::parse_inner(&["check".to_string(), "--config=/does/not/exist".to_string()], |&_| { + toml::from_str(&config).unwrap() + }) } #[test] @@ -212,10 +205,7 @@ fn override_toml_duplicate() { Config::parse_inner( &[ "check".to_owned(), - "--set=build.rustc=/does/not/exist".to_string(), - "--set=build.cargo=/does/not/exist".to_string(), - "--config=/does/not/exist".to_owned(), - "--skip-stage0-validation".to_owned(), + "--config=/does/not/exist".to_string(), "--set=change-id=1".to_owned(), "--set=change-id=2".to_owned(), ], @@ -238,15 +228,7 @@ fn profile_user_dist() { .and_then(|table: toml::Value| TomlConfig::deserialize(table)) .unwrap() } - Config::parse_inner( - &[ - "check".to_owned(), - "--set=build.rustc=/does/not/exist".to_string(), - "--set=build.cargo=/does/not/exist".to_string(), - "--skip-stage0-validation".to_string(), - ], - get_toml, - ); + Config::parse_inner(&["check".to_owned()], get_toml); } #[test] diff --git a/src/bootstrap/src/core/download.rs b/src/bootstrap/src/core/download.rs index 60f48c5923e1..2b11b8c3d4f2 100644 --- a/src/bootstrap/src/core/download.rs +++ b/src/bootstrap/src/core/download.rs @@ -9,11 +9,10 @@ use std::{ }; use build_helper::ci::CiEnv; -use build_helper::stage0_parser::VersionMetadata; use xz2::bufread::XzDecoder; +use crate::utils::helpers::hex_encode; use crate::utils::helpers::{check_run, exe, move_file, program_out_of_date}; -use crate::{core::build_steps::llvm::detect_llvm_sha, utils::helpers::hex_encode}; use crate::{t, Config}; static SHOULD_FIX_BINS_AND_DYLIBS: OnceLock = OnceLock::new(); @@ -405,9 +404,17 @@ impl Config { cargo_clippy } + #[cfg(feature = "bootstrap-self-test")] + pub(crate) fn maybe_download_rustfmt(&self) -> Option { + None + } + /// NOTE: rustfmt is a completely different toolchain than the bootstrap compiler, so it can't /// reuse target directories or artifacts + #[cfg(not(feature = "bootstrap-self-test"))] pub(crate) fn maybe_download_rustfmt(&self) -> Option { + use build_helper::stage0_parser::VersionMetadata; + let VersionMetadata { date, version } = self.stage0_metadata.rustfmt.as_ref()?; let channel = format!("{version}-{date}"); @@ -487,6 +494,10 @@ impl Config { ); } + #[cfg(feature = "bootstrap-self-test")] + pub(crate) fn download_beta_toolchain(&self) {} + + #[cfg(not(feature = "bootstrap-self-test"))] pub(crate) fn download_beta_toolchain(&self) { self.verbose(|| println!("downloading stage0 beta artifacts")); @@ -665,7 +676,13 @@ download-rustc = false self.unpack(&tarball, &bin_root, prefix); } + #[cfg(feature = "bootstrap-self-test")] + pub(crate) fn maybe_download_ci_llvm(&self) {} + + #[cfg(not(feature = "bootstrap-self-test"))] pub(crate) fn maybe_download_ci_llvm(&self) { + use crate::core::build_steps::llvm::detect_llvm_sha; + if !self.llvm_from_ci { return; } @@ -707,6 +724,7 @@ download-rustc = false } } + #[cfg(not(feature = "bootstrap-self-test"))] fn download_ci_llvm(&self, llvm_sha: &str) { let llvm_assertions = self.llvm_assertions; diff --git a/src/bootstrap/src/core/sanity.rs b/src/bootstrap/src/core/sanity.rs index 8ffa97ab78b5..ead38ebc6d5e 100644 --- a/src/bootstrap/src/core/sanity.rs +++ b/src/bootstrap/src/core/sanity.rs @@ -8,13 +8,15 @@ //! In theory if we get past this phase it's a bug if a build fails, but in //! practice that's likely not true! -use std::collections::{HashMap, HashSet}; +use std::collections::HashMap; use std::env; use std::ffi::{OsStr, OsString}; use std::fs; use std::path::PathBuf; use std::process::Command; -use walkdir::WalkDir; + +#[cfg(not(feature = "bootstrap-self-test"))] +use std::collections::HashSet; use crate::builder::Kind; use crate::core::config::Target; @@ -31,6 +33,7 @@ pub struct Finder { // it might not yet be included in stage0. In such cases, we handle the targets missing from stage0 in this list. // // Targets can be removed from this list once they are present in the stage0 compiler (usually by updating the beta compiler of the bootstrap). +#[cfg(not(feature = "bootstrap-self-test"))] const STAGE0_MISSING_TARGETS: &[&str] = &[ // just a dummy comment so the list doesn't get onelined ]; @@ -167,6 +170,7 @@ than building it. .map(|p| cmd_finder.must_have(p)) .or_else(|| cmd_finder.maybe_have("reuse")); + #[cfg(not(feature = "bootstrap-self-test"))] let stage0_supported_target_list: HashSet = output(Command::new(&build.config.initial_rustc).args(["--print", "target-list"])) .lines() @@ -193,11 +197,11 @@ than building it. continue; } - let target_str = target.to_string(); - // Ignore fake targets that are only used for unit tests in bootstrap. - if !["A-A", "B-B", "C-C"].contains(&target_str.as_str()) { + #[cfg(not(feature = "bootstrap-self-test"))] + { let mut has_target = false; + let target_str = target.to_string(); let missing_targets_hashset: HashSet<_> = STAGE0_MISSING_TARGETS.iter().map(|t| t.to_string()).collect(); @@ -226,7 +230,7 @@ than building it. target_filename.push(".json"); // Recursively traverse through nested directories. - let walker = WalkDir::new(custom_target_path).into_iter(); + let walker = walkdir::WalkDir::new(custom_target_path).into_iter(); for entry in walker.filter_map(|e| e.ok()) { has_target |= entry.file_name() == target_filename; } From 2949195d9a9728b388cc606cb03d7ee3e00f5e7b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E8=AE=B8=E6=9D=B0=E5=8F=8B=20Jieyou=20Xu=20=28Joe=29?= Date: Mon, 3 Jun 2024 01:57:27 +0000 Subject: [PATCH 0948/1716] compiler-builtins: don't clear env vars for cargo invocation --- tests/run-make/compiler-builtins/rmake.rs | 1 - 1 file changed, 1 deletion(-) diff --git a/tests/run-make/compiler-builtins/rmake.rs b/tests/run-make/compiler-builtins/rmake.rs index f5da50ebb043..55962fa4ebc4 100644 --- a/tests/run-make/compiler-builtins/rmake.rs +++ b/tests/run-make/compiler-builtins/rmake.rs @@ -56,7 +56,6 @@ fn main() { "--target", &target, ]) - .env_clear() .env("PATH", path) .env("RUSTC", rustc) .env("RUSTFLAGS", "-Copt-level=0 -Cdebug-assertions=yes") From fb6fbf02a65ad1fc766aeee7c7698907d56f8e12 Mon Sep 17 00:00:00 2001 From: Jubilee Young Date: Tue, 4 Jun 2024 01:22:46 -0700 Subject: [PATCH 0949/1716] Use FileCheck to parameterize codegen tests over hashes When things like our internal hashing or representations change, it is inappropriate for these tests to suddenly fail for no reason. The chance of error is reduced if we instead pattern-match. --- tests/assembly/asm/global_asm.rs | 4 ++-- tests/codegen/consts.rs | 4 ++-- tests/codegen/pattern_type_symbols.rs | 4 ++-- tests/codegen/virtual-function-elimination.rs | 4 ++-- 4 files changed, 8 insertions(+), 8 deletions(-) diff --git a/tests/assembly/asm/global_asm.rs b/tests/assembly/asm/global_asm.rs index 8f824563e8ae..22cf4bdb15b7 100644 --- a/tests/assembly/asm/global_asm.rs +++ b/tests/assembly/asm/global_asm.rs @@ -25,9 +25,9 @@ global_asm!("movl ${}, %ecx", const 5, options(att_syntax)); global_asm!("call {}", sym my_func); // CHECK: lea rax, [rip + MY_STATIC] global_asm!("lea rax, [rip + {}]", sym MY_STATIC); -// CHECK: call _RNvCsddMtV7nAi4C_10global_asm6foobar +// CHECK: call _RNvC[[CRATE_IDENT:[a-zA-Z0-9]{12}]]_10global_asm6foobar global_asm!("call {}", sym foobar); -// CHECK: _RNvCsddMtV7nAi4C_10global_asm6foobar: +// CHECK: _RNvC[[CRATE_IDENT]]_10global_asm6foobar: fn foobar() { loop {} } diff --git a/tests/codegen/consts.rs b/tests/codegen/consts.rs index 93c58c37c287..42ce7679d1ac 100644 --- a/tests/codegen/consts.rs +++ b/tests/codegen/consts.rs @@ -9,11 +9,11 @@ // CHECK: @STATIC = {{.*}}, align 4 // This checks the constants from inline_enum_const -// CHECK: @alloc_af1f8e8e6f4b341431a1d405e652df2d = {{.*}}, align 2 +// CHECK: @alloc_[[INLINE_ENUM_HASH:[a-f0-9]{32}]] = {{.*}}, align 2 // This checks the constants from {low,high}_align_const, they share the same // constant, but the alignment differs, so the higher one should be used -// CHECK: [[LOW_HIGH:@alloc_[a-f0-9]+]] = {{.*}}, align 4 +// CHECK: [[LOW_HIGH:@alloc_[a-f0-9]{32}]] = {{.*}}, align 4 #[derive(Copy, Clone)] // repr(i16) is required for the {low,high}_align_const test diff --git a/tests/codegen/pattern_type_symbols.rs b/tests/codegen/pattern_type_symbols.rs index dfe834433487..a99b3efca415 100644 --- a/tests/codegen/pattern_type_symbols.rs +++ b/tests/codegen/pattern_type_symbols.rs @@ -15,9 +15,9 @@ fn foo() {} pub fn bar() { // CHECK: call pattern_type_symbols::foo:: - // CHECK: call void @_RINvCs3QvG2ESzx2Q_20pattern_type_symbols3foomEB2_ + // CHECK: call void @_RINvC[[CRATE_IDENT:[a-zA-Z0-9]{12}]]_20pattern_type_symbols3foomEB2_ foo::(); // CHECK: call pattern_type_symbols::foo::<(u32, [(); 0], [(); 999999999], [(); true])> - // CHECK: call void @_RINvCs3QvG2ESzx2Q_20pattern_type_symbols3fooTmAum0_Aum3b9ac9ff_Aub1_EEB2_ + // CHECK: call void @_RINvC[[CRATE_IDENT]]_20pattern_type_symbols3fooTmAum0_Aum3b9ac9ff_Aub1_EEB2_ foo::(); } diff --git a/tests/codegen/virtual-function-elimination.rs b/tests/codegen/virtual-function-elimination.rs index 6c391d9114b4..23d7657baa99 100644 --- a/tests/codegen/virtual-function-elimination.rs +++ b/tests/codegen/virtual-function-elimination.rs @@ -81,7 +81,7 @@ fn taking_u(u: &dyn U) -> i32 { } pub fn taking_v(v: &dyn V) -> i32 { - // CHECK: @llvm.type.checked.load({{.*}}, i32 24, metadata !"NtCs64ITQYi9761_28virtual_function_elimination1V") + // CHECK: @llvm.type.checked.load({{.*}}, i32 24, metadata !"NtC[[CRATE_IDENT:[a-zA-Z0-9]{12}]]_28virtual_function_elimination1V") v.public_function() } @@ -96,5 +96,5 @@ pub fn main() { // CHECK: ![[TYPE0]] = !{i64 0, !"[[MANGLED_TYPE0]]"} // CHECK: ![[VCALL_VIS0]] = !{i64 2} // CHECK: ![[TYPE1]] = !{i64 0, !"[[MANGLED_TYPE1]]"} -// CHECK: ![[TYPE2]] = !{i64 0, !"NtCs64ITQYi9761_28virtual_function_elimination1V"} +// CHECK: ![[TYPE2]] = !{i64 0, !"NtC[[CRATE_IDENT]]_28virtual_function_elimination1V"} // CHECK: ![[VCALL_VIS2]] = !{i64 1} From 6a84995fae01eb0ae18ef6bfc41b2979ca760447 Mon Sep 17 00:00:00 2001 From: Ross MacArthur Date: Tue, 4 Jun 2024 10:51:05 +0200 Subject: [PATCH 0950/1716] Add function `core::iter::chain` The addition of `core::iter::zip` (#82917) set a precedent for adding plain functions for iterator adaptors. Adding `chain` makes it a little easier to `chain` two iterators. ``` for (x, y) in chain(xs, ys) {} // vs. for (x, y) in xs.into_iter().chain(ys) {} ``` --- library/core/src/iter/adapters/chain.rs | 37 +++++++++++++++++++++-- library/core/src/iter/adapters/mod.rs | 3 ++ library/core/src/iter/mod.rs | 2 ++ library/core/tests/iter/adapters/chain.rs | 8 +++++ library/core/tests/lib.rs | 1 + 5 files changed, 49 insertions(+), 2 deletions(-) diff --git a/library/core/src/iter/adapters/chain.rs b/library/core/src/iter/adapters/chain.rs index bcaac2f42cf0..dad3d79acb18 100644 --- a/library/core/src/iter/adapters/chain.rs +++ b/library/core/src/iter/adapters/chain.rs @@ -4,8 +4,8 @@ use crate::ops::Try; /// An iterator that links two iterators together, in a chain. /// -/// This `struct` is created by [`Iterator::chain`]. See its documentation -/// for more. +/// This `struct` is created by [`chain`] or [`Iterator::chain`]. See their +/// documentation for more. /// /// # Examples /// @@ -38,6 +38,39 @@ impl Chain { } } +/// Converts the arguments to iterators and links them together, in a chain. +/// +/// See the documentation of [`Iterator::chain`] for more. +/// +/// # Examples +/// +/// ``` +/// #![feature(iter_chain)] +/// +/// use std::iter::chain; +/// +/// let a = [1, 2, 3]; +/// let b = [4, 5, 6]; +/// +/// let mut iter = chain(a, b); +/// +/// assert_eq!(iter.next(), Some(1)); +/// assert_eq!(iter.next(), Some(2)); +/// assert_eq!(iter.next(), Some(3)); +/// assert_eq!(iter.next(), Some(4)); +/// assert_eq!(iter.next(), Some(5)); +/// assert_eq!(iter.next(), Some(6)); +/// assert_eq!(iter.next(), None); +/// ``` +#[unstable(feature = "iter_chain", reason = "recently added", issue = "125964")] +pub fn chain(a: A, b: B) -> Chain +where + A: IntoIterator, + B: IntoIterator, +{ + Chain::new(a.into_iter(), b.into_iter()) +} + #[stable(feature = "rust1", since = "1.0.0")] impl Iterator for Chain where diff --git a/library/core/src/iter/adapters/mod.rs b/library/core/src/iter/adapters/mod.rs index cc514bd914f1..05a5f2689056 100644 --- a/library/core/src/iter/adapters/mod.rs +++ b/library/core/src/iter/adapters/mod.rs @@ -41,6 +41,9 @@ pub use self::array_chunks::ArrayChunks; #[unstable(feature = "std_internals", issue = "none")] pub use self::by_ref_sized::ByRefSized; +#[unstable(feature = "iter_chain", reason = "recently added", issue = "125964")] +pub use self::chain::chain; + #[stable(feature = "iter_cloned", since = "1.1.0")] pub use self::cloned::Cloned; diff --git a/library/core/src/iter/mod.rs b/library/core/src/iter/mod.rs index 44fef3e145b7..921c75c85f16 100644 --- a/library/core/src/iter/mod.rs +++ b/library/core/src/iter/mod.rs @@ -428,6 +428,8 @@ pub use self::traits::{ DoubleEndedIterator, ExactSizeIterator, Extend, FromIterator, IntoIterator, Product, Sum, }; +#[unstable(feature = "iter_chain", reason = "recently added", issue = "125964")] +pub use self::adapters::chain; #[stable(feature = "iter_zip", since = "1.59.0")] pub use self::adapters::zip; #[unstable(feature = "iter_array_chunks", reason = "recently added", issue = "100450")] diff --git a/library/core/tests/iter/adapters/chain.rs b/library/core/tests/iter/adapters/chain.rs index b2429588de12..c93510df524c 100644 --- a/library/core/tests/iter/adapters/chain.rs +++ b/library/core/tests/iter/adapters/chain.rs @@ -2,6 +2,14 @@ use super::*; use core::iter::*; use core::num::NonZero; +#[test] +fn test_chain() { + let xs = [0, 1, 2, 3, 4, 5]; + let ys = [30, 40, 50, 60]; + let expected = [0, 1, 2, 3, 4, 5, 30, 40, 50, 60]; + assert_eq!(Vec::from_iter(chain(xs, ys)), expected); +} + #[test] fn test_iterator_chain() { let xs = [0, 1, 2, 3, 4, 5]; diff --git a/library/core/tests/lib.rs b/library/core/tests/lib.rs index e0f82c916635..20ff6fd7687f 100644 --- a/library/core/tests/lib.rs +++ b/library/core/tests/lib.rs @@ -75,6 +75,7 @@ #![feature(ip)] #![feature(iter_advance_by)] #![feature(iter_array_chunks)] +#![feature(iter_chain)] #![feature(iter_collect_into)] #![feature(iter_partition_in_place)] #![feature(iter_intersperse)] From f076dec33622904821b7829ba759da9c610d1451 Mon Sep 17 00:00:00 2001 From: Boxy Date: Tue, 4 Jun 2024 02:24:57 +0100 Subject: [PATCH 0951/1716] Downsize `ty::Expr` --- compiler/rustc_middle/src/ty/consts.rs | 4 +- compiler/rustc_middle/src/ty/consts/kind.rs | 125 +++++++++++++++++- compiler/rustc_middle/src/ty/flags.rs | 21 +-- compiler/rustc_middle/src/ty/mod.rs | 2 +- compiler/rustc_middle/src/ty/print/pretty.rs | 100 ++++++-------- compiler/rustc_middle/src/ty/relate.rs | 52 ++------ .../rustc_middle/src/ty/structural_impls.rs | 38 ++++-- compiler/rustc_middle/src/ty/walk.rs | 19 +-- compiler/rustc_ty_utils/src/consts.rs | 33 +++-- 9 files changed, 232 insertions(+), 162 deletions(-) diff --git a/compiler/rustc_middle/src/ty/consts.rs b/compiler/rustc_middle/src/ty/consts.rs index 6416bbbe889c..384a4e7009d8 100644 --- a/compiler/rustc_middle/src/ty/consts.rs +++ b/compiler/rustc_middle/src/ty/consts.rs @@ -24,7 +24,7 @@ pub type ConstKind<'tcx> = ir::ConstKind>; pub type UnevaluatedConst<'tcx> = ir::UnevaluatedConst>; #[cfg(target_pointer_width = "64")] -rustc_data_structures::static_assert_size!(ConstKind<'_>, 32); +rustc_data_structures::static_assert_size!(ConstKind<'_>, 24); /// Use this rather than `ConstData`, whenever possible. #[derive(Copy, Clone, PartialEq, Eq, Hash, HashStable)] @@ -58,7 +58,7 @@ pub struct ConstData<'tcx> { } #[cfg(target_pointer_width = "64")] -rustc_data_structures::static_assert_size!(ConstData<'_>, 40); +rustc_data_structures::static_assert_size!(ConstData<'_>, 32); impl<'tcx> Const<'tcx> { #[inline] diff --git a/compiler/rustc_middle/src/ty/consts/kind.rs b/compiler/rustc_middle/src/ty/consts/kind.rs index d7ae050ed4d0..5f29acf5ed27 100644 --- a/compiler/rustc_middle/src/ty/consts/kind.rs +++ b/compiler/rustc_middle/src/ty/consts/kind.rs @@ -1,7 +1,7 @@ use super::Const; use crate::mir; use crate::ty::abstract_const::CastKind; -use crate::ty::{self, visit::TypeVisitableExt as _, List, Ty, TyCtxt}; +use crate::ty::{self, visit::TypeVisitableExt as _, Ty, TyCtxt}; use rustc_macros::{extension, HashStable, TyDecodable, TyEncodable, TypeFoldable, TypeVisitable}; #[extension(pub(crate) trait UnevaluatedConstEvalExt<'tcx>)] @@ -40,14 +40,125 @@ impl<'tcx> ty::UnevaluatedConst<'tcx> { } } +#[derive(Copy, Clone, Eq, PartialEq, Hash, Debug)] +#[derive(HashStable, TyEncodable, TyDecodable, TypeVisitable, TypeFoldable)] +pub enum ExprKind { + Binop(mir::BinOp), + UnOp(mir::UnOp), + FunctionCall, + Cast(CastKind), +} #[derive(Copy, Clone, Eq, PartialEq, Hash)] #[derive(HashStable, TyEncodable, TyDecodable, TypeVisitable, TypeFoldable)] -pub enum Expr<'tcx> { - Binop(mir::BinOp, Const<'tcx>, Const<'tcx>), - UnOp(mir::UnOp, Const<'tcx>), - FunctionCall(Const<'tcx>, &'tcx List>), - Cast(CastKind, Const<'tcx>, Ty<'tcx>), +pub struct Expr<'tcx> { + pub kind: ExprKind, + args: ty::GenericArgsRef<'tcx>, +} +impl<'tcx> Expr<'tcx> { + pub fn new_binop( + tcx: TyCtxt<'tcx>, + binop: mir::BinOp, + lhs_ty: Ty<'tcx>, + rhs_ty: Ty<'tcx>, + lhs_ct: Const<'tcx>, + rhs_ct: Const<'tcx>, + ) -> Self { + let args = tcx.mk_args_from_iter::<_, ty::GenericArg<'tcx>>( + [lhs_ty.into(), rhs_ty.into(), lhs_ct.into(), rhs_ct.into()].into_iter(), + ); + + Self { kind: ExprKind::Binop(binop), args } + } + + pub fn binop_args(self) -> (Ty<'tcx>, Ty<'tcx>, Const<'tcx>, Const<'tcx>) { + assert!(matches!(self.kind, ExprKind::Binop(_))); + + match self.args().as_slice() { + [lhs_ty, rhs_ty, lhs_ct, rhs_ct] => ( + lhs_ty.expect_ty(), + rhs_ty.expect_ty(), + lhs_ct.expect_const(), + rhs_ct.expect_const(), + ), + _ => bug!("Invalid args for `Binop` expr {self:?}"), + } + } + + pub fn new_unop(tcx: TyCtxt<'tcx>, unop: mir::UnOp, ty: Ty<'tcx>, ct: Const<'tcx>) -> Self { + let args = + tcx.mk_args_from_iter::<_, ty::GenericArg<'tcx>>([ty.into(), ct.into()].into_iter()); + + Self { kind: ExprKind::UnOp(unop), args } + } + + pub fn unop_args(self) -> (Ty<'tcx>, Const<'tcx>) { + assert!(matches!(self.kind, ExprKind::UnOp(_))); + + match self.args().as_slice() { + [ty, ct] => (ty.expect_ty(), ct.expect_const()), + _ => bug!("Invalid args for `UnOp` expr {self:?}"), + } + } + + pub fn new_call( + tcx: TyCtxt<'tcx>, + func_ty: Ty<'tcx>, + func_expr: Const<'tcx>, + arguments: impl Iterator>, + ) -> Self { + let args = tcx.mk_args_from_iter::<_, ty::GenericArg<'tcx>>( + [func_ty.into(), func_expr.into()].into_iter().chain(arguments.map(|ct| ct.into())), + ); + + Self { kind: ExprKind::FunctionCall, args } + } + + pub fn call_args(self) -> (Ty<'tcx>, Const<'tcx>, impl Iterator>) { + assert!(matches!(self.kind, ExprKind::FunctionCall)); + + match self.args().as_slice() { + [func_ty, func, rest @ ..] => ( + func_ty.expect_ty(), + func.expect_const(), + rest.iter().map(|arg| arg.expect_const()), + ), + _ => bug!("Invalid args for `Call` expr {self:?}"), + } + } + + pub fn new_cast( + tcx: TyCtxt<'tcx>, + cast: CastKind, + value_ty: Ty<'tcx>, + value: Const<'tcx>, + to_ty: Ty<'tcx>, + ) -> Self { + let args = tcx.mk_args_from_iter::<_, ty::GenericArg<'tcx>>( + [value_ty.into(), value.into(), to_ty.into()].into_iter(), + ); + + Self { kind: ExprKind::Cast(cast), args } + } + + pub fn cast_args(self) -> (Ty<'tcx>, Const<'tcx>, Ty<'tcx>) { + assert!(matches!(self.kind, ExprKind::Cast(_))); + + match self.args().as_slice() { + [value_ty, value, to_ty] => { + (value_ty.expect_ty(), value.expect_const(), to_ty.expect_ty()) + } + _ => bug!("Invalid args for `Cast` expr {self:?}"), + } + } + + pub fn new(kind: ExprKind, args: ty::GenericArgsRef<'tcx>) -> Self { + Self { kind, args } + } + + pub fn args(&self) -> ty::GenericArgsRef<'tcx> { + self.args + } } #[cfg(target_pointer_width = "64")] -rustc_data_structures::static_assert_size!(Expr<'_>, 24); +rustc_data_structures::static_assert_size!(Expr<'_>, 16); diff --git a/compiler/rustc_middle/src/ty/flags.rs b/compiler/rustc_middle/src/ty/flags.rs index 4de7d532c967..93a51d3a3340 100644 --- a/compiler/rustc_middle/src/ty/flags.rs +++ b/compiler/rustc_middle/src/ty/flags.rs @@ -374,26 +374,7 @@ impl FlagComputation { self.add_flags(TypeFlags::STILL_FURTHER_SPECIALIZABLE); } ty::ConstKind::Value(_) => {} - ty::ConstKind::Expr(e) => { - use ty::Expr; - match e { - Expr::Binop(_, l, r) => { - self.add_const(l); - self.add_const(r); - } - Expr::UnOp(_, v) => self.add_const(v), - Expr::FunctionCall(f, args) => { - self.add_const(f); - for arg in args { - self.add_const(arg); - } - } - Expr::Cast(_, c, t) => { - self.add_ty(t); - self.add_const(c); - } - } - } + ty::ConstKind::Expr(e) => self.add_args(e.args()), ty::ConstKind::Error(_) => self.add_flags(TypeFlags::HAS_ERROR), } } diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs index 2643ce976ded..714224fc9654 100644 --- a/compiler/rustc_middle/src/ty/mod.rs +++ b/compiler/rustc_middle/src/ty/mod.rs @@ -87,7 +87,7 @@ pub use self::closure::{ CAPTURE_STRUCT_LOCAL, }; pub use self::consts::{ - Const, ConstData, ConstInt, ConstKind, Expr, ScalarInt, UnevaluatedConst, ValTree, + Const, ConstData, ConstInt, ConstKind, Expr, ExprKind, ScalarInt, UnevaluatedConst, ValTree, }; pub use self::context::{ tls, CtxtInterners, CurrentGcx, DeducedParamAttrs, Feed, FreeRegionInfo, GlobalCtxt, Lift, diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs index 8fb4367d3b58..80d5b7445d09 100644 --- a/compiler/rustc_middle/src/ty/print/pretty.rs +++ b/compiler/rustc_middle/src/ty/print/pretty.rs @@ -1533,8 +1533,10 @@ pub trait PrettyPrinter<'tcx>: Printer<'tcx> + fmt::Write { print_ty: bool, ) -> Result<(), PrintError> { define_scoped_cx!(self); - match expr { - Expr::Binop(op, c1, c2) => { + match expr.kind { + ty::ExprKind::Binop(op) => { + let (_, _, c1, c2) = expr.binop_args(); + let precedence = |binop: rustc_middle::mir::BinOp| { use rustc_ast::util::parser::AssocOp; AssocOp::from_ast_binop(binop.to_hir_binop().into()).precedence() @@ -1543,22 +1545,26 @@ pub trait PrettyPrinter<'tcx>: Printer<'tcx> + fmt::Write { let formatted_op = op.to_hir_binop().as_str(); let (lhs_parenthesized, rhs_parenthesized) = match (c1.kind(), c2.kind()) { ( - ty::ConstKind::Expr(Expr::Binop(lhs_op, _, _)), - ty::ConstKind::Expr(Expr::Binop(rhs_op, _, _)), + ty::ConstKind::Expr(ty::Expr { kind: ty::ExprKind::Binop(lhs_op), .. }), + ty::ConstKind::Expr(ty::Expr { kind: ty::ExprKind::Binop(rhs_op), .. }), ) => (precedence(lhs_op) < op_precedence, precedence(rhs_op) < op_precedence), - (ty::ConstKind::Expr(Expr::Binop(lhs_op, ..)), ty::ConstKind::Expr(_)) => { - (precedence(lhs_op) < op_precedence, true) - } - (ty::ConstKind::Expr(_), ty::ConstKind::Expr(Expr::Binop(rhs_op, ..))) => { - (true, precedence(rhs_op) < op_precedence) - } + ( + ty::ConstKind::Expr(ty::Expr { kind: ty::ExprKind::Binop(lhs_op), .. }), + ty::ConstKind::Expr(_), + ) => (precedence(lhs_op) < op_precedence, true), + ( + ty::ConstKind::Expr(_), + ty::ConstKind::Expr(ty::Expr { kind: ty::ExprKind::Binop(rhs_op), .. }), + ) => (true, precedence(rhs_op) < op_precedence), (ty::ConstKind::Expr(_), ty::ConstKind::Expr(_)) => (true, true), - (ty::ConstKind::Expr(Expr::Binop(lhs_op, ..)), _) => { - (precedence(lhs_op) < op_precedence, false) - } - (_, ty::ConstKind::Expr(Expr::Binop(rhs_op, ..))) => { - (false, precedence(rhs_op) < op_precedence) - } + ( + ty::ConstKind::Expr(ty::Expr { kind: ty::ExprKind::Binop(lhs_op), .. }), + _, + ) => (precedence(lhs_op) < op_precedence, false), + ( + _, + ty::ConstKind::Expr(ty::Expr { kind: ty::ExprKind::Binop(rhs_op), .. }), + ) => (false, precedence(rhs_op) < op_precedence), (ty::ConstKind::Expr(_), _) => (true, false), (_, ty::ConstKind::Expr(_)) => (false, true), _ => (false, false), @@ -1574,7 +1580,9 @@ pub trait PrettyPrinter<'tcx>: Printer<'tcx> + fmt::Write { rhs_parenthesized, )?; } - Expr::UnOp(op, ct) => { + ty::ExprKind::UnOp(op) => { + let (_, ct) = expr.unop_args(); + use rustc_middle::mir::UnOp; let formatted_op = match op { UnOp::Not => "!", @@ -1583,7 +1591,9 @@ pub trait PrettyPrinter<'tcx>: Printer<'tcx> + fmt::Write { }; let parenthesized = match ct.kind() { _ if op == UnOp::PtrMetadata => true, - ty::ConstKind::Expr(Expr::UnOp(c_op, ..)) => c_op != op, + ty::ConstKind::Expr(ty::Expr { kind: ty::ExprKind::UnOp(c_op), .. }) => { + c_op != op + } ty::ConstKind::Expr(_) => true, _ => false, }; @@ -1593,61 +1603,37 @@ pub trait PrettyPrinter<'tcx>: Printer<'tcx> + fmt::Write { parenthesized, )? } - Expr::FunctionCall(fn_def, fn_args) => { - use ty::TyKind; - match fn_def.ty().kind() { - TyKind::FnDef(def_id, gen_args) => { - p!(print_value_path(*def_id, gen_args), "("); - if print_ty { - let tcx = self.tcx(); - let sig = tcx.fn_sig(def_id).instantiate(tcx, gen_args).skip_binder(); + ty::ExprKind::FunctionCall => { + let (_, fn_def, fn_args) = expr.call_args(); - let mut args_with_ty = fn_args.iter().map(|ct| (ct, ct.ty())); - let output_ty = sig.output(); - - if let Some((ct, ty)) = args_with_ty.next() { - self.typed_value( - |this| this.pretty_print_const(ct, print_ty), - |this| this.pretty_print_type(ty), - ": ", - )?; - for (ct, ty) in args_with_ty { - p!(", "); - self.typed_value( - |this| this.pretty_print_const(ct, print_ty), - |this| this.pretty_print_type(ty), - ": ", - )?; - } - } - p!(write(") -> {output_ty}")); - } else { - p!(comma_sep(fn_args.iter()), ")"); - } - } - _ => bug!("unexpected type of fn def"), - } + write!(self, "(")?; + self.pretty_print_const(fn_def, print_ty)?; + p!(")(", comma_sep(fn_args), ")"); } - Expr::Cast(kind, ct, ty) => { + ty::ExprKind::Cast(kind) => { + let (_, value, to_ty) = expr.cast_args(); + use ty::abstract_const::CastKind; if kind == CastKind::As || (kind == CastKind::Use && self.should_print_verbose()) { - let parenthesized = match ct.kind() { - ty::ConstKind::Expr(Expr::Cast(_, _, _)) => false, + let parenthesized = match value.kind() { + ty::ConstKind::Expr(ty::Expr { + kind: ty::ExprKind::Cast { .. }, .. + }) => false, ty::ConstKind::Expr(_) => true, _ => false, }; self.maybe_parenthesized( |this| { this.typed_value( - |this| this.pretty_print_const(ct, print_ty), - |this| this.pretty_print_type(ty), + |this| this.pretty_print_const(value, print_ty), + |this| this.pretty_print_type(to_ty), " as ", ) }, parenthesized, )?; } else { - self.pretty_print_const(ct, print_ty)? + self.pretty_print_const(value, print_ty)? } } } diff --git a/compiler/rustc_middle/src/ty/relate.rs b/compiler/rustc_middle/src/ty/relate.rs index b41798588909..a621d255a03e 100644 --- a/compiler/rustc_middle/src/ty/relate.rs +++ b/compiler/rustc_middle/src/ty/relate.rs @@ -6,8 +6,8 @@ use crate::ty::error::{ExpectedFound, TypeError}; use crate::ty::{ - self, ExistentialPredicate, ExistentialPredicateStableCmpExt as _, Expr, GenericArg, - GenericArgKind, GenericArgsRef, ImplSubject, Term, TermKind, Ty, TyCtxt, TypeFoldable, + self, ExistentialPredicate, ExistentialPredicateStableCmpExt as _, GenericArg, GenericArgKind, + GenericArgsRef, ImplSubject, Term, TermKind, Ty, TyCtxt, TypeFoldable, }; use rustc_hir as hir; use rustc_hir::def_id::DefId; @@ -665,46 +665,18 @@ pub fn structurally_relate_consts<'tcx, R: TypeRelation<'tcx>>( a.ty(), )); } - // Before calling relate on exprs, it is necessary to ensure that the nested consts - // have identical types. (ty::ConstKind::Expr(ae), ty::ConstKind::Expr(be)) => { - let r = relation; - - // FIXME(generic_const_exprs): is it possible to relate two consts which are not identical - // exprs? Should we care about that? - // FIXME(generic_const_exprs): relating the `ty()`s is a little weird since it is supposed to - // ICE If they mismatch. Unfortunately `ConstKind::Expr` is a little special and can be thought - // of as being generic over the argument types, however this is implicit so these types don't get - // related when we relate the args of the item this const arg is for. - let expr = match (ae, be) { - (Expr::Binop(a_op, al, ar), Expr::Binop(b_op, bl, br)) if a_op == b_op => { - r.relate(al.ty(), bl.ty())?; - r.relate(ar.ty(), br.ty())?; - Expr::Binop(a_op, r.consts(al, bl)?, r.consts(ar, br)?) - } - (Expr::UnOp(a_op, av), Expr::UnOp(b_op, bv)) if a_op == b_op => { - r.relate(av.ty(), bv.ty())?; - Expr::UnOp(a_op, r.consts(av, bv)?) - } - (Expr::Cast(ak, av, at), Expr::Cast(bk, bv, bt)) if ak == bk => { - r.relate(av.ty(), bv.ty())?; - Expr::Cast(ak, r.consts(av, bv)?, r.tys(at, bt)?) - } - (Expr::FunctionCall(af, aa), Expr::FunctionCall(bf, ba)) - if aa.len() == ba.len() => - { - r.relate(af.ty(), bf.ty())?; - let func = r.consts(af, bf)?; - let mut related_args = Vec::with_capacity(aa.len()); - for (a_arg, b_arg) in aa.iter().zip(ba.iter()) { - related_args.push(r.consts(a_arg, b_arg)?); - } - let related_args = tcx.mk_const_list(&related_args); - Expr::FunctionCall(func, related_args) - } + match (ae.kind, be.kind) { + (ty::ExprKind::Binop(a_binop), ty::ExprKind::Binop(b_binop)) + if a_binop == b_binop => {} + (ty::ExprKind::UnOp(a_unop), ty::ExprKind::UnOp(b_unop)) if a_unop == b_unop => {} + (ty::ExprKind::FunctionCall, ty::ExprKind::FunctionCall) => {} + (ty::ExprKind::Cast(a_kind), ty::ExprKind::Cast(b_kind)) if a_kind == b_kind => {} _ => return Err(TypeError::ConstMismatch(expected_found(a, b))), - }; - return Ok(ty::Const::new_expr(tcx, expr, a.ty())); + } + + let args = relation.relate(ae.args(), be.args())?; + return Ok(ty::Const::new_expr(tcx, ty::Expr::new(ae.kind, args), a.ty())); } _ => false, }; diff --git a/compiler/rustc_middle/src/ty/structural_impls.rs b/compiler/rustc_middle/src/ty/structural_impls.rs index 90791bdd20dc..7a291b4dbff6 100644 --- a/compiler/rustc_middle/src/ty/structural_impls.rs +++ b/compiler/rustc_middle/src/ty/structural_impls.rs @@ -147,14 +147,27 @@ impl<'tcx> DebugWithInfcx> for ty::consts::Expr<'tcx> { this: WithInfcx<'_, Infcx, &Self>, f: &mut core::fmt::Formatter<'_>, ) -> core::fmt::Result { - match this.data { - ty::Expr::Binop(op, lhs, rhs) => { - write!(f, "({op:?}: {:?}, {:?})", &this.wrap(lhs), &this.wrap(rhs)) + match this.data.kind { + ty::ExprKind::Binop(op) => { + let (lhs_ty, rhs_ty, lhs, rhs) = this.data.binop_args(); + write!( + f, + "({op:?}: ({:?}: {:?}), ({:?}: {:?}))", + &this.wrap(lhs), + &this.wrap(lhs_ty), + &this.wrap(rhs), + &this.wrap(rhs_ty), + ) } - ty::Expr::UnOp(op, rhs) => write!(f, "({op:?}: {:?})", &this.wrap(rhs)), - ty::Expr::FunctionCall(func, args) => { - write!(f, "{:?}(", &this.wrap(func))?; - for arg in args.as_slice().iter().rev().skip(1).rev() { + ty::ExprKind::UnOp(op) => { + let (rhs_ty, rhs) = this.data.unop_args(); + write!(f, "({op:?}: ({:?}: {:?}))", &this.wrap(rhs), &this.wrap(rhs_ty)) + } + ty::ExprKind::FunctionCall => { + let (func_ty, func, args) = this.data.call_args(); + let args = args.collect::>(); + write!(f, "({:?}: {:?})(", &this.wrap(func), &this.wrap(func_ty))?; + for arg in args.iter().rev().skip(1).rev() { write!(f, "{:?}, ", &this.wrap(arg))?; } if let Some(arg) = args.last() { @@ -163,8 +176,15 @@ impl<'tcx> DebugWithInfcx> for ty::consts::Expr<'tcx> { write!(f, ")") } - ty::Expr::Cast(cast_kind, lhs, rhs) => { - write!(f, "({cast_kind:?}: {:?}, {:?})", &this.wrap(lhs), &this.wrap(rhs)) + ty::ExprKind::Cast(kind) => { + let (value_ty, value, to_ty) = this.data.cast_args(); + write!( + f, + "({kind:?}: ({:?}: {:?}), {:?})", + &this.wrap(value), + &this.wrap(value_ty), + &this.wrap(to_ty) + ) } } } diff --git a/compiler/rustc_middle/src/ty/walk.rs b/compiler/rustc_middle/src/ty/walk.rs index a9421aacff83..58f69d772ecb 100644 --- a/compiler/rustc_middle/src/ty/walk.rs +++ b/compiler/rustc_middle/src/ty/walk.rs @@ -222,24 +222,7 @@ fn push_inner<'tcx>(stack: &mut TypeWalkerStack<'tcx>, parent: GenericArg<'tcx>) | ty::ConstKind::Value(_) | ty::ConstKind::Error(_) => {} - ty::ConstKind::Expr(expr) => match expr { - ty::Expr::UnOp(_, v) => push_inner(stack, v.into()), - ty::Expr::Binop(_, l, r) => { - push_inner(stack, r.into()); - push_inner(stack, l.into()) - } - ty::Expr::FunctionCall(func, args) => { - for a in args.iter().rev() { - push_inner(stack, a.into()); - } - push_inner(stack, func.into()); - } - ty::Expr::Cast(_, c, t) => { - push_inner(stack, t.into()); - push_inner(stack, c.into()); - } - }, - + ty::ConstKind::Expr(expr) => stack.extend(expr.args().iter().rev()), ty::ConstKind::Unevaluated(ct) => { stack.extend(ct.args.iter().rev()); } diff --git a/compiler/rustc_ty_utils/src/consts.rs b/compiler/rustc_ty_utils/src/consts.rs index e9112d232cbd..8a42298f2164 100644 --- a/compiler/rustc_ty_utils/src/consts.rs +++ b/compiler/rustc_ty_utils/src/consts.rs @@ -148,17 +148,24 @@ fn recurse_build<'tcx>( for &id in args.iter() { new_args.push(recurse_build(tcx, body, id, root_span)?); } - let new_args = tcx.mk_const_list(&new_args); - ty::Const::new_expr(tcx, Expr::FunctionCall(fun, new_args), node.ty) + ty::Const::new_expr( + tcx, + Expr::new_call(tcx, fun.ty(), fun, new_args.into_iter()), + node.ty, + ) } &ExprKind::Binary { op, lhs, rhs } if check_binop(op) => { let lhs = recurse_build(tcx, body, lhs, root_span)?; let rhs = recurse_build(tcx, body, rhs, root_span)?; - ty::Const::new_expr(tcx, Expr::Binop(op, lhs, rhs), node.ty) + ty::Const::new_expr( + tcx, + Expr::new_binop(tcx, op, lhs.ty(), rhs.ty(), lhs, rhs), + node.ty, + ) } &ExprKind::Unary { op, arg } if check_unop(op) => { let arg = recurse_build(tcx, body, arg, root_span)?; - ty::Const::new_expr(tcx, Expr::UnOp(op, arg), node.ty) + ty::Const::new_expr(tcx, Expr::new_unop(tcx, op, arg.ty(), arg), node.ty) } // This is necessary so that the following compiles: // @@ -178,12 +185,22 @@ fn recurse_build<'tcx>( // "coercion cast" i.e. using a coercion or is a no-op. // This is important so that `N as usize as usize` doesn't unify with `N as usize`. (untested) &ExprKind::Use { source } => { - let arg = recurse_build(tcx, body, source, root_span)?; - ty::Const::new_expr(tcx, Expr::Cast(CastKind::Use, arg, node.ty), node.ty) + let value_ty = body.exprs[source].ty; + let value = recurse_build(tcx, body, source, root_span)?; + ty::Const::new_expr( + tcx, + Expr::new_cast(tcx, CastKind::Use, value_ty, value, node.ty), + node.ty, + ) } &ExprKind::Cast { source } => { - let arg = recurse_build(tcx, body, source, root_span)?; - ty::Const::new_expr(tcx, Expr::Cast(CastKind::As, arg, node.ty), node.ty) + let value_ty = body.exprs[source].ty; + let value = recurse_build(tcx, body, source, root_span)?; + ty::Const::new_expr( + tcx, + Expr::new_cast(tcx, CastKind::As, value_ty, value, node.ty), + node.ty, + ) } ExprKind::Borrow { arg, .. } => { let arg_node = &body.exprs[*arg]; From 7e08f80b34608e4aac2fcce1d9e85735b02034fe Mon Sep 17 00:00:00 2001 From: Boxy Date: Tue, 4 Jun 2024 00:39:35 +0100 Subject: [PATCH 0952/1716] Split smir `Const` into `TyConst` and `MirConst` --- .../rustc_smir/src/rustc_internal/internal.rs | 44 ++++----- compiler/rustc_smir/src/rustc_internal/mod.rs | 3 +- compiler/rustc_smir/src/rustc_smir/context.rs | 59 +++++++++--- .../rustc_smir/src/rustc_smir/convert/mir.rs | 20 ++-- .../rustc_smir/src/rustc_smir/convert/mod.rs | 2 + .../rustc_smir/src/rustc_smir/convert/ty.rs | 74 +++++++++++---- compiler/rustc_smir/src/rustc_smir/mod.rs | 13 ++- compiler/stable_mir/src/compiler_interface.rs | 22 +++-- compiler/stable_mir/src/mir/body.rs | 10 +- compiler/stable_mir/src/mir/pretty.rs | 16 ++-- compiler/stable_mir/src/mir/visit.rs | 25 +++-- compiler/stable_mir/src/ty.rs | 95 +++++++++++++------ compiler/stable_mir/src/visitor.rs | 30 +++++- .../ui-fulldeps/stable-mir/check_transform.rs | 6 +- 14 files changed, 285 insertions(+), 134 deletions(-) diff --git a/compiler/rustc_smir/src/rustc_internal/internal.rs b/compiler/rustc_smir/src/rustc_internal/internal.rs index 6ec710f97d16..edfd48ed43b1 100644 --- a/compiler/rustc_smir/src/rustc_internal/internal.rs +++ b/compiler/rustc_smir/src/rustc_internal/internal.rs @@ -5,17 +5,17 @@ // Prefer importing stable_mir over internal rustc constructs to make this file more readable. use crate::rustc_smir::Tables; -use rustc_middle::ty::{self as rustc_ty, Ty as InternalTy, TyCtxt}; +use rustc_middle::ty::{self as rustc_ty, Const as InternalConst, Ty as InternalTy, TyCtxt}; use rustc_span::Symbol; use stable_mir::abi::Layout; use stable_mir::mir::alloc::AllocId; use stable_mir::mir::mono::{Instance, MonoItem, StaticDef}; use stable_mir::mir::{BinOp, Mutability, Place, ProjectionElem, Safety, UnOp}; use stable_mir::ty::{ - Abi, AdtDef, Binder, BoundRegionKind, BoundTyKind, BoundVariableKind, ClosureKind, Const, - DynKind, ExistentialPredicate, ExistentialProjection, ExistentialTraitRef, FloatTy, FnSig, - GenericArgKind, GenericArgs, IndexedVal, IntTy, Movability, Pattern, Region, RigidTy, Span, - TermKind, TraitRef, Ty, UintTy, VariantDef, VariantIdx, + Abi, AdtDef, Binder, BoundRegionKind, BoundTyKind, BoundVariableKind, ClosureKind, DynKind, + ExistentialPredicate, ExistentialProjection, ExistentialTraitRef, FloatTy, FnSig, + GenericArgKind, GenericArgs, IndexedVal, IntTy, MirConst, Movability, Pattern, Region, RigidTy, + Span, TermKind, TraitRef, Ty, TyConst, UintTy, VariantDef, VariantIdx, }; use stable_mir::{CrateItem, CrateNum, DefId}; @@ -55,7 +55,7 @@ impl RustcInternal for GenericArgKind { let arg: rustc_ty::GenericArg<'tcx> = match self { GenericArgKind::Lifetime(reg) => reg.internal(tables, tcx).into(), GenericArgKind::Type(ty) => ty.internal(tables, tcx).into(), - GenericArgKind::Const(cnst) => ty_const(cnst, tables, tcx).into(), + GenericArgKind::Const(cnst) => cnst.internal(tables, tcx).into(), }; tcx.lift(arg).unwrap() } @@ -76,13 +76,20 @@ impl RustcInternal for Ty { } } +impl RustcInternal for TyConst { + type T<'tcx> = InternalConst<'tcx>; + fn internal<'tcx>(&self, tables: &mut Tables<'_>, tcx: TyCtxt<'tcx>) -> Self::T<'tcx> { + tcx.lift(tables.ty_consts[self.id]).unwrap() + } +} + impl RustcInternal for Pattern { type T<'tcx> = rustc_ty::Pattern<'tcx>; fn internal<'tcx>(&self, tables: &mut Tables<'_>, tcx: TyCtxt<'tcx>) -> Self::T<'tcx> { tcx.mk_pat(match self { Pattern::Range { start, end, include_end } => rustc_ty::PatternKind::Range { - start: start.as_ref().map(|c| ty_const(c, tables, tcx)), - end: end.as_ref().map(|c| ty_const(c, tables, tcx)), + start: start.as_ref().map(|c| c.internal(tables, tcx)), + end: end.as_ref().map(|c| c.internal(tables, tcx)), include_end: *include_end, }, }) @@ -101,7 +108,7 @@ impl RustcInternal for RigidTy { RigidTy::Float(float_ty) => rustc_ty::TyKind::Float(float_ty.internal(tables, tcx)), RigidTy::Never => rustc_ty::TyKind::Never, RigidTy::Array(ty, cnst) => { - rustc_ty::TyKind::Array(ty.internal(tables, tcx), ty_const(cnst, tables, tcx)) + rustc_ty::TyKind::Array(ty.internal(tables, tcx), cnst.internal(tables, tcx)) } RigidTy::Pat(ty, pat) => { rustc_ty::TyKind::Pat(ty.internal(tables, tcx), pat.internal(tables, tcx)) @@ -239,23 +246,10 @@ impl RustcInternal for VariantDef { } } -fn ty_const<'tcx>( - constant: &Const, - tables: &mut Tables<'_>, - tcx: TyCtxt<'tcx>, -) -> rustc_ty::Const<'tcx> { - match constant.internal(tables, tcx) { - rustc_middle::mir::Const::Ty(c) => c, - cnst => { - panic!("Trying to convert constant `{constant:?}` to type constant, but found {cnst:?}") - } - } -} - -impl RustcInternal for Const { +impl RustcInternal for MirConst { type T<'tcx> = rustc_middle::mir::Const<'tcx>; fn internal<'tcx>(&self, tables: &mut Tables<'_>, tcx: TyCtxt<'tcx>) -> Self::T<'tcx> { - let constant = tables.constants[self.id]; + let constant = tables.mir_consts[self.id]; match constant { rustc_middle::mir::Const::Ty(ty) => rustc_middle::mir::Const::Ty(tcx.lift(ty).unwrap()), rustc_middle::mir::Const::Unevaluated(uneval, ty) => { @@ -392,7 +386,7 @@ impl RustcInternal for TermKind { fn internal<'tcx>(&self, tables: &mut Tables<'_>, tcx: TyCtxt<'tcx>) -> Self::T<'tcx> { match self { TermKind::Type(ty) => ty.internal(tables, tcx).into(), - TermKind::Const(const_) => ty_const(const_, tables, tcx).into(), + TermKind::Const(cnst) => cnst.internal(tables, tcx).into(), } } } diff --git a/compiler/rustc_smir/src/rustc_internal/mod.rs b/compiler/rustc_smir/src/rustc_internal/mod.rs index 6e870728bafc..810ffc142a09 100644 --- a/compiler/rustc_smir/src/rustc_internal/mod.rs +++ b/compiler/rustc_smir/src/rustc_internal/mod.rs @@ -214,7 +214,8 @@ where spans: IndexMap::default(), types: IndexMap::default(), instances: IndexMap::default(), - constants: IndexMap::default(), + ty_consts: IndexMap::default(), + mir_consts: IndexMap::default(), layouts: IndexMap::default(), })); stable_mir::compiler_interface::run(&tables, || init(&tables, f)) diff --git a/compiler/rustc_smir/src/rustc_smir/context.rs b/compiler/rustc_smir/src/rustc_smir/context.rs index fa7b2a30ba6c..9822ed79e2bd 100644 --- a/compiler/rustc_smir/src/rustc_smir/context.rs +++ b/compiler/rustc_smir/src/rustc_smir/context.rs @@ -6,7 +6,6 @@ #![allow(rustc::usage_of_qualified_ty)] use rustc_abi::HasDataLayout; -use rustc_middle::ty; use rustc_middle::ty::layout::{ FnAbiOf, FnAbiOfHelpers, HasParamEnv, HasTyCtxt, LayoutOf, LayoutOfHelpers, }; @@ -14,6 +13,7 @@ use rustc_middle::ty::print::{with_forced_trimmed_paths, with_no_trimmed_paths}; use rustc_middle::ty::{ GenericPredicates, Instance, List, ParamEnv, ScalarInt, TyCtxt, TypeVisitableExt, ValTree, }; +use rustc_middle::{mir, ty}; use rustc_span::def_id::LOCAL_CRATE; use stable_mir::abi::{FnAbi, Layout, LayoutShape}; use stable_mir::compiler_interface::Context; @@ -22,9 +22,9 @@ use stable_mir::mir::mono::{InstanceDef, StaticDef}; use stable_mir::mir::{BinOp, Body, Place, UnOp}; use stable_mir::target::{MachineInfo, MachineSize}; use stable_mir::ty::{ - AdtDef, AdtKind, Allocation, ClosureDef, ClosureKind, Const, FieldDef, FnDef, ForeignDef, - ForeignItemKind, GenericArgs, IntrinsicDef, LineInfo, PolyFnSig, RigidTy, Span, Ty, TyKind, - UintTy, VariantDef, + AdtDef, AdtKind, Allocation, ClosureDef, ClosureKind, FieldDef, FnDef, ForeignDef, + ForeignItemKind, GenericArgs, IntrinsicDef, LineInfo, MirConst, PolyFnSig, RigidTy, Span, Ty, + TyConst, TyKind, UintTy, VariantDef, }; use stable_mir::{Crate, CrateDef, CrateItem, CrateNum, DefId, Error, Filename, ItemKind, Symbol}; use std::cell::RefCell; @@ -360,7 +360,15 @@ impl<'tcx> Context for TablesWrapper<'tcx> { def.internal(&mut *tables, tcx).fields.iter().map(|f| f.stable(&mut *tables)).collect() } - fn eval_target_usize(&self, cnst: &Const) -> Result { + fn eval_target_usize(&self, cnst: &MirConst) -> Result { + let mut tables = self.0.borrow_mut(); + let tcx = tables.tcx; + let mir_const = cnst.internal(&mut *tables, tcx); + mir_const + .try_eval_target_usize(tables.tcx, ParamEnv::empty()) + .ok_or_else(|| Error::new(format!("Const `{cnst:?}` cannot be encoded as u64"))) + } + fn eval_target_usize_ty(&self, cnst: &TyConst) -> Result { let mut tables = self.0.borrow_mut(); let tcx = tables.tcx; let mir_const = cnst.internal(&mut *tables, tcx); @@ -369,7 +377,7 @@ impl<'tcx> Context for TablesWrapper<'tcx> { .ok_or_else(|| Error::new(format!("Const `{cnst:?}` cannot be encoded as u64"))) } - fn try_new_const_zst(&self, ty: Ty) -> Result { + fn try_new_const_zst(&self, ty: Ty) -> Result { let mut tables = self.0.borrow_mut(); let tcx = tables.tcx; let ty_internal = ty.internal(&mut *tables, tcx); @@ -390,25 +398,45 @@ impl<'tcx> Context for TablesWrapper<'tcx> { ))); } - Ok(ty::Const::zero_sized(tables.tcx, ty_internal).stable(&mut *tables)) + Ok(mir::Const::Ty(ty::Const::zero_sized(tables.tcx, ty_internal)).stable(&mut *tables)) } - fn new_const_str(&self, value: &str) -> Const { + fn new_const_str(&self, value: &str) -> MirConst { let mut tables = self.0.borrow_mut(); let tcx = tables.tcx; let ty = ty::Ty::new_static_str(tcx); let bytes = value.as_bytes(); let val_tree = ty::ValTree::from_raw_bytes(tcx, bytes); - ty::Const::new_value(tcx, val_tree, ty).stable(&mut *tables) + let ct = ty::Const::new_value(tcx, val_tree, ty); + super::convert::mir_const_from_ty_const(&mut *tables, ct, ty) } - fn new_const_bool(&self, value: bool) -> Const { + fn new_const_bool(&self, value: bool) -> MirConst { let mut tables = self.0.borrow_mut(); - ty::Const::from_bool(tables.tcx, value).stable(&mut *tables) + let ct = ty::Const::from_bool(tables.tcx, value); + let ty = tables.tcx.types.bool; + super::convert::mir_const_from_ty_const(&mut *tables, ct, ty) } - fn try_new_const_uint(&self, value: u128, uint_ty: UintTy) -> Result { + fn try_new_const_uint(&self, value: u128, uint_ty: UintTy) -> Result { + let mut tables = self.0.borrow_mut(); + let tcx = tables.tcx; + let ty = ty::Ty::new_uint(tcx, uint_ty.internal(&mut *tables, tcx)); + let size = tables.tcx.layout_of(ParamEnv::empty().and(ty)).unwrap().size; + + // We don't use Const::from_bits since it doesn't have any error checking. + let scalar = ScalarInt::try_from_uint(value, size).ok_or_else(|| { + Error::new(format!("Value overflow: cannot convert `{value}` to `{ty}`.")) + })?; + let ct = ty::Const::new_value(tables.tcx, ValTree::from_scalar_int(scalar), ty); + Ok(super::convert::mir_const_from_ty_const(&mut *tables, ct, ty)) + } + fn try_new_ty_const_uint( + &self, + value: u128, + uint_ty: UintTy, + ) -> Result { let mut tables = self.0.borrow_mut(); let tcx = tables.tcx; let ty = ty::Ty::new_uint(tcx, uint_ty.internal(&mut *tables, tcx)); @@ -453,7 +481,7 @@ impl<'tcx> Context for TablesWrapper<'tcx> { .stable(&mut *tables) } - fn const_pretty(&self, cnst: &stable_mir::ty::Const) -> String { + fn mir_const_pretty(&self, cnst: &stable_mir::ty::MirConst) -> String { let mut tables = self.0.borrow_mut(); let tcx = tables.tcx; cnst.internal(&mut *tables, tcx).to_string() @@ -474,6 +502,11 @@ impl<'tcx> Context for TablesWrapper<'tcx> { tables.types[ty].kind().stable(&mut *tables) } + fn ty_const_pretty(&self, ct: stable_mir::ty::TyConstId) -> String { + let tables = self.0.borrow_mut(); + tables.ty_consts[ct].to_string() + } + fn rigid_ty_discriminant_ty(&self, ty: &RigidTy) -> stable_mir::ty::Ty { let mut tables = self.0.borrow_mut(); let tcx = tables.tcx; diff --git a/compiler/rustc_smir/src/rustc_smir/convert/mir.rs b/compiler/rustc_smir/src/rustc_smir/convert/mir.rs index a1a5c09ef0af..1c87293209c6 100644 --- a/compiler/rustc_smir/src/rustc_smir/convert/mir.rs +++ b/compiler/rustc_smir/src/rustc_smir/convert/mir.rs @@ -6,7 +6,7 @@ use rustc_middle::mir::interpret::alloc_range; use rustc_middle::mir::mono::MonoItem; use stable_mir::mir::alloc::GlobalAlloc; use stable_mir::mir::{ConstOperand, Statement, UserTypeProjection, VarDebugInfoFragment}; -use stable_mir::ty::{Allocation, Const, ConstantKind}; +use stable_mir::ty::{Allocation, ConstantKind, MirConst}; use stable_mir::{opaque, Error}; use crate::rustc_smir::{alloc, Stable, Tables}; @@ -724,11 +724,16 @@ impl<'tcx> Stable<'tcx> for mir::interpret::GlobalAlloc<'tcx> { } impl<'tcx> Stable<'tcx> for rustc_middle::mir::Const<'tcx> { - type T = stable_mir::ty::Const; + type T = stable_mir::ty::MirConst; fn stable(&self, tables: &mut Tables<'_>) -> Self::T { + let id = tables.intern_mir_const(tables.tcx.lift(*self).unwrap()); match *self { - mir::Const::Ty(c) => c.stable(tables), + mir::Const::Ty(c) => MirConst::new( + stable_mir::ty::ConstantKind::Ty(c.stable(tables)), + c.ty().stable(tables), + id, + ), mir::Const::Unevaluated(unev_const, ty) => { let kind = stable_mir::ty::ConstantKind::Unevaluated(stable_mir::ty::UnevaluatedConst { @@ -737,21 +742,18 @@ impl<'tcx> Stable<'tcx> for rustc_middle::mir::Const<'tcx> { promoted: unev_const.promoted.map(|u| u.as_u32()), }); let ty = ty.stable(tables); - let id = tables.intern_const(tables.tcx.lift(*self).unwrap()); - Const::new(kind, ty, id) + MirConst::new(kind, ty, id) } mir::Const::Val(mir::ConstValue::ZeroSized, ty) => { let ty = ty.stable(tables); - let id = tables.intern_const(tables.tcx.lift(*self).unwrap()); - Const::new(ConstantKind::ZeroSized, ty, id) + MirConst::new(ConstantKind::ZeroSized, ty, id) } mir::Const::Val(val, ty) => { let ty = tables.tcx.lift(ty).unwrap(); let val = tables.tcx.lift(val).unwrap(); let kind = ConstantKind::Allocated(alloc::new_allocation(ty, val, tables)); let ty = ty.stable(tables); - let id = tables.intern_const(tables.tcx.lift(*self).unwrap()); - Const::new(kind, ty, id) + MirConst::new(kind, ty, id) } } } diff --git a/compiler/rustc_smir/src/rustc_smir/convert/mod.rs b/compiler/rustc_smir/src/rustc_smir/convert/mod.rs index 736378a530f0..50687935473a 100644 --- a/compiler/rustc_smir/src/rustc_smir/convert/mod.rs +++ b/compiler/rustc_smir/src/rustc_smir/convert/mod.rs @@ -9,6 +9,8 @@ mod error; mod mir; mod ty; +pub use ty::mir_const_from_ty_const; + impl<'tcx> Stable<'tcx> for rustc_hir::Safety { type T = stable_mir::mir::Safety; fn stable(&self, _: &mut Tables<'_>) -> Self::T { diff --git a/compiler/rustc_smir/src/rustc_smir/convert/ty.rs b/compiler/rustc_smir/src/rustc_smir/convert/ty.rs index 66708def00f1..1f3356f579fe 100644 --- a/compiler/rustc_smir/src/rustc_smir/convert/ty.rs +++ b/compiler/rustc_smir/src/rustc_smir/convert/ty.rs @@ -3,8 +3,7 @@ use rustc_middle::ty::Ty; use rustc_middle::{mir, ty}; use stable_mir::ty::{ - AdtKind, Const, ConstantKind, FloatTy, GenericArgs, GenericParamDef, IntTy, Region, RigidTy, - TyKind, UintTy, + AdtKind, FloatTy, GenericArgs, GenericParamDef, IntTy, Region, RigidTy, TyKind, UintTy, }; use crate::rustc_smir::{alloc, Stable, Tables}; @@ -410,8 +409,50 @@ impl<'tcx> Stable<'tcx> for ty::Pattern<'tcx> { } } +pub fn mir_const_from_ty_const<'tcx>( + tables: &mut Tables<'tcx>, + ty_const: ty::Const<'tcx>, + ty: Ty<'tcx>, +) -> stable_mir::ty::MirConst { + let kind = match ty_const.kind() { + ty::Value(val) => { + let val = match val { + ty::ValTree::Leaf(scalar) => ty::ValTree::Leaf(scalar), + ty::ValTree::Branch(branch) => { + ty::ValTree::Branch(tables.tcx.lift(branch).unwrap()) + } + }; + let ty = tables.tcx.lift(ty).unwrap(); + let const_val = tables.tcx.valtree_to_const_val((ty, val)); + if matches!(const_val, mir::ConstValue::ZeroSized) { + stable_mir::ty::ConstantKind::ZeroSized + } else { + stable_mir::ty::ConstantKind::Allocated(alloc::new_allocation( + ty, const_val, tables, + )) + } + } + ty::ParamCt(param) => stable_mir::ty::ConstantKind::Param(param.stable(tables)), + ty::ErrorCt(_) => unreachable!(), + ty::InferCt(_) => unreachable!(), + ty::BoundCt(_, _) => unimplemented!(), + ty::PlaceholderCt(_) => unimplemented!(), + ty::Unevaluated(uv) => { + stable_mir::ty::ConstantKind::Unevaluated(stable_mir::ty::UnevaluatedConst { + def: tables.const_def(uv.def), + args: uv.args.stable(tables), + promoted: None, + }) + } + ty::ExprCt(_) => unimplemented!(), + }; + let stable_ty = tables.intern_ty(ty); + let id = tables.intern_mir_const(mir::Const::Ty(ty_const)); + stable_mir::ty::MirConst::new(kind, stable_ty, id) +} + impl<'tcx> Stable<'tcx> for ty::Const<'tcx> { - type T = stable_mir::ty::Const; + type T = stable_mir::ty::TyConst; fn stable(&self, tables: &mut Tables<'_>) -> Self::T { let kind = match self.kind() { @@ -425,30 +466,27 @@ impl<'tcx> Stable<'tcx> for ty::Const<'tcx> { let ty = tables.tcx.lift(self.ty()).unwrap(); let const_val = tables.tcx.valtree_to_const_val((ty, val)); if matches!(const_val, mir::ConstValue::ZeroSized) { - ConstantKind::ZeroSized + stable_mir::ty::TyConstKind::ZSTValue(ty.stable(tables)) } else { - stable_mir::ty::ConstantKind::Allocated(alloc::new_allocation( - ty, const_val, tables, - )) + stable_mir::ty::TyConstKind::Value( + ty.stable(tables), + alloc::new_allocation(ty, const_val, tables), + ) } } - ty::ParamCt(param) => stable_mir::ty::ConstantKind::Param(param.stable(tables)), + ty::ParamCt(param) => stable_mir::ty::TyConstKind::Param(param.stable(tables)), + ty::Unevaluated(uv) => stable_mir::ty::TyConstKind::Unevaluated( + tables.const_def(uv.def), + uv.args.stable(tables), + ), ty::ErrorCt(_) => unreachable!(), ty::InferCt(_) => unreachable!(), ty::BoundCt(_, _) => unimplemented!(), ty::PlaceholderCt(_) => unimplemented!(), - ty::Unevaluated(uv) => { - stable_mir::ty::ConstantKind::Unevaluated(stable_mir::ty::UnevaluatedConst { - def: tables.const_def(uv.def), - args: uv.args.stable(tables), - promoted: None, - }) - } ty::ExprCt(_) => unimplemented!(), }; - let ty = self.ty().stable(tables); - let id = tables.intern_const(mir::Const::Ty(tables.tcx.lift(*self).unwrap())); - Const::new(kind, ty, id) + let id = tables.intern_ty_const(tables.tcx.lift(*self).unwrap()); + stable_mir::ty::TyConst::new(kind, id) } } diff --git a/compiler/rustc_smir/src/rustc_smir/mod.rs b/compiler/rustc_smir/src/rustc_smir/mod.rs index aba7e7dc9c21..d13e78033263 100644 --- a/compiler/rustc_smir/src/rustc_smir/mod.rs +++ b/compiler/rustc_smir/src/rustc_smir/mod.rs @@ -14,7 +14,7 @@ use rustc_middle::ty::{self, Instance, Ty, TyCtxt}; use rustc_span::def_id::{CrateNum, DefId, LOCAL_CRATE}; use stable_mir::abi::Layout; use stable_mir::mir::mono::InstanceDef; -use stable_mir::ty::{ConstId, Span}; +use stable_mir::ty::{MirConstId, Span, TyConstId}; use stable_mir::{CtorKind, ItemKind}; use std::ops::RangeInclusive; use tracing::debug; @@ -33,7 +33,8 @@ pub struct Tables<'tcx> { pub(crate) spans: IndexMap, pub(crate) types: IndexMap, stable_mir::ty::Ty>, pub(crate) instances: IndexMap, InstanceDef>, - pub(crate) constants: IndexMap, ConstId>, + pub(crate) ty_consts: IndexMap, TyConstId>, + pub(crate) mir_consts: IndexMap, MirConstId>, pub(crate) layouts: IndexMap, Layout>, } @@ -42,8 +43,12 @@ impl<'tcx> Tables<'tcx> { self.types.create_or_fetch(ty) } - pub(crate) fn intern_const(&mut self, constant: mir::Const<'tcx>) -> ConstId { - self.constants.create_or_fetch(constant) + pub(crate) fn intern_ty_const(&mut self, ct: ty::Const<'tcx>) -> TyConstId { + self.ty_consts.create_or_fetch(ct) + } + + pub(crate) fn intern_mir_const(&mut self, constant: mir::Const<'tcx>) -> MirConstId { + self.mir_consts.create_or_fetch(constant) } pub(crate) fn has_body(&self, instance: Instance<'tcx>) -> bool { diff --git a/compiler/stable_mir/src/compiler_interface.rs b/compiler/stable_mir/src/compiler_interface.rs index 858ce5301d84..085dfd9ea890 100644 --- a/compiler/stable_mir/src/compiler_interface.rs +++ b/compiler/stable_mir/src/compiler_interface.rs @@ -11,10 +11,10 @@ use crate::mir::mono::{Instance, InstanceDef, StaticDef}; use crate::mir::{BinOp, Body, Place, UnOp}; use crate::target::MachineInfo; use crate::ty::{ - AdtDef, AdtKind, Allocation, ClosureDef, ClosureKind, Const, FieldDef, FnDef, ForeignDef, + AdtDef, AdtKind, Allocation, ClosureDef, ClosureKind, FieldDef, FnDef, ForeignDef, ForeignItemKind, ForeignModule, ForeignModuleDef, GenericArgs, GenericPredicates, Generics, - ImplDef, ImplTrait, IntrinsicDef, LineInfo, PolyFnSig, RigidTy, Span, TraitDecl, TraitDef, Ty, - TyKind, UintTy, VariantDef, + ImplDef, ImplTrait, IntrinsicDef, LineInfo, MirConst, PolyFnSig, RigidTy, Span, TraitDecl, + TraitDef, Ty, TyConst, TyConstId, TyKind, UintTy, VariantDef, }; use crate::{ mir, Crate, CrateItem, CrateItems, CrateNum, DefId, Error, Filename, ImplTraitDecls, ItemKind, @@ -109,19 +109,21 @@ pub trait Context { fn variant_fields(&self, def: VariantDef) -> Vec; /// Evaluate constant as a target usize. - fn eval_target_usize(&self, cnst: &Const) -> Result; + fn eval_target_usize(&self, cnst: &MirConst) -> Result; + fn eval_target_usize_ty(&self, cnst: &TyConst) -> Result; /// Create a new zero-sized constant. - fn try_new_const_zst(&self, ty: Ty) -> Result; + fn try_new_const_zst(&self, ty: Ty) -> Result; /// Create a new constant that represents the given string value. - fn new_const_str(&self, value: &str) -> Const; + fn new_const_str(&self, value: &str) -> MirConst; /// Create a new constant that represents the given boolean value. - fn new_const_bool(&self, value: bool) -> Const; + fn new_const_bool(&self, value: bool) -> MirConst; /// Create a new constant that represents the given value. - fn try_new_const_uint(&self, value: u128, uint_ty: UintTy) -> Result; + fn try_new_const_uint(&self, value: u128, uint_ty: UintTy) -> Result; + fn try_new_ty_const_uint(&self, value: u128, uint_ty: UintTy) -> Result; /// Create a new type from the given kind. fn new_rigid_ty(&self, kind: RigidTy) -> Ty; @@ -136,11 +138,13 @@ pub trait Context { fn def_ty_with_args(&self, item: DefId, args: &GenericArgs) -> Ty; /// Returns literal value of a const as a string. - fn const_pretty(&self, cnst: &Const) -> String; + fn mir_const_pretty(&self, cnst: &MirConst) -> String; /// `Span` of an item fn span_of_an_item(&self, def_id: DefId) -> Span; + fn ty_const_pretty(&self, ct: TyConstId) -> String; + /// Obtain the representation of a type. fn ty_pretty(&self, ty: Ty) -> String; diff --git a/compiler/stable_mir/src/mir/body.rs b/compiler/stable_mir/src/mir/body.rs index 4c779ae96a81..43e4682dc100 100644 --- a/compiler/stable_mir/src/mir/body.rs +++ b/compiler/stable_mir/src/mir/body.rs @@ -1,8 +1,8 @@ use crate::compiler_interface::with; use crate::mir::pretty::function_body; use crate::ty::{ - AdtDef, ClosureDef, Const, CoroutineDef, GenericArgs, Movability, Region, RigidTy, Ty, TyKind, - VariantIdx, + AdtDef, ClosureDef, CoroutineDef, GenericArgs, MirConst, Movability, Region, RigidTy, Ty, + TyConst, TyKind, VariantIdx, }; use crate::{Error, Opaque, Span, Symbol}; use std::io; @@ -524,7 +524,7 @@ pub enum Rvalue { /// Corresponds to source code like `[x; 32]`. /// /// [#74836]: https://github.com/rust-lang/rust/issues/74836 - Repeat(Operand, Const), + Repeat(Operand, TyConst), /// Transmutes a `*mut u8` into shallow-initialized `Box`. /// @@ -718,7 +718,7 @@ pub enum VarDebugInfoContents { pub struct ConstOperand { pub span: Span, pub user_ty: Option, - pub const_: Const, + pub const_: MirConst, } // In MIR ProjectionElem is parameterized on the second Field argument and the Index argument. This @@ -833,7 +833,7 @@ type UserTypeAnnotationIndex = usize; pub struct Constant { pub span: Span, pub user_ty: Option, - pub literal: Const, + pub literal: MirConst, } /// The possible branch sites of a [TerminatorKind::SwitchInt]. diff --git a/compiler/stable_mir/src/mir/pretty.rs b/compiler/stable_mir/src/mir/pretty.rs index 580dc1a2b88f..2fb180b84c7c 100644 --- a/compiler/stable_mir/src/mir/pretty.rs +++ b/compiler/stable_mir/src/mir/pretty.rs @@ -1,5 +1,5 @@ use crate::mir::{Operand, Place, Rvalue, StatementKind, UnwindAction, VarDebugInfoContents}; -use crate::ty::{Const, IndexedVal, Ty}; +use crate::ty::{IndexedVal, MirConst, Ty, TyConst}; use crate::{with, Body, Mutability}; use fmt::{Display, Formatter}; use std::fmt::Debug; @@ -46,7 +46,7 @@ pub(crate) fn function_body(writer: &mut W, body: &Body, name: &str) - VarDebugInfoContents::Place(place) => { format!("{place:?}") } - VarDebugInfoContents::Const(constant) => pretty_const(&constant.const_), + VarDebugInfoContents::Const(constant) => pretty_mir_const(&constant.const_), }; writeln!(writer, " debug {} => {};", info.name, content) })?; @@ -310,12 +310,16 @@ fn pretty_operand(operand: &Operand) -> String { Operand::Move(mv) => { format!("move {:?}", mv) } - Operand::Constant(cnst) => pretty_const(&cnst.literal), + Operand::Constant(cnst) => pretty_mir_const(&cnst.literal), } } -fn pretty_const(literal: &Const) -> String { - with(|cx| cx.const_pretty(literal)) +fn pretty_mir_const(literal: &MirConst) -> String { + with(|cx| cx.mir_const_pretty(literal)) +} + +fn pretty_ty_const(ct: &TyConst) -> String { + with(|cx| cx.ty_const_pretty(ct.id)) } fn pretty_rvalue(writer: &mut W, rval: &Rvalue) -> io::Result<()> { @@ -359,7 +363,7 @@ fn pretty_rvalue(writer: &mut W, rval: &Rvalue) -> io::Result<()> { write!(writer, "{kind}{:?}", place) } Rvalue::Repeat(op, cnst) => { - write!(writer, "{} \" \" {}", &pretty_operand(op), cnst.ty()) + write!(writer, "{} \" \" {}", &pretty_operand(op), &pretty_ty_const(cnst)) } Rvalue::ShallowInitBox(_, _) => Ok(()), Rvalue::ThreadLocalRef(item) => { diff --git a/compiler/stable_mir/src/mir/visit.rs b/compiler/stable_mir/src/mir/visit.rs index 24296e9e8778..10f30083dc2d 100644 --- a/compiler/stable_mir/src/mir/visit.rs +++ b/compiler/stable_mir/src/mir/visit.rs @@ -36,7 +36,7 @@ //! variant argument) that does not require visiting. use crate::mir::*; -use crate::ty::{Const, GenericArgs, Region, Ty}; +use crate::ty::{GenericArgs, MirConst, Region, Ty, TyConst}; use crate::{Error, Opaque, Span}; pub trait MirVisitor { @@ -112,8 +112,13 @@ pub trait MirVisitor { self.super_constant(constant, location) } - fn visit_const(&mut self, constant: &Const, location: Location) { - self.super_const(constant, location) + fn visit_mir_const(&mut self, constant: &MirConst, location: Location) { + self.super_mir_const(constant, location) + } + + fn visit_ty_const(&mut self, constant: &TyConst, location: Location) { + let _ = location; + self.super_ty_const(constant) } fn visit_region(&mut self, region: &Region, location: Location) { @@ -339,7 +344,7 @@ pub trait MirVisitor { } Rvalue::Repeat(op, constant) => { self.visit_operand(op, location); - self.visit_const(constant, location); + self.visit_ty_const(constant, location); } Rvalue::ShallowInitBox(op, ty) => { self.visit_ty(ty, location); @@ -378,14 +383,18 @@ pub trait MirVisitor { fn super_constant(&mut self, constant: &Constant, location: Location) { let Constant { span, user_ty: _, literal } = constant; self.visit_span(span); - self.visit_const(literal, location); + self.visit_mir_const(literal, location); } - fn super_const(&mut self, constant: &Const, location: Location) { - let Const { kind: _, ty, id: _ } = constant; + fn super_mir_const(&mut self, constant: &MirConst, location: Location) { + let MirConst { kind: _, ty, id: _ } = constant; self.visit_ty(ty, location); } + fn super_ty_const(&mut self, constant: &TyConst) { + let _ = constant; + } + fn super_region(&mut self, region: &Region) { let _ = region; } @@ -407,7 +416,7 @@ pub trait MirVisitor { self.visit_place(place, PlaceContext::NON_USE, location); } VarDebugInfoContents::Const(constant) => { - self.visit_const(&constant.const_, location); + self.visit_mir_const(&constant.const_, location); } } } diff --git a/compiler/stable_mir/src/ty.rs b/compiler/stable_mir/src/ty.rs index 50bf0a5d74ef..bcbe87f7303b 100644 --- a/compiler/stable_mir/src/ty.rs +++ b/compiler/stable_mir/src/ty.rs @@ -28,11 +28,11 @@ impl Ty { /// Create a new array type. pub fn try_new_array(elem_ty: Ty, size: u64) -> Result { - Ok(Ty::from_rigid_kind(RigidTy::Array(elem_ty, Const::try_from_target_usize(size)?))) + Ok(Ty::from_rigid_kind(RigidTy::Array(elem_ty, TyConst::try_from_target_usize(size)?))) } /// Create a new array type from Const length. - pub fn new_array_with_const_len(elem_ty: Ty, len: Const) -> Ty { + pub fn new_array_with_const_len(elem_ty: Ty, len: TyConst) -> Ty { Ty::from_rigid_kind(RigidTy::Array(elem_ty, len)) } @@ -101,24 +101,66 @@ impl Ty { /// Represents a pattern in the type system #[derive(Clone, Debug, Eq, PartialEq)] pub enum Pattern { - Range { start: Option, end: Option, include_end: bool }, + Range { start: Option, end: Option, include_end: bool }, } -/// Represents a constant in MIR or from the Type system. +/// Represents a constant in the type system #[derive(Clone, Debug, Eq, PartialEq)] -pub struct Const { +pub struct TyConst { + pub(crate) kind: TyConstKind, + pub id: TyConstId, +} + +impl TyConst { + pub fn new(kind: TyConstKind, id: TyConstId) -> TyConst { + Self { kind, id } + } + + /// Retrieve the constant kind. + pub fn kind(&self) -> &TyConstKind { + &self.kind + } + + /// Creates an interned usize constant. + fn try_from_target_usize(val: u64) -> Result { + with(|cx| cx.try_new_ty_const_uint(val.into(), UintTy::Usize)) + } + + /// Try to evaluate to a target `usize`. + pub fn eval_target_usize(&self) -> Result { + with(|cx| cx.eval_target_usize_ty(self)) + } +} + +#[derive(Clone, Debug, Eq, PartialEq)] +pub enum TyConstKind { + Param(ParamConst), + Bound(DebruijnIndex, BoundVar), + Unevaluated(ConstDef, GenericArgs), + + // FIXME: These should be a valtree + Value(Ty, Allocation), + ZSTValue(Ty), +} + +#[derive(Copy, Clone, Debug, Eq, PartialEq)] +pub struct TyConstId(usize); + +/// Represents a constant in MIR +#[derive(Clone, Debug, Eq, PartialEq)] +pub struct MirConst { /// The constant kind. pub(crate) kind: ConstantKind, /// The constant type. pub(crate) ty: Ty, /// Used for internal tracking of the internal constant. - pub id: ConstId, + pub id: MirConstId, } -impl Const { +impl MirConst { /// Build a constant. Note that this should only be used by the compiler. - pub fn new(kind: ConstantKind, ty: Ty, id: ConstId) -> Const { - Const { kind, ty, id } + pub fn new(kind: ConstantKind, ty: Ty, id: MirConstId) -> MirConst { + MirConst { kind, ty, id } } /// Retrieve the constant kind. @@ -131,11 +173,6 @@ impl Const { self.ty } - /// Creates an interned usize constant. - fn try_from_target_usize(val: u64) -> Result { - with(|cx| cx.try_new_const_uint(val.into(), UintTy::Usize)) - } - /// Try to evaluate to a target `usize`. pub fn eval_target_usize(&self) -> Result { with(|cx| cx.eval_target_usize(self)) @@ -143,7 +180,7 @@ impl Const { /// Create a constant that represents a new zero-sized constant of type T. /// Fails if the type is not a ZST or if it doesn't have a known size. - pub fn try_new_zero_sized(ty: Ty) -> Result { + pub fn try_new_zero_sized(ty: Ty) -> Result { with(|cx| cx.try_new_const_zst(ty)) } @@ -152,23 +189,23 @@ impl Const { /// Note that there is no guarantee today about duplication of the same constant. /// I.e.: Calling this function multiple times with the same argument may or may not return /// the same allocation. - pub fn from_str(value: &str) -> Const { + pub fn from_str(value: &str) -> MirConst { with(|cx| cx.new_const_str(value)) } /// Build a new constant that represents the given boolean value. - pub fn from_bool(value: bool) -> Const { + pub fn from_bool(value: bool) -> MirConst { with(|cx| cx.new_const_bool(value)) } /// Build a new constant that represents the given unsigned integer. - pub fn try_from_uint(value: u128, uint_ty: UintTy) -> Result { + pub fn try_from_uint(value: u128, uint_ty: UintTy) -> Result { with(|cx| cx.try_new_const_uint(value, uint_ty)) } } #[derive(Clone, Copy, Debug, PartialEq, Eq)] -pub struct ConstId(usize); +pub struct MirConstId(usize); type Ident = Opaque; @@ -484,7 +521,7 @@ pub enum RigidTy { Adt(AdtDef, GenericArgs), Foreign(ForeignDef), Str, - Array(Ty, Const), + Array(Ty, TyConst), Pat(Ty, Pattern), Slice(Ty), RawPtr(Ty, Mutability), @@ -866,7 +903,7 @@ impl std::ops::Index for GenericArgs { } impl std::ops::Index for GenericArgs { - type Output = Const; + type Output = TyConst; fn index(&self, index: ParamConst) -> &Self::Output { self.0[index.index as usize].expect_const() @@ -877,7 +914,7 @@ impl std::ops::Index for GenericArgs { pub enum GenericArgKind { Lifetime(Region), Type(Ty), - Const(Const), + Const(TyConst), } impl GenericArgKind { @@ -894,7 +931,7 @@ impl GenericArgKind { /// Panic if this generic argument is not a const, otherwise /// return the const. #[track_caller] - pub fn expect_const(&self) -> &Const { + pub fn expect_const(&self) -> &TyConst { match self { GenericArgKind::Const(c) => c, _ => panic!("{self:?}"), @@ -913,7 +950,7 @@ impl GenericArgKind { #[derive(Clone, Debug, Eq, PartialEq)] pub enum TermKind { Type(Ty), - Const(Const), + Const(TyConst), } #[derive(Clone, Debug, Eq, PartialEq)] @@ -1202,6 +1239,7 @@ impl Allocation { #[derive(Clone, Debug, Eq, PartialEq)] pub enum ConstantKind { + Ty(TyConst), Allocated(Allocation), Unevaluated(UnevaluatedConst), Param(ParamConst), @@ -1335,7 +1373,7 @@ pub enum PredicateKind { ObjectSafe(TraitDef), SubType(SubtypePredicate), Coerce(CoercePredicate), - ConstEquate(Const, Const), + ConstEquate(TyConst, TyConst), Ambiguous, AliasRelate(TermKind, TermKind, AliasRelationDirection), } @@ -1346,9 +1384,9 @@ pub enum ClauseKind { RegionOutlives(RegionOutlivesPredicate), TypeOutlives(TypeOutlivesPredicate), Projection(ProjectionPredicate), - ConstArgHasType(Const, Ty), + ConstArgHasType(TyConst, Ty), WellFormed(GenericArgKind), - ConstEvaluatable(Const), + ConstEvaluatable(TyConst), } #[derive(Clone, Debug, Eq, PartialEq)] @@ -1426,7 +1464,8 @@ macro_rules! index_impl { }; } -index_impl!(ConstId); +index_impl!(TyConstId); +index_impl!(MirConstId); index_impl!(Ty); index_impl!(Span); diff --git a/compiler/stable_mir/src/visitor.rs b/compiler/stable_mir/src/visitor.rs index 2d7159f87fec..fc1da8fafe48 100644 --- a/compiler/stable_mir/src/visitor.rs +++ b/compiler/stable_mir/src/visitor.rs @@ -1,10 +1,10 @@ use std::ops::ControlFlow; -use crate::Opaque; +use crate::{ty::TyConst, Opaque}; use super::ty::{ - Allocation, Binder, Const, ConstDef, ExistentialPredicate, FnSig, GenericArgKind, GenericArgs, - Promoted, Region, RigidTy, TermKind, Ty, UnevaluatedConst, + Allocation, Binder, ConstDef, ExistentialPredicate, FnSig, GenericArgKind, GenericArgs, + MirConst, Promoted, Region, RigidTy, TermKind, Ty, UnevaluatedConst, }; pub trait Visitor: Sized { @@ -12,7 +12,7 @@ pub trait Visitor: Sized { fn visit_ty(&mut self, ty: &Ty) -> ControlFlow { ty.super_visit(self) } - fn visit_const(&mut self, c: &Const) -> ControlFlow { + fn visit_const(&mut self, c: &TyConst) -> ControlFlow { c.super_visit(self) } fn visit_reg(&mut self, reg: &Region) -> ControlFlow { @@ -42,12 +42,32 @@ impl Visitable for Ty { } } -impl Visitable for Const { +impl Visitable for TyConst { fn visit(&self, visitor: &mut V) -> ControlFlow { visitor.visit_const(self) } + fn super_visit(&self, visitor: &mut V) -> ControlFlow { + match &self.kind { + crate::ty::TyConstKind::Param(_) => {} + crate::ty::TyConstKind::Bound(_, _) => {} + crate::ty::TyConstKind::Unevaluated(_, args) => args.visit(visitor)?, + crate::ty::TyConstKind::Value(ty, alloc) => { + alloc.visit(visitor)?; + ty.visit(visitor)?; + } + crate::ty::TyConstKind::ZSTValue(ty) => ty.visit(visitor)?, + } + ControlFlow::Continue(()) + } +} + +impl Visitable for MirConst { + fn visit(&self, visitor: &mut V) -> ControlFlow { + self.super_visit(visitor) + } fn super_visit(&self, visitor: &mut V) -> ControlFlow { match &self.kind() { + super::ty::ConstantKind::Ty(ct) => ct.visit(visitor)?, super::ty::ConstantKind::Allocated(alloc) => alloc.visit(visitor)?, super::ty::ConstantKind::Unevaluated(uv) => uv.visit(visitor)?, super::ty::ConstantKind::Param(_) | super::ty::ConstantKind::ZeroSized => {} diff --git a/tests/ui-fulldeps/stable-mir/check_transform.rs b/tests/ui-fulldeps/stable-mir/check_transform.rs index 6345ee24f789..b203e76e54f4 100644 --- a/tests/ui-fulldeps/stable-mir/check_transform.rs +++ b/tests/ui-fulldeps/stable-mir/check_transform.rs @@ -22,7 +22,7 @@ use rustc_smir::rustc_internal; use stable_mir::mir::alloc::GlobalAlloc; use stable_mir::mir::mono::Instance; use stable_mir::mir::{Body, Constant, Operand, Rvalue, StatementKind, TerminatorKind}; -use stable_mir::ty::{Const, ConstantKind}; +use stable_mir::ty::{ConstantKind, MirConst}; use stable_mir::{CrateDef, CrateItems, ItemKind}; use std::convert::TryFrom; use std::io::Write; @@ -77,7 +77,7 @@ fn check_msg(body: &Body, expected: &str) { }; assert_eq!(alloc.provenance.ptrs.len(), 1); - let alloc_prov_id = alloc.provenance.ptrs[0].1 .0; + let alloc_prov_id = alloc.provenance.ptrs[0].1.0; let GlobalAlloc::Memory(val) = GlobalAlloc::from(alloc_prov_id) else { unreachable!() }; @@ -95,7 +95,7 @@ fn change_panic_msg(mut body: Body, new_msg: &str) -> Body { for bb in &mut body.blocks { match &mut bb.terminator.kind { TerminatorKind::Call { args, .. } => { - let new_const = Const::from_str(new_msg); + let new_const = MirConst::from_str(new_msg); args[0] = Operand::Constant(Constant { literal: new_const, span: bb.terminator.span, From fd5777c4c5c8fbc54d33d15afb29479180c532be Mon Sep 17 00:00:00 2001 From: schvv31n Date: Tue, 4 Jun 2024 11:53:59 +0100 Subject: [PATCH 0953/1716] impl OsString::leak & PathBuf::leak --- library/std/src/ffi/os_str.rs | 19 +++++++++++++++++++ library/std/src/ffi/os_str/tests.rs | 7 +++++++ library/std/src/path.rs | 19 +++++++++++++++++++ library/std/src/path/tests.rs | 7 +++++++ library/std/src/sys/os_str/bytes.rs | 5 +++++ library/std/src/sys/os_str/wtf8.rs | 5 +++++ library/std/src/sys_common/wtf8.rs | 5 +++++ 7 files changed, 67 insertions(+) diff --git a/library/std/src/ffi/os_str.rs b/library/std/src/ffi/os_str.rs index 9dd3d7d3fa16..f6b9de26c1c4 100644 --- a/library/std/src/ffi/os_str.rs +++ b/library/std/src/ffi/os_str.rs @@ -533,6 +533,25 @@ impl OsString { unsafe { Box::from_raw(rw) } } + /// Consumes and leaks the `OsString`, returning a mutable reference to the contents, + /// `&'a mut OsStr`. + /// + /// The caller has free choice over the returned lifetime, including 'static. + /// Indeed, this function is ideally used for data that lives for the remainder of + /// the program’s life, as dropping the returned reference will cause a memory leak. + /// + /// It does not reallocate or shrink the `OsString`, so the leaked allocation may include + /// unused capacity that is not part of the returned slice. If you want to discard excess + /// capacity, call [`into_boxed_os_str`], and then [`Box::leak`] instead. + /// However, keep in mind that trimming the capacity may result in a reallocation and copy. + /// + /// [`into_boxed_os_str`]: Self::into_boxed_os_str + #[unstable(feature = "os_string_pathbuf_leak", issue = "125965")] + #[inline] + pub fn leak<'a>(self) -> &'a mut OsStr { + OsStr::from_inner_mut(self.inner.leak()) + } + /// Part of a hack to make PathBuf::push/pop more efficient. #[inline] pub(crate) fn as_mut_vec_for_path_buf(&mut self) -> &mut Vec { diff --git a/library/std/src/ffi/os_str/tests.rs b/library/std/src/ffi/os_str/tests.rs index b020e05eaab2..2379f0ba489e 100644 --- a/library/std/src/ffi/os_str/tests.rs +++ b/library/std/src/ffi/os_str/tests.rs @@ -23,6 +23,13 @@ fn test_os_string_clear() { assert_eq!(0, os_string.inner.as_inner().len()); } +#[test] +fn test_os_string_leak() { + let os_string = OsString::from("have a cake"); + let leaked = os_string.leak(); + assert_eq!(leaked.as_encoded_bytes(), b"have a cake"); +} + #[test] fn test_os_string_capacity() { let os_string = OsString::with_capacity(0); diff --git a/library/std/src/path.rs b/library/std/src/path.rs index f4e1e2a38c10..adbcdcd2e67e 100644 --- a/library/std/src/path.rs +++ b/library/std/src/path.rs @@ -1226,6 +1226,25 @@ impl PathBuf { self } + /// Consumes and leaks the `PathBuf`, returning a mutable reference to the contents, + /// `&'a mut Path`. + /// + /// The caller has free choice over the returned lifetime, including 'static. + /// Indeed, this function is ideally used for data that lives for the remainder of + /// the program’s life, as dropping the returned reference will cause a memory leak. + /// + /// It does not reallocate or shrink the `PathBuf`, so the leaked allocation may include + /// unused capacity that is not part of the returned slice. If you want to discard excess + /// capacity, call [`into_boxed_path`], and then [`Box::leak`] instead. + /// However, keep in mind that trimming the capacity may result in a reallocation and copy. + /// + /// [`into_boxed_path`]: Self::into_boxed_path + #[unstable(feature = "os_string_pathbuf_leak", issue = "125965")] + #[inline] + pub fn leak<'a>(self) -> &'a mut Path { + Path::from_inner_mut(self.inner.leak()) + } + /// Extends `self` with `path`. /// /// If `path` is absolute, it replaces the current path. diff --git a/library/std/src/path/tests.rs b/library/std/src/path/tests.rs index 2d8e50d1f88e..d29f895ba38f 100644 --- a/library/std/src/path/tests.rs +++ b/library/std/src/path/tests.rs @@ -126,6 +126,13 @@ fn into() { assert_eq!(static_cow_path, owned_cow_path); } +#[test] +fn test_pathbuf_leak() { + let buf = PathBuf::from("/have/a/cake".to_owned()); + let leaked = buf.leak(); + assert_eq!(leaked.as_os_str().as_encoded_bytes(), b"/have/a/cake"); +} + #[test] #[cfg(unix)] pub fn test_decompositions_unix() { diff --git a/library/std/src/sys/os_str/bytes.rs b/library/std/src/sys/os_str/bytes.rs index 18b969bca85a..f7c6b0877aa6 100644 --- a/library/std/src/sys/os_str/bytes.rs +++ b/library/std/src/sys/os_str/bytes.rs @@ -176,6 +176,11 @@ impl Buf { self.inner.extend_from_slice(&s.inner) } + #[inline] + pub fn leak<'a>(self) -> &'a mut Slice { + unsafe { mem::transmute(self.inner.leak()) } + } + #[inline] pub fn into_box(self) -> Box { unsafe { mem::transmute(self.inner.into_boxed_slice()) } diff --git a/library/std/src/sys/os_str/wtf8.rs b/library/std/src/sys/os_str/wtf8.rs index b3ceb55802dc..dfff4dd4fb02 100644 --- a/library/std/src/sys/os_str/wtf8.rs +++ b/library/std/src/sys/os_str/wtf8.rs @@ -138,6 +138,11 @@ impl Buf { self.inner.shrink_to(min_capacity) } + #[inline] + pub fn leak<'a>(self) -> &'a mut Slice { + unsafe { mem::transmute(self.inner.leak()) } + } + #[inline] pub fn into_box(self) -> Box { unsafe { mem::transmute(self.inner.into_box()) } diff --git a/library/std/src/sys_common/wtf8.rs b/library/std/src/sys_common/wtf8.rs index 38e15f9f5496..bb1e505285bf 100644 --- a/library/std/src/sys_common/wtf8.rs +++ b/library/std/src/sys_common/wtf8.rs @@ -325,6 +325,11 @@ impl Wtf8Buf { self.bytes.shrink_to(min_capacity) } + #[inline] + pub fn leak<'a>(self) -> &'a mut Wtf8 { + unsafe { Wtf8::from_mut_bytes_unchecked(self.bytes.leak()) } + } + /// Returns the number of bytes that this string buffer can hold without reallocating. #[inline] pub fn capacity(&self) -> usize { From 67a73f265f6eb66f0804f467a640fee45301be73 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Tue, 4 Jun 2024 11:27:54 +0000 Subject: [PATCH 0954/1716] bless privacy tests (only diagnostic duplication) --- .../generic_const_exprs/eval-privacy.rs | 1 + .../generic_const_exprs/eval-privacy.stderr | 13 ++++++++++++- tests/ui/privacy/where-priv-type.rs | 1 + tests/ui/privacy/where-priv-type.stderr | 13 ++++++++++++- 4 files changed, 26 insertions(+), 2 deletions(-) diff --git a/tests/ui/const-generics/generic_const_exprs/eval-privacy.rs b/tests/ui/const-generics/generic_const_exprs/eval-privacy.rs index 8023b998a409..af17a37bf23a 100644 --- a/tests/ui/const-generics/generic_const_exprs/eval-privacy.rs +++ b/tests/ui/const-generics/generic_const_exprs/eval-privacy.rs @@ -15,6 +15,7 @@ where { type AssocTy = Const<{ my_const_fn(U) }>; //~^ ERROR private type + //~| ERROR private type fn assoc_fn() -> Self::AssocTy { Const } diff --git a/tests/ui/const-generics/generic_const_exprs/eval-privacy.stderr b/tests/ui/const-generics/generic_const_exprs/eval-privacy.stderr index 043fa34d605a..df0d43bef876 100644 --- a/tests/ui/const-generics/generic_const_exprs/eval-privacy.stderr +++ b/tests/ui/const-generics/generic_const_exprs/eval-privacy.stderr @@ -7,6 +7,17 @@ LL | type AssocTy = Const<{ my_const_fn(U) }>; LL | const fn my_const_fn(val: u8) -> u8 { | ----------------------------------- `fn(u8) -> u8 {my_const_fn}` declared as private -error: aborting due to 1 previous error +error[E0446]: private type `fn(u8) -> u8 {my_const_fn}` in public interface + --> $DIR/eval-privacy.rs:16:5 + | +LL | type AssocTy = Const<{ my_const_fn(U) }>; + | ^^^^^^^^^^^^ can't leak private type +... +LL | const fn my_const_fn(val: u8) -> u8 { + | ----------------------------------- `fn(u8) -> u8 {my_const_fn}` declared as private + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0446`. diff --git a/tests/ui/privacy/where-priv-type.rs b/tests/ui/privacy/where-priv-type.rs index cd9cce7ec3e8..a62feace2da2 100644 --- a/tests/ui/privacy/where-priv-type.rs +++ b/tests/ui/privacy/where-priv-type.rs @@ -74,6 +74,7 @@ where { type AssocTy = Const<{ my_const_fn(U) }>; //~^ ERROR private type + //~| ERROR private type fn assoc_fn() -> Self::AssocTy { Const } diff --git a/tests/ui/privacy/where-priv-type.stderr b/tests/ui/privacy/where-priv-type.stderr index 126330b14a63..8ea2e17c4361 100644 --- a/tests/ui/privacy/where-priv-type.stderr +++ b/tests/ui/privacy/where-priv-type.stderr @@ -77,6 +77,17 @@ LL | type AssocTy = Const<{ my_const_fn(U) }>; LL | const fn my_const_fn(val: u8) -> u8 { | ----------------------------------- `fn(u8) -> u8 {my_const_fn}` declared as private -error: aborting due to 1 previous error; 5 warnings emitted +error[E0446]: private type `fn(u8) -> u8 {my_const_fn}` in public interface + --> $DIR/where-priv-type.rs:75:5 + | +LL | type AssocTy = Const<{ my_const_fn(U) }>; + | ^^^^^^^^^^^^ can't leak private type +... +LL | const fn my_const_fn(val: u8) -> u8 { + | ----------------------------------- `fn(u8) -> u8 {my_const_fn}` declared as private + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: aborting due to 2 previous errors; 5 warnings emitted For more information about this error, try `rustc --explain E0446`. From 617e64c9e7233ec1f936b8e14c30037fc3f6a1be Mon Sep 17 00:00:00 2001 From: Sergi-Ferrez Date: Tue, 4 Jun 2024 13:49:39 +0200 Subject: [PATCH 0955/1716] Update code format and tests --- src/librustdoc/html/format.rs | 4 ++-- tests/rustdoc/async-fn.rs | 2 +- tests/rustdoc/decl-line-wrapping-empty-arg-list.decl.html | 3 +-- tests/rustdoc/decl-trailing-whitespace.declaration.html | 4 ++-- tests/rustdoc/inline_cross/impl_trait.rs | 2 +- tests/rustdoc/line-breaks.rs | 2 +- tests/rustdoc/reexports-priv.rs | 2 +- 7 files changed, 9 insertions(+), 10 deletions(-) diff --git a/src/librustdoc/html/format.rs b/src/librustdoc/html/format.rs index de92fb80b938..ff49f65ed08f 100644 --- a/src/librustdoc/html/format.rs +++ b/src/librustdoc/html/format.rs @@ -1431,7 +1431,7 @@ impl clean::FnDecl { cx: &Context<'_>, ) -> fmt::Result { let amp = if f.alternate() { "&" } else { "&" }; - + write!(f, "(")?; if let Some(n) = line_wrapping_indent && !self.inputs.values.is_empty() @@ -1483,7 +1483,7 @@ impl clean::FnDecl { if self.c_variadic { match line_wrapping_indent { - None => write!(f, "...")?, + None => write!(f, ", ...")?, Some(n) => write!(f, "{}...\n", Indent(n + 4))?, }; } diff --git a/tests/rustdoc/async-fn.rs b/tests/rustdoc/async-fn.rs index 010263f6ad31..4de5d8575b03 100644 --- a/tests/rustdoc/async-fn.rs +++ b/tests/rustdoc/async-fn.rs @@ -79,7 +79,7 @@ struct AsyncFdReadyGuard<'a, T> { x: &'a T } impl Foo { // @has async_fn/struct.Foo.html - // @has - '//*[@class="method"]' 'pub async fn complicated_lifetimes( &self, context: &impl Bar ) -> impl Iterator' + // @has - '//*[@class="method"]' 'pub async fn complicated_lifetimes( &self, context: &impl Bar, ) -> impl Iterator' pub async fn complicated_lifetimes(&self, context: &impl Bar) -> impl Iterator { [0].iter() } diff --git a/tests/rustdoc/decl-line-wrapping-empty-arg-list.decl.html b/tests/rustdoc/decl-line-wrapping-empty-arg-list.decl.html index 29c08c5bd5de..12c6bc214a72 100644 --- a/tests/rustdoc/decl-line-wrapping-empty-arg-list.decl.html +++ b/tests/rustdoc/decl-line-wrapping-empty-arg-list.decl.html @@ -1,2 +1 @@ -

pub fn create(
-) -> Padding00000000000000000000000000000000000000000000000000000000000000000000000000000000
\ No newline at end of file +
pub fn create() -> Padding00000000000000000000000000000000000000000000000000000000000000000000000000000000
\ No newline at end of file diff --git a/tests/rustdoc/decl-trailing-whitespace.declaration.html b/tests/rustdoc/decl-trailing-whitespace.declaration.html index 59c318c16f3b..0cc3f0fa244e 100644 --- a/tests/rustdoc/decl-trailing-whitespace.declaration.html +++ b/tests/rustdoc/decl-trailing-whitespace.declaration.html @@ -3,7 +3,7 @@ fn poll_write( self, cx: &mut Option<String>, - buf: &mut [usize] + buf: &mut [usize], ) -> Option<Result<usize, Error>>; fn poll_flush(self, cx: &mut Option<String>) -> Option<Result<(), Error>>; fn poll_close(self, cx: &mut Option<String>) -> Option<Result<(), Error>>; @@ -12,6 +12,6 @@ fn poll_write_vectored( self, cx: &mut Option<String>, - bufs: &[usize] + bufs: &[usize], ) -> Option<Result<usize, Error>> { ... } } \ No newline at end of file diff --git a/tests/rustdoc/inline_cross/impl_trait.rs b/tests/rustdoc/inline_cross/impl_trait.rs index 47e2c9dc76bc..19d1673f2eb9 100644 --- a/tests/rustdoc/inline_cross/impl_trait.rs +++ b/tests/rustdoc/inline_cross/impl_trait.rs @@ -11,7 +11,7 @@ pub use impl_trait_aux::func; // @has impl_trait/fn.func2.html // @has - '//pre[@class="rust item-decl"]' "func2(" // @has - '//pre[@class="rust item-decl"]' "_x: impl Deref> + Iterator," -// @has - '//pre[@class="rust item-decl"]' "_y: impl Iterator )" +// @has - '//pre[@class="rust item-decl"]' "_y: impl Iterator, )" // @!has - '//pre[@class="rust item-decl"]' 'where' pub use impl_trait_aux::func2; diff --git a/tests/rustdoc/line-breaks.rs b/tests/rustdoc/line-breaks.rs index 21aa3a03ce43..0f760d51973c 100644 --- a/tests/rustdoc/line-breaks.rs +++ b/tests/rustdoc/line-breaks.rs @@ -6,7 +6,7 @@ use std::ops::Add; // @matches foo/fn.function_with_a_really_long_name.html '//*[@class="rust item-decl"]//code' "\ // function_with_a_really_long_name\(\n\ // \ parameter_one: i32,\n\ -// \ parameter_two: i32\n\ +// \ parameter_two: i32,\n\ // \) -> Option$" pub fn function_with_a_really_long_name(parameter_one: i32, parameter_two: i32) -> Option { Some(parameter_one + parameter_two) diff --git a/tests/rustdoc/reexports-priv.rs b/tests/rustdoc/reexports-priv.rs index 1eee262d2330..97318a014105 100644 --- a/tests/rustdoc/reexports-priv.rs +++ b/tests/rustdoc/reexports-priv.rs @@ -98,7 +98,7 @@ pub mod outer { pub use reexports::foo; // @has 'foo/outer/inner/fn.foo_crate.html' '//pre[@class="rust item-decl"]' 'pub(crate) fn foo_crate()' pub(crate) use reexports::foo_crate; - // @has 'foo/outer/inner/fn.foo_super.html' '//pre[@class="rust item-decl"]' 'pub(in outer) fn foo_super( )' + // @has 'foo/outer/inner/fn.foo_super.html' '//pre[@class="rust item-decl"]' 'pub(in outer) fn foo_super()' pub(super) use::reexports::foo_super; // @!has 'foo/outer/inner/fn.foo_self.html' pub(self) use reexports::foo_self; From 744dc8c503debec5ce39f9529de80300ee1f7a2a Mon Sep 17 00:00:00 2001 From: Sergi-Ferrez Date: Tue, 4 Jun 2024 16:05:51 +0200 Subject: [PATCH 0956/1716] Use checked_sub --- src/librustdoc/html/format.rs | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/src/librustdoc/html/format.rs b/src/librustdoc/html/format.rs index ff49f65ed08f..4268fadd6c59 100644 --- a/src/librustdoc/html/format.rs +++ b/src/librustdoc/html/format.rs @@ -1439,7 +1439,7 @@ impl clean::FnDecl { write!(f, "\n{}", Indent(n + 4))?; } - let last_input_index = self.inputs.values.len() - 1; + let last_input_index = self.inputs.values.len().checked_sub(1); for (i, input) in self.inputs.values.iter().enumerate() { if let Some(selfty) = input.to_self() { match selfty { @@ -1473,11 +1473,12 @@ impl clean::FnDecl { write!(f, "{}: ", input.name)?; input.type_.print(cx).fmt(f)?; } - match line_wrapping_indent { - None if i == last_input_index => (), - None => write!(f, ", ")?, - Some(_n) if i == last_input_index => write!(f, ",\n")?, - Some(n) => write!(f, ",\n{}", Indent(n + 4))?, + match (line_wrapping_indent, last_input_index) { + (_, None) => (), + (None, Some(last_i)) if i != last_i => write!(f, ", ")?, + (None, Some(_)) => (), + (Some(n), Some(last_i)) if i != last_i => write!(f, ",\n{}", Indent(n + 4))?, + (Some(_), Some(_)) => write!(f, ",\n")?, } } From c7491a988597d52c4b59e3e98e1965ae4648d357 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Tue, 4 Jun 2024 19:55:29 +1000 Subject: [PATCH 0957/1716] Remove `tests/run-make-fulldeps/pretty-expanded` This was an ancient regression test for #12685, caused by `-Zunpretty=expanded` crashing on certain code produced by `#[derive(RustcEncodable)]`. --- .../pretty-expanded/Makefile | 4 --- .../pretty-expanded/input.rs | 25 ------------------- 2 files changed, 29 deletions(-) delete mode 100644 tests/run-make-fulldeps/pretty-expanded/Makefile delete mode 100644 tests/run-make-fulldeps/pretty-expanded/input.rs diff --git a/tests/run-make-fulldeps/pretty-expanded/Makefile b/tests/run-make-fulldeps/pretty-expanded/Makefile deleted file mode 100644 index 48199179ecef..000000000000 --- a/tests/run-make-fulldeps/pretty-expanded/Makefile +++ /dev/null @@ -1,4 +0,0 @@ -include ../../run-make/tools.mk - -all: - $(RUSTC) -o $(TMPDIR)/input.expanded.rs -Zunpretty=expanded input.rs diff --git a/tests/run-make-fulldeps/pretty-expanded/input.rs b/tests/run-make-fulldeps/pretty-expanded/input.rs deleted file mode 100644 index 64ed97572ee9..000000000000 --- a/tests/run-make-fulldeps/pretty-expanded/input.rs +++ /dev/null @@ -1,25 +0,0 @@ -// #13544 - -#[derive(Debug)] -pub struct A; - -#[derive(Debug)] -pub struct B(isize); - -#[derive(Debug)] -pub struct C { - x: isize, -} - -#[derive(Debug)] -pub enum D {} - -#[derive(Debug)] -pub enum E { - y, -} - -#[derive(Debug)] -pub enum F { - z(isize), -} From 5e8df95dbb445b2891610a9e46ce31c2b615bc09 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Mon, 27 May 2024 13:01:16 +0000 Subject: [PATCH 0958/1716] Manual rustfmt --- compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs index 58eb0c281798..5f73b3b618f5 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs @@ -1419,8 +1419,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { self.dcx().span_delayed_bug( span, format!( - "instantiate_value_path: (UFCS) {self_ty:?} was a subtype of {impl_ty:?} but now is not?", - ), + "instantiate_value_path: (UFCS) {self_ty:?} was a subtype of {impl_ty:?} but now is not?", + ), ); } } From 14f9c63759b67ad725dbecb003bcb7752fc92d69 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Tue, 28 May 2024 06:32:35 +0000 Subject: [PATCH 0959/1716] Show that it will pick up the entirely wrong function as a private candidate --- src/tools/tidy/src/ui_tests.rs | 2 +- ...3498.stderr => issue-53498.different_name.stderr} | 2 +- tests/ui/issues/issue-53498.rs | 9 ++++++++- tests/ui/issues/issue-53498.same_name.stderr | 12 ++++++++++++ 4 files changed, 22 insertions(+), 3 deletions(-) rename tests/ui/issues/{issue-53498.stderr => issue-53498.different_name.stderr} (91%) create mode 100644 tests/ui/issues/issue-53498.same_name.stderr diff --git a/src/tools/tidy/src/ui_tests.rs b/src/tools/tidy/src/ui_tests.rs index cce0fb2c1a25..37ce335c9a3d 100644 --- a/src/tools/tidy/src/ui_tests.rs +++ b/src/tools/tidy/src/ui_tests.rs @@ -15,7 +15,7 @@ use std::path::{Path, PathBuf}; const ENTRY_LIMIT: u32 = 900; // FIXME: The following limits should be reduced eventually. -const ISSUES_ENTRY_LIMIT: u32 = 1674; +const ISSUES_ENTRY_LIMIT: u32 = 1675; const EXPECTED_TEST_FILE_EXTENSIONS: &[&str] = &[ "rs", // test source files diff --git a/tests/ui/issues/issue-53498.stderr b/tests/ui/issues/issue-53498.different_name.stderr similarity index 91% rename from tests/ui/issues/issue-53498.stderr rename to tests/ui/issues/issue-53498.different_name.stderr index 61a1aedf5082..45ee858ac921 100644 --- a/tests/ui/issues/issue-53498.stderr +++ b/tests/ui/issues/issue-53498.different_name.stderr @@ -1,5 +1,5 @@ error[E0624]: associated function `foo` is private - --> $DIR/issue-53498.rs:16:27 + --> $DIR/issue-53498.rs:21:27 | LL | fn foo() {} | -------- private associated function defined here diff --git a/tests/ui/issues/issue-53498.rs b/tests/ui/issues/issue-53498.rs index 9e0437c46f4b..816d3f9e448f 100644 --- a/tests/ui/issues/issue-53498.rs +++ b/tests/ui/issues/issue-53498.rs @@ -1,3 +1,5 @@ +//@ revisions: same_name different_name + pub mod test { pub struct A; pub struct B; @@ -8,10 +10,15 @@ pub mod test { } impl Foo { + #[cfg(same_name)] fn foo() {} + #[cfg(different_name)] + fn bar() {} } } fn main() { - test::Foo::::foo(); //~ ERROR associated function `foo` is private + test::Foo::::foo(); + //[same_name]~^ ERROR associated function `foo` is private + //[different_name]~^^ ERROR associated function `foo` is private } diff --git a/tests/ui/issues/issue-53498.same_name.stderr b/tests/ui/issues/issue-53498.same_name.stderr new file mode 100644 index 000000000000..45ee858ac921 --- /dev/null +++ b/tests/ui/issues/issue-53498.same_name.stderr @@ -0,0 +1,12 @@ +error[E0624]: associated function `foo` is private + --> $DIR/issue-53498.rs:21:27 + | +LL | fn foo() {} + | -------- private associated function defined here +... +LL | test::Foo::::foo(); + | ^^^ private associated function + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0624`. From 7d151fa3b015ad1dbac18933c58db3413a964534 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Mon, 27 May 2024 15:51:21 +0000 Subject: [PATCH 0960/1716] Turn a delayed bug back into a normal bug by winnowing private method candidates instead of assuming any candidate of the right name will apply. --- .../rustc_hir_typeck/src/fn_ctxt/_impl.rs | 4 +-- compiler/rustc_hir_typeck/src/method/probe.rs | 28 ++++++++++++++----- .../issues/issue-53498.different_name.stderr | 13 +++++---- tests/ui/issues/issue-53498.rs | 2 +- 4 files changed, 32 insertions(+), 15 deletions(-) diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs index 5f73b3b618f5..4bd73dc6c942 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs @@ -1072,7 +1072,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ty::ImplContainer => { if segments.len() == 1 { // `::assoc` will end up here, and so - // can `T::assoc`. It this came from an + // can `T::assoc`. If this came from an // inherent impl, we need to record the // `T` for posterity (see `UserSelfTy` for // details). @@ -1416,7 +1416,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ) { Ok(ok) => self.register_infer_ok_obligations(ok), Err(_) => { - self.dcx().span_delayed_bug( + self.dcx().span_bug( span, format!( "instantiate_value_path: (UFCS) {self_ty:?} was a subtype of {impl_ty:?} but now is not?", diff --git a/compiler/rustc_hir_typeck/src/method/probe.rs b/compiler/rustc_hir_typeck/src/method/probe.rs index 12ced49f92ff..ab0f16bd87d0 100644 --- a/compiler/rustc_hir_typeck/src/method/probe.rs +++ b/compiler/rustc_hir_typeck/src/method/probe.rs @@ -41,6 +41,7 @@ use rustc_trait_selection::traits::query::method_autoderef::{ use rustc_trait_selection::traits::query::CanonicalTyGoal; use rustc_trait_selection::traits::ObligationCtxt; use rustc_trait_selection::traits::{self, ObligationCause}; +use std::cell::Cell; use std::cell::RefCell; use std::cmp::max; use std::iter; @@ -76,8 +77,12 @@ pub(crate) struct ProbeContext<'a, 'tcx> { /// requested name (by edit distance) allow_similar_names: bool, + /// List of potential private candidates. Will be trimmed to ones that + /// actually apply and then the result inserted into `private_candidate` + private_candidates: Vec>, + /// Some(candidate) if there is a private candidate - private_candidate: Option<(DefKind, DefId)>, + private_candidate: Cell>, /// Collects near misses when the candidate functions are missing a `self` keyword and is only /// used for error reporting @@ -581,7 +586,8 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { orig_steps_var_values, steps, allow_similar_names: false, - private_candidate: None, + private_candidates: Vec::new(), + private_candidate: Cell::new(None), static_candidates: RefCell::new(Vec::new()), unsatisfied_predicates: RefCell::new(Vec::new()), scope_expr_id, @@ -593,7 +599,8 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { self.inherent_candidates.clear(); self.extension_candidates.clear(); self.impl_dups.clear(); - self.private_candidate = None; + self.private_candidates.clear(); + self.private_candidate.set(None); self.static_candidates.borrow_mut().clear(); self.unsatisfied_predicates.borrow_mut().clear(); } @@ -617,9 +624,8 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { } else { self.extension_candidates.push(candidate); } - } else if self.private_candidate.is_none() { - self.private_candidate = - Some((candidate.item.kind.as_def_kind(), candidate.item.def_id)); + } else { + self.private_candidates.push(candidate); } } @@ -1171,7 +1177,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { let mut possibly_unsatisfied_predicates = Vec::new(); for (kind, candidates) in - &[("inherent", &self.inherent_candidates), ("extension", &self.extension_candidates)] + [("inherent", &self.inherent_candidates), ("extension", &self.extension_candidates)] { debug!("searching {} candidates", kind); let res = self.consider_candidates( @@ -1185,6 +1191,14 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { } } + if self.private_candidate.get().is_none() { + if let Some(Ok(pick)) = + self.consider_candidates(self_ty, &self.private_candidates, &mut vec![], None) + { + self.private_candidate.set(Some((pick.item.kind.as_def_kind(), pick.item.def_id))); + } + } + // `pick_method` may be called twice for the same self_ty if no stable methods // match. Only extend once. if unstable_candidates.is_some() { diff --git a/tests/ui/issues/issue-53498.different_name.stderr b/tests/ui/issues/issue-53498.different_name.stderr index 45ee858ac921..fc765f2e75d3 100644 --- a/tests/ui/issues/issue-53498.different_name.stderr +++ b/tests/ui/issues/issue-53498.different_name.stderr @@ -1,12 +1,15 @@ -error[E0624]: associated function `foo` is private +error[E0599]: no function or associated item named `foo` found for struct `Foo` in the current scope --> $DIR/issue-53498.rs:21:27 | -LL | fn foo() {} - | -------- private associated function defined here +LL | pub struct Foo(T); + | ----------------- function or associated item `foo` not found for this struct ... LL | test::Foo::::foo(); - | ^^^ private associated function + | ^^^ function or associated item not found in `Foo` + | + = note: the function or associated item was found for + - `Foo` error: aborting due to 1 previous error -For more information about this error, try `rustc --explain E0624`. +For more information about this error, try `rustc --explain E0599`. diff --git a/tests/ui/issues/issue-53498.rs b/tests/ui/issues/issue-53498.rs index 816d3f9e448f..64eb3a0c5fd4 100644 --- a/tests/ui/issues/issue-53498.rs +++ b/tests/ui/issues/issue-53498.rs @@ -20,5 +20,5 @@ pub mod test { fn main() { test::Foo::::foo(); //[same_name]~^ ERROR associated function `foo` is private - //[different_name]~^^ ERROR associated function `foo` is private + //[different_name]~^^ ERROR no function or associated item named `foo` found for struct `Foo` } From 7894a1148371e4d0fa665c183615a76f9e2ec656 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Tue, 28 May 2024 09:26:40 +0000 Subject: [PATCH 0961/1716] Move tests to a more appropriate directory --- src/tools/tidy/src/ui_tests.rs | 2 +- tests/ui/{issues => privacy}/issue-53498.different_name.stderr | 0 tests/ui/{issues => privacy}/issue-53498.rs | 0 tests/ui/{issues => privacy}/issue-53498.same_name.stderr | 0 4 files changed, 1 insertion(+), 1 deletion(-) rename tests/ui/{issues => privacy}/issue-53498.different_name.stderr (100%) rename tests/ui/{issues => privacy}/issue-53498.rs (100%) rename tests/ui/{issues => privacy}/issue-53498.same_name.stderr (100%) diff --git a/src/tools/tidy/src/ui_tests.rs b/src/tools/tidy/src/ui_tests.rs index 37ce335c9a3d..f2eeda339d80 100644 --- a/src/tools/tidy/src/ui_tests.rs +++ b/src/tools/tidy/src/ui_tests.rs @@ -15,7 +15,7 @@ use std::path::{Path, PathBuf}; const ENTRY_LIMIT: u32 = 900; // FIXME: The following limits should be reduced eventually. -const ISSUES_ENTRY_LIMIT: u32 = 1675; +const ISSUES_ENTRY_LIMIT: u32 = 1672; const EXPECTED_TEST_FILE_EXTENSIONS: &[&str] = &[ "rs", // test source files diff --git a/tests/ui/issues/issue-53498.different_name.stderr b/tests/ui/privacy/issue-53498.different_name.stderr similarity index 100% rename from tests/ui/issues/issue-53498.different_name.stderr rename to tests/ui/privacy/issue-53498.different_name.stderr diff --git a/tests/ui/issues/issue-53498.rs b/tests/ui/privacy/issue-53498.rs similarity index 100% rename from tests/ui/issues/issue-53498.rs rename to tests/ui/privacy/issue-53498.rs diff --git a/tests/ui/issues/issue-53498.same_name.stderr b/tests/ui/privacy/issue-53498.same_name.stderr similarity index 100% rename from tests/ui/issues/issue-53498.same_name.stderr rename to tests/ui/privacy/issue-53498.same_name.stderr From 81895065bb541b9e79f402d2446c1c83243b37d0 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Tue, 28 May 2024 09:32:53 +0000 Subject: [PATCH 0962/1716] Give test a more useful name --- src/tools/tidy/src/issues.txt | 1 - ...ferent_name.stderr => ufc-method-call.different_name.stderr} | 2 +- tests/ui/privacy/{issue-53498.rs => ufc-method-call.rs} | 0 ...-53498.same_name.stderr => ufc-method-call.same_name.stderr} | 2 +- 4 files changed, 2 insertions(+), 3 deletions(-) rename tests/ui/privacy/{issue-53498.different_name.stderr => ufc-method-call.different_name.stderr} (93%) rename tests/ui/privacy/{issue-53498.rs => ufc-method-call.rs} (100%) rename tests/ui/privacy/{issue-53498.same_name.stderr => ufc-method-call.same_name.stderr} (90%) diff --git a/src/tools/tidy/src/issues.txt b/src/tools/tidy/src/issues.txt index 398a6fd0fbaa..a6ba8959f0c5 100644 --- a/src/tools/tidy/src/issues.txt +++ b/src/tools/tidy/src/issues.txt @@ -2445,7 +2445,6 @@ ui/issues/issue-53300.rs ui/issues/issue-53333.rs ui/issues/issue-53348.rs ui/issues/issue-53419.rs -ui/issues/issue-53498.rs ui/issues/issue-53568.rs ui/issues/issue-5358-1.rs ui/issues/issue-53728.rs diff --git a/tests/ui/privacy/issue-53498.different_name.stderr b/tests/ui/privacy/ufc-method-call.different_name.stderr similarity index 93% rename from tests/ui/privacy/issue-53498.different_name.stderr rename to tests/ui/privacy/ufc-method-call.different_name.stderr index fc765f2e75d3..80321b1c11cb 100644 --- a/tests/ui/privacy/issue-53498.different_name.stderr +++ b/tests/ui/privacy/ufc-method-call.different_name.stderr @@ -1,5 +1,5 @@ error[E0599]: no function or associated item named `foo` found for struct `Foo` in the current scope - --> $DIR/issue-53498.rs:21:27 + --> $DIR/ufc-method-call.rs:21:27 | LL | pub struct Foo(T); | ----------------- function or associated item `foo` not found for this struct diff --git a/tests/ui/privacy/issue-53498.rs b/tests/ui/privacy/ufc-method-call.rs similarity index 100% rename from tests/ui/privacy/issue-53498.rs rename to tests/ui/privacy/ufc-method-call.rs diff --git a/tests/ui/privacy/issue-53498.same_name.stderr b/tests/ui/privacy/ufc-method-call.same_name.stderr similarity index 90% rename from tests/ui/privacy/issue-53498.same_name.stderr rename to tests/ui/privacy/ufc-method-call.same_name.stderr index 45ee858ac921..c66ae0a6b252 100644 --- a/tests/ui/privacy/issue-53498.same_name.stderr +++ b/tests/ui/privacy/ufc-method-call.same_name.stderr @@ -1,5 +1,5 @@ error[E0624]: associated function `foo` is private - --> $DIR/issue-53498.rs:21:27 + --> $DIR/ufc-method-call.rs:21:27 | LL | fn foo() {} | -------- private associated function defined here From ffb1b2c14809ae5d15a078a9cce5299865d7dd73 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Tue, 28 May 2024 09:34:16 +0000 Subject: [PATCH 0963/1716] Add test description --- tests/ui/privacy/ufc-method-call.different_name.stderr | 2 +- tests/ui/privacy/ufc-method-call.rs | 6 ++++++ tests/ui/privacy/ufc-method-call.same_name.stderr | 2 +- 3 files changed, 8 insertions(+), 2 deletions(-) diff --git a/tests/ui/privacy/ufc-method-call.different_name.stderr b/tests/ui/privacy/ufc-method-call.different_name.stderr index 80321b1c11cb..16496c480dd1 100644 --- a/tests/ui/privacy/ufc-method-call.different_name.stderr +++ b/tests/ui/privacy/ufc-method-call.different_name.stderr @@ -1,5 +1,5 @@ error[E0599]: no function or associated item named `foo` found for struct `Foo` in the current scope - --> $DIR/ufc-method-call.rs:21:27 + --> $DIR/ufc-method-call.rs:27:27 | LL | pub struct Foo(T); | ----------------- function or associated item `foo` not found for this struct diff --git a/tests/ui/privacy/ufc-method-call.rs b/tests/ui/privacy/ufc-method-call.rs index 64eb3a0c5fd4..525d9a9eee90 100644 --- a/tests/ui/privacy/ufc-method-call.rs +++ b/tests/ui/privacy/ufc-method-call.rs @@ -1,3 +1,9 @@ +//! This test used to report that the method call cannot +//! call the private method `Foo::foo`, even though the user +//! explicitly selected `Foo::foo`. This is because we only +//! looked for methods of the right name, without properly checking +//! the `Self` type + //@ revisions: same_name different_name pub mod test { diff --git a/tests/ui/privacy/ufc-method-call.same_name.stderr b/tests/ui/privacy/ufc-method-call.same_name.stderr index c66ae0a6b252..194ba42cbf98 100644 --- a/tests/ui/privacy/ufc-method-call.same_name.stderr +++ b/tests/ui/privacy/ufc-method-call.same_name.stderr @@ -1,5 +1,5 @@ error[E0624]: associated function `foo` is private - --> $DIR/ufc-method-call.rs:21:27 + --> $DIR/ufc-method-call.rs:27:27 | LL | fn foo() {} | -------- private associated function defined here From 2bad3d13926f5de344bb85ec58de6abf5e5d3475 Mon Sep 17 00:00:00 2001 From: Andrei Damian Date: Tue, 4 Jun 2024 18:49:13 +0300 Subject: [PATCH 0964/1716] Make deleting on LinkedList aware of the allocator --- library/alloc/src/collections/linked_list.rs | 4 +- .../src/collections/linked_list/tests.rs | 39 +++++++++++++++++++ 2 files changed, 41 insertions(+), 2 deletions(-) diff --git a/library/alloc/src/collections/linked_list.rs b/library/alloc/src/collections/linked_list.rs index 1c90c171a155..01510a614051 100644 --- a/library/alloc/src/collections/linked_list.rs +++ b/library/alloc/src/collections/linked_list.rs @@ -1705,7 +1705,7 @@ impl<'a, T, A: Allocator> CursorMut<'a, T, A> { unsafe { self.current = unlinked_node.as_ref().next; self.list.unlink_node(unlinked_node); - let unlinked_node = Box::from_raw(unlinked_node.as_ptr()); + let unlinked_node = Box::from_raw_in(unlinked_node.as_ptr(), &self.list.alloc); Some(unlinked_node.element) } } @@ -1946,7 +1946,7 @@ where if (self.pred)(&mut node.as_mut().element) { // `unlink_node` is okay with aliasing `element` references. self.list.unlink_node(node); - return Some(Box::from_raw(node.as_ptr()).element); + return Some(Box::from_raw_in(node.as_ptr(), &self.list.alloc).element); } } } diff --git a/library/alloc/src/collections/linked_list/tests.rs b/library/alloc/src/collections/linked_list/tests.rs index 8dcd59d12d92..d3744c5a9d0c 100644 --- a/library/alloc/src/collections/linked_list/tests.rs +++ b/library/alloc/src/collections/linked_list/tests.rs @@ -1164,3 +1164,42 @@ fn test_drop_panic() { assert_eq!(unsafe { DROPS }, 8); } + +#[test] +fn test_allocator() { + use core::alloc::AllocError; + use core::alloc::Allocator; + use core::alloc::Layout; + use core::cell::Cell; + + struct A { + has_allocated: Cell, + has_deallocated: Cell, + } + + unsafe impl Allocator for A { + fn allocate(&self, layout: Layout) -> Result, AllocError> { + assert!(!self.has_allocated.get()); + self.has_allocated.set(true); + + Global.allocate(layout) + } + + unsafe fn deallocate(&self, ptr: NonNull, layout: Layout) { + assert!(!self.has_deallocated.get()); + self.has_deallocated.set(true); + + unsafe { Global.deallocate(ptr, layout) } + } + } + + let alloc = &A { has_allocated: Cell::new(false), has_deallocated: Cell::new(false) }; + { + let mut list = LinkedList::new_in(alloc); + list.push_back(5u32); + list.remove(0); + } + + assert!(alloc.has_allocated.get()); + assert!(alloc.has_deallocated.get()); +} From 874670399c43c58a6e21d46662979fb4fb8a0b8d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Le=C3=B3n=20Orell=20Valerian=20Liehr?= Date: Sat, 1 Jun 2024 23:44:59 +0200 Subject: [PATCH 0965/1716] Orphanck: Consider opaque types to never cover type parameters --- .../src/traits/coherence.rs | 59 ++++++++----------- ...k-opaque-types-not-covering.classic.stderr | 21 +++++++ ...heck-opaque-types-not-covering.next.stderr | 21 +++++++ .../orphan-check-opaque-types-not-covering.rs | 31 ++++++++++ ...erence.stderr => coherence.classic.stderr} | 2 +- .../coherence.next.stderr | 14 +++++ tests/ui/type-alias-impl-trait/coherence.rs | 2 + 7 files changed, 114 insertions(+), 36 deletions(-) create mode 100644 tests/ui/coherence/orphan-check-opaque-types-not-covering.classic.stderr create mode 100644 tests/ui/coherence/orphan-check-opaque-types-not-covering.next.stderr create mode 100644 tests/ui/coherence/orphan-check-opaque-types-not-covering.rs rename tests/ui/type-alias-impl-trait/{coherence.stderr => coherence.classic.stderr} (95%) create mode 100644 tests/ui/type-alias-impl-trait/coherence.next.stderr diff --git a/compiler/rustc_trait_selection/src/traits/coherence.rs b/compiler/rustc_trait_selection/src/traits/coherence.rs index ebdb032dc0e2..c81f5ac6e6ef 100644 --- a/compiler/rustc_trait_selection/src/traits/coherence.rs +++ b/compiler/rustc_trait_selection/src/traits/coherence.rs @@ -924,11 +924,12 @@ where } } - ty::Alias(kind @ (ty::Projection | ty::Inherent | ty::Weak), ..) => { - if ty.has_type_flags(ty::TypeFlags::HAS_TY_PARAM) { - bug!("unexpected ty param in alias ty"); - } - + // A rigid alias may normalize to anything. + // * If it references an infer var, placeholder or bound ty, it may + // normalize to that, so we have to treat it as an uncovered ty param. + // * Otherwise it may normalize to any non-type-generic type + // be it local or non-local. + ty::Alias(kind, _) => { if ty.has_type_flags( ty::TypeFlags::HAS_TY_PLACEHOLDER | ty::TypeFlags::HAS_TY_BOUND @@ -948,7 +949,24 @@ where } } } else { - ControlFlow::Continue(()) + // Regarding *opaque types* specifically, we choose to treat them as non-local, + // even those that appear within the same crate. This seems somewhat surprising + // at first, but makes sense when you consider that opaque types are supposed + // to hide the underlying type *within the same crate*. When an opaque type is + // used from outside the module where it is declared, it should be impossible to + // observe anything about it other than the traits that it implements. + // + // The alternative would be to look at the underlying type to determine whether + // or not the opaque type itself should be considered local. + // + // However, this could make it a breaking change to switch the underlying hidden + // type from a local type to a remote type. This would violate the rule that + // opaque types should be completely opaque apart from the traits that they + // implement, so we don't use this behavior. + // Addendum: Moreover, revealing the underlying type is likely to cause cycle + // errors as we rely on coherence / the specialization graph during typeck. + + self.found_non_local_ty(ty) } } @@ -990,35 +1008,6 @@ where // auto trait impl applies. There will never be multiple impls, so we can just // act as if it were a local type here. ty::CoroutineWitness(..) => ControlFlow::Break(OrphanCheckEarlyExit::LocalTy(ty)), - ty::Alias(ty::Opaque, ..) => { - // This merits some explanation. - // Normally, opaque types are not involved when performing - // coherence checking, since it is illegal to directly - // implement a trait on an opaque type. However, we might - // end up looking at an opaque type during coherence checking - // if an opaque type gets used within another type (e.g. as - // the type of a field) when checking for auto trait or `Sized` - // impls. This requires us to decide whether or not an opaque - // type should be considered 'local' or not. - // - // We choose to treat all opaque types as non-local, even - // those that appear within the same crate. This seems - // somewhat surprising at first, but makes sense when - // you consider that opaque types are supposed to hide - // the underlying type *within the same crate*. When an - // opaque type is used from outside the module - // where it is declared, it should be impossible to observe - // anything about it other than the traits that it implements. - // - // The alternative would be to look at the underlying type - // to determine whether or not the opaque type itself should - // be considered local. However, this could make it a breaking change - // to switch the underlying ('defining') type from a local type - // to a remote type. This would violate the rule that opaque - // types should be completely opaque apart from the traits - // that they implement, so we don't use this behavior. - self.found_non_local_ty(ty) - } }; // A bit of a hack, the `OrphanChecker` is only used to visit a `TraitRef`, so // the first type we visit is always the self type. diff --git a/tests/ui/coherence/orphan-check-opaque-types-not-covering.classic.stderr b/tests/ui/coherence/orphan-check-opaque-types-not-covering.classic.stderr new file mode 100644 index 000000000000..44f76f321cf1 --- /dev/null +++ b/tests/ui/coherence/orphan-check-opaque-types-not-covering.classic.stderr @@ -0,0 +1,21 @@ +error[E0210]: type parameter `T` must be covered by another type when it appears before the first local type (`Local`) + --> $DIR/orphan-check-opaque-types-not-covering.rs:17:6 + | +LL | impl foreign::Trait0 for Identity {} + | ^ type parameter `T` must be covered by another type when it appears before the first local type (`Local`) + | + = note: implementing a foreign trait is only possible if at least one of the types for which it is implemented is local, and no uncovered type parameters appear before that first local type + = note: in this case, 'before' refers to the following order: `impl<..> ForeignTrait for T0`, where `T0` is the first and `Tn` is the last + +error[E0210]: type parameter `T` must be covered by another type when it appears before the first local type (`Local`) + --> $DIR/orphan-check-opaque-types-not-covering.rs:26:6 + | +LL | impl foreign::Trait1 for Opaque {} + | ^ type parameter `T` must be covered by another type when it appears before the first local type (`Local`) + | + = note: implementing a foreign trait is only possible if at least one of the types for which it is implemented is local, and no uncovered type parameters appear before that first local type + = note: in this case, 'before' refers to the following order: `impl<..> ForeignTrait for T0`, where `T0` is the first and `Tn` is the last + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0210`. diff --git a/tests/ui/coherence/orphan-check-opaque-types-not-covering.next.stderr b/tests/ui/coherence/orphan-check-opaque-types-not-covering.next.stderr new file mode 100644 index 000000000000..44f76f321cf1 --- /dev/null +++ b/tests/ui/coherence/orphan-check-opaque-types-not-covering.next.stderr @@ -0,0 +1,21 @@ +error[E0210]: type parameter `T` must be covered by another type when it appears before the first local type (`Local`) + --> $DIR/orphan-check-opaque-types-not-covering.rs:17:6 + | +LL | impl foreign::Trait0 for Identity {} + | ^ type parameter `T` must be covered by another type when it appears before the first local type (`Local`) + | + = note: implementing a foreign trait is only possible if at least one of the types for which it is implemented is local, and no uncovered type parameters appear before that first local type + = note: in this case, 'before' refers to the following order: `impl<..> ForeignTrait for T0`, where `T0` is the first and `Tn` is the last + +error[E0210]: type parameter `T` must be covered by another type when it appears before the first local type (`Local`) + --> $DIR/orphan-check-opaque-types-not-covering.rs:26:6 + | +LL | impl foreign::Trait1 for Opaque {} + | ^ type parameter `T` must be covered by another type when it appears before the first local type (`Local`) + | + = note: implementing a foreign trait is only possible if at least one of the types for which it is implemented is local, and no uncovered type parameters appear before that first local type + = note: in this case, 'before' refers to the following order: `impl<..> ForeignTrait for T0`, where `T0` is the first and `Tn` is the last + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0210`. diff --git a/tests/ui/coherence/orphan-check-opaque-types-not-covering.rs b/tests/ui/coherence/orphan-check-opaque-types-not-covering.rs new file mode 100644 index 000000000000..8dc02b081c51 --- /dev/null +++ b/tests/ui/coherence/orphan-check-opaque-types-not-covering.rs @@ -0,0 +1,31 @@ +// Opaque types never cover type parameters. + +//@ revisions: classic next +//@[next] compile-flags: -Znext-solver + +//@ aux-crate:foreign=parametrized-trait.rs +//@ edition:2021 + +#![feature(type_alias_impl_trait)] + +type Identity = impl Sized; + +fn define_identity(x: T) -> Identity { + x +} + +impl foreign::Trait0 for Identity {} +//~^ ERROR type parameter `T` must be covered by another type + +type Opaque = impl Sized; + +fn define_local() -> Opaque { + Local +} + +impl foreign::Trait1 for Opaque {} +//~^ ERROR type parameter `T` must be covered by another type + +struct Local; + +fn main() {} diff --git a/tests/ui/type-alias-impl-trait/coherence.stderr b/tests/ui/type-alias-impl-trait/coherence.classic.stderr similarity index 95% rename from tests/ui/type-alias-impl-trait/coherence.stderr rename to tests/ui/type-alias-impl-trait/coherence.classic.stderr index 266a532a1db1..ff059bc5806d 100644 --- a/tests/ui/type-alias-impl-trait/coherence.stderr +++ b/tests/ui/type-alias-impl-trait/coherence.classic.stderr @@ -1,5 +1,5 @@ error[E0117]: only traits defined in the current crate can be implemented for arbitrary types - --> $DIR/coherence.rs:14:1 + --> $DIR/coherence.rs:16:1 | LL | impl foreign_crate::ForeignTrait for AliasOfForeignType<()> {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---------------------- diff --git a/tests/ui/type-alias-impl-trait/coherence.next.stderr b/tests/ui/type-alias-impl-trait/coherence.next.stderr new file mode 100644 index 000000000000..dab2786c1f0f --- /dev/null +++ b/tests/ui/type-alias-impl-trait/coherence.next.stderr @@ -0,0 +1,14 @@ +error[E0117]: only traits defined in the current crate can be implemented for arbitrary types + --> $DIR/coherence.rs:16:1 + | +LL | impl foreign_crate::ForeignTrait for AliasOfForeignType<()> {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---------------------- + | | | + | | `AliasOfForeignType<()>` is not defined in the current crate + | impl doesn't use only types from inside the current crate + | + = note: define and implement a trait or new type instead + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0117`. diff --git a/tests/ui/type-alias-impl-trait/coherence.rs b/tests/ui/type-alias-impl-trait/coherence.rs index 641c0fac17a6..760e5210c5b7 100644 --- a/tests/ui/type-alias-impl-trait/coherence.rs +++ b/tests/ui/type-alias-impl-trait/coherence.rs @@ -1,4 +1,6 @@ //@ aux-build:foreign-crate.rs +//@ revisions: classic next +//@[next] compile-flags: -Znext-solver #![feature(type_alias_impl_trait)] extern crate foreign_crate; From 68b0b86c5b703f11e4fa139cf60c9addb30dacb0 Mon Sep 17 00:00:00 2001 From: Santiago Pastorino Date: Wed, 24 Apr 2024 18:53:56 -0300 Subject: [PATCH 0966/1716] Add unsafe extern blocks failing tests --- .../rust-2024/unsafe-extern-blocks/extern-items.rs | 12 ++++++++++++ .../unsafe-extern-blocks/extern-items.stderr | 8 ++++++++ 2 files changed, 20 insertions(+) create mode 100644 tests/ui/rust-2024/unsafe-extern-blocks/extern-items.rs create mode 100644 tests/ui/rust-2024/unsafe-extern-blocks/extern-items.stderr diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.rs b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.rs new file mode 100644 index 000000000000..de5947fc07b0 --- /dev/null +++ b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.rs @@ -0,0 +1,12 @@ +extern "C" { + static TEST1: i32; + fn test1(i: i32); +} + +unsafe extern "C" { + //~^ ERROR: extern block cannot be declared unsafe + static TEST2: i32; + fn test2(i: i32); +} + +fn main() {} diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.stderr b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.stderr new file mode 100644 index 000000000000..d9585ed3db66 --- /dev/null +++ b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.stderr @@ -0,0 +1,8 @@ +error: extern block cannot be declared unsafe + --> $DIR/extern-items.rs:6:1 + | +LL | unsafe extern "C" { + | ^^^^^^ + +error: aborting due to 1 previous error + From 6d670b74e59de5e2f12e0d19b46b7939e4cd4a31 Mon Sep 17 00:00:00 2001 From: Santiago Pastorino Date: Wed, 24 Apr 2024 19:10:14 -0300 Subject: [PATCH 0967/1716] Allow unsafe extern on all editions --- compiler/rustc_ast_passes/src/ast_validation.rs | 5 +---- tests/ui/parser/unsafe-foreign-mod-2.rs | 5 ++--- tests/ui/parser/unsafe-foreign-mod-2.stderr | 12 +++--------- tests/ui/parser/unsafe-foreign-mod.rs | 6 +++--- tests/ui/parser/unsafe-foreign-mod.stderr | 8 -------- .../rust-2024/unsafe-extern-blocks/extern-items.rs | 3 ++- .../unsafe-extern-blocks/extern-items.stderr | 8 -------- 7 files changed, 11 insertions(+), 36 deletions(-) delete mode 100644 tests/ui/parser/unsafe-foreign-mod.stderr delete mode 100644 tests/ui/rust-2024/unsafe-extern-blocks/extern-items.stderr diff --git a/compiler/rustc_ast_passes/src/ast_validation.rs b/compiler/rustc_ast_passes/src/ast_validation.rs index 435b0b6a9565..c0011fd9c45e 100644 --- a/compiler/rustc_ast_passes/src/ast_validation.rs +++ b/compiler/rustc_ast_passes/src/ast_validation.rs @@ -1016,15 +1016,12 @@ impl<'a> Visitor<'a> for AstValidator<'a> { walk_list!(self, visit_attribute, &item.attrs); return; // Avoid visiting again. } - ItemKind::ForeignMod(ForeignMod { abi, safety, .. }) => { + ItemKind::ForeignMod(ForeignMod { abi, .. }) => { let old_item = mem::replace(&mut self.extern_mod, Some(item)); self.visibility_not_permitted( &item.vis, errors::VisibilityNotPermittedNote::IndividualForeignItems, ); - if let &Safety::Unsafe(span) = safety { - self.dcx().emit_err(errors::UnsafeItem { span, kind: "extern block" }); - } if abi.is_none() { self.maybe_lint_missing_abi(item.span, item.id); } diff --git a/tests/ui/parser/unsafe-foreign-mod-2.rs b/tests/ui/parser/unsafe-foreign-mod-2.rs index 77856fb67340..c0994090eff4 100644 --- a/tests/ui/parser/unsafe-foreign-mod-2.rs +++ b/tests/ui/parser/unsafe-foreign-mod-2.rs @@ -1,8 +1,7 @@ extern "C" unsafe { - //~^ ERROR expected `{`, found keyword `unsafe` - //~| ERROR extern block cannot be declared unsafe + //~^ ERROR expected `{`, found keyword `unsafe` unsafe fn foo(); - //~^ ERROR functions in `extern` blocks cannot have qualifiers + //~^ ERROR functions in `extern` blocks cannot have qualifiers } fn main() {} diff --git a/tests/ui/parser/unsafe-foreign-mod-2.stderr b/tests/ui/parser/unsafe-foreign-mod-2.stderr index fc05184f018f..620d042540ec 100644 --- a/tests/ui/parser/unsafe-foreign-mod-2.stderr +++ b/tests/ui/parser/unsafe-foreign-mod-2.stderr @@ -4,20 +4,14 @@ error: expected `{`, found keyword `unsafe` LL | extern "C" unsafe { | ^^^^^^ expected `{` -error: extern block cannot be declared unsafe - --> $DIR/unsafe-foreign-mod-2.rs:1:12 - | -LL | extern "C" unsafe { - | ^^^^^^ - error: functions in `extern` blocks cannot have qualifiers - --> $DIR/unsafe-foreign-mod-2.rs:4:5 + --> $DIR/unsafe-foreign-mod-2.rs:3:5 | LL | extern "C" unsafe { | ----------------- in this `extern` block -... +LL | LL | unsafe fn foo(); | ^^^^^^ help: remove this qualifier -error: aborting due to 3 previous errors +error: aborting due to 2 previous errors diff --git a/tests/ui/parser/unsafe-foreign-mod.rs b/tests/ui/parser/unsafe-foreign-mod.rs index eab134a4a4de..26015a3c4445 100644 --- a/tests/ui/parser/unsafe-foreign-mod.rs +++ b/tests/ui/parser/unsafe-foreign-mod.rs @@ -1,5 +1,5 @@ -unsafe extern "C" { - //~^ ERROR extern block cannot be declared unsafe -} +//@ build-pass + +unsafe extern "C" {} fn main() {} diff --git a/tests/ui/parser/unsafe-foreign-mod.stderr b/tests/ui/parser/unsafe-foreign-mod.stderr deleted file mode 100644 index 77f6e93be10b..000000000000 --- a/tests/ui/parser/unsafe-foreign-mod.stderr +++ /dev/null @@ -1,8 +0,0 @@ -error: extern block cannot be declared unsafe - --> $DIR/unsafe-foreign-mod.rs:1:1 - | -LL | unsafe extern "C" { - | ^^^^^^ - -error: aborting due to 1 previous error - diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.rs b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.rs index de5947fc07b0..fd2cd29fd748 100644 --- a/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.rs +++ b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.rs @@ -1,10 +1,11 @@ +//@ build-pass + extern "C" { static TEST1: i32; fn test1(i: i32); } unsafe extern "C" { - //~^ ERROR: extern block cannot be declared unsafe static TEST2: i32; fn test2(i: i32); } diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.stderr b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.stderr deleted file mode 100644 index d9585ed3db66..000000000000 --- a/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.stderr +++ /dev/null @@ -1,8 +0,0 @@ -error: extern block cannot be declared unsafe - --> $DIR/extern-items.rs:6:1 - | -LL | unsafe extern "C" { - | ^^^^^^ - -error: aborting due to 1 previous error - From 46cd80b691f0e127076b6dcd1bf9285c3e608d4a Mon Sep 17 00:00:00 2001 From: Santiago Pastorino Date: Thu, 25 Apr 2024 16:14:22 -0300 Subject: [PATCH 0968/1716] Test that unsafe extern defines unsafe fns --- .../extern-items-unsafe.edition2021.stderr | 11 ++++++++++ .../extern-items-unsafe.edition2024.stderr | 11 ++++++++++ .../extern-items-unsafe.rs | 21 +++++++++++++++++++ 3 files changed, 43 insertions(+) create mode 100644 tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.edition2021.stderr create mode 100644 tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.edition2024.stderr create mode 100644 tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.rs diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.edition2021.stderr b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.edition2021.stderr new file mode 100644 index 000000000000..a94f8d742360 --- /dev/null +++ b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.edition2021.stderr @@ -0,0 +1,11 @@ +error[E0133]: call to unsafe function `test1` is unsafe and requires unsafe function or block + --> $DIR/extern-items-unsafe.rs:11:5 + | +LL | test1(i); + | ^^^^^^^^ call to unsafe function + | + = note: consult the function's documentation for information on how to avoid undefined behavior + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0133`. diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.edition2024.stderr b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.edition2024.stderr new file mode 100644 index 000000000000..c187dac1152b --- /dev/null +++ b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.edition2024.stderr @@ -0,0 +1,11 @@ +error[E0133]: call to unsafe function `test1` is unsafe and requires unsafe block + --> $DIR/extern-items-unsafe.rs:11:5 + | +LL | test1(i); + | ^^^^^^^^ call to unsafe function + | + = note: consult the function's documentation for information on how to avoid undefined behavior + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0133`. diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.rs b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.rs new file mode 100644 index 000000000000..70f3c0afe7c9 --- /dev/null +++ b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.rs @@ -0,0 +1,21 @@ +//@ revisions: edition2021 edition2024 +//@[edition2021] edition:2021 +//@[edition2024] edition:2024 +//@[edition2024] compile-flags: -Zunstable-options + +unsafe extern "C" { + fn test1(i: i32); +} + +fn test2(i: i32) { + test1(i); + //~^ ERROR: call to unsafe function `test1` is unsafe +} + +fn test3(i: i32) { + unsafe { + test1(i); + } +} + +fn main() {} From 3ba8de0b601ee1eaae710510ee8b0b8a9dbd78d8 Mon Sep 17 00:00:00 2001 From: Santiago Pastorino Date: Tue, 21 May 2024 12:27:21 -0300 Subject: [PATCH 0969/1716] Make extern blocks without unsafe warn in edition 2024 --- .../rustc_ast_passes/src/ast_validation.rs | 15 +++++++-- compiler/rustc_lint/messages.ftl | 2 ++ .../rustc_lint/src/context/diagnostics.rs | 3 ++ compiler/rustc_lint/src/lints.rs | 4 +++ compiler/rustc_lint_defs/src/builtin.rs | 31 +++++++++++++++++++ compiler/rustc_lint_defs/src/lib.rs | 1 + .../extern-items.edition2024.stderr | 14 +++++++++ .../unsafe-extern-blocks/extern-items.rs | 7 ++++- tests/ui/unpretty/expanded-exhaustive.rs | 4 +-- tests/ui/unpretty/expanded-exhaustive.stdout | 4 +-- 10 files changed, 78 insertions(+), 7 deletions(-) create mode 100644 tests/ui/rust-2024/unsafe-extern-blocks/extern-items.edition2024.stderr diff --git a/compiler/rustc_ast_passes/src/ast_validation.rs b/compiler/rustc_ast_passes/src/ast_validation.rs index c0011fd9c45e..7e1094da2029 100644 --- a/compiler/rustc_ast_passes/src/ast_validation.rs +++ b/compiler/rustc_ast_passes/src/ast_validation.rs @@ -15,7 +15,8 @@ use rustc_data_structures::fx::FxIndexMap; use rustc_feature::Features; use rustc_parse::validate_attr; use rustc_session::lint::builtin::{ - DEPRECATED_WHERE_CLAUSE_LOCATION, MISSING_ABI, PATTERNS_IN_FNS_WITHOUT_BODY, + DEPRECATED_WHERE_CLAUSE_LOCATION, MISSING_ABI, MISSING_UNSAFE_ON_EXTERN, + PATTERNS_IN_FNS_WITHOUT_BODY, }; use rustc_session::lint::{BuiltinLintDiag, LintBuffer}; use rustc_session::Session; @@ -1016,12 +1017,22 @@ impl<'a> Visitor<'a> for AstValidator<'a> { walk_list!(self, visit_attribute, &item.attrs); return; // Avoid visiting again. } - ItemKind::ForeignMod(ForeignMod { abi, .. }) => { + ItemKind::ForeignMod(ForeignMod { abi, safety, .. }) => { let old_item = mem::replace(&mut self.extern_mod, Some(item)); self.visibility_not_permitted( &item.vis, errors::VisibilityNotPermittedNote::IndividualForeignItems, ); + + if &Safety::Default == safety { + self.lint_buffer.buffer_lint( + MISSING_UNSAFE_ON_EXTERN, + item.id, + item.span, + BuiltinLintDiag::MissingUnsafeOnExtern, + ); + } + if abi.is_none() { self.maybe_lint_missing_abi(item.span, item.id); } diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index fb71cb601402..bb6ad7c945b2 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -462,6 +462,8 @@ lint_metavariable_wrong_operator = meta-variable repeats with different Kleene o lint_missing_fragment_specifier = missing fragment specifier +lint_missing_unsafe_on_extern = extern blocks should be unsafe + lint_mixed_script_confusables = the usage of Script Group `{$set}` in this crate consists solely of mixed script confusables .includes_note = the usage includes {$includes} diff --git a/compiler/rustc_lint/src/context/diagnostics.rs b/compiler/rustc_lint/src/context/diagnostics.rs index 26f34486a3de..f824e02dcf9d 100644 --- a/compiler/rustc_lint/src/context/diagnostics.rs +++ b/compiler/rustc_lint/src/context/diagnostics.rs @@ -205,6 +205,9 @@ pub(super) fn decorate_lint(sess: &Session, diagnostic: BuiltinLintDiag, diag: & }; lints::DeprecatedWhereClauseLocation { suggestion }.decorate_lint(diag); } + BuiltinLintDiag::MissingUnsafeOnExtern => { + lints::MissingUnsafeOnExtern.decorate_lint(diag); + } BuiltinLintDiag::SingleUseLifetime { param_span, use_span: Some((use_span, elide)), diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index 84d46ef3b65d..01b455c588ba 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -2738,6 +2738,10 @@ pub enum DeprecatedWhereClauseLocationSugg { }, } +#[derive(LintDiagnostic)] +#[diag(lint_missing_unsafe_on_extern)] +pub struct MissingUnsafeOnExtern; + #[derive(LintDiagnostic)] #[diag(lint_single_use_lifetime)] pub struct SingleUseLifetime { diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs index a3044489fdce..b4a34b1407da 100644 --- a/compiler/rustc_lint_defs/src/builtin.rs +++ b/compiler/rustc_lint_defs/src/builtin.rs @@ -66,6 +66,7 @@ declare_lint_pass! { META_VARIABLE_MISUSE, MISSING_ABI, MISSING_FRAGMENT_SPECIFIER, + MISSING_UNSAFE_ON_EXTERN, MUST_NOT_SUSPEND, NAMED_ARGUMENTS_USED_POSITIONALLY, NEVER_TYPE_FALLBACK_FLOWING_INTO_UNSAFE, @@ -4851,3 +4852,33 @@ declare_lint! { reference: "issue #27970 ", }; } + +declare_lint! { + /// The `missing_unsafe_on_extern` lint detects missing unsafe keyword on extern declarations. + /// + /// ### Example + /// + /// ```rust,edition2024 + /// extern "C" { + /// fn foo(_: i32); + /// } + /// + /// fn main() {} + /// ``` + /// + /// {{produces}} + /// + /// ### Explanation + /// + /// Declaring extern items, even without ever using them, can cause Undefined Behavior. We + /// should consider all sources of Undefined Behavior to be unsafe. + /// + /// This is a [future-incompatible] lint to transition this to a + /// hard error in the future. + /// + /// [future-incompatible]: ../index.md#future-incompatible-lints + pub MISSING_UNSAFE_ON_EXTERN, + Allow, + "detects missing unsafe keyword on extern declarations", + @edition Edition2024 => Warn; +} diff --git a/compiler/rustc_lint_defs/src/lib.rs b/compiler/rustc_lint_defs/src/lib.rs index c8a9fb02bf2e..0f13046923eb 100644 --- a/compiler/rustc_lint_defs/src/lib.rs +++ b/compiler/rustc_lint_defs/src/lib.rs @@ -630,6 +630,7 @@ pub enum BuiltinLintDiag { UnexpectedCfgName((Symbol, Span), Option<(Symbol, Span)>), UnexpectedCfgValue((Symbol, Span), Option<(Symbol, Span)>), DeprecatedWhereclauseLocation(Span, Option<(Span, String)>), + MissingUnsafeOnExtern, SingleUseLifetime { /// Span of the parameter which declares this lifetime. param_span: Span, diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.edition2024.stderr b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.edition2024.stderr new file mode 100644 index 000000000000..b19369c0a551 --- /dev/null +++ b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.edition2024.stderr @@ -0,0 +1,14 @@ +warning: extern blocks should be unsafe + --> $DIR/extern-items.rs:7:1 + | +LL | / extern "C" { +LL | | +LL | | static TEST1: i32; +LL | | fn test1(i: i32); +LL | | } + | |_^ + | + = note: `#[warn(missing_unsafe_on_extern)]` on by default + +warning: 1 warning emitted + diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.rs b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.rs index fd2cd29fd748..dfb851e276d4 100644 --- a/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.rs +++ b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.rs @@ -1,6 +1,11 @@ -//@ build-pass +//@ revisions: edition2021 edition2024 +//@[edition2021] edition:2021 +//@[edition2024] edition:2024 +//@[edition2024] compile-flags: -Zunstable-options +//@ check-pass extern "C" { + //[edition2024]~^ WARN extern blocks should be unsafe [missing_unsafe_on_extern] static TEST1: i32; fn test1(i: i32); } diff --git a/tests/ui/unpretty/expanded-exhaustive.rs b/tests/ui/unpretty/expanded-exhaustive.rs index 6aa032d7ed83..29472df897a1 100644 --- a/tests/ui/unpretty/expanded-exhaustive.rs +++ b/tests/ui/unpretty/expanded-exhaustive.rs @@ -473,8 +473,8 @@ mod items { /// ItemKind::ForeignMod mod item_foreign_mod { - extern "C++" {} - extern {} + unsafe extern "C++" {} + unsafe extern {} } /// ItemKind::GlobalAsm diff --git a/tests/ui/unpretty/expanded-exhaustive.stdout b/tests/ui/unpretty/expanded-exhaustive.stdout index 8737063bf3cc..0a09a3f6a423 100644 --- a/tests/ui/unpretty/expanded-exhaustive.stdout +++ b/tests/ui/unpretty/expanded-exhaustive.stdout @@ -451,8 +451,8 @@ mod items { mod item_mod { } /// ItemKind::ForeignMod mod item_foreign_mod { - extern "C++" {} - extern {} + unsafe extern "C++" {} + unsafe extern {} } /// ItemKind::GlobalAsm mod item_global_asm { From bbddc9b58f3b2fcf1b624c2d0cabd49461f94575 Mon Sep 17 00:00:00 2001 From: Santiago Pastorino Date: Fri, 26 Apr 2024 18:35:54 -0300 Subject: [PATCH 0970/1716] Allow using unsafe on functions inside extern blocks --- .../rustc_ast_passes/src/ast_validation.rs | 6 +----- tests/ui/parser/fn-header-semantic-fail.rs | 6 +++--- .../ui/parser/fn-header-semantic-fail.stderr | 20 +----------------- .../ui/parser/no-const-fn-in-extern-block.rs | 1 - .../parser/no-const-fn-in-extern-block.stderr | 11 +--------- tests/ui/parser/unsafe-foreign-mod-2.rs | 1 - tests/ui/parser/unsafe-foreign-mod-2.stderr | 11 +--------- .../unsafe-items.edition2021.stderr | 11 ++++++++++ .../unsafe-items.edition2024.stderr | 11 ++++++++++ .../unsafe-extern-blocks/unsafe-items.rs | 21 +++++++++++++++++++ 10 files changed, 50 insertions(+), 49 deletions(-) create mode 100644 tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.edition2021.stderr create mode 100644 tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.edition2024.stderr create mode 100644 tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.rs diff --git a/compiler/rustc_ast_passes/src/ast_validation.rs b/compiler/rustc_ast_passes/src/ast_validation.rs index 7e1094da2029..b405e8885611 100644 --- a/compiler/rustc_ast_passes/src/ast_validation.rs +++ b/compiler/rustc_ast_passes/src/ast_validation.rs @@ -519,7 +519,7 @@ impl<'a> AstValidator<'a> { fn check_foreign_fn_headerless( &self, // Deconstruct to ensure exhaustiveness - FnHeader { safety, coroutine_kind, constness, ext }: FnHeader, + FnHeader { safety: _, coroutine_kind, constness, ext }: FnHeader, ) { let report_err = |span| { self.dcx().emit_err(errors::FnQualifierInExtern { @@ -527,10 +527,6 @@ impl<'a> AstValidator<'a> { block: self.current_extern_span(), }); }; - match safety { - Safety::Unsafe(span) => report_err(span), - Safety::Default => (), - } match coroutine_kind { Some(knd) => report_err(knd.span()), None => (), diff --git a/tests/ui/parser/fn-header-semantic-fail.rs b/tests/ui/parser/fn-header-semantic-fail.rs index 6ed173b6854d..3b98433cdd82 100644 --- a/tests/ui/parser/fn-header-semantic-fail.rs +++ b/tests/ui/parser/fn-header-semantic-fail.rs @@ -44,11 +44,11 @@ fn main() { extern "C" { async fn fe1(); //~ ERROR functions in `extern` blocks cannot have qualifiers - unsafe fn fe2(); //~ ERROR functions in `extern` blocks cannot have qualifiers + unsafe fn fe2(); const fn fe3(); //~ ERROR functions in `extern` blocks cannot have qualifiers extern "C" fn fe4(); //~ ERROR functions in `extern` blocks cannot have qualifiers - const async unsafe extern "C" fn fe5(); //~ ERROR functions in `extern` blocks - //~| ERROR functions in `extern` blocks + const async unsafe extern "C" fn fe5(); + //~^ ERROR functions in `extern` blocks //~| ERROR functions in `extern` blocks //~| ERROR functions in `extern` blocks //~| ERROR functions cannot be both `const` and `async` diff --git a/tests/ui/parser/fn-header-semantic-fail.stderr b/tests/ui/parser/fn-header-semantic-fail.stderr index cfc54839eb75..dc2a216754d2 100644 --- a/tests/ui/parser/fn-header-semantic-fail.stderr +++ b/tests/ui/parser/fn-header-semantic-fail.stderr @@ -78,15 +78,6 @@ LL | extern "C" { LL | async fn fe1(); | ^^^^^ help: remove this qualifier -error: functions in `extern` blocks cannot have qualifiers - --> $DIR/fn-header-semantic-fail.rs:47:9 - | -LL | extern "C" { - | ---------- in this `extern` block -LL | async fn fe1(); -LL | unsafe fn fe2(); - | ^^^^^^ help: remove this qualifier - error: functions in `extern` blocks cannot have qualifiers --> $DIR/fn-header-semantic-fail.rs:48:9 | @@ -105,15 +96,6 @@ LL | extern "C" { LL | extern "C" fn fe4(); | ^^^^^^^^^^ help: remove this qualifier -error: functions in `extern` blocks cannot have qualifiers - --> $DIR/fn-header-semantic-fail.rs:50:21 - | -LL | extern "C" { - | ---------- in this `extern` block -... -LL | const async unsafe extern "C" fn fe5(); - | ^^^^^^ help: remove this qualifier - error: functions in `extern` blocks cannot have qualifiers --> $DIR/fn-header-semantic-fail.rs:50:15 | @@ -150,6 +132,6 @@ LL | const async unsafe extern "C" fn fe5(); | | `async` because of this | `const` because of this -error: aborting due to 17 previous errors +error: aborting due to 15 previous errors For more information about this error, try `rustc --explain E0379`. diff --git a/tests/ui/parser/no-const-fn-in-extern-block.rs b/tests/ui/parser/no-const-fn-in-extern-block.rs index d6c578681ccc..1993124edc39 100644 --- a/tests/ui/parser/no-const-fn-in-extern-block.rs +++ b/tests/ui/parser/no-const-fn-in-extern-block.rs @@ -3,7 +3,6 @@ extern "C" { //~^ ERROR functions in `extern` blocks cannot have qualifiers const unsafe fn bar(); //~^ ERROR functions in `extern` blocks cannot have qualifiers - //~| ERROR functions in `extern` blocks cannot have qualifiers } fn main() {} diff --git a/tests/ui/parser/no-const-fn-in-extern-block.stderr b/tests/ui/parser/no-const-fn-in-extern-block.stderr index 948ce669112c..2dec6f769310 100644 --- a/tests/ui/parser/no-const-fn-in-extern-block.stderr +++ b/tests/ui/parser/no-const-fn-in-extern-block.stderr @@ -6,15 +6,6 @@ LL | extern "C" { LL | const fn foo(); | ^^^^^ help: remove this qualifier -error: functions in `extern` blocks cannot have qualifiers - --> $DIR/no-const-fn-in-extern-block.rs:4:11 - | -LL | extern "C" { - | ---------- in this `extern` block -... -LL | const unsafe fn bar(); - | ^^^^^^ help: remove this qualifier - error: functions in `extern` blocks cannot have qualifiers --> $DIR/no-const-fn-in-extern-block.rs:4:5 | @@ -24,5 +15,5 @@ LL | extern "C" { LL | const unsafe fn bar(); | ^^^^^ help: remove this qualifier -error: aborting due to 3 previous errors +error: aborting due to 2 previous errors diff --git a/tests/ui/parser/unsafe-foreign-mod-2.rs b/tests/ui/parser/unsafe-foreign-mod-2.rs index c0994090eff4..6d339cd90881 100644 --- a/tests/ui/parser/unsafe-foreign-mod-2.rs +++ b/tests/ui/parser/unsafe-foreign-mod-2.rs @@ -1,7 +1,6 @@ extern "C" unsafe { //~^ ERROR expected `{`, found keyword `unsafe` unsafe fn foo(); - //~^ ERROR functions in `extern` blocks cannot have qualifiers } fn main() {} diff --git a/tests/ui/parser/unsafe-foreign-mod-2.stderr b/tests/ui/parser/unsafe-foreign-mod-2.stderr index 620d042540ec..0625e3362ed7 100644 --- a/tests/ui/parser/unsafe-foreign-mod-2.stderr +++ b/tests/ui/parser/unsafe-foreign-mod-2.stderr @@ -4,14 +4,5 @@ error: expected `{`, found keyword `unsafe` LL | extern "C" unsafe { | ^^^^^^ expected `{` -error: functions in `extern` blocks cannot have qualifiers - --> $DIR/unsafe-foreign-mod-2.rs:3:5 - | -LL | extern "C" unsafe { - | ----------------- in this `extern` block -LL | -LL | unsafe fn foo(); - | ^^^^^^ help: remove this qualifier - -error: aborting due to 2 previous errors +error: aborting due to 1 previous error diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.edition2021.stderr b/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.edition2021.stderr new file mode 100644 index 000000000000..67e582c7c565 --- /dev/null +++ b/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.edition2021.stderr @@ -0,0 +1,11 @@ +error[E0133]: call to unsafe function `test1` is unsafe and requires unsafe function or block + --> $DIR/unsafe-items.rs:17:5 + | +LL | test1(i); + | ^^^^^^^^ call to unsafe function + | + = note: consult the function's documentation for information on how to avoid undefined behavior + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0133`. diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.edition2024.stderr b/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.edition2024.stderr new file mode 100644 index 000000000000..8a9410f8f135 --- /dev/null +++ b/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.edition2024.stderr @@ -0,0 +1,11 @@ +error[E0133]: call to unsafe function `test1` is unsafe and requires unsafe block + --> $DIR/unsafe-items.rs:17:5 + | +LL | test1(i); + | ^^^^^^^^ call to unsafe function + | + = note: consult the function's documentation for information on how to avoid undefined behavior + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0133`. diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.rs b/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.rs new file mode 100644 index 000000000000..4b6d077e9877 --- /dev/null +++ b/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.rs @@ -0,0 +1,21 @@ +//@ revisions: edition2021 edition2024 +//@[edition2021] edition:2021 +//@[edition2024] edition:2024 +//@[edition2024] compile-flags: -Zunstable-options + +unsafe extern "C" { + unsafe fn test1(i: i32); +} + +fn test2(i: i32) { + unsafe { + test1(i); + } +} + +fn test3(i: i32) { + test1(i); + //~^ ERROR: call to unsafe function `test1` is unsafe +} + +fn main() {} From 2a377122dd41291747153ac82289e34a72275138 Mon Sep 17 00:00:00 2001 From: Santiago Pastorino Date: Thu, 23 May 2024 10:01:05 -0300 Subject: [PATCH 0971/1716] Handle safety keyword for extern block inner items --- compiler/rustc_ast/src/ast.rs | 4 +++ compiler/rustc_ast/src/mut_visit.rs | 8 +++++- compiler/rustc_ast/src/token.rs | 2 ++ compiler/rustc_ast/src/visit.rs | 7 +++++- compiler/rustc_ast_lowering/src/item.rs | 25 +++++++++++++------ compiler/rustc_ast_lowering/src/lib.rs | 2 +- .../rustc_ast_passes/src/ast_validation.rs | 2 +- compiler/rustc_ast_pretty/src/pprust/state.rs | 1 + .../rustc_ast_pretty/src/pprust/state/item.rs | 8 +++++- compiler/rustc_hir/src/hir.rs | 14 +++++------ compiler/rustc_hir/src/intravisit.rs | 6 +++-- .../rustc_hir_analysis/src/check/check.rs | 2 +- .../rustc_hir_analysis/src/check/intrinsic.rs | 2 +- compiler/rustc_hir_analysis/src/collect.rs | 9 ++++--- .../src/collect/resolve_bound_vars.rs | 2 +- .../rustc_hir_analysis/src/collect/type_of.rs | 2 +- .../rustc_hir_analysis/src/hir_wf_check.rs | 2 +- compiler/rustc_hir_pretty/src/lib.rs | 7 +++--- compiler/rustc_lint/src/types.rs | 6 ++--- compiler/rustc_middle/src/hir/map/mod.rs | 2 +- compiler/rustc_middle/src/hir/mod.rs | 2 +- compiler/rustc_parse/src/parser/item.rs | 21 ++++++++++++++-- compiler/rustc_parse/src/parser/mod.rs | 2 ++ compiler/rustc_resolve/src/def_collector.rs | 9 ++++--- compiler/rustc_span/src/symbol.rs | 1 + src/librustdoc/clean/mod.rs | 8 ++++-- .../clippy/clippy_utils/src/ast_utils.rs | 4 ++- src/tools/rustfmt/src/utils.rs | 1 + tests/pretty/hir-fn-variadic.pp | 2 +- tests/ui/async-await/no-async-const.rs | 2 +- tests/ui/async-await/no-async-const.stderr | 4 +-- tests/ui/coroutine/async_gen_fn.none.stderr | 4 +-- tests/ui/coroutine/async_gen_fn.rs | 2 +- tests/ui/coroutine/gen_fn.none.stderr | 4 +-- tests/ui/coroutine/gen_fn.rs | 2 +- tests/ui/parser/duplicate-visibility.rs | 4 +-- tests/ui/parser/duplicate-visibility.stderr | 4 +-- tests/ui/parser/issues/issue-76437-async.rs | 2 +- .../ui/parser/issues/issue-76437-async.stderr | 4 +-- .../parser/issues/issue-76437-const-async.rs | 2 +- .../issues/issue-76437-const-async.stderr | 4 +-- tests/ui/parser/issues/issue-76437-const.rs | 2 +- .../ui/parser/issues/issue-76437-const.stderr | 4 +-- tests/ui/parser/issues/issue-86895.rs | 2 +- tests/ui/parser/issues/issue-86895.stderr | 4 +-- .../const-async-const.rs | 4 +-- .../const-async-const.stderr | 4 +-- .../issues/issue-87694-duplicated-pub.rs | 4 +-- .../issues/issue-87694-duplicated-pub.stderr | 4 +-- .../issues/issue-87694-misplaced-pub.rs | 4 +-- .../issues/issue-87694-misplaced-pub.stderr | 4 +-- .../unsafe-extern-blocks/safe-items.rs | 15 +++++++++++ 52 files changed, 168 insertions(+), 84 deletions(-) create mode 100644 tests/ui/rust-2024/unsafe-extern-blocks/safe-items.rs diff --git a/compiler/rustc_ast/src/ast.rs b/compiler/rustc_ast/src/ast.rs index 7a45d909d077..042c31fc70f7 100644 --- a/compiler/rustc_ast/src/ast.rs +++ b/compiler/rustc_ast/src/ast.rs @@ -2501,6 +2501,8 @@ pub enum IsAuto { pub enum Safety { /// `unsafe` an item is explicitly marked as `unsafe`. Unsafe(Span), + /// `safe` an item is explicitly marked as `safe`. + Safe(Span), /// Default means no value was provided, it will take a default value given the context in /// which is used. Default, @@ -3171,6 +3173,7 @@ pub struct StaticItem { #[derive(Clone, Encodable, Decodable, Debug)] pub struct StaticForeignItem { pub ty: P, + pub safety: Safety, pub mutability: Mutability, pub expr: Option>, } @@ -3179,6 +3182,7 @@ impl From for StaticForeignItem { fn from(static_item: StaticItem) -> StaticForeignItem { StaticForeignItem { ty: static_item.ty, + safety: Safety::Default, mutability: static_item.mutability, expr: static_item.expr, } diff --git a/compiler/rustc_ast/src/mut_visit.rs b/compiler/rustc_ast/src/mut_visit.rs index 5c581c270e49..c6814df28400 100644 --- a/compiler/rustc_ast/src/mut_visit.rs +++ b/compiler/rustc_ast/src/mut_visit.rs @@ -862,6 +862,7 @@ fn visit_defaultness(defaultness: &mut Defaultness, vis: &mut T) fn visit_safety(safety: &mut Safety, vis: &mut T) { match safety { Safety::Unsafe(span) => vis.visit_span(span), + Safety::Safe(span) => vis.visit_span(span), Safety::Default => {} } } @@ -1289,7 +1290,12 @@ pub fn noop_flat_map_item( impl NoopVisitItemKind for ForeignItemKind { fn noop_visit(&mut self, visitor: &mut impl MutVisitor) { match self { - ForeignItemKind::Static(box StaticForeignItem { ty, mutability: _, expr }) => { + ForeignItemKind::Static(box StaticForeignItem { + ty, + mutability: _, + expr, + safety: _, + }) => { visitor.visit_ty(ty); visit_opt(expr, |expr| visitor.visit_expr(expr)); } diff --git a/compiler/rustc_ast/src/token.rs b/compiler/rustc_ast/src/token.rs index 099a6096d0b5..109c401bb6a2 100644 --- a/compiler/rustc_ast/src/token.rs +++ b/compiler/rustc_ast/src/token.rs @@ -210,6 +210,7 @@ pub fn ident_can_begin_expr(name: Symbol, span: Span, is_raw: IdentIsRaw) -> boo kw::Unsafe, kw::While, kw::Yield, + kw::Safe, kw::Static, ] .contains(&name) @@ -577,6 +578,7 @@ impl Token { kw::Impl, kw::Unsafe, kw::Const, + kw::Safe, kw::Static, kw::Union, kw::Macro, diff --git a/compiler/rustc_ast/src/visit.rs b/compiler/rustc_ast/src/visit.rs index b2f3b27c77e9..ccf9f99757e3 100644 --- a/compiler/rustc_ast/src/visit.rs +++ b/compiler/rustc_ast/src/visit.rs @@ -658,7 +658,12 @@ impl WalkItemKind for ForeignItemKind { ) -> V::Result { let &Item { id, span, ident, ref vis, .. } = item; match self { - ForeignItemKind::Static(box StaticForeignItem { ty, mutability: _, expr }) => { + ForeignItemKind::Static(box StaticForeignItem { + ty, + mutability: _, + expr, + safety: _, + }) => { try_visit!(visitor.visit_ty(ty)); visit_opt!(visitor, visit_expr, expr); } diff --git a/compiler/rustc_ast_lowering/src/item.rs b/compiler/rustc_ast_lowering/src/item.rs index a15449409df3..70bf74e5234d 100644 --- a/compiler/rustc_ast_lowering/src/item.rs +++ b/compiler/rustc_ast_lowering/src/item.rs @@ -388,7 +388,7 @@ impl<'hir> LoweringContext<'_, 'hir> { ImplPolarity::Negative(s) => ImplPolarity::Negative(self.lower_span(*s)), }; hir::ItemKind::Impl(self.arena.alloc(hir::Impl { - safety: self.lower_safety(*safety), + safety: self.lower_safety(*safety, hir::Safety::Safe), polarity, defaultness, defaultness_span, @@ -418,7 +418,7 @@ impl<'hir> LoweringContext<'_, 'hir> { let items = this.arena.alloc_from_iter( items.iter().map(|item| this.lower_trait_item_ref(item)), ); - let safety = this.lower_safety(*safety); + let safety = this.lower_safety(*safety, hir::Safety::Safe); (safety, items, bounds) }, ); @@ -660,13 +660,21 @@ impl<'hir> LoweringContext<'_, 'hir> { this.lower_fn_params_to_names(fdec), ) }); + let safety = self.lower_safety(sig.header.safety, hir::Safety::Unsafe); - hir::ForeignItemKind::Fn(fn_dec, fn_args, generics) + hir::ForeignItemKind::Fn(fn_dec, fn_args, generics, safety) } - ForeignItemKind::Static(box StaticForeignItem { ty, mutability, expr: _ }) => { + ForeignItemKind::Static(box StaticForeignItem { + ty, + mutability, + expr: _, + safety, + }) => { let ty = self .lower_ty(ty, ImplTraitContext::Disallowed(ImplTraitPosition::StaticTy)); - hir::ForeignItemKind::Static(ty, *mutability) + let safety = self.lower_safety(*safety, hir::Safety::Unsafe); + + hir::ForeignItemKind::Static(ty, *mutability, safety) } ForeignItemKind::TyAlias(..) => hir::ForeignItemKind::Type, ForeignItemKind::MacCall(_) => panic!("macro shouldn't exist here"), @@ -1360,7 +1368,7 @@ impl<'hir> LoweringContext<'_, 'hir> { hir::IsAsync::NotAsync }; hir::FnHeader { - safety: self.lower_safety(h.safety), + safety: self.lower_safety(h.safety, hir::Safety::Safe), asyncness: asyncness, constness: self.lower_constness(h.constness), abi: self.lower_extern(h.ext), @@ -1410,10 +1418,11 @@ impl<'hir> LoweringContext<'_, 'hir> { } } - pub(super) fn lower_safety(&mut self, s: Safety) -> hir::Safety { + pub(super) fn lower_safety(&mut self, s: Safety, default: hir::Safety) -> hir::Safety { match s { Safety::Unsafe(_) => hir::Safety::Unsafe, - Safety::Default => hir::Safety::Safe, + Safety::Default => default, + Safety::Safe(_) => hir::Safety::Safe, } } diff --git a/compiler/rustc_ast_lowering/src/lib.rs b/compiler/rustc_ast_lowering/src/lib.rs index 5a80fa803f84..023dc6d52c3e 100644 --- a/compiler/rustc_ast_lowering/src/lib.rs +++ b/compiler/rustc_ast_lowering/src/lib.rs @@ -1321,7 +1321,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { let generic_params = self.lower_lifetime_binder(t.id, &f.generic_params); hir::TyKind::BareFn(self.arena.alloc(hir::BareFnTy { generic_params, - safety: self.lower_safety(f.safety), + safety: self.lower_safety(f.safety, hir::Safety::Safe), abi: self.lower_extern(f.ext), decl: self.lower_fn_decl(&f.decl, t.id, t.span, FnDeclKind::Pointer, None), param_names: self.lower_fn_params_to_names(&f.decl), diff --git a/compiler/rustc_ast_passes/src/ast_validation.rs b/compiler/rustc_ast_passes/src/ast_validation.rs index b405e8885611..29097f7f6afd 100644 --- a/compiler/rustc_ast_passes/src/ast_validation.rs +++ b/compiler/rustc_ast_passes/src/ast_validation.rs @@ -1184,7 +1184,7 @@ impl<'a> Visitor<'a> for AstValidator<'a> { self.check_foreign_ty_genericless(generics, where_clauses); self.check_foreign_item_ascii_only(fi.ident); } - ForeignItemKind::Static(box StaticForeignItem { ty: _, mutability: _, expr }) => { + ForeignItemKind::Static(box StaticForeignItem { expr, .. }) => { self.check_foreign_kind_bodyless(fi.ident, "static", expr.as_ref().map(|b| b.span)); self.check_foreign_item_ascii_only(fi.ident); } diff --git a/compiler/rustc_ast_pretty/src/pprust/state.rs b/compiler/rustc_ast_pretty/src/pprust/state.rs index 4c29ca0ca465..ca26b436b82e 100644 --- a/compiler/rustc_ast_pretty/src/pprust/state.rs +++ b/compiler/rustc_ast_pretty/src/pprust/state.rs @@ -1973,6 +1973,7 @@ impl<'a> State<'a> { fn print_safety(&mut self, s: ast::Safety) { match s { ast::Safety::Default => {} + ast::Safety::Safe(_) => self.word_nbsp("safe"), ast::Safety::Unsafe(_) => self.word_nbsp("unsafe"), } } diff --git a/compiler/rustc_ast_pretty/src/pprust/state/item.rs b/compiler/rustc_ast_pretty/src/pprust/state/item.rs index 59d9b0c1a8ec..5855972e8c5a 100644 --- a/compiler/rustc_ast_pretty/src/pprust/state/item.rs +++ b/compiler/rustc_ast_pretty/src/pprust/state/item.rs @@ -31,7 +31,13 @@ impl<'a> State<'a> { ast::ForeignItemKind::Fn(box ast::Fn { defaultness, sig, generics, body }) => { self.print_fn_full(sig, ident, generics, vis, *defaultness, body.as_deref(), attrs); } - ast::ForeignItemKind::Static(box ast::StaticForeignItem { ty, mutability, expr }) => { + ast::ForeignItemKind::Static(box ast::StaticForeignItem { + ty, + mutability, + expr, + safety, + }) => { + self.print_safety(*safety); self.print_item_const( ident, Some(*mutability), diff --git a/compiler/rustc_hir/src/hir.rs b/compiler/rustc_hir/src/hir.rs index e971d0e3c143..770dfcb98c91 100644 --- a/compiler/rustc_hir/src/hir.rs +++ b/compiler/rustc_hir/src/hir.rs @@ -3475,9 +3475,9 @@ impl ForeignItem<'_> { #[derive(Debug, Clone, Copy, HashStable_Generic)] pub enum ForeignItemKind<'hir> { /// A foreign function. - Fn(&'hir FnDecl<'hir>, &'hir [Ident], &'hir Generics<'hir>), + Fn(&'hir FnDecl<'hir>, &'hir [Ident], &'hir Generics<'hir>, Safety), /// A foreign static item (`static ext: u8`). - Static(&'hir Ty<'hir>, Mutability), + Static(&'hir Ty<'hir>, Mutability, Safety), /// A foreign type. Type, } @@ -3545,7 +3545,7 @@ impl<'hir> OwnerNode<'hir> { | OwnerNode::ImplItem(ImplItem { kind: ImplItemKind::Fn(fn_sig, _), .. }) | OwnerNode::Item(Item { kind: ItemKind::Fn(fn_sig, _, _), .. }) => Some(fn_sig.decl), OwnerNode::ForeignItem(ForeignItem { - kind: ForeignItemKind::Fn(fn_decl, _, _), + kind: ForeignItemKind::Fn(fn_decl, _, _, _), .. }) => Some(fn_decl), _ => None, @@ -3728,9 +3728,9 @@ impl<'hir> Node<'hir> { | Node::ImplItem(ImplItem { kind: ImplItemKind::Fn(fn_sig, _), .. }) | Node::Item(Item { kind: ItemKind::Fn(fn_sig, _, _), .. }) => Some(fn_sig.decl), Node::Expr(Expr { kind: ExprKind::Closure(Closure { fn_decl, .. }), .. }) - | Node::ForeignItem(ForeignItem { kind: ForeignItemKind::Fn(fn_decl, _, _), .. }) => { - Some(fn_decl) - } + | Node::ForeignItem(ForeignItem { + kind: ForeignItemKind::Fn(fn_decl, _, _, _), .. + }) => Some(fn_decl), _ => None, } } @@ -3813,7 +3813,7 @@ impl<'hir> Node<'hir> { pub fn generics(self) -> Option<&'hir Generics<'hir>> { match self { Node::ForeignItem(ForeignItem { - kind: ForeignItemKind::Fn(_, _, generics), .. + kind: ForeignItemKind::Fn(_, _, generics, _), .. }) | Node::TraitItem(TraitItem { generics, .. }) | Node::ImplItem(ImplItem { generics, .. }) => Some(generics), diff --git a/compiler/rustc_hir/src/intravisit.rs b/compiler/rustc_hir/src/intravisit.rs index 9bc2bbe0c647..e37473df956d 100644 --- a/compiler/rustc_hir/src/intravisit.rs +++ b/compiler/rustc_hir/src/intravisit.rs @@ -608,12 +608,14 @@ pub fn walk_foreign_item<'v, V: Visitor<'v>>( try_visit!(visitor.visit_ident(foreign_item.ident)); match foreign_item.kind { - ForeignItemKind::Fn(ref function_declaration, param_names, ref generics) => { + ForeignItemKind::Fn(ref function_declaration, param_names, ref generics, _) => { try_visit!(visitor.visit_generics(generics)); try_visit!(visitor.visit_fn_decl(function_declaration)); walk_list!(visitor, visit_ident, param_names.iter().copied()); } - ForeignItemKind::Static(ref typ, _) => try_visit!(visitor.visit_ty(typ)), + ForeignItemKind::Static(ref typ, _, _) => { + try_visit!(visitor.visit_ty(typ)); + } ForeignItemKind::Type => (), } V::Result::output() diff --git a/compiler/rustc_hir_analysis/src/check/check.rs b/compiler/rustc_hir_analysis/src/check/check.rs index 76b6cbd6e531..8a0623ef93e3 100644 --- a/compiler/rustc_hir_analysis/src/check/check.rs +++ b/compiler/rustc_hir_analysis/src/check/check.rs @@ -801,7 +801,7 @@ pub(crate) fn check_item_type(tcx: TyCtxt<'_>, def_id: LocalDefId) { let item = tcx.hir().foreign_item(item.id); match &item.kind { - hir::ForeignItemKind::Fn(fn_decl, _, _) => { + hir::ForeignItemKind::Fn(fn_decl, _, _, _) => { require_c_abi_if_c_variadic(tcx, fn_decl, abi, item.span); } hir::ForeignItemKind::Static(..) => { diff --git a/compiler/rustc_hir_analysis/src/check/intrinsic.rs b/compiler/rustc_hir_analysis/src/check/intrinsic.rs index f7989aeab41b..13180fa2673b 100644 --- a/compiler/rustc_hir_analysis/src/check/intrinsic.rs +++ b/compiler/rustc_hir_analysis/src/check/intrinsic.rs @@ -29,7 +29,7 @@ fn equate_intrinsic_type<'tcx>( let (own_counts, span) = match tcx.hir_node_by_def_id(def_id) { hir::Node::Item(hir::Item { kind: hir::ItemKind::Fn(_, generics, _), .. }) | hir::Node::ForeignItem(hir::ForeignItem { - kind: hir::ForeignItemKind::Fn(.., generics), + kind: hir::ForeignItemKind::Fn(.., generics, _), .. }) => { let own_counts = tcx.generics_of(def_id).own_counts(); diff --git a/compiler/rustc_hir_analysis/src/collect.rs b/compiler/rustc_hir_analysis/src/collect.rs index 7e7460061484..43e0b945f342 100644 --- a/compiler/rustc_hir_analysis/src/collect.rs +++ b/compiler/rustc_hir_analysis/src/collect.rs @@ -1321,9 +1321,11 @@ fn fn_sig(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::EarlyBinder<'_, ty::PolyFn icx.lowerer().lower_fn_ty(hir_id, header.safety, header.abi, decl, Some(generics), None) } - ForeignItem(&hir::ForeignItem { kind: ForeignItemKind::Fn(fn_decl, _, _), .. }) => { + ForeignItem(&hir::ForeignItem { + kind: ForeignItemKind::Fn(fn_decl, _, _, safety), .. + }) => { let abi = tcx.hir().get_foreign_abi(hir_id); - compute_sig_of_foreign_fn_decl(tcx, def_id, fn_decl, abi) + compute_sig_of_foreign_fn_decl(tcx, def_id, fn_decl, abi, safety) } Ctor(data) | Variant(hir::Variant { data, .. }) if data.ctor().is_some() => { @@ -1695,11 +1697,12 @@ fn compute_sig_of_foreign_fn_decl<'tcx>( def_id: LocalDefId, decl: &'tcx hir::FnDecl<'tcx>, abi: abi::Abi, + safety: hir::Safety, ) -> ty::PolyFnSig<'tcx> { let safety = if abi == abi::Abi::RustIntrinsic { intrinsic_operation_unsafety(tcx, def_id) } else { - hir::Safety::Unsafe + safety }; let hir_id = tcx.local_def_id_to_hir_id(def_id); let fty = diff --git a/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs b/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs index c1850f78f2fb..abc3bb838db3 100644 --- a/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs +++ b/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs @@ -603,7 +603,7 @@ impl<'a, 'tcx> Visitor<'tcx> for BoundVarContext<'a, 'tcx> { fn visit_foreign_item(&mut self, item: &'tcx hir::ForeignItem<'tcx>) { match item.kind { - hir::ForeignItemKind::Fn(_, _, generics) => { + hir::ForeignItemKind::Fn(_, _, generics, _) => { self.visit_early_late(item.hir_id(), generics, |this| { intravisit::walk_foreign_item(this, item); }) diff --git a/compiler/rustc_hir_analysis/src/collect/type_of.rs b/compiler/rustc_hir_analysis/src/collect/type_of.rs index 71b08e293769..6811f62de07b 100644 --- a/compiler/rustc_hir_analysis/src/collect/type_of.rs +++ b/compiler/rustc_hir_analysis/src/collect/type_of.rs @@ -464,7 +464,7 @@ pub(super) fn type_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::EarlyBinder<'_ let args = ty::GenericArgs::identity_for_item(tcx, def_id); Ty::new_fn_def(tcx, def_id.to_def_id(), args) } - ForeignItemKind::Static(t, _) => icx.lower_ty(t), + ForeignItemKind::Static(t, _, _) => icx.lower_ty(t), ForeignItemKind::Type => Ty::new_foreign(tcx, def_id.to_def_id()), }, diff --git a/compiler/rustc_hir_analysis/src/hir_wf_check.rs b/compiler/rustc_hir_analysis/src/hir_wf_check.rs index 3e15fddf559f..13993a1992b7 100644 --- a/compiler/rustc_hir_analysis/src/hir_wf_check.rs +++ b/compiler/rustc_hir_analysis/src/hir_wf_check.rs @@ -158,7 +158,7 @@ fn diagnostic_hir_wf_check<'tcx>( }, hir::Node::Field(field) => vec![field.ty], hir::Node::ForeignItem(ForeignItem { - kind: ForeignItemKind::Static(ty, _), .. + kind: ForeignItemKind::Static(ty, _, _), .. }) => vec![*ty], hir::Node::GenericParam(hir::GenericParam { kind: hir::GenericParamKind::Type { default: Some(ty), .. }, diff --git a/compiler/rustc_hir_pretty/src/lib.rs b/compiler/rustc_hir_pretty/src/lib.rs index a8e0b3fc0793..6983bbcb052c 100644 --- a/compiler/rustc_hir_pretty/src/lib.rs +++ b/compiler/rustc_hir_pretty/src/lib.rs @@ -345,12 +345,12 @@ impl<'a> State<'a> { self.maybe_print_comment(item.span.lo()); self.print_outer_attributes(self.attrs(item.hir_id())); match item.kind { - hir::ForeignItemKind::Fn(decl, arg_names, generics) => { + hir::ForeignItemKind::Fn(decl, arg_names, generics, safety) => { self.head(""); self.print_fn( decl, hir::FnHeader { - safety: hir::Safety::Safe, + safety, constness: hir::Constness::NotConst, abi: Abi::Rust, asyncness: hir::IsAsync::NotAsync, @@ -364,7 +364,8 @@ impl<'a> State<'a> { self.word(";"); self.end() // end the outer fn box } - hir::ForeignItemKind::Static(t, m) => { + hir::ForeignItemKind::Static(t, m, safety) => { + self.print_safety(safety); self.head("static"); if m.is_mut() { self.word_space("mut"); diff --git a/compiler/rustc_lint/src/types.rs b/compiler/rustc_lint/src/types.rs index 9d3a838666af..f3a904022e9e 100644 --- a/compiler/rustc_lint/src/types.rs +++ b/compiler/rustc_lint/src/types.rs @@ -1741,13 +1741,13 @@ impl<'tcx> LateLintPass<'tcx> for ImproperCTypesDeclarations { let abi = cx.tcx.hir().get_foreign_abi(it.hir_id()); match it.kind { - hir::ForeignItemKind::Fn(decl, _, _) if !vis.is_internal_abi(abi) => { + hir::ForeignItemKind::Fn(decl, _, _, _) if !vis.is_internal_abi(abi) => { vis.check_foreign_fn(it.owner_id.def_id, decl); } - hir::ForeignItemKind::Static(ty, _) if !vis.is_internal_abi(abi) => { + hir::ForeignItemKind::Static(ty, _, _) if !vis.is_internal_abi(abi) => { vis.check_foreign_static(it.owner_id, ty.span); } - hir::ForeignItemKind::Fn(decl, _, _) => vis.check_fn(it.owner_id.def_id, decl), + hir::ForeignItemKind::Fn(decl, _, _, _) => vis.check_fn(it.owner_id.def_id, decl), hir::ForeignItemKind::Static(..) | hir::ForeignItemKind::Type => (), } } diff --git a/compiler/rustc_middle/src/hir/map/mod.rs b/compiler/rustc_middle/src/hir/map/mod.rs index 639c98155e70..c7431f377ac3 100644 --- a/compiler/rustc_middle/src/hir/map/mod.rs +++ b/compiler/rustc_middle/src/hir/map/mod.rs @@ -886,7 +886,7 @@ impl<'hir> Map<'hir> { Node::Variant(variant) => named_span(variant.span, variant.ident, None), Node::ImplItem(item) => named_span(item.span, item.ident, Some(item.generics)), Node::ForeignItem(item) => match item.kind { - ForeignItemKind::Fn(decl, _, _) => until_within(item.span, decl.output.span()), + ForeignItemKind::Fn(decl, _, _, _) => until_within(item.span, decl.output.span()), _ => named_span(item.span, item.ident, None), }, Node::Ctor(_) => return self.span(self.tcx.parent_hir_id(hir_id)), diff --git a/compiler/rustc_middle/src/hir/mod.rs b/compiler/rustc_middle/src/hir/mod.rs index b0c14cdfec93..57c8ba96a20a 100644 --- a/compiler/rustc_middle/src/hir/mod.rs +++ b/compiler/rustc_middle/src/hir/mod.rs @@ -201,7 +201,7 @@ pub fn provide(providers: &mut Providers) { .. }) | Node::ForeignItem(&ForeignItem { - kind: ForeignItemKind::Fn(_, idents, _), + kind: ForeignItemKind::Fn(_, idents, _, _), .. }) = tcx.hir_node(tcx.local_def_id_to_hir_id(def_id)) { diff --git a/compiler/rustc_parse/src/parser/item.rs b/compiler/rustc_parse/src/parser/item.rs index 53757c38e8b0..4989985bb10c 100644 --- a/compiler/rustc_parse/src/parser/item.rs +++ b/compiler/rustc_parse/src/parser/item.rs @@ -1221,6 +1221,7 @@ impl<'a> Parser<'a> { ty, mutability: Mutability::Not, expr, + safety: Safety::Default, })) } _ => return self.error_bad_item_kind(span, &kind, "`extern` blocks"), @@ -2400,9 +2401,9 @@ impl<'a> Parser<'a> { // `pub` is added in case users got confused with the ordering like `async pub fn`, // only if it wasn't preceded by `default` as `default pub` is invalid. let quals: &[Symbol] = if check_pub { - &[kw::Pub, kw::Gen, kw::Const, kw::Async, kw::Unsafe, kw::Extern] + &[kw::Pub, kw::Gen, kw::Const, kw::Async, kw::Unsafe, kw::Safe, kw::Extern] } else { - &[kw::Gen, kw::Const, kw::Async, kw::Unsafe, kw::Extern] + &[kw::Gen, kw::Const, kw::Async, kw::Unsafe, kw::Safe, kw::Extern] }; self.check_keyword_case(kw::Fn, case) // Definitely an `fn`. // `$qual fn` or `$qual $qual`: @@ -2537,11 +2538,27 @@ impl<'a> Parser<'a> { } else if self.check_keyword(kw::Unsafe) { match safety { Safety::Unsafe(sp) => Some(WrongKw::Duplicated(sp)), + Safety::Safe(sp) => { + recover_safety = Safety::Unsafe(self.token.span); + Some(WrongKw::Misplaced(sp)) + } Safety::Default => { recover_safety = Safety::Unsafe(self.token.span); Some(WrongKw::Misplaced(ext_start_sp)) } } + } else if self.check_keyword(kw::Safe) { + match safety { + Safety::Safe(sp) => Some(WrongKw::Duplicated(sp)), + Safety::Unsafe(sp) => { + recover_safety = Safety::Safe(self.token.span); + Some(WrongKw::Misplaced(sp)) + } + Safety::Default => { + recover_safety = Safety::Safe(self.token.span); + Some(WrongKw::Misplaced(ext_start_sp)) + } + } } else { None }; diff --git a/compiler/rustc_parse/src/parser/mod.rs b/compiler/rustc_parse/src/parser/mod.rs index bab8b6c06ebe..8f733b4fcbbc 100644 --- a/compiler/rustc_parse/src/parser/mod.rs +++ b/compiler/rustc_parse/src/parser/mod.rs @@ -1221,6 +1221,8 @@ impl<'a> Parser<'a> { fn parse_safety(&mut self, case: Case) -> Safety { if self.eat_keyword_case(kw::Unsafe, case) { Safety::Unsafe(self.prev_token.uninterpolated_span()) + } else if self.eat_keyword_case(kw::Safe, case) { + Safety::Safe(self.prev_token.uninterpolated_span()) } else { Safety::Default } diff --git a/compiler/rustc_resolve/src/def_collector.rs b/compiler/rustc_resolve/src/def_collector.rs index cad10571afe6..6d506059ad85 100644 --- a/compiler/rustc_resolve/src/def_collector.rs +++ b/compiler/rustc_resolve/src/def_collector.rs @@ -211,9 +211,12 @@ impl<'a, 'b, 'tcx> visit::Visitor<'a> for DefCollector<'a, 'b, 'tcx> { fn visit_foreign_item(&mut self, fi: &'a ForeignItem) { let def_kind = match fi.kind { - ForeignItemKind::Static(box StaticForeignItem { ty: _, mutability, expr: _ }) => { - DefKind::Static { mutability, nested: false } - } + ForeignItemKind::Static(box StaticForeignItem { + ty: _, + mutability, + expr: _, + safety: _, + }) => DefKind::Static { mutability, nested: false }, ForeignItemKind::Fn(_) => DefKind::Fn, ForeignItemKind::TyAlias(_) => DefKind::ForeignTy, ForeignItemKind::MacCall(_) => return self.visit_macro_invoc(fi.id), diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index 61ca0d54ca49..ede9b852ba84 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -103,6 +103,7 @@ symbols! { MacroRules: "macro_rules", Raw: "raw", Reuse: "reuse", + Safe: "safe", Union: "union", Yeet: "yeet", } diff --git a/src/librustdoc/clean/mod.rs b/src/librustdoc/clean/mod.rs index 839bfdf44af1..59e8dc678d0f 100644 --- a/src/librustdoc/clean/mod.rs +++ b/src/librustdoc/clean/mod.rs @@ -3089,7 +3089,9 @@ fn clean_maybe_renamed_foreign_item<'tcx>( let def_id = item.owner_id.to_def_id(); cx.with_param_env(def_id, |cx| { let kind = match item.kind { - hir::ForeignItemKind::Fn(decl, names, generics) => { + // FIXME(missing_unsafe_on_extern) handle safety of foreign fns. + // Safety was added as part of the implementation of unsafe extern blocks PR #124482 + hir::ForeignItemKind::Fn(decl, names, generics, _) => { let (generics, decl) = enter_impl_trait(cx, |cx| { // NOTE: generics must be cleaned before args let generics = clean_generics(generics, cx); @@ -3099,7 +3101,9 @@ fn clean_maybe_renamed_foreign_item<'tcx>( }); ForeignFunctionItem(Box::new(Function { decl, generics })) } - hir::ForeignItemKind::Static(ty, mutability) => { + // FIXME(missing_unsafe_on_extern) handle safety of foreign statics. + // Safety was added as part of the implementation of unsafe extern blocks PR #124482 + hir::ForeignItemKind::Static(ty, mutability, _) => { ForeignStaticItem(Static { type_: clean_ty(ty, cx), mutability, expr: None }) } hir::ForeignItemKind::Type => ForeignTypeItem, diff --git a/src/tools/clippy/clippy_utils/src/ast_utils.rs b/src/tools/clippy/clippy_utils/src/ast_utils.rs index bbdde3049dbd..14f9ef8966d6 100644 --- a/src/tools/clippy/clippy_utils/src/ast_utils.rs +++ b/src/tools/clippy/clippy_utils/src/ast_utils.rs @@ -451,13 +451,15 @@ pub fn eq_foreign_item_kind(l: &ForeignItemKind, r: &ForeignItemKind) -> bool { ty: lt, mutability: lm, expr: le, + safety: ls, }), Static(box StaticForeignItem { ty: rt, mutability: rm, expr: re, + safety: rs, }), - ) => lm == rm && eq_ty(lt, rt) && eq_expr_opt(le, re), + ) => lm == rm && eq_ty(lt, rt) && eq_expr_opt(le, re) && ls == rs, ( Fn(box ast::Fn { defaultness: ld, diff --git a/src/tools/rustfmt/src/utils.rs b/src/tools/rustfmt/src/utils.rs index 09e1dbde1d05..fd59aedadfed 100644 --- a/src/tools/rustfmt/src/utils.rs +++ b/src/tools/rustfmt/src/utils.rs @@ -111,6 +111,7 @@ pub(crate) fn format_defaultness(defaultness: ast::Defaultness) -> &'static str pub(crate) fn format_safety(unsafety: ast::Safety) -> &'static str { match unsafety { ast::Safety::Unsafe(..) => "unsafe ", + ast::Safety::Safe(..) => "safe ", ast::Safety::Default => "", } } diff --git a/tests/pretty/hir-fn-variadic.pp b/tests/pretty/hir-fn-variadic.pp index 978e65c825bb..dfbaff696440 100644 --- a/tests/pretty/hir-fn-variadic.pp +++ b/tests/pretty/hir-fn-variadic.pp @@ -9,7 +9,7 @@ use ::std::prelude::rust_2015::*; extern crate std; extern "C" { - fn foo(x: i32, va1: ...); + unsafe fn foo(x: i32, va1: ...); } unsafe extern "C" fn bar(_: i32, mut va2: ...) -> usize { va2.arg::() } diff --git a/tests/ui/async-await/no-async-const.rs b/tests/ui/async-await/no-async-const.rs index c5485ebc9b62..38a5df3576bb 100644 --- a/tests/ui/async-await/no-async-const.rs +++ b/tests/ui/async-await/no-async-const.rs @@ -2,5 +2,5 @@ //@ compile-flags: --crate-type lib pub async const fn x() {} -//~^ ERROR expected one of `extern`, `fn`, or `unsafe`, found keyword `const` +//~^ ERROR expected one of `extern`, `fn`, `safe`, or `unsafe`, found keyword `const` //~| ERROR functions cannot be both `const` and `async` diff --git a/tests/ui/async-await/no-async-const.stderr b/tests/ui/async-await/no-async-const.stderr index 524d778c09b8..d692ba8f4737 100644 --- a/tests/ui/async-await/no-async-const.stderr +++ b/tests/ui/async-await/no-async-const.stderr @@ -1,10 +1,10 @@ -error: expected one of `extern`, `fn`, or `unsafe`, found keyword `const` +error: expected one of `extern`, `fn`, `safe`, or `unsafe`, found keyword `const` --> $DIR/no-async-const.rs:4:11 | LL | pub async const fn x() {} | ------^^^^^ | | | - | | expected one of `extern`, `fn`, or `unsafe` + | | expected one of `extern`, `fn`, `safe`, or `unsafe` | help: `const` must come before `async`: `const async` | = note: keyword order for functions declaration is `pub`, `default`, `const`, `async`, `unsafe`, `extern` diff --git a/tests/ui/coroutine/async_gen_fn.none.stderr b/tests/ui/coroutine/async_gen_fn.none.stderr index 7950251a75da..047f4d82486d 100644 --- a/tests/ui/coroutine/async_gen_fn.none.stderr +++ b/tests/ui/coroutine/async_gen_fn.none.stderr @@ -7,11 +7,11 @@ LL | async gen fn foo() {} = help: pass `--edition 2021` to `rustc` = note: for more on editions, read https://doc.rust-lang.org/edition-guide -error: expected one of `extern`, `fn`, or `unsafe`, found `gen` +error: expected one of `extern`, `fn`, `safe`, or `unsafe`, found `gen` --> $DIR/async_gen_fn.rs:4:7 | LL | async gen fn foo() {} - | ^^^ expected one of `extern`, `fn`, or `unsafe` + | ^^^ expected one of `extern`, `fn`, `safe`, or `unsafe` error: aborting due to 2 previous errors diff --git a/tests/ui/coroutine/async_gen_fn.rs b/tests/ui/coroutine/async_gen_fn.rs index 9e96ecf3ea69..e8be0434b9ef 100644 --- a/tests/ui/coroutine/async_gen_fn.rs +++ b/tests/ui/coroutine/async_gen_fn.rs @@ -3,7 +3,7 @@ async gen fn foo() {} //[none]~^ ERROR: `async fn` is not permitted in Rust 2015 -//[none]~| ERROR: expected one of `extern`, `fn`, or `unsafe`, found `gen` +//[none]~| ERROR: expected one of `extern`, `fn`, `safe`, or `unsafe`, found `gen` //[e2024]~^^^ ERROR: gen blocks are experimental fn main() {} diff --git a/tests/ui/coroutine/gen_fn.none.stderr b/tests/ui/coroutine/gen_fn.none.stderr index c5342ee22e62..590210641aed 100644 --- a/tests/ui/coroutine/gen_fn.none.stderr +++ b/tests/ui/coroutine/gen_fn.none.stderr @@ -1,8 +1,8 @@ -error: expected one of `#`, `async`, `const`, `default`, `extern`, `fn`, `pub`, `unsafe`, or `use`, found `gen` +error: expected one of `#`, `async`, `const`, `default`, `extern`, `fn`, `pub`, `safe`, `unsafe`, or `use`, found `gen` --> $DIR/gen_fn.rs:4:1 | LL | gen fn foo() {} - | ^^^ expected one of 9 possible tokens + | ^^^ expected one of 10 possible tokens error: aborting due to 1 previous error diff --git a/tests/ui/coroutine/gen_fn.rs b/tests/ui/coroutine/gen_fn.rs index 3228650f4152..d47b7e576d00 100644 --- a/tests/ui/coroutine/gen_fn.rs +++ b/tests/ui/coroutine/gen_fn.rs @@ -2,7 +2,7 @@ //@[e2024] compile-flags: --edition 2024 -Zunstable-options gen fn foo() {} -//[none]~^ ERROR: expected one of `#`, `async`, `const`, `default`, `extern`, `fn`, `pub`, `unsafe`, or `use`, found `gen` +//[none]~^ ERROR: expected one of `#`, `async`, `const`, `default`, `extern`, `fn`, `pub`, `safe`, `unsafe`, or `use`, found `gen` //[e2024]~^^ ERROR: gen blocks are experimental fn main() {} diff --git a/tests/ui/parser/duplicate-visibility.rs b/tests/ui/parser/duplicate-visibility.rs index 54955944c7d3..f0ee60873da0 100644 --- a/tests/ui/parser/duplicate-visibility.rs +++ b/tests/ui/parser/duplicate-visibility.rs @@ -2,8 +2,8 @@ fn main() {} extern "C" { //~ NOTE while parsing this item list starting here pub pub fn foo(); - //~^ ERROR expected one of `(`, `async`, `const`, `default`, `extern`, `fn`, `unsafe`, or `use`, found keyword `pub` - //~| NOTE expected one of 8 possible tokens + //~^ ERROR expected one of `(`, `async`, `const`, `default`, `extern`, `fn`, `safe`, `unsafe`, or `use`, found keyword `pub` + //~| NOTE expected one of 9 possible tokens //~| HELP there is already a visibility modifier, remove one //~| NOTE explicit visibility first seen here } //~ NOTE the item list ends here diff --git a/tests/ui/parser/duplicate-visibility.stderr b/tests/ui/parser/duplicate-visibility.stderr index b578b1fe26e8..0d1421ee7f4e 100644 --- a/tests/ui/parser/duplicate-visibility.stderr +++ b/tests/ui/parser/duplicate-visibility.stderr @@ -1,4 +1,4 @@ -error: expected one of `(`, `async`, `const`, `default`, `extern`, `fn`, `unsafe`, or `use`, found keyword `pub` +error: expected one of `(`, `async`, `const`, `default`, `extern`, `fn`, `safe`, `unsafe`, or `use`, found keyword `pub` --> $DIR/duplicate-visibility.rs:4:9 | LL | extern "C" { @@ -6,7 +6,7 @@ LL | extern "C" { LL | pub pub fn foo(); | ^^^ | | - | expected one of 8 possible tokens + | expected one of 9 possible tokens | help: there is already a visibility modifier, remove one ... LL | } diff --git a/tests/ui/parser/issues/issue-76437-async.rs b/tests/ui/parser/issues/issue-76437-async.rs index 497e269d634e..3fafaad0277c 100644 --- a/tests/ui/parser/issues/issue-76437-async.rs +++ b/tests/ui/parser/issues/issue-76437-async.rs @@ -2,6 +2,6 @@ mod t { async pub fn t() {} - //~^ ERROR expected one of `extern`, `fn`, or `unsafe`, found keyword `pub` + //~^ ERROR expected one of `extern`, `fn`, `safe`, or `unsafe`, found keyword `pub` //~| HELP visibility `pub` must come before `async` } diff --git a/tests/ui/parser/issues/issue-76437-async.stderr b/tests/ui/parser/issues/issue-76437-async.stderr index 7f2df5c87364..483599135f56 100644 --- a/tests/ui/parser/issues/issue-76437-async.stderr +++ b/tests/ui/parser/issues/issue-76437-async.stderr @@ -1,10 +1,10 @@ -error: expected one of `extern`, `fn`, or `unsafe`, found keyword `pub` +error: expected one of `extern`, `fn`, `safe`, or `unsafe`, found keyword `pub` --> $DIR/issue-76437-async.rs:4:11 | LL | async pub fn t() {} | ------^^^ | | | - | | expected one of `extern`, `fn`, or `unsafe` + | | expected one of `extern`, `fn`, `safe`, or `unsafe` | help: visibility `pub` must come before `async`: `pub async` error: aborting due to 1 previous error diff --git a/tests/ui/parser/issues/issue-76437-const-async.rs b/tests/ui/parser/issues/issue-76437-const-async.rs index 45d53c639332..d8eb6cdecf1b 100644 --- a/tests/ui/parser/issues/issue-76437-const-async.rs +++ b/tests/ui/parser/issues/issue-76437-const-async.rs @@ -2,6 +2,6 @@ mod t { const async pub fn t() {} - //~^ ERROR expected one of `extern`, `fn`, or `unsafe`, found keyword `pub` + //~^ ERROR expected one of `extern`, `fn`, `safe`, or `unsafe`, found keyword `pub` //~| HELP visibility `pub` must come before `const async` } diff --git a/tests/ui/parser/issues/issue-76437-const-async.stderr b/tests/ui/parser/issues/issue-76437-const-async.stderr index a9acccdce182..81fa8a5f557e 100644 --- a/tests/ui/parser/issues/issue-76437-const-async.stderr +++ b/tests/ui/parser/issues/issue-76437-const-async.stderr @@ -1,10 +1,10 @@ -error: expected one of `extern`, `fn`, or `unsafe`, found keyword `pub` +error: expected one of `extern`, `fn`, `safe`, or `unsafe`, found keyword `pub` --> $DIR/issue-76437-const-async.rs:4:17 | LL | const async pub fn t() {} | ------------^^^ | | | - | | expected one of `extern`, `fn`, or `unsafe` + | | expected one of `extern`, `fn`, `safe`, or `unsafe` | help: visibility `pub` must come before `const async`: `pub const async` error: aborting due to 1 previous error diff --git a/tests/ui/parser/issues/issue-76437-const.rs b/tests/ui/parser/issues/issue-76437-const.rs index c3431e3567bf..dad63f137c0f 100644 --- a/tests/ui/parser/issues/issue-76437-const.rs +++ b/tests/ui/parser/issues/issue-76437-const.rs @@ -2,6 +2,6 @@ mod t { const pub fn t() {} - //~^ ERROR expected one of `async`, `extern`, `fn`, or `unsafe`, found keyword `pub` + //~^ ERROR expected one of `async`, `extern`, `fn`, `safe`, or `unsafe`, found keyword `pub` //~| HELP visibility `pub` must come before `const` } diff --git a/tests/ui/parser/issues/issue-76437-const.stderr b/tests/ui/parser/issues/issue-76437-const.stderr index 4c36d773d60e..005a27b7c249 100644 --- a/tests/ui/parser/issues/issue-76437-const.stderr +++ b/tests/ui/parser/issues/issue-76437-const.stderr @@ -1,10 +1,10 @@ -error: expected one of `async`, `extern`, `fn`, or `unsafe`, found keyword `pub` +error: expected one of `async`, `extern`, `fn`, `safe`, or `unsafe`, found keyword `pub` --> $DIR/issue-76437-const.rs:4:11 | LL | const pub fn t() {} | ------^^^ | | | - | | expected one of `async`, `extern`, `fn`, or `unsafe` + | | expected one of `async`, `extern`, `fn`, `safe`, or `unsafe` | help: visibility `pub` must come before `const`: `pub const` error: aborting due to 1 previous error diff --git a/tests/ui/parser/issues/issue-86895.rs b/tests/ui/parser/issues/issue-86895.rs index 4cd09843107d..3e5dc41e2f4d 100644 --- a/tests/ui/parser/issues/issue-86895.rs +++ b/tests/ui/parser/issues/issue-86895.rs @@ -1,3 +1,3 @@ const pub () {} -//~^ ERROR expected one of `async`, `extern`, `fn`, or `unsafe` +//~^ ERROR expected one of `async`, `extern`, `fn`, `safe`, or `unsafe` pub fn main() {} diff --git a/tests/ui/parser/issues/issue-86895.stderr b/tests/ui/parser/issues/issue-86895.stderr index dcde7242d398..14183ee0a5cf 100644 --- a/tests/ui/parser/issues/issue-86895.stderr +++ b/tests/ui/parser/issues/issue-86895.stderr @@ -1,8 +1,8 @@ -error: expected one of `async`, `extern`, `fn`, or `unsafe`, found keyword `pub` +error: expected one of `async`, `extern`, `fn`, `safe`, or `unsafe`, found keyword `pub` --> $DIR/issue-86895.rs:1:7 | LL | const pub () {} - | ^^^ expected one of `async`, `extern`, `fn`, or `unsafe` + | ^^^ expected one of `async`, `extern`, `fn`, `safe`, or `unsafe` error: aborting due to 1 previous error diff --git a/tests/ui/parser/issues/issue-87217-keyword-order/const-async-const.rs b/tests/ui/parser/issues/issue-87217-keyword-order/const-async-const.rs index 694729376ba8..e6235b1e8923 100644 --- a/tests/ui/parser/issues/issue-87217-keyword-order/const-async-const.rs +++ b/tests/ui/parser/issues/issue-87217-keyword-order/const-async-const.rs @@ -3,8 +3,8 @@ // Test that even when `const` is already present, the proposed fix is to remove the second `const` const async const fn test() {} -//~^ ERROR expected one of `extern`, `fn`, or `unsafe`, found keyword `const` -//~| NOTE expected one of `extern`, `fn`, or `unsafe` +//~^ ERROR expected one of `extern`, `fn`, `safe`, or `unsafe`, found keyword `const` +//~| NOTE expected one of `extern`, `fn`, `safe`, or `unsafe` //~| HELP `const` already used earlier, remove this one //~| NOTE `const` first seen here //~| ERROR functions cannot be both `const` and `async` diff --git a/tests/ui/parser/issues/issue-87217-keyword-order/const-async-const.stderr b/tests/ui/parser/issues/issue-87217-keyword-order/const-async-const.stderr index 4c55179ce237..ed2e4d815492 100644 --- a/tests/ui/parser/issues/issue-87217-keyword-order/const-async-const.stderr +++ b/tests/ui/parser/issues/issue-87217-keyword-order/const-async-const.stderr @@ -1,10 +1,10 @@ -error: expected one of `extern`, `fn`, or `unsafe`, found keyword `const` +error: expected one of `extern`, `fn`, `safe`, or `unsafe`, found keyword `const` --> $DIR/const-async-const.rs:5:13 | LL | const async const fn test() {} | ^^^^^ | | - | expected one of `extern`, `fn`, or `unsafe` + | expected one of `extern`, `fn`, `safe`, or `unsafe` | help: `const` already used earlier, remove this one | note: `const` first seen here diff --git a/tests/ui/parser/issues/issue-87694-duplicated-pub.rs b/tests/ui/parser/issues/issue-87694-duplicated-pub.rs index e3ea61dc4ada..816c8ff2a9f5 100644 --- a/tests/ui/parser/issues/issue-87694-duplicated-pub.rs +++ b/tests/ui/parser/issues/issue-87694-duplicated-pub.rs @@ -1,5 +1,5 @@ pub const pub fn test() {} -//~^ ERROR expected one of `async`, `extern`, `fn`, or `unsafe`, found keyword `pub` -//~| NOTE expected one of `async`, `extern`, `fn`, or `unsafe` +//~^ ERROR expected one of `async`, `extern`, `fn`, `safe`, or `unsafe`, found keyword `pub` +//~| NOTE expected one of `async`, `extern`, `fn`, `safe`, or `unsafe` //~| HELP there is already a visibility modifier, remove one //~| NOTE explicit visibility first seen here diff --git a/tests/ui/parser/issues/issue-87694-duplicated-pub.stderr b/tests/ui/parser/issues/issue-87694-duplicated-pub.stderr index a210238652ab..dd75f32f68ff 100644 --- a/tests/ui/parser/issues/issue-87694-duplicated-pub.stderr +++ b/tests/ui/parser/issues/issue-87694-duplicated-pub.stderr @@ -1,10 +1,10 @@ -error: expected one of `async`, `extern`, `fn`, or `unsafe`, found keyword `pub` +error: expected one of `async`, `extern`, `fn`, `safe`, or `unsafe`, found keyword `pub` --> $DIR/issue-87694-duplicated-pub.rs:1:11 | LL | pub const pub fn test() {} | ^^^ | | - | expected one of `async`, `extern`, `fn`, or `unsafe` + | expected one of `async`, `extern`, `fn`, `safe`, or `unsafe` | help: there is already a visibility modifier, remove one | note: explicit visibility first seen here diff --git a/tests/ui/parser/issues/issue-87694-misplaced-pub.rs b/tests/ui/parser/issues/issue-87694-misplaced-pub.rs index 3f824617cade..b5b0bc5b2fc9 100644 --- a/tests/ui/parser/issues/issue-87694-misplaced-pub.rs +++ b/tests/ui/parser/issues/issue-87694-misplaced-pub.rs @@ -1,5 +1,5 @@ const pub fn test() {} -//~^ ERROR expected one of `async`, `extern`, `fn`, or `unsafe`, found keyword `pub` -//~| NOTE expected one of `async`, `extern`, `fn`, or `unsafe` +//~^ ERROR expected one of `async`, `extern`, `fn`, `safe`, or `unsafe`, found keyword `pub` +//~| NOTE expected one of `async`, `extern`, `fn`, `safe`, or `unsafe` //~| HELP visibility `pub` must come before `const` //~| SUGGESTION pub const diff --git a/tests/ui/parser/issues/issue-87694-misplaced-pub.stderr b/tests/ui/parser/issues/issue-87694-misplaced-pub.stderr index 6f686a7e5043..d35e09dceaf7 100644 --- a/tests/ui/parser/issues/issue-87694-misplaced-pub.stderr +++ b/tests/ui/parser/issues/issue-87694-misplaced-pub.stderr @@ -1,10 +1,10 @@ -error: expected one of `async`, `extern`, `fn`, or `unsafe`, found keyword `pub` +error: expected one of `async`, `extern`, `fn`, `safe`, or `unsafe`, found keyword `pub` --> $DIR/issue-87694-misplaced-pub.rs:1:7 | LL | const pub fn test() {} | ------^^^ | | | - | | expected one of `async`, `extern`, `fn`, or `unsafe` + | | expected one of `async`, `extern`, `fn`, `safe`, or `unsafe` | help: visibility `pub` must come before `const`: `pub const` error: aborting due to 1 previous error diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/safe-items.rs b/tests/ui/rust-2024/unsafe-extern-blocks/safe-items.rs new file mode 100644 index 000000000000..c26503a8d1d1 --- /dev/null +++ b/tests/ui/rust-2024/unsafe-extern-blocks/safe-items.rs @@ -0,0 +1,15 @@ +//@ revisions: edition2021 edition2024 +//@[edition2021] edition:2021 +//@[edition2024] edition:2024 +//@[edition2024] compile-flags: -Zunstable-options +//@ check-pass + +unsafe extern "C" { + safe fn test1(i: i32); +} + +fn test2(i: i32) { + test1(i); +} + +fn main() {} From 537ce5c8c6d4f592461ff883b95b61a14a4932ae Mon Sep 17 00:00:00 2001 From: Santiago Pastorino Date: Thu, 23 May 2024 10:01:05 -0300 Subject: [PATCH 0972/1716] Handle safety keyword for extern block inner items --- clippy_utils/src/ast_utils.rs | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/clippy_utils/src/ast_utils.rs b/clippy_utils/src/ast_utils.rs index bbdde3049dbd..14f9ef8966d6 100644 --- a/clippy_utils/src/ast_utils.rs +++ b/clippy_utils/src/ast_utils.rs @@ -451,13 +451,15 @@ pub fn eq_foreign_item_kind(l: &ForeignItemKind, r: &ForeignItemKind) -> bool { ty: lt, mutability: lm, expr: le, + safety: ls, }), Static(box StaticForeignItem { ty: rt, mutability: rm, expr: re, + safety: rs, }), - ) => lm == rm && eq_ty(lt, rt) && eq_expr_opt(le, re), + ) => lm == rm && eq_ty(lt, rt) && eq_expr_opt(le, re) && ls == rs, ( Fn(box ast::Fn { defaultness: ld, From b4cbdb7246c633ab0ebc6ae4bbe4883cde79e787 Mon Sep 17 00:00:00 2001 From: Santiago Pastorino Date: Mon, 27 May 2024 15:35:34 -0300 Subject: [PATCH 0973/1716] Fail when using safe/unsafe items inside unadorned extern blocks --- compiler/rustc_ast_passes/messages.ftl | 3 + .../rustc_ast_passes/src/ast_validation.rs | 66 +++++++++++++------ compiler/rustc_ast_passes/src/errors.rs | 9 +++ tests/ui/parser/fn-header-semantic-fail.rs | 3 +- .../ui/parser/fn-header-semantic-fail.stderr | 20 +++++- .../ui/parser/no-const-fn-in-extern-block.rs | 1 + .../parser/no-const-fn-in-extern-block.stderr | 11 +++- .../safe-unsafe-on-unadorned-extern-block.rs | 10 +++ ...fe-unsafe-on-unadorned-extern-block.stderr | 10 +++ 9 files changed, 111 insertions(+), 22 deletions(-) create mode 100644 tests/ui/rust-2024/unsafe-extern-blocks/safe-unsafe-on-unadorned-extern-block.rs create mode 100644 tests/ui/rust-2024/unsafe-extern-blocks/safe-unsafe-on-unadorned-extern-block.stderr diff --git a/compiler/rustc_ast_passes/messages.ftl b/compiler/rustc_ast_passes/messages.ftl index 3a4c95b250c3..b90b502c22b8 100644 --- a/compiler/rustc_ast_passes/messages.ftl +++ b/compiler/rustc_ast_passes/messages.ftl @@ -67,6 +67,9 @@ ast_passes_extern_fn_qualifiers = functions in `extern` blocks cannot have quali .label = in this `extern` block .suggestion = remove this qualifier +ast_passes_extern_invalid_safety = items in unadorned `extern` blocks cannot have safety qualifiers + .suggestion = add unsafe to this `extern` block + ast_passes_extern_item_ascii = items in `extern` blocks cannot use non-ascii identifiers .label = in this `extern` block .note = this limitation may be lifted in the future; see issue #83942 for more information diff --git a/compiler/rustc_ast_passes/src/ast_validation.rs b/compiler/rustc_ast_passes/src/ast_validation.rs index 29097f7f6afd..a9f06230fafc 100644 --- a/compiler/rustc_ast_passes/src/ast_validation.rs +++ b/compiler/rustc_ast_passes/src/ast_validation.rs @@ -87,6 +87,9 @@ struct AstValidator<'a> { /// or `Foo::Bar` is_impl_trait_banned: bool, + /// Used to ban explicit safety on foreign items when the extern block is not marked as unsafe. + extern_mod_safety: Option, + lint_buffer: &'a mut LintBuffer, } @@ -117,6 +120,12 @@ impl<'a> AstValidator<'a> { self.outer_trait_or_trait_impl = old; } + fn with_in_extern_mod(&mut self, extern_mod_safety: Safety, f: impl FnOnce(&mut Self)) { + let old = mem::replace(&mut self.extern_mod_safety, Some(extern_mod_safety)); + f(self); + self.extern_mod_safety = old; + } + fn with_banned_impl_trait(&mut self, f: impl FnOnce(&mut Self)) { let old = mem::replace(&mut self.is_impl_trait_banned, true); f(self); @@ -430,6 +439,20 @@ impl<'a> AstValidator<'a> { } } + fn check_foreign_item_safety(&self, item_span: Span, safety: Safety) { + match safety { + Safety::Unsafe(_) | Safety::Safe(_) + if self.extern_mod_safety == Some(Safety::Default) => + { + self.dcx().emit_err(errors::InvalidSafetyOnExtern { + item_span, + block: self.current_extern_span(), + }); + } + _ => {} + } + } + fn check_defaultness(&self, span: Span, defaultness: Defaultness) { if let Defaultness::Default(def_span) = defaultness { let span = self.session.source_map().guess_head_span(span); @@ -1014,26 +1037,28 @@ impl<'a> Visitor<'a> for AstValidator<'a> { return; // Avoid visiting again. } ItemKind::ForeignMod(ForeignMod { abi, safety, .. }) => { - let old_item = mem::replace(&mut self.extern_mod, Some(item)); - self.visibility_not_permitted( - &item.vis, - errors::VisibilityNotPermittedNote::IndividualForeignItems, - ); - - if &Safety::Default == safety { - self.lint_buffer.buffer_lint( - MISSING_UNSAFE_ON_EXTERN, - item.id, - item.span, - BuiltinLintDiag::MissingUnsafeOnExtern, + self.with_in_extern_mod(*safety, |this| { + let old_item = mem::replace(&mut this.extern_mod, Some(item)); + this.visibility_not_permitted( + &item.vis, + errors::VisibilityNotPermittedNote::IndividualForeignItems, ); - } - if abi.is_none() { - self.maybe_lint_missing_abi(item.span, item.id); - } - visit::walk_item(self, item); - self.extern_mod = old_item; + if &Safety::Default == safety { + this.lint_buffer.buffer_lint( + MISSING_UNSAFE_ON_EXTERN, + item.id, + item.span, + BuiltinLintDiag::MissingUnsafeOnExtern, + ); + } + + if abi.is_none() { + this.maybe_lint_missing_abi(item.span, item.id); + } + visit::walk_item(this, item); + this.extern_mod = old_item; + }); return; // Avoid visiting again. } ItemKind::Enum(def, _) => { @@ -1165,6 +1190,7 @@ impl<'a> Visitor<'a> for AstValidator<'a> { fn visit_foreign_item(&mut self, fi: &'a ForeignItem) { match &fi.kind { ForeignItemKind::Fn(box Fn { defaultness, sig, body, .. }) => { + self.check_foreign_item_safety(fi.span, sig.header.safety); self.check_defaultness(fi.span, *defaultness); self.check_foreign_fn_bodyless(fi.ident, body.as_deref()); self.check_foreign_fn_headerless(sig.header); @@ -1184,7 +1210,8 @@ impl<'a> Visitor<'a> for AstValidator<'a> { self.check_foreign_ty_genericless(generics, where_clauses); self.check_foreign_item_ascii_only(fi.ident); } - ForeignItemKind::Static(box StaticForeignItem { expr, .. }) => { + ForeignItemKind::Static(box StaticForeignItem { expr, safety, .. }) => { + self.check_foreign_item_safety(fi.span, *safety); self.check_foreign_kind_bodyless(fi.ident, "static", expr.as_ref().map(|b| b.span)); self.check_foreign_item_ascii_only(fi.ident); } @@ -1740,6 +1767,7 @@ pub fn check_crate( outer_impl_trait: None, disallow_tilde_const: Some(DisallowTildeConstContext::Item), is_impl_trait_banned: false, + extern_mod_safety: None, lint_buffer: lints, }; visit::walk_crate(&mut validator, krate); diff --git a/compiler/rustc_ast_passes/src/errors.rs b/compiler/rustc_ast_passes/src/errors.rs index c07fbe5b0166..05e99a3d6361 100644 --- a/compiler/rustc_ast_passes/src/errors.rs +++ b/compiler/rustc_ast_passes/src/errors.rs @@ -216,6 +216,15 @@ pub enum ExternBlockSuggestion { }, } +#[derive(Diagnostic)] +#[diag(ast_passes_extern_invalid_safety)] +pub struct InvalidSafetyOnExtern { + #[primary_span] + pub item_span: Span, + #[suggestion(code = "", applicability = "maybe-incorrect")] + pub block: Span, +} + #[derive(Diagnostic)] #[diag(ast_passes_bound_in_context)] pub struct BoundInContext<'a> { diff --git a/tests/ui/parser/fn-header-semantic-fail.rs b/tests/ui/parser/fn-header-semantic-fail.rs index 3b98433cdd82..5907ac052604 100644 --- a/tests/ui/parser/fn-header-semantic-fail.rs +++ b/tests/ui/parser/fn-header-semantic-fail.rs @@ -44,7 +44,7 @@ fn main() { extern "C" { async fn fe1(); //~ ERROR functions in `extern` blocks cannot have qualifiers - unsafe fn fe2(); + unsafe fn fe2(); //~ ERROR items in unadorned `extern` blocks cannot have safety qualifiers const fn fe3(); //~ ERROR functions in `extern` blocks cannot have qualifiers extern "C" fn fe4(); //~ ERROR functions in `extern` blocks cannot have qualifiers const async unsafe extern "C" fn fe5(); @@ -52,5 +52,6 @@ fn main() { //~| ERROR functions in `extern` blocks //~| ERROR functions in `extern` blocks //~| ERROR functions cannot be both `const` and `async` + //~| ERROR items in unadorned `extern` blocks cannot have safety qualifiers } } diff --git a/tests/ui/parser/fn-header-semantic-fail.stderr b/tests/ui/parser/fn-header-semantic-fail.stderr index dc2a216754d2..abaa6527b0aa 100644 --- a/tests/ui/parser/fn-header-semantic-fail.stderr +++ b/tests/ui/parser/fn-header-semantic-fail.stderr @@ -78,6 +78,15 @@ LL | extern "C" { LL | async fn fe1(); | ^^^^^ help: remove this qualifier +error: items in unadorned `extern` blocks cannot have safety qualifiers + --> $DIR/fn-header-semantic-fail.rs:47:9 + | +LL | extern "C" { + | ---------- help: add unsafe to this `extern` block +LL | async fn fe1(); +LL | unsafe fn fe2(); + | ^^^^^^^^^^^^^^^^ + error: functions in `extern` blocks cannot have qualifiers --> $DIR/fn-header-semantic-fail.rs:48:9 | @@ -96,6 +105,15 @@ LL | extern "C" { LL | extern "C" fn fe4(); | ^^^^^^^^^^ help: remove this qualifier +error: items in unadorned `extern` blocks cannot have safety qualifiers + --> $DIR/fn-header-semantic-fail.rs:50:9 + | +LL | extern "C" { + | ---------- help: add unsafe to this `extern` block +... +LL | const async unsafe extern "C" fn fe5(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + error: functions in `extern` blocks cannot have qualifiers --> $DIR/fn-header-semantic-fail.rs:50:15 | @@ -132,6 +150,6 @@ LL | const async unsafe extern "C" fn fe5(); | | `async` because of this | `const` because of this -error: aborting due to 15 previous errors +error: aborting due to 17 previous errors For more information about this error, try `rustc --explain E0379`. diff --git a/tests/ui/parser/no-const-fn-in-extern-block.rs b/tests/ui/parser/no-const-fn-in-extern-block.rs index 1993124edc39..3ad9ba006d3d 100644 --- a/tests/ui/parser/no-const-fn-in-extern-block.rs +++ b/tests/ui/parser/no-const-fn-in-extern-block.rs @@ -3,6 +3,7 @@ extern "C" { //~^ ERROR functions in `extern` blocks cannot have qualifiers const unsafe fn bar(); //~^ ERROR functions in `extern` blocks cannot have qualifiers + //~| ERROR items in unadorned `extern` blocks cannot have safety qualifiers } fn main() {} diff --git a/tests/ui/parser/no-const-fn-in-extern-block.stderr b/tests/ui/parser/no-const-fn-in-extern-block.stderr index 2dec6f769310..892024ce8934 100644 --- a/tests/ui/parser/no-const-fn-in-extern-block.stderr +++ b/tests/ui/parser/no-const-fn-in-extern-block.stderr @@ -6,6 +6,15 @@ LL | extern "C" { LL | const fn foo(); | ^^^^^ help: remove this qualifier +error: items in unadorned `extern` blocks cannot have safety qualifiers + --> $DIR/no-const-fn-in-extern-block.rs:4:5 + | +LL | extern "C" { + | ---------- help: add unsafe to this `extern` block +... +LL | const unsafe fn bar(); + | ^^^^^^^^^^^^^^^^^^^^^^ + error: functions in `extern` blocks cannot have qualifiers --> $DIR/no-const-fn-in-extern-block.rs:4:5 | @@ -15,5 +24,5 @@ LL | extern "C" { LL | const unsafe fn bar(); | ^^^^^ help: remove this qualifier -error: aborting due to 2 previous errors +error: aborting due to 3 previous errors diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/safe-unsafe-on-unadorned-extern-block.rs b/tests/ui/rust-2024/unsafe-extern-blocks/safe-unsafe-on-unadorned-extern-block.rs new file mode 100644 index 000000000000..7c184d092f0d --- /dev/null +++ b/tests/ui/rust-2024/unsafe-extern-blocks/safe-unsafe-on-unadorned-extern-block.rs @@ -0,0 +1,10 @@ +extern "C" { + safe fn test1(i: i32); + //~^ ERROR items in unadorned `extern` blocks cannot have safety qualifiers +} + +fn test2(i: i32) { + test1(i); +} + +fn main() {} diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/safe-unsafe-on-unadorned-extern-block.stderr b/tests/ui/rust-2024/unsafe-extern-blocks/safe-unsafe-on-unadorned-extern-block.stderr new file mode 100644 index 000000000000..d96757a17c23 --- /dev/null +++ b/tests/ui/rust-2024/unsafe-extern-blocks/safe-unsafe-on-unadorned-extern-block.stderr @@ -0,0 +1,10 @@ +error: items in unadorned `extern` blocks cannot have safety qualifiers + --> $DIR/safe-unsafe-on-unadorned-extern-block.rs:2:5 + | +LL | extern "C" { + | ---------- help: add unsafe to this `extern` block +LL | safe fn test1(i: i32); + | ^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 1 previous error + From bac72cf7cf823bbf10e7d093a8225490bf8d1350 Mon Sep 17 00:00:00 2001 From: Santiago Pastorino Date: Tue, 7 May 2024 14:43:23 +0200 Subject: [PATCH 0974/1716] Add safe/unsafe to static inside extern blocks --- compiler/rustc_ast/src/ast.rs | 4 +++- compiler/rustc_ast/src/mut_visit.rs | 2 +- compiler/rustc_ast/src/visit.rs | 2 +- compiler/rustc_ast_lowering/src/item.rs | 2 +- .../rustc_ast_pretty/src/pprust/state/item.rs | 3 ++- .../rustc_const_eval/src/interpret/intern.rs | 2 +- .../rustc_const_eval/src/interpret/validity.rs | 4 +++- compiler/rustc_expand/src/build.rs | 5 ++++- compiler/rustc_hir/src/def.rs | 2 ++ compiler/rustc_hir_analysis/src/check/errs.rs | 3 ++- compiler/rustc_metadata/src/rmeta/table.rs | 12 ++++++++---- compiler/rustc_middle/src/hir/map/mod.rs | 4 +++- compiler/rustc_middle/src/mir/pretty.rs | 4 ++-- compiler/rustc_mir_build/src/check_unsafety.rs | 6 +++++- compiler/rustc_parse/src/parser/item.rs | 18 +++++++++++++----- compiler/rustc_resolve/src/def_collector.rs | 18 +++++++++++++++--- .../passes/collect_intra_doc_links.rs | 8 ++++++-- src/tools/clippy/clippy_utils/src/ast_utils.rs | 4 +++- .../extern-items-unsafe.edition2021.stderr | 16 ++++++++++++---- .../extern-items-unsafe.edition2024.stderr | 16 ++++++++++++---- .../extern-items-unsafe.rs | 10 ++++++---- .../unsafe-extern-blocks/safe-items.rs | 5 +++-- .../safe-unsafe-on-unadorned-extern-block.rs | 6 ++++-- ...afe-unsafe-on-unadorned-extern-block.stderr | 11 ++++++++++- .../unsafe-items.edition2021.stderr | 16 ++++++++++++---- .../unsafe-items.edition2024.stderr | 16 ++++++++++++---- .../unsafe-extern-blocks/unsafe-items.rs | 10 ++++++---- 27 files changed, 152 insertions(+), 57 deletions(-) diff --git a/compiler/rustc_ast/src/ast.rs b/compiler/rustc_ast/src/ast.rs index 042c31fc70f7..910fbb876974 100644 --- a/compiler/rustc_ast/src/ast.rs +++ b/compiler/rustc_ast/src/ast.rs @@ -3164,6 +3164,7 @@ pub struct DelegationMac { #[derive(Clone, Encodable, Decodable, Debug)] pub struct StaticItem { pub ty: P, + pub safety: Safety, pub mutability: Mutability, pub expr: Option>, } @@ -3182,7 +3183,7 @@ impl From for StaticForeignItem { fn from(static_item: StaticItem) -> StaticForeignItem { StaticForeignItem { ty: static_item.ty, - safety: Safety::Default, + safety: static_item.safety, mutability: static_item.mutability, expr: static_item.expr, } @@ -3193,6 +3194,7 @@ impl From for StaticItem { fn from(static_item: StaticForeignItem) -> StaticItem { StaticItem { ty: static_item.ty, + safety: static_item.safety, mutability: static_item.mutability, expr: static_item.expr, } diff --git a/compiler/rustc_ast/src/mut_visit.rs b/compiler/rustc_ast/src/mut_visit.rs index c6814df28400..a04c648ac731 100644 --- a/compiler/rustc_ast/src/mut_visit.rs +++ b/compiler/rustc_ast/src/mut_visit.rs @@ -1080,7 +1080,7 @@ impl NoopVisitItemKind for ItemKind { match self { ItemKind::ExternCrate(_orig_name) => {} ItemKind::Use(use_tree) => vis.visit_use_tree(use_tree), - ItemKind::Static(box StaticItem { ty, mutability: _, expr }) => { + ItemKind::Static(box StaticItem { ty, safety: _, mutability: _, expr }) => { vis.visit_ty(ty); visit_opt(expr, |expr| vis.visit_expr(expr)); } diff --git a/compiler/rustc_ast/src/visit.rs b/compiler/rustc_ast/src/visit.rs index ccf9f99757e3..de285aed1656 100644 --- a/compiler/rustc_ast/src/visit.rs +++ b/compiler/rustc_ast/src/visit.rs @@ -334,7 +334,7 @@ impl WalkItemKind for ItemKind { match self { ItemKind::ExternCrate(_) => {} ItemKind::Use(use_tree) => try_visit!(visitor.visit_use_tree(use_tree, item.id, false)), - ItemKind::Static(box StaticItem { ty, mutability: _, expr }) => { + ItemKind::Static(box StaticItem { ty, safety: _, mutability: _, expr }) => { try_visit!(visitor.visit_ty(ty)); visit_opt!(visitor, visit_expr, expr); } diff --git a/compiler/rustc_ast_lowering/src/item.rs b/compiler/rustc_ast_lowering/src/item.rs index 70bf74e5234d..8c963e9f8907 100644 --- a/compiler/rustc_ast_lowering/src/item.rs +++ b/compiler/rustc_ast_lowering/src/item.rs @@ -181,7 +181,7 @@ impl<'hir> LoweringContext<'_, 'hir> { self.lower_use_tree(use_tree, &prefix, id, vis_span, ident, attrs) } - ItemKind::Static(box ast::StaticItem { ty: t, mutability: m, expr: e }) => { + ItemKind::Static(box ast::StaticItem { ty: t, safety: _, mutability: m, expr: e }) => { let (ty, body_id) = self.lower_const_item(t, span, e.as_deref(), ImplTraitPosition::StaticTy); hir::ItemKind::Static(ty, *m, body_id) diff --git a/compiler/rustc_ast_pretty/src/pprust/state/item.rs b/compiler/rustc_ast_pretty/src/pprust/state/item.rs index 5855972e8c5a..474741fb0677 100644 --- a/compiler/rustc_ast_pretty/src/pprust/state/item.rs +++ b/compiler/rustc_ast_pretty/src/pprust/state/item.rs @@ -171,7 +171,8 @@ impl<'a> State<'a> { self.print_use_tree(tree); self.word(";"); } - ast::ItemKind::Static(box StaticItem { ty, mutability: mutbl, expr: body }) => { + ast::ItemKind::Static(box StaticItem { ty, safety, mutability: mutbl, expr: body }) => { + self.print_safety(*safety); self.print_item_const( item.ident, Some(*mutbl), diff --git a/compiler/rustc_const_eval/src/interpret/intern.rs b/compiler/rustc_const_eval/src/interpret/intern.rs index 8d0b267e1a9c..3066e0933d94 100644 --- a/compiler/rustc_const_eval/src/interpret/intern.rs +++ b/compiler/rustc_const_eval/src/interpret/intern.rs @@ -102,7 +102,7 @@ fn intern_as_new_static<'tcx>( let feed = tcx.create_def( static_id, sym::nested, - DefKind::Static { mutability: alloc.0.mutability, nested: true }, + DefKind::Static { safety: hir::Safety::Safe, mutability: alloc.0.mutability, nested: true }, ); tcx.set_nested_alloc_id_static(alloc_id, feed.def_id()); diff --git a/compiler/rustc_const_eval/src/interpret/validity.rs b/compiler/rustc_const_eval/src/interpret/validity.rs index e35ce9ef28d6..3407c7b8c792 100644 --- a/compiler/rustc_const_eval/src/interpret/validity.rs +++ b/compiler/rustc_const_eval/src/interpret/validity.rs @@ -711,7 +711,9 @@ fn mutability<'tcx>(ecx: &InterpCx<'tcx, impl Machine<'tcx>>, alloc_id: AllocId) // We're not using `try_global_alloc` since dangling pointers have already been handled. match ecx.tcx.global_alloc(alloc_id) { GlobalAlloc::Static(did) => { - let DefKind::Static { mutability, nested } = ecx.tcx.def_kind(did) else { bug!() }; + let DefKind::Static { safety: _, mutability, nested } = ecx.tcx.def_kind(did) else { + bug!() + }; if nested { assert!( ecx.memory.alloc_map.get(alloc_id).is_none(), diff --git a/compiler/rustc_expand/src/build.rs b/compiler/rustc_expand/src/build.rs index 1b6e191c2eb0..b3d41908260e 100644 --- a/compiler/rustc_expand/src/build.rs +++ b/compiler/rustc_expand/src/build.rs @@ -631,7 +631,10 @@ impl<'a> ExtCtxt<'a> { span, name, AttrVec::new(), - ast::ItemKind::Static(ast::StaticItem { ty, mutability, expr: Some(expr) }.into()), + ast::ItemKind::Static( + ast::StaticItem { ty, safety: ast::Safety::Default, mutability, expr: Some(expr) } + .into(), + ), ) } diff --git a/compiler/rustc_hir/src/def.rs b/compiler/rustc_hir/src/def.rs index 649a08b6972f..b1854923247f 100644 --- a/compiler/rustc_hir/src/def.rs +++ b/compiler/rustc_hir/src/def.rs @@ -76,6 +76,8 @@ pub enum DefKind { /// Constant generic parameter: `struct Foo { ... }` ConstParam, Static { + /// Whether it's a `unsafe static`, `safe static` (inside extern only) or just a `static`. + safety: hir::Safety, /// Whether it's a `static mut` or just a `static`. mutability: ast::Mutability, /// Whether it's an anonymous static generated for nested allocations. diff --git a/compiler/rustc_hir_analysis/src/check/errs.rs b/compiler/rustc_hir_analysis/src/check/errs.rs index a49626eed35a..2cdcc06f53c0 100644 --- a/compiler/rustc_hir_analysis/src/check/errs.rs +++ b/compiler/rustc_hir_analysis/src/check/errs.rs @@ -41,7 +41,8 @@ fn path_if_static_mut(tcx: TyCtxt<'_>, expr: &hir::Expr<'_>) -> Option { if let hir::ExprKind::Path(qpath) = expr.kind && let hir::QPath::Resolved(_, path) = qpath && let hir::def::Res::Def(def_kind, _) = path.res - && let hir::def::DefKind::Static { mutability: Mutability::Mut, nested: false } = def_kind + && let hir::def::DefKind::Static { safety: _, mutability: Mutability::Mut, nested: false } = + def_kind { return Some(qpath_to_string(&tcx, &qpath)); } diff --git a/compiler/rustc_metadata/src/rmeta/table.rs b/compiler/rustc_metadata/src/rmeta/table.rs index 23a6ceb4d3e5..dcbddad2dbca 100644 --- a/compiler/rustc_metadata/src/rmeta/table.rs +++ b/compiler/rustc_metadata/src/rmeta/table.rs @@ -156,10 +156,14 @@ fixed_size_enum! { ( Impl { of_trait: false } ) ( Impl { of_trait: true } ) ( Closure ) - ( Static { mutability: ast::Mutability::Not, nested: false } ) - ( Static { mutability: ast::Mutability::Mut, nested: false } ) - ( Static { mutability: ast::Mutability::Not, nested: true } ) - ( Static { mutability: ast::Mutability::Mut, nested: true } ) + ( Static { safety: hir::Safety::Unsafe, mutability: ast::Mutability::Not, nested: false } ) + ( Static { safety: hir::Safety::Safe, mutability: ast::Mutability::Not, nested: false } ) + ( Static { safety: hir::Safety::Unsafe, mutability: ast::Mutability::Mut, nested: false } ) + ( Static { safety: hir::Safety::Safe, mutability: ast::Mutability::Mut, nested: false } ) + ( Static { safety: hir::Safety::Unsafe, mutability: ast::Mutability::Not, nested: true } ) + ( Static { safety: hir::Safety::Safe, mutability: ast::Mutability::Not, nested: true } ) + ( Static { safety: hir::Safety::Unsafe, mutability: ast::Mutability::Mut, nested: true } ) + ( Static { safety: hir::Safety::Safe, mutability: ast::Mutability::Mut, nested: true } ) ( Ctor(CtorOf::Struct, CtorKind::Fn) ) ( Ctor(CtorOf::Struct, CtorKind::Const) ) ( Ctor(CtorOf::Variant, CtorKind::Fn) ) diff --git a/compiler/rustc_middle/src/hir/map/mod.rs b/compiler/rustc_middle/src/hir/map/mod.rs index c7431f377ac3..0b3423fc1bc0 100644 --- a/compiler/rustc_middle/src/hir/map/mod.rs +++ b/compiler/rustc_middle/src/hir/map/mod.rs @@ -305,7 +305,9 @@ impl<'hir> Map<'hir> { DefKind::InlineConst => BodyOwnerKind::Const { inline: true }, DefKind::Ctor(..) | DefKind::Fn | DefKind::AssocFn => BodyOwnerKind::Fn, DefKind::Closure => BodyOwnerKind::Closure, - DefKind::Static { mutability, nested: false } => BodyOwnerKind::Static(mutability), + DefKind::Static { safety: _, mutability, nested: false } => { + BodyOwnerKind::Static(mutability) + } dk => bug!("{:?} is not a body node: {:?}", def_id, dk), } } diff --git a/compiler/rustc_middle/src/mir/pretty.rs b/compiler/rustc_middle/src/mir/pretty.rs index f1c79c0b0391..978c15f4d73c 100644 --- a/compiler/rustc_middle/src/mir/pretty.rs +++ b/compiler/rustc_middle/src/mir/pretty.rs @@ -559,10 +559,10 @@ fn write_mir_sig(tcx: TyCtxt<'_>, body: &Body<'_>, w: &mut dyn io::Write) -> io: match (kind, body.source.promoted) { (_, Some(_)) => write!(w, "const ")?, // promoteds are the closest to consts (DefKind::Const | DefKind::AssocConst, _) => write!(w, "const ")?, - (DefKind::Static { mutability: hir::Mutability::Not, nested: false }, _) => { + (DefKind::Static { safety: _, mutability: hir::Mutability::Not, nested: false }, _) => { write!(w, "static ")? } - (DefKind::Static { mutability: hir::Mutability::Mut, nested: false }, _) => { + (DefKind::Static { safety: _, mutability: hir::Mutability::Mut, nested: false }, _) => { write!(w, "static mut ")? } (_, _) if is_function => write!(w, "fn ")?, diff --git a/compiler/rustc_mir_build/src/check_unsafety.rs b/compiler/rustc_mir_build/src/check_unsafety.rs index 659ae1724603..5517fc3fd942 100644 --- a/compiler/rustc_mir_build/src/check_unsafety.rs +++ b/compiler/rustc_mir_build/src/check_unsafety.rs @@ -2,6 +2,7 @@ use crate::build::ExprCategory; use crate::errors::*; use rustc_errors::DiagArgValue; +use rustc_hir::def::DefKind; use rustc_hir::{self as hir, BindingMode, ByRef, HirId, Mutability}; use rustc_middle::mir::BorrowKind; use rustc_middle::span_bug; @@ -456,7 +457,10 @@ impl<'a, 'tcx> Visitor<'a, 'tcx> for UnsafetyVisitor<'a, 'tcx> { if self.tcx.is_mutable_static(def_id) { self.requires_unsafe(expr.span, UseOfMutableStatic); } else if self.tcx.is_foreign_item(def_id) { - self.requires_unsafe(expr.span, UseOfExternStatic); + match self.tcx.def_kind(def_id) { + DefKind::Static { safety: hir::Safety::Safe, .. } => {} + _ => self.requires_unsafe(expr.span, UseOfExternStatic), + } } } else if self.thir[arg].ty.is_unsafe_ptr() { self.requires_unsafe(expr.span, DerefOfRawPointer); diff --git a/compiler/rustc_parse/src/parser/item.rs b/compiler/rustc_parse/src/parser/item.rs index 4989985bb10c..37c99958fc88 100644 --- a/compiler/rustc_parse/src/parser/item.rs +++ b/compiler/rustc_parse/src/parser/item.rs @@ -226,10 +226,11 @@ impl<'a> Parser<'a> { self.expect_keyword(kw::Extern)?; self.parse_item_foreign_mod(attrs, safety)? } else if self.is_static_global() { + let safety = self.parse_safety(Case::Sensitive); // STATIC ITEM self.bump(); // `static` let mutability = self.parse_mutability(); - let (ident, item) = self.parse_static_item(mutability)?; + let (ident, item) = self.parse_static_item(safety, mutability)?; (ident, ItemKind::Static(Box::new(item))) } else if let Const::Yes(const_span) = self.parse_constness(Case::Sensitive) { // CONST ITEM @@ -952,7 +953,7 @@ impl<'a> Parser<'a> { let kind = match AssocItemKind::try_from(kind) { Ok(kind) => kind, Err(kind) => match kind { - ItemKind::Static(box StaticItem { ty, mutability: _, expr }) => { + ItemKind::Static(box StaticItem { ty, safety: _, mutability: _, expr }) => { self.dcx().emit_err(errors::AssociatedStaticItemNotAllowed { span }); AssocItemKind::Const(Box::new(ConstItem { defaultness: Defaultness::Final, @@ -1259,7 +1260,10 @@ impl<'a> Parser<'a> { matches!(token.kind, token::BinOp(token::Or) | token::OrOr) }) } else { - false + let quals: &[Symbol] = &[kw::Unsafe, kw::Safe]; + // `$qual static` + quals.iter().any(|&kw| self.check_keyword(kw)) + && self.look_ahead(1, |t| t.is_keyword(kw::Static)) } } @@ -1320,7 +1324,11 @@ impl<'a> Parser<'a> { /// ```ebnf /// Static = "static" "mut"? $ident ":" $ty (= $expr)? ";" ; /// ``` - fn parse_static_item(&mut self, mutability: Mutability) -> PResult<'a, (Ident, StaticItem)> { + fn parse_static_item( + &mut self, + safety: Safety, + mutability: Mutability, + ) -> PResult<'a, (Ident, StaticItem)> { let ident = self.parse_ident()?; if self.token.kind == TokenKind::Lt && self.may_recover() { @@ -1341,7 +1349,7 @@ impl<'a> Parser<'a> { self.expect_semi()?; - Ok((ident, StaticItem { ty, mutability, expr })) + Ok((ident, StaticItem { ty, safety, mutability, expr })) } /// Parse a constant item with the prefix `"const"` already parsed. diff --git a/compiler/rustc_resolve/src/def_collector.rs b/compiler/rustc_resolve/src/def_collector.rs index 6d506059ad85..d7416ead325d 100644 --- a/compiler/rustc_resolve/src/def_collector.rs +++ b/compiler/rustc_resolve/src/def_collector.rs @@ -2,6 +2,7 @@ use crate::{ImplTraitContext, Resolver}; use rustc_ast::visit::FnKind; use rustc_ast::*; use rustc_expand::expand::AstFragment; +use rustc_hir as hir; use rustc_hir::def::{CtorKind, CtorOf, DefKind}; use rustc_hir::def_id::LocalDefId; use rustc_span::hygiene::LocalExpnId; @@ -128,7 +129,11 @@ impl<'a, 'b, 'tcx> visit::Visitor<'a> for DefCollector<'a, 'b, 'tcx> { ItemKind::Union(..) => DefKind::Union, ItemKind::ExternCrate(..) => DefKind::ExternCrate, ItemKind::TyAlias(..) => DefKind::TyAlias, - ItemKind::Static(s) => DefKind::Static { mutability: s.mutability, nested: false }, + ItemKind::Static(s) => DefKind::Static { + safety: hir::Safety::Safe, + mutability: s.mutability, + nested: false, + }, ItemKind::Const(..) => DefKind::Const, ItemKind::Fn(..) | ItemKind::Delegation(..) => DefKind::Fn, ItemKind::MacroDef(..) => { @@ -215,8 +220,15 @@ impl<'a, 'b, 'tcx> visit::Visitor<'a> for DefCollector<'a, 'b, 'tcx> { ty: _, mutability, expr: _, - safety: _, - }) => DefKind::Static { mutability, nested: false }, + safety, + }) => { + let safety = match safety { + ast::Safety::Unsafe(_) | ast::Safety::Default => hir::Safety::Unsafe, + ast::Safety::Safe(_) => hir::Safety::Safe, + }; + + DefKind::Static { safety, mutability, nested: false } + } ForeignItemKind::Fn(_) => DefKind::Fn, ForeignItemKind::TyAlias(_) => DefKind::ForeignTy, ForeignItemKind::MacCall(_) => return self.visit_macro_invoc(fi.id), diff --git a/src/librustdoc/passes/collect_intra_doc_links.rs b/src/librustdoc/passes/collect_intra_doc_links.rs index 8ab24a8c12e5..440b02a1fa75 100644 --- a/src/librustdoc/passes/collect_intra_doc_links.rs +++ b/src/librustdoc/passes/collect_intra_doc_links.rs @@ -12,7 +12,7 @@ use rustc_errors::{Applicability, Diag, DiagMessage}; use rustc_hir::def::Namespace::*; use rustc_hir::def::{DefKind, Namespace, PerNS}; use rustc_hir::def_id::{DefId, CRATE_DEF_ID}; -use rustc_hir::Mutability; +use rustc_hir::{Mutability, Safety}; use rustc_middle::ty::{Ty, TyCtxt}; use rustc_middle::{bug, span_bug, ty}; use rustc_resolve::rustdoc::{has_primitive_or_keyword_docs, prepare_to_doc_link_resolution}; @@ -1517,7 +1517,11 @@ impl Disambiguator { "union" => Kind(DefKind::Union), "module" | "mod" => Kind(DefKind::Mod), "const" | "constant" => Kind(DefKind::Const), - "static" => Kind(DefKind::Static { mutability: Mutability::Not, nested: false }), + "static" => Kind(DefKind::Static { + mutability: Mutability::Not, + nested: false, + safety: Safety::Safe, + }), "function" | "fn" | "method" => Kind(DefKind::Fn), "derive" => Kind(DefKind::Macro(MacroKind::Derive)), "type" => NS(Namespace::TypeNS), diff --git a/src/tools/clippy/clippy_utils/src/ast_utils.rs b/src/tools/clippy/clippy_utils/src/ast_utils.rs index 14f9ef8966d6..c70f5c2df842 100644 --- a/src/tools/clippy/clippy_utils/src/ast_utils.rs +++ b/src/tools/clippy/clippy_utils/src/ast_utils.rs @@ -308,13 +308,15 @@ pub fn eq_item_kind(l: &ItemKind, r: &ItemKind) -> bool { ty: lt, mutability: lm, expr: le, + safety: ls, }), Static(box StaticItem { ty: rt, mutability: rm, expr: re, + safety: rs, }), - ) => lm == rm && eq_ty(lt, rt) && eq_expr_opt(le, re), + ) => lm == rm && ls == rs && eq_ty(lt, rt) && eq_expr_opt(le, re), ( Const(box ConstItem { defaultness: ld, diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.edition2021.stderr b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.edition2021.stderr index a94f8d742360..77554da10e60 100644 --- a/tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.edition2021.stderr +++ b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.edition2021.stderr @@ -1,11 +1,19 @@ error[E0133]: call to unsafe function `test1` is unsafe and requires unsafe function or block - --> $DIR/extern-items-unsafe.rs:11:5 + --> $DIR/extern-items-unsafe.rs:12:5 | -LL | test1(i); - | ^^^^^^^^ call to unsafe function +LL | test1(TEST1); + | ^^^^^^^^^^^^ call to unsafe function | = note: consult the function's documentation for information on how to avoid undefined behavior -error: aborting due to 1 previous error +error[E0133]: use of extern static is unsafe and requires unsafe function or block + --> $DIR/extern-items-unsafe.rs:12:11 + | +LL | test1(TEST1); + | ^^^^^ use of extern static + | + = note: extern statics are not controlled by the Rust type system: invalid data, aliasing violations or data races will cause undefined behavior + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0133`. diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.edition2024.stderr b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.edition2024.stderr index c187dac1152b..33b752782d59 100644 --- a/tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.edition2024.stderr +++ b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.edition2024.stderr @@ -1,11 +1,19 @@ error[E0133]: call to unsafe function `test1` is unsafe and requires unsafe block - --> $DIR/extern-items-unsafe.rs:11:5 + --> $DIR/extern-items-unsafe.rs:12:5 | -LL | test1(i); - | ^^^^^^^^ call to unsafe function +LL | test1(TEST1); + | ^^^^^^^^^^^^ call to unsafe function | = note: consult the function's documentation for information on how to avoid undefined behavior -error: aborting due to 1 previous error +error[E0133]: use of extern static is unsafe and requires unsafe block + --> $DIR/extern-items-unsafe.rs:12:11 + | +LL | test1(TEST1); + | ^^^^^ use of extern static + | + = note: extern statics are not controlled by the Rust type system: invalid data, aliasing violations or data races will cause undefined behavior + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0133`. diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.rs b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.rs index 70f3c0afe7c9..721e07acca58 100644 --- a/tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.rs +++ b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.rs @@ -4,17 +4,19 @@ //@[edition2024] compile-flags: -Zunstable-options unsafe extern "C" { + static TEST1: i32; fn test1(i: i32); } -fn test2(i: i32) { - test1(i); +fn test2() { + test1(TEST1); //~^ ERROR: call to unsafe function `test1` is unsafe + //~| ERROR: use of extern static is unsafe } -fn test3(i: i32) { +fn test3() { unsafe { - test1(i); + test1(TEST1); } } diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/safe-items.rs b/tests/ui/rust-2024/unsafe-extern-blocks/safe-items.rs index c26503a8d1d1..b0b8a8b012a6 100644 --- a/tests/ui/rust-2024/unsafe-extern-blocks/safe-items.rs +++ b/tests/ui/rust-2024/unsafe-extern-blocks/safe-items.rs @@ -5,11 +5,12 @@ //@ check-pass unsafe extern "C" { + safe static TEST1: i32; safe fn test1(i: i32); } -fn test2(i: i32) { - test1(i); +fn test2() { + test1(TEST1); } fn main() {} diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/safe-unsafe-on-unadorned-extern-block.rs b/tests/ui/rust-2024/unsafe-extern-blocks/safe-unsafe-on-unadorned-extern-block.rs index 7c184d092f0d..d37a7be452da 100644 --- a/tests/ui/rust-2024/unsafe-extern-blocks/safe-unsafe-on-unadorned-extern-block.rs +++ b/tests/ui/rust-2024/unsafe-extern-blocks/safe-unsafe-on-unadorned-extern-block.rs @@ -1,10 +1,12 @@ extern "C" { + safe static TEST1: i32; + //~^ ERROR items in unadorned `extern` blocks cannot have safety qualifiers safe fn test1(i: i32); //~^ ERROR items in unadorned `extern` blocks cannot have safety qualifiers } -fn test2(i: i32) { - test1(i); +fn test2() { + test1(TEST1); } fn main() {} diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/safe-unsafe-on-unadorned-extern-block.stderr b/tests/ui/rust-2024/unsafe-extern-blocks/safe-unsafe-on-unadorned-extern-block.stderr index d96757a17c23..66624f1fcb16 100644 --- a/tests/ui/rust-2024/unsafe-extern-blocks/safe-unsafe-on-unadorned-extern-block.stderr +++ b/tests/ui/rust-2024/unsafe-extern-blocks/safe-unsafe-on-unadorned-extern-block.stderr @@ -3,8 +3,17 @@ error: items in unadorned `extern` blocks cannot have safety qualifiers | LL | extern "C" { | ---------- help: add unsafe to this `extern` block +LL | safe static TEST1: i32; + | ^^^^^^^^^^^^^^^^^^^^^^^ + +error: items in unadorned `extern` blocks cannot have safety qualifiers + --> $DIR/safe-unsafe-on-unadorned-extern-block.rs:4:5 + | +LL | extern "C" { + | ---------- help: add unsafe to this `extern` block +... LL | safe fn test1(i: i32); | ^^^^^^^^^^^^^^^^^^^^^^ -error: aborting due to 1 previous error +error: aborting due to 2 previous errors diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.edition2021.stderr b/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.edition2021.stderr index 67e582c7c565..e3626bb497e4 100644 --- a/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.edition2021.stderr +++ b/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.edition2021.stderr @@ -1,11 +1,19 @@ error[E0133]: call to unsafe function `test1` is unsafe and requires unsafe function or block - --> $DIR/unsafe-items.rs:17:5 + --> $DIR/unsafe-items.rs:18:5 | -LL | test1(i); - | ^^^^^^^^ call to unsafe function +LL | test1(TEST1); + | ^^^^^^^^^^^^ call to unsafe function | = note: consult the function's documentation for information on how to avoid undefined behavior -error: aborting due to 1 previous error +error[E0133]: use of extern static is unsafe and requires unsafe function or block + --> $DIR/unsafe-items.rs:18:11 + | +LL | test1(TEST1); + | ^^^^^ use of extern static + | + = note: extern statics are not controlled by the Rust type system: invalid data, aliasing violations or data races will cause undefined behavior + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0133`. diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.edition2024.stderr b/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.edition2024.stderr index 8a9410f8f135..89bc501b7b5a 100644 --- a/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.edition2024.stderr +++ b/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.edition2024.stderr @@ -1,11 +1,19 @@ error[E0133]: call to unsafe function `test1` is unsafe and requires unsafe block - --> $DIR/unsafe-items.rs:17:5 + --> $DIR/unsafe-items.rs:18:5 | -LL | test1(i); - | ^^^^^^^^ call to unsafe function +LL | test1(TEST1); + | ^^^^^^^^^^^^ call to unsafe function | = note: consult the function's documentation for information on how to avoid undefined behavior -error: aborting due to 1 previous error +error[E0133]: use of extern static is unsafe and requires unsafe block + --> $DIR/unsafe-items.rs:18:11 + | +LL | test1(TEST1); + | ^^^^^ use of extern static + | + = note: extern statics are not controlled by the Rust type system: invalid data, aliasing violations or data races will cause undefined behavior + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0133`. diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.rs b/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.rs index 4b6d077e9877..dc2bae892a98 100644 --- a/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.rs +++ b/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.rs @@ -4,18 +4,20 @@ //@[edition2024] compile-flags: -Zunstable-options unsafe extern "C" { + unsafe static TEST1: i32; unsafe fn test1(i: i32); } -fn test2(i: i32) { +fn test2() { unsafe { - test1(i); + test1(TEST1); } } -fn test3(i: i32) { - test1(i); +fn test3() { + test1(TEST1); //~^ ERROR: call to unsafe function `test1` is unsafe + //~| ERROR: use of extern static is unsafe } fn main() {} From bd0f90824274d20bcace9d0149f1ffb0450e23cc Mon Sep 17 00:00:00 2001 From: Santiago Pastorino Date: Tue, 7 May 2024 14:43:23 +0200 Subject: [PATCH 0975/1716] Add safe/unsafe to static inside extern blocks --- clippy_utils/src/ast_utils.rs | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/clippy_utils/src/ast_utils.rs b/clippy_utils/src/ast_utils.rs index 14f9ef8966d6..c70f5c2df842 100644 --- a/clippy_utils/src/ast_utils.rs +++ b/clippy_utils/src/ast_utils.rs @@ -308,13 +308,15 @@ pub fn eq_item_kind(l: &ItemKind, r: &ItemKind) -> bool { ty: lt, mutability: lm, expr: le, + safety: ls, }), Static(box StaticItem { ty: rt, mutability: rm, expr: re, + safety: rs, }), - ) => lm == rm && eq_ty(lt, rt) && eq_expr_opt(le, re), + ) => lm == rm && ls == rs && eq_ty(lt, rt) && eq_expr_opt(le, re), ( Const(box ConstItem { defaultness: ld, From 7e993b24d52367407d52fbc15a194d24f3889476 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Mon, 3 Jun 2024 10:28:52 +0200 Subject: [PATCH 0976/1716] Create `run-make` `env_var` and `env_var_os` helpers --- src/tools/run-make-support/src/cc.rs | 9 +++--- src/tools/run-make-support/src/clang.rs | 6 ++-- src/tools/run-make-support/src/lib.rs | 31 ++++++++++++++----- .../run-make-support/src/llvm_readobj.rs | 6 ++-- src/tools/run-make-support/src/run.rs | 14 ++++----- src/tools/run-make-support/src/rustc.rs | 5 ++- src/tools/run-make-support/src/rustdoc.rs | 7 ++--- tests/run-make/compiler-builtins/rmake.rs | 10 +++--- .../windows-binary-no-external-deps/rmake.rs | 5 ++- 9 files changed, 51 insertions(+), 42 deletions(-) diff --git a/src/tools/run-make-support/src/cc.rs b/src/tools/run-make-support/src/cc.rs index 0012e7b66af3..1472a39305e3 100644 --- a/src/tools/run-make-support/src/cc.rs +++ b/src/tools/run-make-support/src/cc.rs @@ -1,8 +1,9 @@ -use std::env; use std::path::Path; use std::process::Command; -use crate::{bin_name, cygpath_windows, handle_failed_output, is_msvc, is_windows, tmp_dir, uname}; +use crate::{ + bin_name, cygpath_windows, env_var, handle_failed_output, is_msvc, is_windows, tmp_dir, uname, +}; /// Construct a new platform-specific C compiler invocation. /// @@ -27,11 +28,11 @@ impl Cc { /// WARNING: This means that what flags are accepted by the underlying C compile is /// platform- AND compiler-specific. Consult the relevant docs for `gcc`, `clang` and `mvsc`. pub fn new() -> Self { - let compiler = env::var("CC").unwrap(); + let compiler = env_var("CC"); let mut cmd = Command::new(compiler); - let default_cflags = env::var("CC_DEFAULT_FLAGS").unwrap(); + let default_cflags = env_var("CC_DEFAULT_FLAGS"); for flag in default_cflags.split(char::is_whitespace) { cmd.arg(flag); } diff --git a/src/tools/run-make-support/src/clang.rs b/src/tools/run-make-support/src/clang.rs index 6ccce67b250d..63c5af17c1db 100644 --- a/src/tools/run-make-support/src/clang.rs +++ b/src/tools/run-make-support/src/clang.rs @@ -1,8 +1,7 @@ -use std::env; use std::path::Path; use std::process::Command; -use crate::{bin_name, handle_failed_output, tmp_dir}; +use crate::{bin_name, env_var, handle_failed_output, tmp_dir}; /// Construct a new `clang` invocation. `clang` is not always available for all targets. pub fn clang() -> Clang { @@ -20,8 +19,7 @@ crate::impl_common_helpers!(Clang); impl Clang { /// Construct a new `clang` invocation. `clang` is not always available for all targets. pub fn new() -> Self { - let clang = - env::var("CLANG").expect("`CLANG` not specified, but this is required to find `clang`"); + let clang = env_var("CLANG"); let cmd = Command::new(clang); Self { cmd } } diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index 323fc40e6481..d4b2f88fecfc 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -12,6 +12,7 @@ pub mod rustc; pub mod rustdoc; use std::env; +use std::ffi::OsString; use std::fs; use std::io; use std::path::{Path, PathBuf}; @@ -30,14 +31,28 @@ pub use run::{run, run_fail}; pub use rustc::{aux_build, rustc, Rustc}; pub use rustdoc::{bare_rustdoc, rustdoc, Rustdoc}; +pub fn env_var(name: &str) -> String { + match env::var(name) { + Ok(v) => v, + Err(err) => panic!("failed to retrieve environment variable {name:?}: {err:?}"), + } +} + +pub fn env_var_os(name: &str) -> OsString { + match env::var_os(name) { + Some(v) => v, + None => panic!("failed to retrieve environment variable {name:?}"), + } +} + /// Path of `TMPDIR` (a temporary build directory, not under `/tmp`). pub fn tmp_dir() -> PathBuf { - env::var_os("TMPDIR").unwrap().into() + env_var_os("TMPDIR").into() } /// `TARGET` pub fn target() -> String { - env::var("TARGET").unwrap() + env_var("TARGET") } /// Check if target is windows-like. @@ -62,7 +77,7 @@ pub fn static_lib(name: &str) -> PathBuf { } pub fn python_command() -> Command { - let python_path = std::env::var("PYTHON").expect("PYTHON environment variable does not exist"); + let python_path = env_var("PYTHON"); Command::new(python_path) } @@ -73,7 +88,7 @@ pub fn htmldocck() -> Command { } pub fn source_path() -> PathBuf { - std::env::var("S").expect("S variable does not exist").into() + env_var("S").into() } /// Construct the static library name based on the platform. @@ -208,12 +223,12 @@ fn handle_failed_output(cmd: &Command, output: Output, caller_line_number: u32) /// Set the runtime library path as needed for running the host rustc/rustdoc/etc. pub fn set_host_rpath(cmd: &mut Command) { - let ld_lib_path_envvar = env::var("LD_LIB_PATH_ENVVAR").unwrap(); + let ld_lib_path_envvar = env_var("LD_LIB_PATH_ENVVAR"); cmd.env(&ld_lib_path_envvar, { let mut paths = vec![]; - paths.push(PathBuf::from(env::var("TMPDIR").unwrap())); - paths.push(PathBuf::from(env::var("HOST_RPATH_DIR").unwrap())); - for p in env::split_paths(&env::var(&ld_lib_path_envvar).unwrap()) { + paths.push(PathBuf::from(env_var("TMPDIR"))); + paths.push(PathBuf::from(env_var("HOST_RPATH_DIR"))); + for p in env::split_paths(&env_var(&ld_lib_path_envvar)) { paths.push(p.to_path_buf()); } env::join_paths(paths.iter()).unwrap() diff --git a/src/tools/run-make-support/src/llvm_readobj.rs b/src/tools/run-make-support/src/llvm_readobj.rs index f114aacfa3fc..77aaadfe18c4 100644 --- a/src/tools/run-make-support/src/llvm_readobj.rs +++ b/src/tools/run-make-support/src/llvm_readobj.rs @@ -1,8 +1,7 @@ -use std::env; use std::path::{Path, PathBuf}; use std::process::Command; -use crate::handle_failed_output; +use crate::{env_var, handle_failed_output}; /// Construct a new `llvm-readobj` invocation. This assumes that `llvm-readobj` is available /// at `$LLVM_BIN_DIR/llvm-readobj`. @@ -22,8 +21,7 @@ impl LlvmReadobj { /// Construct a new `llvm-readobj` invocation. This assumes that `llvm-readobj` is available /// at `$LLVM_BIN_DIR/llvm-readobj`. pub fn new() -> Self { - let llvm_bin_dir = env::var("LLVM_BIN_DIR") - .expect("`LLVM_BIN_DIR` not specified, but this is required to find `llvm-readobj`"); + let llvm_bin_dir = env_var("LLVM_BIN_DIR"); let llvm_bin_dir = PathBuf::from(llvm_bin_dir); let llvm_readobj = llvm_bin_dir.join("llvm-readobj"); let cmd = Command::new(llvm_readobj); diff --git a/src/tools/run-make-support/src/run.rs b/src/tools/run-make-support/src/run.rs index da4f265efc3b..8d8eafba99b7 100644 --- a/src/tools/run-make-support/src/run.rs +++ b/src/tools/run-make-support/src/run.rs @@ -2,23 +2,23 @@ use std::env; use std::path::{Path, PathBuf}; use std::process::{Command, Output}; -use crate::is_windows; +use crate::{env_var, is_windows}; use super::handle_failed_output; fn run_common(name: &str) -> (Command, Output) { let mut bin_path = PathBuf::new(); - bin_path.push(env::var("TMPDIR").unwrap()); + bin_path.push(env_var("TMPDIR")); bin_path.push(name); - let ld_lib_path_envvar = env::var("LD_LIB_PATH_ENVVAR").unwrap(); + let ld_lib_path_envvar = env_var("LD_LIB_PATH_ENVVAR"); let mut cmd = Command::new(bin_path); cmd.env(&ld_lib_path_envvar, { let mut paths = vec![]; - paths.push(PathBuf::from(env::var("TMPDIR").unwrap())); - for p in env::split_paths(&env::var("TARGET_RPATH_ENV").unwrap()) { + paths.push(PathBuf::from(env_var("TMPDIR"))); + for p in env::split_paths(&env_var("TARGET_RPATH_ENV")) { paths.push(p.to_path_buf()); } - for p in env::split_paths(&env::var(&ld_lib_path_envvar).unwrap()) { + for p in env::split_paths(&env_var(&ld_lib_path_envvar)) { paths.push(p.to_path_buf()); } env::join_paths(paths.iter()).unwrap() @@ -29,7 +29,7 @@ fn run_common(name: &str) -> (Command, Output) { for p in env::split_paths(&std::env::var("PATH").unwrap_or(String::new())) { paths.push(p.to_path_buf()); } - paths.push(Path::new(&std::env::var("TARGET_RPATH_DIR").unwrap()).to_path_buf()); + paths.push(Path::new(&env_var("TARGET_RPATH_DIR")).to_path_buf()); cmd.env("PATH", env::join_paths(paths.iter()).unwrap()); } diff --git a/src/tools/run-make-support/src/rustc.rs b/src/tools/run-make-support/src/rustc.rs index 8b0252b8f04c..607f68d12d00 100644 --- a/src/tools/run-make-support/src/rustc.rs +++ b/src/tools/run-make-support/src/rustc.rs @@ -1,10 +1,9 @@ -use std::env; use std::ffi::{OsStr, OsString}; use std::io::Write; use std::path::Path; use std::process::{Command, Output, Stdio}; -use crate::{handle_failed_output, set_host_rpath, tmp_dir}; +use crate::{env_var, handle_failed_output, set_host_rpath, tmp_dir}; /// Construct a new `rustc` invocation. pub fn rustc() -> Rustc { @@ -26,7 +25,7 @@ pub struct Rustc { crate::impl_common_helpers!(Rustc); fn setup_common() -> Command { - let rustc = env::var("RUSTC").unwrap(); + let rustc = env_var("RUSTC"); let mut cmd = Command::new(rustc); set_host_rpath(&mut cmd); cmd.arg("--out-dir").arg(tmp_dir()).arg("-L").arg(tmp_dir()); diff --git a/src/tools/run-make-support/src/rustdoc.rs b/src/tools/run-make-support/src/rustdoc.rs index 61d7448a6bfe..34d32992e65e 100644 --- a/src/tools/run-make-support/src/rustdoc.rs +++ b/src/tools/run-make-support/src/rustdoc.rs @@ -1,10 +1,9 @@ -use std::env; use std::ffi::OsStr; use std::io::Write; use std::path::Path; use std::process::{Command, Output, Stdio}; -use crate::{handle_failed_output, set_host_rpath}; +use crate::{env_var, env_var_os, handle_failed_output, set_host_rpath}; /// Construct a plain `rustdoc` invocation with no flags set. pub fn bare_rustdoc() -> Rustdoc { @@ -25,7 +24,7 @@ pub struct Rustdoc { crate::impl_common_helpers!(Rustdoc); fn setup_common() -> Command { - let rustdoc = env::var("RUSTDOC").unwrap(); + let rustdoc = env_var("RUSTDOC"); let mut cmd = Command::new(rustdoc); set_host_rpath(&mut cmd); cmd @@ -41,7 +40,7 @@ impl Rustdoc { /// Construct a `rustdoc` invocation with `-L $(TARGET_RPATH_DIR)` set. pub fn new() -> Self { let mut cmd = setup_common(); - let target_rpath_dir = env::var_os("TARGET_RPATH_DIR").unwrap(); + let target_rpath_dir = env_var_os("TARGET_RPATH_DIR"); cmd.arg(format!("-L{}", target_rpath_dir.to_string_lossy())); Self { cmd, stdin: None } } diff --git a/tests/run-make/compiler-builtins/rmake.rs b/tests/run-make/compiler-builtins/rmake.rs index f5da50ebb043..f7e73e3506f5 100644 --- a/tests/run-make/compiler-builtins/rmake.rs +++ b/tests/run-make/compiler-builtins/rmake.rs @@ -14,7 +14,6 @@ #![deny(warnings)] -use run_make_support::object; use run_make_support::object::read::archive::ArchiveFile; use run_make_support::object::read::Object; use run_make_support::object::ObjectSection; @@ -22,6 +21,7 @@ use run_make_support::object::ObjectSymbol; use run_make_support::object::RelocationTarget; use run_make_support::set_host_rpath; use run_make_support::tmp_dir; +use run_make_support::{env_var, object}; use std::collections::HashSet; const MANIFEST: &str = r#" @@ -35,7 +35,7 @@ path = "lib.rs""#; fn main() { let target_dir = tmp_dir().join("target"); - let target = std::env::var("TARGET").unwrap(); + let target = env_var("TARGET"); println!("Testing compiler_builtins for {}", target); @@ -44,9 +44,9 @@ fn main() { std::fs::write(&manifest_path, MANIFEST.as_bytes()).unwrap(); std::fs::write(tmp_dir().join("lib.rs"), b"#![no_std]").unwrap(); - let path = std::env::var("PATH").unwrap(); - let rustc = std::env::var("RUSTC").unwrap(); - let bootstrap_cargo = std::env::var("BOOTSTRAP_CARGO").unwrap(); + let path = env_var("PATH"); + let rustc = env_var("RUSTC"); + let bootstrap_cargo = env_var("BOOTSTRAP_CARGO"); let mut cmd = std::process::Command::new(bootstrap_cargo); cmd.args([ "build", diff --git a/tests/run-make/windows-binary-no-external-deps/rmake.rs b/tests/run-make/windows-binary-no-external-deps/rmake.rs index 6704fe041483..ccf2d64c8539 100644 --- a/tests/run-make/windows-binary-no-external-deps/rmake.rs +++ b/tests/run-make/windows-binary-no-external-deps/rmake.rs @@ -2,15 +2,14 @@ //! a "hello world" application by setting `PATH` to `C:\Windows\System32`. //@ only-windows -use run_make_support::{rustc, tmp_dir}; -use std::env; +use run_make_support::{env_var, rustc, tmp_dir}; use std::path::PathBuf; use std::process::Command; fn main() { rustc().input("hello.rs").run(); - let windows_dir = env::var("SystemRoot").unwrap(); + let windows_dir = env_var("SystemRoot"); let system32: PathBuf = [&windows_dir, "System32"].iter().collect(); // Note: This does not use the support wrappers so that we can precisely control the PATH let exe = tmp_dir().join("hello.exe"); From 158b65889cb5e5be2b367c1acb349c966e70543f Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Mon, 3 Jun 2024 21:57:47 +0200 Subject: [PATCH 0977/1716] Fix false positive for `needless_character_iteration` lint --- clippy_lints/src/methods/mod.rs | 3 ++- .../methods/needless_character_iteration.rs | 26 +++++++++++++++---- tests/ui/needless_character_iteration.fixed | 6 +++++ tests/ui/needless_character_iteration.rs | 14 +++++++--- tests/ui/needless_character_iteration.stderr | 8 +++--- 5 files changed, 43 insertions(+), 14 deletions(-) diff --git a/clippy_lints/src/methods/mod.rs b/clippy_lints/src/methods/mod.rs index 1572f6fb601c..6a535c11a98f 100644 --- a/clippy_lints/src/methods/mod.rs +++ b/clippy_lints/src/methods/mod.rs @@ -4485,7 +4485,7 @@ impl Methods { }, ("all", [arg]) => { unused_enumerate_index::check(cx, expr, recv, arg); - needless_character_iteration::check(cx, expr, recv, arg); + needless_character_iteration::check(cx, expr, recv, arg, true); if let Some(("cloned", recv2, [], _, _)) = method_call(recv) { iter_overeager_cloned::check( cx, @@ -4506,6 +4506,7 @@ impl Methods { }, ("any", [arg]) => { unused_enumerate_index::check(cx, expr, recv, arg); + needless_character_iteration::check(cx, expr, recv, arg, false); match method_call(recv) { Some(("cloned", recv2, [], _, _)) => iter_overeager_cloned::check( cx, diff --git a/clippy_lints/src/methods/needless_character_iteration.rs b/clippy_lints/src/methods/needless_character_iteration.rs index f4467af4de83..e3d782077154 100644 --- a/clippy_lints/src/methods/needless_character_iteration.rs +++ b/clippy_lints/src/methods/needless_character_iteration.rs @@ -24,10 +24,14 @@ fn handle_expr( span: Span, before_chars: Span, revert: bool, + is_all: bool, ) { match expr.kind { ExprKind::MethodCall(method, receiver, [], _) => { - if method.ident.name.as_str() == "is_ascii" + // If we have `!is_ascii`, then only `.any()` should warn. And if the condition is + // `is_ascii`, then only `.all()` should warn. + if revert != is_all + && method.ident.name.as_str() == "is_ascii" && path_to_local_id(receiver, first_param) && let char_arg_ty = cx.typeck_results().expr_ty_adjusted(receiver).peel_refs() && *char_arg_ty.kind() == ty::Char @@ -55,12 +59,23 @@ fn handle_expr( && let Some(last_chain_binding_id) = get_last_chain_binding_hir_id(first_param, block.stmts) { - handle_expr(cx, block_expr, last_chain_binding_id, span, before_chars, revert); + handle_expr( + cx, + block_expr, + last_chain_binding_id, + span, + before_chars, + revert, + is_all, + ); } }, - ExprKind::Unary(UnOp::Not, expr) => handle_expr(cx, expr, first_param, span, before_chars, !revert), + ExprKind::Unary(UnOp::Not, expr) => handle_expr(cx, expr, first_param, span, before_chars, !revert, is_all), ExprKind::Call(fn_path, [arg]) => { - if let ExprKind::Path(path) = fn_path.kind + // If we have `!is_ascii`, then only `.any()` should warn. And if the condition is + // `is_ascii`, then only `.all()` should warn. + if revert != is_all + && let ExprKind::Path(path) = fn_path.kind && let Some(fn_def_id) = cx.qpath_res(&path, fn_path.hir_id).opt_def_id() && match_def_path(cx, fn_def_id, &["core", "char", "methods", "", "is_ascii"]) && path_to_local_id(peels_expr_ref(arg), first_param) @@ -81,7 +96,7 @@ fn handle_expr( } } -pub(super) fn check(cx: &LateContext<'_>, call_expr: &Expr<'_>, recv: &Expr<'_>, closure_arg: &Expr<'_>) { +pub(super) fn check(cx: &LateContext<'_>, call_expr: &Expr<'_>, recv: &Expr<'_>, closure_arg: &Expr<'_>, is_all: bool) { if let ExprKind::Closure(&Closure { body, .. }) = closure_arg.kind && let body = cx.tcx.hir().body(body) && let Some(first_param) = body.params.first() @@ -103,6 +118,7 @@ pub(super) fn check(cx: &LateContext<'_>, call_expr: &Expr<'_>, recv: &Expr<'_>, recv.span.with_hi(call_expr.span.hi()), recv.span.with_hi(expr_start.hi()), false, + is_all, ); } } diff --git a/tests/ui/needless_character_iteration.fixed b/tests/ui/needless_character_iteration.fixed index 5a5da592987c..f0bf84a41d7e 100644 --- a/tests/ui/needless_character_iteration.fixed +++ b/tests/ui/needless_character_iteration.fixed @@ -48,4 +48,10 @@ fn main() { // Should not lint! "foo".chars().map(|c| c).all(|c| !char::is_ascii(&c)); + + // Should not lint! + "foo".chars().all(|c| !c.is_ascii()); + + // Should not lint! + "foo".chars().any(|c| c.is_ascii()); } diff --git a/tests/ui/needless_character_iteration.rs b/tests/ui/needless_character_iteration.rs index f6320ff22b7d..2805d2438b4a 100644 --- a/tests/ui/needless_character_iteration.rs +++ b/tests/ui/needless_character_iteration.rs @@ -17,17 +17,17 @@ fn magic(_: char) {} fn main() { "foo".chars().all(|c| c.is_ascii()); //~^ ERROR: checking if a string is ascii using iterators - "foo".chars().all(|c| !c.is_ascii()); + "foo".chars().any(|c| !c.is_ascii()); //~^ ERROR: checking if a string is ascii using iterators "foo".chars().all(|c| char::is_ascii(&c)); //~^ ERROR: checking if a string is ascii using iterators - "foo".chars().all(|c| !char::is_ascii(&c)); + "foo".chars().any(|c| !char::is_ascii(&c)); //~^ ERROR: checking if a string is ascii using iterators let s = String::new(); s.chars().all(|c| c.is_ascii()); //~^ ERROR: checking if a string is ascii using iterators - "foo".to_string().chars().all(|c| !c.is_ascii()); + "foo".to_string().chars().any(|c| !c.is_ascii()); //~^ ERROR: checking if a string is ascii using iterators "foo".chars().all(|c| { @@ -35,7 +35,7 @@ fn main() { let x = c; x.is_ascii() }); - "foo".chars().all(|c| { + "foo".chars().any(|c| { //~^ ERROR: checking if a string is ascii using iterators let x = c; !x.is_ascii() @@ -56,4 +56,10 @@ fn main() { // Should not lint! "foo".chars().map(|c| c).all(|c| !char::is_ascii(&c)); + + // Should not lint! + "foo".chars().all(|c| !c.is_ascii()); + + // Should not lint! + "foo".chars().any(|c| c.is_ascii()); } diff --git a/tests/ui/needless_character_iteration.stderr b/tests/ui/needless_character_iteration.stderr index 05055f75aa7f..7966033555f5 100644 --- a/tests/ui/needless_character_iteration.stderr +++ b/tests/ui/needless_character_iteration.stderr @@ -10,7 +10,7 @@ LL | "foo".chars().all(|c| c.is_ascii()); error: checking if a string is ascii using iterators --> tests/ui/needless_character_iteration.rs:20:5 | -LL | "foo".chars().all(|c| !c.is_ascii()); +LL | "foo".chars().any(|c| !c.is_ascii()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `!"foo".is_ascii()` error: checking if a string is ascii using iterators @@ -22,7 +22,7 @@ LL | "foo".chars().all(|c| char::is_ascii(&c)); error: checking if a string is ascii using iterators --> tests/ui/needless_character_iteration.rs:24:5 | -LL | "foo".chars().all(|c| !char::is_ascii(&c)); +LL | "foo".chars().any(|c| !char::is_ascii(&c)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `!"foo".is_ascii()` error: checking if a string is ascii using iterators @@ -34,7 +34,7 @@ LL | s.chars().all(|c| c.is_ascii()); error: checking if a string is ascii using iterators --> tests/ui/needless_character_iteration.rs:30:5 | -LL | "foo".to_string().chars().all(|c| !c.is_ascii()); +LL | "foo".to_string().chars().any(|c| !c.is_ascii()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `!"foo".to_string().is_ascii()` error: checking if a string is ascii using iterators @@ -50,7 +50,7 @@ LL | | }); error: checking if a string is ascii using iterators --> tests/ui/needless_character_iteration.rs:38:5 | -LL | / "foo".chars().all(|c| { +LL | / "foo".chars().any(|c| { LL | | LL | | let x = c; LL | | !x.is_ascii() From 59e2074c79aaea17ed1b4e16081983e5f03c6bd2 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Tue, 28 May 2024 15:54:09 -0400 Subject: [PATCH 0978/1716] rewrite suspicious-library in rmake --- src/tools/compiletest/src/header.rs | 1 + .../tidy/src/allowed_run_make_makefiles.txt | 1 - .../incr-prev-body-beyond-eof/rmake.rs | 31 ++++++++----------- tests/run-make/resolve-rename/rmake.rs | 3 +- tests/run-make/suspicious-library/Makefile | 8 ----- tests/run-make/suspicious-library/rmake.rs | 14 +++++++++ 6 files changed, 30 insertions(+), 28 deletions(-) delete mode 100644 tests/run-make/suspicious-library/Makefile create mode 100644 tests/run-make/suspicious-library/rmake.rs diff --git a/src/tools/compiletest/src/header.rs b/src/tools/compiletest/src/header.rs index c7c807d3e684..a8c2962f779c 100644 --- a/src/tools/compiletest/src/header.rs +++ b/src/tools/compiletest/src/header.rs @@ -798,6 +798,7 @@ const KNOWN_DIRECTIVE_NAMES: &[&str] = &[ "ignore-none", "ignore-nto", "ignore-nvptx64", + "ignore-nvptx64-nvidia-cuda", "ignore-openbsd", "ignore-pass", "ignore-remote", diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 4e69d67057a7..252ce2c65383 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -246,7 +246,6 @@ run-make/static-pie/Makefile run-make/staticlib-blank-lib/Makefile run-make/staticlib-dylib-linkage/Makefile run-make/std-core-cycle/Makefile -run-make/suspicious-library/Makefile run-make/symbol-mangling-hashed/Makefile run-make/symbol-visibility/Makefile run-make/symbols-include-type-name/Makefile diff --git a/tests/run-make/incr-prev-body-beyond-eof/rmake.rs b/tests/run-make/incr-prev-body-beyond-eof/rmake.rs index 43f137fea20e..8aa3893727f6 100644 --- a/tests/run-make/incr-prev-body-beyond-eof/rmake.rs +++ b/tests/run-make/incr-prev-body-beyond-eof/rmake.rs @@ -7,26 +7,21 @@ // was hashed by rustc in addition to the span length, and the fix still // works. -// FIXME: Ignore flags temporarily disabled for the test. -// ignore-none -// ignore-nvptx64-nvidia-cuda +//@ ignore-none +// reason: no-std is not supported -use run_make_support::{rustc, target, tmp_dir}; +//@ ignore-nvptx64-nvidia-cuda +// FIXME: can't find crate for `std` + +use run_make_support::{rustc, tmp_dir}; use std::fs; fn main() { - fs::create_dir(tmp_dir().join("src")); - fs::create_dir(tmp_dir().join("incr")); - fs::copy("a.rs", tmp_dir().join("main.rs")); - rustc() - .incremental(tmp_dir().join("incr")) - .input(tmp_dir().join("src/main.rs")) - .target(target()) - .run(); - fs::copy("b.rs", tmp_dir().join("main.rs")); - rustc() - .incremental(tmp_dir().join("incr")) - .input(tmp_dir().join("src/main.rs")) - .target(target()) - .run(); + // FIXME(Oneirical): Use run_make_support::fs_wrapper here. + fs::create_dir(tmp_dir().join("src")).unwrap(); + fs::create_dir(tmp_dir().join("incr")).unwrap(); + fs::copy("a.rs", tmp_dir().join("src/main.rs")).unwrap(); + rustc().incremental(tmp_dir().join("incr")).input(tmp_dir().join("src/main.rs")).run(); + fs::copy("b.rs", tmp_dir().join("src/main.rs")).unwrap(); + rustc().incremental(tmp_dir().join("incr")).input(tmp_dir().join("src/main.rs")).run(); } diff --git a/tests/run-make/resolve-rename/rmake.rs b/tests/run-make/resolve-rename/rmake.rs index 7539d367758e..8c6e3c24714e 100644 --- a/tests/run-make/resolve-rename/rmake.rs +++ b/tests/run-make/resolve-rename/rmake.rs @@ -10,6 +10,7 @@ use std::fs; fn main() { rustc().extra_filename("-hash").input("foo.rs").run(); rustc().input("bar.rs").run(); - fs::rename(tmp_dir().join("libfoo-hash.rlib"), tmp_dir().join("libfoo-another-hash.rlib")); + fs::rename(tmp_dir().join("libfoo-hash.rlib"), tmp_dir().join("libfoo-another-hash.rlib")) + .unwrap(); rustc().input("baz.rs").run(); } diff --git a/tests/run-make/suspicious-library/Makefile b/tests/run-make/suspicious-library/Makefile deleted file mode 100644 index 3b5ab3c53a56..000000000000 --- a/tests/run-make/suspicious-library/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -# ignore-cross-compile -include ../tools.mk - -all: - $(RUSTC) foo.rs -C prefer-dynamic - touch $(call DYLIB,foo-something-special) - touch $(call DYLIB,foo-something-special2) - $(RUSTC) bar.rs diff --git a/tests/run-make/suspicious-library/rmake.rs b/tests/run-make/suspicious-library/rmake.rs new file mode 100644 index 000000000000..9e91de70bfce --- /dev/null +++ b/tests/run-make/suspicious-library/rmake.rs @@ -0,0 +1,14 @@ +// This test creates some fake dynamic libraries with nothing inside, +// and checks if rustc avoids them and successfully compiles as a result. + +//@ ignore-cross-compile + +use run_make_support::{dynamic_lib, rustc}; +use std::fs::File; + +fn main() { + rustc().input("foo.rs").arg("-Cprefer-dynamic").run(); + File::create(dynamic_lib("foo-something-special")).unwrap(); + File::create(dynamic_lib("foo-something-special2")).unwrap(); + rustc().input("bar.rs").run(); +} From f7c51a2d2f67a118db7de5e810f5acb096659137 Mon Sep 17 00:00:00 2001 From: Tobias Bucher Date: Wed, 22 May 2024 15:18:29 +0200 Subject: [PATCH 0979/1716] Directly add extension instead of using `Path::with_extension` `Path::with_extension` has a nice footgun when the original path doesn't contain an extension: Anything after the last dot gets removed. --- compiler/rustc_codegen_llvm/src/back/archive.rs | 9 ++------- tests/ui/rfcs/rfc-2627-raw-dylib/dlltool-failed.rs | 4 ++-- 2 files changed, 4 insertions(+), 9 deletions(-) diff --git a/compiler/rustc_codegen_llvm/src/back/archive.rs b/compiler/rustc_codegen_llvm/src/back/archive.rs index fa7e7e5377a2..a354f3d35361 100644 --- a/compiler/rustc_codegen_llvm/src/back/archive.rs +++ b/compiler/rustc_codegen_llvm/src/back/archive.rs @@ -128,11 +128,7 @@ impl ArchiveBuilderBuilder for LlvmArchiveBuilderBuilder { is_direct_dependency: bool, ) -> PathBuf { let name_suffix = if is_direct_dependency { "_imports" } else { "_imports_indirect" }; - let output_path = { - let mut output_path: PathBuf = tmpdir.to_path_buf(); - output_path.push(format!("{lib_name}{name_suffix}")); - output_path.with_extension("lib") - }; + let output_path = tmpdir.join(format!("{lib_name}{name_suffix}.lib")); let target = &sess.target; let mingw_gnu_toolchain = common::is_mingw_gnu_toolchain(target); @@ -157,8 +153,7 @@ impl ArchiveBuilderBuilder for LlvmArchiveBuilderBuilder { // that loaded but crashed with an AV upon calling one of the imported // functions. Therefore, use binutils to create the import library instead, // by writing a .DEF file to the temp dir and calling binutils's dlltool. - let def_file_path = - tmpdir.join(format!("{lib_name}{name_suffix}")).with_extension("def"); + let def_file_path = tmpdir.join(format!("{lib_name}{name_suffix}.def")); let def_file_content = format!( "EXPORTS\n{}", diff --git a/tests/ui/rfcs/rfc-2627-raw-dylib/dlltool-failed.rs b/tests/ui/rfcs/rfc-2627-raw-dylib/dlltool-failed.rs index 402efaf50271..ea9d48e7859d 100644 --- a/tests/ui/rfcs/rfc-2627-raw-dylib/dlltool-failed.rs +++ b/tests/ui/rfcs/rfc-2627-raw-dylib/dlltool-failed.rs @@ -3,8 +3,8 @@ //@ needs-dlltool //@ compile-flags: --crate-type lib --emit link //@ normalize-stderr-test: "[^ ']*/dlltool.exe" -> "$$DLLTOOL" -//@ normalize-stderr-test: "[^ ]*/foo.def" -> "$$DEF_FILE" -//@ normalize-stderr-test: "[^ ]*/foo.lib" -> "$$LIB_FILE" +//@ normalize-stderr-test: "[^ ]*/foo.dll_imports.def" -> "$$DEF_FILE" +//@ normalize-stderr-test: "[^ ]*/foo.dll_imports.lib" -> "$$LIB_FILE" //@ normalize-stderr-test: "-m [^ ]*" -> "$$TARGET_MACHINE" //@ normalize-stderr-test: "-f [^ ]*" -> "$$ASM_FLAGS" //@ normalize-stderr-test: "--temp-prefix [^ ]*/foo.dll" -> "$$TEMP_PREFIX" From e7ad2da7f134c66779625a09b134b85ed1c7c7a9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Esteban=20K=C3=BCber?= Date: Tue, 4 Jun 2024 19:09:15 +0000 Subject: [PATCH 0980/1716] When `derive`ing, account for HRTB on `BareFn` fields When given ```rust trait SomeTrait { type SomeType<'a>; } struct Foo { x: for<'a> fn(T::SomeType<'a>) } ``` expand to ```rust impl ::core::clone::Clone for Foo where for<'a> T::SomeType<'a>: ::core::clone::Clone { #[inline] fn clone(&self) -> Foo { Foo { x: ::core::clone::Clone::clone(&self.x) } } } ``` instead of the previous invalid ``` impl ::core::clone::Clone for Foo where T::SomeType<'a>: ::core::clone::Clone { #[inline] fn clone(&self) -> Foo { Foo { x: ::core::clone::Clone::clone(&self.x) } } } ``` Fix #122622. --- .../src/deriving/generic/mod.rs | 12 +++++++++++- .../derive-hrtb-for-bare-fn-field-with-lifetime.rs | 13 +++++++++++++ 2 files changed, 24 insertions(+), 1 deletion(-) create mode 100644 tests/ui/derives/derive-hrtb-for-bare-fn-field-with-lifetime.rs diff --git a/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs b/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs index 217fa5ff9f1e..ba289f9552e2 100644 --- a/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs +++ b/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs @@ -412,6 +412,15 @@ fn find_type_parameters( impl<'a, 'b> visit::Visitor<'a> for Visitor<'a, 'b> { fn visit_ty(&mut self, ty: &'a ast::Ty) { + let stack_len = self.bound_generic_params_stack.len(); + if let ast::TyKind::BareFn(bare_fn) = &ty.kind + && !bare_fn.generic_params.is_empty() + { + // Given a field `x: for<'a> fn(T::SomeType<'a>)`, we wan't to account for `'a` so + // that we generate `where for<'a> T::SomeType<'a>: ::core::clone::Clone`. #122622 + self.bound_generic_params_stack.extend(bare_fn.generic_params.iter().cloned()); + } + if let ast::TyKind::Path(_, path) = &ty.kind && let Some(segment) = path.segments.first() && self.ty_param_names.contains(&segment.ident.name) @@ -422,7 +431,8 @@ fn find_type_parameters( }); } - visit::walk_ty(self, ty) + visit::walk_ty(self, ty); + self.bound_generic_params_stack.truncate(stack_len); } // Place bound generic params on a stack, to extract them when a type is encountered. diff --git a/tests/ui/derives/derive-hrtb-for-bare-fn-field-with-lifetime.rs b/tests/ui/derives/derive-hrtb-for-bare-fn-field-with-lifetime.rs new file mode 100644 index 000000000000..b8a42be6832d --- /dev/null +++ b/tests/ui/derives/derive-hrtb-for-bare-fn-field-with-lifetime.rs @@ -0,0 +1,13 @@ +//@ run-pass +// Issue #122622: `#[derive(Clone)]` should work for HRTB function type taking an associated type +#![allow(dead_code)] +trait SomeTrait { + type SomeType<'a>; +} + +#[derive(Clone)] +struct Foo { + x: for<'a> fn(T::SomeType<'a>) +} + +fn main() {} From 5d26f58423f72e300ef48df591c08e3d446b51aa Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Tomasz=20Mi=C4=85sko?= Date: Tue, 4 Jun 2024 00:00:00 +0000 Subject: [PATCH 0981/1716] Closures are recursively reachable --- compiler/rustc_passes/src/reachable.rs | 1 + tests/ui/cross-crate/auxiliary/static_init_aux.rs | 6 ++++++ tests/ui/cross-crate/static-init.rs | 2 ++ 3 files changed, 9 insertions(+) diff --git a/compiler/rustc_passes/src/reachable.rs b/compiler/rustc_passes/src/reachable.rs index ab1dd2485566..954a1ab6560f 100644 --- a/compiler/rustc_passes/src/reachable.rs +++ b/compiler/rustc_passes/src/reachable.rs @@ -157,6 +157,7 @@ impl<'tcx> ReachableContext<'tcx> { } hir::ImplItemKind::Type(_) => false, }, + Node::Expr(&hir::Expr { kind: hir::ExprKind::Closure(..), .. }) => true, _ => false, } } diff --git a/tests/ui/cross-crate/auxiliary/static_init_aux.rs b/tests/ui/cross-crate/auxiliary/static_init_aux.rs index dca708733b92..832cee8d4d4e 100644 --- a/tests/ui/cross-crate/auxiliary/static_init_aux.rs +++ b/tests/ui/cross-crate/auxiliary/static_init_aux.rs @@ -3,6 +3,12 @@ pub static F: fn() = f; pub static G: fn() = G0; pub static H: &(dyn Fn() + Sync) = &h; pub static I: fn() = Helper(j).mk(); +pub static K: fn() -> fn() = { + #[inline(never)] + fn k() {} + #[inline(always)] + || -> fn() { k } +}; static X: u32 = 42; static G0: fn() = g; diff --git a/tests/ui/cross-crate/static-init.rs b/tests/ui/cross-crate/static-init.rs index c4697a1d010c..f8003856c5c4 100644 --- a/tests/ui/cross-crate/static-init.rs +++ b/tests/ui/cross-crate/static-init.rs @@ -8,6 +8,7 @@ static F: fn() = aux::F; static G: fn() = aux::G; static H: &(dyn Fn() + Sync) = aux::H; static I: fn() = aux::I; +static K: fn() -> fn() = aux::K; fn v() -> *const u32 { V @@ -19,4 +20,5 @@ fn main() { G(); H(); I(); + K()(); } From c59a2b2746c7c22bd684cbd5a5da0affc7d11a52 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Le=C3=B3n=20Orell=20Valerian=20Liehr?= Date: Tue, 4 Jun 2024 16:47:23 +0200 Subject: [PATCH 0982/1716] Cleanup: HIR ty lowering: Consolidate assoc item access checking --- compiler/rustc_hir_analysis/messages.ftl | 4 + compiler/rustc_hir_analysis/src/errors.rs | 12 +++ .../src/hir_ty_lowering/bounds.rs | 50 ++++------- .../src/hir_ty_lowering/mod.rs | 89 ++++++++++++------- .../assoc-inherent-private.stderr | 4 +- tests/ui/traits/item-privacy.stderr | 7 +- 6 files changed, 97 insertions(+), 69 deletions(-) diff --git a/compiler/rustc_hir_analysis/messages.ftl b/compiler/rustc_hir_analysis/messages.ftl index 67959d9dfede..cb9a642ca391 100644 --- a/compiler/rustc_hir_analysis/messages.ftl +++ b/compiler/rustc_hir_analysis/messages.ftl @@ -8,6 +8,10 @@ hir_analysis_assoc_item_constraints_not_allowed_here = associated item constraints are not allowed here .label = associated item constraint not allowed here +hir_analysis_assoc_item_is_private = {$kind} `{$name}` is private + .label = private {$kind} + .defined_here_label = the {$kind} is defined here + hir_analysis_assoc_item_not_found = associated {$assoc_kind} `{$assoc_name}` not found for `{$ty_param_name}` hir_analysis_assoc_item_not_found_found_in_other_trait_label = there is {$identically_named -> diff --git a/compiler/rustc_hir_analysis/src/errors.rs b/compiler/rustc_hir_analysis/src/errors.rs index 8a9d4cd4ac70..8c65bed4de25 100644 --- a/compiler/rustc_hir_analysis/src/errors.rs +++ b/compiler/rustc_hir_analysis/src/errors.rs @@ -55,6 +55,18 @@ pub struct AssocKindMismatchWrapInBracesSugg { pub hi: Span, } +#[derive(Diagnostic)] +#[diag(hir_analysis_assoc_item_is_private, code = E0624)] +pub struct AssocItemIsPrivate { + #[primary_span] + #[label] + pub span: Span, + pub kind: &'static str, + pub name: Ident, + #[label(hir_analysis_defined_here_label)] + pub defined_here_label: Span, +} + #[derive(Diagnostic)] #[diag(hir_analysis_assoc_item_not_found, code = E0220)] pub struct AssocItemNotFound<'a> { diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/bounds.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/bounds.rs index b6a1799c03f1..999da63e1766 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/bounds.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/bounds.rs @@ -292,30 +292,15 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { )? }; - let (assoc_ident, def_scope) = - tcx.adjust_ident_and_get_scope(constraint.ident, candidate.def_id(), hir_ref_id); - - // We have already adjusted the item name above, so compare with `.normalize_to_macros_2_0()` - // instead of calling `filter_by_name_and_kind` which would needlessly normalize the - // `assoc_ident` again and again. - let assoc_item = tcx - .associated_items(candidate.def_id()) - .filter_by_name_unhygienic(assoc_ident.name) - .find(|i| i.kind == assoc_kind && i.ident(tcx).normalize_to_macros_2_0() == assoc_ident) - .expect("missing associated item"); - - if !assoc_item.visibility(tcx).is_accessible_from(def_scope, tcx) { - let reported = tcx - .dcx() - .struct_span_err( - constraint.span, - format!("{} `{}` is private", assoc_item.kind, constraint.ident), - ) - .with_span_label(constraint.span, format!("private {}", assoc_item.kind)) - .emit(); - self.set_tainted_by_errors(reported); - } - tcx.check_stability(assoc_item.def_id, Some(hir_ref_id), constraint.span, None); + let assoc_item = self + .probe_assoc_item( + constraint.ident, + assoc_kind, + hir_ref_id, + constraint.span, + candidate.def_id(), + ) + .expect("failed to find associated item"); duplicates .entry(assoc_item.def_id) @@ -406,10 +391,9 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { // Create the generic arguments for the associated type or constant by joining the // parent arguments (the arguments of the trait) and the own arguments (the ones of // the associated item itself) and construct an alias type using them. - let alias_ty = candidate.map_bound(|trait_ref| { - let ident = Ident::new(assoc_item.name, constraint.ident.span); + let alias_term = candidate.map_bound(|trait_ref| { let item_segment = hir::PathSegment { - ident, + ident: constraint.ident, hir_id: constraint.hir_id, res: Res::Err, args: Some(constraint.gen_args), @@ -428,15 +412,15 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { }); // Provide the resolved type of the associated constant to `type_of(AnonConst)`. - if let hir::AssocItemConstraintKind::Equality { term: hir::Term::Const(anon_const) } = - constraint.kind - { - let ty = alias_ty.map_bound(|ty| tcx.type_of(ty.def_id).instantiate(tcx, ty.args)); - let ty = check_assoc_const_binding_type(tcx, assoc_ident, ty, constraint.hir_id); + if let Some(anon_const) = constraint.ct() { + let ty = alias_term + .map_bound(|alias| tcx.type_of(alias.def_id).instantiate(tcx, alias.args)); + let ty = + check_assoc_const_binding_type(tcx, constraint.ident, ty, constraint.hir_id); tcx.feed_anon_const_type(anon_const.def_id, ty::EarlyBinder::bind(ty)); } - alias_ty + alias_term }; match constraint.kind { diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs index 54b7f7f36ed2..34bf8c027b74 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs @@ -1166,8 +1166,10 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { }; let trait_did = bound.def_id(); - let assoc_ty_did = self.probe_assoc_ty(assoc_ident, hir_ref_id, span, trait_did).unwrap(); - let ty = self.lower_assoc_ty(span, assoc_ty_did, assoc_segment, bound); + let assoc_ty = self + .probe_assoc_item(assoc_ident, ty::AssocKind::Type, hir_ref_id, span, trait_did) + .expect("failed to find associated type"); + let ty = self.lower_assoc_ty(span, assoc_ty.def_id, assoc_segment, bound); if let Some(variant_def_id) = variant_resolution { tcx.node_span_lint(AMBIGUOUS_ASSOCIATED_ITEMS, hir_ref_id, span, |lint| { @@ -1183,7 +1185,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { }; could_refer_to(DefKind::Variant, variant_def_id, ""); - could_refer_to(DefKind::AssocTy, assoc_ty_did, " also"); + could_refer_to(DefKind::AssocTy, assoc_ty.def_id, " also"); lint.span_suggestion( span, @@ -1193,7 +1195,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { ); }); } - Ok((ty, DefKind::AssocTy, assoc_ty_did)) + Ok((ty, DefKind::AssocTy, assoc_ty.def_id)) } fn probe_inherent_assoc_ty( @@ -1220,7 +1222,11 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { let candidates: Vec<_> = tcx .inherent_impls(adt_did)? .iter() - .filter_map(|&impl_| Some((impl_, self.probe_assoc_ty_unchecked(name, block, impl_)?))) + .filter_map(|&impl_| { + let (item, scope) = + self.probe_assoc_item_unchecked(name, ty::AssocKind::Type, block, impl_)?; + Some((impl_, (item.def_id, scope))) + }) .collect(); if candidates.is_empty() { @@ -1264,7 +1270,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { }, )?; - self.check_assoc_ty(assoc_item, name, def_scope, block, span); + self.check_assoc_item(assoc_item, name, def_scope, block, span); // FIXME(fmease): Currently creating throwaway `parent_args` to please // `lower_generic_args_of_assoc_item`. Modify the latter instead (or sth. similar) to @@ -1351,50 +1357,69 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { } } - fn probe_assoc_ty(&self, name: Ident, block: HirId, span: Span, scope: DefId) -> Option { - let (item, def_scope) = self.probe_assoc_ty_unchecked(name, block, scope)?; - self.check_assoc_ty(item, name, def_scope, block, span); + /// Given name and kind search for the assoc item in the provided scope and check if it's accessible[^1]. + /// + /// [^1]: I.e., accessible in the provided scope wrt. visibility and stability. + fn probe_assoc_item( + &self, + ident: Ident, + kind: ty::AssocKind, + block: HirId, + span: Span, + scope: DefId, + ) -> Option { + let (item, scope) = self.probe_assoc_item_unchecked(ident, kind, block, scope)?; + self.check_assoc_item(item.def_id, ident, scope, block, span); Some(item) } - fn probe_assoc_ty_unchecked( + /// Given name and kind search for the assoc item in the provided scope + /// *without* checking if it's accessible[^1]. + /// + /// [^1]: I.e., accessible in the provided scope wrt. visibility and stability. + fn probe_assoc_item_unchecked( &self, - name: Ident, + ident: Ident, + kind: ty::AssocKind, block: HirId, scope: DefId, - ) -> Option<(DefId, DefId)> { + ) -> Option<(ty::AssocItem, /*scope*/ DefId)> { let tcx = self.tcx(); - let (ident, def_scope) = tcx.adjust_ident_and_get_scope(name, scope, block); + let (ident, def_scope) = tcx.adjust_ident_and_get_scope(ident, scope, block); // We have already adjusted the item name above, so compare with `.normalize_to_macros_2_0()` // instead of calling `filter_by_name_and_kind` which would needlessly normalize the // `ident` again and again. - let item = tcx.associated_items(scope).in_definition_order().find(|i| { - i.kind.namespace() == Namespace::TypeNS - && i.ident(tcx).normalize_to_macros_2_0() == ident - })?; + let item = tcx + .associated_items(scope) + .filter_by_name_unhygienic(ident.name) + .find(|i| i.kind == kind && i.ident(tcx).normalize_to_macros_2_0() == ident)?; - Some((item.def_id, def_scope)) + Some((*item, def_scope)) } - fn check_assoc_ty(&self, item: DefId, name: Ident, def_scope: DefId, block: HirId, span: Span) { + /// Check if the given assoc item is accessible in the provided scope wrt. visibility and stability. + fn check_assoc_item( + &self, + item_def_id: DefId, + ident: Ident, + scope: DefId, + block: HirId, + span: Span, + ) { let tcx = self.tcx(); - let kind = DefKind::AssocTy; - if !tcx.visibility(item).is_accessible_from(def_scope, tcx) { - let kind = tcx.def_kind_descr(kind, item); - let msg = format!("{kind} `{name}` is private"); - let def_span = tcx.def_span(item); - let reported = tcx - .dcx() - .struct_span_err(span, msg) - .with_code(E0624) - .with_span_label(span, format!("private {kind}")) - .with_span_label(def_span, format!("{kind} defined here")) - .emit(); + if !tcx.visibility(item_def_id).is_accessible_from(scope, tcx) { + let reported = tcx.dcx().emit_err(crate::errors::AssocItemIsPrivate { + span, + kind: tcx.def_descr(item_def_id), + name: ident, + defined_here_label: tcx.def_span(item_def_id), + }); self.set_tainted_by_errors(reported); } - tcx.check_stability(item, Some(block), span, None); + + tcx.check_stability(item_def_id, Some(block), span, None); } fn probe_traits_that_match_assoc_ty( diff --git a/tests/ui/associated-inherent-types/assoc-inherent-private.stderr b/tests/ui/associated-inherent-types/assoc-inherent-private.stderr index d67b45dae3fb..e3802a9f5bc4 100644 --- a/tests/ui/associated-inherent-types/assoc-inherent-private.stderr +++ b/tests/ui/associated-inherent-types/assoc-inherent-private.stderr @@ -2,7 +2,7 @@ error[E0624]: associated type `P` is private --> $DIR/assoc-inherent-private.rs:10:10 | LL | type P = (); - | ------ associated type defined here + | ------ the associated type is defined here ... LL | type U = m::T::P; | ^^^^^^^ private associated type @@ -11,7 +11,7 @@ error[E0624]: associated type `P` is private --> $DIR/assoc-inherent-private.rs:21:10 | LL | pub(super) type P = bool; - | ----------------- associated type defined here + | ----------------- the associated type is defined here ... LL | type V = n::n::T::P; | ^^^^^^^^^^ private associated type diff --git a/tests/ui/traits/item-privacy.stderr b/tests/ui/traits/item-privacy.stderr index d08bb4745bf5..4b5339b64ad5 100644 --- a/tests/ui/traits/item-privacy.stderr +++ b/tests/ui/traits/item-privacy.stderr @@ -195,14 +195,17 @@ error[E0624]: associated type `A` is private --> $DIR/item-privacy.rs:119:12 | LL | type A = u8; - | ------ associated type defined here + | ------ the associated type is defined here ... LL | let _: T::A; | ^^^^ private associated type -error: associated type `A` is private +error[E0624]: associated type `A` is private --> $DIR/item-privacy.rs:128:9 | +LL | type A = u8; + | ------ the associated type is defined here +... LL | A = u8, | ^^^^^^ private associated type From ac96fa44faa786ad5682e6ed7359842d0e6a4b53 Mon Sep 17 00:00:00 2001 From: Kevin Reid Date: Sun, 12 May 2024 21:31:13 -0700 Subject: [PATCH 0983/1716] Use inline const instead of unsafe to construct arrays in `MaybeUninit` examples. --- library/core/src/mem/maybe_uninit.rs | 14 ++++---------- 1 file changed, 4 insertions(+), 10 deletions(-) diff --git a/library/core/src/mem/maybe_uninit.rs b/library/core/src/mem/maybe_uninit.rs index 026e21586d40..56af7fa9c89c 100644 --- a/library/core/src/mem/maybe_uninit.rs +++ b/library/core/src/mem/maybe_uninit.rs @@ -120,12 +120,8 @@ use crate::slice; /// use std::mem::{self, MaybeUninit}; /// /// let data = { -/// // Create an uninitialized array of `MaybeUninit`. The `assume_init` is -/// // safe because the type we are claiming to have initialized here is a -/// // bunch of `MaybeUninit`s, which do not require initialization. -/// let mut data: [MaybeUninit>; 1000] = unsafe { -/// MaybeUninit::uninit().assume_init() -/// }; +/// // Create an uninitialized array of `MaybeUninit`. +/// let mut data: [MaybeUninit>; 1000] = [const { MaybeUninit::uninit() }; 1000]; /// /// // Dropping a `MaybeUninit` does nothing, so if there is a panic during this loop, /// // we have a memory leak, but there is no memory safety issue. @@ -147,10 +143,8 @@ use crate::slice; /// ``` /// use std::mem::MaybeUninit; /// -/// // Create an uninitialized array of `MaybeUninit`. The `assume_init` is -/// // safe because the type we are claiming to have initialized here is a -/// // bunch of `MaybeUninit`s, which do not require initialization. -/// let mut data: [MaybeUninit; 1000] = unsafe { MaybeUninit::uninit().assume_init() }; +/// // Create an uninitialized array of `MaybeUninit`. +/// let mut data: [MaybeUninit; 1000] = [const { MaybeUninit::uninit() }; 1000]; /// // Count the number of elements we have assigned. /// let mut data_len: usize = 0; /// From ec8fa177190f1f0279fade487dfa4cef23dd1101 Mon Sep 17 00:00:00 2001 From: Kevin Reid Date: Sun, 12 May 2024 21:36:09 -0700 Subject: [PATCH 0984/1716] Use inline const instead of unsafe to implement `MaybeUninit::uninit_array()`. --- library/core/src/mem/maybe_uninit.rs | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/library/core/src/mem/maybe_uninit.rs b/library/core/src/mem/maybe_uninit.rs index 56af7fa9c89c..4175d4a33294 100644 --- a/library/core/src/mem/maybe_uninit.rs +++ b/library/core/src/mem/maybe_uninit.rs @@ -342,8 +342,7 @@ impl MaybeUninit { #[must_use] #[inline(always)] pub const fn uninit_array() -> [Self; N] { - // SAFETY: An uninitialized `[MaybeUninit<_>; LEN]` is valid. - unsafe { MaybeUninit::<[MaybeUninit; N]>::uninit().assume_init() } + [const { MaybeUninit::uninit() }; N] } /// Creates a new `MaybeUninit` in an uninitialized state, with the memory being From dca68e93908ab3a3e0277b198a32bff33e847788 Mon Sep 17 00:00:00 2001 From: Alan Wu Date: Tue, 4 Jun 2024 12:19:17 -0400 Subject: [PATCH 0985/1716] ci: use GCC 13 as cross compiler in `dist-aarch64-linux` I'm proposing this GCC upgrade since it addresses bug #125619. The regression in question affects stable release consumers who tend to have no exposure to Rust build tools, so if at all possible, I would like to have it resolved in the next stable release. I have tried to fix the bug in `compiler-builtins`, which led to submitting a PR for `compiler-rt` in upstream LLVM, but it may take a long time before these upstreams address this regression. A summary of why upgrading GCC solves the regression follows. `__multc3()` is a builtin function `compiler-builtins` exposes for specifically aarch64, non-Windows targets [1]. The object file for it is included in `staticlib` archives through `libstd`. The implementation for `__multc3()` is from `multc3.c`, part of LLVM's `compiler-rt`. Upstream `compiler-rt` normally builds the C file using the Clang from the same LLVM version. On the other hand, `compiler-builtins` builds the C file using GCC, outside of the usual LLVM build system. The upstream implementation doesn't have feature detection which works for GCC version older than 10, and ends up producing an unlinkable object. Upstream LLVM might be slow to respond to this issue as they might deem `compiler-builtin` as doing something out of the ordinary from their perspective. They might reasonably assume everyone builds `compiler-rt` through LLVM's build system. I have done the following to test this change: - verified that a local build without this patch exhibits the regression. - verified that with this patch, the object for `__multc3()` has no reference to undefined functions in the symbol table. - verified that with this patch, `rustc` is usable to build Ruby with YJIT, and that the reported regression is resolved. [1]: https://github.com/rust-lang/compiler-builtins/blob/c04eb9e1afb72bdf943f5e5d77b3812f40526602/build.rs#L524-L539 --- src/ci/docker/README.md | 2 +- .../host-x86_64/dist-aarch64-linux/aarch64-linux-gnu.defconfig | 2 -- 2 files changed, 1 insertion(+), 3 deletions(-) diff --git a/src/ci/docker/README.md b/src/ci/docker/README.md index 9af368ef4450..824c904e17f7 100644 --- a/src/ci/docker/README.md +++ b/src/ci/docker/README.md @@ -233,7 +233,7 @@ For targets: `aarch64-unknown-linux-gnu` - Operating System > Linux kernel version = 4.1.49 - Binary utilities > Version of binutils = 2.29.1 - C-library > glibc version = 2.17 -- aarch64 support was introduced in this version -- C compiler > gcc version = 8.5.0 +- C compiler > gcc version = 13.2.0 - C compiler > C++ = ENABLE -- to cross compile LLVM ### `i586-linux-gnu.defconfig` diff --git a/src/ci/docker/host-x86_64/dist-aarch64-linux/aarch64-linux-gnu.defconfig b/src/ci/docker/host-x86_64/dist-aarch64-linux/aarch64-linux-gnu.defconfig index 47e984ef85a2..520b1667c8be 100644 --- a/src/ci/docker/host-x86_64/dist-aarch64-linux/aarch64-linux-gnu.defconfig +++ b/src/ci/docker/host-x86_64/dist-aarch64-linux/aarch64-linux-gnu.defconfig @@ -6,7 +6,5 @@ CT_ARCH_ARM=y CT_ARCH_64=y CT_KERNEL_LINUX=y CT_LINUX_V_4_1=y -CT_BINUTILS_V_2_29=y CT_GLIBC_V_2_17=y -CT_GCC_V_8=y CT_CC_LANG_CXX=y From c6073174ab1311fec27fb7ba5921c169656b1448 Mon Sep 17 00:00:00 2001 From: David Carlier Date: Tue, 4 Jun 2024 23:33:35 +0000 Subject: [PATCH 0986/1716] std::unix::fs::get_mode implementation for illumos/solaris. they both support the F_GETFL fctnl flag/O_ACCMODE mask to get the file descriptor access modes. --- library/std/src/sys/pal/unix/fs.rs | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/library/std/src/sys/pal/unix/fs.rs b/library/std/src/sys/pal/unix/fs.rs index a79a232e3d5b..dbaf86d73a61 100644 --- a/library/std/src/sys/pal/unix/fs.rs +++ b/library/std/src/sys/pal/unix/fs.rs @@ -1557,6 +1557,8 @@ impl fmt::Debug for File { target_os = "netbsd", target_os = "openbsd", target_os = "vxworks", + target_os = "solaris", + target_os = "illumos", target_vendor = "apple", ))] fn get_mode(fd: c_int) -> Option<(bool, bool)> { @@ -1579,6 +1581,8 @@ impl fmt::Debug for File { target_os = "netbsd", target_os = "openbsd", target_os = "vxworks", + target_os = "solaris", + target_os = "illumos", target_vendor = "apple", )))] fn get_mode(_fd: c_int) -> Option<(bool, bool)> { From 2a219372376fef987ddc79332cd682f17f3ca281 Mon Sep 17 00:00:00 2001 From: Lokathor Date: Tue, 4 Jun 2024 17:50:06 -0600 Subject: [PATCH 0987/1716] Add a co-maintainer for the two ARMv4T targets --- src/doc/rustc/src/platform-support/armv4t-none-eabi.md | 1 + 1 file changed, 1 insertion(+) diff --git a/src/doc/rustc/src/platform-support/armv4t-none-eabi.md b/src/doc/rustc/src/platform-support/armv4t-none-eabi.md index ab8b4caaadff..0c5129d0efbb 100644 --- a/src/doc/rustc/src/platform-support/armv4t-none-eabi.md +++ b/src/doc/rustc/src/platform-support/armv4t-none-eabi.md @@ -12,6 +12,7 @@ overall performance. ## Target Maintainers * [@Lokathor](https://github.com/lokathor) +* [@corwinkuiper](https://github.com/corwinkuiper) ## Testing From 8a0f1957982a6042ec550147243f811f25889d9c Mon Sep 17 00:00:00 2001 From: Weihang Lo Date: Thu, 23 May 2024 16:48:52 -0400 Subject: [PATCH 0988/1716] docs: add README.md for build_helper --- src/tools/build_helper/README.md | 1 + src/tools/build_helper/src/lib.rs | 2 ++ 2 files changed, 3 insertions(+) create mode 100644 src/tools/build_helper/README.md diff --git a/src/tools/build_helper/README.md b/src/tools/build_helper/README.md new file mode 100644 index 000000000000..f81b631c3fdb --- /dev/null +++ b/src/tools/build_helper/README.md @@ -0,0 +1 @@ +Types and functions shared across tools in this workspace. diff --git a/src/tools/build_helper/src/lib.rs b/src/tools/build_helper/src/lib.rs index 2abda5d3ebf2..d831cfa0d79a 100644 --- a/src/tools/build_helper/src/lib.rs +++ b/src/tools/build_helper/src/lib.rs @@ -1,3 +1,5 @@ +//! Types and functions shared across tools in this workspace. + pub mod ci; pub mod git; pub mod metrics; From e1ae0fa055bf358cec14d41e7ddd96cd8964eb9d Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 29 May 2024 16:20:19 +1000 Subject: [PATCH 0989/1716] `UNICODE_ARRAY` and `ASCII_ARRAY` fixes. - Avoid unnecessary escaping of single quotes within string literals. - Add a missing blank line between two `UNICODE_ARRAY` sections. --- .../rustc_parse/src/lexer/unicode_chars.rs | 75 ++++++++++--------- 1 file changed, 38 insertions(+), 37 deletions(-) diff --git a/compiler/rustc_parse/src/lexer/unicode_chars.rs b/compiler/rustc_parse/src/lexer/unicode_chars.rs index c9470151a7ba..8eb299108d10 100644 --- a/compiler/rustc_parse/src/lexer/unicode_chars.rs +++ b/compiler/rustc_parse/src/lexer/unicode_chars.rs @@ -129,42 +129,42 @@ pub(super) const UNICODE_ARRAY: &[(char, &str, &str)] = &[ ('。', "Ideographic Full Stop", "."), ('︒', "Presentation Form For Vertical Ideographic Full Stop", "."), - ('՝', "Armenian Comma", "\'"), - ('＇', "Fullwidth Apostrophe", "\'"), - ('‘', "Left Single Quotation Mark", "\'"), - ('’', "Right Single Quotation Mark", "\'"), - ('‛', "Single High-Reversed-9 Quotation Mark", "\'"), - ('′', "Prime", "\'"), - ('‵', "Reversed Prime", "\'"), - ('՚', "Armenian Apostrophe", "\'"), - ('׳', "Hebrew Punctuation Geresh", "\'"), - ('`', "Grave Accent", "\'"), - ('`', "Greek Varia", "\'"), - ('｀', "Fullwidth Grave Accent", "\'"), - ('´', "Acute Accent", "\'"), - ('΄', "Greek Tonos", "\'"), - ('´', "Greek Oxia", "\'"), - ('᾽', "Greek Koronis", "\'"), - ('᾿', "Greek Psili", "\'"), - ('῾', "Greek Dasia", "\'"), - ('ʹ', "Modifier Letter Prime", "\'"), - ('ʹ', "Greek Numeral Sign", "\'"), - ('ˈ', "Modifier Letter Vertical Line", "\'"), - ('ˊ', "Modifier Letter Acute Accent", "\'"), - ('ˋ', "Modifier Letter Grave Accent", "\'"), - ('˴', "Modifier Letter Middle Grave Accent", "\'"), - ('ʻ', "Modifier Letter Turned Comma", "\'"), - ('ʽ', "Modifier Letter Reversed Comma", "\'"), - ('ʼ', "Modifier Letter Apostrophe", "\'"), - ('ʾ', "Modifier Letter Right Half Ring", "\'"), - ('ꞌ', "Latin Small Letter Saltillo", "\'"), - ('י', "Hebrew Letter Yod", "\'"), - ('ߴ', "Nko High Tone Apostrophe", "\'"), - ('ߵ', "Nko Low Tone Apostrophe", "\'"), - ('ᑊ', "Canadian Syllabics West-Cree P", "\'"), - ('ᛌ', "Runic Letter Short-Twig-Sol S", "\'"), - ('𖽑', "Miao Sign Aspiration", "\'"), - ('𖽒', "Miao Sign Reformed Voicing", "\'"), + ('՝', "Armenian Comma", "'"), + ('＇', "Fullwidth Apostrophe", "'"), + ('‘', "Left Single Quotation Mark", "'"), + ('’', "Right Single Quotation Mark", "'"), + ('‛', "Single High-Reversed-9 Quotation Mark", "'"), + ('′', "Prime", "'"), + ('‵', "Reversed Prime", "'"), + ('՚', "Armenian Apostrophe", "'"), + ('׳', "Hebrew Punctuation Geresh", "'"), + ('`', "Grave Accent", "'"), + ('`', "Greek Varia", "'"), + ('｀', "Fullwidth Grave Accent", "'"), + ('´', "Acute Accent", "'"), + ('΄', "Greek Tonos", "'"), + ('´', "Greek Oxia", "'"), + ('᾽', "Greek Koronis", "'"), + ('᾿', "Greek Psili", "'"), + ('῾', "Greek Dasia", "'"), + ('ʹ', "Modifier Letter Prime", "'"), + ('ʹ', "Greek Numeral Sign", "'"), + ('ˈ', "Modifier Letter Vertical Line", "'"), + ('ˊ', "Modifier Letter Acute Accent", "'"), + ('ˋ', "Modifier Letter Grave Accent", "'"), + ('˴', "Modifier Letter Middle Grave Accent", "'"), + ('ʻ', "Modifier Letter Turned Comma", "'"), + ('ʽ', "Modifier Letter Reversed Comma", "'"), + ('ʼ', "Modifier Letter Apostrophe", "'"), + ('ʾ', "Modifier Letter Right Half Ring", "'"), + ('ꞌ', "Latin Small Letter Saltillo", "'"), + ('י', "Hebrew Letter Yod", "'"), + ('ߴ', "Nko High Tone Apostrophe", "'"), + ('ߵ', "Nko Low Tone Apostrophe", "'"), + ('ᑊ', "Canadian Syllabics West-Cree P", "'"), + ('ᛌ', "Runic Letter Short-Twig-Sol S", "'"), + ('𖽑', "Miao Sign Aspiration", "'"), + ('𖽒', "Miao Sign Reformed Voicing", "'"), ('᳓', "Vedic Sign Nihshvasa", "\""), ('＂', "Fullwidth Quotation Mark", "\""), @@ -298,6 +298,7 @@ pub(super) const UNICODE_ARRAY: &[(char, &str, &str)] = &[ ('〉', "Right Angle Bracket", ">"), ('》', "Right Double Angle Bracket", ">"), ('＞', "Fullwidth Greater-Than Sign", ">"), + ('⩵', "Two Consecutive Equals Signs", "==") ]; @@ -332,7 +333,7 @@ const ASCII_ARRAY: &[(&str, &str, Option)] = &[ (">", "Greater-Than Sign", Some(token::Gt)), // FIXME: Literals are already lexed by this point, so we can't recover gracefully just by // spitting the correct token out. - ("\'", "Single Quote", None), + ("'", "Single Quote", None), ("\"", "Quotation Mark", None), ]; From d1215da26e7848bd925a9fffecdaa7ea51b360c3 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Fri, 31 May 2024 09:23:35 +1000 Subject: [PATCH 0990/1716] Don't use the word "parse" for lexing operations. Lexing converts source text into a token stream. Parsing converts a token stream into AST fragments. This commit renames several lexing operations that have "parse" in the name. I think these names have been subtly confusing me for years. This is just a `s/parse/lex/` on function names, with one exception: `parse_stream_from_source_str` becomes `source_str_to_stream`, to make it consistent with the existing `source_file_to_stream`. The commit also moves that function's location in the file to be just above `source_file_to_stream`. The commit also cleans up a few comments along the way. --- .../rustc_expand/src/proc_macro_server.rs | 4 +- compiler/rustc_parse/src/lexer/mod.rs | 4 +- compiler/rustc_parse/src/lexer/tokentrees.rs | 47 +++++++++---------- compiler/rustc_parse/src/lib.rs | 24 +++++----- .../passes/lint/check_code_block_syntax.rs | 11 ++--- 5 files changed, 41 insertions(+), 49 deletions(-) diff --git a/compiler/rustc_expand/src/proc_macro_server.rs b/compiler/rustc_expand/src/proc_macro_server.rs index c2e799abae80..3b167c42e57d 100644 --- a/compiler/rustc_expand/src/proc_macro_server.rs +++ b/compiler/rustc_expand/src/proc_macro_server.rs @@ -13,7 +13,7 @@ use rustc_data_structures::fx::FxHashMap; use rustc_data_structures::sync::Lrc; use rustc_errors::{Diag, ErrorGuaranteed, MultiSpan, PResult}; use rustc_parse::lexer::nfc_normalize; -use rustc_parse::parse_stream_from_source_str; +use rustc_parse::source_str_to_stream; use rustc_session::parse::ParseSess; use rustc_span::def_id::CrateNum; use rustc_span::symbol::{self, sym, Symbol}; @@ -538,7 +538,7 @@ impl server::TokenStream for Rustc<'_, '_> { } fn from_str(&mut self, src: &str) -> Self::TokenStream { - parse_stream_from_source_str( + source_str_to_stream( FileName::proc_macro_source_code(src), src.to_string(), self.psess(), diff --git a/compiler/rustc_parse/src/lexer/mod.rs b/compiler/rustc_parse/src/lexer/mod.rs index d3a6a0339784..43f4963b27ac 100644 --- a/compiler/rustc_parse/src/lexer/mod.rs +++ b/compiler/rustc_parse/src/lexer/mod.rs @@ -42,7 +42,7 @@ pub(crate) struct UnmatchedDelim { pub candidate_span: Option, } -pub(crate) fn parse_token_trees<'psess, 'src>( +pub(crate) fn lex_token_trees<'psess, 'src>( psess: &'psess ParseSess, mut src: &'src str, mut start_pos: BytePos, @@ -66,7 +66,7 @@ pub(crate) fn parse_token_trees<'psess, 'src>( last_lifetime: None, }; let (stream, res, unmatched_delims) = - tokentrees::TokenTreesReader::parse_all_token_trees(string_reader); + tokentrees::TokenTreesReader::lex_all_token_trees(string_reader); match res { Ok(()) if unmatched_delims.is_empty() => Ok(stream), _ => { diff --git a/compiler/rustc_parse/src/lexer/tokentrees.rs b/compiler/rustc_parse/src/lexer/tokentrees.rs index eabe0226b2fb..fcbfa108d066 100644 --- a/compiler/rustc_parse/src/lexer/tokentrees.rs +++ b/compiler/rustc_parse/src/lexer/tokentrees.rs @@ -17,7 +17,7 @@ pub(super) struct TokenTreesReader<'psess, 'src> { } impl<'psess, 'src> TokenTreesReader<'psess, 'src> { - pub(super) fn parse_all_token_trees( + pub(super) fn lex_all_token_trees( string_reader: StringReader<'psess, 'src>, ) -> (TokenStream, Result<(), Vec>>, Vec) { let mut tt_reader = TokenTreesReader { @@ -25,14 +25,13 @@ impl<'psess, 'src> TokenTreesReader<'psess, 'src> { token: Token::dummy(), diag_info: TokenTreeDiagInfo::default(), }; - let (_open_spacing, stream, res) = - tt_reader.parse_token_trees(/* is_delimited */ false); + let (_open_spacing, stream, res) = tt_reader.lex_token_trees(/* is_delimited */ false); (stream, res, tt_reader.diag_info.unmatched_delims) } - // Parse a stream of tokens into a list of `TokenTree`s. The `Spacing` in - // the result is that of the opening delimiter. - fn parse_token_trees( + // Lex into a token stream. The `Spacing` in the result is that of the + // opening delimiter. + fn lex_token_trees( &mut self, is_delimited: bool, ) -> (Spacing, TokenStream, Result<(), Vec>>) { @@ -42,12 +41,10 @@ impl<'psess, 'src> TokenTreesReader<'psess, 'src> { let mut buf = Vec::new(); loop { match self.token.kind { - token::OpenDelim(delim) => { - buf.push(match self.parse_token_tree_open_delim(delim) { - Ok(val) => val, - Err(errs) => return (open_spacing, TokenStream::new(buf), Err(errs)), - }) - } + token::OpenDelim(delim) => buf.push(match self.lex_token_tree_open_delim(delim) { + Ok(val) => val, + Err(errs) => return (open_spacing, TokenStream::new(buf), Err(errs)), + }), token::CloseDelim(delim) => { return ( open_spacing, @@ -95,24 +92,24 @@ impl<'psess, 'src> TokenTreesReader<'psess, 'src> { err } - fn parse_token_tree_open_delim( + fn lex_token_tree_open_delim( &mut self, open_delim: Delimiter, ) -> Result>> { - // The span for beginning of the delimited section + // The span for beginning of the delimited section. let pre_span = self.token.span; self.diag_info.open_braces.push((open_delim, self.token.span)); - // Parse the token trees within the delimiters. + // Lex the token trees within the delimiters. // We stop at any delimiter so we can try to recover if the user // uses an incorrect delimiter. - let (open_spacing, tts, res) = self.parse_token_trees(/* is_delimited */ true); + let (open_spacing, tts, res) = self.lex_token_trees(/* is_delimited */ true); if let Err(errs) = res { return Err(self.unclosed_delim_err(tts, errs)); } - // Expand to cover the entire delimited token tree + // Expand to cover the entire delimited token tree. let delim_span = DelimSpan::from_pair(pre_span, self.token.span); let sm = self.string_reader.psess.source_map(); @@ -150,7 +147,7 @@ impl<'psess, 'src> TokenTreesReader<'psess, 'src> { self.diag_info.last_unclosed_found_span = Some(self.token.span); // This is a conservative error: only report the last unclosed // delimiter. The previous unclosed delimiters could actually be - // closed! The parser just hasn't gotten to them yet. + // closed! The lexer just hasn't gotten to them yet. if let Some(&(_, sp)) = self.diag_info.open_braces.last() { unclosed_delimiter = Some(sp); }; @@ -236,9 +233,9 @@ impl<'psess, 'src> TokenTreesReader<'psess, 'src> { // out instead of complaining about the unclosed delims. let mut parser = crate::stream_to_parser(self.string_reader.psess, tts, None); let mut diff_errs = vec![]; - // Suggest removing a `{` we think appears in an `if`/`while` condition - // We want to suggest removing a `{` only if we think we're in an `if`/`while` condition, but - // we have no way of tracking this in the lexer itself, so we piggyback on the parser + // Suggest removing a `{` we think appears in an `if`/`while` condition. + // We want to suggest removing a `{` only if we think we're in an `if`/`while` condition, + // but we have no way of tracking this in the lexer itself, so we piggyback on the parser. let mut in_cond = false; while parser.token != token::Eof { if let Err(diff_err) = parser.err_vcs_conflict_marker() { @@ -249,14 +246,15 @@ impl<'psess, 'src> TokenTreesReader<'psess, 'src> { parser.token.kind, token::CloseDelim(Delimiter::Brace) | token::FatArrow ) { - // end of the `if`/`while` body, or the end of a `match` guard + // End of the `if`/`while` body, or the end of a `match` guard. in_cond = false; } else if in_cond && parser.token == token::OpenDelim(Delimiter::Brace) { // Store the `&&` and `let` to use their spans later when creating the diagnostic let maybe_andand = parser.look_ahead(1, |t| t.clone()); let maybe_let = parser.look_ahead(2, |t| t.clone()); if maybe_andand == token::OpenDelim(Delimiter::Brace) { - // This might be the beginning of the `if`/`while` body (i.e., the end of the condition) + // This might be the beginning of the `if`/`while` body (i.e., the end of the + // condition). in_cond = false; } else if maybe_andand == token::AndAnd && maybe_let.is_keyword(kw::Let) { let mut err = parser.dcx().struct_span_err( @@ -288,8 +286,7 @@ impl<'psess, 'src> TokenTreesReader<'psess, 'src> { } fn close_delim_err(&mut self, delim: Delimiter) -> PErr<'psess> { - // An unexpected closing delimiter (i.e., there is no - // matching opening delimiter). + // An unexpected closing delimiter (i.e., there is no matching opening delimiter). let token_str = token_to_string(&self.token); let msg = format!("unexpected closing delimiter: `{token_str}`"); let mut err = self.string_reader.psess.dcx.struct_span_err(self.token.span, msg); diff --git a/compiler/rustc_parse/src/lib.rs b/compiler/rustc_parse/src/lib.rs index 322739be3fb3..b4610447be7b 100644 --- a/compiler/rustc_parse/src/lib.rs +++ b/compiler/rustc_parse/src/lib.rs @@ -84,15 +84,6 @@ pub fn parse_crate_attrs_from_source_str( new_parser_from_source_str(psess, name, source).parse_inner_attributes() } -pub fn parse_stream_from_source_str( - name: FileName, - source: String, - psess: &ParseSess, - override_span: Option, -) -> TokenStream { - source_file_to_stream(psess, psess.source_map().new_source_file(name, source), override_span) -} - /// Creates a new parser from a source string. pub fn new_parser_from_source_str(psess: &ParseSess, name: FileName, source: String) -> Parser<'_> { panictry_buffer!(maybe_new_parser_from_source_str(psess, name, source)) @@ -142,6 +133,15 @@ fn maybe_source_file_to_parser( // Base abstractions +pub fn source_str_to_stream( + name: FileName, + source: String, + psess: &ParseSess, + override_span: Option, +) -> TokenStream { + source_file_to_stream(psess, psess.source_map().new_source_file(name, source), override_span) +} + /// Given a `source_file`, produces a sequence of token trees. pub fn source_file_to_stream( psess: &ParseSess, @@ -165,7 +165,7 @@ fn maybe_file_to_stream<'psess>( )); }); - lexer::parse_token_trees(psess, src.as_str(), source_file.start_pos, override_span) + lexer::lex_token_trees(psess, src.as_str(), source_file.start_pos, override_span) } /// Given a stream and the `ParseSess`, produces a parser. @@ -195,13 +195,13 @@ pub fn parse_in<'a, T>( pub fn fake_token_stream_for_item(psess: &ParseSess, item: &ast::Item) -> TokenStream { let source = pprust::item_to_string(item); let filename = FileName::macro_expansion_source_code(&source); - parse_stream_from_source_str(filename, source, psess, Some(item.span)) + source_str_to_stream(filename, source, psess, Some(item.span)) } pub fn fake_token_stream_for_crate(psess: &ParseSess, krate: &ast::Crate) -> TokenStream { let source = pprust::crate_to_string_for_macros(krate); let filename = FileName::macro_expansion_source_code(&source); - parse_stream_from_source_str(filename, source, psess, Some(krate.spans.inner_span)) + source_str_to_stream(filename, source, psess, Some(krate.spans.inner_span)) } pub fn parse_cfg_attr( diff --git a/src/librustdoc/passes/lint/check_code_block_syntax.rs b/src/librustdoc/passes/lint/check_code_block_syntax.rs index 39350f4cbbb6..4f044450df27 100644 --- a/src/librustdoc/passes/lint/check_code_block_syntax.rs +++ b/src/librustdoc/passes/lint/check_code_block_syntax.rs @@ -5,7 +5,7 @@ use rustc_errors::{ translation::{to_fluent_args, Translate}, Applicability, DiagCtxt, DiagInner, LazyFallbackBundle, }; -use rustc_parse::parse_stream_from_source_str; +use rustc_parse::source_str_to_stream; use rustc_resolve::rustdoc::source_span_for_markdown_range; use rustc_session::parse::ParseSess; use rustc_span::hygiene::{AstPass, ExpnData, ExpnKind, LocalExpnId, Transparency}; @@ -51,13 +51,8 @@ fn check_rust_syntax( let span = DUMMY_SP.apply_mark(expn_id.to_expn_id(), Transparency::Transparent); let is_empty = rustc_driver::catch_fatal_errors(|| { - parse_stream_from_source_str( - FileName::Custom(String::from("doctest")), - source, - &psess, - Some(span), - ) - .is_empty() + source_str_to_stream(FileName::Custom(String::from("doctest")), source, &psess, Some(span)) + .is_empty() }) .unwrap_or(false); let buffer = buffer.borrow(); From f6576249abf9d66b936d55a4d15c44932c800fe2 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Fri, 31 May 2024 10:59:16 +1000 Subject: [PATCH 0991/1716] Inline and remove `error_malformed_cfg_attr_missing`. It has a single call site. This also means `CFG_ATTR_{GRAMMAR_HELP,NOTE_REF}` can be moved into `parse_cfg_attr`, now that it's the only function that uses them. And the commit removes the line break in the URL. --- compiler/rustc_parse/src/lib.rs | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/compiler/rustc_parse/src/lib.rs b/compiler/rustc_parse/src/lib.rs index b4610447be7b..a3de5db73474 100644 --- a/compiler/rustc_parse/src/lib.rs +++ b/compiler/rustc_parse/src/lib.rs @@ -208,6 +208,10 @@ pub fn parse_cfg_attr( attr: &Attribute, psess: &ParseSess, ) -> Option<(MetaItem, Vec<(AttrItem, Span)>)> { + const CFG_ATTR_GRAMMAR_HELP: &str = "#[cfg_attr(condition, attribute, other_attribute, ...)]"; + const CFG_ATTR_NOTE_REF: &str = "for more information, visit \ + "; + match attr.get_normal_item().args { ast::AttrArgs::Delimited(ast::DelimArgs { dspan, delim, ref tokens }) if !tokens.is_empty() => @@ -222,16 +226,12 @@ pub fn parse_cfg_attr( } } } - _ => error_malformed_cfg_attr_missing(attr.span, psess), + _ => { + psess.dcx.emit_err(errors::MalformedCfgAttr { + span: attr.span, + sugg: CFG_ATTR_GRAMMAR_HELP, + }); + } } None } - -const CFG_ATTR_GRAMMAR_HELP: &str = "#[cfg_attr(condition, attribute, other_attribute, ...)]"; -const CFG_ATTR_NOTE_REF: &str = "for more information, visit \ - "; - -fn error_malformed_cfg_attr_missing(span: Span, psess: &ParseSess) { - psess.dcx.emit_err(errors::MalformedCfgAttr { span, sugg: CFG_ATTR_GRAMMAR_HELP }); -} From 769ca3f661e3c9ef3b97007f210f73415fb92796 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Fri, 31 May 2024 11:01:23 +1000 Subject: [PATCH 0992/1716] Rename `maybe_file_to_stream` as `maybe_source_file_to_stream`. Because it takes an `Lrc`, and for consistency with `source_file_to_stream`. --- compiler/rustc_parse/src/lib.rs | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/compiler/rustc_parse/src/lib.rs b/compiler/rustc_parse/src/lib.rs index a3de5db73474..a818aae27b10 100644 --- a/compiler/rustc_parse/src/lib.rs +++ b/compiler/rustc_parse/src/lib.rs @@ -122,7 +122,7 @@ fn maybe_source_file_to_parser( source_file: Lrc, ) -> Result, Vec>> { let end_pos = source_file.end_position(); - let stream = maybe_file_to_stream(psess, source_file, None)?; + let stream = maybe_source_file_to_stream(psess, source_file, None)?; let mut parser = stream_to_parser(psess, stream, None); if parser.token == token::Eof { parser.token.span = Span::new(end_pos, end_pos, parser.token.span.ctxt(), None); @@ -148,12 +148,12 @@ pub fn source_file_to_stream( source_file: Lrc, override_span: Option, ) -> TokenStream { - panictry_buffer!(maybe_file_to_stream(psess, source_file, override_span)) + panictry_buffer!(maybe_source_file_to_stream(psess, source_file, override_span)) } /// Given a source file, produces a sequence of token trees. Returns any buffered errors from /// parsing the token stream. -fn maybe_file_to_stream<'psess>( +fn maybe_source_file_to_stream<'psess>( psess: &'psess ParseSess, source_file: Lrc, override_span: Option, From 3c321b9ea8706ca0b8e05222b82100bad8da805e Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Fri, 31 May 2024 13:32:54 +1000 Subject: [PATCH 0993/1716] Remove `stream_to_parser`. It's a zero-value wrapper of `Parser::new`. --- compiler/rustc_builtin_macros/src/cfg_eval.rs | 2 +- compiler/rustc_expand/src/base.rs | 6 +++--- compiler/rustc_expand/src/proc_macro.rs | 5 ++--- compiler/rustc_expand/src/proc_macro_server.rs | 7 ++----- compiler/rustc_parse/src/lexer/tokentrees.rs | 3 ++- compiler/rustc_parse/src/lib.rs | 11 +---------- src/tools/rustfmt/src/parse/macros/mod.rs | 4 ++-- 7 files changed, 13 insertions(+), 25 deletions(-) diff --git a/compiler/rustc_builtin_macros/src/cfg_eval.rs b/compiler/rustc_builtin_macros/src/cfg_eval.rs index 5f63a8ae0a8c..03aff6f96330 100644 --- a/compiler/rustc_builtin_macros/src/cfg_eval.rs +++ b/compiler/rustc_builtin_macros/src/cfg_eval.rs @@ -196,7 +196,7 @@ impl CfgEval<'_, '_> { // Re-parse the tokens, setting the `capture_cfg` flag to save extra information // to the captured `AttrTokenStream` (specifically, we capture // `AttrTokenTree::AttributesData` for all occurrences of `#[cfg]` and `#[cfg_attr]`) - let mut parser = rustc_parse::stream_to_parser(&self.cfg.sess.psess, orig_tokens, None); + let mut parser = Parser::new(&self.cfg.sess.psess, orig_tokens, None); parser.capture_cfg = true; match parse_annotatable_with(&mut parser) { Ok(a) => annotatable = a, diff --git a/compiler/rustc_expand/src/base.rs b/compiler/rustc_expand/src/base.rs index 4539129bd0f7..b3f6a35f3a4b 100644 --- a/compiler/rustc_expand/src/base.rs +++ b/compiler/rustc_expand/src/base.rs @@ -15,7 +15,7 @@ use rustc_data_structures::sync::{self, Lrc}; use rustc_errors::{DiagCtxt, ErrorGuaranteed, PResult}; use rustc_feature::Features; use rustc_lint_defs::{BufferedEarlyLint, RegisteredTools}; -use rustc_parse::{parser, MACRO_ARGUMENTS}; +use rustc_parse::{parser::Parser, MACRO_ARGUMENTS}; use rustc_session::config::CollapseMacroDebuginfo; use rustc_session::{parse::ParseSess, Limit, Session}; use rustc_span::def_id::{CrateNum, DefId, LocalDefId}; @@ -1149,8 +1149,8 @@ impl<'a> ExtCtxt<'a> { pub fn monotonic_expander<'b>(&'b mut self) -> expand::MacroExpander<'b, 'a> { expand::MacroExpander::new(self, true) } - pub fn new_parser_from_tts(&self, stream: TokenStream) -> parser::Parser<'a> { - rustc_parse::stream_to_parser(&self.sess.psess, stream, MACRO_ARGUMENTS) + pub fn new_parser_from_tts(&self, stream: TokenStream) -> Parser<'a> { + Parser::new(&self.sess.psess, stream, MACRO_ARGUMENTS) } pub fn source_map(&self) -> &'a SourceMap { self.sess.psess.source_map() diff --git a/compiler/rustc_expand/src/proc_macro.rs b/compiler/rustc_expand/src/proc_macro.rs index c11369f505f8..96145affe0ae 100644 --- a/compiler/rustc_expand/src/proc_macro.rs +++ b/compiler/rustc_expand/src/proc_macro.rs @@ -6,7 +6,7 @@ use rustc_ast as ast; use rustc_ast::ptr::P; use rustc_ast::tokenstream::TokenStream; use rustc_errors::ErrorGuaranteed; -use rustc_parse::parser::ForceCollect; +use rustc_parse::parser::{ForceCollect, Parser}; use rustc_session::config::ProcMacroExecutionStrategy; use rustc_span::profiling::SpannedEventArgRecorder; use rustc_span::Span; @@ -154,8 +154,7 @@ impl MultiItemModifier for DeriveProcMacro { }; let error_count_before = ecx.dcx().err_count(); - let mut parser = - rustc_parse::stream_to_parser(&ecx.sess.psess, stream, Some("proc-macro derive")); + let mut parser = Parser::new(&ecx.sess.psess, stream, Some("proc-macro derive")); let mut items = vec![]; loop { diff --git a/compiler/rustc_expand/src/proc_macro_server.rs b/compiler/rustc_expand/src/proc_macro_server.rs index 3b167c42e57d..9ae9f7c10c01 100644 --- a/compiler/rustc_expand/src/proc_macro_server.rs +++ b/compiler/rustc_expand/src/proc_macro_server.rs @@ -13,6 +13,7 @@ use rustc_data_structures::fx::FxHashMap; use rustc_data_structures::sync::Lrc; use rustc_errors::{Diag, ErrorGuaranteed, MultiSpan, PResult}; use rustc_parse::lexer::nfc_normalize; +use rustc_parse::parser::Parser; use rustc_parse::source_str_to_stream; use rustc_session::parse::ParseSess; use rustc_span::def_id::CrateNum; @@ -553,11 +554,7 @@ impl server::TokenStream for Rustc<'_, '_> { fn expand_expr(&mut self, stream: &Self::TokenStream) -> Result { // Parse the expression from our tokenstream. let expr: PResult<'_, _> = try { - let mut p = rustc_parse::stream_to_parser( - self.psess(), - stream.clone(), - Some("proc_macro expand expr"), - ); + let mut p = Parser::new(self.psess(), stream.clone(), Some("proc_macro expand expr")); let expr = p.parse_expr()?; if p.token != token::Eof { p.unexpected()?; diff --git a/compiler/rustc_parse/src/lexer/tokentrees.rs b/compiler/rustc_parse/src/lexer/tokentrees.rs index fcbfa108d066..f7645446081a 100644 --- a/compiler/rustc_parse/src/lexer/tokentrees.rs +++ b/compiler/rustc_parse/src/lexer/tokentrees.rs @@ -2,6 +2,7 @@ use super::diagnostics::report_suspicious_mismatch_block; use super::diagnostics::same_indentation_level; use super::diagnostics::TokenTreeDiagInfo; use super::{StringReader, UnmatchedDelim}; +use crate::Parser; use rustc_ast::token::{self, Delimiter, Token}; use rustc_ast::tokenstream::{DelimSpacing, DelimSpan, Spacing, TokenStream, TokenTree}; use rustc_ast_pretty::pprust::token_to_string; @@ -231,7 +232,7 @@ impl<'psess, 'src> TokenTreesReader<'psess, 'src> { ) -> Vec> { // If there are unclosed delims, see if there are diff markers and if so, point them // out instead of complaining about the unclosed delims. - let mut parser = crate::stream_to_parser(self.string_reader.psess, tts, None); + let mut parser = Parser::new(self.string_reader.psess, tts, None); let mut diff_errs = vec![]; // Suggest removing a `{` we think appears in an `if`/`while` condition. // We want to suggest removing a `{` only if we think we're in an `if`/`while` condition, diff --git a/compiler/rustc_parse/src/lib.rs b/compiler/rustc_parse/src/lib.rs index a818aae27b10..5bbbfe1430c3 100644 --- a/compiler/rustc_parse/src/lib.rs +++ b/compiler/rustc_parse/src/lib.rs @@ -123,7 +123,7 @@ fn maybe_source_file_to_parser( ) -> Result, Vec>> { let end_pos = source_file.end_position(); let stream = maybe_source_file_to_stream(psess, source_file, None)?; - let mut parser = stream_to_parser(psess, stream, None); + let mut parser = Parser::new(psess, stream, None); if parser.token == token::Eof { parser.token.span = Span::new(end_pos, end_pos, parser.token.span.ctxt(), None); } @@ -168,15 +168,6 @@ fn maybe_source_file_to_stream<'psess>( lexer::lex_token_trees(psess, src.as_str(), source_file.start_pos, override_span) } -/// Given a stream and the `ParseSess`, produces a parser. -pub fn stream_to_parser<'a>( - psess: &'a ParseSess, - stream: TokenStream, - subparser_name: Option<&'static str>, -) -> Parser<'a> { - Parser::new(psess, stream, subparser_name) -} - /// Runs the given subparser `f` on the tokens of the given `attr`'s item. pub fn parse_in<'a, T>( psess: &'a ParseSess, diff --git a/src/tools/rustfmt/src/parse/macros/mod.rs b/src/tools/rustfmt/src/parse/macros/mod.rs index 3cf133c647cc..cbcc0b2d6364 100644 --- a/src/tools/rustfmt/src/parse/macros/mod.rs +++ b/src/tools/rustfmt/src/parse/macros/mod.rs @@ -2,7 +2,7 @@ use rustc_ast::token::{Delimiter, NonterminalKind, TokenKind}; use rustc_ast::tokenstream::TokenStream; use rustc_ast::{ast, ptr}; use rustc_parse::parser::{ForceCollect, Parser, Recovery}; -use rustc_parse::{stream_to_parser, MACRO_ARGUMENTS}; +use rustc_parse::MACRO_ARGUMENTS; use rustc_session::parse::ParseSess; use rustc_span::symbol::{self, kw}; use rustc_span::Symbol; @@ -15,7 +15,7 @@ pub(crate) mod cfg_if; pub(crate) mod lazy_static; fn build_stream_parser<'a>(psess: &'a ParseSess, tokens: TokenStream) -> Parser<'a> { - stream_to_parser(psess, tokens, MACRO_ARGUMENTS).recovery(Recovery::Forbidden) + Parser::new(psess, tokens, MACRO_ARGUMENTS).recovery(Recovery::Forbidden) } fn build_parser<'a>(context: &RewriteContext<'a>, tokens: TokenStream) -> Parser<'a> { From af13b4892786a3f77d440016409414eeadd7d37e Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Fri, 31 May 2024 13:36:18 +1000 Subject: [PATCH 0994/1716] Improve `panictry_buffer!`. - Convert it from a macro to a function, which is nicer. - Rename it as `unwrap_or_emit_fatal`, which is clearer. - Fix the comment. In particular, `panictry!` no longer exists. - Remove the unnecessary `use` declaration. --- compiler/rustc_parse/src/lib.rs | 27 ++++++++++++--------------- 1 file changed, 12 insertions(+), 15 deletions(-) diff --git a/compiler/rustc_parse/src/lib.rs b/compiler/rustc_parse/src/lib.rs index 5bbbfe1430c3..298d02d2e58f 100644 --- a/compiler/rustc_parse/src/lib.rs +++ b/compiler/rustc_parse/src/lib.rs @@ -39,20 +39,17 @@ rustc_fluent_macro::fluent_messages! { "../messages.ftl" } // uses a HOF to parse anything, and includes file and // `source_str`. -/// A variant of 'panictry!' that works on a `Vec` instead of a single `Diag`. -macro_rules! panictry_buffer { - ($e:expr) => {{ - use std::result::Result::{Err, Ok}; - match $e { - Ok(e) => e, - Err(errs) => { - for e in errs { - e.emit(); - } - FatalError.raise() +// Unwrap the result if `Ok`, otherwise emit the diagnostics and abort. +fn unwrap_or_emit_fatal(expr: Result>>) -> T { + match expr { + Ok(expr) => expr, + Err(errs) => { + for err in errs { + err.emit(); } + FatalError.raise() } - }}; + } } pub fn parse_crate_from_file<'a>(input: &Path, psess: &'a ParseSess) -> PResult<'a, ast::Crate> { @@ -86,7 +83,7 @@ pub fn parse_crate_attrs_from_source_str( /// Creates a new parser from a source string. pub fn new_parser_from_source_str(psess: &ParseSess, name: FileName, source: String) -> Parser<'_> { - panictry_buffer!(maybe_new_parser_from_source_str(psess, name, source)) + unwrap_or_emit_fatal(maybe_new_parser_from_source_str(psess, name, source)) } /// Creates a new parser from a source string. Returns any buffered errors from lexing the initial @@ -112,7 +109,7 @@ pub fn new_parser_from_file<'a>(psess: &'a ParseSess, path: &Path, sp: Option, override_span: Option, ) -> TokenStream { - panictry_buffer!(maybe_source_file_to_stream(psess, source_file, override_span)) + unwrap_or_emit_fatal(maybe_source_file_to_stream(psess, source_file, override_span)) } /// Given a source file, produces a sequence of token trees. Returns any buffered errors from From 29e6e2859be6ea69a486bdc155df9311455f55dc Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Fri, 31 May 2024 13:38:51 +1000 Subject: [PATCH 0995/1716] Remove low-value comments. The first one is out-of-date -- there are no longer functions expr, item, stmt. And I don't know what a "HOF" is. The second one doesn't really tell you anything. --- compiler/rustc_parse/src/lib.rs | 7 ------- 1 file changed, 7 deletions(-) diff --git a/compiler/rustc_parse/src/lib.rs b/compiler/rustc_parse/src/lib.rs index 298d02d2e58f..2c5a0abc6aca 100644 --- a/compiler/rustc_parse/src/lib.rs +++ b/compiler/rustc_parse/src/lib.rs @@ -34,11 +34,6 @@ mod errors; rustc_fluent_macro::fluent_messages! { "../messages.ftl" } -// A bunch of utility functions of the form `parse__from_` -// where includes crate, expr, item, stmt, tts, and one that -// uses a HOF to parse anything, and includes file and -// `source_str`. - // Unwrap the result if `Ok`, otherwise emit the diagnostics and abort. fn unwrap_or_emit_fatal(expr: Result>>) -> T { match expr { @@ -128,8 +123,6 @@ fn maybe_source_file_to_parser( Ok(parser) } -// Base abstractions - pub fn source_str_to_stream( name: FileName, source: String, From 191b76ef3116736416c28d39d35102c78cb33a07 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Fri, 31 May 2024 13:39:24 +1000 Subject: [PATCH 0996/1716] Rename `maybe_source_file_to_parser` as `maybe_new_parser_from_source_file`. For consistency with `new_parser_from_{file,source_str}` and `maybe_new_parser_from_source_str`. --- compiler/rustc_parse/src/lib.rs | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/compiler/rustc_parse/src/lib.rs b/compiler/rustc_parse/src/lib.rs index 2c5a0abc6aca..1a0535684e8e 100644 --- a/compiler/rustc_parse/src/lib.rs +++ b/compiler/rustc_parse/src/lib.rs @@ -89,7 +89,7 @@ pub fn maybe_new_parser_from_source_str( name: FileName, source: String, ) -> Result, Vec>> { - maybe_source_file_to_parser(psess, psess.source_map().new_source_file(name, source)) + maybe_new_parser_from_source_file(psess, psess.source_map().new_source_file(name, source)) } /// Creates a new parser, aborting if the file doesn't exist. If a span is given, that is used on @@ -104,12 +104,12 @@ pub fn new_parser_from_file<'a>(psess: &'a ParseSess, path: &Path, sp: Option, ) -> Result, Vec>> { From 8964106e44c39cced6cc039bf512a69513a2bbe5 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Fri, 31 May 2024 13:43:38 +1000 Subject: [PATCH 0997/1716] Use `source_str_to_stream` in a test file. It does exactly what is required. --- compiler/rustc_parse/src/parser/tests.rs | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/compiler/rustc_parse/src/parser/tests.rs b/compiler/rustc_parse/src/parser/tests.rs index a31e350541ab..b72cfd63d00d 100644 --- a/compiler/rustc_parse/src/parser/tests.rs +++ b/compiler/rustc_parse/src/parser/tests.rs @@ -1,5 +1,5 @@ use crate::parser::ForceCollect; -use crate::{new_parser_from_source_str, parser::Parser, source_file_to_stream}; +use crate::{new_parser_from_source_str, parser::Parser, source_str_to_stream}; use ast::token::IdentIsRaw; use rustc_ast::ptr::P; use rustc_ast::token::{self, Delimiter, Token}; @@ -82,11 +82,7 @@ where /// Maps a string to tts, using a made-up filename. pub(crate) fn string_to_stream(source_str: String) -> TokenStream { let psess = psess(); - source_file_to_stream( - &psess, - psess.source_map().new_source_file(PathBuf::from("bogofile").into(), source_str), - None, - ) + source_str_to_stream(PathBuf::from("bogofile").into(), source_str, &psess, None) } /// Parses a string, returns a crate. From 25972aec67e900aeefe4014deecf5ef853a4bab4 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Fri, 31 May 2024 13:56:44 +1000 Subject: [PATCH 0998/1716] Inline and remove `parse_crate{,_attrs}_from_{file,source_str}`. All four functions are simple and have a single call site. This requires making `Parser::parse_inner_attributes` public, which is no big deal. --- compiler/rustc_driver_impl/src/lib.rs | 10 +++++---- compiler/rustc_interface/src/passes.rs | 15 ++++++++----- compiler/rustc_parse/src/lib.rs | 29 ------------------------- compiler/rustc_parse/src/parser/attr.rs | 2 +- 4 files changed, 16 insertions(+), 40 deletions(-) diff --git a/compiler/rustc_driver_impl/src/lib.rs b/compiler/rustc_driver_impl/src/lib.rs index 627fd74c8d77..236880420fc2 100644 --- a/compiler/rustc_driver_impl/src/lib.rs +++ b/compiler/rustc_driver_impl/src/lib.rs @@ -32,6 +32,7 @@ use rustc_interface::{interface, Queries}; use rustc_lint::unerased_lint_store; use rustc_metadata::creader::MetadataLoader; use rustc_metadata::locator; +use rustc_parse::{new_parser_from_file, new_parser_from_source_str}; use rustc_session::config::{nightly_options, CG_OPTIONS, Z_OPTIONS}; use rustc_session::config::{ErrorOutputType, Input, OutFileName, OutputType}; use rustc_session::getopts::{self, Matches}; @@ -1264,12 +1265,13 @@ pub fn handle_options(early_dcx: &EarlyDiagCtxt, args: &[String]) -> Option(sess: &'a Session) -> PResult<'a, ast::AttrVec> { - match &sess.io.input { - Input::File(ifile) => rustc_parse::parse_crate_attrs_from_file(ifile, &sess.psess), + let mut parser = match &sess.io.input { + Input::File(file) => new_parser_from_file(&sess.psess, file, None), Input::Str { name, input } => { - rustc_parse::parse_crate_attrs_from_source_str(name.clone(), input.clone(), &sess.psess) + new_parser_from_source_str(&sess.psess, name.clone(), input.clone()) } - } + }; + parser.parse_inner_attributes() } /// Runs a closure and catches unwinds triggered by fatal errors. diff --git a/compiler/rustc_interface/src/passes.rs b/compiler/rustc_interface/src/passes.rs index b678582766d5..b3ed66220977 100644 --- a/compiler/rustc_interface/src/passes.rs +++ b/compiler/rustc_interface/src/passes.rs @@ -19,7 +19,7 @@ use rustc_middle::arena::Arena; use rustc_middle::dep_graph::DepGraph; use rustc_middle::ty::{self, GlobalCtxt, RegisteredTools, TyCtxt}; use rustc_middle::util::Providers; -use rustc_parse::{parse_crate_from_file, parse_crate_from_source_str, validate_attr}; +use rustc_parse::{new_parser_from_file, new_parser_from_source_str, validate_attr}; use rustc_passes::{abi_test, hir_stats, layout_test}; use rustc_resolve::Resolver; use rustc_session::code_stats::VTableSizeInfo; @@ -42,11 +42,14 @@ use std::{env, fs, iter}; use tracing::{info, instrument}; pub fn parse<'a>(sess: &'a Session) -> PResult<'a, ast::Crate> { - let krate = sess.time("parse_crate", || match &sess.io.input { - Input::File(file) => parse_crate_from_file(file, &sess.psess), - Input::Str { input, name } => { - parse_crate_from_source_str(name.clone(), input.clone(), &sess.psess) - } + let krate = sess.time("parse_crate", || { + let mut parser = match &sess.io.input { + Input::File(file) => new_parser_from_file(&sess.psess, file, None), + Input::Str { input, name } => { + new_parser_from_source_str(&sess.psess, name.clone(), input.clone()) + } + }; + parser.parse_crate_mod() })?; if sess.opts.unstable_opts.input_stats { diff --git a/compiler/rustc_parse/src/lib.rs b/compiler/rustc_parse/src/lib.rs index 1a0535684e8e..b804e77e7a4e 100644 --- a/compiler/rustc_parse/src/lib.rs +++ b/compiler/rustc_parse/src/lib.rs @@ -47,35 +47,6 @@ fn unwrap_or_emit_fatal(expr: Result>>) -> T { } } -pub fn parse_crate_from_file<'a>(input: &Path, psess: &'a ParseSess) -> PResult<'a, ast::Crate> { - let mut parser = new_parser_from_file(psess, input, None); - parser.parse_crate_mod() -} - -pub fn parse_crate_attrs_from_file<'a>( - input: &Path, - psess: &'a ParseSess, -) -> PResult<'a, ast::AttrVec> { - let mut parser = new_parser_from_file(psess, input, None); - parser.parse_inner_attributes() -} - -pub fn parse_crate_from_source_str( - name: FileName, - source: String, - psess: &ParseSess, -) -> PResult<'_, ast::Crate> { - new_parser_from_source_str(psess, name, source).parse_crate_mod() -} - -pub fn parse_crate_attrs_from_source_str( - name: FileName, - source: String, - psess: &ParseSess, -) -> PResult<'_, ast::AttrVec> { - new_parser_from_source_str(psess, name, source).parse_inner_attributes() -} - /// Creates a new parser from a source string. pub fn new_parser_from_source_str(psess: &ParseSess, name: FileName, source: String) -> Parser<'_> { unwrap_or_emit_fatal(maybe_new_parser_from_source_str(psess, name, source)) diff --git a/compiler/rustc_parse/src/parser/attr.rs b/compiler/rustc_parse/src/parser/attr.rs index a57eb70c7053..4acc610d8c40 100644 --- a/compiler/rustc_parse/src/parser/attr.rs +++ b/compiler/rustc_parse/src/parser/attr.rs @@ -265,7 +265,7 @@ impl<'a> Parser<'a> { /// terminated by a semicolon. /// /// Matches `inner_attrs*`. - pub(crate) fn parse_inner_attributes(&mut self) -> PResult<'a, ast::AttrVec> { + pub fn parse_inner_attributes(&mut self) -> PResult<'a, ast::AttrVec> { let mut attrs = ast::AttrVec::new(); loop { let start_pos: u32 = self.num_bump_calls.try_into().unwrap(); From ab192a0c97cd0d03d24e402640576474cb62c972 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Fri, 31 May 2024 14:33:56 +1000 Subject: [PATCH 0999/1716] Reorder `source_str_to_stream` arguments. It's the only one of these functions where `psess` isn't the first argument. --- compiler/rustc_expand/src/proc_macro_server.rs | 2 +- compiler/rustc_parse/src/lib.rs | 6 +++--- compiler/rustc_parse/src/parser/tests.rs | 2 +- src/librustdoc/passes/lint/check_code_block_syntax.rs | 2 +- 4 files changed, 6 insertions(+), 6 deletions(-) diff --git a/compiler/rustc_expand/src/proc_macro_server.rs b/compiler/rustc_expand/src/proc_macro_server.rs index 9ae9f7c10c01..330a6c347702 100644 --- a/compiler/rustc_expand/src/proc_macro_server.rs +++ b/compiler/rustc_expand/src/proc_macro_server.rs @@ -540,9 +540,9 @@ impl server::TokenStream for Rustc<'_, '_> { fn from_str(&mut self, src: &str) -> Self::TokenStream { source_str_to_stream( + self.psess(), FileName::proc_macro_source_code(src), src.to_string(), - self.psess(), Some(self.call_site), ) } diff --git a/compiler/rustc_parse/src/lib.rs b/compiler/rustc_parse/src/lib.rs index b804e77e7a4e..5ba6db3b2620 100644 --- a/compiler/rustc_parse/src/lib.rs +++ b/compiler/rustc_parse/src/lib.rs @@ -95,9 +95,9 @@ fn maybe_new_parser_from_source_file( } pub fn source_str_to_stream( + psess: &ParseSess, name: FileName, source: String, - psess: &ParseSess, override_span: Option, ) -> TokenStream { source_file_to_stream(psess, psess.source_map().new_source_file(name, source), override_span) @@ -147,13 +147,13 @@ pub fn parse_in<'a, T>( pub fn fake_token_stream_for_item(psess: &ParseSess, item: &ast::Item) -> TokenStream { let source = pprust::item_to_string(item); let filename = FileName::macro_expansion_source_code(&source); - source_str_to_stream(filename, source, psess, Some(item.span)) + source_str_to_stream(psess, filename, source, Some(item.span)) } pub fn fake_token_stream_for_crate(psess: &ParseSess, krate: &ast::Crate) -> TokenStream { let source = pprust::crate_to_string_for_macros(krate); let filename = FileName::macro_expansion_source_code(&source); - source_str_to_stream(filename, source, psess, Some(krate.spans.inner_span)) + source_str_to_stream(psess, filename, source, Some(krate.spans.inner_span)) } pub fn parse_cfg_attr( diff --git a/compiler/rustc_parse/src/parser/tests.rs b/compiler/rustc_parse/src/parser/tests.rs index b72cfd63d00d..2900d44089ea 100644 --- a/compiler/rustc_parse/src/parser/tests.rs +++ b/compiler/rustc_parse/src/parser/tests.rs @@ -82,7 +82,7 @@ where /// Maps a string to tts, using a made-up filename. pub(crate) fn string_to_stream(source_str: String) -> TokenStream { let psess = psess(); - source_str_to_stream(PathBuf::from("bogofile").into(), source_str, &psess, None) + source_str_to_stream(&psess, PathBuf::from("bogofile").into(), source_str, None) } /// Parses a string, returns a crate. diff --git a/src/librustdoc/passes/lint/check_code_block_syntax.rs b/src/librustdoc/passes/lint/check_code_block_syntax.rs index 4f044450df27..409546734cb1 100644 --- a/src/librustdoc/passes/lint/check_code_block_syntax.rs +++ b/src/librustdoc/passes/lint/check_code_block_syntax.rs @@ -51,7 +51,7 @@ fn check_rust_syntax( let span = DUMMY_SP.apply_mark(expn_id.to_expn_id(), Transparency::Transparent); let is_empty = rustc_driver::catch_fatal_errors(|| { - source_str_to_stream(FileName::Custom(String::from("doctest")), source, &psess, Some(span)) + source_str_to_stream(&psess, FileName::Custom(String::from("doctest")), source, Some(span)) .is_empty() }) .unwrap_or(false); From 264dbe4d8145c076557a95a93183b8c1d6e1f564 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Fri, 31 May 2024 14:38:34 +1000 Subject: [PATCH 1000/1716] Inline and remove `source_file_to_stream`. It has a single call site. --- compiler/rustc_parse/src/lib.rs | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-) diff --git a/compiler/rustc_parse/src/lib.rs b/compiler/rustc_parse/src/lib.rs index 5ba6db3b2620..8a061ce8f1b5 100644 --- a/compiler/rustc_parse/src/lib.rs +++ b/compiler/rustc_parse/src/lib.rs @@ -100,15 +100,7 @@ pub fn source_str_to_stream( source: String, override_span: Option, ) -> TokenStream { - source_file_to_stream(psess, psess.source_map().new_source_file(name, source), override_span) -} - -/// Given a `source_file`, produces a sequence of token trees. -pub fn source_file_to_stream( - psess: &ParseSess, - source_file: Lrc, - override_span: Option, -) -> TokenStream { + let source_file = psess.source_map().new_source_file(name, source); unwrap_or_emit_fatal(maybe_source_file_to_stream(psess, source_file, override_span)) } From b9037339cbc636349b02088486effa21f9ab16aa Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Fri, 31 May 2024 15:43:18 +1000 Subject: [PATCH 1001/1716] Make top-level `rustc_parse` functions fallible. Currently we have an awkward mix of fallible and infallible functions: ``` new_parser_from_source_str maybe_new_parser_from_source_str new_parser_from_file (maybe_new_parser_from_file) // missing (new_parser_from_source_file) // missing maybe_new_parser_from_source_file source_str_to_stream maybe_source_file_to_stream ``` We could add the two missing functions, but instead this commit removes of all the infallible ones and renames the fallible ones leaving us with these which are all fallible: ``` new_parser_from_source_str new_parser_from_file new_parser_from_source_file source_str_to_stream source_file_to_stream ``` This requires making `unwrap_or_emit_fatal` public so callers of formerly infallible functions can still work. This does make some of the call sites slightly more verbose, but I think it's worth it for the simpler API. Also, there are two `catch_unwind` calls and one `catch_fatal_errors` call in this diff that become removable thanks this change. (I will do that in a follow-up PR.) --- .../rustc_builtin_macros/src/cmdline_attrs.rs | 5 +- .../rustc_builtin_macros/src/source_util.rs | 4 +- compiler/rustc_driver_impl/src/lib.rs | 6 +-- compiler/rustc_expand/src/module.rs | 5 +- .../rustc_expand/src/proc_macro_server.rs | 9 ++-- compiler/rustc_interface/src/interface.rs | 6 +-- compiler/rustc_interface/src/passes.rs | 8 +-- compiler/rustc_parse/src/lib.rs | 54 ++++++++++--------- compiler/rustc_parse/src/parser/tests.rs | 22 ++++++-- src/librustdoc/clean/render_macro_matchers.rs | 2 +- src/librustdoc/doctest.rs | 23 ++++---- .../passes/lint/check_code_block_syntax.rs | 11 ++-- .../src/doc/needless_doctest_main.rs | 4 +- src/tools/rustfmt/src/parse/parser.rs | 10 ++-- .../ui-fulldeps/mod_dir_path_canonicalized.rs | 4 +- tests/ui-fulldeps/pprust-expr-roundtrip.rs | 7 +-- 16 files changed, 105 insertions(+), 75 deletions(-) diff --git a/compiler/rustc_builtin_macros/src/cmdline_attrs.rs b/compiler/rustc_builtin_macros/src/cmdline_attrs.rs index ada82e45712d..e9b63b4abebb 100644 --- a/compiler/rustc_builtin_macros/src/cmdline_attrs.rs +++ b/compiler/rustc_builtin_macros/src/cmdline_attrs.rs @@ -4,16 +4,17 @@ use crate::errors; use rustc_ast::attr::mk_attr; use rustc_ast::token; use rustc_ast::{self as ast, AttrItem, AttrStyle}; +use rustc_parse::{new_parser_from_source_str, unwrap_or_emit_fatal}; use rustc_session::parse::ParseSess; use rustc_span::FileName; pub fn inject(krate: &mut ast::Crate, psess: &ParseSess, attrs: &[String]) { for raw_attr in attrs { - let mut parser = rustc_parse::new_parser_from_source_str( + let mut parser = unwrap_or_emit_fatal(new_parser_from_source_str( psess, FileName::cli_crate_attr_source_code(raw_attr), raw_attr.clone(), - ); + )); let start_span = parser.token.span; let AttrItem { path, args, tokens: _ } = match parser.parse_attr_item(false) { diff --git a/compiler/rustc_builtin_macros/src/source_util.rs b/compiler/rustc_builtin_macros/src/source_util.rs index 29e991525a9b..dc1d82df0c39 100644 --- a/compiler/rustc_builtin_macros/src/source_util.rs +++ b/compiler/rustc_builtin_macros/src/source_util.rs @@ -12,8 +12,8 @@ use rustc_expand::base::{ }; use rustc_expand::module::DirOwnership; use rustc_lint_defs::BuiltinLintDiag; -use rustc_parse::new_parser_from_file; use rustc_parse::parser::{ForceCollect, Parser}; +use rustc_parse::{new_parser_from_file, unwrap_or_emit_fatal}; use rustc_session::lint::builtin::INCOMPLETE_INCLUDE; use rustc_span::source_map::SourceMap; use rustc_span::symbol::Symbol; @@ -126,7 +126,7 @@ pub(crate) fn expand_include<'cx>( return ExpandResult::Ready(DummyResult::any(sp, guar)); } }; - let p = new_parser_from_file(cx.psess(), &file, Some(sp)); + let p = unwrap_or_emit_fatal(new_parser_from_file(cx.psess(), &file, Some(sp))); // If in the included file we have e.g., `mod bar;`, // then the path of `bar.rs` should be relative to the directory of `file`. diff --git a/compiler/rustc_driver_impl/src/lib.rs b/compiler/rustc_driver_impl/src/lib.rs index 236880420fc2..93a65290602a 100644 --- a/compiler/rustc_driver_impl/src/lib.rs +++ b/compiler/rustc_driver_impl/src/lib.rs @@ -32,7 +32,7 @@ use rustc_interface::{interface, Queries}; use rustc_lint::unerased_lint_store; use rustc_metadata::creader::MetadataLoader; use rustc_metadata::locator; -use rustc_parse::{new_parser_from_file, new_parser_from_source_str}; +use rustc_parse::{new_parser_from_file, new_parser_from_source_str, unwrap_or_emit_fatal}; use rustc_session::config::{nightly_options, CG_OPTIONS, Z_OPTIONS}; use rustc_session::config::{ErrorOutputType, Input, OutFileName, OutputType}; use rustc_session::getopts::{self, Matches}; @@ -1265,12 +1265,12 @@ pub fn handle_options(early_dcx: &EarlyDiagCtxt, args: &[String]) -> Option(sess: &'a Session) -> PResult<'a, ast::AttrVec> { - let mut parser = match &sess.io.input { + let mut parser = unwrap_or_emit_fatal(match &sess.io.input { Input::File(file) => new_parser_from_file(&sess.psess, file, None), Input::Str { name, input } => { new_parser_from_source_str(&sess.psess, name.clone(), input.clone()) } - }; + }); parser.parse_inner_attributes() } diff --git a/compiler/rustc_expand/src/module.rs b/compiler/rustc_expand/src/module.rs index c8983619e701..506bd445be35 100644 --- a/compiler/rustc_expand/src/module.rs +++ b/compiler/rustc_expand/src/module.rs @@ -5,8 +5,8 @@ use crate::errors::{ use rustc_ast::ptr::P; use rustc_ast::{token, AttrVec, Attribute, Inline, Item, ModSpans}; use rustc_errors::{Diag, ErrorGuaranteed}; -use rustc_parse::new_parser_from_file; use rustc_parse::validate_attr; +use rustc_parse::{new_parser_from_file, unwrap_or_emit_fatal}; use rustc_session::parse::ParseSess; use rustc_session::Session; use rustc_span::symbol::{sym, Ident}; @@ -66,7 +66,8 @@ pub(crate) fn parse_external_mod( } // Actually parse the external file as a module. - let mut parser = new_parser_from_file(&sess.psess, &mp.file_path, Some(span)); + let mut parser = + unwrap_or_emit_fatal(new_parser_from_file(&sess.psess, &mp.file_path, Some(span))); let (inner_attrs, items, inner_span) = parser.parse_mod(&token::Eof).map_err(|err| ModError::ParserError(err))?; attrs.extend(inner_attrs); diff --git a/compiler/rustc_expand/src/proc_macro_server.rs b/compiler/rustc_expand/src/proc_macro_server.rs index 330a6c347702..93f8682090d7 100644 --- a/compiler/rustc_expand/src/proc_macro_server.rs +++ b/compiler/rustc_expand/src/proc_macro_server.rs @@ -14,7 +14,7 @@ use rustc_data_structures::sync::Lrc; use rustc_errors::{Diag, ErrorGuaranteed, MultiSpan, PResult}; use rustc_parse::lexer::nfc_normalize; use rustc_parse::parser::Parser; -use rustc_parse::source_str_to_stream; +use rustc_parse::{new_parser_from_source_str, source_str_to_stream, unwrap_or_emit_fatal}; use rustc_session::parse::ParseSess; use rustc_span::def_id::CrateNum; use rustc_span::symbol::{self, sym, Symbol}; @@ -467,7 +467,8 @@ impl server::FreeFunctions for Rustc<'_, '_> { fn literal_from_str(&mut self, s: &str) -> Result, ()> { let name = FileName::proc_macro_source_code(s); - let mut parser = rustc_parse::new_parser_from_source_str(self.psess(), name, s.to_owned()); + let mut parser = + unwrap_or_emit_fatal(new_parser_from_source_str(self.psess(), name, s.to_owned())); let first_span = parser.token.span.data(); let minus_present = parser.eat(&token::BinOp(token::Minus)); @@ -539,12 +540,12 @@ impl server::TokenStream for Rustc<'_, '_> { } fn from_str(&mut self, src: &str) -> Self::TokenStream { - source_str_to_stream( + unwrap_or_emit_fatal(source_str_to_stream( self.psess(), FileName::proc_macro_source_code(src), src.to_string(), Some(self.call_site), - ) + )) } fn to_string(&mut self, stream: &Self::TokenStream) -> String { diff --git a/compiler/rustc_interface/src/interface.rs b/compiler/rustc_interface/src/interface.rs index 5254a6576f90..c95a10f4e8d2 100644 --- a/compiler/rustc_interface/src/interface.rs +++ b/compiler/rustc_interface/src/interface.rs @@ -14,7 +14,7 @@ use rustc_lint::LintStore; use rustc_middle::ty; use rustc_middle::ty::CurrentGcx; use rustc_middle::util::Providers; -use rustc_parse::maybe_new_parser_from_source_str; +use rustc_parse::new_parser_from_source_str; use rustc_query_impl::QueryCtxt; use rustc_query_system::query::print_query_stack; use rustc_session::config::{self, Cfg, CheckCfg, ExpectedValues, Input, OutFileName}; @@ -67,7 +67,7 @@ pub(crate) fn parse_cfg(dcx: &DiagCtxt, cfgs: Vec) -> Cfg { }; } - match maybe_new_parser_from_source_str(&psess, filename, s.to_string()) { + match new_parser_from_source_str(&psess, filename, s.to_string()) { Ok(mut parser) => match parser.parse_meta_item() { Ok(meta_item) if parser.token == token::Eof => { if meta_item.path.segments.len() != 1 { @@ -166,7 +166,7 @@ pub(crate) fn parse_check_cfg(dcx: &DiagCtxt, specs: Vec) -> CheckCfg { error!("expected `cfg(name, values(\"value1\", \"value2\", ... \"valueN\"))`") }; - let mut parser = match maybe_new_parser_from_source_str(&psess, filename, s.to_string()) { + let mut parser = match new_parser_from_source_str(&psess, filename, s.to_string()) { Ok(parser) => parser, Err(errs) => { errs.into_iter().for_each(|err| err.cancel()); diff --git a/compiler/rustc_interface/src/passes.rs b/compiler/rustc_interface/src/passes.rs index b3ed66220977..a342577cffb8 100644 --- a/compiler/rustc_interface/src/passes.rs +++ b/compiler/rustc_interface/src/passes.rs @@ -19,7 +19,9 @@ use rustc_middle::arena::Arena; use rustc_middle::dep_graph::DepGraph; use rustc_middle::ty::{self, GlobalCtxt, RegisteredTools, TyCtxt}; use rustc_middle::util::Providers; -use rustc_parse::{new_parser_from_file, new_parser_from_source_str, validate_attr}; +use rustc_parse::{ + new_parser_from_file, new_parser_from_source_str, unwrap_or_emit_fatal, validate_attr, +}; use rustc_passes::{abi_test, hir_stats, layout_test}; use rustc_resolve::Resolver; use rustc_session::code_stats::VTableSizeInfo; @@ -43,12 +45,12 @@ use tracing::{info, instrument}; pub fn parse<'a>(sess: &'a Session) -> PResult<'a, ast::Crate> { let krate = sess.time("parse_crate", || { - let mut parser = match &sess.io.input { + let mut parser = unwrap_or_emit_fatal(match &sess.io.input { Input::File(file) => new_parser_from_file(&sess.psess, file, None), Input::Str { input, name } => { new_parser_from_source_str(&sess.psess, name.clone(), input.clone()) } - }; + }); parser.parse_crate_mod() })?; diff --git a/compiler/rustc_parse/src/lib.rs b/compiler/rustc_parse/src/lib.rs index 8a061ce8f1b5..b316327a262d 100644 --- a/compiler/rustc_parse/src/lib.rs +++ b/compiler/rustc_parse/src/lib.rs @@ -35,7 +35,7 @@ mod errors; rustc_fluent_macro::fluent_messages! { "../messages.ftl" } // Unwrap the result if `Ok`, otherwise emit the diagnostics and abort. -fn unwrap_or_emit_fatal(expr: Result>>) -> T { +pub fn unwrap_or_emit_fatal(expr: Result>>) -> T { match expr { Ok(expr) => expr, Err(errs) => { @@ -47,25 +47,28 @@ fn unwrap_or_emit_fatal(expr: Result>>) -> T { } } -/// Creates a new parser from a source string. -pub fn new_parser_from_source_str(psess: &ParseSess, name: FileName, source: String) -> Parser<'_> { - unwrap_or_emit_fatal(maybe_new_parser_from_source_str(psess, name, source)) -} - -/// Creates a new parser from a source string. Returns any buffered errors from lexing the initial -/// token stream; these must be consumed via `emit`, `cancel`, etc., otherwise a panic will occur -/// when they are dropped. -pub fn maybe_new_parser_from_source_str( +/// Creates a new parser from a source string. On failure, the errors must be consumed via +/// `unwrap_or_emit_fatal`, `emit`, `cancel`, etc., otherwise a panic will occur when they are +/// dropped. +pub fn new_parser_from_source_str( psess: &ParseSess, name: FileName, source: String, ) -> Result, Vec>> { - maybe_new_parser_from_source_file(psess, psess.source_map().new_source_file(name, source)) + let source_file = psess.source_map().new_source_file(name, source); + new_parser_from_source_file(psess, source_file) } -/// Creates a new parser, aborting if the file doesn't exist. If a span is given, that is used on -/// an error as the source of the problem. -pub fn new_parser_from_file<'a>(psess: &'a ParseSess, path: &Path, sp: Option) -> Parser<'a> { +/// Creates a new parser from a filename. On failure, the errors must be consumed via +/// `unwrap_or_emit_fatal`, `emit`, `cancel`, etc., otherwise a panic will occur when they are +/// dropped. +/// +/// If a span is given, that is used on an error as the source of the problem. +pub fn new_parser_from_file<'a>( + psess: &'a ParseSess, + path: &Path, + sp: Option, +) -> Result, Vec>> { let source_file = psess.source_map().load_file(path).unwrap_or_else(|e| { let msg = format!("couldn't read {}: {}", path.display(), e); let mut err = psess.dcx.struct_fatal(msg); @@ -74,23 +77,21 @@ pub fn new_parser_from_file<'a>(psess: &'a ParseSess, path: &Path, sp: Option, ) -> Result, Vec>> { let end_pos = source_file.end_position(); - let stream = maybe_source_file_to_stream(psess, source_file, None)?; + let stream = source_file_to_stream(psess, source_file, None)?; let mut parser = Parser::new(psess, stream, None); if parser.token == token::Eof { parser.token.span = Span::new(end_pos, end_pos, parser.token.span.ctxt(), None); } - Ok(parser) } @@ -99,14 +100,14 @@ pub fn source_str_to_stream( name: FileName, source: String, override_span: Option, -) -> TokenStream { +) -> Result>> { let source_file = psess.source_map().new_source_file(name, source); - unwrap_or_emit_fatal(maybe_source_file_to_stream(psess, source_file, override_span)) + source_file_to_stream(psess, source_file, override_span) } /// Given a source file, produces a sequence of token trees. Returns any buffered errors from /// parsing the token stream. -fn maybe_source_file_to_stream<'psess>( +fn source_file_to_stream<'psess>( psess: &'psess ParseSess, source_file: Lrc, override_span: Option, @@ -139,13 +140,18 @@ pub fn parse_in<'a, T>( pub fn fake_token_stream_for_item(psess: &ParseSess, item: &ast::Item) -> TokenStream { let source = pprust::item_to_string(item); let filename = FileName::macro_expansion_source_code(&source); - source_str_to_stream(psess, filename, source, Some(item.span)) + unwrap_or_emit_fatal(source_str_to_stream(psess, filename, source, Some(item.span))) } pub fn fake_token_stream_for_crate(psess: &ParseSess, krate: &ast::Crate) -> TokenStream { let source = pprust::crate_to_string_for_macros(krate); let filename = FileName::macro_expansion_source_code(&source); - source_str_to_stream(psess, filename, source, Some(krate.spans.inner_span)) + unwrap_or_emit_fatal(source_str_to_stream( + psess, + filename, + source, + Some(krate.spans.inner_span), + )) } pub fn parse_cfg_attr( diff --git a/compiler/rustc_parse/src/parser/tests.rs b/compiler/rustc_parse/src/parser/tests.rs index 2900d44089ea..79a6cf1b541e 100644 --- a/compiler/rustc_parse/src/parser/tests.rs +++ b/compiler/rustc_parse/src/parser/tests.rs @@ -1,5 +1,7 @@ use crate::parser::ForceCollect; -use crate::{new_parser_from_source_str, parser::Parser, source_str_to_stream}; +use crate::{ + new_parser_from_source_str, parser::Parser, source_str_to_stream, unwrap_or_emit_fatal, +}; use ast::token::IdentIsRaw; use rustc_ast::ptr::P; use rustc_ast::token::{self, Delimiter, Token}; @@ -29,7 +31,11 @@ fn psess() -> ParseSess { /// Map string to parser (via tts). fn string_to_parser(psess: &ParseSess, source_str: String) -> Parser<'_> { - new_parser_from_source_str(psess, PathBuf::from("bogofile").into(), source_str) + unwrap_or_emit_fatal(new_parser_from_source_str( + psess, + PathBuf::from("bogofile").into(), + source_str, + )) } fn create_test_handler() -> (DiagCtxt, Lrc, Arc>>) { @@ -82,7 +88,12 @@ where /// Maps a string to tts, using a made-up filename. pub(crate) fn string_to_stream(source_str: String) -> TokenStream { let psess = psess(); - source_str_to_stream(&psess, PathBuf::from("bogofile").into(), source_str, None) + unwrap_or_emit_fatal(source_str_to_stream( + &psess, + PathBuf::from("bogofile").into(), + source_str, + None, + )) } /// Parses a string, returns a crate. @@ -1064,7 +1075,8 @@ fn parse_item_from_source_str( source: String, psess: &ParseSess, ) -> PResult<'_, Option>> { - new_parser_from_source_str(psess, name, source).parse_item(ForceCollect::No) + unwrap_or_emit_fatal(new_parser_from_source_str(psess, name, source)) + .parse_item(ForceCollect::No) } // Produces a `rustc_span::span`. @@ -1345,7 +1357,7 @@ fn ttdelim_span() { source: String, psess: &ParseSess, ) -> PResult<'_, P> { - new_parser_from_source_str(psess, name, source).parse_expr() + unwrap_or_emit_fatal(new_parser_from_source_str(psess, name, source)).parse_expr() } create_default_session_globals_then(|| { diff --git a/src/librustdoc/clean/render_macro_matchers.rs b/src/librustdoc/clean/render_macro_matchers.rs index 5ac1b742c386..995919f73f83 100644 --- a/src/librustdoc/clean/render_macro_matchers.rs +++ b/src/librustdoc/clean/render_macro_matchers.rs @@ -65,7 +65,7 @@ fn snippet_equal_to_token(tcx: TyCtxt<'_>, matcher: &TokenTree) -> Option parser, Err(errs) => { errs.into_iter().for_each(|err| err.cancel()); diff --git a/src/librustdoc/doctest.rs b/src/librustdoc/doctest.rs index a536a7139219..0d4bad6921db 100644 --- a/src/librustdoc/doctest.rs +++ b/src/librustdoc/doctest.rs @@ -9,7 +9,7 @@ use rustc_interface::interface; use rustc_middle::hir::map::Map; use rustc_middle::hir::nested_filter; use rustc_middle::ty::TyCtxt; -use rustc_parse::maybe_new_parser_from_source_str; +use rustc_parse::new_parser_from_source_str; use rustc_parse::parser::attr::InnerAttrPolicy; use rustc_resolve::rustdoc::span_of_fragments; use rustc_session::config::{self, CrateType, ErrorOutputType}; @@ -638,7 +638,7 @@ pub(crate) fn make_test( let mut found_extern_crate = crate_name.is_none(); let mut found_macro = false; - let mut parser = match maybe_new_parser_from_source_str(&psess, filename, source) { + let mut parser = match new_parser_from_source_str(&psess, filename, source) { Ok(p) => p, Err(errs) => { errs.into_iter().for_each(|err| err.cancel()); @@ -818,16 +818,15 @@ fn check_if_attr_is_complete(source: &str, edition: Edition) -> bool { let dcx = DiagCtxt::new(Box::new(emitter)).disable_warnings(); let psess = ParseSess::with_dcx(dcx, sm); - let mut parser = - match maybe_new_parser_from_source_str(&psess, filename, source.to_owned()) { - Ok(p) => p, - Err(errs) => { - errs.into_iter().for_each(|err| err.cancel()); - // If there is an unclosed delimiter, an error will be returned by the - // tokentrees. - return false; - } - }; + let mut parser = match new_parser_from_source_str(&psess, filename, source.to_owned()) { + Ok(p) => p, + Err(errs) => { + errs.into_iter().for_each(|err| err.cancel()); + // If there is an unclosed delimiter, an error will be returned by the + // tokentrees. + return false; + } + }; // If a parsing error happened, it's very likely that the attribute is incomplete. if let Err(e) = parser.parse_attribute(InnerAttrPolicy::Permitted) { e.cancel(); diff --git a/src/librustdoc/passes/lint/check_code_block_syntax.rs b/src/librustdoc/passes/lint/check_code_block_syntax.rs index 409546734cb1..c185442fd55d 100644 --- a/src/librustdoc/passes/lint/check_code_block_syntax.rs +++ b/src/librustdoc/passes/lint/check_code_block_syntax.rs @@ -5,7 +5,7 @@ use rustc_errors::{ translation::{to_fluent_args, Translate}, Applicability, DiagCtxt, DiagInner, LazyFallbackBundle, }; -use rustc_parse::source_str_to_stream; +use rustc_parse::{source_str_to_stream, unwrap_or_emit_fatal}; use rustc_resolve::rustdoc::source_span_for_markdown_range; use rustc_session::parse::ParseSess; use rustc_span::hygiene::{AstPass, ExpnData, ExpnKind, LocalExpnId, Transparency}; @@ -51,8 +51,13 @@ fn check_rust_syntax( let span = DUMMY_SP.apply_mark(expn_id.to_expn_id(), Transparency::Transparent); let is_empty = rustc_driver::catch_fatal_errors(|| { - source_str_to_stream(&psess, FileName::Custom(String::from("doctest")), source, Some(span)) - .is_empty() + unwrap_or_emit_fatal(source_str_to_stream( + &psess, + FileName::Custom(String::from("doctest")), + source, + Some(span), + )) + .is_empty() }) .unwrap_or(false); let buffer = buffer.borrow(); diff --git a/src/tools/clippy/clippy_lints/src/doc/needless_doctest_main.rs b/src/tools/clippy/clippy_lints/src/doc/needless_doctest_main.rs index 651f2ebaee6f..c3e3c0431e6b 100644 --- a/src/tools/clippy/clippy_lints/src/doc/needless_doctest_main.rs +++ b/src/tools/clippy/clippy_lints/src/doc/needless_doctest_main.rs @@ -8,7 +8,7 @@ use rustc_data_structures::sync::Lrc; use rustc_errors::emitter::HumanEmitter; use rustc_errors::{Diag, DiagCtxt}; use rustc_lint::LateContext; -use rustc_parse::maybe_new_parser_from_source_str; +use rustc_parse::new_parser_from_source_str; use rustc_parse::parser::ForceCollect; use rustc_session::parse::ParseSess; use rustc_span::edition::Edition; @@ -50,7 +50,7 @@ pub fn check( let sm = Lrc::new(SourceMap::new(FilePathMapping::empty())); let psess = ParseSess::with_dcx(dcx, sm); - let mut parser = match maybe_new_parser_from_source_str(&psess, filename, code) { + let mut parser = match new_parser_from_source_str(&psess, filename, code) { Ok(p) => p, Err(errs) => { errs.into_iter().for_each(Diag::cancel); diff --git a/src/tools/rustfmt/src/parse/parser.rs b/src/tools/rustfmt/src/parse/parser.rs index 5dcdca1d9538..7adf339b453a 100644 --- a/src/tools/rustfmt/src/parse/parser.rs +++ b/src/tools/rustfmt/src/parse/parser.rs @@ -4,7 +4,8 @@ use std::path::{Path, PathBuf}; use rustc_ast::token::TokenKind; use rustc_ast::{ast, attr, ptr}; use rustc_errors::Diag; -use rustc_parse::{new_parser_from_file, parser::Parser as RawParser}; +use rustc_parse::parser::Parser as RawParser; +use rustc_parse::{new_parser_from_file, unwrap_or_emit_fatal}; use rustc_span::{sym, Span}; use thin_vec::ThinVec; @@ -68,10 +69,10 @@ impl<'a> ParserBuilder<'a> { ) -> Result, Option>>> { match input { Input::File(ref file) => catch_unwind(AssertUnwindSafe(move || { - new_parser_from_file(psess, file, None) + unwrap_or_emit_fatal(new_parser_from_file(psess, file, None)) })) .map_err(|_| None), - Input::Text(text) => rustc_parse::maybe_new_parser_from_source_str( + Input::Text(text) => rustc_parse::new_parser_from_source_str( psess, rustc_span::FileName::Custom("stdin".to_owned()), text, @@ -111,7 +112,8 @@ impl<'a> Parser<'a> { span: Span, ) -> Result<(ast::AttrVec, ThinVec>, Span), ParserError> { let result = catch_unwind(AssertUnwindSafe(|| { - let mut parser = new_parser_from_file(psess.inner(), path, Some(span)); + let mut parser = + unwrap_or_emit_fatal(new_parser_from_file(psess.inner(), path, Some(span))); match parser.parse_mod(&TokenKind::Eof) { Ok((a, i, spans)) => Some((a, i, spans.inner_span)), Err(e) => { diff --git a/tests/ui-fulldeps/mod_dir_path_canonicalized.rs b/tests/ui-fulldeps/mod_dir_path_canonicalized.rs index ef70e64ed7e9..99cb5fc5aa1c 100644 --- a/tests/ui-fulldeps/mod_dir_path_canonicalized.rs +++ b/tests/ui-fulldeps/mod_dir_path_canonicalized.rs @@ -16,7 +16,7 @@ extern crate rustc_span; #[allow(unused_extern_crates)] extern crate rustc_driver; -use rustc_parse::new_parser_from_file; +use rustc_parse::{new_parser_from_file, unwrap_or_emit_fatal}; use rustc_session::parse::ParseSess; use std::path::Path; @@ -34,6 +34,6 @@ fn parse() { let path = Path::new(file!()); let path = path.canonicalize().unwrap(); - let mut parser = new_parser_from_file(&psess, &path, None); + let mut parser = unwrap_or_emit_fatal(new_parser_from_file(&psess, &path, None)); let _ = parser.parse_crate_mod(); } diff --git a/tests/ui-fulldeps/pprust-expr-roundtrip.rs b/tests/ui-fulldeps/pprust-expr-roundtrip.rs index 2b1fec943871..762ad0b79ecc 100644 --- a/tests/ui-fulldeps/pprust-expr-roundtrip.rs +++ b/tests/ui-fulldeps/pprust-expr-roundtrip.rs @@ -36,7 +36,7 @@ use rustc_ast::mut_visit::{visit_clobber, MutVisitor}; use rustc_ast::ptr::P; use rustc_ast::*; use rustc_ast_pretty::pprust; -use rustc_parse::new_parser_from_source_str; +use rustc_parse::{new_parser_from_source_str, unwrap_or_emit_fatal}; use rustc_session::parse::ParseSess; use rustc_span::source_map::Spanned; use rustc_span::symbol::Ident; @@ -46,8 +46,9 @@ use thin_vec::{thin_vec, ThinVec}; fn parse_expr(psess: &ParseSess, src: &str) -> Option> { let src_as_string = src.to_string(); - let mut p = - new_parser_from_source_str(psess, FileName::Custom(src_as_string.clone()), src_as_string); + let mut p = unwrap_or_emit_fatal( + new_parser_from_source_str(psess, FileName::Custom(src_as_string.clone()), src_as_string) + ); p.parse_expr().map_err(|e| e.cancel()).ok() } From 2d4e7df14422ec46422e79ddae5af3ed78632bef Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Mon, 3 Jun 2024 14:32:03 +1000 Subject: [PATCH 1002/1716] rustfmt: Remove an unnecessary `catch_unwind` use. The `Input::File` and `Input::Text` cases should be very similar. However, currently the `Input::File` case uses `catch_unwind` because, until recently (#125815) there was a fallible version of `new_parser_from_source_str` but only an infallible version of `new_parser_from_file`. This difference wasn't fundamental, just an overlooked gap in the API of `rustc_parse`. Both of those operations are now fallible, so the `Input::File` and `Input::Text` cases can made more similar, with no need for `catch_unwind`. This also lets us simplify an `Option>` to `Vec`. --- src/tools/rustfmt/src/parse/parser.rs | 23 ++++++++--------------- 1 file changed, 8 insertions(+), 15 deletions(-) diff --git a/src/tools/rustfmt/src/parse/parser.rs b/src/tools/rustfmt/src/parse/parser.rs index 7adf339b453a..6051241309d1 100644 --- a/src/tools/rustfmt/src/parse/parser.rs +++ b/src/tools/rustfmt/src/parse/parser.rs @@ -5,7 +5,7 @@ use rustc_ast::token::TokenKind; use rustc_ast::{ast, attr, ptr}; use rustc_errors::Diag; use rustc_parse::parser::Parser as RawParser; -use rustc_parse::{new_parser_from_file, unwrap_or_emit_fatal}; +use rustc_parse::{new_parser_from_file, new_parser_from_source_str, unwrap_or_emit_fatal}; use rustc_span::{sym, Span}; use thin_vec::ThinVec; @@ -51,12 +51,9 @@ impl<'a> ParserBuilder<'a> { let parser = match Self::parser(psess.inner(), input) { Ok(p) => p, - Err(db) => { - if let Some(diagnostics) = db { - psess.emit_diagnostics(diagnostics); - return Err(ParserError::ParserCreationError); - } - return Err(ParserError::ParsePanicError); + Err(diagnostics) => { + psess.emit_diagnostics(diagnostics); + return Err(ParserError::ParserCreationError); } }; @@ -66,18 +63,14 @@ impl<'a> ParserBuilder<'a> { fn parser( psess: &'a rustc_session::parse::ParseSess, input: Input, - ) -> Result, Option>>> { + ) -> Result, Vec>> { match input { - Input::File(ref file) => catch_unwind(AssertUnwindSafe(move || { - unwrap_or_emit_fatal(new_parser_from_file(psess, file, None)) - })) - .map_err(|_| None), - Input::Text(text) => rustc_parse::new_parser_from_source_str( + Input::File(ref file) => new_parser_from_file(psess, file, None), + Input::Text(text) => new_parser_from_source_str( psess, rustc_span::FileName::Custom("stdin".to_owned()), text, - ) - .map_err(Some), + ), } } } From e8d02fe1cb20a21e0bee2f80f1e16945eb3b9437 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Fri, 31 May 2024 15:43:18 +1000 Subject: [PATCH 1003/1716] Make top-level `rustc_parse` functions fallible. Currently we have an awkward mix of fallible and infallible functions: ``` new_parser_from_source_str maybe_new_parser_from_source_str new_parser_from_file (maybe_new_parser_from_file) // missing (new_parser_from_source_file) // missing maybe_new_parser_from_source_file source_str_to_stream maybe_source_file_to_stream ``` We could add the two missing functions, but instead this commit removes of all the infallible ones and renames the fallible ones leaving us with these which are all fallible: ``` new_parser_from_source_str new_parser_from_file new_parser_from_source_file source_str_to_stream source_file_to_stream ``` This requires making `unwrap_or_emit_fatal` public so callers of formerly infallible functions can still work. This does make some of the call sites slightly more verbose, but I think it's worth it for the simpler API. Also, there are two `catch_unwind` calls and one `catch_fatal_errors` call in this diff that become removable thanks this change. (I will do that in a follow-up PR.) --- clippy_lints/src/doc/needless_doctest_main.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/clippy_lints/src/doc/needless_doctest_main.rs b/clippy_lints/src/doc/needless_doctest_main.rs index 651f2ebaee6f..c3e3c0431e6b 100644 --- a/clippy_lints/src/doc/needless_doctest_main.rs +++ b/clippy_lints/src/doc/needless_doctest_main.rs @@ -8,7 +8,7 @@ use rustc_data_structures::sync::Lrc; use rustc_errors::emitter::HumanEmitter; use rustc_errors::{Diag, DiagCtxt}; use rustc_lint::LateContext; -use rustc_parse::maybe_new_parser_from_source_str; +use rustc_parse::new_parser_from_source_str; use rustc_parse::parser::ForceCollect; use rustc_session::parse::ParseSess; use rustc_span::edition::Edition; @@ -50,7 +50,7 @@ pub fn check( let sm = Lrc::new(SourceMap::new(FilePathMapping::empty())); let psess = ParseSess::with_dcx(dcx, sm); - let mut parser = match maybe_new_parser_from_source_str(&psess, filename, code) { + let mut parser = match new_parser_from_source_str(&psess, filename, code) { Ok(p) => p, Err(errs) => { errs.into_iter().for_each(Diag::cancel); From dd6bca56ecb354a80ba4c818c47f92e6a88d611a Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Tue, 4 Jun 2024 21:06:29 -0400 Subject: [PATCH 1004/1716] Add another test for hidden types capturing lifetimes that outlive but arent mentioned in substs --- .../tait-hidden-erased-unsoundness-2.rs | 38 +++++++++++++++++++ .../tait-hidden-erased-unsoundness-2.stderr | 15 ++++++++ 2 files changed, 53 insertions(+) create mode 100644 tests/ui/impl-trait/alias-liveness/tait-hidden-erased-unsoundness-2.rs create mode 100644 tests/ui/impl-trait/alias-liveness/tait-hidden-erased-unsoundness-2.stderr diff --git a/tests/ui/impl-trait/alias-liveness/tait-hidden-erased-unsoundness-2.rs b/tests/ui/impl-trait/alias-liveness/tait-hidden-erased-unsoundness-2.rs new file mode 100644 index 000000000000..65e90c1ca53c --- /dev/null +++ b/tests/ui/impl-trait/alias-liveness/tait-hidden-erased-unsoundness-2.rs @@ -0,0 +1,38 @@ +// This test should never pass! + +#![feature(type_alias_impl_trait)] + +pub trait Captures<'a> {} +impl Captures<'_> for T {} + +pub struct MyTy<'a, 'b>(Option<*mut &'a &'b ()>); +unsafe impl Send for MyTy<'_, 'static> {} + +pub mod step1 { + use super::*; + pub type Step1<'a, 'b: 'a> = impl Sized + Captures<'b> + 'a; + pub fn step1<'a, 'b: 'a>() -> Step1<'a, 'b> { + MyTy::<'a, 'b>(None) + } +} + +pub mod step2 { + pub type Step2<'a> = impl Send + 'a; + + // Although `Step2` is WF at the definition site, it's not WF in its + // declaration site (above). We check this in `check_opaque_meets_bounds`, + // which must remain sound. + pub fn step2<'a, 'b: 'a>() -> Step2<'a> + where crate::step1::Step1<'a, 'b>: Send + { + crate::step1::step1::<'a, 'b>() + //~^ ERROR hidden type for `Step2<'a>` captures lifetime that does not appear in bounds + } +} + +fn step3<'a, 'b>() { + fn is_send() {} + is_send::>(); +} + +fn main() {} diff --git a/tests/ui/impl-trait/alias-liveness/tait-hidden-erased-unsoundness-2.stderr b/tests/ui/impl-trait/alias-liveness/tait-hidden-erased-unsoundness-2.stderr new file mode 100644 index 000000000000..58d7f9959d34 --- /dev/null +++ b/tests/ui/impl-trait/alias-liveness/tait-hidden-erased-unsoundness-2.stderr @@ -0,0 +1,15 @@ +error[E0700]: hidden type for `Step2<'a>` captures lifetime that does not appear in bounds + --> $DIR/tait-hidden-erased-unsoundness-2.rs:28:9 + | +LL | pub type Step2<'a> = impl Send + 'a; + | -------------- opaque type defined here +... +LL | pub fn step2<'a, 'b: 'a>() -> Step2<'a> + | -- hidden type `Step1<'a, 'b>` captures the lifetime `'b` as defined here +... +LL | crate::step1::step1::<'a, 'b>() + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0700`. From 72be5044b535d4a8dc64916bb33e533f15645b07 Mon Sep 17 00:00:00 2001 From: Weihang Lo Date: Tue, 4 Jun 2024 21:26:40 -0400 Subject: [PATCH 1005/1716] Update cargo --- src/tools/cargo | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/cargo b/src/tools/cargo index 7a6fad0984d2..34a6a87d8a23 160000 --- a/src/tools/cargo +++ b/src/tools/cargo @@ -1 +1 @@ -Subproject commit 7a6fad0984d28c8330974636972aa296b67c4513 +Subproject commit 34a6a87d8a2330d8c9d578f927489689328a652d From f7d49fdf4f16fe691561663468efc4fbcbdb6ba4 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Thu, 16 May 2024 16:26:37 +1000 Subject: [PATCH 1006/1716] Print `token::Interpolated` with token stream pretty printing. Instead of using AST pretty printing. This is a step towards removing `token::Interpolated`, which will eventually (in #124141) be replaced with a token stream within invisible delimiters. This changes (improves) the output of the `stringify!` macro in some cases. This is allowed. As the `stringify!` docs say: "Note that the expanded results of the input tokens may change in the future. You should be careful if you rely on the output." Test changes: - tests/ui/macros/stringify.rs: this used to test both token stream pretty printing and AST pretty printing via different ways of invoking of `stringify!` (i.e. `$expr` vs `$tt`). But those two different invocations now give the same result, which is a nice consistency improvement. This removes the need for all the `c2*` macros. The AST pretty printer now has more thorough testing thanks to #125236. - tests/ui/proc-macro/*: minor improvements where small differences between `INPUT (DISPLAY)` output and `DEEP-RE-COLLECTED (DISPLAY)` output disappear. --- compiler/rustc_ast_pretty/src/pprust/state.rs | 25 +- tests/ui/macros/stringify.rs | 259 ++++-------------- tests/ui/macros/trace_faulty_macros.rs | 2 +- tests/ui/macros/trace_faulty_macros.stderr | 12 +- .../capture-macro-rules-invoke.stdout | 4 +- .../expr-stmt-nonterminal-tokens.stdout | 15 +- .../issue-78675-captured-inner-attrs.stdout | 4 +- 7 files changed, 75 insertions(+), 246 deletions(-) diff --git a/compiler/rustc_ast_pretty/src/pprust/state.rs b/compiler/rustc_ast_pretty/src/pprust/state.rs index 4c29ca0ca465..0576640fef8c 100644 --- a/compiler/rustc_ast_pretty/src/pprust/state.rs +++ b/compiler/rustc_ast_pretty/src/pprust/state.rs @@ -870,18 +870,11 @@ pub trait PrintState<'a>: std::ops::Deref + std::ops::Dere } fn nonterminal_to_string(&self, nt: &Nonterminal) -> String { - match nt { - token::NtExpr(e) => self.expr_to_string(e), - token::NtMeta(e) => self.attr_item_to_string(e), - token::NtTy(e) => self.ty_to_string(e), - token::NtPath(e) => self.path_to_string(e), - token::NtItem(e) => self.item_to_string(e), - token::NtBlock(e) => self.block_to_string(e), - token::NtStmt(e) => self.stmt_to_string(e), - token::NtPat(e) => self.pat_to_string(e), - token::NtLiteral(e) => self.expr_to_string(e), - token::NtVis(e) => self.vis_to_string(e), - } + // We extract the token stream from the AST fragment and pretty print + // it, rather than using AST pretty printing, because `Nonterminal` is + // slated for removal in #124141. (This method will also then be + // removed.) + self.tts_to_string(&TokenStream::from_nonterminal_ast(nt)) } /// Print the token kind precisely, without converting `$crate` into its respective crate name. @@ -1015,6 +1008,10 @@ pub trait PrintState<'a>: std::ops::Deref + std::ops::Dere Self::to_string(|s| s.print_attr_item(ai, ai.path.span)) } + fn tts_to_string(&self, tokens: &TokenStream) -> String { + Self::to_string(|s| s.print_tts(tokens, false)) + } + fn to_string(f: impl FnOnce(&mut State<'_>)) -> String { let mut printer = State::new(); f(&mut printer); @@ -2060,10 +2057,6 @@ impl<'a> State<'a> { }) } - pub(crate) fn tts_to_string(&self, tokens: &TokenStream) -> String { - Self::to_string(|s| s.print_tts(tokens, false)) - } - pub(crate) fn path_segment_to_string(&self, p: &ast::PathSegment) -> String { Self::to_string(|s| s.print_path_segment(p, false)) } diff --git a/tests/ui/macros/stringify.rs b/tests/ui/macros/stringify.rs index 6b215ba525de..f06c1f99069a 100644 --- a/tests/ui/macros/stringify.rs +++ b/tests/ui/macros/stringify.rs @@ -37,25 +37,22 @@ macro_rules! vis { ($vis:vis) => { stringify!($vis) }; } // the same result (which is preferable.) macro_rules! c1 { ($frag:ident, [$($tt:tt)*], $s:literal) => { + // Prior to #125174: + // - the first of these two lines created a `TokenKind::Interpolated` + // that was printed by the AST pretty printer; + // - the second of these two lines created a token stream that was + // printed by the TokenStream pretty printer. + // + // Now they are both printed by the TokenStream pretty printer. But it + // doesn't hurt to keep both assertions to ensure this remains true. + // + // (This also explains the name `c1`. There used to be a `c2` macro for + // cases where the two pretty printers produced different output.) assert_eq!($frag!($($tt)*), $s); assert_eq!(stringify!($($tt)*), $s); }; } -// Use this when AST pretty-printing and TokenStream pretty-printing give -// different results. -// -// `c1` and `c2` could be in a single macro, but having them separate makes it -// easy to find the cases where the two pretty-printing approaches give -// different results. -macro_rules! c2 { - ($frag:ident, [$($tt:tt)*], $s1:literal, $s2:literal $(,)?) => { - assert_ne!($s1, $s2, "should use `c1!` instead"); - assert_eq!($frag!($($tt)*), $s1); - assert_eq!(stringify!($($tt)*), $s2); - }; -} - #[test] fn test_block() { c1!(block, [ {} ], "{}"); @@ -76,7 +73,7 @@ fn test_expr() { // ExprKind::Array c1!(expr, [ [] ], "[]"); c1!(expr, [ [true] ], "[true]"); - c2!(expr, [ [true,] ], "[true]", "[true,]"); + c1!(expr, [ [true,] ], "[true,]"); c1!(expr, [ [true, true] ], "[true, true]"); // ExprKind::ConstBlock @@ -85,11 +82,11 @@ fn test_expr() { // ExprKind::Call c1!(expr, [ f() ], "f()"); c1!(expr, [ f::() ], "f::()"); - c2!(expr, [ f :: < u8>( ) ], "f::()", "f :: < u8>()"); + c1!(expr, [ f :: < u8>( ) ], "f :: < u8>()"); c1!(expr, [ f::<1>() ], "f::<1>()"); c1!(expr, [ f::<'a, u8, 1>() ], "f::<'a, u8, 1>()"); c1!(expr, [ f(true) ], "f(true)"); - c2!(expr, [ f(true,) ], "f(true)", "f(true,)"); + c1!(expr, [ f(true,) ], "f(true,)"); c1!(expr, [ ()() ], "()()"); // ExprKind::MethodCall @@ -101,7 +98,7 @@ fn test_expr() { c1!(expr, [ () ], "()"); c1!(expr, [ (true,) ], "(true,)"); c1!(expr, [ (true, false) ], "(true, false)"); - c2!(expr, [ (true, false,) ], "(true, false)", "(true, false,)"); + c1!(expr, [ (true, false,) ], "(true, false,)"); // ExprKind::Binary c1!(expr, [ true || false ], "true || false"); @@ -131,16 +128,6 @@ fn test_expr() { c1!(expr, [ if let Some(a) = b { c } else { d } ], "if let Some(a) = b { c } else { d }"); c1!(expr, [ if let _ = true && false {} ], "if let _ = true && false {}"); c1!(expr, [ if let _ = (true && false) {} ], "if let _ = (true && false) {}"); - macro_rules! c2_if_let { - ($expr:expr, $expr_expected:expr, $tokens_expected:expr $(,)?) => { - c2!(expr, [ if let _ = $expr {} ], $expr_expected, $tokens_expected); - }; - } - c2_if_let!( - true && false, - "if let _ = (true && false) {}", - "if let _ = true && false {}", - ); c1!(expr, [ match () { _ if let _ = Struct {} => {} } ], "match () { _ if let _ = Struct {} => {} }" @@ -203,31 +190,6 @@ fn test_expr() { } ], "match self { Ok => 1, Err => 0, }" ); - macro_rules! c2_match_arm { - ([ $expr:expr ], $expr_expected:expr, $tokens_expected:expr $(,)?) => { - c2!(expr, [ match () { _ => $expr } ], $expr_expected, $tokens_expected); - }; - } - c2_match_arm!( - [ { 1 } - 1 ], - "match () { _ => ({ 1 }) - 1, }", - "match () { _ => { 1 } - 1 }", - ); - c2_match_arm!( - [ m!() - 1 ], - "match () { _ => m!() - 1, }", - "match () { _ => m!() - 1 }", - ); - c2_match_arm!( - [ m![] - 1 ], - "match () { _ => m![] - 1, }", - "match () { _ => m![] - 1 }", - ); - c2_match_arm!( - [ m! {} - 1 ], - "match () { _ => m! {} - 1, }", - "match () { _ => m! {} - 1 }", - ); // ExprKind::Closure c1!(expr, [ || {} ], "|| {}"); @@ -242,22 +204,19 @@ fn test_expr() { c1!(expr, [ static async || self ], "static async || self"); c1!(expr, [ static async move || self ], "static async move || self"); c1!(expr, [ || -> u8 { self } ], "|| -> u8 { self }"); - c2!(expr, [ 1 + || {} ], "1 + (|| {})", "1 + || {}"); // AST?? + c1!(expr, [ 1 + || {} ], "1 + || {}"); // ExprKind::Block c1!(expr, [ {} ], "{}"); c1!(expr, [ unsafe {} ], "unsafe {}"); c1!(expr, [ 'a: {} ], "'a: {}"); c1!(expr, [ #[attr] {} ], "#[attr] {}"); - c2!(expr, + c1!(expr, [ { #![attr] } ], - "{\n\ - \x20 #![attr]\n\ - }", "{ #![attr] }" ); @@ -289,7 +248,7 @@ fn test_expr() { c1!(expr, [ ..hi ], "..hi"); c1!(expr, [ lo.. ], "lo.."); c1!(expr, [ lo..hi ], "lo..hi"); - c2!(expr, [ lo .. hi ], "lo..hi", "lo .. hi"); + c1!(expr, [ lo .. hi ], "lo .. hi"); c1!(expr, [ ..=hi ], "..=hi"); c1!(expr, [ lo..=hi ], "lo..=hi"); c1!(expr, [ -2..=-1 ], "-2..=-1"); @@ -382,11 +341,7 @@ fn test_item() { c1!(item, [ pub extern crate self as std; ], "pub extern crate self as std;"); // ItemKind::Use - c2!(item, - [ pub use crate::{a, b::c}; ], - "pub use crate::{a, b::c};", - "pub use crate::{ a, b::c };" // FIXME - ); + c1!(item, [ pub use crate::{a, b::c}; ], "pub use crate::{ a, b::c };"); // FIXME c1!(item, [ pub use A::*; ], "pub use A::*;"); // ItemKind::Static @@ -418,24 +373,19 @@ fn test_item() { // ItemKind::ForeignMod c1!(item, [ extern "C" {} ], "extern \"C\" {}"); - c2!(item, - [ pub extern "C" {} ], - "extern \"C\" {}", // ?? - "pub extern \"C\" {}" - ); + c1!(item, [ pub extern "C" {} ], "pub extern \"C\" {}"); c1!(item, [ unsafe extern "C++" {} ], "unsafe extern \"C++\" {}"); // ItemKind::GlobalAsm: untestable because this test works pre-expansion. // ItemKind::TyAlias - c2!(item, + c1!(item, [ pub default type Type<'a>: Bound where Self: 'a, = T; ], - "pub default type Type<'a>: Bound where Self: 'a = T;", "pub default type Type<'a>: Bound where Self: 'a, = T;" ); @@ -451,7 +401,7 @@ fn test_item() { ], "enum Empty { Unit, Tuple(), Struct {}, }" ); - c2!(item, + c1!(item, [ enum Enum where @@ -462,13 +412,6 @@ fn test_item() { Struct { t: T }, } ], - "enum Enum where T: 'a {\n\ - \x20 Unit,\n\ - \x20 Tuple(T),\n\ - \x20 Struct {\n\ - \x20 t: T,\n\ - \x20 },\n\ - }", "enum Enum where T: 'a, { Unit, Tuple(T), Struct { t: T }, }" ); @@ -477,7 +420,7 @@ fn test_item() { c1!(item, [ struct Tuple(); ], "struct Tuple();"); c1!(item, [ struct Tuple(T); ], "struct Tuple(T);"); c1!(item, [ struct Struct {} ], "struct Struct {}"); - c2!(item, + c1!(item, [ struct Struct where @@ -486,29 +429,23 @@ fn test_item() { t: T, } ], - "struct Struct where T: 'a {\n\ - \x20 t: T,\n\ - }", "struct Struct where T: 'a, { t: T, }" ); // ItemKind::Union c1!(item, [ pub union Union {} ], "pub union Union {}"); - c2!(item, + c1!(item, [ union Union where T: 'a { t: T, } ], - "union Union where T: 'a {\n\ - \x20 t: T,\n\ - }", "union Union where T: 'a { t: T, }" ); // ItemKind::Trait c1!(item, [ pub unsafe auto trait Send {} ], "pub unsafe auto trait Send {}"); - c2!(item, + c1!(item, [ trait Trait<'a>: Sized where @@ -516,7 +453,6 @@ fn test_item() { { } ], - "trait Trait<'a>: Sized where Self: 'a {}", "trait Trait<'a>: Sized where Self: 'a, {}" ); @@ -547,11 +483,7 @@ fn test_item() { ], "macro_rules! stringify { () => {}; }" ); - c2!(item, - [ pub macro stringify() {} ], - "pub macro stringify { () => {} }", // ?? - "pub macro stringify() {}" - ); + c1!(item, [ pub macro stringify() {} ], "pub macro stringify() {}"); } #[test] @@ -577,7 +509,7 @@ fn test_pat() { // PatKind::Struct c1!(pat, [ Struct {} ], "Struct {}"); c1!(pat, [ Struct:: {} ], "Struct:: {}"); - c2!(pat, [ Struct ::< u8 > {} ], "Struct:: {}", "Struct ::< u8 > {}"); + c1!(pat, [ Struct ::< u8 > {} ], "Struct ::< u8 > {}"); c1!(pat, [ Struct::<'static> {} ], "Struct::<'static> {}"); c1!(pat, [ Struct { x } ], "Struct { x }"); c1!(pat, [ Struct { x: _x } ], "Struct { x: _x }"); @@ -597,8 +529,8 @@ fn test_pat() { // PatKind::Or c1!(pat, [ true | false ], "true | false"); - c2!(pat, [ | true ], "true", "| true"); - c2!(pat, [ |true| false ], "true | false", "|true| false"); + c1!(pat, [ | true ], "| true"); + c1!(pat, [ |true| false ], "|true| false"); // PatKind::Path c1!(pat, [ crate::Path ], "crate::Path"); @@ -631,7 +563,7 @@ fn test_pat() { // PatKind::Slice c1!(pat, [ [] ], "[]"); c1!(pat, [ [true] ], "[true]"); - c2!(pat, [ [true,] ], "[true]", "[true,]"); + c1!(pat, [ [true,] ], "[true,]"); c1!(pat, [ [true, false] ], "[true, false]"); // PatKind::Rest @@ -658,7 +590,7 @@ fn test_path() { c1!(path, [ crate::thing ], "crate::thing"); c1!(path, [ Self::thing ], "Self::thing"); c1!(path, [ Self<'static> ], "Self<'static>"); - c2!(path, [ Self::<'static> ], "Self<'static>", "Self::<'static>"); + c1!(path, [ Self::<'static> ], "Self::<'static>"); c1!(path, [ Self() ], "Self()"); c1!(path, [ Self() -> () ], "Self() -> ()"); } @@ -666,40 +598,12 @@ fn test_path() { #[test] fn test_stmt() { // StmtKind::Local - c2!(stmt, [ let _ ], "let _;", "let _"); - c2!(stmt, [ let x = true ], "let x = true;", "let x = true"); - c2!(stmt, [ let x: bool = true ], "let x: bool = true;", "let x: bool = true"); - c2!(stmt, [ let (a, b) = (1, 2) ], "let (a, b) = (1, 2);", "let (a, b) = (1, 2)"); - c2!(stmt, - [ let (a, b): (u32, u32) = (1, 2) ], - "let (a, b): (u32, u32) = (1, 2);", - "let (a, b): (u32, u32) = (1, 2)" - ); - c2!(stmt, - [ let _ = f() else { return; } ], - "let _ = f() else { return; };", - "let _ = f() else { return; }", - ); - macro_rules! c2_let_expr_minus_one { - ([ $expr:expr ], $stmt_expected:expr, $tokens_expected:expr $(,)?) => { - c2!(stmt, [ let _ = $expr - 1 ], $stmt_expected, $tokens_expected); - }; - } - c2_let_expr_minus_one!( - [ match void {} ], - "let _ = match void {} - 1;", - "let _ = match void {} - 1", - ); - macro_rules! c2_let_expr_else_return { - ([ $expr:expr ], $stmt_expected:expr, $tokens_expected:expr $(,)?) => { - c2!(stmt, [ let _ = $expr else { return; } ], $stmt_expected, $tokens_expected); - }; - } - c2_let_expr_else_return!( - [ f() ], - "let _ = f() else { return; };", - "let _ = f() else { return; }", - ); + c1!(stmt, [ let _ ], "let _"); + c1!(stmt, [ let x = true ], "let x = true"); + c1!(stmt, [ let x: bool = true ], "let x: bool = true"); + c1!(stmt, [ let (a, b) = (1, 2) ], "let (a, b) = (1, 2)"); + c1!(stmt, [ let (a, b): (u32, u32) = (1, 2) ], "let (a, b): (u32, u32) = (1, 2)"); + c1!(stmt, [ let _ = f() else { return; } ], "let _ = f() else { return; }"); // StmtKind::Item c1!(stmt, [ struct S; ], "struct S;"); @@ -709,62 +613,7 @@ fn test_stmt() { c1!(stmt, [ loop {} ], "loop {}"); // StmtKind::Semi - c2!(stmt, [ 1 + 1 ], "1 + 1;", "1 + 1"); - macro_rules! c2_expr_as_stmt { - // Parse as expr, then reparse as stmt. - // - // The c2_minus_one macro below can't directly call `c2!(stmt, ...)` - // because `$expr - 1` cannot be parsed directly as a stmt. A statement - // boundary occurs after the `match void {}`, after which the `-` token - // hits "no rules expected this token in macro call". - // - // The unwanted statement boundary is exactly why the pretty-printer is - // injecting parentheses around the subexpression, which is the behavior - // we are interested in testing. - ([ $expr:expr ], $stmt_expected:expr, $tokens_expected:expr $(,)?) => { - c2!(stmt, [ $expr ], $stmt_expected, $tokens_expected); - }; - } - macro_rules! c2_minus_one { - ([ $expr:expr ], $stmt_expected:expr, $tokens_expected:expr $(,)?) => { - c2_expr_as_stmt!([ $expr - 1 ], $stmt_expected, $tokens_expected); - }; - } - c2_minus_one!( - [ match void {} ], - "(match void {}) - 1;", - "match void {} - 1", - ); - c2_minus_one!( - [ match void {}() ], - "(match void {})() - 1;", - "match void {}() - 1", - ); - c2_minus_one!( - [ match void {}[0] ], - "(match void {})[0] - 1;", - "match void {}[0] - 1", - ); - c2_minus_one!( - [ loop { break 1; } ], - "(loop { break 1; }) - 1;", - "loop { break 1; } - 1", - ); - c2_minus_one!( - [ m!() ], - "m!() - 1;", - "m!() - 1" - ); - c2_minus_one!( - [ m![] ], - "m![] - 1;", - "m![] - 1" - ); - c2_minus_one!( - [ m! {} ], - "(m! {}) - 1;", - "m! {} - 1" - ); + c1!(stmt, [ 1 + 1 ], "1 + 1"); // StmtKind::Empty c1!(stmt, [ ; ], ";"); @@ -793,14 +642,14 @@ fn test_ty() { c1!(ty, [ &'a T ], "&'a T"); c1!(ty, [ &'a mut [T] ], "&'a mut [T]"); c1!(ty, [ &A>>> ], "&A>>>"); - c2!(ty, [ &A > > > ], "&A>>>", "&A > > >"); + c1!(ty, [ &A > > > ], "&A > > >"); // TyKind::BareFn c1!(ty, [ fn() ], "fn()"); c1!(ty, [ fn() -> () ], "fn() -> ()"); c1!(ty, [ fn(u8) ], "fn(u8)"); c1!(ty, [ fn(x: u8) ], "fn(x: u8)"); - c2!(ty, [ for<> fn() ], "fn()", "for<> fn()"); + c1!(ty, [ for<> fn() ], "for<> fn()"); c1!(ty, [ for<'a> fn() ], "for<'a> fn()"); // TyKind::Never @@ -819,7 +668,7 @@ fn test_ty() { c1!(ty, [ T ], "T"); c1!(ty, [ Ref<'a> ], "Ref<'a>"); c1!(ty, [ PhantomData ], "PhantomData"); - c2!(ty, [ PhantomData:: ], "PhantomData", "PhantomData::"); + c1!(ty, [ PhantomData:: ], "PhantomData::"); c1!(ty, [ Fn() -> ! ], "Fn() -> !"); c1!(ty, [ Fn(u8) -> ! ], "Fn(u8) -> !"); c1!(ty, [ ::Type ], "::Type"); @@ -864,23 +713,19 @@ fn test_ty() { #[test] fn test_vis() { // VisibilityKind::Public - c2!(vis, [ pub ], "pub ", "pub"); + c1!(vis, [ pub ], "pub"); // VisibilityKind::Restricted - c2!(vis, [ pub(crate) ], "pub(crate) ", "pub(crate)"); - c2!(vis, [ pub(self) ], "pub(self) ", "pub(self)"); - c2!(vis, [ pub(super) ], "pub(super) ", "pub(super)"); - c2!(vis, [ pub(in crate) ], "pub(in crate) ", "pub(in crate)"); - c2!(vis, [ pub(in self) ], "pub(in self) ", "pub(in self)"); - c2!(vis, [ pub(in super) ], "pub(in super) ", "pub(in super)"); - c2!(vis, [ pub(in path::to) ], "pub(in path::to) ", "pub(in path::to)"); - c2!(vis, [ pub(in ::path::to) ], "pub(in ::path::to) ", "pub(in ::path::to)"); - c2!(vis, [ pub(in self::path::to) ], "pub(in self::path::to) ", "pub(in self::path::to)"); - c2!(vis, - [ pub(in super::path::to) ], - "pub(in super::path::to) ", - "pub(in super::path::to)" - ); + c1!(vis, [ pub(crate) ], "pub(crate)"); + c1!(vis, [ pub(self) ], "pub(self)"); + c1!(vis, [ pub(super) ], "pub(super)"); + c1!(vis, [ pub(in crate) ], "pub(in crate)"); + c1!(vis, [ pub(in self) ], "pub(in self)"); + c1!(vis, [ pub(in super) ], "pub(in super)"); + c1!(vis, [ pub(in path::to) ], "pub(in path::to)"); + c1!(vis, [ pub(in ::path::to) ], "pub(in ::path::to)"); + c1!(vis, [ pub(in self::path::to) ], "pub(in self::path::to)"); + c1!(vis, [ pub(in super::path::to) ], "pub(in super::path::to)"); // VisibilityKind::Inherited // This one is different because directly calling `vis!` does not work. diff --git a/tests/ui/macros/trace_faulty_macros.rs b/tests/ui/macros/trace_faulty_macros.rs index ec1ce1a1f925..87036bb9c6f7 100644 --- a/tests/ui/macros/trace_faulty_macros.rs +++ b/tests/ui/macros/trace_faulty_macros.rs @@ -46,7 +46,7 @@ macro_rules! test { (let $p:pat = $e:expr) => {test!(($p,$e))}; // this should be expr // vvv - (($p:pat, $e:pat)) => {let $p = $e;}; //~ ERROR expected expression, found pattern `1 + 1` + (($p:pat, $e:pat)) => {let $p = $e;}; //~ ERROR expected expression, found pattern `1+1` } fn foo() { diff --git a/tests/ui/macros/trace_faulty_macros.stderr b/tests/ui/macros/trace_faulty_macros.stderr index 665dcc7d0913..66d7b76bb072 100644 --- a/tests/ui/macros/trace_faulty_macros.stderr +++ b/tests/ui/macros/trace_faulty_macros.stderr @@ -50,7 +50,7 @@ LL | my_recursive_macro!(); = note: expanding `my_recursive_macro! { }` = note: to `my_recursive_macro! ();` -error: expected expression, found pattern `A { a: a, b: 0, c: _, .. }` +error: expected expression, found pattern `A { a : a, b : 0, c : _, .. }` --> $DIR/trace_faulty_macros.rs:16:9 | LL | $a @@ -69,7 +69,7 @@ LL | #[derive(Debug)] LL | fn use_derive_macro_as_attr() {} | -------------------------------- not a `struct`, `enum` or `union` -error: expected expression, found pattern `1 + 1` +error: expected expression, found pattern `1+1` --> $DIR/trace_faulty_macros.rs:49:37 | LL | (let $p:pat = $e:expr) => {test!(($p,$e))}; @@ -96,7 +96,7 @@ LL | let a = pat_macro!(); = note: expanding `pat_macro! { }` = note: to `pat_macro! (A { a : a, b : 0, c : _, .. });` = note: expanding `pat_macro! { A { a : a, b : 0, c : _, .. } }` - = note: to `A { a: a, b: 0, c: _, .. }` + = note: to `A { a : a, b : 0, c : _, .. }` note: trace_macro --> $DIR/trace_faulty_macros.rs:53:5 @@ -105,9 +105,9 @@ LL | test!(let x = 1+1); | ^^^^^^^^^^^^^^^^^^ | = note: expanding `test! { let x = 1+1 }` - = note: to `test! ((x, 1 + 1))` - = note: expanding `test! { (x, 1 + 1) }` - = note: to `let x = 1 + 1;` + = note: to `test! ((x, 1+1))` + = note: expanding `test! { (x, 1+1) }` + = note: to `let x = 1+1;` error: aborting due to 5 previous errors diff --git a/tests/ui/proc-macro/capture-macro-rules-invoke.stdout b/tests/ui/proc-macro/capture-macro-rules-invoke.stdout index 71e34119ba7e..172e5ec6e427 100644 --- a/tests/ui/proc-macro/capture-macro-rules-invoke.stdout +++ b/tests/ui/proc-macro/capture-macro-rules-invoke.stdout @@ -11,9 +11,7 @@ PRINT-BANG INPUT (DEBUG): TokenStream [ span: $DIR/capture-macro-rules-invoke.rs:21:21: 21:26 (#3), }, ] -PRINT-BANG INPUT (DISPLAY): 1 + 1, { "a" }, let a = 1;, String, my_name, 'a, my_val = 30, -std::option::Option, pub(in some::path) , [a b c], -30 -PRINT-BANG RE-COLLECTED (DISPLAY): 1 + 1, { "a" }, let a = 1, String, my_name, 'a, my_val = 30, +PRINT-BANG INPUT (DISPLAY): 1 + 1, { "a" }, let a = 1, String, my_name, 'a, my_val = 30, std::option::Option, pub(in some::path), [a b c], -30 PRINT-BANG DEEP-RE-COLLECTED (DISPLAY): 1 + 1, { "a" }, let a = 1, String, my_name, 'a, my_val = 30, std :: option :: Option, pub(in some :: path), [a b c], - 30 diff --git a/tests/ui/proc-macro/expr-stmt-nonterminal-tokens.stdout b/tests/ui/proc-macro/expr-stmt-nonterminal-tokens.stdout index e11d2c0715cb..6523f2485cd1 100644 --- a/tests/ui/proc-macro/expr-stmt-nonterminal-tokens.stdout +++ b/tests/ui/proc-macro/expr-stmt-nonterminal-tokens.stdout @@ -1,5 +1,4 @@ -PRINT-DERIVE INPUT (DISPLAY): enum E { V = { let _ = #[allow(warnings)] 0; 0 }, } -PRINT-DERIVE DEEP-RE-COLLECTED (DISPLAY): enum E { V = { let _ = #[allow(warnings)] #[allow(warnings)] 0; 0 }, } +PRINT-DERIVE INPUT (DISPLAY): enum E { V = { let _ = #[allow(warnings)] #[allow(warnings)] 0; 0 }, } PRINT-DERIVE INPUT (DEBUG): TokenStream [ Ident { ident: "enum", @@ -122,8 +121,7 @@ PRINT-DERIVE INPUT (DEBUG): TokenStream [ span: #3 bytes(308..357), }, ] -PRINT-DERIVE INPUT (DISPLAY): enum E { V = { let _ = { 0; }; 0 }, } -PRINT-DERIVE DEEP-RE-COLLECTED (DISPLAY): enum E { V = { let _ = { 0 }; 0 }, } +PRINT-DERIVE INPUT (DISPLAY): enum E { V = { let _ = { 0 }; 0 }, } PRINT-DERIVE INPUT (DEBUG): TokenStream [ Ident { ident: "enum", @@ -280,8 +278,7 @@ PRINT-DERIVE INPUT (DEBUG): TokenStream [ span: #11 bytes(432..485), }, ] -PRINT-DERIVE INPUT (DISPLAY): enum E { V = { let _ = { PATH; }; 0 }, } -PRINT-DERIVE DEEP-RE-COLLECTED (DISPLAY): enum E { V = { let _ = { PATH }; 0 }, } +PRINT-DERIVE INPUT (DISPLAY): enum E { V = { let _ = { PATH }; 0 }, } PRINT-DERIVE INPUT (DEBUG): TokenStream [ Ident { ident: "enum", @@ -358,8 +355,7 @@ PRINT-DERIVE INPUT (DEBUG): TokenStream [ span: #15 bytes(432..485), }, ] -PRINT-DERIVE INPUT (DISPLAY): enum E { V = { let _ = { 0 + 1; }; 0 }, } -PRINT-DERIVE DEEP-RE-COLLECTED (DISPLAY): enum E { V = { let _ = { 0 + 1 }; 0 }, } +PRINT-DERIVE INPUT (DISPLAY): enum E { V = { let _ = { 0 + 1 }; 0 }, } PRINT-DERIVE INPUT (DEBUG): TokenStream [ Ident { ident: "enum", @@ -449,8 +445,7 @@ PRINT-DERIVE INPUT (DEBUG): TokenStream [ span: #19 bytes(432..485), }, ] -PRINT-DERIVE INPUT (DISPLAY): enum E { V = { let _ = { PATH + 1; }; 0 }, } -PRINT-DERIVE DEEP-RE-COLLECTED (DISPLAY): enum E { V = { let _ = { PATH + 1 }; 0 }, } +PRINT-DERIVE INPUT (DISPLAY): enum E { V = { let _ = { PATH + 1 }; 0 }, } PRINT-DERIVE INPUT (DEBUG): TokenStream [ Ident { ident: "enum", diff --git a/tests/ui/proc-macro/issue-78675-captured-inner-attrs.stdout b/tests/ui/proc-macro/issue-78675-captured-inner-attrs.stdout index 37ecf3a8df33..346f87643c27 100644 --- a/tests/ui/proc-macro/issue-78675-captured-inner-attrs.stdout +++ b/tests/ui/proc-macro/issue-78675-captured-inner-attrs.stdout @@ -1,6 +1,4 @@ -PRINT-BANG INPUT (DISPLAY): foo! { #[fake_attr] mod bar { - #![doc = r" Foo"] -} } +PRINT-BANG INPUT (DISPLAY): foo! { #[fake_attr] mod bar { #![doc = r" Foo"] } } PRINT-BANG DEEP-RE-COLLECTED (DISPLAY): foo! { #[fake_attr] mod bar { #! [doc = r" Foo"] } } PRINT-BANG INPUT (DEBUG): TokenStream [ Ident { From 54b2e86db7f522294254ae5e4572feba28e0b929 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Wed, 5 Jun 2024 12:56:38 +1000 Subject: [PATCH 1007/1716] Port `tests/run-make-fulldeps/issue-19371` to ui-fulldeps --- src/tools/compiletest/src/header.rs | 10 +++++ tests/run-make-fulldeps/issue-19371/Makefile | 9 ----- .../run-compiler-twice.rs} | 38 ++++++++++++------- 3 files changed, 34 insertions(+), 23 deletions(-) delete mode 100644 tests/run-make-fulldeps/issue-19371/Makefile rename tests/{run-make-fulldeps/issue-19371/foo.rs => ui-fulldeps/run-compiler-twice.rs} (65%) diff --git a/src/tools/compiletest/src/header.rs b/src/tools/compiletest/src/header.rs index a2cdf800a971..f8400801a3c5 100644 --- a/src/tools/compiletest/src/header.rs +++ b/src/tools/compiletest/src/header.rs @@ -1267,6 +1267,8 @@ fn expand_variables(mut value: String, config: &Config) -> String { const CWD: &str = "{{cwd}}"; const SRC_BASE: &str = "{{src-base}}"; const BUILD_BASE: &str = "{{build-base}}"; + const SYSROOT_BASE: &str = "{{sysroot-base}}"; + const TARGET_LINKER: &str = "{{target-linker}}"; if value.contains(CWD) { let cwd = env::current_dir().unwrap(); @@ -1281,6 +1283,14 @@ fn expand_variables(mut value: String, config: &Config) -> String { value = value.replace(BUILD_BASE, &config.build_base.to_string_lossy()); } + if value.contains(SYSROOT_BASE) { + value = value.replace(SYSROOT_BASE, &config.sysroot_base.to_string_lossy()); + } + + if value.contains(TARGET_LINKER) { + value = value.replace(TARGET_LINKER, config.target_linker.as_deref().unwrap_or("")); + } + value } diff --git a/tests/run-make-fulldeps/issue-19371/Makefile b/tests/run-make-fulldeps/issue-19371/Makefile deleted file mode 100644 index edec68f08623..000000000000 --- a/tests/run-make-fulldeps/issue-19371/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -include ../../run-make/tools.mk - -# This test ensures that rustc compile_input can be called twice in one task -# without causing a panic. -# The program needs the path to rustc to get sysroot. - -all: - $(RUSTC) foo.rs - $(call RUN,foo $(TMPDIR) $(RUSTC)) diff --git a/tests/run-make-fulldeps/issue-19371/foo.rs b/tests/ui-fulldeps/run-compiler-twice.rs similarity index 65% rename from tests/run-make-fulldeps/issue-19371/foo.rs rename to tests/ui-fulldeps/run-compiler-twice.rs index 327c99a02c6f..02748626723d 100644 --- a/tests/run-make-fulldeps/issue-19371/foo.rs +++ b/tests/ui-fulldeps/run-compiler-twice.rs @@ -1,3 +1,13 @@ +//@ edition: 2021 +//@ run-pass +//@ run-flags: {{sysroot-base}} {{target-linker}} +//@ ignore-stage1 (requires matching sysroot built with in-tree compiler) + +// Regression test for . +// +// This test ensures that `compile_input` can be called twice in one task +// without causing a panic. + #![feature(rustc_private)] extern crate rustc_driver; @@ -5,12 +15,12 @@ extern crate rustc_interface; extern crate rustc_session; extern crate rustc_span; +use std::path::{Path, PathBuf}; + use rustc_interface::interface; use rustc_session::config::{Input, Options, OutFileName, OutputType, OutputTypes}; use rustc_span::FileName; -use std::path::PathBuf; - fn main() { let src = r#" fn main() {} @@ -18,28 +28,28 @@ fn main() { let args: Vec = std::env::args().collect(); - if args.len() < 4 { - panic!("expected rustc path"); + if args.len() < 2 { + panic!("expected sysroot (and optional linker)"); } - let tmpdir = PathBuf::from(&args[1]); + let sysroot = PathBuf::from(&args[1]); + let linker = args.get(2).map(PathBuf::from); - let mut sysroot = PathBuf::from(&args[3]); - sysroot.pop(); - sysroot.pop(); + // compiletest sets the current dir to `output_base_dir` when running. + let tmpdir = std::env::current_dir().unwrap().join("tmp"); + std::fs::create_dir_all(&tmpdir).unwrap(); - compile(src.to_string(), tmpdir.join("out"), sysroot.clone()); - - compile(src.to_string(), tmpdir.join("out"), sysroot.clone()); + compile(src.to_string(), tmpdir.join("out"), sysroot.clone(), linker.as_deref()); + compile(src.to_string(), tmpdir.join("out"), sysroot.clone(), linker.as_deref()); } -fn compile(code: String, output: PathBuf, sysroot: PathBuf) { +fn compile(code: String, output: PathBuf, sysroot: PathBuf, linker: Option<&Path>) { let mut opts = Options::default(); opts.output_types = OutputTypes::new(&[(OutputType::Exe, None)]); opts.maybe_sysroot = Some(sysroot); - if let Ok(linker) = std::env::var("RUSTC_LINKER") { - opts.cg.linker = Some(linker.into()); + if let Some(linker) = linker { + opts.cg.linker = Some(linker.to_owned()); } let name = FileName::anon_source_code(&code); From 0453f374e85bc364a9c8a6188460d87f2241ad65 Mon Sep 17 00:00:00 2001 From: The Miri Cronjob Bot Date: Wed, 5 Jun 2024 05:05:48 +0000 Subject: [PATCH 1008/1716] Preparing for merge from rustc --- src/tools/miri/rust-version | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/miri/rust-version b/src/tools/miri/rust-version index cbaa740e52f5..5032f225227a 100644 --- a/src/tools/miri/rust-version +++ b/src/tools/miri/rust-version @@ -1 +1 @@ -caa187f3bc9604c78dfbc3ffabbe1372cb528639 +a330e49593ee890f9197727a3a558b6e6b37f843 From 9a77692189f641d80a82ae07722569f6ce61c8d4 Mon Sep 17 00:00:00 2001 From: The Miri Cronjob Bot Date: Wed, 5 Jun 2024 05:14:39 +0000 Subject: [PATCH 1009/1716] fmt --- src/tools/miri/tests/pass/drop_in_place.rs | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/src/tools/miri/tests/pass/drop_in_place.rs b/src/tools/miri/tests/pass/drop_in_place.rs index 0615a43c8000..cac8d76dd9d4 100644 --- a/src/tools/miri/tests/pass/drop_in_place.rs +++ b/src/tools/miri/tests/pass/drop_in_place.rs @@ -6,7 +6,5 @@ use std::ptr; fn main() { let mut not_a_bool = 13u8; - unsafe { - ptr::drop_in_place(&mut not_a_bool as *mut u8 as *mut bool) - }; + unsafe { ptr::drop_in_place(&mut not_a_bool as *mut u8 as *mut bool) }; } From 40291bce5f93afe25825709d7782e86445086e2f Mon Sep 17 00:00:00 2001 From: Jubilee Young Date: Tue, 4 Jun 2024 23:31:52 -0700 Subject: [PATCH 1010/1716] Silence double-symlink errors while building solaris toolchain --- .../host-x86_64/dist-various-2/build-solaris-toolchain.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/ci/docker/host-x86_64/dist-various-2/build-solaris-toolchain.sh b/src/ci/docker/host-x86_64/dist-various-2/build-solaris-toolchain.sh index 3939b4b7c41c..d046b539036d 100755 --- a/src/ci/docker/host-x86_64/dist-various-2/build-solaris-toolchain.sh +++ b/src/ci/docker/host-x86_64/dist-various-2/build-solaris-toolchain.sh @@ -54,7 +54,7 @@ apt-get clean # This makes all those symlinks. for lib in $(find -name '*.so.*'); do target=${lib%.so.*}.so - [ -e $target ] || ln -s ${lib##*/} $target + ln -s ${lib##*/} $target || echo "warning: silenced error symlinking $lib" done # Remove Solaris 11 functions that are optionally used by libbacktrace. From f9150f6e3688010efba0cc7a88ee67a8e47bc9bd Mon Sep 17 00:00:00 2001 From: Eric Huss Date: Tue, 4 Jun 2024 19:06:05 -0700 Subject: [PATCH 1011/1716] Update nomicon --- src/doc/nomicon | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/doc/nomicon b/src/doc/nomicon index 0d5f88475fe2..0ebdacadbda8 160000 --- a/src/doc/nomicon +++ b/src/doc/nomicon @@ -1 +1 @@ -Subproject commit 0d5f88475fe285affa6dbbc806e9e44d730797c0 +Subproject commit 0ebdacadbda8ce2cd8fbf93985e15af61a7ab895 From acd6e4c0fd10ac356d2bddbf47595748d0e3f2db Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Dorian=20P=C3=A9ron?= Date: Fri, 3 May 2024 10:28:09 +0000 Subject: [PATCH 1012/1716] tests(coverage): Add mcdc_non_control_flow tests --- tests/coverage/mcdc_non_control_flow.cov-map | 199 ++++++++++++++++++ tests/coverage/mcdc_non_control_flow.coverage | 98 +++++++++ tests/coverage/mcdc_non_control_flow.rs | 72 +++++++ 3 files changed, 369 insertions(+) create mode 100644 tests/coverage/mcdc_non_control_flow.cov-map create mode 100644 tests/coverage/mcdc_non_control_flow.coverage create mode 100644 tests/coverage/mcdc_non_control_flow.rs diff --git a/tests/coverage/mcdc_non_control_flow.cov-map b/tests/coverage/mcdc_non_control_flow.cov-map new file mode 100644 index 000000000000..3f422d85e799 --- /dev/null +++ b/tests/coverage/mcdc_non_control_flow.cov-map @@ -0,0 +1,199 @@ +Function name: mcdc_non_control_flow::assign_3 +Raw bytes (73): 0x[01, 01, 09, 05, 07, 0b, 11, 09, 0d, 01, 05, 01, 05, 22, 11, 01, 05, 22, 11, 01, 05, 09, 01, 16, 01, 00, 28, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 22, 00, 0d, 00, 0e, 22, 00, 12, 00, 13, 20, 1e, 11, 00, 12, 00, 13, 1e, 00, 17, 00, 18, 20, 09, 0d, 00, 17, 00, 18, 03, 01, 05, 01, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 9 +- expression 0 operands: lhs = Counter(1), rhs = Expression(1, Add) +- expression 1 operands: lhs = Expression(2, Add), rhs = Counter(4) +- expression 2 operands: lhs = Counter(2), rhs = Counter(3) +- expression 3 operands: lhs = Counter(0), rhs = Counter(1) +- expression 4 operands: lhs = Counter(0), rhs = Counter(1) +- expression 5 operands: lhs = Expression(8, Sub), rhs = Counter(4) +- expression 6 operands: lhs = Counter(0), rhs = Counter(1) +- expression 7 operands: lhs = Expression(8, Sub), rhs = Counter(4) +- expression 8 operands: lhs = Counter(0), rhs = Counter(1) +Number of file 0 mappings: 9 +- Code(Counter(0)) at (prev + 22, 1) to (start + 0, 40) +- Code(Expression(0, Add)) at (prev + 1, 9) to (start + 0, 10) + = (c1 + ((c2 + c3) + c4)) +- Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14) +- Branch { true: Counter(1), false: Expression(8, Sub) } at (prev + 0, 13) to (start + 0, 14) + true = c1 + false = (c0 - c1) +- Code(Expression(8, Sub)) at (prev + 0, 18) to (start + 0, 19) + = (c0 - c1) +- Branch { true: Expression(7, Sub), false: Counter(4) } at (prev + 0, 18) to (start + 0, 19) + true = ((c0 - c1) - c4) + false = c4 +- Code(Expression(7, Sub)) at (prev + 0, 23) to (start + 0, 24) + = ((c0 - c1) - c4) +- Branch { true: Counter(2), false: Counter(3) } at (prev + 0, 23) to (start + 0, 24) + true = c2 + false = c3 +- Code(Expression(0, Add)) at (prev + 1, 5) to (start + 1, 2) + = (c1 + ((c2 + c3) + c4)) + +Function name: mcdc_non_control_flow::assign_3_bis +Raw bytes (82): 0x[01, 01, 07, 07, 11, 09, 0d, 01, 05, 05, 09, 16, 1a, 05, 09, 01, 05, 0a, 01, 1b, 01, 00, 2c, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 28, 00, 02, 00, 0d, 00, 13, 30, 05, 1a, 01, 02, 00, 00, 0d, 00, 0e, 05, 00, 12, 00, 13, 30, 09, 16, 02, 00, 00, 00, 12, 00, 13, 13, 00, 17, 00, 18, 20, 0d, 11, 00, 17, 00, 18, 03, 01, 05, 01, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 7 +- expression 0 operands: lhs = Expression(1, Add), rhs = Counter(4) +- expression 1 operands: lhs = Counter(2), rhs = Counter(3) +- expression 2 operands: lhs = Counter(0), rhs = Counter(1) +- expression 3 operands: lhs = Counter(1), rhs = Counter(2) +- expression 4 operands: lhs = Expression(5, Sub), rhs = Expression(6, Sub) +- expression 5 operands: lhs = Counter(1), rhs = Counter(2) +- expression 6 operands: lhs = Counter(0), rhs = Counter(1) +Number of file 0 mappings: 10 +- Code(Counter(0)) at (prev + 27, 1) to (start + 0, 44) +- Code(Expression(0, Add)) at (prev + 1, 9) to (start + 0, 10) + = ((c2 + c3) + c4) +- Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14) +- MCDCDecision { bitmap_idx: 0, conditions_num: 2 } at (prev + 0, 13) to (start + 0, 19) +- MCDCBranch { true: Counter(1), false: Expression(6, Sub), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 13) to (start + 0, 14) + true = c1 + false = (c0 - c1) +- Code(Counter(1)) at (prev + 0, 18) to (start + 0, 19) +- MCDCBranch { true: Counter(2), false: Expression(5, Sub), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 18) to (start + 0, 19) + true = c2 + false = (c1 - c2) +- Code(Expression(4, Add)) at (prev + 0, 23) to (start + 0, 24) + = ((c1 - c2) + (c0 - c1)) +- Branch { true: Counter(3), false: Counter(4) } at (prev + 0, 23) to (start + 0, 24) + true = c3 + false = c4 +- Code(Expression(0, Add)) at (prev + 1, 5) to (start + 1, 2) + = ((c2 + c3) + c4) + +Function name: mcdc_non_control_flow::assign_and +Raw bytes (51): 0x[01, 01, 04, 07, 0e, 09, 0d, 01, 05, 01, 05, 07, 01, 0c, 01, 00, 21, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 0e, 00, 0d, 00, 0e, 05, 00, 12, 00, 13, 20, 09, 0d, 00, 12, 00, 13, 03, 01, 05, 01, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 4 +- expression 0 operands: lhs = Expression(1, Add), rhs = Expression(3, Sub) +- expression 1 operands: lhs = Counter(2), rhs = Counter(3) +- expression 2 operands: lhs = Counter(0), rhs = Counter(1) +- expression 3 operands: lhs = Counter(0), rhs = Counter(1) +Number of file 0 mappings: 7 +- Code(Counter(0)) at (prev + 12, 1) to (start + 0, 33) +- Code(Expression(0, Add)) at (prev + 1, 9) to (start + 0, 10) + = ((c2 + c3) + (c0 - c1)) +- Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14) +- Branch { true: Counter(1), false: Expression(3, Sub) } at (prev + 0, 13) to (start + 0, 14) + true = c1 + false = (c0 - c1) +- Code(Counter(1)) at (prev + 0, 18) to (start + 0, 19) +- Branch { true: Counter(2), false: Counter(3) } at (prev + 0, 18) to (start + 0, 19) + true = c2 + false = c3 +- Code(Expression(0, Add)) at (prev + 1, 5) to (start + 1, 2) + = ((c2 + c3) + (c0 - c1)) + +Function name: mcdc_non_control_flow::assign_or +Raw bytes (51): 0x[01, 01, 04, 07, 0d, 05, 09, 01, 05, 01, 05, 07, 01, 11, 01, 00, 20, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 0e, 00, 0d, 00, 0e, 0e, 00, 12, 00, 13, 20, 09, 0d, 00, 12, 00, 13, 03, 01, 05, 01, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 4 +- expression 0 operands: lhs = Expression(1, Add), rhs = Counter(3) +- expression 1 operands: lhs = Counter(1), rhs = Counter(2) +- expression 2 operands: lhs = Counter(0), rhs = Counter(1) +- expression 3 operands: lhs = Counter(0), rhs = Counter(1) +Number of file 0 mappings: 7 +- Code(Counter(0)) at (prev + 17, 1) to (start + 0, 32) +- Code(Expression(0, Add)) at (prev + 1, 9) to (start + 0, 10) + = ((c1 + c2) + c3) +- Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14) +- Branch { true: Counter(1), false: Expression(3, Sub) } at (prev + 0, 13) to (start + 0, 14) + true = c1 + false = (c0 - c1) +- Code(Expression(3, Sub)) at (prev + 0, 18) to (start + 0, 19) + = (c0 - c1) +- Branch { true: Counter(2), false: Counter(3) } at (prev + 0, 18) to (start + 0, 19) + true = c2 + false = c3 +- Code(Expression(0, Add)) at (prev + 1, 5) to (start + 1, 2) + = ((c1 + c2) + c3) + +Function name: mcdc_non_control_flow::foo +Raw bytes (9): 0x[01, 01, 00, 01, 01, 25, 01, 02, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 0 +Number of file 0 mappings: 1 +- Code(Counter(0)) at (prev + 37, 1) to (start + 2, 2) + +Function name: mcdc_non_control_flow::func_call +Raw bytes (39): 0x[01, 01, 03, 01, 05, 0b, 02, 09, 0d, 05, 01, 29, 01, 01, 0a, 20, 05, 02, 01, 09, 00, 0a, 05, 00, 0e, 00, 0f, 20, 09, 0d, 00, 0e, 00, 0f, 07, 01, 01, 00, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 3 +- expression 0 operands: lhs = Counter(0), rhs = Counter(1) +- expression 1 operands: lhs = Expression(2, Add), rhs = Expression(0, Sub) +- expression 2 operands: lhs = Counter(2), rhs = Counter(3) +Number of file 0 mappings: 5 +- Code(Counter(0)) at (prev + 41, 1) to (start + 1, 10) +- Branch { true: Counter(1), false: Expression(0, Sub) } at (prev + 1, 9) to (start + 0, 10) + true = c1 + false = (c0 - c1) +- Code(Counter(1)) at (prev + 0, 14) to (start + 0, 15) +- Branch { true: Counter(2), false: Counter(3) } at (prev + 0, 14) to (start + 0, 15) + true = c2 + false = c3 +- Code(Expression(1, Add)) at (prev + 1, 1) to (start + 0, 2) + = ((c2 + c3) + (c0 - c1)) + +Function name: mcdc_non_control_flow::right_comb_tree +Raw bytes (117): 0x[01, 01, 13, 07, 1a, 0b, 19, 0f, 15, 13, 11, 09, 0d, 01, 05, 01, 05, 05, 19, 05, 19, 4a, 15, 05, 19, 4a, 15, 05, 19, 46, 11, 4a, 15, 05, 19, 46, 11, 4a, 15, 05, 19, 0d, 01, 20, 01, 00, 41, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 1a, 00, 0d, 00, 0e, 05, 00, 13, 00, 14, 20, 4a, 19, 00, 13, 00, 14, 4a, 00, 19, 00, 1a, 20, 46, 15, 00, 19, 00, 1a, 46, 00, 1f, 00, 20, 20, 42, 11, 00, 1f, 00, 20, 42, 00, 24, 00, 27, 20, 09, 0d, 00, 24, 00, 27, 03, 01, 05, 01, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 19 +- expression 0 operands: lhs = Expression(1, Add), rhs = Expression(6, Sub) +- expression 1 operands: lhs = Expression(2, Add), rhs = Counter(6) +- expression 2 operands: lhs = Expression(3, Add), rhs = Counter(5) +- expression 3 operands: lhs = Expression(4, Add), rhs = Counter(4) +- expression 4 operands: lhs = Counter(2), rhs = Counter(3) +- expression 5 operands: lhs = Counter(0), rhs = Counter(1) +- expression 6 operands: lhs = Counter(0), rhs = Counter(1) +- expression 7 operands: lhs = Counter(1), rhs = Counter(6) +- expression 8 operands: lhs = Counter(1), rhs = Counter(6) +- expression 9 operands: lhs = Expression(18, Sub), rhs = Counter(5) +- expression 10 operands: lhs = Counter(1), rhs = Counter(6) +- expression 11 operands: lhs = Expression(18, Sub), rhs = Counter(5) +- expression 12 operands: lhs = Counter(1), rhs = Counter(6) +- expression 13 operands: lhs = Expression(17, Sub), rhs = Counter(4) +- expression 14 operands: lhs = Expression(18, Sub), rhs = Counter(5) +- expression 15 operands: lhs = Counter(1), rhs = Counter(6) +- expression 16 operands: lhs = Expression(17, Sub), rhs = Counter(4) +- expression 17 operands: lhs = Expression(18, Sub), rhs = Counter(5) +- expression 18 operands: lhs = Counter(1), rhs = Counter(6) +Number of file 0 mappings: 13 +- Code(Counter(0)) at (prev + 32, 1) to (start + 0, 65) +- Code(Expression(0, Add)) at (prev + 1, 9) to (start + 0, 10) + = (((((c2 + c3) + c4) + c5) + c6) + (c0 - c1)) +- Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14) +- Branch { true: Counter(1), false: Expression(6, Sub) } at (prev + 0, 13) to (start + 0, 14) + true = c1 + false = (c0 - c1) +- Code(Counter(1)) at (prev + 0, 19) to (start + 0, 20) +- Branch { true: Expression(18, Sub), false: Counter(6) } at (prev + 0, 19) to (start + 0, 20) + true = (c1 - c6) + false = c6 +- Code(Expression(18, Sub)) at (prev + 0, 25) to (start + 0, 26) + = (c1 - c6) +- Branch { true: Expression(17, Sub), false: Counter(5) } at (prev + 0, 25) to (start + 0, 26) + true = ((c1 - c6) - c5) + false = c5 +- Code(Expression(17, Sub)) at (prev + 0, 31) to (start + 0, 32) + = ((c1 - c6) - c5) +- Branch { true: Expression(16, Sub), false: Counter(4) } at (prev + 0, 31) to (start + 0, 32) + true = (((c1 - c6) - c5) - c4) + false = c4 +- Code(Expression(16, Sub)) at (prev + 0, 36) to (start + 0, 39) + = (((c1 - c6) - c5) - c4) +- Branch { true: Counter(2), false: Counter(3) } at (prev + 0, 36) to (start + 0, 39) + true = c2 + false = c3 +- Code(Expression(0, Add)) at (prev + 1, 5) to (start + 1, 2) + = (((((c2 + c3) + c4) + c5) + c6) + (c0 - c1)) + diff --git a/tests/coverage/mcdc_non_control_flow.coverage b/tests/coverage/mcdc_non_control_flow.coverage new file mode 100644 index 000000000000..4e53a7a0d8e8 --- /dev/null +++ b/tests/coverage/mcdc_non_control_flow.coverage @@ -0,0 +1,98 @@ + LL| |#![feature(coverage_attribute)] + LL| |//@ edition: 2021 + LL| |//@ min-llvm-version: 18 + LL| |//@ compile-flags: -Zcoverage-options=mcdc + LL| |//@ llvm-cov-flags: --show-mcdc + LL| | + LL| |// This test ensures that boolean expressions that are not inside control flow + LL| |// decisions are correctly instrumented. + LL| | + LL| |use core::hint::black_box; + LL| | + LL| 3|fn assign_and(a: bool, b: bool) { + LL| 3| let x = a && b; + ^2 + LL| 3| black_box(x); + LL| 3|} + LL| | + LL| 3|fn assign_or(a: bool, b: bool) { + LL| 3| let x = a || b; + ^1 + LL| 3| black_box(x); + LL| 3|} + LL| | + LL| 4|fn assign_3(a: bool, b: bool, c: bool) { + LL| 4| let x = a || b && c; + ^2 ^1 + LL| 4| black_box(x); + LL| 4|} + LL| | + LL| 4|fn assign_3_bis(a: bool, b: bool, c: bool) { + LL| 4| let x = a && b || c; + ^2 ^3 + ------------------ + |---> MC/DC Decision Region (LL:13) to (LL:19) + | + | Number of Conditions: 2 + | Condition C1 --> (LL:13) + | Condition C2 --> (LL:18) + | + | Executed MC/DC Test Vectors: + | + | C1, C2 Result + | 1 { F, - = F } + | 2 { T, F = F } + | 3 { T, T = T } + | + | C1-Pair: covered: (1,3) + | C2-Pair: covered: (2,3) + | MC/DC Coverage for Decision: 100.00% + | + ------------------ + LL| 4| black_box(x); + LL| 4|} + LL| | + LL| 3|fn right_comb_tree(a: bool, b: bool, c: bool, d: bool, e: bool) { + LL| 3| let x = a && (b && (c && (d && (e)))); + ^2 ^1 ^1 ^1 + LL| 3| black_box(x); + LL| 3|} + LL| | + LL| 3|fn foo(a: bool) -> bool { + LL| 3| black_box(a) + LL| 3|} + LL| | + LL| 3|fn func_call(a: bool, b: bool) { + LL| 3| foo(a && b); + ^2 + LL| 3|} + LL| | + LL| |#[coverage(off)] + LL| |fn main() { + LL| | assign_and(true, false); + LL| | assign_and(true, true); + LL| | assign_and(false, false); + LL| | + LL| | assign_or(true, false); + LL| | assign_or(true, true); + LL| | assign_or(false, false); + LL| | + LL| | assign_3(true, false, false); + LL| | assign_3(true, true, false); + LL| | assign_3(false, false, true); + LL| | assign_3(false, true, true); + LL| | + LL| | assign_3_bis(true, false, false); + LL| | assign_3_bis(true, true, false); + LL| | assign_3_bis(false, false, true); + LL| | assign_3_bis(false, true, true); + LL| | + LL| | right_comb_tree(false, false, false, true, true); + LL| | right_comb_tree(true, false, false, true, true); + LL| | right_comb_tree(true, true, true, true, true); + LL| | + LL| | func_call(true, false); + LL| | func_call(true, true); + LL| | func_call(false, false); + LL| |} + diff --git a/tests/coverage/mcdc_non_control_flow.rs b/tests/coverage/mcdc_non_control_flow.rs new file mode 100644 index 000000000000..85c0a6c6ae58 --- /dev/null +++ b/tests/coverage/mcdc_non_control_flow.rs @@ -0,0 +1,72 @@ +#![feature(coverage_attribute)] +//@ edition: 2021 +//@ min-llvm-version: 18 +//@ compile-flags: -Zcoverage-options=mcdc +//@ llvm-cov-flags: --show-mcdc + +// This test ensures that boolean expressions that are not inside control flow +// decisions are correctly instrumented. + +use core::hint::black_box; + +fn assign_and(a: bool, b: bool) { + let x = a && b; + black_box(x); +} + +fn assign_or(a: bool, b: bool) { + let x = a || b; + black_box(x); +} + +fn assign_3(a: bool, b: bool, c: bool) { + let x = a || b && c; + black_box(x); +} + +fn assign_3_bis(a: bool, b: bool, c: bool) { + let x = a && b || c; + black_box(x); +} + +fn right_comb_tree(a: bool, b: bool, c: bool, d: bool, e: bool) { + let x = a && (b && (c && (d && (e)))); + black_box(x); +} + +fn foo(a: bool) -> bool { + black_box(a) +} + +fn func_call(a: bool, b: bool) { + foo(a && b); +} + +#[coverage(off)] +fn main() { + assign_and(true, false); + assign_and(true, true); + assign_and(false, false); + + assign_or(true, false); + assign_or(true, true); + assign_or(false, false); + + assign_3(true, false, false); + assign_3(true, true, false); + assign_3(false, false, true); + assign_3(false, true, true); + + assign_3_bis(true, false, false); + assign_3_bis(true, true, false); + assign_3_bis(false, false, true); + assign_3_bis(false, true, true); + + right_comb_tree(false, false, false, true, true); + right_comb_tree(true, false, false, true, true); + right_comb_tree(true, true, true, true, true); + + func_call(true, false); + func_call(true, true); + func_call(false, false); +} From dc020ae5d8f396b35e0741aaba677b59e3e7f168 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Wed, 29 May 2024 10:13:28 +0000 Subject: [PATCH 1013/1716] Use a `LocalDefId` for `HirTyLowerer::item_def_id`, since we only ever (can) use it for local items --- compiler/rustc_hir_analysis/src/collect.rs | 4 ++-- .../src/collect/predicates_of.rs | 1 - .../src/hir_ty_lowering/mod.rs | 19 +++++++++---------- compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs | 4 ++-- 4 files changed, 13 insertions(+), 15 deletions(-) diff --git a/compiler/rustc_hir_analysis/src/collect.rs b/compiler/rustc_hir_analysis/src/collect.rs index 7e7460061484..afdad6935fc9 100644 --- a/compiler/rustc_hir_analysis/src/collect.rs +++ b/compiler/rustc_hir_analysis/src/collect.rs @@ -370,8 +370,8 @@ impl<'tcx> HirTyLowerer<'tcx> for ItemCtxt<'tcx> { self.tcx } - fn item_def_id(&self) -> DefId { - self.item_def_id.to_def_id() + fn item_def_id(&self) -> LocalDefId { + self.item_def_id } fn allow_infer(&self) -> bool { diff --git a/compiler/rustc_hir_analysis/src/collect/predicates_of.rs b/compiler/rustc_hir_analysis/src/collect/predicates_of.rs index 072bb7279016..0abe4f07e190 100644 --- a/compiler/rustc_hir_analysis/src/collect/predicates_of.rs +++ b/compiler/rustc_hir_analysis/src/collect/predicates_of.rs @@ -117,7 +117,6 @@ fn gather_explicit_predicates_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::Gen let mut is_trait = None; let mut is_default_impl_trait = None; - // FIXME: Should ItemCtxt take a LocalDefId? let icx = ItemCtxt::new(tcx, def_id); const NO_GENERICS: &hir::Generics<'_> = hir::Generics::empty(); diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs index 2f54349d267a..9f136ff97b76 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs @@ -89,8 +89,8 @@ pub enum PredicateFilter { pub trait HirTyLowerer<'tcx> { fn tcx(&self) -> TyCtxt<'tcx>; - /// Returns the [`DefId`] of the overarching item whose constituents get lowered. - fn item_def_id(&self) -> DefId; + /// Returns the [`LocalDefId`] of the overarching item whose constituents get lowered. + fn item_def_id(&self) -> LocalDefId; /// Returns `true` if the current context allows the use of inference variables. fn allow_infer(&self) -> bool; @@ -1493,16 +1493,15 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { let def_id = self.item_def_id(); debug!(item_def_id = ?def_id); - let parent_def_id = def_id - .as_local() - .map(|def_id| tcx.local_def_id_to_hir_id(def_id)) - .map(|hir_id| tcx.hir().get_parent_item(hir_id).to_def_id()); + // FIXME: document why/how this is different from `tcx.local_parent(def_id)` + let parent_def_id = + tcx.hir().get_parent_item(tcx.local_def_id_to_hir_id(def_id)).to_def_id(); debug!(?parent_def_id); // If the trait in segment is the same as the trait defining the item, // use the `` syntax in the error. - let is_part_of_self_trait_constraints = def_id == trait_def_id; - let is_part_of_fn_in_self_trait = parent_def_id == Some(trait_def_id); + let is_part_of_self_trait_constraints = def_id.to_def_id() == trait_def_id; + let is_part_of_fn_in_self_trait = parent_def_id == trait_def_id; let type_names = if is_part_of_self_trait_constraints || is_part_of_fn_in_self_trait { vec!["Self".to_string()] @@ -1983,7 +1982,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { } let sig_generics = self.tcx().generics_of(sig_id); - let parent = self.tcx().parent(self.item_def_id()); + let parent = self.tcx().local_parent(self.item_def_id()); let parent_generics = self.tcx().generics_of(parent); let parent_is_trait = (self.tcx().def_kind(parent) == DefKind::Trait) as usize; @@ -2022,7 +2021,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { let sig = self.tcx().fn_sig(sig_id); let sig_generics = self.tcx().generics_of(sig_id); - let parent = self.tcx().parent(self.item_def_id()); + let parent = self.tcx().local_parent(self.item_def_id()); let parent_def_kind = self.tcx().def_kind(parent); let sig = if let DefKind::Impl { .. } = parent_def_kind diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs index afba812a8e7b..4d79b3686e2b 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs @@ -218,8 +218,8 @@ impl<'a, 'tcx> HirTyLowerer<'tcx> for FnCtxt<'a, 'tcx> { self.tcx } - fn item_def_id(&self) -> DefId { - self.body_id.to_def_id() + fn item_def_id(&self) -> LocalDefId { + self.body_id } fn allow_infer(&self) -> bool { From 9d387d14e00f8211d1c52bc1190311de3947c030 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Fri, 31 May 2024 10:52:00 +0000 Subject: [PATCH 1014/1716] Simplify some code paths and remove an unused field `ct_infer` and `lower_ty` will correctly result in an error constant or type respectively, as they go through a `HirTyLowerer` method (just like `HirTyLowerer::allow_infer` is a method implemented by both implementors --- .../src/hir_ty_lowering/mod.rs | 18 +++--------------- 1 file changed, 3 insertions(+), 15 deletions(-) diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs index 9f136ff97b76..055a0f84efc1 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs @@ -421,7 +421,6 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { def_id: DefId, generic_args: &'a GenericArgs<'tcx>, span: Span, - inferred_params: Vec, infer_args: bool, incorrect_args: &'a Result<(), GenericArgCountMismatch>, } @@ -450,7 +449,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { } } - let mut handle_ty_args = |has_default, ty: &hir::Ty<'tcx>| { + let handle_ty_args = |has_default, ty: &hir::Ty<'tcx>| { if has_default { tcx.check_optional_stability( param.def_id, @@ -467,12 +466,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { }, ); } - if let (hir::TyKind::Infer, false) = (&ty.kind, self.lowerer.allow_infer()) { - self.inferred_params.push(ty.span); - Ty::new_misc_error(tcx).into() - } else { - self.lowerer.lower_ty(ty).into() - } + self.lowerer.lower_ty(ty).into() }; match (¶m.kind, arg) { @@ -496,12 +490,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { .type_of(param.def_id) .no_bound_vars() .expect("const parameter types cannot be generic"); - if self.lowerer.allow_infer() { - self.lowerer.ct_infer(ty, Some(param), inf.span).into() - } else { - self.inferred_params.push(inf.span); - ty::Const::new_misc_error(tcx, ty).into() - } + self.lowerer.ct_infer(ty, Some(param), inf.span).into() } (kind, arg) => span_bug!( self.span, @@ -604,7 +593,6 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { def_id, span, generic_args: segment.args(), - inferred_params: vec![], infer_args: segment.infer_args, incorrect_args: &arg_count.correct, }; From abd308b8863ae43ee96fc98fa4a5e90ecb31f12f Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Fri, 31 May 2024 13:09:18 +0000 Subject: [PATCH 1015/1716] Remove an `Option` and instead eagerly create error lifetimes --- compiler/rustc_hir_analysis/src/collect.rs | 25 +++++++++-- .../src/hir_ty_lowering/mod.rs | 43 ++++++------------- .../src/hir_ty_lowering/object_safety.rs | 19 +------- .../rustc_hir_typeck/src/fn_ctxt/_impl.rs | 2 +- compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs | 9 +++- 5 files changed, 43 insertions(+), 55 deletions(-) diff --git a/compiler/rustc_hir_analysis/src/collect.rs b/compiler/rustc_hir_analysis/src/collect.rs index afdad6935fc9..538d87a300d4 100644 --- a/compiler/rustc_hir_analysis/src/collect.rs +++ b/compiler/rustc_hir_analysis/src/collect.rs @@ -18,7 +18,7 @@ use rustc_ast::Recovered; use rustc_data_structures::captures::Captures; use rustc_data_structures::fx::{FxHashSet, FxIndexMap}; use rustc_data_structures::unord::UnordMap; -use rustc_errors::{Applicability, Diag, ErrorGuaranteed, StashKey}; +use rustc_errors::{struct_span_code_err, Applicability, Diag, ErrorGuaranteed, StashKey, E0228}; use rustc_hir as hir; use rustc_hir::def::DefKind; use rustc_hir::def_id::{DefId, LocalDefId}; @@ -378,8 +378,27 @@ impl<'tcx> HirTyLowerer<'tcx> for ItemCtxt<'tcx> { false } - fn re_infer(&self, _: Option<&ty::GenericParamDef>, _: Span) -> Option> { - None + fn re_infer( + &self, + _: Option<&ty::GenericParamDef>, + span: Span, + object_lifetime_default: bool, + ) -> ty::Region<'tcx> { + if object_lifetime_default { + let e = struct_span_code_err!( + self.tcx().dcx(), + span, + E0228, + "the lifetime bound for this object type cannot be deduced \ + from context; please supply an explicit bound" + ) + .emit(); + self.set_tainted_by_errors(e); + ty::Region::new_error(self.tcx(), e) + } else { + // This indicates an illegal lifetime in a non-assoc-trait position + ty::Region::new_error_with_message(self.tcx(), span, "unelided lifetime in signature") + } } fn ty_infer(&self, _: Option<&ty::GenericParamDef>, span: Span) -> Ty<'tcx> { diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs index 055a0f84efc1..7076983284c5 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs @@ -96,8 +96,14 @@ pub trait HirTyLowerer<'tcx> { fn allow_infer(&self) -> bool; /// Returns the region to use when a lifetime is omitted (and not elided). - fn re_infer(&self, param: Option<&ty::GenericParamDef>, span: Span) - -> Option>; + /// + /// The `object_lifetime_default` argument states whether this lifetime is from a reference. + fn re_infer( + &self, + param: Option<&ty::GenericParamDef>, + span: Span, + object_lifetime_default: bool, + ) -> ty::Region<'tcx>; /// Returns the type to use when a type is omitted. fn ty_infer(&self, param: Option<&ty::GenericParamDef>, span: Span) -> Ty<'tcx>; @@ -292,21 +298,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { Some(rbv::ResolvedArg::Error(guar)) => ty::Region::new_error(tcx, guar), - None => { - self.re_infer(def, lifetime.ident.span).unwrap_or_else(|| { - debug!(?lifetime, "unelided lifetime in signature"); - - // This indicates an illegal lifetime - // elision. `resolve_lifetime` should have - // reported an error in this case -- but if - // not, let's error out. - ty::Region::new_error_with_message( - tcx, - lifetime.ident.span, - "unelided lifetime in signature", - ) - }) - } + None => self.re_infer(def, lifetime.ident.span, false), } } @@ -513,20 +505,9 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { } } match param.kind { - GenericParamDefKind::Lifetime => self - .lowerer - .re_infer(Some(param), self.span) - .unwrap_or_else(|| { - debug!(?param, "unelided lifetime in signature"); - - // This indicates an illegal lifetime in a non-assoc-trait position - ty::Region::new_error_with_message( - tcx, - self.span, - "unelided lifetime in signature", - ) - }) - .into(), + GenericParamDefKind::Lifetime => { + self.lowerer.re_infer(Some(param), self.span, false).into() + } GenericParamDefKind::Type { has_default, .. } => { if !infer_args && has_default { // No type parameter provided, but a default exists. diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/object_safety.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/object_safety.rs index 4f7a39d02503..fef80102b623 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/object_safety.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/object_safety.rs @@ -327,24 +327,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { if tcx.named_bound_var(lifetime.hir_id).is_some() { self.lower_lifetime(lifetime, None) } else { - self.re_infer(None, span).unwrap_or_else(|| { - let err = struct_span_code_err!( - tcx.dcx(), - span, - E0228, - "the lifetime bound for this object type cannot be deduced \ - from context; please supply an explicit bound" - ); - let e = if borrowed { - // We will have already emitted an error E0106 complaining about a - // missing named lifetime in `&dyn Trait`, so we elide this one. - err.delay_as_bug() - } else { - err.emit() - }; - self.set_tainted_by_errors(e); - ty::Region::new_error(tcx, e) - }) + self.re_infer(None, span, !borrowed) } }) }; diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs index 58eb0c281798..fb44e542f7ad 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs @@ -1325,7 +1325,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let tcx = self.fcx.tcx(); match param.kind { GenericParamDefKind::Lifetime => { - self.fcx.re_infer(Some(param), self.span).unwrap().into() + self.fcx.re_infer(Some(param), self.span, false).into() } GenericParamDefKind::Type { has_default, .. } => { if !infer_args && has_default { diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs index 4d79b3686e2b..d250dee5113d 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs @@ -226,12 +226,17 @@ impl<'a, 'tcx> HirTyLowerer<'tcx> for FnCtxt<'a, 'tcx> { true } - fn re_infer(&self, def: Option<&ty::GenericParamDef>, span: Span) -> Option> { + fn re_infer( + &self, + def: Option<&ty::GenericParamDef>, + span: Span, + _object_lifetime_default: bool, + ) -> ty::Region<'tcx> { let v = match def { Some(def) => infer::RegionParameterDefinition(span, def.name), None => infer::MiscVariable(span), }; - Some(self.next_region_var(v)) + self.next_region_var(v) } fn ty_infer(&self, param: Option<&ty::GenericParamDef>, span: Span) -> Ty<'tcx> { From 6a2e15a6f08fa1869cd9aacb89c7b2d033c54e65 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Fri, 31 May 2024 13:36:27 +0000 Subject: [PATCH 1016/1716] Only collect infer vars to error about in case infer vars are actually forbidden --- compiler/rustc_hir_analysis/src/collect.rs | 87 ++++++++++++++++- .../src/hir_ty_lowering/mod.rs | 93 ++----------------- compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs | 16 ++++ 3 files changed, 111 insertions(+), 85 deletions(-) diff --git a/compiler/rustc_hir_analysis/src/collect.rs b/compiler/rustc_hir_analysis/src/collect.rs index 538d87a300d4..f6e5aeb53962 100644 --- a/compiler/rustc_hir_analysis/src/collect.rs +++ b/compiler/rustc_hir_analysis/src/collect.rs @@ -19,10 +19,10 @@ use rustc_data_structures::captures::Captures; use rustc_data_structures::fx::{FxHashSet, FxIndexMap}; use rustc_data_structures::unord::UnordMap; use rustc_errors::{struct_span_code_err, Applicability, Diag, ErrorGuaranteed, StashKey, E0228}; -use rustc_hir as hir; use rustc_hir::def::DefKind; use rustc_hir::def_id::{DefId, LocalDefId}; -use rustc_hir::intravisit::{self, Visitor}; +use rustc_hir::intravisit::{self, walk_generics, Visitor}; +use rustc_hir::{self as hir}; use rustc_hir::{GenericParamKind, Node}; use rustc_infer::infer::{InferCtxt, TyCtxtInferExt}; use rustc_infer::traits::ObligationCause; @@ -529,6 +529,89 @@ impl<'tcx> HirTyLowerer<'tcx> for ItemCtxt<'tcx> { fn set_tainted_by_errors(&self, err: ErrorGuaranteed) { self.tainted_by_errors.set(Some(err)); } + + fn lower_fn_sig( + &self, + decl: &hir::FnDecl<'tcx>, + generics: Option<&hir::Generics<'_>>, + hir_id: rustc_hir::HirId, + hir_ty: Option<&hir::Ty<'_>>, + ) -> (Vec>, Ty<'tcx>) { + let tcx = self.tcx(); + // We proactively collect all the inferred type params to emit a single error per fn def. + let mut visitor = HirPlaceholderCollector::default(); + let mut infer_replacements = vec![]; + + if let Some(generics) = generics { + walk_generics(&mut visitor, generics); + } + + let input_tys = decl + .inputs + .iter() + .enumerate() + .map(|(i, a)| { + if let hir::TyKind::Infer = a.kind { + if let Some(suggested_ty) = + self.lowerer().suggest_trait_fn_ty_for_impl_fn_infer(hir_id, Some(i)) + { + infer_replacements.push((a.span, suggested_ty.to_string())); + return Ty::new_error_with_message(tcx, a.span, suggested_ty.to_string()); + } + } + + // Only visit the type looking for `_` if we didn't fix the type above + visitor.visit_ty(a); + self.lowerer().lower_arg_ty(a, None) + }) + .collect(); + + let output_ty = match decl.output { + hir::FnRetTy::Return(output) => { + if let hir::TyKind::Infer = output.kind + && let Some(suggested_ty) = + self.lowerer().suggest_trait_fn_ty_for_impl_fn_infer(hir_id, None) + { + infer_replacements.push((output.span, suggested_ty.to_string())); + Ty::new_error_with_message(tcx, output.span, suggested_ty.to_string()) + } else { + visitor.visit_ty(output); + self.lower_ty(output) + } + } + hir::FnRetTy::DefaultReturn(..) => tcx.types.unit, + }; + + if !(visitor.0.is_empty() && infer_replacements.is_empty()) { + // We check for the presence of + // `ident_span` to not emit an error twice when we have `fn foo(_: fn() -> _)`. + + let mut diag = crate::collect::placeholder_type_error_diag( + tcx, + generics, + visitor.0, + infer_replacements.iter().map(|(s, _)| *s).collect(), + true, + hir_ty, + "function", + ); + + if !infer_replacements.is_empty() { + diag.multipart_suggestion( + format!( + "try replacing `_` with the type{} in the corresponding trait method signature", + rustc_errors::pluralize!(infer_replacements.len()), + ), + infer_replacements, + Applicability::MachineApplicable, + ); + } + + self.set_tainted_by_errors(diag.emit()); + } + + (input_tys, output_ty) + } } /// Synthesize a new lifetime name that doesn't clash with any of the lifetimes already present. diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs index 7076983284c5..8f498fcdf366 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs @@ -20,7 +20,6 @@ mod lint; mod object_safety; use crate::bounds::Bounds; -use crate::collect::HirPlaceholderCollector; use crate::errors::{AmbiguousLifetimeBound, WildPatTy}; use crate::hir_ty_lowering::errors::{prohibit_assoc_item_constraint, GenericsArgsErrExtend}; use crate::hir_ty_lowering::generics::{check_generic_arg_count, lower_generic_args}; @@ -34,7 +33,6 @@ use rustc_errors::{ use rustc_hir as hir; use rustc_hir::def::{CtorOf, DefKind, Namespace, Res}; use rustc_hir::def_id::{DefId, LocalDefId}; -use rustc_hir::intravisit::{walk_generics, Visitor as _}; use rustc_hir::{GenericArg, GenericArgs, HirId}; use rustc_infer::infer::{InferCtxt, TyCtxtInferExt}; use rustc_infer::traits::ObligationCause; @@ -157,6 +155,14 @@ pub trait HirTyLowerer<'tcx> { poly_trait_ref: ty::PolyTraitRef<'tcx>, ) -> Ty<'tcx>; + fn lower_fn_sig( + &self, + decl: &hir::FnDecl<'tcx>, + generics: Option<&hir::Generics<'_>>, + hir_id: HirId, + hir_ty: Option<&hir::Ty<'_>>, + ) -> (Vec>, Ty<'tcx>); + /// Returns `AdtDef` if `ty` is an ADT. /// /// Note that `ty` might be a alias type that needs normalization. @@ -2306,92 +2312,13 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { let bound_vars = tcx.late_bound_vars(hir_id); debug!(?bound_vars); - // We proactively collect all the inferred type params to emit a single error per fn def. - let mut visitor = HirPlaceholderCollector::default(); - let mut infer_replacements = vec![]; - - if let Some(generics) = generics { - walk_generics(&mut visitor, generics); - } - - let input_tys: Vec<_> = decl - .inputs - .iter() - .enumerate() - .map(|(i, a)| { - if let hir::TyKind::Infer = a.kind - && !self.allow_infer() - { - if let Some(suggested_ty) = - self.suggest_trait_fn_ty_for_impl_fn_infer(hir_id, Some(i)) - { - infer_replacements.push((a.span, suggested_ty.to_string())); - return Ty::new_error_with_message( - self.tcx(), - a.span, - suggested_ty.to_string(), - ); - } - } - - // Only visit the type looking for `_` if we didn't fix the type above - visitor.visit_ty(a); - self.lower_arg_ty(a, None) - }) - .collect(); - - let output_ty = match decl.output { - hir::FnRetTy::Return(output) => { - if let hir::TyKind::Infer = output.kind - && !self.allow_infer() - && let Some(suggested_ty) = - self.suggest_trait_fn_ty_for_impl_fn_infer(hir_id, None) - { - infer_replacements.push((output.span, suggested_ty.to_string())); - Ty::new_error_with_message(self.tcx(), output.span, suggested_ty.to_string()) - } else { - visitor.visit_ty(output); - self.lower_ty(output) - } - } - hir::FnRetTy::DefaultReturn(..) => tcx.types.unit, - }; + let (input_tys, output_ty) = self.lower_fn_sig(decl, generics, hir_id, hir_ty); debug!(?output_ty); let fn_ty = tcx.mk_fn_sig(input_tys, output_ty, decl.c_variadic, safety, abi); let bare_fn_ty = ty::Binder::bind_with_vars(fn_ty, bound_vars); - if !self.allow_infer() && !(visitor.0.is_empty() && infer_replacements.is_empty()) { - // We always collect the spans for placeholder types when evaluating `fn`s, but we - // only want to emit an error complaining about them if infer types (`_`) are not - // allowed. `allow_infer` gates this behavior. We check for the presence of - // `ident_span` to not emit an error twice when we have `fn foo(_: fn() -> _)`. - - let mut diag = crate::collect::placeholder_type_error_diag( - tcx, - generics, - visitor.0, - infer_replacements.iter().map(|(s, _)| *s).collect(), - true, - hir_ty, - "function", - ); - - if !infer_replacements.is_empty() { - diag.multipart_suggestion( - format!( - "try replacing `_` with the type{} in the corresponding trait method signature", - rustc_errors::pluralize!(infer_replacements.len()), - ), - infer_replacements, - Applicability::MachineApplicable, - ); - } - - self.set_tainted_by_errors(diag.emit()); - } - // Find any late-bound regions declared in return type that do // not appear in the arguments. These are not well-formed. // @@ -2421,7 +2348,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { /// corresponding function in the trait that the impl implements, if it exists. /// If arg_idx is Some, then it corresponds to an input type index, otherwise it /// corresponds to the return type. - fn suggest_trait_fn_ty_for_impl_fn_infer( + pub(super) fn suggest_trait_fn_ty_for_impl_fn_infer( &self, fn_hir_id: HirId, arg_idx: Option, diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs index d250dee5113d..e62c4639b43d 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs @@ -355,6 +355,22 @@ impl<'a, 'tcx> HirTyLowerer<'tcx> for FnCtxt<'a, 'tcx> { fn set_tainted_by_errors(&self, e: ErrorGuaranteed) { self.infcx.set_tainted_by_errors(e) } + + fn lower_fn_sig( + &self, + decl: &rustc_hir::FnDecl<'tcx>, + _generics: Option<&rustc_hir::Generics<'_>>, + _hir_id: rustc_hir::HirId, + _hir_ty: Option<&hir::Ty<'_>>, + ) -> (Vec>, Ty<'tcx>) { + let input_tys = decl.inputs.iter().map(|a| self.lowerer().lower_arg_ty(a, None)).collect(); + + let output_ty = match decl.output { + hir::FnRetTy::Return(output) => self.lowerer().lower_ty(output), + hir::FnRetTy::DefaultReturn(..) => self.tcx().types.unit, + }; + (input_tys, output_ty) + } } /// The `ty` representation of a user-provided type. Depending on the use-site From 78706740d57d54a6da8abc8eda148c3bcdb64d40 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Fri, 31 May 2024 13:42:13 +0000 Subject: [PATCH 1017/1716] Remove `allows_infer` now that every use of it is delegated to `HirTyLowerer` --- compiler/rustc_hir_analysis/src/collect.rs | 4 ---- compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs | 3 --- compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs | 4 ---- 3 files changed, 11 deletions(-) diff --git a/compiler/rustc_hir_analysis/src/collect.rs b/compiler/rustc_hir_analysis/src/collect.rs index f6e5aeb53962..f5bcbf852bda 100644 --- a/compiler/rustc_hir_analysis/src/collect.rs +++ b/compiler/rustc_hir_analysis/src/collect.rs @@ -374,10 +374,6 @@ impl<'tcx> HirTyLowerer<'tcx> for ItemCtxt<'tcx> { self.item_def_id } - fn allow_infer(&self) -> bool { - false - } - fn re_infer( &self, _: Option<&ty::GenericParamDef>, diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs index 8f498fcdf366..87c34ac535fe 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs @@ -90,9 +90,6 @@ pub trait HirTyLowerer<'tcx> { /// Returns the [`LocalDefId`] of the overarching item whose constituents get lowered. fn item_def_id(&self) -> LocalDefId; - /// Returns `true` if the current context allows the use of inference variables. - fn allow_infer(&self) -> bool; - /// Returns the region to use when a lifetime is omitted (and not elided). /// /// The `object_lifetime_default` argument states whether this lifetime is from a reference. diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs index e62c4639b43d..6e4a464905fa 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs @@ -222,10 +222,6 @@ impl<'a, 'tcx> HirTyLowerer<'tcx> for FnCtxt<'a, 'tcx> { self.body_id } - fn allow_infer(&self) -> bool { - true - } - fn re_infer( &self, def: Option<&ty::GenericParamDef>, From 4146b8280a70212ac8cec8ce69e5aff2a4a74577 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Fri, 31 May 2024 13:52:37 +0000 Subject: [PATCH 1018/1716] Remove some unnecessary explicit lifetimes --- compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs index 6e4a464905fa..954a0956b70d 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs @@ -213,8 +213,8 @@ impl<'a, 'tcx> Deref for FnCtxt<'a, 'tcx> { } } -impl<'a, 'tcx> HirTyLowerer<'tcx> for FnCtxt<'a, 'tcx> { - fn tcx<'b>(&'b self) -> TyCtxt<'tcx> { +impl<'tcx> HirTyLowerer<'tcx> for FnCtxt<'_, 'tcx> { + fn tcx(&self) -> TyCtxt<'tcx> { self.tcx } From c8a331ac527264ce46b28a8592c31dcef2a5759b Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Tue, 4 Jun 2024 13:36:28 +0000 Subject: [PATCH 1019/1716] Unify optional param info with object lifetime default boolean into an enum that exhaustively supports all call sites --- compiler/rustc_hir_analysis/src/collect.rs | 11 ++---- .../src/collect/predicates_of.rs | 13 ++++--- .../src/hir_ty_lowering/bounds.rs | 4 ++- .../src/hir_ty_lowering/mod.rs | 35 +++++++++++-------- .../src/hir_ty_lowering/object_safety.rs | 17 ++++++--- .../rustc_hir_typeck/src/fn_ctxt/_impl.rs | 20 +++++++---- compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs | 15 +++----- .../rustc_hir_typeck/src/method/confirm.rs | 13 ++++--- 8 files changed, 75 insertions(+), 53 deletions(-) diff --git a/compiler/rustc_hir_analysis/src/collect.rs b/compiler/rustc_hir_analysis/src/collect.rs index f5bcbf852bda..d84dcb78ad2e 100644 --- a/compiler/rustc_hir_analysis/src/collect.rs +++ b/compiler/rustc_hir_analysis/src/collect.rs @@ -44,7 +44,7 @@ use std::ops::Bound; use crate::check::intrinsic::intrinsic_operation_unsafety; use crate::errors; -use crate::hir_ty_lowering::HirTyLowerer; +use crate::hir_ty_lowering::{HirTyLowerer, RegionInferReason}; pub use type_of::test_opaque_hidden_types; mod generics_of; @@ -374,13 +374,8 @@ impl<'tcx> HirTyLowerer<'tcx> for ItemCtxt<'tcx> { self.item_def_id } - fn re_infer( - &self, - _: Option<&ty::GenericParamDef>, - span: Span, - object_lifetime_default: bool, - ) -> ty::Region<'tcx> { - if object_lifetime_default { + fn re_infer(&self, span: Span, reason: RegionInferReason<'_>) -> ty::Region<'tcx> { + if let RegionInferReason::BorrowedObjectLifetimeDefault = reason { let e = struct_span_code_err!( self.tcx().dcx(), span, diff --git a/compiler/rustc_hir_analysis/src/collect/predicates_of.rs b/compiler/rustc_hir_analysis/src/collect/predicates_of.rs index 0abe4f07e190..913fae6b5b69 100644 --- a/compiler/rustc_hir_analysis/src/collect/predicates_of.rs +++ b/compiler/rustc_hir_analysis/src/collect/predicates_of.rs @@ -1,7 +1,7 @@ use crate::bounds::Bounds; use crate::collect::ItemCtxt; use crate::constrained_generic_params as cgp; -use crate::hir_ty_lowering::{HirTyLowerer, OnlySelfBounds, PredicateFilter}; +use crate::hir_ty_lowering::{HirTyLowerer, OnlySelfBounds, PredicateFilter, RegionInferReason}; use hir::{HirId, Node}; use rustc_data_structures::fx::FxIndexSet; use rustc_hir as hir; @@ -243,12 +243,15 @@ fn gather_explicit_predicates_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::Gen } hir::WherePredicate::RegionPredicate(region_pred) => { - let r1 = icx.lowerer().lower_lifetime(region_pred.lifetime, None); + let r1 = icx + .lowerer() + .lower_lifetime(region_pred.lifetime, RegionInferReason::RegionPredicate); predicates.extend(region_pred.bounds.iter().map(|bound| { let (r2, span) = match bound { - hir::GenericBound::Outlives(lt) => { - (icx.lowerer().lower_lifetime(lt, None), lt.ident.span) - } + hir::GenericBound::Outlives(lt) => ( + icx.lowerer().lower_lifetime(lt, RegionInferReason::RegionPredicate), + lt.ident.span, + ), bound => { span_bug!( bound.span(), diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/bounds.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/bounds.rs index b6a1799c03f1..73ce577907eb 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/bounds.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/bounds.rs @@ -18,6 +18,8 @@ use crate::bounds::Bounds; use crate::errors; use crate::hir_ty_lowering::{HirTyLowerer, OnlySelfBounds, PredicateFilter}; +use super::RegionInferReason; + impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { /// Add a `Sized` bound to the `bounds` if appropriate. /// @@ -166,7 +168,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { ); } hir::GenericBound::Outlives(lifetime) => { - let region = self.lower_lifetime(lifetime, None); + let region = self.lower_lifetime(lifetime, RegionInferReason::OutlivesBound); bounds.push_region_bound( self.tcx(), ty::Binder::bind_with_vars( diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs index 87c34ac535fe..9b8edbc10ad8 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs @@ -80,6 +80,20 @@ pub enum PredicateFilter { SelfAndAssociatedTypeBounds, } +#[derive(Debug)] +pub enum RegionInferReason<'a> { + /// Lifetime on a trait object behind a reference. + /// This allows inferring information from the reference. + BorrowedObjectLifetimeDefault, + /// A trait object's lifetime. + ObjectLifetimeDefault, + /// Generic lifetime parameter + Param(&'a ty::GenericParamDef), + RegionPredicate, + Reference, + OutlivesBound, +} + /// A context which can lower type-system entities from the [HIR][hir] to /// the [`rustc_middle::ty`] representation. /// @@ -91,14 +105,7 @@ pub trait HirTyLowerer<'tcx> { fn item_def_id(&self) -> LocalDefId; /// Returns the region to use when a lifetime is omitted (and not elided). - /// - /// The `object_lifetime_default` argument states whether this lifetime is from a reference. - fn re_infer( - &self, - param: Option<&ty::GenericParamDef>, - span: Span, - object_lifetime_default: bool, - ) -> ty::Region<'tcx>; + fn re_infer(&self, span: Span, reason: RegionInferReason<'_>) -> ty::Region<'tcx>; /// Returns the type to use when a type is omitted. fn ty_infer(&self, param: Option<&ty::GenericParamDef>, span: Span) -> Ty<'tcx>; @@ -267,7 +274,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { pub fn lower_lifetime( &self, lifetime: &hir::Lifetime, - def: Option<&ty::GenericParamDef>, + reason: RegionInferReason<'_>, ) -> ty::Region<'tcx> { let tcx = self.tcx(); let lifetime_name = |def_id| tcx.hir().name(tcx.local_def_id_to_hir_id(def_id)); @@ -301,7 +308,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { Some(rbv::ResolvedArg::Error(guar)) => ty::Region::new_error(tcx, guar), - None => self.re_infer(def, lifetime.ident.span, false), + None => self.re_infer(lifetime.ident.span, reason), } } @@ -466,7 +473,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { match (¶m.kind, arg) { (GenericParamDefKind::Lifetime, GenericArg::Lifetime(lt)) => { - self.lowerer.lower_lifetime(lt, Some(param)).into() + self.lowerer.lower_lifetime(lt, RegionInferReason::Param(param)).into() } (&GenericParamDefKind::Type { has_default, .. }, GenericArg::Type(ty)) => { handle_ty_args(has_default, ty) @@ -509,7 +516,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { } match param.kind { GenericParamDefKind::Lifetime => { - self.lowerer.re_infer(Some(param), self.span, false).into() + self.lowerer.re_infer(self.span, RegionInferReason::Param(param)).into() } GenericParamDefKind::Type { has_default, .. } => { if !infer_args && has_default { @@ -2041,7 +2048,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { hir::TyKind::Slice(ty) => Ty::new_slice(tcx, self.lower_ty(ty)), hir::TyKind::Ptr(mt) => Ty::new_ptr(tcx, self.lower_ty(mt.ty), mt.mutbl), hir::TyKind::Ref(region, mt) => { - let r = self.lower_lifetime(region, None); + let r = self.lower_lifetime(region, RegionInferReason::Reference); debug!(?r); let t = self.lower_ty_common(mt.ty, true, false); Ty::new_ref(tcx, r, t, mt.mutbl) @@ -2270,7 +2277,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { &lifetimes[i] ) }; - self.lower_lifetime(lifetime, None).into() + self.lower_lifetime(lifetime, RegionInferReason::Param(¶m)).into() } else { tcx.mk_param_from_def(param) } diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/object_safety.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/object_safety.rs index fef80102b623..b9c5ae0c65b5 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/object_safety.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/object_safety.rs @@ -1,5 +1,7 @@ use crate::bounds::Bounds; -use crate::hir_ty_lowering::{GenericArgCountMismatch, GenericArgCountResult, OnlySelfBounds}; +use crate::hir_ty_lowering::{ + GenericArgCountMismatch, GenericArgCountResult, OnlySelfBounds, RegionInferReason, +}; use rustc_data_structures::fx::{FxHashSet, FxIndexMap, FxIndexSet}; use rustc_errors::{codes::*, struct_span_code_err}; use rustc_hir as hir; @@ -321,13 +323,20 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { // Use explicitly-specified region bound. let region_bound = if !lifetime.is_elided() { - self.lower_lifetime(lifetime, None) + self.lower_lifetime(lifetime, RegionInferReason::ObjectLifetimeDefault) } else { self.compute_object_lifetime_bound(span, existential_predicates).unwrap_or_else(|| { if tcx.named_bound_var(lifetime.hir_id).is_some() { - self.lower_lifetime(lifetime, None) + self.lower_lifetime(lifetime, RegionInferReason::ObjectLifetimeDefault) } else { - self.re_infer(None, span, !borrowed) + self.re_infer( + span, + if borrowed { + RegionInferReason::ObjectLifetimeDefault + } else { + RegionInferReason::BorrowedObjectLifetimeDefault + }, + ) } }) }; diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs index fb44e542f7ad..250e9c3c313e 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs @@ -16,7 +16,7 @@ use rustc_hir_analysis::hir_ty_lowering::generics::{ }; use rustc_hir_analysis::hir_ty_lowering::{ ExplicitLateBound, GenericArgCountMismatch, GenericArgCountResult, GenericArgsLowerer, - GenericPathSegment, HirTyLowerer, IsMethodCall, + GenericPathSegment, HirTyLowerer, IsMethodCall, RegionInferReason, }; use rustc_infer::infer::canonical::{Canonical, OriginalQueryValues, QueryResponse}; use rustc_infer::infer::error_reporting::TypeAnnotationNeeded::E0282; @@ -1280,9 +1280,11 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { arg: &GenericArg<'tcx>, ) -> ty::GenericArg<'tcx> { match (¶m.kind, arg) { - (GenericParamDefKind::Lifetime, GenericArg::Lifetime(lt)) => { - self.fcx.lowerer().lower_lifetime(lt, Some(param)).into() - } + (GenericParamDefKind::Lifetime, GenericArg::Lifetime(lt)) => self + .fcx + .lowerer() + .lower_lifetime(lt, RegionInferReason::Param(param)) + .into(), (GenericParamDefKind::Type { .. }, GenericArg::Type(ty)) => { self.fcx.lower_ty(ty).raw.into() } @@ -1324,9 +1326,13 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ) -> ty::GenericArg<'tcx> { let tcx = self.fcx.tcx(); match param.kind { - GenericParamDefKind::Lifetime => { - self.fcx.re_infer(Some(param), self.span, false).into() - } + GenericParamDefKind::Lifetime => self + .fcx + .re_infer( + self.span, + rustc_hir_analysis::hir_ty_lowering::RegionInferReason::Param(param), + ) + .into(), GenericParamDefKind::Type { has_default, .. } => { if !infer_args && has_default { // If we have a default, then it doesn't matter that we're not diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs index 954a0956b70d..b9ff348c42ff 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs @@ -15,7 +15,7 @@ use hir::def_id::CRATE_DEF_ID; use rustc_errors::DiagCtxt; use rustc_hir as hir; use rustc_hir::def_id::{DefId, LocalDefId}; -use rustc_hir_analysis::hir_ty_lowering::HirTyLowerer; +use rustc_hir_analysis::hir_ty_lowering::{HirTyLowerer, RegionInferReason}; use rustc_infer::infer; use rustc_infer::infer::error_reporting::sub_relations::SubRelations; use rustc_infer::infer::error_reporting::TypeErrCtxt; @@ -222,15 +222,10 @@ impl<'tcx> HirTyLowerer<'tcx> for FnCtxt<'_, 'tcx> { self.body_id } - fn re_infer( - &self, - def: Option<&ty::GenericParamDef>, - span: Span, - _object_lifetime_default: bool, - ) -> ty::Region<'tcx> { - let v = match def { - Some(def) => infer::RegionParameterDefinition(span, def.name), - None => infer::MiscVariable(span), + fn re_infer(&self, span: Span, reason: RegionInferReason<'_>) -> ty::Region<'tcx> { + let v = match reason { + RegionInferReason::Param(def) => infer::RegionParameterDefinition(span, def.name), + _ => infer::MiscVariable(span), }; self.next_region_var(v) } diff --git a/compiler/rustc_hir_typeck/src/method/confirm.rs b/compiler/rustc_hir_typeck/src/method/confirm.rs index 0825e6613730..949b92410053 100644 --- a/compiler/rustc_hir_typeck/src/method/confirm.rs +++ b/compiler/rustc_hir_typeck/src/method/confirm.rs @@ -7,7 +7,9 @@ use rustc_hir::GenericArg; use rustc_hir_analysis::hir_ty_lowering::generics::{ check_generic_arg_count_for_call, lower_generic_args, }; -use rustc_hir_analysis::hir_ty_lowering::{GenericArgsLowerer, HirTyLowerer, IsMethodCall}; +use rustc_hir_analysis::hir_ty_lowering::{ + GenericArgsLowerer, HirTyLowerer, IsMethodCall, RegionInferReason, +}; use rustc_infer::infer::{self, DefineOpaqueTypes, InferOk}; use rustc_middle::traits::{ObligationCauseCode, UnifyReceiverContext}; use rustc_middle::ty::adjustment::{Adjust, Adjustment, PointerCoercion}; @@ -388,9 +390,12 @@ impl<'a, 'tcx> ConfirmContext<'a, 'tcx> { arg: &GenericArg<'tcx>, ) -> ty::GenericArg<'tcx> { match (¶m.kind, arg) { - (GenericParamDefKind::Lifetime, GenericArg::Lifetime(lt)) => { - self.cfcx.fcx.lowerer().lower_lifetime(lt, Some(param)).into() - } + (GenericParamDefKind::Lifetime, GenericArg::Lifetime(lt)) => self + .cfcx + .fcx + .lowerer() + .lower_lifetime(lt, RegionInferReason::Param(param)) + .into(), (GenericParamDefKind::Type { .. }, GenericArg::Type(ty)) => { self.cfcx.lower_ty(ty).raw.into() } From a8e091de4afb964480aa52642838ee5049c89cad Mon Sep 17 00:00:00 2001 From: lcnr Date: Wed, 5 Jun 2024 11:46:52 +0200 Subject: [PATCH 1020/1716] bivariant alias: set `has_unconstrained_ty_var` --- .../src/infer/relate/generalize.rs | 12 +++++++++-- .../next-solver/generalize/bivariant-alias.rs | 20 +++++++++++++++++++ 2 files changed, 30 insertions(+), 2 deletions(-) create mode 100644 tests/ui/traits/next-solver/generalize/bivariant-alias.rs diff --git a/compiler/rustc_infer/src/infer/relate/generalize.rs b/compiler/rustc_infer/src/infer/relate/generalize.rs index d4c7d752c953..aaea3b4820b3 100644 --- a/compiler/rustc_infer/src/infer/relate/generalize.rs +++ b/compiler/rustc_infer/src/infer/relate/generalize.rs @@ -329,6 +329,14 @@ impl<'tcx> Generalizer<'_, 'tcx> { } } + /// Create a new type variable in the universe of the target when + /// generalizing an alias. This has to set `has_unconstrained_ty_var` + /// if we're currently in a bivariant context. + fn next_ty_var_for_alias(&mut self) -> Ty<'tcx> { + self.has_unconstrained_ty_var |= self.ambient_variance == ty::Bivariant; + self.infcx.next_ty_var_in_universe(self.span, self.for_universe) + } + /// An occurs check failure inside of an alias does not mean /// that the types definitely don't unify. We may be able /// to normalize the alias after all. @@ -358,7 +366,7 @@ impl<'tcx> Generalizer<'_, 'tcx> { // // cc trait-system-refactor-initiative#110 if self.infcx.next_trait_solver() && !alias.has_escaping_bound_vars() && !self.in_alias { - return Ok(self.infcx.next_ty_var_in_universe(self.span, self.for_universe)); + return Ok(self.next_ty_var_for_alias()); } let is_nested_alias = mem::replace(&mut self.in_alias, true); @@ -378,7 +386,7 @@ impl<'tcx> Generalizer<'_, 'tcx> { } debug!("generalization failure in alias"); - Ok(self.infcx.next_ty_var_in_universe(self.span, self.for_universe)) + Ok(self.next_ty_var_for_alias()) } } }; diff --git a/tests/ui/traits/next-solver/generalize/bivariant-alias.rs b/tests/ui/traits/next-solver/generalize/bivariant-alias.rs new file mode 100644 index 000000000000..b03d547838a0 --- /dev/null +++ b/tests/ui/traits/next-solver/generalize/bivariant-alias.rs @@ -0,0 +1,20 @@ +//@ revisions: old next +//@[next] compile-flags: -Znext-solver +//@ ignore-compare-mode-next-solver (explicit revisions) +//@ check-pass + +// When generalizing an alias in a bivariant context, we have to set +// `has_unconstrained_ty_var` as we may otherwise never check for +// well-formedness of the generalized type, causing us to error due +// to ambiguity. +trait Trait { + type Assoc; +} + +struct BivariantArg>(T); + +fn generalize(input: BivariantArg) { + let _generalized = input; +} + +pub fn main() {} From 05b7b46e65207bdc33bd86c4ffda3516059e4de9 Mon Sep 17 00:00:00 2001 From: Lin Yihai Date: Mon, 13 May 2024 22:42:18 +0800 Subject: [PATCH 1021/1716] fix: break inside async closure has incorrect span for enclosing closure --- compiler/rustc_ast_lowering/src/item.rs | 10 +++++++++- .../async-closures/wrong-fn-kind.stderr | 9 +++++---- .../break-inside-coroutine-issue-124495.rs | 1 + .../break-inside-coroutine-issue-124495.stderr | 14 +++++++------- 4 files changed, 22 insertions(+), 12 deletions(-) diff --git a/compiler/rustc_ast_lowering/src/item.rs b/compiler/rustc_ast_lowering/src/item.rs index a15449409df3..44e07c299a5f 100644 --- a/compiler/rustc_ast_lowering/src/item.rs +++ b/compiler/rustc_ast_lowering/src/item.rs @@ -1311,6 +1311,14 @@ impl<'hir> LoweringContext<'_, 'hir> { CoroutineKind::AsyncGen { .. } => hir::CoroutineDesugaring::AsyncGen, }; let closure_id = coroutine_kind.closure_id(); + + let span = if let FnRetTy::Default(span) = decl.output + && matches!(coroutine_source, rustc_hir::CoroutineSource::Closure) + { + body_span.with_lo(span.lo()) + } else { + body_span + }; let coroutine_expr = self.make_desugared_coroutine_expr( // The default capture mode here is by-ref. Later on during upvar analysis, // we will force the captured arguments to by-move, but for async closures, @@ -1319,7 +1327,7 @@ impl<'hir> LoweringContext<'_, 'hir> { CaptureBy::Ref, closure_id, None, - body_span, + span, desugaring_kind, coroutine_source, mkbody, diff --git a/tests/ui/async-await/async-closures/wrong-fn-kind.stderr b/tests/ui/async-await/async-closures/wrong-fn-kind.stderr index e56389b32027..6f07a6feed35 100644 --- a/tests/ui/async-await/async-closures/wrong-fn-kind.stderr +++ b/tests/ui/async-await/async-closures/wrong-fn-kind.stderr @@ -20,15 +20,16 @@ LL | fn needs_async_fn(_: impl async Fn()) {} | ^^^^^^^^^^ required by this bound in `needs_async_fn` error[E0596]: cannot borrow `x` as mutable, as it is a captured variable in a `Fn` closure - --> $DIR/wrong-fn-kind.rs:9:29 + --> $DIR/wrong-fn-kind.rs:9:20 | LL | fn needs_async_fn(_: impl async Fn()) {} | --------------- change this to accept `FnMut` instead of `Fn` ... LL | needs_async_fn(async || { - | _____--------------_--------_^ - | | | | - | | | in this closure + | -------------- ^------- + | | | + | _____|______________in this closure + | | | | | expects `Fn` instead of `FnMut` LL | | LL | | x += 1; diff --git a/tests/ui/coroutine/break-inside-coroutine-issue-124495.rs b/tests/ui/coroutine/break-inside-coroutine-issue-124495.rs index 5d93db56722b..97c3d06c023e 100644 --- a/tests/ui/coroutine/break-inside-coroutine-issue-124495.rs +++ b/tests/ui/coroutine/break-inside-coroutine-issue-124495.rs @@ -18,6 +18,7 @@ async gen fn async_gen_fn() { fn main() { let _ = async { break; }; //~ ERROR `break` inside `async` block + let _ = async || { break; }; //~ ERROR `break` inside `async` closure let _ = gen { break; }; //~ ERROR `break` inside `gen` block diff --git a/tests/ui/coroutine/break-inside-coroutine-issue-124495.stderr b/tests/ui/coroutine/break-inside-coroutine-issue-124495.stderr index a7f37fad35ea..f030961b7edd 100644 --- a/tests/ui/coroutine/break-inside-coroutine-issue-124495.stderr +++ b/tests/ui/coroutine/break-inside-coroutine-issue-124495.stderr @@ -38,16 +38,16 @@ LL | let _ = async { break; }; | enclosing `async` block error[E0267]: `break` inside `async` closure - --> $DIR/break-inside-coroutine-issue-124495.rs:21:24 + --> $DIR/break-inside-coroutine-issue-124495.rs:22:24 | LL | let _ = async || { break; }; - | --^^^^^--- - | | | - | | cannot `break` inside `async` closure - | enclosing `async` closure + | -----------^^^^^--- + | | | + | | cannot `break` inside `async` closure + | enclosing `async` closure error[E0267]: `break` inside `gen` block - --> $DIR/break-inside-coroutine-issue-124495.rs:23:19 + --> $DIR/break-inside-coroutine-issue-124495.rs:24:19 | LL | let _ = gen { break; }; | ------^^^^^--- @@ -56,7 +56,7 @@ LL | let _ = gen { break; }; | enclosing `gen` block error[E0267]: `break` inside `async gen` block - --> $DIR/break-inside-coroutine-issue-124495.rs:25:25 + --> $DIR/break-inside-coroutine-issue-124495.rs:26:25 | LL | let _ = async gen { break; }; | ------------^^^^^--- From d47ab9f9c9b52167e8abf68d3a1d8722c4c395c2 Mon Sep 17 00:00:00 2001 From: xFrednet Date: Wed, 5 Jun 2024 13:51:29 +0200 Subject: [PATCH 1022/1716] Update version attribute for 1.79 lints --- clippy_lints/src/attrs/mod.rs | 2 +- clippy_lints/src/integer_division_remainder_used.rs | 2 +- clippy_lints/src/legacy_numeric_constants.rs | 2 +- clippy_lints/src/manual_unwrap_or_default.rs | 2 +- clippy_lints/src/methods/mod.rs | 2 +- clippy_lints/src/transmute/mod.rs | 2 +- clippy_lints/src/zero_repeat_side_effects.rs | 2 +- 7 files changed, 7 insertions(+), 7 deletions(-) diff --git a/clippy_lints/src/attrs/mod.rs b/clippy_lints/src/attrs/mod.rs index 83c828e8e223..e4c98a32fd67 100644 --- a/clippy_lints/src/attrs/mod.rs +++ b/clippy_lints/src/attrs/mod.rs @@ -463,7 +463,7 @@ declare_clippy_lint! { /// #[allow(dead_code)] /// fn foo() {} /// ``` - #[clippy::version = "1.78.0"] + #[clippy::version = "1.79.0"] pub DUPLICATED_ATTRIBUTES, suspicious, "duplicated attribute" diff --git a/clippy_lints/src/integer_division_remainder_used.rs b/clippy_lints/src/integer_division_remainder_used.rs index cf598d5045ec..a1215491b48c 100644 --- a/clippy_lints/src/integer_division_remainder_used.rs +++ b/clippy_lints/src/integer_division_remainder_used.rs @@ -22,7 +22,7 @@ declare_clippy_lint! { /// ```no_run /// let my_div = 10 >> 1; /// ``` - #[clippy::version = "1.78.0"] + #[clippy::version = "1.79.0"] pub INTEGER_DIVISION_REMAINDER_USED, restriction, "use of disallowed default division and remainder operations" diff --git a/clippy_lints/src/legacy_numeric_constants.rs b/clippy_lints/src/legacy_numeric_constants.rs index 00124dcdd91d..eadfeb6e3418 100644 --- a/clippy_lints/src/legacy_numeric_constants.rs +++ b/clippy_lints/src/legacy_numeric_constants.rs @@ -28,7 +28,7 @@ declare_clippy_lint! { /// ```rust /// let eps = f32::EPSILON; /// ``` - #[clippy::version = "1.72.0"] + #[clippy::version = "1.79.0"] pub LEGACY_NUMERIC_CONSTANTS, style, "checks for usage of legacy std numeric constants and methods" diff --git a/clippy_lints/src/manual_unwrap_or_default.rs b/clippy_lints/src/manual_unwrap_or_default.rs index 84fb183e3f79..70ec6478a255 100644 --- a/clippy_lints/src/manual_unwrap_or_default.rs +++ b/clippy_lints/src/manual_unwrap_or_default.rs @@ -43,7 +43,7 @@ declare_clippy_lint! { /// let x: Option> = Some(Vec::new()); /// let y: Vec = x.unwrap_or_default(); /// ``` - #[clippy::version = "1.78.0"] + #[clippy::version = "1.79.0"] pub MANUAL_UNWRAP_OR_DEFAULT, suspicious, "check if a `match` or `if let` can be simplified with `unwrap_or_default`" diff --git a/clippy_lints/src/methods/mod.rs b/clippy_lints/src/methods/mod.rs index 1572f6fb601c..8ef682625710 100644 --- a/clippy_lints/src/methods/mod.rs +++ b/clippy_lints/src/methods/mod.rs @@ -4085,7 +4085,7 @@ declare_clippy_lint! { /// ```no_run /// println!("the string is empty"); /// ``` - #[clippy::version = "1.78.0"] + #[clippy::version = "1.79.0"] pub CONST_IS_EMPTY, suspicious, "is_empty() called on strings known at compile time" diff --git a/clippy_lints/src/transmute/mod.rs b/clippy_lints/src/transmute/mod.rs index 598032ccdebe..aa329ec33668 100644 --- a/clippy_lints/src/transmute/mod.rs +++ b/clippy_lints/src/transmute/mod.rs @@ -546,7 +546,7 @@ declare_clippy_lint! { /// let x = std::mem::transmute::<[u16; 2], i32>([1u16, 2u16]); /// # } /// ``` - #[clippy::version = "1.77.0"] + #[clippy::version = "1.79.0"] pub MISSING_TRANSMUTE_ANNOTATIONS, suspicious, "warns if a transmute call doesn't have all generics specified" diff --git a/clippy_lints/src/zero_repeat_side_effects.rs b/clippy_lints/src/zero_repeat_side_effects.rs index 143fecdd237d..1450975835ac 100644 --- a/clippy_lints/src/zero_repeat_side_effects.rs +++ b/clippy_lints/src/zero_repeat_side_effects.rs @@ -36,7 +36,7 @@ declare_clippy_lint! { /// side_effect(); /// let a: [i32; 0] = []; /// ``` - #[clippy::version = "1.75.0"] + #[clippy::version = "1.79.0"] pub ZERO_REPEAT_SIDE_EFFECTS, suspicious, "usage of zero-sized initializations of arrays or vecs causing side effects" From 466acfa6505f54386320036c204d7179b853516a Mon Sep 17 00:00:00 2001 From: xFrednet Date: Tue, 4 Jun 2024 15:51:44 +0200 Subject: [PATCH 1023/1716] Changelog for Clippy 1.79 :mortar_board: --- CHANGELOG.md | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 64 insertions(+), 2 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index d0f511742fa1..d09e0e55ddb6 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -6,11 +6,73 @@ document. ## Unreleased / Beta / In Rust Nightly -[93f0a9a9...master](https://github.com/rust-lang/rust-clippy/compare/93f0a9a9...master) +[ca3b3937...master](https://github.com/rust-lang/rust-clippy/compare/ca3b3937...master) + +## Rust 1.79 + +Current stable, released 2024-06-13 + +[View all 102 merged pull requests](https://github.com/rust-lang/rust-clippy/pulls?q=merged%3A2024-03-08T11%3A13%3A58Z..2024-04-18T15%3A50%3A50Z+base%3Amaster) + +### New Lints + +* Added [`legacy_numeric_constants`] to + [#12312](https://github.com/rust-lang/rust-clippy/pull/12312) +* Added [`missing_transmute_annotations`] to + [#12239](https://github.com/rust-lang/rust-clippy/pull/12239) +* Added [`integer_division_remainder_used`] to `restriction` + [#12451](https://github.com/rust-lang/rust-clippy/pull/12451) +* Added [`duplicated_attributes`] to `suspicious` + [#12378](https://github.com/rust-lang/rust-clippy/pull/12378) +* Added [`manual_unwrap_or_default`] to `suspicious` + [#12440](https://github.com/rust-lang/rust-clippy/pull/12440) +* Added [`zero_repeat_side_effects`] to `suspicious` + [#12449](https://github.com/rust-lang/rust-clippy/pull/12449) +* Added [`const_is_empty`] to `suspicious` + [#12310](https://github.com/rust-lang/rust-clippy/pull/12310) + +### Moves and Deprecations + +* Moved [`box_default`] to `style` (From `perf`) + [#12601](https://github.com/rust-lang/rust-clippy/pull/12601) +* Moved [`manual_clamp`] to `complexity` (From `nursery` now warn-by-default) + [#12543](https://github.com/rust-lang/rust-clippy/pull/12543) +* Moved [`mixed_attributes_style`] to `style` (From `suspicious`) + [#12572](https://github.com/rust-lang/rust-clippy/pull/12572) +* Moved [`readonly_write_lock`] to `perf` (From `nursery` now warn-by-default) + [#12479](https://github.com/rust-lang/rust-clippy/pull/12479) + +### Enhancements + +* [`module_name_repetition`]: Added the [`allowed-prefixes`] configuration to allow common prefixes. + [#12573](https://github.com/rust-lang/rust-clippy/pull/12573) +* [`cast_sign_loss`], [`cast_possible_truncation`], [`cast_lossless`]: Are now allowed in macros + [#12631](https://github.com/rust-lang/rust-clippy/pull/12631) +* [`manual_clamp`]: Now only lints on constant min and max values + [#12543](https://github.com/rust-lang/rust-clippy/pull/12543) +* [`assigning_clones`]: Now considers the [`msrv`] configuration + [#12511](https://github.com/rust-lang/rust-clippy/pull/12511) +* [`needless_return`], [`useless_let_if_seq`], [`mut_mut`]: [`read_zero_byte_vec`], [`unused_io_amount`], + [`unused_peekable`]: Now respects `#[allow]` attributes on the affected statement instead + [#12446](https://github.com/rust-lang/rust-clippy/pull/12446) + +### False Positive Fixes + +* [`cast_lossless`]: No longer lints when casting to `u128` + [#12496](https://github.com/rust-lang/rust-clippy/pull/12496) +* [`std_instead_of_core`] No longer lints on modules that are only in `std` + [#12447](https://github.com/rust-lang/rust-clippy/pull/12447) + +### ICE Fixes + +* [`ptr_as_ptr`]: No longer crashes when the result of a function is casted + [#12617](https://github.com/rust-lang/rust-clippy/pull/12617) +* [`needless_return`]: No longer crashes on non-ascii characters + [#12493](https://github.com/rust-lang/rust-clippy/pull/12493) ## Rust 1.78 -Current stable, released 2024-05-02 +Released 2024-05-02 [View all 112 merged pull requests](https://github.com/rust-lang/rust-clippy/pulls?q=merged%3A2024-01-26T05%3A46%3A23Z..2024-03-07T16%3A25%3A52Z+base%3Amaster) From 0380321e7806bdab232d7e95be2de47fad8f3c09 Mon Sep 17 00:00:00 2001 From: Santiago Pastorino Date: Fri, 31 May 2024 16:57:07 -0300 Subject: [PATCH 1024/1716] Add unsafe_extern_blocks feature flag --- .../rustc_ast_passes/src/ast_validation.rs | 36 ++++++++++--------- compiler/rustc_feature/src/unstable.rs | 2 ++ compiler/rustc_lint_defs/src/builtin.rs | 7 ++-- compiler/rustc_span/src/symbol.rs | 1 + .../feature-gate-unsafe-extern-blocks.rs | 5 +++ .../feature-gate-unsafe-extern-blocks.stderr | 8 +++++ tests/ui/parser/unsafe-foreign-mod-2.rs | 2 ++ tests/ui/parser/unsafe-foreign-mod-2.stderr | 17 ++++++++- tests/ui/parser/unsafe-foreign-mod.rs | 6 ++-- tests/ui/parser/unsafe-foreign-mod.stderr | 8 +++++ .../extern-items-unsafe.edition2021.stderr | 4 +-- .../extern-items-unsafe.edition2024.stderr | 4 +-- .../extern-items-unsafe.rs | 2 ++ .../extern-items.edition2024.stderr | 8 ++--- .../unsafe-extern-blocks/extern-items.rs | 6 ++-- .../unsafe-extern-blocks/safe-items.rs | 2 ++ .../unsafe-items.edition2021.stderr | 4 +-- .../unsafe-items.edition2024.stderr | 4 +-- .../unsafe-extern-blocks/unsafe-items.rs | 2 ++ tests/ui/unpretty/expanded-exhaustive.rs | 1 + tests/ui/unpretty/expanded-exhaustive.stdout | 1 + 21 files changed, 93 insertions(+), 37 deletions(-) create mode 100644 tests/ui/feature-gates/feature-gate-unsafe-extern-blocks.rs create mode 100644 tests/ui/feature-gates/feature-gate-unsafe-extern-blocks.stderr create mode 100644 tests/ui/parser/unsafe-foreign-mod.stderr diff --git a/compiler/rustc_ast_passes/src/ast_validation.rs b/compiler/rustc_ast_passes/src/ast_validation.rs index a9f06230fafc..dc554ba04dfe 100644 --- a/compiler/rustc_ast_passes/src/ast_validation.rs +++ b/compiler/rustc_ast_passes/src/ast_validation.rs @@ -440,16 +440,14 @@ impl<'a> AstValidator<'a> { } fn check_foreign_item_safety(&self, item_span: Span, safety: Safety) { - match safety { - Safety::Unsafe(_) | Safety::Safe(_) - if self.extern_mod_safety == Some(Safety::Default) => - { - self.dcx().emit_err(errors::InvalidSafetyOnExtern { - item_span, - block: self.current_extern_span(), - }); - } - _ => {} + if matches!(safety, Safety::Unsafe(_) | Safety::Safe(_)) + && (self.extern_mod_safety == Some(Safety::Default) + || !self.features.unsafe_extern_blocks) + { + self.dcx().emit_err(errors::InvalidSafetyOnExtern { + item_span, + block: self.current_extern_span(), + }); } } @@ -1044,13 +1042,17 @@ impl<'a> Visitor<'a> for AstValidator<'a> { errors::VisibilityNotPermittedNote::IndividualForeignItems, ); - if &Safety::Default == safety { - this.lint_buffer.buffer_lint( - MISSING_UNSAFE_ON_EXTERN, - item.id, - item.span, - BuiltinLintDiag::MissingUnsafeOnExtern, - ); + if this.features.unsafe_extern_blocks { + if &Safety::Default == safety { + this.lint_buffer.buffer_lint( + MISSING_UNSAFE_ON_EXTERN, + item.id, + item.span, + BuiltinLintDiag::MissingUnsafeOnExtern, + ); + } + } else if let &Safety::Unsafe(span) = safety { + this.dcx().emit_err(errors::UnsafeItem { span, kind: "extern block" }); } if abi.is_none() { diff --git a/compiler/rustc_feature/src/unstable.rs b/compiler/rustc_feature/src/unstable.rs index 8de2cdefa81c..486de706e526 100644 --- a/compiler/rustc_feature/src/unstable.rs +++ b/compiler/rustc_feature/src/unstable.rs @@ -624,6 +624,8 @@ declare_features! ( (unstable, type_changing_struct_update, "1.58.0", Some(86555)), /// Allows unnamed fields of struct and union type (incomplete, unnamed_fields, "1.74.0", Some(49804)), + /// Allows unsafe on extern declarations and safety qualifiers over internal items. + (unstable, unsafe_extern_blocks, "CURRENT_RUSTC_VERSION", Some(123743)), /// Allows unsized fn parameters. (unstable, unsized_fn_params, "1.49.0", Some(48055)), /// Allows unsized rvalues at arguments and parameters. diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs index b4a34b1407da..ec124c3224cb 100644 --- a/compiler/rustc_lint_defs/src/builtin.rs +++ b/compiler/rustc_lint_defs/src/builtin.rs @@ -4858,7 +4858,10 @@ declare_lint! { /// /// ### Example /// - /// ```rust,edition2024 + /// ```rust,edition2024,ignore + /// #![feature(unsafe_extern_blocks)] + /// #![allow(dead_code)] + /// /// extern "C" { /// fn foo(_: i32); /// } @@ -4880,5 +4883,5 @@ declare_lint! { pub MISSING_UNSAFE_ON_EXTERN, Allow, "detects missing unsafe keyword on extern declarations", - @edition Edition2024 => Warn; + @edition Edition2024 => Deny; } diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index ede9b852ba84..f1933806c012 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -1965,6 +1965,7 @@ symbols! { unsafe_block_in_unsafe_fn, unsafe_cell, unsafe_cell_raw_get, + unsafe_extern_blocks, unsafe_no_drop_flag, unsafe_pin_internals, unsize, diff --git a/tests/ui/feature-gates/feature-gate-unsafe-extern-blocks.rs b/tests/ui/feature-gates/feature-gate-unsafe-extern-blocks.rs new file mode 100644 index 000000000000..eab134a4a4de --- /dev/null +++ b/tests/ui/feature-gates/feature-gate-unsafe-extern-blocks.rs @@ -0,0 +1,5 @@ +unsafe extern "C" { + //~^ ERROR extern block cannot be declared unsafe +} + +fn main() {} diff --git a/tests/ui/feature-gates/feature-gate-unsafe-extern-blocks.stderr b/tests/ui/feature-gates/feature-gate-unsafe-extern-blocks.stderr new file mode 100644 index 000000000000..7e9b199a2db5 --- /dev/null +++ b/tests/ui/feature-gates/feature-gate-unsafe-extern-blocks.stderr @@ -0,0 +1,8 @@ +error: extern block cannot be declared unsafe + --> $DIR/feature-gate-unsafe-extern-blocks.rs:1:1 + | +LL | unsafe extern "C" { + | ^^^^^^ + +error: aborting due to 1 previous error + diff --git a/tests/ui/parser/unsafe-foreign-mod-2.rs b/tests/ui/parser/unsafe-foreign-mod-2.rs index 6d339cd90881..0b63a993c5b9 100644 --- a/tests/ui/parser/unsafe-foreign-mod-2.rs +++ b/tests/ui/parser/unsafe-foreign-mod-2.rs @@ -1,6 +1,8 @@ extern "C" unsafe { //~^ ERROR expected `{`, found keyword `unsafe` + //~| ERROR extern block cannot be declared unsafe unsafe fn foo(); + //~^ ERROR items in unadorned `extern` blocks cannot have safety qualifiers } fn main() {} diff --git a/tests/ui/parser/unsafe-foreign-mod-2.stderr b/tests/ui/parser/unsafe-foreign-mod-2.stderr index 0625e3362ed7..e59352395ed6 100644 --- a/tests/ui/parser/unsafe-foreign-mod-2.stderr +++ b/tests/ui/parser/unsafe-foreign-mod-2.stderr @@ -4,5 +4,20 @@ error: expected `{`, found keyword `unsafe` LL | extern "C" unsafe { | ^^^^^^ expected `{` -error: aborting due to 1 previous error +error: extern block cannot be declared unsafe + --> $DIR/unsafe-foreign-mod-2.rs:1:12 + | +LL | extern "C" unsafe { + | ^^^^^^ + +error: items in unadorned `extern` blocks cannot have safety qualifiers + --> $DIR/unsafe-foreign-mod-2.rs:4:5 + | +LL | extern "C" unsafe { + | ----------------- help: add unsafe to this `extern` block +... +LL | unsafe fn foo(); + | ^^^^^^^^^^^^^^^^ + +error: aborting due to 3 previous errors diff --git a/tests/ui/parser/unsafe-foreign-mod.rs b/tests/ui/parser/unsafe-foreign-mod.rs index 26015a3c4445..eab134a4a4de 100644 --- a/tests/ui/parser/unsafe-foreign-mod.rs +++ b/tests/ui/parser/unsafe-foreign-mod.rs @@ -1,5 +1,5 @@ -//@ build-pass - -unsafe extern "C" {} +unsafe extern "C" { + //~^ ERROR extern block cannot be declared unsafe +} fn main() {} diff --git a/tests/ui/parser/unsafe-foreign-mod.stderr b/tests/ui/parser/unsafe-foreign-mod.stderr new file mode 100644 index 000000000000..77f6e93be10b --- /dev/null +++ b/tests/ui/parser/unsafe-foreign-mod.stderr @@ -0,0 +1,8 @@ +error: extern block cannot be declared unsafe + --> $DIR/unsafe-foreign-mod.rs:1:1 + | +LL | unsafe extern "C" { + | ^^^^^^ + +error: aborting due to 1 previous error + diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.edition2021.stderr b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.edition2021.stderr index 77554da10e60..3a99caa719b5 100644 --- a/tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.edition2021.stderr +++ b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.edition2021.stderr @@ -1,5 +1,5 @@ error[E0133]: call to unsafe function `test1` is unsafe and requires unsafe function or block - --> $DIR/extern-items-unsafe.rs:12:5 + --> $DIR/extern-items-unsafe.rs:14:5 | LL | test1(TEST1); | ^^^^^^^^^^^^ call to unsafe function @@ -7,7 +7,7 @@ LL | test1(TEST1); = note: consult the function's documentation for information on how to avoid undefined behavior error[E0133]: use of extern static is unsafe and requires unsafe function or block - --> $DIR/extern-items-unsafe.rs:12:11 + --> $DIR/extern-items-unsafe.rs:14:11 | LL | test1(TEST1); | ^^^^^ use of extern static diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.edition2024.stderr b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.edition2024.stderr index 33b752782d59..fcf937b7ac57 100644 --- a/tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.edition2024.stderr +++ b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.edition2024.stderr @@ -1,5 +1,5 @@ error[E0133]: call to unsafe function `test1` is unsafe and requires unsafe block - --> $DIR/extern-items-unsafe.rs:12:5 + --> $DIR/extern-items-unsafe.rs:14:5 | LL | test1(TEST1); | ^^^^^^^^^^^^ call to unsafe function @@ -7,7 +7,7 @@ LL | test1(TEST1); = note: consult the function's documentation for information on how to avoid undefined behavior error[E0133]: use of extern static is unsafe and requires unsafe block - --> $DIR/extern-items-unsafe.rs:12:11 + --> $DIR/extern-items-unsafe.rs:14:11 | LL | test1(TEST1); | ^^^^^ use of extern static diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.rs b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.rs index 721e07acca58..ad569a256db9 100644 --- a/tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.rs +++ b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items-unsafe.rs @@ -3,6 +3,8 @@ //@[edition2024] edition:2024 //@[edition2024] compile-flags: -Zunstable-options +#![feature(unsafe_extern_blocks)] + unsafe extern "C" { static TEST1: i32; fn test1(i: i32); diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.edition2024.stderr b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.edition2024.stderr index b19369c0a551..8e1ec8146351 100644 --- a/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.edition2024.stderr +++ b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.edition2024.stderr @@ -1,5 +1,5 @@ -warning: extern blocks should be unsafe - --> $DIR/extern-items.rs:7:1 +error: extern blocks should be unsafe + --> $DIR/extern-items.rs:9:1 | LL | / extern "C" { LL | | @@ -8,7 +8,7 @@ LL | | fn test1(i: i32); LL | | } | |_^ | - = note: `#[warn(missing_unsafe_on_extern)]` on by default + = note: `#[deny(missing_unsafe_on_extern)]` on by default -warning: 1 warning emitted +error: aborting due to 1 previous error diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.rs b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.rs index dfb851e276d4..905d1434155e 100644 --- a/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.rs +++ b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.rs @@ -1,11 +1,13 @@ //@ revisions: edition2021 edition2024 //@[edition2021] edition:2021 +//@[edition2021] check-pass //@[edition2024] edition:2024 //@[edition2024] compile-flags: -Zunstable-options -//@ check-pass + +#![feature(unsafe_extern_blocks)] extern "C" { - //[edition2024]~^ WARN extern blocks should be unsafe [missing_unsafe_on_extern] + //[edition2024]~^ ERROR extern blocks should be unsafe static TEST1: i32; fn test1(i: i32); } diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/safe-items.rs b/tests/ui/rust-2024/unsafe-extern-blocks/safe-items.rs index b0b8a8b012a6..74cd5621fce9 100644 --- a/tests/ui/rust-2024/unsafe-extern-blocks/safe-items.rs +++ b/tests/ui/rust-2024/unsafe-extern-blocks/safe-items.rs @@ -4,6 +4,8 @@ //@[edition2024] compile-flags: -Zunstable-options //@ check-pass +#![feature(unsafe_extern_blocks)] + unsafe extern "C" { safe static TEST1: i32; safe fn test1(i: i32); diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.edition2021.stderr b/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.edition2021.stderr index e3626bb497e4..8bb7ffefeea9 100644 --- a/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.edition2021.stderr +++ b/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.edition2021.stderr @@ -1,5 +1,5 @@ error[E0133]: call to unsafe function `test1` is unsafe and requires unsafe function or block - --> $DIR/unsafe-items.rs:18:5 + --> $DIR/unsafe-items.rs:20:5 | LL | test1(TEST1); | ^^^^^^^^^^^^ call to unsafe function @@ -7,7 +7,7 @@ LL | test1(TEST1); = note: consult the function's documentation for information on how to avoid undefined behavior error[E0133]: use of extern static is unsafe and requires unsafe function or block - --> $DIR/unsafe-items.rs:18:11 + --> $DIR/unsafe-items.rs:20:11 | LL | test1(TEST1); | ^^^^^ use of extern static diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.edition2024.stderr b/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.edition2024.stderr index 89bc501b7b5a..9a30142a632c 100644 --- a/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.edition2024.stderr +++ b/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.edition2024.stderr @@ -1,5 +1,5 @@ error[E0133]: call to unsafe function `test1` is unsafe and requires unsafe block - --> $DIR/unsafe-items.rs:18:5 + --> $DIR/unsafe-items.rs:20:5 | LL | test1(TEST1); | ^^^^^^^^^^^^ call to unsafe function @@ -7,7 +7,7 @@ LL | test1(TEST1); = note: consult the function's documentation for information on how to avoid undefined behavior error[E0133]: use of extern static is unsafe and requires unsafe block - --> $DIR/unsafe-items.rs:18:11 + --> $DIR/unsafe-items.rs:20:11 | LL | test1(TEST1); | ^^^^^ use of extern static diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.rs b/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.rs index dc2bae892a98..9066953abc61 100644 --- a/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.rs +++ b/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-items.rs @@ -3,6 +3,8 @@ //@[edition2024] edition:2024 //@[edition2024] compile-flags: -Zunstable-options +#![feature(unsafe_extern_blocks)] + unsafe extern "C" { unsafe static TEST1: i32; unsafe fn test1(i: i32); diff --git a/tests/ui/unpretty/expanded-exhaustive.rs b/tests/ui/unpretty/expanded-exhaustive.rs index 29472df897a1..92c2e7b48847 100644 --- a/tests/ui/unpretty/expanded-exhaustive.rs +++ b/tests/ui/unpretty/expanded-exhaustive.rs @@ -25,6 +25,7 @@ #![feature(trait_alias)] #![feature(try_blocks)] #![feature(unnamed_fields)] +#![feature(unsafe_extern_blocks)] #![feature(yeet_expr)] #![allow(incomplete_features)] diff --git a/tests/ui/unpretty/expanded-exhaustive.stdout b/tests/ui/unpretty/expanded-exhaustive.stdout index 0a09a3f6a423..9e45f57af354 100644 --- a/tests/ui/unpretty/expanded-exhaustive.stdout +++ b/tests/ui/unpretty/expanded-exhaustive.stdout @@ -26,6 +26,7 @@ #![feature(trait_alias)] #![feature(try_blocks)] #![feature(unnamed_fields)] +#![feature(unsafe_extern_blocks)] #![feature(yeet_expr)] #![allow(incomplete_features)] #[prelude_import] From 1afc7d716cfb7858863754217566b785bac179a4 Mon Sep 17 00:00:00 2001 From: Santiago Pastorino Date: Mon, 3 Jun 2024 22:27:57 -0300 Subject: [PATCH 1025/1716] Make MISSING_UNSAFE_ON_EXTERN lint emit future compat info with suggestion to prepend unsafe --- compiler/rustc_ast_passes/messages.ftl | 2 ++ .../rustc_ast_passes/src/ast_validation.rs | 19 +++++++++++++------ compiler/rustc_ast_passes/src/errors.rs | 7 +++++++ compiler/rustc_lint/messages.ftl | 1 + .../rustc_lint/src/context/diagnostics.rs | 4 ++-- compiler/rustc_lint/src/lints.rs | 5 ++++- compiler/rustc_lint_defs/src/builtin.rs | 8 ++++++-- compiler/rustc_lint_defs/src/lib.rs | 4 +++- .../extern-items.edition2024.stderr | 4 +--- .../unsafe-extern-blocks/extern-items.rs | 2 +- 10 files changed, 40 insertions(+), 16 deletions(-) diff --git a/compiler/rustc_ast_passes/messages.ftl b/compiler/rustc_ast_passes/messages.ftl index b90b502c22b8..9a8689e27c06 100644 --- a/compiler/rustc_ast_passes/messages.ftl +++ b/compiler/rustc_ast_passes/messages.ftl @@ -177,6 +177,8 @@ ast_passes_match_arm_with_no_body = `match` arm with no body .suggestion = add a body after the pattern +ast_passes_missing_unsafe_on_extern = extern blocks must be unsafe + ast_passes_module_nonascii = trying to load file for module `{$name}` with non-ascii identifier name .help = consider using the `#[path]` attribute to specify filesystem path diff --git a/compiler/rustc_ast_passes/src/ast_validation.rs b/compiler/rustc_ast_passes/src/ast_validation.rs index dc554ba04dfe..0fbb288cc968 100644 --- a/compiler/rustc_ast_passes/src/ast_validation.rs +++ b/compiler/rustc_ast_passes/src/ast_validation.rs @@ -1044,12 +1044,19 @@ impl<'a> Visitor<'a> for AstValidator<'a> { if this.features.unsafe_extern_blocks { if &Safety::Default == safety { - this.lint_buffer.buffer_lint( - MISSING_UNSAFE_ON_EXTERN, - item.id, - item.span, - BuiltinLintDiag::MissingUnsafeOnExtern, - ); + if item.span.at_least_rust_2024() { + this.dcx() + .emit_err(errors::MissingUnsafeOnExtern { span: item.span }); + } else { + this.lint_buffer.buffer_lint( + MISSING_UNSAFE_ON_EXTERN, + item.id, + item.span, + BuiltinLintDiag::MissingUnsafeOnExtern { + suggestion: item.span.shrink_to_lo(), + }, + ); + } } } else if let &Safety::Unsafe(span) = safety { this.dcx().emit_err(errors::UnsafeItem { span, kind: "extern block" }); diff --git a/compiler/rustc_ast_passes/src/errors.rs b/compiler/rustc_ast_passes/src/errors.rs index 05e99a3d6361..260c182bd9e4 100644 --- a/compiler/rustc_ast_passes/src/errors.rs +++ b/compiler/rustc_ast_passes/src/errors.rs @@ -494,6 +494,13 @@ pub struct UnsafeItem { pub kind: &'static str, } +#[derive(Diagnostic)] +#[diag(ast_passes_missing_unsafe_on_extern)] +pub struct MissingUnsafeOnExtern { + #[primary_span] + pub span: Span, +} + #[derive(Diagnostic)] #[diag(ast_passes_fieldless_union)] pub struct FieldlessUnion { diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index bb6ad7c945b2..522f2f84cca6 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -463,6 +463,7 @@ lint_metavariable_wrong_operator = meta-variable repeats with different Kleene o lint_missing_fragment_specifier = missing fragment specifier lint_missing_unsafe_on_extern = extern blocks should be unsafe + .suggestion = needs `unsafe` before the extern keyword lint_mixed_script_confusables = the usage of Script Group `{$set}` in this crate consists solely of mixed script confusables diff --git a/compiler/rustc_lint/src/context/diagnostics.rs b/compiler/rustc_lint/src/context/diagnostics.rs index f824e02dcf9d..c38804e7714b 100644 --- a/compiler/rustc_lint/src/context/diagnostics.rs +++ b/compiler/rustc_lint/src/context/diagnostics.rs @@ -205,8 +205,8 @@ pub(super) fn decorate_lint(sess: &Session, diagnostic: BuiltinLintDiag, diag: & }; lints::DeprecatedWhereClauseLocation { suggestion }.decorate_lint(diag); } - BuiltinLintDiag::MissingUnsafeOnExtern => { - lints::MissingUnsafeOnExtern.decorate_lint(diag); + BuiltinLintDiag::MissingUnsafeOnExtern { suggestion } => { + lints::MissingUnsafeOnExtern { suggestion }.decorate_lint(diag); } BuiltinLintDiag::SingleUseLifetime { param_span, diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index 01b455c588ba..985b66a54e15 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -2740,7 +2740,10 @@ pub enum DeprecatedWhereClauseLocationSugg { #[derive(LintDiagnostic)] #[diag(lint_missing_unsafe_on_extern)] -pub struct MissingUnsafeOnExtern; +pub struct MissingUnsafeOnExtern { + #[suggestion(code = "unsafe ", applicability = "machine-applicable")] + pub suggestion: Span, +} #[derive(LintDiagnostic)] #[diag(lint_single_use_lifetime)] diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs index ec124c3224cb..7082a068c481 100644 --- a/compiler/rustc_lint_defs/src/builtin.rs +++ b/compiler/rustc_lint_defs/src/builtin.rs @@ -4858,8 +4858,9 @@ declare_lint! { /// /// ### Example /// - /// ```rust,edition2024,ignore + /// ```rust /// #![feature(unsafe_extern_blocks)] + /// #![warn(missing_unsafe_on_extern)] /// #![allow(dead_code)] /// /// extern "C" { @@ -4883,5 +4884,8 @@ declare_lint! { pub MISSING_UNSAFE_ON_EXTERN, Allow, "detects missing unsafe keyword on extern declarations", - @edition Edition2024 => Deny; + @future_incompatible = FutureIncompatibleInfo { + reason: FutureIncompatibilityReason::EditionError(Edition::Edition2024), + reference: "issue #123743 ", + }; } diff --git a/compiler/rustc_lint_defs/src/lib.rs b/compiler/rustc_lint_defs/src/lib.rs index 0f13046923eb..67e1bfee620a 100644 --- a/compiler/rustc_lint_defs/src/lib.rs +++ b/compiler/rustc_lint_defs/src/lib.rs @@ -630,7 +630,9 @@ pub enum BuiltinLintDiag { UnexpectedCfgName((Symbol, Span), Option<(Symbol, Span)>), UnexpectedCfgValue((Symbol, Span), Option<(Symbol, Span)>), DeprecatedWhereclauseLocation(Span, Option<(Span, String)>), - MissingUnsafeOnExtern, + MissingUnsafeOnExtern { + suggestion: Span, + }, SingleUseLifetime { /// Span of the parameter which declares this lifetime. param_span: Span, diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.edition2024.stderr b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.edition2024.stderr index 8e1ec8146351..d456cfc6829e 100644 --- a/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.edition2024.stderr +++ b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.edition2024.stderr @@ -1,4 +1,4 @@ -error: extern blocks should be unsafe +error: extern blocks must be unsafe --> $DIR/extern-items.rs:9:1 | LL | / extern "C" { @@ -7,8 +7,6 @@ LL | | static TEST1: i32; LL | | fn test1(i: i32); LL | | } | |_^ - | - = note: `#[deny(missing_unsafe_on_extern)]` on by default error: aborting due to 1 previous error diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.rs b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.rs index 905d1434155e..16fa1bbb8a40 100644 --- a/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.rs +++ b/tests/ui/rust-2024/unsafe-extern-blocks/extern-items.rs @@ -7,7 +7,7 @@ #![feature(unsafe_extern_blocks)] extern "C" { - //[edition2024]~^ ERROR extern blocks should be unsafe + //[edition2024]~^ ERROR extern blocks must be unsafe static TEST1: i32; fn test1(i: i32); } From be0726c7c152700a47d91a27a4817c0af770e8e9 Mon Sep 17 00:00:00 2001 From: Santiago Pastorino Date: Tue, 4 Jun 2024 14:44:57 -0300 Subject: [PATCH 1026/1716] Add revisions to safe/unsafe on unadorned extern blocks test --- ...unadorned-extern-block.edition2021.stderr} | 5 +-- ...-unadorned-extern-block.edition2024.stderr | 32 +++++++++++++++++++ .../safe-unsafe-on-unadorned-extern-block.rs | 8 +++++ 3 files changed, 43 insertions(+), 2 deletions(-) rename tests/ui/rust-2024/unsafe-extern-blocks/{safe-unsafe-on-unadorned-extern-block.stderr => safe-unsafe-on-unadorned-extern-block.edition2021.stderr} (80%) create mode 100644 tests/ui/rust-2024/unsafe-extern-blocks/safe-unsafe-on-unadorned-extern-block.edition2024.stderr diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/safe-unsafe-on-unadorned-extern-block.stderr b/tests/ui/rust-2024/unsafe-extern-blocks/safe-unsafe-on-unadorned-extern-block.edition2021.stderr similarity index 80% rename from tests/ui/rust-2024/unsafe-extern-blocks/safe-unsafe-on-unadorned-extern-block.stderr rename to tests/ui/rust-2024/unsafe-extern-blocks/safe-unsafe-on-unadorned-extern-block.edition2021.stderr index 66624f1fcb16..411cf48b4866 100644 --- a/tests/ui/rust-2024/unsafe-extern-blocks/safe-unsafe-on-unadorned-extern-block.stderr +++ b/tests/ui/rust-2024/unsafe-extern-blocks/safe-unsafe-on-unadorned-extern-block.edition2021.stderr @@ -1,13 +1,14 @@ error: items in unadorned `extern` blocks cannot have safety qualifiers - --> $DIR/safe-unsafe-on-unadorned-extern-block.rs:2:5 + --> $DIR/safe-unsafe-on-unadorned-extern-block.rs:10:5 | LL | extern "C" { | ---------- help: add unsafe to this `extern` block +LL | LL | safe static TEST1: i32; | ^^^^^^^^^^^^^^^^^^^^^^^ error: items in unadorned `extern` blocks cannot have safety qualifiers - --> $DIR/safe-unsafe-on-unadorned-extern-block.rs:4:5 + --> $DIR/safe-unsafe-on-unadorned-extern-block.rs:12:5 | LL | extern "C" { | ---------- help: add unsafe to this `extern` block diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/safe-unsafe-on-unadorned-extern-block.edition2024.stderr b/tests/ui/rust-2024/unsafe-extern-blocks/safe-unsafe-on-unadorned-extern-block.edition2024.stderr new file mode 100644 index 000000000000..b634adc29996 --- /dev/null +++ b/tests/ui/rust-2024/unsafe-extern-blocks/safe-unsafe-on-unadorned-extern-block.edition2024.stderr @@ -0,0 +1,32 @@ +error: extern blocks must be unsafe + --> $DIR/safe-unsafe-on-unadorned-extern-block.rs:8:1 + | +LL | / extern "C" { +LL | | +LL | | safe static TEST1: i32; +LL | | +LL | | safe fn test1(i: i32); +LL | | +LL | | } + | |_^ + +error: items in unadorned `extern` blocks cannot have safety qualifiers + --> $DIR/safe-unsafe-on-unadorned-extern-block.rs:10:5 + | +LL | extern "C" { + | ---------- help: add unsafe to this `extern` block +LL | +LL | safe static TEST1: i32; + | ^^^^^^^^^^^^^^^^^^^^^^^ + +error: items in unadorned `extern` blocks cannot have safety qualifiers + --> $DIR/safe-unsafe-on-unadorned-extern-block.rs:12:5 + | +LL | extern "C" { + | ---------- help: add unsafe to this `extern` block +... +LL | safe fn test1(i: i32); + | ^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 3 previous errors + diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/safe-unsafe-on-unadorned-extern-block.rs b/tests/ui/rust-2024/unsafe-extern-blocks/safe-unsafe-on-unadorned-extern-block.rs index d37a7be452da..11f55cb195f2 100644 --- a/tests/ui/rust-2024/unsafe-extern-blocks/safe-unsafe-on-unadorned-extern-block.rs +++ b/tests/ui/rust-2024/unsafe-extern-blocks/safe-unsafe-on-unadorned-extern-block.rs @@ -1,4 +1,12 @@ +//@ revisions: edition2021 edition2024 +//@[edition2021] edition:2021 +//@[edition2024] edition:2024 +//@[edition2024] compile-flags: -Zunstable-options + +#![feature(unsafe_extern_blocks)] + extern "C" { + //[edition2024]~^ ERROR extern blocks must be unsafe safe static TEST1: i32; //~^ ERROR items in unadorned `extern` blocks cannot have safety qualifiers safe fn test1(i: i32); From 525828d5ee9baca7f7e651918df966f6bc38596a Mon Sep 17 00:00:00 2001 From: Santiago Pastorino Date: Tue, 4 Jun 2024 15:46:32 -0300 Subject: [PATCH 1027/1716] Add rustfix test for unsafe extern blocks --- .../unsafe-extern-suggestion.fixed | 19 ++++++++++++++ .../unsafe-extern-suggestion.rs | 19 ++++++++++++++ .../unsafe-extern-suggestion.stderr | 25 +++++++++++++++++++ 3 files changed, 63 insertions(+) create mode 100644 tests/ui/rust-2024/unsafe-extern-blocks/unsafe-extern-suggestion.fixed create mode 100644 tests/ui/rust-2024/unsafe-extern-blocks/unsafe-extern-suggestion.rs create mode 100644 tests/ui/rust-2024/unsafe-extern-blocks/unsafe-extern-suggestion.stderr diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-extern-suggestion.fixed b/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-extern-suggestion.fixed new file mode 100644 index 000000000000..10c19759d8aa --- /dev/null +++ b/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-extern-suggestion.fixed @@ -0,0 +1,19 @@ +//@ run-rustfix + +#![feature(unsafe_extern_blocks)] +#![deny(missing_unsafe_on_extern)] +#![allow(unused)] + +unsafe extern "C" { + //~^ ERROR extern blocks should be unsafe [missing_unsafe_on_extern] + //~| WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2024! + static TEST1: i32; + fn test1(i: i32); +} + +unsafe extern "C" { + static TEST2: i32; + fn test2(i: i32); +} + +fn main() {} diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-extern-suggestion.rs b/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-extern-suggestion.rs new file mode 100644 index 000000000000..b81e52ddc584 --- /dev/null +++ b/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-extern-suggestion.rs @@ -0,0 +1,19 @@ +//@ run-rustfix + +#![feature(unsafe_extern_blocks)] +#![deny(missing_unsafe_on_extern)] +#![allow(unused)] + +extern "C" { + //~^ ERROR extern blocks should be unsafe [missing_unsafe_on_extern] + //~| WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2024! + static TEST1: i32; + fn test1(i: i32); +} + +unsafe extern "C" { + static TEST2: i32; + fn test2(i: i32); +} + +fn main() {} diff --git a/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-extern-suggestion.stderr b/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-extern-suggestion.stderr new file mode 100644 index 000000000000..0a3c2cd25e3f --- /dev/null +++ b/tests/ui/rust-2024/unsafe-extern-blocks/unsafe-extern-suggestion.stderr @@ -0,0 +1,25 @@ +error: extern blocks should be unsafe + --> $DIR/unsafe-extern-suggestion.rs:7:1 + | +LL | extern "C" { + | ^ + | | + | _help: needs `unsafe` before the extern keyword: `unsafe` + | | +LL | | +LL | | +LL | | static TEST1: i32; +LL | | fn test1(i: i32); +LL | | } + | |_^ + | + = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2024! + = note: for more information, see issue #123743 +note: the lint level is defined here + --> $DIR/unsafe-extern-suggestion.rs:4:9 + | +LL | #![deny(missing_unsafe_on_extern)] + | ^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 1 previous error + From b710404f3b3990af8eebe2e168f6465535dfcc82 Mon Sep 17 00:00:00 2001 From: Ben Kimock Date: Mon, 3 Jun 2024 20:13:31 -0400 Subject: [PATCH 1028/1716] Update the interpreter to handle the new cases --- .../src/interpret/terminator.rs | 33 +++++++++++++------ 1 file changed, 23 insertions(+), 10 deletions(-) diff --git a/compiler/rustc_const_eval/src/interpret/terminator.rs b/compiler/rustc_const_eval/src/interpret/terminator.rs index 0649bb5617ce..cbfe25ca8df5 100644 --- a/compiler/rustc_const_eval/src/interpret/terminator.rs +++ b/compiler/rustc_const_eval/src/interpret/terminator.rs @@ -294,17 +294,30 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { /// Unwrap types that are guaranteed a null-pointer-optimization fn unfold_npo(&self, layout: TyAndLayout<'tcx>) -> InterpResult<'tcx, TyAndLayout<'tcx>> { - // Check if this is `Option` wrapping some type. - let inner = match layout.ty.kind() { - ty::Adt(def, args) if self.tcx.is_diagnostic_item(sym::Option, def.did()) => { - args[0].as_type().unwrap() - } - _ => { - // Not an `Option`. - return Ok(layout); - } + // Check if this is `Option` wrapping some type or if this is `Result` wrapping a 1-ZST and + // another type. + let ty::Adt(def, args) = layout.ty.kind() else { + // Not an ADT, so definitely no NPO. + return Ok(layout); }; - let inner = self.layout_of(inner)?; + let inner = if self.tcx.is_diagnostic_item(sym::Option, def.did()) { + // The wrapped type is the only arg. + self.layout_of(args[0].as_type().unwrap())? + } else if self.tcx.is_diagnostic_item(sym::Result, def.did()) { + // We want to extract which (if any) of the args is not a 1-ZST. + let lhs = self.layout_of(args[0].as_type().unwrap())?; + let rhs = self.layout_of(args[1].as_type().unwrap())?; + if lhs.is_1zst() { + rhs + } else if rhs.is_1zst() { + lhs + } else { + return Ok(layout); // no NPO + } + } else { + return Ok(layout); // no NPO + }; + // Check if the inner type is one of the NPO-guaranteed ones. // For that we first unpeel transparent *structs* (but not unions). let is_npo = |def: AdtDef<'tcx>| { From a272f8ed44155e422d1e7f85f1cfe708ae0721b6 Mon Sep 17 00:00:00 2001 From: Chris Denton Date: Wed, 5 Jun 2024 13:53:46 +0000 Subject: [PATCH 1029/1716] Update `./x fmt` command --- library/std/src/sys/pal/windows/c/README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/library/std/src/sys/pal/windows/c/README.md b/library/std/src/sys/pal/windows/c/README.md index d458e55efbcd..efefc5faba7a 100644 --- a/library/std/src/sys/pal/windows/c/README.md +++ b/library/std/src/sys/pal/windows/c/README.md @@ -3,7 +3,7 @@ be edited manually. To add bindings, edit `bindings.txt` then regenerate using the following command: - ./x run generate-windows-sys && ./x fmt library/std + ./x run generate-windows-sys && ./x fmt If you need to override generated functions or types then add them to `library/std/src/sys/pal/windows/c.rs`. From a0e407c7c2454a869cf1eb5870fae13dcb823c54 Mon Sep 17 00:00:00 2001 From: xFrednet Date: Wed, 5 Jun 2024 16:26:51 +0200 Subject: [PATCH 1030/1716] Address PR feedback <3 --- CHANGELOG.md | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index d09e0e55ddb6..5b3f29de4834 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -16,9 +16,9 @@ Current stable, released 2024-06-13 ### New Lints -* Added [`legacy_numeric_constants`] to +* Added [`legacy_numeric_constants`] to `style` [#12312](https://github.com/rust-lang/rust-clippy/pull/12312) -* Added [`missing_transmute_annotations`] to +* Added [`missing_transmute_annotations`] to `suspicious` [#12239](https://github.com/rust-lang/rust-clippy/pull/12239) * Added [`integer_division_remainder_used`] to `restriction` [#12451](https://github.com/rust-lang/rust-clippy/pull/12451) @@ -37,14 +37,12 @@ Current stable, released 2024-06-13 [#12601](https://github.com/rust-lang/rust-clippy/pull/12601) * Moved [`manual_clamp`] to `complexity` (From `nursery` now warn-by-default) [#12543](https://github.com/rust-lang/rust-clippy/pull/12543) -* Moved [`mixed_attributes_style`] to `style` (From `suspicious`) - [#12572](https://github.com/rust-lang/rust-clippy/pull/12572) * Moved [`readonly_write_lock`] to `perf` (From `nursery` now warn-by-default) [#12479](https://github.com/rust-lang/rust-clippy/pull/12479) ### Enhancements -* [`module_name_repetition`]: Added the [`allowed-prefixes`] configuration to allow common prefixes. +* [`module_name_repetitions`]: Added the [`allowed-prefixes`] configuration to allow common prefixes. [#12573](https://github.com/rust-lang/rust-clippy/pull/12573) * [`cast_sign_loss`], [`cast_possible_truncation`], [`cast_lossless`]: Are now allowed in macros [#12631](https://github.com/rust-lang/rust-clippy/pull/12631) @@ -52,7 +50,7 @@ Current stable, released 2024-06-13 [#12543](https://github.com/rust-lang/rust-clippy/pull/12543) * [`assigning_clones`]: Now considers the [`msrv`] configuration [#12511](https://github.com/rust-lang/rust-clippy/pull/12511) -* [`needless_return`], [`useless_let_if_seq`], [`mut_mut`]: [`read_zero_byte_vec`], [`unused_io_amount`], +* [`needless_return`], [`useless_let_if_seq`], [`mut_mut`], [`read_zero_byte_vec`], [`unused_io_amount`], [`unused_peekable`]: Now respects `#[allow]` attributes on the affected statement instead [#12446](https://github.com/rust-lang/rust-clippy/pull/12446) @@ -65,8 +63,6 @@ Current stable, released 2024-06-13 ### ICE Fixes -* [`ptr_as_ptr`]: No longer crashes when the result of a function is casted - [#12617](https://github.com/rust-lang/rust-clippy/pull/12617) * [`needless_return`]: No longer crashes on non-ascii characters [#12493](https://github.com/rust-lang/rust-clippy/pull/12493) From e704858b0b41b72da9645f9a51e2e55a482fa5c4 Mon Sep 17 00:00:00 2001 From: Chris Denton Date: Wed, 5 Jun 2024 14:28:42 +0000 Subject: [PATCH 1031/1716] Update description of the `IsTerminal` example --- library/std/src/io/stdio.rs | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/library/std/src/io/stdio.rs b/library/std/src/io/stdio.rs index c8968b74b12d..9aee2bb5e1c5 100644 --- a/library/std/src/io/stdio.rs +++ b/library/std/src/io/stdio.rs @@ -1190,9 +1190,8 @@ pub trait IsTerminal: crate::sealed::Sealed { /// /// - If you run this example by piping some text to it, e.g. `echo "foo" | path/to/executable` /// it will print: `Hello foo`. - /// - If you instead run the example interactively by running the executable directly, it will - /// panic with the message "Expected input to be piped to the process". - /// + /// - If you instead run the example interactively by running `path/to/executable` directly, it will + /// prompt for input. /// /// [changes]: io#platform-specific-behavior /// [`Stdin`]: crate::io::Stdin From 2fe41c68d3819a94a3f6a7773e109619bd4cc241 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Wed, 5 Jun 2024 16:41:59 +0200 Subject: [PATCH 1032/1716] Fix publishing of toolstate history --- .github/workflows/ci.yml | 3 ++- src/ci/github-actions/jobs.yml | 1 + src/ci/publish_toolstate.sh | 4 ++-- 3 files changed, 5 insertions(+), 3 deletions(-) diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml index c9d6c56076a9..d2d4a7e3d42f 100644 --- a/.github/workflows/ci.yml +++ b/.github/workflows/ci.yml @@ -38,6 +38,8 @@ concurrency: cancel-in-progress: true env: TOOLSTATE_REPO: "https://github.com/rust-lang-nursery/rust-toolstate" + # This will be empty in PR jobs. + TOOLSTATE_REPO_ACCESS_TOKEN: ${{ secrets.TOOLSTATE_REPO_ACCESS_TOKEN }} jobs: # The job matrix for `calculate_matrix` is defined in src/ci/github-actions/jobs.yml. # It calculates which jobs should be executed, based on the data of the ${{ github }} context. @@ -242,6 +244,5 @@ jobs: shell: bash if: needs.calculate_matrix.outputs.run_type == 'auto' env: - TOOLSTATE_REPO_ACCESS_TOKEN: ${{ secrets.TOOLSTATE_REPO_ACCESS_TOKEN }} TOOLSTATE_ISSUES_API_URL: https://api.github.com/repos/rust-lang/rust/issues TOOLSTATE_PUBLISH: 1 diff --git a/src/ci/github-actions/jobs.yml b/src/ci/github-actions/jobs.yml index ca86f3f0110e..45c3fb4b2cd1 100644 --- a/src/ci/github-actions/jobs.yml +++ b/src/ci/github-actions/jobs.yml @@ -58,6 +58,7 @@ envs: CACHES_AWS_ACCESS_KEY_ID: AKIA46X5W6CZI5DHEBFL ARTIFACTS_AWS_ACCESS_KEY_ID: AKIA46X5W6CZN24CBO55 AWS_REGION: us-west-1 + TOOLSTATE_PUBLISH: 1 try: <<: *production diff --git a/src/ci/publish_toolstate.sh b/src/ci/publish_toolstate.sh index 691df04e754a..e828365c416f 100755 --- a/src/ci/publish_toolstate.sh +++ b/src/ci/publish_toolstate.sh @@ -24,8 +24,8 @@ cd rust-toolstate FAILURE=1 for RETRY_COUNT in 1 2 3 4 5; do # The purpose of this is to publish the new "current" toolstate in the toolstate repo. - # This happens post-landing, on master. - # (Publishing the per-commit test results happens pre-landing in src/bootstrap/toolstate.rs). + # This happens at the end of auto builds. + # (Publishing the per-commit test results happens in src/bootstrap/toolstate.rs). "$(ciCheckoutPath)/src/tools/publish_toolstate.py" "$GIT_COMMIT" \ "$GIT_COMMIT_MSG" \ "$MESSAGE_FILE" \ From 35130d7233e939cc9a6fd8b72a4baee2eb59c3b2 Mon Sep 17 00:00:00 2001 From: r0cky Date: Wed, 5 Jun 2024 23:20:09 +0800 Subject: [PATCH 1033/1716] Detect pub structs never constructed and unused associated constants in traits --- compiler/rustc_passes/src/dead.rs | 121 ++++++++++++++---- .../item-collection/generic-impl.rs | 10 +- .../item-collection/overloaded-operators.rs | 24 ++-- tests/ui/coherence/re-rebalance-coherence.rs | 1 + .../defaults/repr-c-issue-82792.rs | 1 + .../generic_const_exprs/associated-consts.rs | 3 +- .../transparent-maybeunit-array-wrapper.rs | 1 + ...lone-debug-dead-code-in-the-same-struct.rs | 4 +- ...-debug-dead-code-in-the-same-struct.stderr | 16 +-- tests/ui/issues/issue-5708.rs | 1 + tests/ui/lint/dead-code/lint-dead-code-1.rs | 5 +- .../ui/lint/dead-code/lint-dead-code-1.stderr | 26 +++- tests/ui/lint/dead-code/unused-assoc-const.rs | 20 +++ .../lint/dead-code/unused-assoc-const.stderr | 16 +++ tests/ui/lint/dead-code/unused-pub-struct.rs | 48 +++++++ .../lint/dead-code/unused-pub-struct.stderr | 14 ++ ...re-clause-before-tuple-struct-body-0.fixed | 3 +- ...where-clause-before-tuple-struct-body-0.rs | 3 +- ...e-clause-before-tuple-struct-body-0.stderr | 10 +- tests/ui/pub/pub-ident-struct-4.fixed | 3 +- tests/ui/pub/pub-ident-struct-4.rs | 3 +- tests/ui/pub/pub-ident-struct-4.stderr | 6 +- tests/ui/regions/regions-issue-21422.rs | 1 + .../structs-enums/newtype-struct-with-dtor.rs | 2 + .../ui/structs-enums/uninstantiable-struct.rs | 3 +- .../ui/suggestions/derive-clone-for-eq.fixed | 1 + tests/ui/suggestions/derive-clone-for-eq.rs | 1 + .../ui/suggestions/derive-clone-for-eq.stderr | 4 +- .../ui/suggestions/option-content-move.fixed | 2 + tests/ui/suggestions/option-content-move.rs | 2 + .../ui/suggestions/option-content-move.stderr | 4 +- tests/ui/traits/object/generics.rs | 1 + 32 files changed, 272 insertions(+), 88 deletions(-) create mode 100644 tests/ui/lint/dead-code/unused-assoc-const.rs create mode 100644 tests/ui/lint/dead-code/unused-assoc-const.stderr create mode 100644 tests/ui/lint/dead-code/unused-pub-struct.rs create mode 100644 tests/ui/lint/dead-code/unused-pub-struct.stderr diff --git a/compiler/rustc_passes/src/dead.rs b/compiler/rustc_passes/src/dead.rs index 0049afff528c..4c2ea76ff651 100644 --- a/compiler/rustc_passes/src/dead.rs +++ b/compiler/rustc_passes/src/dead.rs @@ -15,7 +15,7 @@ use rustc_hir::{Node, PatKind, TyKind}; use rustc_middle::middle::codegen_fn_attrs::CodegenFnAttrFlags; use rustc_middle::middle::privacy::Level; use rustc_middle::query::Providers; -use rustc_middle::ty::{self, TyCtxt}; +use rustc_middle::ty::{self, AssocItemContainer, TyCtxt}; use rustc_middle::{bug, span_bug}; use rustc_session::lint; use rustc_session::lint::builtin::DEAD_CODE; @@ -44,16 +44,63 @@ fn should_explore(tcx: TyCtxt<'_>, def_id: LocalDefId) -> bool { ) } -fn ty_ref_to_pub_struct(tcx: TyCtxt<'_>, ty: &hir::Ty<'_>) -> bool { +struct Publicness { + ty_is_public: bool, + ty_and_all_fields_are_public: bool, +} + +impl Publicness { + fn new(ty_is_public: bool, ty_and_all_fields_are_public: bool) -> Self { + Self { ty_is_public, ty_and_all_fields_are_public } + } +} + +fn struct_all_fields_are_public(tcx: TyCtxt<'_>, id: DefId) -> bool { + // treat PhantomData and positional ZST as public, + // we don't want to lint types which only have them, + // cause it's a common way to use such types to check things like well-formedness + tcx.adt_def(id).all_fields().all(|field| { + let field_type = tcx.type_of(field.did).instantiate_identity(); + if field_type.is_phantom_data() { + return true; + } + let is_positional = field.name.as_str().starts_with(|c: char| c.is_ascii_digit()); + if is_positional + && tcx + .layout_of(tcx.param_env(field.did).and(field_type)) + .map_or(true, |layout| layout.is_zst()) + { + return true; + } + field.vis.is_public() + }) +} + +/// check struct and its fields are public or not, +/// for enum and union, just check they are public, +/// and doesn't solve types like &T for now, just skip them +fn ty_ref_to_pub_struct(tcx: TyCtxt<'_>, ty: &hir::Ty<'_>) -> Publicness { if let TyKind::Path(hir::QPath::Resolved(_, path)) = ty.kind && let Res::Def(def_kind, def_id) = path.res && def_id.is_local() - && matches!(def_kind, DefKind::Struct | DefKind::Enum | DefKind::Union) { - tcx.visibility(def_id).is_public() - } else { - true + return match def_kind { + DefKind::Enum | DefKind::Union => { + let ty_is_public = tcx.visibility(def_id).is_public(); + Publicness::new(ty_is_public, ty_is_public) + } + DefKind::Struct => { + let ty_is_public = tcx.visibility(def_id).is_public(); + Publicness::new( + ty_is_public, + ty_is_public && struct_all_fields_are_public(tcx, def_id), + ) + } + _ => Publicness::new(true, true), + }; } + + Publicness::new(true, true) } /// Determine if a work from the worklist is coming from the a `#[allow]` @@ -427,9 +474,11 @@ impl<'tcx> MarkSymbolVisitor<'tcx> { { if matches!(trait_item.kind, hir::TraitItemKind::Fn(..)) && !ty_ref_to_pub_struct(self.tcx, impl_ref.self_ty) + .ty_and_all_fields_are_public { - // skip methods of private ty, - // they would be solved in `solve_rest_impl_items` + // skip impl-items of non pure pub ty, + // cause we don't know the ty is constructed or not, + // check these later in `solve_rest_impl_items` continue; } @@ -510,22 +559,21 @@ impl<'tcx> MarkSymbolVisitor<'tcx> { && let Some(local_def_id) = def_id.as_local() && matches!(def_kind, DefKind::Struct | DefKind::Enum | DefKind::Union) { - if self.tcx.visibility(impl_item_id).is_public() { - // for the public method, we don't know the trait item is used or not, - // so we mark the method live if the self is used - return self.live_symbols.contains(&local_def_id); - } - if let Some(trait_item_id) = self.tcx.associated_item(impl_item_id).trait_item_def_id && let Some(local_id) = trait_item_id.as_local() { - // for the private method, we can know the trait item is used or not, + // for the local impl item, we can know the trait item is used or not, // so we mark the method live if the self is used and the trait item is used - return self.live_symbols.contains(&local_id) - && self.live_symbols.contains(&local_def_id); + self.live_symbols.contains(&local_id) && self.live_symbols.contains(&local_def_id) + } else { + // for the foreign method and inherent pub method, + // we don't know the trait item or the method is used or not, + // so we mark the method live if the self is used + self.live_symbols.contains(&local_def_id) } + } else { + false } - false } } @@ -746,7 +794,9 @@ fn check_item<'tcx>( .iter() .filter_map(|def_id| def_id.as_local()); - let ty_is_pub = ty_ref_to_pub_struct(tcx, tcx.hir().item(id).expect_impl().self_ty); + let self_ty = tcx.hir().item(id).expect_impl().self_ty; + let Publicness { ty_is_public, ty_and_all_fields_are_public } = + ty_ref_to_pub_struct(tcx, self_ty); // And we access the Map here to get HirId from LocalDefId for local_def_id in local_def_ids { @@ -762,18 +812,20 @@ fn check_item<'tcx>( // for trait impl blocks, // mark the method live if the self_ty is public, // or the method is public and may construct self - if of_trait - && (!matches!(tcx.def_kind(local_def_id), DefKind::AssocFn) - || tcx.visibility(local_def_id).is_public() - && (ty_is_pub || may_construct_self)) + if of_trait && matches!(tcx.def_kind(local_def_id), DefKind::AssocTy) + || tcx.visibility(local_def_id).is_public() + && (ty_and_all_fields_are_public || may_construct_self) { + // if the impl item is public, + // and the ty may be constructed or can be constructed in foreign crates, + // mark the impl item live worklist.push((local_def_id, ComesFromAllowExpect::No)); } else if let Some(comes_from_allow) = has_allow_dead_code_or_lang_attr(tcx, local_def_id) { worklist.push((local_def_id, comes_from_allow)); - } else if of_trait { - // private method || public method not constructs self + } else if of_trait || tcx.visibility(local_def_id).is_public() && ty_is_public { + // private impl items of traits || public impl items not constructs self unsolved_impl_items.push((id, local_def_id)); } } @@ -840,6 +892,14 @@ fn create_and_seed_worklist( effective_vis .is_public_at_level(Level::Reachable) .then_some(id) + .filter(|&id| + // checks impls, impl-items and pub structs with all public fields later + match tcx.def_kind(id) { + DefKind::Impl { .. } => false, + DefKind::AssocConst | DefKind::AssocFn => !matches!(tcx.associated_item(id).container, AssocItemContainer::ImplContainer), + DefKind::Struct => struct_all_fields_are_public(tcx, id.to_def_id()), + _ => true + }) .map(|id| (id, ComesFromAllowExpect::No)) }) // Seed entry point @@ -1112,10 +1172,15 @@ fn check_mod_deathness(tcx: TyCtxt<'_>, module: LocalModDefId) { || (def_kind == DefKind::Trait && live_symbols.contains(&item.owner_id.def_id)) { for &def_id in tcx.associated_item_def_ids(item.owner_id.def_id) { - // We have diagnosed unused methods in traits + // We have diagnosed unused assoc consts and fns in traits if matches!(def_kind, DefKind::Impl { of_trait: true }) - && tcx.def_kind(def_id) == DefKind::AssocFn - || def_kind == DefKind::Trait && tcx.def_kind(def_id) != DefKind::AssocFn + && matches!(tcx.def_kind(def_id), DefKind::AssocConst | DefKind::AssocFn) + // skip unused public inherent methods, + // cause we have diagnosed unconstructed struct + || matches!(def_kind, DefKind::Impl { of_trait: false }) + && tcx.visibility(def_id).is_public() + && ty_ref_to_pub_struct(tcx, tcx.hir().item(item).expect_impl().self_ty).ty_is_public + || def_kind == DefKind::Trait && tcx.def_kind(def_id) == DefKind::AssocTy { continue; } diff --git a/tests/codegen-units/item-collection/generic-impl.rs b/tests/codegen-units/item-collection/generic-impl.rs index 23d09e0d8af3..b4cd99272b15 100644 --- a/tests/codegen-units/item-collection/generic-impl.rs +++ b/tests/codegen-units/item-collection/generic-impl.rs @@ -22,16 +22,16 @@ impl Struct { } } -pub struct LifeTimeOnly<'a> { +pub struct _LifeTimeOnly<'a> { _a: &'a u32, } -impl<'a> LifeTimeOnly<'a> { - //~ MONO_ITEM fn LifeTimeOnly::<'_>::foo +impl<'a> _LifeTimeOnly<'a> { + //~ MONO_ITEM fn _LifeTimeOnly::<'_>::foo pub fn foo(&self) {} - //~ MONO_ITEM fn LifeTimeOnly::<'_>::bar + //~ MONO_ITEM fn _LifeTimeOnly::<'_>::bar pub fn bar(&'a self) {} - //~ MONO_ITEM fn LifeTimeOnly::<'_>::baz + //~ MONO_ITEM fn _LifeTimeOnly::<'_>::baz pub fn baz<'b>(&'b self) {} pub fn non_instantiated(&self) {} diff --git a/tests/codegen-units/item-collection/overloaded-operators.rs b/tests/codegen-units/item-collection/overloaded-operators.rs index 69b55695d3d3..e00e22dbab99 100644 --- a/tests/codegen-units/item-collection/overloaded-operators.rs +++ b/tests/codegen-units/item-collection/overloaded-operators.rs @@ -5,44 +5,44 @@ use std::ops::{Add, Deref, Index, IndexMut}; -pub struct Indexable { +pub struct _Indexable { data: [u8; 3], } -impl Index for Indexable { +impl Index for _Indexable { type Output = u8; - //~ MONO_ITEM fn >::index + //~ MONO_ITEM fn <_Indexable as std::ops::Index>::index fn index(&self, index: usize) -> &Self::Output { if index >= 3 { &self.data[0] } else { &self.data[index] } } } -impl IndexMut for Indexable { - //~ MONO_ITEM fn >::index_mut +impl IndexMut for _Indexable { + //~ MONO_ITEM fn <_Indexable as std::ops::IndexMut>::index_mut fn index_mut(&mut self, index: usize) -> &mut Self::Output { if index >= 3 { &mut self.data[0] } else { &mut self.data[index] } } } -//~ MONO_ITEM fn ::eq -//~ MONO_ITEM fn ::ne +//~ MONO_ITEM fn <_Equatable as std::cmp::PartialEq>::eq +//~ MONO_ITEM fn <_Equatable as std::cmp::PartialEq>::ne #[derive(PartialEq)] -pub struct Equatable(u32); +pub struct _Equatable(u32); -impl Add for Equatable { +impl Add for _Equatable { type Output = u32; - //~ MONO_ITEM fn >::add + //~ MONO_ITEM fn <_Equatable as std::ops::Add>::add fn add(self, rhs: u32) -> u32 { self.0 + rhs } } -impl Deref for Equatable { +impl Deref for _Equatable { type Target = u32; - //~ MONO_ITEM fn ::deref + //~ MONO_ITEM fn <_Equatable as std::ops::Deref>::deref fn deref(&self) -> &Self::Target { &self.0 } diff --git a/tests/ui/coherence/re-rebalance-coherence.rs b/tests/ui/coherence/re-rebalance-coherence.rs index 9c176d5b1b12..5383a634617f 100644 --- a/tests/ui/coherence/re-rebalance-coherence.rs +++ b/tests/ui/coherence/re-rebalance-coherence.rs @@ -4,6 +4,7 @@ extern crate re_rebalance_coherence_lib as lib; use lib::*; +#[allow(dead_code)] struct Oracle; impl Backend for Oracle {} impl<'a, T:'a, Tab> QueryFragment for BatchInsert<'a, T, Tab> {} diff --git a/tests/ui/const-generics/defaults/repr-c-issue-82792.rs b/tests/ui/const-generics/defaults/repr-c-issue-82792.rs index c23187598bce..4bf2fa761eae 100644 --- a/tests/ui/const-generics/defaults/repr-c-issue-82792.rs +++ b/tests/ui/const-generics/defaults/repr-c-issue-82792.rs @@ -2,6 +2,7 @@ //@ run-pass +#[allow(dead_code)] #[repr(C)] pub struct Loaf { head: [T; N], diff --git a/tests/ui/const-generics/generic_const_exprs/associated-consts.rs b/tests/ui/const-generics/generic_const_exprs/associated-consts.rs index 5d2198f50ad9..50a6102c605a 100644 --- a/tests/ui/const-generics/generic_const_exprs/associated-consts.rs +++ b/tests/ui/const-generics/generic_const_exprs/associated-consts.rs @@ -16,7 +16,8 @@ impl BlockCipher for BarCipher { const BLOCK_SIZE: usize = 32; } -pub struct Block(#[allow(dead_code)] C); +#[allow(dead_code)] +pub struct Block(C); pub fn test() where diff --git a/tests/ui/const-generics/transparent-maybeunit-array-wrapper.rs b/tests/ui/const-generics/transparent-maybeunit-array-wrapper.rs index 419d605d0c87..35c41ae46152 100644 --- a/tests/ui/const-generics/transparent-maybeunit-array-wrapper.rs +++ b/tests/ui/const-generics/transparent-maybeunit-array-wrapper.rs @@ -6,6 +6,7 @@ use std::mem::MaybeUninit; +#[allow(dead_code)] #[repr(transparent)] pub struct MaybeUninitWrapper(MaybeUninit<[u64; N]>); diff --git a/tests/ui/derives/clone-debug-dead-code-in-the-same-struct.rs b/tests/ui/derives/clone-debug-dead-code-in-the-same-struct.rs index 6ab1fb7b039b..885dacc727af 100644 --- a/tests/ui/derives/clone-debug-dead-code-in-the-same-struct.rs +++ b/tests/ui/derives/clone-debug-dead-code-in-the-same-struct.rs @@ -1,9 +1,9 @@ #![forbid(dead_code)] #[derive(Debug)] -pub struct Whatever { +pub struct Whatever { //~ ERROR struct `Whatever` is never constructed pub field0: (), - field1: (), //~ ERROR fields `field1`, `field2`, `field3`, and `field4` are never read + field1: (), field2: (), field3: (), field4: (), diff --git a/tests/ui/derives/clone-debug-dead-code-in-the-same-struct.stderr b/tests/ui/derives/clone-debug-dead-code-in-the-same-struct.stderr index e9b757b6bae7..e10d28ad03a4 100644 --- a/tests/ui/derives/clone-debug-dead-code-in-the-same-struct.stderr +++ b/tests/ui/derives/clone-debug-dead-code-in-the-same-struct.stderr @@ -1,19 +1,9 @@ -error: fields `field1`, `field2`, `field3`, and `field4` are never read - --> $DIR/clone-debug-dead-code-in-the-same-struct.rs:6:5 +error: struct `Whatever` is never constructed + --> $DIR/clone-debug-dead-code-in-the-same-struct.rs:4:12 | LL | pub struct Whatever { - | -------- fields in this struct -LL | pub field0: (), -LL | field1: (), - | ^^^^^^ -LL | field2: (), - | ^^^^^^ -LL | field3: (), - | ^^^^^^ -LL | field4: (), - | ^^^^^^ + | ^^^^^^^^ | - = note: `Whatever` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis note: the lint level is defined here --> $DIR/clone-debug-dead-code-in-the-same-struct.rs:1:11 | diff --git a/tests/ui/issues/issue-5708.rs b/tests/ui/issues/issue-5708.rs index ce9ef78ffcd9..89ea9fbdcd8f 100644 --- a/tests/ui/issues/issue-5708.rs +++ b/tests/ui/issues/issue-5708.rs @@ -44,6 +44,7 @@ pub trait MyTrait { fn dummy(&self, t: T) -> T { panic!() } } +#[allow(dead_code)] pub struct MyContainer<'a, T:'a> { foos: Vec<&'a (dyn MyTrait+'a)> , } diff --git a/tests/ui/lint/dead-code/lint-dead-code-1.rs b/tests/ui/lint/dead-code/lint-dead-code-1.rs index ddcafedf7bc5..3386dfa47470 100644 --- a/tests/ui/lint/dead-code/lint-dead-code-1.rs +++ b/tests/ui/lint/dead-code/lint-dead-code-1.rs @@ -46,11 +46,10 @@ struct SemiUsedStruct; impl SemiUsedStruct { fn la_la_la() {} } -struct StructUsedAsField; +struct StructUsedAsField; //~ ERROR struct `StructUsedAsField` is never constructed pub struct StructUsedInEnum; struct StructUsedInGeneric; -pub struct PubStruct2 { - #[allow(dead_code)] +pub struct PubStruct2 { //~ ERROR struct `PubStruct2` is never constructed struct_used_as_field: *const StructUsedAsField } diff --git a/tests/ui/lint/dead-code/lint-dead-code-1.stderr b/tests/ui/lint/dead-code/lint-dead-code-1.stderr index eb728b5b9305..b0163df8855c 100644 --- a/tests/ui/lint/dead-code/lint-dead-code-1.stderr +++ b/tests/ui/lint/dead-code/lint-dead-code-1.stderr @@ -22,14 +22,26 @@ error: struct `PrivStruct` is never constructed LL | struct PrivStruct; | ^^^^^^^^^^ +error: struct `StructUsedAsField` is never constructed + --> $DIR/lint-dead-code-1.rs:49:8 + | +LL | struct StructUsedAsField; + | ^^^^^^^^^^^^^^^^^ + +error: struct `PubStruct2` is never constructed + --> $DIR/lint-dead-code-1.rs:52:12 + | +LL | pub struct PubStruct2 { + | ^^^^^^^^^^ + error: enum `priv_enum` is never used - --> $DIR/lint-dead-code-1.rs:64:6 + --> $DIR/lint-dead-code-1.rs:63:6 | LL | enum priv_enum { foo2, bar2 } | ^^^^^^^^^ error: variant `bar3` is never constructed - --> $DIR/lint-dead-code-1.rs:67:5 + --> $DIR/lint-dead-code-1.rs:66:5 | LL | enum used_enum { | --------- variant in this enum @@ -38,25 +50,25 @@ LL | bar3 | ^^^^ error: function `priv_fn` is never used - --> $DIR/lint-dead-code-1.rs:88:4 + --> $DIR/lint-dead-code-1.rs:87:4 | LL | fn priv_fn() { | ^^^^^^^ error: function `foo` is never used - --> $DIR/lint-dead-code-1.rs:93:4 + --> $DIR/lint-dead-code-1.rs:92:4 | LL | fn foo() { | ^^^ error: function `bar` is never used - --> $DIR/lint-dead-code-1.rs:98:4 + --> $DIR/lint-dead-code-1.rs:97:4 | LL | fn bar() { | ^^^ error: function `baz` is never used - --> $DIR/lint-dead-code-1.rs:102:4 + --> $DIR/lint-dead-code-1.rs:101:4 | LL | fn baz() -> impl Copy { | ^^^ @@ -67,5 +79,5 @@ error: struct `Bar` is never constructed LL | pub struct Bar; | ^^^ -error: aborting due to 10 previous errors +error: aborting due to 12 previous errors diff --git a/tests/ui/lint/dead-code/unused-assoc-const.rs b/tests/ui/lint/dead-code/unused-assoc-const.rs new file mode 100644 index 000000000000..36e8315ad360 --- /dev/null +++ b/tests/ui/lint/dead-code/unused-assoc-const.rs @@ -0,0 +1,20 @@ +#![deny(dead_code)] + +trait Trait { + const UNUSED_CONST: i32; //~ ERROR associated constant `UNUSED_CONST` is never used + const USED_CONST: i32; + + fn foo(&self) {} +} + +pub struct T(()); + +impl Trait for T { + const UNUSED_CONST: i32 = 0; + const USED_CONST: i32 = 1; +} + +fn main() { + T(()).foo(); + T::USED_CONST; +} diff --git a/tests/ui/lint/dead-code/unused-assoc-const.stderr b/tests/ui/lint/dead-code/unused-assoc-const.stderr new file mode 100644 index 000000000000..78296d706638 --- /dev/null +++ b/tests/ui/lint/dead-code/unused-assoc-const.stderr @@ -0,0 +1,16 @@ +error: associated constant `UNUSED_CONST` is never used + --> $DIR/unused-assoc-const.rs:4:11 + | +LL | trait Trait { + | ----- associated constant in this trait +LL | const UNUSED_CONST: i32; + | ^^^^^^^^^^^^ + | +note: the lint level is defined here + --> $DIR/unused-assoc-const.rs:1:9 + | +LL | #![deny(dead_code)] + | ^^^^^^^^^ + +error: aborting due to 1 previous error + diff --git a/tests/ui/lint/dead-code/unused-pub-struct.rs b/tests/ui/lint/dead-code/unused-pub-struct.rs new file mode 100644 index 000000000000..aaf4dd612de4 --- /dev/null +++ b/tests/ui/lint/dead-code/unused-pub-struct.rs @@ -0,0 +1,48 @@ +#![deny(dead_code)] + +pub struct NotLint1(()); +pub struct NotLint2(std::marker::PhantomData); + +pub struct NeverConstructed(i32); //~ ERROR struct `NeverConstructed` is never constructed + +impl NeverConstructed { + pub fn not_construct_self(&self) {} +} + +impl Clone for NeverConstructed { + fn clone(&self) -> NeverConstructed { + NeverConstructed(0) + } +} + +pub trait Trait { + fn not_construct_self(&self); +} + +impl Trait for NeverConstructed { + fn not_construct_self(&self) { + self.0; + } +} + +pub struct Constructed(i32); + +impl Constructed { + pub fn construct_self() -> Self { + Constructed(0) + } +} + +impl Clone for Constructed { + fn clone(&self) -> Constructed { + Constructed(0) + } +} + +impl Trait for Constructed { + fn not_construct_self(&self) { + self.0; + } +} + +fn main() {} diff --git a/tests/ui/lint/dead-code/unused-pub-struct.stderr b/tests/ui/lint/dead-code/unused-pub-struct.stderr new file mode 100644 index 000000000000..3667ddb97bd3 --- /dev/null +++ b/tests/ui/lint/dead-code/unused-pub-struct.stderr @@ -0,0 +1,14 @@ +error: struct `NeverConstructed` is never constructed + --> $DIR/unused-pub-struct.rs:6:12 + | +LL | pub struct NeverConstructed(i32); + | ^^^^^^^^^^^^^^^^ + | +note: the lint level is defined here + --> $DIR/unused-pub-struct.rs:1:9 + | +LL | #![deny(dead_code)] + | ^^^^^^^^^ + +error: aborting due to 1 previous error + diff --git a/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.fixed b/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.fixed index a851300a9828..e9c89807fa56 100644 --- a/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.fixed +++ b/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.fixed @@ -1,7 +1,8 @@ // Regression test for issues #100790 and #106439. //@ run-rustfix -pub struct Example(#[allow(dead_code)] usize) +#[allow(dead_code)] +pub struct Example(usize) where (): Sized; //~^^^ ERROR where clauses are not allowed before tuple struct bodies diff --git a/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.rs b/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.rs index 10f435859f15..3bd0f51ec2cb 100644 --- a/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.rs +++ b/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.rs @@ -1,10 +1,11 @@ // Regression test for issues #100790 and #106439. //@ run-rustfix +#[allow(dead_code)] pub struct Example where (): Sized, -(#[allow(dead_code)] usize); +(usize); //~^^^ ERROR where clauses are not allowed before tuple struct bodies struct _Demo diff --git a/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.stderr b/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.stderr index ddbf237e8662..77eafa6bea33 100644 --- a/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.stderr +++ b/tests/ui/parser/recover/recover-where-clause-before-tuple-struct-body-0.stderr @@ -1,23 +1,23 @@ error: where clauses are not allowed before tuple struct bodies - --> $DIR/recover-where-clause-before-tuple-struct-body-0.rs:5:1 + --> $DIR/recover-where-clause-before-tuple-struct-body-0.rs:6:1 | LL | pub struct Example | ------- while parsing this tuple struct LL | / where LL | | (): Sized, | |______________^ unexpected where clause -LL | (#[allow(dead_code)] usize); - | --------------------------- the struct body +LL | (usize); + | ------- the struct body | help: move the body before the where clause | -LL ~ pub struct Example(#[allow(dead_code)] usize) +LL ~ pub struct Example(usize) LL | where LL ~ (): Sized; | error: where clauses are not allowed before tuple struct bodies - --> $DIR/recover-where-clause-before-tuple-struct-body-0.rs:11:1 + --> $DIR/recover-where-clause-before-tuple-struct-body-0.rs:12:1 | LL | struct _Demo | ----- while parsing this tuple struct diff --git a/tests/ui/pub/pub-ident-struct-4.fixed b/tests/ui/pub/pub-ident-struct-4.fixed index 5fedbb724374..a62ece43eced 100644 --- a/tests/ui/pub/pub-ident-struct-4.fixed +++ b/tests/ui/pub/pub-ident-struct-4.fixed @@ -1,6 +1,7 @@ //@ run-rustfix -pub struct T(#[allow(dead_code)] String); +#[allow(dead_code)] +pub struct T(String); //~^ ERROR missing `struct` for struct definition fn main() {} diff --git a/tests/ui/pub/pub-ident-struct-4.rs b/tests/ui/pub/pub-ident-struct-4.rs index 5c721c25a781..0d56a31beaf1 100644 --- a/tests/ui/pub/pub-ident-struct-4.rs +++ b/tests/ui/pub/pub-ident-struct-4.rs @@ -1,6 +1,7 @@ //@ run-rustfix -pub T(#[allow(dead_code)] String); +#[allow(dead_code)] +pub T(String); //~^ ERROR missing `struct` for struct definition fn main() {} diff --git a/tests/ui/pub/pub-ident-struct-4.stderr b/tests/ui/pub/pub-ident-struct-4.stderr index 5fbb02c8673c..ec1367832113 100644 --- a/tests/ui/pub/pub-ident-struct-4.stderr +++ b/tests/ui/pub/pub-ident-struct-4.stderr @@ -1,12 +1,12 @@ error: missing `struct` for struct definition - --> $DIR/pub-ident-struct-4.rs:3:4 + --> $DIR/pub-ident-struct-4.rs:4:4 | -LL | pub T(#[allow(dead_code)] String); +LL | pub T(String); | ^ | help: add `struct` here to parse `T` as a public struct | -LL | pub struct T(#[allow(dead_code)] String); +LL | pub struct T(String); | ++++++ error: aborting due to 1 previous error diff --git a/tests/ui/regions/regions-issue-21422.rs b/tests/ui/regions/regions-issue-21422.rs index 54beed9b3ac2..67852a6f5de0 100644 --- a/tests/ui/regions/regions-issue-21422.rs +++ b/tests/ui/regions/regions-issue-21422.rs @@ -5,6 +5,7 @@ //@ pretty-expanded FIXME #23616 +#[allow(dead_code)] pub struct P<'a> { _ptr: *const &'a u8, } diff --git a/tests/ui/structs-enums/newtype-struct-with-dtor.rs b/tests/ui/structs-enums/newtype-struct-with-dtor.rs index 19672e41c9a3..16439a7fedd3 100644 --- a/tests/ui/structs-enums/newtype-struct-with-dtor.rs +++ b/tests/ui/structs-enums/newtype-struct-with-dtor.rs @@ -3,8 +3,10 @@ #![allow(unused_variables)] //@ pretty-expanded FIXME #23616 +#[allow(dead_code)] pub struct Fd(u32); +#[allow(dead_code)] fn foo(a: u32) {} impl Drop for Fd { diff --git a/tests/ui/structs-enums/uninstantiable-struct.rs b/tests/ui/structs-enums/uninstantiable-struct.rs index 97bc7d8414e7..1074dbcd6e6b 100644 --- a/tests/ui/structs-enums/uninstantiable-struct.rs +++ b/tests/ui/structs-enums/uninstantiable-struct.rs @@ -1,4 +1,5 @@ //@ run-pass -pub struct Z(#[allow(dead_code)] &'static Z); +#[allow(dead_code)] +pub struct Z(&'static Z); pub fn main() {} diff --git a/tests/ui/suggestions/derive-clone-for-eq.fixed b/tests/ui/suggestions/derive-clone-for-eq.fixed index 4dc362f94787..cf800c6e47d8 100644 --- a/tests/ui/suggestions/derive-clone-for-eq.fixed +++ b/tests/ui/suggestions/derive-clone-for-eq.fixed @@ -1,6 +1,7 @@ //@ run-rustfix // https://github.com/rust-lang/rust/issues/79076 +#[allow(dead_code)] #[derive(Clone, Eq)] //~ ERROR [E0277] pub struct Struct(T); diff --git a/tests/ui/suggestions/derive-clone-for-eq.rs b/tests/ui/suggestions/derive-clone-for-eq.rs index b3635000f165..84736426bac0 100644 --- a/tests/ui/suggestions/derive-clone-for-eq.rs +++ b/tests/ui/suggestions/derive-clone-for-eq.rs @@ -1,6 +1,7 @@ //@ run-rustfix // https://github.com/rust-lang/rust/issues/79076 +#[allow(dead_code)] #[derive(Clone, Eq)] //~ ERROR [E0277] pub struct Struct(T); diff --git a/tests/ui/suggestions/derive-clone-for-eq.stderr b/tests/ui/suggestions/derive-clone-for-eq.stderr index 6fae6e1316df..54670fbffcfb 100644 --- a/tests/ui/suggestions/derive-clone-for-eq.stderr +++ b/tests/ui/suggestions/derive-clone-for-eq.stderr @@ -1,11 +1,11 @@ error[E0277]: the trait bound `T: Clone` is not satisfied - --> $DIR/derive-clone-for-eq.rs:4:17 + --> $DIR/derive-clone-for-eq.rs:5:17 | LL | #[derive(Clone, Eq)] | ^^ the trait `Clone` is not implemented for `T`, which is required by `Struct: PartialEq` | note: required for `Struct` to implement `PartialEq` - --> $DIR/derive-clone-for-eq.rs:7:19 + --> $DIR/derive-clone-for-eq.rs:8:19 | LL | impl PartialEq for Struct | ----- ^^^^^^^^^^^^ ^^^^^^^^^ diff --git a/tests/ui/suggestions/option-content-move.fixed b/tests/ui/suggestions/option-content-move.fixed index 4a5a9483c20c..ef07d55871e7 100644 --- a/tests/ui/suggestions/option-content-move.fixed +++ b/tests/ui/suggestions/option-content-move.fixed @@ -1,4 +1,5 @@ //@ run-rustfix +#[allow(dead_code)] pub struct LipogramCorpora { selections: Vec<(char, Option)>, } @@ -17,6 +18,7 @@ impl LipogramCorpora { } } +#[allow(dead_code)] pub struct LipogramCorpora2 { selections: Vec<(char, Result)>, } diff --git a/tests/ui/suggestions/option-content-move.rs b/tests/ui/suggestions/option-content-move.rs index 90d05c743997..5be6358fd6a5 100644 --- a/tests/ui/suggestions/option-content-move.rs +++ b/tests/ui/suggestions/option-content-move.rs @@ -1,4 +1,5 @@ //@ run-rustfix +#[allow(dead_code)] pub struct LipogramCorpora { selections: Vec<(char, Option)>, } @@ -17,6 +18,7 @@ impl LipogramCorpora { } } +#[allow(dead_code)] pub struct LipogramCorpora2 { selections: Vec<(char, Result)>, } diff --git a/tests/ui/suggestions/option-content-move.stderr b/tests/ui/suggestions/option-content-move.stderr index a382a04344ae..b4ec5b180d21 100644 --- a/tests/ui/suggestions/option-content-move.stderr +++ b/tests/ui/suggestions/option-content-move.stderr @@ -1,5 +1,5 @@ error[E0507]: cannot move out of `selection.1` which is behind a shared reference - --> $DIR/option-content-move.rs:10:20 + --> $DIR/option-content-move.rs:11:20 | LL | if selection.1.unwrap().contains(selection.0) { | ^^^^^^^^^^^ -------- `selection.1` moved due to this method call @@ -19,7 +19,7 @@ LL | if selection.1.clone().unwrap().contains(selection.0) { | ++++++++ error[E0507]: cannot move out of `selection.1` which is behind a shared reference - --> $DIR/option-content-move.rs:28:20 + --> $DIR/option-content-move.rs:30:20 | LL | if selection.1.unwrap().contains(selection.0) { | ^^^^^^^^^^^ -------- `selection.1` moved due to this method call diff --git a/tests/ui/traits/object/generics.rs b/tests/ui/traits/object/generics.rs index 462b0bc5bb77..0ae562c0d30a 100644 --- a/tests/ui/traits/object/generics.rs +++ b/tests/ui/traits/object/generics.rs @@ -7,6 +7,7 @@ pub trait Trait2 { fn doit(&self) -> A; } +#[allow(dead_code)] pub struct Impl { m1: marker::PhantomData<(A1,A2,A3)>, /* From cdccf52c8aad1ef95ed9b11d2540a6d3faf087ba Mon Sep 17 00:00:00 2001 From: Chris Denton Date: Wed, 5 Jun 2024 15:25:42 +0000 Subject: [PATCH 1034/1716] Clarify our tier 1 Windows Server support --- src/doc/rustc/src/platform-support.md | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/src/doc/rustc/src/platform-support.md b/src/doc/rustc/src/platform-support.md index 77859956c95f..633c26a4f56c 100644 --- a/src/doc/rustc/src/platform-support.md +++ b/src/doc/rustc/src/platform-support.md @@ -33,12 +33,12 @@ All tier 1 targets with host tools support the full standard library. target | notes -------|------- `aarch64-unknown-linux-gnu` | ARM64 Linux (kernel 4.1, glibc 2.17+) -`i686-pc-windows-gnu` | 32-bit MinGW (Windows 10+) [^x86_32-floats-return-ABI] -`i686-pc-windows-msvc` | 32-bit MSVC (Windows 10+) [^x86_32-floats-return-ABI] +`i686-pc-windows-gnu` | 32-bit MinGW (Windows 10+, Windows Server 2016+) [^x86_32-floats-return-ABI] +`i686-pc-windows-msvc` | 32-bit MSVC (Windows 10+, Windows Server 2016+) [^x86_32-floats-return-ABI] `i686-unknown-linux-gnu` | 32-bit Linux (kernel 3.2+, glibc 2.17+) [^x86_32-floats-return-ABI] [`x86_64-apple-darwin`](platform-support/apple-darwin.md) | 64-bit macOS (10.12+, Sierra+) -`x86_64-pc-windows-gnu` | 64-bit MinGW (Windows 10+) -`x86_64-pc-windows-msvc` | 64-bit MSVC (Windows 10+) +`x86_64-pc-windows-gnu` | 64-bit MinGW (Windows 10+, Windows Server 2016+) +`x86_64-pc-windows-msvc` | 64-bit MSVC (Windows 10+, Windows Server 2016+) `x86_64-unknown-linux-gnu` | 64-bit Linux (kernel 3.2+, glibc 2.17+) [^x86_32-floats-return-ABI]: Due to limitations of the C ABI, floating-point support on `i686` targets is non-compliant: floating-point return values are passed via an x87 register, so NaN payload bits can be lost. See [issue #114479][x86-32-float-issue]. From 50b07aa89970369d2a25203b9426a47a9fec5fb4 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Thu, 14 Mar 2024 16:51:33 +0000 Subject: [PATCH 1035/1716] add reachability test for const bodies --- ...dont_codegen_private_const_fn_only_used_in_const_eval.rs | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/tests/codegen/dont_codegen_private_const_fn_only_used_in_const_eval.rs b/tests/codegen/dont_codegen_private_const_fn_only_used_in_const_eval.rs index eeeaebe52dd1..98ccf93fb5e3 100644 --- a/tests/codegen/dont_codegen_private_const_fn_only_used_in_const_eval.rs +++ b/tests/codegen/dont_codegen_private_const_fn_only_used_in_const_eval.rs @@ -8,3 +8,9 @@ const fn foo() {} pub static FOO: () = foo(); // CHECK-NOT: define{{.*}}foo{{.*}} + +const fn bar() {} + +pub const BAR: () = bar(); + +// CHECK: define{{.*}}bar{{.*}} From 22d0073d47e7f82b0943db94babe40420205eb6a Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Thu, 14 Mar 2024 17:19:06 +0000 Subject: [PATCH 1036/1716] Don't walk the bodies of free constants for reachability. --- .../rustc_middle/src/mir/interpret/queries.rs | 26 ++++++++++++++++--- compiler/rustc_passes/src/reachable.rs | 18 ++++++++++--- ...rivate_const_fn_only_used_in_const_eval.rs | 2 +- 3 files changed, 38 insertions(+), 8 deletions(-) diff --git a/compiler/rustc_middle/src/mir/interpret/queries.rs b/compiler/rustc_middle/src/mir/interpret/queries.rs index fe743fa4aac2..95857e8579d9 100644 --- a/compiler/rustc_middle/src/mir/interpret/queries.rs +++ b/compiler/rustc_middle/src/mir/interpret/queries.rs @@ -1,4 +1,6 @@ -use super::{ErrorHandled, EvalToConstValueResult, EvalToValTreeResult, GlobalId}; +use super::{ + ErrorHandled, EvalToAllocationRawResult, EvalToConstValueResult, EvalToValTreeResult, GlobalId, +}; use crate::mir; use crate::query::TyCtxtEnsure; @@ -13,7 +15,7 @@ use tracing::{debug, instrument}; impl<'tcx> TyCtxt<'tcx> { /// Evaluates a constant without providing any generic parameters. This is useful to evaluate consts - /// that can't take any generic arguments like statics, const items or enum discriminants. If a + /// that can't take any generic arguments like const items or enum discriminants. If a /// generic parameter is used within the constant `ErrorHandled::ToGeneric` will be returned. #[instrument(skip(self), level = "debug")] pub fn const_eval_poly(self, def_id: DefId) -> EvalToConstValueResult<'tcx> { @@ -27,6 +29,24 @@ impl<'tcx> TyCtxt<'tcx> { let param_env = self.param_env(def_id).with_reveal_all_normalized(self); self.const_eval_global_id(param_env, cid, DUMMY_SP) } + + /// Evaluates a constant without providing any generic parameters. This is useful to evaluate consts + /// that can't take any generic arguments like const items or enum discriminants. If a + /// generic parameter is used within the constant `ErrorHandled::ToGeneric` will be returned. + #[instrument(skip(self), level = "debug")] + pub fn const_eval_poly_to_alloc(self, def_id: DefId) -> EvalToAllocationRawResult<'tcx> { + // In some situations def_id will have generic parameters within scope, but they aren't allowed + // to be used. So we can't use `Instance::mono`, instead we feed unresolved generic parameters + // into `const_eval` which will return `ErrorHandled::ToGeneric` if any of them are + // encountered. + let args = GenericArgs::identity_for_item(self, def_id); + let instance = ty::Instance::new(def_id, args); + let cid = GlobalId { instance, promoted: None }; + let param_env = self.param_env(def_id).with_reveal_all_normalized(self); + let inputs = self.erase_regions(param_env.and(cid)); + self.eval_to_allocation_raw(inputs) + } + /// Resolves and evaluates a constant. /// /// The constant can be located on a trait like `::C`, in which case the given @@ -177,7 +197,7 @@ impl<'tcx> TyCtxt<'tcx> { impl<'tcx> TyCtxtEnsure<'tcx> { /// Evaluates a constant without providing any generic parameters. This is useful to evaluate consts - /// that can't take any generic arguments like statics, const items or enum discriminants. If a + /// that can't take any generic arguments like const items or enum discriminants. If a /// generic parameter is used within the constant `ErrorHandled::ToGeneric` will be returned. #[instrument(skip(self), level = "debug")] pub fn const_eval_poly(self, def_id: DefId) { diff --git a/compiler/rustc_passes/src/reachable.rs b/compiler/rustc_passes/src/reachable.rs index 954a1ab6560f..ee632ea5df3f 100644 --- a/compiler/rustc_passes/src/reachable.rs +++ b/compiler/rustc_passes/src/reachable.rs @@ -29,12 +29,12 @@ use rustc_hir::def::{DefKind, Res}; use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_hir::intravisit::{self, Visitor}; use rustc_hir::Node; -use rustc_middle::bug; use rustc_middle::middle::codegen_fn_attrs::{CodegenFnAttrFlags, CodegenFnAttrs}; use rustc_middle::middle::privacy::{self, Level}; -use rustc_middle::mir::interpret::{ConstAllocation, GlobalAlloc}; +use rustc_middle::mir::interpret::{ConstAllocation, ErrorHandled, GlobalAlloc}; use rustc_middle::query::Providers; use rustc_middle::ty::{self, ExistentialTraitRef, TyCtxt}; +use rustc_middle::{bug, span_bug}; use rustc_privacy::DefIdVisitor; use rustc_session::config::CrateType; use tracing::debug; @@ -209,8 +209,18 @@ impl<'tcx> ReachableContext<'tcx> { // Reachable constants will be inlined into other crates // unconditionally, so we need to make sure that their // contents are also reachable. - hir::ItemKind::Const(_, _, init) => { - self.visit_nested_body(init); + hir::ItemKind::Const(..) => { + match self.tcx.const_eval_poly_to_alloc(item.owner_id.def_id.into()) { + Ok(alloc) => { + let alloc = self.tcx.global_alloc(alloc.alloc_id).unwrap_memory(); + self.propagate_from_alloc(alloc); + } + Err(ErrorHandled::TooGeneric(span)) => span_bug!( + span, + "generic constants aren't implemented in reachability" + ), + Err(ErrorHandled::Reported(..)) => {} + } } hir::ItemKind::Static(..) => { if let Ok(alloc) = self.tcx.eval_static_initializer(item.owner_id.def_id) { diff --git a/tests/codegen/dont_codegen_private_const_fn_only_used_in_const_eval.rs b/tests/codegen/dont_codegen_private_const_fn_only_used_in_const_eval.rs index 98ccf93fb5e3..35071e238f33 100644 --- a/tests/codegen/dont_codegen_private_const_fn_only_used_in_const_eval.rs +++ b/tests/codegen/dont_codegen_private_const_fn_only_used_in_const_eval.rs @@ -13,4 +13,4 @@ const fn bar() {} pub const BAR: () = bar(); -// CHECK: define{{.*}}bar{{.*}} +// CHECK-NOT: define{{.*}}bar{{.*}} From a0358f44b33301e28070327eae7804a88a912b15 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Mon, 3 Jun 2024 15:32:13 +0000 Subject: [PATCH 1037/1716] Also support generic constants --- compiler/rustc_passes/src/reachable.rs | 18 +++++++++--------- ...private_const_fn_only_used_in_const_eval.rs | 11 +++++++++++ 2 files changed, 20 insertions(+), 9 deletions(-) diff --git a/compiler/rustc_passes/src/reachable.rs b/compiler/rustc_passes/src/reachable.rs index ee632ea5df3f..74b89546e6f9 100644 --- a/compiler/rustc_passes/src/reachable.rs +++ b/compiler/rustc_passes/src/reachable.rs @@ -29,12 +29,12 @@ use rustc_hir::def::{DefKind, Res}; use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_hir::intravisit::{self, Visitor}; use rustc_hir::Node; +use rustc_middle::bug; use rustc_middle::middle::codegen_fn_attrs::{CodegenFnAttrFlags, CodegenFnAttrs}; use rustc_middle::middle::privacy::{self, Level}; use rustc_middle::mir::interpret::{ConstAllocation, ErrorHandled, GlobalAlloc}; use rustc_middle::query::Providers; use rustc_middle::ty::{self, ExistentialTraitRef, TyCtxt}; -use rustc_middle::{bug, span_bug}; use rustc_privacy::DefIdVisitor; use rustc_session::config::CrateType; use tracing::debug; @@ -206,19 +206,19 @@ impl<'tcx> ReachableContext<'tcx> { } } - // Reachable constants will be inlined into other crates - // unconditionally, so we need to make sure that their - // contents are also reachable. - hir::ItemKind::Const(..) => { + hir::ItemKind::Const(_, _, init) => { + // Only things actually ending up in the final constant need to be reachable. + // Everything else is either already available as `mir_for_ctfe`, or can't be used + // by codegen anyway. match self.tcx.const_eval_poly_to_alloc(item.owner_id.def_id.into()) { Ok(alloc) => { let alloc = self.tcx.global_alloc(alloc.alloc_id).unwrap_memory(); self.propagate_from_alloc(alloc); } - Err(ErrorHandled::TooGeneric(span)) => span_bug!( - span, - "generic constants aren't implemented in reachability" - ), + // Reachable generic constants will be inlined into other crates + // unconditionally, so we need to make sure that their + // contents are also reachable. + Err(ErrorHandled::TooGeneric(_)) => self.visit_nested_body(init), Err(ErrorHandled::Reported(..)) => {} } } diff --git a/tests/codegen/dont_codegen_private_const_fn_only_used_in_const_eval.rs b/tests/codegen/dont_codegen_private_const_fn_only_used_in_const_eval.rs index 35071e238f33..df50b4af8098 100644 --- a/tests/codegen/dont_codegen_private_const_fn_only_used_in_const_eval.rs +++ b/tests/codegen/dont_codegen_private_const_fn_only_used_in_const_eval.rs @@ -3,6 +3,8 @@ //@compile-flags: --crate-type=lib -Copt-level=0 +#![feature(generic_const_items)] + const fn foo() {} pub static FOO: () = foo(); @@ -14,3 +16,12 @@ const fn bar() {} pub const BAR: () = bar(); // CHECK-NOT: define{{.*}}bar{{.*}} + +const fn baz() {} + +#[rustfmt::skip] +pub const BAZ: () = if C { + baz() +}; + +// CHECK: define{{.*}}baz{{.*}} From ae4ae1685c9fcdfd834736c6cbcd58ba13b3e8b9 Mon Sep 17 00:00:00 2001 From: Ana Hobden Date: Thu, 16 May 2024 13:10:17 -0700 Subject: [PATCH 1038/1716] Repair several riscv64gc-unknown-linux-gnu codegen tests Fix tests/codegen/riscv-abi/call-llvm-intrinsics.rs Fix tests/codegen/riscv-abi/riscv64-lp64d-abi.rs Fix tests/codegen/riscv-abi/riscv64-lp64f-lp64d-abi.rs On riscv64gc ignore tests/ui/debuginfo/debuginfo-emit-llvm-ir-and-split-debuginfo.rs Make tests/codegen/riscv-abi/riscv64-lp64d-abi.rs no_core Make tests/codegen/riscv-abi/riscv64-lp64f-lp64d-abi.rs no_core Set -O for tests/codegen/riscv-abi/riscv64-lp64d-abi.rs Set -O for tests/codegen/riscv-abi/riscv64-lp64f-lp64d-abi.rs --- .../codegen/riscv-abi/call-llvm-intrinsics.rs | 2 +- tests/codegen/riscv-abi/riscv64-lp64d-abi.rs | 27 ++++++++++++------- .../riscv-abi/riscv64-lp64f-lp64d-abi.rs | 23 +++++++++++----- ...uginfo-emit-llvm-ir-and-split-debuginfo.rs | 1 + 4 files changed, 36 insertions(+), 17 deletions(-) diff --git a/tests/codegen/riscv-abi/call-llvm-intrinsics.rs b/tests/codegen/riscv-abi/call-llvm-intrinsics.rs index c3f795e88576..e72a649a530a 100644 --- a/tests/codegen/riscv-abi/call-llvm-intrinsics.rs +++ b/tests/codegen/riscv-abi/call-llvm-intrinsics.rs @@ -23,7 +23,7 @@ pub fn do_call() { unsafe { // Ensure that we `call` LLVM intrinsics instead of trying to `invoke` them - // CHECK: store float 4.000000e+00, float* %{{.}}, align 4 + // CHECK: store float 4.000000e+00, ptr %{{.}}, align 4 // CHECK: call float @llvm.sqrt.f32(float %{{.}} sqrt(4.0); } diff --git a/tests/codegen/riscv-abi/riscv64-lp64d-abi.rs b/tests/codegen/riscv-abi/riscv64-lp64d-abi.rs index 060d91a2696a..bcd9b0eae71d 100644 --- a/tests/codegen/riscv-abi/riscv64-lp64d-abi.rs +++ b/tests/codegen/riscv-abi/riscv64-lp64d-abi.rs @@ -1,10 +1,19 @@ -// -//@ compile-flags: -C no-prepopulate-passes -//@ only-riscv64 -//@ only-linux -#![crate_type = "lib"] +//@ compile-flags: -O -C no-prepopulate-passes --target riscv64gc-unknown-linux-gnu +//@ needs-llvm-components: riscv -// CHECK: define void @f_fpr_tracking(double %0, double %1, double %2, double %3, double %4, double %5, double %6, double %7, i8 zeroext %i) +#![feature(no_core, lang_items)] +#![crate_type = "lib"] +#![no_std] +#![no_core] + +#[lang = "sized"] +trait Sized {} +#[lang = "freeze"] +trait Freeze {} +#[lang = "copy"] +trait Copy {} + +// CHECK: define void @f_fpr_tracking(double %0, double %1, double %2, double %3, double %4, double %5, double %6, double %7, i8 noundef zeroext %i) #[no_mangle] pub extern "C" fn f_fpr_tracking( a: f64, @@ -144,7 +153,7 @@ pub extern "C" fn f_ret_double_int64_s() -> DoubleInt64 { DoubleInt64 { f: 1., i: 2 } } -// CHECK: define void @f_double_int8_s_arg_insufficient_gprs(i32 signext %a, i32 signext %b, i32 signext %c, i32 signext %d, i32 signext %e, i32 signext %f, i32 signext %g, i32 signext %h, [2 x i64] %0) +// CHECK: define void @f_double_int8_s_arg_insufficient_gprs(i32 noundef signext %a, i32 noundef signext %b, i32 noundef signext %c, i32 noundef signext %d, i32 noundef signext %e, i32 noundef signext %f, i32 noundef signext %g, i32 noundef signext %h, [2 x i64] %0) #[no_mangle] pub extern "C" fn f_double_int8_s_arg_insufficient_gprs( a: i32, @@ -250,11 +259,11 @@ pub struct IntDoubleInt { c: i32, } -// CHECK: define void @f_int_double_int_s_arg(%IntDoubleInt* {{.*}}%a) +// CHECK: define void @f_int_double_int_s_arg(ptr {{.*}} %a) #[no_mangle] pub extern "C" fn f_int_double_int_s_arg(a: IntDoubleInt) {} -// CHECK: define void @f_ret_int_double_int_s(%IntDoubleInt* {{.*}}sret +// CHECK: define void @f_ret_int_double_int_s(ptr {{.*}} sret([24 x i8]) align 8 dereferenceable(24) %_0) #[no_mangle] pub extern "C" fn f_ret_int_double_int_s() -> IntDoubleInt { IntDoubleInt { a: 1, b: 2., c: 3 } diff --git a/tests/codegen/riscv-abi/riscv64-lp64f-lp64d-abi.rs b/tests/codegen/riscv-abi/riscv64-lp64f-lp64d-abi.rs index 3d0512817f7c..27018d2e6d20 100644 --- a/tests/codegen/riscv-abi/riscv64-lp64f-lp64d-abi.rs +++ b/tests/codegen/riscv-abi/riscv64-lp64f-lp64d-abi.rs @@ -1,10 +1,19 @@ -// -//@ compile-flags: -C no-prepopulate-passes -//@ only-riscv64 -//@ only-linux -#![crate_type = "lib"] +//@ compile-flags: -O -C no-prepopulate-passes --target riscv64gc-unknown-linux-gnu +//@ needs-llvm-components: riscv -// CHECK: define void @f_fpr_tracking(float %0, float %1, float %2, float %3, float %4, float %5, float %6, float %7, i8 zeroext %i) +#![feature(no_core, lang_items)] +#![crate_type = "lib"] +#![no_std] +#![no_core] + +#[lang = "sized"] +trait Sized {} +#[lang = "freeze"] +trait Freeze {} +#[lang = "copy"] +trait Copy {} + +// CHECK: define void @f_fpr_tracking(float %0, float %1, float %2, float %3, float %4, float %5, float %6, float %7, i8 noundef zeroext %i) #[no_mangle] pub extern "C" fn f_fpr_tracking( a: f32, @@ -128,7 +137,7 @@ pub extern "C" fn f_ret_float_int64_s() -> FloatInt64 { FloatInt64 { f: 1., i: 2 } } -// CHECK: define void @f_float_int8_s_arg_insufficient_gprs(i32 signext %a, i32 signext %b, i32 signext %c, i32 signext %d, i32 signext %e, i32 signext %f, i32 signext %g, i32 signext %h, i64 %0) +// CHECK: define void @f_float_int8_s_arg_insufficient_gprs(i32 noundef signext %a, i32 noundef signext %b, i32 noundef signext %c, i32 noundef signext %d, i32 noundef signext %e, i32 noundef signext %f, i32 noundef signext %g, i32 noundef signext %h, i64 %0) #[no_mangle] pub extern "C" fn f_float_int8_s_arg_insufficient_gprs( a: i32, diff --git a/tests/ui/debuginfo/debuginfo-emit-llvm-ir-and-split-debuginfo.rs b/tests/ui/debuginfo/debuginfo-emit-llvm-ir-and-split-debuginfo.rs index 861179650164..3322660d1a85 100644 --- a/tests/ui/debuginfo/debuginfo-emit-llvm-ir-and-split-debuginfo.rs +++ b/tests/ui/debuginfo/debuginfo-emit-llvm-ir-and-split-debuginfo.rs @@ -1,5 +1,6 @@ //@ build-pass //@ only-linux +//@ ignore-riscv64 On this platform `-Csplit-debuginfo=unpacked` is unstable, see #120518 // //@ compile-flags: -g --emit=llvm-ir -Csplit-debuginfo=unpacked // From 35e2027a35572af11b7d7965d0adf8807ab4b16e Mon Sep 17 00:00:00 2001 From: "Paul R. Tagliamonte" Date: Wed, 5 Jun 2024 14:11:56 -0400 Subject: [PATCH 1039/1716] Fix grammer for the Safety documentation check The original message ("unsafe function's docs miss `# Safety` section") reads quite awkwardly. I've changed it to "unsafe function's docs are missing a `# Safety` section" to have it read better. Signed-off-by: Paul R. Tagliamonte --- clippy_lints/src/doc/missing_headers.rs | 2 +- tests/ui-toml/private-doc-errors/doc_lints.rs | 2 +- tests/ui-toml/private-doc-errors/doc_lints.stderr | 2 +- tests/ui/doc_unsafe.stderr | 10 +++++----- 4 files changed, 8 insertions(+), 8 deletions(-) diff --git a/clippy_lints/src/doc/missing_headers.rs b/clippy_lints/src/doc/missing_headers.rs index 010fab803d99..e3d748407261 100644 --- a/clippy_lints/src/doc/missing_headers.rs +++ b/clippy_lints/src/doc/missing_headers.rs @@ -37,7 +37,7 @@ pub fn check( cx, MISSING_SAFETY_DOC, span, - "unsafe function's docs miss `# Safety` section", + "unsafe function's docs are missing a `# Safety` section", ), (true, Safety::Safe) => span_lint( cx, diff --git a/tests/ui-toml/private-doc-errors/doc_lints.rs b/tests/ui-toml/private-doc-errors/doc_lints.rs index ae4c3f84c296..79c8751468de 100644 --- a/tests/ui-toml/private-doc-errors/doc_lints.rs +++ b/tests/ui-toml/private-doc-errors/doc_lints.rs @@ -47,7 +47,7 @@ pub mod __macro { pub struct T; impl T { pub unsafe fn f() {} - //~^ ERROR: unsafe function's docs miss `# Safety` section + //~^ ERROR: unsafe function's docs are missing a `# Safety` section } } diff --git a/tests/ui-toml/private-doc-errors/doc_lints.stderr b/tests/ui-toml/private-doc-errors/doc_lints.stderr index 65ec1a7bebbf..a8ee09b9df78 100644 --- a/tests/ui-toml/private-doc-errors/doc_lints.stderr +++ b/tests/ui-toml/private-doc-errors/doc_lints.stderr @@ -51,7 +51,7 @@ note: the lint level is defined here LL | clippy::missing_panics_doc | ^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: unsafe function's docs miss `# Safety` section +error: unsafe function's docs are missing a `# Safety` section --> tests/ui-toml/private-doc-errors/doc_lints.rs:49:9 | LL | pub unsafe fn f() {} diff --git a/tests/ui/doc_unsafe.stderr b/tests/ui/doc_unsafe.stderr index 4fcbe716951f..929afbceb879 100644 --- a/tests/ui/doc_unsafe.stderr +++ b/tests/ui/doc_unsafe.stderr @@ -1,4 +1,4 @@ -error: unsafe function's docs miss `# Safety` section +error: unsafe function's docs are missing a `# Safety` section --> tests/ui/doc_unsafe.rs:9:1 | LL | pub unsafe fn destroy_the_planet() { @@ -7,13 +7,13 @@ LL | pub unsafe fn destroy_the_planet() { = note: `-D clippy::missing-safety-doc` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::missing_safety_doc)]` -error: unsafe function's docs miss `# Safety` section +error: unsafe function's docs are missing a `# Safety` section --> tests/ui/doc_unsafe.rs:32:5 | LL | pub unsafe fn republished() { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: unsafe function's docs miss `# Safety` section +error: unsafe function's docs are missing a `# Safety` section --> tests/ui/doc_unsafe.rs:40:5 | LL | unsafe fn woefully_underdocumented(self); @@ -25,13 +25,13 @@ error: docs for unsafe trait missing `# Safety` section LL | pub unsafe trait UnsafeTrait { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: unsafe function's docs miss `# Safety` section +error: unsafe function's docs are missing a `# Safety` section --> tests/ui/doc_unsafe.rs:76:5 | LL | pub unsafe fn more_undocumented_unsafe() -> Self { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: unsafe function's docs miss `# Safety` section +error: unsafe function's docs are missing a `# Safety` section --> tests/ui/doc_unsafe.rs:92:9 | LL | pub unsafe fn whee() { From 537f531b4ea648d4be0e53db00a5a6c15745bdac Mon Sep 17 00:00:00 2001 From: Daniel Paoliello Date: Fri, 10 May 2024 12:41:52 -0700 Subject: [PATCH 1040/1716] Promote `arm64ec-pc-windows-msvc` to tier 2 --- library/std/src/os/linux/raw.rs | 6 +++++- src/ci/github-actions/jobs.yml | 1 + src/doc/rustc/src/platform-support.md | 2 +- .../src/platform-support/arm64ec-pc-windows-msvc.md | 11 ++++++----- src/tools/build-manifest/src/main.rs | 1 + 5 files changed, 14 insertions(+), 7 deletions(-) diff --git a/library/std/src/os/linux/raw.rs b/library/std/src/os/linux/raw.rs index c29dd62bc06f..d53674d3c5f2 100644 --- a/library/std/src/os/linux/raw.rs +++ b/library/std/src/os/linux/raw.rs @@ -244,7 +244,11 @@ mod arch { pub use libc::{blkcnt_t, blksize_t, ino_t, nlink_t, off_t, stat, time_t}; } -#[cfg(target_arch = "aarch64")] +#[cfg(any( + target_arch = "aarch64", + // Arm64EC is Windows-only, but docs are always build as Linux, so re-use AArch64 for Arm64EC. + all(doc, target_arch = "arm64ec") +))] mod arch { use crate::os::raw::{c_int, c_long}; diff --git a/src/ci/github-actions/jobs.yml b/src/ci/github-actions/jobs.yml index ca86f3f0110e..44ac555831a4 100644 --- a/src/ci/github-actions/jobs.yml +++ b/src/ci/github-actions/jobs.yml @@ -421,6 +421,7 @@ auto: RUST_CONFIGURE_ARGS: >- --build=x86_64-pc-windows-msvc --host=aarch64-pc-windows-msvc + --target=aarch64-pc-windows-msvc,arm64ec-pc-windows-msvc --enable-full-tools --enable-profiler SCRIPT: python x.py dist bootstrap --include-default-paths diff --git a/src/doc/rustc/src/platform-support.md b/src/doc/rustc/src/platform-support.md index 77859956c95f..53a8ba6d3d53 100644 --- a/src/doc/rustc/src/platform-support.md +++ b/src/doc/rustc/src/platform-support.md @@ -146,6 +146,7 @@ target | std | notes [`arm-linux-androideabi`](platform-support/android.md) | ✓ | Armv6 Android `arm-unknown-linux-musleabi` | ✓ | Armv6 Linux with musl 1.2.3 `arm-unknown-linux-musleabihf` | ✓ | Armv6 Linux with musl 1.2.3, hardfloat +[`arm64ec-pc-windows-msvc`](platform-support/arm64ec-pc-windows-msvc.md) | ✓ | Arm64EC Windows MSVC [`armebv7r-none-eabi`](platform-support/armv7r-none-eabi.md) | * | Bare Armv7-R, Big Endian [`armebv7r-none-eabihf`](platform-support/armv7r-none-eabi.md) | * | Bare Armv7-R, Big Endian, hardfloat `armv5te-unknown-linux-gnueabi` | ✓ | Armv5TE Linux (kernel 4.4, glibc 2.23) @@ -240,7 +241,6 @@ target | std | host | notes -------|:---:|:----:|------- [`arm64e-apple-ios`](platform-support/arm64e-apple-ios.md) | ✓ | | ARM64e Apple iOS [`arm64e-apple-darwin`](platform-support/arm64e-apple-darwin.md) | ✓ | ✓ | ARM64e Apple Darwin -[`arm64ec-pc-windows-msvc`](platform-support/arm64ec-pc-windows-msvc.md) | ? | | Arm64EC Windows MSVC [`aarch64-apple-ios-macabi`](platform-support/apple-ios-macabi.md) | ✓ | | Apple Catalyst on ARM64 [`aarch64-apple-tvos`](platform-support/apple-tvos.md) | ✓ | | ARM64 tvOS [`aarch64-apple-tvos-sim`](platform-support/apple-tvos.md) | ✓ | | ARM64 tvOS Simulator diff --git a/src/doc/rustc/src/platform-support/arm64ec-pc-windows-msvc.md b/src/doc/rustc/src/platform-support/arm64ec-pc-windows-msvc.md index 2e8275358626..dcabd21a83eb 100644 --- a/src/doc/rustc/src/platform-support/arm64ec-pc-windows-msvc.md +++ b/src/doc/rustc/src/platform-support/arm64ec-pc-windows-msvc.md @@ -1,6 +1,6 @@ # `arm64ec-pc-windows-msvc` -**Tier: 3** +**Tier: 2** Arm64EC ("Emulation Compatible") for mixed architecture (AArch64 and x86_64) applications on AArch64 Windows 11. See . @@ -21,6 +21,9 @@ Only supported backend is LLVM 18 or above: * 18.1.4 fixed linking issue for some intrinsics implemented in `compiler_builtins`. +Visual Studio 2022 (or above) with the "ARM64/ARM64EC built tools" component and +the Windows 11 SDK are required. + ### Reusing code from other architectures - x86_64 or AArch64? Arm64EC uses `arm64ec` as its `target_arch`, but it is possible to reuse @@ -62,10 +65,8 @@ target = [ "arm64ec-pc-windows-msvc" ] ## Building Rust programs -Rust does not yet ship pre-compiled artifacts for this target. To compile for -this target, you will either need to build Rust with the target enabled (see -"Building the target" above), or build your own copy using `build-std` or -similar. +These targets are distributed through `rustup`, and otherwise require no +special configuration. ## Testing diff --git a/src/tools/build-manifest/src/main.rs b/src/tools/build-manifest/src/main.rs index bed76263b451..9f33e4312740 100644 --- a/src/tools/build-manifest/src/main.rs +++ b/src/tools/build-manifest/src/main.rs @@ -71,6 +71,7 @@ static TARGETS: &[&str] = &[ "arm-unknown-linux-gnueabihf", "arm-unknown-linux-musleabi", "arm-unknown-linux-musleabihf", + "arm64ec-pc-windows-msvc", "armv5te-unknown-linux-gnueabi", "armv5te-unknown-linux-musleabi", "armv7-linux-androideabi", From 743c41757c3211d989334b50b71df34279add5bb Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Olaf=20Siwi=C5=84ski?= Date: Wed, 5 Jun 2024 21:54:22 +0200 Subject: [PATCH 1041/1716] check_expr_struct_fields: taint context with errors if struct definition is malformed --- compiler/rustc_hir_typeck/src/expr.rs | 9 ++++++++ tests/crashes/124552.rs | 12 ---------- .../static/duplicated-fields-issue-124464.rs} | 6 ++++- .../duplicated-fields-issue-124464.stderr | 22 +++++++++++++++++++ .../static/duplicated-fields-issue-125842.rs | 21 ++++++++++++++++++ .../duplicated-fields-issue-125842.stderr | 11 ++++++++++ 6 files changed, 68 insertions(+), 13 deletions(-) delete mode 100644 tests/crashes/124552.rs rename tests/{crashes/124464.rs => ui/static/duplicated-fields-issue-124464.rs} (57%) create mode 100644 tests/ui/static/duplicated-fields-issue-124464.stderr create mode 100644 tests/ui/static/duplicated-fields-issue-125842.rs create mode 100644 tests/ui/static/duplicated-fields-issue-125842.stderr diff --git a/compiler/rustc_hir_typeck/src/expr.rs b/compiler/rustc_hir_typeck/src/expr.rs index 4cc936eed08c..7dd7b3ff055e 100644 --- a/compiler/rustc_hir_typeck/src/expr.rs +++ b/compiler/rustc_hir_typeck/src/expr.rs @@ -1671,6 +1671,15 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let mut error_happened = false; + if variant.fields.len() != remaining_fields.len() { + // Some field is defined more than once. Make sure we don't try to + // instantiate this struct in static/const context. + let guar = + self.dcx().span_delayed_bug(expr.span, "struct fields have non-unique names"); + self.set_tainted_by_errors(guar); + error_happened = true; + } + // Type-check each field. for (idx, field) in hir_fields.iter().enumerate() { let ident = tcx.adjust_ident(field.ident, variant.def_id); diff --git a/tests/crashes/124552.rs b/tests/crashes/124552.rs deleted file mode 100644 index 5320ce278430..000000000000 --- a/tests/crashes/124552.rs +++ /dev/null @@ -1,12 +0,0 @@ -//@ known-bug: rust-lang/rust#124552 - -struct B; - -struct Foo { - b: u32, - b: B, -} - -static BAR: Foo = Foo { b: B }; - -fn main() {} diff --git a/tests/crashes/124464.rs b/tests/ui/static/duplicated-fields-issue-124464.rs similarity index 57% rename from tests/crashes/124464.rs rename to tests/ui/static/duplicated-fields-issue-124464.rs index 471479f5cf1b..60609edbfebb 100644 --- a/tests/crashes/124464.rs +++ b/tests/ui/static/duplicated-fields-issue-124464.rs @@ -1,12 +1,16 @@ -//@ known-bug: rust-lang/rust #124464 +// Don't const eval fields with ambiguous layout. +// See issues #125842 and #124464. + enum TestOption { TestSome(T), TestSome(T), +//~^ ERROR the name `TestSome` is defined multiple times } pub struct Request { bar: TestOption, bar: u8, +//~^ ERROR field `bar` is already declared } fn default_instance() -> &'static Request { diff --git a/tests/ui/static/duplicated-fields-issue-124464.stderr b/tests/ui/static/duplicated-fields-issue-124464.stderr new file mode 100644 index 000000000000..a36192ae8d69 --- /dev/null +++ b/tests/ui/static/duplicated-fields-issue-124464.stderr @@ -0,0 +1,22 @@ +error[E0428]: the name `TestSome` is defined multiple times + --> $DIR/duplicated-fields-issue-124464.rs:6:5 + | +LL | TestSome(T), + | ----------- previous definition of the type `TestSome` here +LL | TestSome(T), + | ^^^^^^^^^^^ `TestSome` redefined here + | + = note: `TestSome` must be defined only once in the type namespace of this enum + +error[E0124]: field `bar` is already declared + --> $DIR/duplicated-fields-issue-124464.rs:12:5 + | +LL | bar: TestOption, + | -------------------- `bar` first declared here +LL | bar: u8, + | ^^^^^^^ field already declared + +error: aborting due to 2 previous errors + +Some errors have detailed explanations: E0124, E0428. +For more information about an error, try `rustc --explain E0124`. diff --git a/tests/ui/static/duplicated-fields-issue-125842.rs b/tests/ui/static/duplicated-fields-issue-125842.rs new file mode 100644 index 000000000000..580b810232e0 --- /dev/null +++ b/tests/ui/static/duplicated-fields-issue-125842.rs @@ -0,0 +1,21 @@ +// Do not try to evaluate static initalizers that reference +// ill-defined types. This used to be an ICE. +// See issues #125842 and #124464. +struct Struct { + field: Option, + field: u8, +//~^ ERROR field `field` is already declared +} + +static STATIC_A: Struct = Struct { + field: 1 +}; + +static STATIC_B: Struct = { + let field = 1; + Struct { + field, + } +}; + +fn main() {} diff --git a/tests/ui/static/duplicated-fields-issue-125842.stderr b/tests/ui/static/duplicated-fields-issue-125842.stderr new file mode 100644 index 000000000000..c80bb99005ee --- /dev/null +++ b/tests/ui/static/duplicated-fields-issue-125842.stderr @@ -0,0 +1,11 @@ +error[E0124]: field `field` is already declared + --> $DIR/duplicated-fields-issue-125842.rs:6:5 + | +LL | field: Option, + | ----------------- `field` first declared here +LL | field: u8, + | ^^^^^^^^^ field already declared + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0124`. From c0e25431478a0b621310b514022ccfae3dee1974 Mon Sep 17 00:00:00 2001 From: Josh Stone Date: Wed, 5 Jun 2024 13:20:17 -0700 Subject: [PATCH 1042/1716] Simplify the rayon calls in the installer Rayon's `try_for_each` makes the `CombinedEncoder` a lot simpler. --- src/tools/rust-installer/src/compression.rs | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) diff --git a/src/tools/rust-installer/src/compression.rs b/src/tools/rust-installer/src/compression.rs index 4e840dbfbb44..40c7c597e9b4 100644 --- a/src/tools/rust-installer/src/compression.rs +++ b/src/tools/rust-installer/src/compression.rs @@ -214,22 +214,16 @@ impl Write for CombinedEncoder { } fn write_all(&mut self, buf: &[u8]) -> std::io::Result<()> { - self.encoders - .par_iter_mut() - .map(|w| w.write_all(buf)) - .collect::>>()?; - Ok(()) + self.encoders.par_iter_mut().try_for_each(|w| w.write_all(buf)) } fn flush(&mut self) -> std::io::Result<()> { - self.encoders.par_iter_mut().map(|w| w.flush()).collect::>>()?; - Ok(()) + self.encoders.par_iter_mut().try_for_each(Write::flush) } } impl Encoder for CombinedEncoder { fn finish(self: Box) -> Result<(), Error> { - self.encoders.into_par_iter().map(|e| e.finish()).collect::, Error>>()?; - Ok(()) + self.encoders.into_par_iter().try_for_each(Encoder::finish) } } From 88e81bca9f83157afec49c4cddcdf25497cfe507 Mon Sep 17 00:00:00 2001 From: Daniel Hofstetter Date: Fri, 24 May 2024 17:09:21 +0200 Subject: [PATCH 1043/1716] Fix typos in cargo-specifics.md --- src/doc/rustc/src/check-cfg/cargo-specifics.md | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/src/doc/rustc/src/check-cfg/cargo-specifics.md b/src/doc/rustc/src/check-cfg/cargo-specifics.md index bfa601619261..e3b8b537c42c 100644 --- a/src/doc/rustc/src/check-cfg/cargo-specifics.md +++ b/src/doc/rustc/src/check-cfg/cargo-specifics.md @@ -8,7 +8,7 @@ be an implementation detail, at least --check-cfg and the unexpected_cfgs are ow rustc, not Cargo. --> -This document is intented to summarize the principal ways Cargo interacts with +This document is intended to summarize the principal ways Cargo interacts with the `unexpected_cfgs` lint and `--check-cfg` flag. It is not intended to provide individual details, for that refer to the [`--check-cfg` documentation](../check-cfg.md) and to the [Cargo book](../../cargo/index.html). @@ -37,11 +37,11 @@ implementation detail and is therefor not documented in Cargo, we therefor do th *See the [`[lints]` section in the Cargo book][cargo-lints-table] for more details.* -When using a staticlly known custom config (ie. not dependant on a build-script), Cargo provides +When using a statically known custom config (ie. not dependant on a build-script), Cargo provides the custom lint config `check-cfg` under `[lints.rust.unexpected_cfgs]`. It can be used to set custom static [`--check-cfg`](../check-cfg.md) args, it is mainly useful when -the list of expected cfgs is known is advance. +the list of expected cfgs is known in advance. `Cargo.toml`: ```toml From 964e88555ba6a9fc41d3a19e114b77ed5064bad9 Mon Sep 17 00:00:00 2001 From: Eric Huss Date: Wed, 5 Jun 2024 13:34:21 -0700 Subject: [PATCH 1044/1716] Fix some wording in cargo-specifics.md --- src/doc/rustc/src/check-cfg/cargo-specifics.md | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/src/doc/rustc/src/check-cfg/cargo-specifics.md b/src/doc/rustc/src/check-cfg/cargo-specifics.md index e3b8b537c42c..bd4bebbc874a 100644 --- a/src/doc/rustc/src/check-cfg/cargo-specifics.md +++ b/src/doc/rustc/src/check-cfg/cargo-specifics.md @@ -3,7 +3,7 @@ @@ -17,7 +17,7 @@ to the [Cargo book](../../cargo/index.html). *See the [`[features]` section in the Cargo book][cargo-features] for more details.* -With the `[features]` table Cargo provides a mechanism to express conditional compilation and +With the `[features]` table, Cargo provides a mechanism to express conditional compilation and optional dependencies. Cargo *automatically* declares corresponding cfgs for every feature as expected. @@ -32,12 +32,12 @@ my_feature = [] ## `check-cfg` in `[lints.rust]` table - + *See the [`[lints]` section in the Cargo book][cargo-lints-table] for more details.* -When using a statically known custom config (ie. not dependant on a build-script), Cargo provides +When using a statically known custom config (i.e., not dependent on a build-script), Cargo provides the custom lint config `check-cfg` under `[lints.rust.unexpected_cfgs]`. It can be used to set custom static [`--check-cfg`](../check-cfg.md) args, it is mainly useful when From 58feec9b85a18d26507dfe6d075fd128a1265888 Mon Sep 17 00:00:00 2001 From: Boxy Date: Mon, 3 Jun 2024 01:10:24 +0100 Subject: [PATCH 1045/1716] Basic removal of `Ty` from places (boring) --- .../src/type_check/relate_tys.rs | 4 +- .../src/debuginfo/type_names.rs | 3 +- .../src/check/compare_impl_item.rs | 3 - compiler/rustc_hir_analysis/src/collect.rs | 12 +- .../src/collect/predicates_of.rs | 2 +- .../src/hir_ty_lowering/bounds.rs | 6 +- .../src/hir_ty_lowering/mod.rs | 47 +++--- .../src/hir_ty_lowering/object_safety.rs | 3 +- compiler/rustc_hir_typeck/src/demand.rs | 2 +- .../rustc_hir_typeck/src/fn_ctxt/_impl.rs | 14 +- compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs | 9 +- .../rustc_hir_typeck/src/method/confirm.rs | 11 +- .../rustc_hir_typeck/src/method/suggest.rs | 4 +- compiler/rustc_hir_typeck/src/writeback.rs | 2 +- .../src/infer/canonical/canonicalizer.rs | 27 ++-- .../src/infer/canonical/instantiate.rs | 2 +- .../rustc_infer/src/infer/canonical/mod.rs | 11 +- .../infer/error_reporting/need_type_info.rs | 4 +- compiler/rustc_infer/src/infer/freshen.rs | 7 +- compiler/rustc_infer/src/infer/mod.rs | 53 ++----- .../src/infer/relate/generalize.rs | 8 +- .../src/infer/relate/higher_ranked.rs | 3 +- .../rustc_infer/src/infer/snapshot/fudge.rs | 2 +- compiler/rustc_middle/src/mir/consts.rs | 28 ++-- .../rustc_middle/src/ty/abstract_const.rs | 2 +- compiler/rustc_middle/src/ty/codec.rs | 4 +- compiler/rustc_middle/src/ty/consts.rs | 144 ++++++------------ compiler/rustc_middle/src/ty/context.rs | 51 +++---- compiler/rustc_middle/src/ty/flags.rs | 5 +- compiler/rustc_middle/src/ty/fold.rs | 20 ++- compiler/rustc_middle/src/ty/generic_args.rs | 6 +- compiler/rustc_middle/src/ty/generics.rs | 12 +- compiler/rustc_middle/src/ty/layout.rs | 4 +- compiler/rustc_middle/src/ty/mod.rs | 4 +- compiler/rustc_middle/src/ty/opaque_types.rs | 2 +- compiler/rustc_middle/src/ty/print/pretty.rs | 4 +- compiler/rustc_middle/src/ty/relate.rs | 13 +- .../rustc_middle/src/ty/structural_impls.rs | 19 +-- compiler/rustc_middle/src/ty/walk.rs | 25 ++- .../src/build/expr/as_constant.rs | 6 +- .../src/canonicalizer.rs | 50 +----- .../rustc_next_trait_solver/src/resolve.rs | 7 +- .../src/cfi/typeid/itanium_cxx_abi/encode.rs | 11 +- .../rustc_smir/src/rustc_smir/convert/ty.rs | 5 +- compiler/rustc_symbol_mangling/src/legacy.rs | 11 +- compiler/rustc_symbol_mangling/src/v0.rs | 16 +- .../src/solve/eval_ctxt/canonical.rs | 2 +- .../src/solve/eval_ctxt/mod.rs | 14 +- .../src/solve/inspect/analyse.rs | 2 +- .../rustc_trait_selection/src/solve/mod.rs | 5 +- .../src/solve/normalize.rs | 9 +- .../src/solve/normalizes_to/anon_const.rs | 4 - .../src/solve/normalizes_to/mod.rs | 9 +- .../src/traits/auto_trait.rs | 3 +- .../src/traits/coherence.rs | 1 - .../src/traits/const_evaluatable.rs | 4 +- .../error_reporting/type_err_ctxt_ext.rs | 3 +- .../src/traits/fulfill.rs | 4 +- .../rustc_trait_selection/src/traits/mod.rs | 2 +- .../src/traits/project.rs | 20 +-- .../src/traits/select/confirmation.rs | 3 - .../src/traits/select/mod.rs | 5 +- .../rustc_trait_selection/src/traits/util.rs | 4 +- compiler/rustc_transmute/src/lib.rs | 3 +- compiler/rustc_ty_utils/src/consts.rs | 41 ++--- compiler/rustc_type_ir/src/canonical.rs | 55 +++---- compiler/rustc_type_ir/src/debug.rs | 4 +- compiler/rustc_type_ir/src/fold.rs | 2 +- compiler/rustc_type_ir/src/infcx.rs | 7 +- compiler/rustc_type_ir/src/inherent.rs | 17 +-- compiler/rustc_type_ir/src/predicate.rs | 1 - 71 files changed, 331 insertions(+), 581 deletions(-) diff --git a/compiler/rustc_borrowck/src/type_check/relate_tys.rs b/compiler/rustc_borrowck/src/type_check/relate_tys.rs index cbd8a4125cd3..9863c4a38832 100644 --- a/compiler/rustc_borrowck/src/type_check/relate_tys.rs +++ b/compiler/rustc_borrowck/src/type_check/relate_tys.rs @@ -193,7 +193,7 @@ impl<'me, 'bccx, 'tcx> NllTypeRelating<'me, 'bccx, 'tcx> { types: &mut |_bound_ty: ty::BoundTy| { unreachable!("we only replace regions in nll_relate, not types") }, - consts: &mut |_bound_var: ty::BoundVar, _ty| { + consts: &mut |_bound_var: ty::BoundVar| { unreachable!("we only replace regions in nll_relate, not consts") }, }; @@ -231,7 +231,7 @@ impl<'me, 'bccx, 'tcx> NllTypeRelating<'me, 'bccx, 'tcx> { types: &mut |_bound_ty: ty::BoundTy| { unreachable!("we only replace regions in nll_relate, not types") }, - consts: &mut |_bound_var: ty::BoundVar, _ty| { + consts: &mut |_bound_var: ty::BoundVar| { unreachable!("we only replace regions in nll_relate, not consts") }, }; diff --git a/compiler/rustc_codegen_ssa/src/debuginfo/type_names.rs b/compiler/rustc_codegen_ssa/src/debuginfo/type_names.rs index 2360cce55a99..2783ffc49a81 100644 --- a/compiler/rustc_codegen_ssa/src/debuginfo/type_names.rs +++ b/compiler/rustc_codegen_ssa/src/debuginfo/type_names.rs @@ -693,7 +693,8 @@ fn push_const_param<'tcx>(tcx: TyCtxt<'tcx>, ct: ty::Const<'tcx>, output: &mut S ty::ConstKind::Param(param) => { write!(output, "{}", param.name) } - _ => match ct.ty().kind() { + // THISPR + _ => match { todo!() as Ty<'tcx> }.kind() { ty::Int(ity) => { let bits = ct.eval_bits(tcx, ty::ParamEnv::reveal_all()); let val = Integer::from_int_ty(&tcx, *ity).size().sign_extend(bits) as i128; diff --git a/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs b/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs index 74dcd672578e..82b57cdd1069 100644 --- a/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs +++ b/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs @@ -2198,9 +2198,6 @@ fn param_env_with_gat_bounds<'tcx>( tcx, ty::INNERMOST, ty::BoundVar::from_usize(bound_vars.len() - 1), - tcx.type_of(param.def_id) - .no_bound_vars() - .expect("const parameter types cannot be generic"), ) .into() } diff --git a/compiler/rustc_hir_analysis/src/collect.rs b/compiler/rustc_hir_analysis/src/collect.rs index d84dcb78ad2e..092d2d304c38 100644 --- a/compiler/rustc_hir_analysis/src/collect.rs +++ b/compiler/rustc_hir_analysis/src/collect.rs @@ -396,16 +396,8 @@ impl<'tcx> HirTyLowerer<'tcx> for ItemCtxt<'tcx> { Ty::new_error_with_message(self.tcx(), span, "bad placeholder type") } - fn ct_infer(&self, ty: Ty<'tcx>, _: Option<&ty::GenericParamDef>, span: Span) -> Const<'tcx> { - let ty = self.tcx.fold_regions(ty, |r, _| match *r { - rustc_type_ir::RegionKind::ReStatic => r, - - // This is never reached in practice. If it ever is reached, - // `ReErased` should be changed to `ReStatic`, and any other region - // left alone. - r => bug!("unexpected region: {r:?}"), - }); - ty::Const::new_error_with_message(self.tcx(), ty, span, "bad placeholder constant") + fn ct_infer(&self, _: Option<&ty::GenericParamDef>, span: Span) -> Const<'tcx> { + ty::Const::new_error_with_message(self.tcx(), span, "bad placeholder constant") } fn probe_ty_param_bounds( diff --git a/compiler/rustc_hir_analysis/src/collect/predicates_of.rs b/compiler/rustc_hir_analysis/src/collect/predicates_of.rs index 913fae6b5b69..40204961e9c4 100644 --- a/compiler/rustc_hir_analysis/src/collect/predicates_of.rs +++ b/compiler/rustc_hir_analysis/src/collect/predicates_of.rs @@ -196,7 +196,7 @@ fn gather_explicit_predicates_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::Gen .type_of(param.def_id.to_def_id()) .no_bound_vars() .expect("const parameters cannot be generic"); - let ct = icx.lowerer().lower_const_param(param.hir_id, ct_ty); + let ct = icx.lowerer().lower_const_param(param.hir_id); predicates .insert((ty::ClauseKind::ConstArgHasType(ct, ct_ty).upcast(tcx), param.span)); } diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/bounds.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/bounds.rs index 73ce577907eb..7f6f57907c28 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/bounds.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/bounds.rs @@ -368,11 +368,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { }, ) }); - let ty = tcx - .type_of(param.def_id) - .no_bound_vars() - .expect("ct params cannot have early bound vars"); - ty::Const::new_error(tcx, guar, ty).into() + ty::Const::new_error(tcx, guar).into() } }; num_bound_vars += 1; diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs index 9b8edbc10ad8..0dee904c5a2d 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs @@ -111,12 +111,7 @@ pub trait HirTyLowerer<'tcx> { fn ty_infer(&self, param: Option<&ty::GenericParamDef>, span: Span) -> Ty<'tcx>; /// Returns the const to use when a const is omitted. - fn ct_infer( - &self, - ty: Ty<'tcx>, - param: Option<&ty::GenericParamDef>, - span: Span, - ) -> Const<'tcx>; + fn ct_infer(&self, param: Option<&ty::GenericParamDef>, span: Span) -> Const<'tcx>; /// Probe bounds in scope where the bounded type coincides with the given type parameter. /// @@ -439,7 +434,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { fn provided_kind( &mut self, - preceding_args: &[ty::GenericArg<'tcx>], + _preceding_args: &[ty::GenericArg<'tcx>], param: &ty::GenericParamDef, arg: &GenericArg<'tcx>, ) -> ty::GenericArg<'tcx> { @@ -447,7 +442,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { if let Err(incorrect) = self.incorrect_args { if incorrect.invalid_args.contains(&(param.index as usize)) { - return param.to_error(tcx, preceding_args); + return param.to_error(tcx); } } @@ -487,12 +482,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { ty::Const::from_anon_const(tcx, did).into() } (&GenericParamDefKind::Const { .. }, hir::GenericArg::Infer(inf)) => { - let ty = tcx - .at(self.span) - .type_of(param.def_id) - .no_bound_vars() - .expect("const parameter types cannot be generic"); - self.lowerer.ct_infer(ty, Some(param), inf.span).into() + self.lowerer.ct_infer(Some(param), inf.span).into() } (kind, arg) => span_bug!( self.span, @@ -511,7 +501,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { if let Err(incorrect) = self.incorrect_args { if incorrect.invalid_args.contains(&(param.index as usize)) { - return param.to_error(tcx, preceding_args); + return param.to_error(tcx); } } match param.kind { @@ -548,7 +538,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { .no_bound_vars() .expect("const parameter types cannot be generic"); if let Err(guar) = ty.error_reported() { - return ty::Const::new_error(tcx, guar, ty).into(); + return ty::Const::new_error(tcx, guar).into(); } // FIXME(effects) see if we should special case effect params here if !infer_args && has_default { @@ -557,10 +547,10 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { .into() } else { if infer_args { - self.lowerer.ct_infer(ty, Some(param), self.span).into() + self.lowerer.ct_infer(Some(param), self.span).into() } else { // We've already errored above about the mismatch. - ty::Const::new_misc_error(tcx, ty).into() + ty::Const::new_misc_error(tcx).into() } } } @@ -1908,7 +1898,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { /// /// Early-bound const parameters get lowered to [`ty::ConstKind::Param`] /// and late-bound ones to [`ty::ConstKind::Bound`]. - pub(crate) fn lower_const_param(&self, hir_id: HirId, param_ty: Ty<'tcx>) -> Const<'tcx> { + pub(crate) fn lower_const_param(&self, hir_id: HirId) -> Const<'tcx> { let tcx = self.tcx(); match tcx.named_bound_var(hir_id) { Some(rbv::ResolvedArg::EarlyBound(def_id)) => { @@ -1918,12 +1908,12 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { let generics = tcx.generics_of(item_def_id); let index = generics.param_def_id_to_index[&def_id]; let name = tcx.item_name(def_id); - ty::Const::new_param(tcx, ty::ParamConst::new(index, name), param_ty) + ty::Const::new_param(tcx, ty::ParamConst::new(index, name)) } Some(rbv::ResolvedArg::LateBound(debruijn, index, _)) => { - ty::Const::new_bound(tcx, debruijn, ty::BoundVar::from_u32(index), param_ty) + ty::Const::new_bound(tcx, debruijn, ty::BoundVar::from_u32(index)) } - Some(rbv::ResolvedArg::Error(guar)) => ty::Const::new_error(tcx, guar, param_ty), + Some(rbv::ResolvedArg::Error(guar)) => ty::Const::new_error(tcx, guar), arg => bug!("unexpected bound var resolution for {:?}: {arg:?}", hir_id), } } @@ -2139,7 +2129,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { } hir::TyKind::Array(ty, length) => { let length = match length { - hir::ArrayLen::Infer(inf) => self.ct_infer(tcx.types.usize, None, inf.span), + hir::ArrayLen::Infer(inf) => self.ct_infer(None, inf.span), hir::ArrayLen::Body(constant) => { ty::Const::from_anon_const(tcx, constant.def_id) } @@ -2177,7 +2167,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { match tcx.lit_to_const(lit_input) { Ok(c) => c, Err(LitToConstError::Reported(err)) => { - ty::Const::new_error(tcx, err, ty) + ty::Const::new_error(tcx, err) } Err(LitToConstError::TypeError) => todo!(), } @@ -2198,19 +2188,20 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { .type_of(def_id) .no_bound_vars() .expect("const parameter types cannot be generic"); - self.lower_const_param(expr.hir_id, ty) + self.lower_const_param(expr.hir_id) } _ => { let err = tcx .dcx() .emit_err(crate::errors::NonConstRange { span: expr.span }); - ty::Const::new_error(tcx, err, ty) + ty::Const::new_error(tcx, err) } }; - self.record_ty(expr.hir_id, c.ty(), expr.span); + // THISPR + self.record_ty(expr.hir_id, todo!(), expr.span); if let Some((id, span)) = neg { - self.record_ty(id, c.ty(), span); + self.record_ty(id, todo!(), span); } c }; diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/object_safety.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/object_safety.rs index b9c5ae0c65b5..ed1749ea14f0 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/object_safety.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/object_safety.rs @@ -144,7 +144,8 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { let references_self = match pred.skip_binder().term.unpack() { ty::TermKind::Ty(ty) => ty.walk().any(|arg| arg == dummy_self.into()), ty::TermKind::Const(c) => { - c.ty().walk().any(|arg| arg == dummy_self.into()) + // THISPR + false } }; diff --git a/compiler/rustc_hir_typeck/src/demand.rs b/compiler/rustc_hir_typeck/src/demand.rs index fa147f9bfcfe..5d30b2a71e09 100644 --- a/compiler/rustc_hir_typeck/src/demand.rs +++ b/compiler/rustc_hir_typeck/src/demand.rs @@ -350,7 +350,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { lt_op: |_| self.tcx.lifetimes.re_erased, ct_op: |ct| { if let ty::ConstKind::Infer(_) = ct.kind() { - self.next_const_var(ct.ty(), DUMMY_SP) + self.next_const_var(DUMMY_SP) } else { ct } diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs index 084639ad40c0..616ce1f5b06d 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs @@ -436,7 +436,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { pub fn lower_array_length(&self, length: &hir::ArrayLen<'tcx>) -> ty::Const<'tcx> { match length { - hir::ArrayLen::Infer(inf) => self.ct_infer(self.tcx.types.usize, None, inf.span), + hir::ArrayLen::Infer(inf) => self.ct_infer(None, inf.span), hir::ArrayLen::Body(anon_const) => { let span = self.tcx.def_span(anon_const.def_id); let c = ty::Const::from_anon_const(self.tcx, anon_const.def_id); @@ -1292,20 +1292,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { &GenericParamDefKind::Const { has_default, is_host_effect }, GenericArg::Infer(inf), ) => { - let tcx = self.fcx.tcx(); - if has_default && is_host_effect { self.fcx.var_for_effect(param) } else { - self.fcx - .ct_infer( - tcx.type_of(param.def_id) - .no_bound_vars() - .expect("const parameter types cannot be generic"), - Some(param), - inf.span, - ) - .into() + self.fcx.ct_infer(Some(param), inf.span).into() } } _ => unreachable!(), diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs index b9ff348c42ff..f02b0f953900 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs @@ -237,12 +237,7 @@ impl<'tcx> HirTyLowerer<'tcx> for FnCtxt<'_, 'tcx> { } } - fn ct_infer( - &self, - ty: Ty<'tcx>, - param: Option<&ty::GenericParamDef>, - span: Span, - ) -> Const<'tcx> { + fn ct_infer(&self, param: Option<&ty::GenericParamDef>, span: Span) -> Const<'tcx> { // FIXME ideally this shouldn't use unwrap match param { Some( @@ -252,7 +247,7 @@ impl<'tcx> HirTyLowerer<'tcx> for FnCtxt<'_, 'tcx> { }, ) => self.var_for_effect(param).as_const().unwrap(), Some(param) => self.var_for_def(span, param).as_const().unwrap(), - None => self.next_const_var(ty, span), + None => self.next_const_var(span), } } diff --git a/compiler/rustc_hir_typeck/src/method/confirm.rs b/compiler/rustc_hir_typeck/src/method/confirm.rs index 949b92410053..3c9a49e91a3f 100644 --- a/compiler/rustc_hir_typeck/src/method/confirm.rs +++ b/compiler/rustc_hir_typeck/src/method/confirm.rs @@ -406,16 +406,7 @@ impl<'a, 'tcx> ConfirmContext<'a, 'tcx> { self.cfcx.ty_infer(Some(param), inf.span).into() } (GenericParamDefKind::Const { .. }, GenericArg::Infer(inf)) => { - let tcx = self.cfcx.tcx(); - self.cfcx - .ct_infer( - tcx.type_of(param.def_id) - .no_bound_vars() - .expect("const parameter types cannot be generic"), - Some(param), - inf.span, - ) - .into() + self.cfcx.ct_infer(Some(param), inf.span).into() } (kind, arg) => { bug!("mismatched method arg kind {kind:?} in turbofish: {arg:?}") diff --git a/compiler/rustc_hir_typeck/src/method/suggest.rs b/compiler/rustc_hir_typeck/src/method/suggest.rs index b3947e142b26..c1e14f7fb753 100644 --- a/compiler/rustc_hir_typeck/src/method/suggest.rs +++ b/compiler/rustc_hir_typeck/src/method/suggest.rs @@ -2096,9 +2096,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { .next_region_var(RegionVariableOrigin::MiscVariable(DUMMY_SP)) .into(), GenericArgKind::Type(_) => self.next_ty_var(DUMMY_SP).into(), - GenericArgKind::Const(arg) => { - self.next_const_var(arg.ty(), DUMMY_SP).into() - } + GenericArgKind::Const(_) => self.next_const_var(DUMMY_SP).into(), } } else { arg diff --git a/compiler/rustc_hir_typeck/src/writeback.rs b/compiler/rustc_hir_typeck/src/writeback.rs index e337105f0110..8727c0f87dc8 100644 --- a/compiler/rustc_hir_typeck/src/writeback.rs +++ b/compiler/rustc_hir_typeck/src/writeback.rs @@ -863,7 +863,7 @@ impl<'cx, 'tcx> TypeFolder> for Resolver<'cx, 'tcx> { fn fold_const(&mut self, ct: ty::Const<'tcx>) -> ty::Const<'tcx> { self.handle_term(ct, ty::Const::outer_exclusive_binder, |tcx, guar| { - ty::Const::new_error(tcx, guar, ct.ty()) + ty::Const::new_error(tcx, guar) }) .super_fold_with(self) } diff --git a/compiler/rustc_infer/src/infer/canonical/canonicalizer.rs b/compiler/rustc_infer/src/infer/canonical/canonicalizer.rs index 27b06c4b73e9..bc2592b43f3d 100644 --- a/compiler/rustc_infer/src/infer/canonical/canonicalizer.rs +++ b/compiler/rustc_infer/src/infer/canonical/canonicalizer.rs @@ -462,7 +462,7 @@ impl<'cx, 'tcx> TypeFolder> for Canonicalizer<'cx, 'tcx> { // any equated inference vars correctly! let root_vid = self.infcx.unwrap().root_const_var(vid); if root_vid != vid { - ct = ty::Const::new_var(self.tcx, root_vid, ct.ty()); + ct = ty::Const::new_var(self.tcx, root_vid); vid = root_vid; } @@ -481,7 +481,7 @@ impl<'cx, 'tcx> TypeFolder> for Canonicalizer<'cx, 'tcx> { ui = ty::UniverseIndex::ROOT; } return self.canonicalize_const_var( - CanonicalVarInfo { kind: CanonicalVarKind::Const(ui, ct.ty()) }, + CanonicalVarInfo { kind: CanonicalVarKind::Const(ui) }, ct, ); } @@ -510,9 +510,7 @@ impl<'cx, 'tcx> TypeFolder> for Canonicalizer<'cx, 'tcx> { } ty::ConstKind::Placeholder(placeholder) => { return self.canonicalize_const_var( - CanonicalVarInfo { - kind: CanonicalVarKind::PlaceholderConst(placeholder, ct.ty()), - }, + CanonicalVarInfo { kind: CanonicalVarKind::PlaceholderConst(placeholder) }, ct, ); } @@ -719,9 +717,7 @@ impl<'cx, 'tcx> Canonicalizer<'cx, 'tcx> { CanonicalVarKind::Region(u) => { CanonicalVarKind::Region(reverse_universe_map[&u]) } - CanonicalVarKind::Const(u, t) => { - CanonicalVarKind::Const(reverse_universe_map[&u], t) - } + CanonicalVarKind::Const(u) => CanonicalVarKind::Const(reverse_universe_map[&u]), CanonicalVarKind::PlaceholderTy(placeholder) => { CanonicalVarKind::PlaceholderTy(ty::Placeholder { universe: reverse_universe_map[&placeholder.universe], @@ -734,14 +730,11 @@ impl<'cx, 'tcx> Canonicalizer<'cx, 'tcx> { ..placeholder }) } - CanonicalVarKind::PlaceholderConst(placeholder, t) => { - CanonicalVarKind::PlaceholderConst( - ty::Placeholder { - universe: reverse_universe_map[&placeholder.universe], - ..placeholder - }, - t, - ) + CanonicalVarKind::PlaceholderConst(placeholder) => { + CanonicalVarKind::PlaceholderConst(ty::Placeholder { + universe: reverse_universe_map[&placeholder.universe], + ..placeholder + }) } }, }) @@ -806,6 +799,6 @@ impl<'cx, 'tcx> Canonicalizer<'cx, 'tcx> { !self.infcx.is_some_and(|infcx| const_var != infcx.shallow_resolve_const(const_var)) ); let var = self.canonical_var(info, const_var.into()); - ty::Const::new_bound(self.tcx, self.binder_index, var, self.fold_ty(const_var.ty())) + ty::Const::new_bound(self.tcx, self.binder_index, var) } } diff --git a/compiler/rustc_infer/src/infer/canonical/instantiate.rs b/compiler/rustc_infer/src/infer/canonical/instantiate.rs index de0e15ef3def..153de3d4c09d 100644 --- a/compiler/rustc_infer/src/infer/canonical/instantiate.rs +++ b/compiler/rustc_infer/src/infer/canonical/instantiate.rs @@ -70,7 +70,7 @@ where GenericArgKind::Type(ty) => ty, r => bug!("{:?} is a type but value is {:?}", bound_ty, r), }, - consts: &mut |bound_ct: ty::BoundVar, _| match var_values[bound_ct].unpack() { + consts: &mut |bound_ct: ty::BoundVar| match var_values[bound_ct].unpack() { GenericArgKind::Const(ct) => ct, c => bug!("{:?} is a const but value is {:?}", bound_ct, c), }, diff --git a/compiler/rustc_infer/src/infer/canonical/mod.rs b/compiler/rustc_infer/src/infer/canonical/mod.rs index 1abb8086d41c..8ad4f7926cad 100644 --- a/compiler/rustc_infer/src/infer/canonical/mod.rs +++ b/compiler/rustc_infer/src/infer/canonical/mod.rs @@ -143,8 +143,8 @@ impl<'tcx> InferCtxt<'tcx> { ty::Region::new_placeholder(self.tcx, placeholder_mapped).into() } - CanonicalVarKind::Const(ui, ty) => { - self.next_const_var_in_universe(ty, span, universe_map(ui)).into() + CanonicalVarKind::Const(ui) => { + self.next_const_var_in_universe(span, universe_map(ui)).into() } CanonicalVarKind::Effect => { let vid = self @@ -153,13 +153,12 @@ impl<'tcx> InferCtxt<'tcx> { .effect_unification_table() .new_key(EffectVarValue::Unknown) .vid; - ty::Const::new_infer(self.tcx, ty::InferConst::EffectVar(vid), self.tcx.types.bool) - .into() + ty::Const::new_infer(self.tcx, ty::InferConst::EffectVar(vid)).into() } - CanonicalVarKind::PlaceholderConst(ty::PlaceholderConst { universe, bound }, ty) => { + CanonicalVarKind::PlaceholderConst(ty::PlaceholderConst { universe, bound }) => { let universe_mapped = universe_map(universe); let placeholder_mapped = ty::PlaceholderConst { universe: universe_mapped, bound }; - ty::Const::new_placeholder(self.tcx, placeholder_mapped, ty).into() + ty::Const::new_placeholder(self.tcx, placeholder_mapped).into() } } } diff --git a/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs b/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs index fb8c843f3095..cb0e13652e80 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs @@ -543,9 +543,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { match arg.unpack() { GenericArgKind::Lifetime(_) => bug!("unexpected lifetime"), GenericArgKind::Type(_) => self.next_ty_var(DUMMY_SP).into(), - GenericArgKind::Const(arg) => { - self.next_const_var(arg.ty(), DUMMY_SP).into() - } + GenericArgKind::Const(_) => self.next_const_var(DUMMY_SP).into(), } })) .unwrap(); diff --git a/compiler/rustc_infer/src/infer/freshen.rs b/compiler/rustc_infer/src/infer/freshen.rs index a3c8d5f4251e..3ef25ae2d3ed 100644 --- a/compiler/rustc_infer/src/infer/freshen.rs +++ b/compiler/rustc_infer/src/infer/freshen.rs @@ -79,7 +79,6 @@ impl<'a, 'tcx> TypeFreshener<'a, 'tcx> { &mut self, input: Result, ty::InferConst>, freshener: F, - ty: Ty<'tcx>, ) -> ty::Const<'tcx> where F: FnOnce(u32) -> ty::InferConst, @@ -91,7 +90,7 @@ impl<'a, 'tcx> TypeFreshener<'a, 'tcx> { Entry::Vacant(entry) => { let index = self.const_freshen_count; self.const_freshen_count += 1; - let ct = ty::Const::new_infer(self.infcx.tcx, freshener(index), ty); + let ct = ty::Const::new_infer(self.infcx.tcx, freshener(index)); entry.insert(ct); ct } @@ -149,7 +148,7 @@ impl<'a, 'tcx> TypeFolder> for TypeFreshener<'a, 'tcx> { ty::InferConst::Var(inner.const_unification_table().find(v).vid) }); drop(inner); - self.freshen_const(input, ty::InferConst::Fresh, ct.ty()) + self.freshen_const(input, ty::InferConst::Fresh) } ty::ConstKind::Infer(ty::InferConst::EffectVar(v)) => { let mut inner = self.infcx.inner.borrow_mut(); @@ -158,7 +157,7 @@ impl<'a, 'tcx> TypeFolder> for TypeFreshener<'a, 'tcx> { ty::InferConst::EffectVar(inner.effect_unification_table().find(v).vid) }); drop(inner); - self.freshen_const(input, ty::InferConst::Fresh, ct.ty()) + self.freshen_const(input, ty::InferConst::Fresh) } ty::ConstKind::Infer(ty::InferConst::Fresh(i)) => { if i >= self.const_freshen_count { diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs index e9a4cc3e04b6..1f6c534fbec6 100644 --- a/compiler/rustc_infer/src/infer/mod.rs +++ b/compiler/rustc_infer/src/infer/mod.rs @@ -392,18 +392,18 @@ impl<'tcx> ty::InferCtxtLike for InferCtxt<'tcx> { self.opportunistic_resolve_float_var(vid) } - fn opportunistic_resolve_ct_var(&self, vid: ConstVid, ty: Ty<'tcx>) -> ty::Const<'tcx> { + fn opportunistic_resolve_ct_var(&self, vid: ConstVid) -> ty::Const<'tcx> { match self.probe_const_var(vid) { Ok(ct) => ct, - Err(_) => ty::Const::new_var(self.tcx, self.root_const_var(vid), ty), + Err(_) => ty::Const::new_var(self.tcx, self.root_const_var(vid)), } } - fn opportunistic_resolve_effect_var(&self, vid: EffectVid, ty: Ty<'tcx>) -> ty::Const<'tcx> { + fn opportunistic_resolve_effect_var(&self, vid: EffectVid) -> ty::Const<'tcx> { match self.probe_effect_var(vid) { Some(ct) => ct, None => { - ty::Const::new_infer(self.tcx, InferConst::EffectVar(self.root_effect_var(vid)), ty) + ty::Const::new_infer(self.tcx, InferConst::EffectVar(self.root_effect_var(vid))) } } } @@ -832,9 +832,7 @@ impl<'tcx> InferCtxt<'tcx> { (0..table.len()) .map(|i| ty::EffectVid::from_usize(i)) .filter(|&vid| table.probe_value(vid).is_unknown()) - .map(|v| { - ty::Const::new_infer(self.tcx, ty::InferConst::EffectVar(v), self.tcx.types.bool) - }) + .map(|v| ty::Const::new_infer(self.tcx, ty::InferConst::EffectVar(v))) .collect() } @@ -993,27 +991,22 @@ impl<'tcx> InferCtxt<'tcx> { Ty::new_var(self.tcx, vid) } - pub fn next_const_var(&self, ty: Ty<'tcx>, span: Span) -> ty::Const<'tcx> { - self.next_const_var_with_origin(ty, ConstVariableOrigin { span, param_def_id: None }) + pub fn next_const_var(&self, span: Span) -> ty::Const<'tcx> { + self.next_const_var_with_origin(ConstVariableOrigin { span, param_def_id: None }) } - pub fn next_const_var_with_origin( - &self, - ty: Ty<'tcx>, - origin: ConstVariableOrigin, - ) -> ty::Const<'tcx> { + pub fn next_const_var_with_origin(&self, origin: ConstVariableOrigin) -> ty::Const<'tcx> { let vid = self .inner .borrow_mut() .const_unification_table() .new_key(ConstVariableValue::Unknown { origin, universe: self.universe() }) .vid; - ty::Const::new_var(self.tcx, vid, ty) + ty::Const::new_var(self.tcx, vid) } pub fn next_const_var_in_universe( &self, - ty: Ty<'tcx>, span: Span, universe: ty::UniverseIndex, ) -> ty::Const<'tcx> { @@ -1024,7 +1017,7 @@ impl<'tcx> InferCtxt<'tcx> { .const_unification_table() .new_key(ConstVariableValue::Unknown { origin, universe }) .vid; - ty::Const::new_var(self.tcx, vid, ty) + ty::Const::new_var(self.tcx, vid) } pub fn next_const_var_id(&self, origin: ConstVariableOrigin) -> ConstVid { @@ -1135,15 +1128,7 @@ impl<'tcx> InferCtxt<'tcx> { .const_unification_table() .new_key(ConstVariableValue::Unknown { origin, universe: self.universe() }) .vid; - ty::Const::new_var( - self.tcx, - const_var_id, - self.tcx - .type_of(param.def_id) - .no_bound_vars() - .expect("const parameter types cannot be generic"), - ) - .into() + ty::Const::new_var(self.tcx, const_var_id).into() } } } @@ -1157,7 +1142,7 @@ impl<'tcx> InferCtxt<'tcx> { .no_bound_vars() .expect("const parameter types cannot be generic"); debug_assert_eq!(self.tcx.types.bool, ty); - ty::Const::new_infer(self.tcx, ty::InferConst::EffectVar(effect_vid), ty).into() + ty::Const::new_infer(self.tcx, ty::InferConst::EffectVar(effect_vid)).into() } /// Given a set of generics defined on a type or impl, returns the generic parameters mapping each @@ -1469,10 +1454,10 @@ impl<'tcx> InferCtxt<'tcx> { .or_insert_with(|| self.infcx.next_ty_var(self.span).into()) .expect_ty() } - fn replace_const(&mut self, bv: ty::BoundVar, ty: Ty<'tcx>) -> ty::Const<'tcx> { + fn replace_const(&mut self, bv: ty::BoundVar) -> ty::Const<'tcx> { self.map .entry(bv) - .or_insert_with(|| self.infcx.next_const_var(ty, self.span).into()) + .or_insert_with(|| self.infcx.next_const_var(self.span).into()) .expect_const() } } @@ -1526,11 +1511,11 @@ impl<'tcx> InferCtxt<'tcx> { &self, param_env: ty::ParamEnv<'tcx>, unevaluated: ty::UnevaluatedConst<'tcx>, - ty: Ty<'tcx>, span: Span, ) -> Result, ErrorHandled> { match self.const_eval_resolve(param_env, unevaluated, span) { - Ok(Some(val)) => Ok(ty::Const::new_value(self.tcx, val, ty)), + // THISPR + Ok(Some(val)) => Ok(ty::Const::new_value(self.tcx, val, todo!())), Ok(None) => { let tcx = self.tcx; let def_id = unevaluated.def; @@ -1964,11 +1949,6 @@ fn replace_param_and_infer_args_with_placeholder<'tcx>( fn fold_const(&mut self, c: ty::Const<'tcx>) -> ty::Const<'tcx> { if let ty::ConstKind::Infer(_) = c.kind() { - let ty = c.ty(); - // If the type references param or infer then ICE ICE ICE - if ty.has_non_region_param() || ty.has_non_region_infer() { - bug!("const `{c}`'s type should not reference params or types"); - } ty::Const::new_placeholder( self.tcx, ty::PlaceholderConst { @@ -1979,7 +1959,6 @@ fn replace_param_and_infer_args_with_placeholder<'tcx>( idx }), }, - ty, ) } else { c.super_fold_with(self) diff --git a/compiler/rustc_infer/src/infer/relate/generalize.rs b/compiler/rustc_infer/src/infer/relate/generalize.rs index aaea3b4820b3..225c126fcf81 100644 --- a/compiler/rustc_infer/src/infer/relate/generalize.rs +++ b/compiler/rustc_infer/src/infer/relate/generalize.rs @@ -653,7 +653,7 @@ impl<'tcx> TypeRelation<'tcx> for Generalizer<'_, 'tcx> { { variable_table.union(vid, new_var_id); } - Ok(ty::Const::new_var(self.tcx(), new_var_id, c.ty())) + Ok(ty::Const::new_var(self.tcx(), new_var_id)) } } } @@ -671,11 +671,7 @@ impl<'tcx> TypeRelation<'tcx> for Generalizer<'_, 'tcx> { args, args, )?; - Ok(ty::Const::new_unevaluated( - self.tcx(), - ty::UnevaluatedConst { def, args }, - c.ty(), - )) + Ok(ty::Const::new_unevaluated(self.tcx(), ty::UnevaluatedConst { def, args })) } ty::ConstKind::Placeholder(placeholder) => { if self.for_universe.can_name(placeholder.universe) { diff --git a/compiler/rustc_infer/src/infer/relate/higher_ranked.rs b/compiler/rustc_infer/src/infer/relate/higher_ranked.rs index 70ed7cf9af1a..d3001eb5838b 100644 --- a/compiler/rustc_infer/src/infer/relate/higher_ranked.rs +++ b/compiler/rustc_infer/src/infer/relate/higher_ranked.rs @@ -43,11 +43,10 @@ impl<'tcx> InferCtxt<'tcx> { ty::PlaceholderType { universe: next_universe, bound: bound_ty }, ) }, - consts: &mut |bound_var: ty::BoundVar, ty| { + consts: &mut |bound_var: ty::BoundVar| { ty::Const::new_placeholder( self.tcx, ty::PlaceholderConst { universe: next_universe, bound: bound_var }, - ty, ) }, }; diff --git a/compiler/rustc_infer/src/infer/snapshot/fudge.rs b/compiler/rustc_infer/src/infer/snapshot/fudge.rs index 4408251c99dc..a086c82c92e8 100644 --- a/compiler/rustc_infer/src/infer/snapshot/fudge.rs +++ b/compiler/rustc_infer/src/infer/snapshot/fudge.rs @@ -244,7 +244,7 @@ impl<'a, 'tcx> TypeFolder> for InferenceFudger<'a, 'tcx> { // Recreate it with a fresh variable here. let idx = vid.index() - self.const_vars.0.start.index(); let origin = self.const_vars.1[idx]; - self.infcx.next_const_var_with_origin(ct.ty(), origin) + self.infcx.next_const_var_with_origin(origin) } else { ct } diff --git a/compiler/rustc_middle/src/mir/consts.rs b/compiler/rustc_middle/src/mir/consts.rs index e107c2c12bd6..5c069ff820d3 100644 --- a/compiler/rustc_middle/src/mir/consts.rs +++ b/compiler/rustc_middle/src/mir/consts.rs @@ -237,7 +237,8 @@ impl<'tcx> Const<'tcx> { #[inline(always)] pub fn ty(&self) -> Ty<'tcx> { match self { - Const::Ty(c) => c.ty(), + // THISPR + Const::Ty(c) => todo!(), Const::Val(_, ty) | Const::Unevaluated(_, ty) => *ty, } } @@ -260,7 +261,9 @@ impl<'tcx> Const<'tcx> { pub fn try_to_scalar(self) -> Option { match self { Const::Ty(c) => match c.kind() { - ty::ConstKind::Value(valtree) if c.ty().is_primitive() => { + // THISPR + // if c.ty().is_primitive() + ty::ConstKind::Value(valtree) if todo!() => { // A valtree of a type where leaves directly represent the scalar const value. // Just checking whether it is a leaf is insufficient as e.g. references are leafs // but the leaf value is the value they point to, not the reference itself! @@ -279,9 +282,9 @@ impl<'tcx> Const<'tcx> { match self { Const::Val(ConstValue::Scalar(Scalar::Int(x)), _) => Some(x), Const::Ty(c) => match c.kind() { - ty::ConstKind::Value(valtree) if c.ty().is_primitive() => { - Some(valtree.unwrap_leaf()) - } + // THISPR + // if c.ty().is_primitive() + ty::ConstKind::Value(valtree) if todo!() => Some(valtree.unwrap_leaf()), _ => None, }, _ => None, @@ -326,7 +329,7 @@ impl<'tcx> Const<'tcx> { match self.eval(tcx, param_env, DUMMY_SP) { Ok(val) => Self::Val(val, self.ty()), Err(ErrorHandled::Reported(guar, _span)) => { - Self::Ty(ty::Const::new_error(tcx, guar.into(), self.ty())) + Self::Ty(ty::Const::new_error(tcx, guar.into())) } Err(ErrorHandled::TooGeneric(_span)) => self, } @@ -339,7 +342,9 @@ impl<'tcx> Const<'tcx> { param_env: ty::ParamEnv<'tcx>, ) -> Option { match self { - Const::Ty(c) if c.ty().is_primitive() => { + // THISPR + // c.ty().is_primitive() + Const::Ty(c) if todo!() => { // Avoid the `valtree_to_const_val` query. Can only be done on primitive types that // are valtree leaves, and *not* on references. (References should return the // pointer here, which valtrees don't represent.) @@ -443,8 +448,9 @@ impl<'tcx> Const<'tcx> { match c.kind() { ty::ConstKind::Value(valtree) => { // Make sure that if `c` is normalized, then the return value is normalized. - let const_val = tcx.valtree_to_const_val((c.ty(), valtree)); - Self::Val(const_val, c.ty()) + // THISPR + let const_val = tcx.valtree_to_const_val((todo!(), valtree)); + Self::Val(const_val, todo!()) } _ => Self::Ty(c), } @@ -463,7 +469,9 @@ impl<'tcx> Const<'tcx> { // A valtree may be a reference. Valtree references correspond to a // different allocation each time they are evaluated. Valtrees for primitive // types are fine though. - ty::ConstKind::Value(_) => c.ty().is_primitive(), + // THISPR + // c.ty().is_primitive() + ty::ConstKind::Value(_) => todo!(), ty::ConstKind::Unevaluated(..) | ty::ConstKind::Expr(..) => false, // This can happen if evaluation of a constant failed. The result does not matter // much since compilation is doomed. diff --git a/compiler/rustc_middle/src/ty/abstract_const.rs b/compiler/rustc_middle/src/ty/abstract_const.rs index 7fb5e9aadae7..254e1b544819 100644 --- a/compiler/rustc_middle/src/ty/abstract_const.rs +++ b/compiler/rustc_middle/src/ty/abstract_const.rs @@ -53,7 +53,7 @@ impl<'tcx> TyCtxt<'tcx> { fn fold_const(&mut self, c: Const<'tcx>) -> Const<'tcx> { let ct = match c.kind() { ty::ConstKind::Unevaluated(uv) => match self.tcx.thir_abstract_const(uv.def) { - Err(e) => ty::Const::new_error(self.tcx, e, c.ty()), + Err(e) => ty::Const::new_error(self.tcx, e), Ok(Some(bac)) => { let args = self.tcx.erase_regions(uv.args); let bac = bac.instantiate(self.tcx, args); diff --git a/compiler/rustc_middle/src/ty/codec.rs b/compiler/rustc_middle/src/ty/codec.rs index 07652b479292..33f564e9b59c 100644 --- a/compiler/rustc_middle/src/ty/codec.rs +++ b/compiler/rustc_middle/src/ty/codec.rs @@ -350,8 +350,8 @@ impl<'tcx, D: TyDecoder>> RefDecodable<'tcx, D> impl<'tcx, D: TyDecoder>> Decodable for ty::Const<'tcx> { fn decode(decoder: &mut D) -> Self { - let consts: ty::ConstData<'tcx> = Decodable::decode(decoder); - decoder.interner().mk_ct_from_kind(consts.kind, consts.ty) + let kind: ty::ConstKind<'tcx> = Decodable::decode(decoder); + decoder.interner().mk_ct_from_kind(kind) } } diff --git a/compiler/rustc_middle/src/ty/consts.rs b/compiler/rustc_middle/src/ty/consts.rs index 384a4e7009d8..7e84b763fa8b 100644 --- a/compiler/rustc_middle/src/ty/consts.rs +++ b/compiler/rustc_middle/src/ty/consts.rs @@ -6,7 +6,7 @@ use rustc_error_messages::MultiSpan; use rustc_hir as hir; use rustc_hir::def::{DefKind, Res}; use rustc_hir::def_id::LocalDefId; -use rustc_macros::{HashStable, TyDecodable, TyEncodable}; +use rustc_macros::HashStable; use rustc_type_ir::{self as ir, TypeFlags, WithCachedTypeInfo}; use tracing::{debug, instrument}; @@ -26,10 +26,9 @@ pub type UnevaluatedConst<'tcx> = ir::UnevaluatedConst>; #[cfg(target_pointer_width = "64")] rustc_data_structures::static_assert_size!(ConstKind<'_>, 24); -/// Use this rather than `ConstData`, whenever possible. #[derive(Copy, Clone, PartialEq, Eq, Hash, HashStable)] #[rustc_pass_by_value] -pub struct Const<'tcx>(pub(super) Interned<'tcx, WithCachedTypeInfo>>); +pub struct Const<'tcx>(pub(super) Interned<'tcx, WithCachedTypeInfo>>); impl<'tcx> rustc_type_ir::inherent::IntoKind for Const<'tcx> { type Kind = ConstKind<'tcx>; @@ -49,26 +48,11 @@ impl<'tcx> rustc_type_ir::visit::Flags for Const<'tcx> { } } -/// Typed constant value. -#[derive(Copy, Clone, PartialEq, Eq, Hash)] -#[derive(HashStable, TyEncodable, TyDecodable)] -pub struct ConstData<'tcx> { - pub ty: Ty<'tcx>, - pub kind: ConstKind<'tcx>, -} - -#[cfg(target_pointer_width = "64")] -rustc_data_structures::static_assert_size!(ConstData<'_>, 32); - impl<'tcx> Const<'tcx> { - #[inline] - pub fn ty(self) -> Ty<'tcx> { - self.0.ty - } - #[inline] pub fn kind(self) -> ConstKind<'tcx> { - self.0.kind + let a: &ConstKind<'tcx> = self.0.0; + *a } // FIXME(compiler-errors): Think about removing this. @@ -84,28 +68,28 @@ impl<'tcx> Const<'tcx> { } #[inline] - pub fn new(tcx: TyCtxt<'tcx>, kind: ty::ConstKind<'tcx>, ty: Ty<'tcx>) -> Const<'tcx> { - tcx.mk_ct_from_kind(kind, ty) + pub fn new(tcx: TyCtxt<'tcx>, kind: ty::ConstKind<'tcx>) -> Const<'tcx> { + tcx.mk_ct_from_kind(kind) } #[inline] - pub fn new_param(tcx: TyCtxt<'tcx>, param: ty::ParamConst, ty: Ty<'tcx>) -> Const<'tcx> { - Const::new(tcx, ty::ConstKind::Param(param), ty) + pub fn new_param(tcx: TyCtxt<'tcx>, param: ty::ParamConst) -> Const<'tcx> { + Const::new(tcx, ty::ConstKind::Param(param)) } #[inline] - pub fn new_var(tcx: TyCtxt<'tcx>, infer: ty::ConstVid, ty: Ty<'tcx>) -> Const<'tcx> { - Const::new(tcx, ty::ConstKind::Infer(ty::InferConst::Var(infer)), ty) + pub fn new_var(tcx: TyCtxt<'tcx>, infer: ty::ConstVid) -> Const<'tcx> { + Const::new(tcx, ty::ConstKind::Infer(ty::InferConst::Var(infer))) } #[inline] - pub fn new_fresh(tcx: TyCtxt<'tcx>, fresh: u32, ty: Ty<'tcx>) -> Const<'tcx> { - Const::new(tcx, ty::ConstKind::Infer(ty::InferConst::Fresh(fresh)), ty) + pub fn new_fresh(tcx: TyCtxt<'tcx>, fresh: u32) -> Const<'tcx> { + Const::new(tcx, ty::ConstKind::Infer(ty::InferConst::Fresh(fresh))) } #[inline] - pub fn new_infer(tcx: TyCtxt<'tcx>, infer: ty::InferConst, ty: Ty<'tcx>) -> Const<'tcx> { - Const::new(tcx, ty::ConstKind::Infer(infer), ty) + pub fn new_infer(tcx: TyCtxt<'tcx>, infer: ty::InferConst) -> Const<'tcx> { + Const::new(tcx, ty::ConstKind::Infer(infer)) } #[inline] @@ -113,50 +97,40 @@ impl<'tcx> Const<'tcx> { tcx: TyCtxt<'tcx>, debruijn: ty::DebruijnIndex, var: ty::BoundVar, - ty: Ty<'tcx>, ) -> Const<'tcx> { - Const::new(tcx, ty::ConstKind::Bound(debruijn, var), ty) + Const::new(tcx, ty::ConstKind::Bound(debruijn, var)) } #[inline] - pub fn new_placeholder( - tcx: TyCtxt<'tcx>, - placeholder: ty::PlaceholderConst, - ty: Ty<'tcx>, - ) -> Const<'tcx> { - Const::new(tcx, ty::ConstKind::Placeholder(placeholder), ty) + pub fn new_placeholder(tcx: TyCtxt<'tcx>, placeholder: ty::PlaceholderConst) -> Const<'tcx> { + Const::new(tcx, ty::ConstKind::Placeholder(placeholder)) } #[inline] - pub fn new_unevaluated( - tcx: TyCtxt<'tcx>, - uv: ty::UnevaluatedConst<'tcx>, - ty: Ty<'tcx>, - ) -> Const<'tcx> { - Const::new(tcx, ty::ConstKind::Unevaluated(uv), ty) + pub fn new_unevaluated(tcx: TyCtxt<'tcx>, uv: ty::UnevaluatedConst<'tcx>) -> Const<'tcx> { + Const::new(tcx, ty::ConstKind::Unevaluated(uv)) } #[inline] pub fn new_value(tcx: TyCtxt<'tcx>, val: ty::ValTree<'tcx>, ty: Ty<'tcx>) -> Const<'tcx> { - Const::new(tcx, ty::ConstKind::Value(val), ty) + Const::new(tcx, ty::ConstKind::Value(ty, val)) } #[inline] - pub fn new_expr(tcx: TyCtxt<'tcx>, expr: ty::Expr<'tcx>, ty: Ty<'tcx>) -> Const<'tcx> { - Const::new(tcx, ty::ConstKind::Expr(expr), ty) + pub fn new_expr(tcx: TyCtxt<'tcx>, expr: ty::Expr<'tcx>) -> Const<'tcx> { + Const::new(tcx, ty::ConstKind::Expr(expr)) } #[inline] - pub fn new_error(tcx: TyCtxt<'tcx>, e: ty::ErrorGuaranteed, ty: Ty<'tcx>) -> Const<'tcx> { - Const::new(tcx, ty::ConstKind::Error(e), ty) + pub fn new_error(tcx: TyCtxt<'tcx>, e: ty::ErrorGuaranteed) -> Const<'tcx> { + Const::new(tcx, ty::ConstKind::Error(e)) } /// Like [Ty::new_error] but for constants. #[track_caller] - pub fn new_misc_error(tcx: TyCtxt<'tcx>, ty: Ty<'tcx>) -> Const<'tcx> { + pub fn new_misc_error(tcx: TyCtxt<'tcx>) -> Const<'tcx> { Const::new_error_with_message( tcx, - ty, DUMMY_SP, "ty::ConstKind::Error constructed but no error reported", ) @@ -166,48 +140,33 @@ impl<'tcx> Const<'tcx> { #[track_caller] pub fn new_error_with_message>( tcx: TyCtxt<'tcx>, - ty: Ty<'tcx>, span: S, msg: &'static str, ) -> Const<'tcx> { let reported = tcx.dcx().span_delayed_bug(span, msg); - Const::new_error(tcx, reported, ty) + Const::new_error(tcx, reported) } } impl<'tcx> rustc_type_ir::inherent::Const> for Const<'tcx> { - fn new_infer(tcx: TyCtxt<'tcx>, infer: ty::InferConst, ty: Ty<'tcx>) -> Self { - Const::new_infer(tcx, infer, ty) + fn new_infer(tcx: TyCtxt<'tcx>, infer: ty::InferConst) -> Self { + Const::new_infer(tcx, infer) } - fn new_var(tcx: TyCtxt<'tcx>, vid: ty::ConstVid, ty: Ty<'tcx>) -> Self { - Const::new_var(tcx, vid, ty) + fn new_var(tcx: TyCtxt<'tcx>, vid: ty::ConstVid) -> Self { + Const::new_var(tcx, vid) } - fn new_bound( - interner: TyCtxt<'tcx>, - debruijn: ty::DebruijnIndex, - var: ty::BoundVar, - ty: Ty<'tcx>, - ) -> Self { - Const::new_bound(interner, debruijn, var, ty) + fn new_bound(interner: TyCtxt<'tcx>, debruijn: ty::DebruijnIndex, var: ty::BoundVar) -> Self { + Const::new_bound(interner, debruijn, var) } - fn new_anon_bound( - tcx: TyCtxt<'tcx>, - debruijn: ty::DebruijnIndex, - var: ty::BoundVar, - ty: Ty<'tcx>, - ) -> Self { - Const::new_bound(tcx, debruijn, var, ty) + fn new_anon_bound(tcx: TyCtxt<'tcx>, debruijn: ty::DebruijnIndex, var: ty::BoundVar) -> Self { + Const::new_bound(tcx, debruijn, var) } - fn new_unevaluated( - interner: TyCtxt<'tcx>, - uv: ty::UnevaluatedConst<'tcx>, - ty: Ty<'tcx>, - ) -> Self { - Const::new_unevaluated(interner, uv, ty) + fn new_unevaluated(interner: TyCtxt<'tcx>, uv: ty::UnevaluatedConst<'tcx>) -> Self { + Const::new_unevaluated(interner, uv) } fn ty(self) -> Ty<'tcx> { @@ -241,7 +200,6 @@ impl<'tcx> Const<'tcx> { def: def.to_def_id(), args: GenericArgs::identity_for_item(tcx, def.to_def_id()), }, - ty, ), } } @@ -293,9 +251,6 @@ impl<'tcx> Const<'tcx> { _, &hir::Path { res: Res::Def(DefKind::ConstParam, def_id), .. }, )) => { - // Use the type from the param's definition, since we can resolve it, - // not the expected parameter type from WithOptConstParam. - let param_ty = tcx.type_of(def_id).instantiate_identity(); match tcx.named_bound_var(expr.hir_id) { Some(rbv::ResolvedArg::EarlyBound(_)) => { // Find the name and index of the const parameter by indexing the generics of @@ -304,19 +259,12 @@ impl<'tcx> Const<'tcx> { let generics = tcx.generics_of(item_def_id); let index = generics.param_def_id_to_index[&def_id]; let name = tcx.item_name(def_id); - Some(ty::Const::new_param(tcx, ty::ParamConst::new(index, name), param_ty)) + Some(ty::Const::new_param(tcx, ty::ParamConst::new(index, name))) } Some(rbv::ResolvedArg::LateBound(debruijn, index, _)) => { - Some(ty::Const::new_bound( - tcx, - debruijn, - ty::BoundVar::from_u32(index), - param_ty, - )) - } - Some(rbv::ResolvedArg::Error(guar)) => { - Some(ty::Const::new_error(tcx, guar, param_ty)) + Some(ty::Const::new_bound(tcx, debruijn, ty::BoundVar::from_u32(index))) } + Some(rbv::ResolvedArg::Error(guar)) => Some(ty::Const::new_error(tcx, guar)), arg => bug!("unexpected bound var resolution for {:?}: {arg:?}", expr.hir_id), } } @@ -397,8 +345,8 @@ impl<'tcx> Const<'tcx> { #[inline] pub fn normalize(self, tcx: TyCtxt<'tcx>, param_env: ParamEnv<'tcx>) -> Self { match self.eval(tcx, param_env, DUMMY_SP) { - Ok(val) => Self::new_value(tcx, val, self.ty()), - Err(ErrorHandled::Reported(r, _span)) => Self::new_error(tcx, r.into(), self.ty()), + Ok(val) => Self::new_value(tcx, val, self.ty_for_ctfe(tcx).unwrap()), + Err(ErrorHandled::Reported(r, _span)) => Self::new_error(tcx, r.into()), Err(ErrorHandled::TooGeneric(_span)) => self, } } @@ -430,8 +378,12 @@ impl<'tcx> Const<'tcx> { /// contains const generic parameters or pointers). pub fn try_eval_bits(self, tcx: TyCtxt<'tcx>, param_env: ParamEnv<'tcx>) -> Option { let int = self.try_eval_scalar_int(tcx, param_env)?; - let size = - tcx.layout_of(param_env.with_reveal_all_normalized(tcx).and(self.ty())).ok()?.size; + let size = tcx + .layout_of( + param_env.with_reveal_all_normalized(tcx).and(self.ty_for_ctfe(tcx).unwrap()), + ) + .ok()? + .size; // if `ty` does not depend on generic parameters, use an empty param_env int.try_to_bits(size).ok() } @@ -440,7 +392,7 @@ impl<'tcx> Const<'tcx> { /// Panics if the value cannot be evaluated or doesn't contain a valid integer of the given type. pub fn eval_bits(self, tcx: TyCtxt<'tcx>, param_env: ParamEnv<'tcx>) -> u128 { self.try_eval_bits(tcx, param_env) - .unwrap_or_else(|| bug!("expected bits of {:#?}, got {:#?}", self.ty(), self)) + .unwrap_or_else(|| bug!("failed to evalate {:#?} to bits", self)) } #[inline] diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index 47f66c644062..7e8b3fea1eae 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -28,10 +28,10 @@ use crate::traits::solve::{ }; use crate::ty::predicate::ExistentialPredicateStableCmpExt as _; use crate::ty::{ - self, AdtDef, AdtDefData, AdtKind, Binder, Clause, Clauses, Const, ConstData, - GenericParamDefKind, ImplPolarity, List, ListWithCachedTypeInfo, ParamConst, ParamTy, Pattern, - PatternKind, PolyExistentialPredicate, PolyFnSig, Predicate, PredicateKind, PredicatePolarity, - Region, RegionKind, ReprOptions, TraitObjectVisitor, Ty, TyKind, TyVid, Visibility, + self, AdtDef, AdtDefData, AdtKind, Binder, Clause, Clauses, Const, GenericParamDefKind, + ImplPolarity, List, ListWithCachedTypeInfo, ParamConst, ParamTy, Pattern, PatternKind, + PolyExistentialPredicate, PolyFnSig, Predicate, PredicateKind, PredicatePolarity, Region, + RegionKind, ReprOptions, TraitObjectVisitor, Ty, TyKind, TyVid, Visibility, }; use crate::ty::{GenericArg, GenericArgs, GenericArgsRef}; use rustc_ast::{self as ast, attr}; @@ -268,7 +268,7 @@ pub struct CtxtInterners<'tcx> { clauses: InternedSet<'tcx, ListWithCachedTypeInfo>>, projs: InternedSet<'tcx, List>, place_elems: InternedSet<'tcx, List>>, - const_: InternedSet<'tcx, WithCachedTypeInfo>>, + const_: InternedSet<'tcx, WithCachedTypeInfo>>, pat: InternedSet<'tcx, PatternKind<'tcx>>, const_allocation: InternedSet<'tcx, Allocation>, bound_variable_kinds: InternedSet<'tcx, List>, @@ -338,18 +338,18 @@ impl<'tcx> CtxtInterners<'tcx> { #[inline(never)] fn intern_const( &self, - data: ty::ConstData<'tcx>, + kind: ty::ConstKind<'tcx>, sess: &Session, untracked: &Untracked, ) -> Const<'tcx> { Const(Interned::new_unchecked( self.const_ - .intern(data, |data: ConstData<'_>| { - let flags = super::flags::FlagComputation::for_const(&data.kind, data.ty); - let stable_hash = self.stable_hash(&flags, sess, untracked, &data); + .intern(kind, |kind: ty::ConstKind<'_>| { + let flags = super::flags::FlagComputation::for_const_kind(&kind); + let stable_hash = self.stable_hash(&flags, sess, untracked, &kind); InternedInSet(self.arena.alloc(WithCachedTypeInfo { - internee: data, + internee: kind, stable_hash, flags: flags.flags, outer_exclusive_binder: flags.outer_exclusive_binder, @@ -601,18 +601,9 @@ impl<'tcx> CommonConsts<'tcx> { }; CommonConsts { - unit: mk_const(ty::ConstData { - kind: ty::ConstKind::Value(ty::ValTree::zst()), - ty: types.unit, - }), - true_: mk_const(ty::ConstData { - kind: ty::ConstKind::Value(ty::ValTree::Leaf(ty::ScalarInt::TRUE)), - ty: types.bool, - }), - false_: mk_const(ty::ConstData { - kind: ty::ConstKind::Value(ty::ValTree::Leaf(ty::ScalarInt::FALSE)), - ty: types.bool, - }), + unit: mk_const(ty::ConstKind::Value(ty::ValTree::zst())), + true_: mk_const(ty::ConstKind::Value(ty::ValTree::Leaf(ty::ScalarInt::TRUE))), + false_: mk_const(ty::ConstKind::Value(ty::ValTree::Leaf(ty::ScalarInt::FALSE))), } } } @@ -2225,9 +2216,9 @@ impl<'tcx> TyCtxt<'tcx> { } #[inline] - pub fn mk_ct_from_kind(self, kind: ty::ConstKind<'tcx>, ty: Ty<'tcx>) -> Const<'tcx> { + pub fn mk_ct_from_kind(self, kind: ty::ConstKind<'tcx>) -> Const<'tcx> { self.interners.intern_const( - ty::ConstData { kind, ty }, + kind, self.sess, // This is only used to create a stable hashing context. &self.untracked, @@ -2252,14 +2243,10 @@ impl<'tcx> TyCtxt<'tcx> { ty::Region::new_early_param(self, param.to_early_bound_region_data()).into() } GenericParamDefKind::Type { .. } => Ty::new_param(self, param.index, param.name).into(), - GenericParamDefKind::Const { .. } => ty::Const::new_param( - self, - ParamConst { index: param.index, name: param.name }, - self.type_of(param.def_id) - .no_bound_vars() - .expect("const parameter types cannot be generic"), - ) - .into(), + GenericParamDefKind::Const { .. } => { + ty::Const::new_param(self, ParamConst { index: param.index, name: param.name }) + .into() + } } } diff --git a/compiler/rustc_middle/src/ty/flags.rs b/compiler/rustc_middle/src/ty/flags.rs index 93a51d3a3340..5f653aba4852 100644 --- a/compiler/rustc_middle/src/ty/flags.rs +++ b/compiler/rustc_middle/src/ty/flags.rs @@ -28,10 +28,9 @@ impl FlagComputation { result } - pub fn for_const(c: &ty::ConstKind<'_>, t: Ty<'_>) -> FlagComputation { + pub fn for_const_kind(kind: &ty::ConstKind<'_>) -> FlagComputation { let mut result = FlagComputation::new(); - result.add_const_kind(c); - result.add_ty(t); + result.add_const_kind(kind); result } diff --git a/compiler/rustc_middle/src/ty/fold.rs b/compiler/rustc_middle/src/ty/fold.rs index b5b36cbd1ba1..9b5b1430c27f 100644 --- a/compiler/rustc_middle/src/ty/fold.rs +++ b/compiler/rustc_middle/src/ty/fold.rs @@ -134,13 +134,13 @@ impl<'a, 'tcx> TypeFolder> for RegionFolder<'a, 'tcx> { pub trait BoundVarReplacerDelegate<'tcx> { fn replace_region(&mut self, br: ty::BoundRegion) -> ty::Region<'tcx>; fn replace_ty(&mut self, bt: ty::BoundTy) -> Ty<'tcx>; - fn replace_const(&mut self, bv: ty::BoundVar, ty: Ty<'tcx>) -> ty::Const<'tcx>; + fn replace_const(&mut self, bv: ty::BoundVar) -> ty::Const<'tcx>; } pub struct FnMutDelegate<'a, 'tcx> { pub regions: &'a mut (dyn FnMut(ty::BoundRegion) -> ty::Region<'tcx> + 'a), pub types: &'a mut (dyn FnMut(ty::BoundTy) -> Ty<'tcx> + 'a), - pub consts: &'a mut (dyn FnMut(ty::BoundVar, Ty<'tcx>) -> ty::Const<'tcx> + 'a), + pub consts: &'a mut (dyn FnMut(ty::BoundVar) -> ty::Const<'tcx> + 'a), } impl<'a, 'tcx> BoundVarReplacerDelegate<'tcx> for FnMutDelegate<'a, 'tcx> { @@ -150,8 +150,8 @@ impl<'a, 'tcx> BoundVarReplacerDelegate<'tcx> for FnMutDelegate<'a, 'tcx> { fn replace_ty(&mut self, bt: ty::BoundTy) -> Ty<'tcx> { (self.types)(bt) } - fn replace_const(&mut self, bv: ty::BoundVar, ty: Ty<'tcx>) -> ty::Const<'tcx> { - (self.consts)(bv, ty) + fn replace_const(&mut self, bv: ty::BoundVar) -> ty::Const<'tcx> { + (self.consts)(bv) } } @@ -224,7 +224,7 @@ where fn fold_const(&mut self, ct: ty::Const<'tcx>) -> ty::Const<'tcx> { match ct.kind() { ty::ConstKind::Bound(debruijn, bound_const) if debruijn == self.current_index => { - let ct = self.delegate.replace_const(bound_const, ct.ty()); + let ct = self.delegate.replace_const(bound_const); debug_assert!(!ct.has_vars_bound_above(ty::INNERMOST)); ty::fold::shift_vars(self.tcx, ct, self.current_index.as_u32()) } @@ -282,7 +282,7 @@ impl<'tcx> TyCtxt<'tcx> { let delegate = FnMutDelegate { regions: &mut replace_regions, types: &mut |b| bug!("unexpected bound ty in binder: {b:?}"), - consts: &mut |b, ty| bug!("unexpected bound ct in binder: {b:?} {ty}"), + consts: &mut |b| bug!("unexpected bound ct in binder: {b:?}"), }; let mut replacer = BoundVarReplacer::new(self, delegate); value.fold_with(&mut replacer) @@ -353,9 +353,7 @@ impl<'tcx> TyCtxt<'tcx> { ty::BoundTy { var: shift_bv(t.var), kind: t.kind }, ) }, - consts: &mut |c, ty: Ty<'tcx>| { - ty::Const::new_bound(self, ty::INNERMOST, shift_bv(c), ty) - }, + consts: &mut |c| ty::Const::new_bound(self, ty::INNERMOST, shift_bv(c)), }, ) } @@ -398,12 +396,12 @@ impl<'tcx> TyCtxt<'tcx> { .expect_ty(); Ty::new_bound(self.tcx, ty::INNERMOST, BoundTy { var, kind }) } - fn replace_const(&mut self, bv: ty::BoundVar, ty: Ty<'tcx>) -> ty::Const<'tcx> { + fn replace_const(&mut self, bv: ty::BoundVar) -> ty::Const<'tcx> { let entry = self.map.entry(bv); let index = entry.index(); let var = ty::BoundVar::from_usize(index); let () = entry.or_insert_with(|| ty::BoundVariableKind::Const).expect_const(); - ty::Const::new_bound(self.tcx, ty::INNERMOST, var, ty) + ty::Const::new_bound(self.tcx, ty::INNERMOST, var) } } diff --git a/compiler/rustc_middle/src/ty/generic_args.rs b/compiler/rustc_middle/src/ty/generic_args.rs index c3ab755175d8..7fff3d013249 100644 --- a/compiler/rustc_middle/src/ty/generic_args.rs +++ b/compiler/rustc_middle/src/ty/generic_args.rs @@ -228,7 +228,7 @@ impl<'tcx> GenericArg<'tcx> { ptr.cast::>>().as_ref(), ))), CONST_TAG => GenericArgKind::Const(ty::Const(Interned::new_unchecked( - ptr.cast::>>().as_ref(), + ptr.cast::>>().as_ref(), ))), _ => intrinsics::unreachable(), } @@ -454,11 +454,11 @@ impl<'tcx> GenericArgs<'tcx> { def_id: DefId, original_args: &[GenericArg<'tcx>], ) -> GenericArgsRef<'tcx> { - ty::GenericArgs::for_item(tcx, def_id, |def, args| { + ty::GenericArgs::for_item(tcx, def_id, |def, _| { if let Some(arg) = original_args.get(def.index as usize) { *arg } else { - def.to_error(tcx, args) + def.to_error(tcx) } }) } diff --git a/compiler/rustc_middle/src/ty/generics.rs b/compiler/rustc_middle/src/ty/generics.rs index 89ba8cd2ad4c..185dbe447358 100644 --- a/compiler/rustc_middle/src/ty/generics.rs +++ b/compiler/rustc_middle/src/ty/generics.rs @@ -100,19 +100,11 @@ impl GenericParamDef { } } - pub fn to_error<'tcx>( - &self, - tcx: TyCtxt<'tcx>, - preceding_args: &[ty::GenericArg<'tcx>], - ) -> ty::GenericArg<'tcx> { + pub fn to_error<'tcx>(&self, tcx: TyCtxt<'tcx>) -> ty::GenericArg<'tcx> { match &self.kind { ty::GenericParamDefKind::Lifetime => ty::Region::new_error_misc(tcx).into(), ty::GenericParamDefKind::Type { .. } => Ty::new_misc_error(tcx).into(), - ty::GenericParamDefKind::Const { .. } => ty::Const::new_misc_error( - tcx, - tcx.type_of(self.def_id).instantiate(tcx, preceding_args), - ) - .into(), + ty::GenericParamDefKind::Const { .. } => ty::Const::new_misc_error(tcx).into(), } } } diff --git a/compiler/rustc_middle/src/ty/layout.rs b/compiler/rustc_middle/src/ty/layout.rs index a2df90b2c0f8..142872009bf2 100644 --- a/compiler/rustc_middle/src/ty/layout.rs +++ b/compiler/rustc_middle/src/ty/layout.rs @@ -385,9 +385,7 @@ impl<'tcx> SizeSkeleton<'tcx> { ), } } - ty::Array(inner, len) - if len.ty() == tcx.types.usize && tcx.features().transmute_generic_consts => - { + ty::Array(inner, len) if tcx.features().transmute_generic_consts => { let len_eval = len.try_eval_target_usize(tcx, param_env); if len_eval == Some(0) { return Ok(SizeSkeleton::Known(Size::from_bytes(0))); diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs index c6028ef74a9f..fc42a11cff01 100644 --- a/compiler/rustc_middle/src/ty/mod.rs +++ b/compiler/rustc_middle/src/ty/mod.rs @@ -87,7 +87,7 @@ pub use self::closure::{ CAPTURE_STRUCT_LOCAL, }; pub use self::consts::{ - Const, ConstData, ConstInt, ConstKind, Expr, ExprKind, ScalarInt, UnevaluatedConst, ValTree, + Const, ConstInt, ConstKind, Expr, ExprKind, ScalarInt, UnevaluatedConst, ValTree, }; pub use self::context::{ tls, CtxtInterners, CurrentGcx, DeducedParamAttrs, Feed, FreeRegionInfo, GlobalCtxt, Lift, @@ -617,7 +617,7 @@ impl<'tcx> Term<'tcx> { ptr.cast::>>().as_ref(), ))), CONST_TAG => TermKind::Const(ty::Const(Interned::new_unchecked( - ptr.cast::>>().as_ref(), + ptr.cast::>>().as_ref(), ))), _ => core::intrinsics::unreachable(), } diff --git a/compiler/rustc_middle/src/ty/opaque_types.rs b/compiler/rustc_middle/src/ty/opaque_types.rs index bbcbcdce1b2e..52902aadd7c7 100644 --- a/compiler/rustc_middle/src/ty/opaque_types.rs +++ b/compiler/rustc_middle/src/ty/opaque_types.rs @@ -216,7 +216,7 @@ impl<'tcx> TypeFolder> for ReverseMapper<'tcx> { }) .emit_unless(self.ignore_errors); - ty::Const::new_error(self.tcx, guar, ct.ty()) + ty::Const::new_error(self.tcx, guar) } } } diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs index 1b37078e703d..8fec654acc58 100644 --- a/compiler/rustc_middle/src/ty/print/pretty.rs +++ b/compiler/rustc_middle/src/ty/print/pretty.rs @@ -1467,7 +1467,7 @@ pub trait PrettyPrinter<'tcx>: Printer<'tcx> + fmt::Write { write!(this, "_")?; Ok(()) }, - |this| this.print_type(ct.ty()), + |this| this.print_type(todo!()), ": ", )?; } else { @@ -1512,7 +1512,7 @@ pub trait PrettyPrinter<'tcx>: Printer<'tcx> + fmt::Write { }, ty::ConstKind::Param(ParamConst { name, .. }) => p!(write("{}", name)), ty::ConstKind::Value(value) => { - return self.pretty_print_const_valtree(value, ct.ty(), print_ty); + return self.pretty_print_const_valtree(value, todo!(), print_ty); } ty::ConstKind::Bound(debruijn, bound_var) => { diff --git a/compiler/rustc_middle/src/ty/relate.rs b/compiler/rustc_middle/src/ty/relate.rs index a621d255a03e..b0581f89380c 100644 --- a/compiler/rustc_middle/src/ty/relate.rs +++ b/compiler/rustc_middle/src/ty/relate.rs @@ -652,18 +652,17 @@ pub fn structurally_relate_consts<'tcx, R: TypeRelation<'tcx>>( // and is the better alternative to waiting until `generic_const_exprs` can // be stabilized. (ty::ConstKind::Unevaluated(au), ty::ConstKind::Unevaluated(bu)) if au.def == bu.def => { - assert_eq!(a.ty(), b.ty()); + let a_ty = tcx.type_of(au.def).instantiate(tcx, au.args); + let b_ty = tcx.type_of(bu.def).instantiate(tcx, bu.args); + assert_eq!(a_ty, b_ty); + let args = relation.relate_with_variance( ty::Variance::Invariant, ty::VarianceDiagInfo::default(), au.args, bu.args, )?; - return Ok(ty::Const::new_unevaluated( - tcx, - ty::UnevaluatedConst { def: au.def, args }, - a.ty(), - )); + return Ok(ty::Const::new_unevaluated(tcx, ty::UnevaluatedConst { def: au.def, args })); } (ty::ConstKind::Expr(ae), ty::ConstKind::Expr(be)) => { match (ae.kind, be.kind) { @@ -676,7 +675,7 @@ pub fn structurally_relate_consts<'tcx, R: TypeRelation<'tcx>>( } let args = relation.relate(ae.args(), be.args())?; - return Ok(ty::Const::new_expr(tcx, ty::Expr::new(ae.kind, args), a.ty())); + return Ok(ty::Const::new_expr(tcx, ty::Expr::new(ae.kind, args))); } _ => false, }; diff --git a/compiler/rustc_middle/src/ty/structural_impls.rs b/compiler/rustc_middle/src/ty/structural_impls.rs index 7a291b4dbff6..ee235d3781b8 100644 --- a/compiler/rustc_middle/src/ty/structural_impls.rs +++ b/compiler/rustc_middle/src/ty/structural_impls.rs @@ -210,17 +210,14 @@ impl<'tcx> DebugWithInfcx> for ty::Const<'tcx> { bug!("we checked that this is a valtree") }; let mut cx = FmtPrinter::new(tcx, Namespace::ValueNS); - cx.pretty_print_const_valtree(valtree, lifted.ty(), /*print_ty*/ true)?; + // THISPR + todo!(); + // cx.pretty_print_const_valtree(valtree, lifted.ty(), /*print_ty*/ true)?; f.write_str(&cx.into_buffer()) }); } // Fall back to something verbose. - write!( - f, - "{kind:?}: {ty:?}", - ty = &this.map(|data| data.ty()), - kind = &this.map(|data| data.kind()) - ) + write!(f, "{kind:?}", kind = &this.map(|data| data.kind())) } } @@ -647,7 +644,6 @@ impl<'tcx> TypeSuperFoldable> for ty::Const<'tcx> { self, folder: &mut F, ) -> Result { - let ty = self.ty().try_fold_with(folder)?; let kind = match self.kind() { ConstKind::Param(p) => ConstKind::Param(p.try_fold_with(folder)?), ConstKind::Infer(i) => ConstKind::Infer(i.try_fold_with(folder)?), @@ -660,17 +656,12 @@ impl<'tcx> TypeSuperFoldable> for ty::Const<'tcx> { ConstKind::Error(e) => ConstKind::Error(e.try_fold_with(folder)?), ConstKind::Expr(e) => ConstKind::Expr(e.try_fold_with(folder)?), }; - if ty != self.ty() || kind != self.kind() { - Ok(folder.interner().mk_ct_from_kind(kind, ty)) - } else { - Ok(self) - } + if kind != self.kind() { Ok(folder.interner().mk_ct_from_kind(kind)) } else { Ok(self) } } } impl<'tcx> TypeSuperVisitable> for ty::Const<'tcx> { fn super_visit_with>>(&self, visitor: &mut V) -> V::Result { - try_visit!(self.ty().visit_with(visitor)); match self.kind() { ConstKind::Param(p) => p.visit_with(visitor), ConstKind::Infer(i) => i.visit_with(visitor), diff --git a/compiler/rustc_middle/src/ty/walk.rs b/compiler/rustc_middle/src/ty/walk.rs index 58f69d772ecb..9b313fc7bf0a 100644 --- a/compiler/rustc_middle/src/ty/walk.rs +++ b/compiler/rustc_middle/src/ty/walk.rs @@ -212,21 +212,18 @@ fn push_inner<'tcx>(stack: &mut TypeWalkerStack<'tcx>, parent: GenericArg<'tcx>) } }, GenericArgKind::Lifetime(_) => {} - GenericArgKind::Const(parent_ct) => { - stack.push(parent_ct.ty().into()); - match parent_ct.kind() { - ty::ConstKind::Infer(_) - | ty::ConstKind::Param(_) - | ty::ConstKind::Placeholder(_) - | ty::ConstKind::Bound(..) - | ty::ConstKind::Value(_) - | ty::ConstKind::Error(_) => {} + GenericArgKind::Const(parent_ct) => match parent_ct.kind() { + ty::ConstKind::Infer(_) + | ty::ConstKind::Param(_) + | ty::ConstKind::Placeholder(_) + | ty::ConstKind::Bound(..) + | ty::ConstKind::Value(_) + | ty::ConstKind::Error(_) => {} - ty::ConstKind::Expr(expr) => stack.extend(expr.args().iter().rev()), - ty::ConstKind::Unevaluated(ct) => { - stack.extend(ct.args.iter().rev()); - } + ty::ConstKind::Expr(expr) => stack.extend(expr.args().iter().rev()), + ty::ConstKind::Unevaluated(ct) => { + stack.extend(ct.args.iter().rev()); } - } + }, } } diff --git a/compiler/rustc_mir_build/src/build/expr/as_constant.rs b/compiler/rustc_mir_build/src/build/expr/as_constant.rs index f7229326c541..5eed6995fff8 100644 --- a/compiler/rustc_mir_build/src/build/expr/as_constant.rs +++ b/compiler/rustc_mir_build/src/build/expr/as_constant.rs @@ -50,9 +50,7 @@ pub(crate) fn as_constant_inner<'tcx>( let const_ = match lit_to_mir_constant(tcx, LitToConstInput { lit: &lit.node, ty, neg }) { Ok(c) => c, - Err(LitToConstError::Reported(guar)) => { - Const::Ty(ty::Const::new_error(tcx, guar, ty)) - } + Err(LitToConstError::Reported(guar)) => Const::Ty(ty::Const::new_error(tcx, guar)), Err(LitToConstError::TypeError) => { bug!("encountered type error in `lit_to_mir_constant`") } @@ -83,7 +81,7 @@ pub(crate) fn as_constant_inner<'tcx>( ConstOperand { user_ty, span, const_ } } ExprKind::ConstParam { param, def_id: _ } => { - let const_param = ty::Const::new_param(tcx, param, expr.ty); + let const_param = ty::Const::new_param(tcx, param); let const_ = Const::Ty(const_param); ConstOperand { user_ty: None, span, const_ } diff --git a/compiler/rustc_next_trait_solver/src/canonicalizer.rs b/compiler/rustc_next_trait_solver/src/canonicalizer.rs index 127ebde5fec3..8b96519c3211 100644 --- a/compiler/rustc_next_trait_solver/src/canonicalizer.rs +++ b/compiler/rustc_next_trait_solver/src/canonicalizer.rs @@ -386,23 +386,15 @@ impl, I: Interner> TypeFolder } fn fold_const(&mut self, c: I::Const) -> I::Const { - // We could canonicalize all consts with static types, but the only ones we - // *really* need to worry about are the ones that we end up putting into `CanonicalVarKind` - // since canonical vars can't reference other canonical vars. - let ty = c - .ty() - .fold_with(&mut RegionsToStatic { interner: self.interner(), binder: ty::INNERMOST }); let kind = match c.kind() { ty::ConstKind::Infer(i) => match i { ty::InferConst::Var(vid) => { - // We compare `kind`s here because we've folded the `ty` with `RegionsToStatic` - // so we'll get a mismatch in types if it actually changed any regions. assert_eq!( - self.infcx.opportunistic_resolve_ct_var(vid, ty).kind(), - c.kind(), - "region vid should have been resolved fully before canonicalization" + self.infcx.opportunistic_resolve_ct_var(vid), + c, + "const vid should have been resolved fully before canonicalization" ); - CanonicalVarKind::Const(self.infcx.universe_of_ct(vid).unwrap(), ty) + CanonicalVarKind::Const(self.infcx.universe_of_ct(vid).unwrap()) } ty::InferConst::EffectVar(_) => CanonicalVarKind::Effect, ty::InferConst::Fresh(_) => todo!(), @@ -410,16 +402,14 @@ impl, I: Interner> TypeFolder ty::ConstKind::Placeholder(placeholder) => match self.canonicalize_mode { CanonicalizeMode::Input => CanonicalVarKind::PlaceholderConst( PlaceholderLike::new(placeholder.universe(), self.variables.len().into()), - ty, ), CanonicalizeMode::Response { .. } => { - CanonicalVarKind::PlaceholderConst(placeholder, ty) + CanonicalVarKind::PlaceholderConst(placeholder) } }, ty::ConstKind::Param(_) => match self.canonicalize_mode { CanonicalizeMode::Input => CanonicalVarKind::PlaceholderConst( PlaceholderLike::new(ty::UniverseIndex::ROOT, self.variables.len().into()), - ty, ), CanonicalizeMode::Response { .. } => panic!("param ty in response: {c:?}"), }, @@ -440,34 +430,6 @@ impl, I: Interner> TypeFolder }), ); - Const::new_anon_bound(self.interner(), self.binder_index, var, ty) - } -} - -struct RegionsToStatic { - interner: I, - binder: ty::DebruijnIndex, -} - -impl TypeFolder for RegionsToStatic { - fn interner(&self) -> I { - self.interner - } - - fn fold_binder(&mut self, t: ty::Binder) -> ty::Binder - where - T: TypeFoldable, - { - self.binder.shift_in(1); - let t = t.super_fold_with(self); - self.binder.shift_out(1); - t - } - - fn fold_region(&mut self, r: I::Region) -> I::Region { - match r.kind() { - ty::ReBound(db, _) if self.binder > db => r, - _ => Region::new_static(self.interner()), - } + Const::new_anon_bound(self.interner(), self.binder_index, var) } } diff --git a/compiler/rustc_next_trait_solver/src/resolve.rs b/compiler/rustc_next_trait_solver/src/resolve.rs index 1333b4aa7d83..92e05cc4901a 100644 --- a/compiler/rustc_next_trait_solver/src/resolve.rs +++ b/compiler/rustc_next_trait_solver/src/resolve.rs @@ -58,8 +58,7 @@ impl, I: Interner> TypeFolder for EagerRes fn fold_const(&mut self, c: I::Const) -> I::Const { match c.kind() { ty::ConstKind::Infer(ty::InferConst::Var(vid)) => { - let ty = c.ty().fold_with(self); - let resolved = self.infcx.opportunistic_resolve_ct_var(vid, ty); + let resolved = self.infcx.opportunistic_resolve_ct_var(vid); if c != resolved && resolved.has_infer() { resolved.fold_with(self) } else { @@ -67,9 +66,7 @@ impl, I: Interner> TypeFolder for EagerRes } } ty::ConstKind::Infer(ty::InferConst::EffectVar(vid)) => { - let bool = Ty::new_bool(self.infcx.interner()); - debug_assert_eq!(c.ty(), bool); - self.infcx.opportunistic_resolve_effect_var(vid, bool) + self.infcx.opportunistic_resolve_effect_var(vid) } _ => { if c.has_infer() { diff --git a/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/encode.rs b/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/encode.rs index d67132d2dd4f..22224e1cc959 100644 --- a/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/encode.rs +++ b/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/encode.rs @@ -111,7 +111,8 @@ fn encode_const<'tcx>( // LE as literal argument // Element type - s.push_str(&encode_ty(tcx, c.ty(), dict, options)); + // THISPR + s.push_str(&encode_ty(tcx, todo!(), dict, options)); } // Literal arguments @@ -119,12 +120,14 @@ fn encode_const<'tcx>( // L[n]E as literal argument // Element type - s.push_str(&encode_ty(tcx, c.ty(), dict, options)); + // THISPR + let ct_ty: Ty<'tcx> = todo!(); + s.push_str(&encode_ty(tcx, ct_ty, dict, options)); // The only allowed types of const values are bool, u8, u16, u32, // u64, u128, usize i8, i16, i32, i64, i128, isize, and char. The // bool value false is encoded as 0 and true as 1. - match c.ty().kind() { + match ct_ty.kind() { ty::Int(ity) => { let bits = c.eval_bits(tcx, ty::ParamEnv::reveal_all()); let val = Integer::from_int_ty(&tcx, *ity).size().sign_extend(bits) as i128; @@ -142,7 +145,7 @@ fn encode_const<'tcx>( let _ = write!(s, "{val}"); } _ => { - bug!("encode_const: unexpected type `{:?}`", c.ty()); + bug!("encode_const: unexpected type `{:?}`", ct_ty); } } } diff --git a/compiler/rustc_smir/src/rustc_smir/convert/ty.rs b/compiler/rustc_smir/src/rustc_smir/convert/ty.rs index 1f3356f579fe..4d60dd73c3cc 100644 --- a/compiler/rustc_smir/src/rustc_smir/convert/ty.rs +++ b/compiler/rustc_smir/src/rustc_smir/convert/ty.rs @@ -463,7 +463,10 @@ impl<'tcx> Stable<'tcx> for ty::Const<'tcx> { ty::ValTree::Branch(tables.tcx.lift(branch).unwrap()) } }; - let ty = tables.tcx.lift(self.ty()).unwrap(); + + // THISPR + let ty = todo!(); + // let ty = tables.tcx.lift(c.ty()).unwrap(); let const_val = tables.tcx.valtree_to_const_val((ty, val)); if matches!(const_val, mir::ConstValue::ZeroSized) { stable_mir::ty::TyConstKind::ZSTValue(ty.stable(tables)) diff --git a/compiler/rustc_symbol_mangling/src/legacy.rs b/compiler/rustc_symbol_mangling/src/legacy.rs index 0ed1f67bb821..1fea9b561a26 100644 --- a/compiler/rustc_symbol_mangling/src/legacy.rs +++ b/compiler/rustc_symbol_mangling/src/legacy.rs @@ -269,16 +269,21 @@ impl<'tcx> Printer<'tcx> for SymbolPrinter<'tcx> { } fn print_const(&mut self, ct: ty::Const<'tcx>) -> Result<(), PrintError> { + // THISPR + let ct_ty: Ty<'tcx> = todo!(); + // only print integers - match (ct.kind(), ct.ty().kind()) { + match (ct.kind(), ct_ty.kind()) { (ty::ConstKind::Value(ty::ValTree::Leaf(scalar)), ty::Int(_) | ty::Uint(_)) => { // The `pretty_print_const` formatting depends on -Zverbose-internals // flag, so we cannot reuse it here. - let signed = matches!(ct.ty().kind(), ty::Int(_)); + let signed = matches!(ct_ty.kind(), ty::Int(_)); write!( self, "{:#?}", - ty::ConstInt::new(scalar, signed, ct.ty().is_ptr_sized_integral()) + // THISPR + // ct.ty().is_ptr_sized_integral() + ty::ConstInt::new(scalar, signed, todo!()) )?; } _ => self.write_str("_")?, diff --git a/compiler/rustc_symbol_mangling/src/v0.rs b/compiler/rustc_symbol_mangling/src/v0.rs index 57b1542ff5a4..bb45fd07bee4 100644 --- a/compiler/rustc_symbol_mangling/src/v0.rs +++ b/compiler/rustc_symbol_mangling/src/v0.rs @@ -567,7 +567,9 @@ impl<'tcx> Printer<'tcx> for SymbolMangler<'tcx> { } let start = self.out.len(); - let ty = ct.ty(); + // THISPR + let ty: Ty<'tcx> = todo!(); + // let ty = ct.ty(); match ty.kind() { ty::Uint(_) | ty::Int(_) | ty::Bool | ty::Char => { @@ -626,12 +628,10 @@ impl<'tcx> Printer<'tcx> for SymbolMangler<'tcx> { } } _ => { - let pointee_ty = ct - .ty() - .builtin_deref(true) - .expect("tried to dereference on non-ptr type"); + let pointee_ty = + ty.builtin_deref(true).expect("tried to dereference on non-ptr type"); // FIXME(const_generics): add an assert that we only do this for valtrees. - let dereferenced_const = self.tcx.mk_ct_from_kind(ct.kind(), pointee_ty); + let dereferenced_const = self.tcx.mk_ct_from_kind(ct.kind()); dereferenced_const.print(self)?; } } @@ -649,7 +649,7 @@ impl<'tcx> Printer<'tcx> for SymbolMangler<'tcx> { Ok(()) }; - match *ct.ty().kind() { + match *ty.kind() { ty::Array(..) | ty::Slice(_) => { self.push("A"); print_field_list(self)?; @@ -698,7 +698,7 @@ impl<'tcx> Printer<'tcx> for SymbolMangler<'tcx> { } } _ => { - bug!("symbol_names: unsupported constant of type `{}` ({:?})", ct.ty(), ct); + bug!("symbol_names: unsupported constant of type `{}` ({:?})", ty, ct); } } diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs index 690c1797f239..0e0b9e983391 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs @@ -444,7 +444,7 @@ pub(in crate::solve) fn instantiate_canonical_state<'tcx, T: TypeFoldable infcx.next_ty_var(span).into(), - ty::GenericArgKind::Const(ct) => infcx.next_const_var(ct.ty(), span).into(), + ty::GenericArgKind::Const(_) => infcx.next_const_var(span).into(), }; orig_values.push(unconstrained); diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs index f18f1f4f8f0d..eecceaec6a78 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs @@ -609,8 +609,8 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { ty } - pub(super) fn next_const_infer(&mut self, ty: Ty<'tcx>) -> ty::Const<'tcx> { - let ct = self.infcx.next_const_var(ty, DUMMY_SP); + pub(super) fn next_const_infer(&mut self) -> ty::Const<'tcx> { + let ct = self.infcx.next_const_var(DUMMY_SP); self.inspect.add_var_value(ct); ct } @@ -620,7 +620,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { pub(super) fn next_term_infer_of_kind(&mut self, kind: ty::Term<'tcx>) -> ty::Term<'tcx> { match kind.unpack() { ty::TermKind::Ty(_) => self.next_ty_infer().into(), - ty::TermKind::Const(ct) => self.next_const_infer(ct.ty()).into(), + ty::TermKind::Const(_) => self.next_const_infer().into(), } } @@ -1037,14 +1037,14 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { &self, param_env: ty::ParamEnv<'tcx>, unevaluated: ty::UnevaluatedConst<'tcx>, - ty: Ty<'tcx>, ) -> Option> { use rustc_middle::mir::interpret::ErrorHandled; match self.infcx.const_eval_resolve(param_env, unevaluated, DUMMY_SP) { - Ok(Some(val)) => Some(ty::Const::new_value(self.interner(), val, ty)), + // THISPR + Ok(Some(val)) => Some(ty::Const::new_value(self.interner(), val, todo!())), Ok(None) | Err(ErrorHandled::TooGeneric(_)) => None, Err(ErrorHandled::Reported(e, _)) => { - Some(ty::Const::new_error(self.interner(), e.into(), ty)) + Some(ty::Const::new_error(self.interner(), e.into())) } } } @@ -1124,7 +1124,7 @@ impl<'tcx> TypeFolder> for ReplaceAliasWithInfer<'_, '_, 'tcx> { fn fold_const(&mut self, ct: ty::Const<'tcx>) -> ty::Const<'tcx> { match ct.kind() { ty::ConstKind::Unevaluated(..) if !ct.has_escaping_bound_vars() => { - let infer_ct = self.ecx.next_const_infer(ct.ty()); + let infer_ct = self.ecx.next_const_infer(); let normalizes_to = ty::PredicateKind::AliasRelate( ct.into(), infer_ct.into(), diff --git a/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs b/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs index 1f27978e5a62..19c95dad48cb 100644 --- a/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs +++ b/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs @@ -208,7 +208,7 @@ impl<'a, 'tcx> InspectCandidate<'a, 'tcx> { Some(ty::PredicateKind::NormalizesTo(ty::NormalizesTo { alias, term })) => { let unconstrained_term = match term.unpack() { ty::TermKind::Ty(_) => infcx.next_ty_var(span).into(), - ty::TermKind::Const(ct) => infcx.next_const_var(ct.ty(), span).into(), + ty::TermKind::Const(_) => infcx.next_const_var(span).into(), }; let goal = goal.with(infcx.tcx, ty::NormalizesTo { alias, term: unconstrained_term }); diff --git a/compiler/rustc_trait_selection/src/solve/mod.rs b/compiler/rustc_trait_selection/src/solve/mod.rs index 68a4831c3350..be5b36c5c8a0 100644 --- a/compiler/rustc_trait_selection/src/solve/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/mod.rs @@ -169,7 +169,7 @@ impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { // FIXME(generic_const_exprs): Implement handling for generic // const expressions here. - if let Some(_normalized) = self.try_const_eval_resolve(param_env, uv, ct.ty()) { + if let Some(_normalized) = self.try_const_eval_resolve(param_env, uv) { self.evaluate_added_goals_and_make_canonical_response(Certainty::Yes) } else { self.evaluate_added_goals_and_make_canonical_response(Certainty::AMBIGUOUS) @@ -217,7 +217,8 @@ impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { self.evaluate_added_goals_and_make_canonical_response(Certainty::Yes) } _ => { - self.eq(goal.param_env, ct.ty(), ty)?; + // THISPR + self.eq(goal.param_env, todo!(), ty)?; self.evaluate_added_goals_and_make_canonical_response(Certainty::Yes) } } diff --git a/compiler/rustc_trait_selection/src/solve/normalize.rs b/compiler/rustc_trait_selection/src/solve/normalize.rs index c60d1aed415a..f42edebfcc42 100644 --- a/compiler/rustc_trait_selection/src/solve/normalize.rs +++ b/compiler/rustc_trait_selection/src/solve/normalize.rs @@ -109,7 +109,6 @@ where fn normalize_unevaluated_const( &mut self, - ty: Ty<'tcx>, uv: ty::UnevaluatedConst<'tcx>, ) -> Result, Vec> { let infcx = self.at.infcx; @@ -126,7 +125,7 @@ where self.depth += 1; - let new_infer_ct = infcx.next_const_var(ty, self.at.cause.span); + let new_infer_ct = infcx.next_const_var(self.at.cause.span); let obligation = Obligation::new( tcx, self.at.cause.clone(), @@ -143,7 +142,7 @@ where let ct = infcx.resolve_vars_if_possible(new_infer_ct); ct.try_fold_with(self)? } else { - ty::Const::new_unevaluated(tcx, uv, ty).try_super_fold_with(self)? + ty::Const::new_unevaluated(tcx, uv).try_super_fold_with(self)? }; self.depth -= 1; @@ -214,7 +213,7 @@ where if uv.has_escaping_bound_vars() { let (uv, mapped_regions, mapped_types, mapped_consts) = BoundVarReplacer::replace_bound_vars(infcx, &mut self.universes, uv); - let result = ensure_sufficient_stack(|| self.normalize_unevaluated_const(ct.ty(), uv))?; + let result = ensure_sufficient_stack(|| self.normalize_unevaluated_const(uv))?; Ok(PlaceholderReplacer::replace_placeholders( infcx, mapped_regions, @@ -224,7 +223,7 @@ where result, )) } else { - ensure_sufficient_stack(|| self.normalize_unevaluated_const(ct.ty(), uv)) + ensure_sufficient_stack(|| self.normalize_unevaluated_const(uv)) } } } diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/anon_const.rs b/compiler/rustc_trait_selection/src/solve/normalizes_to/anon_const.rs index 362c4072278d..a6e4b6ff4a81 100644 --- a/compiler/rustc_trait_selection/src/solve/normalizes_to/anon_const.rs +++ b/compiler/rustc_trait_selection/src/solve/normalizes_to/anon_const.rs @@ -12,10 +12,6 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { if let Some(normalized_const) = self.try_const_eval_resolve( goal.param_env, ty::UnevaluatedConst::new(goal.predicate.alias.def_id, goal.predicate.alias.args), - self.interner() - .type_of(goal.predicate.alias.def_id) - .no_bound_vars() - .expect("const ty should not rely on other generics"), ) { self.instantiate_normalizes_to_term(goal, normalized_const.into()); self.evaluate_added_goals_and_make_canonical_response(Certainty::Yes) diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs b/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs index 8c63bd824bc0..787f08a084ee 100644 --- a/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs @@ -201,13 +201,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { let error_response = |ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, reason| { let guar = tcx.dcx().span_delayed_bug(tcx.def_span(assoc_def.item.def_id), reason); let error_term = match assoc_def.item.kind { - ty::AssocKind::Const => ty::Const::new_error( - tcx, - guar, - tcx.type_of(goal.predicate.def_id()) - .instantiate(tcx, goal.predicate.alias.args), - ) - .into(), + ty::AssocKind::Const => ty::Const::new_error(tcx, guar).into(), ty::AssocKind::Type => Ty::new_error(tcx, guar).into(), // This makes no sense... ty::AssocKind::Fn => span_bug!( @@ -253,7 +247,6 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { ty::EarlyBinder::bind( ty::Const::new_error_with_message( tcx, - tcx.type_of(assoc_def.item.def_id).instantiate_identity(), DUMMY_SP, "associated const projection is not supported yet", ) diff --git a/compiler/rustc_trait_selection/src/traits/auto_trait.rs b/compiler/rustc_trait_selection/src/traits/auto_trait.rs index 6623a86e69ff..c3a25a50c7fb 100644 --- a/compiler/rustc_trait_selection/src/traits/auto_trait.rs +++ b/compiler/rustc_trait_selection/src/traits/auto_trait.rs @@ -765,7 +765,8 @@ impl<'tcx> AutoTraitFinder<'tcx> { unevaluated, obligation.cause.span, ) { - Ok(Some(valtree)) => Ok(ty::Const::new_value(selcx.tcx(),valtree, c.ty())), + // THISPR + Ok(Some(valtree)) => Ok(ty::Const::new_value(selcx.tcx(),valtree, todo!())), Ok(None) => { let tcx = self.tcx; let reported = diff --git a/compiler/rustc_trait_selection/src/traits/coherence.rs b/compiler/rustc_trait_selection/src/traits/coherence.rs index 7723f2229bf9..7120a061e5b3 100644 --- a/compiler/rustc_trait_selection/src/traits/coherence.rs +++ b/compiler/rustc_trait_selection/src/traits/coherence.rs @@ -529,7 +529,6 @@ fn plug_infer_with_placeholders<'tcx>( ty::Const::new_placeholder( self.infcx.tcx, ty::Placeholder { universe: self.universe, bound: self.next_var() }, - ct.ty(), ), ) else { diff --git a/compiler/rustc_trait_selection/src/traits/const_evaluatable.rs b/compiler/rustc_trait_selection/src/traits/const_evaluatable.rs index 8348482386f7..7d9771af5afa 100644 --- a/compiler/rustc_trait_selection/src/traits/const_evaluatable.rs +++ b/compiler/rustc_trait_selection/src/traits/const_evaluatable.rs @@ -173,8 +173,7 @@ fn satisfied_from_param_env<'tcx>( debug!("is_const_evaluatable: candidate={:?}", c); if self.infcx.probe(|_| { let ocx = ObligationCtxt::new(self.infcx); - ocx.eq(&ObligationCause::dummy(), self.param_env, c.ty(), self.ct.ty()).is_ok() - && ocx.eq(&ObligationCause::dummy(), self.param_env, c, self.ct).is_ok() + ocx.eq(&ObligationCause::dummy(), self.param_env, c, self.ct).is_ok() && ocx.select_all_or_error().is_empty() }) { self.single_match = match self.single_match { @@ -215,7 +214,6 @@ fn satisfied_from_param_env<'tcx>( if let Some(Ok(c)) = single_match { let ocx = ObligationCtxt::new(infcx); - assert!(ocx.eq(&ObligationCause::dummy(), param_env, c.ty(), ct.ty()).is_ok()); assert!(ocx.eq(&ObligationCause::dummy(), param_env, c, ct).is_ok()); assert!(ocx.select_all_or_error().is_empty()); return true; diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs index 9a0929baeaf2..416b62226cd8 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs @@ -920,7 +920,8 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { &obligation.cause, None, None, - TypeError::Sorts(ty::error::ExpectedFound::new(true, ty, ct.ty())), + // THISPR + TypeError::Sorts(ty::error::ExpectedFound::new(true, ty, todo!())), false, false, ); diff --git a/compiler/rustc_trait_selection/src/traits/fulfill.rs b/compiler/rustc_trait_selection/src/traits/fulfill.rs index a26288efc96d..277b52e274be 100644 --- a/compiler/rustc_trait_selection/src/traits/fulfill.rs +++ b/compiler/rustc_trait_selection/src/traits/fulfill.rs @@ -459,7 +459,8 @@ impl<'a, 'tcx> ObligationProcessor for FulfillProcessor<'a, 'tcx> { match self.selcx.infcx.at(&obligation.cause, obligation.param_env).eq( // Only really excercised by generic_const_exprs DefineOpaqueTypes::Yes, - ct.ty(), + // THISPR + todo!(), ty, ) { Ok(inf_ok) => { @@ -633,7 +634,6 @@ impl<'a, 'tcx> ObligationProcessor for FulfillProcessor<'a, 'tcx> { match self.selcx.infcx.try_const_eval_resolve( obligation.param_env, unevaluated, - c.ty(), obligation.cause.span, ) { Ok(val) => Ok(val), diff --git a/compiler/rustc_trait_selection/src/traits/mod.rs b/compiler/rustc_trait_selection/src/traits/mod.rs index d918945dbed9..7be2c4a85c56 100644 --- a/compiler/rustc_trait_selection/src/traits/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/mod.rs @@ -359,7 +359,7 @@ pub fn normalize_param_env_or_error<'tcx>( // `ty::Const::normalize` can only work with properly preserved binders. if c.has_escaping_bound_vars() { - return ty::Const::new_misc_error(self.0, c.ty()); + return ty::Const::new_misc_error(self.0); } // While it is pretty sus to be evaluating things with an empty param env, it // should actually be okay since without `feature(generic_const_exprs)` the only diff --git a/compiler/rustc_trait_selection/src/traits/project.rs b/compiler/rustc_trait_selection/src/traits/project.rs index 501d9c9266e6..2c9cb79664b3 100644 --- a/compiler/rustc_trait_selection/src/traits/project.rs +++ b/compiler/rustc_trait_selection/src/traits/project.rs @@ -523,16 +523,9 @@ fn normalize_to_error<'a, 'tcx>( | ty::AliasTermKind::InherentTy | ty::AliasTermKind::OpaqueTy | ty::AliasTermKind::WeakTy => selcx.infcx.next_ty_var(cause.span).into(), - ty::AliasTermKind::UnevaluatedConst | ty::AliasTermKind::ProjectionConst => selcx - .infcx - .next_const_var( - selcx - .tcx() - .type_of(projection_term.def_id) - .instantiate(selcx.tcx(), projection_term.args), - cause.span, - ) - .into(), + ty::AliasTermKind::UnevaluatedConst | ty::AliasTermKind::ProjectionConst => { + selcx.infcx.next_const_var(cause.span).into() + } }; let trait_obligation = Obligation { cause, @@ -744,8 +737,6 @@ fn project<'cx, 'tcx>( obligation.predicate.def_id, obligation.predicate.args, ), - tcx.type_of(obligation.predicate.def_id) - .instantiate(tcx, obligation.predicate.args), ) .into(), kind => { @@ -2071,15 +2062,14 @@ fn confirm_impl_candidate<'cx, 'tcx>( // * `args` ends up as `[u32, S]` let args = obligation.predicate.args.rebase_onto(tcx, trait_def_id, args); let args = translate_args(selcx.infcx, param_env, impl_def_id, args, assoc_ty.defining_node); - let ty = tcx.type_of(assoc_ty.item.def_id); let is_const = matches!(tcx.def_kind(assoc_ty.item.def_id), DefKind::AssocConst); let term: ty::EarlyBinder<'tcx, ty::Term<'tcx>> = if is_const { let did = assoc_ty.item.def_id; let identity_args = crate::traits::GenericArgs::identity_for_item(tcx, did); let uv = ty::UnevaluatedConst::new(did, identity_args); - ty.map_bound(|ty| ty::Const::new_unevaluated(tcx, uv, ty).into()) + ty::EarlyBinder::bind(ty::Const::new_unevaluated(tcx, uv).into()) } else { - ty.map_bound(|ty| ty.into()) + tcx.type_of(assoc_ty.item.def_id).map_bound(|ty| ty.into()) }; if !tcx.check_args_compatible(assoc_ty.item.def_id, args) { let err = Ty::new_error_with_message( diff --git a/compiler/rustc_trait_selection/src/traits/select/confirmation.rs b/compiler/rustc_trait_selection/src/traits/select/confirmation.rs index ef0d8735d35f..749081006f39 100644 --- a/compiler/rustc_trait_selection/src/traits/select/confirmation.rs +++ b/compiler/rustc_trait_selection/src/traits/select/confirmation.rs @@ -665,9 +665,6 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { tcx, ty::INNERMOST, ty::BoundVar::from_usize(bound_vars.len() - 1), - tcx.type_of(param.def_id) - .no_bound_vars() - .expect("const parameter types cannot be generic"), ) .into() } diff --git a/compiler/rustc_trait_selection/src/traits/select/mod.rs b/compiler/rustc_trait_selection/src/traits/select/mod.rs index 2489b8916d18..93e6cbdf69af 100644 --- a/compiler/rustc_trait_selection/src/traits/select/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/select/mod.rs @@ -947,7 +947,6 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { match self.infcx.try_const_eval_resolve( obligation.param_env, unevaluated, - c.ty(), obligation.cause.span, ) { Ok(val) => Ok(val), @@ -1009,7 +1008,9 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { return Ok(EvaluatedToAmbig); } ty::ConstKind::Error(_) => return Ok(EvaluatedToOk), - _ => ct.ty(), + // THISPR + _ => todo!(), + // _ => ct.ty(), }; match self.infcx.at(&obligation.cause, obligation.param_env).eq( diff --git a/compiler/rustc_trait_selection/src/traits/util.rs b/compiler/rustc_trait_selection/src/traits/util.rs index 5d5a22e189ce..960c27b636e1 100644 --- a/compiler/rustc_trait_selection/src/traits/util.rs +++ b/compiler/rustc_trait_selection/src/traits/util.rs @@ -483,7 +483,7 @@ impl<'tcx> TypeFolder> for BoundVarReplacer<'_, 'tcx> { let universe = self.universe_for(debruijn); let p = ty::PlaceholderConst { universe, bound: bound_const }; self.mapped_consts.insert(p, bound_const); - ty::Const::new_placeholder(self.infcx.tcx, p, ct.ty()) + ty::Const::new_placeholder(self.infcx.tcx, p) } _ => ct.super_fold_with(self), } @@ -626,7 +626,7 @@ impl<'tcx> TypeFolder> for PlaceholderReplacer<'_, 'tcx> { let db = ty::DebruijnIndex::from_usize( self.universe_indices.len() - index + self.current_index.as_usize() - 1, ); - ty::Const::new_bound(self.infcx.tcx, db, *replace_var, ct.ty()) + ty::Const::new_bound(self.infcx.tcx, db, *replace_var) } None => { if ct.has_infer() { diff --git a/compiler/rustc_transmute/src/lib.rs b/compiler/rustc_transmute/src/lib.rs index 8d7d81d8f735..ccbcfed056fc 100644 --- a/compiler/rustc_transmute/src/lib.rs +++ b/compiler/rustc_transmute/src/lib.rs @@ -144,7 +144,8 @@ mod rustc { }); }; - let adt_def = c.ty().ty_adt_def()?; + let assume_def_id = tcx.get_lang_items(()).get(LangItem::TransmuteOpts)?; + let adt_def = tcx.adt_def(assume_def_id); assert_eq!( tcx.require_lang_item(LangItem::TransmuteOpts, None), diff --git a/compiler/rustc_ty_utils/src/consts.rs b/compiler/rustc_ty_utils/src/consts.rs index 8a42298f2164..b403e063d40f 100644 --- a/compiler/rustc_ty_utils/src/consts.rs +++ b/compiler/rustc_ty_utils/src/consts.rs @@ -32,7 +32,10 @@ fn destructure_const<'tcx>( _ => bug!("cannot destructure constant {:?}", const_), }; - let (fields, variant) = match const_.ty().kind() { + // THISPR + let ct_ty: Ty<'tcx> = todo!(); + + let (fields, variant) = match ct_ty.kind() { ty::Array(inner_ty, _) | ty::Slice(inner_ty) => { // construct the consts for the elements of the array/slice let field_consts = branches @@ -121,7 +124,7 @@ fn recurse_build<'tcx>( let sp = node.span; match tcx.at(sp).lit_to_const(LitToConstInput { lit: &lit.node, ty: node.ty, neg }) { Ok(c) => c, - Err(LitToConstError::Reported(guar)) => ty::Const::new_error(tcx, guar, node.ty), + Err(LitToConstError::Reported(guar)) => ty::Const::new_error(tcx, guar), Err(LitToConstError::TypeError) => { bug!("encountered type error in lit_to_const") } @@ -137,35 +140,31 @@ fn recurse_build<'tcx>( } &ExprKind::NamedConst { def_id, args, user_ty: _ } => { let uneval = ty::UnevaluatedConst::new(def_id, args); - ty::Const::new_unevaluated(tcx, uneval, node.ty) + ty::Const::new_unevaluated(tcx, uneval) } - ExprKind::ConstParam { param, .. } => ty::Const::new_param(tcx, *param, node.ty), + ExprKind::ConstParam { param, .. } => ty::Const::new_param(tcx, *param), ExprKind::Call { fun, args, .. } => { + let fun_ty = body.exprs[*fun].ty; let fun = recurse_build(tcx, body, *fun, root_span)?; let mut new_args = Vec::>::with_capacity(args.len()); for &id in args.iter() { new_args.push(recurse_build(tcx, body, id, root_span)?); } - ty::Const::new_expr( - tcx, - Expr::new_call(tcx, fun.ty(), fun, new_args.into_iter()), - node.ty, - ) + ty::Const::new_expr(tcx, Expr::new_call(tcx, fun_ty, fun, new_args.into_iter())) } &ExprKind::Binary { op, lhs, rhs } if check_binop(op) => { + let lhs_ty = body.exprs[lhs].ty; let lhs = recurse_build(tcx, body, lhs, root_span)?; + let rhs_ty = body.exprs[rhs].ty; let rhs = recurse_build(tcx, body, rhs, root_span)?; - ty::Const::new_expr( - tcx, - Expr::new_binop(tcx, op, lhs.ty(), rhs.ty(), lhs, rhs), - node.ty, - ) + ty::Const::new_expr(tcx, Expr::new_binop(tcx, op, lhs_ty, rhs_ty, lhs, rhs)) } &ExprKind::Unary { op, arg } if check_unop(op) => { + let arg_ty = body.exprs[arg].ty; let arg = recurse_build(tcx, body, arg, root_span)?; - ty::Const::new_expr(tcx, Expr::new_unop(tcx, op, arg.ty(), arg), node.ty) + ty::Const::new_expr(tcx, Expr::new_unop(tcx, op, arg_ty, arg)) } // This is necessary so that the following compiles: // @@ -187,20 +186,12 @@ fn recurse_build<'tcx>( &ExprKind::Use { source } => { let value_ty = body.exprs[source].ty; let value = recurse_build(tcx, body, source, root_span)?; - ty::Const::new_expr( - tcx, - Expr::new_cast(tcx, CastKind::Use, value_ty, value, node.ty), - node.ty, - ) + ty::Const::new_expr(tcx, Expr::new_cast(tcx, CastKind::Use, value_ty, value, node.ty)) } &ExprKind::Cast { source } => { let value_ty = body.exprs[source].ty; let value = recurse_build(tcx, body, source, root_span)?; - ty::Const::new_expr( - tcx, - Expr::new_cast(tcx, CastKind::As, value_ty, value, node.ty), - node.ty, - ) + ty::Const::new_expr(tcx, Expr::new_cast(tcx, CastKind::As, value_ty, value, node.ty)) } ExprKind::Borrow { arg, .. } => { let arg_node = &body.exprs[*arg]; diff --git a/compiler/rustc_type_ir/src/canonical.rs b/compiler/rustc_type_ir/src/canonical.rs index 1c30f03c6939..61ae36265ec7 100644 --- a/compiler/rustc_type_ir/src/canonical.rs +++ b/compiler/rustc_type_ir/src/canonical.rs @@ -115,8 +115,8 @@ impl CanonicalVarInfo { CanonicalVarKind::PlaceholderTy(_) => false, CanonicalVarKind::Region(_) => true, CanonicalVarKind::PlaceholderRegion(..) => false, - CanonicalVarKind::Const(..) => true, - CanonicalVarKind::PlaceholderConst(_, _) => false, + CanonicalVarKind::Const(_) => true, + CanonicalVarKind::PlaceholderConst(_) => false, CanonicalVarKind::Effect => true, } } @@ -126,8 +126,8 @@ impl CanonicalVarInfo { CanonicalVarKind::Region(_) | CanonicalVarKind::PlaceholderRegion(_) => true, CanonicalVarKind::Ty(_) | CanonicalVarKind::PlaceholderTy(_) - | CanonicalVarKind::Const(_, _) - | CanonicalVarKind::PlaceholderConst(_, _) + | CanonicalVarKind::Const(_) + | CanonicalVarKind::PlaceholderConst(_) | CanonicalVarKind::Effect => false, } } @@ -136,12 +136,12 @@ impl CanonicalVarInfo { match self.kind { CanonicalVarKind::Ty(_) | CanonicalVarKind::Region(_) - | CanonicalVarKind::Const(_, _) + | CanonicalVarKind::Const(_) | CanonicalVarKind::Effect => panic!("expected placeholder: {self:?}"), CanonicalVarKind::PlaceholderRegion(placeholder) => placeholder.var().as_usize(), CanonicalVarKind::PlaceholderTy(placeholder) => placeholder.var().as_usize(), - CanonicalVarKind::PlaceholderConst(placeholder, _) => placeholder.var().as_usize(), + CanonicalVarKind::PlaceholderConst(placeholder) => placeholder.var().as_usize(), } } } @@ -169,13 +169,13 @@ pub enum CanonicalVarKind { PlaceholderRegion(I::PlaceholderRegion), /// Some kind of const inference variable. - Const(UniverseIndex, I::Ty), + Const(UniverseIndex), /// Effect variable `'?E`. Effect, /// A "placeholder" that represents "any const". - PlaceholderConst(I::PlaceholderConst, I::Ty), + PlaceholderConst(I::PlaceholderConst), } impl PartialEq for CanonicalVarKind { @@ -185,10 +185,8 @@ impl PartialEq for CanonicalVarKind { (Self::PlaceholderTy(l0), Self::PlaceholderTy(r0)) => l0 == r0, (Self::Region(l0), Self::Region(r0)) => l0 == r0, (Self::PlaceholderRegion(l0), Self::PlaceholderRegion(r0)) => l0 == r0, - (Self::Const(l0, l1), Self::Const(r0, r1)) => l0 == r0 && l1 == r1, - (Self::PlaceholderConst(l0, l1), Self::PlaceholderConst(r0, r1)) => { - l0 == r0 && l1 == r1 - } + (Self::Const(l0), Self::Const(r0)) => l0 == r0, + (Self::PlaceholderConst(l0), Self::PlaceholderConst(r0)) => l0 == r0, _ => std::mem::discriminant(self) == std::mem::discriminant(other), } } @@ -199,10 +197,10 @@ impl CanonicalVarKind { match self { CanonicalVarKind::Ty(CanonicalTyVarKind::General(ui)) => ui, CanonicalVarKind::Region(ui) => ui, - CanonicalVarKind::Const(ui, _) => ui, + CanonicalVarKind::Const(ui) => ui, CanonicalVarKind::PlaceholderTy(placeholder) => placeholder.universe(), CanonicalVarKind::PlaceholderRegion(placeholder) => placeholder.universe(), - CanonicalVarKind::PlaceholderConst(placeholder, _) => placeholder.universe(), + CanonicalVarKind::PlaceholderConst(placeholder) => placeholder.universe(), CanonicalVarKind::Ty(CanonicalTyVarKind::Float | CanonicalTyVarKind::Int) => { UniverseIndex::ROOT } @@ -220,7 +218,7 @@ impl CanonicalVarKind { CanonicalVarKind::Ty(CanonicalTyVarKind::General(ui)) } CanonicalVarKind::Region(_) => CanonicalVarKind::Region(ui), - CanonicalVarKind::Const(_, ty) => CanonicalVarKind::Const(ui, ty), + CanonicalVarKind::Const(_) => CanonicalVarKind::Const(ui), CanonicalVarKind::PlaceholderTy(placeholder) => { CanonicalVarKind::PlaceholderTy(placeholder.with_updated_universe(ui)) @@ -228,8 +226,8 @@ impl CanonicalVarKind { CanonicalVarKind::PlaceholderRegion(placeholder) => { CanonicalVarKind::PlaceholderRegion(placeholder.with_updated_universe(ui)) } - CanonicalVarKind::PlaceholderConst(placeholder, ty) => { - CanonicalVarKind::PlaceholderConst(placeholder.with_updated_universe(ui), ty) + CanonicalVarKind::PlaceholderConst(placeholder) => { + CanonicalVarKind::PlaceholderConst(placeholder.with_updated_universe(ui)) } CanonicalVarKind::Ty(CanonicalTyVarKind::Int | CanonicalTyVarKind::Float) | CanonicalVarKind::Effect => { @@ -345,21 +343,14 @@ impl CanonicalVarValues { Region::new_anon_bound(tcx, ty::INNERMOST, ty::BoundVar::from_usize(i)) .into() } - CanonicalVarKind::Effect => Const::new_anon_bound( - tcx, - ty::INNERMOST, - ty::BoundVar::from_usize(i), - Ty::new_bool(tcx), - ) - .into(), - CanonicalVarKind::Const(_, ty) - | CanonicalVarKind::PlaceholderConst(_, ty) => Const::new_anon_bound( - tcx, - ty::INNERMOST, - ty::BoundVar::from_usize(i), - ty, - ) - .into(), + CanonicalVarKind::Effect => { + Const::new_anon_bound(tcx, ty::INNERMOST, ty::BoundVar::from_usize(i)) + .into() + } + CanonicalVarKind::Const(_) | CanonicalVarKind::PlaceholderConst(_) => { + Const::new_anon_bound(tcx, ty::INNERMOST, ty::BoundVar::from_usize(i)) + .into() + } } }, )), diff --git a/compiler/rustc_type_ir/src/debug.rs b/compiler/rustc_type_ir/src/debug.rs index 4e8be1ee4c28..c206f3ccdb5b 100644 --- a/compiler/rustc_type_ir/src/debug.rs +++ b/compiler/rustc_type_ir/src/debug.rs @@ -38,11 +38,11 @@ impl InferCtxtLike for NoInfcx { panic!("cannot resolve {vid:?}") } - fn opportunistic_resolve_ct_var(&self, vid: ConstVid, _: I::Ty) -> I::Const { + fn opportunistic_resolve_ct_var(&self, vid: ConstVid) -> I::Const { panic!("cannot resolve {vid:?}") } - fn opportunistic_resolve_effect_var(&self, vid: EffectVid, _: I::Ty) -> I::Const { + fn opportunistic_resolve_effect_var(&self, vid: EffectVid) -> I::Const { panic!("cannot resolve {vid:?}") } diff --git a/compiler/rustc_type_ir/src/fold.rs b/compiler/rustc_type_ir/src/fold.rs index 501311ff72f7..ee3e5ce66d03 100644 --- a/compiler/rustc_type_ir/src/fold.rs +++ b/compiler/rustc_type_ir/src/fold.rs @@ -387,7 +387,7 @@ impl TypeFolder for Shifter { match ct.kind() { ty::ConstKind::Bound(debruijn, bound_ct) if debruijn >= self.current_index => { let debruijn = debruijn.shifted_in(self.amount); - Const::new_bound(self.tcx, debruijn, bound_ct, ct.ty()) + Const::new_bound(self.tcx, debruijn, bound_ct) } _ => ct.super_fold_with(self), } diff --git a/compiler/rustc_type_ir/src/infcx.rs b/compiler/rustc_type_ir/src/infcx.rs index bb5081fb3357..24e10722448c 100644 --- a/compiler/rustc_type_ir/src/infcx.rs +++ b/compiler/rustc_type_ir/src/infcx.rs @@ -12,15 +12,10 @@ pub trait InferCtxtLike { fn opportunistic_resolve_ty_var(&self, vid: TyVid) -> ::Ty; fn opportunistic_resolve_int_var(&self, vid: IntVid) -> ::Ty; fn opportunistic_resolve_float_var(&self, vid: FloatVid) -> ::Ty; - fn opportunistic_resolve_ct_var( - &self, - vid: ConstVid, - ty: ::Ty, - ) -> ::Const; + fn opportunistic_resolve_ct_var(&self, vid: ConstVid) -> ::Const; fn opportunistic_resolve_effect_var( &self, vid: EffectVid, - ty: ::Ty, ) -> ::Const; fn opportunistic_resolve_lt_var(&self, vid: RegionVid) -> ::Region; diff --git a/compiler/rustc_type_ir/src/inherent.rs b/compiler/rustc_type_ir/src/inherent.rs index f305ed9b5d77..94874a6acfce 100644 --- a/compiler/rustc_type_ir/src/inherent.rs +++ b/compiler/rustc_type_ir/src/inherent.rs @@ -104,22 +104,15 @@ pub trait Const>: + TypeSuperFoldable + Flags { - fn new_infer(interner: I, var: ty::InferConst, ty: I::Ty) -> Self; + fn new_infer(interner: I, var: ty::InferConst) -> Self; - fn new_var(interner: I, var: ty::ConstVid, ty: I::Ty) -> Self; + fn new_var(interner: I, var: ty::ConstVid) -> Self; - fn new_bound(interner: I, debruijn: ty::DebruijnIndex, var: I::BoundConst, ty: I::Ty) -> Self; + fn new_bound(interner: I, debruijn: ty::DebruijnIndex, var: I::BoundConst) -> Self; - fn new_anon_bound( - interner: I, - debruijn: ty::DebruijnIndex, - var: ty::BoundVar, - ty: I::Ty, - ) -> Self; + fn new_anon_bound(interner: I, debruijn: ty::DebruijnIndex, var: ty::BoundVar) -> Self; - fn new_unevaluated(interner: I, uv: ty::UnevaluatedConst, ty: I::Ty) -> Self; - - fn ty(self) -> I::Ty; + fn new_unevaluated(interner: I, uv: ty::UnevaluatedConst) -> Self; } pub trait GenericsOf> { diff --git a/compiler/rustc_type_ir/src/predicate.rs b/compiler/rustc_type_ir/src/predicate.rs index e7039583c91c..9e0e52cfb4b7 100644 --- a/compiler/rustc_type_ir/src/predicate.rs +++ b/compiler/rustc_type_ir/src/predicate.rs @@ -567,7 +567,6 @@ impl AliasTerm { I::Const::new_unevaluated( interner, ty::UnevaluatedConst::new(self.def_id, self.args), - interner.type_of(self.def_id).instantiate(interner, &self.args), ) .into() } From a9702a66684f0e1f412d92a83761be2e461b69fb Mon Sep 17 00:00:00 2001 From: Boxy Date: Mon, 3 Jun 2024 02:34:35 +0100 Subject: [PATCH 1046/1716] Add `Ty` to `ConstKind::Value` --- compiler/rustc_codegen_llvm/src/intrinsic.rs | 1 + .../src/debuginfo/type_names.rs | 70 ++++++++++--------- .../rustc_codegen_ssa/src/mir/constant.rs | 2 +- .../src/check_consts/qualifs.rs | 2 +- compiler/rustc_hir_typeck/src/pat.rs | 3 +- compiler/rustc_infer/src/infer/freshen.rs | 2 +- compiler/rustc_infer/src/infer/mod.rs | 9 ++- compiler/rustc_middle/src/mir/consts.rs | 48 ++++++------- compiler/rustc_middle/src/mir/pretty.rs | 2 +- compiler/rustc_middle/src/ty/consts.rs | 47 ++++++------- compiler/rustc_middle/src/ty/context.rs | 12 +++- compiler/rustc_middle/src/ty/fast_reject.rs | 4 +- compiler/rustc_middle/src/ty/flags.rs | 2 +- compiler/rustc_middle/src/ty/print/pretty.rs | 6 +- compiler/rustc_middle/src/ty/relate.rs | 2 +- .../rustc_middle/src/ty/structural_impls.rs | 17 +++-- compiler/rustc_middle/src/ty/walk.rs | 3 +- .../src/thir/pattern/const_to_pat.rs | 6 +- .../src/canonicalizer.rs | 2 +- .../src/cfi/typeid/itanium_cxx_abi/encode.rs | 4 +- .../rustc_smir/src/rustc_smir/convert/ty.rs | 8 +-- compiler/rustc_symbol_mangling/src/legacy.rs | 13 ++-- compiler/rustc_symbol_mangling/src/v0.rs | 67 ++++++++---------- .../src/solve/eval_ctxt/mod.rs | 9 ++- .../rustc_trait_selection/src/solve/mod.rs | 4 +- .../src/traits/auto_trait.rs | 3 +- .../src/traits/const_evaluatable.rs | 2 +- compiler/rustc_transmute/src/lib.rs | 5 +- compiler/rustc_ty_utils/src/consts.rs | 5 +- compiler/rustc_type_ir/src/const_kind.rs | 6 +- 30 files changed, 180 insertions(+), 186 deletions(-) diff --git a/compiler/rustc_codegen_llvm/src/intrinsic.rs b/compiler/rustc_codegen_llvm/src/intrinsic.rs index 39bbf87bea7b..7b1038d56176 100644 --- a/compiler/rustc_codegen_llvm/src/intrinsic.rs +++ b/compiler/rustc_codegen_llvm/src/intrinsic.rs @@ -1201,6 +1201,7 @@ fn generic_simd_intrinsic<'ll, 'tcx>( .expect_const() .eval(tcx, ty::ParamEnv::reveal_all(), span) .unwrap() + .1 .unwrap_branch(); let n = idx.len() as u64; diff --git a/compiler/rustc_codegen_ssa/src/debuginfo/type_names.rs b/compiler/rustc_codegen_ssa/src/debuginfo/type_names.rs index 2783ffc49a81..c4e5c8582404 100644 --- a/compiler/rustc_codegen_ssa/src/debuginfo/type_names.rs +++ b/compiler/rustc_codegen_ssa/src/debuginfo/type_names.rs @@ -693,42 +693,46 @@ fn push_const_param<'tcx>(tcx: TyCtxt<'tcx>, ct: ty::Const<'tcx>, output: &mut S ty::ConstKind::Param(param) => { write!(output, "{}", param.name) } - // THISPR - _ => match { todo!() as Ty<'tcx> }.kind() { - ty::Int(ity) => { - let bits = ct.eval_bits(tcx, ty::ParamEnv::reveal_all()); - let val = Integer::from_int_ty(&tcx, *ity).size().sign_extend(bits) as i128; - write!(output, "{val}") - } - ty::Uint(_) => { - let val = ct.eval_bits(tcx, ty::ParamEnv::reveal_all()); - write!(output, "{val}") - } - ty::Bool => { - let val = ct.try_eval_bool(tcx, ty::ParamEnv::reveal_all()).unwrap(); - write!(output, "{val}") - } - _ => { - // If we cannot evaluate the constant to a known type, we fall back - // to emitting a stable hash value of the constant. This isn't very pretty - // but we get a deterministic, virtually unique value for the constant. - // - // Let's only emit 64 bits of the hash value. That should be plenty for - // avoiding collisions and will make the emitted type names shorter. - let hash_short = tcx.with_stable_hashing_context(|mut hcx| { - let mut hasher = StableHasher::new(); - let ct = ct.eval(tcx, ty::ParamEnv::reveal_all(), DUMMY_SP).unwrap(); - hcx.while_hashing_spans(false, |hcx| ct.hash_stable(hcx, &mut hasher)); - hasher.finish::() - }); + ty::ConstKind::Value(ty, _) => { + match ty.kind() { + ty::Int(ity) => { + // FIXME: directly extract the bits from a valtree instead of evaluating an + // alreay evaluated `Const` in order to get the bits. + let bits = ct.eval_bits(tcx, ty::ParamEnv::reveal_all()); + let val = Integer::from_int_ty(&tcx, *ity).size().sign_extend(bits) as i128; + write!(output, "{val}") + } + ty::Uint(_) => { + let val = ct.eval_bits(tcx, ty::ParamEnv::reveal_all()); + write!(output, "{val}") + } + ty::Bool => { + let val = ct.try_eval_bool(tcx, ty::ParamEnv::reveal_all()).unwrap(); + write!(output, "{val}") + } + _ => { + // If we cannot evaluate the constant to a known type, we fall back + // to emitting a stable hash value of the constant. This isn't very pretty + // but we get a deterministic, virtually unique value for the constant. + // + // Let's only emit 64 bits of the hash value. That should be plenty for + // avoiding collisions and will make the emitted type names shorter. + let hash_short = tcx.with_stable_hashing_context(|mut hcx| { + let mut hasher = StableHasher::new(); + let ct = ct.eval(tcx, ty::ParamEnv::reveal_all(), DUMMY_SP).unwrap(); + hcx.while_hashing_spans(false, |hcx| ct.hash_stable(hcx, &mut hasher)); + hasher.finish::() + }); - if cpp_like_debuginfo(tcx) { - write!(output, "CONST${hash_short:x}") - } else { - write!(output, "{{CONST#{hash_short:x}}}") + if cpp_like_debuginfo(tcx) { + write!(output, "CONST${hash_short:x}") + } else { + write!(output, "{{CONST#{hash_short:x}}}") + } } } - }, + } + _ => bug!("Invalid `Const` during codegen: {:?}", ct), } .unwrap(); } diff --git a/compiler/rustc_codegen_ssa/src/mir/constant.rs b/compiler/rustc_codegen_ssa/src/mir/constant.rs index dba5fbefd8a7..81eb44132dd4 100644 --- a/compiler/rustc_codegen_ssa/src/mir/constant.rs +++ b/compiler/rustc_codegen_ssa/src/mir/constant.rs @@ -43,7 +43,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { mir::Const::Ty(c) => match c.kind() { // A constant that came from a const generic but was then used as an argument to old-style // simd_shuffle (passing as argument instead of as a generic param). - rustc_type_ir::ConstKind::Value(valtree) => return Ok(Some(valtree)), + rustc_type_ir::ConstKind::Value(_, valtree) => return Ok(Some(valtree)), other => span_bug!(constant.span, "{other:#?}"), }, // We should never encounter `Const::Val` unless MIR opts (like const prop) evaluate diff --git a/compiler/rustc_const_eval/src/check_consts/qualifs.rs b/compiler/rustc_const_eval/src/check_consts/qualifs.rs index 5949444e599a..32500914f067 100644 --- a/compiler/rustc_const_eval/src/check_consts/qualifs.rs +++ b/compiler/rustc_const_eval/src/check_consts/qualifs.rs @@ -360,7 +360,7 @@ where Const::Ty(ct) if matches!( ct.kind(), - ty::ConstKind::Param(_) | ty::ConstKind::Error(_) | ty::ConstKind::Value(_) + ty::ConstKind::Param(_) | ty::ConstKind::Error(_) | ty::ConstKind::Value(_, _) ) => { None diff --git a/compiler/rustc_hir_typeck/src/pat.rs b/compiler/rustc_hir_typeck/src/pat.rs index 93fb83fb3e4e..ba3233956b19 100644 --- a/compiler/rustc_hir_typeck/src/pat.rs +++ b/compiler/rustc_hir_typeck/src/pat.rs @@ -2409,7 +2409,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { min_len: u64, ) -> (Option>, Ty<'tcx>) { let len = match len.eval(self.tcx, self.param_env, span) { - Ok(val) => val + // FIXME(BoxyUwU): Assert the `Ty` is a `usize`? + Ok((_, val)) => val .try_to_scalar() .and_then(|scalar| scalar.try_to_int().ok()) .and_then(|int| int.try_to_target_usize(self.tcx).ok()), diff --git a/compiler/rustc_infer/src/infer/freshen.rs b/compiler/rustc_infer/src/infer/freshen.rs index 3ef25ae2d3ed..4bb59bd9037c 100644 --- a/compiler/rustc_infer/src/infer/freshen.rs +++ b/compiler/rustc_infer/src/infer/freshen.rs @@ -176,7 +176,7 @@ impl<'a, 'tcx> TypeFolder> for TypeFreshener<'a, 'tcx> { } ty::ConstKind::Param(_) - | ty::ConstKind::Value(_) + | ty::ConstKind::Value(_, _) | ty::ConstKind::Unevaluated(..) | ty::ConstKind::Expr(..) | ty::ConstKind::Error(_) => ct.super_fold_with(self), diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs index 1f6c534fbec6..4476611d9c82 100644 --- a/compiler/rustc_infer/src/infer/mod.rs +++ b/compiler/rustc_infer/src/infer/mod.rs @@ -1299,7 +1299,7 @@ impl<'tcx> InferCtxt<'tcx> { | ty::ConstKind::Bound(_, _) | ty::ConstKind::Placeholder(_) | ty::ConstKind::Unevaluated(_) - | ty::ConstKind::Value(_) + | ty::ConstKind::Value(_, _) | ty::ConstKind::Error(_) | ty::ConstKind::Expr(_) => ct, } @@ -1514,8 +1514,11 @@ impl<'tcx> InferCtxt<'tcx> { span: Span, ) -> Result, ErrorHandled> { match self.const_eval_resolve(param_env, unevaluated, span) { - // THISPR - Ok(Some(val)) => Ok(ty::Const::new_value(self.tcx, val, todo!())), + Ok(Some(val)) => Ok(ty::Const::new_value( + self.tcx, + val, + self.tcx.type_of(unevaluated.def).instantiate(self.tcx, unevaluated.args), + )), Ok(None) => { let tcx = self.tcx; let def_id = unevaluated.def; diff --git a/compiler/rustc_middle/src/mir/consts.rs b/compiler/rustc_middle/src/mir/consts.rs index 5c069ff820d3..b288347c6637 100644 --- a/compiler/rustc_middle/src/mir/consts.rs +++ b/compiler/rustc_middle/src/mir/consts.rs @@ -249,7 +249,7 @@ impl<'tcx> Const<'tcx> { pub fn is_required_const(&self) -> bool { match self { Const::Ty(c) => match c.kind() { - ty::ConstKind::Value(_) => false, // already a value, cannot error + ty::ConstKind::Value(_, _) => false, // already a value, cannot error _ => true, }, Const::Val(..) => false, // already a value, cannot error @@ -261,9 +261,7 @@ impl<'tcx> Const<'tcx> { pub fn try_to_scalar(self) -> Option { match self { Const::Ty(c) => match c.kind() { - // THISPR - // if c.ty().is_primitive() - ty::ConstKind::Value(valtree) if todo!() => { + ty::ConstKind::Value(ty, valtree) if ty.is_primitive() => { // A valtree of a type where leaves directly represent the scalar const value. // Just checking whether it is a leaf is insufficient as e.g. references are leafs // but the leaf value is the value they point to, not the reference itself! @@ -282,9 +280,9 @@ impl<'tcx> Const<'tcx> { match self { Const::Val(ConstValue::Scalar(Scalar::Int(x)), _) => Some(x), Const::Ty(c) => match c.kind() { - // THISPR - // if c.ty().is_primitive() - ty::ConstKind::Value(valtree) if todo!() => Some(valtree.unwrap_leaf()), + ty::ConstKind::Value(ty, valtree) if ty.is_primitive() => { + Some(valtree.unwrap_leaf()) + } _ => None, }, _ => None, @@ -312,8 +310,8 @@ impl<'tcx> Const<'tcx> { Const::Ty(c) => { // We want to consistently have a "clean" value for type system constants (i.e., no // data hidden in the padding), so we always go through a valtree here. - let val = c.eval(tcx, param_env, span)?; - Ok(tcx.valtree_to_const_val((self.ty(), val))) + let (ty, val) = c.eval(tcx, param_env, span)?; + Ok(tcx.valtree_to_const_val((ty, val))) } Const::Unevaluated(uneval, _) => { // FIXME: We might want to have a `try_eval`-like function on `Unevaluated` @@ -341,17 +339,16 @@ impl<'tcx> Const<'tcx> { tcx: TyCtxt<'tcx>, param_env: ty::ParamEnv<'tcx>, ) -> Option { - match self { - // THISPR - // c.ty().is_primitive() - Const::Ty(c) if todo!() => { - // Avoid the `valtree_to_const_val` query. Can only be done on primitive types that - // are valtree leaves, and *not* on references. (References should return the - // pointer here, which valtrees don't represent.) - let val = c.eval(tcx, param_env, DUMMY_SP).ok()?; - Some(val.unwrap_leaf().into()) - } - _ => self.eval(tcx, param_env, DUMMY_SP).ok()?.try_to_scalar(), + if let Const::Ty(c) = self + && let ty::ConstKind::Value(ty, val) = c.kind() + && ty.is_primitive() + { + // Avoid the `valtree_to_const_val` query. Can only be done on primitive types that + // are valtree leaves, and *not* on references. (References should return the + // pointer here, which valtrees don't represent.) + Some(val.unwrap_leaf().into()) + } else { + self.eval(tcx, param_env, DUMMY_SP).ok()?.try_to_scalar() } } @@ -446,11 +443,10 @@ impl<'tcx> Const<'tcx> { pub fn from_ty_const(c: ty::Const<'tcx>, tcx: TyCtxt<'tcx>) -> Self { match c.kind() { - ty::ConstKind::Value(valtree) => { + ty::ConstKind::Value(ty, valtree) => { // Make sure that if `c` is normalized, then the return value is normalized. - // THISPR - let const_val = tcx.valtree_to_const_val((todo!(), valtree)); - Self::Val(const_val, todo!()) + let const_val = tcx.valtree_to_const_val((ty, valtree)); + Self::Val(const_val, ty) } _ => Self::Ty(c), } @@ -469,9 +465,7 @@ impl<'tcx> Const<'tcx> { // A valtree may be a reference. Valtree references correspond to a // different allocation each time they are evaluated. Valtrees for primitive // types are fine though. - // THISPR - // c.ty().is_primitive() - ty::ConstKind::Value(_) => todo!(), + ty::ConstKind::Value(ty, _) => ty.is_primitive(), ty::ConstKind::Unevaluated(..) | ty::ConstKind::Expr(..) => false, // This can happen if evaluation of a constant failed. The result does not matter // much since compilation is doomed. diff --git a/compiler/rustc_middle/src/mir/pretty.rs b/compiler/rustc_middle/src/mir/pretty.rs index f1c79c0b0391..845a8da3443a 100644 --- a/compiler/rustc_middle/src/mir/pretty.rs +++ b/compiler/rustc_middle/src/mir/pretty.rs @@ -1318,7 +1318,7 @@ impl<'tcx> Visitor<'tcx> for ExtraComments<'tcx> { ty::ConstKind::Unevaluated(uv) => { format!("ty::Unevaluated({}, {:?})", self.tcx.def_path_str(uv.def), uv.args,) } - ty::ConstKind::Value(val) => format!("ty::Valtree({})", fmt_valtree(&val)), + ty::ConstKind::Value(_, val) => format!("ty::Valtree({})", fmt_valtree(&val)), // No `ty::` prefix since we also use this to represent errors from `mir::Unevaluated`. ty::ConstKind::Error(_) => "Error".to_string(), // These variants shouldn't exist in the MIR. diff --git a/compiler/rustc_middle/src/ty/consts.rs b/compiler/rustc_middle/src/ty/consts.rs index 7e84b763fa8b..dc13cc5437d5 100644 --- a/compiler/rustc_middle/src/ty/consts.rs +++ b/compiler/rustc_middle/src/ty/consts.rs @@ -24,7 +24,7 @@ pub type ConstKind<'tcx> = ir::ConstKind>; pub type UnevaluatedConst<'tcx> = ir::UnevaluatedConst>; #[cfg(target_pointer_width = "64")] -rustc_data_structures::static_assert_size!(ConstKind<'_>, 24); +rustc_data_structures::static_assert_size!(ConstKind<'_>, 32); #[derive(Copy, Clone, PartialEq, Eq, Hash, HashStable)] #[rustc_pass_by_value] @@ -168,10 +168,6 @@ impl<'tcx> rustc_type_ir::inherent::Const> for Const<'tcx> { fn new_unevaluated(interner: TyCtxt<'tcx>, uv: ty::UnevaluatedConst<'tcx>) -> Self { Const::new_unevaluated(interner, uv) } - - fn ty(self) -> Ty<'tcx> { - self.ty() - } } impl<'tcx> Const<'tcx> { @@ -311,7 +307,7 @@ impl<'tcx> Const<'tcx> { tcx: TyCtxt<'tcx>, param_env: ParamEnv<'tcx>, span: Span, - ) -> Result, ErrorHandled> { + ) -> Result<(Ty<'tcx>, ValTree<'tcx>), ErrorHandled> { assert!(!self.has_escaping_bound_vars(), "escaping vars in {self:?}"); match self.kind() { ConstKind::Unevaluated(unevaluated) => { @@ -329,9 +325,9 @@ impl<'tcx> Const<'tcx> { ); return Err(e.into()); }; - Ok(c) + Ok((tcx.type_of(unevaluated.def).instantiate(tcx, unevaluated.args), c)) } - ConstKind::Value(val) => Ok(val), + ConstKind::Value(ty, val) => Ok((ty, val)), ConstKind::Error(g) => Err(g.into()), ConstKind::Param(_) | ConstKind::Infer(_) @@ -345,7 +341,7 @@ impl<'tcx> Const<'tcx> { #[inline] pub fn normalize(self, tcx: TyCtxt<'tcx>, param_env: ParamEnv<'tcx>) -> Self { match self.eval(tcx, param_env, DUMMY_SP) { - Ok(val) => Self::new_value(tcx, val, self.ty_for_ctfe(tcx).unwrap()), + Ok((ty, val)) => Self::new_value(tcx, val, ty), Err(ErrorHandled::Reported(r, _span)) => Self::new_error(tcx, r.into()), Err(ErrorHandled::TooGeneric(_span)) => self, } @@ -356,8 +352,10 @@ impl<'tcx> Const<'tcx> { self, tcx: TyCtxt<'tcx>, param_env: ty::ParamEnv<'tcx>, - ) -> Option { - self.eval(tcx, param_env, DUMMY_SP).ok()?.try_to_scalar() + ) -> Option<(Ty<'tcx>, Scalar)> { + let (ty, val) = self.eval(tcx, param_env, DUMMY_SP).ok()?; + let val = val.try_to_scalar()?; + Some((ty, val)) } #[inline] @@ -368,8 +366,10 @@ impl<'tcx> Const<'tcx> { self, tcx: TyCtxt<'tcx>, param_env: ParamEnv<'tcx>, - ) -> Option { - self.try_eval_scalar(tcx, param_env)?.try_to_int().ok() + ) -> Option<(Ty<'tcx>, ScalarInt)> { + let (ty, scalar) = self.try_eval_scalar(tcx, param_env)?; + let val = scalar.try_to_int().ok()?; + Some((ty, val)) } #[inline] @@ -377,15 +377,10 @@ impl<'tcx> Const<'tcx> { /// generics (or erroneous code) or if the value can't be represented as bits (e.g. because it /// contains const generic parameters or pointers). pub fn try_eval_bits(self, tcx: TyCtxt<'tcx>, param_env: ParamEnv<'tcx>) -> Option { - let int = self.try_eval_scalar_int(tcx, param_env)?; - let size = tcx - .layout_of( - param_env.with_reveal_all_normalized(tcx).and(self.ty_for_ctfe(tcx).unwrap()), - ) - .ok()? - .size; + let (ty, scalar) = self.try_eval_scalar_int(tcx, param_env)?; + let size = tcx.layout_of(param_env.with_reveal_all_normalized(tcx).and(ty)).ok()?.size; // if `ty` does not depend on generic parameters, use an empty param_env - int.try_to_bits(size).ok() + scalar.try_to_bits(size).ok() } #[inline] @@ -401,12 +396,14 @@ impl<'tcx> Const<'tcx> { tcx: TyCtxt<'tcx>, param_env: ParamEnv<'tcx>, ) -> Option { - self.try_eval_scalar_int(tcx, param_env)?.try_to_target_usize(tcx).ok() + let (_, scalar) = self.try_eval_scalar_int(tcx, param_env)?; + scalar.try_to_target_usize(tcx).ok() } #[inline] pub fn try_eval_bool(self, tcx: TyCtxt<'tcx>, param_env: ParamEnv<'tcx>) -> Option { - self.try_eval_scalar_int(tcx, param_env)?.try_into().ok() + let (_, scalar) = self.try_eval_scalar_int(tcx, param_env)?; + scalar.try_into().ok() } #[inline] @@ -419,7 +416,7 @@ impl<'tcx> Const<'tcx> { /// Panics if self.kind != ty::ConstKind::Value pub fn to_valtree(self) -> ty::ValTree<'tcx> { match self.kind() { - ty::ConstKind::Value(valtree) => valtree, + ty::ConstKind::Value(_, valtree) => valtree, _ => bug!("expected ConstKind::Value, got {:?}", self.kind()), } } @@ -427,7 +424,7 @@ impl<'tcx> Const<'tcx> { /// Attempts to convert to a `ValTree` pub fn try_to_valtree(self) -> Option> { match self.kind() { - ty::ConstKind::Value(valtree) => Some(valtree), + ty::ConstKind::Value(_, valtree) => Some(valtree), _ => None, } } diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index 7e8b3fea1eae..f9a22aa72bee 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -601,9 +601,15 @@ impl<'tcx> CommonConsts<'tcx> { }; CommonConsts { - unit: mk_const(ty::ConstKind::Value(ty::ValTree::zst())), - true_: mk_const(ty::ConstKind::Value(ty::ValTree::Leaf(ty::ScalarInt::TRUE))), - false_: mk_const(ty::ConstKind::Value(ty::ValTree::Leaf(ty::ScalarInt::FALSE))), + unit: mk_const(ty::ConstKind::Value(types.unit, ty::ValTree::zst())), + true_: mk_const(ty::ConstKind::Value( + types.bool, + ty::ValTree::Leaf(ty::ScalarInt::TRUE), + )), + false_: mk_const(ty::ConstKind::Value( + types.bool, + ty::ValTree::Leaf(ty::ScalarInt::FALSE), + )), } } } diff --git a/compiler/rustc_middle/src/ty/fast_reject.rs b/compiler/rustc_middle/src/ty/fast_reject.rs index 7508f0080ccf..923667e609be 100644 --- a/compiler/rustc_middle/src/ty/fast_reject.rs +++ b/compiler/rustc_middle/src/ty/fast_reject.rs @@ -337,7 +337,7 @@ impl DeepRejectCtxt { | ty::ConstKind::Error(_) => { return true; } - ty::ConstKind::Value(impl_val) => impl_val, + ty::ConstKind::Value(_, impl_val) => impl_val, ty::ConstKind::Infer(_) | ty::ConstKind::Bound(..) | ty::ConstKind::Placeholder(_) => { bug!("unexpected impl arg: {:?}", impl_ct) } @@ -357,7 +357,7 @@ impl DeepRejectCtxt { ty::ConstKind::Expr(_) | ty::ConstKind::Unevaluated(_) | ty::ConstKind::Error(_) => { true } - ty::ConstKind::Value(obl_val) => obl_val == impl_val, + ty::ConstKind::Value(_, obl_val) => obl_val == impl_val, ty::ConstKind::Infer(_) => true, diff --git a/compiler/rustc_middle/src/ty/flags.rs b/compiler/rustc_middle/src/ty/flags.rs index 5f653aba4852..21c115c2c966 100644 --- a/compiler/rustc_middle/src/ty/flags.rs +++ b/compiler/rustc_middle/src/ty/flags.rs @@ -372,7 +372,7 @@ impl FlagComputation { self.add_flags(TypeFlags::HAS_CT_PLACEHOLDER); self.add_flags(TypeFlags::STILL_FURTHER_SPECIALIZABLE); } - ty::ConstKind::Value(_) => {} + ty::ConstKind::Value(ty, _) => self.add_ty(ty), ty::ConstKind::Expr(e) => self.add_args(e.args()), ty::ConstKind::Error(_) => self.add_flags(TypeFlags::HAS_ERROR), } diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs index 8fec654acc58..ef391be889cf 100644 --- a/compiler/rustc_middle/src/ty/print/pretty.rs +++ b/compiler/rustc_middle/src/ty/print/pretty.rs @@ -1511,8 +1511,8 @@ pub trait PrettyPrinter<'tcx>: Printer<'tcx> + fmt::Write { _ => print_underscore!(), }, ty::ConstKind::Param(ParamConst { name, .. }) => p!(write("{}", name)), - ty::ConstKind::Value(value) => { - return self.pretty_print_const_valtree(value, todo!(), print_ty); + ty::ConstKind::Value(ty, value) => { + return self.pretty_print_const_valtree(value, ty, print_ty); } ty::ConstKind::Bound(debruijn, bound_var) => { @@ -1666,7 +1666,7 @@ pub trait PrettyPrinter<'tcx>: Printer<'tcx> + fmt::Write { ty::Ref(_, inner, _) => { if let ty::Array(elem, len) = inner.kind() { if let ty::Uint(ty::UintTy::U8) = elem.kind() { - if let ty::ConstKind::Value(ty::ValTree::Leaf(int)) = len.kind() { + if let ty::ConstKind::Value(_, ty::ValTree::Leaf(int)) = len.kind() { match self.tcx().try_get_global_alloc(prov.alloc_id()) { Some(GlobalAlloc::Memory(alloc)) => { let len = int.assert_bits(self.tcx().data_layout.pointer_size); diff --git a/compiler/rustc_middle/src/ty/relate.rs b/compiler/rustc_middle/src/ty/relate.rs index b0581f89380c..c0ed5fad2475 100644 --- a/compiler/rustc_middle/src/ty/relate.rs +++ b/compiler/rustc_middle/src/ty/relate.rs @@ -646,7 +646,7 @@ pub fn structurally_relate_consts<'tcx, R: TypeRelation<'tcx>>( true } (ty::ConstKind::Placeholder(p1), ty::ConstKind::Placeholder(p2)) => p1 == p2, - (ty::ConstKind::Value(a_val), ty::ConstKind::Value(b_val)) => a_val == b_val, + (ty::ConstKind::Value(_, a_val), ty::ConstKind::Value(_, b_val)) => a_val == b_val, // While this is slightly incorrect, it shouldn't matter for `min_const_generics` // and is the better alternative to waiting until `generic_const_exprs` can diff --git a/compiler/rustc_middle/src/ty/structural_impls.rs b/compiler/rustc_middle/src/ty/structural_impls.rs index ee235d3781b8..cf4854d13646 100644 --- a/compiler/rustc_middle/src/ty/structural_impls.rs +++ b/compiler/rustc_middle/src/ty/structural_impls.rs @@ -201,18 +201,16 @@ impl<'tcx> DebugWithInfcx> for ty::Const<'tcx> { f: &mut core::fmt::Formatter<'_>, ) -> core::fmt::Result { // If this is a value, we spend some effort to make it look nice. - if let ConstKind::Value(_) = this.data.kind() { + if let ConstKind::Value(_, _) = this.data.kind() { return ty::tls::with(move |tcx| { // Somehow trying to lift the valtree results in lifetime errors, so we lift the // entire constant. let lifted = tcx.lift(*this.data).unwrap(); - let ConstKind::Value(valtree) = lifted.kind() else { + let ConstKind::Value(ty, valtree) = lifted.kind() else { bug!("we checked that this is a valtree") }; let mut cx = FmtPrinter::new(tcx, Namespace::ValueNS); - // THISPR - todo!(); - // cx.pretty_print_const_valtree(valtree, lifted.ty(), /*print_ty*/ true)?; + cx.pretty_print_const_valtree(valtree, ty, /*print_ty*/ true)?; f.write_str(&cx.into_buffer()) }); } @@ -652,7 +650,9 @@ impl<'tcx> TypeSuperFoldable> for ty::Const<'tcx> { } ConstKind::Placeholder(p) => ConstKind::Placeholder(p.try_fold_with(folder)?), ConstKind::Unevaluated(uv) => ConstKind::Unevaluated(uv.try_fold_with(folder)?), - ConstKind::Value(v) => ConstKind::Value(v.try_fold_with(folder)?), + ConstKind::Value(t, v) => { + ConstKind::Value(t.try_fold_with(folder)?, v.try_fold_with(folder)?) + } ConstKind::Error(e) => ConstKind::Error(e.try_fold_with(folder)?), ConstKind::Expr(e) => ConstKind::Expr(e.try_fold_with(folder)?), }; @@ -671,7 +671,10 @@ impl<'tcx> TypeSuperVisitable> for ty::Const<'tcx> { } ConstKind::Placeholder(p) => p.visit_with(visitor), ConstKind::Unevaluated(uv) => uv.visit_with(visitor), - ConstKind::Value(v) => v.visit_with(visitor), + ConstKind::Value(t, v) => { + try_visit!(t.visit_with(visitor)); + v.visit_with(visitor) + } ConstKind::Error(e) => e.visit_with(visitor), ConstKind::Expr(e) => e.visit_with(visitor), } diff --git a/compiler/rustc_middle/src/ty/walk.rs b/compiler/rustc_middle/src/ty/walk.rs index 9b313fc7bf0a..e0f204a687f6 100644 --- a/compiler/rustc_middle/src/ty/walk.rs +++ b/compiler/rustc_middle/src/ty/walk.rs @@ -217,9 +217,10 @@ fn push_inner<'tcx>(stack: &mut TypeWalkerStack<'tcx>, parent: GenericArg<'tcx>) | ty::ConstKind::Param(_) | ty::ConstKind::Placeholder(_) | ty::ConstKind::Bound(..) - | ty::ConstKind::Value(_) | ty::ConstKind::Error(_) => {} + ty::ConstKind::Value(ty, _) => stack.push(ty.into()), + ty::ConstKind::Expr(expr) => stack.extend(expr.args().iter().rev()), ty::ConstKind::Unevaluated(ct) => { stack.extend(ct.args.iter().rev()); diff --git a/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs b/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs index 8d881713eeb3..cc5aa8ea9cc7 100644 --- a/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs +++ b/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs @@ -101,7 +101,7 @@ impl<'tcx> ConstToPat<'tcx> { // level of indirection can be eliminated let have_valtree = - matches!(cv, mir::Const::Ty(c) if matches!(c.kind(), ty::ConstKind::Value(_))); + matches!(cv, mir::Const::Ty(c) if matches!(c.kind(), ty::ConstKind::Value(_, _))); let inlined_const_as_pat = match cv { mir::Const::Ty(c) => match c.kind() { ty::ConstKind::Param(_) @@ -113,8 +113,8 @@ impl<'tcx> ConstToPat<'tcx> { | ty::ConstKind::Expr(_) => { span_bug!(self.span, "unexpected const in `to_pat`: {:?}", c.kind()) } - ty::ConstKind::Value(valtree) => { - self.recur(valtree, cv.ty()).unwrap_or_else(|_: FallbackToOpaqueConst| { + ty::ConstKind::Value(ty, valtree) => { + self.recur(valtree, ty).unwrap_or_else(|_: FallbackToOpaqueConst| { Box::new(Pat { span: self.span, ty: cv.ty(), diff --git a/compiler/rustc_next_trait_solver/src/canonicalizer.rs b/compiler/rustc_next_trait_solver/src/canonicalizer.rs index 8b96519c3211..f22e24ef6541 100644 --- a/compiler/rustc_next_trait_solver/src/canonicalizer.rs +++ b/compiler/rustc_next_trait_solver/src/canonicalizer.rs @@ -416,7 +416,7 @@ impl, I: Interner> TypeFolder // FIXME: See comment above -- we could fold the region separately or something. ty::ConstKind::Bound(_, _) | ty::ConstKind::Unevaluated(_) - | ty::ConstKind::Value(_) + | ty::ConstKind::Value(_, _) | ty::ConstKind::Error(_) | ty::ConstKind::Expr(_) => return c.super_fold_with(self), }; diff --git a/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/encode.rs b/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/encode.rs index 22224e1cc959..bd8e52229fa7 100644 --- a/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/encode.rs +++ b/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/encode.rs @@ -116,12 +116,10 @@ fn encode_const<'tcx>( } // Literal arguments - ty::ConstKind::Value(..) => { + ty::ConstKind::Value(ct_ty, ..) => { // L[n]E as literal argument // Element type - // THISPR - let ct_ty: Ty<'tcx> = todo!(); s.push_str(&encode_ty(tcx, ct_ty, dict, options)); // The only allowed types of const values are bool, u8, u16, u32, diff --git a/compiler/rustc_smir/src/rustc_smir/convert/ty.rs b/compiler/rustc_smir/src/rustc_smir/convert/ty.rs index 4d60dd73c3cc..f26439d42767 100644 --- a/compiler/rustc_smir/src/rustc_smir/convert/ty.rs +++ b/compiler/rustc_smir/src/rustc_smir/convert/ty.rs @@ -415,7 +415,7 @@ pub fn mir_const_from_ty_const<'tcx>( ty: Ty<'tcx>, ) -> stable_mir::ty::MirConst { let kind = match ty_const.kind() { - ty::Value(val) => { + ty::Value(ty, val) => { let val = match val { ty::ValTree::Leaf(scalar) => ty::ValTree::Leaf(scalar), ty::ValTree::Branch(branch) => { @@ -456,7 +456,7 @@ impl<'tcx> Stable<'tcx> for ty::Const<'tcx> { fn stable(&self, tables: &mut Tables<'_>) -> Self::T { let kind = match self.kind() { - ty::Value(val) => { + ty::Value(ty, val) => { let val = match val { ty::ValTree::Leaf(scalar) => ty::ValTree::Leaf(scalar), ty::ValTree::Branch(branch) => { @@ -464,9 +464,7 @@ impl<'tcx> Stable<'tcx> for ty::Const<'tcx> { } }; - // THISPR - let ty = todo!(); - // let ty = tables.tcx.lift(c.ty()).unwrap(); + let ty = tables.tcx.lift(ty).unwrap(); let const_val = tables.tcx.valtree_to_const_val((ty, val)); if matches!(const_val, mir::ConstValue::ZeroSized) { stable_mir::ty::TyConstKind::ZSTValue(ty.stable(tables)) diff --git a/compiler/rustc_symbol_mangling/src/legacy.rs b/compiler/rustc_symbol_mangling/src/legacy.rs index 1fea9b561a26..75cac6c7992a 100644 --- a/compiler/rustc_symbol_mangling/src/legacy.rs +++ b/compiler/rustc_symbol_mangling/src/legacy.rs @@ -269,21 +269,16 @@ impl<'tcx> Printer<'tcx> for SymbolPrinter<'tcx> { } fn print_const(&mut self, ct: ty::Const<'tcx>) -> Result<(), PrintError> { - // THISPR - let ct_ty: Ty<'tcx> = todo!(); - // only print integers - match (ct.kind(), ct_ty.kind()) { - (ty::ConstKind::Value(ty::ValTree::Leaf(scalar)), ty::Int(_) | ty::Uint(_)) => { + match ct.kind() { + ty::ConstKind::Value(ty, ty::ValTree::Leaf(scalar)) if ty.is_integral() => { // The `pretty_print_const` formatting depends on -Zverbose-internals // flag, so we cannot reuse it here. - let signed = matches!(ct_ty.kind(), ty::Int(_)); + let signed = matches!(ty.kind(), ty::Int(_)); write!( self, "{:#?}", - // THISPR - // ct.ty().is_ptr_sized_integral() - ty::ConstInt::new(scalar, signed, todo!()) + ty::ConstInt::new(scalar, signed, ty.is_ptr_sized_integral()) )?; } _ => self.write_str("_")?, diff --git a/compiler/rustc_symbol_mangling/src/v0.rs b/compiler/rustc_symbol_mangling/src/v0.rs index bb45fd07bee4..55479bce6fc8 100644 --- a/compiler/rustc_symbol_mangling/src/v0.rs +++ b/compiler/rustc_symbol_mangling/src/v0.rs @@ -541,8 +541,8 @@ impl<'tcx> Printer<'tcx> for SymbolMangler<'tcx> { fn print_const(&mut self, ct: ty::Const<'tcx>) -> Result<(), PrintError> { // We only mangle a typed value if the const can be evaluated. let ct = ct.normalize(self.tcx, ty::ParamEnv::reveal_all()); - match ct.kind() { - ty::ConstKind::Value(_) => {} + let (ct_ty, valtree) = match ct.kind() { + ty::ConstKind::Value(ty, val) => (ty, val), // Placeholders (should be demangled as `_`). // NOTE(eddyb) despite `Unevaluated` having a `DefId` (and therefore @@ -559,7 +559,7 @@ impl<'tcx> Printer<'tcx> for SymbolMangler<'tcx> { self.push("p"); return Ok(()); } - } + }; if let Some(&i) = self.consts.get(&ct) { self.print_backref(i)?; @@ -567,18 +567,15 @@ impl<'tcx> Printer<'tcx> for SymbolMangler<'tcx> { } let start = self.out.len(); - // THISPR - let ty: Ty<'tcx> = todo!(); - // let ty = ct.ty(); - match ty.kind() { + match ct_ty.kind() { ty::Uint(_) | ty::Int(_) | ty::Bool | ty::Char => { - ty.print(self)?; + ct_ty.print(self)?; let mut bits = ct.eval_bits(self.tcx, ty::ParamEnv::reveal_all()); // Negative integer values are mangled using `n` as a "sign prefix". - if let ty::Int(ity) = ty.kind() { + if let ty::Int(ity) = ct_ty.kind() { let val = Integer::from_int_ty(&self.tcx, *ity).size().sign_extend(bits) as i128; if val < 0 { @@ -600,38 +597,32 @@ impl<'tcx> Printer<'tcx> for SymbolMangler<'tcx> { match inner_ty.kind() { ty::Str if mutbl.is_not() => { - match ct.kind() { - ty::ConstKind::Value(valtree) => { - let slice = - valtree.try_to_raw_bytes(self.tcx(), ty).unwrap_or_else(|| { - bug!( - "expected to get raw bytes from valtree {:?} for type {:}", - valtree, ty - ) - }); - let s = std::str::from_utf8(slice) - .expect("non utf8 str from MIR interpreter"); + let slice = + valtree.try_to_raw_bytes(self.tcx(), ct_ty).unwrap_or_else(|| { + bug!( + "expected to get raw bytes from valtree {:?} for type {:}", + valtree, + ct_ty + ) + }); + let s = + std::str::from_utf8(slice).expect("non utf8 str from MIR interpreter"); - self.push("e"); + self.push("e"); - // FIXME(eddyb) use a specialized hex-encoding loop. - for byte in s.bytes() { - let _ = write!(self.out, "{byte:02x}"); - } - - self.push("_"); - } - - _ => { - bug!("symbol_names: unsupported `&str` constant: {:?}", ct); - } + // FIXME(eddyb) use a specialized hex-encoding loop. + for byte in s.bytes() { + let _ = write!(self.out, "{byte:02x}"); } + + self.push("_"); } _ => { - let pointee_ty = - ty.builtin_deref(true).expect("tried to dereference on non-ptr type"); - // FIXME(const_generics): add an assert that we only do this for valtrees. - let dereferenced_const = self.tcx.mk_ct_from_kind(ct.kind()); + let pointee_ty = ct_ty + .builtin_deref(true) + .expect("tried to dereference on non-ptr type"); + let dereferenced_const = + ty::Const::new_value(self.tcx, valtree, pointee_ty); dereferenced_const.print(self)?; } } @@ -649,7 +640,7 @@ impl<'tcx> Printer<'tcx> for SymbolMangler<'tcx> { Ok(()) }; - match *ty.kind() { + match *ct_ty.kind() { ty::Array(..) | ty::Slice(_) => { self.push("A"); print_field_list(self)?; @@ -698,7 +689,7 @@ impl<'tcx> Printer<'tcx> for SymbolMangler<'tcx> { } } _ => { - bug!("symbol_names: unsupported constant of type `{}` ({:?})", ty, ct); + bug!("symbol_names: unsupported constant of type `{}` ({:?})", ct_ty, ct); } } diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs index eecceaec6a78..f90e47110376 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs @@ -1040,8 +1040,13 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { ) -> Option> { use rustc_middle::mir::interpret::ErrorHandled; match self.infcx.const_eval_resolve(param_env, unevaluated, DUMMY_SP) { - // THISPR - Ok(Some(val)) => Some(ty::Const::new_value(self.interner(), val, todo!())), + Ok(Some(val)) => Some(ty::Const::new_value( + self.interner(), + val, + self.interner() + .type_of(unevaluated.def) + .instantiate(self.interner(), unevaluated.args), + )), Ok(None) | Err(ErrorHandled::TooGeneric(_)) => None, Err(ErrorHandled::Reported(e, _)) => { Some(ty::Const::new_error(self.interner(), e.into())) diff --git a/compiler/rustc_trait_selection/src/solve/mod.rs b/compiler/rustc_trait_selection/src/solve/mod.rs index be5b36c5c8a0..effbd94c3363 100644 --- a/compiler/rustc_trait_selection/src/solve/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/mod.rs @@ -178,7 +178,9 @@ impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { ty::ConstKind::Infer(_) => { self.evaluate_added_goals_and_make_canonical_response(Certainty::AMBIGUOUS) } - ty::ConstKind::Placeholder(_) | ty::ConstKind::Value(_) | ty::ConstKind::Error(_) => { + ty::ConstKind::Placeholder(_) + | ty::ConstKind::Value(_, _) + | ty::ConstKind::Error(_) => { self.evaluate_added_goals_and_make_canonical_response(Certainty::Yes) } // We can freely ICE here as: diff --git a/compiler/rustc_trait_selection/src/traits/auto_trait.rs b/compiler/rustc_trait_selection/src/traits/auto_trait.rs index c3a25a50c7fb..1d32ef2ccd94 100644 --- a/compiler/rustc_trait_selection/src/traits/auto_trait.rs +++ b/compiler/rustc_trait_selection/src/traits/auto_trait.rs @@ -765,8 +765,7 @@ impl<'tcx> AutoTraitFinder<'tcx> { unevaluated, obligation.cause.span, ) { - // THISPR - Ok(Some(valtree)) => Ok(ty::Const::new_value(selcx.tcx(),valtree, todo!())), + Ok(Some(valtree)) => Ok(ty::Const::new_value(selcx.tcx(),valtree, self.tcx.type_of(unevaluated.def).instantiate(self.tcx, unevaluated.args))), Ok(None) => { let tcx = self.tcx; let reported = diff --git a/compiler/rustc_trait_selection/src/traits/const_evaluatable.rs b/compiler/rustc_trait_selection/src/traits/const_evaluatable.rs index 7d9771af5afa..f93bd0a396dd 100644 --- a/compiler/rustc_trait_selection/src/traits/const_evaluatable.rs +++ b/compiler/rustc_trait_selection/src/traits/const_evaluatable.rs @@ -34,7 +34,7 @@ pub fn is_const_evaluatable<'tcx>( ty::ConstKind::Param(_) | ty::ConstKind::Bound(_, _) | ty::ConstKind::Placeholder(_) - | ty::ConstKind::Value(_) + | ty::ConstKind::Value(_, _) | ty::ConstKind::Error(_) => return Ok(()), ty::ConstKind::Infer(_) => return Err(NotConstEvaluatable::MentionsInfer), }; diff --git a/compiler/rustc_transmute/src/lib.rs b/compiler/rustc_transmute/src/lib.rs index ccbcfed056fc..ffebf7b0721a 100644 --- a/compiler/rustc_transmute/src/lib.rs +++ b/compiler/rustc_transmute/src/lib.rs @@ -135,7 +135,7 @@ mod rustc { use rustc_middle::ty::ScalarInt; use rustc_span::symbol::sym; - let Ok(cv) = c.eval(tcx, param_env, DUMMY_SP) else { + let Ok((ty, cv)) = c.eval(tcx, param_env, DUMMY_SP) else { return Some(Self { alignment: true, lifetimes: true, @@ -144,8 +144,7 @@ mod rustc { }); }; - let assume_def_id = tcx.get_lang_items(()).get(LangItem::TransmuteOpts)?; - let adt_def = tcx.adt_def(assume_def_id); + let adt_def = ty.ty_adt_def()?; assert_eq!( tcx.require_lang_item(LangItem::TransmuteOpts, None), diff --git a/compiler/rustc_ty_utils/src/consts.rs b/compiler/rustc_ty_utils/src/consts.rs index b403e063d40f..f5c66e48ea64 100644 --- a/compiler/rustc_ty_utils/src/consts.rs +++ b/compiler/rustc_ty_utils/src/consts.rs @@ -23,7 +23,7 @@ fn destructure_const<'tcx>( tcx: TyCtxt<'tcx>, const_: ty::Const<'tcx>, ) -> ty::DestructuredConst<'tcx> { - let ty::ConstKind::Value(valtree) = const_.kind() else { + let ty::ConstKind::Value(ct_ty, valtree) = const_.kind() else { bug!("cannot destructure constant {:?}", const_) }; @@ -32,9 +32,6 @@ fn destructure_const<'tcx>( _ => bug!("cannot destructure constant {:?}", const_), }; - // THISPR - let ct_ty: Ty<'tcx> = todo!(); - let (fields, variant) = match ct_ty.kind() { ty::Array(inner_ty, _) | ty::Slice(inner_ty) => { // construct the consts for the elements of the array/slice diff --git a/compiler/rustc_type_ir/src/const_kind.rs b/compiler/rustc_type_ir/src/const_kind.rs index 7076df2893fe..84d48e14c241 100644 --- a/compiler/rustc_type_ir/src/const_kind.rs +++ b/compiler/rustc_type_ir/src/const_kind.rs @@ -32,7 +32,7 @@ pub enum ConstKind { Unevaluated(ty::UnevaluatedConst), /// Used to hold computed value. - Value(I::ValueConst), + Value(I::Ty, I::ValueConst), /// A placeholder for a const which could not be computed; this is /// propagated to avoid useless error messages. @@ -51,7 +51,7 @@ impl PartialEq for ConstKind { (Bound(l0, l1), Bound(r0, r1)) => l0 == r0 && l1 == r1, (Placeholder(l0), Placeholder(r0)) => l0 == r0, (Unevaluated(l0), Unevaluated(r0)) => l0 == r0, - (Value(l0), Value(r0)) => l0 == r0, + (Value(l0, l1), Value(r0, r1)) => l0 == r0 && l1 == r1, (Error(l0), Error(r0)) => l0 == r0, (Expr(l0), Expr(r0)) => l0 == r0, _ => false, @@ -80,7 +80,7 @@ impl DebugWithInfcx for ConstKind { Unevaluated(uv) => { write!(f, "{:?}", &this.wrap(uv)) } - Value(valtree) => write!(f, "{valtree:?}"), + Value(ty, valtree) => write!(f, "({valtree:?}: {:?})", &this.wrap(ty)), Error(_) => write!(f, "{{const error}}"), Expr(expr) => write!(f, "{:?}", &this.wrap(expr)), } From 8d6705cdb8e6da72c61dfd0feb80ec4061d448bd Mon Sep 17 00:00:00 2001 From: Boxy Date: Mon, 3 Jun 2024 03:11:11 +0100 Subject: [PATCH 1047/1716] Fully implement `ConstArgHasType` --- compiler/rustc_middle/src/traits/mod.rs | 2 + compiler/rustc_middle/src/ty/mod.rs | 24 ++++++ compiler/rustc_middle/src/ty/sty.rs | 22 ++++++ .../rustc_trait_selection/src/solve/mod.rs | 41 ++++++---- .../error_reporting/type_err_ctxt_ext.rs | 78 ++++++++----------- .../src/traits/fulfill.rs | 68 +++++++++------- .../src/traits/select/mod.rs | 26 ++++--- 7 files changed, 158 insertions(+), 103 deletions(-) diff --git a/compiler/rustc_middle/src/traits/mod.rs b/compiler/rustc_middle/src/traits/mod.rs index 62e71c4db11f..63678ab659df 100644 --- a/compiler/rustc_middle/src/traits/mod.rs +++ b/compiler/rustc_middle/src/traits/mod.rs @@ -616,6 +616,8 @@ pub enum SelectionError<'tcx> { /// We can thus not know whether the hidden type implements an auto trait, so /// we should not presume anything about it. OpaqueTypeAutoTraitLeakageUnknown(DefId), + /// Error for a `ConstArgHasType` goal + ConstArgHasWrongType { ct: ty::Const<'tcx>, ct_ty: Ty<'tcx>, expected_ty: Ty<'tcx> }, } #[derive(Clone, Debug, TypeVisitable)] diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs index fc42a11cff01..e0fbf127e708 100644 --- a/compiler/rustc_middle/src/ty/mod.rs +++ b/compiler/rustc_middle/src/ty/mod.rs @@ -934,6 +934,30 @@ pub struct Placeholder { pub universe: UniverseIndex, pub bound: T, } +impl Placeholder { + pub fn find_const_ty_from_env<'tcx>(self, env: ParamEnv<'tcx>) -> Ty<'tcx> { + let mut candidates = env.caller_bounds().iter().filter_map(|clause| { + // `ConstArgHasType` are never desugared to be higher ranked. + match clause.kind().skip_binder() { + ty::ClauseKind::ConstArgHasType(placeholder_ct, ty) => { + assert!(!(placeholder_ct, ty).has_escaping_bound_vars()); + + match placeholder_ct.kind() { + ty::ConstKind::Placeholder(placeholder_ct) if placeholder_ct == self => { + Some(ty) + } + _ => None, + } + } + _ => None, + } + }); + + let ty = candidates.next().unwrap(); + assert!(candidates.next().is_none()); + ty + } +} pub type PlaceholderRegion = Placeholder; diff --git a/compiler/rustc_middle/src/ty/sty.rs b/compiler/rustc_middle/src/ty/sty.rs index 879396b06781..c83f6b0b9ec6 100644 --- a/compiler/rustc_middle/src/ty/sty.rs +++ b/compiler/rustc_middle/src/ty/sty.rs @@ -21,6 +21,7 @@ use rustc_span::symbol::{sym, Symbol}; use rustc_span::{Span, DUMMY_SP}; use rustc_target::abi::{FieldIdx, VariantIdx, FIRST_VARIANT}; use rustc_target::spec::abi; +use rustc_type_ir::visit::TypeVisitableExt; use std::assert_matches::debug_assert_matches; use std::borrow::Cow; use std::iter; @@ -339,6 +340,27 @@ impl ParamConst { pub fn for_def(def: &ty::GenericParamDef) -> ParamConst { ParamConst::new(def.index, def.name) } + + pub fn find_ty_from_env<'tcx>(self, env: ParamEnv<'tcx>) -> Ty<'tcx> { + let mut candidates = env.caller_bounds().iter().filter_map(|clause| { + // `ConstArgHasType` are never desugared to be higher ranked. + match clause.kind().skip_binder() { + ty::ClauseKind::ConstArgHasType(param_ct, ty) => { + assert!(!(param_ct, ty).has_escaping_bound_vars()); + + match param_ct.kind() { + ty::ConstKind::Param(param_ct) if param_ct.index == self.index => Some(ty), + _ => None, + } + } + _ => None, + } + }); + + let ty = candidates.next().unwrap(); + assert!(candidates.next().is_none()); + ty + } } #[derive(Clone, Copy, PartialEq, Eq, Hash, TyEncodable, TyDecodable)] diff --git a/compiler/rustc_trait_selection/src/solve/mod.rs b/compiler/rustc_trait_selection/src/solve/mod.rs index effbd94c3363..c47b01949641 100644 --- a/compiler/rustc_trait_selection/src/solve/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/mod.rs @@ -200,30 +200,37 @@ impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { ) -> QueryResult<'tcx> { let (ct, ty) = goal.predicate; - // FIXME(BoxyUwU): Really we should not be calling `ct.ty()` for any variant - // other than `ConstKind::Value`. Unfortunately this would require looking in the - // env for any `ConstArgHasType` assumptions for parameters and placeholders. I - // have not yet gotten around to implementing this though. - // - // We do still stall on infer vars though as otherwise a goal like: - // `ConstArgHasType(?x: usize, usize)` can succeed even though it might later - // get unified with some const that is not of type `usize`. - match ct.kind() { + let ct_ty = match ct.kind() { // FIXME: Ignore effect vars because canonicalization doesn't handle them correctly // and if we stall on the var then we wind up creating ambiguity errors in a probe // for this goal which contains an effect var. Which then ends up ICEing. - ty::ConstKind::Infer(ty::InferConst::Var(_)) => { - self.evaluate_added_goals_and_make_canonical_response(Certainty::AMBIGUOUS) + ty::ConstKind::Infer(ty::InferConst::EffectVar(_)) => { + return self.evaluate_added_goals_and_make_canonical_response(Certainty::Yes); + } + ty::ConstKind::Infer(_) => { + return self.evaluate_added_goals_and_make_canonical_response(Certainty::AMBIGUOUS); } ty::ConstKind::Error(_) => { - self.evaluate_added_goals_and_make_canonical_response(Certainty::Yes) + return self.evaluate_added_goals_and_make_canonical_response(Certainty::Yes); } - _ => { - // THISPR - self.eq(goal.param_env, todo!(), ty)?; - self.evaluate_added_goals_and_make_canonical_response(Certainty::Yes) + ty::ConstKind::Unevaluated(uv) => { + self.interner().type_of(uv.def).instantiate(self.interner(), uv.args) } - } + ty::ConstKind::Expr(_) => unimplemented!( + "`feature(generic_const_exprs)` is not supported in the new trait solver" + ), + ty::ConstKind::Param(_) => { + unreachable!("`ConstKind::Param` should have been canonicalized to `Placeholder`") + } + ty::ConstKind::Bound(_, _) => bug!("escaping bound vars in {:?}", ct), + ty::ConstKind::Value(ty, _) => ty, + ty::ConstKind::Placeholder(placeholder) => { + placeholder.find_const_ty_from_env(goal.param_env) + } + }; + + self.eq(goal.param_env, ct_ty, ty)?; + self.evaluate_added_goals_and_make_canonical_response(Certainty::Yes) } } diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs index 416b62226cd8..46b137881866 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs @@ -876,57 +876,25 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { } } - ty::PredicateKind::Clause(ty::ClauseKind::ConstEvaluatable(..)) => { - // Errors for `ConstEvaluatable` predicates show up as - // `SelectionError::ConstEvalFailure`, - // not `Unimplemented`. + // Errors for `ConstEvaluatable` predicates show up as + // `SelectionError::ConstEvalFailure`, + // not `Unimplemented`. + ty::PredicateKind::Clause(ty::ClauseKind::ConstEvaluatable(..)) + // Errors for `ConstEquate` predicates show up as + // `SelectionError::ConstEvalFailure`, + // not `Unimplemented`. + | ty::PredicateKind::ConstEquate { .. } + // Ambiguous predicates should never error + | ty::PredicateKind::Ambiguous + | ty::PredicateKind::NormalizesTo { .. } + | ty::PredicateKind::AliasRelate { .. } + | ty::PredicateKind::Clause(ty::ClauseKind::ConstArgHasType { .. }) => { span_bug!( span, - "const-evaluatable requirement gave wrong error: `{:?}`", + "Unexpected `Predicate` for `SelectionError`: `{:?}`", obligation ) } - - ty::PredicateKind::ConstEquate(..) => { - // Errors for `ConstEquate` predicates show up as - // `SelectionError::ConstEvalFailure`, - // not `Unimplemented`. - span_bug!( - span, - "const-equate requirement gave wrong error: `{:?}`", - obligation - ) - } - - ty::PredicateKind::Ambiguous => span_bug!(span, "ambiguous"), - - ty::PredicateKind::NormalizesTo(..) => span_bug!( - span, - "NormalizesTo predicate should never be the predicate cause of a SelectionError" - ), - - ty::PredicateKind::AliasRelate(..) => span_bug!( - span, - "AliasRelate predicate should never be the predicate cause of a SelectionError" - ), - - ty::PredicateKind::Clause(ty::ClauseKind::ConstArgHasType(ct, ty)) => { - let mut diag = self.dcx().struct_span_err( - span, - format!("the constant `{ct}` is not of type `{ty}`"), - ); - self.note_type_err( - &mut diag, - &obligation.cause, - None, - None, - // THISPR - TypeError::Sorts(ty::error::ExpectedFound::new(true, ty, todo!())), - false, - false, - ); - diag - } } } @@ -989,6 +957,24 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { Overflow(_) => { bug!("overflow should be handled before the `report_selection_error` path"); } + + SelectionError::ConstArgHasWrongType { ct, ct_ty, expected_ty } => { + let mut diag = self.dcx().struct_span_err( + span, + format!("the constant `{ct}` is not of type `{expected_ty}`"), + ); + + self.note_type_err( + &mut diag, + &obligation.cause, + None, + None, + TypeError::Sorts(ty::error::ExpectedFound::new(true, expected_ty, ct_ty)), + false, + false, + ); + diag + } }; self.note_obligation_cause(&mut err, &obligation); diff --git a/compiler/rustc_trait_selection/src/traits/fulfill.rs b/compiler/rustc_trait_selection/src/traits/fulfill.rs index 277b52e274be..bce5c7101cc5 100644 --- a/compiler/rustc_trait_selection/src/traits/fulfill.rs +++ b/compiler/rustc_trait_selection/src/traits/fulfill.rs @@ -439,38 +439,50 @@ impl<'a, 'tcx> ObligationProcessor for FulfillProcessor<'a, 'tcx> { // This is because this is not ever a useful obligation to report // as the cause of an overflow. ty::PredicateKind::Clause(ty::ClauseKind::ConstArgHasType(ct, ty)) => { - // FIXME(BoxyUwU): Really we should not be calling `ct.ty()` for any variant - // other than `ConstKind::Value`. Unfortunately this would require looking in the - // env for any `ConstArgHasType` assumptions for parameters and placeholders. I - // don't really want to implement this in the old solver so I haven't. - // - // We do still stall on infer vars though as otherwise a goal like: - // `ConstArgHasType(?x: usize, usize)` can succeed even though it might later - // get unified with some const that is not of type `usize`. - let ct = self.selcx.infcx.shallow_resolve_const(ct); - match ct.kind() { - ty::ConstKind::Infer(ty::InferConst::Var(vid)) => { + let ct = infcx.shallow_resolve_const(ct); + let ct_ty = match ct.kind() { + ty::ConstKind::Infer(var) => { + let var = match var { + ty::InferConst::Var(vid) => TyOrConstInferVar::Const(vid), + ty::InferConst::EffectVar(vid) => TyOrConstInferVar::Effect(vid), + ty::InferConst::Fresh(_) => { + bug!("encountered fresh const in fulfill") + } + }; pending_obligation.stalled_on.clear(); - pending_obligation.stalled_on.extend([TyOrConstInferVar::Const(vid)]); - ProcessResult::Unchanged + pending_obligation.stalled_on.extend([var]); + return ProcessResult::Unchanged; } ty::ConstKind::Error(_) => return ProcessResult::Changed(vec![]), - _ => { - match self.selcx.infcx.at(&obligation.cause, obligation.param_env).eq( - // Only really excercised by generic_const_exprs - DefineOpaqueTypes::Yes, - // THISPR - todo!(), - ty, - ) { - Ok(inf_ok) => { - ProcessResult::Changed(mk_pending(inf_ok.into_obligations())) - } - Err(_) => ProcessResult::Error(FulfillmentErrorCode::Select( - SelectionError::Unimplemented, - )), - } + ty::ConstKind::Value(ty, _) => ty, + ty::ConstKind::Unevaluated(uv) => { + infcx.tcx.type_of(uv.def).instantiate(infcx.tcx, uv.args) } + // FIXME(generic_const_exprs): we should construct an alias like + // `>::Output` when this is an `Expr` representing + // `lhs + rhs`. + ty::ConstKind::Expr(_) => { + return ProcessResult::Changed(mk_pending(vec![])); + } + ty::ConstKind::Placeholder(_) => { + bug!("placeholder const {:?} in old solver", ct) + } + ty::ConstKind::Bound(_, _) => bug!("escaping bound vars in {:?}", ct), + ty::ConstKind::Param(param_ct) => { + param_ct.find_ty_from_env(obligation.param_env) + } + }; + + match infcx.at(&obligation.cause, obligation.param_env).eq( + // Only really excercised by generic_const_exprs + DefineOpaqueTypes::Yes, + ct_ty, + ty, + ) { + Ok(inf_ok) => ProcessResult::Changed(mk_pending(inf_ok.into_obligations())), + Err(_) => ProcessResult::Error(FulfillmentErrorCode::Select( + SelectionError::ConstArgHasWrongType { ct, ct_ty, expected_ty: ty }, + )), } } diff --git a/compiler/rustc_trait_selection/src/traits/select/mod.rs b/compiler/rustc_trait_selection/src/traits/select/mod.rs index 93e6cbdf69af..ce4fa5fa47cb 100644 --- a/compiler/rustc_trait_selection/src/traits/select/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/select/mod.rs @@ -994,23 +994,25 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { } ty::PredicateKind::Ambiguous => Ok(EvaluatedToAmbig), ty::PredicateKind::Clause(ty::ClauseKind::ConstArgHasType(ct, ty)) => { - // FIXME(BoxyUwU): Really we should not be calling `ct.ty()` for any variant - // other than `ConstKind::Value`. Unfortunately this would require looking in the - // env for any `ConstArgHasType` assumptions for parameters and placeholders. I - // don't really want to implement this in the old solver so I haven't. - // - // We do still stall on infer vars though as otherwise a goal like: - // `ConstArgHasType(?x: usize, usize)` can succeed even though it might later - // get unified with some const that is not of type `usize`. let ct = self.infcx.shallow_resolve_const(ct); let ct_ty = match ct.kind() { - ty::ConstKind::Infer(ty::InferConst::Var(_)) => { + ty::ConstKind::Infer(_) => { return Ok(EvaluatedToAmbig); } ty::ConstKind::Error(_) => return Ok(EvaluatedToOk), - // THISPR - _ => todo!(), - // _ => ct.ty(), + ty::ConstKind::Value(ty, _) => ty, + ty::ConstKind::Unevaluated(uv) => { + self.tcx().type_of(uv.def).instantiate(self.tcx(), uv.args) + } + // FIXME(generic_const_exprs): See comment in `fulfill.rs` + ty::ConstKind::Expr(_) => return Ok(EvaluatedToOk), + ty::ConstKind::Placeholder(_) => { + bug!("placeholder const {:?} in old solver", ct) + } + ty::ConstKind::Bound(_, _) => bug!("escaping bound vars in {:?}", ct), + ty::ConstKind::Param(param_ct) => { + param_ct.find_ty_from_env(obligation.param_env) + } }; match self.infcx.at(&obligation.cause, obligation.param_env).eq( From 60a5bebbe591f228bf83f3c48f5f60fe87dedaad Mon Sep 17 00:00:00 2001 From: Boxy Date: Mon, 3 Jun 2024 04:46:24 +0100 Subject: [PATCH 1048/1716] Add `Ty` to `mir::Const::Ty` --- compiler/rustc_borrowck/src/type_check/mod.rs | 4 +-- .../rustc_codegen_ssa/src/mir/constant.rs | 2 +- .../src/check_consts/qualifs.rs | 4 +-- compiler/rustc_middle/src/mir/consts.rs | 35 ++++++++++++------- compiler/rustc_middle/src/mir/pretty.rs | 4 +-- compiler/rustc_middle/src/mir/visit.rs | 2 +- .../src/build/expr/as_constant.rs | 8 +++-- .../src/thir/pattern/const_to_pat.rs | 16 +++++---- .../rustc_mir_build/src/thir/pattern/mod.rs | 19 ++++++---- .../src/dataflow_const_prop.rs | 5 +-- compiler/rustc_mir_transform/src/gvn.rs | 12 +++++-- .../rustc_mir_transform/src/instsimplify.rs | 2 +- .../src/normalize_array_len.rs | 2 +- .../rustc_monomorphize/src/polymorphize.rs | 2 +- compiler/rustc_pattern_analysis/src/rustc.rs | 2 +- .../rustc_smir/src/rustc_internal/internal.rs | 4 ++- compiler/rustc_smir/src/rustc_smir/context.rs | 3 +- .../rustc_smir/src/rustc_smir/convert/mir.rs | 4 +-- .../rustc_smir/src/rustc_smir/convert/ty.rs | 2 +- 19 files changed, 81 insertions(+), 51 deletions(-) diff --git a/compiler/rustc_borrowck/src/type_check/mod.rs b/compiler/rustc_borrowck/src/type_check/mod.rs index 291d2782c32c..fcfb297d50aa 100644 --- a/compiler/rustc_borrowck/src/type_check/mod.rs +++ b/compiler/rustc_borrowck/src/type_check/mod.rs @@ -346,7 +346,7 @@ impl<'a, 'b, 'tcx> Visitor<'tcx> for TypeVerifier<'a, 'b, 'tcx> { } else { let tcx = self.tcx(); let maybe_uneval = match constant.const_ { - Const::Ty(ct) => match ct.kind() { + Const::Ty(_, ct) => match ct.kind() { ty::ConstKind::Unevaluated(_) => { bug!("should not encounter unevaluated Const::Ty here, got {:?}", ct) } @@ -1856,7 +1856,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { if let Operand::Constant(constant) = op { let maybe_uneval = match constant.const_ { - Const::Val(..) | Const::Ty(_) => None, + Const::Val(..) | Const::Ty(_, _) => None, Const::Unevaluated(uv, _) => Some(uv), }; diff --git a/compiler/rustc_codegen_ssa/src/mir/constant.rs b/compiler/rustc_codegen_ssa/src/mir/constant.rs index 81eb44132dd4..822f5c2c44a2 100644 --- a/compiler/rustc_codegen_ssa/src/mir/constant.rs +++ b/compiler/rustc_codegen_ssa/src/mir/constant.rs @@ -40,7 +40,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { ) -> Result>, ErrorHandled> { let uv = match self.monomorphize(constant.const_) { mir::Const::Unevaluated(uv, _) => uv.shrink(), - mir::Const::Ty(c) => match c.kind() { + mir::Const::Ty(_, c) => match c.kind() { // A constant that came from a const generic but was then used as an argument to old-style // simd_shuffle (passing as argument instead of as a generic param). rustc_type_ir::ConstKind::Value(_, valtree) => return Ok(Some(valtree)), diff --git a/compiler/rustc_const_eval/src/check_consts/qualifs.rs b/compiler/rustc_const_eval/src/check_consts/qualifs.rs index 32500914f067..9fd7219499b2 100644 --- a/compiler/rustc_const_eval/src/check_consts/qualifs.rs +++ b/compiler/rustc_const_eval/src/check_consts/qualifs.rs @@ -357,7 +357,7 @@ where // Check the qualifs of the value of `const` items. let uneval = match constant.const_ { - Const::Ty(ct) + Const::Ty(_, ct) if matches!( ct.kind(), ty::ConstKind::Param(_) | ty::ConstKind::Error(_) | ty::ConstKind::Value(_, _) @@ -365,7 +365,7 @@ where { None } - Const::Ty(c) => { + Const::Ty(_, c) => { bug!("expected ConstKind::Param or ConstKind::Value here, found {:?}", c) } Const::Unevaluated(uv, _) => Some(uv), diff --git a/compiler/rustc_middle/src/mir/consts.rs b/compiler/rustc_middle/src/mir/consts.rs index b288347c6637..cc8979dd990e 100644 --- a/compiler/rustc_middle/src/mir/consts.rs +++ b/compiler/rustc_middle/src/mir/consts.rs @@ -204,7 +204,9 @@ pub enum Const<'tcx> { /// Any way of turning `ty::Const` into `ConstValue` should go through `valtree_to_const_val`; /// this ensures that we consistently produce "clean" values without data in the padding or /// anything like that. - Ty(ty::Const<'tcx>), + /// + /// FIXME(BoxyUwU): We should remove this `Ty` and look up the type for params via `ParamEnv` + Ty(Ty<'tcx>, ty::Const<'tcx>), /// An unevaluated mir constant which is not part of the type system. /// @@ -237,8 +239,15 @@ impl<'tcx> Const<'tcx> { #[inline(always)] pub fn ty(&self) -> Ty<'tcx> { match self { - // THISPR - Const::Ty(c) => todo!(), + Const::Ty(ty, ct) => { + match ct.kind() { + // Dont use the outter ty as on invalid code we can wind up with them not being the same. + // this then results in allowing const eval to add `1_i64 + 1_usize` in cases where the mir + // was originally `({N: usize} + 1_usize)` under `generic_const_exprs`. + ty::ConstKind::Value(ty, _) => ty, + _ => *ty, + } + } Const::Val(_, ty) | Const::Unevaluated(_, ty) => *ty, } } @@ -248,7 +257,7 @@ impl<'tcx> Const<'tcx> { #[inline] pub fn is_required_const(&self) -> bool { match self { - Const::Ty(c) => match c.kind() { + Const::Ty(_, c) => match c.kind() { ty::ConstKind::Value(_, _) => false, // already a value, cannot error _ => true, }, @@ -260,7 +269,7 @@ impl<'tcx> Const<'tcx> { #[inline] pub fn try_to_scalar(self) -> Option { match self { - Const::Ty(c) => match c.kind() { + Const::Ty(_, c) => match c.kind() { ty::ConstKind::Value(ty, valtree) if ty.is_primitive() => { // A valtree of a type where leaves directly represent the scalar const value. // Just checking whether it is a leaf is insufficient as e.g. references are leafs @@ -279,7 +288,7 @@ impl<'tcx> Const<'tcx> { // This is equivalent to `self.try_to_scalar()?.try_to_int().ok()`, but measurably faster. match self { Const::Val(ConstValue::Scalar(Scalar::Int(x)), _) => Some(x), - Const::Ty(c) => match c.kind() { + Const::Ty(_, c) => match c.kind() { ty::ConstKind::Value(ty, valtree) if ty.is_primitive() => { Some(valtree.unwrap_leaf()) } @@ -307,7 +316,7 @@ impl<'tcx> Const<'tcx> { span: Span, ) -> Result, ErrorHandled> { match self { - Const::Ty(c) => { + Const::Ty(_, c) => { // We want to consistently have a "clean" value for type system constants (i.e., no // data hidden in the padding), so we always go through a valtree here. let (ty, val) = c.eval(tcx, param_env, span)?; @@ -327,7 +336,7 @@ impl<'tcx> Const<'tcx> { match self.eval(tcx, param_env, DUMMY_SP) { Ok(val) => Self::Val(val, self.ty()), Err(ErrorHandled::Reported(guar, _span)) => { - Self::Ty(ty::Const::new_error(tcx, guar.into())) + Self::Ty(Ty::new_error(tcx, guar.into()), ty::Const::new_error(tcx, guar.into())) } Err(ErrorHandled::TooGeneric(_span)) => self, } @@ -339,7 +348,7 @@ impl<'tcx> Const<'tcx> { tcx: TyCtxt<'tcx>, param_env: ty::ParamEnv<'tcx>, ) -> Option { - if let Const::Ty(c) = self + if let Const::Ty(_, c) = self && let ty::ConstKind::Value(ty, val) = c.kind() && ty.is_primitive() { @@ -441,14 +450,14 @@ impl<'tcx> Const<'tcx> { Self::Val(val, ty) } - pub fn from_ty_const(c: ty::Const<'tcx>, tcx: TyCtxt<'tcx>) -> Self { + pub fn from_ty_const(c: ty::Const<'tcx>, ty: Ty<'tcx>, tcx: TyCtxt<'tcx>) -> Self { match c.kind() { ty::ConstKind::Value(ty, valtree) => { // Make sure that if `c` is normalized, then the return value is normalized. let const_val = tcx.valtree_to_const_val((ty, valtree)); Self::Val(const_val, ty) } - _ => Self::Ty(c), + _ => Self::Ty(ty, c), } } @@ -460,7 +469,7 @@ impl<'tcx> Const<'tcx> { // - valtrees purposefully generate new allocations // - ConstValue::Slice also generate new allocations match self { - Const::Ty(c) => match c.kind() { + Const::Ty(_, c) => match c.kind() { ty::ConstKind::Param(..) => true, // A valtree may be a reference. Valtree references correspond to a // different allocation each time they are evaluated. Valtrees for primitive @@ -519,7 +528,7 @@ impl<'tcx> UnevaluatedConst<'tcx> { impl<'tcx> Display for Const<'tcx> { fn fmt(&self, fmt: &mut Formatter<'_>) -> fmt::Result { match *self { - Const::Ty(c) => pretty_print_const(c, fmt, true), + Const::Ty(_, c) => pretty_print_const(c, fmt, true), Const::Val(val, ty) => pretty_print_const_value(val, ty, fmt), // FIXME(valtrees): Correctly print mir constants. Const::Unevaluated(c, _ty) => { diff --git a/compiler/rustc_middle/src/mir/pretty.rs b/compiler/rustc_middle/src/mir/pretty.rs index 845a8da3443a..c91b67297ee8 100644 --- a/compiler/rustc_middle/src/mir/pretty.rs +++ b/compiler/rustc_middle/src/mir/pretty.rs @@ -1313,7 +1313,7 @@ impl<'tcx> Visitor<'tcx> for ExtraComments<'tcx> { }; let val = match const_ { - Const::Ty(ct) => match ct.kind() { + Const::Ty(_, ct) => match ct.kind() { ty::ConstKind::Param(p) => format!("ty::Param({p})"), ty::ConstKind::Unevaluated(uv) => { format!("ty::Unevaluated({}, {:?})", self.tcx.def_path_str(uv.def), uv.args,) @@ -1417,7 +1417,7 @@ pub fn write_allocations<'tcx>( impl<'tcx> Visitor<'tcx> for CollectAllocIds { fn visit_constant(&mut self, c: &ConstOperand<'tcx>, _: Location) { match c.const_ { - Const::Ty(_) | Const::Unevaluated(..) => {} + Const::Ty(_, _) | Const::Unevaluated(..) => {} Const::Val(val, _) => { self.0.extend(alloc_ids_from_const_val(val)); } diff --git a/compiler/rustc_middle/src/mir/visit.rs b/compiler/rustc_middle/src/mir/visit.rs index 8901fd42d936..f553b417294a 100644 --- a/compiler/rustc_middle/src/mir/visit.rs +++ b/compiler/rustc_middle/src/mir/visit.rs @@ -895,7 +895,7 @@ macro_rules! make_mir_visitor { self.visit_span($(& $mutability)? *span); match const_ { - Const::Ty(ct) => self.visit_ty_const($(&$mutability)? *ct, location), + Const::Ty(_, ct) => self.visit_ty_const($(&$mutability)? *ct, location), Const::Val(_, ty) => self.visit_ty($(& $mutability)? *ty, TyContext::Location(location)), Const::Unevaluated(_, ty) => self.visit_ty($(& $mutability)? *ty, TyContext::Location(location)), } diff --git a/compiler/rustc_mir_build/src/build/expr/as_constant.rs b/compiler/rustc_mir_build/src/build/expr/as_constant.rs index 5eed6995fff8..b783eba8c4e1 100644 --- a/compiler/rustc_mir_build/src/build/expr/as_constant.rs +++ b/compiler/rustc_mir_build/src/build/expr/as_constant.rs @@ -7,7 +7,7 @@ use rustc_middle::mir::interpret::{Allocation, LitToConstError, LitToConstInput, use rustc_middle::mir::*; use rustc_middle::thir::*; use rustc_middle::ty::{ - self, CanonicalUserType, CanonicalUserTypeAnnotation, TyCtxt, UserTypeAnnotationIndex, + self, CanonicalUserType, CanonicalUserTypeAnnotation, Ty, TyCtxt, UserTypeAnnotationIndex, }; use rustc_middle::{bug, span_bug}; use rustc_target::abi::Size; @@ -50,7 +50,9 @@ pub(crate) fn as_constant_inner<'tcx>( let const_ = match lit_to_mir_constant(tcx, LitToConstInput { lit: &lit.node, ty, neg }) { Ok(c) => c, - Err(LitToConstError::Reported(guar)) => Const::Ty(ty::Const::new_error(tcx, guar)), + Err(LitToConstError::Reported(guar)) => { + Const::Ty(Ty::new_error(tcx, guar), ty::Const::new_error(tcx, guar)) + } Err(LitToConstError::TypeError) => { bug!("encountered type error in `lit_to_mir_constant`") } @@ -82,7 +84,7 @@ pub(crate) fn as_constant_inner<'tcx>( } ExprKind::ConstParam { param, def_id: _ } => { let const_param = ty::Const::new_param(tcx, param); - let const_ = Const::Ty(const_param); + let const_ = Const::Ty(expr.ty, const_param); ConstOperand { user_ty: None, span, const_ } } diff --git a/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs b/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs index cc5aa8ea9cc7..36495101d3f4 100644 --- a/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs +++ b/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs @@ -101,9 +101,9 @@ impl<'tcx> ConstToPat<'tcx> { // level of indirection can be eliminated let have_valtree = - matches!(cv, mir::Const::Ty(c) if matches!(c.kind(), ty::ConstKind::Value(_, _))); + matches!(cv, mir::Const::Ty(_, c) if matches!(c.kind(), ty::ConstKind::Value(_, _))); let inlined_const_as_pat = match cv { - mir::Const::Ty(c) => match c.kind() { + mir::Const::Ty(_, c) => match c.kind() { ty::ConstKind::Param(_) | ty::ConstKind::Infer(_) | ty::ConstKind::Bound(_, _) @@ -336,9 +336,9 @@ impl<'tcx> ConstToPat<'tcx> { ty::Ref(_, pointee_ty, ..) => match *pointee_ty.kind() { // `&str` is represented as a valtree, let's keep using this // optimization for now. - ty::Str => { - PatKind::Constant { value: mir::Const::Ty(ty::Const::new_value(tcx, cv, ty)) } - } + ty::Str => PatKind::Constant { + value: mir::Const::Ty(ty, ty::Const::new_value(tcx, cv, ty)), + }, // All other references are converted into deref patterns and then recursively // convert the dereferenced constant to a pattern that is the sub-pattern of the // deref pattern. @@ -382,13 +382,15 @@ impl<'tcx> ConstToPat<'tcx> { self.saw_const_match_error.set(Some(e)); return Err(FallbackToOpaqueConst); } else { - PatKind::Constant { value: mir::Const::Ty(ty::Const::new_value(tcx, cv, ty)) } + PatKind::Constant { + value: mir::Const::Ty(ty, ty::Const::new_value(tcx, cv, ty)), + } } } ty::Pat(..) | ty::Bool | ty::Char | ty::Int(_) | ty::Uint(_) | ty::RawPtr(..) => { // The raw pointers we see here have been "vetted" by valtree construction to be // just integers, so we simply allow them. - PatKind::Constant { value: mir::Const::Ty(ty::Const::new_value(tcx, cv, ty)) } + PatKind::Constant { value: mir::Const::Ty(ty, ty::Const::new_value(tcx, cv, ty)) } } ty::FnPtr(..) => { unreachable!( diff --git a/compiler/rustc_mir_build/src/thir/pattern/mod.rs b/compiler/rustc_mir_build/src/thir/pattern/mod.rs index 33401cad631a..145a40ca3cd6 100644 --- a/compiler/rustc_mir_build/src/thir/pattern/mod.rs +++ b/compiler/rustc_mir_build/src/thir/pattern/mod.rs @@ -580,7 +580,7 @@ impl<'a, 'tcx> PatCtxt<'a, 'tcx> { .tcx .const_eval_global_id_for_typeck(param_env_reveal_all, cid, span) .map(|val| match val { - Some(valtree) => mir::Const::Ty(ty::Const::new_value(self.tcx, valtree, ty)), + Some(valtree) => mir::Const::Ty(ty, ty::Const::new_value(self.tcx, valtree, ty)), None => mir::Const::Val( self.tcx .const_eval_global_id(param_env_reveal_all, cid, span) @@ -659,7 +659,7 @@ impl<'a, 'tcx> PatCtxt<'a, 'tcx> { }; if let Some(lit_input) = lit_input { match tcx.at(expr.span).lit_to_const(lit_input) { - Ok(c) => return self.const_to_pat(Const::Ty(c), id, span).kind, + Ok(c) => return self.const_to_pat(Const::Ty(ty, c), id, span).kind, // If an error occurred, ignore that it's a literal // and leave reporting the error up to const eval of // the unevaluated constant below. @@ -681,8 +681,11 @@ impl<'a, 'tcx> PatCtxt<'a, 'tcx> { // but something more principled, like a trait query checking whether this can be turned into a valtree. if let Ok(Some(valtree)) = self.tcx.const_eval_resolve_for_typeck(self.param_env, ct, span) { - let subpattern = - self.const_to_pat(Const::Ty(ty::Const::new_value(self.tcx, valtree, ty)), id, span); + let subpattern = self.const_to_pat( + Const::Ty(ty, ty::Const::new_value(self.tcx, valtree, ty)), + id, + span, + ); PatKind::InlineConstant { subpattern, def: def_id } } else { // If that fails, convert it to an opaque constant pattern. @@ -720,10 +723,12 @@ impl<'a, 'tcx> PatCtxt<'a, 'tcx> { _ => span_bug!(expr.span, "not a literal: {:?}", expr), }; - let lit_input = - LitToConstInput { lit: &lit.node, ty: self.typeck_results.expr_ty(expr), neg }; + let ct_ty = self.typeck_results.expr_ty(expr); + let lit_input = LitToConstInput { lit: &lit.node, ty: ct_ty, neg }; match self.tcx.at(expr.span).lit_to_const(lit_input) { - Ok(constant) => self.const_to_pat(Const::Ty(constant), expr.hir_id, lit.span).kind, + Ok(constant) => { + self.const_to_pat(Const::Ty(ct_ty, constant), expr.hir_id, lit.span).kind + } Err(LitToConstError::Reported(e)) => PatKind::Error(e), Err(LitToConstError::TypeError) => bug!("lower_lit: had type error"), } diff --git a/compiler/rustc_mir_transform/src/dataflow_const_prop.rs b/compiler/rustc_mir_transform/src/dataflow_const_prop.rs index e88b727a21e9..a8caead46f2f 100644 --- a/compiler/rustc_mir_transform/src/dataflow_const_prop.rs +++ b/compiler/rustc_mir_transform/src/dataflow_const_prop.rs @@ -203,7 +203,8 @@ impl<'tcx> ValueAnalysis<'tcx> for ConstAnalysis<'_, 'tcx> { && let operand_ty = operand.ty(self.local_decls, self.tcx) && let Some(operand_ty) = operand_ty.builtin_deref(true) && let ty::Array(_, len) = operand_ty.kind() - && let Some(len) = Const::Ty(*len).try_eval_scalar_int(self.tcx, self.param_env) + && let Some(len) = Const::Ty(self.tcx.types.usize, *len) + .try_eval_scalar_int(self.tcx, self.param_env) { state.insert_value_idx(target_len, FlatSet::Elem(len.into()), self.map()); } @@ -221,7 +222,7 @@ impl<'tcx> ValueAnalysis<'tcx> for ConstAnalysis<'_, 'tcx> { Rvalue::Len(place) => { let place_ty = place.ty(self.local_decls, self.tcx); if let ty::Array(_, len) = place_ty.ty.kind() { - Const::Ty(*len) + Const::Ty(self.tcx.types.usize, *len) .try_eval_scalar(self.tcx, self.param_env) .map_or(FlatSet::Top, FlatSet::Elem) } else if let [ProjectionElem::Deref] = place.projection[..] { diff --git a/compiler/rustc_mir_transform/src/gvn.rs b/compiler/rustc_mir_transform/src/gvn.rs index fadb5edefdfb..8194bd5c6cc7 100644 --- a/compiler/rustc_mir_transform/src/gvn.rs +++ b/compiler/rustc_mir_transform/src/gvn.rs @@ -1108,7 +1108,11 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { // Trivial case: we are fetching a statically known length. let place_ty = place.ty(self.local_decls, self.tcx).ty; if let ty::Array(_, len) = place_ty.kind() { - return self.insert_constant(Const::from_ty_const(*len, self.tcx)); + return self.insert_constant(Const::from_ty_const( + *len, + self.tcx.types.usize, + self.tcx, + )); } let mut inner = self.simplify_place_value(place, location)?; @@ -1130,7 +1134,11 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { && let Some(to) = to.builtin_deref(true) && let ty::Slice(..) = to.kind() { - return self.insert_constant(Const::from_ty_const(*len, self.tcx)); + return self.insert_constant(Const::from_ty_const( + *len, + self.tcx.types.usize, + self.tcx, + )); } // Fallback: a symbolic `Len`. diff --git a/compiler/rustc_mir_transform/src/instsimplify.rs b/compiler/rustc_mir_transform/src/instsimplify.rs index 40db3e38fd32..6806c517c17d 100644 --- a/compiler/rustc_mir_transform/src/instsimplify.rs +++ b/compiler/rustc_mir_transform/src/instsimplify.rs @@ -150,7 +150,7 @@ impl<'tcx> InstSimplifyContext<'tcx, '_> { return; } - let const_ = Const::from_ty_const(len, self.tcx); + let const_ = Const::from_ty_const(len, self.tcx.types.usize, self.tcx); let constant = ConstOperand { span: source_info.span, const_, user_ty: None }; *rvalue = Rvalue::Use(Operand::Constant(Box::new(constant))); } diff --git a/compiler/rustc_mir_transform/src/normalize_array_len.rs b/compiler/rustc_mir_transform/src/normalize_array_len.rs index 2070895c9002..d5e727066614 100644 --- a/compiler/rustc_mir_transform/src/normalize_array_len.rs +++ b/compiler/rustc_mir_transform/src/normalize_array_len.rs @@ -95,7 +95,7 @@ impl<'tcx> MutVisitor<'tcx> for Replacer<'tcx> { *rvalue = Rvalue::Use(Operand::Constant(Box::new(ConstOperand { span: rustc_span::DUMMY_SP, user_ty: None, - const_: Const::from_ty_const(len, self.tcx), + const_: Const::from_ty_const(len, self.tcx.types.usize, self.tcx), }))); } self.super_rvalue(rvalue, loc); diff --git a/compiler/rustc_monomorphize/src/polymorphize.rs b/compiler/rustc_monomorphize/src/polymorphize.rs index dc13766d1451..a3ca9e9f9cfe 100644 --- a/compiler/rustc_monomorphize/src/polymorphize.rs +++ b/compiler/rustc_monomorphize/src/polymorphize.rs @@ -263,7 +263,7 @@ impl<'a, 'tcx> Visitor<'tcx> for MarkUsedGenericParams<'a, 'tcx> { fn visit_constant(&mut self, ct: &mir::ConstOperand<'tcx>, location: Location) { match ct.const_ { - mir::Const::Ty(c) => { + mir::Const::Ty(_, c) => { c.visit_with(self); } mir::Const::Unevaluated(mir::UnevaluatedConst { def, args: _, promoted }, ty) => { diff --git a/compiler/rustc_pattern_analysis/src/rustc.rs b/compiler/rustc_pattern_analysis/src/rustc.rs index ff68dd81beaf..81c5f3552319 100644 --- a/compiler/rustc_pattern_analysis/src/rustc.rs +++ b/compiler/rustc_pattern_analysis/src/rustc.rs @@ -737,7 +737,7 @@ impl<'p, 'tcx: 'p> RustcPatCtxt<'p, 'tcx> { // this). We show this to the user as `usize::MAX..` which is slightly incorrect but // probably clear enough. let c = ty.numeric_max_val(cx.tcx).unwrap(); - let value = mir::Const::from_ty_const(c, cx.tcx); + let value = mir::Const::from_ty_const(c, ty.0, cx.tcx); lo = PatRangeBoundary::Finite(value); } let hi = if let Some(hi) = range.hi.minus_one() { diff --git a/compiler/rustc_smir/src/rustc_internal/internal.rs b/compiler/rustc_smir/src/rustc_internal/internal.rs index edfd48ed43b1..c33a52f4a7a8 100644 --- a/compiler/rustc_smir/src/rustc_internal/internal.rs +++ b/compiler/rustc_smir/src/rustc_internal/internal.rs @@ -251,7 +251,9 @@ impl RustcInternal for MirConst { fn internal<'tcx>(&self, tables: &mut Tables<'_>, tcx: TyCtxt<'tcx>) -> Self::T<'tcx> { let constant = tables.mir_consts[self.id]; match constant { - rustc_middle::mir::Const::Ty(ty) => rustc_middle::mir::Const::Ty(tcx.lift(ty).unwrap()), + rustc_middle::mir::Const::Ty(ty, ct) => { + rustc_middle::mir::Const::Ty(tcx.lift(ty).unwrap(), tcx.lift(ct).unwrap()) + } rustc_middle::mir::Const::Unevaluated(uneval, ty) => { rustc_middle::mir::Const::Unevaluated( tcx.lift(uneval).unwrap(), diff --git a/compiler/rustc_smir/src/rustc_smir/context.rs b/compiler/rustc_smir/src/rustc_smir/context.rs index 9822ed79e2bd..8b09c5aef2f9 100644 --- a/compiler/rustc_smir/src/rustc_smir/context.rs +++ b/compiler/rustc_smir/src/rustc_smir/context.rs @@ -398,7 +398,8 @@ impl<'tcx> Context for TablesWrapper<'tcx> { ))); } - Ok(mir::Const::Ty(ty::Const::zero_sized(tables.tcx, ty_internal)).stable(&mut *tables)) + Ok(mir::Const::Ty(ty_internal, ty::Const::zero_sized(tables.tcx, ty_internal)) + .stable(&mut *tables)) } fn new_const_str(&self, value: &str) -> MirConst { diff --git a/compiler/rustc_smir/src/rustc_smir/convert/mir.rs b/compiler/rustc_smir/src/rustc_smir/convert/mir.rs index 1c87293209c6..bcacf54baf36 100644 --- a/compiler/rustc_smir/src/rustc_smir/convert/mir.rs +++ b/compiler/rustc_smir/src/rustc_smir/convert/mir.rs @@ -729,9 +729,9 @@ impl<'tcx> Stable<'tcx> for rustc_middle::mir::Const<'tcx> { fn stable(&self, tables: &mut Tables<'_>) -> Self::T { let id = tables.intern_mir_const(tables.tcx.lift(*self).unwrap()); match *self { - mir::Const::Ty(c) => MirConst::new( + mir::Const::Ty(ty, c) => MirConst::new( stable_mir::ty::ConstantKind::Ty(c.stable(tables)), - c.ty().stable(tables), + ty.stable(tables), id, ), mir::Const::Unevaluated(unev_const, ty) => { diff --git a/compiler/rustc_smir/src/rustc_smir/convert/ty.rs b/compiler/rustc_smir/src/rustc_smir/convert/ty.rs index f26439d42767..73bc87dc9abf 100644 --- a/compiler/rustc_smir/src/rustc_smir/convert/ty.rs +++ b/compiler/rustc_smir/src/rustc_smir/convert/ty.rs @@ -447,7 +447,7 @@ pub fn mir_const_from_ty_const<'tcx>( ty::ExprCt(_) => unimplemented!(), }; let stable_ty = tables.intern_ty(ty); - let id = tables.intern_mir_const(mir::Const::Ty(ty_const)); + let id = tables.intern_mir_const(mir::Const::Ty(ty, ty_const)); stable_mir::ty::MirConst::new(kind, stable_ty, id) } From 432c11feb6ddfffe6d1d111624ac86386b2fe751 Mon Sep 17 00:00:00 2001 From: Boxy Date: Tue, 4 Jun 2024 07:01:40 +0100 Subject: [PATCH 1049/1716] Remove `Type` from rustdoc `Const` --- src/librustdoc/clean/inline.rs | 28 ++++++++-------- src/librustdoc/clean/mod.rs | 32 ++++++------------- src/librustdoc/clean/types.rs | 8 ++--- src/librustdoc/clean/utils.rs | 4 +-- src/librustdoc/fold.rs | 2 +- src/librustdoc/html/render/print_item.rs | 17 +++++++--- src/librustdoc/json/conversions.rs | 7 ++-- src/librustdoc/json/mod.rs | 2 +- .../passes/check_doc_test_visibility.rs | 2 +- src/librustdoc/visit.rs | 2 +- src/rustdoc-json-types/lib.rs | 11 ++++--- src/tools/jsondoclint/src/item_kind.rs | 2 +- src/tools/jsondoclint/src/validator.rs | 9 ++++-- 13 files changed, 64 insertions(+), 62 deletions(-) diff --git a/src/librustdoc/clean/inline.rs b/src/librustdoc/clean/inline.rs index c7366ce1a68c..0024e246ef00 100644 --- a/src/librustdoc/clean/inline.rs +++ b/src/librustdoc/clean/inline.rs @@ -130,7 +130,10 @@ pub(crate) fn try_inline( } Res::Def(DefKind::Const, did) => { record_extern_fqn(cx, did, ItemType::Constant); - cx.with_param_env(did, |cx| clean::ConstantItem(build_const(cx, did))) + cx.with_param_env(did, |cx| { + let (generics, ty, ct) = build_const_item(cx, did); + clean::ConstantItem(generics, Box::new(ty), ct) + }) } Res::Def(DefKind::Macro(kind), did) => { let is_doc_hidden = cx.tcx.is_doc_hidden(did) @@ -717,21 +720,20 @@ pub(crate) fn print_inlined_const(tcx: TyCtxt<'_>, did: DefId) -> String { } } -fn build_const(cx: &mut DocContext<'_>, def_id: DefId) -> clean::Constant { +fn build_const_item( + cx: &mut DocContext<'_>, + def_id: DefId, +) -> (clean::Generics, clean::Type, clean::Constant) { let mut generics = clean_ty_generics(cx, cx.tcx.generics_of(def_id), cx.tcx.explicit_predicates_of(def_id)); clean::simplify::move_bounds_to_generic_parameters(&mut generics); - - clean::Constant { - type_: Box::new(clean_middle_ty( - ty::Binder::dummy(cx.tcx.type_of(def_id).instantiate_identity()), - cx, - Some(def_id), - None, - )), - generics, - kind: clean::ConstantKind::Extern { def_id }, - } + let ty = clean_middle_ty( + ty::Binder::dummy(cx.tcx.type_of(def_id).instantiate_identity()), + cx, + None, + None, + ); + (generics, ty, clean::Constant { kind: clean::ConstantKind::Extern { def_id } }) } fn build_static(cx: &mut DocContext<'_>, did: DefId, mutable: bool) -> clean::Static { diff --git a/src/librustdoc/clean/mod.rs b/src/librustdoc/clean/mod.rs index 839bfdf44af1..d4e28927728f 100644 --- a/src/librustdoc/clean/mod.rs +++ b/src/librustdoc/clean/mod.rs @@ -283,31 +283,17 @@ fn clean_lifetime<'tcx>(lifetime: &hir::Lifetime, cx: &mut DocContext<'tcx>) -> pub(crate) fn clean_const<'tcx>( constant: &hir::ConstArg<'_>, - cx: &mut DocContext<'tcx>, + _cx: &mut DocContext<'tcx>, ) -> Constant { - let def_id = cx.tcx.hir().body_owner_def_id(constant.value.body).to_def_id(); - Constant { - type_: Box::new(clean_middle_ty( - ty::Binder::dummy(cx.tcx.type_of(def_id).instantiate_identity()), - cx, - Some(def_id), - None, - )), - generics: Generics::default(), - kind: ConstantKind::Anonymous { body: constant.value.body }, - } + Constant { kind: ConstantKind::Anonymous { body: constant.value.body } } } pub(crate) fn clean_middle_const<'tcx>( constant: ty::Binder<'tcx, ty::Const<'tcx>>, - cx: &mut DocContext<'tcx>, + _cx: &mut DocContext<'tcx>, ) -> Constant { // FIXME: instead of storing the stringified expression, store `self` directly instead. - Constant { - type_: Box::new(clean_middle_ty(constant.map_bound(|c| c.ty()), cx, None, None)), - generics: Generics::default(), - kind: ConstantKind::TyConst { expr: constant.skip_binder().to_string().into() }, - } + Constant { kind: ConstantKind::TyConst { expr: constant.skip_binder().to_string().into() } } } pub(crate) fn clean_middle_region<'tcx>(region: ty::Region<'tcx>) -> Option { @@ -2738,11 +2724,11 @@ fn clean_maybe_renamed_item<'tcx>( ItemKind::Static(ty, mutability, body_id) => { StaticItem(Static { type_: clean_ty(ty, cx), mutability, expr: Some(body_id) }) } - ItemKind::Const(ty, generics, body_id) => ConstantItem(Constant { - type_: Box::new(clean_ty(ty, cx)), - generics: clean_generics(generics, cx), - kind: ConstantKind::Local { body: body_id, def_id }, - }), + ItemKind::Const(ty, generics, body_id) => ConstantItem( + clean_generics(generics, cx), + Box::new(clean_ty(ty, cx)), + Constant { kind: ConstantKind::Local { body: body_id, def_id } }, + ), ItemKind::OpaqueTy(ref ty) => OpaqueTyItem(OpaqueTy { bounds: ty.bounds.iter().filter_map(|x| clean_generic_bound(x, cx)).collect(), generics: clean_generics(ty.generics, cx), diff --git a/src/librustdoc/clean/types.rs b/src/librustdoc/clean/types.rs index b387809cc717..28d3d5644432 100644 --- a/src/librustdoc/clean/types.rs +++ b/src/librustdoc/clean/types.rs @@ -830,7 +830,6 @@ pub(crate) enum ItemKind { TypeAliasItem(Box), OpaqueTyItem(OpaqueTy), StaticItem(Static), - ConstantItem(Constant), TraitItem(Box), TraitAliasItem(TraitAlias), ImplItem(Box), @@ -853,6 +852,7 @@ pub(crate) enum ItemKind { PrimitiveItem(PrimitiveType), /// A required associated constant in a trait declaration. TyAssocConstItem(Generics, Box), + ConstantItem(Generics, Box, Constant), /// An associated constant in a trait impl or a provided one in a trait declaration. AssocConstItem(Generics, Box, ConstantKind), /// A required associated type in a trait declaration. @@ -888,7 +888,7 @@ impl ItemKind { | TypeAliasItem(_) | OpaqueTyItem(_) | StaticItem(_) - | ConstantItem(_) + | ConstantItem(_, _, _) | TraitAliasItem(_) | TyMethodItem(_) | MethodItem(_, _) @@ -922,7 +922,7 @@ impl ItemKind { | TypeAliasItem(_) | OpaqueTyItem(_) | StaticItem(_) - | ConstantItem(_) + | ConstantItem(_, _, _) | TraitAliasItem(_) | ForeignFunctionItem(_) | ForeignStaticItem(_) @@ -2364,8 +2364,6 @@ pub(crate) struct Static { #[derive(Clone, PartialEq, Eq, Hash, Debug)] pub(crate) struct Constant { - pub(crate) type_: Box, - pub(crate) generics: Generics, pub(crate) kind: ConstantKind, } diff --git a/src/librustdoc/clean/utils.rs b/src/librustdoc/clean/utils.rs index 24a01414c70c..7fc3d4508d7d 100644 --- a/src/librustdoc/clean/utils.rs +++ b/src/librustdoc/clean/utils.rs @@ -353,8 +353,8 @@ pub(crate) fn print_const(cx: &DocContext<'_>, n: ty::Const<'_>) -> String { s } // array lengths are obviously usize - ty::ConstKind::Value(ty::ValTree::Leaf(scalar)) - if *n.ty().kind() == ty::Uint(ty::UintTy::Usize) => + ty::ConstKind::Value(ty, ty::ValTree::Leaf(scalar)) + if *ty.kind() == ty::Uint(ty::UintTy::Usize) => { scalar.to_string() } diff --git a/src/librustdoc/fold.rs b/src/librustdoc/fold.rs index cf11e2d7899e..c85b955d4c57 100644 --- a/src/librustdoc/fold.rs +++ b/src/librustdoc/fold.rs @@ -79,7 +79,7 @@ pub(crate) trait DocFolder: Sized { | FunctionItem(_) | OpaqueTyItem(_) | StaticItem(_) - | ConstantItem(_) + | ConstantItem(_, _, _) | TraitAliasItem(_) | TyMethodItem(_) | MethodItem(_, _) diff --git a/src/librustdoc/html/render/print_item.rs b/src/librustdoc/html/render/print_item.rs index c5b88c7a951f..e1f79254b248 100644 --- a/src/librustdoc/html/render/print_item.rs +++ b/src/librustdoc/html/render/print_item.rs @@ -266,7 +266,7 @@ pub(super) fn print_item(cx: &mut Context<'_>, item: &clean::Item, buf: &mut Buf clean::ProcMacroItem(ref m) => item_proc_macro(buf, cx, item, m), clean::PrimitiveItem(_) => item_primitive(buf, cx, item), clean::StaticItem(ref i) | clean::ForeignStaticItem(ref i) => item_static(buf, cx, item, i), - clean::ConstantItem(ref c) => item_constant(buf, cx, item, c), + clean::ConstantItem(generics, ty, c) => item_constant(buf, cx, item, generics, ty, c), clean::ForeignTypeItem => item_foreign_type(buf, cx, item), clean::KeywordItem => item_keyword(buf, cx, item), clean::OpaqueTyItem(ref e) => item_opaque_ty(buf, cx, item, e), @@ -1844,7 +1844,14 @@ fn item_primitive(w: &mut impl fmt::Write, cx: &mut Context<'_>, it: &clean::Ite } } -fn item_constant(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item, c: &clean::Constant) { +fn item_constant( + w: &mut Buffer, + cx: &mut Context<'_>, + it: &clean::Item, + generics: &clean::Generics, + ty: &clean::Type, + c: &clean::Constant, +) { wrap_item(w, |w| { let tcx = cx.tcx(); render_attributes_in_code(w, it, cx); @@ -1854,9 +1861,9 @@ fn item_constant(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item, c: &cle "{vis}const {name}{generics}: {typ}{where_clause}", vis = visibility_print_with_space(it, cx), name = it.name.unwrap(), - generics = c.generics.print(cx), - typ = c.type_.print(cx), - where_clause = print_where_clause(&c.generics, cx, 0, Ending::NoNewline), + generics = generics.print(cx), + typ = ty.print(cx), + where_clause = print_where_clause(&generics, cx, 0, Ending::NoNewline), ); // FIXME: The code below now prints diff --git a/src/librustdoc/json/conversions.rs b/src/librustdoc/json/conversions.rs index 7e6a19aa52e0..afafb4fbe4b0 100644 --- a/src/librustdoc/json/conversions.rs +++ b/src/librustdoc/json/conversions.rs @@ -183,7 +183,7 @@ impl FromWithTcx for Constant { let expr = constant.expr(tcx); let value = constant.value(tcx); let is_literal = constant.is_literal(tcx); - Constant { type_: (*constant.type_).into_tcx(tcx), expr, value, is_literal } + Constant { expr, value, is_literal } } } @@ -321,7 +321,10 @@ fn from_clean_item(item: clean::Item, tcx: TyCtxt<'_>) -> ItemEnum { ForeignTypeItem => ItemEnum::ForeignType, TypeAliasItem(t) => ItemEnum::TypeAlias(t.into_tcx(tcx)), OpaqueTyItem(t) => ItemEnum::OpaqueTy(t.into_tcx(tcx)), - ConstantItem(c) => ItemEnum::Constant(c.into_tcx(tcx)), + // FIXME(generic_const_items): Add support for generic free consts + ConstantItem(_generics, t, c) => { + ItemEnum::Constant { type_: (*t).into_tcx(tcx), const_: c.into_tcx(tcx) } + } MacroItem(m) => ItemEnum::Macro(m.source), ProcMacroItem(m) => ItemEnum::ProcMacro(m.into_tcx(tcx)), PrimitiveItem(p) => { diff --git a/src/librustdoc/json/mod.rs b/src/librustdoc/json/mod.rs index c1d90020e87e..0ef24818515c 100644 --- a/src/librustdoc/json/mod.rs +++ b/src/librustdoc/json/mod.rs @@ -186,7 +186,7 @@ impl<'tcx> FormatRenderer<'tcx> for JsonRenderer<'tcx> { | types::ItemEnum::Impl(_) | types::ItemEnum::TypeAlias(_) | types::ItemEnum::OpaqueTy(_) - | types::ItemEnum::Constant(_) + | types::ItemEnum::Constant { .. } | types::ItemEnum::Static(_) | types::ItemEnum::ForeignType | types::ItemEnum::Macro(_) diff --git a/src/librustdoc/passes/check_doc_test_visibility.rs b/src/librustdoc/passes/check_doc_test_visibility.rs index 02589a137b41..d53eac0bccb1 100644 --- a/src/librustdoc/passes/check_doc_test_visibility.rs +++ b/src/librustdoc/passes/check_doc_test_visibility.rs @@ -62,7 +62,7 @@ pub(crate) fn should_have_doc_example(cx: &DocContext<'_>, item: &clean::Item) - | clean::AssocTypeItem(..) | clean::TypeAliasItem(_) | clean::StaticItem(_) - | clean::ConstantItem(_) + | clean::ConstantItem(_, _, _) | clean::ExternCrateItem { .. } | clean::ImportItem(_) | clean::PrimitiveItem(_) diff --git a/src/librustdoc/visit.rs b/src/librustdoc/visit.rs index 01e6cb4b93bf..0660037e4d83 100644 --- a/src/librustdoc/visit.rs +++ b/src/librustdoc/visit.rs @@ -28,7 +28,7 @@ pub(crate) trait DocVisitor: Sized { | TypeAliasItem(_) | OpaqueTyItem(_) | StaticItem(_) - | ConstantItem(_) + | ConstantItem(_, _, _) | TraitAliasItem(_) | TyMethodItem(_) | MethodItem(_, _) diff --git a/src/rustdoc-json-types/lib.rs b/src/rustdoc-json-types/lib.rs index 1c5a6dcfb1f2..68030493e9cf 100644 --- a/src/rustdoc-json-types/lib.rs +++ b/src/rustdoc-json-types/lib.rs @@ -8,7 +8,7 @@ use serde::{Deserialize, Serialize}; use std::path::PathBuf; /// rustdoc format-version. -pub const FORMAT_VERSION: u32 = 29; +pub const FORMAT_VERSION: u32 = 30; /// A `Crate` is the root of the emitted JSON blob. It contains all type/documentation information /// about the language items in the local crate, as well as info about external items to allow @@ -167,8 +167,6 @@ pub enum GenericArg { #[derive(Clone, Debug, PartialEq, Eq, Hash, Serialize, Deserialize)] pub struct Constant { - #[serde(rename = "type")] - pub type_: Type, pub expr: String, pub value: Option, pub is_literal: bool, @@ -256,7 +254,12 @@ pub enum ItemEnum { TypeAlias(TypeAlias), OpaqueTy(OpaqueTy), - Constant(Constant), + Constant { + #[serde(rename = "type")] + type_: Type, + #[serde(rename = "const")] + const_: Constant, + }, Static(Static), diff --git a/src/tools/jsondoclint/src/item_kind.rs b/src/tools/jsondoclint/src/item_kind.rs index 9bd04e11cb39..525de03bbce3 100644 --- a/src/tools/jsondoclint/src/item_kind.rs +++ b/src/tools/jsondoclint/src/item_kind.rs @@ -150,7 +150,7 @@ impl Kind { ItemEnum::Impl(_) => Impl, ItemEnum::TypeAlias(_) => TypeAlias, ItemEnum::OpaqueTy(_) => OpaqueTy, - ItemEnum::Constant(_) => Constant, + ItemEnum::Constant { .. } => Constant, ItemEnum::Static(_) => Static, ItemEnum::Macro(_) => Macro, ItemEnum::ProcMacro(_) => ProcMacro, diff --git a/src/tools/jsondoclint/src/validator.rs b/src/tools/jsondoclint/src/validator.rs index 904c2b614f3f..5e35ce242fe4 100644 --- a/src/tools/jsondoclint/src/validator.rs +++ b/src/tools/jsondoclint/src/validator.rs @@ -101,7 +101,10 @@ impl<'a> Validator<'a> { ItemEnum::Impl(x) => self.check_impl(x, id), ItemEnum::TypeAlias(x) => self.check_type_alias(x), ItemEnum::OpaqueTy(x) => self.check_opaque_ty(x), - ItemEnum::Constant(x) => self.check_constant(x), + ItemEnum::Constant { type_, const_ } => { + self.check_type(type_); + self.check_constant(const_); + } ItemEnum::Static(x) => self.check_static(x), ItemEnum::ForeignType => {} // nop ItemEnum::Macro(x) => self.check_macro(x), @@ -231,8 +234,8 @@ impl<'a> Validator<'a> { self.check_generics(&x.generics); } - fn check_constant(&mut self, x: &'a Constant) { - self.check_type(&x.type_); + fn check_constant(&mut self, _x: &'a Constant) { + // nop } fn check_static(&mut self, x: &'a Static) { From a454da3b1c266e8121130de26864c99010436129 Mon Sep 17 00:00:00 2001 From: Boxy Date: Tue, 4 Jun 2024 07:01:58 +0100 Subject: [PATCH 1050/1716] Misc fixes to cranelift/clippy/miri --- compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs | 1 + src/tools/clippy/clippy_lints/src/large_const_arrays.rs | 2 +- src/tools/clippy/clippy_lints/src/large_stack_arrays.rs | 2 +- src/tools/clippy/clippy_lints/src/matches/overlapping_arms.rs | 4 ++-- src/tools/clippy/clippy_lints/src/zero_repeat_side_effects.rs | 2 +- src/tools/clippy/clippy_utils/src/lib.rs | 4 ++-- src/tools/miri/src/intrinsics/simd.rs | 1 + 7 files changed, 9 insertions(+), 7 deletions(-) diff --git a/compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs b/compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs index b17f191ce267..65eeaf156d84 100644 --- a/compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs +++ b/compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs @@ -133,6 +133,7 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>( .expect_const() .eval(fx.tcx, ty::ParamEnv::reveal_all(), span) .unwrap() + .1 .unwrap_branch(); assert_eq!(x.layout(), y.layout()); diff --git a/src/tools/clippy/clippy_lints/src/large_const_arrays.rs b/src/tools/clippy/clippy_lints/src/large_const_arrays.rs index b561054b5824..77d05020c828 100644 --- a/src/tools/clippy/clippy_lints/src/large_const_arrays.rs +++ b/src/tools/clippy/clippy_lints/src/large_const_arrays.rs @@ -54,7 +54,7 @@ impl<'tcx> LateLintPass<'tcx> for LargeConstArrays { && generics.params.is_empty() && !generics.has_where_clause_predicates && let ty = cx.tcx.type_of(item.owner_id).instantiate_identity() && let ty::Array(element_type, cst) = ty.kind() - && let ConstKind::Value(ty::ValTree::Leaf(element_count)) = cst.kind() + && let ConstKind::Value(_, ty::ValTree::Leaf(element_count)) = cst.kind() && let Ok(element_count) = element_count.try_to_target_usize(cx.tcx) && let Ok(element_size) = cx.layout_of(*element_type).map(|l| l.size.bytes()) && self.maximum_allowed_size < u128::from(element_count) * u128::from(element_size) diff --git a/src/tools/clippy/clippy_lints/src/large_stack_arrays.rs b/src/tools/clippy/clippy_lints/src/large_stack_arrays.rs index 208d1bb6e68a..f0f3f53647b9 100644 --- a/src/tools/clippy/clippy_lints/src/large_stack_arrays.rs +++ b/src/tools/clippy/clippy_lints/src/large_stack_arrays.rs @@ -64,7 +64,7 @@ impl<'tcx> LateLintPass<'tcx> for LargeStackArrays { if let ExprKind::Repeat(_, _) | ExprKind::Array(_) = expr.kind && !self.is_from_vec_macro(cx, expr.span) && let ty::Array(element_type, cst) = cx.typeck_results().expr_ty(expr).kind() - && let ConstKind::Value(ty::ValTree::Leaf(element_count)) = cst.kind() + && let ConstKind::Value(_, ty::ValTree::Leaf(element_count)) = cst.kind() && let Ok(element_count) = element_count.try_to_target_usize(cx.tcx) && let Ok(element_size) = cx.layout_of(*element_type).map(|l| l.size.bytes()) && !cx.tcx.hir().parent_iter(expr.hir_id).any(|(_, node)| { diff --git a/src/tools/clippy/clippy_lints/src/matches/overlapping_arms.rs b/src/tools/clippy/clippy_lints/src/matches/overlapping_arms.rs index 8199366d175f..45b375dbe3d7 100644 --- a/src/tools/clippy/clippy_lints/src/matches/overlapping_arms.rs +++ b/src/tools/clippy/clippy_lints/src/matches/overlapping_arms.rs @@ -37,14 +37,14 @@ fn all_ranges<'tcx>(cx: &LateContext<'tcx>, arms: &'tcx [Arm<'_>], ty: Ty<'tcx>) Some(lhs) => constant(cx, cx.typeck_results(), lhs)?, None => { let min_val_const = ty.numeric_min_val(cx.tcx)?; - mir_to_const(cx, mir::Const::from_ty_const(min_val_const, cx.tcx))? + mir_to_const(cx, mir::Const::from_ty_const(min_val_const, ty, cx.tcx))? }, }; let rhs_const = match rhs { Some(rhs) => constant(cx, cx.typeck_results(), rhs)?, None => { let max_val_const = ty.numeric_max_val(cx.tcx)?; - mir_to_const(cx, mir::Const::from_ty_const(max_val_const, cx.tcx))? + mir_to_const(cx, mir::Const::from_ty_const(max_val_const, ty, cx.tcx))? }, }; let lhs_val = lhs_const.int_value(cx, ty)?; diff --git a/src/tools/clippy/clippy_lints/src/zero_repeat_side_effects.rs b/src/tools/clippy/clippy_lints/src/zero_repeat_side_effects.rs index 143fecdd237d..848b49130dc2 100644 --- a/src/tools/clippy/clippy_lints/src/zero_repeat_side_effects.rs +++ b/src/tools/clippy/clippy_lints/src/zero_repeat_side_effects.rs @@ -55,7 +55,7 @@ impl LateLintPass<'_> for ZeroRepeatSideEffects { inner_check(cx, expr, inner_expr, true); } else if let ExprKind::Repeat(inner_expr, _) = expr.kind && let ty::Array(_, cst) = cx.typeck_results().expr_ty(expr).kind() - && let ConstKind::Value(ty::ValTree::Leaf(element_count)) = cst.kind() + && let ConstKind::Value(_, ty::ValTree::Leaf(element_count)) = cst.kind() && let Ok(element_count) = element_count.try_to_target_usize(cx.tcx) && element_count == 0 { diff --git a/src/tools/clippy/clippy_utils/src/lib.rs b/src/tools/clippy/clippy_utils/src/lib.rs index b10830b24e1f..1147dce6215f 100644 --- a/src/tools/clippy/clippy_utils/src/lib.rs +++ b/src/tools/clippy/clippy_utils/src/lib.rs @@ -1534,7 +1534,7 @@ pub fn is_range_full(cx: &LateContext<'_>, expr: &Expr<'_>, container_path: Opti if let rustc_ty::Adt(_, subst) = ty.kind() && let bnd_ty = subst.type_at(0) && let Some(min_val) = bnd_ty.numeric_min_val(cx.tcx) - && let Some(min_const) = mir_to_const(cx, Const::from_ty_const(min_val, cx.tcx)) + && let Some(min_const) = mir_to_const(cx, Const::from_ty_const(min_val, bnd_ty, cx.tcx)) && let Some(start_const) = constant(cx, cx.typeck_results(), start) { start_const == min_const @@ -1547,7 +1547,7 @@ pub fn is_range_full(cx: &LateContext<'_>, expr: &Expr<'_>, container_path: Opti if let rustc_ty::Adt(_, subst) = ty.kind() && let bnd_ty = subst.type_at(0) && let Some(max_val) = bnd_ty.numeric_max_val(cx.tcx) - && let Some(max_const) = mir_to_const(cx, Const::from_ty_const(max_val, cx.tcx)) + && let Some(max_const) = mir_to_const(cx, Const::from_ty_const(max_val, bnd_ty, cx.tcx)) && let Some(end_const) = constant(cx, cx.typeck_results(), end) { end_const == max_const diff --git a/src/tools/miri/src/intrinsics/simd.rs b/src/tools/miri/src/intrinsics/simd.rs index ed0c30e2a11a..8ba4964ff896 100644 --- a/src/tools/miri/src/intrinsics/simd.rs +++ b/src/tools/miri/src/intrinsics/simd.rs @@ -590,6 +590,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { .expect_const() .eval(*this.tcx, this.param_env(), this.tcx.span) .unwrap() + .1 .unwrap_branch(); let index_len = index.len(); From 56092a345b8f056c86d0878d45b5b07be64a8cf2 Mon Sep 17 00:00:00 2001 From: Boxy Date: Mon, 3 Jun 2024 03:38:09 +0100 Subject: [PATCH 1051/1716] Misc fixes (pattern type lowering, cfi, pretty printing) --- .../src/hir_ty_lowering/mod.rs | 17 +++++----- .../src/hir_ty_lowering/object_safety.rs | 6 ++-- compiler/rustc_middle/src/ty/print/pretty.rs | 19 +---------- .../src/cfi/typeid/itanium_cxx_abi/encode.rs | 34 +++++++++++++------ 4 files changed, 36 insertions(+), 40 deletions(-) diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs index 0dee904c5a2d..7ec64f1feda2 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs @@ -2160,17 +2160,18 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { } _ => (expr, None), }; - let c = match &expr.kind { + let (c, c_ty) = match &expr.kind { hir::ExprKind::Lit(lit) => { let lit_input = LitToConstInput { lit: &lit.node, ty, neg: neg.is_some() }; - match tcx.lit_to_const(lit_input) { + let ct = match tcx.lit_to_const(lit_input) { Ok(c) => c, Err(LitToConstError::Reported(err)) => { ty::Const::new_error(tcx, err) } Err(LitToConstError::TypeError) => todo!(), - } + }; + (ct, ty) } hir::ExprKind::Path(hir::QPath::Resolved( @@ -2188,20 +2189,20 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { .type_of(def_id) .no_bound_vars() .expect("const parameter types cannot be generic"); - self.lower_const_param(expr.hir_id) + let ct = self.lower_const_param(expr.hir_id); + (ct, ty) } _ => { let err = tcx .dcx() .emit_err(crate::errors::NonConstRange { span: expr.span }); - ty::Const::new_error(tcx, err) + (ty::Const::new_error(tcx, err), Ty::new_error(tcx, err)) } }; - // THISPR - self.record_ty(expr.hir_id, todo!(), expr.span); + self.record_ty(expr.hir_id, c_ty, expr.span); if let Some((id, span)) = neg { - self.record_ty(id, todo!(), span); + self.record_ty(id, c_ty, span); } c }; diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/object_safety.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/object_safety.rs index ed1749ea14f0..34924f09d09e 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/object_safety.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/object_safety.rs @@ -143,10 +143,8 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { // `trait_object_dummy_self`, so check for that. let references_self = match pred.skip_binder().term.unpack() { ty::TermKind::Ty(ty) => ty.walk().any(|arg| arg == dummy_self.into()), - ty::TermKind::Const(c) => { - // THISPR - false - } + // FIXME(associated_const_equality): We should walk the const instead of not doing anything + ty::TermKind::Const(_) => false, }; // If the projection output contains `Self`, force the user to diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs index ef391be889cf..3cfebaa6b57e 100644 --- a/compiler/rustc_middle/src/ty/print/pretty.rs +++ b/compiler/rustc_middle/src/ty/print/pretty.rs @@ -1459,23 +1459,6 @@ pub trait PrettyPrinter<'tcx>: Printer<'tcx> + fmt::Write { return Ok(()); } - macro_rules! print_underscore { - () => {{ - if print_ty { - self.typed_value( - |this| { - write!(this, "_")?; - Ok(()) - }, - |this| this.print_type(todo!()), - ": ", - )?; - } else { - write!(self, "_")?; - } - }}; - } - match ct.kind() { ty::ConstKind::Unevaluated(ty::UnevaluatedConst { def, args }) => { match self.tcx().def_kind(def) { @@ -1508,7 +1491,7 @@ pub trait PrettyPrinter<'tcx>: Printer<'tcx> + fmt::Write { ty::InferConst::Var(ct_vid) if let Some(name) = self.const_infer_name(ct_vid) => { p!(write("{}", name)) } - _ => print_underscore!(), + _ => write!(self, "_")?, }, ty::ConstKind::Param(ParamConst { name, .. }) => p!(write("{}", name)), ty::ConstKind::Value(ty, value) => { diff --git a/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/encode.rs b/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/encode.rs index bd8e52229fa7..0be8b5d57187 100644 --- a/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/encode.rs +++ b/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/encode.rs @@ -68,6 +68,8 @@ fn compress<'tcx>( fn encode_args<'tcx>( tcx: TyCtxt<'tcx>, args: GenericArgsRef<'tcx>, + for_def: DefId, + has_erased_self: bool, dict: &mut FxHashMap, usize>, options: EncodeTyOptions, ) -> String { @@ -76,7 +78,8 @@ fn encode_args<'tcx>( let args: Vec> = args.iter().collect(); if !args.is_empty() { s.push('I'); - for arg in args { + let def_generics = tcx.generics_of(for_def); + for (n, arg) in args.iter().enumerate() { match arg.unpack() { GenericArgKind::Lifetime(region) => { s.push_str(&encode_region(region, dict)); @@ -85,7 +88,10 @@ fn encode_args<'tcx>( s.push_str(&encode_ty(tcx, ty, dict, options)); } GenericArgKind::Const(c) => { - s.push_str(&encode_const(tcx, c, dict, options)); + let n = n + (has_erased_self as usize); + let ct_ty = + tcx.type_of(def_generics.param_at(n, tcx).def_id).instantiate_identity(); + s.push_str(&encode_const(tcx, c, ct_ty, dict, options)); } } } @@ -99,6 +105,7 @@ fn encode_args<'tcx>( fn encode_const<'tcx>( tcx: TyCtxt<'tcx>, c: Const<'tcx>, + ct_ty: Ty<'tcx>, dict: &mut FxHashMap, usize>, options: EncodeTyOptions, ) -> String { @@ -111,8 +118,7 @@ fn encode_const<'tcx>( // LE as literal argument // Element type - // THISPR - s.push_str(&encode_ty(tcx, todo!(), dict, options)); + s.push_str(&encode_ty(tcx, ct_ty, dict, options)); } // Literal arguments @@ -232,15 +238,21 @@ fn encode_predicate<'tcx>( ty::ExistentialPredicate::Trait(trait_ref) => { let name = encode_ty_name(tcx, trait_ref.def_id); let _ = write!(s, "u{}{}", name.len(), &name); - s.push_str(&encode_args(tcx, trait_ref.args, dict, options)); + s.push_str(&encode_args(tcx, trait_ref.args, trait_ref.def_id, true, dict, options)); } ty::ExistentialPredicate::Projection(projection) => { let name = encode_ty_name(tcx, projection.def_id); let _ = write!(s, "u{}{}", name.len(), &name); - s.push_str(&encode_args(tcx, projection.args, dict, options)); + s.push_str(&encode_args(tcx, projection.args, projection.def_id, true, dict, options)); match projection.term.unpack() { TermKind::Ty(ty) => s.push_str(&encode_ty(tcx, ty, dict, options)), - TermKind::Const(c) => s.push_str(&encode_const(tcx, c, dict, options)), + TermKind::Const(c) => s.push_str(&encode_const( + tcx, + c, + tcx.type_of(projection.def_id).instantiate(tcx, projection.args), + dict, + options, + )), } } ty::ExistentialPredicate::AutoTrait(def_id) => { @@ -486,7 +498,7 @@ pub fn encode_ty<'tcx>( // , as vendor extended type. let name = encode_ty_name(tcx, def_id); let _ = write!(s, "u{}{}", name.len(), &name); - s.push_str(&encode_args(tcx, args, dict, options)); + s.push_str(&encode_args(tcx, args, def_id, false, dict, options)); compress(dict, DictKey::Ty(ty, TyQ::None), &mut s); } typeid.push_str(&s); @@ -530,7 +542,7 @@ pub fn encode_ty<'tcx>( let mut s = String::new(); let name = encode_ty_name(tcx, *def_id); let _ = write!(s, "u{}{}", name.len(), &name); - s.push_str(&encode_args(tcx, args, dict, options)); + s.push_str(&encode_args(tcx, args, *def_id, false, dict, options)); compress(dict, DictKey::Ty(ty, TyQ::None), &mut s); typeid.push_str(&s); } @@ -542,7 +554,7 @@ pub fn encode_ty<'tcx>( let name = encode_ty_name(tcx, *def_id); let _ = write!(s, "u{}{}", name.len(), &name); let parent_args = tcx.mk_args(args.as_coroutine_closure().parent_args()); - s.push_str(&encode_args(tcx, parent_args, dict, options)); + s.push_str(&encode_args(tcx, parent_args, *def_id, false, dict, options)); compress(dict, DictKey::Ty(ty, TyQ::None), &mut s); typeid.push_str(&s); } @@ -557,6 +569,8 @@ pub fn encode_ty<'tcx>( s.push_str(&encode_args( tcx, tcx.mk_args(args.as_coroutine().parent_args()), + *def_id, + false, dict, options, )); From 7fa98d0c01050ee8c39bfc644d1414f5a21a1f21 Mon Sep 17 00:00:00 2001 From: Boxy Date: Tue, 4 Jun 2024 18:50:14 +0100 Subject: [PATCH 1052/1716] ty::Expr reviews --- compiler/rustc_middle/src/ty/consts/kind.rs | 8 +++++--- compiler/rustc_middle/src/ty/relate.rs | 8 +++++--- compiler/rustc_ty_utils/src/consts.rs | 2 +- 3 files changed, 11 insertions(+), 7 deletions(-) diff --git a/compiler/rustc_middle/src/ty/consts/kind.rs b/compiler/rustc_middle/src/ty/consts/kind.rs index 5f29acf5ed27..bf834ef76074 100644 --- a/compiler/rustc_middle/src/ty/consts/kind.rs +++ b/compiler/rustc_middle/src/ty/consts/kind.rs @@ -104,10 +104,12 @@ impl<'tcx> Expr<'tcx> { tcx: TyCtxt<'tcx>, func_ty: Ty<'tcx>, func_expr: Const<'tcx>, - arguments: impl Iterator>, + arguments: impl IntoIterator>, ) -> Self { let args = tcx.mk_args_from_iter::<_, ty::GenericArg<'tcx>>( - [func_ty.into(), func_expr.into()].into_iter().chain(arguments.map(|ct| ct.into())), + [func_ty.into(), func_expr.into()] + .into_iter() + .chain(arguments.into_iter().map(|ct| ct.into())), ); Self { kind: ExprKind::FunctionCall, args } @@ -155,7 +157,7 @@ impl<'tcx> Expr<'tcx> { Self { kind, args } } - pub fn args(&self) -> ty::GenericArgsRef<'tcx> { + pub fn args(self) -> ty::GenericArgsRef<'tcx> { self.args } } diff --git a/compiler/rustc_middle/src/ty/relate.rs b/compiler/rustc_middle/src/ty/relate.rs index c0ed5fad2475..e24e64b23013 100644 --- a/compiler/rustc_middle/src/ty/relate.rs +++ b/compiler/rustc_middle/src/ty/relate.rs @@ -652,9 +652,11 @@ pub fn structurally_relate_consts<'tcx, R: TypeRelation<'tcx>>( // and is the better alternative to waiting until `generic_const_exprs` can // be stabilized. (ty::ConstKind::Unevaluated(au), ty::ConstKind::Unevaluated(bu)) if au.def == bu.def => { - let a_ty = tcx.type_of(au.def).instantiate(tcx, au.args); - let b_ty = tcx.type_of(bu.def).instantiate(tcx, bu.args); - assert_eq!(a_ty, b_ty); + if cfg!(debug_assertions) { + let a_ty = tcx.type_of(au.def).instantiate(tcx, au.args); + let b_ty = tcx.type_of(bu.def).instantiate(tcx, bu.args); + assert_eq!(a_ty, b_ty); + } let args = relation.relate_with_variance( ty::Variance::Invariant, diff --git a/compiler/rustc_ty_utils/src/consts.rs b/compiler/rustc_ty_utils/src/consts.rs index f5c66e48ea64..1aec40e95f69 100644 --- a/compiler/rustc_ty_utils/src/consts.rs +++ b/compiler/rustc_ty_utils/src/consts.rs @@ -149,7 +149,7 @@ fn recurse_build<'tcx>( for &id in args.iter() { new_args.push(recurse_build(tcx, body, id, root_span)?); } - ty::Const::new_expr(tcx, Expr::new_call(tcx, fun_ty, fun, new_args.into_iter())) + ty::Const::new_expr(tcx, Expr::new_call(tcx, fun_ty, fun, new_args)) } &ExprKind::Binary { op, lhs, rhs } if check_binop(op) => { let lhs_ty = body.exprs[lhs].ty; From f74119a2e4a5c040c054ebee1ae2ccda828fd21f Mon Sep 17 00:00:00 2001 From: Boxy Date: Tue, 4 Jun 2024 09:10:08 +0100 Subject: [PATCH 1053/1716] Bless tests and handle tests/crashes --- tests/crashes/122908.rs | 4 - tests/crashes/125556.rs | 14 --- tests/debuginfo/function-names.rs | 4 +- .../issue_99325.main.built.after.32bit.mir | 2 +- .../issue_99325.main.built.after.64bit.mir | 2 +- ..._non-universal_region_substs_ice-111911.rs | 3 +- ...-universal_region_substs_ice-111911.stderr | 16 --- ...ram-type-depends-on-type-param.full.stderr | 14 ++- ...aram-type-depends-on-type-param.min.stderr | 14 ++- .../const-param-type-depends-on-type-param.rs | 1 + .../generic_const_exprs/error_in_ty.rs | 21 ++++ .../generic_const_exprs/error_in_ty.stderr | 45 +++++++ .../generic_const_exprs/eval-privacy.rs | 5 +- .../generic_const_exprs/eval-privacy.stderr | 4 +- .../issues/issue-71381.full.stderr | 18 ++- .../issues/issue-71381.min.stderr | 20 +++- tests/ui/const-generics/issues/issue-71381.rs | 1 + .../const-generics/not_wf_param_in_rpitit.rs | 14 +++ .../not_wf_param_in_rpitit.stderr | 113 ++++++++++++++++++ tests/ui/const-generics/transmute-fail.stderr | 2 +- tests/ui/const-generics/type_not_in_scope.rs | 3 +- .../const-generics/type_not_in_scope.stderr | 14 ++- tests/ui/consts/issue-103790.rs | 2 +- tests/ui/consts/issue-103790.stderr | 33 ++--- tests/ui/privacy/where-priv-type.rs | 45 +++---- tests/ui/privacy/where-priv-type.stderr | 26 ++-- .../effects/spec-effectvar-ice.rs | 6 +- .../effects/spec-effectvar-ice.stderr | 32 ++--- .../const_generic_type.infer.stderr | 2 +- .../const_generic_type.no_infer.stderr | 13 +- .../const_generic_type.rs | 4 +- ...ce-hir-wf-check-anon-const-issue-122199.rs | 27 ++--- ...ir-wf-check-anon-const-issue-122199.stderr | 44 +++---- ...ce-hir-wf-check-anon-const-issue-122989.rs | 16 +-- ...ir-wf-check-anon-const-issue-122989.stderr | 93 ++------------ 35 files changed, 389 insertions(+), 288 deletions(-) delete mode 100644 tests/crashes/122908.rs delete mode 100644 tests/crashes/125556.rs delete mode 100644 tests/ui/const-generics/adt_const_params/opaque_type_with_non-universal_region_substs_ice-111911.stderr create mode 100644 tests/ui/const-generics/generic_const_exprs/error_in_ty.rs create mode 100644 tests/ui/const-generics/generic_const_exprs/error_in_ty.stderr create mode 100644 tests/ui/const-generics/not_wf_param_in_rpitit.rs create mode 100644 tests/ui/const-generics/not_wf_param_in_rpitit.stderr diff --git a/tests/crashes/122908.rs b/tests/crashes/122908.rs deleted file mode 100644 index c9da1bc18791..000000000000 --- a/tests/crashes/122908.rs +++ /dev/null @@ -1,4 +0,0 @@ -//@ known-bug: #122908 -trait Trait { - async fn handle(slf: &F) {} -} diff --git a/tests/crashes/125556.rs b/tests/crashes/125556.rs deleted file mode 100644 index f2e2a991b11e..000000000000 --- a/tests/crashes/125556.rs +++ /dev/null @@ -1,14 +0,0 @@ -//@ known-bug: rust-lang/rust#125556 -//@ compile-flags: -Znext-solver=coherence - -#![feature(generic_const_exprs)] - -pub struct A {} - -impl A<2> { - pub const fn B() {} -} - -impl A<2> { - pub const fn B() {} -} diff --git a/tests/debuginfo/function-names.rs b/tests/debuginfo/function-names.rs index 2b0c2593676b..96456d4c6b0b 100644 --- a/tests/debuginfo/function-names.rs +++ b/tests/debuginfo/function-names.rs @@ -37,7 +37,7 @@ // Const generic parameter // gdb-command:info functions -q function_names::const_generic_fn.* // gdb-check:[...]static fn function_names::const_generic_fn_bool(); -// gdb-check:[...]static fn function_names::const_generic_fn_non_int<{CONST#ad91263f6d2dd96e}>(); +// gdb-check:[...]static fn function_names::const_generic_fn_non_int<{CONST#[...]}>(); // gdb-check:[...]static fn function_names::const_generic_fn_signed_int<-7>(); // gdb-check:[...]static fn function_names::const_generic_fn_unsigned_int<14>(); @@ -76,7 +76,7 @@ // Const generic parameter // cdb-command:x a!function_names::const_generic_fn* // cdb-check:[...] a!function_names::const_generic_fn_bool (void) -// cdb-check:[...] a!function_names::const_generic_fn_non_int (void) +// cdb-check:[...] a!function_names::const_generic_fn_non_int (void) // cdb-check:[...] a!function_names::const_generic_fn_unsigned_int<14> (void) // cdb-check:[...] a!function_names::const_generic_fn_signed_int<-7> (void) diff --git a/tests/mir-opt/issue_99325.main.built.after.32bit.mir b/tests/mir-opt/issue_99325.main.built.after.32bit.mir index 0b0bac73e9f4..b7a054b5d540 100644 --- a/tests/mir-opt/issue_99325.main.built.after.32bit.mir +++ b/tests/mir-opt/issue_99325.main.built.after.32bit.mir @@ -2,7 +2,7 @@ | User Type Annotations | 0: user_ty: Canonical { value: TypeOf(DefId(0:3 ~ issue_99325[d56d]::function_with_bytes), UserArgs { args: [&*b"AAAA"], user_self_ty: None }), max_universe: U0, variables: [], defining_opaque_types: [] }, span: $DIR/issue_99325.rs:13:16: 13:46, inferred_ty: fn() -> &'static [u8] {function_with_bytes::<&*b"AAAA">} -| 1: user_ty: Canonical { value: TypeOf(DefId(0:3 ~ issue_99325[d56d]::function_with_bytes), UserArgs { args: [UnevaluatedConst { def: DefId(0:8 ~ issue_99325[d56d]::main::{constant#1}), args: [] }: &'static [u8; 4_usize]], user_self_ty: None }), max_universe: U0, variables: [], defining_opaque_types: [] }, span: $DIR/issue_99325.rs:14:16: 14:68, inferred_ty: fn() -> &'static [u8] {function_with_bytes::<&*b"AAAA">} +| 1: user_ty: Canonical { value: TypeOf(DefId(0:3 ~ issue_99325[d56d]::function_with_bytes), UserArgs { args: [UnevaluatedConst { def: DefId(0:8 ~ issue_99325[d56d]::main::{constant#1}), args: [] }], user_self_ty: None }), max_universe: U0, variables: [], defining_opaque_types: [] }, span: $DIR/issue_99325.rs:14:16: 14:68, inferred_ty: fn() -> &'static [u8] {function_with_bytes::<&*b"AAAA">} | fn main() -> () { let mut _0: (); diff --git a/tests/mir-opt/issue_99325.main.built.after.64bit.mir b/tests/mir-opt/issue_99325.main.built.after.64bit.mir index 0b0bac73e9f4..b7a054b5d540 100644 --- a/tests/mir-opt/issue_99325.main.built.after.64bit.mir +++ b/tests/mir-opt/issue_99325.main.built.after.64bit.mir @@ -2,7 +2,7 @@ | User Type Annotations | 0: user_ty: Canonical { value: TypeOf(DefId(0:3 ~ issue_99325[d56d]::function_with_bytes), UserArgs { args: [&*b"AAAA"], user_self_ty: None }), max_universe: U0, variables: [], defining_opaque_types: [] }, span: $DIR/issue_99325.rs:13:16: 13:46, inferred_ty: fn() -> &'static [u8] {function_with_bytes::<&*b"AAAA">} -| 1: user_ty: Canonical { value: TypeOf(DefId(0:3 ~ issue_99325[d56d]::function_with_bytes), UserArgs { args: [UnevaluatedConst { def: DefId(0:8 ~ issue_99325[d56d]::main::{constant#1}), args: [] }: &'static [u8; 4_usize]], user_self_ty: None }), max_universe: U0, variables: [], defining_opaque_types: [] }, span: $DIR/issue_99325.rs:14:16: 14:68, inferred_ty: fn() -> &'static [u8] {function_with_bytes::<&*b"AAAA">} +| 1: user_ty: Canonical { value: TypeOf(DefId(0:3 ~ issue_99325[d56d]::function_with_bytes), UserArgs { args: [UnevaluatedConst { def: DefId(0:8 ~ issue_99325[d56d]::main::{constant#1}), args: [] }], user_self_ty: None }), max_universe: U0, variables: [], defining_opaque_types: [] }, span: $DIR/issue_99325.rs:14:16: 14:68, inferred_ty: fn() -> &'static [u8] {function_with_bytes::<&*b"AAAA">} | fn main() -> () { let mut _0: (); diff --git a/tests/ui/const-generics/adt_const_params/opaque_type_with_non-universal_region_substs_ice-111911.rs b/tests/ui/const-generics/adt_const_params/opaque_type_with_non-universal_region_substs_ice-111911.rs index 05bd0d91168a..c55f3dcec68c 100644 --- a/tests/ui/const-generics/adt_const_params/opaque_type_with_non-universal_region_substs_ice-111911.rs +++ b/tests/ui/const-generics/adt_const_params/opaque_type_with_non-universal_region_substs_ice-111911.rs @@ -1,4 +1,5 @@ //@ edition:2021 +//@ check-pass // issues rust-lang/rust#111911 // test for ICE opaque type with non-universal region substs @@ -6,8 +7,6 @@ #![allow(incomplete_features)] pub async fn foo() {} -//~^ ERROR const parameter `X` is part of concrete type but not used in parameter list for the `impl Trait` type alias -//~| ERROR const parameter `X` is part of concrete type but not used in parameter list for the `impl Trait` type alias fn bar() -> impl Sized {} pub fn main() {} diff --git a/tests/ui/const-generics/adt_const_params/opaque_type_with_non-universal_region_substs_ice-111911.stderr b/tests/ui/const-generics/adt_const_params/opaque_type_with_non-universal_region_substs_ice-111911.stderr deleted file mode 100644 index 1bdb9cd9501a..000000000000 --- a/tests/ui/const-generics/adt_const_params/opaque_type_with_non-universal_region_substs_ice-111911.stderr +++ /dev/null @@ -1,16 +0,0 @@ -error: const parameter `X` is part of concrete type but not used in parameter list for the `impl Trait` type alias - --> $DIR/opaque_type_with_non-universal_region_substs_ice-111911.rs:8:43 - | -LL | pub async fn foo() {} - | ^^ - -error: const parameter `X` is part of concrete type but not used in parameter list for the `impl Trait` type alias - --> $DIR/opaque_type_with_non-universal_region_substs_ice-111911.rs:8:43 - | -LL | pub async fn foo() {} - | ^^ - | - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` - -error: aborting due to 2 previous errors - diff --git a/tests/ui/const-generics/const-param-type-depends-on-type-param.full.stderr b/tests/ui/const-generics/const-param-type-depends-on-type-param.full.stderr index 2bfa604fc567..49cf42813235 100644 --- a/tests/ui/const-generics/const-param-type-depends-on-type-param.full.stderr +++ b/tests/ui/const-generics/const-param-type-depends-on-type-param.full.stderr @@ -6,6 +6,16 @@ LL | pub struct Dependent([(); X]); | = note: type parameters may not be used in the type of const parameters -error: aborting due to 1 previous error +error[E0392]: type parameter `T` is never used + --> $DIR/const-param-type-depends-on-type-param.rs:11:22 + | +LL | pub struct Dependent([(); X]); + | ^ unused type parameter + | + = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData` + = help: if you intended `T` to be a const parameter, use `const T: /* Type */` instead -For more information about this error, try `rustc --explain E0770`. +error: aborting due to 2 previous errors + +Some errors have detailed explanations: E0392, E0770. +For more information about an error, try `rustc --explain E0392`. diff --git a/tests/ui/const-generics/const-param-type-depends-on-type-param.min.stderr b/tests/ui/const-generics/const-param-type-depends-on-type-param.min.stderr index 2bfa604fc567..49cf42813235 100644 --- a/tests/ui/const-generics/const-param-type-depends-on-type-param.min.stderr +++ b/tests/ui/const-generics/const-param-type-depends-on-type-param.min.stderr @@ -6,6 +6,16 @@ LL | pub struct Dependent([(); X]); | = note: type parameters may not be used in the type of const parameters -error: aborting due to 1 previous error +error[E0392]: type parameter `T` is never used + --> $DIR/const-param-type-depends-on-type-param.rs:11:22 + | +LL | pub struct Dependent([(); X]); + | ^ unused type parameter + | + = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData` + = help: if you intended `T` to be a const parameter, use `const T: /* Type */` instead -For more information about this error, try `rustc --explain E0770`. +error: aborting due to 2 previous errors + +Some errors have detailed explanations: E0392, E0770. +For more information about an error, try `rustc --explain E0392`. diff --git a/tests/ui/const-generics/const-param-type-depends-on-type-param.rs b/tests/ui/const-generics/const-param-type-depends-on-type-param.rs index 1583fc4ee6c8..5503b08930b0 100644 --- a/tests/ui/const-generics/const-param-type-depends-on-type-param.rs +++ b/tests/ui/const-generics/const-param-type-depends-on-type-param.rs @@ -10,5 +10,6 @@ pub struct Dependent([(); X]); //~^ ERROR: the type of const parameters must not depend on other generic parameters +//~| ERROR: type parameter `T` is never used fn main() {} diff --git a/tests/ui/const-generics/generic_const_exprs/error_in_ty.rs b/tests/ui/const-generics/generic_const_exprs/error_in_ty.rs new file mode 100644 index 000000000000..29ad935c0149 --- /dev/null +++ b/tests/ui/const-generics/generic_const_exprs/error_in_ty.rs @@ -0,0 +1,21 @@ +//@ compile-flags: -Znext-solver=coherence + +#![feature(generic_const_exprs)] +#![allow(incomplete_features)] + +pub struct A {} +//~^ ERROR: cannot find value `x` in this scope +//~| ERROR: `[usize; x]` is forbidden as the type of a const generic parameter + +impl A<2> { + //~^ ERROR: mismatched types + pub const fn B() {} + //~^ ERROR: duplicate definitions +} + +impl A<2> { + //~^ ERROR: mismatched types + pub const fn B() {} +} + +fn main() {} diff --git a/tests/ui/const-generics/generic_const_exprs/error_in_ty.stderr b/tests/ui/const-generics/generic_const_exprs/error_in_ty.stderr new file mode 100644 index 000000000000..0e40255bcf59 --- /dev/null +++ b/tests/ui/const-generics/generic_const_exprs/error_in_ty.stderr @@ -0,0 +1,45 @@ +error[E0425]: cannot find value `x` in this scope + --> $DIR/error_in_ty.rs:6:31 + | +LL | pub struct A {} + | - ^ help: a const parameter with a similar name exists: `z` + | | + | similarly named const parameter `z` defined here + +error: `[usize; x]` is forbidden as the type of a const generic parameter + --> $DIR/error_in_ty.rs:6:23 + | +LL | pub struct A {} + | ^^^^^^^^^^ + | + = note: the only supported types are integers, `bool` and `char` +help: add `#![feature(adt_const_params)]` to the crate attributes to enable more complex and user defined types + | +LL + #![feature(adt_const_params)] + | + +error[E0308]: mismatched types + --> $DIR/error_in_ty.rs:10:8 + | +LL | impl A<2> { + | ^ expected `[usize; x]`, found integer + +error[E0308]: mismatched types + --> $DIR/error_in_ty.rs:16:8 + | +LL | impl A<2> { + | ^ expected `[usize; x]`, found integer + +error[E0592]: duplicate definitions with name `B` + --> $DIR/error_in_ty.rs:12:5 + | +LL | pub const fn B() {} + | ^^^^^^^^^^^^^^^^ duplicate definitions for `B` +... +LL | pub const fn B() {} + | ---------------- other definition for `B` + +error: aborting due to 5 previous errors + +Some errors have detailed explanations: E0308, E0425, E0592. +For more information about an error, try `rustc --explain E0308`. diff --git a/tests/ui/const-generics/generic_const_exprs/eval-privacy.rs b/tests/ui/const-generics/generic_const_exprs/eval-privacy.rs index af17a37bf23a..b662939c27eb 100644 --- a/tests/ui/const-generics/generic_const_exprs/eval-privacy.rs +++ b/tests/ui/const-generics/generic_const_exprs/eval-privacy.rs @@ -9,9 +9,10 @@ pub trait Trait { fn assoc_fn() -> Self::AssocTy; } -impl Trait for Const // OK, trait impl predicates +impl Trait for Const where - Const<{ my_const_fn(U) }>: , + // OK, trait impl predicates + Const<{ my_const_fn(U) }>:, { type AssocTy = Const<{ my_const_fn(U) }>; //~^ ERROR private type diff --git a/tests/ui/const-generics/generic_const_exprs/eval-privacy.stderr b/tests/ui/const-generics/generic_const_exprs/eval-privacy.stderr index df0d43bef876..98dac313be41 100644 --- a/tests/ui/const-generics/generic_const_exprs/eval-privacy.stderr +++ b/tests/ui/const-generics/generic_const_exprs/eval-privacy.stderr @@ -1,5 +1,5 @@ error[E0446]: private type `fn(u8) -> u8 {my_const_fn}` in public interface - --> $DIR/eval-privacy.rs:16:5 + --> $DIR/eval-privacy.rs:17:5 | LL | type AssocTy = Const<{ my_const_fn(U) }>; | ^^^^^^^^^^^^ can't leak private type @@ -8,7 +8,7 @@ LL | const fn my_const_fn(val: u8) -> u8 { | ----------------------------------- `fn(u8) -> u8 {my_const_fn}` declared as private error[E0446]: private type `fn(u8) -> u8 {my_const_fn}` in public interface - --> $DIR/eval-privacy.rs:16:5 + --> $DIR/eval-privacy.rs:17:5 | LL | type AssocTy = Const<{ my_const_fn(U) }>; | ^^^^^^^^^^^^ can't leak private type diff --git a/tests/ui/const-generics/issues/issue-71381.full.stderr b/tests/ui/const-generics/issues/issue-71381.full.stderr index b6460e0017fa..05e847cf4c84 100644 --- a/tests/ui/const-generics/issues/issue-71381.full.stderr +++ b/tests/ui/const-generics/issues/issue-71381.full.stderr @@ -7,13 +7,25 @@ LL | pub fn call_me $DIR/issue-71381.rs:23:40 + --> $DIR/issue-71381.rs:24:40 | LL | const FN: unsafe extern "C" fn(Args), | ^^^^ the type must not depend on the parameter `Args` | = note: type parameters may not be used in the type of const parameters -error: aborting due to 2 previous errors +error[E0594]: cannot assign to `self.0`, which is behind a `&` reference + --> $DIR/issue-71381.rs:17:9 + | +LL | self.0 = Self::trampiline:: as _ + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `self` is a `&` reference, so the data it refers to cannot be written + | +help: consider changing this to be a mutable reference + | +LL | pub fn call_me(&mut self) { + | ~~~~~~~~~ -For more information about this error, try `rustc --explain E0770`. +error: aborting due to 3 previous errors + +Some errors have detailed explanations: E0594, E0770. +For more information about an error, try `rustc --explain E0594`. diff --git a/tests/ui/const-generics/issues/issue-71381.min.stderr b/tests/ui/const-generics/issues/issue-71381.min.stderr index e16d3b7a8a46..1c30e885d1b7 100644 --- a/tests/ui/const-generics/issues/issue-71381.min.stderr +++ b/tests/ui/const-generics/issues/issue-71381.min.stderr @@ -7,7 +7,7 @@ LL | pub fn call_me $DIR/issue-71381.rs:23:40 + --> $DIR/issue-71381.rs:24:40 | LL | const FN: unsafe extern "C" fn(Args), | ^^^^ the type must not depend on the parameter `Args` @@ -23,13 +23,25 @@ LL | pub fn call_me $DIR/issue-71381.rs:23:19 + --> $DIR/issue-71381.rs:24:19 | LL | const FN: unsafe extern "C" fn(Args), | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: the only supported types are integers, `bool` and `char` -error: aborting due to 4 previous errors +error[E0594]: cannot assign to `self.0`, which is behind a `&` reference + --> $DIR/issue-71381.rs:17:9 + | +LL | self.0 = Self::trampiline:: as _ + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `self` is a `&` reference, so the data it refers to cannot be written + | +help: consider changing this to be a mutable reference + | +LL | pub fn call_me(&mut self) { + | ~~~~~~~~~ -For more information about this error, try `rustc --explain E0770`. +error: aborting due to 5 previous errors + +Some errors have detailed explanations: E0594, E0770. +For more information about an error, try `rustc --explain E0594`. diff --git a/tests/ui/const-generics/issues/issue-71381.rs b/tests/ui/const-generics/issues/issue-71381.rs index e472ef31fcdd..166b724a7a33 100644 --- a/tests/ui/const-generics/issues/issue-71381.rs +++ b/tests/ui/const-generics/issues/issue-71381.rs @@ -15,6 +15,7 @@ impl Test { //~^ ERROR: the type of const parameters must not depend on other generic parameters //[min]~^^ ERROR: using function pointers as const generic parameters is forbidden self.0 = Self::trampiline:: as _ + //~^ ERROR: cannot assign to `self.0` } unsafe extern "C" fn trampiline< diff --git a/tests/ui/const-generics/not_wf_param_in_rpitit.rs b/tests/ui/const-generics/not_wf_param_in_rpitit.rs new file mode 100644 index 000000000000..5471dc9022f9 --- /dev/null +++ b/tests/ui/const-generics/not_wf_param_in_rpitit.rs @@ -0,0 +1,14 @@ +//@ edition:2021 + +trait Trait { + //~^ ERROR: cannot find value `bar` in this scope + //~| ERROR: cycle detected when computing type of `Trait::N` + //~| ERROR: the trait `Trait` cannot be made into an object + //~| ERROR: the trait `Trait` cannot be made into an object + //~| ERROR: the trait `Trait` cannot be made into an object + //~| ERROR: `(dyn Trait<{const error}> + 'static)` is forbidden as the type of a const generic parameter + //~| ERROR: trait objects must include the `dyn` keyword + async fn a() {} +} + +fn main() {} diff --git a/tests/ui/const-generics/not_wf_param_in_rpitit.stderr b/tests/ui/const-generics/not_wf_param_in_rpitit.stderr new file mode 100644 index 000000000000..9095948d22b8 --- /dev/null +++ b/tests/ui/const-generics/not_wf_param_in_rpitit.stderr @@ -0,0 +1,113 @@ +error[E0425]: cannot find value `bar` in this scope + --> $DIR/not_wf_param_in_rpitit.rs:3:30 + | +LL | trait Trait { + | ^^^ not found in this scope + +error[E0391]: cycle detected when computing type of `Trait::N` + --> $DIR/not_wf_param_in_rpitit.rs:3:22 + | +LL | trait Trait { + | ^^^^^ + | + = note: ...which immediately requires computing type of `Trait::N` again +note: cycle used when computing explicit predicates of trait `Trait` + --> $DIR/not_wf_param_in_rpitit.rs:3:1 + | +LL | trait Trait { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information + +error[E0038]: the trait `Trait` cannot be made into an object + --> $DIR/not_wf_param_in_rpitit.rs:3:22 + | +LL | trait Trait { + | ^^^^^ `Trait` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit + --> $DIR/not_wf_param_in_rpitit.rs:11:14 + | +LL | trait Trait { + | ----- this trait cannot be made into an object... +... +LL | async fn a() {} + | ^ ...because associated function `a` has no `self` parameter +help: consider turning `a` into a method by giving it a `&self` argument + | +LL | async fn a(&self) {} + | +++++ +help: alternatively, consider constraining `a` so it does not apply to trait objects + | +LL | async fn a() where Self: Sized {} + | +++++++++++++++++ + +error[E0038]: the trait `Trait` cannot be made into an object + --> $DIR/not_wf_param_in_rpitit.rs:3:13 + | +LL | trait Trait { + | ^^^^^^^^^^^^^^^^^^^^ `Trait` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit + --> $DIR/not_wf_param_in_rpitit.rs:11:14 + | +LL | trait Trait { + | ----- this trait cannot be made into an object... +... +LL | async fn a() {} + | ^ ...because associated function `a` has no `self` parameter +help: consider turning `a` into a method by giving it a `&self` argument + | +LL | async fn a(&self) {} + | +++++ +help: alternatively, consider constraining `a` so it does not apply to trait objects + | +LL | async fn a() where Self: Sized {} + | +++++++++++++++++ + +error: `(dyn Trait<{const error}> + 'static)` is forbidden as the type of a const generic parameter + --> $DIR/not_wf_param_in_rpitit.rs:3:22 + | +LL | trait Trait { + | ^^^^^ + | + = note: the only supported types are integers, `bool` and `char` + +error[E0038]: the trait `Trait` cannot be made into an object + --> $DIR/not_wf_param_in_rpitit.rs:3:13 + | +LL | trait Trait { + | ^^^^^^^^^^^^^^^^^^^^ `Trait` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit + --> $DIR/not_wf_param_in_rpitit.rs:11:14 + | +LL | trait Trait { + | ----- this trait cannot be made into an object... +... +LL | async fn a() {} + | ^ ...because associated function `a` has no `self` parameter + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` +help: consider turning `a` into a method by giving it a `&self` argument + | +LL | async fn a(&self) {} + | +++++ +help: alternatively, consider constraining `a` so it does not apply to trait objects + | +LL | async fn a() where Self: Sized {} + | +++++++++++++++++ + +error[E0782]: trait objects must include the `dyn` keyword + --> $DIR/not_wf_param_in_rpitit.rs:3:22 + | +LL | trait Trait { + | ^^^^^ + | +help: add `dyn` keyword before this trait + | +LL | trait Trait { + | +++ + +error: aborting due to 7 previous errors + +Some errors have detailed explanations: E0038, E0391, E0425, E0782. +For more information about an error, try `rustc --explain E0038`. diff --git a/tests/ui/const-generics/transmute-fail.stderr b/tests/ui/const-generics/transmute-fail.stderr index 1b0d1ea50d08..b76ec10bd3f2 100644 --- a/tests/ui/const-generics/transmute-fail.stderr +++ b/tests/ui/const-generics/transmute-fail.stderr @@ -13,7 +13,7 @@ error[E0512]: cannot transmute between types of different sizes, or dependently- LL | std::mem::transmute(v) | ^^^^^^^^^^^^^^^^^^^ | - = note: source type: `[[u32; H]; W]` (this type does not have a fixed size) + = note: source type: `[[u32; H]; W]` (size can vary because of [u32; H]) = note: target type: `[[u32; W]; H]` (size can vary because of [u32; W]) error[E0512]: cannot transmute between types of different sizes, or dependently-sized types diff --git a/tests/ui/const-generics/type_not_in_scope.rs b/tests/ui/const-generics/type_not_in_scope.rs index 917abaed15e0..1eb265d74d1c 100644 --- a/tests/ui/const-generics/type_not_in_scope.rs +++ b/tests/ui/const-generics/type_not_in_scope.rs @@ -5,6 +5,7 @@ impl X { } } fn getn() -> [u8; N] {} -//~^ ERROR expected type, found built-in attribute `cfg_attr` +//~^ ERROR: expected type, found built-in attribute `cfg_attr` +//~| ERROR: mismatched types fn main() {} diff --git a/tests/ui/const-generics/type_not_in_scope.stderr b/tests/ui/const-generics/type_not_in_scope.stderr index 5eb81ca05224..5f45550a6279 100644 --- a/tests/ui/const-generics/type_not_in_scope.stderr +++ b/tests/ui/const-generics/type_not_in_scope.stderr @@ -10,7 +10,15 @@ error[E0573]: expected type, found built-in attribute `cfg_attr` LL | fn getn() -> [u8; N] {} | ^^^^^^^^ not a type -error: aborting due to 2 previous errors +error[E0308]: mismatched types + --> $DIR/type_not_in_scope.rs:7:33 + | +LL | fn getn() -> [u8; N] {} + | ---- ^^^^^^^ expected `[u8; N]`, found `()` + | | + | implicitly returns `()` as its body has no tail or `return` expression -Some errors have detailed explanations: E0412, E0573. -For more information about an error, try `rustc --explain E0412`. +error: aborting due to 3 previous errors + +Some errors have detailed explanations: E0308, E0412, E0573. +For more information about an error, try `rustc --explain E0308`. diff --git a/tests/ui/consts/issue-103790.rs b/tests/ui/consts/issue-103790.rs index 5d130821dc8e..d19115ede74b 100644 --- a/tests/ui/consts/issue-103790.rs +++ b/tests/ui/consts/issue-103790.rs @@ -5,7 +5,7 @@ struct S; //~^ ERROR the name `S` is already used for a generic parameter in this item's generic parameters //~| ERROR missing generics for struct `S` //~| ERROR cycle detected when computing type of `S::S` -//~| ERROR cycle detected when computing type of `S` //~| ERROR `()` is forbidden as the type of a const generic parameter +//~| ERROR `S<{const error}, {const error}>` is forbidden as the type of a const generic parameter fn main() {} diff --git a/tests/ui/consts/issue-103790.stderr b/tests/ui/consts/issue-103790.stderr index eecaf5ff63a3..c671f078cb5c 100644 --- a/tests/ui/consts/issue-103790.stderr +++ b/tests/ui/consts/issue-103790.stderr @@ -29,26 +29,7 @@ LL | struct S; | ^ | = note: ...which immediately requires computing type of `S::S` again -note: cycle used when computing type of `S` - --> $DIR/issue-103790.rs:4:1 - | -LL | struct S; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information - -error[E0391]: cycle detected when computing type of `S` - --> $DIR/issue-103790.rs:4:1 - | -LL | struct S; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | -note: ...which requires computing type of `S::S`... - --> $DIR/issue-103790.rs:4:32 - | -LL | struct S; - | ^ - = note: ...which again requires computing type of `S`, completing the cycle -note: cycle used when checking that `S` is well-formed +note: cycle used when computing explicit predicates of `S` --> $DIR/issue-103790.rs:4:1 | LL | struct S; @@ -67,6 +48,18 @@ help: add `#![feature(adt_const_params)]` to the crate attributes to enable more LL + #![feature(adt_const_params)] | +error: `S<{const error}, {const error}>` is forbidden as the type of a const generic parameter + --> $DIR/issue-103790.rs:4:32 + | +LL | struct S; + | ^ + | + = note: the only supported types are integers, `bool` and `char` +help: add `#![feature(adt_const_params)]` to the crate attributes to enable more complex and user defined types + | +LL + #![feature(adt_const_params)] + | + error: aborting due to 5 previous errors Some errors have detailed explanations: E0107, E0391, E0403. diff --git a/tests/ui/privacy/where-priv-type.rs b/tests/ui/privacy/where-priv-type.rs index a62feace2da2..20467301ae17 100644 --- a/tests/ui/privacy/where-priv-type.rs +++ b/tests/ui/privacy/where-priv-type.rs @@ -11,55 +11,46 @@ pub struct PubTy; pub struct PubTyGeneric(T); pub trait PubTr {} impl PubTr for PrivTy {} -pub trait PubTrWithAssocTy { type AssocTy; } -impl PubTrWithAssocTy for PrivTy { type AssocTy = PrivTy; } - +pub trait PubTrWithAssocTy { + type AssocTy; +} +impl PubTrWithAssocTy for PrivTy { + type AssocTy = PrivTy; +} pub struct S //~^ WARNING type `PrivTy` is more private than the item `S` where - PrivTy: -{} - + PrivTy:, {} pub enum E //~^ WARNING type `PrivTy` is more private than the item `E` where - PrivTy: -{} - + PrivTy:, {} pub fn f() //~^ WARNING type `PrivTy` is more private than the item `f` where - PrivTy: -{} - + PrivTy:, +{ +} impl S //~^ WARNING type `PrivTy` is more private than the item `S` where - PrivTy: + PrivTy:, { pub fn f() //~^ WARNING type `PrivTy` is more private than the item `S::f` where - PrivTy: - {} + PrivTy:, + { + } } +impl PubTr for PubTy where PrivTy: {} -impl PubTr for PubTy -where - PrivTy: -{} - - -impl PubTr for PubTyGeneric -where - T: PubTrWithAssocTy -{} - +impl PubTr for PubTyGeneric where T: PubTrWithAssocTy {} pub struct Const; @@ -70,7 +61,7 @@ pub trait Trait { impl Trait for Const where - Const<{ my_const_fn(U) }>: , + Const<{ my_const_fn(U) }>:, { type AssocTy = Const<{ my_const_fn(U) }>; //~^ ERROR private type diff --git a/tests/ui/privacy/where-priv-type.stderr b/tests/ui/privacy/where-priv-type.stderr index 8ea2e17c4361..08963e07c35a 100644 --- a/tests/ui/privacy/where-priv-type.stderr +++ b/tests/ui/privacy/where-priv-type.stderr @@ -1,5 +1,5 @@ warning: type `PrivTy` is more private than the item `S` - --> $DIR/where-priv-type.rs:18:1 + --> $DIR/where-priv-type.rs:21:1 | LL | pub struct S | ^^^^^^^^^^^^ struct `S` is reachable at visibility `pub` @@ -12,7 +12,7 @@ LL | struct PrivTy; = note: `#[warn(private_bounds)]` on by default warning: type `PrivTy` is more private than the item `E` - --> $DIR/where-priv-type.rs:25:1 + --> $DIR/where-priv-type.rs:26:1 | LL | pub enum E | ^^^^^^^^^^ enum `E` is reachable at visibility `pub` @@ -24,13 +24,13 @@ LL | struct PrivTy; | ^^^^^^^^^^^^^ warning: type `PrivTy` is more private than the item `f` - --> $DIR/where-priv-type.rs:32:1 + --> $DIR/where-priv-type.rs:31:1 | LL | / pub fn f() LL | | LL | | where -LL | | PrivTy: - | |___________^ function `f` is reachable at visibility `pub` +LL | | PrivTy:, + | |____________^ function `f` is reachable at visibility `pub` | note: but type `PrivTy` is only usable at visibility `pub(crate)` --> $DIR/where-priv-type.rs:8:1 @@ -39,13 +39,13 @@ LL | struct PrivTy; | ^^^^^^^^^^^^^ warning: type `PrivTy` is more private than the item `S` - --> $DIR/where-priv-type.rs:39:1 + --> $DIR/where-priv-type.rs:38:1 | LL | / impl S LL | | LL | | where -LL | | PrivTy: - | |___________^ implementation `S` is reachable at visibility `pub` +LL | | PrivTy:, + | |____________^ implementation `S` is reachable at visibility `pub` | note: but type `PrivTy` is only usable at visibility `pub(crate)` --> $DIR/where-priv-type.rs:8:1 @@ -54,13 +54,13 @@ LL | struct PrivTy; | ^^^^^^^^^^^^^ warning: type `PrivTy` is more private than the item `S::f` - --> $DIR/where-priv-type.rs:44:5 + --> $DIR/where-priv-type.rs:43:5 | LL | / pub fn f() LL | | LL | | where -LL | | PrivTy: - | |_______________^ associated function `S::f` is reachable at visibility `pub` +LL | | PrivTy:, + | |________________^ associated function `S::f` is reachable at visibility `pub` | note: but type `PrivTy` is only usable at visibility `pub(crate)` --> $DIR/where-priv-type.rs:8:1 @@ -69,7 +69,7 @@ LL | struct PrivTy; | ^^^^^^^^^^^^^ error[E0446]: private type `fn(u8) -> u8 {my_const_fn}` in public interface - --> $DIR/where-priv-type.rs:75:5 + --> $DIR/where-priv-type.rs:66:5 | LL | type AssocTy = Const<{ my_const_fn(U) }>; | ^^^^^^^^^^^^ can't leak private type @@ -78,7 +78,7 @@ LL | const fn my_const_fn(val: u8) -> u8 { | ----------------------------------- `fn(u8) -> u8 {my_const_fn}` declared as private error[E0446]: private type `fn(u8) -> u8 {my_const_fn}` in public interface - --> $DIR/where-priv-type.rs:75:5 + --> $DIR/where-priv-type.rs:66:5 | LL | type AssocTy = Const<{ my_const_fn(U) }>; | ^^^^^^^^^^^^ can't leak private type diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/spec-effectvar-ice.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/spec-effectvar-ice.rs index 9778217d462d..6b5ba5bb6241 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/spec-effectvar-ice.rs +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/spec-effectvar-ice.rs @@ -17,8 +17,6 @@ impl const Foo for T where T: const Specialize {} //~^ error: const `impl` for trait `Foo` which is not marked with `#[const_trait]` //~| error: `const` can only be applied to `#[const_trait]` traits //~| error: the const parameter `host` is not constrained by the impl trait, self type, or predicates [E0207] -//~| error: specialization impl does not specialize any associated items -//~| error: could not resolve generic parameters on overridden impl +//~| error: conflicting implementations of trait `Foo` -fn main() { -} +fn main() {} diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/spec-effectvar-ice.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/spec-effectvar-ice.stderr index d18063f8d3d8..70dd0350dc42 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/spec-effectvar-ice.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/spec-effectvar-ice.stderr @@ -37,6 +37,15 @@ LL | impl const Foo for T {} = note: expressions using a const parameter must map each value to a distinct output value = note: proving the result of expressions other than the parameter are unique is not supported +error[E0119]: conflicting implementations of trait `Foo` + --> $DIR/spec-effectvar-ice.rs:16:1 + | +LL | impl const Foo for T {} + | ----------------------- first implementation here +... +LL | impl const Foo for T where T: const Specialize {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation + error[E0207]: the const parameter `host` is not constrained by the impl trait, self type, or predicates --> $DIR/spec-effectvar-ice.rs:16:9 | @@ -46,24 +55,7 @@ LL | impl const Foo for T where T: const Specialize {} = note: expressions using a const parameter must map each value to a distinct output value = note: proving the result of expressions other than the parameter are unique is not supported -error: specialization impl does not specialize any associated items - --> $DIR/spec-effectvar-ice.rs:16:1 - | -LL | impl const Foo for T where T: const Specialize {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | -note: impl is a specialization of this impl - --> $DIR/spec-effectvar-ice.rs:12:1 - | -LL | impl const Foo for T {} - | ^^^^^^^^^^^^^^^^^^^^^^^ +error: aborting due to 6 previous errors -error: could not resolve generic parameters on overridden impl - --> $DIR/spec-effectvar-ice.rs:16:1 - | -LL | impl const Foo for T where T: const Specialize {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: aborting due to 7 previous errors - -For more information about this error, try `rustc --explain E0207`. +Some errors have detailed explanations: E0119, E0207. +For more information about an error, try `rustc --explain E0119`. diff --git a/tests/ui/type-alias-impl-trait/const_generic_type.infer.stderr b/tests/ui/type-alias-impl-trait/const_generic_type.infer.stderr index 6a1a770228da..3b6999cabc41 100644 --- a/tests/ui/type-alias-impl-trait/const_generic_type.infer.stderr +++ b/tests/ui/type-alias-impl-trait/const_generic_type.infer.stderr @@ -1,5 +1,5 @@ error: `Bar` is forbidden as the type of a const generic parameter - --> $DIR/const_generic_type.rs:7:24 + --> $DIR/const_generic_type.rs:8:24 | LL | async fn test() { | ^^^^^^^^^^ diff --git a/tests/ui/type-alias-impl-trait/const_generic_type.no_infer.stderr b/tests/ui/type-alias-impl-trait/const_generic_type.no_infer.stderr index a1a69bfaca37..56a102016514 100644 --- a/tests/ui/type-alias-impl-trait/const_generic_type.no_infer.stderr +++ b/tests/ui/type-alias-impl-trait/const_generic_type.no_infer.stderr @@ -1,13 +1,13 @@ -error[E0283]: type annotations needed - --> $DIR/const_generic_type.rs:7:1 +error: unconstrained opaque type + --> $DIR/const_generic_type.rs:5:12 | -LL | async fn test() { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type +LL | type Bar = impl std::fmt::Display; + | ^^^^^^^^^^^^^^^^^^^^^^ | - = note: cannot satisfy `_: std::fmt::Display` + = note: `Bar` must be used in combination with a concrete type within the same module error: `Bar` is forbidden as the type of a const generic parameter - --> $DIR/const_generic_type.rs:7:24 + --> $DIR/const_generic_type.rs:8:24 | LL | async fn test() { | ^^^^^^^^^^ @@ -16,4 +16,3 @@ LL | async fn test() { error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0283`. diff --git a/tests/ui/type-alias-impl-trait/const_generic_type.rs b/tests/ui/type-alias-impl-trait/const_generic_type.rs index 95a5e1c62861..bfd06826f00c 100644 --- a/tests/ui/type-alias-impl-trait/const_generic_type.rs +++ b/tests/ui/type-alias-impl-trait/const_generic_type.rs @@ -3,10 +3,10 @@ #![feature(type_alias_impl_trait)] type Bar = impl std::fmt::Display; +//[no_infer]~^ ERROR: unconstrained opaque type async fn test() { - //[no_infer]~^ ERROR: type annotations needed - //~^^ ERROR: `Bar` is forbidden as the type of a const generic parameter + //~^ ERROR: `Bar` is forbidden as the type of a const generic parameter #[cfg(infer)] let x: u32 = N; } diff --git a/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.rs b/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.rs index db155f4fa3c3..3f43fbfc0cf4 100644 --- a/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.rs +++ b/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.rs @@ -1,7 +1,6 @@ trait Trait { //~^ ERROR cannot find value `bar` in this scope //~| ERROR cycle detected when computing type of `Trait::N` - //~| ERROR cycle detected when computing type of `Trait::N` //~| ERROR the trait `Trait` cannot be made into an object //~| ERROR the trait `Trait` cannot be made into an object //~| ERROR the trait `Trait` cannot be made into an object @@ -11,20 +10,20 @@ trait Trait { //~| WARN trait objects without an explicit `dyn` are deprecated [bare_trait_objects] //~| WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! fn fnc(&self) -> Trait { - //~^ ERROR the name `N` is already used for a generic parameter in this item's generic parameters - //~| ERROR expected value, found builtin type `u32` - //~| ERROR defaults for const parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions - //~| ERROR associated item referring to unboxed trait object for its own trait - //~| ERROR the trait `Trait` cannot be made into an object - //~| ERROR `(dyn Trait<{const error}> + 'static)` is forbidden as the type of a const generic parameter - //~| WARN trait objects without an explicit `dyn` are deprecated [bare_trait_objects] - //~| WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! - //~| WARN trait objects without an explicit `dyn` are deprecated [bare_trait_objects] - //~| WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! - //~| WARN trait objects without an explicit `dyn` are deprecated [bare_trait_objects] - //~| WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! + //~^ ERROR the name `N` is already used for a generic parameter in this item's generic parameters + //~| ERROR expected value, found builtin type `u32` + //~| ERROR defaults for const parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions + //~| ERROR associated item referring to unboxed trait object for its own trait + //~| ERROR the trait `Trait` cannot be made into an object + //~| ERROR `(dyn Trait<{const error}> + 'static)` is forbidden as the type of a const generic parameter + //~| WARN trait objects without an explicit `dyn` are deprecated [bare_trait_objects] + //~| WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! + //~| WARN trait objects without an explicit `dyn` are deprecated [bare_trait_objects] + //~| WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! + //~| WARN trait objects without an explicit `dyn` are deprecated [bare_trait_objects] + //~| WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! bar - //~^ ERROR cannot find value `bar` in this scope + //~^ ERROR cannot find value `bar` in this scope } } diff --git a/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.stderr b/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.stderr index cf985d9d1fdf..f2456f99e623 100644 --- a/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.stderr +++ b/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.stderr @@ -1,5 +1,5 @@ error[E0403]: the name `N` is already used for a generic parameter in this item's generic parameters - --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:13:18 + --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:12:18 | LL | trait Trait { | - first use of `N` @@ -14,13 +14,13 @@ LL | trait Trait { | ^^^ not found in this scope error[E0423]: expected value, found builtin type `u32` - --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:13:29 + --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:12:29 | LL | fn fnc(&self) -> Trait { | ^^^ not a value error[E0425]: cannot find value `bar` in this scope - --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:26:9 + --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:25:9 | LL | bar | ^^^ not found in this scope @@ -53,28 +53,14 @@ LL | trait Trait { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information -error[E0391]: cycle detected when computing type of `Trait::N` - --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:1:13 - | -LL | trait Trait { - | ^^^^^^^^^^^^^^^^^^^^ - | - = note: ...which immediately requires computing type of `Trait::N` again -note: cycle used when computing explicit predicates of trait `Trait` - --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:1:1 - | -LL | trait Trait { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information - error: defaults for const parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions - --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:13:12 + --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:12:12 | LL | fn fnc(&self) -> Trait { | ^^^^^^^^^^^^^^^^^^^^ warning: trait objects without an explicit `dyn` are deprecated - --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:13:21 + --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:12:21 | LL | fn fnc(&self) -> Trait { | ^^^^^ @@ -87,7 +73,7 @@ LL | fn fnc(&self) -> Trait { | +++ warning: trait objects without an explicit `dyn` are deprecated - --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:13:44 + --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:12:44 | LL | fn fnc(&self) -> Trait { | ^^^^^ @@ -120,7 +106,7 @@ LL | trait Trait { | ^^^^^ `Trait` cannot be made into an object | note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit - --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:13:8 + --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:12:8 | LL | trait Trait { | ----- this trait cannot be made into an object... @@ -136,7 +122,7 @@ LL | trait Trait { | ^^^^^^^^^^^^^^^^^^^^ `Trait` cannot be made into an object | note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit - --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:13:8 + --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:12:8 | LL | trait Trait { | ----- this trait cannot be made into an object... @@ -154,7 +140,7 @@ LL | trait Trait { = note: the only supported types are integers, `bool` and `char` error: associated item referring to unboxed trait object for its own trait - --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:13:44 + --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:12:44 | LL | trait Trait { | ----- in this trait @@ -168,7 +154,7 @@ LL | fn fnc(&self) -> Self { | ~~~~ warning: trait objects without an explicit `dyn` are deprecated - --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:13:21 + --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:12:21 | LL | fn fnc(&self) -> Trait { | ^^^^^ @@ -182,13 +168,13 @@ LL | fn fnc(&self) -> Trait { | +++ error[E0038]: the trait `Trait` cannot be made into an object - --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:13:21 + --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:12:21 | LL | fn fnc(&self) -> Trait { | ^^^^^ `Trait` cannot be made into an object | note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit - --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:13:8 + --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:12:8 | LL | trait Trait { | ----- this trait cannot be made into an object... @@ -204,7 +190,7 @@ LL | trait Trait { | ^^^^^^^^^^^^^^^^^^^^ `Trait` cannot be made into an object | note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit - --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:13:8 + --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:12:8 | LL | trait Trait { | ----- this trait cannot be made into an object... @@ -215,14 +201,14 @@ LL | fn fnc(&self) -> Trait { = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` error: `(dyn Trait<{const error}> + 'static)` is forbidden as the type of a const generic parameter - --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:13:21 + --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:12:21 | LL | fn fnc(&self) -> Trait { | ^^^^^ | = note: the only supported types are integers, `bool` and `char` -error: aborting due to 14 previous errors; 5 warnings emitted +error: aborting due to 13 previous errors; 5 warnings emitted Some errors have detailed explanations: E0038, E0391, E0403, E0423, E0425. For more information about an error, try `rustc --explain E0038`. diff --git a/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122989.rs b/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122989.rs index 2995f26af4a6..a953f1818c58 100644 --- a/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122989.rs +++ b/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122989.rs @@ -1,15 +1,11 @@ // Regression test for ICE #122989 trait Foo> { -//~^ WARN trait objects without an explicit `dyn` are deprecated -//~| WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! -//~| ERROR cycle detected when computing type of `Foo::N` -//~| ERROR cycle detected when computing type of `Foo::N` -//~| ERROR the trait `Foo` cannot be made into an object -//~| ERROR the trait `Foo` cannot be made into an object -//~| ERROR the trait `Foo` cannot be made into an object -//~| ERROR `(dyn Bar<2> + 'static)` is forbidden as the type of a const generic parameter - fn func() { - } + //~^ WARN trait objects without an explicit `dyn` are deprecated + //~| WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! + //~| ERROR cycle detected when computing type of `Foo::N` + //~| ERROR the trait `Foo` cannot be made into an object + //~| ERROR `(dyn Bar<2> + 'static)` is forbidden as the type of a const generic parameter + fn func() {} } trait Bar> {} diff --git a/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122989.stderr b/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122989.stderr index e6fdc4408736..a0fd11de2dc6 100644 --- a/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122989.stderr +++ b/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122989.stderr @@ -13,7 +13,7 @@ LL | trait Foo> { | +++ warning: trait objects without an explicit `dyn` are deprecated - --> $DIR/ice-hir-wf-check-anon-const-issue-122989.rs:15:20 + --> $DIR/ice-hir-wf-check-anon-const-issue-122989.rs:11:20 | LL | trait Bar> {} | ^^^^^^ @@ -32,7 +32,7 @@ LL | trait Foo> { | ^^^^^^^^^^^^^^^ | note: ...which requires computing type of `Bar::M`... - --> $DIR/ice-hir-wf-check-anon-const-issue-122989.rs:15:11 + --> $DIR/ice-hir-wf-check-anon-const-issue-122989.rs:11:11 | LL | trait Bar> {} | ^^^^^^^^^^^^^^^ @@ -44,26 +44,6 @@ LL | trait Foo> { | ^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information -error[E0391]: cycle detected when computing type of `Foo::N` - --> $DIR/ice-hir-wf-check-anon-const-issue-122989.rs:2:11 - | -LL | trait Foo> { - | ^^^^^^^^^^^^^^^ - | -note: ...which requires computing type of `Bar::M`... - --> $DIR/ice-hir-wf-check-anon-const-issue-122989.rs:15:11 - | -LL | trait Bar> {} - | ^^^^^^^^^^^^^^^ - = note: ...which again requires computing type of `Foo::N`, completing the cycle -note: cycle used when computing explicit predicates of trait `Foo` - --> $DIR/ice-hir-wf-check-anon-const-issue-122989.rs:2:1 - | -LL | trait Foo> { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ - = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` - error[E0038]: the trait `Foo` cannot be made into an object --> $DIR/ice-hir-wf-check-anon-const-issue-122989.rs:2:24 | @@ -71,43 +51,20 @@ LL | trait Foo> { | ^ `Foo` cannot be made into an object | note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit - --> $DIR/ice-hir-wf-check-anon-const-issue-122989.rs:11:8 + --> $DIR/ice-hir-wf-check-anon-const-issue-122989.rs:8:8 | LL | trait Foo> { | --- this trait cannot be made into an object... ... -LL | fn func() { +LL | fn func() {} | ^^^^ ...because associated function `func` has no `self` parameter help: consider turning `func` into a method by giving it a `&self` argument | -LL | fn func(&self) { +LL | fn func(&self) {} | +++++ help: alternatively, consider constraining `func` so it does not apply to trait objects | -LL | fn func() where Self: Sized { - | +++++++++++++++++ - -error[E0038]: the trait `Foo` cannot be made into an object - --> $DIR/ice-hir-wf-check-anon-const-issue-122989.rs:2:11 - | -LL | trait Foo> { - | ^^^^^^^^^^^^^^^ `Foo` cannot be made into an object - | -note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit - --> $DIR/ice-hir-wf-check-anon-const-issue-122989.rs:11:8 - | -LL | trait Foo> { - | --- this trait cannot be made into an object... -... -LL | fn func() { - | ^^^^ ...because associated function `func` has no `self` parameter -help: consider turning `func` into a method by giving it a `&self` argument - | -LL | fn func(&self) { - | +++++ -help: alternatively, consider constraining `func` so it does not apply to trait objects - | -LL | fn func() where Self: Sized { +LL | fn func() where Self: Sized {} | +++++++++++++++++ error: `(dyn Bar<2> + 'static)` is forbidden as the type of a const generic parameter @@ -119,61 +76,37 @@ LL | trait Foo> { = note: the only supported types are integers, `bool` and `char` error[E0038]: the trait `Foo` cannot be made into an object - --> $DIR/ice-hir-wf-check-anon-const-issue-122989.rs:15:11 + --> $DIR/ice-hir-wf-check-anon-const-issue-122989.rs:11:11 | LL | trait Bar> {} | ^^^^^^^^^^^^^^^ `Foo` cannot be made into an object | note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit - --> $DIR/ice-hir-wf-check-anon-const-issue-122989.rs:11:8 + --> $DIR/ice-hir-wf-check-anon-const-issue-122989.rs:8:8 | LL | trait Foo> { | --- this trait cannot be made into an object... ... -LL | fn func() { +LL | fn func() {} | ^^^^ ...because associated function `func` has no `self` parameter help: consider turning `func` into a method by giving it a `&self` argument | -LL | fn func(&self) { +LL | fn func(&self) {} | +++++ help: alternatively, consider constraining `func` so it does not apply to trait objects | -LL | fn func() where Self: Sized { +LL | fn func() where Self: Sized {} | +++++++++++++++++ error: `(dyn Foo<2> + 'static)` is forbidden as the type of a const generic parameter - --> $DIR/ice-hir-wf-check-anon-const-issue-122989.rs:15:20 + --> $DIR/ice-hir-wf-check-anon-const-issue-122989.rs:11:20 | LL | trait Bar> {} | ^^^^^^ | = note: the only supported types are integers, `bool` and `char` -error[E0038]: the trait `Foo` cannot be made into an object - --> $DIR/ice-hir-wf-check-anon-const-issue-122989.rs:2:11 - | -LL | trait Foo> { - | ^^^^^^^^^^^^^^^ `Foo` cannot be made into an object - | -note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit - --> $DIR/ice-hir-wf-check-anon-const-issue-122989.rs:11:8 - | -LL | trait Foo> { - | --- this trait cannot be made into an object... -... -LL | fn func() { - | ^^^^ ...because associated function `func` has no `self` parameter - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -help: consider turning `func` into a method by giving it a `&self` argument - | -LL | fn func(&self) { - | +++++ -help: alternatively, consider constraining `func` so it does not apply to trait objects - | -LL | fn func() where Self: Sized { - | +++++++++++++++++ - -error: aborting due to 8 previous errors; 2 warnings emitted +error: aborting due to 5 previous errors; 2 warnings emitted Some errors have detailed explanations: E0038, E0391. For more information about an error, try `rustc --explain E0038`. From 2e082677a6d36f1741520b0b824ea43a903a1ba5 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Wed, 5 Jun 2024 09:40:31 -0400 Subject: [PATCH 1054/1716] Fix function-names.rs test --- tests/debuginfo/function-names.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tests/debuginfo/function-names.rs b/tests/debuginfo/function-names.rs index 96456d4c6b0b..993bdd68fc78 100644 --- a/tests/debuginfo/function-names.rs +++ b/tests/debuginfo/function-names.rs @@ -37,7 +37,7 @@ // Const generic parameter // gdb-command:info functions -q function_names::const_generic_fn.* // gdb-check:[...]static fn function_names::const_generic_fn_bool(); -// gdb-check:[...]static fn function_names::const_generic_fn_non_int<{CONST#[...]}>(); +// gdb-check:[...]static fn function_names::const_generic_fn_non_int<{CONST#a70c39591cb5f53d}>(); // gdb-check:[...]static fn function_names::const_generic_fn_signed_int<-7>(); // gdb-check:[...]static fn function_names::const_generic_fn_unsigned_int<14>(); @@ -76,7 +76,7 @@ // Const generic parameter // cdb-command:x a!function_names::const_generic_fn* // cdb-check:[...] a!function_names::const_generic_fn_bool (void) -// cdb-check:[...] a!function_names::const_generic_fn_non_int (void) +// cdb-check:[...] a!function_names::const_generic_fn_non_int (void) // cdb-check:[...] a!function_names::const_generic_fn_unsigned_int<14> (void) // cdb-check:[...] a!function_names::const_generic_fn_signed_int<-7> (void) From 38de6e1f3a48fc7a18448a3117f2db72c5fb356e Mon Sep 17 00:00:00 2001 From: Boxy Date: Tue, 4 Jun 2024 07:01:58 +0100 Subject: [PATCH 1055/1716] Misc fixes to cranelift/clippy/miri --- clippy_lints/src/large_const_arrays.rs | 2 +- clippy_lints/src/large_stack_arrays.rs | 2 +- clippy_lints/src/matches/overlapping_arms.rs | 4 ++-- clippy_lints/src/zero_repeat_side_effects.rs | 2 +- clippy_utils/src/lib.rs | 4 ++-- 5 files changed, 7 insertions(+), 7 deletions(-) diff --git a/clippy_lints/src/large_const_arrays.rs b/clippy_lints/src/large_const_arrays.rs index b561054b5824..77d05020c828 100644 --- a/clippy_lints/src/large_const_arrays.rs +++ b/clippy_lints/src/large_const_arrays.rs @@ -54,7 +54,7 @@ impl<'tcx> LateLintPass<'tcx> for LargeConstArrays { && generics.params.is_empty() && !generics.has_where_clause_predicates && let ty = cx.tcx.type_of(item.owner_id).instantiate_identity() && let ty::Array(element_type, cst) = ty.kind() - && let ConstKind::Value(ty::ValTree::Leaf(element_count)) = cst.kind() + && let ConstKind::Value(_, ty::ValTree::Leaf(element_count)) = cst.kind() && let Ok(element_count) = element_count.try_to_target_usize(cx.tcx) && let Ok(element_size) = cx.layout_of(*element_type).map(|l| l.size.bytes()) && self.maximum_allowed_size < u128::from(element_count) * u128::from(element_size) diff --git a/clippy_lints/src/large_stack_arrays.rs b/clippy_lints/src/large_stack_arrays.rs index 208d1bb6e68a..f0f3f53647b9 100644 --- a/clippy_lints/src/large_stack_arrays.rs +++ b/clippy_lints/src/large_stack_arrays.rs @@ -64,7 +64,7 @@ impl<'tcx> LateLintPass<'tcx> for LargeStackArrays { if let ExprKind::Repeat(_, _) | ExprKind::Array(_) = expr.kind && !self.is_from_vec_macro(cx, expr.span) && let ty::Array(element_type, cst) = cx.typeck_results().expr_ty(expr).kind() - && let ConstKind::Value(ty::ValTree::Leaf(element_count)) = cst.kind() + && let ConstKind::Value(_, ty::ValTree::Leaf(element_count)) = cst.kind() && let Ok(element_count) = element_count.try_to_target_usize(cx.tcx) && let Ok(element_size) = cx.layout_of(*element_type).map(|l| l.size.bytes()) && !cx.tcx.hir().parent_iter(expr.hir_id).any(|(_, node)| { diff --git a/clippy_lints/src/matches/overlapping_arms.rs b/clippy_lints/src/matches/overlapping_arms.rs index 8199366d175f..45b375dbe3d7 100644 --- a/clippy_lints/src/matches/overlapping_arms.rs +++ b/clippy_lints/src/matches/overlapping_arms.rs @@ -37,14 +37,14 @@ fn all_ranges<'tcx>(cx: &LateContext<'tcx>, arms: &'tcx [Arm<'_>], ty: Ty<'tcx>) Some(lhs) => constant(cx, cx.typeck_results(), lhs)?, None => { let min_val_const = ty.numeric_min_val(cx.tcx)?; - mir_to_const(cx, mir::Const::from_ty_const(min_val_const, cx.tcx))? + mir_to_const(cx, mir::Const::from_ty_const(min_val_const, ty, cx.tcx))? }, }; let rhs_const = match rhs { Some(rhs) => constant(cx, cx.typeck_results(), rhs)?, None => { let max_val_const = ty.numeric_max_val(cx.tcx)?; - mir_to_const(cx, mir::Const::from_ty_const(max_val_const, cx.tcx))? + mir_to_const(cx, mir::Const::from_ty_const(max_val_const, ty, cx.tcx))? }, }; let lhs_val = lhs_const.int_value(cx, ty)?; diff --git a/clippy_lints/src/zero_repeat_side_effects.rs b/clippy_lints/src/zero_repeat_side_effects.rs index 143fecdd237d..848b49130dc2 100644 --- a/clippy_lints/src/zero_repeat_side_effects.rs +++ b/clippy_lints/src/zero_repeat_side_effects.rs @@ -55,7 +55,7 @@ impl LateLintPass<'_> for ZeroRepeatSideEffects { inner_check(cx, expr, inner_expr, true); } else if let ExprKind::Repeat(inner_expr, _) = expr.kind && let ty::Array(_, cst) = cx.typeck_results().expr_ty(expr).kind() - && let ConstKind::Value(ty::ValTree::Leaf(element_count)) = cst.kind() + && let ConstKind::Value(_, ty::ValTree::Leaf(element_count)) = cst.kind() && let Ok(element_count) = element_count.try_to_target_usize(cx.tcx) && element_count == 0 { diff --git a/clippy_utils/src/lib.rs b/clippy_utils/src/lib.rs index b10830b24e1f..1147dce6215f 100644 --- a/clippy_utils/src/lib.rs +++ b/clippy_utils/src/lib.rs @@ -1534,7 +1534,7 @@ pub fn is_range_full(cx: &LateContext<'_>, expr: &Expr<'_>, container_path: Opti if let rustc_ty::Adt(_, subst) = ty.kind() && let bnd_ty = subst.type_at(0) && let Some(min_val) = bnd_ty.numeric_min_val(cx.tcx) - && let Some(min_const) = mir_to_const(cx, Const::from_ty_const(min_val, cx.tcx)) + && let Some(min_const) = mir_to_const(cx, Const::from_ty_const(min_val, bnd_ty, cx.tcx)) && let Some(start_const) = constant(cx, cx.typeck_results(), start) { start_const == min_const @@ -1547,7 +1547,7 @@ pub fn is_range_full(cx: &LateContext<'_>, expr: &Expr<'_>, container_path: Opti if let rustc_ty::Adt(_, subst) = ty.kind() && let bnd_ty = subst.type_at(0) && let Some(max_val) = bnd_ty.numeric_max_val(cx.tcx) - && let Some(max_const) = mir_to_const(cx, Const::from_ty_const(max_val, cx.tcx)) + && let Some(max_const) = mir_to_const(cx, Const::from_ty_const(max_val, bnd_ty, cx.tcx)) && let Some(end_const) = constant(cx, cx.typeck_results(), end) { end_const == max_const From 3a6b606ad9e6c9efc83bd9e7ab0025080d052bc0 Mon Sep 17 00:00:00 2001 From: Boxy Date: Wed, 5 Jun 2024 22:39:42 +0100 Subject: [PATCH 1056/1716] remove const arg windows debug info tests --- tests/debuginfo/function-names.rs | 3 --- 1 file changed, 3 deletions(-) diff --git a/tests/debuginfo/function-names.rs b/tests/debuginfo/function-names.rs index 993bdd68fc78..d9b61e736215 100644 --- a/tests/debuginfo/function-names.rs +++ b/tests/debuginfo/function-names.rs @@ -76,9 +76,6 @@ // Const generic parameter // cdb-command:x a!function_names::const_generic_fn* // cdb-check:[...] a!function_names::const_generic_fn_bool (void) -// cdb-check:[...] a!function_names::const_generic_fn_non_int (void) -// cdb-check:[...] a!function_names::const_generic_fn_unsigned_int<14> (void) -// cdb-check:[...] a!function_names::const_generic_fn_signed_int<-7> (void) #![allow(unused_variables)] #![feature(omit_gdb_pretty_printer_section)] From bb901a114f1abef304f2420be071da8aa3c21406 Mon Sep 17 00:00:00 2001 From: Tobias Bucher Date: Mon, 3 Jun 2024 13:08:39 +0200 Subject: [PATCH 1057/1716] Don't trigger `unsafe_op_in_unsafe_fn` for deprecated safe fns Fixes #125875. --- .../rustc_mir_build/src/check_unsafety.rs | 81 +++++++++++-------- tests/ui/rust-2024/unsafe-env.e2021.stderr | 27 ++++++- tests/ui/rust-2024/unsafe-env.e2024.stderr | 49 +++++++++-- tests/ui/rust-2024/unsafe-env.rs | 12 ++- 4 files changed, 124 insertions(+), 45 deletions(-) diff --git a/compiler/rustc_mir_build/src/check_unsafety.rs b/compiler/rustc_mir_build/src/check_unsafety.rs index 659ae1724603..9a19445e3779 100644 --- a/compiler/rustc_mir_build/src/check_unsafety.rs +++ b/compiler/rustc_mir_build/src/check_unsafety.rs @@ -88,6 +88,33 @@ impl<'tcx> UnsafetyVisitor<'_, 'tcx> { } } + fn emit_deprecated_safe_fn_call(&self, span: Span, kind: &UnsafeOpKind) -> bool { + match kind { + // Allow calls to deprecated-safe unsafe functions if the caller is + // from an edition before 2024. + &UnsafeOpKind::CallToUnsafeFunction(Some(id)) + if !span.at_least_rust_2024() + && self.tcx.has_attr(id, sym::rustc_deprecated_safe_2024) => + { + self.tcx.emit_node_span_lint( + DEPRECATED_SAFE, + self.hir_context, + span, + CallToDeprecatedSafeFnRequiresUnsafe { + span, + function: with_no_trimmed_paths!(self.tcx.def_path_str(id)), + sub: CallToDeprecatedSafeFnRequiresUnsafeSub { + left: span.shrink_to_lo(), + right: span.shrink_to_hi(), + }, + }, + ); + true + } + _ => false, + } + } + fn requires_unsafe(&mut self, span: Span, kind: UnsafeOpKind) { let unsafe_op_in_unsafe_fn_allowed = self.unsafe_op_in_unsafe_fn_allowed(); match self.safety_context { @@ -101,43 +128,29 @@ impl<'tcx> UnsafetyVisitor<'_, 'tcx> { } SafetyContext::UnsafeFn if unsafe_op_in_unsafe_fn_allowed => {} SafetyContext::UnsafeFn => { - // unsafe_op_in_unsafe_fn is disallowed - kind.emit_unsafe_op_in_unsafe_fn_lint( - self.tcx, - self.hir_context, - span, - self.suggest_unsafe_block, - ); - self.suggest_unsafe_block = false; - } - SafetyContext::Safe => match kind { - // Allow calls to deprecated-safe unsafe functions if the - // caller is from an edition before 2024. - UnsafeOpKind::CallToUnsafeFunction(Some(id)) - if !span.at_least_rust_2024() - && self.tcx.has_attr(id, sym::rustc_deprecated_safe_2024) => - { - self.tcx.emit_node_span_lint( - DEPRECATED_SAFE, + let deprecated_safe_fn = self.emit_deprecated_safe_fn_call(span, &kind); + if !deprecated_safe_fn { + // unsafe_op_in_unsafe_fn is disallowed + kind.emit_unsafe_op_in_unsafe_fn_lint( + self.tcx, self.hir_context, span, - CallToDeprecatedSafeFnRequiresUnsafe { - span, - function: with_no_trimmed_paths!(self.tcx.def_path_str(id)), - sub: CallToDeprecatedSafeFnRequiresUnsafeSub { - left: span.shrink_to_lo(), - right: span.shrink_to_hi(), - }, - }, - ) + self.suggest_unsafe_block, + ); + self.suggest_unsafe_block = false; } - _ => kind.emit_requires_unsafe_err( - self.tcx, - span, - self.hir_context, - unsafe_op_in_unsafe_fn_allowed, - ), - }, + } + SafetyContext::Safe => { + let deprecated_safe_fn = self.emit_deprecated_safe_fn_call(span, &kind); + if !deprecated_safe_fn { + kind.emit_requires_unsafe_err( + self.tcx, + span, + self.hir_context, + unsafe_op_in_unsafe_fn_allowed, + ); + } + } } } diff --git a/tests/ui/rust-2024/unsafe-env.e2021.stderr b/tests/ui/rust-2024/unsafe-env.e2021.stderr index cc40ec2e466b..90c1df192aa0 100644 --- a/tests/ui/rust-2024/unsafe-env.e2021.stderr +++ b/tests/ui/rust-2024/unsafe-env.e2021.stderr @@ -1,5 +1,24 @@ +error[E0133]: call to unsafe function `unsafe_fn` is unsafe and requires unsafe block + --> $DIR/unsafe-env.rs:15:9 + | +LL | unsafe_fn(); + | ^^^^^^^^^^^ call to unsafe function + | + = note: for more information, see issue #71668 + = note: consult the function's documentation for information on how to avoid undefined behavior +note: an unsafe function restricts its caller, but its body is safe by default + --> $DIR/unsafe-env.rs:9:1 + | +LL | unsafe fn unsafe_fn() { + | ^^^^^^^^^^^^^^^^^^^^^ +note: the lint level is defined here + --> $DIR/unsafe-env.rs:8:8 + | +LL | #[deny(unsafe_op_in_unsafe_fn)] + | ^^^^^^^^^^^^^^^^^^^^^^ + error[E0133]: call to unsafe function `unsafe_fn` is unsafe and requires unsafe function or block - --> $DIR/unsafe-env.rs:23:5 + --> $DIR/unsafe-env.rs:33:5 | LL | unsafe_fn(); | ^^^^^^^^^^^ call to unsafe function @@ -7,17 +26,17 @@ LL | unsafe_fn(); = note: consult the function's documentation for information on how to avoid undefined behavior error: unnecessary `unsafe` block - --> $DIR/unsafe-env.rs:26:5 + --> $DIR/unsafe-env.rs:36:5 | LL | unsafe { | ^^^^^^ unnecessary `unsafe` block | note: the lint level is defined here - --> $DIR/unsafe-env.rs:11:8 + --> $DIR/unsafe-env.rs:21:8 | LL | #[deny(unused_unsafe)] | ^^^^^^^^^^^^^ -error: aborting due to 2 previous errors +error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0133`. diff --git a/tests/ui/rust-2024/unsafe-env.e2024.stderr b/tests/ui/rust-2024/unsafe-env.e2024.stderr index b43f817cf72a..5ecdf3cd7a74 100644 --- a/tests/ui/rust-2024/unsafe-env.e2024.stderr +++ b/tests/ui/rust-2024/unsafe-env.e2024.stderr @@ -1,5 +1,42 @@ +error[E0133]: call to unsafe function `std::env::set_var` is unsafe and requires unsafe block + --> $DIR/unsafe-env.rs:10:5 + | +LL | env::set_var("FOO", "BAR"); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function + | + = note: for more information, see issue #71668 + = note: consult the function's documentation for information on how to avoid undefined behavior +note: an unsafe function restricts its caller, but its body is safe by default + --> $DIR/unsafe-env.rs:9:1 + | +LL | unsafe fn unsafe_fn() { + | ^^^^^^^^^^^^^^^^^^^^^ +note: the lint level is defined here + --> $DIR/unsafe-env.rs:8:8 + | +LL | #[deny(unsafe_op_in_unsafe_fn)] + | ^^^^^^^^^^^^^^^^^^^^^^ + +error[E0133]: call to unsafe function `std::env::remove_var` is unsafe and requires unsafe block + --> $DIR/unsafe-env.rs:12:5 + | +LL | env::remove_var("FOO"); + | ^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function + | + = note: for more information, see issue #71668 + = note: consult the function's documentation for information on how to avoid undefined behavior + +error[E0133]: call to unsafe function `unsafe_fn` is unsafe and requires unsafe block + --> $DIR/unsafe-env.rs:15:9 + | +LL | unsafe_fn(); + | ^^^^^^^^^^^ call to unsafe function + | + = note: for more information, see issue #71668 + = note: consult the function's documentation for information on how to avoid undefined behavior + error[E0133]: call to unsafe function `set_var` is unsafe and requires unsafe block - --> $DIR/unsafe-env.rs:13:5 + --> $DIR/unsafe-env.rs:23:5 | LL | env::set_var("FOO", "BAR"); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function @@ -7,7 +44,7 @@ LL | env::set_var("FOO", "BAR"); = note: consult the function's documentation for information on how to avoid undefined behavior error[E0133]: call to unsafe function `remove_var` is unsafe and requires unsafe block - --> $DIR/unsafe-env.rs:15:5 + --> $DIR/unsafe-env.rs:25:5 | LL | env::remove_var("FOO"); | ^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function @@ -15,7 +52,7 @@ LL | env::remove_var("FOO"); = note: consult the function's documentation for information on how to avoid undefined behavior error[E0133]: call to unsafe function `unsafe_fn` is unsafe and requires unsafe block - --> $DIR/unsafe-env.rs:23:5 + --> $DIR/unsafe-env.rs:33:5 | LL | unsafe_fn(); | ^^^^^^^^^^^ call to unsafe function @@ -23,17 +60,17 @@ LL | unsafe_fn(); = note: consult the function's documentation for information on how to avoid undefined behavior error: unnecessary `unsafe` block - --> $DIR/unsafe-env.rs:26:5 + --> $DIR/unsafe-env.rs:36:5 | LL | unsafe { | ^^^^^^ unnecessary `unsafe` block | note: the lint level is defined here - --> $DIR/unsafe-env.rs:11:8 + --> $DIR/unsafe-env.rs:21:8 | LL | #[deny(unused_unsafe)] | ^^^^^^^^^^^^^ -error: aborting due to 4 previous errors +error: aborting due to 7 previous errors For more information about this error, try `rustc --explain E0133`. diff --git a/tests/ui/rust-2024/unsafe-env.rs b/tests/ui/rust-2024/unsafe-env.rs index a882f077b9bb..601f44e1d3ec 100644 --- a/tests/ui/rust-2024/unsafe-env.rs +++ b/tests/ui/rust-2024/unsafe-env.rs @@ -5,7 +5,17 @@ use std::env; -unsafe fn unsafe_fn() {} +#[deny(unsafe_op_in_unsafe_fn)] +unsafe fn unsafe_fn() { + env::set_var("FOO", "BAR"); + //[e2024]~^ ERROR call to unsafe function `std::env::set_var` is unsafe + env::remove_var("FOO"); + //[e2024]~^ ERROR call to unsafe function `std::env::remove_var` is unsafe + if false { + unsafe_fn(); + //~^ ERROR call to unsafe function `unsafe_fn` is unsafe + } +} fn safe_fn() {} #[deny(unused_unsafe)] From 95b4c07ef897974a8978b4a43d0d98103a824f58 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Mon, 3 Jun 2024 15:47:46 +1000 Subject: [PATCH 1058/1716] Reduce `pub` exposure. --- .../rustc_parse/src/parser/diagnostics.rs | 26 ++++++----- compiler/rustc_parse/src/parser/expr.rs | 8 +++- compiler/rustc_parse/src/parser/item.rs | 4 +- compiler/rustc_parse/src/parser/mod.rs | 43 ++++++++++--------- compiler/rustc_parse/src/parser/path.rs | 2 +- compiler/rustc_parse/src/parser/stmt.rs | 2 +- compiler/rustc_parse/src/parser/ty.rs | 2 +- compiler/rustc_parse/src/validate_attr.rs | 6 +-- 8 files changed, 51 insertions(+), 42 deletions(-) diff --git a/compiler/rustc_parse/src/parser/diagnostics.rs b/compiler/rustc_parse/src/parser/diagnostics.rs index 9677eea06044..2bb6fb53869b 100644 --- a/compiler/rustc_parse/src/parser/diagnostics.rs +++ b/compiler/rustc_parse/src/parser/diagnostics.rs @@ -130,14 +130,14 @@ pub enum AttemptLocalParseRecovery { } impl AttemptLocalParseRecovery { - pub fn yes(&self) -> bool { + pub(super) fn yes(&self) -> bool { match self { AttemptLocalParseRecovery::Yes => true, AttemptLocalParseRecovery::No => false, } } - pub fn no(&self) -> bool { + pub(super) fn no(&self) -> bool { match self { AttemptLocalParseRecovery::Yes => false, AttemptLocalParseRecovery::No => true, @@ -891,7 +891,7 @@ impl<'a> Parser<'a> { } } - pub fn maybe_suggest_struct_literal( + pub(super) fn maybe_suggest_struct_literal( &mut self, lo: Span, s: BlockCheckMode, @@ -2459,7 +2459,7 @@ impl<'a> Parser<'a> { /// Handle encountering a symbol in a generic argument list that is not a `,` or `>`. In this /// case, we emit an error and try to suggest enclosing a const argument in braces if it looks /// like the user has forgotten them. - pub fn handle_ambiguous_unbraced_const_arg( + pub(super) fn handle_ambiguous_unbraced_const_arg( &mut self, args: &mut ThinVec, ) -> PResult<'a, bool> { @@ -2500,7 +2500,7 @@ impl<'a> Parser<'a> { /// - Single-segment paths (i.e. standalone generic const parameters). /// All other expressions that can be parsed will emit an error suggesting the expression be /// wrapped in braces. - pub fn handle_unambiguous_unbraced_const_arg(&mut self) -> PResult<'a, P> { + pub(super) fn handle_unambiguous_unbraced_const_arg(&mut self) -> PResult<'a, P> { let start = self.token.span; let expr = self.parse_expr_res(Restrictions::CONST_EXPR, None).map_err(|mut err| { err.span_label( @@ -2559,7 +2559,7 @@ impl<'a> Parser<'a> { Some(GenericArg::Const(AnonConst { id: ast::DUMMY_NODE_ID, value })) } - pub fn recover_const_param_declaration( + pub(super) fn recover_const_param_declaration( &mut self, ty_generics: Option<&Generics>, ) -> PResult<'a, Option> { @@ -2589,7 +2589,11 @@ impl<'a> Parser<'a> { /// When encountering code like `foo::< bar + 3 >` or `foo::< bar - baz >` we suggest /// `foo::<{ bar + 3 }>` and `foo::<{ bar - baz }>`, respectively. We only provide a suggestion /// if we think that the resulting expression would be well formed. - pub fn recover_const_arg(&mut self, start: Span, mut err: Diag<'a>) -> PResult<'a, GenericArg> { + pub(super) fn recover_const_arg( + &mut self, + start: Span, + mut err: Diag<'a>, + ) -> PResult<'a, GenericArg> { let is_op_or_dot = AssocOp::from_token(&self.token) .and_then(|op| { if let AssocOp::Greater @@ -2690,7 +2694,7 @@ impl<'a> Parser<'a> { } /// Creates a dummy const argument, and reports that the expression must be enclosed in braces - pub fn dummy_const_arg_needs_braces(&self, mut err: Diag<'a>, span: Span) -> GenericArg { + pub(super) fn dummy_const_arg_needs_braces(&self, mut err: Diag<'a>, span: Span) -> GenericArg { err.multipart_suggestion( "expressions must be enclosed in braces to be used as const generic \ arguments", @@ -2961,7 +2965,7 @@ impl<'a> Parser<'a> { /// * `=====` /// * `<<<<<` /// - pub fn is_vcs_conflict_marker( + pub(super) fn is_vcs_conflict_marker( &mut self, long_kind: &TokenKind, short_kind: &TokenKind, @@ -2981,14 +2985,14 @@ impl<'a> Parser<'a> { None } - pub fn recover_vcs_conflict_marker(&mut self) { + pub(super) fn recover_vcs_conflict_marker(&mut self) { if let Err(err) = self.err_vcs_conflict_marker() { err.emit(); FatalError.raise(); } } - pub fn err_vcs_conflict_marker(&mut self) -> PResult<'a, ()> { + pub(crate) fn err_vcs_conflict_marker(&mut self) -> PResult<'a, ()> { let Some(start) = self.conflict_marker(&TokenKind::BinOp(token::Shl), &TokenKind::Lt) else { return Ok(()); diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs index 1b99bc015b60..5a39248e49a3 100644 --- a/compiler/rustc_parse/src/parser/expr.rs +++ b/compiler/rustc_parse/src/parser/expr.rs @@ -445,7 +445,7 @@ impl<'a> Parser<'a> { /// The method does not advance the current token. /// /// Also performs recovery for `and` / `or` which are mistaken for `&&` and `||` respectively. - pub fn check_assoc_op(&self) -> Option> { + pub(super) fn check_assoc_op(&self) -> Option> { let (op, span) = match (AssocOp::from_token(&self.token), self.token.ident()) { // When parsing const expressions, stop parsing when encountering `>`. ( @@ -1022,7 +1022,11 @@ impl<'a> Parser<'a> { } } - pub fn parse_dot_suffix_expr(&mut self, lo: Span, base: P) -> PResult<'a, P> { + pub(super) fn parse_dot_suffix_expr( + &mut self, + lo: Span, + base: P, + ) -> PResult<'a, P> { // At this point we've consumed something like `expr.` and `self.token` holds the token // after the dot. match self.token.uninterpolate().kind { diff --git a/compiler/rustc_parse/src/parser/item.rs b/compiler/rustc_parse/src/parser/item.rs index 53757c38e8b0..fcafa2432155 100644 --- a/compiler/rustc_parse/src/parser/item.rs +++ b/compiler/rustc_parse/src/parser/item.rs @@ -2256,7 +2256,7 @@ pub(crate) struct FnParseMode { /// to true. /// * The span is from Edition 2015. In particular, you can get a /// 2015 span inside a 2021 crate using macros. - pub req_name: ReqName, + pub(super) req_name: ReqName, /// If this flag is set to `true`, then plain, semicolon-terminated function /// prototypes are not allowed here. /// @@ -2275,7 +2275,7 @@ pub(crate) struct FnParseMode { /// This field should only be set to false if the item is inside of a trait /// definition or extern block. Within an impl block or a module, it should /// always be set to true. - pub req_body: bool, + pub(super) req_body: bool, } /// Parsing of functions and methods. diff --git a/compiler/rustc_parse/src/parser/mod.rs b/compiler/rustc_parse/src/parser/mod.rs index bab8b6c06ebe..d00dbe3a4a67 100644 --- a/compiler/rustc_parse/src/parser/mod.rs +++ b/compiler/rustc_parse/src/parser/mod.rs @@ -11,14 +11,13 @@ mod stmt; mod ty; use crate::lexer::UnmatchedDelim; -pub use attr_wrapper::AttrWrapper; +use attr_wrapper::AttrWrapper; pub use diagnostics::AttemptLocalParseRecovery; pub(crate) use expr::ForbiddenLetReason; pub(crate) use item::FnParseMode; pub use pat::{CommaRecoveryMode, RecoverColon, RecoverComma}; -pub use path::PathStyle; +use path::PathStyle; -use core::fmt; use rustc_ast::ptr::P; use rustc_ast::token::{self, Delimiter, IdentIsRaw, Nonterminal, Token, TokenKind}; use rustc_ast::tokenstream::{AttributesData, DelimSpacing, DelimSpan, Spacing}; @@ -37,7 +36,7 @@ use rustc_session::parse::ParseSess; use rustc_span::symbol::{kw, sym, Ident, Symbol}; use rustc_span::{Span, DUMMY_SP}; use std::ops::Range; -use std::{mem, slice}; +use std::{fmt, mem, slice}; use thin_vec::ThinVec; use tracing::debug; @@ -146,7 +145,7 @@ pub struct Parser<'a> { /// The current token. pub token: Token, /// The spacing for the current token. - pub token_spacing: Spacing, + token_spacing: Spacing, /// The previous token. pub prev_token: Token, pub capture_cfg: bool, @@ -187,7 +186,7 @@ pub struct Parser<'a> { current_closure: Option, /// Whether the parser is allowed to do recovery. /// This is disabled when parsing macro arguments, see #103534 - pub recovery: Recovery, + recovery: Recovery, } // This type is used a lot, e.g. it's cloned when matching many declarative macro rules with nonterminals. Make sure @@ -197,10 +196,10 @@ rustc_data_structures::static_assert_size!(Parser<'_>, 264); /// Stores span information about a closure. #[derive(Clone, Debug)] -pub struct ClosureSpans { - pub whole_closure: Span, - pub closing_pipe: Span, - pub body: Span, +struct ClosureSpans { + whole_closure: Span, + closing_pipe: Span, + body: Span, } /// Indicates a range of tokens that should be replaced by @@ -220,13 +219,13 @@ pub struct ClosureSpans { /// the first macro inner attribute to invoke a proc-macro). /// When create a `TokenStream`, the inner attributes get inserted /// into the proper place in the token stream. -pub type ReplaceRange = (Range, Vec<(FlatToken, Spacing)>); +type ReplaceRange = (Range, Vec<(FlatToken, Spacing)>); /// Controls how we capture tokens. Capturing can be expensive, /// so we try to avoid performing capturing in cases where /// we will never need an `AttrTokenStream`. #[derive(Copy, Clone, Debug)] -pub enum Capturing { +enum Capturing { /// We aren't performing any capturing - this is the default mode. No, /// We are capturing tokens @@ -374,13 +373,13 @@ pub enum FollowedByType { } #[derive(Copy, Clone, Debug)] -pub enum Trailing { +enum Trailing { No, Yes, } #[derive(Clone, Copy, Debug, PartialEq, Eq)] -pub enum TokenDescription { +pub(super) enum TokenDescription { ReservedIdentifier, Keyword, ReservedKeyword, @@ -388,7 +387,7 @@ pub enum TokenDescription { } impl TokenDescription { - pub fn from_token(token: &Token) -> Option { + pub(super) fn from_token(token: &Token) -> Option { match token.kind { _ if token.is_special_ident() => Some(TokenDescription::ReservedIdentifier), _ if token.is_used_keyword() => Some(TokenDescription::Keyword), @@ -502,7 +501,7 @@ impl<'a> Parser<'a> { /// Expect next token to be edible or inedible token. If edible, /// then consume it; if inedible, then return without consuming /// anything. Signal a fatal error if next token is unexpected. - pub fn expect_one_of( + fn expect_one_of( &mut self, edible: &[TokenKind], inedible: &[TokenKind], @@ -572,7 +571,7 @@ impl<'a> Parser<'a> { /// the main purpose of this function is to reduce the cluttering of the suggestions list /// which using the normal eat method could introduce in some cases. #[inline] - pub fn eat_noexpect(&mut self, tok: &TokenKind) -> bool { + fn eat_noexpect(&mut self, tok: &TokenKind) -> bool { let is_present = self.check_noexpect(tok); if is_present { self.bump() @@ -1515,7 +1514,7 @@ impl<'a> Parser<'a> { } } - pub fn collect_tokens_no_attrs( + fn collect_tokens_no_attrs( &mut self, f: impl FnOnce(&mut Self) -> PResult<'a, R>, ) -> PResult<'a, R> { @@ -1536,8 +1535,10 @@ impl<'a> Parser<'a> { }) } - // debug view of the parser's token stream, up to `{lookahead}` tokens - pub fn debug_lookahead(&self, lookahead: usize) -> impl fmt::Debug + '_ { + // Debug view of the parser's token stream, up to `{lookahead}` tokens. + // Only used when debugging. + #[allow(unused)] + pub(crate) fn debug_lookahead(&self, lookahead: usize) -> impl fmt::Debug + '_ { struct DebugParser<'dbg> { parser: &'dbg Parser<'dbg>, lookahead: usize, @@ -1613,7 +1614,7 @@ pub(crate) fn make_unclosed_delims_error( /// is then 'parsed' to build up an `AttrTokenStream` with nested /// `AttrTokenTree::Delimited` tokens. #[derive(Debug, Clone)] -pub enum FlatToken { +enum FlatToken { /// A token - this holds both delimiter (e.g. '{' and '}') /// and non-delimiter tokens Token(Token), diff --git a/compiler/rustc_parse/src/parser/path.rs b/compiler/rustc_parse/src/parser/path.rs index fcedc1a4af3a..9beecd9849fb 100644 --- a/compiler/rustc_parse/src/parser/path.rs +++ b/compiler/rustc_parse/src/parser/path.rs @@ -20,7 +20,7 @@ use tracing::debug; /// Specifies how to parse a path. #[derive(Copy, Clone, PartialEq)] -pub enum PathStyle { +pub(super) enum PathStyle { /// In some contexts, notably in expressions, paths with generic arguments are ambiguous /// with something else. For example, in expressions `segment < ....` can be interpreted /// as a comparison and `segment ( ....` can be interpreted as a function call. diff --git a/compiler/rustc_parse/src/parser/stmt.rs b/compiler/rustc_parse/src/parser/stmt.rs index be539d15386f..104aae9b257e 100644 --- a/compiler/rustc_parse/src/parser/stmt.rs +++ b/compiler/rustc_parse/src/parser/stmt.rs @@ -31,7 +31,7 @@ impl<'a> Parser<'a> { /// Parses a statement. This stops just before trailing semicolons on everything but items. /// e.g., a `StmtKind::Semi` parses to a `StmtKind::Expr`, leaving the trailing `;` unconsumed. // Public for rustfmt usage. - pub fn parse_stmt(&mut self, force_collect: ForceCollect) -> PResult<'a, Option> { + pub(super) fn parse_stmt(&mut self, force_collect: ForceCollect) -> PResult<'a, Option> { Ok(self.parse_stmt_without_recovery(false, force_collect).unwrap_or_else(|e| { e.emit(); self.recover_stmt_(SemiColonMode::Break, BlockMode::Ignore); diff --git a/compiler/rustc_parse/src/parser/ty.rs b/compiler/rustc_parse/src/parser/ty.rs index 2033f3878875..5bed0317e5eb 100644 --- a/compiler/rustc_parse/src/parser/ty.rs +++ b/compiler/rustc_parse/src/parser/ty.rs @@ -127,7 +127,7 @@ impl<'a> Parser<'a> { /// Parse a type suitable for a field definition. /// The difference from `parse_ty` is that this version /// allows anonymous structs and unions. - pub fn parse_ty_for_field_def(&mut self) -> PResult<'a, P> { + pub(super) fn parse_ty_for_field_def(&mut self) -> PResult<'a, P> { if self.can_begin_anon_struct_or_union() { self.parse_anon_struct_or_union() } else { diff --git a/compiler/rustc_parse/src/validate_attr.rs b/compiler/rustc_parse/src/validate_attr.rs index b91ef1ae1f32..e897611212f9 100644 --- a/compiler/rustc_parse/src/validate_attr.rs +++ b/compiler/rustc_parse/src/validate_attr.rs @@ -103,7 +103,7 @@ pub fn parse_meta<'a>(psess: &'a ParseSess, attr: &Attribute) -> PResult<'a, Met }) } -pub fn check_meta_bad_delim(psess: &ParseSess, span: DelimSpan, delim: Delimiter) { +fn check_meta_bad_delim(psess: &ParseSess, span: DelimSpan, delim: Delimiter) { if let Delimiter::Parenthesis = delim { return; } @@ -113,7 +113,7 @@ pub fn check_meta_bad_delim(psess: &ParseSess, span: DelimSpan, delim: Delimiter }); } -pub fn check_cfg_attr_bad_delim(psess: &ParseSess, span: DelimSpan, delim: Delimiter) { +pub(super) fn check_cfg_attr_bad_delim(psess: &ParseSess, span: DelimSpan, delim: Delimiter) { if let Delimiter::Parenthesis = delim { return; } @@ -133,7 +133,7 @@ fn is_attr_template_compatible(template: &AttributeTemplate, meta: &ast::MetaIte } } -pub fn check_builtin_attribute( +fn check_builtin_attribute( psess: &ParseSess, attr: &Attribute, name: Symbol, From 13f2bc9a651abe9cb1711293be7eae8d48169300 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Tue, 4 Jun 2024 13:20:43 +1000 Subject: [PATCH 1059/1716] Specialize `assert_pred`. It has only two uses, and both use `matches_codepattern`. So just change it to `assert_matches_codepattern`. --- .../rustc_parse/src/parser/mut_visit/tests.rs | 18 ++++++------------ 1 file changed, 6 insertions(+), 12 deletions(-) diff --git a/compiler/rustc_parse/src/parser/mut_visit/tests.rs b/compiler/rustc_parse/src/parser/mut_visit/tests.rs index b3cb28af657e..677bcdf7fcdf 100644 --- a/compiler/rustc_parse/src/parser/mut_visit/tests.rs +++ b/compiler/rustc_parse/src/parser/mut_visit/tests.rs @@ -21,14 +21,12 @@ impl MutVisitor for ToZzIdentMutVisitor { } } -// Maybe add to `expand.rs`. -macro_rules! assert_pred { - ($pred:expr, $predname:expr, $a:expr , $b:expr) => {{ - let pred_val = $pred; +macro_rules! assert_matches_codepattern { + ($a:expr , $b:expr) => {{ let a_val = $a; let b_val = $b; - if !(pred_val(&a_val, &b_val)) { - panic!("expected args satisfying {}, got {} and {}", $predname, a_val, b_val); + if !matches_codepattern(&a_val, &b_val) { + panic!("expected args satisfying `matches_codepattern`, got {} and {}", a_val, b_val); } }}; } @@ -41,9 +39,7 @@ fn ident_transformation() { let mut krate = string_to_crate("#[a] mod b {fn c (d : e, f : g) {h!(i,j,k);l;m}}".to_string()); zz_visitor.visit_crate(&mut krate); - assert_pred!( - matches_codepattern, - "matches_codepattern", + assert_matches_codepattern!( print_crate_items(&krate), "#[zz]mod zz{fn zz(zz:zz,zz:zz){zz!(zz,zz,zz);zz;zz}}".to_string() ); @@ -61,9 +57,7 @@ fn ident_transformation_in_defs() { .to_string(), ); zz_visitor.visit_crate(&mut krate); - assert_pred!( - matches_codepattern, - "matches_codepattern", + assert_matches_codepattern!( print_crate_items(&krate), "macro_rules! zz{(zz$zz:zz$(zz $zz:zz)zz+=>(zz$(zz$zz$zz)+))}".to_string() ); From 4c731c2f6b5d1305515c7c6820f0da731c7af4c3 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Tue, 4 Jun 2024 13:33:03 +1000 Subject: [PATCH 1060/1716] Inline and remove `check_builtin_attribute`. It's small and has a single call site. Also change the second `parse_meta` call to use a simple `match`, like the first `parse_meta` call, instead of a confusing `map_err`+`ok` combination. --- compiler/rustc_parse/src/validate_attr.rs | 30 +++++++++-------------- 1 file changed, 11 insertions(+), 19 deletions(-) diff --git a/compiler/rustc_parse/src/validate_attr.rs b/compiler/rustc_parse/src/validate_attr.rs index e897611212f9..88d6dd297d19 100644 --- a/compiler/rustc_parse/src/validate_attr.rs +++ b/compiler/rustc_parse/src/validate_attr.rs @@ -25,15 +25,21 @@ pub fn check_attr(psess: &ParseSess, attr: &Attribute) { match attr_info { // `rustc_dummy` doesn't have any restrictions specific to built-in attributes. Some(BuiltinAttribute { name, template, .. }) if *name != sym::rustc_dummy => { - check_builtin_attribute(psess, attr, *name, *template) + match parse_meta(psess, attr) { + Ok(meta) => check_builtin_meta_item(psess, &meta, attr.style, *name, *template), + Err(err) => { + err.emit(); + } + } } _ if let AttrArgs::Eq(..) = attr.get_normal_item().args => { // All key-value attributes are restricted to meta-item syntax. - parse_meta(psess, attr) - .map_err(|err| { + match parse_meta(psess, attr) { + Ok(_) => {} + Err(err) => { err.emit(); - }) - .ok(); + } + } } _ => {} } @@ -133,20 +139,6 @@ fn is_attr_template_compatible(template: &AttributeTemplate, meta: &ast::MetaIte } } -fn check_builtin_attribute( - psess: &ParseSess, - attr: &Attribute, - name: Symbol, - template: AttributeTemplate, -) { - match parse_meta(psess, attr) { - Ok(meta) => check_builtin_meta_item(psess, &meta, attr.style, name, template), - Err(err) => { - err.emit(); - } - } -} - pub fn check_builtin_meta_item( psess: &ParseSess, meta: &MetaItem, From 3f892f87e679d594fc22a63495451c0bd694df9b Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Thu, 6 Jun 2024 08:53:42 +1000 Subject: [PATCH 1061/1716] Clarify an `x fmt` error. --- src/bootstrap/src/core/build_steps/format.rs | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/src/bootstrap/src/core/build_steps/format.rs b/src/bootstrap/src/core/build_steps/format.rs index 601e4e55e094..0caa39d78acc 100644 --- a/src/bootstrap/src/core/build_steps/format.rs +++ b/src/bootstrap/src/core/build_steps/format.rs @@ -118,7 +118,9 @@ fn print_paths(verb: &str, adjective: Option<&str>, paths: &[String]) { pub fn format(build: &Builder<'_>, check: bool, all: bool, paths: &[PathBuf]) { if !paths.is_empty() { - eprintln!("fmt error: path arguments are not accepted"); + eprintln!( + "fmt error: path arguments are no longer accepted; use `--all` to format everything" + ); crate::exit!(1); }; if build.config.dry_run() { From 6d19ac36b904155ca0f3f89e6a6361d56a46551d Mon Sep 17 00:00:00 2001 From: Veera Date: Wed, 5 Jun 2024 19:11:40 -0400 Subject: [PATCH 1062/1716] Update Tests --- .../associated-type-bounds/no-gat-position.rs | 1 + .../no-gat-position.stderr | 5 + .../associated-types/associated-types-eq-2.rs | 2 - .../associated-types-eq-2.stderr | 62 +++--------- .../rtn-in-impl-signature.stderr | 5 + .../issue-89013-no-kw.rs | 3 +- .../issue-89013-no-kw.stderr | 22 +---- .../parser-error-recovery/issue-89013.rs | 1 - .../parser-error-recovery/issue-89013.stderr | 22 +---- ...ams-declared-in-wrong-spot-issue-113073.rs | 33 +++++++ ...declared-in-wrong-spot-issue-113073.stderr | 96 +++++++++++++++++++ 11 files changed, 161 insertions(+), 91 deletions(-) create mode 100644 tests/ui/generics/impl-block-params-declared-in-wrong-spot-issue-113073.rs create mode 100644 tests/ui/generics/impl-block-params-declared-in-wrong-spot-issue-113073.stderr diff --git a/tests/ui/associated-type-bounds/no-gat-position.rs b/tests/ui/associated-type-bounds/no-gat-position.rs index cb62c8824681..249812ebbff7 100644 --- a/tests/ui/associated-type-bounds/no-gat-position.rs +++ b/tests/ui/associated-type-bounds/no-gat-position.rs @@ -5,6 +5,7 @@ pub trait Iter { fn next<'a>(&'a mut self) -> Option>; //~^ ERROR associated item constraints are not allowed here + //~| HELP consider removing this associated item binding } impl Iter for () { diff --git a/tests/ui/associated-type-bounds/no-gat-position.stderr b/tests/ui/associated-type-bounds/no-gat-position.stderr index e167ac1fda45..b8e466b8d842 100644 --- a/tests/ui/associated-type-bounds/no-gat-position.stderr +++ b/tests/ui/associated-type-bounds/no-gat-position.stderr @@ -3,6 +3,11 @@ error[E0229]: associated item constraints are not allowed here | LL | fn next<'a>(&'a mut self) -> Option>; | ^^^^^^^^^ associated item constraint not allowed here + | +help: consider removing this associated item binding + | +LL | fn next<'a>(&'a mut self) -> Option>; + | ~~~~~~~~~~~ error: aborting due to 1 previous error diff --git a/tests/ui/associated-types/associated-types-eq-2.rs b/tests/ui/associated-types/associated-types-eq-2.rs index f0a7d1e46b1b..88eb29810610 100644 --- a/tests/ui/associated-types/associated-types-eq-2.rs +++ b/tests/ui/associated-types/associated-types-eq-2.rs @@ -76,7 +76,6 @@ trait Tr3 { impl Tr3 for Bar { } @@ -92,7 +91,6 @@ impl Tr3 for Qux { // matches the const param ident but the constraint is a type arg impl Tr3 for Bar { //~^ ERROR associated item constraints are not allowed here -//~| ERROR trait takes 3 generic arguments but 0 generic arguments were supplied } // Test for when equality constraint's ident diff --git a/tests/ui/associated-types/associated-types-eq-2.stderr b/tests/ui/associated-types/associated-types-eq-2.stderr index 53e4e59128ea..69b1b533450c 100644 --- a/tests/ui/associated-types/associated-types-eq-2.stderr +++ b/tests/ui/associated-types/associated-types-eq-2.stderr @@ -5,7 +5,6 @@ LL | impl Tr3 for Bar { | |____^ | @@ -14,7 +13,7 @@ LL | | = 42, T2 = Qux, T3 = usize> for Bar { = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error[E0658]: associated const equality is incomplete - --> $DIR/associated-types-eq-2.rs:85:10 + --> $DIR/associated-types-eq-2.rs:84:10 | LL | impl Tr3 for Qux { | ^^^^^^ @@ -24,7 +23,7 @@ LL | impl Tr3 for Qux { = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error[E0658]: associated const equality is incomplete - --> $DIR/associated-types-eq-2.rs:100:14 + --> $DIR/associated-types-eq-2.rs:98:14 | LL | impl Tr3<42, T2 = 42, T3 = usize> for Bar { | ^^^^^^^ @@ -34,7 +33,7 @@ LL | impl Tr3<42, T2 = 42, T3 = usize> for Bar { = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error[E0658]: associated const equality is incomplete - --> $DIR/associated-types-eq-2.rs:108:10 + --> $DIR/associated-types-eq-2.rs:106:10 | LL | impl Tr3 for Bar { | ^^^^^^ @@ -190,22 +189,6 @@ help: to use `GenericTerm` as a generic argument specify it directly LL | impl Tr2> for Bar { | ~~~~~~~~~~~~~~~~ -error[E0107]: trait takes 3 generic arguments but 0 generic arguments were supplied - --> $DIR/associated-types-eq-2.rs:76:6 - | -LL | impl Tr3 $DIR/associated-types-eq-2.rs:69:7 - | -LL | trait Tr3 { - | ^^^ ------------ -- -- -help: add missing generic arguments - | -LL | impl Tr3 $DIR/associated-types-eq-2.rs:76:10 | @@ -213,7 +196,6 @@ LL | impl Tr3 for Bar { | |____^ associated item constraint not allowed here | @@ -223,7 +205,7 @@ LL | impl Tr3<42, T2 = Qux, T3 = usize> for Bar { | ~~ error[E0107]: trait takes 3 generic arguments but 0 generic arguments were supplied - --> $DIR/associated-types-eq-2.rs:85:6 + --> $DIR/associated-types-eq-2.rs:84:6 | LL | impl Tr3 for Qux { | ^^^ expected 3 generic arguments @@ -239,7 +221,7 @@ LL | impl Tr3 for Qux { | ++++++++++ error[E0229]: associated item constraints are not allowed here - --> $DIR/associated-types-eq-2.rs:85:10 + --> $DIR/associated-types-eq-2.rs:84:10 | LL | impl Tr3 for Qux { | ^^^^^^ associated item constraint not allowed here @@ -249,24 +231,8 @@ help: consider removing this associated item binding LL | impl Tr3 for Qux { | ~~~~~~~ -error[E0107]: trait takes 3 generic arguments but 0 generic arguments were supplied - --> $DIR/associated-types-eq-2.rs:93:6 - | -LL | impl Tr3 for Bar { - | ^^^ expected 3 generic arguments - | -note: trait defined here, with 3 generic parameters: `N`, `T2`, `T3` - --> $DIR/associated-types-eq-2.rs:69:7 - | -LL | trait Tr3 { - | ^^^ ------------ -- -- -help: add missing generic arguments - | -LL | impl Tr3 for Bar { - | ++++++++++ - error[E0229]: associated item constraints are not allowed here - --> $DIR/associated-types-eq-2.rs:93:10 + --> $DIR/associated-types-eq-2.rs:92:10 | LL | impl Tr3 for Bar { | ^^^^^^^ associated item constraint not allowed here @@ -277,7 +243,7 @@ LL | impl Tr3 for Bar { | ~~~~~~~~ error[E0107]: trait takes 3 generic arguments but 1 generic argument was supplied - --> $DIR/associated-types-eq-2.rs:100:6 + --> $DIR/associated-types-eq-2.rs:98:6 | LL | impl Tr3<42, T2 = 42, T3 = usize> for Bar { | ^^^ -- supplied 1 generic argument @@ -295,7 +261,7 @@ LL | impl Tr3<42, T2, T3, T2 = 42, T3 = usize> for Bar { | ++++++++ error[E0229]: associated item constraints are not allowed here - --> $DIR/associated-types-eq-2.rs:100:14 + --> $DIR/associated-types-eq-2.rs:98:14 | LL | impl Tr3<42, T2 = 42, T3 = usize> for Bar { | ^^^^^^^ associated item constraint not allowed here @@ -306,7 +272,7 @@ LL | impl Tr3<42, T2 = 42, T3 = usize> for Bar { | ~~~~~~~~~ error[E0107]: trait takes 3 generic arguments but 0 generic arguments were supplied - --> $DIR/associated-types-eq-2.rs:108:6 + --> $DIR/associated-types-eq-2.rs:106:6 | LL | impl Tr3 for Bar { | ^^^ expected 3 generic arguments @@ -322,7 +288,7 @@ LL | impl Tr3 for Bar { | ++++++++++ error[E0229]: associated item constraints are not allowed here - --> $DIR/associated-types-eq-2.rs:108:10 + --> $DIR/associated-types-eq-2.rs:106:10 | LL | impl Tr3 for Bar { | ^^^^^^ associated item constraint not allowed here @@ -333,13 +299,13 @@ LL | impl Tr3 for Bar { | ~~~~~~~ error[E0107]: struct takes 1 generic argument but 0 generic arguments were supplied - --> $DIR/associated-types-eq-2.rs:119:13 + --> $DIR/associated-types-eq-2.rs:117:13 | LL | impl<'a, T> St<'a , T = Qux> { | ^^ expected 1 generic argument | note: struct defined here, with 1 generic parameter: `T` - --> $DIR/associated-types-eq-2.rs:117:8 + --> $DIR/associated-types-eq-2.rs:115:8 | LL | struct St<'a, T> { v: &'a T } | ^^ - @@ -349,7 +315,7 @@ LL | impl<'a, T> St<'a, T , T = Qux> { | +++ error[E0229]: associated item constraints are not allowed here - --> $DIR/associated-types-eq-2.rs:119:21 + --> $DIR/associated-types-eq-2.rs:117:21 | LL | impl<'a, T> St<'a , T = Qux> { | ^^^^^^^ associated item constraint not allowed here @@ -359,7 +325,7 @@ help: to use `Qux` as a generic argument specify it directly LL | impl<'a, T> St<'a , Qux> { | ~~~ -error: aborting due to 27 previous errors +error: aborting due to 25 previous errors Some errors have detailed explanations: E0046, E0107, E0229, E0658. For more information about an error, try `rustc --explain E0046`. diff --git a/tests/ui/async-await/return-type-notation/rtn-in-impl-signature.stderr b/tests/ui/async-await/return-type-notation/rtn-in-impl-signature.stderr index b07c5735dff6..b0c89b059250 100644 --- a/tests/ui/async-await/return-type-notation/rtn-in-impl-signature.stderr +++ b/tests/ui/async-await/return-type-notation/rtn-in-impl-signature.stderr @@ -12,6 +12,11 @@ error[E0229]: associated item constraints are not allowed here | LL | impl Super1<'_, bar(): Send> for () {} | ^^^^^^^^^^^ associated item constraint not allowed here + | +help: consider removing this associated item binding + | +LL | impl Super1<'_, bar(): Send> for () {} + | ~~~~~~~~~~~~~ error[E0046]: not all trait items implemented, missing: `bar` --> $DIR/rtn-in-impl-signature.rs:10:1 diff --git a/tests/ui/const-generics/parser-error-recovery/issue-89013-no-kw.rs b/tests/ui/const-generics/parser-error-recovery/issue-89013-no-kw.rs index fbf1553c182c..c15482f92dca 100644 --- a/tests/ui/const-generics/parser-error-recovery/issue-89013-no-kw.rs +++ b/tests/ui/const-generics/parser-error-recovery/issue-89013-no-kw.rs @@ -7,8 +7,7 @@ struct Bar; const T: usize = 42; impl Foo for Bar { -//~^ ERROR trait takes 1 generic argument but 0 generic arguments were supplied -//~| ERROR associated item constraints are not allowed here +//~^ ERROR associated item constraints are not allowed here //~| ERROR associated const equality is incomplete fn do_x(&self) -> [u8; 3] { [0u8; 3] diff --git a/tests/ui/const-generics/parser-error-recovery/issue-89013-no-kw.stderr b/tests/ui/const-generics/parser-error-recovery/issue-89013-no-kw.stderr index a132859b412f..78cddcc234c6 100644 --- a/tests/ui/const-generics/parser-error-recovery/issue-89013-no-kw.stderr +++ b/tests/ui/const-generics/parser-error-recovery/issue-89013-no-kw.stderr @@ -8,22 +8,6 @@ LL | impl Foo for Bar { = help: add `#![feature(associated_const_equality)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date -error[E0107]: trait takes 1 generic argument but 0 generic arguments were supplied - --> $DIR/issue-89013-no-kw.rs:9:6 - | -LL | impl Foo for Bar { - | ^^^ expected 1 generic argument - | -note: trait defined here, with 1 generic parameter: `N` - --> $DIR/issue-89013-no-kw.rs:1:7 - | -LL | trait Foo { - | ^^^ -------------- -help: add missing generic argument - | -LL | impl Foo for Bar { - | ++ - error[E0229]: associated item constraints are not allowed here --> $DIR/issue-89013-no-kw.rs:9:10 | @@ -35,7 +19,7 @@ help: to use `3` as a generic argument specify it directly LL | impl Foo<3> for Bar { | ~ -error: aborting due to 3 previous errors +error: aborting due to 2 previous errors -Some errors have detailed explanations: E0107, E0229, E0658. -For more information about an error, try `rustc --explain E0107`. +Some errors have detailed explanations: E0229, E0658. +For more information about an error, try `rustc --explain E0229`. diff --git a/tests/ui/const-generics/parser-error-recovery/issue-89013.rs b/tests/ui/const-generics/parser-error-recovery/issue-89013.rs index c9c7ff3a1704..6302f7f2ad5d 100644 --- a/tests/ui/const-generics/parser-error-recovery/issue-89013.rs +++ b/tests/ui/const-generics/parser-error-recovery/issue-89013.rs @@ -8,7 +8,6 @@ const T: usize = 42; impl Foo for Bar { //~^ ERROR expected lifetime, type, or constant, found keyword `const` -//~| ERROR trait takes 1 generic //~| ERROR associated item constraints are not allowed here //~| ERROR associated const equality is incomplete fn do_x(&self) -> [u8; 3] { diff --git a/tests/ui/const-generics/parser-error-recovery/issue-89013.stderr b/tests/ui/const-generics/parser-error-recovery/issue-89013.stderr index 2fdd12085652..387eb226e70e 100644 --- a/tests/ui/const-generics/parser-error-recovery/issue-89013.stderr +++ b/tests/ui/const-generics/parser-error-recovery/issue-89013.stderr @@ -20,22 +20,6 @@ LL | impl Foo for Bar { = help: add `#![feature(associated_const_equality)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date -error[E0107]: trait takes 1 generic argument but 0 generic arguments were supplied - --> $DIR/issue-89013.rs:9:6 - | -LL | impl Foo for Bar { - | ^^^ expected 1 generic argument - | -note: trait defined here, with 1 generic parameter: `N` - --> $DIR/issue-89013.rs:1:7 - | -LL | trait Foo { - | ^^^ -------------- -help: add missing generic argument - | -LL | impl Foo for Bar { - | ++ - error[E0229]: associated item constraints are not allowed here --> $DIR/issue-89013.rs:9:10 | @@ -47,7 +31,7 @@ help: to use `3` as a generic argument specify it directly LL | impl Foo<3> for Bar { | ~ -error: aborting due to 4 previous errors +error: aborting due to 3 previous errors -Some errors have detailed explanations: E0107, E0229, E0658. -For more information about an error, try `rustc --explain E0107`. +Some errors have detailed explanations: E0229, E0658. +For more information about an error, try `rustc --explain E0229`. diff --git a/tests/ui/generics/impl-block-params-declared-in-wrong-spot-issue-113073.rs b/tests/ui/generics/impl-block-params-declared-in-wrong-spot-issue-113073.rs new file mode 100644 index 000000000000..3a5b60e5763b --- /dev/null +++ b/tests/ui/generics/impl-block-params-declared-in-wrong-spot-issue-113073.rs @@ -0,0 +1,33 @@ +trait Foo {} + +impl Foo for String {} +//~^ ERROR associated item constraints are not allowed here +//~| HELP declare the type parameter right after the `impl` keyword + +impl Foo for u8 {} +//~^ ERROR associated item constraints are not allowed here +//~| HELP declare the type parameter right after the `impl` keyword +//~| ERROR use of undeclared lifetime name `'a` +//~| HELP consider introducing lifetime `'a` here + +impl Foo for u16 {} +//~^ ERROR associated item constraints are not allowed here +//~| HELP declare the type parameter right after the `impl` keyword + +impl<'a> Foo for u32 {} +//~^ ERROR associated item constraints are not allowed here +//~| HELP declare the type parameter right after the `impl` keyword + +trait Bar {} + +impl Bar for String {} +//~^ ERROR associated item constraints are not allowed here +//~| HELP declare the type parameter right after the `impl` keyword + +impl Bar for u8 {} +//~^ ERROR trait takes 2 generic arguments but 1 generic argument was supplied +//~| HELP add missing generic argument +//~| ERROR associated item constraints are not allowed here +//~| HELP declare the type parameter right after the `impl` keyword + +fn main() {} diff --git a/tests/ui/generics/impl-block-params-declared-in-wrong-spot-issue-113073.stderr b/tests/ui/generics/impl-block-params-declared-in-wrong-spot-issue-113073.stderr new file mode 100644 index 000000000000..dfc6761e17e7 --- /dev/null +++ b/tests/ui/generics/impl-block-params-declared-in-wrong-spot-issue-113073.stderr @@ -0,0 +1,96 @@ +error[E0261]: use of undeclared lifetime name `'a` + --> $DIR/impl-block-params-declared-in-wrong-spot-issue-113073.rs:7:13 + | +LL | impl Foo for u8 {} + | - ^^ undeclared lifetime + | | + | help: consider introducing lifetime `'a` here: `<'a>` + +error[E0229]: associated item constraints are not allowed here + --> $DIR/impl-block-params-declared-in-wrong-spot-issue-113073.rs:3:10 + | +LL | impl Foo for String {} + | ^^^^^^^^^^ associated item constraint not allowed here + | +help: declare the type parameter right after the `impl` keyword + | +LL | impl Foo for String {} + | ++++++++++++ ~ + +error[E0229]: associated item constraints are not allowed here + --> $DIR/impl-block-params-declared-in-wrong-spot-issue-113073.rs:7:10 + | +LL | impl Foo for u8 {} + | ^^^^^^^^^^^^^^^ associated item constraint not allowed here + | +help: declare the type parameter right after the `impl` keyword + | +LL | impl<'a, T: 'a + Default> Foo for u8 {} + | +++++++++++++++++++++ ~ + +error[E0229]: associated item constraints are not allowed here + --> $DIR/impl-block-params-declared-in-wrong-spot-issue-113073.rs:13:13 + | +LL | impl Foo for u16 {} + | ^^^^^^^^^^ associated item constraint not allowed here + | +help: declare the type parameter right after the `impl` keyword + | +LL | impl Foo for u16 {} + | ++++++++++++ ~ + +error[E0229]: associated item constraints are not allowed here + --> $DIR/impl-block-params-declared-in-wrong-spot-issue-113073.rs:17:14 + | +LL | impl<'a> Foo for u32 {} + | ^^^^^^^^^^^^^^^ associated item constraint not allowed here + | +help: declare the type parameter right after the `impl` keyword + | +LL | impl<'a, 'a, T: 'a + Default> Foo for u32 {} + | +++++++++++++++++++++ ~ + +error[E0229]: associated item constraints are not allowed here + --> $DIR/impl-block-params-declared-in-wrong-spot-issue-113073.rs:23:10 + | +LL | impl Bar for String {} + | ^^^^^^^^^^ associated item constraint not allowed here + | +help: declare the type parameter right after the `impl` keyword + | +LL | impl Bar for String {} + | ++++++++++++ ~ + +error[E0107]: trait takes 2 generic arguments but 1 generic argument was supplied + --> $DIR/impl-block-params-declared-in-wrong-spot-issue-113073.rs:27:9 + | +LL | impl Bar for u8 {} + | ^^^ - supplied 1 generic argument + | | + | expected 2 generic arguments + | +note: trait defined here, with 2 generic parameters: `T`, `K` + --> $DIR/impl-block-params-declared-in-wrong-spot-issue-113073.rs:21:7 + | +LL | trait Bar {} + | ^^^ - - +help: add missing generic argument + | +LL | impl Bar for u8 {} + | +++ + +error[E0229]: associated item constraints are not allowed here + --> $DIR/impl-block-params-declared-in-wrong-spot-issue-113073.rs:27:16 + | +LL | impl Bar for u8 {} + | ^^^^^^^^^^ associated item constraint not allowed here + | +help: declare the type parameter right after the `impl` keyword + | +LL | impl Bar for u8 {} + | ++++++++++++ ~ + +error: aborting due to 8 previous errors + +Some errors have detailed explanations: E0107, E0229, E0261. +For more information about an error, try `rustc --explain E0107`. From 69769fc79776a284fed2e5d9ea9605b36f50f83a Mon Sep 17 00:00:00 2001 From: "rongfu.leng" Date: Thu, 6 Jun 2024 09:38:09 +0800 Subject: [PATCH 1063/1716] Expand list of trait implementers in E0277 when calling rustc with --verbose Signed-off-by: rongfu.leng --- .../src/traits/error_reporting/type_err_ctxt_ext.rs | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs index 9a0929baeaf2..1bdbd0f3ed78 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs @@ -2082,12 +2082,16 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { }) .collect(); - let end = if candidates.len() <= 9 { candidates.len() } else { 8 }; + let end = if candidates.len() <= 9 || self.tcx.sess.opts.verbose { + candidates.len() + } else { + 8 + }; err.help(format!( "the following {other}types implement trait `{}`:{}{}", trait_ref.print_trait_sugared(), candidates[..end].join(""), - if candidates.len() > 9 { + if candidates.len() > 9 && !self.tcx.sess.opts.verbose { format!("\nand {} others", candidates.len() - 8) } else { String::new() From 3a70a810d5d271f18489a7e5a8cbbd2e6262b1b7 Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Thu, 23 May 2024 11:53:27 +0300 Subject: [PATCH 1064/1716] create libcxx-version tool for getting currently used libcxx version Signed-off-by: onur-ozkan --- src/tools/libcxx-version/main.cpp | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 src/tools/libcxx-version/main.cpp diff --git a/src/tools/libcxx-version/main.cpp b/src/tools/libcxx-version/main.cpp new file mode 100644 index 000000000000..d12078abbb83 --- /dev/null +++ b/src/tools/libcxx-version/main.cpp @@ -0,0 +1,28 @@ +// Detecting the standard library version manually using a bunch of shell commands is very +// complicated and fragile across different platforms. This program provides the major version +// of the standard library on any target platform without requiring any messy work. +// +// It's nothing more than specifying the name of the standard library implementation (either libstdc++ or libc++) +// and its major version. +// +// ignore-tidy-linelength + +#include + +int main() { + #ifdef _GLIBCXX_RELEASE + std::cout << "libstdc++ version: " << _GLIBCXX_RELEASE << std::endl; + #elif defined(_LIBCPP_VERSION) + // _LIBCPP_VERSION follows "XXYYZZ" format (e.g., 170001 for 17.0.1). + // ref: https://github.com/llvm/llvm-project/blob/f64732195c1030ee2627ff4e4142038e01df1d26/libcxx/include/__config#L51-L54 + // + // Since we use the major version from _GLIBCXX_RELEASE, we need to extract only the first 2 characters of _LIBCPP_VERSION + // to provide the major version for consistency. + std::cout << "libc++ version: " << std::to_string(_LIBCPP_VERSION).substr(0, 2) << std::endl; + #else + std::cerr << "Coudln't recognize the standard library version." << std::endl; + return 1; + #endif + + return 0; +} From 73ff1d4b25b7f996c159335af0ca5091b9f4554c Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Thu, 23 May 2024 11:59:25 +0300 Subject: [PATCH 1065/1716] check host's libstdc++ version when using ci llvm Signed-off-by: onur-ozkan --- src/bootstrap/src/core/build_steps/tool.rs | 54 ++++++++++++++++++++++ src/bootstrap/src/core/sanity.rs | 36 ++++++++++++++- 2 files changed, 89 insertions(+), 1 deletion(-) diff --git a/src/bootstrap/src/core/build_steps/tool.rs b/src/bootstrap/src/core/build_steps/tool.rs index 2db3f8f79364..4f7efcb05d89 100644 --- a/src/bootstrap/src/core/build_steps/tool.rs +++ b/src/bootstrap/src/core/build_steps/tool.rs @@ -10,6 +10,7 @@ use crate::core::builder::{Builder, Cargo as CargoCommand, RunConfig, ShouldRun, use crate::core::config::TargetSelection; use crate::utils::channel::GitInfo; use crate::utils::exec::BootstrapCommand; +use crate::utils::helpers::output; use crate::utils::helpers::{add_dylib_path, exe, t}; use crate::Compiler; use crate::Mode; @@ -804,6 +805,59 @@ impl Step for LlvmBitcodeLinker { } } +#[derive(Debug, Clone, Hash, PartialEq, Eq)] +pub struct LibcxxVersionTool { + pub target: TargetSelection, +} + +#[derive(Debug, Clone)] +pub enum LibcxxVersion { + Gnu(usize), + #[allow(dead_code)] + Llvm(usize), +} + +impl Step for LibcxxVersionTool { + type Output = LibcxxVersion; + const DEFAULT: bool = false; + const ONLY_HOSTS: bool = true; + + fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> { + run.never() + } + + fn run(self, builder: &Builder<'_>) -> LibcxxVersion { + let out_dir = builder.out.join(self.target.to_string()).join("libcxx-version"); + let _ = fs::remove_dir_all(&out_dir); + t!(fs::create_dir_all(&out_dir)); + + let compiler = builder.cxx(self.target).unwrap(); + let mut cmd = Command::new(compiler); + + let executable = out_dir.join("libcxx-version"); + cmd.arg("-o").arg(&executable).arg(builder.src.join("src/tools/libcxx-version/main.cpp")); + + builder.run_cmd(&mut cmd); + + if !executable.exists() { + panic!("Something went wrong. {} is not present", executable.display()); + } + + let version_output = output(&mut Command::new(executable)); + + let version_str = version_output.split_once("version:").unwrap().1; + let version = version_str.trim().parse::().unwrap(); + + if version_output.starts_with("libstdc++") { + LibcxxVersion::Gnu(version) + } else if version_output.starts_with("libc++") { + LibcxxVersion::Llvm(version) + } else { + panic!("Coudln't recognize the standard library version."); + } + } +} + macro_rules! tool_extended { (($sel:ident, $builder:ident), $($name:ident, diff --git a/src/bootstrap/src/core/sanity.rs b/src/bootstrap/src/core/sanity.rs index ead38ebc6d5e..6595c599eb1c 100644 --- a/src/bootstrap/src/core/sanity.rs +++ b/src/bootstrap/src/core/sanity.rs @@ -18,7 +18,8 @@ use std::process::Command; #[cfg(not(feature = "bootstrap-self-test"))] use std::collections::HashSet; -use crate::builder::Kind; +use crate::builder::{Builder, Kind}; +use crate::core::build_steps::tool; use crate::core::config::Target; use crate::utils::helpers::output; use crate::Build; @@ -38,6 +39,10 @@ const STAGE0_MISSING_TARGETS: &[&str] = &[ // just a dummy comment so the list doesn't get onelined ]; +/// Minimum version threshold for libstdc++ required when using prebuilt LLVM +/// from CI (with`llvm.download-ci-llvm` option). +const LIBSTDCXX_MIN_VERSION_THRESHOLD: usize = 8; + impl Finder { pub fn new() -> Self { Self { cache: HashMap::new(), path: env::var_os("PATH").unwrap_or_default() } @@ -102,6 +107,35 @@ pub fn check(build: &mut Build) { cmd_finder.must_have("git"); } + // Ensure that a compatible version of libstdc++ is available on the system when using `llvm.download-ci-llvm`. + if !build.config.dry_run() && !build.build.is_msvc() && build.config.llvm_from_ci { + let builder = Builder::new(build); + let libcxx_version = builder.ensure(tool::LibcxxVersionTool { target: build.build }); + + match libcxx_version { + tool::LibcxxVersion::Gnu(version) => { + if LIBSTDCXX_MIN_VERSION_THRESHOLD > version { + eprintln!( + "\nYour system's libstdc++ version is too old for the `llvm.download-ci-llvm` option." + ); + eprintln!("Current version detected: '{}'", version); + eprintln!("Minimum required version: '{}'", LIBSTDCXX_MIN_VERSION_THRESHOLD); + eprintln!( + "Consider upgrading libstdc++ or disabling the `llvm.download-ci-llvm` option." + ); + crate::exit!(1); + } + } + tool::LibcxxVersion::Llvm(_) => { + eprintln!( + "\nYour system is using libc++, which is incompatible with the `llvm.download-ci-llvm` option." + ); + eprintln!("Disable `llvm.download-ci-llvm` or switch to libstdc++."); + crate::exit!(1); + } + } + } + // We need cmake, but only if we're actually building LLVM or sanitizers. let building_llvm = build .hosts From 1a07e58c0997e17cf62150ebc2bbf3af6ea4e807 Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Thu, 23 May 2024 12:05:24 +0300 Subject: [PATCH 1066/1716] register libcxx-version in triagebot Signed-off-by: onur-ozkan --- triagebot.toml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/triagebot.toml b/triagebot.toml index 23e5c0a27f3a..55f63ef2567c 100644 --- a/triagebot.toml +++ b/triagebot.toml @@ -330,6 +330,7 @@ trigger_files = [ "src/tools/compiletest", "src/tools/tidy", "src/tools/rustdoc-gui-test", + "src/tools/libcxx-version", ] [autolabel."T-infra"] @@ -1117,6 +1118,7 @@ project-exploit-mitigations = [ "/src/tools/tidy" = ["bootstrap"] "/src/tools/x" = ["bootstrap"] "/src/tools/rustdoc-gui-test" = ["bootstrap", "@onur-ozkan"] +"/src/tools/libcxx-version" = ["@onur-ozkan"] # Enable tracking of PR review assignment # Documentation at: https://forge.rust-lang.org/triagebot/pr-assignment-tracking.html From a2407e84481fbbadd6d8d8e80726fa599533c465 Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Thu, 23 May 2024 12:59:58 +0300 Subject: [PATCH 1067/1716] skip `src/tools/libcxx-version` from tidy Signed-off-by: onur-ozkan --- src/tools/libcxx-version/main.cpp | 2 -- src/tools/tidy/src/walk.rs | 1 + 2 files changed, 1 insertion(+), 2 deletions(-) diff --git a/src/tools/libcxx-version/main.cpp b/src/tools/libcxx-version/main.cpp index d12078abbb83..79df7ef457c4 100644 --- a/src/tools/libcxx-version/main.cpp +++ b/src/tools/libcxx-version/main.cpp @@ -4,8 +4,6 @@ // // It's nothing more than specifying the name of the standard library implementation (either libstdc++ or libc++) // and its major version. -// -// ignore-tidy-linelength #include diff --git a/src/tools/tidy/src/walk.rs b/src/tools/tidy/src/walk.rs index f68b7675c769..63a038341665 100644 --- a/src/tools/tidy/src/walk.rs +++ b/src/tools/tidy/src/walk.rs @@ -16,6 +16,7 @@ pub fn filter_dirs(path: &Path) -> bool { "library/stdarch", "src/tools/cargo", "src/tools/clippy", + "src/tools/libcxx-version", "src/tools/miri", "src/tools/rust-analyzer", "src/tools/rustc-perf", From 6bfdb040d95739e09b3067e5d09543030726aeb3 Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Tue, 28 May 2024 08:18:35 +0300 Subject: [PATCH 1068/1716] add FIXME on libcxx check Signed-off-by: onur-ozkan --- src/bootstrap/src/core/sanity.rs | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/src/bootstrap/src/core/sanity.rs b/src/bootstrap/src/core/sanity.rs index 6595c599eb1c..ff0c36f11441 100644 --- a/src/bootstrap/src/core/sanity.rs +++ b/src/bootstrap/src/core/sanity.rs @@ -127,11 +127,7 @@ pub fn check(build: &mut Build) { } } tool::LibcxxVersion::Llvm(_) => { - eprintln!( - "\nYour system is using libc++, which is incompatible with the `llvm.download-ci-llvm` option." - ); - eprintln!("Disable `llvm.download-ci-llvm` or switch to libstdc++."); - crate::exit!(1); + // FIXME: Handle libc++ version check. } } } From dd9902118c0cbbcfc35c246673b381072ac5b3a8 Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Thu, 6 Jun 2024 07:06:51 +0300 Subject: [PATCH 1069/1716] use `bootstrap-self-test` feature on libstd check Signed-off-by: onur-ozkan --- src/bootstrap/src/core/build_steps/tool.rs | 2 +- src/bootstrap/src/core/sanity.rs | 9 +++++++-- 2 files changed, 8 insertions(+), 3 deletions(-) diff --git a/src/bootstrap/src/core/build_steps/tool.rs b/src/bootstrap/src/core/build_steps/tool.rs index 4f7efcb05d89..05b19c0a6e33 100644 --- a/src/bootstrap/src/core/build_steps/tool.rs +++ b/src/bootstrap/src/core/build_steps/tool.rs @@ -810,10 +810,10 @@ pub struct LibcxxVersionTool { pub target: TargetSelection, } +#[allow(dead_code)] #[derive(Debug, Clone)] pub enum LibcxxVersion { Gnu(usize), - #[allow(dead_code)] Llvm(usize), } diff --git a/src/bootstrap/src/core/sanity.rs b/src/bootstrap/src/core/sanity.rs index ff0c36f11441..e3556cb16b05 100644 --- a/src/bootstrap/src/core/sanity.rs +++ b/src/bootstrap/src/core/sanity.rs @@ -15,11 +15,14 @@ use std::fs; use std::path::PathBuf; use std::process::Command; +#[cfg(not(feature = "bootstrap-self-test"))] +use crate::builder::Builder; +#[cfg(not(feature = "bootstrap-self-test"))] +use crate::core::build_steps::tool; #[cfg(not(feature = "bootstrap-self-test"))] use std::collections::HashSet; -use crate::builder::{Builder, Kind}; -use crate::core::build_steps::tool; +use crate::builder::Kind; use crate::core::config::Target; use crate::utils::helpers::output; use crate::Build; @@ -41,6 +44,7 @@ const STAGE0_MISSING_TARGETS: &[&str] = &[ /// Minimum version threshold for libstdc++ required when using prebuilt LLVM /// from CI (with`llvm.download-ci-llvm` option). +#[cfg(not(feature = "bootstrap-self-test"))] const LIBSTDCXX_MIN_VERSION_THRESHOLD: usize = 8; impl Finder { @@ -108,6 +112,7 @@ pub fn check(build: &mut Build) { } // Ensure that a compatible version of libstdc++ is available on the system when using `llvm.download-ci-llvm`. + #[cfg(not(feature = "bootstrap-self-test"))] if !build.config.dry_run() && !build.build.is_msvc() && build.config.llvm_from_ci { let builder = Builder::new(build); let libcxx_version = builder.ensure(tool::LibcxxVersionTool { target: build.build }); From c3309ef44653898d779ebb5b8292189cc28f7e59 Mon Sep 17 00:00:00 2001 From: Sunshine Date: Thu, 6 Jun 2024 12:06:53 +0800 Subject: [PATCH 1070/1716] Make html rendered by rustdoc allow searching non-English identifier / alias. Fix alias search result showing `undefined` description. --- src/librustdoc/html/static/js/search.js | 148 +++++++++++++----------- 1 file changed, 78 insertions(+), 70 deletions(-) diff --git a/src/librustdoc/html/static/js/search.js b/src/librustdoc/html/static/js/search.js index 76a6fc9008ea..8322ea904908 100644 --- a/src/librustdoc/html/static/js/search.js +++ b/src/librustdoc/html/static/js/search.js @@ -89,6 +89,10 @@ const ROOT_PATH = typeof window !== "undefined" ? window.rootPath : "../"; // of permutations we need to check. const UNBOXING_LIMIT = 5; +// used for search query verification +const REGEX_IDENT = /\p{ID_Start}\p{ID_Continue}*|_\p{ID_Continue}+/uy; +const REGEX_INVALID_TYPE_FILTER = /[^a-z]/ui; + // In the search display, allows to switch between tabs. function printTab(nb) { let iter = 0; @@ -410,18 +414,21 @@ function initSearch(rawSearchIndex) { } /** - * Returns `true` if the given `c` character is valid for an ident. + * If the current parser position is at the beginning of an identifier, + * move the position to the end of it and return `true`. Otherwise, return `false`. * - * @param {string} c + * @param {ParserState} parserState * * @return {boolean} */ - function isIdentCharacter(c) { - return ( - c === "_" || - (c >= "0" && c <= "9") || - (c >= "a" && c <= "z") || - (c >= "A" && c <= "Z")); + function consumeIdent(parserState) { + REGEX_IDENT.lastIndex = parserState.pos; + const match = parserState.userQuery.match(REGEX_IDENT); + if (match) { + parserState.pos += match[0].length; + return true; + } + return false; } /** @@ -619,69 +626,61 @@ function initSearch(rawSearchIndex) { */ function getIdentEndPosition(parserState) { const start = parserState.pos; + let afterIdent = consumeIdent(parserState); let end = parserState.pos; - let foundExclamation = -1; + let macroExclamation = -1; while (parserState.pos < parserState.length) { const c = parserState.userQuery[parserState.pos]; - if (!isIdentCharacter(c)) { - if (c === "!") { - if (foundExclamation !== -1) { - throw ["Cannot have more than one ", "!", " in an ident"]; - } else if (parserState.pos + 1 < parserState.length && - isIdentCharacter(parserState.userQuery[parserState.pos + 1]) - ) { + if (c === "!") { + if (macroExclamation !== -1) { + throw ["Cannot have more than one ", "!", " in an ident"]; + } else if (parserState.pos + 1 < parserState.length) { + const pos = parserState.pos; + parserState.pos++; + const beforeIdent = consumeIdent(parserState); + parserState.pos = pos; + if (beforeIdent) { throw ["Unexpected ", "!", ": it can only be at the end of an ident"]; } - foundExclamation = parserState.pos; - } else if (isPathSeparator(c)) { - if (c === ":") { - if (!isPathStart(parserState)) { + } + if (afterIdent) macroExclamation = parserState.pos; + } else if (isPathSeparator(c)) { + if (c === ":") { + if (!isPathStart(parserState)) { + break; + } + // Skip current ":". + parserState.pos += 1; + } else { + while (parserState.pos + 1 < parserState.length) { + const next_c = parserState.userQuery[parserState.pos + 1]; + if (next_c !== " ") { break; } - // Skip current ":". parserState.pos += 1; - } else { - while (parserState.pos + 1 < parserState.length) { - const next_c = parserState.userQuery[parserState.pos + 1]; - if (next_c !== " ") { - break; - } - parserState.pos += 1; - } } - if (foundExclamation !== -1) { - if (foundExclamation !== start && - isIdentCharacter(parserState.userQuery[foundExclamation - 1]) - ) { - throw ["Cannot have associated items in macros"]; - } else { - // while the never type has no associated macros, we still - // can parse a path like that - foundExclamation = -1; - } - } - } else if ( - c === "[" || - c === "(" || - isEndCharacter(c) || - isSpecialStartCharacter(c) || - isSeparatorCharacter(c) - ) { - break; - } else if (parserState.pos > 0) { - throw ["Unexpected ", c, " after ", parserState.userQuery[parserState.pos - 1]]; - } else { - throw ["Unexpected ", c]; } + if (macroExclamation !== -1) { + throw ["Cannot have associated items in macros"]; + } + } else if ( + c === "[" || + c === "(" || + isEndCharacter(c) || + isSpecialStartCharacter(c) || + isSeparatorCharacter(c) + ) { + break; + } else if (parserState.pos > 0) { + throw ["Unexpected ", c, " after ", parserState.userQuery[parserState.pos - 1]]; + } else { + throw ["Unexpected ", c]; } parserState.pos += 1; + afterIdent = consumeIdent(parserState); end = parserState.pos; } - // if start == end - 1, we got the never type - if (foundExclamation !== -1 && - foundExclamation !== start && - isIdentCharacter(parserState.userQuery[foundExclamation - 1]) - ) { + if (macroExclamation !== -1) { if (parserState.typeFilter === null) { parserState.typeFilter = "macro"; } else if (parserState.typeFilter !== "macro") { @@ -693,7 +692,7 @@ function initSearch(rawSearchIndex) { " both specified", ]; } - end = foundExclamation; + end = macroExclamation; } return end; } @@ -1071,16 +1070,15 @@ function initSearch(rawSearchIndex) { function checkExtraTypeFilterCharacters(start, parserState) { const query = parserState.userQuery.slice(start, parserState.pos).trim(); - for (const c in query) { - if (!isIdentCharacter(query[c])) { - throw [ - "Unexpected ", - query[c], - " in type filter (before ", - ":", - ")", - ]; - } + const match = query.match(REGEX_INVALID_TYPE_FILTER); + if (match) { + throw [ + "Unexpected ", + match[0], + " in type filter (before ", + ":", + ")", + ]; } } @@ -2127,7 +2125,7 @@ function initSearch(rawSearchIndex) { }; } - function handleAliases(ret, query, filterCrates, currentCrate) { + async function handleAliases(ret, query, filterCrates, currentCrate) { const lowerQuery = query.toLowerCase(); // We separate aliases and crate aliases because we want to have current crate // aliases to be before the others in the displayed results. @@ -2163,6 +2161,14 @@ function initSearch(rawSearchIndex) { crateAliases.sort(sortFunc); aliases.sort(sortFunc); + const fetchDesc = alias => { + return searchIndexEmptyDesc.get(alias.crate).contains(alias.bitIndex) ? "" : searchState.loadDesc(alias); + }; + const [crateDescs, descs] = await Promise.all([ + Promise.all(crateAliases.map(fetchDesc)), + Promise.all(aliases.map(fetchDesc)) + ]); + const pushFunc = alias => { alias.alias = query; const res = buildHrefAndPath(alias); @@ -2176,7 +2182,9 @@ function initSearch(rawSearchIndex) { } }; + aliases.forEach((alias, i) => alias.desc = descs[i]); aliases.forEach(pushFunc); + crateAliases.forEach((alias, i) => alias.desc = crateDescs[i]); crateAliases.forEach(pushFunc); } @@ -2538,7 +2546,7 @@ function initSearch(rawSearchIndex) { sorted_returned, sorted_others, parsedQuery); - handleAliases(ret, parsedQuery.original.replace(/"/g, ""), filterCrates, currentCrate); + await handleAliases(ret, parsedQuery.original.replace(/"/g, ""), filterCrates, currentCrate); await Promise.all([ret.others, ret.returned, ret.in_args].map(async list => { const descs = await Promise.all(list.map(result => { return searchIndexEmptyDesc.get(result.crate).contains(result.bitIndex) ? From 878107436a2c4ca60f1e87246fdb3480e1f2058b Mon Sep 17 00:00:00 2001 From: Jubilee Young Date: Wed, 5 Jun 2024 23:06:15 -0700 Subject: [PATCH 1071/1716] Raise `DEFAULT_MIN_STACK_SIZE` to at least 64KiB Prevent copy-paste errors from producing new starved-for-resources threaded platforms by raising `DEFAULT_MIN_STACK_SIZE` from 4096 bytes to at least 64KiB. Two platforms "affected" by this have no actual threads: - UEFI - "unsupported" Platforms that this actually affects: - wasm32-wasi with "atomics" enabled - wasm32-wasi-p1-threads Two exceptions: - SGX: a "secure code execution" platform, stays at 4096B - TEEOS: also a "secure code execution" platform, stays at 8192B I believe either of these may have sufficiently "interesting" semantics around threads, or significant external library support. Either would mean making any choices here for them is suspect. --- library/std/src/sys/pal/uefi/thread.rs | 2 +- library/std/src/sys/pal/unsupported/thread.rs | 2 +- library/std/src/sys/pal/wasi/thread.rs | 2 +- library/std/src/sys/pal/wasm/atomics/thread.rs | 2 +- 4 files changed, 4 insertions(+), 4 deletions(-) diff --git a/library/std/src/sys/pal/uefi/thread.rs b/library/std/src/sys/pal/uefi/thread.rs index edc736978a12..7d4006ff4b2f 100644 --- a/library/std/src/sys/pal/uefi/thread.rs +++ b/library/std/src/sys/pal/uefi/thread.rs @@ -7,7 +7,7 @@ use crate::time::Duration; pub struct Thread(!); -pub const DEFAULT_MIN_STACK_SIZE: usize = 4096; +pub const DEFAULT_MIN_STACK_SIZE: usize = 64 * 1024; impl Thread { // unsafe: see thread::Builder::spawn_unchecked for safety requirements diff --git a/library/std/src/sys/pal/unsupported/thread.rs b/library/std/src/sys/pal/unsupported/thread.rs index ea939247199c..89f8bad7026e 100644 --- a/library/std/src/sys/pal/unsupported/thread.rs +++ b/library/std/src/sys/pal/unsupported/thread.rs @@ -6,7 +6,7 @@ use crate::time::Duration; pub struct Thread(!); -pub const DEFAULT_MIN_STACK_SIZE: usize = 4096; +pub const DEFAULT_MIN_STACK_SIZE: usize = 64 * 1024; impl Thread { // unsafe: see thread::Builder::spawn_unchecked for safety requirements diff --git a/library/std/src/sys/pal/wasi/thread.rs b/library/std/src/sys/pal/wasi/thread.rs index d45fb28b67e6..975eef2451f4 100644 --- a/library/std/src/sys/pal/wasi/thread.rs +++ b/library/std/src/sys/pal/wasi/thread.rs @@ -66,7 +66,7 @@ cfg_if::cfg_if! { } } -pub const DEFAULT_MIN_STACK_SIZE: usize = 4096; +pub const DEFAULT_MIN_STACK_SIZE: usize = 64 * 1024; impl Thread { // unsafe: see thread::Builder::spawn_unchecked for safety requirements diff --git a/library/std/src/sys/pal/wasm/atomics/thread.rs b/library/std/src/sys/pal/wasm/atomics/thread.rs index 49f936f14498..484bd08495ee 100644 --- a/library/std/src/sys/pal/wasm/atomics/thread.rs +++ b/library/std/src/sys/pal/wasm/atomics/thread.rs @@ -6,7 +6,7 @@ use crate::time::Duration; pub struct Thread(!); -pub const DEFAULT_MIN_STACK_SIZE: usize = 4096; +pub const DEFAULT_MIN_STACK_SIZE: usize = 64 * 1024; impl Thread { // unsafe: see thread::Builder::spawn_unchecked for safety requirements From 46b31e6630f4ceb5c5ecb1c85758685196e2ab06 Mon Sep 17 00:00:00 2001 From: Nikita Popov Date: Thu, 6 Jun 2024 08:37:27 +0200 Subject: [PATCH 1072/1716] Update to LLVM 18.1.7 --- src/llvm-project | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/llvm-project b/src/llvm-project index b31c30a9bb4d..5a5152f65395 160000 --- a/src/llvm-project +++ b/src/llvm-project @@ -1 +1 @@ -Subproject commit b31c30a9bb4dbbd13c359d0e2bea7f65d20adf3f +Subproject commit 5a5152f653959d14d68613a3a8a033fb65eec021 From 021ccf6c4ed0ae32f66b06a06f542c83f4e81670 Mon Sep 17 00:00:00 2001 From: Scott McMurray Date: Sun, 12 May 2024 00:22:42 -0700 Subject: [PATCH 1073/1716] Enable GVN for `AggregateKind::RawPtr` & `UnOp::PtrMetadata` --- compiler/rustc_mir_transform/src/gvn.rs | 99 ++++++++++++++++--- ...ore_aggregate_raw_ptr.GVN.panic-abort.diff | 60 +++++++++++ ...re_aggregate_raw_ptr.GVN.panic-unwind.diff | 60 +++++++++++ ....meta_of_ref_to_slice.GVN.panic-abort.diff | 32 ++++++ ...meta_of_ref_to_slice.GVN.panic-unwind.diff | 32 ++++++ tests/mir-opt/gvn.rs | 40 ++++++++ ...vn.slice_const_length.GVN.panic-abort.diff | 48 +++++++++ ...n.slice_const_length.GVN.panic-unwind.diff | 48 +++++++++ ...from_raw_parts_as_ptr.GVN.panic-abort.diff | 51 ++++++++++ ...rom_raw_parts_as_ptr.GVN.panic-unwind.diff | 51 ++++++++++ ...e_add_fat.PreCodegen.after.panic-abort.mir | 10 +- ..._add_fat.PreCodegen.after.panic-unwind.mir | 10 +- ..._add_thin.PreCodegen.after.panic-abort.mir | 2 + ...add_thin.PreCodegen.after.panic-unwind.mir | 2 + 14 files changed, 519 insertions(+), 26 deletions(-) create mode 100644 tests/mir-opt/gvn.casts_before_aggregate_raw_ptr.GVN.panic-abort.diff create mode 100644 tests/mir-opt/gvn.casts_before_aggregate_raw_ptr.GVN.panic-unwind.diff create mode 100644 tests/mir-opt/gvn.meta_of_ref_to_slice.GVN.panic-abort.diff create mode 100644 tests/mir-opt/gvn.meta_of_ref_to_slice.GVN.panic-unwind.diff create mode 100644 tests/mir-opt/gvn.slice_const_length.GVN.panic-abort.diff create mode 100644 tests/mir-opt/gvn.slice_const_length.GVN.panic-unwind.diff create mode 100644 tests/mir-opt/gvn.slice_from_raw_parts_as_ptr.GVN.panic-abort.diff create mode 100644 tests/mir-opt/gvn.slice_from_raw_parts_as_ptr.GVN.panic-unwind.diff diff --git a/compiler/rustc_mir_transform/src/gvn.rs b/compiler/rustc_mir_transform/src/gvn.rs index acde16fcb757..aba5ec8813a6 100644 --- a/compiler/rustc_mir_transform/src/gvn.rs +++ b/compiler/rustc_mir_transform/src/gvn.rs @@ -83,8 +83,8 @@ //! that contain `AllocId`s. use rustc_const_eval::const_eval::DummyMachine; -use rustc_const_eval::interpret::{intern_const_alloc_for_constprop, MemoryKind}; -use rustc_const_eval::interpret::{ImmTy, InterpCx, OpTy, Projectable, Scalar}; +use rustc_const_eval::interpret::{intern_const_alloc_for_constprop, MemPlaceMeta, MemoryKind}; +use rustc_const_eval::interpret::{ImmTy, Immediate, InterpCx, OpTy, Projectable, Scalar}; use rustc_data_structures::fx::FxIndexSet; use rustc_data_structures::graph::dominators::Dominators; use rustc_hir::def::DefKind; @@ -99,7 +99,7 @@ use rustc_middle::ty::layout::LayoutOf; use rustc_middle::ty::{self, Ty, TyCtxt}; use rustc_span::def_id::DefId; use rustc_span::DUMMY_SP; -use rustc_target::abi::{self, Abi, Size, VariantIdx, FIRST_VARIANT}; +use rustc_target::abi::{self, Abi, FieldIdx, Size, VariantIdx, FIRST_VARIANT}; use smallvec::SmallVec; use std::borrow::Cow; @@ -177,6 +177,12 @@ enum AggregateTy<'tcx> { Array, Tuple, Def(DefId, ty::GenericArgsRef<'tcx>), + RawPtr { + /// Needed for cast propagation. + data_pointer_ty: Ty<'tcx>, + /// The data pointer can be anything thin, so doesn't determine the output. + output_pointer_ty: Ty<'tcx>, + }, } #[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)] @@ -385,11 +391,22 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { AggregateTy::Def(def_id, args) => { self.tcx.type_of(def_id).instantiate(self.tcx, args) } + AggregateTy::RawPtr { output_pointer_ty, .. } => output_pointer_ty, }; let variant = if ty.is_enum() { Some(variant) } else { None }; let ty = self.ecx.layout_of(ty).ok()?; if ty.is_zst() { ImmTy::uninit(ty).into() + } else if matches!(kind, AggregateTy::RawPtr { .. }) { + // Pointers don't have fields, so don't `project_field` them. + let data = self.ecx.read_pointer(fields[0]).ok()?; + let meta = if fields[1].layout.is_zst() { + MemPlaceMeta::None + } else { + MemPlaceMeta::Meta(self.ecx.read_scalar(fields[1]).ok()?) + }; + let ptr_imm = Immediate::new_pointer_with_meta(data, meta, &self.ecx); + ImmTy::from_immediate(ptr_imm, ty).into() } else if matches!(ty.abi, Abi::Scalar(..) | Abi::ScalarPair(..)) { let dest = self.ecx.allocate(ty, MemoryKind::Stack).ok()?; let variant_dest = if let Some(variant) = variant { @@ -862,10 +879,10 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { rvalue: &mut Rvalue<'tcx>, location: Location, ) -> Option { - let Rvalue::Aggregate(box ref kind, ref mut fields) = *rvalue else { bug!() }; + let Rvalue::Aggregate(box ref kind, ref mut field_ops) = *rvalue else { bug!() }; let tcx = self.tcx; - if fields.is_empty() { + if field_ops.is_empty() { let is_zst = match *kind { AggregateKind::Array(..) | AggregateKind::Tuple @@ -884,13 +901,13 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { } } - let (ty, variant_index) = match *kind { + let (mut ty, variant_index) = match *kind { AggregateKind::Array(..) => { - assert!(!fields.is_empty()); + assert!(!field_ops.is_empty()); (AggregateTy::Array, FIRST_VARIANT) } AggregateKind::Tuple => { - assert!(!fields.is_empty()); + assert!(!field_ops.is_empty()); (AggregateTy::Tuple, FIRST_VARIANT) } AggregateKind::Closure(did, args) @@ -901,15 +918,49 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { } // Do not track unions. AggregateKind::Adt(_, _, _, _, Some(_)) => return None, - // FIXME: Do the extra work to GVN `from_raw_parts` - AggregateKind::RawPtr(..) => return None, + AggregateKind::RawPtr(pointee_ty, mtbl) => { + assert_eq!(field_ops.len(), 2); + let data_pointer_ty = field_ops[FieldIdx::ZERO].ty(self.local_decls, self.tcx); + let output_pointer_ty = Ty::new_ptr(self.tcx, pointee_ty, mtbl); + (AggregateTy::RawPtr { data_pointer_ty, output_pointer_ty }, FIRST_VARIANT) + } }; - let fields: Option> = fields + let fields: Option> = field_ops .iter_mut() .map(|op| self.simplify_operand(op, location).or_else(|| self.new_opaque())) .collect(); - let fields = fields?; + let mut fields = fields?; + + if let AggregateTy::RawPtr { data_pointer_ty, output_pointer_ty } = &mut ty { + let mut was_updated = false; + + // Any thin pointer of matching mutability is fine as the data pointer. + while let Value::Cast { + kind: CastKind::PtrToPtr, + value: cast_value, + from: cast_from, + to: _, + } = self.get(fields[0]) + && let ty::RawPtr(from_pointee_ty, from_mtbl) = cast_from.kind() + && let ty::RawPtr(_, output_mtbl) = output_pointer_ty.kind() + && from_mtbl == output_mtbl + && from_pointee_ty.is_sized(self.tcx, self.param_env) + { + fields[0] = *cast_value; + *data_pointer_ty = *cast_from; + was_updated = true; + } + + if was_updated { + if let Some(const_) = self.try_as_constant(fields[0]) { + field_ops[FieldIdx::ZERO] = Operand::Constant(Box::new(const_)); + } else if let Some(local) = self.try_as_local(fields[0], location) { + field_ops[FieldIdx::ZERO] = Operand::Copy(Place::from(local)); + self.reused_locals.insert(local); + } + } + } if let AggregateTy::Array = ty && fields.len() > 4 @@ -941,6 +992,9 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { (UnOp::Not, Value::BinaryOp(BinOp::Ne, lhs, rhs)) => { Value::BinaryOp(BinOp::Eq, *lhs, *rhs) } + (UnOp::PtrMetadata, Value::Aggregate(AggregateTy::RawPtr { .. }, _, fields)) => { + return Some(fields[1]); + } _ => return None, }; @@ -1092,6 +1146,23 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { return self.new_opaque(); } + let mut was_updated = false; + + // If that cast just casts away the metadata again, + if let PtrToPtr = kind + && let Value::Aggregate(AggregateTy::RawPtr { data_pointer_ty, .. }, _, fields) = + self.get(value) + && let ty::RawPtr(to_pointee, _) = to.kind() + && to_pointee.is_sized(self.tcx, self.param_env) + { + from = *data_pointer_ty; + value = fields[0]; + was_updated = true; + if *data_pointer_ty == to { + return Some(fields[0]); + } + } + if let PtrToPtr | PointerCoercion(MutToConstPointer) = kind && let Value::Cast { kind: inner_kind, value: inner_value, from: inner_from, to: _ } = *self.get(value) @@ -1100,9 +1171,13 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { from = inner_from; value = inner_value; *kind = PtrToPtr; + was_updated = true; if inner_from == to { return Some(inner_value); } + } + + if was_updated { if let Some(const_) = self.try_as_constant(value) { *operand = Operand::Constant(Box::new(const_)); } else if let Some(local) = self.try_as_local(value, location) { diff --git a/tests/mir-opt/gvn.casts_before_aggregate_raw_ptr.GVN.panic-abort.diff b/tests/mir-opt/gvn.casts_before_aggregate_raw_ptr.GVN.panic-abort.diff new file mode 100644 index 000000000000..6e5bdb16595b --- /dev/null +++ b/tests/mir-opt/gvn.casts_before_aggregate_raw_ptr.GVN.panic-abort.diff @@ -0,0 +1,60 @@ +- // MIR for `casts_before_aggregate_raw_ptr` before GVN ++ // MIR for `casts_before_aggregate_raw_ptr` after GVN + + fn casts_before_aggregate_raw_ptr(_1: *const u32) -> *const [u8] { + debug x => _1; + let mut _0: *const [u8]; + let _2: *const [u8; 4]; + let mut _3: *const u32; + let mut _5: *const [u8; 4]; + let mut _7: *const u8; + let mut _8: *const (); + scope 1 { + debug x => _2; + let _4: *const u8; + scope 2 { + debug x => _4; + let _6: *const (); + scope 3 { + debug x => _6; + } + } + } + + bb0: { +- StorageLive(_2); ++ nop; + StorageLive(_3); + _3 = _1; +- _2 = move _3 as *const [u8; 4] (PtrToPtr); ++ _2 = _1 as *const [u8; 4] (PtrToPtr); + StorageDead(_3); +- StorageLive(_4); ++ nop; + StorageLive(_5); + _5 = _2; +- _4 = move _5 as *const u8 (PtrToPtr); ++ _4 = _1 as *const u8 (PtrToPtr); + StorageDead(_5); +- StorageLive(_6); ++ nop; + StorageLive(_7); + _7 = _4; +- _6 = move _7 as *const () (PtrToPtr); ++ _6 = _1 as *const () (PtrToPtr); + StorageDead(_7); + StorageLive(_8); + _8 = _6; +- _0 = *const [u8] from (move _8, const 4_usize); ++ _0 = *const [u8] from (_1, const 4_usize); + StorageDead(_8); +- StorageDead(_6); +- StorageDead(_4); +- StorageDead(_2); ++ nop; ++ nop; ++ nop; + return; + } + } + diff --git a/tests/mir-opt/gvn.casts_before_aggregate_raw_ptr.GVN.panic-unwind.diff b/tests/mir-opt/gvn.casts_before_aggregate_raw_ptr.GVN.panic-unwind.diff new file mode 100644 index 000000000000..6e5bdb16595b --- /dev/null +++ b/tests/mir-opt/gvn.casts_before_aggregate_raw_ptr.GVN.panic-unwind.diff @@ -0,0 +1,60 @@ +- // MIR for `casts_before_aggregate_raw_ptr` before GVN ++ // MIR for `casts_before_aggregate_raw_ptr` after GVN + + fn casts_before_aggregate_raw_ptr(_1: *const u32) -> *const [u8] { + debug x => _1; + let mut _0: *const [u8]; + let _2: *const [u8; 4]; + let mut _3: *const u32; + let mut _5: *const [u8; 4]; + let mut _7: *const u8; + let mut _8: *const (); + scope 1 { + debug x => _2; + let _4: *const u8; + scope 2 { + debug x => _4; + let _6: *const (); + scope 3 { + debug x => _6; + } + } + } + + bb0: { +- StorageLive(_2); ++ nop; + StorageLive(_3); + _3 = _1; +- _2 = move _3 as *const [u8; 4] (PtrToPtr); ++ _2 = _1 as *const [u8; 4] (PtrToPtr); + StorageDead(_3); +- StorageLive(_4); ++ nop; + StorageLive(_5); + _5 = _2; +- _4 = move _5 as *const u8 (PtrToPtr); ++ _4 = _1 as *const u8 (PtrToPtr); + StorageDead(_5); +- StorageLive(_6); ++ nop; + StorageLive(_7); + _7 = _4; +- _6 = move _7 as *const () (PtrToPtr); ++ _6 = _1 as *const () (PtrToPtr); + StorageDead(_7); + StorageLive(_8); + _8 = _6; +- _0 = *const [u8] from (move _8, const 4_usize); ++ _0 = *const [u8] from (_1, const 4_usize); + StorageDead(_8); +- StorageDead(_6); +- StorageDead(_4); +- StorageDead(_2); ++ nop; ++ nop; ++ nop; + return; + } + } + diff --git a/tests/mir-opt/gvn.meta_of_ref_to_slice.GVN.panic-abort.diff b/tests/mir-opt/gvn.meta_of_ref_to_slice.GVN.panic-abort.diff new file mode 100644 index 000000000000..73dbabb56b35 --- /dev/null +++ b/tests/mir-opt/gvn.meta_of_ref_to_slice.GVN.panic-abort.diff @@ -0,0 +1,32 @@ +- // MIR for `meta_of_ref_to_slice` before GVN ++ // MIR for `meta_of_ref_to_slice` after GVN + + fn meta_of_ref_to_slice(_1: *const i32) -> usize { + debug x => _1; + let mut _0: usize; + let _2: *const [i32]; + let mut _3: *const i32; + let mut _4: *const [i32]; + scope 1 { + debug ptr => _2; + } + + bb0: { +- StorageLive(_2); ++ nop; + StorageLive(_3); + _3 = _1; +- _2 = *const [i32] from (move _3, const 1_usize); ++ _2 = *const [i32] from (_1, const 1_usize); + StorageDead(_3); + StorageLive(_4); + _4 = _2; +- _0 = PtrMetadata(move _4); ++ _0 = const 1_usize; + StorageDead(_4); +- StorageDead(_2); ++ nop; + return; + } + } + diff --git a/tests/mir-opt/gvn.meta_of_ref_to_slice.GVN.panic-unwind.diff b/tests/mir-opt/gvn.meta_of_ref_to_slice.GVN.panic-unwind.diff new file mode 100644 index 000000000000..73dbabb56b35 --- /dev/null +++ b/tests/mir-opt/gvn.meta_of_ref_to_slice.GVN.panic-unwind.diff @@ -0,0 +1,32 @@ +- // MIR for `meta_of_ref_to_slice` before GVN ++ // MIR for `meta_of_ref_to_slice` after GVN + + fn meta_of_ref_to_slice(_1: *const i32) -> usize { + debug x => _1; + let mut _0: usize; + let _2: *const [i32]; + let mut _3: *const i32; + let mut _4: *const [i32]; + scope 1 { + debug ptr => _2; + } + + bb0: { +- StorageLive(_2); ++ nop; + StorageLive(_3); + _3 = _1; +- _2 = *const [i32] from (move _3, const 1_usize); ++ _2 = *const [i32] from (_1, const 1_usize); + StorageDead(_3); + StorageLive(_4); + _4 = _2; +- _0 = PtrMetadata(move _4); ++ _0 = const 1_usize; + StorageDead(_4); +- StorageDead(_2); ++ nop; + return; + } + } + diff --git a/tests/mir-opt/gvn.rs b/tests/mir-opt/gvn.rs index 315377e4356f..720018f112e5 100644 --- a/tests/mir-opt/gvn.rs +++ b/tests/mir-opt/gvn.rs @@ -783,6 +783,39 @@ fn non_freeze(x: T) { } } +// Check that we can const-prop into `from_raw_parts` +fn slice_const_length(x: &[i32]) -> *const [i32] { + // CHECK-LABEL: fn slice_const_length( + // CHECK: _0 = *const [i32] from ({{_[0-9]+}}, const 123_usize); + let ptr = x.as_ptr(); + let len = 123; + std::intrinsics::aggregate_raw_ptr(ptr, len) +} + +fn meta_of_ref_to_slice(x: *const i32) -> usize { + // CHECK-LABEL: fn meta_of_ref_to_slice + // CHECK: _0 = const 1_usize + let ptr: *const [i32] = std::intrinsics::aggregate_raw_ptr(x, 1); + std::intrinsics::ptr_metadata(ptr) +} + +fn slice_from_raw_parts_as_ptr(x: *const u16, n: usize) -> (*const u16, *const f32) { + // CHECK-LABEL: fn slice_from_raw_parts_as_ptr + // CHECK: _8 = _1 as *const f32 (PtrToPtr); + // CHECK: _0 = (_1, move _8); + let ptr: *const [u16] = std::intrinsics::aggregate_raw_ptr(x, n); + (ptr as *const u16, ptr as *const f32) +} + +fn casts_before_aggregate_raw_ptr(x: *const u32) -> *const [u8] { + // CHECK-LABEL: fn casts_before_aggregate_raw_ptr + // CHECK: _0 = *const [u8] from (_1, const 4_usize); + let x = x as *const [u8; 4]; + let x = x as *const u8; + let x = x as *const (); + std::intrinsics::aggregate_raw_ptr(x, 4) +} + fn main() { subexpression_elimination(2, 4, 5); wrap_unwrap(5); @@ -807,6 +840,9 @@ fn main() { wide_ptr_integer(); borrowed(5); non_freeze(5); + slice_const_length(&[1]); + meta_of_ref_to_slice(&42); + slice_from_raw_parts_as_ptr(&123, 456); } #[inline(never)] @@ -840,3 +876,7 @@ fn identity(x: T) -> T { // EMIT_MIR gvn.wide_ptr_integer.GVN.diff // EMIT_MIR gvn.borrowed.GVN.diff // EMIT_MIR gvn.non_freeze.GVN.diff +// EMIT_MIR gvn.slice_const_length.GVN.diff +// EMIT_MIR gvn.meta_of_ref_to_slice.GVN.diff +// EMIT_MIR gvn.slice_from_raw_parts_as_ptr.GVN.diff +// EMIT_MIR gvn.casts_before_aggregate_raw_ptr.GVN.diff diff --git a/tests/mir-opt/gvn.slice_const_length.GVN.panic-abort.diff b/tests/mir-opt/gvn.slice_const_length.GVN.panic-abort.diff new file mode 100644 index 000000000000..fd5fa035d816 --- /dev/null +++ b/tests/mir-opt/gvn.slice_const_length.GVN.panic-abort.diff @@ -0,0 +1,48 @@ +- // MIR for `slice_const_length` before GVN ++ // MIR for `slice_const_length` after GVN + + fn slice_const_length(_1: &[i32]) -> *const [i32] { + debug x => _1; + let mut _0: *const [i32]; + let _2: *const i32; + let mut _3: &[i32]; + let mut _5: *const i32; + let mut _6: usize; + scope 1 { + debug ptr => _2; + let _4: usize; + scope 2 { + debug len => _4; + } + } + + bb0: { +- StorageLive(_2); ++ nop; + StorageLive(_3); + _3 = &(*_1); + _2 = core::slice::::as_ptr(move _3) -> [return: bb1, unwind unreachable]; + } + + bb1: { + StorageDead(_3); +- StorageLive(_4); ++ nop; + _4 = const 123_usize; + StorageLive(_5); + _5 = _2; + StorageLive(_6); +- _6 = _4; +- _0 = *const [i32] from (move _5, move _6); ++ _6 = const 123_usize; ++ _0 = *const [i32] from (_2, const 123_usize); + StorageDead(_6); + StorageDead(_5); +- StorageDead(_4); +- StorageDead(_2); ++ nop; ++ nop; + return; + } + } + diff --git a/tests/mir-opt/gvn.slice_const_length.GVN.panic-unwind.diff b/tests/mir-opt/gvn.slice_const_length.GVN.panic-unwind.diff new file mode 100644 index 000000000000..98945cf9724d --- /dev/null +++ b/tests/mir-opt/gvn.slice_const_length.GVN.panic-unwind.diff @@ -0,0 +1,48 @@ +- // MIR for `slice_const_length` before GVN ++ // MIR for `slice_const_length` after GVN + + fn slice_const_length(_1: &[i32]) -> *const [i32] { + debug x => _1; + let mut _0: *const [i32]; + let _2: *const i32; + let mut _3: &[i32]; + let mut _5: *const i32; + let mut _6: usize; + scope 1 { + debug ptr => _2; + let _4: usize; + scope 2 { + debug len => _4; + } + } + + bb0: { +- StorageLive(_2); ++ nop; + StorageLive(_3); + _3 = &(*_1); + _2 = core::slice::::as_ptr(move _3) -> [return: bb1, unwind continue]; + } + + bb1: { + StorageDead(_3); +- StorageLive(_4); ++ nop; + _4 = const 123_usize; + StorageLive(_5); + _5 = _2; + StorageLive(_6); +- _6 = _4; +- _0 = *const [i32] from (move _5, move _6); ++ _6 = const 123_usize; ++ _0 = *const [i32] from (_2, const 123_usize); + StorageDead(_6); + StorageDead(_5); +- StorageDead(_4); +- StorageDead(_2); ++ nop; ++ nop; + return; + } + } + diff --git a/tests/mir-opt/gvn.slice_from_raw_parts_as_ptr.GVN.panic-abort.diff b/tests/mir-opt/gvn.slice_from_raw_parts_as_ptr.GVN.panic-abort.diff new file mode 100644 index 000000000000..75bcd2a8d72c --- /dev/null +++ b/tests/mir-opt/gvn.slice_from_raw_parts_as_ptr.GVN.panic-abort.diff @@ -0,0 +1,51 @@ +- // MIR for `slice_from_raw_parts_as_ptr` before GVN ++ // MIR for `slice_from_raw_parts_as_ptr` after GVN + + fn slice_from_raw_parts_as_ptr(_1: *const u16, _2: usize) -> (*const u16, *const f32) { + debug x => _1; + debug n => _2; + let mut _0: (*const u16, *const f32); + let _3: *const [u16]; + let mut _4: *const u16; + let mut _5: usize; + let mut _6: *const u16; + let mut _7: *const [u16]; + let mut _8: *const f32; + let mut _9: *const [u16]; + scope 1 { + debug ptr => _3; + } + + bb0: { +- StorageLive(_3); ++ nop; + StorageLive(_4); + _4 = _1; + StorageLive(_5); + _5 = _2; +- _3 = *const [u16] from (move _4, move _5); ++ _3 = *const [u16] from (_1, _2); + StorageDead(_5); + StorageDead(_4); + StorageLive(_6); + StorageLive(_7); + _7 = _3; +- _6 = move _7 as *const u16 (PtrToPtr); ++ _6 = _1; + StorageDead(_7); + StorageLive(_8); + StorageLive(_9); + _9 = _3; +- _8 = move _9 as *const f32 (PtrToPtr); ++ _8 = _1 as *const f32 (PtrToPtr); + StorageDead(_9); +- _0 = (move _6, move _8); ++ _0 = (_1, move _8); + StorageDead(_8); + StorageDead(_6); +- StorageDead(_3); ++ nop; + return; + } + } + diff --git a/tests/mir-opt/gvn.slice_from_raw_parts_as_ptr.GVN.panic-unwind.diff b/tests/mir-opt/gvn.slice_from_raw_parts_as_ptr.GVN.panic-unwind.diff new file mode 100644 index 000000000000..75bcd2a8d72c --- /dev/null +++ b/tests/mir-opt/gvn.slice_from_raw_parts_as_ptr.GVN.panic-unwind.diff @@ -0,0 +1,51 @@ +- // MIR for `slice_from_raw_parts_as_ptr` before GVN ++ // MIR for `slice_from_raw_parts_as_ptr` after GVN + + fn slice_from_raw_parts_as_ptr(_1: *const u16, _2: usize) -> (*const u16, *const f32) { + debug x => _1; + debug n => _2; + let mut _0: (*const u16, *const f32); + let _3: *const [u16]; + let mut _4: *const u16; + let mut _5: usize; + let mut _6: *const u16; + let mut _7: *const [u16]; + let mut _8: *const f32; + let mut _9: *const [u16]; + scope 1 { + debug ptr => _3; + } + + bb0: { +- StorageLive(_3); ++ nop; + StorageLive(_4); + _4 = _1; + StorageLive(_5); + _5 = _2; +- _3 = *const [u16] from (move _4, move _5); ++ _3 = *const [u16] from (_1, _2); + StorageDead(_5); + StorageDead(_4); + StorageLive(_6); + StorageLive(_7); + _7 = _3; +- _6 = move _7 as *const u16 (PtrToPtr); ++ _6 = _1; + StorageDead(_7); + StorageLive(_8); + StorageLive(_9); + _9 = _3; +- _8 = move _9 as *const f32 (PtrToPtr); ++ _8 = _1 as *const f32 (PtrToPtr); + StorageDead(_9); +- _0 = (move _6, move _8); ++ _0 = (_1, move _8); + StorageDead(_8); + StorageDead(_6); +- StorageDead(_3); ++ nop; + return; + } + } + diff --git a/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_fat.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_fat.PreCodegen.after.panic-abort.mir index 2c6d93e10c11..2f6139712ffc 100644 --- a/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_fat.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_fat.PreCodegen.after.panic-abort.mir @@ -12,8 +12,7 @@ fn demo_byte_add_fat(_1: *const [u32], _2: usize) -> *const [u32] { scope 3 (inlined std::ptr::const_ptr::::add) { } scope 4 (inlined std::ptr::const_ptr::::with_metadata_of::<[u32]>) { - let mut _5: *const (); - let mut _6: usize; + let mut _5: usize; scope 5 (inlined std::ptr::metadata::<[u32]>) { } scope 6 (inlined std::ptr::from_raw_parts::<[u32], ()>) { @@ -28,11 +27,8 @@ fn demo_byte_add_fat(_1: *const [u32], _2: usize) -> *const [u32] { _4 = Offset(_3, _2); StorageDead(_3); StorageLive(_5); - _5 = _4 as *const () (PtrToPtr); - StorageLive(_6); - _6 = PtrMetadata(_1); - _0 = *const [u32] from (_5, _6); - StorageDead(_6); + _5 = PtrMetadata(_1); + _0 = *const [u32] from (_4, _5); StorageDead(_5); StorageDead(_4); return; diff --git a/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_fat.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_fat.PreCodegen.after.panic-unwind.mir index 2c6d93e10c11..2f6139712ffc 100644 --- a/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_fat.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_fat.PreCodegen.after.panic-unwind.mir @@ -12,8 +12,7 @@ fn demo_byte_add_fat(_1: *const [u32], _2: usize) -> *const [u32] { scope 3 (inlined std::ptr::const_ptr::::add) { } scope 4 (inlined std::ptr::const_ptr::::with_metadata_of::<[u32]>) { - let mut _5: *const (); - let mut _6: usize; + let mut _5: usize; scope 5 (inlined std::ptr::metadata::<[u32]>) { } scope 6 (inlined std::ptr::from_raw_parts::<[u32], ()>) { @@ -28,11 +27,8 @@ fn demo_byte_add_fat(_1: *const [u32], _2: usize) -> *const [u32] { _4 = Offset(_3, _2); StorageDead(_3); StorageLive(_5); - _5 = _4 as *const () (PtrToPtr); - StorageLive(_6); - _6 = PtrMetadata(_1); - _0 = *const [u32] from (_5, _6); - StorageDead(_6); + _5 = PtrMetadata(_1); + _0 = *const [u32] from (_4, _5); StorageDead(_5); StorageDead(_4); return; diff --git a/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_thin.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_thin.PreCodegen.after.panic-abort.mir index 04fb6b838f02..8d47e63eff2a 100644 --- a/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_thin.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_thin.PreCodegen.after.panic-abort.mir @@ -20,11 +20,13 @@ fn demo_byte_add_thin(_1: *const u32, _2: usize) -> *const u32 { } bb0: { + StorageLive(_4); StorageLive(_3); _3 = _1 as *const u8 (PtrToPtr); _4 = Offset(_3, _2); StorageDead(_3); _0 = _4 as *const u32 (PtrToPtr); + StorageDead(_4); return; } } diff --git a/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_thin.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_thin.PreCodegen.after.panic-unwind.mir index 04fb6b838f02..8d47e63eff2a 100644 --- a/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_thin.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/ptr_offset.demo_byte_add_thin.PreCodegen.after.panic-unwind.mir @@ -20,11 +20,13 @@ fn demo_byte_add_thin(_1: *const u32, _2: usize) -> *const u32 { } bb0: { + StorageLive(_4); StorageLive(_3); _3 = _1 as *const u8 (PtrToPtr); _4 = Offset(_3, _2); StorageDead(_3); _0 = _4 as *const u32 (PtrToPtr); + StorageDead(_4); return; } } From 7ad5ebc75c44b271e3a14cbe3a138e38d0bd39d3 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Thu, 6 Jun 2024 10:19:15 +0200 Subject: [PATCH 1074/1716] Migrate `run-make/manual-crate-name` to `rmake.rs` --- src/tools/tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/manual-crate-name/Makefile | 5 ----- tests/run-make/manual-crate-name/rmake.rs | 6 ++++++ 3 files changed, 6 insertions(+), 6 deletions(-) delete mode 100644 tests/run-make/manual-crate-name/Makefile create mode 100644 tests/run-make/manual-crate-name/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 600ca06fcdf3..51f0e99e5d07 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -136,7 +136,6 @@ run-make/lto-readonly-lib/Makefile run-make/lto-smoke-c/Makefile run-make/macos-deployment-target/Makefile run-make/macos-fat-archive/Makefile -run-make/manual-crate-name/Makefile run-make/manual-link/Makefile run-make/many-crates-but-no-match/Makefile run-make/metadata-dep-info/Makefile diff --git a/tests/run-make/manual-crate-name/Makefile b/tests/run-make/manual-crate-name/Makefile deleted file mode 100644 index c00e20c7c57d..000000000000 --- a/tests/run-make/manual-crate-name/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -include ../tools.mk - -all: - $(RUSTC) --crate-name foo bar.rs - rm $(TMPDIR)/libfoo.rlib diff --git a/tests/run-make/manual-crate-name/rmake.rs b/tests/run-make/manual-crate-name/rmake.rs new file mode 100644 index 000000000000..531f531abd26 --- /dev/null +++ b/tests/run-make/manual-crate-name/rmake.rs @@ -0,0 +1,6 @@ +use run_make_support::{rustc, tmp_dir}; + +fn main() { + rustc().input("bar.rs").crate_name("foo").run(); + assert!(tmp_dir().join("libfoo.rlib").is_file()); +} From c7ced1ba5305277673c3db45a183693577761734 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Wed, 6 Sep 2023 10:46:54 +0000 Subject: [PATCH 1075/1716] Make the panic info more useful --- compiler/rustc_macros/src/query.rs | 21 +++++++++++++++++-- .../rustc_query_system/src/dep_graph/graph.rs | 3 +-- src/tools/compiletest/src/runtest.rs | 1 + 3 files changed, 21 insertions(+), 4 deletions(-) diff --git a/compiler/rustc_macros/src/query.rs b/compiler/rustc_macros/src/query.rs index 25675e06e38d..ceff1da97636 100644 --- a/compiler/rustc_macros/src/query.rs +++ b/compiler/rustc_macros/src/query.rs @@ -314,6 +314,17 @@ pub fn rustc_queries(input: TokenStream) -> TokenStream { let mut query_description_stream = quote! {}; let mut query_cached_stream = quote! {}; let mut feedable_queries = quote! {}; + let mut errors = quote! {}; + + macro_rules! assert { + ( $cond:expr, $span:expr, $( $tt:tt )+ ) => { + if !$cond { + errors.extend( + Error::new($span, format!($($tt)+)).into_compile_error(), + ); + } + } + } for query in queries.0 { let Query { name, arg, modifiers, .. } = &query; @@ -369,10 +380,15 @@ pub fn rustc_queries(input: TokenStream) -> TokenStream { [#attribute_stream] fn #name(#arg) #result, }); - if modifiers.feedable.is_some() { - assert!(modifiers.anon.is_none(), "Query {name} cannot be both `feedable` and `anon`."); + if let Some(feedable) = &modifiers.feedable { + assert!( + modifiers.anon.is_none(), + feedable.span(), + "Query {name} cannot be both `feedable` and `anon`." + ); assert!( modifiers.eval_always.is_none(), + feedable.span(), "Query {name} cannot be both `feedable` and `eval_always`." ); feedable_queries.extend(quote! { @@ -407,5 +423,6 @@ pub fn rustc_queries(input: TokenStream) -> TokenStream { use super::*; #query_cached_stream } + #errors }) } diff --git a/compiler/rustc_query_system/src/dep_graph/graph.rs b/compiler/rustc_query_system/src/dep_graph/graph.rs index 76227a78c3d6..66fb3136805e 100644 --- a/compiler/rustc_query_system/src/dep_graph/graph.rs +++ b/compiler/rustc_query_system/src/dep_graph/graph.rs @@ -64,7 +64,6 @@ pub struct MarkFrame<'a> { parent: Option<&'a MarkFrame<'a>>, } -#[derive(PartialEq)] enum DepNodeColor { Red, Green(DepNodeIndex), @@ -925,7 +924,7 @@ impl DepGraph { /// Returns true if the given node has been marked as red during the /// current compilation session. Used in various assertions pub fn is_red(&self, dep_node: &DepNode) -> bool { - self.node_color(dep_node) == Some(DepNodeColor::Red) + matches!(self.node_color(dep_node), Some(DepNodeColor::Red)) } /// Returns true if the given node has been marked as green during the diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs index 9bd0002a3d9a..3464e1893d03 100644 --- a/src/tools/compiletest/src/runtest.rs +++ b/src/tools/compiletest/src/runtest.rs @@ -2469,6 +2469,7 @@ impl<'test> TestCx<'test> { } } + #[track_caller] fn fatal(&self, err: &str) -> ! { self.error(err); error!("fatal error, panic: {:?}", err); From 0a4176a8316332e37bd08741cc71a4773214941e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?R=C3=A9my=20Rakic?= Date: Thu, 6 Jun 2024 09:45:50 +0000 Subject: [PATCH 1076/1716] Revert "Rollup merge of #124976 - petrochenkov:usedcrates, r=oli-obk" This reverts commit eda4a35f365535af72118118a3597edf5a13c12d, reversing changes made to eb6b35b5bcb3c2a594cb29cd478aeb2893f49d30. --- .../rustc_codegen_ssa/src/back/symbol_export.rs | 2 +- compiler/rustc_codegen_ssa/src/base.rs | 4 ++-- compiler/rustc_interface/src/passes.rs | 2 +- .../rustc_metadata/src/dependency_format.rs | 12 ++++++------ .../src/rmeta/decoder/cstore_impl.rs | 4 ++-- compiler/rustc_metadata/src/rmeta/encoder.rs | 2 +- compiler/rustc_middle/src/hir/map/mod.rs | 6 +++--- compiler/rustc_middle/src/query/mod.rs | 17 ++++------------- compiler/rustc_middle/src/ty/context.rs | 2 +- compiler/rustc_middle/src/ty/print/pretty.rs | 2 +- compiler/rustc_middle/src/ty/trait_def.rs | 4 ++-- compiler/rustc_passes/src/diagnostic_items.rs | 2 +- compiler/rustc_passes/src/stability.rs | 4 ++-- compiler/rustc_passes/src/weak_lang_items.rs | 2 +- compiler/rustc_smir/src/rustc_smir/context.rs | 11 +++-------- src/librustdoc/clean/types.rs | 2 +- src/librustdoc/core.rs | 2 +- src/librustdoc/formats/cache.rs | 2 +- src/librustdoc/passes/collect_trait_impls.rs | 2 +- src/librustdoc/scrape_examples.rs | 2 +- src/tools/clippy/clippy_utils/src/lib.rs | 2 +- src/tools/miri/src/helpers.rs | 4 ++-- tests/ui/extern-flag/empty-extern-arg.stderr | 9 ++++++++- 23 files changed, 47 insertions(+), 54 deletions(-) diff --git a/compiler/rustc_codegen_ssa/src/back/symbol_export.rs b/compiler/rustc_codegen_ssa/src/back/symbol_export.rs index 79d6641a0da1..a6df8950b351 100644 --- a/compiler/rustc_codegen_ssa/src/back/symbol_export.rs +++ b/compiler/rustc_codegen_ssa/src/back/symbol_export.rs @@ -400,7 +400,7 @@ fn upstream_monomorphizations_provider( tcx: TyCtxt<'_>, (): (), ) -> DefIdMap, CrateNum>> { - let cnums = tcx.used_crates(()); + let cnums = tcx.crates(()); let mut instances: DefIdMap> = Default::default(); diff --git a/compiler/rustc_codegen_ssa/src/base.rs b/compiler/rustc_codegen_ssa/src/base.rs index f372d3a05226..0b450c43924e 100644 --- a/compiler/rustc_codegen_ssa/src/base.rs +++ b/compiler/rustc_codegen_ssa/src/base.rs @@ -541,7 +541,7 @@ pub fn collect_debugger_visualizers_transitive( tcx.debugger_visualizers(LOCAL_CRATE) .iter() .chain( - tcx.used_crates(()) + tcx.crates(()) .iter() .filter(|&cnum| { let used_crate_source = tcx.used_crate_source(*cnum); @@ -851,7 +851,7 @@ impl CrateInfo { // `compiler_builtins` are always placed last to ensure that they're linked correctly. used_crates.extend(compiler_builtins); - let crates = tcx.used_crates(()); + let crates = tcx.crates(()); let n_crates = crates.len(); let mut info = CrateInfo { target_cpu, diff --git a/compiler/rustc_interface/src/passes.rs b/compiler/rustc_interface/src/passes.rs index a342577cffb8..d52286d5887d 100644 --- a/compiler/rustc_interface/src/passes.rs +++ b/compiler/rustc_interface/src/passes.rs @@ -464,7 +464,7 @@ fn write_out_deps(tcx: TyCtxt<'_>, outputs: &OutputFilenames, out_filenames: &[P } } - for &cnum in tcx.crates_including_speculative(()) { + for &cnum in tcx.crates(()) { let source = tcx.used_crate_source(cnum); if let Some((path, _)) = &source.dylib { files.push(escape_dep_filename(&path.display().to_string())); diff --git a/compiler/rustc_metadata/src/dependency_format.rs b/compiler/rustc_metadata/src/dependency_format.rs index bf9bbfb8cfab..9c69ab2344e5 100644 --- a/compiler/rustc_metadata/src/dependency_format.rs +++ b/compiler/rustc_metadata/src/dependency_format.rs @@ -144,7 +144,7 @@ fn calculate_type(tcx: TyCtxt<'_>, ty: CrateType) -> DependencyList { && sess.crt_static(Some(ty)) && !sess.target.crt_static_allows_dylibs) { - for &cnum in tcx.used_crates(()).iter() { + for &cnum in tcx.crates(()).iter() { if tcx.dep_kind(cnum).macros_only() { continue; } @@ -165,7 +165,7 @@ fn calculate_type(tcx: TyCtxt<'_>, ty: CrateType) -> DependencyList { // Sweep all crates for found dylibs. Add all dylibs, as well as their // dependencies, ensuring there are no conflicts. The only valid case for a // dependency to be relied upon twice is for both cases to rely on a dylib. - for &cnum in tcx.used_crates(()).iter() { + for &cnum in tcx.crates(()).iter() { if tcx.dep_kind(cnum).macros_only() { continue; } @@ -183,7 +183,7 @@ fn calculate_type(tcx: TyCtxt<'_>, ty: CrateType) -> DependencyList { } // Collect what we've got so far in the return vector. - let last_crate = tcx.used_crates(()).len(); + let last_crate = tcx.crates(()).len(); let mut ret = (1..last_crate + 1) .map(|cnum| match formats.get(&CrateNum::new(cnum)) { Some(&RequireDynamic) => Linkage::Dynamic, @@ -197,7 +197,7 @@ fn calculate_type(tcx: TyCtxt<'_>, ty: CrateType) -> DependencyList { // // If the crate hasn't been included yet and it's not actually required // (e.g., it's an allocator) then we skip it here as well. - for &cnum in tcx.used_crates(()).iter() { + for &cnum in tcx.crates(()).iter() { let src = tcx.used_crate_source(cnum); if src.dylib.is_none() && !formats.contains_key(&cnum) @@ -285,7 +285,7 @@ fn add_library( fn attempt_static(tcx: TyCtxt<'_>, unavailable: &mut Vec) -> Option { let all_crates_available_as_rlib = tcx - .used_crates(()) + .crates(()) .iter() .copied() .filter_map(|cnum| { @@ -306,7 +306,7 @@ fn attempt_static(tcx: TyCtxt<'_>, unavailable: &mut Vec) -> Option Linkage::Static, diff --git a/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs b/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs index f6b9c7ed9926..afee8d5646c8 100644 --- a/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs +++ b/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs @@ -439,7 +439,7 @@ pub(in crate::rmeta) fn provide(providers: &mut Providers) { // traversal, but not globally minimal across all crates. let bfs_queue = &mut VecDeque::new(); - for &cnum in tcx.crates_including_speculative(()) { + for &cnum in tcx.crates(()) { // Ignore crates without a corresponding local `extern crate` item. if tcx.missing_extern_crate_item(cnum) { continue; @@ -509,7 +509,7 @@ pub(in crate::rmeta) fn provide(providers: &mut Providers) { tcx.arena .alloc_slice(&CStore::from_tcx(tcx).crate_dependencies_in_postorder(LOCAL_CRATE)) }, - crates_including_speculative: |tcx, ()| { + crates: |tcx, ()| { // The list of loaded crates is now frozen in query cache, // so make sure cstore is not mutably accessed from here on. tcx.untracked().cstore.freeze(); diff --git a/compiler/rustc_metadata/src/rmeta/encoder.rs b/compiler/rustc_metadata/src/rmeta/encoder.rs index 4f186981a76f..67c5bc8c786b 100644 --- a/compiler/rustc_metadata/src/rmeta/encoder.rs +++ b/compiler/rustc_metadata/src/rmeta/encoder.rs @@ -1899,7 +1899,7 @@ impl<'a, 'tcx> EncodeContext<'a, 'tcx> { let deps = self .tcx - .crates_including_speculative(()) + .crates(()) .iter() .map(|&cnum| { let dep = CrateDep { diff --git a/compiler/rustc_middle/src/hir/map/mod.rs b/compiler/rustc_middle/src/hir/map/mod.rs index 639c98155e70..3be2af417bfd 100644 --- a/compiler/rustc_middle/src/hir/map/mod.rs +++ b/compiler/rustc_middle/src/hir/map/mod.rs @@ -1040,7 +1040,7 @@ pub(super) fn crate_hash(tcx: TyCtxt<'_>, _: LocalCrate) -> Svh { let krate = tcx.hir_crate(()); let hir_body_hash = krate.opt_hir_hash.expect("HIR hash missing while computing crate hash"); - let upstream_crates = upstream_crates_for_hashing(tcx); + let upstream_crates = upstream_crates(tcx); let resolutions = tcx.resolutions(()); @@ -1109,9 +1109,9 @@ pub(super) fn crate_hash(tcx: TyCtxt<'_>, _: LocalCrate) -> Svh { Svh::new(crate_hash) } -fn upstream_crates_for_hashing(tcx: TyCtxt<'_>) -> Vec<(StableCrateId, Svh)> { +fn upstream_crates(tcx: TyCtxt<'_>) -> Vec<(StableCrateId, Svh)> { let mut upstream_crates: Vec<_> = tcx - .crates_including_speculative(()) + .crates(()) .iter() .map(|&cnum| { let stable_crate_id = tcx.stable_crate_id(cnum); diff --git a/compiler/rustc_middle/src/query/mod.rs b/compiler/rustc_middle/src/query/mod.rs index 3c4aae73bc49..0af32a6a8578 100644 --- a/compiler/rustc_middle/src/query/mod.rs +++ b/compiler/rustc_middle/src/query/mod.rs @@ -1861,22 +1861,13 @@ rustc_queries! { eval_always desc { "calculating the stability index for the local crate" } } - /// All loaded crates, including those loaded purely for doc links or diagnostics. - /// (Diagnostics include lints, so speculatively loaded crates may occur in successful - /// compilation even without doc links.) - /// Should be used when encoding crate metadata (and therefore when generating crate hash, - /// depinfo and similar things), to avoid dangling crate references in other encoded data, - /// like source maps. - /// May also be used for diagnostics - if we are loading a crate anyway we can suggest some - /// items from it as well. - /// But otherwise, `used_crates` should generally be used. - query crates_including_speculative(_: ()) -> &'tcx [CrateNum] { + query crates(_: ()) -> &'tcx [CrateNum] { eval_always desc { "fetching all foreign CrateNum instances" } } - /// Crates that are loaded non-speculatively (not for diagnostics or doc links). - /// Should be used to maintain observable language behavior, for example when collecting lang - /// items or impls from all crates, or collecting libraries to link. + // Crates that are loaded non-speculatively (not for diagnostics or doc links). + // FIXME: This is currently only used for collecting lang items, but should be used instead of + // `crates` in most other cases too. query used_crates(_: ()) -> &'tcx [CrateNum] { eval_always desc { "fetching `CrateNum`s for all crates loaded non-speculatively" } diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index f9a22aa72bee..6b35b1f2d13c 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -1616,7 +1616,7 @@ impl<'tcx> TyCtxt<'tcx> { pub fn all_traits(self) -> impl Iterator + 'tcx { iter::once(LOCAL_CRATE) - .chain(self.used_crates(()).iter().copied()) + .chain(self.crates(()).iter().copied()) .flat_map(move |cnum| self.traits(cnum).iter().copied()) } diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs index 3cfebaa6b57e..49d46eb3c4bf 100644 --- a/compiler/rustc_middle/src/ty/print/pretty.rs +++ b/compiler/rustc_middle/src/ty/print/pretty.rs @@ -3232,7 +3232,7 @@ fn for_each_def(tcx: TyCtxt<'_>, mut collect_fn: impl for<'b> FnMut(&'b Ident, N let queue = &mut Vec::new(); let mut seen_defs: DefIdSet = Default::default(); - for &cnum in tcx.crates_including_speculative(()).iter() { + for &cnum in tcx.crates(()).iter() { let def_id = cnum.as_def_id(); // Ignore crates that are not direct dependencies. diff --git a/compiler/rustc_middle/src/ty/trait_def.rs b/compiler/rustc_middle/src/ty/trait_def.rs index 37a34f283387..4dba97c3b5b8 100644 --- a/compiler/rustc_middle/src/ty/trait_def.rs +++ b/compiler/rustc_middle/src/ty/trait_def.rs @@ -206,7 +206,7 @@ pub(super) fn trait_impls_of_provider(tcx: TyCtxt<'_>, trait_id: DefId) -> Trait // Traits defined in the current crate can't have impls in upstream // crates, so we don't bother querying the cstore. if !trait_id.is_local() { - for &cnum in tcx.used_crates(()).iter() { + for &cnum in tcx.crates(()).iter() { for &(impl_def_id, simplified_self_ty) in tcx.implementations_of_trait((cnum, trait_id)).iter() { @@ -248,7 +248,7 @@ pub(super) fn incoherent_impls_provider( let mut impls = Vec::new(); let mut res = Ok(()); - for cnum in iter::once(LOCAL_CRATE).chain(tcx.used_crates(()).iter().copied()) { + for cnum in iter::once(LOCAL_CRATE).chain(tcx.crates(()).iter().copied()) { let incoherent_impls = match tcx.crate_incoherent_impls((cnum, simp)) { Ok(impls) => impls, Err(e) => { diff --git a/compiler/rustc_passes/src/diagnostic_items.rs b/compiler/rustc_passes/src/diagnostic_items.rs index 78653e5f95a6..906ecdfe5aba 100644 --- a/compiler/rustc_passes/src/diagnostic_items.rs +++ b/compiler/rustc_passes/src/diagnostic_items.rs @@ -82,7 +82,7 @@ fn all_diagnostic_items(tcx: TyCtxt<'_>, (): ()) -> DiagnosticItems { let mut items = DiagnosticItems::default(); // Collect diagnostic items in other crates. - for &cnum in tcx.crates_including_speculative(()).iter().chain(std::iter::once(&LOCAL_CRATE)) { + for &cnum in tcx.crates(()).iter().chain(std::iter::once(&LOCAL_CRATE)) { for (&name, &def_id) in &tcx.diagnostic_items(cnum).name_to_id { collect_item(tcx, &mut items, name, def_id); } diff --git a/compiler/rustc_passes/src/stability.rs b/compiler/rustc_passes/src/stability.rs index 31c709f2eb68..6bdfaf0c9089 100644 --- a/compiler/rustc_passes/src/stability.rs +++ b/compiler/rustc_passes/src/stability.rs @@ -1020,7 +1020,7 @@ pub fn check_unused_or_stable_features(tcx: TyCtxt<'_>) { // stabilization diagnostic, but it can be avoided when there are no // `remaining_lib_features`. let mut all_implications = remaining_implications.clone(); - for &cnum in tcx.used_crates(()) { + for &cnum in tcx.crates(()) { all_implications .extend_unord(tcx.stability_implications(cnum).items().map(|(k, v)| (*k, *v))); } @@ -1033,7 +1033,7 @@ pub fn check_unused_or_stable_features(tcx: TyCtxt<'_>) { &all_implications, ); - for &cnum in tcx.used_crates(()) { + for &cnum in tcx.crates(()) { if remaining_lib_features.is_empty() && remaining_implications.is_empty() { break; } diff --git a/compiler/rustc_passes/src/weak_lang_items.rs b/compiler/rustc_passes/src/weak_lang_items.rs index d80addf12364..90691ca17908 100644 --- a/compiler/rustc_passes/src/weak_lang_items.rs +++ b/compiler/rustc_passes/src/weak_lang_items.rs @@ -68,7 +68,7 @@ fn verify(tcx: TyCtxt<'_>, items: &lang_items::LanguageItems) { } let mut missing = FxHashSet::default(); - for &cnum in tcx.used_crates(()).iter() { + for &cnum in tcx.crates(()).iter() { for &item in tcx.missing_lang_items(cnum).iter() { missing.insert(item); } diff --git a/compiler/rustc_smir/src/rustc_smir/context.rs b/compiler/rustc_smir/src/rustc_smir/context.rs index 8b09c5aef2f9..a8688c88601c 100644 --- a/compiler/rustc_smir/src/rustc_smir/context.rs +++ b/compiler/rustc_smir/src/rustc_smir/context.rs @@ -126,7 +126,7 @@ impl<'tcx> Context for TablesWrapper<'tcx> { let mut tables = self.0.borrow_mut(); let tcx = tables.tcx; iter::once(LOCAL_CRATE) - .chain(tables.tcx.used_crates(()).iter().copied()) + .chain(tables.tcx.crates(()).iter().copied()) .flat_map(|cnum| tcx.trait_impls_in_crate(cnum).iter()) .map(|impl_def_id| tables.impl_def(*impl_def_id)) .collect() @@ -201,19 +201,14 @@ impl<'tcx> Context for TablesWrapper<'tcx> { fn external_crates(&self) -> Vec { let tables = self.0.borrow(); - tables - .tcx - .used_crates(()) - .iter() - .map(|crate_num| smir_crate(tables.tcx, *crate_num)) - .collect() + tables.tcx.crates(()).iter().map(|crate_num| smir_crate(tables.tcx, *crate_num)).collect() } fn find_crates(&self, name: &str) -> Vec { let tables = self.0.borrow(); let crates: Vec = [LOCAL_CRATE] .iter() - .chain(tables.tcx.used_crates(()).iter()) + .chain(tables.tcx.crates(()).iter()) .filter_map(|crate_num| { let crate_name = tables.tcx.crate_name(*crate_num).to_string(); (name == crate_name).then(|| smir_crate(tables.tcx, *crate_num)) diff --git a/src/librustdoc/clean/types.rs b/src/librustdoc/clean/types.rs index 28d3d5644432..69678b727c11 100644 --- a/src/librustdoc/clean/types.rs +++ b/src/librustdoc/clean/types.rs @@ -1936,7 +1936,7 @@ impl PrimitiveType { let mut primitive_locations = FxHashMap::default(); // NOTE: technically this misses crates that are only passed with `--extern` and not loaded when checking the crate. // This is a degenerate case that I don't plan to support. - for &crate_num in tcx.crates_including_speculative(()) { + for &crate_num in tcx.crates(()) { let e = ExternalCrate { crate_num }; let crate_name = e.name(tcx); debug!(?crate_num, ?crate_name); diff --git a/src/librustdoc/core.rs b/src/librustdoc/core.rs index ccd5dadb20a0..ce098a1bcfbf 100644 --- a/src/librustdoc/core.rs +++ b/src/librustdoc/core.rs @@ -347,7 +347,7 @@ pub(crate) fn run_global_ctxt( show_coverage, }; - for cnum in tcx.crates_including_speculative(()) { + for cnum in tcx.crates(()) { crate::visit_lib::lib_embargo_visit_item(&mut ctxt, cnum.as_def_id()); } diff --git a/src/librustdoc/formats/cache.rs b/src/librustdoc/formats/cache.rs index 28ddf76a3a69..a3b88a880f2a 100644 --- a/src/librustdoc/formats/cache.rs +++ b/src/librustdoc/formats/cache.rs @@ -155,7 +155,7 @@ impl Cache { // Cache where all our extern crates are located // FIXME: this part is specific to HTML so it'd be nice to remove it from the common code - for &crate_num in tcx.crates_including_speculative(()) { + for &crate_num in tcx.crates(()) { let e = ExternalCrate { crate_num }; let name = e.name(tcx); diff --git a/src/librustdoc/passes/collect_trait_impls.rs b/src/librustdoc/passes/collect_trait_impls.rs index 22daac9efb15..c92cf9d3e80d 100644 --- a/src/librustdoc/passes/collect_trait_impls.rs +++ b/src/librustdoc/passes/collect_trait_impls.rs @@ -47,7 +47,7 @@ pub(crate) fn collect_trait_impls(mut krate: Crate, cx: &mut DocContext<'_>) -> // External trait impls. { let _prof_timer = tcx.sess.prof.generic_activity("build_extern_trait_impls"); - for &cnum in tcx.crates_including_speculative(()) { + for &cnum in tcx.crates(()) { for &impl_def_id in tcx.trait_impls_in_crate(cnum) { cx.with_param_env(impl_def_id, |cx| { inline::build_impl(cx, impl_def_id, None, &mut new_items_external); diff --git a/src/librustdoc/scrape_examples.rs b/src/librustdoc/scrape_examples.rs index 64753a58a2bf..e9b380fdeac6 100644 --- a/src/librustdoc/scrape_examples.rs +++ b/src/librustdoc/scrape_examples.rs @@ -283,7 +283,7 @@ pub(crate) fn run( // Collect CrateIds corresponding to provided target crates // If two different versions of the crate in the dependency tree, then examples will be collected from both. let all_crates = tcx - .crates_including_speculative(()) + .crates(()) .iter() .chain([&LOCAL_CRATE]) .map(|crate_num| (crate_num, tcx.crate_name(*crate_num))) diff --git a/src/tools/clippy/clippy_utils/src/lib.rs b/src/tools/clippy/clippy_utils/src/lib.rs index 1147dce6215f..2f6bf9209677 100644 --- a/src/tools/clippy/clippy_utils/src/lib.rs +++ b/src/tools/clippy/clippy_utils/src/lib.rs @@ -647,7 +647,7 @@ fn item_children_by_name(tcx: TyCtxt<'_>, def_id: DefId, name: Symbol) -> Vec, path: &[&str]) -> Vec { fn find_crates(tcx: TyCtxt<'_>, name: Symbol) -> impl Iterator + '_ { - tcx.crates_including_speculative(()) + tcx.crates(()) .iter() .copied() .filter(move |&num| tcx.crate_name(num) == name) diff --git a/src/tools/miri/src/helpers.rs b/src/tools/miri/src/helpers.rs index 5c3b8f2d2a05..c3282c1af036 100644 --- a/src/tools/miri/src/helpers.rs +++ b/src/tools/miri/src/helpers.rs @@ -126,7 +126,7 @@ fn try_resolve_did(tcx: TyCtxt<'_>, path: &[&str], namespace: Option) // the one in the sysroot and the one locally built by `cargo test`.) // FIXME: can we prefer the one from the sysroot? 'crates: for krate in - tcx.used_crates(()).iter().filter(|&&krate| tcx.crate_name(krate).as_str() == crate_name) + tcx.crates(()).iter().filter(|&&krate| tcx.crate_name(krate).as_str() == crate_name) { let mut cur_item = DefId { krate: *krate, index: CRATE_DEF_INDEX }; // Go over the modules. @@ -1364,7 +1364,7 @@ pub fn get_local_crates(tcx: TyCtxt<'_>) -> Vec { .map(|crates| crates.split(',').map(|krate| krate.to_string()).collect::>()) .unwrap_or_default(); let mut local_crates = Vec::new(); - for &crate_num in tcx.crates_including_speculative(()) { + for &crate_num in tcx.crates(()) { let name = tcx.crate_name(crate_num); let name = name.as_str(); if local_crate_names.iter().any(|local_name| local_name == name) { diff --git a/tests/ui/extern-flag/empty-extern-arg.stderr b/tests/ui/extern-flag/empty-extern-arg.stderr index 6ad3effe0e26..2785b12a0aef 100644 --- a/tests/ui/extern-flag/empty-extern-arg.stderr +++ b/tests/ui/extern-flag/empty-extern-arg.stderr @@ -1,6 +1,13 @@ error: extern location for std does not exist: +error: `#[panic_handler]` function required, but not found + +error: unwinding panics are not supported without std + | + = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding + = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem + error: requires `sized` lang_item -error: aborting due to 2 previous errors +error: aborting due to 4 previous errors From 9ddf5726f00707015a622a33733c7a8c60cb22fc Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?R=C3=A9my=20Rakic?= Date: Wed, 29 May 2024 09:29:16 +0000 Subject: [PATCH 1077/1716] add non-regression run-make test for issues 125474, 125484, and 125646 --- .../dependency.rs | 1 + .../issue-125484-used-dependencies/main.rs | 9 +++++++++ .../issue-125484-used-dependencies/rmake.rs | 18 ++++++++++++++++++ 3 files changed, 28 insertions(+) create mode 100644 tests/run-make/issue-125484-used-dependencies/dependency.rs create mode 100644 tests/run-make/issue-125484-used-dependencies/main.rs create mode 100644 tests/run-make/issue-125484-used-dependencies/rmake.rs diff --git a/tests/run-make/issue-125484-used-dependencies/dependency.rs b/tests/run-make/issue-125484-used-dependencies/dependency.rs new file mode 100644 index 000000000000..d15abba59766 --- /dev/null +++ b/tests/run-make/issue-125484-used-dependencies/dependency.rs @@ -0,0 +1 @@ +// Empty diff --git a/tests/run-make/issue-125484-used-dependencies/main.rs b/tests/run-make/issue-125484-used-dependencies/main.rs new file mode 100644 index 000000000000..0c1a1f8208ad --- /dev/null +++ b/tests/run-make/issue-125484-used-dependencies/main.rs @@ -0,0 +1,9 @@ +pub type Foo = something::same::Thing; + +mod something { + pub mod same { + pub struct Thing; + } +} + +fn main() {} diff --git a/tests/run-make/issue-125484-used-dependencies/rmake.rs b/tests/run-make/issue-125484-used-dependencies/rmake.rs new file mode 100644 index 000000000000..b75e82b42db7 --- /dev/null +++ b/tests/run-make/issue-125484-used-dependencies/rmake.rs @@ -0,0 +1,18 @@ +// Non-regression test for issues #125474, #125484, #125646, with the repro taken from #125484. Some +// queries use "used dependencies" while others use "speculatively loaded dependencies", and an +// indexing ICE appeared in some cases when these were unexpectedly used in the same context. + +// FIXME: this should probably be a UI test instead of a run-make test, but I *cannot* find a way to +// make compiletest annotations reproduce the ICE with the minimizations from issues #125474 and +// #125484. + +use run_make_support::{rustc, tmp_dir}; + +fn main() { + // The dependency is not itself significant, apart from sharing a name with one of main's + // modules. + rustc().crate_name("same").crate_type("rlib").input("dependency.rs").run(); + + // Here, an ICE would happen when building the linker command. + rustc().input("main.rs").extern_("same", tmp_dir().join("libsame.rlib")).run(); +} From c245cde61cbe914dcf5c46a072a2b3cd0c694f0b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?R=C3=A9my=20Rakic?= Date: Thu, 6 Jun 2024 09:45:50 +0000 Subject: [PATCH 1078/1716] Revert "Rollup merge of #124976 - petrochenkov:usedcrates, r=oli-obk" This reverts commit eda4a35f365535af72118118a3597edf5a13c12d, reversing changes made to eb6b35b5bcb3c2a594cb29cd478aeb2893f49d30. --- clippy_utils/src/lib.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/clippy_utils/src/lib.rs b/clippy_utils/src/lib.rs index 1147dce6215f..2f6bf9209677 100644 --- a/clippy_utils/src/lib.rs +++ b/clippy_utils/src/lib.rs @@ -647,7 +647,7 @@ fn item_children_by_name(tcx: TyCtxt<'_>, def_id: DefId, name: Symbol) -> Vec, path: &[&str]) -> Vec { fn find_crates(tcx: TyCtxt<'_>, name: Symbol) -> impl Iterator + '_ { - tcx.crates_including_speculative(()) + tcx.crates(()) .iter() .copied() .filter(move |&num| tcx.crate_name(num) == name) From c74efbca71243fd3ccac0669d6a3d7297e49b69b Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Mon, 27 May 2024 14:29:37 -0400 Subject: [PATCH 1079/1716] Make middle not rely on next_trait_solver --- Cargo.lock | 1 - compiler/rustc_middle/Cargo.toml | 1 - compiler/rustc_middle/src/arena.rs | 2 +- compiler/rustc_middle/src/traits/mod.rs | 2 +- compiler/rustc_middle/src/traits/query.rs | 2 +- compiler/rustc_middle/src/traits/solve.rs | 4 ++-- 6 files changed, 5 insertions(+), 7 deletions(-) diff --git a/Cargo.lock b/Cargo.lock index 0e950e288072..99cb7196544e 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -4392,7 +4392,6 @@ dependencies = [ "rustc_hir_pretty", "rustc_index", "rustc_macros", - "rustc_next_trait_solver", "rustc_query_system", "rustc_serialize", "rustc_session", diff --git a/compiler/rustc_middle/Cargo.toml b/compiler/rustc_middle/Cargo.toml index ab0c598ea0c1..d1cdabc293dd 100644 --- a/compiler/rustc_middle/Cargo.toml +++ b/compiler/rustc_middle/Cargo.toml @@ -28,7 +28,6 @@ rustc_hir = { path = "../rustc_hir" } rustc_hir_pretty = { path = "../rustc_hir_pretty" } rustc_index = { path = "../rustc_index" } rustc_macros = { path = "../rustc_macros" } -rustc_next_trait_solver = { path = "../rustc_next_trait_solver" } rustc_query_system = { path = "../rustc_query_system" } rustc_serialize = { path = "../rustc_serialize" } rustc_session = { path = "../rustc_session" } diff --git a/compiler/rustc_middle/src/arena.rs b/compiler/rustc_middle/src/arena.rs index bf6ab8000645..de786c38326f 100644 --- a/compiler/rustc_middle/src/arena.rs +++ b/compiler/rustc_middle/src/arena.rs @@ -62,7 +62,7 @@ macro_rules! arena_types { [] candidate_step: rustc_middle::traits::query::CandidateStep<'tcx>, [] autoderef_bad_ty: rustc_middle::traits::query::MethodAutoderefBadTy<'tcx>, [] canonical_goal_evaluation: - rustc_next_trait_solver::solve::inspect::CanonicalGoalEvaluationStep< + rustc_type_ir::solve::inspect::CanonicalGoalEvaluationStep< rustc_middle::ty::TyCtxt<'tcx> >, [] query_region_constraints: rustc_middle::infer::canonical::QueryRegionConstraints<'tcx>, diff --git a/compiler/rustc_middle/src/traits/mod.rs b/compiler/rustc_middle/src/traits/mod.rs index 63678ab659df..202d587f0ad2 100644 --- a/compiler/rustc_middle/src/traits/mod.rs +++ b/compiler/rustc_middle/src/traits/mod.rs @@ -32,7 +32,7 @@ use std::hash::{Hash, Hasher}; pub use self::select::{EvaluationCache, EvaluationResult, OverflowError, SelectionCache}; // FIXME: Remove this import and import via `solve::` -pub use rustc_next_trait_solver::solve::BuiltinImplSource; +pub use rustc_type_ir::solve::BuiltinImplSource; /// Depending on the stage of compilation, we want projection to be /// more or less conservative. diff --git a/compiler/rustc_middle/src/traits/query.rs b/compiler/rustc_middle/src/traits/query.rs index 66e50307733d..3e9a2cb05fed 100644 --- a/compiler/rustc_middle/src/traits/query.rs +++ b/compiler/rustc_middle/src/traits/query.rs @@ -13,7 +13,7 @@ use crate::ty::{self, Ty, TyCtxt}; use rustc_macros::{HashStable, TypeFoldable, TypeVisitable}; use rustc_span::Span; // FIXME: Remove this import and import via `traits::solve`. -pub use rustc_next_trait_solver::solve::NoSolution; +pub use rustc_type_ir::solve::NoSolution; pub mod type_op { use crate::ty::fold::TypeFoldable; diff --git a/compiler/rustc_middle/src/traits/solve.rs b/compiler/rustc_middle/src/traits/solve.rs index c8c16ec1e2ce..0d9ce402c64e 100644 --- a/compiler/rustc_middle/src/traits/solve.rs +++ b/compiler/rustc_middle/src/traits/solve.rs @@ -1,8 +1,8 @@ use rustc_ast_ir::try_visit; use rustc_data_structures::intern::Interned; use rustc_macros::{HashStable, TypeFoldable, TypeVisitable}; -use rustc_next_trait_solver as ir; -pub use rustc_next_trait_solver::solve::*; +use rustc_type_ir as ir; +pub use rustc_type_ir::solve::*; use crate::infer::canonical::QueryRegionConstraints; use crate::ty::{ From 82ef3ad98031377e20634d1f9f4aa3039db40025 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Mon, 27 May 2024 16:12:28 -0400 Subject: [PATCH 1080/1716] Uplift TypeError --- .../rustc_hir_analysis/src/check/check.rs | 1 + compiler/rustc_hir_typeck/src/expr.rs | 5 +- .../src/infer/error_reporting/mod.rs | 1 + .../infer/error_reporting/note_and_explain.rs | 7 +- .../infer/region_constraints/leak_check.rs | 2 +- compiler/rustc_middle/src/traits/query.rs | 7 - compiler/rustc_middle/src/ty/error.rs | 163 +++++------------- compiler/rustc_middle/src/ty/mod.rs | 32 ---- .../rustc_middle/src/ty/structural_impls.rs | 8 +- .../src/traits/error_reporting/suggestions.rs | 12 +- .../src/traits/select/mod.rs | 1 + compiler/rustc_type_ir/src/error.rs | 106 ++++++++++++ compiler/rustc_type_ir/src/lib.rs | 7 +- compiler/rustc_type_ir/src/macros.rs | 20 ++- compiler/rustc_type_ir/src/predicate.rs | 33 ++++ compiler/rustc_type_ir/src/solve.rs | 6 +- 16 files changed, 217 insertions(+), 194 deletions(-) create mode 100644 compiler/rustc_type_ir/src/error.rs diff --git a/compiler/rustc_hir_analysis/src/check/check.rs b/compiler/rustc_hir_analysis/src/check/check.rs index 8a0623ef93e3..72e5995e892e 100644 --- a/compiler/rustc_hir_analysis/src/check/check.rs +++ b/compiler/rustc_hir_analysis/src/check/check.rs @@ -15,6 +15,7 @@ use rustc_lint_defs::builtin::REPR_TRANSPARENT_EXTERNAL_PRIVATE_FIELDS; use rustc_middle::middle::resolve_bound_vars::ResolvedArg; use rustc_middle::middle::stability::EvalResult; use rustc_middle::span_bug; +use rustc_middle::ty::error::TypeErrorToStringExt; use rustc_middle::ty::fold::BottomUpFolder; use rustc_middle::ty::layout::{LayoutError, MAX_SIMD_LANES}; use rustc_middle::ty::util::{Discr, InspectCoroutineFields, IntTypeExt}; diff --git a/compiler/rustc_hir_typeck/src/expr.rs b/compiler/rustc_hir_typeck/src/expr.rs index 7dd7b3ff055e..f0f32ae07a95 100644 --- a/compiler/rustc_hir_typeck/src/expr.rs +++ b/compiler/rustc_hir_typeck/src/expr.rs @@ -40,7 +40,7 @@ use rustc_infer::infer::InferOk; use rustc_infer::traits::query::NoSolution; use rustc_infer::traits::ObligationCause; use rustc_middle::ty::adjustment::{Adjust, Adjustment, AllowTwoPhase}; -use rustc_middle::ty::error::{ExpectedFound, TypeError::Sorts}; +use rustc_middle::ty::error::{ExpectedFound, TypeError}; use rustc_middle::ty::GenericArgsRef; use rustc_middle::ty::{self, AdtKind, Ty, TypeVisitableExt}; use rustc_middle::{bug, span_bug}; @@ -682,7 +682,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { self.suggest_mismatched_types_on_tail( &mut err, expr, ty, e_ty, target_id, ); - let error = Some(Sorts(ExpectedFound { expected: ty, found: e_ty })); + let error = + Some(TypeError::Sorts(ExpectedFound { expected: ty, found: e_ty })); self.annotate_loop_expected_due_to_inference(err, expr, error); if let Some(val) = self.err_ctxt().ty_kind_suggestion(self.param_env, ty) diff --git a/compiler/rustc_infer/src/infer/error_reporting/mod.rs b/compiler/rustc_infer/src/infer/error_reporting/mod.rs index fe0a246abbc6..cee87f8f6e4d 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/mod.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/mod.rs @@ -71,6 +71,7 @@ use rustc_hir::lang_items::LangItem; use rustc_macros::extension; use rustc_middle::bug; use rustc_middle::dep_graph::DepContext; +use rustc_middle::ty::error::TypeErrorToStringExt; use rustc_middle::ty::print::{with_forced_trimmed_paths, PrintError, PrintTraitRefExt as _}; use rustc_middle::ty::relate::{self, RelateResult, TypeRelation}; use rustc_middle::ty::Upcast; diff --git a/compiler/rustc_infer/src/infer/error_reporting/note_and_explain.rs b/compiler/rustc_infer/src/infer/error_reporting/note_and_explain.rs index 19ef2d61fca3..b88677b3a4ec 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/note_and_explain.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/note_and_explain.rs @@ -21,13 +21,12 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { sp: Span, body_owner_def_id: DefId, ) { - use ty::error::TypeError::*; debug!("note_and_explain_type_err err={:?} cause={:?}", err, cause); let tcx = self.tcx; match err { - ArgumentSorts(values, _) | Sorts(values) => { + TypeError::ArgumentSorts(values, _) | TypeError::Sorts(values) => { match (*values.expected.kind(), *values.found.kind()) { (ty::Closure(..), ty::Closure(..)) => { diag.note("no two closures, even if identical, have the same type"); @@ -483,7 +482,7 @@ impl Trait for X { values.found.kind(), ); } - CyclicTy(ty) => { + TypeError::CyclicTy(ty) => { // Watch out for various cases of cyclic types and try to explain. if ty.is_closure() || ty.is_coroutine() || ty.is_coroutine_closure() { diag.note( @@ -494,7 +493,7 @@ impl Trait for X { ); } } - TargetFeatureCast(def_id) => { + TypeError::TargetFeatureCast(def_id) => { let target_spans = tcx.get_attrs(def_id, sym::target_feature).map(|attr| attr.span); diag.note( "functions with `#[target_feature]` can only be coerced to `unsafe` function pointers" diff --git a/compiler/rustc_infer/src/infer/region_constraints/leak_check.rs b/compiler/rustc_infer/src/infer/region_constraints/leak_check.rs index 255ca52d3e98..d05ac1d81518 100644 --- a/compiler/rustc_infer/src/infer/region_constraints/leak_check.rs +++ b/compiler/rustc_infer/src/infer/region_constraints/leak_check.rs @@ -276,7 +276,7 @@ impl<'a, 'b, 'tcx> LeakCheck<'a, 'b, 'tcx> { other_region: ty::Region<'tcx>, ) -> TypeError<'tcx> { debug!("error: placeholder={:?}, other_region={:?}", placeholder, other_region); - TypeError::RegionsInsufficientlyPolymorphic(placeholder.bound.kind, other_region) + TypeError::RegionsInsufficientlyPolymorphic(placeholder.bound, other_region) } } diff --git a/compiler/rustc_middle/src/traits/query.rs b/compiler/rustc_middle/src/traits/query.rs index 3e9a2cb05fed..50b6c77e1b29 100644 --- a/compiler/rustc_middle/src/traits/query.rs +++ b/compiler/rustc_middle/src/traits/query.rs @@ -7,7 +7,6 @@ use crate::error::DropCheckOverflow; use crate::infer::canonical::{Canonical, QueryResponse}; -use crate::ty::error::TypeError; use crate::ty::GenericArg; use crate::ty::{self, Ty, TyCtxt}; use rustc_macros::{HashStable, TypeFoldable, TypeVisitable}; @@ -91,12 +90,6 @@ pub type CanonicalTypeOpProvePredicateGoal<'tcx> = pub type CanonicalTypeOpNormalizeGoal<'tcx, T> = Canonical<'tcx, ty::ParamEnvAnd<'tcx, type_op::Normalize>>; -impl<'tcx> From> for NoSolution { - fn from(_: TypeError<'tcx>) -> NoSolution { - NoSolution - } -} - #[derive(Clone, Debug, Default, HashStable, TypeFoldable, TypeVisitable)] pub struct DropckOutlivesResult<'tcx> { pub kinds: Vec>, diff --git a/compiler/rustc_middle/src/ty/error.rs b/compiler/rustc_middle/src/ty/error.rs index 9e2c626478ac..32dc9fa5fc62 100644 --- a/compiler/rustc_middle/src/ty/error.rs +++ b/compiler/rustc_middle/src/ty/error.rs @@ -1,89 +1,26 @@ use crate::ty::print::{with_forced_trimmed_paths, FmtPrinter, PrettyPrinter}; -use crate::ty::{self, BoundRegionKind, Region, Ty, TyCtxt}; +use crate::ty::{self, Ty, TyCtxt}; + use rustc_errors::pluralize; use rustc_hir as hir; use rustc_hir::def::{CtorOf, DefKind}; -use rustc_hir::def_id::DefId; -use rustc_macros::{TypeFoldable, TypeVisitable}; -use rustc_span::symbol::Symbol; -use rustc_target::spec::abi; +use rustc_macros::extension; +pub use rustc_type_ir::error::ExpectedFound; + use std::borrow::Cow; use std::hash::{DefaultHasher, Hash, Hasher}; use std::path::PathBuf; -#[derive(Clone, Copy, Debug, PartialEq, Eq, TypeFoldable, TypeVisitable)] -pub struct ExpectedFound { - pub expected: T, - pub found: T, -} +pub type TypeError<'tcx> = rustc_type_ir::error::TypeError>; -impl ExpectedFound { - pub fn new(a_is_expected: bool, a: T, b: T) -> Self { - if a_is_expected { - ExpectedFound { expected: a, found: b } - } else { - ExpectedFound { expected: b, found: a } - } - } -} - -// Data structures used in type unification -#[derive(Copy, Clone, Debug, TypeVisitable, PartialEq, Eq)] -#[rustc_pass_by_value] -pub enum TypeError<'tcx> { - Mismatch, - ConstnessMismatch(ExpectedFound), - PolarityMismatch(ExpectedFound), - SafetyMismatch(ExpectedFound), - AbiMismatch(ExpectedFound), - Mutability, - ArgumentMutability(usize), - TupleSize(ExpectedFound), - FixedArraySize(ExpectedFound), - ArgCount, - FieldMisMatch(Symbol, Symbol), - - RegionsDoesNotOutlive(Region<'tcx>, Region<'tcx>), - RegionsInsufficientlyPolymorphic(BoundRegionKind, Region<'tcx>), - RegionsPlaceholderMismatch, - - Sorts(ExpectedFound>), - ArgumentSorts(ExpectedFound>, usize), - Traits(ExpectedFound), - VariadicMismatch(ExpectedFound), - - /// Instantiating a type variable with the given type would have - /// created a cycle (because it appears somewhere within that - /// type). - CyclicTy(Ty<'tcx>), - CyclicConst(ty::Const<'tcx>), - ProjectionMismatched(ExpectedFound), - ExistentialMismatch(ExpectedFound<&'tcx ty::List>>), - ConstMismatch(ExpectedFound>), - - IntrinsicCast, - /// Safe `#[target_feature]` functions are not assignable to safe function pointers. - TargetFeatureCast(DefId), -} - -impl TypeError<'_> { - pub fn involves_regions(self) -> bool { - match self { - TypeError::RegionsDoesNotOutlive(_, _) - | TypeError::RegionsInsufficientlyPolymorphic(_, _) - | TypeError::RegionsPlaceholderMismatch => true, - _ => false, - } - } -} - -/// Explains the source of a type err in a short, human readable way. This is meant to be placed -/// in parentheses after some larger message. You should also invoke `note_and_explain_type_err()` -/// afterwards to present additional details, particularly when it comes to lifetime-related -/// errors. +/// Explains the source of a type err in a short, human readable way. +/// This is meant to be placed in parentheses after some larger message. +/// You should also invoke `note_and_explain_type_err()` afterwards +/// to present additional details, particularly when it comes to lifetime- +/// related errors. +#[extension(pub trait TypeErrorToStringExt<'tcx>)] impl<'tcx> TypeError<'tcx> { - pub fn to_string(self, tcx: TyCtxt<'tcx>) -> Cow<'static, str> { - use self::TypeError::*; + fn to_string(self, tcx: TyCtxt<'tcx>) -> Cow<'static, str> { fn report_maybe_different(expected: &str, found: &str) -> String { // A naive approach to making sure that we're not reporting silly errors such as: // (expected closure, found closure). @@ -95,24 +32,26 @@ impl<'tcx> TypeError<'tcx> { } match self { - CyclicTy(_) => "cyclic type of infinite size".into(), - CyclicConst(_) => "encountered a self-referencing constant".into(), - Mismatch => "types differ".into(), - ConstnessMismatch(values) => { + TypeError::CyclicTy(_) => "cyclic type of infinite size".into(), + TypeError::CyclicConst(_) => "encountered a self-referencing constant".into(), + TypeError::Mismatch => "types differ".into(), + TypeError::ConstnessMismatch(values) => { format!("expected {} bound, found {} bound", values.expected, values.found).into() } - PolarityMismatch(values) => { + TypeError::PolarityMismatch(values) => { format!("expected {} polarity, found {} polarity", values.expected, values.found) .into() } - SafetyMismatch(values) => { + TypeError::SafetyMismatch(values) => { format!("expected {} fn, found {} fn", values.expected, values.found).into() } - AbiMismatch(values) => { + TypeError::AbiMismatch(values) => { format!("expected {} fn, found {} fn", values.expected, values.found).into() } - ArgumentMutability(_) | Mutability => "types differ in mutability".into(), - TupleSize(values) => format!( + TypeError::ArgumentMutability(_) | TypeError::Mutability => { + "types differ in mutability".into() + } + TypeError::TupleSize(values) => format!( "expected a tuple with {} element{}, found one with {} element{}", values.expected, pluralize!(values.expected), @@ -120,7 +59,7 @@ impl<'tcx> TypeError<'tcx> { pluralize!(values.found) ) .into(), - FixedArraySize(values) => format!( + TypeError::FixedArraySize(values) => format!( "expected an array with a fixed size of {} element{}, found one with {} element{}", values.expected, pluralize!(values.expected), @@ -128,20 +67,21 @@ impl<'tcx> TypeError<'tcx> { pluralize!(values.found) ) .into(), - ArgCount => "incorrect number of function parameters".into(), - FieldMisMatch(adt, field) => format!("field type mismatch: {adt}.{field}").into(), - RegionsDoesNotOutlive(..) => "lifetime mismatch".into(), + TypeError::ArgCount => "incorrect number of function parameters".into(), + TypeError::RegionsDoesNotOutlive(..) => "lifetime mismatch".into(), // Actually naming the region here is a bit confusing because context is lacking - RegionsInsufficientlyPolymorphic(..) => { + TypeError::RegionsInsufficientlyPolymorphic(..) => { "one type is more general than the other".into() } - RegionsPlaceholderMismatch => "one type is more general than the other".into(), - ArgumentSorts(values, _) | Sorts(values) => { + TypeError::RegionsPlaceholderMismatch => { + "one type is more general than the other".into() + } + TypeError::ArgumentSorts(values, _) | TypeError::Sorts(values) => { let expected = values.expected.sort_string(tcx); let found = values.found.sort_string(tcx); report_maybe_different(&expected, &found).into() } - Traits(values) => { + TypeError::Traits(values) => { let (mut expected, mut found) = with_forced_trimmed_paths!(( tcx.def_path_str(values.expected), tcx.def_path_str(values.found), @@ -153,59 +93,34 @@ impl<'tcx> TypeError<'tcx> { report_maybe_different(&format!("trait `{expected}`"), &format!("trait `{found}`")) .into() } - VariadicMismatch(ref values) => format!( + TypeError::VariadicMismatch(ref values) => format!( "expected {} fn, found {} function", if values.expected { "variadic" } else { "non-variadic" }, if values.found { "variadic" } else { "non-variadic" } ) .into(), - ProjectionMismatched(ref values) => format!( + TypeError::ProjectionMismatched(ref values) => format!( "expected `{}`, found `{}`", tcx.def_path_str(values.expected), tcx.def_path_str(values.found) ) .into(), - ExistentialMismatch(ref values) => report_maybe_different( + TypeError::ExistentialMismatch(ref values) => report_maybe_different( &format!("trait `{}`", values.expected), &format!("trait `{}`", values.found), ) .into(), - ConstMismatch(ref values) => { + TypeError::ConstMismatch(ref values) => { format!("expected `{}`, found `{}`", values.expected, values.found).into() } - IntrinsicCast => "cannot coerce intrinsics to function pointers".into(), - TargetFeatureCast(_) => { + TypeError::IntrinsicCast => "cannot coerce intrinsics to function pointers".into(), + TypeError::TargetFeatureCast(_) => { "cannot coerce functions with `#[target_feature]` to safe function pointers".into() } } } } -impl<'tcx> TypeError<'tcx> { - pub fn must_include_note(self) -> bool { - use self::TypeError::*; - match self { - CyclicTy(_) | CyclicConst(_) | SafetyMismatch(_) | ConstnessMismatch(_) - | PolarityMismatch(_) | Mismatch | AbiMismatch(_) | FixedArraySize(_) - | ArgumentSorts(..) | Sorts(_) | VariadicMismatch(_) | TargetFeatureCast(_) => false, - - Mutability - | ArgumentMutability(_) - | TupleSize(_) - | ArgCount - | FieldMisMatch(..) - | RegionsDoesNotOutlive(..) - | RegionsInsufficientlyPolymorphic(..) - | RegionsPlaceholderMismatch - | Traits(_) - | ProjectionMismatched(_) - | ExistentialMismatch(_) - | ConstMismatch(_) - | IntrinsicCast => true, - } - } -} - impl<'tcx> Ty<'tcx> { pub fn sort_string(self, tcx: TyCtxt<'tcx>) -> Cow<'static, str> { match *self.kind() { diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs index e0fbf127e708..131c62d6d19f 100644 --- a/compiler/rustc_middle/src/ty/mod.rs +++ b/compiler/rustc_middle/src/ty/mod.rs @@ -313,38 +313,6 @@ impl Visibility { } } -#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash, HashStable, TyEncodable, TyDecodable)] -pub enum BoundConstness { - /// `Type: Trait` - NotConst, - /// `Type: const Trait` - Const, - /// `Type: ~const Trait` - /// - /// Requires resolving to const only when we are in a const context. - ConstIfConst, -} - -impl BoundConstness { - pub fn as_str(self) -> &'static str { - match self { - Self::NotConst => "", - Self::Const => "const", - Self::ConstIfConst => "~const", - } - } -} - -impl fmt::Display for BoundConstness { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - match self { - Self::NotConst => f.write_str("normal"), - Self::Const => f.write_str("const"), - Self::ConstIfConst => f.write_str("~const"), - } - } -} - #[derive(Clone, Debug, PartialEq, Eq, Copy, Hash, TyEncodable, TyDecodable, HashStable)] #[derive(TypeFoldable, TypeVisitable)] pub struct ClosureSizeProfileData<'tcx> { diff --git a/compiler/rustc_middle/src/ty/structural_impls.rs b/compiler/rustc_middle/src/ty/structural_impls.rs index cf4854d13646..cc6b1d57f870 100644 --- a/compiler/rustc_middle/src/ty/structural_impls.rs +++ b/compiler/rustc_middle/src/ty/structural_impls.rs @@ -296,7 +296,6 @@ TrivialTypeTraversalImpls! { ::rustc_target::abi::FieldIdx, ::rustc_target::abi::VariantIdx, crate::middle::region::Scope, - crate::ty::FloatTy, ::rustc_ast::InlineAsmOptions, ::rustc_ast::InlineAsmTemplatePiece, ::rustc_ast::NodeId, @@ -316,7 +315,7 @@ TrivialTypeTraversalImpls! { crate::traits::Reveal, crate::ty::adjustment::AutoBorrowMutability, crate::ty::AdtKind, - crate::ty::BoundConstness, + crate::ty::BoundRegion, // Including `BoundRegionKind` is a *bit* dubious, but direct // references to bound region appear in `ty::Error`, and aren't // really meant to be folded. In general, we can only fold a fully @@ -324,16 +323,11 @@ TrivialTypeTraversalImpls! { crate::ty::BoundRegionKind, crate::ty::AssocItem, crate::ty::AssocKind, - crate::ty::AliasTyKind, crate::ty::Placeholder, crate::ty::Placeholder, crate::ty::Placeholder, crate::ty::LateParamRegion, - crate::ty::InferTy, - crate::ty::IntVarValue, crate::ty::adjustment::PointerCoercion, - crate::ty::RegionVid, - crate::ty::Variance, ::rustc_span::Span, ::rustc_span::symbol::Ident, ::rustc_errors::ErrorGuaranteed, diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs index 6a96a03e047f..c7da85bd1cc4 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs @@ -28,7 +28,7 @@ use rustc_infer::infer::{BoundRegionConversionTime, DefineOpaqueTypes, InferOk}; use rustc_macros::extension; use rustc_middle::hir::map; use rustc_middle::traits::IsConstable; -use rustc_middle::ty::error::TypeError::{self, Sorts}; +use rustc_middle::ty::error::TypeError; use rustc_middle::ty::print::PrintPolyTraitRefExt; use rustc_middle::ty::{ self, suggest_arbitrary_trait_bound, suggest_constraining_type_param, AdtKind, GenericArgs, @@ -3842,7 +3842,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { && let Some(failed_pred) = failed_pred.as_projection_clause() && let Some(found) = failed_pred.skip_binder().term.as_type() { - type_diffs = vec![Sorts(ty::error::ExpectedFound { + type_diffs = vec![TypeError::Sorts(ty::error::ExpectedFound { expected: where_pred .skip_binder() .projection_term @@ -3985,7 +3985,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { continue; }; for diff in type_diffs { - let Sorts(expected_found) = diff else { + let TypeError::Sorts(expected_found) = diff else { continue; }; if tcx.is_diagnostic_item(sym::IteratorItem, *def_id) @@ -4165,7 +4165,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { }; if primary_spans.is_empty() || type_diffs.iter().any(|diff| { - let Sorts(expected_found) = diff else { + let TypeError::Sorts(expected_found) = diff else { return false; }; self.can_eq(param_env, expected_found.found, ty) @@ -4198,7 +4198,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { let assoc = with_forced_trimmed_paths!(self.tcx.def_path_str(assoc)); if !self.can_eq(param_env, ty, *prev_ty) { if type_diffs.iter().any(|diff| { - let Sorts(expected_found) = diff else { + let TypeError::Sorts(expected_found) = diff else { return false; }; self.can_eq(param_env, expected_found.found, ty) @@ -4248,7 +4248,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { let ocx = ObligationCtxt::new(self.infcx); let mut assocs_in_this_method = Vec::with_capacity(type_diffs.len()); for diff in type_diffs { - let Sorts(expected_found) = diff else { + let TypeError::Sorts(expected_found) = diff else { continue; }; let ty::Alias(ty::Projection, proj) = expected_found.expected.kind() else { diff --git a/compiler/rustc_trait_selection/src/traits/select/mod.rs b/compiler/rustc_trait_selection/src/traits/select/mod.rs index ce4fa5fa47cb..9e6ae9125150 100644 --- a/compiler/rustc_trait_selection/src/traits/select/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/select/mod.rs @@ -42,6 +42,7 @@ use rustc_middle::dep_graph::DepNodeIndex; use rustc_middle::mir::interpret::ErrorHandled; use rustc_middle::ty::_match::MatchAgainstFreshVars; use rustc_middle::ty::abstract_const::NotConstEvaluatable; +use rustc_middle::ty::error::TypeErrorToStringExt; use rustc_middle::ty::print::PrintTraitRefExt as _; use rustc_middle::ty::relate::TypeRelation; use rustc_middle::ty::GenericArgsRef; diff --git a/compiler/rustc_type_ir/src/error.rs b/compiler/rustc_type_ir/src/error.rs new file mode 100644 index 000000000000..27623ea9cacb --- /dev/null +++ b/compiler/rustc_type_ir/src/error.rs @@ -0,0 +1,106 @@ +use rustc_type_ir_macros::{TypeFoldable_Generic, TypeVisitable_Generic}; + +use crate::solve::NoSolution; +use crate::{self as ty, Interner}; + +#[derive(Clone, Copy, Debug, PartialEq, Eq)] +#[derive(TypeFoldable_Generic, TypeVisitable_Generic)] +pub struct ExpectedFound { + pub expected: T, + pub found: T, +} + +impl ExpectedFound { + pub fn new(a_is_expected: bool, a: T, b: T) -> Self { + if a_is_expected { + ExpectedFound { expected: a, found: b } + } else { + ExpectedFound { expected: b, found: a } + } + } +} + +// Data structures used in type unification +#[derive(derivative::Derivative)] +#[derivative( + Clone(bound = ""), + Copy(bound = ""), + PartialEq(bound = ""), + Eq(bound = ""), + Debug(bound = "") +)] +#[derive(TypeVisitable_Generic)] +#[rustc_pass_by_value] +pub enum TypeError { + Mismatch, + ConstnessMismatch(ExpectedFound), + PolarityMismatch(ExpectedFound), + SafetyMismatch(ExpectedFound), + AbiMismatch(ExpectedFound), + Mutability, + ArgumentMutability(usize), + TupleSize(ExpectedFound), + FixedArraySize(ExpectedFound), + ArgCount, + + RegionsDoesNotOutlive(I::Region, I::Region), + RegionsInsufficientlyPolymorphic(I::BoundRegion, I::Region), + RegionsPlaceholderMismatch, + + Sorts(ExpectedFound), + ArgumentSorts(ExpectedFound, usize), + Traits(ExpectedFound), + VariadicMismatch(ExpectedFound), + + /// Instantiating a type variable with the given type would have + /// created a cycle (because it appears somewhere within that + /// type). + CyclicTy(I::Ty), + CyclicConst(I::Const), + ProjectionMismatched(ExpectedFound), + ExistentialMismatch(ExpectedFound), + ConstMismatch(ExpectedFound), + + IntrinsicCast, + /// Safe `#[target_feature]` functions are not assignable to safe function pointers. + TargetFeatureCast(I::DefId), +} + +impl TypeError { + pub fn involves_regions(self) -> bool { + match self { + TypeError::RegionsDoesNotOutlive(_, _) + | TypeError::RegionsInsufficientlyPolymorphic(_, _) + | TypeError::RegionsPlaceholderMismatch => true, + _ => false, + } + } + + pub fn must_include_note(self) -> bool { + use self::TypeError::*; + match self { + CyclicTy(_) | CyclicConst(_) | SafetyMismatch(_) | ConstnessMismatch(_) + | PolarityMismatch(_) | Mismatch | AbiMismatch(_) | FixedArraySize(_) + | ArgumentSorts(..) | Sorts(_) | VariadicMismatch(_) | TargetFeatureCast(_) => false, + + Mutability + | ArgumentMutability(_) + | TupleSize(_) + | ArgCount + | RegionsDoesNotOutlive(..) + | RegionsInsufficientlyPolymorphic(..) + | RegionsPlaceholderMismatch + | Traits(_) + | ProjectionMismatched(_) + | ExistentialMismatch(_) + | ConstMismatch(_) + | IntrinsicCast => true, + } + } +} + +impl From> for NoSolution { + fn from(_: TypeError) -> NoSolution { + NoSolution + } +} diff --git a/compiler/rustc_type_ir/src/lib.rs b/compiler/rustc_type_ir/src/lib.rs index 217c056d0bae..7d363daa420a 100644 --- a/compiler/rustc_type_ir/src/lib.rs +++ b/compiler/rustc_type_ir/src/lib.rs @@ -21,18 +21,19 @@ use std::hash::Hash; #[cfg(not(feature = "nightly"))] use std::sync::Arc as Lrc; +// These modules are `pub` since they are not glob-imported. #[macro_use] pub mod visit; #[cfg(feature = "nightly")] pub mod codec; +pub mod error; pub mod fold; pub mod inherent; pub mod ir_print; pub mod lift; pub mod solve; -pub mod ty_info; -pub mod ty_kind; +// These modules are not `pub` since they are glob-imported. #[macro_use] mod macros; mod binder; @@ -46,6 +47,8 @@ mod interner; mod predicate; mod predicate_kind; mod region_kind; +mod ty_info; +mod ty_kind; mod upcast; pub use binder::*; diff --git a/compiler/rustc_type_ir/src/macros.rs b/compiler/rustc_type_ir/src/macros.rs index f2f7b165de52..aae5aeb5fb36 100644 --- a/compiler/rustc_type_ir/src/macros.rs +++ b/compiler/rustc_type_ir/src/macros.rs @@ -48,10 +48,22 @@ TrivialTypeTraversalImpls! { u32, u64, String, - crate::DebruijnIndex, crate::AliasRelationDirection, - crate::UniverseIndex, - rustc_ast_ir::Mutability, - rustc_ast_ir::Movability, + crate::AliasTyKind, + crate::BoundConstness, + crate::DebruijnIndex, + crate::FloatTy, + crate::InferTy, + crate::IntVarValue, crate::PredicatePolarity, + crate::RegionVid, + crate::solve::BuiltinImplSource, + crate::solve::Certainty, + crate::solve::GoalSource, + crate::solve::MaybeCause, + crate::solve::NoSolution, + crate::UniverseIndex, + crate::Variance, + rustc_ast_ir::Movability, + rustc_ast_ir::Mutability, } diff --git a/compiler/rustc_type_ir/src/predicate.rs b/compiler/rustc_type_ir/src/predicate.rs index 9e0e52cfb4b7..63a4c2e9d1f7 100644 --- a/compiler/rustc_type_ir/src/predicate.rs +++ b/compiler/rustc_type_ir/src/predicate.rs @@ -793,3 +793,36 @@ pub struct CoercePredicate { pub a: I::Ty, pub b: I::Ty, } + +#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)] +#[cfg_attr(feature = "nightly", derive(HashStable_NoContext, TyEncodable, TyDecodable))] +pub enum BoundConstness { + /// `Type: Trait` + NotConst, + /// `Type: const Trait` + Const, + /// `Type: ~const Trait` + /// + /// Requires resolving to const only when we are in a const context. + ConstIfConst, +} + +impl BoundConstness { + pub fn as_str(self) -> &'static str { + match self { + Self::NotConst => "", + Self::Const => "const", + Self::ConstIfConst => "~const", + } + } +} + +impl fmt::Display for BoundConstness { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + match self { + Self::NotConst => f.write_str("normal"), + Self::Const => f.write_str("const"), + Self::ConstIfConst => f.write_str("~const"), + } + } +} diff --git a/compiler/rustc_type_ir/src/solve.rs b/compiler/rustc_type_ir/src/solve.rs index 3c24e851d7b6..45125fe61919 100644 --- a/compiler/rustc_type_ir/src/solve.rs +++ b/compiler/rustc_type_ir/src/solve.rs @@ -20,7 +20,6 @@ pub type CanonicalResponse = Canonical>; pub type QueryResult = Result, NoSolution>; #[derive(Copy, Clone, Debug, Hash, PartialEq, Eq)] -#[derive(TypeFoldable_Generic, TypeVisitable_Generic)] #[cfg_attr(feature = "nightly", derive(HashStable_NoContext))] pub struct NoSolution; @@ -60,7 +59,7 @@ impl Goal { /// /// This is necessary as we treat nested goals different depending on /// their source. -#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash, TypeVisitable_Generic, TypeFoldable_Generic)] +#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)] #[cfg_attr(feature = "nightly", derive(HashStable_NoContext))] pub enum GoalSource { Misc, @@ -170,7 +169,6 @@ pub enum CandidateSource { } #[derive(Clone, Copy, Hash, PartialEq, Eq, Debug)] -#[derive(TypeVisitable_Generic, TypeFoldable_Generic)] #[cfg_attr(feature = "nightly", derive(HashStable_NoContext, TyEncodable, TyDecodable))] pub enum BuiltinImplSource { /// Some builtin impl we don't need to differentiate. This should be used @@ -214,7 +212,6 @@ pub struct Response { } #[derive(Clone, Copy, Hash, PartialEq, Eq, Debug)] -#[derive(TypeVisitable_Generic, TypeFoldable_Generic)] #[cfg_attr(feature = "nightly", derive(HashStable_NoContext))] pub enum Certainty { Yes, @@ -252,7 +249,6 @@ impl Certainty { /// Why we failed to evaluate a goal. #[derive(Clone, Copy, Hash, PartialEq, Eq, Debug)] -#[derive(TypeVisitable_Generic, TypeFoldable_Generic)] #[cfg_attr(feature = "nightly", derive(HashStable_NoContext))] pub enum MaybeCause { /// We failed due to ambiguity. This ambiguity can either From 91274c84b9f3790192219c71a8cb6908747beef4 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Tue, 4 Jun 2024 16:02:36 -0400 Subject: [PATCH 1081/1716] Uplift TypeRelation and Relate --- Cargo.lock | 2 + .../rustc_borrowck/src/constraints/mod.rs | 4 +- .../rustc_borrowck/src/region_infer/mod.rs | 2 +- .../src/type_check/relate_tys.rs | 16 +- compiler/rustc_hir_typeck/src/coercion.rs | 2 +- compiler/rustc_infer/Cargo.toml | 1 + compiler/rustc_infer/src/infer/at.rs | 4 +- .../src/infer/error_reporting/mod.rs | 12 +- compiler/rustc_infer/src/infer/mod.rs | 7 +- .../src/infer/outlives/test_type_match.rs | 17 +- .../infer/region_constraints/leak_check.rs | 2 +- .../src/infer/relate}/_match.rs | 22 +- .../rustc_infer/src/infer/relate/combine.rs | 17 +- .../src/infer/relate/generalize.rs | 15 +- compiler/rustc_infer/src/infer/relate/glb.rs | 10 +- .../src/infer/relate/higher_ranked.rs | 2 +- .../rustc_infer/src/infer/relate/lattice.rs | 2 +- compiler/rustc_infer/src/infer/relate/lub.rs | 10 +- compiler/rustc_infer/src/infer/relate/mod.rs | 20 +- .../src/infer/relate/type_relating.rs | 17 +- compiler/rustc_middle/src/ty/adt.rs | 6 + compiler/rustc_middle/src/ty/consts.rs | 8 + compiler/rustc_middle/src/ty/context.rs | 38 +- compiler/rustc_middle/src/ty/mod.rs | 4 +- compiler/rustc_middle/src/ty/relate.rs | 819 +++--------------- compiler/rustc_middle/src/ty/sty.rs | 119 ++- compiler/rustc_next_trait_solver/Cargo.toml | 13 +- .../rustc_next_trait_solver/src/resolve.rs | 8 +- .../src/solve/eval_ctxt/mod.rs | 8 +- .../src/traits/select/mod.rs | 4 +- compiler/rustc_type_ir/src/inherent.rs | 56 +- compiler/rustc_type_ir/src/interner.rs | 46 +- compiler/rustc_type_ir/src/lib.rs | 1 + compiler/rustc_type_ir/src/relate.rs | 666 ++++++++++++++ 34 files changed, 1114 insertions(+), 866 deletions(-) rename compiler/{rustc_middle/src/ty => rustc_infer/src/infer/relate}/_match.rs (82%) create mode 100644 compiler/rustc_type_ir/src/relate.rs diff --git a/Cargo.lock b/Cargo.lock index 99cb7196544e..019e7a3b16bd 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -4201,6 +4201,7 @@ dependencies = [ "rustc_middle", "rustc_span", "rustc_target", + "rustc_type_ir", "smallvec", "tracing", ] @@ -4508,6 +4509,7 @@ dependencies = [ "rustc_serialize", "rustc_type_ir", "rustc_type_ir_macros", + "tracing", ] [[package]] diff --git a/compiler/rustc_borrowck/src/constraints/mod.rs b/compiler/rustc_borrowck/src/constraints/mod.rs index ff11e4db1213..97408fa20d79 100644 --- a/compiler/rustc_borrowck/src/constraints/mod.rs +++ b/compiler/rustc_borrowck/src/constraints/mod.rs @@ -1,7 +1,7 @@ use rustc_data_structures::graph::scc::Sccs; use rustc_index::{IndexSlice, IndexVec}; use rustc_middle::mir::ConstraintCategory; -use rustc_middle::ty::{RegionVid, VarianceDiagInfo}; +use rustc_middle::ty::{RegionVid, TyCtxt, VarianceDiagInfo}; use rustc_span::Span; use std::fmt; use std::ops::Index; @@ -97,7 +97,7 @@ pub struct OutlivesConstraint<'tcx> { pub category: ConstraintCategory<'tcx>, /// Variance diagnostic information - pub variance_info: VarianceDiagInfo<'tcx>, + pub variance_info: VarianceDiagInfo>, /// If this constraint is promoted from closure requirements. pub from_closure: bool, diff --git a/compiler/rustc_borrowck/src/region_infer/mod.rs b/compiler/rustc_borrowck/src/region_infer/mod.rs index b57cf9066cf3..0e3140ca98b0 100644 --- a/compiler/rustc_borrowck/src/region_infer/mod.rs +++ b/compiler/rustc_borrowck/src/region_infer/mod.rs @@ -2304,5 +2304,5 @@ pub struct BlameConstraint<'tcx> { pub category: ConstraintCategory<'tcx>, pub from_closure: bool, pub cause: ObligationCause<'tcx>, - pub variance_info: ty::VarianceDiagInfo<'tcx>, + pub variance_info: ty::VarianceDiagInfo>, } diff --git a/compiler/rustc_borrowck/src/type_check/relate_tys.rs b/compiler/rustc_borrowck/src/type_check/relate_tys.rs index 9863c4a38832..2c34fc583c83 100644 --- a/compiler/rustc_borrowck/src/type_check/relate_tys.rs +++ b/compiler/rustc_borrowck/src/type_check/relate_tys.rs @@ -1,14 +1,14 @@ use rustc_data_structures::fx::FxHashMap; use rustc_errors::ErrorGuaranteed; +use rustc_infer::infer::relate::{ObligationEmittingRelation, StructurallyRelateAliases}; +use rustc_infer::infer::relate::{Relate, RelateResult, TypeRelation}; use rustc_infer::infer::NllRegionVariableOrigin; -use rustc_infer::infer::{ObligationEmittingRelation, StructurallyRelateAliases}; use rustc_infer::traits::{Obligation, PredicateObligations}; use rustc_middle::mir::ConstraintCategory; use rustc_middle::span_bug; use rustc_middle::traits::query::NoSolution; use rustc_middle::traits::ObligationCause; use rustc_middle::ty::fold::FnMutDelegate; -use rustc_middle::ty::relate::{Relate, RelateResult, TypeRelation}; use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitableExt}; use rustc_span::symbol::sym; use rustc_span::{Span, Symbol}; @@ -82,7 +82,7 @@ pub struct NllTypeRelating<'me, 'bccx, 'tcx> { /// - Bivariant means that it doesn't matter. ambient_variance: ty::Variance, - ambient_variance_info: ty::VarianceDiagInfo<'tcx>, + ambient_variance_info: ty::VarianceDiagInfo>, } impl<'me, 'bccx, 'tcx> NllTypeRelating<'me, 'bccx, 'tcx> { @@ -296,7 +296,7 @@ impl<'me, 'bccx, 'tcx> NllTypeRelating<'me, 'bccx, 'tcx> { &mut self, sup: ty::Region<'tcx>, sub: ty::Region<'tcx>, - info: ty::VarianceDiagInfo<'tcx>, + info: ty::VarianceDiagInfo>, ) { let sub = self.type_checker.borrowck_context.universal_regions.to_region_vid(sub); let sup = self.type_checker.borrowck_context.universal_regions.to_region_vid(sup); @@ -314,7 +314,7 @@ impl<'me, 'bccx, 'tcx> NllTypeRelating<'me, 'bccx, 'tcx> { } } -impl<'bccx, 'tcx> TypeRelation<'tcx> for NllTypeRelating<'_, 'bccx, 'tcx> { +impl<'bccx, 'tcx> TypeRelation> for NllTypeRelating<'_, 'bccx, 'tcx> { fn tcx(&self) -> TyCtxt<'tcx> { self.type_checker.infcx.tcx } @@ -324,10 +324,10 @@ impl<'bccx, 'tcx> TypeRelation<'tcx> for NllTypeRelating<'_, 'bccx, 'tcx> { } #[instrument(skip(self, info), level = "trace", ret)] - fn relate_with_variance>( + fn relate_with_variance>>( &mut self, variance: ty::Variance, - info: ty::VarianceDiagInfo<'tcx>, + info: ty::VarianceDiagInfo>, a: T, b: T, ) -> RelateResult<'tcx, T> { @@ -445,7 +445,7 @@ impl<'bccx, 'tcx> TypeRelation<'tcx> for NllTypeRelating<'_, 'bccx, 'tcx> { b: ty::Binder<'tcx, T>, ) -> RelateResult<'tcx, ty::Binder<'tcx, T>> where - T: Relate<'tcx>, + T: Relate>, { // We want that // diff --git a/compiler/rustc_hir_typeck/src/coercion.rs b/compiler/rustc_hir_typeck/src/coercion.rs index 93726ce2b3eb..dbaa6e398c88 100644 --- a/compiler/rustc_hir_typeck/src/coercion.rs +++ b/compiler/rustc_hir_typeck/src/coercion.rs @@ -41,6 +41,7 @@ use rustc_errors::{codes::*, struct_span_code_err, Applicability, Diag}; use rustc_hir as hir; use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_hir_analysis::hir_ty_lowering::HirTyLowerer; +use rustc_infer::infer::relate::RelateResult; use rustc_infer::infer::{Coercion, DefineOpaqueTypes, InferOk, InferResult}; use rustc_infer::traits::{IfExpressionCause, MatchExpressionArmCause}; use rustc_infer::traits::{Obligation, PredicateObligation}; @@ -51,7 +52,6 @@ use rustc_middle::ty::adjustment::{ Adjust, Adjustment, AllowTwoPhase, AutoBorrow, AutoBorrowMutability, PointerCoercion, }; use rustc_middle::ty::error::TypeError; -use rustc_middle::ty::relate::RelateResult; use rustc_middle::ty::visit::TypeVisitableExt; use rustc_middle::ty::{self, GenericArgsRef, Ty, TyCtxt}; use rustc_session::parse::feature_err; diff --git a/compiler/rustc_infer/Cargo.toml b/compiler/rustc_infer/Cargo.toml index c1565a7d40fd..5136ab79a0f8 100644 --- a/compiler/rustc_infer/Cargo.toml +++ b/compiler/rustc_infer/Cargo.toml @@ -18,6 +18,7 @@ rustc_macros = { path = "../rustc_macros" } rustc_middle = { path = "../rustc_middle" } rustc_span = { path = "../rustc_span" } rustc_target = { path = "../rustc_target" } +rustc_type_ir = { path = "../rustc_type_ir" } smallvec = { version = "1.8.1", features = ["union", "may_dangle"] } tracing = "0.1" # tidy-alphabetical-end diff --git a/compiler/rustc_infer/src/infer/at.rs b/compiler/rustc_infer/src/infer/at.rs index 17e6d6250ad5..046d908d148d 100644 --- a/compiler/rustc_infer/src/infer/at.rs +++ b/compiler/rustc_infer/src/infer/at.rs @@ -27,8 +27,8 @@ use super::*; +use crate::infer::relate::{Relate, StructurallyRelateAliases, TypeRelation}; use rustc_middle::bug; -use rustc_middle::ty::relate::{Relate, TypeRelation}; use rustc_middle::ty::{Const, ImplSubject}; /// Whether we should define opaque types or just treat them opaquely. @@ -90,7 +90,7 @@ impl<'tcx> InferCtxt<'tcx> { } } -pub trait ToTrace<'tcx>: Relate<'tcx> + Copy { +pub trait ToTrace<'tcx>: Relate> + Copy { fn to_trace( cause: &ObligationCause<'tcx>, a_is_expected: bool, diff --git a/compiler/rustc_infer/src/infer/error_reporting/mod.rs b/compiler/rustc_infer/src/infer/error_reporting/mod.rs index cee87f8f6e4d..ed483c6cbeb4 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/mod.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/mod.rs @@ -58,6 +58,7 @@ use crate::traits::{ PredicateObligation, }; +use crate::infer::relate::{self, RelateResult, TypeRelation}; use rustc_data_structures::fx::{FxIndexMap, FxIndexSet}; use rustc_errors::{ codes::*, pluralize, struct_span_code_err, Applicability, Diag, DiagCtxt, DiagStyledString, @@ -73,7 +74,6 @@ use rustc_middle::bug; use rustc_middle::dep_graph::DepContext; use rustc_middle::ty::error::TypeErrorToStringExt; use rustc_middle::ty::print::{with_forced_trimmed_paths, PrintError, PrintTraitRefExt as _}; -use rustc_middle::ty::relate::{self, RelateResult, TypeRelation}; use rustc_middle::ty::Upcast; use rustc_middle::ty::{ self, error::TypeError, IsSuggestable, List, Region, Ty, TyCtxt, TypeFoldable, @@ -2687,7 +2687,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { /// with the other type. A TyVar inference type is compatible with any type, and an IntVar or /// FloatVar inference type are compatible with themselves or their concrete types (Int and /// Float types, respectively). When comparing two ADTs, these rules apply recursively. - pub fn same_type_modulo_infer>(&self, a: T, b: T) -> bool { + pub fn same_type_modulo_infer>>(&self, a: T, b: T) -> bool { let (a, b) = self.resolve_vars_if_possible((a, b)); SameTypeModuloInfer(self).relate(a, b).is_ok() } @@ -2695,7 +2695,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { struct SameTypeModuloInfer<'a, 'tcx>(&'a InferCtxt<'tcx>); -impl<'tcx> TypeRelation<'tcx> for SameTypeModuloInfer<'_, 'tcx> { +impl<'tcx> TypeRelation> for SameTypeModuloInfer<'_, 'tcx> { fn tcx(&self) -> TyCtxt<'tcx> { self.0.tcx } @@ -2704,10 +2704,10 @@ impl<'tcx> TypeRelation<'tcx> for SameTypeModuloInfer<'_, 'tcx> { "SameTypeModuloInfer" } - fn relate_with_variance>( + fn relate_with_variance>>( &mut self, _variance: ty::Variance, - _info: ty::VarianceDiagInfo<'tcx>, + _info: ty::VarianceDiagInfo>, a: T, b: T, ) -> relate::RelateResult<'tcx, T> { @@ -2755,7 +2755,7 @@ impl<'tcx> TypeRelation<'tcx> for SameTypeModuloInfer<'_, 'tcx> { b: ty::Binder<'tcx, T>, ) -> relate::RelateResult<'tcx, ty::Binder<'tcx, T>> where - T: relate::Relate<'tcx>, + T: relate::Relate>, { Ok(a.rebind(self.relate(a.skip_binder(), b.skip_binder())?)) } diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs index 4476611d9c82..c606ab808ef8 100644 --- a/compiler/rustc_infer/src/infer/mod.rs +++ b/compiler/rustc_infer/src/infer/mod.rs @@ -1,9 +1,6 @@ pub use at::DefineOpaqueTypes; pub use freshen::TypeFreshener; pub use lexical_region_resolve::RegionResolutionError; -pub use relate::combine::CombineFields; -pub use relate::combine::ObligationEmittingRelation; -pub use relate::StructurallyRelateAliases; pub use rustc_macros::{TypeFoldable, TypeVisitable}; pub use rustc_middle::ty::IntVarValue; pub use BoundRegionConversionTime::*; @@ -11,6 +8,7 @@ pub use RegionVariableOrigin::*; pub use SubregionOrigin::*; pub use ValuePairs::*; +use crate::infer::relate::{CombineFields, RelateResult}; use crate::traits::{ self, ObligationCause, ObligationInspector, PredicateObligations, TraitEngine, }; @@ -39,7 +37,6 @@ use rustc_middle::traits::select; use rustc_middle::ty::error::{ExpectedFound, TypeError}; use rustc_middle::ty::fold::BoundVarReplacerDelegate; use rustc_middle::ty::fold::{TypeFoldable, TypeFolder, TypeSuperFoldable}; -use rustc_middle::ty::relate::RelateResult; use rustc_middle::ty::visit::TypeVisitableExt; use rustc_middle::ty::{self, GenericParamDefKind, InferConst, Ty, TyCtxt}; use rustc_middle::ty::{ConstVid, EffectVid, FloatVid, IntVid, TyVid}; @@ -62,7 +59,7 @@ pub mod opaque_types; pub mod outlives; mod projection; pub mod region_constraints; -mod relate; +pub mod relate; pub mod resolve; pub(crate) mod snapshot; pub mod type_variable; diff --git a/compiler/rustc_infer/src/infer/outlives/test_type_match.rs b/compiler/rustc_infer/src/infer/outlives/test_type_match.rs index 29c11d4247d0..978b92fd8980 100644 --- a/compiler/rustc_infer/src/infer/outlives/test_type_match.rs +++ b/compiler/rustc_infer/src/infer/outlives/test_type_match.rs @@ -1,15 +1,12 @@ use std::collections::hash_map::Entry; use rustc_data_structures::fx::FxHashMap; +use rustc_middle::ty::error::TypeError; use rustc_middle::ty::TypeVisitableExt; -use rustc_middle::ty::{ - self, - error::TypeError, - relate::{self, Relate, RelateResult, TypeRelation}, - Ty, TyCtxt, -}; +use rustc_middle::ty::{self, Ty, TyCtxt}; use crate::infer::region_constraints::VerifyIfEq; +use crate::infer::relate::{self as relate, Relate, RelateResult, TypeRelation}; /// Given a "verify-if-eq" type test like: /// @@ -135,7 +132,7 @@ impl<'tcx> MatchAgainstHigherRankedOutlives<'tcx> { } } -impl<'tcx> TypeRelation<'tcx> for MatchAgainstHigherRankedOutlives<'tcx> { +impl<'tcx> TypeRelation> for MatchAgainstHigherRankedOutlives<'tcx> { fn tag(&self) -> &'static str { "MatchAgainstHigherRankedOutlives" } @@ -145,10 +142,10 @@ impl<'tcx> TypeRelation<'tcx> for MatchAgainstHigherRankedOutlives<'tcx> { } #[instrument(level = "trace", skip(self))] - fn relate_with_variance>( + fn relate_with_variance>>( &mut self, variance: ty::Variance, - _: ty::VarianceDiagInfo<'tcx>, + _: ty::VarianceDiagInfo>, a: T, b: T, ) -> RelateResult<'tcx, T> { @@ -208,7 +205,7 @@ impl<'tcx> TypeRelation<'tcx> for MatchAgainstHigherRankedOutlives<'tcx> { value: ty::Binder<'tcx, T>, ) -> RelateResult<'tcx, ty::Binder<'tcx, T>> where - T: Relate<'tcx>, + T: Relate>, { self.pattern_depth.shift_in(1); let result = Ok(pattern.rebind(self.relate(pattern.skip_binder(), value.skip_binder())?)); diff --git a/compiler/rustc_infer/src/infer/region_constraints/leak_check.rs b/compiler/rustc_infer/src/infer/region_constraints/leak_check.rs index d05ac1d81518..5b159d627312 100644 --- a/compiler/rustc_infer/src/infer/region_constraints/leak_check.rs +++ b/compiler/rustc_infer/src/infer/region_constraints/leak_check.rs @@ -1,11 +1,11 @@ use super::*; +use crate::infer::relate::RelateResult; use crate::infer::snapshot::CombinedSnapshot; use rustc_data_structures::fx::FxIndexMap; use rustc_data_structures::graph::{scc::Sccs, vec_graph::VecGraph}; use rustc_index::Idx; use rustc_middle::span_bug; use rustc_middle::ty::error::TypeError; -use rustc_middle::ty::relate::RelateResult; impl<'tcx> RegionConstraintCollector<'_, 'tcx> { /// Searches new universes created during `snapshot`, looking for diff --git a/compiler/rustc_middle/src/ty/_match.rs b/compiler/rustc_infer/src/infer/relate/_match.rs similarity index 82% rename from compiler/rustc_middle/src/ty/_match.rs rename to compiler/rustc_infer/src/infer/relate/_match.rs index f30270abd5c1..30a066a265ac 100644 --- a/compiler/rustc_middle/src/ty/_match.rs +++ b/compiler/rustc_infer/src/infer/relate/_match.rs @@ -1,8 +1,10 @@ -use crate::ty::error::TypeError; -use crate::ty::relate::{self, Relate, RelateResult, TypeRelation}; -use crate::ty::{self, InferConst, Ty, TyCtxt}; +use rustc_middle::ty::error::{ExpectedFound, TypeError}; +use rustc_middle::ty::{self, InferConst, Ty, TyCtxt}; use tracing::{debug, instrument}; +use super::{structurally_relate_tys, Relate, RelateResult, TypeRelation}; +use crate::infer::relate; + /// A type "A" *matches* "B" if the fresh types in B could be /// instantiated with values so as to make it equal to A. Matching is /// intended to be used only on freshened types, and it basically @@ -29,7 +31,7 @@ impl<'tcx> MatchAgainstFreshVars<'tcx> { } } -impl<'tcx> TypeRelation<'tcx> for MatchAgainstFreshVars<'tcx> { +impl<'tcx> TypeRelation> for MatchAgainstFreshVars<'tcx> { fn tag(&self) -> &'static str { "MatchAgainstFreshVars" } @@ -38,10 +40,10 @@ impl<'tcx> TypeRelation<'tcx> for MatchAgainstFreshVars<'tcx> { self.tcx } - fn relate_with_variance>( + fn relate_with_variance>>( &mut self, _: ty::Variance, - _: ty::VarianceDiagInfo<'tcx>, + _: ty::VarianceDiagInfo>, a: T, b: T, ) -> RelateResult<'tcx, T> { @@ -72,12 +74,12 @@ impl<'tcx> TypeRelation<'tcx> for MatchAgainstFreshVars<'tcx> { ) => Ok(a), (&ty::Infer(_), _) | (_, &ty::Infer(_)) => { - Err(TypeError::Sorts(relate::expected_found(a, b))) + Err(TypeError::Sorts(ExpectedFound::new(true, a, b))) } (&ty::Error(guar), _) | (_, &ty::Error(guar)) => Ok(Ty::new_error(self.tcx(), guar)), - _ => relate::structurally_relate_tys(self, a, b), + _ => structurally_relate_tys(self, a, b), } } @@ -97,7 +99,7 @@ impl<'tcx> TypeRelation<'tcx> for MatchAgainstFreshVars<'tcx> { } (ty::ConstKind::Infer(_), _) | (_, ty::ConstKind::Infer(_)) => { - return Err(TypeError::ConstMismatch(relate::expected_found(a, b))); + return Err(TypeError::ConstMismatch(ExpectedFound::new(true, a, b))); } _ => {} @@ -112,7 +114,7 @@ impl<'tcx> TypeRelation<'tcx> for MatchAgainstFreshVars<'tcx> { b: ty::Binder<'tcx, T>, ) -> RelateResult<'tcx, ty::Binder<'tcx, T>> where - T: Relate<'tcx>, + T: Relate>, { Ok(a.rebind(self.relate(a.skip_binder(), b.skip_binder())?)) } diff --git a/compiler/rustc_infer/src/infer/relate/combine.rs b/compiler/rustc_infer/src/infer/relate/combine.rs index b193f4bcede6..30cb2bab9008 100644 --- a/compiler/rustc_infer/src/infer/relate/combine.rs +++ b/compiler/rustc_infer/src/infer/relate/combine.rs @@ -22,12 +22,13 @@ use super::glb::Glb; use super::lub::Lub; use super::type_relating::TypeRelating; use super::StructurallyRelateAliases; +use super::{RelateResult, TypeRelation}; +use crate::infer::relate; use crate::infer::{DefineOpaqueTypes, InferCtxt, TypeTrace}; use crate::traits::{Obligation, PredicateObligations}; use rustc_middle::bug; use rustc_middle::infer::unify_key::EffectVarValue; -use rustc_middle::ty::error::TypeError; -use rustc_middle::ty::relate::{RelateResult, TypeRelation}; +use rustc_middle::ty::error::{ExpectedFound, TypeError}; use rustc_middle::ty::{self, InferConst, Ty, TyCtxt, TypeVisitableExt, Upcast}; use rustc_middle::ty::{IntType, UintType}; use rustc_span::Span; @@ -121,7 +122,7 @@ impl<'tcx> InferCtxt<'tcx> { (_, ty::Alias(..)) | (ty::Alias(..), _) if self.next_trait_solver() => { match relation.structurally_relate_aliases() { StructurallyRelateAliases::Yes => { - ty::relate::structurally_relate_tys(relation, a, b) + relate::structurally_relate_tys(relation, a, b) } StructurallyRelateAliases::No => { relation.register_type_relate_obligation(a, b); @@ -132,7 +133,7 @@ impl<'tcx> InferCtxt<'tcx> { // All other cases of inference are errors (&ty::Infer(_), _) | (_, &ty::Infer(_)) => { - Err(TypeError::Sorts(ty::relate::expected_found(a, b))) + Err(TypeError::Sorts(ExpectedFound::new(true, a, b))) } // During coherence, opaque types should be treated as *possibly* @@ -144,7 +145,7 @@ impl<'tcx> InferCtxt<'tcx> { Ok(a) } - _ => ty::relate::structurally_relate_tys(relation, a, b), + _ => relate::structurally_relate_tys(relation, a, b), } } @@ -234,11 +235,11 @@ impl<'tcx> InferCtxt<'tcx> { Ok(b) } StructurallyRelateAliases::Yes => { - ty::relate::structurally_relate_consts(relation, a, b) + relate::structurally_relate_consts(relation, a, b) } } } - _ => ty::relate::structurally_relate_consts(relation, a, b), + _ => relate::structurally_relate_consts(relation, a, b), } } @@ -303,7 +304,7 @@ impl<'infcx, 'tcx> CombineFields<'infcx, 'tcx> { } } -pub trait ObligationEmittingRelation<'tcx>: TypeRelation<'tcx> { +pub trait ObligationEmittingRelation<'tcx>: TypeRelation> { fn span(&self) -> Span; fn param_env(&self) -> ty::ParamEnv<'tcx>; diff --git a/compiler/rustc_infer/src/infer/relate/generalize.rs b/compiler/rustc_infer/src/infer/relate/generalize.rs index 225c126fcf81..5478afda455f 100644 --- a/compiler/rustc_infer/src/infer/relate/generalize.rs +++ b/compiler/rustc_infer/src/infer/relate/generalize.rs @@ -1,15 +1,16 @@ use std::mem; use super::StructurallyRelateAliases; +use super::{ObligationEmittingRelation, Relate, RelateResult, TypeRelation}; +use crate::infer::relate; use crate::infer::type_variable::TypeVariableValue; -use crate::infer::{InferCtxt, ObligationEmittingRelation, RegionVariableOrigin}; +use crate::infer::{InferCtxt, RegionVariableOrigin}; use rustc_data_structures::sso::SsoHashMap; use rustc_data_structures::stack::ensure_sufficient_stack; use rustc_hir::def_id::DefId; use rustc_middle::bug; use rustc_middle::infer::unify_key::ConstVariableValue; use rustc_middle::ty::error::TypeError; -use rustc_middle::ty::relate::{self, Relate, RelateResult, TypeRelation}; use rustc_middle::ty::visit::MaxUniverse; use rustc_middle::ty::{self, Ty, TyCtxt}; use rustc_middle::ty::{AliasRelationDirection, InferConst, Term, TypeVisitable, TypeVisitableExt}; @@ -228,7 +229,7 @@ impl<'tcx> InferCtxt<'tcx> { /// Attempts to generalize `source_term` for the type variable `target_vid`. /// This checks for cycles -- that is, whether `source_term` references `target_vid`. - fn generalize> + Relate<'tcx>>( + fn generalize> + Relate>>( &self, span: Span, structurally_relate_aliases: StructurallyRelateAliases, @@ -395,7 +396,7 @@ impl<'tcx> Generalizer<'_, 'tcx> { } } -impl<'tcx> TypeRelation<'tcx> for Generalizer<'_, 'tcx> { +impl<'tcx> TypeRelation> for Generalizer<'_, 'tcx> { fn tcx(&self) -> TyCtxt<'tcx> { self.infcx.tcx } @@ -430,10 +431,10 @@ impl<'tcx> TypeRelation<'tcx> for Generalizer<'_, 'tcx> { } #[instrument(level = "debug", skip(self, variance, b), ret)] - fn relate_with_variance>( + fn relate_with_variance>>( &mut self, variance: ty::Variance, - _info: ty::VarianceDiagInfo<'tcx>, + _info: ty::VarianceDiagInfo>, a: T, b: T, ) -> RelateResult<'tcx, T> { @@ -695,7 +696,7 @@ impl<'tcx> TypeRelation<'tcx> for Generalizer<'_, 'tcx> { _: ty::Binder<'tcx, T>, ) -> RelateResult<'tcx, ty::Binder<'tcx, T>> where - T: Relate<'tcx>, + T: Relate>, { let result = self.relate(a.skip_binder(), a.skip_binder())?; Ok(a.rebind(result)) diff --git a/compiler/rustc_infer/src/infer/relate/glb.rs b/compiler/rustc_infer/src/infer/relate/glb.rs index a224a86492ab..98e8f07c7a21 100644 --- a/compiler/rustc_infer/src/infer/relate/glb.rs +++ b/compiler/rustc_infer/src/infer/relate/glb.rs @@ -1,6 +1,6 @@ //! Greatest lower bound. See [`lattice`]. -use rustc_middle::ty::relate::{Relate, RelateResult, TypeRelation}; +use super::{Relate, RelateResult, TypeRelation}; use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitableExt}; use rustc_span::Span; @@ -21,7 +21,7 @@ impl<'combine, 'infcx, 'tcx> Glb<'combine, 'infcx, 'tcx> { } } -impl<'tcx> TypeRelation<'tcx> for Glb<'_, '_, 'tcx> { +impl<'tcx> TypeRelation> for Glb<'_, '_, 'tcx> { fn tag(&self) -> &'static str { "Glb" } @@ -30,10 +30,10 @@ impl<'tcx> TypeRelation<'tcx> for Glb<'_, '_, 'tcx> { self.fields.tcx() } - fn relate_with_variance>( + fn relate_with_variance>>( &mut self, variance: ty::Variance, - _info: ty::VarianceDiagInfo<'tcx>, + _info: ty::VarianceDiagInfo>, a: T, b: T, ) -> RelateResult<'tcx, T> { @@ -81,7 +81,7 @@ impl<'tcx> TypeRelation<'tcx> for Glb<'_, '_, 'tcx> { b: ty::Binder<'tcx, T>, ) -> RelateResult<'tcx, ty::Binder<'tcx, T>> where - T: Relate<'tcx>, + T: Relate>, { // GLB of a binder and itself is just itself if a == b { diff --git a/compiler/rustc_infer/src/infer/relate/higher_ranked.rs b/compiler/rustc_infer/src/infer/relate/higher_ranked.rs index d3001eb5838b..cfce28aca5d6 100644 --- a/compiler/rustc_infer/src/infer/relate/higher_ranked.rs +++ b/compiler/rustc_infer/src/infer/relate/higher_ranked.rs @@ -1,10 +1,10 @@ //! Helper routines for higher-ranked things. See the `doc` module at //! the end of the file for details. +use super::RelateResult; use crate::infer::snapshot::CombinedSnapshot; use crate::infer::InferCtxt; use rustc_middle::ty::fold::FnMutDelegate; -use rustc_middle::ty::relate::RelateResult; use rustc_middle::ty::{self, Ty, TyCtxt, TypeFoldable}; impl<'tcx> InferCtxt<'tcx> { diff --git a/compiler/rustc_infer/src/infer/relate/lattice.rs b/compiler/rustc_infer/src/infer/relate/lattice.rs index c0c51a2820b3..f05b984142ae 100644 --- a/compiler/rustc_infer/src/infer/relate/lattice.rs +++ b/compiler/rustc_infer/src/infer/relate/lattice.rs @@ -21,7 +21,7 @@ use super::combine::ObligationEmittingRelation; use crate::infer::{DefineOpaqueTypes, InferCtxt}; use crate::traits::ObligationCause; -use rustc_middle::ty::relate::RelateResult; +use super::RelateResult; use rustc_middle::ty::TyVar; use rustc_middle::ty::{self, Ty}; diff --git a/compiler/rustc_infer/src/infer/relate/lub.rs b/compiler/rustc_infer/src/infer/relate/lub.rs index 83ab77707709..28dbaa94f95d 100644 --- a/compiler/rustc_infer/src/infer/relate/lub.rs +++ b/compiler/rustc_infer/src/infer/relate/lub.rs @@ -6,7 +6,7 @@ use super::StructurallyRelateAliases; use crate::infer::{DefineOpaqueTypes, InferCtxt, SubregionOrigin}; use crate::traits::{ObligationCause, PredicateObligations}; -use rustc_middle::ty::relate::{Relate, RelateResult, TypeRelation}; +use super::{Relate, RelateResult, TypeRelation}; use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitableExt}; use rustc_span::Span; @@ -21,7 +21,7 @@ impl<'combine, 'infcx, 'tcx> Lub<'combine, 'infcx, 'tcx> { } } -impl<'tcx> TypeRelation<'tcx> for Lub<'_, '_, 'tcx> { +impl<'tcx> TypeRelation> for Lub<'_, '_, 'tcx> { fn tag(&self) -> &'static str { "Lub" } @@ -30,10 +30,10 @@ impl<'tcx> TypeRelation<'tcx> for Lub<'_, '_, 'tcx> { self.fields.tcx() } - fn relate_with_variance>( + fn relate_with_variance>>( &mut self, variance: ty::Variance, - _info: ty::VarianceDiagInfo<'tcx>, + _info: ty::VarianceDiagInfo>, a: T, b: T, ) -> RelateResult<'tcx, T> { @@ -81,7 +81,7 @@ impl<'tcx> TypeRelation<'tcx> for Lub<'_, '_, 'tcx> { b: ty::Binder<'tcx, T>, ) -> RelateResult<'tcx, ty::Binder<'tcx, T>> where - T: Relate<'tcx>, + T: Relate>, { // LUB of a binder and itself is just itself if a == b { diff --git a/compiler/rustc_infer/src/infer/relate/mod.rs b/compiler/rustc_infer/src/infer/relate/mod.rs index 86a01130167a..627c527cba15 100644 --- a/compiler/rustc_infer/src/infer/relate/mod.rs +++ b/compiler/rustc_infer/src/infer/relate/mod.rs @@ -1,6 +1,14 @@ //! This module contains the definitions of most `TypeRelation`s in the type system //! (except for some relations used for diagnostics and heuristics in the compiler). +//! As well as the implementation of `Relate` for interned things (`Ty`/`Const`/etc). +pub use rustc_middle::ty::relate::*; + +pub use self::_match::MatchAgainstFreshVars; +pub use self::combine::CombineFields; +pub use self::combine::ObligationEmittingRelation; + +pub mod _match; pub(super) mod combine; mod generalize; mod glb; @@ -8,15 +16,3 @@ mod higher_ranked; mod lattice; mod lub; mod type_relating; - -/// Whether aliases should be related structurally or not. Used -/// to adjust the behavior of generalization and combine. -/// -/// This should always be `No` unless in a few special-cases when -/// instantiating canonical responses and in the new solver. Each -/// such case should have a comment explaining why it is used. -#[derive(Debug, Copy, Clone)] -pub enum StructurallyRelateAliases { - Yes, - No, -} diff --git a/compiler/rustc_infer/src/infer/relate/type_relating.rs b/compiler/rustc_infer/src/infer/relate/type_relating.rs index e55a58788212..fd0bc9f44f75 100644 --- a/compiler/rustc_infer/src/infer/relate/type_relating.rs +++ b/compiler/rustc_infer/src/infer/relate/type_relating.rs @@ -1,12 +1,11 @@ use super::combine::CombineFields; use crate::infer::BoundRegionConversionTime::HigherRankedType; -use crate::infer::{ - DefineOpaqueTypes, ObligationEmittingRelation, StructurallyRelateAliases, SubregionOrigin, -}; +use crate::infer::{DefineOpaqueTypes, SubregionOrigin}; use crate::traits::{Obligation, PredicateObligations}; -use rustc_middle::ty::relate::{ - relate_args_invariantly, relate_args_with_variances, Relate, RelateResult, TypeRelation, +use super::{ + relate_args_invariantly, relate_args_with_variances, ObligationEmittingRelation, Relate, + RelateResult, StructurallyRelateAliases, TypeRelation, }; use rustc_middle::ty::TyVar; use rustc_middle::ty::{self, Ty, TyCtxt}; @@ -29,7 +28,7 @@ impl<'combine, 'infcx, 'tcx> TypeRelating<'combine, 'infcx, 'tcx> { } } -impl<'tcx> TypeRelation<'tcx> for TypeRelating<'_, '_, 'tcx> { +impl<'tcx> TypeRelation> for TypeRelating<'_, '_, 'tcx> { fn tag(&self) -> &'static str { "TypeRelating" } @@ -56,10 +55,10 @@ impl<'tcx> TypeRelation<'tcx> for TypeRelating<'_, '_, 'tcx> { } } - fn relate_with_variance>( + fn relate_with_variance>>( &mut self, variance: ty::Variance, - _info: ty::VarianceDiagInfo<'tcx>, + _info: ty::VarianceDiagInfo>, a: T, b: T, ) -> RelateResult<'tcx, T> { @@ -226,7 +225,7 @@ impl<'tcx> TypeRelation<'tcx> for TypeRelating<'_, '_, 'tcx> { b: ty::Binder<'tcx, T>, ) -> RelateResult<'tcx, ty::Binder<'tcx, T>> where - T: Relate<'tcx>, + T: Relate>, { if a == b { // Do nothing diff --git a/compiler/rustc_middle/src/ty/adt.rs b/compiler/rustc_middle/src/ty/adt.rs index 5f9b870331c9..886dbd317afa 100644 --- a/compiler/rustc_middle/src/ty/adt.rs +++ b/compiler/rustc_middle/src/ty/adt.rs @@ -200,6 +200,12 @@ impl<'tcx> AdtDef<'tcx> { } } +impl<'tcx> rustc_type_ir::inherent::AdtDef> for AdtDef<'tcx> { + fn def_id(self) -> DefId { + self.did() + } +} + #[derive(Copy, Clone, Debug, Eq, PartialEq, HashStable, TyEncodable, TyDecodable)] pub enum AdtKind { Struct, diff --git a/compiler/rustc_middle/src/ty/consts.rs b/compiler/rustc_middle/src/ty/consts.rs index dc13cc5437d5..cc1daeb64191 100644 --- a/compiler/rustc_middle/src/ty/consts.rs +++ b/compiler/rustc_middle/src/ty/consts.rs @@ -149,6 +149,10 @@ impl<'tcx> Const<'tcx> { } impl<'tcx> rustc_type_ir::inherent::Const> for Const<'tcx> { + fn try_to_target_usize(self, interner: TyCtxt<'tcx>) -> Option { + self.try_to_target_usize(interner) + } + fn new_infer(tcx: TyCtxt<'tcx>, infer: ty::InferConst) -> Self { Const::new_infer(tcx, infer) } @@ -168,6 +172,10 @@ impl<'tcx> rustc_type_ir::inherent::Const> for Const<'tcx> { fn new_unevaluated(interner: TyCtxt<'tcx>, uv: ty::UnevaluatedConst<'tcx>) -> Self { Const::new_unevaluated(interner, uv) } + + fn new_expr(interner: TyCtxt<'tcx>, expr: ty::Expr<'tcx>) -> Self { + Const::new_expr(interner, expr) + } } impl<'tcx> Const<'tcx> { diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index f9a22aa72bee..61d47eb1420b 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -69,6 +69,7 @@ use rustc_span::symbol::{kw, sym, Ident, Symbol}; use rustc_span::{Span, DUMMY_SP}; use rustc_target::abi::{FieldIdx, Layout, LayoutS, TargetDataLayout, VariantIdx}; use rustc_target::spec::abi; +use rustc_type_ir::fold::TypeFoldable; use rustc_type_ir::TyKind::*; use rustc_type_ir::WithCachedTypeInfo; use rustc_type_ir::{CollectAndApply, Interner, TypeFlags}; @@ -135,9 +136,12 @@ impl<'tcx> Interner for TyCtxt<'tcx> { type ParamEnv = ty::ParamEnv<'tcx>; type Predicate = Predicate<'tcx>; type Clause = Clause<'tcx>; - type Clauses = ty::Clauses<'tcx>; + fn expand_abstract_consts>>(self, t: T) -> T { + self.expand_abstract_consts(t) + } + fn mk_canonical_var_infos(self, infos: &[ty::CanonicalVarInfo]) -> Self::CanonicalVars { self.mk_canonical_var_infos(infos) } @@ -148,6 +152,12 @@ impl<'tcx> Interner for TyCtxt<'tcx> { self.generics_of(def_id) } + type VariancesOf = &'tcx [ty::Variance]; + + fn variances_of(self, def_id: Self::DefId) -> Self::VariancesOf { + self.variances_of(def_id) + } + fn type_of(self, def_id: DefId) -> ty::EarlyBinder<'tcx, Ty<'tcx>> { self.type_of(def_id) } @@ -205,7 +215,11 @@ impl<'tcx> Interner for TyCtxt<'tcx> { self.mk_args(args) } - fn mk_args_from_iter(self, args: impl Iterator) -> Self::GenericArgs { + fn mk_args_from_iter(self, args: I) -> T::Output + where + I: Iterator, + T: CollectAndApply, + { self.mk_args_from_iter(args) } @@ -224,6 +238,14 @@ impl<'tcx> Interner for TyCtxt<'tcx> { self.arena.alloc(step) } + fn mk_type_list_from_iter(self, args: I) -> T::Output + where + I: Iterator, + T: CollectAndApply, + { + self.mk_type_list_from_iter(args) + } + fn parent(self, def_id: Self::DefId) -> Self::DefId { self.parent(def_id) } @@ -231,6 +253,12 @@ impl<'tcx> Interner for TyCtxt<'tcx> { fn recursion_limit(self) -> usize { self.recursion_limit().0 } + + type Features = &'tcx rustc_feature::Features; + + fn features(self) -> Self::Features { + self.features() + } } impl<'tcx> rustc_type_ir::inherent::Abi> for abi::Abi { @@ -249,6 +277,12 @@ impl<'tcx> rustc_type_ir::inherent::Safety> for hir::Safety { } } +impl<'tcx> rustc_type_ir::inherent::Features> for &'tcx rustc_feature::Features { + fn generic_const_exprs(self) -> bool { + self.generic_const_exprs + } +} + type InternedSet<'tcx, T> = ShardedHashMap, ()>; pub struct CtxtInterners<'tcx> { diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs index 131c62d6d19f..7ff1b7998227 100644 --- a/compiler/rustc_middle/src/ty/mod.rs +++ b/compiler/rustc_middle/src/ty/mod.rs @@ -60,6 +60,7 @@ use rustc_span::symbol::{kw, sym, Ident, Symbol}; use rustc_span::{ExpnId, ExpnKind, Span}; use rustc_target::abi::{Align, FieldIdx, Integer, IntegerType, VariantIdx}; pub use rustc_target::abi::{ReprFlags, ReprOptions}; +pub use rustc_type_ir::relate::VarianceDiagInfo; pub use rustc_type_ir::{DebugWithInfcx, InferCtxtLike, WithInfcx}; use tracing::{debug, instrument}; pub use vtable::*; @@ -114,7 +115,7 @@ pub use self::rvalue_scopes::RvalueScopes; pub use self::sty::{ AliasTy, Article, Binder, BoundTy, BoundTyKind, BoundVariableKind, CanonicalPolyFnSig, CoroutineArgsExt, EarlyBinder, FnSig, InlineConstArgs, InlineConstArgsParts, ParamConst, - ParamTy, PolyFnSig, TyKind, TypeAndMut, UpvarArgs, VarianceDiagInfo, + ParamTy, PolyFnSig, TyKind, TypeAndMut, UpvarArgs, }; pub use self::trait_def::TraitDef; pub use self::typeck_results::{ @@ -122,7 +123,6 @@ pub use self::typeck_results::{ TypeckResults, UserType, UserTypeAnnotationIndex, }; -pub mod _match; pub mod abstract_const; pub mod adjustment; pub mod cast; diff --git a/compiler/rustc_middle/src/ty/relate.rs b/compiler/rustc_middle/src/ty/relate.rs index e24e64b23013..b169d672a846 100644 --- a/compiler/rustc_middle/src/ty/relate.rs +++ b/compiler/rustc_middle/src/ty/relate.rs @@ -1,383 +1,54 @@ -//! Generalized type relating mechanism. -//! -//! A type relation `R` relates a pair of values `(A, B)`. `A and B` are usually -//! types or regions but can be other things. Examples of type relations are -//! subtyping, type equality, etc. +use std::iter; + +use rustc_hir as hir; +use rustc_target::spec::abi; +pub use rustc_type_ir::relate::*; use crate::ty::error::{ExpectedFound, TypeError}; -use crate::ty::{ - self, ExistentialPredicate, ExistentialPredicateStableCmpExt as _, GenericArg, GenericArgKind, - GenericArgsRef, ImplSubject, Term, TermKind, Ty, TyCtxt, TypeFoldable, -}; -use rustc_hir as hir; -use rustc_hir::def_id::DefId; -use rustc_macros::TypeVisitable; -use rustc_target::spec::abi; -use std::iter; -use tracing::{debug, instrument}; +use crate::ty::predicate::ExistentialPredicateStableCmpExt as _; +use crate::ty::{self as ty, Ty, TyCtxt}; -use super::Pattern; +pub type RelateResult<'tcx, T> = rustc_type_ir::relate::RelateResult, T>; -pub type RelateResult<'tcx, T> = Result>; - -pub trait TypeRelation<'tcx>: Sized { - fn tcx(&self) -> TyCtxt<'tcx>; - - /// Returns a static string we can use for printouts. - fn tag(&self) -> &'static str; - - /// Generic relation routine suitable for most anything. - fn relate>(&mut self, a: T, b: T) -> RelateResult<'tcx, T> { - Relate::relate(self, a, b) - } - - /// Relate the two args for the given item. The default - /// is to look up the variance for the item and proceed - /// accordingly. - fn relate_item_args( - &mut self, - item_def_id: DefId, - a_arg: GenericArgsRef<'tcx>, - b_arg: GenericArgsRef<'tcx>, - ) -> RelateResult<'tcx, GenericArgsRef<'tcx>> { - debug!( - "relate_item_args(item_def_id={:?}, a_arg={:?}, b_arg={:?})", - item_def_id, a_arg, b_arg - ); - - let tcx = self.tcx(); - let opt_variances = tcx.variances_of(item_def_id); - relate_args_with_variances(self, item_def_id, opt_variances, a_arg, b_arg, true) - } - - /// Switch variance for the purpose of relating `a` and `b`. - fn relate_with_variance>( - &mut self, - variance: ty::Variance, - info: ty::VarianceDiagInfo<'tcx>, - a: T, - b: T, - ) -> RelateResult<'tcx, T>; - - // Overridable relations. You shouldn't typically call these - // directly, instead call `relate()`, which in turn calls - // these. This is both more uniform but also allows us to add - // additional hooks for other types in the future if needed - // without making older code, which called `relate`, obsolete. - - fn tys(&mut self, a: Ty<'tcx>, b: Ty<'tcx>) -> RelateResult<'tcx, Ty<'tcx>>; - - fn regions( - &mut self, - a: ty::Region<'tcx>, - b: ty::Region<'tcx>, - ) -> RelateResult<'tcx, ty::Region<'tcx>>; - - fn consts( - &mut self, - a: ty::Const<'tcx>, - b: ty::Const<'tcx>, - ) -> RelateResult<'tcx, ty::Const<'tcx>>; - - fn binders( - &mut self, - a: ty::Binder<'tcx, T>, - b: ty::Binder<'tcx, T>, - ) -> RelateResult<'tcx, ty::Binder<'tcx, T>> - where - T: Relate<'tcx>; +/// Whether aliases should be related structurally or not. Used +/// to adjust the behavior of generalization and combine. +/// +/// This should always be `No` unless in a few special-cases when +/// instantiating canonical responses and in the new solver. Each +/// such case should have a comment explaining why it is used. +#[derive(Debug, Copy, Clone)] +pub enum StructurallyRelateAliases { + Yes, + No, } -pub trait Relate<'tcx>: TypeFoldable> + PartialEq + Copy { - fn relate>( - relation: &mut R, - a: Self, - b: Self, - ) -> RelateResult<'tcx, Self>; -} - -/////////////////////////////////////////////////////////////////////////// -// Relate impls - -#[inline] -pub fn relate_args_invariantly<'tcx, R: TypeRelation<'tcx>>( - relation: &mut R, - a_arg: GenericArgsRef<'tcx>, - b_arg: GenericArgsRef<'tcx>, -) -> RelateResult<'tcx, GenericArgsRef<'tcx>> { - relation.tcx().mk_args_from_iter(iter::zip(a_arg, b_arg).map(|(a, b)| { - relation.relate_with_variance(ty::Invariant, ty::VarianceDiagInfo::default(), a, b) - })) -} - -pub fn relate_args_with_variances<'tcx, R: TypeRelation<'tcx>>( - relation: &mut R, - ty_def_id: DefId, - variances: &[ty::Variance], - a_arg: GenericArgsRef<'tcx>, - b_arg: GenericArgsRef<'tcx>, - fetch_ty_for_diag: bool, -) -> RelateResult<'tcx, GenericArgsRef<'tcx>> { - let tcx = relation.tcx(); - - let mut cached_ty = None; - let params = iter::zip(a_arg, b_arg).enumerate().map(|(i, (a, b))| { - let variance = variances[i]; - let variance_info = if variance == ty::Invariant && fetch_ty_for_diag { - let ty = - *cached_ty.get_or_insert_with(|| tcx.type_of(ty_def_id).instantiate(tcx, a_arg)); - ty::VarianceDiagInfo::Invariant { ty, param_index: i.try_into().unwrap() } - } else { - ty::VarianceDiagInfo::default() - }; - relation.relate_with_variance(variance, variance_info, a, b) - }); - - tcx.mk_args_from_iter(params) -} - -impl<'tcx> Relate<'tcx> for ty::FnSig<'tcx> { - fn relate>( - relation: &mut R, - a: ty::FnSig<'tcx>, - b: ty::FnSig<'tcx>, - ) -> RelateResult<'tcx, ty::FnSig<'tcx>> { - let tcx = relation.tcx(); - - if a.c_variadic != b.c_variadic { - return Err(TypeError::VariadicMismatch(expected_found(a.c_variadic, b.c_variadic))); - } - let safety = relation.relate(a.safety, b.safety)?; - let abi = relation.relate(a.abi, b.abi)?; - - if a.inputs().len() != b.inputs().len() { - return Err(TypeError::ArgCount); - } - - let inputs_and_output = iter::zip(a.inputs(), b.inputs()) - .map(|(&a, &b)| ((a, b), false)) - .chain(iter::once(((a.output(), b.output()), true))) - .map(|((a, b), is_output)| { - if is_output { - relation.relate(a, b) - } else { - relation.relate_with_variance( - ty::Contravariant, - ty::VarianceDiagInfo::default(), - a, - b, - ) - } - }) - .enumerate() - .map(|(i, r)| match r { - Err(TypeError::Sorts(exp_found) | TypeError::ArgumentSorts(exp_found, _)) => { - Err(TypeError::ArgumentSorts(exp_found, i)) - } - Err(TypeError::Mutability | TypeError::ArgumentMutability(_)) => { - Err(TypeError::ArgumentMutability(i)) - } - r => r, - }); - Ok(ty::FnSig { - inputs_and_output: tcx.mk_type_list_from_iter(inputs_and_output)?, - c_variadic: a.c_variadic, - safety, - abi, - }) - } -} - -impl<'tcx> Relate<'tcx> for ty::BoundConstness { - fn relate>( - _relation: &mut R, - a: ty::BoundConstness, - b: ty::BoundConstness, - ) -> RelateResult<'tcx, ty::BoundConstness> { - if a != b { Err(TypeError::ConstnessMismatch(expected_found(a, b))) } else { Ok(a) } - } -} - -impl<'tcx> Relate<'tcx> for hir::Safety { - fn relate>( - _relation: &mut R, - a: hir::Safety, - b: hir::Safety, - ) -> RelateResult<'tcx, hir::Safety> { - if a != b { Err(TypeError::SafetyMismatch(expected_found(a, b))) } else { Ok(a) } - } -} - -impl<'tcx> Relate<'tcx> for abi::Abi { - fn relate>( - _relation: &mut R, - a: abi::Abi, - b: abi::Abi, - ) -> RelateResult<'tcx, abi::Abi> { - if a == b { Ok(a) } else { Err(TypeError::AbiMismatch(expected_found(a, b))) } - } -} - -impl<'tcx> Relate<'tcx> for ty::AliasTy<'tcx> { - fn relate>( - relation: &mut R, - a: ty::AliasTy<'tcx>, - b: ty::AliasTy<'tcx>, - ) -> RelateResult<'tcx, ty::AliasTy<'tcx>> { - if a.def_id != b.def_id { - Err(TypeError::ProjectionMismatched(expected_found(a.def_id, b.def_id))) - } else { - let args = match a.kind(relation.tcx()) { - ty::Opaque => relate_args_with_variances( - relation, - a.def_id, - relation.tcx().variances_of(a.def_id), - a.args, - b.args, - false, // do not fetch `type_of(a_def_id)`, as it will cause a cycle - )?, - ty::Projection | ty::Weak | ty::Inherent => { - relate_args_invariantly(relation, a.args, b.args)? - } - }; - Ok(ty::AliasTy::new(relation.tcx(), a.def_id, args)) - } - } -} - -impl<'tcx> Relate<'tcx> for ty::AliasTerm<'tcx> { - fn relate>( - relation: &mut R, - a: ty::AliasTerm<'tcx>, - b: ty::AliasTerm<'tcx>, - ) -> RelateResult<'tcx, ty::AliasTerm<'tcx>> { - if a.def_id != b.def_id { - Err(TypeError::ProjectionMismatched(expected_found(a.def_id, b.def_id))) - } else { - let args = match a.kind(relation.tcx()) { - ty::AliasTermKind::OpaqueTy => relate_args_with_variances( - relation, - a.def_id, - relation.tcx().variances_of(a.def_id), - a.args, - b.args, - false, // do not fetch `type_of(a_def_id)`, as it will cause a cycle - )?, - ty::AliasTermKind::ProjectionTy - | ty::AliasTermKind::WeakTy - | ty::AliasTermKind::InherentTy - | ty::AliasTermKind::UnevaluatedConst - | ty::AliasTermKind::ProjectionConst => { - relate_args_invariantly(relation, a.args, b.args)? - } - }; - Ok(ty::AliasTerm::new(relation.tcx(), a.def_id, args)) - } - } -} - -impl<'tcx> Relate<'tcx> for ty::ExistentialProjection<'tcx> { - fn relate>( - relation: &mut R, - a: ty::ExistentialProjection<'tcx>, - b: ty::ExistentialProjection<'tcx>, - ) -> RelateResult<'tcx, ty::ExistentialProjection<'tcx>> { - if a.def_id != b.def_id { - Err(TypeError::ProjectionMismatched(expected_found(a.def_id, b.def_id))) - } else { - let term = relation.relate_with_variance( - ty::Invariant, - ty::VarianceDiagInfo::default(), - a.term, - b.term, - )?; - let args = relation.relate_with_variance( - ty::Invariant, - ty::VarianceDiagInfo::default(), - a.args, - b.args, - )?; - Ok(ty::ExistentialProjection { def_id: a.def_id, args, term }) - } - } -} - -impl<'tcx> Relate<'tcx> for ty::TraitRef<'tcx> { - fn relate>( - relation: &mut R, - a: ty::TraitRef<'tcx>, - b: ty::TraitRef<'tcx>, - ) -> RelateResult<'tcx, ty::TraitRef<'tcx>> { - // Different traits cannot be related. - if a.def_id != b.def_id { - Err(TypeError::Traits(expected_found(a.def_id, b.def_id))) - } else { - let args = relate_args_invariantly(relation, a.args, b.args)?; - Ok(ty::TraitRef::new(relation.tcx(), a.def_id, args)) - } - } -} - -impl<'tcx> Relate<'tcx> for ty::ExistentialTraitRef<'tcx> { - fn relate>( - relation: &mut R, - a: ty::ExistentialTraitRef<'tcx>, - b: ty::ExistentialTraitRef<'tcx>, - ) -> RelateResult<'tcx, ty::ExistentialTraitRef<'tcx>> { - // Different traits cannot be related. - if a.def_id != b.def_id { - Err(TypeError::Traits(expected_found(a.def_id, b.def_id))) - } else { - let args = relate_args_invariantly(relation, a.args, b.args)?; - Ok(ty::ExistentialTraitRef { def_id: a.def_id, args }) - } - } -} - -#[derive(PartialEq, Copy, Debug, Clone, TypeFoldable, TypeVisitable)] -struct CoroutineWitness<'tcx>(&'tcx ty::List>); - -impl<'tcx> Relate<'tcx> for CoroutineWitness<'tcx> { - fn relate>( - relation: &mut R, - a: CoroutineWitness<'tcx>, - b: CoroutineWitness<'tcx>, - ) -> RelateResult<'tcx, CoroutineWitness<'tcx>> { - assert_eq!(a.0.len(), b.0.len()); - let tcx = relation.tcx(); - let types = - tcx.mk_type_list_from_iter(iter::zip(a.0, b.0).map(|(a, b)| relation.relate(a, b)))?; - Ok(CoroutineWitness(types)) - } -} - -impl<'tcx> Relate<'tcx> for ImplSubject<'tcx> { +impl<'tcx> Relate> for ty::ImplSubject<'tcx> { #[inline] - fn relate>( + fn relate>>( relation: &mut R, - a: ImplSubject<'tcx>, - b: ImplSubject<'tcx>, - ) -> RelateResult<'tcx, ImplSubject<'tcx>> { + a: ty::ImplSubject<'tcx>, + b: ty::ImplSubject<'tcx>, + ) -> RelateResult<'tcx, ty::ImplSubject<'tcx>> { match (a, b) { - (ImplSubject::Trait(trait_ref_a), ImplSubject::Trait(trait_ref_b)) => { + (ty::ImplSubject::Trait(trait_ref_a), ty::ImplSubject::Trait(trait_ref_b)) => { let trait_ref = ty::TraitRef::relate(relation, trait_ref_a, trait_ref_b)?; - Ok(ImplSubject::Trait(trait_ref)) + Ok(ty::ImplSubject::Trait(trait_ref)) } - (ImplSubject::Inherent(ty_a), ImplSubject::Inherent(ty_b)) => { + (ty::ImplSubject::Inherent(ty_a), ty::ImplSubject::Inherent(ty_b)) => { let ty = Ty::relate(relation, ty_a, ty_b)?; - Ok(ImplSubject::Inherent(ty)) + Ok(ty::ImplSubject::Inherent(ty)) } - (ImplSubject::Trait(_), ImplSubject::Inherent(_)) - | (ImplSubject::Inherent(_), ImplSubject::Trait(_)) => { + (ty::ImplSubject::Trait(_), ty::ImplSubject::Inherent(_)) + | (ty::ImplSubject::Inherent(_), ty::ImplSubject::Trait(_)) => { bug!("can not relate TraitRef and Ty"); } } } } -impl<'tcx> Relate<'tcx> for Ty<'tcx> { +impl<'tcx> Relate> for Ty<'tcx> { #[inline] - fn relate>( + fn relate>>( relation: &mut R, a: Ty<'tcx>, b: Ty<'tcx>, @@ -386,9 +57,9 @@ impl<'tcx> Relate<'tcx> for Ty<'tcx> { } } -impl<'tcx> Relate<'tcx> for Pattern<'tcx> { +impl<'tcx> Relate> for ty::Pattern<'tcx> { #[inline] - fn relate>( + fn relate>>( relation: &mut R, a: Self, b: Self, @@ -416,276 +87,8 @@ impl<'tcx> Relate<'tcx> for Pattern<'tcx> { } } -/// Relates `a` and `b` structurally, calling the relation for all nested values. -/// Any semantic equality, e.g. of projections, and inference variables have to be -/// handled by the caller. -#[instrument(level = "trace", skip(relation), ret)] -pub fn structurally_relate_tys<'tcx, R: TypeRelation<'tcx>>( - relation: &mut R, - a: Ty<'tcx>, - b: Ty<'tcx>, -) -> RelateResult<'tcx, Ty<'tcx>> { - let tcx = relation.tcx(); - match (a.kind(), b.kind()) { - (&ty::Infer(_), _) | (_, &ty::Infer(_)) => { - // The caller should handle these cases! - bug!("var types encountered in structurally_relate_tys") - } - - (ty::Bound(..), _) | (_, ty::Bound(..)) => { - bug!("bound types encountered in structurally_relate_tys") - } - - (&ty::Error(guar), _) | (_, &ty::Error(guar)) => Ok(Ty::new_error(tcx, guar)), - - (&ty::Never, _) - | (&ty::Char, _) - | (&ty::Bool, _) - | (&ty::Int(_), _) - | (&ty::Uint(_), _) - | (&ty::Float(_), _) - | (&ty::Str, _) - if a == b => - { - Ok(a) - } - - (ty::Param(a_p), ty::Param(b_p)) if a_p.index == b_p.index => { - debug_assert_eq!(a_p.name, b_p.name, "param types with same index differ in name"); - Ok(a) - } - - (ty::Placeholder(p1), ty::Placeholder(p2)) if p1 == p2 => Ok(a), - - (&ty::Adt(a_def, a_args), &ty::Adt(b_def, b_args)) if a_def == b_def => { - let args = relation.relate_item_args(a_def.did(), a_args, b_args)?; - Ok(Ty::new_adt(tcx, a_def, args)) - } - - (&ty::Foreign(a_id), &ty::Foreign(b_id)) if a_id == b_id => Ok(Ty::new_foreign(tcx, a_id)), - - (&ty::Dynamic(a_obj, a_region, a_repr), &ty::Dynamic(b_obj, b_region, b_repr)) - if a_repr == b_repr => - { - Ok(Ty::new_dynamic( - tcx, - relation.relate(a_obj, b_obj)?, - relation.relate(a_region, b_region)?, - a_repr, - )) - } - - (&ty::Coroutine(a_id, a_args), &ty::Coroutine(b_id, b_args)) if a_id == b_id => { - // All Coroutine types with the same id represent - // the (anonymous) type of the same coroutine expression. So - // all of their regions should be equated. - let args = relate_args_invariantly(relation, a_args, b_args)?; - Ok(Ty::new_coroutine(tcx, a_id, args)) - } - - (&ty::CoroutineWitness(a_id, a_args), &ty::CoroutineWitness(b_id, b_args)) - if a_id == b_id => - { - // All CoroutineWitness types with the same id represent - // the (anonymous) type of the same coroutine expression. So - // all of their regions should be equated. - let args = relate_args_invariantly(relation, a_args, b_args)?; - Ok(Ty::new_coroutine_witness(tcx, a_id, args)) - } - - (&ty::Closure(a_id, a_args), &ty::Closure(b_id, b_args)) if a_id == b_id => { - // All Closure types with the same id represent - // the (anonymous) type of the same closure expression. So - // all of their regions should be equated. - let args = relate_args_invariantly(relation, a_args, b_args)?; - Ok(Ty::new_closure(tcx, a_id, args)) - } - - (&ty::CoroutineClosure(a_id, a_args), &ty::CoroutineClosure(b_id, b_args)) - if a_id == b_id => - { - let args = relate_args_invariantly(relation, a_args, b_args)?; - Ok(Ty::new_coroutine_closure(tcx, a_id, args)) - } - - (&ty::RawPtr(a_ty, a_mutbl), &ty::RawPtr(b_ty, b_mutbl)) => { - if a_mutbl != b_mutbl { - return Err(TypeError::Mutability); - } - - let (variance, info) = match a_mutbl { - hir::Mutability::Not => (ty::Covariant, ty::VarianceDiagInfo::None), - hir::Mutability::Mut => { - (ty::Invariant, ty::VarianceDiagInfo::Invariant { ty: a, param_index: 0 }) - } - }; - - let ty = relation.relate_with_variance(variance, info, a_ty, b_ty)?; - - Ok(Ty::new_ptr(tcx, ty, a_mutbl)) - } - - (&ty::Ref(a_r, a_ty, a_mutbl), &ty::Ref(b_r, b_ty, b_mutbl)) => { - if a_mutbl != b_mutbl { - return Err(TypeError::Mutability); - } - - let (variance, info) = match a_mutbl { - hir::Mutability::Not => (ty::Covariant, ty::VarianceDiagInfo::None), - hir::Mutability::Mut => { - (ty::Invariant, ty::VarianceDiagInfo::Invariant { ty: a, param_index: 0 }) - } - }; - - let r = relation.relate(a_r, b_r)?; - let ty = relation.relate_with_variance(variance, info, a_ty, b_ty)?; - - Ok(Ty::new_ref(tcx, r, ty, a_mutbl)) - } - - (&ty::Array(a_t, sz_a), &ty::Array(b_t, sz_b)) => { - let t = relation.relate(a_t, b_t)?; - match relation.relate(sz_a, sz_b) { - Ok(sz) => Ok(Ty::new_array_with_const_len(tcx, t, sz)), - Err(err) => { - // Check whether the lengths are both concrete/known values, - // but are unequal, for better diagnostics. - let sz_a = sz_a.try_to_target_usize(tcx); - let sz_b = sz_b.try_to_target_usize(tcx); - - match (sz_a, sz_b) { - (Some(sz_a_val), Some(sz_b_val)) if sz_a_val != sz_b_val => { - Err(TypeError::FixedArraySize(expected_found(sz_a_val, sz_b_val))) - } - _ => Err(err), - } - } - } - } - - (&ty::Slice(a_t), &ty::Slice(b_t)) => { - let t = relation.relate(a_t, b_t)?; - Ok(Ty::new_slice(tcx, t)) - } - - (&ty::Tuple(as_), &ty::Tuple(bs)) => { - if as_.len() == bs.len() { - Ok(Ty::new_tup_from_iter( - tcx, - iter::zip(as_, bs).map(|(a, b)| relation.relate(a, b)), - )?) - } else if !(as_.is_empty() || bs.is_empty()) { - Err(TypeError::TupleSize(expected_found(as_.len(), bs.len()))) - } else { - Err(TypeError::Sorts(expected_found(a, b))) - } - } - - (&ty::FnDef(a_def_id, a_args), &ty::FnDef(b_def_id, b_args)) if a_def_id == b_def_id => { - let args = relation.relate_item_args(a_def_id, a_args, b_args)?; - Ok(Ty::new_fn_def(tcx, a_def_id, args)) - } - - (&ty::FnPtr(a_fty), &ty::FnPtr(b_fty)) => { - let fty = relation.relate(a_fty, b_fty)?; - Ok(Ty::new_fn_ptr(tcx, fty)) - } - - // Alias tend to mostly already be handled downstream due to normalization. - (&ty::Alias(a_kind, a_data), &ty::Alias(b_kind, b_data)) => { - let alias_ty = relation.relate(a_data, b_data)?; - assert_eq!(a_kind, b_kind); - Ok(Ty::new_alias(tcx, a_kind, alias_ty)) - } - - (&ty::Pat(a_ty, a_pat), &ty::Pat(b_ty, b_pat)) => { - let ty = relation.relate(a_ty, b_ty)?; - let pat = relation.relate(a_pat, b_pat)?; - Ok(Ty::new_pat(tcx, ty, pat)) - } - - _ => Err(TypeError::Sorts(expected_found(a, b))), - } -} - -/// Relates `a` and `b` structurally, calling the relation for all nested values. -/// Any semantic equality, e.g. of unevaluated consts, and inference variables have -/// to be handled by the caller. -/// -/// FIXME: This is not totally structual, which probably should be fixed. -/// See the HACKs below. -pub fn structurally_relate_consts<'tcx, R: TypeRelation<'tcx>>( - relation: &mut R, - mut a: ty::Const<'tcx>, - mut b: ty::Const<'tcx>, -) -> RelateResult<'tcx, ty::Const<'tcx>> { - debug!("{}.structurally_relate_consts(a = {:?}, b = {:?})", relation.tag(), a, b); - let tcx = relation.tcx(); - - if tcx.features().generic_const_exprs { - a = tcx.expand_abstract_consts(a); - b = tcx.expand_abstract_consts(b); - } - - debug!("{}.structurally_relate_consts(normed_a = {:?}, normed_b = {:?})", relation.tag(), a, b); - - // Currently, the values that can be unified are primitive types, - // and those that derive both `PartialEq` and `Eq`, corresponding - // to structural-match types. - let is_match = match (a.kind(), b.kind()) { - (ty::ConstKind::Infer(_), _) | (_, ty::ConstKind::Infer(_)) => { - // The caller should handle these cases! - bug!("var types encountered in structurally_relate_consts: {:?} {:?}", a, b) - } - - (ty::ConstKind::Error(_), _) => return Ok(a), - (_, ty::ConstKind::Error(_)) => return Ok(b), - - (ty::ConstKind::Param(a_p), ty::ConstKind::Param(b_p)) if a_p.index == b_p.index => { - debug_assert_eq!(a_p.name, b_p.name, "param types with same index differ in name"); - true - } - (ty::ConstKind::Placeholder(p1), ty::ConstKind::Placeholder(p2)) => p1 == p2, - (ty::ConstKind::Value(_, a_val), ty::ConstKind::Value(_, b_val)) => a_val == b_val, - - // While this is slightly incorrect, it shouldn't matter for `min_const_generics` - // and is the better alternative to waiting until `generic_const_exprs` can - // be stabilized. - (ty::ConstKind::Unevaluated(au), ty::ConstKind::Unevaluated(bu)) if au.def == bu.def => { - if cfg!(debug_assertions) { - let a_ty = tcx.type_of(au.def).instantiate(tcx, au.args); - let b_ty = tcx.type_of(bu.def).instantiate(tcx, bu.args); - assert_eq!(a_ty, b_ty); - } - - let args = relation.relate_with_variance( - ty::Variance::Invariant, - ty::VarianceDiagInfo::default(), - au.args, - bu.args, - )?; - return Ok(ty::Const::new_unevaluated(tcx, ty::UnevaluatedConst { def: au.def, args })); - } - (ty::ConstKind::Expr(ae), ty::ConstKind::Expr(be)) => { - match (ae.kind, be.kind) { - (ty::ExprKind::Binop(a_binop), ty::ExprKind::Binop(b_binop)) - if a_binop == b_binop => {} - (ty::ExprKind::UnOp(a_unop), ty::ExprKind::UnOp(b_unop)) if a_unop == b_unop => {} - (ty::ExprKind::FunctionCall, ty::ExprKind::FunctionCall) => {} - (ty::ExprKind::Cast(a_kind), ty::ExprKind::Cast(b_kind)) if a_kind == b_kind => {} - _ => return Err(TypeError::ConstMismatch(expected_found(a, b))), - } - - let args = relation.relate(ae.args(), be.args())?; - return Ok(ty::Const::new_expr(tcx, ty::Expr::new(ae.kind, args))); - } - _ => false, - }; - if is_match { Ok(a) } else { Err(TypeError::ConstMismatch(expected_found(a, b))) } -} - -impl<'tcx> Relate<'tcx> for &'tcx ty::List> { - fn relate>( +impl<'tcx> Relate> for &'tcx ty::List> { + fn relate>>( relation: &mut R, a: Self, b: Self, @@ -703,44 +106,65 @@ impl<'tcx> Relate<'tcx> for &'tcx ty::List> { b_v.sort_by(|a, b| a.skip_binder().stable_cmp(tcx, &b.skip_binder())); b_v.dedup(); if a_v.len() != b_v.len() { - return Err(TypeError::ExistentialMismatch(expected_found(a, b))); + return Err(TypeError::ExistentialMismatch(ExpectedFound::new(true, a, b))); } let v = iter::zip(a_v, b_v).map(|(ep_a, ep_b)| { match (ep_a.skip_binder(), ep_b.skip_binder()) { - (ExistentialPredicate::Trait(a), ExistentialPredicate::Trait(b)) => Ok(ep_a - .rebind(ExistentialPredicate::Trait( - relation.relate(ep_a.rebind(a), ep_b.rebind(b))?.skip_binder(), - ))), - (ExistentialPredicate::Projection(a), ExistentialPredicate::Projection(b)) => { - Ok(ep_a.rebind(ExistentialPredicate::Projection( + (ty::ExistentialPredicate::Trait(a), ty::ExistentialPredicate::Trait(b)) => { + Ok(ep_a.rebind(ty::ExistentialPredicate::Trait( relation.relate(ep_a.rebind(a), ep_b.rebind(b))?.skip_binder(), ))) } - (ExistentialPredicate::AutoTrait(a), ExistentialPredicate::AutoTrait(b)) - if a == b => - { - Ok(ep_a.rebind(ExistentialPredicate::AutoTrait(a))) - } - _ => Err(TypeError::ExistentialMismatch(expected_found(a, b))), + ( + ty::ExistentialPredicate::Projection(a), + ty::ExistentialPredicate::Projection(b), + ) => Ok(ep_a.rebind(ty::ExistentialPredicate::Projection( + relation.relate(ep_a.rebind(a), ep_b.rebind(b))?.skip_binder(), + ))), + ( + ty::ExistentialPredicate::AutoTrait(a), + ty::ExistentialPredicate::AutoTrait(b), + ) if a == b => Ok(ep_a.rebind(ty::ExistentialPredicate::AutoTrait(a))), + _ => Err(TypeError::ExistentialMismatch(ExpectedFound::new(true, a, b))), } }); tcx.mk_poly_existential_predicates_from_iter(v) } } -impl<'tcx> Relate<'tcx> for GenericArgsRef<'tcx> { - fn relate>( +impl<'tcx> Relate> for hir::Safety { + fn relate>>( + _relation: &mut R, + a: hir::Safety, + b: hir::Safety, + ) -> RelateResult<'tcx, hir::Safety> { + if a != b { Err(TypeError::SafetyMismatch(ExpectedFound::new(true, a, b))) } else { Ok(a) } + } +} + +impl<'tcx> Relate> for abi::Abi { + fn relate>>( + _relation: &mut R, + a: abi::Abi, + b: abi::Abi, + ) -> RelateResult<'tcx, abi::Abi> { + if a == b { Ok(a) } else { Err(TypeError::AbiMismatch(ExpectedFound::new(true, a, b))) } + } +} + +impl<'tcx> Relate> for ty::GenericArgsRef<'tcx> { + fn relate>>( relation: &mut R, - a: GenericArgsRef<'tcx>, - b: GenericArgsRef<'tcx>, - ) -> RelateResult<'tcx, GenericArgsRef<'tcx>> { + a: ty::GenericArgsRef<'tcx>, + b: ty::GenericArgsRef<'tcx>, + ) -> RelateResult<'tcx, ty::GenericArgsRef<'tcx>> { relate_args_invariantly(relation, a, b) } } -impl<'tcx> Relate<'tcx> for ty::Region<'tcx> { - fn relate>( +impl<'tcx> Relate> for ty::Region<'tcx> { + fn relate>>( relation: &mut R, a: ty::Region<'tcx>, b: ty::Region<'tcx>, @@ -749,8 +173,8 @@ impl<'tcx> Relate<'tcx> for ty::Region<'tcx> { } } -impl<'tcx> Relate<'tcx> for ty::Const<'tcx> { - fn relate>( +impl<'tcx> Relate> for ty::Const<'tcx> { + fn relate>>( relation: &mut R, a: ty::Const<'tcx>, b: ty::Const<'tcx>, @@ -759,85 +183,70 @@ impl<'tcx> Relate<'tcx> for ty::Const<'tcx> { } } -impl<'tcx, T: Relate<'tcx>> Relate<'tcx> for ty::Binder<'tcx, T> { - fn relate>( +impl<'tcx> Relate> for ty::Expr<'tcx> { + fn relate>>( relation: &mut R, - a: ty::Binder<'tcx, T>, - b: ty::Binder<'tcx, T>, - ) -> RelateResult<'tcx, ty::Binder<'tcx, T>> { - relation.binders(a, b) + ae: ty::Expr<'tcx>, + be: ty::Expr<'tcx>, + ) -> RelateResult<'tcx, ty::Expr<'tcx>> { + // FIXME(generic_const_exprs): is it possible to relate two consts which are not identical + // exprs? Should we care about that? + // FIXME(generic_const_exprs): relating the `ty()`s is a little weird since it is supposed to + // ICE If they mismatch. Unfortunately `ConstKind::Expr` is a little special and can be thought + // of as being generic over the argument types, however this is implicit so these types don't get + // related when we relate the args of the item this const arg is for. + match (ae.kind, be.kind) { + (ty::ExprKind::Binop(a_binop), ty::ExprKind::Binop(b_binop)) if a_binop == b_binop => {} + (ty::ExprKind::UnOp(a_unop), ty::ExprKind::UnOp(b_unop)) if a_unop == b_unop => {} + (ty::ExprKind::FunctionCall, ty::ExprKind::FunctionCall) => {} + (ty::ExprKind::Cast(a_kind), ty::ExprKind::Cast(b_kind)) if a_kind == b_kind => {} + _ => return Err(TypeError::Mismatch), + } + + let args = relation.relate(ae.args(), be.args())?; + Ok(ty::Expr::new(ae.kind, args)) } } -impl<'tcx> Relate<'tcx> for GenericArg<'tcx> { - fn relate>( +impl<'tcx> Relate> for ty::GenericArg<'tcx> { + fn relate>>( relation: &mut R, - a: GenericArg<'tcx>, - b: GenericArg<'tcx>, - ) -> RelateResult<'tcx, GenericArg<'tcx>> { + a: ty::GenericArg<'tcx>, + b: ty::GenericArg<'tcx>, + ) -> RelateResult<'tcx, ty::GenericArg<'tcx>> { match (a.unpack(), b.unpack()) { - (GenericArgKind::Lifetime(a_lt), GenericArgKind::Lifetime(b_lt)) => { + (ty::GenericArgKind::Lifetime(a_lt), ty::GenericArgKind::Lifetime(b_lt)) => { Ok(relation.relate(a_lt, b_lt)?.into()) } - (GenericArgKind::Type(a_ty), GenericArgKind::Type(b_ty)) => { + (ty::GenericArgKind::Type(a_ty), ty::GenericArgKind::Type(b_ty)) => { Ok(relation.relate(a_ty, b_ty)?.into()) } - (GenericArgKind::Const(a_ct), GenericArgKind::Const(b_ct)) => { + (ty::GenericArgKind::Const(a_ct), ty::GenericArgKind::Const(b_ct)) => { Ok(relation.relate(a_ct, b_ct)?.into()) } - (GenericArgKind::Lifetime(unpacked), x) => { + (ty::GenericArgKind::Lifetime(unpacked), x) => { bug!("impossible case reached: can't relate: {:?} with {:?}", unpacked, x) } - (GenericArgKind::Type(unpacked), x) => { + (ty::GenericArgKind::Type(unpacked), x) => { bug!("impossible case reached: can't relate: {:?} with {:?}", unpacked, x) } - (GenericArgKind::Const(unpacked), x) => { + (ty::GenericArgKind::Const(unpacked), x) => { bug!("impossible case reached: can't relate: {:?} with {:?}", unpacked, x) } } } } -impl<'tcx> Relate<'tcx> for ty::PredicatePolarity { - fn relate>( - _relation: &mut R, - a: ty::PredicatePolarity, - b: ty::PredicatePolarity, - ) -> RelateResult<'tcx, ty::PredicatePolarity> { - if a != b { Err(TypeError::PolarityMismatch(expected_found(a, b))) } else { Ok(a) } - } -} - -impl<'tcx> Relate<'tcx> for ty::TraitPredicate<'tcx> { - fn relate>( - relation: &mut R, - a: ty::TraitPredicate<'tcx>, - b: ty::TraitPredicate<'tcx>, - ) -> RelateResult<'tcx, ty::TraitPredicate<'tcx>> { - Ok(ty::TraitPredicate { - trait_ref: relation.relate(a.trait_ref, b.trait_ref)?, - polarity: relation.relate(a.polarity, b.polarity)?, - }) - } -} - -impl<'tcx> Relate<'tcx> for Term<'tcx> { - fn relate>( +impl<'tcx> Relate> for ty::Term<'tcx> { + fn relate>>( relation: &mut R, a: Self, b: Self, ) -> RelateResult<'tcx, Self> { Ok(match (a.unpack(), b.unpack()) { - (TermKind::Ty(a), TermKind::Ty(b)) => relation.relate(a, b)?.into(), - (TermKind::Const(a), TermKind::Const(b)) => relation.relate(a, b)?.into(), + (ty::TermKind::Ty(a), ty::TermKind::Ty(b)) => relation.relate(a, b)?.into(), + (ty::TermKind::Const(a), ty::TermKind::Const(b)) => relation.relate(a, b)?.into(), _ => return Err(TypeError::Mismatch), }) } } - -/////////////////////////////////////////////////////////////////////////// -// Error handling - -pub fn expected_found(a: T, b: T) -> ExpectedFound { - ExpectedFound::new(true, a, b) -} diff --git a/compiler/rustc_middle/src/ty/sty.rs b/compiler/rustc_middle/src/ty/sty.rs index c83f6b0b9ec6..ba9ed0d5b70a 100644 --- a/compiler/rustc_middle/src/ty/sty.rs +++ b/compiler/rustc_middle/src/ty/sty.rs @@ -810,6 +810,31 @@ impl<'tcx> rustc_type_ir::inherent::Ty> for Ty<'tcx> { Ty::new_alias(interner, kind, alias_ty) } + fn new_error(interner: TyCtxt<'tcx>, guar: ErrorGuaranteed) -> Self { + Ty::new_error(interner, guar) + } + + fn new_adt( + interner: TyCtxt<'tcx>, + adt_def: ty::AdtDef<'tcx>, + args: ty::GenericArgsRef<'tcx>, + ) -> Self { + Ty::new_adt(interner, adt_def, args) + } + + fn new_foreign(interner: TyCtxt<'tcx>, def_id: DefId) -> Self { + Ty::new_foreign(interner, def_id) + } + + fn new_dynamic( + interner: TyCtxt<'tcx>, + preds: &'tcx List>, + region: ty::Region<'tcx>, + kind: ty::DynKind, + ) -> Self { + Ty::new_dynamic(interner, preds, region, kind) + } + fn new_coroutine( interner: TyCtxt<'tcx>, def_id: DefId, @@ -818,6 +843,51 @@ impl<'tcx> rustc_type_ir::inherent::Ty> for Ty<'tcx> { Ty::new_coroutine(interner, def_id, args) } + fn new_coroutine_closure( + interner: TyCtxt<'tcx>, + def_id: DefId, + args: ty::GenericArgsRef<'tcx>, + ) -> Self { + Ty::new_coroutine_closure(interner, def_id, args) + } + + fn new_closure(interner: TyCtxt<'tcx>, def_id: DefId, args: ty::GenericArgsRef<'tcx>) -> Self { + Ty::new_closure(interner, def_id, args) + } + + fn new_coroutine_witness( + interner: TyCtxt<'tcx>, + def_id: DefId, + args: ty::GenericArgsRef<'tcx>, + ) -> Self { + Ty::new_coroutine_witness(interner, def_id, args) + } + + fn new_ptr(interner: TyCtxt<'tcx>, ty: Self, mutbl: hir::Mutability) -> Self { + Ty::new_ptr(interner, ty, mutbl) + } + + fn new_ref( + interner: TyCtxt<'tcx>, + region: ty::Region<'tcx>, + ty: Self, + mutbl: hir::Mutability, + ) -> Self { + Ty::new_ref(interner, region, ty, mutbl) + } + + fn new_array_with_const_len(interner: TyCtxt<'tcx>, ty: Self, len: ty::Const<'tcx>) -> Self { + Ty::new_array_with_const_len(interner, ty, len) + } + + fn new_slice(interner: TyCtxt<'tcx>, ty: Self) -> Self { + Ty::new_slice(interner, ty) + } + + fn new_tup(interner: TyCtxt<'tcx>, tys: &[Ty<'tcx>]) -> Self { + Ty::new_tup(interner, tys) + } + fn new_tup_from_iter(interner: TyCtxt<'tcx>, iter: It) -> T::Output where It: Iterator, @@ -844,6 +914,18 @@ impl<'tcx> rustc_type_ir::inherent::Ty> for Ty<'tcx> { ) -> Self { Ty::from_coroutine_closure_kind(interner, kind) } + + fn new_fn_def(interner: TyCtxt<'tcx>, def_id: DefId, args: ty::GenericArgsRef<'tcx>) -> Self { + Ty::new_fn_def(interner, def_id, args) + } + + fn new_fn_ptr(interner: TyCtxt<'tcx>, sig: ty::Binder<'tcx, ty::FnSig<'tcx>>) -> Self { + Ty::new_fn_ptr(interner, sig) + } + + fn new_pat(interner: TyCtxt<'tcx>, ty: Self, pat: ty::Pattern<'tcx>) -> Self { + Ty::new_pat(interner, ty, pat) + } } /// Type utilities @@ -1812,43 +1894,6 @@ impl<'tcx> rustc_type_ir::inherent::Tys> for &'tcx ty::List { - /// No additional information - this is the default. - /// We will not add any additional information to error messages. - #[default] - None, - /// We switched our variance because a generic argument occurs inside - /// the invariant generic argument of another type. - Invariant { - /// The generic type containing the generic parameter - /// that changes the variance (e.g. `*mut T`, `MyStruct`) - ty: Ty<'tcx>, - /// The index of the generic parameter being used - /// (e.g. `0` for `*mut T`, `1` for `MyStruct<'CovariantParam, 'InvariantParam>`) - param_index: u32, - }, -} - -impl<'tcx> VarianceDiagInfo<'tcx> { - /// Mirrors `Variance::xform` - used to 'combine' the existing - /// and new `VarianceDiagInfo`s when our variance changes. - pub fn xform(self, other: VarianceDiagInfo<'tcx>) -> VarianceDiagInfo<'tcx> { - // For now, just use the first `VarianceDiagInfo::Invariant` that we see - match self { - VarianceDiagInfo::None => other, - VarianceDiagInfo::Invariant { .. } => self, - } - } -} - // Some types are used a lot. Make sure they don't unintentionally get bigger. #[cfg(target_pointer_width = "64")] mod size_asserts { diff --git a/compiler/rustc_next_trait_solver/Cargo.toml b/compiler/rustc_next_trait_solver/Cargo.toml index 8bcc21d82f85..c30d21fd7843 100644 --- a/compiler/rustc_next_trait_solver/Cargo.toml +++ b/compiler/rustc_next_trait_solver/Cargo.toml @@ -4,13 +4,16 @@ version = "0.0.0" edition = "2021" [dependencies] -rustc_type_ir = { path = "../rustc_type_ir", default-features = false } +# tidy-alphabetical-start derivative = "2.2.0" -rustc_macros = { path = "../rustc_macros", optional = true } -rustc_type_ir_macros = { path = "../rustc_type_ir_macros" } -rustc_serialize = { path = "../rustc_serialize", optional = true } -rustc_data_structures = { path = "../rustc_data_structures", optional = true } rustc_ast_ir = { path = "../rustc_ast_ir", default-features = false } +rustc_data_structures = { path = "../rustc_data_structures", optional = true } +rustc_macros = { path = "../rustc_macros", optional = true } +rustc_serialize = { path = "../rustc_serialize", optional = true } +rustc_type_ir = { path = "../rustc_type_ir", default-features = false } +rustc_type_ir_macros = { path = "../rustc_type_ir_macros" } +tracing = "0.1" +# tidy-alphabetical-end [features] default = ["nightly"] diff --git a/compiler/rustc_next_trait_solver/src/resolve.rs b/compiler/rustc_next_trait_solver/src/resolve.rs index 92e05cc4901a..5c00b6978d69 100644 --- a/compiler/rustc_next_trait_solver/src/resolve.rs +++ b/compiler/rustc_next_trait_solver/src/resolve.rs @@ -7,11 +7,11 @@ use rustc_type_ir::{self as ty, InferCtxtLike, Interner}; // EAGER RESOLUTION /// Resolves ty, region, and const vars to their inferred values or their root vars. -pub struct EagerResolver< - 'a, +pub struct EagerResolver<'a, Infcx, I = ::Interner> +where Infcx: InferCtxtLike, - I: Interner = ::Interner, -> { + I: Interner, +{ infcx: &'a Infcx, } diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs index f90e47110376..b522022c2067 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs @@ -37,11 +37,11 @@ pub(super) mod canonical; mod probe; mod select; -pub struct EvalCtxt< - 'a, +pub struct EvalCtxt<'a, Infcx, I = ::Interner> +where Infcx: InferCtxtLike, - I: Interner = ::Interner, -> { + I: Interner, +{ /// The inference context that backs (mostly) inference and placeholder terms /// instantiated while solving goals. /// diff --git a/compiler/rustc_trait_selection/src/traits/select/mod.rs b/compiler/rustc_trait_selection/src/traits/select/mod.rs index 9e6ae9125150..4a935f4a64a0 100644 --- a/compiler/rustc_trait_selection/src/traits/select/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/select/mod.rs @@ -32,6 +32,8 @@ use rustc_data_structures::stack::ensure_sufficient_stack; use rustc_errors::{Diag, EmissionGuarantee}; use rustc_hir as hir; use rustc_hir::def_id::DefId; +use rustc_infer::infer::relate::MatchAgainstFreshVars; +use rustc_infer::infer::relate::TypeRelation; use rustc_infer::infer::BoundRegionConversionTime; use rustc_infer::infer::BoundRegionConversionTime::HigherRankedType; use rustc_infer::infer::DefineOpaqueTypes; @@ -40,11 +42,9 @@ use rustc_middle::bug; use rustc_middle::dep_graph::dep_kinds; use rustc_middle::dep_graph::DepNodeIndex; use rustc_middle::mir::interpret::ErrorHandled; -use rustc_middle::ty::_match::MatchAgainstFreshVars; use rustc_middle::ty::abstract_const::NotConstEvaluatable; use rustc_middle::ty::error::TypeErrorToStringExt; use rustc_middle::ty::print::PrintTraitRefExt as _; -use rustc_middle::ty::relate::TypeRelation; use rustc_middle::ty::GenericArgsRef; use rustc_middle::ty::{self, PolyProjectionPredicate, Upcast}; use rustc_middle::ty::{Ty, TyCtxt, TypeFoldable, TypeVisitableExt}; diff --git a/compiler/rustc_type_ir/src/inherent.rs b/compiler/rustc_type_ir/src/inherent.rs index 94874a6acfce..205a1e5f100e 100644 --- a/compiler/rustc_type_ir/src/inherent.rs +++ b/compiler/rustc_type_ir/src/inherent.rs @@ -7,7 +7,10 @@ use std::fmt::Debug; use std::hash::Hash; use std::ops::Deref; +use rustc_ast_ir::Mutability; + use crate::fold::{TypeFoldable, TypeSuperFoldable}; +use crate::relate::Relate; use crate::visit::{Flags, TypeSuperVisitable, TypeVisitable}; use crate::{self as ty, CollectAndApply, DebugWithInfcx, Interner, UpcastFrom}; @@ -21,6 +24,7 @@ pub trait Ty>: + IntoKind> + TypeSuperVisitable + TypeSuperFoldable + + Relate + Flags { fn new_bool(interner: I) -> Self; @@ -35,8 +39,37 @@ pub trait Ty>: fn new_alias(interner: I, kind: ty::AliasTyKind, alias_ty: ty::AliasTy) -> Self; + fn new_error(interner: I, guar: I::ErrorGuaranteed) -> Self; + + fn new_adt(interner: I, adt_def: I::AdtDef, args: I::GenericArgs) -> Self; + + fn new_foreign(interner: I, def_id: I::DefId) -> Self; + + fn new_dynamic( + interner: I, + preds: I::BoundExistentialPredicates, + region: I::Region, + kind: ty::DynKind, + ) -> Self; + fn new_coroutine(interner: I, def_id: I::DefId, args: I::GenericArgs) -> Self; + fn new_coroutine_closure(interner: I, def_id: I::DefId, args: I::GenericArgs) -> Self; + + fn new_closure(interner: I, def_id: I::DefId, args: I::GenericArgs) -> Self; + + fn new_coroutine_witness(interner: I, def_id: I::DefId, args: I::GenericArgs) -> Self; + + fn new_ptr(interner: I, ty: Self, mutbl: Mutability) -> Self; + + fn new_ref(interner: I, region: I::Region, ty: Self, mutbl: Mutability) -> Self; + + fn new_array_with_const_len(interner: I, ty: Self, len: I::Const) -> Self; + + fn new_slice(interner: I, ty: Self) -> Self; + + fn new_tup(interner: I, tys: &[I::Ty]) -> Self; + fn new_tup_from_iter(interner: I, iter: It) -> T::Output where It: Iterator, @@ -49,6 +82,12 @@ pub trait Ty>: fn from_closure_kind(interner: I, kind: ty::ClosureKind) -> Self; fn from_coroutine_closure_kind(interner: I, kind: ty::ClosureKind) -> Self; + + fn new_fn_def(interner: I, def_id: I::DefId, args: I::GenericArgs) -> Self; + + fn new_fn_ptr(interner: I, sig: ty::Binder>) -> Self; + + fn new_pat(interner: I, ty: Self, pat: I::Pat) -> Self; } pub trait Tys>: @@ -84,6 +123,7 @@ pub trait Region>: + IntoKind> + Flags + TypeVisitable + + Relate { fn new_bound(interner: I, debruijn: ty::DebruijnIndex, var: I::BoundRegion) -> Self; @@ -102,8 +142,11 @@ pub trait Const>: + IntoKind> + TypeSuperVisitable + TypeSuperFoldable + + Relate + Flags { + fn try_to_target_usize(self, interner: I) -> Option; + fn new_infer(interner: I, var: ty::InferConst) -> Self; fn new_var(interner: I, var: ty::ConstVid) -> Self; @@ -113,6 +156,8 @@ pub trait Const>: fn new_anon_bound(interner: I, debruijn: ty::DebruijnIndex, var: ty::BoundVar) -> Self; fn new_unevaluated(interner: I, uv: ty::UnevaluatedConst) -> Self; + + fn new_expr(interner: I, expr: I::ExprConst) -> Self; } pub trait GenericsOf> { @@ -128,13 +173,14 @@ pub trait GenericArgs>: + Deref> + Default + TypeFoldable + + Relate { fn type_at(self, i: usize) -> I::Ty; fn identity_for_item(interner: I, def_id: I::DefId) -> I::GenericArgs; fn extend_with_error( - tcx: I, + interner: I, def_id: I::DefId, original_args: &[I::GenericArg], ) -> I::GenericArgs; @@ -193,3 +239,11 @@ pub trait BoundVarLike { pub trait ParamLike { fn index(self) -> u32; } + +pub trait AdtDef: Copy + Debug + Hash + Eq { + fn def_id(self) -> I::DefId; +} + +pub trait Features: Copy { + fn generic_const_exprs(self) -> bool; +} diff --git a/compiler/rustc_type_ir/src/interner.rs b/compiler/rustc_type_ir/src/interner.rs index 6ebb434299b3..ad1d2753b282 100644 --- a/compiler/rustc_type_ir/src/interner.rs +++ b/compiler/rustc_type_ir/src/interner.rs @@ -6,6 +6,7 @@ use std::ops::Deref; use crate::fold::TypeFoldable; use crate::inherent::*; use crate::ir_print::IrPrint; +use crate::relate::Relate; use crate::solve::inspect::CanonicalGoalEvaluationStep; use crate::visit::{Flags, TypeSuperVisitable, TypeVisitable}; use crate::{self as ty, DebugWithInfcx}; @@ -25,8 +26,8 @@ pub trait Interner: + IrPrint> + IrPrint> { - type DefId: Copy + Debug + Hash + Eq + TypeVisitable; - type AdtDef: Copy + Debug + Hash + Eq; + type DefId: Copy + Debug + Hash + Eq + TypeFoldable; + type AdtDef: AdtDef; type GenericArgs: GenericArgs; type GenericArgsSlice: Copy + Debug + Hash + Eq + Deref; @@ -35,8 +36,15 @@ pub trait Interner: + Hash + Eq + IntoKind> - + TypeVisitable; - type Term: Copy + Debug + Hash + Eq + IntoKind> + TypeVisitable; + + TypeVisitable + + Relate; + type Term: Copy + + Debug + + Hash + + Eq + + IntoKind> + + TypeFoldable + + Relate; type BoundVarKinds: Copy + Debug @@ -66,11 +74,11 @@ pub trait Interner: // Things stored inside of tys type ErrorGuaranteed: Copy + Debug + Hash + Eq; - type BoundExistentialPredicates: Copy + DebugWithInfcx + Hash + Eq; + type BoundExistentialPredicates: Copy + DebugWithInfcx + Hash + Eq + Relate; type AllocId: Copy + Debug + Hash + Eq; - type Pat: Copy + Debug + Hash + Eq + DebugWithInfcx; - type Safety: Safety; - type Abi: Abi; + type Pat: Copy + Debug + Hash + Eq + DebugWithInfcx + Relate; + type Safety: Safety + TypeFoldable + Relate; + type Abi: Abi + TypeFoldable + Relate; // Kinds of consts type Const: Const; @@ -78,7 +86,7 @@ pub trait Interner: type ParamConst: Copy + Debug + Hash + Eq + ParamLike; type BoundConst: Copy + Debug + Hash + Eq + BoundVarLike; type ValueConst: Copy + Debug + Hash + Eq; - type ExprConst: Copy + DebugWithInfcx + Hash + Eq; + type ExprConst: Copy + DebugWithInfcx + Hash + Eq + Relate; // Kinds of regions type Region: Region; @@ -93,11 +101,16 @@ pub trait Interner: type Clause: Clause; type Clauses: Copy + Debug + Hash + Eq + TypeSuperVisitable + Flags; + fn expand_abstract_consts>(self, t: T) -> T; + fn mk_canonical_var_infos(self, infos: &[ty::CanonicalVarInfo]) -> Self::CanonicalVars; type GenericsOf: GenericsOf; fn generics_of(self, def_id: Self::DefId) -> Self::GenericsOf; + type VariancesOf: Copy + Debug + Deref; + fn variances_of(self, def_id: Self::DefId) -> Self::VariancesOf; + // FIXME: Remove after uplifting `EarlyBinder` fn type_of(self, def_id: Self::DefId) -> ty::EarlyBinder; @@ -112,7 +125,12 @@ pub trait Interner: ) -> (ty::TraitRef, Self::GenericArgsSlice); fn mk_args(self, args: &[Self::GenericArg]) -> Self::GenericArgs; - fn mk_args_from_iter(self, args: impl Iterator) -> Self::GenericArgs; + + fn mk_args_from_iter(self, args: I) -> T::Output + where + I: Iterator, + T: CollectAndApply; + fn check_and_mk_args( self, def_id: Self::DefId, @@ -124,9 +142,17 @@ pub trait Interner: step: CanonicalGoalEvaluationStep, ) -> Self::CanonicalGoalEvaluationStepRef; + fn mk_type_list_from_iter(self, args: I) -> T::Output + where + I: Iterator, + T: CollectAndApply; + fn parent(self, def_id: Self::DefId) -> Self::DefId; fn recursion_limit(self) -> usize; + + type Features: Features; + fn features(self) -> Self::Features; } /// Imagine you have a function `F: FnOnce(&[T]) -> R`, plus an iterator `iter` diff --git a/compiler/rustc_type_ir/src/lib.rs b/compiler/rustc_type_ir/src/lib.rs index 7d363daa420a..737164689303 100644 --- a/compiler/rustc_type_ir/src/lib.rs +++ b/compiler/rustc_type_ir/src/lib.rs @@ -31,6 +31,7 @@ pub mod fold; pub mod inherent; pub mod ir_print; pub mod lift; +pub mod relate; pub mod solve; // These modules are not `pub` since they are glob-imported. diff --git a/compiler/rustc_type_ir/src/relate.rs b/compiler/rustc_type_ir/src/relate.rs new file mode 100644 index 000000000000..cae1d13020d3 --- /dev/null +++ b/compiler/rustc_type_ir/src/relate.rs @@ -0,0 +1,666 @@ +use std::iter; + +use rustc_ast_ir::Mutability; +use rustc_type_ir::error::{ExpectedFound, TypeError}; +use rustc_type_ir::fold::TypeFoldable; +use rustc_type_ir::inherent::*; +use rustc_type_ir::{self as ty, Interner}; +use tracing::{debug, instrument}; + +pub type RelateResult = Result>; + +/// Extra information about why we ended up with a particular variance. +/// This is only used to add more information to error messages, and +/// has no effect on soundness. While choosing the 'wrong' `VarianceDiagInfo` +/// may lead to confusing notes in error messages, it will never cause +/// a miscompilation or unsoundness. +/// +/// When in doubt, use `VarianceDiagInfo::default()` +#[derive(derivative::Derivative)] +#[derivative( + Copy(bound = ""), + Clone(bound = ""), + Debug(bound = ""), + Default(bound = ""), + PartialEq(bound = ""), + Eq(bound = "") +)] +pub enum VarianceDiagInfo { + /// No additional information - this is the default. + /// We will not add any additional information to error messages. + #[derivative(Default)] + None, + /// We switched our variance because a generic argument occurs inside + /// the invariant generic argument of another type. + Invariant { + /// The generic type containing the generic parameter + /// that changes the variance (e.g. `*mut T`, `MyStruct`) + ty: I::Ty, + /// The index of the generic parameter being used + /// (e.g. `0` for `*mut T`, `1` for `MyStruct<'CovariantParam, 'InvariantParam>`) + param_index: u32, + }, +} + +impl VarianceDiagInfo { + /// Mirrors `Variance::xform` - used to 'combine' the existing + /// and new `VarianceDiagInfo`s when our variance changes. + pub fn xform(self, other: VarianceDiagInfo) -> VarianceDiagInfo { + // For now, just use the first `VarianceDiagInfo::Invariant` that we see + match self { + VarianceDiagInfo::None => other, + VarianceDiagInfo::Invariant { .. } => self, + } + } +} + +pub trait TypeRelation: Sized { + fn tcx(&self) -> I; + + /// Returns a static string we can use for printouts. + fn tag(&self) -> &'static str; + + /// Generic relation routine suitable for most anything. + fn relate>(&mut self, a: T, b: T) -> RelateResult { + Relate::relate(self, a, b) + } + + /// Relate the two args for the given item. The default + /// is to look up the variance for the item and proceed + /// accordingly. + fn relate_item_args( + &mut self, + item_def_id: I::DefId, + a_arg: I::GenericArgs, + b_arg: I::GenericArgs, + ) -> RelateResult { + debug!( + "relate_item_args(item_def_id={:?}, a_arg={:?}, b_arg={:?})", + item_def_id, a_arg, b_arg + ); + + let tcx = self.tcx(); + let opt_variances = tcx.variances_of(item_def_id); + relate_args_with_variances(self, item_def_id, &opt_variances, a_arg, b_arg, true) + } + + /// Switch variance for the purpose of relating `a` and `b`. + fn relate_with_variance>( + &mut self, + variance: ty::Variance, + info: VarianceDiagInfo, + a: T, + b: T, + ) -> RelateResult; + + // Overridable relations. You shouldn't typically call these + // directly, instead call `relate()`, which in turn calls + // these. This is both more uniform but also allows us to add + // additional hooks for other types in the future if needed + // without making older code, which called `relate`, obsolete. + + fn tys(&mut self, a: I::Ty, b: I::Ty) -> RelateResult; + + fn regions(&mut self, a: I::Region, b: I::Region) -> RelateResult; + + fn consts(&mut self, a: I::Const, b: I::Const) -> RelateResult; + + fn binders( + &mut self, + a: ty::Binder, + b: ty::Binder, + ) -> RelateResult> + where + T: Relate; +} + +pub trait Relate: TypeFoldable + PartialEq + Copy { + fn relate>(relation: &mut R, a: Self, b: Self) -> RelateResult; +} + +/////////////////////////////////////////////////////////////////////////// +// Relate impls + +#[inline] +pub fn relate_args_invariantly>( + relation: &mut R, + a_arg: I::GenericArgs, + b_arg: I::GenericArgs, +) -> RelateResult { + relation.tcx().mk_args_from_iter(iter::zip(a_arg, b_arg).map(|(a, b)| { + relation.relate_with_variance(ty::Variance::Invariant, VarianceDiagInfo::default(), a, b) + })) +} + +pub fn relate_args_with_variances>( + relation: &mut R, + ty_def_id: I::DefId, + variances: &[ty::Variance], + a_arg: I::GenericArgs, + b_arg: I::GenericArgs, + fetch_ty_for_diag: bool, +) -> RelateResult { + let tcx = relation.tcx(); + + let mut cached_ty = None; + let params = iter::zip(a_arg, b_arg).enumerate().map(|(i, (a, b))| { + let variance = variances[i]; + let variance_info = if variance == ty::Variance::Invariant && fetch_ty_for_diag { + let ty = + *cached_ty.get_or_insert_with(|| tcx.type_of(ty_def_id).instantiate(tcx, &a_arg)); + VarianceDiagInfo::Invariant { ty, param_index: i.try_into().unwrap() } + } else { + VarianceDiagInfo::default() + }; + relation.relate_with_variance(variance, variance_info, a, b) + }); + + tcx.mk_args_from_iter(params) +} + +impl Relate for ty::FnSig { + fn relate>( + relation: &mut R, + a: ty::FnSig, + b: ty::FnSig, + ) -> RelateResult> { + let tcx = relation.tcx(); + + if a.c_variadic != b.c_variadic { + return Err(TypeError::VariadicMismatch({ + let a = a.c_variadic; + let b = b.c_variadic; + ExpectedFound::new(true, a, b) + })); + } + let safety = relation.relate(a.safety, b.safety)?; + let abi = relation.relate(a.abi, b.abi)?; + + let a_inputs = a.inputs(); + let b_inputs = b.inputs(); + + if a_inputs.len() != b_inputs.len() { + return Err(TypeError::ArgCount); + } + + let inputs_and_output = iter::zip(a_inputs.iter(), b_inputs.iter()) + .map(|(&a, &b)| ((a, b), false)) + .chain(iter::once(((a.output(), b.output()), true))) + .map(|((a, b), is_output)| { + if is_output { + relation.relate(a, b) + } else { + relation.relate_with_variance( + ty::Variance::Contravariant, + VarianceDiagInfo::default(), + a, + b, + ) + } + }) + .enumerate() + .map(|(i, r)| match r { + Err(TypeError::Sorts(exp_found) | TypeError::ArgumentSorts(exp_found, _)) => { + Err(TypeError::ArgumentSorts(exp_found, i)) + } + Err(TypeError::Mutability | TypeError::ArgumentMutability(_)) => { + Err(TypeError::ArgumentMutability(i)) + } + r => r, + }); + Ok(ty::FnSig { + inputs_and_output: tcx.mk_type_list_from_iter(inputs_and_output)?, + c_variadic: a.c_variadic, + safety, + abi, + }) + } +} + +impl Relate for ty::BoundConstness { + fn relate>( + _relation: &mut R, + a: ty::BoundConstness, + b: ty::BoundConstness, + ) -> RelateResult { + if a != b { + Err(TypeError::ConstnessMismatch(ExpectedFound::new(true, a, b))) + } else { + Ok(a) + } + } +} + +impl Relate for ty::AliasTy { + fn relate>( + relation: &mut R, + a: ty::AliasTy, + b: ty::AliasTy, + ) -> RelateResult> { + if a.def_id != b.def_id { + Err(TypeError::ProjectionMismatched({ + let a = a.def_id; + let b = b.def_id; + ExpectedFound::new(true, a, b) + })) + } else { + let args = match a.kind(relation.tcx()) { + ty::Opaque => relate_args_with_variances( + relation, + a.def_id, + &relation.tcx().variances_of(a.def_id), + a.args, + b.args, + false, // do not fetch `type_of(a_def_id)`, as it will cause a cycle + )?, + ty::Projection | ty::Weak | ty::Inherent => { + relate_args_invariantly(relation, a.args, b.args)? + } + }; + Ok(ty::AliasTy::new(relation.tcx(), a.def_id, args)) + } + } +} + +impl Relate for ty::AliasTerm { + fn relate>( + relation: &mut R, + a: ty::AliasTerm, + b: ty::AliasTerm, + ) -> RelateResult> { + if a.def_id != b.def_id { + Err(TypeError::ProjectionMismatched({ + let a = a.def_id; + let b = b.def_id; + ExpectedFound::new(true, a, b) + })) + } else { + let args = match a.kind(relation.tcx()) { + ty::AliasTermKind::OpaqueTy => relate_args_with_variances( + relation, + a.def_id, + &relation.tcx().variances_of(a.def_id), + a.args, + b.args, + false, // do not fetch `type_of(a_def_id)`, as it will cause a cycle + )?, + ty::AliasTermKind::ProjectionTy + | ty::AliasTermKind::WeakTy + | ty::AliasTermKind::InherentTy + | ty::AliasTermKind::UnevaluatedConst + | ty::AliasTermKind::ProjectionConst => { + relate_args_invariantly(relation, a.args, b.args)? + } + }; + Ok(ty::AliasTerm::new(relation.tcx(), a.def_id, args)) + } + } +} + +impl Relate for ty::ExistentialProjection { + fn relate>( + relation: &mut R, + a: ty::ExistentialProjection, + b: ty::ExistentialProjection, + ) -> RelateResult> { + if a.def_id != b.def_id { + Err(TypeError::ProjectionMismatched({ + let a = a.def_id; + let b = b.def_id; + ExpectedFound::new(true, a, b) + })) + } else { + let term = relation.relate_with_variance( + ty::Variance::Invariant, + VarianceDiagInfo::default(), + a.term, + b.term, + )?; + let args = relation.relate_with_variance( + ty::Variance::Invariant, + VarianceDiagInfo::default(), + a.args, + b.args, + )?; + Ok(ty::ExistentialProjection { def_id: a.def_id, args, term }) + } + } +} + +impl Relate for ty::TraitRef { + fn relate>( + relation: &mut R, + a: ty::TraitRef, + b: ty::TraitRef, + ) -> RelateResult> { + // Different traits cannot be related. + if a.def_id != b.def_id { + Err(TypeError::Traits({ + let a = a.def_id; + let b = b.def_id; + ExpectedFound::new(true, a, b) + })) + } else { + let args = relate_args_invariantly(relation, a.args, b.args)?; + Ok(ty::TraitRef::new(relation.tcx(), a.def_id, args)) + } + } +} + +impl Relate for ty::ExistentialTraitRef { + fn relate>( + relation: &mut R, + a: ty::ExistentialTraitRef, + b: ty::ExistentialTraitRef, + ) -> RelateResult> { + // Different traits cannot be related. + if a.def_id != b.def_id { + Err(TypeError::Traits({ + let a = a.def_id; + let b = b.def_id; + ExpectedFound::new(true, a, b) + })) + } else { + let args = relate_args_invariantly(relation, a.args, b.args)?; + Ok(ty::ExistentialTraitRef { def_id: a.def_id, args }) + } + } +} + +/// Relates `a` and `b` structurally, calling the relation for all nested values. +/// Any semantic equality, e.g. of projections, and inference variables have to be +/// handled by the caller. +#[instrument(level = "trace", skip(relation), ret)] +pub fn structurally_relate_tys>( + relation: &mut R, + a: I::Ty, + b: I::Ty, +) -> RelateResult { + let tcx = relation.tcx(); + match (a.kind(), b.kind()) { + (ty::Infer(_), _) | (_, ty::Infer(_)) => { + // The caller should handle these cases! + panic!("var types encountered in structurally_relate_tys") + } + + (ty::Bound(..), _) | (_, ty::Bound(..)) => { + panic!("bound types encountered in structurally_relate_tys") + } + + (ty::Error(guar), _) | (_, ty::Error(guar)) => Ok(Ty::new_error(tcx, guar)), + + (ty::Never, _) + | (ty::Char, _) + | (ty::Bool, _) + | (ty::Int(_), _) + | (ty::Uint(_), _) + | (ty::Float(_), _) + | (ty::Str, _) + if a == b => + { + Ok(a) + } + + (ty::Param(a_p), ty::Param(b_p)) if a_p.index() == b_p.index() => { + // FIXME: Put this back + //debug_assert_eq!(a_p.name(), b_p.name(), "param types with same index differ in name"); + Ok(a) + } + + (ty::Placeholder(p1), ty::Placeholder(p2)) if p1 == p2 => Ok(a), + + (ty::Adt(a_def, a_args), ty::Adt(b_def, b_args)) if a_def == b_def => { + let args = relation.relate_item_args(a_def.def_id(), a_args, b_args)?; + Ok(Ty::new_adt(tcx, a_def, args)) + } + + (ty::Foreign(a_id), ty::Foreign(b_id)) if a_id == b_id => Ok(Ty::new_foreign(tcx, a_id)), + + (ty::Dynamic(a_obj, a_region, a_repr), ty::Dynamic(b_obj, b_region, b_repr)) + if a_repr == b_repr => + { + Ok(Ty::new_dynamic( + tcx, + relation.relate(a_obj, b_obj)?, + relation.relate(a_region, b_region)?, + a_repr, + )) + } + + (ty::Coroutine(a_id, a_args), ty::Coroutine(b_id, b_args)) if a_id == b_id => { + // All Coroutine types with the same id represent + // the (anonymous) type of the same coroutine expression. So + // all of their regions should be equated. + let args = relate_args_invariantly(relation, a_args, b_args)?; + Ok(Ty::new_coroutine(tcx, a_id, args)) + } + + (ty::CoroutineWitness(a_id, a_args), ty::CoroutineWitness(b_id, b_args)) + if a_id == b_id => + { + // All CoroutineWitness types with the same id represent + // the (anonymous) type of the same coroutine expression. So + // all of their regions should be equated. + let args = relate_args_invariantly(relation, a_args, b_args)?; + Ok(Ty::new_coroutine_witness(tcx, a_id, args)) + } + + (ty::Closure(a_id, a_args), ty::Closure(b_id, b_args)) if a_id == b_id => { + // All Closure types with the same id represent + // the (anonymous) type of the same closure expression. So + // all of their regions should be equated. + let args = relate_args_invariantly(relation, a_args, b_args)?; + Ok(Ty::new_closure(tcx, a_id, args)) + } + + (ty::CoroutineClosure(a_id, a_args), ty::CoroutineClosure(b_id, b_args)) + if a_id == b_id => + { + let args = relate_args_invariantly(relation, a_args, b_args)?; + Ok(Ty::new_coroutine_closure(tcx, a_id, args)) + } + + (ty::RawPtr(a_ty, a_mutbl), ty::RawPtr(b_ty, b_mutbl)) => { + if a_mutbl != b_mutbl { + return Err(TypeError::Mutability); + } + + let (variance, info) = match a_mutbl { + Mutability::Not => (ty::Variance::Covariant, VarianceDiagInfo::None), + Mutability::Mut => { + (ty::Variance::Invariant, VarianceDiagInfo::Invariant { ty: a, param_index: 0 }) + } + }; + + let ty = relation.relate_with_variance(variance, info, a_ty, b_ty)?; + + Ok(Ty::new_ptr(tcx, ty, a_mutbl)) + } + + (ty::Ref(a_r, a_ty, a_mutbl), ty::Ref(b_r, b_ty, b_mutbl)) => { + if a_mutbl != b_mutbl { + return Err(TypeError::Mutability); + } + + let (variance, info) = match a_mutbl { + Mutability::Not => (ty::Variance::Covariant, VarianceDiagInfo::None), + Mutability::Mut => { + (ty::Variance::Invariant, VarianceDiagInfo::Invariant { ty: a, param_index: 0 }) + } + }; + + let r = relation.relate(a_r, b_r)?; + let ty = relation.relate_with_variance(variance, info, a_ty, b_ty)?; + + Ok(Ty::new_ref(tcx, r, ty, a_mutbl)) + } + + (ty::Array(a_t, sz_a), ty::Array(b_t, sz_b)) => { + let t = relation.relate(a_t, b_t)?; + match relation.relate(sz_a, sz_b) { + Ok(sz) => Ok(Ty::new_array_with_const_len(tcx, t, sz)), + Err(err) => { + // Check whether the lengths are both concrete/known values, + // but are unequal, for better diagnostics. + let sz_a = sz_a.try_to_target_usize(tcx); + let sz_b = sz_b.try_to_target_usize(tcx); + + match (sz_a, sz_b) { + (Some(sz_a_val), Some(sz_b_val)) if sz_a_val != sz_b_val => Err( + TypeError::FixedArraySize(ExpectedFound::new(true, sz_a_val, sz_b_val)), + ), + _ => Err(err), + } + } + } + } + + (ty::Slice(a_t), ty::Slice(b_t)) => { + let t = relation.relate(a_t, b_t)?; + Ok(Ty::new_slice(tcx, t)) + } + + (ty::Tuple(as_), ty::Tuple(bs)) => { + if as_.len() == bs.len() { + Ok(Ty::new_tup_from_iter( + tcx, + iter::zip(as_, bs).map(|(a, b)| relation.relate(a, b)), + )?) + } else if !(as_.is_empty() || bs.is_empty()) { + Err(TypeError::TupleSize(ExpectedFound::new(true, as_.len(), bs.len()))) + } else { + Err(TypeError::Sorts(ExpectedFound::new(true, a, b))) + } + } + + (ty::FnDef(a_def_id, a_args), ty::FnDef(b_def_id, b_args)) if a_def_id == b_def_id => { + let args = relation.relate_item_args(a_def_id, a_args, b_args)?; + Ok(Ty::new_fn_def(tcx, a_def_id, args)) + } + + (ty::FnPtr(a_fty), ty::FnPtr(b_fty)) => { + let fty = relation.relate(a_fty, b_fty)?; + Ok(Ty::new_fn_ptr(tcx, fty)) + } + + // Alias tend to mostly already be handled downstream due to normalization. + (ty::Alias(a_kind, a_data), ty::Alias(b_kind, b_data)) => { + let alias_ty = relation.relate(a_data, b_data)?; + assert_eq!(a_kind, b_kind); + Ok(Ty::new_alias(tcx, a_kind, alias_ty)) + } + + (ty::Pat(a_ty, a_pat), ty::Pat(b_ty, b_pat)) => { + let ty = relation.relate(a_ty, b_ty)?; + let pat = relation.relate(a_pat, b_pat)?; + Ok(Ty::new_pat(tcx, ty, pat)) + } + + _ => Err(TypeError::Sorts(ExpectedFound::new(true, a, b))), + } +} + +/// Relates `a` and `b` structurally, calling the relation for all nested values. +/// Any semantic equality, e.g. of unevaluated consts, and inference variables have +/// to be handled by the caller. +/// +/// FIXME: This is not totally structual, which probably should be fixed. +/// See the HACKs below. +pub fn structurally_relate_consts>( + relation: &mut R, + mut a: I::Const, + mut b: I::Const, +) -> RelateResult { + debug!("{}.structurally_relate_consts(a = {:?}, b = {:?})", relation.tag(), a, b); + let tcx = relation.tcx(); + + if tcx.features().generic_const_exprs() { + a = tcx.expand_abstract_consts(a); + b = tcx.expand_abstract_consts(b); + } + + debug!("{}.structurally_relate_consts(normed_a = {:?}, normed_b = {:?})", relation.tag(), a, b); + + // Currently, the values that can be unified are primitive types, + // and those that derive both `PartialEq` and `Eq`, corresponding + // to structural-match types. + let is_match = match (a.kind(), b.kind()) { + (ty::ConstKind::Infer(_), _) | (_, ty::ConstKind::Infer(_)) => { + // The caller should handle these cases! + panic!("var types encountered in structurally_relate_consts: {:?} {:?}", a, b) + } + + (ty::ConstKind::Error(_), _) => return Ok(a), + (_, ty::ConstKind::Error(_)) => return Ok(b), + + (ty::ConstKind::Param(a_p), ty::ConstKind::Param(b_p)) if a_p.index() == b_p.index() => { + // FIXME: Put this back + // debug_assert_eq!(a_p.name, b_p.name, "param types with same index differ in name"); + true + } + (ty::ConstKind::Placeholder(p1), ty::ConstKind::Placeholder(p2)) => p1 == p2, + (ty::ConstKind::Value(_, a_val), ty::ConstKind::Value(_, b_val)) => a_val == b_val, + + // While this is slightly incorrect, it shouldn't matter for `min_const_generics` + // and is the better alternative to waiting until `generic_const_exprs` can + // be stabilized. + (ty::ConstKind::Unevaluated(au), ty::ConstKind::Unevaluated(bu)) if au.def == bu.def => { + if cfg!(debug_assertions) { + let a_ty = tcx.type_of(au.def).instantiate(tcx, &au.args); + let b_ty = tcx.type_of(bu.def).instantiate(tcx, &bu.args); + assert_eq!(a_ty, b_ty); + } + + let args = relation.relate_with_variance( + ty::Variance::Invariant, + VarianceDiagInfo::default(), + au.args, + bu.args, + )?; + return Ok(Const::new_unevaluated(tcx, ty::UnevaluatedConst { def: au.def, args })); + } + (ty::ConstKind::Expr(ae), ty::ConstKind::Expr(be)) => { + let expr = relation.relate(ae, be)?; + return Ok(Const::new_expr(tcx, expr)); + } + _ => false, + }; + if is_match { Ok(a) } else { Err(TypeError::ConstMismatch(ExpectedFound::new(true, a, b))) } +} + +impl> Relate for ty::Binder { + fn relate>( + relation: &mut R, + a: ty::Binder, + b: ty::Binder, + ) -> RelateResult> { + relation.binders(a, b) + } +} + +impl Relate for ty::PredicatePolarity { + fn relate>( + _relation: &mut R, + a: ty::PredicatePolarity, + b: ty::PredicatePolarity, + ) -> RelateResult { + if a != b { + Err(TypeError::PolarityMismatch(ExpectedFound::new(true, a, b))) + } else { + Ok(a) + } + } +} + +impl Relate for ty::TraitPredicate { + fn relate>( + relation: &mut R, + a: ty::TraitPredicate, + b: ty::TraitPredicate, + ) -> RelateResult> { + Ok(ty::TraitPredicate { + trait_ref: relation.relate(a.trait_ref, b.trait_ref)?, + polarity: relation.relate(a.polarity, b.polarity)?, + }) + } +} From dc91ad05e374c0f5de7f669e5003c2ab9ceaaf46 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Wed, 5 Jun 2024 17:31:01 +1000 Subject: [PATCH 1082/1716] Port `tests/run-make-fulldeps/obtain-borrowck` to ui-fulldeps --- .../obtain-borrowck/Makefile | 26 ------------------- .../auxiliary/obtain-borrowck-input.rs} | 2 ++ .../obtain-borrowck.rs} | 7 +++++ .../obtain-borrowck.run.stdout} | 0 4 files changed, 9 insertions(+), 26 deletions(-) delete mode 100644 tests/run-make-fulldeps/obtain-borrowck/Makefile rename tests/{run-make-fulldeps/obtain-borrowck/test.rs => ui-fulldeps/auxiliary/obtain-borrowck-input.rs} (94%) rename tests/{run-make-fulldeps/obtain-borrowck/driver.rs => ui-fulldeps/obtain-borrowck.rs} (96%) rename tests/{run-make-fulldeps/obtain-borrowck/output.stdout => ui-fulldeps/obtain-borrowck.run.stdout} (100%) diff --git a/tests/run-make-fulldeps/obtain-borrowck/Makefile b/tests/run-make-fulldeps/obtain-borrowck/Makefile deleted file mode 100644 index 233f5c9eaf49..000000000000 --- a/tests/run-make-fulldeps/obtain-borrowck/Makefile +++ /dev/null @@ -1,26 +0,0 @@ -include ../../run-make/tools.mk - -# This example shows how to implement a rustc driver that retrieves MIR bodies -# together with the borrow checker information. - -# How to run this -# $ ./x.py test tests/run-make-fulldeps/obtain-borrowck - -DRIVER_BINARY := "$(TMPDIR)"/driver -SYSROOT := $(shell $(RUSTC) --print sysroot) - -ifdef IS_WINDOWS -LIBSTD := -L "$(SYSROOT)\\lib\\rustlib\\$(TARGET)\\lib" -else -LIBSTD := -endif - -all: - $(RUSTC) driver.rs -o "$(DRIVER_BINARY)" - $(TARGET_RPATH_ENV) "$(DRIVER_BINARY)" --sysroot $(SYSROOT) $(LIBSTD) test.rs -o "$(TMPDIR)/driver_test" > "$(TMPDIR)"/output.stdout - -ifdef RUSTC_BLESS_TEST - cp "$(TMPDIR)"/output.stdout output.stdout -else - $(DIFF) output.stdout "$(TMPDIR)"/output.stdout -endif diff --git a/tests/run-make-fulldeps/obtain-borrowck/test.rs b/tests/ui-fulldeps/auxiliary/obtain-borrowck-input.rs similarity index 94% rename from tests/run-make-fulldeps/obtain-borrowck/test.rs rename to tests/ui-fulldeps/auxiliary/obtain-borrowck-input.rs index f7b4b41feaf9..7213e06792a4 100644 --- a/tests/run-make-fulldeps/obtain-borrowck/test.rs +++ b/tests/ui-fulldeps/auxiliary/obtain-borrowck-input.rs @@ -1,3 +1,5 @@ +#![allow(dead_code)] + trait X { fn provided(&self) -> usize { 5 diff --git a/tests/run-make-fulldeps/obtain-borrowck/driver.rs b/tests/ui-fulldeps/obtain-borrowck.rs similarity index 96% rename from tests/run-make-fulldeps/obtain-borrowck/driver.rs rename to tests/ui-fulldeps/obtain-borrowck.rs index e67ec8690f81..e6c703addd92 100644 --- a/tests/run-make-fulldeps/obtain-borrowck/driver.rs +++ b/tests/ui-fulldeps/obtain-borrowck.rs @@ -1,3 +1,10 @@ +//@ edition: 2021 +//@ run-pass +//@ check-run-results +//@ run-flags: --sysroot {{sysroot-base}} --edition=2021 {{src-base}}/auxiliary/obtain-borrowck-input.rs +//@ ignore-stage1 (requires matching sysroot built with in-tree compiler) +// ignore-tidy-linelength + #![feature(rustc_private)] //! This program implements a rustc driver that retrieves MIR bodies with diff --git a/tests/run-make-fulldeps/obtain-borrowck/output.stdout b/tests/ui-fulldeps/obtain-borrowck.run.stdout similarity index 100% rename from tests/run-make-fulldeps/obtain-borrowck/output.stdout rename to tests/ui-fulldeps/obtain-borrowck.run.stdout From 72cbb8bd94c6c3cfa3ca8d90da06a3e6f2d6673e Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Thu, 6 Jun 2024 15:31:00 +0000 Subject: [PATCH 1083/1716] Revert "Use the HIR instead of mir_keys for determining whether something will have a MIR body." This reverts commit e5cba17b84bf7bf755686e8bb36aa3775ef53f77. --- compiler/rustc_mir_transform/src/lib.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs index a8741254ffbf..7a6f3cbe2034 100644 --- a/compiler/rustc_mir_transform/src/lib.rs +++ b/compiler/rustc_mir_transform/src/lib.rs @@ -211,7 +211,7 @@ fn remap_mir_for_const_eval_select<'tcx>( } fn is_mir_available(tcx: TyCtxt<'_>, def_id: LocalDefId) -> bool { - tcx.hir().maybe_body_owned_by(def_id).is_some() + tcx.mir_keys(()).contains(&def_id) } /// Finds the full set of `DefId`s within the current crate that have From 2692d44d8300592d575f81f6f05d0bab8aeabf62 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Wed, 5 Jun 2024 18:16:14 +1000 Subject: [PATCH 1084/1716] compiletest: Allow multiple `//@ run-flags:` headers --- src/tools/compiletest/src/header.rs | 8 +++++--- src/tools/compiletest/src/runtest.rs | 10 ++++++---- src/tools/rustdoc-gui-test/src/main.rs | 4 +--- 3 files changed, 12 insertions(+), 10 deletions(-) diff --git a/src/tools/compiletest/src/header.rs b/src/tools/compiletest/src/header.rs index 91d11c1ae171..736e103fdf22 100644 --- a/src/tools/compiletest/src/header.rs +++ b/src/tools/compiletest/src/header.rs @@ -94,7 +94,7 @@ pub struct TestProps { // Extra flags to pass to the compiler pub compile_flags: Vec, // Extra flags to pass when the compiled code is run (such as --bench) - pub run_flags: Option, + pub run_flags: Vec, // If present, the name of a file that this test should match when // pretty-printed pub pp_exact: Option, @@ -262,7 +262,7 @@ impl TestProps { error_patterns: vec![], regex_error_patterns: vec![], compile_flags: vec![], - run_flags: None, + run_flags: vec![], pp_exact: None, aux_builds: vec![], aux_bins: vec![], @@ -399,7 +399,9 @@ impl TestProps { config.parse_and_update_revisions(ln, &mut self.revisions); - config.set_name_value_directive(ln, RUN_FLAGS, &mut self.run_flags, |r| r); + if let Some(flags) = config.parse_name_value_directive(ln, RUN_FLAGS) { + self.run_flags.extend(split_flags(&flags)); + } if self.pp_exact.is_none() { self.pp_exact = config.parse_pp_exact(ln, testfile); diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs index 9bd0002a3d9a..05a038a1f092 100644 --- a/src/tools/compiletest/src/runtest.rs +++ b/src/tools/compiletest/src/runtest.rs @@ -2355,7 +2355,7 @@ impl<'test> TestCx<'test> { args.push(exe_file.into_os_string()); // Add the arguments in the run_flags directive - args.extend(self.split_maybe_args(&self.props.run_flags)); + args.extend(self.props.run_flags.iter().map(OsString::from)); let prog = args.remove(0); ProcArgs { prog, args } @@ -4173,10 +4173,12 @@ impl<'test> TestCx<'test> { } fn normalize_output(&self, output: &str, custom_rules: &[(String, String)]) -> String { - let rflags = self.props.run_flags.as_ref(); + // Crude heuristic to detect when the output should have JSON-specific + // normalization steps applied. + let rflags = self.props.run_flags.join(" "); let cflags = self.props.compile_flags.join(" "); - let json = rflags - .map_or(false, |s| s.contains("--format json") || s.contains("--format=json")) + let json = rflags.contains("--format json") + || rflags.contains("--format=json") || cflags.contains("--error-format json") || cflags.contains("--error-format pretty-json") || cflags.contains("--error-format=json") diff --git a/src/tools/rustdoc-gui-test/src/main.rs b/src/tools/rustdoc-gui-test/src/main.rs index 0ddd2c66cf9e..bf581279f2ac 100644 --- a/src/tools/rustdoc-gui-test/src/main.rs +++ b/src/tools/rustdoc-gui-test/src/main.rs @@ -123,9 +123,7 @@ If you want to install the `browser-ui-test` dependency, run `npm install browse cargo.env("RUSTDOCFLAGS", test_props.compile_flags.join(" ")); } - if let Some(flags) = &test_props.run_flags { - cargo.arg(flags); - } + cargo.args(&test_props.run_flags); } if try_run(&mut cargo, config.verbose).is_err() { From c76e59e71295677317389783ecb7b4ebb27f8535 Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Thu, 6 Jun 2024 20:06:20 +0300 Subject: [PATCH 1085/1716] prefer compile::stream_cargo for building tools Previously, we were running bare commands for `ToolBuild` step and were unable to utilize some of the flags which are already handled by `compile::stream_cargo`. This change makes `ToolBuild` to use `compile::stream_cargo`, allowing us to benefit from the flags supported by the bootstrap cargo. Signed-off-by: onur-ozkan --- src/bootstrap/src/core/build_steps/tool.rs | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/src/bootstrap/src/core/build_steps/tool.rs b/src/bootstrap/src/core/build_steps/tool.rs index 05b19c0a6e33..7d1a6419243c 100644 --- a/src/bootstrap/src/core/build_steps/tool.rs +++ b/src/bootstrap/src/core/build_steps/tool.rs @@ -9,7 +9,6 @@ use crate::core::builder; use crate::core::builder::{Builder, Cargo as CargoCommand, RunConfig, ShouldRun, Step}; use crate::core::config::TargetSelection; use crate::utils::channel::GitInfo; -use crate::utils::exec::BootstrapCommand; use crate::utils::helpers::output; use crate::utils::helpers::{add_dylib_path, exe, t}; use crate::Compiler; @@ -110,9 +109,8 @@ impl Step for ToolBuild { &self.target, ); - let mut cargo = Command::from(cargo); // we check this below - let build_success = builder.run_cmd(BootstrapCommand::from(&mut cargo).allow_failure()); + let build_success = compile::stream_cargo(builder, cargo, vec![], &mut |_| {}); builder.save_toolstate( tool, From 89d86ae5bd221b14ec7a444062413dd81ecbf6d6 Mon Sep 17 00:00:00 2001 From: Urgau Date: Wed, 5 Jun 2024 19:16:43 +0200 Subject: [PATCH 1086/1716] Don't warn on fields in the `unreachable_pub` lint --- compiler/rustc_lint/src/builtin.rs | 21 ++++++++++++------ tests/ui/lint/unreachable_pub.rs | 10 ++++++--- tests/ui/lint/unreachable_pub.stderr | 32 +++++++++++----------------- 3 files changed, 34 insertions(+), 29 deletions(-) diff --git a/compiler/rustc_lint/src/builtin.rs b/compiler/rustc_lint/src/builtin.rs index ba42eae34415..a06a90b2e87a 100644 --- a/compiler/rustc_lint/src/builtin.rs +++ b/compiler/rustc_lint/src/builtin.rs @@ -51,7 +51,7 @@ use rustc_hir as hir; use rustc_hir::def::{DefKind, Res}; use rustc_hir::def_id::{DefId, LocalDefId, CRATE_DEF_ID}; use rustc_hir::intravisit::FnKind as HirFnKind; -use rustc_hir::{Body, FnDecl, GenericParamKind, Node, PatKind, PredicateOrigin}; +use rustc_hir::{Body, FnDecl, GenericParamKind, PatKind, PredicateOrigin}; use rustc_middle::bug; use rustc_middle::lint::in_external_macro; use rustc_middle::ty::layout::LayoutOf; @@ -1423,11 +1423,20 @@ impl<'tcx> LateLintPass<'tcx> for UnreachablePub { self.perform_lint(cx, "item", foreign_item.owner_id.def_id, foreign_item.vis_span, true); } - fn check_field_def(&mut self, cx: &LateContext<'_>, field: &hir::FieldDef<'_>) { - if matches!(cx.tcx.parent_hir_node(field.hir_id), Node::Variant(_)) { - return; - } - self.perform_lint(cx, "field", field.def_id, field.vis_span, false); + fn check_field_def(&mut self, _cx: &LateContext<'_>, _field: &hir::FieldDef<'_>) { + // - If an ADT definition is reported then we don't need to check fields + // (as it would add unnecessary complexity to the source code, the struct + // definition is in the immediate proximity to give the "real" visibility). + // - If an ADT is not reported because it's not `pub` - we don't need to + // check fields. + // - If an ADT is not reported because it's reachable - we also don't need + // to check fields because then they are reachable by construction if they + // are pub. + // + // Therefore in no case we check the fields. + // + // cf. https://github.com/rust-lang/rust/pull/126013#issuecomment-2152839205 + // cf. https://github.com/rust-lang/rust/pull/126040#issuecomment-2152944506 } fn check_impl_item(&mut self, cx: &LateContext<'_>, impl_item: &hir::ImplItem<'_>) { diff --git a/tests/ui/lint/unreachable_pub.rs b/tests/ui/lint/unreachable_pub.rs index 22c091e112be..f21f6640342c 100644 --- a/tests/ui/lint/unreachable_pub.rs +++ b/tests/ui/lint/unreachable_pub.rs @@ -9,12 +9,16 @@ mod private_mod { pub use std::env::{Args}; // braced-use has different item spans than unbraced //~^ WARNING unreachable_pub + // we lint on struct definition pub struct Hydrogen { //~ WARNING unreachable_pub - // `pub` struct fields, too - pub neutrons: usize, //~ WARNING unreachable_pub - // (... but not more-restricted fields) + // but not on fields, even if they are `pub` as putting `pub(crate)` + // it would clutter the source code for little value + pub neutrons: usize, pub(crate) electrons: usize } + pub(crate) struct Calcium { + pub neutrons: usize, + } impl Hydrogen { // impls, too pub fn count_neutrons(&self) -> usize { self.neutrons } //~ WARNING unreachable_pub diff --git a/tests/ui/lint/unreachable_pub.stderr b/tests/ui/lint/unreachable_pub.stderr index 762834b97b90..705a537a3f1c 100644 --- a/tests/ui/lint/unreachable_pub.stderr +++ b/tests/ui/lint/unreachable_pub.stderr @@ -24,7 +24,7 @@ LL | pub use std::env::{Args}; // braced-use has different item spans than u = help: or consider exporting it for use by other crates warning: unreachable `pub` item - --> $DIR/unreachable_pub.rs:12:5 + --> $DIR/unreachable_pub.rs:13:5 | LL | pub struct Hydrogen { | ---^^^^^^^^^^^^^^^^ @@ -33,16 +33,8 @@ LL | pub struct Hydrogen { | = help: or consider exporting it for use by other crates -warning: unreachable `pub` field - --> $DIR/unreachable_pub.rs:14:9 - | -LL | pub neutrons: usize, - | ---^^^^^^^^^^^^^^^^ - | | - | help: consider restricting its visibility: `pub(crate)` - warning: unreachable `pub` item - --> $DIR/unreachable_pub.rs:20:9 + --> $DIR/unreachable_pub.rs:24:9 | LL | pub fn count_neutrons(&self) -> usize { self.neutrons } | ---^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -50,7 +42,7 @@ LL | pub fn count_neutrons(&self) -> usize { self.neutrons } | help: consider restricting its visibility: `pub(crate)` warning: unreachable `pub` item - --> $DIR/unreachable_pub.rs:29:5 + --> $DIR/unreachable_pub.rs:33:5 | LL | pub enum Helium {} | ---^^^^^^^^^^^^ @@ -60,7 +52,7 @@ LL | pub enum Helium {} = help: or consider exporting it for use by other crates warning: unreachable `pub` item - --> $DIR/unreachable_pub.rs:30:5 + --> $DIR/unreachable_pub.rs:34:5 | LL | pub union Lithium { c1: usize, c2: u8 } | ---^^^^^^^^^^^^^^ @@ -70,7 +62,7 @@ LL | pub union Lithium { c1: usize, c2: u8 } = help: or consider exporting it for use by other crates warning: unreachable `pub` item - --> $DIR/unreachable_pub.rs:31:5 + --> $DIR/unreachable_pub.rs:35:5 | LL | pub fn beryllium() {} | ---^^^^^^^^^^^^^^^ @@ -80,7 +72,7 @@ LL | pub fn beryllium() {} = help: or consider exporting it for use by other crates warning: unreachable `pub` item - --> $DIR/unreachable_pub.rs:32:5 + --> $DIR/unreachable_pub.rs:36:5 | LL | pub trait Boron {} | ---^^^^^^^^^^^^ @@ -90,7 +82,7 @@ LL | pub trait Boron {} = help: or consider exporting it for use by other crates warning: unreachable `pub` item - --> $DIR/unreachable_pub.rs:33:5 + --> $DIR/unreachable_pub.rs:37:5 | LL | pub const CARBON: usize = 1; | ---^^^^^^^^^^^^^^^^^^^^ @@ -100,7 +92,7 @@ LL | pub const CARBON: usize = 1; = help: or consider exporting it for use by other crates warning: unreachable `pub` item - --> $DIR/unreachable_pub.rs:34:5 + --> $DIR/unreachable_pub.rs:38:5 | LL | pub static NITROGEN: usize = 2; | ---^^^^^^^^^^^^^^^^^^^^^^^ @@ -110,7 +102,7 @@ LL | pub static NITROGEN: usize = 2; = help: or consider exporting it for use by other crates warning: unreachable `pub` item - --> $DIR/unreachable_pub.rs:35:5 + --> $DIR/unreachable_pub.rs:39:5 | LL | pub type Oxygen = bool; | ---^^^^^^^^^^^^ @@ -120,7 +112,7 @@ LL | pub type Oxygen = bool; = help: or consider exporting it for use by other crates warning: unreachable `pub` item - --> $DIR/unreachable_pub.rs:38:47 + --> $DIR/unreachable_pub.rs:42:47 | LL | ($visibility: vis, $name: ident) => { $visibility struct $name {} } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -135,7 +127,7 @@ LL | define_empty_struct_with_visibility!(pub, Fluorine); = note: this warning originates in the macro `define_empty_struct_with_visibility` (in Nightly builds, run with -Z macro-backtrace for more info) warning: unreachable `pub` item - --> $DIR/unreachable_pub.rs:44:9 + --> $DIR/unreachable_pub.rs:48:9 | LL | pub fn catalyze() -> bool; | ---^^^^^^^^^^^^^^^^^^^^^^ @@ -144,5 +136,5 @@ LL | pub fn catalyze() -> bool; | = help: or consider exporting it for use by other crates -warning: 14 warnings emitted +warning: 13 warnings emitted From 9c46479a6ad881472c64a22ae033dca320e7213e Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Thu, 6 Jun 2024 20:13:39 +0300 Subject: [PATCH 1087/1716] use windows compatible executable name for libcxx-version Signed-off-by: onur-ozkan --- src/bootstrap/src/core/build_steps/tool.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/bootstrap/src/core/build_steps/tool.rs b/src/bootstrap/src/core/build_steps/tool.rs index 05b19c0a6e33..1b55fc85da42 100644 --- a/src/bootstrap/src/core/build_steps/tool.rs +++ b/src/bootstrap/src/core/build_steps/tool.rs @@ -834,7 +834,7 @@ impl Step for LibcxxVersionTool { let compiler = builder.cxx(self.target).unwrap(); let mut cmd = Command::new(compiler); - let executable = out_dir.join("libcxx-version"); + let executable = out_dir.join(exe("libcxx-version", self.target)); cmd.arg("-o").arg(&executable).arg(builder.src.join("src/tools/libcxx-version/main.cpp")); builder.run_cmd(&mut cmd); From 6e1121b492b61ba5aab14004a9ef1227a1358c21 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Thu, 6 Jun 2024 18:35:46 +0200 Subject: [PATCH 1088/1716] Do not use relative paths to Rust source root in run-make tests --- src/tools/run-make-support/src/lib.rs | 5 +++-- tests/run-make/alloc-no-oom-handling/rmake.rs | 4 ++-- tests/run-make/alloc-no-rc/rmake.rs | 4 ++-- tests/run-make/alloc-no-sync/rmake.rs | 4 ++-- tests/run-make/core-no-fp-fmt-parse/rmake.rs | 4 ++-- tests/run-make/core-no-oom-handling/rmake.rs | 4 ++-- tests/run-make/rustdoc-scrape-examples-remap/scrape.rs | 2 +- tests/run-make/rustdoc-themes/rmake.rs | 4 ++-- 8 files changed, 16 insertions(+), 15 deletions(-) diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index d4b2f88fecfc..d74a0272a627 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -83,11 +83,12 @@ pub fn python_command() -> Command { pub fn htmldocck() -> Command { let mut python = python_command(); - python.arg(source_path().join("src/etc/htmldocck.py")); + python.arg(source_root().join("src/etc/htmldocck.py")); python } -pub fn source_path() -> PathBuf { +/// Path to the root rust-lang/rust source checkout. +pub fn source_root() -> PathBuf { env_var("S").into() } diff --git a/tests/run-make/alloc-no-oom-handling/rmake.rs b/tests/run-make/alloc-no-oom-handling/rmake.rs index 4bca5d1f1efb..89a6636d9a0c 100644 --- a/tests/run-make/alloc-no-oom-handling/rmake.rs +++ b/tests/run-make/alloc-no-oom-handling/rmake.rs @@ -2,14 +2,14 @@ // when the unstable no_global_oom_handling feature is turned on. // See https://github.com/rust-lang/rust/pull/84266 -use run_make_support::rustc; +use run_make_support::{rustc, source_root}; fn main() { rustc() .edition("2021") .arg("-Dwarnings") .crate_type("rlib") - .input("../../../library/alloc/src/lib.rs") + .input(source_root().join("library/alloc/src/lib.rs")) .cfg("no_global_oom_handling") .run(); } diff --git a/tests/run-make/alloc-no-rc/rmake.rs b/tests/run-make/alloc-no-rc/rmake.rs index 8ff73324b083..12171c2148f1 100644 --- a/tests/run-make/alloc-no-rc/rmake.rs +++ b/tests/run-make/alloc-no-rc/rmake.rs @@ -2,14 +2,14 @@ // when the unstable no_rc feature is turned on. // See https://github.com/rust-lang/rust/pull/84266 -use run_make_support::rustc; +use run_make_support::{rustc, source_root}; fn main() { rustc() .edition("2021") .arg("-Dwarnings") .crate_type("rlib") - .input("../../../library/alloc/src/lib.rs") + .input(source_root().join("library/alloc/src/lib.rs")) .cfg("no_rc") .run(); } diff --git a/tests/run-make/alloc-no-sync/rmake.rs b/tests/run-make/alloc-no-sync/rmake.rs index 3a3ceed68679..29f204f30673 100644 --- a/tests/run-make/alloc-no-sync/rmake.rs +++ b/tests/run-make/alloc-no-sync/rmake.rs @@ -2,14 +2,14 @@ // when the unstable no_sync feature is turned on. // See https://github.com/rust-lang/rust/pull/84266 -use run_make_support::rustc; +use run_make_support::{rustc, source_root}; fn main() { rustc() .edition("2021") .arg("-Dwarnings") .crate_type("rlib") - .input("../../../library/alloc/src/lib.rs") + .input(source_root().join("library/alloc/src/lib.rs")) .cfg("no_sync") .run(); } diff --git a/tests/run-make/core-no-fp-fmt-parse/rmake.rs b/tests/run-make/core-no-fp-fmt-parse/rmake.rs index aef28fd25281..3586922f28ec 100644 --- a/tests/run-make/core-no-fp-fmt-parse/rmake.rs +++ b/tests/run-make/core-no-fp-fmt-parse/rmake.rs @@ -1,14 +1,14 @@ // This test checks that the core library of Rust can be compiled without enabling // support for formatting and parsing floating-point numbers. -use run_make_support::rustc; +use run_make_support::{rustc, source_root}; fn main() { rustc() .edition("2021") .arg("-Dwarnings") .crate_type("rlib") - .input("../../../library/core/src/lib.rs") + .input(source_root().join("library/core/src/lib.rs")) .cfg("no_fp_fmt_parse") .run(); } diff --git a/tests/run-make/core-no-oom-handling/rmake.rs b/tests/run-make/core-no-oom-handling/rmake.rs index 75767421cd1f..3ebbf63ab7d6 100644 --- a/tests/run-make/core-no-oom-handling/rmake.rs +++ b/tests/run-make/core-no-oom-handling/rmake.rs @@ -2,14 +2,14 @@ // when the no_global_oom_handling feature is turned on. // See https://github.com/rust-lang/rust/pull/110649 -use run_make_support::{rustc, tmp_dir}; +use run_make_support::{rustc, source_root, tmp_dir}; fn main() { rustc() .edition("2021") .arg("-Dwarnings") .crate_type("rlib") - .input("../../../library/core/src/lib.rs") + .input(source_root().join("library/core/src/lib.rs")) .sysroot(tmp_dir().join("fakeroot")) .cfg("no_global_oom_handling") .run(); diff --git a/tests/run-make/rustdoc-scrape-examples-remap/scrape.rs b/tests/run-make/rustdoc-scrape-examples-remap/scrape.rs index 563e3aca9aed..b372c25447d0 100644 --- a/tests/run-make/rustdoc-scrape-examples-remap/scrape.rs +++ b/tests/run-make/rustdoc-scrape-examples-remap/scrape.rs @@ -1,4 +1,4 @@ -use run_make_support::{htmldocck, rustc, rustdoc, source_path, tmp_dir}; +use run_make_support::{htmldocck, rustc, rustdoc, source_root, tmp_dir}; use std::fs::read_dir; use std::path::Path; diff --git a/tests/run-make/rustdoc-themes/rmake.rs b/tests/run-make/rustdoc-themes/rmake.rs index e9da4e259400..d6ddd45b4a45 100644 --- a/tests/run-make/rustdoc-themes/rmake.rs +++ b/tests/run-make/rustdoc-themes/rmake.rs @@ -1,13 +1,13 @@ // Test that rustdoc will properly load in a theme file and display it in the theme selector. -use run_make_support::{htmldocck, rustdoc, source_path, tmp_dir}; +use run_make_support::{htmldocck, rustdoc, source_root, tmp_dir}; fn main() { let out_dir = tmp_dir().join("rustdoc-themes"); let test_css = out_dir.join("test.css"); let no_script = - std::fs::read_to_string(source_path().join("src/librustdoc/html/static/css/noscript.css")) + std::fs::read_to_string(source_root().join("src/librustdoc/html/static/css/noscript.css")) .unwrap(); let mut test_content = String::new(); From 26dc8bd5b074ee699c38d9fa47718661b3142c0f Mon Sep 17 00:00:00 2001 From: Daniel Sedlak Date: Thu, 6 Jun 2024 20:01:59 +0200 Subject: [PATCH 1089/1716] Stabilize Option::take_if --- compiler/rustc_trait_selection/src/lib.rs | 1 - library/core/src/option.rs | 4 +--- 2 files changed, 1 insertion(+), 4 deletions(-) diff --git a/compiler/rustc_trait_selection/src/lib.rs b/compiler/rustc_trait_selection/src/lib.rs index 521e4ef0c9ed..381da6f7e2a7 100644 --- a/compiler/rustc_trait_selection/src/lib.rs +++ b/compiler/rustc_trait_selection/src/lib.rs @@ -23,7 +23,6 @@ #![feature(extract_if)] #![feature(if_let_guard)] #![feature(let_chains)] -#![feature(option_take_if)] #![feature(never_type)] #![feature(type_alias_impl_trait)] #![recursion_limit = "512"] // For rustdoc diff --git a/library/core/src/option.rs b/library/core/src/option.rs index 9a527073602e..e253cfd2822b 100644 --- a/library/core/src/option.rs +++ b/library/core/src/option.rs @@ -1708,8 +1708,6 @@ impl Option { /// # Examples /// /// ``` - /// #![feature(option_take_if)] - /// /// let mut x = Some(42); /// /// let prev = x.take_if(|v| if *v == 42 { @@ -1726,7 +1724,7 @@ impl Option { /// assert_eq!(prev, Some(43)); /// ``` #[inline] - #[unstable(feature = "option_take_if", issue = "98934")] + #[stable(feature = "option_take_if", since = "CURRENT_RUSTC_VERSION")] pub fn take_if

, and replace that - // slot with the new name: `[h1, name]`. - self.names.truncate(level); - self.names[level - 1] = name; - } else { - // ... On the other hand, consider `level == 5`. This means we - // need to extend `self.names` to contain five headers. We fill - // in the missing level (

) with `_`. Thus `self.names` will - // become `[h1, h2, h3, "_", name]`. - if level - 1 > self.names.len() { - self.names.resize(level - 1, "_".to_owned()); - } - self.names.push(name); - } - } - } } #[cfg(test)] // used in tests diff --git a/src/librustdoc/doctest/markdown.rs b/src/librustdoc/doctest/markdown.rs index 13239b9a5172..6f2769b76810 100644 --- a/src/librustdoc/doctest/markdown.rs +++ b/src/librustdoc/doctest/markdown.rs @@ -2,12 +2,84 @@ use std::fs::read_to_string; -use rustc_span::DUMMY_SP; +use rustc_span::FileName; use tempfile::tempdir; -use super::{generate_args_file, Collector, GlobalTestOptions}; +use super::{generate_args_file, Collector, DoctestVisitor, GlobalTestOptions, ScrapedDoctest}; use crate::config::Options; -use crate::html::markdown::{find_testable_code, ErrorCodes}; +use crate::html::markdown::{find_testable_code, ErrorCodes, LangString}; + +pub(super) struct MdDoctest { + pub(super) filename: FileName, + pub(super) line: usize, + pub(super) logical_path: Vec, + pub(super) langstr: LangString, + pub(super) text: String, +} + +struct MdCollector { + tests: Vec, + cur_path: Vec, + filename: FileName, +} + +impl DoctestVisitor for MdCollector { + fn visit_test(&mut self, test: String, config: LangString, line: usize) { + let filename = self.filename.clone(); + self.tests.push(MdDoctest { + filename, + line, + logical_path: self.cur_path.clone(), + langstr: config, + text: test, + }); + } + + fn get_line(&self) -> usize { + 0 + } + + fn visit_header(&mut self, name: &str, level: u32) { + // We use these headings as test names, so it's good if + // they're valid identifiers. + let name = name + .chars() + .enumerate() + .map(|(i, c)| { + if (i == 0 && rustc_lexer::is_id_start(c)) + || (i != 0 && rustc_lexer::is_id_continue(c)) + { + c + } else { + '_' + } + }) + .collect::(); + + // Here we try to efficiently assemble the header titles into the + // test name in the form of `h1::h2::h3::h4::h5::h6`. + // + // Suppose that originally `self.cur_path` contains `[h1, h2, h3]`... + let level = level as usize; + if level <= self.cur_path.len() { + // ... Consider `level == 2`. All headers in the lower levels + // are irrelevant in this new level. So we should reset + // `self.names` to contain headers until

, and replace that + // slot with the new name: `[h1, name]`. + self.cur_path.truncate(level); + self.cur_path[level - 1] = name; + } else { + // ... On the other hand, consider `level == 5`. This means we + // need to extend `self.names` to contain five headers. We fill + // in the missing level (

) with `_`. Thus `self.names` will + // become `[h1, h2, h3, "_", name]`. + if level - 1 > self.cur_path.len() { + self.cur_path.resize(level - 1, "_".to_owned()); + } + self.cur_path.push(name); + } + } +} /// Runs any tests/code examples in the markdown file `input`. pub(crate) fn test(options: Options) -> Result<(), String> { @@ -27,21 +99,29 @@ pub(crate) fn test(options: Options) -> Result<(), String> { let file_path = temp_dir.path().join("rustdoc-cfgs"); generate_args_file(&file_path, &options)?; - let mut collector = Collector::new( - options.input.filestem().to_string(), - options.clone(), - true, - opts, - None, - options.input.opt_path().map(ToOwned::to_owned), - options.enable_per_target_ignores, - file_path, - ); - collector.set_position(DUMMY_SP); + let mut md_collector = MdCollector { + tests: vec![], + cur_path: vec![], + filename: options + .input + .opt_path() + .map(ToOwned::to_owned) + .map(FileName::from) + .unwrap_or(FileName::Custom("input".to_owned())), + }; let codes = ErrorCodes::from(options.unstable_features.is_nightly_build()); - find_testable_code(&input_str, &mut collector, codes, options.enable_per_target_ignores, None); + find_testable_code( + &input_str, + &mut md_collector, + codes, + options.enable_per_target_ignores, + None, + ); + let mut collector = + Collector::new(options.input.filestem().to_string(), options.clone(), opts, file_path); + md_collector.tests.into_iter().for_each(|t| collector.add_test(ScrapedDoctest::Markdown(t))); crate::doctest::run_tests(options.test_args, options.nocapture, collector.tests); Ok(()) } diff --git a/src/librustdoc/doctest/rust.rs b/src/librustdoc/doctest/rust.rs index e4527de77a02..9e62ed34a586 100644 --- a/src/librustdoc/doctest/rust.rs +++ b/src/librustdoc/doctest/rust.rs @@ -1,29 +1,108 @@ //! Doctest functionality used only for doctests in `.rs` source files. -use rustc_data_structures::fx::FxHashSet; -use rustc_hir::def_id::LocalDefId; -use rustc_hir::{self as hir, intravisit}; +use std::env; + +use rustc_data_structures::{fx::FxHashSet, sync::Lrc}; +use rustc_hir::def_id::{LocalDefId, CRATE_DEF_ID}; +use rustc_hir::{self as hir, intravisit, CRATE_HIR_ID}; use rustc_middle::hir::map::Map; use rustc_middle::hir::nested_filter; use rustc_middle::ty::TyCtxt; use rustc_resolve::rustdoc::span_of_fragments; use rustc_session::Session; -use rustc_span::{Span, DUMMY_SP}; +use rustc_span::source_map::SourceMap; +use rustc_span::{BytePos, FileName, Pos, Span, DUMMY_SP}; -use super::Collector; +use super::DoctestVisitor; use crate::clean::{types::AttributesExt, Attributes}; -use crate::html::markdown::{self, ErrorCodes}; +use crate::html::markdown::{self, ErrorCodes, LangString}; -pub(super) struct HirCollector<'a, 'hir, 'tcx> { - pub(super) sess: &'a Session, - pub(super) collector: &'a mut Collector, - pub(super) map: Map<'hir>, - pub(super) codes: ErrorCodes, - pub(super) tcx: TyCtxt<'tcx>, +pub(super) struct RustDoctest { + pub(super) filename: FileName, + pub(super) line: usize, + pub(super) logical_path: Vec, + pub(super) langstr: LangString, + pub(super) text: String, } -impl<'a, 'hir, 'tcx> HirCollector<'a, 'hir, 'tcx> { - pub(super) fn visit_testable( +struct RustCollector { + source_map: Lrc, + tests: Vec, + cur_path: Vec, + position: Span, +} + +impl RustCollector { + fn get_filename(&self) -> FileName { + let filename = self.source_map.span_to_filename(self.position); + if let FileName::Real(ref filename) = filename + && let Ok(cur_dir) = env::current_dir() + && let Some(local_path) = filename.local_path() + && let Ok(path) = local_path.strip_prefix(&cur_dir) + { + return path.to_owned().into(); + } + filename + } +} + +impl DoctestVisitor for RustCollector { + fn visit_test(&mut self, test: String, config: LangString, line: usize) { + self.tests.push(RustDoctest { + filename: self.get_filename(), + line, + logical_path: self.cur_path.clone(), + langstr: config, + text: test, + }); + } + + fn get_line(&self) -> usize { + let line = self.position.lo().to_usize(); + let line = self.source_map.lookup_char_pos(BytePos(line as u32)).line; + if line > 0 { line - 1 } else { line } + } + + fn visit_header(&mut self, _name: &str, _level: u32) {} +} + +pub(super) struct HirCollector<'a, 'tcx> { + sess: &'a Session, + map: Map<'tcx>, + codes: ErrorCodes, + tcx: TyCtxt<'tcx>, + enable_per_target_ignores: bool, + collector: RustCollector, +} + +impl<'a, 'tcx> HirCollector<'a, 'tcx> { + pub fn new( + sess: &'a Session, + map: Map<'tcx>, + codes: ErrorCodes, + enable_per_target_ignores: bool, + tcx: TyCtxt<'tcx>, + ) -> Self { + let collector = RustCollector { + source_map: sess.psess.clone_source_map(), + cur_path: vec![], + position: DUMMY_SP, + tests: vec![], + }; + Self { sess, map, codes, enable_per_target_ignores, tcx, collector } + } + + pub fn collect_crate(mut self) -> Vec { + let tcx = self.tcx; + self.visit_testable("".to_string(), CRATE_DEF_ID, tcx.hir().span(CRATE_HIR_ID), |this| { + tcx.hir().walk_toplevel_module(this) + }); + self.collector.tests + } +} + +impl<'a, 'tcx> HirCollector<'a, 'tcx> { + fn visit_testable( &mut self, name: String, def_id: LocalDefId, @@ -39,7 +118,7 @@ impl<'a, 'hir, 'tcx> HirCollector<'a, 'hir, 'tcx> { let has_name = !name.is_empty(); if has_name { - self.collector.names.push(name); + self.collector.cur_path.push(name); } // The collapse-docs pass won't combine sugared/raw doc attributes, or included files with @@ -52,12 +131,12 @@ impl<'a, 'hir, 'tcx> HirCollector<'a, 'hir, 'tcx> { .find(|attr| attr.doc_str().is_some()) .map(|attr| attr.span.ctxt().outer_expn().expansion_cause().unwrap_or(attr.span)) .unwrap_or(DUMMY_SP); - self.collector.set_position(span); + self.collector.position = span; markdown::find_testable_code( &doc, - self.collector, + &mut self.collector, self.codes, - self.collector.enable_per_target_ignores, + self.enable_per_target_ignores, Some(&crate::html::markdown::ExtraInfo::new( self.tcx, def_id.to_def_id(), @@ -69,19 +148,19 @@ impl<'a, 'hir, 'tcx> HirCollector<'a, 'hir, 'tcx> { nested(self); if has_name { - self.collector.names.pop(); + self.collector.cur_path.pop(); } } } -impl<'a, 'hir, 'tcx> intravisit::Visitor<'hir> for HirCollector<'a, 'hir, 'tcx> { +impl<'a, 'tcx> intravisit::Visitor<'tcx> for HirCollector<'a, 'tcx> { type NestedFilter = nested_filter::All; fn nested_visit_map(&mut self) -> Self::Map { self.map } - fn visit_item(&mut self, item: &'hir hir::Item<'_>) { + fn visit_item(&mut self, item: &'tcx hir::Item<'_>) { let name = match &item.kind { hir::ItemKind::Impl(impl_) => { rustc_hir_pretty::id_to_string(&self.map, impl_.self_ty.hir_id) @@ -94,31 +173,31 @@ impl<'a, 'hir, 'tcx> intravisit::Visitor<'hir> for HirCollector<'a, 'hir, 'tcx> }); } - fn visit_trait_item(&mut self, item: &'hir hir::TraitItem<'_>) { + fn visit_trait_item(&mut self, item: &'tcx hir::TraitItem<'_>) { self.visit_testable(item.ident.to_string(), item.owner_id.def_id, item.span, |this| { intravisit::walk_trait_item(this, item); }); } - fn visit_impl_item(&mut self, item: &'hir hir::ImplItem<'_>) { + fn visit_impl_item(&mut self, item: &'tcx hir::ImplItem<'_>) { self.visit_testable(item.ident.to_string(), item.owner_id.def_id, item.span, |this| { intravisit::walk_impl_item(this, item); }); } - fn visit_foreign_item(&mut self, item: &'hir hir::ForeignItem<'_>) { + fn visit_foreign_item(&mut self, item: &'tcx hir::ForeignItem<'_>) { self.visit_testable(item.ident.to_string(), item.owner_id.def_id, item.span, |this| { intravisit::walk_foreign_item(this, item); }); } - fn visit_variant(&mut self, v: &'hir hir::Variant<'_>) { + fn visit_variant(&mut self, v: &'tcx hir::Variant<'_>) { self.visit_testable(v.ident.to_string(), v.def_id, v.span, |this| { intravisit::walk_variant(this, v); }); } - fn visit_field_def(&mut self, f: &'hir hir::FieldDef<'_>) { + fn visit_field_def(&mut self, f: &'tcx hir::FieldDef<'_>) { self.visit_testable(f.ident.to_string(), f.def_id, f.span, |this| { intravisit::walk_field_def(this, f); }); From b7dd401a78598615a7733bfe615cbcbd9393e44a Mon Sep 17 00:00:00 2001 From: Noah Lev Date: Fri, 31 May 2024 00:50:41 -0700 Subject: [PATCH 1157/1716] rustdoc: Extract actual doctest running logic into function --- src/librustdoc/doctest.rs | 191 ++++++++++++++++++----------- src/librustdoc/doctest/markdown.rs | 12 +- 2 files changed, 127 insertions(+), 76 deletions(-) diff --git a/src/librustdoc/doctest.rs b/src/librustdoc/doctest.rs index 8088b57dd76b..61195f914ebf 100644 --- a/src/librustdoc/doctest.rs +++ b/src/librustdoc/doctest.rs @@ -179,7 +179,7 @@ pub(crate) fn run( let opts = scrape_test_config(crate_attrs); let enable_per_target_ignores = options.enable_per_target_ignores; - let mut collector = Collector::new( + let mut collector = CreateRunnableDoctests::new( tcx.crate_name(LOCAL_CRATE).to_string(), options, opts, @@ -989,7 +989,7 @@ pub(crate) trait DoctestVisitor { fn visit_header(&mut self, _name: &str, _level: u32) {} } -pub(crate) struct Collector { +pub(crate) struct CreateRunnableDoctests { pub(crate) tests: Vec, rustdoc_options: RustdocOptions, @@ -1001,14 +1001,14 @@ pub(crate) struct Collector { arg_file: PathBuf, } -impl Collector { +impl CreateRunnableDoctests { pub(crate) fn new( crate_name: String, rustdoc_options: RustdocOptions, opts: GlobalTestOptions, arg_file: PathBuf, - ) -> Collector { - Collector { + ) -> CreateRunnableDoctests { + CreateRunnableDoctests { tests: Vec::new(), rustdoc_options, crate_name, @@ -1105,79 +1105,124 @@ impl Collector { test_type: test::TestType::DocTest, }, testfn: test::DynTestFn(Box::new(move || { - let report_unused_externs = |uext| { - unused_externs.lock().unwrap().push(uext); - }; - let res = run_test( - &text, - &crate_name, - line, - rustdoc_test_options, - langstr, - no_run, - &opts, - edition, - path, - report_unused_externs, - ); - - if let Err(err) = res { - match err { - TestFailure::CompileError => { - eprint!("Couldn't compile the test."); - } - TestFailure::UnexpectedCompilePass => { - eprint!("Test compiled successfully, but it's marked `compile_fail`."); - } - TestFailure::UnexpectedRunPass => { - eprint!("Test executable succeeded, but it's marked `should_panic`."); - } - TestFailure::MissingErrorCodes(codes) => { - eprint!("Some expected error codes were not found: {codes:?}"); - } - TestFailure::ExecutionError(err) => { - eprint!("Couldn't run the test: {err}"); - if err.kind() == io::ErrorKind::PermissionDenied { - eprint!(" - maybe your tempdir is mounted with noexec?"); - } - } - TestFailure::ExecutionFailure(out) => { - eprintln!("Test executable failed ({reason}).", reason = out.status); - - // FIXME(#12309): An unfortunate side-effect of capturing the test - // executable's output is that the relative ordering between the test's - // stdout and stderr is lost. However, this is better than the - // alternative: if the test executable inherited the parent's I/O - // handles the output wouldn't be captured at all, even on success. - // - // The ordering could be preserved if the test process' stderr was - // redirected to stdout, but that functionality does not exist in the - // standard library, so it may not be portable enough. - let stdout = str::from_utf8(&out.stdout).unwrap_or_default(); - let stderr = str::from_utf8(&out.stderr).unwrap_or_default(); - - if !stdout.is_empty() || !stderr.is_empty() { - eprintln!(); - - if !stdout.is_empty() { - eprintln!("stdout:\n{stdout}"); - } - - if !stderr.is_empty() { - eprintln!("stderr:\n{stderr}"); - } - } - } - } - - panic::resume_unwind(Box::new(())); - } - Ok(()) + doctest_run_fn( + RunnableDoctest { + crate_name, + line, + rustdoc_test_options, + langstr, + no_run, + opts, + edition, + path, + text, + }, + unused_externs, + ) })), }); } } +/// A doctest that is ready to run. +struct RunnableDoctest { + crate_name: String, + line: usize, + rustdoc_test_options: IndividualTestOptions, + langstr: LangString, + no_run: bool, + opts: GlobalTestOptions, + edition: Edition, + path: PathBuf, + text: String, +} + +fn doctest_run_fn( + test: RunnableDoctest, + unused_externs: Arc>>, +) -> Result<(), String> { + let RunnableDoctest { + crate_name, + line, + rustdoc_test_options, + langstr, + no_run, + opts, + edition, + path, + text, + } = test; + + let report_unused_externs = |uext| { + unused_externs.lock().unwrap().push(uext); + }; + let res = run_test( + &text, + &crate_name, + line, + rustdoc_test_options, + langstr, + no_run, + &opts, + edition, + path, + report_unused_externs, + ); + + if let Err(err) = res { + match err { + TestFailure::CompileError => { + eprint!("Couldn't compile the test."); + } + TestFailure::UnexpectedCompilePass => { + eprint!("Test compiled successfully, but it's marked `compile_fail`."); + } + TestFailure::UnexpectedRunPass => { + eprint!("Test executable succeeded, but it's marked `should_panic`."); + } + TestFailure::MissingErrorCodes(codes) => { + eprint!("Some expected error codes were not found: {codes:?}"); + } + TestFailure::ExecutionError(err) => { + eprint!("Couldn't run the test: {err}"); + if err.kind() == io::ErrorKind::PermissionDenied { + eprint!(" - maybe your tempdir is mounted with noexec?"); + } + } + TestFailure::ExecutionFailure(out) => { + eprintln!("Test executable failed ({reason}).", reason = out.status); + + // FIXME(#12309): An unfortunate side-effect of capturing the test + // executable's output is that the relative ordering between the test's + // stdout and stderr is lost. However, this is better than the + // alternative: if the test executable inherited the parent's I/O + // handles the output wouldn't be captured at all, even on success. + // + // The ordering could be preserved if the test process' stderr was + // redirected to stdout, but that functionality does not exist in the + // standard library, so it may not be portable enough. + let stdout = str::from_utf8(&out.stdout).unwrap_or_default(); + let stderr = str::from_utf8(&out.stderr).unwrap_or_default(); + + if !stdout.is_empty() || !stderr.is_empty() { + eprintln!(); + + if !stdout.is_empty() { + eprintln!("stdout:\n{stdout}"); + } + + if !stderr.is_empty() { + eprintln!("stderr:\n{stderr}"); + } + } + } + } + + panic::resume_unwind(Box::new(())); + } + Ok(()) +} + #[cfg(test)] // used in tests impl DoctestVisitor for Vec { fn visit_test(&mut self, _test: String, _config: LangString, line: usize) { diff --git a/src/librustdoc/doctest/markdown.rs b/src/librustdoc/doctest/markdown.rs index 6f2769b76810..7a52a8cb18d0 100644 --- a/src/librustdoc/doctest/markdown.rs +++ b/src/librustdoc/doctest/markdown.rs @@ -5,7 +5,9 @@ use std::fs::read_to_string; use rustc_span::FileName; use tempfile::tempdir; -use super::{generate_args_file, Collector, DoctestVisitor, GlobalTestOptions, ScrapedDoctest}; +use super::{ + generate_args_file, CreateRunnableDoctests, DoctestVisitor, GlobalTestOptions, ScrapedDoctest, +}; use crate::config::Options; use crate::html::markdown::{find_testable_code, ErrorCodes, LangString}; @@ -119,8 +121,12 @@ pub(crate) fn test(options: Options) -> Result<(), String> { None, ); - let mut collector = - Collector::new(options.input.filestem().to_string(), options.clone(), opts, file_path); + let mut collector = CreateRunnableDoctests::new( + options.input.filestem().to_string(), + options.clone(), + opts, + file_path, + ); md_collector.tests.into_iter().for_each(|t| collector.add_test(ScrapedDoctest::Markdown(t))); crate::doctest::run_tests(options.test_args, options.nocapture, collector.tests); Ok(()) From 279b4d22f70f8bdb84dad547cf0dbefd587c4bf3 Mon Sep 17 00:00:00 2001 From: Noah Lev Date: Fri, 31 May 2024 11:19:24 -0700 Subject: [PATCH 1158/1716] Merge `RustDoctest` and `MdDoctest` into one type --- src/librustdoc/doctest.rs | 89 ++++++++++++------------------ src/librustdoc/doctest/markdown.rs | 14 +---- src/librustdoc/doctest/rust.rs | 16 ++---- 3 files changed, 42 insertions(+), 77 deletions(-) diff --git a/src/librustdoc/doctest.rs b/src/librustdoc/doctest.rs index 61195f914ebf..5026abb3bffb 100644 --- a/src/librustdoc/doctest.rs +++ b/src/librustdoc/doctest.rs @@ -37,8 +37,7 @@ use crate::config::Options as RustdocOptions; use crate::html::markdown::{ErrorCodes, Ignore, LangString}; use crate::lint::init_lints; -use self::markdown::MdDoctest; -use self::rust::{HirCollector, RustDoctest}; +use self::rust::HirCollector; /// Options that apply to all doctests in a crate or Markdown file (for `rustdoc foo.md`). #[derive(Clone, Default)] @@ -194,7 +193,7 @@ pub(crate) fn run( tcx, ); let tests = hir_collector.collect_crate(); - tests.into_iter().for_each(|t| collector.add_test(ScrapedDoctest::Rust(t))); + tests.into_iter().for_each(|t| collector.add_test(t)); collector }); @@ -976,9 +975,12 @@ impl IndividualTestOptions { } /// A doctest scraped from the code, ready to be turned into a runnable test. -enum ScrapedDoctest { - Rust(RustDoctest), - Markdown(MdDoctest), +struct ScrapedDoctest { + filename: FileName, + line: usize, + logical_path: Vec, + langstr: LangString, + text: String, } pub(crate) trait DoctestVisitor { @@ -1030,27 +1032,18 @@ impl CreateRunnableDoctests { } fn add_test(&mut self, test: ScrapedDoctest) { - let (filename, line, logical_path, langstr, text) = match test { - ScrapedDoctest::Rust(RustDoctest { filename, line, logical_path, langstr, text }) => { - (filename, line, logical_path, langstr, text) - } - ScrapedDoctest::Markdown(MdDoctest { filename, line, logical_path, langstr, text }) => { - (filename, line, logical_path, langstr, text) - } - }; - - let name = self.generate_name(&filename, line, &logical_path); + let name = self.generate_name(&test.filename, test.line, &test.logical_path); let crate_name = self.crate_name.clone(); let opts = self.opts.clone(); - let edition = langstr.edition.unwrap_or(self.rustdoc_options.edition); + let edition = test.langstr.edition.unwrap_or(self.rustdoc_options.edition); let target_str = self.rustdoc_options.target.to_string(); let unused_externs = self.unused_extern_reports.clone(); - let no_run = langstr.no_run || self.rustdoc_options.no_run; - if !langstr.compile_fail { + let no_run = test.langstr.no_run || self.rustdoc_options.no_run; + if !test.langstr.compile_fail { self.compiling_test_count.fetch_add(1, Ordering::SeqCst); } - let path = match &filename { + let path = match &test.filename { FileName::Real(path) => { if let Some(local_path) = path.local_path() { local_path.to_path_buf() @@ -1063,7 +1056,8 @@ impl CreateRunnableDoctests { }; // For example `module/file.rs` would become `module_file_rs` - let file = filename + let file = test + .filename .prefer_local() .to_string_lossy() .chars() @@ -1072,22 +1066,25 @@ impl CreateRunnableDoctests { let test_id = format!( "{file}_{line}_{number}", file = file, - line = line, + line = test.line, number = { // Increases the current test number, if this file already // exists or it creates a new entry with a test number of 0. - self.visited_tests.entry((file.clone(), line)).and_modify(|v| *v += 1).or_insert(0) + self.visited_tests + .entry((file.clone(), test.line)) + .and_modify(|v| *v += 1) + .or_insert(0) }, ); let rustdoc_test_options = IndividualTestOptions::new(&self.rustdoc_options, &self.arg_file, test_id); - debug!("creating test {name}: {text}"); + debug!("creating test {name}: {}", test.text); self.tests.push(test::TestDescAndFn { desc: test::TestDesc { name: test::DynTestName(name), - ignore: match langstr.ignore { + ignore: match test.langstr.ignore { Ignore::All => true, Ignore::None => false, Ignore::Some(ref ignores) => ignores.iter().any(|s| target_str.contains(s)), @@ -1100,7 +1097,7 @@ impl CreateRunnableDoctests { end_col: 0, // compiler failures are test failures should_panic: test::ShouldPanic::No, - compile_fail: langstr.compile_fail, + compile_fail: test.langstr.compile_fail, no_run, test_type: test::TestType::DocTest, }, @@ -1108,14 +1105,12 @@ impl CreateRunnableDoctests { doctest_run_fn( RunnableDoctest { crate_name, - line, rustdoc_test_options, - langstr, no_run, opts, edition, path, - text, + scraped_test: test, }, unused_externs, ) @@ -1127,45 +1122,31 @@ impl CreateRunnableDoctests { /// A doctest that is ready to run. struct RunnableDoctest { crate_name: String, - line: usize, rustdoc_test_options: IndividualTestOptions, - langstr: LangString, no_run: bool, opts: GlobalTestOptions, edition: Edition, path: PathBuf, - text: String, + scraped_test: ScrapedDoctest, } fn doctest_run_fn( - test: RunnableDoctest, + runnable_test: RunnableDoctest, unused_externs: Arc>>, ) -> Result<(), String> { - let RunnableDoctest { - crate_name, - line, - rustdoc_test_options, - langstr, - no_run, - opts, - edition, - path, - text, - } = test; - let report_unused_externs = |uext| { unused_externs.lock().unwrap().push(uext); }; let res = run_test( - &text, - &crate_name, - line, - rustdoc_test_options, - langstr, - no_run, - &opts, - edition, - path, + &runnable_test.scraped_test.text, + &runnable_test.crate_name, + runnable_test.scraped_test.line, + runnable_test.rustdoc_test_options, + runnable_test.scraped_test.langstr, + runnable_test.no_run, + &runnable_test.opts, + runnable_test.edition, + runnable_test.path, report_unused_externs, ); diff --git a/src/librustdoc/doctest/markdown.rs b/src/librustdoc/doctest/markdown.rs index 7a52a8cb18d0..5d0dc5926e88 100644 --- a/src/librustdoc/doctest/markdown.rs +++ b/src/librustdoc/doctest/markdown.rs @@ -11,16 +11,8 @@ use super::{ use crate::config::Options; use crate::html::markdown::{find_testable_code, ErrorCodes, LangString}; -pub(super) struct MdDoctest { - pub(super) filename: FileName, - pub(super) line: usize, - pub(super) logical_path: Vec, - pub(super) langstr: LangString, - pub(super) text: String, -} - struct MdCollector { - tests: Vec, + tests: Vec, cur_path: Vec, filename: FileName, } @@ -28,7 +20,7 @@ struct MdCollector { impl DoctestVisitor for MdCollector { fn visit_test(&mut self, test: String, config: LangString, line: usize) { let filename = self.filename.clone(); - self.tests.push(MdDoctest { + self.tests.push(ScrapedDoctest { filename, line, logical_path: self.cur_path.clone(), @@ -127,7 +119,7 @@ pub(crate) fn test(options: Options) -> Result<(), String> { opts, file_path, ); - md_collector.tests.into_iter().for_each(|t| collector.add_test(ScrapedDoctest::Markdown(t))); + md_collector.tests.into_iter().for_each(|t| collector.add_test(t)); crate::doctest::run_tests(options.test_args, options.nocapture, collector.tests); Ok(()) } diff --git a/src/librustdoc/doctest/rust.rs b/src/librustdoc/doctest/rust.rs index 9e62ed34a586..458c90881c93 100644 --- a/src/librustdoc/doctest/rust.rs +++ b/src/librustdoc/doctest/rust.rs @@ -13,21 +13,13 @@ use rustc_session::Session; use rustc_span::source_map::SourceMap; use rustc_span::{BytePos, FileName, Pos, Span, DUMMY_SP}; -use super::DoctestVisitor; +use super::{DoctestVisitor, ScrapedDoctest}; use crate::clean::{types::AttributesExt, Attributes}; use crate::html::markdown::{self, ErrorCodes, LangString}; -pub(super) struct RustDoctest { - pub(super) filename: FileName, - pub(super) line: usize, - pub(super) logical_path: Vec, - pub(super) langstr: LangString, - pub(super) text: String, -} - struct RustCollector { source_map: Lrc, - tests: Vec, + tests: Vec, cur_path: Vec, position: Span, } @@ -48,7 +40,7 @@ impl RustCollector { impl DoctestVisitor for RustCollector { fn visit_test(&mut self, test: String, config: LangString, line: usize) { - self.tests.push(RustDoctest { + self.tests.push(ScrapedDoctest { filename: self.get_filename(), line, logical_path: self.cur_path.clone(), @@ -92,7 +84,7 @@ impl<'a, 'tcx> HirCollector<'a, 'tcx> { Self { sess, map, codes, enable_per_target_ignores, tcx, collector } } - pub fn collect_crate(mut self) -> Vec { + pub fn collect_crate(mut self) -> Vec { let tcx = self.tcx; self.visit_testable("".to_string(), CRATE_DEF_ID, tcx.hir().span(CRATE_HIR_ID), |this| { tcx.hir().walk_toplevel_module(this) From 46d2aa5a8f8d09d4789d2af01a6acdb3ba9e41a4 Mon Sep 17 00:00:00 2001 From: Noah Lev Date: Fri, 31 May 2024 11:40:01 -0700 Subject: [PATCH 1159/1716] Remove global options from `IndividualTestOptions` --- src/librustdoc/doctest.rs | 61 ++++++++++++++------------------------- 1 file changed, 21 insertions(+), 40 deletions(-) diff --git a/src/librustdoc/doctest.rs b/src/librustdoc/doctest.rs index 5026abb3bffb..f1a4df52a59b 100644 --- a/src/librustdoc/doctest.rs +++ b/src/librustdoc/doctest.rs @@ -365,7 +365,8 @@ fn run_test( test: &str, crate_name: &str, line: usize, - rustdoc_options: IndividualTestOptions, + rustdoc_options: &RustdocOptions, + test_options: IndividualTestOptions, mut lang_string: LangString, no_run: bool, opts: &GlobalTestOptions, @@ -379,12 +380,12 @@ fn run_test( lang_string.test_harness, opts, edition, - Some(&rustdoc_options.test_id), + Some(&test_options.test_id), ); // Make sure we emit well-formed executable names for our target. let rust_out = add_exe_suffix("rust_out".to_owned(), &rustdoc_options.target); - let output_file = rustdoc_options.outdir.path().join(rust_out); + let output_file = test_options.outdir.path().join(rust_out); let rustc_binary = rustdoc_options .test_builder @@ -392,7 +393,7 @@ fn run_test( .unwrap_or_else(|| rustc_interface::util::rustc_path().expect("found rustc")); let mut compiler = wrapped_rustc_command(&rustdoc_options.test_builder_wrappers, rustc_binary); - compiler.arg(&format!("@{}", rustdoc_options.arg_file.display())); + compiler.arg(&format!("@{}", test_options.arg_file.display())); if let Some(sysroot) = &rustdoc_options.maybe_sysroot { compiler.arg(format!("--sysroot={}", sysroot.display())); @@ -405,20 +406,22 @@ fn run_test( if lang_string.test_harness { compiler.arg("--test"); } - if rustdoc_options.is_json_unused_externs_enabled && !lang_string.compile_fail { + if rustdoc_options.json_unused_externs.is_enabled() && !lang_string.compile_fail { compiler.arg("--error-format=json"); compiler.arg("--json").arg("unused-externs"); compiler.arg("-W").arg("unused_crate_dependencies"); compiler.arg("-Z").arg("unstable-options"); } - if no_run && !lang_string.compile_fail && rustdoc_options.should_persist_doctests { + if no_run && !lang_string.compile_fail && rustdoc_options.persist_doctests.is_none() { + // FIXME: why does this code check if it *shouldn't* persist doctests + // -- shouldn't it be the negation? compiler.arg("--emit=metadata"); } - compiler.arg("--target").arg(match rustdoc_options.target { + compiler.arg("--target").arg(match &rustdoc_options.target { TargetTriple::TargetTriple(s) => s, TargetTriple::TargetJson { path_for_rustdoc, .. } => { - path_for_rustdoc.to_str().expect("target path must be valid unicode").to_string() + path_for_rustdoc.to_str().expect("target path must be valid unicode") } }); if let ErrorOutputType::HumanReadable(kind) = rustdoc_options.error_format { @@ -511,15 +514,15 @@ fn run_test( let mut cmd; let output_file = make_maybe_absolute_path(output_file); - if let Some(tool) = rustdoc_options.runtool { + if let Some(tool) = &rustdoc_options.runtool { let tool = make_maybe_absolute_path(tool.into()); cmd = Command::new(tool); - cmd.args(rustdoc_options.runtool_args); + cmd.args(&rustdoc_options.runtool_args); cmd.arg(output_file); } else { cmd = Command::new(output_file); } - if let Some(run_directory) = rustdoc_options.test_run_directory { + if let Some(run_directory) = &rustdoc_options.test_run_directory { cmd.current_dir(run_directory); } @@ -923,20 +926,9 @@ fn partition_source(s: &str, edition: Edition) -> (String, String, String) { } pub(crate) struct IndividualTestOptions { - test_builder: Option, - test_builder_wrappers: Vec, - is_json_unused_externs_enabled: bool, - should_persist_doctests: bool, - error_format: ErrorOutputType, - test_run_directory: Option, - nocapture: bool, arg_file: PathBuf, outdir: DirState, - runtool: Option, - runtool_args: Vec, - target: TargetTriple, test_id: String, - maybe_sysroot: Option, } impl IndividualTestOptions { @@ -955,22 +947,7 @@ impl IndividualTestOptions { DirState::Temp(get_doctest_dir().expect("rustdoc needs a tempdir")) }; - Self { - test_builder: options.test_builder.clone(), - test_builder_wrappers: options.test_builder_wrappers.clone(), - is_json_unused_externs_enabled: options.json_unused_externs.is_enabled(), - should_persist_doctests: options.persist_doctests.is_none(), - error_format: options.error_format, - test_run_directory: options.test_run_directory.clone(), - nocapture: options.nocapture, - arg_file: arg_file.into(), - outdir, - runtool: options.runtool.clone(), - runtool_args: options.runtool_args.clone(), - target: options.target.clone(), - test_id, - maybe_sysroot: options.maybe_sysroot.clone(), - } + Self { arg_file: arg_file.into(), outdir, test_id } } } @@ -994,7 +971,7 @@ pub(crate) trait DoctestVisitor { pub(crate) struct CreateRunnableDoctests { pub(crate) tests: Vec, - rustdoc_options: RustdocOptions, + rustdoc_options: Arc, crate_name: String, opts: GlobalTestOptions, visited_tests: FxHashMap<(String, usize), usize>, @@ -1012,7 +989,7 @@ impl CreateRunnableDoctests { ) -> CreateRunnableDoctests { CreateRunnableDoctests { tests: Vec::new(), - rustdoc_options, + rustdoc_options: Arc::new(rustdoc_options), crate_name, opts, visited_tests: FxHashMap::default(), @@ -1077,6 +1054,7 @@ impl CreateRunnableDoctests { }, ); + let rustdoc_options = self.rustdoc_options.clone(); let rustdoc_test_options = IndividualTestOptions::new(&self.rustdoc_options, &self.arg_file, test_id); @@ -1112,6 +1090,7 @@ impl CreateRunnableDoctests { path, scraped_test: test, }, + rustdoc_options, unused_externs, ) })), @@ -1132,6 +1111,7 @@ struct RunnableDoctest { fn doctest_run_fn( runnable_test: RunnableDoctest, + rustdoc_options: Arc, unused_externs: Arc>>, ) -> Result<(), String> { let report_unused_externs = |uext| { @@ -1141,6 +1121,7 @@ fn doctest_run_fn( &runnable_test.scraped_test.text, &runnable_test.crate_name, runnable_test.scraped_test.line, + &rustdoc_options, runnable_test.rustdoc_test_options, runnable_test.scraped_test.langstr, runnable_test.no_run, From 790b7e9cbfb6aa591520856b018402d62eceb690 Mon Sep 17 00:00:00 2001 From: Noah Lev Date: Fri, 31 May 2024 16:56:04 -0700 Subject: [PATCH 1160/1716] rustdoc: Remove `DoctestVisitor::get_line` This was used to get the line number of the first line from the current docstring, which was then used together with an offset within the docstring. It's simpler to just pass the offset to the visitor and have it do the math because it's clearer and this calculation only needs to be done in one place (the Rust doctest visitor). --- src/librustdoc/doctest.rs | 11 ++++----- src/librustdoc/doctest/markdown.rs | 10 ++++---- src/librustdoc/doctest/rust.rs | 17 ++++++------- src/librustdoc/html/markdown.rs | 24 ++++++++++++++++++- .../passes/check_doc_test_visibility.rs | 4 ++-- 5 files changed, 42 insertions(+), 24 deletions(-) diff --git a/src/librustdoc/doctest.rs b/src/librustdoc/doctest.rs index f1a4df52a59b..dcb350748b64 100644 --- a/src/librustdoc/doctest.rs +++ b/src/librustdoc/doctest.rs @@ -34,7 +34,7 @@ use std::sync::{Arc, Mutex}; use tempfile::{Builder as TempFileBuilder, TempDir}; use crate::config::Options as RustdocOptions; -use crate::html::markdown::{ErrorCodes, Ignore, LangString}; +use crate::html::markdown::{ErrorCodes, Ignore, LangString, MdRelLine}; use crate::lint::init_lints; use self::rust::HirCollector; @@ -961,10 +961,7 @@ struct ScrapedDoctest { } pub(crate) trait DoctestVisitor { - fn visit_test(&mut self, test: String, config: LangString, line: usize); - fn get_line(&self) -> usize { - 0 - } + fn visit_test(&mut self, test: String, config: LangString, rel_line: MdRelLine); fn visit_header(&mut self, _name: &str, _level: u32) {} } @@ -1187,8 +1184,8 @@ fn doctest_run_fn( #[cfg(test)] // used in tests impl DoctestVisitor for Vec { - fn visit_test(&mut self, _test: String, _config: LangString, line: usize) { - self.push(line); + fn visit_test(&mut self, _test: String, _config: LangString, rel_line: MdRelLine) { + self.push(1 + rel_line.offset()); } } diff --git a/src/librustdoc/doctest/markdown.rs b/src/librustdoc/doctest/markdown.rs index 5d0dc5926e88..5fc5f59036bf 100644 --- a/src/librustdoc/doctest/markdown.rs +++ b/src/librustdoc/doctest/markdown.rs @@ -9,7 +9,7 @@ use super::{ generate_args_file, CreateRunnableDoctests, DoctestVisitor, GlobalTestOptions, ScrapedDoctest, }; use crate::config::Options; -use crate::html::markdown::{find_testable_code, ErrorCodes, LangString}; +use crate::html::markdown::{find_testable_code, ErrorCodes, LangString, MdRelLine}; struct MdCollector { tests: Vec, @@ -18,8 +18,10 @@ struct MdCollector { } impl DoctestVisitor for MdCollector { - fn visit_test(&mut self, test: String, config: LangString, line: usize) { + fn visit_test(&mut self, test: String, config: LangString, rel_line: MdRelLine) { let filename = self.filename.clone(); + // First line of Markdown is line 1. + let line = 1 + rel_line.offset(); self.tests.push(ScrapedDoctest { filename, line, @@ -29,10 +31,6 @@ impl DoctestVisitor for MdCollector { }); } - fn get_line(&self) -> usize { - 0 - } - fn visit_header(&mut self, name: &str, level: u32) { // We use these headings as test names, so it's good if // they're valid identifiers. diff --git a/src/librustdoc/doctest/rust.rs b/src/librustdoc/doctest/rust.rs index 458c90881c93..e6bef395fa9c 100644 --- a/src/librustdoc/doctest/rust.rs +++ b/src/librustdoc/doctest/rust.rs @@ -15,7 +15,7 @@ use rustc_span::{BytePos, FileName, Pos, Span, DUMMY_SP}; use super::{DoctestVisitor, ScrapedDoctest}; use crate::clean::{types::AttributesExt, Attributes}; -use crate::html::markdown::{self, ErrorCodes, LangString}; +use crate::html::markdown::{self, ErrorCodes, LangString, MdRelLine}; struct RustCollector { source_map: Lrc, @@ -36,10 +36,17 @@ impl RustCollector { } filename } + + fn get_base_line(&self) -> usize { + let sp_lo = self.position.lo().to_usize(); + let loc = self.source_map.lookup_char_pos(BytePos(sp_lo as u32)); + loc.line + } } impl DoctestVisitor for RustCollector { - fn visit_test(&mut self, test: String, config: LangString, line: usize) { + fn visit_test(&mut self, test: String, config: LangString, rel_line: MdRelLine) { + let line = self.get_base_line() + rel_line.offset(); self.tests.push(ScrapedDoctest { filename: self.get_filename(), line, @@ -49,12 +56,6 @@ impl DoctestVisitor for RustCollector { }); } - fn get_line(&self) -> usize { - let line = self.position.lo().to_usize(); - let line = self.source_map.lookup_char_pos(BytePos(line as u32)).line; - if line > 0 { line - 1 } else { line } - } - fn visit_header(&mut self, _name: &str, _level: u32) {} } diff --git a/src/librustdoc/html/markdown.rs b/src/librustdoc/html/markdown.rs index c8973679132c..17aa0ecf23dc 100644 --- a/src/librustdoc/html/markdown.rs +++ b/src/librustdoc/html/markdown.rs @@ -710,6 +710,28 @@ impl<'a, I: Iterator>> Iterator for Footnotes<'a, I> { } } +/// A newtype that represents a relative line number in Markdown. +/// +/// In other words, this represents an offset from the first line of Markdown +/// in a doc comment or other source. If the first Markdown line appears on line 32, +/// and the `MdRelLine` is 3, then the absolute line for this one is 35. I.e., it's +/// a zero-based offset. +pub(crate) struct MdRelLine { + offset: usize, +} + +impl MdRelLine { + /// See struct docs. + pub(crate) const fn new(offset: usize) -> Self { + Self { offset } + } + + /// See struct docs. + pub(crate) const fn offset(self) -> usize { + self.offset + } +} + pub(crate) fn find_testable_code( doc: &str, tests: &mut T, @@ -772,7 +794,7 @@ pub(crate) fn find_codes( if nb_lines != 0 && !&doc[prev_offset..offset.start].ends_with('\n') { nb_lines -= 1; } - let line = tests.get_line() + nb_lines + 1; + let line = MdRelLine::new(nb_lines); tests.visit_test(text, block_info, line); prev_offset = offset.start; } diff --git a/src/librustdoc/passes/check_doc_test_visibility.rs b/src/librustdoc/passes/check_doc_test_visibility.rs index a4cdb488f05f..0437f5e5fd81 100644 --- a/src/librustdoc/passes/check_doc_test_visibility.rs +++ b/src/librustdoc/passes/check_doc_test_visibility.rs @@ -10,7 +10,7 @@ use crate::clean; use crate::clean::utils::inherits_doc_hidden; use crate::clean::*; use crate::core::DocContext; -use crate::html::markdown::{find_testable_code, ErrorCodes, Ignore, LangString}; +use crate::html::markdown::{find_testable_code, ErrorCodes, Ignore, LangString, MdRelLine}; use crate::visit::DocVisitor; use rustc_hir as hir; use rustc_middle::lint::LintLevelSource; @@ -45,7 +45,7 @@ pub(crate) struct Tests { } impl crate::doctest::DoctestVisitor for Tests { - fn visit_test(&mut self, _: String, config: LangString, _: usize) { + fn visit_test(&mut self, _: String, config: LangString, _: MdRelLine) { if config.rust && config.ignore == Ignore::None { self.found_tests += 1; } From e9e26345475f08e4c5d9be597eddcc9b437b9a1a Mon Sep 17 00:00:00 2001 From: Noah Lev Date: Mon, 3 Jun 2024 20:32:28 -0700 Subject: [PATCH 1161/1716] Make two fields computed on-demand --- src/librustdoc/doctest.rs | 24 +++++++++++++++--------- 1 file changed, 15 insertions(+), 9 deletions(-) diff --git a/src/librustdoc/doctest.rs b/src/librustdoc/doctest.rs index dcb350748b64..1d027fbd15d8 100644 --- a/src/librustdoc/doctest.rs +++ b/src/librustdoc/doctest.rs @@ -960,6 +960,16 @@ struct ScrapedDoctest { text: String, } +impl ScrapedDoctest { + fn edition(&self, opts: &RustdocOptions) -> Edition { + self.langstr.edition.unwrap_or(opts.edition) + } + + fn no_run(&self, opts: &RustdocOptions) -> bool { + self.langstr.no_run || opts.no_run + } +} + pub(crate) trait DoctestVisitor { fn visit_test(&mut self, test: String, config: LangString, rel_line: MdRelLine); fn visit_header(&mut self, _name: &str, _level: u32) {} @@ -1009,10 +1019,8 @@ impl CreateRunnableDoctests { let name = self.generate_name(&test.filename, test.line, &test.logical_path); let crate_name = self.crate_name.clone(); let opts = self.opts.clone(); - let edition = test.langstr.edition.unwrap_or(self.rustdoc_options.edition); let target_str = self.rustdoc_options.target.to_string(); let unused_externs = self.unused_extern_reports.clone(); - let no_run = test.langstr.no_run || self.rustdoc_options.no_run; if !test.langstr.compile_fail { self.compiling_test_count.fetch_add(1, Ordering::SeqCst); } @@ -1073,7 +1081,7 @@ impl CreateRunnableDoctests { // compiler failures are test failures should_panic: test::ShouldPanic::No, compile_fail: test.langstr.compile_fail, - no_run, + no_run: test.no_run(&rustdoc_options), test_type: test::TestType::DocTest, }, testfn: test::DynTestFn(Box::new(move || { @@ -1081,9 +1089,7 @@ impl CreateRunnableDoctests { RunnableDoctest { crate_name, rustdoc_test_options, - no_run, opts, - edition, path, scraped_test: test, }, @@ -1099,9 +1105,7 @@ impl CreateRunnableDoctests { struct RunnableDoctest { crate_name: String, rustdoc_test_options: IndividualTestOptions, - no_run: bool, opts: GlobalTestOptions, - edition: Edition, path: PathBuf, scraped_test: ScrapedDoctest, } @@ -1114,6 +1118,8 @@ fn doctest_run_fn( let report_unused_externs = |uext| { unused_externs.lock().unwrap().push(uext); }; + let no_run = runnable_test.scraped_test.no_run(&rustdoc_options); + let edition = runnable_test.scraped_test.edition(&rustdoc_options); let res = run_test( &runnable_test.scraped_test.text, &runnable_test.crate_name, @@ -1121,9 +1127,9 @@ fn doctest_run_fn( &rustdoc_options, runnable_test.rustdoc_test_options, runnable_test.scraped_test.langstr, - runnable_test.no_run, + no_run, &runnable_test.opts, - runnable_test.edition, + edition, runnable_test.path, report_unused_externs, ); From a429afacbc4c6a753af6b526e74f19b7caedaaad Mon Sep 17 00:00:00 2001 From: Noah Lev Date: Mon, 3 Jun 2024 22:49:54 -0700 Subject: [PATCH 1162/1716] Remove `RunnableDoctest` It should instead be the actual input to the running logic. Currently it's not actually quite runnable since it's still missing some information. --- src/librustdoc/doctest.rs | 41 ++++++++++++++++----------------------- 1 file changed, 17 insertions(+), 24 deletions(-) diff --git a/src/librustdoc/doctest.rs b/src/librustdoc/doctest.rs index 1d027fbd15d8..043d70dc6aac 100644 --- a/src/librustdoc/doctest.rs +++ b/src/librustdoc/doctest.rs @@ -1086,13 +1086,11 @@ impl CreateRunnableDoctests { }, testfn: test::DynTestFn(Box::new(move || { doctest_run_fn( - RunnableDoctest { - crate_name, - rustdoc_test_options, - opts, - path, - scraped_test: test, - }, + crate_name, + rustdoc_test_options, + opts, + path, + test, rustdoc_options, unused_externs, ) @@ -1101,36 +1099,31 @@ impl CreateRunnableDoctests { } } -/// A doctest that is ready to run. -struct RunnableDoctest { +fn doctest_run_fn( crate_name: String, - rustdoc_test_options: IndividualTestOptions, - opts: GlobalTestOptions, + test_opts: IndividualTestOptions, + global_opts: GlobalTestOptions, path: PathBuf, scraped_test: ScrapedDoctest, -} - -fn doctest_run_fn( - runnable_test: RunnableDoctest, rustdoc_options: Arc, unused_externs: Arc>>, ) -> Result<(), String> { let report_unused_externs = |uext| { unused_externs.lock().unwrap().push(uext); }; - let no_run = runnable_test.scraped_test.no_run(&rustdoc_options); - let edition = runnable_test.scraped_test.edition(&rustdoc_options); + let no_run = scraped_test.no_run(&rustdoc_options); + let edition = scraped_test.edition(&rustdoc_options); let res = run_test( - &runnable_test.scraped_test.text, - &runnable_test.crate_name, - runnable_test.scraped_test.line, + &scraped_test.text, + &crate_name, + scraped_test.line, &rustdoc_options, - runnable_test.rustdoc_test_options, - runnable_test.scraped_test.langstr, + test_opts, + scraped_test.langstr, no_run, - &runnable_test.opts, + &global_opts, edition, - runnable_test.path, + path, report_unused_externs, ); From 366000dc07340abfeba6de1d9e7db0913304fa59 Mon Sep 17 00:00:00 2001 From: Noah Lev Date: Mon, 3 Jun 2024 23:16:40 -0700 Subject: [PATCH 1163/1716] Move some arguments to fields and reorganize fields I moved some local arguments and options to either the local options struct or, if it made sense, the global options struct. --- src/librustdoc/doctest.rs | 74 ++++++++++++------------------ src/librustdoc/doctest/markdown.rs | 26 ++++++----- src/librustdoc/html/markdown.rs | 12 ++++- 3 files changed, 54 insertions(+), 58 deletions(-) diff --git a/src/librustdoc/doctest.rs b/src/librustdoc/doctest.rs index 043d70dc6aac..5e3dc4200b7b 100644 --- a/src/librustdoc/doctest.rs +++ b/src/librustdoc/doctest.rs @@ -40,8 +40,10 @@ use crate::lint::init_lints; use self::rust::HirCollector; /// Options that apply to all doctests in a crate or Markdown file (for `rustdoc foo.md`). -#[derive(Clone, Default)] +#[derive(Clone)] pub(crate) struct GlobalTestOptions { + /// Name of the crate (for regular `rustdoc`) or Markdown file (for `rustdoc foo.md`). + pub(crate) crate_name: String, /// Whether to disable the default `extern crate my_crate;` when creating doctests. pub(crate) no_crate_inject: bool, /// Whether inserting extra indent spaces in code block, @@ -49,6 +51,8 @@ pub(crate) struct GlobalTestOptions { pub(crate) insert_indent_space: bool, /// Additional crate-level attributes to add to doctests. pub(crate) attrs: Vec, + /// Path to file containing arguments for the invocation of rustc. + pub(crate) args_file: PathBuf, } pub(crate) fn generate_args_file(file_path: &Path, options: &RustdocOptions) -> Result<(), String> { @@ -167,24 +171,19 @@ pub(crate) fn run( Ok(temp_dir) => temp_dir, Err(error) => return crate::wrap_return(dcx, Err(error)), }; - let file_path = temp_dir.path().join("rustdoc-cfgs"); - crate::wrap_return(dcx, generate_args_file(&file_path, &options))?; + let args_path = temp_dir.path().join("rustdoc-cfgs"); + crate::wrap_return(dcx, generate_args_file(&args_path, &options))?; let (tests, unused_extern_reports, compiling_test_count) = interface::run_compiler(config, |compiler| { compiler.enter(|queries| { let collector = queries.global_ctxt()?.enter(|tcx| { + let crate_name = tcx.crate_name(LOCAL_CRATE).to_string(); let crate_attrs = tcx.hir().attrs(CRATE_HIR_ID); - - let opts = scrape_test_config(crate_attrs); + let opts = scrape_test_config(crate_name, crate_attrs, args_path); let enable_per_target_ignores = options.enable_per_target_ignores; - let mut collector = CreateRunnableDoctests::new( - tcx.crate_name(LOCAL_CRATE).to_string(), - options, - opts, - file_path, - ); + let mut collector = CreateRunnableDoctests::new(options, opts); let hir_collector = HirCollector::new( &compiler.sess, tcx.hir(), @@ -264,11 +263,20 @@ pub(crate) fn run_tests( } // Look for `#![doc(test(no_crate_inject))]`, used by crates in the std facade. -fn scrape_test_config(attrs: &[ast::Attribute]) -> GlobalTestOptions { +fn scrape_test_config( + crate_name: String, + attrs: &[ast::Attribute], + args_file: PathBuf, +) -> GlobalTestOptions { use rustc_ast_pretty::pprust; - let mut opts = - GlobalTestOptions { no_crate_inject: false, attrs: Vec::new(), insert_indent_space: false }; + let mut opts = GlobalTestOptions { + crate_name, + no_crate_inject: false, + attrs: Vec::new(), + insert_indent_space: false, + args_file, + }; let test_attrs: Vec<_> = attrs .iter() @@ -363,7 +371,6 @@ fn wrapped_rustc_command(rustc_wrappers: &[PathBuf], rustc_binary: &Path) -> Com fn run_test( test: &str, - crate_name: &str, line: usize, rustdoc_options: &RustdocOptions, test_options: IndividualTestOptions, @@ -371,12 +378,11 @@ fn run_test( no_run: bool, opts: &GlobalTestOptions, edition: Edition, - path: PathBuf, report_unused_externs: impl Fn(UnusedExterns), ) -> Result<(), TestFailure> { let (test, line_offset, supports_color) = make_test( test, - Some(crate_name), + Some(&opts.crate_name), lang_string.test_harness, opts, edition, @@ -393,14 +399,14 @@ fn run_test( .unwrap_or_else(|| rustc_interface::util::rustc_path().expect("found rustc")); let mut compiler = wrapped_rustc_command(&rustdoc_options.test_builder_wrappers, rustc_binary); - compiler.arg(&format!("@{}", test_options.arg_file.display())); + compiler.arg(&format!("@{}", opts.args_file.display())); if let Some(sysroot) = &rustdoc_options.maybe_sysroot { compiler.arg(format!("--sysroot={}", sysroot.display())); } compiler.arg("--edition").arg(&edition.to_string()); - compiler.env("UNSTABLE_RUSTDOC_TEST_PATH", path); + compiler.env("UNSTABLE_RUSTDOC_TEST_PATH", &test_options.path); compiler.env("UNSTABLE_RUSTDOC_TEST_LINE", format!("{}", line as isize - line_offset as isize)); compiler.arg("-o").arg(&output_file); if lang_string.test_harness { @@ -926,13 +932,13 @@ fn partition_source(s: &str, edition: Edition) -> (String, String, String) { } pub(crate) struct IndividualTestOptions { - arg_file: PathBuf, outdir: DirState, test_id: String, + path: PathBuf, } impl IndividualTestOptions { - fn new(options: &RustdocOptions, arg_file: &Path, test_id: String) -> Self { + fn new(options: &RustdocOptions, test_id: String, test_path: PathBuf) -> Self { let outdir = if let Some(ref path) = options.persist_doctests { let mut path = path.clone(); path.push(&test_id); @@ -947,7 +953,7 @@ impl IndividualTestOptions { DirState::Temp(get_doctest_dir().expect("rustdoc needs a tempdir")) }; - Self { arg_file: arg_file.into(), outdir, test_id } + Self { outdir, test_id, path: test_path } } } @@ -979,30 +985,24 @@ pub(crate) struct CreateRunnableDoctests { pub(crate) tests: Vec, rustdoc_options: Arc, - crate_name: String, opts: GlobalTestOptions, visited_tests: FxHashMap<(String, usize), usize>, unused_extern_reports: Arc>>, compiling_test_count: AtomicUsize, - arg_file: PathBuf, } impl CreateRunnableDoctests { pub(crate) fn new( - crate_name: String, rustdoc_options: RustdocOptions, opts: GlobalTestOptions, - arg_file: PathBuf, ) -> CreateRunnableDoctests { CreateRunnableDoctests { tests: Vec::new(), rustdoc_options: Arc::new(rustdoc_options), - crate_name, opts, visited_tests: FxHashMap::default(), unused_extern_reports: Default::default(), compiling_test_count: AtomicUsize::new(0), - arg_file, } } @@ -1017,7 +1017,6 @@ impl CreateRunnableDoctests { fn add_test(&mut self, test: ScrapedDoctest) { let name = self.generate_name(&test.filename, test.line, &test.logical_path); - let crate_name = self.crate_name.clone(); let opts = self.opts.clone(); let target_str = self.rustdoc_options.target.to_string(); let unused_externs = self.unused_extern_reports.clone(); @@ -1060,8 +1059,7 @@ impl CreateRunnableDoctests { ); let rustdoc_options = self.rustdoc_options.clone(); - let rustdoc_test_options = - IndividualTestOptions::new(&self.rustdoc_options, &self.arg_file, test_id); + let rustdoc_test_options = IndividualTestOptions::new(&self.rustdoc_options, test_id, path); debug!("creating test {name}: {}", test.text); self.tests.push(test::TestDescAndFn { @@ -1085,25 +1083,15 @@ impl CreateRunnableDoctests { test_type: test::TestType::DocTest, }, testfn: test::DynTestFn(Box::new(move || { - doctest_run_fn( - crate_name, - rustdoc_test_options, - opts, - path, - test, - rustdoc_options, - unused_externs, - ) + doctest_run_fn(rustdoc_test_options, opts, test, rustdoc_options, unused_externs) })), }); } } fn doctest_run_fn( - crate_name: String, test_opts: IndividualTestOptions, global_opts: GlobalTestOptions, - path: PathBuf, scraped_test: ScrapedDoctest, rustdoc_options: Arc, unused_externs: Arc>>, @@ -1115,7 +1103,6 @@ fn doctest_run_fn( let edition = scraped_test.edition(&rustdoc_options); let res = run_test( &scraped_test.text, - &crate_name, scraped_test.line, &rustdoc_options, test_opts, @@ -1123,7 +1110,6 @@ fn doctest_run_fn( no_run, &global_opts, edition, - path, report_unused_externs, ); diff --git a/src/librustdoc/doctest/markdown.rs b/src/librustdoc/doctest/markdown.rs index 5fc5f59036bf..b8ab7adb36e8 100644 --- a/src/librustdoc/doctest/markdown.rs +++ b/src/librustdoc/doctest/markdown.rs @@ -73,7 +73,7 @@ impl DoctestVisitor for MdCollector { } } -/// Runs any tests/code examples in the markdown file `input`. +/// Runs any tests/code examples in the markdown file `options.input`. pub(crate) fn test(options: Options) -> Result<(), String> { use rustc_session::config::Input; let input_str = match &options.input { @@ -83,13 +83,20 @@ pub(crate) fn test(options: Options) -> Result<(), String> { Input::Str { name: _, input } => input.clone(), }; - let mut opts = GlobalTestOptions::default(); - opts.no_crate_inject = true; - + // Obviously not a real crate name, but close enough for purposes of doctests. + let crate_name = options.input.filestem().to_string(); let temp_dir = tempdir().map_err(|error| format!("failed to create temporary directory: {error:?}"))?; - let file_path = temp_dir.path().join("rustdoc-cfgs"); - generate_args_file(&file_path, &options)?; + let args_file = temp_dir.path().join("rustdoc-cfgs"); + generate_args_file(&args_file, &options)?; + + let opts = GlobalTestOptions { + crate_name, + no_crate_inject: true, + insert_indent_space: false, + attrs: vec![], + args_file, + }; let mut md_collector = MdCollector { tests: vec![], @@ -111,12 +118,7 @@ pub(crate) fn test(options: Options) -> Result<(), String> { None, ); - let mut collector = CreateRunnableDoctests::new( - options.input.filestem().to_string(), - options.clone(), - opts, - file_path, - ); + let mut collector = CreateRunnableDoctests::new(options.clone(), opts); md_collector.tests.into_iter().for_each(|t| collector.add_test(t)); crate::doctest::run_tests(options.test_args, options.nocapture, collector.tests); Ok(()) diff --git a/src/librustdoc/html/markdown.rs b/src/librustdoc/html/markdown.rs index 17aa0ecf23dc..bae929c64eab 100644 --- a/src/librustdoc/html/markdown.rs +++ b/src/librustdoc/html/markdown.rs @@ -39,6 +39,7 @@ use std::collections::VecDeque; use std::fmt::Write; use std::iter::Peekable; use std::ops::{ControlFlow, Range}; +use std::path::PathBuf; use std::str::{self, CharIndices}; use std::sync::OnceLock; @@ -287,8 +288,15 @@ impl<'a, I: Iterator>> Iterator for CodeBlocks<'_, 'a, I> { .collect::(); let krate = krate.as_ref().map(|s| s.as_str()); - let mut opts: GlobalTestOptions = Default::default(); - opts.insert_indent_space = true; + // FIXME: separate out the code to make a code block into runnable code + // from the complicated doctest logic + let opts = GlobalTestOptions { + crate_name: krate.map(String::from).unwrap_or_default(), + no_crate_inject: false, + insert_indent_space: true, + attrs: vec![], + args_file: PathBuf::new(), + }; let (test, _, _) = doctest::make_test(&test, krate, false, &opts, edition, None); let channel = if test.contains("#![feature(") { "&version=nightly" } else { "" }; From 0dc72d95514d3d11eca2e430bbd206ceb0c8b135 Mon Sep 17 00:00:00 2001 From: Noah Lev Date: Mon, 3 Jun 2024 23:47:12 -0700 Subject: [PATCH 1164/1716] Make doctests before running them; reintroduce `RunnableDoctest` --- src/librustdoc/doctest.rs | 94 ++++++++++++++++++++++----------------- 1 file changed, 53 insertions(+), 41 deletions(-) diff --git a/src/librustdoc/doctest.rs b/src/librustdoc/doctest.rs index 5e3dc4200b7b..c7622d5b5394 100644 --- a/src/librustdoc/doctest.rs +++ b/src/librustdoc/doctest.rs @@ -369,29 +369,25 @@ fn wrapped_rustc_command(rustc_wrappers: &[PathBuf], rustc_binary: &Path) -> Com command } +struct RunnableDoctest { + full_test_code: String, + full_test_line_offset: usize, + test_opts: IndividualTestOptions, + global_opts: GlobalTestOptions, + scraped_test: ScrapedDoctest, +} + fn run_test( - test: &str, - line: usize, + doctest: RunnableDoctest, rustdoc_options: &RustdocOptions, - test_options: IndividualTestOptions, - mut lang_string: LangString, - no_run: bool, - opts: &GlobalTestOptions, - edition: Edition, + supports_color: bool, report_unused_externs: impl Fn(UnusedExterns), ) -> Result<(), TestFailure> { - let (test, line_offset, supports_color) = make_test( - test, - Some(&opts.crate_name), - lang_string.test_harness, - opts, - edition, - Some(&test_options.test_id), - ); - + let scraped_test = &doctest.scraped_test; + let langstr = &scraped_test.langstr; // Make sure we emit well-formed executable names for our target. let rust_out = add_exe_suffix("rust_out".to_owned(), &rustdoc_options.target); - let output_file = test_options.outdir.path().join(rust_out); + let output_file = doctest.test_opts.outdir.path().join(rust_out); let rustc_binary = rustdoc_options .test_builder @@ -399,27 +395,33 @@ fn run_test( .unwrap_or_else(|| rustc_interface::util::rustc_path().expect("found rustc")); let mut compiler = wrapped_rustc_command(&rustdoc_options.test_builder_wrappers, rustc_binary); - compiler.arg(&format!("@{}", opts.args_file.display())); + compiler.arg(&format!("@{}", doctest.global_opts.args_file.display())); if let Some(sysroot) = &rustdoc_options.maybe_sysroot { compiler.arg(format!("--sysroot={}", sysroot.display())); } - compiler.arg("--edition").arg(&edition.to_string()); - compiler.env("UNSTABLE_RUSTDOC_TEST_PATH", &test_options.path); - compiler.env("UNSTABLE_RUSTDOC_TEST_LINE", format!("{}", line as isize - line_offset as isize)); + compiler.arg("--edition").arg(&scraped_test.edition(rustdoc_options).to_string()); + compiler.env("UNSTABLE_RUSTDOC_TEST_PATH", &doctest.test_opts.path); + compiler.env( + "UNSTABLE_RUSTDOC_TEST_LINE", + format!("{}", scraped_test.line as isize - doctest.full_test_line_offset as isize), + ); compiler.arg("-o").arg(&output_file); - if lang_string.test_harness { + if langstr.test_harness { compiler.arg("--test"); } - if rustdoc_options.json_unused_externs.is_enabled() && !lang_string.compile_fail { + if rustdoc_options.json_unused_externs.is_enabled() && !langstr.compile_fail { compiler.arg("--error-format=json"); compiler.arg("--json").arg("unused-externs"); compiler.arg("-W").arg("unused_crate_dependencies"); compiler.arg("-Z").arg("unstable-options"); } - if no_run && !lang_string.compile_fail && rustdoc_options.persist_doctests.is_none() { + if scraped_test.no_run(rustdoc_options) + && !langstr.compile_fail + && rustdoc_options.persist_doctests.is_none() + { // FIXME: why does this code check if it *shouldn't* persist doctests // -- shouldn't it be the negation? compiler.arg("--emit=metadata"); @@ -459,7 +461,7 @@ fn run_test( let mut child = compiler.spawn().expect("Failed to spawn rustc process"); { let stdin = child.stdin.as_mut().expect("Failed to open stdin"); - stdin.write_all(test.as_bytes()).expect("could write out test sources"); + stdin.write_all(doctest.full_test_code.as_bytes()).expect("could write out test sources"); } let output = child.wait_with_output().expect("Failed to read stdout"); @@ -490,20 +492,26 @@ fn run_test( } let _bomb = Bomb(&out); - match (output.status.success(), lang_string.compile_fail) { + match (output.status.success(), langstr.compile_fail) { (true, true) => { return Err(TestFailure::UnexpectedCompilePass); } (true, false) => {} (false, true) => { - if !lang_string.error_codes.is_empty() { + if !langstr.error_codes.is_empty() { // We used to check if the output contained "error[{}]: " but since we added the // colored output, we can't anymore because of the color escape characters before // the ":". - lang_string.error_codes.retain(|err| !out.contains(&format!("error[{err}]"))); + let missing_codes: Vec = scraped_test + .langstr + .error_codes + .iter() + .filter(|err| !out.contains(&format!("error[{err}]"))) + .cloned() + .collect(); - if !lang_string.error_codes.is_empty() { - return Err(TestFailure::MissingErrorCodes(lang_string.error_codes)); + if !missing_codes.is_empty() { + return Err(TestFailure::MissingErrorCodes(missing_codes)); } } } @@ -512,7 +520,7 @@ fn run_test( } } - if no_run { + if scraped_test.no_run(rustdoc_options) { return Ok(()); } @@ -544,9 +552,9 @@ fn run_test( match result { Err(e) => return Err(TestFailure::ExecutionError(e)), Ok(out) => { - if lang_string.should_panic && out.status.success() { + if langstr.should_panic && out.status.success() { return Err(TestFailure::UnexpectedRunPass); - } else if !lang_string.should_panic && !out.status.success() { + } else if !langstr.should_panic && !out.status.success() { return Err(TestFailure::ExecutionFailure(out)); } } @@ -1099,19 +1107,23 @@ fn doctest_run_fn( let report_unused_externs = |uext| { unused_externs.lock().unwrap().push(uext); }; - let no_run = scraped_test.no_run(&rustdoc_options); let edition = scraped_test.edition(&rustdoc_options); - let res = run_test( + let (full_test_code, full_test_line_offset, supports_color) = make_test( &scraped_test.text, - scraped_test.line, - &rustdoc_options, - test_opts, - scraped_test.langstr, - no_run, + Some(&global_opts.crate_name), + scraped_test.langstr.test_harness, &global_opts, edition, - report_unused_externs, + Some(&test_opts.test_id), ); + let runnable_test = RunnableDoctest { + full_test_code, + full_test_line_offset, + test_opts, + global_opts, + scraped_test, + }; + let res = run_test(runnable_test, &rustdoc_options, supports_color, report_unused_externs); if let Err(err) = res { match err { From d06a05e26289ce55114462786faeaf0e7a559cf5 Mon Sep 17 00:00:00 2001 From: Noah Lev Date: Mon, 3 Jun 2024 23:58:42 -0700 Subject: [PATCH 1165/1716] Move logic for "making" doctests to submodule This code turns the raw code given by the user into something actually runnable, e.g. by adding a `main` function if it doesn't already exist. I also made a couple other items private that didn't need to be crate-public. --- src/librustdoc/doctest.rs | 381 +-------------------------------- src/librustdoc/doctest/make.rs | 381 +++++++++++++++++++++++++++++++++ 2 files changed, 387 insertions(+), 375 deletions(-) create mode 100644 src/librustdoc/doctest/make.rs diff --git a/src/librustdoc/doctest.rs b/src/librustdoc/doctest.rs index c7622d5b5394..a732e645b6ba 100644 --- a/src/librustdoc/doctest.rs +++ b/src/librustdoc/doctest.rs @@ -1,23 +1,19 @@ +mod make; mod markdown; mod rust; +pub(crate) use make::make_test; pub(crate) use markdown::test as test_markdown; use rustc_ast as ast; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; -use rustc_data_structures::sync::Lrc; -use rustc_errors::emitter::stderr_destination; use rustc_errors::{ColorConfig, ErrorGuaranteed, FatalError}; use rustc_hir::def_id::LOCAL_CRATE; use rustc_hir::CRATE_HIR_ID; use rustc_interface::interface; -use rustc_parse::new_parser_from_source_str; -use rustc_parse::parser::attr::InnerAttrPolicy; use rustc_session::config::{self, CrateType, ErrorOutputType}; use rustc_session::lint; -use rustc_session::parse::ParseSess; use rustc_span::edition::Edition; -use rustc_span::source_map::SourceMap; use rustc_span::symbol::sym; use rustc_span::FileName; use rustc_target::spec::{Target, TargetTriple}; @@ -577,369 +573,7 @@ fn make_maybe_absolute_path(path: PathBuf) -> PathBuf { } } -/// Transforms a test into code that can be compiled into a Rust binary, and returns the number of -/// lines before the test code begins as well as if the output stream supports colors or not. -pub(crate) fn make_test( - s: &str, - crate_name: Option<&str>, - dont_insert_main: bool, - opts: &GlobalTestOptions, - edition: Edition, - test_id: Option<&str>, -) -> (String, usize, bool) { - let (crate_attrs, everything_else, crates) = partition_source(s, edition); - let everything_else = everything_else.trim(); - let mut line_offset = 0; - let mut prog = String::new(); - let mut supports_color = false; - - if opts.attrs.is_empty() { - // If there aren't any attributes supplied by #![doc(test(attr(...)))], then allow some - // lints that are commonly triggered in doctests. The crate-level test attributes are - // commonly used to make tests fail in case they trigger warnings, so having this there in - // that case may cause some tests to pass when they shouldn't have. - prog.push_str("#![allow(unused)]\n"); - line_offset += 1; - } - - // Next, any attributes that came from the crate root via #![doc(test(attr(...)))]. - for attr in &opts.attrs { - prog.push_str(&format!("#![{attr}]\n")); - line_offset += 1; - } - - // Now push any outer attributes from the example, assuming they - // are intended to be crate attributes. - prog.push_str(&crate_attrs); - prog.push_str(&crates); - - // Uses librustc_ast to parse the doctest and find if there's a main fn and the extern - // crate already is included. - let result = rustc_driver::catch_fatal_errors(|| { - rustc_span::create_session_if_not_set_then(edition, |_| { - use rustc_errors::emitter::{Emitter, HumanEmitter}; - use rustc_errors::DiagCtxt; - use rustc_parse::parser::ForceCollect; - use rustc_span::source_map::FilePathMapping; - - let filename = FileName::anon_source_code(s); - let source = crates + everything_else; - - // Any errors in parsing should also appear when the doctest is compiled for real, so just - // send all the errors that librustc_ast emits directly into a `Sink` instead of stderr. - let sm = Lrc::new(SourceMap::new(FilePathMapping::empty())); - let fallback_bundle = rustc_errors::fallback_fluent_bundle( - rustc_driver::DEFAULT_LOCALE_RESOURCES.to_vec(), - false, - ); - supports_color = - HumanEmitter::new(stderr_destination(ColorConfig::Auto), fallback_bundle.clone()) - .supports_color(); - - let emitter = HumanEmitter::new(Box::new(io::sink()), fallback_bundle); - - // FIXME(misdreavus): pass `-Z treat-err-as-bug` to the doctest parser - let dcx = DiagCtxt::new(Box::new(emitter)).disable_warnings(); - let psess = ParseSess::with_dcx(dcx, sm); - - let mut found_main = false; - let mut found_extern_crate = crate_name.is_none(); - let mut found_macro = false; - - let mut parser = match new_parser_from_source_str(&psess, filename, source) { - Ok(p) => p, - Err(errs) => { - errs.into_iter().for_each(|err| err.cancel()); - return (found_main, found_extern_crate, found_macro); - } - }; - - loop { - match parser.parse_item(ForceCollect::No) { - Ok(Some(item)) => { - if !found_main - && let ast::ItemKind::Fn(..) = item.kind - && item.ident.name == sym::main - { - found_main = true; - } - - if !found_extern_crate - && let ast::ItemKind::ExternCrate(original) = item.kind - { - // This code will never be reached if `crate_name` is none because - // `found_extern_crate` is initialized to `true` if it is none. - let crate_name = crate_name.unwrap(); - - match original { - Some(name) => found_extern_crate = name.as_str() == crate_name, - None => found_extern_crate = item.ident.as_str() == crate_name, - } - } - - if !found_macro && let ast::ItemKind::MacCall(..) = item.kind { - found_macro = true; - } - - if found_main && found_extern_crate { - break; - } - } - Ok(None) => break, - Err(e) => { - e.cancel(); - break; - } - } - - // The supplied item is only used for diagnostics, - // which are swallowed here anyway. - parser.maybe_consume_incorrect_semicolon(None); - } - - // Reset errors so that they won't be reported as compiler bugs when dropping the - // dcx. Any errors in the tests will be reported when the test file is compiled, - // Note that we still need to cancel the errors above otherwise `Diag` will panic on - // drop. - psess.dcx.reset_err_count(); - - (found_main, found_extern_crate, found_macro) - }) - }); - let Ok((already_has_main, already_has_extern_crate, found_macro)) = result else { - // If the parser panicked due to a fatal error, pass the test code through unchanged. - // The error will be reported during compilation. - return (s.to_owned(), 0, false); - }; - - // If a doctest's `fn main` is being masked by a wrapper macro, the parsing loop above won't - // see it. In that case, run the old text-based scan to see if they at least have a main - // function written inside a macro invocation. See - // https://github.com/rust-lang/rust/issues/56898 - let already_has_main = if found_macro && !already_has_main { - s.lines() - .map(|line| { - let comment = line.find("//"); - if let Some(comment_begins) = comment { &line[0..comment_begins] } else { line } - }) - .any(|code| code.contains("fn main")) - } else { - already_has_main - }; - - // Don't inject `extern crate std` because it's already injected by the - // compiler. - if !already_has_extern_crate && !opts.no_crate_inject && crate_name != Some("std") { - if let Some(crate_name) = crate_name { - // Don't inject `extern crate` if the crate is never used. - // NOTE: this is terribly inaccurate because it doesn't actually - // parse the source, but only has false positives, not false - // negatives. - if s.contains(crate_name) { - // rustdoc implicitly inserts an `extern crate` item for the own crate - // which may be unused, so we need to allow the lint. - prog.push_str("#[allow(unused_extern_crates)]\n"); - - prog.push_str(&format!("extern crate r#{crate_name};\n")); - line_offset += 1; - } - } - } - - // FIXME: This code cannot yet handle no_std test cases yet - if dont_insert_main || already_has_main || prog.contains("![no_std]") { - prog.push_str(everything_else); - } else { - let returns_result = everything_else.trim_end().ends_with("(())"); - // Give each doctest main function a unique name. - // This is for example needed for the tooling around `-C instrument-coverage`. - let inner_fn_name = if let Some(test_id) = test_id { - format!("_doctest_main_{test_id}") - } else { - "_inner".into() - }; - let inner_attr = if test_id.is_some() { "#[allow(non_snake_case)] " } else { "" }; - let (main_pre, main_post) = if returns_result { - ( - format!( - "fn main() {{ {inner_attr}fn {inner_fn_name}() -> Result<(), impl core::fmt::Debug> {{\n", - ), - format!("\n}} {inner_fn_name}().unwrap() }}"), - ) - } else if test_id.is_some() { - ( - format!("fn main() {{ {inner_attr}fn {inner_fn_name}() {{\n",), - format!("\n}} {inner_fn_name}() }}"), - ) - } else { - ("fn main() {\n".into(), "\n}".into()) - }; - // Note on newlines: We insert a line/newline *before*, and *after* - // the doctest and adjust the `line_offset` accordingly. - // In the case of `-C instrument-coverage`, this means that the generated - // inner `main` function spans from the doctest opening codeblock to the - // closing one. For example - // /// ``` <- start of the inner main - // /// <- code under doctest - // /// ``` <- end of the inner main - line_offset += 1; - - // add extra 4 spaces for each line to offset the code block - let content = if opts.insert_indent_space { - everything_else - .lines() - .map(|line| format!(" {}", line)) - .collect::>() - .join("\n") - } else { - everything_else.to_string() - }; - prog.extend([&main_pre, content.as_str(), &main_post].iter().cloned()); - } - - debug!("final doctest:\n{prog}"); - - (prog, line_offset, supports_color) -} - -fn check_if_attr_is_complete(source: &str, edition: Edition) -> bool { - if source.is_empty() { - // Empty content so nothing to check in here... - return true; - } - rustc_driver::catch_fatal_errors(|| { - rustc_span::create_session_if_not_set_then(edition, |_| { - use rustc_errors::emitter::HumanEmitter; - use rustc_errors::DiagCtxt; - use rustc_span::source_map::FilePathMapping; - - let filename = FileName::anon_source_code(source); - // Any errors in parsing should also appear when the doctest is compiled for real, so just - // send all the errors that librustc_ast emits directly into a `Sink` instead of stderr. - let sm = Lrc::new(SourceMap::new(FilePathMapping::empty())); - let fallback_bundle = rustc_errors::fallback_fluent_bundle( - rustc_driver::DEFAULT_LOCALE_RESOURCES.to_vec(), - false, - ); - - let emitter = HumanEmitter::new(Box::new(io::sink()), fallback_bundle); - - let dcx = DiagCtxt::new(Box::new(emitter)).disable_warnings(); - let psess = ParseSess::with_dcx(dcx, sm); - let mut parser = match new_parser_from_source_str(&psess, filename, source.to_owned()) { - Ok(p) => p, - Err(errs) => { - errs.into_iter().for_each(|err| err.cancel()); - // If there is an unclosed delimiter, an error will be returned by the - // tokentrees. - return false; - } - }; - // If a parsing error happened, it's very likely that the attribute is incomplete. - if let Err(e) = parser.parse_attribute(InnerAttrPolicy::Permitted) { - e.cancel(); - return false; - } - true - }) - }) - .unwrap_or(false) -} - -fn partition_source(s: &str, edition: Edition) -> (String, String, String) { - #[derive(Copy, Clone, PartialEq)] - enum PartitionState { - Attrs, - Crates, - Other, - } - let mut state = PartitionState::Attrs; - let mut before = String::new(); - let mut crates = String::new(); - let mut after = String::new(); - - let mut mod_attr_pending = String::new(); - - for line in s.lines() { - let trimline = line.trim(); - - // FIXME(misdreavus): if a doc comment is placed on an extern crate statement, it will be - // shunted into "everything else" - match state { - PartitionState::Attrs => { - state = if trimline.starts_with("#![") { - if !check_if_attr_is_complete(line, edition) { - mod_attr_pending = line.to_owned(); - } else { - mod_attr_pending.clear(); - } - PartitionState::Attrs - } else if trimline.chars().all(|c| c.is_whitespace()) - || (trimline.starts_with("//") && !trimline.starts_with("///")) - { - PartitionState::Attrs - } else if trimline.starts_with("extern crate") - || trimline.starts_with("#[macro_use] extern crate") - { - PartitionState::Crates - } else { - // First we check if the previous attribute was "complete"... - if !mod_attr_pending.is_empty() { - // If not, then we append the new line into the pending attribute to check - // if this time it's complete... - mod_attr_pending.push_str(line); - if !trimline.is_empty() - && check_if_attr_is_complete(&mod_attr_pending, edition) - { - // If it's complete, then we can clear the pending content. - mod_attr_pending.clear(); - } - // In any case, this is considered as `PartitionState::Attrs` so it's - // prepended before rustdoc's inserts. - PartitionState::Attrs - } else { - PartitionState::Other - } - }; - } - PartitionState::Crates => { - state = if trimline.starts_with("extern crate") - || trimline.starts_with("#[macro_use] extern crate") - || trimline.chars().all(|c| c.is_whitespace()) - || (trimline.starts_with("//") && !trimline.starts_with("///")) - { - PartitionState::Crates - } else { - PartitionState::Other - }; - } - PartitionState::Other => {} - } - - match state { - PartitionState::Attrs => { - before.push_str(line); - before.push('\n'); - } - PartitionState::Crates => { - crates.push_str(line); - crates.push('\n'); - } - PartitionState::Other => { - after.push_str(line); - after.push('\n'); - } - } - } - - debug!("before:\n{before}"); - debug!("crates:\n{crates}"); - debug!("after:\n{after}"); - - (before, after, crates) -} - -pub(crate) struct IndividualTestOptions { +struct IndividualTestOptions { outdir: DirState, test_id: String, path: PathBuf, @@ -989,8 +623,8 @@ pub(crate) trait DoctestVisitor { fn visit_header(&mut self, _name: &str, _level: u32) {} } -pub(crate) struct CreateRunnableDoctests { - pub(crate) tests: Vec, +struct CreateRunnableDoctests { + tests: Vec, rustdoc_options: Arc, opts: GlobalTestOptions, @@ -1000,10 +634,7 @@ pub(crate) struct CreateRunnableDoctests { } impl CreateRunnableDoctests { - pub(crate) fn new( - rustdoc_options: RustdocOptions, - opts: GlobalTestOptions, - ) -> CreateRunnableDoctests { + fn new(rustdoc_options: RustdocOptions, opts: GlobalTestOptions) -> CreateRunnableDoctests { CreateRunnableDoctests { tests: Vec::new(), rustdoc_options: Arc::new(rustdoc_options), diff --git a/src/librustdoc/doctest/make.rs b/src/librustdoc/doctest/make.rs new file mode 100644 index 000000000000..1eafad9cfc6e --- /dev/null +++ b/src/librustdoc/doctest/make.rs @@ -0,0 +1,381 @@ +//! Logic for transforming the raw code given by the user into something actually +//! runnable, e.g. by adding a `main` function if it doesn't already exist. + +use std::io; + +use rustc_ast as ast; +use rustc_data_structures::sync::Lrc; +use rustc_errors::emitter::stderr_destination; +use rustc_errors::ColorConfig; +use rustc_parse::new_parser_from_source_str; +use rustc_parse::parser::attr::InnerAttrPolicy; +use rustc_session::parse::ParseSess; +use rustc_span::edition::Edition; +use rustc_span::source_map::SourceMap; +use rustc_span::symbol::sym; +use rustc_span::FileName; + +use super::GlobalTestOptions; + +/// Transforms a test into code that can be compiled into a Rust binary, and returns the number of +/// lines before the test code begins as well as if the output stream supports colors or not. +pub(crate) fn make_test( + s: &str, + crate_name: Option<&str>, + dont_insert_main: bool, + opts: &GlobalTestOptions, + edition: Edition, + test_id: Option<&str>, +) -> (String, usize, bool) { + let (crate_attrs, everything_else, crates) = partition_source(s, edition); + let everything_else = everything_else.trim(); + let mut line_offset = 0; + let mut prog = String::new(); + let mut supports_color = false; + + if opts.attrs.is_empty() { + // If there aren't any attributes supplied by #![doc(test(attr(...)))], then allow some + // lints that are commonly triggered in doctests. The crate-level test attributes are + // commonly used to make tests fail in case they trigger warnings, so having this there in + // that case may cause some tests to pass when they shouldn't have. + prog.push_str("#![allow(unused)]\n"); + line_offset += 1; + } + + // Next, any attributes that came from the crate root via #![doc(test(attr(...)))]. + for attr in &opts.attrs { + prog.push_str(&format!("#![{attr}]\n")); + line_offset += 1; + } + + // Now push any outer attributes from the example, assuming they + // are intended to be crate attributes. + prog.push_str(&crate_attrs); + prog.push_str(&crates); + + // Uses librustc_ast to parse the doctest and find if there's a main fn and the extern + // crate already is included. + let result = rustc_driver::catch_fatal_errors(|| { + rustc_span::create_session_if_not_set_then(edition, |_| { + use rustc_errors::emitter::{Emitter, HumanEmitter}; + use rustc_errors::DiagCtxt; + use rustc_parse::parser::ForceCollect; + use rustc_span::source_map::FilePathMapping; + + let filename = FileName::anon_source_code(s); + let source = crates + everything_else; + + // Any errors in parsing should also appear when the doctest is compiled for real, so just + // send all the errors that librustc_ast emits directly into a `Sink` instead of stderr. + let sm = Lrc::new(SourceMap::new(FilePathMapping::empty())); + let fallback_bundle = rustc_errors::fallback_fluent_bundle( + rustc_driver::DEFAULT_LOCALE_RESOURCES.to_vec(), + false, + ); + supports_color = + HumanEmitter::new(stderr_destination(ColorConfig::Auto), fallback_bundle.clone()) + .supports_color(); + + let emitter = HumanEmitter::new(Box::new(io::sink()), fallback_bundle); + + // FIXME(misdreavus): pass `-Z treat-err-as-bug` to the doctest parser + let dcx = DiagCtxt::new(Box::new(emitter)).disable_warnings(); + let psess = ParseSess::with_dcx(dcx, sm); + + let mut found_main = false; + let mut found_extern_crate = crate_name.is_none(); + let mut found_macro = false; + + let mut parser = match new_parser_from_source_str(&psess, filename, source) { + Ok(p) => p, + Err(errs) => { + errs.into_iter().for_each(|err| err.cancel()); + return (found_main, found_extern_crate, found_macro); + } + }; + + loop { + match parser.parse_item(ForceCollect::No) { + Ok(Some(item)) => { + if !found_main + && let ast::ItemKind::Fn(..) = item.kind + && item.ident.name == sym::main + { + found_main = true; + } + + if !found_extern_crate + && let ast::ItemKind::ExternCrate(original) = item.kind + { + // This code will never be reached if `crate_name` is none because + // `found_extern_crate` is initialized to `true` if it is none. + let crate_name = crate_name.unwrap(); + + match original { + Some(name) => found_extern_crate = name.as_str() == crate_name, + None => found_extern_crate = item.ident.as_str() == crate_name, + } + } + + if !found_macro && let ast::ItemKind::MacCall(..) = item.kind { + found_macro = true; + } + + if found_main && found_extern_crate { + break; + } + } + Ok(None) => break, + Err(e) => { + e.cancel(); + break; + } + } + + // The supplied item is only used for diagnostics, + // which are swallowed here anyway. + parser.maybe_consume_incorrect_semicolon(None); + } + + // Reset errors so that they won't be reported as compiler bugs when dropping the + // dcx. Any errors in the tests will be reported when the test file is compiled, + // Note that we still need to cancel the errors above otherwise `Diag` will panic on + // drop. + psess.dcx.reset_err_count(); + + (found_main, found_extern_crate, found_macro) + }) + }); + let Ok((already_has_main, already_has_extern_crate, found_macro)) = result else { + // If the parser panicked due to a fatal error, pass the test code through unchanged. + // The error will be reported during compilation. + return (s.to_owned(), 0, false); + }; + + // If a doctest's `fn main` is being masked by a wrapper macro, the parsing loop above won't + // see it. In that case, run the old text-based scan to see if they at least have a main + // function written inside a macro invocation. See + // https://github.com/rust-lang/rust/issues/56898 + let already_has_main = if found_macro && !already_has_main { + s.lines() + .map(|line| { + let comment = line.find("//"); + if let Some(comment_begins) = comment { &line[0..comment_begins] } else { line } + }) + .any(|code| code.contains("fn main")) + } else { + already_has_main + }; + + // Don't inject `extern crate std` because it's already injected by the + // compiler. + if !already_has_extern_crate && !opts.no_crate_inject && crate_name != Some("std") { + if let Some(crate_name) = crate_name { + // Don't inject `extern crate` if the crate is never used. + // NOTE: this is terribly inaccurate because it doesn't actually + // parse the source, but only has false positives, not false + // negatives. + if s.contains(crate_name) { + // rustdoc implicitly inserts an `extern crate` item for the own crate + // which may be unused, so we need to allow the lint. + prog.push_str("#[allow(unused_extern_crates)]\n"); + + prog.push_str(&format!("extern crate r#{crate_name};\n")); + line_offset += 1; + } + } + } + + // FIXME: This code cannot yet handle no_std test cases yet + if dont_insert_main || already_has_main || prog.contains("![no_std]") { + prog.push_str(everything_else); + } else { + let returns_result = everything_else.trim_end().ends_with("(())"); + // Give each doctest main function a unique name. + // This is for example needed for the tooling around `-C instrument-coverage`. + let inner_fn_name = if let Some(test_id) = test_id { + format!("_doctest_main_{test_id}") + } else { + "_inner".into() + }; + let inner_attr = if test_id.is_some() { "#[allow(non_snake_case)] " } else { "" }; + let (main_pre, main_post) = if returns_result { + ( + format!( + "fn main() {{ {inner_attr}fn {inner_fn_name}() -> Result<(), impl core::fmt::Debug> {{\n", + ), + format!("\n}} {inner_fn_name}().unwrap() }}"), + ) + } else if test_id.is_some() { + ( + format!("fn main() {{ {inner_attr}fn {inner_fn_name}() {{\n",), + format!("\n}} {inner_fn_name}() }}"), + ) + } else { + ("fn main() {\n".into(), "\n}".into()) + }; + // Note on newlines: We insert a line/newline *before*, and *after* + // the doctest and adjust the `line_offset` accordingly. + // In the case of `-C instrument-coverage`, this means that the generated + // inner `main` function spans from the doctest opening codeblock to the + // closing one. For example + // /// ``` <- start of the inner main + // /// <- code under doctest + // /// ``` <- end of the inner main + line_offset += 1; + + // add extra 4 spaces for each line to offset the code block + let content = if opts.insert_indent_space { + everything_else + .lines() + .map(|line| format!(" {}", line)) + .collect::>() + .join("\n") + } else { + everything_else.to_string() + }; + prog.extend([&main_pre, content.as_str(), &main_post].iter().cloned()); + } + + debug!("final doctest:\n{prog}"); + + (prog, line_offset, supports_color) +} + +fn check_if_attr_is_complete(source: &str, edition: Edition) -> bool { + if source.is_empty() { + // Empty content so nothing to check in here... + return true; + } + rustc_driver::catch_fatal_errors(|| { + rustc_span::create_session_if_not_set_then(edition, |_| { + use rustc_errors::emitter::HumanEmitter; + use rustc_errors::DiagCtxt; + use rustc_span::source_map::FilePathMapping; + + let filename = FileName::anon_source_code(source); + // Any errors in parsing should also appear when the doctest is compiled for real, so just + // send all the errors that librustc_ast emits directly into a `Sink` instead of stderr. + let sm = Lrc::new(SourceMap::new(FilePathMapping::empty())); + let fallback_bundle = rustc_errors::fallback_fluent_bundle( + rustc_driver::DEFAULT_LOCALE_RESOURCES.to_vec(), + false, + ); + + let emitter = HumanEmitter::new(Box::new(io::sink()), fallback_bundle); + + let dcx = DiagCtxt::new(Box::new(emitter)).disable_warnings(); + let psess = ParseSess::with_dcx(dcx, sm); + let mut parser = + match new_parser_from_source_str(&psess, filename, source.to_owned()) { + Ok(p) => p, + Err(errs) => { + errs.into_iter().for_each(|err| err.cancel()); + // If there is an unclosed delimiter, an error will be returned by the + // tokentrees. + return false; + } + }; + // If a parsing error happened, it's very likely that the attribute is incomplete. + if let Err(e) = parser.parse_attribute(InnerAttrPolicy::Permitted) { + e.cancel(); + return false; + } + true + }) + }) + .unwrap_or(false) +} + +fn partition_source(s: &str, edition: Edition) -> (String, String, String) { + #[derive(Copy, Clone, PartialEq)] + enum PartitionState { + Attrs, + Crates, + Other, + } + let mut state = PartitionState::Attrs; + let mut before = String::new(); + let mut crates = String::new(); + let mut after = String::new(); + + let mut mod_attr_pending = String::new(); + + for line in s.lines() { + let trimline = line.trim(); + + // FIXME(misdreavus): if a doc comment is placed on an extern crate statement, it will be + // shunted into "everything else" + match state { + PartitionState::Attrs => { + state = if trimline.starts_with("#![") { + if !check_if_attr_is_complete(line, edition) { + mod_attr_pending = line.to_owned(); + } else { + mod_attr_pending.clear(); + } + PartitionState::Attrs + } else if trimline.chars().all(|c| c.is_whitespace()) + || (trimline.starts_with("//") && !trimline.starts_with("///")) + { + PartitionState::Attrs + } else if trimline.starts_with("extern crate") + || trimline.starts_with("#[macro_use] extern crate") + { + PartitionState::Crates + } else { + // First we check if the previous attribute was "complete"... + if !mod_attr_pending.is_empty() { + // If not, then we append the new line into the pending attribute to check + // if this time it's complete... + mod_attr_pending.push_str(line); + if !trimline.is_empty() + && check_if_attr_is_complete(&mod_attr_pending, edition) + { + // If it's complete, then we can clear the pending content. + mod_attr_pending.clear(); + } + // In any case, this is considered as `PartitionState::Attrs` so it's + // prepended before rustdoc's inserts. + PartitionState::Attrs + } else { + PartitionState::Other + } + }; + } + PartitionState::Crates => { + state = if trimline.starts_with("extern crate") + || trimline.starts_with("#[macro_use] extern crate") + || trimline.chars().all(|c| c.is_whitespace()) + || (trimline.starts_with("//") && !trimline.starts_with("///")) + { + PartitionState::Crates + } else { + PartitionState::Other + }; + } + PartitionState::Other => {} + } + + match state { + PartitionState::Attrs => { + before.push_str(line); + before.push('\n'); + } + PartitionState::Crates => { + crates.push_str(line); + crates.push('\n'); + } + PartitionState::Other => { + after.push_str(line); + after.push('\n'); + } + } + } + + debug!("before:\n{before}"); + debug!("crates:\n{crates}"); + debug!("after:\n{after}"); + + (before, after, crates) +} From 815c447680a984c953d9c00a774aa151651f075f Mon Sep 17 00:00:00 2001 From: Noah Lev Date: Tue, 4 Jun 2024 00:16:44 -0700 Subject: [PATCH 1166/1716] Parse full doctest source; extract helper for parsing code It doesn't really make sense to skip part of the source when we're parsing it, so parse the whole doctest. This simplifies things too. --- src/librustdoc/doctest/make.rs | 230 +++++++++++++++++---------------- 1 file changed, 122 insertions(+), 108 deletions(-) diff --git a/src/librustdoc/doctest/make.rs b/src/librustdoc/doctest/make.rs index 1eafad9cfc6e..90efcbdd8b1b 100644 --- a/src/librustdoc/doctest/make.rs +++ b/src/librustdoc/doctest/make.rs @@ -6,7 +6,7 @@ use std::io; use rustc_ast as ast; use rustc_data_structures::sync::Lrc; use rustc_errors::emitter::stderr_destination; -use rustc_errors::ColorConfig; +use rustc_errors::{ColorConfig, FatalError}; use rustc_parse::new_parser_from_source_str; use rustc_parse::parser::attr::InnerAttrPolicy; use rustc_session::parse::ParseSess; @@ -55,118 +55,14 @@ pub(crate) fn make_test( // Uses librustc_ast to parse the doctest and find if there's a main fn and the extern // crate already is included. - let result = rustc_driver::catch_fatal_errors(|| { - rustc_span::create_session_if_not_set_then(edition, |_| { - use rustc_errors::emitter::{Emitter, HumanEmitter}; - use rustc_errors::DiagCtxt; - use rustc_parse::parser::ForceCollect; - use rustc_span::source_map::FilePathMapping; - - let filename = FileName::anon_source_code(s); - let source = crates + everything_else; - - // Any errors in parsing should also appear when the doctest is compiled for real, so just - // send all the errors that librustc_ast emits directly into a `Sink` instead of stderr. - let sm = Lrc::new(SourceMap::new(FilePathMapping::empty())); - let fallback_bundle = rustc_errors::fallback_fluent_bundle( - rustc_driver::DEFAULT_LOCALE_RESOURCES.to_vec(), - false, - ); - supports_color = - HumanEmitter::new(stderr_destination(ColorConfig::Auto), fallback_bundle.clone()) - .supports_color(); - - let emitter = HumanEmitter::new(Box::new(io::sink()), fallback_bundle); - - // FIXME(misdreavus): pass `-Z treat-err-as-bug` to the doctest parser - let dcx = DiagCtxt::new(Box::new(emitter)).disable_warnings(); - let psess = ParseSess::with_dcx(dcx, sm); - - let mut found_main = false; - let mut found_extern_crate = crate_name.is_none(); - let mut found_macro = false; - - let mut parser = match new_parser_from_source_str(&psess, filename, source) { - Ok(p) => p, - Err(errs) => { - errs.into_iter().for_each(|err| err.cancel()); - return (found_main, found_extern_crate, found_macro); - } - }; - - loop { - match parser.parse_item(ForceCollect::No) { - Ok(Some(item)) => { - if !found_main - && let ast::ItemKind::Fn(..) = item.kind - && item.ident.name == sym::main - { - found_main = true; - } - - if !found_extern_crate - && let ast::ItemKind::ExternCrate(original) = item.kind - { - // This code will never be reached if `crate_name` is none because - // `found_extern_crate` is initialized to `true` if it is none. - let crate_name = crate_name.unwrap(); - - match original { - Some(name) => found_extern_crate = name.as_str() == crate_name, - None => found_extern_crate = item.ident.as_str() == crate_name, - } - } - - if !found_macro && let ast::ItemKind::MacCall(..) = item.kind { - found_macro = true; - } - - if found_main && found_extern_crate { - break; - } - } - Ok(None) => break, - Err(e) => { - e.cancel(); - break; - } - } - - // The supplied item is only used for diagnostics, - // which are swallowed here anyway. - parser.maybe_consume_incorrect_semicolon(None); - } - - // Reset errors so that they won't be reported as compiler bugs when dropping the - // dcx. Any errors in the tests will be reported when the test file is compiled, - // Note that we still need to cancel the errors above otherwise `Diag` will panic on - // drop. - psess.dcx.reset_err_count(); - - (found_main, found_extern_crate, found_macro) - }) - }); - let Ok((already_has_main, already_has_extern_crate, found_macro)) = result else { + let Ok((already_has_main, already_has_extern_crate)) = + check_for_main_and_extern_crate(crate_name, s.to_owned(), edition, &mut supports_color) + else { // If the parser panicked due to a fatal error, pass the test code through unchanged. // The error will be reported during compilation. return (s.to_owned(), 0, false); }; - // If a doctest's `fn main` is being masked by a wrapper macro, the parsing loop above won't - // see it. In that case, run the old text-based scan to see if they at least have a main - // function written inside a macro invocation. See - // https://github.com/rust-lang/rust/issues/56898 - let already_has_main = if found_macro && !already_has_main { - s.lines() - .map(|line| { - let comment = line.find("//"); - if let Some(comment_begins) = comment { &line[0..comment_begins] } else { line } - }) - .any(|code| code.contains("fn main")) - } else { - already_has_main - }; - // Don't inject `extern crate std` because it's already injected by the // compiler. if !already_has_extern_crate && !opts.no_crate_inject && crate_name != Some("std") { @@ -242,6 +138,124 @@ pub(crate) fn make_test( (prog, line_offset, supports_color) } +fn check_for_main_and_extern_crate( + crate_name: Option<&str>, + source: String, + edition: Edition, + supports_color: &mut bool, +) -> Result<(bool, bool), FatalError> { + let result = rustc_driver::catch_fatal_errors(|| { + rustc_span::create_session_if_not_set_then(edition, |_| { + use rustc_errors::emitter::{Emitter, HumanEmitter}; + use rustc_errors::DiagCtxt; + use rustc_parse::parser::ForceCollect; + use rustc_span::source_map::FilePathMapping; + + let filename = FileName::anon_source_code(&source); + + // Any errors in parsing should also appear when the doctest is compiled for real, so just + // send all the errors that librustc_ast emits directly into a `Sink` instead of stderr. + let sm = Lrc::new(SourceMap::new(FilePathMapping::empty())); + let fallback_bundle = rustc_errors::fallback_fluent_bundle( + rustc_driver::DEFAULT_LOCALE_RESOURCES.to_vec(), + false, + ); + *supports_color = + HumanEmitter::new(stderr_destination(ColorConfig::Auto), fallback_bundle.clone()) + .supports_color(); + + let emitter = HumanEmitter::new(Box::new(io::sink()), fallback_bundle); + + // FIXME(misdreavus): pass `-Z treat-err-as-bug` to the doctest parser + let dcx = DiagCtxt::new(Box::new(emitter)).disable_warnings(); + let psess = ParseSess::with_dcx(dcx, sm); + + let mut found_main = false; + let mut found_extern_crate = crate_name.is_none(); + let mut found_macro = false; + + let mut parser = + match new_parser_from_source_str(&psess, filename, source.clone()) { + Ok(p) => p, + Err(errs) => { + errs.into_iter().for_each(|err| err.cancel()); + return (found_main, found_extern_crate, found_macro); + } + }; + + loop { + match parser.parse_item(ForceCollect::No) { + Ok(Some(item)) => { + if !found_main + && let ast::ItemKind::Fn(..) = item.kind + && item.ident.name == sym::main + { + found_main = true; + } + + if !found_extern_crate + && let ast::ItemKind::ExternCrate(original) = item.kind + { + // This code will never be reached if `crate_name` is none because + // `found_extern_crate` is initialized to `true` if it is none. + let crate_name = crate_name.unwrap(); + + match original { + Some(name) => found_extern_crate = name.as_str() == crate_name, + None => found_extern_crate = item.ident.as_str() == crate_name, + } + } + + if !found_macro && let ast::ItemKind::MacCall(..) = item.kind { + found_macro = true; + } + + if found_main && found_extern_crate { + break; + } + } + Ok(None) => break, + Err(e) => { + e.cancel(); + break; + } + } + + // The supplied item is only used for diagnostics, + // which are swallowed here anyway. + parser.maybe_consume_incorrect_semicolon(None); + } + + // Reset errors so that they won't be reported as compiler bugs when dropping the + // dcx. Any errors in the tests will be reported when the test file is compiled, + // Note that we still need to cancel the errors above otherwise `Diag` will panic on + // drop. + psess.dcx.reset_err_count(); + + (found_main, found_extern_crate, found_macro) + }) + }); + let (already_has_main, already_has_extern_crate, found_macro) = result?; + + // If a doctest's `fn main` is being masked by a wrapper macro, the parsing loop above won't + // see it. In that case, run the old text-based scan to see if they at least have a main + // function written inside a macro invocation. See + // https://github.com/rust-lang/rust/issues/56898 + let already_has_main = if found_macro && !already_has_main { + source + .lines() + .map(|line| { + let comment = line.find("//"); + if let Some(comment_begins) = comment { &line[0..comment_begins] } else { line } + }) + .any(|code| code.contains("fn main")) + } else { + already_has_main + }; + + Ok((already_has_main, already_has_extern_crate)) +} + fn check_if_attr_is_complete(source: &str, edition: Edition) -> bool { if source.is_empty() { // Empty content so nothing to check in here... From 3670ad59ade784226515327f2d776f02a6613f2c Mon Sep 17 00:00:00 2001 From: Noah Lev Date: Tue, 4 Jun 2024 01:05:50 -0700 Subject: [PATCH 1167/1716] Fix broken rustdoc unit tests --- src/librustdoc/doctest/tests.rs | 59 +++++++++++++++++++++------------ 1 file changed, 37 insertions(+), 22 deletions(-) diff --git a/src/librustdoc/doctest/tests.rs b/src/librustdoc/doctest/tests.rs index 9629acb31eb6..9124ec63267c 100644 --- a/src/librustdoc/doctest/tests.rs +++ b/src/librustdoc/doctest/tests.rs @@ -1,10 +1,23 @@ +use std::path::PathBuf; + use super::{make_test, GlobalTestOptions}; use rustc_span::edition::DEFAULT_EDITION; +/// Default [`GlobalTestOptions`] for these unit tests. +fn default_global_opts(crate_name: impl Into) -> GlobalTestOptions { + GlobalTestOptions { + crate_name: crate_name.into(), + no_crate_inject: false, + insert_indent_space: false, + attrs: vec![], + args_file: PathBuf::new(), + } +} + #[test] fn make_test_basic() { //basic use: wraps with `fn main`, adds `#![allow(unused)]` - let opts = GlobalTestOptions::default(); + let opts = default_global_opts(""); let input = "assert_eq!(2+2, 4);"; let expected = "#![allow(unused)] fn main() { @@ -19,7 +32,7 @@ assert_eq!(2+2, 4); fn make_test_crate_name_no_use() { // If you give a crate name but *don't* use it within the test, it won't bother inserting // the `extern crate` statement. - let opts = GlobalTestOptions::default(); + let opts = default_global_opts("asdf"); let input = "assert_eq!(2+2, 4);"; let expected = "#![allow(unused)] fn main() { @@ -34,7 +47,7 @@ assert_eq!(2+2, 4); fn make_test_crate_name() { // If you give a crate name and use it within the test, it will insert an `extern crate` // statement before `fn main`. - let opts = GlobalTestOptions::default(); + let opts = default_global_opts("asdf"); let input = "use asdf::qwop; assert_eq!(2+2, 4);"; let expected = "#![allow(unused)] @@ -53,8 +66,7 @@ assert_eq!(2+2, 4); fn make_test_no_crate_inject() { // Even if you do use the crate within the test, setting `opts.no_crate_inject` will skip // adding it anyway. - let opts = - GlobalTestOptions { no_crate_inject: true, attrs: vec![], insert_indent_space: false }; + let opts = GlobalTestOptions { no_crate_inject: true, ..default_global_opts("asdf") }; let input = "use asdf::qwop; assert_eq!(2+2, 4);"; let expected = "#![allow(unused)] @@ -72,7 +84,7 @@ fn make_test_ignore_std() { // Even if you include a crate name, and use it in the doctest, we still won't include an // `extern crate` statement if the crate is "std" -- that's included already by the // compiler! - let opts = GlobalTestOptions::default(); + let opts = default_global_opts("std"); let input = "use std::*; assert_eq!(2+2, 4);"; let expected = "#![allow(unused)] @@ -89,7 +101,7 @@ assert_eq!(2+2, 4); fn make_test_manual_extern_crate() { // When you manually include an `extern crate` statement in your doctest, `make_test` // assumes you've included one for your own crate too. - let opts = GlobalTestOptions::default(); + let opts = default_global_opts("asdf"); let input = "extern crate asdf; use asdf::qwop; assert_eq!(2+2, 4);"; @@ -106,7 +118,7 @@ assert_eq!(2+2, 4); #[test] fn make_test_manual_extern_crate_with_macro_use() { - let opts = GlobalTestOptions::default(); + let opts = default_global_opts("asdf"); let input = "#[macro_use] extern crate asdf; use asdf::qwop; assert_eq!(2+2, 4);"; @@ -125,7 +137,7 @@ assert_eq!(2+2, 4); fn make_test_opts_attrs() { // If you supplied some doctest attributes with `#![doc(test(attr(...)))]`, it will use // those instead of the stock `#![allow(unused)]`. - let mut opts = GlobalTestOptions::default(); + let mut opts = default_global_opts("asdf"); opts.attrs.push("feature(sick_rad)".to_string()); let input = "use asdf::qwop; assert_eq!(2+2, 4);"; @@ -159,7 +171,7 @@ assert_eq!(2+2, 4); fn make_test_crate_attrs() { // Including inner attributes in your doctest will apply them to the whole "crate", pasting // them outside the generated main function. - let opts = GlobalTestOptions::default(); + let opts = default_global_opts(""); let input = "#![feature(sick_rad)] assert_eq!(2+2, 4);"; let expected = "#![allow(unused)] @@ -175,7 +187,7 @@ assert_eq!(2+2, 4); #[test] fn make_test_with_main() { // Including your own `fn main` wrapper lets the test use it verbatim. - let opts = GlobalTestOptions::default(); + let opts = default_global_opts(""); let input = "fn main() { assert_eq!(2+2, 4); }"; @@ -191,7 +203,7 @@ fn main() { #[test] fn make_test_fake_main() { // ... but putting it in a comment will still provide a wrapper. - let opts = GlobalTestOptions::default(); + let opts = default_global_opts(""); let input = "//Ceci n'est pas une `fn main` assert_eq!(2+2, 4);"; let expected = "#![allow(unused)] @@ -207,7 +219,7 @@ assert_eq!(2+2, 4); #[test] fn make_test_dont_insert_main() { // Even with that, if you set `dont_insert_main`, it won't create the `fn main` wrapper. - let opts = GlobalTestOptions::default(); + let opts = default_global_opts(""); let input = "//Ceci n'est pas une `fn main` assert_eq!(2+2, 4);"; let expected = "#![allow(unused)] @@ -219,8 +231,8 @@ assert_eq!(2+2, 4);" } #[test] -fn make_test_issues_21299_33731() { - let opts = GlobalTestOptions::default(); +fn make_test_issues_21299() { + let opts = default_global_opts(""); let input = "// fn main assert_eq!(2+2, 4);"; @@ -234,6 +246,11 @@ assert_eq!(2+2, 4); let (output, len, _) = make_test(input, None, false, &opts, DEFAULT_EDITION, None); assert_eq!((output, len), (expected, 2)); +} + +#[test] +fn make_test_issues_33731() { + let opts = default_global_opts("asdf"); let input = "extern crate hella_qwop; assert_eq!(asdf::foo, 4);"; @@ -253,7 +270,7 @@ assert_eq!(asdf::foo, 4); #[test] fn make_test_main_in_macro() { - let opts = GlobalTestOptions::default(); + let opts = default_global_opts("my_crate"); let input = "#[macro_use] extern crate my_crate; test_wrapper! { fn main() {} @@ -272,7 +289,7 @@ test_wrapper! { #[test] fn make_test_returns_result() { // creates an inner function and unwraps it - let opts = GlobalTestOptions::default(); + let opts = default_global_opts(""); let input = "use std::io; let mut input = String::new(); io::stdin().read_line(&mut input)?; @@ -292,7 +309,7 @@ Ok::<(), io:Error>(()) #[test] fn make_test_named_wrapper() { // creates an inner function with a specific name - let opts = GlobalTestOptions::default(); + let opts = default_global_opts(""); let input = "assert_eq!(2+2, 4);"; let expected = "#![allow(unused)] fn main() { #[allow(non_snake_case)] fn _doctest_main__some_unique_name() { @@ -307,8 +324,7 @@ assert_eq!(2+2, 4); #[test] fn make_test_insert_extra_space() { // will insert indent spaces in the code block if `insert_indent_space` is true - let opts = - GlobalTestOptions { no_crate_inject: false, attrs: vec![], insert_indent_space: true }; + let opts = GlobalTestOptions { insert_indent_space: true, ..default_global_opts("") }; let input = "use std::*; assert_eq!(2+2, 4); eprintln!(\"hello anan\"); @@ -327,8 +343,7 @@ fn main() { #[test] fn make_test_insert_extra_space_fn_main() { // if input already has a fn main, it should insert a space before it - let opts = - GlobalTestOptions { no_crate_inject: false, attrs: vec![], insert_indent_space: true }; + let opts = GlobalTestOptions { insert_indent_space: true, ..default_global_opts("") }; let input = "use std::*; fn main() { assert_eq!(2+2, 4); From 1781333ec75b9222446405aa0ab960f2fea004bb Mon Sep 17 00:00:00 2001 From: J-ZhengLi Date: Sat, 8 Jun 2024 00:06:20 +0800 Subject: [PATCH 1168/1716] [`match_same_arms`]: add a test case with lifetimes --- tests/ui/match_same_arms2.fixed | 17 +++++++++++++++++ tests/ui/match_same_arms2.rs | 18 ++++++++++++++++++ tests/ui/match_same_arms2.stderr | 18 +++++++++++++++++- 3 files changed, 52 insertions(+), 1 deletion(-) diff --git a/tests/ui/match_same_arms2.fixed b/tests/ui/match_same_arms2.fixed index fba0cf33b3c2..09e960ddd6a9 100644 --- a/tests/ui/match_same_arms2.fixed +++ b/tests/ui/match_same_arms2.fixed @@ -239,3 +239,20 @@ fn main() { _ => false, }; } + +// issue #8919, fixed on https://github.com/rust-lang/rust/pull/97312 +mod with_lifetime { + enum MaybeStaticStr<'a> { + Static(&'static str), + Borrowed(&'a str), + } + + impl<'a> MaybeStaticStr<'a> { + fn get(&self) -> &'a str { + match *self { + MaybeStaticStr::Borrowed(s) | MaybeStaticStr::Static(s) => s, + //~^ ERROR: this match arm has an identical body to another arm + } + } + } +} diff --git a/tests/ui/match_same_arms2.rs b/tests/ui/match_same_arms2.rs index 8a4e3b325bbf..cc7425135cc4 100644 --- a/tests/ui/match_same_arms2.rs +++ b/tests/ui/match_same_arms2.rs @@ -262,3 +262,21 @@ fn main() { _ => false, }; } + +// issue #8919, fixed on https://github.com/rust-lang/rust/pull/97312 +mod with_lifetime { + enum MaybeStaticStr<'a> { + Static(&'static str), + Borrowed(&'a str), + } + + impl<'a> MaybeStaticStr<'a> { + fn get(&self) -> &'a str { + match *self { + MaybeStaticStr::Static(s) => s, + MaybeStaticStr::Borrowed(s) => s, + //~^ ERROR: this match arm has an identical body to another arm + } + } + } +} diff --git a/tests/ui/match_same_arms2.stderr b/tests/ui/match_same_arms2.stderr index 3d15176ccf99..a5d137c658b7 100644 --- a/tests/ui/match_same_arms2.stderr +++ b/tests/ui/match_same_arms2.stderr @@ -221,5 +221,21 @@ help: and remove this obsolete arm LL - 0 => cfg!(not_enable), | -error: aborting due to 13 previous errors +error: this match arm has an identical body to another arm + --> tests/ui/match_same_arms2.rs:277:17 + | +LL | MaybeStaticStr::Borrowed(s) => s, + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: try changing either arm body +help: or try merging the arm patterns + | +LL | MaybeStaticStr::Borrowed(s) | MaybeStaticStr::Static(s) => s, + | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +help: and remove this obsolete arm + | +LL - MaybeStaticStr::Static(s) => s, + | + +error: aborting due to 14 previous errors From 6aab04e9b7d89af51eb96fcc35d7b3dab96f940a Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Fri, 7 Jun 2024 18:10:31 +0200 Subject: [PATCH 1169/1716] run fmt --- src/librustdoc/doctest/make.rs | 34 ++++++++++++++++------------------ 1 file changed, 16 insertions(+), 18 deletions(-) diff --git a/src/librustdoc/doctest/make.rs b/src/librustdoc/doctest/make.rs index 90efcbdd8b1b..599611407ed8 100644 --- a/src/librustdoc/doctest/make.rs +++ b/src/librustdoc/doctest/make.rs @@ -174,14 +174,13 @@ fn check_for_main_and_extern_crate( let mut found_extern_crate = crate_name.is_none(); let mut found_macro = false; - let mut parser = - match new_parser_from_source_str(&psess, filename, source.clone()) { - Ok(p) => p, - Err(errs) => { - errs.into_iter().for_each(|err| err.cancel()); - return (found_main, found_extern_crate, found_macro); - } - }; + let mut parser = match new_parser_from_source_str(&psess, filename, source.clone()) { + Ok(p) => p, + Err(errs) => { + errs.into_iter().for_each(|err| err.cancel()); + return (found_main, found_extern_crate, found_macro); + } + }; loop { match parser.parse_item(ForceCollect::No) { @@ -280,16 +279,15 @@ fn check_if_attr_is_complete(source: &str, edition: Edition) -> bool { let dcx = DiagCtxt::new(Box::new(emitter)).disable_warnings(); let psess = ParseSess::with_dcx(dcx, sm); - let mut parser = - match new_parser_from_source_str(&psess, filename, source.to_owned()) { - Ok(p) => p, - Err(errs) => { - errs.into_iter().for_each(|err| err.cancel()); - // If there is an unclosed delimiter, an error will be returned by the - // tokentrees. - return false; - } - }; + let mut parser = match new_parser_from_source_str(&psess, filename, source.to_owned()) { + Ok(p) => p, + Err(errs) => { + errs.into_iter().for_each(|err| err.cancel()); + // If there is an unclosed delimiter, an error will be returned by the + // tokentrees. + return false; + } + }; // If a parsing error happened, it's very likely that the attribute is incomplete. if let Err(e) = parser.parse_attribute(InnerAttrPolicy::Permitted) { e.cancel(); From 9aa96b462348905977ee683114f3dbe235fc7c17 Mon Sep 17 00:00:00 2001 From: Tshepang Mbambo Date: Fri, 7 Jun 2024 19:41:37 +0200 Subject: [PATCH 1170/1716] config.example.toml: minor improves --- config.example.toml | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/config.example.toml b/config.example.toml index 61655dad6385..fb45493ec4a1 100644 --- a/config.example.toml +++ b/config.example.toml @@ -389,8 +389,8 @@ # a Nix toolchain on non-NixOS distributions. #patch-binaries-for-nix = false -# Collect information and statistics about the current build and writes it to -# disk. Enabling this or not has no impact on the resulting build output. The +# Collect information and statistics about the current build, and write it to +# disk. Enabling this has no impact on the resulting build output. The # schema of the file generated by the build metrics feature is unstable, and # this is not intended to be used during local development. #metrics = false From 1f125a67163115c03e58c4da2b6f9dae68a52c4a Mon Sep 17 00:00:00 2001 From: Stefan Lankes Date: Fri, 7 Jun 2024 20:20:51 +0200 Subject: [PATCH 1171/1716] add HermitOS support of vectored read/write operations In general, the I/O interface of hermit-abi is more POSIX-like interface. Consequently, platform abstraction layer for HermitOS has slightly adjusted and some inaccuracies remove. --- Cargo.lock | 10 ++- library/std/Cargo.toml | 2 +- library/std/src/sys/pal/hermit/fd.rs | 39 ++++++++++- library/std/src/sys/pal/hermit/fs.rs | 45 ++++++------- library/std/src/sys/pal/hermit/futex.rs | 2 +- library/std/src/sys/pal/hermit/io.rs | 82 ++++++++++++++++++++++++ library/std/src/sys/pal/hermit/mod.rs | 1 - library/std/src/sys/pal/hermit/net.rs | 13 ++-- library/std/src/sys/pal/hermit/os.rs | 2 +- library/std/src/sys/pal/hermit/stdio.rs | 67 +++++++------------ library/std/src/sys/pal/hermit/thread.rs | 2 +- library/std/src/sys/pal/hermit/time.rs | 18 +++--- 12 files changed, 189 insertions(+), 94 deletions(-) create mode 100644 library/std/src/sys/pal/hermit/io.rs diff --git a/Cargo.lock b/Cargo.lock index 54b1bf593e0a..762648e862e3 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -1694,6 +1694,12 @@ name = "hermit-abi" version = "0.3.9" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "d231dfb89cfffdbc30e7fc41579ed6066ad03abda9e567ccafae602b97ec5024" + +[[package]] +name = "hermit-abi" +version = "0.4.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "fbf6a919d6cf397374f7dfeeea91d974c7c0a7221d0d0f4f20d859d329e53fcc" dependencies = [ "compiler_builtins", "rustc-std-workspace-alloc", @@ -2636,7 +2642,7 @@ version = "1.16.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "4161fcb6d602d4d2081af7c3a45852d875a03dd337a6bfdd6e06407b61342a43" dependencies = [ - "hermit-abi", + "hermit-abi 0.3.9", "libc", ] @@ -5363,7 +5369,7 @@ dependencies = [ "dlmalloc", "fortanix-sgx-abi", "hashbrown", - "hermit-abi", + "hermit-abi 0.4.0", "libc", "miniz_oxide", "object 0.36.0", diff --git a/library/std/Cargo.toml b/library/std/Cargo.toml index 68bba5c2be11..32479cd2836f 100644 --- a/library/std/Cargo.toml +++ b/library/std/Cargo.toml @@ -50,7 +50,7 @@ dlmalloc = { version = "0.2.4", features = ['rustc-dep-of-std'] } fortanix-sgx-abi = { version = "0.5.0", features = ['rustc-dep-of-std'], public = true } [target.'cfg(target_os = "hermit")'.dependencies] -hermit-abi = { version = "0.3.9", features = ['rustc-dep-of-std'], public = true } +hermit-abi = { version = "0.4.0", features = ['rustc-dep-of-std'], public = true } [target.'cfg(target_os = "wasi")'.dependencies] wasi = { version = "0.11.0", features = ['rustc-dep-of-std'], default-features = false } diff --git a/library/std/src/sys/pal/hermit/fd.rs b/library/std/src/sys/pal/hermit/fd.rs index d7dab08cfbd5..3c52b85de23a 100644 --- a/library/std/src/sys/pal/hermit/fd.rs +++ b/library/std/src/sys/pal/hermit/fd.rs @@ -1,7 +1,8 @@ #![unstable(reason = "not public", issue = "none", feature = "fd")] use super::hermit_abi; -use crate::io::{self, Read}; +use crate::cmp; +use crate::io::{self, IoSlice, IoSliceMut, Read}; use crate::os::hermit::io::{FromRawFd, OwnedFd, RawFd}; use crate::sys::cvt; use crate::sys::unsupported; @@ -9,6 +10,10 @@ use crate::sys_common::{AsInner, FromInner, IntoInner}; use crate::os::hermit::io::*; +const fn max_iov() -> usize { + hermit_abi::IOV_MAX +} + #[derive(Debug)] pub struct FileDesc { fd: OwnedFd, @@ -21,6 +26,22 @@ impl FileDesc { Ok(result as usize) } + pub fn read_vectored(&self, bufs: &mut [IoSliceMut<'_>]) -> io::Result { + let ret = cvt(unsafe { + hermit_abi::readv( + self.as_raw_fd(), + bufs.as_mut_ptr() as *mut hermit_abi::iovec as *const hermit_abi::iovec, + cmp::min(bufs.len(), max_iov()), + ) + })?; + Ok(ret as usize) + } + + #[inline] + pub fn is_read_vectored(&self) -> bool { + true + } + pub fn read_to_end(&self, buf: &mut Vec) -> io::Result { let mut me = self; (&mut me).read_to_end(buf) @@ -32,6 +53,22 @@ impl FileDesc { Ok(result as usize) } + pub fn write_vectored(&self, bufs: &[IoSlice<'_>]) -> io::Result { + let ret = cvt(unsafe { + hermit_abi::writev( + self.as_raw_fd(), + bufs.as_ptr() as *const hermit_abi::iovec, + cmp::min(bufs.len(), max_iov()), + ) + })?; + Ok(ret as usize) + } + + #[inline] + pub fn is_write_vectored(&self) -> bool { + true + } + pub fn duplicate(&self) -> io::Result { self.duplicate_path(&[]) } diff --git a/library/std/src/sys/pal/hermit/fs.rs b/library/std/src/sys/pal/hermit/fs.rs index a4a16e6e86b0..a98a1006ef47 100644 --- a/library/std/src/sys/pal/hermit/fs.rs +++ b/library/std/src/sys/pal/hermit/fs.rs @@ -1,7 +1,7 @@ use super::fd::FileDesc; use super::hermit_abi::{ self, dirent64, stat as stat_struct, DT_DIR, DT_LNK, DT_REG, DT_UNKNOWN, O_APPEND, O_CREAT, - O_EXCL, O_RDONLY, O_RDWR, O_TRUNC, O_WRONLY, S_IFDIR, S_IFLNK, S_IFMT, S_IFREG, + O_DIRECTORY, O_EXCL, O_RDONLY, O_RDWR, O_TRUNC, O_WRONLY, S_IFDIR, S_IFLNK, S_IFMT, S_IFREG, }; use crate::ffi::{CStr, OsStr, OsString}; use crate::fmt; @@ -62,7 +62,7 @@ pub struct DirEntry { /// 64-bit inode number ino: u64, /// File type - type_: u32, + type_: u8, /// name of the entry name: OsString, } @@ -90,7 +90,7 @@ pub struct FilePermissions { #[derive(Copy, Clone, Eq, Debug)] pub struct FileType { - mode: u32, + mode: u8, } impl PartialEq for FileType { @@ -112,31 +112,23 @@ pub struct DirBuilder { impl FileAttr { pub fn modified(&self) -> io::Result { - Ok(SystemTime::new( - self.stat_val.st_mtime.try_into().unwrap(), - self.stat_val.st_mtime_nsec.try_into().unwrap(), - )) + Ok(SystemTime::new(self.stat_val.st_mtim.tv_sec, self.stat_val.st_mtim.tv_nsec)) } pub fn accessed(&self) -> io::Result { - Ok(SystemTime::new( - self.stat_val.st_atime.try_into().unwrap(), - self.stat_val.st_atime_nsec.try_into().unwrap(), - )) + Ok(SystemTime::new(self.stat_val.st_atim.tv_sec, self.stat_val.st_atim.tv_nsec)) } pub fn created(&self) -> io::Result { - Ok(SystemTime::new( - self.stat_val.st_ctime.try_into().unwrap(), - self.stat_val.st_ctime_nsec.try_into().unwrap(), - )) + Ok(SystemTime::new(self.stat_val.st_ctim.tv_sec, self.stat_val.st_ctim.tv_nsec)) } pub fn size(&self) -> u64 { self.stat_val.st_size as u64 } + pub fn perm(&self) -> FilePermissions { - FilePermissions { mode: (self.stat_val.st_mode) } + FilePermissions { mode: self.stat_val.st_mode } } pub fn file_type(&self) -> FileType { @@ -220,7 +212,7 @@ impl Iterator for ReadDir { let entry = DirEntry { root: self.inner.root.clone(), ino: dir.d_ino, - type_: dir.d_type as u32, + type_: dir.d_type, name: OsString::from_vec(name_bytes.to_vec()), }; @@ -251,7 +243,7 @@ impl DirEntry { } pub fn file_type(&self) -> io::Result { - Ok(FileType { mode: self.type_ as u32 }) + Ok(FileType { mode: self.type_ }) } #[allow(dead_code)] @@ -385,12 +377,12 @@ impl File { } pub fn read_vectored(&self, bufs: &mut [IoSliceMut<'_>]) -> io::Result { - crate::io::default_read_vectored(|buf| self.read(buf), bufs) + self.0.read_vectored(bufs) } #[inline] pub fn is_read_vectored(&self) -> bool { - false + self.0.is_read_vectored() } pub fn read_buf(&self, cursor: BorrowedCursor<'_>) -> io::Result<()> { @@ -402,12 +394,12 @@ impl File { } pub fn write_vectored(&self, bufs: &[IoSlice<'_>]) -> io::Result { - crate::io::default_write_vectored(|buf| self.write(buf), bufs) + self.0.write_vectored(bufs) } #[inline] pub fn is_write_vectored(&self) -> bool { - false + self.0.is_write_vectored() } #[inline] @@ -439,13 +431,13 @@ impl DirBuilder { pub fn mkdir(&self, path: &Path) -> io::Result<()> { run_path_with_cstr(path, &|path| { - cvt(unsafe { hermit_abi::mkdir(path.as_ptr(), self.mode) }).map(|_| ()) + cvt(unsafe { hermit_abi::mkdir(path.as_ptr(), self.mode.into()) }).map(|_| ()) }) } #[allow(dead_code)] pub fn set_mode(&mut self, mode: u32) { - self.mode = mode as u32; + self.mode = mode; } } @@ -501,8 +493,9 @@ impl FromRawFd for File { } pub fn readdir(path: &Path) -> io::Result { - let fd_raw = - run_path_with_cstr(path, &|path| cvt(unsafe { hermit_abi::opendir(path.as_ptr()) }))?; + let fd_raw = run_path_with_cstr(path, &|path| { + cvt(unsafe { hermit_abi::open(path.as_ptr(), O_RDONLY | O_DIRECTORY, 0) }) + })?; let fd = unsafe { FileDesc::from_raw_fd(fd_raw as i32) }; let root = path.to_path_buf(); diff --git a/library/std/src/sys/pal/hermit/futex.rs b/library/std/src/sys/pal/hermit/futex.rs index 571b28856587..b2d74d1311bc 100644 --- a/library/std/src/sys/pal/hermit/futex.rs +++ b/library/std/src/sys/pal/hermit/futex.rs @@ -10,7 +10,7 @@ pub fn futex_wait(futex: &AtomicU32, expected: u32, timeout: Option) - let timespec = timeout.and_then(|dur| { Some(hermit_abi::timespec { tv_sec: dur.as_secs().try_into().ok()?, - tv_nsec: dur.subsec_nanos().into(), + tv_nsec: dur.subsec_nanos().try_into().ok()?, }) }); diff --git a/library/std/src/sys/pal/hermit/io.rs b/library/std/src/sys/pal/hermit/io.rs new file mode 100644 index 000000000000..9de7b53e53c0 --- /dev/null +++ b/library/std/src/sys/pal/hermit/io.rs @@ -0,0 +1,82 @@ +use crate::marker::PhantomData; +use crate::os::hermit::io::{AsFd, AsRawFd}; +use crate::slice; + +use hermit_abi::{c_void, iovec}; + +#[derive(Copy, Clone)] +#[repr(transparent)] +pub struct IoSlice<'a> { + vec: iovec, + _p: PhantomData<&'a [u8]>, +} + +impl<'a> IoSlice<'a> { + #[inline] + pub fn new(buf: &'a [u8]) -> IoSlice<'a> { + IoSlice { + vec: iovec { iov_base: buf.as_ptr() as *mut u8 as *mut c_void, iov_len: buf.len() }, + _p: PhantomData, + } + } + + #[inline] + pub fn advance(&mut self, n: usize) { + if self.vec.iov_len < n { + panic!("advancing IoSlice beyond its length"); + } + + unsafe { + self.vec.iov_len -= n; + self.vec.iov_base = self.vec.iov_base.add(n); + } + } + + #[inline] + pub fn as_slice(&self) -> &[u8] { + unsafe { slice::from_raw_parts(self.vec.iov_base as *mut u8, self.vec.iov_len) } + } +} + +#[repr(transparent)] +pub struct IoSliceMut<'a> { + vec: iovec, + _p: PhantomData<&'a mut [u8]>, +} + +impl<'a> IoSliceMut<'a> { + #[inline] + pub fn new(buf: &'a mut [u8]) -> IoSliceMut<'a> { + IoSliceMut { + vec: iovec { iov_base: buf.as_mut_ptr() as *mut c_void, iov_len: buf.len() }, + _p: PhantomData, + } + } + + #[inline] + pub fn advance(&mut self, n: usize) { + if self.vec.iov_len < n { + panic!("advancing IoSliceMut beyond its length"); + } + + unsafe { + self.vec.iov_len -= n; + self.vec.iov_base = self.vec.iov_base.add(n); + } + } + + #[inline] + pub fn as_slice(&self) -> &[u8] { + unsafe { slice::from_raw_parts(self.vec.iov_base as *mut u8, self.vec.iov_len) } + } + + #[inline] + pub fn as_mut_slice(&mut self) -> &mut [u8] { + unsafe { slice::from_raw_parts_mut(self.vec.iov_base as *mut u8, self.vec.iov_len) } + } +} + +pub fn is_terminal(fd: &impl AsFd) -> bool { + let fd = fd.as_fd(); + hermit_abi::isatty(fd.as_raw_fd()) +} diff --git a/library/std/src/sys/pal/hermit/mod.rs b/library/std/src/sys/pal/hermit/mod.rs index a64323a3a296..eca7351d54c8 100644 --- a/library/std/src/sys/pal/hermit/mod.rs +++ b/library/std/src/sys/pal/hermit/mod.rs @@ -23,7 +23,6 @@ pub mod env; pub mod fd; pub mod fs; pub mod futex; -#[path = "../unsupported/io.rs"] pub mod io; pub mod net; pub mod os; diff --git a/library/std/src/sys/pal/hermit/net.rs b/library/std/src/sys/pal/hermit/net.rs index 00dbca86a4ba..6016d50eba08 100644 --- a/library/std/src/sys/pal/hermit/net.rs +++ b/library/std/src/sys/pal/hermit/net.rs @@ -175,12 +175,12 @@ impl Socket { } pub fn read_vectored(&self, bufs: &mut [IoSliceMut<'_>]) -> io::Result { - crate::io::default_read_vectored(|b| self.read(b), bufs) + self.0.read_vectored(bufs) } #[inline] pub fn is_read_vectored(&self) -> bool { - false + self.0.is_read_vectored() } fn recv_from_with_flags(&self, buf: &mut [u8], flags: i32) -> io::Result<(usize, SocketAddr)> { @@ -209,16 +209,15 @@ impl Socket { } pub fn write(&self, buf: &[u8]) -> io::Result { - let sz = cvt(unsafe { netc::write(self.0.as_raw_fd(), buf.as_ptr(), buf.len()) })?; - Ok(sz.try_into().unwrap()) + self.0.write(buf) } pub fn write_vectored(&self, bufs: &[IoSlice<'_>]) -> io::Result { - crate::io::default_write_vectored(|b| self.write(b), bufs) + self.0.write_vectored(bufs) } pub fn is_write_vectored(&self) -> bool { - false + self.0.is_write_vectored() } pub fn set_timeout(&self, dur: Option, kind: i32) -> io::Result<()> { @@ -265,7 +264,7 @@ impl Socket { Shutdown::Read => netc::SHUT_RD, Shutdown::Both => netc::SHUT_RDWR, }; - cvt(unsafe { netc::shutdown_socket(self.as_raw_fd(), how) })?; + cvt(unsafe { netc::shutdown(self.as_raw_fd(), how) })?; Ok(()) } diff --git a/library/std/src/sys/pal/hermit/os.rs b/library/std/src/sys/pal/hermit/os.rs index 91247d30462f..a7a73c756f21 100644 --- a/library/std/src/sys/pal/hermit/os.rs +++ b/library/std/src/sys/pal/hermit/os.rs @@ -198,5 +198,5 @@ pub fn exit(code: i32) -> ! { } pub fn getpid() -> u32 { - unsafe { hermit_abi::getpid() } + unsafe { hermit_abi::getpid() as u32 } } diff --git a/library/std/src/sys/pal/hermit/stdio.rs b/library/std/src/sys/pal/hermit/stdio.rs index 777c57b391c8..3ea00f5cc5ec 100644 --- a/library/std/src/sys/pal/hermit/stdio.rs +++ b/library/std/src/sys/pal/hermit/stdio.rs @@ -1,6 +1,9 @@ use super::hermit_abi; use crate::io; use crate::io::{IoSlice, IoSliceMut}; +use crate::mem::ManuallyDrop; +use crate::os::hermit::io::FromRawFd; +use crate::sys::fd::FileDesc; pub struct Stdin; pub struct Stdout; @@ -13,12 +16,14 @@ impl Stdin { } impl io::Read for Stdin { - fn read(&mut self, data: &mut [u8]) -> io::Result { - self.read_vectored(&mut [IoSliceMut::new(data)]) + fn read(&mut self, buf: &mut [u8]) -> io::Result { + unsafe { ManuallyDrop::new(FileDesc::from_raw_fd(hermit_abi::STDIN_FILENO)).read(buf) } } - fn read_vectored(&mut self, _data: &mut [IoSliceMut<'_>]) -> io::Result { - Ok(0) + fn read_vectored(&mut self, bufs: &mut [IoSliceMut<'_>]) -> io::Result { + unsafe { + ManuallyDrop::new(FileDesc::from_raw_fd(hermit_abi::STDIN_FILENO)).read_vectored(bufs) + } } #[inline] @@ -34,27 +39,13 @@ impl Stdout { } impl io::Write for Stdout { - fn write(&mut self, data: &[u8]) -> io::Result { - let len; - - unsafe { len = hermit_abi::write(1, data.as_ptr() as *const u8, data.len()) } - - if len < 0 { - Err(io::const_io_error!(io::ErrorKind::Uncategorized, "Stdout is not able to print")) - } else { - Ok(len as usize) - } + fn write(&mut self, buf: &[u8]) -> io::Result { + unsafe { ManuallyDrop::new(FileDesc::from_raw_fd(hermit_abi::STDOUT_FILENO)).write(buf) } } - fn write_vectored(&mut self, data: &[IoSlice<'_>]) -> io::Result { - let len; - - unsafe { len = hermit_abi::write(1, data.as_ptr() as *const u8, data.len()) } - - if len < 0 { - Err(io::const_io_error!(io::ErrorKind::Uncategorized, "Stdout is not able to print")) - } else { - Ok(len as usize) + fn write_vectored(&mut self, bufs: &[IoSlice<'_>]) -> io::Result { + unsafe { + ManuallyDrop::new(FileDesc::from_raw_fd(hermit_abi::STDOUT_FILENO)).write_vectored(bufs) } } @@ -75,27 +66,13 @@ impl Stderr { } impl io::Write for Stderr { - fn write(&mut self, data: &[u8]) -> io::Result { - let len; - - unsafe { len = hermit_abi::write(2, data.as_ptr() as *const u8, data.len()) } - - if len < 0 { - Err(io::const_io_error!(io::ErrorKind::Uncategorized, "Stderr is not able to print")) - } else { - Ok(len as usize) - } + fn write(&mut self, buf: &[u8]) -> io::Result { + unsafe { ManuallyDrop::new(FileDesc::from_raw_fd(hermit_abi::STDERR_FILENO)).write(buf) } } - fn write_vectored(&mut self, data: &[IoSlice<'_>]) -> io::Result { - let len; - - unsafe { len = hermit_abi::write(2, data.as_ptr() as *const u8, data.len()) } - - if len < 0 { - Err(io::const_io_error!(io::ErrorKind::Uncategorized, "Stderr is not able to print")) - } else { - Ok(len as usize) + fn write_vectored(&mut self, bufs: &[IoSlice<'_>]) -> io::Result { + unsafe { + ManuallyDrop::new(FileDesc::from_raw_fd(hermit_abi::STDERR_FILENO)).write_vectored(bufs) } } @@ -109,10 +86,10 @@ impl io::Write for Stderr { } } -pub const STDIN_BUF_SIZE: usize = 0; +pub const STDIN_BUF_SIZE: usize = 128; -pub fn is_ebadf(_err: &io::Error) -> bool { - true +pub fn is_ebadf(err: &io::Error) -> bool { + err.raw_os_error() == Some(hermit_abi::EBADF) } pub fn panic_output() -> Option { diff --git a/library/std/src/sys/pal/hermit/thread.rs b/library/std/src/sys/pal/hermit/thread.rs index b336dcd6860e..07a843a597ea 100644 --- a/library/std/src/sys/pal/hermit/thread.rs +++ b/library/std/src/sys/pal/hermit/thread.rs @@ -98,5 +98,5 @@ impl Thread { } pub fn available_parallelism() -> io::Result> { - unsafe { Ok(NonZero::new_unchecked(hermit_abi::get_processor_count())) } + unsafe { Ok(NonZero::new_unchecked(hermit_abi::available_parallelism())) } } diff --git a/library/std/src/sys/pal/hermit/time.rs b/library/std/src/sys/pal/hermit/time.rs index 2bf24462fa82..e0cb7c2aa98a 100644 --- a/library/std/src/sys/pal/hermit/time.rs +++ b/library/std/src/sys/pal/hermit/time.rs @@ -1,11 +1,13 @@ #![allow(dead_code)] -use super::hermit_abi::{self, timespec, CLOCK_MONOTONIC, CLOCK_REALTIME, NSEC_PER_SEC}; +use super::hermit_abi::{self, timespec, CLOCK_MONOTONIC, CLOCK_REALTIME}; use crate::cmp::Ordering; use crate::ops::{Add, AddAssign, Sub, SubAssign}; use crate::time::Duration; use core::hash::{Hash, Hasher}; +const NSEC_PER_SEC: i32 = 1_000_000_000; + #[derive(Copy, Clone, Debug)] struct Timespec { t: timespec, @@ -16,8 +18,8 @@ impl Timespec { Timespec { t: timespec { tv_sec: 0, tv_nsec: 0 } } } - const fn new(tv_sec: i64, tv_nsec: i64) -> Timespec { - assert!(tv_nsec >= 0 && tv_nsec < NSEC_PER_SEC as i64); + const fn new(tv_sec: i64, tv_nsec: i32) -> Timespec { + assert!(tv_nsec >= 0 && tv_nsec < NSEC_PER_SEC); // SAFETY: The assert above checks tv_nsec is within the valid range Timespec { t: timespec { tv_sec: tv_sec, tv_nsec: tv_nsec } } } @@ -32,7 +34,7 @@ impl Timespec { } else { Duration::new( (self.t.tv_sec - 1 - other.t.tv_sec) as u64, - self.t.tv_nsec as u32 + (NSEC_PER_SEC as u32) - other.t.tv_nsec as u32, + (self.t.tv_nsec + NSEC_PER_SEC - other.t.tv_nsec) as u32, ) }) } else { @@ -48,9 +50,9 @@ impl Timespec { // Nano calculations can't overflow because nanos are <1B which fit // in a u32. - let mut nsec = other.subsec_nanos() + self.t.tv_nsec as u32; - if nsec >= NSEC_PER_SEC as u32 { - nsec -= NSEC_PER_SEC as u32; + let mut nsec = other.subsec_nanos() + u32::try_from(self.t.tv_nsec).unwrap(); + if nsec >= NSEC_PER_SEC.try_into().unwrap() { + nsec -= u32::try_from(NSEC_PER_SEC).unwrap(); secs = secs.checked_add(1)?; } Some(Timespec { t: timespec { tv_sec: secs, tv_nsec: nsec as _ } }) @@ -200,7 +202,7 @@ pub struct SystemTime(Timespec); pub const UNIX_EPOCH: SystemTime = SystemTime(Timespec::zero()); impl SystemTime { - pub fn new(tv_sec: i64, tv_nsec: i64) -> SystemTime { + pub fn new(tv_sec: i64, tv_nsec: i32) -> SystemTime { SystemTime(Timespec::new(tv_sec, tv_nsec)) } From 6fdf295664acc28ebb018e1d7b97b9e9e1e8f0ea Mon Sep 17 00:00:00 2001 From: y21 <30553356+y21@users.noreply.github.com> Date: Tue, 16 Apr 2024 20:25:35 +0200 Subject: [PATCH 1172/1716] let `qualify_min_const_fn` deal with drop checks --- clippy_lints/src/missing_const_for_fn.rs | 15 +-------------- .../ui/missing_const_for_fn/could_be_const.rs | 18 ++++++++++++++++++ .../missing_const_for_fn/could_be_const.stderr | 18 +++++++++++++++++- 3 files changed, 36 insertions(+), 15 deletions(-) diff --git a/clippy_lints/src/missing_const_for_fn.rs b/clippy_lints/src/missing_const_for_fn.rs index 9ba19e0a8658..fe636f27a0f0 100644 --- a/clippy_lints/src/missing_const_for_fn.rs +++ b/clippy_lints/src/missing_const_for_fn.rs @@ -1,7 +1,6 @@ use clippy_config::msrvs::{self, Msrv}; use clippy_utils::diagnostics::span_lint; use clippy_utils::qualify_min_const_fn::is_min_const_fn; -use clippy_utils::ty::has_drop; use clippy_utils::{fn_has_unsatisfiable_preds, is_entrypoint_fn, is_from_proc_macro, trait_ref_of_method}; use rustc_hir as hir; use rustc_hir::def_id::CRATE_DEF_ID; @@ -121,10 +120,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingConstForFn { } }, FnKind::Method(_, sig, ..) => { - if trait_ref_of_method(cx, def_id).is_some() - || already_const(sig.header) - || method_accepts_droppable(cx, def_id) - { + if trait_ref_of_method(cx, def_id).is_some() || already_const(sig.header) { return; } }, @@ -162,15 +158,6 @@ impl<'tcx> LateLintPass<'tcx> for MissingConstForFn { extract_msrv_attr!(LateContext); } -/// Returns true if any of the method parameters is a type that implements `Drop`. The method -/// can't be made const then, because `drop` can't be const-evaluated. -fn method_accepts_droppable(cx: &LateContext<'_>, def_id: LocalDefId) -> bool { - let sig = cx.tcx.fn_sig(def_id).instantiate_identity().skip_binder(); - - // If any of the params are droppable, return true - sig.inputs().iter().any(|&ty| has_drop(cx, ty)) -} - // We don't have to lint on something that's already `const` #[must_use] fn already_const(header: hir::FnHeader) -> bool { diff --git a/tests/ui/missing_const_for_fn/could_be_const.rs b/tests/ui/missing_const_for_fn/could_be_const.rs index 06dbbeb31c0d..8e0ede478b56 100644 --- a/tests/ui/missing_const_for_fn/could_be_const.rs +++ b/tests/ui/missing_const_for_fn/could_be_const.rs @@ -141,3 +141,21 @@ mod msrv { let _ = unsafe { bar.val }; } } + +mod issue12677 { + pub struct Wrapper { + pub strings: Vec, + } + + impl Wrapper { + #[must_use] + pub fn new(strings: Vec) -> Self { + Self { strings } + } + + #[must_use] + pub fn empty() -> Self { + Self { strings: Vec::new() } + } + } +} diff --git a/tests/ui/missing_const_for_fn/could_be_const.stderr b/tests/ui/missing_const_for_fn/could_be_const.stderr index b2cade305637..84ad6357b7bc 100644 --- a/tests/ui/missing_const_for_fn/could_be_const.stderr +++ b/tests/ui/missing_const_for_fn/could_be_const.stderr @@ -130,5 +130,21 @@ LL | | let _ = unsafe { bar.val }; LL | | } | |_____^ -error: aborting due to 14 previous errors +error: this could be a `const fn` + --> tests/ui/missing_const_for_fn/could_be_const.rs:152:9 + | +LL | / pub fn new(strings: Vec) -> Self { +LL | | Self { strings } +LL | | } + | |_________^ + +error: this could be a `const fn` + --> tests/ui/missing_const_for_fn/could_be_const.rs:157:9 + | +LL | / pub fn empty() -> Self { +LL | | Self { strings: Vec::new() } +LL | | } + | |_________^ + +error: aborting due to 16 previous errors From 973f318514cec40bd388f9e6f1acacc9e2bed436 Mon Sep 17 00:00:00 2001 From: y21 <30553356+y21@users.noreply.github.com> Date: Tue, 16 Apr 2024 21:27:34 +0200 Subject: [PATCH 1173/1716] qualify_min_const_fn: ignore cleanup bbs --- clippy_utils/src/qualify_min_const_fn.rs | 10 +++++++--- tests/ui/missing_const_for_fn/could_be_const.rs | 12 ++++++++++++ tests/ui/missing_const_for_fn/could_be_const.stderr | 11 ++++++++++- 3 files changed, 29 insertions(+), 4 deletions(-) diff --git a/clippy_utils/src/qualify_min_const_fn.rs b/clippy_utils/src/qualify_min_const_fn.rs index 81e94725a70c..42b10f69c0cd 100644 --- a/clippy_utils/src/qualify_min_const_fn.rs +++ b/clippy_utils/src/qualify_min_const_fn.rs @@ -40,9 +40,13 @@ pub fn is_min_const_fn<'tcx>(tcx: TyCtxt<'tcx>, body: &Body<'tcx>, msrv: &Msrv) )?; for bb in &*body.basic_blocks { - check_terminator(tcx, body, bb.terminator(), msrv)?; - for stmt in &bb.statements { - check_statement(tcx, body, def_id, stmt, msrv)?; + // Cleanup blocks are ignored entirely by const eval, so we can too: + // https://github.com/rust-lang/rust/blob/1dea922ea6e74f99a0e97de5cdb8174e4dea0444/compiler/rustc_const_eval/src/transform/check_consts/check.rs#L382 + if !bb.is_cleanup { + check_terminator(tcx, body, bb.terminator(), msrv)?; + for stmt in &bb.statements { + check_statement(tcx, body, def_id, stmt, msrv)?; + } } } Ok(()) diff --git a/tests/ui/missing_const_for_fn/could_be_const.rs b/tests/ui/missing_const_for_fn/could_be_const.rs index 8e0ede478b56..58e639cc7fd1 100644 --- a/tests/ui/missing_const_for_fn/could_be_const.rs +++ b/tests/ui/missing_const_for_fn/could_be_const.rs @@ -158,4 +158,16 @@ mod issue12677 { Self { strings: Vec::new() } } } + + pub struct Other { + pub text: String, + pub vec: Vec, + } + + impl Other { + pub fn new(text: String) -> Self { + let vec = Vec::new(); + Self { text, vec } + } + } } diff --git a/tests/ui/missing_const_for_fn/could_be_const.stderr b/tests/ui/missing_const_for_fn/could_be_const.stderr index 84ad6357b7bc..1c61c3e87132 100644 --- a/tests/ui/missing_const_for_fn/could_be_const.stderr +++ b/tests/ui/missing_const_for_fn/could_be_const.stderr @@ -146,5 +146,14 @@ LL | | Self { strings: Vec::new() } LL | | } | |_________^ -error: aborting due to 16 previous errors +error: this could be a `const fn` + --> tests/ui/missing_const_for_fn/could_be_const.rs:168:9 + | +LL | / pub fn new(text: String) -> Self { +LL | | let vec = Vec::new(); +LL | | Self { text, vec } +LL | | } + | |_________^ + +error: aborting due to 17 previous errors From 1653a2d34a7f841f15b0704c7ce07c74dee2bada Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Fri, 7 Jun 2024 14:59:38 -0400 Subject: [PATCH 1174/1716] Failing test --- tests/ui/specialization/anyid-repro-125197.rs | 17 ++++++++++++ .../auxiliary/anyid-repro-125197.rs | 26 +++++++++++++++++++ 2 files changed, 43 insertions(+) create mode 100644 tests/ui/specialization/anyid-repro-125197.rs create mode 100644 tests/ui/specialization/auxiliary/anyid-repro-125197.rs diff --git a/tests/ui/specialization/anyid-repro-125197.rs b/tests/ui/specialization/anyid-repro-125197.rs new file mode 100644 index 000000000000..725b1f1aff44 --- /dev/null +++ b/tests/ui/specialization/anyid-repro-125197.rs @@ -0,0 +1,17 @@ +//@ aux-build: anyid-repro-125197.rs +//@ check-pass + +// Makes sure that we don't check `specializes(impl1, impl2)` for a pair of impls that don't +// actually participate in specialization. Since , +// we don't treat inductive cycles as errors -- so we may need to winnow more pairs of impls, and +// we try to winnow impls in favor of other impls. However, if we're *inside* the `specializes` +// query, then may have a query cycle if we call `specializes` again! + +extern crate anyid_repro_125197; +use anyid_repro_125197::AnyId; + +fn main() { + let x = "hello, world"; + let y: AnyId = x.into(); + let _ = y == x; +} diff --git a/tests/ui/specialization/auxiliary/anyid-repro-125197.rs b/tests/ui/specialization/auxiliary/anyid-repro-125197.rs new file mode 100644 index 000000000000..c2794959740e --- /dev/null +++ b/tests/ui/specialization/auxiliary/anyid-repro-125197.rs @@ -0,0 +1,26 @@ +use std::fmt::Display; +use std::sync::Arc; + +pub struct AnyId(()); + +impl PartialEq for AnyId { + fn eq(&self, _: &Self) -> bool { + todo!() + } +} + +impl PartialEq for AnyId { + fn eq(&self, _: &T) -> bool { + todo!() + } +} + +impl From for AnyId { + fn from(_: T) -> Self { + todo!() + } +} + +pub trait Identifier: Display + 'static {} + +impl Identifier for T where T: PartialEq + Display + 'static {} From f82f0530f36914545820f6307f73ab024fb82441 Mon Sep 17 00:00:00 2001 From: Walter Kalata Date: Fri, 7 Jun 2024 12:18:43 -0700 Subject: [PATCH 1175/1716] Fix typo in docs for std::pin --- library/core/src/pin.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/library/core/src/pin.rs b/library/core/src/pin.rs index d8fc3b7177f3..0d2aa3070a19 100644 --- a/library/core/src/pin.rs +++ b/library/core/src/pin.rs @@ -184,7 +184,7 @@ //! requires at least a level of pointer indirection each time a new object is added to the mix //! (and, practically, a heap allocation). //! -//! Although there were other reason as well, this issue of expensive composition is the key thing +//! Although there were other reasons as well, this issue of expensive composition is the key thing //! that drove Rust towards adopting a different model. It is particularly a problem //! when one considers, for example, the implications of composing together the [`Future`]s which //! will eventually make up an asynchronous task (including address-sensitive `async fn` state From 27d9a46221cb39b5ab491623c78b114e04235518 Mon Sep 17 00:00:00 2001 From: Nilstrieb <48135649+Nilstrieb@users.noreply.github.com> Date: Fri, 7 Jun 2024 21:31:13 +0200 Subject: [PATCH 1176/1716] Fix stage in contributing --- src/tools/miri/CONTRIBUTING.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/tools/miri/CONTRIBUTING.md b/src/tools/miri/CONTRIBUTING.md index 4534e54ad5e9..edb551c15ea1 100644 --- a/src/tools/miri/CONTRIBUTING.md +++ b/src/tools/miri/CONTRIBUTING.md @@ -223,7 +223,7 @@ will eventually sync those changes back into this repository. When working on Miri in the rustc tree, here's how you can run tests: ``` -./x.py test miri --stage 0 +./x.py test miri --stage 1 ``` `--bless` will work, too. @@ -231,7 +231,7 @@ When working on Miri in the rustc tree, here's how you can run tests: You can also directly run Miri on a Rust source file: ``` -./x.py run miri --stage 0 --args src/tools/miri/tests/pass/hello.rs +./x.py run miri --stage 1 --args src/tools/miri/tests/pass/hello.rs ``` ## Advanced topic: Syncing with the rustc repo From 63ba3f3aaf0a8ed67119ba55f48cd5bfa63408d4 Mon Sep 17 00:00:00 2001 From: Tyler Mandry Date: Thu, 6 Jun 2024 14:56:13 -0700 Subject: [PATCH 1177/1716] Add debugging utils and comments to Fuchsia scripts This should help when debugging a failure in the Fuchsia build in CI. --- .../x86_64-gnu-integration/Dockerfile | 3 + .../x86_64-gnu-integration/build-fuchsia.sh | 97 +++++++++++++------ 2 files changed, 70 insertions(+), 30 deletions(-) diff --git a/src/ci/docker/host-x86_64/x86_64-gnu-integration/Dockerfile b/src/ci/docker/host-x86_64/x86_64-gnu-integration/Dockerfile index c8c754914aa6..d228dfc87ebe 100644 --- a/src/ci/docker/host-x86_64/x86_64-gnu-integration/Dockerfile +++ b/src/ci/docker/host-x86_64/x86_64-gnu-integration/Dockerfile @@ -1,3 +1,6 @@ +# This job builds a toolchain capable of building Fuchsia, and then builds +# Fuchsia. See the build-fuchsia.sh script in this directory for more details. + FROM ubuntu:22.04 ARG DEBIAN_FRONTEND=noninteractive diff --git a/src/ci/docker/host-x86_64/x86_64-gnu-integration/build-fuchsia.sh b/src/ci/docker/host-x86_64/x86_64-gnu-integration/build-fuchsia.sh index 9cc508fe9288..913a0b0c09c3 100755 --- a/src/ci/docker/host-x86_64/x86_64-gnu-integration/build-fuchsia.sh +++ b/src/ci/docker/host-x86_64/x86_64-gnu-integration/build-fuchsia.sh @@ -2,50 +2,87 @@ # Downloads and builds the Fuchsia operating system using a toolchain installed # in $RUST_INSTALL_DIR. +# +# You may run this script locally using Docker with the following command: +# +# $ src/ci/docker/run.sh x86_64-gnu-integration +# +# Alternatively, from within the container with --dev, assuming you have made it +# as far as building the toolchain with the above command: +# +# $ src/ci/docker/run.sh --dev x86_64-gnu-integration +# docker# git config --global --add safe.directory /checkout/obj/fuchsia +# docker# ../src/ci/docker/host-x86_64/x86_64-gnu-integration/build-fuchsia.sh +# +# Also see the docs in the rustc-dev-guide for more info: +# https://github.com/rust-lang/rustc-dev-guide/pull/1989 set -euf -o pipefail -INTEGRATION_SHA=1011e3298775ee7cdf6f6dc73e808d6a86e33bd6 +# Set this variable to 1 to disable updating the Fuchsia checkout. This is +# useful for making local changes. You can find the Fuchsia checkout in +# `obj/x86_64-gnu-integration/fuchsia` in your local checkout after running this +# job for the first time. +KEEP_CHECKOUT= + +# Any upstream refs that should be cherry-picked. This can be used to include +# Gerrit changes from https://fxrev.dev during development (click the "Download" +# button on a changelist to see the cherry pick ref). Example: +# PICK_REFS=(refs/changes/71/1054071/2 refs/changes/74/1054574/2) PICK_REFS=() +# The commit hash of Fuchsia's integration.git to check out. This controls the +# commit hash of fuchsia.git and some other repos in the "monorepo" checkout, in +# addition to versions of prebuilts. It should be bumped regularly by the +# Fuchsia team – we aim for every 1-2 months. +INTEGRATION_SHA=1011e3298775ee7cdf6f6dc73e808d6a86e33bd6 + checkout=fuchsia jiri=.jiri_root/bin/jiri set -x -# This script will: -# - create a directory named "fuchsia" if it does not exist -# - download "jiri" to "fuchsia/.jiri_root/bin" -curl -s "https://fuchsia.googlesource.com/jiri/+/HEAD/scripts/bootstrap_jiri?format=TEXT" \ - | base64 --decode \ - | bash -s $checkout +if [ -z "$KEEP_CHECKOUT" ]; then + # This script will: + # - create a directory named "fuchsia" if it does not exist + # - download "jiri" to "fuchsia/.jiri_root/bin" + curl -s "https://fuchsia.googlesource.com/jiri/+/HEAD/scripts/bootstrap_jiri?format=TEXT" \ + | base64 --decode \ + | bash -s $checkout -cd $checkout + cd $checkout -$jiri init \ - -partial=true \ - -analytics-opt=false \ - . + $jiri init \ + -partial=true \ + -analytics-opt=false \ + . -$jiri import \ - -name=integration \ - -revision=$INTEGRATION_SHA \ - -overwrite=true \ - flower \ - "https://fuchsia.googlesource.com/integration" + $jiri import \ + -name=integration \ + -revision=$INTEGRATION_SHA \ + -overwrite=true \ + flower \ + "https://fuchsia.googlesource.com/integration" -if [ -d ".git" ]; then - # Wipe out any local changes if we're reusing a checkout. - git checkout --force JIRI_HEAD + if [ -d ".git" ]; then + # Wipe out any local changes if we're reusing a checkout. + git checkout --force JIRI_HEAD + fi + + $jiri update -autoupdate=false + + echo integration commit = $(git -C integration rev-parse HEAD) + + for git_ref in "${PICK_REFS[@]}"; do + git fetch https://fuchsia.googlesource.com/fuchsia $git_ref + git cherry-pick --no-commit FETCH_HEAD + done +else + echo Reusing existing Fuchsia checkout + cd $checkout fi -$jiri update -autoupdate=false - -echo integration commit = $(git -C integration rev-parse HEAD) - -for git_ref in "${PICK_REFS[@]}"; do - git fetch https://fuchsia.googlesource.com/fuchsia $git_ref - git cherry-pick --no-commit FETCH_HEAD -done - +# Run the script inside the Fuchsia checkout responsible for building Fuchsia. +# You can change arguments to the build by setting KEEP_CHECKOUT=1 above and +# modifying them in build_fuchsia_from_rust_ci.sh. bash scripts/rust/build_fuchsia_from_rust_ci.sh From dce1bbf31977550ba53528d2d4bc3a21ddd564f8 Mon Sep 17 00:00:00 2001 From: Nilstrieb <48135649+Nilstrieb@users.noreply.github.com> Date: Fri, 7 Jun 2024 21:50:59 +0200 Subject: [PATCH 1178/1716] Remove --stage entirely from contributing --- src/tools/miri/CONTRIBUTING.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/miri/CONTRIBUTING.md b/src/tools/miri/CONTRIBUTING.md index edb551c15ea1..9067cbc60326 100644 --- a/src/tools/miri/CONTRIBUTING.md +++ b/src/tools/miri/CONTRIBUTING.md @@ -223,7 +223,7 @@ will eventually sync those changes back into this repository. When working on Miri in the rustc tree, here's how you can run tests: ``` -./x.py test miri --stage 1 +./x.py test miri ``` `--bless` will work, too. From c3d3a3f30164644d64c09812c863415f28604e80 Mon Sep 17 00:00:00 2001 From: y21 <30553356+y21@users.noreply.github.com> Date: Fri, 7 Jun 2024 21:54:33 +0200 Subject: [PATCH 1179/1716] remove unnecessary const error handling in `missing_const_for_fn` --- clippy_lints/src/missing_const_for_fn.rs | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/clippy_lints/src/missing_const_for_fn.rs b/clippy_lints/src/missing_const_for_fn.rs index fe636f27a0f0..4592324809fa 100644 --- a/clippy_lints/src/missing_const_for_fn.rs +++ b/clippy_lints/src/missing_const_for_fn.rs @@ -147,11 +147,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingConstForFn { let mir = cx.tcx.optimized_mir(def_id); - if let Err((span, err)) = is_min_const_fn(cx.tcx, mir, &self.msrv) { - if cx.tcx.is_const_fn_raw(def_id.to_def_id()) { - cx.tcx.dcx().span_err(span, err); - } - } else { + if let Ok(()) = is_min_const_fn(cx.tcx, mir, &self.msrv) { span_lint(cx, MISSING_CONST_FOR_FN, span, "this could be a `const fn`"); } } From 4b188d9d667dfcc7ba4caf95e56cbb3a6697f292 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Fri, 7 Jun 2024 15:58:05 -0400 Subject: [PATCH 1180/1716] Only compute specializes query if specialization is enabled in the crate of the specialized impl --- .../src/rmeta/decoder/cstore_impl.rs | 1 + compiler/rustc_metadata/src/rmeta/encoder.rs | 1 + compiler/rustc_metadata/src/rmeta/mod.rs | 2 + compiler/rustc_middle/src/query/mod.rs | 5 +++ .../rustc_trait_selection/src/traits/mod.rs | 1 + .../src/traits/specialize/mod.rs | 42 ++++++++----------- .../ui/coherence/coherence-impls-copy.stderr | 22 +++++----- tests/ui/specialization/anyid-repro-125197.rs | 2 +- 8 files changed, 39 insertions(+), 37 deletions(-) diff --git a/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs b/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs index afee8d5646c8..1cef35f082b9 100644 --- a/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs +++ b/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs @@ -314,6 +314,7 @@ provide! { tcx, def_id, other, cdata, extern_crate => { cdata.extern_crate.map(|c| &*tcx.arena.alloc(c)) } is_no_builtins => { cdata.root.no_builtins } symbol_mangling_version => { cdata.root.symbol_mangling_version } + specialization_enabled_in => { cdata.root.specialization_enabled_in } reachable_non_generics => { let reachable_non_generics = tcx .exported_symbols(cdata.cnum) diff --git a/compiler/rustc_metadata/src/rmeta/encoder.rs b/compiler/rustc_metadata/src/rmeta/encoder.rs index 67c5bc8c786b..89da0df8575e 100644 --- a/compiler/rustc_metadata/src/rmeta/encoder.rs +++ b/compiler/rustc_metadata/src/rmeta/encoder.rs @@ -741,6 +741,7 @@ impl<'a, 'tcx> EncodeContext<'a, 'tcx> { expn_data, expn_hashes, def_path_hash_map, + specialization_enabled_in: tcx.specialization_enabled_in(LOCAL_CRATE), }) }); diff --git a/compiler/rustc_metadata/src/rmeta/mod.rs b/compiler/rustc_metadata/src/rmeta/mod.rs index c2cf5b6b7125..87900c23d8da 100644 --- a/compiler/rustc_metadata/src/rmeta/mod.rs +++ b/compiler/rustc_metadata/src/rmeta/mod.rs @@ -290,6 +290,8 @@ pub(crate) struct CrateRoot { panic_runtime: bool, profiler_runtime: bool, symbol_mangling_version: SymbolManglingVersion, + + specialization_enabled_in: bool, } /// On-disk representation of `DefId`. diff --git a/compiler/rustc_middle/src/query/mod.rs b/compiler/rustc_middle/src/query/mod.rs index 0af32a6a8578..a8bf735fa5a9 100644 --- a/compiler/rustc_middle/src/query/mod.rs +++ b/compiler/rustc_middle/src/query/mod.rs @@ -1494,6 +1494,11 @@ rustc_queries! { separate_provide_extern } + query specialization_enabled_in(cnum: CrateNum) -> bool { + desc { "checking whether the crate enabled `specialization`/`min_specialization`" } + separate_provide_extern + } + query specializes(_: (DefId, DefId)) -> bool { desc { "computing whether impls specialize one another" } } diff --git a/compiler/rustc_trait_selection/src/traits/mod.rs b/compiler/rustc_trait_selection/src/traits/mod.rs index 7be2c4a85c56..eae2f9d1792f 100644 --- a/compiler/rustc_trait_selection/src/traits/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/mod.rs @@ -623,6 +623,7 @@ pub fn provide(providers: &mut Providers) { *providers = Providers { specialization_graph_of: specialize::specialization_graph_provider, specializes: specialize::specializes, + specialization_enabled_in: specialize::specialization_enabled_in, instantiate_and_check_impossible_predicates, is_impossible_associated_item, ..*providers diff --git a/compiler/rustc_trait_selection/src/traits/specialize/mod.rs b/compiler/rustc_trait_selection/src/traits/specialize/mod.rs index c2727ae6bfd9..c9bb0d330e1f 100644 --- a/compiler/rustc_trait_selection/src/traits/specialize/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/specialize/mod.rs @@ -24,6 +24,7 @@ use rustc_data_structures::fx::FxIndexSet; use rustc_errors::{codes::*, Diag, EmissionGuarantee}; use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_middle::bug; +use rustc_middle::query::LocalCrate; use rustc_middle::ty::{self, ImplSubject, Ty, TyCtxt, TypeVisitableExt}; use rustc_middle::ty::{GenericArgs, GenericArgsRef}; use rustc_session::lint::builtin::COHERENCE_LEAK_CHECK; @@ -136,6 +137,10 @@ pub fn translate_args_with_cause<'tcx>( source_args.rebase_onto(infcx.tcx, source_impl, target_args) } +pub(super) fn specialization_enabled_in(tcx: TyCtxt<'_>, _: LocalCrate) -> bool { + tcx.features().specialization || tcx.features().min_specialization +} + /// Is `impl1` a specialization of `impl2`? /// /// Specialization is determined by the sets of types to which the impls apply; @@ -143,31 +148,18 @@ pub fn translate_args_with_cause<'tcx>( /// to. #[instrument(skip(tcx), level = "debug")] pub(super) fn specializes(tcx: TyCtxt<'_>, (impl1_def_id, impl2_def_id): (DefId, DefId)) -> bool { - // The feature gate should prevent introducing new specializations, but not - // taking advantage of upstream ones. - // If specialization is enabled for this crate then no extra checks are needed. - // If it's not, and either of the `impl`s is local to this crate, then this definitely - // isn't specializing - unless specialization is enabled for the `impl` span, - // e.g. if it comes from an `allow_internal_unstable` macro - let features = tcx.features(); - let specialization_enabled = features.specialization || features.min_specialization; - if !specialization_enabled { - if impl1_def_id.is_local() { - let span = tcx.def_span(impl1_def_id); - if !span.allows_unstable(sym::specialization) - && !span.allows_unstable(sym::min_specialization) - { - return false; - } - } - - if impl2_def_id.is_local() { - let span = tcx.def_span(impl2_def_id); - if !span.allows_unstable(sym::specialization) - && !span.allows_unstable(sym::min_specialization) - { - return false; - } + // We check that the specializing impl comes from a crate that has specialization enabled, + // or if the specializing impl is marked with `allow_internal_unstable`. + // + // We don't really care if the specialized impl (the parent) is in a crate that has + // specialization enabled, since it's not being specialized, and it's already been checked + // for coherence. + if !tcx.specialization_enabled_in(impl1_def_id.krate) { + let span = tcx.def_span(impl1_def_id); + if !span.allows_unstable(sym::specialization) + && !span.allows_unstable(sym::min_specialization) + { + return false; } } diff --git a/tests/ui/coherence/coherence-impls-copy.stderr b/tests/ui/coherence/coherence-impls-copy.stderr index 2d2c5064043a..f529a056b0fd 100644 --- a/tests/ui/coherence/coherence-impls-copy.stderr +++ b/tests/ui/coherence/coherence-impls-copy.stderr @@ -1,14 +1,3 @@ -error[E0117]: only traits defined in the current crate can be implemented for primitive types - --> $DIR/coherence-impls-copy.rs:5:1 - | -LL | impl Copy for i32 {} - | ^^^^^^^^^^^^^^--- - | | | - | | `i32` is not defined in the current crate - | impl doesn't use only types from inside the current crate - | - = note: define and implement a trait or new type instead - error[E0119]: conflicting implementations of trait `Copy` for type `&NotSync` --> $DIR/coherence-impls-copy.rs:28:1 | @@ -30,6 +19,17 @@ LL | impl Copy for &'static [NotSync] {} | = note: define and implement a trait or new type instead +error[E0117]: only traits defined in the current crate can be implemented for primitive types + --> $DIR/coherence-impls-copy.rs:5:1 + | +LL | impl Copy for i32 {} + | ^^^^^^^^^^^^^^--- + | | | + | | `i32` is not defined in the current crate + | impl doesn't use only types from inside the current crate + | + = note: define and implement a trait or new type instead + error[E0206]: the trait `Copy` cannot be implemented for this type --> $DIR/coherence-impls-copy.rs:21:15 | diff --git a/tests/ui/specialization/anyid-repro-125197.rs b/tests/ui/specialization/anyid-repro-125197.rs index 725b1f1aff44..9428d8dc2d41 100644 --- a/tests/ui/specialization/anyid-repro-125197.rs +++ b/tests/ui/specialization/anyid-repro-125197.rs @@ -5,7 +5,7 @@ // actually participate in specialization. Since , // we don't treat inductive cycles as errors -- so we may need to winnow more pairs of impls, and // we try to winnow impls in favor of other impls. However, if we're *inside* the `specializes` -// query, then may have a query cycle if we call `specializes` again! +// query, then may have a query cycle if we call `specializes` again! extern crate anyid_repro_125197; use anyid_repro_125197::AnyId; From a269cf5657262e8a1dcd1377b116db6223f1f54a Mon Sep 17 00:00:00 2001 From: tiif Date: Sat, 8 Jun 2024 08:58:47 +0800 Subject: [PATCH 1181/1716] Add eventfd shim --- .../miri/src/shims/unix/linux/eventfd.rs | 121 ++++++++++++++---- .../fail-dep/libc/libc_eventfd_read_block.rs | 12 ++ .../libc/libc_eventfd_read_block.stderr | 14 ++ .../fail-dep/libc/libc_eventfd_write_block.rs | 22 ++++ .../libc/libc_eventfd_write_block.stderr | 14 ++ .../miri/tests/pass-dep/libc/libc-eventfd.rs | 101 +++++++++++++++ 6 files changed, 261 insertions(+), 23 deletions(-) create mode 100644 src/tools/miri/tests/fail-dep/libc/libc_eventfd_read_block.rs create mode 100644 src/tools/miri/tests/fail-dep/libc/libc_eventfd_read_block.stderr create mode 100644 src/tools/miri/tests/fail-dep/libc/libc_eventfd_write_block.rs create mode 100644 src/tools/miri/tests/fail-dep/libc/libc_eventfd_write_block.stderr create mode 100644 src/tools/miri/tests/pass-dep/libc/libc-eventfd.rs diff --git a/src/tools/miri/src/shims/unix/linux/eventfd.rs b/src/tools/miri/src/shims/unix/linux/eventfd.rs index 777142b25c47..3080d5b8d071 100644 --- a/src/tools/miri/src/shims/unix/linux/eventfd.rs +++ b/src/tools/miri/src/shims/unix/linux/eventfd.rs @@ -1,14 +1,20 @@ //! Linux `eventfd` implementation. -//! Currently just a stub. use std::io; +use std::io::{Error, ErrorKind}; use rustc_target::abi::Endian; use crate::shims::unix::*; -use crate::*; +use crate::{concurrency::VClock, *}; use self::shims::unix::fd::FileDescriptor; +/// Minimum size of u8 array to hold u64 value. +const U64_MIN_ARRAY_SIZE: usize = 8; + +/// Maximum value that the eventfd counter can hold. +const MAX_COUNTER: u64 = u64::MAX - 1; + /// A kind of file descriptor created by `eventfd`. /// The `Event` type isn't currently written to by `eventfd`. /// The interface is meant to keep track of objects associated @@ -20,7 +26,9 @@ use self::shims::unix::fd::FileDescriptor; struct Event { /// The object contains an unsigned 64-bit integer (uint64_t) counter that is maintained by the /// kernel. This counter is initialized with the value specified in the argument initval. - val: u64, + counter: u64, + is_nonblock: bool, + clock: VClock, } impl FileDescription for Event { @@ -35,6 +43,38 @@ impl FileDescription for Event { Ok(Ok(())) } + /// Read the counter in the buffer and return the counter if succeeded. + fn read<'tcx>( + &mut self, + _communicate_allowed: bool, + bytes: &mut [u8], + ecx: &mut MiriInterpCx<'tcx>, + ) -> InterpResult<'tcx, io::Result> { + // Check the size of slice, and return error only if the size of the slice < 8. + let Some(bytes) = bytes.first_chunk_mut::() else { + return Ok(Err(Error::from(ErrorKind::InvalidInput))); + }; + // Block when counter == 0. + if self.counter == 0 { + if self.is_nonblock { + return Ok(Err(Error::from(ErrorKind::WouldBlock))); + } else { + //FIXME: blocking is not supported + throw_unsup_format!("eventfd: blocking is unsupported"); + } + } else { + // Prevent false alarm in data race detection when doing synchronisation via eventfd. + ecx.acquire_clock(&self.clock); + // Return the counter in the host endianness using the buffer provided by caller. + *bytes = match ecx.tcx.sess.target.endian { + Endian::Little => self.counter.to_le_bytes(), + Endian::Big => self.counter.to_be_bytes(), + }; + self.counter = 0; + return Ok(Ok(U64_MIN_ARRAY_SIZE)); + } + } + /// A write call adds the 8-byte integer value supplied in /// its buffer (in native endianness) to the counter. The maximum value that may be /// stored in the counter is the largest unsigned 64-bit value @@ -53,16 +93,37 @@ impl FileDescription for Event { bytes: &[u8], ecx: &mut MiriInterpCx<'tcx>, ) -> InterpResult<'tcx, io::Result> { - let bytes: [u8; 8] = bytes.try_into().unwrap(); // FIXME fail gracefully when this has the wrong size - // Convert from target endianness to host endianness. - let num = match ecx.tcx.sess.target.endian { - Endian::Little => u64::from_le_bytes(bytes), - Endian::Big => u64::from_be_bytes(bytes), + // Check the size of slice, and return error only if the size of the slice < 8. + let Some(bytes) = bytes.first_chunk::() else { + return Ok(Err(Error::from(ErrorKind::InvalidInput))); }; - // FIXME handle blocking when addition results in exceeding the max u64 value - // or fail with EAGAIN if the file descriptor is nonblocking. - self.val = self.val.checked_add(num).unwrap(); - Ok(Ok(8)) + // Convert from bytes to int according to host endianness. + let num = match ecx.tcx.sess.target.endian { + Endian::Little => u64::from_le_bytes(*bytes), + Endian::Big => u64::from_be_bytes(*bytes), + }; + // u64::MAX as input is invalid because the maximum value of counter is u64::MAX - 1. + if num == u64::MAX { + return Ok(Err(Error::from(ErrorKind::InvalidInput))); + } + // If the addition does not let the counter to exceed the maximum value, update the counter. + // Else, block. + match self.counter.checked_add(num) { + Some(new_count @ 0..=MAX_COUNTER) => { + // Prevent false alarm in data race detection when doing synchronisation via eventfd. + self.clock.join(&ecx.release_clock().unwrap()); + self.counter = new_count; + } + None | Some(u64::MAX) => { + if self.is_nonblock { + return Ok(Err(Error::from(ErrorKind::WouldBlock))); + } else { + //FIXME: blocking is not supported + throw_unsup_format!("eventfd: blocking is unsupported"); + } + } + }; + Ok(Ok(U64_MIN_ARRAY_SIZE)) } } @@ -87,27 +148,41 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn eventfd(&mut self, val: &OpTy<'tcx>, flags: &OpTy<'tcx>) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); + // eventfd is Linux specific. + this.assert_target_os("linux", "eventfd"); + let val = this.read_scalar(val)?.to_u32()?; - let flags = this.read_scalar(flags)?.to_i32()?; + let mut flags = this.read_scalar(flags)?.to_i32()?; let efd_cloexec = this.eval_libc_i32("EFD_CLOEXEC"); let efd_nonblock = this.eval_libc_i32("EFD_NONBLOCK"); let efd_semaphore = this.eval_libc_i32("EFD_SEMAPHORE"); - if flags & (efd_cloexec | efd_nonblock | efd_semaphore) != flags { - throw_unsup_format!("eventfd: flag {flags:#x} is unsupported"); - } - if flags & efd_cloexec == efd_cloexec { - // cloexec does nothing as we don't support `exec` - } - if flags & efd_nonblock == efd_nonblock { - // FIXME remember the nonblock flag - } if flags & efd_semaphore == efd_semaphore { throw_unsup_format!("eventfd: EFD_SEMAPHORE is unsupported"); } - let fd = this.machine.fds.insert_fd(FileDescriptor::new(Event { val: val.into() })); + let mut is_nonblock = false; + // Unload the flag that we support. + // After unloading, flags != 0 means other flags are used. + if flags & efd_cloexec == efd_cloexec { + flags &= !efd_cloexec; + } + if flags & efd_nonblock == efd_nonblock { + flags &= !efd_nonblock; + is_nonblock = true; + } + if flags != 0 { + let einval = this.eval_libc("EINVAL"); + this.set_last_error(einval)?; + return Ok(Scalar::from_i32(-1)); + } + + let fd = this.machine.fds.insert_fd(FileDescriptor::new(Event { + counter: val.into(), + is_nonblock, + clock: VClock::default(), + })); Ok(Scalar::from_i32(fd)) } } diff --git a/src/tools/miri/tests/fail-dep/libc/libc_eventfd_read_block.rs b/src/tools/miri/tests/fail-dep/libc/libc_eventfd_read_block.rs new file mode 100644 index 000000000000..b24635f93404 --- /dev/null +++ b/src/tools/miri/tests/fail-dep/libc/libc_eventfd_read_block.rs @@ -0,0 +1,12 @@ +//@ignore-target-windows: No eventfd on Windows +//@ignore-target-apple: No eventfd in macos +fn main() { + // eventfd read will block when EFD_NONBLOCK flag is clear and counter = 0. + // This will pass when blocking is implemented. + let flags = libc::EFD_CLOEXEC; + let fd = unsafe { libc::eventfd(0, flags) }; + let mut buf: [u8; 8] = [0; 8]; + let _res: i32 = unsafe { + libc::read(fd, buf.as_mut_ptr().cast(), buf.len() as libc::size_t).try_into().unwrap() //~ERROR: blocking is unsupported + }; +} diff --git a/src/tools/miri/tests/fail-dep/libc/libc_eventfd_read_block.stderr b/src/tools/miri/tests/fail-dep/libc/libc_eventfd_read_block.stderr new file mode 100644 index 000000000000..fdd0b4272caf --- /dev/null +++ b/src/tools/miri/tests/fail-dep/libc/libc_eventfd_read_block.stderr @@ -0,0 +1,14 @@ +error: unsupported operation: eventfd: blocking is unsupported + --> $DIR/libc_eventfd_read_block.rs:LL:CC + | +LL | libc::read(fd, buf.as_mut_ptr().cast(), buf.len() as libc::size_t).try_into().unwrap() + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ eventfd: blocking is unsupported + | + = help: this is likely not a bug in the program; it indicates that the program performed an operation that Miri does not support + = note: BACKTRACE: + = note: inside `main` at $DIR/libc_eventfd_read_block.rs:LL:CC + +note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace + +error: aborting due to 1 previous error + diff --git a/src/tools/miri/tests/fail-dep/libc/libc_eventfd_write_block.rs b/src/tools/miri/tests/fail-dep/libc/libc_eventfd_write_block.rs new file mode 100644 index 000000000000..32ca4a919f7b --- /dev/null +++ b/src/tools/miri/tests/fail-dep/libc/libc_eventfd_write_block.rs @@ -0,0 +1,22 @@ +//@ignore-target-windows: No eventfd on Windows +//@ignore-target-apple: No eventfd in macos +fn main() { + // eventfd write will block when EFD_NONBLOCK flag is clear + // and the addition caused counter to exceed u64::MAX - 1. + // This will pass when blocking is implemented. + let flags = libc::EFD_CLOEXEC; + let fd = unsafe { libc::eventfd(0, flags) }; + // Write u64 - 1. + let mut sized_8_data: [u8; 8] = (u64::MAX - 1).to_ne_bytes(); + let res: i64 = unsafe { + libc::write(fd, sized_8_data.as_ptr() as *const libc::c_void, 8).try_into().unwrap() + }; + assert_eq!(res, 8); + + // Write 1. + sized_8_data = 1_u64.to_ne_bytes(); + // Write 1 to the counter. + let _res: i64 = unsafe { + libc::write(fd, sized_8_data.as_ptr() as *const libc::c_void, 8).try_into().unwrap() //~ERROR: blocking is unsupported + }; +} diff --git a/src/tools/miri/tests/fail-dep/libc/libc_eventfd_write_block.stderr b/src/tools/miri/tests/fail-dep/libc/libc_eventfd_write_block.stderr new file mode 100644 index 000000000000..f12c0ddfb171 --- /dev/null +++ b/src/tools/miri/tests/fail-dep/libc/libc_eventfd_write_block.stderr @@ -0,0 +1,14 @@ +error: unsupported operation: eventfd: blocking is unsupported + --> $DIR/libc_eventfd_write_block.rs:LL:CC + | +LL | libc::write(fd, sized_8_data.as_ptr() as *const libc::c_void, 8).try_into().unwrap() + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ eventfd: blocking is unsupported + | + = help: this is likely not a bug in the program; it indicates that the program performed an operation that Miri does not support + = note: BACKTRACE: + = note: inside `main` at $DIR/libc_eventfd_write_block.rs:LL:CC + +note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace + +error: aborting due to 1 previous error + diff --git a/src/tools/miri/tests/pass-dep/libc/libc-eventfd.rs b/src/tools/miri/tests/pass-dep/libc/libc-eventfd.rs new file mode 100644 index 000000000000..6af195316e8d --- /dev/null +++ b/src/tools/miri/tests/pass-dep/libc/libc-eventfd.rs @@ -0,0 +1,101 @@ +//@ignore-target-windows: No eventfd in windows +//@ignore-target-apple: No eventfd in macos +// test_race depends on a deterministic schedule. +//@compile-flags: -Zmiri-preemption-rate=0 + +use std::thread; + +fn main() { + test_read_write(); + test_race(); +} + +fn read_bytes(fd: i32, buf: &mut [u8; N]) -> i32 { + let res: i32 = unsafe { libc::read(fd, buf.as_mut_ptr().cast(), N).try_into().unwrap() }; + return res; +} + +fn write_bytes(fd: i32, data: [u8; N]) -> i32 { + let res: i32 = + unsafe { libc::write(fd, data.as_ptr() as *const libc::c_void, N).try_into().unwrap() }; + return res; +} + +fn test_read_write() { + let flags = libc::EFD_NONBLOCK | libc::EFD_CLOEXEC; + let fd = unsafe { libc::eventfd(0, flags) }; + let sized_8_data: [u8; 8] = 1_u64.to_ne_bytes(); + // Write 1 to the counter. + let res = write_bytes(fd, sized_8_data); + assert_eq!(res, 8); + + // Read 1 from the counter. + let mut buf: [u8; 8] = [0; 8]; + let res = read_bytes(fd, &mut buf); + // Read returns number of bytes has been read, which is always 8. + assert_eq!(res, 8); + // Check the value of counter read. + let counter = u64::from_ne_bytes(buf); + assert_eq!(counter, 1); + + // After read, the counter is currently 0, read counter 0 should fail with return + // value -1. + let mut buf: [u8; 8] = [0; 8]; + let res = read_bytes(fd, &mut buf); + assert_eq!(res, -1); + + // Write with supplied buffer that > 8 bytes should be allowed. + let sized_9_data: [u8; 9]; + if cfg!(target_endian = "big") { + // Adjust the data based on the endianness of host system. + sized_9_data = [0, 0, 0, 0, 0, 0, 0, 1, 0]; + } else { + sized_9_data = [1, 0, 0, 0, 0, 0, 0, 0, 0]; + } + let res = write_bytes(fd, sized_9_data); + assert_eq!(res, 8); + + // Read with supplied buffer that < 8 bytes should fail with return + // value -1. + let mut buf: [u8; 7] = [1; 7]; + let res = read_bytes(fd, &mut buf); + assert_eq!(res, -1); + + // Write with supplied buffer that < 8 bytes should fail with return + // value -1. + let size_7_data: [u8; 7] = [1; 7]; + let res = write_bytes(fd, size_7_data); + assert_eq!(res, -1); + + // Read with supplied buffer > 8 bytes should be allowed. + let mut buf: [u8; 9] = [1; 9]; + let res = read_bytes(fd, &mut buf); + assert_eq!(res, 8); + + // Write u64::MAX should fail. + let u64_max_bytes: [u8; 8] = [255; 8]; + let res = write_bytes(fd, u64_max_bytes); + assert_eq!(res, -1); +} + +fn test_race() { + static mut VAL: u8 = 0; + let flags = libc::EFD_NONBLOCK | libc::EFD_CLOEXEC; + let fd = unsafe { libc::eventfd(0, flags) }; + let thread1 = thread::spawn(move || { + let mut buf: [u8; 8] = [0; 8]; + let res = read_bytes(fd, &mut buf); + // read returns number of bytes has been read, which is always 8. + assert_eq!(res, 8); + let counter = u64::from_ne_bytes(buf); + assert_eq!(counter, 1); + unsafe { assert_eq!(VAL, 1) }; + }); + unsafe { VAL = 1 }; + let data: [u8; 8] = 1_u64.to_ne_bytes(); + let res = write_bytes(fd, data); + // write returns number of bytes written, which is always 8. + assert_eq!(res, 8); + thread::yield_now(); + thread1.join().unwrap(); +} From ea748abb5b2d721af0299bc5302c4b220688c4b8 Mon Sep 17 00:00:00 2001 From: Weihang Lo Date: Fri, 7 Jun 2024 22:23:01 -0400 Subject: [PATCH 1182/1716] Update cargo --- src/tools/cargo | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/cargo b/src/tools/cargo index 34a6a87d8a23..b1feb75d0624 160000 --- a/src/tools/cargo +++ b/src/tools/cargo @@ -1 +1 @@ -Subproject commit 34a6a87d8a2330d8c9d578f927489689328a652d +Subproject commit b1feb75d062444e2cee8b3d2aaa95309d65e9ccd From 6d87fc8747bc341088cc9831e24c50b8894918e6 Mon Sep 17 00:00:00 2001 From: Gurinder Singh Date: Sat, 8 Jun 2024 08:43:08 +0530 Subject: [PATCH 1183/1716] Fix ICE due to `unwrap` in `probe_for_name_many` --- compiler/rustc_hir_typeck/src/demand.rs | 15 +++++-- compiler/rustc_hir_typeck/src/method/probe.rs | 3 +- .../rustc_hir_typeck/src/method/suggest.rs | 14 ++++--- .../ice-unwrap-probe-many-result-125876.rs | 11 +++++ ...ice-unwrap-probe-many-result-125876.stderr | 40 +++++++++++++++++++ 5 files changed, 72 insertions(+), 11 deletions(-) create mode 100644 tests/ui/suggestions/ice-unwrap-probe-many-result-125876.rs create mode 100644 tests/ui/suggestions/ice-unwrap-probe-many-result-125876.stderr diff --git a/compiler/rustc_hir_typeck/src/demand.rs b/compiler/rustc_hir_typeck/src/demand.rs index 5d30b2a71e09..d2a5924c8bbb 100644 --- a/compiler/rustc_hir_typeck/src/demand.rs +++ b/compiler/rustc_hir_typeck/src/demand.rs @@ -827,7 +827,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ) else { return; }; - let in_scope_methods = self.probe_for_name_many( + + let Ok(in_scope_methods) = self.probe_for_name_many( probe::Mode::MethodCall, path.ident, Some(expected), @@ -835,11 +836,14 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { self_ty, deref.hir_id, probe::ProbeScope::TraitsInScope, - ); + ) else { + return; + }; + let other_methods_in_scope: Vec<_> = in_scope_methods.iter().filter(|c| c.item.def_id != pick.item.def_id).collect(); - let all_methods = self.probe_for_name_many( + let Ok(all_methods) = self.probe_for_name_many( probe::Mode::MethodCall, path.ident, Some(expected), @@ -847,7 +851,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { self_ty, deref.hir_id, probe::ProbeScope::AllTraits, - ); + ) else { + return; + }; + let suggestions: Vec<_> = all_methods .into_iter() .filter(|c| c.item.def_id != pick.item.def_id) diff --git a/compiler/rustc_hir_typeck/src/method/probe.rs b/compiler/rustc_hir_typeck/src/method/probe.rs index ab0f16bd87d0..e842bba34bf8 100644 --- a/compiler/rustc_hir_typeck/src/method/probe.rs +++ b/compiler/rustc_hir_typeck/src/method/probe.rs @@ -306,7 +306,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { self_ty: Ty<'tcx>, scope_expr_id: HirId, scope: ProbeScope, - ) -> Vec> { + ) -> Result>, MethodError<'tcx>> { self.probe_op( item_name.span, mode, @@ -324,7 +324,6 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { .collect()) }, ) - .unwrap() } pub(crate) fn probe_op( diff --git a/compiler/rustc_hir_typeck/src/method/suggest.rs b/compiler/rustc_hir_typeck/src/method/suggest.rs index c1e14f7fb753..bbe4a8791c69 100644 --- a/compiler/rustc_hir_typeck/src/method/suggest.rs +++ b/compiler/rustc_hir_typeck/src/method/suggest.rs @@ -1640,10 +1640,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { .unwrap_or(Ty::new_misc_error(self.tcx)), ); - // FIXME: `probe_for_name_many` searches for methods in inherent implementations, - // so it may return a candidate that doesn't belong to this `revr_ty`. We need to - // check whether the instantiated type matches the received one. - for _matched_method in self.probe_for_name_many( + let Ok(candidates) = self.probe_for_name_many( Mode::MethodCall, item_name, None, @@ -1651,7 +1648,14 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { rcvr_ty, source_expr.hir_id, ProbeScope::TraitsInScope, - ) { + ) else { + return; + }; + + // FIXME: `probe_for_name_many` searches for methods in inherent implementations, + // so it may return a candidate that doesn't belong to this `revr_ty`. We need to + // check whether the instantiated type matches the received one. + for _matched_method in candidates { // found a match, push to stack stack_methods.push(rcvr_ty); } diff --git a/tests/ui/suggestions/ice-unwrap-probe-many-result-125876.rs b/tests/ui/suggestions/ice-unwrap-probe-many-result-125876.rs new file mode 100644 index 000000000000..efa296db47cf --- /dev/null +++ b/tests/ui/suggestions/ice-unwrap-probe-many-result-125876.rs @@ -0,0 +1,11 @@ +// Regression test for ICE #125876 + +fn main() { + std::ptr::from_ref(num).cast_mut().as_deref(); + //~^ ERROR cannot find value `num` in this scope + //~| ERROR no method named `as_deref` found for raw pointer `*mut _` in the current scope + //~| WARN type annotations needed + //~| WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! + //~| WARN type annotations needed + //~| WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! +} diff --git a/tests/ui/suggestions/ice-unwrap-probe-many-result-125876.stderr b/tests/ui/suggestions/ice-unwrap-probe-many-result-125876.stderr new file mode 100644 index 000000000000..d610a3b7cadd --- /dev/null +++ b/tests/ui/suggestions/ice-unwrap-probe-many-result-125876.stderr @@ -0,0 +1,40 @@ +error[E0425]: cannot find value `num` in this scope + --> $DIR/ice-unwrap-probe-many-result-125876.rs:4:24 + | +LL | std::ptr::from_ref(num).cast_mut().as_deref(); + | ^^^ not found in this scope + +warning: type annotations needed + --> $DIR/ice-unwrap-probe-many-result-125876.rs:4:29 + | +LL | std::ptr::from_ref(num).cast_mut().as_deref(); + | ^^^^^^^^ + | + = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! + = note: for more information, see issue #46906 + = note: `#[warn(tyvar_behind_raw_pointer)]` on by default + +warning: type annotations needed + --> $DIR/ice-unwrap-probe-many-result-125876.rs:4:40 + | +LL | std::ptr::from_ref(num).cast_mut().as_deref(); + | ^^^^^^^^ + | + = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! + = note: for more information, see issue #46906 + +error[E0599]: no method named `as_deref` found for raw pointer `*mut _` in the current scope + --> $DIR/ice-unwrap-probe-many-result-125876.rs:4:40 + | +LL | std::ptr::from_ref(num).cast_mut().as_deref(); + | ^^^^^^^^ + | +help: there is a method `as_ref` with a similar name + | +LL | std::ptr::from_ref(num).cast_mut().as_ref(); + | ~~~~~~ + +error: aborting due to 2 previous errors; 2 warnings emitted + +Some errors have detailed explanations: E0425, E0599. +For more information about an error, try `rustc --explain E0425`. From 75e1d72093262ad955262b7cefea05a3d412de7c Mon Sep 17 00:00:00 2001 From: Jason Newcomb Date: Sat, 8 Jun 2024 01:19:05 -0400 Subject: [PATCH 1184/1716] Normalize type aliases when checking significant drops. --- .../src/significant_drop_tightening.rs | 50 +++++++------------ 1 file changed, 18 insertions(+), 32 deletions(-) diff --git a/clippy_lints/src/significant_drop_tightening.rs b/clippy_lints/src/significant_drop_tightening.rs index 038eb92d652b..979d6dc77aed 100644 --- a/clippy_lints/src/significant_drop_tightening.rs +++ b/clippy_lints/src/significant_drop_tightening.rs @@ -1,7 +1,7 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::source::{indent_of, snippet}; use clippy_utils::{expr_or_init, get_attr, path_to_local, peel_hir_expr_unary}; -use rustc_data_structures::fx::{FxHashMap, FxHashSet, FxIndexMap}; +use rustc_data_structures::fx::{FxHashMap, FxIndexMap}; use rustc_errors::Applicability; use rustc_hir::def::{DefKind, Res}; use rustc_hir::intravisit::{walk_expr, Visitor}; @@ -12,6 +12,7 @@ use rustc_session::impl_lint_pass; use rustc_span::symbol::Ident; use rustc_span::{sym, Span, DUMMY_SP}; use std::borrow::Cow; +use std::collections::hash_map::Entry; declare_clippy_lint! { /// ### What it does @@ -57,7 +58,6 @@ impl_lint_pass!(SignificantDropTightening<'_> => [SIGNIFICANT_DROP_TIGHTENING]); pub struct SignificantDropTightening<'tcx> { apas: FxIndexMap, /// Auxiliary structure used to avoid having to verify the same type multiple times. - seen_types: FxHashSet>, type_cache: FxHashMap, bool>, } @@ -74,7 +74,7 @@ impl<'tcx> LateLintPass<'tcx> for SignificantDropTightening<'tcx> { self.apas.clear(); let initial_dummy_stmt = dummy_stmt_expr(body.value); let mut ap = AuxParams::new(&mut self.apas, &initial_dummy_stmt); - StmtsChecker::new(&mut ap, cx, &mut self.seen_types, &mut self.type_cache).visit_body(body); + StmtsChecker::new(&mut ap, cx, &mut self.type_cache).visit_body(body); for apa in ap.apas.values() { if apa.counter <= 1 || !apa.has_expensive_expr_after_last_attr { continue; @@ -142,28 +142,25 @@ impl<'tcx> LateLintPass<'tcx> for SignificantDropTightening<'tcx> { /// Checks the existence of the `#[has_significant_drop]` attribute. struct AttrChecker<'cx, 'others, 'tcx> { cx: &'cx LateContext<'tcx>, - seen_types: &'others mut FxHashSet>, type_cache: &'others mut FxHashMap, bool>, } impl<'cx, 'others, 'tcx> AttrChecker<'cx, 'others, 'tcx> { - pub(crate) fn new( - cx: &'cx LateContext<'tcx>, - seen_types: &'others mut FxHashSet>, - type_cache: &'others mut FxHashMap, bool>, - ) -> Self { - seen_types.clear(); - Self { - cx, - seen_types, - type_cache, - } + pub(crate) fn new(cx: &'cx LateContext<'tcx>, type_cache: &'others mut FxHashMap, bool>) -> Self { + Self { cx, type_cache } } fn has_sig_drop_attr(&mut self, ty: Ty<'tcx>) -> bool { - // The borrow checker prevents us from using something fancier like or_insert_with. - if let Some(ty) = self.type_cache.get(&ty) { - return *ty; + let ty = self + .cx + .tcx + .try_normalize_erasing_regions(self.cx.param_env, ty) + .unwrap_or(ty); + match self.type_cache.entry(ty) { + Entry::Occupied(e) => return *e.get(), + Entry::Vacant(e) => { + e.insert(false); + }, } let value = self.has_sig_drop_attr_uncached(ty); self.type_cache.insert(ty, value); @@ -185,7 +182,7 @@ impl<'cx, 'others, 'tcx> AttrChecker<'cx, 'others, 'tcx> { rustc_middle::ty::Adt(a, b) => { for f in a.all_fields() { let ty = f.ty(self.cx.tcx, b); - if !self.has_seen_ty(ty) && self.has_sig_drop_attr(ty) { + if self.has_sig_drop_attr(ty) { return true; } } @@ -205,16 +202,11 @@ impl<'cx, 'others, 'tcx> AttrChecker<'cx, 'others, 'tcx> { _ => false, } } - - fn has_seen_ty(&mut self, ty: Ty<'tcx>) -> bool { - !self.seen_types.insert(ty) - } } struct StmtsChecker<'ap, 'lc, 'others, 'stmt, 'tcx> { ap: &'ap mut AuxParams<'others, 'stmt, 'tcx>, cx: &'lc LateContext<'tcx>, - seen_types: &'others mut FxHashSet>, type_cache: &'others mut FxHashMap, bool>, } @@ -222,15 +214,9 @@ impl<'ap, 'lc, 'others, 'stmt, 'tcx> StmtsChecker<'ap, 'lc, 'others, 'stmt, 'tcx fn new( ap: &'ap mut AuxParams<'others, 'stmt, 'tcx>, cx: &'lc LateContext<'tcx>, - seen_types: &'others mut FxHashSet>, type_cache: &'others mut FxHashMap, bool>, ) -> Self { - Self { - ap, - cx, - seen_types, - type_cache, - } + Self { ap, cx, type_cache } } fn manage_has_expensive_expr_after_last_attr(&mut self) { @@ -288,7 +274,7 @@ impl<'ap, 'lc, 'others, 'stmt, 'tcx> Visitor<'tcx> for StmtsChecker<'ap, 'lc, 'o apa.counter = apa.counter.wrapping_add(1); apa.has_expensive_expr_after_last_attr = false; }; - let mut ac = AttrChecker::new(self.cx, self.seen_types, self.type_cache); + let mut ac = AttrChecker::new(self.cx, self.type_cache); if ac.has_sig_drop_attr(self.cx.typeck_results().expr_ty(expr)) { if let hir::StmtKind::Let(local) = self.ap.curr_stmt.kind && let hir::PatKind::Binding(_, hir_id, ident, _) = local.pat.kind From cf3966dd9c1e175a0c0e1186616708ab4878896b Mon Sep 17 00:00:00 2001 From: David Carlier Date: Sat, 8 Jun 2024 08:31:35 +0100 Subject: [PATCH 1185/1716] std::unix::process adding few specific freebsd signals to be able to id. --- library/std/src/sys/pal/unix/process/process_unix.rs | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/library/std/src/sys/pal/unix/process/process_unix.rs b/library/std/src/sys/pal/unix/process/process_unix.rs index e2fca8c7e63d..72bda90a9ba7 100644 --- a/library/std/src/sys/pal/unix/process/process_unix.rs +++ b/library/std/src/sys/pal/unix/process/process_unix.rs @@ -1053,6 +1053,10 @@ fn signal_string(signal: i32) -> &'static str { libc::SIGINFO => " (SIGINFO)", #[cfg(target_os = "hurd")] libc::SIGLOST => " (SIGLOST)", + #[cfg(target_os = "freebsd")] + libc::SIGTHR => " (SIGTHR)", + #[cfg(target_os = "freebsd")] + libc::SIGLIBRT => " (SIGLIBRT)", _ => "", } } From d5671d06a493eae3dd4973ef98c7f1a81998e9da Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sat, 8 Jun 2024 10:35:20 +0200 Subject: [PATCH 1186/1716] Miri std tests: don't set BOOTSTRAP_SKIP_TARGET_SANITY unnecessarily --- src/bootstrap/mk/Makefile.in | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/src/bootstrap/mk/Makefile.in b/src/bootstrap/mk/Makefile.in index fc433bc5843b..cab37e0da473 100644 --- a/src/bootstrap/mk/Makefile.in +++ b/src/bootstrap/mk/Makefile.in @@ -59,17 +59,18 @@ check-aux: library/alloc \ --no-doc # Some doctests have intentional memory leaks. + # Some use file system operations to demonstrate dealing with `Result`. $(Q)MIRIFLAGS="-Zmiri-ignore-leaks -Zmiri-disable-isolation" \ $(BOOTSTRAP) miri --stage 2 \ library/core \ library/alloc \ --doc - # In `std` we cannot test everything. - $(Q)MIRIFLAGS="-Zmiri-disable-isolation" BOOTSTRAP_SKIP_TARGET_SANITY=1 \ + # In `std` we cannot test everything, so we skip some modules. + $(Q)MIRIFLAGS="-Zmiri-disable-isolation" \ $(BOOTSTRAP) miri --stage 2 library/std \ --no-doc -- \ --skip fs:: --skip net:: --skip process:: --skip sys::pal:: - $(Q)MIRIFLAGS="-Zmiri-ignore-leaks -Zmiri-disable-isolation" BOOTSTRAP_SKIP_TARGET_SANITY=1 \ + $(Q)MIRIFLAGS="-Zmiri-ignore-leaks -Zmiri-disable-isolation" \ $(BOOTSTRAP) miri --stage 2 library/std \ --doc -- \ --skip fs:: --skip net:: --skip process:: --skip sys::pal:: From 9b05e154f39f1a413ebc09c8f1dd751f991b3bba Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sat, 8 Jun 2024 12:04:38 +0200 Subject: [PATCH 1187/1716] StorageLive: refresh storage (instead of UB) when local is already live --- compiler/rustc_const_eval/messages.ftl | 2 -- .../rustc_const_eval/src/interpret/eval_context.rs | 8 +++----- compiler/rustc_middle/src/mir/syntax.rs | 11 +++++++---- 3 files changed, 10 insertions(+), 11 deletions(-) diff --git a/compiler/rustc_const_eval/messages.ftl b/compiler/rustc_const_eval/messages.ftl index 2dbeb7d5e0ca..14c036b8df9b 100644 --- a/compiler/rustc_const_eval/messages.ftl +++ b/compiler/rustc_const_eval/messages.ftl @@ -73,8 +73,6 @@ const_eval_division_by_zero = dividing by zero const_eval_division_overflow = overflow in signed division (dividing MIN by -1) -const_eval_double_storage_live = - StorageLive on a local that was already live const_eval_dyn_call_not_a_method = `dyn` call trying to call something that is not a method diff --git a/compiler/rustc_const_eval/src/interpret/eval_context.rs b/compiler/rustc_const_eval/src/interpret/eval_context.rs index 7c2100fcbe38..c1daa2fac338 100644 --- a/compiler/rustc_const_eval/src/interpret/eval_context.rs +++ b/compiler/rustc_const_eval/src/interpret/eval_context.rs @@ -1103,11 +1103,9 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { Operand::Immediate(Immediate::Uninit) }); - // StorageLive expects the local to be dead, and marks it live. + // If the local is already live, deallocate its old memory. let old = mem::replace(&mut self.frame_mut().locals[local].value, local_val); - if !matches!(old, LocalValue::Dead) { - throw_ub_custom!(fluent::const_eval_double_storage_live); - } + self.deallocate_local(old)?; Ok(()) } @@ -1121,7 +1119,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { assert!(local != mir::RETURN_PLACE, "Cannot make return place dead"); trace!("{:?} is now dead", local); - // It is entirely okay for this local to be already dead (at least that's how we currently generate MIR) + // If the local is already dead, this is a NOP. let old = mem::replace(&mut self.frame_mut().locals[local].value, LocalValue::Dead); self.deallocate_local(old)?; Ok(()) diff --git a/compiler/rustc_middle/src/mir/syntax.rs b/compiler/rustc_middle/src/mir/syntax.rs index ebe77a1abfd8..9855c72197ed 100644 --- a/compiler/rustc_middle/src/mir/syntax.rs +++ b/compiler/rustc_middle/src/mir/syntax.rs @@ -361,16 +361,19 @@ pub enum StatementKind<'tcx> { /// At any point during the execution of a function, each local is either allocated or /// unallocated. Except as noted below, all locals except function parameters are initially /// unallocated. `StorageLive` statements cause memory to be allocated for the local while - /// `StorageDead` statements cause the memory to be freed. Using a local in any way (not only - /// reading/writing from it) while it is unallocated is UB. + /// `StorageDead` statements cause the memory to be freed. In other words, + /// `StorageLive`/`StorageDead` act like the heap operations `allocate`/`deallocate`, but for + /// stack-allocated local variables. Using a local in any way (not only reading/writing from it) + /// while it is unallocated is UB. /// /// Some locals have no `StorageLive` or `StorageDead` statements within the entire MIR body. /// These locals are implicitly allocated for the full duration of the function. There is a /// convenience method at `rustc_mir_dataflow::storage::always_storage_live_locals` for /// computing these locals. /// - /// If the local is already allocated, calling `StorageLive` again is UB. However, for an - /// unallocated local an additional `StorageDead` all is simply a nop. + /// If the local is already allocated, calling `StorageLive` again will implicitly free the + /// local and then allocate fresh uninitilized memory. If a local is already deallocated, + /// calling `StorageDead` again is a NOP. StorageLive(Local), /// See `StorageLive` above. From 5844b679f3289aa50fda5463667de1d63b7d41d1 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Fri, 7 Jun 2024 14:10:27 +0200 Subject: [PATCH 1188/1716] Remove unnecessary functions and the last mention of TMPDIR from `run-make-support` --- src/tools/run-make-support/src/lib.rs | 21 +------------------ .../arguments-non-c-like-enum/rmake.rs | 4 ++-- .../c-link-to-rust-staticlib/rmake.rs | 6 +++--- .../c-link-to-rust-va-list-fn/rmake.rs | 4 ++-- tests/run-make/cdylib/rmake.rs | 4 ++-- .../rmake.rs | 4 ++-- .../rustdoc-scrape-examples-macros/rmake.rs | 2 +- tests/run-make/suspicious-library/rmake.rs | 6 +++--- tests/run-make/wasm-abi/rmake.rs | 2 +- .../wasm-symbols-different-module/rmake.rs | 1 + 10 files changed, 18 insertions(+), 36 deletions(-) diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index 79f732ecebb5..e40f13f497b0 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -65,12 +65,6 @@ pub fn is_darwin() -> bool { target().contains("darwin") } -/// Construct a path to a static library under `$TMPDIR` given the library name. This will return a -/// path with `$TMPDIR` joined with platform-and-compiler-specific library name. -pub fn static_lib(name: &str) -> PathBuf { - PathBuf::from(static_lib_name(name)) -} - pub fn python_command() -> Command { let python_path = env_var("PYTHON"); Command::new(python_path) @@ -111,12 +105,6 @@ pub fn static_lib_name(name: &str) -> String { if is_msvc() { format!("{name}.lib") } else { format!("lib{name}.a") } } -/// Construct a path to a dynamic library under `$TMPDIR` given the library name. This will return a -/// path with `$TMPDIR` joined with platform-and-compiler-specific library name. -pub fn dynamic_lib(name: &str) -> PathBuf { - PathBuf::from(dynamic_lib_name(name)) -} - /// Construct the dynamic library name based on the platform. pub fn dynamic_lib_name(name: &str) -> String { // See tools.mk (irrelevant lines omitted): @@ -154,14 +142,7 @@ pub fn dynamic_lib_extension() -> &'static str { } } -/// Construct a path to a rust library (rlib) under `$TMPDIR` given the library name. This will return a -/// path with `$TMPDIR` joined with the library name. -pub fn rust_lib(name: &str) -> PathBuf { - PathBuf::from(rust_lib_name(name)) -} - -/// Generate the name a rust library (rlib) would have. If you want the complete path, use -/// [`rust_lib`] instead. +/// Construct a rust library (rlib) name. pub fn rust_lib_name(name: &str) -> String { format!("lib{name}.rlib") } diff --git a/tests/run-make/arguments-non-c-like-enum/rmake.rs b/tests/run-make/arguments-non-c-like-enum/rmake.rs index 13230206ca87..88f4d664aa62 100644 --- a/tests/run-make/arguments-non-c-like-enum/rmake.rs +++ b/tests/run-make/arguments-non-c-like-enum/rmake.rs @@ -1,14 +1,14 @@ //! Check that non-trivial `repr(C)` enum in Rust has valid C layout. //@ ignore-cross-compile -use run_make_support::{cc, extra_c_flags, extra_cxx_flags, run, rustc, static_lib}; +use run_make_support::{cc, extra_c_flags, extra_cxx_flags, run, rustc, static_lib_name}; pub fn main() { use std::path::Path; rustc().input("nonclike.rs").crate_type("staticlib").run(); cc().input("test.c") - .input(static_lib("nonclike")) + .input(static_lib_name("nonclike")) .out_exe("test") .args(&extra_c_flags()) .args(&extra_cxx_flags()) diff --git a/tests/run-make/c-link-to-rust-staticlib/rmake.rs b/tests/run-make/c-link-to-rust-staticlib/rmake.rs index 63d5eb78c698..ca28944a0264 100644 --- a/tests/run-make/c-link-to-rust-staticlib/rmake.rs +++ b/tests/run-make/c-link-to-rust-staticlib/rmake.rs @@ -3,13 +3,13 @@ //@ ignore-cross-compile -use run_make_support::{cc, extra_c_flags, run, rustc, static_lib}; +use run_make_support::{cc, extra_c_flags, run, rustc, static_lib_name}; use std::fs; fn main() { rustc().input("foo.rs").run(); - cc().input("bar.c").input(static_lib("foo")).out_exe("bar").args(&extra_c_flags()).run(); + cc().input("bar.c").input(static_lib_name("foo")).out_exe("bar").args(&extra_c_flags()).run(); run("bar"); - fs::remove_file(static_lib("foo")); + fs::remove_file(static_lib_name("foo")); run("bar"); } diff --git a/tests/run-make/c-link-to-rust-va-list-fn/rmake.rs b/tests/run-make/c-link-to-rust-va-list-fn/rmake.rs index 7a450efff942..a01e259bce01 100644 --- a/tests/run-make/c-link-to-rust-va-list-fn/rmake.rs +++ b/tests/run-make/c-link-to-rust-va-list-fn/rmake.rs @@ -5,12 +5,12 @@ //@ ignore-cross-compile -use run_make_support::{cc, extra_c_flags, run, rustc, static_lib}; +use run_make_support::{cc, extra_c_flags, run, rustc, static_lib_name}; fn main() { rustc().input("checkrust.rs").run(); cc().input("test.c") - .input(static_lib("checkrust")) + .input(static_lib_name("checkrust")) .out_exe("test") .args(&extra_c_flags()) .run(); diff --git a/tests/run-make/cdylib/rmake.rs b/tests/run-make/cdylib/rmake.rs index 1920f618473b..81166867b790 100644 --- a/tests/run-make/cdylib/rmake.rs +++ b/tests/run-make/cdylib/rmake.rs @@ -12,7 +12,7 @@ use std::fs::remove_file; -use run_make_support::{cc, cwd, dynamic_lib, is_msvc, run, rustc}; +use run_make_support::{cc, cwd, dynamic_lib_name, is_msvc, run, rustc}; fn main() { rustc().input("bar.rs").run(); @@ -25,7 +25,7 @@ fn main() { } run("foo"); - remove_file(dynamic_lib("foo")).unwrap(); + remove_file(dynamic_lib_name("foo")).unwrap(); rustc().input("foo.rs").arg("-Clto").run(); run("foo"); diff --git a/tests/run-make/reachable-extern-fn-available-lto/rmake.rs b/tests/run-make/reachable-extern-fn-available-lto/rmake.rs index c7262b9461b3..558444846fd1 100644 --- a/tests/run-make/reachable-extern-fn-available-lto/rmake.rs +++ b/tests/run-make/reachable-extern-fn-available-lto/rmake.rs @@ -9,10 +9,10 @@ //@ ignore-cross-compile -use run_make_support::{cc, extra_c_flags, run, rustc, static_lib}; +use run_make_support::{cc, extra_c_flags, run, rustc, static_lib_name}; fn main() { - let libbar_path = static_lib("bar"); + let libbar_path = static_lib_name("bar"); rustc().input("foo.rs").crate_type("rlib").run(); rustc() .input("bar.rs") diff --git a/tests/run-make/rustdoc-scrape-examples-macros/rmake.rs b/tests/run-make/rustdoc-scrape-examples-macros/rmake.rs index c99112b6e5f2..a6d08f28cda3 100644 --- a/tests/run-make/rustdoc-scrape-examples-macros/rmake.rs +++ b/tests/run-make/rustdoc-scrape-examples-macros/rmake.rs @@ -1,6 +1,6 @@ //@ ignore-cross-compile -use run_make_support::{htmldocck, rustc, rustdoc, rust_lib_name}; +use run_make_support::{htmldocck, rust_lib_name, rustc, rustdoc}; fn main() { let out_dir = "rustdoc"; diff --git a/tests/run-make/suspicious-library/rmake.rs b/tests/run-make/suspicious-library/rmake.rs index 9e91de70bfce..e789607482b8 100644 --- a/tests/run-make/suspicious-library/rmake.rs +++ b/tests/run-make/suspicious-library/rmake.rs @@ -3,12 +3,12 @@ //@ ignore-cross-compile -use run_make_support::{dynamic_lib, rustc}; +use run_make_support::{dynamic_lib_name, rustc}; use std::fs::File; fn main() { rustc().input("foo.rs").arg("-Cprefer-dynamic").run(); - File::create(dynamic_lib("foo-something-special")).unwrap(); - File::create(dynamic_lib("foo-something-special2")).unwrap(); + File::create(dynamic_lib_name("foo-something-special")).unwrap(); + File::create(dynamic_lib_name("foo-something-special2")).unwrap(); rustc().input("bar.rs").run(); } diff --git a/tests/run-make/wasm-abi/rmake.rs b/tests/run-make/wasm-abi/rmake.rs index 8e90d83af6cd..0fc326babd94 100644 --- a/tests/run-make/wasm-abi/rmake.rs +++ b/tests/run-make/wasm-abi/rmake.rs @@ -8,7 +8,7 @@ use std::process::Command; fn main() { rustc().input("foo.rs").target("wasm32-wasip1").run(); - let file = PathBuf::from("foo.wasm"); + let file = Path::new("foo.wasm"); run(&file, "return_two_i32", "1\n2\n"); run(&file, "return_two_i64", "3\n4\n"); diff --git a/tests/run-make/wasm-symbols-different-module/rmake.rs b/tests/run-make/wasm-symbols-different-module/rmake.rs index 4960827f151c..83970ef0b249 100644 --- a/tests/run-make/wasm-symbols-different-module/rmake.rs +++ b/tests/run-make/wasm-symbols-different-module/rmake.rs @@ -2,6 +2,7 @@ use run_make_support::{rustc, wasmparser}; use std::collections::{HashMap, HashSet}; +use std::path::Path; fn main() { test_file("foo.rs", &[("a", &["foo"]), ("b", &["foo"])]); From f976a9b208f5027c2dc0a3c9a7c952eacdddf1ae Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Sat, 8 Jun 2024 13:39:46 +0200 Subject: [PATCH 1189/1716] Use native GitHub ARM64 runner for the `aarch64-gnu` job --- src/ci/github-actions/jobs.yml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/ci/github-actions/jobs.yml b/src/ci/github-actions/jobs.yml index 8c84e721f5de..c59eb03a5c48 100644 --- a/src/ci/github-actions/jobs.yml +++ b/src/ci/github-actions/jobs.yml @@ -33,7 +33,7 @@ runners: <<: *base-job - &job-aarch64-linux - os: [ self-hosted, ARM64, linux ] + os: ubuntu-22.04-arm64-8core-32gb envs: env-x86_64-apple-tests: &env-x86_64-apple-tests From 2855a876a76e52cee0db2df0488f22b10e228d0f Mon Sep 17 00:00:00 2001 From: Lzu Tao Date: Sun, 26 May 2024 10:50:30 +0700 Subject: [PATCH 1190/1716] fix typos of author lint --- clippy_lints/src/utils/author.rs | 2 +- tests/ui/author.stdout | 2 +- tests/ui/author/blocks.stdout | 6 +++--- tests/ui/author/call.stdout | 2 +- tests/ui/author/if.stdout | 2 +- tests/ui/author/issue_3849.stdout | 2 +- tests/ui/author/loop.stdout | 2 +- tests/ui/author/macro_in_closure.stdout | 2 +- tests/ui/author/matches.stdout | 4 ++-- 9 files changed, 12 insertions(+), 12 deletions(-) diff --git a/clippy_lints/src/utils/author.rs b/clippy_lints/src/utils/author.rs index 4448c9ae3df7..a3339cc62a9f 100644 --- a/clippy_lints/src/utils/author.rs +++ b/clippy_lints/src/utils/author.rs @@ -733,7 +733,7 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { match stmt.value.kind { StmtKind::Let(local) => { bind!(self, local); - kind!("Local({local})"); + kind!("Let({local})"); self.option(field!(local.init), "init", |init| { self.expr(init); }); diff --git a/tests/ui/author.stdout b/tests/ui/author.stdout index d448db097a7e..eed704e82fe1 100644 --- a/tests/ui/author.stdout +++ b/tests/ui/author.stdout @@ -1,4 +1,4 @@ -if let StmtKind::Local(local) = stmt.kind +if let StmtKind::Let(local) = stmt.kind && let Some(init) = local.init && let ExprKind::Cast(expr, cast_ty) = init.kind && let TyKind::Path(ref qpath) = cast_ty.kind diff --git a/tests/ui/author/blocks.stdout b/tests/ui/author/blocks.stdout index 80b928dd6cb5..6bf48d5ba4ef 100644 --- a/tests/ui/author/blocks.stdout +++ b/tests/ui/author/blocks.stdout @@ -1,12 +1,12 @@ if let ExprKind::Block(block, None) = expr.kind && block.stmts.len() == 3 - && let StmtKind::Local(local) = block.stmts[0].kind + && let StmtKind::Let(local) = block.stmts[0].kind && let Some(init) = local.init && let ExprKind::Lit(ref lit) = init.kind && let LitKind::Int(42, LitIntType::Signed(IntTy::I32)) = lit.node && let PatKind::Binding(BindingMode::NONE, _, name, None) = local.pat.kind && name.as_str() == "x" - && let StmtKind::Local(local1) = block.stmts[1].kind + && let StmtKind::Let(local1) = block.stmts[1].kind && let Some(init1) = local1.init && let ExprKind::Lit(ref lit1) = init1.kind && let LitKind::Float(_, LitFloatType::Suffixed(FloatTy::F32)) = lit1.node @@ -22,7 +22,7 @@ if let ExprKind::Block(block, None) = expr.kind } if let ExprKind::Block(block, None) = expr.kind && block.stmts.len() == 1 - && let StmtKind::Local(local) = block.stmts[0].kind + && let StmtKind::Let(local) = block.stmts[0].kind && let Some(init) = local.init && let ExprKind::Call(func, args) = init.kind && let ExprKind::Path(ref qpath) = func.kind diff --git a/tests/ui/author/call.stdout b/tests/ui/author/call.stdout index f040f6330a64..59d4da490fe5 100644 --- a/tests/ui/author/call.stdout +++ b/tests/ui/author/call.stdout @@ -1,4 +1,4 @@ -if let StmtKind::Local(local) = stmt.kind +if let StmtKind::Let(local) = stmt.kind && let Some(init) = local.init && let ExprKind::Call(func, args) = init.kind && let ExprKind::Path(ref qpath) = func.kind diff --git a/tests/ui/author/if.stdout b/tests/ui/author/if.stdout index 5d79618820d8..a85dcddd3315 100644 --- a/tests/ui/author/if.stdout +++ b/tests/ui/author/if.stdout @@ -1,4 +1,4 @@ -if let StmtKind::Local(local) = stmt.kind +if let StmtKind::Let(local) = stmt.kind && let Some(init) = local.init && let ExprKind::If(cond, then, Some(else_expr)) = init.kind && let ExprKind::DropTemps(expr) = cond.kind diff --git a/tests/ui/author/issue_3849.stdout b/tests/ui/author/issue_3849.stdout index 32a3127b85a3..a5a8c0304ee4 100644 --- a/tests/ui/author/issue_3849.stdout +++ b/tests/ui/author/issue_3849.stdout @@ -1,4 +1,4 @@ -if let StmtKind::Local(local) = stmt.kind +if let StmtKind::Let(local) = stmt.kind && let Some(init) = local.init && let ExprKind::Call(func, args) = init.kind && let ExprKind::Path(ref qpath) = func.kind diff --git a/tests/ui/author/loop.stdout b/tests/ui/author/loop.stdout index 631105a2238d..609d24910610 100644 --- a/tests/ui/author/loop.stdout +++ b/tests/ui/author/loop.stdout @@ -12,7 +12,7 @@ if let Some(higher::ForLoop { pat: pat, arg: arg, body: body, .. }) = higher::Fo && let LitKind::Int(10, LitIntType::Unsuffixed) = lit1.node && let ExprKind::Block(block, None) = body.kind && block.stmts.len() == 1 - && let StmtKind::Local(local) = block.stmts[0].kind + && let StmtKind::Let(local) = block.stmts[0].kind && let Some(init) = local.init && let ExprKind::Path(ref qpath1) = init.kind && match_qpath(qpath1, &["y"]) diff --git a/tests/ui/author/macro_in_closure.stdout b/tests/ui/author/macro_in_closure.stdout index b90c830e0307..66caf382d897 100644 --- a/tests/ui/author/macro_in_closure.stdout +++ b/tests/ui/author/macro_in_closure.stdout @@ -1,4 +1,4 @@ -if let StmtKind::Local(local) = stmt.kind +if let StmtKind::Let(local) = stmt.kind && let Some(init) = local.init && let ExprKind::Closure { capture_clause: CaptureBy::Ref, fn_decl: fn_decl, body: body_id, closure_kind: ClosureKind::Closure, .. } = init.kind && let FnRetTy::DefaultReturn(_) = fn_decl.output diff --git a/tests/ui/author/matches.stdout b/tests/ui/author/matches.stdout index 30e4a9b2560a..91b3b6f6877e 100644 --- a/tests/ui/author/matches.stdout +++ b/tests/ui/author/matches.stdout @@ -1,4 +1,4 @@ -if let StmtKind::Local(local) = stmt.kind +if let StmtKind::Let(local) = stmt.kind && let Some(init) = local.init && let ExprKind::Match(scrutinee, arms, MatchSource::Normal) = init.kind && let ExprKind::Lit(ref lit) = scrutinee.kind @@ -16,7 +16,7 @@ if let StmtKind::Local(local) = stmt.kind && arms[1].guard.is_none() && let ExprKind::Block(block, None) = arms[1].body.kind && block.stmts.len() == 1 - && let StmtKind::Local(local1) = block.stmts[0].kind + && let StmtKind::Let(local1) = block.stmts[0].kind && let Some(init1) = local1.init && let ExprKind::Lit(ref lit4) = init1.kind && let LitKind::Int(3, LitIntType::Unsuffixed) = lit4.node From e26e42fabee2c3dc2060fbfe03856f8ab16eb762 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sat, 8 Jun 2024 14:48:32 +0200 Subject: [PATCH 1191/1716] add missing Scalar::from_i128 --- compiler/rustc_middle/src/mir/interpret/value.rs | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/compiler/rustc_middle/src/mir/interpret/value.rs b/compiler/rustc_middle/src/mir/interpret/value.rs index c5c87c506b77..853572656879 100644 --- a/compiler/rustc_middle/src/mir/interpret/value.rs +++ b/compiler/rustc_middle/src/mir/interpret/value.rs @@ -196,6 +196,11 @@ impl Scalar { Self::from_int(i, Size::from_bits(64)) } + #[inline] + pub fn from_i128(i: i128) -> Self { + Self::from_int(i, Size::from_bits(128)) + } + #[inline] pub fn from_target_isize(i: i64, cx: &impl HasDataLayout) -> Self { Self::from_int(i, cx.data_layout().pointer_size) From b10a404199f0c837445e2c8692a6e4f31b8d6789 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Sat, 8 Jun 2024 15:40:07 +0200 Subject: [PATCH 1192/1716] Fix windows test --- tests/run-make/windows-binary-no-external-deps/rmake.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tests/run-make/windows-binary-no-external-deps/rmake.rs b/tests/run-make/windows-binary-no-external-deps/rmake.rs index 73c1dfcdfa81..61fdb202221c 100644 --- a/tests/run-make/windows-binary-no-external-deps/rmake.rs +++ b/tests/run-make/windows-binary-no-external-deps/rmake.rs @@ -2,7 +2,7 @@ //! a "hello world" application by setting `PATH` to `C:\Windows\System32`. //@ only-windows -use run_make_support::{env_var, rustc}; +use run_make_support::{cwd, env_var, rustc}; use std::path::PathBuf; use std::process::Command; @@ -12,7 +12,7 @@ fn main() { let windows_dir = env_var("SystemRoot"); let system32: PathBuf = [&windows_dir, "System32"].iter().collect(); // Note: This does not use the support wrappers so that we can precisely control the PATH - let exe = "hello.exe"; + let exe = cwd().join("hello.exe"); let status = Command::new(exe).env("PATH", &system32).spawn().unwrap().wait().unwrap(); if !status.success() { panic!("Command failed!\noutput status: `{status}`"); From 3fa1d4726746a5bf35083a47ae9559682252f176 Mon Sep 17 00:00:00 2001 From: Folkert Date: Tue, 28 May 2024 16:28:23 +0200 Subject: [PATCH 1193/1716] add support for `pclmulqdq` --- src/tools/miri/src/shims/x86/mod.rs | 69 +++++++++++++++++++ .../shims/x86/intrinsics-x86-pclmulqdq.rs | 48 +++++++++++++ 2 files changed, 117 insertions(+) create mode 100644 src/tools/miri/tests/pass/shims/x86/intrinsics-x86-pclmulqdq.rs diff --git a/src/tools/miri/src/shims/x86/mod.rs b/src/tools/miri/src/shims/x86/mod.rs index 7c40f3de54da..0374cfedc5aa 100644 --- a/src/tools/miri/src/shims/x86/mod.rs +++ b/src/tools/miri/src/shims/x86/mod.rs @@ -105,6 +105,13 @@ pub(super) trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } } + "pclmulqdq" => { + let [left, right, imm] = + this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?; + + pclmulqdq(this, left, right, imm, dest)?; + } + name if name.starts_with("sse.") => { return sse::EvalContextExt::emulate_x86_sse_intrinsic( this, link_name, abi, args, dest, @@ -1133,6 +1140,68 @@ fn pmulhrsw<'tcx>( Ok(()) } +/// Perform a carry-less multiplication of two 64-bit integers, selected from left and right according to imm8, +/// and store the results in dst. +/// +/// Left and right are both vectors of type 2 x i64. Only bits 0 and 4 of imm8 matter; +/// they select the element of left and right, respectively. +/// +/// +fn pclmulqdq<'tcx>( + this: &mut crate::MiriInterpCx<'tcx>, + left: &OpTy<'tcx>, + right: &OpTy<'tcx>, + imm8: &OpTy<'tcx>, + dest: &MPlaceTy<'tcx>, +) -> InterpResult<'tcx, ()> { + assert_eq!(left.layout, right.layout); + assert_eq!(left.layout.size, dest.layout.size); + + // Transmute to `[u64; 2]` + + let array_layout = this.layout_of(Ty::new_array(this.tcx.tcx, this.tcx.types.u64, 2))?; + let left = left.transmute(array_layout, this)?; + let right = right.transmute(array_layout, this)?; + let dest = dest.transmute(array_layout, this)?; + + let imm8 = this.read_scalar(imm8)?.to_u8()?; + + // select the 64-bit integer from left that the user specified (low or high) + let index = if (imm8 & 0x01) == 0 { 0 } else { 1 }; + let left = this.read_scalar(&this.project_index(&left, index)?)?.to_u64()?; + + // select the 64-bit integer from right that the user specified (low or high) + let index = if (imm8 & 0x10) == 0 { 0 } else { 1 }; + let right = this.read_scalar(&this.project_index(&right, index)?)?.to_u64()?; + + // Perform carry-less multiplication + // + // This operation is like long multiplication, but ignores all carries. + // That idea corresponds to the xor operator, which is used in the implementation. + // + // Wikipedia has an example https://en.wikipedia.org/wiki/Carry-less_product#Example + let mut result: u128 = 0; + + for i in 0..64 { + // if the i-th bit in right is set + if (right & (1 << i)) != 0 { + // xor result with `left` shifted to the left by i positions + result ^= (left as u128) << i; + } + } + + let result_low = (result & 0xFFFF_FFFF_FFFF_FFFF) as u64; + let result_high = (result >> 64) as u64; + + let dest_low = this.project_index(&dest, 0)?; + this.write_scalar(Scalar::from_u64(result_low), &dest_low)?; + + let dest_high = this.project_index(&dest, 1)?; + this.write_scalar(Scalar::from_u64(result_high), &dest_high)?; + + Ok(()) +} + /// Packs two N-bit integer vectors to a single N/2-bit integers. /// /// The conversion from N-bit to N/2-bit should be provided by `f`. diff --git a/src/tools/miri/tests/pass/shims/x86/intrinsics-x86-pclmulqdq.rs b/src/tools/miri/tests/pass/shims/x86/intrinsics-x86-pclmulqdq.rs new file mode 100644 index 000000000000..2f242dd5379d --- /dev/null +++ b/src/tools/miri/tests/pass/shims/x86/intrinsics-x86-pclmulqdq.rs @@ -0,0 +1,48 @@ +// Ignore everything except x86 and x86_64 +// Any new targets that are added to CI should be ignored here. +// (We cannot use `cfg`-based tricks here since the `target-feature` flags below only work on x86.) +//@ignore-target-aarch64 +//@ignore-target-arm +//@ignore-target-avr +//@ignore-target-s390x +//@ignore-target-thumbv7em +//@ignore-target-wasm32 +//@compile-flags: -C target-feature=+pclmulqdq + +#[cfg(target_arch = "x86")] +use std::arch::x86::*; +#[cfg(target_arch = "x86_64")] +use std::arch::x86_64::*; + +fn main() { + assert!(is_x86_feature_detected!("pclmulqdq")); + + let a = (0x7fffffffffffffff, 0x4317e40ab4ddcf05); + let b = (0xdd358416f52ecd34, 0x633d11cc638ca16b); + + unsafe { + assert_eq!(clmulepi64_si128::<0x00>(a, b), (13036940098130298092, 2704901987789626761)); + assert_eq!(clmulepi64_si128::<0x01>(a, b), (6707488474444649956, 3901733953304450635)); + assert_eq!(clmulepi64_si128::<0x10>(a, b), (11607166829323378905, 1191897396234301548)); + assert_eq!(clmulepi64_si128::<0x11>(a, b), (7731954893213347271, 1760130762532070957)); + } +} + +#[target_feature(enable = "pclmulqdq")] +unsafe fn clmulepi64_si128( + (a1, a2): (u64, u64), + (b1, b2): (u64, u64), +) -> (u64, u64) { + // SAFETY: There are no safety requirements for calling `_mm_clmulepi64_si128`. + // It's just unsafe for API consistency with other intrinsics. + unsafe { + let a = core::mem::transmute::<_, __m128i>([a1, a2]); + let b = core::mem::transmute::<_, __m128i>([b1, b2]); + + let out = _mm_clmulepi64_si128::(a, b); + + let [c1, c2] = core::mem::transmute::<_, [u64; 2]>(out); + + (c1, c2) + } +} From 1293ef735e251f8062d0a34a737fc675486afb74 Mon Sep 17 00:00:00 2001 From: Martin Nordholts Date: Fri, 7 Jun 2024 20:59:31 +0200 Subject: [PATCH 1194/1716] tests: Add ui/higher-ranked/trait-bounds/normalize-generic-arg.rs --- ...-in-higher-ranked-fn-signature.next.stderr | 9 ++++++ ...ojections-in-higher-ranked-fn-signature.rs | 30 +++++++++++++++++++ 2 files changed, 39 insertions(+) create mode 100644 tests/ui/higher-ranked/trait-bounds/rigid-equate-projections-in-higher-ranked-fn-signature.next.stderr create mode 100644 tests/ui/higher-ranked/trait-bounds/rigid-equate-projections-in-higher-ranked-fn-signature.rs diff --git a/tests/ui/higher-ranked/trait-bounds/rigid-equate-projections-in-higher-ranked-fn-signature.next.stderr b/tests/ui/higher-ranked/trait-bounds/rigid-equate-projections-in-higher-ranked-fn-signature.next.stderr new file mode 100644 index 000000000000..14a3d5e178d4 --- /dev/null +++ b/tests/ui/higher-ranked/trait-bounds/rigid-equate-projections-in-higher-ranked-fn-signature.next.stderr @@ -0,0 +1,9 @@ +error[E0284]: type annotations needed: cannot satisfy `for<'a> <_ as Trait<'a>>::Assoc <: >::Assoc` + --> $DIR/rigid-equate-projections-in-higher-ranked-fn-signature.rs:27:50 + | +LL | let _: for<'a> fn(<_ as Trait<'a>>::Assoc) = foo::(); + | ^^^^^^^^^^ cannot satisfy `for<'a> <_ as Trait<'a>>::Assoc <: >::Assoc` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0284`. diff --git a/tests/ui/higher-ranked/trait-bounds/rigid-equate-projections-in-higher-ranked-fn-signature.rs b/tests/ui/higher-ranked/trait-bounds/rigid-equate-projections-in-higher-ranked-fn-signature.rs new file mode 100644 index 000000000000..10dbc2a4a825 --- /dev/null +++ b/tests/ui/higher-ranked/trait-bounds/rigid-equate-projections-in-higher-ranked-fn-signature.rs @@ -0,0 +1,30 @@ +//@ revisions: current next +//@[current] check-pass +//@[next] compile-flags: -Znext-solver +//@[next] check-fail +//@ ignore-compare-mode-next-solver (explicit revisions) + +/// This triggers an ICE with (and without) `--emit metadata` using the old +/// trait solver: +/// ``` +/// rustc +nightly-2023-01-09 \ +/// tests/ui/higher-ranked/trait-bounds/rigid-equate-projections-in-higher-ranked-fn-signature.rs +/// ``` +/// The ICE was unknowingly fixed by +/// in `nightly-2023-01-10`. +/// This is a regression test for that fixed ICE. For the next solver we simply +/// make sure there is a compiler error. + +trait Trait<'a> { + type Assoc; +} + +fn foo Trait<'a>>() -> for<'a> fn(>::Assoc) { + todo!() +} + +fn bar Trait<'a>>() { + let _: for<'a> fn(<_ as Trait<'a>>::Assoc) = foo::(); //[next]~ ERROR type annotations needed +} + +fn main() {} From eb584a23bfba55512af0a223cf4133b806ede178 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sat, 8 Jun 2024 11:26:56 +0200 Subject: [PATCH 1195/1716] offset_of: allow (unstably) taking the offset of slice tail fields --- compiler/rustc_codegen_cranelift/src/base.rs | 7 ++-- compiler/rustc_codegen_ssa/src/mir/rvalue.rs | 5 ++- .../rustc_const_eval/src/interpret/step.rs | 5 ++- compiler/rustc_feature/src/unstable.rs | 2 ++ compiler/rustc_hir_typeck/src/expr.rs | 35 +++++++++++++++---- .../rustc_hir_typeck/src/fn_ctxt/_impl.rs | 20 +++++++++++ compiler/rustc_middle/src/ty/layout.rs | 34 ++++++++++++++++++ .../src/dataflow_const_prop.rs | 10 +++--- compiler/rustc_mir_transform/src/gvn.rs | 10 +++--- .../src/known_panics_lint.rs | 7 ++-- compiler/rustc_span/src/symbol.rs | 1 + compiler/rustc_target/src/abi/mod.rs | 23 ------------ .../feature-gate-offset-of-slice.rs | 26 ++++++++++++++ .../feature-gate-offset-of-slice.stderr | 35 +++++++++++++++++++ tests/ui/offset-of/offset-of-dst-field.rs | 4 +++ tests/ui/offset-of/offset-of-dst-field.stderr | 11 +++++- tests/ui/offset-of/offset-of-slice.rs | 26 ++++++++++++++ 17 files changed, 215 insertions(+), 46 deletions(-) create mode 100644 tests/ui/feature-gates/feature-gate-offset-of-slice.rs create mode 100644 tests/ui/feature-gates/feature-gate-offset-of-slice.stderr create mode 100644 tests/ui/offset-of/offset-of-slice.rs diff --git a/compiler/rustc_codegen_cranelift/src/base.rs b/compiler/rustc_codegen_cranelift/src/base.rs index 963e5de91cef..6d26ca0b899b 100644 --- a/compiler/rustc_codegen_cranelift/src/base.rs +++ b/compiler/rustc_codegen_cranelift/src/base.rs @@ -832,9 +832,10 @@ fn codegen_stmt<'tcx>( let val = match null_op { NullOp::SizeOf => layout.size.bytes(), NullOp::AlignOf => layout.align.abi.bytes(), - NullOp::OffsetOf(fields) => { - layout.offset_of_subfield(fx, fields.iter()).bytes() - } + NullOp::OffsetOf(fields) => fx + .tcx + .offset_of_subfield(ParamEnv::reveal_all(), layout, fields.iter()) + .bytes(), NullOp::UbChecks => { let val = fx.tcx.sess.ub_checks(); let val = CValue::by_val( diff --git a/compiler/rustc_codegen_ssa/src/mir/rvalue.rs b/compiler/rustc_codegen_ssa/src/mir/rvalue.rs index c23867be3a10..ad6b3f1159de 100644 --- a/compiler/rustc_codegen_ssa/src/mir/rvalue.rs +++ b/compiler/rustc_codegen_ssa/src/mir/rvalue.rs @@ -680,7 +680,10 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { bx.cx().const_usize(val) } mir::NullOp::OffsetOf(fields) => { - let val = layout.offset_of_subfield(bx.cx(), fields.iter()).bytes(); + let val = bx + .tcx() + .offset_of_subfield(bx.param_env(), layout, fields.iter()) + .bytes(); bx.cx().const_usize(val) } mir::NullOp::UbChecks => { diff --git a/compiler/rustc_const_eval/src/interpret/step.rs b/compiler/rustc_const_eval/src/interpret/step.rs index d0bb821862aa..1baf62baa816 100644 --- a/compiler/rustc_const_eval/src/interpret/step.rs +++ b/compiler/rustc_const_eval/src/interpret/step.rs @@ -253,7 +253,10 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { Scalar::from_target_usize(val, self) } mir::NullOp::OffsetOf(fields) => { - let val = layout.offset_of_subfield(self, fields.iter()).bytes(); + let val = self + .tcx + .offset_of_subfield(self.param_env, layout, fields.iter()) + .bytes(); Scalar::from_target_usize(val, self) } mir::NullOp::UbChecks => Scalar::from_bool(self.tcx.sess.ub_checks()), diff --git a/compiler/rustc_feature/src/unstable.rs b/compiler/rustc_feature/src/unstable.rs index d67422849d8a..2410019868a1 100644 --- a/compiler/rustc_feature/src/unstable.rs +++ b/compiler/rustc_feature/src/unstable.rs @@ -559,6 +559,8 @@ declare_features! ( (unstable, offset_of_enum, "1.75.0", Some(120141)), /// Allows using multiple nested field accesses in offset_of! (unstable, offset_of_nested, "1.77.0", Some(120140)), + /// Allows using fields with slice type in offset_of! + (unstable, offset_of_slice, "CURRENT_RUSTC_VERSION", Some(126151)), /// Allows using `#[optimize(X)]`. (unstable, optimize_attribute, "1.34.0", Some(54882)), /// Allows postfix match `expr.match { ... }` diff --git a/compiler/rustc_hir_typeck/src/expr.rs b/compiler/rustc_hir_typeck/src/expr.rs index d5d360ca0479..5b27ebe3416a 100644 --- a/compiler/rustc_hir_typeck/src/expr.rs +++ b/compiler/rustc_hir_typeck/src/expr.rs @@ -3363,7 +3363,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let field_ty = self.field_ty(expr.span, field, args); - // FIXME: DSTs with static alignment should be allowed + // Enums are anyway always sized. But just to safeguard against future + // language extensions, let's double-check. self.require_type_is_sized(field_ty, expr.span, ObligationCauseCode::Misc); if field.vis.is_accessible_from(sub_def_scope, self.tcx) { @@ -3391,8 +3392,19 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { { let field_ty = self.field_ty(expr.span, field, args); - // FIXME: DSTs with static alignment should be allowed - self.require_type_is_sized(field_ty, expr.span, ObligationCauseCode::Misc); + if self.tcx.features().offset_of_slice { + self.require_type_has_static_alignment( + field_ty, + expr.span, + ObligationCauseCode::Misc, + ); + } else { + self.require_type_is_sized( + field_ty, + expr.span, + ObligationCauseCode::Misc, + ); + } if field.vis.is_accessible_from(def_scope, self.tcx) { self.tcx.check_stability(field.did, Some(expr.hir_id), expr.span, None); @@ -3412,10 +3424,21 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { if let Ok(index) = field.as_str().parse::() && field.name == sym::integer(index) { - for ty in tys.iter().take(index + 1) { - self.require_type_is_sized(ty, expr.span, ObligationCauseCode::Misc); - } if let Some(&field_ty) = tys.get(index) { + if self.tcx.features().offset_of_slice { + self.require_type_has_static_alignment( + field_ty, + expr.span, + ObligationCauseCode::Misc, + ); + } else { + self.require_type_is_sized( + field_ty, + expr.span, + ObligationCauseCode::Misc, + ); + } + field_indices.push((FIRST_VARIANT, index.into())); current_container = field_ty; diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs index 85c6d4dc12c5..e354e1ec59c6 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs @@ -386,6 +386,26 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } } + pub fn require_type_has_static_alignment( + &self, + ty: Ty<'tcx>, + span: Span, + code: traits::ObligationCauseCode<'tcx>, + ) { + if !ty.references_error() { + let tail = + self.tcx.struct_tail_with_normalize(ty, |ty| self.normalize(span, ty), || {}); + // Sized types have static alignment, and so do slices. + if tail.is_trivially_sized(self.tcx) || matches!(tail.kind(), ty::Slice(..)) { + // Nothing else is required here. + } else { + // We can't be sure, let's required full `Sized`. + let lang_item = self.tcx.require_lang_item(LangItem::Sized, None); + self.require_type_meets(ty, span, code, lang_item); + } + } + } + pub fn register_bound( &self, ty: Ty<'tcx>, diff --git a/compiler/rustc_middle/src/ty/layout.rs b/compiler/rustc_middle/src/ty/layout.rs index 142872009bf2..56945bf6be4f 100644 --- a/compiler/rustc_middle/src/ty/layout.rs +++ b/compiler/rustc_middle/src/ty/layout.rs @@ -1351,3 +1351,37 @@ pub trait FnAbiOf<'tcx>: FnAbiOfHelpers<'tcx> { } impl<'tcx, C: FnAbiOfHelpers<'tcx>> FnAbiOf<'tcx> for C {} + +impl<'tcx> TyCtxt<'tcx> { + pub fn offset_of_subfield( + self, + param_env: ty::ParamEnv<'tcx>, + mut layout: TyAndLayout<'tcx>, + indices: I, + ) -> Size + where + I: Iterator, + { + let cx = LayoutCx { tcx: self, param_env }; + let mut offset = Size::ZERO; + + for (variant, field) in indices { + layout = layout.for_variant(&cx, variant); + let index = field.index(); + offset += layout.fields.offset(index); + layout = layout.field(&cx, index); + if !layout.is_sized() { + // If it is not sized, then the tail must still have at least a known static alignment. + let tail = self.struct_tail_erasing_lifetimes(layout.ty, param_env); + if !matches!(tail.kind(), ty::Slice(..)) { + bug!( + "offset of not-statically-aligned field (type {:?}) cannot be computed statically", + layout.ty + ); + } + } + } + + offset + } +} diff --git a/compiler/rustc_mir_transform/src/dataflow_const_prop.rs b/compiler/rustc_mir_transform/src/dataflow_const_prop.rs index a8caead46f2f..eba5d13d33f6 100644 --- a/compiler/rustc_mir_transform/src/dataflow_const_prop.rs +++ b/compiler/rustc_mir_transform/src/dataflow_const_prop.rs @@ -10,7 +10,7 @@ use rustc_middle::bug; use rustc_middle::mir::interpret::{InterpResult, Scalar}; use rustc_middle::mir::visit::{MutVisitor, PlaceContext, Visitor}; use rustc_middle::mir::*; -use rustc_middle::ty::layout::LayoutOf; +use rustc_middle::ty::layout::{HasParamEnv, LayoutOf}; use rustc_middle::ty::{self, Ty, TyCtxt}; use rustc_mir_dataflow::value_analysis::{ Map, PlaceIndex, State, TrackElem, ValueAnalysis, ValueAnalysisWrapper, ValueOrPlace, @@ -285,9 +285,11 @@ impl<'tcx> ValueAnalysis<'tcx> for ConstAnalysis<'_, 'tcx> { let val = match null_op { NullOp::SizeOf if layout.is_sized() => layout.size.bytes(), NullOp::AlignOf if layout.is_sized() => layout.align.abi.bytes(), - NullOp::OffsetOf(fields) => { - layout.offset_of_subfield(&self.ecx, fields.iter()).bytes() - } + NullOp::OffsetOf(fields) => self + .ecx + .tcx + .offset_of_subfield(self.ecx.param_env(), layout, fields.iter()) + .bytes(), _ => return ValueOrPlace::Value(FlatSet::Top), }; FlatSet::Elem(Scalar::from_target_usize(val, &self.tcx)) diff --git a/compiler/rustc_mir_transform/src/gvn.rs b/compiler/rustc_mir_transform/src/gvn.rs index acde16fcb757..ebfb372329ee 100644 --- a/compiler/rustc_mir_transform/src/gvn.rs +++ b/compiler/rustc_mir_transform/src/gvn.rs @@ -95,7 +95,7 @@ use rustc_middle::bug; use rustc_middle::mir::interpret::GlobalAlloc; use rustc_middle::mir::visit::*; use rustc_middle::mir::*; -use rustc_middle::ty::layout::LayoutOf; +use rustc_middle::ty::layout::{HasParamEnv, LayoutOf}; use rustc_middle::ty::{self, Ty, TyCtxt}; use rustc_span::def_id::DefId; use rustc_span::DUMMY_SP; @@ -484,9 +484,11 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { let val = match null_op { NullOp::SizeOf => layout.size.bytes(), NullOp::AlignOf => layout.align.abi.bytes(), - NullOp::OffsetOf(fields) => { - layout.offset_of_subfield(&self.ecx, fields.iter()).bytes() - } + NullOp::OffsetOf(fields) => self + .ecx + .tcx + .offset_of_subfield(self.ecx.param_env(), layout, fields.iter()) + .bytes(), NullOp::UbChecks => return None, }; let usize_layout = self.ecx.layout_of(self.tcx.types.usize).unwrap(); diff --git a/compiler/rustc_mir_transform/src/known_panics_lint.rs b/compiler/rustc_mir_transform/src/known_panics_lint.rs index 8b46658b3225..47bbddbc31d4 100644 --- a/compiler/rustc_mir_transform/src/known_panics_lint.rs +++ b/compiler/rustc_mir_transform/src/known_panics_lint.rs @@ -625,9 +625,10 @@ impl<'mir, 'tcx> ConstPropagator<'mir, 'tcx> { let val = match null_op { NullOp::SizeOf => op_layout.size.bytes(), NullOp::AlignOf => op_layout.align.abi.bytes(), - NullOp::OffsetOf(fields) => { - op_layout.offset_of_subfield(self, fields.iter()).bytes() - } + NullOp::OffsetOf(fields) => self + .tcx + .offset_of_subfield(self.param_env, op_layout, fields.iter()) + .bytes(), NullOp::UbChecks => return None, }; ImmTy::from_scalar(Scalar::from_target_usize(val, self), layout).into() diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index 935942641677..e245dfb9f5d7 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -1304,6 +1304,7 @@ symbols! { offset_of, offset_of_enum, offset_of_nested, + offset_of_slice, ok_or_else, omit_gdb_pretty_printer_section, on, diff --git a/compiler/rustc_target/src/abi/mod.rs b/compiler/rustc_target/src/abi/mod.rs index 666efd9deca2..737e9a8eab02 100644 --- a/compiler/rustc_target/src/abi/mod.rs +++ b/compiler/rustc_target/src/abi/mod.rs @@ -256,29 +256,6 @@ impl<'a, Ty> TyAndLayout<'a, Ty> { Ty::is_transparent(self) } - pub fn offset_of_subfield(self, cx: &C, indices: I) -> Size - where - Ty: TyAbiInterface<'a, C>, - I: Iterator, - { - let mut layout = self; - let mut offset = Size::ZERO; - - for (variant, field) in indices { - layout = layout.for_variant(cx, variant); - let index = field.index(); - offset += layout.fields.offset(index); - layout = layout.field(cx, index); - assert!( - layout.is_sized(), - "offset of unsized field (type {:?}) cannot be computed statically", - layout.ty - ); - } - - offset - } - /// Finds the one field that is not a 1-ZST. /// Returns `None` if there are multiple non-1-ZST fields or only 1-ZST-fields. pub fn non_1zst_field(&self, cx: &C) -> Option<(usize, Self)> diff --git a/tests/ui/feature-gates/feature-gate-offset-of-slice.rs b/tests/ui/feature-gates/feature-gate-offset-of-slice.rs new file mode 100644 index 000000000000..23e8668bc685 --- /dev/null +++ b/tests/ui/feature-gates/feature-gate-offset-of-slice.rs @@ -0,0 +1,26 @@ +use std::mem::offset_of; + +struct S { + a: u8, + b: (u8, u8), + c: [i32], +} + +struct T { + x: i32, + y: S, +} + +type Tup = (i32, [i32]); + +fn main() { + offset_of!(S, c); //~ ERROR size for values of type `[i32]` cannot be known at compilation time +} + +fn other() { + offset_of!(T, y); //~ ERROR size for values of type `[i32]` cannot be known at compilation time +} + +fn tuple() { + offset_of!(Tup, 1); //~ ERROR size for values of type `[i32]` cannot be known at compilation time +} diff --git a/tests/ui/feature-gates/feature-gate-offset-of-slice.stderr b/tests/ui/feature-gates/feature-gate-offset-of-slice.stderr new file mode 100644 index 000000000000..5cf34a897f4d --- /dev/null +++ b/tests/ui/feature-gates/feature-gate-offset-of-slice.stderr @@ -0,0 +1,35 @@ +error[E0277]: the size for values of type `[i32]` cannot be known at compilation time + --> $DIR/feature-gate-offset-of-slice.rs:17:5 + | +LL | offset_of!(S, c); + | ^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time + | + = help: the trait `Sized` is not implemented for `[i32]` + = note: this error originates in the macro `offset_of` (in Nightly builds, run with -Z macro-backtrace for more info) + +error[E0277]: the size for values of type `[i32]` cannot be known at compilation time + --> $DIR/feature-gate-offset-of-slice.rs:21:5 + | +LL | offset_of!(T, y); + | ^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time + | + = help: within `S`, the trait `Sized` is not implemented for `[i32]`, which is required by `S: Sized` +note: required because it appears within the type `S` + --> $DIR/feature-gate-offset-of-slice.rs:3:8 + | +LL | struct S { + | ^ + = note: this error originates in the macro `offset_of` (in Nightly builds, run with -Z macro-backtrace for more info) + +error[E0277]: the size for values of type `[i32]` cannot be known at compilation time + --> $DIR/feature-gate-offset-of-slice.rs:25:5 + | +LL | offset_of!(Tup, 1); + | ^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time + | + = help: the trait `Sized` is not implemented for `[i32]` + = note: this error originates in the macro `offset_of` (in Nightly builds, run with -Z macro-backtrace for more info) + +error: aborting due to 3 previous errors + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/offset-of/offset-of-dst-field.rs b/tests/ui/offset-of/offset-of-dst-field.rs index 016ebfadd142..5ae15f323577 100644 --- a/tests/ui/offset-of/offset-of-dst-field.rs +++ b/tests/ui/offset-of/offset-of-dst-field.rs @@ -49,3 +49,7 @@ fn delta() { fn generic_with_maybe_sized() -> usize { offset_of!(Delta, z) //~ ERROR the size for values of type } + +fn illformed_tuple() { + offset_of!(([u8], u8), 1); //~ ERROR the size for values of type +} diff --git a/tests/ui/offset-of/offset-of-dst-field.stderr b/tests/ui/offset-of/offset-of-dst-field.stderr index adfd16c6f2b9..bcfe796897e0 100644 --- a/tests/ui/offset-of/offset-of-dst-field.stderr +++ b/tests/ui/offset-of/offset-of-dst-field.stderr @@ -81,6 +81,15 @@ LL - fn generic_with_maybe_sized() -> usize { LL + fn generic_with_maybe_sized() -> usize { | -error: aborting due to 8 previous errors +error[E0277]: the size for values of type `[u8]` cannot be known at compilation time + --> $DIR/offset-of-dst-field.rs:54:16 + | +LL | offset_of!(([u8], u8), 1); + | ^^^^^^^^^^ doesn't have a size known at compile-time + | + = help: the trait `Sized` is not implemented for `[u8]` + = note: only the last element of a tuple may have a dynamically sized type + +error: aborting due to 9 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/offset-of/offset-of-slice.rs b/tests/ui/offset-of/offset-of-slice.rs new file mode 100644 index 000000000000..a0fe3198f686 --- /dev/null +++ b/tests/ui/offset-of/offset-of-slice.rs @@ -0,0 +1,26 @@ +//@run-pass +#![feature(offset_of_slice, offset_of_nested)] + +use std::mem::offset_of; + +#[repr(C)] +struct S { + a: u8, + b: (u8, u8), + c: [i32], +} + +#[repr(C)] +struct T { + x: i8, + y: S, +} + +type Tup = (i16, [i32]); + +fn main() { + assert_eq!(offset_of!(S, c), 4); + assert_eq!(offset_of!(T, y), 4); + assert_eq!(offset_of!(T, y.c), 8); + assert_eq!(offset_of!(Tup, 1), 4); +} From ea73f0067fa6274a7c845f8ff0a9418cbde243bb Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sat, 8 Jun 2024 18:31:46 +0200 Subject: [PATCH 1196/1716] comment nits --- src/tools/miri/src/shims/x86/mod.rs | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/src/tools/miri/src/shims/x86/mod.rs b/src/tools/miri/src/shims/x86/mod.rs index 0374cfedc5aa..f2d120df21c4 100644 --- a/src/tools/miri/src/shims/x86/mod.rs +++ b/src/tools/miri/src/shims/x86/mod.rs @@ -1140,15 +1140,15 @@ fn pmulhrsw<'tcx>( Ok(()) } -/// Perform a carry-less multiplication of two 64-bit integers, selected from left and right according to imm8, -/// and store the results in dst. +/// Perform a carry-less multiplication of two 64-bit integers, selected from `left` and `right` according to `imm8`, +/// and store the results in `dst`. /// -/// Left and right are both vectors of type 2 x i64. Only bits 0 and 4 of imm8 matter; -/// they select the element of left and right, respectively. +/// `left` and `right` are both vectors of type 2 x i64. Only bits 0 and 4 of `imm8` matter; +/// they select the element of `left` and `right`, respectively. /// /// fn pclmulqdq<'tcx>( - this: &mut crate::MiriInterpCx<'tcx>, + this: &mut MiriInterpCx<'tcx>, left: &OpTy<'tcx>, right: &OpTy<'tcx>, imm8: &OpTy<'tcx>, From 75607b7a5aed2c585df06c28e8473f503ffd6eb0 Mon Sep 17 00:00:00 2001 From: David Carlier Date: Sat, 8 Jun 2024 17:12:17 +0000 Subject: [PATCH 1197/1716] std::unix::os current_exe implementation simplification for haiku. _get_net_image_info is a bit overkill as it allows to get broader informations about the process. --- library/std/src/sys/pal/unix/os.rs | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/library/std/src/sys/pal/unix/os.rs b/library/std/src/sys/pal/unix/os.rs index b5c7d30da7bc..ae1e42c419b9 100644 --- a/library/std/src/sys/pal/unix/os.rs +++ b/library/std/src/sys/pal/unix/os.rs @@ -462,21 +462,21 @@ pub fn current_exe() -> io::Result { #[cfg(target_os = "haiku")] pub fn current_exe() -> io::Result { + let mut name = vec![0; libc::PATH_MAX as usize]; unsafe { - let mut info: mem::MaybeUninit = mem::MaybeUninit::uninit(); - let mut cookie: i32 = 0; - // the executable can be found at team id 0 - let result = libc::_get_next_image_info( - 0, - &mut cookie, - info.as_mut_ptr(), - mem::size_of::(), + let result = libc::find_path( + std::ptr::null_mut(), + libc::path_base_directory::B_FIND_PATH_IMAGE_PATH, + std::ptr::null_mut(), + name.as_mut_ptr(), + name.len(), ); - if result != 0 { + if result != libc::B_OK { use crate::io::ErrorKind; Err(io::const_io_error!(ErrorKind::Uncategorized, "Error getting executable path")) } else { - let name = CStr::from_ptr((*info.as_ptr()).name.as_ptr()).to_bytes(); + // find_path adds the null terminator. + let name = CStr::from_ptr(name.as_ptr()).to_bytes(); Ok(PathBuf::from(OsStr::from_bytes(name))) } } From ca3d93aab050c87a18ee2142cc90e7ef79f405ea Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sat, 8 Jun 2024 17:26:18 +0200 Subject: [PATCH 1198/1716] portable-simd: add test for non-power-of-2 bitmask --- .../tests/pass/intrinsics/portable-simd.rs | 40 ++++++++++++++++++- 1 file changed, 39 insertions(+), 1 deletion(-) diff --git a/src/tools/miri/tests/pass/intrinsics/portable-simd.rs b/src/tools/miri/tests/pass/intrinsics/portable-simd.rs index 248a57d68504..de87f153b6f4 100644 --- a/src/tools/miri/tests/pass/intrinsics/portable-simd.rs +++ b/src/tools/miri/tests/pass/intrinsics/portable-simd.rs @@ -1,5 +1,5 @@ //@compile-flags: -Zmiri-strict-provenance -#![feature(portable_simd, adt_const_params, core_intrinsics)] +#![feature(portable_simd, adt_const_params, core_intrinsics, repr_simd)] #![allow(incomplete_features, internal_features)] use std::intrinsics::simd as intrinsics; use std::ptr; @@ -318,6 +318,44 @@ fn simd_mask() { assert_eq!(selected1, i32x4::from_array([0, 0, 0, 1])); assert_eq!(selected2, selected1); } + + // Non-power-of-2 multi-byte mask. + #[repr(simd, packed)] + #[allow(non_camel_case_types)] + #[derive(Copy, Clone, Debug, PartialEq)] + struct i32x10(i32, i32, i32, i32, i32, i32, i32, i32, i32, i32); + impl i32x10 { + fn splat(x: i32) -> Self { + Self(x, x, x, x, x, x, x, x, x, x) + } + fn from_array(a: [i32; 10]) -> Self { + unsafe { std::mem::transmute(a) } + } + } + unsafe { + let mask = i32x10::from_array([!0, !0, 0, !0, 0, 0, !0, 0, !0, 0]); + let bitmask1: u16 = simd_bitmask(mask); + let bitmask2: [u8; 2] = simd_bitmask(mask); + if cfg!(target_endian = "little") { + assert_eq!(bitmask1, 0b0101001011); + assert_eq!(bitmask2, [0b01001011, 0b01]); + } else { + assert_eq!(bitmask1, 0b1101001010); + assert_eq!(bitmask2, [0b11, 0b01001010]); + } + let selected1 = simd_select_bitmask::( + if cfg!(target_endian = "little") { 0b0101001011 } else { 0b1101001010 }, + i32x10::splat(!0), // yes + i32x10::splat(0), // no + ); + let selected2 = simd_select_bitmask::<[u8; 2], _>( + if cfg!(target_endian = "little") { [0b01001011, 0b01] } else { [0b11, 0b01001010] }, + i32x10::splat(!0), // yes + i32x10::splat(0), // no + ); + assert_eq!(selected1, mask); + assert_eq!(selected2, selected1); + } } fn simd_cast() { From 18ae9afa826006cf2f78a0defda286fcaf4bee99 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Fri, 7 Jun 2024 14:50:03 +0200 Subject: [PATCH 1199/1716] Introduce a custom `Command` wrapper in `run-make-support` --- src/tools/run-make-support/src/cc.rs | 2 +- src/tools/run-make-support/src/clang.rs | 7 +- src/tools/run-make-support/src/command.rs | 91 +++++++++++++++++++ src/tools/run-make-support/src/lib.rs | 38 ++++---- .../run-make-support/src/llvm_readobj.rs | 8 +- src/tools/run-make-support/src/run.rs | 14 +-- src/tools/run-make-support/src/rustc.rs | 46 +--------- src/tools/run-make-support/src/rustdoc.rs | 45 +-------- 8 files changed, 129 insertions(+), 122 deletions(-) create mode 100644 src/tools/run-make-support/src/command.rs diff --git a/src/tools/run-make-support/src/cc.rs b/src/tools/run-make-support/src/cc.rs index b33004974bf3..bfed6d922abe 100644 --- a/src/tools/run-make-support/src/cc.rs +++ b/src/tools/run-make-support/src/cc.rs @@ -1,7 +1,7 @@ use std::path::Path; -use std::process::Command; use crate::{bin_name, cygpath_windows, env_var, handle_failed_output, is_msvc, is_windows, uname}; +use crate::command::Command; /// Construct a new platform-specific C compiler invocation. /// diff --git a/src/tools/run-make-support/src/clang.rs b/src/tools/run-make-support/src/clang.rs index 7d9246b52227..2ceea3df95eb 100644 --- a/src/tools/run-make-support/src/clang.rs +++ b/src/tools/run-make-support/src/clang.rs @@ -1,7 +1,7 @@ use std::path::Path; -use std::process::Command; use crate::{bin_name, env_var, handle_failed_output}; +use crate::command::Command; /// Construct a new `clang` invocation. `clang` is not always available for all targets. pub fn clang() -> Clang { @@ -68,9 +68,4 @@ impl Clang { self.cmd.arg(format!("-fuse-ld={ld}")); self } - - /// Get the [`Output`][::std::process::Output] of the finished process. - pub fn command_output(&mut self) -> ::std::process::Output { - self.cmd.output().expect("failed to get output of finished process") - } } diff --git a/src/tools/run-make-support/src/command.rs b/src/tools/run-make-support/src/command.rs new file mode 100644 index 000000000000..c142c80024ba --- /dev/null +++ b/src/tools/run-make-support/src/command.rs @@ -0,0 +1,91 @@ +use std::ffi::OsStr; +use std::io::Write; +use std::ops::{Deref, DerefMut}; +use std::process::{Command as StdCommand, ExitStatus, Output, Stdio}; + +#[derive(Debug)] +pub struct Command { + cmd: StdCommand, + stdin: Option>, +} + +impl Command { + pub fn new>(program: S) -> Self { + Self { + cmd: StdCommand::new(program), + stdin: None, + } + } + + pub fn set_stdin(&mut self, stdin: Box<[u8]>) { + self.stdin = Some(stdin); + } + + #[track_caller] + pub(crate) fn command_output(&mut self) -> CompletedProcess { + // let's make sure we piped all the input and outputs + self.cmd.stdin(Stdio::piped()); + self.cmd.stdout(Stdio::piped()); + self.cmd.stderr(Stdio::piped()); + + let output = if let Some(input) = &self.stdin { + let mut child = self.cmd.spawn().unwrap(); + + { + let mut stdin = child.stdin.take().unwrap(); + stdin.write_all(input.as_ref()).unwrap(); + } + + child.wait_with_output().expect("failed to get output of finished process") + } else { + self.cmd.output().expect("failed to get output of finished process") + }; + output.into() + } +} + +impl Deref for Command { + type Target = StdCommand; + + fn deref(&self) -> &Self::Target { + &self.cmd + } +} + +impl DerefMut for Command { + fn deref_mut(&mut self) -> &mut Self::Target { + &mut self.cmd + } +} + +/// Represents the result of an executed process. +pub struct CompletedProcess { + output: Output, +} + +impl CompletedProcess { + pub fn stdout_utf8(&self) -> String { + String::from_utf8(self.output.stdout.clone()).expect("stdout is not valid UTF-8") + } + + pub fn stderr_utf8(&self) -> String { + String::from_utf8(self.output.stderr.clone()).expect("stderr is not valid UTF-8") + } + + pub fn status(&self) -> ExitStatus { + self.output.status + } + + #[track_caller] + pub fn assert_exit_code(&self, code: i32) { + assert!(self.output.status.code() == Some(code)); + } +} + +impl From for CompletedProcess { + fn from(output: Output) -> Self { + Self { + output + } + } +} diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index 0d167960c162..c22ff12814b7 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -10,13 +10,13 @@ pub mod llvm_readobj; pub mod run; pub mod rustc; pub mod rustdoc; +mod command; use std::env; use std::ffi::OsString; use std::fs; use std::io; use std::path::{Path, PathBuf}; -use std::process::{Command, Output}; pub use gimli; pub use object; @@ -167,13 +167,12 @@ pub fn cygpath_windows>(path: P) -> String { let mut cygpath = Command::new("cygpath"); cygpath.arg("-w"); cygpath.arg(path.as_ref()); - let output = cygpath.output().unwrap(); - if !output.status.success() { + let output = cygpath.command_output(); + if !output.status().success() { handle_failed_output(&cygpath, output, caller_line_number); } - let s = String::from_utf8(output.stdout).unwrap(); // cygpath -w can attach a newline - s.trim().to_string() + output.stdout_utf8().trim().to_string() } /// Run `uname`. This assumes that `uname` is available on the platform! @@ -183,23 +182,23 @@ pub fn uname() -> String { let caller_line_number = caller_location.line(); let mut uname = Command::new("uname"); - let output = uname.output().unwrap(); - if !output.status.success() { + let output = uname.command_output(); + if !output.status().success() { handle_failed_output(&uname, output, caller_line_number); } - String::from_utf8(output.stdout).unwrap() + output.stdout_utf8() } -fn handle_failed_output(cmd: &Command, output: Output, caller_line_number: u32) -> ! { - if output.status.success() { +fn handle_failed_output(cmd: &Command, output: CompletedProcess, caller_line_number: u32) -> ! { + if output.status().success() { eprintln!("command unexpectedly succeeded at line {caller_line_number}"); } else { eprintln!("command failed at line {caller_line_number}"); } eprintln!("{cmd:?}"); - eprintln!("output status: `{}`", output.status); - eprintln!("=== STDOUT ===\n{}\n\n", String::from_utf8(output.stdout).unwrap()); - eprintln!("=== STDERR ===\n{}\n\n", String::from_utf8(output.stderr).unwrap()); + eprintln!("output status: `{}`", output.status()); + eprintln!("=== STDOUT ===\n{}\n\n", output.stdout_utf8()); + eprintln!("=== STDERR ===\n{}\n\n", output.stderr_utf8()); std::process::exit(1) } @@ -412,12 +411,12 @@ macro_rules! impl_common_helpers { /// Run the constructed command and assert that it is successfully run. #[track_caller] - pub fn run(&mut self) -> ::std::process::Output { + pub fn run(&mut self) -> crate::command::CompletedProcess { let caller_location = ::std::panic::Location::caller(); let caller_line_number = caller_location.line(); - let output = self.command_output(); - if !output.status.success() { + let output = self.cmd.command_output(); + if !output.status().success() { handle_failed_output(&self.cmd, output, caller_line_number); } output @@ -425,12 +424,12 @@ macro_rules! impl_common_helpers { /// Run the constructed command and assert that it does not successfully run. #[track_caller] - pub fn run_fail(&mut self) -> ::std::process::Output { + pub fn run_fail(&mut self) -> crate::command::CompletedProcess { let caller_location = ::std::panic::Location::caller(); let caller_line_number = caller_location.line(); - let output = self.command_output(); - if output.status.success() { + let output = self.cmd.command_output(); + if output.status().success() { handle_failed_output(&self.cmd, output, caller_line_number); } output @@ -446,3 +445,4 @@ macro_rules! impl_common_helpers { } pub(crate) use impl_common_helpers; +use crate::command::{Command, CompletedProcess}; diff --git a/src/tools/run-make-support/src/llvm_readobj.rs b/src/tools/run-make-support/src/llvm_readobj.rs index 77aaadfe18c4..a834d3a2e19d 100644 --- a/src/tools/run-make-support/src/llvm_readobj.rs +++ b/src/tools/run-make-support/src/llvm_readobj.rs @@ -1,7 +1,7 @@ use std::path::{Path, PathBuf}; -use std::process::Command; use crate::{env_var, handle_failed_output}; +use crate::command::Command; /// Construct a new `llvm-readobj` invocation. This assumes that `llvm-readobj` is available /// at `$LLVM_BIN_DIR/llvm-readobj`. @@ -39,10 +39,4 @@ impl LlvmReadobj { self.cmd.arg("--file-header"); self } - - /// Get the [`Output`][::std::process::Output] of the finished process. - #[track_caller] - pub fn command_output(&mut self) -> ::std::process::Output { - self.cmd.output().expect("failed to get output of finished process") - } } diff --git a/src/tools/run-make-support/src/run.rs b/src/tools/run-make-support/src/run.rs index b607c583e328..09ad98c24517 100644 --- a/src/tools/run-make-support/src/run.rs +++ b/src/tools/run-make-support/src/run.rs @@ -1,12 +1,12 @@ use std::env; use std::path::{Path, PathBuf}; -use std::process::{Command, Output}; use crate::{cwd, env_var, is_windows}; +use crate::command::{Command, CompletedProcess}; use super::handle_failed_output; -fn run_common(name: &str) -> (Command, Output) { +fn run_common(name: &str) -> (Command, CompletedProcess) { let mut bin_path = PathBuf::new(); bin_path.push(cwd()); bin_path.push(name); @@ -33,18 +33,18 @@ fn run_common(name: &str) -> (Command, Output) { cmd.env("PATH", env::join_paths(paths.iter()).unwrap()); } - let output = cmd.output().unwrap(); + let output = cmd.command_output(); (cmd, output) } /// Run a built binary and make sure it succeeds. #[track_caller] -pub fn run(name: &str) -> Output { +pub fn run(name: &str) -> CompletedProcess { let caller_location = std::panic::Location::caller(); let caller_line_number = caller_location.line(); let (cmd, output) = run_common(name); - if !output.status.success() { + if !output.status().success() { handle_failed_output(&cmd, output, caller_line_number); } output @@ -52,12 +52,12 @@ pub fn run(name: &str) -> Output { /// Run a built binary and make sure it fails. #[track_caller] -pub fn run_fail(name: &str) -> Output { +pub fn run_fail(name: &str) -> CompletedProcess { let caller_location = std::panic::Location::caller(); let caller_line_number = caller_location.line(); let (cmd, output) = run_common(name); - if output.status.success() { + if output.status().success() { handle_failed_output(&cmd, output, caller_line_number); } output diff --git a/src/tools/run-make-support/src/rustc.rs b/src/tools/run-make-support/src/rustc.rs index a64dd9d30cf5..9bbe30bcb2d9 100644 --- a/src/tools/run-make-support/src/rustc.rs +++ b/src/tools/run-make-support/src/rustc.rs @@ -1,9 +1,8 @@ use std::ffi::{OsStr, OsString}; -use std::io::Write; use std::path::Path; -use std::process::{Command, Output, Stdio}; +use command::Command; -use crate::{cwd, env_var, handle_failed_output, set_host_rpath}; +use crate::{command, cwd, env_var, handle_failed_output, set_host_rpath}; /// Construct a new `rustc` invocation. pub fn rustc() -> Rustc { @@ -19,7 +18,6 @@ pub fn aux_build() -> Rustc { #[derive(Debug)] pub struct Rustc { cmd: Command, - stdin: Option>, } crate::impl_common_helpers!(Rustc); @@ -38,14 +36,14 @@ impl Rustc { /// Construct a new `rustc` invocation. pub fn new() -> Self { let cmd = setup_common(); - Self { cmd, stdin: None } + Self { cmd } } /// Construct a new `rustc` invocation with `aux_build` preset (setting `--crate-type=lib`). pub fn new_aux_build() -> Self { let mut cmd = setup_common(); cmd.arg("--crate-type=lib"); - Self { cmd, stdin: None } + Self { cmd } } // Argument provider methods @@ -197,7 +195,7 @@ impl Rustc { /// Specify a stdin input pub fn stdin>(&mut self, input: I) -> &mut Self { - self.stdin = Some(input.as_ref().to_vec().into_boxed_slice()); + self.cmd.set_stdin(input.as_ref().to_vec().into_boxed_slice()); self } @@ -213,38 +211,4 @@ impl Rustc { self.cmd.arg(format!("-Clinker={linker}")); self } - - /// Get the [`Output`] of the finished process. - #[track_caller] - pub fn command_output(&mut self) -> Output { - // let's make sure we piped all the input and outputs - self.cmd.stdin(Stdio::piped()); - self.cmd.stdout(Stdio::piped()); - self.cmd.stderr(Stdio::piped()); - - if let Some(input) = &self.stdin { - let mut child = self.cmd.spawn().unwrap(); - - { - let mut stdin = child.stdin.take().unwrap(); - stdin.write_all(input.as_ref()).unwrap(); - } - - child.wait_with_output().expect("failed to get output of finished process") - } else { - self.cmd.output().expect("failed to get output of finished process") - } - } - - #[track_caller] - pub fn run_fail_assert_exit_code(&mut self, code: i32) -> Output { - let caller_location = std::panic::Location::caller(); - let caller_line_number = caller_location.line(); - - let output = self.command_output(); - if output.status.code().unwrap() != code { - handle_failed_output(&self.cmd, output, caller_line_number); - } - output - } } diff --git a/src/tools/run-make-support/src/rustdoc.rs b/src/tools/run-make-support/src/rustdoc.rs index 34d32992e65e..c75bb1d1196a 100644 --- a/src/tools/run-make-support/src/rustdoc.rs +++ b/src/tools/run-make-support/src/rustdoc.rs @@ -1,9 +1,8 @@ use std::ffi::OsStr; -use std::io::Write; use std::path::Path; -use std::process::{Command, Output, Stdio}; use crate::{env_var, env_var_os, handle_failed_output, set_host_rpath}; +use crate::command::Command; /// Construct a plain `rustdoc` invocation with no flags set. pub fn bare_rustdoc() -> Rustdoc { @@ -18,7 +17,6 @@ pub fn rustdoc() -> Rustdoc { #[derive(Debug)] pub struct Rustdoc { cmd: Command, - stdin: Option>, } crate::impl_common_helpers!(Rustdoc); @@ -34,7 +32,7 @@ impl Rustdoc { /// Construct a bare `rustdoc` invocation. pub fn bare() -> Self { let cmd = setup_common(); - Self { cmd, stdin: None } + Self { cmd } } /// Construct a `rustdoc` invocation with `-L $(TARGET_RPATH_DIR)` set. @@ -42,7 +40,7 @@ impl Rustdoc { let mut cmd = setup_common(); let target_rpath_dir = env_var_os("TARGET_RPATH_DIR"); cmd.arg(format!("-L{}", target_rpath_dir.to_string_lossy())); - Self { cmd, stdin: None } + Self { cmd } } /// Specify where an external library is located. @@ -88,33 +86,10 @@ impl Rustdoc { /// Specify a stdin input pub fn stdin>(&mut self, input: I) -> &mut Self { - self.cmd.stdin(Stdio::piped()); - self.stdin = Some(input.as_ref().to_vec().into_boxed_slice()); + self.cmd.set_stdin(input.as_ref().to_vec().into_boxed_slice()); self } - /// Get the [`Output`] of the finished process. - #[track_caller] - pub fn command_output(&mut self) -> ::std::process::Output { - // let's make sure we piped all the input and outputs - self.cmd.stdin(Stdio::piped()); - self.cmd.stdout(Stdio::piped()); - self.cmd.stderr(Stdio::piped()); - - if let Some(input) = &self.stdin { - let mut child = self.cmd.spawn().unwrap(); - - { - let mut stdin = child.stdin.take().unwrap(); - stdin.write_all(input.as_ref()).unwrap(); - } - - child.wait_with_output().expect("failed to get output of finished process") - } else { - self.cmd.output().expect("failed to get output of finished process") - } - } - /// Specify the edition year. pub fn edition(&mut self, edition: &str) -> &mut Self { self.cmd.arg("--edition"); @@ -156,16 +131,4 @@ impl Rustdoc { self.cmd.arg(format); self } - - #[track_caller] - pub fn run_fail_assert_exit_code(&mut self, code: i32) -> Output { - let caller_location = std::panic::Location::caller(); - let caller_line_number = caller_location.line(); - - let output = self.command_output(); - if output.status.code().unwrap() != code { - handle_failed_output(&self.cmd, output, caller_line_number); - } - output - } } From 0a190e8d2d9bbe0b417b6f160042b816b31cec7b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Fri, 7 Jun 2024 15:23:10 +0200 Subject: [PATCH 1200/1716] Migrate runmake tests away from custom commands and `command_output` --- src/tools/run-make-support/src/cc.rs | 2 +- src/tools/run-make-support/src/clang.rs | 2 +- src/tools/run-make-support/src/command.rs | 76 +++++++++++++++++-- src/tools/run-make-support/src/lib.rs | 25 ++---- .../run-make-support/src/llvm_readobj.rs | 2 +- src/tools/run-make-support/src/run.rs | 11 ++- src/tools/run-make-support/src/rustc.rs | 4 +- src/tools/run-make-support/src/rustdoc.rs | 2 +- tests/run-make/CURRENT_RUSTC_VERSION/rmake.rs | 10 +-- .../allow-warnings-cmdline-stability/rmake.rs | 12 +-- tests/run-make/compiler-builtins/rmake.rs | 9 +-- tests/run-make/const-prop-lint/rmake.rs | 2 +- tests/run-make/crate-data-smoke/rmake.rs | 35 +++++---- tests/run-make/exit-code/rmake.rs | 13 ++-- tests/run-make/mixing-formats/rmake.rs | 4 +- .../no-input-file/no-input-file.stderr | 2 - tests/run-make/no-input-file/rmake.rs | 10 ++- tests/run-make/non-unicode-env/rmake.rs | 3 +- .../notify-all-emit-artifacts/rmake.rs | 4 +- tests/run-make/print-cfg/rmake.rs | 5 +- tests/run-make/print-check-cfg/rmake.rs | 2 +- .../print-native-static-libs/rmake.rs | 4 +- tests/run-make/print-to-output/rmake.rs | 8 +- tests/run-make/rust-lld-by-default/rmake.rs | 11 ++- .../run-make/rust-lld-custom-target/rmake.rs | 11 ++- tests/run-make/rust-lld/rmake.rs | 15 ++-- tests/run-make/rustdoc-error-lines/rmake.rs | 4 +- .../rustdoc-scrape-examples-macros/rmake.rs | 19 ++--- tests/run-make/rustdoc-shared-flags/rmake.rs | 4 +- tests/run-make/stdin-rustc/rmake.rs | 6 +- 30 files changed, 176 insertions(+), 141 deletions(-) delete mode 100644 tests/run-make/no-input-file/no-input-file.stderr diff --git a/src/tools/run-make-support/src/cc.rs b/src/tools/run-make-support/src/cc.rs index bfed6d922abe..5c0158d75470 100644 --- a/src/tools/run-make-support/src/cc.rs +++ b/src/tools/run-make-support/src/cc.rs @@ -1,7 +1,7 @@ use std::path::Path; -use crate::{bin_name, cygpath_windows, env_var, handle_failed_output, is_msvc, is_windows, uname}; use crate::command::Command; +use crate::{bin_name, cygpath_windows, env_var, is_msvc, is_windows, uname}; /// Construct a new platform-specific C compiler invocation. /// diff --git a/src/tools/run-make-support/src/clang.rs b/src/tools/run-make-support/src/clang.rs index 2ceea3df95eb..d2ebed7ab067 100644 --- a/src/tools/run-make-support/src/clang.rs +++ b/src/tools/run-make-support/src/clang.rs @@ -1,7 +1,7 @@ use std::path::Path; -use crate::{bin_name, env_var, handle_failed_output}; use crate::command::Command; +use crate::{bin_name, env_var}; /// Construct a new `clang` invocation. `clang` is not always available for all targets. pub fn clang() -> Clang { diff --git a/src/tools/run-make-support/src/command.rs b/src/tools/run-make-support/src/command.rs index c142c80024ba..b9e56ab632ad 100644 --- a/src/tools/run-make-support/src/command.rs +++ b/src/tools/run-make-support/src/command.rs @@ -1,8 +1,12 @@ +use crate::{assert_not_contains, handle_failed_output}; use std::ffi::OsStr; use std::io::Write; use std::ops::{Deref, DerefMut}; use std::process::{Command as StdCommand, ExitStatus, Output, Stdio}; +/// This is a custom command wrapper that simplifies working with commands +/// and makes it easier to ensure that we check the exit status of executed +/// processes. #[derive(Debug)] pub struct Command { cmd: StdCommand, @@ -11,16 +15,39 @@ pub struct Command { impl Command { pub fn new>(program: S) -> Self { - Self { - cmd: StdCommand::new(program), - stdin: None, - } + Self { cmd: StdCommand::new(program), stdin: None } } pub fn set_stdin(&mut self, stdin: Box<[u8]>) { self.stdin = Some(stdin); } + /// Run the constructed command and assert that it is successfully run. + #[track_caller] + pub fn run(&mut self) -> CompletedProcess { + let caller_location = std::panic::Location::caller(); + let caller_line_number = caller_location.line(); + + let output = self.command_output(); + if !output.status().success() { + handle_failed_output(&self, output, caller_line_number); + } + output + } + + /// Run the constructed command and assert that it does not successfully run. + #[track_caller] + pub fn run_fail(&mut self) -> CompletedProcess { + let caller_location = std::panic::Location::caller(); + let caller_line_number = caller_location.line(); + + let output = self.command_output(); + if output.status().success() { + handle_failed_output(&self, output, caller_line_number); + } + output + } + #[track_caller] pub(crate) fn command_output(&mut self) -> CompletedProcess { // let's make sure we piped all the input and outputs @@ -59,6 +86,8 @@ impl DerefMut for Command { } /// Represents the result of an executed process. +/// The various `assert_` helper methods should preferably be used for +/// checking the contents of stdout/stderr. pub struct CompletedProcess { output: Output, } @@ -76,16 +105,47 @@ impl CompletedProcess { self.output.status } + /// Checks that trimmed `stdout` matches trimmed `content`. #[track_caller] - pub fn assert_exit_code(&self, code: i32) { + pub fn assert_stdout_equals>(self, content: S) -> Self { + assert_eq!(self.stdout_utf8().trim(), content.as_ref().trim()); + self + } + + #[track_caller] + pub fn assert_stdout_not_contains>(self, needle: S) -> Self { + assert_not_contains(&self.stdout_utf8(), needle.as_ref()); + self + } + + /// Checks that trimmed `stderr` matches trimmed `content`. + #[track_caller] + pub fn assert_stderr_equals>(self, content: S) -> Self { + assert_eq!(self.stderr_utf8().trim(), content.as_ref().trim()); + self + } + + #[track_caller] + pub fn assert_stderr_contains>(self, needle: S) -> Self { + assert!(self.stderr_utf8().contains(needle.as_ref())); + self + } + + #[track_caller] + pub fn assert_stderr_not_contains>(self, needle: S) -> Self { + assert_not_contains(&self.stdout_utf8(), needle.as_ref()); + self + } + + #[track_caller] + pub fn assert_exit_code(self, code: i32) -> Self { assert!(self.output.status.code() == Some(code)); + self } } impl From for CompletedProcess { fn from(output: Output) -> Self { - Self { - output - } + Self { output } } } diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index c22ff12814b7..b17f217c133b 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -5,12 +5,12 @@ pub mod cc; pub mod clang; +mod command; pub mod diff; pub mod llvm_readobj; pub mod run; pub mod rustc; pub mod rustdoc; -mod command; use std::env; use std::ffi::OsString; @@ -27,7 +27,7 @@ pub use cc::{cc, extra_c_flags, extra_cxx_flags, Cc}; pub use clang::{clang, Clang}; pub use diff::{diff, Diff}; pub use llvm_readobj::{llvm_readobj, LlvmReadobj}; -pub use run::{run, run_fail}; +pub use run::{cmd, run, run_fail}; pub use rustc::{aux_build, rustc, Rustc}; pub use rustdoc::{bare_rustdoc, rustdoc, Rustdoc}; @@ -285,6 +285,7 @@ pub fn read_dir(dir: impl AsRef, callback: F) { } /// Check that `haystack` does not contain `needle`. Panic otherwise. +#[track_caller] pub fn assert_not_contains(haystack: &str, needle: &str) { if haystack.contains(needle) { eprintln!("=== HAYSTACK ==="); @@ -412,27 +413,13 @@ macro_rules! impl_common_helpers { /// Run the constructed command and assert that it is successfully run. #[track_caller] pub fn run(&mut self) -> crate::command::CompletedProcess { - let caller_location = ::std::panic::Location::caller(); - let caller_line_number = caller_location.line(); - - let output = self.cmd.command_output(); - if !output.status().success() { - handle_failed_output(&self.cmd, output, caller_line_number); - } - output + self.cmd.run() } /// Run the constructed command and assert that it does not successfully run. #[track_caller] pub fn run_fail(&mut self) -> crate::command::CompletedProcess { - let caller_location = ::std::panic::Location::caller(); - let caller_line_number = caller_location.line(); - - let output = self.cmd.command_output(); - if output.status().success() { - handle_failed_output(&self.cmd, output, caller_line_number); - } - output + self.cmd.run_fail() } /// Set the path where the command will be run. @@ -444,5 +431,5 @@ macro_rules! impl_common_helpers { }; } -pub(crate) use impl_common_helpers; use crate::command::{Command, CompletedProcess}; +pub(crate) use impl_common_helpers; diff --git a/src/tools/run-make-support/src/llvm_readobj.rs b/src/tools/run-make-support/src/llvm_readobj.rs index a834d3a2e19d..db2f9db6e41f 100644 --- a/src/tools/run-make-support/src/llvm_readobj.rs +++ b/src/tools/run-make-support/src/llvm_readobj.rs @@ -1,7 +1,7 @@ use std::path::{Path, PathBuf}; -use crate::{env_var, handle_failed_output}; use crate::command::Command; +use crate::env_var; /// Construct a new `llvm-readobj` invocation. This assumes that `llvm-readobj` is available /// at `$LLVM_BIN_DIR/llvm-readobj`. diff --git a/src/tools/run-make-support/src/run.rs b/src/tools/run-make-support/src/run.rs index 09ad98c24517..4a6fd7c432e5 100644 --- a/src/tools/run-make-support/src/run.rs +++ b/src/tools/run-make-support/src/run.rs @@ -1,8 +1,9 @@ use std::env; +use std::ffi::OsStr; use std::path::{Path, PathBuf}; -use crate::{cwd, env_var, is_windows}; use crate::command::{Command, CompletedProcess}; +use crate::{cwd, env_var, is_windows, set_host_rpath}; use super::handle_failed_output; @@ -62,3 +63,11 @@ pub fn run_fail(name: &str) -> CompletedProcess { } output } + +/// Create a new custom Command. +/// This should be preferred to creating `std::process::Command` directly. +pub fn cmd>(program: S) -> Command { + let mut command = Command::new(program); + set_host_rpath(&mut command); + command +} diff --git a/src/tools/run-make-support/src/rustc.rs b/src/tools/run-make-support/src/rustc.rs index 9bbe30bcb2d9..d4c00d23b8b1 100644 --- a/src/tools/run-make-support/src/rustc.rs +++ b/src/tools/run-make-support/src/rustc.rs @@ -1,8 +1,8 @@ +use command::Command; use std::ffi::{OsStr, OsString}; use std::path::Path; -use command::Command; -use crate::{command, cwd, env_var, handle_failed_output, set_host_rpath}; +use crate::{command, cwd, env_var, set_host_rpath}; /// Construct a new `rustc` invocation. pub fn rustc() -> Rustc { diff --git a/src/tools/run-make-support/src/rustdoc.rs b/src/tools/run-make-support/src/rustdoc.rs index c75bb1d1196a..39a698a47b43 100644 --- a/src/tools/run-make-support/src/rustdoc.rs +++ b/src/tools/run-make-support/src/rustdoc.rs @@ -1,8 +1,8 @@ use std::ffi::OsStr; use std::path::Path; -use crate::{env_var, env_var_os, handle_failed_output, set_host_rpath}; use crate::command::Command; +use crate::{env_var, env_var_os, set_host_rpath}; /// Construct a plain `rustdoc` invocation with no flags set. pub fn bare_rustdoc() -> Rustdoc { diff --git a/tests/run-make/CURRENT_RUSTC_VERSION/rmake.rs b/tests/run-make/CURRENT_RUSTC_VERSION/rmake.rs index b56f8dd7acb2..f913aedcde75 100644 --- a/tests/run-make/CURRENT_RUSTC_VERSION/rmake.rs +++ b/tests/run-make/CURRENT_RUSTC_VERSION/rmake.rs @@ -10,14 +10,10 @@ use run_make_support::{aux_build, rustc, source_root}; fn main() { aux_build().input("stable.rs").emit("metadata").run(); - let output = rustc() - .input("main.rs") - .emit("metadata") - .extern_("stable", "libstable.rmeta") - .command_output(); + let output = + rustc().input("main.rs").emit("metadata").extern_("stable", "libstable.rmeta").run(); - let stderr = String::from_utf8_lossy(&output.stderr); let version = std::fs::read_to_string(source_root().join("src/version")).unwrap(); let expected_string = format!("stable since {}", version.trim()); - assert!(stderr.contains(&expected_string)); + output.assert_stderr_contains(expected_string); } diff --git a/tests/run-make/allow-warnings-cmdline-stability/rmake.rs b/tests/run-make/allow-warnings-cmdline-stability/rmake.rs index 8f6fe6bd0b66..22a31266176b 100644 --- a/tests/run-make/allow-warnings-cmdline-stability/rmake.rs +++ b/tests/run-make/allow-warnings-cmdline-stability/rmake.rs @@ -1,11 +1,13 @@ // Test that `-Awarnings` suppresses warnings for unstable APIs. -use run_make_support::{assert_not_contains, rustc}; +use run_make_support::rustc; fn main() { rustc().input("bar.rs").run(); - let output = rustc().input("foo.rs").arg("-Awarnings").run(); - - assert_not_contains(&String::from_utf8(output.stdout).unwrap(), "warning"); - assert_not_contains(&String::from_utf8(output.stderr).unwrap(), "warning"); + rustc() + .input("foo.rs") + .arg("-Awarnings") + .run() + .assert_stdout_not_contains("warning") + .assert_stderr_not_contains("warning"); } diff --git a/tests/run-make/compiler-builtins/rmake.rs b/tests/run-make/compiler-builtins/rmake.rs index 309d3a04b21c..a2c0ad5f6def 100644 --- a/tests/run-make/compiler-builtins/rmake.rs +++ b/tests/run-make/compiler-builtins/rmake.rs @@ -19,8 +19,7 @@ use run_make_support::object::read::Object; use run_make_support::object::ObjectSection; use run_make_support::object::ObjectSymbol; use run_make_support::object::RelocationTarget; -use run_make_support::set_host_rpath; -use run_make_support::{env_var, object}; +use run_make_support::{cmd, env_var, object}; use std::collections::HashSet; use std::path::PathBuf; @@ -35,7 +34,7 @@ fn main() { let path = env_var("PATH"); let rustc = env_var("RUSTC"); let bootstrap_cargo = env_var("BOOTSTRAP_CARGO"); - let mut cmd = std::process::Command::new(bootstrap_cargo); + let mut cmd = cmd(bootstrap_cargo); cmd.args([ "build", "--manifest-path", @@ -52,10 +51,8 @@ fn main() { // Visual Studio 2022 requires that the LIB env var be set so it can // find the Windows SDK. .env("LIB", std::env::var("LIB").unwrap_or_default()); - set_host_rpath(&mut cmd); - let status = cmd.status().unwrap(); - assert!(status.success()); + cmd.run(); let rlibs_path = target_dir.join(target).join("debug").join("deps"); let compiler_builtins_rlib = std::fs::read_dir(rlibs_path) diff --git a/tests/run-make/const-prop-lint/rmake.rs b/tests/run-make/const-prop-lint/rmake.rs index 6d0069a84d7a..c35294f2f5af 100644 --- a/tests/run-make/const-prop-lint/rmake.rs +++ b/tests/run-make/const-prop-lint/rmake.rs @@ -5,7 +5,7 @@ use std::fs; use run_make_support::{cwd, rustc}; fn main() { - rustc().input("input.rs").run_fail_assert_exit_code(1); + rustc().input("input.rs").run_fail().assert_exit_code(1); for entry in fs::read_dir(cwd()).unwrap() { let entry = entry.unwrap(); diff --git a/tests/run-make/crate-data-smoke/rmake.rs b/tests/run-make/crate-data-smoke/rmake.rs index 86fe5593e661..70f8e46b6d92 100644 --- a/tests/run-make/crate-data-smoke/rmake.rs +++ b/tests/run-make/crate-data-smoke/rmake.rs @@ -1,22 +1,21 @@ -use std::process::Output; - use run_make_support::{bin_name, rust_lib_name, rustc}; -fn compare_stdout>(output: Output, expected: S) { - assert_eq!(String::from_utf8(output.stdout).unwrap().trim(), expected.as_ref()); -} - fn main() { - compare_stdout(rustc().print("crate-name").input("crate.rs").run(), "foo"); - compare_stdout(rustc().print("file-names").input("crate.rs").run(), bin_name("foo")); - compare_stdout( - rustc().print("file-names").crate_type("lib").arg("--test").input("crate.rs").run(), - bin_name("foo"), - ); - compare_stdout( - rustc().print("file-names").arg("--test").input("lib.rs").run(), - bin_name("mylib"), - ); - compare_stdout(rustc().print("file-names").input("lib.rs").run(), rust_lib_name("mylib")); - compare_stdout(rustc().print("file-names").input("rlib.rs").run(), rust_lib_name("mylib")); + rustc().print("crate-name").input("crate.rs").run().assert_stdout_equals("foo"); + rustc().print("file-names").input("crate.rs").run().assert_stdout_equals(bin_name("foo")); + rustc() + .print("file-names") + .crate_type("lib") + .arg("--test") + .input("crate.rs") + .run() + .assert_stdout_equals(bin_name("foo")); + rustc() + .print("file-names") + .arg("--test") + .input("lib.rs") + .run() + .assert_stdout_equals(bin_name("mylib")); + rustc().print("file-names").input("lib.rs").run().assert_stdout_equals(rust_lib_name("mylib")); + rustc().print("file-names").input("rlib.rs").run().assert_stdout_equals(rust_lib_name("mylib")); } diff --git a/tests/run-make/exit-code/rmake.rs b/tests/run-make/exit-code/rmake.rs index 6bf7a232642d..f290554831db 100644 --- a/tests/run-make/exit-code/rmake.rs +++ b/tests/run-make/exit-code/rmake.rs @@ -5,21 +5,22 @@ use run_make_support::{rustc, rustdoc}; fn main() { rustc().arg("success.rs").run(); - rustc().arg("--invalid-arg-foo").run_fail_assert_exit_code(1); + rustc().arg("--invalid-arg-foo").run_fail().assert_exit_code(1); - rustc().arg("compile-error.rs").run_fail_assert_exit_code(1); + rustc().arg("compile-error.rs").run_fail().assert_exit_code(1); rustc() .env("RUSTC_ICE", "0") .arg("-Ztreat-err-as-bug") .arg("compile-error.rs") - .run_fail_assert_exit_code(101); + .run_fail() + .assert_exit_code(101); rustdoc().arg("success.rs").output("exit-code").run(); - rustdoc().arg("--invalid-arg-foo").run_fail_assert_exit_code(1); + rustdoc().arg("--invalid-arg-foo").run_fail().assert_exit_code(1); - rustdoc().arg("compile-error.rs").run_fail_assert_exit_code(1); + rustdoc().arg("compile-error.rs").run_fail().assert_exit_code(1); - rustdoc().arg("lint-failure.rs").run_fail_assert_exit_code(1); + rustdoc().arg("lint-failure.rs").run_fail().assert_exit_code(1); } diff --git a/tests/run-make/mixing-formats/rmake.rs b/tests/run-make/mixing-formats/rmake.rs index 444751419d74..9cbff94f6701 100644 --- a/tests/run-make/mixing-formats/rmake.rs +++ b/tests/run-make/mixing-formats/rmake.rs @@ -34,8 +34,8 @@ fn main() { rustc().crate_type("rlib").input("foo.rs").run(); rustc().crate_type("dylib").input("bar1.rs").arg("-Cprefer-dynamic").run(); rustc().crate_type("dylib").input("bar2.rs").arg("-Cprefer-dynamic").run(); - rustc().crate_type("dylib").input("baz2.rs").run_fail_assert_exit_code(1); - rustc().crate_type("bin").input("baz2.rs").run_fail_assert_exit_code(1); + rustc().crate_type("dylib").input("baz2.rs").run_fail().assert_exit_code(1); + rustc().crate_type("bin").input("baz2.rs").run_fail().assert_exit_code(1); }); run_in_tmpdir(|| { rustc().crate_type("rlib").input("foo.rs").run(); diff --git a/tests/run-make/no-input-file/no-input-file.stderr b/tests/run-make/no-input-file/no-input-file.stderr deleted file mode 100644 index b843eb524f3d..000000000000 --- a/tests/run-make/no-input-file/no-input-file.stderr +++ /dev/null @@ -1,2 +0,0 @@ -error: no input filename given - diff --git a/tests/run-make/no-input-file/rmake.rs b/tests/run-make/no-input-file/rmake.rs index 15e582311f09..fc558b22fb49 100644 --- a/tests/run-make/no-input-file/rmake.rs +++ b/tests/run-make/no-input-file/rmake.rs @@ -1,7 +1,9 @@ -use run_make_support::{diff, rustc}; +use run_make_support::rustc; fn main() { - let output = rustc().print("crate-name").run_fail_assert_exit_code(1); - - diff().expected_file("no-input-file.stderr").actual_text("output", output.stderr).run(); + rustc() + .print("crate-name") + .run_fail() + .assert_exit_code(1) + .assert_stderr_equals("error: no input filename given"); } diff --git a/tests/run-make/non-unicode-env/rmake.rs b/tests/run-make/non-unicode-env/rmake.rs index a4843a52efd5..ed40d7a6d7f0 100644 --- a/tests/run-make/non-unicode-env/rmake.rs +++ b/tests/run-make/non-unicode-env/rmake.rs @@ -6,7 +6,6 @@ fn main() { #[cfg(windows)] let non_unicode: std::ffi::OsString = std::os::windows::ffi::OsStringExt::from_wide(&[0xD800]); let output = rustc().input("non_unicode_env.rs").env("NON_UNICODE_VAR", non_unicode).run_fail(); - let actual = std::str::from_utf8(&output.stderr).unwrap(); let expected = std::fs::read_to_string("non_unicode_env.stderr").unwrap(); - assert_eq!(actual, expected); + output.assert_stderr_equals(expected); } diff --git a/tests/run-make/notify-all-emit-artifacts/rmake.rs b/tests/run-make/notify-all-emit-artifacts/rmake.rs index 1c2e08ca8f53..321eda489410 100644 --- a/tests/run-make/notify-all-emit-artifacts/rmake.rs +++ b/tests/run-make/notify-all-emit-artifacts/rmake.rs @@ -19,7 +19,7 @@ fn main() { .error_format("json") .incremental(cwd()) .run(); - let stderr = String::from_utf8_lossy(&output.stderr); + let stderr = output.stderr_utf8(); for file in &["lib.o", "lib.ll", "lib.bc", "lib.s"] { assert!(stderr.contains(file), "No {:?} in {:?}", file, stderr); } @@ -35,7 +35,7 @@ fn main() { .error_format("json") .incremental(cwd()) .run(); - let stderr = String::from_utf8_lossy(&output.stderr); + let stderr = output.stderr_utf8(); for file in &["rcgu.o", "rcgu.ll", "rcgu.bc", "rcgu.s"] { assert!(stderr.contains(file), "No {:?} in {:?}", file, stderr); } diff --git a/tests/run-make/print-cfg/rmake.rs b/tests/run-make/print-cfg/rmake.rs index 29cf0ba1b3fd..f382d952db47 100644 --- a/tests/run-make/print-cfg/rmake.rs +++ b/tests/run-make/print-cfg/rmake.rs @@ -83,8 +83,7 @@ fn check(PrintCfg { target, includes, disallow }: PrintCfg) { // --print=cfg { let output = rustc().target(target).print("cfg").run(); - - let stdout = String::from_utf8(output.stdout).unwrap(); + let stdout = output.stdout_utf8(); check_(&stdout, includes, disallow); } @@ -95,7 +94,7 @@ fn check(PrintCfg { target, includes, disallow }: PrintCfg) { let mut print_arg = OsString::from("--print=cfg="); print_arg.push(tmp_path.as_os_str()); - let output = rustc().target(target).arg(print_arg).run(); + rustc().target(target).arg(print_arg).run(); let output = std::fs::read_to_string(&tmp_path).unwrap(); diff --git a/tests/run-make/print-check-cfg/rmake.rs b/tests/run-make/print-check-cfg/rmake.rs index a0aa95c8abcf..f4b02b5e265b 100644 --- a/tests/run-make/print-check-cfg/rmake.rs +++ b/tests/run-make/print-check-cfg/rmake.rs @@ -93,7 +93,7 @@ fn check(CheckCfg { args, contains }: CheckCfg) { .args(&*args) .run(); - let stdout = String::from_utf8(output.stdout).unwrap(); + let stdout = output.stdout_utf8(); let mut found = HashSet::::new(); diff --git a/tests/run-make/print-native-static-libs/rmake.rs b/tests/run-make/print-native-static-libs/rmake.rs index edb85d568c67..b4e7c0e17ff8 100644 --- a/tests/run-make/print-native-static-libs/rmake.rs +++ b/tests/run-make/print-native-static-libs/rmake.rs @@ -30,9 +30,7 @@ fn main() { .run(); let mut found_note = false; - for l in output.stderr.lines() { - let l = l.expect("utf-8 string"); - + for l in output.stderr_utf8().lines() { let Some(args) = l.strip_prefix("note: native-static-libs:") else { continue; }; diff --git a/tests/run-make/print-to-output/rmake.rs b/tests/run-make/print-to-output/rmake.rs index b3f77e0633c4..ff5e6cacf4fa 100644 --- a/tests/run-make/print-to-output/rmake.rs +++ b/tests/run-make/print-to-output/rmake.rs @@ -39,11 +39,7 @@ fn check(args: Option) { } // --print={option} - let stdout = { - let output = rustc().target(args.target).print(args.option).run(); - - String::from_utf8(output.stdout).unwrap() - }; + let stdout = rustc().target(args.target).print(args.option).run().stdout_utf8(); // --print={option}=PATH let output = { @@ -51,7 +47,7 @@ fn check(args: Option) { let mut print_arg = OsString::from(format!("--print={}=", args.option)); print_arg.push(tmp_path.as_os_str()); - let _output = rustc().target(args.target).arg(print_arg).run(); + rustc().target(args.target).arg(print_arg).run(); std::fs::read_to_string(&tmp_path).unwrap() }; diff --git a/tests/run-make/rust-lld-by-default/rmake.rs b/tests/run-make/rust-lld-by-default/rmake.rs index 8ab16394a915..5b065f86f53f 100644 --- a/tests/run-make/rust-lld-by-default/rmake.rs +++ b/tests/run-make/rust-lld-by-default/rmake.rs @@ -17,9 +17,9 @@ fn main() { .input("main.rs") .run(); assert!( - find_lld_version_in_logs(&output), + find_lld_version_in_logs(output.stderr_utf8()), "the LLD version string should be present in the output logs:\n{}", - std::str::from_utf8(&output.stderr).unwrap() + output.stderr_utf8() ); // But it can still be disabled by turning the linker feature off. @@ -30,14 +30,13 @@ fn main() { .input("main.rs") .run(); assert!( - !find_lld_version_in_logs(&output), + !find_lld_version_in_logs(output.stderr_utf8()), "the LLD version string should not be present in the output logs:\n{}", - std::str::from_utf8(&output.stderr).unwrap() + output.stderr_utf8() ); } -fn find_lld_version_in_logs(output: &Output) -> bool { +fn find_lld_version_in_logs(stderr: String) -> bool { let lld_version_re = Regex::new(r"^LLD [0-9]+\.[0-9]+\.[0-9]+").unwrap(); - let stderr = std::str::from_utf8(&output.stderr).unwrap(); stderr.lines().any(|line| lld_version_re.is_match(line.trim())) } diff --git a/tests/run-make/rust-lld-custom-target/rmake.rs b/tests/run-make/rust-lld-custom-target/rmake.rs index e6c4a321d000..f3dc2275f625 100644 --- a/tests/run-make/rust-lld-custom-target/rmake.rs +++ b/tests/run-make/rust-lld-custom-target/rmake.rs @@ -23,9 +23,9 @@ fn main() { .input("lib.rs") .run(); assert!( - find_lld_version_in_logs(&output), + find_lld_version_in_logs(output.stderr_utf8()), "the LLD version string should be present in the output logs:\n{}", - std::str::from_utf8(&output.stderr).unwrap() + output.stderr_utf8() ); // But it can also be disabled via linker features. @@ -38,14 +38,13 @@ fn main() { .input("lib.rs") .run(); assert!( - !find_lld_version_in_logs(&output), + !find_lld_version_in_logs(output.stderr_utf8()), "the LLD version string should not be present in the output logs:\n{}", - std::str::from_utf8(&output.stderr).unwrap() + output.stderr_utf8() ); } -fn find_lld_version_in_logs(output: &Output) -> bool { +fn find_lld_version_in_logs(stderr: String) -> bool { let lld_version_re = Regex::new(r"^LLD [0-9]+\.[0-9]+\.[0-9]+").unwrap(); - let stderr = std::str::from_utf8(&output.stderr).unwrap(); stderr.lines().any(|line| lld_version_re.is_match(line.trim())) } diff --git a/tests/run-make/rust-lld/rmake.rs b/tests/run-make/rust-lld/rmake.rs index a74e858045d4..3eb60367c7f9 100644 --- a/tests/run-make/rust-lld/rmake.rs +++ b/tests/run-make/rust-lld/rmake.rs @@ -21,9 +21,9 @@ fn main() { .input("main.rs") .run(); assert!( - find_lld_version_in_logs(&output), + find_lld_version_in_logs(output.stderr_utf8()), "the LLD version string should be present in the output logs:\n{}", - std::str::from_utf8(&output.stderr).unwrap() + output.stderr_utf8() ); // It should not be used when we explictly opt-out of lld. @@ -34,9 +34,9 @@ fn main() { .input("main.rs") .run(); assert!( - !find_lld_version_in_logs(&output), + !find_lld_version_in_logs(output.stderr_utf8()), "the LLD version string should not be present in the output logs:\n{}", - std::str::from_utf8(&output.stderr).unwrap() + output.stderr_utf8() ); // While we're here, also check that the last linker feature flag "wins" when passed multiple @@ -52,14 +52,13 @@ fn main() { .input("main.rs") .run(); assert!( - find_lld_version_in_logs(&output), + find_lld_version_in_logs(output.stderr_utf8()), "the LLD version string should be present in the output logs:\n{}", - std::str::from_utf8(&output.stderr).unwrap() + output.stderr_utf8() ); } -fn find_lld_version_in_logs(output: &Output) -> bool { +fn find_lld_version_in_logs(stderr: String) -> bool { let lld_version_re = Regex::new(r"^LLD [0-9]+\.[0-9]+\.[0-9]+").unwrap(); - let stderr = std::str::from_utf8(&output.stderr).unwrap(); stderr.lines().any(|line| lld_version_re.is_match(line.trim())) } diff --git a/tests/run-make/rustdoc-error-lines/rmake.rs b/tests/run-make/rustdoc-error-lines/rmake.rs index db6e28e4feb7..ea5ec2faed95 100644 --- a/tests/run-make/rustdoc-error-lines/rmake.rs +++ b/tests/run-make/rustdoc-error-lines/rmake.rs @@ -4,9 +4,7 @@ use run_make_support::rustdoc; fn main() { - let output = - String::from_utf8(rustdoc().input("input.rs").arg("--test").command_output().stdout) - .unwrap(); + let output = rustdoc().input("input.rs").arg("--test").run_fail().stdout_utf8(); let should_contain = &[ "input.rs - foo (line 5)", diff --git a/tests/run-make/rustdoc-scrape-examples-macros/rmake.rs b/tests/run-make/rustdoc-scrape-examples-macros/rmake.rs index a6d08f28cda3..c9650def347d 100644 --- a/tests/run-make/rustdoc-scrape-examples-macros/rmake.rs +++ b/tests/run-make/rustdoc-scrape-examples-macros/rmake.rs @@ -8,17 +8,14 @@ fn main() { let proc_crate_name = "foobar_macro"; let crate_name = "foobar"; - let dylib_name = String::from_utf8( - rustc() - .crate_name(proc_crate_name) - .crate_type("dylib") - .arg("--print") - .arg("file-names") - .arg("-") - .command_output() - .stdout, - ) - .unwrap(); + let dylib_name = rustc() + .crate_name(proc_crate_name) + .crate_type("dylib") + .arg("--print") + .arg("file-names") + .arg("-") + .run() + .stdout_utf8(); rustc() .input("src/proc.rs") diff --git a/tests/run-make/rustdoc-shared-flags/rmake.rs b/tests/run-make/rustdoc-shared-flags/rmake.rs index 2db613f78176..d9a16d78a342 100644 --- a/tests/run-make/rustdoc-shared-flags/rmake.rs +++ b/tests/run-make/rustdoc-shared-flags/rmake.rs @@ -1,8 +1,8 @@ use run_make_support::{rustc, rustdoc, Diff}; fn compare_outputs(args: &[&str]) { - let rustc_output = String::from_utf8(rustc().args(args).command_output().stdout).unwrap(); - let rustdoc_output = String::from_utf8(rustdoc().args(args).command_output().stdout).unwrap(); + let rustc_output = rustc().args(args).run().stdout_utf8(); + let rustdoc_output = rustdoc().args(args).run().stdout_utf8(); Diff::new().expected_text("rustc", rustc_output).actual_text("rustdoc", rustdoc_output).run(); } diff --git a/tests/run-make/stdin-rustc/rmake.rs b/tests/run-make/stdin-rustc/rmake.rs index 1869b1dcb8c0..d599f813563c 100644 --- a/tests/run-make/stdin-rustc/rmake.rs +++ b/tests/run-make/stdin-rustc/rmake.rs @@ -21,7 +21,7 @@ fn main() { ); // echo $NOT_UTF8 | rustc - - let output = rustc().arg("-").stdin(NOT_UTF8).run_fail(); - let stderr = String::from_utf8(output.stderr).unwrap(); - assert!(stderr.contains("error: couldn't read from stdin, as it did not contain valid UTF-8")); + rustc().arg("-").stdin(NOT_UTF8).run_fail().assert_stderr_contains( + "error: couldn't read from stdin, as it did not contain valid UTF-8", + ); } From e7409d2130b3065169ab3933fb7fb515ef0303a6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E8=AE=B8=E6=9D=B0=E5=8F=8B=20Jieyou=20Xu=20=28Joe=29?= Date: Thu, 6 Jun 2024 17:14:51 +0000 Subject: [PATCH 1201/1716] run-make: add some basic docs about the test suite's setup --- tests/run-make/README.md | 43 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 tests/run-make/README.md diff --git a/tests/run-make/README.md b/tests/run-make/README.md new file mode 100644 index 000000000000..a6c1b4b7db76 --- /dev/null +++ b/tests/run-make/README.md @@ -0,0 +1,43 @@ +# The `run-make` test suite + +The `run-make` test suite contains tests which are the most flexible out of all +the [rust-lang/rust](https://github.com/rust-lang/rust) test suites. `run-make` +tests can basically contain arbitrary code, and are supported by the +[`run_make_support`] library. + +## Infrastructure + +There are two kinds of run-make tests: + +1. The new `rmake.rs` version: this allows run-make tests to be written in Rust + (with `rmake.rs` as the main test file). +2. The legacy `Makefile` version: this is what run-make tests were written with + before support for `rmake.rs` was introduced. + +The implementation for collecting and building the `rmake.rs` recipes (or +`Makefile`s) are in +[`src/tools/compiletest/src/runtest.rs`](../../src/tools/compiletest/src/runtest.rs), +in `run_rmake_v2_test` and `run_rmake_legacy_test`. + +### Rust-based `run-make` tests: `rmake.rs` + +The setup for the `rmake.rs` version is a 3-stage process: + +1. First, we build the [`run_make_support`] library in bootstrap as a tool lib. +2. Then, we compile the `rmake.rs` "recipe" linking the support library and its + dependencies in, and provide a bunch of env vars. We setup a directory + structure within `build//test/run-make/` + + ``` + / + rmake.exe # recipe binary + rmake_out/ # sources from test sources copied over + ``` + + and copy non-`rmake.rs` input support files over to `rmake_out/`. The + support library is made available as an [*extern prelude*][extern_prelude]. +3. Finally, we run the recipe binary and set `rmake_out/` as the working + directory. + +[`run_make_support`]: ../../src/tools/run-make-support +[extern_prelude]: https://doc.rust-lang.org/reference/names/preludes.html#extern-prelude From 9cd6c3244577b21b60d30711aa976333ef05bea0 Mon Sep 17 00:00:00 2001 From: Nikita Popov Date: Sat, 8 Jun 2024 21:25:49 +0200 Subject: [PATCH 1202/1716] Don't disable codegen tests in PR CI --- src/ci/docker/scripts/x86_64-gnu-llvm.sh | 16 ++-------------- 1 file changed, 2 insertions(+), 14 deletions(-) diff --git a/src/ci/docker/scripts/x86_64-gnu-llvm.sh b/src/ci/docker/scripts/x86_64-gnu-llvm.sh index 876b300d35c6..b3921f114217 100755 --- a/src/ci/docker/scripts/x86_64-gnu-llvm.sh +++ b/src/ci/docker/scripts/x86_64-gnu-llvm.sh @@ -4,13 +4,7 @@ set -ex # Only run the stage 1 tests on merges, not on PR CI jobs. if [[ -z "${PR_CI_JOB}" ]]; then - # When running gcc backend tests, we need to install `libgccjit` and to not run llvm codegen - # tests as it will fail them. - if [[ "${ENABLE_GCC_CODEGEN}" == "1" ]]; then - ../x.py --stage 1 test --skip src/tools/tidy --skip tests/codegen - else - ../x.py --stage 1 test --skip src/tools/tidy - fi + ../x.py --stage 1 test --skip src/tools/tidy # Run the `mir-opt` tests again but this time for a 32-bit target. # This enforces that tests using `// EMIT_MIR_FOR_EACH_BIT_WIDTH` have @@ -29,14 +23,8 @@ if [[ -z "${PR_CI_JOB}" ]]; then --rustc-args "--cfg feature=\"optimize_for_size\"" fi -# When running gcc backend tests, we need to install `libgccjit` and to not run llvm codegen -# tests as it will fail them. # NOTE: intentionally uses all of `x.py`, `x`, and `x.ps1` to make sure they all work on Linux. -if [[ "${ENABLE_GCC_CODEGEN}" == "1" ]]; then - ../x.py --stage 2 test --skip src/tools/tidy --skip tests/codegen -else - ../x.py --stage 2 test --skip src/tools/tidy -fi +../x.py --stage 2 test --skip src/tools/tidy # Run the `mir-opt` tests again but this time for a 32-bit target. # This enforces that tests using `// EMIT_MIR_FOR_EACH_BIT_WIDTH` have From 2f2031d2b22d64d015625db2dd11e44e7ab37091 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sat, 8 Jun 2024 18:05:44 +0200 Subject: [PATCH 1203/1716] simd packed types: update outdated check, extend codegen test --- compiler/rustc_codegen_llvm/src/intrinsic.rs | 10 +++++---- tests/codegen/simd/packed-simd.rs | 23 ++++++++++++++++---- 2 files changed, 25 insertions(+), 8 deletions(-) diff --git a/compiler/rustc_codegen_llvm/src/intrinsic.rs b/compiler/rustc_codegen_llvm/src/intrinsic.rs index 7b1038d56176..ad4e753fe9d7 100644 --- a/compiler/rustc_codegen_llvm/src/intrinsic.rs +++ b/compiler/rustc_codegen_llvm/src/intrinsic.rs @@ -1109,10 +1109,12 @@ fn generic_simd_intrinsic<'ll, 'tcx>( tcx.normalize_erasing_late_bound_regions(ty::ParamEnv::reveal_all(), callee_ty.fn_sig(tcx)); let arg_tys = sig.inputs(); - // Vectors must be immediates (non-power-of-2 #[repr(packed)] are not) - for (ty, arg) in arg_tys.iter().zip(args) { - if ty.is_simd() && !matches!(arg.val, OperandValue::Immediate(_)) { - return_error!(InvalidMonomorphization::SimdArgument { span, name, ty: *ty }); + // Sanity-check: all vector arguments must be immediates. + if cfg!(debug_assertions) { + for (ty, arg) in arg_tys.iter().zip(args) { + if ty.is_simd() { + assert!(matches!(arg.val, OperandValue::Immediate(_))); + } } } diff --git a/tests/codegen/simd/packed-simd.rs b/tests/codegen/simd/packed-simd.rs index f0911b6e3602..1df09c96e6cc 100644 --- a/tests/codegen/simd/packed-simd.rs +++ b/tests/codegen/simd/packed-simd.rs @@ -9,10 +9,11 @@ use core::intrinsics::simd as intrinsics; use core::{mem, ptr}; // Test codegen for not only "packed" but also "fully aligned" SIMD types, and conversion between -// A repr(packed,simd) type with 3 elements can't exceed its element alignment, -// whereas the same type as repr(simd) will instead have padding. +// them. A repr(packed,simd) type with 3 elements can't exceed its element alignment, whereas the +// same type as repr(simd) will instead have padding. #[repr(simd, packed)] +#[derive(Copy, Clone)] pub struct Simd([T; N]); #[repr(simd)] @@ -28,11 +29,11 @@ fn load(v: Simd) -> FullSimd { } } -// CHECK-LABEL: square_packed +// CHECK-LABEL: square_packed_full // CHECK-SAME: ptr{{[a-z_ ]*}} sret([[RET_TYPE:[^)]+]]) [[RET_ALIGN:align (8|16)]]{{[^%]*}} [[RET_VREG:%[_0-9]*]] // CHECK-SAME: ptr{{[a-z_ ]*}} align 4 #[no_mangle] -pub fn square_packed(x: Simd) -> FullSimd { +pub fn square_packed_full(x: Simd) -> FullSimd { // CHECK-NEXT: start // noopt: alloca [[RET_TYPE]], [[RET_ALIGN]] // CHECK: load <3 x float> @@ -42,3 +43,17 @@ pub fn square_packed(x: Simd) -> FullSimd { // CHECK-NEXT: ret void unsafe { intrinsics::simd_mul(x, x) } } + +// CHECK-LABEL: square_packed +// CHECK-SAME: ptr{{[a-z_ ]*}} sret([[RET_TYPE:[^)]+]]) [[RET_ALIGN:align 4]]{{[^%]*}} [[RET_VREG:%[_0-9]*]] +// CHECK-SAME: ptr{{[a-z_ ]*}} align 4 +#[no_mangle] +pub fn square_packed(x: Simd) -> Simd { + // CHECK-NEXT: start + // CHECK-NEXT: load <3 x float> + // noopt-NEXT: load <3 x float> + // CHECK-NEXT: [[VREG:%[a-z0-9_]+]] = fmul <3 x float> + // CHECK-NEXT: store <3 x float> [[VREG]], ptr [[RET_VREG]], [[RET_ALIGN]] + // CHECK-NEXT: ret void + unsafe { intrinsics::simd_mul(x, x) } +} From 1ae0053d97a1efc5293aa7143376eda52f7ffb28 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sat, 8 Jun 2024 21:41:46 +0200 Subject: [PATCH 1204/1716] Preparing for merge from rustc --- src/tools/miri/rust-version | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/miri/rust-version b/src/tools/miri/rust-version index 8d038c0f7882..0f738653b14a 100644 --- a/src/tools/miri/rust-version +++ b/src/tools/miri/rust-version @@ -1 +1 @@ -76e7a0849c07d73e4d9afde8036ee8c450127cc8 +565cadb514d35e7b851540edbc172af0f606014f From 1ade7cbe4185bcd302b3774b00c0b4011f43d165 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Sat, 8 Jun 2024 23:25:43 +0200 Subject: [PATCH 1205/1716] Use --quiet flag when installing pip dependencies --- src/tools/tidy/src/ext_tool_checks.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/tidy/src/ext_tool_checks.rs b/src/tools/tidy/src/ext_tool_checks.rs index 40e75d1d3fac..2c97a39f1008 100644 --- a/src/tools/tidy/src/ext_tool_checks.rs +++ b/src/tools/tidy/src/ext_tool_checks.rs @@ -320,7 +320,7 @@ fn install_requirements( } let stat = Command::new(py_path) - .args(["-m", "pip", "install", "--require-hashes", "-r"]) + .args(["-m", "pip", "install", "--quiet", "--require-hashes", "-r"]) .arg(src_reqs_path) .status()?; if !stat.success() { From b8e734a8ca552eadaf45d62d9ea2a98364c6e957 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Fri, 7 Jun 2024 16:33:35 +1000 Subject: [PATCH 1206/1716] Identify run-make tests by mode name instead of suite name --- src/bootstrap/src/core/build_steps/test.rs | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/src/bootstrap/src/core/build_steps/test.rs b/src/bootstrap/src/core/build_steps/test.rs index aaedee65ed75..38eabfb5945f 100644 --- a/src/bootstrap/src/core/build_steps/test.rs +++ b/src/bootstrap/src/core/build_steps/test.rs @@ -1973,9 +1973,7 @@ NOTE: if you're sure you want to do this, please open an issue as to why. In the add_link_lib_path(vec![llvm_libdir.trim().into()], &mut cmd); } - if !builder.config.dry_run() - && (matches!(suite, "run-make" | "run-make-fulldeps") || mode == "coverage-run") - { + if !builder.config.dry_run() && matches!(mode, "run-make" | "coverage-run") { // The llvm/bin directory contains many useful cross-platform // tools. Pass the path to run-make tests so they can use them. // (The coverage-run tests also need these tools to process @@ -1987,7 +1985,7 @@ NOTE: if you're sure you want to do this, please open an issue as to why. In the cmd.arg("--llvm-bin-dir").arg(llvm_bin_path); } - if !builder.config.dry_run() && matches!(suite, "run-make" | "run-make-fulldeps") { + if !builder.config.dry_run() && mode == "run-make" { // If LLD is available, add it to the PATH if builder.config.lld_enabled { let lld_install_root = @@ -2007,7 +2005,7 @@ NOTE: if you're sure you want to do this, please open an issue as to why. In the // Only pass correct values for these flags for the `run-make` suite as it // requires that a C++ compiler was configured which isn't always the case. - if !builder.config.dry_run() && matches!(suite, "run-make" | "run-make-fulldeps") { + if !builder.config.dry_run() && mode == "run-make" { cmd.arg("--cc") .arg(builder.cc(target)) .arg("--cxx") From 92a56ff2919df7ad58d410be1629903b65283db9 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Fri, 7 Jun 2024 16:43:26 +1000 Subject: [PATCH 1207/1716] Remove useless feature gate test for `#[feature(extern_prelude)]` This test never actually checked anything useful, so presumably it only existed to silence the tidy check for feature gate tests, with the real checks being performed elsewhere (in tests that have since been deleted). --- tests/ui/feature-gates/feature-gate-extern_prelude.rs | 1 - tests/ui/feature-gates/feature-gate-extern_prelude.stderr | 8 -------- 2 files changed, 9 deletions(-) delete mode 100644 tests/ui/feature-gates/feature-gate-extern_prelude.rs delete mode 100644 tests/ui/feature-gates/feature-gate-extern_prelude.stderr diff --git a/tests/ui/feature-gates/feature-gate-extern_prelude.rs b/tests/ui/feature-gates/feature-gate-extern_prelude.rs deleted file mode 100644 index 237099e79010..000000000000 --- a/tests/ui/feature-gates/feature-gate-extern_prelude.rs +++ /dev/null @@ -1 +0,0 @@ -can-only-test-this-in-run-make-fulldeps //~ ERROR expected one of `!` or `::`, found `-` diff --git a/tests/ui/feature-gates/feature-gate-extern_prelude.stderr b/tests/ui/feature-gates/feature-gate-extern_prelude.stderr deleted file mode 100644 index 3b0ffae86965..000000000000 --- a/tests/ui/feature-gates/feature-gate-extern_prelude.stderr +++ /dev/null @@ -1,8 +0,0 @@ -error: expected one of `!` or `::`, found `-` - --> $DIR/feature-gate-extern_prelude.rs:1:4 - | -LL | can-only-test-this-in-run-make-fulldeps - | ^ expected one of `!` or `::` - -error: aborting due to 1 previous error - From 0f8c3adc687a727fe1cbb4f3e83d68cec95b2ace Mon Sep 17 00:00:00 2001 From: Zalathar Date: Sun, 9 Jun 2024 13:02:05 +1000 Subject: [PATCH 1208/1716] Make job `x86_64-gnu-debug` run a subset of run-make tests It looks like this job was intending to run all of the `needs-matching-clang` tests (since they don't run without `RUSTBUILD_FORCE_CLANG_BASED_TESTS`), but over time developed two problems: - The tests it cares about were moved from run-make-fulldeps to run-make. - Some of the relevant tests don't actually have "clang" in their name. Switching to run-make solves the first problem, but we still don't run the tests without "clang" in their name, because some of them are currently broken. --- src/ci/docker/host-x86_64/x86_64-gnu-debug/Dockerfile | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/src/ci/docker/host-x86_64/x86_64-gnu-debug/Dockerfile b/src/ci/docker/host-x86_64/x86_64-gnu-debug/Dockerfile index e4534d0f8408..64a1fb093b49 100644 --- a/src/ci/docker/host-x86_64/x86_64-gnu-debug/Dockerfile +++ b/src/ci/docker/host-x86_64/x86_64-gnu-debug/Dockerfile @@ -44,6 +44,14 @@ ENV RUST_CONFIGURE_ARGS \ --set target.x86_64-unknown-linux-gnu.cc=clang \ --set target.x86_64-unknown-linux-gnu.cxx=clang++ +# This job appears to be checking two separate things: +# - That we can build the compiler with `--enable-debug` +# (without necessarily testing the result). +# - That the tests with `//@ needs-matching-clang` pass, since they +# don't run by default unless RUSTBUILD_FORCE_CLANG_BASED_TESTS is set. +# - FIXME(https://github.com/rust-lang/rust/pull/126155#issuecomment-2156314273): +# Currently we only run the subset of tests with "clang" in their name. + ENV SCRIPT \ python3 ../x.py --stage 2 build && \ - python3 ../x.py --stage 2 test tests/run-make-fulldeps --test-args clang + python3 ../x.py --stage 2 test tests/run-make --test-args clang From 5223bf4474b02bd6925c5b516a8a0efd5ec4ec20 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Wed, 5 Jun 2024 21:54:55 +1000 Subject: [PATCH 1209/1716] Remove empty test suite `tests/run-make-fulldeps` --- src/bootstrap/src/core/build_steps/test.rs | 6 ------ src/bootstrap/src/core/builder.rs | 2 -- src/ci/github-actions/jobs.yml | 4 ++-- src/doc/rustc/src/platform-support/nto-qnx.md | 3 +-- tests/run-make-fulldeps/README.md | 4 ---- 5 files changed, 3 insertions(+), 16 deletions(-) delete mode 100644 tests/run-make-fulldeps/README.md diff --git a/src/bootstrap/src/core/build_steps/test.rs b/src/bootstrap/src/core/build_steps/test.rs index 38eabfb5945f..fb7b40b73212 100644 --- a/src/bootstrap/src/core/build_steps/test.rs +++ b/src/bootstrap/src/core/build_steps/test.rs @@ -1487,12 +1487,6 @@ impl Step for RunMake { } } -host_test!(RunMakeFullDeps { - path: "tests/run-make-fulldeps", - mode: "run-make", - suite: "run-make-fulldeps" -}); - default_test!(Assembly { path: "tests/assembly", mode: "assembly", suite: "assembly" }); /// Coverage tests are a bit more complicated than other test suites, because diff --git a/src/bootstrap/src/core/builder.rs b/src/bootstrap/src/core/builder.rs index b3d8465cda98..7189cd695fa7 100644 --- a/src/bootstrap/src/core/builder.rs +++ b/src/bootstrap/src/core/builder.rs @@ -332,7 +332,6 @@ const PATH_REMAP: &[(&str, &[&str])] = &[ "tests/mir-opt", "tests/pretty", "tests/run-make", - "tests/run-make-fulldeps", "tests/run-pass-valgrind", "tests/rustdoc", "tests/rustdoc-gui", @@ -828,7 +827,6 @@ impl<'a> Builder<'a> { test::RustAnalyzer, test::ErrorIndex, test::Distcheck, - test::RunMakeFullDeps, test::Nomicon, test::Reference, test::RustdocBook, diff --git a/src/ci/github-actions/jobs.yml b/src/ci/github-actions/jobs.yml index 8c84e721f5de..48c39d2c33e5 100644 --- a/src/ci/github-actions/jobs.yml +++ b/src/ci/github-actions/jobs.yml @@ -37,7 +37,7 @@ runners: envs: env-x86_64-apple-tests: &env-x86_64-apple-tests - SCRIPT: ./x.py --stage 2 test --skip tests/ui --skip tests/rustdoc --skip tests/run-make-fulldeps + SCRIPT: ./x.py --stage 2 test --skip tests/ui --skip tests/rustdoc RUST_CONFIGURE_ARGS: --build=x86_64-apple-darwin --enable-sanitizers --enable-profiler --set rust.jemalloc RUSTC_RETRY_LINKER_ON_SEGFAULT: 1 MACOSX_DEPLOYMENT_TARGET: 10.12 @@ -294,7 +294,7 @@ auto: - image: x86_64-apple-2 env: - SCRIPT: ./x.py --stage 2 test tests/ui tests/rustdoc tests/run-make-fulldeps + SCRIPT: ./x.py --stage 2 test tests/ui tests/rustdoc <<: *env-x86_64-apple-tests <<: *job-macos-xl diff --git a/src/doc/rustc/src/platform-support/nto-qnx.md b/src/doc/rustc/src/platform-support/nto-qnx.md index 56070c2ec34e..51a397a38d20 100644 --- a/src/doc/rustc/src/platform-support/nto-qnx.md +++ b/src/doc/rustc/src/platform-support/nto-qnx.md @@ -160,8 +160,7 @@ export exclude_tests=' --exclude src/tools/linkchecker --exclude tests/ui-fulldeps --exclude rustc - --exclude rustdoc - --exclude tests/run-make-fulldeps' + --exclude rustdoc' env $build_env \ ./x.py test \ diff --git a/tests/run-make-fulldeps/README.md b/tests/run-make-fulldeps/README.md deleted file mode 100644 index dd1788390220..000000000000 --- a/tests/run-make-fulldeps/README.md +++ /dev/null @@ -1,4 +0,0 @@ -If this directory is empty, Git won't create it, and compiletest will complain -that it can't find a nonexistent test suite directory. - -FIXME(#126111): Remove `run-make-fulldeps` from bootstrap. From 9d85dfc3e652d38b986e4f0f21318f5f2d748bd4 Mon Sep 17 00:00:00 2001 From: clubby789 Date: Sat, 8 Jun 2024 20:18:31 +0100 Subject: [PATCH 1210/1716] Update `icu4x` dependencies --- Cargo.lock | 68 ++++++++++++------------ src/tools/clippy/tests/ui/unicode.stderr | 2 +- src/tools/tidy/src/deps.rs | 33 +----------- 3 files changed, 37 insertions(+), 66 deletions(-) diff --git a/Cargo.lock b/Cargo.lock index 54b1bf593e0a..52448e154c12 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -1800,9 +1800,9 @@ dependencies = [ [[package]] name = "icu_list" -version = "1.4.0" +version = "1.5.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "fe6c04ec71ad1bacdbfb47164d4801f80a0533d9340f94f1a880f521eff59f54" +checksum = "bbfeda1d7775b6548edd4e8b7562304a559a91ed56ab56e18961a053f367c365" dependencies = [ "displaydoc", "icu_list_data", @@ -1814,15 +1814,15 @@ dependencies = [ [[package]] name = "icu_list_data" -version = "1.4.0" +version = "1.5.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "42f6afcf7a9a7fedece70b7f17d7a7ecdfb8df145d37ae46d0277cd1e3932532" +checksum = "e1825170d2c6679cb20dbd96a589d034e49f698aed9a2ef4fafc9a0101ed298f" [[package]] name = "icu_locid" -version = "1.4.0" +version = "1.5.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "5c0aa2536adc14c07e2a521e95512b75ed8ef832f0fdf9299d4a0a45d2be2a9d" +checksum = "13acbb8371917fc971be86fc8057c41a64b521c184808a698c02acc242dbf637" dependencies = [ "displaydoc", "litemap", @@ -1833,9 +1833,9 @@ dependencies = [ [[package]] name = "icu_locid_transform" -version = "1.4.0" +version = "1.5.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "57c17d8f6524fdca4471101dd71f0a132eb6382b5d6d7f2970441cb25f6f435a" +checksum = "01d11ac35de8e40fdeda00d9e1e9d92525f3f9d887cdd7aa81d727596788b54e" dependencies = [ "displaydoc", "icu_locid", @@ -1847,15 +1847,15 @@ dependencies = [ [[package]] name = "icu_locid_transform_data" -version = "1.4.0" +version = "1.5.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "545c6c3e8bf9580e2dafee8de6f9ec14826aaf359787789c7724f1f85f47d3dc" +checksum = "fdc8ff3388f852bede6b579ad4e978ab004f139284d7b28715f773507b946f6e" [[package]] name = "icu_provider" -version = "1.4.0" +version = "1.5.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ba58e782287eb6950247abbf11719f83f5d4e4a5c1f2cd490d30a334bc47c2f4" +checksum = "6ed421c8a8ef78d3e2dbc98a973be2f3770cb42b606e3ab18d6237c4dfde68d9" dependencies = [ "displaydoc", "icu_locid", @@ -1870,9 +1870,9 @@ dependencies = [ [[package]] name = "icu_provider_adapters" -version = "1.4.0" +version = "1.5.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "a229f978260da7c3aabb68cb7dc7316589936680570fe55e50fdd3f97711a4dd" +checksum = "d6324dfd08348a8e0374a447ebd334044d766b1839bb8d5ccf2482a99a77c0bc" dependencies = [ "icu_locid", "icu_locid_transform", @@ -1883,9 +1883,9 @@ dependencies = [ [[package]] name = "icu_provider_macros" -version = "1.4.0" +version = "1.5.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d2abdd3a62551e8337af119c5899e600ca0c88ec8f23a46c60ba216c803dcf1a" +checksum = "1ec89e9337638ecdc08744df490b221a7399bf8d164eb52a665454e60e075ad6" dependencies = [ "proc-macro2", "quote", @@ -2252,9 +2252,9 @@ checksum = "78b3ae25bc7c8c38cec158d1f2757ee79e9b3740fbc7ccf0e59e4b08d793fa89" [[package]] name = "litemap" -version = "0.7.2" +version = "0.7.3" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "f9d642685b028806386b2b6e75685faadd3eb65a85fff7df711ce18446a422da" +checksum = "643cb0b8d4fcc284004d5fd0d67ccf61dfffadb7f75e1e71bc420f4688a3a704" [[package]] name = "lld-wrapper" @@ -5744,9 +5744,9 @@ dependencies = [ [[package]] name = "tinystr" -version = "0.7.5" +version = "0.7.6" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "83c02bf3c538ab32ba913408224323915f4ef9a6d61c0e85d493f355921c0ece" +checksum = "9117f5d4db391c1cf6927e7bea3db74b9a1c1add8f7eda9ffd5364f40f57b82f" dependencies = [ "displaydoc", "zerovec", @@ -6585,9 +6585,9 @@ dependencies = [ [[package]] name = "writeable" -version = "0.5.4" +version = "0.5.5" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "dad7bb64b8ef9c0aa27b6da38b452b0ee9fd82beaf276a87dd796fb55cbae14e" +checksum = "1e9df38ee2d2c3c5948ea468a8406ff0db0b29ae1ffde1bcf20ef305bcc95c51" [[package]] name = "xattr" @@ -6635,9 +6635,9 @@ dependencies = [ [[package]] name = "yoke" -version = "0.7.3" +version = "0.7.4" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "65e71b2e4f287f467794c671e2b8f8a5f3716b3c829079a1c44740148eff07e4" +checksum = "6c5b1314b079b0930c31e3af543d8ee1757b1951ae1e1565ec704403a7240ca5" dependencies = [ "serde", "stable_deref_trait", @@ -6647,9 +6647,9 @@ dependencies = [ [[package]] name = "yoke-derive" -version = "0.7.3" +version = "0.7.4" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "9e6936f0cce458098a201c245a11bef556c6a0181129c7034d10d76d1ec3a2b8" +checksum = "28cc31741b18cb6f1d5ff12f5b7523e3d6eb0852bbbad19d73905511d9849b95" dependencies = [ "proc-macro2", "quote", @@ -6679,18 +6679,18 @@ dependencies = [ [[package]] name = "zerofrom" -version = "0.1.3" +version = "0.1.4" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "655b0814c5c0b19ade497851070c640773304939a6c0fd5f5fb43da0696d05b7" +checksum = "91ec111ce797d0e0784a1116d0ddcdbea84322cd79e5d5ad173daeba4f93ab55" dependencies = [ "zerofrom-derive", ] [[package]] name = "zerofrom-derive" -version = "0.1.3" +version = "0.1.4" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "e6a647510471d372f2e6c2e6b7219e44d8c574d24fdc11c610a61455782f18c3" +checksum = "0ea7b4a3637ea8669cedf0f1fd5c286a17f3de97b8dd5a70a6c167a1730e63a5" dependencies = [ "proc-macro2", "quote", @@ -6700,9 +6700,9 @@ dependencies = [ [[package]] name = "zerovec" -version = "0.10.1" +version = "0.10.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "eff4439ae91fb5c72b8abc12f3f2dbf51bd27e6eadb9f8a5bc8898dddb0e27ea" +checksum = "bb2cc8827d6c0994478a15c53f374f46fbd41bea663d809b14744bc42e6b109c" dependencies = [ "yoke", "zerofrom", @@ -6711,9 +6711,9 @@ dependencies = [ [[package]] name = "zerovec-derive" -version = "0.10.1" +version = "0.10.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "7b4e5997cbf58990550ef1f0e5124a05e47e1ebd33a84af25739be6031a62c20" +checksum = "97cf56601ee5052b4417d90c8755c6683473c926039908196cf35d99f893ebe7" dependencies = [ "proc-macro2", "quote", diff --git a/src/tools/clippy/tests/ui/unicode.stderr b/src/tools/clippy/tests/ui/unicode.stderr index 9c365e1097db..b004493300ee 100644 --- a/src/tools/clippy/tests/ui/unicode.stderr +++ b/src/tools/clippy/tests/ui/unicode.stderr @@ -11,7 +11,7 @@ error: invisible character detected --> tests/ui/unicode.rs:7:12 | LL | print!("Here >­< is a SHY, and ­another"); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider replacing the string with: `"Here >\u{AD}< is a SHY, and \u{AD}another"` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider replacing the string with: `"Here >\u{AD}< is a SHY, and \u{AD}another"` error: invisible character detected --> tests/ui/unicode.rs:9:12 diff --git a/src/tools/tidy/src/deps.rs b/src/tools/tidy/src/deps.rs index efcd2a181ffa..cf89149dd5bd 100644 --- a/src/tools/tidy/src/deps.rs +++ b/src/tools/tidy/src/deps.rs @@ -27,7 +27,8 @@ const LICENSES: &[&str] = &[ "MIT OR Zlib OR Apache-2.0", // miniz_oxide "MIT", "MIT/Apache-2.0", - "Unicode-DFS-2016", // tinystr and icu4x + "Unicode-3.0", // icu4x + "Unicode-DFS-2016", // tinystr "Unlicense OR MIT", "Unlicense/MIT", "Zlib OR Apache-2.0 OR MIT", // tinyvec @@ -411,32 +412,6 @@ const PERMITTED_RUSTC_DEPENDENCIES: &[&str] = &[ // tidy-alphabetical-end ]; -// These crates come from ICU4X and are licensed under the unicode license. -// It currently doesn't have an SPDX identifier, so they cannot put one there. -// See https://github.com/unicode-org/icu4x/pull/3875 -// FIXME: This should be removed once ICU4X crates update. -const ICU4X_UNICODE_LICENSE_DEPENDENCIES: &[&str] = &[ - // tidy-alphabetical-start - "icu_list", - "icu_list_data", - "icu_locid", - "icu_locid_transform", - "icu_locid_transform_data", - "icu_provider", - "icu_provider_adapters", - "icu_provider_macros", - "litemap", - "tinystr", - "writeable", - "yoke", - "yoke-derive", - "zerofrom", - "zerofrom-derive", - "zerovec", - "zerovec-derive", - // tidy-alphabetical-end -]; - const PERMITTED_CRANELIFT_DEPENDENCIES: &[&str] = &[ // tidy-alphabetical-start "ahash", @@ -642,10 +617,6 @@ fn check_license_exceptions(metadata: &Metadata, exceptions: &[(&str, &str)], ba let license = match &pkg.license { Some(license) => license, None => { - if ICU4X_UNICODE_LICENSE_DEPENDENCIES.contains(&pkg.name.as_str()) { - // See the comment on ICU4X_UNICODE_LICENSE_DEPENDENCIES. - continue; - } tidy_error!(bad, "dependency `{}` does not define a license expression", pkg.id); continue; } From 5acc25e700363b4c3e5cddf5a32dfc5b4f28135c Mon Sep 17 00:00:00 2001 From: clubby789 Date: Sat, 8 Jun 2024 20:18:31 +0100 Subject: [PATCH 1211/1716] Update `icu4x` dependencies --- tests/ui/unicode.stderr | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tests/ui/unicode.stderr b/tests/ui/unicode.stderr index 9c365e1097db..b004493300ee 100644 --- a/tests/ui/unicode.stderr +++ b/tests/ui/unicode.stderr @@ -11,7 +11,7 @@ error: invisible character detected --> tests/ui/unicode.rs:7:12 | LL | print!("Here >­< is a SHY, and ­another"); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider replacing the string with: `"Here >\u{AD}< is a SHY, and \u{AD}another"` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider replacing the string with: `"Here >\u{AD}< is a SHY, and \u{AD}another"` error: invisible character detected --> tests/ui/unicode.rs:9:12 From dcd03aadd2e653e6cc432db0b430b55af300c2b1 Mon Sep 17 00:00:00 2001 From: clubby789 Date: Sat, 8 Jun 2024 20:19:39 +0100 Subject: [PATCH 1212/1716] Update `r-efi` --- Cargo.lock | 4 ++-- .../docker/host-x86_64/test-various/uefi_qemu_test/Cargo.lock | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/Cargo.lock b/Cargo.lock index 52448e154c12..801579865ae8 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -3246,9 +3246,9 @@ dependencies = [ [[package]] name = "r-efi" -version = "4.4.0" +version = "4.5.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "c47196f636c4cc0634b73b0405323d177753c2e15e866952c64ea22902567a34" +checksum = "e9e935efc5854715dfc0a4c9ef18dc69dee0ec3bf9cc3ab740db831c0fdd86a3" dependencies = [ "compiler_builtins", "rustc-std-workspace-core", diff --git a/src/ci/docker/host-x86_64/test-various/uefi_qemu_test/Cargo.lock b/src/ci/docker/host-x86_64/test-various/uefi_qemu_test/Cargo.lock index b0c17d9a296c..dacf531e4048 100644 --- a/src/ci/docker/host-x86_64/test-various/uefi_qemu_test/Cargo.lock +++ b/src/ci/docker/host-x86_64/test-various/uefi_qemu_test/Cargo.lock @@ -4,9 +4,9 @@ version = 3 [[package]] name = "r-efi" -version = "4.4.0" +version = "4.5.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "c47196f636c4cc0634b73b0405323d177753c2e15e866952c64ea22902567a34" +checksum = "e9e935efc5854715dfc0a4c9ef18dc69dee0ec3bf9cc3ab740db831c0fdd86a3" [[package]] name = "uefi_qemu_test" From d42c9607f87269a8ee1e664a82809a707d8ff5a6 Mon Sep 17 00:00:00 2001 From: clubby789 Date: Sat, 8 Jun 2024 20:22:16 +0100 Subject: [PATCH 1213/1716] Run `cargo update` --- Cargo.lock | 186 ++++++++++++++++++++++++++--------------------------- 1 file changed, 93 insertions(+), 93 deletions(-) diff --git a/Cargo.lock b/Cargo.lock index 801579865ae8..58d95f927bf9 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -131,9 +131,9 @@ dependencies = [ [[package]] name = "annotate-snippets" -version = "0.11.2" +version = "0.11.3" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "5a5a59f105fb9635e9eebdc1e29d53e764fa5795b9cf899a638a53e61567ef61" +checksum = "086b0afab3b349e5691143adbfb26983821e3eec4ba4c51957104d372c2e1b7d" dependencies = [ "anstyle", "unicode-width", @@ -189,9 +189,9 @@ dependencies = [ [[package]] name = "anstyle-query" -version = "1.0.3" +version = "1.1.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "a64c907d4e79225ac72e2a354c9ce84d50ebb4586dee56c82b3ee73004f537f5" +checksum = "ad186efb764318d35165f1758e7dcef3b10628e26d41a44bc5550652e6804391" dependencies = [ "windows-sys 0.52.0", ] @@ -266,7 +266,7 @@ dependencies = [ "proc-macro2", "quote", "serde", - "syn 2.0.64", + "syn 2.0.66", ] [[package]] @@ -501,9 +501,9 @@ version = "0.1.0" [[package]] name = "cc" -version = "1.0.97" +version = "1.0.99" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "099a5357d84c4c61eb35fc8eafa9a79a902c2f76911e5747ced4e032edd8d9b4" +checksum = "96c51067fd44124faa7f870b4b1c969379ad32b2ba805aa959430ceaa384f695" [[package]] name = "cfg-if" @@ -568,9 +568,9 @@ dependencies = [ [[package]] name = "clap" -version = "4.5.4" +version = "4.5.6" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "90bc066a67923782aa8515dbaea16946c5bcc5addbd668bb80af688e53e548a0" +checksum = "a9689a29b593160de5bc4aacab7b5d54fb52231de70122626c178e6a368994c7" dependencies = [ "clap_builder", "clap_derive", @@ -588,9 +588,9 @@ dependencies = [ [[package]] name = "clap_builder" -version = "4.5.2" +version = "4.5.6" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ae129e2e766ae0ec03484e609954119f123cc1fe650337e155d03b022f24f7b4" +checksum = "2e5387378c84f6faa26890ebf9f0a92989f8873d4d380467bcd0d8d8620424df" dependencies = [ "anstream", "anstyle", @@ -601,30 +601,30 @@ dependencies = [ [[package]] name = "clap_complete" -version = "4.5.2" +version = "4.5.5" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "dd79504325bf38b10165b02e89b4347300f855f273c4cb30c4a3209e6583275e" +checksum = "d2020fa13af48afc65a9a87335bda648309ab3d154cd03c7ff95b378c7ed39c4" dependencies = [ "clap", ] [[package]] name = "clap_derive" -version = "4.5.4" +version = "4.5.5" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "528131438037fd55894f62d6e9f068b8f45ac57ffa77517819645d10aed04f64" +checksum = "c780290ccf4fb26629baa7a1081e68ced113f1d3ec302fa5948f1c381ebf06c6" dependencies = [ "heck 0.5.0", "proc-macro2", "quote", - "syn 2.0.64", + "syn 2.0.66", ] [[package]] name = "clap_lex" -version = "0.7.0" +version = "0.7.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "98cc8fbded0c607b7ba9dd60cd98df59af97e84d24e49c8557331cfc26d301ce" +checksum = "4b82cf0babdbd58558212896d1a4272303a57bdb245c2bf1147185fb45640e70" [[package]] name = "clippy" @@ -644,7 +644,7 @@ dependencies = [ "regex", "rustc_tools_util", "serde", - "syn 2.0.64", + "syn 2.0.66", "tempfile", "termize", "tokio", @@ -754,7 +754,7 @@ dependencies = [ "nom", "proc-macro2", "quote", - "syn 2.0.64", + "syn 2.0.66", ] [[package]] @@ -878,18 +878,18 @@ dependencies = [ [[package]] name = "crc32fast" -version = "1.4.0" +version = "1.4.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b3855a8a784b474f333699ef2bbca9db2c4a1f6d9088a90a2d25b1eb53111eaa" +checksum = "a97769d94ddab943e4510d138150169a2758b5ef3eb191a9ee688de3e23ef7b3" dependencies = [ "cfg-if", ] [[package]] name = "crossbeam-channel" -version = "0.5.12" +version = "0.5.13" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ab3db02a9c5b5121e1e42fbdb1aeb65f5e02624cc58c43f2884c6ccac0b82f95" +checksum = "33480d6946193aa8033910124896ca395333cae7e2d1113d1fef6c3272217df2" dependencies = [ "crossbeam-utils", ] @@ -915,9 +915,9 @@ dependencies = [ [[package]] name = "crossbeam-utils" -version = "0.8.19" +version = "0.8.20" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "248e3bacc7dc6baa3b21e405ee045c3047101a49145e7e9eca583ab4c2ca5345" +checksum = "22ec99545bb0ed0ea7bb9b8e1e9122ea386ff8a48c0922e43f36d45ab09e0e80" [[package]] name = "crypto-common" @@ -990,7 +990,7 @@ dependencies = [ "proc-macro2", "quote", "strsim", - "syn 2.0.64", + "syn 2.0.66", ] [[package]] @@ -1001,7 +1001,7 @@ checksum = "733cabb43482b1a1b53eee8583c2b9e8684d592215ea83efd305dd31bc2f0178" dependencies = [ "darling_core", "quote", - "syn 2.0.64", + "syn 2.0.66", ] [[package]] @@ -1027,7 +1027,7 @@ version = "0.1.80" dependencies = [ "itertools 0.12.1", "quote", - "syn 2.0.64", + "syn 2.0.66", ] [[package]] @@ -1068,7 +1068,7 @@ dependencies = [ "darling", "proc-macro2", "quote", - "syn 2.0.64", + "syn 2.0.66", ] [[package]] @@ -1078,7 +1078,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "206868b8242f27cecce124c19fd88157fbd0dd334df2587f36417bafbc85097b" dependencies = [ "derive_builder_core", - "syn 2.0.64", + "syn 2.0.66", ] [[package]] @@ -1101,7 +1101,7 @@ dependencies = [ "darling", "proc-macro2", "quote", - "syn 2.0.64", + "syn 2.0.66", ] [[package]] @@ -1196,7 +1196,7 @@ checksum = "487585f4d0c6655fe74905e2504d8ad6908e4db67f744eb140876906c2f3175d" dependencies = [ "proc-macro2", "quote", - "syn 2.0.64", + "syn 2.0.66", ] [[package]] @@ -1516,7 +1516,7 @@ checksum = "87750cf4b7a4c0625b1529e4c543c2182106e4dedc60a2a6455e00d212c489ac" dependencies = [ "proc-macro2", "quote", - "syn 2.0.64", + "syn 2.0.66", ] [[package]] @@ -1588,9 +1588,9 @@ dependencies = [ [[package]] name = "getrandom" -version = "0.2.14" +version = "0.2.15" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "94b22e06ecb0110981051723910cbf0b5f5e09a2062dd7663334ee79a9d1286c" +checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7" dependencies = [ "cfg-if", "libc", @@ -1757,7 +1757,7 @@ dependencies = [ "markup5ever 0.12.1", "proc-macro2", "quote", - "syn 2.0.64", + "syn 2.0.66", ] [[package]] @@ -1889,7 +1889,7 @@ checksum = "1ec89e9337638ecdc08744df490b221a7399bf8d164eb52a665454e60e075ad6" dependencies = [ "proc-macro2", "quote", - "syn 2.0.64", + "syn 2.0.66", ] [[package]] @@ -2196,9 +2196,9 @@ dependencies = [ [[package]] name = "libz-sys" -version = "1.1.16" +version = "1.1.18" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "5e143b5e666b2695d28f6bca6497720813f699c9602dd7f5cac91008b8ada7f9" +checksum = "c15da26e5af7e25c90b37a2d75cdbf940cf4a55316de9d84c679c9b8bfabf82e" dependencies = [ "cc", "libc", @@ -2415,7 +2415,7 @@ dependencies = [ "pulldown-cmark-to-cmark", "serde_json", "thiserror", - "toml 0.8.13", + "toml 0.8.14", "xmlparser", ] @@ -2608,9 +2608,9 @@ dependencies = [ [[package]] name = "nu-ansi-term" -version = "0.49.0" +version = "0.50.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "c073d3c1930d0751774acf49e66653acecb416c3a54c6ec095a9b11caddb5a68" +checksum = "dd2800e1520bdc966782168a627aa5d1ad92e33b984bf7c7615d31280c83ff14" dependencies = [ "windows-sys 0.48.0", ] @@ -2849,9 +2849,9 @@ dependencies = [ [[package]] name = "parking_lot" -version = "0.12.2" +version = "0.12.3" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "7e4af0ca4f6caed20e900d564c242b8e5d4903fdacf31d3daf527b66fe6f42fb" +checksum = "f1bf18183cf54e8d6059647fc3063646a1801cf30896933ec2311622cc4b9a27" dependencies = [ "lock_api", "parking_lot_core", @@ -2931,7 +2931,7 @@ dependencies = [ "pest_meta", "proc-macro2", "quote", - "syn 2.0.64", + "syn 2.0.66", ] [[package]] @@ -3142,9 +3142,9 @@ checksum = "dc375e1527247fe1a97d8b7156678dfe7c1af2fc075c9a4db3690ecd2a148068" [[package]] name = "proc-macro2" -version = "1.0.82" +version = "1.0.85" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "8ad3d49ab951a01fbaafe34f2ec74122942fe18a3f9814c3268f1bb72042131b" +checksum = "22244ce15aa966053a896d1accb3a6e68469b97c7f33f284b99f0d576879fc23" dependencies = [ "unicode-ident", ] @@ -4058,7 +4058,7 @@ dependencies = [ "fluent-syntax", "proc-macro2", "quote", - "syn 2.0.64", + "syn 2.0.66", "unic-langid", ] @@ -4192,7 +4192,7 @@ version = "0.0.0" dependencies = [ "proc-macro2", "quote", - "syn 2.0.64", + "syn 2.0.66", "synstructure", ] @@ -4341,7 +4341,7 @@ version = "0.0.0" dependencies = [ "proc-macro2", "quote", - "syn 2.0.64", + "syn 2.0.66", "synstructure", ] @@ -4920,7 +4920,7 @@ version = "0.0.0" dependencies = [ "proc-macro2", "quote", - "syn 2.0.64", + "syn 2.0.66", "synstructure", ] @@ -5018,7 +5018,7 @@ dependencies = [ "proc-macro2", "quote", "serde", - "syn 2.0.64", + "syn 2.0.66", ] [[package]] @@ -5154,22 +5154,22 @@ dependencies = [ [[package]] name = "serde" -version = "1.0.202" +version = "1.0.203" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "226b61a0d411b2ba5ff6d7f73a476ac4f8bb900373459cd00fab8512828ba395" +checksum = "7253ab4de971e72fb7be983802300c30b5a7f0c2e56fab8abfc6a214307c0094" dependencies = [ "serde_derive", ] [[package]] name = "serde_derive" -version = "1.0.202" +version = "1.0.203" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "6048858004bcff69094cd972ed40a32500f153bd3be9f716b2eed2e8217c4838" +checksum = "500cbc0ebeb6f46627f50f3f5811ccf6bf00643be300b4c3eabc0ef55dc5b5ba" dependencies = [ "proc-macro2", "quote", - "syn 2.0.64", + "syn 2.0.66", ] [[package]] @@ -5281,9 +5281,9 @@ dependencies = [ [[package]] name = "spanned" -version = "0.2.0" +version = "0.2.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ccdf4f5590b7e6fbd4f2e80d442789079a6fff7c12ef921a9de358b7b353098e" +checksum = "ed14ba8b4b82241bd5daba2c49185d4a0581a0058355fe96537338f002b8605d" dependencies = [ "bstr", "color-eyre", @@ -5463,9 +5463,9 @@ dependencies = [ [[package]] name = "syn" -version = "2.0.64" +version = "2.0.66" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "7ad3dee41f36859875573074334c200d1add8e4a87bb37113ebd31d926b7b11f" +checksum = "c42f3f41a2de00b01c0aaad383c5a45241efc8b2d1eda5661812fda5f3cdcff5" dependencies = [ "proc-macro2", "quote", @@ -5480,7 +5480,7 @@ checksum = "c8af7666ab7b6390ab78131fb5b0fce11d6b7a6951602017c35fa82800708971" dependencies = [ "proc-macro2", "quote", - "syn 2.0.64", + "syn 2.0.66", ] [[package]] @@ -5540,9 +5540,9 @@ dependencies = [ [[package]] name = "tar" -version = "0.4.40" +version = "0.4.41" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b16afcea1f22891c49a00c751c7b63b2233284064f11a200fc624137c51e2ddb" +checksum = "cb797dad5fb5b76fcf519e702f4a589483b5ef06567f160c392832c1f5e44909" dependencies = [ "filetime", "libc", @@ -5659,7 +5659,7 @@ checksum = "46c3384250002a6d5af4d114f2845d37b57521033f30d5c3f46c4d70e1197533" dependencies = [ "proc-macro2", "quote", - "syn 2.0.64", + "syn 2.0.66", ] [[package]] @@ -5769,9 +5769,9 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20" [[package]] name = "tokio" -version = "1.37.0" +version = "1.38.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "1adbebffeca75fcfd058afa480fb6c0b81e165a0323f9c9d39c9697e37c46787" +checksum = "ba4f4a02a7a80d6f274636f0aa95c7e383b912d41fe721a31f29e29698585a4a" dependencies = [ "backtrace", "bytes", @@ -5801,14 +5801,14 @@ dependencies = [ [[package]] name = "toml" -version = "0.8.13" +version = "0.8.14" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "a4e43f8cc456c9704c851ae29c67e17ef65d2c30017c17a9765b89c382dc8bba" +checksum = "6f49eb2ab21d2f26bd6db7bf383edc527a7ebaee412d17af4d40fdccd442f335" dependencies = [ "serde", "serde_spanned", "toml_datetime", - "toml_edit 0.22.13", + "toml_edit 0.22.14", ] [[package]] @@ -5835,15 +5835,15 @@ dependencies = [ [[package]] name = "toml_edit" -version = "0.22.13" +version = "0.22.14" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "c127785850e8c20836d49732ae6abfa47616e60bf9d9f57c43c250361a9db96c" +checksum = "f21c7aaf97f1bd9ca9d4f9e73b0a6c74bd5afef56f2bc931943a6e1c37e04e38" dependencies = [ "indexmap", "serde", "serde_spanned", "toml_datetime", - "winnow 0.6.8", + "winnow 0.6.13", ] [[package]] @@ -5872,7 +5872,7 @@ checksum = "34704c8d6ebcbc939824180af020566b01a7c01f80641264eba0999f6c2b6be7" dependencies = [ "proc-macro2", "quote", - "syn 2.0.64", + "syn 2.0.66", ] [[package]] @@ -5927,11 +5927,11 @@ dependencies = [ [[package]] name = "tracing-tree" -version = "0.3.0" +version = "0.3.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "65139ecd2c3f6484c3b99bc01c77afe21e95473630747c7aca525e78b0666675" +checksum = "b56c62d2c80033cb36fae448730a2f2ef99410fe3ecbffc916681a32f6807dbe" dependencies = [ - "nu-ansi-term 0.49.0", + "nu-ansi-term 0.50.0", "tracing-core", "tracing-log", "tracing-subscriber", @@ -6011,7 +6011,7 @@ version = "0.23.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "29e5f4ffcbab82453958fbf59990e981b8e8a177dcd60c2bd8f9b52c3036a6e1" dependencies = [ - "annotate-snippets 0.11.2", + "annotate-snippets 0.11.3", "anyhow", "bstr", "cargo-platform", @@ -6072,7 +6072,7 @@ checksum = "1ed7f4237ba393424195053097c1516bd4590dc82b84f2f97c5c69e12704555b" dependencies = [ "proc-macro-hack", "quote", - "syn 2.0.64", + "syn 2.0.66", "unic-langid-impl", ] @@ -6143,9 +6143,9 @@ checksum = "d4c87d22b6e3f4a18d4d40ef354e97c90fcb14dd91d7dc0aa9d8a1172ebf7202" [[package]] name = "unicode-width" -version = "0.1.12" +version = "0.1.13" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "68f5e5f3158ecfd4b8ff6fe086db7c8467a2dfdac97fe420f2b7c4aa97af66d6" +checksum = "0336d538f7abc86d282a4189614dfaa90810dfc2c6f6427eaf88e16311dd225d" dependencies = [ "compiler_builtins", "rustc-std-workspace-core", @@ -6222,9 +6222,9 @@ checksum = "86bd8d4e895da8537e5315b8254664e6b769c4ff3db18321b297a1e7004392e3" [[package]] name = "utf8parse" -version = "0.2.1" +version = "0.2.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a" +checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821" [[package]] name = "uuid" @@ -6304,7 +6304,7 @@ dependencies = [ "once_cell", "proc-macro2", "quote", - "syn 2.0.64", + "syn 2.0.66", "wasm-bindgen-shared", ] @@ -6326,7 +6326,7 @@ checksum = "e94f17b526d0a461a191c78ea52bbce64071ed5c04c9ffe424dcb38f74171bb7" dependencies = [ "proc-macro2", "quote", - "syn 2.0.64", + "syn 2.0.66", "wasm-bindgen-backend", "wasm-bindgen-shared", ] @@ -6407,7 +6407,7 @@ dependencies = [ "rayon", "serde", "serde_json", - "syn 2.0.64", + "syn 2.0.66", "windows-metadata", ] @@ -6576,9 +6576,9 @@ dependencies = [ [[package]] name = "winnow" -version = "0.6.8" +version = "0.6.13" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "c3c52e9c97a68071b23e836c9380edae937f17b9c4667bd021973efc689f618d" +checksum = "59b5e5f6c299a3c7890b876a2a587f3115162487e704907d9b6cd29473052ba1" dependencies = [ "memchr", ] @@ -6653,7 +6653,7 @@ checksum = "28cc31741b18cb6f1d5ff12f5b7523e3d6eb0852bbbad19d73905511d9849b95" dependencies = [ "proc-macro2", "quote", - "syn 2.0.64", + "syn 2.0.66", "synstructure", ] @@ -6674,7 +6674,7 @@ checksum = "15e934569e47891f7d9411f1a451d947a60e000ab3bd24fbb970f000387d1b3b" dependencies = [ "proc-macro2", "quote", - "syn 2.0.64", + "syn 2.0.66", ] [[package]] @@ -6694,7 +6694,7 @@ checksum = "0ea7b4a3637ea8669cedf0f1fd5c286a17f3de97b8dd5a70a6c167a1730e63a5" dependencies = [ "proc-macro2", "quote", - "syn 2.0.64", + "syn 2.0.66", "synstructure", ] @@ -6717,5 +6717,5 @@ checksum = "97cf56601ee5052b4417d90c8755c6683473c926039908196cf35d99f893ebe7" dependencies = [ "proc-macro2", "quote", - "syn 2.0.64", + "syn 2.0.66", ] From a13a9ab75997c9a5130956873532260428046499 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sun, 9 Jun 2024 09:09:15 +0200 Subject: [PATCH 1214/1716] simd_bitmask: nicer error when the mask is too big --- src/tools/miri/src/intrinsics/simd.rs | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/src/tools/miri/src/intrinsics/simd.rs b/src/tools/miri/src/intrinsics/simd.rs index d82c523b8171..7aa37ba449eb 100644 --- a/src/tools/miri/src/intrinsics/simd.rs +++ b/src/tools/miri/src/intrinsics/simd.rs @@ -452,13 +452,17 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let (no, no_len) = this.operand_to_simd(no)?; let (dest, dest_len) = this.mplace_to_simd(dest)?; let bitmask_len = dest_len.next_multiple_of(8); + if bitmask_len > 64 { + throw_unsup_format!( + "simd_bitmask: masks larger than 64 elements are currently not supported" + ); + } // The mask must be an integer or an array. assert!( mask.layout.ty.is_integral() || matches!(mask.layout.ty.kind(), ty::Array(elemty, _) if elemty == &this.tcx.types.u8) ); - assert!(bitmask_len <= 64); assert_eq!(bitmask_len, mask.layout.size.bits()); assert_eq!(dest_len, yes_len); assert_eq!(dest_len, no_len); @@ -498,13 +502,17 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let [op] = check_arg_count(args)?; let (op, op_len) = this.operand_to_simd(op)?; let bitmask_len = op_len.next_multiple_of(8); + if bitmask_len > 64 { + throw_unsup_format!( + "simd_bitmask: masks larger than 64 elements are currently not supported" + ); + } // Returns either an unsigned integer or array of `u8`. assert!( dest.layout.ty.is_integral() || matches!(dest.layout.ty.kind(), ty::Array(elemty, _) if elemty == &this.tcx.types.u8) ); - assert!(bitmask_len <= 64); assert_eq!(bitmask_len, dest.layout.size.bits()); let op_len = u32::try_from(op_len).unwrap(); From 36e1414b10af7ca487d6f84165e1f23a80375fd4 Mon Sep 17 00:00:00 2001 From: Lzu Tao Date: Mon, 20 May 2024 17:53:07 +0000 Subject: [PATCH 1215/1716] add codegen test for #120440 --- tests/codegen/slice-pointer-nonnull-unwrap.rs | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 tests/codegen/slice-pointer-nonnull-unwrap.rs diff --git a/tests/codegen/slice-pointer-nonnull-unwrap.rs b/tests/codegen/slice-pointer-nonnull-unwrap.rs new file mode 100644 index 000000000000..51ea4a1f943d --- /dev/null +++ b/tests/codegen/slice-pointer-nonnull-unwrap.rs @@ -0,0 +1,19 @@ +//@ compile-flags: -O +//@ min-llvm-version: 18 +#![crate_type = "lib"] + +use std::ptr::NonNull; + +// CHECK-LABEL: @slice_ptr_len_1 +// CHECK: {{.*}}: +// CHECK-NEXT: ret i64 %ptr.1 +#[no_mangle] +pub fn slice_ptr_len_1(ptr: *const [u8]) -> usize { + let ptr = ptr.cast_mut(); + if let Some(ptr) = NonNull::new(ptr) { + ptr.len() + } else { + // We know ptr is null, so we know ptr.wrapping_byte_add(1) is not null. + NonNull::new(ptr.wrapping_byte_add(1)).unwrap().len() + } +} From f3c89f1751217f8ad2267d5acaed9b665392e9cc Mon Sep 17 00:00:00 2001 From: Lzu Tao Date: Mon, 20 May 2024 18:17:42 +0000 Subject: [PATCH 1216/1716] add codegen test for issue-118392, 71096 --- tests/codegen/issues/issue-118392.rs | 11 +++++++++++ 1 file changed, 11 insertions(+) create mode 100644 tests/codegen/issues/issue-118392.rs diff --git a/tests/codegen/issues/issue-118392.rs b/tests/codegen/issues/issue-118392.rs new file mode 100644 index 000000000000..2cbb1f8b2043 --- /dev/null +++ b/tests/codegen/issues/issue-118392.rs @@ -0,0 +1,11 @@ +//@ compile-flags: -O +//@ min-llvm-version: 18 +#![crate_type = "lib"] + +// CHECK-LABEL: @div2 +// CHECK: ashr i32 %a, 1 +// CHECK-NEXT: ret i32 +#[no_mangle] +pub fn div2(a: i32) -> i32 { + a.div_euclid(2) +} From f37c576dbd350adf0644ca9a2b83e28d9d57a076 Mon Sep 17 00:00:00 2001 From: Lzu Tao Date: Mon, 20 May 2024 18:18:52 +0000 Subject: [PATCH 1217/1716] add codegen test for #113757 --- ...issue-113757-bounds-check-after-cmp-max.rs | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 tests/codegen/issues/issue-113757-bounds-check-after-cmp-max.rs diff --git a/tests/codegen/issues/issue-113757-bounds-check-after-cmp-max.rs b/tests/codegen/issues/issue-113757-bounds-check-after-cmp-max.rs new file mode 100644 index 000000000000..5dedefc43d11 --- /dev/null +++ b/tests/codegen/issues/issue-113757-bounds-check-after-cmp-max.rs @@ -0,0 +1,19 @@ +// in Rust 1.73, -O and opt-level=3 optimizes differently +//@ compile-flags: -C opt-level=3 +//@ min-llvm-version: 17 +#![crate_type = "lib"] + +use std::cmp::max; + +#[no_mangle] +// CHECK-LABEL: @foo +// CHECK-NOT: slice_start_index_len_fail +// CHECK-NOT: unreachable +pub fn foo(v: &mut Vec, size: usize)-> Option<&mut [u8]> { + if v.len() > max(1, size) { + let start = v.len() - size; + Some(&mut v[start..]) + } else { + None + } +} From beabc5647bc81d62cebbe1d4a71a3666f8ade9d7 Mon Sep 17 00:00:00 2001 From: Lzu Tao Date: Mon, 20 May 2024 18:38:45 +0000 Subject: [PATCH 1218/1716] add codegen test for #112509 --- .../issue-112509-slice-get-andthen-get.rs | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 tests/codegen/issues/issue-112509-slice-get-andthen-get.rs diff --git a/tests/codegen/issues/issue-112509-slice-get-andthen-get.rs b/tests/codegen/issues/issue-112509-slice-get-andthen-get.rs new file mode 100644 index 000000000000..fc04a6cc41ab --- /dev/null +++ b/tests/codegen/issues/issue-112509-slice-get-andthen-get.rs @@ -0,0 +1,17 @@ +//@ compile-flags: -O +//@ min-llvm-version: 17 +#![crate_type = "lib"] + +// CHECK-LABEL: @write_u8_variant_a +// CHECK: getelementptr +// CHECK-NEXT: icmp ugt +#[no_mangle] +pub fn write_u8_variant_a( + bytes: &mut [u8], + buf: u8, + offset: usize, +) -> Option<&mut [u8]> { + let buf = buf.to_le_bytes(); + bytes + .get_mut(offset..).and_then(|bytes| bytes.get_mut(..buf.len())) +} From 15d07fb2cbb48ba85d69aa043c1d77909a565ea8 Mon Sep 17 00:00:00 2001 From: Lzu Tao Date: Mon, 20 May 2024 19:22:49 +0000 Subject: [PATCH 1219/1716] Add codegen test for #111508 --- .../issues/issue-111508-vec-tryinto-array.rs | 22 +++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 tests/codegen/issues/issue-111508-vec-tryinto-array.rs diff --git a/tests/codegen/issues/issue-111508-vec-tryinto-array.rs b/tests/codegen/issues/issue-111508-vec-tryinto-array.rs new file mode 100644 index 000000000000..2e7244e97130 --- /dev/null +++ b/tests/codegen/issues/issue-111508-vec-tryinto-array.rs @@ -0,0 +1,22 @@ +//@ compile-flags: -O +// This regress since Rust version 1.72. +//@ min-llvm-version: 18.1.4 + +#![crate_type = "lib"] + +use std::convert::TryInto; + +const N: usize = 24; + +#[no_mangle] +// CHECK-LABEL: @example +// CHECK-NOT: unwrap_failed +pub fn example(a: Vec) -> u8 { + if a.len() != 32 { + return 0; + } + + let a: [u8; 32] = a.try_into().unwrap(); + + a[15] + a[N] +} From ddb94dbd16760d6de5e3a9cbbffb66e161691786 Mon Sep 17 00:00:00 2001 From: Lzu Tao Date: Mon, 20 May 2024 19:40:50 +0000 Subject: [PATCH 1220/1716] add codegen test for #110797 --- .../issues/issue-110797-enum-jump-same.rs | 27 +++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 tests/codegen/issues/issue-110797-enum-jump-same.rs diff --git a/tests/codegen/issues/issue-110797-enum-jump-same.rs b/tests/codegen/issues/issue-110797-enum-jump-same.rs new file mode 100644 index 000000000000..bfd10c0a5820 --- /dev/null +++ b/tests/codegen/issues/issue-110797-enum-jump-same.rs @@ -0,0 +1,27 @@ +//@ compile-flags: -O +// XXX: The x86-64 assembly get optimized correclty. But llvm-ir output is not until llvm 18? +//@ min-llvm-version: 18 + +#![crate_type = "lib"] + +pub enum K{ + A(Box<[i32]>), + B(Box<[u8]>), + C(Box<[String]>), + D(Box<[u16]>), +} + +#[no_mangle] +// CHECK-LABEL: @get_len +// CHECK: getelementptr inbounds +// CHECK-NEXT: load +// CHECK-NEXT: ret i64 +// CHECK-NOT: switch +pub fn get_len(arg: &K)->usize{ + match arg { + K::A(ref lst)=>lst.len(), + K::B(ref lst)=>lst.len(), + K::C(ref lst)=>lst.len(), + K::D(ref lst)=>lst.len(), + } +} From 7d967ffa8df2ae74e4cff5d5ed7b53adedac00a2 Mon Sep 17 00:00:00 2001 From: Lzu Tao Date: Mon, 20 May 2024 19:52:30 +0000 Subject: [PATCH 1221/1716] add codegen test for #109328 --- .../codegen/issues/issue-109328-split_first.rs | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 tests/codegen/issues/issue-109328-split_first.rs diff --git a/tests/codegen/issues/issue-109328-split_first.rs b/tests/codegen/issues/issue-109328-split_first.rs new file mode 100644 index 000000000000..a43e653e1a26 --- /dev/null +++ b/tests/codegen/issues/issue-109328-split_first.rs @@ -0,0 +1,17 @@ +//@ compile-flags: -O +//@ min-llvm-version: 17 + +#![crate_type = "lib"] + +#[no_mangle] +// CHECK-LABEL: @foo +// CHECK: getelementptr inbounds +// CHECK-NEXT: load i64 +// CHECK-NEXT: icmp eq i64 +// CHECK-NEXT: br i1 +#[no_mangle] +pub fn foo(input: &mut &[u64]) -> Option { + let (first, rest) = input.split_first()?; + *input = rest; + Some(*first) +} From 8bd6c04cfc41e9952408fb8bed2db9c7e12a0ee6 Mon Sep 17 00:00:00 2001 From: Lzu Tao Date: Mon, 20 May 2024 20:15:31 +0000 Subject: [PATCH 1222/1716] add codegen test for #93036 --- .../codegen/issues/issue-93036-assert-index.rs | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 tests/codegen/issues/issue-93036-assert-index.rs diff --git a/tests/codegen/issues/issue-93036-assert-index.rs b/tests/codegen/issues/issue-93036-assert-index.rs new file mode 100644 index 000000000000..9e4437cc6561 --- /dev/null +++ b/tests/codegen/issues/issue-93036-assert-index.rs @@ -0,0 +1,18 @@ +//@ compile-flags: -O +//@ min-llvm-version: 17 + +#![crate_type = "lib"] + +#[no_mangle] +// CHECK-LABEL: @foo +// CHECK: {{.*}}: +// CHECK: ret +// CHECK-NOT: unreachable +pub fn foo(arr: &mut [u32]) { + for i in 0..arr.len() { + for j in 0..i { + assert!(j < arr.len()); + } + } +} + From 2120ea5a913e6a0ea4137c43471f4d060629c6a8 Mon Sep 17 00:00:00 2001 From: Lzu Tao Date: Mon, 20 May 2024 20:39:26 +0000 Subject: [PATCH 1223/1716] add assembly test for #83585 --- .../issue-83585-small-pod-struct-equality.rs | 30 +++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 tests/assembly/issue-83585-small-pod-struct-equality.rs diff --git a/tests/assembly/issue-83585-small-pod-struct-equality.rs b/tests/assembly/issue-83585-small-pod-struct-equality.rs new file mode 100644 index 000000000000..56d458d85143 --- /dev/null +++ b/tests/assembly/issue-83585-small-pod-struct-equality.rs @@ -0,0 +1,30 @@ +//@ assembly-output: emit-asm +//@ compile-flags:-Copt-level=3 +//@ only-x86_64 + +#![crate_type = "lib"] + +#[no_mangle] +type T = u8; +type T1 = (T, T, T, T, T, T, T, T); +type T2 = [T; 8]; + +#[no_mangle] +// CHECK-LABEL: foo1a +// CHECK: cmp +// CHECK-NEXT: set +// CHECK-NEXT: ret +pub fn foo1a(a: T1, b: T1) -> bool { + a == b +} + +#[no_mangle] +// CHECK-LABEL: foo1b +// CHECK: mov +// CHECK-NEXT: cmp +// CHECK-NEXT: set +// CHECK-NEXT: ret +pub fn foo1b(a: &T1, b: &T1) -> bool { + a == b +} + From bf178187c7d7f671d233b012e6ebcd53e3d60a62 Mon Sep 17 00:00:00 2001 From: Lzu Tao Date: Mon, 20 May 2024 21:20:33 +0000 Subject: [PATCH 1224/1716] add codegen test for #74938 --- .../codegen/issues/issue-74938-array-split-at.rs | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 tests/codegen/issues/issue-74938-array-split-at.rs diff --git a/tests/codegen/issues/issue-74938-array-split-at.rs b/tests/codegen/issues/issue-74938-array-split-at.rs new file mode 100644 index 000000000000..1f8aa3868d75 --- /dev/null +++ b/tests/codegen/issues/issue-74938-array-split-at.rs @@ -0,0 +1,15 @@ +//@ compile-flags: -O + +#![crate_type = "lib"] + +const N: usize = 3; +pub type T = u8; + +#[no_mangle] +// CHECK-LABEL: @split_mutiple +// CHECK-NOT: unreachable +pub fn split_mutiple(slice: &[T]) -> (&[T], &[T]) { + let len = slice.len() / N; + slice.split_at(len * N) +} + From 5f527eb562ff670cf9545817575ff6a7f6088bc7 Mon Sep 17 00:00:00 2001 From: Lzu Tao Date: Mon, 20 May 2024 21:33:53 +0000 Subject: [PATCH 1225/1716] add codegen test for #68667 --- .../issues/issue-68667-unwrap-combinators.rs | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 tests/codegen/issues/issue-68667-unwrap-combinators.rs diff --git a/tests/codegen/issues/issue-68667-unwrap-combinators.rs b/tests/codegen/issues/issue-68667-unwrap-combinators.rs new file mode 100644 index 000000000000..05760dc9b556 --- /dev/null +++ b/tests/codegen/issues/issue-68667-unwrap-combinators.rs @@ -0,0 +1,17 @@ +#![crate_type = "lib"] + +//@ compile-flags: -O + +// MIR inlining now optimizes this code. + +// CHECK-LABEL: @unwrap_combinators +// CHECK: icmp +// CHECK-NEXT: icmp +// CHECK-NEXT: select i1 +// CHECK-NEXT: ret i1 +#[no_mangle] +pub fn unwrap_combinators(a: Option, b: i32) -> bool { + a.map(|t| t >= b) + .unwrap_or(false) +} + From 95740fbfeddbc3e09a0a94cde4c3694cd5af17db Mon Sep 17 00:00:00 2001 From: Lzu Tao Date: Mon, 20 May 2024 21:50:31 +0000 Subject: [PATCH 1226/1716] add codegen test for #36010 --- .../issues/issue-36010-some-box-is_some.rs | 29 +++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 tests/codegen/issues/issue-36010-some-box-is_some.rs diff --git a/tests/codegen/issues/issue-36010-some-box-is_some.rs b/tests/codegen/issues/issue-36010-some-box-is_some.rs new file mode 100644 index 000000000000..b7179987e7d0 --- /dev/null +++ b/tests/codegen/issues/issue-36010-some-box-is_some.rs @@ -0,0 +1,29 @@ +#![crate_type = "lib"] + +//@ compile-flags: -O + +use std::mem; + +fn foo(a: &mut T, b: T) -> bool { + let b = Some(mem::replace(a, b)); + let ret = b.is_some(); + mem::forget(b); + return ret +} + +// CHECK-LABEL: @foo_u32 +// CHECK: store i32 +// CHECK-NEXT: ret i1 +#[no_mangle] +pub fn foo_u32(a: &mut u32, b: u32) -> bool { + foo(a, b) +} + +// CHECK-LABEL: @foo_box +// CHECK: store ptr +// CHECK-NEXT: ret i1 +#[no_mangle] +pub fn foo_box(a: &mut Box, b: Box) -> bool { + foo(a, b) +} + From 91e53aa8edcf59abf963910f4ac47518c711ff57 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sun, 9 Jun 2024 09:56:30 +0200 Subject: [PATCH 1227/1716] simd_select_bitmask: fix intrinsic name in error --- src/tools/miri/src/intrinsics/simd.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/tools/miri/src/intrinsics/simd.rs b/src/tools/miri/src/intrinsics/simd.rs index 7aa37ba449eb..df52f223db39 100644 --- a/src/tools/miri/src/intrinsics/simd.rs +++ b/src/tools/miri/src/intrinsics/simd.rs @@ -454,7 +454,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let bitmask_len = dest_len.next_multiple_of(8); if bitmask_len > 64 { throw_unsup_format!( - "simd_bitmask: masks larger than 64 elements are currently not supported" + "simd_select_bitmask: vectors larger than 64 elements are currently not supported" ); } @@ -504,7 +504,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let bitmask_len = op_len.next_multiple_of(8); if bitmask_len > 64 { throw_unsup_format!( - "simd_bitmask: masks larger than 64 elements are currently not supported" + "simd_bitmask: vectors larger than 64 elements are currently not supported" ); } From 0f8513a51c7560d0e381198d607dfcc91e8ef36d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Matthias=20Kr=C3=BCger?= Date: Sat, 8 Jun 2024 18:36:21 +0200 Subject: [PATCH 1228/1716] tests: add more crashes --- tests/crashes/125655.rs | 8 ++++++++ tests/crashes/125680.rs | 15 +++++++++++++++ tests/crashes/125758.rs | 26 ++++++++++++++++++++++++++ tests/crashes/125768.rs | 15 +++++++++++++++ tests/crashes/125769.rs | 14 ++++++++++++++ tests/crashes/125772.rs | 17 +++++++++++++++++ tests/crashes/125799.rs | 22 ++++++++++++++++++++++ tests/crashes/125801.rs | 20 ++++++++++++++++++++ tests/crashes/125810.rs | 10 ++++++++++ tests/crashes/125811.rs | 34 ++++++++++++++++++++++++++++++++++ tests/crashes/125841.rs | 14 ++++++++++++++ tests/crashes/125843.rs | 4 ++++ tests/crashes/125874.rs | 22 ++++++++++++++++++++++ tests/crashes/125879.rs | 18 ++++++++++++++++++ tests/crashes/125881.rs | 8 ++++++++ tests/crashes/125888.rs | 17 +++++++++++++++++ tests/crashes/125914.rs | 20 ++++++++++++++++++++ tests/crashes/125957.rs | 20 ++++++++++++++++++++ tests/crashes/125992.rs | 19 +++++++++++++++++++ 19 files changed, 323 insertions(+) create mode 100644 tests/crashes/125655.rs create mode 100644 tests/crashes/125680.rs create mode 100644 tests/crashes/125758.rs create mode 100644 tests/crashes/125768.rs create mode 100644 tests/crashes/125769.rs create mode 100644 tests/crashes/125772.rs create mode 100644 tests/crashes/125799.rs create mode 100644 tests/crashes/125801.rs create mode 100644 tests/crashes/125810.rs create mode 100644 tests/crashes/125811.rs create mode 100644 tests/crashes/125841.rs create mode 100644 tests/crashes/125843.rs create mode 100644 tests/crashes/125874.rs create mode 100644 tests/crashes/125879.rs create mode 100644 tests/crashes/125881.rs create mode 100644 tests/crashes/125888.rs create mode 100644 tests/crashes/125914.rs create mode 100644 tests/crashes/125957.rs create mode 100644 tests/crashes/125992.rs diff --git a/tests/crashes/125655.rs b/tests/crashes/125655.rs new file mode 100644 index 000000000000..fbf92ca22be7 --- /dev/null +++ b/tests/crashes/125655.rs @@ -0,0 +1,8 @@ +//@ known-bug: rust-lang/rust#125655 + +fn main() { + static foo: dyn Fn() -> u32 = || -> u32 { + ... + 0 + }; +} diff --git a/tests/crashes/125680.rs b/tests/crashes/125680.rs new file mode 100644 index 000000000000..09f4f318bddd --- /dev/null +++ b/tests/crashes/125680.rs @@ -0,0 +1,15 @@ +//@ known-bug: rust-lang/rust#125680 +//@ edition:2021 + +#![feature(generic_const_exprs)] + +use core::fmt::Debug; + +struct Inline +where + [(); std::mem::offset_of!((T,), 0)]:, +{} + +fn main() { + let dst = Inline::::new(0); // BANG! +} diff --git a/tests/crashes/125758.rs b/tests/crashes/125758.rs new file mode 100644 index 000000000000..86c3b80abab9 --- /dev/null +++ b/tests/crashes/125758.rs @@ -0,0 +1,26 @@ +//@ known-bug: rust-lang/rust#125758 +#![feature(impl_trait_in_assoc_type)] + +trait Trait: Sized { + type Assoc2; +} + +impl Trait for Bar { + type Assoc2 = impl std::fmt::Debug; +} + +struct Foo { + field: ::Assoc2, +} + +enum Bar { + C = 42, + D = 99, +} + +static BAR: u8 = 42; + +static FOO2: (&Foo, &::Assoc2) = + unsafe { (std::mem::transmute(&BAR), std::mem::transmute(&BAR)) }; + +fn main() {} diff --git a/tests/crashes/125768.rs b/tests/crashes/125768.rs new file mode 100644 index 000000000000..3c04431baa0a --- /dev/null +++ b/tests/crashes/125768.rs @@ -0,0 +1,15 @@ +//@ known-bug: rust-lang/rust#125768 + +#![feature(generic_const_exprs)] + +struct Outer(); +impl Outer +where + [(); A + (B * 2)]:, +{ + fn o() -> Union {} +} + +fn main() { + Outer::<1, 1>::o(); +} diff --git a/tests/crashes/125769.rs b/tests/crashes/125769.rs new file mode 100644 index 000000000000..da19458f7ca7 --- /dev/null +++ b/tests/crashes/125769.rs @@ -0,0 +1,14 @@ +//@ known-bug: rust-lang/rust#125769 + +#![feature(generic_const_exprs)] + +trait Trait {} + +struct HasCastInTraitImpl; +impl Trait for HasCastInTraitImpl {} + +pub fn use_trait_impl() { + fn assert_impl() {} + + assert_impl::>(); +} diff --git a/tests/crashes/125772.rs b/tests/crashes/125772.rs new file mode 100644 index 000000000000..2965cfc9e7c3 --- /dev/null +++ b/tests/crashes/125772.rs @@ -0,0 +1,17 @@ +//@ known-bug: rust-lang/rust#125772 +//@ only-x86_64 +#![feature(generic_const_exprs)] + +struct Outer(); +impl Outer +where + [(); A + (B * 2)]:, +{ + fn i() -> Self { + Self + } +} + +fn main() { + Outer::<1, 1>::o(); +} diff --git a/tests/crashes/125799.rs b/tests/crashes/125799.rs new file mode 100644 index 000000000000..62d5438b4e40 --- /dev/null +++ b/tests/crashes/125799.rs @@ -0,0 +1,22 @@ +//@ known-bug: rust-lang/rust#125799 +//@ only-x86_64 + +trait Trait { + type Assoc; +} + +impl Trait for Vec { + type Assoc = (); +} + +impl Trait for Vec {} + +const BAR: as Trait>::Assoc = 3; + +pub fn main() { + let x: isize = 3; + let _ = match x { + BAR => 2, + _ => 3, + }; +} diff --git a/tests/crashes/125801.rs b/tests/crashes/125801.rs new file mode 100644 index 000000000000..aaa76bd0ba69 --- /dev/null +++ b/tests/crashes/125801.rs @@ -0,0 +1,20 @@ +//@ known-bug: rust-lang/rust#125801 + +#![feature(generic_const_exprs)] +#![allow(incomplete_features)] + +trait Foo { + type Output; +} + +impl Foo for [u8; 3] { + type Output = [u8; 3]; +} + +static A: <[u8; N] as Foo>::Output = [1, 2, 3]; + +fn main() { + || { + let _ = A[1]; + }; +} diff --git a/tests/crashes/125810.rs b/tests/crashes/125810.rs new file mode 100644 index 000000000000..4a152da8ddf3 --- /dev/null +++ b/tests/crashes/125810.rs @@ -0,0 +1,10 @@ +//@ known-bug: rust-lang/rust#125810 +#![feature(arbitrary_self_types, dispatch_from_dyn)] + +use std::ops::{Deref, DispatchFromDyn}; + +trait Trait + DispatchFromDyn> { + fn MONO_BUF(self: T) -> dyn Trait; +} + +fn main() {} diff --git a/tests/crashes/125811.rs b/tests/crashes/125811.rs new file mode 100644 index 000000000000..eb764e8d1522 --- /dev/null +++ b/tests/crashes/125811.rs @@ -0,0 +1,34 @@ +//@ known-bug: rust-lang/rust#125811 +mod assert { + use std::mem::{Assume, BikeshedIntrinsicFrom}; + + pub fn is_transmutable() + where + Dst: BikeshedIntrinsicFrom, + { + } +} + +#[repr(C)] +struct Zst; + +enum V0 { + B(!), +} + +enum V2 { + V = 2, +} + +enum Lopsided { + Smol(Zst), + Lorg(V0), +} + +#[repr(C)] +#[repr(C)] +struct Dst(Lopsided, V2); + +fn should_pad_variants() { + assert::is_transmutable::(); +} diff --git a/tests/crashes/125841.rs b/tests/crashes/125841.rs new file mode 100644 index 000000000000..e2e61071f1df --- /dev/null +++ b/tests/crashes/125841.rs @@ -0,0 +1,14 @@ +//@ known-bug: rust-lang/rust#125841 +#![feature(non_lifetime_binders)] +fn take(id: impl for Fn(T) -> T) { + id(0); + id(""); +} + +fn take2() -> impl for Fn(T) -> T { + |x| x +} + +fn main() { + take(|x| take2) +} diff --git a/tests/crashes/125843.rs b/tests/crashes/125843.rs new file mode 100644 index 000000000000..8b9a3913c7e6 --- /dev/null +++ b/tests/crashes/125843.rs @@ -0,0 +1,4 @@ +//@ known-bug: rust-lang/rust#125843 +#![feature(non_lifetime_binders)] +trait v0<> {} +fn kind :(v3main impl for v0<'_, v2 = impl v0 + '_>) {} diff --git a/tests/crashes/125874.rs b/tests/crashes/125874.rs new file mode 100644 index 000000000000..6a2713cd7c89 --- /dev/null +++ b/tests/crashes/125874.rs @@ -0,0 +1,22 @@ +//@ known-bug: rust-lang/rust#125874 +pub trait A {} + +pub trait Mirror { + type Assoc: ?Sized; +} +impl Mirror for dyn A { + type Assoc = T; +} + +struct Bar { + foo: ::Assoc, +} + +pub fn main() { + let strct = Bar { foo: 3 }; + + match strct { + Bar { foo: 1, .. } => {} + _ => (), + }; +} diff --git a/tests/crashes/125879.rs b/tests/crashes/125879.rs new file mode 100644 index 000000000000..4318842e4551 --- /dev/null +++ b/tests/crashes/125879.rs @@ -0,0 +1,18 @@ +//@ known-bug: rust-lang/rust#125879 +#![feature(inherent_associated_types)] +#![allow(incomplete_features)] + +pub type PubAlias0 = PubTy::PrivAssocTy; + +pub struct PubTy; +impl PubTy { + type PrivAssocTy = (); +} + +pub struct S(pub PubAlias0); + +pub unsafe fn foo(a: S) -> S { + a +} + +fn main() {} diff --git a/tests/crashes/125881.rs b/tests/crashes/125881.rs new file mode 100644 index 000000000000..98331d3c9748 --- /dev/null +++ b/tests/crashes/125881.rs @@ -0,0 +1,8 @@ +//@ known-bug: rust-lang/rust#125881 +#![crate_type = "lib"] +#![feature(transmutability)] +#![feature(unboxed_closures,effects)] + +const fn test() -> impl std::mem::BikeshedIntrinsicFrom() { + || {} +} diff --git a/tests/crashes/125888.rs b/tests/crashes/125888.rs new file mode 100644 index 000000000000..ae8f2d6576b7 --- /dev/null +++ b/tests/crashes/125888.rs @@ -0,0 +1,17 @@ +//@ known-bug: rust-lang/rust#125888 +enum NestedEnum { + First, + Second, +} + +enum Enum { + Variant(*const &'a ()), +} + +fn foo(x: Enum) { + match x { + Enum::Variant(NestedEnum::Second) => {} + } +} + +fn main() {} diff --git a/tests/crashes/125914.rs b/tests/crashes/125914.rs new file mode 100644 index 000000000000..77ccb9fb0978 --- /dev/null +++ b/tests/crashes/125914.rs @@ -0,0 +1,20 @@ +//@ known-bug: rust-lang/rust#125914 +enum AstKind<'ast> { + ExprInt, +} + +enum Foo { + Bar(isize), + Baz, +} + +enum Other { + Other1(Foo), + Other2(AstKind), +} + +fn main() { + match Other::Other1(Foo::Baz) { + ::Other::Other2(::Foo::Bar(..)) => {} + } +} diff --git a/tests/crashes/125957.rs b/tests/crashes/125957.rs new file mode 100644 index 000000000000..e3abe5262eb9 --- /dev/null +++ b/tests/crashes/125957.rs @@ -0,0 +1,20 @@ +//@ known-bug: rust-lang/rust#125957 +#![feature(generic_const_exprs)] +#![allow(incomplete_features)] +#![feature(associated_const_equality)] + +pub struct Equal(); + +pub enum ParseMode { + Raw, +} +pub trait Parse { + const PARSE_MODE: ParseMode; +} +pub trait RenderRaw: Parse {} + +trait GenericVec { + fn unwrap() -> dyn RenderRaw; +} + +fn main() {} diff --git a/tests/crashes/125992.rs b/tests/crashes/125992.rs new file mode 100644 index 000000000000..d78f28ce6de4 --- /dev/null +++ b/tests/crashes/125992.rs @@ -0,0 +1,19 @@ +//@ known-bug: rust-lang/rust#125992 +//@ compile-flags: -Zpolonius=next + +#![feature(inherent_associated_types)] + +type Function = for<'a> fn(&'a i32) -> S<'a>::P; + +struct S<'a>(&'a ()); + +impl<'a> S { + type P = &'a i32; +} + +fn ret_ref_local<'e>() -> &'e i32 { + let f: Function = |x| x; + + let local = 0; + f(&local) +} From 110b09220321ee529368ec19d6d31d0f00c4ac70 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sun, 9 Jun 2024 11:35:16 +0200 Subject: [PATCH 1229/1716] simd_bitmask: work correctly for sizes like 24 --- src/tools/miri/src/helpers.rs | 3 +- src/tools/miri/src/intrinsics/mod.rs | 2 + src/tools/miri/src/intrinsics/simd.rs | 88 +++++++++++++------ .../tests/pass/intrinsics/portable-simd.rs | 71 +++++++++++---- 4 files changed, 122 insertions(+), 42 deletions(-) diff --git a/src/tools/miri/src/helpers.rs b/src/tools/miri/src/helpers.rs index e6ef2f5dc60a..87b53d87ac87 100644 --- a/src/tools/miri/src/helpers.rs +++ b/src/tools/miri/src/helpers.rs @@ -374,7 +374,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let val = if dest.layout().abi.is_signed() { Scalar::from_int(i, dest.layout().size) } else { - Scalar::from_uint(u64::try_from(i.into()).unwrap(), dest.layout().size) + // `unwrap` can only fail here if `i` is negative + Scalar::from_uint(u128::try_from(i.into()).unwrap(), dest.layout().size) }; self.eval_context_mut().write_scalar(val, dest) } diff --git a/src/tools/miri/src/intrinsics/mod.rs b/src/tools/miri/src/intrinsics/mod.rs index 9f7e2baaaf97..74e39ffd9332 100644 --- a/src/tools/miri/src/intrinsics/mod.rs +++ b/src/tools/miri/src/intrinsics/mod.rs @@ -1,3 +1,5 @@ +#![warn(clippy::arithmetic_side_effects)] + mod atomic; mod simd; diff --git a/src/tools/miri/src/intrinsics/simd.rs b/src/tools/miri/src/intrinsics/simd.rs index df52f223db39..7818227c3bde 100644 --- a/src/tools/miri/src/intrinsics/simd.rs +++ b/src/tools/miri/src/intrinsics/simd.rs @@ -458,23 +458,45 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { ); } - // The mask must be an integer or an array. - assert!( - mask.layout.ty.is_integral() - || matches!(mask.layout.ty.kind(), ty::Array(elemty, _) if elemty == &this.tcx.types.u8) - ); - assert_eq!(bitmask_len, mask.layout.size.bits()); assert_eq!(dest_len, yes_len); assert_eq!(dest_len, no_len); + + // Read the mask, either as an integer or as an array. + let mask: u64 = match mask.layout.ty.kind() { + ty::Uint(_) => { + // Any larger integer type is fine. + assert!(mask.layout.size.bits() >= bitmask_len); + this.read_scalar(mask)?.to_bits(mask.layout.size)?.try_into().unwrap() + } + ty::Array(elem, _len) if elem == &this.tcx.types.u8 => { + // The array must have exactly the right size. + assert_eq!(mask.layout.size.bits(), bitmask_len); + // Read the raw bytes. + let mask = mask.assert_mem_place(); // arrays cannot be immediate + let mask_bytes = + this.read_bytes_ptr_strip_provenance(mask.ptr(), mask.layout.size)?; + // Turn them into a `u64` in the right way. + let mask_size = mask.layout.size.bytes_usize(); + let mut mask_arr = [0u8; 8]; + match this.data_layout().endian { + Endian::Little => { + // Fill the first N bytes. + mask_arr[..mask_size].copy_from_slice(mask_bytes); + u64::from_le_bytes(mask_arr) + } + Endian::Big => { + // Fill the last N bytes. + let i = mask_arr.len().strict_sub(mask_size); + mask_arr[i..].copy_from_slice(mask_bytes); + u64::from_be_bytes(mask_arr) + } + } + } + _ => bug!("simd_select_bitmask: invalid mask type {}", mask.layout.ty), + }; + let dest_len = u32::try_from(dest_len).unwrap(); let bitmask_len = u32::try_from(bitmask_len).unwrap(); - - // To read the mask, we transmute it to an integer. - // That does the right thing wrt endianness. - let mask_ty = this.machine.layouts.uint(mask.layout.size).unwrap(); - let mask = mask.transmute(mask_ty, this)?; - let mask: u64 = this.read_scalar(&mask)?.to_bits(mask_ty.size)?.try_into().unwrap(); - for i in 0..dest_len { let bit_i = simd_bitmask_index(i, dest_len, this.data_layout().endian); let mask = mask & 1u64.checked_shl(bit_i).unwrap(); @@ -508,14 +530,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { ); } - // Returns either an unsigned integer or array of `u8`. - assert!( - dest.layout.ty.is_integral() - || matches!(dest.layout.ty.kind(), ty::Array(elemty, _) if elemty == &this.tcx.types.u8) - ); - assert_eq!(bitmask_len, dest.layout.size.bits()); let op_len = u32::try_from(op_len).unwrap(); - let mut res = 0u64; for i in 0..op_len { let op = this.read_immediate(&this.project_index(&op, i.into())?)?; @@ -525,11 +540,34 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { .unwrap(); } } - // We have to change the type of the place to be able to write `res` into it. This - // transmutes the integer to an array, which does the right thing wrt endianness. - let dest = - dest.transmute(this.machine.layouts.uint(dest.layout.size).unwrap(), this)?; - this.write_int(res, &dest)?; + // Write the result, depending on the `dest` type. + // Returns either an unsigned integer or array of `u8`. + match dest.layout.ty.kind() { + ty::Uint(_) => { + // Any larger integer type is fine, it will be zero-extended. + assert!(dest.layout.size.bits() >= bitmask_len); + this.write_int(res, dest)?; + } + ty::Array(elem, _len) if elem == &this.tcx.types.u8 => { + // The array must have exactly the right size. + assert_eq!(dest.layout.size.bits(), bitmask_len); + // We have to write the result byte-for-byte. + let res_size = dest.layout.size.bytes_usize(); + let res_bytes; + let res_bytes_slice = match this.data_layout().endian { + Endian::Little => { + res_bytes = res.to_le_bytes(); + &res_bytes[..res_size] // take the first N bytes + } + Endian::Big => { + res_bytes = res.to_be_bytes(); + &res_bytes[res_bytes.len().strict_sub(res_size)..] // take the last N bytes + } + }; + this.write_bytes_ptr(dest.ptr(), res_bytes_slice.iter().cloned())?; + } + _ => bug!("simd_bitmask: invalid return type {}", dest.layout.ty), + } } "cast" | "as" | "cast_ptr" | "expose_provenance" | "with_exposed_provenance" => { let [op] = check_arg_count(args)?; diff --git a/src/tools/miri/tests/pass/intrinsics/portable-simd.rs b/src/tools/miri/tests/pass/intrinsics/portable-simd.rs index de87f153b6f4..c4ec45e4bbef 100644 --- a/src/tools/miri/tests/pass/intrinsics/portable-simd.rs +++ b/src/tools/miri/tests/pass/intrinsics/portable-simd.rs @@ -323,38 +323,77 @@ fn simd_mask() { #[repr(simd, packed)] #[allow(non_camel_case_types)] #[derive(Copy, Clone, Debug, PartialEq)] - struct i32x10(i32, i32, i32, i32, i32, i32, i32, i32, i32, i32); + struct i32x10([i32; 10]); impl i32x10 { fn splat(x: i32) -> Self { - Self(x, x, x, x, x, x, x, x, x, x) - } - fn from_array(a: [i32; 10]) -> Self { - unsafe { std::mem::transmute(a) } + Self([x; 10]) } } unsafe { - let mask = i32x10::from_array([!0, !0, 0, !0, 0, 0, !0, 0, !0, 0]); + let mask = i32x10([!0, !0, 0, !0, 0, 0, !0, 0, !0, 0]); + let mask_bits = if cfg!(target_endian = "little") { 0b0101001011 } else { 0b1101001010 }; + let mask_bytes = + if cfg!(target_endian = "little") { [0b01001011, 0b01] } else { [0b11, 0b01001010] }; + let bitmask1: u16 = simd_bitmask(mask); let bitmask2: [u8; 2] = simd_bitmask(mask); - if cfg!(target_endian = "little") { - assert_eq!(bitmask1, 0b0101001011); - assert_eq!(bitmask2, [0b01001011, 0b01]); - } else { - assert_eq!(bitmask1, 0b1101001010); - assert_eq!(bitmask2, [0b11, 0b01001010]); - } + assert_eq!(bitmask1, mask_bits); + assert_eq!(bitmask2, mask_bytes); + let selected1 = simd_select_bitmask::( - if cfg!(target_endian = "little") { 0b0101001011 } else { 0b1101001010 }, + mask_bits, i32x10::splat(!0), // yes i32x10::splat(0), // no ); let selected2 = simd_select_bitmask::<[u8; 2], _>( - if cfg!(target_endian = "little") { [0b01001011, 0b01] } else { [0b11, 0b01001010] }, + mask_bytes, i32x10::splat(!0), // yes i32x10::splat(0), // no ); assert_eq!(selected1, mask); - assert_eq!(selected2, selected1); + assert_eq!(selected2, mask); + } + + // Test for a mask where the next multiple of 8 is not a power of two. + #[repr(simd, packed)] + #[allow(non_camel_case_types)] + #[derive(Copy, Clone, Debug, PartialEq)] + struct i32x20([i32; 20]); + impl i32x20 { + fn splat(x: i32) -> Self { + Self([x; 20]) + } + } + unsafe { + let mask = i32x20([!0, !0, 0, !0, 0, 0, !0, 0, !0, 0, 0, 0, 0, !0, !0, !0, !0, !0, !0, !0]); + let mask_bits = if cfg!(target_endian = "little") { + 0b11111110000101001011 + } else { + 0b11010010100001111111 + }; + let mask_bytes = if cfg!(target_endian = "little") { + [0b01001011, 0b11100001, 0b1111] + } else { + [0b1101, 0b00101000, 0b01111111] + }; + + let bitmask1: u32 = simd_bitmask(mask); + let bitmask2: [u8; 3] = simd_bitmask(mask); + assert_eq!(bitmask1, mask_bits); + assert_eq!(bitmask2, mask_bytes); + + let selected1 = simd_select_bitmask::( + mask_bits, + i32x20::splat(!0), // yes + i32x20::splat(0), // no + ); + let selected2 = simd_select_bitmask::<[u8; 3], _>( + mask_bytes, + i32x20::splat(!0), // yes + i32x20::splat(0), // no + ); + assert_eq!(selected1, mask); + assert_eq!(selected2, mask); } } From ba45198c9bff9e7ab7d36171595e78a0f5f636d1 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sun, 9 Jun 2024 11:36:32 +0200 Subject: [PATCH 1230/1716] use strict ops in some places --- src/tools/miri/src/intrinsics/simd.rs | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/src/tools/miri/src/intrinsics/simd.rs b/src/tools/miri/src/intrinsics/simd.rs index 7818227c3bde..b2b81df55bb3 100644 --- a/src/tools/miri/src/intrinsics/simd.rs +++ b/src/tools/miri/src/intrinsics/simd.rs @@ -499,7 +499,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let bitmask_len = u32::try_from(bitmask_len).unwrap(); for i in 0..dest_len { let bit_i = simd_bitmask_index(i, dest_len, this.data_layout().endian); - let mask = mask & 1u64.checked_shl(bit_i).unwrap(); + let mask = mask & 1u64.strict_shl(bit_i); let yes = this.read_immediate(&this.project_index(&yes, i.into())?)?; let no = this.read_immediate(&this.project_index(&no, i.into())?)?; let dest = this.project_index(&dest, i.into())?; @@ -511,7 +511,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { // If the mask is "padded", ensure that padding is all-zero. // This deliberately does not use `simd_bitmask_index`; these bits are outside // the bitmask. It does not matter in which order we check them. - let mask = mask & 1u64.checked_shl(i).unwrap(); + let mask = mask & 1u64.strict_shl(i); if mask != 0 { throw_ub_format!( "a SIMD bitmask less than 8 bits long must be filled with 0s for the remaining bits" @@ -535,9 +535,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { for i in 0..op_len { let op = this.read_immediate(&this.project_index(&op, i.into())?)?; if simd_element_to_bool(op)? { - res |= 1u64 - .checked_shl(simd_bitmask_index(i, op_len, this.data_layout().endian)) - .unwrap(); + let bit_i = simd_bitmask_index(i, op_len, this.data_layout().endian); + res |= 1u64.strict_shl(bit_i); } } // Write the result, depending on the `dest` type. @@ -653,8 +652,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let val = if src_index < left_len { this.read_immediate(&this.project_index(&left, src_index)?)? - } else if src_index < left_len.checked_add(right_len).unwrap() { - let right_idx = src_index.checked_sub(left_len).unwrap(); + } else if src_index < left_len.strict_add(right_len) { + let right_idx = src_index.strict_sub(left_len); this.read_immediate(&this.project_index(&right, right_idx)?)? } else { throw_ub_format!( @@ -693,8 +692,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let val = if src_index < left_len { this.read_immediate(&this.project_index(&left, src_index)?)? - } else if src_index < left_len.checked_add(right_len).unwrap() { - let right_idx = src_index.checked_sub(left_len).unwrap(); + } else if src_index < left_len.strict_add(right_len) { + let right_idx = src_index.strict_sub(left_len); this.read_immediate(&this.project_index(&right, right_idx)?)? } else { throw_ub_format!( From fbe5015480f44cad99f9005a48f9699a3f633a96 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Sun, 9 Jun 2024 11:52:16 +0200 Subject: [PATCH 1231/1716] Fix documentation for `impl_common_helpers` in `run-make-support` --- src/tools/run-make-support/src/lib.rs | 20 ++++++-------------- 1 file changed, 6 insertions(+), 14 deletions(-) diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index b17f217c133b..cea1313e29d7 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -318,38 +318,30 @@ pub fn run_in_tmpdir(callback: F) { } /// Implement common helpers for command wrappers. This assumes that the command wrapper is a struct -/// containing a `cmd: Command` field and a `output` function. The provided helpers are: +/// containing a `cmd: Command` field. The provided helpers are: /// /// 1. Generic argument acceptors: `arg` and `args` (delegated to [`Command`]). These are intended /// to be *fallback* argument acceptors, when specific helpers don't make sense. Prefer to add /// new specific helper methods over relying on these generic argument providers. /// 2. Environment manipulation methods: `env`, `env_remove` and `env_clear`: these delegate to /// methods of the same name on [`Command`]. -/// 3. Output and execution: `output`, `run` and `run_fail` are provided. `output` waits for the -/// command to finish running and returns the process's [`Output`]. `run` and `run_fail` are -/// higher-level convenience methods which waits for the command to finish running and assert -/// that the command successfully ran or failed as expected. Prefer `run` and `run_fail` when -/// possible. +/// 3. Output and execution: `run` and `run_fail` are provided. These are +/// higher-level convenience methods which wait for the command to finish running and assert +/// that the command successfully ran or failed as expected. They return +/// [`CompletedProcess`], which can be used to assert the stdout/stderr/exit code of the executed +/// process. /// /// Example usage: /// /// ```ignore (illustrative) /// struct CommandWrapper { cmd: Command } // <- required `cmd` field /// -/// impl CommandWrapper { -/// /// Get the [`Output`][::std::process::Output] of the finished process. -/// pub fn command_output(&mut self) -> Output { /* ... */ } // <- required `command_output()` method -/// } -/// /// crate::impl_common_helpers!(CommandWrapper); /// /// impl CommandWrapper { /// // ... additional specific helper methods /// } /// ``` -/// -/// [`Command`]: ::std::process::Command -/// [`Output`]: ::std::process::Output macro_rules! impl_common_helpers { ($wrapper: ident) => { impl $wrapper { From d5fb8257e7533edd1f2699f9b92f80848477c800 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sun, 9 Jun 2024 09:37:15 +0200 Subject: [PATCH 1232/1716] interpret: do not ICE on padded non-pow2 SIMD vectors --- .../rustc_const_eval/src/interpret/place.rs | 13 ++++++----- .../src/interpret/projection.rs | 2 ++ .../tests/pass/intrinsics/portable-simd.rs | 23 ++++++++++++++++++- 3 files changed, 31 insertions(+), 7 deletions(-) diff --git a/compiler/rustc_const_eval/src/interpret/place.rs b/compiler/rustc_const_eval/src/interpret/place.rs index 4a86ec3f57a4..046ff34e3d07 100644 --- a/compiler/rustc_const_eval/src/interpret/place.rs +++ b/compiler/rustc_const_eval/src/interpret/place.rs @@ -499,13 +499,14 @@ where &self, mplace: &MPlaceTy<'tcx, M::Provenance>, ) -> InterpResult<'tcx, (MPlaceTy<'tcx, M::Provenance>, u64)> { - // Basically we just transmute this place into an array following simd_size_and_type. - // (Transmuting is okay since this is an in-memory place. We also double-check the size - // stays the same.) + // Basically we want to transmute this place into an array following simd_size_and_type. let (len, e_ty) = mplace.layout.ty.simd_size_and_type(*self.tcx); - let array = Ty::new_array(self.tcx.tcx, e_ty, len); - let layout = self.layout_of(array)?; - let mplace = mplace.transmute(layout, self)?; + // Some SIMD types have padding, so `len` many `e_ty` does not cover the entire place. + // Therefore we cannot transmute, and instead we project at offset 0, which side-steps + // the size check. + let array_layout = self.layout_of(Ty::new_array(self.tcx.tcx, e_ty, len))?; + assert!(array_layout.size <= mplace.layout.size); + let mplace = mplace.offset(Size::ZERO, array_layout, self)?; Ok((mplace, len)) } diff --git a/compiler/rustc_const_eval/src/interpret/projection.rs b/compiler/rustc_const_eval/src/interpret/projection.rs index 0e594914c3a7..09e1a59dfa1a 100644 --- a/compiler/rustc_const_eval/src/interpret/projection.rs +++ b/compiler/rustc_const_eval/src/interpret/projection.rs @@ -81,6 +81,8 @@ pub trait Projectable<'tcx, Prov: Provenance>: Sized + std::fmt::Debug { ecx: &InterpCx<'tcx, M>, ) -> InterpResult<'tcx, Self> { assert!(layout.is_sized()); + // We sometimes do pointer arithmetic with this function, disregarding the source type. + // So we don't check the sizes here. self.offset_with_meta(offset, OffsetMode::Inbounds, MemPlaceMeta::None, layout, ecx) } diff --git a/src/tools/miri/tests/pass/intrinsics/portable-simd.rs b/src/tools/miri/tests/pass/intrinsics/portable-simd.rs index 248a57d68504..5250a1138b74 100644 --- a/src/tools/miri/tests/pass/intrinsics/portable-simd.rs +++ b/src/tools/miri/tests/pass/intrinsics/portable-simd.rs @@ -1,5 +1,5 @@ //@compile-flags: -Zmiri-strict-provenance -#![feature(portable_simd, adt_const_params, core_intrinsics)] +#![feature(portable_simd, adt_const_params, core_intrinsics, repr_simd)] #![allow(incomplete_features, internal_features)] use std::intrinsics::simd as intrinsics; use std::ptr; @@ -581,11 +581,32 @@ fn simd_masked_loadstore() { assert_eq!(buf, [2, 3, 4]); } +fn simd_ops_non_pow2() { + // Just a little smoke test for operations on non-power-of-two vectors. + #[repr(simd, packed)] + #[derive(Copy, Clone)] + pub struct SimdPacked([T; N]); + #[repr(simd)] + #[derive(Copy, Clone)] + pub struct SimdPadded([T; N]); + + let x = SimdPacked([1u32; 3]); + let y = SimdPacked([2u32; 3]); + let z = unsafe { intrinsics::simd_add(x, y) }; + assert_eq!({ z.0 }, [3u32; 3]); + + let x = SimdPadded([1u32; 3]); + let y = SimdPadded([2u32; 3]); + let z = unsafe { intrinsics::simd_add(x, y) }; + assert_eq!(z.0, [3u32; 3]); +} + fn main() { simd_mask(); simd_ops_f32(); simd_ops_f64(); simd_ops_i32(); + simd_ops_non_pow2(); simd_cast(); simd_swizzle(); simd_gather_scatter(); From 844450ae3a8e5beec3ee514d5d87f688b0822b09 Mon Sep 17 00:00:00 2001 From: tiif Date: Fri, 7 Jun 2024 22:07:49 +0800 Subject: [PATCH 1233/1716] First attempt --- src/tools/miri/src/clock.rs | 25 +++++++++++++------ .../tests/pass-dep/concurrency/linux-futex.rs | 16 ++++++++++++ 2 files changed, 34 insertions(+), 7 deletions(-) diff --git a/src/tools/miri/src/clock.rs b/src/tools/miri/src/clock.rs index fd0c121626b6..c18e1bc7a9ec 100644 --- a/src/tools/miri/src/clock.rs +++ b/src/tools/miri/src/clock.rs @@ -6,7 +6,7 @@ use std::time::{Duration, Instant as StdInstant}; /// This number is pretty random, but it has been shown to approximately cause /// some sample programs to run within an order of magnitude of real time on desktop CPUs. /// (See `tests/pass/shims/time-with-isolation*.rs`.) -const NANOSECONDS_PER_BASIC_BLOCK: u64 = 5000; +const NANOSECONDS_PER_BASIC_BLOCK: u128 = 5000; #[derive(Debug)] pub struct Instant { @@ -16,7 +16,7 @@ pub struct Instant { #[derive(Debug)] enum InstantKind { Host(StdInstant), - Virtual { nanoseconds: u64 }, + Virtual { nanoseconds: u128 }, } impl Instant { @@ -25,9 +25,8 @@ impl Instant { InstantKind::Host(instant) => instant.checked_add(duration).map(|i| Instant { kind: InstantKind::Host(i) }), InstantKind::Virtual { nanoseconds } => - u128::from(nanoseconds) + nanoseconds .checked_add(duration.as_nanos()) - .and_then(|n| u64::try_from(n).ok()) .map(|nanoseconds| Instant { kind: InstantKind::Virtual { nanoseconds } }), } } @@ -39,7 +38,19 @@ impl Instant { ( InstantKind::Virtual { nanoseconds }, InstantKind::Virtual { nanoseconds: earlier }, - ) => Duration::from_nanos(nanoseconds.saturating_sub(earlier)), + ) => { + // Trade some nanosecond precision to prevent as much overflow as possible. + let duration = match u64::try_from( + // Manually convert from nanosecond to millisecond. + // If it exceeded u64::MAX millisecond, we will just use u64::MAX millisecond, + // Duration can't take in more than u64::MAX millisecond. + nanoseconds.saturating_sub(earlier).saturating_div(1_000_000), + ) { + Ok(millisecond) => Duration::from_millis(millisecond), + _ => Duration::from_millis(u64::MAX), + }; + Duration::new(duration.as_secs(), duration.subsec_nanos()) + } _ => panic!("all `Instant` must be of the same kind"), } } @@ -59,7 +70,7 @@ enum ClockKind { }, Virtual { /// The "current virtual time". - nanoseconds: Cell, + nanoseconds: Cell, }, } @@ -93,7 +104,7 @@ impl Clock { ClockKind::Host { .. } => std::thread::sleep(duration), ClockKind::Virtual { nanoseconds } => { // Just pretend that we have slept for some time. - let nanos: u64 = duration.as_nanos().try_into().unwrap(); + let nanos: u128 = duration.as_nanos().try_into().unwrap(); nanoseconds.update(|x| x + nanos); } } diff --git a/src/tools/miri/tests/pass-dep/concurrency/linux-futex.rs b/src/tools/miri/tests/pass-dep/concurrency/linux-futex.rs index d21f953672de..59319b93748b 100644 --- a/src/tools/miri/tests/pass-dep/concurrency/linux-futex.rs +++ b/src/tools/miri/tests/pass-dep/concurrency/linux-futex.rs @@ -280,7 +280,23 @@ fn concurrent_wait_wake() { assert!(woken > 0 && woken < rounds); } +// Reproduce of https://github.com/rust-lang/miri/issues/3647. +fn large_timeout() { + let futex: i32 = 123; + + unsafe { + libc::syscall( + libc::SYS_futex, + addr_of!(futex), + libc::FUTEX_WAIT, + 123, + &libc::timespec { tv_sec: 184467440839020, tv_nsec: 117558982 }, + ); + } +} + fn main() { + large_timeout(); wake_nobody(); wake_dangling(); wait_wrong_val(); From 0bca4e1a227665a3b1c737f874048ccd9633b248 Mon Sep 17 00:00:00 2001 From: tiif Date: Fri, 7 Jun 2024 22:59:36 +0800 Subject: [PATCH 1234/1716] Convert u128 to nanosecond --- src/tools/miri/src/clock.rs | 16 ++++++---------- .../tests/pass-dep/concurrency/linux-futex.rs | 4 ++-- 2 files changed, 8 insertions(+), 12 deletions(-) diff --git a/src/tools/miri/src/clock.rs b/src/tools/miri/src/clock.rs index c18e1bc7a9ec..da2c54745a03 100644 --- a/src/tools/miri/src/clock.rs +++ b/src/tools/miri/src/clock.rs @@ -39,15 +39,11 @@ impl Instant { InstantKind::Virtual { nanoseconds }, InstantKind::Virtual { nanoseconds: earlier }, ) => { - // Trade some nanosecond precision to prevent as much overflow as possible. - let duration = match u64::try_from( - // Manually convert from nanosecond to millisecond. - // If it exceeded u64::MAX millisecond, we will just use u64::MAX millisecond, - // Duration can't take in more than u64::MAX millisecond. - nanoseconds.saturating_sub(earlier).saturating_div(1_000_000), - ) { - Ok(millisecond) => Duration::from_millis(millisecond), - _ => Duration::from_millis(u64::MAX), + // If it exceeded u64::MAX nanosecond, we will just keep u64::MAX nanosecond, + // Duration can't take in more than u64::MAX. + let duration = match u64::try_from(nanoseconds.saturating_sub(earlier)) { + Ok(nanosecond) => Duration::from_nanos(nanosecond), + Err(_err) => Duration::from_nanos(u64::MAX), }; Duration::new(duration.as_secs(), duration.subsec_nanos()) } @@ -104,7 +100,7 @@ impl Clock { ClockKind::Host { .. } => std::thread::sleep(duration), ClockKind::Virtual { nanoseconds } => { // Just pretend that we have slept for some time. - let nanos: u128 = duration.as_nanos().try_into().unwrap(); + let nanos: u128 = duration.as_nanos(); nanoseconds.update(|x| x + nanos); } } diff --git a/src/tools/miri/tests/pass-dep/concurrency/linux-futex.rs b/src/tools/miri/tests/pass-dep/concurrency/linux-futex.rs index 59319b93748b..5e266c7949fa 100644 --- a/src/tools/miri/tests/pass-dep/concurrency/linux-futex.rs +++ b/src/tools/miri/tests/pass-dep/concurrency/linux-futex.rs @@ -280,7 +280,7 @@ fn concurrent_wait_wake() { assert!(woken > 0 && woken < rounds); } -// Reproduce of https://github.com/rust-lang/miri/issues/3647. +// Reproduce https://github.com/rust-lang/miri/issues/3647. This should not ICE. fn large_timeout() { let futex: i32 = 123; @@ -296,7 +296,6 @@ fn large_timeout() { } fn main() { - large_timeout(); wake_nobody(); wake_dangling(); wait_wrong_val(); @@ -305,4 +304,5 @@ fn main() { wait_wake(); wait_wake_bitset(); concurrent_wait_wake(); + large_timeout(); } From 9f60709ffd1d9d0fc7d775d18cce23d0c60ed649 Mon Sep 17 00:00:00 2001 From: tiif Date: Fri, 7 Jun 2024 23:12:07 +0800 Subject: [PATCH 1235/1716] Remove test --- .../tests/pass-dep/concurrency/linux-futex.rs | 16 ---------------- 1 file changed, 16 deletions(-) diff --git a/src/tools/miri/tests/pass-dep/concurrency/linux-futex.rs b/src/tools/miri/tests/pass-dep/concurrency/linux-futex.rs index 5e266c7949fa..d21f953672de 100644 --- a/src/tools/miri/tests/pass-dep/concurrency/linux-futex.rs +++ b/src/tools/miri/tests/pass-dep/concurrency/linux-futex.rs @@ -280,21 +280,6 @@ fn concurrent_wait_wake() { assert!(woken > 0 && woken < rounds); } -// Reproduce https://github.com/rust-lang/miri/issues/3647. This should not ICE. -fn large_timeout() { - let futex: i32 = 123; - - unsafe { - libc::syscall( - libc::SYS_futex, - addr_of!(futex), - libc::FUTEX_WAIT, - 123, - &libc::timespec { tv_sec: 184467440839020, tv_nsec: 117558982 }, - ); - } -} - fn main() { wake_nobody(); wake_dangling(); @@ -304,5 +289,4 @@ fn main() { wait_wake(); wait_wake_bitset(); concurrent_wait_wake(); - large_timeout(); } From 9cf04b5a22e20fd0a537196a610b0e2b85b8d485 Mon Sep 17 00:00:00 2001 From: tiif Date: Sat, 8 Jun 2024 00:56:48 +0800 Subject: [PATCH 1236/1716] Use modulo operation to convert nanosecond to Duration --- src/tools/miri/src/clock.rs | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/src/tools/miri/src/clock.rs b/src/tools/miri/src/clock.rs index da2c54745a03..942593530c37 100644 --- a/src/tools/miri/src/clock.rs +++ b/src/tools/miri/src/clock.rs @@ -39,13 +39,14 @@ impl Instant { InstantKind::Virtual { nanoseconds }, InstantKind::Virtual { nanoseconds: earlier }, ) => { - // If it exceeded u64::MAX nanosecond, we will just keep u64::MAX nanosecond, - // Duration can't take in more than u64::MAX. - let duration = match u64::try_from(nanoseconds.saturating_sub(earlier)) { - Ok(nanosecond) => Duration::from_nanos(nanosecond), - Err(_err) => Duration::from_nanos(u64::MAX), - }; - Duration::new(duration.as_secs(), duration.subsec_nanos()) + // It is possible for second to overflow because u64::MAX < (u128::MAX / 1e9). + let seconds = u64::try_from( + nanoseconds.saturating_sub(earlier).saturating_div(1_000_000_000), + ) + .unwrap(); + // It is impossible for nanosecond to overflow because u32::MAX > 1e9. + let nanosecond = u32::try_from(nanoseconds.wrapping_rem(1_000_000_000)).unwrap(); + Duration::new(seconds, nanosecond) } _ => panic!("all `Instant` must be of the same kind"), } From aa8323585cf3b8846b4dd83f48404a26f7df63c9 Mon Sep 17 00:00:00 2001 From: tiif Date: Sat, 8 Jun 2024 01:21:56 +0800 Subject: [PATCH 1237/1716] Move duration division out --- src/tools/miri/src/clock.rs | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/src/tools/miri/src/clock.rs b/src/tools/miri/src/clock.rs index 942593530c37..b8d0c847069c 100644 --- a/src/tools/miri/src/clock.rs +++ b/src/tools/miri/src/clock.rs @@ -39,13 +39,11 @@ impl Instant { InstantKind::Virtual { nanoseconds }, InstantKind::Virtual { nanoseconds: earlier }, ) => { + let duration = nanoseconds.saturating_sub(earlier); // It is possible for second to overflow because u64::MAX < (u128::MAX / 1e9). - let seconds = u64::try_from( - nanoseconds.saturating_sub(earlier).saturating_div(1_000_000_000), - ) - .unwrap(); + let seconds = u64::try_from(duration.saturating_div(1_000_000_000)).unwrap(); // It is impossible for nanosecond to overflow because u32::MAX > 1e9. - let nanosecond = u32::try_from(nanoseconds.wrapping_rem(1_000_000_000)).unwrap(); + let nanosecond = u32::try_from(duration.wrapping_rem(1_000_000_000)).unwrap(); Duration::new(seconds, nanosecond) } _ => panic!("all `Instant` must be of the same kind"), From d0fb350b6adaebfe342ddadb220baa415ab29824 Mon Sep 17 00:00:00 2001 From: byt <55319043+tiif@users.noreply.github.com> Date: Sun, 9 Jun 2024 17:59:06 +0800 Subject: [PATCH 1238/1716] Add comment for u128 to u64 conversion. Co-authored-by: Ralf Jung --- src/tools/miri/src/clock.rs | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/tools/miri/src/clock.rs b/src/tools/miri/src/clock.rs index b8d0c847069c..2ace9b66de7b 100644 --- a/src/tools/miri/src/clock.rs +++ b/src/tools/miri/src/clock.rs @@ -40,6 +40,8 @@ impl Instant { InstantKind::Virtual { nanoseconds: earlier }, ) => { let duration = nanoseconds.saturating_sub(earlier); + // `Duration` does not provide a nice constructor from a `u128` of nanoseconds, + // so we have to implement this ourselves. // It is possible for second to overflow because u64::MAX < (u128::MAX / 1e9). let seconds = u64::try_from(duration.saturating_div(1_000_000_000)).unwrap(); // It is impossible for nanosecond to overflow because u32::MAX > 1e9. From e85c521f371ff6f5ffd813ccc453827064d2473d Mon Sep 17 00:00:00 2001 From: byt <55319043+tiif@users.noreply.github.com> Date: Sun, 9 Jun 2024 17:59:30 +0800 Subject: [PATCH 1239/1716] Checked add for duration update Co-authored-by: Ralf Jung --- src/tools/miri/src/clock.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/miri/src/clock.rs b/src/tools/miri/src/clock.rs index 2ace9b66de7b..e730f523c7b0 100644 --- a/src/tools/miri/src/clock.rs +++ b/src/tools/miri/src/clock.rs @@ -102,7 +102,7 @@ impl Clock { ClockKind::Virtual { nanoseconds } => { // Just pretend that we have slept for some time. let nanos: u128 = duration.as_nanos(); - nanoseconds.update(|x| x + nanos); + nanoseconds.update(|x| x.checked_add(nanos).expect("Miri's virtual clock cannot represent an execution this long")); } } } From 21d66afb8f9f3736fcd2a2ff82f1d7aa31f15915 Mon Sep 17 00:00:00 2001 From: tiif Date: Sun, 9 Jun 2024 17:58:21 +0800 Subject: [PATCH 1240/1716] Saturate to u64::MAX --- src/tools/miri/src/clock.rs | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/tools/miri/src/clock.rs b/src/tools/miri/src/clock.rs index e730f523c7b0..de6e883f117e 100644 --- a/src/tools/miri/src/clock.rs +++ b/src/tools/miri/src/clock.rs @@ -43,7 +43,8 @@ impl Instant { // `Duration` does not provide a nice constructor from a `u128` of nanoseconds, // so we have to implement this ourselves. // It is possible for second to overflow because u64::MAX < (u128::MAX / 1e9). - let seconds = u64::try_from(duration.saturating_div(1_000_000_000)).unwrap(); + // It will be saturated to u64::MAX seconds if the value after division exceeds u64::MAX. + let seconds = u64::try_from(duration / 1_000_000_000).unwrap_or(u64::MAX); // It is impossible for nanosecond to overflow because u32::MAX > 1e9. let nanosecond = u32::try_from(duration.wrapping_rem(1_000_000_000)).unwrap(); Duration::new(seconds, nanosecond) From 40182becc33908598d6ee00e5741fd6d218fa2c1 Mon Sep 17 00:00:00 2001 From: tiif Date: Sun, 9 Jun 2024 18:00:43 +0800 Subject: [PATCH 1241/1716] Run cargo fmt --- src/tools/miri/src/clock.rs | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/src/tools/miri/src/clock.rs b/src/tools/miri/src/clock.rs index de6e883f117e..3f86767277af 100644 --- a/src/tools/miri/src/clock.rs +++ b/src/tools/miri/src/clock.rs @@ -103,7 +103,10 @@ impl Clock { ClockKind::Virtual { nanoseconds } => { // Just pretend that we have slept for some time. let nanos: u128 = duration.as_nanos(); - nanoseconds.update(|x| x.checked_add(nanos).expect("Miri's virtual clock cannot represent an execution this long")); + nanoseconds.update(|x| { + x.checked_add(nanos) + .expect("Miri's virtual clock cannot represent an execution this long") + }); } } } From 87c4d29ce247111f5bdc2d139fe0ac44c72b506e Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sun, 9 Jun 2024 13:07:30 +0200 Subject: [PATCH 1242/1716] don't panic if time computaton overflows --- src/tools/miri/src/clock.rs | 33 ++++++++----- src/tools/miri/src/concurrency/sync.rs | 5 +- src/tools/miri/src/concurrency/thread.rs | 55 +++++++++++++++++++-- src/tools/miri/src/lib.rs | 4 +- src/tools/miri/src/shims/time.rs | 18 ++----- src/tools/miri/src/shims/unix/linux/sync.rs | 39 ++++++--------- src/tools/miri/src/shims/unix/sync.rs | 9 ++-- src/tools/miri/src/shims/windows/sync.rs | 6 +-- 8 files changed, 102 insertions(+), 67 deletions(-) diff --git a/src/tools/miri/src/clock.rs b/src/tools/miri/src/clock.rs index 3f86767277af..c9bffc449f7f 100644 --- a/src/tools/miri/src/clock.rs +++ b/src/tools/miri/src/clock.rs @@ -20,14 +20,20 @@ enum InstantKind { } impl Instant { - pub fn checked_add(&self, duration: Duration) -> Option { + /// Will try to add `duration`, but if that overflows it may add less. + pub fn add_lossy(&self, duration: Duration) -> Instant { match self.kind { - InstantKind::Host(instant) => - instant.checked_add(duration).map(|i| Instant { kind: InstantKind::Host(i) }), - InstantKind::Virtual { nanoseconds } => - nanoseconds - .checked_add(duration.as_nanos()) - .map(|nanoseconds| Instant { kind: InstantKind::Virtual { nanoseconds } }), + InstantKind::Host(instant) => { + // If this overflows, try adding just 1h and assume that will not overflow. + let i = instant + .checked_add(duration) + .unwrap_or_else(|| instant.checked_add(Duration::from_secs(3600)).unwrap()); + Instant { kind: InstantKind::Host(i) } + } + InstantKind::Virtual { nanoseconds } => { + let n = nanoseconds.saturating_add(duration.as_nanos()); + Instant { kind: InstantKind::Virtual { nanoseconds: n } } + } } } @@ -63,8 +69,9 @@ pub struct Clock { #[derive(Debug)] enum ClockKind { Host { - /// The "time anchor" for this machine's monotone clock. - time_anchor: StdInstant, + /// The "epoch" for this machine's monotone clock: + /// the moment we consider to be time = 0. + epoch: StdInstant, }, Virtual { /// The "current virtual time". @@ -76,7 +83,7 @@ impl Clock { /// Create a new clock based on the availability of communication with the host. pub fn new(communicate: bool) -> Self { let kind = if communicate { - ClockKind::Host { time_anchor: StdInstant::now() } + ClockKind::Host { epoch: StdInstant::now() } } else { ClockKind::Virtual { nanoseconds: 0.into() } }; @@ -111,10 +118,10 @@ impl Clock { } } - /// Return the `anchor` instant, to convert between monotone instants and durations relative to the anchor. - pub fn anchor(&self) -> Instant { + /// Return the `epoch` instant (time = 0), to convert between monotone instants and absolute durations. + pub fn epoch(&self) -> Instant { match &self.kind { - ClockKind::Host { time_anchor } => Instant { kind: InstantKind::Host(*time_anchor) }, + ClockKind::Host { epoch } => Instant { kind: InstantKind::Host(*epoch) }, ClockKind::Virtual { .. } => Instant { kind: InstantKind::Virtual { nanoseconds: 0 } }, } } diff --git a/src/tools/miri/src/concurrency/sync.rs b/src/tools/miri/src/concurrency/sync.rs index 030546b7cb51..76a045c4dc16 100644 --- a/src/tools/miri/src/concurrency/sync.rs +++ b/src/tools/miri/src/concurrency/sync.rs @@ -1,5 +1,6 @@ use std::collections::{hash_map::Entry, VecDeque}; use std::ops::Not; +use std::time::Duration; use rustc_data_structures::fx::FxHashMap; use rustc_index::{Idx, IndexVec}; @@ -623,7 +624,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, condvar: CondvarId, mutex: MutexId, - timeout: Option, + timeout: Option<(TimeoutClock, TimeoutAnchor, Duration)>, retval_succ: Scalar, retval_timeout: Scalar, dest: MPlaceTy<'tcx>, @@ -704,7 +705,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, addr: u64, bitset: u32, - timeout: Option, + timeout: Option<(TimeoutClock, TimeoutAnchor, Duration)>, retval_succ: Scalar, retval_timeout: Scalar, dest: MPlaceTy<'tcx>, diff --git a/src/tools/miri/src/concurrency/thread.rs b/src/tools/miri/src/concurrency/thread.rs index e76c16fb8306..6a2b99825adc 100644 --- a/src/tools/miri/src/concurrency/thread.rs +++ b/src/tools/miri/src/concurrency/thread.rs @@ -407,7 +407,7 @@ impl VisitProvenance for Frame<'_, Provenance, FrameExtra<'_>> { /// The moment in time when a blocked thread should be woken up. #[derive(Debug)] -pub enum Timeout { +enum Timeout { Monotonic(Instant), RealTime(SystemTime), } @@ -421,6 +421,34 @@ impl Timeout { time.duration_since(SystemTime::now()).unwrap_or(Duration::ZERO), } } + + /// Will try to add `duration`, but if that overflows it may add less. + fn add_lossy(&self, duration: Duration) -> Self { + match self { + Timeout::Monotonic(i) => Timeout::Monotonic(i.add_lossy(duration)), + Timeout::RealTime(s) => { + // If this overflows, try adding just 1h and assume that will not overflow. + Timeout::RealTime( + s.checked_add(duration) + .unwrap_or_else(|| s.checked_add(Duration::from_secs(3600)).unwrap()), + ) + } + } + } +} + +/// The clock to use for the timeout you are asking for. +#[derive(Debug, Copy, Clone)] +pub enum TimeoutClock { + Monotonic, + RealTime, +} + +/// Whether the timeout is relative or absolute. +#[derive(Debug, Copy, Clone)] +pub enum TimeoutAnchor { + Relative, + Absolute, } /// A set of threads. @@ -995,13 +1023,30 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn block_thread( &mut self, reason: BlockReason, - timeout: Option, + timeout: Option<(TimeoutClock, TimeoutAnchor, Duration)>, callback: impl UnblockCallback<'tcx> + 'tcx, ) { let this = self.eval_context_mut(); - if !this.machine.communicate() && matches!(timeout, Some(Timeout::RealTime(..))) { - panic!("cannot have `RealTime` callback with isolation enabled!") - } + let timeout = timeout.map(|(clock, anchor, duration)| { + let anchor = match clock { + TimeoutClock::RealTime => { + assert!( + this.machine.communicate(), + "cannot have `RealTime` timeout with isolation enabled!" + ); + Timeout::RealTime(match anchor { + TimeoutAnchor::Absolute => SystemTime::UNIX_EPOCH, + TimeoutAnchor::Relative => SystemTime::now(), + }) + } + TimeoutClock::Monotonic => + Timeout::Monotonic(match anchor { + TimeoutAnchor::Absolute => this.machine.clock.epoch(), + TimeoutAnchor::Relative => this.machine.clock.now(), + }), + }; + anchor.add_lossy(duration) + }); this.machine.threads.block_thread(reason, timeout, callback); } diff --git a/src/tools/miri/src/lib.rs b/src/tools/miri/src/lib.rs index 94aed0645fa4..11cbbde06aa0 100644 --- a/src/tools/miri/src/lib.rs +++ b/src/tools/miri/src/lib.rs @@ -132,8 +132,8 @@ pub use crate::concurrency::{ init_once::{EvalContextExt as _, InitOnceId}, sync::{CondvarId, EvalContextExt as _, MutexId, RwLockId, SynchronizationObjects}, thread::{ - BlockReason, EvalContextExt as _, StackEmptyCallback, ThreadId, ThreadManager, Timeout, - UnblockCallback, + BlockReason, EvalContextExt as _, StackEmptyCallback, ThreadId, ThreadManager, + TimeoutAnchor, TimeoutClock, UnblockCallback, }, }; pub use crate::diagnostics::{ diff --git a/src/tools/miri/src/shims/time.rs b/src/tools/miri/src/shims/time.rs index 8206b15d0a08..ae17196f0b78 100644 --- a/src/tools/miri/src/shims/time.rs +++ b/src/tools/miri/src/shims/time.rs @@ -78,7 +78,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { this.check_no_isolation("`clock_gettime` with `REALTIME` clocks")?; system_time_to_duration(&SystemTime::now())? } else if relative_clocks.contains(&clk_id) { - this.machine.clock.now().duration_since(this.machine.clock.anchor()) + this.machine.clock.now().duration_since(this.machine.clock.epoch()) } else { let einval = this.eval_libc("EINVAL"); this.set_last_error(einval)?; @@ -246,7 +246,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { // QueryPerformanceCounter uses a hardware counter as its basis. // Miri will emulate a counter with a resolution of 1 nanosecond. - let duration = this.machine.clock.now().duration_since(this.machine.clock.anchor()); + let duration = this.machine.clock.now().duration_since(this.machine.clock.epoch()); let qpc = i64::try_from(duration.as_nanos()).map_err(|_| { err_unsup_format!("programs running longer than 2^63 nanoseconds are not supported") })?; @@ -282,7 +282,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { // This returns a u64, with time units determined dynamically by `mach_timebase_info`. // We return plain nanoseconds. - let duration = this.machine.clock.now().duration_since(this.machine.clock.anchor()); + let duration = this.machine.clock.now().duration_since(this.machine.clock.epoch()); let res = u64::try_from(duration.as_nanos()).map_err(|_| { err_unsup_format!("programs running longer than 2^64 nanoseconds are not supported") })?; @@ -323,16 +323,10 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { return Ok(-1); } }; - // If adding the duration overflows, let's just sleep for an hour. Waking up early is always acceptable. - let now = this.machine.clock.now(); - let timeout_time = now - .checked_add(duration) - .unwrap_or_else(|| now.checked_add(Duration::from_secs(3600)).unwrap()); - let timeout_time = Timeout::Monotonic(timeout_time); this.block_thread( BlockReason::Sleep, - Some(timeout_time), + Some((TimeoutClock::Monotonic, TimeoutAnchor::Relative, duration)), callback!( @capture<'tcx> {} @unblock = |_this| { panic!("sleeping thread unblocked before time is up") } @@ -351,12 +345,10 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let timeout_ms = this.read_scalar(timeout)?.to_u32()?; let duration = Duration::from_millis(timeout_ms.into()); - let timeout_time = this.machine.clock.now().checked_add(duration).unwrap(); - let timeout_time = Timeout::Monotonic(timeout_time); this.block_thread( BlockReason::Sleep, - Some(timeout_time), + Some((TimeoutClock::Monotonic, TimeoutAnchor::Relative, duration)), callback!( @capture<'tcx> {} @unblock = |_this| { panic!("sleeping thread unblocked before time is up") } diff --git a/src/tools/miri/src/shims/unix/linux/sync.rs b/src/tools/miri/src/shims/unix/linux/sync.rs index 3e0d5e58d4cd..bd2120390741 100644 --- a/src/tools/miri/src/shims/unix/linux/sync.rs +++ b/src/tools/miri/src/shims/unix/linux/sync.rs @@ -1,5 +1,3 @@ -use std::time::SystemTime; - use crate::*; /// Implementation of the SYS_futex syscall. @@ -84,15 +82,9 @@ pub fn futex<'tcx>( } let timeout = this.deref_pointer_as(&args[3], this.libc_ty_layout("timespec"))?; - let timeout_time = if this.ptr_is_null(timeout.ptr())? { + let timeout = if this.ptr_is_null(timeout.ptr())? { None } else { - let realtime = op & futex_realtime == futex_realtime; - if realtime { - this.check_no_isolation( - "`futex` syscall with `op=FUTEX_WAIT` and non-null timeout with `FUTEX_CLOCK_REALTIME`", - )?; - } let duration = match this.read_timespec(&timeout)? { Some(duration) => duration, None => { @@ -102,23 +94,22 @@ pub fn futex<'tcx>( return Ok(()); } }; - Some(if wait_bitset { + let timeout_clock = if op & futex_realtime == futex_realtime { + this.check_no_isolation( + "`futex` syscall with `op=FUTEX_WAIT` and non-null timeout with `FUTEX_CLOCK_REALTIME`", + )?; + TimeoutClock::RealTime + } else { + TimeoutClock::Monotonic + }; + let timeout_anchor = if wait_bitset { // FUTEX_WAIT_BITSET uses an absolute timestamp. - if realtime { - Timeout::RealTime(SystemTime::UNIX_EPOCH.checked_add(duration).unwrap()) - } else { - Timeout::Monotonic( - this.machine.clock.anchor().checked_add(duration).unwrap(), - ) - } + TimeoutAnchor::Absolute } else { // FUTEX_WAIT uses a relative timestamp. - if realtime { - Timeout::RealTime(SystemTime::now().checked_add(duration).unwrap()) - } else { - Timeout::Monotonic(this.machine.clock.now().checked_add(duration).unwrap()) - } - }) + TimeoutAnchor::Relative + }; + Some((timeout_clock, timeout_anchor, duration)) }; // There may be a concurrent thread changing the value of addr // and then invoking the FUTEX_WAKE syscall. It is critical that the @@ -172,7 +163,7 @@ pub fn futex<'tcx>( this.futex_wait( addr_usize, bitset, - timeout_time, + timeout, Scalar::from_target_isize(0, this), // retval_succ Scalar::from_target_isize(-1, this), // retval_timeout dest.clone(), diff --git a/src/tools/miri/src/shims/unix/sync.rs b/src/tools/miri/src/shims/unix/sync.rs index 7d4c32bc87e9..be6732b1b67e 100644 --- a/src/tools/miri/src/shims/unix/sync.rs +++ b/src/tools/miri/src/shims/unix/sync.rs @@ -1,5 +1,4 @@ use std::sync::atomic::{AtomicBool, Ordering}; -use std::time::SystemTime; use rustc_target::abi::Size; @@ -849,11 +848,11 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { return Ok(()); } }; - let timeout_time = if is_cond_clock_realtime(this, clock_id) { + let timeout_clock = if is_cond_clock_realtime(this, clock_id) { this.check_no_isolation("`pthread_cond_timedwait` with `CLOCK_REALTIME`")?; - Timeout::RealTime(SystemTime::UNIX_EPOCH.checked_add(duration).unwrap()) + TimeoutClock::RealTime } else if clock_id == this.eval_libc_i32("CLOCK_MONOTONIC") { - Timeout::Monotonic(this.machine.clock.anchor().checked_add(duration).unwrap()) + TimeoutClock::Monotonic } else { throw_unsup_format!("unsupported clock id: {}", clock_id); }; @@ -861,7 +860,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { this.condvar_wait( id, mutex_id, - Some(timeout_time), + Some((timeout_clock, TimeoutAnchor::Absolute, duration)), Scalar::from_i32(0), this.eval_libc("ETIMEDOUT"), // retval_timeout dest.clone(), diff --git a/src/tools/miri/src/shims/windows/sync.rs b/src/tools/miri/src/shims/windows/sync.rs index e77986dd5fe0..e1fbb77037cf 100644 --- a/src/tools/miri/src/shims/windows/sync.rs +++ b/src/tools/miri/src/shims/windows/sync.rs @@ -157,11 +157,11 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { }; let size = Size::from_bytes(size); - let timeout_time = if timeout_ms == this.eval_windows_u32("c", "INFINITE") { + let timeout = if timeout_ms == this.eval_windows_u32("c", "INFINITE") { None } else { let duration = Duration::from_millis(timeout_ms.into()); - Some(Timeout::Monotonic(this.machine.clock.now().checked_add(duration).unwrap())) + Some((TimeoutClock::Monotonic, TimeoutAnchor::Relative, duration)) }; // See the Linux futex implementation for why this fence exists. @@ -177,7 +177,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { this.futex_wait( addr, u32::MAX, // bitset - timeout_time, + timeout, Scalar::from_i32(1), // retval_succ Scalar::from_i32(0), // retval_timeout dest.clone(), From 69512c7b1e000da54aba7e4f8aa1c64473dff9c0 Mon Sep 17 00:00:00 2001 From: tiif Date: Sun, 9 Jun 2024 19:44:06 +0800 Subject: [PATCH 1243/1716] Follow up fix for eventfd shim --- .../miri/src/shims/unix/linux/eventfd.rs | 28 ++++++++++--------- .../fail-dep/libc/libc_eventfd_read_block.rs | 3 +- .../fail-dep/libc/libc_eventfd_write_block.rs | 3 +- .../miri/tests/pass-dep/libc/libc-eventfd.rs | 19 +++++++++---- 4 files changed, 30 insertions(+), 23 deletions(-) diff --git a/src/tools/miri/src/shims/unix/linux/eventfd.rs b/src/tools/miri/src/shims/unix/linux/eventfd.rs index 3080d5b8d071..cae5abca3bd0 100644 --- a/src/tools/miri/src/shims/unix/linux/eventfd.rs +++ b/src/tools/miri/src/shims/unix/linux/eventfd.rs @@ -1,6 +1,7 @@ //! Linux `eventfd` implementation. use std::io; use std::io::{Error, ErrorKind}; +use std::mem; use rustc_target::abi::Endian; @@ -9,8 +10,8 @@ use crate::{concurrency::VClock, *}; use self::shims::unix::fd::FileDescriptor; -/// Minimum size of u8 array to hold u64 value. -const U64_MIN_ARRAY_SIZE: usize = 8; +// We'll only do reads and writes in chunks of size u64. +const U64_ARRAY_SIZE: usize = mem::size_of::(); /// Maximum value that the eventfd counter can hold. const MAX_COUNTER: u64 = u64::MAX - 1; @@ -51,7 +52,7 @@ impl FileDescription for Event { ecx: &mut MiriInterpCx<'tcx>, ) -> InterpResult<'tcx, io::Result> { // Check the size of slice, and return error only if the size of the slice < 8. - let Some(bytes) = bytes.first_chunk_mut::() else { + let Some(bytes) = bytes.first_chunk_mut::() else { return Ok(Err(Error::from(ErrorKind::InvalidInput))); }; // Block when counter == 0. @@ -63,7 +64,7 @@ impl FileDescription for Event { throw_unsup_format!("eventfd: blocking is unsupported"); } } else { - // Prevent false alarm in data race detection when doing synchronisation via eventfd. + // Synchronize with all prior `write` calls to this FD. ecx.acquire_clock(&self.clock); // Return the counter in the host endianness using the buffer provided by caller. *bytes = match ecx.tcx.sess.target.endian { @@ -71,7 +72,7 @@ impl FileDescription for Event { Endian::Big => self.counter.to_be_bytes(), }; self.counter = 0; - return Ok(Ok(U64_MIN_ARRAY_SIZE)); + return Ok(Ok(U64_ARRAY_SIZE)); } } @@ -94,7 +95,7 @@ impl FileDescription for Event { ecx: &mut MiriInterpCx<'tcx>, ) -> InterpResult<'tcx, io::Result> { // Check the size of slice, and return error only if the size of the slice < 8. - let Some(bytes) = bytes.first_chunk::() else { + let Some(bytes) = bytes.first_chunk::() else { return Ok(Err(Error::from(ErrorKind::InvalidInput))); }; // Convert from bytes to int according to host endianness. @@ -110,8 +111,10 @@ impl FileDescription for Event { // Else, block. match self.counter.checked_add(num) { Some(new_count @ 0..=MAX_COUNTER) => { - // Prevent false alarm in data race detection when doing synchronisation via eventfd. - self.clock.join(&ecx.release_clock().unwrap()); + // Future `read` calls will synchronize with this write, so update the FD clock. + if let Some(clock) = &ecx.release_clock() { + self.clock.join(clock); + } self.counter = new_count; } None | Some(u64::MAX) => { @@ -123,7 +126,7 @@ impl FileDescription for Event { } } }; - Ok(Ok(U64_MIN_ARRAY_SIZE)) + Ok(Ok(U64_ARRAY_SIZE)) } } @@ -163,9 +166,10 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } let mut is_nonblock = false; - // Unload the flag that we support. + // Unset the flag that we support. // After unloading, flags != 0 means other flags are used. if flags & efd_cloexec == efd_cloexec { + // cloexec is ignored because Miri does not support exec. flags &= !efd_cloexec; } if flags & efd_nonblock == efd_nonblock { @@ -173,9 +177,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { is_nonblock = true; } if flags != 0 { - let einval = this.eval_libc("EINVAL"); - this.set_last_error(einval)?; - return Ok(Scalar::from_i32(-1)); + throw_unsup_format!("eventfd: encountered unknown unsupported flags {:#x}", flags); } let fd = this.machine.fds.insert_fd(FileDescriptor::new(Event { diff --git a/src/tools/miri/tests/fail-dep/libc/libc_eventfd_read_block.rs b/src/tools/miri/tests/fail-dep/libc/libc_eventfd_read_block.rs index b24635f93404..fb9a23206c60 100644 --- a/src/tools/miri/tests/fail-dep/libc/libc_eventfd_read_block.rs +++ b/src/tools/miri/tests/fail-dep/libc/libc_eventfd_read_block.rs @@ -1,5 +1,4 @@ -//@ignore-target-windows: No eventfd on Windows -//@ignore-target-apple: No eventfd in macos +//@only-target-linux fn main() { // eventfd read will block when EFD_NONBLOCK flag is clear and counter = 0. // This will pass when blocking is implemented. diff --git a/src/tools/miri/tests/fail-dep/libc/libc_eventfd_write_block.rs b/src/tools/miri/tests/fail-dep/libc/libc_eventfd_write_block.rs index 32ca4a919f7b..2037a516dea1 100644 --- a/src/tools/miri/tests/fail-dep/libc/libc_eventfd_write_block.rs +++ b/src/tools/miri/tests/fail-dep/libc/libc_eventfd_write_block.rs @@ -1,5 +1,4 @@ -//@ignore-target-windows: No eventfd on Windows -//@ignore-target-apple: No eventfd in macos +//@only-target-linux fn main() { // eventfd write will block when EFD_NONBLOCK flag is clear // and the addition caused counter to exceed u64::MAX - 1. diff --git a/src/tools/miri/tests/pass-dep/libc/libc-eventfd.rs b/src/tools/miri/tests/pass-dep/libc/libc-eventfd.rs index 6af195316e8d..a3567eeb7cb4 100644 --- a/src/tools/miri/tests/pass-dep/libc/libc-eventfd.rs +++ b/src/tools/miri/tests/pass-dep/libc/libc-eventfd.rs @@ -1,5 +1,4 @@ -//@ignore-target-windows: No eventfd in windows -//@ignore-target-apple: No eventfd in macos +//@only-target-linux // test_race depends on a deterministic schedule. //@compile-flags: -Zmiri-preemption-rate=0 @@ -42,9 +41,11 @@ fn test_read_write() { // value -1. let mut buf: [u8; 8] = [0; 8]; let res = read_bytes(fd, &mut buf); + let e = std::io::Error::last_os_error(); + assert_eq!(e.raw_os_error(), Some(libc::EAGAIN)); assert_eq!(res, -1); - // Write with supplied buffer that > 8 bytes should be allowed. + // Write with supplied buffer bigger than 8 bytes should be allowed. let sized_9_data: [u8; 9]; if cfg!(target_endian = "big") { // Adjust the data based on the endianness of host system. @@ -55,19 +56,23 @@ fn test_read_write() { let res = write_bytes(fd, sized_9_data); assert_eq!(res, 8); - // Read with supplied buffer that < 8 bytes should fail with return + // Read with supplied buffer smaller than 8 bytes should fail with return // value -1. let mut buf: [u8; 7] = [1; 7]; let res = read_bytes(fd, &mut buf); + let e = std::io::Error::last_os_error(); + assert_eq!(e.raw_os_error(), Some(libc::EINVAL)); assert_eq!(res, -1); - // Write with supplied buffer that < 8 bytes should fail with return + // Write with supplied buffer smaller than 8 bytes should fail with return // value -1. let size_7_data: [u8; 7] = [1; 7]; let res = write_bytes(fd, size_7_data); + let e = std::io::Error::last_os_error(); + assert_eq!(e.raw_os_error(), Some(libc::EINVAL)); assert_eq!(res, -1); - // Read with supplied buffer > 8 bytes should be allowed. + // Read with supplied buffer bigger than 8 bytes should be allowed. let mut buf: [u8; 9] = [1; 9]; let res = read_bytes(fd, &mut buf); assert_eq!(res, 8); @@ -75,6 +80,8 @@ fn test_read_write() { // Write u64::MAX should fail. let u64_max_bytes: [u8; 8] = [255; 8]; let res = write_bytes(fd, u64_max_bytes); + let e = std::io::Error::last_os_error(); + assert_eq!(e.raw_os_error(), Some(libc::EINVAL)); assert_eq!(res, -1); } From 041e204e0d487e633c40709cb4c1f4535145c016 Mon Sep 17 00:00:00 2001 From: ivan-shrimp <70307174+ivan-shrimp@users.noreply.github.com> Date: Sun, 9 Jun 2024 19:45:12 +0800 Subject: [PATCH 1244/1716] fix `NonZero` doctest inconsistencies --- library/core/src/num/nonzero.rs | 42 +++++++++++++++++++++++++-------- 1 file changed, 32 insertions(+), 10 deletions(-) diff --git a/library/core/src/num/nonzero.rs b/library/core/src/num/nonzero.rs index fcdd983343d6..863f0d61df37 100644 --- a/library/core/src/num/nonzero.rs +++ b/library/core/src/num/nonzero.rs @@ -517,9 +517,13 @@ macro_rules! nonzero_integer { /// ``` /// # use std::num::NonZero; /// # - #[doc = concat!("let n = NonZero::<", stringify!($Int), ">::new(", $leading_zeros_test, ").unwrap();")] + /// # fn main() { test().unwrap(); } + /// # fn test() -> Option<()> { + #[doc = concat!("let n = NonZero::<", stringify!($Int), ">::new(", $leading_zeros_test, ")?;")] /// /// assert_eq!(n.leading_zeros(), 0); + /// # Some(()) + /// # } /// ``` #[stable(feature = "nonzero_leading_trailing_zeros", since = "1.53.0")] #[rustc_const_stable(feature = "nonzero_leading_trailing_zeros", since = "1.53.0")] @@ -545,9 +549,13 @@ macro_rules! nonzero_integer { /// ``` /// # use std::num::NonZero; /// # - #[doc = concat!("let n = NonZero::<", stringify!($Int), ">::new(0b0101000).unwrap();")] + /// # fn main() { test().unwrap(); } + /// # fn test() -> Option<()> { + #[doc = concat!("let n = NonZero::<", stringify!($Int), ">::new(0b0101000)?;")] /// /// assert_eq!(n.trailing_zeros(), 3); + /// # Some(()) + /// # } /// ``` #[stable(feature = "nonzero_leading_trailing_zeros", since = "1.53.0")] #[rustc_const_stable(feature = "nonzero_leading_trailing_zeros", since = "1.53.0")] @@ -1101,9 +1109,13 @@ macro_rules! nonzero_integer_signedness_dependent_methods { /// ``` /// # use std::num::NonZero; /// # - #[doc = concat!("assert_eq!(NonZero::new(7", stringify!($Int), ").unwrap().ilog2(), 2);")] - #[doc = concat!("assert_eq!(NonZero::new(8", stringify!($Int), ").unwrap().ilog2(), 3);")] - #[doc = concat!("assert_eq!(NonZero::new(9", stringify!($Int), ").unwrap().ilog2(), 3);")] + /// # fn main() { test().unwrap(); } + /// # fn test() -> Option<()> { + #[doc = concat!("assert_eq!(NonZero::new(7", stringify!($Int), ")?.ilog2(), 2);")] + #[doc = concat!("assert_eq!(NonZero::new(8", stringify!($Int), ")?.ilog2(), 3);")] + #[doc = concat!("assert_eq!(NonZero::new(9", stringify!($Int), ")?.ilog2(), 3);")] + /// # Some(()) + /// # } /// ``` #[stable(feature = "int_log", since = "1.67.0")] #[rustc_const_stable(feature = "int_log", since = "1.67.0")] @@ -1126,9 +1138,13 @@ macro_rules! nonzero_integer_signedness_dependent_methods { /// ``` /// # use std::num::NonZero; /// # - #[doc = concat!("assert_eq!(NonZero::new(99", stringify!($Int), ").unwrap().ilog10(), 1);")] - #[doc = concat!("assert_eq!(NonZero::new(100", stringify!($Int), ").unwrap().ilog10(), 2);")] - #[doc = concat!("assert_eq!(NonZero::new(101", stringify!($Int), ").unwrap().ilog10(), 2);")] + /// # fn main() { test().unwrap(); } + /// # fn test() -> Option<()> { + #[doc = concat!("assert_eq!(NonZero::new(99", stringify!($Int), ")?.ilog10(), 1);")] + #[doc = concat!("assert_eq!(NonZero::new(100", stringify!($Int), ")?.ilog10(), 2);")] + #[doc = concat!("assert_eq!(NonZero::new(101", stringify!($Int), ")?.ilog10(), 2);")] + /// # Some(()) + /// # } /// ``` #[stable(feature = "int_log", since = "1.67.0")] #[rustc_const_stable(feature = "int_log", since = "1.67.0")] @@ -1187,10 +1203,16 @@ macro_rules! nonzero_integer_signedness_dependent_methods { /// Basic usage: /// /// ``` - #[doc = concat!("let eight = std::num::NonZero::new(8", stringify!($Int), ").unwrap();")] + /// # use std::num::NonZero; + /// # + /// # fn main() { test().unwrap(); } + /// # fn test() -> Option<()> { + #[doc = concat!("let eight = NonZero::new(8", stringify!($Int), ")?;")] /// assert!(eight.is_power_of_two()); - #[doc = concat!("let ten = std::num::NonZero::new(10", stringify!($Int), ").unwrap();")] + #[doc = concat!("let ten = NonZero::new(10", stringify!($Int), ")?;")] /// assert!(!ten.is_power_of_two()); + /// # Some(()) + /// # } /// ``` #[must_use] #[stable(feature = "nonzero_is_power_of_two", since = "1.59.0")] From 3f9c5872b9307b7674555a97493dc5223724a184 Mon Sep 17 00:00:00 2001 From: alexey semenyuk Date: Sun, 9 Jun 2024 17:37:05 +0500 Subject: [PATCH 1245/1716] Filter from first typed symbol --- util/gh-pages/script.js | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/util/gh-pages/script.js b/util/gh-pages/script.js index 7fd779fe9a46..7cca298df8e4 100644 --- a/util/gh-pages/script.js +++ b/util/gh-pages/script.js @@ -397,7 +397,7 @@ $scope.bySearch = function (lint, index, array) { let searchStr = $scope.search; // It can be `null` I haven't missed this value - if (searchStr == null || searchStr.length < 3) { + if (searchStr == null) { return true; } searchStr = searchStr.toLowerCase(); From f9edd864df9f85a9a6a2969fa74e0966f6565c36 Mon Sep 17 00:00:00 2001 From: Lzu Tao Date: Sun, 9 Jun 2024 13:25:12 +0000 Subject: [PATCH 1246/1716] Apply suggestions from code review Co-authored-by: Nikita Popov --- .../issue-83585-small-pod-struct-equality.rs | 10 ++++------ .../issues/issue-109328-split_first.rs | 5 ++--- .../issues/issue-110797-enum-jump-same.rs | 19 +++++++++---------- .../issues/issue-111508-vec-tryinto-array.rs | 2 +- .../issue-112509-slice-get-andthen-get.rs | 13 ++++--------- ...issue-113757-bounds-check-after-cmp-max.rs | 5 ++--- .../issues/issue-36010-some-box-is_some.rs | 7 +++---- .../issues/issue-68667-unwrap-combinators.rs | 4 +--- .../issues/issue-74938-array-split-at.rs | 7 +++---- .../issues/issue-93036-assert-index.rs | 4 ---- tests/codegen/slice-pointer-nonnull-unwrap.rs | 16 ++++++++-------- 11 files changed, 37 insertions(+), 55 deletions(-) diff --git a/tests/assembly/issue-83585-small-pod-struct-equality.rs b/tests/assembly/issue-83585-small-pod-struct-equality.rs index 56d458d85143..9b0d605666d6 100644 --- a/tests/assembly/issue-83585-small-pod-struct-equality.rs +++ b/tests/assembly/issue-83585-small-pod-struct-equality.rs @@ -4,27 +4,25 @@ #![crate_type = "lib"] -#[no_mangle] type T = u8; type T1 = (T, T, T, T, T, T, T, T); type T2 = [T; 8]; -#[no_mangle] // CHECK-LABEL: foo1a // CHECK: cmp -// CHECK-NEXT: set +// CHECK-NEXT: sete // CHECK-NEXT: ret +#[no_mangle] pub fn foo1a(a: T1, b: T1) -> bool { a == b } -#[no_mangle] // CHECK-LABEL: foo1b // CHECK: mov // CHECK-NEXT: cmp -// CHECK-NEXT: set +// CHECK-NEXT: sete // CHECK-NEXT: ret +#[no_mangle] pub fn foo1b(a: &T1, b: &T1) -> bool { a == b } - diff --git a/tests/codegen/issues/issue-109328-split_first.rs b/tests/codegen/issues/issue-109328-split_first.rs index a43e653e1a26..d3844c3ec20c 100644 --- a/tests/codegen/issues/issue-109328-split_first.rs +++ b/tests/codegen/issues/issue-109328-split_first.rs @@ -1,11 +1,10 @@ //@ compile-flags: -O -//@ min-llvm-version: 17 #![crate_type = "lib"] -#[no_mangle] // CHECK-LABEL: @foo -// CHECK: getelementptr inbounds +// CHECK-NEXT: {{.*}}: +// CHECK-NEXT: getelementptr inbounds // CHECK-NEXT: load i64 // CHECK-NEXT: icmp eq i64 // CHECK-NEXT: br i1 diff --git a/tests/codegen/issues/issue-110797-enum-jump-same.rs b/tests/codegen/issues/issue-110797-enum-jump-same.rs index bfd10c0a5820..d52faef23ad8 100644 --- a/tests/codegen/issues/issue-110797-enum-jump-same.rs +++ b/tests/codegen/issues/issue-110797-enum-jump-same.rs @@ -1,27 +1,26 @@ //@ compile-flags: -O -// XXX: The x86-64 assembly get optimized correclty. But llvm-ir output is not until llvm 18? //@ min-llvm-version: 18 #![crate_type = "lib"] -pub enum K{ +pub enum K { A(Box<[i32]>), B(Box<[u8]>), C(Box<[String]>), D(Box<[u16]>), } -#[no_mangle] // CHECK-LABEL: @get_len -// CHECK: getelementptr inbounds +// CHECK-NEXT: {{.*}}: +// CHECK-NEXT: getelementptr inbounds // CHECK-NEXT: load // CHECK-NEXT: ret i64 -// CHECK-NOT: switch -pub fn get_len(arg: &K)->usize{ +#[no_mangle] +pub fn get_len(arg: &K) -> usize { match arg { - K::A(ref lst)=>lst.len(), - K::B(ref lst)=>lst.len(), - K::C(ref lst)=>lst.len(), - K::D(ref lst)=>lst.len(), + K::A(ref lst) => lst.len(), + K::B(ref lst) => lst.len(), + K::C(ref lst) => lst.len(), + K::D(ref lst) => lst.len(), } } diff --git a/tests/codegen/issues/issue-111508-vec-tryinto-array.rs b/tests/codegen/issues/issue-111508-vec-tryinto-array.rs index 2e7244e97130..6415724b40ad 100644 --- a/tests/codegen/issues/issue-111508-vec-tryinto-array.rs +++ b/tests/codegen/issues/issue-111508-vec-tryinto-array.rs @@ -8,9 +8,9 @@ use std::convert::TryInto; const N: usize = 24; -#[no_mangle] // CHECK-LABEL: @example // CHECK-NOT: unwrap_failed +#[no_mangle] pub fn example(a: Vec) -> u8 { if a.len() != 32 { return 0; diff --git a/tests/codegen/issues/issue-112509-slice-get-andthen-get.rs b/tests/codegen/issues/issue-112509-slice-get-andthen-get.rs index fc04a6cc41ab..ae02c3fb79e7 100644 --- a/tests/codegen/issues/issue-112509-slice-get-andthen-get.rs +++ b/tests/codegen/issues/issue-112509-slice-get-andthen-get.rs @@ -1,17 +1,12 @@ //@ compile-flags: -O -//@ min-llvm-version: 17 #![crate_type = "lib"] // CHECK-LABEL: @write_u8_variant_a -// CHECK: getelementptr +// CHECK-NEXT: {{.*}}: +// CHECK-NEXT: getelementptr // CHECK-NEXT: icmp ugt #[no_mangle] -pub fn write_u8_variant_a( - bytes: &mut [u8], - buf: u8, - offset: usize, -) -> Option<&mut [u8]> { +pub fn write_u8_variant_a(bytes: &mut [u8], buf: u8, offset: usize) -> Option<&mut [u8]> { let buf = buf.to_le_bytes(); - bytes - .get_mut(offset..).and_then(|bytes| bytes.get_mut(..buf.len())) + bytes.get_mut(offset..).and_then(|bytes| bytes.get_mut(..buf.len())) } diff --git a/tests/codegen/issues/issue-113757-bounds-check-after-cmp-max.rs b/tests/codegen/issues/issue-113757-bounds-check-after-cmp-max.rs index 5dedefc43d11..d495adf99804 100644 --- a/tests/codegen/issues/issue-113757-bounds-check-after-cmp-max.rs +++ b/tests/codegen/issues/issue-113757-bounds-check-after-cmp-max.rs @@ -1,15 +1,14 @@ // in Rust 1.73, -O and opt-level=3 optimizes differently //@ compile-flags: -C opt-level=3 -//@ min-llvm-version: 17 #![crate_type = "lib"] use std::cmp::max; -#[no_mangle] // CHECK-LABEL: @foo // CHECK-NOT: slice_start_index_len_fail // CHECK-NOT: unreachable -pub fn foo(v: &mut Vec, size: usize)-> Option<&mut [u8]> { +#[no_mangle] +pub fn foo(v: &mut Vec, size: usize) -> Option<&mut [u8]> { if v.len() > max(1, size) { let start = v.len() - size; Some(&mut v[start..]) diff --git a/tests/codegen/issues/issue-36010-some-box-is_some.rs b/tests/codegen/issues/issue-36010-some-box-is_some.rs index b7179987e7d0..44c01096f15a 100644 --- a/tests/codegen/issues/issue-36010-some-box-is_some.rs +++ b/tests/codegen/issues/issue-36010-some-box-is_some.rs @@ -8,12 +8,12 @@ fn foo(a: &mut T, b: T) -> bool { let b = Some(mem::replace(a, b)); let ret = b.is_some(); mem::forget(b); - return ret + return ret; } // CHECK-LABEL: @foo_u32 // CHECK: store i32 -// CHECK-NEXT: ret i1 +// CHECK-NEXT: ret i1 true #[no_mangle] pub fn foo_u32(a: &mut u32, b: u32) -> bool { foo(a, b) @@ -21,9 +21,8 @@ pub fn foo_u32(a: &mut u32, b: u32) -> bool { // CHECK-LABEL: @foo_box // CHECK: store ptr -// CHECK-NEXT: ret i1 +// CHECK-NEXT: ret i1 true #[no_mangle] pub fn foo_box(a: &mut Box, b: Box) -> bool { foo(a, b) } - diff --git a/tests/codegen/issues/issue-68667-unwrap-combinators.rs b/tests/codegen/issues/issue-68667-unwrap-combinators.rs index 05760dc9b556..6bd4c566a0c2 100644 --- a/tests/codegen/issues/issue-68667-unwrap-combinators.rs +++ b/tests/codegen/issues/issue-68667-unwrap-combinators.rs @@ -11,7 +11,5 @@ // CHECK-NEXT: ret i1 #[no_mangle] pub fn unwrap_combinators(a: Option, b: i32) -> bool { - a.map(|t| t >= b) - .unwrap_or(false) + a.map(|t| t >= b).unwrap_or(false) } - diff --git a/tests/codegen/issues/issue-74938-array-split-at.rs b/tests/codegen/issues/issue-74938-array-split-at.rs index 1f8aa3868d75..2675e404ced3 100644 --- a/tests/codegen/issues/issue-74938-array-split-at.rs +++ b/tests/codegen/issues/issue-74938-array-split-at.rs @@ -5,11 +5,10 @@ const N: usize = 3; pub type T = u8; -#[no_mangle] -// CHECK-LABEL: @split_mutiple +// CHECK-LABEL: @split_multiple // CHECK-NOT: unreachable -pub fn split_mutiple(slice: &[T]) -> (&[T], &[T]) { +#[no_mangle] +pub fn split_multiple(slice: &[T]) -> (&[T], &[T]) { let len = slice.len() / N; slice.split_at(len * N) } - diff --git a/tests/codegen/issues/issue-93036-assert-index.rs b/tests/codegen/issues/issue-93036-assert-index.rs index 9e4437cc6561..7a2ea0872668 100644 --- a/tests/codegen/issues/issue-93036-assert-index.rs +++ b/tests/codegen/issues/issue-93036-assert-index.rs @@ -1,12 +1,9 @@ //@ compile-flags: -O -//@ min-llvm-version: 17 #![crate_type = "lib"] #[no_mangle] // CHECK-LABEL: @foo -// CHECK: {{.*}}: -// CHECK: ret // CHECK-NOT: unreachable pub fn foo(arr: &mut [u32]) { for i in 0..arr.len() { @@ -15,4 +12,3 @@ pub fn foo(arr: &mut [u32]) { } } } - diff --git a/tests/codegen/slice-pointer-nonnull-unwrap.rs b/tests/codegen/slice-pointer-nonnull-unwrap.rs index 51ea4a1f943d..48bf8fa88a06 100644 --- a/tests/codegen/slice-pointer-nonnull-unwrap.rs +++ b/tests/codegen/slice-pointer-nonnull-unwrap.rs @@ -5,15 +5,15 @@ use std::ptr::NonNull; // CHECK-LABEL: @slice_ptr_len_1 -// CHECK: {{.*}}: +// CHECK-NEXT: {{.*}}: // CHECK-NEXT: ret i64 %ptr.1 #[no_mangle] pub fn slice_ptr_len_1(ptr: *const [u8]) -> usize { - let ptr = ptr.cast_mut(); - if let Some(ptr) = NonNull::new(ptr) { - ptr.len() - } else { - // We know ptr is null, so we know ptr.wrapping_byte_add(1) is not null. - NonNull::new(ptr.wrapping_byte_add(1)).unwrap().len() - } + let ptr = ptr.cast_mut(); + if let Some(ptr) = NonNull::new(ptr) { + ptr.len() + } else { + // We know ptr is null, so we know ptr.wrapping_byte_add(1) is not null. + NonNull::new(ptr.wrapping_byte_add(1)).unwrap().len() + } } From 3606818010ac773285e151c9cfaf1d09865f2957 Mon Sep 17 00:00:00 2001 From: Chris Denton Date: Sun, 9 Jun 2024 14:29:28 +0000 Subject: [PATCH 1247/1716] Migrate more things to WinError --- library/std/src/sys/pal/windows/api.rs | 36 ++++++++++++++++++++++ library/std/src/sys/pal/windows/fs.rs | 30 +++++++++--------- library/std/src/sys/pal/windows/futex.rs | 4 +-- library/std/src/sys/pal/windows/os.rs | 7 +++-- library/std/src/sys/pal/windows/pipe.rs | 10 +++--- library/std/src/sys/pal/windows/process.rs | 8 +++-- library/std/src/sys/pal/windows/stdio.rs | 4 +-- 7 files changed, 69 insertions(+), 30 deletions(-) diff --git a/library/std/src/sys/pal/windows/api.rs b/library/std/src/sys/pal/windows/api.rs index 555ad581b856..17a0e47ad595 100644 --- a/library/std/src/sys/pal/windows/api.rs +++ b/library/std/src/sys/pal/windows/api.rs @@ -251,3 +251,39 @@ pub fn get_last_error() -> WinError { pub struct WinError { pub code: u32, } +impl WinError { + const fn new(code: u32) -> Self { + Self { code } + } +} + +// Error code constants. +// The constant names should be the same as the winapi constants except for the leading `ERROR_`. +// Due to the sheer number of codes, error codes should only be added here on an as-needed basis. +// However, they should never be removed as the assumption is they may be useful again in the future. +#[allow(unused)] +impl WinError { + /// Success is not an error. + /// Some Windows APIs do use this to distinguish between a zero return and an error return + /// but we should never return this to users as an error. + pub const SUCCESS: Self = Self::new(c::ERROR_SUCCESS); + // tidy-alphabetical-start + pub const ACCESS_DENIED: Self = Self::new(c::ERROR_ACCESS_DENIED); + pub const ALREADY_EXISTS: Self = Self::new(c::ERROR_ALREADY_EXISTS); + pub const CANT_ACCESS_FILE: Self = Self::new(c::ERROR_CANT_ACCESS_FILE); + pub const DELETE_PENDING: Self = Self::new(c::ERROR_DELETE_PENDING); + pub const DIRECTORY: Self = Self::new(c::ERROR_DIRECTORY); + pub const FILE_NOT_FOUND: Self = Self::new(c::ERROR_FILE_NOT_FOUND); + pub const INSUFFICIENT_BUFFER: Self = Self::new(c::ERROR_INSUFFICIENT_BUFFER); + pub const INVALID_FUNCTION: Self = Self::new(c::ERROR_INVALID_FUNCTION); + pub const INVALID_HANDLE: Self = Self::new(c::ERROR_INVALID_HANDLE); + pub const INVALID_PARAMETER: Self = Self::new(c::ERROR_INVALID_PARAMETER); + pub const NO_MORE_FILES: Self = Self::new(c::ERROR_NO_MORE_FILES); + pub const NOT_FOUND: Self = Self::new(c::ERROR_NOT_FOUND); + pub const NOT_SUPPORTED: Self = Self::new(c::ERROR_NOT_SUPPORTED); + pub const OPERATION_ABORTED: Self = Self::new(c::ERROR_OPERATION_ABORTED); + pub const PATH_NOT_FOUND: Self = Self::new(c::ERROR_PATH_NOT_FOUND); + pub const SHARING_VIOLATION: Self = Self::new(c::ERROR_SHARING_VIOLATION); + pub const TIMEOUT: Self = Self::new(c::ERROR_TIMEOUT); + // tidy-alphabetical-end +} diff --git a/library/std/src/sys/pal/windows/fs.rs b/library/std/src/sys/pal/windows/fs.rs index e92c5e80eac9..629ff114b5a8 100644 --- a/library/std/src/sys/pal/windows/fs.rs +++ b/library/std/src/sys/pal/windows/fs.rs @@ -18,7 +18,8 @@ use crate::sys::{c, cvt, Align8}; use crate::sys_common::{AsInner, FromInner, IntoInner}; use crate::thread; -use super::{api, to_u16s, IoResult}; +use super::api::{self, WinError}; +use super::{to_u16s, IoResult}; use crate::sys::path::maybe_verbatim; pub struct File { @@ -130,10 +131,11 @@ impl Iterator for ReadDir { let mut wfd = mem::zeroed(); loop { if c::FindNextFileW(self.handle.0, &mut wfd) == 0 { - if api::get_last_error().code == c::ERROR_NO_MORE_FILES { - return None; - } else { - return Some(Err(Error::last_os_error())); + match api::get_last_error() { + WinError::NO_MORE_FILES => return None, + WinError { code } => { + return Some(Err(Error::from_raw_os_error(code as i32))); + } } } if let Some(e) = DirEntry::new(&self.root, &wfd) { @@ -244,8 +246,6 @@ impl OpenOptions { } fn get_access_mode(&self) -> io::Result { - const ERROR_INVALID_PARAMETER: i32 = 87; - match (self.read, self.write, self.append, self.access_mode) { (.., Some(mode)) => Ok(mode), (true, false, false, None) => Ok(c::GENERIC_READ), @@ -255,23 +255,23 @@ impl OpenOptions { (true, _, true, None) => { Ok(c::GENERIC_READ | (c::FILE_GENERIC_WRITE & !c::FILE_WRITE_DATA)) } - (false, false, false, None) => Err(Error::from_raw_os_error(ERROR_INVALID_PARAMETER)), + (false, false, false, None) => { + Err(Error::from_raw_os_error(c::ERROR_INVALID_PARAMETER as i32)) + } } } fn get_creation_mode(&self) -> io::Result { - const ERROR_INVALID_PARAMETER: i32 = 87; - match (self.write, self.append) { (true, false) => {} (false, false) => { if self.truncate || self.create || self.create_new { - return Err(Error::from_raw_os_error(ERROR_INVALID_PARAMETER)); + return Err(Error::from_raw_os_error(c::ERROR_INVALID_PARAMETER as i32)); } } (_, true) => { if self.truncate && !self.create_new { - return Err(Error::from_raw_os_error(ERROR_INVALID_PARAMETER)); + return Err(Error::from_raw_os_error(c::ERROR_INVALID_PARAMETER as i32)); } } } @@ -315,7 +315,7 @@ impl File { // Manual truncation. See #115745. if opts.truncate && creation == c::OPEN_ALWAYS - && unsafe { c::GetLastError() } == c::ERROR_ALREADY_EXISTS + && api::get_last_error() == WinError::ALREADY_EXISTS { unsafe { // This originally used `FileAllocationInfo` instead of @@ -845,7 +845,7 @@ fn open_link_no_reparse(parent: &File, name: &[u16], access: u32) -> io::Result< // We make a special exception for `STATUS_DELETE_PENDING` because // otherwise this will be mapped to `ERROR_ACCESS_DENIED` which is // very unhelpful. - Err(io::Error::from_raw_os_error(c::ERROR_DELETE_PENDING as _)) + Err(io::Error::from_raw_os_error(c::ERROR_DELETE_PENDING as i32)) } else if status == c::STATUS_INVALID_PARAMETER && ATTRIBUTES.load(Ordering::Relaxed) == c::OBJ_DONT_REPARSE { @@ -1097,7 +1097,7 @@ pub fn readdir(p: &Path) -> io::Result { // // See issue #120040: https://github.com/rust-lang/rust/issues/120040. let last_error = api::get_last_error(); - if last_error.code == c::ERROR_FILE_NOT_FOUND { + if last_error == WinError::FILE_NOT_FOUND { return Ok(ReadDir { handle: FindNextFileHandle(find_handle), root: Arc::new(root), diff --git a/library/std/src/sys/pal/windows/futex.rs b/library/std/src/sys/pal/windows/futex.rs index bc19c402d9c1..08b7fe300dc3 100644 --- a/library/std/src/sys/pal/windows/futex.rs +++ b/library/std/src/sys/pal/windows/futex.rs @@ -1,4 +1,4 @@ -use super::api; +use super::api::{self, WinError}; use crate::sys::c; use crate::sys::dur2timeout; use core::ffi::c_void; @@ -72,7 +72,7 @@ pub fn wake_by_address_all(address: &T) { pub fn futex_wait(futex: &W::Atomic, expected: W, timeout: Option) -> bool { // return false only on timeout - wait_on_address(futex, expected, timeout) || api::get_last_error().code != c::ERROR_TIMEOUT + wait_on_address(futex, expected, timeout) || api::get_last_error() != WinError::TIMEOUT } pub fn futex_wake(futex: &T) -> bool { diff --git a/library/std/src/sys/pal/windows/os.rs b/library/std/src/sys/pal/windows/os.rs index 483b8b0072c8..62199c16bfed 100644 --- a/library/std/src/sys/pal/windows/os.rs +++ b/library/std/src/sys/pal/windows/os.rs @@ -17,7 +17,8 @@ use crate::ptr; use crate::slice; use crate::sys::{c, cvt}; -use super::{api, to_u16s}; +use super::api::{self, WinError}; +use super::to_u16s; pub fn errno() -> i32 { api::get_last_error().code as i32 @@ -333,7 +334,7 @@ fn home_dir_crt() -> Option { buf, &mut sz, ) { - 0 if api::get_last_error().code != c::ERROR_INSUFFICIENT_BUFFER => 0, + 0 if api::get_last_error() != WinError::INSUFFICIENT_BUFFER => 0, 0 => sz, _ => sz - 1, // sz includes the null terminator } @@ -358,7 +359,7 @@ fn home_dir_crt() -> Option { super::fill_utf16_buf( |buf, mut sz| { match c::GetUserProfileDirectoryW(token, buf, &mut sz) { - 0 if api::get_last_error().code != c::ERROR_INSUFFICIENT_BUFFER => 0, + 0 if api::get_last_error() != WinError::INSUFFICIENT_BUFFER => 0, 0 => sz, _ => sz - 1, // sz includes the null terminator } diff --git a/library/std/src/sys/pal/windows/pipe.rs b/library/std/src/sys/pal/windows/pipe.rs index dfa938d4d576..67ef3ca82da0 100644 --- a/library/std/src/sys/pal/windows/pipe.rs +++ b/library/std/src/sys/pal/windows/pipe.rs @@ -12,6 +12,7 @@ use crate::sys::c; use crate::sys::fs::{File, OpenOptions}; use crate::sys::handle::Handle; use crate::sys::hashmap_random_keys; +use crate::sys::pal::windows::api::{self, WinError}; use crate::sys_common::{FromInner, IntoInner}; //////////////////////////////////////////////////////////////////////////////// @@ -124,20 +125,19 @@ pub fn anon_pipe(ours_readable: bool, their_handle_inheritable: bool) -> io::Res // testing strategy // For more info, see https://github.com/rust-lang/rust/pull/37677. if handle == c::INVALID_HANDLE_VALUE { - let err = io::Error::last_os_error(); - let raw_os_err = err.raw_os_error(); + let error = api::get_last_error(); if tries < 10 { - if raw_os_err == Some(c::ERROR_ACCESS_DENIED as i32) { + if error == WinError::ACCESS_DENIED { continue; } else if reject_remote_clients_flag != 0 - && raw_os_err == Some(c::ERROR_INVALID_PARAMETER as i32) + && error == WinError::INVALID_PARAMETER { reject_remote_clients_flag = 0; tries -= 1; continue; } } - return Err(err); + return Err(io::Error::from_raw_os_error(error.code as i32)); } ours = Handle::from_raw_handle(handle); break; diff --git a/library/std/src/sys/pal/windows/process.rs b/library/std/src/sys/pal/windows/process.rs index e4ab2ca7da1c..2da986a1494e 100644 --- a/library/std/src/sys/pal/windows/process.rs +++ b/library/std/src/sys/pal/windows/process.rs @@ -31,6 +31,8 @@ use crate::sys_common::IntoInner; use core::ffi::c_void; +use super::api::{self, WinError}; + //////////////////////////////////////////////////////////////////////////////// // Command //////////////////////////////////////////////////////////////////////////////// @@ -645,12 +647,12 @@ impl Process { pub fn kill(&mut self) -> io::Result<()> { let result = unsafe { c::TerminateProcess(self.handle.as_raw_handle(), 1) }; if result == c::FALSE { - let error = unsafe { c::GetLastError() }; + let error = api::get_last_error(); // TerminateProcess returns ERROR_ACCESS_DENIED if the process has already been // terminated (by us, or for any other reason). So check if the process was actually // terminated, and if so, do not return an error. - if error != c::ERROR_ACCESS_DENIED || self.try_wait().is_err() { - return Err(crate::io::Error::from_raw_os_error(error as i32)); + if error != WinError::ACCESS_DENIED || self.try_wait().is_err() { + return Err(crate::io::Error::from_raw_os_error(error.code as i32)); } } Ok(()) diff --git a/library/std/src/sys/pal/windows/stdio.rs b/library/std/src/sys/pal/windows/stdio.rs index 96c23f82aec2..690b60d1decc 100644 --- a/library/std/src/sys/pal/windows/stdio.rs +++ b/library/std/src/sys/pal/windows/stdio.rs @@ -1,6 +1,6 @@ #![unstable(issue = "none", feature = "windows_stdio")] -use super::api; +use super::api::{self, WinError}; use crate::cmp; use crate::io; use crate::mem::MaybeUninit; @@ -370,7 +370,7 @@ fn read_u16s(handle: c::HANDLE, buf: &mut [MaybeUninit]) -> io::Result Date: Sun, 9 Jun 2024 11:52:11 +0000 Subject: [PATCH 1248/1716] Autolabel run-make tests, remind to update tracking issue - Autolabel PRs modifying `tests/run-make/` and `src/tools/run-make-support/` with `X-run-make` label. - Add reminder to update the tracking issue if applicable when `tests/run-make/` is modified by a PR. --- triagebot.toml | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/triagebot.toml b/triagebot.toml index 55f63ef2567c..3abff0f1c784 100644 --- a/triagebot.toml +++ b/triagebot.toml @@ -429,6 +429,12 @@ trigger_files = [ "tests/ui/stack-protector" ] +[autolabel."A-run-make"] +trigger_files = [ + "tests/run-make", + "src/tools/run-make-support" +] + [notify-zulip."I-prioritize"] zulip_stream = 245100 # #t-compiler/wg-prioritization/alerts topic = "#{number} {title}" @@ -684,7 +690,13 @@ message = "Some changes occurred in GUI tests." cc = ["@GuillaumeGomez"] [mentions."tests/run-make/"] -message = "Some changes occurred in run-make tests." +message = """ +This PR modifies `tests/run-make/`. If this PR is trying to port a Makefile +run-make test to use rmake.rs, please update the +[run-make port tracking issue](https://github.com/rust-lang/rust/issues/121876) +so we can track our progress. You can either modify the tracking issue +directly, or you can comment on the tracking issue and link this PR. +""" cc = ["@jieyouxu"] [mentions."src/librustdoc/html/static/css/themes/ayu.css"] From 4977608f72e97f498d6be312860753d0d131314b Mon Sep 17 00:00:00 2001 From: Josh Stone Date: Thu, 23 May 2024 18:13:50 -0700 Subject: [PATCH 1249/1716] Add release notes for 1.79.0 --- RELEASES.md | 128 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 128 insertions(+) diff --git a/RELEASES.md b/RELEASES.md index 3080f03c7210..c1311ab14c53 100644 --- a/RELEASES.md +++ b/RELEASES.md @@ -1,3 +1,131 @@ +Version 1.79.0 (2024-06-13) +========================== + + + +Language +-------- +- [Stabilize inline `const {}` expressions.](https://github.com/rust-lang/rust/pull/104087/) +- [Prevent opaque types being instantiated twice with different regions within the same function.](https://github.com/rust-lang/rust/pull/116935/) +- [Stabilize WebAssembly target features that are in phase 4 and 5.](https://github.com/rust-lang/rust/pull/117457/) +- [Add the `redundant_lifetimes` lint to detect lifetimes which are semantically redundant.](https://github.com/rust-lang/rust/pull/118391/) +- [Stabilize the `unnameable_types` lint for public types that can't be named.](https://github.com/rust-lang/rust/pull/120144/) +- [Enable debuginfo in macros, and stabilize `-C collapse-macro-debuginfo` and `#[collapse_debuginfo]`.](https://github.com/rust-lang/rust/pull/120845/) +- [Propagate temporary lifetime extension into `if` and `match` expressions.](https://github.com/rust-lang/rust/pull/121346/) +- [Restrict promotion of `const fn` calls.](https://github.com/rust-lang/rust/pull/121557/) +- [Warn against refining impls of crate-private traits with `refining_impl_trait` lint.](https://github.com/rust-lang/rust/pull/121720/) +- [Stabilize associated type bounds (RFC 2289).](https://github.com/rust-lang/rust/pull/122055/) +- [Stabilize importing `main` from other modules or crates.](https://github.com/rust-lang/rust/pull/122060/) +- [Check return types of function types for well-formedness](https://github.com/rust-lang/rust/pull/115538) +- [Rework `impl Trait` lifetime inference](https://github.com/rust-lang/rust/pull/116891/) +- [Change inductive trait solver cycles to be ambiguous](https://github.com/rust-lang/rust/pull/122791) + + + +Compiler +-------- +- [Define `-C strip` to only affect binaries, not artifacts like `.pdb`.](https://github.com/rust-lang/rust/pull/115120/) +- [Stabilize `-Crelro-level` for controlling runtime link hardening.](https://github.com/rust-lang/rust/pull/121694/) +- [Stabilize checking of `cfg` names and values at compile-time with `--check-cfg`.](https://github.com/rust-lang/rust/pull/123501/) + *Note that this only stabilizes the compiler part, the Cargo part is still unstable in this release.* +- [Add `aarch64-apple-visionos` and `aarch64-apple-visionos-sim` tier 3 targets.](https://github.com/rust-lang/rust/pull/121419/) +- [Add `riscv32ima-unknown-none-elf` tier 3 target.](https://github.com/rust-lang/rust/pull/122696/) +- [Promote several Windows targets to tier 2](https://github.com/rust-lang/rust/pull/121712): `aarch64-pc-windows-gnullvm`, `i686-pc-windows-gnullvm`, and `x86_64-pc-windows-gnullvm`. + +Refer to Rust's [platform support page][platform-support-doc] +for more information on Rust's tiered platform support. + + + +Libraries +--------- + +- [Implement `FromIterator` for `(impl Default + Extend, impl Default + Extend)`.](https://github.com/rust-lang/rust/pull/107462/) +- [Implement `{Div,Rem}Assign>` on `X`.](https://github.com/rust-lang/rust/pull/121952/) +- [Document overrides of `clone_from()` in core/std.](https://github.com/rust-lang/rust/pull/122201/) +- [Link MSVC default lib in core.](https://github.com/rust-lang/rust/pull/122268/) +- [Caution against using `transmute` between pointers and integers.](https://github.com/rust-lang/rust/pull/122379/) +- [Enable frame pointers for the standard library.](https://github.com/rust-lang/rust/pull/122646/) + + + +Stabilized APIs +--------------- + +- [`{integer}::unchecked_add`](https://doc.rust-lang.org/stable/core/primitive.i32.html#method.unchecked_add) +- [`{integer}::unchecked_mul`](https://doc.rust-lang.org/stable/core/primitive.i32.html#method.unchecked_mul) +- [`{integer}::unchecked_sub`](https://doc.rust-lang.org/stable/core/primitive.i32.html#method.unchecked_sub) +- [`<[T]>::split_at_unchecked`](https://doc.rust-lang.org/stable/core/primitive.slice.html#method.split_at_unchecked) +- [`<[T]>::split_at_mut_unchecked`](https://doc.rust-lang.org/stable/core/primitive.slice.html#method.split_at_mut_unchecked) +- [`<[u8]>::utf8_chunks`](https://doc.rust-lang.org/stable/core/primitive.slice.html#method.utf8_chunks) +- [`str::Utf8Chunks`](https://doc.rust-lang.org/stable/core/str/struct.Utf8Chunks.html) +- [`str::Utf8Chunk`](https://doc.rust-lang.org/stable/core/str/struct.Utf8Chunk.html) +- [`<*const T>::is_aligned`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.is_aligned) +- [`<*mut T>::is_aligned`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.is_aligned-1) +- [`NonNull::is_aligned`](https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.is_aligned) +- [`<*const [T]>::len`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.len) +- [`<*mut [T]>::len`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.len-1) +- [`<*const [T]>::is_empty`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.is_empty) +- [`<*mut [T]>::is_empty`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.is_empty-1) +- [`NonNull::<[T]>::is_empty`](https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.is_empty) +- [`CStr::count_bytes`](https://doc.rust-lang.org/stable/core/ffi/c_str/struct.CStr.html#method.count_bytes) +- [`io::Error::downcast`](https://doc.rust-lang.org/stable/std/io/struct.Error.html#method.downcast) +- [`num::NonZero`](https://doc.rust-lang.org/stable/core/num/struct.NonZero.html) +- [`path::absolute`](https://doc.rust-lang.org/stable/std/path/fn.absolute.html) +- [`proc_macro::Literal::byte_character`](https://doc.rust-lang.org/stable/proc_macro/struct.Literal.html#method.byte_character) +- [`proc_macro::Literal::c_string`](https://doc.rust-lang.org/stable/proc_macro/struct.Literal.html#method.c_string) + +These APIs are now stable in const contexts: + +- [`Atomic*::into_inner`](https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicUsize.html#method.into_inner) +- [`io::Cursor::new`](https://doc.rust-lang.org/stable/std/io/struct.Cursor.html#method.new) +- [`io::Cursor::get_ref`](https://doc.rust-lang.org/stable/std/io/struct.Cursor.html#method.get_ref) +- [`io::Cursor::position`](https://doc.rust-lang.org/stable/std/io/struct.Cursor.html#method.position) +- [`io::empty`](https://doc.rust-lang.org/stable/std/io/fn.empty.html) +- [`io::repeat`](https://doc.rust-lang.org/stable/std/io/fn.repeat.html) +- [`io::sink`](https://doc.rust-lang.org/stable/std/io/fn.sink.html) +- [`panic::Location::caller`](https://doc.rust-lang.org/stable/std/panic/struct.Location.html#method.caller) +- [`panic::Location::file`](https://doc.rust-lang.org/stable/std/panic/struct.Location.html#method.file) +- [`panic::Location::line`](https://doc.rust-lang.org/stable/std/panic/struct.Location.html#method.line) +- [`panic::Location::column`](https://doc.rust-lang.org/stable/std/panic/struct.Location.html#method.column) + + + +Cargo +----- + +- [Prevent dashes in `lib.name`, always normalizing to `_`.](https://github.com/rust-lang/cargo/pull/12783/) +- [Stabilize MSRV-aware version requirement selection in `cargo add`.](https://github.com/rust-lang/cargo/pull/13608/) +- [Switch to using `gitoxide` by default for listing files.](https://github.com/rust-lang/cargo/pull/13696/) +- [Error on `[project]` in Edition 2024; `cargo fix --edition` will change it to `[package]`.](https://github.com/rust-lang/cargo/pull/13747/) + + + +Rustdoc +----- + +- [Always display stability version even if it's the same as the containing item.](https://github.com/rust-lang/rust/pull/118441/) +- [Show a single search result for items with multiple paths.](https://github.com/rust-lang/rust/pull/119912/) +- [Support typing `/` in docs to begin a search.](https://github.com/rust-lang/rust/pull/123355/) + + + +Misc +---- + + + +Compatibility Notes +------------------- + +- [Update the minimum external LLVM to 17.](https://github.com/rust-lang/rust/pull/122649/) +- [`RustcEncodable` and `RustcDecodable` are soft-destabilized, to be removed + from the prelude in next edition.](https://github.com/rust-lang/rust/pull/116016/) +- [The `wasm_c_abi` future-incompatibility lint will warn about use of the + non-spec-compliant C ABI.](https://github.com/rust-lang/rust/pull/117918/) + Use `wasm-bindgen v0.2.88` to generate forward-compatible bindings. +- [Check return types of function types for well-formedness](https://github.com/rust-lang/rust/pull/115538) + Version 1.78.0 (2024-05-02) ========================== From e24be071e3bef8dfb84b082f1478e9d33a108901 Mon Sep 17 00:00:00 2001 From: Weihang Lo Date: Thu, 23 May 2024 20:36:39 +0000 Subject: [PATCH 1250/1716] feat: vendor crates required by opt-dist to collect profiles These are the default package set required by opt-dist to correctly work, hence for people wanting to build a production grade of rustc in a sandboxed / air-gapped environment, these need to be vendored. The size of `rustc-src-nightly.tar.xz` before and after this change: * Before: 298M * After: 323M (+8%) These crates are the default set of packages required by opt-dist to correctly work, hence for people wanting to build a production grade of rustc in an sandboxed / air-gapped environment, these need to be vendored. The size of `rustc-src-nightly.tar.xz` before and after this change: * Before: 298M * After: 323M (+8%) Size change might or might not be a concern. See the previous discussion: https://github.com/rust-lang/rust/pull/125166#issuecomment-2113626468 Previous efforts on making: * https://github.com/rust-lang/rust/pull/125125 * https://github.com/rust-lang/rust/pull/125166 --- Note that extra works still need to be done to make it fully vendored. * The current pinned rustc-perf uses `tempfile::Tempdir` as the working directory when collecting profiles from some of these packages. This "tmp" working directory usage make it impossible for Cargo to pick up the correct vendor sources setting in `.cargo/config.toml` bundled in the rustc-src tarball. [^1] * opt-dist verifies the final built rustc against a subset of rustc test suite. However it rolls out its own `config.toml` without setting `vendor = true`, and that results in `./vendor/` directory removed. [^2] [^1]: https://github.com/rust-lang/rustc-perf/blob/4f313add609f43e928e98132358e8426ed3969ae/collector/src/compile/benchmark/mod.rs#L164-L173 [^2]: https://github.com/rust-lang/rust/blob/606afbb617a2949a4e35c4b0258ff94c980b9451/src/tools/opt-dist/src/tests.rs#L62-L77 --- src/bootstrap/src/core/build_steps/dist.rs | 15 ++++++++++++++ src/tools/build_helper/src/lib.rs | 23 ++++++++++++++++++++++ src/tools/opt-dist/src/training.rs | 22 +-------------------- 3 files changed, 39 insertions(+), 21 deletions(-) diff --git a/src/bootstrap/src/core/build_steps/dist.rs b/src/bootstrap/src/core/build_steps/dist.rs index 91039d0c8dcc..60b1ff3e4413 100644 --- a/src/bootstrap/src/core/build_steps/dist.rs +++ b/src/bootstrap/src/core/build_steps/dist.rs @@ -1041,6 +1041,21 @@ impl Step for PlainSourceTarball { .env("RUSTC_BOOTSTRAP", "1") .current_dir(plain_dst_src); + // Vendor packages that are required by opt-dist to collect PGO profiles. + let pkgs_for_pgo_training = build_helper::LLVM_PGO_CRATES + .iter() + .chain(build_helper::RUSTC_PGO_CRATES) + .map(|pkg| { + let mut manifest_path = + builder.src.join("./src/tools/rustc-perf/collector/compile-benchmarks"); + manifest_path.push(pkg); + manifest_path.push("Cargo.toml"); + manifest_path + }); + for manifest_path in pkgs_for_pgo_training { + cmd.arg("--sync").arg(manifest_path); + } + let config = if !builder.config.dry_run() { t!(String::from_utf8(t!(cmd.output()).stdout)) } else { diff --git a/src/tools/build_helper/src/lib.rs b/src/tools/build_helper/src/lib.rs index d831cfa0d79a..15807d1c0d8f 100644 --- a/src/tools/build_helper/src/lib.rs +++ b/src/tools/build_helper/src/lib.rs @@ -5,3 +5,26 @@ pub mod git; pub mod metrics; pub mod stage0_parser; pub mod util; + +/// The default set of crates for opt-dist to collect LLVM profiles. +pub const LLVM_PGO_CRATES: &[&str] = &[ + "syn-1.0.89", + "cargo-0.60.0", + "serde-1.0.136", + "ripgrep-13.0.0", + "regex-1.5.5", + "clap-3.1.6", + "hyper-0.14.18", +]; + +/// The default set of crates for opt-dist to collect rustc profiles. +pub const RUSTC_PGO_CRATES: &[&str] = &[ + "externs", + "ctfe-stress-5", + "cargo-0.60.0", + "token-stream-stress", + "match-stress", + "tuple-stress", + "diesel-1.4.8", + "bitmaps-3.1.0", +]; diff --git a/src/tools/opt-dist/src/training.rs b/src/tools/opt-dist/src/training.rs index 09263dc645e2..89f4d8957c8b 100644 --- a/src/tools/opt-dist/src/training.rs +++ b/src/tools/opt-dist/src/training.rs @@ -3,30 +3,10 @@ use crate::exec::{cmd, CmdBuilder}; use crate::utils::io::{count_files, delete_directory}; use crate::utils::with_log_group; use anyhow::Context; +use build_helper::{LLVM_PGO_CRATES, RUSTC_PGO_CRATES}; use camino::{Utf8Path, Utf8PathBuf}; use humansize::BINARY; -const LLVM_PGO_CRATES: &[&str] = &[ - "syn-1.0.89", - "cargo-0.60.0", - "serde-1.0.136", - "ripgrep-13.0.0", - "regex-1.5.5", - "clap-3.1.6", - "hyper-0.14.18", -]; - -const RUSTC_PGO_CRATES: &[&str] = &[ - "externs", - "ctfe-stress-5", - "cargo-0.60.0", - "token-stream-stress", - "match-stress", - "tuple-stress", - "diesel-1.4.8", - "bitmaps-3.1.0", -]; - fn init_compiler_benchmarks( env: &Environment, profiles: &[&str], From 377870386f99ee811e8945fade761a3ea8944db1 Mon Sep 17 00:00:00 2001 From: Weihang Lo Date: Sat, 25 May 2024 00:06:00 -0400 Subject: [PATCH 1251/1716] tidy: add license exceptions for rustc-perf `ring` is included because it is an optional dependency of `hyper`, which is a training data in rustc-pref for optimized build. The license of it is generally `ISC AND MIT AND OpenSSL`, though the `package.license` field is not set. See https://github.com/briansmith/ring/issues/902 `git+https://github.com/rust-lang/team` git source is from `rust_team_data`, which is used by `site` in src/tools/rustc-perf. This doesn't really a part of the compiler, so doesn't really affect the bootstrapping process. See https://github.com/rust-lang/rustc-perf/pull/1914. --- src/tools/tidy/src/deps.rs | 36 +++++++++++++++++++++++++++++++++++ src/tools/tidy/src/extdeps.rs | 6 +++++- 2 files changed, 41 insertions(+), 1 deletion(-) diff --git a/src/tools/tidy/src/deps.rs b/src/tools/tidy/src/deps.rs index efcd2a181ffa..7b93b09dda24 100644 --- a/src/tools/tidy/src/deps.rs +++ b/src/tools/tidy/src/deps.rs @@ -67,6 +67,7 @@ pub(crate) const WORKSPACES: &[(&str, ExceptionList, Option<(&[&str], &[&str])>) //("src/tools/miri/test-cargo-miri", &[], None), // FIXME uncomment once all deps are vendored //("src/tools/miri/test_dependencies", &[], None), // FIXME uncomment once all deps are vendored ("src/tools/rust-analyzer", EXCEPTIONS_RUST_ANALYZER, None), + ("src/tools/rustc-perf", EXCEPTIONS_RUSTC_PERF, None), ("src/tools/x", &[], None), // tidy-alphabetical-end ]; @@ -142,6 +143,22 @@ const EXCEPTIONS_RUST_ANALYZER: ExceptionList = &[ // tidy-alphabetical-end ]; +const EXCEPTIONS_RUSTC_PERF: ExceptionList = &[ + // tidy-alphabetical-start + ("alloc-no-stdlib", "BSD-3-Clause"), + ("alloc-stdlib", "BSD-3-Clause"), + ("brotli", "BSD-3-Clause/MIT"), + ("brotli-decompressor", "BSD-3-Clause/MIT"), + ("encoding_rs", "(Apache-2.0 OR MIT) AND BSD-3-Clause"), + ("inferno", "CDDL-1.0"), + ("instant", "BSD-3-Clause"), + ("ring", NON_STANDARD_LICENSE), // see EXCEPTIONS_NON_STANDARD_LICENSE_DEPS for more. + ("ryu", "Apache-2.0 OR BSL-1.0"), + ("snap", "BSD-3-Clause"), + ("subtle", "BSD-3-Clause"), + // tidy-alphabetical-end +]; + const EXCEPTIONS_CRANELIFT: ExceptionList = &[ // tidy-alphabetical-start ("cranelift-bforest", "Apache-2.0 WITH LLVM-exception"), @@ -178,6 +195,20 @@ const EXCEPTIONS_UEFI_QEMU_TEST: ExceptionList = &[ ("r-efi", "MIT OR Apache-2.0 OR LGPL-2.1-or-later"), // LGPL is not acceptible, but we use it under MIT OR Apache-2.0 ]; +/// Placeholder for non-standard license file. +const NON_STANDARD_LICENSE: &str = "NON_STANDARD_LICENSE"; + +/// These dependencies have non-standard licenses but are genenrally permitted. +const EXCEPTIONS_NON_STANDARD_LICENSE_DEPS: &[&str] = &[ + // `ring` is included because it is an optional dependency of `hyper`, + // which is a training data in rustc-perf for optimized build. + // The license of it is generally `ISC AND MIT AND OpenSSL`, + // though the `package.license` field is not set. + // + // See https://github.com/briansmith/ring/issues/902 + "ring", +]; + /// These are the root crates that are part of the runtime. The licenses for /// these and all their dependencies *must not* be in the exception list. const RUNTIME_CRATES: &[&str] = &["std", "core", "alloc", "test", "panic_abort", "panic_unwind"]; @@ -610,6 +641,11 @@ fn check_license_exceptions(metadata: &Metadata, exceptions: &[(&str, &str)], ba for pkg in metadata.packages.iter().filter(|p| p.name == *name) { match &pkg.license { None => { + if *license == NON_STANDARD_LICENSE + && EXCEPTIONS_NON_STANDARD_LICENSE_DEPS.contains(&pkg.name.as_str()) + { + continue; + } tidy_error!( bad, "dependency exception `{}` does not declare a license expression", diff --git a/src/tools/tidy/src/extdeps.rs b/src/tools/tidy/src/extdeps.rs index ff71ca537256..2118de5f2041 100644 --- a/src/tools/tidy/src/extdeps.rs +++ b/src/tools/tidy/src/extdeps.rs @@ -4,7 +4,11 @@ use std::fs; use std::path::Path; /// List of allowed sources for packages. -const ALLOWED_SOURCES: &[&str] = &["\"registry+https://github.com/rust-lang/crates.io-index\""]; +const ALLOWED_SOURCES: &[&str] = &[ + r#""registry+https://github.com/rust-lang/crates.io-index""#, + // This is `rust_team_data` used by `site` in src/tools/rustc-perf, + r#""git+https://github.com/rust-lang/team#a5260e76d3aa894c64c56e6ddc8545b9a98043ec""#, +]; /// Checks for external package sources. `root` is the path to the directory that contains the /// workspace `Cargo.toml`. From d9f78cb7939b340f72389fbaedfa4d872d0bbe43 Mon Sep 17 00:00:00 2001 From: Edward Shen Date: Sun, 9 Jun 2024 10:17:21 -0700 Subject: [PATCH 1252/1716] rustdoc: Add support for --remap-path-prefix Adds --remap-path-prefix as an unstable option. This is implemented to mimic the behavior of rustc's --remap-path-prefix but with minor adjustments. This flag similarly takes in two paths, a prefix to replace and a replacement string. --- src/librustdoc/config.rs | 26 +++++++++++++++++++ src/librustdoc/doctest.rs | 4 +-- src/librustdoc/doctest/rust.rs | 12 +++++---- src/librustdoc/lib.rs | 8 ++++++ .../output-default.stdout | 2 ++ ...remap-path-prefix-failed-doctest-output.rs | 14 ++++++++++ ...p-path-prefix-failed-doctest-output.stdout | 21 +++++++++++++++ .../remap-path-prefix-invalid-doctest.rs | 13 ++++++++++ .../remap-path-prefix-invalid-doctest.stdout | 22 ++++++++++++++++ ...remap-path-prefix-passed-doctest-output.rs | 14 ++++++++++ ...p-path-prefix-passed-doctest-output.stdout | 6 +++++ 11 files changed, 135 insertions(+), 7 deletions(-) create mode 100644 tests/rustdoc-ui/remap-path-prefix-failed-doctest-output.rs create mode 100644 tests/rustdoc-ui/remap-path-prefix-failed-doctest-output.stdout create mode 100644 tests/rustdoc-ui/remap-path-prefix-invalid-doctest.rs create mode 100644 tests/rustdoc-ui/remap-path-prefix-invalid-doctest.stdout create mode 100644 tests/rustdoc-ui/remap-path-prefix-passed-doctest-output.rs create mode 100644 tests/rustdoc-ui/remap-path-prefix-passed-doctest-output.stdout diff --git a/src/librustdoc/config.rs b/src/librustdoc/config.rs index 012afada1e5e..78d4129f6422 100644 --- a/src/librustdoc/config.rs +++ b/src/librustdoc/config.rs @@ -128,6 +128,8 @@ pub(crate) struct Options { pub(crate) enable_per_target_ignores: bool, /// Do not run doctests, compile them if should_test is active. pub(crate) no_run: bool, + /// What sources are being mapped. + pub(crate) remap_path_prefix: Vec<(PathBuf, PathBuf)>, /// The path to a rustc-like binary to build tests with. If not set, we /// default to loading from `$sysroot/bin/rustc`. @@ -211,6 +213,7 @@ impl fmt::Debug for Options { .field("run_check", &self.run_check) .field("no_run", &self.no_run) .field("test_builder_wrappers", &self.test_builder_wrappers) + .field("remap-file-prefix", &self.remap_path_prefix) .field("nocapture", &self.nocapture) .field("scrape_examples_options", &self.scrape_examples_options) .field("unstable_features", &self.unstable_features) @@ -372,6 +375,13 @@ impl Options { let codegen_options = CodegenOptions::build(early_dcx, matches); let unstable_opts = UnstableOptions::build(early_dcx, matches); + let remap_path_prefix = match parse_remap_path_prefix(&matches) { + Ok(prefix_mappings) => prefix_mappings, + Err(err) => { + early_dcx.early_fatal(err); + } + }; + let dcx = new_dcx(error_format, None, diagnostic_width, &unstable_opts); // check for deprecated options @@ -772,6 +782,7 @@ impl Options { run_check, no_run, test_builder_wrappers, + remap_path_prefix, nocapture, crate_name, output_format, @@ -820,6 +831,21 @@ impl Options { } } +fn parse_remap_path_prefix( + matches: &getopts::Matches, +) -> Result, &'static str> { + matches + .opt_strs("remap-path-prefix") + .into_iter() + .map(|remap| { + remap + .rsplit_once('=') + .ok_or("--remap-path-prefix must contain '=' between FROM and TO") + .map(|(from, to)| (PathBuf::from(from), PathBuf::from(to))) + }) + .collect() +} + /// Prints deprecation warnings for deprecated options fn check_deprecated_options(matches: &getopts::Matches, dcx: &rustc_errors::DiagCtxt) { let deprecated_flags = []; diff --git a/src/librustdoc/doctest.rs b/src/librustdoc/doctest.rs index a732e645b6ba..81a7463decad 100644 --- a/src/librustdoc/doctest.rs +++ b/src/librustdoc/doctest.rs @@ -129,6 +129,7 @@ pub(crate) fn run( edition: options.edition, target_triple: options.target.clone(), crate_name: options.crate_name.clone(), + remap_path_prefix: options.remap_path_prefix.clone(), ..config::Options::default() }; @@ -572,7 +573,6 @@ fn make_maybe_absolute_path(path: PathBuf) -> PathBuf { std::env::current_dir().map(|c| c.join(&path)).unwrap_or_else(|_| path) } } - struct IndividualTestOptions { outdir: DirState, test_id: String, @@ -651,7 +651,7 @@ impl CreateRunnableDoctests { if !item_path.is_empty() { item_path.push(' '); } - format!("{} - {item_path}(line {line})", filename.prefer_local()) + format!("{} - {item_path}(line {line})", filename.prefer_remapped_unconditionaly()) } fn add_test(&mut self, test: ScrapedDoctest) { diff --git a/src/librustdoc/doctest/rust.rs b/src/librustdoc/doctest/rust.rs index e6bef395fa9c..fc8e119ccc23 100644 --- a/src/librustdoc/doctest/rust.rs +++ b/src/librustdoc/doctest/rust.rs @@ -27,11 +27,13 @@ struct RustCollector { impl RustCollector { fn get_filename(&self) -> FileName { let filename = self.source_map.span_to_filename(self.position); - if let FileName::Real(ref filename) = filename - && let Ok(cur_dir) = env::current_dir() - && let Some(local_path) = filename.local_path() - && let Ok(path) = local_path.strip_prefix(&cur_dir) - { + if let FileName::Real(ref filename) = filename { + let path = filename.remapped_path_if_available(); + // Strip the cwd prefix from the path. This will likely exist if + // the path was not remapped. + let path = env::current_dir() + .map(|cur_dir| path.strip_prefix(&cur_dir).unwrap_or(path)) + .unwrap_or(path); return path.to_owned().into(); } filename diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs index 3b6bddf263a9..d6e715d48ea5 100644 --- a/src/librustdoc/lib.rs +++ b/src/librustdoc/lib.rs @@ -555,6 +555,14 @@ fn opts() -> Vec { unstable("no-run", |o| { o.optflagmulti("", "no-run", "Compile doctests without running them") }), + unstable("remap-path-prefix", |o| { + o.optmulti( + "", + "remap-path-prefix", + "Remap source names in compiler messages", + "FROM=TO", + ) + }), unstable("show-type-layout", |o| { o.optflagmulti("", "show-type-layout", "Include the memory layout of types in the docs") }), diff --git a/tests/run-make/issue-88756-default-output/output-default.stdout b/tests/run-make/issue-88756-default-output/output-default.stdout index 12c1b389fb34..bc38d9e9dc6b 100644 --- a/tests/run-make/issue-88756-default-output/output-default.stdout +++ b/tests/run-make/issue-88756-default-output/output-default.stdout @@ -157,6 +157,8 @@ Options: Comma separated list of types of output for rustdoc to emit --no-run Compile doctests without running them + --remap-path-prefix FROM=TO + Remap source names in compiler messages --show-type-layout Include the memory layout of types in the docs --nocapture Don't capture stdout and stderr of tests diff --git a/tests/rustdoc-ui/remap-path-prefix-failed-doctest-output.rs b/tests/rustdoc-ui/remap-path-prefix-failed-doctest-output.rs new file mode 100644 index 000000000000..2b220370d77a --- /dev/null +++ b/tests/rustdoc-ui/remap-path-prefix-failed-doctest-output.rs @@ -0,0 +1,14 @@ +// FIXME: if/when the output of the test harness can be tested on its own, this test should be +// adapted to use that, and that normalize line can go away + +//@ failure-status: 101 +//@ compile-flags:--test -Z unstable-options --remap-path-prefix={{src-base}}=remapped_path --test-args --test-threads=1 +//@ rustc-env:RUST_BACKTRACE=0 +//@ normalize-stdout-test "finished in \d+\.\d+s" -> "finished in $$TIME" +//@ normalize-stdout-test "exit (status|code): 101" -> "exit status: 101" + +// doctest fails at runtime +/// ``` +/// panic!("oh no"); +/// ``` +pub struct SomeStruct; diff --git a/tests/rustdoc-ui/remap-path-prefix-failed-doctest-output.stdout b/tests/rustdoc-ui/remap-path-prefix-failed-doctest-output.stdout new file mode 100644 index 000000000000..2102e2c38918 --- /dev/null +++ b/tests/rustdoc-ui/remap-path-prefix-failed-doctest-output.stdout @@ -0,0 +1,21 @@ + +running 1 test +test remapped_path/remap-path-prefix-failed-doctest-output.rs - SomeStruct (line 11) ... FAILED + +failures: + +---- remapped_path/remap-path-prefix-failed-doctest-output.rs - SomeStruct (line 11) stdout ---- +Test executable failed (exit status: 101). + +stderr: +thread 'main' panicked at remapped_path/remap-path-prefix-failed-doctest-output.rs:3:1: +oh no +note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace + + + +failures: + remapped_path/remap-path-prefix-failed-doctest-output.rs - SomeStruct (line 11) + +test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in $TIME + diff --git a/tests/rustdoc-ui/remap-path-prefix-invalid-doctest.rs b/tests/rustdoc-ui/remap-path-prefix-invalid-doctest.rs new file mode 100644 index 000000000000..2e023e32d7a7 --- /dev/null +++ b/tests/rustdoc-ui/remap-path-prefix-invalid-doctest.rs @@ -0,0 +1,13 @@ +// FIXME: if/when the output of the test harness can be tested on its own, this test should be +// adapted to use that, and that normalize line can go away + +//@ failure-status: 101 +//@ compile-flags:--test -Z unstable-options --remap-path-prefix={{src-base}}=remapped_path --test-args --test-threads=1 +//@ rustc-env:RUST_BACKTRACE=0 +//@ normalize-stdout-test "finished in \d+\.\d+s" -> "finished in $$TIME" + +// doctest fails to compile +/// ``` +/// this is not real code +/// ``` +pub struct SomeStruct; diff --git a/tests/rustdoc-ui/remap-path-prefix-invalid-doctest.stdout b/tests/rustdoc-ui/remap-path-prefix-invalid-doctest.stdout new file mode 100644 index 000000000000..a05b51699894 --- /dev/null +++ b/tests/rustdoc-ui/remap-path-prefix-invalid-doctest.stdout @@ -0,0 +1,22 @@ + +running 1 test +test remapped_path/remap-path-prefix-invalid-doctest.rs - SomeStruct (line 10) ... FAILED + +failures: + +---- remapped_path/remap-path-prefix-invalid-doctest.rs - SomeStruct (line 10) stdout ---- +error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `is` + --> remapped_path/remap-path-prefix-invalid-doctest.rs:11:6 + | +LL | this is not real code + | ^^ expected one of 8 possible tokens + +error: aborting due to 1 previous error + +Couldn't compile the test. + +failures: + remapped_path/remap-path-prefix-invalid-doctest.rs - SomeStruct (line 10) + +test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in $TIME + diff --git a/tests/rustdoc-ui/remap-path-prefix-passed-doctest-output.rs b/tests/rustdoc-ui/remap-path-prefix-passed-doctest-output.rs new file mode 100644 index 000000000000..c58f3faeb532 --- /dev/null +++ b/tests/rustdoc-ui/remap-path-prefix-passed-doctest-output.rs @@ -0,0 +1,14 @@ +//@ check-pass +//@ check-run-results + +// FIXME: if/when the output of the test harness can be tested on its own, this test should be +// adapted to use that, and that normalize line can go away + +//@ compile-flags:--test -Z unstable-options --remap-path-prefix={{src-base}}=remapped_path --test-args --test-threads=1 +//@ normalize-stdout-test "finished in \d+\.\d+s" -> "finished in $$TIME" + +// doctest passes at runtime +/// ``` +/// assert!(true); +/// ``` +pub struct SomeStruct; diff --git a/tests/rustdoc-ui/remap-path-prefix-passed-doctest-output.stdout b/tests/rustdoc-ui/remap-path-prefix-passed-doctest-output.stdout new file mode 100644 index 000000000000..8ffb56948856 --- /dev/null +++ b/tests/rustdoc-ui/remap-path-prefix-passed-doctest-output.stdout @@ -0,0 +1,6 @@ + +running 1 test +test remapped_path/remap-path-prefix-passed-doctest-output.rs - SomeStruct (line 11) ... ok + +test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in $TIME + From f88c647cdab91b7f82de2d68fb7ec0f4d00f86b8 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Wed, 5 Jun 2024 12:07:27 -0400 Subject: [PATCH 1253/1716] rewrite `short-ice` in `rmake` format --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/short-ice/Makefile | 10 ------ tests/run-make/short-ice/check.sh | 36 ------------------- tests/run-make/short-ice/rmake.rs | 31 ++++++++++++++++ 4 files changed, 31 insertions(+), 47 deletions(-) delete mode 100644 tests/run-make/short-ice/Makefile delete mode 100644 tests/run-make/short-ice/check.sh create mode 100644 tests/run-make/short-ice/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index a015f96ae51d..82f0a6531a75 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -218,7 +218,6 @@ run-make/sepcomp-cci-copies/Makefile run-make/sepcomp-inlining/Makefile run-make/sepcomp-separate/Makefile run-make/share-generics-dylib/Makefile -run-make/short-ice/Makefile run-make/silly-file-names/Makefile run-make/simd-ffi/Makefile run-make/split-debuginfo/Makefile diff --git a/tests/run-make/short-ice/Makefile b/tests/run-make/short-ice/Makefile deleted file mode 100644 index 23006fc09e2f..000000000000 --- a/tests/run-make/short-ice/Makefile +++ /dev/null @@ -1,10 +0,0 @@ -include ../tools.mk - -# ignore-windows - -export RUSTC := $(RUSTC_ORIGINAL) -export LD_LIBRARY_PATH := $(HOST_RPATH_DIR) -export TMPDIR := $(TMPDIR) - -all: - bash check.sh diff --git a/tests/run-make/short-ice/check.sh b/tests/run-make/short-ice/check.sh deleted file mode 100644 index 56babd2142f8..000000000000 --- a/tests/run-make/short-ice/check.sh +++ /dev/null @@ -1,36 +0,0 @@ -#!/bin/sh -export RUSTC_ICE=0 -RUST_BACKTRACE=1 $RUSTC src/lib.rs -Z treat-err-as-bug=1 1>$TMPDIR/rust-test-1.log 2>&1 -RUST_BACKTRACE=full $RUSTC src/lib.rs -Z treat-err-as-bug=1 1>$TMPDIR/rust-test-2.log 2>&1 - -short=$(cat $TMPDIR/rust-test-1.log | wc -l) -full=$(cat $TMPDIR/rust-test-2.log | wc -l) -rustc_query_count=$(cat $TMPDIR/rust-test-1.log | grep rustc_query_ | wc -l) -rustc_query_count_full=$(cat $TMPDIR/rust-test-2.log | grep rustc_query_ | wc -l) - -begin_count=$(cat $TMPDIR/rust-test-2.log | grep __rust_begin_short_backtrace | wc -l) -end_count=$(cat $TMPDIR/rust-test-2.log | grep __rust_end_short_backtrace | wc -l) - -cat $TMPDIR/rust-test-1.log -echo "=====================" -cat $TMPDIR/rust-test-2.log -echo "=====================" - -echo "short backtrace: $short" -echo "full backtrace: $full" -echo "begin_count: $begin_count" -echo "end_count : $end_count" -echo "rustc_query_count: $rustc_query_count" -echo "rustc_query_count_full: $rustc_query_count_full" - -## backtraces to vary a bit depending on platform and configuration options, -## here we make sure that the short backtrace of rustc_query is shorter than the full, -## and marks are in pairs. -if [ $short -lt $full ] && - [ $begin_count -eq $end_count ] && - [ $(($rustc_query_count + 5)) -lt $rustc_query_count_full ] && - [ $rustc_query_count_full -gt 5 ]; then - exit 0 -else - exit 1 -fi diff --git a/tests/run-make/short-ice/rmake.rs b/tests/run-make/short-ice/rmake.rs new file mode 100644 index 000000000000..0aa1df61dbea --- /dev/null +++ b/tests/run-make/short-ice/rmake.rs @@ -0,0 +1,31 @@ +// Backtraces in internal compiler errors used to be unbearably long, spanning +// multiple hundreds of lines. A fix was pushed in #108938, and this test gathers +// varied metrics on level 1 and full-level backtraces to check that the output +// was shortened down to an appropriate length. +// See https://github.com/rust-lang/rust/issues/107910 + +use run_make_support::rustc; +use std::env; + +fn main() { + env::set_var("RUST_BACKTRACE", "1"); + let mut rust_test_1 = rustc().input("src/lib.rs").arg("-Ztreat-err-as-bug=1").run_fail(); + env::set_var("RUST_BACKTRACE", "full"); + let mut rust_test_2 = rustc().input("src/lib.rs").arg("-Ztreat-err-as-bug=1").run_fail(); + let rust_test_log_1 = rust_test_1.stderr_utf8().push_str(&rust_test_1.stdout_utf8()).as_str(); + let rust_test_log_2 = rust_test_2.stderr_utf8().push_str(&rust_test_2.stdout_utf8()).as_str(); + + let rustc_query_count_full = count_lines_with(rust_test_log_2, "rustc_query_"); + + assert!( + rust_test_log_1.lines().count() < rust_test_log_2.lines().count() + && count_lines_with(rust_test_log_2, "__rust_begin_short_backtrace") + == count_lines_with(rust_test_log_2, "__rust_end_short_backtrace") + && count_lines_with(rust_test_log_1, "rustc_query_") + 5 < rustc_query_count_full + && rustc_query_count_full > 5 + ); +} + +fn count_lines_with(s: &str, search: &str) -> usize { + s.lines().filter(|l| l.contains(search)).count() +} From 55344c84a59412afeb6965945e24cbae7389ecab Mon Sep 17 00:00:00 2001 From: Artem Belyakov Date: Sun, 9 Jun 2024 21:01:00 +0300 Subject: [PATCH 1254/1716] Handle single chars with `to_string()` for `single_char_add_str` --- .../src/methods/single_char_insert_string.rs | 42 +++++++++++++- .../src/methods/single_char_push_string.rs | 41 ++++++++++++- tests/ui/single_char_add_str.fixed | 10 ++++ tests/ui/single_char_add_str.rs | 10 ++++ tests/ui/single_char_add_str.stderr | 58 +++++++++++++++---- 5 files changed, 148 insertions(+), 13 deletions(-) diff --git a/clippy_lints/src/methods/single_char_insert_string.rs b/clippy_lints/src/methods/single_char_insert_string.rs index 20ec2b74d81e..f2af793a8691 100644 --- a/clippy_lints/src/methods/single_char_insert_string.rs +++ b/clippy_lints/src/methods/single_char_insert_string.rs @@ -1,8 +1,9 @@ use super::utils::get_hint_if_single_char_arg; use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::source::snippet_with_applicability; +use rustc_ast::BorrowKind; use rustc_errors::Applicability; -use rustc_hir as hir; +use rustc_hir::{self as hir, ExprKind}; use rustc_lint::LateContext; use super::SINGLE_CHAR_ADD_STR; @@ -25,4 +26,43 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, receiver: &hir:: applicability, ); } + + if let ExprKind::AddrOf(BorrowKind::Ref, _, arg) = &args[1].kind + && let ExprKind::MethodCall(path_segment, method_arg, _, _) = &arg.kind + && path_segment.ident.as_str() == "to_string" + && (is_ref_char(cx, method_arg) || is_char(cx, method_arg)) + { + let base_string_snippet = + snippet_with_applicability(cx, receiver.span.source_callsite(), "..", &mut applicability); + let extension_string = + snippet_with_applicability(cx, method_arg.span.source_callsite(), "..", &mut applicability); + let pos_arg = snippet_with_applicability(cx, args[0].span, "..", &mut applicability); + let deref_string = if is_ref_char(cx, method_arg) { "*" } else { "" }; + + let sugg = format!("{base_string_snippet}.insert({pos_arg}, {deref_string}{extension_string})"); + span_lint_and_sugg( + cx, + SINGLE_CHAR_ADD_STR, + expr.span, + "calling `insert_str()` using a single-character converted to string", + "consider using `insert` without `to_string()`", + sugg, + applicability, + ); + } +} + +fn is_ref_char(cx: &LateContext<'_>, expr: &hir::Expr<'_>) -> bool { + if cx.typeck_results().expr_ty(expr).is_ref() + && let rustc_middle::ty::Ref(_, ty, _) = cx.typeck_results().expr_ty(expr).kind() + && ty.is_char() + { + return true; + } + + false +} + +fn is_char(cx: &LateContext<'_>, expr: &hir::Expr<'_>) -> bool { + cx.typeck_results().expr_ty(expr).is_char() } diff --git a/clippy_lints/src/methods/single_char_push_string.rs b/clippy_lints/src/methods/single_char_push_string.rs index 97c13825bc10..8c6e490a38ff 100644 --- a/clippy_lints/src/methods/single_char_push_string.rs +++ b/clippy_lints/src/methods/single_char_push_string.rs @@ -1,8 +1,9 @@ use super::utils::get_hint_if_single_char_arg; use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::source::snippet_with_applicability; +use rustc_ast::BorrowKind; use rustc_errors::Applicability; -use rustc_hir as hir; +use rustc_hir::{self as hir, ExprKind}; use rustc_lint::LateContext; use super::SINGLE_CHAR_ADD_STR; @@ -24,4 +25,42 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, receiver: &hir:: applicability, ); } + + if let ExprKind::AddrOf(BorrowKind::Ref, _, arg) = &args[0].kind + && let ExprKind::MethodCall(path_segment, method_arg, _, _) = &arg.kind + && path_segment.ident.as_str() == "to_string" + && (is_ref_char(cx, method_arg) || is_char(cx, method_arg)) + { + let base_string_snippet = + snippet_with_applicability(cx, receiver.span.source_callsite(), "..", &mut applicability); + let extension_string = + snippet_with_applicability(cx, method_arg.span.source_callsite(), "..", &mut applicability); + let deref_string = if is_ref_char(cx, method_arg) { "*" } else { "" }; + + let sugg = format!("{base_string_snippet}.push({deref_string}{extension_string})"); + span_lint_and_sugg( + cx, + SINGLE_CHAR_ADD_STR, + expr.span, + "calling `push_str()` using a single-character converted to string", + "consider using `push` without `to_string()`", + sugg, + applicability, + ); + } +} + +fn is_ref_char(cx: &LateContext<'_>, expr: &hir::Expr<'_>) -> bool { + if cx.typeck_results().expr_ty(expr).is_ref() + && let rustc_middle::ty::Ref(_, ty, _) = cx.typeck_results().expr_ty(expr).kind() + && ty.is_char() + { + return true; + } + + false +} + +fn is_char(cx: &LateContext<'_>, expr: &hir::Expr<'_>) -> bool { + cx.typeck_results().expr_ty(expr).is_char() } diff --git a/tests/ui/single_char_add_str.fixed b/tests/ui/single_char_add_str.fixed index eafd17f53874..aef15252b1bc 100644 --- a/tests/ui/single_char_add_str.fixed +++ b/tests/ui/single_char_add_str.fixed @@ -21,6 +21,12 @@ fn main() { string.push('\u{0052}'); string.push('a'); + let c_ref = &'a'; + string.push(*c_ref); + let c = 'a'; + string.push(c); + string.push('a'); + get_string!().push('ö'); // `insert_str` tests @@ -41,5 +47,9 @@ fn main() { string.insert(Y, '"'); string.insert(Y, '\''); + string.insert(0, *c_ref); + string.insert(0, c); + string.insert(0, 'a'); + get_string!().insert(1, '?'); } diff --git a/tests/ui/single_char_add_str.rs b/tests/ui/single_char_add_str.rs index 5326c7cf24c6..7f97250dacd4 100644 --- a/tests/ui/single_char_add_str.rs +++ b/tests/ui/single_char_add_str.rs @@ -21,6 +21,12 @@ fn main() { string.push_str("\u{0052}"); string.push_str(r##"a"##); + let c_ref = &'a'; + string.push_str(&c_ref.to_string()); + let c = 'a'; + string.push_str(&c.to_string()); + string.push_str(&'a'.to_string()); + get_string!().push_str("ö"); // `insert_str` tests @@ -41,5 +47,9 @@ fn main() { string.insert_str(Y, r##"""##); string.insert_str(Y, r##"'"##); + string.insert_str(0, &c_ref.to_string()); + string.insert_str(0, &c.to_string()); + string.insert_str(0, &'a'.to_string()); + get_string!().insert_str(1, "?"); } diff --git a/tests/ui/single_char_add_str.stderr b/tests/ui/single_char_add_str.stderr index 89d75f20f55a..7791c67578aa 100644 --- a/tests/ui/single_char_add_str.stderr +++ b/tests/ui/single_char_add_str.stderr @@ -31,65 +31,101 @@ error: calling `push_str()` using a single-character string literal LL | string.push_str(r##"a"##); | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `string.push('a')` +error: calling `push_str()` using a single-character converted to string + --> tests/ui/single_char_add_str.rs:25:5 + | +LL | string.push_str(&c_ref.to_string()); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `push` without `to_string()`: `string.push(*c_ref)` + +error: calling `push_str()` using a single-character converted to string + --> tests/ui/single_char_add_str.rs:27:5 + | +LL | string.push_str(&c.to_string()); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `push` without `to_string()`: `string.push(c)` + +error: calling `push_str()` using a single-character converted to string + --> tests/ui/single_char_add_str.rs:28:5 + | +LL | string.push_str(&'a'.to_string()); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `push` without `to_string()`: `string.push('a')` + error: calling `push_str()` using a single-character string literal - --> tests/ui/single_char_add_str.rs:24:5 + --> tests/ui/single_char_add_str.rs:30:5 | LL | get_string!().push_str("ö"); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `push` with a character literal: `get_string!().push('ö')` error: calling `insert_str()` using a single-character string literal - --> tests/ui/single_char_add_str.rs:29:5 + --> tests/ui/single_char_add_str.rs:35:5 | LL | string.insert_str(0, "R"); | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `insert` with a character literal: `string.insert(0, 'R')` error: calling `insert_str()` using a single-character string literal - --> tests/ui/single_char_add_str.rs:30:5 + --> tests/ui/single_char_add_str.rs:36:5 | LL | string.insert_str(1, "'"); | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `insert` with a character literal: `string.insert(1, '\'')` error: calling `insert_str()` using a single-character string literal - --> tests/ui/single_char_add_str.rs:35:5 + --> tests/ui/single_char_add_str.rs:41:5 | LL | string.insert_str(0, "\x52"); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `insert` with a character literal: `string.insert(0, '\x52')` error: calling `insert_str()` using a single-character string literal - --> tests/ui/single_char_add_str.rs:36:5 + --> tests/ui/single_char_add_str.rs:42:5 | LL | string.insert_str(0, "\u{0052}"); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `insert` with a character literal: `string.insert(0, '\u{0052}')` error: calling `insert_str()` using a single-character string literal - --> tests/ui/single_char_add_str.rs:38:5 + --> tests/ui/single_char_add_str.rs:44:5 | LL | string.insert_str(x, r##"a"##); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `insert` with a character literal: `string.insert(x, 'a')` error: calling `insert_str()` using a single-character string literal - --> tests/ui/single_char_add_str.rs:40:5 + --> tests/ui/single_char_add_str.rs:46:5 | LL | string.insert_str(Y, r##"a"##); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `insert` with a character literal: `string.insert(Y, 'a')` error: calling `insert_str()` using a single-character string literal - --> tests/ui/single_char_add_str.rs:41:5 + --> tests/ui/single_char_add_str.rs:47:5 | LL | string.insert_str(Y, r##"""##); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `insert` with a character literal: `string.insert(Y, '"')` error: calling `insert_str()` using a single-character string literal - --> tests/ui/single_char_add_str.rs:42:5 + --> tests/ui/single_char_add_str.rs:48:5 | LL | string.insert_str(Y, r##"'"##); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `insert` with a character literal: `string.insert(Y, '\'')` +error: calling `insert_str()` using a single-character converted to string + --> tests/ui/single_char_add_str.rs:50:5 + | +LL | string.insert_str(0, &c_ref.to_string()); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `insert` without `to_string()`: `string.insert(0, *c_ref)` + +error: calling `insert_str()` using a single-character converted to string + --> tests/ui/single_char_add_str.rs:51:5 + | +LL | string.insert_str(0, &c.to_string()); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `insert` without `to_string()`: `string.insert(0, c)` + +error: calling `insert_str()` using a single-character converted to string + --> tests/ui/single_char_add_str.rs:52:5 + | +LL | string.insert_str(0, &'a'.to_string()); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `insert` without `to_string()`: `string.insert(0, 'a')` + error: calling `insert_str()` using a single-character string literal - --> tests/ui/single_char_add_str.rs:44:5 + --> tests/ui/single_char_add_str.rs:54:5 | LL | get_string!().insert_str(1, "?"); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `insert` with a character literal: `get_string!().insert(1, '?')` -error: aborting due to 15 previous errors +error: aborting due to 21 previous errors From f7723cada7191fba2313d410ea5a4327a878d589 Mon Sep 17 00:00:00 2001 From: Artem Belyakov Date: Sun, 9 Jun 2024 21:23:59 +0300 Subject: [PATCH 1255/1716] Fix dogfood test --- clippy_lints/src/methods/single_char_insert_string.rs | 2 +- clippy_lints/src/methods/single_char_push_string.rs | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/clippy_lints/src/methods/single_char_insert_string.rs b/clippy_lints/src/methods/single_char_insert_string.rs index f2af793a8691..ba9ef9c84f9c 100644 --- a/clippy_lints/src/methods/single_char_insert_string.rs +++ b/clippy_lints/src/methods/single_char_insert_string.rs @@ -29,7 +29,7 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, receiver: &hir:: if let ExprKind::AddrOf(BorrowKind::Ref, _, arg) = &args[1].kind && let ExprKind::MethodCall(path_segment, method_arg, _, _) = &arg.kind - && path_segment.ident.as_str() == "to_string" + && path_segment.ident.name == rustc_span::sym::to_string && (is_ref_char(cx, method_arg) || is_char(cx, method_arg)) { let base_string_snippet = diff --git a/clippy_lints/src/methods/single_char_push_string.rs b/clippy_lints/src/methods/single_char_push_string.rs index 8c6e490a38ff..f00a5ab455e8 100644 --- a/clippy_lints/src/methods/single_char_push_string.rs +++ b/clippy_lints/src/methods/single_char_push_string.rs @@ -28,7 +28,7 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, receiver: &hir:: if let ExprKind::AddrOf(BorrowKind::Ref, _, arg) = &args[0].kind && let ExprKind::MethodCall(path_segment, method_arg, _, _) = &arg.kind - && path_segment.ident.as_str() == "to_string" + && path_segment.ident.name == rustc_span::sym::to_string && (is_ref_char(cx, method_arg) || is_char(cx, method_arg)) { let base_string_snippet = From 8865b8c63900acb1834390344fc1cc43ae209f08 Mon Sep 17 00:00:00 2001 From: Michael Howell Date: Sun, 9 Jun 2024 11:56:52 -0700 Subject: [PATCH 1256/1716] rustdoc-search: use lowercase, non-normalized name for type search The type name ID map has underscores in its names, so the query element should have them, too. --- src/librustdoc/html/static/js/search.js | 12 +++-- tests/rustdoc-js/underscoredtype.js | 62 +++++++++++++++++++++++++ tests/rustdoc-js/underscoredtype.rs | 8 ++++ 3 files changed, 78 insertions(+), 4 deletions(-) create mode 100644 tests/rustdoc-js/underscoredtype.js create mode 100644 tests/rustdoc-js/underscoredtype.rs diff --git a/src/librustdoc/html/static/js/search.js b/src/librustdoc/html/static/js/search.js index 8ac4b53673f4..a0ab262bf0b0 100644 --- a/src/librustdoc/html/static/js/search.js +++ b/src/librustdoc/html/static/js/search.js @@ -2399,15 +2399,19 @@ function initSearch(rawSearchIndex) { * @param {boolean} isAssocType */ function convertNameToId(elem, isAssocType) { - if (typeNameIdMap.has(elem.normalizedPathLast) && - (isAssocType || !typeNameIdMap.get(elem.normalizedPathLast).assocOnly)) { - elem.id = typeNameIdMap.get(elem.normalizedPathLast).id; + const loweredName = elem.pathLast.toLowerCase(); + if (typeNameIdMap.has(loweredName) && + (isAssocType || !typeNameIdMap.get(loweredName).assocOnly)) { + elem.id = typeNameIdMap.get(loweredName).id; } else if (!parsedQuery.literalSearch) { let match = null; let matchDist = maxEditDistance + 1; let matchName = ""; for (const [name, {id, assocOnly}] of typeNameIdMap) { - const dist = editDistance(name, elem.normalizedPathLast, maxEditDistance); + const dist = Math.min( + editDistance(name, loweredName, maxEditDistance), + editDistance(name, elem.normalizedPathLast, maxEditDistance), + ); if (dist <= matchDist && dist <= maxEditDistance && (isAssocType || !assocOnly)) { if (dist === matchDist && matchName > name) { diff --git a/tests/rustdoc-js/underscoredtype.js b/tests/rustdoc-js/underscoredtype.js new file mode 100644 index 000000000000..06e3b07b0960 --- /dev/null +++ b/tests/rustdoc-js/underscoredtype.js @@ -0,0 +1,62 @@ +const EXPECTED = [ + { + 'query': 'pid_t', + 'correction': null, + 'proposeCorrectionFrom': null, + 'proposeCorrectionTo': null, + 'others': [ + { 'path': 'underscoredtype::unix', 'name': 'pid_t' }, + ], + 'returned': [ + { 'path': 'underscoredtype::unix', 'name': 'set_pid' }, + ], + 'returned': [ + { 'path': 'underscoredtype::unix', 'name': 'get_pid' }, + ], + }, + { + 'query': 'pidt', + 'correction': 'pid_t', + 'proposeCorrectionFrom': null, + 'proposeCorrectionTo': null, + 'others': [ + { 'path': 'underscoredtype::unix', 'name': 'pid_t' }, + ], + 'returned': [ + { 'path': 'underscoredtype::unix', 'name': 'set_pid' }, + ], + 'returned': [ + { 'path': 'underscoredtype::unix', 'name': 'get_pid' }, + ], + }, + { + 'query': 'unix::pid_t', + 'correction': null, + 'proposeCorrectionFrom': null, + 'proposeCorrectionTo': null, + 'others': [ + { 'path': 'underscoredtype::unix', 'name': 'pid_t' }, + ], + 'returned': [ + { 'path': 'underscoredtype::unix', 'name': 'set_pid' }, + ], + 'returned': [ + { 'path': 'underscoredtype::unix', 'name': 'get_pid' }, + ], + }, + { + 'query': 'unix::pidt', + 'correction': 'pid_t', + 'proposeCorrectionFrom': null, + 'proposeCorrectionTo': null, + 'others': [ + { 'path': 'underscoredtype::unix', 'name': 'pid_t' }, + ], + 'returned': [ + { 'path': 'underscoredtype::unix', 'name': 'set_pid' }, + ], + 'returned': [ + { 'path': 'underscoredtype::unix', 'name': 'get_pid' }, + ], + }, +]; diff --git a/tests/rustdoc-js/underscoredtype.rs b/tests/rustdoc-js/underscoredtype.rs new file mode 100644 index 000000000000..83c532cf855d --- /dev/null +++ b/tests/rustdoc-js/underscoredtype.rs @@ -0,0 +1,8 @@ +pub mod unix { + #[allow(non_camel_case_types)] + pub type pid_t = i32; + pub fn get_pid() -> pid_t { + 0 + } + pub fn set_pid(_: pid_t) {} +} From e61d3b8372f988ba8b6573deac2290d59d72b76f Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Sat, 8 Jun 2024 12:48:19 +0300 Subject: [PATCH 1257/1716] fix `Builder::doc_rust_lang_org_channel` Previously, we were unable to use `rust.download-rustc` with the beta or stable channel settings through `rust.channel` due to breaking rustdoc UI tests. This was because when using a precompiled nightly compiler from CI, we must use the channel of precompiled compiler and ignore `rust.channel` from the configuration. This change addresses that issue in `Builder::doc_rust_lang_org_channel` and allows rustdoc UI tests to work with the precompiled compiler even if the channel specified in config.toml is "beta" or "stable". Signed-off-by: onur-ozkan --- src/bootstrap/src/core/builder.rs | 26 ++++++++++++++++++------- src/bootstrap/src/core/config/config.rs | 26 ++++++++++++++++++------- 2 files changed, 38 insertions(+), 14 deletions(-) diff --git a/src/bootstrap/src/core/builder.rs b/src/bootstrap/src/core/builder.rs index b3d8465cda98..3b890a6516f9 100644 --- a/src/bootstrap/src/core/builder.rs +++ b/src/bootstrap/src/core/builder.rs @@ -1038,14 +1038,26 @@ impl<'a> Builder<'a> { } pub fn doc_rust_lang_org_channel(&self) -> String { - let channel = match &*self.config.channel { - "stable" => &self.version, - "beta" => "beta", - "nightly" | "dev" => "nightly", - // custom build of rustdoc maybe? link to the latest stable docs just in case - _ => "stable", + // When using precompiled compiler from CI, we need to use CI rustc's channel and + // ignore `rust.channel` from the configuration. Otherwise most of the rustdoc tests + // will fail due to incompatible `DOC_RUST_LANG_ORG_CHANNEL`. + let channel = if let Some(commit) = self.config.download_rustc_commit() { + self.config + .read_file_by_commit(&PathBuf::from("src/ci/channel"), commit) + .trim() + .to_owned() + } else { + match &*self.config.channel { + "stable" => &self.version, + "beta" => "beta", + "nightly" | "dev" => "nightly", + // custom build of rustdoc maybe? link to the latest stable docs just in case + _ => "stable", + } + .to_owned() }; - "https://doc.rust-lang.org/".to_owned() + channel + + format!("https://doc.rust-lang.org/{channel}") } fn run_step_descriptions(&self, v: &[StepDescription], paths: &[PathBuf]) { diff --git a/src/bootstrap/src/core/config/config.rs b/src/bootstrap/src/core/config/config.rs index 17e37c1ecd23..2d87fb4aa60f 100644 --- a/src/bootstrap/src/core/config/config.rs +++ b/src/bootstrap/src/core/config/config.rs @@ -2134,17 +2134,29 @@ impl Config { args } + /// Returns the content of the given file at a specific commit. + pub(crate) fn read_file_by_commit(&self, file: &Path, commit: &str) -> String { + assert!( + self.rust_info.is_managed_git_subrepository(), + "`Config::read_file_by_commit` is not supported in non-git sources." + ); + + let mut git = self.git(); + git.arg("show").arg(format!("{commit}:{}", file.to_str().unwrap())); + output(&mut git) + } + /// Bootstrap embeds a version number into the name of shared libraries it uploads in CI. /// Return the version it would have used for the given commit. pub(crate) fn artifact_version_part(&self, commit: &str) -> String { let (channel, version) = if self.rust_info.is_managed_git_subrepository() { - let mut channel = self.git(); - channel.arg("show").arg(format!("{commit}:src/ci/channel")); - let channel = output(&mut channel); - let mut version = self.git(); - version.arg("show").arg(format!("{commit}:src/version")); - let version = output(&mut version); - (channel.trim().to_owned(), version.trim().to_owned()) + let channel = self + .read_file_by_commit(&PathBuf::from("src/ci/channel"), commit) + .trim() + .to_owned(); + let version = + self.read_file_by_commit(&PathBuf::from("src/version"), commit).trim().to_owned(); + (channel, version) } else { let channel = fs::read_to_string(self.src.join("src/ci/channel")); let version = fs::read_to_string(self.src.join("src/version")); From 99c5476edb85f061d960b4c789b4f70ec444864d Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Sat, 8 Jun 2024 12:59:58 +0300 Subject: [PATCH 1258/1716] remove the outdated incompatibility check This check is no longer needed as rustdoc ui tests works with any channel + precompiled compiler. Signed-off-by: onur-ozkan --- src/bootstrap/src/core/config/config.rs | 15 ++------------- 1 file changed, 2 insertions(+), 13 deletions(-) diff --git a/src/bootstrap/src/core/config/config.rs b/src/bootstrap/src/core/config/config.rs index 2d87fb4aa60f..36b44d0169c9 100644 --- a/src/bootstrap/src/core/config/config.rs +++ b/src/bootstrap/src/core/config/config.rs @@ -1608,19 +1608,8 @@ impl Config { set(&mut config.channel, channel); config.download_rustc_commit = config.download_ci_rustc_commit(download_rustc); - // This list is incomplete, please help by expanding it! - if config.download_rustc_commit.is_some() { - // We need the channel used by the downloaded compiler to match the one we set for rustdoc; - // otherwise rustdoc-ui tests break. - if config.channel != ci_channel - && !(config.channel == "dev" && ci_channel == "nightly") - { - panic!( - "setting rust.channel={} is incompatible with download-rustc", - config.channel - ); - } - } + + // FIXME: handle download-rustc incompatible options. debug = debug_toml; debug_assertions = debug_assertions_toml; From 5349476a0351f6d97076bc5ac9857994ee0e839b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Sun, 9 Jun 2024 22:10:49 +0200 Subject: [PATCH 1259/1716] Remove libstdc++ version check --- src/bootstrap/src/core/sanity.rs | 1 - 1 file changed, 1 deletion(-) diff --git a/src/bootstrap/src/core/sanity.rs b/src/bootstrap/src/core/sanity.rs index e3556cb16b05..b5f17b9f54ed 100644 --- a/src/bootstrap/src/core/sanity.rs +++ b/src/bootstrap/src/core/sanity.rs @@ -128,7 +128,6 @@ pub fn check(build: &mut Build) { eprintln!( "Consider upgrading libstdc++ or disabling the `llvm.download-ci-llvm` option." ); - crate::exit!(1); } } tool::LibcxxVersion::Llvm(_) => { From d5dd2d8284c30f3f79e4beb35246761ed4892c49 Mon Sep 17 00:00:00 2001 From: Vadim Petrochenkov Date: Sun, 3 Mar 2024 15:34:22 +0300 Subject: [PATCH 1260/1716] rustc_span: Optimize syntax context updates in spans --- compiler/rustc_expand/src/mbe/transcribe.rs | 10 +- compiler/rustc_span/src/lib.rs | 25 +-- compiler/rustc_span/src/span_encoding.rs | 187 ++++++++++++++------ 3 files changed, 149 insertions(+), 73 deletions(-) diff --git a/compiler/rustc_expand/src/mbe/transcribe.rs b/compiler/rustc_expand/src/mbe/transcribe.rs index 3196b8260854..25e961d60090 100644 --- a/compiler/rustc_expand/src/mbe/transcribe.rs +++ b/compiler/rustc_expand/src/mbe/transcribe.rs @@ -30,11 +30,11 @@ impl MutVisitor for Marker { // it's some advanced case with macro-generated macros. So if we cache the marked version // of that context once, we'll typically have a 100% cache hit rate after that. let Marker(expn_id, transparency, ref mut cache) = *self; - let data = span.data(); - let marked_ctxt = *cache - .entry(data.ctxt) - .or_insert_with(|| data.ctxt.apply_mark(expn_id.to_expn_id(), transparency)); - *span = data.with_ctxt(marked_ctxt); + span.update_ctxt(|ctxt| { + *cache + .entry(ctxt) + .or_insert_with(|| ctxt.apply_mark(expn_id.to_expn_id(), transparency)) + }); } } diff --git a/compiler/rustc_span/src/lib.rs b/compiler/rustc_span/src/lib.rs index 82179a4a0586..99fcaf917fe9 100644 --- a/compiler/rustc_span/src/lib.rs +++ b/compiler/rustc_span/src/lib.rs @@ -521,7 +521,7 @@ impl SpanData { Span::new(self.lo, hi, self.ctxt, self.parent) } #[inline] - pub fn with_ctxt(&self, ctxt: SyntaxContext) -> Span { + fn with_ctxt(&self, ctxt: SyntaxContext) -> Span { Span::new(self.lo, self.hi, ctxt, self.parent) } #[inline] @@ -576,8 +576,9 @@ impl Span { self.data().with_hi(hi) } #[inline] - pub fn with_ctxt(self, ctxt: SyntaxContext) -> Span { - self.data_untracked().with_ctxt(ctxt) + pub fn with_ctxt(mut self, ctxt: SyntaxContext) -> Span { + self.update_ctxt(|_| ctxt); + self } #[inline] pub fn parent(self) -> Option { @@ -1058,9 +1059,9 @@ impl Span { } #[inline] - pub fn apply_mark(self, expn_id: ExpnId, transparency: Transparency) -> Span { - let span = self.data(); - span.with_ctxt(span.ctxt.apply_mark(expn_id, transparency)) + pub fn apply_mark(mut self, expn_id: ExpnId, transparency: Transparency) -> Span { + self.update_ctxt(|ctxt| ctxt.apply_mark(expn_id, transparency)); + self } #[inline] @@ -1108,15 +1109,15 @@ impl Span { } #[inline] - pub fn normalize_to_macros_2_0(self) -> Span { - let span = self.data(); - span.with_ctxt(span.ctxt.normalize_to_macros_2_0()) + pub fn normalize_to_macros_2_0(mut self) -> Span { + self.update_ctxt(|ctxt| ctxt.normalize_to_macros_2_0()); + self } #[inline] - pub fn normalize_to_macro_rules(self) -> Span { - let span = self.data(); - span.with_ctxt(span.ctxt.normalize_to_macro_rules()) + pub fn normalize_to_macro_rules(mut self) -> Span { + self.update_ctxt(|ctxt| ctxt.normalize_to_macro_rules()); + self } } diff --git a/compiler/rustc_span/src/span_encoding.rs b/compiler/rustc_span/src/span_encoding.rs index 6a0282266316..52a1267f8918 100644 --- a/compiler/rustc_span/src/span_encoding.rs +++ b/compiler/rustc_span/src/span_encoding.rs @@ -87,6 +87,45 @@ pub struct Span { ctxt_or_parent_or_marker: u16, } +impl Span { + #[inline] + fn data_inline_ctxt(self) -> SpanData { + let len = self.len_with_tag_or_marker as u32; + debug_assert!(len <= MAX_LEN); + SpanData { + lo: BytePos(self.lo_or_index), + hi: BytePos(self.lo_or_index.debug_strict_add(len)), + ctxt: SyntaxContext::from_u32(self.ctxt_or_parent_or_marker as u32), + parent: None, + } + } + #[inline] + fn data_inline_parent(self) -> SpanData { + let len = (self.len_with_tag_or_marker & !PARENT_TAG) as u32; + debug_assert!(len <= MAX_LEN); + let parent = LocalDefId { + local_def_index: DefIndex::from_u32(self.ctxt_or_parent_or_marker as u32), + }; + SpanData { + lo: BytePos(self.lo_or_index), + hi: BytePos(self.lo_or_index.debug_strict_add(len)), + ctxt: SyntaxContext::root(), + parent: Some(parent), + } + } + #[inline] + fn data_partially_interned(self) -> SpanData { + SpanData { + ctxt: SyntaxContext::from_u32(self.ctxt_or_parent_or_marker as u32), + ..with_span_interner(|interner| interner.spans[self.lo_or_index as usize]) + } + } + #[inline] + fn data_interned(self) -> SpanData { + with_span_interner(|interner| interner.spans[self.lo_or_index as usize]) + } +} + // `MAX_LEN` is chosen so that `PARENT_TAG | MAX_LEN` is distinct from // `BASE_LEN_INTERNED_MARKER`. (If `MAX_LEN` was 1 higher, this wouldn't be true.) const MAX_LEN: u32 = 0b0111_1111_1111_1110; @@ -111,42 +150,49 @@ impl Span { std::mem::swap(&mut lo, &mut hi); } - let (lo2, len, ctxt2) = (lo.0, hi.0 - lo.0, ctxt.as_u32()); - + // Small len may enable one of fully inline formats (or may not). + let (len, ctxt32) = (hi.0 - lo.0, ctxt.as_u32()); if len <= MAX_LEN { - if ctxt2 <= MAX_CTXT && parent.is_none() { + if ctxt32 <= MAX_CTXT && parent.is_none() { // Inline-context format. return Span { - lo_or_index: lo2, + lo_or_index: lo.0, len_with_tag_or_marker: len as u16, - ctxt_or_parent_or_marker: ctxt2 as u16, + ctxt_or_parent_or_marker: ctxt32 as u16, }; - } else if ctxt2 == SyntaxContext::root().as_u32() + } else if ctxt32 == 0 && let Some(parent) = parent - && let parent2 = parent.local_def_index.as_u32() - && parent2 <= MAX_CTXT + && let parent32 = parent.local_def_index.as_u32() + && parent32 <= MAX_CTXT { // Inline-parent format. return Span { - lo_or_index: lo2, + lo_or_index: lo.0, len_with_tag_or_marker: PARENT_TAG | len as u16, - ctxt_or_parent_or_marker: parent2 as u16, + ctxt_or_parent_or_marker: parent32 as u16, }; } } - // Partially-interned or fully-interned format. - let index = - with_span_interner(|interner| interner.intern(&SpanData { lo, hi, ctxt, parent })); - let ctxt_or_parent_or_marker = if ctxt2 <= MAX_CTXT { - ctxt2 as u16 // partially-interned - } else { - CTXT_INTERNED_MARKER // fully-interned + // Otherwise small ctxt may enable the partially inline format. + let index = |ctxt| { + with_span_interner(|interner| interner.intern(&SpanData { lo, hi, ctxt, parent })) }; - Span { - lo_or_index: index, - len_with_tag_or_marker: BASE_LEN_INTERNED_MARKER, - ctxt_or_parent_or_marker, + if ctxt32 <= MAX_CTXT { + // Partially-interned format. + Span { + // Interned ctxt should never be read, so it can use any value. + lo_or_index: index(SyntaxContext::from_u32(u32::MAX)), + len_with_tag_or_marker: BASE_LEN_INTERNED_MARKER, + ctxt_or_parent_or_marker: ctxt32 as u16, + } + } else { + // Interned format. + Span { + lo_or_index: index(ctxt), + len_with_tag_or_marker: BASE_LEN_INTERNED_MARKER, + ctxt_or_parent_or_marker: CTXT_INTERNED_MARKER, + } } } @@ -166,34 +212,17 @@ impl Span { if self.len_with_tag_or_marker != BASE_LEN_INTERNED_MARKER { if self.len_with_tag_or_marker & PARENT_TAG == 0 { // Inline-context format. - let len = self.len_with_tag_or_marker as u32; - debug_assert!(len <= MAX_LEN); - SpanData { - lo: BytePos(self.lo_or_index), - hi: BytePos(self.lo_or_index.debug_strict_add(len)), - ctxt: SyntaxContext::from_u32(self.ctxt_or_parent_or_marker as u32), - parent: None, - } + self.data_inline_ctxt() } else { // Inline-parent format. - let len = (self.len_with_tag_or_marker & !PARENT_TAG) as u32; - debug_assert!(len <= MAX_LEN); - let parent = LocalDefId { - local_def_index: DefIndex::from_u32(self.ctxt_or_parent_or_marker as u32), - }; - SpanData { - lo: BytePos(self.lo_or_index), - hi: BytePos(self.lo_or_index.debug_strict_add(len)), - ctxt: SyntaxContext::root(), - parent: Some(parent), - } + self.data_inline_parent() } + } else if self.ctxt_or_parent_or_marker != CTXT_INTERNED_MARKER { + // Partially-interned format. + self.data_partially_interned() } else { - // Fully-interned or partially-interned format. In either case, - // the interned value contains all the data, so we don't need to - // distinguish them. - let index = self.lo_or_index; - with_span_interner(|interner| interner.spans[index as usize]) + // Interned format. + self.data_interned() } } @@ -214,27 +243,73 @@ impl Span { } } + // For optimization we are interested in cases in which the context is inline and the context + // update doesn't change format. All non-inline or format changing scenarios require accessing + // interner and can fall back to `Span::new`. + #[inline] + pub fn update_ctxt(&mut self, update: impl FnOnce(SyntaxContext) -> SyntaxContext) { + let (updated_ctxt32, data); + if self.len_with_tag_or_marker != BASE_LEN_INTERNED_MARKER { + if self.len_with_tag_or_marker & PARENT_TAG == 0 { + // Inline-context format. + updated_ctxt32 = + update(SyntaxContext::from_u32(self.ctxt_or_parent_or_marker as u32)).as_u32(); + // Any small new context including zero will preserve the format. + if updated_ctxt32 <= MAX_CTXT { + self.ctxt_or_parent_or_marker = updated_ctxt32 as u16; + return; + } + data = self.data_inline_ctxt(); + } else { + // Inline-parent format. + updated_ctxt32 = update(SyntaxContext::root()).as_u32(); + // Only if the new context is zero the format will be preserved. + if updated_ctxt32 == 0 { + // Do nothing. + return; + } + data = self.data_inline_parent(); + } + } else if self.ctxt_or_parent_or_marker != CTXT_INTERNED_MARKER { + // Partially-interned format. + updated_ctxt32 = + update(SyntaxContext::from_u32(self.ctxt_or_parent_or_marker as u32)).as_u32(); + // Any small new context excluding zero will preserve the format. + // Zero may change the format to `InlineParent` if parent and len are small enough. + if updated_ctxt32 <= MAX_CTXT && updated_ctxt32 != 0 { + self.ctxt_or_parent_or_marker = updated_ctxt32 as u16; + return; + } + data = self.data_partially_interned(); + } else { + // Interned format. + data = self.data_interned(); + updated_ctxt32 = update(data.ctxt).as_u32(); + } + + // We could not keep the span in the same inline format, fall back to the complete logic. + *self = data.with_ctxt(SyntaxContext::from_u32(updated_ctxt32)); + } + // Returns either syntactic context, if it can be retrieved without taking the interner lock, // or an index into the interner if it cannot. #[inline] fn inline_ctxt(self) -> Result { - Ok(if self.len_with_tag_or_marker != BASE_LEN_INTERNED_MARKER { + if self.len_with_tag_or_marker != BASE_LEN_INTERNED_MARKER { if self.len_with_tag_or_marker & PARENT_TAG == 0 { // Inline-context format. - SyntaxContext::from_u32(self.ctxt_or_parent_or_marker as u32) + Ok(SyntaxContext::from_u32(self.ctxt_or_parent_or_marker as u32)) } else { - // Inline-parent format. We know that the SyntaxContext is root. - SyntaxContext::root() + // Inline-parent format. + Ok(SyntaxContext::root()) } } else if self.ctxt_or_parent_or_marker != CTXT_INTERNED_MARKER { - // Partially-interned format. This path avoids looking up the - // interned value, and is the whole point of the - // partially-interned format. - SyntaxContext::from_u32(self.ctxt_or_parent_or_marker as u32) + // Partially-interned format. + Ok(SyntaxContext::from_u32(self.ctxt_or_parent_or_marker as u32)) } else { - // Fully-interned format. - return Err(self.lo_or_index as usize); - }) + // Interned format. + Err(self.lo_or_index as usize) + } } /// This function is used as a fast path when decoding the full `SpanData` is not necessary. From fe52b5439edd024b1402f4790bc8e12e0fd91d34 Mon Sep 17 00:00:00 2001 From: binarycat Date: Sun, 9 Jun 2024 20:22:46 -0400 Subject: [PATCH 1261/1716] docs(core): make more const_ptr doctests assert instead of printing fixes #124669 --- library/core/src/ptr/const_ptr.rs | 38 ++++++++++++++++++------------- 1 file changed, 22 insertions(+), 16 deletions(-) diff --git a/library/core/src/ptr/const_ptr.rs b/library/core/src/ptr/const_ptr.rs index 8c02aee8bfb4..b1f94caed351 100644 --- a/library/core/src/ptr/const_ptr.rs +++ b/library/core/src/ptr/const_ptr.rs @@ -330,7 +330,7 @@ impl *const T { /// /// unsafe { /// if let Some(val_back) = ptr.as_ref() { - /// println!("We got back the value: {val_back}!"); + /// assert_eq!(val_back, &10); /// } /// } /// ``` @@ -346,7 +346,7 @@ impl *const T { /// /// unsafe { /// let val_back = &*ptr; - /// println!("We got back the value: {val_back}!"); + /// assert_eq!(val_back, &10); /// } /// ``` #[stable(feature = "ptr_as_ref", since = "1.9.0")] @@ -393,7 +393,7 @@ impl *const T { /// let ptr: *const u8 = &10u8 as *const u8; /// /// unsafe { - /// println!("We got back the value: {}!", ptr.as_ref_unchecked()); + /// assert_eq!(ptr.as_ref_unchecked(), &10); /// } /// ``` // FIXME: mention it in the docs for `as_ref` and `as_uninit_ref` once stabilized. @@ -439,7 +439,7 @@ impl *const T { /// /// unsafe { /// if let Some(val_back) = ptr.as_uninit_ref() { - /// println!("We got back the value: {}!", val_back.assume_init()); + /// assert_eq!(val_back.assume_init(), 10); /// } /// } /// ``` @@ -501,8 +501,8 @@ impl *const T { /// let ptr: *const u8 = s.as_ptr(); /// /// unsafe { - /// println!("{}", *ptr.offset(1) as char); - /// println!("{}", *ptr.offset(2) as char); + /// assert_eq!(*ptr.offset(1) as char, '2'); + /// assert_eq!(*ptr.offset(2) as char, '3'); /// } /// ``` #[stable(feature = "rust1", since = "1.0.0")] @@ -573,19 +573,21 @@ impl *const T { /// # Examples /// /// ``` + /// # use std::fmt::Write; /// // Iterate using a raw pointer in increments of two elements /// let data = [1u8, 2, 3, 4, 5]; /// let mut ptr: *const u8 = data.as_ptr(); /// let step = 2; /// let end_rounded_up = ptr.wrapping_offset(6); /// - /// // This loop prints "1, 3, 5, " + /// let mut out = String::new(); /// while ptr != end_rounded_up { /// unsafe { - /// print!("{}, ", *ptr); + /// write!(&mut out, "{}, ", *ptr).unwrap(); /// } /// ptr = ptr.wrapping_offset(step); /// } + /// assert_eq!(out.as_str(), "1, 3, 5, "); /// ``` #[stable(feature = "ptr_wrapping_offset", since = "1.16.0")] #[must_use = "returns a new pointer rather than modifying its argument"] @@ -988,8 +990,8 @@ impl *const T { /// let ptr: *const u8 = s.as_ptr(); /// /// unsafe { - /// println!("{}", *ptr.add(1) as char); - /// println!("{}", *ptr.add(2) as char); + /// assert_eq!(*ptr.add(1), b'2'); + /// assert_eq!(*ptr.add(2), b'3'); /// } /// ``` #[stable(feature = "pointer_methods", since = "1.26.0")] @@ -1073,8 +1075,8 @@ impl *const T { /// /// unsafe { /// let end: *const u8 = s.as_ptr().add(3); - /// println!("{}", *end.sub(1) as char); - /// println!("{}", *end.sub(2) as char); + /// assert_eq!(*end.sub(1), b'3'); + /// assert_eq!(*end.sub(2), b'2'); /// } /// ``` #[stable(feature = "pointer_methods", since = "1.26.0")] @@ -1155,19 +1157,21 @@ impl *const T { /// # Examples /// /// ``` + /// # use std::fmt::Write; /// // Iterate using a raw pointer in increments of two elements /// let data = [1u8, 2, 3, 4, 5]; /// let mut ptr: *const u8 = data.as_ptr(); /// let step = 2; /// let end_rounded_up = ptr.wrapping_add(6); /// - /// // This loop prints "1, 3, 5, " + /// let mut out = String::new(); /// while ptr != end_rounded_up { /// unsafe { - /// print!("{}, ", *ptr); + /// write!(&mut out, "{}, ", *ptr).unwrap(); /// } /// ptr = ptr.wrapping_add(step); /// } + /// assert_eq!(out, "1, 3, 5, "); /// ``` #[stable(feature = "pointer_methods", since = "1.26.0")] #[must_use = "returns a new pointer rather than modifying its argument"] @@ -1234,19 +1238,21 @@ impl *const T { /// # Examples /// /// ``` + /// # use std::fmt::Write; /// // Iterate using a raw pointer in increments of two elements (backwards) /// let data = [1u8, 2, 3, 4, 5]; /// let mut ptr: *const u8 = data.as_ptr(); /// let start_rounded_down = ptr.wrapping_sub(2); /// ptr = ptr.wrapping_add(4); /// let step = 2; - /// // This loop prints "5, 3, 1, " + /// let mut out = String::new(); /// while ptr != start_rounded_down { /// unsafe { - /// print!("{}, ", *ptr); + /// write!(&mut out, "{}, ", *ptr).unwrap(); /// } /// ptr = ptr.wrapping_sub(step); /// } + /// assert_eq!(out, "5, 3, 1, "); /// ``` #[stable(feature = "pointer_methods", since = "1.26.0")] #[must_use = "returns a new pointer rather than modifying its argument"] From 63ec8dd24ff4219960435c7dfd2c510c48dcda5c Mon Sep 17 00:00:00 2001 From: Steve Lau Date: Mon, 10 Jun 2024 10:38:00 +0800 Subject: [PATCH 1262/1716] fix: build on haiku --- library/std/src/sys/pal/unix/os.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/library/std/src/sys/pal/unix/os.rs b/library/std/src/sys/pal/unix/os.rs index ae1e42c419b9..2e71ceceb58b 100644 --- a/library/std/src/sys/pal/unix/os.rs +++ b/library/std/src/sys/pal/unix/os.rs @@ -465,9 +465,9 @@ pub fn current_exe() -> io::Result { let mut name = vec![0; libc::PATH_MAX as usize]; unsafe { let result = libc::find_path( - std::ptr::null_mut(), + crate::ptr::null_mut(), libc::path_base_directory::B_FIND_PATH_IMAGE_PATH, - std::ptr::null_mut(), + crate::ptr::null_mut(), name.as_mut_ptr(), name.len(), ); From a4d0fc39bacbd9520b1ccc3eaa051bd7086ce484 Mon Sep 17 00:00:00 2001 From: Scott McMurray Date: Sun, 2 Jun 2024 19:41:00 -0700 Subject: [PATCH 1263/1716] Add `SingleUseConsts` mir-opt pass --- .../src/const_debuginfo.rs | 3 +- compiler/rustc_mir_transform/src/lib.rs | 2 + .../src/single_use_consts.rs | 195 ++++++++++++++++++ .../mir-opt/building/match/sort_candidates.rs | 6 +- ...in.DestinationPropagation.panic-abort.diff | 2 +- ...n.DestinationPropagation.panic-unwind.diff | 2 +- ...implifyComparisonIntegral.panic-abort.diff | 4 +- ...mplifyComparisonIntegral.panic-unwind.diff | 4 +- ...d_constant.main.GVN.32bit.panic-abort.diff | 32 ++- ...d_constant.main.GVN.64bit.panic-abort.diff | 32 ++- ...ated_loop.PreCodegen.after.panic-abort.mir | 102 +++++---- ...ted_loop.PreCodegen.after.panic-unwind.mir | 102 +++++---- ...ward_loop.PreCodegen.after.panic-abort.mir | 88 ++++---- ...ard_loop.PreCodegen.after.panic-unwind.mir | 88 ++++---- ...erse_loop.PreCodegen.after.panic-abort.mir | 96 +++++---- ...rse_loop.PreCodegen.after.panic-unwind.mir | 96 +++++---- ...to_return.SingleUseConsts.panic-abort.diff | 12 ++ ...o_return.SingleUseConsts.panic-unwind.diff | 12 ++ ....if_const.SingleUseConsts.panic-abort.diff | 31 +++ ...if_const.SingleUseConsts.panic-unwind.diff | 31 +++ ...nst_debug.SingleUseConsts.panic-abort.diff | 46 +++++ ...st_debug.SingleUseConsts.panic-unwind.diff | 46 +++++ ...parameter.SingleUseConsts.panic-abort.diff | 14 ++ ...arameter.SingleUseConsts.panic-unwind.diff | 14 ++ ...tch_const.SingleUseConsts.panic-abort.diff | 36 ++++ ...ch_const.SingleUseConsts.panic-unwind.diff | 36 ++++ ...nst_debug.SingleUseConsts.panic-abort.diff | 47 +++++ ...st_debug.SingleUseConsts.panic-unwind.diff | 47 +++++ ...sed_debug.SingleUseConsts.panic-abort.diff | 21 ++ ...ed_debug.SingleUseConsts.panic-unwind.diff | 21 ++ tests/mir-opt/single_use_consts.rs | 80 +++++++ 31 files changed, 1004 insertions(+), 344 deletions(-) create mode 100644 compiler/rustc_mir_transform/src/single_use_consts.rs create mode 100644 tests/mir-opt/single_use_consts.assign_const_to_return.SingleUseConsts.panic-abort.diff create mode 100644 tests/mir-opt/single_use_consts.assign_const_to_return.SingleUseConsts.panic-unwind.diff create mode 100644 tests/mir-opt/single_use_consts.if_const.SingleUseConsts.panic-abort.diff create mode 100644 tests/mir-opt/single_use_consts.if_const.SingleUseConsts.panic-unwind.diff create mode 100644 tests/mir-opt/single_use_consts.if_const_debug.SingleUseConsts.panic-abort.diff create mode 100644 tests/mir-opt/single_use_consts.if_const_debug.SingleUseConsts.panic-unwind.diff create mode 100644 tests/mir-opt/single_use_consts.keep_parameter.SingleUseConsts.panic-abort.diff create mode 100644 tests/mir-opt/single_use_consts.keep_parameter.SingleUseConsts.panic-unwind.diff create mode 100644 tests/mir-opt/single_use_consts.match_const.SingleUseConsts.panic-abort.diff create mode 100644 tests/mir-opt/single_use_consts.match_const.SingleUseConsts.panic-unwind.diff create mode 100644 tests/mir-opt/single_use_consts.match_const_debug.SingleUseConsts.panic-abort.diff create mode 100644 tests/mir-opt/single_use_consts.match_const_debug.SingleUseConsts.panic-unwind.diff create mode 100644 tests/mir-opt/single_use_consts.never_used_debug.SingleUseConsts.panic-abort.diff create mode 100644 tests/mir-opt/single_use_consts.never_used_debug.SingleUseConsts.panic-unwind.diff create mode 100644 tests/mir-opt/single_use_consts.rs diff --git a/compiler/rustc_mir_transform/src/const_debuginfo.rs b/compiler/rustc_mir_transform/src/const_debuginfo.rs index e4e4270c4995..c758325fb989 100644 --- a/compiler/rustc_mir_transform/src/const_debuginfo.rs +++ b/compiler/rustc_mir_transform/src/const_debuginfo.rs @@ -16,7 +16,8 @@ pub struct ConstDebugInfo; impl<'tcx> MirPass<'tcx> for ConstDebugInfo { fn is_enabled(&self, sess: &rustc_session::Session) -> bool { - sess.mir_opt_level() > 0 + // Disabled in favour of `SingleUseConsts` + sess.mir_opt_level() > 2 } fn run_pass(&self, _tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) { diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs index e4670633914e..23e2c1287712 100644 --- a/compiler/rustc_mir_transform/src/lib.rs +++ b/compiler/rustc_mir_transform/src/lib.rs @@ -106,6 +106,7 @@ mod check_alignment; pub mod simplify; mod simplify_branches; mod simplify_comparison_integral; +mod single_use_consts; mod sroa; mod unreachable_enum_branching; mod unreachable_prop; @@ -593,6 +594,7 @@ fn run_optimization_passes<'tcx>(tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) { &gvn::GVN, &simplify::SimplifyLocals::AfterGVN, &dataflow_const_prop::DataflowConstProp, + &single_use_consts::SingleUseConsts, &const_debuginfo::ConstDebugInfo, &o1(simplify_branches::SimplifyConstCondition::AfterConstProp), &jump_threading::JumpThreading, diff --git a/compiler/rustc_mir_transform/src/single_use_consts.rs b/compiler/rustc_mir_transform/src/single_use_consts.rs new file mode 100644 index 000000000000..864d109e3869 --- /dev/null +++ b/compiler/rustc_mir_transform/src/single_use_consts.rs @@ -0,0 +1,195 @@ +use rustc_index::{bit_set::BitSet, IndexVec}; +use rustc_middle::bug; +use rustc_middle::mir::visit::{MutVisitor, PlaceContext, Visitor}; +use rustc_middle::mir::*; +use rustc_middle::ty::TyCtxt; + +/// Various parts of MIR building introduce temporaries that are commonly not needed. +/// +/// Notably, `if CONST` and `match CONST` end up being used-once temporaries, which +/// obfuscates the structure for other passes and codegen, which would like to always +/// be able to just see the constant directly. +/// +/// At higher optimization levels fancier passes like GVN will take care of this +/// in a more general fashion, but this handles the easy cases so can run in debug. +/// +/// This only removes constants with a single-use because re-evaluating constants +/// isn't always an improvement, especially for large ones. +/// +/// It also removes *never*-used constants, since it had all the information +/// needed to do that too, including updating the debug info. +pub struct SingleUseConsts; + +impl<'tcx> MirPass<'tcx> for SingleUseConsts { + fn is_enabled(&self, sess: &rustc_session::Session) -> bool { + sess.mir_opt_level() > 0 + } + + fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) { + let mut finder = SingleUseConstsFinder { + ineligible_locals: BitSet::new_empty(body.local_decls.len()), + locations: IndexVec::new(), + }; + + finder.ineligible_locals.insert_range(..=Local::from_usize(body.arg_count)); + + finder.visit_body(body); + + for (local, locations) in finder.locations.iter_enumerated() { + if finder.ineligible_locals.contains(local) { + continue; + } + + let Some(init_loc) = locations.init_loc else { + continue; + }; + + // We're only changing an operand, not the terminator kinds or successors + let basic_blocks = body.basic_blocks.as_mut_preserves_cfg(); + let init_statement = + basic_blocks[init_loc.block].statements[init_loc.statement_index].replace_nop(); + let StatementKind::Assign(place_and_rvalue) = init_statement.kind else { + bug!("No longer an assign?"); + }; + let (place, rvalue) = *place_and_rvalue; + assert_eq!(place.as_local(), Some(local)); + let Rvalue::Use(operand) = rvalue else { bug!("No longer a use?") }; + + let mut replacer = LocalReplacer { tcx, local, operand: Some(operand) }; + + for var_debug_info in &mut body.var_debug_info { + replacer.visit_var_debug_info(var_debug_info); + } + + let Some(use_loc) = locations.use_loc else { continue }; + + let use_block = &mut basic_blocks[use_loc.block]; + if let Some(use_statement) = use_block.statements.get_mut(use_loc.statement_index) { + replacer.visit_statement(use_statement, use_loc); + } else { + replacer.visit_terminator(use_block.terminator_mut(), use_loc); + } + + if replacer.operand.is_some() { + bug!( + "operand wasn't used replacing local {local:?} with locations {locations:?} in body {body:#?}" + ); + } + } + } +} + +#[derive(Copy, Clone, Debug)] +struct LocationPair { + init_loc: Option, + use_loc: Option, +} + +impl LocationPair { + fn new() -> Self { + Self { init_loc: None, use_loc: None } + } +} + +struct SingleUseConstsFinder { + ineligible_locals: BitSet, + locations: IndexVec, +} + +impl<'tcx> Visitor<'tcx> for SingleUseConstsFinder { + fn visit_assign(&mut self, place: &Place<'tcx>, rvalue: &Rvalue<'tcx>, location: Location) { + if let Some(local) = place.as_local() + && let Rvalue::Use(operand) = rvalue + && let Operand::Constant(_) = operand + { + let locations = self.locations.ensure_contains_elem(local, LocationPair::new); + if locations.init_loc.is_some() { + self.ineligible_locals.insert(local); + } else { + locations.init_loc = Some(location); + } + } else { + self.super_assign(place, rvalue, location); + } + } + + fn visit_operand(&mut self, operand: &Operand<'tcx>, location: Location) { + if let Some(place) = operand.place() + && let Some(local) = place.as_local() + { + let locations = self.locations.ensure_contains_elem(local, LocationPair::new); + if locations.use_loc.is_some() { + self.ineligible_locals.insert(local); + } else { + locations.use_loc = Some(location); + } + } else { + self.super_operand(operand, location); + } + } + + fn visit_statement(&mut self, statement: &Statement<'tcx>, location: Location) { + match &statement.kind { + // Storage markers are irrelevant to this. + StatementKind::StorageLive(_) | StatementKind::StorageDead(_) => {} + _ => self.super_statement(statement, location), + } + } + + fn visit_var_debug_info(&mut self, var_debug_info: &VarDebugInfo<'tcx>) { + if let VarDebugInfoContents::Place(place) = &var_debug_info.value + && let Some(_local) = place.as_local() + { + // It's a simple one that we can easily update + } else { + self.super_var_debug_info(var_debug_info); + } + } + + fn visit_local(&mut self, local: Local, _context: PlaceContext, _location: Location) { + // If there's any path that gets here, rather than being understood elsewhere, + // then we'd better not do anything with this local. + self.ineligible_locals.insert(local); + } +} + +struct LocalReplacer<'tcx> { + tcx: TyCtxt<'tcx>, + local: Local, + operand: Option>, +} + +impl<'tcx> MutVisitor<'tcx> for LocalReplacer<'tcx> { + fn tcx(&self) -> TyCtxt<'tcx> { + self.tcx + } + + fn visit_operand(&mut self, operand: &mut Operand<'tcx>, _location: Location) { + if let Operand::Copy(place) | Operand::Move(place) = operand + && let Some(local) = place.as_local() + && local == self.local + { + *operand = self.operand.take().unwrap_or_else(|| { + bug!("there was a second use of the operand"); + }); + } + } + + fn visit_var_debug_info(&mut self, var_debug_info: &mut VarDebugInfo<'tcx>) { + if let VarDebugInfoContents::Place(place) = &var_debug_info.value + && let Some(local) = place.as_local() + && local == self.local + { + let const_op = self + .operand + .as_ref() + .unwrap_or_else(|| { + bug!("the operand was already stolen"); + }) + .constant() + .unwrap() + .clone(); + var_debug_info.value = VarDebugInfoContents::Const(const_op); + } + } +} diff --git a/tests/mir-opt/building/match/sort_candidates.rs b/tests/mir-opt/building/match/sort_candidates.rs index f207f0b32348..593a975a7a47 100644 --- a/tests/mir-opt/building/match/sort_candidates.rs +++ b/tests/mir-opt/building/match/sort_candidates.rs @@ -5,9 +5,9 @@ fn constant_eq(s: &str, b: bool) -> u32 { // Check that we only test "a" once // CHECK-LABEL: fn constant_eq( - // CHECK: bb0: { - // CHECK: [[a:_.*]] = const "a"; - // CHECK-NOT: {{_.*}} = const "a"; + // CHECK-NOT: const "a" + // CHECK: {{_[0-9]+}} = const "a" as &[u8] (Transmute); + // CHECK-NOT: const "a" match (s, b) { ("a", _) if true => 1, ("b", true) => 2, diff --git a/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-abort.diff b/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-abort.diff index 570ec129f06e..b596e25ddfdf 100644 --- a/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-abort.diff +++ b/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-abort.diff @@ -18,7 +18,7 @@ bb0: { StorageLive(_1); StorageLive(_2); - _2 = const 1_u32; + nop; _1 = Un { us: const 1_u32 }; StorageDead(_2); StorageLive(_3); diff --git a/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-unwind.diff b/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-unwind.diff index 570ec129f06e..b596e25ddfdf 100644 --- a/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-unwind.diff +++ b/tests/mir-opt/dest-prop/union.main.DestinationPropagation.panic-unwind.diff @@ -18,7 +18,7 @@ bb0: { StorageLive(_1); StorageLive(_2); - _2 = const 1_u32; + nop; _1 = Un { us: const 1_u32 }; StorageDead(_2); StorageLive(_3); diff --git a/tests/mir-opt/issue_76432.test.SimplifyComparisonIntegral.panic-abort.diff b/tests/mir-opt/issue_76432.test.SimplifyComparisonIntegral.panic-abort.diff index b2539f391d1a..1f88339b5861 100644 --- a/tests/mir-opt/issue_76432.test.SimplifyComparisonIntegral.panic-abort.diff +++ b/tests/mir-opt/issue_76432.test.SimplifyComparisonIntegral.panic-abort.diff @@ -29,8 +29,8 @@ _3 = &_4; _2 = move _3 as &[T] (PointerCoercion(Unsize)); StorageDead(_3); - _5 = const 3_usize; - _6 = const true; + nop; + nop; goto -> bb2; } diff --git a/tests/mir-opt/issue_76432.test.SimplifyComparisonIntegral.panic-unwind.diff b/tests/mir-opt/issue_76432.test.SimplifyComparisonIntegral.panic-unwind.diff index ff7f12c093ce..19a581ba3f09 100644 --- a/tests/mir-opt/issue_76432.test.SimplifyComparisonIntegral.panic-unwind.diff +++ b/tests/mir-opt/issue_76432.test.SimplifyComparisonIntegral.panic-unwind.diff @@ -29,8 +29,8 @@ _3 = &_4; _2 = move _3 as &[T] (PointerCoercion(Unsize)); StorageDead(_3); - _5 = const 3_usize; - _6 = const true; + nop; + nop; goto -> bb2; } diff --git a/tests/mir-opt/pre-codegen/issue_117368_print_invalid_constant.main.GVN.32bit.panic-abort.diff b/tests/mir-opt/pre-codegen/issue_117368_print_invalid_constant.main.GVN.32bit.panic-abort.diff index 17d83752fc13..465cb1a9b1f4 100644 --- a/tests/mir-opt/pre-codegen/issue_117368_print_invalid_constant.main.GVN.32bit.panic-abort.diff +++ b/tests/mir-opt/pre-codegen/issue_117368_print_invalid_constant.main.GVN.32bit.panic-abort.diff @@ -23,16 +23,15 @@ let mut _12: isize; let _13: std::alloc::AllocError; let mut _14: !; - let _15: &str; - let mut _16: &dyn std::fmt::Debug; - let mut _17: &std::alloc::AllocError; + let mut _15: &dyn std::fmt::Debug; + let mut _16: &std::alloc::AllocError; scope 7 { } scope 8 { } } scope 9 (inlined NonNull::<[u8]>::as_ptr) { - let mut _18: *const [u8]; + let mut _17: *const [u8]; } } scope 3 (inlined #[track_caller] Option::::unwrap) { @@ -87,36 +86,33 @@ StorageDead(_8); StorageDead(_7); StorageLive(_12); - StorageLive(_15); _12 = discriminant(_6); switchInt(move _12) -> [0: bb6, 1: bb5, otherwise: bb1]; } bb5: { - _15 = const "called `Result::unwrap()` on an `Err` value"; + StorageLive(_15); StorageLive(_16); - StorageLive(_17); - _17 = &_13; - _16 = move _17 as &dyn std::fmt::Debug (PointerCoercion(Unsize)); - StorageDead(_17); - _14 = result::unwrap_failed(move _15, move _16) -> unwind unreachable; + _16 = &_13; + _15 = move _16 as &dyn std::fmt::Debug (PointerCoercion(Unsize)); + StorageDead(_16); + _14 = result::unwrap_failed(const "called `Result::unwrap()` on an `Err` value", move _15) -> unwind unreachable; } bb6: { _5 = move ((_6 as Ok).0: std::ptr::NonNull<[u8]>); - StorageDead(_15); StorageDead(_12); StorageDead(_6); -- StorageLive(_18); +- StorageLive(_17); + nop; - _18 = (_5.0: *const [u8]); -- _4 = move _18 as *mut [u8] (PtrToPtr); -- StorageDead(_18); -+ _4 = _18 as *mut [u8] (PtrToPtr); + _17 = (_5.0: *const [u8]); +- _4 = move _17 as *mut [u8] (PtrToPtr); +- StorageDead(_17); ++ _4 = _17 as *mut [u8] (PtrToPtr); + nop; StorageDead(_5); - _3 = move _4 as *mut u8 (PtrToPtr); -+ _3 = _18 as *mut u8 (PtrToPtr); ++ _3 = _17 as *mut u8 (PtrToPtr); StorageDead(_4); StorageDead(_3); - StorageDead(_1); diff --git a/tests/mir-opt/pre-codegen/issue_117368_print_invalid_constant.main.GVN.64bit.panic-abort.diff b/tests/mir-opt/pre-codegen/issue_117368_print_invalid_constant.main.GVN.64bit.panic-abort.diff index 1cf950402c36..925d8997b8a5 100644 --- a/tests/mir-opt/pre-codegen/issue_117368_print_invalid_constant.main.GVN.64bit.panic-abort.diff +++ b/tests/mir-opt/pre-codegen/issue_117368_print_invalid_constant.main.GVN.64bit.panic-abort.diff @@ -23,16 +23,15 @@ let mut _12: isize; let _13: std::alloc::AllocError; let mut _14: !; - let _15: &str; - let mut _16: &dyn std::fmt::Debug; - let mut _17: &std::alloc::AllocError; + let mut _15: &dyn std::fmt::Debug; + let mut _16: &std::alloc::AllocError; scope 7 { } scope 8 { } } scope 9 (inlined NonNull::<[u8]>::as_ptr) { - let mut _18: *const [u8]; + let mut _17: *const [u8]; } } scope 3 (inlined #[track_caller] Option::::unwrap) { @@ -87,36 +86,33 @@ StorageDead(_8); StorageDead(_7); StorageLive(_12); - StorageLive(_15); _12 = discriminant(_6); switchInt(move _12) -> [0: bb6, 1: bb5, otherwise: bb1]; } bb5: { - _15 = const "called `Result::unwrap()` on an `Err` value"; + StorageLive(_15); StorageLive(_16); - StorageLive(_17); - _17 = &_13; - _16 = move _17 as &dyn std::fmt::Debug (PointerCoercion(Unsize)); - StorageDead(_17); - _14 = result::unwrap_failed(move _15, move _16) -> unwind unreachable; + _16 = &_13; + _15 = move _16 as &dyn std::fmt::Debug (PointerCoercion(Unsize)); + StorageDead(_16); + _14 = result::unwrap_failed(const "called `Result::unwrap()` on an `Err` value", move _15) -> unwind unreachable; } bb6: { _5 = move ((_6 as Ok).0: std::ptr::NonNull<[u8]>); - StorageDead(_15); StorageDead(_12); StorageDead(_6); -- StorageLive(_18); +- StorageLive(_17); + nop; - _18 = (_5.0: *const [u8]); -- _4 = move _18 as *mut [u8] (PtrToPtr); -- StorageDead(_18); -+ _4 = _18 as *mut [u8] (PtrToPtr); + _17 = (_5.0: *const [u8]); +- _4 = move _17 as *mut [u8] (PtrToPtr); +- StorageDead(_17); ++ _4 = _17 as *mut [u8] (PtrToPtr); + nop; StorageDead(_5); - _3 = move _4 as *mut u8 (PtrToPtr); -+ _3 = _18 as *mut u8 (PtrToPtr); ++ _3 = _17 as *mut u8 (PtrToPtr); StorageDead(_4); StorageDead(_3); - StorageDead(_1); diff --git a/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-abort.mir index d979c5ec1d5a..8f41fb70925f 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-abort.mir @@ -4,35 +4,34 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { debug slice => _1; debug f => _2; let mut _0: (); - let mut _12: std::slice::Iter<'_, T>; + let mut _11: std::slice::Iter<'_, T>; + let mut _12: std::iter::Enumerate>; let mut _13: std::iter::Enumerate>; - let mut _14: std::iter::Enumerate>; - let mut _15: &mut std::iter::Enumerate>; - let mut _16: std::option::Option<(usize, &T)>; - let mut _17: isize; - let mut _20: &impl Fn(usize, &T); - let mut _21: (usize, &T); - let _22: (); + let mut _14: &mut std::iter::Enumerate>; + let mut _15: std::option::Option<(usize, &T)>; + let mut _16: isize; + let mut _19: &impl Fn(usize, &T); + let mut _20: (usize, &T); + let _21: (); scope 1 { - debug iter => _14; - let _18: usize; - let _19: &T; + debug iter => _13; + let _17: usize; + let _18: &T; scope 2 { - debug i => _18; - debug x => _19; + debug i => _17; + debug x => _18; } } scope 3 (inlined core::slice::::iter) { scope 4 (inlined std::slice::Iter::<'_, T>::new) { let _3: usize; - let mut _7: bool; + let mut _7: *mut T; let mut _8: *mut T; - let mut _9: *mut T; - let mut _11: *const T; + let mut _10: *const T; scope 5 { let _6: std::ptr::NonNull; scope 6 { - let _10: *const T; + let _9: *const T; scope 7 { } scope 11 (inlined without_provenance::) { @@ -61,7 +60,7 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { } bb0: { - StorageLive(_12); + StorageLive(_11); StorageLive(_3); StorageLive(_6); StorageLive(_4); @@ -70,62 +69,59 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { _4 = &raw const (*_1); _5 = _4 as *const T (PtrToPtr); _6 = NonNull:: { pointer: _5 }; - StorageLive(_10); - StorageLive(_7); - _7 = const ::IS_ZST; - switchInt(move _7) -> [0: bb1, otherwise: bb2]; + StorageLive(_9); + switchInt(const ::IS_ZST) -> [0: bb1, otherwise: bb2]; } bb1: { - StorageLive(_9); StorageLive(_8); - _8 = _4 as *mut T (PtrToPtr); - _9 = Offset(_8, _3); + StorageLive(_7); + _7 = _4 as *mut T (PtrToPtr); + _8 = Offset(_7, _3); + StorageDead(_7); + _9 = move _8 as *const T (PointerCoercion(MutToConstPointer)); StorageDead(_8); - _10 = move _9 as *const T (PointerCoercion(MutToConstPointer)); - StorageDead(_9); goto -> bb3; } bb2: { - _10 = _3 as *const T (Transmute); + _9 = _3 as *const T (Transmute); goto -> bb3; } bb3: { - StorageDead(_7); - StorageLive(_11); - _11 = _10; - _12 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _11, _marker: const ZeroSized: PhantomData<&T> }; - StorageDead(_11); + StorageLive(_10); + _10 = _9; + _11 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _10, _marker: const ZeroSized: PhantomData<&T> }; StorageDead(_10); + StorageDead(_9); StorageDead(_5); StorageDead(_4); StorageDead(_6); StorageDead(_3); - _13 = Enumerate::> { iter: _12, count: const 0_usize }; - StorageDead(_12); - StorageLive(_14); - _14 = _13; + _12 = Enumerate::> { iter: _11, count: const 0_usize }; + StorageDead(_11); + StorageLive(_13); + _13 = _12; goto -> bb4; } bb4: { - StorageLive(_16); StorageLive(_15); - _15 = &mut _14; - _16 = > as Iterator>::next(move _15) -> [return: bb5, unwind unreachable]; + StorageLive(_14); + _14 = &mut _13; + _15 = > as Iterator>::next(move _14) -> [return: bb5, unwind unreachable]; } bb5: { - StorageDead(_15); - _17 = discriminant(_16); - switchInt(move _17) -> [0: bb6, 1: bb8, otherwise: bb10]; + StorageDead(_14); + _16 = discriminant(_15); + switchInt(move _16) -> [0: bb6, 1: bb8, otherwise: bb10]; } bb6: { - StorageDead(_16); - StorageDead(_14); + StorageDead(_15); + StorageDead(_13); drop(_2) -> [return: bb7, unwind unreachable]; } @@ -134,19 +130,19 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { } bb8: { - _18 = (((_16 as Some).0: (usize, &T)).0: usize); - _19 = (((_16 as Some).0: (usize, &T)).1: &T); + _17 = (((_15 as Some).0: (usize, &T)).0: usize); + _18 = (((_15 as Some).0: (usize, &T)).1: &T); + StorageLive(_19); + _19 = &_2; StorageLive(_20); - _20 = &_2; - StorageLive(_21); - _21 = (_18, _19); - _22 = >::call(move _20, move _21) -> [return: bb9, unwind unreachable]; + _20 = (_17, _18); + _21 = >::call(move _19, move _20) -> [return: bb9, unwind unreachable]; } bb9: { - StorageDead(_21); StorageDead(_20); - StorageDead(_16); + StorageDead(_19); + StorageDead(_15); goto -> bb4; } diff --git a/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir index 8491c49f7673..17cf305468e8 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir @@ -4,35 +4,34 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { debug slice => _1; debug f => _2; let mut _0: (); - let mut _12: std::slice::Iter<'_, T>; + let mut _11: std::slice::Iter<'_, T>; + let mut _12: std::iter::Enumerate>; let mut _13: std::iter::Enumerate>; - let mut _14: std::iter::Enumerate>; - let mut _15: &mut std::iter::Enumerate>; - let mut _16: std::option::Option<(usize, &T)>; - let mut _17: isize; - let mut _20: &impl Fn(usize, &T); - let mut _21: (usize, &T); - let _22: (); + let mut _14: &mut std::iter::Enumerate>; + let mut _15: std::option::Option<(usize, &T)>; + let mut _16: isize; + let mut _19: &impl Fn(usize, &T); + let mut _20: (usize, &T); + let _21: (); scope 1 { - debug iter => _14; - let _18: usize; - let _19: &T; + debug iter => _13; + let _17: usize; + let _18: &T; scope 2 { - debug i => _18; - debug x => _19; + debug i => _17; + debug x => _18; } } scope 3 (inlined core::slice::::iter) { scope 4 (inlined std::slice::Iter::<'_, T>::new) { let _3: usize; - let mut _7: bool; + let mut _7: *mut T; let mut _8: *mut T; - let mut _9: *mut T; - let mut _11: *const T; + let mut _10: *const T; scope 5 { let _6: std::ptr::NonNull; scope 6 { - let _10: *const T; + let _9: *const T; scope 7 { } scope 11 (inlined without_provenance::) { @@ -61,7 +60,7 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { } bb0: { - StorageLive(_12); + StorageLive(_11); StorageLive(_3); StorageLive(_6); StorageLive(_4); @@ -70,62 +69,59 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { _4 = &raw const (*_1); _5 = _4 as *const T (PtrToPtr); _6 = NonNull:: { pointer: _5 }; - StorageLive(_10); - StorageLive(_7); - _7 = const ::IS_ZST; - switchInt(move _7) -> [0: bb1, otherwise: bb2]; + StorageLive(_9); + switchInt(const ::IS_ZST) -> [0: bb1, otherwise: bb2]; } bb1: { - StorageLive(_9); StorageLive(_8); - _8 = _4 as *mut T (PtrToPtr); - _9 = Offset(_8, _3); + StorageLive(_7); + _7 = _4 as *mut T (PtrToPtr); + _8 = Offset(_7, _3); + StorageDead(_7); + _9 = move _8 as *const T (PointerCoercion(MutToConstPointer)); StorageDead(_8); - _10 = move _9 as *const T (PointerCoercion(MutToConstPointer)); - StorageDead(_9); goto -> bb3; } bb2: { - _10 = _3 as *const T (Transmute); + _9 = _3 as *const T (Transmute); goto -> bb3; } bb3: { - StorageDead(_7); - StorageLive(_11); - _11 = _10; - _12 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _11, _marker: const ZeroSized: PhantomData<&T> }; - StorageDead(_11); + StorageLive(_10); + _10 = _9; + _11 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _10, _marker: const ZeroSized: PhantomData<&T> }; StorageDead(_10); + StorageDead(_9); StorageDead(_5); StorageDead(_4); StorageDead(_6); StorageDead(_3); - _13 = Enumerate::> { iter: _12, count: const 0_usize }; - StorageDead(_12); - StorageLive(_14); - _14 = _13; + _12 = Enumerate::> { iter: _11, count: const 0_usize }; + StorageDead(_11); + StorageLive(_13); + _13 = _12; goto -> bb4; } bb4: { - StorageLive(_16); StorageLive(_15); - _15 = &mut _14; - _16 = > as Iterator>::next(move _15) -> [return: bb5, unwind: bb11]; + StorageLive(_14); + _14 = &mut _13; + _15 = > as Iterator>::next(move _14) -> [return: bb5, unwind: bb11]; } bb5: { - StorageDead(_15); - _17 = discriminant(_16); - switchInt(move _17) -> [0: bb6, 1: bb8, otherwise: bb10]; + StorageDead(_14); + _16 = discriminant(_15); + switchInt(move _16) -> [0: bb6, 1: bb8, otherwise: bb10]; } bb6: { - StorageDead(_16); - StorageDead(_14); + StorageDead(_15); + StorageDead(_13); drop(_2) -> [return: bb7, unwind continue]; } @@ -134,19 +130,19 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { } bb8: { - _18 = (((_16 as Some).0: (usize, &T)).0: usize); - _19 = (((_16 as Some).0: (usize, &T)).1: &T); + _17 = (((_15 as Some).0: (usize, &T)).0: usize); + _18 = (((_15 as Some).0: (usize, &T)).1: &T); + StorageLive(_19); + _19 = &_2; StorageLive(_20); - _20 = &_2; - StorageLive(_21); - _21 = (_18, _19); - _22 = >::call(move _20, move _21) -> [return: bb9, unwind: bb11]; + _20 = (_17, _18); + _21 = >::call(move _19, move _20) -> [return: bb9, unwind: bb11]; } bb9: { - StorageDead(_21); StorageDead(_20); - StorageDead(_16); + StorageDead(_19); + StorageDead(_15); goto -> bb4; } diff --git a/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-abort.mir index 67dd0c85ea1d..3c1bbdc87424 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-abort.mir @@ -4,32 +4,31 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () { debug slice => _1; debug f => _2; let mut _0: (); + let mut _11: std::slice::Iter<'_, T>; let mut _12: std::slice::Iter<'_, T>; - let mut _13: std::slice::Iter<'_, T>; - let mut _14: &mut std::slice::Iter<'_, T>; - let mut _15: std::option::Option<&T>; - let mut _16: isize; - let mut _18: &impl Fn(&T); - let mut _19: (&T,); - let _20: (); + let mut _13: &mut std::slice::Iter<'_, T>; + let mut _14: std::option::Option<&T>; + let mut _15: isize; + let mut _17: &impl Fn(&T); + let mut _18: (&T,); + let _19: (); scope 1 { - debug iter => _13; - let _17: &T; + debug iter => _12; + let _16: &T; scope 2 { - debug x => _17; + debug x => _16; } } scope 3 (inlined core::slice::::iter) { scope 4 (inlined std::slice::Iter::<'_, T>::new) { let _3: usize; - let mut _7: bool; + let mut _7: *mut T; let mut _8: *mut T; - let mut _9: *mut T; - let mut _11: *const T; + let mut _10: *const T; scope 5 { let _6: std::ptr::NonNull; scope 6 { - let _10: *const T; + let _9: *const T; scope 7 { } scope 11 (inlined without_provenance::) { @@ -62,60 +61,57 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () { _4 = &raw const (*_1); _5 = _4 as *const T (PtrToPtr); _6 = NonNull:: { pointer: _5 }; - StorageLive(_10); - StorageLive(_7); - _7 = const ::IS_ZST; - switchInt(move _7) -> [0: bb1, otherwise: bb2]; + StorageLive(_9); + switchInt(const ::IS_ZST) -> [0: bb1, otherwise: bb2]; } bb1: { - StorageLive(_9); StorageLive(_8); - _8 = _4 as *mut T (PtrToPtr); - _9 = Offset(_8, _3); + StorageLive(_7); + _7 = _4 as *mut T (PtrToPtr); + _8 = Offset(_7, _3); + StorageDead(_7); + _9 = move _8 as *const T (PointerCoercion(MutToConstPointer)); StorageDead(_8); - _10 = move _9 as *const T (PointerCoercion(MutToConstPointer)); - StorageDead(_9); goto -> bb3; } bb2: { - _10 = _3 as *const T (Transmute); + _9 = _3 as *const T (Transmute); goto -> bb3; } bb3: { - StorageDead(_7); - StorageLive(_11); - _11 = _10; - _12 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _11, _marker: const ZeroSized: PhantomData<&T> }; - StorageDead(_11); + StorageLive(_10); + _10 = _9; + _11 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _10, _marker: const ZeroSized: PhantomData<&T> }; StorageDead(_10); + StorageDead(_9); StorageDead(_5); StorageDead(_4); StorageDead(_6); StorageDead(_3); - StorageLive(_13); - _13 = _12; + StorageLive(_12); + _12 = _11; goto -> bb4; } bb4: { - StorageLive(_15); StorageLive(_14); - _14 = &mut _13; - _15 = as Iterator>::next(move _14) -> [return: bb5, unwind unreachable]; + StorageLive(_13); + _13 = &mut _12; + _14 = as Iterator>::next(move _13) -> [return: bb5, unwind unreachable]; } bb5: { - StorageDead(_14); - _16 = discriminant(_15); - switchInt(move _16) -> [0: bb6, 1: bb8, otherwise: bb10]; + StorageDead(_13); + _15 = discriminant(_14); + switchInt(move _15) -> [0: bb6, 1: bb8, otherwise: bb10]; } bb6: { - StorageDead(_15); - StorageDead(_13); + StorageDead(_14); + StorageDead(_12); drop(_2) -> [return: bb7, unwind unreachable]; } @@ -124,18 +120,18 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () { } bb8: { - _17 = ((_15 as Some).0: &T); + _16 = ((_14 as Some).0: &T); + StorageLive(_17); + _17 = &_2; StorageLive(_18); - _18 = &_2; - StorageLive(_19); - _19 = (_17,); - _20 = >::call(move _18, move _19) -> [return: bb9, unwind unreachable]; + _18 = (_16,); + _19 = >::call(move _17, move _18) -> [return: bb9, unwind unreachable]; } bb9: { - StorageDead(_19); StorageDead(_18); - StorageDead(_15); + StorageDead(_17); + StorageDead(_14); goto -> bb4; } diff --git a/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-unwind.mir index 7c41e9e1f1b7..b2ec1ea7b9f2 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-unwind.mir @@ -4,32 +4,31 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () { debug slice => _1; debug f => _2; let mut _0: (); + let mut _11: std::slice::Iter<'_, T>; let mut _12: std::slice::Iter<'_, T>; - let mut _13: std::slice::Iter<'_, T>; - let mut _14: &mut std::slice::Iter<'_, T>; - let mut _15: std::option::Option<&T>; - let mut _16: isize; - let mut _18: &impl Fn(&T); - let mut _19: (&T,); - let _20: (); + let mut _13: &mut std::slice::Iter<'_, T>; + let mut _14: std::option::Option<&T>; + let mut _15: isize; + let mut _17: &impl Fn(&T); + let mut _18: (&T,); + let _19: (); scope 1 { - debug iter => _13; - let _17: &T; + debug iter => _12; + let _16: &T; scope 2 { - debug x => _17; + debug x => _16; } } scope 3 (inlined core::slice::::iter) { scope 4 (inlined std::slice::Iter::<'_, T>::new) { let _3: usize; - let mut _7: bool; + let mut _7: *mut T; let mut _8: *mut T; - let mut _9: *mut T; - let mut _11: *const T; + let mut _10: *const T; scope 5 { let _6: std::ptr::NonNull; scope 6 { - let _10: *const T; + let _9: *const T; scope 7 { } scope 11 (inlined without_provenance::) { @@ -62,60 +61,57 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () { _4 = &raw const (*_1); _5 = _4 as *const T (PtrToPtr); _6 = NonNull:: { pointer: _5 }; - StorageLive(_10); - StorageLive(_7); - _7 = const ::IS_ZST; - switchInt(move _7) -> [0: bb1, otherwise: bb2]; + StorageLive(_9); + switchInt(const ::IS_ZST) -> [0: bb1, otherwise: bb2]; } bb1: { - StorageLive(_9); StorageLive(_8); - _8 = _4 as *mut T (PtrToPtr); - _9 = Offset(_8, _3); + StorageLive(_7); + _7 = _4 as *mut T (PtrToPtr); + _8 = Offset(_7, _3); + StorageDead(_7); + _9 = move _8 as *const T (PointerCoercion(MutToConstPointer)); StorageDead(_8); - _10 = move _9 as *const T (PointerCoercion(MutToConstPointer)); - StorageDead(_9); goto -> bb3; } bb2: { - _10 = _3 as *const T (Transmute); + _9 = _3 as *const T (Transmute); goto -> bb3; } bb3: { - StorageDead(_7); - StorageLive(_11); - _11 = _10; - _12 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _11, _marker: const ZeroSized: PhantomData<&T> }; - StorageDead(_11); + StorageLive(_10); + _10 = _9; + _11 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _10, _marker: const ZeroSized: PhantomData<&T> }; StorageDead(_10); + StorageDead(_9); StorageDead(_5); StorageDead(_4); StorageDead(_6); StorageDead(_3); - StorageLive(_13); - _13 = _12; + StorageLive(_12); + _12 = _11; goto -> bb4; } bb4: { - StorageLive(_15); StorageLive(_14); - _14 = &mut _13; - _15 = as Iterator>::next(move _14) -> [return: bb5, unwind: bb11]; + StorageLive(_13); + _13 = &mut _12; + _14 = as Iterator>::next(move _13) -> [return: bb5, unwind: bb11]; } bb5: { - StorageDead(_14); - _16 = discriminant(_15); - switchInt(move _16) -> [0: bb6, 1: bb8, otherwise: bb10]; + StorageDead(_13); + _15 = discriminant(_14); + switchInt(move _15) -> [0: bb6, 1: bb8, otherwise: bb10]; } bb6: { - StorageDead(_15); - StorageDead(_13); + StorageDead(_14); + StorageDead(_12); drop(_2) -> [return: bb7, unwind continue]; } @@ -124,18 +120,18 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () { } bb8: { - _17 = ((_15 as Some).0: &T); + _16 = ((_14 as Some).0: &T); + StorageLive(_17); + _17 = &_2; StorageLive(_18); - _18 = &_2; - StorageLive(_19); - _19 = (_17,); - _20 = >::call(move _18, move _19) -> [return: bb9, unwind: bb11]; + _18 = (_16,); + _19 = >::call(move _17, move _18) -> [return: bb9, unwind: bb11]; } bb9: { - StorageDead(_19); StorageDead(_18); - StorageDead(_15); + StorageDead(_17); + StorageDead(_14); goto -> bb4; } diff --git a/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-abort.mir index ffeef1e04a15..bf982f076de7 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-abort.mir @@ -4,35 +4,34 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () { debug slice => _1; debug f => _2; let mut _0: (); - let mut _12: std::slice::Iter<'_, T>; + let mut _11: std::slice::Iter<'_, T>; + let mut _12: std::iter::Rev>; let mut _13: std::iter::Rev>; - let mut _14: std::iter::Rev>; - let mut _16: std::option::Option<&T>; - let mut _17: isize; - let mut _19: &impl Fn(&T); - let mut _20: (&T,); - let _21: (); + let mut _15: std::option::Option<&T>; + let mut _16: isize; + let mut _18: &impl Fn(&T); + let mut _19: (&T,); + let _20: (); scope 1 { - debug iter => _14; - let _18: &T; + debug iter => _13; + let _17: &T; scope 2 { - debug x => _18; + debug x => _17; } scope 17 (inlined > as Iterator>::next) { - let mut _15: &mut std::slice::Iter<'_, T>; + let mut _14: &mut std::slice::Iter<'_, T>; } } scope 3 (inlined core::slice::::iter) { scope 4 (inlined std::slice::Iter::<'_, T>::new) { let _3: usize; - let mut _7: bool; + let mut _7: *mut T; let mut _8: *mut T; - let mut _9: *mut T; - let mut _11: *const T; + let mut _10: *const T; scope 5 { let _6: std::ptr::NonNull; scope 6 { - let _10: *const T; + let _9: *const T; scope 7 { } scope 11 (inlined without_provenance::) { @@ -61,7 +60,7 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () { } bb0: { - StorageLive(_12); + StorageLive(_11); StorageLive(_3); StorageLive(_6); StorageLive(_4); @@ -70,62 +69,59 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () { _4 = &raw const (*_1); _5 = _4 as *const T (PtrToPtr); _6 = NonNull:: { pointer: _5 }; - StorageLive(_10); - StorageLive(_7); - _7 = const ::IS_ZST; - switchInt(move _7) -> [0: bb1, otherwise: bb2]; + StorageLive(_9); + switchInt(const ::IS_ZST) -> [0: bb1, otherwise: bb2]; } bb1: { - StorageLive(_9); StorageLive(_8); - _8 = _4 as *mut T (PtrToPtr); - _9 = Offset(_8, _3); + StorageLive(_7); + _7 = _4 as *mut T (PtrToPtr); + _8 = Offset(_7, _3); + StorageDead(_7); + _9 = move _8 as *const T (PointerCoercion(MutToConstPointer)); StorageDead(_8); - _10 = move _9 as *const T (PointerCoercion(MutToConstPointer)); - StorageDead(_9); goto -> bb3; } bb2: { - _10 = _3 as *const T (Transmute); + _9 = _3 as *const T (Transmute); goto -> bb3; } bb3: { - StorageDead(_7); - StorageLive(_11); - _11 = _10; - _12 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _11, _marker: const ZeroSized: PhantomData<&T> }; - StorageDead(_11); + StorageLive(_10); + _10 = _9; + _11 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _10, _marker: const ZeroSized: PhantomData<&T> }; StorageDead(_10); + StorageDead(_9); StorageDead(_5); StorageDead(_4); StorageDead(_6); StorageDead(_3); - _13 = Rev::> { iter: _12 }; - StorageDead(_12); - StorageLive(_14); - _14 = _13; + _12 = Rev::> { iter: _11 }; + StorageDead(_11); + StorageLive(_13); + _13 = _12; goto -> bb4; } bb4: { - StorageLive(_16); StorageLive(_15); - _15 = &mut (_14.0: std::slice::Iter<'_, T>); - _16 = as DoubleEndedIterator>::next_back(move _15) -> [return: bb5, unwind unreachable]; + StorageLive(_14); + _14 = &mut (_13.0: std::slice::Iter<'_, T>); + _15 = as DoubleEndedIterator>::next_back(move _14) -> [return: bb5, unwind unreachable]; } bb5: { - StorageDead(_15); - _17 = discriminant(_16); - switchInt(move _17) -> [0: bb6, 1: bb8, otherwise: bb10]; + StorageDead(_14); + _16 = discriminant(_15); + switchInt(move _16) -> [0: bb6, 1: bb8, otherwise: bb10]; } bb6: { - StorageDead(_16); - StorageDead(_14); + StorageDead(_15); + StorageDead(_13); drop(_2) -> [return: bb7, unwind unreachable]; } @@ -134,18 +130,18 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () { } bb8: { - _18 = ((_16 as Some).0: &T); + _17 = ((_15 as Some).0: &T); + StorageLive(_18); + _18 = &_2; StorageLive(_19); - _19 = &_2; - StorageLive(_20); - _20 = (_18,); - _21 = >::call(move _19, move _20) -> [return: bb9, unwind unreachable]; + _19 = (_17,); + _20 = >::call(move _18, move _19) -> [return: bb9, unwind unreachable]; } bb9: { - StorageDead(_20); StorageDead(_19); - StorageDead(_16); + StorageDead(_18); + StorageDead(_15); goto -> bb4; } diff --git a/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-unwind.mir index c7cd37afd866..532b81625212 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-unwind.mir @@ -4,35 +4,34 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () { debug slice => _1; debug f => _2; let mut _0: (); - let mut _12: std::slice::Iter<'_, T>; + let mut _11: std::slice::Iter<'_, T>; + let mut _12: std::iter::Rev>; let mut _13: std::iter::Rev>; - let mut _14: std::iter::Rev>; - let mut _16: std::option::Option<&T>; - let mut _17: isize; - let mut _19: &impl Fn(&T); - let mut _20: (&T,); - let _21: (); + let mut _15: std::option::Option<&T>; + let mut _16: isize; + let mut _18: &impl Fn(&T); + let mut _19: (&T,); + let _20: (); scope 1 { - debug iter => _14; - let _18: &T; + debug iter => _13; + let _17: &T; scope 2 { - debug x => _18; + debug x => _17; } scope 17 (inlined > as Iterator>::next) { - let mut _15: &mut std::slice::Iter<'_, T>; + let mut _14: &mut std::slice::Iter<'_, T>; } } scope 3 (inlined core::slice::::iter) { scope 4 (inlined std::slice::Iter::<'_, T>::new) { let _3: usize; - let mut _7: bool; + let mut _7: *mut T; let mut _8: *mut T; - let mut _9: *mut T; - let mut _11: *const T; + let mut _10: *const T; scope 5 { let _6: std::ptr::NonNull; scope 6 { - let _10: *const T; + let _9: *const T; scope 7 { } scope 11 (inlined without_provenance::) { @@ -61,7 +60,7 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () { } bb0: { - StorageLive(_12); + StorageLive(_11); StorageLive(_3); StorageLive(_6); StorageLive(_4); @@ -70,62 +69,59 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () { _4 = &raw const (*_1); _5 = _4 as *const T (PtrToPtr); _6 = NonNull:: { pointer: _5 }; - StorageLive(_10); - StorageLive(_7); - _7 = const ::IS_ZST; - switchInt(move _7) -> [0: bb1, otherwise: bb2]; + StorageLive(_9); + switchInt(const ::IS_ZST) -> [0: bb1, otherwise: bb2]; } bb1: { - StorageLive(_9); StorageLive(_8); - _8 = _4 as *mut T (PtrToPtr); - _9 = Offset(_8, _3); + StorageLive(_7); + _7 = _4 as *mut T (PtrToPtr); + _8 = Offset(_7, _3); + StorageDead(_7); + _9 = move _8 as *const T (PointerCoercion(MutToConstPointer)); StorageDead(_8); - _10 = move _9 as *const T (PointerCoercion(MutToConstPointer)); - StorageDead(_9); goto -> bb3; } bb2: { - _10 = _3 as *const T (Transmute); + _9 = _3 as *const T (Transmute); goto -> bb3; } bb3: { - StorageDead(_7); - StorageLive(_11); - _11 = _10; - _12 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _11, _marker: const ZeroSized: PhantomData<&T> }; - StorageDead(_11); + StorageLive(_10); + _10 = _9; + _11 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _10, _marker: const ZeroSized: PhantomData<&T> }; StorageDead(_10); + StorageDead(_9); StorageDead(_5); StorageDead(_4); StorageDead(_6); StorageDead(_3); - _13 = Rev::> { iter: _12 }; - StorageDead(_12); - StorageLive(_14); - _14 = _13; + _12 = Rev::> { iter: _11 }; + StorageDead(_11); + StorageLive(_13); + _13 = _12; goto -> bb4; } bb4: { - StorageLive(_16); StorageLive(_15); - _15 = &mut (_14.0: std::slice::Iter<'_, T>); - _16 = as DoubleEndedIterator>::next_back(move _15) -> [return: bb5, unwind: bb11]; + StorageLive(_14); + _14 = &mut (_13.0: std::slice::Iter<'_, T>); + _15 = as DoubleEndedIterator>::next_back(move _14) -> [return: bb5, unwind: bb11]; } bb5: { - StorageDead(_15); - _17 = discriminant(_16); - switchInt(move _17) -> [0: bb6, 1: bb8, otherwise: bb10]; + StorageDead(_14); + _16 = discriminant(_15); + switchInt(move _16) -> [0: bb6, 1: bb8, otherwise: bb10]; } bb6: { - StorageDead(_16); - StorageDead(_14); + StorageDead(_15); + StorageDead(_13); drop(_2) -> [return: bb7, unwind continue]; } @@ -134,18 +130,18 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () { } bb8: { - _18 = ((_16 as Some).0: &T); + _17 = ((_15 as Some).0: &T); + StorageLive(_18); + _18 = &_2; StorageLive(_19); - _19 = &_2; - StorageLive(_20); - _20 = (_18,); - _21 = >::call(move _19, move _20) -> [return: bb9, unwind: bb11]; + _19 = (_17,); + _20 = >::call(move _18, move _19) -> [return: bb9, unwind: bb11]; } bb9: { - StorageDead(_20); StorageDead(_19); - StorageDead(_16); + StorageDead(_18); + StorageDead(_15); goto -> bb4; } diff --git a/tests/mir-opt/single_use_consts.assign_const_to_return.SingleUseConsts.panic-abort.diff b/tests/mir-opt/single_use_consts.assign_const_to_return.SingleUseConsts.panic-abort.diff new file mode 100644 index 000000000000..8818c891e94b --- /dev/null +++ b/tests/mir-opt/single_use_consts.assign_const_to_return.SingleUseConsts.panic-abort.diff @@ -0,0 +1,12 @@ +- // MIR for `assign_const_to_return` before SingleUseConsts ++ // MIR for `assign_const_to_return` after SingleUseConsts + + fn assign_const_to_return() -> bool { + let mut _0: bool; + + bb0: { + _0 = const ::ASSOC_BOOL; + return; + } + } + diff --git a/tests/mir-opt/single_use_consts.assign_const_to_return.SingleUseConsts.panic-unwind.diff b/tests/mir-opt/single_use_consts.assign_const_to_return.SingleUseConsts.panic-unwind.diff new file mode 100644 index 000000000000..8818c891e94b --- /dev/null +++ b/tests/mir-opt/single_use_consts.assign_const_to_return.SingleUseConsts.panic-unwind.diff @@ -0,0 +1,12 @@ +- // MIR for `assign_const_to_return` before SingleUseConsts ++ // MIR for `assign_const_to_return` after SingleUseConsts + + fn assign_const_to_return() -> bool { + let mut _0: bool; + + bb0: { + _0 = const ::ASSOC_BOOL; + return; + } + } + diff --git a/tests/mir-opt/single_use_consts.if_const.SingleUseConsts.panic-abort.diff b/tests/mir-opt/single_use_consts.if_const.SingleUseConsts.panic-abort.diff new file mode 100644 index 000000000000..468076e5ee3c --- /dev/null +++ b/tests/mir-opt/single_use_consts.if_const.SingleUseConsts.panic-abort.diff @@ -0,0 +1,31 @@ +- // MIR for `if_const` before SingleUseConsts ++ // MIR for `if_const` after SingleUseConsts + + fn if_const() -> i32 { + let mut _0: i32; + let mut _1: bool; + + bb0: { + StorageLive(_1); +- _1 = const ::ASSOC_BOOL; +- switchInt(move _1) -> [0: bb2, otherwise: bb1]; ++ nop; ++ switchInt(const ::ASSOC_BOOL) -> [0: bb2, otherwise: bb1]; + } + + bb1: { + _0 = const 7_i32; + goto -> bb3; + } + + bb2: { + _0 = const 42_i32; + goto -> bb3; + } + + bb3: { + StorageDead(_1); + return; + } + } + diff --git a/tests/mir-opt/single_use_consts.if_const.SingleUseConsts.panic-unwind.diff b/tests/mir-opt/single_use_consts.if_const.SingleUseConsts.panic-unwind.diff new file mode 100644 index 000000000000..468076e5ee3c --- /dev/null +++ b/tests/mir-opt/single_use_consts.if_const.SingleUseConsts.panic-unwind.diff @@ -0,0 +1,31 @@ +- // MIR for `if_const` before SingleUseConsts ++ // MIR for `if_const` after SingleUseConsts + + fn if_const() -> i32 { + let mut _0: i32; + let mut _1: bool; + + bb0: { + StorageLive(_1); +- _1 = const ::ASSOC_BOOL; +- switchInt(move _1) -> [0: bb2, otherwise: bb1]; ++ nop; ++ switchInt(const ::ASSOC_BOOL) -> [0: bb2, otherwise: bb1]; + } + + bb1: { + _0 = const 7_i32; + goto -> bb3; + } + + bb2: { + _0 = const 42_i32; + goto -> bb3; + } + + bb3: { + StorageDead(_1); + return; + } + } + diff --git a/tests/mir-opt/single_use_consts.if_const_debug.SingleUseConsts.panic-abort.diff b/tests/mir-opt/single_use_consts.if_const_debug.SingleUseConsts.panic-abort.diff new file mode 100644 index 000000000000..ad1a2b300f2a --- /dev/null +++ b/tests/mir-opt/single_use_consts.if_const_debug.SingleUseConsts.panic-abort.diff @@ -0,0 +1,46 @@ +- // MIR for `if_const_debug` before SingleUseConsts ++ // MIR for `if_const_debug` after SingleUseConsts + + fn if_const_debug() -> i32 { + let mut _0: i32; + let _1: bool; + let _2: (); + let mut _3: bool; + scope 1 { +- debug my_bool => _1; ++ debug my_bool => const ::ASSOC_BOOL; + } + + bb0: { + StorageLive(_1); +- _1 = const ::ASSOC_BOOL; ++ nop; + StorageLive(_2); + _2 = do_whatever() -> [return: bb1, unwind unreachable]; + } + + bb1: { + StorageDead(_2); + StorageLive(_3); +- _3 = _1; ++ _3 = const ::ASSOC_BOOL; + switchInt(move _3) -> [0: bb3, otherwise: bb2]; + } + + bb2: { + _0 = const 7_i32; + goto -> bb4; + } + + bb3: { + _0 = const 42_i32; + goto -> bb4; + } + + bb4: { + StorageDead(_3); + StorageDead(_1); + return; + } + } + diff --git a/tests/mir-opt/single_use_consts.if_const_debug.SingleUseConsts.panic-unwind.diff b/tests/mir-opt/single_use_consts.if_const_debug.SingleUseConsts.panic-unwind.diff new file mode 100644 index 000000000000..827a292e5d02 --- /dev/null +++ b/tests/mir-opt/single_use_consts.if_const_debug.SingleUseConsts.panic-unwind.diff @@ -0,0 +1,46 @@ +- // MIR for `if_const_debug` before SingleUseConsts ++ // MIR for `if_const_debug` after SingleUseConsts + + fn if_const_debug() -> i32 { + let mut _0: i32; + let _1: bool; + let _2: (); + let mut _3: bool; + scope 1 { +- debug my_bool => _1; ++ debug my_bool => const ::ASSOC_BOOL; + } + + bb0: { + StorageLive(_1); +- _1 = const ::ASSOC_BOOL; ++ nop; + StorageLive(_2); + _2 = do_whatever() -> [return: bb1, unwind continue]; + } + + bb1: { + StorageDead(_2); + StorageLive(_3); +- _3 = _1; ++ _3 = const ::ASSOC_BOOL; + switchInt(move _3) -> [0: bb3, otherwise: bb2]; + } + + bb2: { + _0 = const 7_i32; + goto -> bb4; + } + + bb3: { + _0 = const 42_i32; + goto -> bb4; + } + + bb4: { + StorageDead(_3); + StorageDead(_1); + return; + } + } + diff --git a/tests/mir-opt/single_use_consts.keep_parameter.SingleUseConsts.panic-abort.diff b/tests/mir-opt/single_use_consts.keep_parameter.SingleUseConsts.panic-abort.diff new file mode 100644 index 000000000000..f7d823af9e3d --- /dev/null +++ b/tests/mir-opt/single_use_consts.keep_parameter.SingleUseConsts.panic-abort.diff @@ -0,0 +1,14 @@ +- // MIR for `keep_parameter` before SingleUseConsts ++ // MIR for `keep_parameter` after SingleUseConsts + + fn keep_parameter(_1: i32) -> () { + debug other => _1; + let mut _0: (); + + bb0: { + _1 = const ::ASSOC_INT; + _0 = const (); + return; + } + } + diff --git a/tests/mir-opt/single_use_consts.keep_parameter.SingleUseConsts.panic-unwind.diff b/tests/mir-opt/single_use_consts.keep_parameter.SingleUseConsts.panic-unwind.diff new file mode 100644 index 000000000000..f7d823af9e3d --- /dev/null +++ b/tests/mir-opt/single_use_consts.keep_parameter.SingleUseConsts.panic-unwind.diff @@ -0,0 +1,14 @@ +- // MIR for `keep_parameter` before SingleUseConsts ++ // MIR for `keep_parameter` after SingleUseConsts + + fn keep_parameter(_1: i32) -> () { + debug other => _1; + let mut _0: (); + + bb0: { + _1 = const ::ASSOC_INT; + _0 = const (); + return; + } + } + diff --git a/tests/mir-opt/single_use_consts.match_const.SingleUseConsts.panic-abort.diff b/tests/mir-opt/single_use_consts.match_const.SingleUseConsts.panic-abort.diff new file mode 100644 index 000000000000..8d87438a47ae --- /dev/null +++ b/tests/mir-opt/single_use_consts.match_const.SingleUseConsts.panic-abort.diff @@ -0,0 +1,36 @@ +- // MIR for `match_const` before SingleUseConsts ++ // MIR for `match_const` after SingleUseConsts + + fn match_const() -> &str { + let mut _0: &str; + let mut _1: i32; + + bb0: { + StorageLive(_1); +- _1 = const ::ASSOC_INT; +- switchInt(_1) -> [7: bb2, 42: bb3, otherwise: bb1]; ++ nop; ++ switchInt(const ::ASSOC_INT) -> [7: bb2, 42: bb3, otherwise: bb1]; + } + + bb1: { + _0 = const "world"; + goto -> bb4; + } + + bb2: { + _0 = const "hello"; + goto -> bb4; + } + + bb3: { + _0 = const "towel"; + goto -> bb4; + } + + bb4: { + StorageDead(_1); + return; + } + } + diff --git a/tests/mir-opt/single_use_consts.match_const.SingleUseConsts.panic-unwind.diff b/tests/mir-opt/single_use_consts.match_const.SingleUseConsts.panic-unwind.diff new file mode 100644 index 000000000000..8d87438a47ae --- /dev/null +++ b/tests/mir-opt/single_use_consts.match_const.SingleUseConsts.panic-unwind.diff @@ -0,0 +1,36 @@ +- // MIR for `match_const` before SingleUseConsts ++ // MIR for `match_const` after SingleUseConsts + + fn match_const() -> &str { + let mut _0: &str; + let mut _1: i32; + + bb0: { + StorageLive(_1); +- _1 = const ::ASSOC_INT; +- switchInt(_1) -> [7: bb2, 42: bb3, otherwise: bb1]; ++ nop; ++ switchInt(const ::ASSOC_INT) -> [7: bb2, 42: bb3, otherwise: bb1]; + } + + bb1: { + _0 = const "world"; + goto -> bb4; + } + + bb2: { + _0 = const "hello"; + goto -> bb4; + } + + bb3: { + _0 = const "towel"; + goto -> bb4; + } + + bb4: { + StorageDead(_1); + return; + } + } + diff --git a/tests/mir-opt/single_use_consts.match_const_debug.SingleUseConsts.panic-abort.diff b/tests/mir-opt/single_use_consts.match_const_debug.SingleUseConsts.panic-abort.diff new file mode 100644 index 000000000000..f192f3feb96e --- /dev/null +++ b/tests/mir-opt/single_use_consts.match_const_debug.SingleUseConsts.panic-abort.diff @@ -0,0 +1,47 @@ +- // MIR for `match_const_debug` before SingleUseConsts ++ // MIR for `match_const_debug` after SingleUseConsts + + fn match_const_debug() -> &str { + let mut _0: &str; + let _1: i32; + let _2: (); + scope 1 { +- debug my_int => _1; ++ debug my_int => const ::ASSOC_INT; + } + + bb0: { + StorageLive(_1); +- _1 = const ::ASSOC_INT; ++ nop; + StorageLive(_2); + _2 = do_whatever() -> [return: bb1, unwind unreachable]; + } + + bb1: { + StorageDead(_2); +- switchInt(_1) -> [7: bb3, 42: bb4, otherwise: bb2]; ++ switchInt(const ::ASSOC_INT) -> [7: bb3, 42: bb4, otherwise: bb2]; + } + + bb2: { + _0 = const "world"; + goto -> bb5; + } + + bb3: { + _0 = const "hello"; + goto -> bb5; + } + + bb4: { + _0 = const "towel"; + goto -> bb5; + } + + bb5: { + StorageDead(_1); + return; + } + } + diff --git a/tests/mir-opt/single_use_consts.match_const_debug.SingleUseConsts.panic-unwind.diff b/tests/mir-opt/single_use_consts.match_const_debug.SingleUseConsts.panic-unwind.diff new file mode 100644 index 000000000000..261faf415f3b --- /dev/null +++ b/tests/mir-opt/single_use_consts.match_const_debug.SingleUseConsts.panic-unwind.diff @@ -0,0 +1,47 @@ +- // MIR for `match_const_debug` before SingleUseConsts ++ // MIR for `match_const_debug` after SingleUseConsts + + fn match_const_debug() -> &str { + let mut _0: &str; + let _1: i32; + let _2: (); + scope 1 { +- debug my_int => _1; ++ debug my_int => const ::ASSOC_INT; + } + + bb0: { + StorageLive(_1); +- _1 = const ::ASSOC_INT; ++ nop; + StorageLive(_2); + _2 = do_whatever() -> [return: bb1, unwind continue]; + } + + bb1: { + StorageDead(_2); +- switchInt(_1) -> [7: bb3, 42: bb4, otherwise: bb2]; ++ switchInt(const ::ASSOC_INT) -> [7: bb3, 42: bb4, otherwise: bb2]; + } + + bb2: { + _0 = const "world"; + goto -> bb5; + } + + bb3: { + _0 = const "hello"; + goto -> bb5; + } + + bb4: { + _0 = const "towel"; + goto -> bb5; + } + + bb5: { + StorageDead(_1); + return; + } + } + diff --git a/tests/mir-opt/single_use_consts.never_used_debug.SingleUseConsts.panic-abort.diff b/tests/mir-opt/single_use_consts.never_used_debug.SingleUseConsts.panic-abort.diff new file mode 100644 index 000000000000..8ef94a790a34 --- /dev/null +++ b/tests/mir-opt/single_use_consts.never_used_debug.SingleUseConsts.panic-abort.diff @@ -0,0 +1,21 @@ +- // MIR for `never_used_debug` before SingleUseConsts ++ // MIR for `never_used_debug` after SingleUseConsts + + fn never_used_debug() -> () { + let mut _0: (); + let _1: i32; + scope 1 { +- debug my_int => _1; ++ debug my_int => const ::ASSOC_INT; + } + + bb0: { + StorageLive(_1); +- _1 = const ::ASSOC_INT; ++ nop; + _0 = const (); + StorageDead(_1); + return; + } + } + diff --git a/tests/mir-opt/single_use_consts.never_used_debug.SingleUseConsts.panic-unwind.diff b/tests/mir-opt/single_use_consts.never_used_debug.SingleUseConsts.panic-unwind.diff new file mode 100644 index 000000000000..8ef94a790a34 --- /dev/null +++ b/tests/mir-opt/single_use_consts.never_used_debug.SingleUseConsts.panic-unwind.diff @@ -0,0 +1,21 @@ +- // MIR for `never_used_debug` before SingleUseConsts ++ // MIR for `never_used_debug` after SingleUseConsts + + fn never_used_debug() -> () { + let mut _0: (); + let _1: i32; + scope 1 { +- debug my_int => _1; ++ debug my_int => const ::ASSOC_INT; + } + + bb0: { + StorageLive(_1); +- _1 = const ::ASSOC_INT; ++ nop; + _0 = const (); + StorageDead(_1); + return; + } + } + diff --git a/tests/mir-opt/single_use_consts.rs b/tests/mir-opt/single_use_consts.rs new file mode 100644 index 000000000000..ecb602c647a5 --- /dev/null +++ b/tests/mir-opt/single_use_consts.rs @@ -0,0 +1,80 @@ +//@ test-mir-pass: SingleUseConsts +//@ compile-flags: -C debuginfo=full +// EMIT_MIR_FOR_EACH_PANIC_STRATEGY + +trait MyTrait { + const ASSOC_BOOL: bool; + const ASSOC_INT: i32; +} + +// EMIT_MIR single_use_consts.if_const.SingleUseConsts.diff +fn if_const() -> i32 { + // CHECK-LABEL: fn if_const( + // CHECK: switchInt(const ::ASSOC_BOOL) + if T::ASSOC_BOOL { 7 } else { 42 } +} + +// EMIT_MIR single_use_consts.match_const.SingleUseConsts.diff +fn match_const() -> &'static str { + // CHECK-LABEL: fn match_const( + // CHECK: switchInt(const ::ASSOC_INT) + match T::ASSOC_INT { + 7 => "hello", + 42 => "towel", + _ => "world", + } +} + +// EMIT_MIR single_use_consts.if_const_debug.SingleUseConsts.diff +fn if_const_debug() -> i32 { + // CHECK-LABEL: fn if_const_debug( + // CHECK: my_bool => const ::ASSOC_BOOL; + // FIXME: `if` forces a temporary (unlike `match`), so the const isn't direct + // CHECK: _3 = const ::ASSOC_BOOL; + // CHECK: switchInt(move _3) + let my_bool = T::ASSOC_BOOL; + do_whatever(); + if my_bool { 7 } else { 42 } +} + +// EMIT_MIR single_use_consts.match_const_debug.SingleUseConsts.diff +fn match_const_debug() -> &'static str { + // CHECK-LABEL: fn match_const_debug( + // CHECK: my_int => const ::ASSOC_INT; + // CHECK: switchInt(const ::ASSOC_INT) + let my_int = T::ASSOC_INT; + do_whatever(); + match my_int { + 7 => "hello", + 42 => "towel", + _ => "world", + } +} + +// EMIT_MIR single_use_consts.never_used_debug.SingleUseConsts.diff +#[allow(unused_variables)] +fn never_used_debug() { + // CHECK-LABEL: fn never_used_debug( + // CHECK: my_int => const ::ASSOC_INT; + // CHECK-NOT: ASSOC_INT + // CHECK: nop + // CHECK-NOT: ASSOC_INT + let my_int = T::ASSOC_INT; +} + +// EMIT_MIR single_use_consts.assign_const_to_return.SingleUseConsts.diff +fn assign_const_to_return() -> bool { + // CHECK-LABEL: fn assign_const_to_return( + // CHECK: _0 = const ::ASSOC_BOOL; + T::ASSOC_BOOL +} + +// EMIT_MIR single_use_consts.keep_parameter.SingleUseConsts.diff +fn keep_parameter(mut other: i32) { + // CHECK-LABEL: fn keep_parameter( + // CHECK: _1 = const ::ASSOC_INT; + // CHECK: _0 = const (); + other = T::ASSOC_INT; +} + +fn do_whatever() {} From 476f46a8e6a1778319b198dccba0579aa5a58009 Mon Sep 17 00:00:00 2001 From: Scott McMurray Date: Sun, 2 Jun 2024 20:54:15 -0700 Subject: [PATCH 1264/1716] Try keeping a bitset for which locals need debuginfo updates --- .../src/single_use_consts.rs | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-) diff --git a/compiler/rustc_mir_transform/src/single_use_consts.rs b/compiler/rustc_mir_transform/src/single_use_consts.rs index 864d109e3869..93736e55996e 100644 --- a/compiler/rustc_mir_transform/src/single_use_consts.rs +++ b/compiler/rustc_mir_transform/src/single_use_consts.rs @@ -28,7 +28,8 @@ impl<'tcx> MirPass<'tcx> for SingleUseConsts { fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) { let mut finder = SingleUseConstsFinder { ineligible_locals: BitSet::new_empty(body.local_decls.len()), - locations: IndexVec::new(), + locations: IndexVec::from_elem(LocationPair::new(), &body.local_decls), + locals_in_debug_info: BitSet::new_empty(body.local_decls.len()), }; finder.ineligible_locals.insert_range(..=Local::from_usize(body.arg_count)); @@ -57,8 +58,10 @@ impl<'tcx> MirPass<'tcx> for SingleUseConsts { let mut replacer = LocalReplacer { tcx, local, operand: Some(operand) }; - for var_debug_info in &mut body.var_debug_info { - replacer.visit_var_debug_info(var_debug_info); + if finder.locals_in_debug_info.contains(local) { + for var_debug_info in &mut body.var_debug_info { + replacer.visit_var_debug_info(var_debug_info); + } } let Some(use_loc) = locations.use_loc else { continue }; @@ -94,6 +97,7 @@ impl LocationPair { struct SingleUseConstsFinder { ineligible_locals: BitSet, locations: IndexVec, + locals_in_debug_info: BitSet, } impl<'tcx> Visitor<'tcx> for SingleUseConstsFinder { @@ -102,7 +106,7 @@ impl<'tcx> Visitor<'tcx> for SingleUseConstsFinder { && let Rvalue::Use(operand) = rvalue && let Operand::Constant(_) = operand { - let locations = self.locations.ensure_contains_elem(local, LocationPair::new); + let locations = &mut self.locations[local]; if locations.init_loc.is_some() { self.ineligible_locals.insert(local); } else { @@ -117,7 +121,7 @@ impl<'tcx> Visitor<'tcx> for SingleUseConstsFinder { if let Some(place) = operand.place() && let Some(local) = place.as_local() { - let locations = self.locations.ensure_contains_elem(local, LocationPair::new); + let locations = &mut self.locations[local]; if locations.use_loc.is_some() { self.ineligible_locals.insert(local); } else { @@ -138,9 +142,9 @@ impl<'tcx> Visitor<'tcx> for SingleUseConstsFinder { fn visit_var_debug_info(&mut self, var_debug_info: &VarDebugInfo<'tcx>) { if let VarDebugInfoContents::Place(place) = &var_debug_info.value - && let Some(_local) = place.as_local() + && let Some(local) = place.as_local() { - // It's a simple one that we can easily update + self.locals_in_debug_info.insert(local); } else { self.super_var_debug_info(var_debug_info); } From 8fbab183d7202880f87f6cc722d63cc4bbd1d140 Mon Sep 17 00:00:00 2001 From: Scott McMurray Date: Sun, 9 Jun 2024 23:47:41 -0700 Subject: [PATCH 1265/1716] Delete `ConstDebugInfo` pass --- .../src/const_debuginfo.rs | 103 ------------------ compiler/rustc_mir_transform/src/lib.rs | 2 - ...const_debuginfo.main.SingleUseConsts.diff} | 46 +++++--- tests/mir-opt/const_debuginfo.rs | 6 +- ...issue_106141.outer.Inline.panic-abort.diff | 2 +- ...ssue_106141.outer.Inline.panic-unwind.diff | 2 +- 6 files changed, 36 insertions(+), 125 deletions(-) delete mode 100644 compiler/rustc_mir_transform/src/const_debuginfo.rs rename tests/mir-opt/{const_debuginfo.main.ConstDebugInfo.diff => const_debuginfo.main.SingleUseConsts.diff} (79%) diff --git a/compiler/rustc_mir_transform/src/const_debuginfo.rs b/compiler/rustc_mir_transform/src/const_debuginfo.rs deleted file mode 100644 index c758325fb989..000000000000 --- a/compiler/rustc_mir_transform/src/const_debuginfo.rs +++ /dev/null @@ -1,103 +0,0 @@ -//! Finds locals which are assigned once to a const and unused except for debuginfo and converts -//! their debuginfo to use the const directly, allowing the local to be removed. - -use rustc_middle::{ - mir::{ - visit::{PlaceContext, Visitor}, - Body, ConstOperand, Local, Location, Operand, Rvalue, StatementKind, VarDebugInfoContents, - }, - ty::TyCtxt, -}; - -use crate::MirPass; -use rustc_index::{bit_set::BitSet, IndexVec}; - -pub struct ConstDebugInfo; - -impl<'tcx> MirPass<'tcx> for ConstDebugInfo { - fn is_enabled(&self, sess: &rustc_session::Session) -> bool { - // Disabled in favour of `SingleUseConsts` - sess.mir_opt_level() > 2 - } - - fn run_pass(&self, _tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) { - trace!("running ConstDebugInfo on {:?}", body.source); - - for (local, constant) in find_optimization_opportunities(body) { - for debuginfo in &mut body.var_debug_info { - if let VarDebugInfoContents::Place(p) = debuginfo.value { - if p.local == local && p.projection.is_empty() { - trace!( - "changing debug info for {:?} from place {:?} to constant {:?}", - debuginfo.name, - p, - constant - ); - debuginfo.value = VarDebugInfoContents::Const(constant); - } - } - } - } - } -} - -struct LocalUseVisitor { - local_mutating_uses: IndexVec, - local_assignment_locations: IndexVec>, -} - -fn find_optimization_opportunities<'tcx>(body: &Body<'tcx>) -> Vec<(Local, ConstOperand<'tcx>)> { - let mut visitor = LocalUseVisitor { - local_mutating_uses: IndexVec::from_elem(0, &body.local_decls), - local_assignment_locations: IndexVec::from_elem(None, &body.local_decls), - }; - - visitor.visit_body(body); - - let mut locals_to_debuginfo = BitSet::new_empty(body.local_decls.len()); - for debuginfo in &body.var_debug_info { - if let VarDebugInfoContents::Place(p) = debuginfo.value - && let Some(l) = p.as_local() - { - locals_to_debuginfo.insert(l); - } - } - - let mut eligible_locals = Vec::new(); - for (local, mutating_uses) in visitor.local_mutating_uses.drain_enumerated(..) { - if mutating_uses != 1 || !locals_to_debuginfo.contains(local) { - continue; - } - - if let Some(location) = visitor.local_assignment_locations[local] { - let bb = &body[location.block]; - - // The value is assigned as the result of a call, not a constant - if bb.statements.len() == location.statement_index { - continue; - } - - if let StatementKind::Assign(box (p, Rvalue::Use(Operand::Constant(box c)))) = - &bb.statements[location.statement_index].kind - { - if let Some(local) = p.as_local() { - eligible_locals.push((local, *c)); - } - } - } - } - - eligible_locals -} - -impl Visitor<'_> for LocalUseVisitor { - fn visit_local(&mut self, local: Local, context: PlaceContext, location: Location) { - if context.is_mutating_use() { - self.local_mutating_uses[local] = self.local_mutating_uses[local].saturating_add(1); - - if context.is_place_assignment() { - self.local_assignment_locations[local] = Some(location); - } - } - } -} diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs index 23e2c1287712..551760f4703d 100644 --- a/compiler/rustc_mir_transform/src/lib.rs +++ b/compiler/rustc_mir_transform/src/lib.rs @@ -55,7 +55,6 @@ mod remove_place_mention; // This pass is public to allow external drivers to perform MIR cleanup mod add_subtyping_projections; pub mod cleanup_post_borrowck; -mod const_debuginfo; mod copy_prop; mod coroutine; mod cost_checker; @@ -595,7 +594,6 @@ fn run_optimization_passes<'tcx>(tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) { &simplify::SimplifyLocals::AfterGVN, &dataflow_const_prop::DataflowConstProp, &single_use_consts::SingleUseConsts, - &const_debuginfo::ConstDebugInfo, &o1(simplify_branches::SimplifyConstCondition::AfterConstProp), &jump_threading::JumpThreading, &early_otherwise_branch::EarlyOtherwiseBranch, diff --git a/tests/mir-opt/const_debuginfo.main.ConstDebugInfo.diff b/tests/mir-opt/const_debuginfo.main.SingleUseConsts.diff similarity index 79% rename from tests/mir-opt/const_debuginfo.main.ConstDebugInfo.diff rename to tests/mir-opt/const_debuginfo.main.SingleUseConsts.diff index c1529dbee13c..ac33f51984cd 100644 --- a/tests/mir-opt/const_debuginfo.main.ConstDebugInfo.diff +++ b/tests/mir-opt/const_debuginfo.main.SingleUseConsts.diff @@ -1,5 +1,5 @@ -- // MIR for `main` before ConstDebugInfo -+ // MIR for `main` after ConstDebugInfo +- // MIR for `main` before SingleUseConsts ++ // MIR for `main` after SingleUseConsts fn main() -> () { let mut _0: (); @@ -56,39 +56,53 @@ bb0: { nop; - _1 = const 1_u8; +- _1 = const 1_u8; nop; - _2 = const 2_u8; +- _2 = const 2_u8; nop; - _3 = const 3_u8; +- _3 = const 3_u8; ++ nop; ++ nop; ++ nop; StorageLive(_4); StorageLive(_5); StorageLive(_6); - _6 = const 1_u8; +- _6 = const 1_u8; ++ nop; StorageLive(_7); - _7 = const 2_u8; - _5 = const 3_u8; +- _7 = const 2_u8; +- _5 = const 3_u8; ++ nop; ++ nop; StorageDead(_7); StorageDead(_6); StorageLive(_8); - _8 = const 3_u8; - _4 = const 6_u8; +- _8 = const 3_u8; +- _4 = const 6_u8; ++ nop; ++ nop; StorageDead(_8); StorageDead(_5); StorageLive(_9); - _9 = const "hello, world!"; +- _9 = const "hello, world!"; ++ nop; StorageLive(_10); _10 = (const true, const false, const 123_u32); StorageLive(_11); - _11 = const Option::::Some(99_u16); +- _11 = const Option::::Some(99_u16); ++ nop; StorageLive(_12); - _12 = const Point {{ x: 32_u32, y: 32_u32 }}; +- _12 = const Point {{ x: 32_u32, y: 32_u32 }}; ++ nop; StorageLive(_13); nop; - _14 = const 32_u32; +- _14 = const 32_u32; ++ nop; StorageLive(_15); - _15 = const 32_u32; - _13 = const 64_u32; +- _15 = const 32_u32; +- _13 = const 64_u32; ++ nop; ++ nop; StorageDead(_15); nop; _0 = const (); diff --git a/tests/mir-opt/const_debuginfo.rs b/tests/mir-opt/const_debuginfo.rs index b880d7e07a6e..907d7fef0674 100644 --- a/tests/mir-opt/const_debuginfo.rs +++ b/tests/mir-opt/const_debuginfo.rs @@ -1,12 +1,14 @@ -//@ test-mir-pass: ConstDebugInfo +//@ test-mir-pass: SingleUseConsts //@ compile-flags: -C overflow-checks=no -Zmir-enable-passes=+GVN +#![allow(unused)] + struct Point { x: u32, y: u32, } -// EMIT_MIR const_debuginfo.main.ConstDebugInfo.diff +// EMIT_MIR const_debuginfo.main.SingleUseConsts.diff fn main() { // CHECK-LABEL: fn main( // CHECK: debug x => const 1_u8; diff --git a/tests/mir-opt/inline/issue_106141.outer.Inline.panic-abort.diff b/tests/mir-opt/inline/issue_106141.outer.Inline.panic-abort.diff index 24e5587f9632..2ab79cc2a509 100644 --- a/tests/mir-opt/inline/issue_106141.outer.Inline.panic-abort.diff +++ b/tests/mir-opt/inline/issue_106141.outer.Inline.panic-abort.diff @@ -8,7 +8,7 @@ + let mut _2: bool; + let mut _3: bool; + scope 2 { -+ debug buffer => const inner::promoted[0]; ++ debug buffer => _1; + scope 3 { + debug index => _0; + } diff --git a/tests/mir-opt/inline/issue_106141.outer.Inline.panic-unwind.diff b/tests/mir-opt/inline/issue_106141.outer.Inline.panic-unwind.diff index 4eb8a5c98473..4d96a8628859 100644 --- a/tests/mir-opt/inline/issue_106141.outer.Inline.panic-unwind.diff +++ b/tests/mir-opt/inline/issue_106141.outer.Inline.panic-unwind.diff @@ -8,7 +8,7 @@ + let mut _2: bool; + let mut _3: bool; + scope 2 { -+ debug buffer => const inner::promoted[0]; ++ debug buffer => _1; + scope 3 { + debug index => _0; + } From f7515ae9058786a61ffa30529f30575065b73450 Mon Sep 17 00:00:00 2001 From: Renato Lochetti Date: Sun, 9 Jun 2024 10:33:00 +0100 Subject: [PATCH 1266/1716] Don't lint indexing_slicing lints on proc macros --- clippy_lints/src/indexing_slicing.rs | 6 ++-- tests/ui/indexing_slicing_index.rs | 20 ++++++++++++++ tests/ui/indexing_slicing_index.stderr | 32 +++++++++++----------- tests/ui/indexing_slicing_slice.rs | 21 ++++++++++++++ tests/ui/indexing_slicing_slice.stderr | 38 +++++++++++++------------- 5 files changed, 80 insertions(+), 37 deletions(-) diff --git a/clippy_lints/src/indexing_slicing.rs b/clippy_lints/src/indexing_slicing.rs index b13b4d145dfb..d54f2af65cde 100644 --- a/clippy_lints/src/indexing_slicing.rs +++ b/clippy_lints/src/indexing_slicing.rs @@ -2,8 +2,8 @@ use clippy_utils::consts::{constant, Constant}; use clippy_utils::diagnostics::{span_lint, span_lint_and_then}; -use clippy_utils::higher; use clippy_utils::ty::{deref_chain, get_adt_inherent_method}; +use clippy_utils::{higher, is_from_proc_macro}; use rustc_ast::ast::RangeLimits; use rustc_hir::{Expr, ExprKind}; use rustc_lint::{LateContext, LateLintPass}; @@ -102,7 +102,9 @@ impl IndexingSlicing { impl<'tcx> LateLintPass<'tcx> for IndexingSlicing { fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { - if self.suppress_restriction_lint_in_const && cx.tcx.hir().is_inside_const_context(expr.hir_id) { + if (self.suppress_restriction_lint_in_const && cx.tcx.hir().is_inside_const_context(expr.hir_id)) + || is_from_proc_macro(cx, expr) + { return; } diff --git a/tests/ui/indexing_slicing_index.rs b/tests/ui/indexing_slicing_index.rs index 2e726141649e..2af5fcc82a9b 100644 --- a/tests/ui/indexing_slicing_index.rs +++ b/tests/ui/indexing_slicing_index.rs @@ -1,4 +1,5 @@ //@compile-flags: -Zdeduplicate-diagnostics=yes +//@aux-build: proc_macros.rs #![warn(clippy::indexing_slicing)] // We also check the out_of_bounds_indexing lint here, because it lints similar things and @@ -11,6 +12,9 @@ clippy::useless_vec )] +extern crate proc_macros; +use proc_macros::with_span; + const ARR: [i32; 2] = [1, 2]; const REF: &i32 = &ARR[idx()]; // This should be linted, since `suppress-restriction-lint-in-const` default is false. //~^ ERROR: indexing may panic @@ -22,6 +26,22 @@ const fn idx4() -> usize { 4 } +with_span!( + span + + fn dont_lint_proc_macro_array() { + let x = [1, 2, 3, 4]; + let index: usize = 1; + x[index]; + x[10]; + + let x = vec![0; 5]; + let index: usize = 1; + x[index]; + x[10]; + } +); + fn main() { let x = [1, 2, 3, 4]; let index: usize = 1; diff --git a/tests/ui/indexing_slicing_index.stderr b/tests/ui/indexing_slicing_index.stderr index 386f91becf14..71677584d25b 100644 --- a/tests/ui/indexing_slicing_index.stderr +++ b/tests/ui/indexing_slicing_index.stderr @@ -1,5 +1,5 @@ error: indexing may panic - --> tests/ui/indexing_slicing_index.rs:15:20 + --> tests/ui/indexing_slicing_index.rs:19:20 | LL | const REF: &i32 = &ARR[idx()]; // This should be linted, since `suppress-restriction-lint-in-const` default is false. | ^^^^^^^^^^ @@ -10,19 +10,19 @@ LL | const REF: &i32 = &ARR[idx()]; // This should be linted, since `suppress-re = help: to override `-D warnings` add `#[allow(clippy::indexing_slicing)]` error[E0080]: evaluation of `main::{constant#3}` failed - --> tests/ui/indexing_slicing_index.rs:47:14 + --> tests/ui/indexing_slicing_index.rs:67:14 | LL | const { &ARR[idx4()] }; | ^^^^^^^^^^^ index out of bounds: the length is 2 but the index is 4 note: erroneous constant encountered - --> tests/ui/indexing_slicing_index.rs:47:5 + --> tests/ui/indexing_slicing_index.rs:67:5 | LL | const { &ARR[idx4()] }; | ^^^^^^^^^^^^^^^^^^^^^^ error: indexing may panic - --> tests/ui/indexing_slicing_index.rs:28:5 + --> tests/ui/indexing_slicing_index.rs:48:5 | LL | x[index]; | ^^^^^^^^ @@ -30,7 +30,7 @@ LL | x[index]; = help: consider using `.get(n)` or `.get_mut(n)` instead error: index is out of bounds - --> tests/ui/indexing_slicing_index.rs:31:5 + --> tests/ui/indexing_slicing_index.rs:51:5 | LL | x[4]; | ^^^^ @@ -39,13 +39,13 @@ LL | x[4]; = help: to override `-D warnings` add `#[allow(clippy::out_of_bounds_indexing)]` error: index is out of bounds - --> tests/ui/indexing_slicing_index.rs:33:5 + --> tests/ui/indexing_slicing_index.rs:53:5 | LL | x[1 << 3]; | ^^^^^^^^^ error: indexing may panic - --> tests/ui/indexing_slicing_index.rs:44:14 + --> tests/ui/indexing_slicing_index.rs:64:14 | LL | const { &ARR[idx()] }; | ^^^^^^^^^^ @@ -54,7 +54,7 @@ LL | const { &ARR[idx()] }; = note: the suggestion might not be applicable in constant blocks error: indexing may panic - --> tests/ui/indexing_slicing_index.rs:47:14 + --> tests/ui/indexing_slicing_index.rs:67:14 | LL | const { &ARR[idx4()] }; | ^^^^^^^^^^^ @@ -63,13 +63,13 @@ LL | const { &ARR[idx4()] }; = note: the suggestion might not be applicable in constant blocks error: index is out of bounds - --> tests/ui/indexing_slicing_index.rs:54:5 + --> tests/ui/indexing_slicing_index.rs:74:5 | LL | y[4]; | ^^^^ error: indexing may panic - --> tests/ui/indexing_slicing_index.rs:57:5 + --> tests/ui/indexing_slicing_index.rs:77:5 | LL | v[0]; | ^^^^ @@ -77,7 +77,7 @@ LL | v[0]; = help: consider using `.get(n)` or `.get_mut(n)` instead error: indexing may panic - --> tests/ui/indexing_slicing_index.rs:59:5 + --> tests/ui/indexing_slicing_index.rs:79:5 | LL | v[10]; | ^^^^^ @@ -85,7 +85,7 @@ LL | v[10]; = help: consider using `.get(n)` or `.get_mut(n)` instead error: indexing may panic - --> tests/ui/indexing_slicing_index.rs:61:5 + --> tests/ui/indexing_slicing_index.rs:81:5 | LL | v[1 << 3]; | ^^^^^^^^^ @@ -93,13 +93,13 @@ LL | v[1 << 3]; = help: consider using `.get(n)` or `.get_mut(n)` instead error: index is out of bounds - --> tests/ui/indexing_slicing_index.rs:69:5 + --> tests/ui/indexing_slicing_index.rs:89:5 | LL | x[N]; | ^^^^ error: indexing may panic - --> tests/ui/indexing_slicing_index.rs:72:5 + --> tests/ui/indexing_slicing_index.rs:92:5 | LL | v[N]; | ^^^^ @@ -107,7 +107,7 @@ LL | v[N]; = help: consider using `.get(n)` or `.get_mut(n)` instead error: indexing may panic - --> tests/ui/indexing_slicing_index.rs:74:5 + --> tests/ui/indexing_slicing_index.rs:94:5 | LL | v[M]; | ^^^^ @@ -115,7 +115,7 @@ LL | v[M]; = help: consider using `.get(n)` or `.get_mut(n)` instead error: index is out of bounds - --> tests/ui/indexing_slicing_index.rs:78:13 + --> tests/ui/indexing_slicing_index.rs:98:13 | LL | let _ = x[4]; | ^^^^ diff --git a/tests/ui/indexing_slicing_slice.rs b/tests/ui/indexing_slicing_slice.rs index 69291acd9c77..f37bcc4aa0ca 100644 --- a/tests/ui/indexing_slicing_slice.rs +++ b/tests/ui/indexing_slicing_slice.rs @@ -1,3 +1,5 @@ +//@aux-build: proc_macros.rs + #![warn(clippy::indexing_slicing)] // We also check the out_of_bounds_indexing lint here, because it lints similar things and // we want to avoid false positives. @@ -11,6 +13,9 @@ )] #![warn(clippy::indexing_slicing)] +extern crate proc_macros; +use proc_macros::with_span; + use std::ops::Index; struct BoolMap { @@ -86,6 +91,22 @@ impl Index for Z { } } +with_span!( + span + + fn dont_lint_proc_macro() { + let x = [1, 2, 3, 4]; + let index: usize = 1; + &x[index..]; + &x[..10]; + + let x = vec![0; 5]; + let index: usize = 1; + &x[index..]; + &x[..10]; + } +); + fn main() { let x = [1, 2, 3, 4]; let index: usize = 1; diff --git a/tests/ui/indexing_slicing_slice.stderr b/tests/ui/indexing_slicing_slice.stderr index a7da3fe3faa7..1e72506746ec 100644 --- a/tests/ui/indexing_slicing_slice.stderr +++ b/tests/ui/indexing_slicing_slice.stderr @@ -1,5 +1,5 @@ error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:94:6 + --> tests/ui/indexing_slicing_slice.rs:115:6 | LL | &x[index..]; | ^^^^^^^^^^ @@ -9,7 +9,7 @@ LL | &x[index..]; = help: to override `-D warnings` add `#[allow(clippy::indexing_slicing)]` error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:96:6 + --> tests/ui/indexing_slicing_slice.rs:117:6 | LL | &x[..index]; | ^^^^^^^^^^ @@ -17,7 +17,7 @@ LL | &x[..index]; = help: consider using `.get(..n)`or `.get_mut(..n)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:98:6 + --> tests/ui/indexing_slicing_slice.rs:119:6 | LL | &x[index_from..index_to]; | ^^^^^^^^^^^^^^^^^^^^^^^ @@ -25,7 +25,7 @@ LL | &x[index_from..index_to]; = help: consider using `.get(n..m)` or `.get_mut(n..m)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:100:6 + --> tests/ui/indexing_slicing_slice.rs:121:6 | LL | &x[index_from..][..index_to]; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -33,7 +33,7 @@ LL | &x[index_from..][..index_to]; = help: consider using `.get(..n)`or `.get_mut(..n)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:100:6 + --> tests/ui/indexing_slicing_slice.rs:121:6 | LL | &x[index_from..][..index_to]; | ^^^^^^^^^^^^^^^ @@ -41,7 +41,7 @@ LL | &x[index_from..][..index_to]; = help: consider using `.get(n..)` or .get_mut(n..)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:103:6 + --> tests/ui/indexing_slicing_slice.rs:124:6 | LL | &x[5..][..10]; | ^^^^^^^^^^^^ @@ -49,7 +49,7 @@ LL | &x[5..][..10]; = help: consider using `.get(..n)`or `.get_mut(..n)` instead error: range is out of bounds - --> tests/ui/indexing_slicing_slice.rs:103:8 + --> tests/ui/indexing_slicing_slice.rs:124:8 | LL | &x[5..][..10]; | ^ @@ -58,7 +58,7 @@ LL | &x[5..][..10]; = help: to override `-D warnings` add `#[allow(clippy::out_of_bounds_indexing)]` error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:107:6 + --> tests/ui/indexing_slicing_slice.rs:128:6 | LL | &x[0..][..3]; | ^^^^^^^^^^^ @@ -66,7 +66,7 @@ LL | &x[0..][..3]; = help: consider using `.get(..n)`or `.get_mut(..n)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:109:6 + --> tests/ui/indexing_slicing_slice.rs:130:6 | LL | &x[1..][..5]; | ^^^^^^^^^^^ @@ -74,19 +74,19 @@ LL | &x[1..][..5]; = help: consider using `.get(..n)`or `.get_mut(..n)` instead error: range is out of bounds - --> tests/ui/indexing_slicing_slice.rs:117:12 + --> tests/ui/indexing_slicing_slice.rs:138:12 | LL | &y[0..=4]; | ^ error: range is out of bounds - --> tests/ui/indexing_slicing_slice.rs:119:11 + --> tests/ui/indexing_slicing_slice.rs:140:11 | LL | &y[..=4]; | ^ error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:125:6 + --> tests/ui/indexing_slicing_slice.rs:146:6 | LL | &v[10..100]; | ^^^^^^^^^^ @@ -94,7 +94,7 @@ LL | &v[10..100]; = help: consider using `.get(n..m)` or `.get_mut(n..m)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:127:6 + --> tests/ui/indexing_slicing_slice.rs:148:6 | LL | &x[10..][..100]; | ^^^^^^^^^^^^^^ @@ -102,13 +102,13 @@ LL | &x[10..][..100]; = help: consider using `.get(..n)`or `.get_mut(..n)` instead error: range is out of bounds - --> tests/ui/indexing_slicing_slice.rs:127:8 + --> tests/ui/indexing_slicing_slice.rs:148:8 | LL | &x[10..][..100]; | ^^ error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:130:6 + --> tests/ui/indexing_slicing_slice.rs:151:6 | LL | &v[10..]; | ^^^^^^^ @@ -116,7 +116,7 @@ LL | &v[10..]; = help: consider using `.get(n..)` or .get_mut(n..)` instead error: slicing may panic - --> tests/ui/indexing_slicing_slice.rs:132:6 + --> tests/ui/indexing_slicing_slice.rs:153:6 | LL | &v[..100]; | ^^^^^^^^ @@ -124,7 +124,7 @@ LL | &v[..100]; = help: consider using `.get(..n)`or `.get_mut(..n)` instead error: indexing may panic - --> tests/ui/indexing_slicing_slice.rs:150:5 + --> tests/ui/indexing_slicing_slice.rs:171:5 | LL | map_with_get[true]; | ^^^^^^^^^^^^^^^^^^ @@ -132,7 +132,7 @@ LL | map_with_get[true]; = help: consider using `.get(n)` or `.get_mut(n)` instead error: indexing may panic - --> tests/ui/indexing_slicing_slice.rs:153:5 + --> tests/ui/indexing_slicing_slice.rs:174:5 | LL | s[0]; | ^^^^ @@ -140,7 +140,7 @@ LL | s[0]; = help: consider using `.get(n)` or `.get_mut(n)` instead error: indexing may panic - --> tests/ui/indexing_slicing_slice.rs:156:5 + --> tests/ui/indexing_slicing_slice.rs:177:5 | LL | y[0]; | ^^^^ From 91f5530b2db1ea992d4e5c3ef214609d6e9145c1 Mon Sep 17 00:00:00 2001 From: binarycat Date: Sun, 9 Jun 2024 22:37:05 -0400 Subject: [PATCH 1267/1716] migrate tests/run-make/llvm-outputs to use rmake.rs part of #121876 --- src/tools/run-make-support/src/rustc.rs | 7 +++++++ .../tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/llvm-outputs/Makefile | 5 ----- tests/run-make/llvm-outputs/rmake.rs | 20 +++++++++++++++++++ 4 files changed, 27 insertions(+), 6 deletions(-) delete mode 100644 tests/run-make/llvm-outputs/Makefile create mode 100644 tests/run-make/llvm-outputs/rmake.rs diff --git a/src/tools/run-make-support/src/rustc.rs b/src/tools/run-make-support/src/rustc.rs index d4c00d23b8b1..5ea231442bc2 100644 --- a/src/tools/run-make-support/src/rustc.rs +++ b/src/tools/run-make-support/src/rustc.rs @@ -107,6 +107,13 @@ impl Rustc { self } + /// Specify path to the output directory. Equivalent to `--out-dir`` in rustc. + pub fn out_dir>(&mut self, path: P) -> &mut Self { + self.cmd.arg("--out-dir"); + self.cmd.arg(path.as_ref()); + self + } + /// This flag defers LTO optimizations to the linker. pub fn linker_plugin_lto(&mut self, option: &str) -> &mut Self { self.cmd.arg(format!("-Clinker-plugin-lto={option}")); diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index a015f96ae51d..babf1abbe64a 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -122,7 +122,6 @@ run-make/link-framework/Makefile run-make/link-path-order/Makefile run-make/linkage-attr-on-static/Makefile run-make/llvm-ident/Makefile -run-make/llvm-outputs/Makefile run-make/long-linker-command-lines-cmd-exe/Makefile run-make/long-linker-command-lines/Makefile run-make/longjmp-across-rust/Makefile diff --git a/tests/run-make/llvm-outputs/Makefile b/tests/run-make/llvm-outputs/Makefile deleted file mode 100644 index cccf1dd66fb9..000000000000 --- a/tests/run-make/llvm-outputs/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -include ../tools.mk - -all: - echo 'fn main() {}' | $(BARE_RUSTC) - --out-dir=$(TMPDIR)/random_directory_that_does_not_exist_ir/ --emit=llvm-ir - echo 'fn main() {}' | $(BARE_RUSTC) - --out-dir=$(TMPDIR)/random_directory_that_does_not_exist_bc/ --emit=llvm-bc diff --git a/tests/run-make/llvm-outputs/rmake.rs b/tests/run-make/llvm-outputs/rmake.rs new file mode 100644 index 000000000000..2dc3030ca91b --- /dev/null +++ b/tests/run-make/llvm-outputs/rmake.rs @@ -0,0 +1,20 @@ +// test that directories get created when emitting llvm bitcode and IR + +use run_make_support::{cwd, run_in_tmpdir, rustc}; +use std::path::PathBuf; + +fn main() { + let mut path_bc = PathBuf::new(); + let mut path_ir = PathBuf::new(); + run_in_tmpdir(|| { + let p = cwd(); + path_bc = p.join("nonexistant_dir_bc"); + path_ir = p.join("nonexistant_dir_ir"); + rustc().input("-").stdin("fn main() {}").out_dir(&path_bc).emit("llvm-bc").run(); + rustc().input("-").stdin("fn main() {}").out_dir(&path_ir).emit("llvm-ir").run(); + assert!(path_bc.exists()); + assert!(path_ir.exists()); + }); + assert!(!path_bc.exists()); + assert!(!path_ir.exists()); +} From 29629d0075c13b9c22b624ca29cc19c512ecb16a Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 5 Jun 2024 13:37:19 +1000 Subject: [PATCH 1268/1716] Remove some unused crate dependencies. I found these by setting the `unused_crate_dependencies` lint temporarily to `Warn`. --- Cargo.lock | 19 ------------------- compiler/rustc_ast_ir/Cargo.toml | 1 - compiler/rustc_baked_icu_data/Cargo.toml | 1 - compiler/rustc_data_structures/Cargo.toml | 3 +-- compiler/rustc_driver_impl/Cargo.toml | 1 - compiler/rustc_index_macros/Cargo.toml | 3 +-- compiler/rustc_middle/Cargo.toml | 3 +-- compiler/rustc_mir_build/Cargo.toml | 2 -- compiler/rustc_next_trait_solver/Cargo.toml | 15 +-------------- compiler/rustc_query_impl/Cargo.toml | 3 +-- compiler/stable_mir/Cargo.toml | 1 - library/test/Cargo.toml | 2 -- 12 files changed, 5 insertions(+), 49 deletions(-) diff --git a/Cargo.lock b/Cargo.lock index 58d95f927bf9..ba8b2c270059 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -3627,7 +3627,6 @@ dependencies = [ "rustc_macros", "rustc_serialize", "rustc_span", - "smallvec", ] [[package]] @@ -3708,7 +3707,6 @@ dependencies = [ "icu_locid", "icu_locid_transform", "icu_provider", - "icu_provider_adapters", "zerovec", ] @@ -3889,7 +3887,6 @@ dependencies = [ "portable-atomic", "rustc-hash", "rustc-rayon", - "rustc-rayon-core", "rustc_arena", "rustc_graphviz", "rustc_index", @@ -3930,7 +3927,6 @@ dependencies = [ "rustc_expand", "rustc_feature", "rustc_fluent_macro", - "rustc_hir", "rustc_hir_analysis", "rustc_hir_pretty", "rustc_hir_typeck", @@ -4193,7 +4189,6 @@ dependencies = [ "proc-macro2", "quote", "syn 2.0.66", - "synstructure", ] [[package]] @@ -4385,7 +4380,6 @@ dependencies = [ "field-offset", "gsgdt", "polonius-engine", - "rustc-rayon", "rustc-rayon-core", "rustc_apfloat", "rustc_arena", @@ -4417,7 +4411,6 @@ dependencies = [ name = "rustc_mir_build" version = "0.0.0" dependencies = [ - "either", "itertools 0.12.1", "rustc_apfloat", "rustc_arena", @@ -4436,7 +4429,6 @@ dependencies = [ "rustc_span", "rustc_target", "rustc_trait_selection", - "smallvec", "tracing", ] @@ -4511,14 +4503,7 @@ dependencies = [ name = "rustc_next_trait_solver" version = "0.0.0" dependencies = [ - "derivative", - "rustc_ast_ir", - "rustc_data_structures", - "rustc_macros", - "rustc_serialize", "rustc_type_ir", - "rustc_type_ir_macros", - "tracing", ] [[package]] @@ -4623,7 +4608,6 @@ version = "0.0.0" dependencies = [ "field-offset", "measureme", - "rustc-rayon-core", "rustc_data_structures", "rustc_errors", "rustc_hir", @@ -5329,7 +5313,6 @@ name = "stable_mir" version = "0.1.0-preview" dependencies = [ "scoped-tls", - "tracing", ] [[package]] @@ -5625,8 +5608,6 @@ dependencies = [ "core", "getopts", "libc", - "panic_abort", - "panic_unwind", "std", ] diff --git a/compiler/rustc_ast_ir/Cargo.toml b/compiler/rustc_ast_ir/Cargo.toml index e761b7adad3f..a78c91e0615b 100644 --- a/compiler/rustc_ast_ir/Cargo.toml +++ b/compiler/rustc_ast_ir/Cargo.toml @@ -9,7 +9,6 @@ rustc_data_structures = { path = "../rustc_data_structures", optional = true } rustc_macros = { path = "../rustc_macros", optional = true } rustc_serialize = { path = "../rustc_serialize", optional = true } rustc_span = { path = "../rustc_span", optional = true } -smallvec = { version = "1.8.1" } # tidy-alphabetical-end [features] diff --git a/compiler/rustc_baked_icu_data/Cargo.toml b/compiler/rustc_baked_icu_data/Cargo.toml index 48af4e6f600b..e6cfb4887c91 100644 --- a/compiler/rustc_baked_icu_data/Cargo.toml +++ b/compiler/rustc_baked_icu_data/Cargo.toml @@ -9,7 +9,6 @@ icu_list = "1.2" icu_locid = "1.2" icu_locid_transform = "1.3.2" icu_provider = "1.2" -icu_provider_adapters = "1.2" zerovec = "0.10.0" # tidy-alphabetical-end diff --git a/compiler/rustc_data_structures/Cargo.toml b/compiler/rustc_data_structures/Cargo.toml index 2b61e17efa28..6876046a5838 100644 --- a/compiler/rustc_data_structures/Cargo.toml +++ b/compiler/rustc_data_structures/Cargo.toml @@ -16,7 +16,6 @@ libc = "0.2" measureme = "11" rustc-hash = "1.1.0" rustc-rayon = { version = "0.5.0", optional = true } -rustc-rayon-core = { version = "0.5.0", optional = true } rustc_arena = { path = "../rustc_arena" } rustc_graphviz = { path = "../rustc_graphviz" } rustc_index = { path = "../rustc_index", package = "rustc_index" } @@ -52,5 +51,5 @@ portable-atomic = "1.5.1" [features] # tidy-alphabetical-start -rustc_use_parallel_compiler = ["indexmap/rustc-rayon", "rustc-rayon", "rustc-rayon-core"] +rustc_use_parallel_compiler = ["indexmap/rustc-rayon", "rustc-rayon"] # tidy-alphabetical-end diff --git a/compiler/rustc_driver_impl/Cargo.toml b/compiler/rustc_driver_impl/Cargo.toml index 5f7504add8d6..91cbffcd7072 100644 --- a/compiler/rustc_driver_impl/Cargo.toml +++ b/compiler/rustc_driver_impl/Cargo.toml @@ -19,7 +19,6 @@ rustc_errors = { path = "../rustc_errors" } rustc_expand = { path = "../rustc_expand" } rustc_feature = { path = "../rustc_feature" } rustc_fluent_macro = { path = "../rustc_fluent_macro" } -rustc_hir = { path = "../rustc_hir" } rustc_hir_analysis = { path = "../rustc_hir_analysis" } rustc_hir_pretty = { path = "../rustc_hir_pretty" } rustc_hir_typeck = { path = "../rustc_hir_typeck" } diff --git a/compiler/rustc_index_macros/Cargo.toml b/compiler/rustc_index_macros/Cargo.toml index c4ca29db3c2d..07ee81788ce4 100644 --- a/compiler/rustc_index_macros/Cargo.toml +++ b/compiler/rustc_index_macros/Cargo.toml @@ -7,11 +7,10 @@ edition = "2021" proc-macro = true [dependencies] -synstructure = "0.13.0" syn = { version = "2.0.9", features = ["full"] } proc-macro2 = "1" quote = "1" [features] default = ["nightly"] -nightly = [] \ No newline at end of file +nightly = [] diff --git a/compiler/rustc_middle/Cargo.toml b/compiler/rustc_middle/Cargo.toml index d1cdabc293dd..3dc592980fdb 100644 --- a/compiler/rustc_middle/Cargo.toml +++ b/compiler/rustc_middle/Cargo.toml @@ -11,7 +11,6 @@ either = "1.5.0" field-offset = "0.3.5" gsgdt = "0.1.2" polonius-engine = "0.13.0" -rustc-rayon = { version = "0.5.0", optional = true } rustc-rayon-core = { version = "0.5.0", optional = true } rustc_apfloat = "0.2.0" rustc_arena = { path = "../rustc_arena" } @@ -41,5 +40,5 @@ tracing = "0.1" [features] # tidy-alphabetical-start -rustc_use_parallel_compiler = ["rustc-rayon", "rustc-rayon-core"] +rustc_use_parallel_compiler = ["rustc-rayon-core"] # tidy-alphabetical-end diff --git a/compiler/rustc_mir_build/Cargo.toml b/compiler/rustc_mir_build/Cargo.toml index 77f27236437d..5d828d0093f3 100644 --- a/compiler/rustc_mir_build/Cargo.toml +++ b/compiler/rustc_mir_build/Cargo.toml @@ -5,7 +5,6 @@ edition = "2021" [dependencies] # tidy-alphabetical-start -either = "1" itertools = "0.12" rustc_apfloat = "0.2.0" rustc_arena = { path = "../rustc_arena" } @@ -24,6 +23,5 @@ rustc_session = { path = "../rustc_session" } rustc_span = { path = "../rustc_span" } rustc_target = { path = "../rustc_target" } rustc_trait_selection = { path = "../rustc_trait_selection" } -smallvec = { version = "1.8.1", features = ["union", "may_dangle"] } tracing = "0.1" # tidy-alphabetical-end diff --git a/compiler/rustc_next_trait_solver/Cargo.toml b/compiler/rustc_next_trait_solver/Cargo.toml index c30d21fd7843..50dbc991f8fd 100644 --- a/compiler/rustc_next_trait_solver/Cargo.toml +++ b/compiler/rustc_next_trait_solver/Cargo.toml @@ -5,22 +5,9 @@ edition = "2021" [dependencies] # tidy-alphabetical-start -derivative = "2.2.0" -rustc_ast_ir = { path = "../rustc_ast_ir", default-features = false } -rustc_data_structures = { path = "../rustc_data_structures", optional = true } -rustc_macros = { path = "../rustc_macros", optional = true } -rustc_serialize = { path = "../rustc_serialize", optional = true } rustc_type_ir = { path = "../rustc_type_ir", default-features = false } -rustc_type_ir_macros = { path = "../rustc_type_ir_macros" } -tracing = "0.1" # tidy-alphabetical-end [features] default = ["nightly"] -nightly = [ - "rustc_type_ir/nightly", - "rustc_macros", - "rustc_serialize", - "rustc_data_structures", - "rustc_ast_ir/nightly", -] +nightly = ["rustc_type_ir/nightly"] diff --git a/compiler/rustc_query_impl/Cargo.toml b/compiler/rustc_query_impl/Cargo.toml index c57f22a0da2b..2bb1be22b985 100644 --- a/compiler/rustc_query_impl/Cargo.toml +++ b/compiler/rustc_query_impl/Cargo.toml @@ -7,7 +7,6 @@ edition = "2021" # tidy-alphabetical-start field-offset = "0.3.5" measureme = "11" -rustc-rayon-core = { version = "0.5.0", optional = true } rustc_data_structures = { path = "../rustc_data_structures" } rustc_errors = { path = "../rustc_errors" } rustc_hir = { path = "../rustc_hir" } @@ -23,5 +22,5 @@ tracing = "0.1" [features] # tidy-alphabetical-start -rustc_use_parallel_compiler = ["rustc-rayon-core", "rustc_query_system/rustc_use_parallel_compiler"] +rustc_use_parallel_compiler = ["rustc_query_system/rustc_use_parallel_compiler"] # tidy-alphabetical-end diff --git a/compiler/stable_mir/Cargo.toml b/compiler/stable_mir/Cargo.toml index c61e217bf9f0..4ed611527365 100644 --- a/compiler/stable_mir/Cargo.toml +++ b/compiler/stable_mir/Cargo.toml @@ -4,5 +4,4 @@ version = "0.1.0-preview" edition = "2021" [dependencies] -tracing = "0.1" scoped-tls = "1.0" diff --git a/library/test/Cargo.toml b/library/test/Cargo.toml index 0e2409f63ab1..75cc7c00e389 100644 --- a/library/test/Cargo.toml +++ b/library/test/Cargo.toml @@ -7,8 +7,6 @@ edition = "2021" getopts = { version = "0.2.21", features = ['rustc-dep-of-std'] } std = { path = "../std" } core = { path = "../core" } -panic_unwind = { path = "../panic_unwind" } -panic_abort = { path = "../panic_abort" } [target.'cfg(not(all(windows, target_env = "msvc")))'.dependencies] libc = { version = "0.2.150", default-features = false } From faac70b66e5135717a651dd3f13e6504e7b0c8c9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Mon, 10 Jun 2024 12:41:52 +0200 Subject: [PATCH 1269/1716] Update `rustc-perf` submodule before running tidy --- src/bootstrap/src/core/build_steps/test.rs | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/bootstrap/src/core/build_steps/test.rs b/src/bootstrap/src/core/build_steps/test.rs index fb7b40b73212..29cd90222b25 100644 --- a/src/bootstrap/src/core/build_steps/test.rs +++ b/src/bootstrap/src/core/build_steps/test.rs @@ -1101,6 +1101,8 @@ impl Step for Tidy { /// Once tidy passes, this step also runs `fmt --check` if tests are being run /// for the `dev` or `nightly` channels. fn run(self, builder: &Builder<'_>) { + builder.build.update_submodule(Path::new("src/tools/rustc-perf")); + let mut cmd = builder.tool_cmd(Tool::Tidy); cmd.arg(&builder.src); cmd.arg(&builder.initial_cargo); From 256387b63e33edf3517157fa737ee4369d9d3e3f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E8=AE=B8=E6=9D=B0=E5=8F=8B=20Jieyou=20Xu=20=28Joe=29?= Date: Mon, 10 Jun 2024 10:09:48 +0000 Subject: [PATCH 1270/1716] run-make: add run_in_tmpdir self-test --- .../run-make/run-in-tmpdir-self-test/rmake.rs | 38 +++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 tests/run-make/run-in-tmpdir-self-test/rmake.rs diff --git a/tests/run-make/run-in-tmpdir-self-test/rmake.rs b/tests/run-make/run-in-tmpdir-self-test/rmake.rs new file mode 100644 index 000000000000..83b99bfe8632 --- /dev/null +++ b/tests/run-make/run-in-tmpdir-self-test/rmake.rs @@ -0,0 +1,38 @@ +//! This is a self-test for the `run_in_tmpdir` helper in the support library. This test tries to +//! check that files and directories created within the temporary directory gets properly cleared +//! when returning from the closure. + +use std::fs; +use std::path::{Path, PathBuf}; + +use run_make_support::{cwd, run_in_tmpdir}; + +fn main() { + let mut file_path = PathBuf::new(); + let mut dir_path = PathBuf::new(); + let mut readonly_file_path = PathBuf::new(); + let test_cwd = cwd(); + run_in_tmpdir(|| { + assert_ne!(test_cwd, cwd(), "test cwd should not be the same as tmpdir cwd"); + + file_path = cwd().join("foo.txt"); + fs::write(&file_path, "hi").unwrap(); + + dir_path = cwd().join("bar"); + fs::create_dir_all(&dir_path).unwrap(); + + readonly_file_path = cwd().join("readonly-file.txt"); + fs::write(&readonly_file_path, "owo").unwrap(); + let mut perms = fs::metadata(&readonly_file_path).unwrap().permissions(); + perms.set_readonly(true); + fs::set_permissions(&mut readonly_file_path, perms).unwrap(); + + assert!(file_path.exists()); + assert!(dir_path.exists()); + assert!(readonly_file_path.exists()); + }); + assert!(!file_path.exists()); + assert!(!dir_path.exists()); + assert!(!readonly_file_path.exists()); + assert_eq!(test_cwd, cwd(), "test cwd is not correctly restored"); +} From e47ea38da854eea3aebd35b43e3a4dfc7d25c651 Mon Sep 17 00:00:00 2001 From: Gurinder Singh Date: Mon, 10 Jun 2024 16:28:05 +0530 Subject: [PATCH 1271/1716] Make suggestion to change `Fn` to `FnMut` work with methods well --- .../src/diagnostics/mutability_errors.rs | 113 +++++++++++------- .../wrong-closure-arg-suggestion-125325.rs | 29 +++++ ...wrong-closure-arg-suggestion-125325.stderr | 28 +++++ 3 files changed, 126 insertions(+), 44 deletions(-) create mode 100644 tests/ui/closures/wrong-closure-arg-suggestion-125325.rs create mode 100644 tests/ui/closures/wrong-closure-arg-suggestion-125325.stderr diff --git a/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs b/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs index df1a1411cf5f..238e4a992a9b 100644 --- a/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs @@ -937,56 +937,81 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { let node = self.infcx.tcx.hir_node(fn_call_id); let def_id = hir.enclosing_body_owner(fn_call_id); let mut look_at_return = true; - // If we can detect the expression to be an `fn` call where the closure was an argument, - // we point at the `fn` definition argument... - if let hir::Node::Expr(hir::Expr { kind: hir::ExprKind::Call(func, args), .. }) = node { - let arg_pos = args + + // If the HIR node is a function or method call gets the def ID + // of the called function or method and the span and args of the call expr + let get_call_details = || { + let hir::Node::Expr(hir::Expr { hir_id, kind, .. }) = node else { + return None; + }; + + let typeck_results = self.infcx.tcx.typeck(def_id); + + match kind { + hir::ExprKind::Call(expr, args) => { + if let Some(ty::FnDef(def_id, _)) = + typeck_results.node_type_opt(expr.hir_id).as_ref().map(|ty| ty.kind()) + { + Some((*def_id, expr.span, *args)) + } else { + None + } + } + hir::ExprKind::MethodCall(_, _, args, span) => { + if let Some(def_id) = typeck_results.type_dependent_def_id(*hir_id) { + Some((def_id, *span, *args)) + } else { + None + } + } + _ => None, + } + }; + + // If we can detect the expression to be an function or method call where the closure was an argument, + // we point at the function or method definition argument... + if let Some((callee_def_id, call_span, call_args)) = get_call_details() { + let arg_pos = call_args .iter() .enumerate() .filter(|(_, arg)| arg.hir_id == closure_id) .map(|(pos, _)| pos) .next(); - let tables = self.infcx.tcx.typeck(def_id); - if let Some(ty::FnDef(def_id, _)) = - tables.node_type_opt(func.hir_id).as_ref().map(|ty| ty.kind()) - { - let arg = match hir.get_if_local(*def_id) { - Some( - hir::Node::Item(hir::Item { - ident, kind: hir::ItemKind::Fn(sig, ..), .. + + let arg = match hir.get_if_local(callee_def_id) { + Some( + hir::Node::Item(hir::Item { ident, kind: hir::ItemKind::Fn(sig, ..), .. }) + | hir::Node::TraitItem(hir::TraitItem { + ident, + kind: hir::TraitItemKind::Fn(sig, _), + .. + }) + | hir::Node::ImplItem(hir::ImplItem { + ident, + kind: hir::ImplItemKind::Fn(sig, _), + .. + }), + ) => Some( + arg_pos + .and_then(|pos| { + sig.decl.inputs.get( + pos + if sig.decl.implicit_self.has_implicit_self() { + 1 + } else { + 0 + }, + ) }) - | hir::Node::TraitItem(hir::TraitItem { - ident, - kind: hir::TraitItemKind::Fn(sig, _), - .. - }) - | hir::Node::ImplItem(hir::ImplItem { - ident, - kind: hir::ImplItemKind::Fn(sig, _), - .. - }), - ) => Some( - arg_pos - .and_then(|pos| { - sig.decl.inputs.get( - pos + if sig.decl.implicit_self.has_implicit_self() { - 1 - } else { - 0 - }, - ) - }) - .map(|arg| arg.span) - .unwrap_or(ident.span), - ), - _ => None, - }; - if let Some(span) = arg { - err.span_label(span, "change this to accept `FnMut` instead of `Fn`"); - err.span_label(func.span, "expects `Fn` instead of `FnMut`"); - err.span_label(closure_span, "in this closure"); - look_at_return = false; - } + .map(|arg| arg.span) + .unwrap_or(ident.span), + ), + _ => None, + }; + if let Some(span) = arg { + err.span_label(span, "change this to accept `FnMut` instead of `Fn`"); + err.span_label(call_span, "expects `Fn` instead of `FnMut`"); + err.span_label(closure_span, "in this closure"); + look_at_return = false; } } diff --git a/tests/ui/closures/wrong-closure-arg-suggestion-125325.rs b/tests/ui/closures/wrong-closure-arg-suggestion-125325.rs new file mode 100644 index 000000000000..ce575697cf68 --- /dev/null +++ b/tests/ui/closures/wrong-closure-arg-suggestion-125325.rs @@ -0,0 +1,29 @@ +// Regression test for #125325 + +// Tests that we suggest changing an `impl Fn` param +// to `impl FnMut` when the provided closure arg +// is trying to mutate the closure env. +// Ensures that it works that way for both +// functions and methods + +struct S; + +impl S { + fn assoc_func(&self, _f: impl Fn()) -> usize { + 0 + } +} + +fn func(_f: impl Fn()) -> usize { + 0 +} + +fn test_func(s: &S) -> usize { + let mut x = (); + s.assoc_func(|| x = ()); + //~^ cannot assign to `x`, as it is a captured variable in a `Fn` closure + func(|| x = ()) + //~^ cannot assign to `x`, as it is a captured variable in a `Fn` closure +} + +fn main() {} diff --git a/tests/ui/closures/wrong-closure-arg-suggestion-125325.stderr b/tests/ui/closures/wrong-closure-arg-suggestion-125325.stderr new file mode 100644 index 000000000000..e0cce8c4b314 --- /dev/null +++ b/tests/ui/closures/wrong-closure-arg-suggestion-125325.stderr @@ -0,0 +1,28 @@ +error[E0594]: cannot assign to `x`, as it is a captured variable in a `Fn` closure + --> $DIR/wrong-closure-arg-suggestion-125325.rs:23:21 + | +LL | fn assoc_func(&self, _f: impl Fn()) -> usize { + | --------- change this to accept `FnMut` instead of `Fn` +... +LL | s.assoc_func(|| x = ()); + | --------------^^^^^^- + | | | | + | | | cannot assign + | | in this closure + | expects `Fn` instead of `FnMut` + +error[E0594]: cannot assign to `x`, as it is a captured variable in a `Fn` closure + --> $DIR/wrong-closure-arg-suggestion-125325.rs:25:13 + | +LL | fn func(_f: impl Fn()) -> usize { + | --------- change this to accept `FnMut` instead of `Fn` +... +LL | func(|| x = ()) + | ---- -- ^^^^^^ cannot assign + | | | + | | in this closure + | expects `Fn` instead of `FnMut` + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0594`. From 3c57ea0df79c8ee2ad1ff99881f80ab87b186935 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sat, 8 Jun 2024 16:13:45 +0200 Subject: [PATCH 1272/1716] ScalarInt: size mismatches are a bug, do not delay the panic --- .../rustc_codegen_cranelift/src/constant.rs | 6 +- .../src/intrinsics/llvm_x86.rs | 10 +- .../src/intrinsics/simd.rs | 11 +- .../src/value_and_place.rs | 4 +- compiler/rustc_codegen_gcc/src/common.rs | 2 +- compiler/rustc_codegen_llvm/src/common.rs | 2 +- compiler/rustc_codegen_llvm/src/intrinsic.rs | 2 +- compiler/rustc_codegen_ssa/src/common.rs | 2 +- .../src/const_eval/valtrees.rs | 8 +- .../src/interpret/discriminant.rs | 15 +- .../src/interpret/intrinsics.rs | 2 +- .../rustc_const_eval/src/interpret/memory.rs | 2 +- .../rustc_const_eval/src/interpret/operand.rs | 17 +- .../src/interpret/operator.rs | 8 +- .../src/interpret/validity.rs | 4 +- compiler/rustc_hir_typeck/src/pat.rs | 5 +- compiler/rustc_middle/src/mir/consts.rs | 14 +- .../rustc_middle/src/mir/interpret/value.rs | 33 +-- compiler/rustc_middle/src/thir.rs | 4 +- compiler/rustc_middle/src/ty/consts.rs | 6 +- compiler/rustc_middle/src/ty/consts/int.rs | 258 ++++++++---------- .../rustc_middle/src/ty/consts/valtree.rs | 9 +- compiler/rustc_middle/src/ty/print/pretty.rs | 4 +- compiler/rustc_mir_build/src/build/mod.rs | 15 +- compiler/rustc_mir_build/src/thir/constant.rs | 8 +- .../src/thir/pattern/const_to_pat.rs | 7 +- .../src/dataflow_const_prop.rs | 6 +- compiler/rustc_mir_transform/src/gvn.rs | 6 +- .../src/known_panics_lint.rs | 18 +- .../rustc_mir_transform/src/match_branches.rs | 2 +- .../rustc_mir_transform/src/promote_consts.rs | 6 +- .../src/simplify_comparison_integral.rs | 2 +- compiler/rustc_mir_transform/src/validate.rs | 6 +- compiler/rustc_pattern_analysis/src/rustc.rs | 9 +- compiler/rustc_transmute/src/layout/tree.rs | 2 +- compiler/rustc_ty_utils/src/consts.rs | 2 +- src/librustdoc/clean/utils.rs | 3 +- .../clippy_lints/src/large_const_arrays.rs | 2 +- .../clippy_lints/src/large_stack_arrays.rs | 2 +- .../clippy/clippy_lints/src/non_copy_const.rs | 2 +- .../src/zero_repeat_side_effects.rs | 3 +- src/tools/clippy/clippy_utils/src/consts.rs | 4 +- src/tools/clippy/clippy_utils/src/ty.rs | 20 +- src/tools/miri/src/intrinsics/simd.rs | 3 +- src/tools/miri/src/shims/unix/socket.rs | 4 +- 45 files changed, 247 insertions(+), 313 deletions(-) diff --git a/compiler/rustc_codegen_cranelift/src/constant.rs b/compiler/rustc_codegen_cranelift/src/constant.rs index ba98f2e772cb..a53598018f4a 100644 --- a/compiler/rustc_codegen_cranelift/src/constant.rs +++ b/compiler/rustc_codegen_cranelift/src/constant.rs @@ -110,7 +110,7 @@ pub(crate) fn codegen_const_value<'tcx>( if fx.clif_type(layout.ty).is_some() { return CValue::const_val(fx, layout, int); } else { - let raw_val = int.size().truncate(int.assert_bits(int.size())); + let raw_val = int.size().truncate(int.to_bits(int.size())); let val = match int.size().bytes() { 1 => fx.bcx.ins().iconst(types::I8, raw_val as i64), 2 => fx.bcx.ins().iconst(types::I16, raw_val as i64), @@ -501,12 +501,12 @@ pub(crate) fn mir_operand_get_const_val<'tcx>( Ordering::Equal => scalar_int, Ordering::Less => match ty.kind() { ty::Uint(_) => ScalarInt::try_from_uint( - scalar_int.assert_uint(scalar_int.size()), + scalar_int.to_uint(scalar_int.size()), fx.layout_of(*ty).size, ) .unwrap(), ty::Int(_) => ScalarInt::try_from_int( - scalar_int.assert_int(scalar_int.size()), + scalar_int.to_int(scalar_int.size()), fx.layout_of(*ty).size, ) .unwrap(), diff --git a/compiler/rustc_codegen_cranelift/src/intrinsics/llvm_x86.rs b/compiler/rustc_codegen_cranelift/src/intrinsics/llvm_x86.rs index 27b55ecc72ee..d454f3c1de7e 100644 --- a/compiler/rustc_codegen_cranelift/src/intrinsics/llvm_x86.rs +++ b/compiler/rustc_codegen_cranelift/src/intrinsics/llvm_x86.rs @@ -902,7 +902,7 @@ pub(crate) fn codegen_x86_llvm_intrinsic_call<'tcx>( .span_fatal(span, "Index argument for `_mm_cmpestri` is not a constant"); }; - let imm8 = imm8.try_to_u8().unwrap_or_else(|_| panic!("kind not scalar: {:?}", imm8)); + let imm8 = imm8.to_u8(); codegen_inline_asm_inner( fx, @@ -955,7 +955,7 @@ pub(crate) fn codegen_x86_llvm_intrinsic_call<'tcx>( .span_fatal(span, "Index argument for `_mm_cmpestrm` is not a constant"); }; - let imm8 = imm8.try_to_u8().unwrap_or_else(|_| panic!("kind not scalar: {:?}", imm8)); + let imm8 = imm8.to_u8(); codegen_inline_asm_inner( fx, @@ -1003,7 +1003,7 @@ pub(crate) fn codegen_x86_llvm_intrinsic_call<'tcx>( ); }; - let imm8 = imm8.try_to_u8().unwrap_or_else(|_| panic!("kind not scalar: {:?}", imm8)); + let imm8 = imm8.to_u8(); codegen_inline_asm_inner( fx, @@ -1040,7 +1040,7 @@ pub(crate) fn codegen_x86_llvm_intrinsic_call<'tcx>( ); }; - let imm8 = imm8.try_to_u8().unwrap_or_else(|_| panic!("kind not scalar: {:?}", imm8)); + let imm8 = imm8.to_u8(); codegen_inline_asm_inner( fx, @@ -1195,7 +1195,7 @@ pub(crate) fn codegen_x86_llvm_intrinsic_call<'tcx>( .span_fatal(span, "Func argument for `_mm_sha1rnds4_epu32` is not a constant"); }; - let func = func.try_to_u8().unwrap_or_else(|_| panic!("kind not scalar: {:?}", func)); + let func = func.to_u8(); codegen_inline_asm_inner( fx, diff --git a/compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs b/compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs index 65eeaf156d84..ca910dccb0d0 100644 --- a/compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs +++ b/compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs @@ -147,8 +147,7 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>( let total_len = lane_count * 2; - let indexes = - idx.iter().map(|idx| idx.unwrap_leaf().try_to_u32().unwrap()).collect::>(); + let indexes = idx.iter().map(|idx| idx.unwrap_leaf().to_u32()).collect::>(); for &idx in &indexes { assert!(u64::from(idx) < total_len, "idx {} out of range 0..{}", idx, total_len); @@ -282,9 +281,7 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>( fx.tcx.dcx().span_fatal(span, "Index argument for `simd_insert` is not a constant"); }; - let idx: u32 = idx_const - .try_to_u32() - .unwrap_or_else(|_| panic!("kind not scalar: {:?}", idx_const)); + let idx: u32 = idx_const.to_u32(); let (lane_count, _lane_ty) = base.layout().ty.simd_size_and_type(fx.tcx); if u64::from(idx) >= lane_count { fx.tcx.dcx().span_fatal( @@ -330,9 +327,7 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>( return; }; - let idx = idx_const - .try_to_u32() - .unwrap_or_else(|_| panic!("kind not scalar: {:?}", idx_const)); + let idx = idx_const.to_u32(); let (lane_count, _lane_ty) = v.layout().ty.simd_size_and_type(fx.tcx); if u64::from(idx) >= lane_count { fx.tcx.dcx().span_fatal( diff --git a/compiler/rustc_codegen_cranelift/src/value_and_place.rs b/compiler/rustc_codegen_cranelift/src/value_and_place.rs index 512a96450a4b..1aa28daeafc7 100644 --- a/compiler/rustc_codegen_cranelift/src/value_and_place.rs +++ b/compiler/rustc_codegen_cranelift/src/value_and_place.rs @@ -327,7 +327,7 @@ impl<'tcx> CValue<'tcx> { let val = match layout.ty.kind() { ty::Uint(UintTy::U128) | ty::Int(IntTy::I128) => { - let const_val = const_val.assert_bits(layout.size); + let const_val = const_val.to_bits(layout.size); let lsb = fx.bcx.ins().iconst(types::I64, const_val as u64 as i64); let msb = fx.bcx.ins().iconst(types::I64, (const_val >> 64) as u64 as i64); fx.bcx.ins().iconcat(lsb, msb) @@ -339,7 +339,7 @@ impl<'tcx> CValue<'tcx> { | ty::Ref(..) | ty::RawPtr(..) | ty::FnPtr(..) => { - let raw_val = const_val.size().truncate(const_val.assert_bits(layout.size)); + let raw_val = const_val.size().truncate(const_val.to_bits(layout.size)); fx.bcx.ins().iconst(clif_ty, raw_val as i64) } ty::Float(FloatTy::F32) => { diff --git a/compiler/rustc_codegen_gcc/src/common.rs b/compiler/rustc_codegen_gcc/src/common.rs index 78d943192db0..548c23cc7948 100644 --- a/compiler/rustc_codegen_gcc/src/common.rs +++ b/compiler/rustc_codegen_gcc/src/common.rs @@ -166,7 +166,7 @@ impl<'gcc, 'tcx> ConstMethods<'tcx> for CodegenCx<'gcc, 'tcx> { let bitsize = if layout.is_bool() { 1 } else { layout.size(self).bits() }; match cv { Scalar::Int(int) => { - let data = int.assert_bits(layout.size(self)); + let data = int.to_bits(layout.size(self)); // FIXME(antoyo): there's some issues with using the u128 code that follows, so hard-code // the paths for floating-point values. diff --git a/compiler/rustc_codegen_llvm/src/common.rs b/compiler/rustc_codegen_llvm/src/common.rs index ab8036a1410f..4ffc92eb6335 100644 --- a/compiler/rustc_codegen_llvm/src/common.rs +++ b/compiler/rustc_codegen_llvm/src/common.rs @@ -244,7 +244,7 @@ impl<'ll, 'tcx> ConstMethods<'tcx> for CodegenCx<'ll, 'tcx> { let bitsize = if layout.is_bool() { 1 } else { layout.size(self).bits() }; match cv { Scalar::Int(int) => { - let data = int.assert_bits(layout.size(self)); + let data = int.to_bits(layout.size(self)); let llval = self.const_uint_big(self.type_ix(bitsize), data); if matches!(layout.primitive(), Pointer(_)) { unsafe { llvm::LLVMConstIntToPtr(llval, llty) } diff --git a/compiler/rustc_codegen_llvm/src/intrinsic.rs b/compiler/rustc_codegen_llvm/src/intrinsic.rs index 7b1038d56176..5622c5e24200 100644 --- a/compiler/rustc_codegen_llvm/src/intrinsic.rs +++ b/compiler/rustc_codegen_llvm/src/intrinsic.rs @@ -1221,7 +1221,7 @@ fn generic_simd_intrinsic<'ll, 'tcx>( .iter() .enumerate() .map(|(arg_idx, val)| { - let idx = val.unwrap_leaf().try_to_i32().unwrap(); + let idx = val.unwrap_leaf().to_i32(); if idx >= i32::try_from(total_len).unwrap() { bx.sess().dcx().emit_err(InvalidMonomorphization::SimdIndexOutOfBounds { span, diff --git a/compiler/rustc_codegen_ssa/src/common.rs b/compiler/rustc_codegen_ssa/src/common.rs index e4a36b3f5918..27b0f127e926 100644 --- a/compiler/rustc_codegen_ssa/src/common.rs +++ b/compiler/rustc_codegen_ssa/src/common.rs @@ -163,7 +163,7 @@ pub fn asm_const_to_str<'tcx>( let mir::ConstValue::Scalar(scalar) = const_value else { span_bug!(sp, "expected Scalar for promoted asm const, but got {:#?}", const_value) }; - let value = scalar.assert_bits(ty_and_layout.size); + let value = scalar.assert_scalar_int().to_bits(ty_and_layout.size); match ty_and_layout.ty.kind() { ty::Uint(_) => value.to_string(), ty::Int(int_ty) => match int_ty.normalize(tcx.sess.target.pointer_width) { diff --git a/compiler/rustc_const_eval/src/const_eval/valtrees.rs b/compiler/rustc_const_eval/src/const_eval/valtrees.rs index 5312f1f946f5..66993476bef4 100644 --- a/compiler/rustc_const_eval/src/const_eval/valtrees.rs +++ b/compiler/rustc_const_eval/src/const_eval/valtrees.rs @@ -95,10 +95,10 @@ fn const_to_valtree_inner<'tcx>( } ty::Bool | ty::Int(_) | ty::Uint(_) | ty::Float(_) | ty::Char => { let val = ecx.read_immediate(place)?; - let val = val.to_scalar(); + let val = val.to_scalar_int().unwrap(); *num_nodes += 1; - Ok(ty::ValTree::Leaf(val.assert_int())) + Ok(ty::ValTree::Leaf(val)) } ty::Pat(base, ..) => { @@ -125,7 +125,7 @@ fn const_to_valtree_inner<'tcx>( let val = val.to_scalar(); // We are in the CTFE machine, so ptr-to-int casts will fail. // This can only be `Ok` if `val` already is an integer. - let Ok(val) = val.try_to_int() else { + let Ok(val) = val.try_to_scalar_int() else { return Err(ValTreeCreationError::NonSupportedType); }; // It's just a ScalarInt! @@ -411,7 +411,7 @@ fn valtree_into_mplace<'tcx>( ty::Adt(def, _) if def.is_enum() => { // First element of valtree corresponds to variant let scalar_int = branches[0].unwrap_leaf(); - let variant_idx = VariantIdx::from_u32(scalar_int.try_to_u32().unwrap()); + let variant_idx = VariantIdx::from_u32(scalar_int.to_u32()); let variant = def.variant(variant_idx); debug!(?variant); diff --git a/compiler/rustc_const_eval/src/interpret/discriminant.rs b/compiler/rustc_const_eval/src/interpret/discriminant.rs index 67fbf9642bf0..0dbee8c1d948 100644 --- a/compiler/rustc_const_eval/src/interpret/discriminant.rs +++ b/compiler/rustc_const_eval/src/interpret/discriminant.rs @@ -123,14 +123,14 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { // (`tag_bits` itself is only used for error messages below.) let tag_bits = tag_val .to_scalar() - .try_to_int() + .try_to_scalar_int() .map_err(|dbg_val| err_ub!(InvalidTag(dbg_val)))? - .assert_bits(tag_layout.size); + .to_bits(tag_layout.size); // Cast bits from tag layout to discriminant layout. // After the checks we did above, this cannot fail, as // discriminants are int-like. let discr_val = self.int_to_int_or_float(&tag_val, discr_layout).unwrap(); - let discr_bits = discr_val.to_scalar().assert_bits(discr_layout.size); + let discr_bits = discr_val.to_scalar().to_bits(discr_layout.size)?; // Convert discriminant to variant index, and catch invalid discriminants. let index = match *ty.kind() { ty::Adt(adt, _) => { @@ -152,7 +152,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { // discriminant (encoded in niche/tag) and variant index are the same. let variants_start = niche_variants.start().as_u32(); let variants_end = niche_variants.end().as_u32(); - let variant = match tag_val.try_to_int() { + let variant = match tag_val.try_to_scalar_int() { Err(dbg_val) => { // So this is a pointer then, and casting to an int failed. // Can only happen during CTFE. @@ -167,7 +167,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { untagged_variant } Ok(tag_bits) => { - let tag_bits = tag_bits.assert_bits(tag_layout.size); + let tag_bits = tag_bits.to_bits(tag_layout.size); // We need to use machine arithmetic to get the relative variant idx: // variant_index_relative = tag_val - niche_start_val let tag_val = ImmTy::from_uint(tag_bits, tag_layout); @@ -175,7 +175,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { let variant_index_relative_val = self.binary_op(mir::BinOp::Sub, &tag_val, &niche_start_val)?; let variant_index_relative = - variant_index_relative_val.to_scalar().assert_bits(tag_val.layout.size); + variant_index_relative_val.to_scalar().to_bits(tag_val.layout.size)?; // Check if this is in the range that indicates an actual discriminant. if variant_index_relative <= u128::from(variants_end - variants_start) { let variant_index_relative = u32::try_from(variant_index_relative) @@ -294,8 +294,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { ImmTy::from_uint(variant_index_relative, tag_layout); let tag = self .binary_op(mir::BinOp::Add, &variant_index_relative_val, &niche_start_val)? - .to_scalar() - .assert_int(); + .to_scalar_int()?; Ok(Some((tag, tag_field))) } } diff --git a/compiler/rustc_const_eval/src/interpret/intrinsics.rs b/compiler/rustc_const_eval/src/interpret/intrinsics.rs index 18b76443cd95..dac5c10addc2 100644 --- a/compiler/rustc_const_eval/src/interpret/intrinsics.rs +++ b/compiler/rustc_const_eval/src/interpret/intrinsics.rs @@ -519,7 +519,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { // `x % y != 0` or `y == 0` or `x == T::MIN && y == -1`. // First, check x % y != 0 (or if that computation overflows). let rem = self.binary_op(BinOp::Rem, a, b)?; - if rem.to_scalar().assert_bits(a.layout.size) != 0 { + if rem.to_scalar().to_bits(a.layout.size)? != 0 { throw_ub_custom!( fluent::const_eval_exact_div_has_remainder, a = format!("{a}"), diff --git a/compiler/rustc_const_eval/src/interpret/memory.rs b/compiler/rustc_const_eval/src/interpret/memory.rs index 521f28b7123e..7eb73e9b52f6 100644 --- a/compiler/rustc_const_eval/src/interpret/memory.rs +++ b/compiler/rustc_const_eval/src/interpret/memory.rs @@ -1344,7 +1344,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { /// Test if this value might be null. /// If the machine does not support ptr-to-int casts, this is conservative. pub fn scalar_may_be_null(&self, scalar: Scalar) -> InterpResult<'tcx, bool> { - Ok(match scalar.try_to_int() { + Ok(match scalar.try_to_scalar_int() { Ok(int) => int.is_null(), Err(_) => { // Can only happen during CTFE. diff --git a/compiler/rustc_const_eval/src/interpret/operand.rs b/compiler/rustc_const_eval/src/interpret/operand.rs index bbb2c2f39385..0a7e9853763f 100644 --- a/compiler/rustc_const_eval/src/interpret/operand.rs +++ b/compiler/rustc_const_eval/src/interpret/operand.rs @@ -87,6 +87,12 @@ impl Immediate { } } + #[inline] + #[cfg_attr(debug_assertions, track_caller)] // only in debug builds due to perf (see #98980) + pub fn to_scalar_int(self) -> ScalarInt { + self.to_scalar().try_to_scalar_int().unwrap() + } + #[inline] #[cfg_attr(debug_assertions, track_caller)] // only in debug builds due to perf (see #98980) pub fn to_scalar_pair(self) -> (Scalar, Scalar) { @@ -219,19 +225,11 @@ impl<'tcx, Prov: Provenance> ImmTy<'tcx, Prov> { Self::from_scalar(Scalar::from(s), layout) } - #[inline] - pub fn try_from_uint(i: impl Into, layout: TyAndLayout<'tcx>) -> Option { - Some(Self::from_scalar(Scalar::try_from_uint(i, layout.size)?, layout)) - } #[inline] pub fn from_uint(i: impl Into, layout: TyAndLayout<'tcx>) -> Self { Self::from_scalar(Scalar::from_uint(i, layout.size), layout) } - #[inline] - pub fn try_from_int(i: impl Into, layout: TyAndLayout<'tcx>) -> Option { - Some(Self::from_scalar(Scalar::try_from_int(i, layout.size)?, layout)) - } #[inline] pub fn from_int(i: impl Into, layout: TyAndLayout<'tcx>) -> Self { Self::from_scalar(Scalar::from_int(i, layout.size), layout) @@ -276,7 +274,8 @@ impl<'tcx, Prov: Provenance> ImmTy<'tcx, Prov> { #[inline] pub fn to_const_int(self) -> ConstInt { assert!(self.layout.ty.is_integral()); - let int = self.to_scalar().assert_int(); + let int = self.imm.to_scalar_int(); + assert_eq!(int.size(), self.layout.size); ConstInt::new(int, self.layout.ty.is_signed(), self.layout.ty.is_ptr_sized_integral()) } diff --git a/compiler/rustc_const_eval/src/interpret/operator.rs b/compiler/rustc_const_eval/src/interpret/operator.rs index 6d005dfcd864..c821c98073d7 100644 --- a/compiler/rustc_const_eval/src/interpret/operator.rs +++ b/compiler/rustc_const_eval/src/interpret/operator.rs @@ -95,10 +95,10 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { let l = left.to_scalar_int()?; let r = right.to_scalar_int()?; // Prepare to convert the values to signed or unsigned form. - let l_signed = || l.assert_int(left.layout.size); - let l_unsigned = || l.assert_uint(left.layout.size); - let r_signed = || r.assert_int(right.layout.size); - let r_unsigned = || r.assert_uint(right.layout.size); + let l_signed = || l.to_int(left.layout.size); + let l_unsigned = || l.to_uint(left.layout.size); + let r_signed = || r.to_int(right.layout.size); + let r_unsigned = || r.to_uint(right.layout.size); let throw_ub_on_overflow = match bin_op { AddUnchecked => Some(sym::unchecked_add), diff --git a/compiler/rustc_const_eval/src/interpret/validity.rs b/compiler/rustc_const_eval/src/interpret/validity.rs index 3407c7b8c792..f532f6bbe371 100644 --- a/compiler/rustc_const_eval/src/interpret/validity.rs +++ b/compiler/rustc_const_eval/src/interpret/validity.rs @@ -653,8 +653,8 @@ impl<'rt, 'tcx, M: Machine<'tcx>> ValidityVisitor<'rt, 'tcx, M> { let WrappingRange { start, end } = valid_range; let max_value = size.unsigned_int_max(); assert!(end <= max_value); - let bits = match scalar.try_to_int() { - Ok(int) => int.assert_bits(size), + let bits = match scalar.try_to_scalar_int() { + Ok(int) => int.to_bits(size), Err(_) => { // So this is a pointer then, and casting to an int failed. // Can only happen during CTFE. diff --git a/compiler/rustc_hir_typeck/src/pat.rs b/compiler/rustc_hir_typeck/src/pat.rs index be91e7d45b61..9476dc704831 100644 --- a/compiler/rustc_hir_typeck/src/pat.rs +++ b/compiler/rustc_hir_typeck/src/pat.rs @@ -2385,11 +2385,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { min_len: u64, ) -> (Option>, Ty<'tcx>) { let len = match len.eval(self.tcx, self.param_env, span) { - // FIXME(BoxyUwU): Assert the `Ty` is a `usize`? Ok((_, val)) => val .try_to_scalar() - .and_then(|scalar| scalar.try_to_int().ok()) - .and_then(|int| int.try_to_target_usize(self.tcx).ok()), + .and_then(|scalar| scalar.try_to_scalar_int().ok()) + .map(|int| int.to_target_usize(self.tcx)), Err(ErrorHandled::Reported(..)) => { let guar = self.error_scrutinee_unfixed_length(span); return (Some(Ty::new_error(self.tcx, guar)), arr_ty); diff --git a/compiler/rustc_middle/src/mir/consts.rs b/compiler/rustc_middle/src/mir/consts.rs index cc8979dd990e..89f5acacf9d1 100644 --- a/compiler/rustc_middle/src/mir/consts.rs +++ b/compiler/rustc_middle/src/mir/consts.rs @@ -84,11 +84,11 @@ impl<'tcx> ConstValue<'tcx> { } pub fn try_to_scalar_int(&self) -> Option { - self.try_to_scalar()?.try_to_int().ok() + self.try_to_scalar()?.try_to_scalar_int().ok() } pub fn try_to_bits(&self, size: Size) -> Option { - self.try_to_scalar_int()?.try_to_bits(size).ok() + Some(self.try_to_scalar_int()?.to_bits(size)) } pub fn try_to_bool(&self) -> Option { @@ -96,7 +96,7 @@ impl<'tcx> ConstValue<'tcx> { } pub fn try_to_target_usize(&self, tcx: TyCtxt<'tcx>) -> Option { - self.try_to_scalar_int()?.try_to_target_usize(tcx).ok() + Some(self.try_to_scalar_int()?.to_target_usize(tcx)) } pub fn try_to_bits_for_ty( @@ -300,7 +300,7 @@ impl<'tcx> Const<'tcx> { #[inline] pub fn try_to_bits(self, size: Size) -> Option { - self.try_to_scalar_int()?.try_to_bits(size).ok() + Some(self.try_to_scalar_int()?.to_bits(size)) } #[inline] @@ -367,7 +367,7 @@ impl<'tcx> Const<'tcx> { tcx: TyCtxt<'tcx>, param_env: ty::ParamEnv<'tcx>, ) -> Option { - self.try_eval_scalar(tcx, param_env)?.try_to_int().ok() + self.try_eval_scalar(tcx, param_env)?.try_to_scalar_int().ok() } #[inline] @@ -375,7 +375,7 @@ impl<'tcx> Const<'tcx> { let int = self.try_eval_scalar_int(tcx, param_env)?; let size = tcx.layout_of(param_env.with_reveal_all_normalized(tcx).and(self.ty())).ok()?.size; - int.try_to_bits(size).ok() + Some(int.to_bits(size)) } /// Panics if the value cannot be evaluated or doesn't contain a valid integer of the given type. @@ -391,7 +391,7 @@ impl<'tcx> Const<'tcx> { tcx: TyCtxt<'tcx>, param_env: ty::ParamEnv<'tcx>, ) -> Option { - self.try_eval_scalar_int(tcx, param_env)?.try_to_target_usize(tcx).ok() + Some(self.try_eval_scalar_int(tcx, param_env)?.to_target_usize(tcx)) } #[inline] diff --git a/compiler/rustc_middle/src/mir/interpret/value.rs b/compiler/rustc_middle/src/mir/interpret/value.rs index 853572656879..70e5ad0635ba 100644 --- a/compiler/rustc_middle/src/mir/interpret/value.rs +++ b/compiler/rustc_middle/src/mir/interpret/value.rs @@ -122,16 +122,12 @@ impl Scalar { Scalar::Int(c.into()) } - #[inline] - pub fn try_from_uint(i: impl Into, size: Size) -> Option { - ScalarInt::try_from_uint(i, size).map(Scalar::Int) - } - #[inline] pub fn from_uint(i: impl Into, size: Size) -> Self { let i = i.into(); - Self::try_from_uint(i, size) + ScalarInt::try_from_uint(i, size) .unwrap_or_else(|| bug!("Unsigned value {:#x} does not fit in {} bits", i, size.bits())) + .into() } #[inline] @@ -164,16 +160,12 @@ impl Scalar { Self::from_uint(i, cx.data_layout().pointer_size) } - #[inline] - pub fn try_from_int(i: impl Into, size: Size) -> Option { - ScalarInt::try_from_int(i, size).map(Scalar::Int) - } - #[inline] pub fn from_int(i: impl Into, size: Size) -> Self { let i = i.into(); - Self::try_from_int(i, size) + ScalarInt::try_from_int(i, size) .unwrap_or_else(|| bug!("Signed value {:#x} does not fit in {} bits", i, size.bits())) + .into() } #[inline] @@ -227,7 +219,7 @@ impl Scalar { } /// This is almost certainly not the method you want! You should dispatch on the type - /// and use `to_{u8,u16,...}`/`scalar_to_ptr` to perform ptr-to-int / int-to-ptr casts as needed. + /// and use `to_{u8,u16,...}`/`to_pointer` to perform ptr-to-int / int-to-ptr casts as needed. /// /// This method only exists for the benefit of low-level operations that truly need to treat the /// scalar in whatever form it is. @@ -289,7 +281,7 @@ impl<'tcx, Prov: Provenance> Scalar { /// The error type is `AllocId`, not `CtfeProvenance`, since `AllocId` is the "minimal" /// component all provenance types must have. #[inline] - pub fn try_to_int(self) -> Result> { + pub fn try_to_scalar_int(self) -> Result> { match self { Scalar::Int(int) => Ok(int), Scalar::Ptr(ptr, sz) => { @@ -307,13 +299,13 @@ impl<'tcx, Prov: Provenance> Scalar { #[inline(always)] pub fn to_scalar_int(self) -> InterpResult<'tcx, ScalarInt> { - self.try_to_int().map_err(|_| err_unsup!(ReadPointerAsInt(None)).into()) + self.try_to_scalar_int().map_err(|_| err_unsup!(ReadPointerAsInt(None)).into()) } #[inline(always)] #[cfg_attr(debug_assertions, track_caller)] // only in debug builds due to perf (see #98980) - pub fn assert_int(self) -> ScalarInt { - self.try_to_int().unwrap() + pub fn assert_scalar_int(self) -> ScalarInt { + self.try_to_scalar_int().expect("got a pointer where a ScalarInt was expected") } /// This throws UB (instead of ICEing) on a size mismatch since size mismatches can arise in @@ -330,13 +322,6 @@ impl<'tcx, Prov: Provenance> Scalar { }) } - #[inline(always)] - #[cfg_attr(debug_assertions, track_caller)] // only in debug builds due to perf (see #98980) - pub fn assert_bits(self, target_size: Size) -> u128 { - self.to_bits(target_size) - .unwrap_or_else(|_| panic!("assertion failed: {self:?} fits {target_size:?}")) - } - pub fn to_bool(self) -> InterpResult<'tcx, bool> { let val = self.to_u8()?; match val { diff --git a/compiler/rustc_middle/src/thir.rs b/compiler/rustc_middle/src/thir.rs index 454897aa6720..7c8b0ec671a4 100644 --- a/compiler/rustc_middle/src/thir.rs +++ b/compiler/rustc_middle/src/thir.rs @@ -1033,8 +1033,8 @@ impl<'tcx> PatRangeBoundary<'tcx> { if let (Some(a), Some(b)) = (a.try_to_scalar_int(), b.try_to_scalar_int()) { let sz = ty.primitive_size(tcx); let cmp = match ty.kind() { - ty::Uint(_) | ty::Char => a.assert_uint(sz).cmp(&b.assert_uint(sz)), - ty::Int(_) => a.assert_int(sz).cmp(&b.assert_int(sz)), + ty::Uint(_) | ty::Char => a.to_uint(sz).cmp(&b.to_uint(sz)), + ty::Int(_) => a.to_int(sz).cmp(&b.to_int(sz)), _ => unreachable!(), }; return Some(cmp); diff --git a/compiler/rustc_middle/src/ty/consts.rs b/compiler/rustc_middle/src/ty/consts.rs index cc1daeb64191..12f0c38b054a 100644 --- a/compiler/rustc_middle/src/ty/consts.rs +++ b/compiler/rustc_middle/src/ty/consts.rs @@ -376,7 +376,7 @@ impl<'tcx> Const<'tcx> { param_env: ParamEnv<'tcx>, ) -> Option<(Ty<'tcx>, ScalarInt)> { let (ty, scalar) = self.try_eval_scalar(tcx, param_env)?; - let val = scalar.try_to_int().ok()?; + let val = scalar.try_to_scalar_int().ok()?; Some((ty, val)) } @@ -388,7 +388,7 @@ impl<'tcx> Const<'tcx> { let (ty, scalar) = self.try_eval_scalar_int(tcx, param_env)?; let size = tcx.layout_of(param_env.with_reveal_all_normalized(tcx).and(ty)).ok()?.size; // if `ty` does not depend on generic parameters, use an empty param_env - scalar.try_to_bits(size).ok() + Some(scalar.to_bits(size)) } #[inline] @@ -405,7 +405,7 @@ impl<'tcx> Const<'tcx> { param_env: ParamEnv<'tcx>, ) -> Option { let (_, scalar) = self.try_eval_scalar_int(tcx, param_env)?; - scalar.try_to_target_usize(tcx).ok() + Some(scalar.to_target_usize(tcx)) } #[inline] diff --git a/compiler/rustc_middle/src/ty/consts/int.rs b/compiler/rustc_middle/src/ty/consts/int.rs index 40ac87873a0a..52320dd141ba 100644 --- a/compiler/rustc_middle/src/ty/consts/int.rs +++ b/compiler/rustc_middle/src/ty/consts/int.rs @@ -246,6 +246,10 @@ impl ScalarInt { Self::try_from_uint(i, tcx.data_layout.pointer_size) } + /// Try to convert this ScalarInt to the raw underlying bits. + /// Fails if the size is wrong. Generally a wrong size should lead to a panic, + /// but Miri sometimes wants to be resilient to size mismatches, + /// so the interpreter will generally use this `try` method. #[inline] pub fn try_to_bits(self, target_size: Size) -> Result { assert_ne!(target_size.bytes(), 0, "you should never look at the bits of a ZST"); @@ -258,165 +262,149 @@ impl ScalarInt { } #[inline] - pub fn assert_bits(self, target_size: Size) -> u128 { + pub fn to_bits(self, target_size: Size) -> u128 { self.try_to_bits(target_size).unwrap_or_else(|size| { bug!("expected int of size {}, but got size {}", target_size.bytes(), size.bytes()) }) } - /// Tries to convert the `ScalarInt` to an unsigned integer of the given size. - /// Fails if the size of the `ScalarInt` is not equal to `size` and returns the - /// `ScalarInt`s size in that case. + /// Extracts the bits from the scalar without checking the size. #[inline] - pub fn try_to_uint(self, size: Size) -> Result { - self.try_to_bits(size) + pub fn to_bits_unchecked(self) -> u128 { + self.check_data(); + self.data + } + + /// Converts the `ScalarInt` to an unsigned integer of the given size. + /// Panics if the size of the `ScalarInt` is not equal to `size`. + #[inline] + pub fn to_uint(self, size: Size) -> u128 { + self.to_bits(size) + } + + /// Converts the `ScalarInt` to `u8`. + /// Panics if the `size` of the `ScalarInt`in not equal to 1 byte. + #[inline] + pub fn to_u8(self) -> u8 { + self.to_uint(Size::from_bits(8)).try_into().unwrap() + } + + /// Converts the `ScalarInt` to `u16`. + /// Panics if the size of the `ScalarInt` in not equal to 2 bytes. + #[inline] + pub fn to_u16(self) -> u16 { + self.to_uint(Size::from_bits(16)).try_into().unwrap() + } + + /// Converts the `ScalarInt` to `u32`. + /// Panics if the `size` of the `ScalarInt` in not equal to 4 bytes. + #[inline] + pub fn to_u32(self) -> u32 { + self.to_uint(Size::from_bits(32)).try_into().unwrap() + } + + /// Converts the `ScalarInt` to `u64`. + /// Panics if the `size` of the `ScalarInt` in not equal to 8 bytes. + #[inline] + pub fn to_u64(self) -> u64 { + self.to_uint(Size::from_bits(64)).try_into().unwrap() + } + + /// Converts the `ScalarInt` to `u128`. + /// Panics if the `size` of the `ScalarInt` in not equal to 16 bytes. + #[inline] + pub fn to_u128(self) -> u128 { + self.to_uint(Size::from_bits(128)) } #[inline] - pub fn assert_uint(self, size: Size) -> u128 { - self.assert_bits(size) + pub fn to_target_usize(&self, tcx: TyCtxt<'_>) -> u64 { + self.to_uint(tcx.data_layout.pointer_size).try_into().unwrap() } - // Tries to convert the `ScalarInt` to `u8`. Fails if the `size` of the `ScalarInt` - // in not equal to 1 byte and returns the `size` value of the `ScalarInt` in - // that case. + /// Converts the `ScalarInt` to `bool`. + /// Panics if the `size` of the `ScalarInt` is not equal to 1 byte. + /// Errors if it is not a valid `bool`. #[inline] - pub fn try_to_u8(self) -> Result { - self.try_to_uint(Size::from_bits(8)).map(|v| u8::try_from(v).unwrap()) - } - - /// Tries to convert the `ScalarInt` to `u16`. Fails if the size of the `ScalarInt` - /// in not equal to 2 bytes and returns the `size` value of the `ScalarInt` in - /// that case. - #[inline] - pub fn try_to_u16(self) -> Result { - self.try_to_uint(Size::from_bits(16)).map(|v| u16::try_from(v).unwrap()) - } - - /// Tries to convert the `ScalarInt` to `u32`. Fails if the `size` of the `ScalarInt` - /// in not equal to 4 bytes and returns the `size` value of the `ScalarInt` in - /// that case. - #[inline] - pub fn try_to_u32(self) -> Result { - self.try_to_uint(Size::from_bits(32)).map(|v| u32::try_from(v).unwrap()) - } - - /// Tries to convert the `ScalarInt` to `u64`. Fails if the `size` of the `ScalarInt` - /// in not equal to 8 bytes and returns the `size` value of the `ScalarInt` in - /// that case. - #[inline] - pub fn try_to_u64(self) -> Result { - self.try_to_uint(Size::from_bits(64)).map(|v| u64::try_from(v).unwrap()) - } - - /// Tries to convert the `ScalarInt` to `u128`. Fails if the `size` of the `ScalarInt` - /// in not equal to 16 bytes and returns the `size` value of the `ScalarInt` in - /// that case. - #[inline] - pub fn try_to_u128(self) -> Result { - self.try_to_uint(Size::from_bits(128)) - } - - #[inline] - pub fn try_to_target_usize(&self, tcx: TyCtxt<'_>) -> Result { - self.try_to_uint(tcx.data_layout.pointer_size).map(|v| u64::try_from(v).unwrap()) - } - - // Tries to convert the `ScalarInt` to `bool`. Fails if the `size` of the `ScalarInt` - // in not equal to 1 byte or if the value is not 0 or 1 and returns the `size` - // value of the `ScalarInt` in that case. - #[inline] - pub fn try_to_bool(self) -> Result { - match self.try_to_u8()? { + pub fn try_to_bool(self) -> Result { + match self.to_u8() { 0 => Ok(false), 1 => Ok(true), - _ => Err(self.size()), + _ => Err(()), } } - /// Tries to convert the `ScalarInt` to a signed integer of the given size. - /// Fails if the size of the `ScalarInt` is not equal to `size` and returns the - /// `ScalarInt`s size in that case. + /// Converts the `ScalarInt` to a signed integer of the given size. + /// Panics if the size of the `ScalarInt` is not equal to `size`. #[inline] - pub fn try_to_int(self, size: Size) -> Result { - let b = self.try_to_bits(size)?; - Ok(size.sign_extend(b) as i128) - } - - #[inline] - pub fn assert_int(self, size: Size) -> i128 { - let b = self.assert_bits(size); + pub fn to_int(self, size: Size) -> i128 { + let b = self.to_bits(size); size.sign_extend(b) as i128 } - /// Tries to convert the `ScalarInt` to i8. - /// Fails if the size of the `ScalarInt` is not equal to 1 byte - /// and returns the `ScalarInt`s size in that case. - pub fn try_to_i8(self) -> Result { - self.try_to_int(Size::from_bits(8)).map(|v| i8::try_from(v).unwrap()) + /// Converts the `ScalarInt` to i8. + /// Panics if the size of the `ScalarInt` is not equal to 1 byte. + pub fn to_i8(self) -> i8 { + self.to_int(Size::from_bits(8)).try_into().unwrap() } - /// Tries to convert the `ScalarInt` to i16. - /// Fails if the size of the `ScalarInt` is not equal to 2 bytes - /// and returns the `ScalarInt`s size in that case. - pub fn try_to_i16(self) -> Result { - self.try_to_int(Size::from_bits(16)).map(|v| i16::try_from(v).unwrap()) + /// Converts the `ScalarInt` to i16. + /// Panics if the size of the `ScalarInt` is not equal to 2 bytes. + pub fn to_i16(self) -> i16 { + self.to_int(Size::from_bits(16)).try_into().unwrap() } - /// Tries to convert the `ScalarInt` to i32. - /// Fails if the size of the `ScalarInt` is not equal to 4 bytes - /// and returns the `ScalarInt`s size in that case. - pub fn try_to_i32(self) -> Result { - self.try_to_int(Size::from_bits(32)).map(|v| i32::try_from(v).unwrap()) + /// Converts the `ScalarInt` to i32. + /// Panics if the size of the `ScalarInt` is not equal to 4 bytes. + pub fn to_i32(self) -> i32 { + self.to_int(Size::from_bits(32)).try_into().unwrap() } - /// Tries to convert the `ScalarInt` to i64. - /// Fails if the size of the `ScalarInt` is not equal to 8 bytes - /// and returns the `ScalarInt`s size in that case. - pub fn try_to_i64(self) -> Result { - self.try_to_int(Size::from_bits(64)).map(|v| i64::try_from(v).unwrap()) + /// Converts the `ScalarInt` to i64. + /// Panics if the size of the `ScalarInt` is not equal to 8 bytes. + pub fn to_i64(self) -> i64 { + self.to_int(Size::from_bits(64)).try_into().unwrap() } - /// Tries to convert the `ScalarInt` to i128. - /// Fails if the size of the `ScalarInt` is not equal to 16 bytes - /// and returns the `ScalarInt`s size in that case. - pub fn try_to_i128(self) -> Result { - self.try_to_int(Size::from_bits(128)) + /// Converts the `ScalarInt` to i128. + /// Panics if the size of the `ScalarInt` is not equal to 16 bytes. + pub fn to_i128(self) -> i128 { + self.to_int(Size::from_bits(128)) } #[inline] - pub fn try_to_target_isize(&self, tcx: TyCtxt<'_>) -> Result { - self.try_to_int(tcx.data_layout.pointer_size).map(|v| i64::try_from(v).unwrap()) + pub fn to_target_isize(&self, tcx: TyCtxt<'_>) -> i64 { + self.to_int(tcx.data_layout.pointer_size).try_into().unwrap() } #[inline] - pub fn try_to_float(self) -> Result { + pub fn to_float(self) -> F { // Going through `to_uint` to check size and truncation. - Ok(F::from_bits(self.try_to_bits(Size::from_bits(F::BITS))?)) + F::from_bits(self.to_bits(Size::from_bits(F::BITS))) } #[inline] - pub fn try_to_f16(self) -> Result { - self.try_to_float() + pub fn to_f16(self) -> Half { + self.to_float() } #[inline] - pub fn try_to_f32(self) -> Result { - self.try_to_float() + pub fn to_f32(self) -> Single { + self.to_float() } #[inline] - pub fn try_to_f64(self) -> Result { - self.try_to_float() + pub fn to_f64(self) -> Double { + self.to_float() } #[inline] - pub fn try_to_f128(self) -> Result { - self.try_to_float() + pub fn to_f128(self) -> Quad { + self.to_float() } } -macro_rules! from { +macro_rules! from_x_for_scalar_int { ($($ty:ty),*) => { $( impl From<$ty> for ScalarInt { @@ -432,30 +420,29 @@ macro_rules! from { } } -macro_rules! try_from { +macro_rules! from_scalar_int_for_x { ($($ty:ty),*) => { $( - impl TryFrom for $ty { - type Error = Size; + impl From for $ty { #[inline] - fn try_from(int: ScalarInt) -> Result { + fn from(int: ScalarInt) -> Self { // The `unwrap` cannot fail because to_bits (if it succeeds) // is guaranteed to return a value that fits into the size. - int.try_to_bits(Size::from_bytes(std::mem::size_of::<$ty>())) - .map(|u| u.try_into().unwrap()) + int.to_bits(Size::from_bytes(std::mem::size_of::<$ty>())) + .try_into().unwrap() } } )* } } -from!(u8, u16, u32, u64, u128, bool); -try_from!(u8, u16, u32, u64, u128); +from_x_for_scalar_int!(u8, u16, u32, u64, u128, bool); +from_scalar_int_for_x!(u8, u16, u32, u64, u128); impl TryFrom for bool { - type Error = Size; + type Error = (); #[inline] - fn try_from(int: ScalarInt) -> Result { + fn try_from(int: ScalarInt) -> Result { int.try_to_bool() } } @@ -463,7 +450,7 @@ impl TryFrom for bool { impl From for ScalarInt { #[inline] fn from(c: char) -> Self { - Self { data: c as u128, size: NonZero::new(std::mem::size_of::() as u8).unwrap() } + (c as u32).into() } } @@ -476,10 +463,7 @@ impl TryFrom for char { #[inline] fn try_from(int: ScalarInt) -> Result { - let Ok(bits) = int.try_to_bits(Size::from_bytes(std::mem::size_of::())) else { - return Err(CharTryFromScalarInt); - }; - match char::from_u32(bits.try_into().unwrap()) { + match char::from_u32(int.to_u32()) { Some(c) => Ok(c), None => Err(CharTryFromScalarInt), } @@ -494,11 +478,10 @@ impl From for ScalarInt { } } -impl TryFrom for Half { - type Error = Size; +impl From for Half { #[inline] - fn try_from(int: ScalarInt) -> Result { - int.try_to_bits(Size::from_bytes(2)).map(Self::from_bits) + fn from(int: ScalarInt) -> Self { + Self::from_bits(int.to_bits(Size::from_bytes(2))) } } @@ -510,11 +493,10 @@ impl From for ScalarInt { } } -impl TryFrom for Single { - type Error = Size; +impl From for Single { #[inline] - fn try_from(int: ScalarInt) -> Result { - int.try_to_bits(Size::from_bytes(4)).map(Self::from_bits) + fn from(int: ScalarInt) -> Self { + Self::from_bits(int.to_bits(Size::from_bytes(4))) } } @@ -526,11 +508,10 @@ impl From for ScalarInt { } } -impl TryFrom for Double { - type Error = Size; +impl From for Double { #[inline] - fn try_from(int: ScalarInt) -> Result { - int.try_to_bits(Size::from_bytes(8)).map(Self::from_bits) + fn from(int: ScalarInt) -> Self { + Self::from_bits(int.to_bits(Size::from_bytes(8))) } } @@ -542,11 +523,10 @@ impl From for ScalarInt { } } -impl TryFrom for Quad { - type Error = Size; +impl From for Quad { #[inline] - fn try_from(int: ScalarInt) -> Result { - int.try_to_bits(Size::from_bytes(16)).map(Self::from_bits) + fn from(int: ScalarInt) -> Self { + Self::from_bits(int.to_bits(Size::from_bytes(16))) } } diff --git a/compiler/rustc_middle/src/ty/consts/valtree.rs b/compiler/rustc_middle/src/ty/consts/valtree.rs index 96bc5515a569..efc91357af8c 100644 --- a/compiler/rustc_middle/src/ty/consts/valtree.rs +++ b/compiler/rustc_middle/src/ty/consts/valtree.rs @@ -79,7 +79,7 @@ impl<'tcx> ValTree<'tcx> { } pub fn try_to_target_usize(self, tcx: TyCtxt<'tcx>) -> Option { - self.try_to_scalar_int().and_then(|s| s.try_to_target_usize(tcx).ok()) + self.try_to_scalar_int().map(|s| s.to_target_usize(tcx)) } /// Get the values inside the ValTree as a slice of bytes. This only works for @@ -100,8 +100,9 @@ impl<'tcx> ValTree<'tcx> { _ => return None, } - Some(tcx.arena.alloc_from_iter( - self.unwrap_branch().into_iter().map(|v| v.unwrap_leaf().try_to_u8().unwrap()), - )) + Some( + tcx.arena + .alloc_from_iter(self.unwrap_branch().into_iter().map(|v| v.unwrap_leaf().to_u8())), + ) } } diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs index 49d46eb3c4bf..662eafd0ccb6 100644 --- a/compiler/rustc_middle/src/ty/print/pretty.rs +++ b/compiler/rustc_middle/src/ty/print/pretty.rs @@ -1652,7 +1652,7 @@ pub trait PrettyPrinter<'tcx>: Printer<'tcx> + fmt::Write { if let ty::ConstKind::Value(_, ty::ValTree::Leaf(int)) = len.kind() { match self.tcx().try_get_global_alloc(prov.alloc_id()) { Some(GlobalAlloc::Memory(alloc)) => { - let len = int.assert_bits(self.tcx().data_layout.pointer_size); + let len = int.to_bits(self.tcx().data_layout.pointer_size); let range = AllocRange { start: offset, size: Size::from_bytes(len) }; if let Ok(byte_str) = @@ -1730,7 +1730,7 @@ pub trait PrettyPrinter<'tcx>: Printer<'tcx> + fmt::Write { } // Pointer types ty::Ref(..) | ty::RawPtr(_, _) | ty::FnPtr(_) => { - let data = int.assert_bits(self.tcx().data_layout.pointer_size); + let data = int.to_bits(self.tcx().data_layout.pointer_size); self.typed_value( |this| { write!(this, "0x{data:x}")?; diff --git a/compiler/rustc_mir_build/src/build/mod.rs b/compiler/rustc_mir_build/src/build/mod.rs index 193f0d124bb8..601e5d4d3dc7 100644 --- a/compiler/rustc_mir_build/src/build/mod.rs +++ b/compiler/rustc_mir_build/src/build/mod.rs @@ -15,11 +15,10 @@ use rustc_index::{Idx, IndexSlice, IndexVec}; use rustc_infer::infer::{InferCtxt, TyCtxtInferExt}; use rustc_middle::hir::place::PlaceBase as HirPlaceBase; use rustc_middle::middle::region; -use rustc_middle::mir::interpret::Scalar; use rustc_middle::mir::*; use rustc_middle::query::TyCtxtAt; use rustc_middle::thir::{self, ExprId, LintLevel, LocalVarId, Param, ParamId, PatKind, Thir}; -use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitableExt}; +use rustc_middle::ty::{self, ScalarInt, Ty, TyCtxt, TypeVisitableExt}; use rustc_middle::{bug, span_bug}; use rustc_span::symbol::sym; use rustc_span::Span; @@ -1014,14 +1013,14 @@ fn parse_float_into_constval<'tcx>( float_ty: ty::FloatTy, neg: bool, ) -> Option> { - parse_float_into_scalar(num, float_ty, neg).map(ConstValue::Scalar) + parse_float_into_scalar(num, float_ty, neg).map(|s| ConstValue::Scalar(s.into())) } pub(crate) fn parse_float_into_scalar( num: Symbol, float_ty: ty::FloatTy, neg: bool, -) -> Option { +) -> Option { let num = num.as_str(); match float_ty { // FIXME(f16_f128): When available, compare to the library parser as with `f32` and `f64` @@ -1030,7 +1029,7 @@ pub(crate) fn parse_float_into_scalar( if neg { f = -f; } - Some(Scalar::from_f16(f)) + Some(ScalarInt::from(f)) } ty::FloatTy::F32 => { let Ok(rust_f) = num.parse::() else { return None }; @@ -1053,7 +1052,7 @@ pub(crate) fn parse_float_into_scalar( f = -f; } - Some(Scalar::from_f32(f)) + Some(ScalarInt::from(f)) } ty::FloatTy::F64 => { let Ok(rust_f) = num.parse::() else { return None }; @@ -1076,7 +1075,7 @@ pub(crate) fn parse_float_into_scalar( f = -f; } - Some(Scalar::from_f64(f)) + Some(ScalarInt::from(f)) } // FIXME(f16_f128): When available, compare to the library parser as with `f32` and `f64` ty::FloatTy::F128 => { @@ -1084,7 +1083,7 @@ pub(crate) fn parse_float_into_scalar( if neg { f = -f; } - Some(Scalar::from_f128(f)) + Some(ScalarInt::from(f)) } } } diff --git a/compiler/rustc_mir_build/src/thir/constant.rs b/compiler/rustc_mir_build/src/thir/constant.rs index 31bc72184caa..a98e046d4dc0 100644 --- a/compiler/rustc_mir_build/src/thir/constant.rs +++ b/compiler/rustc_mir_build/src/thir/constant.rs @@ -58,11 +58,9 @@ pub(crate) fn lit_to_const<'tcx>( } (ast::LitKind::Bool(b), ty::Bool) => ty::ValTree::from_scalar_int((*b).into()), (ast::LitKind::Float(n, _), ty::Float(fty)) => { - let bits = parse_float_into_scalar(*n, *fty, neg) - .ok_or_else(|| { - tcx.dcx().bug(format!("couldn't parse float literal: {:?}", lit_input.lit)) - })? - .assert_int(); + let bits = parse_float_into_scalar(*n, *fty, neg).ok_or_else(|| { + tcx.dcx().bug(format!("couldn't parse float literal: {:?}", lit_input.lit)) + })?; ty::ValTree::from_scalar_int(bits) } (ast::LitKind::Char(c), ty::Char) => ty::ValTree::from_scalar_int((*c).into()), diff --git a/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs b/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs index 36495101d3f4..192d706bce2c 100644 --- a/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs +++ b/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs @@ -282,8 +282,7 @@ impl<'tcx> ConstToPat<'tcx> { } ty::Adt(adt_def, args) if adt_def.is_enum() => { let (&variant_index, fields) = cv.unwrap_branch().split_first().unwrap(); - let variant_index = - VariantIdx::from_u32(variant_index.unwrap_leaf().try_to_u32().ok().unwrap()); + let variant_index = VariantIdx::from_u32(variant_index.unwrap_leaf().to_u32()); PatKind::Variant { adt_def: *adt_def, args, @@ -371,8 +370,8 @@ impl<'tcx> ConstToPat<'tcx> { let v = cv.unwrap_leaf(); let is_nan = match flt { ty::FloatTy::F16 => unimplemented!("f16_f128"), - ty::FloatTy::F32 => v.try_to_f32().unwrap().is_nan(), - ty::FloatTy::F64 => v.try_to_f64().unwrap().is_nan(), + ty::FloatTy::F32 => v.to_f32().is_nan(), + ty::FloatTy::F64 => v.to_f64().is_nan(), ty::FloatTy::F128 => unimplemented!("f16_f128"), }; if is_nan { diff --git a/compiler/rustc_mir_transform/src/dataflow_const_prop.rs b/compiler/rustc_mir_transform/src/dataflow_const_prop.rs index eba5d13d33f6..0fd85eb345d0 100644 --- a/compiler/rustc_mir_transform/src/dataflow_const_prop.rs +++ b/compiler/rustc_mir_transform/src/dataflow_const_prop.rs @@ -326,7 +326,7 @@ impl<'tcx> ValueAnalysis<'tcx> for ConstAnalysis<'_, 'tcx> { // This allows the set of visited edges to grow monotonically with the lattice. FlatSet::Bottom => TerminatorEdges::None, FlatSet::Elem(scalar) => { - let choice = scalar.assert_bits(scalar.size()); + let choice = scalar.assert_scalar_int().to_bits_unchecked(); TerminatorEdges::Single(targets.target_for_value(choice)) } FlatSet::Top => TerminatorEdges::SwitchInt { discr, targets }, @@ -609,7 +609,7 @@ fn propagatable_scalar( map: &Map, ) -> Option { if let FlatSet::Elem(value) = state.get_idx(place, map) - && value.try_to_int().is_ok() + && value.try_to_scalar_int().is_ok() { // Do not attempt to propagate pointers, as we may fail to preserve their identity. Some(value) @@ -670,7 +670,7 @@ fn try_write_constant<'tcx>( let FlatSet::Elem(Scalar::Int(discr)) = state.get_idx(discr, map) else { throw_machine_stop_str!("discriminant with provenance") }; - let discr_bits = discr.assert_bits(discr.size()); + let discr_bits = discr.to_bits(discr.size()); let Some((variant, _)) = def.discriminants(*ecx.tcx).find(|(_, var)| discr_bits == var.val) else { throw_machine_stop_str!("illegal discriminant for enum") }; diff --git a/compiler/rustc_mir_transform/src/gvn.rs b/compiler/rustc_mir_transform/src/gvn.rs index ebfb372329ee..ab7b210b4d02 100644 --- a/compiler/rustc_mir_transform/src/gvn.rs +++ b/compiler/rustc_mir_transform/src/gvn.rs @@ -471,7 +471,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { let slice = self.evaluated[slice].as_ref()?; let usize_layout = self.ecx.layout_of(self.tcx.types.usize).unwrap(); let len = slice.len(&self.ecx).ok()?; - let imm = ImmTy::try_from_uint(len, usize_layout)?; + let imm = ImmTy::from_uint(len, usize_layout); imm.into() } NullaryOp(null_op, ty) => { @@ -492,7 +492,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { NullOp::UbChecks => return None, }; let usize_layout = self.ecx.layout_of(self.tcx.types.usize).unwrap(); - let imm = ImmTy::try_from_uint(val, usize_layout)?; + let imm = ImmTy::from_uint(val, usize_layout); imm.into() } UnaryOp(un_op, operand) => { @@ -1180,7 +1180,7 @@ fn op_to_prop_const<'tcx>( // If this constant has scalar ABI, return it as a `ConstValue::Scalar`. if let Abi::Scalar(abi::Scalar::Initialized { .. }) = op.layout.abi && let Ok(scalar) = ecx.read_scalar(op) - && scalar.try_to_int().is_ok() + && scalar.try_to_scalar_int().is_ok() { return Some(ConstValue::Scalar(scalar)); } diff --git a/compiler/rustc_mir_transform/src/known_panics_lint.rs b/compiler/rustc_mir_transform/src/known_panics_lint.rs index 47bbddbc31d4..6a20b46e7f9c 100644 --- a/compiler/rustc_mir_transform/src/known_panics_lint.rs +++ b/compiler/rustc_mir_transform/src/known_panics_lint.rs @@ -356,15 +356,12 @@ impl<'mir, 'tcx> ConstPropagator<'mir, 'tcx> { debug!("check_binary_op: reporting assert for {:?}", location); let panic = AssertKind::Overflow( op, - match l { - Some(l) => l.to_const_int(), - // Invent a dummy value, the diagnostic ignores it anyway - None => ConstInt::new( - ScalarInt::try_from_uint(1_u8, left_size).unwrap(), - left_ty.is_signed(), - left_ty.is_ptr_sized_integral(), - ), - }, + // Invent a dummy value, the diagnostic ignores it anyway + ConstInt::new( + ScalarInt::try_from_uint(1_u8, left_size).unwrap(), + left_ty.is_signed(), + left_ty.is_ptr_sized_integral(), + ), r.to_const_int(), ); self.report_assert_as_lint(location, AssertLintKind::ArithmeticOverflow, panic); @@ -787,8 +784,7 @@ impl<'tcx> Visitor<'tcx> for ConstPropagator<'_, 'tcx> { TerminatorKind::SwitchInt { ref discr, ref targets } => { if let Some(ref value) = self.eval_operand(discr) && let Some(value_const) = self.use_ecx(|this| this.ecx.read_scalar(value)) - && let Ok(constant) = value_const.try_to_int() - && let Ok(constant) = constant.try_to_bits(constant.size()) + && let Ok(constant) = value_const.to_bits(value_const.size()) { // We managed to evaluate the discriminant, so we know we only need to visit // one target. diff --git a/compiler/rustc_mir_transform/src/match_branches.rs b/compiler/rustc_mir_transform/src/match_branches.rs index 1411d9be2236..6ab4ec6fe7e6 100644 --- a/compiler/rustc_mir_transform/src/match_branches.rs +++ b/compiler/rustc_mir_transform/src/match_branches.rs @@ -372,7 +372,7 @@ impl<'tcx> SimplifyMatch<'tcx> for SimplifyToExp { } fn int_equal(l: ScalarInt, r: impl Into, size: Size) -> bool { - l.assert_int(l.size()) == ScalarInt::try_from_uint(r, size).unwrap().assert_int(size) + l.to_bits_unchecked() == ScalarInt::try_from_uint(r, size).unwrap().to_bits_unchecked() } // We first compare the two branches, and then the other branches need to fulfill the same conditions. diff --git a/compiler/rustc_mir_transform/src/promote_consts.rs b/compiler/rustc_mir_transform/src/promote_consts.rs index 7ec59cc983f5..ecd1179ca995 100644 --- a/compiler/rustc_mir_transform/src/promote_consts.rs +++ b/compiler/rustc_mir_transform/src/promote_consts.rs @@ -500,14 +500,14 @@ impl<'tcx> Validator<'_, 'tcx> { } _ => None, }; - match rhs_val.map(|x| x.assert_uint(sz)) { + match rhs_val.map(|x| x.to_uint(sz)) { // for the zero test, int vs uint does not matter Some(x) if x != 0 => {} // okay _ => return Err(Unpromotable), // value not known or 0 -- not okay } // Furthermore, for signed divison, we also have to exclude `int::MIN / -1`. if lhs_ty.is_signed() { - match rhs_val.map(|x| x.assert_int(sz)) { + match rhs_val.map(|x| x.to_int(sz)) { Some(-1) | None => { // The RHS is -1 or unknown, so we have to be careful. // But is the LHS int::MIN? @@ -518,7 +518,7 @@ impl<'tcx> Validator<'_, 'tcx> { _ => None, }; let lhs_min = sz.signed_int_min(); - match lhs_val.map(|x| x.assert_int(sz)) { + match lhs_val.map(|x| x.to_int(sz)) { Some(x) if x != lhs_min => {} // okay _ => return Err(Unpromotable), // value not known or int::MIN -- not okay } diff --git a/compiler/rustc_mir_transform/src/simplify_comparison_integral.rs b/compiler/rustc_mir_transform/src/simplify_comparison_integral.rs index 03907babf2b0..e174cccdad6b 100644 --- a/compiler/rustc_mir_transform/src/simplify_comparison_integral.rs +++ b/compiler/rustc_mir_transform/src/simplify_comparison_integral.rs @@ -49,7 +49,7 @@ impl<'tcx> MirPass<'tcx> for SimplifyComparisonIntegral { let layout = tcx .layout_of(param_env.and(opt.branch_value_ty)) .expect("if we have an evaluated constant we must know the layout"); - int.assert_bits(layout.size) + int.to_bits(layout.size) } Scalar::Ptr(..) => continue, }; diff --git a/compiler/rustc_mir_transform/src/validate.rs b/compiler/rustc_mir_transform/src/validate.rs index 3b4d4c938771..586c12549953 100644 --- a/compiler/rustc_mir_transform/src/validate.rs +++ b/compiler/rustc_mir_transform/src/validate.rs @@ -5,12 +5,12 @@ use rustc_index::bit_set::BitSet; use rustc_index::IndexVec; use rustc_infer::traits::Reveal; use rustc_middle::mir::coverage::CoverageKind; -use rustc_middle::mir::interpret::Scalar; use rustc_middle::mir::visit::{NonUseContext, PlaceContext, Visitor}; use rustc_middle::mir::*; use rustc_middle::ty::adjustment::PointerCoercion; use rustc_middle::ty::{ - self, CoroutineArgsExt, InstanceDef, ParamEnv, Ty, TyCtxt, TypeVisitableExt, Variance, + self, CoroutineArgsExt, InstanceDef, ParamEnv, ScalarInt, Ty, TyCtxt, TypeVisitableExt, + Variance, }; use rustc_middle::{bug, span_bug}; use rustc_target::abi::{Size, FIRST_VARIANT}; @@ -1478,7 +1478,7 @@ impl<'a, 'tcx> Visitor<'tcx> for TypeChecker<'a, 'tcx> { }); for (value, _) in targets.iter() { - if Scalar::<()>::try_from_uint(value, size).is_none() { + if ScalarInt::try_from_uint(value, size).is_none() { self.fail( location, format!("the value {value:#x} is not a proper {switch_ty:?}"), diff --git a/compiler/rustc_pattern_analysis/src/rustc.rs b/compiler/rustc_pattern_analysis/src/rustc.rs index 81c5f3552319..8391c694c64b 100644 --- a/compiler/rustc_pattern_analysis/src/rustc.rs +++ b/compiler/rustc_pattern_analysis/src/rustc.rs @@ -6,11 +6,12 @@ use rustc_hir::def_id::DefId; use rustc_hir::HirId; use rustc_index::{Idx, IndexVec}; use rustc_middle::middle::stability::EvalResult; -use rustc_middle::mir::interpret::Scalar; use rustc_middle::mir::{self, Const}; use rustc_middle::thir::{self, FieldPat, Pat, PatKind, PatRange, PatRangeBoundary}; use rustc_middle::ty::layout::IntegerExt; -use rustc_middle::ty::{self, FieldDef, OpaqueTypeKey, Ty, TyCtxt, TypeVisitableExt, VariantDef}; +use rustc_middle::ty::{ + self, FieldDef, OpaqueTypeKey, ScalarInt, Ty, TyCtxt, TypeVisitableExt, VariantDef, +}; use rustc_middle::{bug, span_bug}; use rustc_session::lint; use rustc_span::{ErrorGuaranteed, Span, DUMMY_SP}; @@ -701,9 +702,9 @@ impl<'p, 'tcx: 'p> RustcPatCtxt<'p, 'tcx> { ty::Int(_) => miint.as_finite_int(size.bits()).unwrap(), _ => miint.as_finite_uint().unwrap(), }; - match Scalar::try_from_uint(bits, size) { + match ScalarInt::try_from_uint(bits, size) { Some(scalar) => { - let value = mir::Const::from_scalar(tcx, scalar, ty.inner()); + let value = mir::Const::from_scalar(tcx, scalar.into(), ty.inner()); PatRangeBoundary::Finite(value) } // The value doesn't fit. Since `x >= 0` and 0 always encodes the minimum value diff --git a/compiler/rustc_transmute/src/layout/tree.rs b/compiler/rustc_transmute/src/layout/tree.rs index 604b68d2cd4a..eae1a9dfaa2c 100644 --- a/compiler/rustc_transmute/src/layout/tree.rs +++ b/compiler/rustc_transmute/src/layout/tree.rs @@ -420,7 +420,7 @@ pub(crate) mod rustc { fn from_tag(tag: ScalarInt, tcx: TyCtxt<'tcx>) -> Self { use rustc_target::abi::Endian; let size = tag.size(); - let bits = tag.assert_bits(size); + let bits = tag.to_bits(size); let bytes: [u8; 16]; let bytes = match tcx.data_layout.endian { Endian::Little => { diff --git a/compiler/rustc_ty_utils/src/consts.rs b/compiler/rustc_ty_utils/src/consts.rs index 1aec40e95f69..58f812fc7cfa 100644 --- a/compiler/rustc_ty_utils/src/consts.rs +++ b/compiler/rustc_ty_utils/src/consts.rs @@ -47,7 +47,7 @@ fn destructure_const<'tcx>( ty::Adt(def, args) => { let (variant_idx, branches) = if def.is_enum() { let (head, rest) = branches.split_first().unwrap(); - (VariantIdx::from_u32(head.unwrap_leaf().try_to_u32().unwrap()), rest) + (VariantIdx::from_u32(head.unwrap_leaf().to_u32()), rest) } else { (FIRST_VARIANT, branches) }; diff --git a/src/librustdoc/clean/utils.rs b/src/librustdoc/clean/utils.rs index 7fc3d4508d7d..7c83d4387193 100644 --- a/src/librustdoc/clean/utils.rs +++ b/src/librustdoc/clean/utils.rs @@ -431,8 +431,7 @@ fn print_const_with_custom_print_scalar<'tcx>( (mir::Const::Val(mir::ConstValue::Scalar(int), _), ty::Int(i)) => { let ty = ct.ty(); let size = tcx.layout_of(ty::ParamEnv::empty().and(ty)).unwrap().size; - let data = int.assert_bits(size); - let sign_extended_data = size.sign_extend(data) as i128; + let sign_extended_data = int.assert_scalar_int().to_int(size); let mut output = if with_underscores { format_integer_with_underscore_sep(&sign_extended_data.to_string()) } else { diff --git a/src/tools/clippy/clippy_lints/src/large_const_arrays.rs b/src/tools/clippy/clippy_lints/src/large_const_arrays.rs index 77d05020c828..7f8197c0cc01 100644 --- a/src/tools/clippy/clippy_lints/src/large_const_arrays.rs +++ b/src/tools/clippy/clippy_lints/src/large_const_arrays.rs @@ -55,7 +55,7 @@ impl<'tcx> LateLintPass<'tcx> for LargeConstArrays { && let ty = cx.tcx.type_of(item.owner_id).instantiate_identity() && let ty::Array(element_type, cst) = ty.kind() && let ConstKind::Value(_, ty::ValTree::Leaf(element_count)) = cst.kind() - && let Ok(element_count) = element_count.try_to_target_usize(cx.tcx) + && let element_count = element_count.to_target_usize(cx.tcx) && let Ok(element_size) = cx.layout_of(*element_type).map(|l| l.size.bytes()) && self.maximum_allowed_size < u128::from(element_count) * u128::from(element_size) { diff --git a/src/tools/clippy/clippy_lints/src/large_stack_arrays.rs b/src/tools/clippy/clippy_lints/src/large_stack_arrays.rs index f0f3f53647b9..c9bfc9c85d95 100644 --- a/src/tools/clippy/clippy_lints/src/large_stack_arrays.rs +++ b/src/tools/clippy/clippy_lints/src/large_stack_arrays.rs @@ -65,7 +65,7 @@ impl<'tcx> LateLintPass<'tcx> for LargeStackArrays { && !self.is_from_vec_macro(cx, expr.span) && let ty::Array(element_type, cst) = cx.typeck_results().expr_ty(expr).kind() && let ConstKind::Value(_, ty::ValTree::Leaf(element_count)) = cst.kind() - && let Ok(element_count) = element_count.try_to_target_usize(cx.tcx) + && let element_count = element_count.to_target_usize(cx.tcx) && let Ok(element_size) = cx.layout_of(*element_type).map(|l| l.size.bytes()) && !cx.tcx.hir().parent_iter(expr.hir_id).any(|(_, node)| { matches!( diff --git a/src/tools/clippy/clippy_lints/src/non_copy_const.rs b/src/tools/clippy/clippy_lints/src/non_copy_const.rs index 76d9cee18aa7..20a97645af95 100644 --- a/src/tools/clippy/clippy_lints/src/non_copy_const.rs +++ b/src/tools/clippy/clippy_lints/src/non_copy_const.rs @@ -199,7 +199,7 @@ impl<'tcx> NonCopyConst<'tcx> { .any(|field| Self::is_value_unfrozen_raw_inner(cx, *field, ty)), ty::Adt(def, args) if def.is_enum() => { let (&variant_index, fields) = val.unwrap_branch().split_first().unwrap(); - let variant_index = VariantIdx::from_u32(variant_index.unwrap_leaf().try_to_u32().ok().unwrap()); + let variant_index = VariantIdx::from_u32(variant_index.unwrap_leaf().to_u32()); fields .iter() .copied() diff --git a/src/tools/clippy/clippy_lints/src/zero_repeat_side_effects.rs b/src/tools/clippy/clippy_lints/src/zero_repeat_side_effects.rs index 848b49130dc2..8796b8f61d16 100644 --- a/src/tools/clippy/clippy_lints/src/zero_repeat_side_effects.rs +++ b/src/tools/clippy/clippy_lints/src/zero_repeat_side_effects.rs @@ -56,8 +56,7 @@ impl LateLintPass<'_> for ZeroRepeatSideEffects { } else if let ExprKind::Repeat(inner_expr, _) = expr.kind && let ty::Array(_, cst) = cx.typeck_results().expr_ty(expr).kind() && let ConstKind::Value(_, ty::ValTree::Leaf(element_count)) = cst.kind() - && let Ok(element_count) = element_count.try_to_target_usize(cx.tcx) - && element_count == 0 + && element_count.to_target_usize(cx.tcx) == 0 { inner_check(cx, expr, inner_expr, false); } diff --git a/src/tools/clippy/clippy_utils/src/consts.rs b/src/tools/clippy/clippy_utils/src/consts.rs index 5c9cad2b45d4..e9e1aa7e4453 100644 --- a/src/tools/clippy/clippy_utils/src/consts.rs +++ b/src/tools/clippy/clippy_utils/src/consts.rs @@ -810,14 +810,14 @@ pub fn mir_to_const<'tcx>(lcx: &LateContext<'tcx>, result: mir::Const<'tcx>) -> (ConstValue::Scalar(Scalar::Int(int)), _) => match result.ty().kind() { ty::Adt(adt_def, _) if adt_def.is_struct() => Some(Constant::Adt(result)), ty::Bool => Some(Constant::Bool(int == ScalarInt::TRUE)), - ty::Uint(_) | ty::Int(_) => Some(Constant::Int(int.assert_bits(int.size()))), + ty::Uint(_) | ty::Int(_) => Some(Constant::Int(int.to_bits(int.size()))), ty::Float(FloatTy::F32) => Some(Constant::F32(f32::from_bits( int.try_into().expect("invalid f32 bit representation"), ))), ty::Float(FloatTy::F64) => Some(Constant::F64(f64::from_bits( int.try_into().expect("invalid f64 bit representation"), ))), - ty::RawPtr(_, _) => Some(Constant::RawPtr(int.assert_bits(int.size()))), + ty::RawPtr(_, _) => Some(Constant::RawPtr(int.to_bits(int.size()))), _ => None, }, (_, ty::Ref(_, inner_ty, _)) if matches!(inner_ty.kind(), ty::Str) => { diff --git a/src/tools/clippy/clippy_utils/src/ty.rs b/src/tools/clippy/clippy_utils/src/ty.rs index f0dac6f5d9c4..6e5626297c95 100644 --- a/src/tools/clippy/clippy_utils/src/ty.rs +++ b/src/tools/clippy/clippy_utils/src/ty.rs @@ -23,7 +23,7 @@ use rustc_middle::ty::{ }; use rustc_span::symbol::Ident; use rustc_span::{sym, Span, Symbol, DUMMY_SP}; -use rustc_target::abi::{Size, VariantIdx}; +use rustc_target::abi::VariantIdx; use rustc_trait_selection::traits::query::evaluate_obligation::InferCtxtExt as _; use rustc_trait_selection::traits::query::normalize::QueryNormalizeExt; use rustc_trait_selection::traits::{Obligation, ObligationCause}; @@ -865,22 +865,8 @@ impl core::ops::Add for EnumValue { pub fn read_explicit_enum_value(tcx: TyCtxt<'_>, id: DefId) -> Option { if let Ok(ConstValue::Scalar(Scalar::Int(value))) = tcx.const_eval_poly(id) { match tcx.type_of(id).instantiate_identity().kind() { - ty::Int(_) => Some(EnumValue::Signed(match value.size().bytes() { - 1 => i128::from(value.assert_bits(Size::from_bytes(1)) as u8 as i8), - 2 => i128::from(value.assert_bits(Size::from_bytes(2)) as u16 as i16), - 4 => i128::from(value.assert_bits(Size::from_bytes(4)) as u32 as i32), - 8 => i128::from(value.assert_bits(Size::from_bytes(8)) as u64 as i64), - 16 => value.assert_bits(Size::from_bytes(16)) as i128, - _ => return None, - })), - ty::Uint(_) => Some(EnumValue::Unsigned(match value.size().bytes() { - 1 => value.assert_bits(Size::from_bytes(1)), - 2 => value.assert_bits(Size::from_bytes(2)), - 4 => value.assert_bits(Size::from_bytes(4)), - 8 => value.assert_bits(Size::from_bytes(8)), - 16 => value.assert_bits(Size::from_bytes(16)), - _ => return None, - })), + ty::Int(_) => Some(EnumValue::Signed(value.to_int(value.size()))), + ty::Uint(_) => Some(EnumValue::Unsigned(value.to_uint(value.size()))), _ => None, } } else { diff --git a/src/tools/miri/src/intrinsics/simd.rs b/src/tools/miri/src/intrinsics/simd.rs index 8ba4964ff896..acdfc6ab67db 100644 --- a/src/tools/miri/src/intrinsics/simd.rs +++ b/src/tools/miri/src/intrinsics/simd.rs @@ -600,8 +600,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { for i in 0..dest_len { let src_index: u64 = index[usize::try_from(i).unwrap()] .unwrap_leaf() - .try_to_u32() - .unwrap() + .to_u32() .into(); let dest = this.project_index(&dest, i)?; diff --git a/src/tools/miri/src/shims/unix/socket.rs b/src/tools/miri/src/shims/unix/socket.rs index a0fa3bcee342..93ad7d242945 100644 --- a/src/tools/miri/src/shims/unix/socket.rs +++ b/src/tools/miri/src/shims/unix/socket.rs @@ -51,9 +51,9 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let fds = &mut this.machine.fds; let sv0 = fds.insert_fd(FileDescriptor::new(SocketPair)); - let sv0 = Scalar::try_from_int(sv0, sv.layout.size).unwrap(); + let sv0 = Scalar::from_int(sv0, sv.layout.size); let sv1 = fds.insert_fd(FileDescriptor::new(SocketPair)); - let sv1 = Scalar::try_from_int(sv1, sv.layout.size).unwrap(); + let sv1 = Scalar::from_int(sv1, sv.layout.size); this.write_scalar(sv0, &sv)?; this.write_scalar(sv1, &sv.offset(sv.layout.size, sv.layout, this)?)?; From 8c1f953772a025dcfec6dbd36544e415842ad1d1 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sat, 8 Jun 2024 16:13:45 +0200 Subject: [PATCH 1273/1716] ScalarInt: size mismatches are a bug, do not delay the panic --- clippy_lints/src/large_const_arrays.rs | 2 +- clippy_lints/src/large_stack_arrays.rs | 2 +- clippy_lints/src/non_copy_const.rs | 2 +- clippy_lints/src/zero_repeat_side_effects.rs | 3 +-- clippy_utils/src/consts.rs | 4 ++-- clippy_utils/src/ty.rs | 20 +++----------------- 6 files changed, 9 insertions(+), 24 deletions(-) diff --git a/clippy_lints/src/large_const_arrays.rs b/clippy_lints/src/large_const_arrays.rs index 77d05020c828..7f8197c0cc01 100644 --- a/clippy_lints/src/large_const_arrays.rs +++ b/clippy_lints/src/large_const_arrays.rs @@ -55,7 +55,7 @@ impl<'tcx> LateLintPass<'tcx> for LargeConstArrays { && let ty = cx.tcx.type_of(item.owner_id).instantiate_identity() && let ty::Array(element_type, cst) = ty.kind() && let ConstKind::Value(_, ty::ValTree::Leaf(element_count)) = cst.kind() - && let Ok(element_count) = element_count.try_to_target_usize(cx.tcx) + && let element_count = element_count.to_target_usize(cx.tcx) && let Ok(element_size) = cx.layout_of(*element_type).map(|l| l.size.bytes()) && self.maximum_allowed_size < u128::from(element_count) * u128::from(element_size) { diff --git a/clippy_lints/src/large_stack_arrays.rs b/clippy_lints/src/large_stack_arrays.rs index f0f3f53647b9..c9bfc9c85d95 100644 --- a/clippy_lints/src/large_stack_arrays.rs +++ b/clippy_lints/src/large_stack_arrays.rs @@ -65,7 +65,7 @@ impl<'tcx> LateLintPass<'tcx> for LargeStackArrays { && !self.is_from_vec_macro(cx, expr.span) && let ty::Array(element_type, cst) = cx.typeck_results().expr_ty(expr).kind() && let ConstKind::Value(_, ty::ValTree::Leaf(element_count)) = cst.kind() - && let Ok(element_count) = element_count.try_to_target_usize(cx.tcx) + && let element_count = element_count.to_target_usize(cx.tcx) && let Ok(element_size) = cx.layout_of(*element_type).map(|l| l.size.bytes()) && !cx.tcx.hir().parent_iter(expr.hir_id).any(|(_, node)| { matches!( diff --git a/clippy_lints/src/non_copy_const.rs b/clippy_lints/src/non_copy_const.rs index 76d9cee18aa7..20a97645af95 100644 --- a/clippy_lints/src/non_copy_const.rs +++ b/clippy_lints/src/non_copy_const.rs @@ -199,7 +199,7 @@ impl<'tcx> NonCopyConst<'tcx> { .any(|field| Self::is_value_unfrozen_raw_inner(cx, *field, ty)), ty::Adt(def, args) if def.is_enum() => { let (&variant_index, fields) = val.unwrap_branch().split_first().unwrap(); - let variant_index = VariantIdx::from_u32(variant_index.unwrap_leaf().try_to_u32().ok().unwrap()); + let variant_index = VariantIdx::from_u32(variant_index.unwrap_leaf().to_u32()); fields .iter() .copied() diff --git a/clippy_lints/src/zero_repeat_side_effects.rs b/clippy_lints/src/zero_repeat_side_effects.rs index 848b49130dc2..8796b8f61d16 100644 --- a/clippy_lints/src/zero_repeat_side_effects.rs +++ b/clippy_lints/src/zero_repeat_side_effects.rs @@ -56,8 +56,7 @@ impl LateLintPass<'_> for ZeroRepeatSideEffects { } else if let ExprKind::Repeat(inner_expr, _) = expr.kind && let ty::Array(_, cst) = cx.typeck_results().expr_ty(expr).kind() && let ConstKind::Value(_, ty::ValTree::Leaf(element_count)) = cst.kind() - && let Ok(element_count) = element_count.try_to_target_usize(cx.tcx) - && element_count == 0 + && element_count.to_target_usize(cx.tcx) == 0 { inner_check(cx, expr, inner_expr, false); } diff --git a/clippy_utils/src/consts.rs b/clippy_utils/src/consts.rs index 5c9cad2b45d4..e9e1aa7e4453 100644 --- a/clippy_utils/src/consts.rs +++ b/clippy_utils/src/consts.rs @@ -810,14 +810,14 @@ pub fn mir_to_const<'tcx>(lcx: &LateContext<'tcx>, result: mir::Const<'tcx>) -> (ConstValue::Scalar(Scalar::Int(int)), _) => match result.ty().kind() { ty::Adt(adt_def, _) if adt_def.is_struct() => Some(Constant::Adt(result)), ty::Bool => Some(Constant::Bool(int == ScalarInt::TRUE)), - ty::Uint(_) | ty::Int(_) => Some(Constant::Int(int.assert_bits(int.size()))), + ty::Uint(_) | ty::Int(_) => Some(Constant::Int(int.to_bits(int.size()))), ty::Float(FloatTy::F32) => Some(Constant::F32(f32::from_bits( int.try_into().expect("invalid f32 bit representation"), ))), ty::Float(FloatTy::F64) => Some(Constant::F64(f64::from_bits( int.try_into().expect("invalid f64 bit representation"), ))), - ty::RawPtr(_, _) => Some(Constant::RawPtr(int.assert_bits(int.size()))), + ty::RawPtr(_, _) => Some(Constant::RawPtr(int.to_bits(int.size()))), _ => None, }, (_, ty::Ref(_, inner_ty, _)) if matches!(inner_ty.kind(), ty::Str) => { diff --git a/clippy_utils/src/ty.rs b/clippy_utils/src/ty.rs index f0dac6f5d9c4..6e5626297c95 100644 --- a/clippy_utils/src/ty.rs +++ b/clippy_utils/src/ty.rs @@ -23,7 +23,7 @@ use rustc_middle::ty::{ }; use rustc_span::symbol::Ident; use rustc_span::{sym, Span, Symbol, DUMMY_SP}; -use rustc_target::abi::{Size, VariantIdx}; +use rustc_target::abi::VariantIdx; use rustc_trait_selection::traits::query::evaluate_obligation::InferCtxtExt as _; use rustc_trait_selection::traits::query::normalize::QueryNormalizeExt; use rustc_trait_selection::traits::{Obligation, ObligationCause}; @@ -865,22 +865,8 @@ impl core::ops::Add for EnumValue { pub fn read_explicit_enum_value(tcx: TyCtxt<'_>, id: DefId) -> Option { if let Ok(ConstValue::Scalar(Scalar::Int(value))) = tcx.const_eval_poly(id) { match tcx.type_of(id).instantiate_identity().kind() { - ty::Int(_) => Some(EnumValue::Signed(match value.size().bytes() { - 1 => i128::from(value.assert_bits(Size::from_bytes(1)) as u8 as i8), - 2 => i128::from(value.assert_bits(Size::from_bytes(2)) as u16 as i16), - 4 => i128::from(value.assert_bits(Size::from_bytes(4)) as u32 as i32), - 8 => i128::from(value.assert_bits(Size::from_bytes(8)) as u64 as i64), - 16 => value.assert_bits(Size::from_bytes(16)) as i128, - _ => return None, - })), - ty::Uint(_) => Some(EnumValue::Unsigned(match value.size().bytes() { - 1 => value.assert_bits(Size::from_bytes(1)), - 2 => value.assert_bits(Size::from_bytes(2)), - 4 => value.assert_bits(Size::from_bytes(4)), - 8 => value.assert_bits(Size::from_bytes(8)), - 16 => value.assert_bits(Size::from_bytes(16)), - _ => return None, - })), + ty::Int(_) => Some(EnumValue::Signed(value.to_int(value.size()))), + ty::Uint(_) => Some(EnumValue::Unsigned(value.to_uint(value.size()))), _ => None, } } else { From 251d2d0d4d8dd23349994611fe61e708b8f2bbe8 Mon Sep 17 00:00:00 2001 From: Gurinder Singh Date: Mon, 10 Jun 2024 17:14:49 +0530 Subject: [PATCH 1274/1716] Add explanatory note to async block type mismatch error --- .../src/infer/error_reporting/note_and_explain.rs | 9 +++++++++ tests/ui/async-await/coroutine-desc.stderr | 4 ++++ 2 files changed, 13 insertions(+) diff --git a/compiler/rustc_infer/src/infer/error_reporting/note_and_explain.rs b/compiler/rustc_infer/src/infer/error_reporting/note_and_explain.rs index b88677b3a4ec..effb4090692c 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/note_and_explain.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/note_and_explain.rs @@ -32,6 +32,15 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { diag.note("no two closures, even if identical, have the same type"); diag.help("consider boxing your closure and/or using it as a trait object"); } + (ty::Coroutine(def_id1, ..), ty::Coroutine(def_id2, ..)) + if self.tcx.coroutine_is_async(def_id1) + && self.tcx.coroutine_is_async(def_id2) => + { + diag.note("no two async blocks, even if identical, have the same type"); + diag.help( + "consider pinning your async block and casting it to a trait object", + ); + } (ty::Alias(ty::Opaque, ..), ty::Alias(ty::Opaque, ..)) => { // Issue #63167 diag.note("distinct uses of `impl Trait` result in different opaque types"); diff --git a/tests/ui/async-await/coroutine-desc.stderr b/tests/ui/async-await/coroutine-desc.stderr index 1f1e303ea4c6..4c165ff619a3 100644 --- a/tests/ui/async-await/coroutine-desc.stderr +++ b/tests/ui/async-await/coroutine-desc.stderr @@ -10,6 +10,8 @@ LL | fun(async {}, async {}); | = note: expected `async` block `{async block@$DIR/coroutine-desc.rs:10:9: 10:17}` found `async` block `{async block@$DIR/coroutine-desc.rs:10:19: 10:27}` + = note: no two async blocks, even if identical, have the same type + = help: consider pinning your async block and casting it to a trait object note: function defined here --> $DIR/coroutine-desc.rs:8:4 | @@ -51,6 +53,8 @@ LL | fun((async || {})(), (async || {})()); | = note: expected `async` closure body `{async closure body@$DIR/coroutine-desc.rs:14:19: 14:21}` found `async` closure body `{async closure body@$DIR/coroutine-desc.rs:14:36: 14:38}` + = note: no two async blocks, even if identical, have the same type + = help: consider pinning your async block and casting it to a trait object note: function defined here --> $DIR/coroutine-desc.rs:8:4 | From bd6fca201551382e12f08de37c1f67bc3deb968d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E8=AE=B8=E6=9D=B0=E5=8F=8B=20Jieyou=20Xu=20=28Joe=29?= Date: Wed, 10 Apr 2024 14:17:16 +0000 Subject: [PATCH 1275/1716] Clarify `Command::new` behavior if passed programs with arguments --- library/std/src/process.rs | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/library/std/src/process.rs b/library/std/src/process.rs index c926c89f7a97..f351dab78dc1 100644 --- a/library/std/src/process.rs +++ b/library/std/src/process.rs @@ -629,6 +629,25 @@ impl Command { /// .spawn() /// .expect("sh command failed to start"); /// ``` + /// + /// # Caveats + /// + /// [`Command::new`] is only intended to accept the path of the program. If you pass a program + /// path along with arguments like `Command::new("ls -l").spawn()`, it will try to search for + /// `ls -l` literally. The arguments need to be passed separately, such as via [`arg`] or + /// [`args`]. + /// + /// ```no_run + /// use std::process::Command; + /// + /// Command::new("ls") + /// .arg("-l") // arg passed separately + /// .spawn() + /// .expect("ls command failed to start"); + /// ``` + /// + /// [`arg`]: Self::arg + /// [`args`]: Self::args #[stable(feature = "process", since = "1.0.0")] pub fn new>(program: S) -> Command { Command { inner: imp::Command::new(program.as_ref()) } From 144760e23609cff6bc550d3f2ba39430bbfd4fa1 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Mon, 10 Jun 2024 14:31:21 +0200 Subject: [PATCH 1276/1716] CI: add Rust for Linux `auto` job --- src/ci/docker/host-x86_64/rfl/Dockerfile | 40 ++++++++++++++ src/ci/docker/scripts/rfl-build.sh | 68 ++++++++++++++++++++++++ src/ci/github-actions/jobs.yml | 5 ++ 3 files changed, 113 insertions(+) create mode 100644 src/ci/docker/host-x86_64/rfl/Dockerfile create mode 100755 src/ci/docker/scripts/rfl-build.sh diff --git a/src/ci/docker/host-x86_64/rfl/Dockerfile b/src/ci/docker/host-x86_64/rfl/Dockerfile new file mode 100644 index 000000000000..97298519cf20 --- /dev/null +++ b/src/ci/docker/host-x86_64/rfl/Dockerfile @@ -0,0 +1,40 @@ +FROM ubuntu:22.04 + +ARG DEBIAN_FRONTEND=noninteractive + +# libclang1 is required for libclang.so, required by bindgen +# clang, llvm and lld is required by RfL to compile host code +RUN apt-get update && apt-get install -y --no-install-recommends \ + g++ \ + make \ + ninja-build \ + file \ + curl \ + ca-certificates \ + python3 \ + git \ + cmake \ + flex \ + bison \ + bc \ + clang-15 \ + libclang1-15 \ + llvm-15 \ + lld-15 \ + libelf-dev \ + libedit-dev \ + libssl-dev \ + pkg-config \ + zlib1g-dev \ + && rm -rf /var/lib/apt/lists/* + +COPY scripts/sccache.sh /scripts/ +RUN sh /scripts/sccache.sh + +# RfL needs access to cland, lld and llvm tools +ENV PATH="${PATH}:/usr/lib/llvm-15/bin" + +ENV RUST_CONFIGURE_ARGS --build=x86_64-unknown-linux-gnu + +COPY /scripts/rfl-build.sh /tmp/rfl-build.sh +ENV SCRIPT bash /tmp/rfl-build.sh diff --git a/src/ci/docker/scripts/rfl-build.sh b/src/ci/docker/scripts/rfl-build.sh new file mode 100755 index 000000000000..da7b029ca732 --- /dev/null +++ b/src/ci/docker/scripts/rfl-build.sh @@ -0,0 +1,68 @@ +#!/bin/bash + +set -euo pipefail + +LINUX_VERSION=c13320499ba0efd93174ef6462ae8a7a2933f6e7 + +# Build rustc, rustdoc and cargo +../x.py build --stage 1 library rustdoc +../x.py build --stage 0 cargo + +# Install rustup so that we can use the built toolchain easily, and also +# install bindgen in an easy way. +curl --proto '=https' --tlsv1.2 -sSf -o rustup.sh https://sh.rustup.rs +sh rustup.sh -y --default-toolchain none + +source /cargo/env + +BUILD_DIR=$(realpath ./build) +rustup toolchain link local "${BUILD_DIR}"/x86_64-unknown-linux-gnu/stage1 +rustup default local + +mkdir -p rfl +cd rfl + +# Remove existing directory to make local builds easier +rm -rf linux || true + +# Download Linux at a specific commit +mkdir -p linux +git -C linux init +git -C linux remote add origin https://github.com/torvalds/linux.git +git -C linux fetch --depth 1 origin ${LINUX_VERSION} +git -C linux checkout FETCH_HEAD + +# Install bindgen +"${BUILD_DIR}"/x86_64-unknown-linux-gnu/stage0/bin/cargo install \ + --version $(linux/scripts/min-tool-version.sh bindgen) \ + bindgen-cli + +# Configure Rust for Linux +cat < linux/kernel/configs/rfl-for-rust-ci.config +# CONFIG_WERROR is not set + +CONFIG_RUST=y + +CONFIG_SAMPLES=y +CONFIG_SAMPLES_RUST=y + +CONFIG_SAMPLE_RUST_MINIMAL=m +CONFIG_SAMPLE_RUST_PRINT=y + +CONFIG_RUST_PHYLIB_ABSTRACTIONS=y +CONFIG_AX88796B_PHY=y +CONFIG_AX88796B_RUST_PHY=y + +CONFIG_KUNIT=y +CONFIG_RUST_KERNEL_DOCTESTS=y +EOF + +make -C linux LLVM=1 -j$(($(nproc) + 1)) \ + rustavailable \ + defconfig \ + rfl-for-rust-ci.config + +make -C linux LLVM=1 -j$(($(nproc) + 1)) \ + samples/rust/rust_minimal.o \ + samples/rust/rust_print.o \ + drivers/net/phy/ax88796b_rust.o diff --git a/src/ci/github-actions/jobs.yml b/src/ci/github-actions/jobs.yml index 48c39d2c33e5..62836acc2d9a 100644 --- a/src/ci/github-actions/jobs.yml +++ b/src/ci/github-actions/jobs.yml @@ -465,3 +465,8 @@ auto: RUST_CONFIGURE_ARGS: --build=x86_64-pc-windows-msvc --enable-extended --enable-profiler SCRIPT: python x.py dist bootstrap --include-default-paths <<: *job-windows-8c + + # Tests integration with Rust for Linux. + # Builds stage 1 compiler and tries to compile a few RfL examples with it. + - image: rfl + <<: *job-linux-8c From bfb7757c3c059d3bbcfbc604ab326fa777be13aa Mon Sep 17 00:00:00 2001 From: Boxy Date: Mon, 10 Jun 2024 14:32:50 +0100 Subject: [PATCH 1277/1716] Correct parent for nested anon consts --- .../src/collect/generics_of.rs | 26 +++++++++++++++---- .../repeat_expr_hack_gives_right_generics.rs | 20 ++++++++++++++ ...peat_expr_hack_gives_right_generics.stderr | 11 ++++++++ 3 files changed, 52 insertions(+), 5 deletions(-) create mode 100644 tests/ui/const-generics/repeat_expr_hack_gives_right_generics.rs create mode 100644 tests/ui/const-generics/repeat_expr_hack_gives_right_generics.stderr diff --git a/compiler/rustc_hir_analysis/src/collect/generics_of.rs b/compiler/rustc_hir_analysis/src/collect/generics_of.rs index abdf85ad707b..303fa23dbc1e 100644 --- a/compiler/rustc_hir_analysis/src/collect/generics_of.rs +++ b/compiler/rustc_hir_analysis/src/collect/generics_of.rs @@ -11,6 +11,7 @@ use rustc_session::lint; use rustc_span::symbol::{kw, Symbol}; use rustc_span::Span; +#[instrument(level = "debug", skip(tcx))] pub(super) fn generics_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::Generics { use rustc_hir::*; @@ -66,7 +67,22 @@ pub(super) fn generics_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::Generics { // FIXME(#43408) always enable this once `lazy_normalization` is // stable enough and does not need a feature gate anymore. Node::AnonConst(_) => { - let parent_def_id = tcx.hir().get_parent_item(hir_id); + let parent_did = tcx.parent(def_id.to_def_id()); + + // We don't do this unconditionally because the `DefId` parent of an anon const + // might be an implicitly created closure during `async fn` desugaring. This would + // have the wrong generics. + // + // i.e. `async fn foo<'a>() { let a = [(); { 1 + 2 }]; bar().await() }` + // would implicitly have a closure in its body that would be the parent of + // the `{ 1 + 2 }` anon const. This closure's generics is simply a witness + // instead of `['a]`. + let parent_did = if let DefKind::AnonConst = tcx.def_kind(parent_did) { + parent_did + } else { + tcx.hir().get_parent_item(hir_id).to_def_id() + }; + debug!(?parent_did); let mut in_param_ty = false; for (_parent, node) in tcx.hir().parent_iter(hir_id) { @@ -121,7 +137,7 @@ pub(super) fn generics_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::Generics { // // This has some implications for how we get the predicates available to the anon const // see `explicit_predicates_of` for more information on this - let generics = tcx.generics_of(parent_def_id.to_def_id()); + let generics = tcx.generics_of(parent_did); let param_def_idx = generics.param_def_id_to_index[¶m_id.to_def_id()]; // In the above example this would be .params[..N#0] let own_params = generics.params_to(param_def_idx as usize, tcx).to_owned(); @@ -147,7 +163,7 @@ pub(super) fn generics_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::Generics { // // Note that we do not supply the parent generics when using // `min_const_generics`. - Some(parent_def_id.to_def_id()) + Some(parent_did) } } else { let parent_node = tcx.parent_hir_node(hir_id); @@ -159,7 +175,7 @@ pub(super) fn generics_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::Generics { Node::Expr(Expr { kind: ExprKind::Repeat(_, constant), .. }) if constant.hir_id() == hir_id => { - Some(parent_def_id.to_def_id()) + Some(parent_did) } // Exclude `GlobalAsm` here which cannot have generics. Node::Expr(&Expr { kind: ExprKind::InlineAsm(asm), .. }) @@ -171,7 +187,7 @@ pub(super) fn generics_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::Generics { _ => false, }) => { - Some(parent_def_id.to_def_id()) + Some(parent_did) } _ => None, } diff --git a/tests/ui/const-generics/repeat_expr_hack_gives_right_generics.rs b/tests/ui/const-generics/repeat_expr_hack_gives_right_generics.rs new file mode 100644 index 000000000000..899db191ae7d --- /dev/null +++ b/tests/ui/const-generics/repeat_expr_hack_gives_right_generics.rs @@ -0,0 +1,20 @@ +// Given an anon const `a`: `{ N }` and some anon const `b` which references the +// first anon const: `{ [1; a] }`. `b` should not have any generics as it is not +// a simple `N` argument nor is it a repeat expr count. +// +// On the other hand `b` *is* a repeat expr count and so it should inherit its +// parents generics as part of the `const_evaluatable_unchecked` fcw (#76200). +// +// In this specific case however `b`'s parent should be `a` and so it should wind +// up not having any generics after all. If `a` were to inherit its generics from +// the enclosing item then the reference to `a` from `b` would contain generic +// parameters not usable by `b` which would cause us to ICE. + +fn bar() {} + +fn foo() { + bar::<{ [1; N] }>(); + //~^ ERROR: generic parameters may not be used in const operations +} + +fn main() {} diff --git a/tests/ui/const-generics/repeat_expr_hack_gives_right_generics.stderr b/tests/ui/const-generics/repeat_expr_hack_gives_right_generics.stderr new file mode 100644 index 000000000000..64548cc5a301 --- /dev/null +++ b/tests/ui/const-generics/repeat_expr_hack_gives_right_generics.stderr @@ -0,0 +1,11 @@ +error: generic parameters may not be used in const operations + --> $DIR/repeat_expr_hack_gives_right_generics.rs:16:17 + | +LL | bar::<{ [1; N] }>(); + | ^ cannot perform const operation using `N` + | + = help: const parameters may only be used as standalone arguments, i.e. `N` + = help: add `#![feature(generic_const_exprs)]` to allow generic const expressions + +error: aborting due to 1 previous error + From 8bd8f599eb0fb0e96ebffb438b20a85e5ccaaf1d Mon Sep 17 00:00:00 2001 From: Chris Denton Date: Mon, 10 Jun 2024 13:51:29 +0000 Subject: [PATCH 1278/1716] Bump windows-bindgen to 0.57 --- Cargo.lock | 8 +- .../std/src/sys/pal/windows/c/windows_sys.rs | 483 +++--------------- src/tools/generate-windows-sys/Cargo.toml | 2 +- 3 files changed, 71 insertions(+), 422 deletions(-) diff --git a/Cargo.lock b/Cargo.lock index 58d95f927bf9..6635a4cf0021 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -6399,9 +6399,9 @@ dependencies = [ [[package]] name = "windows-bindgen" -version = "0.56.0" +version = "0.57.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "a28e3ea6330cf17fdcdce8bf08d0549ce93769dca9bedc6c39c36c8c0e17db46" +checksum = "1ccb96113d6277ba543c0f77e1c5494af8094bf9daf9b85acdc3f1b620e7c7b4" dependencies = [ "proc-macro2", "rayon", @@ -6422,9 +6422,9 @@ dependencies = [ [[package]] name = "windows-metadata" -version = "0.56.0" +version = "0.57.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "3993f7827fff10c454e3a24847075598c7c08108304b8b07943c2c73d78f3b34" +checksum = "8308d076825b9d9e5abc64f8113e96d02b2aeeba869b20fdd65c7e70cda13dfc" [[package]] name = "windows-sys" diff --git a/library/std/src/sys/pal/windows/c/windows_sys.rs b/library/std/src/sys/pal/windows/c/windows_sys.rs index 1da8871ae44e..19f013d3347e 100644 --- a/library/std/src/sys/pal/windows/c/windows_sys.rs +++ b/library/std/src/sys/pal/windows/c/windows_sys.rs @@ -1,4 +1,4 @@ -// Bindings generated by `windows-bindgen` 0.56.0 +// Bindings generated by `windows-bindgen` 0.57.0 #![allow(non_snake_case, non_upper_case_globals, non_camel_case_types, dead_code, clippy::all)] #[link(name = "advapi32")] @@ -841,6 +841,7 @@ extern "system" { pub const ABOVE_NORMAL_PRIORITY_CLASS: PROCESS_CREATION_FLAGS = 32768u32; pub type ADDRESS_FAMILY = u16; #[repr(C)] +#[derive(Clone, Copy)] pub struct ADDRINFOA { pub ai_flags: i32, pub ai_family: i32, @@ -851,18 +852,13 @@ pub struct ADDRINFOA { pub ai_addr: *mut SOCKADDR, pub ai_next: *mut ADDRINFOA, } -impl Copy for ADDRINFOA {} -impl Clone for ADDRINFOA { - fn clone(&self) -> Self { - *self - } -} pub const AF_INET: ADDRESS_FAMILY = 2u16; pub const AF_INET6: ADDRESS_FAMILY = 23u16; pub const AF_UNIX: u16 = 1u16; pub const AF_UNSPEC: ADDRESS_FAMILY = 0u16; pub const ALL_PROCESSOR_GROUPS: u16 = 65535u16; #[repr(C)] +#[derive(Clone, Copy)] pub union ARM64_NT_NEON128 { pub Anonymous: ARM64_NT_NEON128_0, pub D: [f64; 2], @@ -870,27 +866,17 @@ pub union ARM64_NT_NEON128 { pub H: [u16; 8], pub B: [u8; 16], } -impl Copy for ARM64_NT_NEON128 {} -impl Clone for ARM64_NT_NEON128 { - fn clone(&self) -> Self { - *self - } -} #[repr(C)] +#[derive(Clone, Copy)] pub struct ARM64_NT_NEON128_0 { pub Low: u64, pub High: i64, } -impl Copy for ARM64_NT_NEON128_0 {} -impl Clone for ARM64_NT_NEON128_0 { - fn clone(&self) -> Self { - *self - } -} pub const BELOW_NORMAL_PRIORITY_CLASS: PROCESS_CREATION_FLAGS = 16384u32; pub type BOOL = i32; pub type BOOLEAN = u8; #[repr(C)] +#[derive(Clone, Copy)] pub struct BY_HANDLE_FILE_INFORMATION { pub dwFileAttributes: u32, pub ftCreationTime: FILETIME, @@ -903,41 +889,26 @@ pub struct BY_HANDLE_FILE_INFORMATION { pub nFileIndexHigh: u32, pub nFileIndexLow: u32, } -impl Copy for BY_HANDLE_FILE_INFORMATION {} -impl Clone for BY_HANDLE_FILE_INFORMATION { - fn clone(&self) -> Self { - *self - } -} pub const CALLBACK_CHUNK_FINISHED: LPPROGRESS_ROUTINE_CALLBACK_REASON = 0u32; pub const CALLBACK_STREAM_SWITCH: LPPROGRESS_ROUTINE_CALLBACK_REASON = 1u32; pub type COMPARESTRING_RESULT = i32; #[repr(C)] +#[derive(Clone, Copy)] pub struct CONDITION_VARIABLE { pub Ptr: *mut core::ffi::c_void, } -impl Copy for CONDITION_VARIABLE {} -impl Clone for CONDITION_VARIABLE { - fn clone(&self) -> Self { - *self - } -} pub type CONSOLE_MODE = u32; #[repr(C)] +#[derive(Clone, Copy)] pub struct CONSOLE_READCONSOLE_CONTROL { pub nLength: u32, pub nInitialChars: u32, pub dwCtrlWakeupMask: u32, pub dwControlKeyState: u32, } -impl Copy for CONSOLE_READCONSOLE_CONTROL {} -impl Clone for CONSOLE_READCONSOLE_CONTROL { - fn clone(&self) -> Self { - *self - } -} #[repr(C)] #[cfg(target_arch = "aarch64")] +#[derive(Clone, Copy)] pub struct CONTEXT { pub ContextFlags: CONTEXT_FLAGS, pub Cpsr: u32, @@ -952,30 +923,16 @@ pub struct CONTEXT { pub Wcr: [u32; 2], pub Wvr: [u64; 2], } -#[cfg(target_arch = "aarch64")] -impl Copy for CONTEXT {} -#[cfg(target_arch = "aarch64")] -impl Clone for CONTEXT { - fn clone(&self) -> Self { - *self - } -} #[repr(C)] #[cfg(target_arch = "aarch64")] +#[derive(Clone, Copy)] pub union CONTEXT_0 { pub Anonymous: CONTEXT_0_0, pub X: [u64; 31], } -#[cfg(target_arch = "aarch64")] -impl Copy for CONTEXT_0 {} -#[cfg(target_arch = "aarch64")] -impl Clone for CONTEXT_0 { - fn clone(&self) -> Self { - *self - } -} #[repr(C)] #[cfg(target_arch = "aarch64")] +#[derive(Clone, Copy)] pub struct CONTEXT_0_0 { pub X0: u64, pub X1: u64, @@ -1009,16 +966,9 @@ pub struct CONTEXT_0_0 { pub Fp: u64, pub Lr: u64, } -#[cfg(target_arch = "aarch64")] -impl Copy for CONTEXT_0_0 {} -#[cfg(target_arch = "aarch64")] -impl Clone for CONTEXT_0_0 { - fn clone(&self) -> Self { - *self - } -} #[repr(C)] #[cfg(any(target_arch = "arm64ec", target_arch = "x86_64"))] +#[derive(Clone, Copy)] pub struct CONTEXT { pub P1Home: u64, pub P2Home: u64, @@ -1067,30 +1017,16 @@ pub struct CONTEXT { pub LastExceptionToRip: u64, pub LastExceptionFromRip: u64, } -#[cfg(any(target_arch = "arm64ec", target_arch = "x86_64"))] -impl Copy for CONTEXT {} -#[cfg(any(target_arch = "arm64ec", target_arch = "x86_64"))] -impl Clone for CONTEXT { - fn clone(&self) -> Self { - *self - } -} #[repr(C)] #[cfg(any(target_arch = "arm64ec", target_arch = "x86_64"))] +#[derive(Clone, Copy)] pub union CONTEXT_0 { pub FltSave: XSAVE_FORMAT, pub Anonymous: CONTEXT_0_0, } -#[cfg(any(target_arch = "arm64ec", target_arch = "x86_64"))] -impl Copy for CONTEXT_0 {} -#[cfg(any(target_arch = "arm64ec", target_arch = "x86_64"))] -impl Clone for CONTEXT_0 { - fn clone(&self) -> Self { - *self - } -} #[repr(C)] #[cfg(any(target_arch = "arm64ec", target_arch = "x86_64"))] +#[derive(Clone, Copy)] pub struct CONTEXT_0_0 { pub Header: [M128A; 2], pub Legacy: [M128A; 8], @@ -1111,16 +1047,9 @@ pub struct CONTEXT_0_0 { pub Xmm14: M128A, pub Xmm15: M128A, } -#[cfg(any(target_arch = "arm64ec", target_arch = "x86_64"))] -impl Copy for CONTEXT_0_0 {} -#[cfg(any(target_arch = "arm64ec", target_arch = "x86_64"))] -impl Clone for CONTEXT_0_0 { - fn clone(&self) -> Self { - *self - } -} #[repr(C)] #[cfg(target_arch = "x86")] +#[derive(Clone, Copy)] pub struct CONTEXT { pub ContextFlags: CONTEXT_FLAGS, pub Dr0: u32, @@ -1148,14 +1077,6 @@ pub struct CONTEXT { pub SegSs: u32, pub ExtendedRegisters: [u8; 512], } -#[cfg(target_arch = "x86")] -impl Copy for CONTEXT {} -#[cfg(target_arch = "x86")] -impl Clone for CONTEXT { - fn clone(&self) -> Self { - *self - } -} pub type CONTEXT_FLAGS = u32; pub const CP_UTF8: u32 = 65001u32; pub const CREATE_ALWAYS: FILE_CREATION_DISPOSITION = 2u32; @@ -3068,6 +2989,7 @@ pub const ERROR_XML_PARSE_ERROR: WIN32_ERROR = 1465u32; pub type EXCEPTION_DISPOSITION = i32; pub const EXCEPTION_MAXIMUM_PARAMETERS: u32 = 15u32; #[repr(C)] +#[derive(Clone, Copy)] pub struct EXCEPTION_RECORD { pub ExceptionCode: NTSTATUS, pub ExceptionFlags: u32, @@ -3076,12 +2998,6 @@ pub struct EXCEPTION_RECORD { pub NumberParameters: u32, pub ExceptionInformation: [usize; 15], } -impl Copy for EXCEPTION_RECORD {} -impl Clone for EXCEPTION_RECORD { - fn clone(&self) -> Self { - *self - } -} pub const EXCEPTION_STACK_OVERFLOW: NTSTATUS = 0xC00000FD_u32 as _; pub const EXTENDED_STARTUPINFO_PRESENT: PROCESS_CREATION_FLAGS = 524288u32; pub const E_NOTIMPL: HRESULT = 0x80004001_u32 as _; @@ -3095,40 +3011,25 @@ pub const FALSE: BOOL = 0i32; pub type FARPROC = Option isize>; pub const FAST_FAIL_FATAL_APP_EXIT: u32 = 7u32; #[repr(C)] +#[derive(Clone, Copy)] pub struct FD_SET { pub fd_count: u32, pub fd_array: [SOCKET; 64], } -impl Copy for FD_SET {} -impl Clone for FD_SET { - fn clone(&self) -> Self { - *self - } -} #[repr(C)] +#[derive(Clone, Copy)] pub struct FILETIME { pub dwLowDateTime: u32, pub dwHighDateTime: u32, } -impl Copy for FILETIME {} -impl Clone for FILETIME { - fn clone(&self) -> Self { - *self - } -} pub type FILE_ACCESS_RIGHTS = u32; pub const FILE_ADD_FILE: FILE_ACCESS_RIGHTS = 2u32; pub const FILE_ADD_SUBDIRECTORY: FILE_ACCESS_RIGHTS = 4u32; #[repr(C)] +#[derive(Clone, Copy)] pub struct FILE_ALLOCATION_INFO { pub AllocationSize: i64, } -impl Copy for FILE_ALLOCATION_INFO {} -impl Clone for FILE_ALLOCATION_INFO { - fn clone(&self) -> Self { - *self - } -} pub const FILE_ALL_ACCESS: FILE_ACCESS_RIGHTS = 2032127u32; pub const FILE_APPEND_DATA: FILE_ACCESS_RIGHTS = 4u32; pub const FILE_ATTRIBUTE_ARCHIVE: FILE_FLAGS_AND_ATTRIBUTES = 32u32; @@ -3151,20 +3052,16 @@ pub const FILE_ATTRIBUTE_REPARSE_POINT: FILE_FLAGS_AND_ATTRIBUTES = 1024u32; pub const FILE_ATTRIBUTE_SPARSE_FILE: FILE_FLAGS_AND_ATTRIBUTES = 512u32; pub const FILE_ATTRIBUTE_SYSTEM: FILE_FLAGS_AND_ATTRIBUTES = 4u32; #[repr(C)] +#[derive(Clone, Copy)] pub struct FILE_ATTRIBUTE_TAG_INFO { pub FileAttributes: u32, pub ReparseTag: u32, } -impl Copy for FILE_ATTRIBUTE_TAG_INFO {} -impl Clone for FILE_ATTRIBUTE_TAG_INFO { - fn clone(&self) -> Self { - *self - } -} pub const FILE_ATTRIBUTE_TEMPORARY: FILE_FLAGS_AND_ATTRIBUTES = 256u32; pub const FILE_ATTRIBUTE_UNPINNED: FILE_FLAGS_AND_ATTRIBUTES = 1048576u32; pub const FILE_ATTRIBUTE_VIRTUAL: FILE_FLAGS_AND_ATTRIBUTES = 65536u32; #[repr(C)] +#[derive(Clone, Copy)] pub struct FILE_BASIC_INFO { pub CreationTime: i64, pub LastAccessTime: i64, @@ -3172,12 +3069,6 @@ pub struct FILE_BASIC_INFO { pub ChangeTime: i64, pub FileAttributes: u32, } -impl Copy for FILE_BASIC_INFO {} -impl Clone for FILE_BASIC_INFO { - fn clone(&self) -> Self { - *self - } -} pub const FILE_BEGIN: SET_FILE_POINTER_MOVE_METHOD = 0u32; pub const FILE_COMPLETE_IF_OPLOCKED: NTCREATEFILE_CREATE_OPTIONS = 256u32; pub const FILE_CONTAINS_EXTENDED_CREATE_INFORMATION: NTCREATEFILE_CREATE_OPTIONS = 268435456u32; @@ -3197,37 +3088,22 @@ pub const FILE_DISPOSITION_FLAG_IGNORE_READONLY_ATTRIBUTE: FILE_DISPOSITION_INFO pub const FILE_DISPOSITION_FLAG_ON_CLOSE: FILE_DISPOSITION_INFO_EX_FLAGS = 8u32; pub const FILE_DISPOSITION_FLAG_POSIX_SEMANTICS: FILE_DISPOSITION_INFO_EX_FLAGS = 2u32; #[repr(C)] +#[derive(Clone, Copy)] pub struct FILE_DISPOSITION_INFO { pub DeleteFile: BOOLEAN, } -impl Copy for FILE_DISPOSITION_INFO {} -impl Clone for FILE_DISPOSITION_INFO { - fn clone(&self) -> Self { - *self - } -} #[repr(C)] +#[derive(Clone, Copy)] pub struct FILE_DISPOSITION_INFO_EX { pub Flags: FILE_DISPOSITION_INFO_EX_FLAGS, } -impl Copy for FILE_DISPOSITION_INFO_EX {} -impl Clone for FILE_DISPOSITION_INFO_EX { - fn clone(&self) -> Self { - *self - } -} pub type FILE_DISPOSITION_INFO_EX_FLAGS = u32; pub const FILE_END: SET_FILE_POINTER_MOVE_METHOD = 2u32; #[repr(C)] +#[derive(Clone, Copy)] pub struct FILE_END_OF_FILE_INFO { pub EndOfFile: i64, } -impl Copy for FILE_END_OF_FILE_INFO {} -impl Clone for FILE_END_OF_FILE_INFO { - fn clone(&self) -> Self { - *self - } -} pub const FILE_EXECUTE: FILE_ACCESS_RIGHTS = 32u32; pub type FILE_FLAGS_AND_ATTRIBUTES = u32; pub const FILE_FLAG_BACKUP_SEMANTICS: FILE_FLAGS_AND_ATTRIBUTES = 33554432u32; @@ -3246,6 +3122,7 @@ pub const FILE_GENERIC_EXECUTE: FILE_ACCESS_RIGHTS = 1179808u32; pub const FILE_GENERIC_READ: FILE_ACCESS_RIGHTS = 1179785u32; pub const FILE_GENERIC_WRITE: FILE_ACCESS_RIGHTS = 1179926u32; #[repr(C)] +#[derive(Clone, Copy)] pub struct FILE_ID_BOTH_DIR_INFO { pub NextEntryOffset: u32, pub FileIndex: u32, @@ -3263,23 +3140,12 @@ pub struct FILE_ID_BOTH_DIR_INFO { pub FileId: i64, pub FileName: [u16; 1], } -impl Copy for FILE_ID_BOTH_DIR_INFO {} -impl Clone for FILE_ID_BOTH_DIR_INFO { - fn clone(&self) -> Self { - *self - } -} pub type FILE_INFO_BY_HANDLE_CLASS = i32; #[repr(C)] +#[derive(Clone, Copy)] pub struct FILE_IO_PRIORITY_HINT_INFO { pub PriorityHint: PRIORITY_HINT, } -impl Copy for FILE_IO_PRIORITY_HINT_INFO {} -impl Clone for FILE_IO_PRIORITY_HINT_INFO { - fn clone(&self) -> Self { - *self - } -} pub const FILE_LIST_DIRECTORY: FILE_ACCESS_RIGHTS = 1u32; pub const FILE_NAME_NORMALIZED: GETFINALPATHNAMEBYHANDLE_FLAGS = 0u32; pub const FILE_NAME_OPENED: GETFINALPATHNAMEBYHANDLE_FLAGS = 8u32; @@ -3310,6 +3176,7 @@ pub const FILE_SHARE_NONE: FILE_SHARE_MODE = 0u32; pub const FILE_SHARE_READ: FILE_SHARE_MODE = 1u32; pub const FILE_SHARE_WRITE: FILE_SHARE_MODE = 2u32; #[repr(C)] +#[derive(Clone, Copy)] pub struct FILE_STANDARD_INFO { pub AllocationSize: i64, pub EndOfFile: i64, @@ -3317,12 +3184,6 @@ pub struct FILE_STANDARD_INFO { pub DeletePending: BOOLEAN, pub Directory: BOOLEAN, } -impl Copy for FILE_STANDARD_INFO {} -impl Clone for FILE_STANDARD_INFO { - fn clone(&self) -> Self { - *self - } -} pub const FILE_SUPERSEDE: NTCREATEFILE_CREATE_DISPOSITION = 0u32; pub const FILE_SYNCHRONOUS_IO_ALERT: NTCREATEFILE_CREATE_OPTIONS = 16u32; pub const FILE_SYNCHRONOUS_IO_NONALERT: NTCREATEFILE_CREATE_OPTIONS = 32u32; @@ -3340,6 +3201,7 @@ pub const FILE_WRITE_THROUGH: NTCREATEFILE_CREATE_OPTIONS = 2u32; pub const FIONBIO: i32 = -2147195266i32; #[repr(C)] #[cfg(any(target_arch = "aarch64", target_arch = "arm64ec", target_arch = "x86_64"))] +#[derive(Clone, Copy)] pub struct FLOATING_SAVE_AREA { pub ControlWord: u32, pub StatusWord: u32, @@ -3351,16 +3213,9 @@ pub struct FLOATING_SAVE_AREA { pub RegisterArea: [u8; 80], pub Cr0NpxState: u32, } -#[cfg(any(target_arch = "aarch64", target_arch = "arm64ec", target_arch = "x86_64"))] -impl Copy for FLOATING_SAVE_AREA {} -#[cfg(any(target_arch = "aarch64", target_arch = "arm64ec", target_arch = "x86_64"))] -impl Clone for FLOATING_SAVE_AREA { - fn clone(&self) -> Self { - *self - } -} #[repr(C)] #[cfg(target_arch = "x86")] +#[derive(Clone, Copy)] pub struct FLOATING_SAVE_AREA { pub ControlWord: u32, pub StatusWord: u32, @@ -3372,14 +3227,6 @@ pub struct FLOATING_SAVE_AREA { pub RegisterArea: [u8; 80], pub Spare0: u32, } -#[cfg(target_arch = "x86")] -impl Copy for FLOATING_SAVE_AREA {} -#[cfg(target_arch = "x86")] -impl Clone for FLOATING_SAVE_AREA { - fn clone(&self) -> Self { - *self - } -} pub const FORMAT_MESSAGE_ALLOCATE_BUFFER: FORMAT_MESSAGE_OPTIONS = 256u32; pub const FORMAT_MESSAGE_ARGUMENT_ARRAY: FORMAT_MESSAGE_OPTIONS = 8192u32; pub const FORMAT_MESSAGE_FROM_HMODULE: FORMAT_MESSAGE_OPTIONS = 2048u32; @@ -3422,18 +3269,13 @@ pub const GENERIC_READ: GENERIC_ACCESS_RIGHTS = 2147483648u32; pub const GENERIC_WRITE: GENERIC_ACCESS_RIGHTS = 1073741824u32; pub type GETFINALPATHNAMEBYHANDLE_FLAGS = u32; #[repr(C)] +#[derive(Clone, Copy)] pub struct GUID { pub data1: u32, pub data2: u16, pub data3: u16, pub data4: [u8; 8], } -impl Copy for GUID {} -impl Clone for GUID { - fn clone(&self) -> Self { - *self - } -} impl GUID { pub const fn from_u128(uuid: u128) -> Self { Self { @@ -3454,112 +3296,67 @@ pub type HMODULE = *mut core::ffi::c_void; pub type HRESULT = i32; pub const IDLE_PRIORITY_CLASS: PROCESS_CREATION_FLAGS = 64u32; #[repr(C)] +#[derive(Clone, Copy)] pub struct IN6_ADDR { pub u: IN6_ADDR_0, } -impl Copy for IN6_ADDR {} -impl Clone for IN6_ADDR { - fn clone(&self) -> Self { - *self - } -} #[repr(C)] +#[derive(Clone, Copy)] pub union IN6_ADDR_0 { pub Byte: [u8; 16], pub Word: [u16; 8], } -impl Copy for IN6_ADDR_0 {} -impl Clone for IN6_ADDR_0 { - fn clone(&self) -> Self { - *self - } -} pub const INFINITE: u32 = 4294967295u32; pub const INHERIT_CALLER_PRIORITY: PROCESS_CREATION_FLAGS = 131072u32; pub const INHERIT_PARENT_AFFINITY: PROCESS_CREATION_FLAGS = 65536u32; #[repr(C)] +#[derive(Clone, Copy)] pub union INIT_ONCE { pub Ptr: *mut core::ffi::c_void, } -impl Copy for INIT_ONCE {} -impl Clone for INIT_ONCE { - fn clone(&self) -> Self { - *self - } -} pub const INIT_ONCE_INIT_FAILED: u32 = 4u32; pub const INVALID_FILE_ATTRIBUTES: u32 = 4294967295u32; pub const INVALID_SOCKET: SOCKET = -1i32 as _; #[repr(C)] +#[derive(Clone, Copy)] pub struct IN_ADDR { pub S_un: IN_ADDR_0, } -impl Copy for IN_ADDR {} -impl Clone for IN_ADDR { - fn clone(&self) -> Self { - *self - } -} #[repr(C)] +#[derive(Clone, Copy)] pub union IN_ADDR_0 { pub S_un_b: IN_ADDR_0_0, pub S_un_w: IN_ADDR_0_1, pub S_addr: u32, } -impl Copy for IN_ADDR_0 {} -impl Clone for IN_ADDR_0 { - fn clone(&self) -> Self { - *self - } -} #[repr(C)] +#[derive(Clone, Copy)] pub struct IN_ADDR_0_0 { pub s_b1: u8, pub s_b2: u8, pub s_b3: u8, pub s_b4: u8, } -impl Copy for IN_ADDR_0_0 {} -impl Clone for IN_ADDR_0_0 { - fn clone(&self) -> Self { - *self - } -} #[repr(C)] +#[derive(Clone, Copy)] pub struct IN_ADDR_0_1 { pub s_w1: u16, pub s_w2: u16, } -impl Copy for IN_ADDR_0_1 {} -impl Clone for IN_ADDR_0_1 { - fn clone(&self) -> Self { - *self - } -} pub const IO_REPARSE_TAG_MOUNT_POINT: u32 = 2684354563u32; pub const IO_REPARSE_TAG_SYMLINK: u32 = 2684354572u32; #[repr(C)] +#[derive(Clone, Copy)] pub struct IO_STATUS_BLOCK { pub Anonymous: IO_STATUS_BLOCK_0, pub Information: usize, } -impl Copy for IO_STATUS_BLOCK {} -impl Clone for IO_STATUS_BLOCK { - fn clone(&self) -> Self { - *self - } -} #[repr(C)] +#[derive(Clone, Copy)] pub union IO_STATUS_BLOCK_0 { pub Status: NTSTATUS, pub Pointer: *mut core::ffi::c_void, } -impl Copy for IO_STATUS_BLOCK_0 {} -impl Clone for IO_STATUS_BLOCK_0 { - fn clone(&self) -> Self { - *self - } -} pub type IPPROTO = i32; pub const IPPROTO_AH: IPPROTO = 51i32; pub const IPPROTO_CBT: IPPROTO = 7i32; @@ -3601,45 +3398,30 @@ pub const IPPROTO_UDP: IPPROTO = 17i32; pub const IPV6_ADD_MEMBERSHIP: i32 = 12i32; pub const IPV6_DROP_MEMBERSHIP: i32 = 13i32; #[repr(C)] +#[derive(Clone, Copy)] pub struct IPV6_MREQ { pub ipv6mr_multiaddr: IN6_ADDR, pub ipv6mr_interface: u32, } -impl Copy for IPV6_MREQ {} -impl Clone for IPV6_MREQ { - fn clone(&self) -> Self { - *self - } -} pub const IPV6_MULTICAST_LOOP: i32 = 11i32; pub const IPV6_V6ONLY: i32 = 27i32; pub const IP_ADD_MEMBERSHIP: i32 = 12i32; pub const IP_DROP_MEMBERSHIP: i32 = 13i32; #[repr(C)] +#[derive(Clone, Copy)] pub struct IP_MREQ { pub imr_multiaddr: IN_ADDR, pub imr_interface: IN_ADDR, } -impl Copy for IP_MREQ {} -impl Clone for IP_MREQ { - fn clone(&self) -> Self { - *self - } -} pub const IP_MULTICAST_LOOP: i32 = 11i32; pub const IP_MULTICAST_TTL: i32 = 10i32; pub const IP_TTL: i32 = 4i32; #[repr(C)] +#[derive(Clone, Copy)] pub struct LINGER { pub l_onoff: u16, pub l_linger: u16, } -impl Copy for LINGER {} -impl Clone for LINGER { - fn clone(&self) -> Self { - *self - } -} pub type LPOVERLAPPED_COMPLETION_ROUTINE = Option< unsafe extern "system" fn( dwerrorcode: u32, @@ -3673,16 +3455,11 @@ pub type LPWSAOVERLAPPED_COMPLETION_ROUTINE = Option< ), >; #[repr(C)] +#[derive(Clone, Copy)] pub struct M128A { pub Low: u64, pub High: i64, } -impl Copy for M128A {} -impl Clone for M128A { - fn clone(&self) -> Self { - *self - } -} pub const MAXIMUM_REPARSE_DATA_BUFFER_SIZE: u32 = 16384u32; pub const MAX_PATH: u32 = 260u32; pub const MB_COMPOSITE: MULTI_BYTE_TO_WIDE_CHAR_FLAGS = 2u32; @@ -3710,6 +3487,7 @@ pub type NTCREATEFILE_CREATE_DISPOSITION = u32; pub type NTCREATEFILE_CREATE_OPTIONS = u32; pub type NTSTATUS = i32; #[repr(C)] +#[derive(Clone, Copy)] pub struct OBJECT_ATTRIBUTES { pub Length: u32, pub RootDirectory: HANDLE, @@ -3718,50 +3496,29 @@ pub struct OBJECT_ATTRIBUTES { pub SecurityDescriptor: *const core::ffi::c_void, pub SecurityQualityOfService: *const core::ffi::c_void, } -impl Copy for OBJECT_ATTRIBUTES {} -impl Clone for OBJECT_ATTRIBUTES { - fn clone(&self) -> Self { - *self - } -} pub const OBJ_DONT_REPARSE: i32 = 4096i32; pub const OPEN_ALWAYS: FILE_CREATION_DISPOSITION = 4u32; pub const OPEN_EXISTING: FILE_CREATION_DISPOSITION = 3u32; #[repr(C)] +#[derive(Clone, Copy)] pub struct OVERLAPPED { pub Internal: usize, pub InternalHigh: usize, pub Anonymous: OVERLAPPED_0, pub hEvent: HANDLE, } -impl Copy for OVERLAPPED {} -impl Clone for OVERLAPPED { - fn clone(&self) -> Self { - *self - } -} #[repr(C)] +#[derive(Clone, Copy)] pub union OVERLAPPED_0 { pub Anonymous: OVERLAPPED_0_0, pub Pointer: *mut core::ffi::c_void, } -impl Copy for OVERLAPPED_0 {} -impl Clone for OVERLAPPED_0 { - fn clone(&self) -> Self { - *self - } -} #[repr(C)] +#[derive(Clone, Copy)] pub struct OVERLAPPED_0_0 { pub Offset: u32, pub OffsetHigh: u32, } -impl Copy for OVERLAPPED_0_0 {} -impl Clone for OVERLAPPED_0_0 { - fn clone(&self) -> Self { - *self - } -} pub type PCSTR = *const u8; pub type PCWSTR = *const u16; pub type PIO_APC_ROUTINE = Option< @@ -3788,18 +3545,13 @@ pub type PRIORITY_HINT = i32; pub type PROCESSOR_ARCHITECTURE = u16; pub type PROCESS_CREATION_FLAGS = u32; #[repr(C)] +#[derive(Clone, Copy)] pub struct PROCESS_INFORMATION { pub hProcess: HANDLE, pub hThread: HANDLE, pub dwProcessId: u32, pub dwThreadId: u32, } -impl Copy for PROCESS_INFORMATION {} -impl Clone for PROCESS_INFORMATION { - fn clone(&self) -> Self { - *self - } -} pub const PROCESS_MODE_BACKGROUND_BEGIN: PROCESS_CREATION_FLAGS = 1048576u32; pub const PROCESS_MODE_BACKGROUND_END: PROCESS_CREATION_FLAGS = 2097152u32; pub const PROFILE_KERNEL: PROCESS_CREATION_FLAGS = 536870912u32; @@ -3822,17 +3574,12 @@ pub const SD_RECEIVE: WINSOCK_SHUTDOWN_HOW = 0i32; pub const SD_SEND: WINSOCK_SHUTDOWN_HOW = 1i32; pub const SECURITY_ANONYMOUS: FILE_FLAGS_AND_ATTRIBUTES = 0u32; #[repr(C)] +#[derive(Clone, Copy)] pub struct SECURITY_ATTRIBUTES { pub nLength: u32, pub lpSecurityDescriptor: *mut core::ffi::c_void, pub bInheritHandle: BOOL, } -impl Copy for SECURITY_ATTRIBUTES {} -impl Clone for SECURITY_ATTRIBUTES { - fn clone(&self) -> Self { - *self - } -} pub const SECURITY_CONTEXT_TRACKING: FILE_FLAGS_AND_ATTRIBUTES = 262144u32; pub const SECURITY_DELEGATION: FILE_FLAGS_AND_ATTRIBUTES = 196608u32; pub const SECURITY_EFFECTIVE_ONLY: FILE_FLAGS_AND_ATTRIBUTES = 524288u32; @@ -3843,27 +3590,17 @@ pub const SECURITY_VALID_SQOS_FLAGS: FILE_FLAGS_AND_ATTRIBUTES = 2031616u32; pub type SEND_RECV_FLAGS = i32; pub type SET_FILE_POINTER_MOVE_METHOD = u32; #[repr(C)] +#[derive(Clone, Copy)] pub struct SOCKADDR { pub sa_family: ADDRESS_FAMILY, pub sa_data: [i8; 14], } -impl Copy for SOCKADDR {} -impl Clone for SOCKADDR { - fn clone(&self) -> Self { - *self - } -} #[repr(C)] +#[derive(Clone, Copy)] pub struct SOCKADDR_UN { pub sun_family: ADDRESS_FAMILY, pub sun_path: [i8; 108], } -impl Copy for SOCKADDR_UN {} -impl Clone for SOCKADDR_UN { - fn clone(&self) -> Self { - *self - } -} pub type SOCKET = usize; pub const SOCKET_ERROR: i32 = -1i32; pub const SOCK_DGRAM: WINSOCK_SOCKET_TYPE = 2i32; @@ -3879,15 +3616,10 @@ pub const SO_RCVTIMEO: i32 = 4102i32; pub const SO_SNDTIMEO: i32 = 4101i32; pub const SPECIFIC_RIGHTS_ALL: FILE_ACCESS_RIGHTS = 65535u32; #[repr(C)] +#[derive(Clone, Copy)] pub struct SRWLOCK { pub Ptr: *mut core::ffi::c_void, } -impl Copy for SRWLOCK {} -impl Clone for SRWLOCK { - fn clone(&self) -> Self { - *self - } -} pub const STACK_SIZE_PARAM_IS_A_RESERVATION: THREAD_CREATION_FLAGS = 65536u32; pub const STANDARD_RIGHTS_ALL: FILE_ACCESS_RIGHTS = 2031616u32; pub const STANDARD_RIGHTS_EXECUTE: FILE_ACCESS_RIGHTS = 131072u32; @@ -3909,17 +3641,13 @@ pub const STARTF_USESHOWWINDOW: STARTUPINFOW_FLAGS = 1u32; pub const STARTF_USESIZE: STARTUPINFOW_FLAGS = 2u32; pub const STARTF_USESTDHANDLES: STARTUPINFOW_FLAGS = 256u32; #[repr(C)] +#[derive(Clone, Copy)] pub struct STARTUPINFOEXW { pub StartupInfo: STARTUPINFOW, pub lpAttributeList: LPPROC_THREAD_ATTRIBUTE_LIST, } -impl Copy for STARTUPINFOEXW {} -impl Clone for STARTUPINFOEXW { - fn clone(&self) -> Self { - *self - } -} #[repr(C)] +#[derive(Clone, Copy)] pub struct STARTUPINFOW { pub cb: u32, pub lpReserved: PWSTR, @@ -3940,12 +3668,6 @@ pub struct STARTUPINFOW { pub hStdOutput: HANDLE, pub hStdError: HANDLE, } -impl Copy for STARTUPINFOW {} -impl Clone for STARTUPINFOW { - fn clone(&self) -> Self { - *self - } -} pub type STARTUPINFOW_FLAGS = u32; pub const STATUS_DELETE_PENDING: NTSTATUS = 0xC0000056_u32 as _; pub const STATUS_END_OF_FILE: NTSTATUS = 0xC0000011_u32 as _; @@ -3964,6 +3686,7 @@ pub const SYMLINK_FLAG_RELATIVE: u32 = 1u32; pub type SYNCHRONIZATION_ACCESS_RIGHTS = u32; pub const SYNCHRONIZE: FILE_ACCESS_RIGHTS = 1048576u32; #[repr(C)] +#[derive(Clone, Copy)] pub struct SYSTEM_INFO { pub Anonymous: SYSTEM_INFO_0, pub dwPageSize: u32, @@ -3976,34 +3699,18 @@ pub struct SYSTEM_INFO { pub wProcessorLevel: u16, pub wProcessorRevision: u16, } -impl Copy for SYSTEM_INFO {} -impl Clone for SYSTEM_INFO { - fn clone(&self) -> Self { - *self - } -} #[repr(C)] +#[derive(Clone, Copy)] pub union SYSTEM_INFO_0 { pub dwOemId: u32, pub Anonymous: SYSTEM_INFO_0_0, } -impl Copy for SYSTEM_INFO_0 {} -impl Clone for SYSTEM_INFO_0 { - fn clone(&self) -> Self { - *self - } -} #[repr(C)] +#[derive(Clone, Copy)] pub struct SYSTEM_INFO_0_0 { pub wProcessorArchitecture: PROCESSOR_ARCHITECTURE, pub wReserved: u16, } -impl Copy for SYSTEM_INFO_0_0 {} -impl Clone for SYSTEM_INFO_0_0 { - fn clone(&self) -> Self { - *self - } -} pub const TCP_NODELAY: i32 = 1i32; pub const THREAD_CREATE_RUN_IMMEDIATELY: THREAD_CREATION_FLAGS = 0u32; pub const THREAD_CREATE_SUSPENDED: THREAD_CREATION_FLAGS = 4u32; @@ -4011,16 +3718,11 @@ pub type THREAD_CREATION_FLAGS = u32; pub const TIMER_ALL_ACCESS: SYNCHRONIZATION_ACCESS_RIGHTS = 2031619u32; pub const TIMER_MODIFY_STATE: SYNCHRONIZATION_ACCESS_RIGHTS = 2u32; #[repr(C)] +#[derive(Clone, Copy)] pub struct TIMEVAL { pub tv_sec: i32, pub tv_usec: i32, } -impl Copy for TIMEVAL {} -impl Clone for TIMEVAL { - fn clone(&self) -> Self { - *self - } -} pub const TLS_OUT_OF_INDEXES: u32 = 4294967295u32; pub type TOKEN_ACCESS_MASK = u32; pub const TOKEN_ACCESS_PSEUDO_HANDLE: TOKEN_ACCESS_MASK = 24u32; @@ -4047,17 +3749,12 @@ pub const TOKEN_WRITE_OWNER: TOKEN_ACCESS_MASK = 524288u32; pub const TRUE: BOOL = 1i32; pub const TRUNCATE_EXISTING: FILE_CREATION_DISPOSITION = 5u32; #[repr(C)] +#[derive(Clone, Copy)] pub struct UNICODE_STRING { pub Length: u16, pub MaximumLength: u16, pub Buffer: PWSTR, } -impl Copy for UNICODE_STRING {} -impl Clone for UNICODE_STRING { - fn clone(&self) -> Self { - *self - } -} pub const VOLUME_NAME_DOS: GETFINALPATHNAMEBYHANDLE_FLAGS = 0u32; pub const VOLUME_NAME_GUID: GETFINALPATHNAMEBYHANDLE_FLAGS = 1u32; pub const VOLUME_NAME_NONE: GETFINALPATHNAMEBYHANDLE_FLAGS = 4u32; @@ -4071,6 +3768,7 @@ pub const WAIT_TIMEOUT: WAIT_EVENT = 258u32; pub const WC_ERR_INVALID_CHARS: u32 = 128u32; pub type WIN32_ERROR = u32; #[repr(C)] +#[derive(Clone, Copy)] pub struct WIN32_FIND_DATAW { pub dwFileAttributes: u32, pub ftCreationTime: FILETIME, @@ -4083,30 +3781,20 @@ pub struct WIN32_FIND_DATAW { pub cFileName: [u16; 260], pub cAlternateFileName: [u16; 14], } -impl Copy for WIN32_FIND_DATAW {} -impl Clone for WIN32_FIND_DATAW { - fn clone(&self) -> Self { - *self - } -} pub type WINSOCK_SHUTDOWN_HOW = i32; pub type WINSOCK_SOCKET_TYPE = i32; pub const WRITE_DAC: FILE_ACCESS_RIGHTS = 262144u32; pub const WRITE_OWNER: FILE_ACCESS_RIGHTS = 524288u32; pub const WSABASEERR: WSA_ERROR = 10000i32; #[repr(C)] +#[derive(Clone, Copy)] pub struct WSABUF { pub len: u32, pub buf: PSTR, } -impl Copy for WSABUF {} -impl Clone for WSABUF { - fn clone(&self) -> Self { - *self - } -} #[repr(C)] #[cfg(any(target_arch = "aarch64", target_arch = "arm64ec", target_arch = "x86_64"))] +#[derive(Clone, Copy)] pub struct WSADATA { pub wVersion: u16, pub wHighVersion: u16, @@ -4116,16 +3804,9 @@ pub struct WSADATA { pub szDescription: [i8; 257], pub szSystemStatus: [i8; 129], } -#[cfg(any(target_arch = "aarch64", target_arch = "arm64ec", target_arch = "x86_64"))] -impl Copy for WSADATA {} -#[cfg(any(target_arch = "aarch64", target_arch = "arm64ec", target_arch = "x86_64"))] -impl Clone for WSADATA { - fn clone(&self) -> Self { - *self - } -} #[repr(C)] #[cfg(target_arch = "x86")] +#[derive(Clone, Copy)] pub struct WSADATA { pub wVersion: u16, pub wHighVersion: u16, @@ -4135,14 +3816,6 @@ pub struct WSADATA { pub iMaxUdpDg: u16, pub lpVendorInfo: PSTR, } -#[cfg(target_arch = "x86")] -impl Copy for WSADATA {} -#[cfg(target_arch = "x86")] -impl Clone for WSADATA { - fn clone(&self) -> Self { - *self - } -} pub const WSAEACCES: WSA_ERROR = 10013i32; pub const WSAEADDRINUSE: WSA_ERROR = 10048i32; pub const WSAEADDRNOTAVAIL: WSA_ERROR = 10049i32; @@ -4198,17 +3871,13 @@ pub const WSANOTINITIALISED: WSA_ERROR = 10093i32; pub const WSANO_DATA: WSA_ERROR = 11004i32; pub const WSANO_RECOVERY: WSA_ERROR = 11003i32; #[repr(C)] +#[derive(Clone, Copy)] pub struct WSAPROTOCOLCHAIN { pub ChainLen: i32, pub ChainEntries: [u32; 7], } -impl Copy for WSAPROTOCOLCHAIN {} -impl Clone for WSAPROTOCOLCHAIN { - fn clone(&self) -> Self { - *self - } -} #[repr(C)] +#[derive(Clone, Copy)] pub struct WSAPROTOCOL_INFOW { pub dwServiceFlags1: u32, pub dwServiceFlags2: u32, @@ -4231,12 +3900,6 @@ pub struct WSAPROTOCOL_INFOW { pub dwProviderReserved: u32, pub szProtocol: [u16; 256], } -impl Copy for WSAPROTOCOL_INFOW {} -impl Clone for WSAPROTOCOL_INFOW { - fn clone(&self) -> Self { - *self - } -} pub const WSASERVICE_NOT_FOUND: WSA_ERROR = 10108i32; pub const WSASYSCALLFAILURE: WSA_ERROR = 10107i32; pub const WSASYSNOTREADY: WSA_ERROR = 10091i32; @@ -4287,6 +3950,7 @@ pub const WSA_WAIT_EVENT_0: WSA_ERROR = 0i32; pub const WSA_WAIT_IO_COMPLETION: WSA_ERROR = 192i32; #[repr(C)] #[cfg(any(target_arch = "aarch64", target_arch = "arm64ec", target_arch = "x86_64"))] +#[derive(Clone, Copy)] pub struct XSAVE_FORMAT { pub ControlWord: u16, pub StatusWord: u16, @@ -4305,16 +3969,9 @@ pub struct XSAVE_FORMAT { pub XmmRegisters: [M128A; 16], pub Reserved4: [u8; 96], } -#[cfg(any(target_arch = "aarch64", target_arch = "arm64ec", target_arch = "x86_64"))] -impl Copy for XSAVE_FORMAT {} -#[cfg(any(target_arch = "aarch64", target_arch = "arm64ec", target_arch = "x86_64"))] -impl Clone for XSAVE_FORMAT { - fn clone(&self) -> Self { - *self - } -} #[repr(C)] #[cfg(target_arch = "x86")] +#[derive(Clone, Copy)] pub struct XSAVE_FORMAT { pub ControlWord: u16, pub StatusWord: u16, @@ -4333,12 +3990,4 @@ pub struct XSAVE_FORMAT { pub XmmRegisters: [M128A; 8], pub Reserved4: [u8; 224], } -#[cfg(target_arch = "x86")] -impl Copy for XSAVE_FORMAT {} -#[cfg(target_arch = "x86")] -impl Clone for XSAVE_FORMAT { - fn clone(&self) -> Self { - *self - } -} // ignore-tidy-filelength diff --git a/src/tools/generate-windows-sys/Cargo.toml b/src/tools/generate-windows-sys/Cargo.toml index 8b971d6efe7e..ebf3082fb4f2 100644 --- a/src/tools/generate-windows-sys/Cargo.toml +++ b/src/tools/generate-windows-sys/Cargo.toml @@ -4,4 +4,4 @@ version = "0.1.0" edition = "2021" [dependencies.windows-bindgen] -version = "0.56.0" +version = "0.57.0" From af4d6c74efb31e34f75dfe5faf6064a0ff9cbd7c Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Mon, 10 Jun 2024 17:24:36 +0200 Subject: [PATCH 1279/1716] interpret: refactor dyn trait handling We can check that the vtable is for the right trait very early, and then just pass the type around. --- .../rustc_const_eval/src/interpret/cast.rs | 9 +-- .../rustc_const_eval/src/interpret/memory.rs | 19 ++++-- .../rustc_const_eval/src/interpret/place.rs | 49 -------------- .../src/interpret/terminator.rs | 37 +++++------ .../rustc_const_eval/src/interpret/traits.rs | 66 ++++++++++++++----- .../src/interpret/validity.rs | 18 ++--- .../rustc_const_eval/src/interpret/visitor.rs | 4 +- 7 files changed, 90 insertions(+), 112 deletions(-) diff --git a/compiler/rustc_const_eval/src/interpret/cast.rs b/compiler/rustc_const_eval/src/interpret/cast.rs index 19414c72c6a4..1ac899f9aa54 100644 --- a/compiler/rustc_const_eval/src/interpret/cast.rs +++ b/compiler/rustc_const_eval/src/interpret/cast.rs @@ -383,7 +383,6 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { match (&src_pointee_ty.kind(), &dest_pointee_ty.kind()) { (&ty::Array(_, length), &ty::Slice(_)) => { let ptr = self.read_pointer(src)?; - // u64 cast is from usize to u64, which is always good let val = Immediate::new_slice( ptr, length.eval_target_usize(*self.tcx, self.param_env), @@ -401,13 +400,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { let (old_data, old_vptr) = val.to_scalar_pair(); let old_data = old_data.to_pointer(self)?; let old_vptr = old_vptr.to_pointer(self)?; - let (ty, old_trait) = self.get_ptr_vtable(old_vptr)?; - if old_trait != data_a.principal() { - throw_ub!(InvalidVTableTrait { - expected_trait: data_a, - vtable_trait: old_trait, - }); - } + let ty = self.get_ptr_vtable_ty(old_vptr, Some(data_a))?; let new_vptr = self.get_vtable_ptr(ty, data_b.principal())?; self.write_immediate(Immediate::new_dyn_trait(old_data, new_vptr, self), dest) } diff --git a/compiler/rustc_const_eval/src/interpret/memory.rs b/compiler/rustc_const_eval/src/interpret/memory.rs index 521f28b7123e..84c6dad1cd3f 100644 --- a/compiler/rustc_const_eval/src/interpret/memory.rs +++ b/compiler/rustc_const_eval/src/interpret/memory.rs @@ -867,19 +867,28 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { .ok_or_else(|| err_ub!(InvalidFunctionPointer(Pointer::new(alloc_id, offset))).into()) } - pub fn get_ptr_vtable( + /// Get the dynamic type of the given vtable pointer. + /// If `expected_trait` is `Some`, it must be a vtable for the given trait. + pub fn get_ptr_vtable_ty( &self, ptr: Pointer>, - ) -> InterpResult<'tcx, (Ty<'tcx>, Option>)> { + expected_trait: Option<&'tcx ty::List>>, + ) -> InterpResult<'tcx, Ty<'tcx>> { trace!("get_ptr_vtable({:?})", ptr); let (alloc_id, offset, _tag) = self.ptr_get_alloc_id(ptr)?; if offset.bytes() != 0 { throw_ub!(InvalidVTablePointer(Pointer::new(alloc_id, offset))) } - match self.tcx.try_get_global_alloc(alloc_id) { - Some(GlobalAlloc::VTable(ty, trait_ref)) => Ok((ty, trait_ref)), - _ => throw_ub!(InvalidVTablePointer(Pointer::new(alloc_id, offset))), + let Some(GlobalAlloc::VTable(ty, vtable_trait)) = self.tcx.try_get_global_alloc(alloc_id) + else { + throw_ub!(InvalidVTablePointer(Pointer::new(alloc_id, offset))) + }; + if let Some(expected_trait) = expected_trait { + if vtable_trait != expected_trait.principal() { + throw_ub!(InvalidVTableTrait { expected_trait, vtable_trait }); + } } + Ok(ty) } pub fn alloc_mark_immutable(&mut self, id: AllocId) -> InterpResult<'tcx> { diff --git a/compiler/rustc_const_eval/src/interpret/place.rs b/compiler/rustc_const_eval/src/interpret/place.rs index 4a86ec3f57a4..a0630d7f3b5d 100644 --- a/compiler/rustc_const_eval/src/interpret/place.rs +++ b/compiler/rustc_const_eval/src/interpret/place.rs @@ -9,7 +9,6 @@ use tracing::{instrument, trace}; use rustc_ast::Mutability; use rustc_middle::mir; -use rustc_middle::ty; use rustc_middle::ty::layout::{LayoutOf, TyAndLayout}; use rustc_middle::ty::Ty; use rustc_middle::{bug, span_bug}; @@ -1017,54 +1016,6 @@ where let layout = self.layout_of(raw.ty)?; Ok(self.ptr_to_mplace(ptr.into(), layout)) } - - /// Turn a place with a `dyn Trait` type into a place with the actual dynamic type. - /// Aso returns the vtable. - pub(super) fn unpack_dyn_trait( - &self, - mplace: &MPlaceTy<'tcx, M::Provenance>, - expected_trait: &'tcx ty::List>, - ) -> InterpResult<'tcx, (MPlaceTy<'tcx, M::Provenance>, Pointer>)> { - assert!( - matches!(mplace.layout.ty.kind(), ty::Dynamic(_, _, ty::Dyn)), - "`unpack_dyn_trait` only makes sense on `dyn*` types" - ); - let vtable = mplace.meta().unwrap_meta().to_pointer(self)?; - let (ty, vtable_trait) = self.get_ptr_vtable(vtable)?; - if expected_trait.principal() != vtable_trait { - throw_ub!(InvalidVTableTrait { expected_trait, vtable_trait }); - } - // This is a kind of transmute, from a place with unsized type and metadata to - // a place with sized type and no metadata. - let layout = self.layout_of(ty)?; - let mplace = - MPlaceTy { mplace: MemPlace { meta: MemPlaceMeta::None, ..mplace.mplace }, layout }; - Ok((mplace, vtable)) - } - - /// Turn a `dyn* Trait` type into an value with the actual dynamic type. - /// Also returns the vtable. - pub(super) fn unpack_dyn_star>( - &self, - val: &P, - expected_trait: &'tcx ty::List>, - ) -> InterpResult<'tcx, (P, Pointer>)> { - assert!( - matches!(val.layout().ty.kind(), ty::Dynamic(_, _, ty::DynStar)), - "`unpack_dyn_star` only makes sense on `dyn*` types" - ); - let data = self.project_field(val, 0)?; - let vtable = self.project_field(val, 1)?; - let vtable = self.read_pointer(&vtable.to_op(self)?)?; - let (ty, vtable_trait) = self.get_ptr_vtable(vtable)?; - if expected_trait.principal() != vtable_trait { - throw_ub!(InvalidVTableTrait { expected_trait, vtable_trait }); - } - // `data` is already the right thing but has the wrong type. So we transmute it. - let layout = self.layout_of(ty)?; - let data = data.transmute(layout, self)?; - Ok((data, vtable)) - } } // Some nodes are used a lot. Make sure they don't unintentionally get bigger. diff --git a/compiler/rustc_const_eval/src/interpret/terminator.rs b/compiler/rustc_const_eval/src/interpret/terminator.rs index cbfe25ca8df5..8f76a1486795 100644 --- a/compiler/rustc_const_eval/src/interpret/terminator.rs +++ b/compiler/rustc_const_eval/src/interpret/terminator.rs @@ -1,6 +1,7 @@ use std::borrow::Cow; use either::Either; +use rustc_middle::ty::TyCtxt; use tracing::trace; use rustc_middle::span_bug; @@ -827,20 +828,19 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { }; // Obtain the underlying trait we are working on, and the adjusted receiver argument. - let (vptr, dyn_ty, adjusted_receiver) = if let ty::Dynamic(data, _, ty::DynStar) = + let (dyn_trait, dyn_ty, adjusted_recv) = if let ty::Dynamic(data, _, ty::DynStar) = receiver_place.layout.ty.kind() { - let (recv, vptr) = self.unpack_dyn_star(&receiver_place, data)?; - let (dyn_ty, _dyn_trait) = self.get_ptr_vtable(vptr)?; + let recv = self.unpack_dyn_star(&receiver_place, data)?; - (vptr, dyn_ty, recv.ptr()) + (data.principal(), recv.layout.ty, recv.ptr()) } else { // Doesn't have to be a `dyn Trait`, but the unsized tail must be `dyn Trait`. // (For that reason we also cannot use `unpack_dyn_trait`.) let receiver_tail = self .tcx .struct_tail_erasing_lifetimes(receiver_place.layout.ty, self.param_env); - let ty::Dynamic(data, _, ty::Dyn) = receiver_tail.kind() else { + let ty::Dynamic(receiver_trait, _, ty::Dyn) = receiver_tail.kind() else { span_bug!( self.cur_span(), "dynamic call on non-`dyn` type {}", @@ -851,25 +851,24 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { // Get the required information from the vtable. let vptr = receiver_place.meta().unwrap_meta().to_pointer(self)?; - let (dyn_ty, dyn_trait) = self.get_ptr_vtable(vptr)?; - if dyn_trait != data.principal() { - throw_ub!(InvalidVTableTrait { - expected_trait: data, - vtable_trait: dyn_trait, - }); - } + let dyn_ty = self.get_ptr_vtable_ty(vptr, Some(receiver_trait))?; // It might be surprising that we use a pointer as the receiver even if this // is a by-val case; this works because by-val passing of an unsized `dyn // Trait` to a function is actually desugared to a pointer. - (vptr, dyn_ty, receiver_place.ptr()) + (receiver_trait.principal(), dyn_ty, receiver_place.ptr()) }; // Now determine the actual method to call. We can do that in two different ways and // compare them to ensure everything fits. - let Some(ty::VtblEntry::Method(fn_inst)) = - self.get_vtable_entries(vptr)?.get(idx).copied() - else { + let vtable_entries = if let Some(dyn_trait) = dyn_trait { + let trait_ref = dyn_trait.with_self_ty(*self.tcx, dyn_ty); + let trait_ref = self.tcx.erase_regions(trait_ref); + self.tcx.vtable_entries(trait_ref) + } else { + TyCtxt::COMMON_VTABLE_ENTRIES + }; + let Some(ty::VtblEntry::Method(fn_inst)) = vtable_entries.get(idx).copied() else { // FIXME(fee1-dead) these could be variants of the UB info enum instead of this throw_ub_custom!(fluent::const_eval_dyn_call_not_a_method); }; @@ -898,7 +897,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { let receiver_ty = Ty::new_mut_ptr(self.tcx.tcx, dyn_ty); args[0] = FnArg::Copy( ImmTy::from_immediate( - Scalar::from_maybe_pointer(adjusted_receiver, self).into(), + Scalar::from_maybe_pointer(adjusted_recv, self).into(), self.layout_of(receiver_ty)?, ) .into(), @@ -974,11 +973,11 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { let place = match place.layout.ty.kind() { ty::Dynamic(data, _, ty::Dyn) => { // Dropping a trait object. Need to find actual drop fn. - self.unpack_dyn_trait(&place, data)?.0 + self.unpack_dyn_trait(&place, data)? } ty::Dynamic(data, _, ty::DynStar) => { // Dropping a `dyn*`. Need to find actual drop fn. - self.unpack_dyn_star(&place, data)?.0 + self.unpack_dyn_star(&place, data)? } _ => { debug_assert_eq!( diff --git a/compiler/rustc_const_eval/src/interpret/traits.rs b/compiler/rustc_const_eval/src/interpret/traits.rs index 244a6ba48a4d..1df9f5f7b2a2 100644 --- a/compiler/rustc_const_eval/src/interpret/traits.rs +++ b/compiler/rustc_const_eval/src/interpret/traits.rs @@ -1,11 +1,11 @@ use rustc_middle::mir::interpret::{InterpResult, Pointer}; use rustc_middle::ty::layout::LayoutOf; -use rustc_middle::ty::{self, Ty, TyCtxt}; +use rustc_middle::ty::{self, Ty}; use rustc_target::abi::{Align, Size}; use tracing::trace; use super::util::ensure_monomorphic_enough; -use super::{InterpCx, Machine}; +use super::{InterpCx, MPlaceTy, Machine, MemPlaceMeta, OffsetMode, Projectable}; impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { /// Creates a dynamic vtable for the given type and vtable origin. This is used only for @@ -33,28 +33,58 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { Ok(vtable_ptr.into()) } - /// Returns a high-level representation of the entries of the given vtable. - pub fn get_vtable_entries( - &self, - vtable: Pointer>, - ) -> InterpResult<'tcx, &'tcx [ty::VtblEntry<'tcx>]> { - let (ty, poly_trait_ref) = self.get_ptr_vtable(vtable)?; - Ok(if let Some(poly_trait_ref) = poly_trait_ref { - let trait_ref = poly_trait_ref.with_self_ty(*self.tcx, ty); - let trait_ref = self.tcx.erase_regions(trait_ref); - self.tcx.vtable_entries(trait_ref) - } else { - TyCtxt::COMMON_VTABLE_ENTRIES - }) - } - pub fn get_vtable_size_and_align( &self, vtable: Pointer>, ) -> InterpResult<'tcx, (Size, Align)> { - let (ty, _trait_ref) = self.get_ptr_vtable(vtable)?; + let ty = self.get_ptr_vtable_ty(vtable, None)?; let layout = self.layout_of(ty)?; assert!(layout.is_sized(), "there are no vtables for unsized types"); Ok((layout.size, layout.align.abi)) } + + /// Turn a place with a `dyn Trait` type into a place with the actual dynamic type. + pub(super) fn unpack_dyn_trait( + &self, + mplace: &MPlaceTy<'tcx, M::Provenance>, + expected_trait: &'tcx ty::List>, + ) -> InterpResult<'tcx, MPlaceTy<'tcx, M::Provenance>> { + assert!( + matches!(mplace.layout.ty.kind(), ty::Dynamic(_, _, ty::Dyn)), + "`unpack_dyn_trait` only makes sense on `dyn*` types" + ); + let vtable = mplace.meta().unwrap_meta().to_pointer(self)?; + let ty = self.get_ptr_vtable_ty(vtable, Some(expected_trait))?; + // This is a kind of transmute, from a place with unsized type and metadata to + // a place with sized type and no metadata. + let layout = self.layout_of(ty)?; + let mplace = mplace.offset_with_meta( + Size::ZERO, + OffsetMode::Wrapping, + MemPlaceMeta::None, + layout, + self, + )?; + Ok(mplace) + } + + /// Turn a `dyn* Trait` type into an value with the actual dynamic type. + pub(super) fn unpack_dyn_star>( + &self, + val: &P, + expected_trait: &'tcx ty::List>, + ) -> InterpResult<'tcx, P> { + assert!( + matches!(val.layout().ty.kind(), ty::Dynamic(_, _, ty::DynStar)), + "`unpack_dyn_star` only makes sense on `dyn*` types" + ); + let data = self.project_field(val, 0)?; + let vtable = self.project_field(val, 1)?; + let vtable = self.read_pointer(&vtable.to_op(self)?)?; + let ty = self.get_ptr_vtable_ty(vtable, Some(expected_trait))?; + // `data` is already the right thing but has the wrong type. So we transmute it. + let layout = self.layout_of(ty)?; + let data = data.transmute(layout, self)?; + Ok(data) + } } diff --git a/compiler/rustc_const_eval/src/interpret/validity.rs b/compiler/rustc_const_eval/src/interpret/validity.rs index 3407c7b8c792..92462e17da8a 100644 --- a/compiler/rustc_const_eval/src/interpret/validity.rs +++ b/compiler/rustc_const_eval/src/interpret/validity.rs @@ -343,20 +343,16 @@ impl<'rt, 'tcx, M: Machine<'tcx>> ValidityVisitor<'rt, 'tcx, M> { match tail.kind() { ty::Dynamic(data, _, ty::Dyn) => { let vtable = meta.unwrap_meta().to_pointer(self.ecx)?; - // Make sure it is a genuine vtable pointer. - let (_dyn_ty, dyn_trait) = try_validation!( - self.ecx.get_ptr_vtable(vtable), + // Make sure it is a genuine vtable pointer for the right trait. + try_validation!( + self.ecx.get_ptr_vtable_ty(vtable, Some(data)), self.path, Ub(DanglingIntPointer(..) | InvalidVTablePointer(..)) => - InvalidVTablePtr { value: format!("{vtable}") } + InvalidVTablePtr { value: format!("{vtable}") }, + Ub(InvalidVTableTrait { expected_trait, vtable_trait }) => { + InvalidMetaWrongTrait { expected_trait, vtable_trait: *vtable_trait } + }, ); - // Make sure it is for the right trait. - if dyn_trait != data.principal() { - throw_validation_failure!( - self.path, - InvalidMetaWrongTrait { expected_trait: data, vtable_trait: dyn_trait } - ); - } } ty::Slice(..) | ty::Str => { let _len = meta.unwrap_meta().to_target_usize(self.ecx)?; diff --git a/compiler/rustc_const_eval/src/interpret/visitor.rs b/compiler/rustc_const_eval/src/interpret/visitor.rs index b812e89854b2..71c057e549b4 100644 --- a/compiler/rustc_const_eval/src/interpret/visitor.rs +++ b/compiler/rustc_const_eval/src/interpret/visitor.rs @@ -95,7 +95,7 @@ pub trait ValueVisitor<'tcx, M: Machine<'tcx>>: Sized { // unsized values are never immediate, so we can assert_mem_place let op = v.to_op(self.ecx())?; let dest = op.assert_mem_place(); - let inner_mplace = self.ecx().unpack_dyn_trait(&dest, data)?.0; + let inner_mplace = self.ecx().unpack_dyn_trait(&dest, data)?; trace!("walk_value: dyn object layout: {:#?}", inner_mplace.layout); // recurse with the inner type return self.visit_field(v, 0, &inner_mplace.into()); @@ -104,7 +104,7 @@ pub trait ValueVisitor<'tcx, M: Machine<'tcx>>: Sized { // DynStar types. Very different from a dyn type (but strangely part of the // same variant in `TyKind`): These are pairs where the 2nd component is the // vtable, and the first component is the data (which must be ptr-sized). - let data = self.ecx().unpack_dyn_star(v, data)?.0; + let data = self.ecx().unpack_dyn_star(v, data)?; return self.visit_field(v, 0, &data); } // Slices do not need special handling here: they have `Array` field From c28e6065963f2cff68608700a43ce50d6e9454a0 Mon Sep 17 00:00:00 2001 From: tiif Date: Mon, 10 Jun 2024 23:51:13 +0800 Subject: [PATCH 1280/1716] Add socketpair shim --- src/tools/miri/src/shims/unix/socket.rs | 201 ++++++++++++++++-- .../fail-dep/libc/socketpair_read_blocking.rs | 12 ++ .../libc/socketpair_read_blocking.stderr | 14 ++ .../libc/socketpair_write_blocking.rs | 16 ++ .../libc/socketpair_write_blocking.stderr | 14 ++ .../tests/pass-dep/libc/libc-socketpair.rs | 124 +++++++++++ 6 files changed, 366 insertions(+), 15 deletions(-) create mode 100644 src/tools/miri/tests/fail-dep/libc/socketpair_read_blocking.rs create mode 100644 src/tools/miri/tests/fail-dep/libc/socketpair_read_blocking.stderr create mode 100644 src/tools/miri/tests/fail-dep/libc/socketpair_write_blocking.rs create mode 100644 src/tools/miri/tests/fail-dep/libc/socketpair_write_blocking.stderr create mode 100644 src/tools/miri/tests/pass-dep/libc/libc-socketpair.rs diff --git a/src/tools/miri/src/shims/unix/socket.rs b/src/tools/miri/src/shims/unix/socket.rs index 7eb7e28ea367..c14cb750146f 100644 --- a/src/tools/miri/src/shims/unix/socket.rs +++ b/src/tools/miri/src/shims/unix/socket.rs @@ -1,15 +1,38 @@ +use std::cell::RefCell; +use std::collections::VecDeque; use std::io; +use std::io::{Error, ErrorKind, Read}; +use std::rc::{Rc, Weak}; use crate::shims::unix::*; -use crate::*; +use crate::{concurrency::VClock, *}; use self::fd::FileDescriptor; +/// The maximum capacity of the socketpair buffer in bytes. +/// This number is arbitrary as the value can always +/// be configured in the real system. +const MAX_SOCKETPAIR_BUFFER_CAPACITY: usize = 212992; + /// Pair of connected sockets. -/// -/// We currently don't allow sending any data through this pair, so this can be just a dummy. #[derive(Debug)] -struct SocketPair; +struct SocketPair { + // By making the write link weak, a `write` can detect when all readers are + // gone, and trigger EPIPE as appropriate. + writebuf: Weak>, + readbuf: Rc>, + is_nonblock: bool, +} + +#[derive(Debug)] +struct Buffer { + buf: VecDeque, + clock: VClock, + /// Indicates if there is at least one active writer to this buffer. + /// If all writers of this buffer are dropped, buf_has_writer becomes false and we + /// indicate EOF instead of blocking. + buf_has_writer: bool, +} impl FileDescription for SocketPair { fn name(&self) -> &'static str { @@ -20,17 +43,102 @@ impl FileDescription for SocketPair { self: Box, _communicate_allowed: bool, ) -> InterpResult<'tcx, io::Result<()>> { + // This is used to signal socketfd of other side that there is no writer to its readbuf. + // If the upgrade fails, there is no need to update as all read ends have been dropped. + if let Some(writebuf) = self.writebuf.upgrade() { + writebuf.borrow_mut().buf_has_writer = false; + }; Ok(Ok(())) } + + fn read<'tcx>( + &mut self, + _communicate_allowed: bool, + bytes: &mut [u8], + ecx: &mut MiriInterpCx<'tcx>, + ) -> InterpResult<'tcx, io::Result> { + let request_byte_size = bytes.len(); + let mut readbuf = self.readbuf.borrow_mut(); + + // Always succeed on read size 0. + if request_byte_size == 0 { + return Ok(Ok(0)); + } + + if readbuf.buf.is_empty() { + if !readbuf.buf_has_writer { + // Socketpair with no writer and empty buffer. + // 0 bytes successfully read indicates end-of-file. + return Ok(Ok(0)); + } else { + if self.is_nonblock { + // Non-blocking socketpair with writer and empty buffer. + // https://linux.die.net/man/2/read + // EAGAIN or EWOULDBLOCK can be returned for socket, + // POSIX.1-2001 allows either error to be returned for this case. + // Since there is no ErrorKind for EAGAIN, WouldBlock is used. + return Ok(Err(Error::from(ErrorKind::WouldBlock))); + } else { + // Blocking socketpair with writer and empty buffer. + // FIXME: blocking is currently not supported + throw_unsup_format!("socketpair read: blocking isn't supported yet"); + } + } + } + + // Synchronize with all previous writes to this buffer. + // FIXME: this over-synchronizes; a more precise approach would be to + // only sync with the writes whose data we will read. + ecx.acquire_clock(&readbuf.clock); + // Do full read / partial read based on the space available. + // Conveniently, `read` exists on `VecDeque` and has exactly the desired behavior. + let actual_read_size = readbuf.buf.read(bytes).unwrap(); + return Ok(Ok(actual_read_size)); + } + + fn write<'tcx>( + &mut self, + _communicate_allowed: bool, + bytes: &[u8], + ecx: &mut MiriInterpCx<'tcx>, + ) -> InterpResult<'tcx, io::Result> { + let write_size = bytes.len(); + // Always succeed on write size 0. + // ("If count is zero and fd refers to a file other than a regular file, the results are not specified.") + if write_size == 0 { + return Ok(Ok(0)); + } + + let Some(writebuf) = self.writebuf.upgrade() else { + // If the upgrade from Weak to Rc fails, it indicates that all read ends have been + // closed. + return Ok(Err(Error::from(ErrorKind::BrokenPipe))); + }; + let mut writebuf = writebuf.borrow_mut(); + let data_size = writebuf.buf.len(); + let available_space = MAX_SOCKETPAIR_BUFFER_CAPACITY.checked_sub(data_size).unwrap(); + if available_space == 0 { + if self.is_nonblock { + // Non-blocking socketpair with a full buffer. + return Ok(Err(Error::from(ErrorKind::WouldBlock))); + } else { + // Blocking socketpair with a full buffer. + throw_unsup_format!("socketpair write: blocking isn't supported yet"); + } + } + // Remember this clock so `read` can synchronize with us. + if let Some(clock) = &ecx.release_clock() { + writebuf.clock.join(clock); + } + // Do full write / partial write based on the space available. + let actual_write_size = write_size.min(available_space); + writebuf.buf.extend(&bytes[..actual_write_size]); + return Ok(Ok(actual_write_size)); + } } impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { - /// Currently this function this function is a stub. Eventually we need to - /// properly implement an FD type for sockets and have this function create - /// two sockets and associated FDs such that writing to one will produce - /// data that can be read from the other. - /// /// For more information on the arguments see the socketpair manpage: /// fn socketpair( @@ -42,17 +150,80 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { ) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); - let _domain = this.read_scalar(domain)?.to_i32()?; - let _type_ = this.read_scalar(type_)?.to_i32()?; - let _protocol = this.read_scalar(protocol)?.to_i32()?; + let domain = this.read_scalar(domain)?.to_i32()?; + let mut type_ = this.read_scalar(type_)?.to_i32()?; + let protocol = this.read_scalar(protocol)?.to_i32()?; let sv = this.deref_pointer(sv)?; - // FIXME: fail on unsupported inputs + let mut is_sock_nonblock = false; + + // Parse and remove the type flags that we support. If type != 0 after removing, + // unsupported flags are used. + if type_ & this.eval_libc_i32("SOCK_STREAM") == this.eval_libc_i32("SOCK_STREAM") { + type_ &= !(this.eval_libc_i32("SOCK_STREAM")); + } + + // SOCK_NONBLOCK only exists on Linux. + if this.tcx.sess.target.os == "linux" { + if type_ & this.eval_libc_i32("SOCK_NONBLOCK") == this.eval_libc_i32("SOCK_NONBLOCK") { + is_sock_nonblock = true; + type_ &= !(this.eval_libc_i32("SOCK_NONBLOCK")); + } + if type_ & this.eval_libc_i32("SOCK_CLOEXEC") == this.eval_libc_i32("SOCK_CLOEXEC") { + type_ &= !(this.eval_libc_i32("SOCK_CLOEXEC")); + } + } + + // Fail on unsupported input. + // AF_UNIX and AF_LOCAL are synonyms, so we accept both in case + // their values differ. + if domain != this.eval_libc_i32("AF_UNIX") && domain != this.eval_libc_i32("AF_LOCAL") { + throw_unsup_format!( + "socketpair: Unsupported domain {:#x} is used, only AF_UNIX \ + and AF_LOCAL are allowed", + domain + ); + } else if type_ != 0 { + throw_unsup_format!( + "socketpair: Unsupported type {:#x} is used, only SOCK_STREAM, \ + SOCK_CLOEXEC and SOCK_NONBLOCK are allowed", + type_ + ); + } else if protocol != 0 { + throw_unsup_format!( + "socketpair: Unsupported socket protocol {protocol} is used, \ + only 0 is allowed", + ); + } + + let buffer1 = Rc::new(RefCell::new(Buffer { + buf: VecDeque::new(), + clock: VClock::default(), + buf_has_writer: true, + })); + + let buffer2 = Rc::new(RefCell::new(Buffer { + buf: VecDeque::new(), + clock: VClock::default(), + buf_has_writer: true, + })); + + let socketpair_0 = SocketPair { + writebuf: Rc::downgrade(&buffer1), + readbuf: Rc::clone(&buffer2), + is_nonblock: is_sock_nonblock, + }; + + let socketpair_1 = SocketPair { + writebuf: Rc::downgrade(&buffer2), + readbuf: Rc::clone(&buffer1), + is_nonblock: is_sock_nonblock, + }; let fds = &mut this.machine.fds; - let sv0 = fds.insert_fd(FileDescriptor::new(SocketPair)); + let sv0 = fds.insert_fd(FileDescriptor::new(socketpair_0)); let sv0 = Scalar::try_from_int(sv0, sv.layout.size).unwrap(); - let sv1 = fds.insert_fd(FileDescriptor::new(SocketPair)); + let sv1 = fds.insert_fd(FileDescriptor::new(socketpair_1)); let sv1 = Scalar::try_from_int(sv1, sv.layout.size).unwrap(); this.write_scalar(sv0, &sv)?; diff --git a/src/tools/miri/tests/fail-dep/libc/socketpair_read_blocking.rs b/src/tools/miri/tests/fail-dep/libc/socketpair_read_blocking.rs new file mode 100644 index 000000000000..c28a6d966fe5 --- /dev/null +++ b/src/tools/miri/tests/fail-dep/libc/socketpair_read_blocking.rs @@ -0,0 +1,12 @@ +//@ignore-target-windows: no libc socketpair on Windows + +// This is temporarily here because blocking on fd is not supported yet. +// When blocking is eventually supported, this will be moved to pass-dep/libc/libc-socketpair + +fn main() { + let mut fds = [-1, -1]; + let _ = unsafe { libc::socketpair(libc::AF_UNIX, libc::SOCK_STREAM, 0, fds.as_mut_ptr()) }; + // The read below will be blocked because the buffer is empty. + let mut buf: [u8; 3] = [0; 3]; + let _res = unsafe { libc::read(fds[1], buf.as_mut_ptr().cast(), buf.len() as libc::size_t) }; //~ERROR: blocking isn't supported +} diff --git a/src/tools/miri/tests/fail-dep/libc/socketpair_read_blocking.stderr b/src/tools/miri/tests/fail-dep/libc/socketpair_read_blocking.stderr new file mode 100644 index 000000000000..b5ed72d9f1b1 --- /dev/null +++ b/src/tools/miri/tests/fail-dep/libc/socketpair_read_blocking.stderr @@ -0,0 +1,14 @@ +error: unsupported operation: socketpair read: blocking isn't supported yet + --> $DIR/socketpair_read_blocking.rs:LL:CC + | +LL | let _res = unsafe { libc::read(fds[1], buf.as_mut_ptr().cast(), buf.len() as libc::size_t) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ socketpair read: blocking isn't supported yet + | + = help: this is likely not a bug in the program; it indicates that the program performed an operation that Miri does not support + = note: BACKTRACE: + = note: inside `main` at $DIR/socketpair_read_blocking.rs:LL:CC + +note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace + +error: aborting due to 1 previous error + diff --git a/src/tools/miri/tests/fail-dep/libc/socketpair_write_blocking.rs b/src/tools/miri/tests/fail-dep/libc/socketpair_write_blocking.rs new file mode 100644 index 000000000000..e2fbc0ae4b42 --- /dev/null +++ b/src/tools/miri/tests/fail-dep/libc/socketpair_write_blocking.rs @@ -0,0 +1,16 @@ +//@ignore-target-windows: no libc socketpair on Windows +// This is temporarily here because blocking on fd is not supported yet. +// When blocking is eventually supported, this will be moved to pass-dep/libc/libc-socketpair +fn main() { + let mut fds = [-1, -1]; + let _ = unsafe { libc::socketpair(libc::AF_UNIX, libc::SOCK_STREAM, 0, fds.as_mut_ptr()) }; + // Write size > buffer capacity + // Used up all the space in the buffer. + let arr1: [u8; 212992] = [1; 212992]; + let _ = unsafe { libc::write(fds[0], arr1.as_ptr() as *const libc::c_void, 212992) }; + let data = "abc".as_bytes().as_ptr(); + // The write below will be blocked as the buffer is full. + let _ = unsafe { libc::write(fds[0], data as *const libc::c_void, 3) }; //~ERROR: blocking isn't supported + let mut buf: [u8; 3] = [0; 3]; + let _res = unsafe { libc::read(fds[1], buf.as_mut_ptr().cast(), buf.len() as libc::size_t) }; +} diff --git a/src/tools/miri/tests/fail-dep/libc/socketpair_write_blocking.stderr b/src/tools/miri/tests/fail-dep/libc/socketpair_write_blocking.stderr new file mode 100644 index 000000000000..7b3a0d27636d --- /dev/null +++ b/src/tools/miri/tests/fail-dep/libc/socketpair_write_blocking.stderr @@ -0,0 +1,14 @@ +error: unsupported operation: socketpair write: blocking isn't supported yet + --> $DIR/socketpair_write_blocking.rs:LL:CC + | +LL | let _ = unsafe { libc::write(fds[0], data as *const libc::c_void, 3) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ socketpair write: blocking isn't supported yet + | + = help: this is likely not a bug in the program; it indicates that the program performed an operation that Miri does not support + = note: BACKTRACE: + = note: inside `main` at $DIR/socketpair_write_blocking.rs:LL:CC + +note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace + +error: aborting due to 1 previous error + diff --git a/src/tools/miri/tests/pass-dep/libc/libc-socketpair.rs b/src/tools/miri/tests/pass-dep/libc/libc-socketpair.rs new file mode 100644 index 000000000000..324c0127ee97 --- /dev/null +++ b/src/tools/miri/tests/pass-dep/libc/libc-socketpair.rs @@ -0,0 +1,124 @@ +//@ignore-target-windows: No libc socketpair on Windows +// test_race depends on a deterministic schedule. +//@compile-flags: -Zmiri-preemption-rate=0 +use std::thread; +fn main() { + test_socketpair(); + test_socketpair_threaded(); + test_race(); +} + +fn test_socketpair() { + let mut fds = [-1, -1]; + let mut res = + unsafe { libc::socketpair(libc::AF_UNIX, libc::SOCK_STREAM, 0, fds.as_mut_ptr()) }; + assert_eq!(res, 0); + + // Read size == data available in buffer. + let data = "abcde".as_bytes().as_ptr(); + res = unsafe { libc::write(fds[0], data as *const libc::c_void, 5).try_into().unwrap() }; + assert_eq!(res, 5); + let mut buf: [u8; 5] = [0; 5]; + res = unsafe { + libc::read(fds[1], buf.as_mut_ptr().cast(), buf.len() as libc::size_t).try_into().unwrap() + }; + assert_eq!(res, 5); + assert_eq!(buf, "abcde".as_bytes()); + + // Read size > data available in buffer. + let data = "abc".as_bytes().as_ptr(); + res = unsafe { libc::write(fds[0], data as *const libc::c_void, 3).try_into().unwrap() }; + assert_eq!(res, 3); + let mut buf2: [u8; 5] = [0; 5]; + res = unsafe { + libc::read(fds[1], buf2.as_mut_ptr().cast(), buf2.len() as libc::size_t).try_into().unwrap() + }; + assert_eq!(res, 3); + assert_eq!(&buf2[0..3], "abc".as_bytes()); + + // Test read and write from another direction. + // Read size == data available in buffer. + let data = "12345".as_bytes().as_ptr(); + res = unsafe { libc::write(fds[1], data as *const libc::c_void, 5).try_into().unwrap() }; + assert_eq!(res, 5); + let mut buf3: [u8; 5] = [0; 5]; + res = unsafe { + libc::read(fds[0], buf3.as_mut_ptr().cast(), buf3.len() as libc::size_t).try_into().unwrap() + }; + assert_eq!(res, 5); + assert_eq!(buf3, "12345".as_bytes()); + + // Read size > data available in buffer. + let data = "123".as_bytes().as_ptr(); + res = unsafe { libc::write(fds[1], data as *const libc::c_void, 3).try_into().unwrap() }; + assert_eq!(res, 3); + let mut buf4: [u8; 5] = [0; 5]; + res = unsafe { + libc::read(fds[0], buf4.as_mut_ptr().cast(), buf4.len() as libc::size_t).try_into().unwrap() + }; + assert_eq!(res, 3); + assert_eq!(&buf4[0..3], "123".as_bytes()); +} + +fn test_socketpair_threaded() { + let mut fds = [-1, -1]; + let mut res = + unsafe { libc::socketpair(libc::AF_UNIX, libc::SOCK_STREAM, 0, fds.as_mut_ptr()) }; + assert_eq!(res, 0); + + let data = "abcde".as_bytes().as_ptr(); + res = unsafe { libc::write(fds[0], data as *const libc::c_void, 5).try_into().unwrap() }; + assert_eq!(res, 5); + let thread1 = thread::spawn(move || { + let mut buf: [u8; 5] = [0; 5]; + let res: i64 = unsafe { + libc::read(fds[1], buf.as_mut_ptr().cast(), buf.len() as libc::size_t) + .try_into() + .unwrap() + }; + assert_eq!(res, 5); + assert_eq!(buf, "abcde".as_bytes()); + }); + thread1.join().unwrap(); + + // Read and write from different direction + let thread2 = thread::spawn(move || { + let data = "12345".as_bytes().as_ptr(); + let res: i64 = + unsafe { libc::write(fds[0], data as *const libc::c_void, 5).try_into().unwrap() }; + assert_eq!(res, 5); + }); + thread2.join().unwrap(); + let mut buf: [u8; 5] = [0; 5]; + res = unsafe { + libc::read(fds[1], buf.as_mut_ptr().cast(), buf.len() as libc::size_t).try_into().unwrap() + }; + assert_eq!(res, 5); + assert_eq!(buf, "12345".as_bytes()); +} +fn test_race() { + static mut VAL: u8 = 0; + let mut fds = [-1, -1]; + let mut res = + unsafe { libc::socketpair(libc::AF_UNIX, libc::SOCK_STREAM, 0, fds.as_mut_ptr()) }; + assert_eq!(res, 0); + let thread1 = thread::spawn(move || { + let mut buf: [u8; 1] = [0; 1]; + // write() from the main thread will occur before the read() here + // because preemption is disabled and the main thread yields after write(). + let res: i32 = unsafe { + libc::read(fds[1], buf.as_mut_ptr().cast(), buf.len() as libc::size_t) + .try_into() + .unwrap() + }; + assert_eq!(res, 1); + assert_eq!(buf, "a".as_bytes()); + unsafe { assert_eq!(VAL, 1) }; + }); + unsafe { VAL = 1 }; + let data = "a".as_bytes().as_ptr(); + res = unsafe { libc::write(fds[0], data as *const libc::c_void, 1).try_into().unwrap() }; + assert_eq!(res, 1); + thread::yield_now(); + thread1.join().unwrap(); +} From 040791a9c59d2f604060efb75c81f685ceb5f9db Mon Sep 17 00:00:00 2001 From: Bryanskiy Date: Mon, 10 Jun 2024 18:02:53 +0300 Subject: [PATCH 1281/1716] Delegation: fix ICE on late diagnostics --- .../rustc_resolve/src/late/diagnostics.rs | 7 +++++-- tests/crashes/124342.rs | 6 ------ tests/ui/delegation/ice-issue-124342.rs | 12 +++++++++++ tests/ui/delegation/ice-issue-124342.stderr | 20 +++++++++++++++++++ 4 files changed, 37 insertions(+), 8 deletions(-) delete mode 100644 tests/crashes/124342.rs create mode 100644 tests/ui/delegation/ice-issue-124342.rs create mode 100644 tests/ui/delegation/ice-issue-124342.stderr diff --git a/compiler/rustc_resolve/src/late/diagnostics.rs b/compiler/rustc_resolve/src/late/diagnostics.rs index ec24eac4a9d0..9eeb0da7ed2f 100644 --- a/compiler/rustc_resolve/src/late/diagnostics.rs +++ b/compiler/rustc_resolve/src/late/diagnostics.rs @@ -2041,8 +2041,11 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { ast::AssocItemKind::Fn(..) => AssocSuggestion::AssocFn { called }, ast::AssocItemKind::Type(..) => AssocSuggestion::AssocType, ast::AssocItemKind::Delegation(..) - if self.r.delegation_fn_sigs[&self.r.local_def_id(assoc_item.id)] - .has_self => + if self + .r + .delegation_fn_sigs + .get(&self.r.local_def_id(assoc_item.id)) + .map_or(false, |sig| sig.has_self) => { AssocSuggestion::MethodWithSelf { called } } diff --git a/tests/crashes/124342.rs b/tests/crashes/124342.rs deleted file mode 100644 index ae51b3db96f5..000000000000 --- a/tests/crashes/124342.rs +++ /dev/null @@ -1,6 +0,0 @@ -//@ known-bug: #124342 -trait Trait2 : Trait { - reuse <() as Trait>::async { - (async || {}).await; - }; -} diff --git a/tests/ui/delegation/ice-issue-124342.rs b/tests/ui/delegation/ice-issue-124342.rs new file mode 100644 index 000000000000..ad62f6bd54af --- /dev/null +++ b/tests/ui/delegation/ice-issue-124342.rs @@ -0,0 +1,12 @@ +#![feature(fn_delegation)] +#![allow(incomplete_features)] + +mod to_reuse {} + +trait Trait { + reuse to_reuse::foo { foo } + //~^ ERROR cannot find function `foo` in module `to_reuse` + //~| ERROR cannot find value `foo` in this scope +} + +fn main() {} diff --git a/tests/ui/delegation/ice-issue-124342.stderr b/tests/ui/delegation/ice-issue-124342.stderr new file mode 100644 index 000000000000..f9a3684d6493 --- /dev/null +++ b/tests/ui/delegation/ice-issue-124342.stderr @@ -0,0 +1,20 @@ +error[E0425]: cannot find function `foo` in module `to_reuse` + --> $DIR/ice-issue-124342.rs:7:21 + | +LL | reuse to_reuse::foo { foo } + | ^^^ not found in `to_reuse` + +error[E0425]: cannot find value `foo` in this scope + --> $DIR/ice-issue-124342.rs:7:27 + | +LL | reuse to_reuse::foo { foo } + | ^^^ + | +help: you might have meant to refer to the associated function + | +LL | reuse to_reuse::foo { Self::foo } + | ++++++ + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0425`. From 6f78e6265a6b43ea53abf048efa688fa0cdb33d9 Mon Sep 17 00:00:00 2001 From: Bryanskiy Date: Mon, 10 Jun 2024 21:21:46 +0300 Subject: [PATCH 1282/1716] Delegation: fix ICE on recursive delegation --- compiler/rustc_ast_lowering/src/delegation.rs | 4 +++- tests/crashes/124347.rs | 4 ---- tests/ui/delegation/ice-issue-124347.rs | 12 ++++++++++++ tests/ui/delegation/ice-issue-124347.stderr | 14 ++++++++++++++ 4 files changed, 29 insertions(+), 5 deletions(-) delete mode 100644 tests/crashes/124347.rs create mode 100644 tests/ui/delegation/ice-issue-124347.rs create mode 100644 tests/ui/delegation/ice-issue-124347.stderr diff --git a/compiler/rustc_ast_lowering/src/delegation.rs b/compiler/rustc_ast_lowering/src/delegation.rs index 27f8a6eae02a..d9dd0b3bca53 100644 --- a/compiler/rustc_ast_lowering/src/delegation.rs +++ b/compiler/rustc_ast_lowering/src/delegation.rs @@ -67,7 +67,9 @@ impl<'hir> LoweringContext<'_, 'hir> { return false; }; if let Some(local_sig_id) = sig_id.as_local() { - self.resolver.delegation_fn_sigs[&local_sig_id].has_self + // The value may be missing due to recursive delegation. + // Error will be emmited later during HIR ty lowering. + self.resolver.delegation_fn_sigs.get(&local_sig_id).map_or(false, |sig| sig.has_self) } else { match self.tcx.def_kind(sig_id) { DefKind::Fn => false, diff --git a/tests/crashes/124347.rs b/tests/crashes/124347.rs deleted file mode 100644 index d2bc555fe1c7..000000000000 --- a/tests/crashes/124347.rs +++ /dev/null @@ -1,4 +0,0 @@ -//@ known-bug: #124347 -trait Trait: ToReuse { - reuse Trait::lolno { &self.0 }; -} diff --git a/tests/ui/delegation/ice-issue-124347.rs b/tests/ui/delegation/ice-issue-124347.rs new file mode 100644 index 000000000000..82a96055099c --- /dev/null +++ b/tests/ui/delegation/ice-issue-124347.rs @@ -0,0 +1,12 @@ +#![feature(fn_delegation)] +#![allow(incomplete_features)] + +trait Trait { + reuse Trait::foo { &self.0 } + //~^ ERROR recursive delegation is not supported yet +} + +reuse foo; +//~^ ERROR recursive delegation is not supported yet + +fn main() {} diff --git a/tests/ui/delegation/ice-issue-124347.stderr b/tests/ui/delegation/ice-issue-124347.stderr new file mode 100644 index 000000000000..5a3f4525d29e --- /dev/null +++ b/tests/ui/delegation/ice-issue-124347.stderr @@ -0,0 +1,14 @@ +error: recursive delegation is not supported yet + --> $DIR/ice-issue-124347.rs:5:18 + | +LL | reuse Trait::foo { &self.0 } + | ^^^ callee defined here + +error: recursive delegation is not supported yet + --> $DIR/ice-issue-124347.rs:9:7 + | +LL | reuse foo; + | ^^^ callee defined here + +error: aborting due to 2 previous errors + From 3ba0262c2d254c5510b97e01de198bdc05b27eab Mon Sep 17 00:00:00 2001 From: Ana Hobden Date: Mon, 27 May 2024 13:12:26 -0700 Subject: [PATCH 1283/1716] CI: Update riscv64gc-linux job to 22.04, rename to riscv64gc-gnu --- .../Dockerfile | 91 ++++++++---------- .../linux.config | 0 .../0001-Remove-stime-function-calls.patch | 96 ------------------- 3 files changed, 39 insertions(+), 148 deletions(-) rename src/ci/docker/host-x86_64/disabled/{riscv64gc-linux => riscv64gc-gnu}/Dockerfile (54%) rename src/ci/docker/host-x86_64/disabled/{riscv64gc-linux => riscv64gc-gnu}/linux.config (100%) delete mode 100644 src/ci/docker/host-x86_64/disabled/riscv64gc-linux/0001-Remove-stime-function-calls.patch diff --git a/src/ci/docker/host-x86_64/disabled/riscv64gc-linux/Dockerfile b/src/ci/docker/host-x86_64/disabled/riscv64gc-gnu/Dockerfile similarity index 54% rename from src/ci/docker/host-x86_64/disabled/riscv64gc-linux/Dockerfile rename to src/ci/docker/host-x86_64/disabled/riscv64gc-gnu/Dockerfile index 07260be35877..bc7f8c306731 100644 --- a/src/ci/docker/host-x86_64/disabled/riscv64gc-linux/Dockerfile +++ b/src/ci/docker/host-x86_64/disabled/riscv64gc-gnu/Dockerfile @@ -1,39 +1,36 @@ # based on armhf-gnu/Dockerfile -FROM ubuntu:20.04 +FROM ubuntu:22.04 -RUN echo 'debconf debconf/frontend select Noninteractive' | debconf-set-selections +ARG DEBIAN_FRONTEND=noninteractive RUN apt-get update -y && apt-get install -y --no-install-recommends \ - bc \ - bison \ - ca-certificates \ - cmake \ - cpio \ - curl \ - debian-ports-archive-keyring \ - debootstrap \ - flex \ - gcc \ - gcc-riscv64-linux-gnu \ - git \ - g++-riscv64-linux-gnu \ - g++ \ - libc6-dev \ - libc6-dev-riscv64-cross \ - libssl-dev \ - make \ - ninja-build \ - patch \ - python3 \ - qemu-system-misc \ - xz-utils + bc \ + bzip2 \ + ca-certificates \ + cmake \ + cpio \ + curl \ + file \ + flex \ + bison \ + g++ \ + g++-riscv64-linux-gnu \ + git \ + libc6-dev \ + libc6-dev-riscv64-cross \ + libssl-dev \ + make \ + ninja-build \ + python3 \ + qemu-system-riscv64 \ + xz-utils -ENV ARCH=riscv -ENV CROSS_COMPILE=riscv64-linux-gnu- +ENV ARCH=riscv \ + CROSS_COMPILE=riscv64-linux-gnu- WORKDIR /build # From https://github.com/michaeljclark/busybear-linux/blob/master/conf/linux.config -COPY host-x86_64/riscv64gc-linux/linux.config /build +COPY host-x86_64/riscv64gc-gnu/linux.config /build # Compile the kernel that we're going to be emulating with. This is # basically just done to be compatible with the QEMU target that we're going @@ -49,29 +46,22 @@ RUN curl https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.6.16.tar.xz | tar # Compile an instance of busybox as this provides a lightweight system and init # binary which we will boot into. Only trick here is configuring busybox to # build static binaries. -RUN curl https://busybox.net/downloads/busybox-1.31.1.tar.bz2 | tar xjf - -COPY host-x86_64/riscv64gc-linux/0001-Remove-stime-function-calls.patch /build/busybox-1.31.1/ -RUN cd /build/busybox-1.31.1 && \ - patch -p1 -i 0001-Remove-stime-function-calls.patch && \ - make defconfig && \ - sed -i 's/.*CONFIG_STATIC.*/CONFIG_STATIC=y/' .config && \ - make -j$(nproc) && \ - make install && \ - mv _install /tmp/rootfs && \ - cd /build && \ - rm -rf busybox-1.31.1 +RUN curl https://www.busybox.net/downloads/busybox-1.32.1.tar.bz2 | tar xjf - && \ + cd busybox-1.32.1 && \ + make defconfig && \ + sed -i 's/.*CONFIG_STATIC.*/CONFIG_STATIC=y/' .config && \ + make -j$(nproc) && \ + make install && \ + mv _install /tmp/rootfs && \ + cd /build && \ + rm -rf busybox-1.32.1 -# Download the ubuntu rootfs, which we'll use as a chroot for all our tests -# This is only needed to provide /lib/* and /usr/lib/* +# Download the ubuntu rootfs, which we'll use as a chroot for all our tests. WORKDIR /tmp -RUN debootstrap --variant=minbase --arch=riscv64 --foreign focal /tmp/rootfs/ubuntu -RUN cd rootfs && mkdir proc sys dev etc etc/init.d -# rootfs/ubuntu/proc is in a weird state (access fails with ELOOP) until -# rootfs/ubuntu/debootstrap/debootstrap --second-stage is run (under emulation), -# but this takes ages. Instead hack it into a good enough state. -# /proc is used by std::env::current_exe() (which is roughly -# `readlink /proc/self/exe`) -RUN cd rootfs/ubuntu && rm -rf proc && mkdir proc +RUN mkdir rootfs/ubuntu +RUN curl https://cdimage.ubuntu.com/ubuntu-base/releases/22.04/release/ubuntu-base-22.04.2-base-riscv64.tar.gz | \ + tar xzf - -C rootfs/ubuntu && \ + cd rootfs && mkdir proc sys dev etc etc/init.d # Copy over our init script, which starts up our test server and also a few other # misc tasks @@ -95,9 +85,6 @@ RUN mkdir build && cd build && \ WORKDIR /tmp RUN rm -rf /tmp/riscv-pk -COPY scripts/cmake.sh /scripts/ -RUN /scripts/cmake.sh - COPY scripts/sccache.sh /scripts/ RUN sh /scripts/sccache.sh diff --git a/src/ci/docker/host-x86_64/disabled/riscv64gc-linux/linux.config b/src/ci/docker/host-x86_64/disabled/riscv64gc-gnu/linux.config similarity index 100% rename from src/ci/docker/host-x86_64/disabled/riscv64gc-linux/linux.config rename to src/ci/docker/host-x86_64/disabled/riscv64gc-gnu/linux.config diff --git a/src/ci/docker/host-x86_64/disabled/riscv64gc-linux/0001-Remove-stime-function-calls.patch b/src/ci/docker/host-x86_64/disabled/riscv64gc-linux/0001-Remove-stime-function-calls.patch deleted file mode 100644 index 4437a870b207..000000000000 --- a/src/ci/docker/host-x86_64/disabled/riscv64gc-linux/0001-Remove-stime-function-calls.patch +++ /dev/null @@ -1,96 +0,0 @@ -From c820da85c65c7f3aa9e9cb3ed71ada69bf9b783e Mon Sep 17 00:00:00 2001 -From: Alistair Francis -Date: Tue, 19 Nov 2019 13:06:40 +0100 -Subject: [PATCH] Remove stime() function calls - -stime() has been deprecated in glibc 2.31 and replaced with -clock_settime(). Let's replace the stime() function calls with -clock_settime() in preparation. - -function old new delta -rdate_main 197 224 +27 -clock_settime - 27 +27 -date_main 926 941 +15 -stime 37 - -37 ------------------------------------------------------------------------------- -(add/remove: 2/2 grow/shrink: 2/0 up/down: 69/-37) Total: 32 bytes - -Signed-off-by: Alistair Francis -Signed-off-by: Denys Vlasenko - -[Tom Eccles: adjust patch context to apply on top of 1.31.1-stable] -Signed-off-by: Tom Eccles ---- - coreutils/date.c | 6 +++++- - libbb/missing_syscalls.c | 8 -------- - util-linux/rdate.c | 8 ++++++-- - 3 files changed, 11 insertions(+), 11 deletions(-) - -diff --git a/coreutils/date.c b/coreutils/date.c -index 3414d38ae..4ade6abb4 100644 ---- a/coreutils/date.c -+++ b/coreutils/date.c -@@ -279,6 +279,9 @@ int date_main(int argc UNUSED_PARAM, char **argv) - time(&ts.tv_sec); - #endif - } -+#if !ENABLE_FEATURE_DATE_NANO -+ ts.tv_nsec = 0; -+#endif - localtime_r(&ts.tv_sec, &tm_time); - - /* If date string is given, update tm_time, and maybe set date */ -@@ -301,9 +304,10 @@ int date_main(int argc UNUSED_PARAM, char **argv) - if (date_str[0] != '@') - tm_time.tm_isdst = -1; - ts.tv_sec = validate_tm_time(date_str, &tm_time); -+ ts.tv_nsec = 0; - - /* if setting time, set it */ -- if ((opt & OPT_SET) && stime(&ts.tv_sec) < 0) { -+ if ((opt & OPT_SET) && clock_settime(CLOCK_REALTIME, &ts) < 0) { - bb_perror_msg("can't set date"); - } - } -diff --git a/libbb/missing_syscalls.c b/libbb/missing_syscalls.c -index 87cf59b3d..dc40d9155 100644 ---- a/libbb/missing_syscalls.c -+++ b/libbb/missing_syscalls.c -@@ -15,14 +15,6 @@ pid_t getsid(pid_t pid) - return syscall(__NR_getsid, pid); - } - --int stime(const time_t *t) --{ -- struct timeval tv; -- tv.tv_sec = *t; -- tv.tv_usec = 0; -- return settimeofday(&tv, NULL); --} -- - int sethostname(const char *name, size_t len) - { - return syscall(__NR_sethostname, name, len); -diff --git a/util-linux/rdate.c b/util-linux/rdate.c -index 70f829e7f..878375d78 100644 ---- a/util-linux/rdate.c -+++ b/util-linux/rdate.c -@@ -95,9 +95,13 @@ int rdate_main(int argc UNUSED_PARAM, char **argv) - if (!(flags & 2)) { /* no -p (-s may be present) */ - if (time(NULL) == remote_time) - bb_error_msg("current time matches remote time"); -- else -- if (stime(&remote_time) < 0) -+ else { -+ struct timespec ts; -+ ts.tv_sec = remote_time; -+ ts.tv_nsec = 0; -+ if (clock_settime(CLOCK_REALTIME, &ts) < 0) - bb_perror_msg_and_die("can't set time of day"); -+ } - } - - if (flags != 1) /* not lone -s */ --- -2.25.1 - From aafa93feeeff5a2c24cf375923b5ce116bf96425 Mon Sep 17 00:00:00 2001 From: Ana Hobden Date: Wed, 29 May 2024 07:34:21 -0700 Subject: [PATCH 1284/1716] Move riscv64-gnu test out of disabled --- .../docker/host-x86_64/{disabled => }/riscv64gc-gnu/Dockerfile | 0 .../host-x86_64/{disabled => }/riscv64gc-gnu/linux.config | 0 src/ci/github-actions/jobs.yml | 3 +++ 3 files changed, 3 insertions(+) rename src/ci/docker/host-x86_64/{disabled => }/riscv64gc-gnu/Dockerfile (100%) rename src/ci/docker/host-x86_64/{disabled => }/riscv64gc-gnu/linux.config (100%) diff --git a/src/ci/docker/host-x86_64/disabled/riscv64gc-gnu/Dockerfile b/src/ci/docker/host-x86_64/riscv64gc-gnu/Dockerfile similarity index 100% rename from src/ci/docker/host-x86_64/disabled/riscv64gc-gnu/Dockerfile rename to src/ci/docker/host-x86_64/riscv64gc-gnu/Dockerfile diff --git a/src/ci/docker/host-x86_64/disabled/riscv64gc-gnu/linux.config b/src/ci/docker/host-x86_64/riscv64gc-gnu/linux.config similarity index 100% rename from src/ci/docker/host-x86_64/disabled/riscv64gc-gnu/linux.config rename to src/ci/docker/host-x86_64/riscv64gc-gnu/linux.config diff --git a/src/ci/github-actions/jobs.yml b/src/ci/github-actions/jobs.yml index 48c39d2c33e5..8c1ca64f0c41 100644 --- a/src/ci/github-actions/jobs.yml +++ b/src/ci/github-actions/jobs.yml @@ -118,6 +118,9 @@ auto: - image: armhf-gnu <<: *job-linux-4c + - image: riscv64gc-gnu + <<: *job-linux-4c + - image: dist-aarch64-linux env: CODEGEN_BACKENDS: llvm,cranelift From f2e7d79e0c7f3f20032b4c8755e949787abe695f Mon Sep 17 00:00:00 2001 From: Ana Hobden Date: Wed, 29 May 2024 07:35:22 -0700 Subject: [PATCH 1285/1716] Add riscv64-gnu to PR tests --- src/ci/github-actions/jobs.yml | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/ci/github-actions/jobs.yml b/src/ci/github-actions/jobs.yml index 8c1ca64f0c41..72d0ace0a134 100644 --- a/src/ci/github-actions/jobs.yml +++ b/src/ci/github-actions/jobs.yml @@ -91,6 +91,9 @@ pr: <<: *job-linux-16c - image: x86_64-gnu-tools <<: *job-linux-16c + # TODO: This is temporary and for testing https://github.com/rust-lang/rust/pull/125669 + - image: riscv64gc-gnu + <<: *job-linux-4c # Jobs that run when you perform a try build (@bors try) # These jobs automatically inherit envs.try, to avoid repeating From 4c4eb39bc50230f5d50f451f323cfef2e70962d6 Mon Sep 17 00:00:00 2001 From: Ana Hobden Date: Fri, 31 May 2024 07:46:24 -0700 Subject: [PATCH 1286/1716] Add workaround for git dubious ownership issue --- src/ci/docker/host-x86_64/riscv64gc-gnu/Dockerfile | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/ci/docker/host-x86_64/riscv64gc-gnu/Dockerfile b/src/ci/docker/host-x86_64/riscv64gc-gnu/Dockerfile index bc7f8c306731..a9ffa5918b5b 100644 --- a/src/ci/docker/host-x86_64/riscv64gc-gnu/Dockerfile +++ b/src/ci/docker/host-x86_64/riscv64gc-gnu/Dockerfile @@ -88,6 +88,9 @@ RUN rm -rf /tmp/riscv-pk COPY scripts/sccache.sh /scripts/ RUN sh /scripts/sccache.sh +# Avoid "fatal: detected dubious ownership in repository at '/checkout'" error +RUN git config --global --add safe.directory /checkout + ENV RUST_CONFIGURE_ARGS --qemu-riscv64-rootfs=/tmp/rootfs ENV SCRIPT python3 ../x.py --stage 2 test --host='' --target riscv64gc-unknown-linux-gnu From 6e3134972ed18e095c27378287b85c0ad455e35a Mon Sep 17 00:00:00 2001 From: Jane Losare-Lusby Date: Mon, 10 Jun 2024 12:37:32 -0700 Subject: [PATCH 1287/1716] Simplify provider api to improve llvm ir --- library/core/src/error.rs | 51 ++++++++++++++++++--------------------- 1 file changed, 24 insertions(+), 27 deletions(-) diff --git a/library/core/src/error.rs b/library/core/src/error.rs index da18fdc6e1d1..042a8c9925f3 100644 --- a/library/core/src/error.rs +++ b/library/core/src/error.rs @@ -404,9 +404,9 @@ fn request_by_type_tag<'a, I>(err: &'a (impl Error + ?Sized)) -> Option, { - let mut tagged = TaggedOption::<'a, I>(None); + let mut tagged = Tagged { tag_id: TypeId::of::(), value: TaggedOption::<'a, I>(None) }; err.provide(tagged.as_request()); - tagged.0 + tagged.value.0 } /////////////////////////////////////////////////////////////////////////////// @@ -507,16 +507,9 @@ where /// #[unstable(feature = "error_generic_member_access", issue = "99301")] #[cfg_attr(not(doc), repr(transparent))] // work around https://github.com/rust-lang/rust/issues/90435 -pub struct Request<'a>(dyn Erased<'a> + 'a); +pub struct Request<'a>(Tagged + 'a>); impl<'a> Request<'a> { - /// Create a new `&mut Request` from a `&mut dyn Erased` trait object. - fn new<'b>(erased: &'b mut (dyn Erased<'a> + 'a)) -> &'b mut Request<'a> { - // SAFETY: transmuting `&mut (dyn Erased<'a> + 'a)` to `&mut Request<'a>` is safe since - // `Request` is repr(transparent). - unsafe { &mut *(erased as *mut dyn Erased<'a> as *mut Request<'a>) } - } - /// Provide a value or other type with only static lifetimes. /// /// # Examples @@ -940,27 +933,28 @@ pub(crate) mod tags { #[repr(transparent)] pub(crate) struct TaggedOption<'a, I: tags::Type<'a>>(pub Option); -impl<'a, I: tags::Type<'a>> TaggedOption<'a, I> { +impl<'a, I: tags::Type<'a>> Tagged> { pub(crate) fn as_request(&mut self) -> &mut Request<'a> { - Request::new(self as &mut (dyn Erased<'a> + 'a)) + let erased = self as &mut Tagged + 'a>; + // SAFETY: transmuting `&mut Tagged + 'a>` to `&mut Request<'a>` is safe since + // `Request` is repr(transparent). + unsafe { &mut *(erased as *mut Tagged> as *mut Request<'a>) } } } /// Represents a type-erased but identifiable object. /// /// This trait is exclusively implemented by the `TaggedOption` type. -unsafe trait Erased<'a>: 'a { - /// The `TypeId` of the erased type. - fn tag_id(&self) -> TypeId; +unsafe trait Erased<'a>: 'a {} + +unsafe impl<'a, I: tags::Type<'a>> Erased<'a> for TaggedOption<'a, I> {} + +struct Tagged { + tag_id: TypeId, + value: E, } -unsafe impl<'a, I: tags::Type<'a>> Erased<'a> for TaggedOption<'a, I> { - fn tag_id(&self) -> TypeId { - TypeId::of::() - } -} - -impl<'a> dyn Erased<'a> + 'a { +impl<'a> Tagged + 'a> { /// Returns some reference to the dynamic value if it is tagged with `I`, /// or `None` otherwise. #[inline] @@ -968,9 +962,9 @@ impl<'a> dyn Erased<'a> + 'a { where I: tags::Type<'a>, { - if self.tag_id() == TypeId::of::() { + if self.tag_id == TypeId::of::() { // SAFETY: Just checked whether we're pointing to an I. - Some(unsafe { &*(self as *const Self).cast::>() }) + Some(&unsafe { &*(self as *const Self).cast::>>() }.value) } else { None } @@ -983,9 +977,12 @@ impl<'a> dyn Erased<'a> + 'a { where I: tags::Type<'a>, { - if self.tag_id() == TypeId::of::() { - // SAFETY: Just checked whether we're pointing to an I. - Some(unsafe { &mut *(self as *mut Self).cast::>() }) + if self.tag_id == TypeId::of::() { + Some( + // SAFETY: Just checked whether we're pointing to an I. + &mut unsafe { &mut *(self as *mut Self).cast::>>() } + .value, + ) } else { None } From e1b489db8803a233d2d6633cc6aae513e0867224 Mon Sep 17 00:00:00 2001 From: Ana Hobden Date: Mon, 10 Jun 2024 13:25:56 -0700 Subject: [PATCH 1288/1716] Re-disable riscv64-gnu test --- .../host-x86_64/{ => disabled}/riscv64gc-gnu/Dockerfile | 0 .../host-x86_64/{ => disabled}/riscv64gc-gnu/linux.config | 0 src/ci/github-actions/jobs.yml | 6 ------ 3 files changed, 6 deletions(-) rename src/ci/docker/host-x86_64/{ => disabled}/riscv64gc-gnu/Dockerfile (100%) rename src/ci/docker/host-x86_64/{ => disabled}/riscv64gc-gnu/linux.config (100%) diff --git a/src/ci/docker/host-x86_64/riscv64gc-gnu/Dockerfile b/src/ci/docker/host-x86_64/disabled/riscv64gc-gnu/Dockerfile similarity index 100% rename from src/ci/docker/host-x86_64/riscv64gc-gnu/Dockerfile rename to src/ci/docker/host-x86_64/disabled/riscv64gc-gnu/Dockerfile diff --git a/src/ci/docker/host-x86_64/riscv64gc-gnu/linux.config b/src/ci/docker/host-x86_64/disabled/riscv64gc-gnu/linux.config similarity index 100% rename from src/ci/docker/host-x86_64/riscv64gc-gnu/linux.config rename to src/ci/docker/host-x86_64/disabled/riscv64gc-gnu/linux.config diff --git a/src/ci/github-actions/jobs.yml b/src/ci/github-actions/jobs.yml index 72d0ace0a134..48c39d2c33e5 100644 --- a/src/ci/github-actions/jobs.yml +++ b/src/ci/github-actions/jobs.yml @@ -91,9 +91,6 @@ pr: <<: *job-linux-16c - image: x86_64-gnu-tools <<: *job-linux-16c - # TODO: This is temporary and for testing https://github.com/rust-lang/rust/pull/125669 - - image: riscv64gc-gnu - <<: *job-linux-4c # Jobs that run when you perform a try build (@bors try) # These jobs automatically inherit envs.try, to avoid repeating @@ -121,9 +118,6 @@ auto: - image: armhf-gnu <<: *job-linux-4c - - image: riscv64gc-gnu - <<: *job-linux-4c - - image: dist-aarch64-linux env: CODEGEN_BACKENDS: llvm,cranelift From 9bcc133bb7f818958c2882d54400ddafd8aea8f3 Mon Sep 17 00:00:00 2001 From: Ed Page Date: Mon, 10 Jun 2024 21:16:54 -0500 Subject: [PATCH 1289/1716] docs(change): Don't mention a Cargo 2024 edition change for 1.79 --- RELEASES.md | 1 - 1 file changed, 1 deletion(-) diff --git a/RELEASES.md b/RELEASES.md index c1311ab14c53..d63ebd0a4a90 100644 --- a/RELEASES.md +++ b/RELEASES.md @@ -97,7 +97,6 @@ Cargo - [Prevent dashes in `lib.name`, always normalizing to `_`.](https://github.com/rust-lang/cargo/pull/12783/) - [Stabilize MSRV-aware version requirement selection in `cargo add`.](https://github.com/rust-lang/cargo/pull/13608/) - [Switch to using `gitoxide` by default for listing files.](https://github.com/rust-lang/cargo/pull/13696/) -- [Error on `[project]` in Edition 2024; `cargo fix --edition` will change it to `[package]`.](https://github.com/rust-lang/cargo/pull/13747/) From 9048a180cd941a25fd7ff0716e74c40701e4a486 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Tue, 11 Jun 2024 07:49:22 +0200 Subject: [PATCH 1290/1716] Preparing for merge from rustc --- src/tools/miri/rust-version | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/miri/rust-version b/src/tools/miri/rust-version index 0f738653b14a..7f8fd86b5614 100644 --- a/src/tools/miri/rust-version +++ b/src/tools/miri/rust-version @@ -1 +1 @@ -565cadb514d35e7b851540edbc172af0f606014f +fa1681c9f6a66f0240c46c98bfef6209c9d6df23 From 654ad5230ada5c93118082977cb9ea066a9b335a Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Tue, 11 Jun 2024 07:51:46 +0200 Subject: [PATCH 1291/1716] fmt --- src/tools/miri/src/intrinsics/simd.rs | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/src/tools/miri/src/intrinsics/simd.rs b/src/tools/miri/src/intrinsics/simd.rs index c3b34f0c0c6b..a5afd029b651 100644 --- a/src/tools/miri/src/intrinsics/simd.rs +++ b/src/tools/miri/src/intrinsics/simd.rs @@ -643,10 +643,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { assert_eq!(index_len as u64, dest_len); for i in 0..dest_len { - let src_index: u64 = index[usize::try_from(i).unwrap()] - .unwrap_leaf() - .to_u32() - .into(); + let src_index: u64 = + index[usize::try_from(i).unwrap()].unwrap_leaf().to_u32().into(); let dest = this.project_index(&dest, i)?; let val = if src_index < left_len { From c0fe47d671599a5db5db8712da3b360921919516 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Tue, 11 Jun 2024 07:55:26 +0200 Subject: [PATCH 1292/1716] use strict_ instead of checked_ in a few more places --- src/tools/miri/src/concurrency/sync.rs | 10 ++++------ src/tools/miri/src/shims/os_str.rs | 4 ++-- src/tools/miri/src/shims/unix/fs.rs | 4 ++-- src/tools/miri/src/shims/x86/avx.rs | 8 +++----- 4 files changed, 11 insertions(+), 15 deletions(-) diff --git a/src/tools/miri/src/concurrency/sync.rs b/src/tools/miri/src/concurrency/sync.rs index 76a045c4dc16..91865a2192cf 100644 --- a/src/tools/miri/src/concurrency/sync.rs +++ b/src/tools/miri/src/concurrency/sync.rs @@ -45,7 +45,7 @@ macro_rules! declare_id { // We use 0 as a sentinel value (see the comment above) and, // therefore, need to shift by one when converting from an index // into a vector. - let shifted_idx = u32::try_from(idx).unwrap().checked_add(1).unwrap(); + let shifted_idx = u32::try_from(idx).unwrap().strict_add(1); $name(std::num::NonZero::new(shifted_idx).unwrap()) } fn index(self) -> usize { @@ -350,7 +350,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } else { mutex.owner = Some(thread); } - mutex.lock_count = mutex.lock_count.checked_add(1).unwrap(); + mutex.lock_count = mutex.lock_count.strict_add(1); if let Some(data_race) = &this.machine.data_race { data_race.acquire_clock(&mutex.clock, &this.machine.threads); } @@ -370,9 +370,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { return Ok(None); } let old_lock_count = mutex.lock_count; - mutex.lock_count = old_lock_count - .checked_sub(1) - .expect("invariant violation: lock_count == 0 iff the thread is unlocked"); + mutex.lock_count = old_lock_count.strict_sub(1); if mutex.lock_count == 0 { mutex.owner = None; // The mutex is completely unlocked. Try transferring ownership @@ -450,7 +448,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { trace!("rwlock_reader_lock: {:?} now also held (one more time) by {:?}", id, thread); let rwlock = &mut this.machine.sync.rwlocks[id]; let count = rwlock.readers.entry(thread).or_insert(0); - *count = count.checked_add(1).expect("the reader counter overflowed"); + *count = count.strict_add(1); if let Some(data_race) = &this.machine.data_race { data_race.acquire_clock(&rwlock.clock_unlocked, &this.machine.threads); } diff --git a/src/tools/miri/src/shims/os_str.rs b/src/tools/miri/src/shims/os_str.rs index 68eca5a3a0ff..533992e35ab1 100644 --- a/src/tools/miri/src/shims/os_str.rs +++ b/src/tools/miri/src/shims/os_str.rs @@ -142,7 +142,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { os_str: &OsStr, memkind: MemoryKind, ) -> InterpResult<'tcx, Pointer> { - let size = u64::try_from(os_str.len()).unwrap().checked_add(1).unwrap(); // Make space for `0` terminator. + let size = u64::try_from(os_str.len()).unwrap().strict_add(1); // Make space for `0` terminator. let this = self.eval_context_mut(); let arg_type = Ty::new_array(this.tcx.tcx, this.tcx.types.u8, size); @@ -158,7 +158,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { os_str: &OsStr, memkind: MemoryKind, ) -> InterpResult<'tcx, Pointer> { - let size = u64::try_from(os_str.len()).unwrap().checked_add(1).unwrap(); // Make space for `0x0000` terminator. + let size = u64::try_from(os_str.len()).unwrap().strict_add(1); // Make space for `0x0000` terminator. let this = self.eval_context_mut(); let arg_type = Ty::new_array(this.tcx.tcx, this.tcx.types.u16, size); diff --git a/src/tools/miri/src/shims/unix/fs.rs b/src/tools/miri/src/shims/unix/fs.rs index c8805f054ecc..262e71756c64 100644 --- a/src/tools/miri/src/shims/unix/fs.rs +++ b/src/tools/miri/src/shims/unix/fs.rs @@ -893,7 +893,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let dirent64_layout = this.libc_ty_layout("dirent64"); let d_name_offset = dirent64_layout.fields.offset(4 /* d_name */).bytes(); - let size = d_name_offset.checked_add(name_len).unwrap(); + let size = d_name_offset.strict_add(name_len); let entry = this.allocate_ptr( Size::from_bytes(size), @@ -994,7 +994,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { name_place.ptr(), name_place.layout.size.bytes(), )?; - let file_name_len = file_name_buf_len.checked_sub(1).unwrap(); + let file_name_len = file_name_buf_len.strict_sub(1); if !name_fits { throw_unsup_format!( "a directory entry had a name too large to fit in libc::dirent" diff --git a/src/tools/miri/src/shims/x86/avx.rs b/src/tools/miri/src/shims/x86/avx.rs index 07d737e06635..0d2977b7b6fe 100644 --- a/src/tools/miri/src/shims/x86/avx.rs +++ b/src/tools/miri/src/shims/x86/avx.rs @@ -176,8 +176,7 @@ pub(super) trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { // of 4. let chunk_base = i & !0b11; let src_i = u64::from(this.read_scalar(&control)?.to_u32()? & 0b11) - .checked_add(chunk_base) - .unwrap(); + .strict_add(chunk_base); this.copy_op( &this.project_index(&data, src_i)?, @@ -210,9 +209,8 @@ pub(super) trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { // second instead of the first, ask Intel). To read the value from the current // chunk, add the destination index truncated to a multiple of 2. let chunk_base = i & !1; - let src_i = ((this.read_scalar(&control)?.to_u64()? >> 1) & 1) - .checked_add(chunk_base) - .unwrap(); + let src_i = + ((this.read_scalar(&control)?.to_u64()? >> 1) & 1).strict_add(chunk_base); this.copy_op( &this.project_index(&data, src_i)?, From 168d5c245f28bcf9fe860f7167736c4d5ac13846 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Tue, 11 Jun 2024 08:11:04 +0200 Subject: [PATCH 1293/1716] Take `&self` in `CompletedProcess` assert matchers --- src/tools/run-make-support/src/command.rs | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/src/tools/run-make-support/src/command.rs b/src/tools/run-make-support/src/command.rs index b9e56ab632ad..cc395e491ee1 100644 --- a/src/tools/run-make-support/src/command.rs +++ b/src/tools/run-make-support/src/command.rs @@ -107,38 +107,38 @@ impl CompletedProcess { /// Checks that trimmed `stdout` matches trimmed `content`. #[track_caller] - pub fn assert_stdout_equals>(self, content: S) -> Self { + pub fn assert_stdout_equals>(&self, content: S) -> &Self { assert_eq!(self.stdout_utf8().trim(), content.as_ref().trim()); self } #[track_caller] - pub fn assert_stdout_not_contains>(self, needle: S) -> Self { + pub fn assert_stdout_not_contains>(&self, needle: S) -> &Self { assert_not_contains(&self.stdout_utf8(), needle.as_ref()); self } /// Checks that trimmed `stderr` matches trimmed `content`. #[track_caller] - pub fn assert_stderr_equals>(self, content: S) -> Self { + pub fn assert_stderr_equals>(&self, content: S) -> &Self { assert_eq!(self.stderr_utf8().trim(), content.as_ref().trim()); self } #[track_caller] - pub fn assert_stderr_contains>(self, needle: S) -> Self { + pub fn assert_stderr_contains>(&self, needle: S) -> &Self { assert!(self.stderr_utf8().contains(needle.as_ref())); self } #[track_caller] - pub fn assert_stderr_not_contains>(self, needle: S) -> Self { + pub fn assert_stderr_not_contains>(&self, needle: S) -> &Self { assert_not_contains(&self.stdout_utf8(), needle.as_ref()); self } #[track_caller] - pub fn assert_exit_code(self, code: i32) -> Self { + pub fn assert_exit_code(&self, code: i32) -> &Self { assert!(self.output.status.code() == Some(code)); self } From b3c2d667124a613a7c579c0e67b427be34e83e88 Mon Sep 17 00:00:00 2001 From: Lukas Wirth Date: Mon, 10 Jun 2024 13:00:50 +0200 Subject: [PATCH 1294/1716] Remove ignore-cross-compile directive from ui/macros/proc_macro --- tests/ui/macros/proc_macro.rs | 1 - 1 file changed, 1 deletion(-) diff --git a/tests/ui/macros/proc_macro.rs b/tests/ui/macros/proc_macro.rs index ce2b041c26eb..8fea4ca282cf 100644 --- a/tests/ui/macros/proc_macro.rs +++ b/tests/ui/macros/proc_macro.rs @@ -1,6 +1,5 @@ //@ run-pass //@ aux-build:proc_macro_def.rs -//@ ignore-cross-compile extern crate proc_macro_def; From 1462f3d4eb6d5ce18c9c430c10315bc5543090bc Mon Sep 17 00:00:00 2001 From: Lukas Wirth Date: Tue, 11 Jun 2024 08:42:20 +0200 Subject: [PATCH 1295/1716] Add {{target}} substitution to compiletest --- src/tools/compiletest/src/header.rs | 5 +++++ src/tools/tidy/src/target_specific_tests.rs | 6 +++--- 2 files changed, 8 insertions(+), 3 deletions(-) diff --git a/src/tools/compiletest/src/header.rs b/src/tools/compiletest/src/header.rs index fd4ab72bbf46..fc6c72172221 100644 --- a/src/tools/compiletest/src/header.rs +++ b/src/tools/compiletest/src/header.rs @@ -1281,6 +1281,7 @@ fn expand_variables(mut value: String, config: &Config) -> String { const BUILD_BASE: &str = "{{build-base}}"; const SYSROOT_BASE: &str = "{{sysroot-base}}"; const TARGET_LINKER: &str = "{{target-linker}}"; + const TARGET: &str = "{{target}}"; if value.contains(CWD) { let cwd = env::current_dir().unwrap(); @@ -1303,6 +1304,10 @@ fn expand_variables(mut value: String, config: &Config) -> String { value = value.replace(TARGET_LINKER, config.target_linker.as_deref().unwrap_or("")); } + if value.contains(TARGET) { + value = value.replace(TARGET, &config.target); + } + value } diff --git a/src/tools/tidy/src/target_specific_tests.rs b/src/tools/tidy/src/target_specific_tests.rs index f3a64b38e8c6..8be27d1e117c 100644 --- a/src/tools/tidy/src/target_specific_tests.rs +++ b/src/tools/tidy/src/target_specific_tests.rs @@ -53,9 +53,9 @@ pub fn check(path: &Path, bad: &mut bool) { } else if directive.starts_with(COMPILE_FLAGS_HEADER) { let compile_flags = &directive[COMPILE_FLAGS_HEADER.len()..]; if let Some((_, v)) = compile_flags.split_once("--target") { - if let Some((arch, _)) = - v.trim_start_matches(|c| c == ' ' || c == '=').split_once("-") - { + let v = v.trim_start_matches(|c| c == ' ' || c == '='); + let v = if v == "{{target}}" { Some((v, v)) } else { v.split_once("-") }; + if let Some((arch, _)) = v { let info = header_map.entry(revision).or_insert(RevisionInfo::default()); info.target_arch.replace(arch); } else { From 3923b686c727ceaad7a6a9139c5f0d73e29a21e7 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Tue, 11 Jun 2024 16:37:23 +1000 Subject: [PATCH 1296/1716] Rename `needs-matching-clang` to `needs-force-clang-based-tests` This header is much more restrictive than its old name would suggest. As a result, most of the tests that use it don't actually run in any CI jobs. --- src/ci/docker/host-x86_64/x86_64-gnu-debug/Dockerfile | 2 +- src/tools/compiletest/src/header.rs | 2 +- src/tools/compiletest/src/header/needs.rs | 4 ++-- tests/run-make/cross-lang-lto-clang/Makefile | 2 +- tests/run-make/cross-lang-lto-pgo-smoketest/Makefile | 5 ++++- tests/run-make/cross-lang-lto-riscv-abi/rmake.rs | 5 ++++- tests/run-make/issue-84395-lto-embed-bitcode/Makefile | 5 ++++- tests/run-make/wasm-override-linker/Makefile | 5 ++++- 8 files changed, 21 insertions(+), 9 deletions(-) diff --git a/src/ci/docker/host-x86_64/x86_64-gnu-debug/Dockerfile b/src/ci/docker/host-x86_64/x86_64-gnu-debug/Dockerfile index 64a1fb093b49..fa31801269af 100644 --- a/src/ci/docker/host-x86_64/x86_64-gnu-debug/Dockerfile +++ b/src/ci/docker/host-x86_64/x86_64-gnu-debug/Dockerfile @@ -47,7 +47,7 @@ ENV RUST_CONFIGURE_ARGS \ # This job appears to be checking two separate things: # - That we can build the compiler with `--enable-debug` # (without necessarily testing the result). -# - That the tests with `//@ needs-matching-clang` pass, since they +# - That the tests with `//@ needs-force-clang-based-tests` pass, since they # don't run by default unless RUSTBUILD_FORCE_CLANG_BASED_TESTS is set. # - FIXME(https://github.com/rust-lang/rust/pull/126155#issuecomment-2156314273): # Currently we only run the subset of tests with "clang" in their name. diff --git a/src/tools/compiletest/src/header.rs b/src/tools/compiletest/src/header.rs index fd4ab72bbf46..a5475a158deb 100644 --- a/src/tools/compiletest/src/header.rs +++ b/src/tools/compiletest/src/header.rs @@ -854,9 +854,9 @@ const KNOWN_DIRECTIVE_NAMES: &[&str] = &[ "needs-asm-support", "needs-dlltool", "needs-dynamic-linking", + "needs-force-clang-based-tests", "needs-git-hash", "needs-llvm-components", - "needs-matching-clang", "needs-profiler-support", "needs-relocation-model-pic", "needs-run-enabled", diff --git a/src/tools/compiletest/src/header/needs.rs b/src/tools/compiletest/src/header/needs.rs index 7bc7e4b86803..b96832db67be 100644 --- a/src/tools/compiletest/src/header/needs.rs +++ b/src/tools/compiletest/src/header/needs.rs @@ -100,9 +100,9 @@ pub(super) fn handle_needs( ignore_reason: "ignored when profiler support is disabled", }, Need { - name: "needs-matching-clang", + name: "needs-force-clang-based-tests", condition: config.run_clang_based_tests_with.is_some(), - ignore_reason: "ignored when the used clang does not match the built LLVM", + ignore_reason: "ignored when RUSTBUILD_FORCE_CLANG_BASED_TESTS is not set", }, Need { name: "needs-xray", diff --git a/tests/run-make/cross-lang-lto-clang/Makefile b/tests/run-make/cross-lang-lto-clang/Makefile index acaebf439d65..acf49c8f5c85 100644 --- a/tests/run-make/cross-lang-lto-clang/Makefile +++ b/tests/run-make/cross-lang-lto-clang/Makefile @@ -1,4 +1,4 @@ -# needs-matching-clang +# needs-force-clang-based-tests # This test makes sure that cross-language inlining actually works by checking # the generated machine code. diff --git a/tests/run-make/cross-lang-lto-pgo-smoketest/Makefile b/tests/run-make/cross-lang-lto-pgo-smoketest/Makefile index 70085d9bde1d..738e23f9c661 100644 --- a/tests/run-make/cross-lang-lto-pgo-smoketest/Makefile +++ b/tests/run-make/cross-lang-lto-pgo-smoketest/Makefile @@ -1,4 +1,7 @@ -# needs-matching-clang +# needs-force-clang-based-tests + +# FIXME(#126180): This test doesn't actually run anywhere, because the only +# CI job that sets RUSTBUILD_FORCE_CLANG_BASED_TESTS runs very few tests. # This test makes sure that cross-language inlining can be used in conjunction # with profile-guided optimization. The test only tests that the whole workflow diff --git a/tests/run-make/cross-lang-lto-riscv-abi/rmake.rs b/tests/run-make/cross-lang-lto-riscv-abi/rmake.rs index 04afc92bf7e9..f40da6621287 100644 --- a/tests/run-make/cross-lang-lto-riscv-abi/rmake.rs +++ b/tests/run-make/cross-lang-lto-riscv-abi/rmake.rs @@ -1,8 +1,11 @@ //! Make sure that cross-language LTO works on riscv targets, //! which requires extra `target-abi` metadata to be emitted. -//@ needs-matching-clang +//@ needs-force-clang-based-tests //@ needs-llvm-components riscv +// FIXME(#126180): This test doesn't actually run anywhere, because the only +// CI job that sets RUSTBUILD_FORCE_CLANG_BASED_TESTS runs very few tests. + use run_make_support::{bin_name, clang, llvm_readobj, rustc}; use std::{ env, diff --git a/tests/run-make/issue-84395-lto-embed-bitcode/Makefile b/tests/run-make/issue-84395-lto-embed-bitcode/Makefile index 95c8d08a18bc..aabe90754a65 100644 --- a/tests/run-make/issue-84395-lto-embed-bitcode/Makefile +++ b/tests/run-make/issue-84395-lto-embed-bitcode/Makefile @@ -1,4 +1,7 @@ -# needs-matching-clang +# needs-force-clang-based-tests + +# FIXME(#126180): This test doesn't actually run anywhere, because the only +# CI job that sets RUSTBUILD_FORCE_CLANG_BASED_TESTS runs very few tests. # This test makes sure the embed bitcode in elf created with # lto-embed-bitcode=optimized is valid llvm BC module. diff --git a/tests/run-make/wasm-override-linker/Makefile b/tests/run-make/wasm-override-linker/Makefile index 52339f9261c4..1a01a574dee2 100644 --- a/tests/run-make/wasm-override-linker/Makefile +++ b/tests/run-make/wasm-override-linker/Makefile @@ -1,4 +1,7 @@ -# needs-matching-clang +# needs-force-clang-based-tests + +# FIXME(#126180): This test doesn't actually run anywhere, because the only +# CI job that sets RUSTBUILD_FORCE_CLANG_BASED_TESTS runs very few tests. include ../tools.mk From d041b7cf30bb5b5236cd9148cde7a3017ed28679 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Tue, 11 Jun 2024 07:47:58 +0200 Subject: [PATCH 1297/1716] check for correct trait in size_and_align_of --- compiler/rustc_const_eval/src/interpret/eval_context.rs | 4 ++-- compiler/rustc_const_eval/src/interpret/intrinsics.rs | 6 ++++-- compiler/rustc_const_eval/src/interpret/traits.rs | 3 ++- src/tools/miri/tests/fail/dyn-call-trait-mismatch.rs | 4 ++-- 4 files changed, 10 insertions(+), 7 deletions(-) diff --git a/compiler/rustc_const_eval/src/interpret/eval_context.rs b/compiler/rustc_const_eval/src/interpret/eval_context.rs index 7c2100fcbe38..e28cc05cc2a8 100644 --- a/compiler/rustc_const_eval/src/interpret/eval_context.rs +++ b/compiler/rustc_const_eval/src/interpret/eval_context.rs @@ -765,10 +765,10 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { } Ok(Some((full_size, full_align))) } - ty::Dynamic(_, _, ty::Dyn) => { + ty::Dynamic(expected_trait, _, ty::Dyn) => { let vtable = metadata.unwrap_meta().to_pointer(self)?; // Read size and align from vtable (already checks size). - Ok(Some(self.get_vtable_size_and_align(vtable)?)) + Ok(Some(self.get_vtable_size_and_align(vtable, Some(expected_trait))?)) } ty::Slice(_) | ty::Str => { diff --git a/compiler/rustc_const_eval/src/interpret/intrinsics.rs b/compiler/rustc_const_eval/src/interpret/intrinsics.rs index 18b76443cd95..497ae5001447 100644 --- a/compiler/rustc_const_eval/src/interpret/intrinsics.rs +++ b/compiler/rustc_const_eval/src/interpret/intrinsics.rs @@ -432,12 +432,14 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { sym::vtable_size => { let ptr = self.read_pointer(&args[0])?; - let (size, _align) = self.get_vtable_size_and_align(ptr)?; + // `None` because we don't know which trait to expect here; any vtable is okay. + let (size, _align) = self.get_vtable_size_and_align(ptr, None)?; self.write_scalar(Scalar::from_target_usize(size.bytes(), self), dest)?; } sym::vtable_align => { let ptr = self.read_pointer(&args[0])?; - let (_size, align) = self.get_vtable_size_and_align(ptr)?; + // `None` because we don't know which trait to expect here; any vtable is okay. + let (_size, align) = self.get_vtable_size_and_align(ptr, None)?; self.write_scalar(Scalar::from_target_usize(align.bytes(), self), dest)?; } diff --git a/compiler/rustc_const_eval/src/interpret/traits.rs b/compiler/rustc_const_eval/src/interpret/traits.rs index 1df9f5f7b2a2..44e7244a513e 100644 --- a/compiler/rustc_const_eval/src/interpret/traits.rs +++ b/compiler/rustc_const_eval/src/interpret/traits.rs @@ -36,8 +36,9 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { pub fn get_vtable_size_and_align( &self, vtable: Pointer>, + expected_trait: Option<&'tcx ty::List>>, ) -> InterpResult<'tcx, (Size, Align)> { - let ty = self.get_ptr_vtable_ty(vtable, None)?; + let ty = self.get_ptr_vtable_ty(vtable, expected_trait)?; let layout = self.layout_of(ty)?; assert!(layout.is_sized(), "there are no vtables for unsized types"); Ok((layout.size, layout.align.abi)) diff --git a/src/tools/miri/tests/fail/dyn-call-trait-mismatch.rs b/src/tools/miri/tests/fail/dyn-call-trait-mismatch.rs index f71df9a1c909..982d57b73720 100644 --- a/src/tools/miri/tests/fail/dyn-call-trait-mismatch.rs +++ b/src/tools/miri/tests/fail/dyn-call-trait-mismatch.rs @@ -1,5 +1,5 @@ -// Validation stops this too early. -//@compile-flags: -Zmiri-disable-validation +// Validation and SB stop this too early. +//@compile-flags: -Zmiri-disable-validation -Zmiri-disable-stacked-borrows trait T1 { #[allow(dead_code)] From 3757136d8e0d8ddca294453e5a5ce70cfa3417e9 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Mon, 10 Jun 2024 17:26:36 +0200 Subject: [PATCH 1298/1716] interpret: dyn trait metadata check: equate traits in a proper way --- .../rustc_const_eval/src/interpret/memory.rs | 4 +- .../rustc_const_eval/src/interpret/traits.rs | 36 ++++++++++++++++- ...iri-3541-dyn-vtable-trait-normalization.rs | 40 +++++++++++++++++++ 3 files changed, 76 insertions(+), 4 deletions(-) create mode 100644 src/tools/miri/tests/pass/issues/issue-miri-3541-dyn-vtable-trait-normalization.rs diff --git a/compiler/rustc_const_eval/src/interpret/memory.rs b/compiler/rustc_const_eval/src/interpret/memory.rs index 84c6dad1cd3f..e2e39399f3a9 100644 --- a/compiler/rustc_const_eval/src/interpret/memory.rs +++ b/compiler/rustc_const_eval/src/interpret/memory.rs @@ -884,9 +884,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { throw_ub!(InvalidVTablePointer(Pointer::new(alloc_id, offset))) }; if let Some(expected_trait) = expected_trait { - if vtable_trait != expected_trait.principal() { - throw_ub!(InvalidVTableTrait { expected_trait, vtable_trait }); - } + self.check_vtable_for_type(vtable_trait, expected_trait)?; } Ok(ty) } diff --git a/compiler/rustc_const_eval/src/interpret/traits.rs b/compiler/rustc_const_eval/src/interpret/traits.rs index 44e7244a513e..bd2c65194218 100644 --- a/compiler/rustc_const_eval/src/interpret/traits.rs +++ b/compiler/rustc_const_eval/src/interpret/traits.rs @@ -1,11 +1,14 @@ +use rustc_infer::infer::TyCtxtInferExt; +use rustc_infer::traits::ObligationCause; use rustc_middle::mir::interpret::{InterpResult, Pointer}; use rustc_middle::ty::layout::LayoutOf; use rustc_middle::ty::{self, Ty}; use rustc_target::abi::{Align, Size}; +use rustc_trait_selection::traits::ObligationCtxt; use tracing::trace; use super::util::ensure_monomorphic_enough; -use super::{InterpCx, MPlaceTy, Machine, MemPlaceMeta, OffsetMode, Projectable}; +use super::{throw_ub, InterpCx, MPlaceTy, Machine, MemPlaceMeta, OffsetMode, Projectable}; impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { /// Creates a dynamic vtable for the given type and vtable origin. This is used only for @@ -44,6 +47,37 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { Ok((layout.size, layout.align.abi)) } + /// Check that the given vtable trait is valid for a pointer/reference/place with the given + /// expected trait type. + pub(super) fn check_vtable_for_type( + &self, + vtable_trait: Option>, + expected_trait: &'tcx ty::List>, + ) -> InterpResult<'tcx> { + // Fast path: if they are equal, it's all fine. + if expected_trait.principal() == vtable_trait { + return Ok(()); + } + if let (Some(expected_trait), Some(vtable_trait)) = + (expected_trait.principal(), vtable_trait) + { + // Slow path: spin up an inference context to check if these traits are sufficiently equal. + let infcx = self.tcx.infer_ctxt().build(); + let ocx = ObligationCtxt::new(&infcx); + let cause = ObligationCause::dummy_with_span(self.cur_span()); + // equate the two trait refs after normalization + let expected_trait = ocx.normalize(&cause, self.param_env, expected_trait); + let vtable_trait = ocx.normalize(&cause, self.param_env, vtable_trait); + if ocx.eq(&cause, self.param_env, expected_trait, vtable_trait).is_ok() { + if ocx.select_all_or_error().is_empty() { + // All good. + return Ok(()); + } + } + } + throw_ub!(InvalidVTableTrait { expected_trait, vtable_trait }); + } + /// Turn a place with a `dyn Trait` type into a place with the actual dynamic type. pub(super) fn unpack_dyn_trait( &self, diff --git a/src/tools/miri/tests/pass/issues/issue-miri-3541-dyn-vtable-trait-normalization.rs b/src/tools/miri/tests/pass/issues/issue-miri-3541-dyn-vtable-trait-normalization.rs new file mode 100644 index 000000000000..c46031de2d84 --- /dev/null +++ b/src/tools/miri/tests/pass/issues/issue-miri-3541-dyn-vtable-trait-normalization.rs @@ -0,0 +1,40 @@ +#![feature(ptr_metadata)] +// This test is the result of minimizing the `emplacable` crate to reproduce +// . + +use std::{ops::FnMut, ptr::Pointee}; + +pub type EmplacerFn<'a, T> = dyn for<'b> FnMut(::Metadata) + 'a; + +#[repr(transparent)] +pub struct Emplacer<'a, T>(EmplacerFn<'a, T>) +where + T: ?Sized; + +impl<'a, T> Emplacer<'a, T> +where + T: ?Sized, +{ + pub unsafe fn from_fn<'b>(emplacer_fn: &'b mut EmplacerFn<'a, T>) -> &'b mut Self { + // This used to trigger: + // constructing invalid value: wrong trait in wide pointer vtable: expected + // `std::ops::FnMut(<[std::boxed::Box] as std::ptr::Pointee>::Metadata)`, but encountered + // `std::ops::FnMut<(usize,)>`. + unsafe { &mut *((emplacer_fn as *mut EmplacerFn<'a, T>) as *mut Self) } + } +} + +pub fn box_new_with() +where + T: ?Sized, +{ + let emplacer_closure = &mut |_meta| { + unreachable!(); + }; + + unsafe { Emplacer::::from_fn(emplacer_closure) }; +} + +fn main() { + box_new_with::<[Box]>(); +} From be4cd53536768f3b4dc27316dccfa1a0f595fc7e Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Tue, 11 Jun 2024 09:05:36 +0200 Subject: [PATCH 1299/1716] reachable computation: clarify comments around consts --- compiler/rustc_passes/src/reachable.rs | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/compiler/rustc_passes/src/reachable.rs b/compiler/rustc_passes/src/reachable.rs index 74b89546e6f9..6dd8eaf7e673 100644 --- a/compiler/rustc_passes/src/reachable.rs +++ b/compiler/rustc_passes/src/reachable.rs @@ -207,18 +207,21 @@ impl<'tcx> ReachableContext<'tcx> { } hir::ItemKind::Const(_, _, init) => { - // Only things actually ending up in the final constant need to be reachable. - // Everything else is either already available as `mir_for_ctfe`, or can't be used - // by codegen anyway. + // Only things actually ending up in the final constant value are reachable + // for codegen. Everything else is only needed during const-eval, so even if + // const-eval happens in a downstream crate, all they need is + // `mir_for_ctfe`. match self.tcx.const_eval_poly_to_alloc(item.owner_id.def_id.into()) { Ok(alloc) => { let alloc = self.tcx.global_alloc(alloc.alloc_id).unwrap_memory(); self.propagate_from_alloc(alloc); } - // Reachable generic constants will be inlined into other crates - // unconditionally, so we need to make sure that their - // contents are also reachable. + // We can't figure out which value the constant will evaluate to. In + // lieu of that, we have to consider everything mentioned in the const + // initializer reachable, since it *may* end up in the final value. Err(ErrorHandled::TooGeneric(_)) => self.visit_nested_body(init), + // If there was an error evaluating the const, nothing can be reachable + // via it, and anyway compilation will fail. Err(ErrorHandled::Reported(..)) => {} } } From ab0f87ec66f104c300f0a2dfd95a8e30a770155d Mon Sep 17 00:00:00 2001 From: Lzu Tao Date: Tue, 11 Jun 2024 07:45:16 +0000 Subject: [PATCH 1300/1716] Fix tests for 32 bits targets --- .../issue-83585-small-pod-struct-equality.rs | 13 ++++++------- tests/codegen/issues/issue-109328-split_first.rs | 4 ++-- tests/codegen/issues/issue-110797-enum-jump-same.rs | 4 ++-- tests/codegen/slice-pointer-nonnull-unwrap.rs | 2 +- 4 files changed, 11 insertions(+), 12 deletions(-) diff --git a/tests/assembly/issue-83585-small-pod-struct-equality.rs b/tests/assembly/issue-83585-small-pod-struct-equality.rs index 9b0d605666d6..14bec1337f0b 100644 --- a/tests/assembly/issue-83585-small-pod-struct-equality.rs +++ b/tests/assembly/issue-83585-small-pod-struct-equality.rs @@ -1,27 +1,26 @@ //@ assembly-output: emit-asm -//@ compile-flags:-Copt-level=3 +//@ compile-flags: -Copt-level=3 //@ only-x86_64 #![crate_type = "lib"] type T = u8; type T1 = (T, T, T, T, T, T, T, T); -type T2 = [T; 8]; // CHECK-LABEL: foo1a -// CHECK: cmp +// CHECK: cmpq // CHECK-NEXT: sete -// CHECK-NEXT: ret +// CHECK-NEXT: {{retq|popq}} #[no_mangle] pub fn foo1a(a: T1, b: T1) -> bool { a == b } // CHECK-LABEL: foo1b -// CHECK: mov -// CHECK-NEXT: cmp +// CHECK: movq +// CHECK: cmpq // CHECK-NEXT: sete -// CHECK-NEXT: ret +// CHECK-NEXT: {{retq|popq}} #[no_mangle] pub fn foo1b(a: &T1, b: &T1) -> bool { a == b diff --git a/tests/codegen/issues/issue-109328-split_first.rs b/tests/codegen/issues/issue-109328-split_first.rs index d3844c3ec20c..7f7957593d2d 100644 --- a/tests/codegen/issues/issue-109328-split_first.rs +++ b/tests/codegen/issues/issue-109328-split_first.rs @@ -5,8 +5,8 @@ // CHECK-LABEL: @foo // CHECK-NEXT: {{.*}}: // CHECK-NEXT: getelementptr inbounds -// CHECK-NEXT: load i64 -// CHECK-NEXT: icmp eq i64 +// CHECK-NEXT: load [[TYPE:i(32|64)]] +// CHECK-NEXT: icmp eq [[TYPE]] // CHECK-NEXT: br i1 #[no_mangle] pub fn foo(input: &mut &[u64]) -> Option { diff --git a/tests/codegen/issues/issue-110797-enum-jump-same.rs b/tests/codegen/issues/issue-110797-enum-jump-same.rs index d52faef23ad8..f34b191ac709 100644 --- a/tests/codegen/issues/issue-110797-enum-jump-same.rs +++ b/tests/codegen/issues/issue-110797-enum-jump-same.rs @@ -13,8 +13,8 @@ pub enum K { // CHECK-LABEL: @get_len // CHECK-NEXT: {{.*}}: // CHECK-NEXT: getelementptr inbounds -// CHECK-NEXT: load -// CHECK-NEXT: ret i64 +// CHECK-NEXT: load [[TYPE:i(32|64)]] +// CHECK-NEXT: ret [[TYPE]] #[no_mangle] pub fn get_len(arg: &K) -> usize { match arg { diff --git a/tests/codegen/slice-pointer-nonnull-unwrap.rs b/tests/codegen/slice-pointer-nonnull-unwrap.rs index 48bf8fa88a06..2c4a959685f9 100644 --- a/tests/codegen/slice-pointer-nonnull-unwrap.rs +++ b/tests/codegen/slice-pointer-nonnull-unwrap.rs @@ -6,7 +6,7 @@ use std::ptr::NonNull; // CHECK-LABEL: @slice_ptr_len_1 // CHECK-NEXT: {{.*}}: -// CHECK-NEXT: ret i64 %ptr.1 +// CHECK-NEXT: ret {{i(32|64)}} %ptr.1 #[no_mangle] pub fn slice_ptr_len_1(ptr: *const [u8]) -> usize { let ptr = ptr.cast_mut(); From fe55c0091db4654ad0185831aa3dd110e5e6cd73 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Tue, 11 Jun 2024 06:49:05 +0000 Subject: [PATCH 1301/1716] Add regression test --- tests/ui/impl-trait/recursive-bound-eval.rs | 18 ++++++++ .../ui/impl-trait/recursive-bound-eval.stderr | 42 +++++++++++++++++++ 2 files changed, 60 insertions(+) create mode 100644 tests/ui/impl-trait/recursive-bound-eval.rs create mode 100644 tests/ui/impl-trait/recursive-bound-eval.stderr diff --git a/tests/ui/impl-trait/recursive-bound-eval.rs b/tests/ui/impl-trait/recursive-bound-eval.rs new file mode 100644 index 000000000000..f992cb3071a9 --- /dev/null +++ b/tests/ui/impl-trait/recursive-bound-eval.rs @@ -0,0 +1,18 @@ +pub trait Parser { + fn parse(&self) -> E; +} + +impl E> Parser for T { + fn parse(&self) -> E { + self() + } +} + +pub fn recursive_fn() -> impl Parser { + //~^ ERROR: cycle detected + move || recursive_fn().parse() + //~^ ERROR: type annotations needed + //~| ERROR: no method named `parse` found for opaque type +} + +fn main() {} diff --git a/tests/ui/impl-trait/recursive-bound-eval.stderr b/tests/ui/impl-trait/recursive-bound-eval.stderr new file mode 100644 index 000000000000..c7283380234d --- /dev/null +++ b/tests/ui/impl-trait/recursive-bound-eval.stderr @@ -0,0 +1,42 @@ +error[E0282]: type annotations needed + --> $DIR/recursive-bound-eval.rs:13:28 + | +LL | move || recursive_fn().parse() + | ^^^^^ cannot infer type + +error[E0599]: no method named `parse` found for opaque type `impl Parser<_>` in the current scope + --> $DIR/recursive-bound-eval.rs:13:28 + | +LL | move || recursive_fn().parse() + | ^^^^^ method not found in `impl Parser<_>` + | + = help: items from traits can only be used if the trait is implemented and in scope +help: trait `Parser` which provides `parse` is implemented but not in scope; perhaps you want to import it + | +LL + use Parser; + | + +error[E0391]: cycle detected when computing type of opaque `recursive_fn::{opaque#0}` + --> $DIR/recursive-bound-eval.rs:11:29 + | +LL | pub fn recursive_fn() -> impl Parser { + | ^^^^^^^^^^^^^^ + | +note: ...which requires type-checking `recursive_fn`... + --> $DIR/recursive-bound-eval.rs:13:13 + | +LL | move || recursive_fn().parse() + | ^^^^^^^^^^^^^^ + = note: ...which requires evaluating trait selection obligation `recursive_fn::{opaque#0}: core::marker::Unpin`... + = note: ...which again requires computing type of opaque `recursive_fn::{opaque#0}`, completing the cycle +note: cycle used when computing type of `recursive_fn::{opaque#0}` + --> $DIR/recursive-bound-eval.rs:11:29 + | +LL | pub fn recursive_fn() -> impl Parser { + | ^^^^^^^^^^^^^^ + = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information + +error: aborting due to 3 previous errors + +Some errors have detailed explanations: E0282, E0391, E0599. +For more information about an error, try `rustc --explain E0282`. From 6cca6da1265b9bede368f34da6be42057adc9834 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Tue, 11 Jun 2024 06:49:12 +0000 Subject: [PATCH 1302/1716] Revert "When checking whether an impl applies, constrain hidden types of opaque types." This reverts commit 29a630eb72ffb94c3708947afae1e948ad3cb189. --- .../src/traits/select/mod.rs | 2 +- tests/ui/impl-trait/equality.rs | 13 +++--- tests/ui/impl-trait/equality.stderr | 15 +++++-- tests/ui/impl-trait/nested_impl_trait.stderr | 16 +++---- tests/ui/impl-trait/recursive-bound-eval.rs | 8 ++-- .../ui/impl-trait/recursive-bound-eval.stderr | 42 ------------------- ...rsive-type-alias-impl-trait-declaration.rs | 2 +- ...e-type-alias-impl-trait-declaration.stderr | 12 ++++-- .../constrain_in_projection.current.stderr | 11 +++++ .../constrain_in_projection.rs | 3 +- .../constrain_in_projection2.current.stderr | 18 +++----- .../constrain_in_projection2.rs | 3 +- .../issue-84660-unsoundness.next.stderr | 23 ---------- .../issue-84660-unsoundness.rs | 8 +--- ....stderr => issue-84660-unsoundness.stderr} | 2 +- .../nested-tait-inference.rs | 13 +++--- .../nested-tait-inference2.current.stderr | 17 -------- .../nested-tait-inference2.next.stderr | 9 ---- .../nested-tait-inference2.rs | 7 +--- .../nested-tait-inference2.stderr | 16 +++++++ .../normalize-hidden-types.current.stderr | 19 +++++---- .../self-referential-2.current.stderr | 14 +++++++ .../self-referential-2.rs | 4 +- .../self-referential-3.rs | 2 +- .../self-referential-3.stderr | 12 ++++-- 25 files changed, 120 insertions(+), 171 deletions(-) delete mode 100644 tests/ui/impl-trait/recursive-bound-eval.stderr create mode 100644 tests/ui/type-alias-impl-trait/constrain_in_projection.current.stderr delete mode 100644 tests/ui/type-alias-impl-trait/issue-84660-unsoundness.next.stderr rename tests/ui/type-alias-impl-trait/{issue-84660-unsoundness.current.stderr => issue-84660-unsoundness.stderr} (90%) delete mode 100644 tests/ui/type-alias-impl-trait/nested-tait-inference2.current.stderr delete mode 100644 tests/ui/type-alias-impl-trait/nested-tait-inference2.next.stderr create mode 100644 tests/ui/type-alias-impl-trait/nested-tait-inference2.stderr create mode 100644 tests/ui/type-alias-impl-trait/self-referential-2.current.stderr diff --git a/compiler/rustc_trait_selection/src/traits/select/mod.rs b/compiler/rustc_trait_selection/src/traits/select/mod.rs index 4a935f4a64a0..4306a8035241 100644 --- a/compiler/rustc_trait_selection/src/traits/select/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/select/mod.rs @@ -2563,7 +2563,7 @@ impl<'tcx> SelectionContext<'_, 'tcx> { let InferOk { obligations, .. } = self .infcx .at(&cause, obligation.param_env) - .eq(DefineOpaqueTypes::Yes, placeholder_obligation_trait_ref, impl_trait_ref) + .eq(DefineOpaqueTypes::No, placeholder_obligation_trait_ref, impl_trait_ref) .map_err(|e| { debug!("match_impl: failed eq_trait_refs due to `{}`", e.to_string(self.tcx())) })?; diff --git a/tests/ui/impl-trait/equality.rs b/tests/ui/impl-trait/equality.rs index 952f81f19784..828b5aac896b 100644 --- a/tests/ui/impl-trait/equality.rs +++ b/tests/ui/impl-trait/equality.rs @@ -22,7 +22,7 @@ fn sum_to(n: u32) -> impl Foo { 0 } else { n + sum_to(n - 1) - //~^ ERROR cannot satisfy `>::Output == i32` + //~^ ERROR cannot add `impl Foo` to `u32` } } @@ -32,15 +32,12 @@ trait Leak: Sized { } impl Leak for T { default type T = (); - default fn leak(self) -> Self::T { - panic!() - } + default fn leak(self) -> Self::T { panic!() } } impl Leak for i32 { type T = i32; - fn leak(self) -> i32 { - self - } + fn leak(self) -> i32 { self } } -fn main() {} +fn main() { +} diff --git a/tests/ui/impl-trait/equality.stderr b/tests/ui/impl-trait/equality.stderr index c9ba1a5ba32d..69f4cbbbf429 100644 --- a/tests/ui/impl-trait/equality.stderr +++ b/tests/ui/impl-trait/equality.stderr @@ -22,13 +22,20 @@ help: change the type of the numeric literal from `u32` to `i32` LL | 0_i32 | ~~~ -error[E0284]: type annotations needed: cannot satisfy `>::Output == i32` +error[E0277]: cannot add `impl Foo` to `u32` --> $DIR/equality.rs:24:11 | LL | n + sum_to(n - 1) - | ^ cannot satisfy `>::Output == i32` + | ^ no implementation for `u32 + impl Foo` + | + = help: the trait `Add` is not implemented for `u32` + = help: the following other types implement trait `Add`: + <&'a u32 as Add> + <&u32 as Add<&u32>> + > + error: aborting due to 2 previous errors; 1 warning emitted -Some errors have detailed explanations: E0284, E0308. -For more information about an error, try `rustc --explain E0284`. +Some errors have detailed explanations: E0277, E0308. +For more information about an error, try `rustc --explain E0277`. diff --git a/tests/ui/impl-trait/nested_impl_trait.stderr b/tests/ui/impl-trait/nested_impl_trait.stderr index f7c708a1dfae..1f9a2a5e9d60 100644 --- a/tests/ui/impl-trait/nested_impl_trait.stderr +++ b/tests/ui/impl-trait/nested_impl_trait.stderr @@ -46,23 +46,19 @@ error[E0277]: the trait bound `impl Into: Into` is not satisfie --> $DIR/nested_impl_trait.rs:6:46 | LL | fn bad_in_ret_position(x: impl Into) -> impl Into { x } - | ^^^^^^^^^^^^^^^^^^^^^ the trait `Debug` is not implemented for `impl Into` + | ^^^^^^^^^^^^^^^^^^^^^ the trait `From>` is not implemented for `impl Into`, which is required by `impl Into: Into` | -help: consider further restricting this bound - | -LL | fn bad_in_ret_position(x: impl Into + std::fmt::Debug) -> impl Into { x } - | +++++++++++++++++ + = help: the trait `Into` is implemented for `T` + = note: required for `impl Into` to implement `Into` error[E0277]: the trait bound `impl Into: Into` is not satisfied --> $DIR/nested_impl_trait.rs:19:34 | LL | fn bad(x: impl Into) -> impl Into { x } - | ^^^^^^^^^^^^^^^^^^^^^ the trait `Debug` is not implemented for `impl Into` + | ^^^^^^^^^^^^^^^^^^^^^ the trait `From>` is not implemented for `impl Into`, which is required by `impl Into: Into` | -help: consider further restricting this bound - | -LL | fn bad(x: impl Into + std::fmt::Debug) -> impl Into { x } - | +++++++++++++++++ + = help: the trait `Into` is implemented for `T` + = note: required for `impl Into` to implement `Into` error: aborting due to 7 previous errors diff --git a/tests/ui/impl-trait/recursive-bound-eval.rs b/tests/ui/impl-trait/recursive-bound-eval.rs index f992cb3071a9..591553e7cebb 100644 --- a/tests/ui/impl-trait/recursive-bound-eval.rs +++ b/tests/ui/impl-trait/recursive-bound-eval.rs @@ -1,3 +1,8 @@ +//! Test that we can evaluate nested obligations when invoking methods on recursive calls on +//! an RPIT. + +//@ check-pass + pub trait Parser { fn parse(&self) -> E; } @@ -9,10 +14,7 @@ impl E> Parser for T { } pub fn recursive_fn() -> impl Parser { - //~^ ERROR: cycle detected move || recursive_fn().parse() - //~^ ERROR: type annotations needed - //~| ERROR: no method named `parse` found for opaque type } fn main() {} diff --git a/tests/ui/impl-trait/recursive-bound-eval.stderr b/tests/ui/impl-trait/recursive-bound-eval.stderr deleted file mode 100644 index c7283380234d..000000000000 --- a/tests/ui/impl-trait/recursive-bound-eval.stderr +++ /dev/null @@ -1,42 +0,0 @@ -error[E0282]: type annotations needed - --> $DIR/recursive-bound-eval.rs:13:28 - | -LL | move || recursive_fn().parse() - | ^^^^^ cannot infer type - -error[E0599]: no method named `parse` found for opaque type `impl Parser<_>` in the current scope - --> $DIR/recursive-bound-eval.rs:13:28 - | -LL | move || recursive_fn().parse() - | ^^^^^ method not found in `impl Parser<_>` - | - = help: items from traits can only be used if the trait is implemented and in scope -help: trait `Parser` which provides `parse` is implemented but not in scope; perhaps you want to import it - | -LL + use Parser; - | - -error[E0391]: cycle detected when computing type of opaque `recursive_fn::{opaque#0}` - --> $DIR/recursive-bound-eval.rs:11:29 - | -LL | pub fn recursive_fn() -> impl Parser { - | ^^^^^^^^^^^^^^ - | -note: ...which requires type-checking `recursive_fn`... - --> $DIR/recursive-bound-eval.rs:13:13 - | -LL | move || recursive_fn().parse() - | ^^^^^^^^^^^^^^ - = note: ...which requires evaluating trait selection obligation `recursive_fn::{opaque#0}: core::marker::Unpin`... - = note: ...which again requires computing type of opaque `recursive_fn::{opaque#0}`, completing the cycle -note: cycle used when computing type of `recursive_fn::{opaque#0}` - --> $DIR/recursive-bound-eval.rs:11:29 - | -LL | pub fn recursive_fn() -> impl Parser { - | ^^^^^^^^^^^^^^ - = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information - -error: aborting due to 3 previous errors - -Some errors have detailed explanations: E0282, E0391, E0599. -For more information about an error, try `rustc --explain E0282`. diff --git a/tests/ui/impl-trait/recursive-type-alias-impl-trait-declaration.rs b/tests/ui/impl-trait/recursive-type-alias-impl-trait-declaration.rs index 7874a21f3aec..aab10be2de27 100644 --- a/tests/ui/impl-trait/recursive-type-alias-impl-trait-declaration.rs +++ b/tests/ui/impl-trait/recursive-type-alias-impl-trait-declaration.rs @@ -11,7 +11,7 @@ impl PartialEq<(Bar, i32)> for Bar { } fn foo() -> Foo { - //~^ ERROR overflow evaluating the requirement `Bar: PartialEq<(Foo, i32)>` + //~^ ERROR can't compare `Bar` with `(Foo, i32)` Bar } diff --git a/tests/ui/impl-trait/recursive-type-alias-impl-trait-declaration.stderr b/tests/ui/impl-trait/recursive-type-alias-impl-trait-declaration.stderr index 2d4707f8a279..bc810c0f88f3 100644 --- a/tests/ui/impl-trait/recursive-type-alias-impl-trait-declaration.stderr +++ b/tests/ui/impl-trait/recursive-type-alias-impl-trait-declaration.stderr @@ -1,9 +1,15 @@ -error[E0275]: overflow evaluating the requirement `Bar: PartialEq<(Foo, i32)>` +error[E0277]: can't compare `Bar` with `(Foo, i32)` --> $DIR/recursive-type-alias-impl-trait-declaration.rs:13:13 | LL | fn foo() -> Foo { - | ^^^ + | ^^^ no implementation for `Bar == (Foo, i32)` +LL | +LL | Bar + | --- return type was inferred to be `Bar` here + | + = help: the trait `PartialEq<(Foo, i32)>` is not implemented for `Bar` + = help: the trait `PartialEq<(Bar, i32)>` is implemented for `Bar` error: aborting due to 1 previous error -For more information about this error, try `rustc --explain E0275`. +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/type-alias-impl-trait/constrain_in_projection.current.stderr b/tests/ui/type-alias-impl-trait/constrain_in_projection.current.stderr new file mode 100644 index 000000000000..c215d197db43 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/constrain_in_projection.current.stderr @@ -0,0 +1,11 @@ +error[E0277]: the trait bound `Foo: Trait` is not satisfied + --> $DIR/constrain_in_projection.rs:24:14 + | +LL | let x = >::Assoc::default(); + | ^^^ the trait `Trait` is not implemented for `Foo` + | + = help: the trait `Trait<()>` is implemented for `Foo` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/type-alias-impl-trait/constrain_in_projection.rs b/tests/ui/type-alias-impl-trait/constrain_in_projection.rs index 2a246900106c..7d7d16361ae6 100644 --- a/tests/ui/type-alias-impl-trait/constrain_in_projection.rs +++ b/tests/ui/type-alias-impl-trait/constrain_in_projection.rs @@ -4,7 +4,7 @@ //@ revisions: current next //@ ignore-compare-mode-next-solver (explicit revisions) //@[next] compile-flags: -Znext-solver -//@check-pass +//@[next]check-pass #![feature(type_alias_impl_trait)] @@ -22,6 +22,7 @@ impl Trait<()> for Foo { fn bop(_: Bar) { let x = >::Assoc::default(); + //[current]~^ `Foo: Trait` is not satisfied } fn main() {} diff --git a/tests/ui/type-alias-impl-trait/constrain_in_projection2.current.stderr b/tests/ui/type-alias-impl-trait/constrain_in_projection2.current.stderr index 0d6eac4216ba..69df5c77f9de 100644 --- a/tests/ui/type-alias-impl-trait/constrain_in_projection2.current.stderr +++ b/tests/ui/type-alias-impl-trait/constrain_in_projection2.current.stderr @@ -1,19 +1,13 @@ -error[E0283]: type annotations needed: cannot satisfy `Foo: Trait` +error[E0277]: the trait bound `Foo: Trait` is not satisfied --> $DIR/constrain_in_projection2.rs:27:14 | LL | let x = >::Assoc::default(); - | ^^^ help: use the fully qualified path to an implementation: `::Assoc` + | ^^^ the trait `Trait` is not implemented for `Foo` | -note: multiple `impl`s satisfying `Foo: Trait` found - --> $DIR/constrain_in_projection2.rs:18:1 - | -LL | impl Trait<()> for Foo { - | ^^^^^^^^^^^^^^^^^^^^^^ -... -LL | impl Trait for Foo { - | ^^^^^^^^^^^^^^^^^^^^^^^ - = note: associated types cannot be accessed directly on a `trait`, they can only be accessed through a specific `impl` + = help: the following other types implement trait `Trait`: + > + > error: aborting due to 1 previous error -For more information about this error, try `rustc --explain E0283`. +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/type-alias-impl-trait/constrain_in_projection2.rs b/tests/ui/type-alias-impl-trait/constrain_in_projection2.rs index 0066131f0155..af222f6c1534 100644 --- a/tests/ui/type-alias-impl-trait/constrain_in_projection2.rs +++ b/tests/ui/type-alias-impl-trait/constrain_in_projection2.rs @@ -25,7 +25,8 @@ impl Trait for Foo { fn bop(_: Bar) { let x = >::Assoc::default(); - //~^ ERROR: cannot satisfy `Foo: Trait` + //[next]~^ ERROR: cannot satisfy `Foo: Trait` + //[current]~^^ ERROR: `Foo: Trait` is not satisfied } fn main() {} diff --git a/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.next.stderr b/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.next.stderr deleted file mode 100644 index 607f0b062abd..000000000000 --- a/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.next.stderr +++ /dev/null @@ -1,23 +0,0 @@ -error[E0284]: type annotations needed: cannot satisfy `>::Out == ()` - --> $DIR/issue-84660-unsoundness.rs:22:37 - | -LL | fn convert(_i: In) -> Self::Out { - | _____________________________________^ -LL | | -LL | | unreachable!(); -LL | | } - | |_____^ cannot satisfy `>::Out == ()` - -error[E0119]: conflicting implementations of trait `Trait` - --> $DIR/issue-84660-unsoundness.rs:28:1 - | -LL | impl Trait for Out { - | ------------------------------------ first implementation here -... -LL | impl Trait<(), In> for Out { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation - -error: aborting due to 2 previous errors - -Some errors have detailed explanations: E0119, E0284. -For more information about an error, try `rustc --explain E0119`. diff --git a/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.rs b/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.rs index 99a5d36066b0..48d4b0c96ff0 100644 --- a/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.rs +++ b/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.rs @@ -1,10 +1,6 @@ // Another example from issue #84660, this time weaponized as a safe transmute: an opaque type in an // impl header being accepted was used to create unsoundness. -//@ revisions: current next -//@ ignore-compare-mode-next-solver (explicit revisions) -//@[next] compile-flags: -Znext-solver - #![feature(type_alias_impl_trait)] trait Foo {} @@ -20,13 +16,11 @@ trait Trait { impl Trait for Out { type Out = Out; fn convert(_i: In) -> Self::Out { - //[next]~^ ERROR: type annotations needed unreachable!(); } } -impl Trait<(), In> for Out { - //~^ ERROR conflicting implementations of trait `Trait` +impl Trait<(), In> for Out { //~ ERROR conflicting implementations of trait `Trait` type Out = In; fn convert(i: In) -> Self::Out { i diff --git a/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.current.stderr b/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.stderr similarity index 90% rename from tests/ui/type-alias-impl-trait/issue-84660-unsoundness.current.stderr rename to tests/ui/type-alias-impl-trait/issue-84660-unsoundness.stderr index a7ff097e8bf3..461da20f37b6 100644 --- a/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.current.stderr +++ b/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.stderr @@ -1,5 +1,5 @@ error[E0119]: conflicting implementations of trait `Trait` - --> $DIR/issue-84660-unsoundness.rs:28:1 + --> $DIR/issue-84660-unsoundness.rs:23:1 | LL | impl Trait for Out { | ------------------------------------ first implementation here diff --git a/tests/ui/type-alias-impl-trait/nested-tait-inference.rs b/tests/ui/type-alias-impl-trait/nested-tait-inference.rs index 70495c44706a..82248971692c 100644 --- a/tests/ui/type-alias-impl-trait/nested-tait-inference.rs +++ b/tests/ui/type-alias-impl-trait/nested-tait-inference.rs @@ -1,21 +1,18 @@ #![feature(type_alias_impl_trait)] #![allow(dead_code)] -//@ revisions: current next -//@ ignore-compare-mode-next-solver (explicit revisions) -//@[next] compile-flags: -Znext-solver -//@check-pass - use std::fmt::Debug; type FooX = impl Debug; -trait Foo {} +trait Foo { } -impl Foo<()> for () {} +impl Foo<()> for () { } fn foo() -> impl Foo { + //~^ ERROR: the trait bound `(): Foo` is not satisfied + // FIXME(type-alias-impl-trait): We could probably make this work. () } -fn main() {} +fn main() { } diff --git a/tests/ui/type-alias-impl-trait/nested-tait-inference2.current.stderr b/tests/ui/type-alias-impl-trait/nested-tait-inference2.current.stderr deleted file mode 100644 index c7b7af152ab3..000000000000 --- a/tests/ui/type-alias-impl-trait/nested-tait-inference2.current.stderr +++ /dev/null @@ -1,17 +0,0 @@ -error[E0283]: type annotations needed: cannot satisfy `(): Foo` - --> $DIR/nested-tait-inference2.rs:17:13 - | -LL | fn foo() -> impl Foo { - | ^^^^^^^^^^^^^^ - | -note: multiple `impl`s satisfying `(): Foo` found - --> $DIR/nested-tait-inference2.rs:14:1 - | -LL | impl Foo<()> for () {} - | ^^^^^^^^^^^^^^^^^^^ -LL | impl Foo for () {} - | ^^^^^^^^^^^^^^^^^^^^ - -error: aborting due to 1 previous error - -For more information about this error, try `rustc --explain E0283`. diff --git a/tests/ui/type-alias-impl-trait/nested-tait-inference2.next.stderr b/tests/ui/type-alias-impl-trait/nested-tait-inference2.next.stderr deleted file mode 100644 index 9647d9e376eb..000000000000 --- a/tests/ui/type-alias-impl-trait/nested-tait-inference2.next.stderr +++ /dev/null @@ -1,9 +0,0 @@ -error[E0284]: type annotations needed: cannot satisfy `impl Foo == ()` - --> $DIR/nested-tait-inference2.rs:19:5 - | -LL | () - | ^^ cannot satisfy `impl Foo == ()` - -error: aborting due to 1 previous error - -For more information about this error, try `rustc --explain E0284`. diff --git a/tests/ui/type-alias-impl-trait/nested-tait-inference2.rs b/tests/ui/type-alias-impl-trait/nested-tait-inference2.rs index fe2f76e552ad..0d7f5bad25f1 100644 --- a/tests/ui/type-alias-impl-trait/nested-tait-inference2.rs +++ b/tests/ui/type-alias-impl-trait/nested-tait-inference2.rs @@ -1,10 +1,6 @@ #![feature(type_alias_impl_trait)] #![allow(dead_code)] -//@ revisions: current next -//@ ignore-compare-mode-next-solver (explicit revisions) -//@[next] compile-flags: -Znext-solver - use std::fmt::Debug; type FooX = impl Debug; @@ -15,9 +11,8 @@ impl Foo<()> for () {} impl Foo for () {} fn foo() -> impl Foo { - //[current]~^ ERROR: cannot satisfy `(): Foo` + //~^ ERROR: the trait bound `(): Foo` is not satisfied () - //[next]~^ ERROR: cannot satisfy `impl Foo == ()` } fn main() {} diff --git a/tests/ui/type-alias-impl-trait/nested-tait-inference2.stderr b/tests/ui/type-alias-impl-trait/nested-tait-inference2.stderr new file mode 100644 index 000000000000..241342b05096 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/nested-tait-inference2.stderr @@ -0,0 +1,16 @@ +error[E0277]: the trait bound `(): Foo` is not satisfied + --> $DIR/nested-tait-inference2.rs:13:13 + | +LL | fn foo() -> impl Foo { + | ^^^^^^^^^^^^^^ the trait `Foo` is not implemented for `()` +LL | +LL | () + | -- return type was inferred to be `()` here + | + = help: the following other types implement trait `Foo`: + <() as Foo<()>> + <() as Foo> + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/type-alias-impl-trait/normalize-hidden-types.current.stderr b/tests/ui/type-alias-impl-trait/normalize-hidden-types.current.stderr index eff29303bf18..a40dac06a01c 100644 --- a/tests/ui/type-alias-impl-trait/normalize-hidden-types.current.stderr +++ b/tests/ui/type-alias-impl-trait/normalize-hidden-types.current.stderr @@ -22,17 +22,21 @@ note: previous use here LL | fn define_1() -> Opaque { dyn_hoops::<_>(0) } | ^^^^^^^^^^^^^^^^^ -error: concrete type differs from previous defining opaque type use +error[E0308]: mismatched types --> $DIR/normalize-hidden-types.rs:43:25 | +LL | type Opaque = impl Sized; + | ---------- the expected opaque type +... LL | let _: Opaque = dyn_hoops::(0); - | ^^^^^^^^^^^^^^^^^^ expected `*const (dyn FnOnce(()) + 'static)`, got `*const dyn for<'a> FnOnce(::Gat<'a>)` + | ------ ^^^^^^^^^^^^^^^^^^ expected opaque type, found `*const dyn FnOnce(())` + | | + | expected due to this | -note: previous use here - --> $DIR/normalize-hidden-types.rs:44:9 - | -LL | None - | ^^^^ + = note: expected opaque type `typeck::Opaque` + found raw pointer `*const (dyn FnOnce(()) + 'static)` + = help: consider constraining the associated type `::Gat<'_>` to `()` or calling a method that returns `::Gat<'_>` + = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html error: concrete type differs from previous defining opaque type use --> $DIR/normalize-hidden-types.rs:52:25 @@ -48,3 +52,4 @@ LL | None error: aborting due to 4 previous errors +For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/type-alias-impl-trait/self-referential-2.current.stderr b/tests/ui/type-alias-impl-trait/self-referential-2.current.stderr new file mode 100644 index 000000000000..3ae3590ca7fe --- /dev/null +++ b/tests/ui/type-alias-impl-trait/self-referential-2.current.stderr @@ -0,0 +1,14 @@ +error[E0277]: can't compare `i32` with `Foo` + --> $DIR/self-referential-2.rs:10:13 + | +LL | fn bar() -> Bar { + | ^^^ no implementation for `i32 == Foo` +LL | 42_i32 + | ------ return type was inferred to be `i32` here + | + = help: the trait `PartialEq` is not implemented for `i32` + = help: the trait `PartialEq` is implemented for `i32` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/type-alias-impl-trait/self-referential-2.rs b/tests/ui/type-alias-impl-trait/self-referential-2.rs index f4102f2e2cb7..f96364ccfcdd 100644 --- a/tests/ui/type-alias-impl-trait/self-referential-2.rs +++ b/tests/ui/type-alias-impl-trait/self-referential-2.rs @@ -1,14 +1,14 @@ //@ revisions: current next //@ ignore-compare-mode-next-solver (explicit revisions) //@[next] compile-flags: -Znext-solver -//@ check-pass +//@[next] check-pass #![feature(type_alias_impl_trait)] type Foo = impl std::fmt::Debug; type Bar = impl PartialEq; fn bar() -> Bar { - 42_i32 + 42_i32 //[current]~^ ERROR can't compare `i32` with `Foo` } fn main() {} diff --git a/tests/ui/type-alias-impl-trait/self-referential-3.rs b/tests/ui/type-alias-impl-trait/self-referential-3.rs index 3b015ab322ac..b33051da2d77 100644 --- a/tests/ui/type-alias-impl-trait/self-referential-3.rs +++ b/tests/ui/type-alias-impl-trait/self-referential-3.rs @@ -5,7 +5,7 @@ type Bar<'a, 'b> = impl PartialEq> + std::fmt::Debug; fn bar<'a, 'b>(i: &'a i32) -> Bar<'a, 'b> { - //~^ ERROR overflow normalizing the type alias `Bar<'a, 'b>` + //~^ ERROR can't compare `&i32` with `Bar<'a, 'b>` i } diff --git a/tests/ui/type-alias-impl-trait/self-referential-3.stderr b/tests/ui/type-alias-impl-trait/self-referential-3.stderr index caa9f9691dda..32eac622e518 100644 --- a/tests/ui/type-alias-impl-trait/self-referential-3.stderr +++ b/tests/ui/type-alias-impl-trait/self-referential-3.stderr @@ -1,11 +1,15 @@ -error[E0275]: overflow normalizing the type alias `Bar<'a, 'b>` +error[E0277]: can't compare `&i32` with `Bar<'a, 'b>` --> $DIR/self-referential-3.rs:7:31 | LL | fn bar<'a, 'b>(i: &'a i32) -> Bar<'a, 'b> { - | ^^^^^^^^^^^ + | ^^^^^^^^^^^ no implementation for `&i32 == Bar<'a, 'b>` +LL | +LL | i + | - return type was inferred to be `&i32` here | - = note: in case this is a recursive type alias, consider using a struct, enum, or union instead + = help: the trait `PartialEq>` is not implemented for `&i32` + = help: the trait `PartialEq` is implemented for `i32` error: aborting due to 1 previous error -For more information about this error, try `rustc --explain E0275`. +For more information about this error, try `rustc --explain E0277`. From 03fa9b807379dbce92b346b489acecff6082e283 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Tue, 11 Jun 2024 06:54:38 +0000 Subject: [PATCH 1303/1716] Also test under next solver --- .../recursive-bound-eval.next.stderr | 9 ++++++++ tests/ui/impl-trait/recursive-bound-eval.rs | 6 ++++- ...=> issue-84660-unsoundness.current.stderr} | 2 +- .../issue-84660-unsoundness.next.stderr | 23 +++++++++++++++++++ .../issue-84660-unsoundness.rs | 8 ++++++- ...r => nested-tait-inference.current.stderr} | 2 +- .../nested-tait-inference.rs | 13 +++++++---- ... => nested-tait-inference2.current.stderr} | 2 +- .../nested-tait-inference2.next.stderr | 9 ++++++++ .../nested-tait-inference2.rs | 7 +++++- 10 files changed, 71 insertions(+), 10 deletions(-) create mode 100644 tests/ui/impl-trait/recursive-bound-eval.next.stderr rename tests/ui/type-alias-impl-trait/{issue-84660-unsoundness.stderr => issue-84660-unsoundness.current.stderr} (90%) create mode 100644 tests/ui/type-alias-impl-trait/issue-84660-unsoundness.next.stderr rename tests/ui/type-alias-impl-trait/{nested-tait-inference.stderr => nested-tait-inference.current.stderr} (90%) rename tests/ui/type-alias-impl-trait/{nested-tait-inference2.stderr => nested-tait-inference2.current.stderr} (91%) create mode 100644 tests/ui/type-alias-impl-trait/nested-tait-inference2.next.stderr diff --git a/tests/ui/impl-trait/recursive-bound-eval.next.stderr b/tests/ui/impl-trait/recursive-bound-eval.next.stderr new file mode 100644 index 000000000000..4bab290d71c3 --- /dev/null +++ b/tests/ui/impl-trait/recursive-bound-eval.next.stderr @@ -0,0 +1,9 @@ +error[E0282]: type annotations needed + --> $DIR/recursive-bound-eval.rs:20:13 + | +LL | move || recursive_fn().parse() + | ^^^^^^^^^^^^^^ cannot infer type + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0282`. diff --git a/tests/ui/impl-trait/recursive-bound-eval.rs b/tests/ui/impl-trait/recursive-bound-eval.rs index 591553e7cebb..7859c8983fc8 100644 --- a/tests/ui/impl-trait/recursive-bound-eval.rs +++ b/tests/ui/impl-trait/recursive-bound-eval.rs @@ -1,7 +1,10 @@ //! Test that we can evaluate nested obligations when invoking methods on recursive calls on //! an RPIT. -//@ check-pass +//@revisions: next current +//@[next] compile-flags: -Znext-solver + +//@[current] check-pass pub trait Parser { fn parse(&self) -> E; @@ -15,6 +18,7 @@ impl E> Parser for T { pub fn recursive_fn() -> impl Parser { move || recursive_fn().parse() + //[next]~^ ERROR: type annotations needed } fn main() {} diff --git a/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.stderr b/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.current.stderr similarity index 90% rename from tests/ui/type-alias-impl-trait/issue-84660-unsoundness.stderr rename to tests/ui/type-alias-impl-trait/issue-84660-unsoundness.current.stderr index 461da20f37b6..a7ff097e8bf3 100644 --- a/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.stderr +++ b/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.current.stderr @@ -1,5 +1,5 @@ error[E0119]: conflicting implementations of trait `Trait` - --> $DIR/issue-84660-unsoundness.rs:23:1 + --> $DIR/issue-84660-unsoundness.rs:28:1 | LL | impl Trait for Out { | ------------------------------------ first implementation here diff --git a/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.next.stderr b/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.next.stderr new file mode 100644 index 000000000000..607f0b062abd --- /dev/null +++ b/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.next.stderr @@ -0,0 +1,23 @@ +error[E0284]: type annotations needed: cannot satisfy `>::Out == ()` + --> $DIR/issue-84660-unsoundness.rs:22:37 + | +LL | fn convert(_i: In) -> Self::Out { + | _____________________________________^ +LL | | +LL | | unreachable!(); +LL | | } + | |_____^ cannot satisfy `>::Out == ()` + +error[E0119]: conflicting implementations of trait `Trait` + --> $DIR/issue-84660-unsoundness.rs:28:1 + | +LL | impl Trait for Out { + | ------------------------------------ first implementation here +... +LL | impl Trait<(), In> for Out { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation + +error: aborting due to 2 previous errors + +Some errors have detailed explanations: E0119, E0284. +For more information about an error, try `rustc --explain E0119`. diff --git a/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.rs b/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.rs index 48d4b0c96ff0..fd1f3c6353c6 100644 --- a/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.rs +++ b/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.rs @@ -1,6 +1,10 @@ // Another example from issue #84660, this time weaponized as a safe transmute: an opaque type in an // impl header being accepted was used to create unsoundness. +//@ revisions: current next +//@ ignore-compare-mode-next-solver (explicit revisions) +//@[next] compile-flags: -Znext-solver + #![feature(type_alias_impl_trait)] trait Foo {} @@ -16,11 +20,13 @@ trait Trait { impl Trait for Out { type Out = Out; fn convert(_i: In) -> Self::Out { + //[next]~^ ERROR: cannot satisfy `>::Out == ()` unreachable!(); } } -impl Trait<(), In> for Out { //~ ERROR conflicting implementations of trait `Trait` +impl Trait<(), In> for Out { + //~^ ERROR conflicting implementations of trait `Trait` type Out = In; fn convert(i: In) -> Self::Out { i diff --git a/tests/ui/type-alias-impl-trait/nested-tait-inference.stderr b/tests/ui/type-alias-impl-trait/nested-tait-inference.current.stderr similarity index 90% rename from tests/ui/type-alias-impl-trait/nested-tait-inference.stderr rename to tests/ui/type-alias-impl-trait/nested-tait-inference.current.stderr index 172ecded7a2f..34532afcbbae 100644 --- a/tests/ui/type-alias-impl-trait/nested-tait-inference.stderr +++ b/tests/ui/type-alias-impl-trait/nested-tait-inference.current.stderr @@ -1,5 +1,5 @@ error[E0277]: the trait bound `(): Foo` is not satisfied - --> $DIR/nested-tait-inference.rs:12:13 + --> $DIR/nested-tait-inference.rs:17:13 | LL | fn foo() -> impl Foo { | ^^^^^^^^^^^^^^ the trait `Foo` is not implemented for `()` diff --git a/tests/ui/type-alias-impl-trait/nested-tait-inference.rs b/tests/ui/type-alias-impl-trait/nested-tait-inference.rs index 82248971692c..50d51c7faf91 100644 --- a/tests/ui/type-alias-impl-trait/nested-tait-inference.rs +++ b/tests/ui/type-alias-impl-trait/nested-tait-inference.rs @@ -1,18 +1,23 @@ #![feature(type_alias_impl_trait)] #![allow(dead_code)] +//@ revisions: current next +//@ ignore-compare-mode-next-solver (explicit revisions) +//@[next] compile-flags: -Znext-solver +//@[next] check-pass + use std::fmt::Debug; type FooX = impl Debug; -trait Foo { } +trait Foo {} -impl Foo<()> for () { } +impl Foo<()> for () {} fn foo() -> impl Foo { - //~^ ERROR: the trait bound `(): Foo` is not satisfied + //[current]~^ ERROR: the trait bound `(): Foo` is not satisfied // FIXME(type-alias-impl-trait): We could probably make this work. () } -fn main() { } +fn main() {} diff --git a/tests/ui/type-alias-impl-trait/nested-tait-inference2.stderr b/tests/ui/type-alias-impl-trait/nested-tait-inference2.current.stderr similarity index 91% rename from tests/ui/type-alias-impl-trait/nested-tait-inference2.stderr rename to tests/ui/type-alias-impl-trait/nested-tait-inference2.current.stderr index 241342b05096..614bc09872f8 100644 --- a/tests/ui/type-alias-impl-trait/nested-tait-inference2.stderr +++ b/tests/ui/type-alias-impl-trait/nested-tait-inference2.current.stderr @@ -1,5 +1,5 @@ error[E0277]: the trait bound `(): Foo` is not satisfied - --> $DIR/nested-tait-inference2.rs:13:13 + --> $DIR/nested-tait-inference2.rs:17:13 | LL | fn foo() -> impl Foo { | ^^^^^^^^^^^^^^ the trait `Foo` is not implemented for `()` diff --git a/tests/ui/type-alias-impl-trait/nested-tait-inference2.next.stderr b/tests/ui/type-alias-impl-trait/nested-tait-inference2.next.stderr new file mode 100644 index 000000000000..9647d9e376eb --- /dev/null +++ b/tests/ui/type-alias-impl-trait/nested-tait-inference2.next.stderr @@ -0,0 +1,9 @@ +error[E0284]: type annotations needed: cannot satisfy `impl Foo == ()` + --> $DIR/nested-tait-inference2.rs:19:5 + | +LL | () + | ^^ cannot satisfy `impl Foo == ()` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0284`. diff --git a/tests/ui/type-alias-impl-trait/nested-tait-inference2.rs b/tests/ui/type-alias-impl-trait/nested-tait-inference2.rs index 0d7f5bad25f1..28d72b0cbeed 100644 --- a/tests/ui/type-alias-impl-trait/nested-tait-inference2.rs +++ b/tests/ui/type-alias-impl-trait/nested-tait-inference2.rs @@ -1,6 +1,10 @@ #![feature(type_alias_impl_trait)] #![allow(dead_code)] +//@ revisions: current next +//@ ignore-compare-mode-next-solver (explicit revisions) +//@[next] compile-flags: -Znext-solver + use std::fmt::Debug; type FooX = impl Debug; @@ -11,8 +15,9 @@ impl Foo<()> for () {} impl Foo for () {} fn foo() -> impl Foo { - //~^ ERROR: the trait bound `(): Foo` is not satisfied + //[current]~^ ERROR: the trait bound `(): Foo` is not satisfied () + //[next]~^ ERROR: cannot satisfy `impl Foo == ()` } fn main() {} From 7255c2825df1b6497dea1d689173a62ea872244f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E8=AE=B8=E6=9D=B0=E5=8F=8B=20Jieyou=20Xu=20=28Joe=29?= Date: Sun, 9 Jun 2024 14:13:38 +0000 Subject: [PATCH 1304/1716] run-make-support: remove `env_var` This is incorrectly named (it's actually `env_clear`), and is itself a gigantic footgun: removing `TMPDIR` on Unix and `TMP`/`TEMP` on Windows basically wrecks anything that relies on `std::env::temp_dir` from functioning correctly. For example, this includes rustc's codegen. --- src/tools/run-make-support/src/lib.rs | 6 ------ 1 file changed, 6 deletions(-) diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index cea1313e29d7..93e41b593d12 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -364,12 +364,6 @@ macro_rules! impl_common_helpers { self } - /// Clear all environmental variables. - pub fn env_var(&mut self) -> &mut Self { - self.cmd.env_clear(); - self - } - /// Generic command argument provider. Prefer specific helper methods if possible. /// Note that for some executables, arguments might be platform specific. For C/C++ /// compilers, arguments might be platform *and* compiler specific. From a3feeb3afe075898e4112baa90d948ef57ce4401 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E8=AE=B8=E6=9D=B0=E5=8F=8B=20Jieyou=20Xu=20=28Joe=29?= Date: Sun, 9 Jun 2024 14:13:01 +0000 Subject: [PATCH 1305/1716] run-make-support: add drop bomb module --- .../run-make-support/src/drop_bomb/mod.rs | 50 +++++++++++++++++++ .../run-make-support/src/drop_bomb/tests.rs | 15 ++++++ src/tools/run-make-support/src/lib.rs | 1 + 3 files changed, 66 insertions(+) create mode 100644 src/tools/run-make-support/src/drop_bomb/mod.rs create mode 100644 src/tools/run-make-support/src/drop_bomb/tests.rs diff --git a/src/tools/run-make-support/src/drop_bomb/mod.rs b/src/tools/run-make-support/src/drop_bomb/mod.rs new file mode 100644 index 000000000000..2fc84892c1bd --- /dev/null +++ b/src/tools/run-make-support/src/drop_bomb/mod.rs @@ -0,0 +1,50 @@ +//! This module implements "drop bombs" intended for use by command wrappers to ensure that the +//! constructed commands are *eventually* executed. This is exactly like `rustc_errors::Diag` where +//! we force every `Diag` to be consumed or we emit a bug, but we panic instead. +//! +//! This is adapted from and simplified for our +//! purposes. + +use std::ffi::{OsStr, OsString}; +use std::panic; + +#[cfg(test)] +mod tests; + +#[derive(Debug)] +pub(crate) struct DropBomb { + command: OsString, + defused: bool, + armed_line: u32, +} + +impl DropBomb { + /// Arm a [`DropBomb`]. If the value is dropped without being [`defused`][Self::defused], then + /// it will panic. It is expected that the command wrapper uses `#[track_caller]` to help + /// propagate the caller info from rmake.rs. + #[track_caller] + pub(crate) fn arm>(command: S) -> DropBomb { + DropBomb { + command: command.as_ref().into(), + defused: false, + armed_line: panic::Location::caller().line(), + } + } + + /// Defuse the [`DropBomb`]. This will prevent the drop bomb from panicking when dropped. + pub(crate) fn defuse(&mut self) { + self.defused = true; + } +} + +impl Drop for DropBomb { + fn drop(&mut self) { + if !self.defused && !std::thread::panicking() { + panic!( + "command constructed but not executed at line {}: `{}`", + self.armed_line, + self.command.to_string_lossy() + ) + } + } +} diff --git a/src/tools/run-make-support/src/drop_bomb/tests.rs b/src/tools/run-make-support/src/drop_bomb/tests.rs new file mode 100644 index 000000000000..4a488c0f6708 --- /dev/null +++ b/src/tools/run-make-support/src/drop_bomb/tests.rs @@ -0,0 +1,15 @@ +use super::DropBomb; + +#[test] +#[should_panic] +fn test_arm() { + let bomb = DropBomb::arm("hi :3"); + drop(bomb); // <- armed bomb should explode when not defused +} + +#[test] +fn test_defuse() { + let mut bomb = DropBomb::arm("hi :3"); + bomb.defuse(); + drop(bomb); // <- defused bomb should not explode +} diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index 93e41b593d12..20ad25efaf00 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -7,6 +7,7 @@ pub mod cc; pub mod clang; mod command; pub mod diff; +mod drop_bomb; pub mod llvm_readobj; pub mod run; pub mod rustc; From d6955445f53062a8af3e5a4e84dbf756a7913cbe Mon Sep 17 00:00:00 2001 From: Jubilee Young Date: Mon, 10 Jun 2024 17:55:28 -0700 Subject: [PATCH 1306/1716] Simplify `[T; N]::try_map` signature People keep making fun of this signature for being so gnarly. Associated type bounds lend it a much simpler scribbling. ChangeOutputType can also come along for the ride. --- library/core/src/array/mod.rs | 6 ++---- library/core/src/ops/try_trait.rs | 4 +++- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/library/core/src/array/mod.rs b/library/core/src/array/mod.rs index 05874ab6c4cb..2569ce237077 100644 --- a/library/core/src/array/mod.rs +++ b/library/core/src/array/mod.rs @@ -533,11 +533,9 @@ impl [T; N] { /// assert_eq!(c, Some(a)); /// ``` #[unstable(feature = "array_try_map", issue = "79711")] - pub fn try_map(self, f: F) -> ChangeOutputType + pub fn try_map(self, f: impl FnMut(T) -> R) -> ChangeOutputType where - F: FnMut(T) -> R, - R: Try, - R::Residual: Residual<[R::Output; N]>, + R: Try>, { drain_array_with(self, |iter| try_from_trusted_iterator(iter.map(f))) } diff --git a/library/core/src/ops/try_trait.rs b/library/core/src/ops/try_trait.rs index 483f55b20709..cd444c86ed06 100644 --- a/library/core/src/ops/try_trait.rs +++ b/library/core/src/ops/try_trait.rs @@ -363,7 +363,9 @@ pub trait Residual { } #[unstable(feature = "pub_crate_should_not_need_unstable_attr", issue = "none")] -pub(crate) type ChangeOutputType = <::Residual as Residual>::TryType; +#[allow(type_alias_bounds)] +pub(crate) type ChangeOutputType>, V> = + >::TryType; /// An adapter for implementing non-try methods via the `Try` implementation. /// From 54e704437b3968c3cb14bf8ceb08ca34610425ae Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E8=AE=B8=E6=9D=B0=E5=8F=8B=20Jieyou=20Xu=20=28Joe=29?= Date: Sun, 9 Jun 2024 14:21:04 +0000 Subject: [PATCH 1307/1716] run-make-support: arm command with drop bombs - Update all command wrappers and command construction helpers with `#[track_caller]` where suitable to help the drop bomb panic message. - Remove `Deref`/`DerefMut` for `Command` because it was causing issues with resolving to `std::process::Command` in a method call chain. --- src/tools/run-make-support/src/cc.rs | 7 +- src/tools/run-make-support/src/clang.rs | 2 + src/tools/run-make-support/src/command.rs | 115 +++++++++++++----- src/tools/run-make-support/src/diff/mod.rs | 10 +- src/tools/run-make-support/src/lib.rs | 25 ++-- .../run-make-support/src/llvm_readobj.rs | 2 + src/tools/run-make-support/src/run.rs | 30 ++--- src/tools/run-make-support/src/rustc.rs | 5 + src/tools/run-make-support/src/rustdoc.rs | 5 + 9 files changed, 137 insertions(+), 64 deletions(-) diff --git a/src/tools/run-make-support/src/cc.rs b/src/tools/run-make-support/src/cc.rs index 5c0158d75470..8694740cfc30 100644 --- a/src/tools/run-make-support/src/cc.rs +++ b/src/tools/run-make-support/src/cc.rs @@ -7,6 +7,7 @@ use crate::{bin_name, cygpath_windows, env_var, is_msvc, is_windows, uname}; /// /// WARNING: This means that what flags are accepted by the underlying C compiler is /// platform- AND compiler-specific. Consult the relevant docs for `gcc`, `clang` and `mvsc`. +#[track_caller] pub fn cc() -> Cc { Cc::new() } @@ -25,6 +26,7 @@ impl Cc { /// /// WARNING: This means that what flags are accepted by the underlying C compile is /// platform- AND compiler-specific. Consult the relevant docs for `gcc`, `clang` and `mvsc`. + #[track_caller] pub fn new() -> Self { let compiler = env_var("CC"); @@ -84,11 +86,6 @@ impl Cc { self.cmd.arg(path.as_ref()); self } - - /// Get the [`Output`][::std::process::Output] of the finished process. - pub fn command_output(&mut self) -> ::std::process::Output { - self.cmd.output().expect("failed to get output of finished process") - } } /// `EXTRACFLAGS` diff --git a/src/tools/run-make-support/src/clang.rs b/src/tools/run-make-support/src/clang.rs index d2ebed7ab067..a31004659c17 100644 --- a/src/tools/run-make-support/src/clang.rs +++ b/src/tools/run-make-support/src/clang.rs @@ -4,6 +4,7 @@ use crate::command::Command; use crate::{bin_name, env_var}; /// Construct a new `clang` invocation. `clang` is not always available for all targets. +#[track_caller] pub fn clang() -> Clang { Clang::new() } @@ -18,6 +19,7 @@ crate::impl_common_helpers!(Clang); impl Clang { /// Construct a new `clang` invocation. `clang` is not always available for all targets. + #[track_caller] pub fn new() -> Self { let clang = env_var("CLANG"); let cmd = Command::new(clang); diff --git a/src/tools/run-make-support/src/command.rs b/src/tools/run-make-support/src/command.rs index b9e56ab632ad..f427e50906fa 100644 --- a/src/tools/run-make-support/src/command.rs +++ b/src/tools/run-make-support/src/command.rs @@ -1,36 +1,107 @@ -use crate::{assert_not_contains, handle_failed_output}; +use std::ffi; use std::ffi::OsStr; use std::io::Write; -use std::ops::{Deref, DerefMut}; +use std::panic; +use std::path::Path; use std::process::{Command as StdCommand, ExitStatus, Output, Stdio}; -/// This is a custom command wrapper that simplifies working with commands -/// and makes it easier to ensure that we check the exit status of executed -/// processes. +use crate::drop_bomb::DropBomb; +use crate::{assert_not_contains, handle_failed_output}; + +/// This is a custom command wrapper that simplifies working with commands and makes it easier to +/// ensure that we check the exit status of executed processes. +/// +/// # A [`Command`] must be executed +/// +/// A [`Command`] is armed by a [`DropBomb`] on construction to enforce that it will be executed. If +/// a [`Command`] is constructed but never executed, the drop bomb will explode and cause the test +/// to panic. Execution methods [`run`] and [`run_fail`] will defuse the drop bomb. A test +/// containing constructed but never executed commands is dangerous because it can give a false +/// sense of confidence. +/// +/// [`run`]: Self::run +/// [`run_fail`]: Self::run_fail #[derive(Debug)] pub struct Command { cmd: StdCommand, stdin: Option>, + drop_bomb: DropBomb, } impl Command { - pub fn new>(program: S) -> Self { - Self { cmd: StdCommand::new(program), stdin: None } + #[track_caller] + pub fn new>(program: P) -> Self { + let program = program.as_ref(); + Self { cmd: StdCommand::new(program), stdin: None, drop_bomb: DropBomb::arm(program) } } pub fn set_stdin(&mut self, stdin: Box<[u8]>) { self.stdin = Some(stdin); } + /// Specify an environment variable. + pub fn env(&mut self, key: K, value: V) -> &mut Self + where + K: AsRef, + V: AsRef, + { + self.cmd.env(key, value); + self + } + + /// Remove an environmental variable. + pub fn env_remove(&mut self, key: K) -> &mut Self + where + K: AsRef, + { + self.cmd.env_remove(key); + self + } + + /// Generic command argument provider. Prefer specific helper methods if possible. + /// Note that for some executables, arguments might be platform specific. For C/C++ + /// compilers, arguments might be platform *and* compiler specific. + pub fn arg(&mut self, arg: S) -> &mut Self + where + S: AsRef, + { + self.cmd.arg(arg); + self + } + + /// Generic command arguments provider. Prefer specific helper methods if possible. + /// Note that for some executables, arguments might be platform specific. For C/C++ + /// compilers, arguments might be platform *and* compiler specific. + pub fn args(&mut self, args: &[S]) -> &mut Self + where + S: AsRef, + { + self.cmd.args(args); + self + } + + /// Inspect what the underlying [`std::process::Command`] is up to the + /// current construction. + pub fn inspect(&mut self, inspector: I) -> &mut Self + where + I: FnOnce(&StdCommand), + { + inspector(&self.cmd); + self + } + + /// Set the path where the command will be run. + pub fn current_dir>(&mut self, path: P) -> &mut Self { + self.cmd.current_dir(path); + self + } + /// Run the constructed command and assert that it is successfully run. #[track_caller] pub fn run(&mut self) -> CompletedProcess { - let caller_location = std::panic::Location::caller(); - let caller_line_number = caller_location.line(); - let output = self.command_output(); if !output.status().success() { - handle_failed_output(&self, output, caller_line_number); + handle_failed_output(&self, output, panic::Location::caller().line()); } output } @@ -38,18 +109,16 @@ impl Command { /// Run the constructed command and assert that it does not successfully run. #[track_caller] pub fn run_fail(&mut self) -> CompletedProcess { - let caller_location = std::panic::Location::caller(); - let caller_line_number = caller_location.line(); - let output = self.command_output(); if output.status().success() { - handle_failed_output(&self, output, caller_line_number); + handle_failed_output(&self, output, panic::Location::caller().line()); } output } #[track_caller] - pub(crate) fn command_output(&mut self) -> CompletedProcess { + fn command_output(&mut self) -> CompletedProcess { + self.drop_bomb.defuse(); // let's make sure we piped all the input and outputs self.cmd.stdin(Stdio::piped()); self.cmd.stdout(Stdio::piped()); @@ -71,20 +140,6 @@ impl Command { } } -impl Deref for Command { - type Target = StdCommand; - - fn deref(&self) -> &Self::Target { - &self.cmd - } -} - -impl DerefMut for Command { - fn deref_mut(&mut self) -> &mut Self::Target { - &mut self.cmd - } -} - /// Represents the result of an executed process. /// The various `assert_` helper methods should preferably be used for /// checking the contents of stdout/stderr. diff --git a/src/tools/run-make-support/src/diff/mod.rs b/src/tools/run-make-support/src/diff/mod.rs index d864ddf4eb17..0fb6fec9d58c 100644 --- a/src/tools/run-make-support/src/diff/mod.rs +++ b/src/tools/run-make-support/src/diff/mod.rs @@ -2,9 +2,12 @@ use regex::Regex; use similar::TextDiff; use std::path::Path; +use crate::drop_bomb::DropBomb; + #[cfg(test)] mod tests; +#[track_caller] pub fn diff() -> Diff { Diff::new() } @@ -16,10 +19,12 @@ pub struct Diff { actual: Option, actual_name: Option, normalizers: Vec<(String, String)>, + drop_bomb: DropBomb, } impl Diff { /// Construct a bare `diff` invocation. + #[track_caller] pub fn new() -> Self { Self { expected: None, @@ -27,6 +32,7 @@ impl Diff { actual: None, actual_name: None, normalizers: Vec::new(), + drop_bomb: DropBomb::arm("diff"), } } @@ -79,9 +85,9 @@ impl Diff { self } - /// Executes the diff process, prints any differences to the standard error. #[track_caller] - pub fn run(&self) { + pub fn run(&mut self) { + self.drop_bomb.defuse(); let expected = self.expected.as_ref().expect("expected text not set"); let mut actual = self.actual.as_ref().expect("actual text not set").to_string(); let expected_name = self.expected_name.as_ref().unwrap(); diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index 20ad25efaf00..bf74d94f9118 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -17,6 +17,7 @@ use std::env; use std::ffi::OsString; use std::fs; use std::io; +use std::panic; use std::path::{Path, PathBuf}; pub use gimli; @@ -32,6 +33,7 @@ pub use run::{cmd, run, run_fail}; pub use rustc::{aux_build, rustc, Rustc}; pub use rustdoc::{bare_rustdoc, rustdoc, Rustdoc}; +#[track_caller] pub fn env_var(name: &str) -> String { match env::var(name) { Ok(v) => v, @@ -39,6 +41,7 @@ pub fn env_var(name: &str) -> String { } } +#[track_caller] pub fn env_var_os(name: &str) -> OsString { match env::var_os(name) { Some(v) => v, @@ -66,11 +69,13 @@ pub fn is_darwin() -> bool { target().contains("darwin") } +#[track_caller] pub fn python_command() -> Command { let python_path = env_var("PYTHON"); Command::new(python_path) } +#[track_caller] pub fn htmldocck() -> Command { let mut python = python_command(); python.arg(source_root().join("src/etc/htmldocck.py")); @@ -162,15 +167,13 @@ pub fn cwd() -> PathBuf { /// available on the platform! #[track_caller] pub fn cygpath_windows>(path: P) -> String { - let caller_location = std::panic::Location::caller(); - let caller_line_number = caller_location.line(); - + let caller = panic::Location::caller(); let mut cygpath = Command::new("cygpath"); cygpath.arg("-w"); cygpath.arg(path.as_ref()); - let output = cygpath.command_output(); + let output = cygpath.run(); if !output.status().success() { - handle_failed_output(&cygpath, output, caller_line_number); + handle_failed_output(&cygpath, output, caller.line()); } // cygpath -w can attach a newline output.stdout_utf8().trim().to_string() @@ -179,13 +182,11 @@ pub fn cygpath_windows>(path: P) -> String { /// Run `uname`. This assumes that `uname` is available on the platform! #[track_caller] pub fn uname() -> String { - let caller_location = std::panic::Location::caller(); - let caller_line_number = caller_location.line(); - + let caller = panic::Location::caller(); let mut uname = Command::new("uname"); - let output = uname.command_output(); + let output = uname.run(); if !output.status().success() { - handle_failed_output(&uname, output, caller_line_number); + handle_failed_output(&uname, output, caller.line()); } output.stdout_utf8() } @@ -393,7 +394,7 @@ macro_rules! impl_common_helpers { where I: FnOnce(&::std::process::Command), { - inspector(&self.cmd); + self.cmd.inspect(inspector); self } @@ -410,7 +411,7 @@ macro_rules! impl_common_helpers { } /// Set the path where the command will be run. - pub fn current_dir>(&mut self, path: P) -> &mut Self { + pub fn current_dir>(&mut self, path: P) -> &mut Self { self.cmd.current_dir(path); self } diff --git a/src/tools/run-make-support/src/llvm_readobj.rs b/src/tools/run-make-support/src/llvm_readobj.rs index db2f9db6e41f..57ddfc205e66 100644 --- a/src/tools/run-make-support/src/llvm_readobj.rs +++ b/src/tools/run-make-support/src/llvm_readobj.rs @@ -5,6 +5,7 @@ use crate::env_var; /// Construct a new `llvm-readobj` invocation. This assumes that `llvm-readobj` is available /// at `$LLVM_BIN_DIR/llvm-readobj`. +#[track_caller] pub fn llvm_readobj() -> LlvmReadobj { LlvmReadobj::new() } @@ -20,6 +21,7 @@ crate::impl_common_helpers!(LlvmReadobj); impl LlvmReadobj { /// Construct a new `llvm-readobj` invocation. This assumes that `llvm-readobj` is available /// at `$LLVM_BIN_DIR/llvm-readobj`. + #[track_caller] pub fn new() -> Self { let llvm_bin_dir = env_var("LLVM_BIN_DIR"); let llvm_bin_dir = PathBuf::from(llvm_bin_dir); diff --git a/src/tools/run-make-support/src/run.rs b/src/tools/run-make-support/src/run.rs index 4a6fd7c432e5..6fa1a75363c9 100644 --- a/src/tools/run-make-support/src/run.rs +++ b/src/tools/run-make-support/src/run.rs @@ -1,5 +1,6 @@ use std::env; use std::ffi::OsStr; +use std::panic; use std::path::{Path, PathBuf}; use crate::command::{Command, CompletedProcess}; @@ -7,7 +8,8 @@ use crate::{cwd, env_var, is_windows, set_host_rpath}; use super::handle_failed_output; -fn run_common(name: &str) -> (Command, CompletedProcess) { +#[track_caller] +fn run_common(name: &str) -> Command { let mut bin_path = PathBuf::new(); bin_path.push(cwd()); bin_path.push(name); @@ -34,19 +36,17 @@ fn run_common(name: &str) -> (Command, CompletedProcess) { cmd.env("PATH", env::join_paths(paths.iter()).unwrap()); } - let output = cmd.command_output(); - (cmd, output) + cmd } /// Run a built binary and make sure it succeeds. #[track_caller] pub fn run(name: &str) -> CompletedProcess { - let caller_location = std::panic::Location::caller(); - let caller_line_number = caller_location.line(); - - let (cmd, output) = run_common(name); + let caller = panic::Location::caller(); + let mut cmd = run_common(name); + let output = cmd.run(); if !output.status().success() { - handle_failed_output(&cmd, output, caller_line_number); + handle_failed_output(&cmd, output, caller.line()); } output } @@ -54,18 +54,18 @@ pub fn run(name: &str) -> CompletedProcess { /// Run a built binary and make sure it fails. #[track_caller] pub fn run_fail(name: &str) -> CompletedProcess { - let caller_location = std::panic::Location::caller(); - let caller_line_number = caller_location.line(); - - let (cmd, output) = run_common(name); + let caller = panic::Location::caller(); + let mut cmd = run_common(name); + let output = cmd.run_fail(); if output.status().success() { - handle_failed_output(&cmd, output, caller_line_number); + handle_failed_output(&cmd, output, caller.line()); } output } -/// Create a new custom Command. -/// This should be preferred to creating `std::process::Command` directly. +/// Create a new custom [`Command`]. This should be preferred to creating [`std::process::Command`] +/// directly. +#[track_caller] pub fn cmd>(program: S) -> Command { let mut command = Command::new(program); set_host_rpath(&mut command); diff --git a/src/tools/run-make-support/src/rustc.rs b/src/tools/run-make-support/src/rustc.rs index 5ea231442bc2..32fa5018d800 100644 --- a/src/tools/run-make-support/src/rustc.rs +++ b/src/tools/run-make-support/src/rustc.rs @@ -5,11 +5,13 @@ use std::path::Path; use crate::{command, cwd, env_var, set_host_rpath}; /// Construct a new `rustc` invocation. +#[track_caller] pub fn rustc() -> Rustc { Rustc::new() } /// Construct a new `rustc` aux-build invocation. +#[track_caller] pub fn aux_build() -> Rustc { Rustc::new_aux_build() } @@ -22,6 +24,7 @@ pub struct Rustc { crate::impl_common_helpers!(Rustc); +#[track_caller] fn setup_common() -> Command { let rustc = env_var("RUSTC"); let mut cmd = Command::new(rustc); @@ -34,12 +37,14 @@ impl Rustc { // `rustc` invocation constructor methods /// Construct a new `rustc` invocation. + #[track_caller] pub fn new() -> Self { let cmd = setup_common(); Self { cmd } } /// Construct a new `rustc` invocation with `aux_build` preset (setting `--crate-type=lib`). + #[track_caller] pub fn new_aux_build() -> Self { let mut cmd = setup_common(); cmd.arg("--crate-type=lib"); diff --git a/src/tools/run-make-support/src/rustdoc.rs b/src/tools/run-make-support/src/rustdoc.rs index 39a698a47b43..332906f739a9 100644 --- a/src/tools/run-make-support/src/rustdoc.rs +++ b/src/tools/run-make-support/src/rustdoc.rs @@ -5,11 +5,13 @@ use crate::command::Command; use crate::{env_var, env_var_os, set_host_rpath}; /// Construct a plain `rustdoc` invocation with no flags set. +#[track_caller] pub fn bare_rustdoc() -> Rustdoc { Rustdoc::bare() } /// Construct a new `rustdoc` invocation with `-L $(TARGET_RPATH_DIR)` set. +#[track_caller] pub fn rustdoc() -> Rustdoc { Rustdoc::new() } @@ -21,6 +23,7 @@ pub struct Rustdoc { crate::impl_common_helpers!(Rustdoc); +#[track_caller] fn setup_common() -> Command { let rustdoc = env_var("RUSTDOC"); let mut cmd = Command::new(rustdoc); @@ -30,12 +33,14 @@ fn setup_common() -> Command { impl Rustdoc { /// Construct a bare `rustdoc` invocation. + #[track_caller] pub fn bare() -> Self { let cmd = setup_common(); Self { cmd } } /// Construct a `rustdoc` invocation with `-L $(TARGET_RPATH_DIR)` set. + #[track_caller] pub fn new() -> Self { let mut cmd = setup_common(); let target_rpath_dir = env_var_os("TARGET_RPATH_DIR"); From ca95f783c1cb84ea5739681ba284eccbb41ebf6b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E8=AE=B8=E6=9D=B0=E5=8F=8B=20Jieyou=20Xu=20=28Joe=29?= Date: Sun, 9 Jun 2024 15:45:57 +0000 Subject: [PATCH 1308/1716] tests/run-make: update tests to use new API --- tests/run-make/compiler-builtins/rmake.rs | 2 +- tests/run-make/rustdoc-map-file/rmake.rs | 2 +- tests/run-make/rustdoc-scrape-examples-macros/rmake.rs | 2 +- tests/run-make/rustdoc-scrape-examples-remap/scrape.rs | 2 +- tests/run-make/rustdoc-themes/rmake.rs | 2 +- tests/run-make/rustdoc-with-out-dir-option/rmake.rs | 2 +- tests/run-make/rustdoc-with-output-option/rmake.rs | 2 +- tests/run-make/rustdoc-with-short-out-dir-option/rmake.rs | 2 +- 8 files changed, 8 insertions(+), 8 deletions(-) diff --git a/tests/run-make/compiler-builtins/rmake.rs b/tests/run-make/compiler-builtins/rmake.rs index a2c0ad5f6def..a102e5b33900 100644 --- a/tests/run-make/compiler-builtins/rmake.rs +++ b/tests/run-make/compiler-builtins/rmake.rs @@ -35,7 +35,7 @@ fn main() { let rustc = env_var("RUSTC"); let bootstrap_cargo = env_var("BOOTSTRAP_CARGO"); let mut cmd = cmd(bootstrap_cargo); - cmd.args([ + cmd.args(&[ "build", "--manifest-path", manifest_path.to_str().unwrap(), diff --git a/tests/run-make/rustdoc-map-file/rmake.rs b/tests/run-make/rustdoc-map-file/rmake.rs index de75561c9fb3..08f9595ef9f6 100644 --- a/tests/run-make/rustdoc-map-file/rmake.rs +++ b/tests/run-make/rustdoc-map-file/rmake.rs @@ -9,5 +9,5 @@ fn main() { .output(&out_dir) .run(); // FIXME (GuillaumeGomez): Port the python script to Rust as well. - assert!(python_command().arg("validate_json.py").arg(&out_dir).status().unwrap().success()); + python_command().arg("validate_json.py").arg(&out_dir).run(); } diff --git a/tests/run-make/rustdoc-scrape-examples-macros/rmake.rs b/tests/run-make/rustdoc-scrape-examples-macros/rmake.rs index c9650def347d..bfe4a1df4569 100644 --- a/tests/run-make/rustdoc-scrape-examples-macros/rmake.rs +++ b/tests/run-make/rustdoc-scrape-examples-macros/rmake.rs @@ -56,5 +56,5 @@ fn main() { .arg(&ex_dir) .run(); - assert!(htmldocck().arg(out_dir).arg("src/lib.rs").status().unwrap().success()); + htmldocck().arg(out_dir).arg("src/lib.rs").run(); } diff --git a/tests/run-make/rustdoc-scrape-examples-remap/scrape.rs b/tests/run-make/rustdoc-scrape-examples-remap/scrape.rs index 41efb837458f..6bf48a94a499 100644 --- a/tests/run-make/rustdoc-scrape-examples-remap/scrape.rs +++ b/tests/run-make/rustdoc-scrape-examples-remap/scrape.rs @@ -45,5 +45,5 @@ pub fn scrape(extra_args: &[&str]) { } rustdoc.run(); - assert!(htmldocck().arg(out_dir).arg("src/lib.rs").status().unwrap().success()); + htmldocck().arg(out_dir).arg("src/lib.rs").run(); } diff --git a/tests/run-make/rustdoc-themes/rmake.rs b/tests/run-make/rustdoc-themes/rmake.rs index c28821b7628d..bfda2d978884 100644 --- a/tests/run-make/rustdoc-themes/rmake.rs +++ b/tests/run-make/rustdoc-themes/rmake.rs @@ -28,5 +28,5 @@ fn main() { std::fs::write(&test_css, test_content).unwrap(); rustdoc().output(&out_dir).input("foo.rs").arg("--theme").arg(&test_css).run(); - assert!(htmldocck().arg(out_dir).arg("foo.rs").status().unwrap().success()); + htmldocck().arg(out_dir).arg("foo.rs").run(); } diff --git a/tests/run-make/rustdoc-with-out-dir-option/rmake.rs b/tests/run-make/rustdoc-with-out-dir-option/rmake.rs index 405da8412ae2..ded89c9ae791 100644 --- a/tests/run-make/rustdoc-with-out-dir-option/rmake.rs +++ b/tests/run-make/rustdoc-with-out-dir-option/rmake.rs @@ -3,5 +3,5 @@ use run_make_support::{htmldocck, rustdoc}; fn main() { let out_dir = "rustdoc"; rustdoc().input("src/lib.rs").crate_name("foobar").crate_type("lib").output(&out_dir).run(); - assert!(htmldocck().arg(out_dir).arg("src/lib.rs").status().unwrap().success()); + htmldocck().arg(out_dir).arg("src/lib.rs").run(); } diff --git a/tests/run-make/rustdoc-with-output-option/rmake.rs b/tests/run-make/rustdoc-with-output-option/rmake.rs index a3b1c8ca0dd4..f7fbbec6986c 100644 --- a/tests/run-make/rustdoc-with-output-option/rmake.rs +++ b/tests/run-make/rustdoc-with-output-option/rmake.rs @@ -12,5 +12,5 @@ fn main() { .arg(&out_dir) .run(); - assert!(htmldocck().arg(out_dir).arg("src/lib.rs").status().unwrap().success()); + htmldocck().arg(out_dir).arg("src/lib.rs").run(); } diff --git a/tests/run-make/rustdoc-with-short-out-dir-option/rmake.rs b/tests/run-make/rustdoc-with-short-out-dir-option/rmake.rs index b536fbe23039..4a8896cc975b 100644 --- a/tests/run-make/rustdoc-with-short-out-dir-option/rmake.rs +++ b/tests/run-make/rustdoc-with-short-out-dir-option/rmake.rs @@ -12,5 +12,5 @@ fn main() { .arg(&out_dir) .run(); - assert!(htmldocck().arg(out_dir).arg("src/lib.rs").status().unwrap().success()); + htmldocck().arg(out_dir).arg("src/lib.rs").run(); } From d308a70890b66a6e81bfc46286caed915a34c8f5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E8=AE=B8=E6=9D=B0=E5=8F=8B=20Jieyou=20Xu=20=28Joe=29?= Date: Sun, 9 Jun 2024 14:10:55 +0000 Subject: [PATCH 1309/1716] run-make-support: bump version --- Cargo.lock | 2 +- src/tools/run-make-support/Cargo.toml | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/Cargo.lock b/Cargo.lock index ba8b2c270059..e5ea9fee8a6d 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -3452,7 +3452,7 @@ dependencies = [ [[package]] name = "run_make_support" -version = "0.0.0" +version = "0.1.0" dependencies = [ "gimli 0.28.1", "object 0.34.0", diff --git a/src/tools/run-make-support/Cargo.toml b/src/tools/run-make-support/Cargo.toml index cf4ae4b16cd5..5450620e7f00 100644 --- a/src/tools/run-make-support/Cargo.toml +++ b/src/tools/run-make-support/Cargo.toml @@ -1,6 +1,6 @@ [package] name = "run_make_support" -version = "0.0.0" +version = "0.1.0" edition = "2021" [dependencies] From 5ec3eef9e70551a7eef059cfc9d039f053805cab Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E8=AE=B8=E6=9D=B0=E5=8F=8B=20Jieyou=20Xu=20=28Joe=29?= Date: Sun, 9 Jun 2024 14:11:12 +0000 Subject: [PATCH 1310/1716] run-make-support: add changelog --- src/tools/run-make-support/CHANGELOG.md | 67 +++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 src/tools/run-make-support/CHANGELOG.md diff --git a/src/tools/run-make-support/CHANGELOG.md b/src/tools/run-make-support/CHANGELOG.md new file mode 100644 index 000000000000..a37de9fda80d --- /dev/null +++ b/src/tools/run-make-support/CHANGELOG.md @@ -0,0 +1,67 @@ +# Changelog + +All notable changes to the `run_make_support` library should be documented in this file. + +The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/) and the support +library should adhere to [Semantic Versioning](https://semver.org/spec/v2.0.0.html) even if it's +not intended for public consumption (it's moreso to help internally, to help test writers track +changes to the support library). + +This support library will probably never reach 1.0. Please bump the minor version in `Cargo.toml` if +you make any breaking changes or other significant changes, or bump the patch version for bug fixes. + +## [0.1.0] - 2024-06-09 + +### Changed + +- Use *drop bombs* to enforce that commands are executed; a command invocation will panic if it is + constructed but never executed. Execution methods `Command::{run, run_fail}` will defuse the drop + bomb. +- Added `Command` helpers that forward to `std::process::Command` counterparts. + +### Removed + +- The `env_var` method which was incorrectly named and is `env_clear` underneath and is a footgun + from `impl_common_helpers`. For example, removing `TMPDIR` on Unix and `TMP`/`TEMP` breaks + `std::env::temp_dir` and wrecks anything using that, such as rustc's codgen. +- Removed `Deref`/`DerefMut` for `run_make_support::Command` -> `std::process::Command` because it + causes a method chain like `htmldocck().arg().run()` to fail, because `arg()` resolves to + `std::process::Command` which also returns a `&mut std::process::Command`, causing the `run()` to + be not found. + +## [0.0.0] - 2024-06-09 + +Consider this version to contain all changes made to the support library before we started to track +changes in this changelog. + +### Added + +- Custom command wrappers around `std::process::Command` (`run_make_support::Command`) and custom + wrapper around `std::process::Output` (`CompletedProcess`) to make it more convenient to work with + commands and their output, and help avoid forgetting to check for exit status. + - `Command`: `set_stdin`, `run`, `run_fail`. + - `CompletedProcess`: `std{err,out}_utf8`, `status`, `assert_std{err,out}_{equals, contains, + not_contains}`, `assert_exit_code`. +- `impl_common_helpers` macro to avoid repeating adding common convenience methods, including: + - Environment manipulation methods: `env`, `env_remove` + - Command argument providers: `arg`, `args` + - Common invocation inspection (of the command invocation up until `inspect` is called): + `inspect` + - Execution methods: `run` (for commands expected to succeed execution, exit status `0`) and + `run_fail` (for commands expected to fail execution, exit status non-zero). +- Command wrappers around: `rustc`, `clang`, `cc`, `rustc`, `rustdoc`, `llvm-readobj`. +- Thin helpers to construct `python` and `htmldocck` commands. +- `run` and `run_fail` (like `Command::{run, run_fail}`) for running binaries, which sets suitable + env vars (like `LD_LIB_PATH` or equivalent, `TARGET_RPATH_ENV`, `PATH` on Windows). +- Pseudo command `diff` which has similar functionality as the cli util but not the same API. +- Convenience panic-on-fail helpers `env_var`, `env_var_os`, `cwd` for their `std::env` conterparts. +- Convenience panic-on-fail helpers for reading respective env vars: `target`, `source_root`. +- Platform check helpers: `is_windows`, `is_msvc`, `cygpath_windows`, `uname`. +- fs helpers: `copy_dir_all`. +- `recursive_diff` helper. +- Generic `assert_not_contains` helper. +- Scoped run-with-teardown helper `run_in_tmpdir` which is designed to run commands in a temporary + directory that is cleared when closure returns. +- Helpers for constructing the name of binaries and libraries: `rust_lib_name`, `static_lib_name`, + `bin_name`, `dynamic_lib_name`. +- Re-export libraries: `gimli`, `object`, `regex`, `wasmparsmer`. From db44cae343fa306b6b2263355dc3f9a5f5db82b4 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Tue, 11 Jun 2024 12:12:21 +0200 Subject: [PATCH 1311/1716] interpret: ensure we check bool/char for validity when they are used in a cast --- .../rustc_const_eval/src/interpret/cast.rs | 10 +++++-- .../src/interpret/intrinsics.rs | 16 +++++----- .../src/interpret/operator.rs | 29 ++++++++++--------- compiler/rustc_middle/src/ty/consts/int.rs | 15 ++++------ .../tests/fail/validity/invalid_char_cast.rs | 21 ++++++++++++++ .../fail/validity/invalid_char_cast.stderr | 20 +++++++++++++ .../tests/fail/validity/invalid_char_match.rs | 26 +++++++++++++++++ .../fail/validity/invalid_char_match.stderr | 23 +++++++++++++++ .../tests/fail/validity/invalid_enum_cast.rs | 15 ++++++++++ .../fail/validity/invalid_enum_cast.stderr | 20 +++++++++++++ 10 files changed, 159 insertions(+), 36 deletions(-) create mode 100644 src/tools/miri/tests/fail/validity/invalid_char_cast.rs create mode 100644 src/tools/miri/tests/fail/validity/invalid_char_cast.stderr create mode 100644 src/tools/miri/tests/fail/validity/invalid_char_match.rs create mode 100644 src/tools/miri/tests/fail/validity/invalid_char_match.stderr create mode 100644 src/tools/miri/tests/fail/validity/invalid_enum_cast.rs create mode 100644 src/tools/miri/tests/fail/validity/invalid_enum_cast.stderr diff --git a/compiler/rustc_const_eval/src/interpret/cast.rs b/compiler/rustc_const_eval/src/interpret/cast.rs index 19414c72c6a4..0a45bbb3edb2 100644 --- a/compiler/rustc_const_eval/src/interpret/cast.rs +++ b/compiler/rustc_const_eval/src/interpret/cast.rs @@ -274,9 +274,13 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { // Let's make sure v is sign-extended *if* it has a signed type. let signed = src_layout.abi.is_signed(); // Also asserts that abi is `Scalar`. - let v = scalar.to_bits(src_layout.size)?; - let v = if signed { self.sign_extend(v, src_layout) } else { v }; - trace!("cast_from_scalar: {}, {} -> {}", v, src_layout.ty, cast_ty); + let v = match src_layout.ty.kind() { + Uint(_) | RawPtr(..) | FnPtr(..) => scalar.to_uint(src_layout.size)?, + Int(_) => scalar.to_int(src_layout.size)? as u128, // we will cast back to `i128` below if the sign matters + Bool => scalar.to_bool()?.into(), + Char => scalar.to_char()?.into(), + _ => span_bug!(self.cur_span(), "invalid int-like cast from {}", src_layout.ty), + }; Ok(match *cast_ty.kind() { // int -> int diff --git a/compiler/rustc_const_eval/src/interpret/intrinsics.rs b/compiler/rustc_const_eval/src/interpret/intrinsics.rs index dac5c10addc2..7f16d441606e 100644 --- a/compiler/rustc_const_eval/src/interpret/intrinsics.rs +++ b/compiler/rustc_const_eval/src/interpret/intrinsics.rs @@ -197,7 +197,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { // rotate_right: (X << ((BW - S) % BW)) | (X >> (S % BW)) let layout_val = self.layout_of(instance_args.type_at(0))?; let val = self.read_scalar(&args[0])?; - let val_bits = val.to_bits(layout_val.size)?; + let val_bits = val.to_bits(layout_val.size)?; // sign is ignored here let layout_raw_shift = self.layout_of(self.tcx.types.u32)?; let raw_shift = self.read_scalar(&args[1])?; @@ -484,7 +484,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { ret_layout: TyAndLayout<'tcx>, ) -> InterpResult<'tcx, Scalar> { assert!(layout.ty.is_integral(), "invalid type for numeric intrinsic: {}", layout.ty); - let bits = val.to_bits(layout.size)?; + let bits = val.to_bits(layout.size)?; // these operations all ignore the sign let extra = 128 - u128::from(layout.size.bits()); let bits_out = match name { sym::ctpop => u128::from(bits.count_ones()), @@ -519,6 +519,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { // `x % y != 0` or `y == 0` or `x == T::MIN && y == -1`. // First, check x % y != 0 (or if that computation overflows). let rem = self.binary_op(BinOp::Rem, a, b)?; + // sign does not matter for 0 test, so `to_bits` is fine if rem.to_scalar().to_bits(a.layout.size)? != 0 { throw_ub_custom!( fluent::const_eval_exact_div_has_remainder, @@ -545,22 +546,19 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { self.binary_op(mir_op.wrapping_to_overflowing().unwrap(), l, r)?.to_scalar_pair(); Ok(if overflowed.to_bool()? { let size = l.layout.size; - let num_bits = size.bits(); if l.layout.abi.is_signed() { // For signed ints the saturated value depends on the sign of the first // term since the sign of the second term can be inferred from this and // the fact that the operation has overflowed (if either is 0 no // overflow can occur) - let first_term: u128 = l.to_scalar().to_bits(l.layout.size)?; - let first_term_positive = first_term & (1 << (num_bits - 1)) == 0; - if first_term_positive { + let first_term: i128 = l.to_scalar().to_int(l.layout.size)?; + if first_term >= 0 { // Negative overflow not possible since the positive first term // can only increase an (in range) negative term for addition - // or corresponding negated positive term for subtraction + // or corresponding negated positive term for subtraction. Scalar::from_int(size.signed_int_max(), size) } else { - // Positive overflow not possible for similar reason - // max negative + // Positive overflow not possible for similar reason. Scalar::from_int(size.signed_int_min(), size) } } else { diff --git a/compiler/rustc_const_eval/src/interpret/operator.rs b/compiler/rustc_const_eval/src/interpret/operator.rs index c821c98073d7..a6eef9f5662c 100644 --- a/compiler/rustc_const_eval/src/interpret/operator.rs +++ b/compiler/rustc_const_eval/src/interpret/operator.rs @@ -437,23 +437,24 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { }; Ok(ImmTy::from_scalar(res, layout)) } - _ if layout.ty.is_integral() => { - let val = val.to_scalar(); - let val = val.to_bits(layout.size)?; + ty::Int(..) => { + let val = val.to_scalar().to_int(layout.size)?; let res = match un_op { - Not => self.truncate(!val, layout), // bitwise negation, then truncate - Neg => { - // arithmetic negation - assert!(layout.abi.is_signed()); - let val = self.sign_extend(val, layout) as i128; - let res = val.wrapping_neg(); - let res = res as u128; - // Truncate to target type. - self.truncate(res, layout) - } + Not => !val, + Neg => val.wrapping_neg(), _ => span_bug!(self.cur_span(), "Invalid integer op {:?}", un_op), }; - Ok(ImmTy::from_uint(res, layout)) + let res = ScalarInt::truncate_from_int(res, layout.size).0; + Ok(ImmTy::from_scalar(res.into(), layout)) + } + ty::Uint(..) => { + let val = val.to_scalar().to_uint(layout.size)?; + let res = match un_op { + Not => !val, + _ => span_bug!(self.cur_span(), "Invalid unsigned integer op {:?}", un_op), + }; + let res = ScalarInt::truncate_from_uint(res, layout.size).0; + Ok(ImmTy::from_scalar(res.into(), layout)) } ty::RawPtr(..) => { assert_eq!(un_op, PtrMetadata); diff --git a/compiler/rustc_middle/src/ty/consts/int.rs b/compiler/rustc_middle/src/ty/consts/int.rs index 52320dd141ba..13691b61941b 100644 --- a/compiler/rustc_middle/src/ty/consts/int.rs +++ b/compiler/rustc_middle/src/ty/consts/int.rs @@ -209,8 +209,8 @@ impl ScalarInt { #[inline] pub fn try_from_uint(i: impl Into, size: Size) -> Option { - let data = i.into(); - if size.truncate(data) == data { Some(Self::raw(data, size)) } else { None } + let (r, overflow) = Self::truncate_from_uint(i, size); + if overflow { None } else { Some(r) } } /// Returns the truncated result, and whether truncation changed the value. @@ -223,20 +223,15 @@ impl ScalarInt { #[inline] pub fn try_from_int(i: impl Into, size: Size) -> Option { - let i = i.into(); - // `into` performed sign extension, we have to truncate - let truncated = size.truncate(i as u128); - if size.sign_extend(truncated) as i128 == i { - Some(Self::raw(truncated, size)) - } else { - None - } + let (r, overflow) = Self::truncate_from_int(i, size); + if overflow { None } else { Some(r) } } /// Returns the truncated result, and whether truncation changed the value. #[inline] pub fn truncate_from_int(i: impl Into, size: Size) -> (Self, bool) { let data = i.into(); + // `into` performed sign extension, we have to truncate let r = Self::raw(size.truncate(data as u128), size); (r, size.sign_extend(r.data) as i128 != data) } diff --git a/src/tools/miri/tests/fail/validity/invalid_char_cast.rs b/src/tools/miri/tests/fail/validity/invalid_char_cast.rs new file mode 100644 index 000000000000..6a590dc7ba10 --- /dev/null +++ b/src/tools/miri/tests/fail/validity/invalid_char_cast.rs @@ -0,0 +1,21 @@ +// Make sure we find these even with many checks disabled. +//@compile-flags: -Zmiri-disable-alignment-check -Zmiri-disable-stacked-borrows -Zmiri-disable-validation +#![feature(core_intrinsics)] +#![feature(custom_mir)] + +use std::intrinsics::mir::*; + +#[custom_mir(dialect = "runtime", phase = "optimized")] +fn cast(ptr: *const char) -> u32 { + mir! { + { + RET = *ptr as u32; //~ERROR: interpreting an invalid 32-bit value as a char + Return() + } + } +} + +pub fn main() { + let v = u32::MAX; + cast(&v as *const u32 as *const char); +} diff --git a/src/tools/miri/tests/fail/validity/invalid_char_cast.stderr b/src/tools/miri/tests/fail/validity/invalid_char_cast.stderr new file mode 100644 index 000000000000..1b5c838cf463 --- /dev/null +++ b/src/tools/miri/tests/fail/validity/invalid_char_cast.stderr @@ -0,0 +1,20 @@ +error: Undefined Behavior: interpreting an invalid 32-bit value as a char: $HEX + --> $DIR/invalid_char_cast.rs:LL:CC + | +LL | RET = *ptr as u32; + | ^^^^^^^^^^^^^^^^^ interpreting an invalid 32-bit value as a char: $HEX + | + = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior + = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information + = note: BACKTRACE: + = note: inside `cast` at $DIR/invalid_char_cast.rs:LL:CC +note: inside `main` + --> $DIR/invalid_char_cast.rs:LL:CC + | +LL | cast(&v as *const u32 as *const char); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace + +error: aborting due to 1 previous error + diff --git a/src/tools/miri/tests/fail/validity/invalid_char_match.rs b/src/tools/miri/tests/fail/validity/invalid_char_match.rs new file mode 100644 index 000000000000..6c2e65b2bb74 --- /dev/null +++ b/src/tools/miri/tests/fail/validity/invalid_char_match.rs @@ -0,0 +1,26 @@ +// Make sure we find these even with many checks disabled. +//@compile-flags: -Zmiri-disable-alignment-check -Zmiri-disable-stacked-borrows -Zmiri-disable-validation +#![feature(core_intrinsics)] +#![feature(custom_mir)] + +use std::intrinsics::mir::*; + +#[custom_mir(dialect = "runtime", phase = "optimized")] +fn switch_int(ptr: *const char) { + mir! { + { + match *ptr { //~ERROR: interpreting an invalid 32-bit value as a char + '0' => ret, + _ => ret, + } + } + ret = { + Return() + } + } +} + +pub fn main() { + let v = u32::MAX; + switch_int(&v as *const u32 as *const char); +} diff --git a/src/tools/miri/tests/fail/validity/invalid_char_match.stderr b/src/tools/miri/tests/fail/validity/invalid_char_match.stderr new file mode 100644 index 000000000000..7706ed97316c --- /dev/null +++ b/src/tools/miri/tests/fail/validity/invalid_char_match.stderr @@ -0,0 +1,23 @@ +error: Undefined Behavior: interpreting an invalid 32-bit value as a char: $HEX + --> $DIR/invalid_char_match.rs:LL:CC + | +LL | / match *ptr { +LL | | '0' => ret, +LL | | _ => ret, +LL | | } + | |_____________^ interpreting an invalid 32-bit value as a char: $HEX + | + = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior + = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information + = note: BACKTRACE: + = note: inside `switch_int` at $DIR/invalid_char_match.rs:LL:CC +note: inside `main` + --> $DIR/invalid_char_match.rs:LL:CC + | +LL | switch_int(&v as *const u32 as *const char); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace + +error: aborting due to 1 previous error + diff --git a/src/tools/miri/tests/fail/validity/invalid_enum_cast.rs b/src/tools/miri/tests/fail/validity/invalid_enum_cast.rs new file mode 100644 index 000000000000..faf5fb699a6a --- /dev/null +++ b/src/tools/miri/tests/fail/validity/invalid_enum_cast.rs @@ -0,0 +1,15 @@ +// Make sure we find these even with many checks disabled. +//@compile-flags: -Zmiri-disable-alignment-check -Zmiri-disable-stacked-borrows -Zmiri-disable-validation + +#[derive(Copy, Clone)] +#[allow(unused)] +enum E {A, B, C } + +fn cast(ptr: *const E) { unsafe { + let _val = *ptr as u32; //~ERROR: enum value has invalid tag +}} + +pub fn main() { + let v = u32::MAX; + cast(&v as *const u32 as *const E); +} diff --git a/src/tools/miri/tests/fail/validity/invalid_enum_cast.stderr b/src/tools/miri/tests/fail/validity/invalid_enum_cast.stderr new file mode 100644 index 000000000000..d89888760458 --- /dev/null +++ b/src/tools/miri/tests/fail/validity/invalid_enum_cast.stderr @@ -0,0 +1,20 @@ +error: Undefined Behavior: enum value has invalid tag: 0xff + --> $DIR/invalid_enum_cast.rs:LL:CC + | +LL | let _val = *ptr as u32; + | ^^^^^^^^^^^ enum value has invalid tag: 0xff + | + = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior + = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information + = note: BACKTRACE: + = note: inside `cast` at $DIR/invalid_enum_cast.rs:LL:CC +note: inside `main` + --> $DIR/invalid_enum_cast.rs:LL:CC + | +LL | cast(&v as *const u32 as *const E); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace + +error: aborting due to 1 previous error + From de4ac0c465facfdfd56ce08dc6bb5cfee901561c Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Tue, 11 Jun 2024 13:28:36 +0200 Subject: [PATCH 1312/1716] add const eval bool-to-int cast test --- .../ui/consts/const-eval/ub-invalid-values.rs | 11 ++++++++++ .../const-eval/ub-invalid-values.stderr | 20 +++++++++++++++++++ 2 files changed, 31 insertions(+) create mode 100644 tests/ui/consts/const-eval/ub-invalid-values.rs create mode 100644 tests/ui/consts/const-eval/ub-invalid-values.stderr diff --git a/tests/ui/consts/const-eval/ub-invalid-values.rs b/tests/ui/consts/const-eval/ub-invalid-values.rs new file mode 100644 index 000000000000..1724a88dd3d9 --- /dev/null +++ b/tests/ui/consts/const-eval/ub-invalid-values.rs @@ -0,0 +1,11 @@ +const fn bool_cast(ptr: *const bool) { unsafe { + let _val = *ptr as u32; //~ERROR: evaluation of constant value failed + //~^ interpreting an invalid 8-bit value as a bool +}} + +const _: () = { + let v = 3_u8; + bool_cast(&v as *const u8 as *const bool); +}; + +fn main() {} diff --git a/tests/ui/consts/const-eval/ub-invalid-values.stderr b/tests/ui/consts/const-eval/ub-invalid-values.stderr new file mode 100644 index 000000000000..edf72f731e5a --- /dev/null +++ b/tests/ui/consts/const-eval/ub-invalid-values.stderr @@ -0,0 +1,20 @@ +error[E0080]: evaluation of constant value failed + --> $DIR/ub-invalid-values.rs:2:16 + | +LL | let _val = *ptr as u32; + | ^^^^^^^^^^^ interpreting an invalid 8-bit value as a bool: 0x03 + | +note: inside `bool_cast` + --> $DIR/ub-invalid-values.rs:2:16 + | +LL | let _val = *ptr as u32; + | ^^^^^^^^^^^ +note: inside `_` + --> $DIR/ub-invalid-values.rs:8:5 + | +LL | bool_cast(&v as *const u8 as *const bool); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0080`. From f8e25a687e02f741075a653215a8feedc0b6e7cd Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Tue, 11 Jun 2024 14:09:07 +0200 Subject: [PATCH 1313/1716] Add `path` function to `run-make-support` --- src/tools/run-make-support/src/lib.rs | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index b17f217c133b..20b7bdfdcef6 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -76,6 +76,11 @@ pub fn htmldocck() -> Command { python } +/// Returns the path for a local test file. +pub fn path>(p: P) -> PathBuf { + cwd().join(p.as_ref()) +} + /// Path to the root rust-lang/rust source checkout. pub fn source_root() -> PathBuf { env_var("SOURCE_ROOT").into() From e8b04cc95fe1412e2ef369397a60f0667e99880f Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Sun, 9 Jun 2024 11:02:19 +0200 Subject: [PATCH 1314/1716] Migrate `run-make/multiple-emits` to `rmake.rs` --- src/tools/tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/multiple-emits/Makefile | 7 ------- tests/run-make/multiple-emits/rmake.rs | 13 +++++++++++++ 3 files changed, 13 insertions(+), 8 deletions(-) delete mode 100644 tests/run-make/multiple-emits/Makefile create mode 100644 tests/run-make/multiple-emits/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index a015f96ae51d..86da061b2bc4 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -145,7 +145,6 @@ run-make/mismatching-target-triples/Makefile run-make/missing-crate-dependency/Makefile run-make/mixing-libs/Makefile run-make/msvc-opt-minsize/Makefile -run-make/multiple-emits/Makefile run-make/native-link-modifier-bundle/Makefile run-make/native-link-modifier-verbatim-linker/Makefile run-make/native-link-modifier-verbatim-rustc/Makefile diff --git a/tests/run-make/multiple-emits/Makefile b/tests/run-make/multiple-emits/Makefile deleted file mode 100644 index d1f297644854..000000000000 --- a/tests/run-make/multiple-emits/Makefile +++ /dev/null @@ -1,7 +0,0 @@ -include ../tools.mk - -all: - $(RUSTC) foo.rs --emit=asm,llvm-ir -o $(TMPDIR)/out 2>&1 - rm $(TMPDIR)/out.ll $(TMPDIR)/out.s - $(RUSTC) foo.rs --emit=asm,llvm-ir -o $(TMPDIR)/out2.ext 2>&1 - rm $(TMPDIR)/out2.ll $(TMPDIR)/out2.s diff --git a/tests/run-make/multiple-emits/rmake.rs b/tests/run-make/multiple-emits/rmake.rs new file mode 100644 index 000000000000..67c0ebb9864a --- /dev/null +++ b/tests/run-make/multiple-emits/rmake.rs @@ -0,0 +1,13 @@ +use run_make_support::{cwd, path, rustc}; + +fn main() { + rustc().input("foo.rs").emit("asm,llvm-ir").output("out").run(); + + assert!(path("out.ll").is_file()); + assert!(path("out.s").is_file()); + + rustc().input("foo.rs").emit("asm,llvm-ir").output("out2.ext").run(); + + assert!(path("out2.ll").is_file()); + assert!(path("out2.s").is_file()); +} From 19a2dfea881568fb63e55e8535634ad33c783f02 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Sat, 8 Jun 2024 23:17:11 +0200 Subject: [PATCH 1315/1716] Migrate `tests/run-make/prefer-dylib` to `rmake.rs` --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/prefer-dylib/Makefile | 9 --------- tests/run-make/prefer-dylib/rmake.rs | 16 ++++++++++++++++ 3 files changed, 16 insertions(+), 10 deletions(-) delete mode 100644 tests/run-make/prefer-dylib/Makefile create mode 100644 tests/run-make/prefer-dylib/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index a015f96ae51d..fb65c96c4aab 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -177,7 +177,6 @@ run-make/pgo-gen/Makefile run-make/pgo-indirect-call-promotion/Makefile run-make/pgo-use/Makefile run-make/pointer-auth-link-with-c/Makefile -run-make/prefer-dylib/Makefile run-make/prefer-rlib/Makefile run-make/pretty-print-to-file/Makefile run-make/pretty-print-with-dep-file/Makefile diff --git a/tests/run-make/prefer-dylib/Makefile b/tests/run-make/prefer-dylib/Makefile deleted file mode 100644 index cc26e70ae67c..000000000000 --- a/tests/run-make/prefer-dylib/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -# ignore-cross-compile -include ../tools.mk - -all: - $(RUSTC) bar.rs --crate-type=dylib --crate-type=rlib -C prefer-dynamic - $(RUSTC) foo.rs -C prefer-dynamic - $(call RUN,foo) - rm $(TMPDIR)/*bar* - $(call FAIL,foo) diff --git a/tests/run-make/prefer-dylib/rmake.rs b/tests/run-make/prefer-dylib/rmake.rs new file mode 100644 index 000000000000..ad9fd8a15a2c --- /dev/null +++ b/tests/run-make/prefer-dylib/rmake.rs @@ -0,0 +1,16 @@ +//@ ignore-cross-compile + +use run_make_support::{cwd, dynamic_lib_name, read_dir, run, run_fail, rustc}; +use std::fs::remove_file; +use std::process::Command; + +fn main() { + rustc().input("bar.rs").crate_type("dylib").crate_type("rlib").arg("-Cprefer-dynamic").run(); + rustc().input("foo.rs").arg("-Cprefer-dynamic").run(); + + run("foo"); + + remove_file(dynamic_lib_name("bar")).unwrap(); + // This time the command should fail. + run_fail("foo"); +} From 534b5855a6baf6da084c261593cdfb84cec01755 Mon Sep 17 00:00:00 2001 From: Pietro Albini Date: Tue, 11 Jun 2024 15:08:59 +0200 Subject: [PATCH 1316/1716] bump stage0 compiler --- src/stage0 | 856 ++++++++++++++++++++++++++--------------------------- 1 file changed, 428 insertions(+), 428 deletions(-) diff --git a/src/stage0 b/src/stage0 index ed88549e6982..f36010fa4b45 100644 --- a/src/stage0 +++ b/src/stage0 @@ -14,434 +14,434 @@ nightly_branch=master # All changes below this comment will be overridden the next time the # tool is executed. -compiler_date=2024-05-26 +compiler_date=2024-06-11 compiler_version=beta -rustfmt_date=2024-05-29 +rustfmt_date=2024-06-11 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+dist/2024-06-11/rustc-nightly-aarch64-unknown-linux-gnu.tar.gz=aea2dc3831864dc5ea2c389c8208fc82baf1566f4e5688511495db25525e6020 +dist/2024-06-11/rustc-nightly-aarch64-unknown-linux-gnu.tar.xz=9b6f1c3b1656ee2037afe170d6909aa037d484897a83679e2115392a35559062 +dist/2024-06-11/rustc-nightly-x86_64-unknown-linux-gnu.tar.gz=3a962a42e427675df5d8fbc4e638949ec0669a95ecabcdddf5103a9c19f291ac +dist/2024-06-11/rustc-nightly-x86_64-unknown-linux-gnu.tar.xz=6fe48c92425b41ad7c3e812abe2e5decb117be178a16f6910bd60000fe8f355b +dist/2024-06-11/rustc-nightly-aarch64-pc-windows-msvc.tar.gz=0a3147dd45cbf54e66b92baec479a5550c63327185baef3df9638c5a740e0921 +dist/2024-06-11/rustc-nightly-aarch64-pc-windows-msvc.tar.xz=d35948d49fa1e526434ca89c2f7542fcfeb86b4ec35bb92f87f387ec37f4ccda \ No newline at end of file From e3e815370e824a9d7e74024da54acbe5ac477786 Mon Sep 17 00:00:00 2001 From: Mara Bos Date: Tue, 19 Sep 2023 18:06:22 +0200 Subject: [PATCH 1317/1716] Split core's PanicInfo and std's PanicInfo. --- library/core/src/panic/panic_info.rs | 80 ++------------ library/core/src/panicking.rs | 4 +- library/std/src/panic.rs | 153 ++++++++++++++++++++++++++- library/std/src/panicking.rs | 37 +++---- 4 files changed, 177 insertions(+), 97 deletions(-) diff --git a/library/core/src/panic/panic_info.rs b/library/core/src/panic/panic_info.rs index 403262212580..2b7bc76fbc27 100644 --- a/library/core/src/panic/panic_info.rs +++ b/library/core/src/panic/panic_info.rs @@ -1,31 +1,14 @@ -use crate::any::Any; use crate::fmt; use crate::panic::Location; /// A struct providing information about a panic. /// -/// `PanicInfo` structure is passed to a panic hook set by the [`set_hook`] -/// function. -/// -/// [`set_hook`]: ../../std/panic/fn.set_hook.html -/// -/// # Examples -/// -/// ```should_panic -/// use std::panic; -/// -/// panic::set_hook(Box::new(|panic_info| { -/// println!("panic occurred: {panic_info}"); -/// })); -/// -/// panic!("critical system failure"); -/// ``` +/// A `PanicInfo` structure is passed to the panic handler defined by `#[panic_handler]`. #[lang = "panic_info"] #[stable(feature = "panic_hooks", since = "1.10.0")] #[derive(Debug)] pub struct PanicInfo<'a> { - payload: &'a (dyn Any + Send), - message: Option<&'a fmt::Arguments<'a>>, + message: fmt::Arguments<'a>, location: &'a Location<'a>, can_unwind: bool, force_no_backtrace: bool, @@ -40,51 +23,12 @@ impl<'a> PanicInfo<'a> { #[doc(hidden)] #[inline] pub fn internal_constructor( - message: Option<&'a fmt::Arguments<'a>>, + message: fmt::Arguments<'a>, location: &'a Location<'a>, can_unwind: bool, force_no_backtrace: bool, ) -> Self { - struct NoPayload; - PanicInfo { location, message, payload: &NoPayload, can_unwind, force_no_backtrace } - } - - #[unstable( - feature = "panic_internals", - reason = "internal details of the implementation of the `panic!` and related macros", - issue = "none" - )] - #[doc(hidden)] - #[inline] - pub fn set_payload(&mut self, info: &'a (dyn Any + Send)) { - self.payload = info; - } - - /// Returns the payload associated with the panic. - /// - /// This will commonly, but not always, be a `&'static str` or [`String`]. - /// - /// [`String`]: ../../std/string/struct.String.html - /// - /// # Examples - /// - /// ```should_panic - /// use std::panic; - /// - /// panic::set_hook(Box::new(|panic_info| { - /// if let Some(s) = panic_info.payload().downcast_ref::<&str>() { - /// println!("panic occurred: {s:?}"); - /// } else { - /// println!("panic occurred"); - /// } - /// })); - /// - /// panic!("Normal panic"); - /// ``` - #[must_use] - #[stable(feature = "panic_hooks", since = "1.10.0")] - pub fn payload(&self) -> &(dyn Any + Send) { - self.payload + PanicInfo { location, message, can_unwind, force_no_backtrace } } /// If the `panic!` macro from the `core` crate (not from `std`) @@ -92,7 +36,7 @@ impl<'a> PanicInfo<'a> { /// returns that message ready to be used for example with [`fmt::write`] #[must_use] #[unstable(feature = "panic_info_message", issue = "66745")] - pub fn message(&self) -> Option<&fmt::Arguments<'_>> { + pub fn message(&self) -> fmt::Arguments<'_> { self.message } @@ -161,18 +105,8 @@ impl fmt::Display for PanicInfo<'_> { fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result { formatter.write_str("panicked at ")?; self.location.fmt(formatter)?; - formatter.write_str(":")?; - if let Some(message) = self.message { - formatter.write_str("\n")?; - formatter.write_fmt(*message)?; - } else if let Some(payload) = self.payload.downcast_ref::<&'static str>() { - formatter.write_str("\n")?; - formatter.write_str(payload)?; - } - // NOTE: we cannot use downcast_ref::() here - // since String is not available in core! - // The payload is a String when `std::panic!` is called with multiple arguments, - // but in that case the message is also available. + formatter.write_str(":\n")?; + formatter.write_fmt(self.message)?; Ok(()) } } diff --git a/library/core/src/panicking.rs b/library/core/src/panicking.rs index ca06e059b75a..683894a5ab49 100644 --- a/library/core/src/panicking.rs +++ b/library/core/src/panicking.rs @@ -62,7 +62,7 @@ pub const fn panic_fmt(fmt: fmt::Arguments<'_>) -> ! { } let pi = PanicInfo::internal_constructor( - Some(&fmt), + fmt, Location::caller(), /* can_unwind */ true, /* force_no_backtrace */ false, @@ -100,7 +100,7 @@ pub const fn panic_nounwind_fmt(fmt: fmt::Arguments<'_>, force_no_backtrace: boo // PanicInfo with the `can_unwind` flag set to false forces an abort. let pi = PanicInfo::internal_constructor( - Some(&fmt), + &fmt, Location::caller(), /* can_unwind */ false, force_no_backtrace, diff --git a/library/std/src/panic.rs b/library/std/src/panic.rs index e63b46ab7054..18072f6fe3df 100644 --- a/library/std/src/panic.rs +++ b/library/std/src/panic.rs @@ -4,11 +4,162 @@ use crate::any::Any; use crate::collections; +use crate::fmt; use crate::panicking; use crate::sync::atomic::{AtomicU8, Ordering}; use crate::sync::{Condvar, Mutex, RwLock}; use crate::thread::Result; +/// A struct providing information about a panic. +/// +/// `PanicInfo` structure is passed to a panic hook set by the [`set_hook`] +/// function. +/// +/// [`set_hook`]: ../../std/panic/fn.set_hook.html +/// +/// # Examples +/// +/// ```should_panic +/// use std::panic; +/// +/// panic::set_hook(Box::new(|panic_info| { +/// println!("panic occurred: {panic_info}"); +/// })); +/// +/// panic!("critical system failure"); +/// ``` +#[stable(feature = "panic_hooks", since = "1.10.0")] +#[derive(Debug)] +pub struct PanicInfo<'a> { + payload: &'a (dyn Any + Send), + location: &'a Location<'a>, + can_unwind: bool, + force_no_backtrace: bool, +} + +impl<'a> PanicInfo<'a> { + #[unstable(feature = "panic_internals", issue = "none")] + #[doc(hidden)] + #[inline] + pub fn internal_constructor( + location: &'a Location<'a>, + can_unwind: bool, + force_no_backtrace: bool, + ) -> Self { + struct NoPayload; + PanicInfo { payload: &NoPayload, location, can_unwind, force_no_backtrace } + } + + #[unstable(feature = "panic_internals", issue = "none")] + #[doc(hidden)] + #[inline] + pub fn set_payload(&mut self, info: &'a (dyn Any + Send)) { + self.payload = info; + } + + /// Returns the payload associated with the panic. + /// + /// This will commonly, but not always, be a `&'static str` or [`String`]. + /// + /// [`String`]: ../../std/string/struct.String.html + /// + /// # Examples + /// + /// ```should_panic + /// use std::panic; + /// + /// panic::set_hook(Box::new(|panic_info| { + /// if let Some(s) = panic_info.payload().downcast_ref::<&str>() { + /// println!("panic occurred: {s:?}"); + /// } else { + /// println!("panic occurred"); + /// } + /// })); + /// + /// panic!("Normal panic"); + /// ``` + #[must_use] + #[stable(feature = "panic_hooks", since = "1.10.0")] + pub fn payload(&self) -> &(dyn Any + Send) { + self.payload + } + + /// Returns information about the location from which the panic originated, + /// if available. + /// + /// This method will currently always return [`Some`], but this may change + /// in future versions. + /// + /// # Examples + /// + /// ```should_panic + /// use std::panic; + /// + /// panic::set_hook(Box::new(|panic_info| { + /// if let Some(location) = panic_info.location() { + /// println!("panic occurred in file '{}' at line {}", + /// location.file(), + /// location.line(), + /// ); + /// } else { + /// println!("panic occurred but can't get location information..."); + /// } + /// })); + /// + /// panic!("Normal panic"); + /// ``` + #[must_use] + #[stable(feature = "panic_hooks", since = "1.10.0")] + pub fn location(&self) -> Option<&Location<'_>> { + // NOTE: If this is changed to sometimes return None, + // deal with that case in std::panicking::default_hook and core::panicking::panic_fmt. + Some(&self.location) + } + + /// Returns whether the panic handler is allowed to unwind the stack from + /// the point where the panic occurred. + /// + /// This is true for most kinds of panics with the exception of panics + /// caused by trying to unwind out of a `Drop` implementation or a function + /// whose ABI does not support unwinding. + /// + /// It is safe for a panic handler to unwind even when this function returns + /// false, however this will simply cause the panic handler to be called + /// again. + #[must_use] + #[unstable(feature = "panic_can_unwind", issue = "92988")] + pub fn can_unwind(&self) -> bool { + self.can_unwind + } + + #[unstable( + feature = "panic_internals", + reason = "internal details of the implementation of the `panic!` and related macros", + issue = "none" + )] + #[doc(hidden)] + #[inline] + pub fn force_no_backtrace(&self) -> bool { + self.force_no_backtrace + } +} + +#[stable(feature = "panic_hook_display", since = "1.26.0")] +impl fmt::Display for PanicInfo<'_> { + fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result { + formatter.write_str("panicked at ")?; + self.location.fmt(formatter)?; + if let Some(payload) = self.payload.downcast_ref::<&'static str>() { + formatter.write_str(":\n")?; + formatter.write_str(payload)?; + } else if let Some(payload) = self.payload.downcast_ref::() { + formatter.write_str(":\n")?; + formatter.write_str(payload)?; + } + Ok(()) + } +} + #[doc(hidden)] #[unstable(feature = "edition_panic", issue = "none", reason = "use panic!() instead")] #[allow_internal_unstable(libstd_sys_internals, const_format_args, panic_internals, rt)] @@ -43,7 +194,7 @@ pub use crate::panicking::{set_hook, take_hook}; pub use crate::panicking::update_hook; #[stable(feature = "panic_hooks", since = "1.10.0")] -pub use core::panic::{Location, PanicInfo}; +pub use core::panic::Location; #[stable(feature = "catch_unwind", since = "1.9.0")] pub use core::panic::{AssertUnwindSafe, RefUnwindSafe, UnwindSafe}; diff --git a/library/std/src/panicking.rs b/library/std/src/panicking.rs index 5699937cdb49..d6ef8f0dbbee 100644 --- a/library/std/src/panicking.rs +++ b/library/std/src/panicking.rs @@ -9,8 +9,8 @@ #![deny(unsafe_op_in_unsafe_fn)] -use crate::panic::BacktraceStyle; -use core::panic::{Location, PanicInfo, PanicPayload}; +use crate::panic::{BacktraceStyle, PanicInfo}; +use core::panic::{Location, PanicPayload}; use crate::any::Any; use crate::fmt; @@ -597,7 +597,7 @@ pub fn panicking() -> bool { /// Entry point of panics from the core crate (`panic_impl` lang item). #[cfg(not(any(test, doctest)))] #[panic_handler] -pub fn begin_panic_handler(info: &PanicInfo<'_>) -> ! { +pub fn begin_panic_handler(info: &core::panic::PanicInfo<'_>) -> ! { struct FormatStringPayload<'a> { inner: &'a fmt::Arguments<'a>, string: Option, @@ -648,22 +648,20 @@ pub fn begin_panic_handler(info: &PanicInfo<'_>) -> ! { } let loc = info.location().unwrap(); // The current implementation always returns Some - let msg = info.message().unwrap(); // The current implementation always returns Some + let msg = info.message(); crate::sys_common::backtrace::__rust_end_short_backtrace(move || { - // FIXME: can we just pass `info` along rather than taking it apart here, only to have - // `rust_panic_with_hook` construct a new `PanicInfo`? - if let Some(msg) = msg.as_str() { + if let Some(s) = msg.as_str() { rust_panic_with_hook( - &mut StaticStrPayload(msg), - info.message(), + &mut StaticStrPayload(s), + Some(msg), loc, info.can_unwind(), info.force_no_backtrace(), ); } else { rust_panic_with_hook( - &mut FormatStringPayload::new(msg), - info.message(), + &mut FormatStringPayload::new(&msg), + Some(msg), loc, info.can_unwind(), info.force_no_backtrace(), @@ -740,7 +738,7 @@ pub const fn begin_panic(msg: M) -> ! { /// abort or unwind. fn rust_panic_with_hook( payload: &mut dyn PanicPayload, - message: Option<&fmt::Arguments<'_>>, + message: Option>, location: &Location<'_>, can_unwind: bool, force_no_backtrace: bool, @@ -767,20 +765,17 @@ fn rust_panic_with_hook( panic_count::MustAbort::AlwaysAbort => { // Unfortunately, this does not print a backtrace, because creating // a `Backtrace` will allocate, which we must avoid here. - let panicinfo = PanicInfo::internal_constructor( - message, - location, - can_unwind, - force_no_backtrace, - ); - rtprintpanic!("{panicinfo}\npanicked after panic::always_abort(), aborting.\n"); + if let Some(message) = message { + rtprintpanic!("aborting due to panic at {location}:\n{message}\n"); + } else { + rtprintpanic!("aborting due to panic at {location}\n"); + } } } crate::sys::abort_internal(); } - let mut info = - PanicInfo::internal_constructor(message, location, can_unwind, force_no_backtrace); + let mut info = PanicInfo::internal_constructor(location, can_unwind, force_no_backtrace); let hook = HOOK.read().unwrap_or_else(PoisonError::into_inner); match *hook { // Some platforms (like wasm) know that printing to stderr won't ever actually From a519dc85f8aa1348ec9cdc46906bbcbb9d115981 Mon Sep 17 00:00:00 2001 From: Mara Bos Date: Tue, 26 Sep 2023 14:40:36 +0200 Subject: [PATCH 1318/1716] Document difference between core and std's PanicInfo. --- library/core/src/panic/panic_info.rs | 9 +++++++++ library/std/src/panic.rs | 11 +++++++++-- 2 files changed, 18 insertions(+), 2 deletions(-) diff --git a/library/core/src/panic/panic_info.rs b/library/core/src/panic/panic_info.rs index 2b7bc76fbc27..6a600e2d4312 100644 --- a/library/core/src/panic/panic_info.rs +++ b/library/core/src/panic/panic_info.rs @@ -4,6 +4,15 @@ use crate::panic::Location; /// A struct providing information about a panic. /// /// A `PanicInfo` structure is passed to the panic handler defined by `#[panic_handler]`. +/// +/// There two `PanicInfo` types: +/// - `core::panic::PanicInfo`, which is used as an argument to a `#[panic_handler]` in `#![no_std]` programs. +/// - [`std::panic::PanicInfo`], which is used as an argument to a panic hook set by [`std::panic::set_hook`]. +/// +/// This is the first one. +/// +/// [`std::panic::set_hook`]: ../../std/panic/fn.set_hook.html +/// [`std::panic::PanicInfo`]: ../../std/panic/struct.PanicInfo.html #[lang = "panic_info"] #[stable(feature = "panic_hooks", since = "1.10.0")] #[derive(Debug)] diff --git a/library/std/src/panic.rs b/library/std/src/panic.rs index 18072f6fe3df..54ab433d8209 100644 --- a/library/std/src/panic.rs +++ b/library/std/src/panic.rs @@ -12,11 +12,16 @@ use crate::thread::Result; /// A struct providing information about a panic. /// -/// `PanicInfo` structure is passed to a panic hook set by the [`set_hook`] -/// function. +/// `PanicInfo` structure is passed to a panic hook set by the [`set_hook`] function. /// /// [`set_hook`]: ../../std/panic/fn.set_hook.html /// +/// There two `PanicInfo` types: +/// - [`core::panic::PanicInfo`], which is used as an argument to a `#[panic_handler]` in `#![no_std]` programs. +/// - `std::panic::PanicInfo`, which is used as an argument to a panic hook set by [`std::panic::set_hook`]. +/// +/// This is the second one. +/// /// # Examples /// /// ```should_panic @@ -28,6 +33,8 @@ use crate::thread::Result; /// /// panic!("critical system failure"); /// ``` +/// +/// [`core::panic::PanicInfo`]: ../../core/panic/struct.PanicInfo.html #[stable(feature = "panic_hooks", since = "1.10.0")] #[derive(Debug)] pub struct PanicInfo<'a> { From 16dfc6ddc114efa7174e2daa972916bbd2f67d87 Mon Sep 17 00:00:00 2001 From: Mara Bos Date: Tue, 26 Sep 2023 14:40:50 +0200 Subject: [PATCH 1319/1716] Add core::panic::PanicInfo::payload() for compatibility. --- library/core/src/panic/panic_info.rs | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/library/core/src/panic/panic_info.rs b/library/core/src/panic/panic_info.rs index 6a600e2d4312..5b784ff4f80a 100644 --- a/library/core/src/panic/panic_info.rs +++ b/library/core/src/panic/panic_info.rs @@ -81,6 +81,24 @@ impl<'a> PanicInfo<'a> { Some(&self.location) } + /// Returns the payload associated with the panic. + /// + /// On `core::panic::PanicInfo`, this method never returns anything useful. + /// It only exists because of compatibility with [`std::panic::PanicInfo`], + /// which used to be the same type. + /// + /// See [`std::panic::PanicInfo::payload`]. + /// + /// [`std::panic::PanicInfo`]: ../../std/panic/struct.PanicInfo.html + /// [`std::panic::PanicInfo::payload`]: ../../std/panic/struct.PanicInfo.html#method.payload + #[deprecated(since = "1.74.0", note = "this never returns anything useful")] + #[stable(feature = "panic_hooks", since = "1.10.0")] + #[allow(deprecated, deprecated_in_future)] + pub fn payload(&self) -> &(dyn crate::any::Any + Send) { + struct NoPayload; + &NoPayload + } + /// Returns whether the panic handler is allowed to unwind the stack from /// the point where the panic occurred. /// From 331b8a3edde67eb2418e7d9c5c6ef8d9a2a8c0b8 Mon Sep 17 00:00:00 2001 From: Mara Bos Date: Tue, 26 Sep 2023 15:02:34 +0200 Subject: [PATCH 1320/1716] Fix doc link. --- library/std/src/panic.rs | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/library/std/src/panic.rs b/library/std/src/panic.rs index 54ab433d8209..e2d182b4ba07 100644 --- a/library/std/src/panic.rs +++ b/library/std/src/panic.rs @@ -14,11 +14,9 @@ use crate::thread::Result; /// /// `PanicInfo` structure is passed to a panic hook set by the [`set_hook`] function. /// -/// [`set_hook`]: ../../std/panic/fn.set_hook.html -/// /// There two `PanicInfo` types: /// - [`core::panic::PanicInfo`], which is used as an argument to a `#[panic_handler]` in `#![no_std]` programs. -/// - `std::panic::PanicInfo`, which is used as an argument to a panic hook set by [`std::panic::set_hook`]. +/// - `std::panic::PanicInfo`, which is used as an argument to a panic hook set by [`set_hook`]. /// /// This is the second one. /// @@ -35,6 +33,7 @@ use crate::thread::Result; /// ``` /// /// [`core::panic::PanicInfo`]: ../../core/panic/struct.PanicInfo.html +/// [`set_hook`]: ../../std/panic/fn.set_hook.html #[stable(feature = "panic_hooks", since = "1.10.0")] #[derive(Debug)] pub struct PanicInfo<'a> { From 83dd214f0651c680cea647c0ce7ccf451840f549 Mon Sep 17 00:00:00 2001 From: Mara Bos Date: Mon, 2 Oct 2023 14:12:37 +0200 Subject: [PATCH 1321/1716] Update doc comment about core::panicking. --- library/core/src/panicking.rs | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/library/core/src/panicking.rs b/library/core/src/panicking.rs index 683894a5ab49..aa11ae28dcb1 100644 --- a/library/core/src/panicking.rs +++ b/library/core/src/panicking.rs @@ -1,7 +1,14 @@ //! Panic support for core //! -//! The core library cannot define panicking, but it does *declare* panicking. This -//! means that the functions inside of core are allowed to panic, but to be +//! In core, panicking is always done with a message, resulting in a core::panic::PanicInfo +//! containing a fmt::Arguments. In std, however, panicking can be done with panic_any, which throws +//! a Box containing any type of value. Because of this, std::panic::PanicInfo is a +//! different type, which contains a &dyn Any instead of a fmt::Arguments. +//! std's panic handler will convert the fmt::Arguments to a &dyn Any containing either a +//! &'static str or String containing the formatted message. +//! +//! The core library cannot define any panic handler, but it can invoke it. +//! This means that the functions inside of core are allowed to panic, but to be //! useful an upstream crate must define panicking for core to use. The current //! interface for panicking is: //! @@ -10,11 +17,6 @@ //! # { loop {} } //! ``` //! -//! This definition allows for panicking with any general message, but it does not -//! allow for failing with a `Box` value. (`PanicInfo` just contains a `&(dyn Any + Send)`, -//! for which we fill in a dummy value in `PanicInfo::internal_constructor`.) -//! The reason for this is that core is not allowed to allocate. -//! //! This module contains a few other panicking functions, but these are just the //! necessary lang items for the compiler. All panics are funneled through this //! one function. The actual symbol is declared through the `#[panic_handler]` attribute. From 0266bbf6e4be7b025f4798046121607c587e94cb Mon Sep 17 00:00:00 2001 From: Mara Bos Date: Mon, 2 Oct 2023 14:13:05 +0200 Subject: [PATCH 1322/1716] Remove core::panic::PanicInfo::internal_constructor. It no longer needs to be public. --- library/core/src/panic/panic_info.rs | 8 +------- library/core/src/panicking.rs | 10 +++------- 2 files changed, 4 insertions(+), 14 deletions(-) diff --git a/library/core/src/panic/panic_info.rs b/library/core/src/panic/panic_info.rs index 5b784ff4f80a..2a0cd8fda61b 100644 --- a/library/core/src/panic/panic_info.rs +++ b/library/core/src/panic/panic_info.rs @@ -24,14 +24,8 @@ pub struct PanicInfo<'a> { } impl<'a> PanicInfo<'a> { - #[unstable( - feature = "panic_internals", - reason = "internal details of the implementation of the `panic!` and related macros", - issue = "none" - )] - #[doc(hidden)] #[inline] - pub fn internal_constructor( + pub(crate) fn new( message: fmt::Arguments<'a>, location: &'a Location<'a>, can_unwind: bool, diff --git a/library/core/src/panicking.rs b/library/core/src/panicking.rs index aa11ae28dcb1..a6e552809460 100644 --- a/library/core/src/panicking.rs +++ b/library/core/src/panicking.rs @@ -63,7 +63,7 @@ pub const fn panic_fmt(fmt: fmt::Arguments<'_>) -> ! { fn panic_impl(pi: &PanicInfo<'_>) -> !; } - let pi = PanicInfo::internal_constructor( + let pi = PanicInfo::new( fmt, Location::caller(), /* can_unwind */ true, @@ -101,12 +101,8 @@ pub const fn panic_nounwind_fmt(fmt: fmt::Arguments<'_>, force_no_backtrace: boo } // PanicInfo with the `can_unwind` flag set to false forces an abort. - let pi = PanicInfo::internal_constructor( - &fmt, - Location::caller(), - /* can_unwind */ false, - force_no_backtrace, - ); + let pi = + PanicInfo::new(fmt, Location::caller(), /* can_unwind */ false, force_no_backtrace); // SAFETY: `panic_impl` is defined in safe Rust code and thus is safe to call. unsafe { panic_impl(&pi) } From 0642cb2994c192b9e910855b7c9a258376c8e0ff Mon Sep 17 00:00:00 2001 From: Mara Bos Date: Mon, 2 Oct 2023 14:14:15 +0200 Subject: [PATCH 1323/1716] Remove std::panic::PanicInfo::internal_constructor+set_payload. We can just set the payload immediately in the constructor, and the constructor does not need to be public. --- library/std/src/panic.rs | 15 +++------------ library/std/src/panicking.rs | 13 ++++--------- 2 files changed, 7 insertions(+), 21 deletions(-) diff --git a/library/std/src/panic.rs b/library/std/src/panic.rs index e2d182b4ba07..7adbce859f56 100644 --- a/library/std/src/panic.rs +++ b/library/std/src/panic.rs @@ -44,23 +44,14 @@ pub struct PanicInfo<'a> { } impl<'a> PanicInfo<'a> { - #[unstable(feature = "panic_internals", issue = "none")] - #[doc(hidden)] #[inline] - pub fn internal_constructor( + pub(crate) fn new( location: &'a Location<'a>, + payload: &'a (dyn Any + Send), can_unwind: bool, force_no_backtrace: bool, ) -> Self { - struct NoPayload; - PanicInfo { payload: &NoPayload, location, can_unwind, force_no_backtrace } - } - - #[unstable(feature = "panic_internals", issue = "none")] - #[doc(hidden)] - #[inline] - pub fn set_payload(&mut self, info: &'a (dyn Any + Send)) { - self.payload = info; + PanicInfo { payload, location, can_unwind, force_no_backtrace } } /// Returns the payload associated with the panic. diff --git a/library/std/src/panicking.rs b/library/std/src/panicking.rs index d6ef8f0dbbee..6d6aca01561a 100644 --- a/library/std/src/panicking.rs +++ b/library/std/src/panicking.rs @@ -775,9 +775,7 @@ fn rust_panic_with_hook( crate::sys::abort_internal(); } - let mut info = PanicInfo::internal_constructor(location, can_unwind, force_no_backtrace); - let hook = HOOK.read().unwrap_or_else(PoisonError::into_inner); - match *hook { + match *HOOK.read().unwrap_or_else(PoisonError::into_inner) { // Some platforms (like wasm) know that printing to stderr won't ever actually // print anything, and if that's the case we can skip the default // hook. Since string formatting happens lazily when calling `payload` @@ -786,15 +784,12 @@ fn rust_panic_with_hook( // formatting.) Hook::Default if panic_output().is_none() => {} Hook::Default => { - info.set_payload(payload.get()); - default_hook(&info); + default_hook(&PanicInfo::new(location, payload.get(), can_unwind, force_no_backtrace)); } Hook::Custom(ref hook) => { - info.set_payload(payload.get()); - hook(&info); + hook(&PanicInfo::new(location, payload.get(), can_unwind, force_no_backtrace)); } - }; - drop(hook); + } // Indicate that we have finished executing the panic hook. After this point // it is fine if there is a panic while executing destructors, as long as it From 0087d899835cbcfa7c52e32c1825f8740621a485 Mon Sep 17 00:00:00 2001 From: Mara Bos Date: Mon, 2 Oct 2023 14:14:55 +0200 Subject: [PATCH 1324/1716] Mark some PanicInfo methods as #[inline] for consistency. --- library/std/src/panic.rs | 3 +++ 1 file changed, 3 insertions(+) diff --git a/library/std/src/panic.rs b/library/std/src/panic.rs index 7adbce859f56..ca0ec12a6009 100644 --- a/library/std/src/panic.rs +++ b/library/std/src/panic.rs @@ -76,6 +76,7 @@ impl<'a> PanicInfo<'a> { /// panic!("Normal panic"); /// ``` #[must_use] + #[inline] #[stable(feature = "panic_hooks", since = "1.10.0")] pub fn payload(&self) -> &(dyn Any + Send) { self.payload @@ -106,6 +107,7 @@ impl<'a> PanicInfo<'a> { /// panic!("Normal panic"); /// ``` #[must_use] + #[inline] #[stable(feature = "panic_hooks", since = "1.10.0")] pub fn location(&self) -> Option<&Location<'_>> { // NOTE: If this is changed to sometimes return None, @@ -124,6 +126,7 @@ impl<'a> PanicInfo<'a> { /// false, however this will simply cause the panic handler to be called /// again. #[must_use] + #[inline] #[unstable(feature = "panic_can_unwind", issue = "92988")] pub fn can_unwind(&self) -> bool { self.can_unwind From 4e356f3184ff43aeb68968a8ab96a0faacf6281b Mon Sep 17 00:00:00 2001 From: Mara Bos Date: Mon, 2 Oct 2023 14:15:21 +0200 Subject: [PATCH 1325/1716] Move downcasting panic payload to str to a function. --- library/std/src/panicking.rs | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-) diff --git a/library/std/src/panicking.rs b/library/std/src/panicking.rs index 6d6aca01561a..53df0bb40b5b 100644 --- a/library/std/src/panicking.rs +++ b/library/std/src/panicking.rs @@ -248,13 +248,7 @@ fn default_hook(info: &PanicInfo<'_>) { // The current implementation always returns `Some`. let location = info.location().unwrap(); - let msg = match info.payload().downcast_ref::<&'static str>() { - Some(s) => *s, - None => match info.payload().downcast_ref::() { - Some(s) => &s[..], - None => "Box", - }, - }; + let msg = payload_as_str(info.payload()); let thread = thread::try_current(); let name = thread.as_ref().and_then(|t| t.name()).unwrap_or(""); @@ -731,6 +725,16 @@ pub const fn begin_panic(msg: M) -> ! { } } +fn payload_as_str(payload: &dyn Any) -> &str { + if let Some(&s) = payload.downcast_ref::<&'static str>() { + s + } else if let Some(s) = payload.downcast_ref::() { + s.as_str() + } else { + "Box" + } +} + /// Central point for dispatching panics. /// /// Executes the primary logic for a panic, including checking for recursive From 22f7399b32dcf1bd4d38b7e88a9b482fba889a8f Mon Sep 17 00:00:00 2001 From: Mara Bos Date: Mon, 2 Oct 2023 14:16:10 +0200 Subject: [PATCH 1326/1716] Use unnamed lifetimes for [..]Payload impl blocks. --- library/std/src/panicking.rs | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/library/std/src/panicking.rs b/library/std/src/panicking.rs index 53df0bb40b5b..a460f41b93d3 100644 --- a/library/std/src/panicking.rs +++ b/library/std/src/panicking.rs @@ -597,11 +597,7 @@ pub fn begin_panic_handler(info: &core::panic::PanicInfo<'_>) -> ! { string: Option, } - impl<'a> FormatStringPayload<'a> { - fn new(inner: &'a fmt::Arguments<'a>) -> Self { - Self { inner, string: None } - } - + impl FormatStringPayload<'_> { fn fill(&mut self) -> &mut String { use crate::fmt::Write; @@ -615,7 +611,7 @@ pub fn begin_panic_handler(info: &core::panic::PanicInfo<'_>) -> ! { } } - unsafe impl<'a> PanicPayload for FormatStringPayload<'a> { + unsafe impl PanicPayload for FormatStringPayload<'_> { fn take_box(&mut self) -> *mut (dyn Any + Send) { // We do two allocations here, unfortunately. But (a) they're required with the current // scheme, and (b) we don't handle panic + OOM properly anyway (see comment in @@ -654,7 +650,7 @@ pub fn begin_panic_handler(info: &core::panic::PanicInfo<'_>) -> ! { ); } else { rust_panic_with_hook( - &mut FormatStringPayload::new(&msg), + &mut FormatStringPayload { inner: &msg, string: None }, Some(msg), loc, info.can_unwind(), From 1642de33d3c4e59f3b4a766d0ad1abe046f0433f Mon Sep 17 00:00:00 2001 From: Mara Bos Date: Mon, 2 Oct 2023 14:17:16 +0200 Subject: [PATCH 1327/1716] Impl Display for PanicPayload to simplify things. --- library/core/src/panic.rs | 2 +- library/std/src/panicking.rs | 37 +++++++++++++++++++++++++++--------- 2 files changed, 29 insertions(+), 10 deletions(-) diff --git a/library/core/src/panic.rs b/library/core/src/panic.rs index 8771f40f9b42..c9f3702e1788 100644 --- a/library/core/src/panic.rs +++ b/library/core/src/panic.rs @@ -144,7 +144,7 @@ pub macro unreachable_2021 { /// use. #[unstable(feature = "std_internals", issue = "none")] #[doc(hidden)] -pub unsafe trait PanicPayload { +pub unsafe trait PanicPayload: crate::fmt::Display { /// Take full ownership of the contents. /// The return type is actually `Box`, but we cannot use `Box` in core. /// diff --git a/library/std/src/panicking.rs b/library/std/src/panicking.rs index a460f41b93d3..362aa8d06f33 100644 --- a/library/std/src/panicking.rs +++ b/library/std/src/panicking.rs @@ -625,6 +625,12 @@ pub fn begin_panic_handler(info: &core::panic::PanicInfo<'_>) -> ! { } } + impl fmt::Display for FormatStringPayload<'_> { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + if let Some(s) = &self.string { f.write_str(s) } else { f.write_fmt(*self.inner) } + } + } + struct StaticStrPayload(&'static str); unsafe impl PanicPayload for StaticStrPayload { @@ -637,13 +643,18 @@ pub fn begin_panic_handler(info: &core::panic::PanicInfo<'_>) -> ! { } } + impl fmt::Display for StaticStrPayload { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + f.write_str(self.0) + } + } + let loc = info.location().unwrap(); // The current implementation always returns Some let msg = info.message(); crate::sys_common::backtrace::__rust_end_short_backtrace(move || { if let Some(s) = msg.as_str() { rust_panic_with_hook( &mut StaticStrPayload(s), - Some(msg), loc, info.can_unwind(), info.force_no_backtrace(), @@ -651,7 +662,6 @@ pub fn begin_panic_handler(info: &core::panic::PanicInfo<'_>) -> ! { } else { rust_panic_with_hook( &mut FormatStringPayload { inner: &msg, string: None }, - Some(msg), loc, info.can_unwind(), info.force_no_backtrace(), @@ -681,7 +691,6 @@ pub const fn begin_panic(msg: M) -> ! { return crate::sys_common::backtrace::__rust_end_short_backtrace(move || { rust_panic_with_hook( &mut Payload::new(msg), - None, loc, /* can_unwind */ true, /* force_no_backtrace */ false, @@ -719,6 +728,15 @@ pub const fn begin_panic(msg: M) -> ! { } } } + + impl fmt::Display for Payload { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + match &self.inner { + Some(a) => f.write_str(payload_as_str(a)), + None => process::abort(), + } + } + } } fn payload_as_str(payload: &dyn Any) -> &str { @@ -738,7 +756,6 @@ fn payload_as_str(payload: &dyn Any) -> &str { /// abort or unwind. fn rust_panic_with_hook( payload: &mut dyn PanicPayload, - message: Option>, location: &Location<'_>, can_unwind: bool, force_no_backtrace: bool, @@ -765,11 +782,7 @@ fn rust_panic_with_hook( panic_count::MustAbort::AlwaysAbort => { // Unfortunately, this does not print a backtrace, because creating // a `Backtrace` will allocate, which we must avoid here. - if let Some(message) = message { - rtprintpanic!("aborting due to panic at {location}:\n{message}\n"); - } else { - rtprintpanic!("aborting due to panic at {location}\n"); - } + rtprintpanic!("aborting due to panic at {location}:\n{payload}\n"); } } crate::sys::abort_internal(); @@ -825,6 +838,12 @@ pub fn rust_panic_without_hook(payload: Box) -> ! { } } + impl fmt::Display for RewrapBox { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + f.write_str(payload_as_str(&self.0)) + } + } + rust_panic(&mut RewrapBox(payload)) } From bab26b02c78f46265d59dda4cf558918008617b2 Mon Sep 17 00:00:00 2001 From: Mara Bos Date: Mon, 2 Oct 2023 14:29:58 +0200 Subject: [PATCH 1328/1716] Reorder body of begin_panic for consistency. In the other functions, we put the struct and impl blocks first, such that the return expression can be at the end of the body as usual. --- library/std/src/panicking.rs | 28 +++++++++++----------------- 1 file changed, 11 insertions(+), 17 deletions(-) diff --git a/library/std/src/panicking.rs b/library/std/src/panicking.rs index 362aa8d06f33..15544de9ff81 100644 --- a/library/std/src/panicking.rs +++ b/library/std/src/panicking.rs @@ -687,26 +687,10 @@ pub const fn begin_panic(msg: M) -> ! { intrinsics::abort() } - let loc = Location::caller(); - return crate::sys_common::backtrace::__rust_end_short_backtrace(move || { - rust_panic_with_hook( - &mut Payload::new(msg), - loc, - /* can_unwind */ true, - /* force_no_backtrace */ false, - ) - }); - struct Payload { inner: Option, } - impl Payload { - fn new(inner: A) -> Payload { - Payload { inner: Some(inner) } - } - } - unsafe impl PanicPayload for Payload { fn take_box(&mut self) -> *mut (dyn Any + Send) { // Note that this should be the only allocation performed in this code path. Currently @@ -729,7 +713,7 @@ pub const fn begin_panic(msg: M) -> ! { } } - impl fmt::Display for Payload { + impl fmt::Display for Payload { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { match &self.inner { Some(a) => f.write_str(payload_as_str(a)), @@ -737,6 +721,16 @@ pub const fn begin_panic(msg: M) -> ! { } } } + + let loc = Location::caller(); + crate::sys_common::backtrace::__rust_end_short_backtrace(move || { + rust_panic_with_hook( + &mut Payload { inner: Some(msg) }, + loc, + /* can_unwind */ true, + /* force_no_backtrace */ false, + ) + }) } fn payload_as_str(payload: &dyn Any) -> &str { From 6b2d7c47072a466b938fac75db416c9adbf59892 Mon Sep 17 00:00:00 2001 From: Mara Bos Date: Mon, 2 Oct 2023 14:58:31 +0200 Subject: [PATCH 1329/1716] Fix invalid markdown/html. --- library/core/src/panicking.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/library/core/src/panicking.rs b/library/core/src/panicking.rs index a6e552809460..0793c1b0f29b 100644 --- a/library/core/src/panicking.rs +++ b/library/core/src/panicking.rs @@ -2,7 +2,7 @@ //! //! In core, panicking is always done with a message, resulting in a core::panic::PanicInfo //! containing a fmt::Arguments. In std, however, panicking can be done with panic_any, which throws -//! a Box containing any type of value. Because of this, std::panic::PanicInfo is a +//! a `Box` containing any type of value. Because of this, std::panic::PanicInfo is a //! different type, which contains a &dyn Any instead of a fmt::Arguments. //! std's panic handler will convert the fmt::Arguments to a &dyn Any containing either a //! &'static str or String containing the formatted message. From b6180a918538b3afa04bbc1c5515c0be2154e1b6 Mon Sep 17 00:00:00 2001 From: Mara Bos Date: Wed, 31 Jan 2024 09:35:17 +0100 Subject: [PATCH 1330/1716] Formatting. --- library/core/src/panicking.rs | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/library/core/src/panicking.rs b/library/core/src/panicking.rs index 0793c1b0f29b..94b4113b2451 100644 --- a/library/core/src/panicking.rs +++ b/library/core/src/panicking.rs @@ -101,8 +101,12 @@ pub const fn panic_nounwind_fmt(fmt: fmt::Arguments<'_>, force_no_backtrace: boo } // PanicInfo with the `can_unwind` flag set to false forces an abort. - let pi = - PanicInfo::new(fmt, Location::caller(), /* can_unwind */ false, force_no_backtrace); + let pi = PanicInfo::new( + fmt, + Location::caller(), + /* can_unwind */ false, + force_no_backtrace, + ); // SAFETY: `panic_impl` is defined in safe Rust code and thus is safe to call. unsafe { panic_impl(&pi) } From 64e56db72aa2b1f112504504a7dceba63881cdef Mon Sep 17 00:00:00 2001 From: Mara Bos Date: Wed, 31 Jan 2024 10:27:29 +0100 Subject: [PATCH 1331/1716] Rename std::panic::PanicInfo to PanicHookInfo. --- compiler/rustc_driver_impl/src/lib.rs | 9 +++--- library/core/src/error.md | 4 +-- library/core/src/panic/location.rs | 3 +- library/core/src/panic/panic_info.rs | 17 ++++------ library/core/src/panicking.rs | 12 +++---- library/std/src/panic.rs | 31 +++++++++++-------- library/std/src/panicking.rs | 25 +++++++++------ library/test/src/lib.rs | 6 ++-- tests/ui/duplicate_entry_error.rs | 4 ++- tests/ui/duplicate_entry_error.stderr | 2 +- tests/ui/panic-handler/panic-handler-std.rs | 3 +- .../ui/panic-handler/panic-handler-std.stderr | 2 +- 12 files changed, 63 insertions(+), 55 deletions(-) diff --git a/compiler/rustc_driver_impl/src/lib.rs b/compiler/rustc_driver_impl/src/lib.rs index 93a65290602a..fef4ce0b471c 100644 --- a/compiler/rustc_driver_impl/src/lib.rs +++ b/compiler/rustc_driver_impl/src/lib.rs @@ -52,7 +52,7 @@ use std::ffi::OsString; use std::fmt::Write as _; use std::fs::{self, File}; use std::io::{self, IsTerminal, Read, Write}; -use std::panic::{self, catch_unwind, PanicInfo}; +use std::panic::{self, catch_unwind, PanicHookInfo}; use std::path::PathBuf; use std::process::{self, Command, Stdio}; use std::str; @@ -1366,11 +1366,10 @@ pub fn install_ice_hook( let using_internal_features = Arc::new(std::sync::atomic::AtomicBool::default()); let using_internal_features_hook = using_internal_features.clone(); panic::update_hook(Box::new( - move |default_hook: &(dyn Fn(&PanicInfo<'_>) + Send + Sync + 'static), - info: &PanicInfo<'_>| { + move |default_hook: &(dyn Fn(&PanicHookInfo<'_>) + Send + Sync + 'static), + info: &PanicHookInfo<'_>| { // Lock stderr to prevent interleaving of concurrent panics. let _guard = io::stderr().lock(); - // If the error was caused by a broken pipe then this is not a bug. // Write the error and return immediately. See #98700. #[cfg(windows)] @@ -1431,7 +1430,7 @@ pub fn install_ice_hook( /// When `install_ice_hook` is called, this function will be called as the panic /// hook. fn report_ice( - info: &panic::PanicInfo<'_>, + info: &panic::PanicHookInfo<'_>, bug_report_url: &str, extra_info: fn(&DiagCtxt), using_internal_features: &AtomicBool, diff --git a/library/core/src/error.md b/library/core/src/error.md index a5deb71e6b80..8d5a623df4b7 100644 --- a/library/core/src/error.md +++ b/library/core/src/error.md @@ -17,7 +17,7 @@ The following are the primary interfaces of the panic system and the responsibilities they cover: * [`panic!`] and [`panic_any`] (Constructing, Propagated automatically) -* [`PanicInfo`] (Reporting) +* [`PanicHookInfo`] (Reporting) * [`set_hook`], [`take_hook`], and [`#[panic_handler]`][panic-handler] (Reporting) * [`catch_unwind`] and [`resume_unwind`] (Discarding, Propagating) @@ -125,7 +125,7 @@ expect-as-precondition style error messages remember to focus on the word should be available and executable by the current user". [`panic_any`]: ../../std/panic/fn.panic_any.html -[`PanicInfo`]: crate::panic::PanicInfo +[`PanicHookInfo`]: ../../std/panic/struct.PanicHookInfo.html [`catch_unwind`]: ../../std/panic/fn.catch_unwind.html [`resume_unwind`]: ../../std/panic/fn.resume_unwind.html [`downcast`]: crate::error::Error diff --git a/library/core/src/panic/location.rs b/library/core/src/panic/location.rs index eb27da1724ec..8c04994ac0fc 100644 --- a/library/core/src/panic/location.rs +++ b/library/core/src/panic/location.rs @@ -2,9 +2,10 @@ use crate::fmt; /// A struct containing information about the location of a panic. /// -/// This structure is created by [`PanicInfo::location()`]. +/// This structure is created by [`PanicHookInfo::location()`] and [`PanicInfo::location()`]. /// /// [`PanicInfo::location()`]: crate::panic::PanicInfo::location +/// [`PanicHookInfo::location()`]: ../../std/panic/struct.PanicHookInfo.html#method.location /// /// # Examples /// diff --git a/library/core/src/panic/panic_info.rs b/library/core/src/panic/panic_info.rs index 2a0cd8fda61b..7c792a58d2a8 100644 --- a/library/core/src/panic/panic_info.rs +++ b/library/core/src/panic/panic_info.rs @@ -5,14 +5,9 @@ use crate::panic::Location; /// /// A `PanicInfo` structure is passed to the panic handler defined by `#[panic_handler]`. /// -/// There two `PanicInfo` types: -/// - `core::panic::PanicInfo`, which is used as an argument to a `#[panic_handler]` in `#![no_std]` programs. -/// - [`std::panic::PanicInfo`], which is used as an argument to a panic hook set by [`std::panic::set_hook`]. +/// For the type used by the panic hook mechanism in `std`, see [`std::panic::PanicHookInfo`]. /// -/// This is the first one. -/// -/// [`std::panic::set_hook`]: ../../std/panic/fn.set_hook.html -/// [`std::panic::PanicInfo`]: ../../std/panic/struct.PanicInfo.html +/// [`std::panic::PanicHookInfo`]: ../../std/panic/struct.PanicHookInfo.html #[lang = "panic_info"] #[stable(feature = "panic_hooks", since = "1.10.0")] #[derive(Debug)] @@ -78,13 +73,13 @@ impl<'a> PanicInfo<'a> { /// Returns the payload associated with the panic. /// /// On `core::panic::PanicInfo`, this method never returns anything useful. - /// It only exists because of compatibility with [`std::panic::PanicInfo`], + /// It only exists because of compatibility with [`std::panic::PanicHookInfo`], /// which used to be the same type. /// - /// See [`std::panic::PanicInfo::payload`]. + /// See [`std::panic::PanicHookInfo::payload`]. /// - /// [`std::panic::PanicInfo`]: ../../std/panic/struct.PanicInfo.html - /// [`std::panic::PanicInfo::payload`]: ../../std/panic/struct.PanicInfo.html#method.payload + /// [`std::panic::PanicHookInfo`]: ../../std/panic/struct.PanicHookInfo.html + /// [`std::panic::PanicHookInfo::payload`]: ../../std/panic/struct.PanicHookInfo.html#method.payload #[deprecated(since = "1.74.0", note = "this never returns anything useful")] #[stable(feature = "panic_hooks", since = "1.10.0")] #[allow(deprecated, deprecated_in_future)] diff --git a/library/core/src/panicking.rs b/library/core/src/panicking.rs index 94b4113b2451..97fb1d6b7323 100644 --- a/library/core/src/panicking.rs +++ b/library/core/src/panicking.rs @@ -1,11 +1,11 @@ //! Panic support for core //! -//! In core, panicking is always done with a message, resulting in a core::panic::PanicInfo -//! containing a fmt::Arguments. In std, however, panicking can be done with panic_any, which throws -//! a `Box` containing any type of value. Because of this, std::panic::PanicInfo is a -//! different type, which contains a &dyn Any instead of a fmt::Arguments. -//! std's panic handler will convert the fmt::Arguments to a &dyn Any containing either a -//! &'static str or String containing the formatted message. +//! In core, panicking is always done with a message, resulting in a `core::panic::PanicInfo` +//! containing a `fmt::Arguments`. In std, however, panicking can be done with panic_any, which +//! throws a `Box` containing any type of value. Because of this, +//! `std::panic::PanicHookInfo` is a different type, which contains a `&dyn Any` instead of a +//! `fmt::Arguments`. std's panic handler will convert the `fmt::Arguments` to a `&dyn Any` +//! containing either a `&'static str` or `String` containing the formatted message. //! //! The core library cannot define any panic handler, but it can invoke it. //! This means that the functions inside of core are allowed to panic, but to be diff --git a/library/std/src/panic.rs b/library/std/src/panic.rs index ca0ec12a6009..77defe14b708 100644 --- a/library/std/src/panic.rs +++ b/library/std/src/panic.rs @@ -10,15 +10,21 @@ use crate::sync::atomic::{AtomicU8, Ordering}; use crate::sync::{Condvar, Mutex, RwLock}; use crate::thread::Result; +#[stable(feature = "panic_hooks", since = "1.10.0")] +#[deprecated( + since = "1.77.0", + note = "use `PanicHookInfo` instead", + suggestion = "std::panic::PanicHookInfo" +)] /// A struct providing information about a panic. /// -/// `PanicInfo` structure is passed to a panic hook set by the [`set_hook`] function. +/// `PanicInfo` has been renamed to [`PanicHookInfo`] to avoid confusion with +/// [`core::panic::PanicInfo`]. +pub type PanicInfo<'a> = PanicHookInfo<'a>; + +/// A struct providing information about a panic. /// -/// There two `PanicInfo` types: -/// - [`core::panic::PanicInfo`], which is used as an argument to a `#[panic_handler]` in `#![no_std]` programs. -/// - `std::panic::PanicInfo`, which is used as an argument to a panic hook set by [`set_hook`]. -/// -/// This is the second one. +/// `PanicHookInfo` structure is passed to a panic hook set by the [`set_hook`] function. /// /// # Examples /// @@ -32,18 +38,17 @@ use crate::thread::Result; /// panic!("critical system failure"); /// ``` /// -/// [`core::panic::PanicInfo`]: ../../core/panic/struct.PanicInfo.html /// [`set_hook`]: ../../std/panic/fn.set_hook.html -#[stable(feature = "panic_hooks", since = "1.10.0")] +#[stable(feature = "panic_hook_info", since = "CURRENT_RUSTC_VERSION")] #[derive(Debug)] -pub struct PanicInfo<'a> { +pub struct PanicHookInfo<'a> { payload: &'a (dyn Any + Send), location: &'a Location<'a>, can_unwind: bool, force_no_backtrace: bool, } -impl<'a> PanicInfo<'a> { +impl<'a> PanicHookInfo<'a> { #[inline] pub(crate) fn new( location: &'a Location<'a>, @@ -51,7 +56,7 @@ impl<'a> PanicInfo<'a> { can_unwind: bool, force_no_backtrace: bool, ) -> Self { - PanicInfo { payload, location, can_unwind, force_no_backtrace } + PanicHookInfo { payload, location, can_unwind, force_no_backtrace } } /// Returns the payload associated with the panic. @@ -145,7 +150,7 @@ impl<'a> PanicInfo<'a> { } #[stable(feature = "panic_hook_display", since = "1.26.0")] -impl fmt::Display for PanicInfo<'_> { +impl fmt::Display for PanicHookInfo<'_> { fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result { formatter.write_str("panicked at ")?; self.location.fmt(formatter)?; @@ -204,7 +209,7 @@ pub use core::panic::{AssertUnwindSafe, RefUnwindSafe, UnwindSafe}; /// The message can be of any (`Any + Send`) type, not just strings. /// /// The message is wrapped in a `Box<'static + Any + Send>`, which can be -/// accessed later using [`PanicInfo::payload`]. +/// accessed later using [`PanicHookInfo::payload`]. /// /// See the [`panic!`] macro for more information about panicking. #[stable(feature = "panic_any", since = "1.51.0")] diff --git a/library/std/src/panicking.rs b/library/std/src/panicking.rs index 15544de9ff81..caab7ed4b81a 100644 --- a/library/std/src/panicking.rs +++ b/library/std/src/panicking.rs @@ -9,7 +9,7 @@ #![deny(unsafe_op_in_unsafe_fn)] -use crate::panic::{BacktraceStyle, PanicInfo}; +use crate::panic::{BacktraceStyle, PanicHookInfo}; use core::panic::{Location, PanicPayload}; use crate::any::Any; @@ -70,12 +70,12 @@ extern "C" fn __rust_foreign_exception() -> ! { enum Hook { Default, - Custom(Box) + 'static + Sync + Send>), + Custom(Box) + 'static + Sync + Send>), } impl Hook { #[inline] - fn into_box(self) -> Box) + 'static + Sync + Send> { + fn into_box(self) -> Box) + 'static + Sync + Send> { match self { Hook::Default => Box::new(default_hook), Hook::Custom(hook) => hook, @@ -105,7 +105,7 @@ static HOOK: RwLock = RwLock::new(Hook::Default); /// /// [`take_hook`]: ./fn.take_hook.html /// -/// The hook is provided with a `PanicInfo` struct which contains information +/// The hook is provided with a `PanicHookInfo` struct which contains information /// about the origin of the panic, including the payload passed to `panic!` and /// the source code location from which the panic originated. /// @@ -129,7 +129,7 @@ static HOOK: RwLock = RwLock::new(Hook::Default); /// panic!("Normal panic"); /// ``` #[stable(feature = "panic_hooks", since = "1.10.0")] -pub fn set_hook(hook: Box) + 'static + Sync + Send>) { +pub fn set_hook(hook: Box) + 'static + Sync + Send>) { if thread::panicking() { panic!("cannot modify the panic hook from a panicking thread"); } @@ -173,7 +173,7 @@ pub fn set_hook(hook: Box) + 'static + Sync + Send>) { /// ``` #[must_use] #[stable(feature = "panic_hooks", since = "1.10.0")] -pub fn take_hook() -> Box) + 'static + Sync + Send> { +pub fn take_hook() -> Box) + 'static + Sync + Send> { if thread::panicking() { panic!("cannot modify the panic hook from a panicking thread"); } @@ -219,7 +219,7 @@ pub fn take_hook() -> Box) + 'static + Sync + Send> { #[unstable(feature = "panic_update_hook", issue = "92649")] pub fn update_hook(hook_fn: F) where - F: Fn(&(dyn Fn(&PanicInfo<'_>) + Send + Sync + 'static), &PanicInfo<'_>) + F: Fn(&(dyn Fn(&PanicHookInfo<'_>) + Send + Sync + 'static), &PanicHookInfo<'_>) + Sync + Send + 'static, @@ -234,7 +234,7 @@ where } /// The default panic handler. -fn default_hook(info: &PanicInfo<'_>) { +fn default_hook(info: &PanicHookInfo<'_>) { // If this is a double panic, make sure that we print a backtrace // for this panic. Otherwise only print it if logging is enabled. let backtrace = if info.force_no_backtrace() { @@ -791,10 +791,15 @@ fn rust_panic_with_hook( // formatting.) Hook::Default if panic_output().is_none() => {} Hook::Default => { - default_hook(&PanicInfo::new(location, payload.get(), can_unwind, force_no_backtrace)); + default_hook(&PanicHookInfo::new( + location, + payload.get(), + can_unwind, + force_no_backtrace, + )); } Hook::Custom(ref hook) => { - hook(&PanicInfo::new(location, payload.get(), can_unwind, force_no_backtrace)); + hook(&PanicHookInfo::new(location, payload.get(), can_unwind, force_no_backtrace)); } } diff --git a/library/test/src/lib.rs b/library/test/src/lib.rs index 7bd08a0605f8..7aff7fe1fdd6 100644 --- a/library/test/src/lib.rs +++ b/library/test/src/lib.rs @@ -58,7 +58,7 @@ use std::{ env, io, io::prelude::Write, mem::ManuallyDrop, - panic::{self, catch_unwind, AssertUnwindSafe, PanicInfo}, + panic::{self, catch_unwind, AssertUnwindSafe, PanicHookInfo}, process::{self, Command, Termination}, sync::mpsc::{channel, Sender}, sync::{Arc, Mutex}, @@ -123,7 +123,7 @@ pub fn test_main(args: &[String], tests: Vec, options: Option| { + move |info: &'_ PanicHookInfo<'_>| { if !info.can_unwind() { std::mem::forget(std::io::stderr().lock()); let mut stdout = ManuallyDrop::new(std::io::stdout().lock()); @@ -726,7 +726,7 @@ fn spawn_test_subprocess( fn run_test_in_spawned_subprocess(desc: TestDesc, runnable_test: RunnableTest) -> ! { let builtin_panic_hook = panic::take_hook(); - let record_result = Arc::new(move |panic_info: Option<&'_ PanicInfo<'_>>| { + let record_result = Arc::new(move |panic_info: Option<&'_ PanicHookInfo<'_>>| { let test_result = match panic_info { Some(info) => calc_result(&desc, Err(info.payload()), &None, &None), None => calc_result(&desc, Ok(()), &None, &None), diff --git a/tests/ui/duplicate_entry_error.rs b/tests/ui/duplicate_entry_error.rs index 7ebbab470955..8e49f57a3df9 100644 --- a/tests/ui/duplicate_entry_error.rs +++ b/tests/ui/duplicate_entry_error.rs @@ -5,7 +5,9 @@ #![feature(lang_items)] -use std::panic::PanicInfo; +extern crate core; + +use core::panic::PanicInfo; #[lang = "panic_impl"] fn panic_impl(info: &PanicInfo) -> ! { diff --git a/tests/ui/duplicate_entry_error.stderr b/tests/ui/duplicate_entry_error.stderr index 3b5998df353c..958e9c7527d8 100644 --- a/tests/ui/duplicate_entry_error.stderr +++ b/tests/ui/duplicate_entry_error.stderr @@ -1,5 +1,5 @@ error[E0152]: found duplicate lang item `panic_impl` - --> $DIR/duplicate_entry_error.rs:11:1 + --> $DIR/duplicate_entry_error.rs:13:1 | LL | / fn panic_impl(info: &PanicInfo) -> ! { LL | | diff --git a/tests/ui/panic-handler/panic-handler-std.rs b/tests/ui/panic-handler/panic-handler-std.rs index 91b3997819ce..051828ec8809 100644 --- a/tests/ui/panic-handler/panic-handler-std.rs +++ b/tests/ui/panic-handler/panic-handler-std.rs @@ -1,8 +1,9 @@ //@ normalize-stderr-test "loaded from .*libstd-.*.rlib" -> "loaded from SYSROOT/libstd-*.rlib" //@ error-pattern: found duplicate lang item `panic_impl` +extern crate core; -use std::panic::PanicInfo; +use core::panic::PanicInfo; #[panic_handler] fn panic(info: PanicInfo) -> ! { diff --git a/tests/ui/panic-handler/panic-handler-std.stderr b/tests/ui/panic-handler/panic-handler-std.stderr index 48c216ce27ec..caae16118ef7 100644 --- a/tests/ui/panic-handler/panic-handler-std.stderr +++ b/tests/ui/panic-handler/panic-handler-std.stderr @@ -1,5 +1,5 @@ error[E0152]: found duplicate lang item `panic_impl` - --> $DIR/panic-handler-std.rs:8:1 + --> $DIR/panic-handler-std.rs:9:1 | LL | / fn panic(info: PanicInfo) -> ! { LL | | loop {} From 3854357ad2c164a87f7e625874d4cdc3ccd9cc33 Mon Sep 17 00:00:00 2001 From: Mara Bos Date: Wed, 31 Jan 2024 10:28:00 +0100 Subject: [PATCH 1332/1716] Fix deprecation version. --- library/core/src/panic/panic_info.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/library/core/src/panic/panic_info.rs b/library/core/src/panic/panic_info.rs index 7c792a58d2a8..df8f441bf353 100644 --- a/library/core/src/panic/panic_info.rs +++ b/library/core/src/panic/panic_info.rs @@ -80,7 +80,7 @@ impl<'a> PanicInfo<'a> { /// /// [`std::panic::PanicHookInfo`]: ../../std/panic/struct.PanicHookInfo.html /// [`std::panic::PanicHookInfo::payload`]: ../../std/panic/struct.PanicHookInfo.html#method.payload - #[deprecated(since = "1.74.0", note = "this never returns anything useful")] + #[deprecated(since = "1.77.0", note = "this never returns anything useful")] #[stable(feature = "panic_hooks", since = "1.10.0")] #[allow(deprecated, deprecated_in_future)] pub fn payload(&self) -> &(dyn crate::any::Any + Send) { From f5fe82fdcab33b4137b94014f05dd2986ea396ba Mon Sep 17 00:00:00 2001 From: Mara Bos Date: Wed, 31 Jan 2024 11:32:53 +0100 Subject: [PATCH 1333/1716] Move deprecation of std::panic::PanicInfo to 1.80.0. --- library/std/src/panic.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/library/std/src/panic.rs b/library/std/src/panic.rs index 77defe14b708..0f999f6a93e4 100644 --- a/library/std/src/panic.rs +++ b/library/std/src/panic.rs @@ -12,7 +12,7 @@ use crate::thread::Result; #[stable(feature = "panic_hooks", since = "1.10.0")] #[deprecated( - since = "1.77.0", + since = "1.80.0", note = "use `PanicHookInfo` instead", suggestion = "std::panic::PanicHookInfo" )] From ce0bc8bd588f9a2a4ba149ae6a9d3490f401c376 Mon Sep 17 00:00:00 2001 From: Mara Bos Date: Thu, 16 May 2024 11:49:55 +0200 Subject: [PATCH 1334/1716] Downcast panic payload to String too in example. --- library/std/src/panic.rs | 2 ++ 1 file changed, 2 insertions(+) diff --git a/library/std/src/panic.rs b/library/std/src/panic.rs index 0f999f6a93e4..51228cc99075 100644 --- a/library/std/src/panic.rs +++ b/library/std/src/panic.rs @@ -73,6 +73,8 @@ impl<'a> PanicHookInfo<'a> { /// panic::set_hook(Box::new(|panic_info| { /// if let Some(s) = panic_info.payload().downcast_ref::<&str>() { /// println!("panic occurred: {s:?}"); + /// } else if let Some(s) = panic_info.payload().downcast_ref::() { + /// println!("panic occurred: {s:?}"); /// } else { /// println!("panic occurred"); /// } From 32bfe703e2f8b5062a769aa1b3467c80d5bb0b95 Mon Sep 17 00:00:00 2001 From: Mara Bos Date: Thu, 16 May 2024 11:54:11 +0200 Subject: [PATCH 1335/1716] Add note on panic payload type. --- library/std/src/panic.rs | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/library/std/src/panic.rs b/library/std/src/panic.rs index 51228cc99075..d5566caa369c 100644 --- a/library/std/src/panic.rs +++ b/library/std/src/panic.rs @@ -63,6 +63,13 @@ impl<'a> PanicHookInfo<'a> { /// /// This will commonly, but not always, be a `&'static str` or [`String`]. /// + /// A invocation of the `panic!()` macro in Rust 2021 or later will always result in a + /// panic payload of type `&'static str` or `String`. + /// + /// Only an invocation of [`panic_any`] + /// (or, in Rust 2018 and earlier, `panic!(x)` where `x` is something other than a string) + /// can result in a panic payload other than a `&'static str` or `String`. + /// /// [`String`]: ../../std/string/struct.String.html /// /// # Examples From 877a26f6c9cbd9878ea08c94cd5a698a53556511 Mon Sep 17 00:00:00 2001 From: Mara Bos Date: Thu, 16 May 2024 12:58:46 +0200 Subject: [PATCH 1336/1716] Mention core's PanicInfo in error.md. --- library/core/src/error.md | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/library/core/src/error.md b/library/core/src/error.md index 8d5a623df4b7..4b62391cafc3 100644 --- a/library/core/src/error.md +++ b/library/core/src/error.md @@ -17,8 +17,8 @@ The following are the primary interfaces of the panic system and the responsibilities they cover: * [`panic!`] and [`panic_any`] (Constructing, Propagated automatically) -* [`PanicHookInfo`] (Reporting) -* [`set_hook`], [`take_hook`], and [`#[panic_handler]`][panic-handler] (Reporting) +* [`set_hook`], [`take_hook`], and [`PanicHookInfo`] (Reporting) +* [`#[panic_handler]`][panic-handler] and [`PanicInfo`] (Reporting in no_std) * [`catch_unwind`] and [`resume_unwind`] (Discarding, Propagating) The following are the primary interfaces of the error system and the @@ -126,6 +126,7 @@ should be available and executable by the current user". [`panic_any`]: ../../std/panic/fn.panic_any.html [`PanicHookInfo`]: ../../std/panic/struct.PanicHookInfo.html +[`PanicInfo`]: crate::panic::PanicInfo [`catch_unwind`]: ../../std/panic/fn.catch_unwind.html [`resume_unwind`]: ../../std/panic/fn.resume_unwind.html [`downcast`]: crate::error::Error From fb0990d1e1e67a512930665bf7df5fb91f55982c Mon Sep 17 00:00:00 2001 From: Mara Bos Date: Thu, 16 May 2024 12:59:09 +0200 Subject: [PATCH 1337/1716] Fix display of panic message in recursive panic. --- library/core/src/panic.rs | 5 +++++ library/std/src/panicking.rs | 15 ++++++--------- 2 files changed, 11 insertions(+), 9 deletions(-) diff --git a/library/core/src/panic.rs b/library/core/src/panic.rs index c9f3702e1788..b5a0932221ad 100644 --- a/library/core/src/panic.rs +++ b/library/core/src/panic.rs @@ -157,4 +157,9 @@ pub unsafe trait PanicPayload: crate::fmt::Display { /// Just borrow the contents. fn get(&mut self) -> &(dyn Any + Send); + + /// Try to borrow the contents as `&str`, if possible without doing any allocations. + fn as_str(&mut self) -> Option<&str> { + None + } } diff --git a/library/std/src/panicking.rs b/library/std/src/panicking.rs index caab7ed4b81a..e4d2ee7d9868 100644 --- a/library/std/src/panicking.rs +++ b/library/std/src/panicking.rs @@ -641,6 +641,10 @@ pub fn begin_panic_handler(info: &core::panic::PanicInfo<'_>) -> ! { fn get(&mut self) -> &(dyn Any + Send) { &self.0 } + + fn as_str(&mut self) -> Option<&str> { + Some(self.0) + } } impl fmt::Display for StaticStrPayload { @@ -763,15 +767,8 @@ fn rust_panic_with_hook( // Don't try to format the message in this case, perhaps that is causing the // recursive panics. However if the message is just a string, no user-defined // code is involved in printing it, so that is risk-free. - let msg_str = message.and_then(|m| m.as_str()).map(|m| [m]); - let message = msg_str.as_ref().map(|m| fmt::Arguments::new_const(m)); - let panicinfo = PanicInfo::internal_constructor( - message.as_ref(), - location, - can_unwind, - force_no_backtrace, - ); - rtprintpanic!("{panicinfo}\nthread panicked while processing panic. aborting.\n"); + let message: &str = payload.as_str().unwrap_or_default(); + rtprintpanic!("panicked at {location}:\n{message}\nthread panicked while processing panic. aborting.\n"); } panic_count::MustAbort::AlwaysAbort => { // Unfortunately, this does not print a backtrace, because creating From de07c1a928b3a1e6e12946c9d9d0ff47c2310ead Mon Sep 17 00:00:00 2001 From: Mara Bos Date: Thu, 16 May 2024 13:08:27 +0200 Subject: [PATCH 1338/1716] Add PanicHookInfo::payload_as_str(). --- library/std/src/panic.rs | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/library/std/src/panic.rs b/library/std/src/panic.rs index d5566caa369c..f1b45b186305 100644 --- a/library/std/src/panic.rs +++ b/library/std/src/panic.rs @@ -96,6 +96,45 @@ impl<'a> PanicHookInfo<'a> { self.payload } + /// Returns the payload associated with the panic, if it is a string. + /// + /// This returns the payload if it is of type `&'static str` or `String`. + /// + /// A invocation of the `panic!()` macro in Rust 2021 or later will always result in a + /// panic payload where `payload_as_str` returns `Some`. + /// + /// Only an invocation of [`panic_any`] + /// (or, in Rust 2018 and earlier, `panic!(x)` where `x` is something other than a string) + /// can result in a panic payload where `payload_as_str` returns `None`. + /// + /// # Example + /// + /// ```should_panic + /// #![feature(panic_payload_as_str)] + /// + /// std::panic::set_hook(Box::new(|panic_info| { + /// if let Some(s) = panic_info.payload_as_str() { + /// println!("panic occurred: {s:?}"); + /// } else { + /// println!("panic occurred"); + /// } + /// })); + /// + /// panic!("Normal panic"); + /// ``` + #[must_use] + #[inline] + #[unstable(feature = "panic_payload_as_str", issue = "125175")] + pub fn payload_as_str(&self) -> Option<&str> { + if let Some(s) = self.payload.downcast_ref::<&str>() { + Some(s) + } else if let Some(s) = self.payload.downcast_ref::() { + Some(s) + } else { + None + } + } + /// Returns information about the location from which the panic originated, /// if available. /// From a345c3daf65857fb12926c3c5f4c9d8e2ca00f00 Mon Sep 17 00:00:00 2001 From: Mara Bos Date: Thu, 16 May 2024 13:08:40 +0200 Subject: [PATCH 1339/1716] Bump deprecation of std's PanicInfo alias to 1.82.0. --- library/std/src/panic.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/library/std/src/panic.rs b/library/std/src/panic.rs index f1b45b186305..5282c00fccaf 100644 --- a/library/std/src/panic.rs +++ b/library/std/src/panic.rs @@ -12,7 +12,7 @@ use crate::thread::Result; #[stable(feature = "panic_hooks", since = "1.10.0")] #[deprecated( - since = "1.80.0", + since = "1.82.0", note = "use `PanicHookInfo` instead", suggestion = "std::panic::PanicHookInfo" )] From a6e23b126b925b270663436a1d2f4d24cc5f4711 Mon Sep 17 00:00:00 2001 From: Mara Bos Date: Tue, 11 Jun 2024 15:46:15 +0200 Subject: [PATCH 1340/1716] Formatting. --- library/std/src/panicking.rs | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/library/std/src/panicking.rs b/library/std/src/panicking.rs index e4d2ee7d9868..8fd8134c1114 100644 --- a/library/std/src/panicking.rs +++ b/library/std/src/panicking.rs @@ -768,7 +768,9 @@ fn rust_panic_with_hook( // recursive panics. However if the message is just a string, no user-defined // code is involved in printing it, so that is risk-free. let message: &str = payload.as_str().unwrap_or_default(); - rtprintpanic!("panicked at {location}:\n{message}\nthread panicked while processing panic. aborting.\n"); + rtprintpanic!( + "panicked at {location}:\n{message}\nthread panicked while processing panic. aborting.\n" + ); } panic_count::MustAbort::AlwaysAbort => { // Unfortunately, this does not print a backtrace, because creating From c84afee89851f0d0d5089d64d35225a6adb28453 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Thu, 6 Jun 2024 20:47:00 +0200 Subject: [PATCH 1341/1716] Implement fs wrapper for run_make_support --- src/tools/run-make-support/src/fs_wrapper.rs | 113 ++++++++++++++++++ src/tools/run-make-support/src/lib.rs | 22 ++-- tests/run-make/CURRENT_RUSTC_VERSION/rmake.rs | 4 +- tests/run-make/c-link-to-rust-dylib/rmake.rs | 8 +- .../c-link-to-rust-staticlib/rmake.rs | 3 +- tests/run-make/cdylib/rmake.rs | 6 +- tests/run-make/compiler-builtins/rmake.rs | 6 +- tests/run-make/const-prop-lint/rmake.rs | 6 +- .../run-make/doctests-keep-binaries/rmake.rs | 8 +- tests/run-make/doctests-runtool/rmake.rs | 4 +- tests/run-make/emit-named-files/rmake.rs | 5 +- .../incr-prev-body-beyond-eof/rmake.rs | 11 +- .../issue-107495-archive-permissions/rmake.rs | 6 +- tests/run-make/mixing-formats/rmake.rs | 1 - tests/run-make/non-unicode-env/rmake.rs | 3 +- .../non-unicode-in-incremental-dir/rmake.rs | 6 +- tests/run-make/print-cfg/rmake.rs | 4 +- tests/run-make/print-to-output/rmake.rs | 4 +- tests/run-make/repr128-dwarf/rmake.rs | 5 +- tests/run-make/reset-codegen-1/rmake.rs | 14 ++- tests/run-make/resolve-rename/rmake.rs | 5 +- .../rustdoc-scrape-examples-remap/scrape.rs | 6 +- tests/run-make/rustdoc-test-args/rmake.rs | 6 +- tests/run-make/rustdoc-themes/rmake.rs | 12 +- .../rustdoc-verify-output-files/rmake.rs | 4 +- tests/run-make/wasm-custom-section/rmake.rs | 4 +- .../wasm-custom-sections-opt/rmake.rs | 6 +- .../run-make/wasm-export-all-symbols/rmake.rs | 4 +- tests/run-make/wasm-import-module/rmake.rs | 4 +- tests/run-make/wasm-panic-small/rmake.rs | 4 +- tests/run-make/wasm-spurious-import/rmake.rs | 4 +- .../wasm-stringify-ints-small/rmake.rs | 4 +- .../wasm-symbols-different-module/rmake.rs | 4 +- .../wasm-symbols-not-exported/rmake.rs | 4 +- .../wasm-symbols-not-imported/rmake.rs | 4 +- tests/run-make/windows-ws2_32/rmake.rs | 5 +- 36 files changed, 211 insertions(+), 108 deletions(-) create mode 100644 src/tools/run-make-support/src/fs_wrapper.rs diff --git a/src/tools/run-make-support/src/fs_wrapper.rs b/src/tools/run-make-support/src/fs_wrapper.rs new file mode 100644 index 000000000000..8a2bfce8b4a7 --- /dev/null +++ b/src/tools/run-make-support/src/fs_wrapper.rs @@ -0,0 +1,113 @@ +use std::fs; +use std::path::Path; + +/// A wrapper around [`std::fs::remove_file`] which includes the file path in the panic message.. +#[track_caller] +pub fn remove_file>(path: P) { + fs::remove_file(path.as_ref()) + .expect(&format!("the file in path \"{}\" could not be removed", path.as_ref().display())); +} + +/// A wrapper around [`std::fs::copy`] which includes the file path in the panic message. +#[track_caller] +pub fn copy, Q: AsRef>(from: P, to: Q) { + fs::copy(from.as_ref(), to.as_ref()).expect(&format!( + "the file \"{}\" could not be copied over to \"{}\"", + from.as_ref().display(), + to.as_ref().display(), + )); +} + +/// A wrapper around [`std::fs::File::create`] which includes the file path in the panic message.. +#[track_caller] +pub fn create_file>(path: P) { + fs::File::create(path.as_ref()) + .expect(&format!("the file in path \"{}\" could not be created", path.as_ref().display())); +} + +/// A wrapper around [`std::fs::read`] which includes the file path in the panic message.. +#[track_caller] +pub fn read>(path: P) -> Vec { + fs::read(path.as_ref()) + .expect(&format!("the file in path \"{}\" could not be read", path.as_ref().display())) +} + +/// A wrapper around [`std::fs::read_to_string`] which includes the file path in the panic message.. +#[track_caller] +pub fn read_to_string>(path: P) -> String { + fs::read_to_string(path.as_ref()).expect(&format!( + "the file in path \"{}\" could not be read into a String", + path.as_ref().display() + )) +} + +/// A wrapper around [`std::fs::read_dir`] which includes the file path in the panic message.. +#[track_caller] +pub fn read_dir>(path: P) -> fs::ReadDir { + fs::read_dir(path.as_ref()) + .expect(&format!("the directory in path \"{}\" could not be read", path.as_ref().display())) +} + +/// A wrapper around [`std::fs::write`] which includes the file path in the panic message.. +#[track_caller] +pub fn write, C: AsRef<[u8]>>(path: P, contents: C) { + fs::write(path.as_ref(), contents.as_ref()).expect(&format!( + "the file in path \"{}\" could not be written to", + path.as_ref().display() + )); +} + +/// A wrapper around [`std::fs::remove_dir_all`] which includes the file path in the panic message.. +#[track_caller] +pub fn remove_dir_all>(path: P) { + fs::remove_dir_all(path.as_ref()).expect(&format!( + "the directory in path \"{}\" could not be removed alongside all its contents", + path.as_ref().display(), + )); +} + +/// A wrapper around [`std::fs::create_dir`] which includes the file path in the panic message.. +#[track_caller] +pub fn create_dir>(path: P) { + fs::create_dir(path.as_ref()).expect(&format!( + "the directory in path \"{}\" could not be created", + path.as_ref().display() + )); +} + +/// A wrapper around [`std::fs::create_dir_all`] which includes the file path in the panic message.. +#[track_caller] +pub fn create_dir_all>(path: P) { + fs::create_dir_all(path.as_ref()).expect(&format!( + "the directory (and all its parents) in path \"{}\" could not be created", + path.as_ref().display() + )); +} + +/// A wrapper around [`std::fs::metadata`] which includes the file path in the panic message.. +#[track_caller] +pub fn metadata>(path: P) -> fs::Metadata { + fs::metadata(path.as_ref()).expect(&format!( + "the file's metadata in path \"{}\" could not be read", + path.as_ref().display() + )) +} + +/// A wrapper around [`std::fs::rename`] which includes the file path in the panic message. +#[track_caller] +pub fn rename, Q: AsRef>(from: P, to: Q) { + fs::rename(from.as_ref(), to.as_ref()).expect(&format!( + "the file \"{}\" could not be moved over to \"{}\"", + from.as_ref().display(), + to.as_ref().display(), + )); +} + +/// A wrapper around [`std::fs::set_permissions`] which includes the file path in the panic message. +#[track_caller] +pub fn set_permissions>(path: P, perm: fs::Permissions) { + fs::set_permissions(path.as_ref(), perm).expect(&format!( + "the file's permissions in path \"{}\" could not be changed", + path.as_ref().display() + )); +} diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index bf74d94f9118..db6ca2b35db3 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -8,6 +8,7 @@ pub mod clang; mod command; pub mod diff; mod drop_bomb; +pub mod fs_wrapper; pub mod llvm_readobj; pub mod run; pub mod rustc; @@ -148,7 +149,7 @@ pub fn dynamic_lib_extension() -> &'static str { } } -/// Construct a rust library (rlib) name. +/// Generate the name a rust library (rlib) would have. pub fn rust_lib_name(name: &str) -> String { format!("lib{name}.rlib") } @@ -223,15 +224,15 @@ pub fn copy_dir_all(src: impl AsRef, dst: impl AsRef) { fn copy_dir_all_inner(src: impl AsRef, dst: impl AsRef) -> io::Result<()> { let dst = dst.as_ref(); if !dst.is_dir() { - fs::create_dir_all(&dst)?; + std::fs::create_dir_all(&dst)?; } - for entry in fs::read_dir(src)? { + for entry in std::fs::read_dir(src)? { let entry = entry?; let ty = entry.file_type()?; if ty.is_dir() { copy_dir_all_inner(entry.path(), dst.join(entry.file_name()))?; } else { - fs::copy(entry.path(), dst.join(entry.file_name()))?; + std::fs::copy(entry.path(), dst.join(entry.file_name()))?; } } Ok(()) @@ -250,13 +251,6 @@ pub fn copy_dir_all(src: impl AsRef, dst: impl AsRef) { /// Check that all files in `dir1` exist and have the same content in `dir2`. Panic otherwise. pub fn recursive_diff(dir1: impl AsRef, dir2: impl AsRef) { - fn read_file(path: &Path) -> Vec { - match fs::read(path) { - Ok(c) => c, - Err(e) => panic!("Failed to read `{}`: {:?}", path.display(), e), - } - } - let dir2 = dir2.as_ref(); read_dir(dir1, |entry_path| { let entry_name = entry_path.file_name().unwrap(); @@ -264,8 +258,8 @@ pub fn recursive_diff(dir1: impl AsRef, dir2: impl AsRef) { recursive_diff(&entry_path, &dir2.join(entry_name)); } else { let path2 = dir2.join(entry_name); - let file1 = read_file(&entry_path); - let file2 = read_file(&path2); + let file1 = fs_wrapper::read(&entry_path); + let file2 = fs_wrapper::read(&path2); // We don't use `assert_eq!` because they are `Vec`, so not great for display. // Why not using String? Because there might be minified files or even potentially @@ -281,7 +275,7 @@ pub fn recursive_diff(dir1: impl AsRef, dir2: impl AsRef) { } pub fn read_dir(dir: impl AsRef, callback: F) { - for entry in fs::read_dir(dir).unwrap() { + for entry in fs_wrapper::read_dir(dir) { callback(&entry.unwrap().path()); } } diff --git a/tests/run-make/CURRENT_RUSTC_VERSION/rmake.rs b/tests/run-make/CURRENT_RUSTC_VERSION/rmake.rs index f913aedcde75..b3227b795598 100644 --- a/tests/run-make/CURRENT_RUSTC_VERSION/rmake.rs +++ b/tests/run-make/CURRENT_RUSTC_VERSION/rmake.rs @@ -5,7 +5,7 @@ use std::path::PathBuf; -use run_make_support::{aux_build, rustc, source_root}; +use run_make_support::{aux_build, fs_wrapper, rustc, source_root}; fn main() { aux_build().input("stable.rs").emit("metadata").run(); @@ -13,7 +13,7 @@ fn main() { let output = rustc().input("main.rs").emit("metadata").extern_("stable", "libstable.rmeta").run(); - let version = std::fs::read_to_string(source_root().join("src/version")).unwrap(); + let version = fs_wrapper::read_to_string(source_root().join("src/version")); let expected_string = format!("stable since {}", version.trim()); output.assert_stderr_contains(expected_string); } diff --git a/tests/run-make/c-link-to-rust-dylib/rmake.rs b/tests/run-make/c-link-to-rust-dylib/rmake.rs index ec42e88032da..b8ea0b6b345b 100644 --- a/tests/run-make/c-link-to-rust-dylib/rmake.rs +++ b/tests/run-make/c-link-to-rust-dylib/rmake.rs @@ -3,9 +3,9 @@ //@ ignore-cross-compile -use std::fs::remove_file; - -use run_make_support::{cc, cwd, dynamic_lib_extension, is_msvc, read_dir, run, run_fail, rustc}; +use run_make_support::{ + cc, cwd, dynamic_lib_extension, fs_wrapper, is_msvc, read_dir, run, run_fail, rustc, +}; fn main() { rustc().input("foo.rs").run(); @@ -28,7 +28,7 @@ fn main() { name.ends_with(".so") || name.ends_with(".dll") || name.ends_with(".dylib") }) { - remove_file(path).unwrap(); + fs_wrapper::remove_file(path); } }); run_fail("bar"); diff --git a/tests/run-make/c-link-to-rust-staticlib/rmake.rs b/tests/run-make/c-link-to-rust-staticlib/rmake.rs index ca28944a0264..2edd36b9ec0b 100644 --- a/tests/run-make/c-link-to-rust-staticlib/rmake.rs +++ b/tests/run-make/c-link-to-rust-staticlib/rmake.rs @@ -3,6 +3,7 @@ //@ ignore-cross-compile +use run_make_support::fs_wrapper::remove_file; use run_make_support::{cc, extra_c_flags, run, rustc, static_lib_name}; use std::fs; @@ -10,6 +11,6 @@ fn main() { rustc().input("foo.rs").run(); cc().input("bar.c").input(static_lib_name("foo")).out_exe("bar").args(&extra_c_flags()).run(); run("bar"); - fs::remove_file(static_lib_name("foo")); + remove_file(static_lib_name("foo")); run("bar"); } diff --git a/tests/run-make/cdylib/rmake.rs b/tests/run-make/cdylib/rmake.rs index 81166867b790..55ea227ab519 100644 --- a/tests/run-make/cdylib/rmake.rs +++ b/tests/run-make/cdylib/rmake.rs @@ -10,9 +10,7 @@ //@ ignore-cross-compile -use std::fs::remove_file; - -use run_make_support::{cc, cwd, dynamic_lib_name, is_msvc, run, rustc}; +use run_make_support::{cc, cwd, dynamic_lib_name, fs_wrapper, is_msvc, run, rustc}; fn main() { rustc().input("bar.rs").run(); @@ -25,7 +23,7 @@ fn main() { } run("foo"); - remove_file(dynamic_lib_name("foo")).unwrap(); + fs_wrapper::remove_file(dynamic_lib_name("foo")); rustc().input("foo.rs").arg("-Clto").run(); run("foo"); diff --git a/tests/run-make/compiler-builtins/rmake.rs b/tests/run-make/compiler-builtins/rmake.rs index a102e5b33900..10ff9cd282d8 100644 --- a/tests/run-make/compiler-builtins/rmake.rs +++ b/tests/run-make/compiler-builtins/rmake.rs @@ -14,6 +14,7 @@ #![deny(warnings)] +use run_make_support::fs_wrapper::{read, read_dir}; use run_make_support::object::read::archive::ArchiveFile; use run_make_support::object::read::Object; use run_make_support::object::ObjectSection; @@ -55,8 +56,7 @@ fn main() { cmd.run(); let rlibs_path = target_dir.join(target).join("debug").join("deps"); - let compiler_builtins_rlib = std::fs::read_dir(rlibs_path) - .unwrap() + let compiler_builtins_rlib = read_dir(rlibs_path) .find_map(|e| { let path = e.unwrap().path(); let file_name = path.file_name().unwrap().to_str().unwrap(); @@ -70,7 +70,7 @@ fn main() { // rlib files are archives, where the archive members each a CGU, and we also have one called // lib.rmeta which is the encoded metadata. Each of the CGUs is an object file. - let data = std::fs::read(compiler_builtins_rlib).unwrap(); + let data = read(compiler_builtins_rlib); let mut defined_symbols = HashSet::new(); let mut undefined_relocations = HashSet::new(); diff --git a/tests/run-make/const-prop-lint/rmake.rs b/tests/run-make/const-prop-lint/rmake.rs index c35294f2f5af..d194f70d9169 100644 --- a/tests/run-make/const-prop-lint/rmake.rs +++ b/tests/run-make/const-prop-lint/rmake.rs @@ -1,13 +1,11 @@ // Tests that const prop lints interrupting codegen don't leave `.o` files around. -use std::fs; - -use run_make_support::{cwd, rustc}; +use run_make_support::{cwd, fs_wrapper, rustc}; fn main() { rustc().input("input.rs").run_fail().assert_exit_code(1); - for entry in fs::read_dir(cwd()).unwrap() { + for entry in fs_wrapper::read_dir(cwd()) { let entry = entry.unwrap(); let path = entry.path(); diff --git a/tests/run-make/doctests-keep-binaries/rmake.rs b/tests/run-make/doctests-keep-binaries/rmake.rs index 5bc9480e4a39..e48c8a0cef35 100644 --- a/tests/run-make/doctests-keep-binaries/rmake.rs +++ b/tests/run-make/doctests-keep-binaries/rmake.rs @@ -1,13 +1,13 @@ // Check that valid binaries are persisted by running them, regardless of whether the // --run or --no-run option is used. +use run_make_support::fs_wrapper::{create_dir, remove_dir_all}; use run_make_support::{run, rustc, rustdoc}; -use std::fs::{create_dir, remove_dir_all}; use std::path::Path; fn setup_test_env(callback: F) { let out_dir = Path::new("doctests"); - create_dir(&out_dir).expect("failed to create doctests folder"); + create_dir(&out_dir); rustc().input("t.rs").crate_type("rlib").run(); callback(&out_dir, Path::new("libt.rlib")); remove_dir_all(out_dir); @@ -43,9 +43,9 @@ fn main() { check_generated_binaries(); }); // Behavior with --test-run-directory with relative paths. - setup_test_env(|_out_dir, extern_path| { + setup_test_env(|_out_dir, _extern_path| { let run_dir_path = Path::new("rundir"); - create_dir(&run_dir_path).expect("failed to create rundir folder"); + create_dir(&run_dir_path); rustdoc() .input("t.rs") diff --git a/tests/run-make/doctests-runtool/rmake.rs b/tests/run-make/doctests-runtool/rmake.rs index 6a7a931249e8..5208730d336d 100644 --- a/tests/run-make/doctests-runtool/rmake.rs +++ b/tests/run-make/doctests-runtool/rmake.rs @@ -1,12 +1,12 @@ // Tests behavior of rustdoc `--runtool`. +use run_make_support::fs_wrapper::{create_dir, remove_dir_all}; use run_make_support::{rustc, rustdoc}; -use std::fs::{create_dir, remove_dir_all}; use std::path::PathBuf; fn mkdir(name: &str) -> PathBuf { let dir = PathBuf::from(name); - create_dir(&dir).expect("failed to create doctests folder"); + create_dir(&dir); dir } diff --git a/tests/run-make/emit-named-files/rmake.rs b/tests/run-make/emit-named-files/rmake.rs index c4b7b9aebf6c..79c3ee90c987 100644 --- a/tests/run-make/emit-named-files/rmake.rs +++ b/tests/run-make/emit-named-files/rmake.rs @@ -1,7 +1,6 @@ -use std::fs::create_dir; use std::path::Path; -use run_make_support::rustc; +use run_make_support::{fs_wrapper, rustc}; fn emit_and_check(out_dir: &Path, out_file: &str, format: &str) { let out_file = out_dir.join(out_file); @@ -12,7 +11,7 @@ fn emit_and_check(out_dir: &Path, out_file: &str, format: &str) { fn main() { let out_dir = Path::new("emit"); - create_dir(&out_dir).unwrap(); + fs_wrapper::create_dir(&out_dir); emit_and_check(&out_dir, "libfoo.s", "asm"); emit_and_check(&out_dir, "libfoo.bc", "llvm-bc"); diff --git a/tests/run-make/incr-prev-body-beyond-eof/rmake.rs b/tests/run-make/incr-prev-body-beyond-eof/rmake.rs index ccb1f95275e2..e6d6ae95aaaf 100644 --- a/tests/run-make/incr-prev-body-beyond-eof/rmake.rs +++ b/tests/run-make/incr-prev-body-beyond-eof/rmake.rs @@ -13,15 +13,14 @@ //@ ignore-nvptx64-nvidia-cuda // FIXME: can't find crate for `std` +use run_make_support::fs_wrapper as fs; use run_make_support::rustc; -use std::fs; fn main() { - // FIXME(Oneirical): Use run_make_support::fs_wrapper here. - fs::create_dir("src").unwrap(); - fs::create_dir("incr").unwrap(); - fs::copy("a.rs", "src/main.rs").unwrap(); + fs::create_dir("src"); + fs::create_dir("incr"); + fs::copy("a.rs", "src/main.rs"); rustc().incremental("incr").input("src/main.rs").run(); - fs::copy("b.rs", "src/main.rs").unwrap(); + fs::copy("b.rs", "src/main.rs"); rustc().incremental("incr").input("src/main.rs").run(); } diff --git a/tests/run-make/issue-107495-archive-permissions/rmake.rs b/tests/run-make/issue-107495-archive-permissions/rmake.rs index 72ceb10c5911..ee281fe0a5f0 100644 --- a/tests/run-make/issue-107495-archive-permissions/rmake.rs +++ b/tests/run-make/issue-107495-archive-permissions/rmake.rs @@ -3,8 +3,8 @@ #[cfg(unix)] extern crate libc; -use run_make_support::aux_build; -use std::fs; +use run_make_support::{aux_build, fs_wrapper}; + #[cfg(unix)] use std::os::unix::fs::PermissionsExt; use std::path::Path; @@ -20,7 +20,7 @@ fn main() { } fn verify(path: &Path) { - let perm = fs::metadata(path).unwrap().permissions(); + let perm = fs_wrapper::metadata(path).permissions(); assert!(!perm.readonly()); diff --git a/tests/run-make/mixing-formats/rmake.rs b/tests/run-make/mixing-formats/rmake.rs index 9cbff94f6701..968d75b10f7d 100644 --- a/tests/run-make/mixing-formats/rmake.rs +++ b/tests/run-make/mixing-formats/rmake.rs @@ -13,7 +13,6 @@ //@ ignore-cross-compile use run_make_support::{run_in_tmpdir, rustc}; -use std::fs; fn main() { run_in_tmpdir(|| { diff --git a/tests/run-make/non-unicode-env/rmake.rs b/tests/run-make/non-unicode-env/rmake.rs index ed40d7a6d7f0..bffd9477f8fe 100644 --- a/tests/run-make/non-unicode-env/rmake.rs +++ b/tests/run-make/non-unicode-env/rmake.rs @@ -1,3 +1,4 @@ +use run_make_support::fs_wrapper; use run_make_support::rustc; fn main() { @@ -6,6 +7,6 @@ fn main() { #[cfg(windows)] let non_unicode: std::ffi::OsString = std::os::windows::ffi::OsStringExt::from_wide(&[0xD800]); let output = rustc().input("non_unicode_env.rs").env("NON_UNICODE_VAR", non_unicode).run_fail(); - let expected = std::fs::read_to_string("non_unicode_env.stderr").unwrap(); + let expected = fs_wrapper::read_to_string("non_unicode_env.stderr"); output.assert_stderr_equals(expected); } diff --git a/tests/run-make/non-unicode-in-incremental-dir/rmake.rs b/tests/run-make/non-unicode-in-incremental-dir/rmake.rs index ba1bd4487439..895d9e00a2d4 100644 --- a/tests/run-make/non-unicode-in-incremental-dir/rmake.rs +++ b/tests/run-make/non-unicode-in-incremental-dir/rmake.rs @@ -1,4 +1,4 @@ -use run_make_support::rustc; +use run_make_support::{fs_wrapper, rustc}; fn main() { #[cfg(unix)] @@ -17,8 +17,8 @@ fn main() { } let incr_dir = "incr-dir"; rustc().input("foo.rs").incremental(&incr_dir).run(); - for crate_dir in std::fs::read_dir(&incr_dir).unwrap() { - std::fs::create_dir(crate_dir.unwrap().path().join(&non_unicode)).unwrap(); + for crate_dir in fs_wrapper::read_dir(&incr_dir) { + fs_wrapper::create_dir(crate_dir.unwrap().path().join(&non_unicode)); } rustc().input("foo.rs").incremental(&incr_dir).run(); } diff --git a/tests/run-make/print-cfg/rmake.rs b/tests/run-make/print-cfg/rmake.rs index f382d952db47..d11eda1db2ae 100644 --- a/tests/run-make/print-cfg/rmake.rs +++ b/tests/run-make/print-cfg/rmake.rs @@ -10,7 +10,7 @@ use std::ffi::OsString; use std::iter::FromIterator; use std::path::PathBuf; -use run_make_support::rustc; +use run_make_support::{fs_wrapper, rustc}; struct PrintCfg { target: &'static str, @@ -96,7 +96,7 @@ fn check(PrintCfg { target, includes, disallow }: PrintCfg) { rustc().target(target).arg(print_arg).run(); - let output = std::fs::read_to_string(&tmp_path).unwrap(); + let output = fs_wrapper::read_to_string(&tmp_path); check_(&output, includes, disallow); } diff --git a/tests/run-make/print-to-output/rmake.rs b/tests/run-make/print-to-output/rmake.rs index ff5e6cacf4fa..66f62a7015ab 100644 --- a/tests/run-make/print-to-output/rmake.rs +++ b/tests/run-make/print-to-output/rmake.rs @@ -4,7 +4,7 @@ use std::ffi::OsString; use std::path::PathBuf; -use run_make_support::{rustc, target}; +use run_make_support::{fs_wrapper, rustc, target}; struct Option<'a> { target: &'a str, @@ -49,7 +49,7 @@ fn check(args: Option) { rustc().target(args.target).arg(print_arg).run(); - std::fs::read_to_string(&tmp_path).unwrap() + fs_wrapper::read_to_string(&tmp_path) }; check_(&stdout, args.includes); diff --git a/tests/run-make/repr128-dwarf/rmake.rs b/tests/run-make/repr128-dwarf/rmake.rs index 27e32099396b..a65cf234edff 100644 --- a/tests/run-make/repr128-dwarf/rmake.rs +++ b/tests/run-make/repr128-dwarf/rmake.rs @@ -3,7 +3,7 @@ use gimli::{AttributeValue, EndianRcSlice, Reader, RunTimeEndian}; use object::{Object, ObjectSection}; -use run_make_support::{gimli, object, rustc}; +use run_make_support::{fs_wrapper, gimli, object, rustc}; use std::collections::HashMap; use std::path::PathBuf; use std::rc::Rc; @@ -19,8 +19,7 @@ fn main() { .join("DWARF") .join("repr128"); let output = - std::fs::read(if dsym_location.try_exists().unwrap() { dsym_location } else { output }) - .unwrap(); + fs_wrapper::read(if dsym_location.try_exists().unwrap() { dsym_location } else { output }); let obj = object::File::parse(output.as_slice()).unwrap(); let endian = if obj.is_little_endian() { RunTimeEndian::Little } else { RunTimeEndian::Big }; let dwarf = gimli::Dwarf::load(|section| -> Result<_, ()> { diff --git a/tests/run-make/reset-codegen-1/rmake.rs b/tests/run-make/reset-codegen-1/rmake.rs index c1385b2e015b..19d42b3d6d5e 100644 --- a/tests/run-make/reset-codegen-1/rmake.rs +++ b/tests/run-make/reset-codegen-1/rmake.rs @@ -7,8 +7,8 @@ //@ ignore-cross-compile -use run_make_support::rustc; -use std::fs; +use run_make_support::{bin_name, fs_wrapper, rustc}; +use std::path::Path; fn compile(output_file: &str, emit: Option<&str>) { let mut rustc = rustc(); @@ -28,11 +28,15 @@ fn main() { ("link-output", Some("link")), ("obj-output", Some("obj")), ("dep-output", Some("dep-info")), - ("multi-output", Some("asm,obj")), ]; for (output_file, emit) in flags { - fs::remove_file(output_file).unwrap_or_default(); + // In the None case, bin_name is required for successful Windows compilation. + let output_file = &bin_name(output_file); compile(output_file, emit); - fs::remove_file(output_file); + assert!(Path::new(output_file).is_file()); } + + compile("multi-output", Some("asm,obj")); + assert!(Path::new("multi-output.s").is_file()); + assert!(Path::new("multi-output.o").is_file()); } diff --git a/tests/run-make/resolve-rename/rmake.rs b/tests/run-make/resolve-rename/rmake.rs index a5f48c2bbccb..09bd4165b2a5 100644 --- a/tests/run-make/resolve-rename/rmake.rs +++ b/tests/run-make/resolve-rename/rmake.rs @@ -5,11 +5,12 @@ // the renamed library. // See https://github.com/rust-lang/rust/pull/49253 +use run_make_support::fs_wrapper; use run_make_support::rustc; -use std::fs; + fn main() { rustc().extra_filename("-hash").input("foo.rs").run(); rustc().input("bar.rs").run(); - fs::rename("libfoo-hash.rlib", "libfoo-another-hash.rlib").unwrap(); + fs_wrapper::rename("libfoo-hash.rlib", "libfoo-another-hash.rlib"); rustc().input("baz.rs").run(); } diff --git a/tests/run-make/rustdoc-scrape-examples-remap/scrape.rs b/tests/run-make/rustdoc-scrape-examples-remap/scrape.rs index 6bf48a94a499..5d67ee2580fb 100644 --- a/tests/run-make/rustdoc-scrape-examples-remap/scrape.rs +++ b/tests/run-make/rustdoc-scrape-examples-remap/scrape.rs @@ -1,12 +1,10 @@ -use run_make_support::{htmldocck, rustc, rustdoc, source_root}; -use std::fs::read_dir; +use run_make_support::{fs_wrapper, htmldocck, rustc, rustdoc, source_root}; use std::path::Path; pub fn scrape(extra_args: &[&str]) { let out_dir = Path::new("rustdoc"); let crate_name = "foobar"; - let deps = read_dir("examples") - .unwrap() + let deps = fs_wrapper::read_dir("examples") .filter_map(|entry| entry.ok().map(|e| e.path())) .filter(|path| path.is_file() && path.extension().is_some_and(|ext| ext == "rs")) .collect::>(); diff --git a/tests/run-make/rustdoc-test-args/rmake.rs b/tests/run-make/rustdoc-test-args/rmake.rs index 340ab022880e..80eb768c14c6 100644 --- a/tests/run-make/rustdoc-test-args/rmake.rs +++ b/tests/run-make/rustdoc-test-args/rmake.rs @@ -1,10 +1,10 @@ -use run_make_support::rustdoc; +use run_make_support::{fs_wrapper, rustdoc}; +use std::iter; use std::path::Path; -use std::{fs, iter}; fn generate_a_lot_of_cfgs(path: &Path) { let content = iter::repeat("--cfg=a\n").take(100_000).collect::(); - fs::write(path, content.as_bytes()).expect("failed to create args file"); + fs_wrapper::write(path, content.as_bytes()); } fn main() { diff --git a/tests/run-make/rustdoc-themes/rmake.rs b/tests/run-make/rustdoc-themes/rmake.rs index bfda2d978884..4174c0552bea 100644 --- a/tests/run-make/rustdoc-themes/rmake.rs +++ b/tests/run-make/rustdoc-themes/rmake.rs @@ -1,15 +1,15 @@ // Test that rustdoc will properly load in a theme file and display it in the theme selector. -use run_make_support::{htmldocck, rustdoc, source_root}; +use run_make_support::{fs_wrapper, htmldocck, rustdoc, source_root}; use std::path::Path; fn main() { let out_dir = Path::new("rustdoc-themes"); let test_css = "test.css"; - let no_script = - std::fs::read_to_string(source_root().join("src/librustdoc/html/static/css/noscript.css")) - .unwrap(); + let no_script = fs_wrapper::read_to_string( + source_root().join("src/librustdoc/html/static/css/noscript.css"), + ); let mut test_content = String::new(); let mut found_begin_light = false; @@ -24,8 +24,8 @@ fn main() { } } assert!(!test_content.is_empty()); - std::fs::create_dir_all(&out_dir).unwrap(); - std::fs::write(&test_css, test_content).unwrap(); + fs_wrapper::create_dir_all(&out_dir); + fs_wrapper::write(&test_css, test_content); rustdoc().output(&out_dir).input("foo.rs").arg("--theme").arg(&test_css).run(); htmldocck().arg(out_dir).arg("foo.rs").run(); diff --git a/tests/run-make/rustdoc-verify-output-files/rmake.rs b/tests/run-make/rustdoc-verify-output-files/rmake.rs index d2d12ae83a21..1bf41c68114c 100644 --- a/tests/run-make/rustdoc-verify-output-files/rmake.rs +++ b/tests/run-make/rustdoc-verify-output-files/rmake.rs @@ -1,4 +1,4 @@ -use std::fs::copy; +use run_make_support::fs_wrapper::copy; use std::path::{Path, PathBuf}; use run_make_support::{copy_dir_all, recursive_diff, rustdoc}; @@ -38,7 +38,7 @@ fn main() { assert!(out_dir.join("foobar.json").is_file()); // Copy first json output to check if it's exactly same after second compilation. - copy(out_dir.join("foobar.json"), tmp_out_dir.join("foobar.json")).unwrap(); + copy(out_dir.join("foobar.json"), tmp_out_dir.join("foobar.json")); // Generate json doc on the same output. generate_docs(&out_dir, JsonOutput::Yes); diff --git a/tests/run-make/wasm-custom-section/rmake.rs b/tests/run-make/wasm-custom-section/rmake.rs index 65f6d0bf3473..e958f5086ac6 100644 --- a/tests/run-make/wasm-custom-section/rmake.rs +++ b/tests/run-make/wasm-custom-section/rmake.rs @@ -1,13 +1,13 @@ //@ only-wasm32-wasip1 -use run_make_support::{rustc, wasmparser}; +use run_make_support::{fs_wrapper, rustc, wasmparser}; use std::collections::HashMap; fn main() { rustc().input("foo.rs").target("wasm32-wasip1").run(); rustc().input("bar.rs").target("wasm32-wasip1").arg("-Clto").opt().run(); - let file = std::fs::read("bar.wasm").unwrap(); + let file = fs_wrapper::read("bar.wasm"); let mut custom = HashMap::new(); for payload in wasmparser::Parser::new(0).parse_all(&file) { diff --git a/tests/run-make/wasm-custom-sections-opt/rmake.rs b/tests/run-make/wasm-custom-sections-opt/rmake.rs index 8e66caa6d685..346cffecc774 100644 --- a/tests/run-make/wasm-custom-sections-opt/rmake.rs +++ b/tests/run-make/wasm-custom-sections-opt/rmake.rs @@ -1,18 +1,18 @@ //@ only-wasm32-wasip1 -use run_make_support::{rustc, wasmparser}; +use run_make_support::{fs_wrapper, rustc, wasmparser}; use std::collections::HashMap; use std::path::Path; fn main() { rustc().input("foo.rs").target("wasm32-wasip1").opt().run(); - verify(&Path::new("foo.wasm")); + verify(Path::new("foo.wasm")); } fn verify(path: &Path) { eprintln!("verify {path:?}"); - let file = std::fs::read(&path).unwrap(); + let file = fs_wrapper::read(&path); let mut custom = HashMap::new(); for payload in wasmparser::Parser::new(0).parse_all(&file) { diff --git a/tests/run-make/wasm-export-all-symbols/rmake.rs b/tests/run-make/wasm-export-all-symbols/rmake.rs index a6fec1fb0eb4..41a2eaaafc31 100644 --- a/tests/run-make/wasm-export-all-symbols/rmake.rs +++ b/tests/run-make/wasm-export-all-symbols/rmake.rs @@ -1,6 +1,6 @@ //@ only-wasm32-wasip1 -use run_make_support::{rustc, wasmparser}; +use run_make_support::{fs_wrapper, rustc, wasmparser}; use std::collections::HashMap; use std::path::Path; use wasmparser::ExternalKind::*; @@ -33,7 +33,7 @@ fn test(args: &[&str]) { fn verify_exports(path: &Path, exports: &[(&str, wasmparser::ExternalKind)]) { println!("verify {path:?}"); - let file = std::fs::read(path).unwrap(); + let file = fs_wrapper::read(path); let mut wasm_exports = HashMap::new(); for payload in wasmparser::Parser::new(0).parse_all(&file) { let payload = payload.unwrap(); diff --git a/tests/run-make/wasm-import-module/rmake.rs b/tests/run-make/wasm-import-module/rmake.rs index 0d3152ae99ca..881242c59a27 100644 --- a/tests/run-make/wasm-import-module/rmake.rs +++ b/tests/run-make/wasm-import-module/rmake.rs @@ -1,6 +1,6 @@ //@ only-wasm32-wasip1 -use run_make_support::{rustc, wasmparser}; +use run_make_support::{fs_wrapper, rustc, wasmparser}; use std::collections::HashMap; use wasmparser::TypeRef::Func; @@ -8,7 +8,7 @@ fn main() { rustc().input("foo.rs").target("wasm32-wasip1").run(); rustc().input("bar.rs").target("wasm32-wasip1").arg("-Clto").opt().run(); - let file = std::fs::read("bar.wasm").unwrap(); + let file = fs_wrapper::read("bar.wasm"); let mut imports = HashMap::new(); for payload in wasmparser::Parser::new(0).parse_all(&file) { diff --git a/tests/run-make/wasm-panic-small/rmake.rs b/tests/run-make/wasm-panic-small/rmake.rs index 304e5d048330..891cac4bc9fb 100644 --- a/tests/run-make/wasm-panic-small/rmake.rs +++ b/tests/run-make/wasm-panic-small/rmake.rs @@ -1,7 +1,7 @@ //@ only-wasm32-wasip1 #![deny(warnings)] -use run_make_support::rustc; +use run_make_support::{fs_wrapper, rustc}; fn main() { test("a"); @@ -15,7 +15,7 @@ fn test(cfg: &str) { rustc().input("foo.rs").target("wasm32-wasip1").arg("-Clto").opt().cfg(cfg).run(); - let bytes = std::fs::read("foo.wasm").unwrap(); + let bytes = fs_wrapper::read("foo.wasm"); println!("{}", bytes.len()); assert!(bytes.len() < 40_000); } diff --git a/tests/run-make/wasm-spurious-import/rmake.rs b/tests/run-make/wasm-spurious-import/rmake.rs index eb28fdb2b013..88e4c83c94ca 100644 --- a/tests/run-make/wasm-spurious-import/rmake.rs +++ b/tests/run-make/wasm-spurious-import/rmake.rs @@ -1,6 +1,6 @@ //@ only-wasm32-wasip1 -use run_make_support::{rustc, wasmparser}; +use run_make_support::{fs_wrapper, rustc, wasmparser}; use std::collections::HashMap; fn main() { @@ -13,7 +13,7 @@ fn main() { .arg("-Copt-level=z") .run(); - let file = std::fs::read("main.wasm").unwrap(); + let file = fs_wrapper::read("main.wasm"); let mut imports = HashMap::new(); for payload in wasmparser::Parser::new(0).parse_all(&file) { diff --git a/tests/run-make/wasm-stringify-ints-small/rmake.rs b/tests/run-make/wasm-stringify-ints-small/rmake.rs index 8c51e26cc339..42e415b3a862 100644 --- a/tests/run-make/wasm-stringify-ints-small/rmake.rs +++ b/tests/run-make/wasm-stringify-ints-small/rmake.rs @@ -1,12 +1,12 @@ //@ only-wasm32-wasip1 #![deny(warnings)] -use run_make_support::rustc; +use run_make_support::{fs_wrapper, rustc}; fn main() { rustc().input("foo.rs").target("wasm32-wasip1").arg("-Clto").opt().run(); - let bytes = std::fs::read("foo.wasm").unwrap(); + let bytes = fs_wrapper::read("foo.wasm"); println!("{}", bytes.len()); assert!(bytes.len() < 50_000); } diff --git a/tests/run-make/wasm-symbols-different-module/rmake.rs b/tests/run-make/wasm-symbols-different-module/rmake.rs index 83970ef0b249..734f79d834a9 100644 --- a/tests/run-make/wasm-symbols-different-module/rmake.rs +++ b/tests/run-make/wasm-symbols-different-module/rmake.rs @@ -1,6 +1,6 @@ //@ only-wasm32-wasip1 -use run_make_support::{rustc, wasmparser}; +use run_make_support::{fs_wrapper, rustc, wasmparser}; use std::collections::{HashMap, HashSet}; use std::path::Path; @@ -23,7 +23,7 @@ fn test(file: &str, args: &[&str], expected_imports: &[(&str, &[&str])]) { rustc().input(file).target("wasm32-wasip1").args(args).run(); - let file = std::fs::read(Path::new(file).with_extension("wasm")).unwrap(); + let file = fs_wrapper::read(Path::new(file).with_extension("wasm")); let mut imports = HashMap::new(); for payload in wasmparser::Parser::new(0).parse_all(&file) { diff --git a/tests/run-make/wasm-symbols-not-exported/rmake.rs b/tests/run-make/wasm-symbols-not-exported/rmake.rs index 54604f51a9e8..4c817a6fd820 100644 --- a/tests/run-make/wasm-symbols-not-exported/rmake.rs +++ b/tests/run-make/wasm-symbols-not-exported/rmake.rs @@ -1,6 +1,6 @@ //@ only-wasm32-wasip1 -use run_make_support::{rustc, wasmparser}; +use run_make_support::{fs_wrapper, rustc, wasmparser}; use std::path::Path; fn main() { @@ -17,7 +17,7 @@ fn main() { fn verify_symbols(path: &Path) { eprintln!("verify {path:?}"); - let file = std::fs::read(&path).unwrap(); + let file = fs_wrapper::read(&path); for payload in wasmparser::Parser::new(0).parse_all(&file) { let payload = payload.unwrap(); diff --git a/tests/run-make/wasm-symbols-not-imported/rmake.rs b/tests/run-make/wasm-symbols-not-imported/rmake.rs index 30408f078bc8..58c9f9c6f45c 100644 --- a/tests/run-make/wasm-symbols-not-imported/rmake.rs +++ b/tests/run-make/wasm-symbols-not-imported/rmake.rs @@ -1,6 +1,6 @@ //@ only-wasm32-wasip1 -use run_make_support::{rustc, wasmparser}; +use run_make_support::{fs_wrapper, rustc, wasmparser}; use std::path::Path; fn main() { @@ -16,7 +16,7 @@ fn main() { fn verify_symbols(path: &Path) { eprintln!("verify {path:?}"); - let file = std::fs::read(&path).unwrap(); + let file = fs_wrapper::read(&path); for payload in wasmparser::Parser::new(0).parse_all(&file) { let payload = payload.unwrap(); diff --git a/tests/run-make/windows-ws2_32/rmake.rs b/tests/run-make/windows-ws2_32/rmake.rs index b3c70c354b42..fde59452bc55 100644 --- a/tests/run-make/windows-ws2_32/rmake.rs +++ b/tests/run-make/windows-ws2_32/rmake.rs @@ -3,8 +3,7 @@ // Tests that WS2_32.dll is not unnecessarily linked, see issue #85441 use run_make_support::object::{self, read::Object}; -use run_make_support::rustc; -use std::fs; +use run_make_support::{fs_wrapper, rustc}; fn main() { rustc().input("empty.rs").run(); @@ -15,7 +14,7 @@ fn main() { } fn links_ws2_32(exe: &str) -> bool { - let binary_data = fs::read(exe).unwrap(); + let binary_data = fs_wrapper::read(exe); let file = object::File::parse(&*binary_data).unwrap(); for import in file.imports().unwrap() { if import.library().eq_ignore_ascii_case(b"WS2_32.dll") { From 26fa5c2c300f3c3a3ee3109c009bd4a6803a2a4c Mon Sep 17 00:00:00 2001 From: Nikita Popov Date: Tue, 11 Jun 2024 10:13:07 +0200 Subject: [PATCH 1342/1716] Make issue-122805.rs big endian compatible Instead of not generating the function at all on big endian (which makes the CHECK lines fail), instead use to_le() on big endian, so that we essentially perform a bswap for both endiannesses. --- tests/codegen/issues/issue-122805.rs | 21 ++++++++++++--------- 1 file changed, 12 insertions(+), 9 deletions(-) diff --git a/tests/codegen/issues/issue-122805.rs b/tests/codegen/issues/issue-122805.rs index 6d108ada6dd2..8e03c6c8884a 100644 --- a/tests/codegen/issues/issue-122805.rs +++ b/tests/codegen/issues/issue-122805.rs @@ -39,17 +39,20 @@ // OPT3WINX64-NEXT: store <8 x i16> // CHECK-NEXT: ret void #[no_mangle] -#[cfg(target_endian = "little")] pub fn convert(value: [u16; 8]) -> [u8; 16] { + #[cfg(target_endian = "little")] + let bswap = u16::to_be; + #[cfg(target_endian = "big")] + let bswap = u16::to_le; let addr16 = [ - value[0].to_be(), - value[1].to_be(), - value[2].to_be(), - value[3].to_be(), - value[4].to_be(), - value[5].to_be(), - value[6].to_be(), - value[7].to_be(), + bswap(value[0]), + bswap(value[1]), + bswap(value[2]), + bswap(value[3]), + bswap(value[4]), + bswap(value[5]), + bswap(value[6]), + bswap(value[7]), ]; unsafe { core::mem::transmute::<_, [u8; 16]>(addr16) } } From be9e27e490c9fb9fa4b3c962daa1fbd3acbc58ee Mon Sep 17 00:00:00 2001 From: Pietro Albini Date: Mon, 10 Jun 2024 14:50:54 +0200 Subject: [PATCH 1343/1716] replace version placeholder --- compiler/rustc_feature/src/accepted.rs | 4 +- compiler/rustc_feature/src/unstable.rs | 10 +-- compiler/rustc_lint/src/shadowed_into_iter.rs | 4 +- library/alloc/src/boxed.rs | 24 +++---- .../alloc/src/collections/binary_heap/mod.rs | 7 +- library/alloc/src/ffi/c_str.rs | 2 +- library/alloc/src/rc.rs | 4 +- library/alloc/src/sync.rs | 6 +- library/alloc/src/vec/mod.rs | 2 +- library/core/src/cell.rs | 2 +- library/core/src/cell/lazy.rs | 14 ++-- library/core/src/net/ip_addr.rs | 20 +++--- library/core/src/option.rs | 2 +- library/core/src/prelude/common.rs | 2 +- library/core/src/ptr/non_null.rs | 66 +++++++++---------- library/core/src/slice/ascii.rs | 12 ++-- library/core/src/slice/iter.rs | 2 +- library/core/src/slice/mod.rs | 10 +-- library/core/src/str/mod.rs | 16 ++--- library/core/src/time.rs | 4 +- library/std/src/io/mod.rs | 2 +- library/std/src/prelude/common.rs | 2 +- library/std/src/sync/lazy_lock.rs | 22 +++---- library/std/src/sync/mod.rs | 2 +- 24 files changed, 119 insertions(+), 122 deletions(-) diff --git a/compiler/rustc_feature/src/accepted.rs b/compiler/rustc_feature/src/accepted.rs index 7c76392858cd..ef141c7c25e5 100644 --- a/compiler/rustc_feature/src/accepted.rs +++ b/compiler/rustc_feature/src/accepted.rs @@ -139,7 +139,7 @@ declare_features! ( /// Allows `crate` in paths. (accepted, crate_in_paths, "1.30.0", Some(45477)), /// Allows users to provide classes for fenced code block using `class:classname`. - (accepted, custom_code_classes_in_docs, "CURRENT_RUSTC_VERSION", Some(79483)), + (accepted, custom_code_classes_in_docs, "1.80.0", Some(79483)), /// Allows using `#[debugger_visualizer]` attribute. (accepted, debugger_visualizer, "1.71.0", Some(95939)), /// Allows rustc to inject a default alloc_error_handler @@ -165,7 +165,7 @@ declare_features! ( /// Allows using `dyn Trait` as a syntax for trait objects. (accepted, dyn_trait, "1.27.0", Some(44662)), /// Allows `X..Y` patterns. - (accepted, exclusive_range_pattern, "CURRENT_RUSTC_VERSION", Some(37854)), + (accepted, exclusive_range_pattern, "1.80.0", Some(37854)), /// Allows integer match exhaustiveness checking (RFC 2591). (accepted, exhaustive_integer_patterns, "1.33.0", Some(50907)), /// Allows explicit generic arguments specification with `impl Trait` present. diff --git a/compiler/rustc_feature/src/unstable.rs b/compiler/rustc_feature/src/unstable.rs index 2410019868a1..2d13f430cfce 100644 --- a/compiler/rustc_feature/src/unstable.rs +++ b/compiler/rustc_feature/src/unstable.rs @@ -457,7 +457,7 @@ declare_features! ( /// Allows explicit tail calls via `become` expression. (incomplete, explicit_tail_calls, "1.72.0", Some(112788)), /// Uses 2024 rules for matching `expr` fragments in macros. Also enables `expr_2021` fragment. - (incomplete, expr_fragment_specifier_2024, "CURRENT_RUSTC_VERSION", Some(123742)), + (incomplete, expr_fragment_specifier_2024, "1.80.0", Some(123742)), /// Allows using `efiapi`, `sysv64` and `win64` as calling convention /// for functions with varargs. (unstable, extended_varargs_abi_support, "1.65.0", Some(100189)), @@ -488,7 +488,7 @@ declare_features! ( /// Allows generic parameters and where-clauses on free & associated const items. (incomplete, generic_const_items, "1.73.0", Some(113521)), /// Allows registering static items globally, possibly across crates, to iterate over at runtime. - (unstable, global_registration, "CURRENT_RUSTC_VERSION", Some(125119)), + (unstable, global_registration, "1.80.0", Some(125119)), /// Allows using `..=X` as a patterns in slices. (unstable, half_open_range_patterns_in_slices, "1.66.0", Some(67264)), /// Allows `if let` guard in match arms. @@ -581,7 +581,7 @@ declare_features! ( (unstable, repr_simd, "1.4.0", Some(27731)), /// Allows enums like Result to be used across FFI, if T's niche value can /// be used to describe E or vise-versa. - (unstable, result_ffi_guarantees, "CURRENT_RUSTC_VERSION", Some(110503)), + (unstable, result_ffi_guarantees, "1.80.0", Some(110503)), /// Allows bounding the return type of AFIT/RPITIT. (incomplete, return_type_notation, "1.70.0", Some(109417)), /// Allows `extern "rust-cold"`. @@ -623,9 +623,9 @@ declare_features! ( /// Allows unnamed fields of struct and union type (incomplete, unnamed_fields, "1.74.0", Some(49804)), /// Allows unsafe attributes. - (unstable, unsafe_attributes, "CURRENT_RUSTC_VERSION", Some(123757)), + (unstable, unsafe_attributes, "1.80.0", Some(123757)), /// Allows unsafe on extern declarations and safety qualifiers over internal items. - (unstable, unsafe_extern_blocks, "CURRENT_RUSTC_VERSION", Some(123743)), + (unstable, unsafe_extern_blocks, "1.80.0", Some(123743)), /// Allows unsized fn parameters. (unstable, unsized_fn_params, "1.49.0", Some(48055)), /// Allows unsized rvalues at arguments and parameters. diff --git a/compiler/rustc_lint/src/shadowed_into_iter.rs b/compiler/rustc_lint/src/shadowed_into_iter.rs index 41ec84faa783..85006421fdd2 100644 --- a/compiler/rustc_lint/src/shadowed_into_iter.rs +++ b/compiler/rustc_lint/src/shadowed_into_iter.rs @@ -49,10 +49,10 @@ declare_lint! { /// /// ### Explanation /// - /// Since Rust CURRENT_RUSTC_VERSION, boxed slices implement `IntoIterator`. However, to avoid + /// Since Rust 1.80.0, boxed slices implement `IntoIterator`. However, to avoid /// breakage, `boxed_slice.into_iter()` in Rust 2015, 2018, and 2021 code will still /// behave as `(&boxed_slice).into_iter()`, returning an iterator over - /// references, just like in Rust CURRENT_RUSTC_VERSION and earlier. + /// references, just like in Rust 1.80.0 and earlier. /// This only applies to the method call syntax `boxed_slice.into_iter()`, not to /// any other syntax such as `for _ in boxed_slice` or `IntoIterator::into_iter(boxed_slice)`. pub BOXED_SLICE_INTO_ITER, diff --git a/library/alloc/src/boxed.rs b/library/alloc/src/boxed.rs index 21d005030017..2b5141585de4 100644 --- a/library/alloc/src/boxed.rs +++ b/library/alloc/src/boxed.rs @@ -2123,23 +2123,23 @@ impl FromIterator for Box<[I]> { /// This implementation is required to make sure that the `Box<[I]>: IntoIterator` /// implementation doesn't overlap with `IntoIterator for T where T: Iterator` blanket. -#[stable(feature = "boxed_slice_into_iter", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "boxed_slice_into_iter", since = "1.80.0")] impl !Iterator for Box<[I], A> {} /// This implementation is required to make sure that the `&Box<[I]>: IntoIterator` /// implementation doesn't overlap with `IntoIterator for T where T: Iterator` blanket. -#[stable(feature = "boxed_slice_into_iter", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "boxed_slice_into_iter", since = "1.80.0")] impl<'a, I, A: Allocator> !Iterator for &'a Box<[I], A> {} /// This implementation is required to make sure that the `&mut Box<[I]>: IntoIterator` /// implementation doesn't overlap with `IntoIterator for T where T: Iterator` blanket. -#[stable(feature = "boxed_slice_into_iter", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "boxed_slice_into_iter", since = "1.80.0")] impl<'a, I, A: Allocator> !Iterator for &'a mut Box<[I], A> {} // Note: the `#[rustc_skip_during_method_dispatch(boxed_slice)]` on `trait IntoIterator` // hides this implementation from explicit `.into_iter()` calls on editions < 2024, // so those calls will still resolve to the slice implementation, by reference. -#[stable(feature = "boxed_slice_into_iter", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "boxed_slice_into_iter", since = "1.80.0")] impl IntoIterator for Box<[I], A> { type IntoIter = vec::IntoIter; type Item = I; @@ -2148,7 +2148,7 @@ impl IntoIterator for Box<[I], A> { } } -#[stable(feature = "boxed_slice_into_iter", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "boxed_slice_into_iter", since = "1.80.0")] impl<'a, I, A: Allocator> IntoIterator for &'a Box<[I], A> { type IntoIter = slice::Iter<'a, I>; type Item = &'a I; @@ -2157,7 +2157,7 @@ impl<'a, I, A: Allocator> IntoIterator for &'a Box<[I], A> { } } -#[stable(feature = "boxed_slice_into_iter", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "boxed_slice_into_iter", since = "1.80.0")] impl<'a, I, A: Allocator> IntoIterator for &'a mut Box<[I], A> { type IntoIter = slice::IterMut<'a, I>; type Item = &'a mut I; @@ -2167,7 +2167,7 @@ impl<'a, I, A: Allocator> IntoIterator for &'a mut Box<[I], A> { } #[cfg(not(no_global_oom_handling))] -#[stable(feature = "boxed_str_from_iter", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "boxed_str_from_iter", since = "1.80.0")] impl FromIterator for Box { fn from_iter>(iter: T) -> Self { String::from_iter(iter).into_boxed_str() @@ -2175,7 +2175,7 @@ impl FromIterator for Box { } #[cfg(not(no_global_oom_handling))] -#[stable(feature = "boxed_str_from_iter", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "boxed_str_from_iter", since = "1.80.0")] impl<'a> FromIterator<&'a char> for Box { fn from_iter>(iter: T) -> Self { String::from_iter(iter).into_boxed_str() @@ -2183,7 +2183,7 @@ impl<'a> FromIterator<&'a char> for Box { } #[cfg(not(no_global_oom_handling))] -#[stable(feature = "boxed_str_from_iter", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "boxed_str_from_iter", since = "1.80.0")] impl<'a> FromIterator<&'a str> for Box { fn from_iter>(iter: T) -> Self { String::from_iter(iter).into_boxed_str() @@ -2191,7 +2191,7 @@ impl<'a> FromIterator<&'a str> for Box { } #[cfg(not(no_global_oom_handling))] -#[stable(feature = "boxed_str_from_iter", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "boxed_str_from_iter", since = "1.80.0")] impl FromIterator for Box { fn from_iter>(iter: T) -> Self { String::from_iter(iter).into_boxed_str() @@ -2199,7 +2199,7 @@ impl FromIterator for Box { } #[cfg(not(no_global_oom_handling))] -#[stable(feature = "boxed_str_from_iter", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "boxed_str_from_iter", since = "1.80.0")] impl FromIterator> for Box { fn from_iter>>(iter: T) -> Self { String::from_iter(iter).into_boxed_str() @@ -2207,7 +2207,7 @@ impl FromIterator> for Box { } #[cfg(not(no_global_oom_handling))] -#[stable(feature = "boxed_str_from_iter", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "boxed_str_from_iter", since = "1.80.0")] impl<'a> FromIterator> for Box { fn from_iter>>(iter: T) -> Self { String::from_iter(iter).into_boxed_str() diff --git a/library/alloc/src/collections/binary_heap/mod.rs b/library/alloc/src/collections/binary_heap/mod.rs index a391141827ef..af01db19139e 100644 --- a/library/alloc/src/collections/binary_heap/mod.rs +++ b/library/alloc/src/collections/binary_heap/mod.rs @@ -440,10 +440,7 @@ impl BinaryHeap { /// heap.push(4); /// ``` #[stable(feature = "rust1", since = "1.0.0")] - #[rustc_const_stable( - feature = "const_binary_heap_constructor", - since = "CURRENT_RUSTC_VERSION" - )] + #[rustc_const_stable(feature = "const_binary_heap_constructor", since = "1.80.0")] #[must_use] pub const fn new() -> BinaryHeap { BinaryHeap { data: vec![] } @@ -1224,7 +1221,7 @@ impl BinaryHeap { /// io::sink().write(heap.as_slice()).unwrap(); /// ``` #[must_use] - #[stable(feature = "binary_heap_as_slice", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "binary_heap_as_slice", since = "1.80.0")] pub fn as_slice(&self) -> &[T] { self.data.as_slice() } diff --git a/library/alloc/src/ffi/c_str.rs b/library/alloc/src/ffi/c_str.rs index b13af93d06c5..f1eb195b8846 100644 --- a/library/alloc/src/ffi/c_str.rs +++ b/library/alloc/src/ffi/c_str.rs @@ -911,7 +911,7 @@ impl From<&CStr> for Rc { } #[cfg(not(no_global_oom_handling))] -#[stable(feature = "more_rc_default_impls", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "more_rc_default_impls", since = "1.80.0")] impl Default for Rc { /// Creates an empty CStr inside an Rc /// diff --git a/library/alloc/src/rc.rs b/library/alloc/src/rc.rs index f3a4803e0d4a..c3561512c057 100644 --- a/library/alloc/src/rc.rs +++ b/library/alloc/src/rc.rs @@ -2250,7 +2250,7 @@ impl Default for Rc { } #[cfg(not(no_global_oom_handling))] -#[stable(feature = "more_rc_default_impls", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "more_rc_default_impls", since = "1.80.0")] impl Default for Rc { /// Creates an empty str inside an Rc /// @@ -2262,7 +2262,7 @@ impl Default for Rc { } #[cfg(not(no_global_oom_handling))] -#[stable(feature = "more_rc_default_impls", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "more_rc_default_impls", since = "1.80.0")] impl Default for Rc<[T]> { /// Creates an empty `[T]` inside an Rc /// diff --git a/library/alloc/src/sync.rs b/library/alloc/src/sync.rs index 5a4f9df614ee..60e3918157ef 100644 --- a/library/alloc/src/sync.rs +++ b/library/alloc/src/sync.rs @@ -3405,7 +3405,7 @@ static STATIC_INNER_SLICE: SliceArcInnerForStatic = SliceArcInnerForStatic { }; #[cfg(not(no_global_oom_handling))] -#[stable(feature = "more_rc_default_impls", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "more_rc_default_impls", since = "1.80.0")] impl Default for Arc { /// Creates an empty str inside an Arc /// @@ -3420,7 +3420,7 @@ impl Default for Arc { } #[cfg(not(no_global_oom_handling))] -#[stable(feature = "more_rc_default_impls", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "more_rc_default_impls", since = "1.80.0")] impl Default for Arc { /// Creates an empty CStr inside an Arc /// @@ -3439,7 +3439,7 @@ impl Default for Arc { } #[cfg(not(no_global_oom_handling))] -#[stable(feature = "more_rc_default_impls", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "more_rc_default_impls", since = "1.80.0")] impl Default for Arc<[T]> { /// Creates an empty `[T]` inside an Arc /// diff --git a/library/alloc/src/vec/mod.rs b/library/alloc/src/vec/mod.rs index aa9b632cbed9..743429d26dbf 100644 --- a/library/alloc/src/vec/mod.rs +++ b/library/alloc/src/vec/mod.rs @@ -2649,7 +2649,7 @@ impl Vec<[T; N], A> { /// let mut flattened = vec.into_flattened(); /// assert_eq!(flattened.pop(), Some(6)); /// ``` - #[stable(feature = "slice_flatten", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "slice_flatten", since = "1.80.0")] pub fn into_flattened(self) -> Vec { let (ptr, len, cap, alloc) = self.into_raw_parts_with_alloc(); let (new_len, new_cap) = if T::IS_ZST { diff --git a/library/core/src/cell.rs b/library/core/src/cell.rs index efa0fd7b56c2..b3189f14f9e4 100644 --- a/library/core/src/cell.rs +++ b/library/core/src/cell.rs @@ -260,7 +260,7 @@ use crate::ptr::{self, NonNull}; mod lazy; mod once; -#[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "lazy_cell", since = "1.80.0")] pub use lazy::LazyCell; #[stable(feature = "once_cell", since = "1.70.0")] pub use once::OnceCell; diff --git a/library/core/src/cell/lazy.rs b/library/core/src/cell/lazy.rs index 80b85b954462..7c7130ec075e 100644 --- a/library/core/src/cell/lazy.rs +++ b/library/core/src/cell/lazy.rs @@ -34,7 +34,7 @@ enum State { /// // 92 /// // 92 /// ``` -#[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "lazy_cell", since = "1.80.0")] pub struct LazyCell T> { state: UnsafeCell>, } @@ -54,8 +54,8 @@ impl T> LazyCell { /// assert_eq!(&*lazy, "HELLO, WORLD!"); /// ``` #[inline] - #[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] - #[rustc_const_stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "lazy_cell", since = "1.80.0")] + #[rustc_const_stable(feature = "lazy_cell", since = "1.80.0")] pub const fn new(f: F) -> LazyCell { LazyCell { state: UnsafeCell::new(State::Uninit(f)) } } @@ -103,7 +103,7 @@ impl T> LazyCell { /// assert_eq!(&*lazy, &92); /// ``` #[inline] - #[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "lazy_cell", since = "1.80.0")] pub fn force(this: &LazyCell) -> &T { // SAFETY: // This invalidates any mutable references to the data. The resulting @@ -167,7 +167,7 @@ impl LazyCell { } } -#[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "lazy_cell", since = "1.80.0")] impl T> Deref for LazyCell { type Target = T; #[inline] @@ -176,7 +176,7 @@ impl T> Deref for LazyCell { } } -#[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "lazy_cell", since = "1.80.0")] impl Default for LazyCell { /// Creates a new lazy value using `Default` as the initializing function. #[inline] @@ -185,7 +185,7 @@ impl Default for LazyCell { } } -#[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "lazy_cell", since = "1.80.0")] impl fmt::Debug for LazyCell { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { let mut d = f.debug_tuple("LazyCell"); diff --git a/library/core/src/net/ip_addr.rs b/library/core/src/net/ip_addr.rs index e008215ebe96..b578756e46a6 100644 --- a/library/core/src/net/ip_addr.rs +++ b/library/core/src/net/ip_addr.rs @@ -464,7 +464,7 @@ impl Ipv4Addr { /// /// assert_eq!(Ipv4Addr::BITS, 32); /// ``` - #[stable(feature = "ip_bits", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "ip_bits", since = "1.80.0")] pub const BITS: u32 = 32; /// Converts an IPv4 address into a `u32` representation using native byte order. @@ -492,8 +492,8 @@ impl Ipv4Addr { /// assert_eq!(Ipv4Addr::new(0x12, 0x34, 0x56, 0x00), Ipv4Addr::from_bits(addr_bits)); /// /// ``` - #[rustc_const_stable(feature = "ip_bits", since = "CURRENT_RUSTC_VERSION")] - #[stable(feature = "ip_bits", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "ip_bits", since = "1.80.0")] + #[stable(feature = "ip_bits", since = "1.80.0")] #[must_use] #[inline] pub const fn to_bits(self) -> u32 { @@ -512,8 +512,8 @@ impl Ipv4Addr { /// let addr = Ipv4Addr::from(0x12345678); /// assert_eq!(Ipv4Addr::new(0x12, 0x34, 0x56, 0x78), addr); /// ``` - #[rustc_const_stable(feature = "ip_bits", since = "CURRENT_RUSTC_VERSION")] - #[stable(feature = "ip_bits", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "ip_bits", since = "1.80.0")] + #[stable(feature = "ip_bits", since = "1.80.0")] #[must_use] #[inline] pub const fn from_bits(bits: u32) -> Ipv4Addr { @@ -1238,7 +1238,7 @@ impl Ipv6Addr { /// /// assert_eq!(Ipv6Addr::BITS, 128); /// ``` - #[stable(feature = "ip_bits", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "ip_bits", since = "1.80.0")] pub const BITS: u32 = 128; /// Converts an IPv6 address into a `u128` representation using native byte order. @@ -1277,8 +1277,8 @@ impl Ipv6Addr { /// Ipv6Addr::from_bits(addr_bits)); /// /// ``` - #[rustc_const_stable(feature = "ip_bits", since = "CURRENT_RUSTC_VERSION")] - #[stable(feature = "ip_bits", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "ip_bits", since = "1.80.0")] + #[stable(feature = "ip_bits", since = "1.80.0")] #[must_use] #[inline] pub const fn to_bits(self) -> u128 { @@ -1302,8 +1302,8 @@ impl Ipv6Addr { /// ), /// addr); /// ``` - #[rustc_const_stable(feature = "ip_bits", since = "CURRENT_RUSTC_VERSION")] - #[stable(feature = "ip_bits", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_stable(feature = "ip_bits", since = "1.80.0")] + #[stable(feature = "ip_bits", since = "1.80.0")] #[must_use] #[inline] pub const fn from_bits(bits: u128) -> Ipv6Addr { diff --git a/library/core/src/option.rs b/library/core/src/option.rs index e253cfd2822b..8ac2a8bb17f4 100644 --- a/library/core/src/option.rs +++ b/library/core/src/option.rs @@ -1724,7 +1724,7 @@ impl Option { /// assert_eq!(prev, Some(43)); /// ``` #[inline] - #[stable(feature = "option_take_if", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "option_take_if", since = "1.80.0")] pub fn take_if

(&mut self, predicate: P) -> Option where P: FnOnce(&mut T) -> bool, diff --git a/library/core/src/prelude/common.rs b/library/core/src/prelude/common.rs index 2a0331ef7b27..a6a1a055e298 100644 --- a/library/core/src/prelude/common.rs +++ b/library/core/src/prelude/common.rs @@ -14,7 +14,7 @@ pub use crate::ops::{Drop, Fn, FnMut, FnOnce}; #[stable(feature = "core_prelude", since = "1.4.0")] #[doc(no_inline)] pub use crate::mem::drop; -#[stable(feature = "size_of_prelude", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "size_of_prelude", since = "1.80.0")] #[doc(no_inline)] pub use crate::mem::{align_of, align_of_val, size_of, size_of_val}; diff --git a/library/core/src/ptr/non_null.rs b/library/core/src/ptr/non_null.rs index aac5c745d635..0504a0fc32f4 100644 --- a/library/core/src/ptr/non_null.rs +++ b/library/core/src/ptr/non_null.rs @@ -525,8 +525,8 @@ impl NonNull { #[inline(always)] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces #[must_use = "returns a new pointer rather than modifying its argument"] - #[stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] - #[rustc_const_stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "non_null_convenience", since = "1.80.0")] + #[rustc_const_stable(feature = "non_null_convenience", since = "1.80.0")] pub const unsafe fn offset(self, count: isize) -> Self where T: Sized, @@ -551,8 +551,8 @@ impl NonNull { #[must_use] #[inline(always)] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces - #[stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] - #[rustc_const_stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "non_null_convenience", since = "1.80.0")] + #[rustc_const_stable(feature = "non_null_convenience", since = "1.80.0")] pub const unsafe fn byte_offset(self, count: isize) -> Self { // SAFETY: the caller must uphold the safety contract for `offset` and `byte_offset` has // the same safety contract. @@ -611,8 +611,8 @@ impl NonNull { #[inline(always)] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces #[must_use = "returns a new pointer rather than modifying its argument"] - #[stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] - #[rustc_const_stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "non_null_convenience", since = "1.80.0")] + #[rustc_const_stable(feature = "non_null_convenience", since = "1.80.0")] pub const unsafe fn add(self, count: usize) -> Self where T: Sized, @@ -638,8 +638,8 @@ impl NonNull { #[inline(always)] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces #[rustc_allow_const_fn_unstable(set_ptr_value)] - #[stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] - #[rustc_const_stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "non_null_convenience", since = "1.80.0")] + #[rustc_const_stable(feature = "non_null_convenience", since = "1.80.0")] pub const unsafe fn byte_add(self, count: usize) -> Self { // SAFETY: the caller must uphold the safety contract for `add` and `byte_add` has the same // safety contract. @@ -699,8 +699,8 @@ impl NonNull { #[inline(always)] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces #[must_use = "returns a new pointer rather than modifying its argument"] - #[stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] - #[rustc_const_stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "non_null_convenience", since = "1.80.0")] + #[rustc_const_stable(feature = "non_null_convenience", since = "1.80.0")] #[rustc_allow_const_fn_unstable(unchecked_neg)] pub const unsafe fn sub(self, count: usize) -> Self where @@ -732,8 +732,8 @@ impl NonNull { #[inline(always)] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces #[rustc_allow_const_fn_unstable(set_ptr_value)] - #[stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] - #[rustc_const_stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "non_null_convenience", since = "1.80.0")] + #[rustc_const_stable(feature = "non_null_convenience", since = "1.80.0")] pub const unsafe fn byte_sub(self, count: usize) -> Self { // SAFETY: the caller must uphold the safety contract for `sub` and `byte_sub` has the same // safety contract. @@ -847,8 +847,8 @@ impl NonNull { /// ``` #[inline] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces - #[stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] - #[rustc_const_stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "non_null_convenience", since = "1.80.0")] + #[rustc_const_stable(feature = "non_null_convenience", since = "1.80.0")] pub const unsafe fn offset_from(self, origin: NonNull) -> isize where T: Sized, @@ -868,8 +868,8 @@ impl NonNull { /// ignoring the metadata. #[inline(always)] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces - #[stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] - #[rustc_const_stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "non_null_convenience", since = "1.80.0")] + #[rustc_const_stable(feature = "non_null_convenience", since = "1.80.0")] pub const unsafe fn byte_offset_from(self, origin: NonNull) -> isize { // SAFETY: the caller must uphold the safety contract for `byte_offset_from`. unsafe { self.pointer.byte_offset_from(origin.pointer) } @@ -958,8 +958,8 @@ impl NonNull { /// [`ptr::read`]: crate::ptr::read() #[inline] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces - #[stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] - #[rustc_const_stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "non_null_convenience", since = "1.80.0")] + #[rustc_const_stable(feature = "non_null_convenience", since = "1.80.0")] pub const unsafe fn read(self) -> T where T: Sized, @@ -980,7 +980,7 @@ impl NonNull { /// [`ptr::read_volatile`]: crate::ptr::read_volatile() #[inline] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces - #[stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "non_null_convenience", since = "1.80.0")] pub unsafe fn read_volatile(self) -> T where T: Sized, @@ -999,8 +999,8 @@ impl NonNull { /// [`ptr::read_unaligned`]: crate::ptr::read_unaligned() #[inline] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces - #[stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] - #[rustc_const_stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "non_null_convenience", since = "1.80.0")] + #[rustc_const_stable(feature = "non_null_convenience", since = "1.80.0")] pub const unsafe fn read_unaligned(self) -> T where T: Sized, @@ -1019,7 +1019,7 @@ impl NonNull { /// [`ptr::copy`]: crate::ptr::copy() #[inline(always)] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces - #[stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "non_null_convenience", since = "1.80.0")] #[rustc_const_unstable(feature = "const_intrinsic_copy", issue = "80697")] pub const unsafe fn copy_to(self, dest: NonNull, count: usize) where @@ -1039,7 +1039,7 @@ impl NonNull { /// [`ptr::copy_nonoverlapping`]: crate::ptr::copy_nonoverlapping() #[inline(always)] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces - #[stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "non_null_convenience", since = "1.80.0")] #[rustc_const_unstable(feature = "const_intrinsic_copy", issue = "80697")] pub const unsafe fn copy_to_nonoverlapping(self, dest: NonNull, count: usize) where @@ -1059,7 +1059,7 @@ impl NonNull { /// [`ptr::copy`]: crate::ptr::copy() #[inline(always)] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces - #[stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "non_null_convenience", since = "1.80.0")] #[rustc_const_unstable(feature = "const_intrinsic_copy", issue = "80697")] pub const unsafe fn copy_from(self, src: NonNull, count: usize) where @@ -1079,7 +1079,7 @@ impl NonNull { /// [`ptr::copy_nonoverlapping`]: crate::ptr::copy_nonoverlapping() #[inline(always)] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces - #[stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "non_null_convenience", since = "1.80.0")] #[rustc_const_unstable(feature = "const_intrinsic_copy", issue = "80697")] pub const unsafe fn copy_from_nonoverlapping(self, src: NonNull, count: usize) where @@ -1095,7 +1095,7 @@ impl NonNull { /// /// [`ptr::drop_in_place`]: crate::ptr::drop_in_place() #[inline(always)] - #[stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "non_null_convenience", since = "1.80.0")] pub unsafe fn drop_in_place(self) { // SAFETY: the caller must uphold the safety contract for `drop_in_place`. unsafe { ptr::drop_in_place(self.as_ptr()) } @@ -1109,7 +1109,7 @@ impl NonNull { /// [`ptr::write`]: crate::ptr::write() #[inline(always)] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces - #[stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "non_null_convenience", since = "1.80.0")] #[rustc_const_unstable(feature = "const_ptr_write", issue = "86302")] pub const unsafe fn write(self, val: T) where @@ -1128,7 +1128,7 @@ impl NonNull { #[inline(always)] #[doc(alias = "memset")] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces - #[stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "non_null_convenience", since = "1.80.0")] #[rustc_const_unstable(feature = "const_ptr_write", issue = "86302")] pub const unsafe fn write_bytes(self, val: u8, count: usize) where @@ -1150,7 +1150,7 @@ impl NonNull { /// [`ptr::write_volatile`]: crate::ptr::write_volatile() #[inline(always)] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces - #[stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "non_null_convenience", since = "1.80.0")] pub unsafe fn write_volatile(self, val: T) where T: Sized, @@ -1169,7 +1169,7 @@ impl NonNull { /// [`ptr::write_unaligned`]: crate::ptr::write_unaligned() #[inline(always)] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces - #[stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "non_null_convenience", since = "1.80.0")] #[rustc_const_unstable(feature = "const_ptr_write", issue = "86302")] pub const unsafe fn write_unaligned(self, val: T) where @@ -1186,7 +1186,7 @@ impl NonNull { /// /// [`ptr::replace`]: crate::ptr::replace() #[inline(always)] - #[stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "non_null_convenience", since = "1.80.0")] pub unsafe fn replace(self, src: T) -> T where T: Sized, @@ -1203,7 +1203,7 @@ impl NonNull { /// /// [`ptr::swap`]: crate::ptr::swap() #[inline(always)] - #[stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "non_null_convenience", since = "1.80.0")] #[rustc_const_unstable(feature = "const_swap", issue = "83163")] pub const unsafe fn swap(self, with: NonNull) where @@ -1255,7 +1255,7 @@ impl NonNull { /// ``` #[inline] #[must_use] - #[stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "non_null_convenience", since = "1.80.0")] #[rustc_const_unstable(feature = "const_align_offset", issue = "90962")] pub const fn align_offset(self, align: usize) -> usize where diff --git a/library/core/src/slice/ascii.rs b/library/core/src/slice/ascii.rs index 19c91ba2eb98..19c7043a9e37 100644 --- a/library/core/src/slice/ascii.rs +++ b/library/core/src/slice/ascii.rs @@ -123,8 +123,8 @@ impl [u8] { /// assert_eq!(b" ".trim_ascii_start(), b""); /// assert_eq!(b"".trim_ascii_start(), b""); /// ``` - #[stable(feature = "byte_slice_trim_ascii", since = "CURRENT_RUSTC_VERSION")] - #[rustc_const_stable(feature = "byte_slice_trim_ascii", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "byte_slice_trim_ascii", since = "1.80.0")] + #[rustc_const_stable(feature = "byte_slice_trim_ascii", since = "1.80.0")] #[inline] pub const fn trim_ascii_start(&self) -> &[u8] { let mut bytes = self; @@ -152,8 +152,8 @@ impl [u8] { /// assert_eq!(b" ".trim_ascii_end(), b""); /// assert_eq!(b"".trim_ascii_end(), b""); /// ``` - #[stable(feature = "byte_slice_trim_ascii", since = "CURRENT_RUSTC_VERSION")] - #[rustc_const_stable(feature = "byte_slice_trim_ascii", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "byte_slice_trim_ascii", since = "1.80.0")] + #[rustc_const_stable(feature = "byte_slice_trim_ascii", since = "1.80.0")] #[inline] pub const fn trim_ascii_end(&self) -> &[u8] { let mut bytes = self; @@ -182,8 +182,8 @@ impl [u8] { /// assert_eq!(b" ".trim_ascii(), b""); /// assert_eq!(b"".trim_ascii(), b""); /// ``` - #[stable(feature = "byte_slice_trim_ascii", since = "CURRENT_RUSTC_VERSION")] - #[rustc_const_stable(feature = "byte_slice_trim_ascii", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "byte_slice_trim_ascii", since = "1.80.0")] + #[rustc_const_stable(feature = "byte_slice_trim_ascii", since = "1.80.0")] #[inline] pub const fn trim_ascii(&self) -> &[u8] { self.trim_ascii_start().trim_ascii_end() diff --git a/library/core/src/slice/iter.rs b/library/core/src/slice/iter.rs index 96fc87ab2e9e..ca1920f98120 100644 --- a/library/core/src/slice/iter.rs +++ b/library/core/src/slice/iter.rs @@ -16,7 +16,7 @@ use crate::ptr::{self, without_provenance, without_provenance_mut, NonNull}; use super::{from_raw_parts, from_raw_parts_mut}; -#[stable(feature = "boxed_slice_into_iter", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "boxed_slice_into_iter", since = "1.80.0")] impl !Iterator for [T] {} #[stable(feature = "rust1", since = "1.0.0")] diff --git a/library/core/src/slice/mod.rs b/library/core/src/slice/mod.rs index 503107c74803..17b4f9ece9d3 100644 --- a/library/core/src/slice/mod.rs +++ b/library/core/src/slice/mod.rs @@ -2082,8 +2082,8 @@ impl [T] { /// /// assert_eq!(None, v.split_at_checked(7)); /// ``` - #[stable(feature = "split_at_checked", since = "CURRENT_RUSTC_VERSION")] - #[rustc_const_stable(feature = "split_at_checked", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "split_at_checked", since = "1.80.0")] + #[rustc_const_stable(feature = "split_at_checked", since = "1.80.0")] #[inline] #[must_use] pub const fn split_at_checked(&self, mid: usize) -> Option<(&[T], &[T])> { @@ -2121,7 +2121,7 @@ impl [T] { /// /// assert_eq!(None, v.split_at_mut_checked(7)); /// ``` - #[stable(feature = "split_at_checked", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "split_at_checked", since = "1.80.0")] #[rustc_const_unstable(feature = "const_slice_split_at_mut", issue = "101804")] #[inline] #[must_use] @@ -4544,7 +4544,7 @@ impl [[T; N]] { /// let empty_slice_of_arrays: &[[u32; 10]] = &[]; /// assert!(empty_slice_of_arrays.as_flattened().is_empty()); /// ``` - #[stable(feature = "slice_flatten", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "slice_flatten", since = "1.80.0")] #[rustc_const_unstable(feature = "const_slice_flatten", issue = "95629")] pub const fn as_flattened(&self) -> &[T] { let len = if T::IS_ZST { @@ -4581,7 +4581,7 @@ impl [[T; N]] { /// add_5_to_all(array.as_flattened_mut()); /// assert_eq!(array, [[6, 7, 8], [9, 10, 11], [12, 13, 14]]); /// ``` - #[stable(feature = "slice_flatten", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "slice_flatten", since = "1.80.0")] pub fn as_flattened_mut(&mut self) -> &mut [T] { let len = if T::IS_ZST { self.len().checked_mul(N).expect("slice len overflow") diff --git a/library/core/src/str/mod.rs b/library/core/src/str/mod.rs index edda4d1b6870..d860ad20d3d7 100644 --- a/library/core/src/str/mod.rs +++ b/library/core/src/str/mod.rs @@ -732,7 +732,7 @@ impl str { /// ``` #[inline] #[must_use] - #[stable(feature = "split_at_checked", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "split_at_checked", since = "1.80.0")] pub fn split_at_checked(&self, mid: usize) -> Option<(&str, &str)> { // is_char_boundary checks that the index is in [0, .len()] if self.is_char_boundary(mid) { @@ -772,7 +772,7 @@ impl str { /// ``` #[inline] #[must_use] - #[stable(feature = "split_at_checked", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "split_at_checked", since = "1.80.0")] pub fn split_at_mut_checked(&mut self, mid: usize) -> Option<(&mut str, &mut str)> { // is_char_boundary checks that the index is in [0, .len()] if self.is_char_boundary(mid) { @@ -2546,8 +2546,8 @@ impl str { /// ``` #[must_use = "this returns the trimmed string as a new slice, \ without modifying the original"] - #[stable(feature = "byte_slice_trim_ascii", since = "CURRENT_RUSTC_VERSION")] - #[rustc_const_stable(feature = "byte_slice_trim_ascii", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "byte_slice_trim_ascii", since = "1.80.0")] + #[rustc_const_stable(feature = "byte_slice_trim_ascii", since = "1.80.0")] #[inline] pub const fn trim_ascii_start(&self) -> &str { // SAFETY: Removing ASCII characters from a `&str` does not invalidate @@ -2571,8 +2571,8 @@ impl str { /// ``` #[must_use = "this returns the trimmed string as a new slice, \ without modifying the original"] - #[stable(feature = "byte_slice_trim_ascii", since = "CURRENT_RUSTC_VERSION")] - #[rustc_const_stable(feature = "byte_slice_trim_ascii", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "byte_slice_trim_ascii", since = "1.80.0")] + #[rustc_const_stable(feature = "byte_slice_trim_ascii", since = "1.80.0")] #[inline] pub const fn trim_ascii_end(&self) -> &str { // SAFETY: Removing ASCII characters from a `&str` does not invalidate @@ -2597,8 +2597,8 @@ impl str { /// ``` #[must_use = "this returns the trimmed string as a new slice, \ without modifying the original"] - #[stable(feature = "byte_slice_trim_ascii", since = "CURRENT_RUSTC_VERSION")] - #[rustc_const_stable(feature = "byte_slice_trim_ascii", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "byte_slice_trim_ascii", since = "1.80.0")] + #[rustc_const_stable(feature = "byte_slice_trim_ascii", since = "1.80.0")] #[inline] pub const fn trim_ascii(&self) -> &str { // SAFETY: Removing ASCII characters from a `&str` does not invalidate diff --git a/library/core/src/time.rs b/library/core/src/time.rs index dfa58e4f46d0..bc0fa3f0968d 100644 --- a/library/core/src/time.rs +++ b/library/core/src/time.rs @@ -1090,7 +1090,7 @@ impl Duration { /// let dur2 = Duration::new(5, 400_000_000); /// assert_eq!(dur1.div_duration_f64(dur2), 0.5); /// ``` - #[stable(feature = "div_duration", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "div_duration", since = "1.80.0")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] @@ -1111,7 +1111,7 @@ impl Duration { /// let dur2 = Duration::new(5, 400_000_000); /// assert_eq!(dur1.div_duration_f32(dur2), 0.5); /// ``` - #[stable(feature = "div_duration", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "div_duration", since = "1.80.0")] #[must_use = "this returns the result of the operation, \ without modifying the original"] #[inline] diff --git a/library/std/src/io/mod.rs b/library/std/src/io/mod.rs index f55ec1588f91..97b72f9664bb 100644 --- a/library/std/src/io/mod.rs +++ b/library/std/src/io/mod.rs @@ -2058,7 +2058,7 @@ pub trait Seek { /// ``` /// /// [`BufReader`]: crate::io::BufReader - #[stable(feature = "seek_seek_relative", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "seek_seek_relative", since = "1.80.0")] fn seek_relative(&mut self, offset: i64) -> Result<()> { self.seek(SeekFrom::Current(offset))?; Ok(()) diff --git a/library/std/src/prelude/common.rs b/library/std/src/prelude/common.rs index ceee3e33c3ef..055ab7eb6d98 100644 --- a/library/std/src/prelude/common.rs +++ b/library/std/src/prelude/common.rs @@ -14,7 +14,7 @@ pub use crate::ops::{Drop, Fn, FnMut, FnOnce}; #[stable(feature = "rust1", since = "1.0.0")] #[doc(no_inline)] pub use crate::mem::drop; -#[stable(feature = "size_of_prelude", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "size_of_prelude", since = "1.80.0")] #[doc(no_inline)] pub use crate::mem::{align_of, align_of_val, size_of, size_of_val}; diff --git a/library/std/src/sync/lazy_lock.rs b/library/std/src/sync/lazy_lock.rs index 7a2eed93dd4f..b70c041fa428 100644 --- a/library/std/src/sync/lazy_lock.rs +++ b/library/std/src/sync/lazy_lock.rs @@ -64,7 +64,7 @@ union Data { /// println!("{}", *data.number); /// } /// ``` -#[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "lazy_cell", since = "1.80.0")] pub struct LazyLock T> { once: Once, data: UnsafeCell>, @@ -85,8 +85,8 @@ impl T> LazyLock { /// assert_eq!(&*lazy, "HELLO, WORLD!"); /// ``` #[inline] - #[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] - #[rustc_const_stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "lazy_cell", since = "1.80.0")] + #[rustc_const_stable(feature = "lazy_cell", since = "1.80.0")] pub const fn new(f: F) -> LazyLock { LazyLock { once: Once::new(), data: UnsafeCell::new(Data { f: ManuallyDrop::new(f) }) } } @@ -152,7 +152,7 @@ impl T> LazyLock { /// assert_eq!(&*lazy, &92); /// ``` #[inline] - #[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "lazy_cell", since = "1.80.0")] pub fn force(this: &LazyLock) -> &T { this.once.call_once(|| { // SAFETY: `call_once` only runs this closure once, ever. @@ -188,7 +188,7 @@ impl LazyLock { } } -#[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "lazy_cell", since = "1.80.0")] impl Drop for LazyLock { fn drop(&mut self) { match self.once.state() { @@ -201,7 +201,7 @@ impl Drop for LazyLock { } } -#[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "lazy_cell", since = "1.80.0")] impl T> Deref for LazyLock { type Target = T; @@ -216,7 +216,7 @@ impl T> Deref for LazyLock { } } -#[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "lazy_cell", since = "1.80.0")] impl Default for LazyLock { /// Creates a new lazy value using `Default` as the initializing function. #[inline] @@ -225,7 +225,7 @@ impl Default for LazyLock { } } -#[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "lazy_cell", since = "1.80.0")] impl fmt::Debug for LazyLock { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { let mut d = f.debug_tuple("LazyLock"); @@ -239,13 +239,13 @@ impl fmt::Debug for LazyLock { // We never create a `&F` from a `&LazyLock` so it is fine // to not impl `Sync` for `F`. -#[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "lazy_cell", since = "1.80.0")] unsafe impl Sync for LazyLock {} // auto-derived `Send` impl is OK. -#[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "lazy_cell", since = "1.80.0")] impl RefUnwindSafe for LazyLock {} -#[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "lazy_cell", since = "1.80.0")] impl UnwindSafe for LazyLock {} #[cfg(test)] diff --git a/library/std/src/sync/mod.rs b/library/std/src/sync/mod.rs index 70e8f5f90c61..2a13b1a8ae2d 100644 --- a/library/std/src/sync/mod.rs +++ b/library/std/src/sync/mod.rs @@ -182,7 +182,7 @@ pub use self::rwlock::{MappedRwLockReadGuard, MappedRwLockWriteGuard}; #[stable(feature = "rust1", since = "1.0.0")] pub use self::rwlock::{RwLock, RwLockReadGuard, RwLockWriteGuard}; -#[stable(feature = "lazy_cell", since = "CURRENT_RUSTC_VERSION")] +#[stable(feature = "lazy_cell", since = "1.80.0")] pub use self::lazy_lock::LazyLock; #[stable(feature = "once_cell", since = "1.70.0")] pub use self::once_lock::OnceLock; From cd2ed56502b65a56c3ef4b518e3f977d2380afaa Mon Sep 17 00:00:00 2001 From: Pietro Albini Date: Tue, 11 Jun 2024 15:08:34 +0200 Subject: [PATCH 1344/1716] remove cfg(bootstrap) --- library/alloc/src/boxed.rs | 3 +- library/alloc/src/lib.rs | 1 - library/core/src/future/async_drop.rs | 1 - library/core/src/future/future.rs | 2 +- library/core/src/intrinsics.rs | 11 +++-- library/core/src/intrinsics/simd.rs | 1 - library/core/src/iter/traits/collect.rs | 3 +- library/core/src/num/int_macros.rs | 18 ++++----- library/core/src/ops/async_function.rs | 8 ++-- library/core/src/ptr/metadata.rs | 40 +------------------ library/std/src/env.rs | 16 -------- src/bootstrap/src/core/build_steps/compile.rs | 5 +-- src/bootstrap/src/core/build_steps/tool.rs | 5 +-- 13 files changed, 22 insertions(+), 92 deletions(-) diff --git a/library/alloc/src/boxed.rs b/library/alloc/src/boxed.rs index 2b5141585de4..01a954ed75be 100644 --- a/library/alloc/src/boxed.rs +++ b/library/alloc/src/boxed.rs @@ -145,8 +145,7 @@ //! to `into_iter()` for boxed slices will defer to the slice implementation on editions before //! 2024: //! -#![cfg_attr(bootstrap, doc = "```rust,edition2021,ignore")] -#![cfg_attr(not(bootstrap), doc = "```rust,edition2021")] +//! ```rust,edition2021 //! // Rust 2015, 2018, and 2021: //! //! # #![allow(boxed_slice_into_iter)] // override our `deny(warnings)` diff --git a/library/alloc/src/lib.rs b/library/alloc/src/lib.rs index 4749b8880fbc..895d1b8d59f2 100644 --- a/library/alloc/src/lib.rs +++ b/library/alloc/src/lib.rs @@ -165,7 +165,6 @@ // // Language features: // tidy-alphabetical-start -#![cfg_attr(bootstrap, feature(exclusive_range_pattern))] #![cfg_attr(not(test), feature(coroutine_trait))] #![cfg_attr(test, feature(panic_update_hook))] #![cfg_attr(test, feature(test))] diff --git a/library/core/src/future/async_drop.rs b/library/core/src/future/async_drop.rs index 25138c445c43..5c3a0a98b105 100644 --- a/library/core/src/future/async_drop.rs +++ b/library/core/src/future/async_drop.rs @@ -256,7 +256,6 @@ async unsafe fn either, M: IntoFuture, T } } -#[cfg(not(bootstrap))] #[lang = "async_drop_deferred_drop_in_place"] async unsafe fn deferred_drop_in_place(to_drop: *mut T) { // SAFETY: same safety requirements as with drop_in_place (implied by diff --git a/library/core/src/future/future.rs b/library/core/src/future/future.rs index 86963b548b9c..c80cfdcebf70 100644 --- a/library/core/src/future/future.rs +++ b/library/core/src/future/future.rs @@ -35,7 +35,7 @@ use crate::task::{Context, Poll}; pub trait Future { /// The type of value produced on completion. #[stable(feature = "futures_api", since = "1.36.0")] - #[cfg_attr(not(bootstrap), lang = "future_output")] + #[lang = "future_output"] type Output; /// Attempt to resolve the future to a final value, registering diff --git a/library/core/src/intrinsics.rs b/library/core/src/intrinsics.rs index 28397fe46190..cd3534ecb123 100644 --- a/library/core/src/intrinsics.rs +++ b/library/core/src/intrinsics.rs @@ -986,7 +986,7 @@ pub const unsafe fn assume(b: bool) { #[unstable(feature = "core_intrinsics", issue = "none")] #[rustc_intrinsic] #[rustc_nounwind] -#[cfg_attr(not(bootstrap), miri::intrinsic_fallback_is_spec)] +#[miri::intrinsic_fallback_is_spec] pub const fn likely(b: bool) -> bool { b } @@ -1006,7 +1006,7 @@ pub const fn likely(b: bool) -> bool { #[unstable(feature = "core_intrinsics", issue = "none")] #[rustc_intrinsic] #[rustc_nounwind] -#[cfg_attr(not(bootstrap), miri::intrinsic_fallback_is_spec)] +#[miri::intrinsic_fallback_is_spec] pub const fn unlikely(b: bool) -> bool { b } @@ -2482,7 +2482,7 @@ extern "rust-intrinsic" { #[rustc_nounwind] #[rustc_do_not_const_check] #[inline] -#[cfg_attr(not(bootstrap), miri::intrinsic_fallback_is_spec)] +#[miri::intrinsic_fallback_is_spec] pub const fn ptr_guaranteed_cmp(ptr: *const T, other: *const T) -> u8 { (ptr == other) as u8 } @@ -2747,7 +2747,7 @@ pub const fn ub_checks() -> bool { #[unstable(feature = "core_intrinsics", issue = "none")] #[rustc_nounwind] #[rustc_intrinsic] -#[cfg_attr(not(bootstrap), miri::intrinsic_fallback_is_spec)] +#[miri::intrinsic_fallback_is_spec] pub const unsafe fn const_allocate(_size: usize, _align: usize) -> *mut u8 { // const eval overrides this function, but runtime code for now just returns null pointers. // See . @@ -2768,7 +2768,7 @@ pub const unsafe fn const_allocate(_size: usize, _align: usize) -> *mut u8 { #[unstable(feature = "core_intrinsics", issue = "none")] #[rustc_nounwind] #[rustc_intrinsic] -#[cfg_attr(not(bootstrap), miri::intrinsic_fallback_is_spec)] +#[miri::intrinsic_fallback_is_spec] pub const unsafe fn const_deallocate(_ptr: *mut u8, _size: usize, _align: usize) { // Runtime NOP } @@ -2828,7 +2828,6 @@ impl AggregateRawPtr<*mut T> for *mut P { #[rustc_const_unstable(feature = "ptr_metadata", issue = "81513")] #[rustc_intrinsic] #[rustc_intrinsic_must_be_overridden] -#[cfg(not(bootstrap))] pub const fn ptr_metadata + ?Sized, M>(_ptr: *const P) -> M { // To implement a fallback we'd have to assume the layout of the pointer, // but the whole point of this intrinsic is that we shouldn't do that. diff --git a/library/core/src/intrinsics/simd.rs b/library/core/src/intrinsics/simd.rs index 820f6b2cddc3..4be5e62ea5bc 100644 --- a/library/core/src/intrinsics/simd.rs +++ b/library/core/src/intrinsics/simd.rs @@ -573,7 +573,6 @@ extern "rust-intrinsic" { /// /// `T` must be a vector of integers. #[rustc_nounwind] - #[cfg(not(bootstrap))] pub fn simd_ctpop(x: T) -> T; /// Count the trailing zeros of each element. diff --git a/library/core/src/iter/traits/collect.rs b/library/core/src/iter/traits/collect.rs index d9d860c7b6cb..61a457890134 100644 --- a/library/core/src/iter/traits/collect.rs +++ b/library/core/src/iter/traits/collect.rs @@ -311,8 +311,7 @@ where label = "`{Self}` is not an iterator", message = "`{Self}` is not an iterator" )] -#[cfg_attr(bootstrap, rustc_skip_array_during_method_dispatch)] -#[cfg_attr(not(bootstrap), rustc_skip_during_method_dispatch(array, boxed_slice))] +#[rustc_skip_during_method_dispatch(array, boxed_slice)] #[stable(feature = "rust1", since = "1.0.0")] pub trait IntoIterator { /// The type of the elements being iterated over. diff --git a/library/core/src/num/int_macros.rs b/library/core/src/num/int_macros.rs index 96510ee4dca6..55bb6166f101 100644 --- a/library/core/src/num/int_macros.rs +++ b/library/core/src/num/int_macros.rs @@ -1165,17 +1165,13 @@ macro_rules! int_impl { #[inline(always)] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces pub const unsafe fn unchecked_neg(self) -> Self { - // ICE resolved by #125184 isn't in bootstrap compiler - #[cfg(not(bootstrap))] - { - assert_unsafe_precondition!( - check_language_ub, - concat!(stringify!($SelfT), "::unchecked_neg cannot overflow"), - ( - lhs: $SelfT = self, - ) => !lhs.overflowing_neg().1, - ); - } + assert_unsafe_precondition!( + check_language_ub, + concat!(stringify!($SelfT), "::unchecked_neg cannot overflow"), + ( + lhs: $SelfT = self, + ) => !lhs.overflowing_neg().1, + ); // SAFETY: this is guaranteed to be safe by the caller. unsafe { diff --git a/library/core/src/ops/async_function.rs b/library/core/src/ops/async_function.rs index f4e9d1a63ac6..48d1042d9df4 100644 --- a/library/core/src/ops/async_function.rs +++ b/library/core/src/ops/async_function.rs @@ -26,7 +26,7 @@ pub trait AsyncFn: AsyncFnMut { pub trait AsyncFnMut: AsyncFnOnce { /// Future returned by [`AsyncFnMut::async_call_mut`] and [`AsyncFn::async_call`]. #[unstable(feature = "async_fn_traits", issue = "none")] - #[cfg_attr(not(bootstrap), lang = "call_ref_future")] + #[lang = "call_ref_future"] type CallRefFuture<'a>: Future where Self: 'a; @@ -47,12 +47,12 @@ pub trait AsyncFnMut: AsyncFnOnce { pub trait AsyncFnOnce { /// Future returned by [`AsyncFnOnce::async_call_once`]. #[unstable(feature = "async_fn_traits", issue = "none")] - #[cfg_attr(not(bootstrap), lang = "call_once_future")] + #[lang = "call_once_future"] type CallOnceFuture: Future; /// Output type of the called closure's future. #[unstable(feature = "async_fn_traits", issue = "none")] - #[cfg_attr(not(bootstrap), lang = "async_fn_once_output")] + #[lang = "async_fn_once_output"] type Output; /// Call the [`AsyncFnOnce`], returning a future which may move out of the called closure. @@ -146,7 +146,7 @@ mod internal_implementation_detail { // `for<'env> fn() -> (&'env T, ...)`. This allows us to represent the binder // of the closure's self-capture, and these upvar types will be instantiated with // the `'closure_env` region provided to the associated type. - #[cfg_attr(not(bootstrap), lang = "async_fn_kind_upvars")] + #[lang = "async_fn_kind_upvars"] type Upvars<'closure_env, Inputs, Upvars, BorrowedUpvarsAsFnPtr>; } } diff --git a/library/core/src/ptr/metadata.rs b/library/core/src/ptr/metadata.rs index 78fe0c5add50..eb86bf662065 100644 --- a/library/core/src/ptr/metadata.rs +++ b/library/core/src/ptr/metadata.rs @@ -3,7 +3,6 @@ use crate::fmt; use crate::hash::{Hash, Hasher}; use crate::intrinsics::aggregate_raw_ptr; -#[cfg(not(bootstrap))] use crate::intrinsics::ptr_metadata; use crate::marker::Freeze; @@ -96,17 +95,7 @@ pub trait Thin = Pointee; #[rustc_const_unstable(feature = "ptr_metadata", issue = "81513")] #[inline] pub const fn metadata(ptr: *const T) -> ::Metadata { - #[cfg(bootstrap)] - { - // SAFETY: Accessing the value from the `PtrRepr` union is safe since *const T - // and PtrComponents have the same memory layouts. Only std can make this - // guarantee. - unsafe { PtrRepr { const_ptr: ptr }.components.metadata } - } - #[cfg(not(bootstrap))] - { - ptr_metadata(ptr) - } + ptr_metadata(ptr) } /// Forms a (possibly-wide) raw pointer from a data pointer and metadata. @@ -140,33 +129,6 @@ pub const fn from_raw_parts_mut( aggregate_raw_ptr(data_pointer, metadata) } -#[repr(C)] -#[cfg(bootstrap)] -union PtrRepr { - const_ptr: *const T, - mut_ptr: *mut T, - components: PtrComponents, -} - -#[repr(C)] -#[cfg(bootstrap)] -struct PtrComponents { - data_pointer: *const (), - metadata: ::Metadata, -} - -// Manual impl needed to avoid `T: Copy` bound. -#[cfg(bootstrap)] -impl Copy for PtrComponents {} - -// Manual impl needed to avoid `T: Clone` bound. -#[cfg(bootstrap)] -impl Clone for PtrComponents { - fn clone(&self) -> Self { - *self - } -} - /// The metadata for a `Dyn = dyn SomeTrait` trait object type. /// /// It is a pointer to a vtable (virtual call table) diff --git a/library/std/src/env.rs b/library/std/src/env.rs index 4d649f8a6f13..b7b817d97c97 100644 --- a/library/std/src/env.rs +++ b/library/std/src/env.rs @@ -361,20 +361,12 @@ impl Error for VarError { /// } /// assert_eq!(env::var(key), Ok("VALUE".to_string())); /// ``` -#[cfg(not(bootstrap))] #[rustc_deprecated_safe_2024] #[stable(feature = "env", since = "1.0.0")] pub unsafe fn set_var, V: AsRef>(key: K, value: V) { _set_var(key.as_ref(), value.as_ref()) } -#[cfg(bootstrap)] -#[allow(missing_docs)] -#[stable(feature = "env", since = "1.0.0")] -pub fn set_var, V: AsRef>(key: K, value: V) { - unsafe { _set_var(key.as_ref(), value.as_ref()) } -} - unsafe fn _set_var(key: &OsStr, value: &OsStr) { os_imp::setenv(key, value).unwrap_or_else(|e| { panic!("failed to set environment variable `{key:?}` to `{value:?}`: {e}") @@ -434,20 +426,12 @@ unsafe fn _set_var(key: &OsStr, value: &OsStr) { /// } /// assert!(env::var(key).is_err()); /// ``` -#[cfg(not(bootstrap))] #[rustc_deprecated_safe_2024] #[stable(feature = "env", since = "1.0.0")] pub unsafe fn remove_var>(key: K) { _remove_var(key.as_ref()) } -#[cfg(bootstrap)] -#[allow(missing_docs)] -#[stable(feature = "env", since = "1.0.0")] -pub fn remove_var>(key: K) { - unsafe { _remove_var(key.as_ref()) } -} - unsafe fn _remove_var(key: &OsStr) { os_imp::unsetenv(key) .unwrap_or_else(|e| panic!("failed to remove environment variable `{key:?}`: {e}")) diff --git a/src/bootstrap/src/core/build_steps/compile.rs b/src/bootstrap/src/core/build_steps/compile.rs index 66692a2a2cbb..a3a4d552c633 100644 --- a/src/bootstrap/src/core/build_steps/compile.rs +++ b/src/bootstrap/src/core/build_steps/compile.rs @@ -1008,10 +1008,7 @@ pub fn rustc_cargo( // If the rustc output is piped to e.g. `head -n1` we want the process to be // killed, rather than having an error bubble up and cause a panic. - // FIXME: Synthetic #[cfg(bootstrap)]. Remove when the bootstrap compiler supports it. - if compiler.stage != 0 { - cargo.rustflag("-Zon-broken-pipe=kill"); - } + cargo.rustflag("-Zon-broken-pipe=kill"); // We currently don't support cross-crate LTO in stage0. This also isn't hugely necessary // and may just be a time sink. diff --git a/src/bootstrap/src/core/build_steps/tool.rs b/src/bootstrap/src/core/build_steps/tool.rs index 9df4698f21f3..47bed6269db7 100644 --- a/src/bootstrap/src/core/build_steps/tool.rs +++ b/src/bootstrap/src/core/build_steps/tool.rs @@ -521,10 +521,7 @@ impl Step for Rustdoc { // If the rustdoc output is piped to e.g. `head -n1` we want the process // to be killed, rather than having an error bubble up and cause a // panic. - // FIXME: Synthetic #[cfg(bootstrap)]. Remove when the bootstrap compiler supports it. - if build_compiler.stage > 0 { - cargo.rustflag("-Zon-broken-pipe=kill"); - } + cargo.rustflag("-Zon-broken-pipe=kill"); let _guard = builder.msg_tool( Kind::Build, From b595e1977a6a21f9b7608e3b81e3844dea52a1f8 Mon Sep 17 00:00:00 2001 From: Pietro Albini Date: Tue, 11 Jun 2024 15:43:02 +0200 Subject: [PATCH 1345/1716] cargo -Zcheck-cfg is now stable --- src/bootstrap/src/core/builder.rs | 1 - 1 file changed, 1 deletion(-) diff --git a/src/bootstrap/src/core/builder.rs b/src/bootstrap/src/core/builder.rs index 12d2bb18ab7c..d9e4cbae17d7 100644 --- a/src/bootstrap/src/core/builder.rs +++ b/src/bootstrap/src/core/builder.rs @@ -1566,7 +1566,6 @@ impl<'a> Builder<'a> { // features but cargo isn't involved in the #[path] process and so cannot pass the // complete list of features, so for that reason we don't enable checking of // features for std crates. - cargo.arg("-Zcheck-cfg"); if mode == Mode::Std { rustflags.arg("--check-cfg=cfg(feature,values(any()))"); } From bb8eb44511d24b6081c15dbada56f80813d99a4c Mon Sep 17 00:00:00 2001 From: Tobias Bucher Date: Tue, 11 Jun 2024 12:40:03 +0200 Subject: [PATCH 1346/1716] Unify guarantees about the default allocator `std::alloc` said that the default allocator is unspecified for all crrate types except `cdylib` and `staticlib`. Adjust `std::alloc::System` documentation to say the same. Fixes #125870. --- library/std/src/alloc.rs | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/library/std/src/alloc.rs b/library/std/src/alloc.rs index b98fbbf762fa..dc4924cdf581 100644 --- a/library/std/src/alloc.rs +++ b/library/std/src/alloc.rs @@ -73,7 +73,9 @@ pub use alloc_crate::alloc::*; /// work, such as to serve alignment requests greater than the alignment /// provided directly by the backing system allocator. /// -/// This type implements the `GlobalAlloc` trait and Rust programs by default +/// This type implements the [`GlobalAlloc`] trait. Currently the default +/// global allocator is unspecified. Libraries, however, like `cdylib`s and +/// `staticlib`s are guaranteed to use the [`System`] by default and as such /// work as if they had this definition: /// /// ```rust From 751143ef4031d06e718bcf859f1b3139716d043b Mon Sep 17 00:00:00 2001 From: Chris Denton Date: Tue, 11 Jun 2024 17:12:20 +0000 Subject: [PATCH 1347/1716] set_env: State the conclusion upfront --- library/std/src/env.rs | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/library/std/src/env.rs b/library/std/src/env.rs index 4d649f8a6f13..295e782639bd 100644 --- a/library/std/src/env.rs +++ b/library/std/src/env.rs @@ -323,8 +323,10 @@ impl Error for VarError { /// This function is also always safe to call on Windows, in single-threaded /// and multi-threaded programs. /// -/// In multi-threaded programs on other operating systems, we strongly suggest -/// not using `set_var` or `remove_var` at all. The exact requirement is: you +/// In multi-threaded programs on other operating systems, the only safe option is +/// to not use `set_var` or `remove_var` at all. +/// +/// The exact requirement is: you /// must ensure that there are no other threads concurrently writing or /// *reading*(!) the environment through functions or global variables other /// than the ones in this module. The problem is that these operating systems @@ -390,8 +392,10 @@ unsafe fn _set_var(key: &OsStr, value: &OsStr) { /// This function is also always safe to call on Windows, in single-threaded /// and multi-threaded programs. /// -/// In multi-threaded programs on other operating systems, we strongly suggest -/// not using `set_var` or `remove_var` at all. The exact requirement is: you +/// In multi-threaded programs on other operating systems, the only safe option is +/// to not use `set_var` or `remove_var` at all. +/// +/// The exact requirement is: you /// must ensure that there are no other threads concurrently writing or /// *reading*(!) the environment through functions or global variables other /// than the ones in this module. The problem is that these operating systems From bbc50376b0f44c70e3a17a2db5cd16f3ad4f04f8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?R=C3=A9my=20Rakic?= Date: Tue, 11 Jun 2024 16:30:47 +0000 Subject: [PATCH 1348/1716] ensure the self-contained linker is only enabled on nightly/dev --- src/bootstrap/src/core/build_steps/compile.rs | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/src/bootstrap/src/core/build_steps/compile.rs b/src/bootstrap/src/core/build_steps/compile.rs index 66692a2a2cbb..b16f3e5bd81c 100644 --- a/src/bootstrap/src/core/build_steps/compile.rs +++ b/src/bootstrap/src/core/build_steps/compile.rs @@ -1137,7 +1137,9 @@ pub fn rustc_cargo_env( } // Enable rustc's env var for `rust-lld` when requested. - if builder.config.lld_enabled { + if builder.config.lld_enabled + && (builder.config.channel == "dev" || builder.config.channel == "nightly") + { cargo.env("CFG_USE_SELF_CONTAINED_LINKER", "1"); } From 4038010436d18725dd5c6c8cd91f9f1fca617373 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Fri, 7 Jun 2024 09:48:12 -0400 Subject: [PATCH 1349/1716] Get rid of PredicateObligations --- compiler/rustc_borrowck/src/type_check/relate_tys.rs | 4 ++-- compiler/rustc_hir_typeck/src/coercion.rs | 2 +- compiler/rustc_infer/src/infer/mod.rs | 8 +++----- compiler/rustc_infer/src/infer/relate/combine.rs | 8 ++++---- compiler/rustc_infer/src/infer/relate/glb.rs | 4 ++-- compiler/rustc_infer/src/infer/relate/lub.rs | 4 ++-- compiler/rustc_infer/src/infer/relate/type_relating.rs | 4 ++-- compiler/rustc_infer/src/traits/mod.rs | 2 -- compiler/rustc_trait_selection/src/traits/coherence.rs | 6 ++---- .../rustc_trait_selection/src/traits/query/type_op/mod.rs | 4 ++-- 10 files changed, 20 insertions(+), 26 deletions(-) diff --git a/compiler/rustc_borrowck/src/type_check/relate_tys.rs b/compiler/rustc_borrowck/src/type_check/relate_tys.rs index 2c34fc583c83..cd51d73ba553 100644 --- a/compiler/rustc_borrowck/src/type_check/relate_tys.rs +++ b/compiler/rustc_borrowck/src/type_check/relate_tys.rs @@ -3,7 +3,7 @@ use rustc_errors::ErrorGuaranteed; use rustc_infer::infer::relate::{ObligationEmittingRelation, StructurallyRelateAliases}; use rustc_infer::infer::relate::{Relate, RelateResult, TypeRelation}; use rustc_infer::infer::NllRegionVariableOrigin; -use rustc_infer::traits::{Obligation, PredicateObligations}; +use rustc_infer::traits::{Obligation, PredicateObligation}; use rustc_middle::mir::ConstraintCategory; use rustc_middle::span_bug; use rustc_middle::traits::query::NoSolution; @@ -560,7 +560,7 @@ impl<'bccx, 'tcx> ObligationEmittingRelation<'tcx> for NllTypeRelating<'_, 'bccx ); } - fn register_obligations(&mut self, obligations: PredicateObligations<'tcx>) { + fn register_obligations(&mut self, obligations: Vec>) { let _: Result<_, ErrorGuaranteed> = self.type_checker.fully_perform_op( self.locations, self.category, diff --git a/compiler/rustc_hir_typeck/src/coercion.rs b/compiler/rustc_hir_typeck/src/coercion.rs index dbaa6e398c88..e54a07786cd1 100644 --- a/compiler/rustc_hir_typeck/src/coercion.rs +++ b/compiler/rustc_hir_typeck/src/coercion.rs @@ -113,7 +113,7 @@ fn simple<'tcx>(kind: Adjust<'tcx>) -> impl FnOnce(Ty<'tcx>) -> Vec( adj: Vec>, target: Ty<'tcx>, - obligations: traits::PredicateObligations<'tcx>, + obligations: Vec>, ) -> CoerceResult<'tcx> { Ok(InferOk { value: (adj, target), obligations }) } diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs index c606ab808ef8..98a795e67f83 100644 --- a/compiler/rustc_infer/src/infer/mod.rs +++ b/compiler/rustc_infer/src/infer/mod.rs @@ -9,9 +9,7 @@ pub use SubregionOrigin::*; pub use ValuePairs::*; use crate::infer::relate::{CombineFields, RelateResult}; -use crate::traits::{ - self, ObligationCause, ObligationInspector, PredicateObligations, TraitEngine, -}; +use crate::traits::{self, ObligationCause, ObligationInspector, PredicateObligation, TraitEngine}; use error_reporting::TypeErrCtxt; use free_regions::RegionRelations; use lexical_region_resolve::LexicalRegionResolutions; @@ -68,7 +66,7 @@ pub mod type_variable; #[derive(Debug)] pub struct InferOk<'tcx, T> { pub value: T, - pub obligations: PredicateObligations<'tcx>, + pub obligations: Vec>, } pub type InferResult<'tcx, T> = Result, TypeError<'tcx>>; @@ -748,7 +746,7 @@ impl<'tcx, T> InferOk<'tcx, T> { } impl<'tcx> InferOk<'tcx, ()> { - pub fn into_obligations(self) -> PredicateObligations<'tcx> { + pub fn into_obligations(self) -> Vec> { self.obligations } } diff --git a/compiler/rustc_infer/src/infer/relate/combine.rs b/compiler/rustc_infer/src/infer/relate/combine.rs index 30cb2bab9008..e62ef5d4ea41 100644 --- a/compiler/rustc_infer/src/infer/relate/combine.rs +++ b/compiler/rustc_infer/src/infer/relate/combine.rs @@ -25,7 +25,7 @@ use super::StructurallyRelateAliases; use super::{RelateResult, TypeRelation}; use crate::infer::relate; use crate::infer::{DefineOpaqueTypes, InferCtxt, TypeTrace}; -use crate::traits::{Obligation, PredicateObligations}; +use crate::traits::{Obligation, PredicateObligation}; use rustc_middle::bug; use rustc_middle::infer::unify_key::EffectVarValue; use rustc_middle::ty::error::{ExpectedFound, TypeError}; @@ -38,7 +38,7 @@ pub struct CombineFields<'infcx, 'tcx> { pub infcx: &'infcx InferCtxt<'tcx>, pub trace: TypeTrace<'tcx>, pub param_env: ty::ParamEnv<'tcx>, - pub obligations: PredicateObligations<'tcx>, + pub obligations: Vec>, pub define_opaque_types: DefineOpaqueTypes, } @@ -290,7 +290,7 @@ impl<'infcx, 'tcx> CombineFields<'infcx, 'tcx> { Glb::new(self) } - pub fn register_obligations(&mut self, obligations: PredicateObligations<'tcx>) { + pub fn register_obligations(&mut self, obligations: Vec>) { self.obligations.extend(obligations); } @@ -315,7 +315,7 @@ pub trait ObligationEmittingRelation<'tcx>: TypeRelation> { fn structurally_relate_aliases(&self) -> StructurallyRelateAliases; /// Register obligations that must hold in order for this relation to hold - fn register_obligations(&mut self, obligations: PredicateObligations<'tcx>); + fn register_obligations(&mut self, obligations: Vec>); /// Register predicates that must hold in order for this relation to hold. Uses /// a default obligation cause, [`ObligationEmittingRelation::register_obligations`] should diff --git a/compiler/rustc_infer/src/infer/relate/glb.rs b/compiler/rustc_infer/src/infer/relate/glb.rs index 98e8f07c7a21..ca772b349d2c 100644 --- a/compiler/rustc_infer/src/infer/relate/glb.rs +++ b/compiler/rustc_infer/src/infer/relate/glb.rs @@ -8,7 +8,7 @@ use super::combine::{CombineFields, ObligationEmittingRelation}; use super::lattice::{self, LatticeDir}; use super::StructurallyRelateAliases; use crate::infer::{DefineOpaqueTypes, InferCtxt, SubregionOrigin}; -use crate::traits::{ObligationCause, PredicateObligations}; +use crate::traits::{ObligationCause, PredicateObligation}; /// "Greatest lower bound" (common subtype) pub struct Glb<'combine, 'infcx, 'tcx> { @@ -147,7 +147,7 @@ impl<'tcx> ObligationEmittingRelation<'tcx> for Glb<'_, '_, 'tcx> { self.fields.register_predicates(obligations); } - fn register_obligations(&mut self, obligations: PredicateObligations<'tcx>) { + fn register_obligations(&mut self, obligations: Vec>) { self.fields.register_obligations(obligations); } diff --git a/compiler/rustc_infer/src/infer/relate/lub.rs b/compiler/rustc_infer/src/infer/relate/lub.rs index 28dbaa94f95d..0b9de8de0017 100644 --- a/compiler/rustc_infer/src/infer/relate/lub.rs +++ b/compiler/rustc_infer/src/infer/relate/lub.rs @@ -4,7 +4,7 @@ use super::combine::{CombineFields, ObligationEmittingRelation}; use super::lattice::{self, LatticeDir}; use super::StructurallyRelateAliases; use crate::infer::{DefineOpaqueTypes, InferCtxt, SubregionOrigin}; -use crate::traits::{ObligationCause, PredicateObligations}; +use crate::traits::{ObligationCause, PredicateObligation}; use super::{Relate, RelateResult, TypeRelation}; use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitableExt}; @@ -147,7 +147,7 @@ impl<'tcx> ObligationEmittingRelation<'tcx> for Lub<'_, '_, 'tcx> { self.fields.register_predicates(obligations); } - fn register_obligations(&mut self, obligations: PredicateObligations<'tcx>) { + fn register_obligations(&mut self, obligations: Vec>) { self.fields.register_obligations(obligations) } diff --git a/compiler/rustc_infer/src/infer/relate/type_relating.rs b/compiler/rustc_infer/src/infer/relate/type_relating.rs index fd0bc9f44f75..447e4d6bfd8c 100644 --- a/compiler/rustc_infer/src/infer/relate/type_relating.rs +++ b/compiler/rustc_infer/src/infer/relate/type_relating.rs @@ -1,7 +1,7 @@ use super::combine::CombineFields; use crate::infer::BoundRegionConversionTime::HigherRankedType; use crate::infer::{DefineOpaqueTypes, SubregionOrigin}; -use crate::traits::{Obligation, PredicateObligations}; +use crate::traits::{Obligation, PredicateObligation}; use super::{ relate_args_invariantly, relate_args_with_variances, ObligationEmittingRelation, Relate, @@ -318,7 +318,7 @@ impl<'tcx> ObligationEmittingRelation<'tcx> for TypeRelating<'_, '_, 'tcx> { self.fields.register_predicates(obligations); } - fn register_obligations(&mut self, obligations: PredicateObligations<'tcx>) { + fn register_obligations(&mut self, obligations: Vec>) { self.fields.register_obligations(obligations); } diff --git a/compiler/rustc_infer/src/traits/mod.rs b/compiler/rustc_infer/src/traits/mod.rs index ca6c6570e072..556b3bd063da 100644 --- a/compiler/rustc_infer/src/traits/mod.rs +++ b/compiler/rustc_infer/src/traits/mod.rs @@ -114,8 +114,6 @@ impl<'tcx> PolyTraitObligation<'tcx> { #[cfg(target_pointer_width = "64")] rustc_data_structures::static_assert_size!(PredicateObligation<'_>, 48); -pub type PredicateObligations<'tcx> = Vec>; - pub type Selection<'tcx> = ImplSource<'tcx, PredicateObligation<'tcx>>; /// A callback that can be provided to `inspect_typeck`. Invoked on evaluation diff --git a/compiler/rustc_trait_selection/src/traits/coherence.rs b/compiler/rustc_trait_selection/src/traits/coherence.rs index 1ef2f26cd09a..fc5c71252e1c 100644 --- a/compiler/rustc_trait_selection/src/traits/coherence.rs +++ b/compiler/rustc_trait_selection/src/traits/coherence.rs @@ -12,9 +12,7 @@ use crate::traits::select::IntercrateAmbiguityCause; use crate::traits::NormalizeExt; use crate::traits::SkipLeakCheck; use crate::traits::{util, FulfillmentErrorCode}; -use crate::traits::{ - Obligation, ObligationCause, PredicateObligation, PredicateObligations, SelectionContext, -}; +use crate::traits::{Obligation, ObligationCause, PredicateObligation, SelectionContext}; use rustc_data_structures::fx::FxIndexSet; use rustc_errors::{Diag, EmissionGuarantee}; use rustc_hir::def::DefKind; @@ -305,7 +303,7 @@ fn equate_impl_headers<'tcx>( param_env: ty::ParamEnv<'tcx>, impl1: &ty::ImplHeader<'tcx>, impl2: &ty::ImplHeader<'tcx>, -) -> Option> { +) -> Option>> { let result = match (impl1.trait_ref, impl2.trait_ref) { (Some(impl1_ref), Some(impl2_ref)) => infcx diff --git a/compiler/rustc_trait_selection/src/traits/query/type_op/mod.rs b/compiler/rustc_trait_selection/src/traits/query/type_op/mod.rs index ae4cdb9258e2..c1b1bfd300ba 100644 --- a/compiler/rustc_trait_selection/src/traits/query/type_op/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/query/type_op/mod.rs @@ -5,7 +5,7 @@ use crate::infer::{InferCtxt, InferOk}; use crate::traits::{ObligationCause, ObligationCtxt}; use rustc_errors::ErrorGuaranteed; use rustc_infer::infer::canonical::Certainty; -use rustc_infer::traits::PredicateObligations; +use rustc_infer::traits::PredicateObligation; use rustc_middle::traits::query::NoSolution; use rustc_middle::ty::fold::TypeFoldable; use rustc_middle::ty::{ParamEnvAnd, TyCtxt}; @@ -103,7 +103,7 @@ pub trait QueryTypeOp<'tcx>: fmt::Debug + Copy + TypeFoldable> + 't ( Self::QueryResponse, Option>>, - PredicateObligations<'tcx>, + Vec>, Certainty, ), NoSolution, From 44a6f72a725d1e274d734473c95f95caa5c6fbb6 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Fri, 7 Jun 2024 10:05:47 -0400 Subject: [PATCH 1350/1716] Make ObligationEmittingRelation deal with Goals only --- .../src/type_check/relate_tys.rs | 38 ++++++++++---- compiler/rustc_infer/src/infer/at.rs | 52 ++++++++++--------- .../rustc_infer/src/infer/relate/combine.rs | 35 ++++++++++--- compiler/rustc_infer/src/infer/relate/glb.rs | 10 ++-- .../rustc_infer/src/infer/relate/lattice.rs | 9 +++- compiler/rustc_infer/src/infer/relate/lub.rs | 10 ++-- .../src/infer/relate/type_relating.rs | 25 +++++---- 7 files changed, 119 insertions(+), 60 deletions(-) diff --git a/compiler/rustc_borrowck/src/type_check/relate_tys.rs b/compiler/rustc_borrowck/src/type_check/relate_tys.rs index cd51d73ba553..a87b9f7a23dd 100644 --- a/compiler/rustc_borrowck/src/type_check/relate_tys.rs +++ b/compiler/rustc_borrowck/src/type_check/relate_tys.rs @@ -3,7 +3,8 @@ use rustc_errors::ErrorGuaranteed; use rustc_infer::infer::relate::{ObligationEmittingRelation, StructurallyRelateAliases}; use rustc_infer::infer::relate::{Relate, RelateResult, TypeRelation}; use rustc_infer::infer::NllRegionVariableOrigin; -use rustc_infer::traits::{Obligation, PredicateObligation}; +use rustc_infer::traits::solve::Goal; +use rustc_infer::traits::Obligation; use rustc_middle::mir::ConstraintCategory; use rustc_middle::span_bug; use rustc_middle::traits::query::NoSolution; @@ -154,8 +155,13 @@ impl<'me, 'bccx, 'tcx> NllTypeRelating<'me, 'bccx, 'tcx> { ), }; let cause = ObligationCause::dummy_with_span(self.span()); - let obligations = infcx.handle_opaque_type(a, b, &cause, self.param_env())?.obligations; - self.register_obligations(obligations); + self.register_obligations( + infcx + .handle_opaque_type(a, b, &cause, self.param_env())? + .obligations + .into_iter() + .map(Goal::from), + ); Ok(()) } @@ -550,22 +556,32 @@ impl<'bccx, 'tcx> ObligationEmittingRelation<'tcx> for NllTypeRelating<'_, 'bccx &mut self, obligations: impl IntoIterator, ty::Predicate<'tcx>>>, ) { + let tcx = self.tcx(); + let param_env = self.param_env(); self.register_obligations( - obligations - .into_iter() - .map(|to_pred| { - Obligation::new(self.tcx(), ObligationCause::dummy(), self.param_env(), to_pred) - }) - .collect(), + obligations.into_iter().map(|to_pred| Goal::new(tcx, param_env, to_pred)), ); } - fn register_obligations(&mut self, obligations: Vec>) { + fn register_obligations( + &mut self, + obligations: impl IntoIterator>>, + ) { let _: Result<_, ErrorGuaranteed> = self.type_checker.fully_perform_op( self.locations, self.category, InstantiateOpaqueType { - obligations, + obligations: obligations + .into_iter() + .map(|goal| { + Obligation::new( + self.tcx(), + ObligationCause::dummy_with_span(self.span()), + goal.param_env, + goal.predicate, + ) + }) + .collect(), // These fields are filled in during execution of the operation base_universe: None, region_constraints: None, diff --git a/compiler/rustc_infer/src/infer/at.rs b/compiler/rustc_infer/src/infer/at.rs index 046d908d148d..8994739f5c7f 100644 --- a/compiler/rustc_infer/src/infer/at.rs +++ b/compiler/rustc_infer/src/infer/at.rs @@ -31,6 +31,8 @@ use crate::infer::relate::{Relate, StructurallyRelateAliases, TypeRelation}; use rustc_middle::bug; use rustc_middle::ty::{Const, ImplSubject}; +use crate::traits::Obligation; + /// Whether we should define opaque types or just treat them opaquely. /// /// Currently only used to prevent predicate matching from matching anything @@ -119,10 +121,8 @@ impl<'a, 'tcx> At<'a, 'tcx> { self.param_env, define_opaque_types, ); - fields - .sup() - .relate(expected, actual) - .map(|_| InferOk { value: (), obligations: fields.obligations }) + fields.sup().relate(expected, actual)?; + Ok(InferOk { value: (), obligations: fields.into_obligations() }) } /// Makes `expected <: actual`. @@ -141,10 +141,8 @@ impl<'a, 'tcx> At<'a, 'tcx> { self.param_env, define_opaque_types, ); - fields - .sub() - .relate(expected, actual) - .map(|_| InferOk { value: (), obligations: fields.obligations }) + fields.sub().relate(expected, actual)?; + Ok(InferOk { value: (), obligations: fields.into_obligations() }) } /// Makes `expected == actual`. @@ -163,10 +161,22 @@ impl<'a, 'tcx> At<'a, 'tcx> { self.param_env, define_opaque_types, ); - fields - .equate(StructurallyRelateAliases::No) - .relate(expected, actual) - .map(|_| InferOk { value: (), obligations: fields.obligations }) + fields.equate(StructurallyRelateAliases::No).relate(expected, actual)?; + Ok(InferOk { + value: (), + obligations: fields + .obligations + .into_iter() + .map(|goal| { + Obligation::new( + self.infcx.tcx, + fields.trace.cause.clone(), + goal.param_env, + goal.predicate, + ) + }) + .collect(), + }) } /// Equates `expected` and `found` while structurally relating aliases. @@ -187,10 +197,8 @@ impl<'a, 'tcx> At<'a, 'tcx> { self.param_env, DefineOpaqueTypes::Yes, ); - fields - .equate(StructurallyRelateAliases::Yes) - .relate(expected, actual) - .map(|_| InferOk { value: (), obligations: fields.obligations }) + fields.equate(StructurallyRelateAliases::Yes).relate(expected, actual)?; + Ok(InferOk { value: (), obligations: fields.into_obligations() }) } pub fn relate( @@ -237,10 +245,8 @@ impl<'a, 'tcx> At<'a, 'tcx> { self.param_env, define_opaque_types, ); - fields - .lub() - .relate(expected, actual) - .map(|value| InferOk { value, obligations: fields.obligations }) + let value = fields.lub().relate(expected, actual)?; + Ok(InferOk { value, obligations: fields.into_obligations() }) } /// Computes the greatest-lower-bound, or mutual subtype, of two @@ -261,10 +267,8 @@ impl<'a, 'tcx> At<'a, 'tcx> { self.param_env, define_opaque_types, ); - fields - .glb() - .relate(expected, actual) - .map(|value| InferOk { value, obligations: fields.obligations }) + let value = fields.glb().relate(expected, actual)?; + Ok(InferOk { value, obligations: fields.into_obligations() }) } } diff --git a/compiler/rustc_infer/src/infer/relate/combine.rs b/compiler/rustc_infer/src/infer/relate/combine.rs index e62ef5d4ea41..1a0a0d10c6da 100644 --- a/compiler/rustc_infer/src/infer/relate/combine.rs +++ b/compiler/rustc_infer/src/infer/relate/combine.rs @@ -28,6 +28,7 @@ use crate::infer::{DefineOpaqueTypes, InferCtxt, TypeTrace}; use crate::traits::{Obligation, PredicateObligation}; use rustc_middle::bug; use rustc_middle::infer::unify_key::EffectVarValue; +use rustc_middle::traits::solve::Goal; use rustc_middle::ty::error::{ExpectedFound, TypeError}; use rustc_middle::ty::{self, InferConst, Ty, TyCtxt, TypeVisitableExt, Upcast}; use rustc_middle::ty::{IntType, UintType}; @@ -38,7 +39,7 @@ pub struct CombineFields<'infcx, 'tcx> { pub infcx: &'infcx InferCtxt<'tcx>, pub trace: TypeTrace<'tcx>, pub param_env: ty::ParamEnv<'tcx>, - pub obligations: Vec>, + pub obligations: Vec>>, pub define_opaque_types: DefineOpaqueTypes, } @@ -51,6 +52,20 @@ impl<'infcx, 'tcx> CombineFields<'infcx, 'tcx> { ) -> Self { Self { infcx, trace, param_env, define_opaque_types, obligations: vec![] } } + + pub(crate) fn into_obligations(self) -> Vec> { + self.obligations + .into_iter() + .map(|goal| { + Obligation::new( + self.infcx.tcx, + self.trace.cause.clone(), + goal.param_env, + goal.predicate, + ) + }) + .collect() + } } impl<'tcx> InferCtxt<'tcx> { @@ -290,7 +305,10 @@ impl<'infcx, 'tcx> CombineFields<'infcx, 'tcx> { Glb::new(self) } - pub fn register_obligations(&mut self, obligations: Vec>) { + pub fn register_obligations( + &mut self, + obligations: impl IntoIterator>>, + ) { self.obligations.extend(obligations); } @@ -298,9 +316,11 @@ impl<'infcx, 'tcx> CombineFields<'infcx, 'tcx> { &mut self, obligations: impl IntoIterator, ty::Predicate<'tcx>>>, ) { - self.obligations.extend(obligations.into_iter().map(|to_pred| { - Obligation::new(self.infcx.tcx, self.trace.cause.clone(), self.param_env, to_pred) - })) + self.obligations.extend( + obligations + .into_iter() + .map(|to_pred| Goal::new(self.infcx.tcx, self.param_env, to_pred)), + ) } } @@ -315,7 +335,10 @@ pub trait ObligationEmittingRelation<'tcx>: TypeRelation> { fn structurally_relate_aliases(&self) -> StructurallyRelateAliases; /// Register obligations that must hold in order for this relation to hold - fn register_obligations(&mut self, obligations: Vec>); + fn register_obligations( + &mut self, + obligations: impl IntoIterator>>, + ); /// Register predicates that must hold in order for this relation to hold. Uses /// a default obligation cause, [`ObligationEmittingRelation::register_obligations`] should diff --git a/compiler/rustc_infer/src/infer/relate/glb.rs b/compiler/rustc_infer/src/infer/relate/glb.rs index ca772b349d2c..6f37995ac1ea 100644 --- a/compiler/rustc_infer/src/infer/relate/glb.rs +++ b/compiler/rustc_infer/src/infer/relate/glb.rs @@ -1,6 +1,7 @@ //! Greatest lower bound. See [`lattice`]. -use super::{Relate, RelateResult, TypeRelation}; +use rustc_middle::traits::solve::Goal; +use rustc_middle::ty::relate::{Relate, RelateResult, TypeRelation}; use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitableExt}; use rustc_span::Span; @@ -8,7 +9,7 @@ use super::combine::{CombineFields, ObligationEmittingRelation}; use super::lattice::{self, LatticeDir}; use super::StructurallyRelateAliases; use crate::infer::{DefineOpaqueTypes, InferCtxt, SubregionOrigin}; -use crate::traits::{ObligationCause, PredicateObligation}; +use crate::traits::ObligationCause; /// "Greatest lower bound" (common subtype) pub struct Glb<'combine, 'infcx, 'tcx> { @@ -147,7 +148,10 @@ impl<'tcx> ObligationEmittingRelation<'tcx> for Glb<'_, '_, 'tcx> { self.fields.register_predicates(obligations); } - fn register_obligations(&mut self, obligations: Vec>) { + fn register_obligations( + &mut self, + obligations: impl IntoIterator>>, + ) { self.fields.register_obligations(obligations); } diff --git a/compiler/rustc_infer/src/infer/relate/lattice.rs b/compiler/rustc_infer/src/infer/relate/lattice.rs index f05b984142ae..8c6f1690ade7 100644 --- a/compiler/rustc_infer/src/infer/relate/lattice.rs +++ b/compiler/rustc_infer/src/infer/relate/lattice.rs @@ -21,7 +21,8 @@ use super::combine::ObligationEmittingRelation; use crate::infer::{DefineOpaqueTypes, InferCtxt}; use crate::traits::ObligationCause; -use super::RelateResult; +use rustc_middle::traits::solve::Goal; +use rustc_middle::ty::relate::RelateResult; use rustc_middle::ty::TyVar; use rustc_middle::ty::{self, Ty}; @@ -109,7 +110,11 @@ where && !this.infcx().next_trait_solver() => { this.register_obligations( - infcx.handle_opaque_type(a, b, this.cause(), this.param_env())?.obligations, + infcx + .handle_opaque_type(a, b, this.cause(), this.param_env())? + .obligations + .into_iter() + .map(Goal::from), ); Ok(a) } diff --git a/compiler/rustc_infer/src/infer/relate/lub.rs b/compiler/rustc_infer/src/infer/relate/lub.rs index 0b9de8de0017..625cc02115a7 100644 --- a/compiler/rustc_infer/src/infer/relate/lub.rs +++ b/compiler/rustc_infer/src/infer/relate/lub.rs @@ -4,9 +4,10 @@ use super::combine::{CombineFields, ObligationEmittingRelation}; use super::lattice::{self, LatticeDir}; use super::StructurallyRelateAliases; use crate::infer::{DefineOpaqueTypes, InferCtxt, SubregionOrigin}; -use crate::traits::{ObligationCause, PredicateObligation}; +use crate::traits::ObligationCause; -use super::{Relate, RelateResult, TypeRelation}; +use rustc_middle::traits::solve::Goal; +use rustc_middle::ty::relate::{Relate, RelateResult, TypeRelation}; use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitableExt}; use rustc_span::Span; @@ -147,7 +148,10 @@ impl<'tcx> ObligationEmittingRelation<'tcx> for Lub<'_, '_, 'tcx> { self.fields.register_predicates(obligations); } - fn register_obligations(&mut self, obligations: Vec>) { + fn register_obligations( + &mut self, + obligations: impl IntoIterator>>, + ) { self.fields.register_obligations(obligations) } diff --git a/compiler/rustc_infer/src/infer/relate/type_relating.rs b/compiler/rustc_infer/src/infer/relate/type_relating.rs index 447e4d6bfd8c..328e4d8902f6 100644 --- a/compiler/rustc_infer/src/infer/relate/type_relating.rs +++ b/compiler/rustc_infer/src/infer/relate/type_relating.rs @@ -1,11 +1,10 @@ use super::combine::CombineFields; +use crate::infer::relate::{ObligationEmittingRelation, StructurallyRelateAliases}; use crate::infer::BoundRegionConversionTime::HigherRankedType; use crate::infer::{DefineOpaqueTypes, SubregionOrigin}; -use crate::traits::{Obligation, PredicateObligation}; - -use super::{ - relate_args_invariantly, relate_args_with_variances, ObligationEmittingRelation, Relate, - RelateResult, StructurallyRelateAliases, TypeRelation, +use rustc_middle::traits::solve::Goal; +use rustc_middle::ty::relate::{ + relate_args_invariantly, relate_args_with_variances, Relate, RelateResult, TypeRelation, }; use rustc_middle::ty::TyVar; use rustc_middle::ty::{self, Ty, TyCtxt}; @@ -88,9 +87,8 @@ impl<'tcx> TypeRelation> for TypeRelating<'_, '_, 'tcx> { ty::Covariant => { // can't make progress on `A <: B` if both A and B are // type variables, so record an obligation. - self.fields.obligations.push(Obligation::new( + self.fields.obligations.push(Goal::new( self.tcx(), - self.fields.trace.cause.clone(), self.fields.param_env, ty::Binder::dummy(ty::PredicateKind::Subtype(ty::SubtypePredicate { a_is_expected: true, @@ -102,9 +100,8 @@ impl<'tcx> TypeRelation> for TypeRelating<'_, '_, 'tcx> { ty::Contravariant => { // can't make progress on `B <: A` if both A and B are // type variables, so record an obligation. - self.fields.obligations.push(Obligation::new( + self.fields.obligations.push(Goal::new( self.tcx(), - self.fields.trace.cause.clone(), self.fields.param_env, ty::Binder::dummy(ty::PredicateKind::Subtype(ty::SubtypePredicate { a_is_expected: false, @@ -153,10 +150,13 @@ impl<'tcx> TypeRelation> for TypeRelating<'_, '_, 'tcx> { && def_id.is_local() && !infcx.next_trait_solver() => { + // FIXME: Don't shuttle between Goal and Obligation self.fields.obligations.extend( infcx .handle_opaque_type(a, b, &self.fields.trace.cause, self.param_env())? - .obligations, + .obligations + .into_iter() + .map(Goal::from), ); } @@ -318,7 +318,10 @@ impl<'tcx> ObligationEmittingRelation<'tcx> for TypeRelating<'_, '_, 'tcx> { self.fields.register_predicates(obligations); } - fn register_obligations(&mut self, obligations: Vec>) { + fn register_obligations( + &mut self, + obligations: impl IntoIterator>>, + ) { self.fields.register_obligations(obligations); } From 4efb13b0c24363daf63be0ce98ab612a42fbff30 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Fri, 7 Jun 2024 10:13:05 -0400 Subject: [PATCH 1351/1716] Rename some things --- .../src/type_check/relate_tys.rs | 12 ++++----- compiler/rustc_infer/src/infer/at.rs | 2 +- compiler/rustc_infer/src/infer/mod.rs | 5 +++- .../rustc_infer/src/infer/relate/combine.rs | 27 +++++++++---------- .../src/infer/relate/generalize.rs | 6 ++--- compiler/rustc_infer/src/infer/relate/glb.rs | 8 +++--- .../rustc_infer/src/infer/relate/lattice.rs | 6 ++--- compiler/rustc_infer/src/infer/relate/lub.rs | 8 +++--- compiler/rustc_infer/src/infer/relate/mod.rs | 2 +- .../src/infer/relate/type_relating.rs | 14 +++++----- 10 files changed, 46 insertions(+), 44 deletions(-) diff --git a/compiler/rustc_borrowck/src/type_check/relate_tys.rs b/compiler/rustc_borrowck/src/type_check/relate_tys.rs index a87b9f7a23dd..e9215a102c3c 100644 --- a/compiler/rustc_borrowck/src/type_check/relate_tys.rs +++ b/compiler/rustc_borrowck/src/type_check/relate_tys.rs @@ -1,6 +1,6 @@ use rustc_data_structures::fx::FxHashMap; use rustc_errors::ErrorGuaranteed; -use rustc_infer::infer::relate::{ObligationEmittingRelation, StructurallyRelateAliases}; +use rustc_infer::infer::relate::{PredicateEmittingRelation, StructurallyRelateAliases}; use rustc_infer::infer::relate::{Relate, RelateResult, TypeRelation}; use rustc_infer::infer::NllRegionVariableOrigin; use rustc_infer::traits::solve::Goal; @@ -155,7 +155,7 @@ impl<'me, 'bccx, 'tcx> NllTypeRelating<'me, 'bccx, 'tcx> { ), }; let cause = ObligationCause::dummy_with_span(self.span()); - self.register_obligations( + self.register_goals( infcx .handle_opaque_type(a, b, &cause, self.param_env())? .obligations @@ -539,7 +539,7 @@ impl<'bccx, 'tcx> TypeRelation> for NllTypeRelating<'_, 'bccx, 'tcx } } -impl<'bccx, 'tcx> ObligationEmittingRelation<'tcx> for NllTypeRelating<'_, 'bccx, 'tcx> { +impl<'bccx, 'tcx> PredicateEmittingRelation<'tcx> for NllTypeRelating<'_, 'bccx, 'tcx> { fn span(&self) -> Span { self.locations.span(self.type_checker.body) } @@ -558,12 +558,12 @@ impl<'bccx, 'tcx> ObligationEmittingRelation<'tcx> for NllTypeRelating<'_, 'bccx ) { let tcx = self.tcx(); let param_env = self.param_env(); - self.register_obligations( + self.register_goals( obligations.into_iter().map(|to_pred| Goal::new(tcx, param_env, to_pred)), ); } - fn register_obligations( + fn register_goals( &mut self, obligations: impl IntoIterator>>, ) { @@ -589,7 +589,7 @@ impl<'bccx, 'tcx> ObligationEmittingRelation<'tcx> for NllTypeRelating<'_, 'bccx ); } - fn register_type_relate_obligation(&mut self, a: Ty<'tcx>, b: Ty<'tcx>) { + fn register_alias_relate_predicate(&mut self, a: Ty<'tcx>, b: Ty<'tcx>) { self.register_predicates([ty::Binder::dummy(match self.ambient_variance { ty::Variance::Covariant => ty::PredicateKind::AliasRelate( a.into(), diff --git a/compiler/rustc_infer/src/infer/at.rs b/compiler/rustc_infer/src/infer/at.rs index 8994739f5c7f..01bd732a4cd8 100644 --- a/compiler/rustc_infer/src/infer/at.rs +++ b/compiler/rustc_infer/src/infer/at.rs @@ -165,7 +165,7 @@ impl<'a, 'tcx> At<'a, 'tcx> { Ok(InferOk { value: (), obligations: fields - .obligations + .goals .into_iter() .map(|goal| { Obligation::new( diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs index 98a795e67f83..32b50053b507 100644 --- a/compiler/rustc_infer/src/infer/mod.rs +++ b/compiler/rustc_infer/src/infer/mod.rs @@ -1,6 +1,9 @@ pub use at::DefineOpaqueTypes; pub use freshen::TypeFreshener; pub use lexical_region_resolve::RegionResolutionError; +pub use relate::combine::CombineFields; +pub use relate::combine::PredicateEmittingRelation; +pub use relate::StructurallyRelateAliases; pub use rustc_macros::{TypeFoldable, TypeVisitable}; pub use rustc_middle::ty::IntVarValue; pub use BoundRegionConversionTime::*; @@ -8,7 +11,7 @@ pub use RegionVariableOrigin::*; pub use SubregionOrigin::*; pub use ValuePairs::*; -use crate::infer::relate::{CombineFields, RelateResult}; +use crate::infer::relate::RelateResult; use crate::traits::{self, ObligationCause, ObligationInspector, PredicateObligation, TraitEngine}; use error_reporting::TypeErrCtxt; use free_regions::RegionRelations; diff --git a/compiler/rustc_infer/src/infer/relate/combine.rs b/compiler/rustc_infer/src/infer/relate/combine.rs index 1a0a0d10c6da..0a2e85cc8919 100644 --- a/compiler/rustc_infer/src/infer/relate/combine.rs +++ b/compiler/rustc_infer/src/infer/relate/combine.rs @@ -39,7 +39,7 @@ pub struct CombineFields<'infcx, 'tcx> { pub infcx: &'infcx InferCtxt<'tcx>, pub trace: TypeTrace<'tcx>, pub param_env: ty::ParamEnv<'tcx>, - pub obligations: Vec>>, + pub goals: Vec>>, pub define_opaque_types: DefineOpaqueTypes, } @@ -50,11 +50,11 @@ impl<'infcx, 'tcx> CombineFields<'infcx, 'tcx> { param_env: ty::ParamEnv<'tcx>, define_opaque_types: DefineOpaqueTypes, ) -> Self { - Self { infcx, trace, param_env, define_opaque_types, obligations: vec![] } + Self { infcx, trace, param_env, define_opaque_types, goals: vec![] } } pub(crate) fn into_obligations(self) -> Vec> { - self.obligations + self.goals .into_iter() .map(|goal| { Obligation::new( @@ -76,7 +76,7 @@ impl<'tcx> InferCtxt<'tcx> { b: Ty<'tcx>, ) -> RelateResult<'tcx, Ty<'tcx>> where - R: ObligationEmittingRelation<'tcx>, + R: PredicateEmittingRelation<'tcx>, { debug_assert!(!a.has_escaping_bound_vars()); debug_assert!(!b.has_escaping_bound_vars()); @@ -140,7 +140,7 @@ impl<'tcx> InferCtxt<'tcx> { relate::structurally_relate_tys(relation, a, b) } StructurallyRelateAliases::No => { - relation.register_type_relate_obligation(a, b); + relation.register_alias_relate_predicate(a, b); Ok(a) } } @@ -171,7 +171,7 @@ impl<'tcx> InferCtxt<'tcx> { b: ty::Const<'tcx>, ) -> RelateResult<'tcx, ty::Const<'tcx>> where - R: ObligationEmittingRelation<'tcx>, + R: PredicateEmittingRelation<'tcx>, { debug!("{}.consts({:?}, {:?})", relation.tag(), a, b); debug_assert!(!a.has_escaping_bound_vars()); @@ -309,14 +309,14 @@ impl<'infcx, 'tcx> CombineFields<'infcx, 'tcx> { &mut self, obligations: impl IntoIterator>>, ) { - self.obligations.extend(obligations); + self.goals.extend(obligations); } pub fn register_predicates( &mut self, obligations: impl IntoIterator, ty::Predicate<'tcx>>>, ) { - self.obligations.extend( + self.goals.extend( obligations .into_iter() .map(|to_pred| Goal::new(self.infcx.tcx, self.param_env, to_pred)), @@ -324,7 +324,7 @@ impl<'infcx, 'tcx> CombineFields<'infcx, 'tcx> { } } -pub trait ObligationEmittingRelation<'tcx>: TypeRelation> { +pub trait PredicateEmittingRelation<'tcx>: TypeRelation> { fn span(&self) -> Span; fn param_env(&self) -> ty::ParamEnv<'tcx>; @@ -335,19 +335,18 @@ pub trait ObligationEmittingRelation<'tcx>: TypeRelation> { fn structurally_relate_aliases(&self) -> StructurallyRelateAliases; /// Register obligations that must hold in order for this relation to hold - fn register_obligations( + fn register_goals( &mut self, obligations: impl IntoIterator>>, ); - /// Register predicates that must hold in order for this relation to hold. Uses - /// a default obligation cause, [`ObligationEmittingRelation::register_obligations`] should - /// be used if control over the obligation causes is required. + /// Register predicates that must hold in order for this relation to hold. + /// This uses the default `param_env` of the obligation. fn register_predicates( &mut self, obligations: impl IntoIterator, ty::Predicate<'tcx>>>, ); /// Register `AliasRelate` obligation(s) that both types must be related to each other. - fn register_type_relate_obligation(&mut self, a: Ty<'tcx>, b: Ty<'tcx>); + fn register_alias_relate_predicate(&mut self, a: Ty<'tcx>, b: Ty<'tcx>); } diff --git a/compiler/rustc_infer/src/infer/relate/generalize.rs b/compiler/rustc_infer/src/infer/relate/generalize.rs index 5478afda455f..87a2f0b45803 100644 --- a/compiler/rustc_infer/src/infer/relate/generalize.rs +++ b/compiler/rustc_infer/src/infer/relate/generalize.rs @@ -1,7 +1,7 @@ use std::mem; use super::StructurallyRelateAliases; -use super::{ObligationEmittingRelation, Relate, RelateResult, TypeRelation}; +use super::{PredicateEmittingRelation, Relate, RelateResult, TypeRelation}; use crate::infer::relate; use crate::infer::type_variable::TypeVariableValue; use crate::infer::{InferCtxt, RegionVariableOrigin}; @@ -30,7 +30,7 @@ impl<'tcx> InferCtxt<'tcx> { /// `TypeRelation`. Do not use this, and instead please use `At::eq`, for all /// other usecases (i.e. setting the value of a type var). #[instrument(level = "debug", skip(self, relation))] - pub fn instantiate_ty_var>( + pub fn instantiate_ty_var>( &self, relation: &mut R, target_is_expected: bool, @@ -178,7 +178,7 @@ impl<'tcx> InferCtxt<'tcx> { /// /// See `tests/ui/const-generics/occurs-check/` for more examples where this is relevant. #[instrument(level = "debug", skip(self, relation))] - pub(super) fn instantiate_const_var>( + pub(super) fn instantiate_const_var>( &self, relation: &mut R, target_is_expected: bool, diff --git a/compiler/rustc_infer/src/infer/relate/glb.rs b/compiler/rustc_infer/src/infer/relate/glb.rs index 6f37995ac1ea..cc17e60a79b0 100644 --- a/compiler/rustc_infer/src/infer/relate/glb.rs +++ b/compiler/rustc_infer/src/infer/relate/glb.rs @@ -5,7 +5,7 @@ use rustc_middle::ty::relate::{Relate, RelateResult, TypeRelation}; use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitableExt}; use rustc_span::Span; -use super::combine::{CombineFields, ObligationEmittingRelation}; +use super::combine::{CombineFields, PredicateEmittingRelation}; use super::lattice::{self, LatticeDir}; use super::StructurallyRelateAliases; use crate::infer::{DefineOpaqueTypes, InferCtxt, SubregionOrigin}; @@ -128,7 +128,7 @@ impl<'combine, 'infcx, 'tcx> LatticeDir<'infcx, 'tcx> for Glb<'combine, 'infcx, } } -impl<'tcx> ObligationEmittingRelation<'tcx> for Glb<'_, '_, 'tcx> { +impl<'tcx> PredicateEmittingRelation<'tcx> for Glb<'_, '_, 'tcx> { fn span(&self) -> Span { self.fields.trace.span() } @@ -148,14 +148,14 @@ impl<'tcx> ObligationEmittingRelation<'tcx> for Glb<'_, '_, 'tcx> { self.fields.register_predicates(obligations); } - fn register_obligations( + fn register_goals( &mut self, obligations: impl IntoIterator>>, ) { self.fields.register_obligations(obligations); } - fn register_type_relate_obligation(&mut self, a: Ty<'tcx>, b: Ty<'tcx>) { + fn register_alias_relate_predicate(&mut self, a: Ty<'tcx>, b: Ty<'tcx>) { self.register_predicates([ty::Binder::dummy(ty::PredicateKind::AliasRelate( a.into(), b.into(), diff --git a/compiler/rustc_infer/src/infer/relate/lattice.rs b/compiler/rustc_infer/src/infer/relate/lattice.rs index 8c6f1690ade7..c9b70608ddde 100644 --- a/compiler/rustc_infer/src/infer/relate/lattice.rs +++ b/compiler/rustc_infer/src/infer/relate/lattice.rs @@ -17,7 +17,7 @@ //! //! [lattices]: https://en.wikipedia.org/wiki/Lattice_(order) -use super::combine::ObligationEmittingRelation; +use super::combine::PredicateEmittingRelation; use crate::infer::{DefineOpaqueTypes, InferCtxt}; use crate::traits::ObligationCause; @@ -31,7 +31,7 @@ use rustc_middle::ty::{self, Ty}; /// /// GLB moves "down" the lattice (to smaller values); LUB moves /// "up" the lattice (to bigger values). -pub trait LatticeDir<'f, 'tcx>: ObligationEmittingRelation<'tcx> { +pub trait LatticeDir<'f, 'tcx>: PredicateEmittingRelation<'tcx> { fn infcx(&self) -> &'f InferCtxt<'tcx>; fn cause(&self) -> &ObligationCause<'tcx>; @@ -109,7 +109,7 @@ where && def_id.is_local() && !this.infcx().next_trait_solver() => { - this.register_obligations( + this.register_goals( infcx .handle_opaque_type(a, b, this.cause(), this.param_env())? .obligations diff --git a/compiler/rustc_infer/src/infer/relate/lub.rs b/compiler/rustc_infer/src/infer/relate/lub.rs index 625cc02115a7..e9d300d349c6 100644 --- a/compiler/rustc_infer/src/infer/relate/lub.rs +++ b/compiler/rustc_infer/src/infer/relate/lub.rs @@ -1,6 +1,6 @@ //! Least upper bound. See [`lattice`]. -use super::combine::{CombineFields, ObligationEmittingRelation}; +use super::combine::{CombineFields, PredicateEmittingRelation}; use super::lattice::{self, LatticeDir}; use super::StructurallyRelateAliases; use crate::infer::{DefineOpaqueTypes, InferCtxt, SubregionOrigin}; @@ -128,7 +128,7 @@ impl<'combine, 'infcx, 'tcx> LatticeDir<'infcx, 'tcx> for Lub<'combine, 'infcx, } } -impl<'tcx> ObligationEmittingRelation<'tcx> for Lub<'_, '_, 'tcx> { +impl<'tcx> PredicateEmittingRelation<'tcx> for Lub<'_, '_, 'tcx> { fn span(&self) -> Span { self.fields.trace.span() } @@ -148,14 +148,14 @@ impl<'tcx> ObligationEmittingRelation<'tcx> for Lub<'_, '_, 'tcx> { self.fields.register_predicates(obligations); } - fn register_obligations( + fn register_goals( &mut self, obligations: impl IntoIterator>>, ) { self.fields.register_obligations(obligations) } - fn register_type_relate_obligation(&mut self, a: Ty<'tcx>, b: Ty<'tcx>) { + fn register_alias_relate_predicate(&mut self, a: Ty<'tcx>, b: Ty<'tcx>) { self.register_predicates([ty::Binder::dummy(ty::PredicateKind::AliasRelate( a.into(), b.into(), diff --git a/compiler/rustc_infer/src/infer/relate/mod.rs b/compiler/rustc_infer/src/infer/relate/mod.rs index 627c527cba15..e7b50479b850 100644 --- a/compiler/rustc_infer/src/infer/relate/mod.rs +++ b/compiler/rustc_infer/src/infer/relate/mod.rs @@ -6,7 +6,7 @@ pub use rustc_middle::ty::relate::*; pub use self::_match::MatchAgainstFreshVars; pub use self::combine::CombineFields; -pub use self::combine::ObligationEmittingRelation; +pub use self::combine::PredicateEmittingRelation; pub mod _match; pub(super) mod combine; diff --git a/compiler/rustc_infer/src/infer/relate/type_relating.rs b/compiler/rustc_infer/src/infer/relate/type_relating.rs index 328e4d8902f6..7e64a9b936c8 100644 --- a/compiler/rustc_infer/src/infer/relate/type_relating.rs +++ b/compiler/rustc_infer/src/infer/relate/type_relating.rs @@ -1,5 +1,5 @@ use super::combine::CombineFields; -use crate::infer::relate::{ObligationEmittingRelation, StructurallyRelateAliases}; +use crate::infer::relate::{PredicateEmittingRelation, StructurallyRelateAliases}; use crate::infer::BoundRegionConversionTime::HigherRankedType; use crate::infer::{DefineOpaqueTypes, SubregionOrigin}; use rustc_middle::traits::solve::Goal; @@ -87,7 +87,7 @@ impl<'tcx> TypeRelation> for TypeRelating<'_, '_, 'tcx> { ty::Covariant => { // can't make progress on `A <: B` if both A and B are // type variables, so record an obligation. - self.fields.obligations.push(Goal::new( + self.fields.goals.push(Goal::new( self.tcx(), self.fields.param_env, ty::Binder::dummy(ty::PredicateKind::Subtype(ty::SubtypePredicate { @@ -100,7 +100,7 @@ impl<'tcx> TypeRelation> for TypeRelating<'_, '_, 'tcx> { ty::Contravariant => { // can't make progress on `B <: A` if both A and B are // type variables, so record an obligation. - self.fields.obligations.push(Goal::new( + self.fields.goals.push(Goal::new( self.tcx(), self.fields.param_env, ty::Binder::dummy(ty::PredicateKind::Subtype(ty::SubtypePredicate { @@ -151,7 +151,7 @@ impl<'tcx> TypeRelation> for TypeRelating<'_, '_, 'tcx> { && !infcx.next_trait_solver() => { // FIXME: Don't shuttle between Goal and Obligation - self.fields.obligations.extend( + self.fields.goals.extend( infcx .handle_opaque_type(a, b, &self.fields.trace.cause, self.param_env())? .obligations @@ -298,7 +298,7 @@ impl<'tcx> TypeRelation> for TypeRelating<'_, '_, 'tcx> { } } -impl<'tcx> ObligationEmittingRelation<'tcx> for TypeRelating<'_, '_, 'tcx> { +impl<'tcx> PredicateEmittingRelation<'tcx> for TypeRelating<'_, '_, 'tcx> { fn span(&self) -> Span { self.fields.trace.span() } @@ -318,14 +318,14 @@ impl<'tcx> ObligationEmittingRelation<'tcx> for TypeRelating<'_, '_, 'tcx> { self.fields.register_predicates(obligations); } - fn register_obligations( + fn register_goals( &mut self, obligations: impl IntoIterator>>, ) { self.fields.register_obligations(obligations); } - fn register_type_relate_obligation(&mut self, a: Ty<'tcx>, b: Ty<'tcx>) { + fn register_alias_relate_predicate(&mut self, a: Ty<'tcx>, b: Ty<'tcx>) { self.register_predicates([ty::Binder::dummy(match self.ambient_variance { ty::Variance::Covariant => ty::PredicateKind::AliasRelate( a.into(), From e4be97cfe763fc5550e048ae3db288fd27a1954c Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Fri, 7 Jun 2024 11:51:03 -0400 Subject: [PATCH 1352/1716] Try not to make obligations in handle_opaque_type --- .../src/type_check/relate_tys.rs | 9 +- .../rustc_infer/src/infer/opaque_types/mod.rs | 107 +++++++++--------- compiler/rustc_infer/src/infer/projection.rs | 11 +- .../rustc_infer/src/infer/relate/lattice.rs | 9 +- .../src/infer/relate/type_relating.rs | 14 +-- .../src/solve/eval_ctxt/mod.rs | 15 ++- 6 files changed, 74 insertions(+), 91 deletions(-) diff --git a/compiler/rustc_borrowck/src/type_check/relate_tys.rs b/compiler/rustc_borrowck/src/type_check/relate_tys.rs index e9215a102c3c..c531c9b209be 100644 --- a/compiler/rustc_borrowck/src/type_check/relate_tys.rs +++ b/compiler/rustc_borrowck/src/type_check/relate_tys.rs @@ -154,14 +154,7 @@ impl<'me, 'bccx, 'tcx> NllTypeRelating<'me, 'bccx, 'tcx> { "expected at least one opaque type in `relate_opaques`, got {a} and {b}." ), }; - let cause = ObligationCause::dummy_with_span(self.span()); - self.register_goals( - infcx - .handle_opaque_type(a, b, &cause, self.param_env())? - .obligations - .into_iter() - .map(Goal::from), - ); + self.register_goals(infcx.handle_opaque_type(a, b, self.span(), self.param_env())?); Ok(()) } diff --git a/compiler/rustc_infer/src/infer/opaque_types/mod.rs b/compiler/rustc_infer/src/infer/opaque_types/mod.rs index 8eb3185673b4..7114b888718b 100644 --- a/compiler/rustc_infer/src/infer/opaque_types/mod.rs +++ b/compiler/rustc_infer/src/infer/opaque_types/mod.rs @@ -1,11 +1,11 @@ -use super::{DefineOpaqueTypes, InferResult}; use crate::errors::OpaqueHiddenTypeDiag; use crate::infer::{InferCtxt, InferOk}; -use crate::traits::{self, PredicateObligation}; +use crate::traits::{self, Obligation}; use hir::def_id::{DefId, LocalDefId}; use rustc_data_structures::fx::FxIndexMap; use rustc_data_structures::sync::Lrc; use rustc_hir as hir; +use rustc_middle::traits::solve::Goal; use rustc_middle::traits::ObligationCause; use rustc_middle::ty::error::{ExpectedFound, TypeError}; use rustc_middle::ty::fold::BottomUpFolder; @@ -21,6 +21,8 @@ mod table; pub type OpaqueTypeMap<'tcx> = FxIndexMap, OpaqueTypeDecl<'tcx>>; pub use table::{OpaqueTypeStorage, OpaqueTypeTable}; +use super::DefineOpaqueTypes; + /// Information about the opaque types whose values we /// are inferring in this function (these are the `impl Trait` that /// appear in the return type). @@ -62,11 +64,23 @@ impl<'tcx> InferCtxt<'tcx> { { let def_span = self.tcx.def_span(def_id); let span = if span.contains(def_span) { def_span } else { span }; - let code = traits::ObligationCauseCode::OpaqueReturnType(None); - let cause = ObligationCause::new(span, body_id, code); let ty_var = self.next_ty_var(span); obligations.extend( - self.handle_opaque_type(ty, ty_var, &cause, param_env).unwrap().obligations, + self.handle_opaque_type(ty, ty_var, span, param_env) + .unwrap() + .into_iter() + .map(|goal| { + Obligation::new( + self.tcx, + ObligationCause::new( + span, + body_id, + traits::ObligationCauseCode::OpaqueReturnType(None), + ), + goal.param_env, + goal.predicate, + ) + }), ); ty_var } @@ -80,9 +94,9 @@ impl<'tcx> InferCtxt<'tcx> { &self, a: Ty<'tcx>, b: Ty<'tcx>, - cause: &ObligationCause<'tcx>, + span: Span, param_env: ty::ParamEnv<'tcx>, - ) -> InferResult<'tcx, ()> { + ) -> Result>>, TypeError<'tcx>> { let process = |a: Ty<'tcx>, b: Ty<'tcx>| match *a.kind() { ty::Alias(ty::Opaque, ty::AliasTy { def_id, args, .. }) if def_id.is_local() => { let def_id = def_id.expect_local(); @@ -90,7 +104,7 @@ impl<'tcx> InferCtxt<'tcx> { // See comment on `insert_hidden_type` for why this is sufficient in coherence return Some(self.register_hidden_type( OpaqueTypeKey { def_id, args }, - cause.clone(), + span, param_env, b, )); @@ -143,18 +157,13 @@ impl<'tcx> InferCtxt<'tcx> { && self.tcx.is_type_alias_impl_trait(b_def_id) { self.tcx.dcx().emit_err(OpaqueHiddenTypeDiag { - span: cause.span, + span, hidden_type: self.tcx.def_span(b_def_id), opaque_type: self.tcx.def_span(def_id), }); } } - Some(self.register_hidden_type( - OpaqueTypeKey { def_id, args }, - cause.clone(), - param_env, - b, - )) + Some(self.register_hidden_type(OpaqueTypeKey { def_id, args }, span, param_env, b)) } _ => None, }; @@ -464,24 +473,23 @@ impl<'tcx> InferCtxt<'tcx> { fn register_hidden_type( &self, opaque_type_key: OpaqueTypeKey<'tcx>, - cause: ObligationCause<'tcx>, + span: Span, param_env: ty::ParamEnv<'tcx>, hidden_ty: Ty<'tcx>, - ) -> InferResult<'tcx, ()> { - let mut obligations = Vec::new(); + ) -> Result>>, TypeError<'tcx>> { + let mut goals = Vec::new(); - self.insert_hidden_type(opaque_type_key, &cause, param_env, hidden_ty, &mut obligations)?; + self.insert_hidden_type(opaque_type_key, span, param_env, hidden_ty, &mut goals)?; self.add_item_bounds_for_hidden_type( opaque_type_key.def_id.to_def_id(), opaque_type_key.args, - cause, param_env, hidden_ty, - &mut obligations, + &mut goals, ); - Ok(InferOk { value: (), obligations }) + Ok(goals) } /// Insert a hidden type into the opaque type storage, making sure @@ -507,27 +515,21 @@ impl<'tcx> InferCtxt<'tcx> { pub fn insert_hidden_type( &self, opaque_type_key: OpaqueTypeKey<'tcx>, - cause: &ObligationCause<'tcx>, + span: Span, param_env: ty::ParamEnv<'tcx>, hidden_ty: Ty<'tcx>, - obligations: &mut Vec>, + goals: &mut Vec>>, ) -> Result<(), TypeError<'tcx>> { // Ideally, we'd get the span where *this specific `ty` came // from*, but right now we just use the span from the overall // value being folded. In simple cases like `-> impl Foo`, // these are the same span, but not in cases like `-> (impl // Foo, impl Bar)`. - let span = cause.span; if self.intercrate { // During intercrate we do not define opaque types but instead always // force ambiguity unless the hidden type is known to not implement // our trait. - obligations.push(traits::Obligation::new( - self.tcx, - cause.clone(), - param_env, - ty::PredicateKind::Ambiguous, - )) + goals.push(Goal::new(self.tcx, param_env, ty::PredicateKind::Ambiguous)) } else { let prev = self .inner @@ -535,10 +537,13 @@ impl<'tcx> InferCtxt<'tcx> { .opaque_types() .register(opaque_type_key, OpaqueHiddenType { ty: hidden_ty, span }); if let Some(prev) = prev { - obligations.extend( - self.at(cause, param_env) + goals.extend( + self.at(&ObligationCause::dummy_with_span(span), param_env) .eq(DefineOpaqueTypes::Yes, prev, hidden_ty)? - .obligations, + .obligations + .into_iter() + // FIXME: Shuttling between obligations and goals is awkward. + .map(Goal::from), ); } }; @@ -550,10 +555,9 @@ impl<'tcx> InferCtxt<'tcx> { &self, def_id: DefId, args: ty::GenericArgsRef<'tcx>, - cause: ObligationCause<'tcx>, param_env: ty::ParamEnv<'tcx>, hidden_ty: Ty<'tcx>, - obligations: &mut Vec>, + goals: &mut Vec>>, ) { let tcx = self.tcx; // Require that the hidden type is well-formed. We have to @@ -567,12 +571,7 @@ impl<'tcx> InferCtxt<'tcx> { // type during MIR borrowck, causing us to infer the wrong // lifetime for its member constraints which then results in // unexpected region errors. - obligations.push(traits::Obligation::new( - tcx, - cause.clone(), - param_env, - ty::ClauseKind::WellFormed(hidden_ty.into()), - )); + goals.push(Goal::new(tcx, param_env, ty::ClauseKind::WellFormed(hidden_ty.into()))); let item_bounds = tcx.explicit_item_bounds(def_id); for (predicate, _) in item_bounds.iter_instantiated_copied(tcx, args) { @@ -588,13 +587,18 @@ impl<'tcx> InferCtxt<'tcx> { && !tcx.is_impl_trait_in_trait(projection_ty.def_id) && !self.next_trait_solver() => { - self.projection_ty_to_infer( + let ty_var = self.next_ty_var(self.tcx.def_span(projection_ty.def_id)); + goals.push(Goal::new( + self.tcx, param_env, - projection_ty, - cause.clone(), - 0, - obligations, - ) + ty::PredicateKind::Clause(ty::ClauseKind::Projection( + ty::ProjectionPredicate { + projection_term: projection_ty.into(), + term: ty_var.into(), + }, + )), + )); + ty_var } // Replace all other mentions of the same opaque type with the hidden type, // as the bounds must hold on the hidden type after all. @@ -611,12 +615,7 @@ impl<'tcx> InferCtxt<'tcx> { // Require that the predicate holds for the concrete type. debug!(?predicate); - obligations.push(traits::Obligation::new( - self.tcx, - cause.clone(), - param_env, - predicate, - )); + goals.push(Goal::new(self.tcx, param_env, predicate)); } } } diff --git a/compiler/rustc_infer/src/infer/projection.rs b/compiler/rustc_infer/src/infer/projection.rs index 167863479806..a1ba43eb1715 100644 --- a/compiler/rustc_infer/src/infer/projection.rs +++ b/compiler/rustc_infer/src/infer/projection.rs @@ -21,11 +21,12 @@ impl<'tcx> InferCtxt<'tcx> { obligations: &mut Vec>, ) -> Ty<'tcx> { debug_assert!(!self.next_trait_solver()); - let def_id = projection_ty.def_id; - let ty_var = self.next_ty_var(self.tcx.def_span(def_id)); - let projection = ty::Binder::dummy(ty::PredicateKind::Clause(ty::ClauseKind::Projection( - ty::ProjectionPredicate { projection_term: projection_ty.into(), term: ty_var.into() }, - ))); + let ty_var = self.next_ty_var(self.tcx.def_span(projection_ty.def_id)); + let projection = + ty::PredicateKind::Clause(ty::ClauseKind::Projection(ty::ProjectionPredicate { + projection_term: projection_ty.into(), + term: ty_var.into(), + })); let obligation = Obligation::with_depth(self.tcx, cause, recursion_depth, param_env, projection); obligations.push(obligation); diff --git a/compiler/rustc_infer/src/infer/relate/lattice.rs b/compiler/rustc_infer/src/infer/relate/lattice.rs index c9b70608ddde..6cc8d6d910ad 100644 --- a/compiler/rustc_infer/src/infer/relate/lattice.rs +++ b/compiler/rustc_infer/src/infer/relate/lattice.rs @@ -21,7 +21,6 @@ use super::combine::PredicateEmittingRelation; use crate::infer::{DefineOpaqueTypes, InferCtxt}; use crate::traits::ObligationCause; -use rustc_middle::traits::solve::Goal; use rustc_middle::ty::relate::RelateResult; use rustc_middle::ty::TyVar; use rustc_middle::ty::{self, Ty}; @@ -109,13 +108,7 @@ where && def_id.is_local() && !this.infcx().next_trait_solver() => { - this.register_goals( - infcx - .handle_opaque_type(a, b, this.cause(), this.param_env())? - .obligations - .into_iter() - .map(Goal::from), - ); + this.register_goals(infcx.handle_opaque_type(a, b, this.span(), this.param_env())?); Ok(a) } diff --git a/compiler/rustc_infer/src/infer/relate/type_relating.rs b/compiler/rustc_infer/src/infer/relate/type_relating.rs index 7e64a9b936c8..f7b2f11e3d70 100644 --- a/compiler/rustc_infer/src/infer/relate/type_relating.rs +++ b/compiler/rustc_infer/src/infer/relate/type_relating.rs @@ -150,14 +150,12 @@ impl<'tcx> TypeRelation> for TypeRelating<'_, '_, 'tcx> { && def_id.is_local() && !infcx.next_trait_solver() => { - // FIXME: Don't shuttle between Goal and Obligation - self.fields.goals.extend( - infcx - .handle_opaque_type(a, b, &self.fields.trace.cause, self.param_env())? - .obligations - .into_iter() - .map(Goal::from), - ); + self.fields.goals.extend(infcx.handle_opaque_type( + a, + b, + self.fields.trace.cause.span, + self.param_env(), + )?); } _ => { diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs index b522022c2067..43013a01069e 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs @@ -961,15 +961,15 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { param_env: ty::ParamEnv<'tcx>, hidden_ty: Ty<'tcx>, ) -> Result<(), NoSolution> { - let mut obligations = Vec::new(); + let mut goals = Vec::new(); self.infcx.insert_hidden_type( opaque_type_key, - &ObligationCause::dummy(), + DUMMY_SP, param_env, hidden_ty, - &mut obligations, + &mut goals, )?; - self.add_goals(GoalSource::Misc, obligations.into_iter().map(|o| o.into())); + self.add_goals(GoalSource::Misc, goals); Ok(()) } @@ -980,16 +980,15 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { param_env: ty::ParamEnv<'tcx>, hidden_ty: Ty<'tcx>, ) { - let mut obligations = Vec::new(); + let mut goals = Vec::new(); self.infcx.add_item_bounds_for_hidden_type( opaque_def_id, opaque_args, - ObligationCause::dummy(), param_env, hidden_ty, - &mut obligations, + &mut goals, ); - self.add_goals(GoalSource::Misc, obligations.into_iter().map(|o| o.into())); + self.add_goals(GoalSource::Misc, goals); } // Do something for each opaque/hidden pair defined with `def_id` in the From 8a6bc13cfe2fe90237f76c58933d10d76fc8a29c Mon Sep 17 00:00:00 2001 From: Oneirical Date: Sun, 9 Jun 2024 14:24:36 -0400 Subject: [PATCH 1353/1716] Add set_backtrace_level helper function to run_make_support --- src/tools/run-make-support/src/rustc.rs | 6 ++++ tests/run-make/short-ice/rmake.rs | 37 ++++++++++++++++--------- 2 files changed, 30 insertions(+), 13 deletions(-) diff --git a/src/tools/run-make-support/src/rustc.rs b/src/tools/run-make-support/src/rustc.rs index d4c00d23b8b1..2538c475caec 100644 --- a/src/tools/run-make-support/src/rustc.rs +++ b/src/tools/run-make-support/src/rustc.rs @@ -100,6 +100,12 @@ impl Rustc { self } + //Adjust the backtrace level, displaying more detailed information at higher levels. + pub fn set_backtrace_level>(&mut self, level: R) -> &mut Self { + self.cmd.env("RUST_BACKTRACE", level); + self + } + /// Specify path to the output file. Equivalent to `-o`` in rustc. pub fn output>(&mut self, path: P) -> &mut Self { self.cmd.arg("-o"); diff --git a/tests/run-make/short-ice/rmake.rs b/tests/run-make/short-ice/rmake.rs index 0aa1df61dbea..81403931c783 100644 --- a/tests/run-make/short-ice/rmake.rs +++ b/tests/run-make/short-ice/rmake.rs @@ -4,26 +4,37 @@ // was shortened down to an appropriate length. // See https://github.com/rust-lang/rust/issues/107910 +//@ ignore-windows +// Reason: the assert_eq! on line 32 fails, as error output on Windows is different. + use run_make_support::rustc; -use std::env; fn main() { - env::set_var("RUST_BACKTRACE", "1"); - let mut rust_test_1 = rustc().input("src/lib.rs").arg("-Ztreat-err-as-bug=1").run_fail(); - env::set_var("RUST_BACKTRACE", "full"); - let mut rust_test_2 = rustc().input("src/lib.rs").arg("-Ztreat-err-as-bug=1").run_fail(); - let rust_test_log_1 = rust_test_1.stderr_utf8().push_str(&rust_test_1.stdout_utf8()).as_str(); - let rust_test_log_2 = rust_test_2.stderr_utf8().push_str(&rust_test_2.stdout_utf8()).as_str(); + let rust_test_1 = + rustc().set_backtrace_level("1").input("src/lib.rs").arg("-Ztreat-err-as-bug=1").run_fail(); + let rust_test_2 = rustc() + .set_backtrace_level("full") + .input("src/lib.rs") + .arg("-Ztreat-err-as-bug=1") + .run_fail(); + + let mut rust_test_log_1 = rust_test_1.stderr_utf8(); + rust_test_log_1.push_str(&rust_test_1.stdout_utf8()); + let rust_test_log_1 = rust_test_log_1.as_str(); + + let mut rust_test_log_2 = rust_test_2.stderr_utf8(); + rust_test_log_2.push_str(&rust_test_2.stdout_utf8()); + let rust_test_log_2 = rust_test_log_2.as_str(); let rustc_query_count_full = count_lines_with(rust_test_log_2, "rustc_query_"); - assert!( - rust_test_log_1.lines().count() < rust_test_log_2.lines().count() - && count_lines_with(rust_test_log_2, "__rust_begin_short_backtrace") - == count_lines_with(rust_test_log_2, "__rust_end_short_backtrace") - && count_lines_with(rust_test_log_1, "rustc_query_") + 5 < rustc_query_count_full - && rustc_query_count_full > 5 + assert!(rust_test_log_1.lines().count() < rust_test_log_2.lines().count()); + assert_eq!( + count_lines_with(rust_test_log_2, "__rust_begin_short_backtrace"), + count_lines_with(rust_test_log_2, "__rust_end_short_backtrace") ); + assert!(count_lines_with(rust_test_log_1, "rustc_query_") + 5 < rustc_query_count_full); + assert!(rustc_query_count_full > 5); } fn count_lines_with(s: &str, search: &str) -> usize { From c86b19f1ef262eeb1992a91879b38ffbed07a1a7 Mon Sep 17 00:00:00 2001 From: AurelienFT Date: Tue, 11 Jun 2024 21:56:14 +0200 Subject: [PATCH 1354/1716] Add lint to check manual pattern char comparison and merge its code with single_char_pattern lint --- CHANGELOG.md | 1 + clippy_lints/src/declared_lints.rs | 3 +- clippy_lints/src/float_literal.rs | 2 +- clippy_lints/src/lib.rs | 2 + clippy_lints/src/methods/mod.rs | 35 --- .../src/methods/path_buf_push_overwrite.rs | 2 +- .../src/methods/single_char_insert_string.rs | 5 +- .../src/methods/single_char_pattern.rs | 64 ----- .../src/methods/single_char_push_string.rs | 5 +- clippy_lints/src/methods/utils.rs | 45 ---- .../src/misc_early/zero_prefixed_literal.rs | 4 +- clippy_lints/src/string_patterns.rs | 227 ++++++++++++++++++ clippy_utils/src/source.rs | 45 ++++ tests/ui/manual_pattern_char_comparison.fixed | 49 ++++ tests/ui/manual_pattern_char_comparison.rs | 49 ++++ .../ui/manual_pattern_char_comparison.stderr | 59 +++++ tests/ui/search_is_some.rs | 1 + tests/ui/search_is_some.stderr | 16 +- 18 files changed, 451 insertions(+), 163 deletions(-) delete mode 100644 clippy_lints/src/methods/single_char_pattern.rs create mode 100644 clippy_lints/src/string_patterns.rs create mode 100644 tests/ui/manual_pattern_char_comparison.fixed create mode 100644 tests/ui/manual_pattern_char_comparison.rs create mode 100644 tests/ui/manual_pattern_char_comparison.stderr diff --git a/CHANGELOG.md b/CHANGELOG.md index 711b7fb79141..d7bcd7a19687 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -5532,6 +5532,7 @@ Released 2018-09-13 [`manual_next_back`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_next_back [`manual_non_exhaustive`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_non_exhaustive [`manual_ok_or`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_ok_or +[`manual_pattern_char_comparison`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_pattern_char_comparison [`manual_range_contains`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_range_contains [`manual_range_patterns`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_range_patterns [`manual_rem_euclid`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_rem_euclid diff --git a/clippy_lints/src/declared_lints.rs b/clippy_lints/src/declared_lints.rs index a9f2dd4499a3..7e43a99e9f24 100644 --- a/clippy_lints/src/declared_lints.rs +++ b/clippy_lints/src/declared_lints.rs @@ -448,7 +448,6 @@ pub(crate) static LINTS: &[&crate::LintInfo] = &[ crate::methods::SEEK_TO_START_INSTEAD_OF_REWIND_INFO, crate::methods::SHOULD_IMPLEMENT_TRAIT_INFO, crate::methods::SINGLE_CHAR_ADD_STR_INFO, - crate::methods::SINGLE_CHAR_PATTERN_INFO, crate::methods::SKIP_WHILE_NEXT_INFO, crate::methods::STABLE_SORT_PRIMITIVE_INFO, crate::methods::STRING_EXTEND_CHARS_INFO, @@ -656,6 +655,8 @@ pub(crate) static LINTS: &[&crate::LintInfo] = &[ crate::std_instead_of_core::ALLOC_INSTEAD_OF_CORE_INFO, crate::std_instead_of_core::STD_INSTEAD_OF_ALLOC_INFO, crate::std_instead_of_core::STD_INSTEAD_OF_CORE_INFO, + crate::string_patterns::MANUAL_PATTERN_CHAR_COMPARISON_INFO, + crate::string_patterns::SINGLE_CHAR_PATTERN_INFO, crate::strings::STRING_ADD_INFO, crate::strings::STRING_ADD_ASSIGN_INFO, crate::strings::STRING_FROM_UTF8_AS_BYTES_INFO, diff --git a/clippy_lints/src/float_literal.rs b/clippy_lints/src/float_literal.rs index 4ec9bd757ff4..4d301daabe4c 100644 --- a/clippy_lints/src/float_literal.rs +++ b/clippy_lints/src/float_literal.rs @@ -103,7 +103,7 @@ impl<'tcx> LateLintPass<'tcx> for FloatLiteral { return; } - if is_whole && !sym_str.contains(|c| c == 'e' || c == 'E') { + if is_whole && !sym_str.contains(['e', 'E']) { // Normalize the literal by stripping the fractional portion if sym_str.split('.').next().unwrap() != float_str { // If the type suffix is missing the suggestion would be diff --git a/clippy_lints/src/lib.rs b/clippy_lints/src/lib.rs index 6946c2986f48..c65581d5203e 100644 --- a/clippy_lints/src/lib.rs +++ b/clippy_lints/src/lib.rs @@ -326,6 +326,7 @@ mod size_of_in_element_count; mod size_of_ref; mod slow_vector_initialization; mod std_instead_of_core; +mod string_patterns; mod strings; mod strlen_on_c_strings; mod suspicious_operation_groupings; @@ -1167,6 +1168,7 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { ..Default::default() }) }); + store.register_late_pass(|_| Box::new(string_patterns::StringPatterns)); // add lints here, do not remove this comment, it's used in `new_lint` } diff --git a/clippy_lints/src/methods/mod.rs b/clippy_lints/src/methods/mod.rs index c3699d6341a0..6200716afbe9 100644 --- a/clippy_lints/src/methods/mod.rs +++ b/clippy_lints/src/methods/mod.rs @@ -94,7 +94,6 @@ mod seek_from_current; mod seek_to_start_instead_of_rewind; mod single_char_add_str; mod single_char_insert_string; -mod single_char_pattern; mod single_char_push_string; mod skip_while_next; mod stable_sort_primitive; @@ -1141,38 +1140,6 @@ declare_clippy_lint! { "not returning type containing `Self` in a `new` method" } -declare_clippy_lint! { - /// ### What it does - /// Checks for string methods that receive a single-character - /// `str` as an argument, e.g., `_.split("x")`. - /// - /// ### Why is this bad? - /// While this can make a perf difference on some systems, - /// benchmarks have proven inconclusive. But at least using a - /// char literal makes it clear that we are looking at a single - /// character. - /// - /// ### Known problems - /// Does not catch multi-byte unicode characters. This is by - /// design, on many machines, splitting by a non-ascii char is - /// actually slower. Please do your own measurements instead of - /// relying solely on the results of this lint. - /// - /// ### Example - /// ```rust,ignore - /// _.split("x"); - /// ``` - /// - /// Use instead: - /// ```rust,ignore - /// _.split('x'); - /// ``` - #[clippy::version = "pre 1.29.0"] - pub SINGLE_CHAR_PATTERN, - pedantic, - "using a single-character str where a char could be used, e.g., `_.split(\"x\")`" -} - declare_clippy_lint! { /// ### What it does /// Checks for calling `.step_by(0)` on iterators which panics. @@ -4169,7 +4136,6 @@ impl_lint_pass!(Methods => [ FLAT_MAP_OPTION, INEFFICIENT_TO_STRING, NEW_RET_NO_SELF, - SINGLE_CHAR_PATTERN, SINGLE_CHAR_ADD_STR, SEARCH_IS_SOME, FILTER_NEXT, @@ -4324,7 +4290,6 @@ impl<'tcx> LateLintPass<'tcx> for Methods { inefficient_to_string::check(cx, expr, method_call.ident.name, receiver, args); single_char_add_str::check(cx, expr, receiver, args); into_iter_on_ref::check(cx, expr, method_span, method_call.ident.name, receiver); - single_char_pattern::check(cx, expr, method_call.ident.name, receiver, args); unnecessary_to_owned::check(cx, expr, method_call.ident.name, receiver, args, &self.msrv); }, ExprKind::Binary(op, lhs, rhs) if op.node == hir::BinOpKind::Eq || op.node == hir::BinOpKind::Ne => { diff --git a/clippy_lints/src/methods/path_buf_push_overwrite.rs b/clippy_lints/src/methods/path_buf_push_overwrite.rs index 04a27cc98f3c..2d3007e50b81 100644 --- a/clippy_lints/src/methods/path_buf_push_overwrite.rs +++ b/clippy_lints/src/methods/path_buf_push_overwrite.rs @@ -27,7 +27,7 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>, arg: &'t lit.span, "calling `push` with '/' or '\\' (file system root) will overwrite the previous path definition", "try", - format!("\"{}\"", pushed_path_lit.trim_start_matches(|c| c == '/' || c == '\\')), + format!("\"{}\"", pushed_path_lit.trim_start_matches(['/', '\\'])), Applicability::MachineApplicable, ); } diff --git a/clippy_lints/src/methods/single_char_insert_string.rs b/clippy_lints/src/methods/single_char_insert_string.rs index ba9ef9c84f9c..e2f76ac114c6 100644 --- a/clippy_lints/src/methods/single_char_insert_string.rs +++ b/clippy_lints/src/methods/single_char_insert_string.rs @@ -1,6 +1,5 @@ -use super::utils::get_hint_if_single_char_arg; use clippy_utils::diagnostics::span_lint_and_sugg; -use clippy_utils::source::snippet_with_applicability; +use clippy_utils::source::{snippet_with_applicability, str_literal_to_char_literal}; use rustc_ast::BorrowKind; use rustc_errors::Applicability; use rustc_hir::{self as hir, ExprKind}; @@ -11,7 +10,7 @@ use super::SINGLE_CHAR_ADD_STR; /// lint for length-1 `str`s as argument for `insert_str` pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, receiver: &hir::Expr<'_>, args: &[hir::Expr<'_>]) { let mut applicability = Applicability::MachineApplicable; - if let Some(extension_string) = get_hint_if_single_char_arg(cx, &args[1], &mut applicability, false) { + if let Some(extension_string) = str_literal_to_char_literal(cx, &args[1], &mut applicability, false) { let base_string_snippet = snippet_with_applicability(cx, receiver.span.source_callsite(), "_", &mut applicability); let pos_arg = snippet_with_applicability(cx, args[0].span, "..", &mut applicability); diff --git a/clippy_lints/src/methods/single_char_pattern.rs b/clippy_lints/src/methods/single_char_pattern.rs deleted file mode 100644 index 982a7901c453..000000000000 --- a/clippy_lints/src/methods/single_char_pattern.rs +++ /dev/null @@ -1,64 +0,0 @@ -use super::utils::get_hint_if_single_char_arg; -use clippy_utils::diagnostics::span_lint_and_sugg; -use rustc_errors::Applicability; -use rustc_hir as hir; -use rustc_lint::LateContext; -use rustc_middle::ty; -use rustc_span::symbol::Symbol; - -use super::SINGLE_CHAR_PATTERN; - -const PATTERN_METHODS: [(&str, usize); 22] = [ - ("contains", 0), - ("starts_with", 0), - ("ends_with", 0), - ("find", 0), - ("rfind", 0), - ("split", 0), - ("split_inclusive", 0), - ("rsplit", 0), - ("split_terminator", 0), - ("rsplit_terminator", 0), - ("splitn", 1), - ("rsplitn", 1), - ("split_once", 0), - ("rsplit_once", 0), - ("matches", 0), - ("rmatches", 0), - ("match_indices", 0), - ("rmatch_indices", 0), - ("trim_start_matches", 0), - ("trim_end_matches", 0), - ("replace", 0), - ("replacen", 0), -]; - -/// lint for length-1 `str`s for methods in `PATTERN_METHODS` -pub(super) fn check( - cx: &LateContext<'_>, - _expr: &hir::Expr<'_>, - method_name: Symbol, - receiver: &hir::Expr<'_>, - args: &[hir::Expr<'_>], -) { - for &(method, pos) in &PATTERN_METHODS { - if let ty::Ref(_, ty, _) = cx.typeck_results().expr_ty_adjusted(receiver).kind() - && ty.is_str() - && method_name.as_str() == method - && args.len() > pos - && let arg = &args[pos] - && let mut applicability = Applicability::MachineApplicable - && let Some(hint) = get_hint_if_single_char_arg(cx, arg, &mut applicability, true) - { - span_lint_and_sugg( - cx, - SINGLE_CHAR_PATTERN, - arg.span, - "single-character string constant used as pattern", - "consider using a `char`", - hint, - applicability, - ); - } - } -} diff --git a/clippy_lints/src/methods/single_char_push_string.rs b/clippy_lints/src/methods/single_char_push_string.rs index f00a5ab455e8..4ae8634305da 100644 --- a/clippy_lints/src/methods/single_char_push_string.rs +++ b/clippy_lints/src/methods/single_char_push_string.rs @@ -1,6 +1,5 @@ -use super::utils::get_hint_if_single_char_arg; use clippy_utils::diagnostics::span_lint_and_sugg; -use clippy_utils::source::snippet_with_applicability; +use clippy_utils::source::{snippet_with_applicability, str_literal_to_char_literal}; use rustc_ast::BorrowKind; use rustc_errors::Applicability; use rustc_hir::{self as hir, ExprKind}; @@ -11,7 +10,7 @@ use super::SINGLE_CHAR_ADD_STR; /// lint for length-1 `str`s as argument for `push_str` pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, receiver: &hir::Expr<'_>, args: &[hir::Expr<'_>]) { let mut applicability = Applicability::MachineApplicable; - if let Some(extension_string) = get_hint_if_single_char_arg(cx, &args[0], &mut applicability, false) { + if let Some(extension_string) = str_literal_to_char_literal(cx, &args[0], &mut applicability, false) { let base_string_snippet = snippet_with_applicability(cx, receiver.span.source_callsite(), "..", &mut applicability); let sugg = format!("{base_string_snippet}.push({extension_string})"); diff --git a/clippy_lints/src/methods/utils.rs b/clippy_lints/src/methods/utils.rs index 5d58c73f8b20..0d2b0a313176 100644 --- a/clippy_lints/src/methods/utils.rs +++ b/clippy_lints/src/methods/utils.rs @@ -1,8 +1,5 @@ -use clippy_utils::source::snippet_with_applicability; use clippy_utils::ty::is_type_diagnostic_item; use clippy_utils::{get_parent_expr, path_to_local_id, usage}; -use rustc_ast::ast; -use rustc_errors::Applicability; use rustc_hir::intravisit::{walk_expr, Visitor}; use rustc_hir::{BorrowKind, Expr, ExprKind, HirId, Mutability, Pat, QPath, Stmt, StmtKind}; use rustc_lint::LateContext; @@ -49,48 +46,6 @@ pub(super) fn derefs_to_slice<'tcx>( } } -pub(super) fn get_hint_if_single_char_arg( - cx: &LateContext<'_>, - arg: &Expr<'_>, - applicability: &mut Applicability, - ascii_only: bool, -) -> Option { - if let ExprKind::Lit(lit) = &arg.kind - && let ast::LitKind::Str(r, style) = lit.node - && let string = r.as_str() - && let len = if ascii_only { - string.len() - } else { - string.chars().count() - } - && len == 1 - { - let snip = snippet_with_applicability(cx, arg.span, string, applicability); - let ch = if let ast::StrStyle::Raw(nhash) = style { - let nhash = nhash as usize; - // for raw string: r##"a"## - &snip[(nhash + 2)..(snip.len() - 1 - nhash)] - } else { - // for regular string: "a" - &snip[1..(snip.len() - 1)] - }; - - let hint = format!( - "'{}'", - match ch { - "'" => "\\'", - r"\" => "\\\\", - "\\\"" => "\"", // no need to escape `"` in `'"'` - _ => ch, - } - ); - - Some(hint) - } else { - None - } -} - /// The core logic of `check_for_loop_iter` in `unnecessary_iter_cloned.rs`, this function wraps a /// use of `CloneOrCopyVisitor`. pub(super) fn clone_or_copy_needed<'tcx>( diff --git a/clippy_lints/src/misc_early/zero_prefixed_literal.rs b/clippy_lints/src/misc_early/zero_prefixed_literal.rs index 4f9578d1b257..61f4684c9e37 100644 --- a/clippy_lints/src/misc_early/zero_prefixed_literal.rs +++ b/clippy_lints/src/misc_early/zero_prefixed_literal.rs @@ -6,7 +6,7 @@ use rustc_span::Span; use super::ZERO_PREFIXED_LITERAL; pub(super) fn check(cx: &EarlyContext<'_>, lit_span: Span, lit_snip: &str) { - let trimmed_lit_snip = lit_snip.trim_start_matches(|c| c == '_' || c == '0'); + let trimmed_lit_snip = lit_snip.trim_start_matches(['_', '0']); span_lint_and_then( cx, ZERO_PREFIXED_LITERAL, @@ -20,7 +20,7 @@ pub(super) fn check(cx: &EarlyContext<'_>, lit_span: Span, lit_snip: &str) { Applicability::MaybeIncorrect, ); // do not advise to use octal form if the literal cannot be expressed in base 8. - if !lit_snip.contains(|c| c == '8' || c == '9') { + if !lit_snip.contains(['8', '9']) { diag.span_suggestion( lit_span, "if you mean to use an octal constant, use `0o`", diff --git a/clippy_lints/src/string_patterns.rs b/clippy_lints/src/string_patterns.rs new file mode 100644 index 000000000000..64b5b8f9f27b --- /dev/null +++ b/clippy_lints/src/string_patterns.rs @@ -0,0 +1,227 @@ +use std::ops::ControlFlow; + +use clippy_utils::diagnostics::{span_lint_and_sugg, span_lint_and_then}; +use clippy_utils::eager_or_lazy::switch_to_eager_eval; +use clippy_utils::macros::matching_root_macro_call; +use clippy_utils::path_to_local_id; +use clippy_utils::source::{snippet, str_literal_to_char_literal}; +use clippy_utils::visitors::{for_each_expr, Descend}; +use itertools::Itertools; +use rustc_ast::{BinOpKind, LitKind}; +use rustc_errors::Applicability; +use rustc_hir::{Expr, ExprKind, PatKind}; +use rustc_lint::{LateContext, LateLintPass}; +use rustc_middle::ty; +use rustc_session::declare_lint_pass; +use rustc_span::{sym, Span}; + +declare_clippy_lint! { + /// ### What it does + /// Checks for manual `char` comparison in string patterns + /// + /// ### Why is this bad? + /// This can be written more concisely using a `char` or an array of `char`. + /// This is more readable and more optimized when comparing to only one `char`. + /// + /// ### Example + /// ```no_run + /// "Hello World!".trim_end_matches(|c| c == '.' || c == ',' || c == '!' || c == '?'); + /// ``` + /// Use instead: + /// ```no_run + /// "Hello World!".trim_end_matches(['.', ',', '!', '?']); + /// ``` + #[clippy::version = "1.80.0"] + pub MANUAL_PATTERN_CHAR_COMPARISON, + style, + "manual char comparison in string patterns" +} + +declare_clippy_lint! { + /// ### What it does + /// Checks for string methods that receive a single-character + /// `str` as an argument, e.g., `_.split("x")`. + /// + /// ### Why is this bad? + /// While this can make a perf difference on some systems, + /// benchmarks have proven inconclusive. But at least using a + /// char literal makes it clear that we are looking at a single + /// character. + /// + /// ### Known problems + /// Does not catch multi-byte unicode characters. This is by + /// design, on many machines, splitting by a non-ascii char is + /// actually slower. Please do your own measurements instead of + /// relying solely on the results of this lint. + /// + /// ### Example + /// ```rust,ignore + /// _.split("x"); + /// ``` + /// + /// Use instead: + /// ```rust,ignore + /// _.split('x'); + /// ``` + #[clippy::version = "pre 1.29.0"] + pub SINGLE_CHAR_PATTERN, + pedantic, + "using a single-character str where a char could be used, e.g., `_.split(\"x\")`" +} + +declare_lint_pass!(StringPatterns => [MANUAL_PATTERN_CHAR_COMPARISON, SINGLE_CHAR_PATTERN]); + +const PATTERN_METHODS: [(&str, usize); 22] = [ + ("contains", 0), + ("starts_with", 0), + ("ends_with", 0), + ("find", 0), + ("rfind", 0), + ("split", 0), + ("split_inclusive", 0), + ("rsplit", 0), + ("split_terminator", 0), + ("rsplit_terminator", 0), + ("splitn", 1), + ("rsplitn", 1), + ("split_once", 0), + ("rsplit_once", 0), + ("matches", 0), + ("rmatches", 0), + ("match_indices", 0), + ("rmatch_indices", 0), + ("trim_start_matches", 0), + ("trim_end_matches", 0), + ("replace", 0), + ("replacen", 0), +]; + +fn check_single_char_pattern_lint(cx: &LateContext<'_>, arg: &Expr<'_>) { + let mut applicability = Applicability::MachineApplicable; + if let Some(hint) = str_literal_to_char_literal(cx, arg, &mut applicability, true) { + span_lint_and_sugg( + cx, + SINGLE_CHAR_PATTERN, + arg.span, + "single-character string constant used as pattern", + "consider using a `char`", + hint, + applicability, + ); + } +} + +fn get_char_span<'tcx>(cx: &'_ LateContext<'tcx>, expr: &'tcx Expr<'_>) -> Option { + if cx.typeck_results().expr_ty_adjusted(expr).is_char() + && !expr.span.from_expansion() + && switch_to_eager_eval(cx, expr) + { + Some(expr.span) + } else { + None + } +} + +fn check_manual_pattern_char_comparison(cx: &LateContext<'_>, method_arg: &Expr<'_>) { + if let ExprKind::Closure(closure) = method_arg.kind + && let body = cx.tcx.hir().body(closure.body) + && let Some(PatKind::Binding(_, binding, ..)) = body.params.first().map(|p| p.pat.kind) + { + let mut set_char_spans: Vec = Vec::new(); + + // We want to retrieve all the comparisons done. + // They are ordered in a nested way and so we need to traverse the AST to collect them all. + if for_each_expr(cx, body.value, |sub_expr| -> ControlFlow<(), Descend> { + match sub_expr.kind { + ExprKind::Binary(op, left, right) if op.node == BinOpKind::Eq => { + if path_to_local_id(left, binding) + && let Some(span) = get_char_span(cx, right) + { + set_char_spans.push(span); + ControlFlow::Continue(Descend::No) + } else if path_to_local_id(right, binding) + && let Some(span) = get_char_span(cx, left) + { + set_char_spans.push(span); + ControlFlow::Continue(Descend::No) + } else { + ControlFlow::Break(()) + } + }, + ExprKind::Binary(op, _, _) if op.node == BinOpKind::Or => ControlFlow::Continue(Descend::Yes), + ExprKind::Match(match_value, [arm, _], _) => { + if matching_root_macro_call(cx, sub_expr.span, sym::matches_macro).is_none() + || arm.guard.is_some() + || !path_to_local_id(match_value, binding) + { + return ControlFlow::Break(()); + } + if arm.pat.walk_short(|pat| match pat.kind { + PatKind::Lit(expr) if let ExprKind::Lit(lit) = expr.kind => { + if let LitKind::Char(_) = lit.node { + set_char_spans.push(lit.span); + } + true + }, + PatKind::Or(_) => true, + _ => false, + }) { + ControlFlow::Continue(Descend::No) + } else { + ControlFlow::Break(()) + } + }, + _ => ControlFlow::Break(()), + } + }) + .is_some() + { + return; + } + span_lint_and_then( + cx, + MANUAL_PATTERN_CHAR_COMPARISON, + method_arg.span, + "this manual char comparison can be written more succinctly", + |diag| { + if let [set_char_span] = set_char_spans[..] { + diag.span_suggestion( + method_arg.span, + "consider using a `char`", + snippet(cx, set_char_span, "c"), + Applicability::MachineApplicable, + ); + } else { + diag.span_suggestion( + method_arg.span, + "consider using an array of `char`", + format!( + "[{}]", + set_char_spans.into_iter().map(|span| snippet(cx, span, "c")).join(", ") + ), + Applicability::MachineApplicable, + ); + } + }, + ); + } +} + +impl<'tcx> LateLintPass<'tcx> for StringPatterns { + fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { + if !expr.span.from_expansion() + && let ExprKind::MethodCall(method, receiver, args, _) = expr.kind + && let ty::Ref(_, ty, _) = cx.typeck_results().expr_ty_adjusted(receiver).kind() + && ty.is_str() + && let method_name = method.ident.name.as_str() + && let Some(&(_, pos)) = PATTERN_METHODS + .iter() + .find(|(array_method_name, _)| *array_method_name == method_name) + && let Some(arg) = args.get(pos) + { + check_single_char_pattern_lint(cx, arg); + + check_manual_pattern_char_comparison(cx, arg); + } + } +} diff --git a/clippy_utils/src/source.rs b/clippy_utils/src/source.rs index 69f593fe04ac..b7ff7ebe9105 100644 --- a/clippy_utils/src/source.rs +++ b/clippy_utils/src/source.rs @@ -2,6 +2,7 @@ #![allow(clippy::module_name_repetitions)] +use rustc_ast::{LitKind, StrStyle}; use rustc_data_structures::sync::Lrc; use rustc_errors::Applicability; use rustc_hir::{BlockCheckMode, Expr, ExprKind, UnsafeSource}; @@ -500,6 +501,50 @@ pub fn expand_past_previous_comma(cx: &LateContext<'_>, span: Span) -> Span { extended.with_lo(extended.lo() - BytePos(1)) } +/// Converts `expr` to a `char` literal if it's a `str` literal containing a single +/// character (or a single byte with `ascii_only`) +pub fn str_literal_to_char_literal( + cx: &LateContext<'_>, + expr: &Expr<'_>, + applicability: &mut Applicability, + ascii_only: bool, +) -> Option { + if let ExprKind::Lit(lit) = &expr.kind + && let LitKind::Str(r, style) = lit.node + && let string = r.as_str() + && let len = if ascii_only { + string.len() + } else { + string.chars().count() + } + && len == 1 + { + let snip = snippet_with_applicability(cx, expr.span, string, applicability); + let ch = if let StrStyle::Raw(nhash) = style { + let nhash = nhash as usize; + // for raw string: r##"a"## + &snip[(nhash + 2)..(snip.len() - 1 - nhash)] + } else { + // for regular string: "a" + &snip[1..(snip.len() - 1)] + }; + + let hint = format!( + "'{}'", + match ch { + "'" => "\\'", + r"\" => "\\\\", + "\\\"" => "\"", // no need to escape `"` in `'"'` + _ => ch, + } + ); + + Some(hint) + } else { + None + } +} + #[cfg(test)] mod test { use super::{reindent_multiline, without_block_comments}; diff --git a/tests/ui/manual_pattern_char_comparison.fixed b/tests/ui/manual_pattern_char_comparison.fixed new file mode 100644 index 000000000000..588226b87e87 --- /dev/null +++ b/tests/ui/manual_pattern_char_comparison.fixed @@ -0,0 +1,49 @@ +#![warn(clippy::manual_pattern_char_comparison)] + +struct NotStr; + +impl NotStr { + fn find(&self, _: impl FnMut(char) -> bool) {} +} + +fn main() { + let sentence = "Hello, world!"; + sentence.trim_end_matches(['.', ',', '!', '?']); + sentence.split(['\n', 'X']); + sentence.split(['\n', 'X']); + sentence.splitn(3, 'X'); + sentence.splitn(3, |c: char| c.is_whitespace() || c == 'X'); + let char_compare = 'X'; + sentence.splitn(3, char_compare); + sentence.split(['\n', 'X', 'Y']); + sentence.splitn(3, 'X'); + sentence.splitn(3, ['X', 'W']); + sentence.find('🎈'); + + let not_str = NotStr; + not_str.find(|c: char| c == 'X'); + + "".find(|c| c == 'a' || c > 'z'); + + let x = true; + "".find(|c| c == 'a' || x || c == 'b'); + + let d = 'd'; + "".find(|c| c == 'a' || d == 'b'); + + "".find(|c| match c { + 'a' | 'b' => true, + _ => c.is_ascii(), + }); + + "".find(|c| matches!(c, 'a' | 'b' if false)); + + "".find(|c| matches!(c, 'a' | '1'..'4')); + "".find(|c| c == 'a' || matches!(c, '1'..'4')); + macro_rules! m { + ($e:expr) => { + $e == '?' + }; + } + "".find(|c| m!(c)); +} diff --git a/tests/ui/manual_pattern_char_comparison.rs b/tests/ui/manual_pattern_char_comparison.rs new file mode 100644 index 000000000000..5078f3ee27f3 --- /dev/null +++ b/tests/ui/manual_pattern_char_comparison.rs @@ -0,0 +1,49 @@ +#![warn(clippy::manual_pattern_char_comparison)] + +struct NotStr; + +impl NotStr { + fn find(&self, _: impl FnMut(char) -> bool) {} +} + +fn main() { + let sentence = "Hello, world!"; + sentence.trim_end_matches(|c: char| c == '.' || c == ',' || c == '!' || c == '?'); + sentence.split(|c: char| c == '\n' || c == 'X'); + sentence.split(|c| c == '\n' || c == 'X'); + sentence.splitn(3, |c: char| c == 'X'); + sentence.splitn(3, |c: char| c.is_whitespace() || c == 'X'); + let char_compare = 'X'; + sentence.splitn(3, |c: char| c == char_compare); + sentence.split(|c: char| matches!(c, '\n' | 'X' | 'Y')); + sentence.splitn(3, |c: char| matches!(c, 'X')); + sentence.splitn(3, |c: char| matches!(c, 'X' | 'W')); + sentence.find(|c| c == '🎈'); + + let not_str = NotStr; + not_str.find(|c: char| c == 'X'); + + "".find(|c| c == 'a' || c > 'z'); + + let x = true; + "".find(|c| c == 'a' || x || c == 'b'); + + let d = 'd'; + "".find(|c| c == 'a' || d == 'b'); + + "".find(|c| match c { + 'a' | 'b' => true, + _ => c.is_ascii(), + }); + + "".find(|c| matches!(c, 'a' | 'b' if false)); + + "".find(|c| matches!(c, 'a' | '1'..'4')); + "".find(|c| c == 'a' || matches!(c, '1'..'4')); + macro_rules! m { + ($e:expr) => { + $e == '?' + }; + } + "".find(|c| m!(c)); +} diff --git a/tests/ui/manual_pattern_char_comparison.stderr b/tests/ui/manual_pattern_char_comparison.stderr new file mode 100644 index 000000000000..b6b51794a11f --- /dev/null +++ b/tests/ui/manual_pattern_char_comparison.stderr @@ -0,0 +1,59 @@ +error: this manual char comparison can be written more succinctly + --> tests/ui/manual_pattern_char_comparison.rs:11:31 + | +LL | sentence.trim_end_matches(|c: char| c == '.' || c == ',' || c == '!' || c == '?'); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using an array of `char`: `['.', ',', '!', '?']` + | + = note: `-D clippy::manual-pattern-char-comparison` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::manual_pattern_char_comparison)]` + +error: this manual char comparison can be written more succinctly + --> tests/ui/manual_pattern_char_comparison.rs:12:20 + | +LL | sentence.split(|c: char| c == '\n' || c == 'X'); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using an array of `char`: `['\n', 'X']` + +error: this manual char comparison can be written more succinctly + --> tests/ui/manual_pattern_char_comparison.rs:13:20 + | +LL | sentence.split(|c| c == '\n' || c == 'X'); + | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using an array of `char`: `['\n', 'X']` + +error: this manual char comparison can be written more succinctly + --> tests/ui/manual_pattern_char_comparison.rs:14:24 + | +LL | sentence.splitn(3, |c: char| c == 'X'); + | ^^^^^^^^^^^^^^^^^^ help: consider using a `char`: `'X'` + +error: this manual char comparison can be written more succinctly + --> tests/ui/manual_pattern_char_comparison.rs:17:24 + | +LL | sentence.splitn(3, |c: char| c == char_compare); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using a `char`: `char_compare` + +error: this manual char comparison can be written more succinctly + --> tests/ui/manual_pattern_char_comparison.rs:18:20 + | +LL | sentence.split(|c: char| matches!(c, '\n' | 'X' | 'Y')); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using an array of `char`: `['\n', 'X', 'Y']` + +error: this manual char comparison can be written more succinctly + --> tests/ui/manual_pattern_char_comparison.rs:19:24 + | +LL | sentence.splitn(3, |c: char| matches!(c, 'X')); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using a `char`: `'X'` + +error: this manual char comparison can be written more succinctly + --> tests/ui/manual_pattern_char_comparison.rs:20:24 + | +LL | sentence.splitn(3, |c: char| matches!(c, 'X' | 'W')); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using an array of `char`: `['X', 'W']` + +error: this manual char comparison can be written more succinctly + --> tests/ui/manual_pattern_char_comparison.rs:21:19 + | +LL | sentence.find(|c| c == '🎈'); + | ^^^^^^^^^^^^^ help: consider using a `char`: `'🎈'` + +error: aborting due to 9 previous errors + diff --git a/tests/ui/search_is_some.rs b/tests/ui/search_is_some.rs index e8a0920b645d..9a9aaba56adc 100644 --- a/tests/ui/search_is_some.rs +++ b/tests/ui/search_is_some.rs @@ -1,5 +1,6 @@ //@aux-build:option_helpers.rs #![warn(clippy::search_is_some)] +#![allow(clippy::manual_pattern_char_comparison)] #![allow(clippy::useless_vec)] #![allow(dead_code)] extern crate option_helpers; diff --git a/tests/ui/search_is_some.stderr b/tests/ui/search_is_some.stderr index b5f84d23284a..b5ef55341770 100644 --- a/tests/ui/search_is_some.stderr +++ b/tests/ui/search_is_some.stderr @@ -1,5 +1,5 @@ error: called `is_some()` after searching an `Iterator` with `find` - --> tests/ui/search_is_some.rs:15:13 + --> tests/ui/search_is_some.rs:16:13 | LL | let _ = v.iter().find(|&x| { | _____________^ @@ -13,7 +13,7 @@ LL | | ).is_some(); = help: to override `-D warnings` add `#[allow(clippy::search_is_some)]` error: called `is_some()` after searching an `Iterator` with `position` - --> tests/ui/search_is_some.rs:21:13 + --> tests/ui/search_is_some.rs:22:13 | LL | let _ = v.iter().position(|&x| { | _____________^ @@ -25,7 +25,7 @@ LL | | ).is_some(); = help: this is more succinctly expressed by calling `any()` error: called `is_some()` after searching an `Iterator` with `rposition` - --> tests/ui/search_is_some.rs:27:13 + --> tests/ui/search_is_some.rs:28:13 | LL | let _ = v.iter().rposition(|&x| { | _____________^ @@ -37,13 +37,13 @@ LL | | ).is_some(); = help: this is more succinctly expressed by calling `any()` error: called `is_some()` after searching an `Iterator` with `find` - --> tests/ui/search_is_some.rs:42:20 + --> tests/ui/search_is_some.rs:43:20 | LL | let _ = (0..1).find(some_closure).is_some(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `any(some_closure)` error: called `is_none()` after searching an `Iterator` with `find` - --> tests/ui/search_is_some.rs:52:13 + --> tests/ui/search_is_some.rs:53:13 | LL | let _ = v.iter().find(|&x| { | _____________^ @@ -55,7 +55,7 @@ LL | | ).is_none(); = help: this is more succinctly expressed by calling `any()` with negation error: called `is_none()` after searching an `Iterator` with `position` - --> tests/ui/search_is_some.rs:58:13 + --> tests/ui/search_is_some.rs:59:13 | LL | let _ = v.iter().position(|&x| { | _____________^ @@ -67,7 +67,7 @@ LL | | ).is_none(); = help: this is more succinctly expressed by calling `any()` with negation error: called `is_none()` after searching an `Iterator` with `rposition` - --> tests/ui/search_is_some.rs:64:13 + --> tests/ui/search_is_some.rs:65:13 | LL | let _ = v.iter().rposition(|&x| { | _____________^ @@ -79,7 +79,7 @@ LL | | ).is_none(); = help: this is more succinctly expressed by calling `any()` with negation error: called `is_none()` after searching an `Iterator` with `find` - --> tests/ui/search_is_some.rs:79:13 + --> tests/ui/search_is_some.rs:80:13 | LL | let _ = (0..1).find(some_closure).is_none(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `!(0..1).any(some_closure)` From cc37e3c1828a3033c116f239a6540e1bf5fad96d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E8=AE=B8=E6=9D=B0=E5=8F=8B=20Jieyou=20Xu=20=28Joe=29?= Date: Sun, 9 Jun 2024 16:26:25 +0000 Subject: [PATCH 1355/1716] compiletest: compile rmake.rs with -Dunused_must_use --- src/tools/compiletest/src/runtest.rs | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs index dbe016b8305a..cc15961b46ed 100644 --- a/src/tools/compiletest/src/runtest.rs +++ b/src/tools/compiletest/src/runtest.rs @@ -3551,6 +3551,10 @@ impl<'test> TestCx<'test> { .env("TARGET_RPATH_DIR", cwd.join(&self.config.run_lib_path)) .env("LLVM_COMPONENTS", &self.config.llvm_components); + // In test code we want to be very pedantic about values being silently discarded that are + // annotated with `#[must_use]`. + cmd.arg("-Dunused_must_use"); + if std::env::var_os("COMPILETEST_FORCE_STAGE0").is_some() { let mut stage0_sysroot = build_root.clone(); stage0_sysroot.push("stage0-sysroot"); From 43afafcdb37d5a47d6b4139175bb667ade0d6784 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E8=AE=B8=E6=9D=B0=E5=8F=8B=20Jieyou=20Xu=20=28Joe=29?= Date: Tue, 11 Jun 2024 21:02:54 +0000 Subject: [PATCH 1356/1716] run-make-support: add #[must_use] annotations --- src/tools/run-make-support/src/cc.rs | 1 + src/tools/run-make-support/src/clang.rs | 1 + src/tools/run-make-support/src/command.rs | 3 +++ src/tools/run-make-support/src/diff/mod.rs | 1 + src/tools/run-make-support/src/lib.rs | 17 +++++++++++++++++ src/tools/run-make-support/src/llvm_readobj.rs | 1 + src/tools/run-make-support/src/rustc.rs | 1 + src/tools/run-make-support/src/rustdoc.rs | 1 + 8 files changed, 26 insertions(+) diff --git a/src/tools/run-make-support/src/cc.rs b/src/tools/run-make-support/src/cc.rs index 8694740cfc30..31b9e8a23b88 100644 --- a/src/tools/run-make-support/src/cc.rs +++ b/src/tools/run-make-support/src/cc.rs @@ -15,6 +15,7 @@ pub fn cc() -> Cc { /// A platform-specific C compiler invocation builder. The specific C compiler used is /// passed down from compiletest. #[derive(Debug)] +#[must_use] pub struct Cc { cmd: Command, } diff --git a/src/tools/run-make-support/src/clang.rs b/src/tools/run-make-support/src/clang.rs index a31004659c17..c23e41ebe219 100644 --- a/src/tools/run-make-support/src/clang.rs +++ b/src/tools/run-make-support/src/clang.rs @@ -11,6 +11,7 @@ pub fn clang() -> Clang { /// A `clang` invocation builder. #[derive(Debug)] +#[must_use] pub struct Clang { cmd: Command, } diff --git a/src/tools/run-make-support/src/command.rs b/src/tools/run-make-support/src/command.rs index d689dc2f979a..7cbc61bdf33e 100644 --- a/src/tools/run-make-support/src/command.rs +++ b/src/tools/run-make-support/src/command.rs @@ -148,14 +148,17 @@ pub struct CompletedProcess { } impl CompletedProcess { + #[must_use] pub fn stdout_utf8(&self) -> String { String::from_utf8(self.output.stdout.clone()).expect("stdout is not valid UTF-8") } + #[must_use] pub fn stderr_utf8(&self) -> String { String::from_utf8(self.output.stderr.clone()).expect("stderr is not valid UTF-8") } + #[must_use] pub fn status(&self) -> ExitStatus { self.output.status } diff --git a/src/tools/run-make-support/src/diff/mod.rs b/src/tools/run-make-support/src/diff/mod.rs index 0fb6fec9d58c..105cdbc7b327 100644 --- a/src/tools/run-make-support/src/diff/mod.rs +++ b/src/tools/run-make-support/src/diff/mod.rs @@ -13,6 +13,7 @@ pub fn diff() -> Diff { } #[derive(Debug)] +#[must_use] pub struct Diff { expected: Option, expected_name: Option, diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index b920f9a07db8..9f8cd3bea7ca 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -35,6 +35,7 @@ pub use rustc::{aux_build, rustc, Rustc}; pub use rustdoc::{bare_rustdoc, rustdoc, Rustdoc}; #[track_caller] +#[must_use] pub fn env_var(name: &str) -> String { match env::var(name) { Ok(v) => v, @@ -43,6 +44,7 @@ pub fn env_var(name: &str) -> String { } #[track_caller] +#[must_use] pub fn env_var_os(name: &str) -> OsString { match env::var_os(name) { Some(v) => v, @@ -51,32 +53,38 @@ pub fn env_var_os(name: &str) -> OsString { } /// `TARGET` +#[must_use] pub fn target() -> String { env_var("TARGET") } /// Check if target is windows-like. +#[must_use] pub fn is_windows() -> bool { target().contains("windows") } /// Check if target uses msvc. +#[must_use] pub fn is_msvc() -> bool { target().contains("msvc") } /// Check if target uses macOS. +#[must_use] pub fn is_darwin() -> bool { target().contains("darwin") } #[track_caller] +#[must_use] pub fn python_command() -> Command { let python_path = env_var("PYTHON"); Command::new(python_path) } #[track_caller] +#[must_use] pub fn htmldocck() -> Command { let mut python = python_command(); python.arg(source_root().join("src/etc/htmldocck.py")); @@ -89,11 +97,13 @@ pub fn path>(p: P) -> PathBuf { } /// Path to the root rust-lang/rust source checkout. +#[must_use] pub fn source_root() -> PathBuf { env_var("SOURCE_ROOT").into() } /// Construct the static library name based on the platform. +#[must_use] pub fn static_lib_name(name: &str) -> String { // See tools.mk (irrelevant lines omitted): // @@ -118,6 +128,7 @@ pub fn static_lib_name(name: &str) -> String { } /// Construct the dynamic library name based on the platform. +#[must_use] pub fn dynamic_lib_name(name: &str) -> String { // See tools.mk (irrelevant lines omitted): // @@ -144,6 +155,7 @@ pub fn dynamic_lib_name(name: &str) -> String { } } +#[must_use] pub fn dynamic_lib_extension() -> &'static str { if is_darwin() { "dylib" @@ -155,16 +167,19 @@ pub fn dynamic_lib_extension() -> &'static str { } /// Generate the name a rust library (rlib) would have. +#[must_use] pub fn rust_lib_name(name: &str) -> String { format!("lib{name}.rlib") } /// Construct the binary name based on platform. +#[must_use] pub fn bin_name(name: &str) -> String { if is_windows() { format!("{name}.exe") } else { name.to_string() } } /// Return the current working directory. +#[must_use] pub fn cwd() -> PathBuf { env::current_dir().unwrap() } @@ -172,6 +187,7 @@ pub fn cwd() -> PathBuf { /// Use `cygpath -w` on a path to get a Windows path string back. This assumes that `cygpath` is /// available on the platform! #[track_caller] +#[must_use] pub fn cygpath_windows>(path: P) -> String { let caller = panic::Location::caller(); let mut cygpath = Command::new("cygpath"); @@ -187,6 +203,7 @@ pub fn cygpath_windows>(path: P) -> String { /// Run `uname`. This assumes that `uname` is available on the platform! #[track_caller] +#[must_use] pub fn uname() -> String { let caller = panic::Location::caller(); let mut uname = Command::new("uname"); diff --git a/src/tools/run-make-support/src/llvm_readobj.rs b/src/tools/run-make-support/src/llvm_readobj.rs index 57ddfc205e66..3c719356e8f3 100644 --- a/src/tools/run-make-support/src/llvm_readobj.rs +++ b/src/tools/run-make-support/src/llvm_readobj.rs @@ -12,6 +12,7 @@ pub fn llvm_readobj() -> LlvmReadobj { /// A `llvm-readobj` invocation builder. #[derive(Debug)] +#[must_use] pub struct LlvmReadobj { cmd: Command, } diff --git a/src/tools/run-make-support/src/rustc.rs b/src/tools/run-make-support/src/rustc.rs index 32fa5018d800..39950f431766 100644 --- a/src/tools/run-make-support/src/rustc.rs +++ b/src/tools/run-make-support/src/rustc.rs @@ -18,6 +18,7 @@ pub fn aux_build() -> Rustc { /// A `rustc` invocation builder. #[derive(Debug)] +#[must_use] pub struct Rustc { cmd: Command, } diff --git a/src/tools/run-make-support/src/rustdoc.rs b/src/tools/run-make-support/src/rustdoc.rs index 332906f739a9..930785612545 100644 --- a/src/tools/run-make-support/src/rustdoc.rs +++ b/src/tools/run-make-support/src/rustdoc.rs @@ -17,6 +17,7 @@ pub fn rustdoc() -> Rustdoc { } #[derive(Debug)] +#[must_use] pub struct Rustdoc { cmd: Command, } From c8e3eeb9650b9d4351a0ed81e4a159782e46cbcf Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E8=AE=B8=E6=9D=B0=E5=8F=8B=20Jieyou=20Xu=20=28Joe=29?= Date: Tue, 11 Jun 2024 21:16:22 +0000 Subject: [PATCH 1357/1716] tests/run-make: update to use fs_wrapper From f6ab5e997cc8afa1d4a2910ab5db0e529e773fbc Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E8=AE=B8=E6=9D=B0=E5=8F=8B=20Jieyou=20Xu=20=28Joe=29?= Date: Sun, 9 Jun 2024 16:29:14 +0000 Subject: [PATCH 1358/1716] run-make-support: bump version --- Cargo.lock | 2 +- src/tools/run-make-support/Cargo.toml | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/Cargo.lock b/Cargo.lock index e5ea9fee8a6d..9d3eada28101 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -3452,7 +3452,7 @@ dependencies = [ [[package]] name = "run_make_support" -version = "0.1.0" +version = "0.2.0" dependencies = [ "gimli 0.28.1", "object 0.34.0", diff --git a/src/tools/run-make-support/Cargo.toml b/src/tools/run-make-support/Cargo.toml index 5450620e7f00..2f7f51442f16 100644 --- a/src/tools/run-make-support/Cargo.toml +++ b/src/tools/run-make-support/Cargo.toml @@ -1,6 +1,6 @@ [package] name = "run_make_support" -version = "0.1.0" +version = "0.2.0" edition = "2021" [dependencies] From 5b126ed35857154274fe7f2e69c19b7c74a5fc30 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E8=AE=B8=E6=9D=B0=E5=8F=8B=20Jieyou=20Xu=20=28Joe=29?= Date: Sun, 9 Jun 2024 16:27:15 +0000 Subject: [PATCH 1359/1716] run-make-support: update changelog --- src/tools/run-make-support/CHANGELOG.md | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/src/tools/run-make-support/CHANGELOG.md b/src/tools/run-make-support/CHANGELOG.md index a37de9fda80d..c1b7b618a921 100644 --- a/src/tools/run-make-support/CHANGELOG.md +++ b/src/tools/run-make-support/CHANGELOG.md @@ -10,6 +10,22 @@ changes to the support library). This support library will probably never reach 1.0. Please bump the minor version in `Cargo.toml` if you make any breaking changes or other significant changes, or bump the patch version for bug fixes. +## [0.2.0] - 2024-06-11 + +### Added + +- Added `fs_wrapper` module which provides panic-on-fail helpers for their respective `std::fs` + counterparts, the motivation is to: + - Reduce littering `.unwrap()` or `.expect()` everywhere for fs operations + - Help the test writer avoid forgetting to check fs results (even though enforced by + `-Dunused_must_use`) + - Provide better panic messages by default +- Added `path()` helper which creates a `Path` relative to `cwd()` (but is less noisy). + +### Changed + +- Marked many functions with `#[must_use]`, and rmake.rs are now compiled with `-Dunused_must_use`. + ## [0.1.0] - 2024-06-09 ### Changed From 1a6059726551a464290117adfdf652a9e001ec75 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Tue, 11 Jun 2024 11:36:48 +1000 Subject: [PATCH 1360/1716] Make `storage-live.rs` robust against rustc internal changes. Currently it can be made to fail by rearranging code within `compiler/rustc_mir_transform/src/lint.rs`. --- tests/ui/mir/lint/storage-live.rs | 1 + tests/ui/mir/lint/storage-live.stderr | 6 +++--- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/tests/ui/mir/lint/storage-live.rs b/tests/ui/mir/lint/storage-live.rs index 8273544b56a1..d734b773642e 100644 --- a/tests/ui/mir/lint/storage-live.rs +++ b/tests/ui/mir/lint/storage-live.rs @@ -5,6 +5,7 @@ //@ normalize-stderr-test "note: .*\n\n" -> "" //@ normalize-stderr-test "thread 'rustc' panicked.*\n" -> "" //@ normalize-stderr-test "storage_live\[....\]" -> "storage_live[HASH]" +//@ normalize-stderr-test "(delayed at [^:]+):\d+:\d+ - " -> "$1:LL:CC - " //@ rustc-env:RUST_BACKTRACE=0 #![feature(custom_mir, core_intrinsics)] diff --git a/tests/ui/mir/lint/storage-live.stderr b/tests/ui/mir/lint/storage-live.stderr index 2eb8d8e70001..7d4c3f0832a9 100644 --- a/tests/ui/mir/lint/storage-live.stderr +++ b/tests/ui/mir/lint/storage-live.stderr @@ -1,12 +1,12 @@ error: internal compiler error: broken MIR in Item(DefId(0:8 ~ storage_live[HASH]::multiple_storage)) (after pass CheckPackedRef) at bb0[1]: StorageLive(_1) which already has storage here - --> $DIR/storage-live.rs:22:13 + --> $DIR/storage-live.rs:23:13 | LL | StorageLive(a); | ^^^^^^^^^^^^^^ | -note: delayed at compiler/rustc_mir_transform/src/lint.rs:97:26 - disabled backtrace - --> $DIR/storage-live.rs:22:13 +note: delayed at compiler/rustc_mir_transform/src/lint.rs:LL:CC - disabled backtrace + --> $DIR/storage-live.rs:23:13 | LL | StorageLive(a); | ^^^^^^^^^^^^^^ From 27ecb71635f0a168d8827fb4efc33b122c291e9c Mon Sep 17 00:00:00 2001 From: Kevin Reid Date: Tue, 11 Jun 2024 15:16:47 -0700 Subject: [PATCH 1361/1716] `UniqueRc`: support allocators and `T: ?Sized`. Added the following (all unstable): * Defaulted type pararameter `A: Allocator`. * `UniqueRc::new_in()`. * `T: ?Sized` where possible. * `impl CoerceUnsized for UniqueRc`. * Drive-by doc polish: links and periods at the end of sentences. These changes are motivated by supporting the implementation of unsized `Rc::make_mut()` (PR #116113), but are also intended to be obvious generalizations of `UniqueRc` to support the things `Rc` does. --- library/alloc/src/rc.rs | 95 ++++++++++++++++++++++++----------- library/alloc/src/rc/tests.rs | 26 ++++++++++ 2 files changed, 91 insertions(+), 30 deletions(-) diff --git a/library/alloc/src/rc.rs b/library/alloc/src/rc.rs index f3a4803e0d4a..336fd52d92fb 100644 --- a/library/alloc/src/rc.rs +++ b/library/alloc/src/rc.rs @@ -3516,7 +3516,7 @@ fn data_offset_align(align: usize) -> usize { layout.size() + layout.padding_needed_for(align) } -/// A uniquely owned `Rc` +/// A uniquely owned [`Rc`]. /// /// This represents an `Rc` that is known to be uniquely owned -- that is, have exactly one strong /// reference. Multiple weak pointers can be created, but attempts to upgrade those to strong @@ -3554,13 +3554,24 @@ fn data_offset_align(align: usize) -> usize { /// including fallible or async constructors. #[unstable(feature = "unique_rc_arc", issue = "112566")] #[derive(Debug)] -pub struct UniqueRc { +pub struct UniqueRc< + T: ?Sized, + #[unstable(feature = "allocator_api", issue = "32838")] A: Allocator = Global, +> { ptr: NonNull>, phantom: PhantomData>, + alloc: A, } +#[unstable(feature = "unique_rc_arc", issue = "112566")] +impl, U: ?Sized, A: Allocator> CoerceUnsized> + for UniqueRc +{ +} + +// Depends on A = Global impl UniqueRc { - /// Creates a new `UniqueRc` + /// Creates a new `UniqueRc`. /// /// Weak references to this `UniqueRc` can be created with [`UniqueRc::downgrade`]. Upgrading /// these weak references will fail before the `UniqueRc` has been converted into an [`Rc`]. @@ -3569,34 +3580,36 @@ impl UniqueRc { #[cfg(not(no_global_oom_handling))] #[unstable(feature = "unique_rc_arc", issue = "112566")] pub fn new(value: T) -> Self { - Self { - ptr: Box::leak(Box::new(RcBox { + Self::new_in(value, Global) + } +} + +impl UniqueRc { + /// Creates a new `UniqueRc` in the provided allocator. + /// + /// Weak references to this `UniqueRc` can be created with [`UniqueRc::downgrade`]. Upgrading + /// these weak references will fail before the `UniqueRc` has been converted into an [`Rc`]. + /// After converting the `UniqueRc` into an [`Rc`], any weak references created beforehand will + /// point to the new [`Rc`]. + #[cfg(not(no_global_oom_handling))] + #[unstable(feature = "unique_rc_arc", issue = "112566")] + pub fn new_in(value: T, alloc: A) -> Self { + let (ptr, alloc) = Box::into_unique(Box::new_in( + RcBox { strong: Cell::new(0), // keep one weak reference so if all the weak pointers that are created are dropped // the UniqueRc still stays valid. weak: Cell::new(1), value, - })) - .into(), - phantom: PhantomData, - } + }, + alloc, + )); + Self { ptr: ptr.into(), phantom: PhantomData, alloc } } +} - /// Creates a new weak reference to the `UniqueRc` - /// - /// Attempting to upgrade this weak reference will fail before the `UniqueRc` has been converted - /// to a [`Rc`] using [`UniqueRc::into_rc`]. - #[unstable(feature = "unique_rc_arc", issue = "112566")] - pub fn downgrade(this: &Self) -> Weak { - // SAFETY: This pointer was allocated at creation time and we guarantee that we only have - // one strong reference before converting to a regular Rc. - unsafe { - this.ptr.as_ref().inc_weak(); - } - Weak { ptr: this.ptr, alloc: Global } - } - - /// Converts the `UniqueRc` into a regular [`Rc`] +impl UniqueRc { + /// Converts the `UniqueRc` into a regular [`Rc`]. /// /// This consumes the `UniqueRc` and returns a regular [`Rc`] that contains the `value` that /// is passed to `into_rc`. @@ -3604,19 +3617,41 @@ impl UniqueRc { /// Any weak references created before this method is called can now be upgraded to strong /// references. #[unstable(feature = "unique_rc_arc", issue = "112566")] - pub fn into_rc(this: Self) -> Rc { + pub fn into_rc(this: Self) -> Rc { let mut this = ManuallyDrop::new(this); + + // Move the allocator out. + // SAFETY: `this.alloc` will not be accessed again, nor dropped because it is in + // a `ManuallyDrop`. + let alloc: A = unsafe { ptr::read(&this.alloc) }; + // SAFETY: This pointer was allocated at creation time so we know it is valid. unsafe { // Convert our weak reference into a strong reference this.ptr.as_mut().strong.set(1); - Rc::from_inner(this.ptr) + Rc::from_inner_in(this.ptr, alloc) } } } +impl UniqueRc { + /// Creates a new weak reference to the `UniqueRc`. + /// + /// Attempting to upgrade this weak reference will fail before the `UniqueRc` has been converted + /// to a [`Rc`] using [`UniqueRc::into_rc`]. + #[unstable(feature = "unique_rc_arc", issue = "112566")] + pub fn downgrade(this: &Self) -> Weak { + // SAFETY: This pointer was allocated at creation time and we guarantee that we only have + // one strong reference before converting to a regular Rc. + unsafe { + this.ptr.as_ref().inc_weak(); + } + Weak { ptr: this.ptr, alloc: this.alloc.clone() } + } +} + #[unstable(feature = "unique_rc_arc", issue = "112566")] -impl Deref for UniqueRc { +impl Deref for UniqueRc { type Target = T; fn deref(&self) -> &T { @@ -3626,7 +3661,7 @@ impl Deref for UniqueRc { } #[unstable(feature = "unique_rc_arc", issue = "112566")] -impl DerefMut for UniqueRc { +impl DerefMut for UniqueRc { fn deref_mut(&mut self) -> &mut T { // SAFETY: This pointer was allocated at creation time so we know it is valid. We know we // have unique ownership and therefore it's safe to make a mutable reference because @@ -3636,7 +3671,7 @@ impl DerefMut for UniqueRc { } #[unstable(feature = "unique_rc_arc", issue = "112566")] -unsafe impl<#[may_dangle] T> Drop for UniqueRc { +unsafe impl<#[may_dangle] T: ?Sized, A: Allocator> Drop for UniqueRc { fn drop(&mut self) { unsafe { // destroy the contained object @@ -3646,7 +3681,7 @@ unsafe impl<#[may_dangle] T> Drop for UniqueRc { self.ptr.as_ref().dec_weak(); if self.ptr.as_ref().weak() == 0 { - Global.deallocate(self.ptr.cast(), Layout::for_value_raw(self.ptr.as_ptr())); + self.alloc.deallocate(self.ptr.cast(), Layout::for_value_raw(self.ptr.as_ptr())); } } } diff --git a/library/alloc/src/rc/tests.rs b/library/alloc/src/rc/tests.rs index c8a40603d9db..0f09be7721fa 100644 --- a/library/alloc/src/rc/tests.rs +++ b/library/alloc/src/rc/tests.rs @@ -606,6 +606,23 @@ fn test_unique_rc_drops_contents() { assert!(dropped); } +/// Exercise the non-default allocator usage. +#[test] +fn test_unique_rc_with_alloc_drops_contents() { + let mut dropped = false; + struct DropMe<'a>(&'a mut bool); + impl Drop for DropMe<'_> { + fn drop(&mut self) { + *self.0 = true; + } + } + { + let rc = UniqueRc::new_in(DropMe(&mut dropped), std::alloc::System); + drop(rc); + } + assert!(dropped); +} + #[test] fn test_unique_rc_weak_clone_holding_ref() { let mut v = UniqueRc::new(0u8); @@ -614,3 +631,12 @@ fn test_unique_rc_weak_clone_holding_ref() { let _ = w.clone(); // touch weak count *r = 123; } + +#[test] +fn test_unique_rc_unsizing_coercion() { + let mut rc: UniqueRc<[u8]> = UniqueRc::new([0u8; 3]); + assert_eq!(rc.len(), 3); + rc[0] = 123; + let rc: Rc<[u8]> = UniqueRc::into_rc(rc); + assert_eq!(*rc, [123, 0, 0]); +} From 7e7da49f2a780917909e7aa4b5b1bb2e48900c47 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Tue, 11 Jun 2024 15:01:57 +1000 Subject: [PATCH 1362/1716] Update a cranelift patch file for formatting changes. PR #125443 will reformat all the use declarations in the repo. This would break a patch kept in `rustc_codegen_cranelift` that gets applied to `library/std/src/sys/pal/windows/rand.rs`. So this commit formats the use declarations in `library/std/src/sys/pal/windows/rand.rs` in advance of #125443 and updates the patch file accordingly. The motivation is that #125443 is a huge change and we want to get fiddly little changes like this out of the way so it can be nothing more than an `x fmt --all`. --- .../patches/0029-stdlib-rawdylib-processprng.patch | 6 +++--- library/std/src/sys/pal/windows/rand.rs | 4 ++-- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/compiler/rustc_codegen_cranelift/patches/0029-stdlib-rawdylib-processprng.patch b/compiler/rustc_codegen_cranelift/patches/0029-stdlib-rawdylib-processprng.patch index 6af11e54d88a..584dbdb647f6 100644 --- a/compiler/rustc_codegen_cranelift/patches/0029-stdlib-rawdylib-processprng.patch +++ b/compiler/rustc_codegen_cranelift/patches/0029-stdlib-rawdylib-processprng.patch @@ -12,7 +12,7 @@ diff --git a/library/std/src/sys/pal/windows/c.rs b/library/std/src/sys/pal/wind index ad8e01bfa9b..9ca8e4c16ce 100644 --- a/library/std/src/sys/pal/windows/c.rs +++ b/library/std/src/sys/pal/windows/c.rs -@@ -323,7 +323,7 @@ pub unsafe fn NtWriteFile( +@@ -312,7 +312,7 @@ pub unsafe fn NtWriteFile( // Use raw-dylib to import ProcessPrng as we can't rely on there being an import library. cfg_if::cfg_if! { @@ -26,8 +26,8 @@ index e427546222a..f2fe42a4d51 100644 --- a/library/std/src/sys/pal/windows/rand.rs +++ b/library/std/src/sys/pal/windows/rand.rs @@ -2,7 +2,7 @@ - use core::mem; - use core::ptr; + + use crate::sys::c; -#[cfg(not(target_vendor = "win7"))] +#[cfg(any())] diff --git a/library/std/src/sys/pal/windows/rand.rs b/library/std/src/sys/pal/windows/rand.rs index e427546222ae..09f527a09bf1 100644 --- a/library/std/src/sys/pal/windows/rand.rs +++ b/library/std/src/sys/pal/windows/rand.rs @@ -1,6 +1,6 @@ +use core::{mem, ptr}; + use crate::sys::c; -use core::mem; -use core::ptr; #[cfg(not(target_vendor = "win7"))] #[inline] From 3203d169d34daff975dffd20d90e3074b0b40b83 Mon Sep 17 00:00:00 2001 From: Weihang Lo Date: Tue, 11 Jun 2024 20:48:52 -0400 Subject: [PATCH 1363/1716] Update cargo --- src/tools/cargo | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/cargo b/src/tools/cargo index b1feb75d0624..4dcbca118ab7 160000 --- a/src/tools/cargo +++ b/src/tools/cargo @@ -1 +1 @@ -Subproject commit b1feb75d062444e2cee8b3d2aaa95309d65e9ccd +Subproject commit 4dcbca118ab7f9ffac4728004c983754bc6a04ff From 0fc18e3a17a4dd061189d83c4805e3aaf7c83cf0 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Thu, 6 Jun 2024 10:08:55 -0400 Subject: [PATCH 1364/1716] Remove DebugWithInfcx --- compiler/rustc_middle/src/ty/list.rs | 10 +- compiler/rustc_middle/src/ty/mod.rs | 1 - .../rustc_middle/src/ty/structural_impls.rs | 103 ++---------- compiler/rustc_type_ir/src/binder.rs | 15 +- compiler/rustc_type_ir/src/const_kind.rs | 50 +----- compiler/rustc_type_ir/src/debug.rs | 146 ------------------ compiler/rustc_type_ir/src/inherent.rs | 10 +- compiler/rustc_type_ir/src/interner.rs | 10 +- compiler/rustc_type_ir/src/lib.rs | 2 - compiler/rustc_type_ir/src/predicate.rs | 32 +--- compiler/rustc_type_ir/src/region_kind.rs | 30 +--- compiler/rustc_type_ir/src/ty_kind.rs | 107 ++++--------- ...await.b-{closure#0}.coroutine_resume.0.mir | 30 ++-- .../occurs-check/associated-type.next.stderr | 8 +- .../occurs-check/associated-type.old.stderr | 16 +- .../structually-relate-aliases.stderr | 4 +- .../issue-118950-root-region.stderr | 8 +- 17 files changed, 105 insertions(+), 477 deletions(-) delete mode 100644 compiler/rustc_type_ir/src/debug.rs diff --git a/compiler/rustc_middle/src/ty/list.rs b/compiler/rustc_middle/src/ty/list.rs index 0db541899d20..71a93cc520d5 100644 --- a/compiler/rustc_middle/src/ty/list.rs +++ b/compiler/rustc_middle/src/ty/list.rs @@ -1,5 +1,5 @@ use super::flags::FlagComputation; -use super::{DebruijnIndex, DebugWithInfcx, InferCtxtLike, TyCtxt, TypeFlags, WithInfcx}; +use super::{DebruijnIndex, TypeFlags}; use crate::arena::Arena; use rustc_data_structures::aligned::{align_of, Aligned}; use rustc_serialize::{Encodable, Encoder}; @@ -162,14 +162,6 @@ impl fmt::Debug for RawList { (**self).fmt(f) } } -impl<'tcx, H, T: DebugWithInfcx>> DebugWithInfcx> for RawList { - fn fmt>>( - this: WithInfcx<'_, Infcx, &Self>, - f: &mut core::fmt::Formatter<'_>, - ) -> core::fmt::Result { - fmt::Debug::fmt(&this.map(|this| this.as_slice()), f) - } -} impl> Encodable for RawList { #[inline] diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs index 7ff1b7998227..83f8de6b6f93 100644 --- a/compiler/rustc_middle/src/ty/mod.rs +++ b/compiler/rustc_middle/src/ty/mod.rs @@ -61,7 +61,6 @@ use rustc_span::{ExpnId, ExpnKind, Span}; use rustc_target::abi::{Align, FieldIdx, Integer, IntegerType, VariantIdx}; pub use rustc_target::abi::{ReprFlags, ReprOptions}; pub use rustc_type_ir::relate::VarianceDiagInfo; -pub use rustc_type_ir::{DebugWithInfcx, InferCtxtLike, WithInfcx}; use tracing::{debug, instrument}; pub use vtable::*; diff --git a/compiler/rustc_middle/src/ty/structural_impls.rs b/compiler/rustc_middle/src/ty/structural_impls.rs index cc6b1d57f870..71e2e3e9f994 100644 --- a/compiler/rustc_middle/src/ty/structural_impls.rs +++ b/compiler/rustc_middle/src/ty/structural_impls.rs @@ -13,7 +13,7 @@ use rustc_ast_ir::visit::VisitorResult; use rustc_hir::def::Namespace; use rustc_span::source_map::Spanned; use rustc_target::abi::TyAndLayout; -use rustc_type_ir::{ConstKind, DebugWithInfcx, InferCtxtLike, WithInfcx}; +use rustc_type_ir::ConstKind; use std::fmt::{self, Debug}; @@ -83,14 +83,6 @@ impl fmt::Debug for ty::LateParamRegion { } } -impl<'tcx> ty::DebugWithInfcx> for Ty<'tcx> { - fn fmt>>( - this: WithInfcx<'_, Infcx, &Self>, - f: &mut core::fmt::Formatter<'_>, - ) -> core::fmt::Result { - this.data.fmt(f) - } -} impl<'tcx> fmt::Debug for Ty<'tcx> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { with_no_trimmed_paths!(fmt::Debug::fmt(self.kind(), f)) @@ -121,70 +113,33 @@ impl<'tcx> fmt::Debug for ty::Clause<'tcx> { } } -impl<'tcx> DebugWithInfcx> for Pattern<'tcx> { - fn fmt>>( - this: WithInfcx<'_, Infcx, &Self>, - f: &mut core::fmt::Formatter<'_>, - ) -> core::fmt::Result { - match &**this.data { - ty::PatternKind::Range { start, end, include_end } => f - .debug_struct("Pattern::Range") - .field("start", start) - .field("end", end) - .field("include_end", include_end) - .finish(), - } - } -} - impl<'tcx> fmt::Debug for ty::consts::Expr<'tcx> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - WithInfcx::with_no_infcx(self).fmt(f) - } -} -impl<'tcx> DebugWithInfcx> for ty::consts::Expr<'tcx> { - fn fmt>>( - this: WithInfcx<'_, Infcx, &Self>, - f: &mut core::fmt::Formatter<'_>, - ) -> core::fmt::Result { - match this.data.kind { + match self.kind { ty::ExprKind::Binop(op) => { - let (lhs_ty, rhs_ty, lhs, rhs) = this.data.binop_args(); - write!( - f, - "({op:?}: ({:?}: {:?}), ({:?}: {:?}))", - &this.wrap(lhs), - &this.wrap(lhs_ty), - &this.wrap(rhs), - &this.wrap(rhs_ty), - ) + let (lhs_ty, rhs_ty, lhs, rhs) = self.binop_args(); + write!(f, "({op:?}: ({:?}: {:?}), ({:?}: {:?}))", lhs, lhs_ty, rhs, rhs_ty,) } ty::ExprKind::UnOp(op) => { - let (rhs_ty, rhs) = this.data.unop_args(); - write!(f, "({op:?}: ({:?}: {:?}))", &this.wrap(rhs), &this.wrap(rhs_ty)) + let (rhs_ty, rhs) = self.unop_args(); + write!(f, "({op:?}: ({:?}: {:?}))", rhs, rhs_ty) } ty::ExprKind::FunctionCall => { - let (func_ty, func, args) = this.data.call_args(); + let (func_ty, func, args) = self.call_args(); let args = args.collect::>(); - write!(f, "({:?}: {:?})(", &this.wrap(func), &this.wrap(func_ty))?; + write!(f, "({:?}: {:?})(", func, func_ty)?; for arg in args.iter().rev().skip(1).rev() { - write!(f, "{:?}, ", &this.wrap(arg))?; + write!(f, "{:?}, ", arg)?; } if let Some(arg) = args.last() { - write!(f, "{:?}", &this.wrap(arg))?; + write!(f, "{:?}", arg)?; } write!(f, ")") } ty::ExprKind::Cast(kind) => { - let (value_ty, value, to_ty) = this.data.cast_args(); - write!( - f, - "({kind:?}: ({:?}: {:?}), {:?})", - &this.wrap(value), - &this.wrap(value_ty), - &this.wrap(to_ty) - ) + let (value_ty, value, to_ty) = self.cast_args(); + write!(f, "({kind:?}: ({:?}: {:?}), {:?})", value, value_ty, to_ty) } } } @@ -192,20 +147,12 @@ impl<'tcx> DebugWithInfcx> for ty::consts::Expr<'tcx> { impl<'tcx> fmt::Debug for ty::Const<'tcx> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - WithInfcx::with_no_infcx(self).fmt(f) - } -} -impl<'tcx> DebugWithInfcx> for ty::Const<'tcx> { - fn fmt>>( - this: WithInfcx<'_, Infcx, &Self>, - f: &mut core::fmt::Formatter<'_>, - ) -> core::fmt::Result { // If this is a value, we spend some effort to make it look nice. - if let ConstKind::Value(_, _) = this.data.kind() { + if let ConstKind::Value(_, _) = self.kind() { return ty::tls::with(move |tcx| { // Somehow trying to lift the valtree results in lifetime errors, so we lift the // entire constant. - let lifted = tcx.lift(*this.data).unwrap(); + let lifted = tcx.lift(*self).unwrap(); let ConstKind::Value(ty, valtree) = lifted.kind() else { bug!("we checked that this is a valtree") }; @@ -215,7 +162,7 @@ impl<'tcx> DebugWithInfcx> for ty::Const<'tcx> { }); } // Fall back to something verbose. - write!(f, "{kind:?}", kind = &this.map(|data| data.kind())) + write!(f, "{:?}", self.kind()) } } @@ -247,32 +194,12 @@ impl<'tcx> fmt::Debug for GenericArg<'tcx> { } } } -impl<'tcx> DebugWithInfcx> for GenericArg<'tcx> { - fn fmt>>( - this: WithInfcx<'_, Infcx, &Self>, - f: &mut core::fmt::Formatter<'_>, - ) -> core::fmt::Result { - match this.data.unpack() { - GenericArgKind::Lifetime(lt) => write!(f, "{:?}", &this.wrap(lt)), - GenericArgKind::Const(ct) => write!(f, "{:?}", &this.wrap(ct)), - GenericArgKind::Type(ty) => write!(f, "{:?}", &this.wrap(ty)), - } - } -} impl<'tcx> fmt::Debug for Region<'tcx> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { write!(f, "{:?}", self.kind()) } } -impl<'tcx> DebugWithInfcx> for Region<'tcx> { - fn fmt>>( - this: WithInfcx<'_, Infcx, &Self>, - f: &mut core::fmt::Formatter<'_>, - ) -> core::fmt::Result { - write!(f, "{:?}", &this.map(|data| data.kind())) - } -} /////////////////////////////////////////////////////////////////////////// // Atomic structs diff --git a/compiler/rustc_type_ir/src/binder.rs b/compiler/rustc_type_ir/src/binder.rs index 9a2c9059967b..e50d59ba5f0e 100644 --- a/compiler/rustc_type_ir/src/binder.rs +++ b/compiler/rustc_type_ir/src/binder.rs @@ -8,12 +8,11 @@ use rustc_macros::{HashStable_NoContext, TyDecodable, TyEncodable}; use rustc_serialize::Decodable; use tracing::debug; -use crate::debug::{DebugWithInfcx, WithInfcx}; use crate::fold::{FallibleTypeFolder, TypeFoldable, TypeFolder, TypeSuperFoldable}; use crate::inherent::*; use crate::lift::Lift; use crate::visit::{Flags, TypeSuperVisitable, TypeVisitable, TypeVisitableExt, TypeVisitor}; -use crate::{self as ty, InferCtxtLike, Interner, SsoHashSet}; +use crate::{self as ty, Interner, SsoHashSet}; /// Binder is a binder for higher-ranked lifetimes or types. It is part of the /// compiler's representation for things like `for<'a> Fn(&'a isize)` @@ -56,18 +55,6 @@ where } } -impl> DebugWithInfcx for ty::Binder { - fn fmt>( - this: WithInfcx<'_, Infcx, &Self>, - f: &mut core::fmt::Formatter<'_>, - ) -> core::fmt::Result { - f.debug_tuple("Binder") - .field(&this.map(|data| data.as_ref().skip_binder())) - .field(&this.data.bound_vars()) - .finish() - } -} - macro_rules! impl_binder_encode_decode { ($($t:ty),+ $(,)?) => { $( diff --git a/compiler/rustc_type_ir/src/const_kind.rs b/compiler/rustc_type_ir/src/const_kind.rs index 84d48e14c241..f1683f5449f5 100644 --- a/compiler/rustc_type_ir/src/const_kind.rs +++ b/compiler/rustc_type_ir/src/const_kind.rs @@ -5,7 +5,7 @@ use rustc_macros::{HashStable_NoContext, TyDecodable, TyEncodable}; use rustc_type_ir_macros::{Lift_Generic, TypeFoldable_Generic, TypeVisitable_Generic}; use std::fmt; -use crate::{self as ty, DebruijnIndex, DebugWithInfcx, InferCtxtLike, Interner, WithInfcx}; +use crate::{self as ty, DebruijnIndex, Interner}; use self::ConstKind::*; @@ -61,28 +61,19 @@ impl PartialEq for ConstKind { impl fmt::Debug for ConstKind { fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { - WithInfcx::with_no_infcx(self).fmt(f) - } -} - -impl DebugWithInfcx for ConstKind { - fn fmt>( - this: WithInfcx<'_, Infcx, &Self>, - f: &mut core::fmt::Formatter<'_>, - ) -> core::fmt::Result { use ConstKind::*; - match this.data { + match self { Param(param) => write!(f, "{param:?}"), - Infer(var) => write!(f, "{:?}", &this.wrap(var)), + Infer(var) => write!(f, "{:?}", &var), Bound(debruijn, var) => crate::debug_bound_var(f, *debruijn, var), Placeholder(placeholder) => write!(f, "{placeholder:?}"), Unevaluated(uv) => { - write!(f, "{:?}", &this.wrap(uv)) + write!(f, "{:?}", &uv) } - Value(ty, valtree) => write!(f, "({valtree:?}: {:?})", &this.wrap(ty)), + Value(ty, valtree) => write!(f, "({valtree:?}: {:?})", &ty), Error(_) => write!(f, "{{const error}}"), - Expr(expr) => write!(f, "{:?}", &this.wrap(expr)), + Expr(expr) => write!(f, "{:?}", &expr), } } } @@ -112,17 +103,9 @@ impl UnevaluatedConst { impl fmt::Debug for UnevaluatedConst { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - WithInfcx::with_no_infcx(self).fmt(f) - } -} -impl DebugWithInfcx for UnevaluatedConst { - fn fmt>( - this: WithInfcx<'_, Infcx, &Self>, - f: &mut core::fmt::Formatter<'_>, - ) -> core::fmt::Result { f.debug_struct("UnevaluatedConst") - .field("def", &this.data.def) - .field("args", &this.wrap(this.data.args)) + .field("def", &self.def) + .field("args", &self.args) .finish() } } @@ -175,23 +158,6 @@ impl fmt::Debug for InferConst { } } } -impl DebugWithInfcx for InferConst { - fn fmt>( - this: WithInfcx<'_, Infcx, &Self>, - f: &mut core::fmt::Formatter<'_>, - ) -> core::fmt::Result { - match *this.data { - InferConst::Var(vid) => match this.infcx.universe_of_ct(vid) { - None => write!(f, "{:?}", this.data), - Some(universe) => write!(f, "?{}_{}c", vid.index(), universe.index()), - }, - InferConst::EffectVar(vid) => write!(f, "?{}e", vid.index()), - InferConst::Fresh(_) => { - unreachable!() - } - } - } -} #[cfg(feature = "nightly")] impl HashStable for InferConst { diff --git a/compiler/rustc_type_ir/src/debug.rs b/compiler/rustc_type_ir/src/debug.rs deleted file mode 100644 index c206f3ccdb5b..000000000000 --- a/compiler/rustc_type_ir/src/debug.rs +++ /dev/null @@ -1,146 +0,0 @@ -use crate::{ - ConstVid, EffectVid, FloatVid, InferCtxtLike, IntVid, Interner, RegionVid, TyVid, UniverseIndex, -}; - -use core::fmt; -use std::marker::PhantomData; - -pub struct NoInfcx(PhantomData); - -impl InferCtxtLike for NoInfcx { - type Interner = I; - - fn interner(&self) -> Self::Interner { - unreachable!() - } - - fn universe_of_ty(&self, _ty: TyVid) -> Option { - None - } - - fn universe_of_lt(&self, _lt: RegionVid) -> Option { - None - } - - fn universe_of_ct(&self, _ct: ConstVid) -> Option { - None - } - - fn opportunistic_resolve_ty_var(&self, vid: TyVid) -> I::Ty { - panic!("cannot resolve {vid:?}") - } - - fn opportunistic_resolve_int_var(&self, vid: IntVid) -> I::Ty { - panic!("cannot resolve {vid:?}") - } - - fn opportunistic_resolve_float_var(&self, vid: FloatVid) -> I::Ty { - panic!("cannot resolve {vid:?}") - } - - fn opportunistic_resolve_ct_var(&self, vid: ConstVid) -> I::Const { - panic!("cannot resolve {vid:?}") - } - - fn opportunistic_resolve_effect_var(&self, vid: EffectVid) -> I::Const { - panic!("cannot resolve {vid:?}") - } - - fn opportunistic_resolve_lt_var(&self, vid: crate::RegionVid) -> I::Region { - panic!("cannot resolve {vid:?}") - } - - fn defining_opaque_types(&self) -> I::DefiningOpaqueTypes { - Default::default() - } -} - -pub trait DebugWithInfcx: fmt::Debug { - fn fmt>( - this: WithInfcx<'_, Infcx, &Self>, - f: &mut fmt::Formatter<'_>, - ) -> fmt::Result; -} - -impl + ?Sized> DebugWithInfcx for &'_ T { - fn fmt>( - this: WithInfcx<'_, Infcx, &Self>, - f: &mut fmt::Formatter<'_>, - ) -> fmt::Result { - >::fmt(this.map(|&data| data), f) - } -} - -impl> DebugWithInfcx for [T] { - fn fmt>( - this: WithInfcx<'_, Infcx, &Self>, - f: &mut fmt::Formatter<'_>, - ) -> fmt::Result { - match f.alternate() { - true => { - write!(f, "[\n")?; - for element in this.data.iter() { - write!(f, "{:?},\n", &this.wrap(element))?; - } - write!(f, "]") - } - false => { - write!(f, "[")?; - if this.data.len() > 0 { - for element in &this.data[..(this.data.len() - 1)] { - write!(f, "{:?}, ", &this.wrap(element))?; - } - if let Some(element) = this.data.last() { - write!(f, "{:?}", &this.wrap(element))?; - } - } - write!(f, "]") - } - } - } -} - -pub struct WithInfcx<'a, Infcx: InferCtxtLike, T> { - pub data: T, - pub infcx: &'a Infcx, -} - -impl Copy for WithInfcx<'_, Infcx, T> {} - -impl Clone for WithInfcx<'_, Infcx, T> { - fn clone(&self) -> Self { - Self { data: self.data.clone(), infcx: self.infcx } - } -} - -impl<'a, I: Interner, T> WithInfcx<'a, NoInfcx, T> { - pub fn with_no_infcx(data: T) -> Self { - Self { data, infcx: &NoInfcx(PhantomData) } - } -} - -impl<'a, Infcx: InferCtxtLike, T> WithInfcx<'a, Infcx, T> { - pub fn new(data: T, infcx: &'a Infcx) -> Self { - Self { data, infcx } - } - - pub fn wrap(self, u: U) -> WithInfcx<'a, Infcx, U> { - WithInfcx { data: u, infcx: self.infcx } - } - - pub fn map(self, f: impl FnOnce(T) -> U) -> WithInfcx<'a, Infcx, U> { - WithInfcx { data: f(self.data), infcx: self.infcx } - } - - pub fn as_ref(&self) -> WithInfcx<'a, Infcx, &T> { - WithInfcx { data: &self.data, infcx: self.infcx } - } -} - -impl> fmt::Debug - for WithInfcx<'_, Infcx, T> -{ - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - DebugWithInfcx::fmt(self.as_ref(), f) - } -} diff --git a/compiler/rustc_type_ir/src/inherent.rs b/compiler/rustc_type_ir/src/inherent.rs index 205a1e5f100e..2fc765f1c8fa 100644 --- a/compiler/rustc_type_ir/src/inherent.rs +++ b/compiler/rustc_type_ir/src/inherent.rs @@ -12,11 +12,11 @@ use rustc_ast_ir::Mutability; use crate::fold::{TypeFoldable, TypeSuperFoldable}; use crate::relate::Relate; use crate::visit::{Flags, TypeSuperVisitable, TypeVisitable}; -use crate::{self as ty, CollectAndApply, DebugWithInfcx, Interner, UpcastFrom}; +use crate::{self as ty, CollectAndApply, Interner, UpcastFrom}; pub trait Ty>: Copy - + DebugWithInfcx + + Debug + Hash + Eq + Into @@ -116,7 +116,7 @@ pub trait Safety>: Copy + Debug + Hash + Eq + TypeVis pub trait Region>: Copy - + DebugWithInfcx + + Debug + Hash + Eq + Into @@ -134,7 +134,7 @@ pub trait Region>: pub trait Const>: Copy - + DebugWithInfcx + + Debug + Hash + Eq + Into @@ -166,7 +166,7 @@ pub trait GenericsOf> { pub trait GenericArgs>: Copy - + DebugWithInfcx + + Debug + Hash + Eq + IntoIterator diff --git a/compiler/rustc_type_ir/src/interner.rs b/compiler/rustc_type_ir/src/interner.rs index ad1d2753b282..b7f412ecb8ea 100644 --- a/compiler/rustc_type_ir/src/interner.rs +++ b/compiler/rustc_type_ir/src/interner.rs @@ -9,7 +9,7 @@ use crate::ir_print::IrPrint; use crate::relate::Relate; use crate::solve::inspect::CanonicalGoalEvaluationStep; use crate::visit::{Flags, TypeSuperVisitable, TypeVisitable}; -use crate::{self as ty, DebugWithInfcx}; +use crate::{self as ty}; pub trait Interner: Sized @@ -32,7 +32,7 @@ pub trait Interner: type GenericArgs: GenericArgs; type GenericArgsSlice: Copy + Debug + Hash + Eq + Deref; type GenericArg: Copy - + DebugWithInfcx + + Debug + Hash + Eq + IntoKind> @@ -74,9 +74,9 @@ pub trait Interner: // Things stored inside of tys type ErrorGuaranteed: Copy + Debug + Hash + Eq; - type BoundExistentialPredicates: Copy + DebugWithInfcx + Hash + Eq + Relate; + type BoundExistentialPredicates: Copy + Debug + Hash + Eq + Relate; type AllocId: Copy + Debug + Hash + Eq; - type Pat: Copy + Debug + Hash + Eq + DebugWithInfcx + Relate; + type Pat: Copy + Debug + Hash + Eq + Debug + Relate; type Safety: Safety + TypeFoldable + Relate; type Abi: Abi + TypeFoldable + Relate; @@ -86,7 +86,7 @@ pub trait Interner: type ParamConst: Copy + Debug + Hash + Eq + ParamLike; type BoundConst: Copy + Debug + Hash + Eq + BoundVarLike; type ValueConst: Copy + Debug + Hash + Eq; - type ExprConst: Copy + DebugWithInfcx + Hash + Eq + Relate; + type ExprConst: Copy + Debug + Hash + Eq + Relate; // Kinds of regions type Region: Region; diff --git a/compiler/rustc_type_ir/src/lib.rs b/compiler/rustc_type_ir/src/lib.rs index 737164689303..caf1afb5246e 100644 --- a/compiler/rustc_type_ir/src/lib.rs +++ b/compiler/rustc_type_ir/src/lib.rs @@ -40,7 +40,6 @@ mod macros; mod binder; mod canonical; mod const_kind; -mod debug; mod flags; mod generic_arg; mod infcx; @@ -57,7 +56,6 @@ pub use canonical::*; #[cfg(feature = "nightly")] pub use codec::*; pub use const_kind::*; -pub use debug::{DebugWithInfcx, WithInfcx}; pub use flags::*; pub use generic_arg::*; pub use infcx::InferCtxtLike; diff --git a/compiler/rustc_type_ir/src/predicate.rs b/compiler/rustc_type_ir/src/predicate.rs index 63a4c2e9d1f7..c0713dc50d26 100644 --- a/compiler/rustc_type_ir/src/predicate.rs +++ b/compiler/rustc_type_ir/src/predicate.rs @@ -9,7 +9,7 @@ use crate::inherent::*; use crate::lift::Lift; use crate::upcast::Upcast; use crate::visit::TypeVisitableExt as _; -use crate::{self as ty, DebugWithInfcx, InferCtxtLike, Interner, WithInfcx}; +use crate::{self as ty, Interner}; /// `A: 'region` #[derive(derivative::Derivative)] @@ -248,16 +248,6 @@ pub enum ExistentialPredicate { AutoTrait(I::DefId), } -// FIXME: Implement this the right way after -impl DebugWithInfcx for ExistentialPredicate { - fn fmt>( - this: rustc_type_ir::WithInfcx<'_, Infcx, &Self>, - f: &mut fmt::Formatter<'_>, - ) -> fmt::Result { - fmt::Debug::fmt(&this.data, f) - } -} - impl ty::Binder> { /// Given an existential predicate like `?Self: PartialEq` (e.g., derived from `dyn PartialEq`), /// and a concrete type `self_ty`, returns a full predicate where the existentially quantified variable `?Self` @@ -459,7 +449,8 @@ impl AliasTermKind { Copy(bound = ""), Hash(bound = ""), PartialEq(bound = ""), - Eq(bound = "") + Eq(bound = ""), + Debug(bound = "") )] #[derive(TypeVisitable_Generic, TypeFoldable_Generic, Lift_Generic)] #[cfg_attr(feature = "nightly", derive(TyDecodable, TyEncodable, HashStable_NoContext))] @@ -493,23 +484,6 @@ pub struct AliasTerm { _use_alias_term_new_instead: (), } -impl std::fmt::Debug for AliasTerm { - fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { - WithInfcx::with_no_infcx(self).fmt(f) - } -} -impl DebugWithInfcx for AliasTerm { - fn fmt>( - this: WithInfcx<'_, Infcx, &Self>, - f: &mut std::fmt::Formatter<'_>, - ) -> std::fmt::Result { - f.debug_struct("AliasTerm") - .field("args", &this.map(|data| data.args)) - .field("def_id", &this.data.def_id) - .finish() - } -} - impl AliasTerm { pub fn new( interner: I, diff --git a/compiler/rustc_type_ir/src/region_kind.rs b/compiler/rustc_type_ir/src/region_kind.rs index 48ade2732894..37c9532ad894 100644 --- a/compiler/rustc_type_ir/src/region_kind.rs +++ b/compiler/rustc_type_ir/src/region_kind.rs @@ -4,7 +4,7 @@ use rustc_data_structures::stable_hasher::{HashStable, StableHasher}; use rustc_macros::{HashStable_NoContext, TyDecodable, TyEncodable}; use std::fmt; -use crate::{DebruijnIndex, DebugWithInfcx, InferCtxtLike, Interner, WithInfcx}; +use crate::{DebruijnIndex, Interner}; use self::RegionKind::*; @@ -18,18 +18,6 @@ rustc_index::newtype_index! { pub struct RegionVid {} } -impl DebugWithInfcx for RegionVid { - fn fmt>( - this: WithInfcx<'_, Infcx, &Self>, - f: &mut core::fmt::Formatter<'_>, - ) -> core::fmt::Result { - match this.infcx.universe_of_lt(*this.data) { - Some(universe) => write!(f, "'?{}_{}", this.data.index(), universe.index()), - None => write!(f, "{:?}", this.data), - } - } -} - /// Representation of regions. Note that the NLL checker uses a distinct /// representation of regions. For this reason, it internally replaces all the /// regions with inference variables -- the index of the variable is then used @@ -230,12 +218,9 @@ impl PartialEq for RegionKind { } } -impl DebugWithInfcx for RegionKind { - fn fmt>( - this: WithInfcx<'_, Infcx, &Self>, - f: &mut core::fmt::Formatter<'_>, - ) -> core::fmt::Result { - match this.data { +impl fmt::Debug for RegionKind { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + match self { ReEarlyParam(data) => write!(f, "{data:?}"), ReBound(binder_id, bound_region) => { @@ -247,7 +232,7 @@ impl DebugWithInfcx for RegionKind { ReStatic => f.write_str("'static"), - ReVar(vid) => write!(f, "{:?}", &this.wrap(vid)), + ReVar(vid) => write!(f, "{:?}", &vid), RePlaceholder(placeholder) => write!(f, "{placeholder:?}"), @@ -260,11 +245,6 @@ impl DebugWithInfcx for RegionKind { } } } -impl fmt::Debug for RegionKind { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - WithInfcx::with_no_infcx(self).fmt(f) - } -} #[cfg(feature = "nightly")] // This is not a derived impl because a derive would require `I: HashStable` diff --git a/compiler/rustc_type_ir/src/ty_kind.rs b/compiler/rustc_type_ir/src/ty_kind.rs index 71f3862226d8..8b4ad2f5ed0f 100644 --- a/compiler/rustc_type_ir/src/ty_kind.rs +++ b/compiler/rustc_type_ir/src/ty_kind.rs @@ -10,7 +10,7 @@ use std::fmt; pub use self::closure::*; use self::TyKind::*; use crate::inherent::*; -use crate::{self as ty, DebruijnIndex, DebugWithInfcx, InferCtxtLike, Interner, WithInfcx}; +use crate::{self as ty, DebruijnIndex, Interner}; use rustc_ast_ir::Mutability; @@ -341,12 +341,10 @@ impl PartialEq for TyKind { } } -impl DebugWithInfcx for TyKind { - fn fmt>( - this: WithInfcx<'_, Infcx, &Self>, - f: &mut fmt::Formatter<'_>, - ) -> fmt::Result { - match this.data { +// This is manually implemented because a derive would require `I: Debug` +impl fmt::Debug for TyKind { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + match self { Bool => write!(f, "bool"), Char => write!(f, "char"), Int(i) => write!(f, "{i:?}"), @@ -369,27 +367,23 @@ impl DebugWithInfcx for TyKind { } Foreign(d) => f.debug_tuple("Foreign").field(d).finish(), Str => write!(f, "str"), - Array(t, c) => write!(f, "[{:?}; {:?}]", &this.wrap(t), &this.wrap(c)), - Pat(t, p) => write!(f, "pattern_type!({:?} is {:?})", &this.wrap(t), &this.wrap(p)), - Slice(t) => write!(f, "[{:?}]", &this.wrap(t)), - RawPtr(ty, mutbl) => write!(f, "*{} {:?}", mutbl.ptr_str(), this.wrap(ty)), - Ref(r, t, m) => write!(f, "&{:?} {}{:?}", this.wrap(r), m.prefix_str(), this.wrap(t)), - FnDef(d, s) => f.debug_tuple("FnDef").field(d).field(&this.wrap(s)).finish(), - FnPtr(s) => write!(f, "{:?}", &this.wrap(s)), + Array(t, c) => write!(f, "[{:?}; {:?}]", &t, &c), + Pat(t, p) => write!(f, "pattern_type!({:?} is {:?})", &t, &p), + Slice(t) => write!(f, "[{:?}]", &t), + RawPtr(ty, mutbl) => write!(f, "*{} {:?}", mutbl.ptr_str(), ty), + Ref(r, t, m) => write!(f, "&{:?} {}{:?}", r, m.prefix_str(), t), + FnDef(d, s) => f.debug_tuple("FnDef").field(d).field(&s).finish(), + FnPtr(s) => write!(f, "{:?}", &s), Dynamic(p, r, repr) => match repr { - DynKind::Dyn => write!(f, "dyn {:?} + {:?}", &this.wrap(p), &this.wrap(r)), + DynKind::Dyn => write!(f, "dyn {:?} + {:?}", &p, &r), DynKind::DynStar => { - write!(f, "dyn* {:?} + {:?}", &this.wrap(p), &this.wrap(r)) + write!(f, "dyn* {:?} + {:?}", &p, &r) } }, - Closure(d, s) => f.debug_tuple("Closure").field(d).field(&this.wrap(s)).finish(), - CoroutineClosure(d, s) => { - f.debug_tuple("CoroutineClosure").field(d).field(&this.wrap(s)).finish() - } - Coroutine(d, s) => f.debug_tuple("Coroutine").field(d).field(&this.wrap(s)).finish(), - CoroutineWitness(d, s) => { - f.debug_tuple("CoroutineWitness").field(d).field(&this.wrap(s)).finish() - } + Closure(d, s) => f.debug_tuple("Closure").field(d).field(&s).finish(), + CoroutineClosure(d, s) => f.debug_tuple("CoroutineClosure").field(d).field(&s).finish(), + Coroutine(d, s) => f.debug_tuple("Coroutine").field(d).field(&s).finish(), + CoroutineWitness(d, s) => f.debug_tuple("CoroutineWitness").field(d).field(&s).finish(), Never => write!(f, "!"), Tuple(t) => { write!(f, "(")?; @@ -398,7 +392,7 @@ impl DebugWithInfcx for TyKind { if count > 0 { write!(f, ", ")?; } - write!(f, "{:?}", &this.wrap(ty))?; + write!(f, "{:?}", &ty)?; count += 1; } // unary tuples need a trailing comma @@ -407,23 +401,16 @@ impl DebugWithInfcx for TyKind { } write!(f, ")") } - Alias(i, a) => f.debug_tuple("Alias").field(i).field(&this.wrap(a)).finish(), + Alias(i, a) => f.debug_tuple("Alias").field(i).field(&a).finish(), Param(p) => write!(f, "{p:?}"), Bound(d, b) => crate::debug_bound_var(f, *d, b), Placeholder(p) => write!(f, "{p:?}"), - Infer(t) => write!(f, "{:?}", this.wrap(t)), + Infer(t) => write!(f, "{:?}", t), TyKind::Error(_) => write!(f, "{{type error}}"), } } } -// This is manually implemented because a derive would require `I: Debug` -impl fmt::Debug for TyKind { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - WithInfcx::with_no_infcx(self).fmt(f) - } -} - /// Represents the projection of an associated, opaque, or lazy-type-alias type. /// /// * For a projection, this would be `>::N<...>`. @@ -435,7 +422,8 @@ impl fmt::Debug for TyKind { Copy(bound = ""), Hash(bound = ""), PartialEq(bound = ""), - Eq(bound = "") + Eq(bound = ""), + Debug(bound = "") )] #[derive(TypeVisitable_Generic, TypeFoldable_Generic, Lift_Generic)] #[cfg_attr(feature = "nightly", derive(TyDecodable, TyEncodable, HashStable_NoContext))] @@ -555,23 +543,6 @@ impl AliasTy { } } -impl fmt::Debug for AliasTy { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - WithInfcx::with_no_infcx(self).fmt(f) - } -} -impl DebugWithInfcx for AliasTy { - fn fmt>( - this: WithInfcx<'_, Infcx, &Self>, - f: &mut fmt::Formatter<'_>, - ) -> fmt::Result { - f.debug_struct("AliasTy") - .field("args", &this.map(|data| data.args)) - .field("def_id", &this.data.def_id) - .finish() - } -} - #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)] #[cfg_attr(feature = "nightly", derive(Encodable, Decodable, HashStable_NoContext))] pub enum IntTy { @@ -968,24 +939,6 @@ impl fmt::Debug for InferTy { } } -impl DebugWithInfcx for InferTy { - fn fmt>( - this: WithInfcx<'_, Infcx, &Self>, - f: &mut fmt::Formatter<'_>, - ) -> fmt::Result { - match this.data { - InferTy::TyVar(vid) => { - if let Some(universe) = this.infcx.universe_of_ty(*vid) { - write!(f, "?{}_{}t", vid.index(), universe.index()) - } else { - write!(f, "{:?}", this.data) - } - } - _ => write!(f, "{:?}", this.data), - } - } -} - #[derive(derivative::Derivative)] #[derivative( Clone(bound = ""), @@ -1078,15 +1031,7 @@ impl ty::Binder> { impl fmt::Debug for FnSig { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - WithInfcx::with_no_infcx(self).fmt(f) - } -} -impl DebugWithInfcx for FnSig { - fn fmt>( - this: WithInfcx<'_, Infcx, &Self>, - f: &mut fmt::Formatter<'_>, - ) -> fmt::Result { - let sig = this.data; + let sig = self; let FnSig { inputs_and_output: _, c_variadic, safety, abi } = sig; write!(f, "{}", safety.prefix_str())?; @@ -1100,7 +1045,7 @@ impl DebugWithInfcx for FnSig { if i > 0 { write!(f, ", ")?; } - write!(f, "{:?}", &this.wrap(ty))?; + write!(f, "{:?}", &ty)?; } if *c_variadic { if inputs.is_empty() { @@ -1113,7 +1058,7 @@ impl DebugWithInfcx for FnSig { match output.kind() { Tuple(list) if list.is_empty() => Ok(()), - _ => write!(f, " -> {:?}", &this.wrap(sig.output())), + _ => write!(f, " -> {:?}", sig.output()), } } } diff --git a/tests/mir-opt/building/async_await.b-{closure#0}.coroutine_resume.0.mir b/tests/mir-opt/building/async_await.b-{closure#0}.coroutine_resume.0.mir index d2a0fb0cb3c3..c0f16ee7ec0b 100644 --- a/tests/mir-opt/building/async_await.b-{closure#0}.coroutine_resume.0.mir +++ b/tests/mir-opt/building/async_await.b-{closure#0}.coroutine_resume.0.mir @@ -5,12 +5,15 @@ ty: Coroutine( DefId(0:4 ~ async_await[ccf8]::a::{closure#0}), [ - (), - std::future::ResumeTy, - (), - (), - CoroutineWitness(DefId(0:4 ~ async_await[ccf8]::a::{closure#0}), []), - (), + (), + std::future::ResumeTy, + (), + (), + CoroutineWitness( + DefId(0:4 ~ async_await[ccf8]::a::{closure#0}), + [], + ), + (), ], ), source_info: SourceInfo { @@ -23,12 +26,15 @@ ty: Coroutine( DefId(0:4 ~ async_await[ccf8]::a::{closure#0}), [ - (), - std::future::ResumeTy, - (), - (), - CoroutineWitness(DefId(0:4 ~ async_await[ccf8]::a::{closure#0}), []), - (), + (), + std::future::ResumeTy, + (), + (), + CoroutineWitness( + DefId(0:4 ~ async_await[ccf8]::a::{closure#0}), + [], + ), + (), ], ), source_info: SourceInfo { diff --git a/tests/ui/coherence/occurs-check/associated-type.next.stderr b/tests/ui/coherence/occurs-check/associated-type.next.stderr index d809a6948f3e..f32bb1301da5 100644 --- a/tests/ui/coherence/occurs-check/associated-type.next.stderr +++ b/tests/ui/coherence/occurs-check/associated-type.next.stderr @@ -1,7 +1,7 @@ - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), _use_alias_ty_new_instead: () } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), _use_alias_ty_new_instead: () } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), _use_alias_ty_new_instead: () } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), _use_alias_ty_new_instead: () } error[E0119]: conflicting implementations of trait `Overlap fn(&'a (), ())>` for type `for<'a> fn(&'a (), ())` --> $DIR/associated-type.rs:31:1 | diff --git a/tests/ui/coherence/occurs-check/associated-type.old.stderr b/tests/ui/coherence/occurs-check/associated-type.old.stderr index 329086ab7dfd..d26f7665ee73 100644 --- a/tests/ui/coherence/occurs-check/associated-type.old.stderr +++ b/tests/ui/coherence/occurs-check/associated-type.old.stderr @@ -1,11 +1,11 @@ - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, !2_0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, !2_0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, !2_0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, !2_0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), _use_alias_ty_new_instead: () } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, !2_0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), _use_alias_ty_new_instead: () } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), _use_alias_ty_new_instead: () } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, !2_0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), _use_alias_ty_new_instead: () } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), _use_alias_ty_new_instead: () } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, !2_0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), _use_alias_ty_new_instead: () } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), _use_alias_ty_new_instead: () } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, !2_0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), _use_alias_ty_new_instead: () } error[E0119]: conflicting implementations of trait `Overlap fn(&'a (), _)>` for type `for<'a> fn(&'a (), _)` --> $DIR/associated-type.rs:31:1 | diff --git a/tests/ui/higher-ranked/structually-relate-aliases.stderr b/tests/ui/higher-ranked/structually-relate-aliases.stderr index 2f1dfd19c483..e1cffa0fc376 100644 --- a/tests/ui/higher-ranked/structually-relate-aliases.stderr +++ b/tests/ui/higher-ranked/structually-relate-aliases.stderr @@ -1,5 +1,5 @@ - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [?1t, '^0.Named(DefId(0:15 ~ structually_relate_aliases[de75]::{impl#1}::'a), "'a")], def_id: DefId(0:5 ~ structually_relate_aliases[de75]::ToUnit::Unit) } - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [?1t, !2_0.Named(DefId(0:15 ~ structually_relate_aliases[de75]::{impl#1}::'a), "'a")], def_id: DefId(0:5 ~ structually_relate_aliases[de75]::ToUnit::Unit) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [?1t, '^0.Named(DefId(0:15 ~ structually_relate_aliases[de75]::{impl#1}::'a), "'a")], def_id: DefId(0:5 ~ structually_relate_aliases[de75]::ToUnit::Unit), _use_alias_ty_new_instead: () } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [?1t, !2_0.Named(DefId(0:15 ~ structually_relate_aliases[de75]::{impl#1}::'a), "'a")], def_id: DefId(0:5 ~ structually_relate_aliases[de75]::ToUnit::Unit), _use_alias_ty_new_instead: () } error[E0277]: the trait bound `for<'a> T: ToUnit<'a>` is not satisfied --> $DIR/structually-relate-aliases.rs:13:36 | diff --git a/tests/ui/traits/next-solver/issue-118950-root-region.stderr b/tests/ui/traits/next-solver/issue-118950-root-region.stderr index 17da1f524796..04c44276195d 100644 --- a/tests/ui/traits/next-solver/issue-118950-root-region.stderr +++ b/tests/ui/traits/next-solver/issue-118950-root-region.stderr @@ -25,10 +25,10 @@ help: this trait has no implementations, consider adding one LL | trait ToUnit<'a> { | ^^^^^^^^^^^^^^^^ - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: ['^0.Named(DefId(0:15 ~ issue_118950_root_region[d54f]::{impl#1}::'a), "'a"), ?1t], def_id: DefId(0:8 ~ issue_118950_root_region[d54f]::Assoc) } - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: ['^0.Named(DefId(0:15 ~ issue_118950_root_region[d54f]::{impl#1}::'a), "'a"), ?1t], def_id: DefId(0:8 ~ issue_118950_root_region[d54f]::Assoc) } - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: ['^0.Named(DefId(0:15 ~ issue_118950_root_region[d54f]::{impl#1}::'a), "'a"), ?1t], def_id: DefId(0:8 ~ issue_118950_root_region[d54f]::Assoc) } - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: ['^0.Named(DefId(0:15 ~ issue_118950_root_region[d54f]::{impl#1}::'a), "'a"), ?1t], def_id: DefId(0:8 ~ issue_118950_root_region[d54f]::Assoc) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: ['^0.Named(DefId(0:15 ~ issue_118950_root_region[d54f]::{impl#1}::'a), "'a"), ?1t], def_id: DefId(0:8 ~ issue_118950_root_region[d54f]::Assoc), _use_alias_ty_new_instead: () } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: ['^0.Named(DefId(0:15 ~ issue_118950_root_region[d54f]::{impl#1}::'a), "'a"), ?1t], def_id: DefId(0:8 ~ issue_118950_root_region[d54f]::Assoc), _use_alias_ty_new_instead: () } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: ['^0.Named(DefId(0:15 ~ issue_118950_root_region[d54f]::{impl#1}::'a), "'a"), ?1t], def_id: DefId(0:8 ~ issue_118950_root_region[d54f]::Assoc), _use_alias_ty_new_instead: () } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: ['^0.Named(DefId(0:15 ~ issue_118950_root_region[d54f]::{impl#1}::'a), "'a"), ?1t], def_id: DefId(0:8 ~ issue_118950_root_region[d54f]::Assoc), _use_alias_ty_new_instead: () } error[E0119]: conflicting implementations of trait `Overlap` for type `fn(_)` --> $DIR/issue-118950-root-region.rs:19:1 | From 5d8f40a63afe3999df61c2487555a540b6ff30ea Mon Sep 17 00:00:00 2001 From: Lin Yihai Date: Tue, 11 Jun 2024 17:31:06 +0800 Subject: [PATCH 1365/1716] No uninitalized report in a pre-returned match arm --- .../src/diagnostics/conflict_errors.rs | 21 ++++++++++++++---- .../uninitalized-in-match-arm-issue-126133.rs | 22 +++++++++++++++++++ ...nitalized-in-match-arm-issue-126133.stderr | 15 +++++++++++++ 3 files changed, 54 insertions(+), 4 deletions(-) create mode 100644 tests/ui/borrowck/uninitalized-in-match-arm-issue-126133.rs create mode 100644 tests/ui/borrowck/uninitalized-in-match-arm-issue-126133.stderr diff --git a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs index 821a90366547..f32ff57fe88b 100644 --- a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs @@ -557,8 +557,8 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { // for the branching codepaths that aren't covered, to point at them. let map = self.infcx.tcx.hir(); let body = map.body_owned_by(self.mir_def_id()); - - let mut visitor = ConditionVisitor { spans: &spans, name: &name, errors: vec![] }; + let mut visitor = + ConditionVisitor { tcx: self.infcx.tcx, spans: &spans, name: &name, errors: vec![] }; visitor.visit_body(&body); let mut show_assign_sugg = false; @@ -4372,13 +4372,14 @@ impl<'hir> Visitor<'hir> for BreakFinder { /// Given a set of spans representing statements initializing the relevant binding, visit all the /// function expressions looking for branching code paths that *do not* initialize the binding. -struct ConditionVisitor<'b> { +struct ConditionVisitor<'b, 'tcx> { + tcx: TyCtxt<'tcx>, spans: &'b [Span], name: &'b str, errors: Vec<(Span, String)>, } -impl<'b, 'v> Visitor<'v> for ConditionVisitor<'b> { +impl<'b, 'v, 'tcx> Visitor<'v> for ConditionVisitor<'b, 'tcx> { fn visit_expr(&mut self, ex: &'v hir::Expr<'v>) { match ex.kind { hir::ExprKind::If(cond, body, None) => { @@ -4464,6 +4465,12 @@ impl<'b, 'v> Visitor<'v> for ConditionVisitor<'b> { ), )); } else if let Some(guard) = &arm.guard { + if matches!( + self.tcx.hir_node(arm.body.hir_id), + hir::Node::Expr(hir::Expr { kind: hir::ExprKind::Ret(_), .. }) + ) { + continue; + } self.errors.push(( arm.pat.span.to(guard.span), format!( @@ -4473,6 +4480,12 @@ impl<'b, 'v> Visitor<'v> for ConditionVisitor<'b> { ), )); } else { + if matches!( + self.tcx.hir_node(arm.body.hir_id), + hir::Node::Expr(hir::Expr { kind: hir::ExprKind::Ret(_), .. }) + ) { + continue; + } self.errors.push(( arm.pat.span, format!( diff --git a/tests/ui/borrowck/uninitalized-in-match-arm-issue-126133.rs b/tests/ui/borrowck/uninitalized-in-match-arm-issue-126133.rs new file mode 100644 index 000000000000..1974bbf9fe7b --- /dev/null +++ b/tests/ui/borrowck/uninitalized-in-match-arm-issue-126133.rs @@ -0,0 +1,22 @@ +enum E { + A, + B, + C, +} + +fn foo(e: E) { + let bar; + + match e { + E::A if true => return, + E::A => return, + E::B => {} + E::C => { + bar = 5; + } + } + + let _baz = bar; //~ ERROR E0381 +} + +fn main() {} diff --git a/tests/ui/borrowck/uninitalized-in-match-arm-issue-126133.stderr b/tests/ui/borrowck/uninitalized-in-match-arm-issue-126133.stderr new file mode 100644 index 000000000000..eb7d0f8b2047 --- /dev/null +++ b/tests/ui/borrowck/uninitalized-in-match-arm-issue-126133.stderr @@ -0,0 +1,15 @@ +error[E0381]: used binding `bar` is possibly-uninitialized + --> $DIR/uninitalized-in-match-arm-issue-126133.rs:19:16 + | +LL | let bar; + | --- binding declared here but left uninitialized +... +LL | E::B => {} + | ---- if this pattern is matched, `bar` is not initialized +... +LL | let _baz = bar; + | ^^^ `bar` used here but it is possibly-uninitialized + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0381`. From 0b3fec9388d358b0b48d1ea2f83ff43468402f23 Mon Sep 17 00:00:00 2001 From: surechen Date: Sun, 9 Jun 2024 17:20:25 +0800 Subject: [PATCH 1366/1716] For E0277 suggest adding `Result` return type for function which using QuesionMark `?` in the body. --- compiler/rustc_hir/src/hir.rs | 1 + .../src/traits/error_reporting/suggestions.rs | 41 +++++++++ .../error_reporting/type_err_ctxt_ext.rs | 4 + ...turn-from-residual-sugg-issue-125997.fixed | 42 +++++++++ .../return-from-residual-sugg-issue-125997.rs | 34 ++++++++ ...urn-from-residual-sugg-issue-125997.stderr | 86 +++++++++++++++++++ .../ui/try-trait/try-operator-on-main.stderr | 10 +++ 7 files changed, 218 insertions(+) create mode 100644 tests/ui/return/return-from-residual-sugg-issue-125997.fixed create mode 100644 tests/ui/return/return-from-residual-sugg-issue-125997.rs create mode 100644 tests/ui/return/return-from-residual-sugg-issue-125997.stderr diff --git a/compiler/rustc_hir/src/hir.rs b/compiler/rustc_hir/src/hir.rs index e64f7aeb11b3..ff149e9750d5 100644 --- a/compiler/rustc_hir/src/hir.rs +++ b/compiler/rustc_hir/src/hir.rs @@ -1010,6 +1010,7 @@ pub struct Block<'hir> { pub hir_id: HirId, /// Distinguishes between `unsafe { ... }` and `{ ... }`. pub rules: BlockCheckMode, + /// The span includes the curly braces `{` and `}` around the block. pub span: Span, /// If true, then there may exist `break 'a` values that aim to /// break out of this block early. diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs index 9336148fd672..fddb7c263bea 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs @@ -4586,6 +4586,47 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { _ => "/* value */".to_string(), }) } + + fn suggest_add_result_as_return_type( + &self, + obligation: &PredicateObligation<'tcx>, + err: &mut Diag<'_>, + trait_ref: ty::PolyTraitRef<'tcx>, + ) { + if ObligationCauseCode::QuestionMark != *obligation.cause.code().peel_derives() { + return; + } + + let node = self.tcx.hir_node_by_def_id(obligation.cause.body_id); + if let hir::Node::Item(item) = node + && let hir::ItemKind::Fn(sig, _, body_id) = item.kind + && let hir::FnRetTy::DefaultReturn(ret_span) = sig.decl.output + && self.tcx.is_diagnostic_item(sym::FromResidual, trait_ref.def_id()) + && let ty::Tuple(l) = trait_ref.skip_binder().args.type_at(0).kind() + && l.len() == 0 + && let ty::Adt(def, _) = trait_ref.skip_binder().args.type_at(1).kind() + && self.tcx.is_diagnostic_item(sym::Result, def.did()) + { + let body = self.tcx.hir().body(body_id); + let mut sugg_spans = + vec![(ret_span, " -> Result<(), Box>".to_string())]; + + if let hir::ExprKind::Block(b, _) = body.value.kind + && b.expr.is_none() + { + sugg_spans.push(( + // The span will point to the closing curly brace `}` of the block. + b.span.shrink_to_hi().with_lo(b.span.hi() - BytePos(1)), + "\n Ok(())\n}".to_string(), + )); + } + err.multipart_suggestion_verbose( + format!("consider adding return type"), + sugg_spans, + Applicability::MaybeIncorrect, + ); + } + } } /// Add a hint to add a missing borrow or remove an unnecessary one. diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs index da611b748da6..9d1cf0e74f3e 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs @@ -612,6 +612,10 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { &mut err, trait_predicate, ); + self.suggest_add_result_as_return_type(&obligation, + &mut err, + trait_ref); + if self.suggest_add_reference_to_arg( &obligation, &mut err, diff --git a/tests/ui/return/return-from-residual-sugg-issue-125997.fixed b/tests/ui/return/return-from-residual-sugg-issue-125997.fixed new file mode 100644 index 000000000000..b2eca69aeb90 --- /dev/null +++ b/tests/ui/return/return-from-residual-sugg-issue-125997.fixed @@ -0,0 +1,42 @@ +//@ run-rustfix + +#![allow(unused_imports)] +#![allow(dead_code)] + +use std::fs::File; +use std::io::prelude::*; + +fn test1() -> Result<(), Box> { + let mut _file = File::create("foo.txt")?; + //~^ ERROR the `?` operator can only be used in a function + + Ok(()) +} + +fn test2() -> Result<(), Box> { + let mut _file = File::create("foo.txt")?; + //~^ ERROR the `?` operator can only be used in a function + println!(); + + Ok(()) +} + +macro_rules! mac { + () => { + fn test3() -> Result<(), Box> { + let mut _file = File::create("foo.txt")?; + //~^ ERROR the `?` operator can only be used in a function + println!(); + + Ok(()) +} + }; +} + +fn main() -> Result<(), Box> { + let mut _file = File::create("foo.txt")?; + //~^ ERROR the `?` operator can only be used in a function + mac!(); + + Ok(()) +} diff --git a/tests/ui/return/return-from-residual-sugg-issue-125997.rs b/tests/ui/return/return-from-residual-sugg-issue-125997.rs new file mode 100644 index 000000000000..dd8550a388b8 --- /dev/null +++ b/tests/ui/return/return-from-residual-sugg-issue-125997.rs @@ -0,0 +1,34 @@ +//@ run-rustfix + +#![allow(unused_imports)] +#![allow(dead_code)] + +use std::fs::File; +use std::io::prelude::*; + +fn test1() { + let mut _file = File::create("foo.txt")?; + //~^ ERROR the `?` operator can only be used in a function +} + +fn test2() { + let mut _file = File::create("foo.txt")?; + //~^ ERROR the `?` operator can only be used in a function + println!(); +} + +macro_rules! mac { + () => { + fn test3() { + let mut _file = File::create("foo.txt")?; + //~^ ERROR the `?` operator can only be used in a function + println!(); + } + }; +} + +fn main() { + let mut _file = File::create("foo.txt")?; + //~^ ERROR the `?` operator can only be used in a function + mac!(); +} diff --git a/tests/ui/return/return-from-residual-sugg-issue-125997.stderr b/tests/ui/return/return-from-residual-sugg-issue-125997.stderr new file mode 100644 index 000000000000..ef938f0213df --- /dev/null +++ b/tests/ui/return/return-from-residual-sugg-issue-125997.stderr @@ -0,0 +1,86 @@ +error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) + --> $DIR/return-from-residual-sugg-issue-125997.rs:10:44 + | +LL | fn test1() { + | ---------- this function should return `Result` or `Option` to accept `?` +LL | let mut _file = File::create("foo.txt")?; + | ^ cannot use the `?` operator in a function that returns `()` + | + = help: the trait `FromResidual>` is not implemented for `()` +help: consider adding return type + | +LL ~ fn test1() -> Result<(), Box> { +LL | let mut _file = File::create("foo.txt")?; +LL | +LL + +LL + Ok(()) +LL + } + | + +error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) + --> $DIR/return-from-residual-sugg-issue-125997.rs:15:44 + | +LL | fn test2() { + | ---------- this function should return `Result` or `Option` to accept `?` +LL | let mut _file = File::create("foo.txt")?; + | ^ cannot use the `?` operator in a function that returns `()` + | + = help: the trait `FromResidual>` is not implemented for `()` +help: consider adding return type + | +LL ~ fn test2() -> Result<(), Box> { +LL | let mut _file = File::create("foo.txt")?; +LL | +LL | println!(); +LL + +LL + Ok(()) +LL + } + | + +error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) + --> $DIR/return-from-residual-sugg-issue-125997.rs:31:44 + | +LL | fn main() { + | --------- this function should return `Result` or `Option` to accept `?` +LL | let mut _file = File::create("foo.txt")?; + | ^ cannot use the `?` operator in a function that returns `()` + | + = help: the trait `FromResidual>` is not implemented for `()` +help: consider adding return type + | +LL ~ fn main() -> Result<(), Box> { +LL | let mut _file = File::create("foo.txt")?; +LL | +LL | mac!(); +LL + +LL + Ok(()) +LL + } + | + +error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) + --> $DIR/return-from-residual-sugg-issue-125997.rs:23:52 + | +LL | fn test3() { + | ---------- this function should return `Result` or `Option` to accept `?` +LL | let mut _file = File::create("foo.txt")?; + | ^ cannot use the `?` operator in a function that returns `()` +... +LL | mac!(); + | ------ in this macro invocation + | + = help: the trait `FromResidual>` is not implemented for `()` + = note: this error originates in the macro `mac` (in Nightly builds, run with -Z macro-backtrace for more info) +help: consider adding return type + | +LL ~ fn test3() -> Result<(), Box> { +LL | let mut _file = File::create("foo.txt")?; +LL | +LL | println!(); +LL ~ +LL + Ok(()) +LL + } + | + +error: aborting due to 4 previous errors + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/try-trait/try-operator-on-main.stderr b/tests/ui/try-trait/try-operator-on-main.stderr index 7cd38e0cf95e..ba6eacde68fd 100644 --- a/tests/ui/try-trait/try-operator-on-main.stderr +++ b/tests/ui/try-trait/try-operator-on-main.stderr @@ -8,6 +8,16 @@ LL | std::fs::File::open("foo")?; | ^ cannot use the `?` operator in a function that returns `()` | = help: the trait `FromResidual>` is not implemented for `()` +help: consider adding return type + | +LL ~ fn main() -> Result<(), Box> { +LL | // error for a `Try` type on a non-`Try` fn + ... +LL | try_trait_generic::<()>(); +LL + +LL + Ok(()) +LL + } + | error[E0277]: the `?` operator can only be applied to values that implement `Try` --> $DIR/try-operator-on-main.rs:10:5 From 75b164d836ff82b459dfb05646bf0328dd23d2fd Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 12 Jun 2024 13:49:36 +1000 Subject: [PATCH 1367/1716] Use `tidy` to sort crate attributes for all compiler crates. We already do this for a number of crates, e.g. `rustc_middle`, `rustc_span`, `rustc_metadata`, `rustc_span`, `rustc_errors`. For the ones we don't, in many cases the attributes are a mess. - There is no consistency about order of attribute kinds (e.g. `allow`/`deny`/`feature`). - Within attribute kind groups (e.g. the `feature` attributes), sometimes the order is alphabetical, and sometimes there is no particular order. - Sometimes the attributes of a particular kind aren't even grouped all together, e.g. there might be a `feature`, then an `allow`, then another `feature`. This commit extends the existing sorting to all compiler crates, increasing consistency. If any new attribute line is added there is now only one place it can go -- no need for arbitrary decisions. Exceptions: - `rustc_log`, `rustc_next_trait_solver` and `rustc_type_ir_macros`, because they have no crate attributes. - `rustc_codegen_gcc`, because it's quasi-external to rustc (e.g. it's ignored in `rustfmt.toml`). --- compiler/rustc_abi/src/lib.rs | 4 +++- compiler/rustc_arena/src/lib.rs | 18 ++++++++++-------- compiler/rustc_ast/src/lib.rs | 8 +++++--- compiler/rustc_ast_ir/src/lib.rs | 4 +++- compiler/rustc_ast_lowering/src/lib.rs | 4 +++- compiler/rustc_ast_passes/src/lib.rs | 4 +++- compiler/rustc_ast_pretty/src/lib.rs | 4 +++- compiler/rustc_attr/src/lib.rs | 4 +++- compiler/rustc_baked_icu_data/src/lib.rs | 8 +++++--- compiler/rustc_borrowck/src/lib.rs | 4 +++- compiler/rustc_builtin_macros/src/lib.rs | 6 ++++-- compiler/rustc_codegen_cranelift/src/lib.rs | 15 +++++++++------ compiler/rustc_codegen_llvm/src/lib.rs | 8 +++++--- compiler/rustc_codegen_ssa/src/lib.rs | 8 +++++--- compiler/rustc_const_eval/src/lib.rs | 8 +++++--- compiler/rustc_driver/src/lib.rs | 4 +++- compiler/rustc_driver_impl/src/lib.rs | 6 ++++-- compiler/rustc_error_codes/src/lib.rs | 6 ++++-- compiler/rustc_error_messages/src/lib.rs | 10 ++++++---- compiler/rustc_feature/src/lib.rs | 4 +++- compiler/rustc_fluent_macro/src/lib.rs | 8 +++++--- compiler/rustc_fs_util/src/lib.rs | 2 ++ compiler/rustc_graphviz/src/lib.rs | 6 ++++-- compiler/rustc_hir/src/lib.rs | 4 +++- compiler/rustc_hir_analysis/src/lib.rs | 6 ++++-- compiler/rustc_hir_pretty/src/lib.rs | 2 ++ compiler/rustc_hir_typeck/src/lib.rs | 10 ++++++---- compiler/rustc_incremental/src/lib.rs | 4 +++- compiler/rustc_index/src/lib.rs | 4 +++- compiler/rustc_index_macros/src/lib.rs | 4 +++- compiler/rustc_infer/src/lib.rs | 10 ++++++---- compiler/rustc_interface/src/lib.rs | 2 ++ compiler/rustc_lexer/src/lib.rs | 2 ++ compiler/rustc_lint/src/lib.rs | 8 +++++--- compiler/rustc_lint_defs/src/lib.rs | 2 ++ compiler/rustc_llvm/src/lib.rs | 4 +++- compiler/rustc_macros/src/lib.rs | 6 ++++-- compiler/rustc_mir_build/src/lib.rs | 2 ++ compiler/rustc_mir_dataflow/src/lib.rs | 2 ++ compiler/rustc_mir_transform/src/lib.rs | 4 +++- compiler/rustc_monomorphize/src/lib.rs | 2 ++ compiler/rustc_parse/src/lib.rs | 2 ++ compiler/rustc_parse_format/src/lib.rs | 8 +++++--- compiler/rustc_passes/src/lib.rs | 6 ++++-- compiler/rustc_pattern_analysis/src/lib.rs | 4 +++- compiler/rustc_privacy/src/lib.rs | 8 +++++--- compiler/rustc_query_impl/src/lib.rs | 8 +++++--- compiler/rustc_query_system/src/lib.rs | 6 ++++-- compiler/rustc_sanitizers/src/lib.rs | 6 +++++- compiler/rustc_serialize/src/lib.rs | 10 ++++++---- compiler/rustc_session/src/lib.rs | 8 +++++--- compiler/rustc_smir/src/lib.rs | 6 ++++-- compiler/rustc_symbol_mangling/src/lib.rs | 6 ++++-- compiler/rustc_trait_selection/src/lib.rs | 8 +++++--- compiler/rustc_traits/src/lib.rs | 2 ++ compiler/rustc_transmute/src/lib.rs | 4 +++- compiler/rustc_ty_utils/src/lib.rs | 6 ++++-- compiler/rustc_type_ir/src/lib.rs | 4 +++- 58 files changed, 226 insertions(+), 107 deletions(-) diff --git a/compiler/rustc_abi/src/lib.rs b/compiler/rustc_abi/src/lib.rs index b1a17d5a24b6..a6662d4e0e4d 100644 --- a/compiler/rustc_abi/src/lib.rs +++ b/compiler/rustc_abi/src/lib.rs @@ -1,7 +1,9 @@ -#![cfg_attr(feature = "nightly", feature(step_trait))] +// tidy-alphabetical-start #![cfg_attr(feature = "nightly", allow(internal_features))] #![cfg_attr(feature = "nightly", doc(rust_logo))] #![cfg_attr(feature = "nightly", feature(rustdoc_internals))] +#![cfg_attr(feature = "nightly", feature(step_trait))] +// tidy-alphabetical-end use std::fmt; use std::num::{NonZeroUsize, ParseIntError}; diff --git a/compiler/rustc_arena/src/lib.rs b/compiler/rustc_arena/src/lib.rs index bdbc59821de2..810cb7a9f459 100644 --- a/compiler/rustc_arena/src/lib.rs +++ b/compiler/rustc_arena/src/lib.rs @@ -7,23 +7,25 @@ //! //! This crate implements several kinds of arena. +// tidy-alphabetical-start +#![allow(clippy::mut_from_ref)] // Arena allocators are one place where this pattern is fine. +#![allow(internal_features)] +#![cfg_attr(test, feature(test))] +#![deny(unsafe_op_in_unsafe_fn)] #![doc( html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/", test(no_crate_inject, attr(deny(warnings))) )] #![doc(rust_logo)] -#![feature(rustdoc_internals)] #![feature(core_intrinsics)] -#![feature(dropck_eyepatch)] -#![feature(new_uninit)] -#![feature(maybe_uninit_slice)] #![feature(decl_macro)] +#![feature(dropck_eyepatch)] +#![feature(maybe_uninit_slice)] +#![feature(new_uninit)] #![feature(rustc_attrs)] -#![cfg_attr(test, feature(test))] +#![feature(rustdoc_internals)] #![feature(strict_provenance)] -#![deny(unsafe_op_in_unsafe_fn)] -#![allow(internal_features)] -#![allow(clippy::mut_from_ref)] // Arena allocators are one of the places where this pattern is fine. +// tidy-alphabetical-end use smallvec::SmallVec; diff --git a/compiler/rustc_ast/src/lib.rs b/compiler/rustc_ast/src/lib.rs index 63cde3c6809c..7ca950e50e61 100644 --- a/compiler/rustc_ast/src/lib.rs +++ b/compiler/rustc_ast/src/lib.rs @@ -4,20 +4,22 @@ //! //! This API is completely unstable and subject to change. +// tidy-alphabetical-start +#![allow(internal_features)] #![doc( html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/", test(attr(deny(warnings))) )] #![doc(rust_logo)] -#![allow(internal_features)] -#![feature(rustdoc_internals)] #![feature(associated_type_defaults)] #![feature(box_patterns)] #![feature(if_let_guard)] #![feature(let_chains)] -#![feature(never_type)] #![feature(negative_impls)] +#![feature(never_type)] +#![feature(rustdoc_internals)] #![feature(stmt_expr_attributes)] +// tidy-alphabetical-end pub mod util { pub mod case; diff --git a/compiler/rustc_ast_ir/src/lib.rs b/compiler/rustc_ast_ir/src/lib.rs index b1a77639b562..1d0c76f6ceae 100644 --- a/compiler/rustc_ast_ir/src/lib.rs +++ b/compiler/rustc_ast_ir/src/lib.rs @@ -1,6 +1,8 @@ +// tidy-alphabetical-start +#![cfg_attr(feature = "nightly", allow(internal_features))] #![cfg_attr(feature = "nightly", feature(never_type))] #![cfg_attr(feature = "nightly", feature(rustc_attrs))] -#![cfg_attr(feature = "nightly", allow(internal_features))] +// tidy-alphabetical-end #[cfg(feature = "nightly")] use rustc_macros::{Decodable, Encodable, HashStable_NoContext}; diff --git a/compiler/rustc_ast_lowering/src/lib.rs b/compiler/rustc_ast_lowering/src/lib.rs index 1c6b5b9af195..88f6e6c3b780 100644 --- a/compiler/rustc_ast_lowering/src/lib.rs +++ b/compiler/rustc_ast_lowering/src/lib.rs @@ -30,12 +30,14 @@ //! get confused if the spans from leaf AST nodes occur in multiple places //! in the HIR, especially for multiple identifiers. +// tidy-alphabetical-start #![allow(internal_features)] -#![feature(rustdoc_internals)] #![doc(rust_logo)] #![feature(assert_matches)] #![feature(box_patterns)] #![feature(let_chains)] +#![feature(rustdoc_internals)] +// tidy-alphabetical-end use crate::errors::{AssocTyParentheses, AssocTyParenthesesSub, MisplacedImplTrait}; use rustc_ast::node_id::NodeMap; diff --git a/compiler/rustc_ast_passes/src/lib.rs b/compiler/rustc_ast_passes/src/lib.rs index 74d0fff2734f..1f4bcd59afa0 100644 --- a/compiler/rustc_ast_passes/src/lib.rs +++ b/compiler/rustc_ast_passes/src/lib.rs @@ -4,13 +4,15 @@ //! //! The crate also contains other misc AST visitors, e.g. `node_count` and `show_span`. +// tidy-alphabetical-start #![allow(internal_features)] #![doc(rust_logo)] -#![feature(rustdoc_internals)] #![feature(box_patterns)] #![feature(if_let_guard)] #![feature(iter_is_partitioned)] #![feature(let_chains)] +#![feature(rustdoc_internals)] +// tidy-alphabetical-end pub mod ast_validation; mod errors; diff --git a/compiler/rustc_ast_pretty/src/lib.rs b/compiler/rustc_ast_pretty/src/lib.rs index b9e217a21e39..84d9ce278a21 100644 --- a/compiler/rustc_ast_pretty/src/lib.rs +++ b/compiler/rustc_ast_pretty/src/lib.rs @@ -1,7 +1,9 @@ +// tidy-alphabetical-start #![allow(internal_features)] -#![feature(rustdoc_internals)] #![doc(rust_logo)] #![feature(box_patterns)] +#![feature(rustdoc_internals)] +// tidy-alphabetical-end mod helpers; pub mod pp; diff --git a/compiler/rustc_attr/src/lib.rs b/compiler/rustc_attr/src/lib.rs index c61b7ea6d822..9cc53ad7ad8c 100644 --- a/compiler/rustc_attr/src/lib.rs +++ b/compiler/rustc_attr/src/lib.rs @@ -4,10 +4,12 @@ //! The goal is to move the definition of `MetaItem` and things that don't need to be in `syntax` //! to this crate. +// tidy-alphabetical-start #![allow(internal_features)] -#![feature(rustdoc_internals)] #![doc(rust_logo)] #![feature(let_chains)] +#![feature(rustdoc_internals)] +// tidy-alphabetical-end mod builtin; mod session_diagnostics; diff --git a/compiler/rustc_baked_icu_data/src/lib.rs b/compiler/rustc_baked_icu_data/src/lib.rs index ffcb290685a1..e964a709757c 100644 --- a/compiler/rustc_baked_icu_data/src/lib.rs +++ b/compiler/rustc_baked_icu_data/src/lib.rs @@ -20,10 +20,12 @@ //! --cldr-tag latest --icuexport-tag latest -o src/data //! ``` -#![allow(internal_features)] -#![feature(rustdoc_internals)] -#![doc(rust_logo)] +// tidy-alphabetical-start #![allow(elided_lifetimes_in_paths)] +#![allow(internal_features)] +#![doc(rust_logo)] +#![feature(rustdoc_internals)] +// tidy-alphabetical-end mod data { include!("data/mod.rs"); diff --git a/compiler/rustc_borrowck/src/lib.rs b/compiler/rustc_borrowck/src/lib.rs index 1d5801467da8..5c9826ecca73 100644 --- a/compiler/rustc_borrowck/src/lib.rs +++ b/compiler/rustc_borrowck/src/lib.rs @@ -1,7 +1,7 @@ //! This query borrow-checks the MIR to (further) ensure it is not broken. +// tidy-alphabetical-start #![allow(internal_features)] -#![feature(rustdoc_internals)] #![doc(rust_logo)] #![feature(assert_matches)] #![feature(box_patterns)] @@ -10,8 +10,10 @@ #![feature(min_specialization)] #![feature(never_type)] #![feature(rustc_attrs)] +#![feature(rustdoc_internals)] #![feature(stmt_expr_attributes)] #![feature(try_blocks)] +// tidy-alphabetical-end #[macro_use] extern crate tracing; diff --git a/compiler/rustc_builtin_macros/src/lib.rs b/compiler/rustc_builtin_macros/src/lib.rs index 744c7f9d0900..35b0f43d8af7 100644 --- a/compiler/rustc_builtin_macros/src/lib.rs +++ b/compiler/rustc_builtin_macros/src/lib.rs @@ -1,12 +1,12 @@ //! This crate contains implementations of built-in macros and other code generating facilities //! injecting code into the crate before it is lowered to HIR. +// tidy-alphabetical-start #![allow(internal_features)] #![allow(rustc::diagnostic_outside_of_impl)] #![allow(rustc::untranslatable_diagnostic)] -#![feature(rustdoc_internals)] -#![doc(rust_logo)] #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] +#![doc(rust_logo)] #![feature(assert_matches)] #![feature(box_patterns)] #![feature(decl_macro)] @@ -15,7 +15,9 @@ #![feature(lint_reasons)] #![feature(proc_macro_internals)] #![feature(proc_macro_quote)] +#![feature(rustdoc_internals)] #![feature(try_blocks)] +// tidy-alphabetical-end extern crate proc_macro; diff --git a/compiler/rustc_codegen_cranelift/src/lib.rs b/compiler/rustc_codegen_cranelift/src/lib.rs index 39bbad16b0c0..0fea3fd42539 100644 --- a/compiler/rustc_codegen_cranelift/src/lib.rs +++ b/compiler/rustc_codegen_cranelift/src/lib.rs @@ -1,13 +1,16 @@ -#![cfg_attr(doc, allow(internal_features))] -#![cfg_attr(doc, feature(rustdoc_internals))] -#![cfg_attr(doc, doc(rust_logo))] -#![feature(rustc_private)] -// Note: please avoid adding other feature gates where possible +// tidy-alphabetical-start #![allow(rustc::diagnostic_outside_of_impl)] #![allow(rustc::untranslatable_diagnostic)] +#![cfg_attr(doc, allow(internal_features))] +#![cfg_attr(doc, doc(rust_logo))] +#![cfg_attr(doc, feature(rustdoc_internals))] +// Note: please avoid adding other feature gates where possible +#![feature(rustc_private)] +// Note: please avoid adding other feature gates where possible #![warn(rust_2018_idioms)] -#![warn(unused_lifetimes)] #![warn(unreachable_pub)] +#![warn(unused_lifetimes)] +// tidy-alphabetical-end extern crate jobserver; #[macro_use] diff --git a/compiler/rustc_codegen_llvm/src/lib.rs b/compiler/rustc_codegen_llvm/src/lib.rs index 0029ec9d09a2..bb76d3883934 100644 --- a/compiler/rustc_codegen_llvm/src/lib.rs +++ b/compiler/rustc_codegen_llvm/src/lib.rs @@ -4,16 +4,18 @@ //! //! This API is completely unstable and subject to change. +// tidy-alphabetical-start #![allow(internal_features)] -#![feature(rustdoc_internals)] -#![doc(rust_logo)] #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] +#![doc(rust_logo)] #![feature(exact_size_is_empty)] #![feature(extern_types)] #![feature(hash_raw_entry)] +#![feature(impl_trait_in_assoc_type)] #![feature(iter_intersperse)] #![feature(let_chains)] -#![feature(impl_trait_in_assoc_type)] +#![feature(rustdoc_internals)] +// tidy-alphabetical-end use back::owned_target_machine::OwnedTargetMachine; use back::write::{create_informational_target_machine, create_target_machine}; diff --git a/compiler/rustc_codegen_ssa/src/lib.rs b/compiler/rustc_codegen_ssa/src/lib.rs index 3b1921d40e6b..e801af400141 100644 --- a/compiler/rustc_codegen_ssa/src/lib.rs +++ b/compiler/rustc_codegen_ssa/src/lib.rs @@ -1,15 +1,17 @@ -#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] -#![doc(rust_logo)] -#![feature(rustdoc_internals)] +// tidy-alphabetical-start #![allow(internal_features)] #![allow(rustc::diagnostic_outside_of_impl)] #![allow(rustc::untranslatable_diagnostic)] +#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] +#![doc(rust_logo)] #![feature(box_patterns)] #![feature(if_let_guard)] #![feature(let_chains)] #![feature(negative_impls)] +#![feature(rustdoc_internals)] #![feature(strict_provenance)] #![feature(try_blocks)] +// tidy-alphabetical-end //! This crate contains codegen code that is used by all codegen backends (LLVM and others). //! The backend-agnostic functions of this crate use functions defined in various traits that diff --git a/compiler/rustc_const_eval/src/lib.rs b/compiler/rustc_const_eval/src/lib.rs index 3a7c87c1cad9..45ea3ec08f8f 100644 --- a/compiler/rustc_const_eval/src/lib.rs +++ b/compiler/rustc_const_eval/src/lib.rs @@ -1,18 +1,20 @@ +// tidy-alphabetical-start #![allow(internal_features)] #![allow(rustc::diagnostic_outside_of_impl)] -#![feature(rustdoc_internals)] #![doc(rust_logo)] #![feature(assert_matches)] #![feature(box_patterns)] #![feature(decl_macro)] +#![feature(if_let_guard)] #![feature(let_chains)] +#![feature(never_type)] +#![feature(rustdoc_internals)] #![feature(slice_ptr_get)] #![feature(strict_provenance)] -#![feature(never_type)] #![feature(trait_alias)] #![feature(try_blocks)] #![feature(yeet_expr)] -#![feature(if_let_guard)] +// tidy-alphabetical-end pub mod check_consts; pub mod const_eval; diff --git a/compiler/rustc_driver/src/lib.rs b/compiler/rustc_driver/src/lib.rs index acd93b0b2a60..a03834c519d5 100644 --- a/compiler/rustc_driver/src/lib.rs +++ b/compiler/rustc_driver/src/lib.rs @@ -1,8 +1,10 @@ // This crate is intentionally empty and a re-export of `rustc_driver_impl` to allow the code in // `rustc_driver_impl` to be compiled in parallel with other crates. +// tidy-alphabetical-start #![allow(internal_features)] -#![feature(rustdoc_internals)] #![doc(rust_logo)] +#![feature(rustdoc_internals)] +// tidy-alphabetical-end pub use rustc_driver_impl::*; diff --git a/compiler/rustc_driver_impl/src/lib.rs b/compiler/rustc_driver_impl/src/lib.rs index fef4ce0b471c..9acff4a0a26c 100644 --- a/compiler/rustc_driver_impl/src/lib.rs +++ b/compiler/rustc_driver_impl/src/lib.rs @@ -4,16 +4,18 @@ //! //! This API is completely unstable and subject to change. +// tidy-alphabetical-start +#![allow(internal_features)] #![allow(rustc::untranslatable_diagnostic)] // FIXME: make this translatable #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] #![doc(rust_logo)] -#![feature(rustdoc_internals)] -#![allow(internal_features)] #![feature(decl_macro)] #![feature(let_chains)] #![feature(panic_backtrace_config)] #![feature(panic_update_hook)] #![feature(result_flattening)] +#![feature(rustdoc_internals)] +// tidy-alphabetical-end use rustc_ast as ast; use rustc_codegen_ssa::{traits::CodegenBackend, CodegenErrors, CodegenResults}; diff --git a/compiler/rustc_error_codes/src/lib.rs b/compiler/rustc_error_codes/src/lib.rs index f4a33a05c1b3..d13d5e1bca21 100644 --- a/compiler/rustc_error_codes/src/lib.rs +++ b/compiler/rustc_error_codes/src/lib.rs @@ -1,10 +1,12 @@ //! This library is used to gather all error codes into one place, to make //! their maintenance easier. +// tidy-alphabetical-start #![allow(internal_features)] -#![feature(rustdoc_internals)] -#![doc(rust_logo)] #![deny(rustdoc::invalid_codeblock_attributes)] +#![doc(rust_logo)] +#![feature(rustdoc_internals)] +// tidy-alphabetical-end // This higher-order macro defines the error codes that are in use. It is used // in the `rustc_errors` crate. Removed error codes are listed in the comment diff --git a/compiler/rustc_error_messages/src/lib.rs b/compiler/rustc_error_messages/src/lib.rs index 4eb4e77d69cb..26a68454ab3b 100644 --- a/compiler/rustc_error_messages/src/lib.rs +++ b/compiler/rustc_error_messages/src/lib.rs @@ -1,8 +1,10 @@ -#![doc(rust_logo)] -#![feature(rustdoc_internals)] -#![feature(rustc_attrs)] -#![feature(type_alias_impl_trait)] +// tidy-alphabetical-start #![allow(internal_features)] +#![doc(rust_logo)] +#![feature(rustc_attrs)] +#![feature(rustdoc_internals)] +#![feature(type_alias_impl_trait)] +// tidy-alphabetical-end use fluent_bundle::FluentResource; use fluent_syntax::parser::ParserError; diff --git a/compiler/rustc_feature/src/lib.rs b/compiler/rustc_feature/src/lib.rs index 9db9073e2f02..fb3b7c0a1272 100644 --- a/compiler/rustc_feature/src/lib.rs +++ b/compiler/rustc_feature/src/lib.rs @@ -11,9 +11,11 @@ //! even if it is stabilized or removed, *do not remove it*. Instead, move the //! symbol to the `accepted` or `removed` modules respectively. +// tidy-alphabetical-start #![allow(internal_features)] -#![feature(rustdoc_internals)] #![doc(rust_logo)] +#![feature(rustdoc_internals)] +// tidy-alphabetical-end mod accepted; mod builtin_attrs; diff --git a/compiler/rustc_fluent_macro/src/lib.rs b/compiler/rustc_fluent_macro/src/lib.rs index 2303785f94e6..0a04e6743a8b 100644 --- a/compiler/rustc_fluent_macro/src/lib.rs +++ b/compiler/rustc_fluent_macro/src/lib.rs @@ -1,10 +1,12 @@ +// tidy-alphabetical-start +#![allow(internal_features)] +#![allow(rustc::default_hash_types)] #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] #![doc(rust_logo)] -#![allow(internal_features)] -#![feature(rustdoc_internals)] #![feature(proc_macro_diagnostic)] #![feature(proc_macro_span)] -#![allow(rustc::default_hash_types)] +#![feature(rustdoc_internals)] +// tidy-alphabetical-end use proc_macro::TokenStream; diff --git a/compiler/rustc_fs_util/src/lib.rs b/compiler/rustc_fs_util/src/lib.rs index d376c24cb589..5a9b15204d58 100644 --- a/compiler/rustc_fs_util/src/lib.rs +++ b/compiler/rustc_fs_util/src/lib.rs @@ -1,7 +1,9 @@ +// tidy-alphabetical-start use std::ffi::CString; use std::fs; use std::io; use std::path::{absolute, Path, PathBuf}; +// tidy-alphabetical-end // Unfortunately, on windows, it looks like msvcrt.dll is silently translating // verbatim paths under the hood to non-verbatim paths! This manifests itself as diff --git a/compiler/rustc_graphviz/src/lib.rs b/compiler/rustc_graphviz/src/lib.rs index 43bee5c4be02..c0fe98254f08 100644 --- a/compiler/rustc_graphviz/src/lib.rs +++ b/compiler/rustc_graphviz/src/lib.rs @@ -269,13 +269,15 @@ //! //! * [DOT language](https://www.graphviz.org/doc/info/lang.html) +// tidy-alphabetical-start +#![allow(internal_features)] #![doc( html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/", test(attr(allow(unused_variables), deny(warnings))) )] -#![feature(rustdoc_internals)] #![doc(rust_logo)] -#![allow(internal_features)] +#![feature(rustdoc_internals)] +// tidy-alphabetical-end use LabelText::*; diff --git a/compiler/rustc_hir/src/lib.rs b/compiler/rustc_hir/src/lib.rs index 600a0dce03b9..e517c3fd07a1 100644 --- a/compiler/rustc_hir/src/lib.rs +++ b/compiler/rustc_hir/src/lib.rs @@ -2,13 +2,15 @@ //! //! [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/hir.html +// tidy-alphabetical-start +#![allow(internal_features)] #![feature(associated_type_defaults)] #![feature(closure_track_caller)] #![feature(let_chains)] #![feature(never_type)] #![feature(rustc_attrs)] #![feature(variant_count)] -#![allow(internal_features)] +// tidy-alphabetical-end extern crate self as rustc_hir; diff --git a/compiler/rustc_hir_analysis/src/lib.rs b/compiler/rustc_hir_analysis/src/lib.rs index 8fe81851f932..1927359421d0 100644 --- a/compiler/rustc_hir_analysis/src/lib.rs +++ b/compiler/rustc_hir_analysis/src/lib.rs @@ -55,21 +55,23 @@ This API is completely unstable and subject to change. */ +// tidy-alphabetical-start +#![allow(internal_features)] #![allow(rustc::diagnostic_outside_of_impl)] #![allow(rustc::potential_query_instability)] #![allow(rustc::untranslatable_diagnostic)] #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] #![doc(rust_logo)] -#![feature(rustdoc_internals)] -#![allow(internal_features)] #![feature(control_flow_enum)] #![feature(if_let_guard)] #![feature(is_sorted)] #![feature(iter_intersperse)] #![feature(let_chains)] #![feature(never_type)] +#![feature(rustdoc_internals)] #![feature(slice_partition_dedup)] #![feature(try_blocks)] +// tidy-alphabetical-end #[macro_use] extern crate tracing; diff --git a/compiler/rustc_hir_pretty/src/lib.rs b/compiler/rustc_hir_pretty/src/lib.rs index 6f2febd86b0f..d32d0183c4e4 100644 --- a/compiler/rustc_hir_pretty/src/lib.rs +++ b/compiler/rustc_hir_pretty/src/lib.rs @@ -1,7 +1,9 @@ //! HIR pretty-printing is layered on top of AST pretty-printing. A number of //! the definitions in this file have equivalents in `rustc_ast_pretty`. +// tidy-alphabetical-start #![recursion_limit = "256"] +// tidy-alphabetical-end use rustc_ast as ast; use rustc_ast::util::parser::{self, AssocOp, Fixity}; diff --git a/compiler/rustc_hir_typeck/src/lib.rs b/compiler/rustc_hir_typeck/src/lib.rs index 86fe2756b59a..b0fd6de34968 100644 --- a/compiler/rustc_hir_typeck/src/lib.rs +++ b/compiler/rustc_hir_typeck/src/lib.rs @@ -1,11 +1,13 @@ +// tidy-alphabetical-start #![allow(rustc::diagnostic_outside_of_impl)] #![allow(rustc::untranslatable_diagnostic)] -#![feature(if_let_guard)] -#![feature(let_chains)] -#![feature(try_blocks)] -#![feature(never_type)] #![feature(box_patterns)] #![feature(control_flow_enum)] +#![feature(if_let_guard)] +#![feature(let_chains)] +#![feature(never_type)] +#![feature(try_blocks)] +// tidy-alphabetical-end #[macro_use] extern crate tracing; diff --git a/compiler/rustc_incremental/src/lib.rs b/compiler/rustc_incremental/src/lib.rs index 960a2d012e0f..76e3c0682deb 100644 --- a/compiler/rustc_incremental/src/lib.rs +++ b/compiler/rustc_incremental/src/lib.rs @@ -1,10 +1,12 @@ //! Support for serializing the dep-graph and reloading it. +// tidy-alphabetical-start +#![allow(internal_features)] #![deny(missing_docs)] #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] #![doc(rust_logo)] #![feature(rustdoc_internals)] -#![allow(internal_features)] +// tidy-alphabetical-end mod assert_dep_graph; mod errors; diff --git a/compiler/rustc_index/src/lib.rs b/compiler/rustc_index/src/lib.rs index 6fcb3a024ab6..db6b250467e5 100644 --- a/compiler/rustc_index/src/lib.rs +++ b/compiler/rustc_index/src/lib.rs @@ -1,9 +1,11 @@ +// tidy-alphabetical-start +#![cfg_attr(all(feature = "nightly", test), feature(stmt_expr_attributes))] #![cfg_attr( feature = "nightly", feature(extend_one, min_specialization, new_uninit, step_trait, test) )] -#![cfg_attr(all(feature = "nightly", test), feature(stmt_expr_attributes))] #![cfg_attr(feature = "nightly", allow(internal_features))] +// tidy-alphabetical-end pub mod bit_set; #[cfg(feature = "nightly")] diff --git a/compiler/rustc_index_macros/src/lib.rs b/compiler/rustc_index_macros/src/lib.rs index 015518ae4d68..3e55dd82a6e8 100644 --- a/compiler/rustc_index_macros/src/lib.rs +++ b/compiler/rustc_index_macros/src/lib.rs @@ -1,5 +1,7 @@ -#![cfg_attr(feature = "nightly", feature(allow_internal_unstable))] +// tidy-alphabetical-start #![cfg_attr(feature = "nightly", allow(internal_features))] +#![cfg_attr(feature = "nightly", feature(allow_internal_unstable))] +// tidy-alphabetical-end use proc_macro::TokenStream; diff --git a/compiler/rustc_infer/src/lib.rs b/compiler/rustc_infer/src/lib.rs index 28d908abf83e..b65ac8596675 100644 --- a/compiler/rustc_infer/src/lib.rs +++ b/compiler/rustc_infer/src/lib.rs @@ -12,22 +12,24 @@ //! //! This API is completely unstable and subject to change. -#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] -#![doc(rust_logo)] -#![feature(rustdoc_internals)] +// tidy-alphabetical-start #![allow(internal_features)] #![allow(rustc::diagnostic_outside_of_impl)] #![allow(rustc::untranslatable_diagnostic)] +#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] +#![doc(rust_logo)] #![feature(box_patterns)] #![feature(control_flow_enum)] #![feature(extend_one)] -#![feature(let_chains)] #![feature(if_let_guard)] #![feature(iter_intersperse)] #![feature(iterator_try_collect)] +#![feature(let_chains)] +#![feature(rustdoc_internals)] #![feature(try_blocks)] #![feature(yeet_expr)] #![recursion_limit = "512"] // For rustdoc +// tidy-alphabetical-end #[macro_use] extern crate tracing; diff --git a/compiler/rustc_interface/src/lib.rs b/compiler/rustc_interface/src/lib.rs index 8b1d9b706cac..0c3d4e19ef82 100644 --- a/compiler/rustc_interface/src/lib.rs +++ b/compiler/rustc_interface/src/lib.rs @@ -1,7 +1,9 @@ +// tidy-alphabetical-start #![feature(decl_macro)] #![feature(let_chains)] #![feature(thread_spawn_unchecked)] #![feature(try_blocks)] +// tidy-alphabetical-end mod callbacks; mod errors; diff --git a/compiler/rustc_lexer/src/lib.rs b/compiler/rustc_lexer/src/lib.rs index 6f8a9792b6ce..d4efb41eed08 100644 --- a/compiler/rustc_lexer/src/lib.rs +++ b/compiler/rustc_lexer/src/lib.rs @@ -19,9 +19,11 @@ //! //! [`rustc_parse::lexer`]: ../rustc_parse/lexer/index.html +// tidy-alphabetical-start // We want to be able to build this crate with a stable compiler, // so no `#![feature]` attributes should be added. #![deny(unstable_features)] +// tidy-alphabetical-end mod cursor; pub mod unescape; diff --git a/compiler/rustc_lint/src/lib.rs b/compiler/rustc_lint/src/lib.rs index bcb714ae4ce2..7dae2de7bfb5 100644 --- a/compiler/rustc_lint/src/lib.rs +++ b/compiler/rustc_lint/src/lib.rs @@ -25,9 +25,10 @@ //! //! This API is completely unstable and subject to change. +// tidy-alphabetical-start +#![allow(internal_features)] #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] #![doc(rust_logo)] -#![feature(rustdoc_internals)] #![feature(array_windows)] #![feature(box_patterns)] #![feature(control_flow_enum)] @@ -35,9 +36,10 @@ #![feature(if_let_guard)] #![feature(iter_order_by)] #![feature(let_chains)] -#![feature(trait_upcasting)] #![feature(rustc_attrs)] -#![allow(internal_features)] +#![feature(rustdoc_internals)] +#![feature(trait_upcasting)] +// tidy-alphabetical-end mod async_fn_in_trait; pub mod builtin; diff --git a/compiler/rustc_lint_defs/src/lib.rs b/compiler/rustc_lint_defs/src/lib.rs index 8bf25024afe7..1ce95df34041 100644 --- a/compiler/rustc_lint_defs/src/lib.rs +++ b/compiler/rustc_lint_defs/src/lib.rs @@ -1,3 +1,4 @@ +// tidy-alphabetical-start pub use self::Level::*; use rustc_ast::node_id::NodeId; use rustc_ast::{AttrId, Attribute}; @@ -14,6 +15,7 @@ use rustc_span::edition::Edition; use rustc_span::symbol::MacroRulesNormalizedIdent; use rustc_span::{sym, symbol::Ident, Span, Symbol}; use rustc_target::spec::abi::Abi; +// tidy-alphabetical-end use serde::{Deserialize, Serialize}; diff --git a/compiler/rustc_llvm/src/lib.rs b/compiler/rustc_llvm/src/lib.rs index 6a570c97c888..2b50eac8b636 100644 --- a/compiler/rustc_llvm/src/lib.rs +++ b/compiler/rustc_llvm/src/lib.rs @@ -1,7 +1,9 @@ +// tidy-alphabetical-start +#![allow(internal_features)] #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] #![doc(rust_logo)] #![feature(rustdoc_internals)] -#![allow(internal_features)] +// tidy-alphabetical-end // NOTE: This crate only exists to allow linking on mingw targets. diff --git a/compiler/rustc_macros/src/lib.rs b/compiler/rustc_macros/src/lib.rs index de9c916b4f04..9d7418cd370a 100644 --- a/compiler/rustc_macros/src/lib.rs +++ b/compiler/rustc_macros/src/lib.rs @@ -1,3 +1,6 @@ +// tidy-alphabetical-start +#![allow(internal_features)] +#![allow(rustc::default_hash_types)] #![feature(allow_internal_unstable)] #![feature(if_let_guard)] #![feature(let_chains)] @@ -5,8 +8,7 @@ #![feature(proc_macro_diagnostic)] #![feature(proc_macro_span)] #![feature(proc_macro_tracked_env)] -#![allow(rustc::default_hash_types)] -#![allow(internal_features)] +// tidy-alphabetical-end use synstructure::decl_derive; diff --git a/compiler/rustc_mir_build/src/lib.rs b/compiler/rustc_mir_build/src/lib.rs index a1b8b5783491..66004179b10b 100644 --- a/compiler/rustc_mir_build/src/lib.rs +++ b/compiler/rustc_mir_build/src/lib.rs @@ -1,5 +1,6 @@ //! Construction of MIR from HIR. +// tidy-alphabetical-start #![allow(rustc::diagnostic_outside_of_impl)] #![allow(rustc::untranslatable_diagnostic)] #![feature(assert_matches)] @@ -7,6 +8,7 @@ #![feature(if_let_guard)] #![feature(let_chains)] #![feature(try_blocks)] +// tidy-alphabetical-end mod build; mod check_unsafety; diff --git a/compiler/rustc_mir_dataflow/src/lib.rs b/compiler/rustc_mir_dataflow/src/lib.rs index 0b397a67d45c..b0808ba2067e 100644 --- a/compiler/rustc_mir_dataflow/src/lib.rs +++ b/compiler/rustc_mir_dataflow/src/lib.rs @@ -1,8 +1,10 @@ +// tidy-alphabetical-start #![feature(associated_type_defaults)] #![feature(box_patterns)] #![feature(exact_size_is_empty)] #![feature(let_chains)] #![feature(try_blocks)] +// tidy-alphabetical-end use rustc_middle::ty; diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs index 551760f4703d..3c0f4e9142b1 100644 --- a/compiler/rustc_mir_transform/src/lib.rs +++ b/compiler/rustc_mir_transform/src/lib.rs @@ -1,8 +1,10 @@ +// tidy-alphabetical-start #![feature(assert_matches)] #![feature(box_patterns)] #![feature(const_type_name)] #![feature(cow_is_borrowed)] #![feature(decl_macro)] +#![feature(if_let_guard)] #![feature(impl_trait_in_assoc_type)] #![feature(is_sorted)] #![feature(let_chains)] @@ -12,7 +14,7 @@ #![feature(round_char_boundary)] #![feature(try_blocks)] #![feature(yeet_expr)] -#![feature(if_let_guard)] +// tidy-alphabetical-end #[macro_use] extern crate tracing; diff --git a/compiler/rustc_monomorphize/src/lib.rs b/compiler/rustc_monomorphize/src/lib.rs index eb5f8d92603a..aa3b4cd5b678 100644 --- a/compiler/rustc_monomorphize/src/lib.rs +++ b/compiler/rustc_monomorphize/src/lib.rs @@ -1,5 +1,7 @@ +// tidy-alphabetical-start #![feature(array_windows)] #![feature(is_sorted)] +// tidy-alphabetical-end use rustc_hir::lang_items::LangItem; use rustc_middle::bug; diff --git a/compiler/rustc_parse/src/lib.rs b/compiler/rustc_parse/src/lib.rs index b316327a262d..25cab7252a36 100644 --- a/compiler/rustc_parse/src/lib.rs +++ b/compiler/rustc_parse/src/lib.rs @@ -1,5 +1,6 @@ //! The main parser interface. +// tidy-alphabetical-start #![allow(internal_features)] #![allow(rustc::diagnostic_outside_of_impl)] #![allow(rustc::untranslatable_diagnostic)] @@ -9,6 +10,7 @@ #![feature(if_let_guard)] #![feature(iter_intersperse)] #![feature(let_chains)] +// tidy-alphabetical-end use rustc_ast as ast; use rustc_ast::token; diff --git a/compiler/rustc_parse_format/src/lib.rs b/compiler/rustc_parse_format/src/lib.rs index ef71333d1c39..7e22644977d1 100644 --- a/compiler/rustc_parse_format/src/lib.rs +++ b/compiler/rustc_parse_format/src/lib.rs @@ -4,14 +4,16 @@ //! Parsing does not happen at runtime: structures of `std::fmt::rt` are //! generated instead. +// tidy-alphabetical-start +// We want to be able to build this crate with a stable compiler, +// so no `#![feature]` attributes should be added. +#![deny(unstable_features)] #![doc( html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/", html_playground_url = "https://play.rust-lang.org/", test(attr(deny(warnings))) )] -// We want to be able to build this crate with a stable compiler, -// so no `#![feature]` attributes should be added. -#![deny(unstable_features)] +// tidy-alphabetical-end use rustc_lexer::unescape; pub use Alignment::*; diff --git a/compiler/rustc_passes/src/lib.rs b/compiler/rustc_passes/src/lib.rs index 045a0a1525bf..a0f5f98aafc8 100644 --- a/compiler/rustc_passes/src/lib.rs +++ b/compiler/rustc_passes/src/lib.rs @@ -4,13 +4,15 @@ //! //! This API is completely unstable and subject to change. +// tidy-alphabetical-start +#![allow(internal_features)] #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] #![doc(rust_logo)] -#![feature(rustdoc_internals)] -#![allow(internal_features)] #![feature(let_chains)] #![feature(map_try_insert)] +#![feature(rustdoc_internals)] #![feature(try_blocks)] +// tidy-alphabetical-end use rustc_middle::query::Providers; diff --git a/compiler/rustc_pattern_analysis/src/lib.rs b/compiler/rustc_pattern_analysis/src/lib.rs index 4155540886a6..c9590ad06b05 100644 --- a/compiler/rustc_pattern_analysis/src/lib.rs +++ b/compiler/rustc_pattern_analysis/src/lib.rs @@ -1,7 +1,9 @@ //! Analysis of patterns, notably match exhaustiveness checking. -#![allow(rustc::untranslatable_diagnostic)] +// tidy-alphabetical-start #![allow(rustc::diagnostic_outside_of_impl)] +#![allow(rustc::untranslatable_diagnostic)] +// tidy-alphabetical-end pub mod constructor; #[cfg(feature = "rustc")] diff --git a/compiler/rustc_privacy/src/lib.rs b/compiler/rustc_privacy/src/lib.rs index 698b28c626d0..fb57d42f6df1 100644 --- a/compiler/rustc_privacy/src/lib.rs +++ b/compiler/rustc_privacy/src/lib.rs @@ -1,10 +1,12 @@ +// tidy-alphabetical-start +#![allow(internal_features)] #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] #![doc(rust_logo)] -#![feature(rustdoc_internals)] -#![allow(internal_features)] #![feature(associated_type_defaults)] -#![feature(try_blocks)] #![feature(let_chains)] +#![feature(rustdoc_internals)] +#![feature(try_blocks)] +// tidy-alphabetical-end mod errors; diff --git a/compiler/rustc_query_impl/src/lib.rs b/compiler/rustc_query_impl/src/lib.rs index 85f55553af39..825c1e2e9bce 100644 --- a/compiler/rustc_query_impl/src/lib.rs +++ b/compiler/rustc_query_impl/src/lib.rs @@ -1,12 +1,14 @@ //! Support for serializing the dep-graph and reloading it. +// tidy-alphabetical-start +#![allow(internal_features)] +#![allow(rustc::potential_query_instability, unused_parens)] #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] #![doc(rust_logo)] -#![feature(rustdoc_internals)] #![feature(min_specialization)] #![feature(rustc_attrs)] -#![allow(rustc::potential_query_instability, unused_parens)] -#![allow(internal_features)] +#![feature(rustdoc_internals)] +// tidy-alphabetical-end use crate::plumbing::{__rust_begin_short_backtrace, encode_all_query_results, try_mark_green}; use crate::profiling_support::QueryKeyStringCache; diff --git a/compiler/rustc_query_system/src/lib.rs b/compiler/rustc_query_system/src/lib.rs index fa07877ab9f3..41222e83f7c5 100644 --- a/compiler/rustc_query_system/src/lib.rs +++ b/compiler/rustc_query_system/src/lib.rs @@ -1,9 +1,11 @@ +// tidy-alphabetical-start +#![allow(rustc::potential_query_instability, internal_features)] #![feature(assert_matches)] #![feature(core_intrinsics)] #![feature(hash_raw_entry)] -#![feature(min_specialization)] #![feature(let_chains)] -#![allow(rustc::potential_query_instability, internal_features)] +#![feature(min_specialization)] +// tidy-alphabetical-end pub mod cache; pub mod dep_graph; diff --git a/compiler/rustc_sanitizers/src/lib.rs b/compiler/rustc_sanitizers/src/lib.rs index 1f73e255490b..e4792563e71e 100644 --- a/compiler/rustc_sanitizers/src/lib.rs +++ b/compiler/rustc_sanitizers/src/lib.rs @@ -1,7 +1,11 @@ -#![feature(let_chains)] //! Sanitizers support for the Rust compiler. //! //! This crate contains the source code for providing support for the sanitizers to the Rust //! compiler. + +// tidy-alphabetical-start +#![feature(let_chains)] +// tidy-alphabetical-end + pub mod cfi; pub mod kcfi; diff --git a/compiler/rustc_serialize/src/lib.rs b/compiler/rustc_serialize/src/lib.rs index 532b749f9136..f0e1630c6500 100644 --- a/compiler/rustc_serialize/src/lib.rs +++ b/compiler/rustc_serialize/src/lib.rs @@ -1,20 +1,22 @@ //! Support code for encoding and decoding types. +// tidy-alphabetical-start +#![allow(internal_features)] +#![allow(rustc::internal)] +#![cfg_attr(test, feature(test))] #![doc( html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/", html_playground_url = "https://play.rust-lang.org/", test(attr(allow(unused_variables), deny(warnings))) )] #![doc(rust_logo)] -#![allow(internal_features)] -#![feature(rustdoc_internals)] #![feature(const_option)] #![feature(core_intrinsics)] #![feature(min_specialization)] #![feature(never_type)] #![feature(ptr_sub_ptr)] -#![cfg_attr(test, feature(test))] -#![allow(rustc::internal)] +#![feature(rustdoc_internals)] +// tidy-alphabetical-end pub use self::serialize::{Decodable, Decoder, Encodable, Encoder}; diff --git a/compiler/rustc_session/src/lib.rs b/compiler/rustc_session/src/lib.rs index cb02fbdfee9e..d93b3eac0804 100644 --- a/compiler/rustc_session/src/lib.rs +++ b/compiler/rustc_session/src/lib.rs @@ -1,9 +1,11 @@ +// tidy-alphabetical-start +#![allow(internal_features)] +#![feature(iter_intersperse)] #![feature(let_chains)] +#![feature(map_many_mut)] #![feature(option_get_or_insert_default)] #![feature(rustc_attrs)] -#![feature(map_many_mut)] -#![feature(iter_intersperse)] -#![allow(internal_features)] +// tidy-alphabetical-end pub mod errors; diff --git a/compiler/rustc_smir/src/lib.rs b/compiler/rustc_smir/src/lib.rs index ddd5ea5510a9..9f8888753061 100644 --- a/compiler/rustc_smir/src/lib.rs +++ b/compiler/rustc_smir/src/lib.rs @@ -6,14 +6,16 @@ //! //! This API is still completely unstable and subject to change. +// tidy-alphabetical-start +#![allow(internal_features)] +#![allow(rustc::usage_of_ty_tykind)] #![doc( html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/", test(attr(allow(unused_variables), deny(warnings))) )] #![doc(rust_logo)] #![feature(rustdoc_internals)] -#![allow(internal_features)] -#![allow(rustc::usage_of_ty_tykind)] +// tidy-alphabetical-end pub mod rustc_internal; diff --git a/compiler/rustc_symbol_mangling/src/lib.rs b/compiler/rustc_symbol_mangling/src/lib.rs index 745ae41085b2..e65d3080a0a1 100644 --- a/compiler/rustc_symbol_mangling/src/lib.rs +++ b/compiler/rustc_symbol_mangling/src/lib.rs @@ -87,11 +87,13 @@ //! virtually impossible. Thus, symbol hash generation exclusively relies on //! DefPaths which are much more robust in the face of changes to the code base. +// tidy-alphabetical-start +#![allow(internal_features)] #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] #![doc(rust_logo)] -#![feature(rustdoc_internals)] #![feature(let_chains)] -#![allow(internal_features)] +#![feature(rustdoc_internals)] +// tidy-alphabetical-end use rustc_hir::def::DefKind; use rustc_hir::def_id::{CrateNum, LOCAL_CRATE}; diff --git a/compiler/rustc_trait_selection/src/lib.rs b/compiler/rustc_trait_selection/src/lib.rs index 381da6f7e2a7..50c618bb3bde 100644 --- a/compiler/rustc_trait_selection/src/lib.rs +++ b/compiler/rustc_trait_selection/src/lib.rs @@ -10,12 +10,12 @@ //! //! This API is completely unstable and subject to change. -#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] -#![doc(rust_logo)] -#![feature(rustdoc_internals)] +// tidy-alphabetical-start #![allow(internal_features)] #![allow(rustc::diagnostic_outside_of_impl)] #![allow(rustc::untranslatable_diagnostic)] +#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] +#![doc(rust_logo)] #![feature(assert_matches)] #![feature(associated_type_defaults)] #![feature(box_patterns)] @@ -24,8 +24,10 @@ #![feature(if_let_guard)] #![feature(let_chains)] #![feature(never_type)] +#![feature(rustdoc_internals)] #![feature(type_alias_impl_trait)] #![recursion_limit = "512"] // For rustdoc +// tidy-alphabetical-end #[macro_use] extern crate tracing; diff --git a/compiler/rustc_traits/src/lib.rs b/compiler/rustc_traits/src/lib.rs index bc5436f76f1c..fdeda34d2946 100644 --- a/compiler/rustc_traits/src/lib.rs +++ b/compiler/rustc_traits/src/lib.rs @@ -1,6 +1,8 @@ //! Queries that are independent from the main solver code. +// tidy-alphabetical-start #![recursion_limit = "256"] +// tidy-alphabetical-end mod codegen; mod dropck_outlives; diff --git a/compiler/rustc_transmute/src/lib.rs b/compiler/rustc_transmute/src/lib.rs index ffebf7b0721a..2b052412e6b6 100644 --- a/compiler/rustc_transmute/src/lib.rs +++ b/compiler/rustc_transmute/src/lib.rs @@ -1,6 +1,8 @@ +// tidy-alphabetical-start +#![allow(unused_variables)] #![feature(alloc_layout_extra)] #![feature(never_type)] -#![allow(unused_variables)] +// tidy-alphabetical-end pub(crate) use rustc_data_structures::fx::{FxIndexMap as Map, FxIndexSet as Set}; diff --git a/compiler/rustc_ty_utils/src/lib.rs b/compiler/rustc_ty_utils/src/lib.rs index bd89265d9426..ad0bcbfbbc2a 100644 --- a/compiler/rustc_ty_utils/src/lib.rs +++ b/compiler/rustc_ty_utils/src/lib.rs @@ -4,10 +4,10 @@ //! //! This API is completely unstable and subject to change. +// tidy-alphabetical-start +#![allow(internal_features)] #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] #![doc(rust_logo)] -#![feature(rustdoc_internals)] -#![allow(internal_features)] #![feature(assert_matches)] #![feature(associated_type_defaults)] #![feature(box_patterns)] @@ -15,6 +15,8 @@ #![feature(iterator_try_collect)] #![feature(let_chains)] #![feature(never_type)] +#![feature(rustdoc_internals)] +// tidy-alphabetical-end use rustc_middle::query::Providers; diff --git a/compiler/rustc_type_ir/src/lib.rs b/compiler/rustc_type_ir/src/lib.rs index 737164689303..7072b3de07dc 100644 --- a/compiler/rustc_type_ir/src/lib.rs +++ b/compiler/rustc_type_ir/src/lib.rs @@ -1,9 +1,11 @@ +// tidy-alphabetical-start +#![allow(rustc::usage_of_ty_tykind)] #![cfg_attr( feature = "nightly", feature(associated_type_defaults, min_specialization, never_type, rustc_attrs, negative_impls) )] -#![allow(rustc::usage_of_ty_tykind)] #![cfg_attr(feature = "nightly", allow(internal_features))] +// tidy-alphabetical-end #[cfg(feature = "nightly")] extern crate self as rustc_type_ir; From af04418a0519d45af1bc41667bffc0c2fce2cef4 Mon Sep 17 00:00:00 2001 From: Jubilee Young Date: Tue, 11 Jun 2024 22:55:55 -0700 Subject: [PATCH 1368/1716] Make PathBuf less Ok with adding UTF-16 then `into_string` --- library/std/src/sys_common/wtf8.rs | 3 +++ library/std/tests/windows.rs | 14 ++++++++++++++ 2 files changed, 17 insertions(+) create mode 100644 library/std/tests/windows.rs diff --git a/library/std/src/sys_common/wtf8.rs b/library/std/src/sys_common/wtf8.rs index bb1e505285bf..84128a4b595f 100644 --- a/library/std/src/sys_common/wtf8.rs +++ b/library/std/src/sys_common/wtf8.rs @@ -477,6 +477,9 @@ impl Wtf8Buf { /// Part of a hack to make PathBuf::push/pop more efficient. #[inline] pub(crate) fn as_mut_vec_for_path_buf(&mut self) -> &mut Vec { + // FIXME: this function should not even exist, as it implies violating Wtf8Buf invariants + // For now, simply assume that is about to happen. + self.is_known_utf8 = false; &mut self.bytes } } diff --git a/library/std/tests/windows.rs b/library/std/tests/windows.rs new file mode 100644 index 000000000000..9f7596f1bc2c --- /dev/null +++ b/library/std/tests/windows.rs @@ -0,0 +1,14 @@ +#![cfg(windows)] +//! An external tests + +use std::{ffi::OsString, os::windows::ffi::OsStringExt, path::PathBuf}; + +#[test] +#[should_panic] +fn os_string_must_know_it_isnt_utf8_issue_126291() { + let mut utf8 = PathBuf::from(OsString::from("utf8".to_owned())); + let non_utf8: OsString = + OsStringExt::from_wide(&[0x6e, 0x6f, 0x6e, 0xd800, 0x75, 0x74, 0x66, 0x38]); + utf8.set_extension(&non_utf8); + utf8.into_os_string().into_string().unwrap(); +} From 39e7bf6826946bea847b8680e73cbca12c8d9732 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Mon, 10 Jun 2024 14:03:00 +0000 Subject: [PATCH 1369/1716] Revert "Rollup merge of #125362 - joboet:tait_hack, r=Nilstrieb" This reverts commit 1e4bde1cb9736ad4b8d3b95fbfe1533015c1d165, reversing changes made to 4ee97fc3dbcddc9d69701e346a1be9e0b66855a7. --- library/core/src/internal_macros.rs | 41 +++++++++++ library/core/src/lib.rs | 1 - library/core/src/slice/ascii.rs | 9 ++- library/core/src/str/iter.rs | 6 +- library/core/src/str/mod.rs | 104 ++++++++++++++++++---------- 5 files changed, 117 insertions(+), 44 deletions(-) diff --git a/library/core/src/internal_macros.rs b/library/core/src/internal_macros.rs index d3a4d6aff2d8..bf53b2245ac5 100644 --- a/library/core/src/internal_macros.rs +++ b/library/core/src/internal_macros.rs @@ -80,6 +80,47 @@ macro_rules! forward_ref_op_assign { } } +/// Create a zero-size type similar to a closure type, but named. +macro_rules! impl_fn_for_zst { + ($( + $( #[$attr: meta] )* + struct $Name: ident impl$( <$( $lifetime : lifetime ),+> )? Fn = + |$( $arg: ident: $ArgTy: ty ),*| -> $ReturnTy: ty + $body: block; + )+) => { + $( + $( #[$attr] )* + struct $Name; + + impl $( <$( $lifetime ),+> )? Fn<($( $ArgTy, )*)> for $Name { + #[inline] + extern "rust-call" fn call(&self, ($( $arg, )*): ($( $ArgTy, )*)) -> $ReturnTy { + $body + } + } + + impl $( <$( $lifetime ),+> )? FnMut<($( $ArgTy, )*)> for $Name { + #[inline] + extern "rust-call" fn call_mut( + &mut self, + ($( $arg, )*): ($( $ArgTy, )*) + ) -> $ReturnTy { + Fn::call(&*self, ($( $arg, )*)) + } + } + + impl $( <$( $lifetime ),+> )? FnOnce<($( $ArgTy, )*)> for $Name { + type Output = $ReturnTy; + + #[inline] + extern "rust-call" fn call_once(self, ($( $arg, )*): ($( $ArgTy, )*)) -> $ReturnTy { + Fn::call(&self, ($( $arg, )*)) + } + } + )+ + } +} + /// A macro for defining `#[cfg]` if-else statements. /// /// `cfg_if` is similar to the `if/elif` C preprocessor macro by allowing definition of a cascade diff --git a/library/core/src/lib.rs b/library/core/src/lib.rs index 89642d6226a2..ef28bc99c4fc 100644 --- a/library/core/src/lib.rs +++ b/library/core/src/lib.rs @@ -255,7 +255,6 @@ #![feature(trait_alias)] #![feature(transparent_unions)] #![feature(try_blocks)] -#![feature(type_alias_impl_trait)] #![feature(unboxed_closures)] #![feature(unsized_fn_params)] #![feature(with_negative_coherence)] diff --git a/library/core/src/slice/ascii.rs b/library/core/src/slice/ascii.rs index 19c91ba2eb98..8ad045275ade 100644 --- a/library/core/src/slice/ascii.rs +++ b/library/core/src/slice/ascii.rs @@ -108,7 +108,7 @@ impl [u8] { without modifying the original"] #[stable(feature = "inherent_ascii_escape", since = "1.60.0")] pub fn escape_ascii(&self) -> EscapeAscii<'_> { - EscapeAscii { inner: self.iter().flat_map(|byte| byte.escape_ascii()) } + EscapeAscii { inner: self.iter().flat_map(EscapeByte) } } /// Returns a byte slice with leading ASCII whitespace bytes removed. @@ -190,7 +190,12 @@ impl [u8] { } } -type EscapeByte = impl (Fn(&u8) -> ascii::EscapeDefault) + Copy; +impl_fn_for_zst! { + #[derive(Clone)] + struct EscapeByte impl Fn = |byte: &u8| -> ascii::EscapeDefault { + ascii::escape_default(*byte) + }; +} /// An iterator over the escaped version of a byte slice. /// diff --git a/library/core/src/str/iter.rs b/library/core/src/str/iter.rs index d61f04102e5e..19627f28e64f 100644 --- a/library/core/src/str/iter.rs +++ b/library/core/src/str/iter.rs @@ -1274,10 +1274,8 @@ pub struct SplitWhitespace<'a> { #[stable(feature = "split_ascii_whitespace", since = "1.34.0")] #[derive(Clone, Debug)] pub struct SplitAsciiWhitespace<'a> { - pub(super) inner: Map< - Filter, BytesIsNotEmpty<'a>>, - UnsafeBytesToStr<'a>, - >, + pub(super) inner: + Map, BytesIsNotEmpty>, UnsafeBytesToStr>, } /// An iterator over the substrings of a string, diff --git a/library/core/src/str/mod.rs b/library/core/src/str/mod.rs index edda4d1b6870..669cdc92e358 100644 --- a/library/core/src/str/mod.rs +++ b/library/core/src/str/mod.rs @@ -983,7 +983,7 @@ impl str { #[cfg_attr(not(test), rustc_diagnostic_item = "str_split_whitespace")] #[inline] pub fn split_whitespace(&self) -> SplitWhitespace<'_> { - SplitWhitespace { inner: self.split(char::is_whitespace).filter(|s| !s.is_empty()) } + SplitWhitespace { inner: self.split(IsWhitespace).filter(IsNotEmpty) } } /// Splits a string slice by ASCII whitespace. @@ -1032,13 +1032,8 @@ impl str { #[stable(feature = "split_ascii_whitespace", since = "1.34.0")] #[inline] pub fn split_ascii_whitespace(&self) -> SplitAsciiWhitespace<'_> { - let inner = self - .as_bytes() - .split(u8::is_ascii_whitespace) - .filter(|s| !s.is_empty()) - // SAFETY: the byte slice came from a string and was only split - // along character boundaries, so the resulting slices are strings. - .map(|bytes| unsafe { from_utf8_unchecked(bytes) }); + let inner = + self.as_bytes().split(IsAsciiWhitespace).filter(BytesIsNotEmpty).map(UnsafeBytesToStr); SplitAsciiWhitespace { inner } } @@ -1090,11 +1085,7 @@ impl str { #[stable(feature = "rust1", since = "1.0.0")] #[inline] pub fn lines(&self) -> Lines<'_> { - Lines(self.split_inclusive('\n').map(|line| { - let Some(line) = line.strip_suffix('\n') else { return line }; - let Some(line) = line.strip_suffix('\r') else { return line }; - line - })) + Lines(self.split_inclusive('\n').map(LinesMap)) } /// An iterator over the lines of a string. @@ -2645,19 +2636,14 @@ impl str { #[stable(feature = "str_escape", since = "1.34.0")] pub fn escape_debug(&self) -> EscapeDebug<'_> { let mut chars = self.chars(); - let first = chars - .next() - .map(|first| first.escape_debug_ext(EscapeDebugExtArgs::ESCAPE_ALL)) - .into_iter() - .flatten(); - let inner = first.chain(chars.flat_map(|c| { - c.escape_debug_ext(EscapeDebugExtArgs { - escape_grapheme_extended: false, - escape_single_quote: true, - escape_double_quote: true, - }) - })); - EscapeDebug { inner } + EscapeDebug { + inner: chars + .next() + .map(|first| first.escape_debug_ext(EscapeDebugExtArgs::ESCAPE_ALL)) + .into_iter() + .flatten() + .chain(chars.flat_map(CharEscapeDebugContinue)), + } } /// Return an iterator that escapes each char in `self` with [`char::escape_default`]. @@ -2695,7 +2681,7 @@ impl str { without modifying the original"] #[stable(feature = "str_escape", since = "1.34.0")] pub fn escape_default(&self) -> EscapeDefault<'_> { - EscapeDefault { inner: self.chars().flat_map(char::escape_default) } + EscapeDefault { inner: self.chars().flat_map(CharEscapeDefault) } } /// Return an iterator that escapes each char in `self` with [`char::escape_unicode`]. @@ -2733,7 +2719,7 @@ impl str { without modifying the original"] #[stable(feature = "str_escape", since = "1.34.0")] pub fn escape_unicode(&self) -> EscapeUnicode<'_> { - EscapeUnicode { inner: self.chars().flat_map(char::escape_unicode) } + EscapeUnicode { inner: self.chars().flat_map(CharEscapeUnicode) } } } @@ -2764,15 +2750,59 @@ impl Default for &mut str { } } -type LinesMap = impl (Fn(&str) -> &str) + Copy; -type CharEscapeDebugContinue = impl (FnMut(char) -> char::EscapeDebug) + Copy; -type CharEscapeUnicode = impl (Fn(char) -> char::EscapeUnicode) + Copy; -type CharEscapeDefault = impl (Fn(char) -> char::EscapeDefault) + Copy; -type IsWhitespace = impl (Fn(char) -> bool) + Copy; -type IsAsciiWhitespace = impl (Fn(&u8) -> bool) + Copy; -type IsNotEmpty = impl (Fn(&&str) -> bool) + Copy; -type BytesIsNotEmpty<'a> = impl (FnMut(&&'a [u8]) -> bool) + Copy; -type UnsafeBytesToStr<'a> = impl (FnMut(&'a [u8]) -> &'a str) + Copy; +impl_fn_for_zst! { + /// A nameable, cloneable fn type + #[derive(Clone)] + struct LinesMap impl<'a> Fn = |line: &'a str| -> &'a str { + let Some(line) = line.strip_suffix('\n') else { return line }; + let Some(line) = line.strip_suffix('\r') else { return line }; + line + }; + + #[derive(Clone)] + struct CharEscapeDebugContinue impl Fn = |c: char| -> char::EscapeDebug { + c.escape_debug_ext(EscapeDebugExtArgs { + escape_grapheme_extended: false, + escape_single_quote: true, + escape_double_quote: true + }) + }; + + #[derive(Clone)] + struct CharEscapeUnicode impl Fn = |c: char| -> char::EscapeUnicode { + c.escape_unicode() + }; + #[derive(Clone)] + struct CharEscapeDefault impl Fn = |c: char| -> char::EscapeDefault { + c.escape_default() + }; + + #[derive(Clone)] + struct IsWhitespace impl Fn = |c: char| -> bool { + c.is_whitespace() + }; + + #[derive(Clone)] + struct IsAsciiWhitespace impl Fn = |byte: &u8| -> bool { + byte.is_ascii_whitespace() + }; + + #[derive(Clone)] + struct IsNotEmpty impl<'a, 'b> Fn = |s: &'a &'b str| -> bool { + !s.is_empty() + }; + + #[derive(Clone)] + struct BytesIsNotEmpty impl<'a, 'b> Fn = |s: &'a &'b [u8]| -> bool { + !s.is_empty() + }; + + #[derive(Clone)] + struct UnsafeBytesToStr impl<'a> Fn = |bytes: &'a [u8]| -> &'a str { + // SAFETY: not safe + unsafe { from_utf8_unchecked(bytes) } + }; +} // This is required to make `impl From<&str> for Box` and `impl From for Box` not overlap. #[stable(feature = "rust1", since = "1.0.0")] From 0bc2001879558ba0d51b6a246f5178853f9ff21e Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Mon, 10 Jun 2024 16:17:38 +0000 Subject: [PATCH 1370/1716] Require any function with a tait in its signature to actually constrain a hidden type --- .../example/issue-72793.rs | 23 +-- .../src/obligation_forest/mod.rs | 27 +-- compiler/rustc_hir_analysis/messages.ftl | 4 + .../src/collect/type_of/opaque.rs | 15 +- compiler/rustc_hir_analysis/src/errors.rs | 11 ++ compiler/rustc_middle/src/mir/terminator.rs | 155 ++++++++++-------- library/std/src/backtrace.rs | 58 ++++--- ...adata-id-itanium-cxx-abi-const-generics.rs | 23 +-- ...e-metadata-id-itanium-cxx-abi-lifetimes.rs | 21 ++- ...-type-metadata-id-itanium-cxx-abi-paths.rs | 94 +++++------ tests/ui/const-generics/opaque_types.rs | 1 + tests/ui/const-generics/opaque_types.stderr | 43 +++-- tests/ui/consts/const-fn-cycle.rs | 28 ++++ tests/ui/consts/const-fn-cycle.stderr | 34 ++++ .../const-promoted-opaque.atomic.stderr | 71 ++++++++ tests/ui/consts/const-promoted-opaque.rs | 40 +++++ .../const-promoted-opaque.string.stderr | 71 ++++++++ tests/ui/coroutine/layout-error.rs | 25 ++- tests/ui/coroutine/layout-error.stderr | 6 +- .../metadata-sufficient-for-layout.rs | 21 +-- .../metadata-sufficient-for-layout.stderr | 8 - .../future-no-bound-vars-ice-112347.rs | 10 +- tests/ui/impl-trait/issue-108592.rs | 10 +- tests/ui/impl-trait/issues/issue-70877.rs | 31 ++-- tests/ui/impl-trait/issues/issue-70877.stderr | 22 +-- tests/ui/impl-trait/issues/issue-77987.rs | 15 +- tests/ui/impl-trait/issues/issue-86800.rs | 3 + tests/ui/impl-trait/issues/issue-86800.stderr | 52 +++++- tests/ui/impl-trait/issues/issue-89312.rs | 23 ++- .../ui/impl-trait/normalize-tait-in-const.rs | 23 +-- .../impl-trait/normalize-tait-in-const.stderr | 10 +- ...ias-impl-trait-declaration-too-subtle-2.rs | 13 +- ...alias-impl-trait-declaration-too-subtle.rs | 1 + ...s-impl-trait-declaration-too-subtle.stderr | 21 ++- ...o_tait_defining_each_other2.current.stderr | 17 +- .../two_tait_defining_each_other2.rs | 3 +- .../type-alias-impl-trait-in-fn-body.rs | 4 +- .../type-alias-impl-trait-in-fn-body.stderr | 15 ++ tests/ui/mir/issue-75053.rs | 11 +- tests/ui/mir/issue-75053.stderr | 2 +- tests/ui/self/arbitrary-self-opaque.rs | 1 + tests/ui/self/arbitrary-self-opaque.stderr | 15 +- .../type-alias-impl-trait/argument-types.rs | 20 ++- .../assoc-projection-ice.rs | 23 ++- .../bounds-are-checked-2.rs | 11 +- .../bounds-are-checked-2.stderr | 10 +- .../closure-normalization-ice-109020.rs | 12 +- .../ui/type-alias-impl-trait/closure_args.rs | 28 ++-- .../ui/type-alias-impl-trait/closure_args2.rs | 36 ++-- .../const_generic_type.no_infer.stderr | 35 +++- .../const_generic_type.rs | 2 + .../type-alias-impl-trait/constrain_inputs.rs | 2 + .../constrain_inputs.stderr | 38 ++++- .../debug-ty-with-weak.rs | 12 +- .../failed-to-normalize-ice-99945.rs | 2 + .../failed-to-normalize-ice-99945.stderr | 32 +++- .../type-alias-impl-trait/hkl_forbidden4.rs | 2 + .../hkl_forbidden4.stderr | 34 +++- ...e-failed-to-resolve-instance-for-110696.rs | 4 +- ...iled-to-resolve-instance-for-110696.stderr | 30 +++- .../type-alias-impl-trait/implied_bounds.rs | 8 +- .../implied_bounds.stderr | 2 +- .../type-alias-impl-trait/implied_bounds2.rs | 16 +- .../implied_bounds_from_types.rs | 9 +- .../implied_bounds_from_types.stderr | 17 +- .../implied_lifetime_wf_check3.rs | 62 +++++-- .../implied_lifetime_wf_check3.stderr | 44 ++--- .../implied_lifetime_wf_check4_static.rs | 17 +- .../implied_lifetime_wf_check4_static.stderr | 32 ++-- .../ui/type-alias-impl-trait/issue-101750.rs | 20 ++- .../ui/type-alias-impl-trait/issue-109054.rs | 1 + .../type-alias-impl-trait/issue-109054.stderr | 17 +- tests/ui/type-alias-impl-trait/issue-53092.rs | 14 +- .../type-alias-impl-trait/issue-53092.stderr | 33 ++-- tests/ui/type-alias-impl-trait/issue-53096.rs | 9 +- .../type-alias-impl-trait/issue-53096.stderr | 2 +- tests/ui/type-alias-impl-trait/issue-58951.rs | 10 +- tests/ui/type-alias-impl-trait/issue-60407.rs | 13 +- .../type-alias-impl-trait/issue-60407.stderr | 2 +- tests/ui/type-alias-impl-trait/issue-63355.rs | 2 +- .../type-alias-impl-trait/issue-63355.stderr | 15 ++ ...sue-65679-inst-opaque-ty-from-val-twice.rs | 24 +-- tests/ui/type-alias-impl-trait/issue-65918.rs | 11 +- tests/ui/type-alias-impl-trait/issue-72793.rs | 22 ++- .../issue-76202-trait-impl-for-tait.rs | 9 +- .../issue-84660-unsoundness.current.stderr | 17 +- .../issue-84660-unsoundness.next.stderr | 3 +- .../issue-84660-unsoundness.rs | 1 + .../nested-tait-inference3.rs | 7 +- .../nested-tait-inference3.stderr | 15 +- tests/ui/type-alias-impl-trait/nested.rs | 1 + tests/ui/type-alias-impl-trait/nested.stderr | 17 +- .../nested_type_alias_impl_trait.rs | 1 + .../nested_type_alias_impl_trait.stderr | 17 +- .../no_inferrable_concrete_type.rs | 1 + .../no_inferrable_concrete_type.stderr | 15 +- .../normalize-alias-type.rs | 35 ++-- .../outlives-bound-var.rs | 9 +- .../recursive-tait-conflicting-defn.rs | 29 ++-- .../recursive-tait-conflicting-defn.stderr | 12 +- .../rpit_tait_equality_in_canonical_query.rs | 18 +- ...rpit_tait_equality_in_canonical_query_2.rs | 15 +- .../type-alias-impl-trait/self_implication.rs | 21 +-- .../structural-match-no-leak.rs | 14 +- .../structural-match-no-leak.stderr | 2 +- .../type-alias-impl-trait/structural-match.rs | 15 +- .../structural-match.stderr | 4 +- .../type-alias-impl-trait-fns.rs | 3 +- .../type-alias-impl-trait-fns.stderr | 15 ++ .../type-alias-impl-trait-tuple.next.stderr | 15 -- .../type-alias-impl-trait-tuple.rs | 22 +-- .../unbounded_opaque_type.rs | 11 +- .../underef-index-out-of-bounds-121472.rs | 17 +- .../underef-index-out-of-bounds-121472.stderr | 24 +-- .../type-alias-impl-trait/unnameable_type.rs | 7 +- .../unnameable_type.stderr | 24 +-- 116 files changed, 1524 insertions(+), 708 deletions(-) create mode 100644 tests/ui/consts/const-fn-cycle.rs create mode 100644 tests/ui/consts/const-fn-cycle.stderr create mode 100644 tests/ui/consts/const-promoted-opaque.atomic.stderr create mode 100644 tests/ui/consts/const-promoted-opaque.rs create mode 100644 tests/ui/consts/const-promoted-opaque.string.stderr delete mode 100644 tests/ui/coroutine/metadata-sufficient-for-layout.stderr create mode 100644 tests/ui/impl-trait/type-alias-impl-trait-in-fn-body.stderr create mode 100644 tests/ui/type-alias-impl-trait/issue-63355.stderr create mode 100644 tests/ui/type-alias-impl-trait/type-alias-impl-trait-fns.stderr delete mode 100644 tests/ui/type-alias-impl-trait/type-alias-impl-trait-tuple.next.stderr diff --git a/compiler/rustc_codegen_cranelift/example/issue-72793.rs b/compiler/rustc_codegen_cranelift/example/issue-72793.rs index 166b00600438..2e08fbca8ef2 100644 --- a/compiler/rustc_codegen_cranelift/example/issue-72793.rs +++ b/compiler/rustc_codegen_cranelift/example/issue-72793.rs @@ -2,20 +2,23 @@ #![feature(type_alias_impl_trait)] -trait T { - type Item; -} +mod helper { + pub trait T { + type Item; + } -type Alias<'a> = impl T; + pub type Alias<'a> = impl T; -struct S; -impl<'a> T for &'a S { - type Item = &'a (); -} + struct S; + impl<'a> T for &'a S { + type Item = &'a (); + } -fn filter_positive<'a>() -> Alias<'a> { - &S + pub fn filter_positive<'a>() -> Alias<'a> { + &S + } } +use helper::*; fn with_positive(fun: impl Fn(Alias<'_>)) { fun(filter_positive()); diff --git a/compiler/rustc_data_structures/src/obligation_forest/mod.rs b/compiler/rustc_data_structures/src/obligation_forest/mod.rs index d477b86da74e..3883b0736db0 100644 --- a/compiler/rustc_data_structures/src/obligation_forest/mod.rs +++ b/compiler/rustc_data_structures/src/obligation_forest/mod.rs @@ -146,8 +146,6 @@ pub enum ProcessResult { #[derive(Clone, Copy, PartialEq, Eq, Hash, Debug)] struct ObligationTreeId(usize); -type ObligationTreeIdGenerator = impl Iterator; - pub struct ObligationForest { /// The list of obligations. In between calls to [Self::process_obligations], /// this list only contains nodes in the `Pending` or `Waiting` state. @@ -310,18 +308,25 @@ pub struct Error { pub backtrace: Vec, } -impl ObligationForest { - pub fn new() -> ObligationForest { - ObligationForest { - nodes: vec![], - done_cache: Default::default(), - active_cache: Default::default(), - reused_node_vec: vec![], - obligation_tree_id_generator: (0..).map(ObligationTreeId), - error_cache: Default::default(), +mod helper { + use super::*; + pub type ObligationTreeIdGenerator = impl Iterator; + impl ObligationForest { + pub fn new() -> ObligationForest { + ObligationForest { + nodes: vec![], + done_cache: Default::default(), + active_cache: Default::default(), + reused_node_vec: vec![], + obligation_tree_id_generator: (0..).map(ObligationTreeId), + error_cache: Default::default(), + } } } +} +use helper::*; +impl ObligationForest { /// Returns the total number of nodes in the forest that have not /// yet been fully resolved. pub fn len(&self) -> usize { diff --git a/compiler/rustc_hir_analysis/messages.ftl b/compiler/rustc_hir_analysis/messages.ftl index 67959d9dfede..f697d331aa61 100644 --- a/compiler/rustc_hir_analysis/messages.ftl +++ b/compiler/rustc_hir_analysis/messages.ftl @@ -460,6 +460,10 @@ hir_analysis_static_specialize = cannot specialize on `'static` lifetime hir_analysis_tait_forward_compat = item constrains opaque type that is not in its signature .note = this item must mention the opaque type in its signature in order to be able to register hidden types +hir_analysis_tait_forward_compat2 = item does not constrain `{$opaque_type}`, but has it in its signature + .note = consider moving the opaque type's declaration and defining uses into a separate module + .opaque = this opaque type is in the signature + hir_analysis_target_feature_on_main = `main` function is not allowed to have `#[target_feature]` hir_analysis_too_large_static = extern static is too large for the current architecture diff --git a/compiler/rustc_hir_analysis/src/collect/type_of/opaque.rs b/compiler/rustc_hir_analysis/src/collect/type_of/opaque.rs index 1bec8c496ad1..2b2f07001d2f 100644 --- a/compiler/rustc_hir_analysis/src/collect/type_of/opaque.rs +++ b/compiler/rustc_hir_analysis/src/collect/type_of/opaque.rs @@ -8,7 +8,7 @@ use rustc_middle::hir::nested_filter; use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitableExt}; use rustc_span::{sym, ErrorGuaranteed, DUMMY_SP}; -use crate::errors::{TaitForwardCompat, TypeOf, UnconstrainedOpaqueType}; +use crate::errors::{TaitForwardCompat, TaitForwardCompat2, TypeOf, UnconstrainedOpaqueType}; pub fn test_opaque_hidden_types(tcx: TyCtxt<'_>) -> Result<(), ErrorGuaranteed> { let mut res = Ok(()); @@ -229,13 +229,14 @@ impl TaitConstraintLocator<'_> { return; } + let opaque_types_defined_by = self.tcx.opaque_types_defined_by(item_def_id); + let mut constrained = false; for (&opaque_type_key, &hidden_type) in &tables.concrete_opaque_types { if opaque_type_key.def_id != self.def_id { continue; } constrained = true; - let opaque_types_defined_by = self.tcx.opaque_types_defined_by(item_def_id); if !opaque_types_defined_by.contains(&self.def_id) { self.tcx.dcx().emit_err(TaitForwardCompat { @@ -259,6 +260,16 @@ impl TaitConstraintLocator<'_> { if !constrained { debug!("no constraints in typeck results"); + if opaque_types_defined_by.contains(&self.def_id) { + self.tcx.dcx().emit_err(TaitForwardCompat2 { + span: self + .tcx + .def_ident_span(item_def_id) + .unwrap_or_else(|| self.tcx.def_span(item_def_id)), + opaque_type_span: self.tcx.def_span(self.def_id), + opaque_type: self.tcx.def_path_str(self.def_id), + }); + } return; }; diff --git a/compiler/rustc_hir_analysis/src/errors.rs b/compiler/rustc_hir_analysis/src/errors.rs index 8a9d4cd4ac70..50e0e3722952 100644 --- a/compiler/rustc_hir_analysis/src/errors.rs +++ b/compiler/rustc_hir_analysis/src/errors.rs @@ -390,6 +390,17 @@ pub struct TaitForwardCompat { pub item_span: Span, } +#[derive(Diagnostic)] +#[diag(hir_analysis_tait_forward_compat2)] +#[note] +pub struct TaitForwardCompat2 { + #[primary_span] + pub span: Span, + #[note(hir_analysis_opaque)] + pub opaque_type_span: Span, + pub opaque_type: String, +} + pub struct MissingTypeParams { pub span: Span, pub def_span: Span, diff --git a/compiler/rustc_middle/src/mir/terminator.rs b/compiler/rustc_middle/src/mir/terminator.rs index f95afb199f7f..c8c12e205e11 100644 --- a/compiler/rustc_middle/src/mir/terminator.rs +++ b/compiler/rustc_middle/src/mir/terminator.rs @@ -377,9 +377,6 @@ pub struct Terminator<'tcx> { pub kind: TerminatorKind<'tcx>, } -pub type Successors<'a> = impl DoubleEndedIterator + 'a; -pub type SuccessorsMut<'a> = impl DoubleEndedIterator + 'a; - impl<'tcx> Terminator<'tcx> { #[inline] pub fn successors(&self) -> Successors<'_> { @@ -407,81 +404,95 @@ impl<'tcx> TerminatorKind<'tcx> { pub fn if_(cond: Operand<'tcx>, t: BasicBlock, f: BasicBlock) -> TerminatorKind<'tcx> { TerminatorKind::SwitchInt { discr: cond, targets: SwitchTargets::static_if(0, f, t) } } +} - #[inline] - pub fn successors(&self) -> Successors<'_> { - use self::TerminatorKind::*; - match *self { - Call { target: Some(ref t), unwind: UnwindAction::Cleanup(u), .. } - | Yield { resume: ref t, drop: Some(u), .. } - | Drop { target: ref t, unwind: UnwindAction::Cleanup(u), .. } - | Assert { target: ref t, unwind: UnwindAction::Cleanup(u), .. } - | FalseUnwind { real_target: ref t, unwind: UnwindAction::Cleanup(u) } => { - slice::from_ref(t).into_iter().copied().chain(Some(u)) +pub use helper::*; + +mod helper { + use super::*; + pub type Successors<'a> = impl DoubleEndedIterator + 'a; + pub type SuccessorsMut<'a> = impl DoubleEndedIterator + 'a; + impl<'tcx> TerminatorKind<'tcx> { + #[inline] + pub fn successors(&self) -> Successors<'_> { + use self::TerminatorKind::*; + match *self { + Call { target: Some(ref t), unwind: UnwindAction::Cleanup(u), .. } + | Yield { resume: ref t, drop: Some(u), .. } + | Drop { target: ref t, unwind: UnwindAction::Cleanup(u), .. } + | Assert { target: ref t, unwind: UnwindAction::Cleanup(u), .. } + | FalseUnwind { real_target: ref t, unwind: UnwindAction::Cleanup(u) } => { + slice::from_ref(t).into_iter().copied().chain(Some(u)) + } + Goto { target: ref t } + | Call { target: None, unwind: UnwindAction::Cleanup(ref t), .. } + | Call { target: Some(ref t), unwind: _, .. } + | Yield { resume: ref t, drop: None, .. } + | Drop { target: ref t, unwind: _, .. } + | Assert { target: ref t, unwind: _, .. } + | FalseUnwind { real_target: ref t, unwind: _ } => { + slice::from_ref(t).into_iter().copied().chain(None) + } + UnwindResume + | UnwindTerminate(_) + | CoroutineDrop + | Return + | Unreachable + | Call { target: None, unwind: _, .. } => (&[]).into_iter().copied().chain(None), + InlineAsm { ref targets, unwind: UnwindAction::Cleanup(u), .. } => { + targets.iter().copied().chain(Some(u)) + } + InlineAsm { ref targets, unwind: _, .. } => targets.iter().copied().chain(None), + SwitchInt { ref targets, .. } => targets.targets.iter().copied().chain(None), + FalseEdge { ref real_target, imaginary_target } => { + slice::from_ref(real_target).into_iter().copied().chain(Some(imaginary_target)) + } } - Goto { target: ref t } - | Call { target: None, unwind: UnwindAction::Cleanup(ref t), .. } - | Call { target: Some(ref t), unwind: _, .. } - | Yield { resume: ref t, drop: None, .. } - | Drop { target: ref t, unwind: _, .. } - | Assert { target: ref t, unwind: _, .. } - | FalseUnwind { real_target: ref t, unwind: _ } => { - slice::from_ref(t).into_iter().copied().chain(None) - } - UnwindResume - | UnwindTerminate(_) - | CoroutineDrop - | Return - | Unreachable - | Call { target: None, unwind: _, .. } => (&[]).into_iter().copied().chain(None), - InlineAsm { ref targets, unwind: UnwindAction::Cleanup(u), .. } => { - targets.iter().copied().chain(Some(u)) - } - InlineAsm { ref targets, unwind: _, .. } => targets.iter().copied().chain(None), - SwitchInt { ref targets, .. } => targets.targets.iter().copied().chain(None), - FalseEdge { ref real_target, imaginary_target } => { - slice::from_ref(real_target).into_iter().copied().chain(Some(imaginary_target)) - } - } - } - - #[inline] - pub fn successors_mut(&mut self) -> SuccessorsMut<'_> { - use self::TerminatorKind::*; - match *self { - Call { target: Some(ref mut t), unwind: UnwindAction::Cleanup(ref mut u), .. } - | Yield { resume: ref mut t, drop: Some(ref mut u), .. } - | Drop { target: ref mut t, unwind: UnwindAction::Cleanup(ref mut u), .. } - | Assert { target: ref mut t, unwind: UnwindAction::Cleanup(ref mut u), .. } - | FalseUnwind { real_target: ref mut t, unwind: UnwindAction::Cleanup(ref mut u) } => { - slice::from_mut(t).into_iter().chain(Some(u)) - } - Goto { target: ref mut t } - | Call { target: None, unwind: UnwindAction::Cleanup(ref mut t), .. } - | Call { target: Some(ref mut t), unwind: _, .. } - | Yield { resume: ref mut t, drop: None, .. } - | Drop { target: ref mut t, unwind: _, .. } - | Assert { target: ref mut t, unwind: _, .. } - | FalseUnwind { real_target: ref mut t, unwind: _ } => { - slice::from_mut(t).into_iter().chain(None) - } - UnwindResume - | UnwindTerminate(_) - | CoroutineDrop - | Return - | Unreachable - | Call { target: None, unwind: _, .. } => (&mut []).into_iter().chain(None), - InlineAsm { ref mut targets, unwind: UnwindAction::Cleanup(ref mut u), .. } => { - targets.iter_mut().chain(Some(u)) - } - InlineAsm { ref mut targets, unwind: _, .. } => targets.iter_mut().chain(None), - SwitchInt { ref mut targets, .. } => targets.targets.iter_mut().chain(None), - FalseEdge { ref mut real_target, ref mut imaginary_target } => { - slice::from_mut(real_target).into_iter().chain(Some(imaginary_target)) + } + + #[inline] + pub fn successors_mut(&mut self) -> SuccessorsMut<'_> { + use self::TerminatorKind::*; + match *self { + Call { + target: Some(ref mut t), unwind: UnwindAction::Cleanup(ref mut u), .. + } + | Yield { resume: ref mut t, drop: Some(ref mut u), .. } + | Drop { target: ref mut t, unwind: UnwindAction::Cleanup(ref mut u), .. } + | Assert { target: ref mut t, unwind: UnwindAction::Cleanup(ref mut u), .. } + | FalseUnwind { + real_target: ref mut t, + unwind: UnwindAction::Cleanup(ref mut u), + } => slice::from_mut(t).into_iter().chain(Some(u)), + Goto { target: ref mut t } + | Call { target: None, unwind: UnwindAction::Cleanup(ref mut t), .. } + | Call { target: Some(ref mut t), unwind: _, .. } + | Yield { resume: ref mut t, drop: None, .. } + | Drop { target: ref mut t, unwind: _, .. } + | Assert { target: ref mut t, unwind: _, .. } + | FalseUnwind { real_target: ref mut t, unwind: _ } => { + slice::from_mut(t).into_iter().chain(None) + } + UnwindResume + | UnwindTerminate(_) + | CoroutineDrop + | Return + | Unreachable + | Call { target: None, unwind: _, .. } => (&mut []).into_iter().chain(None), + InlineAsm { ref mut targets, unwind: UnwindAction::Cleanup(ref mut u), .. } => { + targets.iter_mut().chain(Some(u)) + } + InlineAsm { ref mut targets, unwind: _, .. } => targets.iter_mut().chain(None), + SwitchInt { ref mut targets, .. } => targets.targets.iter_mut().chain(None), + FalseEdge { ref mut real_target, ref mut imaginary_target } => { + slice::from_mut(real_target).into_iter().chain(Some(imaginary_target)) + } } } } +} +impl<'tcx> TerminatorKind<'tcx> { #[inline] pub fn unwind(&self) -> Option<&UnwindAction> { match *self { diff --git a/library/std/src/backtrace.rs b/library/std/src/backtrace.rs index 475b3e7eb931..e3e0cde8afea 100644 --- a/library/std/src/backtrace.rs +++ b/library/std/src/backtrace.rs @@ -428,39 +428,43 @@ impl fmt::Display for Backtrace { } } -type LazyResolve = impl (FnOnce() -> Capture) + Send + Sync + UnwindSafe; +mod helper { + use super::*; + pub(super) type LazyResolve = impl (FnOnce() -> Capture) + Send + Sync + UnwindSafe; -fn lazy_resolve(mut capture: Capture) -> LazyResolve { - move || { - // Use the global backtrace lock to synchronize this as it's a - // requirement of the `backtrace` crate, and then actually resolve - // everything. - let _lock = lock(); - for frame in capture.frames.iter_mut() { - let symbols = &mut frame.symbols; - let frame = match &frame.frame { - RawFrame::Actual(frame) => frame, - #[cfg(test)] - RawFrame::Fake => unimplemented!(), - }; - unsafe { - backtrace_rs::resolve_frame_unsynchronized(frame, |symbol| { - symbols.push(BacktraceSymbol { - name: symbol.name().map(|m| m.as_bytes().to_vec()), - filename: symbol.filename_raw().map(|b| match b { - BytesOrWideString::Bytes(b) => BytesOrWide::Bytes(b.to_owned()), - BytesOrWideString::Wide(b) => BytesOrWide::Wide(b.to_owned()), - }), - lineno: symbol.lineno(), - colno: symbol.colno(), + pub(super) fn lazy_resolve(mut capture: Capture) -> LazyResolve { + move || { + // Use the global backtrace lock to synchronize this as it's a + // requirement of the `backtrace` crate, and then actually resolve + // everything. + let _lock = lock(); + for frame in capture.frames.iter_mut() { + let symbols = &mut frame.symbols; + let frame = match &frame.frame { + RawFrame::Actual(frame) => frame, + #[cfg(test)] + RawFrame::Fake => unimplemented!(), + }; + unsafe { + backtrace_rs::resolve_frame_unsynchronized(frame, |symbol| { + symbols.push(BacktraceSymbol { + name: symbol.name().map(|m| m.as_bytes().to_vec()), + filename: symbol.filename_raw().map(|b| match b { + BytesOrWideString::Bytes(b) => BytesOrWide::Bytes(b.to_owned()), + BytesOrWideString::Wide(b) => BytesOrWide::Wide(b.to_owned()), + }), + lineno: symbol.lineno(), + colno: symbol.colno(), + }); }); - }); + } } - } - capture + capture + } } } +use helper::*; impl RawFrame { fn ip(&self) -> *mut c_void { diff --git a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-const-generics.rs b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-const-generics.rs index 25dba97962ae..3edc68e13474 100644 --- a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-const-generics.rs +++ b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-const-generics.rs @@ -9,15 +9,18 @@ extern crate core; -pub type Type1 = impl Send; +mod defining_module { + pub type Type1 = impl Send; -pub fn foo() -where - Type1: 'static, -{ - pub struct Foo([T; N]); - let _: Type1 = Foo([0; 32]); + pub fn foo() + where + Type1: 'static, + { + pub struct Foo([T; N]); + let _: Type1 = Foo([0; 32]); + } } +use defining_module::*; pub fn foo1(_: Type1) {} // CHECK: define{{.*}}4foo1{{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} @@ -26,6 +29,6 @@ pub fn foo2(_: Type1, _: Type1) {} pub fn foo3(_: Type1, _: Type1, _: Type1) {} // CHECK: define{{.*}}4foo3{{.*}}!type ![[TYPE3:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -// CHECK: ![[TYPE1]] = !{i64 0, !"_ZTSFvu{{[0-9]+}}NtNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo3FooIu3i32Lu5usize32EEE"} -// CHECK: ![[TYPE2]] = !{i64 0, !"_ZTSFvu{{[0-9]+}}NtNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo3FooIu3i32Lu5usize32EES2_E"} -// CHECK: ![[TYPE3]] = !{i64 0, !"_ZTSFvu{{[0-9]+}}NtNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo3FooIu3i32Lu5usize32EES2_S2_E"} +// CHECK: ![[TYPE1]] = !{i64 0, !"_ZTSFvu{{[0-9]+}}NtNvNtC{{[[:print:]]+}}_{{[[:print:]]+}}15defining_module3foo3FooIu3i32Lu5usize32EEE"} +// CHECK: ![[TYPE2]] = !{i64 0, !"_ZTSFvu{{[0-9]+}}NtNvNtC{{[[:print:]]+}}_{{[[:print:]]+}}15defining_module3foo3FooIu3i32Lu5usize32EES2_E"} +// CHECK: ![[TYPE3]] = !{i64 0, !"_ZTSFvu{{[0-9]+}}NtNvNtC{{[[:print:]]+}}_{{[[:print:]]+}}15defining_module3foo3FooIu3i32Lu5usize32EES2_S2_E"} diff --git a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-lifetimes.rs b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-lifetimes.rs index 3ef119fd905a..09cfd2e10d6e 100644 --- a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-lifetimes.rs +++ b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-lifetimes.rs @@ -9,17 +9,22 @@ extern crate core; -pub type Type1 = impl Send; +mod defining_module { -pub fn foo<'a>() -where - Type1: 'static, -{ - pub struct Foo<'a>(&'a i32); - pub struct Bar<'a, 'b>(&'a i32, &'b Foo<'b>); - let _: Type1 = Bar; + pub type Type1 = impl Send; + + pub fn foo<'a>() + where + Type1: 'static, + { + pub struct Foo<'a>(&'a i32); + pub struct Bar<'a, 'b>(&'a i32, &'b Foo<'b>); + let _: Type1 = Bar; + } } +use defining_module::*; + pub fn foo1(_: Type1) {} // CHECK: define{{.*}}4foo1{{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} pub fn foo2(_: Type1, _: Type1) {} diff --git a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-paths.rs b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-paths.rs index 9870ecc69baf..ffbfe021ba3e 100644 --- a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-paths.rs +++ b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-paths.rs @@ -9,45 +9,47 @@ extern crate core; -pub type Type1 = impl Send; -pub type Type2 = impl Send; -pub type Type3 = impl Send; -pub type Type4 = impl Send; +mod defining_module { + pub type Type1 = impl Send; + pub type Type2 = impl Send; + pub type Type3 = impl Send; + pub type Type4 = impl Send; -pub fn foo() -where - Type1: 'static, - Type2: 'static, - Type3: 'static, - Type4: 'static, -{ - // Type in extern path - extern "C" { - fn bar(); - } - let _: Type1 = bar; - - // Type in closure path - || { - pub struct Foo; - let _: Type2 = Foo; - }; - - // Type in const path - const { - pub struct Foo; - fn bar() -> Type3 { - Foo + pub fn foo() + where + Type1: 'static, + Type2: 'static, + Type4: 'static, + { + // Type in extern path + extern "C" { + fn bar(); } - }; + let _: Type1 = bar; - // Type in impl path - struct Foo; - impl Foo { - fn bar(&self) {} + // Type in closure path + || { + pub struct Foo; + let _: Type2 = Foo; + }; + + // Type in const path + const { + pub struct Foo; + fn bar() -> Type3 { + Foo + } + }; + + // Type in impl path + struct Foo; + impl Foo { + fn bar(&self) {} + } + let _: Type4 = ::bar; } - let _: Type4 = ::bar; } +use defining_module::*; // Force arguments to be passed by using a reference. Otherwise, they may end up PassMode::Ignore @@ -76,15 +78,15 @@ pub fn foo11(_: &Type4, _: &Type4) {} pub fn foo12(_: &Type4, _: &Type4, _: &Type4) {} // CHECK: define{{.*}}5foo12{{.*}}!type ![[TYPE12:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -// CHECK: ![[TYPE1]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NvNFNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo10{{[{}][{}]}}extern{{[}][}]}}3barEE"} -// CHECK: ![[TYPE2]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NvNFNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo10{{[{}][{}]}}extern{{[}][}]}}3barES0_E"} -// CHECK: ![[TYPE3]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NvNFNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo10{{[{}][{}]}}extern{{[}][}]}}3barES0_S0_E"} -// CHECK: ![[TYPE4]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NtNCNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo11{{[{}][{}]}}closure{{[}][}]}}3FooEE"} -// CHECK: ![[TYPE5]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NtNCNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo11{{[{}][{}]}}closure{{[}][}]}}3FooES0_E"} -// CHECK: ![[TYPE6]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NtNCNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo11{{[{}][{}]}}closure{{[}][}]}}3FooES0_S0_E"} -// CHECK: ![[TYPE7]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NtNkNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo12{{[{}][{}]}}constant{{[}][}]}}3FooEE"} -// CHECK: ![[TYPE8]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NtNkNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo12{{[{}][{}]}}constant{{[}][}]}}3FooES0_E"} -// CHECK: ![[TYPE9]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NtNkNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo12{{[{}][{}]}}constant{{[}][}]}}3FooES0_S0_E"} -// CHECK: ![[TYPE10]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NvNINvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo8{{[{}][{}]}}impl{{[}][}]}}3barEE"} -// CHECK: ![[TYPE11]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NvNINvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo8{{[{}][{}]}}impl{{[}][}]}}3barES0_E"} -// CHECK: ![[TYPE12]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NvNINvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo8{{[{}][{}]}}impl{{[}][}]}}3barES0_S0_E"} +// CHECK: ![[TYPE1]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NvNFNvNtC{{[[:print:]]+}}_{{[[:print:]]+}}15defining_module3foo10{{[{}][{}]}}extern{{[}][}]}}3barEE"} +// CHECK: ![[TYPE2]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NvNFNvNtC{{[[:print:]]+}}_{{[[:print:]]+}}15defining_module3foo10{{[{}][{}]}}extern{{[}][}]}}3barES0_E"} +// CHECK: ![[TYPE3]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NvNFNvNtC{{[[:print:]]+}}_{{[[:print:]]+}}15defining_module3foo10{{[{}][{}]}}extern{{[}][}]}}3barES0_S0_E"} +// CHECK: ![[TYPE4]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NtNCNvNtC{{[[:print:]]+}}_{{[[:print:]]+}}15defining_module3foo11{{[{}][{}]}}closure{{[}][}]}}3FooEE"} +// CHECK: ![[TYPE5]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NtNCNvNtC{{[[:print:]]+}}_{{[[:print:]]+}}15defining_module3foo11{{[{}][{}]}}closure{{[}][}]}}3FooES0_E"} +// CHECK: ![[TYPE6]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NtNCNvNtC{{[[:print:]]+}}_{{[[:print:]]+}}15defining_module3foo11{{[{}][{}]}}closure{{[}][}]}}3FooES0_S0_E"} +// CHECK: ![[TYPE7]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NtNkNvNtC{{[[:print:]]+}}_{{[[:print:]]+}}15defining_module3foo12{{[{}][{}]}}constant{{[}][}]}}3FooEE"} +// CHECK: ![[TYPE8]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NtNkNvNtC{{[[:print:]]+}}_{{[[:print:]]+}}15defining_module3foo12{{[{}][{}]}}constant{{[}][}]}}3FooES0_E"} +// CHECK: ![[TYPE9]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NtNkNvNtC{{[[:print:]]+}}_{{[[:print:]]+}}15defining_module3foo12{{[{}][{}]}}constant{{[}][}]}}3FooES0_S0_E"} +// CHECK: ![[TYPE10]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NvNINvNtC{{[[:print:]]+}}_{{[[:print:]]+}}15defining_module3foo8{{[{}][{}]}}impl{{[}][}]}}3barEE"} +// CHECK: ![[TYPE11]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NvNINvNtC{{[[:print:]]+}}_{{[[:print:]]+}}15defining_module3foo8{{[{}][{}]}}impl{{[}][}]}}3barES0_E"} +// CHECK: ![[TYPE12]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NvNINvNtC{{[[:print:]]+}}_{{[[:print:]]+}}15defining_module3foo8{{[{}][{}]}}impl{{[}][}]}}3barES0_S0_E"} diff --git a/tests/ui/const-generics/opaque_types.rs b/tests/ui/const-generics/opaque_types.rs index ccf70f4fb37b..2c7170c889fb 100644 --- a/tests/ui/const-generics/opaque_types.rs +++ b/tests/ui/const-generics/opaque_types.rs @@ -6,6 +6,7 @@ type Foo = impl Sized; fn foo() {} //~^ ERROR: `Foo` is forbidden as the type of a const generic parameter +//~| ERROR: item does not constrain fn main() { foo::<42>(); diff --git a/tests/ui/const-generics/opaque_types.stderr b/tests/ui/const-generics/opaque_types.stderr index f03bca69a8bb..2c7384984c69 100644 --- a/tests/ui/const-generics/opaque_types.stderr +++ b/tests/ui/const-generics/opaque_types.stderr @@ -1,5 +1,18 @@ +error: item does not constrain `Foo::{opaque#0}`, but has it in its signature + --> $DIR/opaque_types.rs:7:4 + | +LL | fn foo() {} + | ^^^ + | + = note: consider moving the opaque type's declaration and defining uses into a separate module +note: this opaque type is in the signature + --> $DIR/opaque_types.rs:3:12 + | +LL | type Foo = impl Sized; + | ^^^^^^^^^^ + error[E0308]: mismatched types - --> $DIR/opaque_types.rs:11:11 + --> $DIR/opaque_types.rs:12:11 | LL | type Foo = impl Sized; | ---------- the expected opaque type @@ -22,27 +35,27 @@ note: ...which requires computing type of opaque `Foo::{opaque#0}`... LL | type Foo = impl Sized; | ^^^^^^^^^^ note: ...which requires type-checking `main`... - --> $DIR/opaque_types.rs:10:1 + --> $DIR/opaque_types.rs:11:1 | LL | fn main() { | ^^^^^^^^^ note: ...which requires evaluating type-level constant... - --> $DIR/opaque_types.rs:11:11 + --> $DIR/opaque_types.rs:12:11 | LL | foo::<42>(); | ^^ note: ...which requires const-evaluating + checking `main::{constant#0}`... - --> $DIR/opaque_types.rs:11:11 + --> $DIR/opaque_types.rs:12:11 | LL | foo::<42>(); | ^^ note: ...which requires caching mir of `main::{constant#0}` for CTFE... - --> $DIR/opaque_types.rs:11:11 + --> $DIR/opaque_types.rs:12:11 | LL | foo::<42>(); | ^^ note: ...which requires elaborating drops for `main::{constant#0}`... - --> $DIR/opaque_types.rs:11:11 + --> $DIR/opaque_types.rs:12:11 | LL | foo::<42>(); | ^^ @@ -70,42 +83,42 @@ LL | type Foo = impl Sized; | ^^^^^^^^^^ | note: ...which requires type-checking `main`... - --> $DIR/opaque_types.rs:10:1 + --> $DIR/opaque_types.rs:11:1 | LL | fn main() { | ^^^^^^^^^ note: ...which requires evaluating type-level constant... - --> $DIR/opaque_types.rs:11:11 + --> $DIR/opaque_types.rs:12:11 | LL | foo::<42>(); | ^^ note: ...which requires const-evaluating + checking `main::{constant#0}`... - --> $DIR/opaque_types.rs:11:11 + --> $DIR/opaque_types.rs:12:11 | LL | foo::<42>(); | ^^ note: ...which requires caching mir of `main::{constant#0}` for CTFE... - --> $DIR/opaque_types.rs:11:11 + --> $DIR/opaque_types.rs:12:11 | LL | foo::<42>(); | ^^ note: ...which requires elaborating drops for `main::{constant#0}`... - --> $DIR/opaque_types.rs:11:11 + --> $DIR/opaque_types.rs:12:11 | LL | foo::<42>(); | ^^ note: ...which requires borrow-checking `main::{constant#0}`... - --> $DIR/opaque_types.rs:11:11 + --> $DIR/opaque_types.rs:12:11 | LL | foo::<42>(); | ^^ note: ...which requires promoting constants in MIR for `main::{constant#0}`... - --> $DIR/opaque_types.rs:11:11 + --> $DIR/opaque_types.rs:12:11 | LL | foo::<42>(); | ^^ note: ...which requires const checking `main::{constant#0}`... - --> $DIR/opaque_types.rs:11:11 + --> $DIR/opaque_types.rs:12:11 | LL | foo::<42>(); | ^^ @@ -119,7 +132,7 @@ LL | type Foo = impl Sized; | ^^^^^^^^^^ = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information -error: aborting due to 4 previous errors +error: aborting due to 5 previous errors Some errors have detailed explanations: E0308, E0391. For more information about an error, try `rustc --explain E0308`. diff --git a/tests/ui/consts/const-fn-cycle.rs b/tests/ui/consts/const-fn-cycle.rs new file mode 100644 index 000000000000..5175296a53e5 --- /dev/null +++ b/tests/ui/consts/const-fn-cycle.rs @@ -0,0 +1,28 @@ +/// Discovered in https://github.com/rust-lang/rust/issues/112602. +/// This caused a cycle error, which made no sense. +/// Removing the `const` part of the `many` function would make the +/// test pass again. +/// The issue was that we were running const qualif checks on +/// `const fn`s, but never using them. During const qualif checks we tend +/// to end up revealing opaque types (the RPIT in `many`'s return type), +/// which can quickly lead to cycles. + +pub struct Parser(H); + +impl Parser +where + H: for<'a> Fn(&'a str) -> T, +{ + pub const fn new(handler: H) -> Parser { + Parser(handler) + } + + pub const fn many<'s>(&'s self) -> Parser Fn(&'a str) -> Vec + 's> { + //~^ ERROR: cycle detected + Parser::new(|_| unimplemented!()) + } +} + +fn main() { + println!("Hello, world!"); +} diff --git a/tests/ui/consts/const-fn-cycle.stderr b/tests/ui/consts/const-fn-cycle.stderr new file mode 100644 index 000000000000..c851f7342be9 --- /dev/null +++ b/tests/ui/consts/const-fn-cycle.stderr @@ -0,0 +1,34 @@ +error[E0391]: cycle detected when computing type of opaque `::many::{opaque#0}` + --> $DIR/const-fn-cycle.rs:20:47 + | +LL | pub const fn many<'s>(&'s self) -> Parser Fn(&'a str) -> Vec + 's> { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +note: ...which requires borrow-checking `::many`... + --> $DIR/const-fn-cycle.rs:20:5 + | +LL | pub const fn many<'s>(&'s self) -> Parser Fn(&'a str) -> Vec + 's> { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +note: ...which requires promoting constants in MIR for `::many`... + --> $DIR/const-fn-cycle.rs:20:5 + | +LL | pub const fn many<'s>(&'s self) -> Parser Fn(&'a str) -> Vec + 's> { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +note: ...which requires const checking `::many`... + --> $DIR/const-fn-cycle.rs:20:5 + | +LL | pub const fn many<'s>(&'s self) -> Parser Fn(&'a str) -> Vec + 's> { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + = note: ...which requires computing whether `Parser<::many::{opaque#0}>` is freeze... + = note: ...which requires evaluating trait selection obligation `Parser<::many::{opaque#0}>: core::marker::Freeze`... + = note: ...which again requires computing type of opaque `::many::{opaque#0}`, completing the cycle +note: cycle used when computing type of `::many::{opaque#0}` + --> $DIR/const-fn-cycle.rs:20:47 + | +LL | pub const fn many<'s>(&'s self) -> Parser Fn(&'a str) -> Vec + 's> { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0391`. diff --git a/tests/ui/consts/const-promoted-opaque.atomic.stderr b/tests/ui/consts/const-promoted-opaque.atomic.stderr new file mode 100644 index 000000000000..a0459f4040ec --- /dev/null +++ b/tests/ui/consts/const-promoted-opaque.atomic.stderr @@ -0,0 +1,71 @@ +error[E0658]: cannot borrow here, since the borrowed element may contain interior mutability + --> $DIR/const-promoted-opaque.rs:29:25 + | +LL | let _: &'static _ = &FOO; + | ^^^^ + | + = note: see issue #80384 for more information + = help: add `#![feature(const_refs_to_cell)]` to the crate attributes to enable + = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date + +error[E0493]: destructor of `helper::Foo` cannot be evaluated at compile-time + --> $DIR/const-promoted-opaque.rs:29:26 + | +LL | let _: &'static _ = &FOO; + | ^^^ the destructor for this type cannot be evaluated in constants +... +LL | }; + | - value is dropped here + +error[E0492]: constants cannot refer to interior mutable data + --> $DIR/const-promoted-opaque.rs:34:19 + | +LL | const BAZ: &Foo = &FOO; + | ^^^^ this borrow of an interior mutable value may end up in the final value + +error[E0716]: temporary value dropped while borrowed + --> $DIR/const-promoted-opaque.rs:38:26 + | +LL | let _: &'static _ = &FOO; + | ---------- ^^^ creates a temporary value which is freed while still in use + | | + | type annotation requires that borrow lasts for `'static` +LL | +LL | } + | - temporary value is freed at the end of this statement + +error[E0391]: cycle detected when computing type of opaque `helper::Foo::{opaque#0}` + --> $DIR/const-promoted-opaque.rs:14:20 + | +LL | pub type Foo = impl Sized; + | ^^^^^^^^^^ + | +note: ...which requires borrow-checking `helper::FOO`... + --> $DIR/const-promoted-opaque.rs:21:5 + | +LL | pub const FOO: Foo = std::sync::atomic::AtomicU8::new(42); + | ^^^^^^^^^^^^^^^^^^ +note: ...which requires promoting constants in MIR for `helper::FOO`... + --> $DIR/const-promoted-opaque.rs:21:5 + | +LL | pub const FOO: Foo = std::sync::atomic::AtomicU8::new(42); + | ^^^^^^^^^^^^^^^^^^ +note: ...which requires const checking `helper::FOO`... + --> $DIR/const-promoted-opaque.rs:21:5 + | +LL | pub const FOO: Foo = std::sync::atomic::AtomicU8::new(42); + | ^^^^^^^^^^^^^^^^^^ + = note: ...which requires computing whether `helper::Foo` is freeze... + = note: ...which requires evaluating trait selection obligation `helper::Foo: core::marker::Freeze`... + = note: ...which again requires computing type of opaque `helper::Foo::{opaque#0}`, completing the cycle +note: cycle used when computing type of `helper::Foo::{opaque#0}` + --> $DIR/const-promoted-opaque.rs:14:20 + | +LL | pub type Foo = impl Sized; + | ^^^^^^^^^^ + = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information + +error: aborting due to 5 previous errors + +Some errors have detailed explanations: E0391, E0492, E0493, E0658, E0716. +For more information about an error, try `rustc --explain E0391`. diff --git a/tests/ui/consts/const-promoted-opaque.rs b/tests/ui/consts/const-promoted-opaque.rs new file mode 100644 index 000000000000..e20823527f48 --- /dev/null +++ b/tests/ui/consts/const-promoted-opaque.rs @@ -0,0 +1,40 @@ +//@revisions: string unit atomic +#![feature(type_alias_impl_trait)] + +//! Check that we do not cause cycle errors when trying to +//! obtain information about interior mutability of an opaque type. +//! This used to happen, because when the body-analysis failed, we +//! checked the type instead, but the constant was also defining the +//! hidden type of the opaque type. Thus we ended up relying on the +//! result of our analysis to compute the result of our analysis. + +//@[unit] check-pass + +mod helper { + pub type Foo = impl Sized; + //[string,atomic]~^ ERROR cycle detected + + #[cfg(string)] + pub const FOO: Foo = String::new(); + + #[cfg(atomic)] + pub const FOO: Foo = std::sync::atomic::AtomicU8::new(42); + + #[cfg(unit)] + pub const FOO: Foo = (); +} +use helper::*; + +const BAR: () = { + let _: &'static _ = &FOO; + //[string,atomic]~^ ERROR: destructor of `helper::Foo` cannot be evaluated at compile-time + //[string,atomic]~| ERROR: cannot borrow here +}; + +const BAZ: &Foo = &FOO; +//[string,atomic]~^ ERROR: constants cannot refer to interior mutable data + +fn main() { + let _: &'static _ = &FOO; + //[string,atomic]~^ ERROR: temporary value dropped while borrowed +} diff --git a/tests/ui/consts/const-promoted-opaque.string.stderr b/tests/ui/consts/const-promoted-opaque.string.stderr new file mode 100644 index 000000000000..a613d517e68e --- /dev/null +++ b/tests/ui/consts/const-promoted-opaque.string.stderr @@ -0,0 +1,71 @@ +error[E0658]: cannot borrow here, since the borrowed element may contain interior mutability + --> $DIR/const-promoted-opaque.rs:29:25 + | +LL | let _: &'static _ = &FOO; + | ^^^^ + | + = note: see issue #80384 for more information + = help: add `#![feature(const_refs_to_cell)]` to the crate attributes to enable + = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date + +error[E0493]: destructor of `helper::Foo` cannot be evaluated at compile-time + --> $DIR/const-promoted-opaque.rs:29:26 + | +LL | let _: &'static _ = &FOO; + | ^^^ the destructor for this type cannot be evaluated in constants +... +LL | }; + | - value is dropped here + +error[E0492]: constants cannot refer to interior mutable data + --> $DIR/const-promoted-opaque.rs:34:19 + | +LL | const BAZ: &Foo = &FOO; + | ^^^^ this borrow of an interior mutable value may end up in the final value + +error[E0716]: temporary value dropped while borrowed + --> $DIR/const-promoted-opaque.rs:38:26 + | +LL | let _: &'static _ = &FOO; + | ---------- ^^^ creates a temporary value which is freed while still in use + | | + | type annotation requires that borrow lasts for `'static` +LL | +LL | } + | - temporary value is freed at the end of this statement + +error[E0391]: cycle detected when computing type of opaque `helper::Foo::{opaque#0}` + --> $DIR/const-promoted-opaque.rs:14:20 + | +LL | pub type Foo = impl Sized; + | ^^^^^^^^^^ + | +note: ...which requires borrow-checking `helper::FOO`... + --> $DIR/const-promoted-opaque.rs:18:5 + | +LL | pub const FOO: Foo = String::new(); + | ^^^^^^^^^^^^^^^^^^ +note: ...which requires promoting constants in MIR for `helper::FOO`... + --> $DIR/const-promoted-opaque.rs:18:5 + | +LL | pub const FOO: Foo = String::new(); + | ^^^^^^^^^^^^^^^^^^ +note: ...which requires const checking `helper::FOO`... + --> $DIR/const-promoted-opaque.rs:18:5 + | +LL | pub const FOO: Foo = String::new(); + | ^^^^^^^^^^^^^^^^^^ + = note: ...which requires computing whether `helper::Foo` is freeze... + = note: ...which requires evaluating trait selection obligation `helper::Foo: core::marker::Freeze`... + = note: ...which again requires computing type of opaque `helper::Foo::{opaque#0}`, completing the cycle +note: cycle used when computing type of `helper::Foo::{opaque#0}` + --> $DIR/const-promoted-opaque.rs:14:20 + | +LL | pub type Foo = impl Sized; + | ^^^^^^^^^^ + = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information + +error: aborting due to 5 previous errors + +Some errors have detailed explanations: E0391, E0492, E0493, E0658, E0716. +For more information about an error, try `rustc --explain E0391`. diff --git a/tests/ui/coroutine/layout-error.rs b/tests/ui/coroutine/layout-error.rs index 70a0248eabcc..3e26cf17d29e 100644 --- a/tests/ui/coroutine/layout-error.rs +++ b/tests/ui/coroutine/layout-error.rs @@ -16,13 +16,22 @@ impl Task { } } -fn main() { - async fn cb() { - let a = Foo; //~ ERROR cannot find value `Foo` in this scope - } +mod helper { + use super::*; + pub type F = impl Future; + fn foo() + where + F:, + { + async fn cb() { + let a = Foo; //~ ERROR cannot find value `Foo` in this scope + } - type F = impl Future; - // Check that statics are inhabited computes they layout. - static POOL: Task = Task::new(); - Task::spawn(&POOL, || cb()); + Task::spawn(&POOL, || cb()); + } } + +// Check that statics are inhabited computes they layout. +static POOL: Task = Task::new(); + +fn main() {} diff --git a/tests/ui/coroutine/layout-error.stderr b/tests/ui/coroutine/layout-error.stderr index 249a99e9b85c..ceadb62c9998 100644 --- a/tests/ui/coroutine/layout-error.stderr +++ b/tests/ui/coroutine/layout-error.stderr @@ -1,8 +1,8 @@ error[E0425]: cannot find value `Foo` in this scope - --> $DIR/layout-error.rs:21:17 + --> $DIR/layout-error.rs:27:21 | -LL | let a = Foo; - | ^^^ not found in this scope +LL | let a = Foo; + | ^^^ not found in this scope error: aborting due to 1 previous error diff --git a/tests/ui/coroutine/metadata-sufficient-for-layout.rs b/tests/ui/coroutine/metadata-sufficient-for-layout.rs index 23937e12c521..9c3a7e4378e3 100644 --- a/tests/ui/coroutine/metadata-sufficient-for-layout.rs +++ b/tests/ui/coroutine/metadata-sufficient-for-layout.rs @@ -4,22 +4,23 @@ // Regression test for #80998. // //@ aux-build:metadata-sufficient-for-layout.rs +//@ check-pass #![feature(type_alias_impl_trait, rustc_attrs)] #![feature(coroutine_trait)] extern crate metadata_sufficient_for_layout; -use std::ops::Coroutine; +mod helper { + use std::ops::Coroutine; + pub type F = impl Coroutine<(), Yield = (), Return = ()>; -type F = impl Coroutine<(), Yield = (), Return = ()>; - -// Static queries the layout of the coroutine. -static A: Option = None; - -fn f() -> F { - metadata_sufficient_for_layout::g() + fn f() -> F { + metadata_sufficient_for_layout::g() + } } -#[rustc_error] -fn main() {} //~ ERROR +// Static queries the layout of the coroutine. +static A: Option = None; + +fn main() {} diff --git a/tests/ui/coroutine/metadata-sufficient-for-layout.stderr b/tests/ui/coroutine/metadata-sufficient-for-layout.stderr deleted file mode 100644 index c7860fde2a9f..000000000000 --- a/tests/ui/coroutine/metadata-sufficient-for-layout.stderr +++ /dev/null @@ -1,8 +0,0 @@ -error: fatal error triggered by #[rustc_error] - --> $DIR/metadata-sufficient-for-layout.rs:25:1 - | -LL | fn main() {} - | ^^^^^^^^^ - -error: aborting due to 1 previous error - diff --git a/tests/ui/impl-trait/future-no-bound-vars-ice-112347.rs b/tests/ui/impl-trait/future-no-bound-vars-ice-112347.rs index dc4dc9e220d5..af623dc7cd9d 100644 --- a/tests/ui/impl-trait/future-no-bound-vars-ice-112347.rs +++ b/tests/ui/impl-trait/future-no-bound-vars-ice-112347.rs @@ -7,11 +7,15 @@ use std::future::Future; -type Fut<'a> = impl Future + 'a; +mod foo { + use std::future::Future; + pub type Fut<'a> = impl Future + 'a; -fn foo<'a>(_: &()) -> Fut<'_> { - async {} + fn foo<'a>(_: &()) -> Fut<'_> { + async {} + } } +use foo::*; trait Test { fn hello(); diff --git a/tests/ui/impl-trait/issue-108592.rs b/tests/ui/impl-trait/issue-108592.rs index 624bb79006ea..7db2e31549c0 100644 --- a/tests/ui/impl-trait/issue-108592.rs +++ b/tests/ui/impl-trait/issue-108592.rs @@ -11,9 +11,13 @@ fn test_closure() { closure(&opaque()); } -type Opaque2 = impl Sized; -type Opaque<'a> = Opaque2; -fn define<'a>() -> Opaque<'a> {} +mod helper { + pub type Opaque2 = impl Sized; + pub type Opaque<'a> = Opaque2; + fn define<'a>() -> Opaque<'a> {} +} + +use helper::*; fn test_tait(_: &Opaque<'_>) { None::<&'static Opaque<'_>>; diff --git a/tests/ui/impl-trait/issues/issue-70877.rs b/tests/ui/impl-trait/issues/issue-70877.rs index df7722986744..6ced0bbba8b3 100644 --- a/tests/ui/impl-trait/issues/issue-70877.rs +++ b/tests/ui/impl-trait/issues/issue-70877.rs @@ -1,10 +1,8 @@ #![feature(type_alias_impl_trait)] type FooArg<'a> = &'a dyn ToString; -type FooRet = impl std::fmt::Debug; type FooItem = Box FooRet>; -type Foo = impl Iterator; #[repr(C)] struct Bar(u8); @@ -17,19 +15,26 @@ impl Iterator for Bar { } } -fn quux(st: FooArg) -> FooRet { - Some(st.to_string()) +mod ret { + pub type FooRet = impl std::fmt::Debug; + pub fn quux(st: super::FooArg) -> FooRet { + Some(st.to_string()) + } } - -fn ham() -> Foo { - Bar(1) -} - -fn oof(_: Foo) -> impl std::fmt::Debug { - let mut bar = ham(); - let func = bar.next().unwrap(); - return func(&"oof"); //~ ERROR opaque type's hidden type cannot be another opaque type +use ret::*; +mod foo { + pub type Foo = impl Iterator; + pub fn ham() -> Foo { + super::Bar(1) + } + pub fn oof(_: Foo) -> impl std::fmt::Debug { + //~^ ERROR: item does not constrain `Foo::{opaque#0}`, but has it in its signature + let mut bar = ham(); + let func = bar.next().unwrap(); + return func(&"oof"); + } } +use foo::*; fn main() { let _ = oof(ham()); diff --git a/tests/ui/impl-trait/issues/issue-70877.stderr b/tests/ui/impl-trait/issues/issue-70877.stderr index 274139f01d08..4b23a02aaee3 100644 --- a/tests/ui/impl-trait/issues/issue-70877.stderr +++ b/tests/ui/impl-trait/issues/issue-70877.stderr @@ -1,19 +1,15 @@ -error: opaque type's hidden type cannot be another opaque type from the same scope - --> $DIR/issue-70877.rs:31:12 +error: item does not constrain `Foo::{opaque#0}`, but has it in its signature + --> $DIR/issue-70877.rs:30:12 | -LL | return func(&"oof"); - | ^^^^^^^^^^^^ one of the two opaque types used here has to be outside its defining scope +LL | pub fn oof(_: Foo) -> impl std::fmt::Debug { + | ^^^ | -note: opaque type whose hidden type is being assigned - --> $DIR/issue-70877.rs:28:19 + = note: consider moving the opaque type's declaration and defining uses into a separate module +note: this opaque type is in the signature + --> $DIR/issue-70877.rs:26:20 | -LL | fn oof(_: Foo) -> impl std::fmt::Debug { - | ^^^^^^^^^^^^^^^^^^^^ -note: opaque type being used as hidden type - --> $DIR/issue-70877.rs:4:15 - | -LL | type FooRet = impl std::fmt::Debug; - | ^^^^^^^^^^^^^^^^^^^^ +LL | pub type Foo = impl Iterator; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to 1 previous error diff --git a/tests/ui/impl-trait/issues/issue-77987.rs b/tests/ui/impl-trait/issues/issue-77987.rs index b77f993effce..a7e7b067d5ff 100644 --- a/tests/ui/impl-trait/issues/issue-77987.rs +++ b/tests/ui/impl-trait/issues/issue-77987.rs @@ -2,19 +2,20 @@ //@ check-pass -trait Foo {} +pub trait Foo {} impl Foo for U {} -type Scope = impl Foo<()>; +mod scope { + pub type Scope = impl super::Foo<()>; -#[allow(unused)] -fn infer_scope() -> Scope { - () + #[allow(unused)] + fn infer_scope() -> Scope { + () + } } #[allow(unused)] -fn ice() -> impl Foo -{ +fn ice() -> impl Foo { loop {} } diff --git a/tests/ui/impl-trait/issues/issue-86800.rs b/tests/ui/impl-trait/issues/issue-86800.rs index 172ab04f58df..5a6959ad7e6f 100644 --- a/tests/ui/impl-trait/issues/issue-86800.rs +++ b/tests/ui/impl-trait/issues/issue-86800.rs @@ -26,6 +26,7 @@ type TransactionFuture<'__, O> = impl '__ + Future //~^ ERROR unconstrained opaque type fn execute_transaction_fut<'f, F, O>( + //~^ ERROR: item does not constrain f: F, ) -> impl FnOnce(&mut dyn Transaction) -> TransactionFuture<'_, O> where @@ -37,10 +38,12 @@ where impl Context { async fn do_transaction( + //~^ ERROR: item does not constrain &self, f: impl FnOnce(&mut dyn Transaction) -> TransactionFuture<'_, O> ) -> TransactionResult { //~^ ERROR expected generic lifetime parameter, found `'_` + //~| ERROR: item does not constrain let mut conn = Connection {}; let mut transaction = TestTransaction { conn: &mut conn }; f(&mut transaction).await diff --git a/tests/ui/impl-trait/issues/issue-86800.stderr b/tests/ui/impl-trait/issues/issue-86800.stderr index 146d2f67942b..095f648143ca 100644 --- a/tests/ui/impl-trait/issues/issue-86800.stderr +++ b/tests/ui/impl-trait/issues/issue-86800.stderr @@ -1,3 +1,48 @@ +error: item does not constrain `TransactionFuture::{opaque#0}`, but has it in its signature + --> $DIR/issue-86800.rs:28:4 + | +LL | fn execute_transaction_fut<'f, F, O>( + | ^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: consider moving the opaque type's declaration and defining uses into a separate module +note: this opaque type is in the signature + --> $DIR/issue-86800.rs:25:34 + | +LL | type TransactionFuture<'__, O> = impl '__ + Future>; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: item does not constrain `TransactionFuture::{opaque#0}`, but has it in its signature + --> $DIR/issue-86800.rs:40:14 + | +LL | async fn do_transaction( + | ^^^^^^^^^^^^^^ + | + = note: consider moving the opaque type's declaration and defining uses into a separate module +note: this opaque type is in the signature + --> $DIR/issue-86800.rs:25:34 + | +LL | type TransactionFuture<'__, O> = impl '__ + Future>; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: item does not constrain `TransactionFuture::{opaque#0}`, but has it in its signature + --> $DIR/issue-86800.rs:44:5 + | +LL | / { +LL | | +LL | | +LL | | let mut conn = Connection {}; +LL | | let mut transaction = TestTransaction { conn: &mut conn }; +LL | | f(&mut transaction).await +LL | | } + | |_____^ + | + = note: consider moving the opaque type's declaration and defining uses into a separate module +note: this opaque type is in the signature + --> $DIR/issue-86800.rs:25:34 + | +LL | type TransactionFuture<'__, O> = impl '__ + Future>; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + error: unconstrained opaque type --> $DIR/issue-86800.rs:25:34 | @@ -7,7 +52,7 @@ LL | type TransactionFuture<'__, O> = impl '__ + Future $DIR/issue-86800.rs:34:5 + --> $DIR/issue-86800.rs:35:5 | LL | type TransactionFuture<'__, O> = impl '__ + Future>; | --- this generic parameter must be used with a generic lifetime parameter @@ -16,19 +61,20 @@ LL | f | ^ error[E0792]: expected generic lifetime parameter, found `'_` - --> $DIR/issue-86800.rs:42:5 + --> $DIR/issue-86800.rs:44:5 | LL | type TransactionFuture<'__, O> = impl '__ + Future>; | --- this generic parameter must be used with a generic lifetime parameter ... LL | / { LL | | +LL | | LL | | let mut conn = Connection {}; LL | | let mut transaction = TestTransaction { conn: &mut conn }; LL | | f(&mut transaction).await LL | | } | |_____^ -error: aborting due to 3 previous errors +error: aborting due to 6 previous errors For more information about this error, try `rustc --explain E0792`. diff --git a/tests/ui/impl-trait/issues/issue-89312.rs b/tests/ui/impl-trait/issues/issue-89312.rs index 4304e3bc1b4e..3b0e976780be 100644 --- a/tests/ui/impl-trait/issues/issue-89312.rs +++ b/tests/ui/impl-trait/issues/issue-89312.rs @@ -2,18 +2,23 @@ //@ check-pass -trait T { type Item; } +mod helper { + pub trait T { + type Item; + } -type Alias<'a> = impl T; + pub type Alias<'a> = impl T; -struct S; -impl<'a> T for &'a S { - type Item = &'a (); -} - -fn filter_positive<'a>() -> Alias<'a> { - &S + struct S; + impl<'a> T for &'a S { + type Item = &'a (); + } + + pub fn filter_positive<'a>() -> Alias<'a> { + &S + } } +use helper::*; fn with_positive(fun: impl Fn(Alias<'_>)) { fun(filter_positive()); diff --git a/tests/ui/impl-trait/normalize-tait-in-const.rs b/tests/ui/impl-trait/normalize-tait-in-const.rs index 422c2e439cf0..fc90139d6409 100644 --- a/tests/ui/impl-trait/normalize-tait-in-const.rs +++ b/tests/ui/impl-trait/normalize-tait-in-const.rs @@ -6,20 +6,23 @@ use std::marker::Destruct; -trait T { - type Item; -} +mod foo { + trait T { + type Item; + } -type Alias<'a> = impl T; + pub type Alias<'a> = impl T; -struct S; -impl<'a> T for &'a S { - type Item = &'a (); -} + struct S; + impl<'a> T for &'a S { + type Item = &'a (); + } -const fn filter_positive<'a>() -> &'a Alias<'a> { - &&S + pub const fn filter_positive<'a>() -> &'a Alias<'a> { + &&S + } } +use foo::*; const fn with_positive Fn(&'a Alias<'a>) + ~const Destruct>(fun: F) { fun(filter_positive()); diff --git a/tests/ui/impl-trait/normalize-tait-in-const.stderr b/tests/ui/impl-trait/normalize-tait-in-const.stderr index 9ea4ff7cc70a..5e3c0ea054bd 100644 --- a/tests/ui/impl-trait/normalize-tait-in-const.stderr +++ b/tests/ui/impl-trait/normalize-tait-in-const.stderr @@ -1,11 +1,11 @@ error: `~const` can only be applied to `#[const_trait]` traits - --> $DIR/normalize-tait-in-const.rs:24:42 + --> $DIR/normalize-tait-in-const.rs:27:42 | LL | const fn with_positive Fn(&'a Alias<'a>) + ~const Destruct>(fun: F) { | ^^^^^^^^^^^^^^^^^ error[E0015]: cannot call non-const closure in constant functions - --> $DIR/normalize-tait-in-const.rs:25:5 + --> $DIR/normalize-tait-in-const.rs:28:5 | LL | fun(filter_positive()); | ^^^^^^^^^^^^^^^^^^^^^^ @@ -13,15 +13,15 @@ LL | fun(filter_positive()); = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants help: consider further restricting this bound | -LL | const fn with_positive Fn(&'a Alias<'a>) + ~const Destruct + ~const Fn(&Alias<'_>)>(fun: F) { - | +++++++++++++++++++++++ +LL | const fn with_positive Fn(&'a Alias<'a>) + ~const Destruct + ~const Fn(&foo::Alias<'_>)>(fun: F) { + | ++++++++++++++++++++++++++++ help: add `#![feature(effects)]` to the crate attributes to enable | LL + #![feature(effects)] | error[E0493]: destructor of `F` cannot be evaluated at compile-time - --> $DIR/normalize-tait-in-const.rs:24:79 + --> $DIR/normalize-tait-in-const.rs:27:79 | LL | const fn with_positive Fn(&'a Alias<'a>) + ~const Destruct>(fun: F) { | ^^^ the destructor for this type cannot be evaluated in constant functions diff --git a/tests/ui/impl-trait/recursive-type-alias-impl-trait-declaration-too-subtle-2.rs b/tests/ui/impl-trait/recursive-type-alias-impl-trait-declaration-too-subtle-2.rs index b369544782c7..0b29af5df5b5 100644 --- a/tests/ui/impl-trait/recursive-type-alias-impl-trait-declaration-too-subtle-2.rs +++ b/tests/ui/impl-trait/recursive-type-alias-impl-trait-declaration-too-subtle-2.rs @@ -2,7 +2,14 @@ //@ check-pass -type Foo = impl PartialEq<(Foo, i32)>; +mod foo { + pub type Foo = impl PartialEq<(Foo, i32)>; + + fn foo() -> Foo { + super::Bar + } +} +use foo::Foo; struct Bar; @@ -12,8 +19,4 @@ impl PartialEq<(Foo, i32)> for Bar { } } -fn foo() -> Foo { - Bar -} - fn main() {} diff --git a/tests/ui/impl-trait/recursive-type-alias-impl-trait-declaration-too-subtle.rs b/tests/ui/impl-trait/recursive-type-alias-impl-trait-declaration-too-subtle.rs index 91f1ed48133f..dc9424c3ca7a 100644 --- a/tests/ui/impl-trait/recursive-type-alias-impl-trait-declaration-too-subtle.rs +++ b/tests/ui/impl-trait/recursive-type-alias-impl-trait-declaration-too-subtle.rs @@ -9,6 +9,7 @@ mod a { impl PartialEq<(Bar, i32)> for Bar { fn eq(&self, _other: &(Foo, i32)) -> bool { //~^ ERROR: `eq` has an incompatible type for trait + //~| ERROR: item does not constrain `a::Foo::{opaque#0}` true } } diff --git a/tests/ui/impl-trait/recursive-type-alias-impl-trait-declaration-too-subtle.stderr b/tests/ui/impl-trait/recursive-type-alias-impl-trait-declaration-too-subtle.stderr index 07ac1a37e75c..4352af1c0df7 100644 --- a/tests/ui/impl-trait/recursive-type-alias-impl-trait-declaration-too-subtle.stderr +++ b/tests/ui/impl-trait/recursive-type-alias-impl-trait-declaration-too-subtle.stderr @@ -1,3 +1,16 @@ +error: item does not constrain `a::Foo::{opaque#0}`, but has it in its signature + --> $DIR/recursive-type-alias-impl-trait-declaration-too-subtle.rs:10:12 + | +LL | fn eq(&self, _other: &(Foo, i32)) -> bool { + | ^^ + | + = note: consider moving the opaque type's declaration and defining uses into a separate module +note: this opaque type is in the signature + --> $DIR/recursive-type-alias-impl-trait-declaration-too-subtle.rs:4:16 + | +LL | type Foo = impl PartialEq<(Foo, i32)>; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ + error: unconstrained opaque type --> $DIR/recursive-type-alias-impl-trait-declaration-too-subtle.rs:4:16 | @@ -22,7 +35,7 @@ LL | fn eq(&self, _other: &(Foo, i32)) -> bool { found signature `fn(&a::Bar, &(a::Foo, _)) -> _` error: unconstrained opaque type - --> $DIR/recursive-type-alias-impl-trait-declaration-too-subtle.rs:18:16 + --> $DIR/recursive-type-alias-impl-trait-declaration-too-subtle.rs:19:16 | LL | type Foo = impl PartialEq<(Foo, i32)>; | ^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -30,7 +43,7 @@ LL | type Foo = impl PartialEq<(Foo, i32)>; = note: `Foo` must be used in combination with a concrete type within the same module error[E0053]: method `eq` has an incompatible type for trait - --> $DIR/recursive-type-alias-impl-trait-declaration-too-subtle.rs:24:30 + --> $DIR/recursive-type-alias-impl-trait-declaration-too-subtle.rs:25:30 | LL | type Foo = impl PartialEq<(Foo, i32)>; | -------------------------- the expected opaque type @@ -44,11 +57,11 @@ LL | fn eq(&self, _other: &(Bar, i32)) -> bool { = note: expected signature `fn(&b::Bar, &(b::Foo, _)) -> _` found signature `fn(&b::Bar, &(b::Bar, _)) -> _` note: this item must have the opaque type in its signature in order to be able to register hidden types - --> $DIR/recursive-type-alias-impl-trait-declaration-too-subtle.rs:24:12 + --> $DIR/recursive-type-alias-impl-trait-declaration-too-subtle.rs:25:12 | LL | fn eq(&self, _other: &(Bar, i32)) -> bool { | ^^ -error: aborting due to 4 previous errors +error: aborting due to 5 previous errors For more information about this error, try `rustc --explain E0053`. diff --git a/tests/ui/impl-trait/two_tait_defining_each_other2.current.stderr b/tests/ui/impl-trait/two_tait_defining_each_other2.current.stderr index 6f2b2d9ca042..b70676ece0e2 100644 --- a/tests/ui/impl-trait/two_tait_defining_each_other2.current.stderr +++ b/tests/ui/impl-trait/two_tait_defining_each_other2.current.stderr @@ -1,3 +1,16 @@ +error: item does not constrain `A::{opaque#0}`, but has it in its signature + --> $DIR/two_tait_defining_each_other2.rs:11:4 + | +LL | fn muh(x: A) -> B { + | ^^^ + | + = note: consider moving the opaque type's declaration and defining uses into a separate module +note: this opaque type is in the signature + --> $DIR/two_tait_defining_each_other2.rs:6:10 + | +LL | type A = impl Foo; + | ^^^^^^^^ + error: unconstrained opaque type --> $DIR/two_tait_defining_each_other2.rs:6:10 | @@ -7,7 +20,7 @@ LL | type A = impl Foo; = note: `A` must be used in combination with a concrete type within the same module error: opaque type's hidden type cannot be another opaque type from the same scope - --> $DIR/two_tait_defining_each_other2.rs:13:5 + --> $DIR/two_tait_defining_each_other2.rs:14:5 | LL | x // B's hidden type is A (opaquely) | ^ one of the two opaque types used here has to be outside its defining scope @@ -23,5 +36,5 @@ note: opaque type being used as hidden type LL | type A = impl Foo; | ^^^^^^^^ -error: aborting due to 2 previous errors +error: aborting due to 3 previous errors diff --git a/tests/ui/impl-trait/two_tait_defining_each_other2.rs b/tests/ui/impl-trait/two_tait_defining_each_other2.rs index e850736fdfaf..3311c5565681 100644 --- a/tests/ui/impl-trait/two_tait_defining_each_other2.rs +++ b/tests/ui/impl-trait/two_tait_defining_each_other2.rs @@ -9,7 +9,8 @@ type B = impl Foo; trait Foo {} fn muh(x: A) -> B { - //[next]~^ ERROR type annotations needed: cannot satisfy `_ == A` + //[current]~^ ERROR: item does not constrain `A::{opaque#0}` + //[next]~^^ ERROR: cannot satisfy `_ == A` x // B's hidden type is A (opaquely) //[current]~^ ERROR opaque type's hidden type cannot be another opaque type } diff --git a/tests/ui/impl-trait/type-alias-impl-trait-in-fn-body.rs b/tests/ui/impl-trait/type-alias-impl-trait-in-fn-body.rs index 926998315809..4879d2db40b8 100644 --- a/tests/ui/impl-trait/type-alias-impl-trait-in-fn-body.rs +++ b/tests/ui/impl-trait/type-alias-impl-trait-in-fn-body.rs @@ -1,10 +1,12 @@ -//@ build-pass (FIXME(62277): could be check-pass?) +//! Test that it is basically not possible to declare *and opaquely use* opaque types +//! in function bodies. This will work again once we have a `#[defines]` attribute #![feature(type_alias_impl_trait)] use std::fmt::Debug; fn main() { + //~^ ERROR: item does not constrain type Existential = impl Debug; fn f() -> Existential {} diff --git a/tests/ui/impl-trait/type-alias-impl-trait-in-fn-body.stderr b/tests/ui/impl-trait/type-alias-impl-trait-in-fn-body.stderr new file mode 100644 index 000000000000..7744fa2f2ae6 --- /dev/null +++ b/tests/ui/impl-trait/type-alias-impl-trait-in-fn-body.stderr @@ -0,0 +1,15 @@ +error: item does not constrain `Existential::{opaque#0}`, but has it in its signature + --> $DIR/type-alias-impl-trait-in-fn-body.rs:8:4 + | +LL | fn main() { + | ^^^^ + | + = note: consider moving the opaque type's declaration and defining uses into a separate module +note: this opaque type is in the signature + --> $DIR/type-alias-impl-trait-in-fn-body.rs:10:24 + | +LL | type Existential = impl Debug; + | ^^^^^^^^^^ + +error: aborting due to 1 previous error + diff --git a/tests/ui/mir/issue-75053.rs b/tests/ui/mir/issue-75053.rs index e2ec4076b499..38684f3548f2 100644 --- a/tests/ui/mir/issue-75053.rs +++ b/tests/ui/mir/issue-75053.rs @@ -13,10 +13,13 @@ trait MyFrom: Sized { fn my_from(value: T) -> Result; } -trait F {} -impl F for () {} -type DummyT = impl F; -fn _dummy_t() -> DummyT {} +mod f { + pub trait F {} + impl F for () {} + pub type DummyT = impl F; + fn _dummy_t() -> DummyT {} +} +use f::*; struct Phantom1(PhantomData); struct Phantom2(PhantomData); diff --git a/tests/ui/mir/issue-75053.stderr b/tests/ui/mir/issue-75053.stderr index bd37f0c92ad8..a464d3266f4e 100644 --- a/tests/ui/mir/issue-75053.stderr +++ b/tests/ui/mir/issue-75053.stderr @@ -1,5 +1,5 @@ error: fatal error triggered by #[rustc_error] - --> $DIR/issue-75053.rs:46:1 + --> $DIR/issue-75053.rs:49:1 | LL | fn main() { | ^^^^^^^^^ diff --git a/tests/ui/self/arbitrary-self-opaque.rs b/tests/ui/self/arbitrary-self-opaque.rs index 3331b037b051..3c2e2d9db727 100644 --- a/tests/ui/self/arbitrary-self-opaque.rs +++ b/tests/ui/self/arbitrary-self-opaque.rs @@ -7,6 +7,7 @@ type Bar = impl Sized; impl Foo { fn foo(self: Bar) {} //~^ ERROR: invalid `self` parameter type: `Bar` + //~| ERROR: item does not constrain } fn main() {} diff --git a/tests/ui/self/arbitrary-self-opaque.stderr b/tests/ui/self/arbitrary-self-opaque.stderr index 0cbe22afac31..5ccc076bfaf6 100644 --- a/tests/ui/self/arbitrary-self-opaque.stderr +++ b/tests/ui/self/arbitrary-self-opaque.stderr @@ -1,3 +1,16 @@ +error: item does not constrain `Bar::{opaque#0}`, but has it in its signature + --> $DIR/arbitrary-self-opaque.rs:8:8 + | +LL | fn foo(self: Bar) {} + | ^^^ + | + = note: consider moving the opaque type's declaration and defining uses into a separate module +note: this opaque type is in the signature + --> $DIR/arbitrary-self-opaque.rs:4:12 + | +LL | type Bar = impl Sized; + | ^^^^^^^^^^ + error: unconstrained opaque type --> $DIR/arbitrary-self-opaque.rs:4:12 | @@ -15,6 +28,6 @@ LL | fn foo(self: Bar) {} = note: type of `self` must be `Self` or a type that dereferences to it = help: consider changing to `self`, `&self`, `&mut self`, `self: Box`, `self: Rc`, `self: Arc`, or `self: Pin

` (where P is one of the previous types except `Self`) -error: aborting due to 2 previous errors +error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0307`. diff --git a/tests/ui/type-alias-impl-trait/argument-types.rs b/tests/ui/type-alias-impl-trait/argument-types.rs index 9e4a8bb8dda4..7382d4c78c7d 100644 --- a/tests/ui/type-alias-impl-trait/argument-types.rs +++ b/tests/ui/type-alias-impl-trait/argument-types.rs @@ -1,13 +1,21 @@ #![feature(type_alias_impl_trait)] #![allow(dead_code)] //@ check-pass -use std::fmt::Debug; -type Foo = impl Debug; +mod foo { + use std::fmt::Debug; -fn foo1(mut x: Foo) { - x = 22_u32; + pub type Foo = impl Debug; + + fn foo1(mut x: Foo) { + x = 22_u32; + } + + pub fn foo_value() -> Foo { + 11_u32 + } } +use foo::*; fn foo2(mut x: Foo) { // no constraint on x @@ -17,10 +25,6 @@ fn foo3(x: Foo) { println!("{:?}", x); } -fn foo_value() -> Foo { - 11_u32 -} - fn main() { foo3(foo_value()); } diff --git a/tests/ui/type-alias-impl-trait/assoc-projection-ice.rs b/tests/ui/type-alias-impl-trait/assoc-projection-ice.rs index 761402582e24..9dcbc75db3f1 100644 --- a/tests/ui/type-alias-impl-trait/assoc-projection-ice.rs +++ b/tests/ui/type-alias-impl-trait/assoc-projection-ice.rs @@ -2,18 +2,23 @@ //@ build-pass -trait T { type Item; } +mod helper { + pub trait T { + type Item; + } -type Alias<'a> = impl T; + pub type Alias<'a> = impl T; -struct S; -impl<'a> T for &'a S { - type Item = &'a (); -} - -fn filter_positive<'a>() -> Alias<'a> { - &S + struct S; + impl<'a> T for &'a S { + type Item = &'a (); + } + + pub fn filter_positive<'a>() -> Alias<'a> { + &S + } } +use helper::*; fn with_positive(fun: impl Fn(Alias<'_>)) { fun(filter_positive()); diff --git a/tests/ui/type-alias-impl-trait/bounds-are-checked-2.rs b/tests/ui/type-alias-impl-trait/bounds-are-checked-2.rs index 55b4dc8dc232..45f54266014d 100644 --- a/tests/ui/type-alias-impl-trait/bounds-are-checked-2.rs +++ b/tests/ui/type-alias-impl-trait/bounds-are-checked-2.rs @@ -3,12 +3,15 @@ #![feature(type_alias_impl_trait)] -type X = impl Clone; +mod foo { + pub type X = impl Clone; -fn f(t: T) -> X { - t - //~^ ERROR the trait bound `T: Clone` is not satisfied + fn f(t: T) -> X { + t + //~^ ERROR the trait bound `T: Clone` is not satisfied + } } +use foo::X; fn g(o: Option>) -> Option> { o.clone() diff --git a/tests/ui/type-alias-impl-trait/bounds-are-checked-2.stderr b/tests/ui/type-alias-impl-trait/bounds-are-checked-2.stderr index 20e478160c61..0c937f922538 100644 --- a/tests/ui/type-alias-impl-trait/bounds-are-checked-2.stderr +++ b/tests/ui/type-alias-impl-trait/bounds-are-checked-2.stderr @@ -1,13 +1,13 @@ error[E0277]: the trait bound `T: Clone` is not satisfied - --> $DIR/bounds-are-checked-2.rs:9:5 + --> $DIR/bounds-are-checked-2.rs:10:9 | -LL | t - | ^ the trait `Clone` is not implemented for `T` +LL | t + | ^ the trait `Clone` is not implemented for `T` | help: consider restricting type parameter `T` | -LL | type X = impl Clone; - | +++++++++++++++++++ +LL | pub type X = impl Clone; + | +++++++++++++++++++ error: aborting due to 1 previous error diff --git a/tests/ui/type-alias-impl-trait/closure-normalization-ice-109020.rs b/tests/ui/type-alias-impl-trait/closure-normalization-ice-109020.rs index c5ee46024f98..0dfa1f40ae6c 100644 --- a/tests/ui/type-alias-impl-trait/closure-normalization-ice-109020.rs +++ b/tests/ui/type-alias-impl-trait/closure-normalization-ice-109020.rs @@ -6,7 +6,14 @@ use std::marker::PhantomData; -type WithEmplacableForFn<'a> = impl EmplacableFn + 'a; +mod foo { + pub type WithEmplacableForFn<'a> = impl super::EmplacableFn + 'a; + + fn _constrain(_: &mut ()) -> WithEmplacableForFn<'_> { + () + } +} +use foo::*; fn with_emplacable_for<'a, F, R>(mut f: F) -> R where @@ -16,9 +23,6 @@ where _: &'a (), _: &mut dyn FnMut(Emplacable>) -> R, ) -> R { - fn _constrain(_: &mut ()) -> WithEmplacableForFn<'_> { - () - } loop {} } diff --git a/tests/ui/type-alias-impl-trait/closure_args.rs b/tests/ui/type-alias-impl-trait/closure_args.rs index eb5ab9d67f72..0141a01aad02 100644 --- a/tests/ui/type-alias-impl-trait/closure_args.rs +++ b/tests/ui/type-alias-impl-trait/closure_args.rs @@ -4,20 +4,24 @@ #![feature(type_alias_impl_trait)] -trait Anything {} -impl Anything for T {} -type Input = impl Anything; +mod foo { + pub trait Anything {} + impl Anything for T {} + pub type Input = impl Anything; + + fn bop(_: Input) { + super::run( + |x: u32| { + println!("{x}"); + }, + 0, + ); + } +} +use foo::Input; + fn run ()>(f: F, i: Input) { f(i); } -fn bop(_: Input) { - run( - |x: u32| { - println!("{x}"); - }, - 0, - ); -} - fn main() {} diff --git a/tests/ui/type-alias-impl-trait/closure_args2.rs b/tests/ui/type-alias-impl-trait/closure_args2.rs index 329596b19e9b..13ac3d31d838 100644 --- a/tests/ui/type-alias-impl-trait/closure_args2.rs +++ b/tests/ui/type-alias-impl-trait/closure_args2.rs @@ -2,20 +2,28 @@ #![feature(type_alias_impl_trait)] -trait Foo { - // This was reachable in https://github.com/rust-lang/rust/issues/100800 - fn foo(&self) { - unreachable!() +mod foo { + pub trait Foo { + // This was reachable in https://github.com/rust-lang/rust/issues/100800 + fn foo(&self) { + unreachable!() + } + } + impl Foo for T {} + + pub struct B; + impl B { + fn foo(&self) {} + } + pub type Input = impl Foo; + fn bop() -> Input { + super::run1(|x: B| x.foo(), B); + super::run2(|x: B| x.foo(), B); + panic!() } } -impl Foo for T {} +use foo::*; -struct B; -impl B { - fn foo(&self) {} -} - -type Input = impl Foo; fn run1(f: F, i: Input) { f(i) } @@ -23,10 +31,4 @@ fn run2(f: F, i: B) { f(i) } -fn bop() -> Input { - run1(|x: B| x.foo(), B); - run2(|x: B| x.foo(), B); - panic!() -} - fn main() {} diff --git a/tests/ui/type-alias-impl-trait/const_generic_type.no_infer.stderr b/tests/ui/type-alias-impl-trait/const_generic_type.no_infer.stderr index 56a102016514..55a5a3d20006 100644 --- a/tests/ui/type-alias-impl-trait/const_generic_type.no_infer.stderr +++ b/tests/ui/type-alias-impl-trait/const_generic_type.no_infer.stderr @@ -1,3 +1,36 @@ +error: item does not constrain `Bar::{opaque#0}`, but has it in its signature + --> $DIR/const_generic_type.rs:8:10 + | +LL | async fn test() { + | ^^^^ + | + = note: consider moving the opaque type's declaration and defining uses into a separate module +note: this opaque type is in the signature + --> $DIR/const_generic_type.rs:5:12 + | +LL | type Bar = impl std::fmt::Display; + | ^^^^^^^^^^^^^^^^^^^^^^ + +error: item does not constrain `Bar::{opaque#0}`, but has it in its signature + --> $DIR/const_generic_type.rs:8:38 + | +LL | async fn test() { + | ______________________________________^ +LL | | +LL | | +LL | | +LL | | #[cfg(infer)] +LL | | let x: u32 = N; +LL | | } + | |_^ + | + = note: consider moving the opaque type's declaration and defining uses into a separate module +note: this opaque type is in the signature + --> $DIR/const_generic_type.rs:5:12 + | +LL | type Bar = impl std::fmt::Display; + | ^^^^^^^^^^^^^^^^^^^^^^ + error: unconstrained opaque type --> $DIR/const_generic_type.rs:5:12 | @@ -14,5 +47,5 @@ LL | async fn test() { | = note: the only supported types are integers, `bool` and `char` -error: aborting due to 2 previous errors +error: aborting due to 4 previous errors diff --git a/tests/ui/type-alias-impl-trait/const_generic_type.rs b/tests/ui/type-alias-impl-trait/const_generic_type.rs index bfd06826f00c..de493d04f811 100644 --- a/tests/ui/type-alias-impl-trait/const_generic_type.rs +++ b/tests/ui/type-alias-impl-trait/const_generic_type.rs @@ -7,6 +7,8 @@ type Bar = impl std::fmt::Display; async fn test() { //~^ ERROR: `Bar` is forbidden as the type of a const generic parameter + //[no_infer]~^^ ERROR item does not constrain + //[no_infer]~| ERROR item does not constrain #[cfg(infer)] let x: u32 = N; } diff --git a/tests/ui/type-alias-impl-trait/constrain_inputs.rs b/tests/ui/type-alias-impl-trait/constrain_inputs.rs index 03fb64b7b94d..1391a2036b2e 100644 --- a/tests/ui/type-alias-impl-trait/constrain_inputs.rs +++ b/tests/ui/type-alias-impl-trait/constrain_inputs.rs @@ -5,6 +5,7 @@ mod lifetime_params { fn defining(s: &str) -> Ty<'_> { s } fn execute(ty: Ty<'_>) -> &str { todo!() } //~^ ERROR return type references an anonymous lifetime, which is not constrained by the fn input types + //~| ERROR item does not constrain type BadFnSig = fn(Ty<'_>) -> &str; //~^ ERROR return type references an anonymous lifetime, which is not constrained by the fn input types @@ -17,6 +18,7 @@ mod lifetime_params_2 { fn defining(s: &str) -> Ty<'_> { move || s } fn execute(ty: Ty<'_>) -> &str { ty() } //~^ ERROR return type references an anonymous lifetime, which is not constrained by the fn input types + //~| ERROR item does not constrain } // regression test for https://github.com/rust-lang/rust/issues/97104 diff --git a/tests/ui/type-alias-impl-trait/constrain_inputs.stderr b/tests/ui/type-alias-impl-trait/constrain_inputs.stderr index 93953fd06d1f..2468fb7480b0 100644 --- a/tests/ui/type-alias-impl-trait/constrain_inputs.stderr +++ b/tests/ui/type-alias-impl-trait/constrain_inputs.stderr @@ -7,8 +7,21 @@ LL | fn execute(ty: Ty<'_>) -> &str { todo!() } = note: lifetimes appearing in an associated or opaque type are not considered constrained = note: consider introducing a named lifetime parameter +error: item does not constrain `lifetime_params::Ty::{opaque#0}`, but has it in its signature + --> $DIR/constrain_inputs.rs:6:8 + | +LL | fn execute(ty: Ty<'_>) -> &str { todo!() } + | ^^^^^^^ + | + = note: consider moving the opaque type's declaration and defining uses into a separate module +note: this opaque type is in the signature + --> $DIR/constrain_inputs.rs:4:19 + | +LL | type Ty<'a> = impl Sized; + | ^^^^^^^^^^ + error[E0581]: return type references an anonymous lifetime, which is not constrained by the fn input types - --> $DIR/constrain_inputs.rs:9:35 + --> $DIR/constrain_inputs.rs:10:35 | LL | type BadFnSig = fn(Ty<'_>) -> &str; | ^^^^ @@ -17,7 +30,7 @@ LL | type BadFnSig = fn(Ty<'_>) -> &str; = note: consider introducing a named lifetime parameter error[E0582]: binding for associated type `Output` references an anonymous lifetime, which does not appear in the trait input types - --> $DIR/constrain_inputs.rs:11:42 + --> $DIR/constrain_inputs.rs:12:42 | LL | type BadTraitRef = dyn Fn(Ty<'_>) -> &str; | ^^^^ @@ -26,7 +39,7 @@ LL | type BadTraitRef = dyn Fn(Ty<'_>) -> &str; = note: consider introducing a named lifetime parameter error[E0581]: return type references an anonymous lifetime, which is not constrained by the fn input types - --> $DIR/constrain_inputs.rs:18:31 + --> $DIR/constrain_inputs.rs:19:31 | LL | fn execute(ty: Ty<'_>) -> &str { ty() } | ^^^^ @@ -34,8 +47,21 @@ LL | fn execute(ty: Ty<'_>) -> &str { ty() } = note: lifetimes appearing in an associated or opaque type are not considered constrained = note: consider introducing a named lifetime parameter +error: item does not constrain `lifetime_params_2::Ty::{opaque#0}`, but has it in its signature + --> $DIR/constrain_inputs.rs:19:8 + | +LL | fn execute(ty: Ty<'_>) -> &str { ty() } + | ^^^^^^^ + | + = note: consider moving the opaque type's declaration and defining uses into a separate module +note: this opaque type is in the signature + --> $DIR/constrain_inputs.rs:17:19 + | +LL | type Ty<'a> = impl FnOnce() -> &'a str; + | ^^^^^^^^^^^^^^^^^^^^^^^^ + error[E0581]: return type references an anonymous lifetime, which is not constrained by the fn input types - --> $DIR/constrain_inputs.rs:27:37 + --> $DIR/constrain_inputs.rs:29:37 | LL | type BadFnSig = fn(Ty<&str>) -> &str; | ^^^^ @@ -44,7 +70,7 @@ LL | type BadFnSig = fn(Ty<&str>) -> &str; = note: consider introducing a named lifetime parameter error[E0582]: binding for associated type `Output` references an anonymous lifetime, which does not appear in the trait input types - --> $DIR/constrain_inputs.rs:29:44 + --> $DIR/constrain_inputs.rs:31:44 | LL | type BadTraitRef = dyn Fn(Ty<&str>) -> &str; | ^^^^ @@ -52,7 +78,7 @@ LL | type BadTraitRef = dyn Fn(Ty<&str>) -> &str; = note: lifetimes appearing in an associated or opaque type are not considered constrained = note: consider introducing a named lifetime parameter -error: aborting due to 6 previous errors +error: aborting due to 8 previous errors Some errors have detailed explanations: E0581, E0582. For more information about an error, try `rustc --explain E0581`. diff --git a/tests/ui/type-alias-impl-trait/debug-ty-with-weak.rs b/tests/ui/type-alias-impl-trait/debug-ty-with-weak.rs index 7e743fc09dd5..db9c2cc096ab 100644 --- a/tests/ui/type-alias-impl-trait/debug-ty-with-weak.rs +++ b/tests/ui/type-alias-impl-trait/debug-ty-with-weak.rs @@ -3,10 +3,12 @@ #![feature(type_alias_impl_trait)] -type Debuggable = impl core::fmt::Debug; +mod bar { + pub type Debuggable = impl core::fmt::Debug; + fn foo() -> Debuggable { + 0u32 + } +} +use bar::Debuggable; static mut TEST: Option = None; - -fn foo() -> Debuggable { - 0u32 -} diff --git a/tests/ui/type-alias-impl-trait/failed-to-normalize-ice-99945.rs b/tests/ui/type-alias-impl-trait/failed-to-normalize-ice-99945.rs index 023991c29d09..9ed010f2293e 100644 --- a/tests/ui/type-alias-impl-trait/failed-to-normalize-ice-99945.rs +++ b/tests/ui/type-alias-impl-trait/failed-to-normalize-ice-99945.rs @@ -23,9 +23,11 @@ impl Fn(&'a ()) -> StateWidget<'a>> Widget<()> for StatefulWidget type State = (); fn make_state(&self) -> Self::State {} + //~^ ERROR item does not constrain } fn new_stateful_widget Fn(&'a ()) -> StateWidget<'a>>(build: F) -> impl Widget<()> { + //~^ ERROR item does not constrain StatefulWidget(build) //~^ ERROR expected generic lifetime parameter, found `'a` } diff --git a/tests/ui/type-alias-impl-trait/failed-to-normalize-ice-99945.stderr b/tests/ui/type-alias-impl-trait/failed-to-normalize-ice-99945.stderr index 0c76feae198b..9a3f4ae4c1c3 100644 --- a/tests/ui/type-alias-impl-trait/failed-to-normalize-ice-99945.stderr +++ b/tests/ui/type-alias-impl-trait/failed-to-normalize-ice-99945.stderr @@ -1,5 +1,31 @@ +error: item does not constrain `StateWidget::{opaque#0}`, but has it in its signature + --> $DIR/failed-to-normalize-ice-99945.rs:25:8 + | +LL | fn make_state(&self) -> Self::State {} + | ^^^^^^^^^^ + | + = note: consider moving the opaque type's declaration and defining uses into a separate module +note: this opaque type is in the signature + --> $DIR/failed-to-normalize-ice-99945.rs:20:24 + | +LL | type StateWidget<'a> = impl Widget<&'a ()>; + | ^^^^^^^^^^^^^^^^^^^ + +error: item does not constrain `StateWidget::{opaque#0}`, but has it in its signature + --> $DIR/failed-to-normalize-ice-99945.rs:29:4 + | +LL | fn new_stateful_widget Fn(&'a ()) -> StateWidget<'a>>(build: F) -> impl Widget<()> { + | ^^^^^^^^^^^^^^^^^^^ + | + = note: consider moving the opaque type's declaration and defining uses into a separate module +note: this opaque type is in the signature + --> $DIR/failed-to-normalize-ice-99945.rs:20:24 + | +LL | type StateWidget<'a> = impl Widget<&'a ()>; + | ^^^^^^^^^^^^^^^^^^^ + error[E0308]: mismatched types - --> $DIR/failed-to-normalize-ice-99945.rs:34:29 + --> $DIR/failed-to-normalize-ice-99945.rs:36:29 | LL | type StateWidget<'a> = impl Widget<&'a ()>; | ------------------- the expected opaque type @@ -11,7 +37,7 @@ LL | new_stateful_widget(|_| ()).make_state(); found unit type `()` error[E0792]: expected generic lifetime parameter, found `'a` - --> $DIR/failed-to-normalize-ice-99945.rs:29:5 + --> $DIR/failed-to-normalize-ice-99945.rs:31:5 | LL | type StateWidget<'a> = impl Widget<&'a ()>; | -- this generic parameter must be used with a generic lifetime parameter @@ -19,7 +45,7 @@ LL | type StateWidget<'a> = impl Widget<&'a ()>; LL | StatefulWidget(build) | ^^^^^^^^^^^^^^^^^^^^^ -error: aborting due to 2 previous errors +error: aborting due to 4 previous errors Some errors have detailed explanations: E0308, E0792. For more information about an error, try `rustc --explain E0308`. diff --git a/tests/ui/type-alias-impl-trait/hkl_forbidden4.rs b/tests/ui/type-alias-impl-trait/hkl_forbidden4.rs index 3b54fb7ea999..96c905ef3a90 100644 --- a/tests/ui/type-alias-impl-trait/hkl_forbidden4.rs +++ b/tests/ui/type-alias-impl-trait/hkl_forbidden4.rs @@ -17,10 +17,12 @@ async fn operation(_: &mut ()) -> () { } async fn call(_f: F) +//~^ ERROR item does not constrain where for<'any> F: FnMut(&'any mut ()) -> FutNothing<'any>, { //~^ ERROR: expected generic lifetime parameter, found `'any` + //~| ERROR item does not constrain } fn main() {} diff --git a/tests/ui/type-alias-impl-trait/hkl_forbidden4.stderr b/tests/ui/type-alias-impl-trait/hkl_forbidden4.stderr index c41ed0642a46..7df1a08bc883 100644 --- a/tests/ui/type-alias-impl-trait/hkl_forbidden4.stderr +++ b/tests/ui/type-alias-impl-trait/hkl_forbidden4.stderr @@ -1,3 +1,32 @@ +error: item does not constrain `FutNothing::{opaque#0}`, but has it in its signature + --> $DIR/hkl_forbidden4.rs:19:10 + | +LL | async fn call(_f: F) + | ^^^^ + | + = note: consider moving the opaque type's declaration and defining uses into a separate module +note: this opaque type is in the signature + --> $DIR/hkl_forbidden4.rs:10:23 + | +LL | type FutNothing<'a> = impl 'a + Future; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: item does not constrain `FutNothing::{opaque#0}`, but has it in its signature + --> $DIR/hkl_forbidden4.rs:23:1 + | +LL | / { +LL | | +LL | | +LL | | } + | |_^ + | + = note: consider moving the opaque type's declaration and defining uses into a separate module +note: this opaque type is in the signature + --> $DIR/hkl_forbidden4.rs:10:23 + | +LL | type FutNothing<'a> = impl 'a + Future; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + error: unconstrained opaque type --> $DIR/hkl_forbidden4.rs:10:23 | @@ -16,13 +45,14 @@ LL | call(operation).await | ^^^^^^^^^^^^^^^ error[E0792]: expected generic lifetime parameter, found `'any` - --> $DIR/hkl_forbidden4.rs:22:1 + --> $DIR/hkl_forbidden4.rs:23:1 | LL | type FutNothing<'a> = impl 'a + Future; | -- this generic parameter must be used with a generic lifetime parameter ... LL | / { LL | | +LL | | LL | | } | |_^ @@ -38,6 +68,6 @@ note: previous use here LL | call(operation).await | ^^^^^^^^^^^^^^^ -error: aborting due to 4 previous errors +error: aborting due to 6 previous errors For more information about this error, try `rustc --explain E0792`. diff --git a/tests/ui/type-alias-impl-trait/ice-failed-to-resolve-instance-for-110696.rs b/tests/ui/type-alias-impl-trait/ice-failed-to-resolve-instance-for-110696.rs index fc71d0d61ff1..0ee188d825f0 100644 --- a/tests/ui/type-alias-impl-trait/ice-failed-to-resolve-instance-for-110696.rs +++ b/tests/ui/type-alias-impl-trait/ice-failed-to-resolve-instance-for-110696.rs @@ -6,7 +6,6 @@ use std::marker::PhantomData; - trait MyIndex { type O; fn my_index(self) -> Self::O; @@ -16,7 +15,6 @@ trait MyFrom: Sized { fn my_from(value: T) -> Result; } - trait F {} impl F for () {} type DummyT = impl F; @@ -28,6 +26,7 @@ struct Scope(Phantom2>); impl Scope { fn new() -> Self { + //~^ ERROR item does not constrain unimplemented!() } } @@ -43,6 +42,7 @@ impl>>, U> MyIndex> for Scope { //~^ ERROR the type parameter `T` is not constrained by the impl type O = T; fn my_index(self) -> Self::O { + //~^ ERROR item does not constrain MyFrom::my_from(self.0).ok().unwrap() } } diff --git a/tests/ui/type-alias-impl-trait/ice-failed-to-resolve-instance-for-110696.stderr b/tests/ui/type-alias-impl-trait/ice-failed-to-resolve-instance-for-110696.stderr index a39f77ce17f6..22c776e171c2 100644 --- a/tests/ui/type-alias-impl-trait/ice-failed-to-resolve-instance-for-110696.stderr +++ b/tests/ui/type-alias-impl-trait/ice-failed-to-resolve-instance-for-110696.stderr @@ -1,9 +1,35 @@ +error: item does not constrain `DummyT::{opaque#0}`, but has it in its signature + --> $DIR/ice-failed-to-resolve-instance-for-110696.rs:28:8 + | +LL | fn new() -> Self { + | ^^^ + | + = note: consider moving the opaque type's declaration and defining uses into a separate module +note: this opaque type is in the signature + --> $DIR/ice-failed-to-resolve-instance-for-110696.rs:20:18 + | +LL | type DummyT = impl F; + | ^^^^^^ + +error: item does not constrain `DummyT::{opaque#0}`, but has it in its signature + --> $DIR/ice-failed-to-resolve-instance-for-110696.rs:44:8 + | +LL | fn my_index(self) -> Self::O { + | ^^^^^^^^ + | + = note: consider moving the opaque type's declaration and defining uses into a separate module +note: this opaque type is in the signature + --> $DIR/ice-failed-to-resolve-instance-for-110696.rs:20:18 + | +LL | type DummyT = impl F; + | ^^^^^^ + error[E0207]: the type parameter `T` is not constrained by the impl trait, self type, or predicates - --> $DIR/ice-failed-to-resolve-instance-for-110696.rs:42:6 + --> $DIR/ice-failed-to-resolve-instance-for-110696.rs:41:6 | LL | impl>>, U> MyIndex> for Scope { | ^ unconstrained type parameter -error: aborting due to 1 previous error +error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0207`. diff --git a/tests/ui/type-alias-impl-trait/implied_bounds.rs b/tests/ui/type-alias-impl-trait/implied_bounds.rs index 53cbf8d22900..269c0eff025d 100644 --- a/tests/ui/type-alias-impl-trait/implied_bounds.rs +++ b/tests/ui/type-alias-impl-trait/implied_bounds.rs @@ -1,7 +1,11 @@ #![feature(type_alias_impl_trait)] -type WithLifetime<'a> = impl Equals; -fn _defining_use<'a>() -> WithLifetime<'a> {} +mod foo { + use super::Equals; + pub type WithLifetime<'a> = impl Equals; + fn _defining_use<'a>() -> WithLifetime<'a> {} +} +use foo::WithLifetime; trait Convert<'a> { type Witness; diff --git a/tests/ui/type-alias-impl-trait/implied_bounds.stderr b/tests/ui/type-alias-impl-trait/implied_bounds.stderr index 64a203fe4658..23f1141e5444 100644 --- a/tests/ui/type-alias-impl-trait/implied_bounds.stderr +++ b/tests/ui/type-alias-impl-trait/implied_bounds.stderr @@ -1,5 +1,5 @@ error: lifetime may not live long enough - --> $DIR/implied_bounds.rs:17:9 + --> $DIR/implied_bounds.rs:21:9 | LL | impl<'a> Convert<'a> for () { | -- lifetime `'a` defined here diff --git a/tests/ui/type-alias-impl-trait/implied_bounds2.rs b/tests/ui/type-alias-impl-trait/implied_bounds2.rs index effedb954c35..845476ef9741 100644 --- a/tests/ui/type-alias-impl-trait/implied_bounds2.rs +++ b/tests/ui/type-alias-impl-trait/implied_bounds2.rs @@ -2,9 +2,17 @@ #![feature(type_alias_impl_trait)] -type Ty<'a, A> = impl Sized + 'a; -fn defining<'a, A>() -> Ty<'a, A> {} -fn assert_static() {} -fn test<'a, A>() where Ty<'a, A>: 'static, { assert_static::>() } +mod helper { + pub type Ty<'a, A> = impl Sized + 'a; + fn defining<'a, A>() -> Ty<'a, A> {} + pub fn assert_static() {} +} +use helper::*; +fn test<'a, A>() +where + Ty<'a, A>: 'static, +{ + assert_static::>() +} fn main() {} diff --git a/tests/ui/type-alias-impl-trait/implied_bounds_from_types.rs b/tests/ui/type-alias-impl-trait/implied_bounds_from_types.rs index 239fcc6a5e6f..76a63741e18e 100644 --- a/tests/ui/type-alias-impl-trait/implied_bounds_from_types.rs +++ b/tests/ui/type-alias-impl-trait/implied_bounds_from_types.rs @@ -1,7 +1,11 @@ #![feature(type_alias_impl_trait)] -type WithLifetime = impl Equals; -fn _defining_use() -> WithLifetime {} +mod foo { + use super::Equals; + pub type WithLifetime = impl Equals; + fn _defining_use() -> WithLifetime {} +} +use foo::WithLifetime; trait Convert<'a> { type Witness; @@ -12,7 +16,6 @@ impl<'a> Convert<'a> for () { type Witness = WithLifetime<&'a ()>; fn convert<'b, T: ?Sized>(_proof: &'b WithLifetime<&'a ()>, x: &'a T) -> &'b T { - //~^ ERROR non-defining opaque type use // compiler used to think it gets to assume 'a: 'b here because // of the `&'b WithLifetime<&'a ()>` argument x diff --git a/tests/ui/type-alias-impl-trait/implied_bounds_from_types.stderr b/tests/ui/type-alias-impl-trait/implied_bounds_from_types.stderr index 23dbf0e8f60c..391a8a75786a 100644 --- a/tests/ui/type-alias-impl-trait/implied_bounds_from_types.stderr +++ b/tests/ui/type-alias-impl-trait/implied_bounds_from_types.stderr @@ -1,17 +1,5 @@ -error[E0792]: non-defining opaque type use in defining scope - --> $DIR/implied_bounds_from_types.rs:14:39 - | -LL | fn convert<'b, T: ?Sized>(_proof: &'b WithLifetime<&'a ()>, x: &'a T) -> &'b T { - | ^^^^^^^^^^^^^^^^^^^^^^^^ argument `&'a ()` is not a generic parameter - | -note: for this opaque type - --> $DIR/implied_bounds_from_types.rs:3:24 - | -LL | type WithLifetime = impl Equals; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ - error: lifetime may not live long enough - --> $DIR/implied_bounds_from_types.rs:18:9 + --> $DIR/implied_bounds_from_types.rs:21:9 | LL | impl<'a> Convert<'a> for () { | -- lifetime `'a` defined here @@ -24,6 +12,5 @@ LL | x | = help: consider adding the following bound: `'a: 'b` -error: aborting due to 2 previous errors +error: aborting due to 1 previous error -For more information about this error, try `rustc --explain E0792`. diff --git a/tests/ui/type-alias-impl-trait/implied_lifetime_wf_check3.rs b/tests/ui/type-alias-impl-trait/implied_lifetime_wf_check3.rs index 469a493b0b35..fb251e9bde15 100644 --- a/tests/ui/type-alias-impl-trait/implied_lifetime_wf_check3.rs +++ b/tests/ui/type-alias-impl-trait/implied_lifetime_wf_check3.rs @@ -1,40 +1,68 @@ #![feature(type_alias_impl_trait)] mod test_lifetime_param { - type Ty<'a> = impl Sized; - fn defining(a: &str) -> Ty<'_> { a } - fn assert_static<'a: 'static>() {} - fn test<'a>() where Ty<'a>: 'static { assert_static::<'a>() } + pub type Ty<'a> = impl Sized; + fn defining(a: &str) -> Ty<'_> { + a + } + pub fn assert_static<'a: 'static>() {} +} +fn test_lifetime_param_test<'a>() +where + test_lifetime_param::Ty<'a>: 'static, +{ + test_lifetime_param::assert_static::<'a>() //~^ ERROR: lifetime may not live long enough } mod test_higher_kinded_lifetime_param { - type Ty<'a> = impl Sized; - fn defining(a: &str) -> Ty<'_> { a } - fn assert_static<'a: 'static>() {} - fn test<'a>() where for<'b> Ty<'b>: 'a { assert_static::<'a>() } + pub type Ty<'a> = impl Sized + 'a; + fn defining(a: &str) -> Ty<'_> { + a + } + pub fn assert_static<'a: 'static>() {} +} +fn test_higher_kinded_lifetime_param_test<'a>() +where + for<'b> test_higher_kinded_lifetime_param::Ty<'b>: 'a, +{ + test_higher_kinded_lifetime_param::assert_static::<'a>() //~^ ERROR: lifetime may not live long enough } mod test_higher_kinded_lifetime_param2 { fn assert_static<'a: 'static>() {} - fn test<'a>() { assert_static::<'a>() } - //~^ ERROR: lifetime may not live long enough + fn test<'a>() { + assert_static::<'a>() + //~^ ERROR: lifetime may not live long enough + } } mod test_type_param { - type Ty = impl Sized; - fn defining(s: A) -> Ty { s } - fn assert_static() {} - fn test() where Ty: 'static { assert_static::() } + pub type Ty = impl Sized; + fn defining(s: A) -> Ty { + s + } + pub fn assert_static() {} +} +fn test_type_param_test() +where + test_type_param::Ty: 'static, +{ + test_type_param::assert_static::() //~^ ERROR: parameter type `A` may not live long enough } mod test_implied_from_fn_sig { - type Opaque = impl Sized; - fn defining() -> Opaque {} + mod foo { + pub type Opaque = impl Sized; + fn defining() -> Opaque {} + } fn assert_static() {} - fn test(_: Opaque) { assert_static::(); } + + fn test(_: foo::Opaque) { + assert_static::(); + } } fn main() {} diff --git a/tests/ui/type-alias-impl-trait/implied_lifetime_wf_check3.stderr b/tests/ui/type-alias-impl-trait/implied_lifetime_wf_check3.stderr index d6dd20739b7a..b7c9c131c7d1 100644 --- a/tests/ui/type-alias-impl-trait/implied_lifetime_wf_check3.stderr +++ b/tests/ui/type-alias-impl-trait/implied_lifetime_wf_check3.stderr @@ -1,36 +1,42 @@ error: lifetime may not live long enough - --> $DIR/implied_lifetime_wf_check3.rs:7:43 + --> $DIR/implied_lifetime_wf_check3.rs:14:5 | -LL | fn test<'a>() where Ty<'a>: 'static { assert_static::<'a>() } - | -- lifetime `'a` defined here ^^^^^^^^^^^^^^^^^^^ requires that `'a` must outlive `'static` +LL | fn test_lifetime_param_test<'a>() + | -- lifetime `'a` defined here +... +LL | test_lifetime_param::assert_static::<'a>() + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ requires that `'a` must outlive `'static` error: lifetime may not live long enough - --> $DIR/implied_lifetime_wf_check3.rs:15:46 + --> $DIR/implied_lifetime_wf_check3.rs:29:5 | -LL | fn test<'a>() where for<'b> Ty<'b>: 'a { assert_static::<'a>() } - | -- lifetime `'a` defined here ^^^^^^^^^^^^^^^^^^^ requires that `'a` must outlive `'static` +LL | fn test_higher_kinded_lifetime_param_test<'a>() + | -- lifetime `'a` defined here +... +LL | test_higher_kinded_lifetime_param::assert_static::<'a>() + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ requires that `'a` must outlive `'static` error: lifetime may not live long enough - --> $DIR/implied_lifetime_wf_check3.rs:21:21 + --> $DIR/implied_lifetime_wf_check3.rs:36:9 | -LL | fn test<'a>() { assert_static::<'a>() } - | -- ^^^^^^^^^^^^^^^^^^^ requires that `'a` must outlive `'static` - | | - | lifetime `'a` defined here +LL | fn test<'a>() { + | -- lifetime `'a` defined here +LL | assert_static::<'a>() + | ^^^^^^^^^^^^^^^^^^^ requires that `'a` must outlive `'static` error[E0310]: the parameter type `A` may not live long enough - --> $DIR/implied_lifetime_wf_check3.rs:29:41 + --> $DIR/implied_lifetime_wf_check3.rs:52:5 | -LL | fn test() where Ty: 'static { assert_static::() } - | ^^^^^^^^^^^^^^^^^^ - | | - | the parameter type `A` must be valid for the static lifetime... - | ...so that the type `A` will meet its required lifetime bounds +LL | test_type_param::assert_static::() + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | | + | the parameter type `A` must be valid for the static lifetime... + | ...so that the type `A` will meet its required lifetime bounds | help: consider adding an explicit lifetime bound | -LL | fn test() where Ty: 'static { assert_static::() } - | +++++++++ +LL | fn test_type_param_test() + | +++++++++ error: aborting due to 4 previous errors diff --git a/tests/ui/type-alias-impl-trait/implied_lifetime_wf_check4_static.rs b/tests/ui/type-alias-impl-trait/implied_lifetime_wf_check4_static.rs index 1a5daa13458c..f8b09814caac 100644 --- a/tests/ui/type-alias-impl-trait/implied_lifetime_wf_check4_static.rs +++ b/tests/ui/type-alias-impl-trait/implied_lifetime_wf_check4_static.rs @@ -1,11 +1,20 @@ #![feature(type_alias_impl_trait)] mod test_type_param_static { - type Ty = impl Sized + 'static; + pub type Ty = impl Sized + 'static; //~^ ERROR: the parameter type `A` may not live long enough - fn defining(s: A) -> Ty { s } - fn assert_static() {} - fn test() where Ty: 'static { assert_static::() } + fn defining(s: A) -> Ty { + s + } + pub fn assert_static() {} +} +use test_type_param_static::*; + +fn test() +where + Ty: 'static, +{ + assert_static::() //~^ ERROR: the parameter type `A` may not live long enough } diff --git a/tests/ui/type-alias-impl-trait/implied_lifetime_wf_check4_static.stderr b/tests/ui/type-alias-impl-trait/implied_lifetime_wf_check4_static.stderr index d1c06330c15e..f2e5e95b96f0 100644 --- a/tests/ui/type-alias-impl-trait/implied_lifetime_wf_check4_static.stderr +++ b/tests/ui/type-alias-impl-trait/implied_lifetime_wf_check4_static.stderr @@ -1,30 +1,30 @@ error[E0310]: the parameter type `A` may not live long enough - --> $DIR/implied_lifetime_wf_check4_static.rs:4:18 + --> $DIR/implied_lifetime_wf_check4_static.rs:4:22 | -LL | type Ty = impl Sized + 'static; - | ^^^^^^^^^^^^^^^^^^^^ - | | - | the parameter type `A` must be valid for the static lifetime... - | ...so that the type `A` will meet its required lifetime bounds +LL | pub type Ty = impl Sized + 'static; + | ^^^^^^^^^^^^^^^^^^^^ + | | + | the parameter type `A` must be valid for the static lifetime... + | ...so that the type `A` will meet its required lifetime bounds | help: consider adding an explicit lifetime bound | -LL | type Ty = impl Sized + 'static; - | +++++++++ +LL | pub type Ty = impl Sized + 'static; + | +++++++++ error[E0310]: the parameter type `A` may not live long enough - --> $DIR/implied_lifetime_wf_check4_static.rs:8:41 + --> $DIR/implied_lifetime_wf_check4_static.rs:17:5 | -LL | fn test() where Ty: 'static { assert_static::() } - | ^^^^^^^^^^^^^^^^^^ - | | - | the parameter type `A` must be valid for the static lifetime... - | ...so that the type `A` will meet its required lifetime bounds +LL | assert_static::() + | ^^^^^^^^^^^^^^^^^^ + | | + | the parameter type `A` must be valid for the static lifetime... + | ...so that the type `A` will meet its required lifetime bounds | help: consider adding an explicit lifetime bound | -LL | fn test() where Ty: 'static { assert_static::() } - | +++++++++ +LL | fn test() + | +++++++++ error: aborting due to 2 previous errors diff --git a/tests/ui/type-alias-impl-trait/issue-101750.rs b/tests/ui/type-alias-impl-trait/issue-101750.rs index 1c5261b7a791..9367be8ca07f 100644 --- a/tests/ui/type-alias-impl-trait/issue-101750.rs +++ b/tests/ui/type-alias-impl-trait/issue-101750.rs @@ -2,17 +2,21 @@ //@ check-pass -trait Trait {} +mod foo { + pub trait Trait {} -type TAIT = impl Trait; + pub type TAIT = impl Trait; -struct Concrete; -impl Trait for Concrete {} + pub struct Concrete; + impl Trait for Concrete {} -fn tait() -> TAIT { - Concrete + pub fn tait() -> TAIT { + Concrete + } } +use foo::*; + trait OuterTrait { type Item; } @@ -24,9 +28,7 @@ impl OuterTrait for Dummy { } fn tait_and_impl_trait() -> impl OuterTrait { - Dummy { - t: (tait(), Concrete), - } + Dummy { t: (tait(), Concrete) } } fn tait_and_dyn_trait() -> impl OuterTrait)> { diff --git a/tests/ui/type-alias-impl-trait/issue-109054.rs b/tests/ui/type-alias-impl-trait/issue-109054.rs index 51f30779cd94..d3eb65215934 100644 --- a/tests/ui/type-alias-impl-trait/issue-109054.rs +++ b/tests/ui/type-alias-impl-trait/issue-109054.rs @@ -11,6 +11,7 @@ impl std::ops::Deref for CallMe { type Target = FnType; fn deref(&self) -> &Self::Target { + //~^ ERROR: item does not constrain `ReturnType fn inner(val: &u32) -> ReturnType { async move { *val * 2 } } diff --git a/tests/ui/type-alias-impl-trait/issue-109054.stderr b/tests/ui/type-alias-impl-trait/issue-109054.stderr index a099b7d8b8a6..2a4aa63bb8ca 100644 --- a/tests/ui/type-alias-impl-trait/issue-109054.stderr +++ b/tests/ui/type-alias-impl-trait/issue-109054.stderr @@ -1,5 +1,18 @@ +error: item does not constrain `ReturnType::{opaque#0}`, but has it in its signature + --> $DIR/issue-109054.rs:13:8 + | +LL | fn deref(&self) -> &Self::Target { + | ^^^^^ + | + = note: consider moving the opaque type's declaration and defining uses into a separate module +note: this opaque type is in the signature + --> $DIR/issue-109054.rs:7:23 + | +LL | type ReturnType<'a> = impl std::future::Future + 'a; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + error[E0792]: expected generic lifetime parameter, found `'_` - --> $DIR/issue-109054.rs:18:9 + --> $DIR/issue-109054.rs:19:9 | LL | type ReturnType<'a> = impl std::future::Future + 'a; | -- this generic parameter must be used with a generic lifetime parameter @@ -7,6 +20,6 @@ LL | type ReturnType<'a> = impl std::future::Future + 'a; LL | &inner | ^^^^^^ -error: aborting due to 1 previous error +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0792`. diff --git a/tests/ui/type-alias-impl-trait/issue-53092.rs b/tests/ui/type-alias-impl-trait/issue-53092.rs index 34bab0260885..83b51227aaae 100644 --- a/tests/ui/type-alias-impl-trait/issue-53092.rs +++ b/tests/ui/type-alias-impl-trait/issue-53092.rs @@ -1,7 +1,14 @@ #![feature(type_alias_impl_trait)] #![allow(dead_code)] -type Bug = impl Fn(T) -> U + Copy; +mod bug { + pub type Bug = impl Fn(T) -> U + Copy; + + fn make_bug>() -> Bug { + |x| x.into() //~ ERROR the trait bound `U: From` is not satisfied + } +} +use bug::Bug; union Moo { x: Bug, @@ -9,11 +16,6 @@ union Moo { } const CONST_BUG: Bug = unsafe { Moo { y: () }.x }; -//~^ ERROR non-defining opaque type use - -fn make_bug>() -> Bug { - |x| x.into() //~ ERROR the trait bound `U: From` is not satisfied -} fn main() { CONST_BUG(0); diff --git a/tests/ui/type-alias-impl-trait/issue-53092.stderr b/tests/ui/type-alias-impl-trait/issue-53092.stderr index 0c4cacd66550..f04750866c76 100644 --- a/tests/ui/type-alias-impl-trait/issue-53092.stderr +++ b/tests/ui/type-alias-impl-trait/issue-53092.stderr @@ -1,32 +1,19 @@ -error[E0792]: non-defining opaque type use in defining scope - --> $DIR/issue-53092.rs:11:18 - | -LL | const CONST_BUG: Bug = unsafe { Moo { y: () }.x }; - | ^^^^^^^^^^^ argument `u8` is not a generic parameter - | -note: for this opaque type - --> $DIR/issue-53092.rs:4:18 - | -LL | type Bug = impl Fn(T) -> U + Copy; - | ^^^^^^^^^^^^^^^^^^^^^^ - error[E0277]: the trait bound `U: From` is not satisfied - --> $DIR/issue-53092.rs:15:5 + --> $DIR/issue-53092.rs:8:9 | -LL | |x| x.into() - | ^^^^^^^^^^^^ the trait `From` is not implemented for `U` +LL | |x| x.into() + | ^^^^^^^^^^^^ the trait `From` is not implemented for `U` | note: required by a bound in `make_bug` - --> $DIR/issue-53092.rs:14:19 + --> $DIR/issue-53092.rs:7:23 | -LL | fn make_bug>() -> Bug { - | ^^^^^^^ required by this bound in `make_bug` +LL | fn make_bug>() -> Bug { + | ^^^^^^^ required by this bound in `make_bug` help: consider restricting type parameter `U` | -LL | type Bug> = impl Fn(T) -> U + Copy; - | +++++++++++++++++++++++ +LL | pub type Bug> = impl Fn(T) -> U + Copy; + | +++++++++++++++++++++++ -error: aborting due to 2 previous errors +error: aborting due to 1 previous error -Some errors have detailed explanations: E0277, E0792. -For more information about an error, try `rustc --explain E0277`. +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/type-alias-impl-trait/issue-53096.rs b/tests/ui/type-alias-impl-trait/issue-53096.rs index 007dcf3bcb68..590fce84fc9f 100644 --- a/tests/ui/type-alias-impl-trait/issue-53096.rs +++ b/tests/ui/type-alias-impl-trait/issue-53096.rs @@ -1,10 +1,13 @@ #![feature(rustc_attrs)] #![feature(type_alias_impl_trait)] -type Foo = impl Fn() -> usize; -const fn bar() -> Foo { - || 0usize +mod foo { + pub type Foo = impl Fn() -> usize; + pub const fn bar() -> Foo { + || 0usize + } } +use foo::*; const BAZR: Foo = bar(); #[rustc_error] diff --git a/tests/ui/type-alias-impl-trait/issue-53096.stderr b/tests/ui/type-alias-impl-trait/issue-53096.stderr index fba1802efd20..0a744e7be9cb 100644 --- a/tests/ui/type-alias-impl-trait/issue-53096.stderr +++ b/tests/ui/type-alias-impl-trait/issue-53096.stderr @@ -1,5 +1,5 @@ error: fatal error triggered by #[rustc_error] - --> $DIR/issue-53096.rs:11:1 + --> $DIR/issue-53096.rs:14:1 | LL | fn main() {} | ^^^^^^^^^ diff --git a/tests/ui/type-alias-impl-trait/issue-58951.rs b/tests/ui/type-alias-impl-trait/issue-58951.rs index 8a9e586eb25b..b9f27b031c72 100644 --- a/tests/ui/type-alias-impl-trait/issue-58951.rs +++ b/tests/ui/type-alias-impl-trait/issue-58951.rs @@ -2,14 +2,16 @@ #![feature(type_alias_impl_trait)] -type A = impl Iterator; +mod helper { + pub type A = impl Iterator; -fn def_a() -> A { - 0..1 + pub fn def_a() -> A { + 0..1 + } } pub fn use_a() { - def_a().map(|x| x); + helper::def_a().map(|x| x); } fn main() {} diff --git a/tests/ui/type-alias-impl-trait/issue-60407.rs b/tests/ui/type-alias-impl-trait/issue-60407.rs index b833429c7692..6c7c76b5ac72 100644 --- a/tests/ui/type-alias-impl-trait/issue-60407.rs +++ b/tests/ui/type-alias-impl-trait/issue-60407.rs @@ -1,6 +1,13 @@ #![feature(type_alias_impl_trait, rustc_attrs)] -type Debuggable = impl core::fmt::Debug; +mod bar { + pub type Debuggable = impl core::fmt::Debug; + + pub fn foo() -> Debuggable { + 0u32 + } +} +use bar::*; static mut TEST: Option = None; @@ -9,7 +16,3 @@ fn main() { //~^ ERROR unsafe { TEST = Some(foo()) } } - -fn foo() -> Debuggable { - 0u32 -} diff --git a/tests/ui/type-alias-impl-trait/issue-60407.stderr b/tests/ui/type-alias-impl-trait/issue-60407.stderr index 583156b9f7cb..bba9092e9775 100644 --- a/tests/ui/type-alias-impl-trait/issue-60407.stderr +++ b/tests/ui/type-alias-impl-trait/issue-60407.stderr @@ -1,5 +1,5 @@ error: fatal error triggered by #[rustc_error] - --> $DIR/issue-60407.rs:8:1 + --> $DIR/issue-60407.rs:15:1 | LL | fn main() { | ^^^^^^^^^ diff --git a/tests/ui/type-alias-impl-trait/issue-63355.rs b/tests/ui/type-alias-impl-trait/issue-63355.rs index 0c977b309949..a0d0355b5af5 100644 --- a/tests/ui/type-alias-impl-trait/issue-63355.rs +++ b/tests/ui/type-alias-impl-trait/issue-63355.rs @@ -1,5 +1,4 @@ #![feature(type_alias_impl_trait)] -//@ check-pass pub trait Foo {} @@ -39,6 +38,7 @@ impl Baz for () { } fn bar() -> Self::Bar { + //~^ ERROR: item does not constrain `FooImpl::{opaque#0}` () } } diff --git a/tests/ui/type-alias-impl-trait/issue-63355.stderr b/tests/ui/type-alias-impl-trait/issue-63355.stderr new file mode 100644 index 000000000000..6755c0380560 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/issue-63355.stderr @@ -0,0 +1,15 @@ +error: item does not constrain `FooImpl::{opaque#0}`, but has it in its signature + --> $DIR/issue-63355.rs:40:8 + | +LL | fn bar() -> Self::Bar { + | ^^^ + | + = note: consider moving the opaque type's declaration and defining uses into a separate module +note: this opaque type is in the signature + --> $DIR/issue-63355.rs:29:20 + | +LL | pub type FooImpl = impl Foo; + | ^^^^^^^^ + +error: aborting due to 1 previous error + diff --git a/tests/ui/type-alias-impl-trait/issue-65679-inst-opaque-ty-from-val-twice.rs b/tests/ui/type-alias-impl-trait/issue-65679-inst-opaque-ty-from-val-twice.rs index 61251d7f6da9..f98ce4a426c4 100644 --- a/tests/ui/type-alias-impl-trait/issue-65679-inst-opaque-ty-from-val-twice.rs +++ b/tests/ui/type-alias-impl-trait/issue-65679-inst-opaque-ty-from-val-twice.rs @@ -1,19 +1,21 @@ //@ check-pass #![feature(type_alias_impl_trait, rustc_attrs)] +mod foo { + pub type T = impl Sized; + // The concrete type referred by impl-trait-type-alias(`T`) is guaranteed + // to be the same as where it occurs, whereas `impl Trait`'s instance is location sensitive; + // so difference assertion should not be declared on impl-trait-type-alias's instances. + // for details, check RFC-2515: + // https://github.com/rust-lang/rfcs/blob/master/text/2515-type_alias_impl_trait.md -type T = impl Sized; -// The concrete type referred by impl-trait-type-alias(`T`) is guaranteed -// to be the same as where it occurs, whereas `impl Trait`'s instance is location sensitive; -// so difference assertion should not be declared on impl-trait-type-alias's instances. -// for details, check RFC-2515: -// https://github.com/rust-lang/rfcs/blob/master/text/2515-type_alias_impl_trait.md + fn bop(_: T) { + super::take(|| {}); + super::take(|| {}); + } +} +use foo::*; fn take(_: fn() -> T) {} -fn bop(_: T) { - take(|| {}); - take(|| {}); -} - fn main() {} diff --git a/tests/ui/type-alias-impl-trait/issue-65918.rs b/tests/ui/type-alias-impl-trait/issue-65918.rs index c81650876c8a..275b9717cef3 100644 --- a/tests/ui/type-alias-impl-trait/issue-65918.rs +++ b/tests/ui/type-alias-impl-trait/issue-65918.rs @@ -15,10 +15,13 @@ trait MyFrom: Sized { } /* MCVE starts here */ -trait F {} -impl F for () {} -type DummyT = impl F; -fn _dummy_t() -> DummyT {} +mod f { + pub trait F {} + impl F for () {} + pub type DummyT = impl F; + fn _dummy_t() -> DummyT {} +} +use f::DummyT; struct Phantom1(PhantomData); struct Phantom2(PhantomData); diff --git a/tests/ui/type-alias-impl-trait/issue-72793.rs b/tests/ui/type-alias-impl-trait/issue-72793.rs index 9389517e37bd..0353b7f3787b 100644 --- a/tests/ui/type-alias-impl-trait/issue-72793.rs +++ b/tests/ui/type-alias-impl-trait/issue-72793.rs @@ -3,18 +3,24 @@ #![feature(type_alias_impl_trait)] -trait T { type Item; } +mod foo { + pub trait T { + type Item; + } -type Alias<'a> = impl T; + pub type Alias<'a> = impl T; -struct S; -impl<'a> T for &'a S { - type Item = &'a (); + struct S; + impl<'a> T for &'a S { + type Item = &'a (); + } + + pub fn filter_positive<'a>() -> Alias<'a> { + &S + } } -fn filter_positive<'a>() -> Alias<'a> { - &S -} +use foo::*; fn with_positive(fun: impl Fn(Alias<'_>)) { fun(filter_positive()); diff --git a/tests/ui/type-alias-impl-trait/issue-76202-trait-impl-for-tait.rs b/tests/ui/type-alias-impl-trait/issue-76202-trait-impl-for-tait.rs index 9ceef0139f05..90ab4fd8d977 100644 --- a/tests/ui/type-alias-impl-trait/issue-76202-trait-impl-for-tait.rs +++ b/tests/ui/type-alias-impl-trait/issue-76202-trait-impl-for-tait.rs @@ -7,11 +7,18 @@ //@ check-pass #![feature(type_alias_impl_trait)] +mod g { + pub trait Dummy {} + impl Dummy for () {} + pub type F = impl Dummy; + pub fn f() -> F {} +} +use g::*; + trait Test { fn test(self); } - impl Test for define::F { fn test(self) {} } diff --git a/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.current.stderr b/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.current.stderr index a7ff097e8bf3..2b064dcfc31a 100644 --- a/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.current.stderr +++ b/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.current.stderr @@ -1,5 +1,18 @@ +error: item does not constrain `Bar::{opaque#0}`, but has it in its signature + --> $DIR/issue-84660-unsoundness.rs:22:8 + | +LL | fn convert(_i: In) -> Self::Out { + | ^^^^^^^ + | + = note: consider moving the opaque type's declaration and defining uses into a separate module +note: this opaque type is in the signature + --> $DIR/issue-84660-unsoundness.rs:12:12 + | +LL | type Bar = impl Foo; + | ^^^^^^^^ + error[E0119]: conflicting implementations of trait `Trait` - --> $DIR/issue-84660-unsoundness.rs:28:1 + --> $DIR/issue-84660-unsoundness.rs:29:1 | LL | impl Trait for Out { | ------------------------------------ first implementation here @@ -7,6 +20,6 @@ LL | impl Trait for Out { LL | impl Trait<(), In> for Out { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation -error: aborting due to 1 previous error +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0119`. diff --git a/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.next.stderr b/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.next.stderr index 607f0b062abd..4c8a25edfedb 100644 --- a/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.next.stderr +++ b/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.next.stderr @@ -4,12 +4,13 @@ error[E0284]: type annotations needed: cannot satisfy `>:: LL | fn convert(_i: In) -> Self::Out { | _____________________________________^ LL | | +LL | | LL | | unreachable!(); LL | | } | |_____^ cannot satisfy `>::Out == ()` error[E0119]: conflicting implementations of trait `Trait` - --> $DIR/issue-84660-unsoundness.rs:28:1 + --> $DIR/issue-84660-unsoundness.rs:29:1 | LL | impl Trait for Out { | ------------------------------------ first implementation here diff --git a/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.rs b/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.rs index fd1f3c6353c6..73c8deb3a4d9 100644 --- a/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.rs +++ b/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.rs @@ -21,6 +21,7 @@ impl Trait for Out { type Out = Out; fn convert(_i: In) -> Self::Out { //[next]~^ ERROR: cannot satisfy `>::Out == ()` + //[current]~^^ ERROR: item does not constrain `Bar::{opaque#0}`, but has it in its signature unreachable!(); } } diff --git a/tests/ui/type-alias-impl-trait/nested-tait-inference3.rs b/tests/ui/type-alias-impl-trait/nested-tait-inference3.rs index b0ebdd1bfab7..a7d824c5a6a0 100644 --- a/tests/ui/type-alias-impl-trait/nested-tait-inference3.rs +++ b/tests/ui/type-alias-impl-trait/nested-tait-inference3.rs @@ -6,12 +6,13 @@ use std::fmt::Debug; type FooX = impl Debug; //~^ ERROR unconstrained opaque type -trait Foo { } +trait Foo {} -impl Foo for () { } +impl Foo for () {} fn foo() -> impl Foo { + //~^ ERROR: item does not constrain () } -fn main() { } +fn main() {} diff --git a/tests/ui/type-alias-impl-trait/nested-tait-inference3.stderr b/tests/ui/type-alias-impl-trait/nested-tait-inference3.stderr index ce5d30370534..9ccd95448963 100644 --- a/tests/ui/type-alias-impl-trait/nested-tait-inference3.stderr +++ b/tests/ui/type-alias-impl-trait/nested-tait-inference3.stderr @@ -1,3 +1,16 @@ +error: item does not constrain `FooX::{opaque#0}`, but has it in its signature + --> $DIR/nested-tait-inference3.rs:13:4 + | +LL | fn foo() -> impl Foo { + | ^^^ + | + = note: consider moving the opaque type's declaration and defining uses into a separate module +note: this opaque type is in the signature + --> $DIR/nested-tait-inference3.rs:6:13 + | +LL | type FooX = impl Debug; + | ^^^^^^^^^^ + error: unconstrained opaque type --> $DIR/nested-tait-inference3.rs:6:13 | @@ -6,5 +19,5 @@ LL | type FooX = impl Debug; | = note: `FooX` must be used in combination with a concrete type within the same module -error: aborting due to 1 previous error +error: aborting due to 2 previous errors diff --git a/tests/ui/type-alias-impl-trait/nested.rs b/tests/ui/type-alias-impl-trait/nested.rs index 6b866be7d173..524703939f1d 100644 --- a/tests/ui/type-alias-impl-trait/nested.rs +++ b/tests/ui/type-alias-impl-trait/nested.rs @@ -8,6 +8,7 @@ trait Trait {} impl Trait for U {} fn bar() -> Bar { + //~^ ERROR: item does not constrain 42 } diff --git a/tests/ui/type-alias-impl-trait/nested.stderr b/tests/ui/type-alias-impl-trait/nested.stderr index a19d4c4eb716..ca1cf6058ea9 100644 --- a/tests/ui/type-alias-impl-trait/nested.stderr +++ b/tests/ui/type-alias-impl-trait/nested.stderr @@ -1,5 +1,18 @@ +error: item does not constrain `Foo::{opaque#0}`, but has it in its signature + --> $DIR/nested.rs:10:4 + | +LL | fn bar() -> Bar { + | ^^^ + | + = note: consider moving the opaque type's declaration and defining uses into a separate module +note: this opaque type is in the signature + --> $DIR/nested.rs:3:12 + | +LL | type Foo = impl std::fmt::Debug; + | ^^^^^^^^^^^^^^^^^^^^ + error[E0277]: `Bar` doesn't implement `Debug` - --> $DIR/nested.rs:15:22 + --> $DIR/nested.rs:16:22 | LL | println!("{:?}", bar()); | ^^^^^ `Bar` cannot be formatted using `{:?}` because it doesn't implement `Debug` @@ -7,6 +20,6 @@ LL | println!("{:?}", bar()); = help: the trait `Debug` is not implemented for `Bar` = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) -error: aborting due to 1 previous error +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/type-alias-impl-trait/nested_type_alias_impl_trait.rs b/tests/ui/type-alias-impl-trait/nested_type_alias_impl_trait.rs index 07607516cc4b..4def8948708f 100644 --- a/tests/ui/type-alias-impl-trait/nested_type_alias_impl_trait.rs +++ b/tests/ui/type-alias-impl-trait/nested_type_alias_impl_trait.rs @@ -11,6 +11,7 @@ mod my_mod { } pub fn get_foot(_: Foo) -> Foot { + //~^ ERROR: item does not constrain `Foo::{opaque#0}`, but has it in its signature get_foo() //~ ERROR opaque type's hidden type cannot be another opaque type } } diff --git a/tests/ui/type-alias-impl-trait/nested_type_alias_impl_trait.stderr b/tests/ui/type-alias-impl-trait/nested_type_alias_impl_trait.stderr index 3e67a162f0f0..889cff1ba09e 100644 --- a/tests/ui/type-alias-impl-trait/nested_type_alias_impl_trait.stderr +++ b/tests/ui/type-alias-impl-trait/nested_type_alias_impl_trait.stderr @@ -1,5 +1,18 @@ +error: item does not constrain `Foo::{opaque#0}`, but has it in its signature + --> $DIR/nested_type_alias_impl_trait.rs:13:12 + | +LL | pub fn get_foot(_: Foo) -> Foot { + | ^^^^^^^^ + | + = note: consider moving the opaque type's declaration and defining uses into a separate module +note: this opaque type is in the signature + --> $DIR/nested_type_alias_impl_trait.rs:6:20 + | +LL | pub type Foo = impl Debug; + | ^^^^^^^^^^ + error: opaque type's hidden type cannot be another opaque type from the same scope - --> $DIR/nested_type_alias_impl_trait.rs:14:9 + --> $DIR/nested_type_alias_impl_trait.rs:15:9 | LL | get_foo() | ^^^^^^^^^ one of the two opaque types used here has to be outside its defining scope @@ -15,5 +28,5 @@ note: opaque type being used as hidden type LL | pub type Foo = impl Debug; | ^^^^^^^^^^ -error: aborting due to 1 previous error +error: aborting due to 2 previous errors diff --git a/tests/ui/type-alias-impl-trait/no_inferrable_concrete_type.rs b/tests/ui/type-alias-impl-trait/no_inferrable_concrete_type.rs index 6431cf37df7a..3954672500b4 100644 --- a/tests/ui/type-alias-impl-trait/no_inferrable_concrete_type.rs +++ b/tests/ui/type-alias-impl-trait/no_inferrable_concrete_type.rs @@ -9,6 +9,7 @@ mod foo { // make compiler happy about using 'Foo' pub fn bar(x: Foo) -> Foo { + //~^ ERROR: item does not constrain `Foo::{opaque#0}` x } } diff --git a/tests/ui/type-alias-impl-trait/no_inferrable_concrete_type.stderr b/tests/ui/type-alias-impl-trait/no_inferrable_concrete_type.stderr index fabc80c0a4f2..d95a4a8a727a 100644 --- a/tests/ui/type-alias-impl-trait/no_inferrable_concrete_type.stderr +++ b/tests/ui/type-alias-impl-trait/no_inferrable_concrete_type.stderr @@ -1,3 +1,16 @@ +error: item does not constrain `Foo::{opaque#0}`, but has it in its signature + --> $DIR/no_inferrable_concrete_type.rs:11:12 + | +LL | pub fn bar(x: Foo) -> Foo { + | ^^^ + | + = note: consider moving the opaque type's declaration and defining uses into a separate module +note: this opaque type is in the signature + --> $DIR/no_inferrable_concrete_type.rs:7:20 + | +LL | pub type Foo = impl Copy; + | ^^^^^^^^^ + error: unconstrained opaque type --> $DIR/no_inferrable_concrete_type.rs:7:20 | @@ -6,5 +19,5 @@ LL | pub type Foo = impl Copy; | = note: `Foo` must be used in combination with a concrete type within the same module -error: aborting due to 1 previous error +error: aborting due to 2 previous errors diff --git a/tests/ui/type-alias-impl-trait/normalize-alias-type.rs b/tests/ui/type-alias-impl-trait/normalize-alias-type.rs index 605799260385..9fcf42e188c7 100644 --- a/tests/ui/type-alias-impl-trait/normalize-alias-type.rs +++ b/tests/ui/type-alias-impl-trait/normalize-alias-type.rs @@ -8,25 +8,32 @@ pub trait Tr { impl Tr for (u32,) { #[inline] - fn get(&self) -> u32 { self.0 } + fn get(&self) -> u32 { + self.0 + } } pub fn tr1() -> impl Tr { (32,) } -pub fn tr2() -> impl Tr { - struct Inner { - x: X, - } - type X = impl Tr; - impl Tr for Inner { - fn get(&self) -> u32 { - self.x.get() - } - } - - Inner { - x: tr1(), +struct Inner { + x: helper::X, +} +impl Tr for Inner { + fn get(&self) -> u32 { + self.x.get() + } +} + +mod helper { + pub use super::*; + pub type X = impl Tr; + + pub fn tr2() -> impl Tr + where + X:, + { + Inner { x: tr1() } } } diff --git a/tests/ui/type-alias-impl-trait/outlives-bound-var.rs b/tests/ui/type-alias-impl-trait/outlives-bound-var.rs index 0ae2c9600ce3..2c6f44d5416e 100644 --- a/tests/ui/type-alias-impl-trait/outlives-bound-var.rs +++ b/tests/ui/type-alias-impl-trait/outlives-bound-var.rs @@ -5,8 +5,11 @@ //@ check-pass #![feature(type_alias_impl_trait)] -type Ty<'a> = impl Sized + 'a; -fn define<'a>() -> Ty<'a> {} +mod tait { + pub type Ty<'a> = impl Sized + 'a; + fn define<'a>() -> Ty<'a> {} +} +use tait::Ty; // Ty<'^0>: 'static fn test1(_: &'static fn(Ty<'_>)) {} @@ -15,4 +18,4 @@ fn test2() { None::<&fn(Ty<'_>)>; } -fn main() { } +fn main() {} diff --git a/tests/ui/type-alias-impl-trait/recursive-tait-conflicting-defn.rs b/tests/ui/type-alias-impl-trait/recursive-tait-conflicting-defn.rs index e221f4f3f55c..38fb493b4989 100644 --- a/tests/ui/type-alias-impl-trait/recursive-tait-conflicting-defn.rs +++ b/tests/ui/type-alias-impl-trait/recursive-tait-conflicting-defn.rs @@ -9,26 +9,29 @@ struct A; impl Test for A {} struct B { - inner: T, + inner: T, } impl Test for B {} -type TestImpl = impl Test; +mod helper { + use super::*; + pub type TestImpl = impl Test; -fn test() -> TestImpl { - A + pub fn test() -> TestImpl { + A + } + + fn make_option2() -> Option { + let inner = make_option().unwrap(); + + Some(B { inner }) + //~^ ERROR concrete type differs from previous defining opaque type use + } } -fn make_option() -> Option { - Some(test()) -} - -fn make_option2() -> Option { - let inner = make_option().unwrap(); - - Some(B { inner }) - //~^ ERROR concrete type differs from previous defining opaque type use +fn make_option() -> Option { + Some(helper::test()) } fn main() {} diff --git a/tests/ui/type-alias-impl-trait/recursive-tait-conflicting-defn.stderr b/tests/ui/type-alias-impl-trait/recursive-tait-conflicting-defn.stderr index 05825e686259..252c5d7dfa76 100644 --- a/tests/ui/type-alias-impl-trait/recursive-tait-conflicting-defn.stderr +++ b/tests/ui/type-alias-impl-trait/recursive-tait-conflicting-defn.stderr @@ -1,14 +1,14 @@ error: concrete type differs from previous defining opaque type use - --> $DIR/recursive-tait-conflicting-defn.rs:30:3 + --> $DIR/recursive-tait-conflicting-defn.rs:28:9 | -LL | Some(B { inner }) - | ^^^^^^^^^^^^^^^^^ expected `A`, got `B` +LL | Some(B { inner }) + | ^^^^^^^^^^^^^^^^^ expected `A`, got `B` | note: previous use here - --> $DIR/recursive-tait-conflicting-defn.rs:20:3 + --> $DIR/recursive-tait-conflicting-defn.rs:22:9 | -LL | A - | ^ +LL | A + | ^ error: aborting due to 1 previous error diff --git a/tests/ui/type-alias-impl-trait/rpit_tait_equality_in_canonical_query.rs b/tests/ui/type-alias-impl-trait/rpit_tait_equality_in_canonical_query.rs index 6f50703aca24..37d84feee4b8 100644 --- a/tests/ui/type-alias-impl-trait/rpit_tait_equality_in_canonical_query.rs +++ b/tests/ui/type-alias-impl-trait/rpit_tait_equality_in_canonical_query.rs @@ -12,15 +12,19 @@ #![feature(type_alias_impl_trait)] -type Opaque = impl Sized; +mod helper { + pub type Opaque = impl Sized; -fn get_rpit() -> impl Clone {} + pub fn get_rpit() -> impl Clone {} + + fn test() -> Opaque { + super::query(get_rpit); + get_rpit() + } +} + +use helper::*; fn query(_: impl FnOnce() -> Opaque) {} -fn test() -> Opaque { - query(get_rpit); - get_rpit() -} - fn main() {} diff --git a/tests/ui/type-alias-impl-trait/rpit_tait_equality_in_canonical_query_2.rs b/tests/ui/type-alias-impl-trait/rpit_tait_equality_in_canonical_query_2.rs index 9cb0316b7a38..80f1b1502d3b 100644 --- a/tests/ui/type-alias-impl-trait/rpit_tait_equality_in_canonical_query_2.rs +++ b/tests/ui/type-alias-impl-trait/rpit_tait_equality_in_canonical_query_2.rs @@ -5,14 +5,17 @@ #![feature(type_alias_impl_trait)] -type Opaque = impl Sized; +mod helper { + pub type Opaque = impl Sized; -fn get_rpit() -> impl Sized {} + pub fn get_rpit() -> impl Sized {} + + fn test(_: Opaque) { + super::query(get_rpit); + } +} +use helper::*; fn query(_: impl FnOnce() -> Opaque) {} -fn test(_: Opaque) { - query(get_rpit); -} - fn main() {} diff --git a/tests/ui/type-alias-impl-trait/self_implication.rs b/tests/ui/type-alias-impl-trait/self_implication.rs index eed13933a037..56464af96ed8 100644 --- a/tests/ui/type-alias-impl-trait/self_implication.rs +++ b/tests/ui/type-alias-impl-trait/self_implication.rs @@ -16,17 +16,18 @@ fn foo() { let _b = z; // this should *not* check that `'a` in the type `Foo<'a>::foo::opaque` is live } +struct Foo<'a> { + x: &'a mut u8, +} +// desugared +mod foo { + pub type FooX = impl Sized; + impl<'a> super::Foo<'a> { + pub fn foo(&self) -> FooX {} + } +} + fn bar() { - struct Foo<'a> { - x: &'a mut u8, - } - - // desugared - type FooX = impl Sized; - impl<'a> Foo<'a> { - fn foo(&self) -> FooX {} - } - // use site let mut x = 5; let y = Foo { x: &mut x }; diff --git a/tests/ui/type-alias-impl-trait/structural-match-no-leak.rs b/tests/ui/type-alias-impl-trait/structural-match-no-leak.rs index c2ab6a9d10aa..27f5799c3804 100644 --- a/tests/ui/type-alias-impl-trait/structural-match-no-leak.rs +++ b/tests/ui/type-alias-impl-trait/structural-match-no-leak.rs @@ -1,13 +1,15 @@ #![feature(type_alias_impl_trait)] -type Bar = impl Send; +mod bar { + pub type Bar = impl Send; -// While i32 is structural-match, we do not want to leak this information. -// (See https://github.com/rust-lang/rust/issues/72156) -const fn leak_free() -> Bar { - 7i32 + // While i32 is structural-match, we do not want to leak this information. + // (See https://github.com/rust-lang/rust/issues/72156) + pub const fn leak_free() -> Bar { + 7i32 + } } -const LEAK_FREE: Bar = leak_free(); +const LEAK_FREE: bar::Bar = bar::leak_free(); fn leak_free_test() { match LEAK_FREE { diff --git a/tests/ui/type-alias-impl-trait/structural-match-no-leak.stderr b/tests/ui/type-alias-impl-trait/structural-match-no-leak.stderr index b1ccd5cc402d..98d71aa9a17d 100644 --- a/tests/ui/type-alias-impl-trait/structural-match-no-leak.stderr +++ b/tests/ui/type-alias-impl-trait/structural-match-no-leak.stderr @@ -1,5 +1,5 @@ error: `Bar` cannot be used in patterns - --> $DIR/structural-match-no-leak.rs:14:9 + --> $DIR/structural-match-no-leak.rs:16:9 | LL | LEAK_FREE => (), | ^^^^^^^^^ diff --git a/tests/ui/type-alias-impl-trait/structural-match.rs b/tests/ui/type-alias-impl-trait/structural-match.rs index 7cc9ccaabdca..502595915397 100644 --- a/tests/ui/type-alias-impl-trait/structural-match.rs +++ b/tests/ui/type-alias-impl-trait/structural-match.rs @@ -1,19 +1,22 @@ #![feature(type_alias_impl_trait)] -type Foo = impl Send; +mod foo { + pub type Foo = impl Send; -// This is not structural-match -struct A; + // This is not structural-match + struct A; -const fn value() -> Foo { - A + pub const fn value() -> Foo { + A + } } +use foo::*; const VALUE: Foo = value(); fn test() { match VALUE { VALUE => (), - //~^ `Foo` cannot be used in patterns + //~^ `foo::Foo` cannot be used in patterns _ => (), } } diff --git a/tests/ui/type-alias-impl-trait/structural-match.stderr b/tests/ui/type-alias-impl-trait/structural-match.stderr index b0415db0e55c..c7478b0a135e 100644 --- a/tests/ui/type-alias-impl-trait/structural-match.stderr +++ b/tests/ui/type-alias-impl-trait/structural-match.stderr @@ -1,5 +1,5 @@ -error: `Foo` cannot be used in patterns - --> $DIR/structural-match.rs:15:9 +error: `foo::Foo` cannot be used in patterns + --> $DIR/structural-match.rs:18:9 | LL | VALUE => (), | ^^^^^ diff --git a/tests/ui/type-alias-impl-trait/type-alias-impl-trait-fns.rs b/tests/ui/type-alias-impl-trait/type-alias-impl-trait-fns.rs index bd580a78984a..cbd91066c49d 100644 --- a/tests/ui/type-alias-impl-trait/type-alias-impl-trait-fns.rs +++ b/tests/ui/type-alias-impl-trait/type-alias-impl-trait-fns.rs @@ -1,5 +1,3 @@ -//@ check-pass - #![feature(type_alias_impl_trait)] // Regression test for issue #61863 @@ -18,6 +16,7 @@ fn bla() -> TE { } fn bla2() -> TE { + //~^ ERROR: item does not constrain `TE::{opaque#0}`, but has it in its signature bla() } diff --git a/tests/ui/type-alias-impl-trait/type-alias-impl-trait-fns.stderr b/tests/ui/type-alias-impl-trait/type-alias-impl-trait-fns.stderr new file mode 100644 index 000000000000..819bde021836 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/type-alias-impl-trait-fns.stderr @@ -0,0 +1,15 @@ +error: item does not constrain `TE::{opaque#0}`, but has it in its signature + --> $DIR/type-alias-impl-trait-fns.rs:18:4 + | +LL | fn bla2() -> TE { + | ^^^^ + | + = note: consider moving the opaque type's declaration and defining uses into a separate module +note: this opaque type is in the signature + --> $DIR/type-alias-impl-trait-fns.rs:23:11 + | +LL | type TE = impl MyTrait; + | ^^^^^^^^^^^^ + +error: aborting due to 1 previous error + diff --git a/tests/ui/type-alias-impl-trait/type-alias-impl-trait-tuple.next.stderr b/tests/ui/type-alias-impl-trait/type-alias-impl-trait-tuple.next.stderr deleted file mode 100644 index 036ab66f79d1..000000000000 --- a/tests/ui/type-alias-impl-trait/type-alias-impl-trait-tuple.next.stderr +++ /dev/null @@ -1,15 +0,0 @@ -error[E0284]: type annotations needed: cannot satisfy `Foo == _` - --> $DIR/type-alias-impl-trait-tuple.rs:22:24 - | -LL | Blah { my_foo: make_foo(), my_u8: 12 } - | ^^^^^^^^^^ cannot satisfy `Foo == _` - -error[E0284]: type annotations needed: cannot satisfy `Foo == _` - --> $DIR/type-alias-impl-trait-tuple.rs:26:10 - | -LL | (self.my_foo, self.my_u8, make_foo()) - | ^^^^^^^^^^^ cannot satisfy `Foo == _` - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0284`. diff --git a/tests/ui/type-alias-impl-trait/type-alias-impl-trait-tuple.rs b/tests/ui/type-alias-impl-trait/type-alias-impl-trait-tuple.rs index fadb92ab4401..8e90f9699532 100644 --- a/tests/ui/type-alias-impl-trait/type-alias-impl-trait-tuple.rs +++ b/tests/ui/type-alias-impl-trait/type-alias-impl-trait-tuple.rs @@ -1,16 +1,24 @@ //@ revisions: current next //@ ignore-compare-mode-next-solver (explicit revisions) //@[next] compile-flags: -Znext-solver -//@[current] check-pass +//@ check-pass #![feature(type_alias_impl_trait)] #![allow(dead_code)] -pub trait MyTrait {} +mod foo { + pub trait MyTrait {} -impl MyTrait for bool {} + impl MyTrait for bool {} -type Foo = impl MyTrait; + pub type Foo = impl MyTrait; + + pub fn make_foo() -> Foo { + true + } +} + +use foo::*; struct Blah { my_foo: Foo, @@ -20,16 +28,10 @@ struct Blah { impl Blah { fn new() -> Blah { Blah { my_foo: make_foo(), my_u8: 12 } - //[next]~^ ERROR type annotations needed: cannot satisfy `Foo == _` } fn into_inner(self) -> (Foo, u8, Foo) { (self.my_foo, self.my_u8, make_foo()) - //[next]~^ ERROR type annotations needed: cannot satisfy `Foo == _` } } -fn make_foo() -> Foo { - true -} - fn main() {} diff --git a/tests/ui/type-alias-impl-trait/unbounded_opaque_type.rs b/tests/ui/type-alias-impl-trait/unbounded_opaque_type.rs index 03afec859d27..09ff006acbdd 100644 --- a/tests/ui/type-alias-impl-trait/unbounded_opaque_type.rs +++ b/tests/ui/type-alias-impl-trait/unbounded_opaque_type.rs @@ -1,10 +1,15 @@ //@ check-pass #![feature(type_alias_impl_trait)] -type Opaque = impl Sized; -fn defining() -> Opaque {} -struct Ss<'a, T>(&'a Opaque); +mod opaque { + pub type Opaque = impl Sized; + fn defining() -> Opaque {} +} + +use opaque::Opaque; + +struct Ss<'a, T>(&'a Opaque); fn test<'a, T>(_: Ss<'a, T>) { // test that we have an implied bound `Opaque: 'a` from fn signature diff --git a/tests/ui/type-alias-impl-trait/underef-index-out-of-bounds-121472.rs b/tests/ui/type-alias-impl-trait/underef-index-out-of-bounds-121472.rs index 37e0d89efc75..56d975355c3e 100644 --- a/tests/ui/type-alias-impl-trait/underef-index-out-of-bounds-121472.rs +++ b/tests/ui/type-alias-impl-trait/underef-index-out-of-bounds-121472.rs @@ -1,16 +1,21 @@ // test for ICE #121472 index out of bounds un_derefer.rs #![feature(type_alias_impl_trait)] -trait T {} +mod foo { + pub trait T {} -type Alias<'a> = impl T; + pub type Alias<'a> = impl T; + fn bar() { + super::with_positive(|&n| ()); + //~^ ERROR mismatched types + } +} + +use foo::*; struct S; impl<'a> T for &'a S {} fn with_positive(fun: impl Fn(Alias<'_>)) {} -fn main() { - with_positive(|&n| ()); - //~^ ERROR mismatched types -} +fn main() {} diff --git a/tests/ui/type-alias-impl-trait/underef-index-out-of-bounds-121472.stderr b/tests/ui/type-alias-impl-trait/underef-index-out-of-bounds-121472.stderr index a224bab0705e..279bd3bca5ab 100644 --- a/tests/ui/type-alias-impl-trait/underef-index-out-of-bounds-121472.stderr +++ b/tests/ui/type-alias-impl-trait/underef-index-out-of-bounds-121472.stderr @@ -1,21 +1,21 @@ error[E0308]: mismatched types - --> $DIR/underef-index-out-of-bounds-121472.rs:14:20 + --> $DIR/underef-index-out-of-bounds-121472.rs:9:31 | -LL | type Alias<'a> = impl T; - | ------ the expected opaque type -... -LL | with_positive(|&n| ()); - | ^^ - | | - | expected opaque type, found `&_` - | expected due to this +LL | pub type Alias<'a> = impl T; + | ------ the expected opaque type +LL | fn bar() { +LL | super::with_positive(|&n| ()); + | ^^ + | | + | expected opaque type, found `&_` + | expected due to this | - = note: expected opaque type `Alias<'_>` + = note: expected opaque type `foo::Alias<'_>` found reference `&_` help: consider removing `&` from the pattern | -LL - with_positive(|&n| ()); -LL + with_positive(|n| ()); +LL - super::with_positive(|&n| ()); +LL + super::with_positive(|n| ()); | error: aborting due to 1 previous error diff --git a/tests/ui/type-alias-impl-trait/unnameable_type.rs b/tests/ui/type-alias-impl-trait/unnameable_type.rs index 1739ab0063fa..5813f529dea1 100644 --- a/tests/ui/type-alias-impl-trait/unnameable_type.rs +++ b/tests/ui/type-alias-impl-trait/unnameable_type.rs @@ -15,10 +15,11 @@ use private::Trait; // downstream type MyPrivate = impl Sized; -//~^ ERROR: unconstrained opaque type impl Trait for u32 { - fn dont_define_this(_private: MyPrivate) {} - //~^ ERROR: incompatible type for trait + fn dont_define_this(private: MyPrivate) { + //~^ ERROR: incompatible type for trait + let _: () = private; + } } fn main() {} diff --git a/tests/ui/type-alias-impl-trait/unnameable_type.stderr b/tests/ui/type-alias-impl-trait/unnameable_type.stderr index e9032433494a..f567b01d29a1 100644 --- a/tests/ui/type-alias-impl-trait/unnameable_type.stderr +++ b/tests/ui/type-alias-impl-trait/unnameable_type.stderr @@ -1,22 +1,14 @@ -error: unconstrained opaque type - --> $DIR/unnameable_type.rs:17:18 - | -LL | type MyPrivate = impl Sized; - | ^^^^^^^^^^ - | - = note: `MyPrivate` must be used in combination with a concrete type within the same module - error[E0053]: method `dont_define_this` has an incompatible type for trait - --> $DIR/unnameable_type.rs:20:35 + --> $DIR/unnameable_type.rs:19:34 | LL | type MyPrivate = impl Sized; | ---------- the found opaque type -... -LL | fn dont_define_this(_private: MyPrivate) {} - | ^^^^^^^^^ - | | - | expected `Private`, found opaque type - | help: change the parameter type to match the trait: `Private` +LL | impl Trait for u32 { +LL | fn dont_define_this(private: MyPrivate) { + | ^^^^^^^^^ + | | + | expected `Private`, found opaque type + | help: change the parameter type to match the trait: `Private` | note: type in trait --> $DIR/unnameable_type.rs:10:39 @@ -26,6 +18,6 @@ LL | fn dont_define_this(_private: Private) {} = note: expected signature `fn(Private)` found signature `fn(MyPrivate)` -error: aborting due to 2 previous errors +error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0053`. From 85f2ecab576d3f02619b4d4976a6d7827c65ed4b Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Tue, 11 Jun 2024 15:32:38 +0000 Subject: [PATCH 1371/1716] Add a `fn main() {}` to a doctest to prevent the test from being wrapped in a `fn main() {}` body --- compiler/rustc_error_codes/src/error_codes/E0792.md | 4 ++++ compiler/rustc_lint/src/opaque_hidden_inferred_bound.rs | 2 ++ 2 files changed, 6 insertions(+) diff --git a/compiler/rustc_error_codes/src/error_codes/E0792.md b/compiler/rustc_error_codes/src/error_codes/E0792.md index bad2b5abfe4d..5e3dcc4aa727 100644 --- a/compiler/rustc_error_codes/src/error_codes/E0792.md +++ b/compiler/rustc_error_codes/src/error_codes/E0792.md @@ -39,6 +39,8 @@ type Foo = impl std::fmt::Debug; fn foo() -> Foo { 5u32 } + +fn main() {} ``` This means that no matter the generic parameter to `foo`, @@ -57,4 +59,6 @@ type Foo = impl Debug; fn foo() -> Foo { Vec::::new() } + +fn main() {} ``` diff --git a/compiler/rustc_lint/src/opaque_hidden_inferred_bound.rs b/compiler/rustc_lint/src/opaque_hidden_inferred_bound.rs index 6098da990c04..7aef6321eeb5 100644 --- a/compiler/rustc_lint/src/opaque_hidden_inferred_bound.rs +++ b/compiler/rustc_lint/src/opaque_hidden_inferred_bound.rs @@ -46,6 +46,8 @@ declare_lint! { /// fn test() -> impl Trait { /// 42 /// } + /// + /// fn main() {} /// ``` /// /// {{produces}} From 17a7ab73e32b1974e56f84173610540194c8ee9f Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Wed, 12 Jun 2024 11:36:55 +0300 Subject: [PATCH 1372/1716] unify git command preperation Due to https://github.com/rust-lang/rust/issues/125954, we had to modify git invocations with certain flags in https://github.com/rust-lang/rust/pull/126255. However, because there are so many instances of `Command::new("git")` in bootstrap, it is difficult to apply these solutions to all of them. This PR creates a helper function that unifies the git usage in bootstrap. Meaning, whenever special flags or hacks are needed, we can apply them to this single function which makes things much simpler for the bootstrap team. Signed-off-by: onur-ozkan --- src/bootstrap/src/core/build_steps/format.rs | 12 ++-- src/bootstrap/src/core/build_steps/llvm.rs | 4 +- src/bootstrap/src/core/build_steps/setup.rs | 13 ++-- .../src/core/build_steps/toolstate.rs | 29 ++++----- src/bootstrap/src/core/config/config.rs | 30 ++++------ src/bootstrap/src/lib.rs | 60 ++++++++----------- src/bootstrap/src/utils/channel.rs | 15 +++-- src/bootstrap/src/utils/helpers.rs | 16 +++++ 8 files changed, 84 insertions(+), 95 deletions(-) diff --git a/src/bootstrap/src/core/build_steps/format.rs b/src/bootstrap/src/core/build_steps/format.rs index 0caa39d78acc..4608600bdf2b 100644 --- a/src/bootstrap/src/core/build_steps/format.rs +++ b/src/bootstrap/src/core/build_steps/format.rs @@ -1,7 +1,7 @@ //! Runs rustfmt on the repository. use crate::core::builder::Builder; -use crate::utils::helpers::{output, program_out_of_date, t}; +use crate::utils::helpers::{self, output, program_out_of_date, t}; use build_helper::ci::CiEnv; use build_helper::git::get_git_modified_files; use ignore::WalkBuilder; @@ -160,7 +160,7 @@ pub fn format(build: &Builder<'_>, check: bool, all: bool, paths: &[PathBuf]) { override_builder.add(&format!("!{ignore}")).expect(&ignore); } } - let git_available = match Command::new("git") + let git_available = match helpers::git(None) .arg("--version") .stdout(Stdio::null()) .stderr(Stdio::null()) @@ -172,9 +172,7 @@ pub fn format(build: &Builder<'_>, check: bool, all: bool, paths: &[PathBuf]) { let mut adjective = None; if git_available { - let in_working_tree = match build - .config - .git() + let in_working_tree = match helpers::git(Some(&build.src)) .arg("rev-parse") .arg("--is-inside-work-tree") .stdout(Stdio::null()) @@ -186,9 +184,7 @@ pub fn format(build: &Builder<'_>, check: bool, all: bool, paths: &[PathBuf]) { }; if in_working_tree { let untracked_paths_output = output( - build - .config - .git() + helpers::git(Some(&build.src)) .arg("status") .arg("--porcelain") .arg("-z") diff --git a/src/bootstrap/src/core/build_steps/llvm.rs b/src/bootstrap/src/core/build_steps/llvm.rs index 8ca7af2febee..e7dc981bb09a 100644 --- a/src/bootstrap/src/core/build_steps/llvm.rs +++ b/src/bootstrap/src/core/build_steps/llvm.rs @@ -159,7 +159,7 @@ pub(crate) fn detect_llvm_sha(config: &Config, is_git: bool) -> String { // in that case. let closest_upstream = get_git_merge_base(&config.git_config(), Some(&config.src)) .unwrap_or_else(|_| "HEAD".into()); - let mut rev_list = config.git(); + let mut rev_list = helpers::git(Some(&config.src)); rev_list.args(&[ PathBuf::from("rev-list"), format!("--author={}", config.stage0_metadata.config.git_merge_commit_email).into(), @@ -252,7 +252,7 @@ pub(crate) fn is_ci_llvm_modified(config: &Config) -> bool { // We assume we have access to git, so it's okay to unconditionally pass // `true` here. let llvm_sha = detect_llvm_sha(config, true); - let head_sha = output(config.git().arg("rev-parse").arg("HEAD")); + let head_sha = output(helpers::git(Some(&config.src)).arg("rev-parse").arg("HEAD")); let head_sha = head_sha.trim(); llvm_sha == head_sha } diff --git a/src/bootstrap/src/core/build_steps/setup.rs b/src/bootstrap/src/core/build_steps/setup.rs index df38d6166eb8..947c74f32c99 100644 --- a/src/bootstrap/src/core/build_steps/setup.rs +++ b/src/bootstrap/src/core/build_steps/setup.rs @@ -8,7 +8,7 @@ use crate::core::builder::{Builder, RunConfig, ShouldRun, Step}; use crate::t; use crate::utils::change_tracker::CONFIG_CHANGE_HISTORY; -use crate::utils::helpers::hex_encode; +use crate::utils::helpers::{self, hex_encode}; use crate::Config; use sha2::Digest; use std::env::consts::EXE_SUFFIX; @@ -482,10 +482,13 @@ impl Step for Hook { // install a git hook to automatically run tidy, if they want fn install_git_hook_maybe(config: &Config) -> io::Result<()> { - let git = config.git().args(["rev-parse", "--git-common-dir"]).output().map(|output| { - assert!(output.status.success(), "failed to run `git`"); - PathBuf::from(t!(String::from_utf8(output.stdout)).trim()) - })?; + let git = helpers::git(Some(&config.src)) + .args(["rev-parse", "--git-common-dir"]) + .output() + .map(|output| { + assert!(output.status.success(), "failed to run `git`"); + PathBuf::from(t!(String::from_utf8(output.stdout)).trim()) + })?; let hooks_dir = git.join("hooks"); let dst = hooks_dir.join("pre-push"); if dst.exists() { diff --git a/src/bootstrap/src/core/build_steps/toolstate.rs b/src/bootstrap/src/core/build_steps/toolstate.rs index ca3756df4d77..9e6d03349b5f 100644 --- a/src/bootstrap/src/core/build_steps/toolstate.rs +++ b/src/bootstrap/src/core/build_steps/toolstate.rs @@ -5,7 +5,7 @@ //! [Toolstate]: https://forge.rust-lang.org/infra/toolstate.html use crate::core::builder::{Builder, RunConfig, ShouldRun, Step}; -use crate::utils::helpers::t; +use crate::utils::helpers::{self, t}; use serde_derive::{Deserialize, Serialize}; use std::collections::HashMap; use std::env; @@ -13,7 +13,6 @@ use std::fmt; use std::fs; use std::io::{Seek, SeekFrom}; use std::path::{Path, PathBuf}; -use std::process::Command; use std::time; // Each cycle is 42 days long (6 weeks); the last week is 35..=42 then. @@ -102,12 +101,8 @@ fn print_error(tool: &str, submodule: &str) { fn check_changed_files(toolstates: &HashMap, ToolState>) { // Changed files - let output = std::process::Command::new("git") - .arg("diff") - .arg("--name-status") - .arg("HEAD") - .arg("HEAD^") - .output(); + let output = + helpers::git(None).arg("diff").arg("--name-status").arg("HEAD").arg("HEAD^").output(); let output = match output { Ok(o) => o, Err(e) => { @@ -324,7 +319,7 @@ fn checkout_toolstate_repo() { t!(fs::remove_dir_all(TOOLSTATE_DIR)); } - let status = Command::new("git") + let status = helpers::git(None) .arg("clone") .arg("--depth=1") .arg(toolstate_repo()) @@ -342,7 +337,7 @@ fn checkout_toolstate_repo() { /// Sets up config and authentication for modifying the toolstate repo. fn prepare_toolstate_config(token: &str) { fn git_config(key: &str, value: &str) { - let status = Command::new("git").arg("config").arg("--global").arg(key).arg(value).status(); + let status = helpers::git(None).arg("config").arg("--global").arg(key).arg(value).status(); let success = match status { Ok(s) => s.success(), Err(_) => false, @@ -406,8 +401,7 @@ fn commit_toolstate_change(current_toolstate: &ToolstateData) { publish_test_results(current_toolstate); // `git commit` failing means nothing to commit. - let status = t!(Command::new("git") - .current_dir(TOOLSTATE_DIR) + let status = t!(helpers::git(Some(Path::new(TOOLSTATE_DIR))) .arg("commit") .arg("-a") .arg("-m") @@ -418,8 +412,7 @@ fn commit_toolstate_change(current_toolstate: &ToolstateData) { break; } - let status = t!(Command::new("git") - .current_dir(TOOLSTATE_DIR) + let status = t!(helpers::git(Some(Path::new(TOOLSTATE_DIR))) .arg("push") .arg("origin") .arg("master") @@ -431,15 +424,13 @@ fn commit_toolstate_change(current_toolstate: &ToolstateData) { } eprintln!("Sleeping for 3 seconds before retrying push"); std::thread::sleep(std::time::Duration::from_secs(3)); - let status = t!(Command::new("git") - .current_dir(TOOLSTATE_DIR) + let status = t!(helpers::git(Some(Path::new(TOOLSTATE_DIR))) .arg("fetch") .arg("origin") .arg("master") .status()); assert!(status.success()); - let status = t!(Command::new("git") - .current_dir(TOOLSTATE_DIR) + let status = t!(helpers::git(Some(Path::new(TOOLSTATE_DIR))) .arg("reset") .arg("--hard") .arg("origin/master") @@ -458,7 +449,7 @@ fn commit_toolstate_change(current_toolstate: &ToolstateData) { /// `publish_toolstate.py` script if the PR passes all tests and is merged to /// master. fn publish_test_results(current_toolstate: &ToolstateData) { - let commit = t!(std::process::Command::new("git").arg("rev-parse").arg("HEAD").output()); + let commit = t!(helpers::git(None).arg("rev-parse").arg("HEAD").output()); let commit = t!(String::from_utf8(commit.stdout)); let toolstate_serialized = t!(serde_json::to_string(¤t_toolstate)); diff --git a/src/bootstrap/src/core/config/config.rs b/src/bootstrap/src/core/config/config.rs index 36b44d0169c9..c0871ec0981f 100644 --- a/src/bootstrap/src/core/config/config.rs +++ b/src/bootstrap/src/core/config/config.rs @@ -20,7 +20,7 @@ use crate::core::build_steps::llvm; use crate::core::config::flags::{Color, Flags, Warnings}; use crate::utils::cache::{Interned, INTERNER}; use crate::utils::channel::{self, GitInfo}; -use crate::utils::helpers::{exe, output, t}; +use crate::utils::helpers::{self, exe, output, t}; use build_helper::exit; use serde::{Deserialize, Deserializer}; use serde_derive::Deserialize; @@ -1248,7 +1248,7 @@ impl Config { // Infer the source directory. This is non-trivial because we want to support a downloaded bootstrap binary, // running on a completely different machine from where it was compiled. - let mut cmd = Command::new("git"); + let mut cmd = helpers::git(None); // NOTE: we cannot support running from outside the repository because the only other path we have available // is set at compile time, which can be wrong if bootstrap was downloaded rather than compiled locally. // We still support running outside the repository if we find we aren't in a git directory. @@ -2090,15 +2090,6 @@ impl Config { build_helper::util::try_run(cmd, self.is_verbose()) } - /// A git invocation which runs inside the source directory. - /// - /// Use this rather than `Command::new("git")` in order to support out-of-tree builds. - pub(crate) fn git(&self) -> Command { - let mut git = Command::new("git"); - git.current_dir(&self.src); - git - } - pub(crate) fn test_args(&self) -> Vec<&str> { let mut test_args = match self.cmd { Subcommand::Test { ref test_args, .. } @@ -2130,7 +2121,7 @@ impl Config { "`Config::read_file_by_commit` is not supported in non-git sources." ); - let mut git = self.git(); + let mut git = helpers::git(Some(&self.src)); git.arg("show").arg(format!("{commit}:{}", file.to_str().unwrap())); output(&mut git) } @@ -2436,7 +2427,8 @@ impl Config { }; // Handle running from a directory other than the top level - let top_level = output(self.git().args(["rev-parse", "--show-toplevel"])); + let top_level = + output(helpers::git(Some(&self.src)).args(["rev-parse", "--show-toplevel"])); let top_level = top_level.trim_end(); let compiler = format!("{top_level}/compiler/"); let library = format!("{top_level}/library/"); @@ -2444,7 +2436,7 @@ impl Config { // Look for a version to compare to based on the current commit. // Only commits merged by bors will have CI artifacts. let merge_base = output( - self.git() + helpers::git(Some(&self.src)) .arg("rev-list") .arg(format!("--author={}", self.stage0_metadata.config.git_merge_commit_email)) .args(["-n1", "--first-parent", "HEAD"]), @@ -2459,8 +2451,7 @@ impl Config { } // Warn if there were changes to the compiler or standard library since the ancestor commit. - let has_changes = !t!(self - .git() + let has_changes = !t!(helpers::git(Some(&self.src)) .args(["diff-index", "--quiet", commit, "--", &compiler, &library]) .status()) .success(); @@ -2533,13 +2524,14 @@ impl Config { if_unchanged: bool, ) -> Option { // Handle running from a directory other than the top level - let top_level = output(self.git().args(["rev-parse", "--show-toplevel"])); + let top_level = + output(helpers::git(Some(&self.src)).args(["rev-parse", "--show-toplevel"])); let top_level = top_level.trim_end(); // Look for a version to compare to based on the current commit. // Only commits merged by bors will have CI artifacts. let merge_base = output( - self.git() + helpers::git(Some(&self.src)) .arg("rev-list") .arg(format!("--author={}", self.stage0_metadata.config.git_merge_commit_email)) .args(["-n1", "--first-parent", "HEAD"]), @@ -2554,7 +2546,7 @@ impl Config { } // Warn if there were changes to the compiler or standard library since the ancestor commit. - let mut git = self.git(); + let mut git = helpers::git(Some(&self.src)); git.args(["diff-index", "--quiet", commit, "--"]); for path in modified_paths { diff --git a/src/bootstrap/src/lib.rs b/src/bootstrap/src/lib.rs index cde090637e01..58704f05498a 100644 --- a/src/bootstrap/src/lib.rs +++ b/src/bootstrap/src/lib.rs @@ -522,14 +522,10 @@ impl Build { // check_submodule let checked_out_hash = - output(Command::new("git").args(["rev-parse", "HEAD"]).current_dir(&absolute_path)); + output(helpers::git(Some(&absolute_path)).args(["rev-parse", "HEAD"])); // update_submodules - let recorded = output( - Command::new("git") - .args(["ls-tree", "HEAD"]) - .arg(relative_path) - .current_dir(&self.config.src), - ); + let recorded = + output(helpers::git(Some(&self.src)).args(["ls-tree", "HEAD"]).arg(relative_path)); let actual_hash = recorded .split_whitespace() .nth(2) @@ -543,10 +539,7 @@ impl Build { println!("Updating submodule {}", relative_path.display()); self.run( - Command::new("git") - .args(["submodule", "-q", "sync"]) - .arg(relative_path) - .current_dir(&self.config.src), + helpers::git(Some(&self.src)).args(["submodule", "-q", "sync"]).arg(relative_path), ); // Try passing `--progress` to start, then run git again without if that fails. @@ -554,9 +547,7 @@ impl Build { // Git is buggy and will try to fetch submodules from the tracking branch for *this* repository, // even though that has no relation to the upstream for the submodule. let current_branch = { - let output = self - .config - .git() + let output = helpers::git(Some(&self.src)) .args(["symbolic-ref", "--short", "HEAD"]) .stderr(Stdio::inherit()) .output(); @@ -568,7 +559,7 @@ impl Build { } }; - let mut git = self.config.git(); + let mut git = helpers::git(Some(&self.src)); if let Some(branch) = current_branch { // If there is a tag named after the current branch, git will try to disambiguate by prepending `heads/` to the branch name. // This syntax isn't accepted by `branch.{branch}`. Strip it. @@ -590,11 +581,11 @@ impl Build { // Save any local changes, but avoid running `git stash pop` if there are none (since it will exit with an error). // diff-index reports the modifications through the exit status let has_local_modifications = !self.run_cmd( - BootstrapCommand::from( - Command::new("git") - .args(["diff-index", "--quiet", "HEAD"]) - .current_dir(&absolute_path), - ) + BootstrapCommand::from(helpers::git(Some(&absolute_path)).args([ + "diff-index", + "--quiet", + "HEAD", + ])) .allow_failure() .output_mode(match self.is_verbose() { true => OutputMode::PrintAll, @@ -602,14 +593,14 @@ impl Build { }), ); if has_local_modifications { - self.run(Command::new("git").args(["stash", "push"]).current_dir(&absolute_path)); + self.run(helpers::git(Some(&absolute_path)).args(["stash", "push"])); } - self.run(Command::new("git").args(["reset", "-q", "--hard"]).current_dir(&absolute_path)); - self.run(Command::new("git").args(["clean", "-qdfx"]).current_dir(&absolute_path)); + self.run(helpers::git(Some(&absolute_path)).args(["reset", "-q", "--hard"])); + self.run(helpers::git(Some(&absolute_path)).args(["clean", "-qdfx"])); if has_local_modifications { - self.run(Command::new("git").args(["stash", "pop"]).current_dir(absolute_path)); + self.run(helpers::git(Some(&absolute_path)).args(["stash", "pop"])); } } @@ -621,8 +612,7 @@ impl Build { return; } let output = output( - self.config - .git() + helpers::git(Some(&self.src)) .args(["config", "--file"]) .arg(&self.config.src.join(".gitmodules")) .args(["--get-regexp", "path"]), @@ -1563,10 +1553,14 @@ impl Build { // Figure out how many merge commits happened since we branched off master. // That's our beta number! // (Note that we use a `..` range, not the `...` symmetric difference.) - output(self.config.git().arg("rev-list").arg("--count").arg("--merges").arg(format!( - "refs/remotes/origin/{}..HEAD", - self.config.stage0_metadata.config.nightly_branch - ))) + output( + helpers::git(Some(&self.src)).arg("rev-list").arg("--count").arg("--merges").arg( + format!( + "refs/remotes/origin/{}..HEAD", + self.config.stage0_metadata.config.nightly_branch + ), + ), + ) }); let n = count.trim().parse().unwrap(); self.prerelease_version.set(Some(n)); @@ -1984,15 +1978,13 @@ fn envify(s: &str) -> String { /// In case of errors during `git` command execution (e.g., in tarball sources), default values /// are used to prevent panics. pub fn generate_smart_stamp_hash(dir: &Path, additional_input: &str) -> String { - let diff = Command::new("git") - .current_dir(dir) + let diff = helpers::git(Some(dir)) .arg("diff") .output() .map(|o| String::from_utf8(o.stdout).unwrap_or_default()) .unwrap_or_default(); - let status = Command::new("git") - .current_dir(dir) + let status = helpers::git(Some(dir)) .arg("status") .arg("--porcelain") .arg("-z") diff --git a/src/bootstrap/src/utils/channel.rs b/src/bootstrap/src/utils/channel.rs index 88988c339161..ce82c52f049e 100644 --- a/src/bootstrap/src/utils/channel.rs +++ b/src/bootstrap/src/utils/channel.rs @@ -7,11 +7,12 @@ use std::fs; use std::path::Path; -use std::process::Command; use crate::utils::helpers::{output, t}; use crate::Build; +use super::helpers; + #[derive(Clone, Default)] pub enum GitInfo { /// This is not a git repository. @@ -44,7 +45,7 @@ impl GitInfo { } // Make sure git commands work - match Command::new("git").arg("rev-parse").current_dir(dir).output() { + match helpers::git(Some(dir)).arg("rev-parse").output() { Ok(ref out) if out.status.success() => {} _ => return GitInfo::Absent, } @@ -57,17 +58,15 @@ impl GitInfo { // Ok, let's scrape some info let ver_date = output( - Command::new("git") - .current_dir(dir) + helpers::git(Some(dir)) .arg("log") .arg("-1") .arg("--date=short") .arg("--pretty=format:%cd"), ); - let ver_hash = output(Command::new("git").current_dir(dir).arg("rev-parse").arg("HEAD")); - let short_ver_hash = output( - Command::new("git").current_dir(dir).arg("rev-parse").arg("--short=9").arg("HEAD"), - ); + let ver_hash = output(helpers::git(Some(dir)).arg("rev-parse").arg("HEAD")); + let short_ver_hash = + output(helpers::git(Some(dir)).arg("rev-parse").arg("--short=9").arg("HEAD")); GitInfo::Present(Some(Info { commit_date: ver_date.trim().to_string(), sha: ver_hash.trim().to_string(), diff --git a/src/bootstrap/src/utils/helpers.rs b/src/bootstrap/src/utils/helpers.rs index 278359cb08e3..ed2aa2143f05 100644 --- a/src/bootstrap/src/utils/helpers.rs +++ b/src/bootstrap/src/utils/helpers.rs @@ -598,3 +598,19 @@ pub fn check_cfg_arg(name: &str, values: Option<&[&str]>) -> String { }; format!("--check-cfg=cfg({name}{next})") } + +/// Prepares `Command` that runs git inside the source directory if given. +/// +/// Whenever a git invocation is needed, this function should be preferred over +/// manually building a git `Command`. This approach allows us to manage bootstrap-specific +/// needs/hacks from a single source, rather than applying them on next to every `Command::new("git")`, +/// which is painful to ensure that the required change is applied on each one of them correctly. +pub fn git(source_dir: Option<&Path>) -> Command { + let mut git = Command::new("git"); + + if let Some(source_dir) = source_dir { + git.current_dir(source_dir); + } + + git +} From f2cce98149b78e2880e2e81e03c2cc94ff5a29a5 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Wed, 12 Jun 2024 10:52:44 +0200 Subject: [PATCH 1373/1716] Migrate `run-make/prefer-rlib` to `rmake.rs` --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/prefer-rlib/Makefile | 9 --------- tests/run-make/prefer-rlib/rmake.rs | 16 ++++++++++++++++ 3 files changed, 16 insertions(+), 10 deletions(-) delete mode 100644 tests/run-make/prefer-rlib/Makefile create mode 100644 tests/run-make/prefer-rlib/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 448d4887d32c..ac89a30f3534 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -175,7 +175,6 @@ run-make/pgo-gen/Makefile run-make/pgo-indirect-call-promotion/Makefile run-make/pgo-use/Makefile run-make/pointer-auth-link-with-c/Makefile -run-make/prefer-rlib/Makefile run-make/pretty-print-to-file/Makefile run-make/pretty-print-with-dep-file/Makefile run-make/print-calling-conventions/Makefile diff --git a/tests/run-make/prefer-rlib/Makefile b/tests/run-make/prefer-rlib/Makefile deleted file mode 100644 index 2e86b9c1dd7e..000000000000 --- a/tests/run-make/prefer-rlib/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -# ignore-cross-compile -include ../tools.mk - -all: - $(RUSTC) bar.rs --crate-type=dylib --crate-type=rlib - ls $(TMPDIR)/$(call RLIB_GLOB,bar) - $(RUSTC) foo.rs - rm $(TMPDIR)/*bar* - $(call RUN,foo) diff --git a/tests/run-make/prefer-rlib/rmake.rs b/tests/run-make/prefer-rlib/rmake.rs new file mode 100644 index 000000000000..1d336a079032 --- /dev/null +++ b/tests/run-make/prefer-rlib/rmake.rs @@ -0,0 +1,16 @@ +// Check that `foo.rs` prefers to link to `bar` statically, and can be executed even if the `bar` +// library artifacts are removed. + +//@ ignore-cross-compile + +use run_make_support::{dynamic_lib_name, path, run, rust_lib_name, rustc}; +use std::fs::remove_file; + +fn main() { + rustc().input("bar.rs").crate_type("dylib").crate_type("rlib").run(); + assert!(path(rust_lib_name("bar")).exists()); + rustc().input("foo.rs").run(); + remove_file(rust_lib_name("bar")).unwrap(); + remove_file(dynamic_lib_name("bar")).unwrap(); + run("foo"); +} From d79aeaf8981f331f16295e119d4a226842feaf3c Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Wed, 12 Jun 2024 10:53:06 +0200 Subject: [PATCH 1374/1716] Remove unused import in `run-make/prefer-dylib/rmake.rs` --- tests/run-make/prefer-dylib/rmake.rs | 1 - tests/run-make/prefer-rlib/rmake.rs | 7 +++---- 2 files changed, 3 insertions(+), 5 deletions(-) diff --git a/tests/run-make/prefer-dylib/rmake.rs b/tests/run-make/prefer-dylib/rmake.rs index ad9fd8a15a2c..5b2b06496738 100644 --- a/tests/run-make/prefer-dylib/rmake.rs +++ b/tests/run-make/prefer-dylib/rmake.rs @@ -2,7 +2,6 @@ use run_make_support::{cwd, dynamic_lib_name, read_dir, run, run_fail, rustc}; use std::fs::remove_file; -use std::process::Command; fn main() { rustc().input("bar.rs").crate_type("dylib").crate_type("rlib").arg("-Cprefer-dynamic").run(); diff --git a/tests/run-make/prefer-rlib/rmake.rs b/tests/run-make/prefer-rlib/rmake.rs index 1d336a079032..96861a264e62 100644 --- a/tests/run-make/prefer-rlib/rmake.rs +++ b/tests/run-make/prefer-rlib/rmake.rs @@ -3,14 +3,13 @@ //@ ignore-cross-compile -use run_make_support::{dynamic_lib_name, path, run, rust_lib_name, rustc}; -use std::fs::remove_file; +use run_make_support::{dynamic_lib_name, fs_wrapper, path, run, rust_lib_name, rustc}; fn main() { rustc().input("bar.rs").crate_type("dylib").crate_type("rlib").run(); assert!(path(rust_lib_name("bar")).exists()); rustc().input("foo.rs").run(); - remove_file(rust_lib_name("bar")).unwrap(); - remove_file(dynamic_lib_name("bar")).unwrap(); + fs_wrapper::remove_file(rust_lib_name("bar")); + fs_wrapper::remove_file(dynamic_lib_name("bar")); run("foo"); } From bbc55091bb05c11d6770de3e396d81b6221de8d0 Mon Sep 17 00:00:00 2001 From: lcnr Date: Wed, 12 Jun 2024 11:44:52 +0200 Subject: [PATCH 1375/1716] fix RELEASES: we do not support upcasting to auto traits --- RELEASES.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/RELEASES.md b/RELEASES.md index c1311ab14c53..2297924c7f33 100644 --- a/RELEASES.md +++ b/RELEASES.md @@ -147,7 +147,7 @@ Language - [Split `refining_impl_trait` lint into `_reachable`, `_internal` variants](https://github.com/rust-lang/rust/pull/121720/) - [Remove unnecessary type inference when using associated types inside of higher ranked `where`-bounds](https://github.com/rust-lang/rust/pull/119849) - [Weaken eager detection of cyclic types during type inference](https://github.com/rust-lang/rust/pull/119989) -- [`trait Trait: Auto {}`: allow upcasting from `dyn Trait` to `dyn Auto`](https://github.com/rust-lang/rust/pull/119338) +- [`trait Trait: Auto {}`: allow upcasting from `dyn Trait` to `dyn Trait + Auto`](https://github.com/rust-lang/rust/pull/119338) From 3bbd480f07dcc3a8b9516232d041eada63b10a81 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Wed, 12 Jun 2024 11:45:52 +0200 Subject: [PATCH 1376/1716] Update `rustc-perf` submodule To integrate https://github.com/rust-lang/rustc-perf/pull/1926. --- src/tools/rustc-perf | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/rustc-perf b/src/tools/rustc-perf index 72daa50ce235..c64bb60dd163 160000 --- a/src/tools/rustc-perf +++ b/src/tools/rustc-perf @@ -1 +1 @@ -Subproject commit 72daa50ce2350f5a9b5ae6dc3ad6babccd14ec0a +Subproject commit c64bb60dd1636922b1ccbb82867bed934a99dbcb From 45a9bd5d40d1674af33287088dbc24bd092541ac Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Wed, 12 Jun 2024 11:46:05 +0200 Subject: [PATCH 1377/1716] Use `fs_wrapper` in `run-make/prefer-dylib` --- tests/run-make/prefer-dylib/rmake.rs | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/tests/run-make/prefer-dylib/rmake.rs b/tests/run-make/prefer-dylib/rmake.rs index 5b2b06496738..6b3b3ad6d3b8 100644 --- a/tests/run-make/prefer-dylib/rmake.rs +++ b/tests/run-make/prefer-dylib/rmake.rs @@ -1,7 +1,6 @@ //@ ignore-cross-compile -use run_make_support::{cwd, dynamic_lib_name, read_dir, run, run_fail, rustc}; -use std::fs::remove_file; +use run_make_support::{cwd, dynamic_lib_name, fs_wrapper, read_dir, run, run_fail, rustc}; fn main() { rustc().input("bar.rs").crate_type("dylib").crate_type("rlib").arg("-Cprefer-dynamic").run(); @@ -9,7 +8,7 @@ fn main() { run("foo"); - remove_file(dynamic_lib_name("bar")).unwrap(); + fs_wrapper::remove_file(dynamic_lib_name("bar")); // This time the command should fail. run_fail("foo"); } From 64450732be8c3111360589e9f8c44eab83f449e0 Mon Sep 17 00:00:00 2001 From: r0cky Date: Wed, 12 Jun 2024 17:58:20 +0800 Subject: [PATCH 1378/1716] Add pub struct with allow(dead_code) into worklist --- compiler/rustc_passes/src/dead.rs | 2 +- .../allow-unconstructed-pub-struct.rs | 33 +++++++++++++++++++ 2 files changed, 34 insertions(+), 1 deletion(-) create mode 100644 tests/ui/lint/dead-code/allow-unconstructed-pub-struct.rs diff --git a/compiler/rustc_passes/src/dead.rs b/compiler/rustc_passes/src/dead.rs index 2cb3c5d8965c..d849305d9963 100644 --- a/compiler/rustc_passes/src/dead.rs +++ b/compiler/rustc_passes/src/dead.rs @@ -898,7 +898,7 @@ fn create_and_seed_worklist( match tcx.def_kind(id) { DefKind::Impl { .. } => false, DefKind::AssocConst | DefKind::AssocFn => !matches!(tcx.associated_item(id).container, AssocItemContainer::ImplContainer), - DefKind::Struct => struct_all_fields_are_public(tcx, id.to_def_id()), + DefKind::Struct => struct_all_fields_are_public(tcx, id.to_def_id()) || has_allow_dead_code_or_lang_attr(tcx, id).is_some(), _ => true }) .map(|id| (id, ComesFromAllowExpect::No)) diff --git a/tests/ui/lint/dead-code/allow-unconstructed-pub-struct.rs b/tests/ui/lint/dead-code/allow-unconstructed-pub-struct.rs new file mode 100644 index 000000000000..8cd1524045b1 --- /dev/null +++ b/tests/ui/lint/dead-code/allow-unconstructed-pub-struct.rs @@ -0,0 +1,33 @@ +//@ check-pass + +mod ffi { + use super::*; + + extern "C" { + pub fn DomPromise_AddRef(promise: *const Promise); + pub fn DomPromise_Release(promise: *const Promise); + } +} + +#[repr(C)] +#[allow(unused)] +pub struct Promise { + private: [u8; 0], + __nosync: ::std::marker::PhantomData<::std::rc::Rc>, +} + +pub unsafe trait RefCounted { + unsafe fn addref(&self); + unsafe fn release(&self); +} + +unsafe impl RefCounted for Promise { + unsafe fn addref(&self) { + ffi::DomPromise_AddRef(self) + } + unsafe fn release(&self) { + ffi::DomPromise_Release(self) + } +} + +fn main() {} From 9e58c5e0270246b956e55bb8ccb4c2c72dc352d0 Mon Sep 17 00:00:00 2001 From: Scott Mabin Date: Wed, 12 Jun 2024 10:59:41 +0100 Subject: [PATCH 1379/1716] Update download-ci-llvm-stamp --- src/bootstrap/download-ci-llvm-stamp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/bootstrap/download-ci-llvm-stamp b/src/bootstrap/download-ci-llvm-stamp index bd1f9699c3c8..e4dbd3a13fee 100644 --- a/src/bootstrap/download-ci-llvm-stamp +++ b/src/bootstrap/download-ci-llvm-stamp @@ -1,4 +1,4 @@ Change this file to make users of the `download-ci-llvm` configuration download a new version of LLVM from CI, even if the LLVM submodule hasn’t changed. -Last change is for: https://github.com/rust-lang/rust/pull/120761 +Last change is for: https://github.com/rust-lang/rust/pull/125141 From 185a48d4b266722d550474a620c0e37e28b1c6d6 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Tue, 11 Jun 2024 08:55:48 +0000 Subject: [PATCH 1380/1716] Bump tracing-tree and allow rendering lines again --- compiler/rustc_log/Cargo.toml | 2 +- compiler/rustc_log/src/lib.rs | 8 ++++++++ 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/compiler/rustc_log/Cargo.toml b/compiler/rustc_log/Cargo.toml index 3ff86f700a53..fe399bc77e32 100644 --- a/compiler/rustc_log/Cargo.toml +++ b/compiler/rustc_log/Cargo.toml @@ -8,7 +8,7 @@ edition = "2021" tracing = "0.1.28" tracing-core = "=0.1.30" # FIXME(Nilstrieb) tracing has a deadlock: https://github.com/tokio-rs/tracing/issues/2635 tracing-subscriber = { version = "0.3.3", default-features = false, features = ["fmt", "env-filter", "smallvec", "parking_lot", "ansi"] } -tracing-tree = "0.3.0" +tracing-tree = "0.3.1" # tidy-alphabetical-end [dev-dependencies] diff --git a/compiler/rustc_log/src/lib.rs b/compiler/rustc_log/src/lib.rs index 41b26ecce3c5..01b6e342df04 100644 --- a/compiler/rustc_log/src/lib.rs +++ b/compiler/rustc_log/src/lib.rs @@ -58,6 +58,7 @@ pub struct LoggerConfig { pub verbose_thread_ids: Result, pub backtrace: Result, pub wraptree: Result, + pub lines: Result, } impl LoggerConfig { @@ -69,6 +70,7 @@ impl LoggerConfig { verbose_thread_ids: env::var(format!("{env}_THREAD_IDS")), backtrace: env::var(format!("{env}_BACKTRACE")), wraptree: env::var(format!("{env}_WRAPTREE")), + lines: env::var(format!("{env}_LINES")), } } } @@ -101,6 +103,11 @@ pub fn init_logger(cfg: LoggerConfig) -> Result<(), Error> { Err(_) => false, }; + let lines = match cfg.lines { + Ok(v) => &v == "1", + Err(_) => false, + }; + let mut layer = tracing_tree::HierarchicalLayer::default() .with_writer(io::stderr) .with_ansi(color_logs) @@ -108,6 +115,7 @@ pub fn init_logger(cfg: LoggerConfig) -> Result<(), Error> { .with_verbose_exit(verbose_entry_exit) .with_verbose_entry(verbose_entry_exit) .with_indent_amount(2) + .with_indent_lines(lines) .with_thread_ids(verbose_thread_ids) .with_thread_names(verbose_thread_ids); From 3da92891fd3f1eecb6b16d080da6ac3447f5bd9b Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Tue, 11 Jun 2024 09:49:32 +0000 Subject: [PATCH 1381/1716] Avoid a bunch of booleans in favor of `Result<(), ErrorGuaranteed>` as that more robustly proves that an error has been emitted --- compiler/rustc_hir_typeck/src/expr.rs | 16 +++---- .../rustc_hir_typeck/src/fn_ctxt/_impl.rs | 7 ++- .../rustc_hir_typeck/src/fn_ctxt/checks.rs | 10 ++-- .../rustc_hir_typeck/src/method/suggest.rs | 46 ++++++++----------- 4 files changed, 35 insertions(+), 44 deletions(-) diff --git a/compiler/rustc_hir_typeck/src/expr.rs b/compiler/rustc_hir_typeck/src/expr.rs index 5b27ebe3416a..d77d898f3bda 100644 --- a/compiler/rustc_hir_typeck/src/expr.rs +++ b/compiler/rustc_hir_typeck/src/expr.rs @@ -1341,16 +1341,14 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { self.write_method_call_and_enforce_effects(expr.hir_id, expr.span, method); Ok(method) } - Err(error) => { - if segment.ident.name != kw::Empty { - if let Some(err) = - self.report_method_error(expr.hir_id, rcvr_t, error, expected, false) - { - err.emit(); - } + Err(error) => Err(if segment.ident.name == kw::Empty { + self.dcx().span_delayed_bug(rcvr.span, "empty method name") + } else { + match self.report_method_error(expr.hir_id, rcvr_t, error, expected, false) { + Ok(diag) => diag.emit(), + Err(guar) => guar, } - Err(()) - } + }), }; // Call the generic checker. diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs index e354e1ec59c6..421ed9954e05 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs @@ -846,15 +846,14 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } if item_name.name != kw::Empty { - if let Some(e) = self.report_method_error( + self.report_method_error( hir_id, ty.normalized, error, Expectation::NoExpectation, trait_missing_method && span.edition().at_least_rust_2021(), // emits missing method for trait only after edition 2021 - ) { - e.emit(); - } + )? + .emit(); } result diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs index b8333d474937..b8ae21594fd4 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs @@ -113,16 +113,16 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { &self, sp: Span, expr: &'tcx hir::Expr<'tcx>, - method: Result, ()>, + method: Result, ErrorGuaranteed>, args_no_rcvr: &'tcx [hir::Expr<'tcx>], tuple_arguments: TupleArgumentsFlag, expected: Expectation<'tcx>, ) -> Ty<'tcx> { let has_error = match method { - Ok(method) => method.args.references_error() || method.sig.references_error(), - Err(_) => true, + Ok(method) => method.args.error_reported().and(method.sig.error_reported()), + Err(guar) => Err(guar), }; - if has_error { + if let Err(guar) = has_error { let err_inputs = self.err_args(args_no_rcvr.len()); let err_inputs = match tuple_arguments { @@ -140,7 +140,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { tuple_arguments, method.ok().map(|method| method.def_id), ); - return Ty::new_misc_error(self.tcx); + return Ty::new_error(self.tcx, guar); } let method = method.unwrap(); diff --git a/compiler/rustc_hir_typeck/src/method/suggest.rs b/compiler/rustc_hir_typeck/src/method/suggest.rs index 803d15543246..4e2b36f2d9e0 100644 --- a/compiler/rustc_hir_typeck/src/method/suggest.rs +++ b/compiler/rustc_hir_typeck/src/method/suggest.rs @@ -33,7 +33,7 @@ use rustc_middle::ty::IsSuggestable; use rustc_middle::ty::{self, GenericArgKind, Ty, TyCtxt, TypeVisitableExt}; use rustc_span::def_id::DefIdSet; use rustc_span::symbol::{kw, sym, Ident}; -use rustc_span::{edit_distance, ExpnKind, FileName, MacroKind, Span}; +use rustc_span::{edit_distance, ErrorGuaranteed, ExpnKind, FileName, MacroKind, Span}; use rustc_span::{Symbol, DUMMY_SP}; use rustc_trait_selection::infer::InferCtxtExt; use rustc_trait_selection::traits::error_reporting::on_unimplemented::OnUnimplementedNote; @@ -192,7 +192,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { error: MethodError<'tcx>, expected: Expectation<'tcx>, trait_missing_method: bool, - ) -> Option> { + ) -> Result, ErrorGuaranteed> { let (span, sugg_span, source, item_name, args) = match self.tcx.hir_node(call_id) { hir::Node::Expr(&hir::Expr { kind: hir::ExprKind::MethodCall(segment, rcvr, args, _), @@ -226,9 +226,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { }; // Avoid suggestions when we don't know what's going on. - if rcvr_ty.references_error() { - return None; - } + rcvr_ty.error_reported()?; match error { MethodError::NoMatch(mut no_match_data) => { @@ -265,7 +263,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { &mut sources, Some(sugg_span), ); - err.emit(); + return Err(err.emit()); } MethodError::PrivateMatch(kind, def_id, out_of_scope_traits) => { @@ -286,7 +284,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { .unwrap_or_else(|| self.tcx.def_span(def_id)); err.span_label(sp, format!("private {kind} defined here")); self.suggest_valid_traits(&mut err, item_name, out_of_scope_traits, true); - err.emit(); + return Err(err.emit()); } MethodError::IllegalSizedBound { candidates, needs_mut, bound_span, self_expr } => { @@ -343,12 +341,11 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } } } - err.emit(); + return Err(err.emit()); } MethodError::BadReturnType => bug!("no return type expectations but got BadReturnType"), } - None } fn suggest_missing_writer(&self, rcvr_ty: Ty<'tcx>, rcvr_expr: &hir::Expr<'tcx>) -> Diag<'_> { @@ -576,7 +573,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { no_match_data: &mut NoMatchData<'tcx>, expected: Expectation<'tcx>, trait_missing_method: bool, - ) -> Option> { + ) -> Result, ErrorGuaranteed> { let mode = no_match_data.mode; let tcx = self.tcx; let rcvr_ty = self.resolve_vars_if_possible(rcvr_ty); @@ -608,14 +605,15 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // We could pass the file for long types into these two, but it isn't strictly necessary // given how targeted they are. - if self.suggest_wrapping_range_with_parens( + self.suggest_wrapping_range_with_parens( tcx, rcvr_ty, source, span, item_name, &short_ty_str, - ) || self.suggest_constraining_numerical_ty( + )?; + self.suggest_constraining_numerical_ty( tcx, rcvr_ty, source, @@ -623,9 +621,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { item_kind, item_name, &short_ty_str, - ) { - return None; - } + )?; span = item_name.span; // Don't show generic arguments when the method can't be found in any implementation (#81576). @@ -881,7 +877,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { vec![(span.shrink_to_lo(), format!("into_iter()."))], Applicability::MaybeIncorrect, ); - return Some(err); + return Ok(err); } else if !unsatisfied_predicates.is_empty() && matches!(rcvr_ty.kind(), ty::Param(_)) { // We special case the situation where we are looking for `_` in // `::method` because otherwise the machinery will look for blanket @@ -1606,7 +1602,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } self.note_derefed_ty_has_method(&mut err, source, rcvr_ty, item_name, expected); - Some(err) + Ok(err) } /// If an appropriate error source is not found, check method chain for possible candidates @@ -2259,7 +2255,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { span: Span, item_name: Ident, ty_str: &str, - ) -> bool { + ) -> Result<(), ErrorGuaranteed> { if let SelfSource::MethodCall(expr) = source { for (_, parent) in tcx.hir().parent_iter(expr.hir_id).take(5) { if let Node::Expr(parent_expr) = parent { @@ -2316,7 +2312,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ); if pick.is_ok() { let range_span = parent_expr.span.with_hi(expr.span.hi()); - tcx.dcx().emit_err(errors::MissingParenthesesInRange { + return Err(tcx.dcx().emit_err(errors::MissingParenthesesInRange { span, ty_str: ty_str.to_string(), method_name: item_name.as_str().to_string(), @@ -2325,13 +2321,12 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { left: range_span.shrink_to_lo(), right: range_span.shrink_to_hi(), }), - }); - return true; + })); } } } } - false + Ok(()) } fn suggest_constraining_numerical_ty( @@ -2343,7 +2338,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { item_kind: &str, item_name: Ident, ty_str: &str, - ) -> bool { + ) -> Result<(), ErrorGuaranteed> { let found_candidate = all_traits(self.tcx) .into_iter() .any(|info| self.associated_value(info.def_id, item_name).is_some()); @@ -2447,10 +2442,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } _ => {} } - err.emit(); - return true; + return Err(err.emit()); } - false + Ok(()) } /// For code `rect::area(...)`, From 48e614a84b1bfb9e35e8f48fcb0d572a8ac287a2 Mon Sep 17 00:00:00 2001 From: Pietro Albini Date: Wed, 12 Jun 2024 12:15:52 +0200 Subject: [PATCH 1382/1716] applease clippy --- src/bootstrap/src/core/build_steps/dist.rs | 6 +++--- src/bootstrap/src/core/build_steps/doc.rs | 4 ++-- src/bootstrap/src/core/build_steps/format.rs | 2 +- src/bootstrap/src/core/build_steps/test.rs | 6 +++--- src/bootstrap/src/core/build_steps/tool.rs | 2 +- src/bootstrap/src/lib.rs | 2 +- 6 files changed, 11 insertions(+), 11 deletions(-) diff --git a/src/bootstrap/src/core/build_steps/dist.rs b/src/bootstrap/src/core/build_steps/dist.rs index 60b1ff3e4413..f651f751441f 100644 --- a/src/bootstrap/src/core/build_steps/dist.rs +++ b/src/bootstrap/src/core/build_steps/dist.rs @@ -78,7 +78,7 @@ impl Step for Docs { let mut tarball = Tarball::new(builder, "rust-docs", &host.triple); tarball.set_product_name("Rust Documentation"); - tarball.add_bulk_dir(&builder.doc_out(host), dest); + tarball.add_bulk_dir(builder.doc_out(host), dest); tarball.add_file(builder.src.join("src/doc/robots.txt"), dest, 0o644); Some(tarball.generate()) } @@ -117,7 +117,7 @@ impl Step for JsonDocs { let mut tarball = Tarball::new(builder, "rust-docs-json", &host.triple); tarball.set_product_name("Rust Documentation In JSON Format"); tarball.is_preview(true); - tarball.add_bulk_dir(&builder.json_doc_out(host), dest); + tarball.add_bulk_dir(builder.json_doc_out(host), dest); Some(tarball.generate()) } } @@ -148,7 +148,7 @@ impl Step for RustcDocs { let mut tarball = Tarball::new(builder, "rustc-docs", &host.triple); tarball.set_product_name("Rustc Documentation"); - tarball.add_bulk_dir(&builder.compiler_doc_out(host), "share/doc/rust/html/rustc"); + tarball.add_bulk_dir(builder.compiler_doc_out(host), "share/doc/rust/html/rustc"); Some(tarball.generate()) } } diff --git a/src/bootstrap/src/core/build_steps/doc.rs b/src/bootstrap/src/core/build_steps/doc.rs index b37b2b5bcefb..6748625f1323 100644 --- a/src/bootstrap/src/core/build_steps/doc.rs +++ b/src/bootstrap/src/core/build_steps/doc.rs @@ -378,7 +378,7 @@ impl Step for Standalone { .arg(&favicon) .arg("--markdown-no-toc") .arg("--index-page") - .arg(&builder.src.join("src/doc/index.md")) + .arg(builder.src.join("src/doc/index.md")) .arg("--markdown-playground-url") .arg("https://play.rust-lang.org/") .arg("-o") @@ -482,7 +482,7 @@ impl Step for Releases { .arg("--markdown-css") .arg("rust.css") .arg("--index-page") - .arg(&builder.src.join("src/doc/index.md")) + .arg(builder.src.join("src/doc/index.md")) .arg("--markdown-playground-url") .arg("https://play.rust-lang.org/") .arg("-o") diff --git a/src/bootstrap/src/core/build_steps/format.rs b/src/bootstrap/src/core/build_steps/format.rs index 0caa39d78acc..2deb9168df2a 100644 --- a/src/bootstrap/src/core/build_steps/format.rs +++ b/src/bootstrap/src/core/build_steps/format.rs @@ -15,7 +15,7 @@ fn rustfmt(src: &Path, rustfmt: &Path, paths: &[PathBuf], check: bool) -> impl F let mut cmd = Command::new(rustfmt); // Avoid the submodule config paths from coming into play. We only allow a single global config // for the workspace for now. - cmd.arg("--config-path").arg(&src.canonicalize().unwrap()); + cmd.arg("--config-path").arg(src.canonicalize().unwrap()); cmd.arg("--edition").arg("2021"); cmd.arg("--unstable-features"); cmd.arg("--skip-children"); diff --git a/src/bootstrap/src/core/build_steps/test.rs b/src/bootstrap/src/core/build_steps/test.rs index 29cd90222b25..7556a19c90ca 100644 --- a/src/bootstrap/src/core/build_steps/test.rs +++ b/src/bootstrap/src/core/build_steps/test.rs @@ -308,7 +308,7 @@ impl Step for Cargo { // Forcibly disable tests using nightly features since any changes to // those features won't be able to land. cargo.env("CARGO_TEST_DISABLE_NIGHTLY", "1"); - cargo.env("PATH", &path_for_cargo(builder, compiler)); + cargo.env("PATH", path_for_cargo(builder, compiler)); #[cfg(feature = "build-metrics")] builder.metrics.begin_test_suite( @@ -2559,7 +2559,7 @@ fn prepare_cargo_test( cargo.arg("-p").arg(krate); } - cargo.arg("--").args(&builder.config.test_args()).args(libtest_args); + cargo.arg("--").args(builder.config.test_args()).args(libtest_args); if !builder.config.verbose_tests { cargo.arg("--quiet"); } @@ -3108,7 +3108,7 @@ impl Step for TierCheck { &[], ); cargo.arg(builder.src.join("src/doc/rustc/src/platform-support.md")); - cargo.arg(&builder.rustc(self.compiler)); + cargo.arg(builder.rustc(self.compiler)); if builder.is_verbose() { cargo.arg("--verbose"); } diff --git a/src/bootstrap/src/core/build_steps/tool.rs b/src/bootstrap/src/core/build_steps/tool.rs index 47bed6269db7..6cf31f2e61e1 100644 --- a/src/bootstrap/src/core/build_steps/tool.rs +++ b/src/bootstrap/src/core/build_steps/tool.rs @@ -199,7 +199,7 @@ pub fn prepare_tool_cargo( cargo.env("CFG_COMMIT_DATE", date); } if !features.is_empty() { - cargo.arg("--features").arg(&features.join(", ")); + cargo.arg("--features").arg(features.join(", ")); } // Enable internal lints for clippy and rustdoc diff --git a/src/bootstrap/src/lib.rs b/src/bootstrap/src/lib.rs index cde090637e01..1cab02e8c31b 100644 --- a/src/bootstrap/src/lib.rs +++ b/src/bootstrap/src/lib.rs @@ -624,7 +624,7 @@ impl Build { self.config .git() .args(["config", "--file"]) - .arg(&self.config.src.join(".gitmodules")) + .arg(self.config.src.join(".gitmodules")) .args(["--get-regexp", "path"]), ); for line in output.lines() { From be464b800c5875d23549afb744dcd3cf428ed539 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Wed, 12 Jun 2024 10:26:12 +0000 Subject: [PATCH 1383/1716] Upgrade a span_delayed_bug into a span_bug, as we have no tests hitting it. --- compiler/rustc_hir_typeck/src/expr.rs | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/compiler/rustc_hir_typeck/src/expr.rs b/compiler/rustc_hir_typeck/src/expr.rs index d77d898f3bda..cf2bf0d8f8b9 100644 --- a/compiler/rustc_hir_typeck/src/expr.rs +++ b/compiler/rustc_hir_typeck/src/expr.rs @@ -1341,14 +1341,16 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { self.write_method_call_and_enforce_effects(expr.hir_id, expr.span, method); Ok(method) } - Err(error) => Err(if segment.ident.name == kw::Empty { - self.dcx().span_delayed_bug(rcvr.span, "empty method name") - } else { - match self.report_method_error(expr.hir_id, rcvr_t, error, expected, false) { - Ok(diag) => diag.emit(), - Err(guar) => guar, + Err(error) => { + if segment.ident.name == kw::Empty { + span_bug!(rcvr.span, "empty method name") + } else { + match self.report_method_error(expr.hir_id, rcvr_t, error, expected, false) { + Ok(diag) => Err(diag.emit()), + Err(guar) => Err(guar), + } } - }), + } }; // Call the generic checker. From 4a06a5bc7ad259023e4373e794687adfce252dac Mon Sep 17 00:00:00 2001 From: Hans Wennborg Date: Wed, 12 Jun 2024 12:39:09 +0200 Subject: [PATCH 1384/1716] Adjust LoongArch64 data layouts for LLVM update The data layout was changed in LLVM 19: llvm/llvm-project#93814 --- compiler/rustc_codegen_llvm/src/context.rs | 8 ++++++++ .../src/spec/targets/loongarch64_unknown_linux_gnu.rs | 2 +- .../src/spec/targets/loongarch64_unknown_linux_musl.rs | 2 +- .../src/spec/targets/loongarch64_unknown_none.rs | 2 +- .../spec/targets/loongarch64_unknown_none_softfloat.rs | 2 +- 5 files changed, 12 insertions(+), 4 deletions(-) diff --git a/compiler/rustc_codegen_llvm/src/context.rs b/compiler/rustc_codegen_llvm/src/context.rs index 53a098d178e4..7d92888feeed 100644 --- a/compiler/rustc_codegen_llvm/src/context.rs +++ b/compiler/rustc_codegen_llvm/src/context.rs @@ -142,6 +142,14 @@ pub unsafe fn create_module<'ll>( } } + if llvm_version < (19, 0, 0) { + if sess.target.arch == "loongarch64" { + // LLVM 19 updates the LoongArch64 data layout. + // See https://github.com/llvm/llvm-project/pull/93814 + target_data_layout = target_data_layout.replace("-n32:64", "-n64"); + } + } + // Ensure the data-layout values hardcoded remain the defaults. { let tm = crate::back::write::create_informational_target_machine(tcx.sess); diff --git a/compiler/rustc_target/src/spec/targets/loongarch64_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/targets/loongarch64_unknown_linux_gnu.rs index f15a87989400..3e88180012e5 100644 --- a/compiler/rustc_target/src/spec/targets/loongarch64_unknown_linux_gnu.rs +++ b/compiler/rustc_target/src/spec/targets/loongarch64_unknown_linux_gnu.rs @@ -10,7 +10,7 @@ pub fn target() -> Target { std: None, }, pointer_width: 64, - data_layout: "e-m:e-p:64:64-i64:64-i128:128-n64-S128".into(), + data_layout: "e-m:e-p:64:64-i64:64-i128:128-n32:64-S128".into(), arch: "loongarch64".into(), options: TargetOptions { cpu: "generic".into(), diff --git a/compiler/rustc_target/src/spec/targets/loongarch64_unknown_linux_musl.rs b/compiler/rustc_target/src/spec/targets/loongarch64_unknown_linux_musl.rs index 032a29708d14..c45bc4383500 100644 --- a/compiler/rustc_target/src/spec/targets/loongarch64_unknown_linux_musl.rs +++ b/compiler/rustc_target/src/spec/targets/loongarch64_unknown_linux_musl.rs @@ -10,7 +10,7 @@ pub fn target() -> Target { std: None, }, pointer_width: 64, - data_layout: "e-m:e-p:64:64-i64:64-i128:128-n64-S128".into(), + data_layout: "e-m:e-p:64:64-i64:64-i128:128-n32:64-S128".into(), arch: "loongarch64".into(), options: TargetOptions { cpu: "generic".into(), diff --git a/compiler/rustc_target/src/spec/targets/loongarch64_unknown_none.rs b/compiler/rustc_target/src/spec/targets/loongarch64_unknown_none.rs index b2bfc8e42723..69533e82c3ce 100644 --- a/compiler/rustc_target/src/spec/targets/loongarch64_unknown_none.rs +++ b/compiler/rustc_target/src/spec/targets/loongarch64_unknown_none.rs @@ -11,7 +11,7 @@ pub fn target() -> Target { std: None, }, pointer_width: 64, - data_layout: "e-m:e-p:64:64-i64:64-i128:128-n64-S128".into(), + data_layout: "e-m:e-p:64:64-i64:64-i128:128-n32:64-S128".into(), arch: "loongarch64".into(), options: TargetOptions { cpu: "generic".into(), diff --git a/compiler/rustc_target/src/spec/targets/loongarch64_unknown_none_softfloat.rs b/compiler/rustc_target/src/spec/targets/loongarch64_unknown_none_softfloat.rs index 02e44c187abe..bc4c5bcde5ed 100644 --- a/compiler/rustc_target/src/spec/targets/loongarch64_unknown_none_softfloat.rs +++ b/compiler/rustc_target/src/spec/targets/loongarch64_unknown_none_softfloat.rs @@ -11,7 +11,7 @@ pub fn target() -> Target { std: None, }, pointer_width: 64, - data_layout: "e-m:e-p:64:64-i64:64-i128:128-n64-S128".into(), + data_layout: "e-m:e-p:64:64-i64:64-i128:128-n32:64-S128".into(), arch: "loongarch64".into(), options: TargetOptions { cpu: "generic".into(), From cae18fa7b0a773e967e5b8ef6fbccdaa7e0b6eed Mon Sep 17 00:00:00 2001 From: Mara Bos Date: Wed, 12 Jun 2024 13:15:02 +0200 Subject: [PATCH 1385/1716] Clarify doc comment. --- library/core/src/panic/panic_info.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/library/core/src/panic/panic_info.rs b/library/core/src/panic/panic_info.rs index df8f441bf353..a593abc86058 100644 --- a/library/core/src/panic/panic_info.rs +++ b/library/core/src/panic/panic_info.rs @@ -72,7 +72,7 @@ impl<'a> PanicInfo<'a> { /// Returns the payload associated with the panic. /// - /// On `core::panic::PanicInfo`, this method never returns anything useful. + /// On this type, `core::panic::PanicInfo`, this method never returns anything useful. /// It only exists because of compatibility with [`std::panic::PanicHookInfo`], /// which used to be the same type. /// From 1dc795230320d231c8c870ffd25ae17c2f7ea8ed Mon Sep 17 00:00:00 2001 From: Mara Bos Date: Wed, 12 Jun 2024 13:15:17 +0200 Subject: [PATCH 1386/1716] Fix deprecation version. --- library/core/src/panic/panic_info.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/library/core/src/panic/panic_info.rs b/library/core/src/panic/panic_info.rs index a593abc86058..1925f8e8eac9 100644 --- a/library/core/src/panic/panic_info.rs +++ b/library/core/src/panic/panic_info.rs @@ -80,7 +80,7 @@ impl<'a> PanicInfo<'a> { /// /// [`std::panic::PanicHookInfo`]: ../../std/panic/struct.PanicHookInfo.html /// [`std::panic::PanicHookInfo::payload`]: ../../std/panic/struct.PanicHookInfo.html#method.payload - #[deprecated(since = "1.77.0", note = "this never returns anything useful")] + #[deprecated(since = "CURRENT_RUSTC_VERSION", note = "this never returns anything useful")] #[stable(feature = "panic_hooks", since = "1.10.0")] #[allow(deprecated, deprecated_in_future)] pub fn payload(&self) -> &(dyn crate::any::Any + Send) { From 2944eab5e67b732f994df4fdefaa43e9ef225682 Mon Sep 17 00:00:00 2001 From: Mara Bos Date: Wed, 12 Jun 2024 13:15:29 +0200 Subject: [PATCH 1387/1716] Use payload_as_str instead of two downcasts. --- library/std/src/panic.rs | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/library/std/src/panic.rs b/library/std/src/panic.rs index 5282c00fccaf..c5d1a893ee80 100644 --- a/library/std/src/panic.rs +++ b/library/std/src/panic.rs @@ -202,10 +202,7 @@ impl fmt::Display for PanicHookInfo<'_> { fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result { formatter.write_str("panicked at ")?; self.location.fmt(formatter)?; - if let Some(payload) = self.payload.downcast_ref::<&'static str>() { - formatter.write_str(":\n")?; - formatter.write_str(payload)?; - } else if let Some(payload) = self.payload.downcast_ref::() { + if let Some(payload) = self.payload_as_str() { formatter.write_str(":\n")?; formatter.write_str(payload)?; } From 9afc91349e508121a2cc1d15402736b09a2527b6 Mon Sep 17 00:00:00 2001 From: Mara Bos Date: Wed, 12 Jun 2024 13:17:42 +0200 Subject: [PATCH 1388/1716] Update doc comment on PanicInfo::message(). --- library/core/src/panic/panic_info.rs | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/library/core/src/panic/panic_info.rs b/library/core/src/panic/panic_info.rs index 1925f8e8eac9..c8e507c690e2 100644 --- a/library/core/src/panic/panic_info.rs +++ b/library/core/src/panic/panic_info.rs @@ -29,9 +29,8 @@ impl<'a> PanicInfo<'a> { PanicInfo { location, message, can_unwind, force_no_backtrace } } - /// If the `panic!` macro from the `core` crate (not from `std`) - /// was used with a formatting string and some additional arguments, - /// returns that message ready to be used for example with [`fmt::write`] + /// The message that was given to the `panic!` macro, + /// ready to be formatted with e.g. [`fmt::write`]. #[must_use] #[unstable(feature = "panic_info_message", issue = "66745")] pub fn message(&self) -> fmt::Arguments<'_> { From 749a685626be4bd42eb1772eb497b6006f48cb14 Mon Sep 17 00:00:00 2001 From: Mara Bos Date: Wed, 12 Jun 2024 13:23:21 +0200 Subject: [PATCH 1389/1716] Fix deprecated version. --- library/core/src/panic/panic_info.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/library/core/src/panic/panic_info.rs b/library/core/src/panic/panic_info.rs index c8e507c690e2..78cf1d2e98ec 100644 --- a/library/core/src/panic/panic_info.rs +++ b/library/core/src/panic/panic_info.rs @@ -79,7 +79,7 @@ impl<'a> PanicInfo<'a> { /// /// [`std::panic::PanicHookInfo`]: ../../std/panic/struct.PanicHookInfo.html /// [`std::panic::PanicHookInfo::payload`]: ../../std/panic/struct.PanicHookInfo.html#method.payload - #[deprecated(since = "CURRENT_RUSTC_VERSION", note = "this never returns anything useful")] + #[deprecated(since = "1.81.0", note = "this never returns anything useful")] #[stable(feature = "panic_hooks", since = "1.10.0")] #[allow(deprecated, deprecated_in_future)] pub fn payload(&self) -> &(dyn crate::any::Any + Send) { From d0112c68498470fe2945956b7ed24c5053cbf182 Mon Sep 17 00:00:00 2001 From: Alex Macleod Date: Fri, 7 Jun 2024 14:54:42 +0000 Subject: [PATCH 1390/1716] Spell out other trait diagnostic --- .../error_reporting/type_err_ctxt_ext.rs | 2 +- tests/ui/binop/binary-op-suggest-deref.stderr | 8 +- tests/ui/binop/binop-mul-i32-f32.stderr | 8 +- tests/ui/binop/shift-various-bad-types.stderr | 48 ++++----- .../ui/const-generics/exhaustive-value.stderr | 16 +-- .../const-eval/const-eval-overflow-3b.stderr | 8 +- .../const-eval/const-eval-overflow-4b.stderr | 8 +- tests/ui/consts/too_generic_eval_ice.stderr | 16 +-- ...e-21659-show-relevant-trait-impls-1.stderr | 4 +- ...e-21659-show-relevant-trait-impls-2.stderr | 12 +-- .../issue-39802-show-5-trait-impls.stderr | 30 +++--- tests/ui/impl-trait/equality.stderr | 8 +- tests/ui/issues/issue-11771.stderr | 32 +++--- tests/ui/issues/issue-24352.stderr | 8 +- tests/ui/issues/issue-50582.stderr | 16 +-- .../invalid-iterator-chain-fixable.stderr | 12 +-- ...valid-iterator-chain-with-int-infer.stderr | 4 +- .../iterators/invalid-iterator-chain.stderr | 20 ++-- .../trailing-where-clause.stderr | 12 +-- tests/ui/mismatched_types/binops.stderr | 56 +++++------ tests/ui/never_type/issue-13352.stderr | 8 +- .../not-suggest-float-literal.stderr | 98 +++++++++---------- .../suggest-float-literal.stderr | 64 ++++++------ .../ui/on-unimplemented/multiple-impls.stderr | 24 ++--- tests/ui/on-unimplemented/slice-index.stderr | 4 +- tests/ui/on-unimplemented/sum.stderr | 8 +- tests/ui/span/multiline-span-simple.stderr | 8 +- tests/ui/suggestions/into-str.stderr | 12 +-- .../issue-71394-no-from-impl.stderr | 16 +-- .../repeated-supertrait-ambig.stderr | 12 +-- ...valuated-const-impl-trait-ref.fails.stderr | 4 +- .../question-mark-result-err-mismatch.stderr | 12 +-- tests/ui/try-trait/bad-interconversion.stderr | 20 ++-- tests/ui/try-trait/issue-32709.stderr | 16 +-- tests/ui/try-trait/option-to-result.stderr | 8 +- tests/ui/try-trait/try-on-option.stderr | 4 +- .../constrain_in_projection2.current.stderr | 4 +- .../nested-tait-inference2.current.stderr | 4 +- tests/ui/type/type-check-defaults.stderr | 8 +- tests/ui/typeck/issue-81293.stderr | 8 +- tests/ui/typeck/issue-90101.stderr | 10 +- tests/ui/ufcs/ufcs-qpath-self-mismatch.stderr | 16 +-- 42 files changed, 348 insertions(+), 348 deletions(-) diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs index aeb7f587a26f..72c1ec9e9868 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs @@ -2064,7 +2064,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { if all_traits_equal { format!("\n {}", c.self_ty()) } else { - format!("\n {c}") + format!("\n `{}` implements `{}`", c.self_ty(), c.print_only_trait_path()) } }) .collect(); diff --git a/tests/ui/binop/binary-op-suggest-deref.stderr b/tests/ui/binop/binary-op-suggest-deref.stderr index 47af51e2106b..ec17074e3050 100644 --- a/tests/ui/binop/binary-op-suggest-deref.stderr +++ b/tests/ui/binop/binary-op-suggest-deref.stderr @@ -303,10 +303,10 @@ LL | let _ = FOO & (*"Sized".to_string().into_boxed_str()); | = help: the trait `BitAnd` is not implemented for `i32` = help: the following other types implement trait `BitAnd`: - <&'a i32 as BitAnd> - <&i32 as BitAnd<&i32>> - > - + `&'a i32` implements `BitAnd` + `&i32` implements `BitAnd<&i32>` + `i32` implements `BitAnd<&i32>` + `i32` implements `BitAnd` error[E0277]: the size for values of type `str` cannot be known at compilation time --> $DIR/binary-op-suggest-deref.rs:78:17 diff --git a/tests/ui/binop/binop-mul-i32-f32.stderr b/tests/ui/binop/binop-mul-i32-f32.stderr index 29e1ff918340..33d8fba172ce 100644 --- a/tests/ui/binop/binop-mul-i32-f32.stderr +++ b/tests/ui/binop/binop-mul-i32-f32.stderr @@ -6,10 +6,10 @@ LL | x * y | = help: the trait `Mul` is not implemented for `i32` = help: the following other types implement trait `Mul`: - <&'a i32 as Mul> - <&i32 as Mul<&i32>> - > - + `&'a i32` implements `Mul` + `&i32` implements `Mul<&i32>` + `i32` implements `Mul<&i32>` + `i32` implements `Mul` error: aborting due to 1 previous error diff --git a/tests/ui/binop/shift-various-bad-types.stderr b/tests/ui/binop/shift-various-bad-types.stderr index 38db66f86b46..7313cb3fb84f 100644 --- a/tests/ui/binop/shift-various-bad-types.stderr +++ b/tests/ui/binop/shift-various-bad-types.stderr @@ -6,14 +6,14 @@ LL | 22 >> p.char; | = help: the trait `Shr` is not implemented for `{integer}` = help: the following other types implement trait `Shr`: - <&'a i128 as Shr> - <&'a i128 as Shr> - <&'a i128 as Shr> - <&'a i128 as Shr> - <&'a i128 as Shr> - <&'a i128 as Shr> - <&'a i128 as Shr> - <&'a i128 as Shr> + `&'a i128` implements `Shr` + `&'a i128` implements `Shr` + `&'a i128` implements `Shr` + `&'a i128` implements `Shr` + `&'a i128` implements `Shr` + `&'a i128` implements `Shr` + `&'a i128` implements `Shr` + `&'a i128` implements `Shr` and 568 others error[E0277]: no implementation for `{integer} >> &str` @@ -24,14 +24,14 @@ LL | 22 >> p.str; | = help: the trait `Shr<&str>` is not implemented for `{integer}` = help: the following other types implement trait `Shr`: - <&'a i128 as Shr> - <&'a i128 as Shr> - <&'a i128 as Shr> - <&'a i128 as Shr> - <&'a i128 as Shr> - <&'a i128 as Shr> - <&'a i128 as Shr> - <&'a i128 as Shr> + `&'a i128` implements `Shr` + `&'a i128` implements `Shr` + `&'a i128` implements `Shr` + `&'a i128` implements `Shr` + `&'a i128` implements `Shr` + `&'a i128` implements `Shr` + `&'a i128` implements `Shr` + `&'a i128` implements `Shr` and 568 others error[E0277]: no implementation for `{integer} >> &Panolpy` @@ -42,14 +42,14 @@ LL | 22 >> p; | = help: the trait `Shr<&Panolpy>` is not implemented for `{integer}` = help: the following other types implement trait `Shr`: - <&'a i128 as Shr> - <&'a i128 as Shr> - <&'a i128 as Shr> - <&'a i128 as Shr> - <&'a i128 as Shr> - <&'a i128 as Shr> - <&'a i128 as Shr> - <&'a i128 as Shr> + `&'a i128` implements `Shr` + `&'a i128` implements `Shr` + `&'a i128` implements `Shr` + `&'a i128` implements `Shr` + `&'a i128` implements `Shr` + `&'a i128` implements `Shr` + `&'a i128` implements `Shr` + `&'a i128` implements `Shr` and 568 others error[E0308]: mismatched types diff --git a/tests/ui/const-generics/exhaustive-value.stderr b/tests/ui/const-generics/exhaustive-value.stderr index acaa0cf1a508..791bb19ffe86 100644 --- a/tests/ui/const-generics/exhaustive-value.stderr +++ b/tests/ui/const-generics/exhaustive-value.stderr @@ -5,14 +5,14 @@ LL | <() as Foo>::test() | ^^ the trait `Foo` is not implemented for `()` | = help: the following other types implement trait `Foo`: - <() as Foo<0>> - <() as Foo<100>> - <() as Foo<101>> - <() as Foo<102>> - <() as Foo<103>> - <() as Foo<104>> - <() as Foo<105>> - <() as Foo<106>> + `()` implements `Foo<0>` + `()` implements `Foo<100>` + `()` implements `Foo<101>` + `()` implements `Foo<102>` + `()` implements `Foo<103>` + `()` implements `Foo<104>` + `()` implements `Foo<105>` + `()` implements `Foo<106>` and 248 others error: aborting due to 1 previous error diff --git a/tests/ui/consts/const-eval/const-eval-overflow-3b.stderr b/tests/ui/consts/const-eval/const-eval-overflow-3b.stderr index 05f33c33946a..0d9b718cd067 100644 --- a/tests/ui/consts/const-eval/const-eval-overflow-3b.stderr +++ b/tests/ui/consts/const-eval/const-eval-overflow-3b.stderr @@ -12,10 +12,10 @@ LL | = [0; (i8::MAX + 1u8) as usize]; | = help: the trait `Add` is not implemented for `i8` = help: the following other types implement trait `Add`: - <&'a i8 as Add> - <&i8 as Add<&i8>> - > - + `&'a i8` implements `Add` + `&i8` implements `Add<&i8>` + `i8` implements `Add<&i8>` + `i8` implements `Add` error: aborting due to 2 previous errors diff --git a/tests/ui/consts/const-eval/const-eval-overflow-4b.stderr b/tests/ui/consts/const-eval/const-eval-overflow-4b.stderr index d019f5920b51..32fe30dc8824 100644 --- a/tests/ui/consts/const-eval/const-eval-overflow-4b.stderr +++ b/tests/ui/consts/const-eval/const-eval-overflow-4b.stderr @@ -12,10 +12,10 @@ LL | : [u32; (i8::MAX as i8 + 1u8) as usize] | = help: the trait `Add` is not implemented for `i8` = help: the following other types implement trait `Add`: - <&'a i8 as Add> - <&i8 as Add<&i8>> - > - + `&'a i8` implements `Add` + `&i8` implements `Add<&i8>` + `i8` implements `Add<&i8>` + `i8` implements `Add` error[E0604]: only `u8` can be cast as `char`, not `i8` --> $DIR/const-eval-overflow-4b.rs:22:13 diff --git a/tests/ui/consts/too_generic_eval_ice.stderr b/tests/ui/consts/too_generic_eval_ice.stderr index 54dffa3befcf..58a61b938d6c 100644 --- a/tests/ui/consts/too_generic_eval_ice.stderr +++ b/tests/ui/consts/too_generic_eval_ice.stderr @@ -22,14 +22,14 @@ LL | [5; Self::HOST_SIZE] == [6; 0] | = help: the trait `PartialEq<[{integer}; 0]>` is not implemented for `[{integer}; Self::HOST_SIZE]` = help: the following other types implement trait `PartialEq`: - <&[T] as PartialEq>> - <&[T] as PartialEq<[U; N]>> - <&mut [T] as PartialEq>> - <&mut [T] as PartialEq<[U; N]>> - <[T; N] as PartialEq<&[U]>> - <[T; N] as PartialEq<&mut [U]>> - <[T; N] as PartialEq<[U; N]>> - <[T; N] as PartialEq<[U]>> + `&[T]` implements `PartialEq>` + `&[T]` implements `PartialEq<[U; N]>` + `&mut [T]` implements `PartialEq>` + `&mut [T]` implements `PartialEq<[U; N]>` + `[T; N]` implements `PartialEq<&[U]>` + `[T; N]` implements `PartialEq<&mut [U]>` + `[T; N]` implements `PartialEq<[U; N]>` + `[T; N]` implements `PartialEq<[U]>` and 3 others error: aborting due to 3 previous errors diff --git a/tests/ui/did_you_mean/issue-21659-show-relevant-trait-impls-1.stderr b/tests/ui/did_you_mean/issue-21659-show-relevant-trait-impls-1.stderr index 9cbce93c8e00..9d335b391eb1 100644 --- a/tests/ui/did_you_mean/issue-21659-show-relevant-trait-impls-1.stderr +++ b/tests/ui/did_you_mean/issue-21659-show-relevant-trait-impls-1.stderr @@ -7,8 +7,8 @@ LL | f1.foo(1usize); | required by a bound introduced by this call | = help: the following other types implement trait `Foo`: - > - > + `Bar` implements `Foo` + `Bar` implements `Foo` error: aborting due to 1 previous error diff --git a/tests/ui/did_you_mean/issue-21659-show-relevant-trait-impls-2.stderr b/tests/ui/did_you_mean/issue-21659-show-relevant-trait-impls-2.stderr index a2b7d804cb8c..f9d718079601 100644 --- a/tests/ui/did_you_mean/issue-21659-show-relevant-trait-impls-2.stderr +++ b/tests/ui/did_you_mean/issue-21659-show-relevant-trait-impls-2.stderr @@ -7,12 +7,12 @@ LL | f1.foo(1usize); | required by a bound introduced by this call | = help: the following other types implement trait `Foo`: - > - > - > - > - > - > + `Bar` implements `Foo` + `Bar` implements `Foo` + `Bar` implements `Foo` + `Bar` implements `Foo` + `Bar` implements `Foo` + `Bar` implements `Foo` error: aborting due to 1 previous error diff --git a/tests/ui/did_you_mean/issue-39802-show-5-trait-impls.stderr b/tests/ui/did_you_mean/issue-39802-show-5-trait-impls.stderr index 7229b9ac986a..b50203044395 100644 --- a/tests/ui/did_you_mean/issue-39802-show-5-trait-impls.stderr +++ b/tests/ui/did_you_mean/issue-39802-show-5-trait-impls.stderr @@ -7,11 +7,11 @@ LL | Foo::::bar(&1i8); | required by a bound introduced by this call | = help: the following other types implement trait `Foo`: - > - > - > - > - > + `i8` implements `Foo` + `i8` implements `Foo` + `i8` implements `Foo` + `i8` implements `Foo` + `i8` implements `Foo` error[E0277]: the trait bound `u8: Foo` is not satisfied --> $DIR/issue-39802-show-5-trait-impls.rs:25:21 @@ -22,10 +22,10 @@ LL | Foo::::bar(&1u8); | required by a bound introduced by this call | = help: the following other types implement trait `Foo`: - > - > - > - > + `u8` implements `Foo` + `u8` implements `Foo` + `u8` implements `Foo` + `u8` implements `Foo` error[E0277]: the trait bound `bool: Foo` is not satisfied --> $DIR/issue-39802-show-5-trait-impls.rs:26:21 @@ -36,12 +36,12 @@ LL | Foo::::bar(&true); | required by a bound introduced by this call | = help: the following other types implement trait `Foo`: - > - > - > - > - > - > + `bool` implements `Foo` + `bool` implements `Foo` + `bool` implements `Foo` + `bool` implements `Foo` + `bool` implements `Foo` + `bool` implements `Foo` error: aborting due to 3 previous errors diff --git a/tests/ui/impl-trait/equality.stderr b/tests/ui/impl-trait/equality.stderr index 69f4cbbbf429..12d886a00245 100644 --- a/tests/ui/impl-trait/equality.stderr +++ b/tests/ui/impl-trait/equality.stderr @@ -30,10 +30,10 @@ LL | n + sum_to(n - 1) | = help: the trait `Add` is not implemented for `u32` = help: the following other types implement trait `Add`: - <&'a u32 as Add> - <&u32 as Add<&u32>> - > - + `&'a u32` implements `Add` + `&u32` implements `Add<&u32>` + `u32` implements `Add<&u32>` + `u32` implements `Add` error: aborting due to 2 previous errors; 1 warning emitted diff --git a/tests/ui/issues/issue-11771.stderr b/tests/ui/issues/issue-11771.stderr index d4a4647f6a10..8205ee0c38d5 100644 --- a/tests/ui/issues/issue-11771.stderr +++ b/tests/ui/issues/issue-11771.stderr @@ -6,14 +6,14 @@ LL | 1 + | = help: the trait `Add<()>` is not implemented for `{integer}` = help: the following other types implement trait `Add`: - <&'a f128 as Add> - <&'a f16 as Add> - <&'a f32 as Add> - <&'a f64 as Add> - <&'a i128 as Add> - <&'a i16 as Add> - <&'a i32 as Add> - <&'a i64 as Add> + `&'a f128` implements `Add` + `&'a f16` implements `Add` + `&'a f32` implements `Add` + `&'a f64` implements `Add` + `&'a i128` implements `Add` + `&'a i16` implements `Add` + `&'a i32` implements `Add` + `&'a i64` implements `Add` and 56 others error[E0277]: cannot add `()` to `{integer}` @@ -24,14 +24,14 @@ LL | 1 + | = help: the trait `Add<()>` is not implemented for `{integer}` = help: the following other types implement trait `Add`: - <&'a f128 as Add> - <&'a f16 as Add> - <&'a f32 as Add> - <&'a f64 as Add> - <&'a i128 as Add> - <&'a i16 as Add> - <&'a i32 as Add> - <&'a i64 as Add> + `&'a f128` implements `Add` + `&'a f16` implements `Add` + `&'a f32` implements `Add` + `&'a f64` implements `Add` + `&'a i128` implements `Add` + `&'a i16` implements `Add` + `&'a i32` implements `Add` + `&'a i64` implements `Add` and 56 others error: aborting due to 2 previous errors diff --git a/tests/ui/issues/issue-24352.stderr b/tests/ui/issues/issue-24352.stderr index a9f886158e1d..2e7dc254d914 100644 --- a/tests/ui/issues/issue-24352.stderr +++ b/tests/ui/issues/issue-24352.stderr @@ -6,10 +6,10 @@ LL | 1.0f64 - 1 | = help: the trait `Sub<{integer}>` is not implemented for `f64` = help: the following other types implement trait `Sub`: - <&'a f64 as Sub> - <&f64 as Sub<&f64>> - > - + `&'a f64` implements `Sub` + `&f64` implements `Sub<&f64>` + `f64` implements `Sub<&f64>` + `f64` implements `Sub` help: consider using a floating-point literal by writing it with `.0` | LL | 1.0f64 - 1.0 diff --git a/tests/ui/issues/issue-50582.stderr b/tests/ui/issues/issue-50582.stderr index b765d2f087d0..7203fdeb0bbc 100644 --- a/tests/ui/issues/issue-50582.stderr +++ b/tests/ui/issues/issue-50582.stderr @@ -16,14 +16,14 @@ LL | Vec::<[(); 1 + for x in 0..1 {}]>::new(); | = help: the trait `Add<()>` is not implemented for `{integer}` = help: the following other types implement trait `Add`: - <&'a f128 as Add> - <&'a f16 as Add> - <&'a f32 as Add> - <&'a f64 as Add> - <&'a i128 as Add> - <&'a i16 as Add> - <&'a i32 as Add> - <&'a i64 as Add> + `&'a f128` implements `Add` + `&'a f16` implements `Add` + `&'a f32` implements `Add` + `&'a f64` implements `Add` + `&'a i128` implements `Add` + `&'a i16` implements `Add` + `&'a i32` implements `Add` + `&'a i64` implements `Add` and 56 others error: aborting due to 2 previous errors diff --git a/tests/ui/iterators/invalid-iterator-chain-fixable.stderr b/tests/ui/iterators/invalid-iterator-chain-fixable.stderr index 4d1e4207fdcb..a7685e4938d8 100644 --- a/tests/ui/iterators/invalid-iterator-chain-fixable.stderr +++ b/tests/ui/iterators/invalid-iterator-chain-fixable.stderr @@ -33,8 +33,8 @@ LL | println!("{}", scores.sum::()); | = help: the trait `Sum<()>` is not implemented for `i32` = help: the following other types implement trait `Sum`: - > - + `i32` implements `Sum<&'a i32>` + `i32` implements `Sum` note: the method call chain might not have had the expected associated types --> $DIR/invalid-iterator-chain-fixable.rs:14:10 | @@ -66,8 +66,8 @@ LL | .sum::(), | = help: the trait `Sum<()>` is not implemented for `i32` = help: the following other types implement trait `Sum`: - > - + `i32` implements `Sum<&'a i32>` + `i32` implements `Sum` note: the method call chain might not have had the expected associated types --> $DIR/invalid-iterator-chain-fixable.rs:23:14 | @@ -99,8 +99,8 @@ LL | println!("{}", vec![0, 1].iter().map(|x| { x; }).sum::()); | = help: the trait `Sum<()>` is not implemented for `i32` = help: the following other types implement trait `Sum`: - > - + `i32` implements `Sum<&'a i32>` + `i32` implements `Sum` note: the method call chain might not have had the expected associated types --> $DIR/invalid-iterator-chain-fixable.rs:27:38 | diff --git a/tests/ui/iterators/invalid-iterator-chain-with-int-infer.stderr b/tests/ui/iterators/invalid-iterator-chain-with-int-infer.stderr index 9381a98e0778..189f089ba51a 100644 --- a/tests/ui/iterators/invalid-iterator-chain-with-int-infer.stderr +++ b/tests/ui/iterators/invalid-iterator-chain-with-int-infer.stderr @@ -8,8 +8,8 @@ LL | let x = Some(()).iter().map(|()| 1).sum::(); | = help: the trait `Sum<{integer}>` is not implemented for `f32` = help: the following other types implement trait `Sum`: - > - + `f32` implements `Sum<&'a f32>` + `f32` implements `Sum` note: the method call chain might not have had the expected associated types --> $DIR/invalid-iterator-chain-with-int-infer.rs:2:29 | diff --git a/tests/ui/iterators/invalid-iterator-chain.stderr b/tests/ui/iterators/invalid-iterator-chain.stderr index 6129a724f447..f72a9f702dce 100644 --- a/tests/ui/iterators/invalid-iterator-chain.stderr +++ b/tests/ui/iterators/invalid-iterator-chain.stderr @@ -33,8 +33,8 @@ LL | println!("{}", scores.sum::()); | = help: the trait `Sum<()>` is not implemented for `i32` = help: the following other types implement trait `Sum`: - > - + `i32` implements `Sum<&'a i32>` + `i32` implements `Sum` note: the method call chain might not have had the expected associated types --> $DIR/invalid-iterator-chain.rs:12:10 | @@ -65,8 +65,8 @@ LL | .sum::(), | = help: the trait `Sum<()>` is not implemented for `i32` = help: the following other types implement trait `Sum`: - > - + `i32` implements `Sum<&'a i32>` + `i32` implements `Sum` note: the method call chain might not have had the expected associated types --> $DIR/invalid-iterator-chain.rs:25:14 | @@ -104,8 +104,8 @@ LL | .sum::(), | = help: the trait `Sum` is not implemented for `i32` = help: the following other types implement trait `Sum`: - > - + `i32` implements `Sum<&'a i32>` + `i32` implements `Sum` note: the method call chain might not have had the expected associated types --> $DIR/invalid-iterator-chain.rs:33:14 | @@ -134,8 +134,8 @@ LL | println!("{}", vec![0, 1].iter().map(|x| { x; }).sum::()); | = help: the trait `Sum<()>` is not implemented for `i32` = help: the following other types implement trait `Sum`: - > - + `i32` implements `Sum<&'a i32>` + `i32` implements `Sum` note: the method call chain might not have had the expected associated types --> $DIR/invalid-iterator-chain.rs:38:38 | @@ -162,8 +162,8 @@ LL | println!("{}", vec![(), ()].iter().sum::()); | = help: the trait `Sum<&()>` is not implemented for `i32` = help: the following other types implement trait `Sum`: - > - + `i32` implements `Sum<&'a i32>` + `i32` implements `Sum` note: the method call chain might not have had the expected associated types --> $DIR/invalid-iterator-chain.rs:39:33 | diff --git a/tests/ui/lazy-type-alias/trailing-where-clause.stderr b/tests/ui/lazy-type-alias/trailing-where-clause.stderr index 534df382eb6e..9fabbe91d25a 100644 --- a/tests/ui/lazy-type-alias/trailing-where-clause.stderr +++ b/tests/ui/lazy-type-alias/trailing-where-clause.stderr @@ -5,12 +5,12 @@ LL | let _: Alias<()>; | ^^ the trait `From<()>` is not implemented for `String` | = help: the following other types implement trait `From`: - > - > - > - >> - >> - > + `String` implements `From<&String>` + `String` implements `From<&mut str>` + `String` implements `From<&str>` + `String` implements `From>` + `String` implements `From>` + `String` implements `From` note: required by a bound in `Alias` --> $DIR/trailing-where-clause.rs:8:13 | diff --git a/tests/ui/mismatched_types/binops.stderr b/tests/ui/mismatched_types/binops.stderr index 099c580a0565..92f21a67c370 100644 --- a/tests/ui/mismatched_types/binops.stderr +++ b/tests/ui/mismatched_types/binops.stderr @@ -6,14 +6,14 @@ LL | 1 + Some(1); | = help: the trait `Add>` is not implemented for `{integer}` = help: the following other types implement trait `Add`: - <&'a f128 as Add> - <&'a f16 as Add> - <&'a f32 as Add> - <&'a f64 as Add> - <&'a i128 as Add> - <&'a i16 as Add> - <&'a i32 as Add> - <&'a i64 as Add> + `&'a f128` implements `Add` + `&'a f16` implements `Add` + `&'a f32` implements `Add` + `&'a f64` implements `Add` + `&'a i128` implements `Add` + `&'a i16` implements `Add` + `&'a i32` implements `Add` + `&'a i64` implements `Add` and 56 others error[E0277]: cannot subtract `Option<{integer}>` from `usize` @@ -24,10 +24,10 @@ LL | 2 as usize - Some(1); | = help: the trait `Sub>` is not implemented for `usize` = help: the following other types implement trait `Sub`: - <&'a usize as Sub> - <&usize as Sub<&usize>> - > - + `&'a usize` implements `Sub` + `&usize` implements `Sub<&usize>` + `usize` implements `Sub<&usize>` + `usize` implements `Sub` error[E0277]: cannot multiply `{integer}` by `()` --> $DIR/binops.rs:4:7 @@ -37,14 +37,14 @@ LL | 3 * (); | = help: the trait `Mul<()>` is not implemented for `{integer}` = help: the following other types implement trait `Mul`: - <&'a f128 as Mul> - <&'a f16 as Mul> - <&'a f32 as Mul> - <&'a f64 as Mul> - <&'a i128 as Mul> - <&'a i16 as Mul> - <&'a i32 as Mul> - <&'a i64 as Mul> + `&'a f128` implements `Mul` + `&'a f16` implements `Mul` + `&'a f32` implements `Mul` + `&'a f64` implements `Mul` + `&'a i128` implements `Mul` + `&'a i16` implements `Mul` + `&'a i32` implements `Mul` + `&'a i64` implements `Mul` and 57 others error[E0277]: cannot divide `{integer}` by `&str` @@ -55,14 +55,14 @@ LL | 4 / ""; | = help: the trait `Div<&str>` is not implemented for `{integer}` = help: the following other types implement trait `Div`: - <&'a f128 as Div> - <&'a f16 as Div> - <&'a f32 as Div> - <&'a f64 as Div> - <&'a i128 as Div> - <&'a i16 as Div> - <&'a i32 as Div> - <&'a i64 as Div> + `&'a f128` implements `Div` + `&'a f16` implements `Div` + `&'a f32` implements `Div` + `&'a f64` implements `Div` + `&'a i128` implements `Div` + `&'a i16` implements `Div` + `&'a i32` implements `Div` + `&'a i64` implements `Div` and 62 others error[E0277]: can't compare `{integer}` with `String` diff --git a/tests/ui/never_type/issue-13352.stderr b/tests/ui/never_type/issue-13352.stderr index 1b979d934462..7134e4d40a6a 100644 --- a/tests/ui/never_type/issue-13352.stderr +++ b/tests/ui/never_type/issue-13352.stderr @@ -6,10 +6,10 @@ LL | 2_usize + (loop {}); | = help: the trait `Add<()>` is not implemented for `usize` = help: the following other types implement trait `Add`: - <&'a usize as Add> - <&usize as Add<&usize>> - > - + `&'a usize` implements `Add` + `&usize` implements `Add<&usize>` + `usize` implements `Add<&usize>` + `usize` implements `Add` error: aborting due to 1 previous error diff --git a/tests/ui/numbers-arithmetic/not-suggest-float-literal.stderr b/tests/ui/numbers-arithmetic/not-suggest-float-literal.stderr index 14685a3f9371..a910666bd56c 100644 --- a/tests/ui/numbers-arithmetic/not-suggest-float-literal.stderr +++ b/tests/ui/numbers-arithmetic/not-suggest-float-literal.stderr @@ -6,10 +6,10 @@ LL | x + 100.0 | = help: the trait `Add<{float}>` is not implemented for `u8` = help: the following other types implement trait `Add`: - <&'a u8 as Add> - <&u8 as Add<&u8>> - > - + `&'a u8` implements `Add` + `&u8` implements `Add<&u8>` + `u8` implements `Add<&u8>` + `u8` implements `Add` error[E0277]: cannot add `&str` to `f64` --> $DIR/not-suggest-float-literal.rs:6:7 @@ -19,10 +19,10 @@ LL | x + "foo" | = help: the trait `Add<&str>` is not implemented for `f64` = help: the following other types implement trait `Add`: - <&'a f64 as Add> - <&f64 as Add<&f64>> - > - + `&'a f64` implements `Add` + `&f64` implements `Add<&f64>` + `f64` implements `Add<&f64>` + `f64` implements `Add` error[E0277]: cannot add `{integer}` to `f64` --> $DIR/not-suggest-float-literal.rs:11:7 @@ -32,10 +32,10 @@ LL | x + y | = help: the trait `Add<{integer}>` is not implemented for `f64` = help: the following other types implement trait `Add`: - <&'a f64 as Add> - <&f64 as Add<&f64>> - > - + `&'a f64` implements `Add` + `&f64` implements `Add<&f64>` + `f64` implements `Add<&f64>` + `f64` implements `Add` error[E0277]: cannot subtract `{float}` from `u8` --> $DIR/not-suggest-float-literal.rs:15:7 @@ -45,10 +45,10 @@ LL | x - 100.0 | = help: the trait `Sub<{float}>` is not implemented for `u8` = help: the following other types implement trait `Sub`: - <&'a u8 as Sub> - <&u8 as Sub<&u8>> - > - + `&'a u8` implements `Sub` + `&u8` implements `Sub<&u8>` + `u8` implements `Sub<&u8>` + `u8` implements `Sub` error[E0277]: cannot subtract `&str` from `f64` --> $DIR/not-suggest-float-literal.rs:19:7 @@ -58,10 +58,10 @@ LL | x - "foo" | = help: the trait `Sub<&str>` is not implemented for `f64` = help: the following other types implement trait `Sub`: - <&'a f64 as Sub> - <&f64 as Sub<&f64>> - > - + `&'a f64` implements `Sub` + `&f64` implements `Sub<&f64>` + `f64` implements `Sub<&f64>` + `f64` implements `Sub` error[E0277]: cannot subtract `{integer}` from `f64` --> $DIR/not-suggest-float-literal.rs:24:7 @@ -71,10 +71,10 @@ LL | x - y | = help: the trait `Sub<{integer}>` is not implemented for `f64` = help: the following other types implement trait `Sub`: - <&'a f64 as Sub> - <&f64 as Sub<&f64>> - > - + `&'a f64` implements `Sub` + `&f64` implements `Sub<&f64>` + `f64` implements `Sub<&f64>` + `f64` implements `Sub` error[E0277]: cannot multiply `u8` by `{float}` --> $DIR/not-suggest-float-literal.rs:28:7 @@ -84,10 +84,10 @@ LL | x * 100.0 | = help: the trait `Mul<{float}>` is not implemented for `u8` = help: the following other types implement trait `Mul`: - <&'a u8 as Mul> - <&u8 as Mul<&u8>> - > - + `&'a u8` implements `Mul` + `&u8` implements `Mul<&u8>` + `u8` implements `Mul<&u8>` + `u8` implements `Mul` error[E0277]: cannot multiply `f64` by `&str` --> $DIR/not-suggest-float-literal.rs:32:7 @@ -97,10 +97,10 @@ LL | x * "foo" | = help: the trait `Mul<&str>` is not implemented for `f64` = help: the following other types implement trait `Mul`: - <&'a f64 as Mul> - <&f64 as Mul<&f64>> - > - + `&'a f64` implements `Mul` + `&f64` implements `Mul<&f64>` + `f64` implements `Mul<&f64>` + `f64` implements `Mul` error[E0277]: cannot multiply `f64` by `{integer}` --> $DIR/not-suggest-float-literal.rs:37:7 @@ -110,10 +110,10 @@ LL | x * y | = help: the trait `Mul<{integer}>` is not implemented for `f64` = help: the following other types implement trait `Mul`: - <&'a f64 as Mul> - <&f64 as Mul<&f64>> - > - + `&'a f64` implements `Mul` + `&f64` implements `Mul<&f64>` + `f64` implements `Mul<&f64>` + `f64` implements `Mul` error[E0277]: cannot divide `u8` by `{float}` --> $DIR/not-suggest-float-literal.rs:41:7 @@ -123,11 +123,11 @@ LL | x / 100.0 | = help: the trait `Div<{float}>` is not implemented for `u8` = help: the following other types implement trait `Div`: - <&'a u8 as Div> - <&u8 as Div<&u8>> - > - >> - + `&'a u8` implements `Div` + `&u8` implements `Div<&u8>` + `u8` implements `Div<&u8>` + `u8` implements `Div>` + `u8` implements `Div` error[E0277]: cannot divide `f64` by `&str` --> $DIR/not-suggest-float-literal.rs:45:7 @@ -137,10 +137,10 @@ LL | x / "foo" | = help: the trait `Div<&str>` is not implemented for `f64` = help: the following other types implement trait `Div`: - <&'a f64 as Div> - <&f64 as Div<&f64>> - > - + `&'a f64` implements `Div` + `&f64` implements `Div<&f64>` + `f64` implements `Div<&f64>` + `f64` implements `Div` error[E0277]: cannot divide `f64` by `{integer}` --> $DIR/not-suggest-float-literal.rs:50:7 @@ -150,10 +150,10 @@ LL | x / y | = help: the trait `Div<{integer}>` is not implemented for `f64` = help: the following other types implement trait `Div`: - <&'a f64 as Div> - <&f64 as Div<&f64>> - > - + `&'a f64` implements `Div` + `&f64` implements `Div<&f64>` + `f64` implements `Div<&f64>` + `f64` implements `Div` error: aborting due to 12 previous errors diff --git a/tests/ui/numbers-arithmetic/suggest-float-literal.stderr b/tests/ui/numbers-arithmetic/suggest-float-literal.stderr index 03779d356371..8585ac485dbb 100644 --- a/tests/ui/numbers-arithmetic/suggest-float-literal.stderr +++ b/tests/ui/numbers-arithmetic/suggest-float-literal.stderr @@ -6,10 +6,10 @@ LL | x + 100 | = help: the trait `Add<{integer}>` is not implemented for `f32` = help: the following other types implement trait `Add`: - <&'a f32 as Add> - <&f32 as Add<&f32>> - > - + `&'a f32` implements `Add` + `&f32` implements `Add<&f32>` + `f32` implements `Add<&f32>` + `f32` implements `Add` help: consider using a floating-point literal by writing it with `.0` | LL | x + 100.0 @@ -23,10 +23,10 @@ LL | x + 100 | = help: the trait `Add<{integer}>` is not implemented for `f64` = help: the following other types implement trait `Add`: - <&'a f64 as Add> - <&f64 as Add<&f64>> - > - + `&'a f64` implements `Add` + `&f64` implements `Add<&f64>` + `f64` implements `Add<&f64>` + `f64` implements `Add` help: consider using a floating-point literal by writing it with `.0` | LL | x + 100.0 @@ -40,10 +40,10 @@ LL | x - 100 | = help: the trait `Sub<{integer}>` is not implemented for `f32` = help: the following other types implement trait `Sub`: - <&'a f32 as Sub> - <&f32 as Sub<&f32>> - > - + `&'a f32` implements `Sub` + `&f32` implements `Sub<&f32>` + `f32` implements `Sub<&f32>` + `f32` implements `Sub` help: consider using a floating-point literal by writing it with `.0` | LL | x - 100.0 @@ -57,10 +57,10 @@ LL | x - 100 | = help: the trait `Sub<{integer}>` is not implemented for `f64` = help: the following other types implement trait `Sub`: - <&'a f64 as Sub> - <&f64 as Sub<&f64>> - > - + `&'a f64` implements `Sub` + `&f64` implements `Sub<&f64>` + `f64` implements `Sub<&f64>` + `f64` implements `Sub` help: consider using a floating-point literal by writing it with `.0` | LL | x - 100.0 @@ -74,10 +74,10 @@ LL | x * 100 | = help: the trait `Mul<{integer}>` is not implemented for `f32` = help: the following other types implement trait `Mul`: - <&'a f32 as Mul> - <&f32 as Mul<&f32>> - > - + `&'a f32` implements `Mul` + `&f32` implements `Mul<&f32>` + `f32` implements `Mul<&f32>` + `f32` implements `Mul` help: consider using a floating-point literal by writing it with `.0` | LL | x * 100.0 @@ -91,10 +91,10 @@ LL | x * 100 | = help: the trait `Mul<{integer}>` is not implemented for `f64` = help: the following other types implement trait `Mul`: - <&'a f64 as Mul> - <&f64 as Mul<&f64>> - > - + `&'a f64` implements `Mul` + `&f64` implements `Mul<&f64>` + `f64` implements `Mul<&f64>` + `f64` implements `Mul` help: consider using a floating-point literal by writing it with `.0` | LL | x * 100.0 @@ -108,10 +108,10 @@ LL | x / 100 | = help: the trait `Div<{integer}>` is not implemented for `f32` = help: the following other types implement trait `Div`: - <&'a f32 as Div> - <&f32 as Div<&f32>> - > - + `&'a f32` implements `Div` + `&f32` implements `Div<&f32>` + `f32` implements `Div<&f32>` + `f32` implements `Div` help: consider using a floating-point literal by writing it with `.0` | LL | x / 100.0 @@ -125,10 +125,10 @@ LL | x / 100 | = help: the trait `Div<{integer}>` is not implemented for `f64` = help: the following other types implement trait `Div`: - <&'a f64 as Div> - <&f64 as Div<&f64>> - > - + `&'a f64` implements `Div` + `&f64` implements `Div<&f64>` + `f64` implements `Div<&f64>` + `f64` implements `Div` help: consider using a floating-point literal by writing it with `.0` | LL | x / 100.0 diff --git a/tests/ui/on-unimplemented/multiple-impls.stderr b/tests/ui/on-unimplemented/multiple-impls.stderr index b50dc251baac..ba4e43ff3594 100644 --- a/tests/ui/on-unimplemented/multiple-impls.stderr +++ b/tests/ui/on-unimplemented/multiple-impls.stderr @@ -8,8 +8,8 @@ LL | Index::index(&[] as &[i32], 2u32); | = help: the trait `Index` is not implemented for `[i32]` = help: the following other types implement trait `Index`: - <[i32] as Index>> - <[i32] as Index>> + `[i32]` implements `Index>` + `[i32]` implements `Index>` error[E0277]: the trait bound `[i32]: Index>` is not satisfied --> $DIR/multiple-impls.rs:36:33 @@ -21,8 +21,8 @@ LL | Index::index(&[] as &[i32], Foo(2u32)); | = help: the trait `Index>` is not implemented for `[i32]` = help: the following other types implement trait `Index`: - <[i32] as Index>> - <[i32] as Index>> + `[i32]` implements `Index>` + `[i32]` implements `Index>` error[E0277]: the trait bound `[i32]: Index>` is not satisfied --> $DIR/multiple-impls.rs:39:33 @@ -34,8 +34,8 @@ LL | Index::index(&[] as &[i32], Bar(2u32)); | = help: the trait `Index>` is not implemented for `[i32]` = help: the following other types implement trait `Index`: - <[i32] as Index>> - <[i32] as Index>> + `[i32]` implements `Index>` + `[i32]` implements `Index>` error[E0277]: the trait bound `[i32]: Index` is not satisfied --> $DIR/multiple-impls.rs:33:5 @@ -45,8 +45,8 @@ LL | Index::index(&[] as &[i32], 2u32); | = help: the trait `Index` is not implemented for `[i32]` = help: the following other types implement trait `Index`: - <[i32] as Index>> - <[i32] as Index>> + `[i32]` implements `Index>` + `[i32]` implements `Index>` error[E0277]: the trait bound `[i32]: Index>` is not satisfied --> $DIR/multiple-impls.rs:36:5 @@ -56,8 +56,8 @@ LL | Index::index(&[] as &[i32], Foo(2u32)); | = help: the trait `Index>` is not implemented for `[i32]` = help: the following other types implement trait `Index`: - <[i32] as Index>> - <[i32] as Index>> + `[i32]` implements `Index>` + `[i32]` implements `Index>` error[E0277]: the trait bound `[i32]: Index>` is not satisfied --> $DIR/multiple-impls.rs:39:5 @@ -67,8 +67,8 @@ LL | Index::index(&[] as &[i32], Bar(2u32)); | = help: the trait `Index>` is not implemented for `[i32]` = help: the following other types implement trait `Index`: - <[i32] as Index>> - <[i32] as Index>> + `[i32]` implements `Index>` + `[i32]` implements `Index>` error: aborting due to 6 previous errors diff --git a/tests/ui/on-unimplemented/slice-index.stderr b/tests/ui/on-unimplemented/slice-index.stderr index f17f3cfce8de..0f8d105abef1 100644 --- a/tests/ui/on-unimplemented/slice-index.stderr +++ b/tests/ui/on-unimplemented/slice-index.stderr @@ -17,8 +17,8 @@ LL | x[..1i32]; | = help: the trait `SliceIndex<[i32]>` is not implemented for `RangeTo`, which is required by `[i32]: Index<_>` = help: the following other types implement trait `SliceIndex`: - as SliceIndex<[T]>> - as SliceIndex> + `RangeTo` implements `SliceIndex<[T]>` + `RangeTo` implements `SliceIndex` = note: required for `[i32]` to implement `Index>` error: aborting due to 2 previous errors diff --git a/tests/ui/on-unimplemented/sum.stderr b/tests/ui/on-unimplemented/sum.stderr index 65bab458cf18..f8e266a87278 100644 --- a/tests/ui/on-unimplemented/sum.stderr +++ b/tests/ui/on-unimplemented/sum.stderr @@ -8,8 +8,8 @@ LL | vec![(), ()].iter().sum::(); | = help: the trait `Sum<&()>` is not implemented for `i32` = help: the following other types implement trait `Sum`: - > - + `i32` implements `Sum<&'a i32>` + `i32` implements `Sum` note: the method call chain might not have had the expected associated types --> $DIR/sum.rs:4:18 | @@ -30,8 +30,8 @@ LL | vec![(), ()].iter().product::(); | = help: the trait `Product<&()>` is not implemented for `i32` = help: the following other types implement trait `Product`: - > - + `i32` implements `Product<&'a i32>` + `i32` implements `Product` note: the method call chain might not have had the expected associated types --> $DIR/sum.rs:7:18 | diff --git a/tests/ui/span/multiline-span-simple.stderr b/tests/ui/span/multiline-span-simple.stderr index 2de792b03d72..2454769863b9 100644 --- a/tests/ui/span/multiline-span-simple.stderr +++ b/tests/ui/span/multiline-span-simple.stderr @@ -6,10 +6,10 @@ LL | foo(1 as u32 + | = help: the trait `Add<()>` is not implemented for `u32` = help: the following other types implement trait `Add`: - <&'a u32 as Add> - <&u32 as Add<&u32>> - > - + `&'a u32` implements `Add` + `&u32` implements `Add<&u32>` + `u32` implements `Add<&u32>` + `u32` implements `Add` error: aborting due to 1 previous error diff --git a/tests/ui/suggestions/into-str.stderr b/tests/ui/suggestions/into-str.stderr index 2fdfab8bdc54..6c1e1ec428fe 100644 --- a/tests/ui/suggestions/into-str.stderr +++ b/tests/ui/suggestions/into-str.stderr @@ -8,12 +8,12 @@ LL | foo(String::new()); | = note: to coerce a `String` into a `&str`, use `&*` as a prefix = help: the following other types implement trait `From`: - > - > - > - >> - >> - > + `String` implements `From<&String>` + `String` implements `From<&mut str>` + `String` implements `From<&str>` + `String` implements `From>` + `String` implements `From>` + `String` implements `From` = note: required for `String` to implement `Into<&str>` note: required by a bound in `foo` --> $DIR/into-str.rs:1:31 diff --git a/tests/ui/suggestions/issue-71394-no-from-impl.stderr b/tests/ui/suggestions/issue-71394-no-from-impl.stderr index e626b5b0eb7c..79f5dcf4b730 100644 --- a/tests/ui/suggestions/issue-71394-no-from-impl.stderr +++ b/tests/ui/suggestions/issue-71394-no-from-impl.stderr @@ -5,14 +5,14 @@ LL | let _: &[i8] = data.into(); | ^^^^ the trait `From<&[u8]>` is not implemented for `&[i8]`, which is required by `&[u8]: Into<_>` | = help: the following other types implement trait `From`: - <[T; 10] as From<(T, T, T, T, T, T, T, T, T, T)>> - <[T; 11] as From<(T, T, T, T, T, T, T, T, T, T, T)>> - <[T; 12] as From<(T, T, T, T, T, T, T, T, T, T, T, T)>> - <[T; 1] as From<(T,)>> - <[T; 2] as From<(T, T)>> - <[T; 3] as From<(T, T, T)>> - <[T; 4] as From<(T, T, T, T)>> - <[T; 5] as From<(T, T, T, T, T)>> + `[T; 10]` implements `From<(T, T, T, T, T, T, T, T, T, T)>` + `[T; 11]` implements `From<(T, T, T, T, T, T, T, T, T, T, T)>` + `[T; 12]` implements `From<(T, T, T, T, T, T, T, T, T, T, T, T)>` + `[T; 1]` implements `From<(T,)>` + `[T; 2]` implements `From<(T, T)>` + `[T; 3]` implements `From<(T, T, T)>` + `[T; 4]` implements `From<(T, T, T, T)>` + `[T; 5]` implements `From<(T, T, T, T, T)>` and 6 others = note: required for `&[u8]` to implement `Into<&[i8]>` diff --git a/tests/ui/traits/inheritance/repeated-supertrait-ambig.stderr b/tests/ui/traits/inheritance/repeated-supertrait-ambig.stderr index 7027fa69e033..6f7c9fa11d4b 100644 --- a/tests/ui/traits/inheritance/repeated-supertrait-ambig.stderr +++ b/tests/ui/traits/inheritance/repeated-supertrait-ambig.stderr @@ -7,8 +7,8 @@ LL | c.same_as(22) | required by a bound introduced by this call | = help: the following other types implement trait `CompareTo`: - > - > + `i64` implements `CompareTo` + `i64` implements `CompareTo` error[E0277]: the trait bound `C: CompareTo` is not satisfied --> $DIR/repeated-supertrait-ambig.rs:30:15 @@ -30,8 +30,8 @@ LL | ::same_as(c, 22) | ^^^^^^^^^^^^^^^^^ the trait `CompareTo` is not implemented for `dyn CompareToInts` | = help: the following other types implement trait `CompareTo`: - > - > + `i64` implements `CompareTo` + `i64` implements `CompareTo` error[E0277]: the trait bound `C: CompareTo` is not satisfied --> $DIR/repeated-supertrait-ambig.rs:38:27 @@ -55,8 +55,8 @@ LL | assert_eq!(22_i64.same_as(22), true); | required by a bound introduced by this call | = help: the following other types implement trait `CompareTo`: - > - > + `i64` implements `CompareTo` + `i64` implements `CompareTo` error: aborting due to 5 previous errors diff --git a/tests/ui/traits/next-solver/unevaluated-const-impl-trait-ref.fails.stderr b/tests/ui/traits/next-solver/unevaluated-const-impl-trait-ref.fails.stderr index 4be90c702a03..efdc9f8fc9f7 100644 --- a/tests/ui/traits/next-solver/unevaluated-const-impl-trait-ref.fails.stderr +++ b/tests/ui/traits/next-solver/unevaluated-const-impl-trait-ref.fails.stderr @@ -5,8 +5,8 @@ LL | needs::<1>(); | ^ the trait `Trait<1>` is not implemented for `()` | = help: the following other types implement trait `Trait`: - <() as Trait<0>> - <() as Trait<2>> + `()` implements `Trait<0>` + `()` implements `Trait<2>` note: required by a bound in `needs` --> $DIR/unevaluated-const-impl-trait-ref.rs:10:38 | diff --git a/tests/ui/traits/question-mark-result-err-mismatch.stderr b/tests/ui/traits/question-mark-result-err-mismatch.stderr index 8a6c5fc10c5f..66276bcbe3bb 100644 --- a/tests/ui/traits/question-mark-result-err-mismatch.stderr +++ b/tests/ui/traits/question-mark-result-err-mismatch.stderr @@ -31,12 +31,12 @@ LL | .map_err(|_| ())?; | = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait = help: the following other types implement trait `From`: - > - > - > - >> - >> - > + `String` implements `From<&String>` + `String` implements `From<&mut str>` + `String` implements `From<&str>` + `String` implements `From>` + `String` implements `From>` + `String` implements `From` = note: required for `Result<(), String>` to implement `FromResidual>` error[E0277]: `?` couldn't convert the error to `String` diff --git a/tests/ui/try-trait/bad-interconversion.stderr b/tests/ui/try-trait/bad-interconversion.stderr index e3edec6a4c76..c30b6334fed6 100644 --- a/tests/ui/try-trait/bad-interconversion.stderr +++ b/tests/ui/try-trait/bad-interconversion.stderr @@ -10,8 +10,8 @@ LL | Ok(Err(123_i32)?) | = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait = help: the following other types implement trait `From`: - > - > + `u8` implements `From` + `u8` implements `From` = note: required for `Result` to implement `FromResidual>` error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a function that returns `Result` @@ -24,8 +24,8 @@ LL | Some(3)?; | = help: the trait `FromResidual>` is not implemented for `Result` = help: the following other types implement trait `FromResidual`: - as FromResidual>> - as FromResidual>> + `Result` implements `FromResidual>` + `Result` implements `FromResidual>` error[E0277]: the `?` operator can only be used on `Result`s in a function that returns `Result` --> $DIR/bad-interconversion.rs:17:31 @@ -37,8 +37,8 @@ LL | Ok(ControlFlow::Break(123)?) | = help: the trait `FromResidual>` is not implemented for `Result` = help: the following other types implement trait `FromResidual`: - as FromResidual>> - as FromResidual>> + `Result` implements `FromResidual>` + `Result` implements `FromResidual>` error[E0277]: the `?` operator can only be used on `Option`s, not `Result`s, in a function that returns `Option` --> $DIR/bad-interconversion.rs:22:22 @@ -50,8 +50,8 @@ LL | Some(Err("hello")?) | = help: the trait `FromResidual>` is not implemented for `Option` = help: the following other types implement trait `FromResidual`: - as FromResidual>> - as FromResidual> + `Option` implements `FromResidual>` + `Option` implements `FromResidual` error[E0277]: the `?` operator can only be used on `Option`s in a function that returns `Option` --> $DIR/bad-interconversion.rs:27:33 @@ -63,8 +63,8 @@ LL | Some(ControlFlow::Break(123)?) | = help: the trait `FromResidual>` is not implemented for `Option` = help: the following other types implement trait `FromResidual`: - as FromResidual>> - as FromResidual> + `Option` implements `FromResidual>` + `Option` implements `FromResidual` error[E0277]: the `?` operator can only be used on `ControlFlow`s in a function that returns `ControlFlow` --> $DIR/bad-interconversion.rs:32:39 diff --git a/tests/ui/try-trait/issue-32709.stderr b/tests/ui/try-trait/issue-32709.stderr index a0dd18fa039c..9b77f578437c 100644 --- a/tests/ui/try-trait/issue-32709.stderr +++ b/tests/ui/try-trait/issue-32709.stderr @@ -10,14 +10,14 @@ LL | Err(5)?; | = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait = help: the following other types implement trait `From`: - <(T, T) as From<[T; 2]>> - <(T, T, T) as From<[T; 3]>> - <(T, T, T, T) as From<[T; 4]>> - <(T, T, T, T, T) as From<[T; 5]>> - <(T, T, T, T, T, T) as From<[T; 6]>> - <(T, T, T, T, T, T, T) as From<[T; 7]>> - <(T, T, T, T, T, T, T, T) as From<[T; 8]>> - <(T, T, T, T, T, T, T, T, T) as From<[T; 9]>> + `(T, T)` implements `From<[T; 2]>` + `(T, T, T)` implements `From<[T; 3]>` + `(T, T, T, T)` implements `From<[T; 4]>` + `(T, T, T, T, T)` implements `From<[T; 5]>` + `(T, T, T, T, T, T)` implements `From<[T; 6]>` + `(T, T, T, T, T, T, T)` implements `From<[T; 7]>` + `(T, T, T, T, T, T, T, T)` implements `From<[T; 8]>` + `(T, T, T, T, T, T, T, T, T)` implements `From<[T; 9]>` and 4 others = note: required for `Result` to implement `FromResidual>` diff --git a/tests/ui/try-trait/option-to-result.stderr b/tests/ui/try-trait/option-to-result.stderr index fabc1ff2c762..2d97226275d2 100644 --- a/tests/ui/try-trait/option-to-result.stderr +++ b/tests/ui/try-trait/option-to-result.stderr @@ -9,8 +9,8 @@ LL | a?; | = help: the trait `FromResidual>` is not implemented for `Result<(), ()>` = help: the following other types implement trait `FromResidual`: - as FromResidual>> - as FromResidual>> + `Result` implements `FromResidual>` + `Result` implements `FromResidual>` error[E0277]: the `?` operator can only be used on `Option`s, not `Result`s, in a function that returns `Option` --> $DIR/option-to-result.rs:11:6 @@ -23,8 +23,8 @@ LL | a?; | = help: the trait `FromResidual>` is not implemented for `Option` = help: the following other types implement trait `FromResidual`: - as FromResidual>> - as FromResidual> + `Option` implements `FromResidual>` + `Option` implements `FromResidual` error: aborting due to 2 previous errors diff --git a/tests/ui/try-trait/try-on-option.stderr b/tests/ui/try-trait/try-on-option.stderr index fad6a1fe8237..84a51a078af1 100644 --- a/tests/ui/try-trait/try-on-option.stderr +++ b/tests/ui/try-trait/try-on-option.stderr @@ -9,8 +9,8 @@ LL | x?; | = help: the trait `FromResidual>` is not implemented for `Result` = help: the following other types implement trait `FromResidual`: - as FromResidual>> - as FromResidual>> + `Result` implements `FromResidual>` + `Result` implements `FromResidual>` error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) --> $DIR/try-on-option.rs:11:6 diff --git a/tests/ui/type-alias-impl-trait/constrain_in_projection2.current.stderr b/tests/ui/type-alias-impl-trait/constrain_in_projection2.current.stderr index 69df5c77f9de..909f1f6d61cb 100644 --- a/tests/ui/type-alias-impl-trait/constrain_in_projection2.current.stderr +++ b/tests/ui/type-alias-impl-trait/constrain_in_projection2.current.stderr @@ -5,8 +5,8 @@ LL | let x = >::Assoc::default(); | ^^^ the trait `Trait` is not implemented for `Foo` | = help: the following other types implement trait `Trait`: - > - > + `Foo` implements `Trait<()>` + `Foo` implements `Trait` error: aborting due to 1 previous error diff --git a/tests/ui/type-alias-impl-trait/nested-tait-inference2.current.stderr b/tests/ui/type-alias-impl-trait/nested-tait-inference2.current.stderr index 614bc09872f8..9da3926ac708 100644 --- a/tests/ui/type-alias-impl-trait/nested-tait-inference2.current.stderr +++ b/tests/ui/type-alias-impl-trait/nested-tait-inference2.current.stderr @@ -8,8 +8,8 @@ LL | () | -- return type was inferred to be `()` here | = help: the following other types implement trait `Foo`: - <() as Foo<()>> - <() as Foo> + `()` implements `Foo<()>` + `()` implements `Foo` error: aborting due to 1 previous error diff --git a/tests/ui/type/type-check-defaults.stderr b/tests/ui/type/type-check-defaults.stderr index 9ba63ffe9c93..499e8142cc8f 100644 --- a/tests/ui/type/type-check-defaults.stderr +++ b/tests/ui/type/type-check-defaults.stderr @@ -66,10 +66,10 @@ LL | trait ProjectionPred> where T::Item : Add {} | = help: the trait `Add` is not implemented for `i32` = help: the following other types implement trait `Add`: - <&'a i32 as Add> - <&i32 as Add<&i32>> - > - + `&'a i32` implements `Add` + `&i32` implements `Add<&i32>` + `i32` implements `Add<&i32>` + `i32` implements `Add` error: aborting due to 7 previous errors diff --git a/tests/ui/typeck/issue-81293.stderr b/tests/ui/typeck/issue-81293.stderr index 6976be71135c..3c48db335b5f 100644 --- a/tests/ui/typeck/issue-81293.stderr +++ b/tests/ui/typeck/issue-81293.stderr @@ -21,10 +21,10 @@ LL | a = c + b * 5; | = help: the trait `Add` is not implemented for `usize` = help: the following other types implement trait `Add`: - <&'a usize as Add> - <&usize as Add<&usize>> - > - + `&'a usize` implements `Add` + `&usize` implements `Add<&usize>` + `usize` implements `Add<&usize>` + `usize` implements `Add` error: aborting due to 3 previous errors diff --git a/tests/ui/typeck/issue-90101.stderr b/tests/ui/typeck/issue-90101.stderr index 800d7e9594a2..d6832d1b34ff 100644 --- a/tests/ui/typeck/issue-90101.stderr +++ b/tests/ui/typeck/issue-90101.stderr @@ -7,11 +7,11 @@ LL | func(Path::new("hello").to_path_buf().to_string_lossy(), "world") | required by a bound introduced by this call | = help: the following other types implement trait `From`: - > - >> - >> - > - > + `PathBuf` implements `From<&T>` + `PathBuf` implements `From>` + `PathBuf` implements `From>` + `PathBuf` implements `From` + `PathBuf` implements `From` = note: required for `Cow<'_, str>` to implement `Into` note: required by a bound in `func` --> $DIR/issue-90101.rs:3:20 diff --git a/tests/ui/ufcs/ufcs-qpath-self-mismatch.stderr b/tests/ui/ufcs/ufcs-qpath-self-mismatch.stderr index 964fd4af0092..5b8a49d22c73 100644 --- a/tests/ui/ufcs/ufcs-qpath-self-mismatch.stderr +++ b/tests/ui/ufcs/ufcs-qpath-self-mismatch.stderr @@ -6,10 +6,10 @@ LL | >::add(1, 2); | = help: the trait `Add` is not implemented for `i32` = help: the following other types implement trait `Add`: - <&'a i32 as Add> - <&i32 as Add<&i32>> - > - + `&'a i32` implements `Add` + `&i32` implements `Add<&i32>` + `i32` implements `Add<&i32>` + `i32` implements `Add` error[E0277]: cannot add `u32` to `i32` --> $DIR/ufcs-qpath-self-mismatch.rs:4:5 @@ -19,10 +19,10 @@ LL | >::add(1, 2); | = help: the trait `Add` is not implemented for `i32` = help: the following other types implement trait `Add`: - <&'a i32 as Add> - <&i32 as Add<&i32>> - > - + `&'a i32` implements `Add` + `&i32` implements `Add<&i32>` + `i32` implements `Add<&i32>` + `i32` implements `Add` error[E0308]: mismatched types --> $DIR/ufcs-qpath-self-mismatch.rs:7:28 From dc6def3042074f38e7c6bdaba3038fb2b1f0e2aa Mon Sep 17 00:00:00 2001 From: Zalathar Date: Tue, 11 Jun 2024 22:13:40 +1000 Subject: [PATCH 1391/1716] coverage: Add `tests/coverage/assert-ne.rs` This test extracts a fragment of `issue-84561.rs` that has historically proven troublesome when trying to modify how spans are extracted from MIR. --- tests/coverage/assert-ne.cov-map | 13 +++++++++++++ tests/coverage/assert-ne.coverage | 23 +++++++++++++++++++++++ tests/coverage/assert-ne.rs | 22 ++++++++++++++++++++++ 3 files changed, 58 insertions(+) create mode 100644 tests/coverage/assert-ne.cov-map create mode 100644 tests/coverage/assert-ne.coverage create mode 100644 tests/coverage/assert-ne.rs diff --git a/tests/coverage/assert-ne.cov-map b/tests/coverage/assert-ne.cov-map new file mode 100644 index 000000000000..6d9906fd7f57 --- /dev/null +++ b/tests/coverage/assert-ne.cov-map @@ -0,0 +1,13 @@ +Function name: assert_ne::main +Raw bytes (26): 0x[01, 01, 01, 01, 05, 04, 01, 08, 01, 03, 1c, 05, 04, 0d, 00, 13, 02, 02, 0d, 00, 13, 09, 03, 05, 01, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 1 +- expression 0 operands: lhs = Counter(0), rhs = Counter(1) +Number of file 0 mappings: 4 +- Code(Counter(0)) at (prev + 8, 1) to (start + 3, 28) +- Code(Counter(1)) at (prev + 4, 13) to (start + 0, 19) +- Code(Expression(0, Sub)) at (prev + 2, 13) to (start + 0, 19) + = (c0 - c1) +- Code(Counter(2)) at (prev + 3, 5) to (start + 1, 2) + diff --git a/tests/coverage/assert-ne.coverage b/tests/coverage/assert-ne.coverage new file mode 100644 index 000000000000..236a8fd13858 --- /dev/null +++ b/tests/coverage/assert-ne.coverage @@ -0,0 +1,23 @@ + LL| |//@ edition: 2021 + LL| | + LL| |use core::hint::black_box; + LL| | + LL| |#[derive(Debug, PartialEq)] + LL| |struct Foo(u32); + LL| | + LL| 1|fn main() { + LL| 1| assert_ne!( + LL| 1| Foo(5), // Make sure this expression's span isn't lost. + LL| 1| if black_box(false) { + LL| 0| Foo(0) // + LL| | } else { + LL| 1| Foo(1) // + LL| | } + LL| | ); + LL| 1| () + LL| 1|} + LL| | + LL| |// This test is a short fragment extracted from `issue-84561.rs`, highlighting + LL| |// a particular span of code that can easily be lost if overlapping spans are + LL| |// processed incorrectly. + diff --git a/tests/coverage/assert-ne.rs b/tests/coverage/assert-ne.rs new file mode 100644 index 000000000000..8a8fe0898048 --- /dev/null +++ b/tests/coverage/assert-ne.rs @@ -0,0 +1,22 @@ +//@ edition: 2021 + +use core::hint::black_box; + +#[derive(Debug, PartialEq)] +struct Foo(u32); + +fn main() { + assert_ne!( + Foo(5), // Make sure this expression's span isn't lost. + if black_box(false) { + Foo(0) // + } else { + Foo(1) // + } + ); + () +} + +// This test is a short fragment extracted from `issue-84561.rs`, highlighting +// a particular span of code that can easily be lost if overlapping spans are +// processed incorrectly. From 0bfdb8d33dd89099fc2b573d3df4c2347ffa2dbb Mon Sep 17 00:00:00 2001 From: Zalathar Date: Wed, 12 Jun 2024 22:48:11 +1000 Subject: [PATCH 1392/1716] coverage: Add `tests/coverage/loop-break.rs` This is a modified copy of `tests/mir-opt/coverage/instrument_coverage.rs`. --- tests/coverage/loop-break.cov-map | 14 ++++++++++++++ tests/coverage/loop-break.coverage | 14 ++++++++++++++ tests/coverage/loop-break.rs | 13 +++++++++++++ 3 files changed, 41 insertions(+) create mode 100644 tests/coverage/loop-break.cov-map create mode 100644 tests/coverage/loop-break.coverage create mode 100644 tests/coverage/loop-break.rs diff --git a/tests/coverage/loop-break.cov-map b/tests/coverage/loop-break.cov-map new file mode 100644 index 000000000000..98df0fdab6b9 --- /dev/null +++ b/tests/coverage/loop-break.cov-map @@ -0,0 +1,14 @@ +Function name: loop_break::main +Raw bytes (31): 0x[01, 01, 01, 01, 05, 05, 01, 03, 01, 00, 0b, 03, 01, 05, 01, 27, 01, 02, 0d, 00, 12, 05, 01, 0a, 00, 0b, 01, 02, 01, 00, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 1 +- expression 0 operands: lhs = Counter(0), rhs = Counter(1) +Number of file 0 mappings: 5 +- Code(Counter(0)) at (prev + 3, 1) to (start + 0, 11) +- Code(Expression(0, Add)) at (prev + 1, 5) to (start + 1, 39) + = (c0 + c1) +- Code(Counter(0)) at (prev + 2, 13) to (start + 0, 18) +- Code(Counter(1)) at (prev + 1, 10) to (start + 0, 11) +- Code(Counter(0)) at (prev + 2, 1) to (start + 0, 2) + diff --git a/tests/coverage/loop-break.coverage b/tests/coverage/loop-break.coverage new file mode 100644 index 000000000000..cea7dee83f10 --- /dev/null +++ b/tests/coverage/loop-break.coverage @@ -0,0 +1,14 @@ + LL| |//@ edition: 2021 + LL| | + LL| 1|fn main() { + LL| 1| loop { + LL| 1| if core::hint::black_box(true) { + LL| 1| break; + LL| 0| } + LL| | } + LL| 1|} + LL| | + LL| |// This test is a lightly-modified version of `tests/mir-opt/coverage/instrument_coverage.rs`. + LL| |// If this test needs to be blessed, then the mir-opt version probably needs to + LL| |// be blessed too! + diff --git a/tests/coverage/loop-break.rs b/tests/coverage/loop-break.rs new file mode 100644 index 000000000000..9a842225e833 --- /dev/null +++ b/tests/coverage/loop-break.rs @@ -0,0 +1,13 @@ +//@ edition: 2021 + +fn main() { + loop { + if core::hint::black_box(true) { + break; + } + } +} + +// This test is a lightly-modified version of `tests/mir-opt/coverage/instrument_coverage.rs`. +// If this test needs to be blessed, then the mir-opt version probably needs to +// be blessed too! From 4d72c42ddf05def4ade2bbe38712ebc8a1f2dcf4 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Wed, 12 Jun 2024 12:54:32 +0000 Subject: [PATCH 1393/1716] Eagerly emit the diagnostic instead of leaving it to all callers --- compiler/rustc_hir_typeck/src/expr.rs | 5 +-- .../rustc_hir_typeck/src/fn_ctxt/_impl.rs | 3 +- .../rustc_hir_typeck/src/method/suggest.rs | 32 +++++++++++-------- 3 files changed, 21 insertions(+), 19 deletions(-) diff --git a/compiler/rustc_hir_typeck/src/expr.rs b/compiler/rustc_hir_typeck/src/expr.rs index cf2bf0d8f8b9..3321f029c8d8 100644 --- a/compiler/rustc_hir_typeck/src/expr.rs +++ b/compiler/rustc_hir_typeck/src/expr.rs @@ -1345,10 +1345,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { if segment.ident.name == kw::Empty { span_bug!(rcvr.span, "empty method name") } else { - match self.report_method_error(expr.hir_id, rcvr_t, error, expected, false) { - Ok(diag) => Err(diag.emit()), - Err(guar) => Err(guar), - } + Err(self.report_method_error(expr.hir_id, rcvr_t, error, expected, false)) } } }; diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs index 421ed9954e05..2b32a93bbbec 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs @@ -852,8 +852,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { error, Expectation::NoExpectation, trait_missing_method && span.edition().at_least_rust_2021(), // emits missing method for trait only after edition 2021 - )? - .emit(); + ); } result diff --git a/compiler/rustc_hir_typeck/src/method/suggest.rs b/compiler/rustc_hir_typeck/src/method/suggest.rs index 4e2b36f2d9e0..bffefe362561 100644 --- a/compiler/rustc_hir_typeck/src/method/suggest.rs +++ b/compiler/rustc_hir_typeck/src/method/suggest.rs @@ -192,7 +192,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { error: MethodError<'tcx>, expected: Expectation<'tcx>, trait_missing_method: bool, - ) -> Result, ErrorGuaranteed> { + ) -> ErrorGuaranteed { let (span, sugg_span, source, item_name, args) = match self.tcx.hir_node(call_id) { hir::Node::Expr(&hir::Expr { kind: hir::ExprKind::MethodCall(segment, rcvr, args, _), @@ -226,7 +226,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { }; // Avoid suggestions when we don't know what's going on. - rcvr_ty.error_reported()?; + if let Err(guar) = rcvr_ty.error_reported() { + return guar; + } match error { MethodError::NoMatch(mut no_match_data) => { @@ -263,7 +265,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { &mut sources, Some(sugg_span), ); - return Err(err.emit()); + return err.emit(); } MethodError::PrivateMatch(kind, def_id, out_of_scope_traits) => { @@ -284,7 +286,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { .unwrap_or_else(|| self.tcx.def_span(def_id)); err.span_label(sp, format!("private {kind} defined here")); self.suggest_valid_traits(&mut err, item_name, out_of_scope_traits, true); - return Err(err.emit()); + return err.emit(); } MethodError::IllegalSizedBound { candidates, needs_mut, bound_span, self_expr } => { @@ -341,7 +343,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } } } - return Err(err.emit()); + return err.emit(); } MethodError::BadReturnType => bug!("no return type expectations but got BadReturnType"), @@ -561,7 +563,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } } - pub fn report_no_match_method_error( + fn report_no_match_method_error( &self, mut span: Span, rcvr_ty: Ty<'tcx>, @@ -573,7 +575,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { no_match_data: &mut NoMatchData<'tcx>, expected: Expectation<'tcx>, trait_missing_method: bool, - ) -> Result, ErrorGuaranteed> { + ) -> ErrorGuaranteed { let mode = no_match_data.mode; let tcx = self.tcx; let rcvr_ty = self.resolve_vars_if_possible(rcvr_ty); @@ -605,15 +607,17 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // We could pass the file for long types into these two, but it isn't strictly necessary // given how targeted they are. - self.suggest_wrapping_range_with_parens( + if let Err(guar) = self.suggest_wrapping_range_with_parens( tcx, rcvr_ty, source, span, item_name, &short_ty_str, - )?; - self.suggest_constraining_numerical_ty( + ) { + return guar; + } + if let Err(guar) = self.suggest_constraining_numerical_ty( tcx, rcvr_ty, source, @@ -621,7 +625,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { item_kind, item_name, &short_ty_str, - )?; + ) { + return guar; + } span = item_name.span; // Don't show generic arguments when the method can't be found in any implementation (#81576). @@ -877,7 +883,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { vec![(span.shrink_to_lo(), format!("into_iter()."))], Applicability::MaybeIncorrect, ); - return Ok(err); + return err.emit(); } else if !unsatisfied_predicates.is_empty() && matches!(rcvr_ty.kind(), ty::Param(_)) { // We special case the situation where we are looking for `_` in // `::method` because otherwise the machinery will look for blanket @@ -1602,7 +1608,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } self.note_derefed_ty_has_method(&mut err, source, rcvr_ty, item_name, expected); - Ok(err) + err.emit() } /// If an appropriate error source is not found, check method chain for possible candidates From 9065889ee639d8dd7c0dd098fee82a867e471be7 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Wed, 12 Jun 2024 12:56:56 +0000 Subject: [PATCH 1394/1716] Rename some functions --- compiler/rustc_hir_typeck/src/method/suggest.rs | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/compiler/rustc_hir_typeck/src/method/suggest.rs b/compiler/rustc_hir_typeck/src/method/suggest.rs index bffefe362561..28d738c11c8f 100644 --- a/compiler/rustc_hir_typeck/src/method/suggest.rs +++ b/compiler/rustc_hir_typeck/src/method/suggest.rs @@ -607,7 +607,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // We could pass the file for long types into these two, but it isn't strictly necessary // given how targeted they are. - if let Err(guar) = self.suggest_wrapping_range_with_parens( + if let Err(guar) = self.report_failed_method_call_on_range_end( tcx, rcvr_ty, source, @@ -617,7 +617,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ) { return guar; } - if let Err(guar) = self.suggest_constraining_numerical_ty( + if let Err(guar) = self.report_failed_method_call_on_numerical_infer_var( tcx, rcvr_ty, source, @@ -2253,7 +2253,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { /// Suggest possible range with adding parentheses, for example: /// when encountering `0..1.map(|i| i + 1)` suggest `(0..1).map(|i| i + 1)`. - fn suggest_wrapping_range_with_parens( + fn report_failed_method_call_on_range_end( &self, tcx: TyCtxt<'tcx>, actual: Ty<'tcx>, @@ -2335,7 +2335,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { Ok(()) } - fn suggest_constraining_numerical_ty( + fn report_failed_method_call_on_numerical_infer_var( &self, tcx: TyCtxt<'tcx>, actual: Ty<'tcx>, From 2fa78f3a2a87a7522d3c95bd9c53aaeede63996e Mon Sep 17 00:00:00 2001 From: Zalathar Date: Mon, 10 Jun 2024 01:33:33 +1000 Subject: [PATCH 1395/1716] coverage: Replace the old span refiner with a single function As more and more of the span refiner's functionality has been pulled out into separate early passes, it has finally reached the point where we can remove the rest of the old `SpansRefiner` code, and replace it with a single modestly-sized function. --- .../rustc_mir_transform/src/coverage/spans.rs | 237 +++--------------- tests/coverage/loop-break.cov-map | 6 +- tests/coverage/loop-break.coverage | 2 +- ...ment_coverage.main.InstrumentCoverage.diff | 2 +- 4 files changed, 40 insertions(+), 207 deletions(-) diff --git a/compiler/rustc_mir_transform/src/coverage/spans.rs b/compiler/rustc_mir_transform/src/coverage/spans.rs index 743f1cc24bee..bb6a666ff73b 100644 --- a/compiler/rustc_mir_transform/src/coverage/spans.rs +++ b/compiler/rustc_mir_transform/src/coverage/spans.rs @@ -1,6 +1,5 @@ -use rustc_middle::bug; use rustc_middle::mir; -use rustc_span::{BytePos, Span}; +use rustc_span::Span; use crate::coverage::graph::{BasicCoverageBlock, CoverageGraph}; use crate::coverage::mappings; @@ -23,7 +22,7 @@ pub(super) fn extract_refined_covspans( let sorted_span_buckets = from_mir::mir_to_initial_sorted_coverage_spans(mir_body, hir_info, basic_coverage_blocks); for bucket in sorted_span_buckets { - let refined_spans = SpansRefiner::refine_sorted_spans(bucket); + let refined_spans = refine_sorted_spans(bucket); code_mappings.extend(refined_spans.into_iter().map(|RefinedCovspan { span, bcb }| { // Each span produced by the refiner represents an ordinary code region. mappings::CodeMapping { span, bcb } @@ -31,58 +30,6 @@ pub(super) fn extract_refined_covspans( } } -#[derive(Debug)] -struct CurrCovspan { - span: Span, - bcb: BasicCoverageBlock, -} - -impl CurrCovspan { - fn new(span: Span, bcb: BasicCoverageBlock) -> Self { - Self { span, bcb } - } - - fn into_prev(self) -> PrevCovspan { - let Self { span, bcb } = self; - PrevCovspan { span, bcb, merged_spans: vec![span] } - } -} - -#[derive(Debug)] -struct PrevCovspan { - span: Span, - bcb: BasicCoverageBlock, - /// List of all the original spans from MIR that have been merged into this - /// span. Mainly used to precisely skip over gaps when truncating a span. - merged_spans: Vec, -} - -impl PrevCovspan { - fn is_mergeable(&self, other: &CurrCovspan) -> bool { - self.bcb == other.bcb - } - - fn merge_from(&mut self, other: &CurrCovspan) { - debug_assert!(self.is_mergeable(other)); - self.span = self.span.to(other.span); - self.merged_spans.push(other.span); - } - - fn cutoff_statements_at(mut self, cutoff_pos: BytePos) -> Option { - self.merged_spans.retain(|span| span.hi() <= cutoff_pos); - if let Some(max_hi) = self.merged_spans.iter().map(|span| span.hi()).max() { - self.span = self.span.with_hi(max_hi); - } - - if self.merged_spans.is_empty() { None } else { Some(self.into_refined()) } - } - - fn into_refined(self) -> RefinedCovspan { - let Self { span, bcb, merged_spans: _ } = self; - RefinedCovspan { span, bcb } - } -} - #[derive(Debug)] struct RefinedCovspan { span: Span, @@ -100,164 +47,50 @@ impl RefinedCovspan { } } -/// Converts the initial set of coverage spans (one per MIR `Statement` or `Terminator`) into a -/// minimal set of coverage spans, using the BCB CFG to determine where it is safe and useful to: -/// -/// * Remove duplicate source code coverage regions -/// * Merge spans that represent continuous (both in source code and control flow), non-branching -/// execution -struct SpansRefiner { - /// The initial set of coverage spans, sorted by `Span` (`lo` and `hi`) and by relative - /// dominance between the `BasicCoverageBlock`s of equal `Span`s. - sorted_spans_iter: std::vec::IntoIter, +/// Takes one of the buckets of (sorted) spans extracted from MIR, and "refines" +/// those spans by removing spans that overlap in unwanted ways, and by merging +/// compatible adjacent spans. +#[instrument(level = "debug")] +fn refine_sorted_spans(sorted_spans: Vec) -> Vec { + // Holds spans that have been read from the input vector, but haven't yet + // been committed to the output vector. + let mut pending = vec![]; + let mut refined = vec![]; - /// The current coverage span to compare to its `prev`, to possibly merge, discard, - /// or cause `prev` to be modified or discarded. - /// If `curr` is not discarded or merged, it becomes `prev` for the next iteration. - some_curr: Option, - - /// The coverage span from a prior iteration; typically assigned from that iteration's `curr`. - /// If that `curr` was discarded, `prev` retains its value from the previous iteration. - some_prev: Option, - - /// The final coverage spans to add to the coverage map. A `Counter` or `Expression` - /// will also be injected into the MIR for each BCB that has associated spans. - refined_spans: Vec, -} - -impl SpansRefiner { - /// Takes the initial list of (sorted) spans extracted from MIR, and "refines" - /// them by merging compatible adjacent spans, removing redundant spans, - /// and carving holes in spans when they overlap in unwanted ways. - fn refine_sorted_spans(sorted_spans: Vec) -> Vec { - let sorted_spans_len = sorted_spans.len(); - let this = Self { - sorted_spans_iter: sorted_spans.into_iter(), - some_curr: None, - some_prev: None, - refined_spans: Vec::with_capacity(sorted_spans_len), - }; - - this.to_refined_spans() - } - - /// Iterate through the sorted coverage spans, and return the refined list of merged and - /// de-duplicated spans. - fn to_refined_spans(mut self) -> Vec { - while self.next_coverage_span() { - // For the first span we don't have `prev` set, so most of the - // span-processing steps don't make sense yet. - if self.some_prev.is_none() { - debug!(" initial span"); - continue; - } - - // The remaining cases assume that `prev` and `curr` are set. - let prev = self.prev(); - let curr = self.curr(); - - if prev.is_mergeable(curr) { - debug!(?prev, "curr will be merged into prev"); - let curr = self.take_curr(); - self.prev_mut().merge_from(&curr); - } else if prev.span.hi() <= curr.span.lo() { - debug!( - " different bcbs and disjoint spans, so keep curr for next iter, and add prev={prev:?}", - ); - let prev = self.take_prev().into_refined(); - self.refined_spans.push(prev); - } else { - self.cutoff_prev_at_overlapping_curr(); - } - } - - // There is usually a final span remaining in `prev` after the loop ends, - // so add it to the output as well. - if let Some(prev) = self.some_prev.take() { - debug!(" AT END, adding last prev={prev:?}"); - self.refined_spans.push(prev.into_refined()); - } - - // Do one last merge pass, to simplify the output. - self.refined_spans.dedup_by(|b, a| { - if a.is_mergeable(b) { - debug!(?a, ?b, "merging list-adjacent refined spans"); - a.merge_from(b); - true - } else { + for curr in sorted_spans { + pending.retain(|prev: &SpanFromMir| { + if prev.span.hi() <= curr.span.lo() { + // There's no overlap between the previous/current covspans, + // so move the previous one into the refined list. + refined.push(RefinedCovspan { span: prev.span, bcb: prev.bcb }); false + } else { + // Otherwise, retain the previous covspan only if it has the + // same BCB. This tends to discard long outer spans that enclose + // smaller inner spans with different control flow. + prev.bcb == curr.bcb } }); - - self.refined_spans + pending.push(curr); } - #[track_caller] - fn curr(&self) -> &CurrCovspan { - self.some_curr.as_ref().unwrap_or_else(|| bug!("some_curr is None (curr)")) + // Drain the rest of the pending list into the refined list. + for prev in pending { + refined.push(RefinedCovspan { span: prev.span, bcb: prev.bcb }); } - /// If called, then the next call to `next_coverage_span()` will *not* update `prev` with the - /// `curr` coverage span. - #[track_caller] - fn take_curr(&mut self) -> CurrCovspan { - self.some_curr.take().unwrap_or_else(|| bug!("some_curr is None (take_curr)")) - } - - #[track_caller] - fn prev(&self) -> &PrevCovspan { - self.some_prev.as_ref().unwrap_or_else(|| bug!("some_prev is None (prev)")) - } - - #[track_caller] - fn prev_mut(&mut self) -> &mut PrevCovspan { - self.some_prev.as_mut().unwrap_or_else(|| bug!("some_prev is None (prev_mut)")) - } - - #[track_caller] - fn take_prev(&mut self) -> PrevCovspan { - self.some_prev.take().unwrap_or_else(|| bug!("some_prev is None (take_prev)")) - } - - /// Advance `prev` to `curr` (if any), and `curr` to the next coverage span in sorted order. - fn next_coverage_span(&mut self) -> bool { - if let Some(curr) = self.some_curr.take() { - self.some_prev = Some(curr.into_prev()); - } - if let Some(SpanFromMir { span, bcb, .. }) = self.sorted_spans_iter.next() { - // This code only sees sorted spans after hole-carving, so there should - // be no way for `curr` to start before `prev`. - if let Some(prev) = &self.some_prev { - debug_assert!(prev.span.lo() <= span.lo()); - } - self.some_curr = Some(CurrCovspan::new(span, bcb)); - debug!(?self.some_prev, ?self.some_curr, "next_coverage_span"); + // Do one last merge pass, to simplify the output. + debug!(?refined, "before merge"); + refined.dedup_by(|b, a| { + if a.is_mergeable(b) { + debug!(?a, ?b, "merging list-adjacent refined spans"); + a.merge_from(b); true } else { false } - } + }); + debug!(?refined, "after merge"); - /// `curr` overlaps `prev`. If `prev`s span extends left of `curr`s span, keep _only_ - /// statements that end before `curr.lo()` (if any), and add the portion of the - /// combined span for those statements. Any other statements have overlapping spans - /// that can be ignored because `curr` and/or other upcoming statements/spans inside - /// the overlap area will produce their own counters. This disambiguation process - /// avoids injecting multiple counters for overlapping spans, and the potential for - /// double-counting. - fn cutoff_prev_at_overlapping_curr(&mut self) { - debug!( - " different bcbs, overlapping spans, so ignore/drop pending and only add prev \ - if it has statements that end before curr; prev={:?}", - self.prev() - ); - - let curr_span = self.curr().span; - if let Some(prev) = self.take_prev().cutoff_statements_at(curr_span.lo()) { - debug!("after cutoff, adding {prev:?}"); - self.refined_spans.push(prev); - } else { - debug!("prev was eliminated by cutoff"); - } - } + refined } diff --git a/tests/coverage/loop-break.cov-map b/tests/coverage/loop-break.cov-map index 98df0fdab6b9..890d5d84539e 100644 --- a/tests/coverage/loop-break.cov-map +++ b/tests/coverage/loop-break.cov-map @@ -1,14 +1,14 @@ Function name: loop_break::main -Raw bytes (31): 0x[01, 01, 01, 01, 05, 05, 01, 03, 01, 00, 0b, 03, 01, 05, 01, 27, 01, 02, 0d, 00, 12, 05, 01, 0a, 00, 0b, 01, 02, 01, 00, 02] +Raw bytes (31): 0x[01, 01, 01, 01, 05, 05, 01, 03, 01, 00, 0b, 03, 02, 0c, 00, 27, 01, 01, 0d, 00, 12, 05, 01, 0a, 00, 0b, 01, 02, 01, 00, 02] Number of files: 1 - file 0 => global file 1 Number of expressions: 1 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) Number of file 0 mappings: 5 - Code(Counter(0)) at (prev + 3, 1) to (start + 0, 11) -- Code(Expression(0, Add)) at (prev + 1, 5) to (start + 1, 39) +- Code(Expression(0, Add)) at (prev + 2, 12) to (start + 0, 39) = (c0 + c1) -- Code(Counter(0)) at (prev + 2, 13) to (start + 0, 18) +- Code(Counter(0)) at (prev + 1, 13) to (start + 0, 18) - Code(Counter(1)) at (prev + 1, 10) to (start + 0, 11) - Code(Counter(0)) at (prev + 2, 1) to (start + 0, 2) diff --git a/tests/coverage/loop-break.coverage b/tests/coverage/loop-break.coverage index cea7dee83f10..1b7c64fb68d5 100644 --- a/tests/coverage/loop-break.coverage +++ b/tests/coverage/loop-break.coverage @@ -1,7 +1,7 @@ LL| |//@ edition: 2021 LL| | LL| 1|fn main() { - LL| 1| loop { + LL| | loop { LL| 1| if core::hint::black_box(true) { LL| 1| break; LL| 0| } diff --git a/tests/mir-opt/coverage/instrument_coverage.main.InstrumentCoverage.diff b/tests/mir-opt/coverage/instrument_coverage.main.InstrumentCoverage.diff index 01876b494c5d..a594c44c316a 100644 --- a/tests/mir-opt/coverage/instrument_coverage.main.InstrumentCoverage.diff +++ b/tests/mir-opt/coverage/instrument_coverage.main.InstrumentCoverage.diff @@ -9,7 +9,7 @@ + coverage ExpressionId(0) => Expression { lhs: Counter(0), op: Add, rhs: Counter(1) }; + coverage Code(Counter(0)) => $DIR/instrument_coverage.rs:10:1 - 10:11; -+ coverage Code(Expression(0)) => $DIR/instrument_coverage.rs:11:5 - 12:17; ++ coverage Code(Expression(0)) => $DIR/instrument_coverage.rs:12:12 - 12:17; + coverage Code(Counter(0)) => $DIR/instrument_coverage.rs:13:13 - 13:18; + coverage Code(Counter(1)) => $DIR/instrument_coverage.rs:14:10 - 14:11; + coverage Code(Counter(0)) => $DIR/instrument_coverage.rs:16:1 - 16:2; From 17b07716f823cd7cbbd848216002c1fee53707f9 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Wed, 15 May 2024 11:58:06 -0400 Subject: [PATCH 1396/1716] rewrite pgo-branch-weights to rmake --- src/tools/run-make-support/src/lib.rs | 8 +- src/tools/run-make-support/src/llvm.rs | 127 ++++++++++++++++++ src/tools/run-make-support/src/run.rs | 23 +++- src/tools/run-make-support/src/rustc.rs | 18 +++ .../tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/pgo-branch-weights/Makefile | 35 ----- tests/run-make/pgo-branch-weights/rmake.rs | 45 +++++++ 7 files changed, 215 insertions(+), 42 deletions(-) create mode 100644 src/tools/run-make-support/src/llvm.rs delete mode 100644 tests/run-make/pgo-branch-weights/Makefile create mode 100644 tests/run-make/pgo-branch-weights/rmake.rs diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index b920f9a07db8..b7a936a1e115 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -9,7 +9,7 @@ mod command; pub mod diff; mod drop_bomb; pub mod fs_wrapper; -pub mod llvm_readobj; +pub mod llvm; pub mod run; pub mod rustc; pub mod rustdoc; @@ -29,8 +29,10 @@ pub use wasmparser; pub use cc::{cc, extra_c_flags, extra_cxx_flags, Cc}; pub use clang::{clang, Clang}; pub use diff::{diff, Diff}; -pub use llvm_readobj::{llvm_readobj, LlvmReadobj}; -pub use run::{cmd, run, run_fail}; +pub use llvm::{ + llvm_filecheck, llvm_profdata, llvm_readobj, LlvmFilecheck, LlvmProfdata, LlvmReadobj, +}; +pub use run::{cmd, run, run_fail, run_with_args}; pub use rustc::{aux_build, rustc, Rustc}; pub use rustdoc::{bare_rustdoc, rustdoc, Rustdoc}; diff --git a/src/tools/run-make-support/src/llvm.rs b/src/tools/run-make-support/src/llvm.rs new file mode 100644 index 000000000000..414251abda29 --- /dev/null +++ b/src/tools/run-make-support/src/llvm.rs @@ -0,0 +1,127 @@ +use std::path::{Path, PathBuf}; + +use crate::{env_var, Command}; + +/// Construct a new `llvm-readobj` invocation. This assumes that `llvm-readobj` is available +/// at `$LLVM_BIN_DIR/llvm-readobj`. +pub fn llvm_readobj() -> LlvmReadobj { + LlvmReadobj::new() +} + +/// Construct a new `llvm-profdata` invocation. This assumes that `llvm-profdata` is available +/// at `$LLVM_BIN_DIR/llvm-profdata`. +pub fn llvm_profdata() -> LlvmProfdata { + LlvmProfdata::new() +} + +/// Construct a new `llvm-filecheck` invocation. This assumes that `llvm-filecheck` is available +/// at `$LLVM_FILECHECK`. +pub fn llvm_filecheck() -> LlvmFilecheck { + LlvmFilecheck::new() +} + +/// A `llvm-readobj` invocation builder. +#[derive(Debug)] +#[must_use] +pub struct LlvmReadobj { + cmd: Command, +} + +/// A `llvm-profdata` invocation builder. +#[derive(Debug)] +#[must_use] +pub struct LlvmProfdata { + cmd: Command, +} + +/// A `llvm-filecheck` invocation builder. +#[derive(Debug)] +#[must_use] +pub struct LlvmFilecheck { + cmd: Command, +} + +crate::impl_common_helpers!(LlvmReadobj); +crate::impl_common_helpers!(LlvmProfdata); +crate::impl_common_helpers!(LlvmFilecheck); + +/// Generate the path to the bin directory of LLVM. +#[must_use] +pub fn llvm_bin_dir() -> PathBuf { + let llvm_bin_dir = env_var("LLVM_BIN_DIR"); + PathBuf::from(llvm_bin_dir) +} + +impl LlvmReadobj { + /// Construct a new `llvm-readobj` invocation. This assumes that `llvm-readobj` is available + /// at `$LLVM_BIN_DIR/llvm-readobj`. + pub fn new() -> Self { + let llvm_readobj = llvm_bin_dir().join("llvm-readobj"); + let cmd = Command::new(llvm_readobj); + Self { cmd } + } + + /// Provide an input file. + pub fn input>(&mut self, path: P) -> &mut Self { + self.cmd.arg(path.as_ref()); + self + } + + /// Pass `--file-header` to display file headers. + pub fn file_header(&mut self) -> &mut Self { + self.cmd.arg("--file-header"); + self + } +} + +impl LlvmProfdata { + /// Construct a new `llvm-profdata` invocation. This assumes that `llvm-profdata` is available + /// at `$LLVM_BIN_DIR/llvm-profdata`. + pub fn new() -> Self { + let llvm_profdata = llvm_bin_dir().join("llvm-profdata"); + let cmd = Command::new(llvm_profdata); + Self { cmd } + } + + /// Provide an input file. + pub fn input>(&mut self, path: P) -> &mut Self { + self.cmd.arg(path.as_ref()); + self + } + + /// Specify the output file path. + pub fn output>(&mut self, path: P) -> &mut Self { + self.cmd.arg("-o"); + self.cmd.arg(path.as_ref()); + self + } + + /// Take several profile data files generated by PGO instrumentation and merge them + /// together into a single indexed profile data file. + pub fn merge(&mut self) -> &mut Self { + self.cmd.arg("merge"); + self + } +} + +impl LlvmFilecheck { + /// Construct a new `llvm-filecheck` invocation. This assumes that `llvm-filecheck` is available + /// at `$LLVM_FILECHECK`. + pub fn new() -> Self { + let llvm_filecheck = env_var("LLVM_FILECHECK"); + let cmd = Command::new(llvm_filecheck); + Self { cmd } + } + + /// Pipe a read file into standard input containing patterns that will be matched against the .patterns(path) call. + pub fn stdin>(&mut self, input: I) -> &mut Self { + self.cmd.set_stdin(input.as_ref().to_vec().into_boxed_slice()); + self + } + + /// Provide the patterns that need to be matched. + pub fn patterns>(&mut self, path: P) -> &mut Self { + self.cmd.arg(path.as_ref()); + self + } +} diff --git a/src/tools/run-make-support/src/run.rs b/src/tools/run-make-support/src/run.rs index 6fa1a75363c9..54730bb7de73 100644 --- a/src/tools/run-make-support/src/run.rs +++ b/src/tools/run-make-support/src/run.rs @@ -9,12 +9,17 @@ use crate::{cwd, env_var, is_windows, set_host_rpath}; use super::handle_failed_output; #[track_caller] -fn run_common(name: &str) -> Command { +fn run_common(name: &str, args: Option<&[&str]>) -> Command { let mut bin_path = PathBuf::new(); bin_path.push(cwd()); bin_path.push(name); let ld_lib_path_envvar = env_var("LD_LIB_PATH_ENVVAR"); let mut cmd = Command::new(bin_path); + if let Some(args) = args { + for arg in args { + cmd.arg(arg); + } + } cmd.env(&ld_lib_path_envvar, { let mut paths = vec![]; paths.push(cwd()); @@ -43,7 +48,19 @@ fn run_common(name: &str) -> Command { #[track_caller] pub fn run(name: &str) -> CompletedProcess { let caller = panic::Location::caller(); - let mut cmd = run_common(name); + let mut cmd = run_common(name, None); + let output = cmd.run(); + if !output.status().success() { + handle_failed_output(&cmd, output, caller.line()); + } + output +} + +/// Run a built binary with one or more argument(s) and make sure it succeeds. +#[track_caller] +pub fn run_with_args(name: &str, args: &[&str]) -> CompletedProcess { + let caller = panic::Location::caller(); + let mut cmd = run_common(name, Some(args)); let output = cmd.run(); if !output.status().success() { handle_failed_output(&cmd, output, caller.line()); @@ -55,7 +72,7 @@ pub fn run(name: &str) -> CompletedProcess { #[track_caller] pub fn run_fail(name: &str) -> CompletedProcess { let caller = panic::Location::caller(); - let mut cmd = run_common(name); + let mut cmd = run_common(name, None); let output = cmd.run_fail(); if output.status().success() { handle_failed_output(&cmd, output, caller.line()); diff --git a/src/tools/run-make-support/src/rustc.rs b/src/tools/run-make-support/src/rustc.rs index 32fa5018d800..4a47ac2ed685 100644 --- a/src/tools/run-make-support/src/rustc.rs +++ b/src/tools/run-make-support/src/rustc.rs @@ -146,6 +146,24 @@ impl Rustc { self } + /// Specify directory path used for profile generation + pub fn profile_generate>(&mut self, path: P) -> &mut Self { + let mut arg = OsString::new(); + arg.push("-Cprofile-generate="); + arg.push(path.as_ref()); + self.cmd.arg(&arg); + self + } + + /// Specify directory path used for profile usage + pub fn profile_use>(&mut self, path: P) -> &mut Self { + let mut arg = OsString::new(); + arg.push("-Cprofile-use="); + arg.push(path.as_ref()); + self.cmd.arg(&arg); + self + } + /// Specify error format to use pub fn error_format(&mut self, format: &str) -> &mut Self { self.cmd.arg(format!("--error-format={format}")); diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index b07e012a1b8a..912895fecd48 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -168,7 +168,6 @@ run-make/pass-linker-flags/Makefile run-make/pass-non-c-like-enum-to-c/Makefile run-make/pdb-alt-path/Makefile run-make/pdb-buildinfo-cl-cmd/Makefile -run-make/pgo-branch-weights/Makefile run-make/pgo-gen-lto/Makefile run-make/pgo-gen-no-imp-symbols/Makefile run-make/pgo-gen/Makefile diff --git a/tests/run-make/pgo-branch-weights/Makefile b/tests/run-make/pgo-branch-weights/Makefile deleted file mode 100644 index 4c9f8b2493ab..000000000000 --- a/tests/run-make/pgo-branch-weights/Makefile +++ /dev/null @@ -1,35 +0,0 @@ -# needs-profiler-support -# ignore-windows-gnu -# ignore-cross-compile - -# FIXME(mati865): MinGW GCC miscompiles compiler-rt profiling library but with Clang it works -# properly. Since we only have GCC on the CI ignore the test for now. - -include ../tools.mk - -# For some very small programs GNU ld seems to not properly handle -# instrumentation sections correctly. Neither Gold nor LLD have that problem. -ifeq ($(UNAME),Linux) -ifneq (,$(findstring x86,$(TARGET))) -COMMON_FLAGS=-Clink-args=-fuse-ld=gold -endif -endif - - -all: - # We don't compile `opaque` with either optimizations or instrumentation. - $(RUSTC) $(COMMON_FLAGS) opaque.rs || exit 1 - # Compile the test program with instrumentation - mkdir -p "$(TMPDIR)/prof_data_dir" || exit 1 - $(RUSTC) $(COMMON_FLAGS) interesting.rs \ - -Cprofile-generate="$(TMPDIR)/prof_data_dir" -O -Ccodegen-units=1 || exit 1 - $(RUSTC) $(COMMON_FLAGS) main.rs -Cprofile-generate="$(TMPDIR)/prof_data_dir" -O || exit 1 - # The argument below generates to the expected branch weights - $(call RUN,main aaaaaaaaaaaa2bbbbbbbbbbbb2bbbbbbbbbbbbbbbbcc) || exit 1 - "$(LLVM_BIN_DIR)/llvm-profdata" merge \ - -o "$(TMPDIR)/prof_data_dir/merged.profdata" \ - "$(TMPDIR)/prof_data_dir" || exit 1 - $(RUSTC) $(COMMON_FLAGS) interesting.rs \ - -Cprofile-use="$(TMPDIR)/prof_data_dir/merged.profdata" -O \ - -Ccodegen-units=1 --emit=llvm-ir || exit 1 - cat "$(TMPDIR)/interesting.ll" | "$(LLVM_FILECHECK)" filecheck-patterns.txt diff --git a/tests/run-make/pgo-branch-weights/rmake.rs b/tests/run-make/pgo-branch-weights/rmake.rs new file mode 100644 index 000000000000..55f6e7e56c5a --- /dev/null +++ b/tests/run-make/pgo-branch-weights/rmake.rs @@ -0,0 +1,45 @@ +// This test generates an instrumented binary - a program which +// will keep track of how many times it calls each function, a useful +// feature for optimization. Then, an argument (aaaaaaaaaaaa2bbbbbbbbbbbb2bbbbbbbbbbbbbbbbcc) +// is passed into the instrumented binary, which should react with a number of function calls +// fully known in advance. (For example, the letter 'a' results in calling f1()) + +// If the test passes, the expected function call count was added to the use-phase LLVM-IR. +// See https://github.com/rust-lang/rust/pull/66631 + +//@ needs-profiler-support +//@ ignore-cross-compile + +// FIXME(Oneirical): This test has problems generating profdata on mingw. +// For more information, see https://github.com/rust-lang/rust/pull/122613 +//@ ignore-windows-gnu + +use run_make_support::{fs_wrapper, llvm_filecheck, llvm_profdata, run_with_args, rustc}; +use std::path::Path; + +fn main() { + let path_prof_data_dir = Path::new("prof_data_dir"); + let path_merged_profdata = path_prof_data_dir.join("merged.profdata"); + rustc().input("opaque.rs").run(); + fs_wrapper::create_dir_all(&path_prof_data_dir); + rustc() + .input("interesting.rs") + .profile_generate(&path_prof_data_dir) + .opt() + .codegen_units(1) + .run(); + rustc().input("main.rs").profile_generate(&path_prof_data_dir).opt().run(); + run_with_args("main", &["aaaaaaaaaaaa2bbbbbbbbbbbb2bbbbbbbbbbbbbbbbcc"]); + llvm_profdata().merge().output(&path_merged_profdata).input(path_prof_data_dir).run(); + rustc() + .input("interesting.rs") + .profile_use(path_merged_profdata) + .opt() + .codegen_units(1) + .emit("llvm-ir") + .run(); + llvm_filecheck() + .patterns("filecheck-patterns.txt") + .stdin(fs_wrapper::read("interesting.ll")) + .run(); +} From 80408e0649b29915ad5258367b67c70a91e6b043 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Tue, 28 May 2024 13:21:28 -0400 Subject: [PATCH 1397/1716] port symlinked-extern to rmake --- src/tools/run-make-support/src/lib.rs | 23 +++++++++++++++-- .../tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/symlinked-extern/rmake.rs | 25 +++++++++++++++++++ 3 files changed, 46 insertions(+), 3 deletions(-) create mode 100644 tests/run-make/symlinked-extern/rmake.rs diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index b920f9a07db8..d93a950d3e1b 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -93,6 +93,17 @@ pub fn source_root() -> PathBuf { env_var("SOURCE_ROOT").into() } +/// Creates a new symlink to a path on the filesystem, adjusting for Windows or Unix. +pub fn create_symlink, Q: AsRef>(original: P, link: Q) { + if is_windows() { + use std::os::windows::fs; + fs::symlink_file(original, link).unwrap(); + } else { + use std::os::unix::fs; + fs::symlink(original, link).unwrap(); + } +} + /// Construct the static library name based on the platform. pub fn static_lib_name(name: &str) -> String { // See tools.mk (irrelevant lines omitted): @@ -114,7 +125,11 @@ pub fn static_lib_name(name: &str) -> String { // ``` assert!(!name.contains(char::is_whitespace), "static library name cannot contain whitespace"); - if is_msvc() { format!("{name}.lib") } else { format!("lib{name}.a") } + if is_msvc() { + format!("{name}.lib") + } else { + format!("lib{name}.a") + } } /// Construct the dynamic library name based on the platform. @@ -161,7 +176,11 @@ pub fn rust_lib_name(name: &str) -> String { /// Construct the binary name based on platform. pub fn bin_name(name: &str) -> String { - if is_windows() { format!("{name}.exe") } else { name.to_string() } + if is_windows() { + format!("{name}.exe") + } else { + name.to_string() + } } /// Return the current working directory. diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index ac89a30f3534..4adfd52b2b38 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -228,7 +228,6 @@ run-make/std-core-cycle/Makefile run-make/symbol-mangling-hashed/Makefile run-make/symbol-visibility/Makefile run-make/symbols-include-type-name/Makefile -run-make/symlinked-extern/Makefile run-make/symlinked-libraries/Makefile run-make/symlinked-rlib/Makefile run-make/sysroot-crates-are-unstable/Makefile diff --git a/tests/run-make/symlinked-extern/rmake.rs b/tests/run-make/symlinked-extern/rmake.rs new file mode 100644 index 000000000000..124f1cef8498 --- /dev/null +++ b/tests/run-make/symlinked-extern/rmake.rs @@ -0,0 +1,25 @@ +// Crates that are resolved normally have their path canonicalized and all +// symlinks resolved. This did not happen for paths specified +// using the --extern option to rustc, which could lead to rustc thinking +// that it encountered two different versions of a crate, when it's +// actually the same version found through different paths. + +// This test checks that --extern and symlinks together +// can result in successful compilation. + +//@ ignore-cross-compile + +use run_make_support::{create_symlink, rustc, tmp_dir}; +use std::fs; + +fn main() { + rustc().input("foo.rs").run(); + fs::create_dir_all(tmp_dir().join("other")).unwrap(); + create_symlink(tmp_dir().join("libfoo.rlib"), tmp_dir().join("other")); + rustc().input("bar.rs").library_search_path(tmp_dir()).run(); + rustc() + .input("baz.rs") + .extern_("foo", tmp_dir().join("other/libfoo.rlib")) + .library_search_path(tmp_dir()) + .run(); +} From 59acd234575b0283a6e00ec2e9d8be5f1b2f782d Mon Sep 17 00:00:00 2001 From: Oneirical Date: Tue, 28 May 2024 13:33:14 -0400 Subject: [PATCH 1398/1716] port symlinked-rlib to rmake --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/symlinked-extern/Makefile | 12 ------------ tests/run-make/symlinked-extern/rmake.rs | 1 + tests/run-make/symlinked-rlib/Makefile | 10 ---------- tests/run-make/symlinked-rlib/rmake.rs | 16 ++++++++++++++++ 5 files changed, 17 insertions(+), 23 deletions(-) delete mode 100644 tests/run-make/symlinked-extern/Makefile delete mode 100644 tests/run-make/symlinked-rlib/Makefile create mode 100644 tests/run-make/symlinked-rlib/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 4adfd52b2b38..dc1310afde9d 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -229,7 +229,6 @@ run-make/symbol-mangling-hashed/Makefile run-make/symbol-visibility/Makefile run-make/symbols-include-type-name/Makefile run-make/symlinked-libraries/Makefile -run-make/symlinked-rlib/Makefile run-make/sysroot-crates-are-unstable/Makefile run-make/target-cpu-native/Makefile run-make/target-specs/Makefile diff --git a/tests/run-make/symlinked-extern/Makefile b/tests/run-make/symlinked-extern/Makefile deleted file mode 100644 index 28c764b84e8b..000000000000 --- a/tests/run-make/symlinked-extern/Makefile +++ /dev/null @@ -1,12 +0,0 @@ -# ignore-cross-compile -include ../tools.mk - -# ignore-windows -# `ln` is actually `cp` on msys. - -all: - $(RUSTC) foo.rs - mkdir -p $(TMPDIR)/other - ln -nsf $(TMPDIR)/libfoo.rlib $(TMPDIR)/other - $(RUSTC) bar.rs -L $(TMPDIR) - $(RUSTC) baz.rs --extern foo=$(TMPDIR)/other/libfoo.rlib -L $(TMPDIR) diff --git a/tests/run-make/symlinked-extern/rmake.rs b/tests/run-make/symlinked-extern/rmake.rs index 124f1cef8498..a54989661dc7 100644 --- a/tests/run-make/symlinked-extern/rmake.rs +++ b/tests/run-make/symlinked-extern/rmake.rs @@ -3,6 +3,7 @@ // using the --extern option to rustc, which could lead to rustc thinking // that it encountered two different versions of a crate, when it's // actually the same version found through different paths. +// See https://github.com/rust-lang/rust/pull/16505 // This test checks that --extern and symlinks together // can result in successful compilation. diff --git a/tests/run-make/symlinked-rlib/Makefile b/tests/run-make/symlinked-rlib/Makefile deleted file mode 100644 index a8565f683c3e..000000000000 --- a/tests/run-make/symlinked-rlib/Makefile +++ /dev/null @@ -1,10 +0,0 @@ -# ignore-cross-compile -include ../tools.mk - -# ignore-windows -# `ln` is actually `cp` on msys. - -all: - $(RUSTC) foo.rs --crate-type=rlib -o $(TMPDIR)/foo.xxx - ln -nsf $(TMPDIR)/foo.xxx $(TMPDIR)/libfoo.rlib - $(RUSTC) bar.rs -L $(TMPDIR) diff --git a/tests/run-make/symlinked-rlib/rmake.rs b/tests/run-make/symlinked-rlib/rmake.rs new file mode 100644 index 000000000000..d451c62a2f38 --- /dev/null +++ b/tests/run-make/symlinked-rlib/rmake.rs @@ -0,0 +1,16 @@ +// Rustc did not recognize libraries which were symlinked +// to files having extension other than .rlib. This was fixed +// in #32828. This test creates a symlink to "foo.xxx", which has +// an unusual file extension, and checks that rustc can successfully +// use it as an rlib library. +// See https://github.com/rust-lang/rust/pull/32828 + +//@ ignore-cross-compile + +use run_make_support::{create_symlink, rustc, tmp_dir}; + +fn main() { + rustc().input("foo.rs").crate_type("rlib").output(tmp_dir().join("foo.xxx")).run(); + create_symlink(tmp_dir().join("foo.xxx"), tmp_dir().join("libfoo.rlib")); + rustc().input("bar.rs").library_search_path(tmp_dir()); +} From 2ac5faa509e9511665986a5ac25ed7c4e427aac2 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Tue, 28 May 2024 13:57:09 -0400 Subject: [PATCH 1399/1716] port symlinked-libraries to rmake --- src/tools/run-make-support/src/lib.rs | 41 +++++++++++-------- .../tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/symlinked-extern/rmake.rs | 15 +++---- tests/run-make/symlinked-libraries/Makefile | 11 ----- tests/run-make/symlinked-libraries/rmake.rs | 16 ++++++++ tests/run-make/symlinked-rlib/rmake.rs | 8 ++-- 6 files changed, 50 insertions(+), 42 deletions(-) delete mode 100644 tests/run-make/symlinked-libraries/Makefile create mode 100644 tests/run-make/symlinked-libraries/rmake.rs diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index d93a950d3e1b..9ec20bf8fd47 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -94,14 +94,31 @@ pub fn source_root() -> PathBuf { } /// Creates a new symlink to a path on the filesystem, adjusting for Windows or Unix. +#[cfg(target_family = "windows")] pub fn create_symlink, Q: AsRef>(original: P, link: Q) { - if is_windows() { - use std::os::windows::fs; - fs::symlink_file(original, link).unwrap(); - } else { - use std::os::unix::fs; - fs::symlink(original, link).unwrap(); + if link.as_ref().exists() { + std::fs::remove_dir(link.as_ref()).unwrap(); } + use std::os::windows::fs; + fs::symlink_file(original.as_ref(), link.as_ref()).expect(&format!( + "failed to create symlink {:?} for {:?}", + link.as_ref().display(), + original.as_ref().display(), + )); +} + +/// Creates a new symlink to a path on the filesystem, adjusting for Windows or Unix. +#[cfg(target_family = "unix")] +pub fn create_symlink, Q: AsRef>(original: P, link: Q) { + if link.as_ref().exists() { + std::fs::remove_dir(link.as_ref()).unwrap(); + } + use std::os::unix::fs; + fs::symlink(original.as_ref(), link.as_ref()).expect(&format!( + "failed to create symlink {:?} for {:?}", + link.as_ref().display(), + original.as_ref().display(), + )); } /// Construct the static library name based on the platform. @@ -125,11 +142,7 @@ pub fn static_lib_name(name: &str) -> String { // ``` assert!(!name.contains(char::is_whitespace), "static library name cannot contain whitespace"); - if is_msvc() { - format!("{name}.lib") - } else { - format!("lib{name}.a") - } + if is_msvc() { format!("{name}.lib") } else { format!("lib{name}.a") } } /// Construct the dynamic library name based on the platform. @@ -176,11 +189,7 @@ pub fn rust_lib_name(name: &str) -> String { /// Construct the binary name based on platform. pub fn bin_name(name: &str) -> String { - if is_windows() { - format!("{name}.exe") - } else { - name.to_string() - } + if is_windows() { format!("{name}.exe") } else { name.to_string() } } /// Return the current working directory. diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index dc1310afde9d..339184731970 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -228,7 +228,6 @@ run-make/std-core-cycle/Makefile run-make/symbol-mangling-hashed/Makefile run-make/symbol-visibility/Makefile run-make/symbols-include-type-name/Makefile -run-make/symlinked-libraries/Makefile run-make/sysroot-crates-are-unstable/Makefile run-make/target-cpu-native/Makefile run-make/target-specs/Makefile diff --git a/tests/run-make/symlinked-extern/rmake.rs b/tests/run-make/symlinked-extern/rmake.rs index a54989661dc7..98f69aefbe62 100644 --- a/tests/run-make/symlinked-extern/rmake.rs +++ b/tests/run-make/symlinked-extern/rmake.rs @@ -10,17 +10,12 @@ //@ ignore-cross-compile -use run_make_support::{create_symlink, rustc, tmp_dir}; -use std::fs; +use run_make_support::{create_symlink, cwd, fs_wrapper, rustc}; fn main() { rustc().input("foo.rs").run(); - fs::create_dir_all(tmp_dir().join("other")).unwrap(); - create_symlink(tmp_dir().join("libfoo.rlib"), tmp_dir().join("other")); - rustc().input("bar.rs").library_search_path(tmp_dir()).run(); - rustc() - .input("baz.rs") - .extern_("foo", tmp_dir().join("other/libfoo.rlib")) - .library_search_path(tmp_dir()) - .run(); + fs_wrapper::create_dir_all("other"); + create_symlink("libfoo.rlib", "other"); + rustc().input("bar.rs").library_search_path(cwd()).run(); + rustc().input("baz.rs").extern_("foo", "other").library_search_path(cwd()).run(); } diff --git a/tests/run-make/symlinked-libraries/Makefile b/tests/run-make/symlinked-libraries/Makefile deleted file mode 100644 index fb0b6127e6f5..000000000000 --- a/tests/run-make/symlinked-libraries/Makefile +++ /dev/null @@ -1,11 +0,0 @@ -# ignore-cross-compile -include ../tools.mk - -# ignore-windows -# `ln` is actually `cp` on msys. - -all: - $(RUSTC) foo.rs -C prefer-dynamic - mkdir -p $(TMPDIR)/other - ln -nsf $(TMPDIR)/$(call DYLIB_GLOB,foo) $(TMPDIR)/other - $(RUSTC) bar.rs -L $(TMPDIR)/other diff --git a/tests/run-make/symlinked-libraries/rmake.rs b/tests/run-make/symlinked-libraries/rmake.rs new file mode 100644 index 000000000000..eaf0c44206a5 --- /dev/null +++ b/tests/run-make/symlinked-libraries/rmake.rs @@ -0,0 +1,16 @@ +// When a directory and a symlink simultaneously exist with the same name, +// setting that name as the library search path should not cause rustc +// to avoid looking in the symlink and cause an error. This test creates +// a directory and a symlink named "other", and places the library in the symlink. +// If it succeeds, the library was successfully found. +// See https://github.com/rust-lang/rust/issues/12459 + +//@ ignore-cross-compile +use run_make_support::{create_symlink, dynamic_lib_name, fs_wrapper, rustc}; + +fn main() { + rustc().input("foo.rs").arg("-Cprefer-dynamic").run(); + fs_wrapper::create_dir_all("other"); + create_symlink(dynamic_lib_name("foo"), "other"); + rustc().input("bar.rs").library_search_path("other").run(); +} diff --git a/tests/run-make/symlinked-rlib/rmake.rs b/tests/run-make/symlinked-rlib/rmake.rs index d451c62a2f38..3759ca25928a 100644 --- a/tests/run-make/symlinked-rlib/rmake.rs +++ b/tests/run-make/symlinked-rlib/rmake.rs @@ -7,10 +7,10 @@ //@ ignore-cross-compile -use run_make_support::{create_symlink, rustc, tmp_dir}; +use run_make_support::{create_symlink, cwd, rustc}; fn main() { - rustc().input("foo.rs").crate_type("rlib").output(tmp_dir().join("foo.xxx")).run(); - create_symlink(tmp_dir().join("foo.xxx"), tmp_dir().join("libfoo.rlib")); - rustc().input("bar.rs").library_search_path(tmp_dir()); + rustc().input("foo.rs").crate_type("rlib").output("foo.xxx").run(); + create_symlink("foo.xxx", "libfoo.rlib"); + rustc().input("bar.rs").library_search_path(cwd()).run(); } From b1ace388c0c493e01b9ee1295dea406588afda11 Mon Sep 17 00:00:00 2001 From: Amanda Stjerna Date: Mon, 13 May 2024 13:47:45 +0200 Subject: [PATCH 1400/1716] Extend SCC construction to enable extra functionality This patch has been extracted from #123720. It specifically enhances `Sccs` to allow tracking arbitrary commutative properties of SCCs, including - reachable values (max/min) - SCC-internal values (max/min) This helps with among other things universe computation: we can now identify SCC universes as a straightforward "find max/min" operation during SCC construction. It's also more or less zero-cost; don't use the new features, don't pay for them. This commit also vastly extends the documentation of the SCCs module, which I had a very hard time following. --- .../rustc_borrowck/src/constraints/mod.rs | 104 ++++- .../rustc_borrowck/src/region_infer/mod.rs | 261 +++--------- .../src/region_infer/opaque_types.rs | 4 +- .../src/graph/scc/mod.rs | 387 ++++++++++++------ .../src/graph/scc/tests.rs | 214 +++++++++- .../infer/region_constraints/leak_check.rs | 2 +- 6 files changed, 630 insertions(+), 342 deletions(-) diff --git a/compiler/rustc_borrowck/src/constraints/mod.rs b/compiler/rustc_borrowck/src/constraints/mod.rs index 97408fa20d79..b1d6fd89e279 100644 --- a/compiler/rustc_borrowck/src/constraints/mod.rs +++ b/compiler/rustc_borrowck/src/constraints/mod.rs @@ -1,15 +1,99 @@ -use rustc_data_structures::graph::scc::Sccs; +use crate::region_infer::RegionDefinition; +use crate::type_check::Locations; +use rustc_data_structures::graph::scc::{self, Sccs}; use rustc_index::{IndexSlice, IndexVec}; use rustc_middle::mir::ConstraintCategory; -use rustc_middle::ty::{RegionVid, TyCtxt, VarianceDiagInfo}; +use rustc_middle::ty::{RegionVid, TyCtxt, UniverseIndex, VarianceDiagInfo}; use rustc_span::Span; use std::fmt; use std::ops::Index; -use crate::type_check::Locations; - pub(crate) mod graph; +pub type ConstraintSccs = Sccs; + +/// An annotation for region graph SCCs that tracks +/// the values of its elements. +#[derive(Copy, Debug, Clone)] +pub struct RegionTracker { + /// The largest universe of a placeholder reached from this SCC. + /// This includes placeholders within this SCC. + max_placeholder_universe_reached: UniverseIndex, + + /// The smallest universe index reachable form the nodes of this SCC. + min_reachable_universe: UniverseIndex, + + /// The representative Region Variable Id for this SCC. We prefer + /// placeholders over existentially quantified variables, otherwise + /// it's the one with the smallest Region Variable ID. + pub representative: RegionVid, + + /// Is the current representative a placeholder? + representative_is_placeholder: bool, + + /// Is the current representative existentially quantified? + representative_is_existential: bool, +} + +impl scc::Annotation for RegionTracker { + fn merge_scc(mut self, mut other: Self) -> Self { + // Prefer any placeholder over any existential + if other.representative_is_placeholder && self.representative_is_existential { + other.merge_min_max_seen(&self); + return other; + } + + if self.representative_is_placeholder && other.representative_is_existential + || (self.representative <= other.representative) + { + self.merge_min_max_seen(&other); + return self; + } + other.merge_min_max_seen(&self); + other + } + + fn merge_reached(mut self, other: Self) -> Self { + // No update to in-component values, only add seen values. + self.merge_min_max_seen(&other); + self + } +} + +impl RegionTracker { + pub fn new(rvid: RegionVid, definition: &RegionDefinition<'_>) -> Self { + let placeholder_universe = + if definition.is_placeholder() { definition.universe } else { UniverseIndex::ROOT }; + + Self { + max_placeholder_universe_reached: placeholder_universe, + min_reachable_universe: definition.universe, + representative: rvid, + representative_is_placeholder: definition.is_placeholder(), + representative_is_existential: definition.is_existential(), + } + } + pub fn universe(self) -> UniverseIndex { + self.min_reachable_universe + } + + fn merge_min_max_seen(&mut self, other: &Self) { + self.max_placeholder_universe_reached = std::cmp::max( + self.max_placeholder_universe_reached, + other.max_placeholder_universe_reached, + ); + + self.min_reachable_universe = + std::cmp::min(self.min_reachable_universe, other.min_reachable_universe); + } + + /// Returns `true` if during the annotated SCC reaches a placeholder + /// with a universe larger than the smallest reachable one, `false` otherwise. + pub fn has_incompatible_universes(&self) -> bool { + self.universe().cannot_name(self.max_placeholder_universe_reached) + } +} + /// A set of NLL region constraints. These include "outlives" /// constraints of the form `R1: R2`. Each constraint is identified by /// a unique `OutlivesConstraintIndex` and you can index into the set @@ -45,18 +129,6 @@ impl<'tcx> OutlivesConstraintSet<'tcx> { graph::ConstraintGraph::new(graph::Reverse, self, num_region_vars) } - /// Computes cycles (SCCs) in the graph of regions. In particular, - /// find all regions R1, R2 such that R1: R2 and R2: R1 and group - /// them into an SCC, and find the relationships between SCCs. - pub(crate) fn compute_sccs( - &self, - constraint_graph: &graph::NormalConstraintGraph, - static_region: RegionVid, - ) -> Sccs { - let region_graph = &constraint_graph.region_graph(self, static_region); - Sccs::new(region_graph) - } - pub(crate) fn outlives( &self, ) -> &IndexSlice> { diff --git a/compiler/rustc_borrowck/src/region_infer/mod.rs b/compiler/rustc_borrowck/src/region_infer/mod.rs index 0e3140ca98b0..b2a91a58e5c0 100644 --- a/compiler/rustc_borrowck/src/region_infer/mod.rs +++ b/compiler/rustc_borrowck/src/region_infer/mod.rs @@ -4,10 +4,9 @@ use std::rc::Rc; use rustc_data_structures::binary_search_util; use rustc_data_structures::frozen::Frozen; use rustc_data_structures::fx::{FxIndexMap, FxIndexSet}; -use rustc_data_structures::graph::scc::Sccs; use rustc_errors::Diag; use rustc_hir::def_id::CRATE_DEF_ID; -use rustc_index::{IndexSlice, IndexVec}; +use rustc_index::IndexVec; use rustc_infer::infer::outlives::test_type_match; use rustc_infer::infer::region_constraints::{GenericKind, VarInfos, VerifyBound, VerifyIfEq}; use rustc_infer::infer::{InferCtxt, NllRegionVariableOrigin, RegionVariableOrigin}; @@ -19,11 +18,12 @@ use rustc_middle::mir::{ }; use rustc_middle::traits::ObligationCause; use rustc_middle::traits::ObligationCauseCode; -use rustc_middle::ty::{self, RegionVid, Ty, TyCtxt, TypeFoldable}; +use rustc_middle::ty::{self, RegionVid, Ty, TyCtxt, TypeFoldable, UniverseIndex}; use rustc_mir_dataflow::points::DenseLocationMap; use rustc_span::Span; use crate::constraints::graph::{self, NormalConstraintGraph, RegionGraph}; +use crate::constraints::{ConstraintSccs, RegionTracker}; use crate::dataflow::BorrowIndex; use crate::{ constraints::{ConstraintSccIndex, OutlivesConstraint, OutlivesConstraintSet}, @@ -72,7 +72,7 @@ pub struct RegionInferenceContext<'tcx> { /// The SCC computed from `constraints` and the constraint /// graph. We have an edge from SCC A to SCC B if `A: B`. Used to /// compute the values of each region. - constraint_sccs: Rc>, + pub constraint_sccs: Rc, /// Reverse of the SCC constraint graph -- i.e., an edge `A -> B` exists if /// `B: A`. This is used to compute the universal regions that are required @@ -91,22 +91,6 @@ pub struct RegionInferenceContext<'tcx> { /// Map universe indexes to information on why we created it. universe_causes: FxIndexMap>, - /// Contains the minimum universe of any variable within the same - /// SCC. We will ensure that no SCC contains values that are not - /// visible from this index. - scc_universes: IndexVec, - - /// Contains the "representative" region of each SCC. - /// It is defined as the one with the minimal RegionVid, favoring - /// free regions, then placeholders, then existential regions. - /// - /// It is a hacky way to manage checking regions for equality, - /// since we can 'canonicalize' each region to the representative - /// of its SCC and be sure that -- if they have the same repr -- - /// they *must* be equal (though not having the same repr does not - /// mean they are unequal). - scc_representatives: IndexVec, - /// The final inferred values of the region variables; we compute /// one value per SCC. To get the value for any given *region*, /// you first find which scc it is a part of. @@ -151,7 +135,7 @@ pub(crate) struct AppliedMemberConstraint { } #[derive(Debug)] -pub(crate) struct RegionDefinition<'tcx> { +pub struct RegionDefinition<'tcx> { /// What kind of variable is this -- a free region? existential /// variable? etc. (See the `NllRegionVariableOrigin` for more /// info.) @@ -250,7 +234,7 @@ pub enum ExtraConstraintInfo { } #[instrument(skip(infcx, sccs), level = "debug")] -fn sccs_info<'tcx>(infcx: &BorrowckInferCtxt<'tcx>, sccs: Rc>) { +fn sccs_info<'tcx>(infcx: &BorrowckInferCtxt<'tcx>, sccs: &ConstraintSccs) { use crate::renumber::RegionCtxt; let var_to_origin = infcx.reg_var_to_origin.borrow(); @@ -264,7 +248,7 @@ fn sccs_info<'tcx>(infcx: &BorrowckInferCtxt<'tcx>, sccs: Rc(infcx: &BorrowckInferCtxt<'tcx>, sccs: Rc>(); + let edge_representatives = sccs + .successors(*scc_idx) + .iter() + .map(|scc_idx| components_representatives[scc_idx]) + .collect::>(); scc_node_to_edges.insert((scc_idx, repr), edge_representatives); } @@ -320,7 +305,7 @@ impl<'tcx> RegionInferenceContext<'tcx> { /// The `outlives_constraints` and `type_tests` are an initial set /// of constraints produced by the MIR type check. pub(crate) fn new( - _infcx: &BorrowckInferCtxt<'tcx>, + infcx: &BorrowckInferCtxt<'tcx>, var_infos: VarInfos, universal_regions: Rc>, placeholder_indices: Rc, @@ -343,13 +328,20 @@ impl<'tcx> RegionInferenceContext<'tcx> { .map(|info| RegionDefinition::new(info.universe, info.origin)) .collect(); + let fr_static = universal_regions.fr_static; let constraints = Frozen::freeze(outlives_constraints); let constraint_graph = Frozen::freeze(constraints.graph(definitions.len())); - let fr_static = universal_regions.fr_static; - let constraint_sccs = Rc::new(constraints.compute_sccs(&constraint_graph, fr_static)); + let constraint_sccs = { + let constraint_graph = constraints.graph(definitions.len()); + let region_graph = &constraint_graph.region_graph(&constraints, fr_static); + let sccs = ConstraintSccs::new_with_annotation(®ion_graph, |r| { + RegionTracker::new(r, &definitions[r]) + }); + Rc::new(sccs) + }; if cfg!(debug_assertions) { - sccs_info(_infcx, constraint_sccs.clone()); + sccs_info(infcx, &constraint_sccs); } let mut scc_values = @@ -360,10 +352,6 @@ impl<'tcx> RegionInferenceContext<'tcx> { scc_values.merge_liveness(scc, region, &liveness_constraints); } - let scc_universes = Self::compute_scc_universes(&constraint_sccs, &definitions); - - let scc_representatives = Self::compute_scc_representatives(&constraint_sccs, &definitions); - let member_constraints = Rc::new(member_constraints_in.into_mapped(|r| constraint_sccs.scc(r))); @@ -378,8 +366,6 @@ impl<'tcx> RegionInferenceContext<'tcx> { member_constraints, member_constraints_applied: Vec::new(), universe_causes, - scc_universes, - scc_representatives, scc_values, type_tests, universal_regions, @@ -391,123 +377,6 @@ impl<'tcx> RegionInferenceContext<'tcx> { result } - /// Each SCC is the combination of many region variables which - /// have been equated. Therefore, we can associate a universe with - /// each SCC which is minimum of all the universes of its - /// constituent regions -- this is because whatever value the SCC - /// takes on must be a value that each of the regions within the - /// SCC could have as well. This implies that the SCC must have - /// the minimum, or narrowest, universe. - fn compute_scc_universes( - constraint_sccs: &Sccs, - definitions: &IndexSlice>, - ) -> IndexVec { - let num_sccs = constraint_sccs.num_sccs(); - let mut scc_universes = IndexVec::from_elem_n(ty::UniverseIndex::MAX, num_sccs); - - debug!("compute_scc_universes()"); - - // For each region R in universe U, ensure that the universe for the SCC - // that contains R is "no bigger" than U. This effectively sets the universe - // for each SCC to be the minimum of the regions within. - for (region_vid, region_definition) in definitions.iter_enumerated() { - let scc = constraint_sccs.scc(region_vid); - let scc_universe = &mut scc_universes[scc]; - let scc_min = std::cmp::min(region_definition.universe, *scc_universe); - if scc_min != *scc_universe { - *scc_universe = scc_min; - debug!( - "compute_scc_universes: lowered universe of {scc:?} to {scc_min:?} \ - because it contains {region_vid:?} in {region_universe:?}", - scc = scc, - scc_min = scc_min, - region_vid = region_vid, - region_universe = region_definition.universe, - ); - } - } - - // Walk each SCC `A` and `B` such that `A: B` - // and ensure that universe(A) can see universe(B). - // - // This serves to enforce the 'empty/placeholder' hierarchy - // (described in more detail on `RegionKind`): - // - // ``` - // static -----+ - // | | - // empty(U0) placeholder(U1) - // | / - // empty(U1) - // ``` - // - // In particular, imagine we have variables R0 in U0 and R1 - // created in U1, and constraints like this; - // - // ``` - // R1: !1 // R1 outlives the placeholder in U1 - // R1: R0 // R1 outlives R0 - // ``` - // - // Here, we wish for R1 to be `'static`, because it - // cannot outlive `placeholder(U1)` and `empty(U0)` any other way. - // - // Thanks to this loop, what happens is that the `R1: R0` - // constraint lowers the universe of `R1` to `U0`, which in turn - // means that the `R1: !1` constraint will (later) cause - // `R1` to become `'static`. - for scc_a in constraint_sccs.all_sccs() { - for &scc_b in constraint_sccs.successors(scc_a) { - let scc_universe_a = scc_universes[scc_a]; - let scc_universe_b = scc_universes[scc_b]; - let scc_universe_min = std::cmp::min(scc_universe_a, scc_universe_b); - if scc_universe_a != scc_universe_min { - scc_universes[scc_a] = scc_universe_min; - - debug!( - "compute_scc_universes: lowered universe of {scc_a:?} to {scc_universe_min:?} \ - because {scc_a:?}: {scc_b:?} and {scc_b:?} is in universe {scc_universe_b:?}", - scc_a = scc_a, - scc_b = scc_b, - scc_universe_min = scc_universe_min, - scc_universe_b = scc_universe_b - ); - } - } - } - - debug!("compute_scc_universes: scc_universe = {:#?}", scc_universes); - - scc_universes - } - - /// For each SCC, we compute a unique `RegionVid`. See the - /// `scc_representatives` field of `RegionInferenceContext` for - /// more details. - fn compute_scc_representatives( - constraints_scc: &Sccs, - definitions: &IndexSlice>, - ) -> IndexVec { - let num_sccs = constraints_scc.num_sccs(); - let mut scc_representatives = IndexVec::from_elem_n(RegionVid::MAX, num_sccs); - - // Iterate over all RegionVids *in-order* and pick the least RegionVid as the - // representative of its SCC. This naturally prefers free regions over others. - for (vid, def) in definitions.iter_enumerated() { - let repr = &mut scc_representatives[constraints_scc.scc(vid)]; - if *repr == ty::RegionVid::MAX { - *repr = vid; - } else if matches!(def.origin, NllRegionVariableOrigin::Placeholder(_)) - && matches!(definitions[*repr].origin, NllRegionVariableOrigin::Existential { .. }) - { - // Pick placeholders over existentials even if they have a greater RegionVid. - *repr = vid; - } - } - - scc_representatives - } - /// Initializes the region variables for each universally /// quantified region (lifetime parameter). The first N variables /// always correspond to the regions appearing in the function @@ -533,7 +402,7 @@ impl<'tcx> RegionInferenceContext<'tcx> { // This iterator has unstable order but we collect it all into an IndexVec for (external_name, variable) in self.universal_regions.named_universal_regions() { debug!( - "init_universal_regions: region {:?} has external name {:?}", + "init_free_and_bound_regions: region {:?} has external name {:?}", variable, external_name ); self.definitions[variable].external_name = Some(external_name); @@ -559,7 +428,7 @@ impl<'tcx> RegionInferenceContext<'tcx> { // its universe `ui` and its extensions. So we // can't just add it into `scc` unless the // universe of the scc can name this region. - let scc_universe = self.scc_universes[scc]; + let scc_universe = self.scc_universe(scc); if scc_universe.can_name(placeholder.universe) { self.scc_values.add_element(scc, placeholder); } else { @@ -640,8 +509,7 @@ impl<'tcx> RegionInferenceContext<'tcx> { /// Returns access to the value of `r` for debugging purposes. pub(crate) fn region_universe(&self, r: RegionVid) -> ty::UniverseIndex { - let scc = self.constraint_sccs.scc(r); - self.scc_universes[scc] + self.scc_universe(self.constraint_sccs.scc(r)) } /// Once region solving has completed, this function will return the member constraints that @@ -737,8 +605,7 @@ impl<'tcx> RegionInferenceContext<'tcx> { // SCC. For each SCC, we visit its successors and compute // their values, then we union all those values to get our // own. - let constraint_sccs = self.constraint_sccs.clone(); - for scc in constraint_sccs.all_sccs() { + for scc in self.constraint_sccs.all_sccs() { self.compute_value_for_scc(scc); } @@ -817,20 +684,15 @@ impl<'tcx> RegionInferenceContext<'tcx> { // if one exists. for c_r in &mut choice_regions { let scc = self.constraint_sccs.scc(*c_r); - *c_r = self.scc_representatives[scc]; + *c_r = self.scc_representative(scc); } // If the member region lives in a higher universe, we currently choose // the most conservative option by leaving it unchanged. - if self.scc_universes[scc] != ty::UniverseIndex::ROOT { + + if !self.constraint_sccs().annotation(scc).universe().is_root() { return; } - debug_assert!( - self.scc_values.placeholders_contained_in(scc).next().is_none(), - "scc {:?} in a member constraint has placeholder value: {:?}", - scc, - self.scc_values.region_value_str(scc), - ); // The existing value for `scc` is a lower-bound. This will // consist of some set `{P} + {LB}` of points `{P}` and @@ -900,12 +762,13 @@ impl<'tcx> RegionInferenceContext<'tcx> { /// in `scc_a`. Used during constraint propagation, and only once /// the value of `scc_b` has been computed. fn universe_compatible(&self, scc_b: ConstraintSccIndex, scc_a: ConstraintSccIndex) -> bool { - let universe_a = self.scc_universes[scc_a]; + let universe_a = self.constraint_sccs().annotation(scc_a).universe(); + let universe_b = self.constraint_sccs().annotation(scc_b).universe(); // Quick check: if scc_b's declared universe is a subset of // scc_a's declared universe (typically, both are ROOT), then // it cannot contain any problematic universe elements. - if universe_a.can_name(self.scc_universes[scc_b]) { + if universe_a.can_name(universe_b) { return true; } @@ -1033,7 +896,9 @@ impl<'tcx> RegionInferenceContext<'tcx> { debug!( "lower_bound = {:?} r_scc={:?} universe={:?}", - lower_bound, r_scc, self.scc_universes[r_scc] + lower_bound, + r_scc, + self.constraint_sccs.annotation(r_scc).universe() ); // If the type test requires that `T: 'a` where `'a` is a @@ -1321,7 +1186,7 @@ impl<'tcx> RegionInferenceContext<'tcx> { tcx.fold_regions(value, |r, _db| { let vid = self.to_region_vid(r); let scc = self.constraint_sccs.scc(vid); - let repr = self.scc_representatives[scc]; + let repr = self.scc_representative(scc); ty::Region::new_var(tcx, repr) }) } @@ -1547,6 +1412,9 @@ impl<'tcx> RegionInferenceContext<'tcx> { } } + fn scc_universe(&self, scc: ConstraintSccIndex) -> UniverseIndex { + self.constraint_sccs().annotation(scc).universe() + } /// Checks the final value for the free region `fr` to see if it /// grew too large. In particular, examine what `end(X)` points /// wound up in `fr`'s final value; for each `end(X)` where `X != @@ -1566,8 +1434,7 @@ impl<'tcx> RegionInferenceContext<'tcx> { // Because this free region must be in the ROOT universe, we // know it cannot contain any bound universes. - assert!(self.scc_universes[longer_fr_scc].is_root()); - debug_assert!(self.scc_values.placeholders_contained_in(longer_fr_scc).next().is_none()); + assert!(self.scc_universe(longer_fr_scc).is_root()); // Only check all of the relations for the main representative of each // SCC, otherwise just check that we outlive said representative. This @@ -1575,7 +1442,7 @@ impl<'tcx> RegionInferenceContext<'tcx> { // closures. // Note that the representative will be a universal region if there is // one in this SCC, so we will always check the representative here. - let representative = self.scc_representatives[longer_fr_scc]; + let representative = self.scc_representative(longer_fr_scc); if representative != longer_fr { if let RegionRelationCheckResult::Error = self.check_universal_region_relation( longer_fr, @@ -1776,36 +1643,27 @@ impl<'tcx> RegionInferenceContext<'tcx> { /// that cannot be named by `fr1`; in that case, we will require /// that `fr1: 'static` because it is the only way to `fr1: r` to /// be satisfied. (See `add_incompatible_universe`.) + #[instrument(skip(self), ret)] pub(crate) fn provides_universal_region( &self, r: RegionVid, fr1: RegionVid, fr2: RegionVid, ) -> bool { - debug!("provides_universal_region(r={:?}, fr1={:?}, fr2={:?})", r, fr1, fr2); - let result = { - r == fr2 || { - fr2 == self.universal_regions.fr_static && self.cannot_name_placeholder(fr1, r) - } - }; - debug!("provides_universal_region: result = {:?}", result); - result + let fr2_is_static = fr2 == self.universal_regions.fr_static; + r == fr2 || (fr2_is_static && self.cannot_name_placeholder(fr1, r)) } /// If `r2` represents a placeholder region, then this returns /// `true` if `r1` cannot name that placeholder in its /// value; otherwise, returns `false`. + #[instrument(skip(self), ret)] pub(crate) fn cannot_name_placeholder(&self, r1: RegionVid, r2: RegionVid) -> bool { - debug!("cannot_name_value_of(r1={:?}, r2={:?})", r1, r2); - match self.definitions[r2].origin { NllRegionVariableOrigin::Placeholder(placeholder) => { - let universe1 = self.definitions[r1].universe; - debug!( - "cannot_name_value_of: universe1={:?} placeholder={:?}", - universe1, placeholder - ); - universe1.cannot_name(placeholder.universe) + let r1_universe = self.definitions[r1].universe; + debug!(?placeholder, ?r1_universe); + r1_universe.cannot_name(placeholder.universe) } NllRegionVariableOrigin::FreeRegion | NllRegionVariableOrigin::Existential { .. } => { @@ -1835,6 +1693,7 @@ impl<'tcx> RegionInferenceContext<'tcx> { /// /// Returns: a series of constraints as well as the region `R` /// that passed the target test. + #[instrument(skip(self, target_test), ret)] pub(crate) fn find_constraint_paths_between_regions( &self, from_region: RegionVid, @@ -1932,7 +1791,7 @@ impl<'tcx> RegionInferenceContext<'tcx> { #[instrument(skip(self), level = "trace", ret)] pub(crate) fn find_sub_region_live_at(&self, fr1: RegionVid, location: Location) -> RegionVid { trace!(scc = ?self.constraint_sccs.scc(fr1)); - trace!(universe = ?self.scc_universes[self.constraint_sccs.scc(fr1)]); + trace!(universe = ?self.region_universe(fr1)); self.find_constraint_paths_between_regions(fr1, |r| { // First look for some `r` such that `fr1: r` and `r` is live at `location` trace!(?r, liveness_constraints=?self.liveness_constraints.pretty_print_live_points(r)); @@ -2252,8 +2111,8 @@ impl<'tcx> RegionInferenceContext<'tcx> { /// This can be used to quickly under-approximate the regions which are equal to each other /// and their relative orderings. // This is `pub` because it's used by unstable external borrowck data users, see `consumers.rs`. - pub fn constraint_sccs(&self) -> &Sccs { - self.constraint_sccs.as_ref() + pub fn constraint_sccs(&self) -> &ConstraintSccs { + &self.constraint_sccs } /// Access to the region graph, built from the outlives constraints. @@ -2282,6 +2141,12 @@ impl<'tcx> RegionInferenceContext<'tcx> { let point = self.liveness_constraints.point_from_location(location); self.liveness_constraints.is_loan_live_at(loan_idx, point) } + + /// Returns the representative `RegionVid` for a given SCC. + /// See `RegionTracker` for how a region variable ID is chosen. + fn scc_representative(&self, scc: ConstraintSccIndex) -> RegionVid { + self.constraint_sccs.annotation(scc).representative + } } impl<'tcx> RegionDefinition<'tcx> { @@ -2297,6 +2162,14 @@ impl<'tcx> RegionDefinition<'tcx> { Self { origin, universe, external_name: None } } + + pub fn is_placeholder(&self) -> bool { + matches!(self.origin, NllRegionVariableOrigin::Placeholder(_)) + } + + pub fn is_existential(&self) -> bool { + matches!(self.origin, NllRegionVariableOrigin::Existential { .. }) + } } #[derive(Clone, Debug)] diff --git a/compiler/rustc_borrowck/src/region_infer/opaque_types.rs b/compiler/rustc_borrowck/src/region_infer/opaque_types.rs index 06adb686ed48..51c3648d7307 100644 --- a/compiler/rustc_borrowck/src/region_infer/opaque_types.rs +++ b/compiler/rustc_borrowck/src/region_infer/opaque_types.rs @@ -85,7 +85,7 @@ impl<'tcx> RegionInferenceContext<'tcx> { // Use the SCC representative instead of directly using `region`. // See [rustc-dev-guide chapter] § "Strict lifetime equality". let scc = self.constraint_sccs.scc(region.as_var()); - let vid = self.scc_representatives[scc]; + let vid = self.scc_representative(scc); let named = match self.definitions[vid].origin { // Iterate over all universal regions in a consistent order and find the // *first* equal region. This makes sure that equal lifetimes will have @@ -213,7 +213,7 @@ impl<'tcx> RegionInferenceContext<'tcx> { let scc = self.constraint_sccs.scc(vid); // Special handling of higher-ranked regions. - if !self.scc_universes[scc].is_root() { + if !self.scc_universe(scc).is_root() { match self.scc_values.placeholders_contained_in(scc).enumerate().last() { // If the region contains a single placeholder then they're equal. Some((0, placeholder)) => { diff --git a/compiler/rustc_data_structures/src/graph/scc/mod.rs b/compiler/rustc_data_structures/src/graph/scc/mod.rs index 7f36e4ca16df..fb8d727d67ee 100644 --- a/compiler/rustc_data_structures/src/graph/scc/mod.rs +++ b/compiler/rustc_data_structures/src/graph/scc/mod.rs @@ -4,54 +4,111 @@ //! node in the graph. This uses [Tarjan's algorithm]( //! https://en.wikipedia.org/wiki/Tarjan%27s_strongly_connected_components_algorithm) //! that completes in *O*(*n*) time. +//! Optionally, also annotate the SCC nodes with some commutative data. +//! Typical examples would include: minimum element in SCC, maximum element +//! reachable from it, etc. use crate::fx::FxHashSet; use crate::graph::vec_graph::VecGraph; use crate::graph::{DirectedGraph, NumEdges, Successors}; use rustc_index::{Idx, IndexSlice, IndexVec}; +use std::fmt::Debug; use std::ops::Range; use tracing::{debug, instrument}; #[cfg(test)] mod tests; +/// An annotation for an SCC. This can be a representative, +/// or the max/min element of the SCC, or all of the above. +pub trait Annotation: Debug + Copy { + /// Merge two existing annotations into one during + /// path compression. + fn merge_scc(self, other: Self) -> Self; + + /// Merge a successor into this annotation. + fn merge_reached(self, other: Self) -> Self; + + fn update_scc(&mut self, other: Self) { + *self = self.merge_scc(other) + } + + fn update_reachable(&mut self, other: Self) { + *self = self.merge_reached(other) + } +} + +/// The empty annotation, which does nothing. +impl Annotation for () { + fn merge_reached(self, _other: Self) -> Self { + () + } + fn merge_scc(self, _other: Self) -> Self { + () + } +} + /// Strongly connected components (SCC) of a graph. The type `N` is /// the index type for the graph nodes and `S` is the index type for /// the SCCs. We can map from each node to the SCC that it /// participates in, and we also have the successors of each SCC. -pub struct Sccs { +pub struct Sccs { /// For each node, what is the SCC index of the SCC to which it /// belongs. scc_indices: IndexVec, - /// Data about each SCC. - scc_data: SccData, + /// Data about all the SCCs. + scc_data: SccData, } -pub struct SccData { - /// For each SCC, the range of `all_successors` where its +/// Information about an invidividual SCC node. +struct SccDetails { + /// For this SCC, the range of `all_successors` where its /// successors can be found. - ranges: IndexVec>, + range: Range, + + /// User-specified metadata about the SCC. + annotation: A, +} + +// The name of this struct should discourage you from making it public and leaking +// its representation. This message was left here by one who came before you, +// who learnt the hard way that making even small changes in representation is difficult when it's publicly inspectable. Obey the law of Demeter! +struct SccData { + /// Maps SCC indices to their metadata, including + /// offsets into `all_successors`. + scc_details: IndexVec>, /// Contains the successors for all the Sccs, concatenated. The /// range of indices corresponding to a given SCC is found in its - /// SccData. + /// `scc_details.range`. all_successors: Vec, } -impl Sccs { +impl Sccs { + /// Compute SCCs without annotations. pub fn new(graph: &impl Successors) -> Self { - SccsConstruction::construct(graph) + Self::new_with_annotation(graph, |_| ()) + } +} + +impl Sccs { + /// Compute SCCs and annotate them with a user-supplied annotation + pub fn new_with_annotation A>( + graph: &impl Successors, + to_annotation: F, + ) -> Self { + SccsConstruction::construct(graph, to_annotation) + } + + pub fn annotation(&self, scc: S) -> A { + self.scc_data.annotation(scc) } pub fn scc_indices(&self) -> &IndexSlice { &self.scc_indices } - pub fn scc_data(&self) -> &SccData { - &self.scc_data - } - /// Returns the number of SCCs in the graph. pub fn num_sccs(&self) -> usize { self.scc_data.len() @@ -90,7 +147,7 @@ impl Sccs { } } -impl DirectedGraph for Sccs { +impl DirectedGraph for Sccs { type Node = S; fn num_nodes(&self) -> usize { @@ -98,43 +155,33 @@ impl DirectedGraph for Sccs { } } -impl NumEdges for Sccs { +impl NumEdges for Sccs { fn num_edges(&self) -> usize { self.scc_data.all_successors.len() } } -impl Successors for Sccs { +impl Successors for Sccs { fn successors(&self, node: S) -> impl Iterator { self.successors(node).iter().cloned() } } -impl SccData { +impl SccData { /// Number of SCCs, fn len(&self) -> usize { - self.ranges.len() - } - - pub fn ranges(&self) -> &IndexSlice> { - &self.ranges - } - - pub fn all_successors(&self) -> &Vec { - &self.all_successors + self.scc_details.len() } /// Returns the successors of the given SCC. fn successors(&self, scc: S) -> &[S] { - // Annoyingly, `range` does not implement `Copy`, so we have - // to do `range.start..range.end`: - let range = &self.ranges[scc]; - &self.all_successors[range.start..range.end] + &self.all_successors[self.scc_details[scc].range.clone()] } /// Creates a new SCC with `successors` as its successors and + /// the maximum weight of its internal nodes `scc_max_weight` and /// returns the resulting index. - fn create_scc(&mut self, successors: impl IntoIterator) -> S { + fn create_scc(&mut self, successors: impl IntoIterator, annotation: A) -> S { // Store the successors on `scc_successors_vec`, remembering // the range of indices. let all_successors_start = self.all_successors.len(); @@ -142,22 +189,35 @@ impl SccData { let all_successors_end = self.all_successors.len(); debug!( - "create_scc({:?}) successors={:?}", - self.ranges.len(), + "create_scc({:?}) successors={:?}, annotation={:?}", + self.len(), &self.all_successors[all_successors_start..all_successors_end], + annotation ); - self.ranges.push(all_successors_start..all_successors_end) + let range = all_successors_start..all_successors_end; + let metadata = SccDetails { range, annotation }; + self.scc_details.push(metadata) + } + + fn annotation(&self, scc: S) -> A { + self.scc_details[scc].annotation } } -struct SccsConstruction<'c, G: DirectedGraph + Successors, S: Idx> { +struct SccsConstruction<'c, G, S, A, F> +where + G: DirectedGraph + Successors, + S: Idx, + A: Annotation, + F: Fn(G::Node) -> A, +{ graph: &'c G, /// The state of each node; used during walk to record the stack /// and after walk to record what cycle each node ended up being /// in. - node_states: IndexVec>, + node_states: IndexVec>, /// The stack of nodes that we are visiting as part of the DFS. node_stack: Vec, @@ -174,26 +234,34 @@ struct SccsConstruction<'c, G: DirectedGraph + Successors, S: Idx> { /// around between successors to amortize memory allocation costs. duplicate_set: FxHashSet, - scc_data: SccData, + scc_data: SccData, + + /// A function that constructs an initial SCC annotation + /// out of a single node. + to_annotation: F, } #[derive(Copy, Clone, Debug)] -enum NodeState { +enum NodeState { /// This node has not yet been visited as part of the DFS. /// /// After SCC construction is complete, this state ought to be /// impossible. NotVisited, - /// This node is currently being walk as part of our DFS. It is on - /// the stack at the depth `depth`. + /// This node is currently being walked as part of our DFS. It is on + /// the stack at the depth `depth` and the heaviest node on the way + /// there is `max_weigth_on_path`. /// /// After SCC construction is complete, this state ought to be /// impossible. - BeingVisited { depth: usize }, + BeingVisited { depth: usize, annotation: A }, - /// Indicates that this node is a member of the given cycle. - InCycle { scc_index: S }, + /// Indicates that this node is a member of the given cycle where + /// the weight of the heaviest node is `cycle_max_weight`. + /// Note that an SCC can have several cycles, so the max + /// weight of an SCC is the max weight of all its cycles. + InCycle { scc_index: S, annotation: A }, /// Indicates that this node is a member of whatever cycle /// `parent` is a member of. This state is transient: whenever we @@ -203,16 +271,27 @@ enum NodeState { InCycleWith { parent: N }, } +/// The state of walking a given node. #[derive(Copy, Clone, Debug)] -enum WalkReturn { - Cycle { min_depth: usize }, - Complete { scc_index: S }, +enum WalkReturn { + /// The walk found a cycle, but the entire component is not known to have + /// been fully walked yet. We only know the minimum depth of this + /// component in a minimum spanning tree of the graph. This component + /// is tentatively represented by the state of the first node of this + /// cycle we met, which is at `min_depth`. + Cycle { min_depth: usize, annotation: A }, + /// The SCC and everything reachable from it have been fully walked. + /// At this point we know what is inside the SCC as we have visited every + /// node reachable from it. The SCC can now be fully represented by its ID. + Complete { scc_index: S, annotation: A }, } -impl<'c, G, S> SccsConstruction<'c, G, S> +impl<'c, G, S, A, F> SccsConstruction<'c, G, S, A, F> where G: DirectedGraph + Successors, S: Idx, + F: Fn(G::Node) -> A, + A: Annotation, { /// Identifies SCCs in the graph `G` and computes the resulting /// DAG. This uses a variant of [Tarjan's @@ -225,8 +304,12 @@ where /// D' (i.e., D' < D), we know that N, N', and all nodes in /// between them on the stack are part of an SCC. /// + /// Additionally, we keep track of a representative of the SCC with the highest + /// reachable weight for all SCCs, for some arbitrary ordering function that assigns + /// a weight to nodes. + /// /// [wikipedia]: https://bit.ly/2EZIx84 - fn construct(graph: &'c G) -> Sccs { + fn construct(graph: &'c G, to_annotation: F) -> Sccs { let num_nodes = graph.num_nodes(); let mut this = Self { @@ -234,15 +317,16 @@ where node_states: IndexVec::from_elem_n(NodeState::NotVisited, num_nodes), node_stack: Vec::with_capacity(num_nodes), successors_stack: Vec::new(), - scc_data: SccData { ranges: IndexVec::new(), all_successors: Vec::new() }, + scc_data: SccData { scc_details: IndexVec::new(), all_successors: Vec::new() }, duplicate_set: FxHashSet::default(), + to_annotation, }; let scc_indices = (0..num_nodes) .map(G::Node::new) .map(|node| match this.start_walk_from(node) { - WalkReturn::Complete { scc_index } => scc_index, - WalkReturn::Cycle { min_depth } => { + WalkReturn::Complete { scc_index, .. } => scc_index, + WalkReturn::Cycle { min_depth, .. } => { panic!("`start_walk_node({node:?})` returned cycle with depth {min_depth:?}") } }) @@ -251,12 +335,8 @@ where Sccs { scc_indices, scc_data: this.scc_data } } - fn start_walk_from(&mut self, node: G::Node) -> WalkReturn { - if let Some(result) = self.inspect_node(node) { - result - } else { - self.walk_unvisited_node(node) - } + fn start_walk_from(&mut self, node: G::Node) -> WalkReturn { + self.inspect_node(node).unwrap_or_else(|| self.walk_unvisited_node(node)) } /// Inspect a node during the DFS. We first examine its current @@ -271,11 +351,15 @@ where /// Otherwise, we are looking at a node that has already been /// completely visited. We therefore return `WalkReturn::Complete` /// with its associated SCC index. - fn inspect_node(&mut self, node: G::Node) -> Option> { + fn inspect_node(&mut self, node: G::Node) -> Option> { Some(match self.find_state(node) { - NodeState::InCycle { scc_index } => WalkReturn::Complete { scc_index }, + NodeState::InCycle { scc_index, annotation } => { + WalkReturn::Complete { scc_index, annotation } + } - NodeState::BeingVisited { depth: min_depth } => WalkReturn::Cycle { min_depth }, + NodeState::BeingVisited { depth: min_depth, annotation } => { + WalkReturn::Cycle { min_depth, annotation } + } NodeState::NotVisited => return None, @@ -290,7 +374,7 @@ where /// of `r2` (and updates `r` to reflect current result). This is /// basically the "find" part of a standard union-find algorithm /// (with path compression). - fn find_state(&mut self, mut node: G::Node) -> NodeState { + fn find_state(&mut self, mut node: G::Node) -> NodeState { // To avoid recursion we temporarily reuse the `parent` of each // InCycleWith link to encode a downwards link while compressing // the path. After we have found the root or deepest node being @@ -306,24 +390,42 @@ where // found the initial self-loop. let mut previous_node = node; - // Ultimately assigned by the parent when following + // Ultimately propagated to all the transitive parents when following // `InCycleWith` upwards. - let node_state = loop { - debug!("find_state(r = {:?} in state {:?})", node, self.node_states[node]); - match self.node_states[node] { - NodeState::InCycle { scc_index } => break NodeState::InCycle { scc_index }, - NodeState::BeingVisited { depth } => break NodeState::BeingVisited { depth }, - NodeState::NotVisited => break NodeState::NotVisited, - NodeState::InCycleWith { parent } => { - // We test this, to be extremely sure that we never - // ever break our termination condition for the - // reverse iteration loop. - assert!(node != parent, "Node can not be in cycle with itself"); - // Store the previous node as an inverted list link - self.node_states[node] = NodeState::InCycleWith { parent: previous_node }; - // Update to parent node. - previous_node = node; - node = parent; + // This loop performs the downward link encoding mentioned above. Details below! + let node_state = { + let mut annotation = (self.to_annotation)(node); + + loop { + debug!("find_state(r = {node:?} in state {:?})", self.node_states[node]); + match self.node_states[node] { + NodeState::NotVisited => break NodeState::NotVisited, + NodeState::BeingVisited { depth, annotation: previous_annotation } => { + break NodeState::BeingVisited { + depth, + annotation: previous_annotation.merge_scc(annotation), + }; + } + NodeState::InCycleWith { parent } => { + // We test this, to be extremely sure that we never + // ever break our termination condition for the + // reverse iteration loop. + assert!(node != parent, "Node can not be in cycle with itself"); + + annotation = annotation.merge_scc((self.to_annotation)(node)); + + // Store the previous node as an inverted list link + self.node_states[node] = NodeState::InCycleWith { parent: previous_node }; + // Update to parent node. + previous_node = node; + node = parent; + } + NodeState::InCycle { scc_index, annotation: previous_annotation } => { + break NodeState::InCycle { + scc_index, + annotation: previous_annotation.merge_scc(annotation), + }; + } } } }; @@ -369,6 +471,8 @@ where if previous_node == node { return node_state; } + debug!("Compressing {node:?} down to {previous_node:?} with state {node_state:?}"); + // Update to previous node in the link. match self.node_states[previous_node] { NodeState::InCycleWith { parent: previous } => { @@ -381,29 +485,20 @@ where debug!("find_state: parent_state = {:?}", node_state); - // Update the node state from the parent state. The assigned - // state is actually a loop invariant but it will only be - // evaluated if there is at least one backlink to follow. - // Fully trusting llvm here to find this loop optimization. - match node_state { - // Path compression, make current node point to the same root. - NodeState::InCycle { .. } => { - self.node_states[node] = node_state; - } - // Still visiting nodes, compress to cycle to the node + let new_state = match node_state { + // Still visiting nodes, compress the cycle to the root node // at that depth. - NodeState::BeingVisited { depth } => { - self.node_states[node] = - NodeState::InCycleWith { parent: self.node_stack[depth] }; + NodeState::BeingVisited { depth, .. } => { + let parent = self.node_stack[depth]; + NodeState::InCycleWith { parent } } - // These are never allowed as parent nodes. InCycleWith - // should have been followed to a real parent and - // NotVisited can not be part of a cycle since it should - // have instead gotten explored. - NodeState::NotVisited | NodeState::InCycleWith { .. } => { - panic!("invalid parent state: {node_state:?}") - } - } + // Already fully visited; we just transfer the state of the parent. + s @ NodeState::InCycle { .. } => s, + // These cannot be the root nodes of a path being compressed + NodeState::NotVisited | NodeState::InCycleWith { .. } => unreachable!(), + }; + + self.node_states[node] = new_state; } } @@ -413,30 +508,37 @@ where /// caller decide avoids mutual recursion between the two methods and allows /// us to maintain an allocated stack for nodes on the path between calls. #[instrument(skip(self, initial), level = "debug")] - fn walk_unvisited_node(&mut self, initial: G::Node) -> WalkReturn { - struct VisitingNodeFrame { + fn walk_unvisited_node(&mut self, initial: G::Node) -> WalkReturn { + debug!("Walk unvisited node: {initial:?}"); + struct VisitingNodeFrame { node: G::Node, - iter: Option, + successors: Option, depth: usize, min_depth: usize, successors_len: usize, min_cycle_root: G::Node, successor_node: G::Node, + /// The annotation for the SCC starting in `node`. It may or may + /// not contain other nodes. + current_component_annotation: A, } // Move the stack to a local variable. We want to utilize the existing allocation and // mutably borrow it without borrowing self at the same time. let mut successors_stack = core::mem::take(&mut self.successors_stack); + debug_assert_eq!(successors_stack.len(), 0); - let mut stack: Vec> = vec![VisitingNodeFrame { + let mut stack: Vec> = vec![VisitingNodeFrame { node: initial, depth: 0, min_depth: 0, - iter: None, + successors: None, successors_len: 0, min_cycle_root: initial, successor_node: initial, + // Strictly speaking not necessary, but assumed to be idempotent: + current_component_annotation: (self.to_annotation)(initial), }]; let mut return_value = None; @@ -445,18 +547,24 @@ where let VisitingNodeFrame { node, depth, - iter, + successors, successors_len, min_depth, min_cycle_root, successor_node, + current_component_annotation, } = frame; - let node = *node; let depth = *depth; - let successors = match iter { - Some(iter) => iter, + // node is definitely in the current component, add it to the annotation. + current_component_annotation.update_scc((self.to_annotation)(node)); + debug!( + "Visiting {node:?} at depth {depth:?}, annotation: {current_component_annotation:?}" + ); + + let successors = match successors { + Some(successors) => successors, None => { // This None marks that we still have the initialize this node's frame. debug!(?depth, ?node); @@ -464,7 +572,8 @@ where debug_assert!(matches!(self.node_states[node], NodeState::NotVisited)); // Push `node` onto the stack. - self.node_states[node] = NodeState::BeingVisited { depth }; + self.node_states[node] = + NodeState::BeingVisited { depth, annotation: (self.to_annotation)(node) }; self.node_stack.push(node); // Walk each successor of the node, looking to see if any of @@ -472,11 +581,11 @@ where // so, that means they can also reach us. *successors_len = successors_stack.len(); // Set and return a reference, this is currently empty. - iter.get_or_insert(self.graph.successors(node)) + successors.get_or_insert(self.graph.successors(node)) } }; - // Now that iter is initialized, this is a constant for this frame. + // Now that the successors iterator is initialized, this is a constant for this frame. let successors_len = *successors_len; // Construct iterators for the nodes and walk results. There are two cases: @@ -489,10 +598,17 @@ where debug!(?node, ?successor_node); (successor_node, self.inspect_node(successor_node)) }); - for (successor_node, walk) in returned_walk.chain(successor_walk) { match walk { - Some(WalkReturn::Cycle { min_depth: successor_min_depth }) => { + // The starting node `node` leads to a cycle whose earliest node, + // `successor_node`, is at `min_depth`. There may be more cycles. + Some(WalkReturn::Cycle { + min_depth: successor_min_depth, + annotation: successor_annotation, + }) => { + debug!( + "Cycle found from {node:?}, minimum depth: {successor_min_depth:?}, annotation: {successor_annotation:?}" + ); // Track the minimum depth we can reach. assert!(successor_min_depth <= depth); if successor_min_depth < *min_depth { @@ -500,41 +616,56 @@ where *min_depth = successor_min_depth; *min_cycle_root = successor_node; } + current_component_annotation.update_scc(successor_annotation); } - - Some(WalkReturn::Complete { scc_index: successor_scc_index }) => { + // The starting node `node` is succeeded by a fully identified SCC + // which is now added to the set under `scc_index`. + Some(WalkReturn::Complete { + scc_index: successor_scc_index, + annotation: successor_annotation, + }) => { + debug!( + "Complete; {node:?} is root of complete-visited SCC idx {successor_scc_index:?} with annotation {successor_annotation:?}" + ); // Push the completed SCC indices onto // the `successors_stack` for later. debug!(?node, ?successor_scc_index); successors_stack.push(successor_scc_index); + current_component_annotation.update_reachable(successor_annotation); } - + // `node` has no more (direct) successors; search recursively. None => { let depth = depth + 1; + debug!("Recursing down into {successor_node:?} at depth {depth:?}"); debug!(?depth, ?successor_node); // Remember which node the return value will come from. frame.successor_node = successor_node; - // Start a new stack frame the step into it. + // Start a new stack frame, then step into it. stack.push(VisitingNodeFrame { node: successor_node, depth, - iter: None, + successors: None, successors_len: 0, min_depth: depth, min_cycle_root: successor_node, successor_node, + current_component_annotation: (self.to_annotation)(successor_node), }); continue 'recurse; } } } + debug!("Finished walk from {node:?} with annotation: {current_component_annotation:?}"); + // Completed walk, remove `node` from the stack. let r = self.node_stack.pop(); debug_assert_eq!(r, Some(node)); // Remove the frame, it's done. let frame = stack.pop().unwrap(); + let current_component_annotation = frame.current_component_annotation; + debug_assert_eq!(frame.node, node); // If `min_depth == depth`, then we are the root of the // cycle: we can't reach anyone further down the stack. @@ -543,6 +674,8 @@ where // We return one frame at a time so there can't be another return value. debug_assert!(return_value.is_none()); return_value = Some(if frame.min_depth == depth { + // We are at the head of the component. + // Note that successor stack may have duplicates, so we // want to remove those: let deduplicated_successors = { @@ -552,15 +685,25 @@ where .drain(successors_len..) .filter(move |&i| duplicate_set.insert(i)) }; - let scc_index = self.scc_data.create_scc(deduplicated_successors); - self.node_states[node] = NodeState::InCycle { scc_index }; - WalkReturn::Complete { scc_index } + + debug!("Creating SCC rooted in {node:?} with successor {:?}", frame.successor_node); + + let scc_index = + self.scc_data.create_scc(deduplicated_successors, current_component_annotation); + + self.node_states[node] = + NodeState::InCycle { scc_index, annotation: current_component_annotation }; + + WalkReturn::Complete { scc_index, annotation: current_component_annotation } } else { // We are not the head of the cycle. Return back to our // caller. They will take ownership of the // `self.successors` data that we pushed. self.node_states[node] = NodeState::InCycleWith { parent: frame.min_cycle_root }; - WalkReturn::Cycle { min_depth: frame.min_depth } + WalkReturn::Cycle { + min_depth: frame.min_depth, + annotation: current_component_annotation, + } }); } diff --git a/compiler/rustc_data_structures/src/graph/scc/tests.rs b/compiler/rustc_data_structures/src/graph/scc/tests.rs index 513df666d0da..373f87bfdbcf 100644 --- a/compiler/rustc_data_structures/src/graph/scc/tests.rs +++ b/compiler/rustc_data_structures/src/graph/scc/tests.rs @@ -3,10 +3,53 @@ extern crate test; use super::*; use crate::graph::tests::TestGraph; +#[derive(Copy, Clone, Debug)] +struct MaxReached(usize); +type UsizeSccs = Sccs; +type MaxReachedSccs = Sccs; + +impl Annotation for MaxReached { + fn merge_scc(self, other: Self) -> Self { + Self(std::cmp::max(other.0, self.0)) + } + + fn merge_reached(self, other: Self) -> Self { + self.merge_scc(other) + } +} + +impl PartialEq for MaxReached { + fn eq(&self, other: &usize) -> bool { + &self.0 == other + } +} + +impl MaxReached { + fn from_usize(nr: usize) -> Self { + Self(nr) + } +} + +#[derive(Copy, Clone, Debug)] +struct MinMaxIn { + min: usize, + max: usize, +} + +impl Annotation for MinMaxIn { + fn merge_scc(self, other: Self) -> Self { + Self { min: std::cmp::min(self.min, other.min), max: std::cmp::max(self.max, other.max) } + } + + fn merge_reached(self, _other: Self) -> Self { + self + } +} + #[test] fn diamond() { let graph = TestGraph::new(0, &[(0, 1), (0, 2), (1, 3), (2, 3)]); - let sccs: Sccs<_, usize> = Sccs::new(&graph); + let sccs: UsizeSccs = Sccs::new(&graph); assert_eq!(sccs.num_sccs(), 4); assert_eq!(sccs.num_sccs(), 4); } @@ -34,7 +77,7 @@ fn test_big_scc() { +-- 2 <--+ */ let graph = TestGraph::new(0, &[(0, 1), (1, 2), (1, 3), (2, 0), (3, 2)]); - let sccs: Sccs<_, usize> = Sccs::new(&graph); + let sccs: UsizeSccs = Sccs::new(&graph); assert_eq!(sccs.num_sccs(), 1); } @@ -50,7 +93,7 @@ fn test_three_sccs() { +-- 2 <--+ */ let graph = TestGraph::new(0, &[(0, 1), (1, 2), (2, 1), (3, 2)]); - let sccs: Sccs<_, usize> = Sccs::new(&graph); + let sccs: UsizeSccs = Sccs::new(&graph); assert_eq!(sccs.num_sccs(), 3); assert_eq!(sccs.scc(0), 1); assert_eq!(sccs.scc(1), 0); @@ -106,7 +149,7 @@ fn test_find_state_2() { // 2 InCycleWith { 1 } // 3 InCycleWith { 0 } - let sccs: Sccs<_, usize> = Sccs::new(&graph); + let sccs: UsizeSccs = Sccs::new(&graph); assert_eq!(sccs.num_sccs(), 1); assert_eq!(sccs.scc(0), 0); assert_eq!(sccs.scc(1), 0); @@ -130,7 +173,7 @@ fn test_find_state_3() { */ let graph = TestGraph::new(0, &[(0, 1), (0, 4), (1, 2), (1, 3), (2, 1), (3, 0), (4, 2), (5, 2)]); - let sccs: Sccs<_, usize> = Sccs::new(&graph); + let sccs: UsizeSccs = Sccs::new(&graph); assert_eq!(sccs.num_sccs(), 2); assert_eq!(sccs.scc(0), 0); assert_eq!(sccs.scc(1), 0); @@ -165,7 +208,7 @@ fn test_deep_linear() { nodes.push((i - 1, i)); } let graph = TestGraph::new(0, nodes.as_slice()); - let sccs: Sccs<_, usize> = Sccs::new(&graph); + let sccs: UsizeSccs = Sccs::new(&graph); assert_eq!(sccs.num_sccs(), NR_NODES); assert_eq!(sccs.scc(0), NR_NODES - 1); assert_eq!(sccs.scc(NR_NODES - 1), 0); @@ -210,7 +253,164 @@ fn bench_sccc(b: &mut test::Bencher) { graph[21] = (7, 4); let graph = TestGraph::new(0, &graph[..]); b.iter(|| { - let sccs: Sccs<_, usize> = Sccs::new(&graph); + let sccs: UsizeSccs = Sccs::new(&graph); assert_eq!(sccs.num_sccs(), 3); }); } + +#[test] +fn test_max_self_loop() { + let graph = TestGraph::new(0, &[(0, 0)]); + let sccs: MaxReachedSccs = + Sccs::new_with_annotation(&graph, |n| if n == 0 { MaxReached(17) } else { MaxReached(0) }); + assert_eq!(sccs.annotation(0), 17); +} + +#[test] +fn test_max_branch() { + let graph = TestGraph::new(0, &[(0, 1), (0, 2), (1, 3), (2, 4)]); + let sccs: MaxReachedSccs = Sccs::new_with_annotation(&graph, MaxReached::from_usize); + assert_eq!(sccs.annotation(sccs.scc(0)), 4); + assert_eq!(sccs.annotation(sccs.scc(1)), 3); + assert_eq!(sccs.annotation(sccs.scc(2)), 4); +} +#[test] +fn test_single_cycle_max() { + let graph = TestGraph::new(0, &[(0, 2), (2, 3), (2, 4), (4, 1), (1, 2)]); + let sccs: MaxReachedSccs = Sccs::new_with_annotation(&graph, MaxReached::from_usize); + assert_eq!(sccs.annotation(sccs.scc(2)), 4); + assert_eq!(sccs.annotation(sccs.scc(0)), 4); +} + +#[test] +fn test_simple_cycle_max() { + let graph = TestGraph::new(0, &[(0, 1), (1, 2), (2, 0)]); + let sccs: MaxReachedSccs = Sccs::new_with_annotation(&graph, MaxReached::from_usize); + assert_eq!(sccs.num_sccs(), 1); +} + +#[test] +fn test_double_cycle_max() { + let graph = + TestGraph::new(0, &[(0, 1), (1, 2), (1, 4), (2, 3), (2, 4), (3, 5), (4, 1), (5, 4)]); + let sccs: MaxReachedSccs = + Sccs::new_with_annotation(&graph, |n| if n == 5 { MaxReached(2) } else { MaxReached(1) }); + + assert_eq!(sccs.annotation(sccs.scc(0)).0, 2); +} + +#[test] +fn test_bug_minimised() { + let graph = TestGraph::new(0, &[(0, 3), (0, 1), (3, 2), (2, 3), (1, 4), (4, 5), (5, 4)]); + let sccs: MaxReachedSccs = Sccs::new_with_annotation(&graph, |n| match n { + 3 => MaxReached(1), + _ => MaxReached(0), + }); + assert_eq!(sccs.annotation(sccs.scc(2)), 1); + assert_eq!(sccs.annotation(sccs.scc(1)), 0); + assert_eq!(sccs.annotation(sccs.scc(4)), 0); +} + +#[test] +fn test_bug_max_leak_minimised() { + let graph = TestGraph::new(0, &[(0, 1), (0, 2), (1, 3), (3, 0), (3, 4), (4, 3)]); + let sccs: MaxReachedSccs = Sccs::new_with_annotation(&graph, |w| match w { + 4 => MaxReached(1), + _ => MaxReached(0), + }); + + assert_eq!(sccs.annotation(sccs.scc(2)), 0); + assert_eq!(sccs.annotation(sccs.scc(3)), 1); + assert_eq!(sccs.annotation(sccs.scc(0)), 1); +} + +#[test] +fn test_bug_max_leak() { + let graph = TestGraph::new( + 8, + &[ + (0, 0), + (0, 18), + (0, 19), + (0, 1), + (0, 2), + (0, 7), + (0, 8), + (0, 23), + (18, 0), + (18, 12), + (19, 0), + (19, 25), + (12, 18), + (12, 3), + (12, 5), + (3, 12), + (3, 21), + (3, 22), + (5, 13), + (21, 3), + (22, 3), + (13, 5), + (13, 4), + (4, 13), + (4, 0), + (2, 11), + (7, 6), + (6, 20), + (20, 6), + (8, 17), + (17, 9), + (9, 16), + (16, 26), + (26, 15), + (15, 10), + (10, 14), + (14, 27), + (23, 24), + ], + ); + let sccs: MaxReachedSccs = Sccs::new_with_annotation(&graph, |w| match w { + 22 => MaxReached(1), + 24 => MaxReached(2), + 27 => MaxReached(2), + _ => MaxReached(0), + }); + + assert_eq!(sccs.annotation(sccs.scc(2)), 0); + assert_eq!(sccs.annotation(sccs.scc(7)), 0); + assert_eq!(sccs.annotation(sccs.scc(8)), 2); + assert_eq!(sccs.annotation(sccs.scc(23)), 2); + assert_eq!(sccs.annotation(sccs.scc(3)), 2); + assert_eq!(sccs.annotation(sccs.scc(0)), 2); +} + +#[test] +fn test_bug_max_zero_stick_shape() { + let graph = TestGraph::new(0, &[(0, 1), (1, 2), (2, 3), (3, 2), (3, 4)]); + + let sccs: MaxReachedSccs = Sccs::new_with_annotation(&graph, |w| match w { + 4 => MaxReached(1), + _ => MaxReached(0), + }); + + assert_eq!(sccs.annotation(sccs.scc(0)), 1); + assert_eq!(sccs.annotation(sccs.scc(1)), 1); + assert_eq!(sccs.annotation(sccs.scc(2)), 1); + assert_eq!(sccs.annotation(sccs.scc(3)), 1); + assert_eq!(sccs.annotation(sccs.scc(4)), 1); +} + +#[test] +fn test_min_max_in() { + let graph = TestGraph::new(0, &[(0, 1), (0, 2), (1, 3), (3, 0), (3, 4), (4, 3), (3, 5)]); + let sccs: Sccs = + Sccs::new_with_annotation(&graph, |w| MinMaxIn { min: w, max: w }); + + assert_eq!(sccs.annotation(sccs.scc(2)).min, 2); + assert_eq!(sccs.annotation(sccs.scc(2)).max, 2); + assert_eq!(sccs.annotation(sccs.scc(0)).min, 0); + assert_eq!(sccs.annotation(sccs.scc(0)).max, 4); + assert_eq!(sccs.annotation(sccs.scc(3)).min, 0); + assert_eq!(sccs.annotation(sccs.scc(3)).max, 4); + assert_eq!(sccs.annotation(sccs.scc(5)).min, 5); +} diff --git a/compiler/rustc_infer/src/infer/region_constraints/leak_check.rs b/compiler/rustc_infer/src/infer/region_constraints/leak_check.rs index 5b159d627312..89b3dfc46f7c 100644 --- a/compiler/rustc_infer/src/infer/region_constraints/leak_check.rs +++ b/compiler/rustc_infer/src/infer/region_constraints/leak_check.rs @@ -360,7 +360,7 @@ struct MiniGraph<'tcx> { /// Map from node index to SCC, and stores the successors of each SCC. All /// the regions in the same SCC are equal to one another, and if `S1 -> S2`, /// then `S1: S2`. - sccs: Sccs, + sccs: Sccs, } impl<'tcx> MiniGraph<'tcx> { From d2a01760bcc82302464632e38d2108e06c2a8dd9 Mon Sep 17 00:00:00 2001 From: Amanda Stjerna Date: Mon, 13 May 2024 14:02:14 +0200 Subject: [PATCH 1401/1716] Documentation fixes --- .../rustc_data_structures/src/graph/scc/mod.rs | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/compiler/rustc_data_structures/src/graph/scc/mod.rs b/compiler/rustc_data_structures/src/graph/scc/mod.rs index fb8d727d67ee..68a055553a1a 100644 --- a/compiler/rustc_data_structures/src/graph/scc/mod.rs +++ b/compiler/rustc_data_structures/src/graph/scc/mod.rs @@ -250,17 +250,17 @@ enum NodeState { NotVisited, /// This node is currently being walked as part of our DFS. It is on - /// the stack at the depth `depth` and the heaviest node on the way - /// there is `max_weigth_on_path`. + /// the stack at the depth `depth` and its current annotation is + /// `annotation`. /// /// After SCC construction is complete, this state ought to be /// impossible. BeingVisited { depth: usize, annotation: A }, /// Indicates that this node is a member of the given cycle where - /// the weight of the heaviest node is `cycle_max_weight`. - /// Note that an SCC can have several cycles, so the max - /// weight of an SCC is the max weight of all its cycles. + /// the merged annotation is `annotation`. + /// Note that an SCC can have several cycles, so its final annotation + /// is the merged value of all its member annotations. InCycle { scc_index: S, annotation: A }, /// Indicates that this node is a member of whatever cycle @@ -304,9 +304,8 @@ where /// D' (i.e., D' < D), we know that N, N', and all nodes in /// between them on the stack are part of an SCC. /// - /// Additionally, we keep track of a representative of the SCC with the highest - /// reachable weight for all SCCs, for some arbitrary ordering function that assigns - /// a weight to nodes. + /// Additionally, we keep track of a representative annotation of the + /// SCC. /// /// [wikipedia]: https://bit.ly/2EZIx84 fn construct(graph: &'c G, to_annotation: F) -> Sccs { From 905db03b2869d6c53893ccddd84d8b2fd3c48273 Mon Sep 17 00:00:00 2001 From: Amanda Stjerna Date: Fri, 17 May 2024 15:11:59 +0200 Subject: [PATCH 1402/1716] Simplify path compression logic --- .../rustc_borrowck/src/constraints/mod.rs | 13 ++++++++++--- .../rustc_borrowck/src/region_infer/mod.rs | 2 ++ .../src/graph/scc/mod.rs | 19 ++----------------- 3 files changed, 14 insertions(+), 20 deletions(-) diff --git a/compiler/rustc_borrowck/src/constraints/mod.rs b/compiler/rustc_borrowck/src/constraints/mod.rs index b1d6fd89e279..ecb05eb09a47 100644 --- a/compiler/rustc_borrowck/src/constraints/mod.rs +++ b/compiler/rustc_borrowck/src/constraints/mod.rs @@ -62,15 +62,22 @@ impl scc::Annotation for RegionTracker { impl RegionTracker { pub fn new(rvid: RegionVid, definition: &RegionDefinition<'_>) -> Self { + let (representative_is_placeholder, representative_is_existential) = match definition.origin { + rustc_infer::infer::NllRegionVariableOrigin::FreeRegion => (false, false), + rustc_infer::infer::NllRegionVariableOrigin::Placeholder(_) => (true, false), + rustc_infer::infer::NllRegionVariableOrigin::Existential { .. } => (false, true), + }; + let placeholder_universe = - if definition.is_placeholder() { definition.universe } else { UniverseIndex::ROOT }; + if representative_is_placeholder { definition.universe } else { UniverseIndex::ROOT }; + Self { max_placeholder_universe_reached: placeholder_universe, min_reachable_universe: definition.universe, representative: rvid, - representative_is_placeholder: definition.is_placeholder(), - representative_is_existential: definition.is_existential(), + representative_is_placeholder, + representative_is_existential, } } pub fn universe(self) -> UniverseIndex { diff --git a/compiler/rustc_borrowck/src/region_infer/mod.rs b/compiler/rustc_borrowck/src/region_infer/mod.rs index b2a91a58e5c0..2f387e345ed2 100644 --- a/compiler/rustc_borrowck/src/region_infer/mod.rs +++ b/compiler/rustc_borrowck/src/region_infer/mod.rs @@ -2163,10 +2163,12 @@ impl<'tcx> RegionDefinition<'tcx> { Self { origin, universe, external_name: None } } + #[inline(always)] pub fn is_placeholder(&self) -> bool { matches!(self.origin, NllRegionVariableOrigin::Placeholder(_)) } + #[inline(always)] pub fn is_existential(&self) -> bool { matches!(self.origin, NllRegionVariableOrigin::Existential { .. }) } diff --git a/compiler/rustc_data_structures/src/graph/scc/mod.rs b/compiler/rustc_data_structures/src/graph/scc/mod.rs index 68a055553a1a..1426aa2baa43 100644 --- a/compiler/rustc_data_structures/src/graph/scc/mod.rs +++ b/compiler/rustc_data_structures/src/graph/scc/mod.rs @@ -393,38 +393,23 @@ where // `InCycleWith` upwards. // This loop performs the downward link encoding mentioned above. Details below! let node_state = { - let mut annotation = (self.to_annotation)(node); - loop { debug!("find_state(r = {node:?} in state {:?})", self.node_states[node]); match self.node_states[node] { - NodeState::NotVisited => break NodeState::NotVisited, - NodeState::BeingVisited { depth, annotation: previous_annotation } => { - break NodeState::BeingVisited { - depth, - annotation: previous_annotation.merge_scc(annotation), - }; - } + s @ (NodeState::NotVisited | NodeState::BeingVisited{..} | NodeState::InCycle { .. }) => break s, NodeState::InCycleWith { parent } => { // We test this, to be extremely sure that we never // ever break our termination condition for the // reverse iteration loop. assert!(node != parent, "Node can not be in cycle with itself"); - annotation = annotation.merge_scc((self.to_annotation)(node)); - // Store the previous node as an inverted list link self.node_states[node] = NodeState::InCycleWith { parent: previous_node }; // Update to parent node. previous_node = node; node = parent; } - NodeState::InCycle { scc_index, annotation: previous_annotation } => { - break NodeState::InCycle { - scc_index, - annotation: previous_annotation.merge_scc(annotation), - }; - } + } } }; From 582c613be80f7b308972290773b23cac39c4b7d7 Mon Sep 17 00:00:00 2001 From: Amanda Stjerna Date: Fri, 17 May 2024 15:12:31 +0200 Subject: [PATCH 1403/1716] Formatting, weird because I just did that --- compiler/rustc_borrowck/src/constraints/mod.rs | 4 ++-- compiler/rustc_data_structures/src/graph/scc/mod.rs | 5 +++-- 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/compiler/rustc_borrowck/src/constraints/mod.rs b/compiler/rustc_borrowck/src/constraints/mod.rs index ecb05eb09a47..111a62aa6af8 100644 --- a/compiler/rustc_borrowck/src/constraints/mod.rs +++ b/compiler/rustc_borrowck/src/constraints/mod.rs @@ -62,7 +62,8 @@ impl scc::Annotation for RegionTracker { impl RegionTracker { pub fn new(rvid: RegionVid, definition: &RegionDefinition<'_>) -> Self { - let (representative_is_placeholder, representative_is_existential) = match definition.origin { + let (representative_is_placeholder, representative_is_existential) = match definition.origin + { rustc_infer::infer::NllRegionVariableOrigin::FreeRegion => (false, false), rustc_infer::infer::NllRegionVariableOrigin::Placeholder(_) => (true, false), rustc_infer::infer::NllRegionVariableOrigin::Existential { .. } => (false, true), @@ -71,7 +72,6 @@ impl RegionTracker { let placeholder_universe = if representative_is_placeholder { definition.universe } else { UniverseIndex::ROOT }; - Self { max_placeholder_universe_reached: placeholder_universe, min_reachable_universe: definition.universe, diff --git a/compiler/rustc_data_structures/src/graph/scc/mod.rs b/compiler/rustc_data_structures/src/graph/scc/mod.rs index 1426aa2baa43..e7ec2f975053 100644 --- a/compiler/rustc_data_structures/src/graph/scc/mod.rs +++ b/compiler/rustc_data_structures/src/graph/scc/mod.rs @@ -396,7 +396,9 @@ where loop { debug!("find_state(r = {node:?} in state {:?})", self.node_states[node]); match self.node_states[node] { - s @ (NodeState::NotVisited | NodeState::BeingVisited{..} | NodeState::InCycle { .. }) => break s, + s @ (NodeState::NotVisited + | NodeState::BeingVisited { .. } + | NodeState::InCycle { .. }) => break s, NodeState::InCycleWith { parent } => { // We test this, to be extremely sure that we never // ever break our termination condition for the @@ -409,7 +411,6 @@ where previous_node = node; node = parent; } - } } }; From 14c10ec88e3766868b9fe94458385fad3c3f8a7e Mon Sep 17 00:00:00 2001 From: Amanda Stjerna Date: Fri, 17 May 2024 16:55:38 +0200 Subject: [PATCH 1404/1716] Docstring for for `Annotation` Note that this changes no executing code. The change is 100% in documentation. --- .../rustc_data_structures/src/graph/scc/mod.rs | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/compiler/rustc_data_structures/src/graph/scc/mod.rs b/compiler/rustc_data_structures/src/graph/scc/mod.rs index e7ec2f975053..5fb99e7ada4c 100644 --- a/compiler/rustc_data_structures/src/graph/scc/mod.rs +++ b/compiler/rustc_data_structures/src/graph/scc/mod.rs @@ -20,10 +20,20 @@ use tracing::{debug, instrument}; mod tests; /// An annotation for an SCC. This can be a representative, -/// or the max/min element of the SCC, or all of the above. +/// the max/min element of the SCC, or all of the above. +/// +/// Concretely, the following properties must hold (where `merge` +/// is `merge_scc` and `merge_reached`): +/// - idempotency: `a.merge(a) = a` +/// - commutativity: `a.merge(b) = b.merge(a)` +/// +/// This is rather limiting and precludes, for example, counting. +/// In general, what you want is probably always min/max according +/// to some ordering, potentially with side constraints (min x such +/// that P holds). pub trait Annotation: Debug + Copy { /// Merge two existing annotations into one during - /// path compression. + /// path compression.o fn merge_scc(self, other: Self) -> Self; /// Merge a successor into this annotation. From b1add7bc046bce3dd1d31175486d160d8af52674 Mon Sep 17 00:00:00 2001 From: Amanda Stjerna Date: Mon, 20 May 2024 13:01:35 +0200 Subject: [PATCH 1405/1716] Slightly faster version of `find_state` This version shaves off ca 2% of the cycles in my experiments and makes the control flow easier to follow for me and hopefully others, including the compiler. Someone gave me a working profiler and by God I'm using it. --- .../src/graph/scc/mod.rs | 51 ++++++++++--------- 1 file changed, 27 insertions(+), 24 deletions(-) diff --git a/compiler/rustc_data_structures/src/graph/scc/mod.rs b/compiler/rustc_data_structures/src/graph/scc/mod.rs index 5fb99e7ada4c..2ce155bb316b 100644 --- a/compiler/rustc_data_structures/src/graph/scc/mod.rs +++ b/compiler/rustc_data_structures/src/graph/scc/mod.rs @@ -402,13 +402,25 @@ where // Ultimately propagated to all the transitive parents when following // `InCycleWith` upwards. // This loop performs the downward link encoding mentioned above. Details below! - let node_state = { + // Note that there are two different states being assigned: the root state, and + // a potentially derived version of the root state for non-root nodes in the chain. + let (root_state, assigned_state) = { loop { debug!("find_state(r = {node:?} in state {:?})", self.node_states[node]); match self.node_states[node] { - s @ (NodeState::NotVisited - | NodeState::BeingVisited { .. } - | NodeState::InCycle { .. }) => break s, + // This must have been the first and only state since it is unexplored*; + // no update needed! * Unless there is a bug :') + s @ NodeState::NotVisited => return s, + // We are in a completely discovered SCC; every node on our path is in that SCC: + s @ NodeState::InCycle { .. } => break (s, s), + // The Interesting Third Base Case: we are a path back to a root node + // still being explored. Now we need that node to keep its state and + // every other node to be recorded as being in whatever component that + // ends up in. + s @ NodeState::BeingVisited { depth, .. } => { + break (s, NodeState::InCycleWith { parent: self.node_stack[depth] }); + } + // We are not at the head of a path; keep compressing it! NodeState::InCycleWith { parent } => { // We test this, to be extremely sure that we never // ever break our termination condition for the @@ -462,11 +474,13 @@ where // Move backwards until we found the node where we started. We // will know when we hit the state where previous_node == node. loop { - // Back at the beginning, we can return. + // Back at the beginning, we can return. Note that we return the root state. + // This is becuse for components being explored, we would otherwise get a + // `node_state[n] = InCycleWith{ parent: n }` and that's wrong. if previous_node == node { - return node_state; + return root_state; } - debug!("Compressing {node:?} down to {previous_node:?} with state {node_state:?}"); + debug!("Compressing {node:?} down to {previous_node:?} with state {assigned_state:?}"); // Update to previous node in the link. match self.node_states[previous_node] { @@ -475,25 +489,14 @@ where previous_node = previous; } // Only InCycleWith nodes were added to the reverse linked list. - other => panic!("Invalid previous link while compressing cycle: {other:?}"), + other => unreachable!("Invalid previous link while compressing cycle: {other:?}"), } - debug!("find_state: parent_state = {:?}", node_state); - - let new_state = match node_state { - // Still visiting nodes, compress the cycle to the root node - // at that depth. - NodeState::BeingVisited { depth, .. } => { - let parent = self.node_stack[depth]; - NodeState::InCycleWith { parent } - } - // Already fully visited; we just transfer the state of the parent. - s @ NodeState::InCycle { .. } => s, - // These cannot be the root nodes of a path being compressed - NodeState::NotVisited | NodeState::InCycleWith { .. } => unreachable!(), - }; - - self.node_states[node] = new_state; + // Update the node state to the (potentially derived) state. + // If the root is still being explored, this is + // `InCycleWith{ parent: }`, otherwise + // `assigned_state == root_state`. + self.node_states[node] = assigned_state; } } From aee846224cfaf6679acbf30986e6d2bb0de769ea Mon Sep 17 00:00:00 2001 From: Amanda Stjerna Date: Mon, 20 May 2024 13:25:55 +0200 Subject: [PATCH 1406/1716] Remove a few unnecessary constructions This shaves off ca 6% of the cycles in `start_walk_from()` in my experiments. --- compiler/rustc_data_structures/src/graph/scc/mod.rs | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/compiler/rustc_data_structures/src/graph/scc/mod.rs b/compiler/rustc_data_structures/src/graph/scc/mod.rs index 2ce155bb316b..22b029c2bd40 100644 --- a/compiler/rustc_data_structures/src/graph/scc/mod.rs +++ b/compiler/rustc_data_structures/src/graph/scc/mod.rs @@ -535,7 +535,6 @@ where successors_len: 0, min_cycle_root: initial, successor_node: initial, - // Strictly speaking not necessary, but assumed to be idempotent: current_component_annotation: (self.to_annotation)(initial), }]; @@ -556,7 +555,9 @@ where let depth = *depth; // node is definitely in the current component, add it to the annotation. - current_component_annotation.update_scc((self.to_annotation)(node)); + if node != initial { + current_component_annotation.update_scc((self.to_annotation)(node)); + } debug!( "Visiting {node:?} at depth {depth:?}, annotation: {current_component_annotation:?}" ); @@ -570,8 +571,10 @@ where debug_assert!(matches!(self.node_states[node], NodeState::NotVisited)); // Push `node` onto the stack. - self.node_states[node] = - NodeState::BeingVisited { depth, annotation: (self.to_annotation)(node) }; + self.node_states[node] = NodeState::BeingVisited { + depth, + annotation: *current_component_annotation, + }; self.node_stack.push(node); // Walk each successor of the node, looking to see if any of From 7782d2023bd3fbaf28f4ecc66d51bb33b1e18491 Mon Sep 17 00:00:00 2001 From: Amanda Stjerna Date: Tue, 21 May 2024 10:18:44 +0200 Subject: [PATCH 1407/1716] Roll back a few `#[instrument]` Apparently this interferes with inlining and murders performance on `wg-grammar`. --- .../rustc_borrowck/src/region_infer/mod.rs | 27 +++++++++---------- 1 file changed, 12 insertions(+), 15 deletions(-) diff --git a/compiler/rustc_borrowck/src/region_infer/mod.rs b/compiler/rustc_borrowck/src/region_infer/mod.rs index 2f387e345ed2..91dbbfb49738 100644 --- a/compiler/rustc_borrowck/src/region_infer/mod.rs +++ b/compiler/rustc_borrowck/src/region_infer/mod.rs @@ -1643,26 +1643,33 @@ impl<'tcx> RegionInferenceContext<'tcx> { /// that cannot be named by `fr1`; in that case, we will require /// that `fr1: 'static` because it is the only way to `fr1: r` to /// be satisfied. (See `add_incompatible_universe`.) - #[instrument(skip(self), ret)] pub(crate) fn provides_universal_region( &self, r: RegionVid, fr1: RegionVid, fr2: RegionVid, ) -> bool { - let fr2_is_static = fr2 == self.universal_regions.fr_static; - r == fr2 || (fr2_is_static && self.cannot_name_placeholder(fr1, r)) + debug!("provides_universal_region(r={:?}, fr1={:?}, fr2={:?})", r, fr1, fr2); + let result = { + r == fr2 || { + fr2 == self.universal_regions.fr_static && self.cannot_name_placeholder(fr1, r) + } + }; + debug!("provides_universal_region: result = {:?}", result); + result } /// If `r2` represents a placeholder region, then this returns /// `true` if `r1` cannot name that placeholder in its /// value; otherwise, returns `false`. - #[instrument(skip(self), ret)] pub(crate) fn cannot_name_placeholder(&self, r1: RegionVid, r2: RegionVid) -> bool { match self.definitions[r2].origin { NllRegionVariableOrigin::Placeholder(placeholder) => { let r1_universe = self.definitions[r1].universe; - debug!(?placeholder, ?r1_universe); + debug!( + "cannot_name_value_of: universe1={r1_universe:?} placeholder={:?}", + placeholder + ); r1_universe.cannot_name(placeholder.universe) } @@ -2162,16 +2169,6 @@ impl<'tcx> RegionDefinition<'tcx> { Self { origin, universe, external_name: None } } - - #[inline(always)] - pub fn is_placeholder(&self) -> bool { - matches!(self.origin, NllRegionVariableOrigin::Placeholder(_)) - } - - #[inline(always)] - pub fn is_existential(&self) -> bool { - matches!(self.origin, NllRegionVariableOrigin::Existential { .. }) - } } #[derive(Clone, Debug)] From e6eb63d4b9c384296233ec46c37a7ffebe526ea3 Mon Sep 17 00:00:00 2001 From: Amanda Stjerna Date: Tue, 21 May 2024 10:42:36 +0200 Subject: [PATCH 1408/1716] Resurrect some comments, remove a `pub` This commit addresses @lqd's code review and resurrects a lost comment and removes some dead code. --- .../rustc_borrowck/src/region_infer/mod.rs | 43 ++++++++++++++++++- 1 file changed, 42 insertions(+), 1 deletion(-) diff --git a/compiler/rustc_borrowck/src/region_infer/mod.rs b/compiler/rustc_borrowck/src/region_infer/mod.rs index 91dbbfb49738..6f2fe8bddb2d 100644 --- a/compiler/rustc_borrowck/src/region_infer/mod.rs +++ b/compiler/rustc_borrowck/src/region_infer/mod.rs @@ -72,7 +72,7 @@ pub struct RegionInferenceContext<'tcx> { /// The SCC computed from `constraints` and the constraint /// graph. We have an edge from SCC A to SCC B if `A: B`. Used to /// compute the values of each region. - pub constraint_sccs: Rc, + constraint_sccs: Rc, /// Reverse of the SCC constraint graph -- i.e., an edge `A -> B` exists if /// `B: A`. This is used to compute the universal regions that are required @@ -397,6 +397,39 @@ impl<'tcx> RegionInferenceContext<'tcx> { /// and (b) any universally quantified regions that it outlives, /// which in this case is just itself. R1 (`'b`) in contrast also /// outlives `'a` and hence contains R0 and R1. + /// + /// This bit of logic also handles invalid universe relations + /// for higher-kinded types. + /// + // We Walk each SCC `A` and `B` such that `A: B` + // and ensure that universe(A) can see universe(B). + // + // This serves to enforce the 'empty/placeholder' hierarchy + // (described in more detail on `RegionKind`): + // + // ``` + // static -----+ + // | | + // empty(U0) placeholder(U1) + // | / + // empty(U1) + // ``` + // + // In particular, imagine we have variables R0 in U0 and R1 + // created in U1, and constraints like this; + // + // ``` + // R1: !1 // R1 outlives the placeholder in U1 + // R1: R0 // R1 outlives R0 + // ``` + // + // Here, we wish for R1 to be `'static`, because it + // cannot outlive `placeholder(U1)` and `empty(U0)` any other way. + // + // Thanks to this loop, what happens is that the `R1: R0` + // constraint has lowered the universe of `R1` to `U0`, which in turn + // means that the `R1: !1` constraint here will cause + // `R1` to become `'static`. fn init_free_and_bound_regions(&mut self) { // Update the names (if any) // This iterator has unstable order but we collect it all into an IndexVec @@ -1412,6 +1445,8 @@ impl<'tcx> RegionInferenceContext<'tcx> { } } + /// The minimum universe of any variable reachable from this + /// SCC, inside or outside of it. fn scc_universe(&self, scc: ConstraintSccIndex) -> UniverseIndex { self.constraint_sccs().annotation(scc).universe() } @@ -2151,6 +2186,12 @@ impl<'tcx> RegionInferenceContext<'tcx> { /// Returns the representative `RegionVid` for a given SCC. /// See `RegionTracker` for how a region variable ID is chosen. + /// + /// It is a hacky way to manage checking regions for equality, + /// since we can 'canonicalize' each region to the representative + /// of its SCC and be sure that -- if they have the same repr -- + /// they *must* be equal (though not having the same repr does not + /// mean they are unequal). fn scc_representative(&self, scc: ConstraintSccIndex) -> RegionVid { self.constraint_sccs.annotation(scc).representative } From 3bdcb9d4368c2404955499c0e66c991a706ca4a4 Mon Sep 17 00:00:00 2001 From: Amanda Stjerna Date: Tue, 21 May 2024 10:57:32 +0200 Subject: [PATCH 1409/1716] Revise documentation after @lqd's comments --- compiler/rustc_data_structures/src/graph/scc/mod.rs | 12 ++++-------- .../src/infer/region_constraints/leak_check.rs | 2 +- 2 files changed, 5 insertions(+), 9 deletions(-) diff --git a/compiler/rustc_data_structures/src/graph/scc/mod.rs b/compiler/rustc_data_structures/src/graph/scc/mod.rs index 22b029c2bd40..40d1d8d11d31 100644 --- a/compiler/rustc_data_structures/src/graph/scc/mod.rs +++ b/compiler/rustc_data_structures/src/graph/scc/mod.rs @@ -22,12 +22,9 @@ mod tests; /// An annotation for an SCC. This can be a representative, /// the max/min element of the SCC, or all of the above. /// -/// Concretely, the following properties must hold (where `merge` -/// is `merge_scc` and `merge_reached`): -/// - idempotency: `a.merge(a) = a` -/// - commutativity: `a.merge(b) = b.merge(a)` +/// Concretely, the both merge operations must commute, e.g. where `merge` +/// is `merge_scc` and `merge_reached`: `a.merge(b) == b.merge(a)` /// -/// This is rather limiting and precludes, for example, counting. /// In general, what you want is probably always min/max according /// to some ordering, potentially with side constraints (min x such /// that P holds). @@ -62,7 +59,7 @@ impl Annotation for () { /// the index type for the graph nodes and `S` is the index type for /// the SCCs. We can map from each node to the SCC that it /// participates in, and we also have the successors of each SCC. -pub struct Sccs { +pub struct Sccs { /// For each node, what is the SCC index of the SCC to which it /// belongs. scc_indices: IndexVec, @@ -314,8 +311,7 @@ where /// D' (i.e., D' < D), we know that N, N', and all nodes in /// between them on the stack are part of an SCC. /// - /// Additionally, we keep track of a representative annotation of the - /// SCC. + /// Additionally, we keep track of a current annotation of the SCC. /// /// [wikipedia]: https://bit.ly/2EZIx84 fn construct(graph: &'c G, to_annotation: F) -> Sccs { diff --git a/compiler/rustc_infer/src/infer/region_constraints/leak_check.rs b/compiler/rustc_infer/src/infer/region_constraints/leak_check.rs index 89b3dfc46f7c..5b159d627312 100644 --- a/compiler/rustc_infer/src/infer/region_constraints/leak_check.rs +++ b/compiler/rustc_infer/src/infer/region_constraints/leak_check.rs @@ -360,7 +360,7 @@ struct MiniGraph<'tcx> { /// Map from node index to SCC, and stores the successors of each SCC. All /// the regions in the same SCC are equal to one another, and if `S1 -> S2`, /// then `S1: S2`. - sccs: Sccs, + sccs: Sccs, } impl<'tcx> MiniGraph<'tcx> { From 2e1e119ba1189eeff2d76ed84248845f06fef1f8 Mon Sep 17 00:00:00 2001 From: Amanda Stjerna Date: Tue, 21 May 2024 16:57:00 +0200 Subject: [PATCH 1410/1716] Move `RegionTracker` to `region_infer` In terms of code organisation, this is a lot cleaner and allows tighter access modifiers. --- .../rustc_borrowck/src/constraints/mod.rs | 95 +------------------ .../rustc_borrowck/src/region_infer/mod.rs | 93 +++++++++++++++++- 2 files changed, 93 insertions(+), 95 deletions(-) diff --git a/compiler/rustc_borrowck/src/constraints/mod.rs b/compiler/rustc_borrowck/src/constraints/mod.rs index 111a62aa6af8..b54e05b2b34a 100644 --- a/compiler/rustc_borrowck/src/constraints/mod.rs +++ b/compiler/rustc_borrowck/src/constraints/mod.rs @@ -1,106 +1,13 @@ -use crate::region_infer::RegionDefinition; use crate::type_check::Locations; -use rustc_data_structures::graph::scc::{self, Sccs}; use rustc_index::{IndexSlice, IndexVec}; use rustc_middle::mir::ConstraintCategory; -use rustc_middle::ty::{RegionVid, TyCtxt, UniverseIndex, VarianceDiagInfo}; +use rustc_middle::ty::{RegionVid, TyCtxt, VarianceDiagInfo}; use rustc_span::Span; use std::fmt; use std::ops::Index; pub(crate) mod graph; -pub type ConstraintSccs = Sccs; - -/// An annotation for region graph SCCs that tracks -/// the values of its elements. -#[derive(Copy, Debug, Clone)] -pub struct RegionTracker { - /// The largest universe of a placeholder reached from this SCC. - /// This includes placeholders within this SCC. - max_placeholder_universe_reached: UniverseIndex, - - /// The smallest universe index reachable form the nodes of this SCC. - min_reachable_universe: UniverseIndex, - - /// The representative Region Variable Id for this SCC. We prefer - /// placeholders over existentially quantified variables, otherwise - /// it's the one with the smallest Region Variable ID. - pub representative: RegionVid, - - /// Is the current representative a placeholder? - representative_is_placeholder: bool, - - /// Is the current representative existentially quantified? - representative_is_existential: bool, -} - -impl scc::Annotation for RegionTracker { - fn merge_scc(mut self, mut other: Self) -> Self { - // Prefer any placeholder over any existential - if other.representative_is_placeholder && self.representative_is_existential { - other.merge_min_max_seen(&self); - return other; - } - - if self.representative_is_placeholder && other.representative_is_existential - || (self.representative <= other.representative) - { - self.merge_min_max_seen(&other); - return self; - } - other.merge_min_max_seen(&self); - other - } - - fn merge_reached(mut self, other: Self) -> Self { - // No update to in-component values, only add seen values. - self.merge_min_max_seen(&other); - self - } -} - -impl RegionTracker { - pub fn new(rvid: RegionVid, definition: &RegionDefinition<'_>) -> Self { - let (representative_is_placeholder, representative_is_existential) = match definition.origin - { - rustc_infer::infer::NllRegionVariableOrigin::FreeRegion => (false, false), - rustc_infer::infer::NllRegionVariableOrigin::Placeholder(_) => (true, false), - rustc_infer::infer::NllRegionVariableOrigin::Existential { .. } => (false, true), - }; - - let placeholder_universe = - if representative_is_placeholder { definition.universe } else { UniverseIndex::ROOT }; - - Self { - max_placeholder_universe_reached: placeholder_universe, - min_reachable_universe: definition.universe, - representative: rvid, - representative_is_placeholder, - representative_is_existential, - } - } - pub fn universe(self) -> UniverseIndex { - self.min_reachable_universe - } - - fn merge_min_max_seen(&mut self, other: &Self) { - self.max_placeholder_universe_reached = std::cmp::max( - self.max_placeholder_universe_reached, - other.max_placeholder_universe_reached, - ); - - self.min_reachable_universe = - std::cmp::min(self.min_reachable_universe, other.min_reachable_universe); - } - - /// Returns `true` if during the annotated SCC reaches a placeholder - /// with a universe larger than the smallest reachable one, `false` otherwise. - pub fn has_incompatible_universes(&self) -> bool { - self.universe().cannot_name(self.max_placeholder_universe_reached) - } -} - /// A set of NLL region constraints. These include "outlives" /// constraints of the form `R1: R2`. Each constraint is identified by /// a unique `OutlivesConstraintIndex` and you can index into the set diff --git a/compiler/rustc_borrowck/src/region_infer/mod.rs b/compiler/rustc_borrowck/src/region_infer/mod.rs index 6f2fe8bddb2d..971f5a2a7ecb 100644 --- a/compiler/rustc_borrowck/src/region_infer/mod.rs +++ b/compiler/rustc_borrowck/src/region_infer/mod.rs @@ -4,6 +4,7 @@ use std::rc::Rc; use rustc_data_structures::binary_search_util; use rustc_data_structures::frozen::Frozen; use rustc_data_structures::fx::{FxIndexMap, FxIndexSet}; +use rustc_data_structures::graph::scc::{self, Sccs}; use rustc_errors::Diag; use rustc_hir::def_id::CRATE_DEF_ID; use rustc_index::IndexVec; @@ -23,7 +24,6 @@ use rustc_mir_dataflow::points::DenseLocationMap; use rustc_span::Span; use crate::constraints::graph::{self, NormalConstraintGraph, RegionGraph}; -use crate::constraints::{ConstraintSccs, RegionTracker}; use crate::dataflow::BorrowIndex; use crate::{ constraints::{ConstraintSccIndex, OutlivesConstraint, OutlivesConstraintSet}, @@ -46,6 +46,97 @@ mod reverse_sccs; pub mod values; +pub type ConstraintSccs = Sccs; + +/// An annotation for region graph SCCs that tracks +/// the values of its elements. +#[derive(Copy, Debug, Clone)] +pub struct RegionTracker { + /// The largest universe of a placeholder reached from this SCC. + /// This includes placeholders within this SCC. + max_placeholder_universe_reached: UniverseIndex, + + /// The smallest universe index reachable form the nodes of this SCC. + min_reachable_universe: UniverseIndex, + + /// The representative Region Variable Id for this SCC. We prefer + /// placeholders over existentially quantified variables, otherwise + /// it's the one with the smallest Region Variable ID. + representative: RegionVid, + + /// Is the current representative a placeholder? + representative_is_placeholder: bool, + + /// Is the current representative existentially quantified? + representative_is_existential: bool, +} + +impl scc::Annotation for RegionTracker { + fn merge_scc(mut self, mut other: Self) -> Self { + // Prefer any placeholder over any existential + if other.representative_is_placeholder && self.representative_is_existential { + other.merge_min_max_seen(&self); + return other; + } + + if self.representative_is_placeholder && other.representative_is_existential + || (self.representative <= other.representative) + { + self.merge_min_max_seen(&other); + return self; + } + other.merge_min_max_seen(&self); + other + } + + fn merge_reached(mut self, other: Self) -> Self { + // No update to in-component values, only add seen values. + self.merge_min_max_seen(&other); + self + } +} + +impl RegionTracker { + fn new(rvid: RegionVid, definition: &RegionDefinition<'_>) -> Self { + let (representative_is_placeholder, representative_is_existential) = match definition.origin + { + rustc_infer::infer::NllRegionVariableOrigin::FreeRegion => (false, false), + rustc_infer::infer::NllRegionVariableOrigin::Placeholder(_) => (true, false), + rustc_infer::infer::NllRegionVariableOrigin::Existential { .. } => (false, true), + }; + + let placeholder_universe = + if representative_is_placeholder { definition.universe } else { UniverseIndex::ROOT }; + + Self { + max_placeholder_universe_reached: placeholder_universe, + min_reachable_universe: definition.universe, + representative: rvid, + representative_is_placeholder, + representative_is_existential, + } + } + fn universe(self) -> UniverseIndex { + self.min_reachable_universe + } + + fn merge_min_max_seen(&mut self, other: &Self) { + self.max_placeholder_universe_reached = std::cmp::max( + self.max_placeholder_universe_reached, + other.max_placeholder_universe_reached, + ); + + self.min_reachable_universe = + std::cmp::min(self.min_reachable_universe, other.min_reachable_universe); + } + + /// Returns `true` if during the annotated SCC reaches a placeholder + /// with a universe larger than the smallest reachable one, `false` otherwise. + pub fn has_incompatible_universes(&self) -> bool { + self.universe().cannot_name(self.max_placeholder_universe_reached) + } +} + pub struct RegionInferenceContext<'tcx> { pub var_infos: VarInfos, From d63708b9074ebdc69e21bee8588d28db497e9ccd Mon Sep 17 00:00:00 2001 From: Amanda Stjerna Date: Wed, 12 Jun 2024 15:40:01 +0200 Subject: [PATCH 1411/1716] Address code review comments on the comments --- .../rustc_borrowck/src/region_infer/mod.rs | 58 +++++++++---------- .../src/graph/scc/mod.rs | 5 +- 2 files changed, 33 insertions(+), 30 deletions(-) diff --git a/compiler/rustc_borrowck/src/region_infer/mod.rs b/compiler/rustc_borrowck/src/region_infer/mod.rs index 971f5a2a7ecb..40b585005982 100644 --- a/compiler/rustc_borrowck/src/region_infer/mod.rs +++ b/compiler/rustc_borrowck/src/region_infer/mod.rs @@ -492,35 +492,35 @@ impl<'tcx> RegionInferenceContext<'tcx> { /// This bit of logic also handles invalid universe relations /// for higher-kinded types. /// - // We Walk each SCC `A` and `B` such that `A: B` - // and ensure that universe(A) can see universe(B). - // - // This serves to enforce the 'empty/placeholder' hierarchy - // (described in more detail on `RegionKind`): - // - // ``` - // static -----+ - // | | - // empty(U0) placeholder(U1) - // | / - // empty(U1) - // ``` - // - // In particular, imagine we have variables R0 in U0 and R1 - // created in U1, and constraints like this; - // - // ``` - // R1: !1 // R1 outlives the placeholder in U1 - // R1: R0 // R1 outlives R0 - // ``` - // - // Here, we wish for R1 to be `'static`, because it - // cannot outlive `placeholder(U1)` and `empty(U0)` any other way. - // - // Thanks to this loop, what happens is that the `R1: R0` - // constraint has lowered the universe of `R1` to `U0`, which in turn - // means that the `R1: !1` constraint here will cause - // `R1` to become `'static`. + /// We Walk each SCC `A` and `B` such that `A: B` + /// and ensure that universe(A) can see universe(B). + /// + /// This serves to enforce the 'empty/placeholder' hierarchy + /// (described in more detail on `RegionKind`): + /// + /// ```ignore (illustrative) + /// static -----+ + /// | | + /// empty(U0) placeholder(U1) + /// | / + /// empty(U1) + /// ``` + /// + /// In particular, imagine we have variables R0 in U0 and R1 + /// created in U1, and constraints like this; + /// + /// ```ignore (illustrative) + /// R1: !1 // R1 outlives the placeholder in U1 + /// R1: R0 // R1 outlives R0 + /// ``` + /// + /// Here, we wish for R1 to be `'static`, because it + /// cannot outlive `placeholder(U1)` and `empty(U0)` any other way. + /// + /// Thanks to this loop, what happens is that the `R1: R0` + /// constraint has lowered the universe of `R1` to `U0`, which in turn + /// means that the `R1: !1` constraint here will cause + /// `R1` to become `'static`. fn init_free_and_bound_regions(&mut self) { // Update the names (if any) // This iterator has unstable order but we collect it all into an IndexVec diff --git a/compiler/rustc_data_structures/src/graph/scc/mod.rs b/compiler/rustc_data_structures/src/graph/scc/mod.rs index 40d1d8d11d31..8b96b36a8512 100644 --- a/compiler/rustc_data_structures/src/graph/scc/mod.rs +++ b/compiler/rustc_data_structures/src/graph/scc/mod.rs @@ -80,7 +80,10 @@ struct SccDetails { // The name of this struct should discourage you from making it public and leaking // its representation. This message was left here by one who came before you, -// who learnt the hard way that making even small changes in representation is difficult when it's publicly inspectable. Obey the law of Demeter! +// who learnt the hard way that making even small changes in representation +// is difficult when it's publicly inspectable. +// +// Obey the law of Demeter! struct SccData { /// Maps SCC indices to their metadata, including /// offsets into `all_successors`. From 63bdcaa2d92bf5dba4dab23abb4e2b811e565438 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Wed, 12 Jun 2024 15:19:40 +0200 Subject: [PATCH 1412/1716] add is_none_or --- library/core/src/option.rs | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/library/core/src/option.rs b/library/core/src/option.rs index e253cfd2822b..d90b9cdb4b5c 100644 --- a/library/core/src/option.rs +++ b/library/core/src/option.rs @@ -654,6 +654,32 @@ impl Option { !self.is_some() } + /// Returns `true` if the option is a [`None`] or the value inside of it matches a predicate. + /// + /// # Examples + /// + /// ``` + /// #![feature(is_none_or)] + /// + /// let x: Option = Some(2); + /// assert_eq!(x.is_none_or(|x| x > 1), true); + /// + /// let x: Option = Some(0); + /// assert_eq!(x.is_none_or(|x| x > 1), false); + /// + /// let x: Option = None; + /// assert_eq!(x.is_none_or(|x| x > 1), true); + /// ``` + #[must_use] + #[inline] + #[unstable(feature = "is_none_or", issue = "none")] + pub fn is_none_or(self, f: impl FnOnce(T) -> bool) -> bool { + match self { + None => true, + Some(x) => f(x), + } + } + ///////////////////////////////////////////////////////////////////////// // Adapter for working with references ///////////////////////////////////////////////////////////////////////// From d2268902f7db32c03520f160f2d0e750d4d8d0b1 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Tue, 11 Jun 2024 11:37:51 -0400 Subject: [PATCH 1413/1716] rewrite and rename issue-10971-temps-dir to rmake format --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/issue-10971-temps-dir/Makefile | 10 --------- .../parallel-rustc-no-overwrite/rmake.rs | 22 +++++++++++++++++++ 3 files changed, 22 insertions(+), 11 deletions(-) delete mode 100644 tests/run-make/issue-10971-temps-dir/Makefile create mode 100644 tests/run-make/parallel-rustc-no-overwrite/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index ac89a30f3534..59c836862c5d 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -79,7 +79,6 @@ run-make/invalid-library/Makefile run-make/invalid-so/Makefile run-make/invalid-staticlib/Makefile run-make/issue-107094/Makefile -run-make/issue-10971-temps-dir/Makefile run-make/issue-109934-lto-debuginfo/Makefile run-make/issue-14698/Makefile run-make/issue-15460/Makefile diff --git a/tests/run-make/issue-10971-temps-dir/Makefile b/tests/run-make/issue-10971-temps-dir/Makefile deleted file mode 100644 index 6e1649a58d23..000000000000 --- a/tests/run-make/issue-10971-temps-dir/Makefile +++ /dev/null @@ -1,10 +0,0 @@ -include ../tools.mk - -# Regression test for issue #10971 -# Running two invocations in parallel would overwrite each other's temp files. - -all: - touch $(TMPDIR)/lib.rs - - $(RUSTC) --crate-type=lib -Z temps-dir=$(TMPDIR)/temp1 $(TMPDIR)/lib.rs & \ - $(RUSTC) --crate-type=staticlib -Z temps-dir=$(TMPDIR)/temp2 $(TMPDIR)/lib.rs diff --git a/tests/run-make/parallel-rustc-no-overwrite/rmake.rs b/tests/run-make/parallel-rustc-no-overwrite/rmake.rs new file mode 100644 index 000000000000..d45eb4f29116 --- /dev/null +++ b/tests/run-make/parallel-rustc-no-overwrite/rmake.rs @@ -0,0 +1,22 @@ +// When two instances of rustc are invoked in parallel, they +// can conflict on their temporary files and overwrite each others', +// leading to unsuccessful compilation. The -Z temps-dir flag adds +// separate designated directories for each rustc invocation, preventing +// conflicts. This test uses this flag and checks for successful compilation. +// See https://github.com/rust-lang/rust/pull/83846 + +use run_make_support::{fs_wrapper, rustc}; +use std::thread; + +fn main() { + fs_wrapper::create_file("lib.rs"); + let handle1 = thread::spawn(move || { + rustc().crate_type("lib").arg("-Ztemps-dir=temp1").input("lib.rs"); + }); + + let handle2 = thread::spawn(move || { + rustc().crate_type("staticlib").arg("-Ztemps-dir=temp2").input("lib.rs"); + }); + handle1.join().expect("lib thread panicked"); + handle2.join().expect("staticlib thread panicked"); +} From 03982dae0173f7358dd779aa2a92dd0a2ab0fe59 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Tue, 11 Jun 2024 11:57:07 -0400 Subject: [PATCH 1414/1716] rewrite inaccessible-temp-dir to rmake format --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/inaccessible-temp-dir/Makefile | 32 -------------- tests/run-make/inaccessible-temp-dir/rmake.rs | 44 +++++++++++++++++++ 3 files changed, 44 insertions(+), 33 deletions(-) delete mode 100644 tests/run-make/inaccessible-temp-dir/Makefile create mode 100644 tests/run-make/inaccessible-temp-dir/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 59c836862c5d..dd6e64057b44 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -66,7 +66,6 @@ run-make/foreign-double-unwind/Makefile run-make/foreign-exceptions/Makefile run-make/foreign-rust-exceptions/Makefile run-make/glibc-staticlib-args/Makefile -run-make/inaccessible-temp-dir/Makefile run-make/include_bytes_deps/Makefile run-make/incr-add-rust-src-component/Makefile run-make/incr-foreign-head-span/Makefile diff --git a/tests/run-make/inaccessible-temp-dir/Makefile b/tests/run-make/inaccessible-temp-dir/Makefile deleted file mode 100644 index abdba4eb8614..000000000000 --- a/tests/run-make/inaccessible-temp-dir/Makefile +++ /dev/null @@ -1,32 +0,0 @@ -# only-linux -# ignore-arm - linker error on `armhf-gnu` - -include ../tools.mk - -# Issue #66530: We would ICE if someone compiled with `-o /dev/null`, -# because we would try to generate auxiliary files in `/dev/` (which -# at least the OS X file system rejects). -# -# An attempt to `-Ztemps-dir` into a directory we cannot write into should -# indeed be an error; but not an ICE. -# -# However, some folks run tests as root, which can write `/dev/` and end -# up clobbering `/dev/null`. Instead we'll use an inaccessible path, which -# also used to ICE, but even root can't magically write there. -# -# Note that `-Ztemps-dir` uses `create_dir_all` so it is not sufficient to -# use a directory with non-existing parent like `/does-not-exist/output`. - -all: - # Create an inaccessible directory - mkdir $(TMPDIR)/inaccessible - chmod 000 $(TMPDIR)/inaccessible - - # Run rustc with `-Ztemps-dir` set to a directory - # *inside* the inaccessible one, so that it can't create it - $(RUSTC) program.rs -Ztemps-dir=$(TMPDIR)/inaccessible/tmp 2>&1 \ - | $(CGREP) 'failed to find or create the directory specified by `--temps-dir`' - - # Make the inaccessible directory accessible, - # so that compiletest can delete the temp dir - chmod +rw $(TMPDIR)/inaccessible diff --git a/tests/run-make/inaccessible-temp-dir/rmake.rs b/tests/run-make/inaccessible-temp-dir/rmake.rs new file mode 100644 index 000000000000..25c9d363820d --- /dev/null +++ b/tests/run-make/inaccessible-temp-dir/rmake.rs @@ -0,0 +1,44 @@ +// Issue #66530: We would ICE if someone compiled with `-o /dev/null`, +// because we would try to generate auxiliary files in `/dev/` (which +// at least the OS X file system rejects). +// +// An attempt to `-Ztemps-dir` into a directory we cannot write into should +// indeed be an error; but not an ICE. +// +// However, some folks run tests as root, which can write `/dev/` and end +// up clobbering `/dev/null`. Instead we'll use an inaccessible path, which +// also used to ICE, but even root can't magically write there. +// +// Note that `-Ztemps-dir` uses `create_dir_all` so it is not sufficient to +// use a directory with non-existing parent like `/does-not-exist/output`. +// See https://github.com/rust-lang/rust/issues/66530 + +//@ only-linux +// Reason: set_mode is only available on Unix + +//@ ignore-arm +// Reason: linker error on `armhf-gnu` + +use run_make_support::{fs_wrapper, rustc}; + +fn main() { + // Create an inaccessible directory. + fs_wrapper::create_dir("inaccessible"); + let meta = fs_wrapper::metadata("inaccessible"); + let mut perms = meta.permissions(); + perms.set_mode(0o000); // Lock down the directory. + fs_wrapper::set_permissions("inaccessible", perms); + + // Run rustc with `-Z temps-dir` set to a directory *inside* the inaccessible one, + // so that it can't create `tmp`. + rustc() + .input("program.rs") + .arg("-Ztemps-dir=inaccessible/tmp") + .run_fail() + .assert_stderr_contains( + "failed to find or create the directory specified by `--temps-dir`", + ); + + perms.set_mode(0o666); // Unlock the directory, so that compiletest can delete it. + fs_wrapper::set_permissions("inaccessible", perms); +} From 7c2b3b5615cf5e8545c13f7635257cc3fb0eb7bf Mon Sep 17 00:00:00 2001 From: Oneirical Date: Tue, 11 Jun 2024 12:53:33 -0400 Subject: [PATCH 1415/1716] rewrite output-with-hyphens to rmake format --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/output-with-hyphens/Makefile | 8 ------- tests/run-make/output-with-hyphens/rmake.rs | 17 ++++++++++++++ .../parallel-rustc-no-overwrite/rmake.rs | 22 ++++++++++--------- 4 files changed, 29 insertions(+), 19 deletions(-) delete mode 100644 tests/run-make/output-with-hyphens/Makefile create mode 100644 tests/run-make/output-with-hyphens/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index dd6e64057b44..0d7951bcfffc 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -156,7 +156,6 @@ run-make/optimization-remarks-dir/Makefile run-make/output-filename-conflicts-with-directory/Makefile run-make/output-filename-overwrites-input/Makefile run-make/output-type-permutations/Makefile -run-make/output-with-hyphens/Makefile run-make/override-aliased-flags/Makefile run-make/overwrite-input/Makefile run-make/panic-abort-eh_frame/Makefile diff --git a/tests/run-make/output-with-hyphens/Makefile b/tests/run-make/output-with-hyphens/Makefile deleted file mode 100644 index 846c9a66a89a..000000000000 --- a/tests/run-make/output-with-hyphens/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -# ignore-cross-compile -include ../tools.mk - -all: - $(RUSTC) foo-bar.rs --crate-type bin - [ -f $(TMPDIR)/$(call BIN,foo-bar) ] - $(RUSTC) foo-bar.rs --crate-type lib - [ -f $(TMPDIR)/libfoo_bar.rlib ] diff --git a/tests/run-make/output-with-hyphens/rmake.rs b/tests/run-make/output-with-hyphens/rmake.rs new file mode 100644 index 000000000000..21c003c628b9 --- /dev/null +++ b/tests/run-make/output-with-hyphens/rmake.rs @@ -0,0 +1,17 @@ +// Rust files with hyphens in their filename should +// not result in compiled libraries keeping that hyphen - +// it should become an underscore. Only bin executables +// should keep the hyphen. This test ensures that this rule +// remains enforced. +// See https://github.com/rust-lang/rust/pull/23786 + +//@ ignore-cross-compile + +use run_make_support::{path, rustc}; + +fn main() { + rustc().input("foo-bar.rs").crate_type("bin").run(); + assert!(path(bin_name("foo-bar")).exists()); + rustc().input("foo-bar.rs").crate_type("lib").run(); + assert!(path(bin_name("libfoo_bar.rlib")).exists()); +} diff --git a/tests/run-make/parallel-rustc-no-overwrite/rmake.rs b/tests/run-make/parallel-rustc-no-overwrite/rmake.rs index d45eb4f29116..40c6ab7ed5eb 100644 --- a/tests/run-make/parallel-rustc-no-overwrite/rmake.rs +++ b/tests/run-make/parallel-rustc-no-overwrite/rmake.rs @@ -6,17 +6,19 @@ // See https://github.com/rust-lang/rust/pull/83846 use run_make_support::{fs_wrapper, rustc}; +use std::sync::{Arc, Barrier}; use std::thread; fn main() { - fs_wrapper::create_file("lib.rs"); - let handle1 = thread::spawn(move || { - rustc().crate_type("lib").arg("-Ztemps-dir=temp1").input("lib.rs"); - }); - - let handle2 = thread::spawn(move || { - rustc().crate_type("staticlib").arg("-Ztemps-dir=temp2").input("lib.rs"); - }); - handle1.join().expect("lib thread panicked"); - handle2.join().expect("staticlib thread panicked"); + let barrier = Arc::new(Barrier::new(2)); + let handle = { + let barrier = Arc::clone(&barrier); + thread::spawn(move || { + barrier.wait(); + rustc().crate_type("lib").arg("-Ztemps-dir=temp1").input("lib.rs"); + }) + }; + barrier.wait(); + rustc().crate_type("staticlib").arg("-Ztemps-dir=temp2").input("lib.rs"); + handle.join().expect("lib thread panicked"); } From 4c208ac233df3b57f48298d5a911354fe8189320 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Wed, 12 Jun 2024 15:22:23 +0200 Subject: [PATCH 1416/1716] use is_none_or in some places in the compiler --- compiler/rustc_const_eval/src/interpret/eval_context.rs | 2 +- compiler/rustc_const_eval/src/interpret/memory.rs | 2 +- compiler/rustc_const_eval/src/interpret/projection.rs | 2 +- compiler/rustc_const_eval/src/lib.rs | 1 + compiler/rustc_hir_typeck/src/_match.rs | 2 +- compiler/rustc_hir_typeck/src/coercion.rs | 2 +- compiler/rustc_hir_typeck/src/expr.rs | 2 +- compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs | 2 +- compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs | 4 ++-- compiler/rustc_hir_typeck/src/lib.rs | 1 + src/tools/miri/src/lib.rs | 1 + src/tools/miri/src/shims/foreign_items.rs | 4 ++-- src/tools/rust-analyzer/crates/hir-ty/src/display.rs | 1 + 13 files changed, 15 insertions(+), 11 deletions(-) diff --git a/compiler/rustc_const_eval/src/interpret/eval_context.rs b/compiler/rustc_const_eval/src/interpret/eval_context.rs index 7c2100fcbe38..80dc23ce3039 100644 --- a/compiler/rustc_const_eval/src/interpret/eval_context.rs +++ b/compiler/rustc_const_eval/src/interpret/eval_context.rs @@ -1057,7 +1057,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { ty::Str | ty::Slice(_) | ty::Dynamic(_, _, ty::Dyn) | ty::Foreign(..) => false, - ty::Tuple(tys) => tys.last().iter().all(|ty| is_very_trivially_sized(**ty)), + ty::Tuple(tys) => tys.last().is_none_or(|ty| is_very_trivially_sized(*ty)), ty::Pat(ty, ..) => is_very_trivially_sized(*ty), diff --git a/compiler/rustc_const_eval/src/interpret/memory.rs b/compiler/rustc_const_eval/src/interpret/memory.rs index 7eb73e9b52f6..5d14e8fb5a42 100644 --- a/compiler/rustc_const_eval/src/interpret/memory.rs +++ b/compiler/rustc_const_eval/src/interpret/memory.rs @@ -446,7 +446,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { let (alloc_size, _alloc_align, ret_val) = alloc_size(alloc_id, offset, prov)?; // Test bounds. // It is sufficient to check this for the end pointer. Also check for overflow! - if offset.checked_add(size, &self.tcx).map_or(true, |end| end > alloc_size) { + if offset.checked_add(size, &self.tcx).is_none_or(|end| end > alloc_size) { throw_ub!(PointerOutOfBounds { alloc_id, alloc_size, diff --git a/compiler/rustc_const_eval/src/interpret/projection.rs b/compiler/rustc_const_eval/src/interpret/projection.rs index 09e1a59dfa1a..efa01b543426 100644 --- a/compiler/rustc_const_eval/src/interpret/projection.rs +++ b/compiler/rustc_const_eval/src/interpret/projection.rs @@ -300,7 +300,7 @@ where ) -> InterpResult<'tcx, P> { let len = base.len(self)?; // also asserts that we have a type where this makes sense let actual_to = if from_end { - if from.checked_add(to).map_or(true, |to| to > len) { + if from.checked_add(to).is_none_or(|to| to > len) { // This can only be reached in ConstProp and non-rustc-MIR. throw_ub!(BoundsCheckFailed { len: len, index: from.saturating_add(to) }); } diff --git a/compiler/rustc_const_eval/src/lib.rs b/compiler/rustc_const_eval/src/lib.rs index 45ea3ec08f8f..50a4d0612ccd 100644 --- a/compiler/rustc_const_eval/src/lib.rs +++ b/compiler/rustc_const_eval/src/lib.rs @@ -6,6 +6,7 @@ #![feature(box_patterns)] #![feature(decl_macro)] #![feature(if_let_guard)] +#![feature(is_none_or)] #![feature(let_chains)] #![feature(never_type)] #![feature(rustdoc_internals)] diff --git a/compiler/rustc_hir_typeck/src/_match.rs b/compiler/rustc_hir_typeck/src/_match.rs index a599e8d05fd3..281af80bff57 100644 --- a/compiler/rustc_hir_typeck/src/_match.rs +++ b/compiler/rustc_hir_typeck/src/_match.rs @@ -234,7 +234,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let ret_ty = ret_coercion.borrow().expected_ty(); let ret_ty = self.infcx.shallow_resolve(ret_ty); self.can_coerce(arm_ty, ret_ty) - && prior_arm.map_or(true, |(_, ty, _)| self.can_coerce(ty, ret_ty)) + && prior_arm.is_none_or(|(_, ty, _)| self.can_coerce(ty, ret_ty)) // The match arms need to unify for the case of `impl Trait`. && !matches!(ret_ty.kind(), ty::Alias(ty::Opaque, ..)) } diff --git a/compiler/rustc_hir_typeck/src/coercion.rs b/compiler/rustc_hir_typeck/src/coercion.rs index e54a07786cd1..fcd22b746769 100644 --- a/compiler/rustc_hir_typeck/src/coercion.rs +++ b/compiler/rustc_hir_typeck/src/coercion.rs @@ -913,7 +913,7 @@ impl<'f, 'tcx> Coerce<'f, 'tcx> { if self .tcx .upvars_mentioned(closure_def_id_a.expect_local()) - .map_or(true, |u| u.is_empty()) => + .is_none_or(|u| u.is_empty()) => { // We coerce the closure, which has fn type // `extern "rust-call" fn((arg0,arg1,...)) -> _` diff --git a/compiler/rustc_hir_typeck/src/expr.rs b/compiler/rustc_hir_typeck/src/expr.rs index 5b27ebe3416a..3a27fce8146a 100644 --- a/compiler/rustc_hir_typeck/src/expr.rs +++ b/compiler/rustc_hir_typeck/src/expr.rs @@ -1560,7 +1560,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // If the length is 0, we don't create any elements, so we don't copy any. If the length is 1, we // don't copy that one element, we move it. Only check for Copy if the length is larger. - if count.try_eval_target_usize(tcx, self.param_env).map_or(true, |len| len > 1) { + if count.try_eval_target_usize(tcx, self.param_env).is_none_or(|len| len > 1) { let lang_item = self.tcx.require_lang_item(LangItem::Copy, None); let code = traits::ObligationCauseCode::RepeatElementCopy { is_constable, diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs index b8333d474937..1cd5e784e199 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs @@ -2240,7 +2240,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { for (idx, (generic_param, param)) in params_with_generics.iter().enumerate().filter(|(idx, _)| { check_for_matched_generics - || expected_idx.map_or(true, |expected_idx| expected_idx == *idx) + || expected_idx.is_none_or(|expected_idx| expected_idx == *idx) }) { let Some(generic_param) = generic_param else { diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs index 9ab89f3444c9..8a88e5a6ff48 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs @@ -440,7 +440,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { }; // Given `Result<_, E>`, check our expected ty is `Result<_, &E>` for // `as_ref` and `as_deref` compatibility. - let error_tys_equate_as_ref = error_tys.map_or(true, |(found, expected)| { + let error_tys_equate_as_ref = error_tys.is_none_or(|(found, expected)| { self.can_eq( self.param_env, Ty::new_imm_ref(self.tcx, self.tcx.lifetimes.re_erased, found), @@ -492,7 +492,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { && Some(adt.did()) == self.tcx.lang_items().string() && peeled.is_str() // `Result::map`, conversely, does not take ref of the error type. - && error_tys.map_or(true, |(found, expected)| { + && error_tys.is_none_or(|(found, expected)| { self.can_eq(self.param_env, found, expected) }) { diff --git a/compiler/rustc_hir_typeck/src/lib.rs b/compiler/rustc_hir_typeck/src/lib.rs index b0fd6de34968..a87ee7b45548 100644 --- a/compiler/rustc_hir_typeck/src/lib.rs +++ b/compiler/rustc_hir_typeck/src/lib.rs @@ -4,6 +4,7 @@ #![feature(box_patterns)] #![feature(control_flow_enum)] #![feature(if_let_guard)] +#![feature(is_none_or)] #![feature(let_chains)] #![feature(never_type)] #![feature(try_blocks)] diff --git a/src/tools/miri/src/lib.rs b/src/tools/miri/src/lib.rs index 11cbbde06aa0..f8410db4dd0f 100644 --- a/src/tools/miri/src/lib.rs +++ b/src/tools/miri/src/lib.rs @@ -13,6 +13,7 @@ #![feature(lint_reasons)] #![feature(trait_upcasting)] #![feature(strict_overflow_ops)] +#![feature(is_none_or)] // Configure clippy and other lints #![allow( clippy::collapsible_else_if, diff --git a/src/tools/miri/src/shims/foreign_items.rs b/src/tools/miri/src/shims/foreign_items.rs index 898fc111fd43..911958e558c5 100644 --- a/src/tools/miri/src/shims/foreign_items.rs +++ b/src/tools/miri/src/shims/foreign_items.rs @@ -396,12 +396,12 @@ trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { // If the newly promised alignment is bigger than the native alignment of this // allocation, and bigger than the previously promised alignment, then set it. if align > alloc_align - && !this + && this .machine .symbolic_alignment .get_mut() .get(&alloc_id) - .is_some_and(|&(_, old_align)| align <= old_align) + .is_none_or(|&(_, old_align)| align > old_align) { this.machine.symbolic_alignment.get_mut().insert(alloc_id, (offset, align)); } diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/display.rs b/src/tools/rust-analyzer/crates/hir-ty/src/display.rs index 5a9621bb69a4..241690d00896 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/display.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/display.rs @@ -1387,6 +1387,7 @@ fn generic_args_sans_defaults<'ga>( } // otherwise, if the arg is equal to the param default, hide it (unless the // default is an error which can happen for the trait Self type) + #[allow(unstable_name_collisions)] default_parameters.get(i).is_none_or(|default_parameter| { // !is_err(default_parameter.skip_binders()) // && From 62990713cece662d36a192e2713a30cd7cfb115b Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Wed, 12 Jun 2024 14:25:34 +0000 Subject: [PATCH 1417/1716] Avoid a Ty::new_misc_error when an ErrorGuaranteed is available --- compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs | 4 ++-- compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs | 6 +++--- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs index 2b32a93bbbec..94e879ae9c3e 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs @@ -660,8 +660,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { }) } - pub(crate) fn err_args(&self, len: usize) -> Vec> { - let ty_error = Ty::new_misc_error(self.tcx); + pub(crate) fn err_args(&self, len: usize, guar: ErrorGuaranteed) -> Vec> { + let ty_error = Ty::new_error(self.tcx, guar); vec![ty_error; len] } diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs index b8ae21594fd4..e20a6ef7c133 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs @@ -123,7 +123,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { Err(guar) => Err(guar), }; if let Err(guar) = has_error { - let err_inputs = self.err_args(args_no_rcvr.len()); + let err_inputs = self.err_args(args_no_rcvr.len(), guar); let err_inputs = match tuple_arguments { DontTupleArguments => err_inputs, @@ -237,7 +237,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { _ => { // Otherwise, there's a mismatch, so clear out what we're expecting, and set // our input types to err_args so we don't blow up the error messages - struct_span_code_err!( + let guar = struct_span_code_err!( tcx.dcx(), call_span, E0059, @@ -245,7 +245,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { for the function trait is neither a tuple nor unit" ) .emit(); - (self.err_args(provided_args.len()), None) + (self.err_args(provided_args.len(), guar), None) } } } else { From af106617f17d7d4bdfe70158265f352b13511382 Mon Sep 17 00:00:00 2001 From: r0cky Date: Wed, 12 Jun 2024 23:31:27 +0800 Subject: [PATCH 1418/1716] Detect pub structs never constructed even though they impl pub trait with assoc constants --- compiler/rustc_passes/src/dead.rs | 4 +- ...sed-adt-impl-pub-trait-with-assoc-const.rs | 52 +++++++++++++++++++ ...adt-impl-pub-trait-with-assoc-const.stderr | 26 ++++++++++ 3 files changed, 80 insertions(+), 2 deletions(-) create mode 100644 tests/ui/lint/dead-code/unused-adt-impl-pub-trait-with-assoc-const.rs create mode 100644 tests/ui/lint/dead-code/unused-adt-impl-pub-trait-with-assoc-const.stderr diff --git a/compiler/rustc_passes/src/dead.rs b/compiler/rustc_passes/src/dead.rs index 2cb3c5d8965c..a72fbdb90215 100644 --- a/compiler/rustc_passes/src/dead.rs +++ b/compiler/rustc_passes/src/dead.rs @@ -472,7 +472,7 @@ impl<'tcx> MarkSymbolVisitor<'tcx> { && let ItemKind::Impl(impl_ref) = self.tcx.hir().expect_item(local_impl_id).kind { - if matches!(trait_item.kind, hir::TraitItemKind::Fn(..)) + if !matches!(trait_item.kind, hir::TraitItemKind::Type(..)) && !ty_ref_to_pub_struct(self.tcx, impl_ref.self_ty) .ty_and_all_fields_are_public { @@ -802,7 +802,7 @@ fn check_item<'tcx>( // And we access the Map here to get HirId from LocalDefId for local_def_id in local_def_ids { // check the function may construct Self - let mut may_construct_self = true; + let mut may_construct_self = false; if let Some(fn_sig) = tcx.hir().fn_sig_by_hir_id(tcx.local_def_id_to_hir_id(local_def_id)) { diff --git a/tests/ui/lint/dead-code/unused-adt-impl-pub-trait-with-assoc-const.rs b/tests/ui/lint/dead-code/unused-adt-impl-pub-trait-with-assoc-const.rs new file mode 100644 index 000000000000..bf2fc243e819 --- /dev/null +++ b/tests/ui/lint/dead-code/unused-adt-impl-pub-trait-with-assoc-const.rs @@ -0,0 +1,52 @@ +#![deny(dead_code)] + +struct T1; //~ ERROR struct `T1` is never constructed +pub struct T2(i32); //~ ERROR struct `T2` is never constructed +struct T3; + +trait Trait1 { //~ ERROR trait `Trait1` is never used + const UNUSED: i32; + fn unused(&self) {} + fn construct_self() -> Self; +} + +pub trait Trait2 { + const USED: i32; + fn used(&self) {} +} + +pub trait Trait3 { + const USED: i32; + fn construct_self() -> Self; +} + +impl Trait1 for T1 { + const UNUSED: i32 = 0; + fn construct_self() -> Self { + Self + } +} + +impl Trait1 for T2 { + const UNUSED: i32 = 0; + fn construct_self() -> Self { + T2(0) + } +} + +impl Trait2 for T1 { + const USED: i32 = 0; +} + +impl Trait2 for T2 { + const USED: i32 = 0; +} + +impl Trait3 for T3 { + const USED: i32 = 0; + fn construct_self() -> Self { + Self + } +} + +fn main() {} diff --git a/tests/ui/lint/dead-code/unused-adt-impl-pub-trait-with-assoc-const.stderr b/tests/ui/lint/dead-code/unused-adt-impl-pub-trait-with-assoc-const.stderr new file mode 100644 index 000000000000..174096d93988 --- /dev/null +++ b/tests/ui/lint/dead-code/unused-adt-impl-pub-trait-with-assoc-const.stderr @@ -0,0 +1,26 @@ +error: struct `T1` is never constructed + --> $DIR/unused-adt-impl-pub-trait-with-assoc-const.rs:3:8 + | +LL | struct T1; + | ^^ + | +note: the lint level is defined here + --> $DIR/unused-adt-impl-pub-trait-with-assoc-const.rs:1:9 + | +LL | #![deny(dead_code)] + | ^^^^^^^^^ + +error: struct `T2` is never constructed + --> $DIR/unused-adt-impl-pub-trait-with-assoc-const.rs:4:12 + | +LL | pub struct T2(i32); + | ^^ + +error: trait `Trait1` is never used + --> $DIR/unused-adt-impl-pub-trait-with-assoc-const.rs:7:7 + | +LL | trait Trait1 { + | ^^^^^^ + +error: aborting due to 3 previous errors + From ffe543933054a62d4aa8b292513bb1fb5d488188 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Wed, 12 Jun 2024 15:32:25 +0000 Subject: [PATCH 1419/1716] Add test for walking order dependent opaque type behaviour --- .../ui/impl-trait/associated-type-undefine.rs | 28 +++++++++++++++++++ .../associated-type-undefine.stderr | 20 +++++++++++++ 2 files changed, 48 insertions(+) create mode 100644 tests/ui/impl-trait/associated-type-undefine.rs create mode 100644 tests/ui/impl-trait/associated-type-undefine.stderr diff --git a/tests/ui/impl-trait/associated-type-undefine.rs b/tests/ui/impl-trait/associated-type-undefine.rs new file mode 100644 index 000000000000..c8f07021fbf1 --- /dev/null +++ b/tests/ui/impl-trait/associated-type-undefine.rs @@ -0,0 +1,28 @@ +#![feature(impl_trait_in_assoc_type)] + +trait Foo: Sized { + type Bar; + type Gat; + fn foo(self) -> (::Gat, ::Gat); +} + +impl Foo for u32 { + type Bar = (); + type Gat = (); + fn foo(self) -> (::Gat, ::Gat) { + ((), ()) + } +} + +impl Foo for () { + type Bar = impl Sized; + type Gat = ::Bar; + // Because we encounter `Gat` first, we never walk into another `Gat` + // again, thus missing the opaque type that we could be defining. + fn foo(self) -> (::Gat, ::Gat) { + ((), ()) + //~^ ERROR: mismatched types + } +} + +fn main() {} diff --git a/tests/ui/impl-trait/associated-type-undefine.stderr b/tests/ui/impl-trait/associated-type-undefine.stderr new file mode 100644 index 000000000000..5d9d525eb93b --- /dev/null +++ b/tests/ui/impl-trait/associated-type-undefine.stderr @@ -0,0 +1,20 @@ +error[E0308]: mismatched types + --> $DIR/associated-type-undefine.rs:23:14 + | +LL | type Bar = impl Sized; + | ---------- the expected opaque type +... +LL | ((), ()) + | ^^ expected opaque type, found `()` + | + = note: expected opaque type `<() as Foo>::Bar` + found unit type `()` +note: this item must have the opaque type in its signature in order to be able to register hidden types + --> $DIR/associated-type-undefine.rs:22:8 + | +LL | fn foo(self) -> (::Gat, ::Gat) { + | ^^^ + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0308`. From 39c3b86eaa756cf3b8a8957abae7fd029196f90d Mon Sep 17 00:00:00 2001 From: Tobias Bucher Date: Tue, 11 Jun 2024 19:34:53 +0200 Subject: [PATCH 1420/1716] Add a `ignore-tidy-todo` to ignore the tidy TODO comment check --- src/tools/tidy/src/style.rs | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/src/tools/tidy/src/style.rs b/src/tools/tidy/src/style.rs index 64cc22776205..2d3888ec75f2 100644 --- a/src/tools/tidy/src/style.rs +++ b/src/tools/tidy/src/style.rs @@ -444,7 +444,9 @@ pub fn check(path: &Path, bad: &mut bool) { suppressible_tidy_err!(err, skip_cr, "CR character"); } if filename != "style.rs" { - if trimmed.contains("TODO") { + // Allow using TODO in diagnostic suggestions by marking the + // relevant line with `// ignore-tidy-todo`. + if trimmed.contains("TODO") && !trimmed.contains("ignore-tidy-todo") { err( "TODO is used for tasks that should be done before merging a PR; If you want to leave a message in the codebase use FIXME", ) From 4f5fb3126f24e2dbe401430c2b6961941be181f9 Mon Sep 17 00:00:00 2001 From: Tobias Bucher Date: Wed, 5 Jun 2024 11:06:41 +0200 Subject: [PATCH 1421/1716] Add TODO comment to unsafe env modification Addresses https://github.com/rust-lang/rust/pull/124636#issuecomment-2132119534. I think that the diff display regresses a little, because it's no longer showing the `+` to show where the `unsafe {}` is added. I think it's still fine. --- compiler/rustc_mir_build/src/check_unsafety.rs | 3 +++ compiler/rustc_mir_build/src/errors.rs | 5 +++++ tests/ui/rust-2024/unsafe-env-suggestion.fixed | 2 ++ tests/ui/rust-2024/unsafe-env-suggestion.stderr | 10 ++++++---- 4 files changed, 16 insertions(+), 4 deletions(-) diff --git a/compiler/rustc_mir_build/src/check_unsafety.rs b/compiler/rustc_mir_build/src/check_unsafety.rs index d781fb1c297d..a65586ccdb7e 100644 --- a/compiler/rustc_mir_build/src/check_unsafety.rs +++ b/compiler/rustc_mir_build/src/check_unsafety.rs @@ -97,6 +97,7 @@ impl<'tcx> UnsafetyVisitor<'_, 'tcx> { if !span.at_least_rust_2024() && self.tcx.has_attr(id, sym::rustc_deprecated_safe_2024) => { + let sm = self.tcx.sess.source_map(); self.tcx.emit_node_span_lint( DEPRECATED_SAFE, self.hir_context, @@ -105,6 +106,8 @@ impl<'tcx> UnsafetyVisitor<'_, 'tcx> { span, function: with_no_trimmed_paths!(self.tcx.def_path_str(id)), sub: CallToDeprecatedSafeFnRequiresUnsafeSub { + indent: sm.indentation_before(span).unwrap_or_default(), + start_of_line: sm.span_extend_to_line(span).shrink_to_lo(), left: span.shrink_to_lo(), right: span.shrink_to_hi(), }, diff --git a/compiler/rustc_mir_build/src/errors.rs b/compiler/rustc_mir_build/src/errors.rs index cf324c03dc9f..3bd2e47976b5 100644 --- a/compiler/rustc_mir_build/src/errors.rs +++ b/compiler/rustc_mir_build/src/errors.rs @@ -33,6 +33,11 @@ pub(crate) struct CallToDeprecatedSafeFnRequiresUnsafe { #[derive(Subdiagnostic)] #[multipart_suggestion(mir_build_suggestion, applicability = "machine-applicable")] pub(crate) struct CallToDeprecatedSafeFnRequiresUnsafeSub { + pub(crate) indent: String, + #[suggestion_part( + code = "{indent}// TODO: Audit that the environment access only happens in single-threaded code.\n" // ignore-tidy-todo + )] + pub(crate) start_of_line: Span, #[suggestion_part(code = "unsafe {{ ")] pub(crate) left: Span, #[suggestion_part(code = " }}")] diff --git a/tests/ui/rust-2024/unsafe-env-suggestion.fixed b/tests/ui/rust-2024/unsafe-env-suggestion.fixed index d9c738edfacb..1f3d2dc0a31e 100644 --- a/tests/ui/rust-2024/unsafe-env-suggestion.fixed +++ b/tests/ui/rust-2024/unsafe-env-suggestion.fixed @@ -6,9 +6,11 @@ use std::env; #[deny(unused_unsafe)] fn main() { + // TODO: Audit that the environment access only happens in single-threaded code. unsafe { env::set_var("FOO", "BAR") }; //~^ ERROR call to deprecated safe function //~| WARN this is accepted in the current edition + // TODO: Audit that the environment access only happens in single-threaded code. unsafe { env::remove_var("FOO") }; //~^ ERROR call to deprecated safe function //~| WARN this is accepted in the current edition diff --git a/tests/ui/rust-2024/unsafe-env-suggestion.stderr b/tests/ui/rust-2024/unsafe-env-suggestion.stderr index 90c91c2a474a..7c12f4aa5ede 100644 --- a/tests/ui/rust-2024/unsafe-env-suggestion.stderr +++ b/tests/ui/rust-2024/unsafe-env-suggestion.stderr @@ -13,8 +13,9 @@ LL | #![deny(deprecated_safe)] | ^^^^^^^^^^^^^^^ help: you can wrap the call in an `unsafe` block if you can guarantee the code is only ever called from single-threaded code | -LL | unsafe { env::set_var("FOO", "BAR") }; - | ++++++++ + +LL + // TODO: Audit that the environment access only happens in single-threaded code. +LL ~ unsafe { env::set_var("FOO", "BAR") }; + | error: call to deprecated safe function `std::env::remove_var` is unsafe and requires unsafe block --> $DIR/unsafe-env-suggestion.rs:12:5 @@ -26,8 +27,9 @@ LL | env::remove_var("FOO"); = note: for more information, see issue #27970 help: you can wrap the call in an `unsafe` block if you can guarantee the code is only ever called from single-threaded code | -LL | unsafe { env::remove_var("FOO") }; - | ++++++++ + +LL + // TODO: Audit that the environment access only happens in single-threaded code. +LL ~ unsafe { env::remove_var("FOO") }; + | error: aborting due to 2 previous errors From 54429cf27928f8aa9039dc019a73a372dcc6306d Mon Sep 17 00:00:00 2001 From: Deadbeef Date: Wed, 12 Jun 2024 16:19:25 +0000 Subject: [PATCH 1422/1716] Fix outdated predacates_of.rs comments --- compiler/rustc_hir_analysis/src/collect/predicates_of.rs | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/compiler/rustc_hir_analysis/src/collect/predicates_of.rs b/compiler/rustc_hir_analysis/src/collect/predicates_of.rs index 40204961e9c4..3421c8da4e9f 100644 --- a/compiler/rustc_hir_analysis/src/collect/predicates_of.rs +++ b/compiler/rustc_hir_analysis/src/collect/predicates_of.rs @@ -169,12 +169,11 @@ fn gather_explicit_predicates_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::Gen predicates.insert((trait_ref.upcast(tcx), tcx.def_span(def_id))); } - // Collect the predicates that were written inline by the user on each - // type parameter (e.g., ``). Also add `ConstArgHasType` predicates - // for each const parameter. + // Add implicit predicates that should be treated as if the user has written them, + // including the implicit `T: Sized` for all generic parameters, and `ConstArgHasType` + // for const params. for param in hir_generics.params { match param.kind { - // We already dealt with early bound lifetimes above. GenericParamKind::Lifetime { .. } => (), GenericParamKind::Type { .. } => { let param_ty = icx.lowerer().lower_ty_param(param.hir_id); @@ -204,7 +203,7 @@ fn gather_explicit_predicates_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::Gen } trace!(?predicates); - // Add in the bounds that appear in the where-clause. + // Add inline `` bounds and bounds in the where clause. for predicate in hir_generics.predicates { match predicate { hir::WherePredicate::BoundPredicate(bound_pred) => { From 48d342536421b6806dcfe3c0c76718249dbea6bc Mon Sep 17 00:00:00 2001 From: Chris Denton Date: Wed, 12 Jun 2024 17:33:52 +0000 Subject: [PATCH 1423/1716] Remove some msys2 utils --- .github/workflows/ci.yml | 2 -- 1 file changed, 2 deletions(-) diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml index 521f8ef0f5ae..4cf0e5fba537 100644 --- a/.github/workflows/ci.yml +++ b/.github/workflows/ci.yml @@ -95,8 +95,6 @@ jobs: path-type: inherit install: > make - dos2unix - diffutils - name: disable git crlf conversion run: git config --global core.autocrlf false From c462328382b9fc1c39ffca3f519f7559717b2ccc Mon Sep 17 00:00:00 2001 From: Stefan Lankes Date: Wed, 12 Jun 2024 20:18:33 +0200 Subject: [PATCH 1424/1716] export std::os::fd module on HermitOS The HermitOS' IO interface is similiar to Unix. Consequently, this PR synchronize the FD implementation between both. --- library/std/src/os/hermit/io/mod.rs | 15 +++------------ library/std/src/os/mod.rs | 2 +- 2 files changed, 4 insertions(+), 13 deletions(-) diff --git a/library/std/src/os/hermit/io/mod.rs b/library/std/src/os/hermit/io/mod.rs index 524dfae0d63a..df93f63a003c 100644 --- a/library/std/src/os/hermit/io/mod.rs +++ b/library/std/src/os/hermit/io/mod.rs @@ -1,13 +1,4 @@ -#![stable(feature = "os_fd", since = "1.66.0")] +#![stable(feature = "rust1", since = "1.0.0")] -mod net; -#[path = "../../fd/owned.rs"] -mod owned; -#[path = "../../fd/raw.rs"] -mod raw; - -// Export the types and traits for the public API. -#[stable(feature = "os_fd", since = "1.66.0")] -pub use owned::*; -#[stable(feature = "os_fd", since = "1.66.0")] -pub use raw::*; +#[stable(feature = "rust1", since = "1.0.0")] +pub use crate::os::fd::*; diff --git a/library/std/src/os/mod.rs b/library/std/src/os/mod.rs index ca3584e82f91..d2a7b316b813 100644 --- a/library/std/src/os/mod.rs +++ b/library/std/src/os/mod.rs @@ -160,7 +160,7 @@ pub(crate) mod watchos; #[cfg(target_os = "xous")] pub mod xous; -#[cfg(any(unix, target_os = "wasi", doc))] +#[cfg(any(unix, target_os = "hermit", target_os = "wasi", doc))] pub mod fd; #[cfg(any(target_os = "linux", target_os = "android", doc))] From 9bba39c287a021c97a5b36fcced8dd34a32a3b87 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Wed, 12 Jun 2024 20:52:40 +0200 Subject: [PATCH 1425/1716] Improve error message if dependency installation in tidy fails --- src/tools/tidy/src/ext_tool_checks.rs | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/src/tools/tidy/src/ext_tool_checks.rs b/src/tools/tidy/src/ext_tool_checks.rs index 2c97a39f1008..b54fa5c6b2c9 100644 --- a/src/tools/tidy/src/ext_tool_checks.rs +++ b/src/tools/tidy/src/ext_tool_checks.rs @@ -274,13 +274,18 @@ fn create_venv_at_path(path: &Path) -> Result<(), Error> { if out.status.success() { return Ok(()); } - let err = if String::from_utf8_lossy(&out.stderr).contains("No module named virtualenv") { + + let stderr = String::from_utf8_lossy(&out.stderr); + let err = if stderr.contains("No module named virtualenv") { Error::Generic(format!( "virtualenv not found: you may need to install it \ (`python3 -m pip install venv`)" )) } else { - Error::Generic(format!("failed to create venv at '{}' using {sys_py}", path.display())) + Error::Generic(format!( + "failed to create venv at '{}' using {sys_py}: {stderr}", + path.display() + )) }; Err(err) } From fac173392588bcf10c18288f791f2bb4c145d43b Mon Sep 17 00:00:00 2001 From: Slanterns Date: Thu, 13 Jun 2024 02:57:36 +0800 Subject: [PATCH 1426/1716] Simplify `try_*` on `Iterator` --- library/core/src/iter/traits/iterator.rs | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) diff --git a/library/core/src/iter/traits/iterator.rs b/library/core/src/iter/traits/iterator.rs index cee99e28b5a9..733d414d4446 100644 --- a/library/core/src/iter/traits/iterator.rs +++ b/library/core/src/iter/traits/iterator.rs @@ -2080,8 +2080,7 @@ pub trait Iterator { fn try_collect(&mut self) -> ChangeOutputType where Self: Sized, - ::Item: Try, - <::Item as Try>::Residual: Residual, + Self::Item: Try>, B: FromIterator<::Output>, { try_process(ByRefSized(self), |i| i.collect()) @@ -2689,12 +2688,13 @@ pub trait Iterator { #[inline] #[unstable(feature = "iterator_try_reduce", reason = "new API", issue = "87053")] #[rustc_do_not_const_check] - fn try_reduce(&mut self, f: F) -> ChangeOutputType> + fn try_reduce( + &mut self, + f: impl FnMut(Self::Item, Self::Item) -> R, + ) -> ChangeOutputType> where Self: Sized, - F: FnMut(Self::Item, Self::Item) -> R, - R: Try, - R::Residual: Residual>, + R: Try>>, { let first = match self.next() { Some(i) => i, @@ -2956,12 +2956,13 @@ pub trait Iterator { #[inline] #[unstable(feature = "try_find", reason = "new API", issue = "63178")] #[rustc_do_not_const_check] - fn try_find(&mut self, f: F) -> ChangeOutputType> + fn try_find( + &mut self, + f: impl FnMut(&Self::Item) -> R, + ) -> ChangeOutputType> where Self: Sized, - F: FnMut(&Self::Item) -> R, - R: Try, - R::Residual: Residual>, + R: Try>>, { #[inline] fn check( From 6d2493bf5d6c97bc52aa109944a7f27ee456192e Mon Sep 17 00:00:00 2001 From: Josh Stone Date: Wed, 12 Jun 2024 12:48:35 -0700 Subject: [PATCH 1427/1716] ci: Update centos:7 to use vault repos CentOS 7 is going EOL on June 30, after which its package repos will no longer exist on the regular mirrors. We'll still be able to access packages from the vault server though, and can start doing so now. This affects `dist-i686-linux` and `dist-x86_64-linux`. I also removed `epel-release` because we were only using that for its `cmake3`, but we've been building our own version for a while. --- src/ci/docker/host-x86_64/dist-i686-linux/Dockerfile | 6 +++++- src/ci/docker/host-x86_64/dist-x86_64-linux/Dockerfile | 6 +++++- 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/src/ci/docker/host-x86_64/dist-i686-linux/Dockerfile b/src/ci/docker/host-x86_64/dist-i686-linux/Dockerfile index 1704bef1e4ed..414bcc52484c 100644 --- a/src/ci/docker/host-x86_64/dist-i686-linux/Dockerfile +++ b/src/ci/docker/host-x86_64/dist-i686-linux/Dockerfile @@ -6,8 +6,12 @@ FROM centos:7 WORKDIR /build +# CentOS 7 EOL is June 30, 2024, but the repos remain in the vault. +RUN sed -i /etc/yum.repos.d/*.repo -e 's!^mirrorlist!#mirrorlist!' \ + -e 's!^#baseurl=http://mirror.centos.org/!baseurl=https://vault.centos.org/!' +RUN sed -i 's/enabled=1/enabled=0/' /etc/yum/pluginconf.d/fastestmirror.conf + RUN yum upgrade -y && \ - yum install -y epel-release && \ yum install -y \ automake \ bzip2 \ diff --git a/src/ci/docker/host-x86_64/dist-x86_64-linux/Dockerfile b/src/ci/docker/host-x86_64/dist-x86_64-linux/Dockerfile index 4e1aae982213..4aa1a3ccc2a5 100644 --- a/src/ci/docker/host-x86_64/dist-x86_64-linux/Dockerfile +++ b/src/ci/docker/host-x86_64/dist-x86_64-linux/Dockerfile @@ -6,8 +6,12 @@ FROM centos:7 WORKDIR /build +# CentOS 7 EOL is June 30, 2024, but the repos remain in the vault. +RUN sed -i /etc/yum.repos.d/*.repo -e 's!^mirrorlist!#mirrorlist!' \ + -e 's!^#baseurl=http://mirror.centos.org/!baseurl=https://vault.centos.org/!' +RUN sed -i 's/enabled=1/enabled=0/' /etc/yum/pluginconf.d/fastestmirror.conf + RUN yum upgrade -y && \ - yum install -y epel-release && \ yum install -y \ automake \ bzip2 \ From 6d936263515ad4ca189553759f373abeae9bb548 Mon Sep 17 00:00:00 2001 From: Ed Page Date: Wed, 12 Jun 2024 15:20:58 -0500 Subject: [PATCH 1428/1716] docs(rustc): Help users to check-cfg Cargo docs --- src/doc/rustc/src/check-cfg.md | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/doc/rustc/src/check-cfg.md b/src/doc/rustc/src/check-cfg.md index 8e39adaa4385..a1fc71307b38 100644 --- a/src/doc/rustc/src/check-cfg.md +++ b/src/doc/rustc/src/check-cfg.md @@ -14,6 +14,9 @@ whether to check conditions and how to check them. > **Note:** No implicit expectation is added when using `--cfg`. Users are expected to pass all expected names and values using the _check cfg specification_. +> **Note:** For interacting with this through Cargo, +see [Cargo Specifics](check-cfg/cargo-specifics.md) page. + [^reachable]: `rustc` promises to at least check reachable `#[cfg]`, and while non-reachable `#[cfg]` are not currently checked, they may well be checked in the future without it being a breaking change. From 4b809b9438e891ce28dbf90059f1149a7a5f19a2 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Wed, 12 Jun 2024 16:22:49 -0400 Subject: [PATCH 1429/1716] Move MatchAgainstFreshVars to old solver --- compiler/rustc_infer/src/infer/relate/mod.rs | 2 -- .../src/traits/select}/_match.rs | 6 +++--- compiler/rustc_trait_selection/src/traits/select/mod.rs | 4 ++-- 3 files changed, 5 insertions(+), 7 deletions(-) rename compiler/{rustc_infer/src/infer/relate => rustc_trait_selection/src/traits/select}/_match.rs (97%) diff --git a/compiler/rustc_infer/src/infer/relate/mod.rs b/compiler/rustc_infer/src/infer/relate/mod.rs index e7b50479b850..41cc945492da 100644 --- a/compiler/rustc_infer/src/infer/relate/mod.rs +++ b/compiler/rustc_infer/src/infer/relate/mod.rs @@ -4,11 +4,9 @@ pub use rustc_middle::ty::relate::*; -pub use self::_match::MatchAgainstFreshVars; pub use self::combine::CombineFields; pub use self::combine::PredicateEmittingRelation; -pub mod _match; pub(super) mod combine; mod generalize; mod glb; diff --git a/compiler/rustc_infer/src/infer/relate/_match.rs b/compiler/rustc_trait_selection/src/traits/select/_match.rs similarity index 97% rename from compiler/rustc_infer/src/infer/relate/_match.rs rename to compiler/rustc_trait_selection/src/traits/select/_match.rs index 30a066a265ac..50d8e96aaf91 100644 --- a/compiler/rustc_infer/src/infer/relate/_match.rs +++ b/compiler/rustc_trait_selection/src/traits/select/_match.rs @@ -1,10 +1,10 @@ +use rustc_infer::infer::relate::{ + self, structurally_relate_tys, Relate, RelateResult, TypeRelation, +}; use rustc_middle::ty::error::{ExpectedFound, TypeError}; use rustc_middle::ty::{self, InferConst, Ty, TyCtxt}; use tracing::{debug, instrument}; -use super::{structurally_relate_tys, Relate, RelateResult, TypeRelation}; -use crate::infer::relate; - /// A type "A" *matches* "B" if the fresh types in B could be /// instantiated with values so as to make it equal to A. Matching is /// intended to be used only on freshened types, and it basically diff --git a/compiler/rustc_trait_selection/src/traits/select/mod.rs b/compiler/rustc_trait_selection/src/traits/select/mod.rs index 4306a8035241..42998fbd8620 100644 --- a/compiler/rustc_trait_selection/src/traits/select/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/select/mod.rs @@ -32,7 +32,6 @@ use rustc_data_structures::stack::ensure_sufficient_stack; use rustc_errors::{Diag, EmissionGuarantee}; use rustc_hir as hir; use rustc_hir::def_id::DefId; -use rustc_infer::infer::relate::MatchAgainstFreshVars; use rustc_infer::infer::relate::TypeRelation; use rustc_infer::infer::BoundRegionConversionTime; use rustc_infer::infer::BoundRegionConversionTime::HigherRankedType; @@ -60,6 +59,7 @@ use std::ops::ControlFlow; pub use rustc_middle::traits::select::*; use rustc_middle::ty::print::with_no_trimmed_paths; +mod _match; mod candidate_assembly; mod confirmation; @@ -2719,7 +2719,7 @@ impl<'tcx> SelectionContext<'_, 'tcx> { previous: ty::PolyTraitPredicate<'tcx>, current: ty::PolyTraitPredicate<'tcx>, ) -> bool { - let mut matcher = MatchAgainstFreshVars::new(self.tcx()); + let mut matcher = _match::MatchAgainstFreshVars::new(self.tcx()); matcher.relate(previous, current).is_ok() } From 54fa4b0b741cacb76b3014e96d974283ff81c5d0 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Wed, 12 Jun 2024 15:36:35 -0400 Subject: [PATCH 1430/1716] Use Variance glob import everywhere --- compiler/rustc_borrowck/src/type_check/mod.rs | 12 +++--- .../src/type_check/relate_tys.rs | 40 +++++++------------ compiler/rustc_infer/src/infer/at.rs | 8 ++-- .../rustc_infer/src/infer/opaque_types/mod.rs | 4 +- .../src/infer/outlives/for_liveness.rs | 4 +- .../src/infer/relate/generalize.rs | 18 ++++----- compiler/rustc_infer/src/infer/relate/glb.rs | 7 +--- compiler/rustc_infer/src/infer/relate/lub.rs | 7 +--- .../src/infer/relate/type_relating.rs | 10 ++--- compiler/rustc_middle/src/ty/mod.rs | 1 - compiler/rustc_middle/src/values.rs | 2 +- .../rustc_mir_build/src/build/matches/mod.rs | 2 +- compiler/rustc_mir_build/src/thir/cx/block.rs | 2 +- .../rustc_mir_build/src/thir/pattern/mod.rs | 4 +- compiler/rustc_mir_transform/src/inline.rs | 27 +++---------- .../rustc_smir/src/rustc_smir/convert/ty.rs | 8 ++-- .../src/solve/alias_relate.rs | 6 +-- .../src/solve/normalizes_to/mod.rs | 2 +- compiler/rustc_type_ir/src/lib.rs | 1 + compiler/rustc_type_ir/src/relate.rs | 20 +++++----- 20 files changed, 74 insertions(+), 111 deletions(-) diff --git a/compiler/rustc_borrowck/src/type_check/mod.rs b/compiler/rustc_borrowck/src/type_check/mod.rs index fcfb297d50aa..d62f87de61af 100644 --- a/compiler/rustc_borrowck/src/type_check/mod.rs +++ b/compiler/rustc_borrowck/src/type_check/mod.rs @@ -328,7 +328,7 @@ impl<'a, 'b, 'tcx> Visitor<'tcx> for TypeVerifier<'a, 'b, 'tcx> { if let Some(annotation_index) = constant.user_ty { if let Err(terr) = self.cx.relate_type_and_user_type( constant.const_.ty(), - ty::Variance::Invariant, + ty::Invariant, &UserTypeProjection { base: annotation_index, projs: vec![] }, locations, ConstraintCategory::Boring, @@ -451,7 +451,7 @@ impl<'a, 'b, 'tcx> Visitor<'tcx> for TypeVerifier<'a, 'b, 'tcx> { if let Err(terr) = self.cx.relate_type_and_user_type( ty, - ty::Variance::Invariant, + ty::Invariant, user_ty, Locations::All(*span), ConstraintCategory::TypeAnnotation, @@ -1095,7 +1095,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { ) -> Result<(), NoSolution> { // Use this order of parameters because the sup type is usually the // "expected" type in diagnostics. - self.relate_types(sup, ty::Variance::Contravariant, sub, locations, category) + self.relate_types(sup, ty::Contravariant, sub, locations, category) } #[instrument(skip(self, category), level = "debug")] @@ -1106,7 +1106,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { locations: Locations, category: ConstraintCategory<'tcx>, ) -> Result<(), NoSolution> { - self.relate_types(expected, ty::Variance::Invariant, found, locations, category) + self.relate_types(expected, ty::Invariant, found, locations, category) } #[instrument(skip(self), level = "debug")] @@ -1146,7 +1146,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { trace!(?curr_projected_ty); let ty = curr_projected_ty.ty; - self.relate_types(ty, v.xform(ty::Variance::Contravariant), a, locations, category)?; + self.relate_types(ty, v.xform(ty::Contravariant), a, locations, category)?; Ok(()) } @@ -1248,7 +1248,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { if let Some(annotation_index) = self.rvalue_user_ty(rv) { if let Err(terr) = self.relate_type_and_user_type( rv_ty, - ty::Variance::Invariant, + ty::Invariant, &UserTypeProjection { base: annotation_index, projs: vec![] }, location.to_locations(), ConstraintCategory::Boring, diff --git a/compiler/rustc_borrowck/src/type_check/relate_tys.rs b/compiler/rustc_borrowck/src/type_check/relate_tys.rs index c531c9b209be..b9a82046e59a 100644 --- a/compiler/rustc_borrowck/src/type_check/relate_tys.rs +++ b/compiler/rustc_borrowck/src/type_check/relate_tys.rs @@ -50,14 +50,8 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { locations: Locations, category: ConstraintCategory<'tcx>, ) -> Result<(), NoSolution> { - NllTypeRelating::new( - self, - locations, - category, - UniverseInfo::other(), - ty::Variance::Invariant, - ) - .relate(a, b)?; + NllTypeRelating::new(self, locations, category, UniverseInfo::other(), ty::Invariant) + .relate(a, b)?; Ok(()) } } @@ -106,15 +100,15 @@ impl<'me, 'bccx, 'tcx> NllTypeRelating<'me, 'bccx, 'tcx> { fn ambient_covariance(&self) -> bool { match self.ambient_variance { - ty::Variance::Covariant | ty::Variance::Invariant => true, - ty::Variance::Contravariant | ty::Variance::Bivariant => false, + ty::Covariant | ty::Invariant => true, + ty::Contravariant | ty::Bivariant => false, } } fn ambient_contravariance(&self) -> bool { match self.ambient_variance { - ty::Variance::Contravariant | ty::Variance::Invariant => true, - ty::Variance::Covariant | ty::Variance::Bivariant => false, + ty::Contravariant | ty::Invariant => true, + ty::Covariant | ty::Bivariant => false, } } @@ -336,11 +330,7 @@ impl<'bccx, 'tcx> TypeRelation> for NllTypeRelating<'_, 'bccx, 'tcx debug!(?self.ambient_variance); // In a bivariant context this always succeeds. - let r = if self.ambient_variance == ty::Variance::Bivariant { - Ok(a) - } else { - self.relate(a, b) - }; + let r = if self.ambient_variance == ty::Bivariant { Ok(a) } else { self.relate(a, b) }; self.ambient_variance = old_ambient_variance; @@ -474,7 +464,7 @@ impl<'bccx, 'tcx> TypeRelation> for NllTypeRelating<'_, 'bccx, 'tcx } match self.ambient_variance { - ty::Variance::Covariant => { + ty::Covariant => { // Covariance, so we want `for<..> A <: for<..> B` -- // therefore we compare any instantiation of A (i.e., A // instantiated with existentials) against every @@ -489,7 +479,7 @@ impl<'bccx, 'tcx> TypeRelation> for NllTypeRelating<'_, 'bccx, 'tcx })?; } - ty::Variance::Contravariant => { + ty::Contravariant => { // Contravariance, so we want `for<..> A :> for<..> B` -- // therefore we compare every instantiation of A (i.e., A // instantiated with universals) against any @@ -504,7 +494,7 @@ impl<'bccx, 'tcx> TypeRelation> for NllTypeRelating<'_, 'bccx, 'tcx })?; } - ty::Variance::Invariant => { + ty::Invariant => { // Invariant, so we want `for<..> A == for<..> B` -- // therefore we want `exists<..> A == for<..> B` and // `exists<..> B == for<..> A`. @@ -525,7 +515,7 @@ impl<'bccx, 'tcx> TypeRelation> for NllTypeRelating<'_, 'bccx, 'tcx })?; } - ty::Variance::Bivariant => {} + ty::Bivariant => {} } Ok(a) @@ -584,23 +574,23 @@ impl<'bccx, 'tcx> PredicateEmittingRelation<'tcx> for NllTypeRelating<'_, 'bccx, fn register_alias_relate_predicate(&mut self, a: Ty<'tcx>, b: Ty<'tcx>) { self.register_predicates([ty::Binder::dummy(match self.ambient_variance { - ty::Variance::Covariant => ty::PredicateKind::AliasRelate( + ty::Covariant => ty::PredicateKind::AliasRelate( a.into(), b.into(), ty::AliasRelationDirection::Subtype, ), // a :> b is b <: a - ty::Variance::Contravariant => ty::PredicateKind::AliasRelate( + ty::Contravariant => ty::PredicateKind::AliasRelate( b.into(), a.into(), ty::AliasRelationDirection::Subtype, ), - ty::Variance::Invariant => ty::PredicateKind::AliasRelate( + ty::Invariant => ty::PredicateKind::AliasRelate( a.into(), b.into(), ty::AliasRelationDirection::Equate, ), - ty::Variance::Bivariant => { + ty::Bivariant => { unreachable!("cannot defer an alias-relate goal with Bivariant variance (yet?)") } })]); diff --git a/compiler/rustc_infer/src/infer/at.rs b/compiler/rustc_infer/src/infer/at.rs index 01bd732a4cd8..ed47c8ad991e 100644 --- a/compiler/rustc_infer/src/infer/at.rs +++ b/compiler/rustc_infer/src/infer/at.rs @@ -212,16 +212,16 @@ impl<'a, 'tcx> At<'a, 'tcx> { T: ToTrace<'tcx>, { match variance { - ty::Variance::Covariant => self.sub(define_opaque_types, expected, actual), - ty::Variance::Invariant => self.eq(define_opaque_types, expected, actual), - ty::Variance::Contravariant => self.sup(define_opaque_types, expected, actual), + ty::Covariant => self.sub(define_opaque_types, expected, actual), + ty::Invariant => self.eq(define_opaque_types, expected, actual), + ty::Contravariant => self.sup(define_opaque_types, expected, actual), // We could make this make sense but it's not readily // exposed and I don't feel like dealing with it. Note // that bivariance in general does a bit more than just // *nothing*, it checks that the types are the same // "modulo variance" basically. - ty::Variance::Bivariant => panic!("Bivariant given to `relate()`"), + ty::Bivariant => panic!("Bivariant given to `relate()`"), } } diff --git a/compiler/rustc_infer/src/infer/opaque_types/mod.rs b/compiler/rustc_infer/src/infer/opaque_types/mod.rs index 7114b888718b..b8dd501a721b 100644 --- a/compiler/rustc_infer/src/infer/opaque_types/mod.rs +++ b/compiler/rustc_infer/src/infer/opaque_types/mod.rs @@ -345,7 +345,7 @@ impl<'tcx> InferCtxt<'tcx> { .args .iter() .enumerate() - .filter(|(i, _)| variances[*i] == ty::Variance::Invariant) + .filter(|(i, _)| variances[*i] == ty::Invariant) .filter_map(|(_, arg)| match arg.unpack() { GenericArgKind::Lifetime(r) => Some(r), GenericArgKind::Type(_) | GenericArgKind::Const(_) => None, @@ -441,7 +441,7 @@ where let variances = self.tcx.variances_of(*def_id); for (v, s) in std::iter::zip(variances, args.iter()) { - if *v != ty::Variance::Bivariant { + if *v != ty::Bivariant { s.visit_with(self); } } diff --git a/compiler/rustc_infer/src/infer/outlives/for_liveness.rs b/compiler/rustc_infer/src/infer/outlives/for_liveness.rs index 488f435994d4..c02ab98b2bae 100644 --- a/compiler/rustc_infer/src/infer/outlives/for_liveness.rs +++ b/compiler/rustc_infer/src/infer/outlives/for_liveness.rs @@ -102,9 +102,7 @@ where }; for (idx, s) in args.iter().enumerate() { - if variances.map(|variances| variances[idx]) - != Some(ty::Variance::Bivariant) - { + if variances.map(|variances| variances[idx]) != Some(ty::Bivariant) { s.visit_with(self); } } diff --git a/compiler/rustc_infer/src/infer/relate/generalize.rs b/compiler/rustc_infer/src/infer/relate/generalize.rs index 87a2f0b45803..d6e57d853877 100644 --- a/compiler/rustc_infer/src/infer/relate/generalize.rs +++ b/compiler/rustc_infer/src/infer/relate/generalize.rs @@ -83,16 +83,16 @@ impl<'tcx> InferCtxt<'tcx> { // mention `?0`. if self.next_trait_solver() { let (lhs, rhs, direction) = match instantiation_variance { - ty::Variance::Invariant => { + ty::Invariant => { (generalized_ty.into(), source_ty.into(), AliasRelationDirection::Equate) } - ty::Variance::Covariant => { + ty::Covariant => { (generalized_ty.into(), source_ty.into(), AliasRelationDirection::Subtype) } - ty::Variance::Contravariant => { + ty::Contravariant => { (source_ty.into(), generalized_ty.into(), AliasRelationDirection::Subtype) } - ty::Variance::Bivariant => unreachable!("bivariant generalization"), + ty::Bivariant => unreachable!("bivariant generalization"), }; relation.register_predicates([ty::PredicateKind::AliasRelate(lhs, rhs, direction)]); @@ -192,7 +192,7 @@ impl<'tcx> InferCtxt<'tcx> { relation.span(), relation.structurally_relate_aliases(), target_vid, - ty::Variance::Invariant, + ty::Invariant, source_ct, )?; @@ -210,14 +210,14 @@ impl<'tcx> InferCtxt<'tcx> { // generalized const and the source. if target_is_expected { relation.relate_with_variance( - ty::Variance::Invariant, + ty::Invariant, ty::VarianceDiagInfo::default(), generalized_ct, source_ct, )?; } else { relation.relate_with_variance( - ty::Variance::Invariant, + ty::Invariant, ty::VarianceDiagInfo::default(), source_ct, generalized_ct, @@ -411,7 +411,7 @@ impl<'tcx> TypeRelation> for Generalizer<'_, 'tcx> { a_arg: ty::GenericArgsRef<'tcx>, b_arg: ty::GenericArgsRef<'tcx>, ) -> RelateResult<'tcx, ty::GenericArgsRef<'tcx>> { - if self.ambient_variance == ty::Variance::Invariant { + if self.ambient_variance == ty::Invariant { // Avoid fetching the variance if we are in an invariant // context; no need, and it can induce dependency cycles // (e.g., #41849). @@ -667,7 +667,7 @@ impl<'tcx> TypeRelation> for Generalizer<'_, 'tcx> { // structural. ty::ConstKind::Unevaluated(ty::UnevaluatedConst { def, args }) => { let args = self.relate_with_variance( - ty::Variance::Invariant, + ty::Invariant, ty::VarianceDiagInfo::default(), args, args, diff --git a/compiler/rustc_infer/src/infer/relate/glb.rs b/compiler/rustc_infer/src/infer/relate/glb.rs index cc17e60a79b0..067004ecaebb 100644 --- a/compiler/rustc_infer/src/infer/relate/glb.rs +++ b/compiler/rustc_infer/src/infer/relate/glb.rs @@ -94,12 +94,7 @@ impl<'tcx> TypeRelation> for Glb<'_, '_, 'tcx> { // When higher-ranked types are involved, computing the GLB is // very challenging, switch to invariance. This is obviously // overly conservative but works ok in practice. - self.relate_with_variance( - ty::Variance::Invariant, - ty::VarianceDiagInfo::default(), - a, - b, - )?; + self.relate_with_variance(ty::Invariant, ty::VarianceDiagInfo::default(), a, b)?; Ok(a) } else { Ok(ty::Binder::dummy(self.relate(a.skip_binder(), b.skip_binder())?)) diff --git a/compiler/rustc_infer/src/infer/relate/lub.rs b/compiler/rustc_infer/src/infer/relate/lub.rs index e9d300d349c6..2184416b4cce 100644 --- a/compiler/rustc_infer/src/infer/relate/lub.rs +++ b/compiler/rustc_infer/src/infer/relate/lub.rs @@ -94,12 +94,7 @@ impl<'tcx> TypeRelation> for Lub<'_, '_, 'tcx> { // When higher-ranked types are involved, computing the LUB is // very challenging, switch to invariance. This is obviously // overly conservative but works ok in practice. - self.relate_with_variance( - ty::Variance::Invariant, - ty::VarianceDiagInfo::default(), - a, - b, - )?; + self.relate_with_variance(ty::Invariant, ty::VarianceDiagInfo::default(), a, b)?; Ok(a) } else { Ok(ty::Binder::dummy(self.relate(a.skip_binder(), b.skip_binder())?)) diff --git a/compiler/rustc_infer/src/infer/relate/type_relating.rs b/compiler/rustc_infer/src/infer/relate/type_relating.rs index f7b2f11e3d70..f2bec9392d54 100644 --- a/compiler/rustc_infer/src/infer/relate/type_relating.rs +++ b/compiler/rustc_infer/src/infer/relate/type_relating.rs @@ -42,7 +42,7 @@ impl<'tcx> TypeRelation> for TypeRelating<'_, '_, 'tcx> { a_arg: ty::GenericArgsRef<'tcx>, b_arg: ty::GenericArgsRef<'tcx>, ) -> RelateResult<'tcx, ty::GenericArgsRef<'tcx>> { - if self.ambient_variance == ty::Variance::Invariant { + if self.ambient_variance == ty::Invariant { // Avoid fetching the variance if we are in an invariant // context; no need, and it can induce dependency cycles // (e.g., #41849). @@ -325,23 +325,23 @@ impl<'tcx> PredicateEmittingRelation<'tcx> for TypeRelating<'_, '_, 'tcx> { fn register_alias_relate_predicate(&mut self, a: Ty<'tcx>, b: Ty<'tcx>) { self.register_predicates([ty::Binder::dummy(match self.ambient_variance { - ty::Variance::Covariant => ty::PredicateKind::AliasRelate( + ty::Covariant => ty::PredicateKind::AliasRelate( a.into(), b.into(), ty::AliasRelationDirection::Subtype, ), // a :> b is b <: a - ty::Variance::Contravariant => ty::PredicateKind::AliasRelate( + ty::Contravariant => ty::PredicateKind::AliasRelate( b.into(), a.into(), ty::AliasRelationDirection::Subtype, ), - ty::Variance::Invariant => ty::PredicateKind::AliasRelate( + ty::Invariant => ty::PredicateKind::AliasRelate( a.into(), b.into(), ty::AliasRelationDirection::Equate, ), - ty::Variance::Bivariant => { + ty::Bivariant => { unreachable!("Expected bivariance to be handled in relate_with_variance") } })]); diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs index 83f8de6b6f93..d7804d444b0e 100644 --- a/compiler/rustc_middle/src/ty/mod.rs +++ b/compiler/rustc_middle/src/ty/mod.rs @@ -16,7 +16,6 @@ pub use self::visit::{TypeSuperVisitable, TypeVisitable, TypeVisitableExt, TypeV pub use self::AssocItemContainer::*; pub use self::BorrowKind::*; pub use self::IntVarValue::*; -pub use self::Variance::*; use crate::error::{OpaqueHiddenTypeMismatch, TypeMismatchReason}; use crate::metadata::ModChild; use crate::middle::privacy::EffectiveVisibilities; diff --git a/compiler/rustc_middle/src/values.rs b/compiler/rustc_middle/src/values.rs index 4ae475d35d14..8c323188826b 100644 --- a/compiler/rustc_middle/src/values.rs +++ b/compiler/rustc_middle/src/values.rs @@ -142,7 +142,7 @@ impl<'tcx> Value> for &[ty::Variance] { && let Some(def_id) = frame.query.def_id { let n = tcx.generics_of(def_id).own_params.len(); - vec![ty::Variance::Bivariant; n].leak() + vec![ty::Bivariant; n].leak() } else { span_bug!( cycle_error.usage.as_ref().unwrap().0, diff --git a/compiler/rustc_mir_build/src/build/matches/mod.rs b/compiler/rustc_mir_build/src/build/matches/mod.rs index 541387893698..544f27b84e90 100644 --- a/compiler/rustc_mir_build/src/build/matches/mod.rs +++ b/compiler/rustc_mir_build/src/build/matches/mod.rs @@ -699,7 +699,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { // exactly `T` (i.e., with invariance). The variance field, in // contrast, is intended to be used to relate `T` to the type of // ``. - ty::Variance::Invariant, + ty::Invariant, ), }, ); diff --git a/compiler/rustc_mir_build/src/thir/cx/block.rs b/compiler/rustc_mir_build/src/thir/cx/block.rs index 54eafdd828ae..95cd703dbb3c 100644 --- a/compiler/rustc_mir_build/src/thir/cx/block.rs +++ b/compiler/rustc_mir_build/src/thir/cx/block.rs @@ -92,7 +92,7 @@ impl<'tcx> Cx<'tcx> { kind: PatKind::AscribeUserType { ascription: Ascription { annotation, - variance: ty::Variance::Covariant, + variance: ty::Covariant, }, subpattern: pattern, }, diff --git a/compiler/rustc_mir_build/src/thir/pattern/mod.rs b/compiler/rustc_mir_build/src/thir/pattern/mod.rs index 158ca91fcf13..93db1f618533 100644 --- a/compiler/rustc_mir_build/src/thir/pattern/mod.rs +++ b/compiler/rustc_mir_build/src/thir/pattern/mod.rs @@ -525,7 +525,7 @@ impl<'a, 'tcx> PatCtxt<'a, 'tcx> { }; kind = PatKind::AscribeUserType { subpattern: Box::new(Pat { span, ty, kind }), - ascription: Ascription { annotation, variance: ty::Variance::Covariant }, + ascription: Ascription { annotation, variance: ty::Covariant }, }; } @@ -612,7 +612,7 @@ impl<'a, 'tcx> PatCtxt<'a, 'tcx> { annotation, // Note that use `Contravariant` here. See the // `variance` field documentation for details. - variance: ty::Variance::Contravariant, + variance: ty::Contravariant, }, }, ty: const_.ty(), diff --git a/compiler/rustc_mir_transform/src/inline.rs b/compiler/rustc_mir_transform/src/inline.rs index fe2237dd2e97..2cbe0a01e9ec 100644 --- a/compiler/rustc_mir_transform/src/inline.rs +++ b/compiler/rustc_mir_transform/src/inline.rs @@ -225,13 +225,8 @@ impl<'tcx> Inliner<'tcx> { // Normally, this shouldn't be required, but trait normalization failure can create a // validation ICE. let output_type = callee_body.return_ty(); - if !util::relate_types( - self.tcx, - self.param_env, - ty::Variance::Covariant, - output_type, - destination_ty, - ) { + if !util::relate_types(self.tcx, self.param_env, ty::Covariant, output_type, destination_ty) + { trace!(?output_type, ?destination_ty); return Err("failed to normalize return type"); } @@ -261,13 +256,8 @@ impl<'tcx> Inliner<'tcx> { self_arg_ty.into_iter().chain(arg_tuple_tys).zip(callee_body.args_iter()) { let input_type = callee_body.local_decls[input].ty; - if !util::relate_types( - self.tcx, - self.param_env, - ty::Variance::Covariant, - input_type, - arg_ty, - ) { + if !util::relate_types(self.tcx, self.param_env, ty::Covariant, input_type, arg_ty) + { trace!(?arg_ty, ?input_type); return Err("failed to normalize tuple argument type"); } @@ -276,13 +266,8 @@ impl<'tcx> Inliner<'tcx> { for (arg, input) in args.iter().zip(callee_body.args_iter()) { let input_type = callee_body.local_decls[input].ty; let arg_ty = arg.node.ty(&caller_body.local_decls, self.tcx); - if !util::relate_types( - self.tcx, - self.param_env, - ty::Variance::Covariant, - input_type, - arg_ty, - ) { + if !util::relate_types(self.tcx, self.param_env, ty::Covariant, input_type, arg_ty) + { trace!(?arg_ty, ?input_type); return Err("failed to normalize argument type"); } diff --git a/compiler/rustc_smir/src/rustc_smir/convert/ty.rs b/compiler/rustc_smir/src/rustc_smir/convert/ty.rs index 73bc87dc9abf..e3cd7187e773 100644 --- a/compiler/rustc_smir/src/rustc_smir/convert/ty.rs +++ b/compiler/rustc_smir/src/rustc_smir/convert/ty.rs @@ -866,10 +866,10 @@ impl<'tcx> Stable<'tcx> for ty::Variance { type T = stable_mir::mir::Variance; fn stable(&self, _: &mut Tables<'_>) -> Self::T { match self { - ty::Variance::Bivariant => stable_mir::mir::Variance::Bivariant, - ty::Variance::Contravariant => stable_mir::mir::Variance::Contravariant, - ty::Variance::Covariant => stable_mir::mir::Variance::Covariant, - ty::Variance::Invariant => stable_mir::mir::Variance::Invariant, + ty::Bivariant => stable_mir::mir::Variance::Bivariant, + ty::Contravariant => stable_mir::mir::Variance::Contravariant, + ty::Covariant => stable_mir::mir::Variance::Covariant, + ty::Invariant => stable_mir::mir::Variance::Invariant, } } } diff --git a/compiler/rustc_trait_selection/src/solve/alias_relate.rs b/compiler/rustc_trait_selection/src/solve/alias_relate.rs index 4d7e2fc2cefa..c521189d54a5 100644 --- a/compiler/rustc_trait_selection/src/solve/alias_relate.rs +++ b/compiler/rustc_trait_selection/src/solve/alias_relate.rs @@ -55,8 +55,8 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { trace!(?lhs, ?rhs); let variance = match direction { - ty::AliasRelationDirection::Equate => ty::Variance::Invariant, - ty::AliasRelationDirection::Subtype => ty::Variance::Covariant, + ty::AliasRelationDirection::Equate => ty::Invariant, + ty::AliasRelationDirection::Subtype => ty::Covariant, }; match (lhs.to_alias_term(), rhs.to_alias_term()) { (None, None) => { @@ -72,7 +72,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { self.relate_rigid_alias_non_alias( param_env, alias, - variance.xform(ty::Variance::Contravariant), + variance.xform(ty::Contravariant), lhs, )?; self.evaluate_added_goals_and_make_canonical_response(Certainty::Yes) diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs b/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs index 787f08a084ee..38362a3032d5 100644 --- a/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs @@ -40,7 +40,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { Ok(res) => Ok(res), Err(NoSolution) => { let Goal { param_env, predicate: NormalizesTo { alias, term } } = goal; - self.relate_rigid_alias_non_alias(param_env, alias, ty::Variance::Invariant, term)?; + self.relate_rigid_alias_non_alias(param_env, alias, ty::Invariant, term)?; self.evaluate_added_goals_and_make_canonical_response(Certainty::Yes) } } diff --git a/compiler/rustc_type_ir/src/lib.rs b/compiler/rustc_type_ir/src/lib.rs index a76e278cc05d..e92526b1d630 100644 --- a/compiler/rustc_type_ir/src/lib.rs +++ b/compiler/rustc_type_ir/src/lib.rs @@ -73,6 +73,7 @@ pub use DynKind::*; pub use InferTy::*; pub use RegionKind::*; pub use TyKind::*; +pub use Variance::*; rustc_index::newtype_index! { /// A [De Bruijn index][dbi] is a standard means of representing diff --git a/compiler/rustc_type_ir/src/relate.rs b/compiler/rustc_type_ir/src/relate.rs index cae1d13020d3..8a6ba87b60e0 100644 --- a/compiler/rustc_type_ir/src/relate.rs +++ b/compiler/rustc_type_ir/src/relate.rs @@ -128,7 +128,7 @@ pub fn relate_args_invariantly>( b_arg: I::GenericArgs, ) -> RelateResult { relation.tcx().mk_args_from_iter(iter::zip(a_arg, b_arg).map(|(a, b)| { - relation.relate_with_variance(ty::Variance::Invariant, VarianceDiagInfo::default(), a, b) + relation.relate_with_variance(ty::Invariant, VarianceDiagInfo::default(), a, b) })) } @@ -145,7 +145,7 @@ pub fn relate_args_with_variances>( let mut cached_ty = None; let params = iter::zip(a_arg, b_arg).enumerate().map(|(i, (a, b))| { let variance = variances[i]; - let variance_info = if variance == ty::Variance::Invariant && fetch_ty_for_diag { + let variance_info = if variance == ty::Invariant && fetch_ty_for_diag { let ty = *cached_ty.get_or_insert_with(|| tcx.type_of(ty_def_id).instantiate(tcx, &a_arg)); VarianceDiagInfo::Invariant { ty, param_index: i.try_into().unwrap() } @@ -191,7 +191,7 @@ impl Relate for ty::FnSig { relation.relate(a, b) } else { relation.relate_with_variance( - ty::Variance::Contravariant, + ty::Contravariant, VarianceDiagInfo::default(), a, b, @@ -311,13 +311,13 @@ impl Relate for ty::ExistentialProjection { })) } else { let term = relation.relate_with_variance( - ty::Variance::Invariant, + ty::Invariant, VarianceDiagInfo::default(), a.term, b.term, )?; let args = relation.relate_with_variance( - ty::Variance::Invariant, + ty::Invariant, VarianceDiagInfo::default(), a.args, b.args, @@ -466,9 +466,9 @@ pub fn structurally_relate_tys>( } let (variance, info) = match a_mutbl { - Mutability::Not => (ty::Variance::Covariant, VarianceDiagInfo::None), + Mutability::Not => (ty::Covariant, VarianceDiagInfo::None), Mutability::Mut => { - (ty::Variance::Invariant, VarianceDiagInfo::Invariant { ty: a, param_index: 0 }) + (ty::Invariant, VarianceDiagInfo::Invariant { ty: a, param_index: 0 }) } }; @@ -483,9 +483,9 @@ pub fn structurally_relate_tys>( } let (variance, info) = match a_mutbl { - Mutability::Not => (ty::Variance::Covariant, VarianceDiagInfo::None), + Mutability::Not => (ty::Covariant, VarianceDiagInfo::None), Mutability::Mut => { - (ty::Variance::Invariant, VarianceDiagInfo::Invariant { ty: a, param_index: 0 }) + (ty::Invariant, VarianceDiagInfo::Invariant { ty: a, param_index: 0 }) } }; @@ -612,7 +612,7 @@ pub fn structurally_relate_consts>( } let args = relation.relate_with_variance( - ty::Variance::Invariant, + ty::Invariant, VarianceDiagInfo::default(), au.args, bu.args, From 9232bd2e83dcd14859131e978c96e8230c7b19a2 Mon Sep 17 00:00:00 2001 From: Ed Page Date: Wed, 12 Jun 2024 15:27:27 -0500 Subject: [PATCH 1431/1716] docs(rustc): Link unexpected_cfgs to the Cargo.toml docs This is the first time we have a lint with configuration exposed in `Cargo.toml`. When this was done, interest was expressed in using this for other cases in the future. To this end, we need to make the documentation for the lint configuration discoverable from the documentation for that lint. --- compiler/rustc_lint_defs/src/builtin.rs | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs index d0d570db04f8..e82e5d5bb656 100644 --- a/compiler/rustc_lint_defs/src/builtin.rs +++ b/compiler/rustc_lint_defs/src/builtin.rs @@ -3256,7 +3256,11 @@ declare_lint! { /// See the [Checking Conditional Configurations][check-cfg] section for more /// details. /// + /// See the [Cargo Specifics][unexpected_cfgs_lint_config] section for configuring this lint in + /// `Cargo.toml`. + /// /// [check-cfg]: https://doc.rust-lang.org/nightly/rustc/check-cfg.html + /// [unexpected_cfgs_lint_config]: https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html#check-cfg-in-lintsrust-table pub UNEXPECTED_CFGS, Warn, "detects unexpected names and values in `#[cfg]` conditions", From e171e648ea0dfd7af91c3cb8e66b53c516e910c5 Mon Sep 17 00:00:00 2001 From: Ed Page Date: Wed, 12 Jun 2024 15:57:13 -0500 Subject: [PATCH 1432/1716] docs(rustc): De-emphasize --cfg/--check-cfg note At the suggestion of @Urgau --- src/doc/rustc/src/check-cfg.md | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/src/doc/rustc/src/check-cfg.md b/src/doc/rustc/src/check-cfg.md index a1fc71307b38..dfc4871b924d 100644 --- a/src/doc/rustc/src/check-cfg.md +++ b/src/doc/rustc/src/check-cfg.md @@ -11,9 +11,6 @@ development process. In order to accomplish that goal, `rustc` accepts the `--check-cfg` flag, which specifies whether to check conditions and how to check them. -> **Note:** No implicit expectation is added when using `--cfg`. Users are expected to -pass all expected names and values using the _check cfg specification_. - > **Note:** For interacting with this through Cargo, see [Cargo Specifics](check-cfg/cargo-specifics.md) page. @@ -26,6 +23,9 @@ breaking change. To specify expected names and values, the _check cfg specification_ provides the `cfg(...)` option which enables specifying for an expected config name and it's expected values. +> **Note:** No implicit expectation is added when using `--cfg`. Users are expected to +pass all expected names and values using the _check cfg specification_. + It has this basic form: ```bash From c8c6598f17128b3ac1ec3573dc54876d24cc7a77 Mon Sep 17 00:00:00 2001 From: "Celina G. Val" Date: Wed, 12 Jun 2024 16:01:38 -0700 Subject: [PATCH 1433/1716] Unify intrinsics body handling in StableMIR rust-lang/rust#120675 introduced a new mechanism to declare intrinsics which will potentially replace the rust-intrinsic ABI. The new mechanism introduces a placeholder body and mark the intrinsic with #[rustc_intrinsic_must_be_overridden]. In practice, this means that backends should not generate code for the placeholder, and shim the intrinsic. The new annotation is an internal compiler implementation, and it doesn't need to be exposed to StableMIR users. In this PR, intrinsics marked with `rustc_intrinsic_must_be_overridden` are handled the same way as intrinsics that do not have a body. --- compiler/rustc_smir/src/rustc_smir/context.rs | 16 +++++--------- compiler/rustc_smir/src/rustc_smir/mod.rs | 21 +++++++++++++++++-- compiler/stable_mir/src/compiler_interface.rs | 4 ---- compiler/stable_mir/src/ty.rs | 7 ++++++- .../stable-mir/check_intrinsics.rs | 19 ++++++++++------- 5 files changed, 42 insertions(+), 25 deletions(-) diff --git a/compiler/rustc_smir/src/rustc_smir/context.rs b/compiler/rustc_smir/src/rustc_smir/context.rs index a8688c88601c..64174981b79a 100644 --- a/compiler/rustc_smir/src/rustc_smir/context.rs +++ b/compiler/rustc_smir/src/rustc_smir/context.rs @@ -63,9 +63,10 @@ impl<'tcx> Context for TablesWrapper<'tcx> { } fn has_body(&self, def: DefId) -> bool { - let tables = self.0.borrow(); - let def_id = tables[def]; - tables.tcx.is_mir_available(def_id) + let mut tables = self.0.borrow_mut(); + let tcx = tables.tcx; + let def_id = def.internal(&mut *tables, tcx); + tables.item_has_body(def_id) } fn foreign_modules(&self, crate_num: CrateNum) -> Vec { @@ -322,13 +323,6 @@ impl<'tcx> Context for TablesWrapper<'tcx> { tcx.intrinsic(def_id).unwrap().name.to_string() } - fn intrinsic_must_be_overridden(&self, def: IntrinsicDef) -> bool { - let mut tables = self.0.borrow_mut(); - let tcx = tables.tcx; - let def_id = def.0.internal(&mut *tables, tcx); - tcx.intrinsic_raw(def_id).unwrap().must_be_overridden - } - fn closure_sig(&self, args: &GenericArgs) -> PolyFnSig { let mut tables = self.0.borrow_mut(); let tcx = tables.tcx; @@ -515,7 +509,7 @@ impl<'tcx> Context for TablesWrapper<'tcx> { let mut tables = self.0.borrow_mut(); let instance = tables.instances[def]; tables - .has_body(instance) + .instance_has_body(instance) .then(|| BodyBuilder::new(tables.tcx, instance).build(&mut *tables)) } diff --git a/compiler/rustc_smir/src/rustc_smir/mod.rs b/compiler/rustc_smir/src/rustc_smir/mod.rs index d13e78033263..89f9adfcfd66 100644 --- a/compiler/rustc_smir/src/rustc_smir/mod.rs +++ b/compiler/rustc_smir/src/rustc_smir/mod.rs @@ -51,9 +51,13 @@ impl<'tcx> Tables<'tcx> { self.mir_consts.create_or_fetch(constant) } - pub(crate) fn has_body(&self, instance: Instance<'tcx>) -> bool { + /// Return whether the instance as a body available. + /// + /// Items and intrinsics may have a body available from its definition. + /// Shims body may be generated depending on their type. + pub(crate) fn instance_has_body(&self, instance: Instance<'tcx>) -> bool { let def_id = instance.def_id(); - self.tcx.is_mir_available(def_id) + self.item_has_body(def_id) || !matches!( instance.def, ty::InstanceDef::Virtual(..) @@ -61,6 +65,19 @@ impl<'tcx> Tables<'tcx> { | ty::InstanceDef::Item(..) ) } + + /// Return whether the item has a body defined by the user. + /// + /// Note that intrinsics may have a placeholder body that shouldn't be used in practice. + /// In StableMIR, we handle this case as if the body is not available. + pub(crate) fn item_has_body(&self, def_id: DefId) -> bool { + let must_override = if let Some(intrinsic) = self.tcx.intrinsic(def_id) { + intrinsic.must_be_overridden + } else { + false + }; + !must_override && self.tcx.is_mir_available(def_id) + } } /// Build a stable mir crate from a given crate number. diff --git a/compiler/stable_mir/src/compiler_interface.rs b/compiler/stable_mir/src/compiler_interface.rs index 085dfd9ea890..3e138e3c2e04 100644 --- a/compiler/stable_mir/src/compiler_interface.rs +++ b/compiler/stable_mir/src/compiler_interface.rs @@ -94,10 +94,6 @@ pub trait Context { /// Retrieve the plain function name of an intrinsic. fn intrinsic_name(&self, def: IntrinsicDef) -> Symbol; - /// Returns whether the intrinsic has no meaningful body and all backends - /// need to shim all calls to it. - fn intrinsic_must_be_overridden(&self, def: IntrinsicDef) -> bool; - /// Retrieve the closure signature for the given generic arguments. fn closure_sig(&self, args: &GenericArgs) -> PolyFnSig; diff --git a/compiler/stable_mir/src/ty.rs b/compiler/stable_mir/src/ty.rs index bcbe87f7303b..cdf1b0641ff3 100644 --- a/compiler/stable_mir/src/ty.rs +++ b/compiler/stable_mir/src/ty.rs @@ -658,6 +658,11 @@ impl FnDef { with(|ctx| ctx.has_body(self.0).then(|| ctx.mir_body(self.0))) } + // Check if the function body is available. + pub fn has_body(&self) -> bool { + with(|ctx| ctx.has_body(self.0)) + } + /// Get the information of the intrinsic if this function is a definition of one. pub fn as_intrinsic(&self) -> Option { with(|cx| cx.intrinsic(self.def_id())) @@ -684,7 +689,7 @@ impl IntrinsicDef { /// Returns whether the intrinsic has no meaningful body and all backends /// need to shim all calls to it. pub fn must_be_overridden(&self) -> bool { - with(|cx| cx.intrinsic_must_be_overridden(*self)) + with(|cx| !cx.has_body(self.0)) } } diff --git a/tests/ui-fulldeps/stable-mir/check_intrinsics.rs b/tests/ui-fulldeps/stable-mir/check_intrinsics.rs index 7e247ce0c75d..d7f37f36681b 100644 --- a/tests/ui-fulldeps/stable-mir/check_intrinsics.rs +++ b/tests/ui-fulldeps/stable-mir/check_intrinsics.rs @@ -55,16 +55,19 @@ fn test_intrinsics() -> ControlFlow<()> { /// /// If by any chance this test breaks because you changed how an intrinsic is implemented, please /// update the test to invoke a different intrinsic. +/// +/// In StableMIR, we only expose intrinsic body if they are not marked with +/// `rustc_intrinsic_must_be_overridden`. fn check_instance(instance: &Instance) { assert_eq!(instance.kind, InstanceKind::Intrinsic); let name = instance.intrinsic_name().unwrap(); if instance.has_body() { let Some(body) = instance.body() else { unreachable!("Expected a body") }; assert!(!body.blocks.is_empty()); - assert_matches!(name.as_str(), "likely" | "vtable_size"); + assert_eq!(&name, "likely"); } else { assert!(instance.body().is_none()); - assert_eq!(&name, "size_of_val"); + assert_matches!(name.as_str(), "size_of_val" | "vtable_size"); } } @@ -75,11 +78,13 @@ fn check_def(fn_def: FnDef) { let name = intrinsic.fn_name(); match name.as_str() { - "likely" | "size_of_val" => { + "likely" => { assert!(!intrinsic.must_be_overridden()); + assert!(fn_def.has_body()); } - "vtable_size" => { + "vtable_size" | "size_of_val" => { assert!(intrinsic.must_be_overridden()); + assert!(!fn_def.has_body()); } _ => unreachable!("Unexpected intrinsic: {}", name), } @@ -96,9 +101,9 @@ impl<'a> MirVisitor for CallsVisitor<'a> { TerminatorKind::Call { func, .. } => { let TyKind::RigidTy(RigidTy::FnDef(def, args)) = func.ty(self.locals).unwrap().kind() - else { - return; - }; + else { + return; + }; self.calls.push((def, args.clone())); } _ => {} From 52b2c88bdfb27a2b5011ee76361e24b2cd31654b Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Tue, 28 May 2024 14:50:22 -0400 Subject: [PATCH 1434/1716] Walk into alias-eq nested goals even if normalization fails --- .../src/solve/alias_relate.rs | 6 +++++ .../src/solve/fulfill.rs | 9 +++---- .../src/solve/inspect/analyse.rs | 7 +++-- ...t-impl-for-trait-obj-coherence.next.stderr | 4 +-- .../indirect-impl-for-trait-obj-coherence.rs | 2 +- .../occurs-check/associated-type.next.stderr | 4 +-- .../as_expression.next.stderr | 2 +- .../opaque-type-unsatisfied-bound.rs | 1 + .../opaque-type-unsatisfied-bound.stderr | 11 +++++++- ...st-region-infer-to-static-in-binder.stderr | 4 +-- .../diagnostics/projection-trait-ref.rs | 17 ++++++++++++ .../diagnostics/projection-trait-ref.stderr | 26 +++++++++++++++++++ .../specialization-transmute.stderr | 8 +++--- .../issue-84660-unsoundness.next.stderr | 4 +-- 14 files changed, 83 insertions(+), 22 deletions(-) create mode 100644 tests/ui/traits/next-solver/diagnostics/projection-trait-ref.rs create mode 100644 tests/ui/traits/next-solver/diagnostics/projection-trait-ref.stderr diff --git a/compiler/rustc_trait_selection/src/solve/alias_relate.rs b/compiler/rustc_trait_selection/src/solve/alias_relate.rs index 4d7e2fc2cefa..59a8de99b8f6 100644 --- a/compiler/rustc_trait_selection/src/solve/alias_relate.rs +++ b/compiler/rustc_trait_selection/src/solve/alias_relate.rs @@ -48,6 +48,12 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { rhs }; + // Add a `make_canonical_response` probe step so that we treat this as + // a candidate, even if `try_evaluate_added_goals` bails due to an error. + // It's `Certainty::AMBIGUOUS` because this candidate is not "finished", + // since equating the normalized terms will lead to additional constraints. + self.inspect.make_canonical_response(Certainty::AMBIGUOUS); + // Apply the constraints. self.try_evaluate_added_goals()?; let lhs = self.resolve_vars_if_possible(lhs); diff --git a/compiler/rustc_trait_selection/src/solve/fulfill.rs b/compiler/rustc_trait_selection/src/solve/fulfill.rs index dc13941e5d7b..0e9cbbc27b60 100644 --- a/compiler/rustc_trait_selection/src/solve/fulfill.rs +++ b/compiler/rustc_trait_selection/src/solve/fulfill.rs @@ -460,9 +460,8 @@ impl<'tcx> ProofTreeVisitor<'tcx> for BestObligation<'tcx> { polarity: ty::PredicatePolarity::Positive, })) } - ty::PredicateKind::Clause(ty::ClauseKind::WellFormed(_)) => { - ChildMode::WellFormedObligation - } + ty::PredicateKind::Clause(ty::ClauseKind::WellFormed(_)) + | ty::PredicateKind::AliasRelate(..) => ChildMode::PassThrough, _ => { return ControlFlow::Break(self.obligation.clone()); } @@ -496,7 +495,7 @@ impl<'tcx> ProofTreeVisitor<'tcx> for BestObligation<'tcx> { (_, GoalSource::InstantiateHigherRanked) => { obligation = self.obligation.clone(); } - (ChildMode::WellFormedObligation, _) => { + (ChildMode::PassThrough, _) => { obligation = make_obligation(self.obligation.cause.clone()); } } @@ -527,7 +526,7 @@ enum ChildMode<'tcx> { // Skip trying to derive an `ObligationCause` from this obligation, and // report *all* sub-obligations as if they came directly from the parent // obligation. - WellFormedObligation, + PassThrough, } fn derive_cause<'tcx>( diff --git a/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs b/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs index 19c95dad48cb..b9c98b6a2e96 100644 --- a/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs +++ b/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs @@ -15,7 +15,7 @@ use rustc_infer::infer::{DefineOpaqueTypes, InferCtxt, InferOk}; use rustc_macros::extension; use rustc_middle::traits::query::NoSolution; use rustc_middle::traits::solve::{inspect, QueryResult}; -use rustc_middle::traits::solve::{Certainty, Goal}; +use rustc_middle::traits::solve::{Certainty, Goal, MaybeCause}; use rustc_middle::traits::ObligationCause; use rustc_middle::ty::{TyCtxt, TypeFoldable}; use rustc_middle::{bug, ty}; @@ -291,7 +291,10 @@ impl<'a, 'tcx> InspectGoal<'a, 'tcx> { steps.push(step) } inspect::ProbeStep::MakeCanonicalResponse { shallow_certainty: c } => { - assert_eq!(shallow_certainty.replace(c), None); + assert!(matches!( + shallow_certainty.replace(c), + None | Some(Certainty::Maybe(MaybeCause::Ambiguity)) + )); } inspect::ProbeStep::NestedProbe(ref probe) => { match probe.kind { diff --git a/tests/ui/coherence/indirect-impl-for-trait-obj-coherence.next.stderr b/tests/ui/coherence/indirect-impl-for-trait-obj-coherence.next.stderr index 6e41561f1a7b..0e1e28ce9821 100644 --- a/tests/ui/coherence/indirect-impl-for-trait-obj-coherence.next.stderr +++ b/tests/ui/coherence/indirect-impl-for-trait-obj-coherence.next.stderr @@ -1,8 +1,8 @@ -error[E0284]: type annotations needed: cannot satisfy ` as Object>::Output == T` +error[E0284]: type annotations needed: cannot satisfy ` as Object>::Output normalizes-to _` --> $DIR/indirect-impl-for-trait-obj-coherence.rs:25:41 | LL | foo::, U>(x) - | ^ cannot satisfy ` as Object>::Output == T` + | ^ cannot satisfy ` as Object>::Output normalizes-to _` error: aborting due to 1 previous error diff --git a/tests/ui/coherence/indirect-impl-for-trait-obj-coherence.rs b/tests/ui/coherence/indirect-impl-for-trait-obj-coherence.rs index 0b66a6e78303..8ad9aab466ab 100644 --- a/tests/ui/coherence/indirect-impl-for-trait-obj-coherence.rs +++ b/tests/ui/coherence/indirect-impl-for-trait-obj-coherence.rs @@ -23,7 +23,7 @@ fn foo(x: >::Output) -> U { #[allow(dead_code)] fn transmute(x: T) -> U { foo::, U>(x) - //[next]~^ ERROR type annotations needed: cannot satisfy ` as Object>::Output == T` + //[next]~^ ERROR type annotations needed: cannot satisfy ` as Object>::Output normalizes-to _` } fn main() {} diff --git a/tests/ui/coherence/occurs-check/associated-type.next.stderr b/tests/ui/coherence/occurs-check/associated-type.next.stderr index f32bb1301da5..b38f7c1ef77a 100644 --- a/tests/ui/coherence/occurs-check/associated-type.next.stderr +++ b/tests/ui/coherence/occurs-check/associated-type.next.stderr @@ -16,11 +16,11 @@ LL | | for<'a> *const T: ToUnit<'a>, | = note: this behavior recently changed as a result of a bug fix; see rust-lang/rust#56105 for details -error[E0284]: type annotations needed: cannot satisfy ` fn(&'a (), ()) as Overlap fn(&'a (), ())>>::Assoc == usize` +error[E0284]: type annotations needed: cannot satisfy ` fn(&'a (), ()) as Overlap fn(&'a (), ())>>::Assoc normalizes-to _` --> $DIR/associated-type.rs:44:59 | LL | foo:: fn(&'a (), ()), for<'a> fn(&'a (), ())>(3usize); - | ^^^^^^ cannot satisfy ` fn(&'a (), ()) as Overlap fn(&'a (), ())>>::Assoc == usize` + | ^^^^^^ cannot satisfy ` fn(&'a (), ()) as Overlap fn(&'a (), ())>>::Assoc normalizes-to _` error: aborting due to 2 previous errors diff --git a/tests/ui/diagnostic_namespace/do_not_recommend/as_expression.next.stderr b/tests/ui/diagnostic_namespace/do_not_recommend/as_expression.next.stderr index 568cb8931a19..d189d2dbdedc 100644 --- a/tests/ui/diagnostic_namespace/do_not_recommend/as_expression.next.stderr +++ b/tests/ui/diagnostic_namespace/do_not_recommend/as_expression.next.stderr @@ -25,7 +25,7 @@ LL | SelectInt.check("bar"); = help: the trait `AsExpression` is implemented for `&str` = help: for that trait implementation, expected `Text`, found `Integer` -error[E0271]: type mismatch resolving `<&str as AsExpression<::SqlType>>::Expression == _` +error[E0271]: type mismatch resolving `::SqlType == Text` --> $DIR/as_expression.rs:57:5 | LL | SelectInt.check("bar"); diff --git a/tests/ui/traits/negative-bounds/opaque-type-unsatisfied-bound.rs b/tests/ui/traits/negative-bounds/opaque-type-unsatisfied-bound.rs index 2607f047024d..35757f2339db 100644 --- a/tests/ui/traits/negative-bounds/opaque-type-unsatisfied-bound.rs +++ b/tests/ui/traits/negative-bounds/opaque-type-unsatisfied-bound.rs @@ -18,3 +18,4 @@ fn weird1() -> impl !Sized + Sized {} //~^ ERROR type mismatch resolving `impl !Sized + Sized == ()` fn weird2() -> impl !Sized {} //~^ ERROR type mismatch resolving `impl !Sized == ()` +//~| ERROR the size for values of type `impl !Sized` cannot be known at compilation time diff --git a/tests/ui/traits/negative-bounds/opaque-type-unsatisfied-bound.stderr b/tests/ui/traits/negative-bounds/opaque-type-unsatisfied-bound.stderr index ceaf42431fec..3dd2b27b55b6 100644 --- a/tests/ui/traits/negative-bounds/opaque-type-unsatisfied-bound.stderr +++ b/tests/ui/traits/negative-bounds/opaque-type-unsatisfied-bound.stderr @@ -16,6 +16,15 @@ error[E0271]: type mismatch resolving `impl !Sized == ()` LL | fn weird2() -> impl !Sized {} | ^^^^^^^^^^^ types differ +error[E0277]: the size for values of type `impl !Sized` cannot be known at compilation time + --> $DIR/opaque-type-unsatisfied-bound.rs:19:16 + | +LL | fn weird2() -> impl !Sized {} + | ^^^^^^^^^^^ doesn't have a size known at compile-time + | + = help: the trait `Sized` is not implemented for `impl !Sized` + = note: the return type of a function must have a statically known size + error[E0277]: the trait bound `impl !Trait: Trait` is not satisfied --> $DIR/opaque-type-unsatisfied-bound.rs:12:13 | @@ -30,7 +39,7 @@ note: required by a bound in `consume` LL | fn consume(_: impl Trait) {} | ^^^^^ required by this bound in `consume` -error: aborting due to 4 previous errors +error: aborting due to 5 previous errors Some errors have detailed explanations: E0271, E0277. For more information about an error, try `rustc --explain E0271`. diff --git a/tests/ui/traits/next-solver/canonical/const-region-infer-to-static-in-binder.stderr b/tests/ui/traits/next-solver/canonical/const-region-infer-to-static-in-binder.stderr index 9dde1963bd49..f533f899f260 100644 --- a/tests/ui/traits/next-solver/canonical/const-region-infer-to-static-in-binder.stderr +++ b/tests/ui/traits/next-solver/canonical/const-region-infer-to-static-in-binder.stderr @@ -1,8 +1,8 @@ -error[E0284]: type annotations needed: cannot satisfy `{ || {} } == _` +error[E0284]: type annotations needed: cannot satisfy `X::{constant#0} normalizes-to _` --> $DIR/const-region-infer-to-static-in-binder.rs:4:10 | LL | struct X; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot satisfy `{ || {} } == _` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot satisfy `X::{constant#0} normalizes-to _` error: using function pointers as const generic parameters is forbidden --> $DIR/const-region-infer-to-static-in-binder.rs:4:20 diff --git a/tests/ui/traits/next-solver/diagnostics/projection-trait-ref.rs b/tests/ui/traits/next-solver/diagnostics/projection-trait-ref.rs new file mode 100644 index 000000000000..a3ab7bf03e55 --- /dev/null +++ b/tests/ui/traits/next-solver/diagnostics/projection-trait-ref.rs @@ -0,0 +1,17 @@ +//@ compile-flags: -Znext-solver + +trait Trait { + type Assoc; +} + +fn test_poly() { + let x: ::Assoc = (); + //~^ ERROR the trait bound `T: Trait` is not satisfied +} + +fn test() { + let x: ::Assoc = (); + //~^ ERROR the trait bound `i32: Trait` is not satisfied +} + +fn main() {} diff --git a/tests/ui/traits/next-solver/diagnostics/projection-trait-ref.stderr b/tests/ui/traits/next-solver/diagnostics/projection-trait-ref.stderr new file mode 100644 index 000000000000..cd8d8b3ffcd3 --- /dev/null +++ b/tests/ui/traits/next-solver/diagnostics/projection-trait-ref.stderr @@ -0,0 +1,26 @@ +error[E0277]: the trait bound `T: Trait` is not satisfied + --> $DIR/projection-trait-ref.rs:8:12 + | +LL | let x: ::Assoc = (); + | ^^^^^^^^^^^^^^^^^^^ the trait `Trait` is not implemented for `T` + | +help: consider restricting type parameter `T` + | +LL | fn test_poly() { + | +++++++ + +error[E0277]: the trait bound `i32: Trait` is not satisfied + --> $DIR/projection-trait-ref.rs:13:12 + | +LL | let x: ::Assoc = (); + | ^^^^^^^^^^^^^^^^^^^^^ the trait `Trait` is not implemented for `i32` + | +help: this trait has no implementations, consider adding one + --> $DIR/projection-trait-ref.rs:3:1 + | +LL | trait Trait { + | ^^^^^^^^^^^ + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/traits/next-solver/specialization-transmute.stderr b/tests/ui/traits/next-solver/specialization-transmute.stderr index 524522bef098..3230ceb69cb7 100644 --- a/tests/ui/traits/next-solver/specialization-transmute.stderr +++ b/tests/ui/traits/next-solver/specialization-transmute.stderr @@ -10,17 +10,17 @@ LL | #![feature(specialization)] error: cannot normalize `::Id: '_` -error[E0284]: type annotations needed: cannot satisfy `::Id == _` +error[E0284]: type annotations needed: cannot satisfy `::Id normalizes-to _` --> $DIR/specialization-transmute.rs:15:23 | LL | fn intu(&self) -> &Self::Id { - | ^^^^^^^^^ cannot satisfy `::Id == _` + | ^^^^^^^^^ cannot satisfy `::Id normalizes-to _` -error[E0284]: type annotations needed: cannot satisfy `T <: ::Id` +error[E0284]: type annotations needed: cannot satisfy `::Id normalizes-to T` --> $DIR/specialization-transmute.rs:17:9 | LL | self - | ^^^^ cannot satisfy `T <: ::Id` + | ^^^^ cannot satisfy `::Id normalizes-to T` error[E0284]: type annotations needed: cannot satisfy `::Id == Option>` --> $DIR/specialization-transmute.rs:28:13 diff --git a/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.next.stderr b/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.next.stderr index 4c8a25edfedb..5a728a00138c 100644 --- a/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.next.stderr +++ b/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.next.stderr @@ -1,4 +1,4 @@ -error[E0284]: type annotations needed: cannot satisfy `>::Out == ()` +error[E0284]: type annotations needed: cannot satisfy `Bar == _` --> $DIR/issue-84660-unsoundness.rs:22:37 | LL | fn convert(_i: In) -> Self::Out { @@ -7,7 +7,7 @@ LL | | LL | | LL | | unreachable!(); LL | | } - | |_____^ cannot satisfy `>::Out == ()` + | |_____^ cannot satisfy `Bar == _` error[E0119]: conflicting implementations of trait `Trait` --> $DIR/issue-84660-unsoundness.rs:29:1 From b0c14743811866a63aac3177e5f9f820af477458 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Tue, 4 Jun 2024 09:17:18 -0400 Subject: [PATCH 1435/1716] better error message for normalizes-to ambiguities --- .../traits/error_reporting/type_err_ctxt_ext.rs | 16 ++++++++++++++++ ...rect-impl-for-trait-obj-coherence.next.stderr | 4 ++-- .../indirect-impl-for-trait-obj-coherence.rs | 2 +- .../occurs-check/associated-type.next.stderr | 4 ++-- .../ui/coherence/occurs-check/associated-type.rs | 2 +- ...const-region-infer-to-static-in-binder.stderr | 4 ++-- .../next-solver/specialization-transmute.stderr | 4 ++-- 7 files changed, 26 insertions(+), 10 deletions(-) diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs index 6b6438a7887e..a3ed51f43c93 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs @@ -2705,6 +2705,22 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { ), ); } + + ty::PredicateKind::NormalizesTo(ty::NormalizesTo { alias, term }) + if term.is_infer() => + { + if let Some(e) = self.tainted_by_errors() { + return e; + } + struct_span_code_err!( + self.dcx(), + span, + E0284, + "type annotations needed: cannot normalize `{alias}`", + ) + .with_span_label(span, format!("cannot normalize `{alias}`")) + } + _ => { if let Some(e) = self.tainted_by_errors() { return e; diff --git a/tests/ui/coherence/indirect-impl-for-trait-obj-coherence.next.stderr b/tests/ui/coherence/indirect-impl-for-trait-obj-coherence.next.stderr index 0e1e28ce9821..b6636d4de86e 100644 --- a/tests/ui/coherence/indirect-impl-for-trait-obj-coherence.next.stderr +++ b/tests/ui/coherence/indirect-impl-for-trait-obj-coherence.next.stderr @@ -1,8 +1,8 @@ -error[E0284]: type annotations needed: cannot satisfy ` as Object>::Output normalizes-to _` +error[E0284]: type annotations needed: cannot normalize ` as Object>::Output` --> $DIR/indirect-impl-for-trait-obj-coherence.rs:25:41 | LL | foo::, U>(x) - | ^ cannot satisfy ` as Object>::Output normalizes-to _` + | ^ cannot normalize ` as Object>::Output` error: aborting due to 1 previous error diff --git a/tests/ui/coherence/indirect-impl-for-trait-obj-coherence.rs b/tests/ui/coherence/indirect-impl-for-trait-obj-coherence.rs index 8ad9aab466ab..abfd51c2008b 100644 --- a/tests/ui/coherence/indirect-impl-for-trait-obj-coherence.rs +++ b/tests/ui/coherence/indirect-impl-for-trait-obj-coherence.rs @@ -23,7 +23,7 @@ fn foo(x: >::Output) -> U { #[allow(dead_code)] fn transmute(x: T) -> U { foo::, U>(x) - //[next]~^ ERROR type annotations needed: cannot satisfy ` as Object>::Output normalizes-to _` + //[next]~^ ERROR type annotations needed: cannot normalize ` as Object>::Output` } fn main() {} diff --git a/tests/ui/coherence/occurs-check/associated-type.next.stderr b/tests/ui/coherence/occurs-check/associated-type.next.stderr index b38f7c1ef77a..bd65cee58d9b 100644 --- a/tests/ui/coherence/occurs-check/associated-type.next.stderr +++ b/tests/ui/coherence/occurs-check/associated-type.next.stderr @@ -16,11 +16,11 @@ LL | | for<'a> *const T: ToUnit<'a>, | = note: this behavior recently changed as a result of a bug fix; see rust-lang/rust#56105 for details -error[E0284]: type annotations needed: cannot satisfy ` fn(&'a (), ()) as Overlap fn(&'a (), ())>>::Assoc normalizes-to _` +error[E0284]: type annotations needed: cannot normalize ` fn(&'a (), ()) as Overlap fn(&'a (), ())>>::Assoc` --> $DIR/associated-type.rs:44:59 | LL | foo:: fn(&'a (), ()), for<'a> fn(&'a (), ())>(3usize); - | ^^^^^^ cannot satisfy ` fn(&'a (), ()) as Overlap fn(&'a (), ())>>::Assoc normalizes-to _` + | ^^^^^^ cannot normalize ` fn(&'a (), ()) as Overlap fn(&'a (), ())>>::Assoc` error: aborting due to 2 previous errors diff --git a/tests/ui/coherence/occurs-check/associated-type.rs b/tests/ui/coherence/occurs-check/associated-type.rs index ac1236c554af..df03d5f60a02 100644 --- a/tests/ui/coherence/occurs-check/associated-type.rs +++ b/tests/ui/coherence/occurs-check/associated-type.rs @@ -42,5 +42,5 @@ fn foo, U>(x: T::Assoc) -> T::Assoc { fn main() { foo:: fn(&'a (), ()), for<'a> fn(&'a (), ())>(3usize); - //[next]~^ ERROR: cannot satisfy + //[next]~^ ERROR: cannot normalize } diff --git a/tests/ui/traits/next-solver/canonical/const-region-infer-to-static-in-binder.stderr b/tests/ui/traits/next-solver/canonical/const-region-infer-to-static-in-binder.stderr index f533f899f260..e0cbee88aa10 100644 --- a/tests/ui/traits/next-solver/canonical/const-region-infer-to-static-in-binder.stderr +++ b/tests/ui/traits/next-solver/canonical/const-region-infer-to-static-in-binder.stderr @@ -1,8 +1,8 @@ -error[E0284]: type annotations needed: cannot satisfy `X::{constant#0} normalizes-to _` +error[E0284]: type annotations needed: cannot normalize `X::{constant#0}` --> $DIR/const-region-infer-to-static-in-binder.rs:4:10 | LL | struct X; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot satisfy `X::{constant#0} normalizes-to _` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot normalize `X::{constant#0}` error: using function pointers as const generic parameters is forbidden --> $DIR/const-region-infer-to-static-in-binder.rs:4:20 diff --git a/tests/ui/traits/next-solver/specialization-transmute.stderr b/tests/ui/traits/next-solver/specialization-transmute.stderr index 3230ceb69cb7..f463a90a59dc 100644 --- a/tests/ui/traits/next-solver/specialization-transmute.stderr +++ b/tests/ui/traits/next-solver/specialization-transmute.stderr @@ -10,11 +10,11 @@ LL | #![feature(specialization)] error: cannot normalize `::Id: '_` -error[E0284]: type annotations needed: cannot satisfy `::Id normalizes-to _` +error[E0284]: type annotations needed: cannot normalize `::Id` --> $DIR/specialization-transmute.rs:15:23 | LL | fn intu(&self) -> &Self::Id { - | ^^^^^^^^^ cannot satisfy `::Id normalizes-to _` + | ^^^^^^^^^ cannot normalize `::Id` error[E0284]: type annotations needed: cannot satisfy `::Id normalizes-to T` --> $DIR/specialization-transmute.rs:17:9 From 44040a06703375bb01db0c549a71c3cafcae0dc8 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Tue, 4 Jun 2024 09:43:49 -0400 Subject: [PATCH 1436/1716] Also passthrough for projection clauses --- compiler/rustc_trait_selection/src/solve/fulfill.rs | 4 +++- ...e-projections-in-higher-ranked-fn-signature.next.stderr | 4 ++-- .../param-candidate-shadows-project.stderr | 7 +------ .../two-projection-param-candidates-are-ambiguous.rs | 2 +- .../two-projection-param-candidates-are-ambiguous.stderr | 4 ++-- .../ui/traits/next-solver/specialization-transmute.stderr | 4 ++-- .../ui/traits/next-solver/specialization-unconstrained.rs | 2 +- .../traits/next-solver/specialization-unconstrained.stderr | 4 ++-- tests/ui/type-alias-impl-trait/issue-84660-unsoundness.rs | 2 +- 9 files changed, 15 insertions(+), 18 deletions(-) diff --git a/compiler/rustc_trait_selection/src/solve/fulfill.rs b/compiler/rustc_trait_selection/src/solve/fulfill.rs index 0e9cbbc27b60..3c3d5dfe79c4 100644 --- a/compiler/rustc_trait_selection/src/solve/fulfill.rs +++ b/compiler/rustc_trait_selection/src/solve/fulfill.rs @@ -460,7 +460,9 @@ impl<'tcx> ProofTreeVisitor<'tcx> for BestObligation<'tcx> { polarity: ty::PredicatePolarity::Positive, })) } - ty::PredicateKind::Clause(ty::ClauseKind::WellFormed(_)) + ty::PredicateKind::Clause( + ty::ClauseKind::WellFormed(_) | ty::ClauseKind::Projection(..), + ) | ty::PredicateKind::AliasRelate(..) => ChildMode::PassThrough, _ => { return ControlFlow::Break(self.obligation.clone()); diff --git a/tests/ui/higher-ranked/trait-bounds/rigid-equate-projections-in-higher-ranked-fn-signature.next.stderr b/tests/ui/higher-ranked/trait-bounds/rigid-equate-projections-in-higher-ranked-fn-signature.next.stderr index 14a3d5e178d4..31d74d1c022a 100644 --- a/tests/ui/higher-ranked/trait-bounds/rigid-equate-projections-in-higher-ranked-fn-signature.next.stderr +++ b/tests/ui/higher-ranked/trait-bounds/rigid-equate-projections-in-higher-ranked-fn-signature.next.stderr @@ -1,8 +1,8 @@ -error[E0284]: type annotations needed: cannot satisfy `for<'a> <_ as Trait<'a>>::Assoc <: >::Assoc` +error[E0284]: type annotations needed: cannot satisfy `for<'a> <_ as Trait<'a>>::Assoc normalizes-to >::Assoc` --> $DIR/rigid-equate-projections-in-higher-ranked-fn-signature.rs:27:50 | LL | let _: for<'a> fn(<_ as Trait<'a>>::Assoc) = foo::(); - | ^^^^^^^^^^ cannot satisfy `for<'a> <_ as Trait<'a>>::Assoc <: >::Assoc` + | ^^^^^^^^^^ cannot satisfy `for<'a> <_ as Trait<'a>>::Assoc normalizes-to >::Assoc` error: aborting due to 1 previous error diff --git a/tests/ui/traits/next-solver/env-shadows-impls/param-candidate-shadows-project.stderr b/tests/ui/traits/next-solver/env-shadows-impls/param-candidate-shadows-project.stderr index 3ef0afa38bff..0c72fc25dca7 100644 --- a/tests/ui/traits/next-solver/env-shadows-impls/param-candidate-shadows-project.stderr +++ b/tests/ui/traits/next-solver/env-shadows-impls/param-candidate-shadows-project.stderr @@ -2,13 +2,8 @@ error[E0271]: type mismatch resolving `::Assoc == i32` --> $DIR/param-candidate-shadows-project.rs:27:19 | LL | require_bar::(); - | ^ type mismatch resolving `::Assoc == i32` + | ^ types differ | -note: types differ - --> $DIR/param-candidate-shadows-project.rs:10:18 - | -LL | type Assoc = i32; - | ^^^ note: required for `T` to implement `Bar` --> $DIR/param-candidate-shadows-project.rs:13:9 | diff --git a/tests/ui/traits/next-solver/normalize/two-projection-param-candidates-are-ambiguous.rs b/tests/ui/traits/next-solver/normalize/two-projection-param-candidates-are-ambiguous.rs index 12ea1bf142ab..5239474ff44b 100644 --- a/tests/ui/traits/next-solver/normalize/two-projection-param-candidates-are-ambiguous.rs +++ b/tests/ui/traits/next-solver/normalize/two-projection-param-candidates-are-ambiguous.rs @@ -24,7 +24,7 @@ fn needs_bar() {} fn foo + Foo>() { needs_bar::(); - //~^ ERROR type annotations needed: cannot satisfy `::Assoc == i32` + //~^ ERROR type annotations needed: cannot normalize } fn main() {} diff --git a/tests/ui/traits/next-solver/normalize/two-projection-param-candidates-are-ambiguous.stderr b/tests/ui/traits/next-solver/normalize/two-projection-param-candidates-are-ambiguous.stderr index 21f3fbfeb872..270ad8517177 100644 --- a/tests/ui/traits/next-solver/normalize/two-projection-param-candidates-are-ambiguous.stderr +++ b/tests/ui/traits/next-solver/normalize/two-projection-param-candidates-are-ambiguous.stderr @@ -1,8 +1,8 @@ -error[E0284]: type annotations needed: cannot satisfy `::Assoc == i32` +error[E0284]: type annotations needed: cannot normalize `::Assoc` --> $DIR/two-projection-param-candidates-are-ambiguous.rs:26:17 | LL | needs_bar::(); - | ^ cannot satisfy `::Assoc == i32` + | ^ cannot normalize `::Assoc` | note: required for `T` to implement `Bar` --> $DIR/two-projection-param-candidates-are-ambiguous.rs:21:9 diff --git a/tests/ui/traits/next-solver/specialization-transmute.stderr b/tests/ui/traits/next-solver/specialization-transmute.stderr index f463a90a59dc..b96bfab927d2 100644 --- a/tests/ui/traits/next-solver/specialization-transmute.stderr +++ b/tests/ui/traits/next-solver/specialization-transmute.stderr @@ -22,11 +22,11 @@ error[E0284]: type annotations needed: cannot satisfy `::Id normal LL | self | ^^^^ cannot satisfy `::Id normalizes-to T` -error[E0284]: type annotations needed: cannot satisfy `::Id == Option>` +error[E0284]: type annotations needed: cannot satisfy `::Id normalizes-to Option>` --> $DIR/specialization-transmute.rs:28:13 | LL | let s = transmute::>>(0); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot satisfy `::Id == Option>` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot satisfy `::Id normalizes-to Option>` | note: required by a bound in `transmute` --> $DIR/specialization-transmute.rs:21:25 diff --git a/tests/ui/traits/next-solver/specialization-unconstrained.rs b/tests/ui/traits/next-solver/specialization-unconstrained.rs index e44246a1262a..2bbe78401107 100644 --- a/tests/ui/traits/next-solver/specialization-unconstrained.rs +++ b/tests/ui/traits/next-solver/specialization-unconstrained.rs @@ -18,5 +18,5 @@ fn test, U>() {} fn main() { test::(); - //~^ ERROR cannot satisfy `::Id == ()` + //~^ ERROR cannot satisfy `::Id normalizes-to ()` } diff --git a/tests/ui/traits/next-solver/specialization-unconstrained.stderr b/tests/ui/traits/next-solver/specialization-unconstrained.stderr index a6f6a4f260d4..e1d785b554bd 100644 --- a/tests/ui/traits/next-solver/specialization-unconstrained.stderr +++ b/tests/ui/traits/next-solver/specialization-unconstrained.stderr @@ -8,11 +8,11 @@ LL | #![feature(specialization)] = help: consider using `min_specialization` instead, which is more stable and complete = note: `#[warn(incomplete_features)]` on by default -error[E0284]: type annotations needed: cannot satisfy `::Id == ()` +error[E0284]: type annotations needed: cannot satisfy `::Id normalizes-to ()` --> $DIR/specialization-unconstrained.rs:20:5 | LL | test::(); - | ^^^^^^^^^^^^^^^^^ cannot satisfy `::Id == ()` + | ^^^^^^^^^^^^^^^^^ cannot satisfy `::Id normalizes-to ()` | note: required by a bound in `test` --> $DIR/specialization-unconstrained.rs:17:20 diff --git a/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.rs b/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.rs index 73c8deb3a4d9..f3234bafd115 100644 --- a/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.rs +++ b/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.rs @@ -20,7 +20,7 @@ trait Trait { impl Trait for Out { type Out = Out; fn convert(_i: In) -> Self::Out { - //[next]~^ ERROR: cannot satisfy `>::Out == ()` + //[next]~^ ERROR: cannot satisfy `Bar == _` //[current]~^^ ERROR: item does not constrain `Bar::{opaque#0}`, but has it in its signature unreachable!(); } From 46391b7dcd78062f247d515eb339e0a3b723da99 Mon Sep 17 00:00:00 2001 From: Artem Agvanian Date: Wed, 12 Jun 2024 16:15:02 -0700 Subject: [PATCH 1437/1716] Make `try_from_target_usize` method public There is now no way to create a TyConst from an integer, so I propose making this method public unless there was a reason for keeping it otherwise. --- compiler/stable_mir/src/ty.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/compiler/stable_mir/src/ty.rs b/compiler/stable_mir/src/ty.rs index bcbe87f7303b..8c9824f8f8df 100644 --- a/compiler/stable_mir/src/ty.rs +++ b/compiler/stable_mir/src/ty.rs @@ -122,7 +122,7 @@ impl TyConst { } /// Creates an interned usize constant. - fn try_from_target_usize(val: u64) -> Result { + pub fn try_from_target_usize(val: u64) -> Result { with(|cx| cx.try_new_ty_const_uint(val.into(), UintTy::Usize)) } From 5da1b4189e8b6820624ea548efe90c2cc35d576c Mon Sep 17 00:00:00 2001 From: Veera Date: Wed, 5 Jun 2024 20:12:16 -0400 Subject: [PATCH 1438/1716] E0229: Suggest Moving Type Constraints to Type Parameter Declaration --- compiler/rustc_hir/src/hir.rs | 24 +++++++ .../src/hir_ty_lowering/errors.rs | 71 ++++++++++++++++--- .../src/hir_ty_lowering/generics.rs | 17 ++++- .../associated-type-bounds/no-gat-position.rs | 2 +- .../no-gat-position.stderr | 2 +- .../rtn-in-impl-signature.stderr | 2 +- 6 files changed, 105 insertions(+), 13 deletions(-) diff --git a/compiler/rustc_hir/src/hir.rs b/compiler/rustc_hir/src/hir.rs index e971d0e3c143..a021847db269 100644 --- a/compiler/rustc_hir/src/hir.rs +++ b/compiler/rustc_hir/src/hir.rs @@ -2456,6 +2456,15 @@ pub enum AssocItemConstraintKind<'hir> { Bound { bounds: &'hir [GenericBound<'hir>] }, } +impl<'hir> AssocItemConstraintKind<'hir> { + pub fn descr(&self) -> &'static str { + match self { + AssocItemConstraintKind::Equality { .. } => "binding", + AssocItemConstraintKind::Bound { .. } => "constraint", + } + } +} + #[derive(Debug, Clone, Copy, HashStable_Generic)] pub struct Ty<'hir> { pub hir_id: HirId, @@ -3735,6 +3744,21 @@ impl<'hir> Node<'hir> { } } + /// Get a `hir::Impl` if the node is an impl block for the given `trait_def_id`. + pub fn impl_block_of_trait(self, trait_def_id: DefId) -> Option<&'hir Impl<'hir>> { + match self { + Node::Item(Item { kind: ItemKind::Impl(impl_block), .. }) + if impl_block + .of_trait + .and_then(|trait_ref| trait_ref.trait_def_id()) + .is_some_and(|trait_id| trait_id == trait_def_id) => + { + Some(impl_block) + } + _ => None, + } + } + pub fn fn_sig(self) -> Option<&'hir FnSig<'hir>> { match self { Node::TraitItem(TraitItem { kind: TraitItemKind::Fn(fn_sig, _), .. }) diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/errors.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/errors.rs index 3a9ef244fd3f..2d240699105d 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/errors.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/errors.rs @@ -1217,7 +1217,6 @@ pub fn prohibit_assoc_item_constraint( // otherwise suggest the removal of the binding. if let Some((def_id, segment, _)) = segment && segment.args().parenthesized == hir::GenericArgsParentheses::No - && let hir::AssocItemConstraintKind::Equality { term } = constraint.kind { // Suggests removal of the offending binding let suggest_removal = |e: &mut Diag<'_>| { @@ -1263,7 +1262,7 @@ pub fn prohibit_assoc_item_constraint( if let Ok(suggestion) = tcx.sess.source_map().span_to_snippet(removal_span) { e.span_suggestion_verbose( removal_span, - "consider removing this associated item binding", + format!("consider removing this associated item {}", constraint.kind.descr()), suggestion, Applicability::MaybeIncorrect, ); @@ -1286,19 +1285,73 @@ pub fn prohibit_assoc_item_constraint( // Check if the type has a generic param with the same name // as the assoc type name in the associated item binding. let generics = tcx.generics_of(def_id); - let matching_param = - generics.own_params.iter().find(|p| p.name.as_str() == constraint.ident.as_str()); + let matching_param = generics.own_params.iter().find(|p| p.name == constraint.ident.name); // Now emit the appropriate suggestion if let Some(matching_param) = matching_param { - match (&matching_param.kind, term) { - (GenericParamDefKind::Type { .. }, hir::Term::Ty(ty)) => { - suggest_direct_use(&mut err, ty.span); - } - (GenericParamDefKind::Const { .. }, hir::Term::Const(c)) => { + match (constraint.kind, &matching_param.kind) { + ( + hir::AssocItemConstraintKind::Equality { term: hir::Term::Ty(ty) }, + GenericParamDefKind::Type { .. }, + ) => suggest_direct_use(&mut err, ty.span), + ( + hir::AssocItemConstraintKind::Equality { term: hir::Term::Const(c) }, + GenericParamDefKind::Const { .. }, + ) => { let span = tcx.hir().span(c.hir_id); suggest_direct_use(&mut err, span); } + (hir::AssocItemConstraintKind::Bound { bounds }, _) => { + // Suggest `impl Trait for Foo` when finding + // `impl Trait for Foo` + + // Get the parent impl block based on the binding we have + // and the trait DefId + let impl_block = tcx + .hir() + .parent_iter(constraint.hir_id) + .find_map(|(_, node)| node.impl_block_of_trait(def_id)); + + let type_with_constraints = + tcx.sess.source_map().span_to_snippet(constraint.span); + + if let Some(impl_block) = impl_block + && let Ok(type_with_constraints) = type_with_constraints + { + // Filter out the lifetime parameters because + // they should be declared before the type parameter + let lifetimes: String = bounds + .iter() + .filter_map(|bound| { + if let hir::GenericBound::Outlives(lifetime) = bound { + Some(format!("{lifetime}, ")) + } else { + None + } + }) + .collect(); + // Figure out a span and suggestion string based on + // whether there are any existing parameters + let param_decl = if let Some(param_span) = + impl_block.generics.span_for_param_suggestion() + { + (param_span, format!(", {lifetimes}{type_with_constraints}")) + } else { + ( + impl_block.generics.span.shrink_to_lo(), + format!("<{lifetimes}{type_with_constraints}>"), + ) + }; + let suggestions = + vec![param_decl, (constraint.span, format!("{}", matching_param.name))]; + + err.multipart_suggestion_verbose( + format!("declare the type parameter right after the `impl` keyword"), + suggestions, + Applicability::MaybeIncorrect, + ); + } + } _ => suggest_removal(&mut err), } } else { diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/generics.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/generics.rs index 26cabb69d25c..3f888c4e2722 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/generics.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/generics.rs @@ -531,6 +531,7 @@ pub(crate) fn check_generic_arg_count( let num_default_params = expected_max - expected_min; + let mut all_params_are_binded = false; let gen_args_info = if provided > expected_max { invalid_args.extend((expected_max..provided).map(|i| i + args_offset)); let num_redundant_args = provided - expected_max; @@ -547,6 +548,20 @@ pub(crate) fn check_generic_arg_count( } else { let num_missing_args = expected_max - provided; + let constraint_names: Vec<_> = + gen_args.constraints.iter().map(|b| b.ident.name).collect(); + let param_names: Vec<_> = gen_params + .own_params + .iter() + .filter(|param| !has_self || param.index != 0) // Assumes `Self` will always be the first parameter + .map(|param| param.name) + .collect(); + if constraint_names == param_names { + // We set this to true and delay emitting `WrongNumberOfGenericArgs` + // to provide a succinct error for cases like issue #113073 + all_params_are_binded = true; + }; + GenericArgsInfo::MissingTypesOrConsts { num_missing_args, num_default_params, @@ -567,7 +582,7 @@ pub(crate) fn check_generic_arg_count( def_id, ) .diagnostic() - .emit() + .emit_unless(all_params_are_binded) }); Err(reported) diff --git a/tests/ui/associated-type-bounds/no-gat-position.rs b/tests/ui/associated-type-bounds/no-gat-position.rs index 249812ebbff7..ec9214897fa8 100644 --- a/tests/ui/associated-type-bounds/no-gat-position.rs +++ b/tests/ui/associated-type-bounds/no-gat-position.rs @@ -5,7 +5,7 @@ pub trait Iter { fn next<'a>(&'a mut self) -> Option>; //~^ ERROR associated item constraints are not allowed here - //~| HELP consider removing this associated item binding + //~| HELP consider removing this associated item constraint } impl Iter for () { diff --git a/tests/ui/associated-type-bounds/no-gat-position.stderr b/tests/ui/associated-type-bounds/no-gat-position.stderr index b8e466b8d842..39a2f89f9acf 100644 --- a/tests/ui/associated-type-bounds/no-gat-position.stderr +++ b/tests/ui/associated-type-bounds/no-gat-position.stderr @@ -4,7 +4,7 @@ error[E0229]: associated item constraints are not allowed here LL | fn next<'a>(&'a mut self) -> Option>; | ^^^^^^^^^ associated item constraint not allowed here | -help: consider removing this associated item binding +help: consider removing this associated item constraint | LL | fn next<'a>(&'a mut self) -> Option>; | ~~~~~~~~~~~ diff --git a/tests/ui/async-await/return-type-notation/rtn-in-impl-signature.stderr b/tests/ui/async-await/return-type-notation/rtn-in-impl-signature.stderr index b0c89b059250..54960ae60bcc 100644 --- a/tests/ui/async-await/return-type-notation/rtn-in-impl-signature.stderr +++ b/tests/ui/async-await/return-type-notation/rtn-in-impl-signature.stderr @@ -13,7 +13,7 @@ error[E0229]: associated item constraints are not allowed here LL | impl Super1<'_, bar(): Send> for () {} | ^^^^^^^^^^^ associated item constraint not allowed here | -help: consider removing this associated item binding +help: consider removing this associated item constraint | LL | impl Super1<'_, bar(): Send> for () {} | ~~~~~~~~~~~~~ From 9c25d4078463fea9a4b0ad6cab61b8f51b63bf6b Mon Sep 17 00:00:00 2001 From: Dario Nieuwenhuis Date: Thu, 13 Jun 2024 02:44:14 +0200 Subject: [PATCH 1439/1716] Honor collapse_debuginfo for statics. fixes #126363 --- compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs index a543ccbde0ed..8de4e0effad2 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs @@ -36,7 +36,7 @@ use rustc_middle::ty::{ }; use rustc_session::config::{self, DebugInfo, Lto}; use rustc_span::symbol::Symbol; -use rustc_span::FileName; +use rustc_span::{hygiene, FileName, DUMMY_SP}; use rustc_span::{FileNameDisplayPreference, SourceFile}; use rustc_symbol_mangling::typeid_for_trait_ref; use rustc_target::abi::{Align, Size}; @@ -1306,7 +1306,7 @@ pub fn build_global_var_di_node<'ll>(cx: &CodegenCx<'ll, '_>, def_id: DefId, glo // We may want to remove the namespace scope if we're in an extern block (see // https://github.com/rust-lang/rust/pull/46457#issuecomment-351750952). let var_scope = get_namespace_for_item(cx, def_id); - let span = tcx.def_span(def_id); + let span = hygiene::walk_chain_collapsed(tcx.def_span(def_id), DUMMY_SP); let (file_metadata, line_number) = if !span.is_dummy() { let loc = cx.lookup_debug_loc(span.lo()); From 6d4a8257149ab7fea438ee7ad52491c2985b4340 Mon Sep 17 00:00:00 2001 From: "Celina G. Val" Date: Wed, 12 Jun 2024 17:47:49 -0700 Subject: [PATCH 1440/1716] Add a new trait to retrieve StableMir definition Ty We implement the trait only for definitions that should have a type. It's possible that I missed a few definitions, but we can add them later if needed. --- compiler/stable_mir/src/crate_def.rs | 37 +++++- compiler/stable_mir/src/lib.rs | 8 +- compiler/stable_mir/src/ty.rs | 28 ++++- tests/ui-fulldeps/stable-mir/check_def_ty.rs | 114 +++++++++++++++++++ 4 files changed, 177 insertions(+), 10 deletions(-) create mode 100644 tests/ui-fulldeps/stable-mir/check_def_ty.rs diff --git a/compiler/stable_mir/src/crate_def.rs b/compiler/stable_mir/src/crate_def.rs index 70ca9e6825e1..67752a5e629f 100644 --- a/compiler/stable_mir/src/crate_def.rs +++ b/compiler/stable_mir/src/crate_def.rs @@ -1,7 +1,7 @@ //! Module that define a common trait for things that represent a crate definition, //! such as, a function, a trait, an enum, and any other definitions. -use crate::ty::Span; +use crate::ty::{GenericArgs, Span, Ty}; use crate::{with, Crate, Symbol}; /// A unique identification number for each item accessible for the current compilation unit. @@ -52,6 +52,23 @@ pub trait CrateDef { } } +/// A trait that can be used to retrieve a definition's type. +/// +/// Note that not every CrateDef has a type `Ty`. They should not implement this trait. +pub trait CrateDefType: CrateDef { + /// Returns the type of this crate item. + fn ty(&self) -> Ty { + with(|cx| cx.def_ty(self.def_id())) + } + + /// Retrieve the type of this definition by instantiating and normalizing it with `args`. + /// + /// This will panic if instantiation fails. + fn ty_with_args(&self, args: &GenericArgs) -> Ty { + with(|cx| cx.def_ty_with_args(self.def_id(), args)) + } +} + macro_rules! crate_def { ( $(#[$attr:meta])* $vis:vis $name:ident $(;)? @@ -67,3 +84,21 @@ macro_rules! crate_def { } }; } + +macro_rules! crate_def_with_ty { + ( $(#[$attr:meta])* + $vis:vis $name:ident $(;)? + ) => { + $(#[$attr])* + #[derive(Clone, Copy, PartialEq, Eq, Debug, Hash)] + $vis struct $name(pub DefId); + + impl CrateDef for $name { + fn def_id(&self) -> DefId { + self.0 + } + } + + impl CrateDefType for $name {} + }; +} diff --git a/compiler/stable_mir/src/lib.rs b/compiler/stable_mir/src/lib.rs index d9f988935ab1..8385856ae532 100644 --- a/compiler/stable_mir/src/lib.rs +++ b/compiler/stable_mir/src/lib.rs @@ -22,8 +22,7 @@ use std::fmt::Debug; use std::io; use crate::compiler_interface::with; -pub use crate::crate_def::CrateDef; -pub use crate::crate_def::DefId; +pub use crate::crate_def::{CrateDef, CrateDefType, DefId}; pub use crate::error::*; use crate::mir::Body; use crate::mir::Mutability; @@ -115,12 +114,15 @@ pub enum CtorKind { pub type Filename = String; -crate_def! { +crate_def_with_ty! { /// Holds information about an item in a crate. pub CrateItem; } impl CrateItem { + /// This will return the body of an item. + /// + /// This will panic if no body is available. pub fn body(&self) -> mir::Body { with(|cx| cx.mir_body(self.0)) } diff --git a/compiler/stable_mir/src/ty.rs b/compiler/stable_mir/src/ty.rs index bcbe87f7303b..6fddd5f5cd1d 100644 --- a/compiler/stable_mir/src/ty.rs +++ b/compiler/stable_mir/src/ty.rs @@ -3,9 +3,10 @@ use super::{ with, DefId, Error, Symbol, }; use crate::abi::Layout; +use crate::crate_def::{CrateDef, CrateDefType}; use crate::mir::alloc::{read_target_int, read_target_uint, AllocId}; +use crate::mir::mono::StaticDef; use crate::target::MachineInfo; -use crate::{crate_def::CrateDef, mir::mono::StaticDef}; use crate::{Filename, Opaque}; use std::fmt::{self, Debug, Display, Formatter}; use std::ops::Range; @@ -504,6 +505,15 @@ impl TyKind { pub fn discriminant_ty(&self) -> Option { self.rigid().map(|ty| with(|cx| cx.rigid_ty_discriminant_ty(ty))) } + + /// Deconstruct a function type if this is one. + pub fn fn_def(&self) -> Option<(FnDef, &GenericArgs)> { + if let TyKind::RigidTy(RigidTy::FnDef(def, args)) = self { + Some((*def, args)) + } else { + None + } + } } pub struct TypeAndMut { @@ -629,7 +639,7 @@ impl ForeignModule { } } -crate_def! { +crate_def_with_ty! { /// Hold information about a ForeignItem in a crate. pub ForeignDef; } @@ -647,7 +657,7 @@ pub enum ForeignItemKind { Type(Ty), } -crate_def! { +crate_def_with_ty! { /// Hold information about a function definition in a crate. pub FnDef; } @@ -668,9 +678,15 @@ impl FnDef { pub fn is_intrinsic(&self) -> bool { self.as_intrinsic().is_some() } + + /// Get the function signature for this function definition. + pub fn fn_sig(&self) -> PolyFnSig { + let kind = self.ty().kind(); + kind.fn_sig().unwrap() + } } -crate_def! { +crate_def_with_ty! { pub IntrinsicDef; } @@ -710,7 +726,7 @@ crate_def! { pub BrNamedDef; } -crate_def! { +crate_def_with_ty! { pub AdtDef; } @@ -866,7 +882,7 @@ crate_def! { pub GenericDef; } -crate_def! { +crate_def_with_ty! { pub ConstDef; } diff --git a/tests/ui-fulldeps/stable-mir/check_def_ty.rs b/tests/ui-fulldeps/stable-mir/check_def_ty.rs new file mode 100644 index 000000000000..9f45b62d3434 --- /dev/null +++ b/tests/ui-fulldeps/stable-mir/check_def_ty.rs @@ -0,0 +1,114 @@ +//@ run-pass +//! Test that users are able to use stable mir APIs to retrieve type information from a crate item +//! definition. + +//@ ignore-stage1 +//@ ignore-cross-compile +//@ ignore-remote +//@ ignore-windows-gnu mingw has troubles with linking https://github.com/rust-lang/rust/pull/116837 +//@ edition: 2021 + +#![feature(rustc_private)] +#![feature(assert_matches)] +#![feature(control_flow_enum)] + +#[macro_use] +extern crate rustc_smir; +extern crate rustc_driver; +extern crate rustc_interface; +extern crate stable_mir; + +use rustc_smir::rustc_internal; +use stable_mir::ty::{Ty, ForeignItemKind}; +use stable_mir::*; +use std::io::Write; +use std::ops::ControlFlow; + +const CRATE_NAME: &str = "crate_def_ty"; + +/// Test if we can retrieve type information from different definitions. +fn test_def_tys() -> ControlFlow<()> { + let items = stable_mir::all_local_items(); + for item in &items { + // Type from crate items. + let ty = item.ty(); + match item.name().as_str() { + "STATIC_STR" => assert!(ty.kind().is_ref()), + "CONST_U32" => assert!(ty.kind().is_integral()), + "main" => { check_fn_def(ty) } + _ => unreachable!("Unexpected item: `{item:?}`") + } + } + + let foreign_items = stable_mir::local_crate().foreign_modules(); + for item in foreign_items[0].module().items() { + // Type from foreign items. + let ty = item.ty(); + let item_kind = item.kind(); + let name = item.name(); + match item_kind { + ForeignItemKind::Fn(fn_def) => { + assert_eq!(&name, "extern_fn"); + assert_eq!(ty, fn_def.ty()); + check_fn_def(ty) + } + ForeignItemKind::Static(def) => { + assert_eq!(&name, "EXT_STATIC"); + assert_eq!(ty, def.ty()); + assert!(ty.kind().is_integral()) + } + _ => unreachable!("Unexpected kind: {item_kind:?}") + }; + } + + ControlFlow::Continue(()) +} + +fn check_fn_def(ty: Ty) { + let kind = ty.kind(); + let (def, args) = kind.fn_def().expect(&format!("Expected function type, but found: {ty}")); + assert!(def.ty().kind().is_fn()); + assert_eq!(def.ty_with_args(args), ty); +} + +/// This test will generate and analyze a dummy crate using the stable mir. +/// For that, it will first write the dummy crate into a file. +/// Then it will create a `StableMir` using custom arguments and then +/// it will run the compiler. +fn main() { + let path = "defs_ty_input.rs"; + generate_input(&path).unwrap(); + let args = vec![ + "rustc".to_string(), + "-Cpanic=abort".to_string(), + "--crate-name".to_string(), + CRATE_NAME.to_string(), + path.to_string(), + ]; + run!(args, test_def_tys).unwrap(); +} + +fn generate_input(path: &str) -> std::io::Result<()> { + let mut file = std::fs::File::create(path)?; + write!( + file, + r#" + // We would like to check intrinsic definition. + #![feature(core_intrinsics)] + static STATIC_STR: &str = "foo"; + const CONST_U32: u32 = 0u32; + + fn main() {{ + let _c = core::char::from_u32(99); + let _v = Vec::::new(); + let _i = std::intrinsics::size_of::(); + }} + + extern "C" {{ + fn extern_fn(x: i32) -> i32; + static EXT_STATIC: i32; + }} + "# + )?; + Ok(()) +} From c453c82de4868aee46563ec908dab218153d46eb Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sat, 8 Jun 2024 14:02:01 -0400 Subject: [PATCH 1441/1716] Harmonize use of leaf and root obligation in trait error reporting --- .../error_reporting/type_err_ctxt_ext.rs | 106 +++++++++--------- ...ypeck-default-trait-impl-precedence.stderr | 2 +- ...normalization-for-nested-goals.next.stderr | 2 +- tests/ui/kindck/kindck-send-object.stderr | 2 +- tests/ui/kindck/kindck-send-object1.stderr | 2 +- tests/ui/kindck/kindck-send-object2.stderr | 2 +- .../suggestions/suggest-remove-refs-5.stderr | 4 +- .../auto-with-drop_tracking_mir.fail.stderr | 2 +- .../point-at-failing-nested.stderr | 5 + .../where-clause-doesnt-apply.stderr | 5 + .../root-obligation.stderr | 2 +- .../references/unsafecell.stderr | 4 +- 12 files changed, 74 insertions(+), 64 deletions(-) diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs index 6b6438a7887e..cdf162ca2eb9 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs @@ -412,8 +412,8 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { let bound_predicate = obligation.predicate.kind(); match bound_predicate.skip_binder() { ty::PredicateKind::Clause(ty::ClauseKind::Trait(trait_predicate)) => { - let trait_predicate = bound_predicate.rebind(trait_predicate); - let trait_predicate = self.resolve_vars_if_possible(trait_predicate); + let leaf_trait_predicate = + self.resolve_vars_if_possible(bound_predicate.rebind(trait_predicate)); // Let's use the root obligation as the main message, when we care about the // most general case ("X doesn't implement Pattern<'_>") over the case that @@ -424,7 +424,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { let (main_trait_predicate, o) = if let ty::PredicateKind::Clause( ty::ClauseKind::Trait(root_pred) ) = root_obligation.predicate.kind().skip_binder() - && !trait_predicate.self_ty().skip_binder().has_escaping_bound_vars() + && !leaf_trait_predicate.self_ty().skip_binder().has_escaping_bound_vars() && !root_pred.self_ty().has_escaping_bound_vars() // The type of the leaf predicate is (roughly) the same as the type // from the root predicate, as a proxy for "we care about the root" @@ -434,20 +434,20 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { // `T: Trait` && `&&T: OtherTrait`, we want `OtherTrait` self.can_eq( obligation.param_env, - trait_predicate.self_ty().skip_binder(), + leaf_trait_predicate.self_ty().skip_binder(), root_pred.self_ty().peel_refs(), ) // `&str: Iterator` && `&str: IntoIterator`, we want `IntoIterator` || self.can_eq( obligation.param_env, - trait_predicate.self_ty().skip_binder(), + leaf_trait_predicate.self_ty().skip_binder(), root_pred.self_ty(), ) ) // The leaf trait and the root trait are different, so as to avoid // talking about `&mut T: Trait` and instead remain talking about // `T: Trait` instead - && trait_predicate.def_id() != root_pred.def_id() + && leaf_trait_predicate.def_id() != root_pred.def_id() // The root trait is not `Unsize`, as to avoid talking about it in // `tests/ui/coercion/coerce-issue-49593-box-never.rs`. && Some(root_pred.def_id()) != self.tcx.lang_items().unsize_trait() @@ -459,13 +459,14 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { root_obligation, ) } else { - (trait_predicate, &obligation) + (leaf_trait_predicate, &obligation) }; - let trait_ref = main_trait_predicate.to_poly_trait_ref(); + let main_trait_ref = main_trait_predicate.to_poly_trait_ref(); + let leaf_trait_ref = leaf_trait_predicate.to_poly_trait_ref(); if let Some(guar) = self.emit_specialized_closure_kind_error( &obligation, - trait_ref, + leaf_trait_ref, ) { return guar; } @@ -473,7 +474,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { // FIXME(effects) let predicate_is_const = false; - if let Err(guar) = trait_predicate.error_reported() + if let Err(guar) = leaf_trait_predicate.error_reported() { return guar; } @@ -507,16 +508,17 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { notes, parent_label, append_const_msg, - } = self.on_unimplemented_note(trait_ref, o, &mut long_ty_file); + } = self.on_unimplemented_note(main_trait_ref, o, &mut long_ty_file); + let have_alt_message = message.is_some() || label.is_some(); - let is_try_conversion = self.is_try_conversion(span, trait_ref.def_id()); + let is_try_conversion = self.is_try_conversion(span, main_trait_ref.def_id()); let is_unsize = - Some(trait_ref.def_id()) == self.tcx.lang_items().unsize_trait(); + Some(leaf_trait_ref.def_id()) == self.tcx.lang_items().unsize_trait(); let (message, notes, append_const_msg) = if is_try_conversion { ( Some(format!( "`?` couldn't convert the error to `{}`", - trait_ref.skip_binder().self_ty(), + main_trait_ref.skip_binder().self_ty(), )), vec![ "the question mark operation (`?`) implicitly performs a \ @@ -537,13 +539,13 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { post_message, ); - let (err_msg, safe_transmute_explanation) = if Some(trait_ref.def_id()) + let (err_msg, safe_transmute_explanation) = if Some(main_trait_ref.def_id()) == self.tcx.lang_items().transmute_trait() { // Recompute the safe transmute reason and use that for the error reporting match self.get_safe_transmute_error_and_reason( obligation.clone(), - trait_ref, + main_trait_ref, span, ) { GetSafeTransmuteErrorAndReason::Silent => { @@ -571,7 +573,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { } let mut suggested = false; if is_try_conversion { - suggested = self.try_conversion_context(&obligation, trait_ref.skip_binder(), &mut err); + suggested = self.try_conversion_context(&obligation, main_trait_ref.skip_binder(), &mut err); } if is_try_conversion && let Some(ret_span) = self.return_type_span(&obligation) { @@ -579,19 +581,19 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { ret_span, format!( "expected `{}` because of this", - trait_ref.skip_binder().self_ty() + main_trait_ref.skip_binder().self_ty() ), ); } - if Some(trait_ref.def_id()) == tcx.lang_items().tuple_trait() { + if Some(leaf_trait_ref.def_id()) == tcx.lang_items().tuple_trait() { self.add_tuple_trait_message( obligation.cause.code().peel_derives(), &mut err, ); } - if Some(trait_ref.def_id()) == tcx.lang_items().drop_trait() + if Some(leaf_trait_ref.def_id()) == tcx.lang_items().drop_trait() && predicate_is_const { err.note("`~const Drop` was renamed to `~const Destruct`"); @@ -601,15 +603,15 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { let explanation = get_explanation_based_on_obligation( self.tcx, &obligation, - trait_ref, - &trait_predicate, + leaf_trait_ref, + &leaf_trait_predicate, pre_message, ); self.check_for_binding_assigned_block_without_tail_expression( &obligation, &mut err, - trait_predicate, + leaf_trait_predicate, ); self.suggest_add_result_as_return_type(&obligation, &mut err, @@ -618,7 +620,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { if self.suggest_add_reference_to_arg( &obligation, &mut err, - trait_predicate, + leaf_trait_predicate, have_alt_message, ) { self.note_obligation_cause(&mut err, &obligation); @@ -630,7 +632,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { // If it has a custom `#[rustc_on_unimplemented]` // error message, let's display it as the label! err.span_label(span, s); - if !matches!(trait_ref.skip_binder().self_ty().kind(), ty::Param(_)) { + if !matches!(leaf_trait_ref.skip_binder().self_ty().kind(), ty::Param(_)) { // When the self type is a type param We don't need to "the trait // `std::marker::Sized` is not implemented for `T`" as we will point // at the type param with a label to suggest constraining it. @@ -645,7 +647,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { if let ObligationCauseCode::Coercion { source, target } = *obligation.cause.code().peel_derives() { - if Some(trait_ref.def_id()) == self.tcx.lang_items().sized_trait() { + if Some(leaf_trait_ref.def_id()) == self.tcx.lang_items().sized_trait() { self.suggest_borrowing_for_object_cast( &mut err, root_obligation, @@ -657,7 +659,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { let UnsatisfiedConst(unsatisfied_const) = self .maybe_add_note_for_unsatisfied_const( - &trait_predicate, + &leaf_trait_predicate, &mut err, span, ); @@ -674,15 +676,15 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { err.span_label(tcx.def_span(body), s); } - self.suggest_floating_point_literal(&obligation, &mut err, &trait_ref); - self.suggest_dereferencing_index(&obligation, &mut err, trait_predicate); - suggested |= self.suggest_dereferences(&obligation, &mut err, trait_predicate); - suggested |= self.suggest_fn_call(&obligation, &mut err, trait_predicate); - let impl_candidates = self.find_similar_impl_candidates(trait_predicate); + self.suggest_floating_point_literal(&obligation, &mut err, &leaf_trait_ref); + self.suggest_dereferencing_index(&obligation, &mut err, leaf_trait_predicate); + suggested |= self.suggest_dereferences(&obligation, &mut err, leaf_trait_predicate); + suggested |= self.suggest_fn_call(&obligation, &mut err, leaf_trait_predicate); + let impl_candidates = self.find_similar_impl_candidates(leaf_trait_predicate); suggested = if let &[cand] = &impl_candidates[..] { let cand = cand.trait_ref; if let (ty::FnPtr(_), ty::FnDef(..)) = - (cand.self_ty().kind(), trait_ref.self_ty().skip_binder().kind()) + (cand.self_ty().kind(), main_trait_ref.self_ty().skip_binder().kind()) { err.span_suggestion( span.shrink_to_hi(), @@ -702,31 +704,31 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { false } || suggested; suggested |= - self.suggest_remove_reference(&obligation, &mut err, trait_predicate); + self.suggest_remove_reference(&obligation, &mut err, leaf_trait_predicate); suggested |= self.suggest_semicolon_removal( &obligation, &mut err, span, - trait_predicate, + leaf_trait_predicate, ); - self.note_version_mismatch(&mut err, &trait_ref); + self.note_version_mismatch(&mut err, &leaf_trait_ref); self.suggest_remove_await(&obligation, &mut err); - self.suggest_derive(&obligation, &mut err, trait_predicate); + self.suggest_derive(&obligation, &mut err, leaf_trait_predicate); - if Some(trait_ref.def_id()) == tcx.lang_items().try_trait() { + if Some(leaf_trait_ref.def_id()) == tcx.lang_items().try_trait() { self.suggest_await_before_try( &mut err, &obligation, - trait_predicate, + leaf_trait_predicate, span, ); } - if self.suggest_add_clone_to_arg(&obligation, &mut err, trait_predicate) { + if self.suggest_add_clone_to_arg(&obligation, &mut err, leaf_trait_predicate) { return err.emit(); } - if self.suggest_impl_trait(&mut err, &obligation, trait_predicate) { + if self.suggest_impl_trait(&mut err, &obligation, leaf_trait_predicate) { return err.emit(); } @@ -741,9 +743,9 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { ); } - let is_fn_trait = tcx.is_fn_trait(trait_ref.def_id()); + let is_fn_trait = tcx.is_fn_trait(leaf_trait_ref.def_id()); let is_target_feature_fn = if let ty::FnDef(def_id, _) = - *trait_ref.skip_binder().self_ty().kind() + *leaf_trait_ref.skip_binder().self_ty().kind() { !self.tcx.codegen_fn_attrs(def_id).target_features.is_empty() } else { @@ -757,8 +759,8 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { self.try_to_add_help_message( &obligation, - trait_ref, - &trait_predicate, + leaf_trait_ref, + &leaf_trait_predicate, &mut err, span, is_fn_trait, @@ -769,17 +771,17 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { // Changing mutability doesn't make a difference to whether we have // an `Unsize` impl (Fixes ICE in #71036) if !is_unsize { - self.suggest_change_mut(&obligation, &mut err, trait_predicate); + self.suggest_change_mut(&obligation, &mut err, leaf_trait_predicate); } // If this error is due to `!: Trait` not implemented but `(): Trait` is // implemented, and fallback has occurred, then it could be due to a // variable that used to fallback to `()` now falling back to `!`. Issue a // note informing about the change in behaviour. - if trait_predicate.skip_binder().self_ty().is_never() + if leaf_trait_predicate.skip_binder().self_ty().is_never() && self.fallback_has_occurred { - let predicate = trait_predicate.map_bound(|trait_pred| { + let predicate = leaf_trait_predicate.map_bound(|trait_pred| { trait_pred.with_self_ty(self.tcx, tcx.types.unit) }); let unit_obligation = obligation.with(tcx, predicate); @@ -794,8 +796,8 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { } } - self.explain_hrtb_projection(&mut err, trait_predicate, obligation.param_env, &obligation.cause); - self.suggest_desugaring_async_fn_in_trait(&mut err, trait_ref); + self.explain_hrtb_projection(&mut err, leaf_trait_predicate, obligation.param_env, &obligation.cause); + self.suggest_desugaring_async_fn_in_trait(&mut err, main_trait_ref); // Return early if the trait is Debug or Display and the invocation // originates within a standard library macro, because the output @@ -813,15 +815,13 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { if in_std_macro && matches!( - self.tcx.get_diagnostic_name(trait_ref.def_id()), + self.tcx.get_diagnostic_name(leaf_trait_ref.def_id()), Some(sym::Debug | sym::Display) ) { return err.emit(); } - - err } diff --git a/tests/ui/auto-traits/typeck-default-trait-impl-precedence.stderr b/tests/ui/auto-traits/typeck-default-trait-impl-precedence.stderr index 47bb1a059be5..4773ac4ccf72 100644 --- a/tests/ui/auto-traits/typeck-default-trait-impl-precedence.stderr +++ b/tests/ui/auto-traits/typeck-default-trait-impl-precedence.stderr @@ -2,7 +2,7 @@ error[E0277]: the trait bound `&'static u32: Defaulted` is not satisfied --> $DIR/typeck-default-trait-impl-precedence.rs:19:20 | LL | is_defaulted::<&'static u32>(); - | ^^^^^^^^^^^^ the trait `Signed` is not implemented for `&'static u32`, which is required by `&'static u32: Defaulted` + | ^^^^^^^^^^^^ the trait `Signed` is not implemented for `u32`, which is required by `&'static u32: Defaulted` | note: required for `&'static u32` to implement `Defaulted` --> $DIR/typeck-default-trait-impl-precedence.rs:10:19 diff --git a/tests/ui/generic-associated-types/assume-gat-normalization-for-nested-goals.next.stderr b/tests/ui/generic-associated-types/assume-gat-normalization-for-nested-goals.next.stderr index 2c372b6c3a78..9b5d84b5b090 100644 --- a/tests/ui/generic-associated-types/assume-gat-normalization-for-nested-goals.next.stderr +++ b/tests/ui/generic-associated-types/assume-gat-normalization-for-nested-goals.next.stderr @@ -2,7 +2,7 @@ error[E0277]: the trait bound `i32: Baz` is not satisfied --> $DIR/assume-gat-normalization-for-nested-goals.rs:9:30 | LL | type Bar: Baz = i32; - | ^^^ the trait `Eq` is not implemented for `i32`, which is required by `i32: Baz` + | ^^^ the trait `Eq` is not implemented for `::Bar<()>`, which is required by `i32: Baz` | note: required for `i32` to implement `Baz` --> $DIR/assume-gat-normalization-for-nested-goals.rs:16:23 diff --git a/tests/ui/kindck/kindck-send-object.stderr b/tests/ui/kindck/kindck-send-object.stderr index 9f1ff4f3644c..7d0c711abc4c 100644 --- a/tests/ui/kindck/kindck-send-object.stderr +++ b/tests/ui/kindck/kindck-send-object.stderr @@ -4,7 +4,7 @@ error[E0277]: `&'static (dyn Dummy + 'static)` cannot be sent between threads sa LL | assert_send::<&'static (dyn Dummy + 'static)>(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `&'static (dyn Dummy + 'static)` cannot be sent between threads safely | - = help: the trait `Sync` is not implemented for `&'static (dyn Dummy + 'static)`, which is required by `&'static (dyn Dummy + 'static): Send` + = help: the trait `Sync` is not implemented for `(dyn Dummy + 'static)`, which is required by `&'static (dyn Dummy + 'static): Send` = note: required for `&'static (dyn Dummy + 'static)` to implement `Send` note: required by a bound in `assert_send` --> $DIR/kindck-send-object.rs:5:18 diff --git a/tests/ui/kindck/kindck-send-object1.stderr b/tests/ui/kindck/kindck-send-object1.stderr index f2aa814676fc..7f39dab2086a 100644 --- a/tests/ui/kindck/kindck-send-object1.stderr +++ b/tests/ui/kindck/kindck-send-object1.stderr @@ -4,7 +4,7 @@ error[E0277]: `&'a (dyn Dummy + 'a)` cannot be sent between threads safely LL | assert_send::<&'a dyn Dummy>(); | ^^^^^^^^^^^^^ `&'a (dyn Dummy + 'a)` cannot be sent between threads safely | - = help: the trait `Sync` is not implemented for `&'a (dyn Dummy + 'a)`, which is required by `&'a (dyn Dummy + 'a): Send` + = help: the trait `Sync` is not implemented for `(dyn Dummy + 'a)`, which is required by `&'a (dyn Dummy + 'a): Send` = note: required for `&'a (dyn Dummy + 'a)` to implement `Send` note: required by a bound in `assert_send` --> $DIR/kindck-send-object1.rs:5:18 diff --git a/tests/ui/kindck/kindck-send-object2.stderr b/tests/ui/kindck/kindck-send-object2.stderr index cd4d74360f86..a481a132ccef 100644 --- a/tests/ui/kindck/kindck-send-object2.stderr +++ b/tests/ui/kindck/kindck-send-object2.stderr @@ -4,7 +4,7 @@ error[E0277]: `&'static (dyn Dummy + 'static)` cannot be sent between threads sa LL | assert_send::<&'static dyn Dummy>(); | ^^^^^^^^^^^^^^^^^^ `&'static (dyn Dummy + 'static)` cannot be sent between threads safely | - = help: the trait `Sync` is not implemented for `&'static (dyn Dummy + 'static)`, which is required by `&'static (dyn Dummy + 'static): Send` + = help: the trait `Sync` is not implemented for `(dyn Dummy + 'static)`, which is required by `&'static (dyn Dummy + 'static): Send` = note: required for `&'static (dyn Dummy + 'static)` to implement `Send` note: required by a bound in `assert_send` --> $DIR/kindck-send-object2.rs:3:18 diff --git a/tests/ui/suggestions/suggest-remove-refs-5.stderr b/tests/ui/suggestions/suggest-remove-refs-5.stderr index 3b6994b45d10..b132c56473ee 100644 --- a/tests/ui/suggestions/suggest-remove-refs-5.stderr +++ b/tests/ui/suggestions/suggest-remove-refs-5.stderr @@ -4,7 +4,7 @@ error[E0277]: `&mut &mut &mut &mut Vec` is not an iterator LL | for _ in &mut &mut v {} | ^^^^^^^^^^^ `&mut &mut &mut &mut Vec` is not an iterator | - = help: the trait `Iterator` is not implemented for `&mut &mut &mut &mut Vec`, which is required by `&mut &mut &mut &mut Vec: IntoIterator` + = help: the trait `Iterator` is not implemented for `Vec`, which is required by `&mut &mut &mut &mut Vec: IntoIterator` = note: required for `&mut Vec` to implement `Iterator` = note: 3 redundant requirements hidden = note: required for `&mut &mut &mut &mut Vec` to implement `Iterator` @@ -21,7 +21,7 @@ error[E0277]: `&mut &mut &mut [u8; 1]` is not an iterator LL | for _ in &mut v {} | ^^^^^^ `&mut &mut &mut [u8; 1]` is not an iterator | - = help: the trait `Iterator` is not implemented for `&mut &mut &mut [u8; 1]`, which is required by `&mut &mut &mut [u8; 1]: IntoIterator` + = help: the trait `Iterator` is not implemented for `[u8; 1]`, which is required by `&mut &mut &mut [u8; 1]: IntoIterator` = note: required for `&mut [u8; 1]` to implement `Iterator` = note: 2 redundant requirements hidden = note: required for `&mut &mut &mut [u8; 1]` to implement `Iterator` diff --git a/tests/ui/traits/next-solver/auto-with-drop_tracking_mir.fail.stderr b/tests/ui/traits/next-solver/auto-with-drop_tracking_mir.fail.stderr index 562d7ccf9fec..e0b23bd8110a 100644 --- a/tests/ui/traits/next-solver/auto-with-drop_tracking_mir.fail.stderr +++ b/tests/ui/traits/next-solver/auto-with-drop_tracking_mir.fail.stderr @@ -4,7 +4,7 @@ error: future cannot be sent between threads safely LL | is_send(foo()); | ^^^^^ future returned by `foo` is not `Send` | - = help: the trait `Sync` is not implemented for `impl Future`, which is required by `impl Future: Send` + = help: the trait `Sync` is not implemented for `NotSync`, which is required by `impl Future: Send` note: future is not `Send` as this value is used across an await --> $DIR/auto-with-drop_tracking_mir.rs:16:11 | diff --git a/tests/ui/traits/next-solver/diagnostics/point-at-failing-nested.stderr b/tests/ui/traits/next-solver/diagnostics/point-at-failing-nested.stderr index 6bf4e3cb5349..9a18a58debd2 100644 --- a/tests/ui/traits/next-solver/diagnostics/point-at-failing-nested.stderr +++ b/tests/ui/traits/next-solver/diagnostics/point-at-failing-nested.stderr @@ -4,6 +4,11 @@ error[E0277]: the trait bound `(): Foo` is not satisfied LL | needs_foo::<()>(); | ^^ the trait `Bar` is not implemented for `()`, which is required by `(): Foo` | +help: this trait has no implementations, consider adding one + --> $DIR/point-at-failing-nested.rs:4:1 + | +LL | trait Bar {} + | ^^^^^^^^^ note: required for `()` to implement `Foo` --> $DIR/point-at-failing-nested.rs:9:12 | diff --git a/tests/ui/traits/next-solver/diagnostics/where-clause-doesnt-apply.stderr b/tests/ui/traits/next-solver/diagnostics/where-clause-doesnt-apply.stderr index 77a0cc497541..ab1d4a56c023 100644 --- a/tests/ui/traits/next-solver/diagnostics/where-clause-doesnt-apply.stderr +++ b/tests/ui/traits/next-solver/diagnostics/where-clause-doesnt-apply.stderr @@ -6,6 +6,11 @@ LL | needs_foo(()); | | | required by a bound introduced by this call | +help: this trait has no implementations, consider adding one + --> $DIR/where-clause-doesnt-apply.rs:2:1 + | +LL | trait Bar {} + | ^^^^^^^^^ note: required for `()` to implement `Foo` --> $DIR/where-clause-doesnt-apply.rs:4:9 | diff --git a/tests/ui/traits/suggest-dereferences/root-obligation.stderr b/tests/ui/traits/suggest-dereferences/root-obligation.stderr index 14b2ecbb9f2d..bbfbb98fba77 100644 --- a/tests/ui/traits/suggest-dereferences/root-obligation.stderr +++ b/tests/ui/traits/suggest-dereferences/root-obligation.stderr @@ -2,7 +2,7 @@ error[E0277]: the trait bound `&char: Pattern<'_>` is not satisfied --> $DIR/root-obligation.rs:6:38 | LL | .filter(|c| "aeiou".contains(c)) - | -------- ^ the trait `Fn(char)` is not implemented for `&char`, which is required by `&char: Pattern<'_>` + | -------- ^ the trait `Fn(char)` is not implemented for `char`, which is required by `&char: Pattern<'_>` | | | required by a bound introduced by this call | diff --git a/tests/ui/transmutability/references/unsafecell.stderr b/tests/ui/transmutability/references/unsafecell.stderr index 651eb8ceb267..8bb323593554 100644 --- a/tests/ui/transmutability/references/unsafecell.stderr +++ b/tests/ui/transmutability/references/unsafecell.stderr @@ -2,7 +2,7 @@ error[E0277]: `&u8` cannot be safely transmuted into `&UnsafeCell` --> $DIR/unsafecell.rs:27:50 | LL | assert::is_maybe_transmutable::<&'static u8, &'static UnsafeCell>(); - | ^^^^^^^^^^^^^^^^^^^^^^^ the trait `Freeze` is not implemented for `&'static UnsafeCell` + | ^^^^^^^^^^^^^^^^^^^^^^^ the trait `Freeze` is not implemented for `UnsafeCell` | note: required by a bound in `is_maybe_transmutable` --> $DIR/unsafecell.rs:12:14 @@ -17,7 +17,7 @@ error[E0277]: `&UnsafeCell` cannot be safely transmuted into `&UnsafeCell $DIR/unsafecell.rs:29:62 | LL | assert::is_maybe_transmutable::<&'static UnsafeCell, &'static UnsafeCell>(); - | ^^^^^^^^^^^^^^^^^^^^^^^ the trait `Freeze` is not implemented for `&'static UnsafeCell` + | ^^^^^^^^^^^^^^^^^^^^^^^ the trait `Freeze` is not implemented for `UnsafeCell` | note: required by a bound in `is_maybe_transmutable` --> $DIR/unsafecell.rs:12:14 From 93d83c8f6957e30e6985e9f133afac74423ea65a Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sat, 8 Jun 2024 14:02:14 -0400 Subject: [PATCH 1442/1716] Bless and add ICE regression test --- ...ggest-similar-impls-for-root-obligation.rs | 16 +++++++++++++++ ...t-similar-impls-for-root-obligation.stderr | 20 +++++++++++++++++++ 2 files changed, 36 insertions(+) create mode 100644 tests/ui/typeck/suggest-similar-impls-for-root-obligation.rs create mode 100644 tests/ui/typeck/suggest-similar-impls-for-root-obligation.stderr diff --git a/tests/ui/typeck/suggest-similar-impls-for-root-obligation.rs b/tests/ui/typeck/suggest-similar-impls-for-root-obligation.rs new file mode 100644 index 000000000000..243a3218359d --- /dev/null +++ b/tests/ui/typeck/suggest-similar-impls-for-root-obligation.rs @@ -0,0 +1,16 @@ +trait Foo<'s> {} + +impl<'s> Foo<'s> for () {} + +struct Bar; + +impl<'s, T: Foo<'s>> From for Bar { + fn from(_: T) -> Self { + Bar + } +} + +fn main() { + let _: Bar = ((),).into(); + //~^ ERROR he trait bound `((),): Into` is not satisfied +} \ No newline at end of file diff --git a/tests/ui/typeck/suggest-similar-impls-for-root-obligation.stderr b/tests/ui/typeck/suggest-similar-impls-for-root-obligation.stderr new file mode 100644 index 000000000000..8410574e3112 --- /dev/null +++ b/tests/ui/typeck/suggest-similar-impls-for-root-obligation.stderr @@ -0,0 +1,20 @@ +error[E0277]: the trait bound `((),): Into` is not satisfied + --> $DIR/suggest-similar-impls-for-root-obligation.rs:14:24 + | +LL | let _: Bar = ((),).into(); + | ^^^^ the trait `Foo<'_>` is not implemented for `((),)`, which is required by `((),): Into<_>` + | + = help: the trait `Foo<'_>` is implemented for `()` + = help: for that trait implementation, expected `()`, found `((),)` +note: required for `Bar` to implement `From<((),)>` + --> $DIR/suggest-similar-impls-for-root-obligation.rs:7:22 + | +LL | impl<'s, T: Foo<'s>> From for Bar { + | ------- ^^^^^^^ ^^^ + | | + | unsatisfied trait bound introduced here + = note: required for `((),)` to implement `Into` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0277`. From f8d12d9189a6806be81008d4a25717b261ff8eaf Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Fri, 7 Jun 2024 17:01:55 -0400 Subject: [PATCH 1443/1716] Stop passing both trait pred and trait ref --- .../src/traits/error_reporting/suggestions.rs | 5 ++-- .../error_reporting/type_err_ctxt_ext.rs | 29 ++++++++++--------- 2 files changed, 18 insertions(+), 16 deletions(-) diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs index 087f7fbea00b..93dbde75d585 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs @@ -4863,14 +4863,13 @@ impl<'a, 'hir> hir::intravisit::Visitor<'hir> for ReplaceImplTraitVisitor<'a> { pub(super) fn get_explanation_based_on_obligation<'tcx>( tcx: TyCtxt<'tcx>, obligation: &PredicateObligation<'tcx>, - trait_ref: ty::PolyTraitRef<'tcx>, trait_predicate: &ty::PolyTraitPredicate<'tcx>, pre_message: String, ) -> String { if let ObligationCauseCode::MainFunctionType = obligation.cause.code() { "consider using `()`, or a `Result`".to_owned() } else { - let ty_desc = match trait_ref.skip_binder().self_ty().kind() { + let ty_desc = match trait_predicate.self_ty().skip_binder().kind() { ty::FnDef(_, _) => Some("fn item"), ty::Closure(_, _) => Some("closure"), _ => None, @@ -4895,7 +4894,7 @@ pub(super) fn get_explanation_based_on_obligation<'tcx>( format!( "{pre_message}the trait `{}` is not implemented for{desc} `{}`{post}", trait_predicate.print_modifiers_and_trait_path(), - tcx.short_ty_string(trait_ref.skip_binder().self_ty(), &mut None), + tcx.short_ty_string(trait_predicate.self_ty().skip_binder(), &mut None), ) } else { // "the trait bound `T: !Send` is not satisfied" reads better than "`!Send` is diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs index cdf162ca2eb9..7796a69f376c 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs @@ -603,7 +603,6 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { let explanation = get_explanation_based_on_obligation( self.tcx, &obligation, - leaf_trait_ref, &leaf_trait_predicate, pre_message, ); @@ -759,7 +758,6 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { self.try_to_add_help_message( &obligation, - leaf_trait_ref, &leaf_trait_predicate, &mut err, span, @@ -3215,7 +3213,6 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { fn try_to_add_help_message( &self, obligation: &PredicateObligation<'tcx>, - trait_ref: ty::PolyTraitRef<'tcx>, trait_predicate: &ty::PolyTraitPredicate<'tcx>, err: &mut Diag<'_>, span: Span, @@ -3233,15 +3230,21 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { }; // Try to report a help message + let trait_def_id = trait_predicate.def_id(); if is_fn_trait && let Ok((implemented_kind, params)) = self.type_implements_fn_trait( obligation.param_env, - trait_ref.self_ty(), + trait_predicate.self_ty(), trait_predicate.skip_binder().polarity, ) { - self.add_help_message_for_fn_trait(trait_ref, err, implemented_kind, params); - } else if !trait_ref.has_non_region_infer() + self.add_help_message_for_fn_trait( + trait_predicate.to_poly_trait_ref(), + err, + implemented_kind, + params, + ); + } else if !trait_predicate.has_non_region_infer() && self.predicate_can_apply(obligation.param_env, *trait_predicate) { // If a where-clause may be useful, remind the @@ -3257,13 +3260,13 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { None, obligation.cause.body_id, ); - } else if trait_ref.def_id().is_local() - && self.tcx.trait_impls_of(trait_ref.def_id()).is_empty() - && !self.tcx.trait_is_auto(trait_ref.def_id()) - && !self.tcx.trait_is_alias(trait_ref.def_id()) + } else if trait_def_id.is_local() + && self.tcx.trait_impls_of(trait_def_id).is_empty() + && !self.tcx.trait_is_auto(trait_def_id) + && !self.tcx.trait_is_alias(trait_def_id) { err.span_help( - self.tcx.def_span(trait_ref.def_id()), + self.tcx.def_span(trait_def_id), crate::fluent_generated::trait_selection_trait_has_no_impls, ); } else if !suggested && !unsatisfied_const { @@ -3271,7 +3274,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { let impl_candidates = self.find_similar_impl_candidates(*trait_predicate); if !self.report_similar_impl_candidates( &impl_candidates, - trait_ref, + trait_predicate.to_poly_trait_ref(), body_def_id, err, true, @@ -3288,7 +3291,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { self.suggest_convert_to_slice( err, obligation, - trait_ref, + trait_predicate.to_poly_trait_ref(), impl_candidates.as_slice(), span, ); From 2c0348a0d8ac511a63e92443f570147a97a6580d Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Fri, 7 Jun 2024 17:05:30 -0400 Subject: [PATCH 1444/1716] Stop passing traitref/traitpredicate by ref --- .../infer/error_reporting/note_and_explain.rs | 6 ++-- compiler/rustc_infer/src/traits/util.rs | 3 +- compiler/rustc_middle/src/traits/util.rs | 2 +- compiler/rustc_middle/src/ty/predicate.rs | 2 +- .../src/traits/error_reporting/suggestions.rs | 4 +-- .../error_reporting/type_err_ctxt_ext.rs | 32 ++++++++----------- .../src/traits/object_safety.rs | 2 +- .../src/traits/select/mod.rs | 14 ++++---- .../rustc_trait_selection/src/traits/util.rs | 2 +- .../src/traits/vtable.rs | 2 +- ...ggest-similar-impls-for-root-obligation.rs | 2 +- 11 files changed, 33 insertions(+), 38 deletions(-) diff --git a/compiler/rustc_infer/src/infer/error_reporting/note_and_explain.rs b/compiler/rustc_infer/src/infer/error_reporting/note_and_explain.rs index effb4090692c..bc59b5e033ba 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/note_and_explain.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/note_and_explain.rs @@ -546,7 +546,7 @@ impl Trait for X { for pred in hir_generics.bounds_for_param(def_id) { if self.constrain_generic_bound_associated_type_structured_suggestion( diag, - &trait_ref, + trait_ref, pred.bounds, assoc, assoc_args, @@ -715,7 +715,7 @@ fn foo(&self) -> Self::T { String::new() } self.constrain_generic_bound_associated_type_structured_suggestion( diag, - &trait_ref, + trait_ref, opaque_hir_ty.bounds, assoc, assoc_args, @@ -869,7 +869,7 @@ fn foo(&self) -> Self::T { String::new() } fn constrain_generic_bound_associated_type_structured_suggestion( &self, diag: &mut Diag<'_>, - trait_ref: &ty::TraitRef<'tcx>, + trait_ref: ty::TraitRef<'tcx>, bounds: hir::GenericBounds<'_>, assoc: ty::AssocItem, assoc_args: &[ty::GenericArg<'tcx>], diff --git a/compiler/rustc_infer/src/traits/util.rs b/compiler/rustc_infer/src/traits/util.rs index cc12a4bf0914..ab4148faaab6 100644 --- a/compiler/rustc_infer/src/traits/util.rs +++ b/compiler/rustc_infer/src/traits/util.rs @@ -285,8 +285,7 @@ impl<'tcx, O: Elaboratable<'tcx>> Elaborator<'tcx, O> { let obligations = predicates.predicates.iter().enumerate().map(|(index, &(clause, span))| { elaboratable.child_with_derived_cause( - clause - .instantiate_supertrait(tcx, &bound_clause.rebind(data.trait_ref)), + clause.instantiate_supertrait(tcx, bound_clause.rebind(data.trait_ref)), span, bound_clause.rebind(data), index, diff --git a/compiler/rustc_middle/src/traits/util.rs b/compiler/rustc_middle/src/traits/util.rs index 707e076921bc..adbb6cf2ddc9 100644 --- a/compiler/rustc_middle/src/traits/util.rs +++ b/compiler/rustc_middle/src/traits/util.rs @@ -37,7 +37,7 @@ impl<'tcx> Elaborator<'tcx> { let super_predicates = self.tcx.super_predicates_of(trait_ref.def_id()).predicates.iter().filter_map( |&(pred, _)| { - let clause = pred.instantiate_supertrait(self.tcx, &trait_ref); + let clause = pred.instantiate_supertrait(self.tcx, trait_ref); self.visited.insert(clause).then_some(clause) }, ); diff --git a/compiler/rustc_middle/src/ty/predicate.rs b/compiler/rustc_middle/src/ty/predicate.rs index c730f5117c56..785aa8d456fc 100644 --- a/compiler/rustc_middle/src/ty/predicate.rs +++ b/compiler/rustc_middle/src/ty/predicate.rs @@ -313,7 +313,7 @@ impl<'tcx> Clause<'tcx> { pub fn instantiate_supertrait( self, tcx: TyCtxt<'tcx>, - trait_ref: &ty::PolyTraitRef<'tcx>, + trait_ref: ty::PolyTraitRef<'tcx>, ) -> Clause<'tcx> { // The interaction between HRTB and supertraits is not entirely // obvious. Let me walk you (and myself) through an example. diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs index 93dbde75d585..bd85f34aa8eb 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs @@ -3597,7 +3597,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { &self, obligation: &PredicateObligation<'tcx>, err: &mut Diag<'_>, - trait_ref: &ty::PolyTraitRef<'tcx>, + trait_ref: ty::PolyTraitRef<'tcx>, ) { let rhs_span = match obligation.cause.code() { ObligationCauseCode::BinOp { rhs_span: Some(span), rhs_is_lit, .. } if *rhs_is_lit => { @@ -4863,7 +4863,7 @@ impl<'a, 'hir> hir::intravisit::Visitor<'hir> for ReplaceImplTraitVisitor<'a> { pub(super) fn get_explanation_based_on_obligation<'tcx>( tcx: TyCtxt<'tcx>, obligation: &PredicateObligation<'tcx>, - trait_predicate: &ty::PolyTraitPredicate<'tcx>, + trait_predicate: ty::PolyTraitPredicate<'tcx>, pre_message: String, ) -> String { if let ObligationCauseCode::MainFunctionType = obligation.cause.code() { diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs index 7796a69f376c..54f337310f56 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs @@ -532,7 +532,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { }; let err_msg = self.get_standard_error_message( - &main_trait_predicate, + main_trait_predicate, message, predicate_is_const, append_const_msg, @@ -603,7 +603,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { let explanation = get_explanation_based_on_obligation( self.tcx, &obligation, - &leaf_trait_predicate, + leaf_trait_predicate, pre_message, ); @@ -658,7 +658,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { let UnsatisfiedConst(unsatisfied_const) = self .maybe_add_note_for_unsatisfied_const( - &leaf_trait_predicate, + leaf_trait_predicate, &mut err, span, ); @@ -675,7 +675,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { err.span_label(tcx.def_span(body), s); } - self.suggest_floating_point_literal(&obligation, &mut err, &leaf_trait_ref); + self.suggest_floating_point_literal(&obligation, &mut err, leaf_trait_ref); self.suggest_dereferencing_index(&obligation, &mut err, leaf_trait_predicate); suggested |= self.suggest_dereferences(&obligation, &mut err, leaf_trait_predicate); suggested |= self.suggest_fn_call(&obligation, &mut err, leaf_trait_predicate); @@ -710,7 +710,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { span, leaf_trait_predicate, ); - self.note_version_mismatch(&mut err, &leaf_trait_ref); + self.note_version_mismatch(&mut err, leaf_trait_ref); self.suggest_remove_await(&obligation, &mut err); self.suggest_derive(&obligation, &mut err, leaf_trait_predicate); @@ -758,7 +758,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { self.try_to_add_help_message( &obligation, - &leaf_trait_predicate, + leaf_trait_predicate, &mut err, span, is_fn_trait, @@ -2234,11 +2234,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { /// If the `Self` type of the unsatisfied trait `trait_ref` implements a trait /// with the same path as `trait_ref`, a help message about /// a probable version mismatch is added to `err` - fn note_version_mismatch( - &self, - err: &mut Diag<'_>, - trait_ref: &ty::PolyTraitRef<'tcx>, - ) -> bool { + fn note_version_mismatch(&self, err: &mut Diag<'_>, trait_ref: ty::PolyTraitRef<'tcx>) -> bool { let get_trait_impls = |trait_def_id| { let mut trait_impls = vec![]; self.tcx.for_each_relevant_impl( @@ -3042,7 +3038,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { fn get_standard_error_message( &self, - trait_predicate: &ty::PolyTraitPredicate<'tcx>, + trait_predicate: ty::PolyTraitPredicate<'tcx>, message: Option, predicate_is_const: bool, append_const_msg: Option, @@ -3213,7 +3209,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { fn try_to_add_help_message( &self, obligation: &PredicateObligation<'tcx>, - trait_predicate: &ty::PolyTraitPredicate<'tcx>, + trait_predicate: ty::PolyTraitPredicate<'tcx>, err: &mut Diag<'_>, span: Span, is_fn_trait: bool, @@ -3245,7 +3241,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { params, ); } else if !trait_predicate.has_non_region_infer() - && self.predicate_can_apply(obligation.param_env, *trait_predicate) + && self.predicate_can_apply(obligation.param_env, trait_predicate) { // If a where-clause may be useful, remind the // user that they can add it. @@ -3256,7 +3252,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { // which is somewhat confusing. self.suggest_restricting_param_bound( err, - *trait_predicate, + trait_predicate, None, obligation.cause.body_id, ); @@ -3271,7 +3267,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { ); } else if !suggested && !unsatisfied_const { // Can't show anything else useful, try to find similar impls. - let impl_candidates = self.find_similar_impl_candidates(*trait_predicate); + let impl_candidates = self.find_similar_impl_candidates(trait_predicate); if !self.report_similar_impl_candidates( &impl_candidates, trait_predicate.to_poly_trait_ref(), @@ -3282,7 +3278,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { ) { self.report_similar_impl_candidates_for_root_obligation( obligation, - *trait_predicate, + trait_predicate, body_def_id, err, ); @@ -3356,7 +3352,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { fn maybe_add_note_for_unsatisfied_const( &self, - _trait_predicate: &ty::PolyTraitPredicate<'tcx>, + _trait_predicate: ty::PolyTraitPredicate<'tcx>, _err: &mut Diag<'_>, _span: Span, ) -> UnsatisfiedConst { diff --git a/compiler/rustc_trait_selection/src/traits/object_safety.rs b/compiler/rustc_trait_selection/src/traits/object_safety.rs index 08355ef55c49..fc5a2875b67a 100644 --- a/compiler/rustc_trait_selection/src/traits/object_safety.rs +++ b/compiler/rustc_trait_selection/src/traits/object_safety.rs @@ -194,7 +194,7 @@ fn predicates_reference_self( predicates .predicates .iter() - .map(|&(predicate, sp)| (predicate.instantiate_supertrait(tcx, &trait_ref), sp)) + .map(|&(predicate, sp)| (predicate.instantiate_supertrait(tcx, trait_ref), sp)) .filter_map(|predicate| predicate_references_self(tcx, predicate)) .collect() } diff --git a/compiler/rustc_trait_selection/src/traits/select/mod.rs b/compiler/rustc_trait_selection/src/traits/select/mod.rs index 4306a8035241..4487ba60faab 100644 --- a/compiler/rustc_trait_selection/src/traits/select/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/select/mod.rs @@ -1866,7 +1866,7 @@ impl<'tcx> SelectionContext<'_, 'tcx> { // the param_env so that it can be given the lowest priority. See // #50825 for the motivation for this. let is_global = - |cand: &ty::PolyTraitPredicate<'tcx>| cand.is_global() && !cand.has_bound_vars(); + |cand: ty::PolyTraitPredicate<'tcx>| cand.is_global() && !cand.has_bound_vars(); // (*) Prefer `BuiltinCandidate { has_nested: false }`, `PointeeCandidate`, // `DiscriminantKindCandidate`, `ConstDestructCandidate` @@ -1909,7 +1909,7 @@ impl<'tcx> SelectionContext<'_, 'tcx> { } ( - ParamCandidate(ref other_cand), + ParamCandidate(other_cand), ImplCandidate(..) | AutoImplCandidate | ClosureCandidate { .. } @@ -1934,12 +1934,12 @@ impl<'tcx> SelectionContext<'_, 'tcx> { // // Global bounds from the where clause should be ignored // here (see issue #50825). - DropVictim::drop_if(!is_global(other_cand)) + DropVictim::drop_if(!is_global(*other_cand)) } - (ObjectCandidate(_) | ProjectionCandidate(_), ParamCandidate(ref victim_cand)) => { + (ObjectCandidate(_) | ProjectionCandidate(_), ParamCandidate(victim_cand)) => { // Prefer these to a global where-clause bound // (see issue #50825). - if is_global(victim_cand) { DropVictim::Yes } else { DropVictim::No } + if is_global(*victim_cand) { DropVictim::Yes } else { DropVictim::No } } ( ImplCandidate(_) @@ -1957,12 +1957,12 @@ impl<'tcx> SelectionContext<'_, 'tcx> { | TraitUpcastingUnsizeCandidate(_) | BuiltinCandidate { has_nested: true } | TraitAliasCandidate, - ParamCandidate(ref victim_cand), + ParamCandidate(victim_cand), ) => { // Prefer these to a global where-clause bound // (see issue #50825). DropVictim::drop_if( - is_global(victim_cand) && other.evaluation.must_apply_modulo_regions(), + is_global(*victim_cand) && other.evaluation.must_apply_modulo_regions(), ) } diff --git a/compiler/rustc_trait_selection/src/traits/util.rs b/compiler/rustc_trait_selection/src/traits/util.rs index 960c27b636e1..ce7245d93a4e 100644 --- a/compiler/rustc_trait_selection/src/traits/util.rs +++ b/compiler/rustc_trait_selection/src/traits/util.rs @@ -132,7 +132,7 @@ impl<'tcx> TraitAliasExpander<'tcx> { debug!(?predicates); let items = predicates.predicates.iter().rev().filter_map(|(pred, span)| { - pred.instantiate_supertrait(tcx, &trait_ref) + pred.instantiate_supertrait(tcx, trait_ref) .as_trait_clause() .map(|trait_ref| item.clone_and_push(trait_ref.map_bound(|t| t.trait_ref), *span)) }); diff --git a/compiler/rustc_trait_selection/src/traits/vtable.rs b/compiler/rustc_trait_selection/src/traits/vtable.rs index c93ec43944ad..9bd4a9aab0ab 100644 --- a/compiler/rustc_trait_selection/src/traits/vtable.rs +++ b/compiler/rustc_trait_selection/src/traits/vtable.rs @@ -125,7 +125,7 @@ fn prepare_vtable_segments_inner<'tcx, T>( .predicates .into_iter() .filter_map(move |(pred, _)| { - pred.instantiate_supertrait(tcx, &inner_most_trait_ref).as_trait_clause() + pred.instantiate_supertrait(tcx, inner_most_trait_ref).as_trait_clause() }); // Find an unvisited supertrait diff --git a/tests/ui/typeck/suggest-similar-impls-for-root-obligation.rs b/tests/ui/typeck/suggest-similar-impls-for-root-obligation.rs index 243a3218359d..d00b4f331325 100644 --- a/tests/ui/typeck/suggest-similar-impls-for-root-obligation.rs +++ b/tests/ui/typeck/suggest-similar-impls-for-root-obligation.rs @@ -13,4 +13,4 @@ impl<'s, T: Foo<'s>> From for Bar { fn main() { let _: Bar = ((),).into(); //~^ ERROR he trait bound `((),): Into` is not satisfied -} \ No newline at end of file +} From d1fa19ce93c9f79fdd123e785599a84ea8925c7c Mon Sep 17 00:00:00 2001 From: Aleksandr Pak <45790125+sancho20021@users.noreply.github.com> Date: Wed, 12 Jun 2024 16:05:45 +1000 Subject: [PATCH 1445/1716] Add urls to rust lang reference --- compiler/rustc_hir/src/hir.rs | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/compiler/rustc_hir/src/hir.rs b/compiler/rustc_hir/src/hir.rs index 87ff39a8294c..d948945bf429 100644 --- a/compiler/rustc_hir/src/hir.rs +++ b/compiler/rustc_hir/src/hir.rs @@ -1632,6 +1632,13 @@ pub struct ConstBlock { } /// An expression. +/// +/// For more details, see the [rust lang reference]. +/// Note that the reference does not document nightly-only features. +/// There may be also slight differences in the names and representation of AST nodes between +/// the compiler and the reference. +/// +/// [rust lang reference]: https://doc.rust-lang.org/reference/expressions.html #[derive(Debug, Clone, Copy, HashStable_Generic)] pub struct Expr<'hir> { pub hir_id: HirId, @@ -3146,6 +3153,13 @@ impl ItemId { /// An item /// /// The name might be a dummy name in case of anonymous items +/// +/// For more details, see the [rust lang reference]. +/// Note that the reference does not document nightly-only features. +/// There may be also slight differences in the names and representation of AST nodes between +/// the compiler and the reference. +/// +/// [rust lang reference]: https://doc.rust-lang.org/reference/items.html #[derive(Debug, Clone, Copy, HashStable_Generic)] pub struct Item<'hir> { pub ident: Ident, From ae24ebe7102d254959c0d7b8f7e9ec3dfdd1aaaa Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Wed, 12 Jun 2024 21:17:33 -0400 Subject: [PATCH 1446/1716] Rebase fallout --- .../src/traits/error_reporting/suggestions.rs | 9 ++++----- .../src/traits/error_reporting/type_err_ctxt_ext.rs | 6 ++++-- tests/ui/impl-trait/nested_impl_trait.stderr | 4 ++-- 3 files changed, 10 insertions(+), 9 deletions(-) diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs index bd85f34aa8eb..4604c132835b 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs @@ -4592,7 +4592,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { &self, obligation: &PredicateObligation<'tcx>, err: &mut Diag<'_>, - trait_ref: ty::PolyTraitRef<'tcx>, + trait_pred: ty::PolyTraitPredicate<'tcx>, ) { if ObligationCauseCode::QuestionMark != *obligation.cause.code().peel_derives() { return; @@ -4602,10 +4602,9 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { if let hir::Node::Item(item) = node && let hir::ItemKind::Fn(sig, _, body_id) = item.kind && let hir::FnRetTy::DefaultReturn(ret_span) = sig.decl.output - && self.tcx.is_diagnostic_item(sym::FromResidual, trait_ref.def_id()) - && let ty::Tuple(l) = trait_ref.skip_binder().args.type_at(0).kind() - && l.len() == 0 - && let ty::Adt(def, _) = trait_ref.skip_binder().args.type_at(1).kind() + && self.tcx.is_diagnostic_item(sym::FromResidual, trait_pred.def_id()) + && trait_pred.skip_binder().trait_ref.args.type_at(0).is_unit() + && let ty::Adt(def, _) = trait_pred.skip_binder().trait_ref.args.type_at(1).kind() && self.tcx.is_diagnostic_item(sym::Result, def.did()) { let body = self.tcx.hir().body(body_id); diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs index 54f337310f56..3377ab5764ad 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs @@ -612,9 +612,11 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { &mut err, leaf_trait_predicate, ); - self.suggest_add_result_as_return_type(&obligation, + self.suggest_add_result_as_return_type( + &obligation, &mut err, - trait_ref); + leaf_trait_predicate, + ); if self.suggest_add_reference_to_arg( &obligation, diff --git a/tests/ui/impl-trait/nested_impl_trait.stderr b/tests/ui/impl-trait/nested_impl_trait.stderr index 1f9a2a5e9d60..a53312e5c0bd 100644 --- a/tests/ui/impl-trait/nested_impl_trait.stderr +++ b/tests/ui/impl-trait/nested_impl_trait.stderr @@ -46,7 +46,7 @@ error[E0277]: the trait bound `impl Into: Into` is not satisfie --> $DIR/nested_impl_trait.rs:6:46 | LL | fn bad_in_ret_position(x: impl Into) -> impl Into { x } - | ^^^^^^^^^^^^^^^^^^^^^ the trait `From>` is not implemented for `impl Into`, which is required by `impl Into: Into` + | ^^^^^^^^^^^^^^^^^^^^^ the trait `From>` is not implemented for `impl Debug`, which is required by `impl Into: Into` | = help: the trait `Into` is implemented for `T` = note: required for `impl Into` to implement `Into` @@ -55,7 +55,7 @@ error[E0277]: the trait bound `impl Into: Into` is not satisfie --> $DIR/nested_impl_trait.rs:19:34 | LL | fn bad(x: impl Into) -> impl Into { x } - | ^^^^^^^^^^^^^^^^^^^^^ the trait `From>` is not implemented for `impl Into`, which is required by `impl Into: Into` + | ^^^^^^^^^^^^^^^^^^^^^ the trait `From>` is not implemented for `impl Debug`, which is required by `impl Into: Into` | = help: the trait `Into` is implemented for `T` = note: required for `impl Into` to implement `Into` From c9d880bf01dc0356120f159e9bd78c0567c51513 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Tue, 11 Jun 2024 15:37:43 +1000 Subject: [PATCH 1447/1716] compiletest: Move `static_regex!` into `compiletest::util` --- src/tools/compiletest/src/runtest.rs | 10 +--------- src/tools/compiletest/src/runtest/coverage.rs | 3 ++- src/tools/compiletest/src/util.rs | 8 ++++++++ 3 files changed, 11 insertions(+), 10 deletions(-) diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs index dbe016b8305a..a0e5fa4d10d5 100644 --- a/src/tools/compiletest/src/runtest.rs +++ b/src/tools/compiletest/src/runtest.rs @@ -15,7 +15,7 @@ use crate::errors::{self, Error, ErrorKind}; use crate::header::TestProps; use crate::json; use crate::read2::{read2_abbreviated, Truncated}; -use crate::util::{add_dylib_path, copy_dir_all, dylib_env_var, logv, PathBufExt}; +use crate::util::{add_dylib_path, copy_dir_all, dylib_env_var, logv, static_regex, PathBufExt}; use crate::ColorConfig; use colored::Colorize; use miropt_test_tools::{files_for_miropt_test, MiroptTest, MiroptTestFile}; @@ -48,14 +48,6 @@ use debugger::DebuggerCommands; #[cfg(test)] mod tests; -macro_rules! static_regex { - ($re:literal) => {{ - static RE: ::std::sync::OnceLock<::regex::Regex> = ::std::sync::OnceLock::new(); - RE.get_or_init(|| ::regex::Regex::new($re).unwrap()) - }}; -} -use static_regex; - const FAKE_SRC_BASE: &str = "fake-test-src-base"; #[cfg(windows)] diff --git a/src/tools/compiletest/src/runtest/coverage.rs b/src/tools/compiletest/src/runtest/coverage.rs index 8bd7c7e808d3..6ee147da5a96 100644 --- a/src/tools/compiletest/src/runtest/coverage.rs +++ b/src/tools/compiletest/src/runtest/coverage.rs @@ -7,7 +7,8 @@ use std::process::Command; use glob::glob; use crate::common::{UI_COVERAGE, UI_COVERAGE_MAP}; -use crate::runtest::{static_regex, Emit, ProcRes, TestCx, WillExecute}; +use crate::runtest::{Emit, ProcRes, TestCx, WillExecute}; +use crate::util::static_regex; impl<'test> TestCx<'test> { fn coverage_dump_path(&self) -> &Path { diff --git a/src/tools/compiletest/src/util.rs b/src/tools/compiletest/src/util.rs index ec20bda8c189..cdec49a51d75 100644 --- a/src/tools/compiletest/src/util.rs +++ b/src/tools/compiletest/src/util.rs @@ -90,3 +90,11 @@ pub fn copy_dir_all(src: impl AsRef, dst: impl AsRef) -> std::io::Re } Ok(()) } + +macro_rules! static_regex { + ($re:literal) => {{ + static RE: ::std::sync::OnceLock<::regex::Regex> = ::std::sync::OnceLock::new(); + RE.get_or_init(|| ::regex::Regex::new($re).unwrap()) + }}; +} +pub(crate) use static_regex; From fb662f2126b026c91ddbc17ac3bdb8bd2bf575c5 Mon Sep 17 00:00:00 2001 From: Jack Wrenn Date: Wed, 12 Jun 2024 22:07:37 +0000 Subject: [PATCH 1448/1716] safe transmute: support `Variants::Single` enums Previously, the implementation of `Tree::from_enum` incorrectly treated enums with `Variants::Single` and `Variants::Multiple` identically. This is incorrect for `Variants::Single` enums, which delegate their layout to that of a variant with a particular index (or no variant at all if the enum is empty). This flaw manifested first as an ICE. `Tree::from_enum` attempted to compute the tag of variants other than the one at `Variants::Single`'s `index`, and fell afoul of a sanity-checking assertion in `compiler/rustc_const_eval/src/interpret/discriminant.rs`. This assertion is non-load-bearing, and can be removed; the routine its in is well-behaved even without it. With the assertion removed, the proximate issue becomes apparent: calling `Tree::from_variant` on a variant that does not exist is ill-defined. A sanity check the given variant has `FieldShapes::Arbitrary` fails, and the analysis is (correctly) aborted with `Err::NotYetSupported`. This commit corrects this chain of failures by ensuring that `Tree::from_variant` is not called on variants that are, as far as layout is concerned, nonexistent. Specifically, the implementation of `Tree::from_enum` is now partitioned into three cases: 1. enums that are uninhabited 2. enums for which all but one variant is uninhabited 3. enums with multiple inhabited variants `Tree::from_variant` is now only invoked in the third case. In the first case, `Tree::uninhabited()` is produced. In the second case, the layout is delegated to `Variants::Single`'s index. Fixes #125811 --- .../src/interpret/discriminant.rs | 5 +- compiler/rustc_transmute/src/layout/tree.rs | 75 +++++++++++++------ tests/crashes/125811.rs | 34 --------- .../enums/uninhabited_optimization.rs | 26 +++++++ 4 files changed, 81 insertions(+), 59 deletions(-) delete mode 100644 tests/crashes/125811.rs create mode 100644 tests/ui/transmutability/enums/uninhabited_optimization.rs diff --git a/compiler/rustc_const_eval/src/interpret/discriminant.rs b/compiler/rustc_const_eval/src/interpret/discriminant.rs index 0dbee8c1d948..a50b50d231d7 100644 --- a/compiler/rustc_const_eval/src/interpret/discriminant.rs +++ b/compiler/rustc_const_eval/src/interpret/discriminant.rs @@ -241,10 +241,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { variant_index: VariantIdx, ) -> InterpResult<'tcx, Option<(ScalarInt, usize)>> { match self.layout_of(ty)?.variants { - abi::Variants::Single { index } => { - assert_eq!(index, variant_index); - Ok(None) - } + abi::Variants::Single { .. } => Ok(None), abi::Variants::Multiple { tag_encoding: TagEncoding::Direct, diff --git a/compiler/rustc_transmute/src/layout/tree.rs b/compiler/rustc_transmute/src/layout/tree.rs index eae1a9dfaa2c..241381f5875e 100644 --- a/compiler/rustc_transmute/src/layout/tree.rs +++ b/compiler/rustc_transmute/src/layout/tree.rs @@ -331,30 +331,63 @@ pub(crate) mod rustc { assert!(def.is_enum()); let layout = ty_and_layout.layout; - if let Variants::Multiple { tag_field, .. } = layout.variants() { - // For enums (but not coroutines), the tag field is - // currently always the first field of the layout. - assert_eq!(*tag_field, 0); - } + // Computes the variant of a given index. + let layout_of_variant = |index| { + let tag = cx.tcx.tag_for_variant((ty_and_layout.ty, index)); + let variant_def = Def::Variant(def.variant(index)); + let variant_ty_and_layout = ty_and_layout.for_variant(&cx, index); + Self::from_variant(variant_def, tag, variant_ty_and_layout, layout.size, cx) + }; - let variants = def.discriminants(cx.tcx()).try_fold( - Self::uninhabited(), - |variants, (idx, ref discriminant)| { - let tag = cx.tcx.tag_for_variant((ty_and_layout.ty, idx)); - let variant_def = Def::Variant(def.variant(idx)); - let variant_ty_and_layout = ty_and_layout.for_variant(&cx, idx); - let variant = Self::from_variant( - variant_def, - tag, - variant_ty_and_layout, - layout.size, - cx, + // We consider three kinds of enums, each demanding a different + // treatment of their layout computation: + // 1. enums that are uninhabited + // 2. enums for which all but one variant is uninhabited + // 3. enums with multiple inhabited variants + match layout.variants() { + _ if layout.abi.is_uninhabited() => { + // Uninhabited enums are usually (always?) zero-sized. In + // the (unlikely?) event that an uninhabited enum is + // non-zero-sized, this assert will trigger an ICE, and this + // code should be modified such that a `layout.size` amount + // of uninhabited bytes is returned instead. + // + // Uninhabited enums are currently implemented such that + // their layout is described with `Variants::Single`, even + // though they don't necessarily have a 'single' variant to + // defer to. That said, we don't bother specifically + // matching on `Variants::Single` in this arm because the + // behavioral principles here remain true even if, for + // whatever reason, the compiler describes an uninhabited + // enum with `Variants::Multiple`. + assert_eq!(layout.size, Size::ZERO); + Ok(Self::uninhabited()) + } + Variants::Single { index } => { + // `Variants::Single` on non-uninhabited enums denotes that + // the enum delegates its layout to the variant at `index`. + layout_of_variant(*index) + } + Variants::Multiple { tag_field, .. } => { + // `Variants::Multiple` denotes an enum with multiple + // inhabited variants. The layout of such an enum is the + // disjunction of the layouts of its tagged variants. + + // For enums (but not coroutines), the tag field is + // currently always the first field of the layout. + assert_eq!(*tag_field, 0); + + let variants = def.discriminants(cx.tcx()).try_fold( + Self::uninhabited(), + |variants, (idx, ref discriminant)| { + let variant = layout_of_variant(idx)?; + Result::::Ok(variants.or(variant)) + }, )?; - Result::::Ok(variants.or(variant)) - }, - )?; - return Ok(Self::def(Def::Adt(def)).then(variants)); + return Ok(Self::def(Def::Adt(def)).then(variants)); + } + } } /// Constructs a `Tree` from a 'variant-like' layout. diff --git a/tests/crashes/125811.rs b/tests/crashes/125811.rs deleted file mode 100644 index eb764e8d1522..000000000000 --- a/tests/crashes/125811.rs +++ /dev/null @@ -1,34 +0,0 @@ -//@ known-bug: rust-lang/rust#125811 -mod assert { - use std::mem::{Assume, BikeshedIntrinsicFrom}; - - pub fn is_transmutable() - where - Dst: BikeshedIntrinsicFrom, - { - } -} - -#[repr(C)] -struct Zst; - -enum V0 { - B(!), -} - -enum V2 { - V = 2, -} - -enum Lopsided { - Smol(Zst), - Lorg(V0), -} - -#[repr(C)] -#[repr(C)] -struct Dst(Lopsided, V2); - -fn should_pad_variants() { - assert::is_transmutable::(); -} diff --git a/tests/ui/transmutability/enums/uninhabited_optimization.rs b/tests/ui/transmutability/enums/uninhabited_optimization.rs new file mode 100644 index 000000000000..04a8eb40c8b8 --- /dev/null +++ b/tests/ui/transmutability/enums/uninhabited_optimization.rs @@ -0,0 +1,26 @@ +//@ check-pass +//! Tests that we do not regress rust-lang/rust#125811 +#![feature(transmutability)] + +fn assert_transmutable() +where + (): std::mem::BikeshedIntrinsicFrom +{} + +enum Uninhabited {} + +enum SingleInhabited { + X, + Y(Uninhabited) +} + +enum SingleUninhabited { + X(Uninhabited), + Y(Uninhabited), +} + +fn main() { + assert_transmutable::(); + assert_transmutable::(); + assert_transmutable::(); +} From e09eedbe93bcf4bf44a11d7364e1ebcdc6e9b9d2 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Thu, 13 Jun 2024 00:32:38 +1000 Subject: [PATCH 1449/1716] compiletest: Stricter parsing of `//@ normalize-*` headers --- src/tools/compiletest/src/header.rs | 48 ++++++++++-------- src/tools/compiletest/src/header/tests.rs | 60 +++++++++++++---------- 2 files changed, 60 insertions(+), 48 deletions(-) diff --git a/src/tools/compiletest/src/header.rs b/src/tools/compiletest/src/header.rs index da0196dad2ff..cc972223f6df 100644 --- a/src/tools/compiletest/src/header.rs +++ b/src/tools/compiletest/src/header.rs @@ -14,6 +14,7 @@ use crate::common::{Config, Debugger, FailMode, Mode, PassMode}; use crate::header::cfg::parse_cfg_name_directive; use crate::header::cfg::MatchOutcome; use crate::header::needs::CachedNeedsConditions; +use crate::util::static_regex; use crate::{extract_cdb_version, extract_gdb_version}; mod cfg; @@ -1186,11 +1187,11 @@ impl Config { } } - fn parse_custom_normalization(&self, mut line: &str, prefix: &str) -> Option<(String, String)> { + fn parse_custom_normalization(&self, line: &str, prefix: &str) -> Option<(String, String)> { if parse_cfg_name_directive(self, line, prefix).outcome == MatchOutcome::Match { - let from = parse_normalization_string(&mut line)?; - let to = parse_normalization_string(&mut line)?; - Some((from, to)) + let (regex, replacement) = parse_normalize_rule(line) + .unwrap_or_else(|| panic!("couldn't parse custom normalization rule: `{line}`")); + Some((regex, replacement)) } else { None } @@ -1311,24 +1312,29 @@ fn expand_variables(mut value: String, config: &Config) -> String { value } -/// Finds the next quoted string `"..."` in `line`, and extract the content from it. Move the `line` -/// variable after the end of the quoted string. -/// -/// # Examples -/// +/// Parses the regex and replacement values of a `//@ normalize-*` header, +/// in the format: +/// ```text +/// normalize-*: "REGEX" -> "REPLACEMENT" /// ``` -/// let mut s = "normalize-stderr-32bit: \"something (32 bits)\" -> \"something ($WORD bits)\"."; -/// let first = parse_normalization_string(&mut s); -/// assert_eq!(first, Some("something (32 bits)".to_owned())); -/// assert_eq!(s, " -> \"something ($WORD bits)\"."); -/// ``` -fn parse_normalization_string(line: &mut &str) -> Option { - // FIXME support escapes in strings. - let begin = line.find('"')? + 1; - let end = line[begin..].find('"')? + begin; - let result = line[begin..end].to_owned(); - *line = &line[end + 1..]; - Some(result) +fn parse_normalize_rule(header: &str) -> Option<(String, String)> { + // FIXME(#126370): A colon after the header name should be mandatory, but + // currently is not, and there are many tests that lack the colon. + // FIXME: Support escaped double-quotes in strings. + let captures = static_regex!( + r#"(?x) # (verbose mode regex) + ^ + [^:\s]+:?\s* # (header name followed by optional colon) + "(?[^"]*)" # "REGEX" + \s+->\s+ # -> + "(?[^"]*)" # "REPLACEMENT" + $ + "# + ) + .captures(header)?; + let regex = captures["regex"].to_owned(); + let replacement = captures["replacement"].to_owned(); + Some((regex, replacement)) } pub fn extract_llvm_version(version: &str) -> Option { diff --git a/src/tools/compiletest/src/header/tests.rs b/src/tools/compiletest/src/header/tests.rs index 8a37a4d6d313..61a85b84ad64 100644 --- a/src/tools/compiletest/src/header/tests.rs +++ b/src/tools/compiletest/src/header/tests.rs @@ -3,7 +3,7 @@ use std::path::Path; use std::str::FromStr; use crate::common::{Config, Debugger, Mode}; -use crate::header::{parse_normalization_string, EarlyProps, HeadersCache}; +use crate::header::{parse_normalize_rule, EarlyProps, HeadersCache}; use super::iter_header; @@ -32,35 +32,41 @@ fn make_test_description( } #[test] -fn test_parse_normalization_string() { - let mut s = "normalize-stderr-32bit: \"something (32 bits)\" -> \"something ($WORD bits)\"."; - let first = parse_normalization_string(&mut s); - assert_eq!(first, Some("something (32 bits)".to_owned())); - assert_eq!(s, " -> \"something ($WORD bits)\"."); +fn test_parse_normalize_rule() { + let good_data = &[ + ( + r#"normalize-stderr-32bit: "something (32 bits)" -> "something ($WORD bits)""#, + "something (32 bits)", + "something ($WORD bits)", + ), + // FIXME(#126370): A colon after the header name should be mandatory, + // but currently is not, and there are many tests that lack the colon. + ( + r#"normalize-stderr-32bit "something (32 bits)" -> "something ($WORD bits)""#, + "something (32 bits)", + "something ($WORD bits)", + ), + ]; - // Nothing to normalize (No quotes) - let mut s = "normalize-stderr-32bit: something (32 bits) -> something ($WORD bits)."; - let first = parse_normalization_string(&mut s); - assert_eq!(first, None); - assert_eq!(s, r#"normalize-stderr-32bit: something (32 bits) -> something ($WORD bits)."#); + for &(input, expected_regex, expected_replacement) in good_data { + let parsed = parse_normalize_rule(input); + let parsed = + parsed.as_ref().map(|(regex, replacement)| (regex.as_str(), replacement.as_str())); + assert_eq!(parsed, Some((expected_regex, expected_replacement))); + } - // Nothing to normalize (Only a single quote) - let mut s = "normalize-stderr-32bit: \"something (32 bits) -> something ($WORD bits)."; - let first = parse_normalization_string(&mut s); - assert_eq!(first, None); - assert_eq!(s, "normalize-stderr-32bit: \"something (32 bits) -> something ($WORD bits)."); + let bad_data = &[ + r#"normalize-stderr-16bit: something (16 bits) -> something ($WORD bits)"#, + r#"normalize-stderr-32bit: something (32 bits) -> something ($WORD bits)"#, + r#"normalize-stderr-32bit: "something (32 bits) -> something ($WORD bits)"#, + r#"normalize-stderr-32bit: "something (32 bits)" -> "something ($WORD bits)"#, + r#"normalize-stderr-32bit: "something (32 bits)" -> "something ($WORD bits)"."#, + ]; - // Nothing to normalize (Three quotes) - let mut s = "normalize-stderr-32bit: \"something (32 bits)\" -> \"something ($WORD bits)."; - let first = parse_normalization_string(&mut s); - assert_eq!(first, Some("something (32 bits)".to_owned())); - assert_eq!(s, " -> \"something ($WORD bits)."); - - // Nothing to normalize (No quotes, 16-bit) - let mut s = "normalize-stderr-16bit: something (16 bits) -> something ($WORD bits)."; - let first = parse_normalization_string(&mut s); - assert_eq!(first, None); - assert_eq!(s, r#"normalize-stderr-16bit: something (16 bits) -> something ($WORD bits)."#); + for &input in bad_data { + let parsed = parse_normalize_rule(input); + assert_eq!(parsed, None); + } } #[derive(Default)] From c81ffab3ec66342d542ef7de39e1ec081027f43d Mon Sep 17 00:00:00 2001 From: David Carlier Date: Wed, 12 Jun 2024 20:49:20 +0000 Subject: [PATCH 1450/1716] std::unix::fs::link using direct linkat call for Solaris and macOs. Since we support solaris 11 and macOs Sierra as minimum, we can get rid of the runtime overhead. --- library/std/src/sys/pal/unix/fs.rs | 21 ++------------------- 1 file changed, 2 insertions(+), 19 deletions(-) diff --git a/library/std/src/sys/pal/unix/fs.rs b/library/std/src/sys/pal/unix/fs.rs index 56a0f8e39c4a..035c92bc84bf 100644 --- a/library/std/src/sys/pal/unix/fs.rs +++ b/library/std/src/sys/pal/unix/fs.rs @@ -22,16 +22,12 @@ use crate::sys_common::{AsInner, AsInnerMut, FromInner, IntoInner}; #[cfg(any(all(target_os = "linux", target_env = "gnu"), target_vendor = "apple"))] use crate::sys::weak::syscall; -#[cfg(any(target_os = "android", target_os = "macos", target_os = "solaris"))] +#[cfg(target_os = "android")] use crate::sys::weak::weak; use libc::{c_int, mode_t}; -#[cfg(any( - target_os = "solaris", - all(target_os = "linux", target_env = "gnu"), - target_vendor = "apple", -))] +#[cfg(any(all(target_os = "linux", target_env = "gnu"), target_vendor = "apple"))] use libc::c_char; #[cfg(any( all(target_os = "linux", not(target_env = "musl")), @@ -1753,19 +1749,6 @@ pub fn link(original: &Path, link: &Path) -> io::Result<()> { // Android has `linkat` on newer versions, but we happen to know `link` // always has the correct behavior, so it's here as well. cvt(unsafe { libc::link(original.as_ptr(), link.as_ptr()) })?; - } else if #[cfg(any(target_os = "macos", target_os = "solaris"))] { - // MacOS (<=10.9) and Solaris 10 lack support for linkat while newer - // versions have it. We want to use linkat if it is available, so we use weak! - // to check. `linkat` is preferable to `link` because it gives us a flag to - // specify how symlinks should be handled. We pass 0 as the flags argument, - // meaning it shouldn't follow symlinks. - weak!(fn linkat(c_int, *const c_char, c_int, *const c_char, c_int) -> c_int); - - if let Some(f) = linkat.get() { - cvt(unsafe { f(libc::AT_FDCWD, original.as_ptr(), libc::AT_FDCWD, link.as_ptr(), 0) })?; - } else { - cvt(unsafe { libc::link(original.as_ptr(), link.as_ptr()) })?; - }; } else { // Where we can, use `linkat` instead of `link`; see the comment above // this one for details on why. From 12432130a37e1637690df3dc70c31ecb866e3183 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Thu, 13 Jun 2024 11:42:52 +1000 Subject: [PATCH 1451/1716] Remove some unnecessary crate dependencies. --- Cargo.lock | 1 - compiler/rustc_data_structures/Cargo.toml | 6 +++++- compiler/rustc_infer/Cargo.toml | 1 - 3 files changed, 5 insertions(+), 3 deletions(-) diff --git a/Cargo.lock b/Cargo.lock index e5ea9fee8a6d..10ca6b0b4bd8 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -4205,7 +4205,6 @@ dependencies = [ "rustc_middle", "rustc_span", "rustc_target", - "rustc_type_ir", "smallvec", "tracing", ] diff --git a/compiler/rustc_data_structures/Cargo.toml b/compiler/rustc_data_structures/Cargo.toml index 6876046a5838..ff0a94f8e9b2 100644 --- a/compiler/rustc_data_structures/Cargo.toml +++ b/compiler/rustc_data_structures/Cargo.toml @@ -12,7 +12,6 @@ elsa = "=1.7.1" ena = "0.14.3" indexmap = { version = "2.0.0" } jobserver_crate = { version = "0.1.28", package = "jobserver" } -libc = "0.2" measureme = "11" rustc-hash = "1.1.0" rustc-rayon = { version = "0.5.0", optional = true } @@ -41,6 +40,11 @@ features = [ "Win32_System_Threading", ] +[target.'cfg(unix)'.dependencies] +# tidy-alphabetical-start +libc = "0.2" +# tidy-alphabetical-end + [target.'cfg(not(target_arch = "wasm32"))'.dependencies] # tidy-alphabetical-start memmap2 = "0.2.1" diff --git a/compiler/rustc_infer/Cargo.toml b/compiler/rustc_infer/Cargo.toml index 5136ab79a0f8..c1565a7d40fd 100644 --- a/compiler/rustc_infer/Cargo.toml +++ b/compiler/rustc_infer/Cargo.toml @@ -18,7 +18,6 @@ rustc_macros = { path = "../rustc_macros" } rustc_middle = { path = "../rustc_middle" } rustc_span = { path = "../rustc_span" } rustc_target = { path = "../rustc_target" } -rustc_type_ir = { path = "../rustc_type_ir" } smallvec = { version = "1.8.1", features = ["union", "may_dangle"] } tracing = "0.1" # tidy-alphabetical-end From 2c41b1c6841a2098afc28d2365a50039de5276f2 Mon Sep 17 00:00:00 2001 From: The Miri Cronjob Bot Date: Thu, 13 Jun 2024 05:04:31 +0000 Subject: [PATCH 1452/1716] Preparing for merge from rustc --- src/tools/miri/rust-version | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/miri/rust-version b/src/tools/miri/rust-version index 7f8fd86b5614..e49680ba75a5 100644 --- a/src/tools/miri/rust-version +++ b/src/tools/miri/rust-version @@ -1 +1 @@ -fa1681c9f6a66f0240c46c98bfef6209c9d6df23 +f6b4b71ef10307201b52c17b0f9dcf9557cd90ba From 2733b8ab8d4407086eb41d615395a9a323a8fd77 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Tue, 11 Jun 2024 09:57:16 +0000 Subject: [PATCH 1453/1716] Avoid follow-up errors on erroneous patterns --- compiler/rustc_hir_typeck/src/pat.rs | 13 +++++----- tests/crashes/109812.rs | 22 ----------------- tests/crashes/125914.rs | 20 ---------------- tests/ui/pattern/missing_lifetime.rs | 25 ++++++++++++++++++++ tests/ui/pattern/missing_lifetime.stderr | 25 ++++++++++++++++++++ tests/ui/pattern/type_mismatch.rs | 30 ++++++++++++++++++++++++ tests/ui/pattern/type_mismatch.stderr | 11 +++++++++ 7 files changed, 97 insertions(+), 49 deletions(-) delete mode 100644 tests/crashes/109812.rs delete mode 100644 tests/crashes/125914.rs create mode 100644 tests/ui/pattern/missing_lifetime.rs create mode 100644 tests/ui/pattern/missing_lifetime.stderr create mode 100644 tests/ui/pattern/type_mismatch.rs create mode 100644 tests/ui/pattern/type_mismatch.stderr diff --git a/compiler/rustc_hir_typeck/src/pat.rs b/compiler/rustc_hir_typeck/src/pat.rs index 9476dc704831..814bdc076376 100644 --- a/compiler/rustc_hir_typeck/src/pat.rs +++ b/compiler/rustc_hir_typeck/src/pat.rs @@ -1223,12 +1223,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // Type-check the tuple struct pattern against the expected type. let diag = self.demand_eqtype_pat_diag(pat.span, expected, pat_ty, pat_info.top_info); - let had_err = if let Some(err) = diag { - err.emit(); - true - } else { - false - }; + let had_err = diag.map(|diag| diag.emit()); // Type-check subpatterns. if subpats.len() == variant.fields.len() @@ -1249,6 +1244,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { None, ); } + if let Some(e) = had_err { + on_error(e); + return Ty::new_error(tcx, e); + } } else { let e = self.emit_err_pat_wrong_number_of_fields( pat.span, @@ -1257,7 +1256,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { subpats, &variant.fields.raw, expected, - had_err, + had_err.is_some(), ); on_error(e); return Ty::new_error(tcx, e); diff --git a/tests/crashes/109812.rs b/tests/crashes/109812.rs deleted file mode 100644 index c29b87465215..000000000000 --- a/tests/crashes/109812.rs +++ /dev/null @@ -1,22 +0,0 @@ -//@ known-bug: #109812 - -#![warn(rust_2021_incompatible_closure_captures)] - -enum Either { - One(X), - Two(X), -} - -struct X(Y); - -struct Y; - -fn move_into_fnmut() { - let x = X(Y); - - consume_fnmut(|| { - let Either::Two(ref mut _t) = x; - - let X(mut _t) = x; - }); -} diff --git a/tests/crashes/125914.rs b/tests/crashes/125914.rs deleted file mode 100644 index 77ccb9fb0978..000000000000 --- a/tests/crashes/125914.rs +++ /dev/null @@ -1,20 +0,0 @@ -//@ known-bug: rust-lang/rust#125914 -enum AstKind<'ast> { - ExprInt, -} - -enum Foo { - Bar(isize), - Baz, -} - -enum Other { - Other1(Foo), - Other2(AstKind), -} - -fn main() { - match Other::Other1(Foo::Baz) { - ::Other::Other2(::Foo::Bar(..)) => {} - } -} diff --git a/tests/ui/pattern/missing_lifetime.rs b/tests/ui/pattern/missing_lifetime.rs new file mode 100644 index 000000000000..081f667d8f6a --- /dev/null +++ b/tests/ui/pattern/missing_lifetime.rs @@ -0,0 +1,25 @@ +//! This test used to ICE: rust-lang/rust#125914 +//! Instead of actually analyzing the erroneous patterns, +//! we instead stop after typeck where errors are already +//! reported. + +enum AstKind<'ast> { + //~^ ERROR: `'ast` is never used + ExprInt, +} + +enum Foo { + Bar(isize), + Baz, +} + +enum Other { + Other1(Foo), + Other2(AstKind), //~ ERROR: missing lifetime specifier +} + +fn main() { + match Other::Other1(Foo::Baz) { + ::Other::Other2(::Foo::Bar(..)) => {} + } +} diff --git a/tests/ui/pattern/missing_lifetime.stderr b/tests/ui/pattern/missing_lifetime.stderr new file mode 100644 index 000000000000..ec4063fd289a --- /dev/null +++ b/tests/ui/pattern/missing_lifetime.stderr @@ -0,0 +1,25 @@ +error[E0106]: missing lifetime specifier + --> $DIR/missing_lifetime.rs:18:12 + | +LL | Other2(AstKind), + | ^^^^^^^ expected named lifetime parameter + | +help: consider introducing a named lifetime parameter + | +LL ~ enum Other<'a> { +LL | Other1(Foo), +LL ~ Other2(AstKind<'a>), + | + +error[E0392]: lifetime parameter `'ast` is never used + --> $DIR/missing_lifetime.rs:6:14 + | +LL | enum AstKind<'ast> { + | ^^^^ unused lifetime parameter + | + = help: consider removing `'ast`, referring to it in a field, or using a marker such as `PhantomData` + +error: aborting due to 2 previous errors + +Some errors have detailed explanations: E0106, E0392. +For more information about an error, try `rustc --explain E0106`. diff --git a/tests/ui/pattern/type_mismatch.rs b/tests/ui/pattern/type_mismatch.rs new file mode 100644 index 000000000000..408ff7588471 --- /dev/null +++ b/tests/ui/pattern/type_mismatch.rs @@ -0,0 +1,30 @@ +//! This test used to ICE: rust-lang/rust#109812 +//! Instead of actually analyzing the erroneous patterns, +//! we instead stop after typeck where errors are already +//! reported. + +#![warn(rust_2021_incompatible_closure_captures)] + +enum Either { + One(X), + Two(X), +} + +struct X(Y); + +struct Y; + +fn consume_fnmut(_: impl FnMut()) {} + +fn move_into_fnmut() { + let x = X(Y); + + consume_fnmut(|| { + let Either::Two(ref mut _t) = x; + //~^ ERROR: mismatched types + + let X(mut _t) = x; + }); +} + +fn main() {} diff --git a/tests/ui/pattern/type_mismatch.stderr b/tests/ui/pattern/type_mismatch.stderr new file mode 100644 index 000000000000..b0441b1fadcf --- /dev/null +++ b/tests/ui/pattern/type_mismatch.stderr @@ -0,0 +1,11 @@ +error[E0308]: mismatched types + --> $DIR/type_mismatch.rs:23:13 + | +LL | let Either::Two(ref mut _t) = x; + | ^^^^^^^^^^^^^^^^^^^^^^^ - this expression has type `X` + | | + | expected `X`, found `Either` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0308`. From a6217011f6aefde02af1a19a7716a411dd7803ff Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Wed, 12 Jun 2024 14:59:32 +0000 Subject: [PATCH 1454/1716] Replace some `Option` with `Result<(), Diag>` --- .../src/diagnostics/conflict_errors.rs | 10 +-- compiler/rustc_hir_typeck/src/demand.rs | 57 ++++++++-------- compiler/rustc_hir_typeck/src/expr.rs | 11 ++- .../rustc_hir_typeck/src/fn_ctxt/checks.rs | 4 +- compiler/rustc_hir_typeck/src/pat.rs | 68 +++++++++---------- .../pattern/box-pattern-type-mismatch.rs} | 3 +- .../pattern/box-pattern-type-mismatch.stderr | 19 ++++++ 7 files changed, 95 insertions(+), 77 deletions(-) rename tests/{crashes/124004.rs => ui/pattern/box-pattern-type-mismatch.rs} (74%) create mode 100644 tests/ui/pattern/box-pattern-type-mismatch.stderr diff --git a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs index 821a90366547..808d8b78d2d5 100644 --- a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs @@ -2888,7 +2888,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { .. } = explanation { - if let Some(diag) = self.try_report_cannot_return_reference_to_local( + if let Err(diag) = self.try_report_cannot_return_reference_to_local( borrow, borrow_span, span, @@ -3075,7 +3075,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { if let BorrowExplanation::MustBeValidFor { category, span, from_closure: false, .. } = explanation { - if let Some(diag) = self.try_report_cannot_return_reference_to_local( + if let Err(diag) = self.try_report_cannot_return_reference_to_local( borrow, proper_span, span, @@ -3237,11 +3237,11 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { return_span: Span, category: ConstraintCategory<'tcx>, opt_place_desc: Option<&String>, - ) -> Option> { + ) -> Result<(), Diag<'tcx>> { let return_kind = match category { ConstraintCategory::Return(_) => "return", ConstraintCategory::Yield => "yield", - _ => return None, + _ => return Ok(()), }; // FIXME use a better heuristic than Spans @@ -3317,7 +3317,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { } } - Some(err) + Err(err) } #[instrument(level = "debug", skip(self))] diff --git a/compiler/rustc_hir_typeck/src/demand.rs b/compiler/rustc_hir_typeck/src/demand.rs index d2a5924c8bbb..f9720c9c3079 100644 --- a/compiler/rustc_hir_typeck/src/demand.rs +++ b/compiler/rustc_hir_typeck/src/demand.rs @@ -4,7 +4,7 @@ use rustc_errors::{Applicability, Diag}; use rustc_hir as hir; use rustc_hir::def::Res; use rustc_hir::intravisit::Visitor; -use rustc_infer::infer::{DefineOpaqueTypes, InferOk}; +use rustc_infer::infer::DefineOpaqueTypes; use rustc_middle::bug; use rustc_middle::ty::adjustment::AllowTwoPhase; use rustc_middle::ty::error::{ExpectedFound, TypeError}; @@ -166,7 +166,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { /// Requires that the two types unify, and prints an error message if /// they don't. pub fn demand_suptype(&self, sp: Span, expected: Ty<'tcx>, actual: Ty<'tcx>) { - if let Some(e) = self.demand_suptype_diag(sp, expected, actual) { + if let Err(e) = self.demand_suptype_diag(sp, expected, actual) { e.emit(); } } @@ -176,7 +176,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { sp: Span, expected: Ty<'tcx>, actual: Ty<'tcx>, - ) -> Option> { + ) -> Result<(), Diag<'tcx>> { self.demand_suptype_with_origin(&self.misc(sp), expected, actual) } @@ -186,18 +186,15 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { cause: &ObligationCause<'tcx>, expected: Ty<'tcx>, actual: Ty<'tcx>, - ) -> Option> { - match self.at(cause, self.param_env).sup(DefineOpaqueTypes::Yes, expected, actual) { - Ok(InferOk { obligations, value: () }) => { - self.register_predicates(obligations); - None - } - Err(e) => Some(self.err_ctxt().report_mismatched_types(cause, expected, actual, e)), - } + ) -> Result<(), Diag<'tcx>> { + self.at(cause, self.param_env) + .sup(DefineOpaqueTypes::Yes, expected, actual) + .map(|infer_ok| self.register_infer_ok_obligations(infer_ok)) + .map_err(|e| self.err_ctxt().report_mismatched_types(cause, expected, actual, e)) } pub fn demand_eqtype(&self, sp: Span, expected: Ty<'tcx>, actual: Ty<'tcx>) { - if let Some(err) = self.demand_eqtype_diag(sp, expected, actual) { + if let Err(err) = self.demand_eqtype_diag(sp, expected, actual) { err.emit(); } } @@ -207,7 +204,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { sp: Span, expected: Ty<'tcx>, actual: Ty<'tcx>, - ) -> Option> { + ) -> Result<(), Diag<'tcx>> { self.demand_eqtype_with_origin(&self.misc(sp), expected, actual) } @@ -216,14 +213,11 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { cause: &ObligationCause<'tcx>, expected: Ty<'tcx>, actual: Ty<'tcx>, - ) -> Option> { - match self.at(cause, self.param_env).eq(DefineOpaqueTypes::Yes, expected, actual) { - Ok(InferOk { obligations, value: () }) => { - self.register_predicates(obligations); - None - } - Err(e) => Some(self.err_ctxt().report_mismatched_types(cause, expected, actual, e)), - } + ) -> Result<(), Diag<'tcx>> { + self.at(cause, self.param_env) + .eq(DefineOpaqueTypes::Yes, expected, actual) + .map(|infer_ok| self.register_infer_ok_obligations(infer_ok)) + .map_err(|e| self.err_ctxt().report_mismatched_types(cause, expected, actual, e)) } pub fn demand_coerce( @@ -234,12 +228,17 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { expected_ty_expr: Option<&'tcx hir::Expr<'tcx>>, allow_two_phase: AllowTwoPhase, ) -> Ty<'tcx> { - let (ty, err) = - self.demand_coerce_diag(expr, checked_ty, expected, expected_ty_expr, allow_two_phase); - if let Some(err) = err { - err.emit(); + match self.demand_coerce_diag(expr, checked_ty, expected, expected_ty_expr, allow_two_phase) + { + Ok(ty) => ty, + Err(err) => { + err.emit(); + // Return the original type instead of an error type here, otherwise the type of `x` in + // `let x: u32 = ();` will be a type error, causing all subsequent usages of `x` to not + // report errors, even though `x` is definitely `u32`. + expected + } } - ty } /// Checks that the type of `expr` can be coerced to `expected`. @@ -254,11 +253,11 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { expected: Ty<'tcx>, mut expected_ty_expr: Option<&'tcx hir::Expr<'tcx>>, allow_two_phase: AllowTwoPhase, - ) -> (Ty<'tcx>, Option>) { + ) -> Result, Diag<'tcx>> { let expected = self.resolve_vars_with_obligations(expected); let e = match self.coerce(expr, checked_ty, expected, allow_two_phase, None) { - Ok(ty) => return (ty, None), + Ok(ty) => return Ok(ty), Err(e) => e, }; @@ -275,7 +274,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { self.emit_coerce_suggestions(&mut err, expr, expr_ty, expected, expected_ty_expr, Some(e)); - (expected, Some(err)) + Err(err) } /// Notes the point at which a variable is constrained to some type incompatible diff --git a/compiler/rustc_hir_typeck/src/expr.rs b/compiler/rustc_hir_typeck/src/expr.rs index 5b27ebe3416a..1f185a350004 100644 --- a/compiler/rustc_hir_typeck/src/expr.rs +++ b/compiler/rustc_hir_typeck/src/expr.rs @@ -87,7 +87,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ty = adj_ty; } - if let Some(mut err) = self.demand_suptype_diag(expr.span, expected_ty, ty) { + if let Err(mut err) = self.demand_suptype_diag(expr.span, expected_ty, ty) { let _ = self.emit_type_mismatch_suggestions( &mut err, expr.peel_drop_temps(), @@ -1132,7 +1132,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // say that the user intended to write `lhs == rhs` instead of `lhs = rhs`. // The likely cause of this is `if foo = bar { .. }`. let actual_ty = self.tcx.types.unit; - let mut err = self.demand_suptype_diag(expr.span, expected_ty, actual_ty).unwrap(); + let mut err = self.demand_suptype_diag(expr.span, expected_ty, actual_ty).unwrap_err(); let lhs_ty = self.check_expr(lhs); let rhs_ty = self.check_expr(rhs); let refs_can_coerce = |lhs: Ty<'tcx>, rhs: Ty<'tcx>| { @@ -1236,7 +1236,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // This is (basically) inlined `check_expr_coercible_to_type`, but we want // to suggest an additional fixup here in `suggest_deref_binop`. let rhs_ty = self.check_expr_with_hint(rhs, lhs_ty); - if let (_, Some(mut diag)) = + if let Err(mut diag) = self.demand_coerce_diag(rhs, rhs_ty, lhs_ty, Some(lhs), AllowTwoPhase::No) { suggest_deref_binop(&mut diag, rhs_ty); @@ -1741,10 +1741,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // Make sure to give a type to the field even if there's // an error, so we can continue type-checking. let ty = self.check_expr_with_hint(field.expr, field_type); - let (_, diag) = - self.demand_coerce_diag(field.expr, ty, field_type, None, AllowTwoPhase::No); + let diag = self.demand_coerce_diag(field.expr, ty, field_type, None, AllowTwoPhase::No); - if let Some(diag) = diag { + if let Err(diag) = diag { if idx == hir_fields.len() - 1 { if remaining_fields.is_empty() { self.suggest_fru_from_range_and_emit(field, variant, args, diag); diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs index b8333d474937..0428ec56c99b 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs @@ -1578,7 +1578,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // type of the place it is referencing, and not some // supertype thereof. let init_ty = self.check_expr_with_needs(init, Needs::maybe_mut_place(m)); - if let Some(mut diag) = self.demand_eqtype_diag(init.span, local_ty, init_ty) { + if let Err(mut diag) = self.demand_eqtype_diag(init.span, local_ty, init_ty) { self.emit_type_mismatch_suggestions( &mut diag, init.peel_drop_temps(), @@ -1624,7 +1624,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let previous_diverges = self.diverges.get(); let else_ty = self.check_block_with_expected(blk, NoExpectation); let cause = self.cause(blk.span, ObligationCauseCode::LetElse); - if let Some(err) = self.demand_eqtype_with_origin(&cause, self.tcx.types.never, else_ty) + if let Err(err) = self.demand_eqtype_with_origin(&cause, self.tcx.types.never, else_ty) { err.emit(); } diff --git a/compiler/rustc_hir_typeck/src/pat.rs b/compiler/rustc_hir_typeck/src/pat.rs index 814bdc076376..9d4ba1eb4895 100644 --- a/compiler/rustc_hir_typeck/src/pat.rs +++ b/compiler/rustc_hir_typeck/src/pat.rs @@ -105,15 +105,16 @@ impl<'tcx> FnCtxt<'_, 'tcx> { expected: Ty<'tcx>, actual: Ty<'tcx>, ti: &TopInfo<'tcx>, - ) -> Option> { - let mut diag = - self.demand_eqtype_with_origin(&self.pattern_cause(ti, cause_span), expected, actual)?; - if let Some(expr) = ti.origin_expr { - self.suggest_fn_call(&mut diag, expr, expected, |output| { - self.can_eq(self.param_env, output, actual) - }); - } - Some(diag) + ) -> Result<(), Diag<'tcx>> { + self.demand_eqtype_with_origin(&self.pattern_cause(ti, cause_span), expected, actual) + .map_err(|mut diag| { + if let Some(expr) = ti.origin_expr { + self.suggest_fn_call(&mut diag, expr, expected, |output| { + self.can_eq(self.param_env, output, actual) + }); + } + diag + }) } fn demand_eqtype_pat( @@ -122,10 +123,8 @@ impl<'tcx> FnCtxt<'_, 'tcx> { expected: Ty<'tcx>, actual: Ty<'tcx>, ti: &TopInfo<'tcx>, - ) { - if let Some(err) = self.demand_eqtype_pat_diag(cause_span, expected, actual, ti) { - err.emit(); - } + ) -> Result<(), ErrorGuaranteed> { + self.demand_eqtype_pat_diag(cause_span, expected, actual, ti).map_err(|err| err.emit()) } } @@ -509,7 +508,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // // then that's equivalent to there existing a LUB. let cause = self.pattern_cause(ti, span); - if let Some(err) = self.demand_suptype_with_origin(&cause, expected, pat_ty) { + if let Err(err) = self.demand_suptype_with_origin(&cause, expected, pat_ty) { err.emit_unless( ti.span .filter(|&s| { @@ -562,7 +561,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // Subtyping doesn't matter here, as the value is some kind of scalar. let demand_eqtype = |x: &mut _, y| { if let Some((ref mut fail, x_ty, x_span)) = *x - && let Some(mut err) = self.demand_eqtype_pat_diag(x_span, expected, x_ty, ti) + && let Err(mut err) = self.demand_eqtype_pat_diag(x_span, expected, x_ty, ti) { if let Some((_, y_ty, y_span)) = y { self.endpoint_has_type(&mut err, y_span, y_ty); @@ -736,7 +735,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // Otherwise, the type of x is the expected type `T`. ByRef::No => expected, // As above, `T <: typeof(x)` is required, but we use equality, see (note_1). }; - self.demand_eqtype_pat(pat.span, eq_ty, local_ty, ti); + + // We have a concrete type for the local, so we do not need to taint it and hide follow up errors *using* the local. + let _ = self.demand_eqtype_pat(pat.span, eq_ty, local_ty, ti); // If there are multiple arms, make sure they all agree on // what the type of the binding `x` ought to be. @@ -763,7 +764,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ti: &TopInfo<'tcx>, ) { let var_ty = self.local_ty(span, var_id); - if let Some(mut err) = self.demand_eqtype_pat_diag(span, var_ty, ty, ti) { + if let Err(mut err) = self.demand_eqtype_pat_diag(span, var_ty, ty, ti) { let hir = self.tcx.hir(); let var_ty = self.resolve_vars_if_possible(var_ty); let msg = format!("first introduced with type `{var_ty}` here"); @@ -986,7 +987,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { }; // Type-check the path. - self.demand_eqtype_pat(pat.span, expected, pat_ty, pat_info.top_info); + let _ = self.demand_eqtype_pat(pat.span, expected, pat_ty, pat_info.top_info); // Type-check subpatterns. if self.check_struct_pat_fields(pat_ty, pat, variant, fields, has_rest_pat, pat_info) { @@ -1050,7 +1051,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // Type-check the path. let (pat_ty, pat_res) = self.instantiate_value_path(segments, opt_ty, res, pat.span, pat.span, pat.hir_id); - if let Some(err) = + if let Err(err) = self.demand_suptype_with_origin(&self.pattern_cause(ti, pat.span), expected, pat_ty) { self.emit_bad_pat_path(err, pat, res, pat_res, pat_ty, segments); @@ -1223,7 +1224,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // Type-check the tuple struct pattern against the expected type. let diag = self.demand_eqtype_pat_diag(pat.span, expected, pat_ty, pat_info.top_info); - let had_err = diag.map(|diag| diag.emit()); + let had_err = diag.map_err(|diag| diag.emit()); // Type-check subpatterns. if subpats.len() == variant.fields.len() @@ -1244,7 +1245,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { None, ); } - if let Some(e) = had_err { + if let Err(e) = had_err { on_error(e); return Ty::new_error(tcx, e); } @@ -1256,7 +1257,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { subpats, &variant.fields.raw, expected, - had_err.is_some(), + had_err.is_err(), ); on_error(e); return Ty::new_error(tcx, e); @@ -1444,8 +1445,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let element_tys_iter = (0..max_len).map(|_| self.next_ty_var(span)); let element_tys = tcx.mk_type_list_from_iter(element_tys_iter); let pat_ty = Ty::new_tup(tcx, element_tys); - if let Some(err) = self.demand_eqtype_pat_diag(span, expected, pat_ty, pat_info.top_info) { - let reported = err.emit(); + if let Err(reported) = self.demand_eqtype_pat(span, expected, pat_ty, pat_info.top_info) { // Walk subpatterns with an expected type of `err` in this case to silence // further errors being emitted when using the bindings. #50333 let element_tys_iter = (0..max_len).map(|_| Ty::new_error(tcx, reported)); @@ -2064,20 +2064,20 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { pat_info: PatInfo<'tcx, '_>, ) -> Ty<'tcx> { let tcx = self.tcx; - let (box_ty, inner_ty) = match self.check_dereferenceable(span, expected, inner) { - Ok(()) => { + let (box_ty, inner_ty) = self + .check_dereferenceable(span, expected, inner) + .and_then(|()| { // Here, `demand::subtype` is good enough, but I don't // think any errors can be introduced by using `demand::eqtype`. let inner_ty = self.next_ty_var(inner.span); let box_ty = Ty::new_box(tcx, inner_ty); - self.demand_eqtype_pat(span, expected, box_ty, pat_info.top_info); - (box_ty, inner_ty) - } - Err(guar) => { + self.demand_eqtype_pat(span, expected, box_ty, pat_info.top_info)?; + Ok((box_ty, inner_ty)) + }) + .unwrap_or_else(|guar| { let err = Ty::new_error(tcx, guar); (err, err) - } - }; + }); self.check_pat(inner, inner_ty, pat_info); box_ty } @@ -2221,7 +2221,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // Look for a case like `fn foo(&foo: u32)` and suggest // `fn foo(foo: &u32)` - if let Some(mut err) = err { + if let Err(mut err) = err { self.borrow_pat_suggestion(&mut err, pat); err.emit(); } @@ -2326,7 +2326,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { self.try_resolve_slice_ty_to_array_ty(before, slice, span) { debug!(?resolved_arr_ty); - self.demand_eqtype(span, expected, resolved_arr_ty); + let _ = self.demand_eqtype(span, expected, resolved_arr_ty); } } diff --git a/tests/crashes/124004.rs b/tests/ui/pattern/box-pattern-type-mismatch.rs similarity index 74% rename from tests/crashes/124004.rs rename to tests/ui/pattern/box-pattern-type-mismatch.rs index 1fcf07859457..6c9805032563 100644 --- a/tests/crashes/124004.rs +++ b/tests/ui/pattern/box-pattern-type-mismatch.rs @@ -1,10 +1,11 @@ -//@ known-bug: #124004 +//! This test used to ICE #124004 #![feature(box_patterns)] use std::ops::{ Deref }; struct X(dyn Iterator); +//~^ ERROR: use of undeclared lifetime name `'a` impl Deref for X { type Target = isize; diff --git a/tests/ui/pattern/box-pattern-type-mismatch.stderr b/tests/ui/pattern/box-pattern-type-mismatch.stderr new file mode 100644 index 000000000000..14f7dbbd839c --- /dev/null +++ b/tests/ui/pattern/box-pattern-type-mismatch.stderr @@ -0,0 +1,19 @@ +error[E0261]: use of undeclared lifetime name `'a` + --> $DIR/box-pattern-type-mismatch.rs:7:31 + | +LL | struct X(dyn Iterator); + | ^^ undeclared lifetime + | + = note: for more information on higher-ranked polymorphism, visit https://doc.rust-lang.org/nomicon/hrtb.html +help: consider making the bound lifetime-generic with a new `'a` lifetime + | +LL | struct X(dyn for<'a> Iterator); + | +++++++ +help: consider introducing lifetime `'a` here + | +LL | struct X<'a>(dyn Iterator); + | ++++ + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0261`. From ece3e3e4c146a94996b4c0f6141caf0a0a877084 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Wed, 12 Jun 2024 15:09:03 +0000 Subject: [PATCH 1455/1716] Replace some `Option` with `Result<(), Diag>` --- compiler/rustc_hir_typeck/src/pat.rs | 42 +++++++++++----------------- 1 file changed, 17 insertions(+), 25 deletions(-) diff --git a/compiler/rustc_hir_typeck/src/pat.rs b/compiler/rustc_hir_typeck/src/pat.rs index 9d4ba1eb4895..a6f05e9b4068 100644 --- a/compiler/rustc_hir_typeck/src/pat.rs +++ b/compiler/rustc_hir_typeck/src/pat.rs @@ -990,10 +990,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let _ = self.demand_eqtype_pat(pat.span, expected, pat_ty, pat_info.top_info); // Type-check subpatterns. - if self.check_struct_pat_fields(pat_ty, pat, variant, fields, has_rest_pat, pat_info) { - pat_ty - } else { - Ty::new_misc_error(self.tcx) + match self.check_struct_pat_fields(pat_ty, pat, variant, fields, has_rest_pat, pat_info) { + Ok(()) => pat_ty, + Err(guar) => Ty::new_error(self.tcx, guar), } } @@ -1469,7 +1468,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { fields: &'tcx [hir::PatField<'tcx>], has_rest_pat: bool, pat_info: PatInfo<'tcx, '_>, - ) -> bool { + ) -> Result<(), ErrorGuaranteed> { let tcx = self.tcx; let ty::Adt(adt, args) = adt_ty.kind() else { @@ -1485,7 +1484,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // Keep track of which fields have already appeared in the pattern. let mut used_fields = FxHashMap::default(); - let mut no_field_errors = true; + let mut result = Ok(()); let mut inexistent_fields = vec![]; // Typecheck each field. @@ -1494,8 +1493,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let ident = tcx.adjust_ident(field.ident, variant.def_id); let field_ty = match used_fields.entry(ident) { Occupied(occupied) => { - no_field_errors = false; let guar = self.error_field_already_bound(span, field.ident, *occupied.get()); + result = Err(guar); Ty::new_error(tcx, guar) } Vacant(vacant) => { @@ -1510,7 +1509,6 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { }) .unwrap_or_else(|| { inexistent_fields.push(field); - no_field_errors = false; Ty::new_misc_error(tcx) }) } @@ -1589,32 +1587,26 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // `Foo { a, b }` when it should have been `Foo(a, b)`. i.delay_as_bug(); u.delay_as_bug(); - e.emit(); + Err(e.emit()) } else { i.emit(); - u.emit(); + Err(u.emit()) } } (None, Some(u)) => { if let Some(e) = self.error_tuple_variant_as_struct_pat(pat, fields, variant) { u.delay_as_bug(); - e.emit(); + Err(e.emit()) } else { - u.emit(); + Err(u.emit()) } } - (Some(err), None) => { - err.emit(); + (Some(err), None) => Err(err.emit()), + (None, None) => { + self.error_tuple_variant_index_shorthand(variant, pat, fields)?; + result } - (None, None) - if let Some(err) = - self.error_tuple_variant_index_shorthand(variant, pat, fields) => - { - err.emit(); - } - (None, None) => {} } - no_field_errors } fn error_tuple_variant_index_shorthand( @@ -1622,7 +1614,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { variant: &VariantDef, pat: &'_ Pat<'_>, fields: &[hir::PatField<'_>], - ) -> Option> { + ) -> Result<(), ErrorGuaranteed> { // if this is a tuple struct, then all field names will be numbers // so if any fields in a struct pattern use shorthand syntax, they will // be invalid identifiers (for example, Foo { 0, 1 }). @@ -1644,10 +1636,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { format!("({})", self.get_suggested_tuple_struct_pattern(fields, variant)), Applicability::MaybeIncorrect, ); - return Some(err); + return Err(err.emit()); } } - None + Ok(()) } fn error_foreign_non_exhaustive_spat(&self, pat: &Pat<'_>, descr: &str, no_fields: bool) { From e8d6170b8a6e70901b63ec967e37595949ecb66c Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Wed, 12 Jun 2024 15:11:49 +0000 Subject: [PATCH 1456/1716] Replace some `Option` with `Result<(), Diag>` --- compiler/rustc_hir_typeck/src/pat.rs | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/compiler/rustc_hir_typeck/src/pat.rs b/compiler/rustc_hir_typeck/src/pat.rs index a6f05e9b4068..898d90b9f455 100644 --- a/compiler/rustc_hir_typeck/src/pat.rs +++ b/compiler/rustc_hir_typeck/src/pat.rs @@ -1582,21 +1582,21 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } match (inexistent_fields_err, unmentioned_err) { (Some(i), Some(u)) => { - if let Some(e) = self.error_tuple_variant_as_struct_pat(pat, fields, variant) { + if let Err(e) = self.error_tuple_variant_as_struct_pat(pat, fields, variant) { // We don't want to show the nonexistent fields error when this was // `Foo { a, b }` when it should have been `Foo(a, b)`. i.delay_as_bug(); u.delay_as_bug(); - Err(e.emit()) + Err(e) } else { i.emit(); Err(u.emit()) } } (None, Some(u)) => { - if let Some(e) = self.error_tuple_variant_as_struct_pat(pat, fields, variant) { + if let Err(e) = self.error_tuple_variant_as_struct_pat(pat, fields, variant) { u.delay_as_bug(); - Err(e.emit()) + Err(e) } else { Err(u.emit()) } @@ -1795,14 +1795,14 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { pat: &Pat<'_>, fields: &'tcx [hir::PatField<'tcx>], variant: &ty::VariantDef, - ) -> Option> { + ) -> Result<(), ErrorGuaranteed> { if let (Some(CtorKind::Fn), PatKind::Struct(qpath, pattern_fields, ..)) = (variant.ctor_kind(), &pat.kind) { let is_tuple_struct_match = !pattern_fields.is_empty() && pattern_fields.iter().map(|field| field.ident.name.as_str()).all(is_number); if is_tuple_struct_match { - return None; + return Ok(()); } let path = rustc_hir_pretty::qpath_to_string(&self.tcx, qpath); @@ -1830,9 +1830,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { format!("({sugg})"), appl, ); - return Some(err); + return Err(err.emit()); } - None + Ok(()) } fn get_suggested_tuple_struct_pattern( From 7566307edc3b1e08b5bf08a664243fc4889e55c3 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Wed, 12 Jun 2024 15:19:57 +0000 Subject: [PATCH 1457/1716] Replace a `bool` with a `Result<(), ErrorGuaranteed>` --- compiler/rustc_hir_typeck/src/pat.rs | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/compiler/rustc_hir_typeck/src/pat.rs b/compiler/rustc_hir_typeck/src/pat.rs index 898d90b9f455..220556fe2568 100644 --- a/compiler/rustc_hir_typeck/src/pat.rs +++ b/compiler/rustc_hir_typeck/src/pat.rs @@ -1256,7 +1256,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { subpats, &variant.fields.raw, expected, - had_err.is_err(), + had_err, ); on_error(e); return Ty::new_error(tcx, e); @@ -1272,7 +1272,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { subpats: &'tcx [Pat<'tcx>], fields: &'tcx [ty::FieldDef], expected: Ty<'tcx>, - had_err: bool, + had_err: Result<(), ErrorGuaranteed>, ) -> ErrorGuaranteed { let subpats_ending = pluralize!(subpats.len()); let fields_ending = pluralize!(fields.len()); @@ -1329,7 +1329,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // #67037: only do this if we could successfully type-check the expected type against // the tuple struct pattern. Otherwise the args could get out of range on e.g., // `let P() = U;` where `P != U` with `struct P(T);`. - (ty::Adt(_, args), [field], false) => { + (ty::Adt(_, args), [field], Ok(())) => { let field_ty = self.field_ty(pat_span, field, args); match field_ty.kind() { ty::Tuple(fields) => fields.len() == subpats.len(), From a49c65976cf3d8c705b328ef61d205a4501d3685 Mon Sep 17 00:00:00 2001 From: The Miri Cronjob Bot Date: Thu, 13 Jun 2024 05:13:16 +0000 Subject: [PATCH 1458/1716] fmt --- .../miri/tests/fail/validity/invalid_enum_cast.rs | 14 ++++++++++---- .../tests/fail/validity/invalid_enum_cast.stderr | 4 ++-- 2 files changed, 12 insertions(+), 6 deletions(-) diff --git a/src/tools/miri/tests/fail/validity/invalid_enum_cast.rs b/src/tools/miri/tests/fail/validity/invalid_enum_cast.rs index faf5fb699a6a..ed451a435b95 100644 --- a/src/tools/miri/tests/fail/validity/invalid_enum_cast.rs +++ b/src/tools/miri/tests/fail/validity/invalid_enum_cast.rs @@ -3,11 +3,17 @@ #[derive(Copy, Clone)] #[allow(unused)] -enum E {A, B, C } +enum E { + A, + B, + C, +} -fn cast(ptr: *const E) { unsafe { - let _val = *ptr as u32; //~ERROR: enum value has invalid tag -}} +fn cast(ptr: *const E) { + unsafe { + let _val = *ptr as u32; //~ERROR: enum value has invalid tag + } +} pub fn main() { let v = u32::MAX; diff --git a/src/tools/miri/tests/fail/validity/invalid_enum_cast.stderr b/src/tools/miri/tests/fail/validity/invalid_enum_cast.stderr index d89888760458..30afb5e8087b 100644 --- a/src/tools/miri/tests/fail/validity/invalid_enum_cast.stderr +++ b/src/tools/miri/tests/fail/validity/invalid_enum_cast.stderr @@ -1,8 +1,8 @@ error: Undefined Behavior: enum value has invalid tag: 0xff --> $DIR/invalid_enum_cast.rs:LL:CC | -LL | let _val = *ptr as u32; - | ^^^^^^^^^^^ enum value has invalid tag: 0xff +LL | let _val = *ptr as u32; + | ^^^^^^^^^^^ enum value has invalid tag: 0xff | = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information From d87ec03ed9798dd62d733e671128dae819cbfbd1 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Thu, 13 Jun 2024 08:59:08 +0200 Subject: [PATCH 1459/1716] interpret: update doc comment for find_closest_untracked_caller_location --- .../rustc_const_eval/src/interpret/eval_context.rs | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/compiler/rustc_const_eval/src/interpret/eval_context.rs b/compiler/rustc_const_eval/src/interpret/eval_context.rs index e28cc05cc2a8..c0d069ac09f7 100644 --- a/compiler/rustc_const_eval/src/interpret/eval_context.rs +++ b/compiler/rustc_const_eval/src/interpret/eval_context.rs @@ -250,7 +250,7 @@ impl<'tcx, Prov: Provenance> Frame<'tcx, Prov> { impl<'tcx, Prov: Provenance, Extra> Frame<'tcx, Prov, Extra> { /// Get the current location within the Frame. /// - /// If this is `Left`, we are not currently executing any particular statement in + /// If this is `Right`, we are not currently executing any particular statement in /// this frame (can happen e.g. during frame initialization, and during unwinding on /// frames without cleanup code). /// @@ -500,6 +500,8 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { } } + /// Returns the span of the currently executed statement/terminator. + /// This is the span typically used for error reporting. #[inline(always)] pub fn cur_span(&self) -> Span { // This deliberately does *not* honor `requires_caller_location` since it is used for much @@ -507,8 +509,9 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { self.stack().last().map_or(self.tcx.span, |f| f.current_span()) } + /// Find the first stack frame that is within the current crate, if any; + /// otherwise return the crate's HirId. #[inline(always)] - /// Find the first stack frame that is within the current crate, if any, otherwise return the crate's HirId pub fn best_lint_scope(&self) -> hir::HirId { self.stack() .iter() @@ -632,7 +635,8 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { } /// Walks up the callstack from the intrinsic's callsite, searching for the first callsite in a - /// frame which is not `#[track_caller]`. This is the fancy version of `cur_span`. + /// frame which is not `#[track_caller]`. This matches the `caller_location` intrinsic, + /// and is primarily intended for the panic machinery. pub(crate) fn find_closest_untracked_caller_location(&self) -> Span { for frame in self.stack().iter().rev() { debug!("find_closest_untracked_caller_location: checking frame {:?}", frame.instance); From 898b541cb6b6dcac2f2a45fb5f24de596851deb7 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Thu, 13 Jun 2024 10:09:51 +0200 Subject: [PATCH 1460/1716] add tracking issue for is_none_or --- library/core/src/option.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/library/core/src/option.rs b/library/core/src/option.rs index 403fe4ff04c5..4d6ba2fa3b38 100644 --- a/library/core/src/option.rs +++ b/library/core/src/option.rs @@ -672,7 +672,7 @@ impl Option { /// ``` #[must_use] #[inline] - #[unstable(feature = "is_none_or", issue = "none")] + #[unstable(feature = "is_none_or", issue = "126383")] pub fn is_none_or(self, f: impl FnOnce(T) -> bool) -> bool { match self { None => true, From 523408e6613dfb2eb5926350cd377f2198c3d9b4 Mon Sep 17 00:00:00 2001 From: Christiaan Biesterbosch Date: Thu, 13 Jun 2024 11:46:42 +0200 Subject: [PATCH 1461/1716] Fix wording in {checked_}next_power_of_two --- library/core/src/num/nonzero.rs | 2 +- library/core/src/num/uint_macros.rs | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/library/core/src/num/nonzero.rs b/library/core/src/num/nonzero.rs index 863f0d61df37..5956a08593ad 100644 --- a/library/core/src/num/nonzero.rs +++ b/library/core/src/num/nonzero.rs @@ -1059,7 +1059,7 @@ macro_rules! nonzero_integer_signedness_dependent_methods { unsafe { Self::new_unchecked(self.get().unchecked_add(other)) } } - /// Returns the smallest power of two greater than or equal to n. + /// Returns the smallest power of two greater than or equal to `self`. /// Checks for overflow and returns [`None`] /// if the next power of two is greater than the type’s maximum value. /// As a consequence, the result cannot wrap to zero. diff --git a/library/core/src/num/uint_macros.rs b/library/core/src/num/uint_macros.rs index 1491c27372bf..cdbd695008e8 100644 --- a/library/core/src/num/uint_macros.rs +++ b/library/core/src/num/uint_macros.rs @@ -2830,7 +2830,7 @@ macro_rules! uint_impl { /// /// When return value overflows (i.e., `self > (1 << (N-1))` for type /// `uN`), it panics in debug mode and the return value is wrapped to 0 in - /// release mode (the only situation in which method can return 0). + /// release mode (the only situation in which this method can return 0). /// /// # Examples /// @@ -2851,7 +2851,7 @@ macro_rules! uint_impl { self.one_less_than_next_power_of_two() + 1 } - /// Returns the smallest power of two greater than or equal to `n`. If + /// Returns the smallest power of two greater than or equal to `self`. If /// the next power of two is greater than the type's maximum value, /// `None` is returned, otherwise the power of two is wrapped in `Some`. /// From b28221e74f5f05d0f7a6212f99c9d5af868c0ed3 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Mon, 15 Apr 2024 11:10:50 +0000 Subject: [PATCH 1462/1716] Use diagnostic method for diagnostics --- compiler/rustc_hir_typeck/src/callee.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/compiler/rustc_hir_typeck/src/callee.rs b/compiler/rustc_hir_typeck/src/callee.rs index 9736c8b89204..93222c186865 100644 --- a/compiler/rustc_hir_typeck/src/callee.rs +++ b/compiler/rustc_hir_typeck/src/callee.rs @@ -628,7 +628,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { return; }; - let pick = self.confirm_method( + let pick = self.confirm_method_for_diagnostic( call_expr.span, callee_expr, call_expr, From 10c76433e8b06878fffe77eb8864aecaf587c3b6 Mon Sep 17 00:00:00 2001 From: Waffle Lapkin Date: Thu, 13 Jun 2024 12:13:54 +0200 Subject: [PATCH 1463/1716] Small style improvement in `gvn.rs` --- compiler/rustc_mir_transform/src/gvn.rs | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/compiler/rustc_mir_transform/src/gvn.rs b/compiler/rustc_mir_transform/src/gvn.rs index 121a3b99a39e..0f8f28e3462a 100644 --- a/compiler/rustc_mir_transform/src/gvn.rs +++ b/compiler/rustc_mir_transform/src/gvn.rs @@ -330,8 +330,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { let is_sized = !self.feature_unsized_locals || self.local_decls[local].ty.is_sized(self.tcx, self.param_env); if is_sized { - self.rev_locals.ensure_contains_elem(value, SmallVec::new); - self.rev_locals[value].push(local); + self.rev_locals.ensure_contains_elem(value, SmallVec::new).push(local); } } From 614966b0c3caf7558b7ea58c09c4cf17f2497b98 Mon Sep 17 00:00:00 2001 From: Philipp Krones Date: Thu, 13 Jun 2024 12:24:14 +0200 Subject: [PATCH 1464/1716] Bump Clippy version -> 0.1.81 --- Cargo.toml | 2 +- clippy_config/Cargo.toml | 2 +- clippy_lints/Cargo.toml | 2 +- clippy_utils/Cargo.toml | 2 +- declare_clippy_lint/Cargo.toml | 2 +- 5 files changed, 5 insertions(+), 5 deletions(-) diff --git a/Cargo.toml b/Cargo.toml index b48f3ab3919c..437884990551 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -1,6 +1,6 @@ [package] name = "clippy" -version = "0.1.80" +version = "0.1.81" description = "A bunch of helpful lints to avoid common pitfalls in Rust" repository = "https://github.com/rust-lang/rust-clippy" readme = "README.md" diff --git a/clippy_config/Cargo.toml b/clippy_config/Cargo.toml index 7f7dc9d6cfb0..be0b048ac0c7 100644 --- a/clippy_config/Cargo.toml +++ b/clippy_config/Cargo.toml @@ -1,6 +1,6 @@ [package] name = "clippy_config" -version = "0.1.80" +version = "0.1.81" edition = "2021" # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html diff --git a/clippy_lints/Cargo.toml b/clippy_lints/Cargo.toml index 5e3a119337cc..5708ffba08fd 100644 --- a/clippy_lints/Cargo.toml +++ b/clippy_lints/Cargo.toml @@ -1,6 +1,6 @@ [package] name = "clippy_lints" -version = "0.1.80" +version = "0.1.81" description = "A bunch of helpful lints to avoid common pitfalls in Rust" repository = "https://github.com/rust-lang/rust-clippy" readme = "README.md" diff --git a/clippy_utils/Cargo.toml b/clippy_utils/Cargo.toml index ab883c25338b..3a3aeb882164 100644 --- a/clippy_utils/Cargo.toml +++ b/clippy_utils/Cargo.toml @@ -1,6 +1,6 @@ [package] name = "clippy_utils" -version = "0.1.80" +version = "0.1.81" edition = "2021" publish = false diff --git a/declare_clippy_lint/Cargo.toml b/declare_clippy_lint/Cargo.toml index c8c734c3a7c9..86d945c14a58 100644 --- a/declare_clippy_lint/Cargo.toml +++ b/declare_clippy_lint/Cargo.toml @@ -1,6 +1,6 @@ [package] name = "declare_clippy_lint" -version = "0.1.80" +version = "0.1.81" edition = "2021" publish = false From 89658ef8203328cf766bb34a6fa38a23143e4137 Mon Sep 17 00:00:00 2001 From: Philipp Krones Date: Thu, 13 Jun 2024 12:24:17 +0200 Subject: [PATCH 1465/1716] Bump nightly version -> 2024-06-13 --- rust-toolchain | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/rust-toolchain b/rust-toolchain index dd8b9ece773e..842c2f3de0d1 100644 --- a/rust-toolchain +++ b/rust-toolchain @@ -1,3 +1,3 @@ [toolchain] -channel = "nightly-2024-05-30" +channel = "nightly-2024-06-13" components = ["cargo", "llvm-tools", "rust-src", "rust-std", "rustc", "rustc-dev", "rustfmt"] From 83f8f9f85d6f16fde4ab0d181caa9e9f49d257a3 Mon Sep 17 00:00:00 2001 From: Waffle Lapkin Date: Sun, 19 May 2024 20:51:38 +0200 Subject: [PATCH 1466/1716] Implement lint for obligations broken by never type fallback change --- compiler/rustc_hir_typeck/messages.ftl | 3 + compiler/rustc_hir_typeck/src/errors.rs | 5 ++ compiler/rustc_hir_typeck/src/fallback.rs | 50 +++++++++++++++- compiler/rustc_lint_defs/src/builtin.rs | 57 +++++++++++++++++++ .../defaulted-never-note.fallback.stderr | 2 +- .../defaulted-never-note.nofallback.stderr | 13 +++++ tests/ui/never_type/defaulted-never-note.rs | 2 + .../dependency-on-fallback-to-unit.rs | 28 +++++++++ .../dependency-on-fallback-to-unit.stderr | 23 ++++++++ ...ng-fallback-control-flow.nofallback.stderr | 23 ++++++++ .../diverging-fallback-control-flow.rs | 4 ++ ...diverging-fallback-no-leak.fallback.stderr | 2 +- ...verging-fallback-no-leak.nofallback.stderr | 13 +++++ .../never_type/diverging-fallback-no-leak.rs | 3 + ...ack-unconstrained-return.nofallback.stderr | 13 +++++ ...diverging-fallback-unconstrained-return.rs | 3 + .../fallback-closure-ret.nofallback.stderr | 13 +++++ tests/ui/never_type/fallback-closure-ret.rs | 8 ++- tests/ui/never_type/impl_trait_fallback.rs | 2 + .../ui/never_type/impl_trait_fallback.stderr | 13 +++++ 20 files changed, 274 insertions(+), 6 deletions(-) create mode 100644 tests/ui/never_type/defaulted-never-note.nofallback.stderr create mode 100644 tests/ui/never_type/dependency-on-fallback-to-unit.rs create mode 100644 tests/ui/never_type/dependency-on-fallback-to-unit.stderr create mode 100644 tests/ui/never_type/diverging-fallback-control-flow.nofallback.stderr create mode 100644 tests/ui/never_type/diverging-fallback-no-leak.nofallback.stderr create mode 100644 tests/ui/never_type/diverging-fallback-unconstrained-return.nofallback.stderr create mode 100644 tests/ui/never_type/fallback-closure-ret.nofallback.stderr create mode 100644 tests/ui/never_type/impl_trait_fallback.stderr diff --git a/compiler/rustc_hir_typeck/messages.ftl b/compiler/rustc_hir_typeck/messages.ftl index 6f499947d5cd..3ab319a037b4 100644 --- a/compiler/rustc_hir_typeck/messages.ftl +++ b/compiler/rustc_hir_typeck/messages.ftl @@ -44,6 +44,9 @@ hir_typeck_convert_using_method = try using `{$sugg}` to convert `{$found}` to ` hir_typeck_ctor_is_private = tuple struct constructor `{$def}` is private +hir_typeck_dependency_on_unit_never_type_fallback = this function depends on never type fallback being `()` + .help = specify the types explicitly + hir_typeck_deref_is_empty = this expression `Deref`s to `{$deref_ty}` which implements `is_empty` hir_typeck_expected_default_return_type = expected `()` because of default return type diff --git a/compiler/rustc_hir_typeck/src/errors.rs b/compiler/rustc_hir_typeck/src/errors.rs index 3f12f2526545..6dd34024fd1d 100644 --- a/compiler/rustc_hir_typeck/src/errors.rs +++ b/compiler/rustc_hir_typeck/src/errors.rs @@ -183,6 +183,11 @@ pub enum NeverTypeFallbackFlowingIntoUnsafe { Deref, } +#[derive(LintDiagnostic)] +#[help] +#[diag(hir_typeck_dependency_on_unit_never_type_fallback)] +pub struct DependencyOnUnitNeverTypeFallback {} + #[derive(Subdiagnostic)] #[multipart_suggestion( hir_typeck_add_missing_parentheses_in_range, diff --git a/compiler/rustc_hir_typeck/src/fallback.rs b/compiler/rustc_hir_typeck/src/fallback.rs index 5ba67c52ef29..06c5adae99e4 100644 --- a/compiler/rustc_hir_typeck/src/fallback.rs +++ b/compiler/rustc_hir_typeck/src/fallback.rs @@ -8,12 +8,17 @@ use rustc_data_structures::{ use rustc_hir as hir; use rustc_hir::intravisit::Visitor; use rustc_hir::HirId; -use rustc_infer::infer::{DefineOpaqueTypes, InferOk}; use rustc_middle::bug; +use rustc_infer::{ + infer::{DefineOpaqueTypes, InferOk}, + traits::ObligationCause, +}; use rustc_middle::ty::{self, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable}; use rustc_session::lint; use rustc_span::DUMMY_SP; use rustc_span::{def_id::LocalDefId, Span}; +use rustc_trait_selection::traits::ObligationCtxt; +use rustc_type_ir::TyVid; #[derive(Copy, Clone)] pub enum DivergingFallbackBehavior { @@ -344,6 +349,9 @@ impl<'tcx> FnCtxt<'_, 'tcx> { // `!`. let mut diverging_fallback = UnordMap::with_capacity(diverging_vids.len()); let unsafe_infer_vars = OnceCell::new(); + + self.lint_obligations_broken_by_never_type_fallback_change(behavior, &diverging_vids); + for &diverging_vid in &diverging_vids { let diverging_ty = Ty::new_var(self.tcx, diverging_vid); let root_vid = self.root_var(diverging_vid); @@ -468,6 +476,46 @@ impl<'tcx> FnCtxt<'_, 'tcx> { } } + fn lint_obligations_broken_by_never_type_fallback_change( + &self, + behavior: DivergingFallbackBehavior, + diverging_vids: &[TyVid], + ) { + let DivergingFallbackBehavior::FallbackToUnit = behavior else { return }; + + // Returns errors which happen if fallback is set to `fallback` + let try_out = |fallback| { + self.probe(|_| { + let obligations = self.fulfillment_cx.borrow().pending_obligations(); + let ocx = ObligationCtxt::new(&self.infcx); + ocx.register_obligations(obligations.iter().cloned()); + + for &diverging_vid in diverging_vids { + let diverging_ty = Ty::new_var(self.tcx, diverging_vid); + + _ = ocx.eq(&ObligationCause::dummy(), self.param_env, diverging_ty, fallback); + } + + ocx.select_where_possible() + }) + }; + + // If we have no errors with `fallback = ()`, but *do* have errors with `fallback = !`, + // then this code will be broken by the never type fallback change.qba + let unit_errors = try_out(self.tcx.types.unit); + if unit_errors.is_empty() + && let never_errors = try_out(self.tcx.types.never) + && !never_errors.is_empty() + { + self.tcx.emit_node_span_lint( + lint::builtin::DEPENDENCY_ON_UNIT_NEVER_TYPE_FALLBACK, + self.tcx.local_def_id_to_hir_id(self.body_id), + self.tcx.def_span(self.body_id), + errors::DependencyOnUnitNeverTypeFallback {}, + ) + } + } + /// Returns a graph whose nodes are (unresolved) inference variables and where /// an edge `?A -> ?B` indicates that the variable `?A` is coerced to `?B`. fn create_coercion_graph(&self) -> VecGraph { diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs index 45051394ffca..e6895fbfd09e 100644 --- a/compiler/rustc_lint_defs/src/builtin.rs +++ b/compiler/rustc_lint_defs/src/builtin.rs @@ -34,6 +34,7 @@ declare_lint_pass! { CONST_EVALUATABLE_UNCHECKED, CONST_ITEM_MUTATION, DEAD_CODE, + DEPENDENCY_ON_UNIT_NEVER_TYPE_FALLBACK, DEPRECATED, DEPRECATED_CFG_ATTR_CRATE_TYPE_NAME, DEPRECATED_IN_FUTURE, @@ -4199,6 +4200,62 @@ declare_lint! { report_in_external_macro } +declare_lint! { + /// The `dependency_on_unit_never_type_fallback` lint detects cases where code compiles with + /// [never type fallback] being [`()`], but will stop compiling with fallback being [`!`]. + /// + /// [never type fallback]: prim@never#never-type-fallback + /// [`()`]: prim@unit + /// [`!`]: + /// + /// ### Example + /// + /// ```rust,compile_fail + /// #![deny(dependency_on_unit_never_type_fallback)] + /// fn main() { + /// if true { + /// // return has type `!` which, is some cases, causes never type fallback + /// return + /// } else { + /// // the type produced by this call is not specified explicitly, + /// // so it will be inferred from the previous branch + /// Default::default() + /// }; + /// // depending on the fallback, this may compile (because `()` implements `Default`), + /// // or it may not (because `!` does not implement `Default`) + /// } + /// ``` + /// + /// {{produces}} + /// + /// ### Explanation + /// + /// Due to historic reasons never type fallback was `()`, meaning that `!` got spontaneously + /// coerced to `()`. There are plans to change that, but they may make the code such as above + /// not compile. Instead of depending on the fallback, you should specify the type explicitly: + /// ``` + /// if true { + /// return + /// } else { + /// // type is explicitly specified, fallback can't hurt us no more + /// <() as Default>::default() + /// }; + /// ``` + /// + /// See [Tracking Issue for making `!` fall back to `!`](https://github.com/rust-lang/rust/issues/123748). + /// + /// [`!`]: https://doc.rust-lang.org/core/primitive.never.html + /// [`()`]: https://doc.rust-lang.org/core/primitive.unit.html + pub DEPENDENCY_ON_UNIT_NEVER_TYPE_FALLBACK, + Warn, + "never type fallback affecting unsafe function calls", + @future_incompatible = FutureIncompatibleInfo { + reason: FutureIncompatibilityReason::FutureReleaseErrorDontReportInDeps, + reference: "issue #123748 ", + }; + report_in_external_macro +} + declare_lint! { /// The `byte_slice_in_packed_struct_with_derive` lint detects cases where a byte slice field /// (`[u8]`) or string slice field (`str`) is used in a `packed` struct that derives one or diff --git a/tests/ui/never_type/defaulted-never-note.fallback.stderr b/tests/ui/never_type/defaulted-never-note.fallback.stderr index 92fa9068cfd5..fe9a924f64a0 100644 --- a/tests/ui/never_type/defaulted-never-note.fallback.stderr +++ b/tests/ui/never_type/defaulted-never-note.fallback.stderr @@ -1,5 +1,5 @@ error[E0277]: the trait bound `!: ImplementedForUnitButNotNever` is not satisfied - --> $DIR/defaulted-never-note.rs:30:9 + --> $DIR/defaulted-never-note.rs:32:9 | LL | foo(_x); | --- ^^ the trait `ImplementedForUnitButNotNever` is not implemented for `!` diff --git a/tests/ui/never_type/defaulted-never-note.nofallback.stderr b/tests/ui/never_type/defaulted-never-note.nofallback.stderr new file mode 100644 index 000000000000..b69b8dda8f1e --- /dev/null +++ b/tests/ui/never_type/defaulted-never-note.nofallback.stderr @@ -0,0 +1,13 @@ +warning: this function depends on never type fallback being `()` + --> $DIR/defaulted-never-note.rs:28:1 + | +LL | fn smeg() { + | ^^^^^^^^^ + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #123748 + = help: specify the types explicitly + = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default + +warning: 1 warning emitted + diff --git a/tests/ui/never_type/defaulted-never-note.rs b/tests/ui/never_type/defaulted-never-note.rs index f4e5273b33a7..40861e73b393 100644 --- a/tests/ui/never_type/defaulted-never-note.rs +++ b/tests/ui/never_type/defaulted-never-note.rs @@ -26,6 +26,8 @@ fn foo(_t: T) {} //[fallback]~^ NOTE required by this bound in `foo` //[fallback]~| NOTE required by a bound in `foo` fn smeg() { + //[nofallback]~^ warn: this function depends on never type fallback being `()` + //[nofallback]~| warn: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! let _x = return; foo(_x); //[fallback]~^ ERROR the trait bound diff --git a/tests/ui/never_type/dependency-on-fallback-to-unit.rs b/tests/ui/never_type/dependency-on-fallback-to-unit.rs new file mode 100644 index 000000000000..5448d0be2c6d --- /dev/null +++ b/tests/ui/never_type/dependency-on-fallback-to-unit.rs @@ -0,0 +1,28 @@ +//@ check-pass + +fn main() { + def(); + _ = question_mark(); +} + +fn def() { + //~^ warn: this function depends on never type fallback being `()` + //~| warn: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + match true { + false => <_>::default(), + true => return, + }; +} + +// +// +fn question_mark() -> Result<(), ()> { + //~^ warn: this function depends on never type fallback being `()` + //~| warn: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + deserialize()?; + Ok(()) +} + +fn deserialize() -> Result { + Ok(T::default()) +} diff --git a/tests/ui/never_type/dependency-on-fallback-to-unit.stderr b/tests/ui/never_type/dependency-on-fallback-to-unit.stderr new file mode 100644 index 000000000000..36c82b6d1bf6 --- /dev/null +++ b/tests/ui/never_type/dependency-on-fallback-to-unit.stderr @@ -0,0 +1,23 @@ +warning: this function depends on never type fallback being `()` + --> $DIR/dependency-on-fallback-to-unit.rs:8:1 + | +LL | fn def() { + | ^^^^^^^^ + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #123748 + = help: specify the types explicitly + = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default + +warning: this function depends on never type fallback being `()` + --> $DIR/dependency-on-fallback-to-unit.rs:19:1 + | +LL | fn question_mark() -> Result<(), ()> { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #123748 + = help: specify the types explicitly + +warning: 2 warnings emitted + diff --git a/tests/ui/never_type/diverging-fallback-control-flow.nofallback.stderr b/tests/ui/never_type/diverging-fallback-control-flow.nofallback.stderr new file mode 100644 index 000000000000..5fbdc04ed3b8 --- /dev/null +++ b/tests/ui/never_type/diverging-fallback-control-flow.nofallback.stderr @@ -0,0 +1,23 @@ +warning: this function depends on never type fallback being `()` + --> $DIR/diverging-fallback-control-flow.rs:30:1 + | +LL | fn assignment() { + | ^^^^^^^^^^^^^^^ + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #123748 + = help: specify the types explicitly + = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default + +warning: this function depends on never type fallback being `()` + --> $DIR/diverging-fallback-control-flow.rs:42:1 + | +LL | fn assignment_rev() { + | ^^^^^^^^^^^^^^^^^^^ + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #123748 + = help: specify the types explicitly + +warning: 2 warnings emitted + diff --git a/tests/ui/never_type/diverging-fallback-control-flow.rs b/tests/ui/never_type/diverging-fallback-control-flow.rs index e209a9908850..575e2e9273cf 100644 --- a/tests/ui/never_type/diverging-fallback-control-flow.rs +++ b/tests/ui/never_type/diverging-fallback-control-flow.rs @@ -28,6 +28,8 @@ impl UnitDefault for () { } fn assignment() { + //[nofallback]~^ warn: this function depends on never type fallback being `()` + //[nofallback]~| warn: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! let x; if true { @@ -38,6 +40,8 @@ fn assignment() { } fn assignment_rev() { + //[nofallback]~^ warn: this function depends on never type fallback being `()` + //[nofallback]~| warn: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! let x; if true { diff --git a/tests/ui/never_type/diverging-fallback-no-leak.fallback.stderr b/tests/ui/never_type/diverging-fallback-no-leak.fallback.stderr index 01abf2e17f1e..c5463814475c 100644 --- a/tests/ui/never_type/diverging-fallback-no-leak.fallback.stderr +++ b/tests/ui/never_type/diverging-fallback-no-leak.fallback.stderr @@ -1,5 +1,5 @@ error[E0277]: the trait bound `!: Test` is not satisfied - --> $DIR/diverging-fallback-no-leak.rs:17:23 + --> $DIR/diverging-fallback-no-leak.rs:20:23 | LL | unconstrained_arg(return); | ----------------- ^^^^^^ the trait `Test` is not implemented for `!` diff --git a/tests/ui/never_type/diverging-fallback-no-leak.nofallback.stderr b/tests/ui/never_type/diverging-fallback-no-leak.nofallback.stderr new file mode 100644 index 000000000000..d11097323b3f --- /dev/null +++ b/tests/ui/never_type/diverging-fallback-no-leak.nofallback.stderr @@ -0,0 +1,13 @@ +warning: this function depends on never type fallback being `()` + --> $DIR/diverging-fallback-no-leak.rs:14:1 + | +LL | fn main() { + | ^^^^^^^^^ + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #123748 + = help: specify the types explicitly + = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default + +warning: 1 warning emitted + diff --git a/tests/ui/never_type/diverging-fallback-no-leak.rs b/tests/ui/never_type/diverging-fallback-no-leak.rs index 425437da2077..c6d59c7f2738 100644 --- a/tests/ui/never_type/diverging-fallback-no-leak.rs +++ b/tests/ui/never_type/diverging-fallback-no-leak.rs @@ -12,6 +12,9 @@ impl Test for () {} fn unconstrained_arg(_: T) {} fn main() { + //[nofallback]~^ warn: this function depends on never type fallback being `()` + //[nofallback]~| warn: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + // Here the type variable falls back to `!`, // and hence we get a type error. unconstrained_arg(return); diff --git a/tests/ui/never_type/diverging-fallback-unconstrained-return.nofallback.stderr b/tests/ui/never_type/diverging-fallback-unconstrained-return.nofallback.stderr new file mode 100644 index 000000000000..750bcfb7f89d --- /dev/null +++ b/tests/ui/never_type/diverging-fallback-unconstrained-return.nofallback.stderr @@ -0,0 +1,13 @@ +warning: this function depends on never type fallback being `()` + --> $DIR/diverging-fallback-unconstrained-return.rs:28:1 + | +LL | fn main() { + | ^^^^^^^^^ + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #123748 + = help: specify the types explicitly + = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default + +warning: 1 warning emitted + diff --git a/tests/ui/never_type/diverging-fallback-unconstrained-return.rs b/tests/ui/never_type/diverging-fallback-unconstrained-return.rs index aeb6ee6e26ef..927991db5138 100644 --- a/tests/ui/never_type/diverging-fallback-unconstrained-return.rs +++ b/tests/ui/never_type/diverging-fallback-unconstrained-return.rs @@ -26,6 +26,9 @@ fn unconstrained_return() -> T { } fn main() { + //[nofallback]~^ warn: this function depends on never type fallback being `()` + //[nofallback]~| warn: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + // In Ye Olde Days, the `T` parameter of `unconstrained_return` // winds up "entangled" with the `!` type that results from // `panic!`, and hence falls back to `()`. This is kind of unfortunate diff --git a/tests/ui/never_type/fallback-closure-ret.nofallback.stderr b/tests/ui/never_type/fallback-closure-ret.nofallback.stderr new file mode 100644 index 000000000000..9f0b9f6daeae --- /dev/null +++ b/tests/ui/never_type/fallback-closure-ret.nofallback.stderr @@ -0,0 +1,13 @@ +warning: this function depends on never type fallback being `()` + --> $DIR/fallback-closure-ret.rs:21:1 + | +LL | fn main() { + | ^^^^^^^^^ + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #123748 + = help: specify the types explicitly + = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default + +warning: 1 warning emitted + diff --git a/tests/ui/never_type/fallback-closure-ret.rs b/tests/ui/never_type/fallback-closure-ret.rs index dcf38e03a137..30f9ac54d0bb 100644 --- a/tests/ui/never_type/fallback-closure-ret.rs +++ b/tests/ui/never_type/fallback-closure-ret.rs @@ -12,12 +12,14 @@ #![cfg_attr(fallback, feature(never_type_fallback))] -trait Bar { } -impl Bar for () { } -impl Bar for u32 { } +trait Bar {} +impl Bar for () {} +impl Bar for u32 {} fn foo(_: impl Fn() -> R) {} fn main() { + //[nofallback]~^ warn: this function depends on never type fallback being `()` + //[nofallback]~| warn: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! foo(|| panic!()); } diff --git a/tests/ui/never_type/impl_trait_fallback.rs b/tests/ui/never_type/impl_trait_fallback.rs index ce06f8f7817f..fbe13dbe2ace 100644 --- a/tests/ui/never_type/impl_trait_fallback.rs +++ b/tests/ui/never_type/impl_trait_fallback.rs @@ -6,5 +6,7 @@ trait T {} impl T for () {} fn should_ret_unit() -> impl T { + //~^ warn: this function depends on never type fallback being `()` + //~| warn: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! panic!() } diff --git a/tests/ui/never_type/impl_trait_fallback.stderr b/tests/ui/never_type/impl_trait_fallback.stderr new file mode 100644 index 000000000000..876389403324 --- /dev/null +++ b/tests/ui/never_type/impl_trait_fallback.stderr @@ -0,0 +1,13 @@ +warning: this function depends on never type fallback being `()` + --> $DIR/impl_trait_fallback.rs:8:1 + | +LL | fn should_ret_unit() -> impl T { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #123748 + = help: specify the types explicitly + = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default + +warning: 1 warning emitted + From b88d03b05966ed49a8da5bd26c7fa0a9af35459d Mon Sep 17 00:00:00 2001 From: Waffle Lapkin Date: Mon, 20 May 2024 04:07:38 +0200 Subject: [PATCH 1467/1716] Add a fast exit to `lint_obligations_broken_by_never_type_fallback_change` --- compiler/rustc_hir_typeck/src/fallback.rs | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/compiler/rustc_hir_typeck/src/fallback.rs b/compiler/rustc_hir_typeck/src/fallback.rs index 06c5adae99e4..56c962fb6817 100644 --- a/compiler/rustc_hir_typeck/src/fallback.rs +++ b/compiler/rustc_hir_typeck/src/fallback.rs @@ -8,11 +8,11 @@ use rustc_data_structures::{ use rustc_hir as hir; use rustc_hir::intravisit::Visitor; use rustc_hir::HirId; -use rustc_middle::bug; use rustc_infer::{ infer::{DefineOpaqueTypes, InferOk}, traits::ObligationCause, }; +use rustc_middle::bug; use rustc_middle::ty::{self, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable}; use rustc_session::lint; use rustc_span::DUMMY_SP; @@ -483,6 +483,11 @@ impl<'tcx> FnCtxt<'_, 'tcx> { ) { let DivergingFallbackBehavior::FallbackToUnit = behavior else { return }; + // Fallback happens if and only if there are diverging variables + if diverging_vids.is_empty() { + return; + } + // Returns errors which happen if fallback is set to `fallback` let try_out = |fallback| { self.probe(|_| { From 0f41d26f419dc7cdaa01941604faf188123d3ea0 Mon Sep 17 00:00:00 2001 From: Waffle Lapkin Date: Mon, 20 May 2024 04:19:22 +0200 Subject: [PATCH 1468/1716] Apply review nits --- compiler/rustc_hir_typeck/src/fallback.rs | 19 ++++++++----------- 1 file changed, 8 insertions(+), 11 deletions(-) diff --git a/compiler/rustc_hir_typeck/src/fallback.rs b/compiler/rustc_hir_typeck/src/fallback.rs index 56c962fb6817..dbc329a12bfe 100644 --- a/compiler/rustc_hir_typeck/src/fallback.rs +++ b/compiler/rustc_hir_typeck/src/fallback.rs @@ -8,17 +8,13 @@ use rustc_data_structures::{ use rustc_hir as hir; use rustc_hir::intravisit::Visitor; use rustc_hir::HirId; -use rustc_infer::{ - infer::{DefineOpaqueTypes, InferOk}, - traits::ObligationCause, -}; +use rustc_infer::infer::{DefineOpaqueTypes, InferOk}; use rustc_middle::bug; use rustc_middle::ty::{self, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable}; use rustc_session::lint; use rustc_span::DUMMY_SP; use rustc_span::{def_id::LocalDefId, Span}; -use rustc_trait_selection::traits::ObligationCtxt; -use rustc_type_ir::TyVid; +use rustc_trait_selection::traits::{ObligationCause, ObligationCtxt}; #[derive(Copy, Clone)] pub enum DivergingFallbackBehavior { @@ -479,7 +475,7 @@ impl<'tcx> FnCtxt<'_, 'tcx> { fn lint_obligations_broken_by_never_type_fallback_change( &self, behavior: DivergingFallbackBehavior, - diverging_vids: &[TyVid], + diverging_vids: &[ty::TyVid], ) { let DivergingFallbackBehavior::FallbackToUnit = behavior else { return }; @@ -489,7 +485,7 @@ impl<'tcx> FnCtxt<'_, 'tcx> { } // Returns errors which happen if fallback is set to `fallback` - let try_out = |fallback| { + let remaining_errors_if_fallback_to = |fallback| { self.probe(|_| { let obligations = self.fulfillment_cx.borrow().pending_obligations(); let ocx = ObligationCtxt::new(&self.infcx); @@ -498,7 +494,8 @@ impl<'tcx> FnCtxt<'_, 'tcx> { for &diverging_vid in diverging_vids { let diverging_ty = Ty::new_var(self.tcx, diverging_vid); - _ = ocx.eq(&ObligationCause::dummy(), self.param_env, diverging_ty, fallback); + ocx.eq(&ObligationCause::dummy(), self.param_env, diverging_ty, fallback) + .expect("expected diverging var to be unconstrained"); } ocx.select_where_possible() @@ -507,9 +504,9 @@ impl<'tcx> FnCtxt<'_, 'tcx> { // If we have no errors with `fallback = ()`, but *do* have errors with `fallback = !`, // then this code will be broken by the never type fallback change.qba - let unit_errors = try_out(self.tcx.types.unit); + let unit_errors = remaining_errors_if_fallback_to(self.tcx.types.unit); if unit_errors.is_empty() - && let never_errors = try_out(self.tcx.types.never) + && let never_errors = remaining_errors_if_fallback_to(self.tcx.types.never) && !never_errors.is_empty() { self.tcx.emit_node_span_lint( From 268b55639344f783c722cc6e605a3d04cddaab2d Mon Sep 17 00:00:00 2001 From: Waffle Lapkin Date: Mon, 20 May 2024 04:24:23 +0200 Subject: [PATCH 1469/1716] Bless a test --- tests/ui/delegation/not-supported.rs | 4 ++ tests/ui/delegation/not-supported.stderr | 51 +++++++++++++++++------- 2 files changed, 40 insertions(+), 15 deletions(-) diff --git a/tests/ui/delegation/not-supported.rs b/tests/ui/delegation/not-supported.rs index 5f78de97638b..25d7a4cb8955 100644 --- a/tests/ui/delegation/not-supported.rs +++ b/tests/ui/delegation/not-supported.rs @@ -70,12 +70,16 @@ mod opaque { pub fn opaque_arg(_: impl Trait) -> i32 { 0 } pub fn opaque_ret() -> impl Trait { unimplemented!() } + //~^ warn: this function depends on never type fallback being `()` + //~| warn: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! } reuse to_reuse::opaque_arg; //~^ ERROR delegation with early bound generics is not supported yet trait ToReuse { fn opaque_ret() -> impl Trait { unimplemented!() } + //~^ warn: this function depends on never type fallback being `()` + //~| warn: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! } // FIXME: Inherited `impl Trait`s create query cycles when used inside trait impls. diff --git a/tests/ui/delegation/not-supported.stderr b/tests/ui/delegation/not-supported.stderr index e2cb04f977b1..339a8418b33a 100644 --- a/tests/ui/delegation/not-supported.stderr +++ b/tests/ui/delegation/not-supported.stderr @@ -107,7 +107,7 @@ LL | reuse Trait::foo2 { &self.0 } | ^^^^ error: delegation with early bound generics is not supported yet - --> $DIR/not-supported.rs:74:21 + --> $DIR/not-supported.rs:76:21 | LL | pub fn opaque_arg(_: impl Trait) -> i32 { 0 } | --------------------------------------- callee defined here @@ -115,46 +115,67 @@ LL | pub fn opaque_arg(_: impl Trait) -> i32 { 0 } LL | reuse to_reuse::opaque_arg; | ^^^^^^^^^^ -error[E0391]: cycle detected when computing type of `opaque::::{synthetic#0}` - --> $DIR/not-supported.rs:83:25 +warning: this function depends on never type fallback being `()` + --> $DIR/not-supported.rs:80:9 + | +LL | fn opaque_ret() -> impl Trait { unimplemented!() } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #123748 + = help: specify the types explicitly + = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default + +error[E0391]: cycle detected when computing type of `opaque::::{synthetic#0}` + --> $DIR/not-supported.rs:87:25 | LL | reuse to_reuse::opaque_ret; | ^^^^^^^^^^ | note: ...which requires comparing an impl and trait method signature, inferring any hidden `impl Trait` types in the process... - --> $DIR/not-supported.rs:83:25 + --> $DIR/not-supported.rs:87:25 | LL | reuse to_reuse::opaque_ret; | ^^^^^^^^^^ - = note: ...which again requires computing type of `opaque::::{synthetic#0}`, completing the cycle -note: cycle used when checking that `opaque::` is well-formed - --> $DIR/not-supported.rs:82:5 + = note: ...which again requires computing type of `opaque::::{synthetic#0}`, completing the cycle +note: cycle used when checking that `opaque::` is well-formed + --> $DIR/not-supported.rs:86:5 | LL | impl ToReuse for u8 { | ^^^^^^^^^^^^^^^^^^^ = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information -error[E0391]: cycle detected when computing type of `opaque::::{synthetic#0}` - --> $DIR/not-supported.rs:86:24 +warning: this function depends on never type fallback being `()` + --> $DIR/not-supported.rs:72:9 + | +LL | pub fn opaque_ret() -> impl Trait { unimplemented!() } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #123748 + = help: specify the types explicitly + +error[E0391]: cycle detected when computing type of `opaque::::{synthetic#0}` + --> $DIR/not-supported.rs:90:24 | LL | reuse ToReuse::opaque_ret; | ^^^^^^^^^^ | note: ...which requires comparing an impl and trait method signature, inferring any hidden `impl Trait` types in the process... - --> $DIR/not-supported.rs:86:24 + --> $DIR/not-supported.rs:90:24 | LL | reuse ToReuse::opaque_ret; | ^^^^^^^^^^ - = note: ...which again requires computing type of `opaque::::{synthetic#0}`, completing the cycle -note: cycle used when checking that `opaque::` is well-formed - --> $DIR/not-supported.rs:85:5 + = note: ...which again requires computing type of `opaque::::{synthetic#0}`, completing the cycle +note: cycle used when checking that `opaque::` is well-formed + --> $DIR/not-supported.rs:89:5 | LL | impl ToReuse for u16 { | ^^^^^^^^^^^^^^^^^^^^ = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information error: recursive delegation is not supported yet - --> $DIR/not-supported.rs:99:22 + --> $DIR/not-supported.rs:103:22 | LL | pub reuse to_reuse2::foo; | --- callee defined here @@ -162,7 +183,7 @@ LL | pub reuse to_reuse2::foo; LL | reuse to_reuse1::foo; | ^^^ -error: aborting due to 16 previous errors +error: aborting due to 16 previous errors; 2 warnings emitted Some errors have detailed explanations: E0049, E0195, E0391. For more information about an error, try `rustc --explain E0049`. From a22f8aa17abcd2f0dfb83aa8ee41509f922be6ab Mon Sep 17 00:00:00 2001 From: Waffle Lapkin Date: Thu, 23 May 2024 18:02:13 +0200 Subject: [PATCH 1470/1716] Fixup clippy tests Don't depend on the fact that `!` falls back to `()` and so panic-ish things can be used in `-> impl ImplementedForUnit` functions --- src/tools/clippy/tests/ui/new_ret_no_self.rs | 5 +---- src/tools/clippy/tests/ui/new_ret_no_self.stderr | 3 +-- 2 files changed, 2 insertions(+), 6 deletions(-) diff --git a/src/tools/clippy/tests/ui/new_ret_no_self.rs b/src/tools/clippy/tests/ui/new_ret_no_self.rs index b944f531ef66..175b14d815a2 100644 --- a/src/tools/clippy/tests/ui/new_ret_no_self.rs +++ b/src/tools/clippy/tests/ui/new_ret_no_self.rs @@ -390,9 +390,7 @@ mod issue7344 { impl RetImplTraitSelf2 { // should not trigger lint - fn new(t: T) -> impl Trait2<(), Self> { - unimplemented!() - } + fn new(t: T) -> impl Trait2<(), Self> {} } struct RetImplTraitNoSelf2(T); @@ -401,7 +399,6 @@ mod issue7344 { // should trigger lint fn new(t: T) -> impl Trait2<(), i32> { //~^ ERROR: methods called `new` usually return `Self` - unimplemented!() } } diff --git a/src/tools/clippy/tests/ui/new_ret_no_self.stderr b/src/tools/clippy/tests/ui/new_ret_no_self.stderr index d440a9f45fcd..3597ad65838f 100644 --- a/src/tools/clippy/tests/ui/new_ret_no_self.stderr +++ b/src/tools/clippy/tests/ui/new_ret_no_self.stderr @@ -96,11 +96,10 @@ LL | | } | |_________^ error: methods called `new` usually return `Self` - --> tests/ui/new_ret_no_self.rs:402:9 + --> tests/ui/new_ret_no_self.rs:400:9 | LL | / fn new(t: T) -> impl Trait2<(), i32> { LL | | -LL | | unimplemented!() LL | | } | |_________^ From 8400cd0b34bff8f013cd00064fc650fef652fc1d Mon Sep 17 00:00:00 2001 From: Waffle Lapkin Date: Thu, 23 May 2024 01:02:37 +0200 Subject: [PATCH 1471/1716] Fixup links in lint docs looks like prim@ stuff does not work here (is it possibly not handled by rustdoc at all?) --- compiler/rustc_lint_defs/src/builtin.rs | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs index e6895fbfd09e..a12c76037e77 100644 --- a/compiler/rustc_lint_defs/src/builtin.rs +++ b/compiler/rustc_lint_defs/src/builtin.rs @@ -4204,9 +4204,9 @@ declare_lint! { /// The `dependency_on_unit_never_type_fallback` lint detects cases where code compiles with /// [never type fallback] being [`()`], but will stop compiling with fallback being [`!`]. /// - /// [never type fallback]: prim@never#never-type-fallback - /// [`()`]: prim@unit - /// [`!`]: + /// [never type fallback]: https://doc.rust-lang.org/nightly/core/primitive.never.html#never-type-fallback + /// [`!`]: https://doc.rust-lang.org/core/primitive.never.html + /// [`()`]: https://doc.rust-lang.org/core/primitive.unit.html /// /// ### Example /// @@ -4243,9 +4243,6 @@ declare_lint! { /// ``` /// /// See [Tracking Issue for making `!` fall back to `!`](https://github.com/rust-lang/rust/issues/123748). - /// - /// [`!`]: https://doc.rust-lang.org/core/primitive.never.html - /// [`()`]: https://doc.rust-lang.org/core/primitive.unit.html pub DEPENDENCY_ON_UNIT_NEVER_TYPE_FALLBACK, Warn, "never type fallback affecting unsafe function calls", From 17d28564a8308ed71dee23f0694c0e5dc41d9ce9 Mon Sep 17 00:00:00 2001 From: Philipp Krones Date: Thu, 13 Jun 2024 12:31:02 +0200 Subject: [PATCH 1472/1716] Update Cargo.lock --- Cargo.lock | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/Cargo.lock b/Cargo.lock index e5ea9fee8a6d..10d42d290c14 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -628,7 +628,7 @@ checksum = "4b82cf0babdbd58558212896d1a4272303a57bdb245c2bf1147185fb45640e70" [[package]] name = "clippy" -version = "0.1.80" +version = "0.1.81" dependencies = [ "anstream", "clippy_config", @@ -655,7 +655,7 @@ dependencies = [ [[package]] name = "clippy_config" -version = "0.1.80" +version = "0.1.81" dependencies = [ "rustc-semver", "serde", @@ -678,7 +678,7 @@ dependencies = [ [[package]] name = "clippy_lints" -version = "0.1.80" +version = "0.1.81" dependencies = [ "arrayvec", "cargo_metadata 0.18.1", @@ -703,7 +703,7 @@ dependencies = [ [[package]] name = "clippy_utils" -version = "0.1.80" +version = "0.1.81" dependencies = [ "arrayvec", "clippy_config", @@ -1023,7 +1023,7 @@ dependencies = [ [[package]] name = "declare_clippy_lint" -version = "0.1.80" +version = "0.1.81" dependencies = [ "itertools 0.12.1", "quote", From c75f7283bf52c6e2ec6a178f2b7717a4daddacf4 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Mon, 15 Apr 2024 11:20:33 +0000 Subject: [PATCH 1473/1716] Add some tests --- .../call_method_ambiguous.next.stderr | 17 ++++++++ tests/ui/impl-trait/call_method_ambiguous.rs | 39 +++++++++++++++++ .../call_method_on_inherent_impl.next.stderr | 17 ++++++++ .../call_method_on_inherent_impl.rs | 25 +++++++++++ ...inherent_impl_on_rigid_type.current.stderr | 16 +++++++ ...on_inherent_impl_on_rigid_type.next.stderr | 17 ++++++++ ...l_method_on_inherent_impl_on_rigid_type.rs | 22 ++++++++++ ...method_on_inherent_impl_ref.current.stderr | 40 ++++++++++++++++++ ...ll_method_on_inherent_impl_ref.next.stderr | 31 ++++++++++++++ .../call_method_on_inherent_impl_ref.rs | 35 ++++++++++++++++ ...all_method_without_import.no_import.stderr | 37 ++++++++++++++++ .../impl-trait/call_method_without_import.rs | 42 +++++++++++++++++++ .../method-resolution.current.stderr | 36 ++++++++++++++++ tests/ui/impl-trait/method-resolution.rs | 29 +++++++++++++ .../impl-trait/method-resolution2.next.stderr | 20 +++++++++ tests/ui/impl-trait/method-resolution2.rs | 31 ++++++++++++++ .../method-resolution3.current.stderr | 37 ++++++++++++++++ .../impl-trait/method-resolution3.next.stderr | 20 +++++++++ tests/ui/impl-trait/method-resolution3.rs | 29 +++++++++++++ .../impl-trait/method-resolution4.next.stderr | 22 ++++++++++ tests/ui/impl-trait/method-resolution4.rs | 20 +++++++++ .../recursive-parent-trait-method-call.rs | 42 +++++++++++++++++++ .../method_resolution.current.stderr | 15 +++++++ .../method_resolution.next.stderr | 12 ++++++ .../method_resolution.rs | 30 +++++++++++++ .../method_resolution2.current.stderr | 36 ++++++++++++++++ .../method_resolution2.rs | 30 +++++++++++++ .../method_resolution3.current.stderr | 21 ++++++++++ .../method_resolution3.next.stderr | 15 +++++++ .../method_resolution3.rs | 36 ++++++++++++++++ .../method_resolution4.current.stderr | 21 ++++++++++ .../method_resolution4.next.stderr | 15 +++++++ .../method_resolution4.rs | 39 +++++++++++++++++ .../method_resolution5.current.stderr | 15 +++++++ .../method_resolution5.rs | 34 +++++++++++++++ ...on_trait_method_from_opaque.current.stderr | 15 +++++++ ...ution_trait_method_from_opaque.next.stderr | 9 ++++ ...hod_resolution_trait_method_from_opaque.rs | 31 ++++++++++++++ 38 files changed, 998 insertions(+) create mode 100644 tests/ui/impl-trait/call_method_ambiguous.next.stderr create mode 100644 tests/ui/impl-trait/call_method_ambiguous.rs create mode 100644 tests/ui/impl-trait/call_method_on_inherent_impl.next.stderr create mode 100644 tests/ui/impl-trait/call_method_on_inherent_impl.rs create mode 100644 tests/ui/impl-trait/call_method_on_inherent_impl_on_rigid_type.current.stderr create mode 100644 tests/ui/impl-trait/call_method_on_inherent_impl_on_rigid_type.next.stderr create mode 100644 tests/ui/impl-trait/call_method_on_inherent_impl_on_rigid_type.rs create mode 100644 tests/ui/impl-trait/call_method_on_inherent_impl_ref.current.stderr create mode 100644 tests/ui/impl-trait/call_method_on_inherent_impl_ref.next.stderr create mode 100644 tests/ui/impl-trait/call_method_on_inherent_impl_ref.rs create mode 100644 tests/ui/impl-trait/call_method_without_import.no_import.stderr create mode 100644 tests/ui/impl-trait/call_method_without_import.rs create mode 100644 tests/ui/impl-trait/method-resolution.current.stderr create mode 100644 tests/ui/impl-trait/method-resolution.rs create mode 100644 tests/ui/impl-trait/method-resolution2.next.stderr create mode 100644 tests/ui/impl-trait/method-resolution2.rs create mode 100644 tests/ui/impl-trait/method-resolution3.current.stderr create mode 100644 tests/ui/impl-trait/method-resolution3.next.stderr create mode 100644 tests/ui/impl-trait/method-resolution3.rs create mode 100644 tests/ui/impl-trait/method-resolution4.next.stderr create mode 100644 tests/ui/impl-trait/method-resolution4.rs create mode 100644 tests/ui/impl-trait/recursive-parent-trait-method-call.rs create mode 100644 tests/ui/type-alias-impl-trait/method_resolution.current.stderr create mode 100644 tests/ui/type-alias-impl-trait/method_resolution.next.stderr create mode 100644 tests/ui/type-alias-impl-trait/method_resolution.rs create mode 100644 tests/ui/type-alias-impl-trait/method_resolution2.current.stderr create mode 100644 tests/ui/type-alias-impl-trait/method_resolution2.rs create mode 100644 tests/ui/type-alias-impl-trait/method_resolution3.current.stderr create mode 100644 tests/ui/type-alias-impl-trait/method_resolution3.next.stderr create mode 100644 tests/ui/type-alias-impl-trait/method_resolution3.rs create mode 100644 tests/ui/type-alias-impl-trait/method_resolution4.current.stderr create mode 100644 tests/ui/type-alias-impl-trait/method_resolution4.next.stderr create mode 100644 tests/ui/type-alias-impl-trait/method_resolution4.rs create mode 100644 tests/ui/type-alias-impl-trait/method_resolution5.current.stderr create mode 100644 tests/ui/type-alias-impl-trait/method_resolution5.rs create mode 100644 tests/ui/type-alias-impl-trait/method_resolution_trait_method_from_opaque.current.stderr create mode 100644 tests/ui/type-alias-impl-trait/method_resolution_trait_method_from_opaque.next.stderr create mode 100644 tests/ui/type-alias-impl-trait/method_resolution_trait_method_from_opaque.rs diff --git a/tests/ui/impl-trait/call_method_ambiguous.next.stderr b/tests/ui/impl-trait/call_method_ambiguous.next.stderr new file mode 100644 index 000000000000..cd222aa7ae9f --- /dev/null +++ b/tests/ui/impl-trait/call_method_ambiguous.next.stderr @@ -0,0 +1,17 @@ +error[E0282]: type annotations needed + --> $DIR/call_method_ambiguous.rs:29:13 + | +LL | let mut iter = foo(n - 1, m); + | ^^^^^^^^ +LL | +LL | assert_eq!(iter.get(), 1); + | ---- type must be known at this point + | +help: consider giving `iter` an explicit type + | +LL | let mut iter: /* Type */ = foo(n - 1, m); + | ++++++++++++ + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0282`. diff --git a/tests/ui/impl-trait/call_method_ambiguous.rs b/tests/ui/impl-trait/call_method_ambiguous.rs new file mode 100644 index 000000000000..c26c01e002d8 --- /dev/null +++ b/tests/ui/impl-trait/call_method_ambiguous.rs @@ -0,0 +1,39 @@ +//@ revisions: current next +//@[next] compile-flags: -Znext-solver +//@[current] run-pass + +#![feature(precise_capturing)] +#![allow(incomplete_features)] + +trait Get { + fn get(&mut self) -> u32; +} + +impl Get for () { + fn get(&mut self) -> u32 { + 0 + } +} + +impl Get for &mut T +where + T: Get, +{ + fn get(&mut self) -> u32 { + T::get(self) + 1 + } +} + +fn foo(n: usize, m: &mut ()) -> impl use<'_> Get { + if n > 0 { + let mut iter = foo(n - 1, m); + //[next]~^ type annotations needed + assert_eq!(iter.get(), 1); + } + m +} + +fn main() { + let g = foo(1, &mut ()).get(); + assert_eq!(g, 1); +} diff --git a/tests/ui/impl-trait/call_method_on_inherent_impl.next.stderr b/tests/ui/impl-trait/call_method_on_inherent_impl.next.stderr new file mode 100644 index 000000000000..271051f120ab --- /dev/null +++ b/tests/ui/impl-trait/call_method_on_inherent_impl.next.stderr @@ -0,0 +1,17 @@ +error[E0282]: type annotations needed + --> $DIR/call_method_on_inherent_impl.rs:18:13 + | +LL | let x = my_foo(); + | ^ +LL | +LL | x.my_debug(); + | - type must be known at this point + | +help: consider giving `x` an explicit type + | +LL | let x: /* Type */ = my_foo(); + | ++++++++++++ + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0282`. diff --git a/tests/ui/impl-trait/call_method_on_inherent_impl.rs b/tests/ui/impl-trait/call_method_on_inherent_impl.rs new file mode 100644 index 000000000000..17f7cad660db --- /dev/null +++ b/tests/ui/impl-trait/call_method_on_inherent_impl.rs @@ -0,0 +1,25 @@ +//@ revisions: current next +//@[next] compile-flags: -Znext-solver +//@[current] check-pass + +trait MyDebug { + fn my_debug(&self); +} + +impl MyDebug for T +where + T: std::fmt::Debug, +{ + fn my_debug(&self) {} +} + +fn my_foo() -> impl std::fmt::Debug { + if false { + let x = my_foo(); + //[next]~^ type annotations needed + x.my_debug(); + } + () +} + +fn main() {} diff --git a/tests/ui/impl-trait/call_method_on_inherent_impl_on_rigid_type.current.stderr b/tests/ui/impl-trait/call_method_on_inherent_impl_on_rigid_type.current.stderr new file mode 100644 index 000000000000..6ecb2b05fc56 --- /dev/null +++ b/tests/ui/impl-trait/call_method_on_inherent_impl_on_rigid_type.current.stderr @@ -0,0 +1,16 @@ +error[E0599]: no method named `my_debug` found for reference `&impl Debug` in the current scope + --> $DIR/call_method_on_inherent_impl_on_rigid_type.rs:16:11 + | +LL | x.my_debug(); + | ^^^^^^^^ method not found in `&impl Debug` + | + = help: items from traits can only be used if the trait is implemented and in scope +note: `MyDebug` defines an item `my_debug`, perhaps you need to implement it + --> $DIR/call_method_on_inherent_impl_on_rigid_type.rs:4:1 + | +LL | trait MyDebug { + | ^^^^^^^^^^^^^ + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0599`. diff --git a/tests/ui/impl-trait/call_method_on_inherent_impl_on_rigid_type.next.stderr b/tests/ui/impl-trait/call_method_on_inherent_impl_on_rigid_type.next.stderr new file mode 100644 index 000000000000..5fb0b8f1d14b --- /dev/null +++ b/tests/ui/impl-trait/call_method_on_inherent_impl_on_rigid_type.next.stderr @@ -0,0 +1,17 @@ +error[E0282]: type annotations needed for `&_` + --> $DIR/call_method_on_inherent_impl_on_rigid_type.rs:14:13 + | +LL | let x = &my_foo(); + | ^ +LL | +LL | x.my_debug(); + | -------- type must be known at this point + | +help: consider giving `x` an explicit type, where the placeholders `_` are specified + | +LL | let x: &_ = &my_foo(); + | ++++ + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0282`. diff --git a/tests/ui/impl-trait/call_method_on_inherent_impl_on_rigid_type.rs b/tests/ui/impl-trait/call_method_on_inherent_impl_on_rigid_type.rs new file mode 100644 index 000000000000..7fb2ff3b2bcc --- /dev/null +++ b/tests/ui/impl-trait/call_method_on_inherent_impl_on_rigid_type.rs @@ -0,0 +1,22 @@ +//@ revisions: current next +//@[next] compile-flags: -Znext-solver + +trait MyDebug { + fn my_debug(&self); +} + +impl MyDebug for &() { + fn my_debug(&self) {} +} + +fn my_foo() -> impl std::fmt::Debug { + if false { + let x = &my_foo(); + //[next]~^ ERROR: type annotations needed + x.my_debug(); + //[current]~^ ERROR: no method named `my_debug` + } + () +} + +fn main() {} diff --git a/tests/ui/impl-trait/call_method_on_inherent_impl_ref.current.stderr b/tests/ui/impl-trait/call_method_on_inherent_impl_ref.current.stderr new file mode 100644 index 000000000000..fe6e166cb4fa --- /dev/null +++ b/tests/ui/impl-trait/call_method_on_inherent_impl_ref.current.stderr @@ -0,0 +1,40 @@ +error[E0599]: no method named `my_debug` found for opaque type `impl Debug` in the current scope + --> $DIR/call_method_on_inherent_impl_ref.rs:20:11 + | +LL | fn my_debug(&self); + | -------- the method is available for `&impl Debug` here +... +LL | x.my_debug(); + | ^^^^^^^^ method not found in `impl Debug` + | + = help: items from traits can only be used if the trait is implemented and in scope +note: `MyDebug` defines an item `my_debug`, perhaps you need to implement it + --> $DIR/call_method_on_inherent_impl_ref.rs:4:1 + | +LL | trait MyDebug { + | ^^^^^^^^^^^^^ + +error[E0391]: cycle detected when computing type of opaque `my_foo::{opaque#0}` + --> $DIR/call_method_on_inherent_impl_ref.rs:15:16 + | +LL | fn my_foo() -> impl std::fmt::Debug { + | ^^^^^^^^^^^^^^^^^^^^ + | +note: ...which requires type-checking `my_foo`... + --> $DIR/call_method_on_inherent_impl_ref.rs:20:9 + | +LL | x.my_debug(); + | ^ + = note: ...which requires evaluating trait selection obligation `my_foo::{opaque#0}: core::marker::Unpin`... + = note: ...which again requires computing type of opaque `my_foo::{opaque#0}`, completing the cycle +note: cycle used when computing type of `my_foo::{opaque#0}` + --> $DIR/call_method_on_inherent_impl_ref.rs:15:16 + | +LL | fn my_foo() -> impl std::fmt::Debug { + | ^^^^^^^^^^^^^^^^^^^^ + = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information + +error: aborting due to 2 previous errors + +Some errors have detailed explanations: E0391, E0599. +For more information about an error, try `rustc --explain E0391`. diff --git a/tests/ui/impl-trait/call_method_on_inherent_impl_ref.next.stderr b/tests/ui/impl-trait/call_method_on_inherent_impl_ref.next.stderr new file mode 100644 index 000000000000..327f6ca3450f --- /dev/null +++ b/tests/ui/impl-trait/call_method_on_inherent_impl_ref.next.stderr @@ -0,0 +1,31 @@ +error[E0282]: type annotations needed + --> $DIR/call_method_on_inherent_impl_ref.rs:18:13 + | +LL | let x = my_foo(); + | ^ +LL | +LL | x.my_debug(); + | - type must be known at this point + | +help: consider giving `x` an explicit type + | +LL | let x: /* Type */ = my_foo(); + | ++++++++++++ + +error[E0282]: type annotations needed for `&_` + --> $DIR/call_method_on_inherent_impl_ref.rs:28:13 + | +LL | let x = &my_bar(); + | ^ +LL | +LL | x.my_debug(); + | -------- type must be known at this point + | +help: consider giving `x` an explicit type, where the placeholders `_` are specified + | +LL | let x: &_ = &my_bar(); + | ++++ + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0282`. diff --git a/tests/ui/impl-trait/call_method_on_inherent_impl_ref.rs b/tests/ui/impl-trait/call_method_on_inherent_impl_ref.rs new file mode 100644 index 000000000000..40ad21532a4e --- /dev/null +++ b/tests/ui/impl-trait/call_method_on_inherent_impl_ref.rs @@ -0,0 +1,35 @@ +//@ revisions: current next +//@[next] compile-flags: -Znext-solver + +trait MyDebug { + fn my_debug(&self); +} + +impl MyDebug for &T +where + T: std::fmt::Debug, +{ + fn my_debug(&self) {} +} + +fn my_foo() -> impl std::fmt::Debug { + //[current]~^ cycle + if false { + let x = my_foo(); + //[next]~^ type annotations needed + x.my_debug(); + //[current]~^ no method named `my_debug` found + } + () +} + +fn my_bar() -> impl std::fmt::Debug { + if false { + let x = &my_bar(); + //[next]~^ type annotations needed + x.my_debug(); + } + () +} + +fn main() {} diff --git a/tests/ui/impl-trait/call_method_without_import.no_import.stderr b/tests/ui/impl-trait/call_method_without_import.no_import.stderr new file mode 100644 index 000000000000..72982b695bbb --- /dev/null +++ b/tests/ui/impl-trait/call_method_without_import.no_import.stderr @@ -0,0 +1,37 @@ +error[E0599]: no method named `fmt` found for opaque type `impl Debug` in the current scope + --> $DIR/call_method_without_import.rs:17:11 + | +LL | x.fmt(f); + | ^^^ method not found in `impl Debug` + --> $SRC_DIR/core/src/fmt/mod.rs:LL:COL + | + = note: the method is available for `impl Debug` here + | + = help: items from traits can only be used if the trait is in scope +help: trait `Debug` which provides `fmt` is implemented but not in scope; perhaps you want to import it + | +LL + use std::fmt::Debug; + | + +error[E0599]: no method named `fmt` found for mutable reference `&mut impl Debug` in the current scope + --> $DIR/call_method_without_import.rs:26:11 + | +LL | x.fmt(f); + | ^^^ method not found in `&mut impl Debug` + | + = help: items from traits can only be used if the trait is in scope +help: the following traits which provide `fmt` are implemented but not in scope; perhaps you want to import one of them + | +LL + use std::fmt::Binary; + | +LL + use std::fmt::Debug; + | +LL + use std::fmt::Display; + | +LL + use std::fmt::LowerExp; + | + and 5 other candidates + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0599`. diff --git a/tests/ui/impl-trait/call_method_without_import.rs b/tests/ui/impl-trait/call_method_without_import.rs new file mode 100644 index 000000000000..d62777ea2835 --- /dev/null +++ b/tests/ui/impl-trait/call_method_without_import.rs @@ -0,0 +1,42 @@ +//! Test that opaque types only pick up methods from traits in their bounds +//! if the trait is imported. +//! +//! FIXME: always look through the bounds of an opaque type to see if there are +//! methods that could be called on any of the bound traits, irrespective of +//! imported traits. + +//@ revisions: import no_import +//@[import] check-pass + +#[cfg(import)] +use std::fmt::Debug as _; + +fn foo(f: &mut std::fmt::Formatter<'_>) -> impl std::fmt::Debug { + if false { + let x = foo(f); + x.fmt(f); + //[no_import]~^ ERROR: no method named `fmt` found + } + () +} + +fn foo1(f: &mut std::fmt::Formatter<'_>) -> impl std::fmt::Debug { + if false { + let x = &mut foo(f); + x.fmt(f); + //[no_import]~^ ERROR: no method named `fmt` found + } + () +} + +// inconsistent with this +fn bar(t: impl std::fmt::Debug, f: &mut std::fmt::Formatter<'_>) { + t.fmt(f); +} + +// and the desugared version, of course +fn baz(t: T, f: &mut std::fmt::Formatter<'_>) { + t.fmt(f); +} + +fn main() {} diff --git a/tests/ui/impl-trait/method-resolution.current.stderr b/tests/ui/impl-trait/method-resolution.current.stderr new file mode 100644 index 000000000000..6d10693c8933 --- /dev/null +++ b/tests/ui/impl-trait/method-resolution.current.stderr @@ -0,0 +1,36 @@ +error[E0599]: no method named `bar` found for struct `Bar` in the current scope + --> $DIR/method-resolution.rs:23:11 + | +LL | struct Bar(T); + | ------------- method `bar` not found for this struct +... +LL | x.bar(); + | ^^^ method not found in `Bar` + | + = note: the method was found for + - `Bar` + +error[E0391]: cycle detected when computing type of opaque `foo::{opaque#0}` + --> $DIR/method-resolution.rs:19:24 + | +LL | fn foo(x: bool) -> Bar { + | ^^^^^^^^^^ + | +note: ...which requires type-checking `foo`... + --> $DIR/method-resolution.rs:23:9 + | +LL | x.bar(); + | ^ + = note: ...which requires evaluating trait selection obligation `Bar: core::marker::Unpin`... + = note: ...which again requires computing type of opaque `foo::{opaque#0}`, completing the cycle +note: cycle used when computing type of `foo::{opaque#0}` + --> $DIR/method-resolution.rs:19:24 + | +LL | fn foo(x: bool) -> Bar { + | ^^^^^^^^^^ + = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information + +error: aborting due to 2 previous errors + +Some errors have detailed explanations: E0391, E0599. +For more information about an error, try `rustc --explain E0391`. diff --git a/tests/ui/impl-trait/method-resolution.rs b/tests/ui/impl-trait/method-resolution.rs new file mode 100644 index 000000000000..07618aa64085 --- /dev/null +++ b/tests/ui/impl-trait/method-resolution.rs @@ -0,0 +1,29 @@ +//! Check that we do not constrain hidden types during method resolution. +//! Otherwise we'd pick up that calling `bar` can be satisfied iff `u32` +//! is the hidden type of the RPIT. + +//@ revisions: current next +//@[next] compile-flags: -Znext-solver +//@[next] check-pass + +trait Trait {} + +impl Trait for u32 {} + +struct Bar(T); + +impl Bar { + fn bar(self) {} +} + +fn foo(x: bool) -> Bar { + //[current]~^ ERROR: cycle detected + if x { + let x = foo(false); + x.bar(); + //[current]~^ ERROR: no method named `bar` found + } + todo!() +} + +fn main() {} diff --git a/tests/ui/impl-trait/method-resolution2.next.stderr b/tests/ui/impl-trait/method-resolution2.next.stderr new file mode 100644 index 000000000000..223430e1658b --- /dev/null +++ b/tests/ui/impl-trait/method-resolution2.next.stderr @@ -0,0 +1,20 @@ +error[E0034]: multiple applicable items in scope + --> $DIR/method-resolution2.rs:25:11 + | +LL | x.bar(); + | ^^^ multiple `bar` found + | +note: candidate #1 is defined in an impl for the type `Bar` + --> $DIR/method-resolution2.rs:19:5 + | +LL | fn bar(self) {} + | ^^^^^^^^^^^^ +note: candidate #2 is defined in an impl for the type `Bar` + --> $DIR/method-resolution2.rs:15:5 + | +LL | fn bar(self) {} + | ^^^^^^^^^^^^ + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0034`. diff --git a/tests/ui/impl-trait/method-resolution2.rs b/tests/ui/impl-trait/method-resolution2.rs new file mode 100644 index 000000000000..2930b42b8bca --- /dev/null +++ b/tests/ui/impl-trait/method-resolution2.rs @@ -0,0 +1,31 @@ +//! Check that the method call does not constrain the RPIT to `i32`, even though +//! `i32` is the only trait that satisfies the RPIT's trait bounds. + +//@ revisions: current next +//@[next] compile-flags: -Znext-solver +//@[current] check-pass + +trait Trait {} + +impl Trait for i32 {} + +struct Bar(T); + +impl Bar { + fn bar(self) {} +} + +impl Bar { + fn bar(self) {} +} + +fn foo(x: bool) -> Bar { + if x { + let x = foo(false); + x.bar(); + //[next]~^ ERROR: multiple applicable items in scope + } + Bar(42_i32) +} + +fn main() {} diff --git a/tests/ui/impl-trait/method-resolution3.current.stderr b/tests/ui/impl-trait/method-resolution3.current.stderr new file mode 100644 index 000000000000..7407b489e324 --- /dev/null +++ b/tests/ui/impl-trait/method-resolution3.current.stderr @@ -0,0 +1,37 @@ +error[E0599]: no method named `bar` found for struct `Bar` in the current scope + --> $DIR/method-resolution3.rs:22:11 + | +LL | struct Bar(T); + | ------------- method `bar` not found for this struct +... +LL | x.bar(); + | ^^^ method not found in `Bar` + | + = note: the method was found for + - `Bar` + - `Bar` + +error[E0391]: cycle detected when computing type of opaque `foo::{opaque#0}` + --> $DIR/method-resolution3.rs:18:24 + | +LL | fn foo(x: bool) -> Bar { + | ^^^^^^^^^^ + | +note: ...which requires type-checking `foo`... + --> $DIR/method-resolution3.rs:22:9 + | +LL | x.bar(); + | ^ + = note: ...which requires evaluating trait selection obligation `Bar: core::marker::Unpin`... + = note: ...which again requires computing type of opaque `foo::{opaque#0}`, completing the cycle +note: cycle used when computing type of `foo::{opaque#0}` + --> $DIR/method-resolution3.rs:18:24 + | +LL | fn foo(x: bool) -> Bar { + | ^^^^^^^^^^ + = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information + +error: aborting due to 2 previous errors + +Some errors have detailed explanations: E0391, E0599. +For more information about an error, try `rustc --explain E0391`. diff --git a/tests/ui/impl-trait/method-resolution3.next.stderr b/tests/ui/impl-trait/method-resolution3.next.stderr new file mode 100644 index 000000000000..53b77c620ba0 --- /dev/null +++ b/tests/ui/impl-trait/method-resolution3.next.stderr @@ -0,0 +1,20 @@ +error[E0034]: multiple applicable items in scope + --> $DIR/method-resolution3.rs:22:11 + | +LL | x.bar(); + | ^^^ multiple `bar` found + | +note: candidate #1 is defined in an impl for the type `Bar` + --> $DIR/method-resolution3.rs:15:5 + | +LL | fn bar(self) {} + | ^^^^^^^^^^^^ +note: candidate #2 is defined in an impl for the type `Bar` + --> $DIR/method-resolution3.rs:11:5 + | +LL | fn bar(self) {} + | ^^^^^^^^^^^^ + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0034`. diff --git a/tests/ui/impl-trait/method-resolution3.rs b/tests/ui/impl-trait/method-resolution3.rs new file mode 100644 index 000000000000..8474e2da7dbb --- /dev/null +++ b/tests/ui/impl-trait/method-resolution3.rs @@ -0,0 +1,29 @@ +//! Check that we consider `Bar` to successfully unify +//! with both `Bar` and `Bar` (in isolation), so we bail +//! out with ambiguity. + +//@ revisions: current next +//@[next] compile-flags: -Znext-solver + +struct Bar(T); + +impl Bar { + fn bar(self) {} +} + +impl Bar { + fn bar(self) {} +} + +fn foo(x: bool) -> Bar { + //[current]~^ ERROR: cycle + if x { + let x = foo(false); + x.bar(); + //[current]~^ ERROR: no method named `bar` + //[next]~^^ ERROR: multiple applicable items in scope + } + todo!() +} + +fn main() {} diff --git a/tests/ui/impl-trait/method-resolution4.next.stderr b/tests/ui/impl-trait/method-resolution4.next.stderr new file mode 100644 index 000000000000..b48de0af3579 --- /dev/null +++ b/tests/ui/impl-trait/method-resolution4.next.stderr @@ -0,0 +1,22 @@ +error[E0282]: type annotations needed + --> $DIR/method-resolution4.rs:13:9 + | +LL | foo(false).next().unwrap(); + | ^^^^^^^^^^ cannot infer type + +error[E0308]: mismatched types + --> $DIR/method-resolution4.rs:16:5 + | +LL | fn foo(b: bool) -> impl Iterator { + | ------------------------ the expected opaque type +... +LL | std::iter::empty() + | ^^^^^^^^^^^^^^^^^^ types differ + | + = note: expected opaque type `impl Iterator` + found struct `std::iter::Empty<_>` + +error: aborting due to 2 previous errors + +Some errors have detailed explanations: E0282, E0308. +For more information about an error, try `rustc --explain E0282`. diff --git a/tests/ui/impl-trait/method-resolution4.rs b/tests/ui/impl-trait/method-resolution4.rs new file mode 100644 index 000000000000..3578db7cb55f --- /dev/null +++ b/tests/ui/impl-trait/method-resolution4.rs @@ -0,0 +1,20 @@ +//! The recursive method call yields the opaque type. The +//! `next` method call then constrains the hidden type to `&mut _` +//! because `next` takes `&mut self`. We never resolve the inference +//! variable, but get a type mismatch when comparing `&mut _` with +//! `std::iter::Empty`. + +//@[current] check-pass +//@ revisions: current next +//@[next] compile-flags: -Znext-solver + +fn foo(b: bool) -> impl Iterator { + if b { + foo(false).next().unwrap(); + //[next]~^ type annotations needed + } + std::iter::empty() + //[next]~^ mismatched types +} + +fn main() {} diff --git a/tests/ui/impl-trait/recursive-parent-trait-method-call.rs b/tests/ui/impl-trait/recursive-parent-trait-method-call.rs new file mode 100644 index 000000000000..4da9a06a4659 --- /dev/null +++ b/tests/ui/impl-trait/recursive-parent-trait-method-call.rs @@ -0,0 +1,42 @@ +//! This test checks that we can resolve the `boxed` method call to `FutureExt`, +//! because we know that the anonymous future does not implement `StreamExt`. + +//@ edition: 2021 +//@ check-pass + +use std::future::Future; +use std::pin::Pin; + +trait FutureExt: Future + Sized + Send + 'static { + fn boxed(self) -> Pin + Send + 'static>> { + Box::pin(self) + } +} + +trait StreamExt: Future + Sized + Send + 'static { + fn boxed(self) -> Pin + Send + 'static>> { + Box::pin(self) + } +} + +impl FutureExt for T {} + +fn go(i: usize) -> impl Future + Send + 'static { + async move { + if i != 0 { + spawn(async move { + let fut = go(i - 1).boxed(); + fut.await; + }) + .await; + } + } +} + +pub fn spawn( + _: impl Future + Send + 'static, +) -> impl Future + Send + 'static { + async move { todo!() } +} + +fn main() {} diff --git a/tests/ui/type-alias-impl-trait/method_resolution.current.stderr b/tests/ui/type-alias-impl-trait/method_resolution.current.stderr new file mode 100644 index 000000000000..a9c05ad33424 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/method_resolution.current.stderr @@ -0,0 +1,15 @@ +error[E0599]: no method named `bar` found for struct `Bar` in the current scope + --> $DIR/method_resolution.rs:21:14 + | +LL | struct Bar(T); + | ------------- method `bar` not found for this struct +... +LL | self.bar() + | ^^^ method not found in `Bar` + | + = note: the method was found for + - `Bar` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0599`. diff --git a/tests/ui/type-alias-impl-trait/method_resolution.next.stderr b/tests/ui/type-alias-impl-trait/method_resolution.next.stderr new file mode 100644 index 000000000000..6b34358a56ea --- /dev/null +++ b/tests/ui/type-alias-impl-trait/method_resolution.next.stderr @@ -0,0 +1,12 @@ +error[E0599]: no method named `bar` found for struct `Bar` in the current scope + --> $DIR/method_resolution.rs:21:14 + | +LL | struct Bar(T); + | ------------- method `bar` not found for this struct +... +LL | self.bar() + | ^^^ method cannot be called on `Bar` due to unsatisfied trait bounds + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0599`. diff --git a/tests/ui/type-alias-impl-trait/method_resolution.rs b/tests/ui/type-alias-impl-trait/method_resolution.rs new file mode 100644 index 000000000000..f636aba15c0c --- /dev/null +++ b/tests/ui/type-alias-impl-trait/method_resolution.rs @@ -0,0 +1,30 @@ +//! `Bar::foo` is not defining `Foo`, so it cannot rely on the fact that +//! `u32` is the hidden type of `Foo` to call `bar` + +//@ revisions: current next +//@[next] compile-flags: -Znext-solver + +#![feature(type_alias_impl_trait)] + +type Foo = impl Sized; + +struct Bar(T); + +impl Bar { + fn bar(mut self) { + self.0 = 42_u32; + } +} + +impl Bar { + fn foo(self) { + self.bar() + //~^ ERROR: no method named `bar` + } +} + +fn foo() -> Foo { + 42_u32 +} + +fn main() {} diff --git a/tests/ui/type-alias-impl-trait/method_resolution2.current.stderr b/tests/ui/type-alias-impl-trait/method_resolution2.current.stderr new file mode 100644 index 000000000000..e68ea70a8ef4 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/method_resolution2.current.stderr @@ -0,0 +1,36 @@ +error[E0599]: no method named `foo` found for struct `Bar` in the current scope + --> $DIR/method_resolution2.rs:17:14 + | +LL | struct Bar(T); + | ------------- method `foo` not found for this struct +... +LL | self.foo() + | ^^^ method not found in `Bar` + | + = note: the method was found for + - `Bar` + +error[E0391]: cycle detected when computing type of opaque `Foo::{opaque#0}` + --> $DIR/method_resolution2.rs:10:12 + | +LL | type Foo = impl Sized; + | ^^^^^^^^^^ + | +note: ...which requires type-checking `::bar`... + --> $DIR/method_resolution2.rs:17:9 + | +LL | self.foo() + | ^^^^ + = note: ...which requires evaluating trait selection obligation `Bar: core::marker::Unpin`... + = note: ...which again requires computing type of opaque `Foo::{opaque#0}`, completing the cycle +note: cycle used when computing type of `Foo::{opaque#0}` + --> $DIR/method_resolution2.rs:10:12 + | +LL | type Foo = impl Sized; + | ^^^^^^^^^^ + = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information + +error: aborting due to 2 previous errors + +Some errors have detailed explanations: E0391, E0599. +For more information about an error, try `rustc --explain E0391`. diff --git a/tests/ui/type-alias-impl-trait/method_resolution2.rs b/tests/ui/type-alias-impl-trait/method_resolution2.rs new file mode 100644 index 000000000000..d252f8640d46 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/method_resolution2.rs @@ -0,0 +1,30 @@ +//! Check that we do not unify `Bar` with `Bar`, even though the +//! `foo` method call can be resolved unambiguously by doing so. + +//@ revisions: current next +//@[next] compile-flags: -Znext-solver +//@[next] check-pass + +#![feature(type_alias_impl_trait)] + +type Foo = impl Sized; +//[current]~^ ERROR: cycle + +struct Bar(T); + +impl Bar { + fn bar(self) { + self.foo() + //[current]~^ ERROR: no method named `foo` + } +} + +impl Bar { + fn foo(self) {} +} + +fn foo() -> Foo { + 42_u32 +} + +fn main() {} diff --git a/tests/ui/type-alias-impl-trait/method_resolution3.current.stderr b/tests/ui/type-alias-impl-trait/method_resolution3.current.stderr new file mode 100644 index 000000000000..e992d059daf7 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/method_resolution3.current.stderr @@ -0,0 +1,21 @@ +error[E0307]: invalid `self` parameter type: `Bar` + --> $DIR/method_resolution3.rs:16:18 + | +LL | fn bar(self: Bar) { + | ^^^^^^^^ + | + = note: type of `self` must be `Self` or a type that dereferences to it + = help: consider changing to `self`, `&self`, `&mut self`, `self: Box`, `self: Rc`, `self: Arc`, or `self: Pin

` (where P is one of the previous types except `Self`) + +error[E0307]: invalid `self` parameter type: `&Bar` + --> $DIR/method_resolution3.rs:21:18 + | +LL | fn baz(self: &Bar) { + | ^^^^^^^^^ + | + = note: type of `self` must be `Self` or a type that dereferences to it + = help: consider changing to `self`, `&self`, `&mut self`, `self: Box`, `self: Rc`, `self: Arc`, or `self: Pin

` (where P is one of the previous types except `Self`) + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0307`. diff --git a/tests/ui/type-alias-impl-trait/method_resolution3.next.stderr b/tests/ui/type-alias-impl-trait/method_resolution3.next.stderr new file mode 100644 index 000000000000..9272017cdf5d --- /dev/null +++ b/tests/ui/type-alias-impl-trait/method_resolution3.next.stderr @@ -0,0 +1,15 @@ +error[E0271]: type mismatch resolving `Foo == u32` + --> $DIR/method_resolution3.rs:16:18 + | +LL | fn bar(self: Bar) { + | ^^^^^^^^ types differ + +error[E0271]: type mismatch resolving `Foo == u32` + --> $DIR/method_resolution3.rs:21:18 + | +LL | fn baz(self: &Bar) { + | ^^^^^^^^^ types differ + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0271`. diff --git a/tests/ui/type-alias-impl-trait/method_resolution3.rs b/tests/ui/type-alias-impl-trait/method_resolution3.rs new file mode 100644 index 000000000000..447f3144b822 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/method_resolution3.rs @@ -0,0 +1,36 @@ +//! Check that one cannot use arbitrary self types where a generic parameter +//! mismatches with an opaque type. In theory this could unify with the opaque +//! type, registering the generic parameter as the hidden type of the opaque type. + +//@ revisions: current next +//@[next] compile-flags: -Znext-solver + +#![feature(type_alias_impl_trait, arbitrary_self_types)] + +type Foo = impl Copy; + +#[derive(Copy, Clone)] +struct Bar(T); + +impl Bar { + fn bar(self: Bar) { + //[current]~^ ERROR: invalid `self` parameter + //[next]~^^ ERROR: type mismatch resolving `Foo == u32` + self.foo() + } + fn baz(self: &Bar) { + //[current]~^ ERROR: invalid `self` parameter + //[next]~^^ ERROR: type mismatch resolving `Foo == u32` + self.foo() + } +} + +impl Bar { + fn foo(self) {} +} + +fn foo() -> Foo { + 42_u32 +} + +fn main() {} diff --git a/tests/ui/type-alias-impl-trait/method_resolution4.current.stderr b/tests/ui/type-alias-impl-trait/method_resolution4.current.stderr new file mode 100644 index 000000000000..3a2ca18f8909 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/method_resolution4.current.stderr @@ -0,0 +1,21 @@ +error[E0307]: invalid `self` parameter type: `Bar` + --> $DIR/method_resolution4.rs:27:18 + | +LL | fn foo(self: Bar) { + | ^^^^^^^^ + | + = note: type of `self` must be `Self` or a type that dereferences to it + = help: consider changing to `self`, `&self`, `&mut self`, `self: Box`, `self: Rc`, `self: Arc`, or `self: Pin

` (where P is one of the previous types except `Self`) + +error[E0307]: invalid `self` parameter type: `&Bar` + --> $DIR/method_resolution4.rs:32:20 + | +LL | fn foomp(self: &Bar) { + | ^^^^^^^^^ + | + = note: type of `self` must be `Self` or a type that dereferences to it + = help: consider changing to `self`, `&self`, `&mut self`, `self: Box`, `self: Rc`, `self: Arc`, or `self: Pin

` (where P is one of the previous types except `Self`) + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0307`. diff --git a/tests/ui/type-alias-impl-trait/method_resolution4.next.stderr b/tests/ui/type-alias-impl-trait/method_resolution4.next.stderr new file mode 100644 index 000000000000..33ed2800ebe0 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/method_resolution4.next.stderr @@ -0,0 +1,15 @@ +error[E0271]: type mismatch resolving `u32 == Foo` + --> $DIR/method_resolution4.rs:27:18 + | +LL | fn foo(self: Bar) { + | ^^^^^^^^ types differ + +error[E0271]: type mismatch resolving `u32 == Foo` + --> $DIR/method_resolution4.rs:32:20 + | +LL | fn foomp(self: &Bar) { + | ^^^^^^^^^ types differ + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0271`. diff --git a/tests/ui/type-alias-impl-trait/method_resolution4.rs b/tests/ui/type-alias-impl-trait/method_resolution4.rs new file mode 100644 index 000000000000..42ed04b3c30f --- /dev/null +++ b/tests/ui/type-alias-impl-trait/method_resolution4.rs @@ -0,0 +1,39 @@ +//! Check that one cannot use arbitrary self types where a generic parameter +//! mismatches with an opaque type. In theory this could unify with the opaque +//! type, registering the generic parameter as the hidden type of the opaque type. + +//@ revisions: current next +//@[next] compile-flags: -Znext-solver + +#![feature(type_alias_impl_trait, arbitrary_self_types)] + +mod foo { + pub type Foo = impl Copy; + + fn foo() -> Foo { + 42_u32 + } +} +use foo::Foo; + +#[derive(Copy, Clone)] +struct Bar(T); + +impl Bar { + fn bar(self) {} +} + +impl Bar { + fn foo(self: Bar) { + //[current]~^ ERROR: invalid `self` parameter + //[next]~^^ ERROR: type mismatch resolving `u32 == Foo` + self.bar() + } + fn foomp(self: &Bar) { + //[current]~^ ERROR: invalid `self` parameter + //[next]~^^ ERROR: type mismatch resolving `u32 == Foo` + self.bar() + } +} + +fn main() {} diff --git a/tests/ui/type-alias-impl-trait/method_resolution5.current.stderr b/tests/ui/type-alias-impl-trait/method_resolution5.current.stderr new file mode 100644 index 000000000000..193e6e147095 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/method_resolution5.current.stderr @@ -0,0 +1,15 @@ +error[E0599]: no method named `bar` found for struct `Bar` in the current scope + --> $DIR/method_resolution5.rs:25:14 + | +LL | struct Bar(T); + | ------------- method `bar` not found for this struct +... +LL | self.bar() + | ^^^ method not found in `Bar` + | + = note: the method was found for + - `Bar` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0599`. diff --git a/tests/ui/type-alias-impl-trait/method_resolution5.rs b/tests/ui/type-alias-impl-trait/method_resolution5.rs new file mode 100644 index 000000000000..69335c9deded --- /dev/null +++ b/tests/ui/type-alias-impl-trait/method_resolution5.rs @@ -0,0 +1,34 @@ +//! Even though `Bar::foo` is defining `Foo`, the old solver does +//! not figure out that `u32` is the hidden type of `Foo` to call `bar`. + +//@ revisions: current next +//@[next] compile-flags: -Znext-solver +//@[next] check-pass + +#![feature(type_alias_impl_trait)] + +type Foo = impl Sized; + +struct Bar(T); + +impl Bar { + fn bar(mut self) { + self.0 = 42_u32; + } +} + +impl Bar { + fn foo(self) + where + Foo:, + { + self.bar() + //[current]~^ ERROR: no method named `bar` + } +} + +fn foo() -> Foo { + 42_u32 +} + +fn main() {} diff --git a/tests/ui/type-alias-impl-trait/method_resolution_trait_method_from_opaque.current.stderr b/tests/ui/type-alias-impl-trait/method_resolution_trait_method_from_opaque.current.stderr new file mode 100644 index 000000000000..f331da1af879 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/method_resolution_trait_method_from_opaque.current.stderr @@ -0,0 +1,15 @@ +error: item does not constrain `Tait::{opaque#0}`, but has it in its signature + --> $DIR/method_resolution_trait_method_from_opaque.rs:24:8 + | +LL | fn foo(&mut self) { + | ^^^ + | + = note: consider moving the opaque type's declaration and defining uses into a separate module +note: this opaque type is in the signature + --> $DIR/method_resolution_trait_method_from_opaque.rs:17:13 + | +LL | type Tait = impl Iterator; + | ^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 1 previous error + diff --git a/tests/ui/type-alias-impl-trait/method_resolution_trait_method_from_opaque.next.stderr b/tests/ui/type-alias-impl-trait/method_resolution_trait_method_from_opaque.next.stderr new file mode 100644 index 000000000000..2617ce124c10 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/method_resolution_trait_method_from_opaque.next.stderr @@ -0,0 +1,9 @@ +error[E0282]: type annotations needed + --> $DIR/method_resolution_trait_method_from_opaque.rs:26:9 + | +LL | self.bar.next().unwrap(); + | ^^^^^^^^ cannot infer type + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0282`. diff --git a/tests/ui/type-alias-impl-trait/method_resolution_trait_method_from_opaque.rs b/tests/ui/type-alias-impl-trait/method_resolution_trait_method_from_opaque.rs new file mode 100644 index 000000000000..b6adf08853f2 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/method_resolution_trait_method_from_opaque.rs @@ -0,0 +1,31 @@ +//! This test demonstrates how method calls will attempt to unify an opaque type with a reference +//! if the method takes `&self` as its argument. This is almost never what is desired, as the user +//! would like to have method resolution happen on the opaque type instead of inferring the hidden +//! type. Once type-alias-impl-trait requires annotating which functions should constrain the hidden +//! type, this won't be as much of a problem, as most functions that do method calls on opaque types +//! won't also be the ones defining the hidden type. + +//@ revisions: current next +//@[next] compile-flags: -Znext-solver + +#![feature(type_alias_impl_trait)] + +pub struct Foo { + bar: Tait, +} + +type Tait = impl Iterator; + +impl Foo { + pub fn new() -> Foo { + Foo { bar: std::iter::empty() } + } + + fn foo(&mut self) { + //[current]~^ ERROR: item does not constrain + self.bar.next().unwrap(); + //[next]~^ ERROR: type annotations needed + } +} + +fn main() {} From 9cf60ee9d33fadff387d83d09aef1ce43589e233 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Mon, 15 Apr 2024 11:37:09 +0000 Subject: [PATCH 1474/1716] Method resolution constrains hidden types instead of rejecting method candidates --- .../rustc_hir_typeck/src/fn_ctxt/_impl.rs | 2 +- .../rustc_hir_typeck/src/method/confirm.rs | 2 +- compiler/rustc_hir_typeck/src/method/probe.rs | 65 +++++++++---------- compiler/rustc_middle/src/traits/query.rs | 2 +- .../method-resolution.current.stderr | 36 ---------- tests/ui/impl-trait/method-resolution.rs | 9 +-- tests/ui/impl-trait/method-resolution2.rs | 2 +- .../method-resolution3.current.stderr | 47 +++++--------- .../impl-trait/method-resolution3.next.stderr | 2 +- tests/ui/impl-trait/method-resolution3.rs | 4 +- tests/ui/impl-trait/method-resolution4.rs | 2 +- tests/ui/methods/opaque_param_in_ufc.rs | 6 +- tests/ui/methods/opaque_param_in_ufc.stderr | 36 ---------- .../method_resolution2.current.stderr | 36 ---------- .../method_resolution2.rs | 6 +- .../method_resolution5.current.stderr | 15 ----- .../method_resolution5.rs | 3 +- 17 files changed, 60 insertions(+), 215 deletions(-) delete mode 100644 tests/ui/impl-trait/method-resolution.current.stderr delete mode 100644 tests/ui/methods/opaque_param_in_ufc.stderr delete mode 100644 tests/ui/type-alias-impl-trait/method_resolution2.current.stderr delete mode 100644 tests/ui/type-alias-impl-trait/method_resolution5.current.stderr diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs index 94e879ae9c3e..9531c002829e 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs @@ -1418,7 +1418,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let impl_ty = self.normalize(span, tcx.type_of(impl_def_id).instantiate(tcx, args)); let self_ty = self.normalize(span, self_ty); match self.at(&self.misc(span), self.param_env).eq( - DefineOpaqueTypes::No, + DefineOpaqueTypes::Yes, impl_ty, self_ty, ) { diff --git a/compiler/rustc_hir_typeck/src/method/confirm.rs b/compiler/rustc_hir_typeck/src/method/confirm.rs index 3c9a49e91a3f..120e3239d1f1 100644 --- a/compiler/rustc_hir_typeck/src/method/confirm.rs +++ b/compiler/rustc_hir_typeck/src/method/confirm.rs @@ -497,7 +497,7 @@ impl<'a, 'tcx> ConfirmContext<'a, 'tcx> { args, })), ); - match self.at(&cause, self.param_env).sup(DefineOpaqueTypes::No, method_self_ty, self_ty) { + match self.at(&cause, self.param_env).sup(DefineOpaqueTypes::Yes, method_self_ty, self_ty) { Ok(InferOk { obligations, value: () }) => { self.register_predicates(obligations); } diff --git a/compiler/rustc_hir_typeck/src/method/probe.rs b/compiler/rustc_hir_typeck/src/method/probe.rs index e842bba34bf8..3986374a343f 100644 --- a/compiler/rustc_hir_typeck/src/method/probe.rs +++ b/compiler/rustc_hir_typeck/src/method/probe.rs @@ -634,8 +634,8 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { } } + #[instrument(level = "debug", skip(self))] fn assemble_probe(&mut self, self_ty: &Canonical<'tcx, QueryResponse<'tcx, Ty<'tcx>>>) { - debug!("assemble_probe: self_ty={:?}", self_ty); let raw_self_ty = self_ty.value.value; match *raw_self_ty.kind() { ty::Dynamic(data, ..) if let Some(p) = data.principal() => { @@ -713,13 +713,12 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { } } + #[instrument(level = "debug", skip(self))] fn assemble_inherent_impl_probe(&mut self, impl_def_id: DefId) { if !self.impl_dups.insert(impl_def_id) { return; // already visited } - debug!("assemble_inherent_impl_probe {:?}", impl_def_id); - for item in self.impl_or_trait_item(impl_def_id) { if !self.has_applicable_self(&item) { // No receiver declared. Not a candidate. @@ -737,9 +736,8 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { } } + #[instrument(level = "debug", skip(self))] fn assemble_inherent_candidates_from_object(&mut self, self_ty: Ty<'tcx>) { - debug!("assemble_inherent_candidates_from_object(self_ty={:?})", self_ty); - let principal = match self_ty.kind() { ty::Dynamic(ref data, ..) => Some(data), _ => None, @@ -768,9 +766,9 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { }); } + #[instrument(level = "debug", skip(self))] fn assemble_inherent_candidates_from_param(&mut self, param_ty: ty::ParamTy) { // FIXME: do we want to commit to this behavior for param bounds? - debug!("assemble_inherent_candidates_from_param(param_ty={:?})", param_ty); let bounds = self.param_env.caller_bounds().iter().filter_map(|predicate| { let bound_predicate = predicate.kind(); @@ -826,6 +824,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { } } + #[instrument(level = "debug", skip(self))] fn assemble_extension_candidates_for_traits_in_scope(&mut self) { let mut duplicates = FxHashSet::default(); let opt_applicable_traits = self.tcx.in_scope_traits(self.scope_expr_id); @@ -842,6 +841,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { } } + #[instrument(level = "debug", skip(self))] fn assemble_extension_candidates_for_all_traits(&mut self) { let mut duplicates = FxHashSet::default(); for trait_info in suggest::all_traits(self.tcx) { @@ -863,12 +863,12 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { } } + #[instrument(level = "debug", skip(self))] fn assemble_extension_candidates_for_trait( &mut self, import_ids: &SmallVec<[LocalDefId; 1]>, trait_def_id: DefId, ) { - debug!("assemble_extension_candidates_for_trait(trait_def_id={:?})", trait_def_id); let trait_args = self.fresh_args_for_item(self.span, trait_def_id); let trait_ref = ty::TraitRef::new(self.tcx, trait_def_id, trait_args); @@ -958,6 +958,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { /////////////////////////////////////////////////////////////////////////// // THE ACTUAL SEARCH + #[instrument(level = "debug", skip(self))] fn pick(mut self) -> PickResult<'tcx> { assert!(self.method_name.is_some()); @@ -1386,6 +1387,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { } } + #[instrument(level = "trace", skip(self, possibly_unsatisfied_predicates), ret)] fn consider_probe( &self, self_ty: Ty<'tcx>, @@ -1415,15 +1417,8 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { (xform_self_ty, xform_ret_ty) = self.xform_self_ty(probe.item, impl_ty, impl_args); xform_self_ty = ocx.normalize(cause, self.param_env, xform_self_ty); - // FIXME: Make this `ocx.sup` once we define opaques more eagerly. - match self.at(cause, self.param_env).sup( - DefineOpaqueTypes::No, - xform_self_ty, - self_ty, - ) { - Ok(infer_ok) => { - ocx.register_infer_ok_obligations(infer_ok); - } + match ocx.sup(cause, self.param_env, xform_self_ty, self_ty) { + Ok(()) => {} Err(err) => { debug!("--> cannot relate self-types {:?}", err); return ProbeResult::NoMatch; @@ -1484,19 +1479,23 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { (xform_self_ty, xform_ret_ty) = self.xform_self_ty(probe.item, trait_ref.self_ty(), trait_ref.args); xform_self_ty = ocx.normalize(cause, self.param_env, xform_self_ty); - // FIXME: Make this `ocx.sup` once we define opaques more eagerly. - match self.at(cause, self.param_env).sup( - DefineOpaqueTypes::No, - xform_self_ty, - self_ty, - ) { - Ok(infer_ok) => { - ocx.register_infer_ok_obligations(infer_ok); - } - Err(err) => { - debug!("--> cannot relate self-types {:?}", err); + match self_ty.kind() { + // HACK: opaque types will match anything for which their bounds hold. + // Thus we need to prevent them from trying to match the `&_` autoref + // candidates that get created for `&self` trait methods. + ty::Alias(ty::Opaque, alias_ty) + if self.infcx.can_define_opaque_ty(alias_ty.def_id) + && !xform_self_ty.is_ty_var() => + { return ProbeResult::NoMatch; } + _ => match ocx.sup(cause, self.param_env, xform_self_ty, self_ty) { + Ok(()) => {} + Err(err) => { + debug!("--> cannot relate self-types {:?}", err); + return ProbeResult::NoMatch; + } + }, } let obligation = traits::Obligation::new( self.tcx, @@ -1536,15 +1535,8 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { (xform_self_ty, xform_ret_ty) = self.xform_self_ty(probe.item, trait_ref.self_ty(), trait_ref.args); xform_self_ty = ocx.normalize(cause, self.param_env, xform_self_ty); - // FIXME: Make this `ocx.sup` once we define opaques more eagerly. - match self.at(cause, self.param_env).sup( - DefineOpaqueTypes::No, - xform_self_ty, - self_ty, - ) { - Ok(infer_ok) => { - ocx.register_infer_ok_obligations(infer_ok); - } + match ocx.sup(cause, self.param_env, xform_self_ty, self_ty) { + Ok(()) => {} Err(err) => { debug!("--> cannot relate self-types {:?}", err); return ProbeResult::NoMatch; @@ -1665,6 +1657,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { /// Similarly to `probe_for_return_type`, this method attempts to find the best matching /// candidate method where the method name may have been misspelled. Similarly to other /// edit distance based suggestions, we provide at most one such suggestion. + #[instrument(level = "debug", skip(self))] pub(crate) fn probe_for_similar_candidate( &mut self, ) -> Result, MethodError<'tcx>> { diff --git a/compiler/rustc_middle/src/traits/query.rs b/compiler/rustc_middle/src/traits/query.rs index 50b6c77e1b29..4fad721ce984 100644 --- a/compiler/rustc_middle/src/traits/query.rs +++ b/compiler/rustc_middle/src/traits/query.rs @@ -156,7 +156,7 @@ pub struct CandidateStep<'tcx> { #[derive(Copy, Clone, Debug, HashStable)] pub struct MethodAutoderefStepsResult<'tcx> { - /// The valid autoderef steps that could be find. + /// The valid autoderef steps that could be found. pub steps: &'tcx [CandidateStep<'tcx>], /// If Some(T), a type autoderef reported an error on. pub opt_bad_ty: Option<&'tcx MethodAutoderefBadTy<'tcx>>, diff --git a/tests/ui/impl-trait/method-resolution.current.stderr b/tests/ui/impl-trait/method-resolution.current.stderr deleted file mode 100644 index 6d10693c8933..000000000000 --- a/tests/ui/impl-trait/method-resolution.current.stderr +++ /dev/null @@ -1,36 +0,0 @@ -error[E0599]: no method named `bar` found for struct `Bar` in the current scope - --> $DIR/method-resolution.rs:23:11 - | -LL | struct Bar(T); - | ------------- method `bar` not found for this struct -... -LL | x.bar(); - | ^^^ method not found in `Bar` - | - = note: the method was found for - - `Bar` - -error[E0391]: cycle detected when computing type of opaque `foo::{opaque#0}` - --> $DIR/method-resolution.rs:19:24 - | -LL | fn foo(x: bool) -> Bar { - | ^^^^^^^^^^ - | -note: ...which requires type-checking `foo`... - --> $DIR/method-resolution.rs:23:9 - | -LL | x.bar(); - | ^ - = note: ...which requires evaluating trait selection obligation `Bar: core::marker::Unpin`... - = note: ...which again requires computing type of opaque `foo::{opaque#0}`, completing the cycle -note: cycle used when computing type of `foo::{opaque#0}` - --> $DIR/method-resolution.rs:19:24 - | -LL | fn foo(x: bool) -> Bar { - | ^^^^^^^^^^ - = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information - -error: aborting due to 2 previous errors - -Some errors have detailed explanations: E0391, E0599. -For more information about an error, try `rustc --explain E0391`. diff --git a/tests/ui/impl-trait/method-resolution.rs b/tests/ui/impl-trait/method-resolution.rs index 07618aa64085..60fbacd86462 100644 --- a/tests/ui/impl-trait/method-resolution.rs +++ b/tests/ui/impl-trait/method-resolution.rs @@ -1,10 +1,9 @@ -//! Check that we do not constrain hidden types during method resolution. -//! Otherwise we'd pick up that calling `bar` can be satisfied iff `u32` -//! is the hidden type of the RPIT. +//! Since there is only one possible `bar` method, we invoke it and subsequently +//! constrain `foo`'s RPIT to `u32`. //@ revisions: current next //@[next] compile-flags: -Znext-solver -//@[next] check-pass +//@ check-pass trait Trait {} @@ -17,11 +16,9 @@ impl Bar { } fn foo(x: bool) -> Bar { - //[current]~^ ERROR: cycle detected if x { let x = foo(false); x.bar(); - //[current]~^ ERROR: no method named `bar` found } todo!() } diff --git a/tests/ui/impl-trait/method-resolution2.rs b/tests/ui/impl-trait/method-resolution2.rs index 2930b42b8bca..88d4f3d9896c 100644 --- a/tests/ui/impl-trait/method-resolution2.rs +++ b/tests/ui/impl-trait/method-resolution2.rs @@ -1,5 +1,5 @@ //! Check that the method call does not constrain the RPIT to `i32`, even though -//! `i32` is the only trait that satisfies the RPIT's trait bounds. +//! `i32` is the only type that satisfies the RPIT's trait bounds. //@ revisions: current next //@[next] compile-flags: -Znext-solver diff --git a/tests/ui/impl-trait/method-resolution3.current.stderr b/tests/ui/impl-trait/method-resolution3.current.stderr index 7407b489e324..87dd862ef8f4 100644 --- a/tests/ui/impl-trait/method-resolution3.current.stderr +++ b/tests/ui/impl-trait/method-resolution3.current.stderr @@ -1,37 +1,20 @@ -error[E0599]: no method named `bar` found for struct `Bar` in the current scope - --> $DIR/method-resolution3.rs:22:11 - | -LL | struct Bar(T); - | ------------- method `bar` not found for this struct -... -LL | x.bar(); - | ^^^ method not found in `Bar` - | - = note: the method was found for - - `Bar` - - `Bar` - -error[E0391]: cycle detected when computing type of opaque `foo::{opaque#0}` - --> $DIR/method-resolution3.rs:18:24 - | -LL | fn foo(x: bool) -> Bar { - | ^^^^^^^^^^ - | -note: ...which requires type-checking `foo`... - --> $DIR/method-resolution3.rs:22:9 +error[E0034]: multiple applicable items in scope + --> $DIR/method-resolution3.rs:21:11 | LL | x.bar(); - | ^ - = note: ...which requires evaluating trait selection obligation `Bar: core::marker::Unpin`... - = note: ...which again requires computing type of opaque `foo::{opaque#0}`, completing the cycle -note: cycle used when computing type of `foo::{opaque#0}` - --> $DIR/method-resolution3.rs:18:24 + | ^^^ multiple `bar` found | -LL | fn foo(x: bool) -> Bar { - | ^^^^^^^^^^ - = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information +note: candidate #1 is defined in an impl for the type `Bar` + --> $DIR/method-resolution3.rs:15:5 + | +LL | fn bar(self) {} + | ^^^^^^^^^^^^ +note: candidate #2 is defined in an impl for the type `Bar` + --> $DIR/method-resolution3.rs:11:5 + | +LL | fn bar(self) {} + | ^^^^^^^^^^^^ -error: aborting due to 2 previous errors +error: aborting due to 1 previous error -Some errors have detailed explanations: E0391, E0599. -For more information about an error, try `rustc --explain E0391`. +For more information about this error, try `rustc --explain E0034`. diff --git a/tests/ui/impl-trait/method-resolution3.next.stderr b/tests/ui/impl-trait/method-resolution3.next.stderr index 53b77c620ba0..87dd862ef8f4 100644 --- a/tests/ui/impl-trait/method-resolution3.next.stderr +++ b/tests/ui/impl-trait/method-resolution3.next.stderr @@ -1,5 +1,5 @@ error[E0034]: multiple applicable items in scope - --> $DIR/method-resolution3.rs:22:11 + --> $DIR/method-resolution3.rs:21:11 | LL | x.bar(); | ^^^ multiple `bar` found diff --git a/tests/ui/impl-trait/method-resolution3.rs b/tests/ui/impl-trait/method-resolution3.rs index 8474e2da7dbb..8c47ef4fc75c 100644 --- a/tests/ui/impl-trait/method-resolution3.rs +++ b/tests/ui/impl-trait/method-resolution3.rs @@ -16,12 +16,10 @@ impl Bar { } fn foo(x: bool) -> Bar { - //[current]~^ ERROR: cycle if x { let x = foo(false); x.bar(); - //[current]~^ ERROR: no method named `bar` - //[next]~^^ ERROR: multiple applicable items in scope + //~^ ERROR: multiple applicable items in scope } todo!() } diff --git a/tests/ui/impl-trait/method-resolution4.rs b/tests/ui/impl-trait/method-resolution4.rs index 3578db7cb55f..91884eb59fd6 100644 --- a/tests/ui/impl-trait/method-resolution4.rs +++ b/tests/ui/impl-trait/method-resolution4.rs @@ -4,9 +4,9 @@ //! variable, but get a type mismatch when comparing `&mut _` with //! `std::iter::Empty`. -//@[current] check-pass //@ revisions: current next //@[next] compile-flags: -Znext-solver +//@[current] check-pass fn foo(b: bool) -> impl Iterator { if b { diff --git a/tests/ui/methods/opaque_param_in_ufc.rs b/tests/ui/methods/opaque_param_in_ufc.rs index a4b27a0131fd..b170e6805f64 100644 --- a/tests/ui/methods/opaque_param_in_ufc.rs +++ b/tests/ui/methods/opaque_param_in_ufc.rs @@ -1,4 +1,7 @@ #![feature(type_alias_impl_trait)] + +//@ check-pass + struct Foo(T); impl Foo { @@ -15,14 +18,11 @@ fn bar() -> Bar { impl Foo { fn foo() -> Bar { Self::method(); - //~^ ERROR: no function or associated item named `method` found for struct `Foo` Foo::::method(); - //~^ ERROR: no function or associated item named `method` found for struct `Foo` let x = Foo(bar()); Foo::method2(x); let x = Self(bar()); Self::method2(x); - //~^ ERROR: no function or associated item named `method2` found for struct `Foo` todo!() } } diff --git a/tests/ui/methods/opaque_param_in_ufc.stderr b/tests/ui/methods/opaque_param_in_ufc.stderr deleted file mode 100644 index 7e5bbbac8a9a..000000000000 --- a/tests/ui/methods/opaque_param_in_ufc.stderr +++ /dev/null @@ -1,36 +0,0 @@ -error[E0599]: no function or associated item named `method` found for struct `Foo` in the current scope - --> $DIR/opaque_param_in_ufc.rs:17:15 - | -LL | struct Foo(T); - | ------------- function or associated item `method` not found for this struct -... -LL | Self::method(); - | ^^^^^^ function or associated item not found in `Foo` - | - = note: the function or associated item was found for - - `Foo` - -error[E0599]: no function or associated item named `method` found for struct `Foo` in the current scope - --> $DIR/opaque_param_in_ufc.rs:19:21 - | -LL | struct Foo(T); - | ------------- function or associated item `method` not found for this struct -... -LL | Foo::::method(); - | ^^^^^^ function or associated item not found in `Foo` - | - = note: the function or associated item was found for - - `Foo` - -error[E0599]: no function or associated item named `method2` found for struct `Foo` in the current scope - --> $DIR/opaque_param_in_ufc.rs:24:15 - | -LL | struct Foo(T); - | ------------- function or associated item `method2` not found for this struct -... -LL | Self::method2(x); - | ^^^^^^^ function or associated item not found in `Foo` - -error: aborting due to 3 previous errors - -For more information about this error, try `rustc --explain E0599`. diff --git a/tests/ui/type-alias-impl-trait/method_resolution2.current.stderr b/tests/ui/type-alias-impl-trait/method_resolution2.current.stderr deleted file mode 100644 index e68ea70a8ef4..000000000000 --- a/tests/ui/type-alias-impl-trait/method_resolution2.current.stderr +++ /dev/null @@ -1,36 +0,0 @@ -error[E0599]: no method named `foo` found for struct `Bar` in the current scope - --> $DIR/method_resolution2.rs:17:14 - | -LL | struct Bar(T); - | ------------- method `foo` not found for this struct -... -LL | self.foo() - | ^^^ method not found in `Bar` - | - = note: the method was found for - - `Bar` - -error[E0391]: cycle detected when computing type of opaque `Foo::{opaque#0}` - --> $DIR/method_resolution2.rs:10:12 - | -LL | type Foo = impl Sized; - | ^^^^^^^^^^ - | -note: ...which requires type-checking `::bar`... - --> $DIR/method_resolution2.rs:17:9 - | -LL | self.foo() - | ^^^^ - = note: ...which requires evaluating trait selection obligation `Bar: core::marker::Unpin`... - = note: ...which again requires computing type of opaque `Foo::{opaque#0}`, completing the cycle -note: cycle used when computing type of `Foo::{opaque#0}` - --> $DIR/method_resolution2.rs:10:12 - | -LL | type Foo = impl Sized; - | ^^^^^^^^^^ - = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information - -error: aborting due to 2 previous errors - -Some errors have detailed explanations: E0391, E0599. -For more information about an error, try `rustc --explain E0391`. diff --git a/tests/ui/type-alias-impl-trait/method_resolution2.rs b/tests/ui/type-alias-impl-trait/method_resolution2.rs index d252f8640d46..f69661db7992 100644 --- a/tests/ui/type-alias-impl-trait/method_resolution2.rs +++ b/tests/ui/type-alias-impl-trait/method_resolution2.rs @@ -1,21 +1,19 @@ -//! Check that we do not unify `Bar` with `Bar`, even though the +//! Check that we do unify `Bar` with `Bar`, as the //! `foo` method call can be resolved unambiguously by doing so. //@ revisions: current next //@[next] compile-flags: -Znext-solver -//@[next] check-pass +//@ check-pass #![feature(type_alias_impl_trait)] type Foo = impl Sized; -//[current]~^ ERROR: cycle struct Bar(T); impl Bar { fn bar(self) { self.foo() - //[current]~^ ERROR: no method named `foo` } } diff --git a/tests/ui/type-alias-impl-trait/method_resolution5.current.stderr b/tests/ui/type-alias-impl-trait/method_resolution5.current.stderr deleted file mode 100644 index 193e6e147095..000000000000 --- a/tests/ui/type-alias-impl-trait/method_resolution5.current.stderr +++ /dev/null @@ -1,15 +0,0 @@ -error[E0599]: no method named `bar` found for struct `Bar` in the current scope - --> $DIR/method_resolution5.rs:25:14 - | -LL | struct Bar(T); - | ------------- method `bar` not found for this struct -... -LL | self.bar() - | ^^^ method not found in `Bar` - | - = note: the method was found for - - `Bar` - -error: aborting due to 1 previous error - -For more information about this error, try `rustc --explain E0599`. diff --git a/tests/ui/type-alias-impl-trait/method_resolution5.rs b/tests/ui/type-alias-impl-trait/method_resolution5.rs index 69335c9deded..64355e4560de 100644 --- a/tests/ui/type-alias-impl-trait/method_resolution5.rs +++ b/tests/ui/type-alias-impl-trait/method_resolution5.rs @@ -3,7 +3,7 @@ //@ revisions: current next //@[next] compile-flags: -Znext-solver -//@[next] check-pass +//@ check-pass #![feature(type_alias_impl_trait)] @@ -23,7 +23,6 @@ impl Bar { Foo:, { self.bar() - //[current]~^ ERROR: no method named `bar` } } From 9314831b456b3f17c0849173436531d7d92b2231 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Thu, 13 Jun 2024 11:30:23 +0200 Subject: [PATCH 1475/1716] Implement `CompletedProcess::assert_stdout_contains` and improve error output --- src/tools/run-make-support/src/command.rs | 10 ++++++++-- src/tools/run-make-support/src/lib.rs | 12 ++++++++++++ 2 files changed, 20 insertions(+), 2 deletions(-) diff --git a/src/tools/run-make-support/src/command.rs b/src/tools/run-make-support/src/command.rs index d689dc2f979a..5ee58e4e7a95 100644 --- a/src/tools/run-make-support/src/command.rs +++ b/src/tools/run-make-support/src/command.rs @@ -6,7 +6,7 @@ use std::path::Path; use std::process::{Command as StdCommand, ExitStatus, Output, Stdio}; use crate::drop_bomb::DropBomb; -use crate::{assert_not_contains, handle_failed_output}; +use crate::{assert_contains, assert_not_contains, handle_failed_output}; /// This is a custom command wrapper that simplifies working with commands and makes it easier to /// ensure that we check the exit status of executed processes. @@ -167,6 +167,12 @@ impl CompletedProcess { self } + #[track_caller] + pub fn assert_stdout_contains>(self, needle: S) -> Self { + assert_contains(&self.stdout_utf8(), needle.as_ref()); + self + } + #[track_caller] pub fn assert_stdout_not_contains>(&self, needle: S) -> &Self { assert_not_contains(&self.stdout_utf8(), needle.as_ref()); @@ -182,7 +188,7 @@ impl CompletedProcess { #[track_caller] pub fn assert_stderr_contains>(&self, needle: S) -> &Self { - assert!(self.stderr_utf8().contains(needle.as_ref())); + assert_contains(&self.stderr_utf8(), needle.as_ref()); self } diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index 0238255a53f3..8bb6a8d51d0d 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -315,6 +315,18 @@ pub fn read_dir(dir: impl AsRef, callback: F) { } } +/// Check that `haystack` contains `needle`. Panic otherwise. +#[track_caller] +pub fn assert_contains(haystack: &str, needle: &str) { + if !haystack.contains(needle) { + eprintln!("=== HAYSTACK ==="); + eprintln!("{}", haystack); + eprintln!("=== NEEDLE ==="); + eprintln!("{}", needle); + panic!("needle was not found in haystack"); + } +} + /// Check that `haystack` does not contain `needle`. Panic otherwise. #[track_caller] pub fn assert_not_contains(haystack: &str, needle: &str) { From 96f9fe5488e74f8b0f75c993ffbcca2c14ba9d01 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Thu, 13 Jun 2024 11:21:25 +0200 Subject: [PATCH 1476/1716] Migrate `run-make/allow-non-lint-warnings-cmdline` to `rmake.rs` --- src/tools/tidy/src/allowed_run_make_makefiles.txt | 1 - .../allow-non-lint-warnings-cmdline/Makefile | 12 ------------ .../allow-non-lint-warnings-cmdline/rmake.rs | 8 ++++++++ 3 files changed, 8 insertions(+), 13 deletions(-) delete mode 100644 tests/run-make/allow-non-lint-warnings-cmdline/Makefile create mode 100644 tests/run-make/allow-non-lint-warnings-cmdline/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 37da5d9c88d9..280420d022d6 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -1,5 +1,4 @@ run-make/allocator-shim-circular-deps/Makefile -run-make/allow-non-lint-warnings-cmdline/Makefile run-make/archive-duplicate-names/Makefile run-make/atomic-lock-free/Makefile run-make/branch-protection-check-IBT/Makefile diff --git a/tests/run-make/allow-non-lint-warnings-cmdline/Makefile b/tests/run-make/allow-non-lint-warnings-cmdline/Makefile deleted file mode 100644 index 78b9a7b98989..000000000000 --- a/tests/run-make/allow-non-lint-warnings-cmdline/Makefile +++ /dev/null @@ -1,12 +0,0 @@ -# ignore-cross-compile -include ../tools.mk - -# Test that -A warnings makes the 'empty trait list for derive' warning go away -OUT=$(shell $(RUSTC) foo.rs -A warnings 2>&1 | grep "warning" ) - -all: foo - test -z '$(OUT)' - -# This is just to make sure the above command actually succeeds -foo: - $(RUSTC) foo.rs -A warnings diff --git a/tests/run-make/allow-non-lint-warnings-cmdline/rmake.rs b/tests/run-make/allow-non-lint-warnings-cmdline/rmake.rs new file mode 100644 index 000000000000..3866ed3f5be5 --- /dev/null +++ b/tests/run-make/allow-non-lint-warnings-cmdline/rmake.rs @@ -0,0 +1,8 @@ +// Test that -A warnings makes the 'empty trait list for derive' warning go away. + +use run_make_support::rustc; + +fn main() { + let output = rustc().input("foo.rs").arg("-Awarnings").run(); + output.assert_stderr_not_contains("warning"); +} From eca8d209d9c75ed0ba7ce434d62d9460d42271f5 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Thu, 13 Jun 2024 12:52:05 +0200 Subject: [PATCH 1477/1716] Make `run-make/allow-non-lint-warnings-cmdline` into a ui test --- tests/run-make/allow-non-lint-warnings-cmdline/rmake.rs | 8 -------- .../foo.rs => ui/allow-non-lint-warnings.rs} | 3 +++ 2 files changed, 3 insertions(+), 8 deletions(-) delete mode 100644 tests/run-make/allow-non-lint-warnings-cmdline/rmake.rs rename tests/{run-make/allow-non-lint-warnings-cmdline/foo.rs => ui/allow-non-lint-warnings.rs} (60%) diff --git a/tests/run-make/allow-non-lint-warnings-cmdline/rmake.rs b/tests/run-make/allow-non-lint-warnings-cmdline/rmake.rs deleted file mode 100644 index 3866ed3f5be5..000000000000 --- a/tests/run-make/allow-non-lint-warnings-cmdline/rmake.rs +++ /dev/null @@ -1,8 +0,0 @@ -// Test that -A warnings makes the 'empty trait list for derive' warning go away. - -use run_make_support::rustc; - -fn main() { - let output = rustc().input("foo.rs").arg("-Awarnings").run(); - output.assert_stderr_not_contains("warning"); -} diff --git a/tests/run-make/allow-non-lint-warnings-cmdline/foo.rs b/tests/ui/allow-non-lint-warnings.rs similarity index 60% rename from tests/run-make/allow-non-lint-warnings-cmdline/foo.rs rename to tests/ui/allow-non-lint-warnings.rs index 02e8ccabf792..f8f5a78ebff2 100644 --- a/tests/run-make/allow-non-lint-warnings-cmdline/foo.rs +++ b/tests/ui/allow-non-lint-warnings.rs @@ -1,3 +1,6 @@ +//@ compile-flags: -Awarnings +//@ check-pass + #[derive()] #[derive(Copy, Clone)] pub struct Foo; From 9bff23005dc8cfca8fab4e5edaaf7d910b6c10f3 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Tue, 11 Jun 2024 14:05:30 +0200 Subject: [PATCH 1478/1716] Allow to bless diff tests --- src/tools/run-make-support/src/diff/mod.rs | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/src/tools/run-make-support/src/diff/mod.rs b/src/tools/run-make-support/src/diff/mod.rs index 105cdbc7b327..d0be57ca9d7c 100644 --- a/src/tools/run-make-support/src/diff/mod.rs +++ b/src/tools/run-make-support/src/diff/mod.rs @@ -1,6 +1,6 @@ use regex::Regex; use similar::TextDiff; -use std::path::Path; +use std::path::{Path, PathBuf}; use crate::drop_bomb::DropBomb; @@ -17,6 +17,7 @@ pub fn diff() -> Diff { pub struct Diff { expected: Option, expected_name: Option, + expected_file: Option, actual: Option, actual_name: Option, normalizers: Vec<(String, String)>, @@ -30,6 +31,7 @@ impl Diff { Self { expected: None, expected_name: None, + expected_file: None, actual: None, actual_name: None, normalizers: Vec::new(), @@ -43,6 +45,7 @@ impl Diff { let content = std::fs::read_to_string(path).expect("failed to read file"); let name = path.to_string_lossy().to_string(); + self.expected_file = Some(path.into()); self.expected = Some(content); self.expected_name = Some(name); self @@ -104,6 +107,15 @@ impl Diff { .to_string(); if !output.is_empty() { + // If we can bless (meaning we have a file to write into and the `RUSTC_BLESS_TEST` + // environment variable set), then we write into the file and return. + if let Some(ref expected_file) = self.expected_file { + if std::env::var("RUSTC_BLESS_TEST").is_ok() { + println!("Blessing `{}`", expected_file.display()); + std::fs::write(expected_file, actual).unwrap(); + return; + } + } panic!( "test failed: `{}` is different from `{}`\n\n{}", expected_name, actual_name, output From be7b587cd13af17bd23dd8e38182c454df23e278 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Tue, 11 Jun 2024 14:05:55 +0200 Subject: [PATCH 1479/1716] Migrate `run-make/const_fn_mir` to `rmake.rs` --- src/tools/tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/const_fn_mir/Makefile | 6 ------ tests/run-make/const_fn_mir/rmake.rs | 8 ++++++++ 3 files changed, 8 insertions(+), 7 deletions(-) delete mode 100644 tests/run-make/const_fn_mir/Makefile create mode 100644 tests/run-make/const_fn_mir/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 37da5d9c88d9..14d7bfe9ad45 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -18,7 +18,6 @@ run-make/compiler-lookup-paths-2/Makefile run-make/compiler-lookup-paths/Makefile run-make/compiler-rt-works-on-mingw/Makefile run-make/compressed-debuginfo/Makefile -run-make/const_fn_mir/Makefile run-make/crate-hash-rustc-version/Makefile run-make/crate-name-priority/Makefile run-make/cross-lang-lto-clang/Makefile diff --git a/tests/run-make/const_fn_mir/Makefile b/tests/run-make/const_fn_mir/Makefile deleted file mode 100644 index 3399446130d7..000000000000 --- a/tests/run-make/const_fn_mir/Makefile +++ /dev/null @@ -1,6 +0,0 @@ -# needs-unwind -Cpanic=abort gives different MIR output -include ../tools.mk - -all: - $(RUSTC) main.rs --emit=mir -o "$(TMPDIR)"/dump.mir - $(RUSTC_TEST_OP) "$(TMPDIR)"/dump.mir dump.mir diff --git a/tests/run-make/const_fn_mir/rmake.rs b/tests/run-make/const_fn_mir/rmake.rs new file mode 100644 index 000000000000..a4cc4299b1b0 --- /dev/null +++ b/tests/run-make/const_fn_mir/rmake.rs @@ -0,0 +1,8 @@ +// The `needs-unwind -Cpanic=abort` gives a different MIR output. + +use run_make_support::{cwd, diff, rustc}; + +fn main() { + rustc().input("main.rs").emit("mir").output("dump-actual.mir").run(); + diff().expected_file("dump.mir").actual_file("dump-actual.mir").run(); +} From 58e3ac0877bc5daf53e42383fc51b8c8e2d2a7bb Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Thu, 13 Jun 2024 15:06:34 +0300 Subject: [PATCH 1480/1716] extend the check for LLVM build We don't build LLVM when using the precompiled version from the CI builder. Signed-off-by: onur-ozkan --- src/bootstrap/src/core/sanity.rs | 27 ++++++++++++++------------- 1 file changed, 14 insertions(+), 13 deletions(-) diff --git a/src/bootstrap/src/core/sanity.rs b/src/bootstrap/src/core/sanity.rs index b5f17b9f54ed..da80f10b7ddd 100644 --- a/src/bootstrap/src/core/sanity.rs +++ b/src/bootstrap/src/core/sanity.rs @@ -137,19 +137,20 @@ pub fn check(build: &mut Build) { } // We need cmake, but only if we're actually building LLVM or sanitizers. - let building_llvm = build - .hosts - .iter() - .map(|host| { - build.config.llvm_enabled(*host) - && build - .config - .target_config - .get(host) - .map(|config| config.llvm_config.is_none()) - .unwrap_or(true) - }) - .any(|build_llvm_ourselves| build_llvm_ourselves); + let building_llvm = !build.config.llvm_from_ci + && build + .hosts + .iter() + .map(|host| { + build.config.llvm_enabled(*host) + && build + .config + .target_config + .get(host) + .map(|config| config.llvm_config.is_none()) + .unwrap_or(true) + }) + .any(|build_llvm_ourselves| build_llvm_ourselves); let need_cmake = building_llvm || build.config.any_sanitizers_to_build(); if need_cmake && cmd_finder.maybe_have("cmake").is_none() { From ea98e42bfd7e3723a68cb2dd6f6ac4a4866a400e Mon Sep 17 00:00:00 2001 From: Waffle Lapkin Date: Thu, 13 Jun 2024 14:43:16 +0200 Subject: [PATCH 1481/1716] rebase blessing --- compiler/rustc_hir_typeck/src/fallback.rs | 2 +- .../never-type-fallback-breaking.e2021.stderr | 23 +++++++++++++++++++ .../never-type-fallback-breaking.e2024.stderr | 6 ++--- .../editions/never-type-fallback-breaking.rs | 4 ++++ 4 files changed, 31 insertions(+), 4 deletions(-) create mode 100644 tests/ui/editions/never-type-fallback-breaking.e2021.stderr diff --git a/compiler/rustc_hir_typeck/src/fallback.rs b/compiler/rustc_hir_typeck/src/fallback.rs index dbc329a12bfe..b7937f458b33 100644 --- a/compiler/rustc_hir_typeck/src/fallback.rs +++ b/compiler/rustc_hir_typeck/src/fallback.rs @@ -477,7 +477,7 @@ impl<'tcx> FnCtxt<'_, 'tcx> { behavior: DivergingFallbackBehavior, diverging_vids: &[ty::TyVid], ) { - let DivergingFallbackBehavior::FallbackToUnit = behavior else { return }; + let DivergingFallbackBehavior::ToUnit = behavior else { return }; // Fallback happens if and only if there are diverging variables if diverging_vids.is_empty() { diff --git a/tests/ui/editions/never-type-fallback-breaking.e2021.stderr b/tests/ui/editions/never-type-fallback-breaking.e2021.stderr new file mode 100644 index 000000000000..92c233a0d9cf --- /dev/null +++ b/tests/ui/editions/never-type-fallback-breaking.e2021.stderr @@ -0,0 +1,23 @@ +warning: this function depends on never type fallback being `()` + --> $DIR/never-type-fallback-breaking.rs:15:1 + | +LL | fn m() { + | ^^^^^^ + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #123748 + = help: specify the types explicitly + = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default + +warning: this function depends on never type fallback being `()` + --> $DIR/never-type-fallback-breaking.rs:27:1 + | +LL | fn q() -> Option<()> { + | ^^^^^^^^^^^^^^^^^^^^ + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #123748 + = help: specify the types explicitly + +warning: 2 warnings emitted + diff --git a/tests/ui/editions/never-type-fallback-breaking.e2024.stderr b/tests/ui/editions/never-type-fallback-breaking.e2024.stderr index e9a8882eb6ca..461e4ae0bdf6 100644 --- a/tests/ui/editions/never-type-fallback-breaking.e2024.stderr +++ b/tests/ui/editions/never-type-fallback-breaking.e2024.stderr @@ -1,5 +1,5 @@ error[E0277]: the trait bound `!: Default` is not satisfied - --> $DIR/never-type-fallback-breaking.rs:17:17 + --> $DIR/never-type-fallback-breaking.rs:19:17 | LL | true => Default::default(), | ^^^^^^^^^^^^^^^^^^ the trait `Default` is not implemented for `!` @@ -8,7 +8,7 @@ LL | true => Default::default(), = help: did you intend to use the type `()` here instead? error[E0277]: the trait bound `!: Default` is not satisfied - --> $DIR/never-type-fallback-breaking.rs:30:5 + --> $DIR/never-type-fallback-breaking.rs:34:5 | LL | deserialize()?; | ^^^^^^^^^^^^^ the trait `Default` is not implemented for `!` @@ -16,7 +16,7 @@ LL | deserialize()?; = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #48950 for more information) = help: did you intend to use the type `()` here instead? note: required by a bound in `deserialize` - --> $DIR/never-type-fallback-breaking.rs:26:23 + --> $DIR/never-type-fallback-breaking.rs:30:23 | LL | fn deserialize() -> Option { | ^^^^^^^ required by this bound in `deserialize` diff --git a/tests/ui/editions/never-type-fallback-breaking.rs b/tests/ui/editions/never-type-fallback-breaking.rs index 7dfa4702807b..7b4a1b1de048 100644 --- a/tests/ui/editions/never-type-fallback-breaking.rs +++ b/tests/ui/editions/never-type-fallback-breaking.rs @@ -13,6 +13,8 @@ fn main() { } fn m() { + //[e2021]~^ this function depends on never type fallback being `()` + //[e2021]~| this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! let x = match true { true => Default::default(), //[e2024]~^ error: the trait bound `!: Default` is not satisfied @@ -23,6 +25,8 @@ fn m() { } fn q() -> Option<()> { + //[e2021]~^ this function depends on never type fallback being `()` + //[e2021]~| this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! fn deserialize() -> Option { Some(T::default()) } From 0cc099b8a205d838f8b67996e9a75c2217574fc0 Mon Sep 17 00:00:00 2001 From: Florian Sextl Date: Thu, 13 Jun 2024 14:45:45 +0200 Subject: [PATCH 1482/1716] fix wrong assert_unsafe_precondition message for core::ptr::copy --- library/core/src/intrinsics.rs | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/library/core/src/intrinsics.rs b/library/core/src/intrinsics.rs index cd3534ecb123..6b5054a9f061 100644 --- a/library/core/src/intrinsics.rs +++ b/library/core/src/intrinsics.rs @@ -3043,8 +3043,7 @@ pub const unsafe fn copy(src: *const T, dst: *mut T, count: usize) { unsafe { ub_checks::assert_unsafe_precondition!( check_language_ub, - "ptr::copy_nonoverlapping requires that both pointer arguments are aligned and non-null \ - and the specified memory ranges do not overlap", + "ptr::copy requires that both pointer arguments are aligned and non-null", ( src: *const () = src as *const (), dst: *mut () = dst as *mut (), From 5f4111f781abcd8faca117e18e25c633f9effdcc Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Thu, 13 Jun 2024 11:39:45 +0200 Subject: [PATCH 1483/1716] Update run-make-support/diff to new `fs_wrapper` API --- src/tools/run-make-support/src/diff/mod.rs | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/src/tools/run-make-support/src/diff/mod.rs b/src/tools/run-make-support/src/diff/mod.rs index d0be57ca9d7c..3e0bdc1c6f64 100644 --- a/src/tools/run-make-support/src/diff/mod.rs +++ b/src/tools/run-make-support/src/diff/mod.rs @@ -3,6 +3,7 @@ use similar::TextDiff; use std::path::{Path, PathBuf}; use crate::drop_bomb::DropBomb; +use crate::fs_wrapper; #[cfg(test)] mod tests; @@ -42,7 +43,7 @@ impl Diff { /// Specify the expected output for the diff from a file. pub fn expected_file>(&mut self, path: P) -> &mut Self { let path = path.as_ref(); - let content = std::fs::read_to_string(path).expect("failed to read file"); + let content = fs_wrapper::read_to_string(path); let name = path.to_string_lossy().to_string(); self.expected_file = Some(path.into()); @@ -61,10 +62,7 @@ impl Diff { /// Specify the actual output for the diff from a file. pub fn actual_file>(&mut self, path: P) -> &mut Self { let path = path.as_ref(); - let content = match std::fs::read_to_string(path) { - Ok(c) => c, - Err(e) => panic!("failed to read `{}`: {:?}", path.display(), e), - }; + let content = fs_wrapper::read_to_string(path); let name = path.to_string_lossy().to_string(); self.actual = Some(content); @@ -112,7 +110,7 @@ impl Diff { if let Some(ref expected_file) = self.expected_file { if std::env::var("RUSTC_BLESS_TEST").is_ok() { println!("Blessing `{}`", expected_file.display()); - std::fs::write(expected_file, actual).unwrap(); + fs_wrapper::write(expected_file, actual); return; } } From 93ee07c75603ad5492cf789eee89fd61ecc9d3ad Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Wed, 12 Jun 2024 11:15:57 -0400 Subject: [PATCH 1484/1716] Check that alias-relate terms are WF if reporting an error in alias-relate --- .../src/solve/fulfill.rs | 24 +++++++ .../defaults-unsound-62211-1.next.stderr | 21 ++---- .../defaults-unsound-62211-1.rs | 1 - .../defaults-unsound-62211-2.next.stderr | 21 ++---- .../defaults-unsound-62211-2.rs | 1 - .../associated-types/issue-54108.next.stderr | 21 ++---- tests/ui/associated-types/issue-54108.rs | 1 - .../traits/next-solver/coroutine.fail.stderr | 47 +------------ tests/ui/traits/next-solver/coroutine.rs | 2 - tests/ui/traits/next-solver/fn-trait.rs | 4 -- tests/ui/traits/next-solver/fn-trait.stderr | 67 ++----------------- 11 files changed, 43 insertions(+), 167 deletions(-) diff --git a/compiler/rustc_trait_selection/src/solve/fulfill.rs b/compiler/rustc_trait_selection/src/solve/fulfill.rs index 3c3d5dfe79c4..519a24f6975f 100644 --- a/compiler/rustc_trait_selection/src/solve/fulfill.rs +++ b/compiler/rustc_trait_selection/src/solve/fulfill.rs @@ -515,6 +515,30 @@ impl<'tcx> ProofTreeVisitor<'tcx> for BestObligation<'tcx> { self.with_derived_obligation(obligation, |this| nested_goal.visit_with(this))?; } + // alias-relate may fail because the lhs or rhs can't be normalized, + // and therefore is treated as rigid. + if let Some(ty::PredicateKind::AliasRelate(lhs, rhs, _)) = pred_kind.no_bound_vars() { + if let Some(obligation) = goal + .infcx() + .visit_proof_tree( + goal.goal().with(goal.infcx().tcx, ty::ClauseKind::WellFormed(lhs.into())), + self, + ) + .break_value() + { + return ControlFlow::Break(obligation); + } else if let Some(obligation) = goal + .infcx() + .visit_proof_tree( + goal.goal().with(goal.infcx().tcx, ty::ClauseKind::WellFormed(rhs.into())), + self, + ) + .break_value() + { + return ControlFlow::Break(obligation); + } + } + ControlFlow::Break(self.obligation.clone()) } } diff --git a/tests/ui/associated-types/defaults-unsound-62211-1.next.stderr b/tests/ui/associated-types/defaults-unsound-62211-1.next.stderr index 0fc1bb0b00f3..010f51df15ad 100644 --- a/tests/ui/associated-types/defaults-unsound-62211-1.next.stderr +++ b/tests/ui/associated-types/defaults-unsound-62211-1.next.stderr @@ -31,18 +31,6 @@ help: consider further restricting `Self` LL | trait UncheckedCopy: Sized + AddAssign<&'static str> { | +++++++++++++++++++++++++ -error[E0271]: type mismatch resolving `::Target == str` - --> $DIR/defaults-unsound-62211-1.rs:24:96 - | -LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; - | ^^^^ types differ - | -note: required by a bound in `UncheckedCopy::Output` - --> $DIR/defaults-unsound-62211-1.rs:24:31 - | -LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; - | ^^^^^^^^^^^^ required by this bound in `UncheckedCopy::Output` - error[E0277]: the trait bound `Self: Deref` is not satisfied --> $DIR/defaults-unsound-62211-1.rs:24:96 | @@ -50,10 +38,10 @@ LL | type Output: Copy + Deref + AddAssign<&'static str> + Fro | ^^^^ the trait `Deref` is not implemented for `Self` | note: required by a bound in `UncheckedCopy::Output` - --> $DIR/defaults-unsound-62211-1.rs:24:25 + --> $DIR/defaults-unsound-62211-1.rs:24:31 | LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; - | ^^^^^^^^^^^^^^^^^^^ required by this bound in `UncheckedCopy::Output` + | ^^^^^^^^^^^^ required by this bound in `UncheckedCopy::Output` help: consider further restricting `Self` | LL | trait UncheckedCopy: Sized + Deref { @@ -75,7 +63,6 @@ help: consider further restricting `Self` LL | trait UncheckedCopy: Sized + Copy { | ++++++ -error: aborting due to 5 previous errors +error: aborting due to 4 previous errors -Some errors have detailed explanations: E0271, E0277. -For more information about an error, try `rustc --explain E0271`. +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/associated-types/defaults-unsound-62211-1.rs b/tests/ui/associated-types/defaults-unsound-62211-1.rs index f054611ed780..124bac0ea721 100644 --- a/tests/ui/associated-types/defaults-unsound-62211-1.rs +++ b/tests/ui/associated-types/defaults-unsound-62211-1.rs @@ -26,7 +26,6 @@ trait UncheckedCopy: Sized { //~| ERROR the trait bound `Self: Deref` is not satisfied //~| ERROR cannot add-assign `&'static str` to `Self` //~| ERROR `Self` doesn't implement `std::fmt::Display` - //[next]~| ERROR type mismatch resolving `::Target == str` // We said the Output type was Copy, so we can Copy it freely! fn unchecked_copy(other: &Self::Output) -> Self::Output { diff --git a/tests/ui/associated-types/defaults-unsound-62211-2.next.stderr b/tests/ui/associated-types/defaults-unsound-62211-2.next.stderr index 751352d7c16d..934789465707 100644 --- a/tests/ui/associated-types/defaults-unsound-62211-2.next.stderr +++ b/tests/ui/associated-types/defaults-unsound-62211-2.next.stderr @@ -31,18 +31,6 @@ help: consider further restricting `Self` LL | trait UncheckedCopy: Sized + AddAssign<&'static str> { | +++++++++++++++++++++++++ -error[E0271]: type mismatch resolving `::Target == str` - --> $DIR/defaults-unsound-62211-2.rs:24:96 - | -LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; - | ^^^^ types differ - | -note: required by a bound in `UncheckedCopy::Output` - --> $DIR/defaults-unsound-62211-2.rs:24:31 - | -LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; - | ^^^^^^^^^^^^ required by this bound in `UncheckedCopy::Output` - error[E0277]: the trait bound `Self: Deref` is not satisfied --> $DIR/defaults-unsound-62211-2.rs:24:96 | @@ -50,10 +38,10 @@ LL | type Output: Copy + Deref + AddAssign<&'static str> + Fro | ^^^^ the trait `Deref` is not implemented for `Self` | note: required by a bound in `UncheckedCopy::Output` - --> $DIR/defaults-unsound-62211-2.rs:24:25 + --> $DIR/defaults-unsound-62211-2.rs:24:31 | LL | type Output: Copy + Deref + AddAssign<&'static str> + From + Display = Self; - | ^^^^^^^^^^^^^^^^^^^ required by this bound in `UncheckedCopy::Output` + | ^^^^^^^^^^^^ required by this bound in `UncheckedCopy::Output` help: consider further restricting `Self` | LL | trait UncheckedCopy: Sized + Deref { @@ -75,7 +63,6 @@ help: consider further restricting `Self` LL | trait UncheckedCopy: Sized + Copy { | ++++++ -error: aborting due to 5 previous errors +error: aborting due to 4 previous errors -Some errors have detailed explanations: E0271, E0277. -For more information about an error, try `rustc --explain E0271`. +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/associated-types/defaults-unsound-62211-2.rs b/tests/ui/associated-types/defaults-unsound-62211-2.rs index 956f14df0d54..998c39b5bad3 100644 --- a/tests/ui/associated-types/defaults-unsound-62211-2.rs +++ b/tests/ui/associated-types/defaults-unsound-62211-2.rs @@ -26,7 +26,6 @@ trait UncheckedCopy: Sized { //~| ERROR the trait bound `Self: Deref` is not satisfied //~| ERROR cannot add-assign `&'static str` to `Self` //~| ERROR `Self` doesn't implement `std::fmt::Display` - //[next]~| ERROR type mismatch resolving `::Target == str` // We said the Output type was Copy, so we can Copy it freely! fn unchecked_copy(other: &Self::Output) -> Self::Output { diff --git a/tests/ui/associated-types/issue-54108.next.stderr b/tests/ui/associated-types/issue-54108.next.stderr index 9f6f00e7ca8f..5e2fa551afe3 100644 --- a/tests/ui/associated-types/issue-54108.next.stderr +++ b/tests/ui/associated-types/issue-54108.next.stderr @@ -1,15 +1,3 @@ -error[E0271]: type mismatch resolving `<::ActualSize as Add>::Output == ::ActualSize` - --> $DIR/issue-54108.rs:23:17 - | -LL | type Size = ::ActualSize; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ - | -note: required by a bound in `Encoder::Size` - --> $DIR/issue-54108.rs:8:20 - | -LL | type Size: Add; - | ^^^^^^^^^^^^^^^^^^^ required by this bound in `Encoder::Size` - error[E0277]: cannot add `::ActualSize` to `::ActualSize` --> $DIR/issue-54108.rs:23:17 | @@ -18,16 +6,15 @@ LL | type Size = ::ActualSize; | = help: the trait `Add` is not implemented for `::ActualSize` note: required by a bound in `Encoder::Size` - --> $DIR/issue-54108.rs:8:16 + --> $DIR/issue-54108.rs:8:20 | LL | type Size: Add; - | ^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Encoder::Size` + | ^^^^^^^^^^^^^^^^^^^ required by this bound in `Encoder::Size` help: consider further restricting the associated type | LL | T: SubEncoder, ::ActualSize: Add | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -error: aborting due to 2 previous errors +error: aborting due to 1 previous error -Some errors have detailed explanations: E0271, E0277. -For more information about an error, try `rustc --explain E0271`. +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/associated-types/issue-54108.rs b/tests/ui/associated-types/issue-54108.rs index 7c652fd7f49b..bcc54f333621 100644 --- a/tests/ui/associated-types/issue-54108.rs +++ b/tests/ui/associated-types/issue-54108.rs @@ -22,7 +22,6 @@ where { type Size = ::ActualSize; //~^ ERROR: cannot add `::ActualSize` to `::ActualSize` - //[next]~| ERROR type mismatch resolving `<::ActualSize as Add>::Output == ::ActualSize` fn foo(&self) -> Self::Size { self.bar() + self.bar() diff --git a/tests/ui/traits/next-solver/coroutine.fail.stderr b/tests/ui/traits/next-solver/coroutine.fail.stderr index e880d05a4dd3..8c263e8644bd 100644 --- a/tests/ui/traits/next-solver/coroutine.fail.stderr +++ b/tests/ui/traits/next-solver/coroutine.fail.stderr @@ -6,8 +6,6 @@ LL | needs_coroutine( LL | #[coroutine] LL | / || { LL | | -LL | | -LL | | LL | | yield (); LL | | }, | |_________^ the trait `Coroutine` is not implemented for `{coroutine@$DIR/coroutine.rs:20:9: 20:11}` @@ -18,47 +16,6 @@ note: required by a bound in `needs_coroutine` LL | fn needs_coroutine(_: impl Coroutine) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `needs_coroutine` -error[E0271]: type mismatch resolving `<{coroutine@$DIR/coroutine.rs:20:9: 20:11} as Coroutine>::Yield == B` - --> $DIR/coroutine.rs:20:9 - | -LL | needs_coroutine( - | --------------- required by a bound introduced by this call -LL | #[coroutine] -LL | / || { -LL | | -LL | | -LL | | -LL | | yield (); -LL | | }, - | |_________^ types differ - | -note: required by a bound in `needs_coroutine` - --> $DIR/coroutine.rs:14:41 - | -LL | fn needs_coroutine(_: impl Coroutine) {} - | ^^^^^^^^^ required by this bound in `needs_coroutine` +error: aborting due to 1 previous error -error[E0271]: type mismatch resolving `<{coroutine@$DIR/coroutine.rs:20:9: 20:11} as Coroutine>::Return == C` - --> $DIR/coroutine.rs:20:9 - | -LL | needs_coroutine( - | --------------- required by a bound introduced by this call -LL | #[coroutine] -LL | / || { -LL | | -LL | | -LL | | -LL | | yield (); -LL | | }, - | |_________^ types differ - | -note: required by a bound in `needs_coroutine` - --> $DIR/coroutine.rs:14:52 - | -LL | fn needs_coroutine(_: impl Coroutine) {} - | ^^^^^^^^^^ required by this bound in `needs_coroutine` - -error: aborting due to 3 previous errors - -Some errors have detailed explanations: E0271, E0277. -For more information about an error, try `rustc --explain E0271`. +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/traits/next-solver/coroutine.rs b/tests/ui/traits/next-solver/coroutine.rs index 1882a62cf29c..bdc34842f6d5 100644 --- a/tests/ui/traits/next-solver/coroutine.rs +++ b/tests/ui/traits/next-solver/coroutine.rs @@ -19,8 +19,6 @@ fn main() { #[coroutine] || { //[fail]~^ ERROR Coroutine` is not satisfied - //[fail]~| ERROR as Coroutine>::Yield == B` - //[fail]~| ERROR as Coroutine>::Return == C` yield (); }, ); diff --git a/tests/ui/traits/next-solver/fn-trait.rs b/tests/ui/traits/next-solver/fn-trait.rs index 6d6ae9260b0f..7994dd3052c4 100644 --- a/tests/ui/traits/next-solver/fn-trait.rs +++ b/tests/ui/traits/next-solver/fn-trait.rs @@ -19,14 +19,10 @@ fn main() { require_fn(f as fn() -> i32); require_fn(f as unsafe fn() -> i32); //~^ ERROR: expected a `Fn()` closure, found `unsafe fn() -> i32` - //~| ERROR: type mismatch resolving ` i32 as FnOnce<()>>::Output == i32` require_fn(g); //~^ ERROR: expected a `Fn()` closure, found `extern "C" fn() -> i32 {g}` - //~| ERROR: type mismatch resolving ` i32 {g} as FnOnce<()>>::Output == i32` require_fn(g as extern "C" fn() -> i32); //~^ ERROR: expected a `Fn()` closure, found `extern "C" fn() -> i32` - //~| ERROR: type mismatch resolving ` i32 as FnOnce<()>>::Output == i32` require_fn(h); //~^ ERROR: expected a `Fn()` closure, found `unsafe fn() -> i32 {h}` - //~| ERROR: type mismatch resolving ` i32 {h} as FnOnce<()>>::Output == i32` } diff --git a/tests/ui/traits/next-solver/fn-trait.stderr b/tests/ui/traits/next-solver/fn-trait.stderr index 86d97cb16b32..00243fd90595 100644 --- a/tests/ui/traits/next-solver/fn-trait.stderr +++ b/tests/ui/traits/next-solver/fn-trait.stderr @@ -15,22 +15,8 @@ note: required by a bound in `require_fn` LL | fn require_fn(_: impl Fn() -> i32) {} | ^^^^^^^^^^^ required by this bound in `require_fn` -error[E0271]: type mismatch resolving ` i32 as FnOnce<()>>::Output == i32` - --> $DIR/fn-trait.rs:20:16 - | -LL | require_fn(f as unsafe fn() -> i32); - | ---------- ^^^^^^^^^^^^^^^^^^^^^^^ types differ - | | - | required by a bound introduced by this call - | -note: required by a bound in `require_fn` - --> $DIR/fn-trait.rs:3:31 - | -LL | fn require_fn(_: impl Fn() -> i32) {} - | ^^^ required by this bound in `require_fn` - error[E0277]: expected a `Fn()` closure, found `extern "C" fn() -> i32 {g}` - --> $DIR/fn-trait.rs:23:16 + --> $DIR/fn-trait.rs:22:16 | LL | require_fn(g); | ---------- ^ expected an `Fn()` closure, found `extern "C" fn() -> i32 {g}` @@ -45,22 +31,8 @@ note: required by a bound in `require_fn` LL | fn require_fn(_: impl Fn() -> i32) {} | ^^^^^^^^^^^ required by this bound in `require_fn` -error[E0271]: type mismatch resolving ` i32 {g} as FnOnce<()>>::Output == i32` - --> $DIR/fn-trait.rs:23:16 - | -LL | require_fn(g); - | ---------- ^ types differ - | | - | required by a bound introduced by this call - | -note: required by a bound in `require_fn` - --> $DIR/fn-trait.rs:3:31 - | -LL | fn require_fn(_: impl Fn() -> i32) {} - | ^^^ required by this bound in `require_fn` - error[E0277]: expected a `Fn()` closure, found `extern "C" fn() -> i32` - --> $DIR/fn-trait.rs:26:16 + --> $DIR/fn-trait.rs:24:16 | LL | require_fn(g as extern "C" fn() -> i32); | ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected an `Fn()` closure, found `extern "C" fn() -> i32` @@ -75,22 +47,8 @@ note: required by a bound in `require_fn` LL | fn require_fn(_: impl Fn() -> i32) {} | ^^^^^^^^^^^ required by this bound in `require_fn` -error[E0271]: type mismatch resolving ` i32 as FnOnce<()>>::Output == i32` - --> $DIR/fn-trait.rs:26:16 - | -LL | require_fn(g as extern "C" fn() -> i32); - | ---------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ - | | - | required by a bound introduced by this call - | -note: required by a bound in `require_fn` - --> $DIR/fn-trait.rs:3:31 - | -LL | fn require_fn(_: impl Fn() -> i32) {} - | ^^^ required by this bound in `require_fn` - error[E0277]: expected a `Fn()` closure, found `unsafe fn() -> i32 {h}` - --> $DIR/fn-trait.rs:29:16 + --> $DIR/fn-trait.rs:26:16 | LL | require_fn(h); | ---------- ^ call the function in a closure: `|| unsafe { /* code */ }` @@ -106,21 +64,6 @@ note: required by a bound in `require_fn` LL | fn require_fn(_: impl Fn() -> i32) {} | ^^^^^^^^^^^ required by this bound in `require_fn` -error[E0271]: type mismatch resolving ` i32 {h} as FnOnce<()>>::Output == i32` - --> $DIR/fn-trait.rs:29:16 - | -LL | require_fn(h); - | ---------- ^ types differ - | | - | required by a bound introduced by this call - | -note: required by a bound in `require_fn` - --> $DIR/fn-trait.rs:3:31 - | -LL | fn require_fn(_: impl Fn() -> i32) {} - | ^^^ required by this bound in `require_fn` +error: aborting due to 4 previous errors -error: aborting due to 8 previous errors - -Some errors have detailed explanations: E0271, E0277. -For more information about an error, try `rustc --explain E0271`. +For more information about this error, try `rustc --explain E0277`. From d3812ac95fbf67725f1d13392a611b776b1a2608 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Wed, 12 Jun 2024 18:15:33 -0400 Subject: [PATCH 1485/1716] LangItem-ify Coroutine trait in solvers --- compiler/rustc_hir/src/lang_items.rs | 4 +++- compiler/rustc_span/src/symbol.rs | 2 ++ .../src/solve/normalizes_to/mod.rs | 13 ++++++++----- .../rustc_trait_selection/src/traits/project.rs | 9 +++++---- library/core/src/ops/coroutine.rs | 2 ++ 5 files changed, 20 insertions(+), 10 deletions(-) diff --git a/compiler/rustc_hir/src/lang_items.rs b/compiler/rustc_hir/src/lang_items.rs index c3ccba487ede..69461957f804 100644 --- a/compiler/rustc_hir/src/lang_items.rs +++ b/compiler/rustc_hir/src/lang_items.rs @@ -244,7 +244,9 @@ language_item_table! { AsyncIterator, sym::async_iterator, async_iterator_trait, Target::Trait, GenericRequirement::Exact(0); CoroutineState, sym::coroutine_state, coroutine_state, Target::Enum, GenericRequirement::None; - Coroutine, sym::coroutine, coroutine_trait, Target::Trait, GenericRequirement::Minimum(1); + Coroutine, sym::coroutine, coroutine_trait, Target::Trait, GenericRequirement::Exact(1); + CoroutineReturn, sym::coroutine_return, coroutine_return, Target::AssocTy, GenericRequirement::Exact(1); + CoroutineYield, sym::coroutine_yield, coroutine_yield, Target::AssocTy, GenericRequirement::Exact(1); CoroutineResume, sym::coroutine_resume, coroutine_resume, Target::Method(MethodKind::Trait { body: false }), GenericRequirement::None; Unpin, sym::unpin, unpin_trait, Target::Trait, GenericRequirement::None; diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index e245dfb9f5d7..c89323b7f169 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -635,7 +635,9 @@ symbols! { coroutine, coroutine_clone, coroutine_resume, + coroutine_return, coroutine_state, + coroutine_yield, coroutines, cosf128, cosf16, diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs b/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs index 787f08a084ee..50253d815283 100644 --- a/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs @@ -17,7 +17,7 @@ use rustc_middle::ty::NormalizesTo; use rustc_middle::ty::{self, Ty, TyCtxt}; use rustc_middle::ty::{TypeVisitableExt, Upcast}; use rustc_middle::{bug, span_bug}; -use rustc_span::{sym, ErrorGuaranteed, DUMMY_SP}; +use rustc_span::{ErrorGuaranteed, DUMMY_SP}; mod anon_const; mod inherent; @@ -719,13 +719,16 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { let coroutine = args.as_coroutine(); - let name = tcx.associated_item(goal.predicate.def_id()).name; - let term = if name == sym::Return { + let lang_items = tcx.lang_items(); + let term = if Some(goal.predicate.def_id()) == lang_items.coroutine_return() { coroutine.return_ty().into() - } else if name == sym::Yield { + } else if Some(goal.predicate.def_id()) == lang_items.coroutine_yield() { coroutine.yield_ty().into() } else { - bug!("unexpected associated item `<{self_ty} as Coroutine>::{name}`") + bug!( + "unexpected associated item `<{self_ty} as Coroutine>::{}`", + tcx.item_name(goal.predicate.def_id()) + ) }; Self::probe_and_consider_implied_clause( diff --git a/compiler/rustc_trait_selection/src/traits/project.rs b/compiler/rustc_trait_selection/src/traits/project.rs index 2c9cb79664b3..32409e13842e 100644 --- a/compiler/rustc_trait_selection/src/traits/project.rs +++ b/compiler/rustc_trait_selection/src/traits/project.rs @@ -1373,15 +1373,16 @@ fn confirm_coroutine_candidate<'cx, 'tcx>( coroutine_sig, ); - let name = tcx.associated_item(obligation.predicate.def_id).name; - let ty = if name == sym::Return { + let lang_items = tcx.lang_items(); + let ty = if Some(obligation.predicate.def_id) == lang_items.coroutine_return() { return_ty - } else if name == sym::Yield { + } else if Some(obligation.predicate.def_id) == lang_items.coroutine_yield() { yield_ty } else { span_bug!( tcx.def_span(obligation.predicate.def_id), - "unexpected associated type: `Coroutine::{name}`" + "unexpected associated type: `Coroutine::{}`", + tcx.item_name(obligation.predicate.def_id), ); }; diff --git a/library/core/src/ops/coroutine.rs b/library/core/src/ops/coroutine.rs index 6a6c5db1ab11..753f14c6b85e 100644 --- a/library/core/src/ops/coroutine.rs +++ b/library/core/src/ops/coroutine.rs @@ -76,6 +76,7 @@ pub trait Coroutine { /// values which are allowed to be returned each time a coroutine yields. /// For example an iterator-as-a-coroutine would likely have this type as /// `T`, the type being iterated over. + #[cfg_attr(not(bootstrap), lang = "coroutine_yield")] type Yield; /// The type of value this coroutine returns. @@ -84,6 +85,7 @@ pub trait Coroutine { /// `return` statement or implicitly as the last expression of a coroutine /// literal. For example futures would use this as `Result` as it /// represents a completed future. + #[cfg_attr(not(bootstrap), lang = "coroutine_return")] type Return; /// Resumes the execution of this coroutine. From b79360ad16cf845d3beda5048f96d4460bd81b27 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Wed, 29 May 2024 20:15:56 -0400 Subject: [PATCH 1486/1716] Rework most of structural_traits to be Interner-agnostic --- compiler/rustc_infer/src/infer/mod.rs | 21 +- compiler/rustc_middle/src/ty/adt.rs | 17 ++ compiler/rustc_middle/src/ty/context.rs | 53 ++++- compiler/rustc_middle/src/ty/generic_args.rs | 2 + compiler/rustc_middle/src/ty/mod.rs | 2 + compiler/rustc_middle/src/ty/sty.rs | 4 + .../src/solve/assembly/structural_traits.rs | 217 +++++++++--------- compiler/rustc_type_ir/src/infcx.rs | 41 +++- compiler/rustc_type_ir/src/inherent.rs | 78 ++++++- compiler/rustc_type_ir/src/interner.rs | 52 +++-- 10 files changed, 349 insertions(+), 138 deletions(-) diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs index 32b50053b507..46f18bd77a0e 100644 --- a/compiler/rustc_infer/src/infer/mod.rs +++ b/compiler/rustc_infer/src/infer/mod.rs @@ -44,7 +44,7 @@ use rustc_middle::ty::{ConstVid, EffectVid, FloatVid, IntVid, TyVid}; use rustc_middle::ty::{GenericArg, GenericArgKind, GenericArgs, GenericArgsRef}; use rustc_middle::{bug, span_bug}; use rustc_span::symbol::Symbol; -use rustc_span::Span; +use rustc_span::{Span, DUMMY_SP}; use snapshot::undo_log::InferCtxtUndoLogs; use std::cell::{Cell, RefCell}; use std::fmt; @@ -405,6 +405,25 @@ impl<'tcx> ty::InferCtxtLike for InferCtxt<'tcx> { } } } + + fn instantiate_binder_with_infer + Copy>( + &self, + value: ty::Binder<'tcx, T>, + ) -> T { + self.instantiate_binder_with_fresh_vars( + DUMMY_SP, + BoundRegionConversionTime::HigherRankedType, + value, + ) + } + + fn enter_forall + Copy, U>( + &self, + value: ty::Binder<'tcx, T>, + f: impl FnOnce(T) -> U, + ) -> U { + self.enter_forall(value, f) + } } /// See the `error_reporting` module for more details. diff --git a/compiler/rustc_middle/src/ty/adt.rs b/compiler/rustc_middle/src/ty/adt.rs index 886dbd317afa..a89ebe46c374 100644 --- a/compiler/rustc_middle/src/ty/adt.rs +++ b/compiler/rustc_middle/src/ty/adt.rs @@ -204,6 +204,23 @@ impl<'tcx> rustc_type_ir::inherent::AdtDef> for AdtDef<'tcx> { fn def_id(self) -> DefId { self.did() } + + fn is_phantom_data(self) -> bool { + self.is_phantom_data() + } + + fn all_field_tys( + self, + tcx: TyCtxt<'tcx>, + ) -> ty::EarlyBinder<'tcx, impl Iterator>> { + ty::EarlyBinder::bind( + self.all_fields().map(move |field| tcx.type_of(field.did).skip_binder()), + ) + } + + fn sized_constraint(self, tcx: TyCtxt<'tcx>) -> Option>> { + self.sized_constraint(tcx) + } } #[derive(Copy, Clone, Debug, Eq, PartialEq, HashStable, TyEncodable, TyDecodable)] diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index 65d744239a6a..98c60ffee125 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -154,7 +154,7 @@ impl<'tcx> Interner for TyCtxt<'tcx> { type VariancesOf = &'tcx [ty::Variance]; - fn variances_of(self, def_id: Self::DefId) -> Self::VariancesOf { + fn variances_of(self, def_id: DefId) -> Self::VariancesOf { self.variances_of(def_id) } @@ -198,7 +198,7 @@ impl<'tcx> Interner for TyCtxt<'tcx> { fn trait_ref_and_own_args_for_alias( self, - def_id: Self::DefId, + def_id: DefId, args: Self::GenericArgs, ) -> (rustc_type_ir::TraitRef, Self::GenericArgsSlice) { assert_matches!(self.def_kind(def_id), DefKind::AssocTy | DefKind::AssocConst); @@ -246,7 +246,7 @@ impl<'tcx> Interner for TyCtxt<'tcx> { self.mk_type_list_from_iter(args) } - fn parent(self, def_id: Self::DefId) -> Self::DefId { + fn parent(self, def_id: DefId) -> DefId { self.parent(def_id) } @@ -259,6 +259,49 @@ impl<'tcx> Interner for TyCtxt<'tcx> { fn features(self) -> Self::Features { self.features() } + + fn bound_coroutine_hidden_types( + self, + def_id: DefId, + ) -> impl Iterator>>> { + self.bound_coroutine_hidden_types(def_id) + } + + fn fn_sig(self, def_id: DefId) -> ty::EarlyBinder<'tcx, ty::PolyFnSig<'tcx>> { + self.fn_sig(def_id) + } + + fn coroutine_movability(self, def_id: DefId) -> rustc_ast::Movability { + self.coroutine_movability(def_id) + } + + fn coroutine_for_closure(self, def_id: DefId) -> DefId { + self.coroutine_for_closure(def_id) + } + + fn generics_require_sized_self(self, def_id: DefId) -> bool { + self.generics_require_sized_self(def_id) + } + + fn item_bounds( + self, + def_id: DefId, + ) -> ty::EarlyBinder<'tcx, impl Iterator>> { + self.item_bounds(def_id).map_bound(IntoIterator::into_iter) + } + + fn super_predicates_of( + self, + def_id: DefId, + ) -> ty::EarlyBinder<'tcx, impl Iterator>> { + ty::EarlyBinder::bind( + self.super_predicates_of(def_id).instantiate_identity(self).predicates.into_iter(), + ) + } + + fn has_target_features(self, def_id: DefId) -> bool { + !self.codegen_fn_attrs(def_id).target_features.is_empty() + } } impl<'tcx> rustc_type_ir::inherent::Abi> for abi::Abi { @@ -281,6 +324,10 @@ impl<'tcx> rustc_type_ir::inherent::Features> for &'tcx rustc_featu fn generic_const_exprs(self) -> bool { self.generic_const_exprs } + + fn coroutine_clone(self) -> bool { + self.coroutine_clone + } } type InternedSet<'tcx, T> = ShardedHashMap, ()>; diff --git a/compiler/rustc_middle/src/ty/generic_args.rs b/compiler/rustc_middle/src/ty/generic_args.rs index 7fff3d013249..54c88e48614b 100644 --- a/compiler/rustc_middle/src/ty/generic_args.rs +++ b/compiler/rustc_middle/src/ty/generic_args.rs @@ -41,6 +41,8 @@ pub struct GenericArg<'tcx> { marker: PhantomData<(Ty<'tcx>, ty::Region<'tcx>, ty::Const<'tcx>)>, } +impl<'tcx> rustc_type_ir::inherent::GenericArg> for GenericArg<'tcx> {} + impl<'tcx> rustc_type_ir::inherent::GenericArgs> for ty::GenericArgsRef<'tcx> { fn type_at(self, i: usize) -> Ty<'tcx> { self.type_at(i) diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs index 83f8de6b6f93..c322c87bce4a 100644 --- a/compiler/rustc_middle/src/ty/mod.rs +++ b/compiler/rustc_middle/src/ty/mod.rs @@ -488,6 +488,8 @@ pub struct Term<'tcx> { marker: PhantomData<(Ty<'tcx>, Const<'tcx>)>, } +impl<'tcx> rustc_type_ir::inherent::Term> for Term<'tcx> {} + impl<'tcx> rustc_type_ir::inherent::IntoKind for Term<'tcx> { type Kind = TermKind<'tcx>; diff --git a/compiler/rustc_middle/src/ty/sty.rs b/compiler/rustc_middle/src/ty/sty.rs index ba9ed0d5b70a..8308e537e5ed 100644 --- a/compiler/rustc_middle/src/ty/sty.rs +++ b/compiler/rustc_middle/src/ty/sty.rs @@ -786,6 +786,10 @@ impl<'tcx> rustc_type_ir::inherent::Ty> for Ty<'tcx> { tcx.types.bool } + fn new_u8(tcx: TyCtxt<'tcx>) -> Self { + tcx.types.u8 + } + fn new_infer(tcx: TyCtxt<'tcx>, infer: ty::InferTy) -> Self { Ty::new_infer(tcx, infer) } diff --git a/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs b/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs index 98f98d9992d3..c90b458d7b1a 100644 --- a/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs +++ b/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs @@ -1,14 +1,13 @@ //! Code which is used by built-in goals that match "structurally", such a auto //! traits, `Copy`/`Clone`. + +use rustc_ast_ir::{Movability, Mutability}; use rustc_data_structures::fx::FxHashMap; -use rustc_hir::LangItem; -use rustc_hir::{def_id::DefId, Movability, Mutability}; -use rustc_infer::infer::InferCtxt; -use rustc_infer::traits::query::NoSolution; -use rustc_macros::{TypeFoldable, TypeVisitable}; -use rustc_middle::bug; -use rustc_middle::traits::solve::Goal; -use rustc_middle::ty::{self, Ty, TyCtxt, TypeFoldable, TypeFolder, TypeSuperFoldable, Upcast}; +use rustc_next_trait_solver::solve::{Goal, NoSolution}; +use rustc_type_ir::fold::{TypeFoldable, TypeFolder, TypeSuperFoldable}; +use rustc_type_ir::inherent::*; +use rustc_type_ir::{self as ty, InferCtxtLike, Interner, Upcast}; +use rustc_type_ir_macros::{TypeFoldable_Generic, TypeVisitable_Generic}; use crate::solve::EvalCtxt; @@ -17,12 +16,15 @@ use crate::solve::EvalCtxt; // For types with an "existential" binder, i.e. coroutine witnesses, we also // instantiate the binder with placeholders eagerly. #[instrument(level = "trace", skip(ecx), ret)] -pub(in crate::solve) fn instantiate_constituent_tys_for_auto_trait<'tcx>( - ecx: &EvalCtxt<'_, InferCtxt<'tcx>>, - ty: Ty<'tcx>, -) -> Result>>, NoSolution> { +pub(in crate::solve) fn instantiate_constituent_tys_for_auto_trait< + Infcx: InferCtxtLike, + I: Interner, +>( + ecx: &EvalCtxt<'_, Infcx>, + ty: I::Ty, +) -> Result>, NoSolution> { let tcx = ecx.interner(); - match *ty.kind() { + match ty.kind() { ty::Uint(_) | ty::Int(_) | ty::Bool @@ -34,7 +36,7 @@ pub(in crate::solve) fn instantiate_constituent_tys_for_auto_trait<'tcx>( | ty::Char => Ok(vec![]), // Treat `str` like it's defined as `struct str([u8]);` - ty::Str => Ok(vec![ty::Binder::dummy(Ty::new_slice(tcx, tcx.types.u8))]), + ty::Str => Ok(vec![ty::Binder::dummy(Ty::new_slice(tcx, Ty::new_u8(tcx)))]), ty::Dynamic(..) | ty::Param(..) @@ -43,7 +45,7 @@ pub(in crate::solve) fn instantiate_constituent_tys_for_auto_trait<'tcx>( | ty::Placeholder(..) | ty::Bound(..) | ty::Infer(_) => { - bug!("unexpected type `{ty}`") + panic!("unexpected type `{ty:?}`") } ty::RawPtr(element_ty, _) | ty::Ref(_, element_ty, _) => { @@ -56,7 +58,7 @@ pub(in crate::solve) fn instantiate_constituent_tys_for_auto_trait<'tcx>( ty::Tuple(tys) => { // (T1, ..., Tn) -- meets any bound that all of T1...Tn meet - Ok(tys.iter().map(ty::Binder::dummy).collect()) + Ok(tys.into_iter().map(ty::Binder::dummy).collect()) } ty::Closure(_, args) => Ok(vec![ty::Binder::dummy(args.as_closure().tupled_upvars_ty())]), @@ -76,31 +78,36 @@ pub(in crate::solve) fn instantiate_constituent_tys_for_auto_trait<'tcx>( ty::CoroutineWitness(def_id, args) => Ok(ecx .interner() .bound_coroutine_hidden_types(def_id) - .map(|bty| bty.instantiate(tcx, args)) + .map(|bty| bty.instantiate(tcx, &args)) .collect()), // For `PhantomData`, we pass `T`. ty::Adt(def, args) if def.is_phantom_data() => Ok(vec![ty::Binder::dummy(args.type_at(0))]), - ty::Adt(def, args) => { - Ok(def.all_fields().map(|f| ty::Binder::dummy(f.ty(tcx, args))).collect()) - } + ty::Adt(def, args) => Ok(def + .all_field_tys(tcx) + .iter_instantiated(tcx, &args) + .map(ty::Binder::dummy) + .collect()), ty::Alias(ty::Opaque, ty::AliasTy { def_id, args, .. }) => { // We can resolve the `impl Trait` to its concrete type, // which enforces a DAG between the functions requiring // the auto trait bounds in question. - Ok(vec![ty::Binder::dummy(tcx.type_of(def_id).instantiate(tcx, args))]) + Ok(vec![ty::Binder::dummy(tcx.type_of(def_id).instantiate(tcx, &args))]) } } } #[instrument(level = "trace", skip(ecx), ret)] -pub(in crate::solve) fn instantiate_constituent_tys_for_sized_trait<'tcx>( - ecx: &EvalCtxt<'_, InferCtxt<'tcx>>, - ty: Ty<'tcx>, -) -> Result>>, NoSolution> { - match *ty.kind() { +pub(in crate::solve) fn instantiate_constituent_tys_for_sized_trait< + Infcx: InferCtxtLike, + I: Interner, +>( + ecx: &EvalCtxt<'_, Infcx>, + ty: I::Ty, +) -> Result>, NoSolution> { + match ty.kind() { // impl Sized for u*, i*, bool, f*, FnDef, FnPtr, *(const/mut) T, char, &mut? T, [T; N], dyn* Trait, ! // impl Sized for Coroutine, CoroutineWitness, Closure, CoroutineClosure ty::Infer(ty::IntVar(_) | ty::FloatVar(_)) @@ -133,7 +140,7 @@ pub(in crate::solve) fn instantiate_constituent_tys_for_sized_trait<'tcx>( ty::Bound(..) | ty::Infer(ty::TyVar(_) | ty::FreshTy(_) | ty::FreshIntTy(_) | ty::FreshFloatTy(_)) => { - bug!("unexpected type `{ty}`") + panic!("unexpected type `{ty:?}`") } // impl Sized for () @@ -151,7 +158,7 @@ pub(in crate::solve) fn instantiate_constituent_tys_for_sized_trait<'tcx>( // if the ADT is sized for all possible args. ty::Adt(def, args) => { if let Some(sized_crit) = def.sized_constraint(ecx.interner()) { - Ok(vec![ty::Binder::dummy(sized_crit.instantiate(ecx.interner(), args))]) + Ok(vec![ty::Binder::dummy(sized_crit.instantiate(ecx.interner(), &args))]) } else { Ok(vec![]) } @@ -160,11 +167,14 @@ pub(in crate::solve) fn instantiate_constituent_tys_for_sized_trait<'tcx>( } #[instrument(level = "trace", skip(ecx), ret)] -pub(in crate::solve) fn instantiate_constituent_tys_for_copy_clone_trait<'tcx>( - ecx: &EvalCtxt<'_, InferCtxt<'tcx>>, - ty: Ty<'tcx>, -) -> Result>>, NoSolution> { - match *ty.kind() { +pub(in crate::solve) fn instantiate_constituent_tys_for_copy_clone_trait< + Infcx: InferCtxtLike, + I: Interner, +>( + ecx: &EvalCtxt<'_, Infcx>, + ty: I::Ty, +) -> Result>, NoSolution> { + match ty.kind() { // impl Copy/Clone for FnDef, FnPtr ty::FnDef(..) | ty::FnPtr(_) | ty::Error(_) => Ok(vec![]), @@ -196,11 +206,11 @@ pub(in crate::solve) fn instantiate_constituent_tys_for_copy_clone_trait<'tcx>( ty::Bound(..) | ty::Infer(ty::TyVar(_) | ty::FreshTy(_) | ty::FreshIntTy(_) | ty::FreshFloatTy(_)) => { - bug!("unexpected type `{ty}`") + panic!("unexpected type `{ty:?}`") } // impl Copy/Clone for (T1, T2, .., Tn) where T1: Copy/Clone, T2: Copy/Clone, .. Tn: Copy/Clone - ty::Tuple(tys) => Ok(tys.iter().map(ty::Binder::dummy).collect()), + ty::Tuple(tys) => Ok(tys.into_iter().map(ty::Binder::dummy).collect()), // impl Copy/Clone for Closure where Self::TupledUpvars: Copy/Clone ty::Closure(_, args) => Ok(vec![ty::Binder::dummy(args.as_closure().tupled_upvars_ty())]), @@ -212,7 +222,7 @@ pub(in crate::solve) fn instantiate_constituent_tys_for_copy_clone_trait<'tcx>( ty::Coroutine(def_id, args) => match ecx.interner().coroutine_movability(def_id) { Movability::Static => Err(NoSolution), Movability::Movable => { - if ecx.interner().features().coroutine_clone { + if ecx.interner().features().coroutine_clone() { let coroutine = args.as_coroutine(); Ok(vec![ ty::Binder::dummy(coroutine.tupled_upvars_ty()), @@ -228,27 +238,25 @@ pub(in crate::solve) fn instantiate_constituent_tys_for_copy_clone_trait<'tcx>( ty::CoroutineWitness(def_id, args) => Ok(ecx .interner() .bound_coroutine_hidden_types(def_id) - .map(|bty| bty.instantiate(ecx.interner(), args)) + .map(|bty| bty.instantiate(ecx.interner(), &args)) .collect()), } } // Returns a binder of the tupled inputs types and output type from a builtin callable type. -pub(in crate::solve) fn extract_tupled_inputs_and_output_from_callable<'tcx>( - tcx: TyCtxt<'tcx>, - self_ty: Ty<'tcx>, +pub(in crate::solve) fn extract_tupled_inputs_and_output_from_callable( + tcx: I, + self_ty: I::Ty, goal_kind: ty::ClosureKind, -) -> Result, Ty<'tcx>)>>, NoSolution> { - match *self_ty.kind() { +) -> Result>, NoSolution> { + match self_ty.kind() { // keep this in sync with assemble_fn_pointer_candidates until the old solver is removed. ty::FnDef(def_id, args) => { let sig = tcx.fn_sig(def_id); - if sig.skip_binder().is_fn_trait_compatible() - && tcx.codegen_fn_attrs(def_id).target_features.is_empty() - { + if sig.skip_binder().is_fn_trait_compatible() && !tcx.has_target_features(def_id) { Ok(Some( - sig.instantiate(tcx, args) - .map_bound(|sig| (Ty::new_tup(tcx, sig.inputs()), sig.output())), + sig.instantiate(tcx, &args) + .map_bound(|sig| (Ty::new_tup(tcx, &sig.inputs()), sig.output())), )) } else { Err(NoSolution) @@ -257,7 +265,7 @@ pub(in crate::solve) fn extract_tupled_inputs_and_output_from_callable<'tcx>( // keep this in sync with assemble_fn_pointer_candidates until the old solver is removed. ty::FnPtr(sig) => { if sig.is_fn_trait_compatible() { - Ok(Some(sig.map_bound(|sig| (Ty::new_tup(tcx, sig.inputs()), sig.output())))) + Ok(Some(sig.map_bound(|sig| (Ty::new_tup(tcx, &sig.inputs()), sig.output())))) } else { Err(NoSolution) } @@ -311,7 +319,7 @@ pub(in crate::solve) fn extract_tupled_inputs_and_output_from_callable<'tcx>( tcx, goal_kind, // No captures by ref, so this doesn't matter. - tcx.lifetimes.re_static, + Region::new_static(tcx), def_id, args, sig, @@ -326,7 +334,7 @@ pub(in crate::solve) fn extract_tupled_inputs_and_output_from_callable<'tcx>( coroutine_closure_to_ambiguous_coroutine( tcx, goal_kind, // No captures by ref, so this doesn't matter. - tcx.lifetimes.re_static, + Region::new_static(tcx), def_id, args, sig, @@ -362,22 +370,24 @@ pub(in crate::solve) fn extract_tupled_inputs_and_output_from_callable<'tcx>( ty::Bound(..) | ty::Infer(ty::TyVar(_) | ty::FreshTy(_) | ty::FreshIntTy(_) | ty::FreshFloatTy(_)) => { - bug!("unexpected type `{self_ty}`") + panic!("unexpected type `{self_ty:?}`") } } } /// Relevant types for an async callable, including its inputs, output, /// and the return type you get from awaiting the output. -#[derive(Copy, Clone, Debug, TypeVisitable, TypeFoldable)] -pub(in crate::solve) struct AsyncCallableRelevantTypes<'tcx> { - pub tupled_inputs_ty: Ty<'tcx>, +#[derive(derivative::Derivative)] +#[derivative(Clone(bound = ""), Copy(bound = ""), Debug(bound = ""))] +#[derive(TypeVisitable_Generic, TypeFoldable_Generic)] +pub(in crate::solve) struct AsyncCallableRelevantTypes { + pub tupled_inputs_ty: I::Ty, /// Type returned by calling the closure /// i.e. `f()`. - pub output_coroutine_ty: Ty<'tcx>, + pub output_coroutine_ty: I::Ty, /// Type returned by `await`ing the output /// i.e. `f().await`. - pub coroutine_return_ty: Ty<'tcx>, + pub coroutine_return_ty: I::Ty, } // Returns a binder of the tupled inputs types, output type, and coroutine type @@ -385,16 +395,13 @@ pub(in crate::solve) struct AsyncCallableRelevantTypes<'tcx> { // the coroutine-closure, emit an additional trait predicate for `AsyncFnKindHelper` // which enforces the closure is actually callable with the given trait. When we // know the kind already, we can short-circuit this check. -pub(in crate::solve) fn extract_tupled_inputs_and_output_from_async_callable<'tcx>( - tcx: TyCtxt<'tcx>, - self_ty: Ty<'tcx>, +pub(in crate::solve) fn extract_tupled_inputs_and_output_from_async_callable( + tcx: I, + self_ty: I::Ty, goal_kind: ty::ClosureKind, - env_region: ty::Region<'tcx>, -) -> Result< - (ty::Binder<'tcx, AsyncCallableRelevantTypes<'tcx>>, Vec>), - NoSolution, -> { - match *self_ty.kind() { + env_region: I::Region, +) -> Result<(ty::Binder>, Vec), NoSolution> { + match self_ty.kind() { ty::CoroutineClosure(def_id, args) => { let args = args.as_coroutine_closure(); let kind_ty = args.kind_ty(); @@ -457,7 +464,7 @@ pub(in crate::solve) fn extract_tupled_inputs_and_output_from_async_callable<'tc let future_output_ty = Ty::new_projection(tcx, future_output_def_id, [sig.output()]); Ok(( bound_sig.rebind(AsyncCallableRelevantTypes { - tupled_inputs_ty: Ty::new_tup(tcx, sig.inputs()), + tupled_inputs_ty: Ty::new_tup(tcx, &sig.inputs()), output_coroutine_ty: sig.output(), coroutine_return_ty: future_output_ty, }), @@ -542,21 +549,21 @@ pub(in crate::solve) fn extract_tupled_inputs_and_output_from_async_callable<'tc ty::Bound(..) | ty::Infer(ty::TyVar(_) | ty::FreshTy(_) | ty::FreshIntTy(_) | ty::FreshFloatTy(_)) => { - bug!("unexpected type `{self_ty}`") + panic!("unexpected type `{self_ty:?}`") } } } /// Given a coroutine-closure, project to its returned coroutine when we are *certain* /// that the closure's kind is compatible with the goal. -fn coroutine_closure_to_certain_coroutine<'tcx>( - tcx: TyCtxt<'tcx>, +fn coroutine_closure_to_certain_coroutine( + tcx: I, goal_kind: ty::ClosureKind, - goal_region: ty::Region<'tcx>, - def_id: DefId, - args: ty::CoroutineClosureArgs>, - sig: ty::CoroutineClosureSignature>, -) -> Ty<'tcx> { + goal_region: I::Region, + def_id: I::DefId, + args: ty::CoroutineClosureArgs, + sig: ty::CoroutineClosureSignature, +) -> I::Ty { sig.to_coroutine_given_kind_and_upvars( tcx, args.parent_args(), @@ -573,20 +580,20 @@ fn coroutine_closure_to_certain_coroutine<'tcx>( /// yet what the closure's upvars are. /// /// Note that we do not also push a `AsyncFnKindHelper` goal here. -fn coroutine_closure_to_ambiguous_coroutine<'tcx>( - tcx: TyCtxt<'tcx>, +fn coroutine_closure_to_ambiguous_coroutine( + tcx: I, goal_kind: ty::ClosureKind, - goal_region: ty::Region<'tcx>, - def_id: DefId, - args: ty::CoroutineClosureArgs>, - sig: ty::CoroutineClosureSignature>, -) -> Ty<'tcx> { + goal_region: I::Region, + def_id: I::DefId, + args: ty::CoroutineClosureArgs, + sig: ty::CoroutineClosureSignature, +) -> I::Ty { let upvars_projection_def_id = tcx.require_lang_item(LangItem::AsyncFnKindUpvars, None); let tupled_upvars_ty = Ty::new_projection( tcx, upvars_projection_def_id, [ - ty::GenericArg::from(args.kind_ty()), + I::GenericArg::from(args.kind_ty()), Ty::from_closure_kind(tcx, goal_kind).into(), goal_region.into(), sig.tupled_inputs_ty.into(), @@ -643,17 +650,19 @@ fn coroutine_closure_to_ambiguous_coroutine<'tcx>( // This is unsound in general and once that is fixed, we don't need to // normalize eagerly here. See https://github.com/lcnr/solver-woes/issues/9 // for more details. -pub(in crate::solve) fn predicates_for_object_candidate<'tcx>( - ecx: &EvalCtxt<'_, InferCtxt<'tcx>>, - param_env: ty::ParamEnv<'tcx>, - trait_ref: ty::TraitRef<'tcx>, - object_bound: &'tcx ty::List>, -) -> Vec>> { +pub(in crate::solve) fn predicates_for_object_candidate< + Infcx: InferCtxtLike, + I: Interner, +>( + ecx: &EvalCtxt<'_, Infcx>, + param_env: I::ParamEnv, + trait_ref: ty::TraitRef, + object_bounds: I::BoundExistentialPredicates, +) -> Vec> { let tcx = ecx.interner(); let mut requirements = vec![]; - requirements.extend( - tcx.super_predicates_of(trait_ref.def_id).instantiate(tcx, trait_ref.args).predicates, - ); + requirements + .extend(tcx.super_predicates_of(trait_ref.def_id).iter_instantiated(tcx, &trait_ref.args)); for item in tcx.associated_items(trait_ref.def_id).in_definition_order() { // FIXME(associated_const_equality): Also add associated consts to // the requirements here. @@ -665,19 +674,19 @@ pub(in crate::solve) fn predicates_for_object_candidate<'tcx>( } requirements - .extend(tcx.item_bounds(item.def_id).iter_instantiated(tcx, trait_ref.args)); + .extend(tcx.item_bounds(item.def_id).iter_instantiated(tcx, &trait_ref.args)); } } let mut replace_projection_with = FxHashMap::default(); - for bound in object_bound { + for bound in object_bounds { if let ty::ExistentialPredicate::Projection(proj) = bound.skip_binder() { let proj = proj.with_self_ty(tcx, trait_ref.self_ty()); let old_ty = replace_projection_with.insert(proj.def_id(), bound.rebind(proj)); assert_eq!( old_ty, None, - "{} has two generic parameters: {} and {}", + "{:?} has two generic parameters: {:?} and {:?}", proj.projection_term, proj.term, old_ty.unwrap() @@ -696,20 +705,22 @@ pub(in crate::solve) fn predicates_for_object_candidate<'tcx>( .collect() } -struct ReplaceProjectionWith<'a, 'tcx> { - ecx: &'a EvalCtxt<'a, InferCtxt<'tcx>>, - param_env: ty::ParamEnv<'tcx>, - mapping: FxHashMap>, - nested: Vec>>, +struct ReplaceProjectionWith<'a, Infcx: InferCtxtLike, I: Interner> { + ecx: &'a EvalCtxt<'a, Infcx>, + param_env: I::ParamEnv, + mapping: FxHashMap>>, + nested: Vec>, } -impl<'tcx> TypeFolder> for ReplaceProjectionWith<'_, 'tcx> { - fn interner(&self) -> TyCtxt<'tcx> { +impl, I: Interner> TypeFolder + for ReplaceProjectionWith<'_, Infcx, I> +{ + fn interner(&self) -> I { self.ecx.interner() } - fn fold_ty(&mut self, ty: Ty<'tcx>) -> Ty<'tcx> { - if let ty::Alias(ty::Projection, alias_ty) = *ty.kind() + fn fold_ty(&mut self, ty: I::Ty) -> I::Ty { + if let ty::Alias(ty::Projection, alias_ty) = ty.kind() && let Some(replacement) = self.mapping.get(&alias_ty.def_id) { // We may have a case where our object type's projection bound is higher-ranked, diff --git a/compiler/rustc_type_ir/src/infcx.rs b/compiler/rustc_type_ir/src/infcx.rs index 24e10722448c..680e9e961d17 100644 --- a/compiler/rustc_type_ir/src/infcx.rs +++ b/compiler/rustc_type_ir/src/infcx.rs @@ -1,23 +1,44 @@ -use crate::{ConstVid, EffectVid, FloatVid, IntVid, Interner, RegionVid, TyVid, UniverseIndex}; +use crate::fold::TypeFoldable; +use crate::{self as ty, Interner}; pub trait InferCtxtLike { type Interner: Interner; fn interner(&self) -> Self::Interner; - fn universe_of_ty(&self, ty: TyVid) -> Option; - fn universe_of_lt(&self, lt: RegionVid) -> Option; - fn universe_of_ct(&self, ct: ConstVid) -> Option; + fn universe_of_ty(&self, ty: ty::TyVid) -> Option; + fn universe_of_lt(&self, lt: ty::RegionVid) -> Option; + fn universe_of_ct(&self, ct: ty::ConstVid) -> Option; - fn opportunistic_resolve_ty_var(&self, vid: TyVid) -> ::Ty; - fn opportunistic_resolve_int_var(&self, vid: IntVid) -> ::Ty; - fn opportunistic_resolve_float_var(&self, vid: FloatVid) -> ::Ty; - fn opportunistic_resolve_ct_var(&self, vid: ConstVid) -> ::Const; + fn opportunistic_resolve_ty_var(&self, vid: ty::TyVid) -> ::Ty; + fn opportunistic_resolve_int_var(&self, vid: ty::IntVid) -> ::Ty; + fn opportunistic_resolve_float_var( + &self, + vid: ty::FloatVid, + ) -> ::Ty; + fn opportunistic_resolve_ct_var( + &self, + vid: ty::ConstVid, + ) -> ::Const; fn opportunistic_resolve_effect_var( &self, - vid: EffectVid, + vid: ty::EffectVid, ) -> ::Const; - fn opportunistic_resolve_lt_var(&self, vid: RegionVid) -> ::Region; + fn opportunistic_resolve_lt_var( + &self, + vid: ty::RegionVid, + ) -> ::Region; fn defining_opaque_types(&self) -> ::DefiningOpaqueTypes; + + fn instantiate_binder_with_infer + Copy>( + &self, + value: ty::Binder, + ) -> T; + + fn enter_forall + Copy, U>( + &self, + value: ty::Binder, + f: impl FnOnce(T) -> U, + ) -> U; } diff --git a/compiler/rustc_type_ir/src/inherent.rs b/compiler/rustc_type_ir/src/inherent.rs index 2fc765f1c8fa..bd88c4291e20 100644 --- a/compiler/rustc_type_ir/src/inherent.rs +++ b/compiler/rustc_type_ir/src/inherent.rs @@ -29,6 +29,8 @@ pub trait Ty>: { fn new_bool(interner: I) -> Self; + fn new_u8(interner: I) -> Self; + fn new_infer(interner: I, var: ty::InferTy) -> Self; fn new_var(interner: I, var: ty::TyVid) -> Self; @@ -39,6 +41,18 @@ pub trait Ty>: fn new_alias(interner: I, kind: ty::AliasTyKind, alias_ty: ty::AliasTy) -> Self; + fn new_projection( + interner: I, + def_id: I::DefId, + args: impl IntoIterator>, + ) -> Self { + Ty::new_alias( + interner, + ty::AliasTyKind::Projection, + ty::AliasTy::new(interner, def_id, args), + ) + } + fn new_error(interner: I, guar: I::ErrorGuaranteed) -> Self; fn new_adt(interner: I, adt_def: I::AdtDef, args: I::GenericArgs) -> Self; @@ -75,6 +89,12 @@ pub trait Ty>: It: Iterator, T: CollectAndApply; + fn new_fn_def(interner: I, def_id: I::DefId, args: I::GenericArgs) -> Self; + + fn new_fn_ptr(interner: I, sig: ty::Binder>) -> Self; + + fn new_pat(interner: I, ty: Self, pat: I::Pat) -> Self; + fn tuple_fields(self) -> I::Tys; fn to_opt_closure_kind(self) -> Option; @@ -83,11 +103,17 @@ pub trait Ty>: fn from_coroutine_closure_kind(interner: I, kind: ty::ClosureKind) -> Self; - fn new_fn_def(interner: I, def_id: I::DefId, args: I::GenericArgs) -> Self; + fn is_ty_var(self) -> bool { + matches!(self.kind(), ty::Infer(ty::TyVar(_))) + } - fn new_fn_ptr(interner: I, sig: ty::Binder>) -> Self; - - fn new_pat(interner: I, ty: Self, pat: I::Pat) -> Self; + fn fn_sig(self, interner: I) -> ty::Binder> { + match self.kind() { + ty::FnPtr(sig) => sig, + ty::FnDef(def_id, args) => interner.fn_sig(def_id).instantiate(interner, &args), + _ => todo!("TODO:"), + } + } } pub trait Tys>: @@ -122,7 +148,6 @@ pub trait Region>: + Into + IntoKind> + Flags - + TypeVisitable + Relate { fn new_bound(interner: I, debruijn: ty::DebruijnIndex, var: I::BoundRegion) -> Self; @@ -164,6 +189,25 @@ pub trait GenericsOf> { fn count(&self) -> usize; } +pub trait GenericArg>: + Copy + + Debug + + Hash + + Eq + + IntoKind> + + TypeVisitable + + Relate + + From + + From + + From +{ +} + +pub trait Term>: + Copy + Debug + Hash + Eq + IntoKind> + TypeFoldable + Relate +{ +} + pub trait GenericArgs>: Copy + Debug @@ -172,7 +216,6 @@ pub trait GenericArgs>: + IntoIterator + Deref> + Default - + TypeFoldable + Relate { fn type_at(self, i: usize) -> I::Ty; @@ -188,6 +231,16 @@ pub trait GenericArgs>: fn split_closure_args(self) -> ty::ClosureArgsParts; fn split_coroutine_closure_args(self) -> ty::CoroutineClosureArgsParts; fn split_coroutine_args(self) -> ty::CoroutineArgsParts; + + fn as_closure(self) -> ty::ClosureArgs { + ty::ClosureArgs { args: self } + } + fn as_coroutine_closure(self) -> ty::CoroutineClosureArgs { + ty::CoroutineClosureArgs { args: self } + } + fn as_coroutine(self) -> ty::CoroutineArgs { + ty::CoroutineArgs { args: self } + } } pub trait Predicate>: @@ -198,7 +251,10 @@ pub trait Predicate>: + TypeSuperVisitable + TypeSuperFoldable + Flags + + UpcastFrom + UpcastFrom> + + UpcastFrom> + + UpcastFrom>> { fn is_coinductive(self, interner: I) -> bool; } @@ -208,6 +264,7 @@ pub trait Clause>: + Debug + Hash + Eq + + TypeFoldable // FIXME: Remove these, uplift the `Upcast` impls. + UpcastFrom>> + UpcastFrom>> @@ -242,8 +299,17 @@ pub trait ParamLike { pub trait AdtDef: Copy + Debug + Hash + Eq { fn def_id(self) -> I::DefId; + + fn is_phantom_data(self) -> bool; + + // FIXME: perhaps use `all_fields` and expose `FieldDef`. + fn all_field_tys(self, interner: I) -> ty::EarlyBinder>; + + fn sized_constraint(self, interner: I) -> Option>; } pub trait Features: Copy { fn generic_const_exprs(self) -> bool; + + fn coroutine_clone(self) -> bool; } diff --git a/compiler/rustc_type_ir/src/interner.rs b/compiler/rustc_type_ir/src/interner.rs index b7f412ecb8ea..ad983cc41871 100644 --- a/compiler/rustc_type_ir/src/interner.rs +++ b/compiler/rustc_type_ir/src/interner.rs @@ -1,3 +1,4 @@ +use rustc_ast_ir::Movability; use smallvec::SmallVec; use std::fmt::Debug; use std::hash::Hash; @@ -31,20 +32,8 @@ pub trait Interner: type GenericArgs: GenericArgs; type GenericArgsSlice: Copy + Debug + Hash + Eq + Deref; - type GenericArg: Copy - + Debug - + Hash - + Eq - + IntoKind> - + TypeVisitable - + Relate; - type Term: Copy - + Debug - + Hash - + Eq - + IntoKind> - + TypeFoldable - + Relate; + type GenericArg: GenericArg; + type Term: Term; type BoundVarKinds: Copy + Debug @@ -74,7 +63,12 @@ pub trait Interner: // Things stored inside of tys type ErrorGuaranteed: Copy + Debug + Hash + Eq; - type BoundExistentialPredicates: Copy + Debug + Hash + Eq + Relate; + type BoundExistentialPredicates: Copy + + Debug + + Hash + + Eq + + Relate + + IntoIterator>>; type AllocId: Copy + Debug + Hash + Eq; type Pat: Copy + Debug + Hash + Eq + Debug + Relate; type Safety: Safety + TypeFoldable + Relate; @@ -153,6 +147,34 @@ pub trait Interner: type Features: Features; fn features(self) -> Self::Features; + + fn bound_coroutine_hidden_types( + self, + def_id: Self::DefId, + ) -> impl Iterator>>; + + fn fn_sig( + self, + def_id: Self::DefId, + ) -> ty::EarlyBinder>>; + + fn coroutine_movability(self, def_id: Self::DefId) -> Movability; + + fn coroutine_for_closure(self, def_id: Self::DefId) -> Self::DefId; + + fn generics_require_sized_self(self, def_id: Self::DefId) -> bool; + + fn item_bounds( + self, + def_id: Self::DefId, + ) -> ty::EarlyBinder>; + + fn super_predicates_of( + self, + def_id: Self::DefId, + ) -> ty::EarlyBinder>; + + fn has_target_features(self, def_id: Self::DefId) -> bool; } /// Imagine you have a function `F: FnOnce(&[T]) -> R`, plus an iterator `iter` From e82db89b4dbf0ddcc67f7804a01c322c761415b4 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Wed, 12 Jun 2024 17:48:37 -0400 Subject: [PATCH 1487/1716] Finish uplifting all of structural_traits --- compiler/rustc_infer/src/infer/at.rs | 44 +++ .../src/infer/error_reporting/mod.rs | 2 + compiler/rustc_infer/src/infer/mod.rs | 77 ++++- compiler/rustc_middle/src/ty/context.rs | 23 +- compiler/rustc_middle/src/ty/predicate.rs | 9 + .../src/solve/assembly/structural_traits.rs | 37 +-- .../src/solve/eval_ctxt/mod.rs | 293 ++++++++---------- .../rustc_trait_selection/src/solve/mod.rs | 11 - .../src/solve/normalizes_to/mod.rs | 2 +- compiler/rustc_type_ir/src/infcx.rs | 30 +- compiler/rustc_type_ir/src/inherent.rs | 50 +++ compiler/rustc_type_ir/src/interner.rs | 5 + compiler/rustc_type_ir/src/lang_items.rs | 8 + compiler/rustc_type_ir/src/lib.rs | 1 + 14 files changed, 386 insertions(+), 206 deletions(-) create mode 100644 compiler/rustc_type_ir/src/lang_items.rs diff --git a/compiler/rustc_infer/src/infer/at.rs b/compiler/rustc_infer/src/infer/at.rs index 01bd732a4cd8..2d06a7c693ff 100644 --- a/compiler/rustc_infer/src/infer/at.rs +++ b/compiler/rustc_infer/src/infer/at.rs @@ -225,6 +225,50 @@ impl<'a, 'tcx> At<'a, 'tcx> { } } + /// Used in the new solver since we don't care about tracking an `ObligationCause`. + pub fn relate_no_trace( + self, + expected: T, + variance: ty::Variance, + actual: T, + ) -> Result>>, NoSolution> + where + T: Relate>, + { + let mut fields = CombineFields::new( + self.infcx, + TypeTrace::dummy(self.cause), + self.param_env, + DefineOpaqueTypes::Yes, + ); + fields.sub().relate_with_variance( + variance, + ty::VarianceDiagInfo::default(), + expected, + actual, + )?; + Ok(fields.goals) + } + + /// Used in the new solver since we don't care about tracking an `ObligationCause`. + pub fn eq_structurally_relating_aliases_no_trace( + self, + expected: T, + actual: T, + ) -> Result>>, NoSolution> + where + T: Relate>, + { + let mut fields = CombineFields::new( + self.infcx, + TypeTrace::dummy(self.cause), + self.param_env, + DefineOpaqueTypes::Yes, + ); + fields.equate(StructurallyRelateAliases::Yes).relate(expected, actual)?; + Ok(fields.goals) + } + /// Computes the least-upper-bound, or mutual supertype, of two /// values. The order of the arguments doesn't matter, but since /// this can result in an error (e.g., if asked to compute LUB of diff --git a/compiler/rustc_infer/src/infer/error_reporting/mod.rs b/compiler/rustc_infer/src/infer/error_reporting/mod.rs index ed483c6cbeb4..d8a2857a11d1 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/mod.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/mod.rs @@ -1707,6 +1707,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { ValuePairs::ExistentialProjection(_) => { (false, Mismatch::Fixed("existential projection")) } + infer::DummyPair => (false, Mismatch::Fixed("values")), }; let Some(vals) = self.values_str(values) else { // Derived error. Cancel the emitter. @@ -2275,6 +2276,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { let (exp, fnd) = self.cmp_fn_sig(&exp_found.expected, &exp_found.found); Some((exp, fnd, None)) } + infer::DummyPair => None, } } diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs index 46f18bd77a0e..e95949b92a96 100644 --- a/compiler/rustc_infer/src/infer/mod.rs +++ b/compiler/rustc_infer/src/infer/mod.rs @@ -11,7 +11,7 @@ pub use RegionVariableOrigin::*; pub use SubregionOrigin::*; pub use ValuePairs::*; -use crate::infer::relate::RelateResult; +use crate::infer::relate::{Relate, RelateResult}; use crate::traits::{self, ObligationCause, ObligationInspector, PredicateObligation, TraitEngine}; use error_reporting::TypeErrCtxt; use free_regions::RegionRelations; @@ -35,6 +35,7 @@ use rustc_middle::infer::unify_key::{ConstVidKey, EffectVidKey}; use rustc_middle::mir::interpret::{ErrorHandled, EvalToValTreeResult}; use rustc_middle::mir::ConstraintCategory; use rustc_middle::traits::select; +use rustc_middle::traits::solve::{Goal, NoSolution}; use rustc_middle::ty::error::{ExpectedFound, TypeError}; use rustc_middle::ty::fold::BoundVarReplacerDelegate; use rustc_middle::ty::fold::{TypeFoldable, TypeFolder, TypeSuperFoldable}; @@ -352,14 +353,6 @@ impl<'tcx> ty::InferCtxtLike for InferCtxt<'tcx> { } } - fn universe_of_ct(&self, ct: ConstVid) -> Option { - // Same issue as with `universe_of_ty` - match self.probe_const_var(ct) { - Err(universe) => Some(universe), - Ok(_) => None, - } - } - fn universe_of_lt(&self, lt: ty::RegionVid) -> Option { match self.inner.borrow_mut().unwrap_region_constraints().probe_value(lt) { Err(universe) => Some(universe), @@ -367,12 +360,12 @@ impl<'tcx> ty::InferCtxtLike for InferCtxt<'tcx> { } } - fn opportunistic_resolve_lt_var(&self, vid: ty::RegionVid) -> ty::Region<'tcx> { - self.inner.borrow_mut().unwrap_region_constraints().opportunistic_resolve_var(self.tcx, vid) - } - - fn defining_opaque_types(&self) -> &'tcx ty::List { - self.defining_opaque_types + fn universe_of_ct(&self, ct: ConstVid) -> Option { + // Same issue as with `universe_of_ty` + match self.probe_const_var(ct) { + Err(universe) => Some(universe), + Ok(_) => None, + } } fn opportunistic_resolve_ty_var(&self, vid: TyVid) -> Ty<'tcx> { @@ -406,6 +399,26 @@ impl<'tcx> ty::InferCtxtLike for InferCtxt<'tcx> { } } + fn opportunistic_resolve_lt_var(&self, vid: ty::RegionVid) -> ty::Region<'tcx> { + self.inner.borrow_mut().unwrap_region_constraints().opportunistic_resolve_var(self.tcx, vid) + } + + fn defining_opaque_types(&self) -> &'tcx ty::List { + self.defining_opaque_types + } + + fn next_ty_infer(&self) -> Ty<'tcx> { + self.next_ty_var(DUMMY_SP) + } + + fn next_const_infer(&self) -> ty::Const<'tcx> { + self.next_const_var(DUMMY_SP) + } + + fn fresh_args_for_item(&self, def_id: DefId) -> ty::GenericArgsRef<'tcx> { + self.fresh_args_for_item(DUMMY_SP, def_id) + } + fn instantiate_binder_with_infer + Copy>( &self, value: ty::Binder<'tcx, T>, @@ -417,13 +430,40 @@ impl<'tcx> ty::InferCtxtLike for InferCtxt<'tcx> { ) } - fn enter_forall + Copy, U>( + fn enter_forall> + Copy, U>( &self, value: ty::Binder<'tcx, T>, f: impl FnOnce(T) -> U, ) -> U { self.enter_forall(value, f) } + + fn relate>>( + &self, + param_env: ty::ParamEnv<'tcx>, + lhs: T, + variance: ty::Variance, + rhs: T, + ) -> Result>>, NoSolution> { + self.at(&ObligationCause::dummy(), param_env).relate_no_trace(lhs, variance, rhs) + } + + fn eq_structurally_relating_aliases>>( + &self, + param_env: ty::ParamEnv<'tcx>, + lhs: T, + rhs: T, + ) -> Result>>, NoSolution> { + self.at(&ObligationCause::dummy(), param_env) + .eq_structurally_relating_aliases_no_trace(lhs, rhs) + } + + fn resolve_vars_if_possible(&self, value: T) -> T + where + T: TypeFoldable>, + { + self.resolve_vars_if_possible(value) + } } /// See the `error_reporting` module for more details. @@ -436,6 +476,7 @@ pub enum ValuePairs<'tcx> { PolySigs(ExpectedFound>), ExistentialTraitRef(ExpectedFound>), ExistentialProjection(ExpectedFound>), + DummyPair, } impl<'tcx> ValuePairs<'tcx> { @@ -1858,6 +1899,10 @@ impl<'tcx> TypeTrace<'tcx> { values: Terms(ExpectedFound::new(a_is_expected, a.into(), b.into())), } } + + fn dummy(cause: &ObligationCause<'tcx>) -> TypeTrace<'tcx> { + TypeTrace { cause: cause.clone(), values: ValuePairs::DummyPair } + } } impl<'tcx> SubregionOrigin<'tcx> { diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index 98c60ffee125..ebcb47966eb3 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -70,9 +70,9 @@ use rustc_span::{Span, DUMMY_SP}; use rustc_target::abi::{FieldIdx, Layout, LayoutS, TargetDataLayout, VariantIdx}; use rustc_target::spec::abi; use rustc_type_ir::fold::TypeFoldable; +use rustc_type_ir::lang_items::TraitSolverLangItem; use rustc_type_ir::TyKind::*; -use rustc_type_ir::WithCachedTypeInfo; -use rustc_type_ir::{CollectAndApply, Interner, TypeFlags}; +use rustc_type_ir::{CollectAndApply, Interner, TypeFlags, WithCachedTypeInfo}; use tracing::{debug, instrument}; use std::assert_matches::assert_matches; @@ -302,6 +302,25 @@ impl<'tcx> Interner for TyCtxt<'tcx> { fn has_target_features(self, def_id: DefId) -> bool { !self.codegen_fn_attrs(def_id).target_features.is_empty() } + + fn require_lang_item(self, lang_item: TraitSolverLangItem) -> DefId { + self.require_lang_item( + match lang_item { + TraitSolverLangItem::Future => hir::LangItem::Future, + TraitSolverLangItem::FutureOutput => hir::LangItem::FutureOutput, + TraitSolverLangItem::AsyncFnKindHelper => hir::LangItem::AsyncFnKindHelper, + TraitSolverLangItem::AsyncFnKindUpvars => hir::LangItem::AsyncFnKindUpvars, + }, + None, + ) + } + + fn associated_type_def_ids(self, def_id: DefId) -> impl Iterator { + self.associated_items(def_id) + .in_definition_order() + .filter(|assoc_item| matches!(assoc_item.kind, ty::AssocKind::Type)) + .map(|assoc_item| assoc_item.def_id) + } } impl<'tcx> rustc_type_ir::inherent::Abi> for abi::Abi { diff --git a/compiler/rustc_middle/src/ty/predicate.rs b/compiler/rustc_middle/src/ty/predicate.rs index 785aa8d456fc..0f63490ea01c 100644 --- a/compiler/rustc_middle/src/ty/predicate.rs +++ b/compiler/rustc_middle/src/ty/predicate.rs @@ -51,6 +51,14 @@ impl<'tcx> rustc_type_ir::inherent::Predicate> for Predicate<'tcx> } } +impl<'tcx> rustc_type_ir::inherent::IntoKind for Predicate<'tcx> { + type Kind = ty::Binder<'tcx, ty::PredicateKind<'tcx>>; + + fn kind(self) -> Self::Kind { + self.kind() + } +} + impl<'tcx> rustc_type_ir::visit::Flags for Predicate<'tcx> { fn flags(&self) -> TypeFlags { self.0.flags @@ -120,6 +128,7 @@ impl<'tcx> Predicate<'tcx> { /// unsoundly accept some programs. See #91068. #[inline] pub fn allow_normalization(self) -> bool { + // Keep this in sync with the one in `rustc_type_ir::inherent`! match self.kind().skip_binder() { PredicateKind::Clause(ClauseKind::WellFormed(_)) | PredicateKind::AliasRelate(..) diff --git a/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs b/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs index c90b458d7b1a..f232ddcf7970 100644 --- a/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs +++ b/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs @@ -6,6 +6,7 @@ use rustc_data_structures::fx::FxHashMap; use rustc_next_trait_solver::solve::{Goal, NoSolution}; use rustc_type_ir::fold::{TypeFoldable, TypeFolder, TypeSuperFoldable}; use rustc_type_ir::inherent::*; +use rustc_type_ir::lang_items::TraitSolverLangItem; use rustc_type_ir::{self as ty, InferCtxtLike, Interner, Upcast}; use rustc_type_ir_macros::{TypeFoldable_Generic, TypeVisitable_Generic}; @@ -428,7 +429,7 @@ pub(in crate::solve) fn extract_tupled_inputs_and_output_from_async_callable { let bound_sig = self_ty.fn_sig(tcx); let sig = bound_sig.skip_binder(); - let future_trait_def_id = tcx.require_lang_item(LangItem::Future, None); + let future_trait_def_id = tcx.require_lang_item(TraitSolverLangItem::Future); // `FnDef` and `FnPtr` only implement `AsyncFn*` when their // return type implements `Future`. let nested = vec![ @@ -460,7 +461,7 @@ pub(in crate::solve) fn extract_tupled_inputs_and_output_from_async_callable( args: ty::CoroutineClosureArgs, sig: ty::CoroutineClosureSignature, ) -> I::Ty { - let upvars_projection_def_id = tcx.require_lang_item(LangItem::AsyncFnKindUpvars, None); + let upvars_projection_def_id = tcx.require_lang_item(TraitSolverLangItem::AsyncFnKindUpvars); let tupled_upvars_ty = Ty::new_projection( tcx, upvars_projection_def_id, @@ -663,19 +664,19 @@ pub(in crate::solve) fn predicates_for_object_candidate< let mut requirements = vec![]; requirements .extend(tcx.super_predicates_of(trait_ref.def_id).iter_instantiated(tcx, &trait_ref.args)); - for item in tcx.associated_items(trait_ref.def_id).in_definition_order() { - // FIXME(associated_const_equality): Also add associated consts to - // the requirements here. - if item.kind == ty::AssocKind::Type { - // associated types that require `Self: Sized` do not show up in the built-in - // implementation of `Trait for dyn Trait`, and can be dropped here. - if tcx.generics_require_sized_self(item.def_id) { - continue; - } - requirements - .extend(tcx.item_bounds(item.def_id).iter_instantiated(tcx, &trait_ref.args)); + // FIXME(associated_const_equality): Also add associated consts to + // the requirements here. + for associated_type_def_id in tcx.associated_type_def_ids(trait_ref.def_id) { + // associated types that require `Self: Sized` do not show up in the built-in + // implementation of `Trait for dyn Trait`, and can be dropped here. + if tcx.generics_require_sized_self(associated_type_def_id) { + continue; } + + requirements.extend( + tcx.item_bounds(associated_type_def_id).iter_instantiated(tcx, &trait_ref.args), + ); } let mut replace_projection_with = FxHashMap::default(); diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs index 43013a01069e..d35101b29f94 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs @@ -1,9 +1,6 @@ use rustc_data_structures::stack::ensure_sufficient_stack; use rustc_hir::def_id::DefId; -use rustc_infer::infer::at::ToTrace; -use rustc_infer::infer::{ - BoundRegionConversionTime, DefineOpaqueTypes, InferCtxt, InferOk, TyCtxtInferExt, -}; +use rustc_infer::infer::{InferCtxt, TyCtxtInferExt}; use rustc_infer::traits::query::NoSolution; use rustc_infer::traits::solve::{MaybeCause, NestedNormalizationGoals}; use rustc_infer::traits::ObligationCause; @@ -15,11 +12,12 @@ use rustc_middle::traits::solve::{ use rustc_middle::ty::AliasRelationDirection; use rustc_middle::ty::TypeFolder; use rustc_middle::ty::{ - self, InferCtxtLike, OpaqueTypeKey, Ty, TyCtxt, TypeFoldable, TypeSuperVisitable, - TypeVisitable, TypeVisitableExt, TypeVisitor, + self, InferCtxtLike, OpaqueTypeKey, Ty, TyCtxt, TypeFoldable, TypeVisitableExt, }; use rustc_span::DUMMY_SP; use rustc_type_ir::fold::TypeSuperFoldable; +use rustc_type_ir::inherent::*; +use rustc_type_ir::relate::Relate; use rustc_type_ir::{self as ir, CanonicalVarValues, Interner}; use rustc_type_ir_macros::{Lift_Generic, TypeFoldable_Generic, TypeVisitable_Generic}; use std::ops::ControlFlow; @@ -456,28 +454,6 @@ impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { } } - #[instrument(level = "trace", skip(self))] - pub(super) fn add_normalizes_to_goal(&mut self, mut goal: Goal<'tcx, ty::NormalizesTo<'tcx>>) { - goal.predicate = goal - .predicate - .fold_with(&mut ReplaceAliasWithInfer { ecx: self, param_env: goal.param_env }); - self.inspect.add_normalizes_to_goal(self.infcx, self.max_input_universe, goal); - self.nested_goals.normalizes_to_goals.push(goal); - } - - #[instrument(level = "debug", skip(self))] - pub(super) fn add_goal( - &mut self, - source: GoalSource, - mut goal: Goal<'tcx, ty::Predicate<'tcx>>, - ) { - goal.predicate = goal - .predicate - .fold_with(&mut ReplaceAliasWithInfer { ecx: self, param_env: goal.param_env }); - self.inspect.add_goal(self.infcx, self.max_input_universe, source, goal); - self.nested_goals.goals.push((source, goal)); - } - // Recursively evaluates all the goals added to this `EvalCtxt` to completion, returning // the certainty of all the goals. #[instrument(level = "trace", skip(self))] @@ -600,30 +576,65 @@ impl, I: Interner> EvalCtxt<'_, Infcx> { pub(super) fn interner(&self) -> I { self.infcx.interner() } -} -impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { - pub(super) fn next_ty_infer(&mut self) -> Ty<'tcx> { - let ty = self.infcx.next_ty_var(DUMMY_SP); + #[instrument(level = "trace", skip(self))] + pub(super) fn add_normalizes_to_goal( + &mut self, + mut goal: ir::solve::Goal>, + ) { + goal.predicate = goal + .predicate + .fold_with(&mut ReplaceAliasWithInfer { ecx: self, param_env: goal.param_env }); + self.inspect.add_normalizes_to_goal(self.infcx, self.max_input_universe, goal); + self.nested_goals.normalizes_to_goals.push(goal); + } + + #[instrument(level = "debug", skip(self))] + pub(super) fn add_goal( + &mut self, + source: GoalSource, + mut goal: ir::solve::Goal, + ) { + goal.predicate = goal + .predicate + .fold_with(&mut ReplaceAliasWithInfer { ecx: self, param_env: goal.param_env }); + self.inspect.add_goal(self.infcx, self.max_input_universe, source, goal); + self.nested_goals.goals.push((source, goal)); + } + + #[instrument(level = "trace", skip(self, goals))] + pub(super) fn add_goals( + &mut self, + source: GoalSource, + goals: impl IntoIterator>, + ) { + for goal in goals { + self.add_goal(source, goal); + } + } + + pub(super) fn next_ty_infer(&mut self) -> I::Ty { + let ty = self.infcx.next_ty_infer(); self.inspect.add_var_value(ty); ty } - pub(super) fn next_const_infer(&mut self) -> ty::Const<'tcx> { - let ct = self.infcx.next_const_var(DUMMY_SP); + pub(super) fn next_const_infer(&mut self) -> I::Const { + let ct = self.infcx.next_const_infer(); self.inspect.add_var_value(ct); ct } /// Returns a ty infer or a const infer depending on whether `kind` is a `Ty` or `Const`. /// If `kind` is an integer inference variable this will still return a ty infer var. - pub(super) fn next_term_infer_of_kind(&mut self, kind: ty::Term<'tcx>) -> ty::Term<'tcx> { - match kind.unpack() { - ty::TermKind::Ty(_) => self.next_ty_infer().into(), - ty::TermKind::Const(_) => self.next_const_infer().into(), + pub(super) fn next_term_infer_of_kind(&mut self, kind: I::Term) -> I::Term { + match kind.kind() { + ir::TermKind::Ty(_) => self.next_ty_infer().into(), + ir::TermKind::Const(_) => self.next_const_infer().into(), } } + /* TODO: /// Is the projection predicate is of the form `exists ::Assoc = T`. /// /// This is the case if the `term` does not occur in any other part of the predicate @@ -631,18 +642,18 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { #[instrument(level = "trace", skip(self), ret)] pub(super) fn term_is_fully_unconstrained( &self, - goal: Goal<'tcx, ty::NormalizesTo<'tcx>>, + goal: ir::solve::Goal>, ) -> bool { - let universe_of_term = match goal.predicate.term.unpack() { - ty::TermKind::Ty(ty) => { - if let &ty::Infer(ty::TyVar(vid)) = ty.kind() { + let universe_of_term = match goal.predicate.term.kind() { + ir::TermKind::Ty(ty) => { + if let ir::Infer(ir::TyVar(vid)) = ty.kind() { self.infcx.universe_of_ty(vid).unwrap() } else { return false; } } - ty::TermKind::Const(ct) => { - if let ty::ConstKind::Infer(ty::InferConst::Var(vid)) = ct.kind() { + ir::TermKind::Const(ct) => { + if let ir::ConstKind::Infer(ir::InferConst::Var(vid)) = ct.kind() { self.infcx.universe_of_ct(vid).unwrap() } else { return false; @@ -650,14 +661,14 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { } }; - struct ContainsTermOrNotNameable<'a, 'tcx> { - term: ty::Term<'tcx>, - universe_of_term: ty::UniverseIndex, - infcx: &'a InferCtxt<'tcx>, + struct ContainsTermOrNotNameable<'a, Infcx: InferCtxtLike, I: Interner> { + term: I::Term, + universe_of_term: ir::UniverseIndex, + infcx: &'a Infcx, } - impl<'a, 'tcx> ContainsTermOrNotNameable<'a, 'tcx> { - fn check_nameable(&self, universe: ty::UniverseIndex) -> ControlFlow<()> { + impl, I: Interner> ContainsTermOrNotNameable<'_, Infcx, I> { + fn check_nameable(&self, universe: ir::UniverseIndex) -> ControlFlow<()> { if self.universe_of_term.can_name(universe) { ControlFlow::Continue(()) } else { @@ -666,12 +677,14 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { } } - impl<'tcx> TypeVisitor> for ContainsTermOrNotNameable<'_, 'tcx> { + impl, I: Interner> TypeVisitor + for ContainsTermOrNotNameable<'_, Infcx, I> + { type Result = ControlFlow<()>; - fn visit_ty(&mut self, t: Ty<'tcx>) -> Self::Result { - match *t.kind() { - ty::Infer(ty::TyVar(vid)) => { - if let ty::TermKind::Ty(term) = self.term.unpack() + fn visit_ty(&mut self, t: I::Ty) -> Self::Result { + match t.kind() { + ir::Infer(ir::TyVar(vid)) => { + if let ir::TermKind::Ty(term) = self.term.kind() && let Some(term_vid) = term.ty_vid() && self.infcx.root_var(vid) == self.infcx.root_var(term_vid) { @@ -680,7 +693,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { self.check_nameable(self.infcx.universe_of_ty(vid).unwrap()) } } - ty::Placeholder(p) => self.check_nameable(p.universe), + ir::Placeholder(p) => self.check_nameable(p.universe()), _ => { if t.has_non_region_infer() || t.has_placeholders() { t.super_visit_with(self) @@ -691,11 +704,11 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { } } - fn visit_const(&mut self, c: ty::Const<'tcx>) -> Self::Result { + fn visit_const(&mut self, c: I::Const) -> Self::Result { match c.kind() { - ty::ConstKind::Infer(ty::InferConst::Var(vid)) => { - if let ty::TermKind::Const(term) = self.term.unpack() - && let ty::ConstKind::Infer(ty::InferConst::Var(term_vid)) = term.kind() + ir::ConstKind::Infer(ir::InferConst::Var(vid)) => { + if let ir::TermKind::Const(term) = self.term.kind() + && let ir::ConstKind::Infer(ir::InferConst::Var(term_vid)) = term.kind() && self.infcx.root_const_var(vid) == self.infcx.root_const_var(term_vid) { ControlFlow::Break(()) @@ -703,7 +716,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { self.check_nameable(self.infcx.universe_of_ct(vid).unwrap()) } } - ty::ConstKind::Placeholder(p) => self.check_nameable(p.universe), + ir::ConstKind::Placeholder(p) => self.check_nameable(p.universe()), _ => { if c.has_non_region_infer() || c.has_placeholders() { c.super_visit_with(self) @@ -723,25 +736,16 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { goal.predicate.alias.visit_with(&mut visitor).is_continue() && goal.param_env.visit_with(&mut visitor).is_continue() } + */ #[instrument(level = "trace", skip(self, param_env), ret)] - pub(super) fn eq>( + pub(super) fn eq>( &mut self, - param_env: ty::ParamEnv<'tcx>, + param_env: I::ParamEnv, lhs: T, rhs: T, ) -> Result<(), NoSolution> { - self.infcx - .at(&ObligationCause::dummy(), param_env) - // New solver ignores DefineOpaqueTypes, so choose Yes for consistency - .eq(DefineOpaqueTypes::Yes, lhs, rhs) - .map(|InferOk { value: (), obligations }| { - self.add_goals(GoalSource::Misc, obligations.into_iter().map(|o| o.into())); - }) - .map_err(|e| { - trace!(?e, "failed to equate"); - NoSolution - }) + self.relate(param_env, lhs, ir::Variance::Invariant, rhs) } /// This should be used when relating a rigid alias with another type. @@ -752,10 +756,10 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { #[instrument(level = "trace", skip(self, param_env), ret)] pub(super) fn relate_rigid_alias_non_alias( &mut self, - param_env: ty::ParamEnv<'tcx>, - alias: ty::AliasTerm<'tcx>, - variance: ty::Variance, - term: ty::Term<'tcx>, + param_env: I::ParamEnv, + alias: ir::AliasTerm, + variance: ir::Variance, + term: I::Term, ) -> Result<(), NoSolution> { // NOTE: this check is purely an optimization, the structural eq would // always fail if the term is not an inference variable. @@ -770,12 +774,10 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { // Alternatively we could modify `Equate` for this case by adding another // variant to `StructurallyRelateAliases`. let identity_args = self.fresh_args_for_item(alias.def_id); - let rigid_ctor = ty::AliasTerm::new(tcx, alias.def_id, identity_args); + let rigid_ctor = ir::AliasTerm::new(tcx, alias.def_id, identity_args); let ctor_term = rigid_ctor.to_term(tcx); - let InferOk { value: (), obligations } = self - .infcx - .at(&ObligationCause::dummy(), param_env) - .eq_structurally_relating_aliases(term, ctor_term)?; + let obligations = + self.infcx.eq_structurally_relating_aliases(param_env, term, ctor_term)?; debug_assert!(obligations.is_empty()); self.relate(param_env, alias, variance, rigid_ctor) } else { @@ -787,58 +789,38 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { /// unconstrained "return value" or when we're sure that all aliases in /// the types are rigid. #[instrument(level = "trace", skip(self, param_env), ret)] - pub(super) fn eq_structurally_relating_aliases>( + pub(super) fn eq_structurally_relating_aliases>( &mut self, - param_env: ty::ParamEnv<'tcx>, + param_env: I::ParamEnv, lhs: T, rhs: T, ) -> Result<(), NoSolution> { - let cause = ObligationCause::dummy(); - let InferOk { value: (), obligations } = - self.infcx.at(&cause, param_env).eq_structurally_relating_aliases(lhs, rhs)?; - assert!(obligations.is_empty()); + let result = self.infcx.eq_structurally_relating_aliases(param_env, lhs, rhs)?; + assert_eq!(result, vec![]); Ok(()) } #[instrument(level = "trace", skip(self, param_env), ret)] - pub(super) fn sub>( + pub(super) fn sub>( &mut self, - param_env: ty::ParamEnv<'tcx>, + param_env: I::ParamEnv, sub: T, sup: T, ) -> Result<(), NoSolution> { - self.infcx - .at(&ObligationCause::dummy(), param_env) - // New solver ignores DefineOpaqueTypes, so choose Yes for consistency - .sub(DefineOpaqueTypes::Yes, sub, sup) - .map(|InferOk { value: (), obligations }| { - self.add_goals(GoalSource::Misc, obligations.into_iter().map(|o| o.into())); - }) - .map_err(|e| { - trace!(?e, "failed to subtype"); - NoSolution - }) + self.relate(param_env, sub, ir::Variance::Covariant, sup) } #[instrument(level = "trace", skip(self, param_env), ret)] - pub(super) fn relate>( + pub(super) fn relate>( &mut self, - param_env: ty::ParamEnv<'tcx>, + param_env: I::ParamEnv, lhs: T, - variance: ty::Variance, + variance: ir::Variance, rhs: T, ) -> Result<(), NoSolution> { - self.infcx - .at(&ObligationCause::dummy(), param_env) - // New solver ignores DefineOpaqueTypes, so choose Yes for consistency - .relate(DefineOpaqueTypes::Yes, lhs, variance, rhs) - .map(|InferOk { value: (), obligations }| { - self.add_goals(GoalSource::Misc, obligations.into_iter().map(|o| o.into())); - }) - .map_err(|e| { - trace!(?e, "failed to relate"); - NoSolution - }) + let goals = self.infcx.relate(param_env, lhs, variance, rhs)?; + self.add_goals(GoalSource::Misc, goals); + Ok(()) } /// Equates two values returning the nested goals without adding them @@ -847,58 +829,47 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { /// If possible, try using `eq` instead which automatically handles nested /// goals correctly. #[instrument(level = "trace", skip(self, param_env), ret)] - pub(super) fn eq_and_get_goals>( + pub(super) fn eq_and_get_goals>( &self, - param_env: ty::ParamEnv<'tcx>, + param_env: I::ParamEnv, lhs: T, rhs: T, - ) -> Result>>, NoSolution> { - self.infcx - .at(&ObligationCause::dummy(), param_env) - // New solver ignores DefineOpaqueTypes, so choose Yes for consistency - .eq(DefineOpaqueTypes::Yes, lhs, rhs) - .map(|InferOk { value: (), obligations }| { - obligations.into_iter().map(|o| o.into()).collect() - }) - .map_err(|e| { - trace!(?e, "failed to equate"); - NoSolution - }) + ) -> Result>, NoSolution> { + self.infcx.relate(param_env, lhs, ir::Variance::Invariant, rhs) } - pub(super) fn instantiate_binder_with_infer> + Copy>( + pub(super) fn instantiate_binder_with_infer + Copy>( &self, - value: ty::Binder<'tcx, T>, + value: ir::Binder, ) -> T { - self.infcx.instantiate_binder_with_fresh_vars( - DUMMY_SP, - BoundRegionConversionTime::HigherRankedType, - value, - ) + self.infcx.instantiate_binder_with_infer(value) } - pub(super) fn enter_forall> + Copy, U>( + pub(super) fn enter_forall + Copy, U>( &self, - value: ty::Binder<'tcx, T>, + value: ir::Binder, f: impl FnOnce(T) -> U, ) -> U { self.infcx.enter_forall(value, f) } + pub(super) fn resolve_vars_if_possible(&self, value: T) -> T where - T: TypeFoldable>, + T: TypeFoldable, { self.infcx.resolve_vars_if_possible(value) } - pub(super) fn fresh_args_for_item(&mut self, def_id: DefId) -> ty::GenericArgsRef<'tcx> { - let args = self.infcx.fresh_args_for_item(DUMMY_SP, def_id); + pub(super) fn fresh_args_for_item(&mut self, def_id: I::DefId) -> I::GenericArgs { + let args = self.infcx.fresh_args_for_item(def_id); for arg in args { self.inspect.add_var_value(arg); } args } +} +impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { pub(super) fn register_ty_outlives(&self, ty: Ty<'tcx>, lt: ty::Region<'tcx>) { self.infcx.register_region_obligation_with_cause(ty, lt, &ObligationCause::dummy()); } @@ -1096,28 +1067,36 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { /// /// This is a performance optimization to more eagerly detect cycles during trait /// solving. See tests/ui/traits/next-solver/cycles/cycle-modulo-ambig-aliases.rs. -struct ReplaceAliasWithInfer<'me, 'a, 'tcx> { - ecx: &'me mut EvalCtxt<'a, InferCtxt<'tcx>>, - param_env: ty::ParamEnv<'tcx>, +struct ReplaceAliasWithInfer<'me, 'a, Infcx, I> +where + Infcx: InferCtxtLike, + I: Interner, +{ + ecx: &'me mut EvalCtxt<'a, Infcx>, + param_env: I::ParamEnv, } -impl<'tcx> TypeFolder> for ReplaceAliasWithInfer<'_, '_, 'tcx> { - fn interner(&self) -> TyCtxt<'tcx> { +impl TypeFolder for ReplaceAliasWithInfer<'_, '_, Infcx, I> +where + Infcx: InferCtxtLike, + I: Interner, +{ + fn interner(&self) -> I { self.ecx.interner() } - fn fold_ty(&mut self, ty: Ty<'tcx>) -> Ty<'tcx> { - match *ty.kind() { - ty::Alias(..) if !ty.has_escaping_bound_vars() => { + fn fold_ty(&mut self, ty: I::Ty) -> I::Ty { + match ty.kind() { + ir::Alias(..) if !ty.has_escaping_bound_vars() => { let infer_ty = self.ecx.next_ty_infer(); - let normalizes_to = ty::PredicateKind::AliasRelate( + let normalizes_to = ir::PredicateKind::AliasRelate( ty.into(), infer_ty.into(), AliasRelationDirection::Equate, ); self.ecx.add_goal( GoalSource::Misc, - Goal::new(self.interner(), self.param_env, normalizes_to), + ir::solve::Goal::new(self.interner(), self.param_env, normalizes_to), ); infer_ty } @@ -1125,18 +1104,18 @@ impl<'tcx> TypeFolder> for ReplaceAliasWithInfer<'_, '_, 'tcx> { } } - fn fold_const(&mut self, ct: ty::Const<'tcx>) -> ty::Const<'tcx> { + fn fold_const(&mut self, ct: I::Const) -> I::Const { match ct.kind() { - ty::ConstKind::Unevaluated(..) if !ct.has_escaping_bound_vars() => { + ir::ConstKind::Unevaluated(..) if !ct.has_escaping_bound_vars() => { let infer_ct = self.ecx.next_const_infer(); - let normalizes_to = ty::PredicateKind::AliasRelate( + let normalizes_to = ir::PredicateKind::AliasRelate( ct.into(), infer_ct.into(), AliasRelationDirection::Equate, ); self.ecx.add_goal( GoalSource::Misc, - Goal::new(self.interner(), self.param_env, normalizes_to), + ir::solve::Goal::new(self.interner(), self.param_env, normalizes_to), ); infer_ct } @@ -1144,7 +1123,7 @@ impl<'tcx> TypeFolder> for ReplaceAliasWithInfer<'_, '_, 'tcx> { } } - fn fold_predicate(&mut self, predicate: ty::Predicate<'tcx>) -> ty::Predicate<'tcx> { + fn fold_predicate(&mut self, predicate: I::Predicate) -> I::Predicate { if predicate.allow_normalization() { predicate.super_fold_with(self) } else { predicate } } } diff --git a/compiler/rustc_trait_selection/src/solve/mod.rs b/compiler/rustc_trait_selection/src/solve/mod.rs index c47b01949641..fdcf4ff11e46 100644 --- a/compiler/rustc_trait_selection/src/solve/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/mod.rs @@ -235,17 +235,6 @@ impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { } impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { - #[instrument(level = "trace", skip(self, goals))] - fn add_goals( - &mut self, - source: GoalSource, - goals: impl IntoIterator>>, - ) { - for goal in goals { - self.add_goal(source, goal); - } - } - /// Try to merge multiple possible ways to prove a goal, if that is not possible returns `None`. /// /// In this case we tend to flounder and return ambiguity by calling `[EvalCtxt::flounder]`. diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs b/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs index 50253d815283..821e1e767369 100644 --- a/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs @@ -31,7 +31,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { goal: Goal<'tcx, NormalizesTo<'tcx>>, ) -> QueryResult<'tcx> { self.set_is_normalizes_to_goal(); - debug_assert!(self.term_is_fully_unconstrained(goal)); + // debug_assert!(self.term_is_fully_unconstrained(goal)); TODO: let normalize_result = self .probe(|&result| ProbeKind::TryNormalizeNonRigid { result }) .enter(|this| this.normalize_at_least_one_step(goal)); diff --git a/compiler/rustc_type_ir/src/infcx.rs b/compiler/rustc_type_ir/src/infcx.rs index 680e9e961d17..4fb1069ff661 100644 --- a/compiler/rustc_type_ir/src/infcx.rs +++ b/compiler/rustc_type_ir/src/infcx.rs @@ -1,7 +1,9 @@ use crate::fold::TypeFoldable; +use crate::relate::Relate; +use crate::solve::{Goal, NoSolution}; use crate::{self as ty, Interner}; -pub trait InferCtxtLike { +pub trait InferCtxtLike: Sized { type Interner: Interner; fn interner(&self) -> Self::Interner; @@ -31,6 +33,13 @@ pub trait InferCtxtLike { fn defining_opaque_types(&self) -> ::DefiningOpaqueTypes; + fn next_ty_infer(&self) -> ::Ty; + fn next_const_infer(&self) -> ::Const; + fn fresh_args_for_item( + &self, + def_id: ::DefId, + ) -> ::GenericArgs; + fn instantiate_binder_with_infer + Copy>( &self, value: ty::Binder, @@ -41,4 +50,23 @@ pub trait InferCtxtLike { value: ty::Binder, f: impl FnOnce(T) -> U, ) -> U; + + fn relate>( + &self, + param_env: ::ParamEnv, + lhs: T, + variance: ty::Variance, + rhs: T, + ) -> Result::Predicate>>, NoSolution>; + + fn eq_structurally_relating_aliases>( + &self, + param_env: ::ParamEnv, + lhs: T, + rhs: T, + ) -> Result::Predicate>>, NoSolution>; + + fn resolve_vars_if_possible(&self, value: T) -> T + where + T: TypeFoldable; } diff --git a/compiler/rustc_type_ir/src/inherent.rs b/compiler/rustc_type_ir/src/inherent.rs index bd88c4291e20..b2231d145357 100644 --- a/compiler/rustc_type_ir/src/inherent.rs +++ b/compiler/rustc_type_ir/src/inherent.rs @@ -183,6 +183,10 @@ pub trait Const>: fn new_unevaluated(interner: I, uv: ty::UnevaluatedConst) -> Self; fn new_expr(interner: I, expr: I::ExprConst) -> Self; + + fn is_ct_var(self) -> bool { + matches!(self.kind(), ty::ConstKind::Infer(ty::InferConst::Var(_))) + } } pub trait GenericsOf> { @@ -206,6 +210,28 @@ pub trait GenericArg>: pub trait Term>: Copy + Debug + Hash + Eq + IntoKind> + TypeFoldable + Relate { + fn as_type(&self) -> Option { + if let ty::TermKind::Ty(ty) = self.kind() { Some(ty) } else { None } + } + + fn expect_type(&self) -> I::Ty { + self.as_type().expect("expected a type, but found a const") + } + + fn as_const(&self) -> Option { + if let ty::TermKind::Const(c) = self.kind() { Some(c) } else { None } + } + + fn expect_const(&self) -> I::Const { + self.as_const().expect("expected a const, but found a type") + } + + fn is_infer(self) -> bool { + match self.kind() { + ty::TermKind::Ty(ty) => ty.is_ty_var(), + ty::TermKind::Const(ct) => ct.is_ct_var(), + } + } } pub trait GenericArgs>: @@ -251,12 +277,36 @@ pub trait Predicate>: + TypeSuperVisitable + TypeSuperFoldable + Flags + + UpcastFrom> + + UpcastFrom>> + + UpcastFrom> + + UpcastFrom>> + UpcastFrom + UpcastFrom> + UpcastFrom> + UpcastFrom>> + + IntoKind>> { fn is_coinductive(self, interner: I) -> bool; + + fn allow_normalization(self) -> bool { + match self.kind().skip_binder() { + ty::PredicateKind::Clause(ty::ClauseKind::WellFormed(_)) + | ty::PredicateKind::AliasRelate(..) + | ty::PredicateKind::NormalizesTo(..) => false, + ty::PredicateKind::Clause(ty::ClauseKind::Trait(_)) + | ty::PredicateKind::Clause(ty::ClauseKind::RegionOutlives(_)) + | ty::PredicateKind::Clause(ty::ClauseKind::TypeOutlives(_)) + | ty::PredicateKind::Clause(ty::ClauseKind::Projection(_)) + | ty::PredicateKind::Clause(ty::ClauseKind::ConstArgHasType(..)) + | ty::PredicateKind::ObjectSafe(_) + | ty::PredicateKind::Subtype(_) + | ty::PredicateKind::Coerce(_) + | ty::PredicateKind::Clause(ty::ClauseKind::ConstEvaluatable(_)) + | ty::PredicateKind::ConstEquate(_, _) + | ty::PredicateKind::Ambiguous => true, + } + } } pub trait Clause>: diff --git a/compiler/rustc_type_ir/src/interner.rs b/compiler/rustc_type_ir/src/interner.rs index ad983cc41871..f4f7a6e901c6 100644 --- a/compiler/rustc_type_ir/src/interner.rs +++ b/compiler/rustc_type_ir/src/interner.rs @@ -7,6 +7,7 @@ use std::ops::Deref; use crate::fold::TypeFoldable; use crate::inherent::*; use crate::ir_print::IrPrint; +use crate::lang_items::TraitSolverLangItem; use crate::relate::Relate; use crate::solve::inspect::CanonicalGoalEvaluationStep; use crate::visit::{Flags, TypeSuperVisitable, TypeVisitable}; @@ -175,6 +176,10 @@ pub trait Interner: ) -> ty::EarlyBinder>; fn has_target_features(self, def_id: Self::DefId) -> bool; + + fn require_lang_item(self, lang_item: TraitSolverLangItem) -> Self::DefId; + + fn associated_type_def_ids(self, def_id: Self::DefId) -> impl Iterator; } /// Imagine you have a function `F: FnOnce(&[T]) -> R`, plus an iterator `iter` diff --git a/compiler/rustc_type_ir/src/lang_items.rs b/compiler/rustc_type_ir/src/lang_items.rs new file mode 100644 index 000000000000..9a3b324fcd76 --- /dev/null +++ b/compiler/rustc_type_ir/src/lang_items.rs @@ -0,0 +1,8 @@ +/// Lang items used by the new trait solver. This can be mapped to whatever internal +/// representation of `LangItem`s used in the underlying compiler implementation. +pub enum TraitSolverLangItem { + Future, + FutureOutput, + AsyncFnKindHelper, + AsyncFnKindUpvars, +} diff --git a/compiler/rustc_type_ir/src/lib.rs b/compiler/rustc_type_ir/src/lib.rs index a76e278cc05d..7f0c3df381da 100644 --- a/compiler/rustc_type_ir/src/lib.rs +++ b/compiler/rustc_type_ir/src/lib.rs @@ -32,6 +32,7 @@ pub mod error; pub mod fold; pub mod inherent; pub mod ir_print; +pub mod lang_items; pub mod lift; pub mod relate; pub mod solve; From a2fb2ebc177cc4fa5933e72f3a81791e9b0b0083 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Wed, 12 Jun 2024 18:35:51 -0400 Subject: [PATCH 1488/1716] Fix some TODOs --- compiler/rustc_infer/src/infer/mod.rs | 8 +++++++ compiler/rustc_middle/src/ty/context.rs | 8 +++++++ .../src/solve/eval_ctxt/mod.rs | 7 +++--- .../src/solve/normalizes_to/mod.rs | 2 +- compiler/rustc_type_ir/src/infcx.rs | 3 +++ compiler/rustc_type_ir/src/inherent.rs | 22 ++++++++++++++++--- compiler/rustc_type_ir/src/interner.rs | 4 ++-- 7 files changed, 44 insertions(+), 10 deletions(-) diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs index e95949b92a96..6f40b9f72954 100644 --- a/compiler/rustc_infer/src/infer/mod.rs +++ b/compiler/rustc_infer/src/infer/mod.rs @@ -368,6 +368,14 @@ impl<'tcx> ty::InferCtxtLike for InferCtxt<'tcx> { } } + fn root_ty_var(&self, var: TyVid) -> TyVid { + self.root_var(var) + } + + fn root_const_var(&self, var: ConstVid) -> ConstVid { + self.root_const_var(var) + } + fn opportunistic_resolve_ty_var(&self, vid: TyVid) -> Ty<'tcx> { match self.probe_ty_var(vid) { Ok(ty) => ty, diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index ebcb47966eb3..849e10a952bd 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -324,12 +324,20 @@ impl<'tcx> Interner for TyCtxt<'tcx> { } impl<'tcx> rustc_type_ir::inherent::Abi> for abi::Abi { + fn rust() -> Self { + abi::Abi::Rust + } + fn is_rust(self) -> bool { matches!(self, abi::Abi::Rust) } } impl<'tcx> rustc_type_ir::inherent::Safety> for hir::Safety { + fn safe() -> Self { + hir::Safety::Safe + } + fn is_safe(self) -> bool { matches!(self, hir::Safety::Safe) } diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs index d35101b29f94..860c580374d1 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs @@ -18,6 +18,7 @@ use rustc_span::DUMMY_SP; use rustc_type_ir::fold::TypeSuperFoldable; use rustc_type_ir::inherent::*; use rustc_type_ir::relate::Relate; +use rustc_type_ir::visit::{TypeSuperVisitable, TypeVisitable, TypeVisitor}; use rustc_type_ir::{self as ir, CanonicalVarValues, Interner}; use rustc_type_ir_macros::{Lift_Generic, TypeFoldable_Generic, TypeVisitable_Generic}; use std::ops::ControlFlow; @@ -634,7 +635,6 @@ impl, I: Interner> EvalCtxt<'_, Infcx> { } } - /* TODO: /// Is the projection predicate is of the form `exists ::Assoc = T`. /// /// This is the case if the `term` does not occur in any other part of the predicate @@ -685,8 +685,8 @@ impl, I: Interner> EvalCtxt<'_, Infcx> { match t.kind() { ir::Infer(ir::TyVar(vid)) => { if let ir::TermKind::Ty(term) = self.term.kind() - && let Some(term_vid) = term.ty_vid() - && self.infcx.root_var(vid) == self.infcx.root_var(term_vid) + && let ir::Infer(ir::TyVar(term_vid)) = term.kind() + && self.infcx.root_ty_var(vid) == self.infcx.root_ty_var(term_vid) { ControlFlow::Break(()) } else { @@ -736,7 +736,6 @@ impl, I: Interner> EvalCtxt<'_, Infcx> { goal.predicate.alias.visit_with(&mut visitor).is_continue() && goal.param_env.visit_with(&mut visitor).is_continue() } - */ #[instrument(level = "trace", skip(self, param_env), ret)] pub(super) fn eq>( diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs b/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs index 821e1e767369..50253d815283 100644 --- a/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs @@ -31,7 +31,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { goal: Goal<'tcx, NormalizesTo<'tcx>>, ) -> QueryResult<'tcx> { self.set_is_normalizes_to_goal(); - // debug_assert!(self.term_is_fully_unconstrained(goal)); TODO: + debug_assert!(self.term_is_fully_unconstrained(goal)); let normalize_result = self .probe(|&result| ProbeKind::TryNormalizeNonRigid { result }) .enter(|this| this.normalize_at_least_one_step(goal)); diff --git a/compiler/rustc_type_ir/src/infcx.rs b/compiler/rustc_type_ir/src/infcx.rs index 4fb1069ff661..92a717a0d9ef 100644 --- a/compiler/rustc_type_ir/src/infcx.rs +++ b/compiler/rustc_type_ir/src/infcx.rs @@ -12,6 +12,9 @@ pub trait InferCtxtLike: Sized { fn universe_of_lt(&self, lt: ty::RegionVid) -> Option; fn universe_of_ct(&self, ct: ty::ConstVid) -> Option; + fn root_ty_var(&self, var: ty::TyVid) -> ty::TyVid; + fn root_const_var(&self, var: ty::ConstVid) -> ty::ConstVid; + fn opportunistic_resolve_ty_var(&self, vid: ty::TyVid) -> ::Ty; fn opportunistic_resolve_int_var(&self, vid: ty::IntVid) -> ::Ty; fn opportunistic_resolve_float_var( diff --git a/compiler/rustc_type_ir/src/inherent.rs b/compiler/rustc_type_ir/src/inherent.rs index b2231d145357..3f919d4b8760 100644 --- a/compiler/rustc_type_ir/src/inherent.rs +++ b/compiler/rustc_type_ir/src/inherent.rs @@ -111,7 +111,19 @@ pub trait Ty>: match self.kind() { ty::FnPtr(sig) => sig, ty::FnDef(def_id, args) => interner.fn_sig(def_id).instantiate(interner, &args), - _ => todo!("TODO:"), + ty::Error(_) => { + // ignore errors (#54954) + ty::Binder::dummy(ty::FnSig { + inputs_and_output: Default::default(), + c_variadic: false, + safety: I::Safety::safe(), + abi: I::Abi::rust(), + }) + } + ty::Closure(..) => panic!( + "to get the signature of a closure, use `args.as_closure().sig()` not `fn_sig()`", + ), + _ => panic!("Ty::fn_sig() called on non-fn type: {:?}", self), } } } @@ -129,12 +141,16 @@ pub trait Tys>: fn split_inputs_and_output(self) -> (I::FnInputTys, I::Ty); } -pub trait Abi>: Copy + Debug + Hash + Eq + TypeVisitable { +pub trait Abi>: Copy + Debug + Hash + Eq + Relate { + fn rust() -> Self; + /// Whether this ABI is `extern "Rust"`. fn is_rust(self) -> bool; } -pub trait Safety>: Copy + Debug + Hash + Eq + TypeVisitable { +pub trait Safety>: Copy + Debug + Hash + Eq + Relate { + fn safe() -> Self; + fn is_safe(self) -> bool; fn prefix_str(self) -> &'static str; diff --git a/compiler/rustc_type_ir/src/interner.rs b/compiler/rustc_type_ir/src/interner.rs index f4f7a6e901c6..bcf6c9b1a0ec 100644 --- a/compiler/rustc_type_ir/src/interner.rs +++ b/compiler/rustc_type_ir/src/interner.rs @@ -72,8 +72,8 @@ pub trait Interner: + IntoIterator>>; type AllocId: Copy + Debug + Hash + Eq; type Pat: Copy + Debug + Hash + Eq + Debug + Relate; - type Safety: Safety + TypeFoldable + Relate; - type Abi: Abi + TypeFoldable + Relate; + type Safety: Safety; + type Abi: Abi; // Kinds of consts type Const: Const; From ed1618dedc77b4984e8267ba015728aac665e360 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Thu, 13 Jun 2024 15:35:38 +0200 Subject: [PATCH 1489/1716] MIR visitor: constant -> const_operand --- compiler/rustc_borrowck/src/renumber.rs | 2 +- compiler/rustc_borrowck/src/type_check/mod.rs | 6 +++--- compiler/rustc_middle/src/mir/pretty.rs | 4 ++-- compiler/rustc_middle/src/mir/visit.rs | 14 +++++++------- .../rustc_mir_transform/src/known_panics_lint.rs | 6 +++--- compiler/rustc_mir_transform/src/promote_consts.rs | 2 +- .../rustc_mir_transform/src/required_consts.rs | 2 +- compiler/rustc_mir_transform/src/reveal_all.rs | 4 ++-- compiler/rustc_monomorphize/src/collector.rs | 2 +- compiler/rustc_monomorphize/src/polymorphize.rs | 2 +- compiler/rustc_smir/src/rustc_smir/builder.rs | 8 ++++++-- 11 files changed, 28 insertions(+), 24 deletions(-) diff --git a/compiler/rustc_borrowck/src/renumber.rs b/compiler/rustc_borrowck/src/renumber.rs index d382f264c37b..2858a407e098 100644 --- a/compiler/rustc_borrowck/src/renumber.rs +++ b/compiler/rustc_borrowck/src/renumber.rs @@ -113,7 +113,7 @@ impl<'a, 'tcx> MutVisitor<'tcx> for RegionRenumberer<'a, 'tcx> { } #[instrument(skip(self), level = "debug")] - fn visit_constant(&mut self, constant: &mut ConstOperand<'tcx>, location: Location) { + fn visit_const_operand(&mut self, constant: &mut ConstOperand<'tcx>, location: Location) { let const_ = constant.const_; constant.const_ = self.renumber_regions(const_, || RegionCtxt::Location(location)); debug!("constant: {:#?}", constant); diff --git a/compiler/rustc_borrowck/src/type_check/mod.rs b/compiler/rustc_borrowck/src/type_check/mod.rs index fcfb297d50aa..d51e3dbba3cb 100644 --- a/compiler/rustc_borrowck/src/type_check/mod.rs +++ b/compiler/rustc_borrowck/src/type_check/mod.rs @@ -301,10 +301,10 @@ impl<'a, 'b, 'tcx> Visitor<'tcx> for TypeVerifier<'a, 'b, 'tcx> { self.sanitize_place(place, location, context); } - fn visit_constant(&mut self, constant: &ConstOperand<'tcx>, location: Location) { - debug!(?constant, ?location, "visit_constant"); + fn visit_const_operand(&mut self, constant: &ConstOperand<'tcx>, location: Location) { + debug!(?constant, ?location, "visit_const_operand"); - self.super_constant(constant, location); + self.super_const_operand(constant, location); let ty = self.sanitize_type(constant, constant.const_.ty()); self.cx.infcx.tcx.for_each_free_region(&ty, |live_region| { diff --git a/compiler/rustc_middle/src/mir/pretty.rs b/compiler/rustc_middle/src/mir/pretty.rs index b64b7e2b1dc6..f1c3cb698969 100644 --- a/compiler/rustc_middle/src/mir/pretty.rs +++ b/compiler/rustc_middle/src/mir/pretty.rs @@ -1287,7 +1287,7 @@ fn use_verbose(ty: Ty<'_>, fn_def: bool) -> bool { } impl<'tcx> Visitor<'tcx> for ExtraComments<'tcx> { - fn visit_constant(&mut self, constant: &ConstOperand<'tcx>, _location: Location) { + fn visit_const_operand(&mut self, constant: &ConstOperand<'tcx>, _location: Location) { let ConstOperand { span, user_ty, const_ } = constant; if use_verbose(const_.ty(), true) { self.push("mir::ConstOperand"); @@ -1415,7 +1415,7 @@ pub fn write_allocations<'tcx>( struct CollectAllocIds(BTreeSet); impl<'tcx> Visitor<'tcx> for CollectAllocIds { - fn visit_constant(&mut self, c: &ConstOperand<'tcx>, _: Location) { + fn visit_const_operand(&mut self, c: &ConstOperand<'tcx>, _: Location) { match c.const_ { Const::Ty(_, _) | Const::Unevaluated(..) => {} Const::Val(val, _) => { diff --git a/compiler/rustc_middle/src/mir/visit.rs b/compiler/rustc_middle/src/mir/visit.rs index f553b417294a..10609e56f2c4 100644 --- a/compiler/rustc_middle/src/mir/visit.rs +++ b/compiler/rustc_middle/src/mir/visit.rs @@ -184,12 +184,12 @@ macro_rules! make_mir_visitor { /// This is called for every constant in the MIR body and every `required_consts` /// (i.e., including consts that have been dead-code-eliminated). - fn visit_constant( + fn visit_const_operand( &mut self, constant: & $($mutability)? ConstOperand<'tcx>, location: Location, ) { - self.super_constant(constant, location); + self.super_const_operand(constant, location); } fn visit_ty_const( @@ -597,7 +597,7 @@ macro_rules! make_mir_visitor { } InlineAsmOperand::Const { value } | InlineAsmOperand::SymFn { value } => { - self.visit_constant(value, location); + self.visit_const_operand(value, location); } InlineAsmOperand::Out { place: None, .. } | InlineAsmOperand::SymStatic { def_id: _ } @@ -788,7 +788,7 @@ macro_rules! make_mir_visitor { ); } Operand::Constant(constant) => { - self.visit_constant(constant, location); + self.visit_const_operand(constant, location); } } } @@ -867,7 +867,7 @@ macro_rules! make_mir_visitor { } } match value { - VarDebugInfoContents::Const(c) => self.visit_constant(c, location), + VarDebugInfoContents::Const(c) => self.visit_const_operand(c, location), VarDebugInfoContents::Place(place) => self.visit_place( place, @@ -882,7 +882,7 @@ macro_rules! make_mir_visitor { _scope: $(& $mutability)? SourceScope ) {} - fn super_constant( + fn super_const_operand( &mut self, constant: & $($mutability)? ConstOperand<'tcx>, location: Location @@ -1057,7 +1057,7 @@ macro_rules! super_body { for const_ in &$($mutability)? $body.required_consts { let location = Location::START; - $self.visit_constant(const_, location); + $self.visit_const_operand(const_, location); } } } diff --git a/compiler/rustc_mir_transform/src/known_panics_lint.rs b/compiler/rustc_mir_transform/src/known_panics_lint.rs index 6a20b46e7f9c..8d6c00bbedba 100644 --- a/compiler/rustc_mir_transform/src/known_panics_lint.rs +++ b/compiler/rustc_mir_transform/src/known_panics_lint.rs @@ -706,9 +706,9 @@ impl<'tcx> Visitor<'tcx> for ConstPropagator<'_, 'tcx> { self.super_operand(operand, location); } - fn visit_constant(&mut self, constant: &ConstOperand<'tcx>, location: Location) { - trace!("visit_constant: {:?}", constant); - self.super_constant(constant, location); + fn visit_const_operand(&mut self, constant: &ConstOperand<'tcx>, location: Location) { + trace!("visit_const_operand: {:?}", constant); + self.super_const_operand(constant, location); self.eval_constant(constant); } diff --git a/compiler/rustc_mir_transform/src/promote_consts.rs b/compiler/rustc_mir_transform/src/promote_consts.rs index ecd1179ca995..ecdca8292b43 100644 --- a/compiler/rustc_mir_transform/src/promote_consts.rs +++ b/compiler/rustc_mir_transform/src/promote_consts.rs @@ -956,7 +956,7 @@ impl<'a, 'tcx> MutVisitor<'tcx> for Promoter<'a, 'tcx> { } } - fn visit_constant(&mut self, constant: &mut ConstOperand<'tcx>, _location: Location) { + fn visit_const_operand(&mut self, constant: &mut ConstOperand<'tcx>, _location: Location) { if constant.const_.is_required_const() { self.promoted.required_consts.push(*constant); } diff --git a/compiler/rustc_mir_transform/src/required_consts.rs b/compiler/rustc_mir_transform/src/required_consts.rs index 71ac929d35eb..00bfb5e66008 100644 --- a/compiler/rustc_mir_transform/src/required_consts.rs +++ b/compiler/rustc_mir_transform/src/required_consts.rs @@ -12,7 +12,7 @@ impl<'a, 'tcx> RequiredConstsVisitor<'a, 'tcx> { } impl<'tcx> Visitor<'tcx> for RequiredConstsVisitor<'_, 'tcx> { - fn visit_constant(&mut self, constant: &ConstOperand<'tcx>, _: Location) { + fn visit_const_operand(&mut self, constant: &ConstOperand<'tcx>, _: Location) { if constant.const_.is_required_const() { self.required_consts.push(*constant); } diff --git a/compiler/rustc_mir_transform/src/reveal_all.rs b/compiler/rustc_mir_transform/src/reveal_all.rs index 4d2eca578404..5eaa024f8468 100644 --- a/compiler/rustc_mir_transform/src/reveal_all.rs +++ b/compiler/rustc_mir_transform/src/reveal_all.rs @@ -49,14 +49,14 @@ impl<'tcx> MutVisitor<'tcx> for RevealAllVisitor<'tcx> { } #[inline] - fn visit_constant(&mut self, constant: &mut ConstOperand<'tcx>, location: Location) { + fn visit_const_operand(&mut self, constant: &mut ConstOperand<'tcx>, location: Location) { // We have to use `try_normalize_erasing_regions` here, since it's // possible that we visit impossible-to-satisfy where clauses here, // see #91745 if let Ok(c) = self.tcx.try_normalize_erasing_regions(self.param_env, constant.const_) { constant.const_ = c; } - self.super_constant(constant, location); + self.super_const_operand(constant, location); } #[inline] diff --git a/compiler/rustc_monomorphize/src/collector.rs b/compiler/rustc_monomorphize/src/collector.rs index 61680dbfaf52..91eaa957d7ee 100644 --- a/compiler/rustc_monomorphize/src/collector.rs +++ b/compiler/rustc_monomorphize/src/collector.rs @@ -799,7 +799,7 @@ impl<'a, 'tcx> MirVisitor<'tcx> for MirUsedCollector<'a, 'tcx> { /// This does not walk the MIR of the constant as that is not needed for codegen, all we need is /// to ensure that the constant evaluates successfully and walk the result. #[instrument(skip(self), level = "debug")] - fn visit_constant(&mut self, constant: &mir::ConstOperand<'tcx>, location: Location) { + fn visit_const_operand(&mut self, constant: &mir::ConstOperand<'tcx>, location: Location) { // No `super_constant` as we don't care about `visit_ty`/`visit_ty_const`. let Some(val) = self.eval_constant(constant) else { return }; collect_const_value(self.tcx, val, self.used_items); diff --git a/compiler/rustc_monomorphize/src/polymorphize.rs b/compiler/rustc_monomorphize/src/polymorphize.rs index a3ca9e9f9cfe..c187cb63ee18 100644 --- a/compiler/rustc_monomorphize/src/polymorphize.rs +++ b/compiler/rustc_monomorphize/src/polymorphize.rs @@ -261,7 +261,7 @@ impl<'a, 'tcx> Visitor<'tcx> for MarkUsedGenericParams<'a, 'tcx> { self.super_local_decl(local, local_decl); } - fn visit_constant(&mut self, ct: &mir::ConstOperand<'tcx>, location: Location) { + fn visit_const_operand(&mut self, ct: &mir::ConstOperand<'tcx>, location: Location) { match ct.const_ { mir::Const::Ty(_, c) => { c.visit_with(self); diff --git a/compiler/rustc_smir/src/rustc_smir/builder.rs b/compiler/rustc_smir/src/rustc_smir/builder.rs index 221224eed017..577373cbc958 100644 --- a/compiler/rustc_smir/src/rustc_smir/builder.rs +++ b/compiler/rustc_smir/src/rustc_smir/builder.rs @@ -52,7 +52,11 @@ impl<'tcx> BodyBuilder<'tcx> { } impl<'tcx> MutVisitor<'tcx> for BodyBuilder<'tcx> { - fn visit_constant(&mut self, constant: &mut mir::ConstOperand<'tcx>, location: mir::Location) { + fn visit_const_operand( + &mut self, + constant: &mut mir::ConstOperand<'tcx>, + location: mir::Location, + ) { let const_ = constant.const_; let val = match const_.eval(self.tcx, ty::ParamEnv::reveal_all(), constant.span) { Ok(v) => v, @@ -63,7 +67,7 @@ impl<'tcx> MutVisitor<'tcx> for BodyBuilder<'tcx> { }; let ty = constant.ty(); constant.const_ = mir::Const::Val(val, ty); - self.super_constant(constant, location); + self.super_const_operand(constant, location); } fn tcx(&self) -> TyCtxt<'tcx> { From c8e42065f0f1d1a5cdb29c4279b1f2c25bc8737b Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Thu, 13 Jun 2024 09:47:42 -0400 Subject: [PATCH 1490/1716] Address nits - Remove the ValuePairs glob import - Make DummyPairs -> ValuePairs::Dummy and make it bug more - Fix WC - Make interner return `impl IntoIterator`s --- compiler/rustc_infer/src/infer/at.rs | 37 +++++++++------ .../src/infer/error_reporting/mod.rs | 22 +++++---- compiler/rustc_infer/src/infer/mod.rs | 11 ++--- compiler/rustc_middle/src/ty/context.rs | 8 ++-- compiler/rustc_middle/src/ty/predicate.rs | 4 ++ .../src/solve/assembly/structural_traits.rs | 46 +++++++++++-------- .../src/solve/inspect/build.rs | 7 +-- compiler/rustc_type_ir/src/inherent.rs | 20 +------- compiler/rustc_type_ir/src/interner.rs | 8 ++-- 9 files changed, 85 insertions(+), 78 deletions(-) diff --git a/compiler/rustc_infer/src/infer/at.rs b/compiler/rustc_infer/src/infer/at.rs index 2d06a7c693ff..5e9c3c64e39e 100644 --- a/compiler/rustc_infer/src/infer/at.rs +++ b/compiler/rustc_infer/src/infer/at.rs @@ -347,7 +347,7 @@ impl<'tcx> ToTrace<'tcx> for Ty<'tcx> { ) -> TypeTrace<'tcx> { TypeTrace { cause: cause.clone(), - values: Terms(ExpectedFound::new(a_is_expected, a.into(), b.into())), + values: ValuePairs::Terms(ExpectedFound::new(a_is_expected, a.into(), b.into())), } } } @@ -359,7 +359,10 @@ impl<'tcx> ToTrace<'tcx> for ty::Region<'tcx> { a: Self, b: Self, ) -> TypeTrace<'tcx> { - TypeTrace { cause: cause.clone(), values: Regions(ExpectedFound::new(a_is_expected, a, b)) } + TypeTrace { + cause: cause.clone(), + values: ValuePairs::Regions(ExpectedFound::new(a_is_expected, a, b)), + } } } @@ -372,7 +375,7 @@ impl<'tcx> ToTrace<'tcx> for Const<'tcx> { ) -> TypeTrace<'tcx> { TypeTrace { cause: cause.clone(), - values: Terms(ExpectedFound::new(a_is_expected, a.into(), b.into())), + values: ValuePairs::Terms(ExpectedFound::new(a_is_expected, a.into(), b.into())), } } } @@ -388,13 +391,13 @@ impl<'tcx> ToTrace<'tcx> for ty::GenericArg<'tcx> { cause: cause.clone(), values: match (a.unpack(), b.unpack()) { (GenericArgKind::Lifetime(a), GenericArgKind::Lifetime(b)) => { - Regions(ExpectedFound::new(a_is_expected, a, b)) + ValuePairs::Regions(ExpectedFound::new(a_is_expected, a, b)) } (GenericArgKind::Type(a), GenericArgKind::Type(b)) => { - Terms(ExpectedFound::new(a_is_expected, a.into(), b.into())) + ValuePairs::Terms(ExpectedFound::new(a_is_expected, a.into(), b.into())) } (GenericArgKind::Const(a), GenericArgKind::Const(b)) => { - Terms(ExpectedFound::new(a_is_expected, a.into(), b.into())) + ValuePairs::Terms(ExpectedFound::new(a_is_expected, a.into(), b.into())) } ( @@ -423,7 +426,10 @@ impl<'tcx> ToTrace<'tcx> for ty::Term<'tcx> { a: Self, b: Self, ) -> TypeTrace<'tcx> { - TypeTrace { cause: cause.clone(), values: Terms(ExpectedFound::new(a_is_expected, a, b)) } + TypeTrace { + cause: cause.clone(), + values: ValuePairs::Terms(ExpectedFound::new(a_is_expected, a, b)), + } } } @@ -436,7 +442,7 @@ impl<'tcx> ToTrace<'tcx> for ty::TraitRef<'tcx> { ) -> TypeTrace<'tcx> { TypeTrace { cause: cause.clone(), - values: TraitRefs(ExpectedFound::new(a_is_expected, a, b)), + values: ValuePairs::TraitRefs(ExpectedFound::new(a_is_expected, a, b)), } } } @@ -450,7 +456,7 @@ impl<'tcx> ToTrace<'tcx> for ty::AliasTy<'tcx> { ) -> TypeTrace<'tcx> { TypeTrace { cause: cause.clone(), - values: Aliases(ExpectedFound::new(a_is_expected, a.into(), b.into())), + values: ValuePairs::Aliases(ExpectedFound::new(a_is_expected, a.into(), b.into())), } } } @@ -462,7 +468,10 @@ impl<'tcx> ToTrace<'tcx> for ty::AliasTerm<'tcx> { a: Self, b: Self, ) -> TypeTrace<'tcx> { - TypeTrace { cause: cause.clone(), values: Aliases(ExpectedFound::new(a_is_expected, a, b)) } + TypeTrace { + cause: cause.clone(), + values: ValuePairs::Aliases(ExpectedFound::new(a_is_expected, a, b)), + } } } @@ -475,7 +484,7 @@ impl<'tcx> ToTrace<'tcx> for ty::FnSig<'tcx> { ) -> TypeTrace<'tcx> { TypeTrace { cause: cause.clone(), - values: PolySigs(ExpectedFound::new( + values: ValuePairs::PolySigs(ExpectedFound::new( a_is_expected, ty::Binder::dummy(a), ty::Binder::dummy(b), @@ -493,7 +502,7 @@ impl<'tcx> ToTrace<'tcx> for ty::PolyFnSig<'tcx> { ) -> TypeTrace<'tcx> { TypeTrace { cause: cause.clone(), - values: PolySigs(ExpectedFound::new(a_is_expected, a, b)), + values: ValuePairs::PolySigs(ExpectedFound::new(a_is_expected, a, b)), } } } @@ -507,7 +516,7 @@ impl<'tcx> ToTrace<'tcx> for ty::PolyExistentialTraitRef<'tcx> { ) -> TypeTrace<'tcx> { TypeTrace { cause: cause.clone(), - values: ExistentialTraitRef(ExpectedFound::new(a_is_expected, a, b)), + values: ValuePairs::ExistentialTraitRef(ExpectedFound::new(a_is_expected, a, b)), } } } @@ -521,7 +530,7 @@ impl<'tcx> ToTrace<'tcx> for ty::PolyExistentialProjection<'tcx> { ) -> TypeTrace<'tcx> { TypeTrace { cause: cause.clone(), - values: ExistentialProjection(ExpectedFound::new(a_is_expected, a, b)), + values: ValuePairs::ExistentialProjection(ExpectedFound::new(a_is_expected, a, b)), } } } diff --git a/compiler/rustc_infer/src/infer/error_reporting/mod.rs b/compiler/rustc_infer/src/infer/error_reporting/mod.rs index d8a2857a11d1..7fb07a5d30c4 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/mod.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/mod.rs @@ -1707,7 +1707,9 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { ValuePairs::ExistentialProjection(_) => { (false, Mismatch::Fixed("existential projection")) } - infer::DummyPair => (false, Mismatch::Fixed("values")), + ValuePairs::Dummy => { + bug!("do not expect to report a type error from a ValuePairs::Dummy") + } }; let Some(vals) = self.values_str(values) else { // Derived error. Cancel the emitter. @@ -2251,12 +2253,12 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { values: ValuePairs<'tcx>, ) -> Option<(DiagStyledString, DiagStyledString, Option)> { match values { - infer::Regions(exp_found) => self.expected_found_str(exp_found), - infer::Terms(exp_found) => self.expected_found_str_term(exp_found), - infer::Aliases(exp_found) => self.expected_found_str(exp_found), - infer::ExistentialTraitRef(exp_found) => self.expected_found_str(exp_found), - infer::ExistentialProjection(exp_found) => self.expected_found_str(exp_found), - infer::TraitRefs(exp_found) => { + ValuePairs::Regions(exp_found) => self.expected_found_str(exp_found), + ValuePairs::Terms(exp_found) => self.expected_found_str_term(exp_found), + ValuePairs::Aliases(exp_found) => self.expected_found_str(exp_found), + ValuePairs::ExistentialTraitRef(exp_found) => self.expected_found_str(exp_found), + ValuePairs::ExistentialProjection(exp_found) => self.expected_found_str(exp_found), + ValuePairs::TraitRefs(exp_found) => { let pretty_exp_found = ty::error::ExpectedFound { expected: exp_found.expected.print_trait_sugared(), found: exp_found.found.print_trait_sugared(), @@ -2268,7 +2270,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { ret => ret, } } - infer::PolySigs(exp_found) => { + ValuePairs::PolySigs(exp_found) => { let exp_found = self.resolve_vars_if_possible(exp_found); if exp_found.references_error() { return None; @@ -2276,7 +2278,9 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { let (exp, fnd) = self.cmp_fn_sig(&exp_found.expected, &exp_found.found); Some((exp, fnd, None)) } - infer::DummyPair => None, + ValuePairs::Dummy => { + bug!("do not expect to report a type error from a ValuePairs::Dummy") + } } } diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs index 6f40b9f72954..dcf415e720fb 100644 --- a/compiler/rustc_infer/src/infer/mod.rs +++ b/compiler/rustc_infer/src/infer/mod.rs @@ -9,7 +9,6 @@ pub use rustc_middle::ty::IntVarValue; pub use BoundRegionConversionTime::*; pub use RegionVariableOrigin::*; pub use SubregionOrigin::*; -pub use ValuePairs::*; use crate::infer::relate::{Relate, RelateResult}; use crate::traits::{self, ObligationCause, ObligationInspector, PredicateObligation, TraitEngine}; @@ -484,7 +483,7 @@ pub enum ValuePairs<'tcx> { PolySigs(ExpectedFound>), ExistentialTraitRef(ExpectedFound>), ExistentialProjection(ExpectedFound>), - DummyPair, + Dummy, } impl<'tcx> ValuePairs<'tcx> { @@ -1880,7 +1879,7 @@ impl<'tcx> TypeTrace<'tcx> { ) -> TypeTrace<'tcx> { TypeTrace { cause: cause.clone(), - values: Terms(ExpectedFound::new(a_is_expected, a.into(), b.into())), + values: ValuePairs::Terms(ExpectedFound::new(a_is_expected, a.into(), b.into())), } } @@ -1892,7 +1891,7 @@ impl<'tcx> TypeTrace<'tcx> { ) -> TypeTrace<'tcx> { TypeTrace { cause: cause.clone(), - values: TraitRefs(ExpectedFound::new(a_is_expected, a, b)), + values: ValuePairs::TraitRefs(ExpectedFound::new(a_is_expected, a, b)), } } @@ -1904,12 +1903,12 @@ impl<'tcx> TypeTrace<'tcx> { ) -> TypeTrace<'tcx> { TypeTrace { cause: cause.clone(), - values: Terms(ExpectedFound::new(a_is_expected, a.into(), b.into())), + values: ValuePairs::Terms(ExpectedFound::new(a_is_expected, a.into(), b.into())), } } fn dummy(cause: &ObligationCause<'tcx>) -> TypeTrace<'tcx> { - TypeTrace { cause: cause.clone(), values: ValuePairs::DummyPair } + TypeTrace { cause: cause.clone(), values: ValuePairs::Dummy } } } diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index 849e10a952bd..3651c990c979 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -263,7 +263,7 @@ impl<'tcx> Interner for TyCtxt<'tcx> { fn bound_coroutine_hidden_types( self, def_id: DefId, - ) -> impl Iterator>>> { + ) -> impl IntoIterator>>> { self.bound_coroutine_hidden_types(def_id) } @@ -286,14 +286,14 @@ impl<'tcx> Interner for TyCtxt<'tcx> { fn item_bounds( self, def_id: DefId, - ) -> ty::EarlyBinder<'tcx, impl Iterator>> { + ) -> ty::EarlyBinder<'tcx, impl IntoIterator>> { self.item_bounds(def_id).map_bound(IntoIterator::into_iter) } fn super_predicates_of( self, def_id: DefId, - ) -> ty::EarlyBinder<'tcx, impl Iterator>> { + ) -> ty::EarlyBinder<'tcx, impl IntoIterator>> { ty::EarlyBinder::bind( self.super_predicates_of(def_id).instantiate_identity(self).predicates.into_iter(), ) @@ -315,7 +315,7 @@ impl<'tcx> Interner for TyCtxt<'tcx> { ) } - fn associated_type_def_ids(self, def_id: DefId) -> impl Iterator { + fn associated_type_def_ids(self, def_id: DefId) -> impl IntoIterator { self.associated_items(def_id) .in_definition_order() .filter(|assoc_item| matches!(assoc_item.kind, ty::AssocKind::Type)) diff --git a/compiler/rustc_middle/src/ty/predicate.rs b/compiler/rustc_middle/src/ty/predicate.rs index 0f63490ea01c..ae36f2624ca5 100644 --- a/compiler/rustc_middle/src/ty/predicate.rs +++ b/compiler/rustc_middle/src/ty/predicate.rs @@ -49,6 +49,10 @@ impl<'tcx> rustc_type_ir::inherent::Predicate> for Predicate<'tcx> fn is_coinductive(self, interner: TyCtxt<'tcx>) -> bool { self.is_coinductive(interner) } + + fn allow_normalization(self) -> bool { + self.allow_normalization() + } } impl<'tcx> rustc_type_ir::inherent::IntoKind for Predicate<'tcx> { diff --git a/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs b/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs index f232ddcf7970..d6074617cafe 100644 --- a/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs +++ b/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs @@ -17,13 +17,14 @@ use crate::solve::EvalCtxt; // For types with an "existential" binder, i.e. coroutine witnesses, we also // instantiate the binder with placeholders eagerly. #[instrument(level = "trace", skip(ecx), ret)] -pub(in crate::solve) fn instantiate_constituent_tys_for_auto_trait< - Infcx: InferCtxtLike, - I: Interner, ->( +pub(in crate::solve) fn instantiate_constituent_tys_for_auto_trait( ecx: &EvalCtxt<'_, Infcx>, ty: I::Ty, -) -> Result>, NoSolution> { +) -> Result>, NoSolution> +where + Infcx: InferCtxtLike, + I: Interner, +{ let tcx = ecx.interner(); match ty.kind() { ty::Uint(_) @@ -79,6 +80,7 @@ pub(in crate::solve) fn instantiate_constituent_tys_for_auto_trait< ty::CoroutineWitness(def_id, args) => Ok(ecx .interner() .bound_coroutine_hidden_types(def_id) + .into_iter() .map(|bty| bty.instantiate(tcx, &args)) .collect()), @@ -101,13 +103,14 @@ pub(in crate::solve) fn instantiate_constituent_tys_for_auto_trait< } #[instrument(level = "trace", skip(ecx), ret)] -pub(in crate::solve) fn instantiate_constituent_tys_for_sized_trait< - Infcx: InferCtxtLike, - I: Interner, ->( +pub(in crate::solve) fn instantiate_constituent_tys_for_sized_trait( ecx: &EvalCtxt<'_, Infcx>, ty: I::Ty, -) -> Result>, NoSolution> { +) -> Result>, NoSolution> +where + Infcx: InferCtxtLike, + I: Interner, +{ match ty.kind() { // impl Sized for u*, i*, bool, f*, FnDef, FnPtr, *(const/mut) T, char, &mut? T, [T; N], dyn* Trait, ! // impl Sized for Coroutine, CoroutineWitness, Closure, CoroutineClosure @@ -168,13 +171,14 @@ pub(in crate::solve) fn instantiate_constituent_tys_for_sized_trait< } #[instrument(level = "trace", skip(ecx), ret)] -pub(in crate::solve) fn instantiate_constituent_tys_for_copy_clone_trait< - Infcx: InferCtxtLike, - I: Interner, ->( +pub(in crate::solve) fn instantiate_constituent_tys_for_copy_clone_trait( ecx: &EvalCtxt<'_, Infcx>, ty: I::Ty, -) -> Result>, NoSolution> { +) -> Result>, NoSolution> +where + Infcx: InferCtxtLike, + I: Interner, +{ match ty.kind() { // impl Copy/Clone for FnDef, FnPtr ty::FnDef(..) | ty::FnPtr(_) | ty::Error(_) => Ok(vec![]), @@ -239,6 +243,7 @@ pub(in crate::solve) fn instantiate_constituent_tys_for_copy_clone_trait< ty::CoroutineWitness(def_id, args) => Ok(ecx .interner() .bound_coroutine_hidden_types(def_id) + .into_iter() .map(|bty| bty.instantiate(ecx.interner(), &args)) .collect()), } @@ -651,15 +656,16 @@ fn coroutine_closure_to_ambiguous_coroutine( // This is unsound in general and once that is fixed, we don't need to // normalize eagerly here. See https://github.com/lcnr/solver-woes/issues/9 // for more details. -pub(in crate::solve) fn predicates_for_object_candidate< - Infcx: InferCtxtLike, - I: Interner, ->( +pub(in crate::solve) fn predicates_for_object_candidate( ecx: &EvalCtxt<'_, Infcx>, param_env: I::ParamEnv, trait_ref: ty::TraitRef, object_bounds: I::BoundExistentialPredicates, -) -> Vec> { +) -> Vec> +where + Infcx: InferCtxtLike, + I: Interner, +{ let tcx = ecx.interner(); let mut requirements = vec![]; requirements diff --git a/compiler/rustc_trait_selection/src/solve/inspect/build.rs b/compiler/rustc_trait_selection/src/solve/inspect/build.rs index 84c04900ae48..35750598bc74 100644 --- a/compiler/rustc_trait_selection/src/solve/inspect/build.rs +++ b/compiler/rustc_trait_selection/src/solve/inspect/build.rs @@ -34,10 +34,11 @@ use rustc_type_ir::{self as ty, InferCtxtLike, Interner}; /// trees. At the end of trait solving `ProofTreeBuilder::finalize` /// is called to recursively convert the whole structure to a /// finished proof tree. -pub(in crate::solve) struct ProofTreeBuilder< +pub(in crate::solve) struct ProofTreeBuilder::Interner> +where Infcx: InferCtxtLike, - I: Interner = ::Interner, -> { + I: Interner, +{ _infcx: PhantomData, state: Option>>, } diff --git a/compiler/rustc_type_ir/src/inherent.rs b/compiler/rustc_type_ir/src/inherent.rs index 3f919d4b8760..6b84592978a2 100644 --- a/compiler/rustc_type_ir/src/inherent.rs +++ b/compiler/rustc_type_ir/src/inherent.rs @@ -305,24 +305,8 @@ pub trait Predicate>: { fn is_coinductive(self, interner: I) -> bool; - fn allow_normalization(self) -> bool { - match self.kind().skip_binder() { - ty::PredicateKind::Clause(ty::ClauseKind::WellFormed(_)) - | ty::PredicateKind::AliasRelate(..) - | ty::PredicateKind::NormalizesTo(..) => false, - ty::PredicateKind::Clause(ty::ClauseKind::Trait(_)) - | ty::PredicateKind::Clause(ty::ClauseKind::RegionOutlives(_)) - | ty::PredicateKind::Clause(ty::ClauseKind::TypeOutlives(_)) - | ty::PredicateKind::Clause(ty::ClauseKind::Projection(_)) - | ty::PredicateKind::Clause(ty::ClauseKind::ConstArgHasType(..)) - | ty::PredicateKind::ObjectSafe(_) - | ty::PredicateKind::Subtype(_) - | ty::PredicateKind::Coerce(_) - | ty::PredicateKind::Clause(ty::ClauseKind::ConstEvaluatable(_)) - | ty::PredicateKind::ConstEquate(_, _) - | ty::PredicateKind::Ambiguous => true, - } - } + // FIXME: Eventually uplift the impl out of rustc and make this defaulted. + fn allow_normalization(self) -> bool; } pub trait Clause>: diff --git a/compiler/rustc_type_ir/src/interner.rs b/compiler/rustc_type_ir/src/interner.rs index bcf6c9b1a0ec..a2b71e1fc257 100644 --- a/compiler/rustc_type_ir/src/interner.rs +++ b/compiler/rustc_type_ir/src/interner.rs @@ -152,7 +152,7 @@ pub trait Interner: fn bound_coroutine_hidden_types( self, def_id: Self::DefId, - ) -> impl Iterator>>; + ) -> impl IntoIterator>>; fn fn_sig( self, @@ -168,18 +168,18 @@ pub trait Interner: fn item_bounds( self, def_id: Self::DefId, - ) -> ty::EarlyBinder>; + ) -> ty::EarlyBinder>; fn super_predicates_of( self, def_id: Self::DefId, - ) -> ty::EarlyBinder>; + ) -> ty::EarlyBinder>; fn has_target_features(self, def_id: Self::DefId) -> bool; fn require_lang_item(self, lang_item: TraitSolverLangItem) -> Self::DefId; - fn associated_type_def_ids(self, def_id: Self::DefId) -> impl Iterator; + fn associated_type_def_ids(self, def_id: Self::DefId) -> impl IntoIterator; } /// Imagine you have a function `F: FnOnce(&[T]) -> R`, plus an iterator `iter` From b89a0a7838dc95362235a17d6f3d2cb90f466728 Mon Sep 17 00:00:00 2001 From: Dario Nieuwenhuis Date: Thu, 13 Jun 2024 16:04:31 +0200 Subject: [PATCH 1491/1716] Add debuginfo tests for collapse_debuginfo for statics. --- .../collapse-debuginfo-static-external.rs | 24 +++++++++++++++++++ tests/debuginfo/collapse-debuginfo-static.rs | 24 +++++++++++++++++++ 2 files changed, 48 insertions(+) create mode 100644 tests/debuginfo/collapse-debuginfo-static-external.rs create mode 100644 tests/debuginfo/collapse-debuginfo-static.rs diff --git a/tests/debuginfo/collapse-debuginfo-static-external.rs b/tests/debuginfo/collapse-debuginfo-static-external.rs new file mode 100644 index 000000000000..2209bb9bd948 --- /dev/null +++ b/tests/debuginfo/collapse-debuginfo-static-external.rs @@ -0,0 +1,24 @@ +//@ ignore-lldb + +// Test that static debug info is not collapsed with #[collapse_debuginfo(external)] + +//@ compile-flags:-g + +// === GDB TESTS =================================================================================== + +// gdb-command:info line collapse_debuginfo_static_external::FOO +// gdb-check:[...]Line 15[...] + +#[collapse_debuginfo(external)] +macro_rules! decl_foo { + () => { + static FOO: u32 = 0; + }; +} + +decl_foo!(); + +fn main() { + // prevent FOO from getting optimized out + std::hint::black_box(&FOO); +} diff --git a/tests/debuginfo/collapse-debuginfo-static.rs b/tests/debuginfo/collapse-debuginfo-static.rs new file mode 100644 index 000000000000..e6469da4785e --- /dev/null +++ b/tests/debuginfo/collapse-debuginfo-static.rs @@ -0,0 +1,24 @@ +//@ ignore-lldb + +// Test that static debug info is collapsed with #[collapse_debuginfo(yes)] + +//@ compile-flags:-g + +// === GDB TESTS =================================================================================== + +// gdb-command:info line collapse_debuginfo_static::FOO +// gdb-check:[...]Line 19[...] + +#[collapse_debuginfo(yes)] +macro_rules! decl_foo { + () => { + static FOO: u32 = 0; + }; +} + +decl_foo!(); + +fn main() { + // prevent FOO from getting optimized out + std::hint::black_box(&FOO); +} From dcee529e5c9dc505cc28b6b05d50b78ae2ab8b7e Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Thu, 13 Jun 2024 15:37:27 +0200 Subject: [PATCH 1492/1716] smir: merge identical Constant and ConstOperand types --- .../rustc_smir/src/rustc_smir/convert/mir.rs | 6 ++--- compiler/stable_mir/src/mir/body.rs | 27 +++++++------------ compiler/stable_mir/src/mir/pretty.rs | 2 +- compiler/stable_mir/src/mir/visit.rs | 12 ++++----- .../ui-fulldeps/stable-mir/check_transform.rs | 8 +++--- 5 files changed, 24 insertions(+), 31 deletions(-) diff --git a/compiler/rustc_smir/src/rustc_smir/convert/mir.rs b/compiler/rustc_smir/src/rustc_smir/convert/mir.rs index bcacf54baf36..f15b82d0c031 100644 --- a/compiler/rustc_smir/src/rustc_smir/convert/mir.rs +++ b/compiler/rustc_smir/src/rustc_smir/convert/mir.rs @@ -328,13 +328,13 @@ impl<'tcx> Stable<'tcx> for mir::Operand<'tcx> { } impl<'tcx> Stable<'tcx> for mir::ConstOperand<'tcx> { - type T = stable_mir::mir::Constant; + type T = stable_mir::mir::ConstOperand; fn stable(&self, tables: &mut Tables<'_>) -> Self::T { - stable_mir::mir::Constant { + stable_mir::mir::ConstOperand { span: self.span.stable(tables), user_ty: self.user_ty.map(|u| u.as_usize()).or(None), - literal: self.const_.stable(tables), + const_: self.const_.stable(tables), } } } diff --git a/compiler/stable_mir/src/mir/body.rs b/compiler/stable_mir/src/mir/body.rs index 43e4682dc100..e0f9e7ae67a0 100644 --- a/compiler/stable_mir/src/mir/body.rs +++ b/compiler/stable_mir/src/mir/body.rs @@ -637,7 +637,7 @@ pub enum AggregateKind { pub enum Operand { Copy(Place), Move(Place), - Constant(Constant), + Constant(ConstOperand), } #[derive(Clone, Eq, PartialEq)] @@ -653,6 +653,13 @@ impl From for Place { } } +#[derive(Clone, Debug, Eq, PartialEq)] +pub struct ConstOperand { + pub span: Span, + pub user_ty: Option, + pub const_: MirConst, +} + /// Debug information pertaining to a user variable. #[derive(Clone, Debug, Eq, PartialEq)] pub struct VarDebugInfo { @@ -714,13 +721,6 @@ pub enum VarDebugInfoContents { Const(ConstOperand), } -#[derive(Clone, Debug, Eq, PartialEq)] -pub struct ConstOperand { - pub span: Span, - pub user_ty: Option, - pub const_: MirConst, -} - // In MIR ProjectionElem is parameterized on the second Field argument and the Index argument. This // is so it can be used for both Places (for which the projection elements are of type // ProjectionElem) and user-provided type annotations (for which the projection elements @@ -829,13 +829,6 @@ pub type FieldIdx = usize; type UserTypeAnnotationIndex = usize; -#[derive(Clone, Debug, Eq, PartialEq)] -pub struct Constant { - pub span: Span, - pub user_ty: Option, - pub literal: MirConst, -} - /// The possible branch sites of a [TerminatorKind::SwitchInt]. #[derive(Clone, Debug, Eq, PartialEq)] pub struct SwitchTargets { @@ -1001,9 +994,9 @@ impl Operand { } } -impl Constant { +impl ConstOperand { pub fn ty(&self) -> Ty { - self.literal.ty() + self.const_.ty() } } diff --git a/compiler/stable_mir/src/mir/pretty.rs b/compiler/stable_mir/src/mir/pretty.rs index 2fb180b84c7c..83734a0d1382 100644 --- a/compiler/stable_mir/src/mir/pretty.rs +++ b/compiler/stable_mir/src/mir/pretty.rs @@ -310,7 +310,7 @@ fn pretty_operand(operand: &Operand) -> String { Operand::Move(mv) => { format!("move {:?}", mv) } - Operand::Constant(cnst) => pretty_mir_const(&cnst.literal), + Operand::Constant(cnst) => pretty_mir_const(&cnst.const_), } } diff --git a/compiler/stable_mir/src/mir/visit.rs b/compiler/stable_mir/src/mir/visit.rs index 10f30083dc2d..50d7bae21db7 100644 --- a/compiler/stable_mir/src/mir/visit.rs +++ b/compiler/stable_mir/src/mir/visit.rs @@ -108,8 +108,8 @@ pub trait MirVisitor { self.super_ty(ty) } - fn visit_constant(&mut self, constant: &Constant, location: Location) { - self.super_constant(constant, location) + fn visit_const_operand(&mut self, constant: &ConstOperand, location: Location) { + self.super_const_operand(constant, location) } fn visit_mir_const(&mut self, constant: &MirConst, location: Location) { @@ -366,7 +366,7 @@ pub trait MirVisitor { self.visit_place(place, PlaceContext::NON_MUTATING, location) } Operand::Constant(constant) => { - self.visit_constant(constant, location); + self.visit_const_operand(constant, location); } } } @@ -380,10 +380,10 @@ pub trait MirVisitor { let _ = ty; } - fn super_constant(&mut self, constant: &Constant, location: Location) { - let Constant { span, user_ty: _, literal } = constant; + fn super_const_operand(&mut self, constant: &ConstOperand, location: Location) { + let ConstOperand { span, user_ty: _, const_ } = constant; self.visit_span(span); - self.visit_mir_const(literal, location); + self.visit_mir_const(const_, location); } fn super_mir_const(&mut self, constant: &MirConst, location: Location) { diff --git a/tests/ui-fulldeps/stable-mir/check_transform.rs b/tests/ui-fulldeps/stable-mir/check_transform.rs index b203e76e54f4..1d3e4c6845ba 100644 --- a/tests/ui-fulldeps/stable-mir/check_transform.rs +++ b/tests/ui-fulldeps/stable-mir/check_transform.rs @@ -21,7 +21,7 @@ extern crate stable_mir; use rustc_smir::rustc_internal; use stable_mir::mir::alloc::GlobalAlloc; use stable_mir::mir::mono::Instance; -use stable_mir::mir::{Body, Constant, Operand, Rvalue, StatementKind, TerminatorKind}; +use stable_mir::mir::{Body, ConstOperand, Operand, Rvalue, StatementKind, TerminatorKind}; use stable_mir::ty::{ConstantKind, MirConst}; use stable_mir::{CrateDef, CrateItems, ItemKind}; use std::convert::TryFrom; @@ -72,7 +72,7 @@ fn check_msg(body: &Body, expected: &str) { .unwrap() } }; - let ConstantKind::Allocated(alloc) = msg_const.literal.kind() else { + let ConstantKind::Allocated(alloc) = msg_const.const_.kind() else { unreachable!() }; assert_eq!(alloc.provenance.ptrs.len(), 1); @@ -96,8 +96,8 @@ fn change_panic_msg(mut body: Body, new_msg: &str) -> Body { match &mut bb.terminator.kind { TerminatorKind::Call { args, .. } => { let new_const = MirConst::from_str(new_msg); - args[0] = Operand::Constant(Constant { - literal: new_const, + args[0] = Operand::Constant(ConstOperand { + const_: new_const, span: bb.terminator.span, user_ty: None, }); From fe7d97787ee8246532e1bf172d68d90b6716e332 Mon Sep 17 00:00:00 2001 From: tiif Date: Thu, 13 Jun 2024 23:01:35 +0800 Subject: [PATCH 1493/1716] Fix socketpair and epoll_create1's throw_unsup_format wording --- src/tools/miri/src/shims/unix/linux/epoll.rs | 11 +++++++---- src/tools/miri/src/shims/unix/socket.rs | 6 +++--- 2 files changed, 10 insertions(+), 7 deletions(-) diff --git a/src/tools/miri/src/shims/unix/linux/epoll.rs b/src/tools/miri/src/shims/unix/linux/epoll.rs index aa4dc9828701..a5661460e95c 100644 --- a/src/tools/miri/src/shims/unix/linux/epoll.rs +++ b/src/tools/miri/src/shims/unix/linux/epoll.rs @@ -57,10 +57,13 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let flags = this.read_scalar(flags)?.to_i32()?; let epoll_cloexec = this.eval_libc_i32("EPOLL_CLOEXEC"); - if flags == epoll_cloexec { - // Miri does not support exec, so this flag has no effect. - } else if flags != 0 { - throw_unsup_format!("epoll_create1 flags {flags} are not implemented"); + + // Miri does not support exec, so EPOLL_CLOEXEC flag has no effect. + if flags != epoll_cloexec && flags != 0 { + throw_unsup_format!( + "epoll_create1: flag {:#x} is unsupported, only 0 or EPOLL_CLOEXEC are allowed", + flags + ); } let fd = this.machine.fds.insert_fd(FileDescriptor::new(Epoll::default())); diff --git a/src/tools/miri/src/shims/unix/socket.rs b/src/tools/miri/src/shims/unix/socket.rs index 02f49713b568..c639ea2f8460 100644 --- a/src/tools/miri/src/shims/unix/socket.rs +++ b/src/tools/miri/src/shims/unix/socket.rs @@ -179,19 +179,19 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { // their values differ. if domain != this.eval_libc_i32("AF_UNIX") && domain != this.eval_libc_i32("AF_LOCAL") { throw_unsup_format!( - "socketpair: Unsupported domain {:#x} is used, only AF_UNIX \ + "socketpair: domain {:#x} is unsupported, only AF_UNIX \ and AF_LOCAL are allowed", domain ); } else if type_ != 0 { throw_unsup_format!( - "socketpair: Unsupported type {:#x} is used, only SOCK_STREAM, \ + "socketpair: type {:#x} is unsupported, only SOCK_STREAM, \ SOCK_CLOEXEC and SOCK_NONBLOCK are allowed", type_ ); } else if protocol != 0 { throw_unsup_format!( - "socketpair: Unsupported socket protocol {protocol} is used, \ + "socketpair: socket protocol {protocol} is unsupported, \ only 0 is allowed", ); } From dfc55145270c5ec8de1bcd19ae05f056100108a5 Mon Sep 17 00:00:00 2001 From: beetrees Date: Thu, 13 Jun 2024 16:09:45 +0100 Subject: [PATCH 1494/1716] Add `f16` and `f128` inline ASM support for `x86` and `x86-64` --- compiler/rustc_codegen_llvm/src/asm.rs | 100 +++++++ .../src/check/intrinsicck.rs | 4 + compiler/rustc_target/src/asm/mod.rs | 12 + compiler/rustc_target/src/asm/x86.rs | 22 +- tests/assembly/asm/x86-types.rs | 244 ++++++++++++++++-- tests/ui/asm/x86_64/type-check-3.stderr | 10 +- 6 files changed, 350 insertions(+), 42 deletions(-) diff --git a/compiler/rustc_codegen_llvm/src/asm.rs b/compiler/rustc_codegen_llvm/src/asm.rs index db28c6857b74..60e63b956db6 100644 --- a/compiler/rustc_codegen_llvm/src/asm.rs +++ b/compiler/rustc_codegen_llvm/src/asm.rs @@ -959,6 +959,43 @@ fn llvm_fixup_input<'ll, 'tcx>( InlineAsmRegClass::X86(X86InlineAsmRegClass::xmm_reg | X86InlineAsmRegClass::zmm_reg), Abi::Vector { .. }, ) if layout.size.bytes() == 64 => bx.bitcast(value, bx.cx.type_vector(bx.cx.type_f64(), 8)), + ( + InlineAsmRegClass::X86( + X86InlineAsmRegClass::xmm_reg + | X86InlineAsmRegClass::ymm_reg + | X86InlineAsmRegClass::zmm_reg, + ), + Abi::Scalar(s), + ) if bx.sess().asm_arch == Some(InlineAsmArch::X86) + && s.primitive() == Primitive::Float(Float::F128) => + { + bx.bitcast(value, bx.type_vector(bx.type_i32(), 4)) + } + ( + InlineAsmRegClass::X86( + X86InlineAsmRegClass::xmm_reg + | X86InlineAsmRegClass::ymm_reg + | X86InlineAsmRegClass::zmm_reg, + ), + Abi::Scalar(s), + ) if s.primitive() == Primitive::Float(Float::F16) => { + let value = bx.insert_element( + bx.const_undef(bx.type_vector(bx.type_f16(), 8)), + value, + bx.const_usize(0), + ); + bx.bitcast(value, bx.type_vector(bx.type_i16(), 8)) + } + ( + InlineAsmRegClass::X86( + X86InlineAsmRegClass::xmm_reg + | X86InlineAsmRegClass::ymm_reg + | X86InlineAsmRegClass::zmm_reg, + ), + Abi::Vector { element, count: count @ (8 | 16) }, + ) if element.primitive() == Primitive::Float(Float::F16) => { + bx.bitcast(value, bx.type_vector(bx.type_i16(), count)) + } ( InlineAsmRegClass::Arm(ArmInlineAsmRegClass::sreg | ArmInlineAsmRegClass::sreg_low16), Abi::Scalar(s), @@ -1036,6 +1073,39 @@ fn llvm_fixup_output<'ll, 'tcx>( InlineAsmRegClass::X86(X86InlineAsmRegClass::xmm_reg | X86InlineAsmRegClass::zmm_reg), Abi::Vector { .. }, ) if layout.size.bytes() == 64 => bx.bitcast(value, layout.llvm_type(bx.cx)), + ( + InlineAsmRegClass::X86( + X86InlineAsmRegClass::xmm_reg + | X86InlineAsmRegClass::ymm_reg + | X86InlineAsmRegClass::zmm_reg, + ), + Abi::Scalar(s), + ) if bx.sess().asm_arch == Some(InlineAsmArch::X86) + && s.primitive() == Primitive::Float(Float::F128) => + { + bx.bitcast(value, bx.type_f128()) + } + ( + InlineAsmRegClass::X86( + X86InlineAsmRegClass::xmm_reg + | X86InlineAsmRegClass::ymm_reg + | X86InlineAsmRegClass::zmm_reg, + ), + Abi::Scalar(s), + ) if s.primitive() == Primitive::Float(Float::F16) => { + let value = bx.bitcast(value, bx.type_vector(bx.type_f16(), 8)); + bx.extract_element(value, bx.const_usize(0)) + } + ( + InlineAsmRegClass::X86( + X86InlineAsmRegClass::xmm_reg + | X86InlineAsmRegClass::ymm_reg + | X86InlineAsmRegClass::zmm_reg, + ), + Abi::Vector { element, count: count @ (8 | 16) }, + ) if element.primitive() == Primitive::Float(Float::F16) => { + bx.bitcast(value, bx.type_vector(bx.type_f16(), count)) + } ( InlineAsmRegClass::Arm(ArmInlineAsmRegClass::sreg | ArmInlineAsmRegClass::sreg_low16), Abi::Scalar(s), @@ -1109,6 +1179,36 @@ fn llvm_fixup_output_type<'ll, 'tcx>( InlineAsmRegClass::X86(X86InlineAsmRegClass::xmm_reg | X86InlineAsmRegClass::zmm_reg), Abi::Vector { .. }, ) if layout.size.bytes() == 64 => cx.type_vector(cx.type_f64(), 8), + ( + InlineAsmRegClass::X86( + X86InlineAsmRegClass::xmm_reg + | X86InlineAsmRegClass::ymm_reg + | X86InlineAsmRegClass::zmm_reg, + ), + Abi::Scalar(s), + ) if cx.sess().asm_arch == Some(InlineAsmArch::X86) + && s.primitive() == Primitive::Float(Float::F128) => + { + cx.type_vector(cx.type_i32(), 4) + } + ( + InlineAsmRegClass::X86( + X86InlineAsmRegClass::xmm_reg + | X86InlineAsmRegClass::ymm_reg + | X86InlineAsmRegClass::zmm_reg, + ), + Abi::Scalar(s), + ) if s.primitive() == Primitive::Float(Float::F16) => cx.type_vector(cx.type_i16(), 8), + ( + InlineAsmRegClass::X86( + X86InlineAsmRegClass::xmm_reg + | X86InlineAsmRegClass::ymm_reg + | X86InlineAsmRegClass::zmm_reg, + ), + Abi::Vector { element, count: count @ (8 | 16) }, + ) if element.primitive() == Primitive::Float(Float::F16) => { + cx.type_vector(cx.type_i16(), count) + } ( InlineAsmRegClass::Arm(ArmInlineAsmRegClass::sreg | ArmInlineAsmRegClass::sreg_low16), Abi::Scalar(s), diff --git a/compiler/rustc_hir_analysis/src/check/intrinsicck.rs b/compiler/rustc_hir_analysis/src/check/intrinsicck.rs index 2672614a8954..88cbd0217f2b 100644 --- a/compiler/rustc_hir_analysis/src/check/intrinsicck.rs +++ b/compiler/rustc_hir_analysis/src/check/intrinsicck.rs @@ -62,8 +62,10 @@ impl<'a, 'tcx> InlineAsmCtxt<'a, 'tcx> { ty::Int(IntTy::I64) | ty::Uint(UintTy::U64) => Some(InlineAsmType::I64), ty::Int(IntTy::I128) | ty::Uint(UintTy::U128) => Some(InlineAsmType::I128), ty::Int(IntTy::Isize) | ty::Uint(UintTy::Usize) => Some(asm_ty_isize), + ty::Float(FloatTy::F16) => Some(InlineAsmType::F16), ty::Float(FloatTy::F32) => Some(InlineAsmType::F32), ty::Float(FloatTy::F64) => Some(InlineAsmType::F64), + ty::Float(FloatTy::F128) => Some(InlineAsmType::F128), ty::FnPtr(_) => Some(asm_ty_isize), ty::RawPtr(ty, _) if self.is_thin_ptr_ty(ty) => Some(asm_ty_isize), ty::Adt(adt, args) if adt.repr().simd() => { @@ -105,8 +107,10 @@ impl<'a, 'tcx> InlineAsmCtxt<'a, 'tcx> { width => bug!("unsupported pointer width: {width}"), }) } + ty::Float(FloatTy::F16) => Some(InlineAsmType::VecF16(size)), ty::Float(FloatTy::F32) => Some(InlineAsmType::VecF32(size)), ty::Float(FloatTy::F64) => Some(InlineAsmType::VecF64(size)), + ty::Float(FloatTy::F128) => Some(InlineAsmType::VecF128(size)), _ => None, } } diff --git a/compiler/rustc_target/src/asm/mod.rs b/compiler/rustc_target/src/asm/mod.rs index 5f4ce5ed5997..b057bf94a087 100644 --- a/compiler/rustc_target/src/asm/mod.rs +++ b/compiler/rustc_target/src/asm/mod.rs @@ -707,15 +707,19 @@ pub enum InlineAsmType { I32, I64, I128, + F16, F32, F64, + F128, VecI8(u64), VecI16(u64), VecI32(u64), VecI64(u64), VecI128(u64), + VecF16(u64), VecF32(u64), VecF64(u64), + VecF128(u64), } impl InlineAsmType { @@ -730,15 +734,19 @@ impl InlineAsmType { Self::I32 => 4, Self::I64 => 8, Self::I128 => 16, + Self::F16 => 2, Self::F32 => 4, Self::F64 => 8, + Self::F128 => 16, Self::VecI8(n) => n * 1, Self::VecI16(n) => n * 2, Self::VecI32(n) => n * 4, Self::VecI64(n) => n * 8, Self::VecI128(n) => n * 16, + Self::VecF16(n) => n * 2, Self::VecF32(n) => n * 4, Self::VecF64(n) => n * 8, + Self::VecF128(n) => n * 16, }) } } @@ -751,15 +759,19 @@ impl fmt::Display for InlineAsmType { Self::I32 => f.write_str("i32"), Self::I64 => f.write_str("i64"), Self::I128 => f.write_str("i128"), + Self::F16 => f.write_str("f16"), Self::F32 => f.write_str("f32"), Self::F64 => f.write_str("f64"), + Self::F128 => f.write_str("f128"), Self::VecI8(n) => write!(f, "i8x{n}"), Self::VecI16(n) => write!(f, "i16x{n}"), Self::VecI32(n) => write!(f, "i32x{n}"), Self::VecI64(n) => write!(f, "i64x{n}"), Self::VecI128(n) => write!(f, "i128x{n}"), + Self::VecF16(n) => write!(f, "f16x{n}"), Self::VecF32(n) => write!(f, "f32x{n}"), Self::VecF64(n) => write!(f, "f64x{n}"), + Self::VecF128(n) => write!(f, "f128x{n}"), } } } diff --git a/compiler/rustc_target/src/asm/x86.rs b/compiler/rustc_target/src/asm/x86.rs index 28413a5bcbd1..8452961c17c0 100644 --- a/compiler/rustc_target/src/asm/x86.rs +++ b/compiler/rustc_target/src/asm/x86.rs @@ -107,26 +107,26 @@ impl X86InlineAsmRegClass { match self { Self::reg | Self::reg_abcd => { if arch == InlineAsmArch::X86_64 { - types! { _: I16, I32, I64, F32, F64; } + types! { _: I16, I32, I64, F16, F32, F64; } } else { - types! { _: I16, I32, F32; } + types! { _: I16, I32, F16, F32; } } } Self::reg_byte => types! { _: I8; }, Self::xmm_reg => types! { - sse: I32, I64, F32, F64, - VecI8(16), VecI16(8), VecI32(4), VecI64(2), VecF32(4), VecF64(2); + sse: I32, I64, F16, F32, F64, F128, + VecI8(16), VecI16(8), VecI32(4), VecI64(2), VecF16(8), VecF32(4), VecF64(2); }, Self::ymm_reg => types! { - avx: I32, I64, F32, F64, - VecI8(16), VecI16(8), VecI32(4), VecI64(2), VecF32(4), VecF64(2), - VecI8(32), VecI16(16), VecI32(8), VecI64(4), VecF32(8), VecF64(4); + avx: I32, I64, F16, F32, F64, F128, + VecI8(16), VecI16(8), VecI32(4), VecI64(2), VecF16(8), VecF32(4), VecF64(2), + VecI8(32), VecI16(16), VecI32(8), VecI64(4), VecF16(16), VecF32(8), VecF64(4); }, Self::zmm_reg => types! { - avx512f: I32, I64, F32, F64, - VecI8(16), VecI16(8), VecI32(4), VecI64(2), VecF32(4), VecF64(2), - VecI8(32), VecI16(16), VecI32(8), VecI64(4), VecF32(8), VecF64(4), - VecI8(64), VecI16(32), VecI32(16), VecI64(8), VecF32(16), VecF64(8); + avx512f: I32, I64, F16, F32, F64, F128, + VecI8(16), VecI16(8), VecI32(4), VecI64(2), VecF16(8), VecF32(4), VecF64(2), + VecI8(32), VecI16(16), VecI32(8), VecI64(4), VecF16(16), VecF32(8), VecF64(4), + VecI8(64), VecI16(32), VecI32(16), VecI64(8), VecF16(32), VecF32(16), VecF64(8); }, Self::kreg => types! { avx512f: I8, I16; diff --git a/tests/assembly/asm/x86-types.rs b/tests/assembly/asm/x86-types.rs index 2b4ebb05349b..8e229614420b 100644 --- a/tests/assembly/asm/x86-types.rs +++ b/tests/assembly/asm/x86-types.rs @@ -7,7 +7,7 @@ //@ compile-flags: -C llvm-args=--x86-asm-syntax=intel //@ compile-flags: -C target-feature=+avx512bw -#![feature(no_core, lang_items, rustc_attrs, repr_simd)] +#![feature(no_core, lang_items, rustc_attrs, repr_simd, f16, f128)] #![crate_type = "rlib"] #![no_core] #![allow(asm_sub_register, non_camel_case_types)] @@ -41,6 +41,8 @@ pub struct i32x4(i32, i32, i32, i32); #[repr(simd)] pub struct i64x2(i64, i64); #[repr(simd)] +pub struct f16x8(f16, f16, f16, f16, f16, f16, f16, f16); +#[repr(simd)] pub struct f32x4(f32, f32, f32, f32); #[repr(simd)] pub struct f64x2(f64, f64); @@ -87,6 +89,8 @@ pub struct i32x8(i32, i32, i32, i32, i32, i32, i32, i32); #[repr(simd)] pub struct i64x4(i64, i64, i64, i64); #[repr(simd)] +pub struct f16x16(f16, f16, f16, f16, f16, f16, f16, f16, f16, f16, f16, f16, f16, f16, f16, f16); +#[repr(simd)] pub struct f32x8(f32, f32, f32, f32, f32, f32, f32, f32); #[repr(simd)] pub struct f64x4(f64, f64, f64, f64); @@ -198,35 +202,59 @@ pub struct i32x16(i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i3 #[repr(simd)] pub struct i64x8(i64, i64, i64, i64, i64, i64, i64, i64); #[repr(simd)] +pub struct f16x32( + f16, + f16, + f16, + f16, + f16, + f16, + f16, + f16, + f16, + f16, + f16, + f16, + f16, + f16, + f16, + f16, + f16, + f16, + f16, + f16, + f16, + f16, + f16, + f16, + f16, + f16, + f16, + f16, + f16, + f16, + f16, + f16, +); +#[repr(simd)] pub struct f32x16(f32, f32, f32, f32, f32, f32, f32, f32, f32, f32, f32, f32, f32, f32, f32, f32); #[repr(simd)] pub struct f64x8(f64, f64, f64, f64, f64, f64, f64, f64); -impl Copy for i8 {} -impl Copy for i16 {} -impl Copy for i32 {} -impl Copy for f32 {} -impl Copy for i64 {} -impl Copy for f64 {} -impl Copy for ptr {} -impl Copy for i8x16 {} -impl Copy for i16x8 {} -impl Copy for i32x4 {} -impl Copy for i64x2 {} -impl Copy for f32x4 {} -impl Copy for f64x2 {} -impl Copy for i8x32 {} -impl Copy for i16x16 {} -impl Copy for i32x8 {} -impl Copy for i64x4 {} -impl Copy for f32x8 {} -impl Copy for f64x4 {} -impl Copy for i8x64 {} -impl Copy for i16x32 {} -impl Copy for i32x16 {} -impl Copy for i64x8 {} -impl Copy for f32x16 {} -impl Copy for f64x8 {} +macro_rules! impl_copy { + ($($ty:ident)*) => { + $( + impl Copy for $ty {} + )* + }; +} + +impl_copy!( + i8 i16 f16 i32 f32 i64 f64 f128 ptr + i8x16 i16x8 i32x4 i64x2 f16x8 f32x4 f64x2 + i8x32 i16x16 i32x8 i64x4 f16x16 f32x8 f64x4 + i8x64 i16x32 i32x16 i64x8 f16x32 f32x16 f64x8 +); extern "C" { fn extern_func(); @@ -292,6 +320,13 @@ macro_rules! check_reg { // CHECK: #NO_APP check!(reg_i16 i16 reg "mov"); +// CHECK-LABEL: reg_f16: +// CHECK: #APP +// x86_64: mov r{{[a-z0-9]+}}, r{{[a-z0-9]+}} +// i686: mov e{{[a-z0-9]+}}, e{{[a-z0-9]+}} +// CHECK: #NO_APP +check!(reg_f16 f16 reg "mov"); + // CHECK-LABEL: reg_i32: // CHECK: #APP // x86_64: mov r{{[a-z0-9]+}}, r{{[a-z0-9]+}} @@ -334,6 +369,13 @@ check!(reg_ptr ptr reg "mov"); // CHECK: #NO_APP check!(reg_abcd_i16 i16 reg_abcd "mov"); +// CHECK-LABEL: reg_abcd_f16: +// CHECK: #APP +// x86_64: mov r{{[a-z0-9]+}}, r{{[a-z0-9]+}} +// i686: mov e{{[a-z0-9]+}}, e{{[a-z0-9]+}} +// CHECK: #NO_APP +check!(reg_abcd_f16 f16 reg_abcd "mov"); + // CHECK-LABEL: reg_abcd_i32: // CHECK: #APP // x86_64: mov r{{[a-z0-9]+}}, r{{[a-z0-9]+}} @@ -375,6 +417,12 @@ check!(reg_abcd_ptr ptr reg_abcd "mov"); // CHECK: #NO_APP check!(reg_byte i8 reg_byte "mov"); +// CHECK-LABEL: xmm_reg_f16: +// CHECK: #APP +// CHECK: movaps xmm{{[0-9]+}}, xmm{{[0-9]+}} +// CHECK: #NO_APP +check!(xmm_reg_f16 f16 xmm_reg "movaps"); + // CHECK-LABEL: xmm_reg_i32: // CHECK: #APP // CHECK: movaps xmm{{[0-9]+}}, xmm{{[0-9]+}} @@ -399,6 +447,12 @@ check!(xmm_reg_i64 i64 xmm_reg "movaps"); // CHECK: #NO_APP check!(xmm_reg_f64 f64 xmm_reg "movaps"); +// CHECK-LABEL: xmm_reg_f128: +// CHECK: #APP +// CHECK: movaps xmm{{[0-9]+}}, xmm{{[0-9]+}} +// CHECK: #NO_APP +check!(xmm_reg_f128 f128 xmm_reg "movaps"); + // CHECK-LABEL: xmm_reg_ptr: // CHECK: #APP // CHECK: movaps xmm{{[0-9]+}}, xmm{{[0-9]+}} @@ -429,6 +483,12 @@ check!(xmm_reg_i32x4 i32x4 xmm_reg "movaps"); // CHECK: #NO_APP check!(xmm_reg_i64x2 i64x2 xmm_reg "movaps"); +// CHECK-LABEL: xmm_reg_f16x8: +// CHECK: #APP +// CHECK: movaps xmm{{[0-9]+}}, xmm{{[0-9]+}} +// CHECK: #NO_APP +check!(xmm_reg_f16x8 f16x8 xmm_reg "movaps"); + // CHECK-LABEL: xmm_reg_f32x4: // CHECK: #APP // CHECK: movaps xmm{{[0-9]+}}, xmm{{[0-9]+}} @@ -441,6 +501,12 @@ check!(xmm_reg_f32x4 f32x4 xmm_reg "movaps"); // CHECK: #NO_APP check!(xmm_reg_f64x2 f64x2 xmm_reg "movaps"); +// CHECK-LABEL: ymm_reg_f16: +// CHECK: #APP +// CHECK: vmovaps ymm{{[0-9]+}}, ymm{{[0-9]+}} +// CHECK: #NO_APP +check!(ymm_reg_f16 f16 ymm_reg "vmovaps"); + // CHECK-LABEL: ymm_reg_i32: // CHECK: #APP // CHECK: vmovaps ymm{{[0-9]+}}, ymm{{[0-9]+}} @@ -465,6 +531,12 @@ check!(ymm_reg_i64 i64 ymm_reg "vmovaps"); // CHECK: #NO_APP check!(ymm_reg_f64 f64 ymm_reg "vmovaps"); +// CHECK-LABEL: ymm_reg_f128: +// CHECK: #APP +// CHECK: vmovaps ymm{{[0-9]+}}, ymm{{[0-9]+}} +// CHECK: #NO_APP +check!(ymm_reg_f128 f128 ymm_reg "vmovaps"); + // CHECK-LABEL: ymm_reg_ptr: // CHECK: #APP // CHECK: vmovaps ymm{{[0-9]+}}, ymm{{[0-9]+}} @@ -495,6 +567,12 @@ check!(ymm_reg_i32x4 i32x4 ymm_reg "vmovaps"); // CHECK: #NO_APP check!(ymm_reg_i64x2 i64x2 ymm_reg "vmovaps"); +// CHECK-LABEL: ymm_reg_f16x8: +// CHECK: #APP +// CHECK: vmovaps ymm{{[0-9]+}}, ymm{{[0-9]+}} +// CHECK: #NO_APP +check!(ymm_reg_f16x8 f16x8 ymm_reg "vmovaps"); + // CHECK-LABEL: ymm_reg_f32x4: // CHECK: #APP // CHECK: vmovaps ymm{{[0-9]+}}, ymm{{[0-9]+}} @@ -531,6 +609,12 @@ check!(ymm_reg_i32x8 i32x8 ymm_reg "vmovaps"); // CHECK: #NO_APP check!(ymm_reg_i64x4 i64x4 ymm_reg "vmovaps"); +// CHECK-LABEL: ymm_reg_f16x16: +// CHECK: #APP +// CHECK: vmovaps ymm{{[0-9]+}}, ymm{{[0-9]+}} +// CHECK: #NO_APP +check!(ymm_reg_f16x16 f16x16 ymm_reg "vmovaps"); + // CHECK-LABEL: ymm_reg_f32x8: // CHECK: #APP // CHECK: vmovaps ymm{{[0-9]+}}, ymm{{[0-9]+}} @@ -543,6 +627,12 @@ check!(ymm_reg_f32x8 f32x8 ymm_reg "vmovaps"); // CHECK: #NO_APP check!(ymm_reg_f64x4 f64x4 ymm_reg "vmovaps"); +// CHECK-LABEL: zmm_reg_f16: +// CHECK: #APP +// CHECK: vmovaps zmm{{[0-9]+}}, zmm{{[0-9]+}} +// CHECK: #NO_APP +check!(zmm_reg_f16 f16 zmm_reg "vmovaps"); + // CHECK-LABEL: zmm_reg_i32: // CHECK: #APP // CHECK: vmovaps zmm{{[0-9]+}}, zmm{{[0-9]+}} @@ -567,6 +657,12 @@ check!(zmm_reg_i64 i64 zmm_reg "vmovaps"); // CHECK: #NO_APP check!(zmm_reg_f64 f64 zmm_reg "vmovaps"); +// CHECK-LABEL: zmm_reg_f128: +// CHECK: #APP +// CHECK: vmovaps zmm{{[0-9]+}}, zmm{{[0-9]+}} +// CHECK: #NO_APP +check!(zmm_reg_f128 f128 zmm_reg "vmovaps"); + // CHECK-LABEL: zmm_reg_ptr: // CHECK: #APP // CHECK: vmovaps zmm{{[0-9]+}}, zmm{{[0-9]+}} @@ -597,6 +693,12 @@ check!(zmm_reg_i32x4 i32x4 zmm_reg "vmovaps"); // CHECK: #NO_APP check!(zmm_reg_i64x2 i64x2 zmm_reg "vmovaps"); +// CHECK-LABEL: zmm_reg_f16x8: +// CHECK: #APP +// CHECK: vmovaps zmm{{[0-9]+}}, zmm{{[0-9]+}} +// CHECK: #NO_APP +check!(zmm_reg_f16x8 f16x8 zmm_reg "vmovaps"); + // CHECK-LABEL: zmm_reg_f32x4: // CHECK: #APP // CHECK: vmovaps zmm{{[0-9]+}}, zmm{{[0-9]+}} @@ -633,6 +735,12 @@ check!(zmm_reg_i32x8 i32x8 zmm_reg "vmovaps"); // CHECK: #NO_APP check!(zmm_reg_i64x4 i64x4 zmm_reg "vmovaps"); +// CHECK-LABEL: zmm_reg_f16x16: +// CHECK: #APP +// CHECK: vmovaps zmm{{[0-9]+}}, zmm{{[0-9]+}} +// CHECK: #NO_APP +check!(zmm_reg_f16x16 f16x16 zmm_reg "vmovaps"); + // CHECK-LABEL: zmm_reg_f32x8: // CHECK: #APP // CHECK: vmovaps zmm{{[0-9]+}}, zmm{{[0-9]+}} @@ -669,6 +777,12 @@ check!(zmm_reg_i32x16 i32x16 zmm_reg "vmovaps"); // CHECK: #NO_APP check!(zmm_reg_i64x8 i64x8 zmm_reg "vmovaps"); +// CHECK-LABEL: zmm_reg_f16x32: +// CHECK: #APP +// CHECK: vmovaps zmm{{[0-9]+}}, zmm{{[0-9]+}} +// CHECK: #NO_APP +check!(zmm_reg_f16x32 f16x32 zmm_reg "vmovaps"); + // CHECK-LABEL: zmm_reg_f32x16: // CHECK: #APP // CHECK: vmovaps zmm{{[0-9]+}}, zmm{{[0-9]+}} @@ -717,6 +831,12 @@ check!(kreg_ptr ptr kreg "kmovq"); // CHECK: #NO_APP check_reg!(eax_i16 i16 "eax" "mov"); +// CHECK-LABEL: eax_f16: +// CHECK: #APP +// CHECK: mov eax, eax +// CHECK: #NO_APP +check_reg!(eax_f16 f16 "eax" "mov"); + // CHECK-LABEL: eax_i32: // CHECK: #APP // CHECK: mov eax, eax @@ -756,6 +876,12 @@ check_reg!(eax_ptr ptr "eax" "mov"); #[cfg(i686)] check_reg!(ah_byte i8 "ah" "mov"); +// CHECK-LABEL: xmm0_f16: +// CHECK: #APP +// CHECK: movaps xmm0, xmm0 +// CHECK: #NO_APP +check_reg!(xmm0_f16 f16 "xmm0" "movaps"); + // CHECK-LABEL: xmm0_i32: // CHECK: #APP // CHECK: movaps xmm0, xmm0 @@ -780,6 +906,12 @@ check_reg!(xmm0_i64 i64 "xmm0" "movaps"); // CHECK: #NO_APP check_reg!(xmm0_f64 f64 "xmm0" "movaps"); +// CHECK-LABEL: xmm0_f128: +// CHECK: #APP +// CHECK: movaps xmm0, xmm0 +// CHECK: #NO_APP +check_reg!(xmm0_f128 f128 "xmm0" "movaps"); + // CHECK-LABEL: xmm0_ptr: // CHECK: #APP // CHECK: movaps xmm0, xmm0 @@ -810,6 +942,12 @@ check_reg!(xmm0_i32x4 i32x4 "xmm0" "movaps"); // CHECK: #NO_APP check_reg!(xmm0_i64x2 i64x2 "xmm0" "movaps"); +// CHECK-LABEL: xmm0_f16x8: +// CHECK: #APP +// CHECK: movaps xmm0, xmm0 +// CHECK: #NO_APP +check_reg!(xmm0_f16x8 f16x8 "xmm0" "movaps"); + // CHECK-LABEL: xmm0_f32x4: // CHECK: #APP // CHECK: movaps xmm0, xmm0 @@ -822,6 +960,12 @@ check_reg!(xmm0_f32x4 f32x4 "xmm0" "movaps"); // CHECK: #NO_APP check_reg!(xmm0_f64x2 f64x2 "xmm0" "movaps"); +// CHECK-LABEL: ymm0_f16: +// CHECK: #APP +// CHECK: vmovaps ymm0, ymm0 +// CHECK: #NO_APP +check_reg!(ymm0_f16 f16 "ymm0" "vmovaps"); + // CHECK-LABEL: ymm0_i32: // CHECK: #APP // CHECK: vmovaps ymm0, ymm0 @@ -846,6 +990,12 @@ check_reg!(ymm0_i64 i64 "ymm0" "vmovaps"); // CHECK: #NO_APP check_reg!(ymm0_f64 f64 "ymm0" "vmovaps"); +// CHECK-LABEL: ymm0_f128: +// CHECK: #APP +// CHECK: vmovaps ymm0, ymm0 +// CHECK: #NO_APP +check_reg!(ymm0_f128 f128 "ymm0" "vmovaps"); + // CHECK-LABEL: ymm0_ptr: // CHECK: #APP // CHECK: vmovaps ymm0, ymm0 @@ -876,6 +1026,12 @@ check_reg!(ymm0_i32x4 i32x4 "ymm0" "vmovaps"); // CHECK: #NO_APP check_reg!(ymm0_i64x2 i64x2 "ymm0" "vmovaps"); +// CHECK-LABEL: ymm0_f16x8: +// CHECK: #APP +// CHECK: vmovaps ymm0, ymm0 +// CHECK: #NO_APP +check_reg!(ymm0_f16x8 f16x8 "ymm0" "vmovaps"); + // CHECK-LABEL: ymm0_f32x4: // CHECK: #APP // CHECK: vmovaps ymm0, ymm0 @@ -912,6 +1068,12 @@ check_reg!(ymm0_i32x8 i32x8 "ymm0" "vmovaps"); // CHECK: #NO_APP check_reg!(ymm0_i64x4 i64x4 "ymm0" "vmovaps"); +// CHECK-LABEL: ymm0_f16x16: +// CHECK: #APP +// CHECK: vmovaps ymm0, ymm0 +// CHECK: #NO_APP +check_reg!(ymm0_f16x16 f16x16 "ymm0" "vmovaps"); + // CHECK-LABEL: ymm0_f32x8: // CHECK: #APP // CHECK: vmovaps ymm0, ymm0 @@ -924,6 +1086,12 @@ check_reg!(ymm0_f32x8 f32x8 "ymm0" "vmovaps"); // CHECK: #NO_APP check_reg!(ymm0_f64x4 f64x4 "ymm0" "vmovaps"); +// CHECK-LABEL: zmm0_f16: +// CHECK: #APP +// CHECK: vmovaps zmm0, zmm0 +// CHECK: #NO_APP +check_reg!(zmm0_f16 f16 "zmm0" "vmovaps"); + // CHECK-LABEL: zmm0_i32: // CHECK: #APP // CHECK: vmovaps zmm0, zmm0 @@ -948,6 +1116,12 @@ check_reg!(zmm0_i64 i64 "zmm0" "vmovaps"); // CHECK: #NO_APP check_reg!(zmm0_f64 f64 "zmm0" "vmovaps"); +// CHECK-LABEL: zmm0_f128: +// CHECK: #APP +// CHECK: vmovaps zmm0, zmm0 +// CHECK: #NO_APP +check_reg!(zmm0_f128 f128 "zmm0" "vmovaps"); + // CHECK-LABEL: zmm0_ptr: // CHECK: #APP // CHECK: vmovaps zmm0, zmm0 @@ -978,6 +1152,12 @@ check_reg!(zmm0_i32x4 i32x4 "zmm0" "vmovaps"); // CHECK: #NO_APP check_reg!(zmm0_i64x2 i64x2 "zmm0" "vmovaps"); +// CHECK-LABEL: zmm0_f16x8: +// CHECK: #APP +// CHECK: vmovaps zmm0, zmm0 +// CHECK: #NO_APP +check_reg!(zmm0_f16x8 f16x8 "zmm0" "vmovaps"); + // CHECK-LABEL: zmm0_f32x4: // CHECK: #APP // CHECK: vmovaps zmm0, zmm0 @@ -1014,6 +1194,12 @@ check_reg!(zmm0_i32x8 i32x8 "zmm0" "vmovaps"); // CHECK: #NO_APP check_reg!(zmm0_i64x4 i64x4 "zmm0" "vmovaps"); +// CHECK-LABEL: zmm0_f16x16: +// CHECK: #APP +// CHECK: vmovaps zmm0, zmm0 +// CHECK: #NO_APP +check_reg!(zmm0_f16x16 f16x16 "zmm0" "vmovaps"); + // CHECK-LABEL: zmm0_f32x8: // CHECK: #APP // CHECK: vmovaps zmm0, zmm0 @@ -1050,6 +1236,12 @@ check_reg!(zmm0_i32x16 i32x16 "zmm0" "vmovaps"); // CHECK: #NO_APP check_reg!(zmm0_i64x8 i64x8 "zmm0" "vmovaps"); +// CHECK-LABEL: zmm0_f16x32: +// CHECK: #APP +// CHECK: vmovaps zmm0, zmm0 +// CHECK: #NO_APP +check_reg!(zmm0_f16x32 f16x32 "zmm0" "vmovaps"); + // CHECK-LABEL: zmm0_f32x16: // CHECK: #APP // CHECK: vmovaps zmm0, zmm0 diff --git a/tests/ui/asm/x86_64/type-check-3.stderr b/tests/ui/asm/x86_64/type-check-3.stderr index 34bfcd71caca..202b97ca5c0e 100644 --- a/tests/ui/asm/x86_64/type-check-3.stderr +++ b/tests/ui/asm/x86_64/type-check-3.stderr @@ -4,7 +4,7 @@ error: type `i128` cannot be used with this register class LL | asm!("{}", in(reg) 0i128); | ^^^^^ | - = note: register class `reg` supports these types: i16, i32, i64, f32, f64 + = note: register class `reg` supports these types: i16, i32, i64, f16, f32, f64 error: type `__m128` cannot be used with this register class --> $DIR/type-check-3.rs:16:28 @@ -12,7 +12,7 @@ error: type `__m128` cannot be used with this register class LL | asm!("{}", in(reg) _mm_setzero_ps()); | ^^^^^^^^^^^^^^^^ | - = note: register class `reg` supports these types: i16, i32, i64, f32, f64 + = note: register class `reg` supports these types: i16, i32, i64, f16, f32, f64 error: type `__m256` cannot be used with this register class --> $DIR/type-check-3.rs:18:28 @@ -20,7 +20,7 @@ error: type `__m256` cannot be used with this register class LL | asm!("{}", in(reg) _mm256_setzero_ps()); | ^^^^^^^^^^^^^^^^^^^ | - = note: register class `reg` supports these types: i16, i32, i64, f32, f64 + = note: register class `reg` supports these types: i16, i32, i64, f16, f32, f64 error: type `u8` cannot be used with this register class --> $DIR/type-check-3.rs:20:32 @@ -28,7 +28,7 @@ error: type `u8` cannot be used with this register class LL | asm!("{}", in(xmm_reg) 0u8); | ^^^ | - = note: register class `xmm_reg` supports these types: i32, i64, f32, f64, i8x16, i16x8, i32x4, i64x2, f32x4, f64x2 + = note: register class `xmm_reg` supports these types: i32, i64, f16, f32, f64, f128, i8x16, i16x8, i32x4, i64x2, f16x8, f32x4, f64x2 error: `avx512bw` target feature is not enabled --> $DIR/type-check-3.rs:29:29 @@ -81,7 +81,7 @@ error: type `i8` cannot be used with this register class LL | asm!("{}", in(reg) 0i8); | ^^^ | - = note: register class `reg` supports these types: i16, i32, i64, f32, f64 + = note: register class `reg` supports these types: i16, i32, i64, f16, f32, f64 = help: consider using the `reg_byte` register class instead error: incompatible types for asm inout argument From cc6541385f6e0ae85de021aaed650107c42725e4 Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Thu, 6 Jun 2024 20:23:15 +0300 Subject: [PATCH 1495/1716] compiletest: apply considerable clippy suggestions Signed-off-by: onur-ozkan --- src/tools/compiletest/src/common.rs | 2 +- src/tools/compiletest/src/header.rs | 24 ++++----- src/tools/compiletest/src/header/cfg.rs | 2 +- src/tools/compiletest/src/lib.rs | 2 +- src/tools/compiletest/src/read2.rs | 5 +- src/tools/compiletest/src/read2/tests.rs | 6 +-- src/tools/compiletest/src/runtest.rs | 54 +++++++++---------- src/tools/compiletest/src/runtest/debugger.rs | 2 +- src/tools/compiletest/src/tests.rs | 10 ++-- 9 files changed, 51 insertions(+), 56 deletions(-) diff --git a/src/tools/compiletest/src/common.rs b/src/tools/compiletest/src/common.rs index b0047770564c..da7f03441e72 100644 --- a/src/tools/compiletest/src/common.rs +++ b/src/tools/compiletest/src/common.rs @@ -582,7 +582,7 @@ impl TargetCfgs { name, Some( value - .strip_suffix("\"") + .strip_suffix('\"') .expect("key-value pair should be properly quoted"), ), ) diff --git a/src/tools/compiletest/src/header.rs b/src/tools/compiletest/src/header.rs index cc972223f6df..ffc706d19a98 100644 --- a/src/tools/compiletest/src/header.rs +++ b/src/tools/compiletest/src/header.rs @@ -82,7 +82,7 @@ impl EarlyProps { panic!("errors encountered during EarlyProps parsing"); } - return props; + props } } @@ -382,7 +382,7 @@ impl TestProps { // Individual flags can be single-quoted to preserve spaces; see // . flags - .split("'") + .split('\'') .enumerate() .flat_map(|(i, f)| { if i % 2 == 1 { vec![f] } else { f.split_whitespace().collect() } @@ -613,7 +613,7 @@ impl TestProps { for key in &["RUST_TEST_NOCAPTURE", "RUST_TEST_THREADS"] { if let Ok(val) = env::var(key) { - if self.exec_env.iter().find(|&&(ref x, _)| x == key).is_none() { + if !self.exec_env.iter().any(|&(ref x, _)| x == key) { self.exec_env.push(((*key).to_owned(), val)) } } @@ -991,7 +991,7 @@ pub(crate) fn check_directive(directive_ln: &str) -> CheckDirectiveResult<'_> { let trailing = post.trim().split_once(' ').map(|(pre, _)| pre).unwrap_or(post); let trailing_directive = { // 1. is the directive name followed by a space? (to exclude `:`) - matches!(directive_ln.get(directive_name.len()..), Some(s) if s.starts_with(" ")) + matches!(directive_ln.get(directive_name.len()..), Some(s) if s.starts_with(' ')) // 2. is what is after that directive also a directive (ex: "only-x86 only-arm") && KNOWN_DIRECTIVE_NAMES.contains(&trailing) } @@ -1363,7 +1363,7 @@ pub fn extract_llvm_version_from_binary(binary_path: &str) -> Option { } let version = String::from_utf8(output.stdout).ok()?; for line in version.lines() { - if let Some(version) = line.split("LLVM version ").skip(1).next() { + if let Some(version) = line.split("LLVM version ").nth(1) { return extract_llvm_version(version); } } @@ -1394,7 +1394,7 @@ where let min = parse(min)?; let max = match max { - Some(max) if max.is_empty() => return None, + Some("") => return None, Some(max) => parse(max)?, _ => min, }; @@ -1466,12 +1466,12 @@ pub fn make_test_description( decision!(ignore_gdb(config, ln)); decision!(ignore_lldb(config, ln)); - if config.target == "wasm32-unknown-unknown" { - if config.parse_name_directive(ln, directives::CHECK_RUN_RESULTS) { - decision!(IgnoreDecision::Ignore { - reason: "ignored on WASM as the run results cannot be checked there".into(), - }); - } + if config.target == "wasm32-unknown-unknown" + && config.parse_name_directive(ln, directives::CHECK_RUN_RESULTS) + { + decision!(IgnoreDecision::Ignore { + reason: "ignored on WASM as the run results cannot be checked there".into(), + }); } should_fail |= config.parse_name_directive(ln, "should-fail"); diff --git a/src/tools/compiletest/src/header/cfg.rs b/src/tools/compiletest/src/header/cfg.rs index 510043e3bfd8..522c52b1de2a 100644 --- a/src/tools/compiletest/src/header/cfg.rs +++ b/src/tools/compiletest/src/header/cfg.rs @@ -58,7 +58,7 @@ pub(super) fn parse_cfg_name_directive<'a>( // Some of the matchers might be "" depending on what the target information is. To avoid // problems we outright reject empty directives. - if name == "" { + if name.is_empty() { return ParsedNameDirective::not_a_directive(); } diff --git a/src/tools/compiletest/src/lib.rs b/src/tools/compiletest/src/lib.rs index 62e71e9b59dd..0cf05b32e968 100644 --- a/src/tools/compiletest/src/lib.rs +++ b/src/tools/compiletest/src/lib.rs @@ -1147,7 +1147,7 @@ fn extract_lldb_version(full_version_line: &str) -> Option<(u32, bool)> { } fn not_a_digit(c: char) -> bool { - !c.is_digit(10) + !c.is_ascii_digit() } fn check_overlapping_tests(found_paths: &HashSet) { diff --git a/src/tools/compiletest/src/read2.rs b/src/tools/compiletest/src/read2.rs index 3f1921cb6bd5..8c06339f3c36 100644 --- a/src/tools/compiletest/src/read2.rs +++ b/src/tools/compiletest/src/read2.rs @@ -6,7 +6,6 @@ mod tests; pub use self::imp::read2; use std::io::{self, Write}; -use std::mem::replace; use std::process::{Child, Output}; #[derive(Copy, Clone, Debug)] @@ -101,10 +100,10 @@ impl ProcOutput { return; } - let mut head = replace(bytes, Vec::new()); + let mut head = std::mem::take(bytes); // Don't truncate if this as a whole line. // That should make it less likely that we cut a JSON line in half. - if head.last() != Some(&('\n' as u8)) { + if head.last() != Some(&b'\n') { head.truncate(MAX_OUT_LEN); } let skipped = new_len - head.len(); diff --git a/src/tools/compiletest/src/read2/tests.rs b/src/tools/compiletest/src/read2/tests.rs index 5ad2db3cb830..9e052ff069b9 100644 --- a/src/tools/compiletest/src/read2/tests.rs +++ b/src/tools/compiletest/src/read2/tests.rs @@ -64,9 +64,9 @@ fn test_abbreviate_filterss_are_detected() { #[test] fn test_abbreviate_filters_avoid_abbreviations() { let mut out = ProcOutput::new(); - let filters = &[std::iter::repeat('a').take(64).collect::()]; + let filters = &["a".repeat(64)]; - let mut expected = vec![b'.'; MAX_OUT_LEN - FILTERED_PATHS_PLACEHOLDER_LEN as usize]; + let mut expected = vec![b'.'; MAX_OUT_LEN - FILTERED_PATHS_PLACEHOLDER_LEN]; expected.extend_from_slice(filters[0].as_bytes()); out.extend(&expected, filters); @@ -81,7 +81,7 @@ fn test_abbreviate_filters_avoid_abbreviations() { #[test] fn test_abbreviate_filters_can_still_cause_abbreviations() { let mut out = ProcOutput::new(); - let filters = &[std::iter::repeat('a').take(64).collect::()]; + let filters = &["a".repeat(64)]; let mut input = vec![b'.'; MAX_OUT_LEN]; input.extend_from_slice(filters[0].as_bytes()); diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs index 9e1d5ea61aa8..72b57d91c234 100644 --- a/src/tools/compiletest/src/runtest.rs +++ b/src/tools/compiletest/src/runtest.rs @@ -374,11 +374,11 @@ impl<'test> TestCx<'test> { // if a test does not crash, consider it an error if proc_res.status.success() || matches!(proc_res.status.code(), Some(1 | 0)) { - self.fatal(&format!( + self.fatal( "test no longer crashes/triggers ICE! Please give it a mearningful name, \ add a doc-comment to the start of the test explaining why it exists and \ - move it to tests/ui or wherever you see fit." - )); + move it to tests/ui or wherever you see fit.", + ); } } @@ -697,10 +697,10 @@ impl<'test> TestCx<'test> { // since it is extensively used in the testsuite. check_cfg.push_str("cfg(FALSE"); for revision in &self.props.revisions { - check_cfg.push_str(","); - check_cfg.push_str(&normalize_revision(&revision)); + check_cfg.push(','); + check_cfg.push_str(&normalize_revision(revision)); } - check_cfg.push_str(")"); + check_cfg.push(')'); cmd.args(&["--check-cfg", &check_cfg]); } @@ -818,7 +818,7 @@ impl<'test> TestCx<'test> { // Append the other `cdb-command:`s for line in &dbg_cmds.commands { script_str.push_str(line); - script_str.push_str("\n"); + script_str.push('\n'); } script_str.push_str("qq\n"); // Quit the debugger (including remote debugger, if any) @@ -1200,7 +1200,7 @@ impl<'test> TestCx<'test> { // Append the other commands for line in &dbg_cmds.commands { script_str.push_str(line); - script_str.push_str("\n"); + script_str.push('\n'); } // Finally, quit the debugger @@ -1250,7 +1250,7 @@ impl<'test> TestCx<'test> { // Remove options that are either unwanted (-O) or may lead to duplicates due to RUSTFLAGS. let options_to_remove = ["-O".to_owned(), "-g".to_owned(), "--debuginfo".to_owned()]; - options.iter().filter(|x| !options_to_remove.contains(x)).map(|x| x.clone()).collect() + options.iter().filter(|x| !options_to_remove.contains(x)).cloned().collect() } fn maybe_add_external_args(&self, cmd: &mut Command, args: &Vec) { @@ -2504,8 +2504,8 @@ impl<'test> TestCx<'test> { // This works with both `--emit asm` (as default output name for the assembly) // and `ptx-linker` because the latter can write output at requested location. let output_path = self.output_base_name().with_extension(extension); - let output_file = TargetLocation::ThisFile(output_path.clone()); - output_file + + TargetLocation::ThisFile(output_path.clone()) } } @@ -2752,7 +2752,7 @@ impl<'test> TestCx<'test> { for entry in walkdir::WalkDir::new(dir) { let entry = entry.expect("failed to read file"); if entry.file_type().is_file() - && entry.path().extension().and_then(|p| p.to_str()) == Some("html".into()) + && entry.path().extension().and_then(|p| p.to_str()) == Some("html") { let status = Command::new("tidy").args(&tidy_args).arg(entry.path()).status().unwrap(); @@ -2783,8 +2783,7 @@ impl<'test> TestCx<'test> { &compare_dir, self.config.verbose, |file_type, extension| { - file_type.is_file() - && (extension == Some("html".into()) || extension == Some("js".into())) + file_type.is_file() && (extension == Some("html") || extension == Some("js")) }, ) { return; @@ -2830,11 +2829,11 @@ impl<'test> TestCx<'test> { } match String::from_utf8(line.clone()) { Ok(line) => { - if line.starts_with("+") { + if line.starts_with('+') { write!(&mut out, "{}", line.green()).unwrap(); - } else if line.starts_with("-") { + } else if line.starts_with('-') { write!(&mut out, "{}", line.red()).unwrap(); - } else if line.starts_with("@") { + } else if line.starts_with('@') { write!(&mut out, "{}", line.blue()).unwrap(); } else { out.write_all(line.as_bytes()).unwrap(); @@ -2907,7 +2906,7 @@ impl<'test> TestCx<'test> { && line.ends_with(';') { if let Some(ref mut other_files) = other_files { - other_files.push(line.rsplit("mod ").next().unwrap().replace(";", "")); + other_files.push(line.rsplit("mod ").next().unwrap().replace(';', "")); } None } else { @@ -3139,7 +3138,7 @@ impl<'test> TestCx<'test> { let mut string = String::new(); for cgu in cgus { string.push_str(&cgu[..]); - string.push_str(" "); + string.push(' '); } string @@ -3172,10 +3171,7 @@ impl<'test> TestCx<'test> { // CGUs joined with "--". This function splits such composite CGU names // and handles each component individually. fn remove_crate_disambiguators_from_set_of_cgu_names(cgus: &str) -> String { - cgus.split("--") - .map(|cgu| remove_crate_disambiguator_from_cgu(cgu)) - .collect::>() - .join("--") + cgus.split("--").map(remove_crate_disambiguator_from_cgu).collect::>().join("--") } } @@ -3357,7 +3353,7 @@ impl<'test> TestCx<'test> { // endif } - if self.config.target.contains("msvc") && self.config.cc != "" { + if self.config.target.contains("msvc") && !self.config.cc.is_empty() { // We need to pass a path to `lib.exe`, so assume that `cc` is `cl.exe` // and that `lib.exe` lives next to it. let lib = Path::new(&self.config.cc).parent().unwrap().join("lib.exe"); @@ -3639,7 +3635,7 @@ impl<'test> TestCx<'test> { // endif } - if self.config.target.contains("msvc") && self.config.cc != "" { + if self.config.target.contains("msvc") && !self.config.cc.is_empty() { // We need to pass a path to `lib.exe`, so assume that `cc` is `cl.exe` // and that `lib.exe` lives next to it. let lib = Path::new(&self.config.cc).parent().unwrap().join("lib.exe"); @@ -3830,7 +3826,7 @@ impl<'test> TestCx<'test> { && !self.props.dont_check_compiler_stderr { self.fatal_proc_rec( - &format!("compiler output got truncated, cannot compare with reference file"), + "compiler output got truncated, cannot compare with reference file", &proc_res, ); } @@ -4011,8 +4007,8 @@ impl<'test> TestCx<'test> { crate_name.to_str().expect("crate name implies file name must be valid UTF-8"); // replace `a.foo` -> `a__foo` for crate name purposes. // replace `revision-name-with-dashes` -> `revision_name_with_underscore` - let crate_name = crate_name.replace(".", "__"); - let crate_name = crate_name.replace("-", "_"); + let crate_name = crate_name.replace('.', "__"); + let crate_name = crate_name.replace('-', "_"); rustc.arg("--crate-name"); rustc.arg(crate_name); } @@ -4060,7 +4056,7 @@ impl<'test> TestCx<'test> { fn check_mir_dump(&self, test_info: MiroptTest) { let test_dir = self.testpaths.file.parent().unwrap(); let test_crate = - self.testpaths.file.file_stem().unwrap().to_str().unwrap().replace("-", "_"); + self.testpaths.file.file_stem().unwrap().to_str().unwrap().replace('-', "_"); let MiroptTest { run_filecheck, suffix, files, passes: _ } = test_info; diff --git a/src/tools/compiletest/src/runtest/debugger.rs b/src/tools/compiletest/src/runtest/debugger.rs index eebe5f3580b3..ed6cc97a8abb 100644 --- a/src/tools/compiletest/src/runtest/debugger.rs +++ b/src/tools/compiletest/src/runtest/debugger.rs @@ -148,5 +148,5 @@ fn check_single_line(line: &str, check_line: &str) -> bool { rest = &rest[pos + current_fragment.len()..]; } - if !can_end_anywhere && !rest.is_empty() { false } else { true } + can_end_anywhere || rest.is_empty() } diff --git a/src/tools/compiletest/src/tests.rs b/src/tools/compiletest/src/tests.rs index e6725dba2605..4292f234adc7 100644 --- a/src/tools/compiletest/src/tests.rs +++ b/src/tools/compiletest/src/tests.rs @@ -58,11 +58,11 @@ fn test_extract_lldb_version() { #[test] fn is_test_test() { - assert_eq!(true, is_test(&OsString::from("a_test.rs"))); - assert_eq!(false, is_test(&OsString::from(".a_test.rs"))); - assert_eq!(false, is_test(&OsString::from("a_cat.gif"))); - assert_eq!(false, is_test(&OsString::from("#a_dog_gif"))); - assert_eq!(false, is_test(&OsString::from("~a_temp_file"))); + assert!(is_test(&OsString::from("a_test.rs"))); + assert!(!is_test(&OsString::from(".a_test.rs"))); + assert!(!is_test(&OsString::from("a_cat.gif"))); + assert!(!is_test(&OsString::from("#a_dog_gif"))); + assert!(!is_test(&OsString::from("~a_temp_file"))); } #[test] From a5ef43e1a50c359f8f95b21d62823a2f13d0c883 Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Thu, 6 Jun 2024 21:00:56 +0300 Subject: [PATCH 1496/1716] build_helper: apply considerable clippy suggestions Signed-off-by: onur-ozkan --- src/tools/build_helper/src/git.rs | 26 +++++++++++--------------- 1 file changed, 11 insertions(+), 15 deletions(-) diff --git a/src/tools/build_helper/src/git.rs b/src/tools/build_helper/src/git.rs index a3c857b0268c..b4522de6897d 100644 --- a/src/tools/build_helper/src/git.rs +++ b/src/tools/build_helper/src/git.rs @@ -21,7 +21,7 @@ fn output_result(cmd: &mut Command) -> Result { String::from_utf8(output.stderr).map_err(|err| format!("{err:?}"))? )); } - Ok(String::from_utf8(output.stdout).map_err(|err| format!("{err:?}"))?) + String::from_utf8(output.stdout).map_err(|err| format!("{err:?}")) } /// Finds the remote for rust-lang/rust. @@ -64,18 +64,14 @@ pub fn rev_exists(rev: &str, git_dir: Option<&Path>) -> Result { match output.status.code() { Some(0) => Ok(true), Some(128) => Ok(false), - None => { - return Err(format!( - "git didn't exit properly: {}", - String::from_utf8(output.stderr).map_err(|err| format!("{err:?}"))? - )); - } - Some(code) => { - return Err(format!( - "git command exited with status code: {code}: {}", - String::from_utf8(output.stderr).map_err(|err| format!("{err:?}"))? - )); - } + None => Err(format!( + "git didn't exit properly: {}", + String::from_utf8(output.stderr).map_err(|err| format!("{err:?}"))? + )), + Some(code) => Err(format!( + "git command exited with status code: {code}: {}", + String::from_utf8(output.stderr).map_err(|err| format!("{err:?}"))? + )), } } @@ -96,7 +92,7 @@ pub fn updated_master_branch( } } - Err(format!("Cannot find any suitable upstream master branch")) + Err("Cannot find any suitable upstream master branch".to_owned()) } pub fn get_git_merge_base( @@ -118,7 +114,7 @@ pub fn get_git_merge_base( pub fn get_git_modified_files( config: &GitConfig<'_>, git_dir: Option<&Path>, - extensions: &Vec<&str>, + extensions: &[&str], ) -> Result>, String> { let merge_base = get_git_merge_base(config, git_dir)?; From 4a7c1383673fd99bef60b7dda777e7ff4fd50186 Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Thu, 6 Jun 2024 21:01:19 +0300 Subject: [PATCH 1497/1716] build-manifest: apply considerable clippy suggestions Signed-off-by: onur-ozkan --- src/tools/build-manifest/src/main.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/build-manifest/src/main.rs b/src/tools/build-manifest/src/main.rs index 9f33e4312740..b4d47cba7c5b 100644 --- a/src/tools/build-manifest/src/main.rs +++ b/src/tools/build-manifest/src/main.rs @@ -495,7 +495,7 @@ impl Builder { Some(p) => p, None => return false, }; - pkg.target.get(&c.target).is_some() + pkg.target.contains_key(&c.target) }; extensions.retain(&has_component); components.retain(&has_component); From 481dcb068f0956a2c71eb0907b231a843344ffee Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Thu, 6 Jun 2024 21:01:36 +0300 Subject: [PATCH 1498/1716] jsondoclint: apply considerable clippy suggestions Signed-off-by: onur-ozkan --- src/tools/jsondoclint/src/validator.rs | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/src/tools/jsondoclint/src/validator.rs b/src/tools/jsondoclint/src/validator.rs index 5e35ce242fe4..1713a4d812c4 100644 --- a/src/tools/jsondoclint/src/validator.rs +++ b/src/tools/jsondoclint/src/validator.rs @@ -418,15 +418,13 @@ impl<'a> Validator<'a> { } else { self.fail_expecting(id, expected); } - } else { - if !self.missing_ids.contains(id) { - self.missing_ids.insert(id); + } else if !self.missing_ids.contains(id) { + self.missing_ids.insert(id); - let sels = json_find::find_selector(&self.krate_json, &Value::String(id.0.clone())); - assert_ne!(sels.len(), 0); + let sels = json_find::find_selector(&self.krate_json, &Value::String(id.0.clone())); + assert_ne!(sels.len(), 0); - self.fail(id, ErrorKind::NotFound(sels)) - } + self.fail(id, ErrorKind::NotFound(sels)) } } From c755df2d35a813476bc70a96b22c9dc21c0e6175 Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Thu, 6 Jun 2024 21:01:51 +0300 Subject: [PATCH 1499/1716] remote-test-server: apply considerable clippy suggestions Signed-off-by: onur-ozkan --- src/tools/remote-test-server/src/main.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/remote-test-server/src/main.rs b/src/tools/remote-test-server/src/main.rs index 68d7aa56c438..79f96c502238 100644 --- a/src/tools/remote-test-server/src/main.rs +++ b/src/tools/remote-test-server/src/main.rs @@ -282,7 +282,7 @@ fn handle_run(socket: TcpStream, work: &Path, tmp: &Path, lock: &Mutex<()>, conf cmd.env(library_path, env::join_paths(paths).unwrap()); // Some tests assume RUST_TEST_TMPDIR exists - cmd.env("RUST_TEST_TMPDIR", tmp.to_owned()); + cmd.env("RUST_TEST_TMPDIR", tmp); let socket = Arc::new(Mutex::new(reader.into_inner())); From 5aa3fbce6177d5a1b68fd3e930c033ef9655b58a Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Thu, 6 Jun 2024 21:02:08 +0300 Subject: [PATCH 1500/1716] remote-test-client: apply considerable clippy suggestions Signed-off-by: onur-ozkan --- src/tools/remote-test-client/src/main.rs | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/src/tools/remote-test-client/src/main.rs b/src/tools/remote-test-client/src/main.rs index 590c735596ed..dd2c09c430b6 100644 --- a/src/tools/remote-test-client/src/main.rs +++ b/src/tools/remote-test-client/src/main.rs @@ -317,13 +317,11 @@ fn run(support_lib_count: usize, exe: String, all_args: Vec) { t!(io::copy(&mut (&mut client).take(amt), &mut stdout)); t!(stdout.flush()); } + } else if amt == 0 { + stderr_done = true; } else { - if amt == 0 { - stderr_done = true; - } else { - t!(io::copy(&mut (&mut client).take(amt), &mut stderr)); - t!(stderr.flush()); - } + t!(io::copy(&mut (&mut client).take(amt), &mut stderr)); + t!(stderr.flush()); } } From 80d96dffaef846833c8ea47430448b3015cce191 Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Thu, 6 Jun 2024 21:02:23 +0300 Subject: [PATCH 1501/1716] lint-docs: apply considerable clippy suggestions Signed-off-by: onur-ozkan --- src/tools/lint-docs/src/groups.rs | 8 ++++---- src/tools/lint-docs/src/lib.rs | 12 ++++++------ 2 files changed, 10 insertions(+), 10 deletions(-) diff --git a/src/tools/lint-docs/src/groups.rs b/src/tools/lint-docs/src/groups.rs index 73f5738469ed..f246d71d499b 100644 --- a/src/tools/lint-docs/src/groups.rs +++ b/src/tools/lint-docs/src/groups.rs @@ -121,13 +121,13 @@ impl<'a> LintExtractor<'a> { }; to_link.extend(group_lints); let brackets: Vec<_> = group_lints.iter().map(|l| format!("[{}]", l)).collect(); - write!(result, "| {} | {} | {} |\n", group_name, description, brackets.join(", ")) + writeln!(result, "| {} | {} | {} |", group_name, description, brackets.join(", ")) .unwrap(); } result.push('\n'); result.push_str("[warn-by-default]: listing/warn-by-default.md\n"); for lint_name in to_link { - let lint_def = match lints.iter().find(|l| l.name == lint_name.replace("-", "_")) { + let lint_def = match lints.iter().find(|l| l.name == lint_name.replace('-', "_")) { Some(def) => def, None => { let msg = format!( @@ -144,9 +144,9 @@ impl<'a> LintExtractor<'a> { } } }; - write!( + writeln!( result, - "[{}]: listing/{}#{}\n", + "[{}]: listing/{}#{}", lint_name, lint_def.level.doc_filename(), lint_name diff --git a/src/tools/lint-docs/src/lib.rs b/src/tools/lint-docs/src/lib.rs index c79b377727ab..72d6a495e7e7 100644 --- a/src/tools/lint-docs/src/lib.rs +++ b/src/tools/lint-docs/src/lib.rs @@ -84,8 +84,8 @@ impl Lint { for &expected in &["### Example", "### Explanation", "{{produces}}"] { if expected == "{{produces}}" && self.is_ignored() { if self.doc_contains("{{produces}}") { - return Err(format!( - "the lint example has `ignore`, but also contains the {{{{produces}}}} marker\n\ + return Err( + "the lint example has `ignore`, but also contains the {{produces}} marker\n\ \n\ The documentation generator cannot generate the example output when the \ example is ignored.\n\ @@ -111,7 +111,7 @@ impl Lint { Replacing the output with the text of the example you \ compiled manually yourself.\n\ " - ).into()); + .into()); } continue; } @@ -519,11 +519,11 @@ impl<'a> LintExtractor<'a> { let mut these_lints: Vec<_> = lints.iter().filter(|lint| lint.level == level).collect(); these_lints.sort_unstable_by_key(|lint| &lint.name); for lint in &these_lints { - write!(result, "* [`{}`](#{})\n", lint.name, lint.name.replace("_", "-")).unwrap(); + writeln!(result, "* [`{}`](#{})", lint.name, lint.name.replace('_', "-")).unwrap(); } result.push('\n'); for lint in &these_lints { - write!(result, "## {}\n\n", lint.name.replace("_", "-")).unwrap(); + write!(result, "## {}\n\n", lint.name.replace('_', "-")).unwrap(); for line in &lint.doc { result.push_str(line); result.push('\n'); @@ -583,7 +583,7 @@ fn add_rename_redirect(level: Level, output: &mut String) { let filename = level.doc_filename().replace(".md", ".html"); output.push_str(RENAME_START); for (from, to) in *names { - write!(output, " \"#{from}\": \"{filename}#{to}\",\n").unwrap(); + writeln!(output, " \"#{from}\": \"{filename}#{to}\",").unwrap(); } output.push_str(RENAME_END); } From a31b1b2eeb99192272c7f27bea7dc336a54e2546 Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Thu, 6 Jun 2024 21:02:37 +0300 Subject: [PATCH 1502/1716] opt-dist: apply considerable clippy suggestions Signed-off-by: onur-ozkan --- src/tools/opt-dist/src/training.rs | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/src/tools/opt-dist/src/training.rs b/src/tools/opt-dist/src/training.rs index 89f4d8957c8b..1237951b3f04 100644 --- a/src/tools/opt-dist/src/training.rs +++ b/src/tools/opt-dist/src/training.rs @@ -216,11 +216,9 @@ pub fn gather_bolt_profiles( log::info!("Profile file count: {}", profiles.len()); // Delete the gathered profiles - for profile in glob::glob(&format!("{profile_prefix}*"))?.into_iter() { - if let Ok(profile) = profile { - if let Err(error) = std::fs::remove_file(&profile) { - log::error!("Cannot delete BOLT profile {}: {error:?}", profile.display()); - } + for profile in glob::glob(&format!("{profile_prefix}*"))?.flatten() { + if let Err(error) = std::fs::remove_file(&profile) { + log::error!("Cannot delete BOLT profile {}: {error:?}", profile.display()); } } From d12f1a733846c8994fd9d375accc8477ab796ac5 Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Thu, 6 Jun 2024 21:02:48 +0300 Subject: [PATCH 1503/1716] tidy: apply considerable clippy suggestions Signed-off-by: onur-ozkan --- src/tools/tidy/src/alphabetical.rs | 2 +- src/tools/tidy/src/bins.rs | 6 +-- src/tools/tidy/src/deps.rs | 8 ++-- src/tools/tidy/src/error_codes.rs | 8 ++-- src/tools/tidy/src/ext_tool_checks.rs | 9 +++-- src/tools/tidy/src/style.rs | 57 ++++++++++++++------------- src/tools/tidy/src/walk.rs | 18 ++++----- src/tools/tidy/src/x_version.rs | 2 +- 8 files changed, 52 insertions(+), 58 deletions(-) diff --git a/src/tools/tidy/src/alphabetical.rs b/src/tools/tidy/src/alphabetical.rs index 150a9594350e..a29286fa2c59 100644 --- a/src/tools/tidy/src/alphabetical.rs +++ b/src/tools/tidy/src/alphabetical.rs @@ -88,7 +88,7 @@ fn check_section<'a>( let trimmed_line = line.trim_start_matches(' '); if trimmed_line.starts_with("//") - || (trimmed_line.starts_with("#") && !trimmed_line.starts_with("#!")) + || (trimmed_line.starts_with('#') && !trimmed_line.starts_with("#!")) || trimmed_line.starts_with(is_close_bracket) { continue; diff --git a/src/tools/tidy/src/bins.rs b/src/tools/tidy/src/bins.rs index 64ba79dc1857..c82e8b6fee98 100644 --- a/src/tools/tidy/src/bins.rs +++ b/src/tools/tidy/src/bins.rs @@ -61,7 +61,7 @@ mod os_impl { fs::remove_file(&path).expect("Deleted temp file"); // If the file is executable, then we assume that this // filesystem does not track executability, so skip this check. - return if exec { Unsupported } else { Supported }; + if exec { Unsupported } else { Supported } } Err(e) => { // If the directory is read-only or we otherwise don't have rights, @@ -76,7 +76,7 @@ mod os_impl { panic!("unable to create temporary file `{:?}`: {:?}", path, e); } - }; + } } for &source_dir in sources { @@ -92,7 +92,7 @@ mod os_impl { } } - return true; + true } // FIXME: check when rust-installer test sh files will be removed, diff --git a/src/tools/tidy/src/deps.rs b/src/tools/tidy/src/deps.rs index 2dd3d17f9e3e..7337c9843c7b 100644 --- a/src/tools/tidy/src/deps.rs +++ b/src/tools/tidy/src/deps.rs @@ -699,11 +699,9 @@ fn check_permitted_dependencies( for dep in deps { let dep = pkg_from_id(metadata, dep); // If this path is in-tree, we don't require it to be explicitly permitted. - if dep.source.is_some() { - if !permitted_dependencies.contains(dep.name.as_str()) { - tidy_error!(bad, "Dependency for {descr} not explicitly permitted: {}", dep.id); - has_permitted_dep_error = true; - } + if dep.source.is_some() && !permitted_dependencies.contains(dep.name.as_str()) { + tidy_error!(bad, "Dependency for {descr} not explicitly permitted: {}", dep.id); + has_permitted_dep_error = true; } } diff --git a/src/tools/tidy/src/error_codes.rs b/src/tools/tidy/src/error_codes.rs index 39f7e70b6939..47e2be761e6a 100644 --- a/src/tools/tidy/src/error_codes.rs +++ b/src/tools/tidy/src/error_codes.rs @@ -308,11 +308,9 @@ fn check_error_codes_tests( for line in file.lines() { let s = line.trim(); // Assuming the line starts with `error[E`, we can substring the error code out. - if s.starts_with("error[E") { - if &s[6..11] == code { - found_code = true; - break; - } + if s.starts_with("error[E") && &s[6..11] == code { + found_code = true; + break; }; } diff --git a/src/tools/tidy/src/ext_tool_checks.rs b/src/tools/tidy/src/ext_tool_checks.rs index b54fa5c6b2c9..fb626cac3fa0 100644 --- a/src/tools/tidy/src/ext_tool_checks.rs +++ b/src/tools/tidy/src/ext_tool_checks.rs @@ -78,9 +78,9 @@ fn check_impl( let mut py_path = None; let (cfg_args, file_args): (Vec<_>, Vec<_>) = pos_args - .into_iter() + .iter() .map(OsStr::new) - .partition(|arg| arg.to_str().is_some_and(|s| s.starts_with("-"))); + .partition(|arg| arg.to_str().is_some_and(|s| s.starts_with('-'))); if python_lint || python_fmt { let venv_path = outdir.join("venv"); @@ -277,10 +277,11 @@ fn create_venv_at_path(path: &Path) -> Result<(), Error> { let stderr = String::from_utf8_lossy(&out.stderr); let err = if stderr.contains("No module named virtualenv") { - Error::Generic(format!( + Error::Generic( "virtualenv not found: you may need to install it \ (`python3 -m pip install venv`)" - )) + .to_owned(), + ) } else { Error::Generic(format!( "failed to create venv at '{}' using {sys_py}: {stderr}", diff --git a/src/tools/tidy/src/style.rs b/src/tools/tidy/src/style.rs index 2d3888ec75f2..7bcb85335e07 100644 --- a/src/tools/tidy/src/style.rs +++ b/src/tools/tidy/src/style.rs @@ -463,10 +463,13 @@ pub fn check(path: &Path, bad: &mut bool) { } } // for now we just check libcore - if trimmed.contains("unsafe {") && !trimmed.starts_with("//") && !last_safety_comment { - if file.components().any(|c| c.as_os_str() == "core") && !is_test { - suppressible_tidy_err!(err, skip_undocumented_unsafe, "undocumented unsafe"); - } + if trimmed.contains("unsafe {") + && !trimmed.starts_with("//") + && !last_safety_comment + && file.components().any(|c| c.as_os_str() == "core") + && !is_test + { + suppressible_tidy_err!(err, skip_undocumented_unsafe, "undocumented unsafe"); } if trimmed.contains("// SAFETY:") { last_safety_comment = true; @@ -487,10 +490,10 @@ pub fn check(path: &Path, bad: &mut bool) { "copyright notices attributed to the Rust Project Developers are deprecated" ); } - if !file.components().any(|c| c.as_os_str() == "rustc_baked_icu_data") { - if is_unexplained_ignore(&extension, line) { - err(UNEXPLAINED_IGNORE_DOCTEST_INFO); - } + if !file.components().any(|c| c.as_os_str() == "rustc_baked_icu_data") + && is_unexplained_ignore(&extension, line) + { + err(UNEXPLAINED_IGNORE_DOCTEST_INFO); } if filename.ends_with(".cpp") && line.contains("llvm_unreachable") { @@ -525,26 +528,24 @@ pub fn check(path: &Path, bad: &mut bool) { backtick_count += comment_text.chars().filter(|ch| *ch == '`').count(); } comment_block = Some((start_line, backtick_count)); - } else { - if let Some((start_line, backtick_count)) = comment_block.take() { - if backtick_count % 2 == 1 { - let mut err = |msg: &str| { - tidy_error!(bad, "{}:{start_line}: {msg}", file.display()); - }; - let block_len = (i + 1) - start_line; - if block_len == 1 { - suppressible_tidy_err!( - err, - skip_odd_backticks, - "comment with odd number of backticks" - ); - } else { - suppressible_tidy_err!( - err, - skip_odd_backticks, - "{block_len}-line comment block with odd number of backticks" - ); - } + } else if let Some((start_line, backtick_count)) = comment_block.take() { + if backtick_count % 2 == 1 { + let mut err = |msg: &str| { + tidy_error!(bad, "{}:{start_line}: {msg}", file.display()); + }; + let block_len = (i + 1) - start_line; + if block_len == 1 { + suppressible_tidy_err!( + err, + skip_odd_backticks, + "comment with odd number of backticks" + ); + } else { + suppressible_tidy_err!( + err, + skip_odd_backticks, + "{block_len}-line comment block with odd number of backticks" + ); } } } diff --git a/src/tools/tidy/src/walk.rs b/src/tools/tidy/src/walk.rs index 63a038341665..1cecf998e284 100644 --- a/src/tools/tidy/src/walk.rs +++ b/src/tools/tidy/src/walk.rs @@ -79,13 +79,11 @@ pub(crate) fn walk_no_read( let walker = walker.filter_entry(move |e| { !skip(e.path(), e.file_type().map(|ft| ft.is_dir()).unwrap_or(false)) }); - for entry in walker.build() { - if let Ok(entry) = entry { - if entry.file_type().map_or(true, |kind| kind.is_dir() || kind.is_symlink()) { - continue; - } - f(&entry); + for entry in walker.build().flatten() { + if entry.file_type().map_or(true, |kind| kind.is_dir() || kind.is_symlink()) { + continue; } + f(&entry); } } @@ -97,11 +95,9 @@ pub(crate) fn walk_dir( ) { let mut walker = ignore::WalkBuilder::new(path); let walker = walker.filter_entry(move |e| !skip(e.path())); - for entry in walker.build() { - if let Ok(entry) = entry { - if entry.path().is_dir() { - f(&entry); - } + for entry in walker.build().flatten() { + if entry.path().is_dir() { + f(&entry); } } } diff --git a/src/tools/tidy/src/x_version.rs b/src/tools/tidy/src/x_version.rs index c470d502a654..55bfbed8b0e1 100644 --- a/src/tools/tidy/src/x_version.rs +++ b/src/tools/tidy/src/x_version.rs @@ -52,7 +52,7 @@ pub fn check(root: &Path, cargo: &Path, bad: &mut bool) { ); } } else { - return tidy_error!(bad, "failed to check version of `x`: {}", cargo_list.status); + tidy_error!(bad, "failed to check version of `x`: {}", cargo_list.status) } } From c8d2b9397acb4e8f92268df4e1146bdd6da3e67b Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Thu, 6 Jun 2024 22:31:47 +0300 Subject: [PATCH 1504/1716] fix bootstrap CI failure Signed-off-by: onur-ozkan --- src/bootstrap/src/core/build_steps/format.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/bootstrap/src/core/build_steps/format.rs b/src/bootstrap/src/core/build_steps/format.rs index 2deb9168df2a..b96e26dbb3ae 100644 --- a/src/bootstrap/src/core/build_steps/format.rs +++ b/src/bootstrap/src/core/build_steps/format.rs @@ -93,7 +93,7 @@ fn get_modified_rs_files(build: &Builder<'_>) -> Result>, Str return Ok(None); } - get_git_modified_files(&build.config.git_config(), Some(&build.config.src), &vec!["rs"]) + get_git_modified_files(&build.config.git_config(), Some(&build.config.src), &["rs"]) } #[derive(serde_derive::Deserialize)] From 4440f50996e12611e82735b57a0be143b18e9ea3 Mon Sep 17 00:00:00 2001 From: Vadim Petrochenkov Date: Sun, 3 Mar 2024 15:34:22 +0300 Subject: [PATCH 1505/1716] rustc_span: Add conveniences for working with span formats --- compiler/rustc_span/src/lib.rs | 1 + compiler/rustc_span/src/span_encoding.rs | 248 ++++++++++++++--------- 2 files changed, 149 insertions(+), 100 deletions(-) diff --git a/compiler/rustc_span/src/lib.rs b/compiler/rustc_span/src/lib.rs index 99fcaf917fe9..7b4506d33cac 100644 --- a/compiler/rustc_span/src/lib.rs +++ b/compiler/rustc_span/src/lib.rs @@ -520,6 +520,7 @@ impl SpanData { pub fn with_hi(&self, hi: BytePos) -> Span { Span::new(self.lo, hi, self.ctxt, self.parent) } + /// Avoid if possible, `Span::update_ctxt` should be preferred. #[inline] fn with_ctxt(&self, ctxt: SyntaxContext) -> Span { Span::new(self.lo, self.hi, ctxt, self.parent) diff --git a/compiler/rustc_span/src/span_encoding.rs b/compiler/rustc_span/src/span_encoding.rs index 52a1267f8918..8227597ac6f9 100644 --- a/compiler/rustc_span/src/span_encoding.rs +++ b/compiler/rustc_span/src/span_encoding.rs @@ -4,10 +4,10 @@ use crate::SPAN_TRACK; use crate::{BytePos, SpanData}; use rustc_data_structures::fx::FxIndexSet; - // This code is very hot and uses lots of arithmetic, avoid overflow checks for performance. // See https://github.com/rust-lang/rust/pull/119440#issuecomment-1874255727 use rustc_serialize::int_overflow::DebugStrictAdd; +use std::mem::transmute; /// A compressed span. /// @@ -87,45 +87,130 @@ pub struct Span { ctxt_or_parent_or_marker: u16, } -impl Span { +// Convenience structures for all span formats. +#[derive(Clone, Copy)] +struct InlineCtxt { + lo: u32, + len: u16, + ctxt: u16, +} + +#[derive(Clone, Copy)] +struct InlineParent { + lo: u32, + len_with_tag: u16, + parent: u16, +} + +#[derive(Clone, Copy)] +struct PartiallyInterned { + index: u32, + _marker1: u16, + ctxt: u16, +} + +#[derive(Clone, Copy)] +struct Interned { + index: u32, + _marker1: u16, + _marker2: u16, +} + +impl InlineCtxt { #[inline] - fn data_inline_ctxt(self) -> SpanData { - let len = self.len_with_tag_or_marker as u32; + fn data(self) -> SpanData { + let len = self.len as u32; debug_assert!(len <= MAX_LEN); SpanData { - lo: BytePos(self.lo_or_index), - hi: BytePos(self.lo_or_index.debug_strict_add(len)), - ctxt: SyntaxContext::from_u32(self.ctxt_or_parent_or_marker as u32), + lo: BytePos(self.lo), + hi: BytePos(self.lo.debug_strict_add(len)), + ctxt: SyntaxContext::from_u32(self.ctxt as u32), parent: None, } } #[inline] - fn data_inline_parent(self) -> SpanData { - let len = (self.len_with_tag_or_marker & !PARENT_TAG) as u32; + fn span(lo: u32, len: u16, ctxt: u16) -> Span { + unsafe { transmute(InlineCtxt { lo, len, ctxt }) } + } +} + +impl InlineParent { + #[inline] + fn data(self) -> SpanData { + let len = (self.len_with_tag & !PARENT_TAG) as u32; debug_assert!(len <= MAX_LEN); - let parent = LocalDefId { - local_def_index: DefIndex::from_u32(self.ctxt_or_parent_or_marker as u32), - }; SpanData { - lo: BytePos(self.lo_or_index), - hi: BytePos(self.lo_or_index.debug_strict_add(len)), + lo: BytePos(self.lo), + hi: BytePos(self.lo.debug_strict_add(len)), ctxt: SyntaxContext::root(), - parent: Some(parent), + parent: Some(LocalDefId { local_def_index: DefIndex::from_u32(self.parent as u32) }), } } #[inline] - fn data_partially_interned(self) -> SpanData { + fn span(lo: u32, len_with_tag: u16, parent: u16) -> Span { + unsafe { transmute(InlineParent { lo, len_with_tag, parent }) } + } +} + +impl PartiallyInterned { + #[inline] + fn data(self) -> SpanData { SpanData { - ctxt: SyntaxContext::from_u32(self.ctxt_or_parent_or_marker as u32), - ..with_span_interner(|interner| interner.spans[self.lo_or_index as usize]) + ctxt: SyntaxContext::from_u32(self.ctxt as u32), + ..with_span_interner(|interner| interner.spans[self.index as usize]) } } #[inline] - fn data_interned(self) -> SpanData { - with_span_interner(|interner| interner.spans[self.lo_or_index as usize]) + fn span(index: u32, ctxt: u16) -> Span { + unsafe { transmute(PartiallyInterned { index, _marker1: BASE_LEN_INTERNED_MARKER, ctxt }) } } } +impl Interned { + #[inline] + fn data(self) -> SpanData { + with_span_interner(|interner| interner.spans[self.index as usize]) + } + #[inline] + fn span(index: u32) -> Span { + let _marker1 = BASE_LEN_INTERNED_MARKER; + unsafe { transmute(Interned { index, _marker1, _marker2: CTXT_INTERNED_MARKER }) } + } +} + +// This code is very hot, and converting span to an enum and matching on it doesn't optimize away +// properly. So we are using a macro emulating such a match, but expand it directly to an if-else +// chain. +macro_rules! match_span_kind { + ( + $span:expr, + InlineCtxt($span1:ident) => $arm1:expr, + InlineParent($span2:ident) => $arm2:expr, + PartiallyInterned($span3:ident) => $arm3:expr, + Interned($span4:ident) => $arm4:expr, + ) => { + if $span.len_with_tag_or_marker != BASE_LEN_INTERNED_MARKER { + if $span.len_with_tag_or_marker & PARENT_TAG == 0 { + // Inline-context format. + let $span1: &mut InlineCtxt = unsafe { transmute(&mut *$span) }; + $arm1 + } else { + // Inline-parent format. + let $span2: &mut InlineParent = unsafe { transmute(&mut *$span) }; + $arm2 + } + } else if $span.ctxt_or_parent_or_marker != CTXT_INTERNED_MARKER { + // Partially-interned format. + let $span3: &mut PartiallyInterned = unsafe { transmute(&mut *$span) }; + $arm3 + } else { + // Interned format. + let $span4: &mut Interned = unsafe { transmute(&mut *$span) }; + $arm4 + } + }; +} + // `MAX_LEN` is chosen so that `PARENT_TAG | MAX_LEN` is distinct from // `BASE_LEN_INTERNED_MARKER`. (If `MAX_LEN` was 1 higher, this wouldn't be true.) const MAX_LEN: u32 = 0b0111_1111_1111_1110; @@ -154,23 +239,13 @@ impl Span { let (len, ctxt32) = (hi.0 - lo.0, ctxt.as_u32()); if len <= MAX_LEN { if ctxt32 <= MAX_CTXT && parent.is_none() { - // Inline-context format. - return Span { - lo_or_index: lo.0, - len_with_tag_or_marker: len as u16, - ctxt_or_parent_or_marker: ctxt32 as u16, - }; + return InlineCtxt::span(lo.0, len as u16, ctxt32 as u16); } else if ctxt32 == 0 && let Some(parent) = parent && let parent32 = parent.local_def_index.as_u32() && parent32 <= MAX_CTXT { - // Inline-parent format. - return Span { - lo_or_index: lo.0, - len_with_tag_or_marker: PARENT_TAG | len as u16, - ctxt_or_parent_or_marker: parent32 as u16, - }; + return InlineParent::span(lo.0, PARENT_TAG | len as u16, parent32 as u16); } } @@ -179,20 +254,10 @@ impl Span { with_span_interner(|interner| interner.intern(&SpanData { lo, hi, ctxt, parent })) }; if ctxt32 <= MAX_CTXT { - // Partially-interned format. - Span { - // Interned ctxt should never be read, so it can use any value. - lo_or_index: index(SyntaxContext::from_u32(u32::MAX)), - len_with_tag_or_marker: BASE_LEN_INTERNED_MARKER, - ctxt_or_parent_or_marker: ctxt32 as u16, - } + // Interned ctxt should never be read, so it can use any value. + PartiallyInterned::span(index(SyntaxContext::from_u32(u32::MAX)), ctxt32 as u16) } else { - // Interned format. - Span { - lo_or_index: index(ctxt), - len_with_tag_or_marker: BASE_LEN_INTERNED_MARKER, - ctxt_or_parent_or_marker: CTXT_INTERNED_MARKER, - } + Interned::span(index(ctxt)) } } @@ -208,21 +273,13 @@ impl Span { /// Internal function to translate between an encoded span and the expanded representation. /// This function must not be used outside the incremental engine. #[inline] - pub fn data_untracked(self) -> SpanData { - if self.len_with_tag_or_marker != BASE_LEN_INTERNED_MARKER { - if self.len_with_tag_or_marker & PARENT_TAG == 0 { - // Inline-context format. - self.data_inline_ctxt() - } else { - // Inline-parent format. - self.data_inline_parent() - } - } else if self.ctxt_or_parent_or_marker != CTXT_INTERNED_MARKER { - // Partially-interned format. - self.data_partially_interned() - } else { - // Interned format. - self.data_interned() + pub fn data_untracked(mut self) -> SpanData { + match_span_kind! { + &mut self, + InlineCtxt(span) => span.data(), + InlineParent(span) => span.data(), + PartiallyInterned(span) => span.data(), + Interned(span) => span.data(), } } @@ -249,42 +306,41 @@ impl Span { #[inline] pub fn update_ctxt(&mut self, update: impl FnOnce(SyntaxContext) -> SyntaxContext) { let (updated_ctxt32, data); - if self.len_with_tag_or_marker != BASE_LEN_INTERNED_MARKER { - if self.len_with_tag_or_marker & PARENT_TAG == 0 { - // Inline-context format. + match_span_kind! { + self, + InlineCtxt(span) => { updated_ctxt32 = - update(SyntaxContext::from_u32(self.ctxt_or_parent_or_marker as u32)).as_u32(); + update(SyntaxContext::from_u32(span.ctxt as u32)).as_u32(); // Any small new context including zero will preserve the format. if updated_ctxt32 <= MAX_CTXT { - self.ctxt_or_parent_or_marker = updated_ctxt32 as u16; + span.ctxt = updated_ctxt32 as u16; return; } - data = self.data_inline_ctxt(); - } else { - // Inline-parent format. + data = span.data(); + }, + InlineParent(span) => { updated_ctxt32 = update(SyntaxContext::root()).as_u32(); // Only if the new context is zero the format will be preserved. if updated_ctxt32 == 0 { // Do nothing. return; } - data = self.data_inline_parent(); - } - } else if self.ctxt_or_parent_or_marker != CTXT_INTERNED_MARKER { - // Partially-interned format. - updated_ctxt32 = - update(SyntaxContext::from_u32(self.ctxt_or_parent_or_marker as u32)).as_u32(); - // Any small new context excluding zero will preserve the format. - // Zero may change the format to `InlineParent` if parent and len are small enough. - if updated_ctxt32 <= MAX_CTXT && updated_ctxt32 != 0 { - self.ctxt_or_parent_or_marker = updated_ctxt32 as u16; - return; - } - data = self.data_partially_interned(); - } else { - // Interned format. - data = self.data_interned(); - updated_ctxt32 = update(data.ctxt).as_u32(); + data = span.data(); + }, + PartiallyInterned(span) => { + updated_ctxt32 = update(SyntaxContext::from_u32(span.ctxt as u32)).as_u32(); + // Any small new context excluding zero will preserve the format. + // Zero may change the format to `InlineParent` if parent and len are small enough. + if updated_ctxt32 <= MAX_CTXT && updated_ctxt32 != 0 { + span.ctxt = updated_ctxt32 as u16; + return; + } + data = span.data(); + }, + Interned(span) => { + data = span.data(); + updated_ctxt32 = update(data.ctxt).as_u32(); + }, } // We could not keep the span in the same inline format, fall back to the complete logic. @@ -294,21 +350,13 @@ impl Span { // Returns either syntactic context, if it can be retrieved without taking the interner lock, // or an index into the interner if it cannot. #[inline] - fn inline_ctxt(self) -> Result { - if self.len_with_tag_or_marker != BASE_LEN_INTERNED_MARKER { - if self.len_with_tag_or_marker & PARENT_TAG == 0 { - // Inline-context format. - Ok(SyntaxContext::from_u32(self.ctxt_or_parent_or_marker as u32)) - } else { - // Inline-parent format. - Ok(SyntaxContext::root()) - } - } else if self.ctxt_or_parent_or_marker != CTXT_INTERNED_MARKER { - // Partially-interned format. - Ok(SyntaxContext::from_u32(self.ctxt_or_parent_or_marker as u32)) - } else { - // Interned format. - Err(self.lo_or_index as usize) + fn inline_ctxt(mut self) -> Result { + match_span_kind! { + &mut self, + InlineCtxt(span) => Ok(SyntaxContext::from_u32(span.ctxt as u32)), + InlineParent(_span) => Ok(SyntaxContext::root()), + PartiallyInterned(span) => Ok(SyntaxContext::from_u32(span.ctxt as u32)), + Interned(span) => Err(span.index as usize), } } From 6fea953267298e98ee630e595efcfe1c3a287976 Mon Sep 17 00:00:00 2001 From: Vadim Petrochenkov Date: Wed, 12 Jun 2024 01:58:29 +0300 Subject: [PATCH 1506/1716] rustc_span: By-value interface for ctxt update --- compiler/rustc_expand/src/mbe/transcribe.rs | 2 +- compiler/rustc_span/src/lib.rs | 22 +++++++--------- compiler/rustc_span/src/span_encoding.rs | 28 ++++++++++----------- 3 files changed, 23 insertions(+), 29 deletions(-) diff --git a/compiler/rustc_expand/src/mbe/transcribe.rs b/compiler/rustc_expand/src/mbe/transcribe.rs index 25e961d60090..5aa9242fa166 100644 --- a/compiler/rustc_expand/src/mbe/transcribe.rs +++ b/compiler/rustc_expand/src/mbe/transcribe.rs @@ -30,7 +30,7 @@ impl MutVisitor for Marker { // it's some advanced case with macro-generated macros. So if we cache the marked version // of that context once, we'll typically have a 100% cache hit rate after that. let Marker(expn_id, transparency, ref mut cache) = *self; - span.update_ctxt(|ctxt| { + *span = span.map_ctxt(|ctxt| { *cache .entry(ctxt) .or_insert_with(|| ctxt.apply_mark(expn_id.to_expn_id(), transparency)) diff --git a/compiler/rustc_span/src/lib.rs b/compiler/rustc_span/src/lib.rs index 7b4506d33cac..b7ffe6c618af 100644 --- a/compiler/rustc_span/src/lib.rs +++ b/compiler/rustc_span/src/lib.rs @@ -520,7 +520,7 @@ impl SpanData { pub fn with_hi(&self, hi: BytePos) -> Span { Span::new(self.lo, hi, self.ctxt, self.parent) } - /// Avoid if possible, `Span::update_ctxt` should be preferred. + /// Avoid if possible, `Span::map_ctxt` should be preferred. #[inline] fn with_ctxt(&self, ctxt: SyntaxContext) -> Span { Span::new(self.lo, self.hi, ctxt, self.parent) @@ -577,9 +577,8 @@ impl Span { self.data().with_hi(hi) } #[inline] - pub fn with_ctxt(mut self, ctxt: SyntaxContext) -> Span { - self.update_ctxt(|_| ctxt); - self + pub fn with_ctxt(self, ctxt: SyntaxContext) -> Span { + self.map_ctxt(|_| ctxt) } #[inline] pub fn parent(self) -> Option { @@ -1060,9 +1059,8 @@ impl Span { } #[inline] - pub fn apply_mark(mut self, expn_id: ExpnId, transparency: Transparency) -> Span { - self.update_ctxt(|ctxt| ctxt.apply_mark(expn_id, transparency)); - self + pub fn apply_mark(self, expn_id: ExpnId, transparency: Transparency) -> Span { + self.map_ctxt(|ctxt| ctxt.apply_mark(expn_id, transparency)) } #[inline] @@ -1110,15 +1108,13 @@ impl Span { } #[inline] - pub fn normalize_to_macros_2_0(mut self) -> Span { - self.update_ctxt(|ctxt| ctxt.normalize_to_macros_2_0()); - self + pub fn normalize_to_macros_2_0(self) -> Span { + self.map_ctxt(|ctxt| ctxt.normalize_to_macros_2_0()) } #[inline] - pub fn normalize_to_macro_rules(mut self) -> Span { - self.update_ctxt(|ctxt| ctxt.normalize_to_macro_rules()); - self + pub fn normalize_to_macro_rules(self) -> Span { + self.map_ctxt(|ctxt| ctxt.normalize_to_macro_rules()) } } diff --git a/compiler/rustc_span/src/span_encoding.rs b/compiler/rustc_span/src/span_encoding.rs index 8227597ac6f9..69d7b4ca8c2b 100644 --- a/compiler/rustc_span/src/span_encoding.rs +++ b/compiler/rustc_span/src/span_encoding.rs @@ -192,20 +192,20 @@ macro_rules! match_span_kind { if $span.len_with_tag_or_marker != BASE_LEN_INTERNED_MARKER { if $span.len_with_tag_or_marker & PARENT_TAG == 0 { // Inline-context format. - let $span1: &mut InlineCtxt = unsafe { transmute(&mut *$span) }; + let $span1: InlineCtxt = unsafe { transmute($span) }; $arm1 } else { // Inline-parent format. - let $span2: &mut InlineParent = unsafe { transmute(&mut *$span) }; + let $span2: InlineParent = unsafe { transmute($span) }; $arm2 } } else if $span.ctxt_or_parent_or_marker != CTXT_INTERNED_MARKER { // Partially-interned format. - let $span3: &mut PartiallyInterned = unsafe { transmute(&mut *$span) }; + let $span3: PartiallyInterned = unsafe { transmute($span) }; $arm3 } else { // Interned format. - let $span4: &mut Interned = unsafe { transmute(&mut *$span) }; + let $span4: Interned = unsafe { transmute($span) }; $arm4 } }; @@ -273,9 +273,9 @@ impl Span { /// Internal function to translate between an encoded span and the expanded representation. /// This function must not be used outside the incremental engine. #[inline] - pub fn data_untracked(mut self) -> SpanData { + pub fn data_untracked(self) -> SpanData { match_span_kind! { - &mut self, + self, InlineCtxt(span) => span.data(), InlineParent(span) => span.data(), PartiallyInterned(span) => span.data(), @@ -304,7 +304,7 @@ impl Span { // update doesn't change format. All non-inline or format changing scenarios require accessing // interner and can fall back to `Span::new`. #[inline] - pub fn update_ctxt(&mut self, update: impl FnOnce(SyntaxContext) -> SyntaxContext) { + pub fn map_ctxt(self, update: impl FnOnce(SyntaxContext) -> SyntaxContext) -> Span { let (updated_ctxt32, data); match_span_kind! { self, @@ -313,8 +313,7 @@ impl Span { update(SyntaxContext::from_u32(span.ctxt as u32)).as_u32(); // Any small new context including zero will preserve the format. if updated_ctxt32 <= MAX_CTXT { - span.ctxt = updated_ctxt32 as u16; - return; + return InlineCtxt::span(span.lo, span.len, updated_ctxt32 as u16); } data = span.data(); }, @@ -323,7 +322,7 @@ impl Span { // Only if the new context is zero the format will be preserved. if updated_ctxt32 == 0 { // Do nothing. - return; + return self; } data = span.data(); }, @@ -332,8 +331,7 @@ impl Span { // Any small new context excluding zero will preserve the format. // Zero may change the format to `InlineParent` if parent and len are small enough. if updated_ctxt32 <= MAX_CTXT && updated_ctxt32 != 0 { - span.ctxt = updated_ctxt32 as u16; - return; + return PartiallyInterned::span(span.index, updated_ctxt32 as u16); } data = span.data(); }, @@ -344,15 +342,15 @@ impl Span { } // We could not keep the span in the same inline format, fall back to the complete logic. - *self = data.with_ctxt(SyntaxContext::from_u32(updated_ctxt32)); + data.with_ctxt(SyntaxContext::from_u32(updated_ctxt32)) } // Returns either syntactic context, if it can be retrieved without taking the interner lock, // or an index into the interner if it cannot. #[inline] - fn inline_ctxt(mut self) -> Result { + fn inline_ctxt(self) -> Result { match_span_kind! { - &mut self, + self, InlineCtxt(span) => Ok(SyntaxContext::from_u32(span.ctxt as u32)), InlineParent(_span) => Ok(SyntaxContext::root()), PartiallyInterned(span) => Ok(SyntaxContext::from_u32(span.ctxt as u32)), From 57106e4a46648421de7b20c50483b21b58f48809 Mon Sep 17 00:00:00 2001 From: David Tolnay Date: Wed, 10 Apr 2024 16:44:10 -0700 Subject: [PATCH 1507/1716] Rename proc_macro::Literal tests from parse.rs to literal.rs This module contains tests not just of parse (FromStr) but also to_string (Display) for literals. --- tests/ui/proc-macro/auxiliary/api/{parse.rs => literal.rs} | 0 tests/ui/proc-macro/auxiliary/api/mod.rs | 4 ++-- 2 files changed, 2 insertions(+), 2 deletions(-) rename tests/ui/proc-macro/auxiliary/api/{parse.rs => literal.rs} (100%) diff --git a/tests/ui/proc-macro/auxiliary/api/parse.rs b/tests/ui/proc-macro/auxiliary/api/literal.rs similarity index 100% rename from tests/ui/proc-macro/auxiliary/api/parse.rs rename to tests/ui/proc-macro/auxiliary/api/literal.rs diff --git a/tests/ui/proc-macro/auxiliary/api/mod.rs b/tests/ui/proc-macro/auxiliary/api/mod.rs index 45ef6922d283..e0a381cb6c1a 100644 --- a/tests/ui/proc-macro/auxiliary/api/mod.rs +++ b/tests/ui/proc-macro/auxiliary/api/mod.rs @@ -10,7 +10,7 @@ extern crate proc_macro; mod cmp; -mod parse; +mod literal; use proc_macro::TokenStream; @@ -19,7 +19,7 @@ pub fn run(input: TokenStream) -> TokenStream { assert!(input.is_empty()); cmp::test(); - parse::test(); + literal::test(); TokenStream::new() } From 2cc02849059a7efb7fd5f7a726a31a38ee732c1e Mon Sep 17 00:00:00 2001 From: David Tolnay Date: Wed, 10 Apr 2024 17:52:30 -0700 Subject: [PATCH 1508/1716] Add more Literal::to_string tests --- tests/ui/proc-macro/auxiliary/api/literal.rs | 45 +++++++++++++++----- 1 file changed, 35 insertions(+), 10 deletions(-) diff --git a/tests/ui/proc-macro/auxiliary/api/literal.rs b/tests/ui/proc-macro/auxiliary/api/literal.rs index 801c616c8040..a3519f5791a8 100644 --- a/tests/ui/proc-macro/auxiliary/api/literal.rs +++ b/tests/ui/proc-macro/auxiliary/api/literal.rs @@ -19,17 +19,42 @@ fn test_display_literal() { "10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0", ); - assert_eq!(Literal::string("a \t ❤ ' \" \u{1}").to_string(), "\"a \\t ❤ ' \\\" \\u{1}\"",); - assert_eq!(Literal::c_string(c"\'\"\x7f\u{7fff}").to_string(), r#"c"\'\"\x7f\xe7\xbf\xbf""#); - assert_eq!(Literal::character('a').to_string(), "'a'"); - assert_eq!(Literal::character('\t').to_string(), "'\\t'"); - assert_eq!(Literal::character('❤').to_string(), "'❤'"); - assert_eq!(Literal::character('\'').to_string(), "'\\''"); - assert_eq!(Literal::character('"').to_string(), "'\"'"); - assert_eq!(Literal::character('\u{1}').to_string(), "'\\u{1}'"); + assert_eq!(Literal::string("aA").to_string(), r#" "aA" "#.trim()); + assert_eq!(Literal::string("\t").to_string(), r#" "\t" "#.trim()); + assert_eq!(Literal::string("❤").to_string(), r#" "❤" "#.trim()); + assert_eq!(Literal::string("'").to_string(), r#" "'" "#.trim()); + assert_eq!(Literal::string("\"").to_string(), r#" "\"" "#.trim()); + assert_eq!(Literal::string("\0").to_string(), r#" "\0" "#.trim()); + assert_eq!(Literal::string("\u{1}").to_string(), r#" "\u{1}" "#.trim()); - assert_eq!(Literal::byte_character(b'a').to_string(), "b'a'"); - assert_eq!(Literal::byte_character(0).to_string(), "b'\\x00'"); + assert_eq!(Literal::byte_string(b"aA").to_string(), r#" b"aA" "#.trim()); + assert_eq!(Literal::byte_string(b"\t").to_string(), r#" b"\t" "#.trim()); + assert_eq!(Literal::byte_string(b"'").to_string(), r#" b"\'" "#.trim()); + assert_eq!(Literal::byte_string(b"\"").to_string(), r#" b"\"" "#.trim()); + assert_eq!(Literal::byte_string(b"\0").to_string(), r#" b"\x00" "#.trim()); + assert_eq!(Literal::byte_string(b"\x01").to_string(), r#" b"\x01" "#.trim()); + + assert_eq!(Literal::c_string(c"aA").to_string(), r#" c"aA" "#.trim()); + assert_eq!(Literal::c_string(c"\t").to_string(), r#" c"\t" "#.trim()); + assert_eq!(Literal::c_string(c"❤").to_string(), r#" c"\xe2\x9d\xa4" "#.trim()); + assert_eq!(Literal::c_string(c"\'").to_string(), r#" c"\'" "#.trim()); + assert_eq!(Literal::c_string(c"\"").to_string(), r#" c"\"" "#.trim()); + assert_eq!(Literal::c_string(c"\x7f\xff\xfe\u{333}").to_string(), r#" c"\x7f\xff\xfe\xcc\xb3" "#.trim()); + + assert_eq!(Literal::character('a').to_string(), r#" 'a' "#.trim()); + assert_eq!(Literal::character('\t').to_string(), r#" '\t' "#.trim()); + assert_eq!(Literal::character('❤').to_string(), r#" '❤' "#.trim()); + assert_eq!(Literal::character('\'').to_string(), r#" '\'' "#.trim()); + assert_eq!(Literal::character('"').to_string(), r#" '"' "#.trim()); + assert_eq!(Literal::character('\0').to_string(), r#" '\0' "#.trim()); + assert_eq!(Literal::character('\u{1}').to_string(), r#" '\u{1}' "#.trim()); + + assert_eq!(Literal::byte_character(b'a').to_string(), r#" b'a' "#.trim()); + assert_eq!(Literal::byte_character(b'\t').to_string(), r#" b'\t' "#.trim()); + assert_eq!(Literal::byte_character(b'\'').to_string(), r#" b'\'' "#.trim()); + assert_eq!(Literal::byte_character(b'"').to_string(), r#" b'\"' "#.trim()); + assert_eq!(Literal::byte_character(0).to_string(), r#" b'\x00' "#.trim()); + assert_eq!(Literal::byte_character(1).to_string(), r#" b'\x01' "#.trim()); } fn test_parse_literal() { From 7ddc89e893ebb6c60af4fe92c439c4a60c9118dd Mon Sep 17 00:00:00 2001 From: David Tolnay Date: Wed, 10 Apr 2024 20:55:59 -0700 Subject: [PATCH 1509/1716] Remove superfluous escaping from byte, byte str, and c str literals --- library/proc_macro/src/escape.rs | 57 ++++++++++++++++++++ library/proc_macro/src/lib.rs | 51 +++++++++++++----- tests/ui/proc-macro/auxiliary/api/literal.rs | 14 ++--- 3 files changed, 101 insertions(+), 21 deletions(-) create mode 100644 library/proc_macro/src/escape.rs diff --git a/library/proc_macro/src/escape.rs b/library/proc_macro/src/escape.rs new file mode 100644 index 000000000000..87a4d1d50fd4 --- /dev/null +++ b/library/proc_macro/src/escape.rs @@ -0,0 +1,57 @@ +#[derive(Copy, Clone)] +pub(crate) struct EscapeOptions { + /// Produce \'. + pub escape_single_quote: bool, + /// Produce \". + pub escape_double_quote: bool, + /// Produce \x escapes for non-ASCII, and use \x rather than \u for ASCII + /// control characters. + pub escape_nonascii: bool, +} + +pub(crate) fn escape_bytes(bytes: &[u8], opt: EscapeOptions) -> String { + let mut repr = String::new(); + + if opt.escape_nonascii { + for &byte in bytes { + escape_single_byte(byte, opt, &mut repr); + } + } else { + let mut chunks = bytes.utf8_chunks(); + while let Some(chunk) = chunks.next() { + for ch in chunk.valid().chars() { + escape_single_char(ch, opt, &mut repr); + } + for &byte in chunk.invalid() { + escape_single_byte(byte, opt, &mut repr); + } + } + } + + repr +} + +fn escape_single_byte(byte: u8, opt: EscapeOptions, repr: &mut String) { + if byte == b'\0' { + repr.push_str("\\0"); + } else if (byte == b'\'' && !opt.escape_single_quote) + || (byte == b'"' && !opt.escape_double_quote) + { + repr.push(byte as char); + } else { + // Escapes \t, \r, \n, \\, \', \", and uses \x## for non-ASCII and + // for ASCII control characters. + repr.extend(byte.escape_ascii().map(char::from)); + } +} + +fn escape_single_char(ch: char, opt: EscapeOptions, repr: &mut String) { + if (ch == '\'' && !opt.escape_single_quote) || (ch == '"' && !opt.escape_double_quote) { + repr.push(ch); + } else { + // Escapes \0, \t, \r, \n, \\, \', \", and uses \u{...} for + // non-printable characters and for Grapheme_Extend characters, which + // includes things like U+0300 "Combining Grave Accent". + repr.extend(ch.escape_debug()); + } +} diff --git a/library/proc_macro/src/lib.rs b/library/proc_macro/src/lib.rs index 3d7d36b27e53..581d7e3efe37 100644 --- a/library/proc_macro/src/lib.rs +++ b/library/proc_macro/src/lib.rs @@ -43,10 +43,12 @@ pub mod bridge; mod diagnostic; +mod escape; #[unstable(feature = "proc_macro_diagnostic", issue = "54140")] pub use diagnostic::{Diagnostic, Level, MultiSpan}; +use crate::escape::{escape_bytes, EscapeOptions}; use std::ffi::CStr; use std::ops::{Range, RangeBounds}; use std::path::PathBuf; @@ -1356,40 +1358,61 @@ impl Literal { /// String literal. #[stable(feature = "proc_macro_lib2", since = "1.29.0")] pub fn string(string: &str) -> Literal { - let quoted = format!("{:?}", string); - assert!(quoted.starts_with('"') && quoted.ends_with('"')); - let symbol = "ed[1..quoted.len() - 1]; - Literal::new(bridge::LitKind::Str, symbol, None) + let escape = EscapeOptions { + escape_single_quote: false, + escape_double_quote: true, + escape_nonascii: false, + }; + let repr = escape_bytes(string.as_bytes(), escape); + Literal::new(bridge::LitKind::Str, &repr, None) } /// Character literal. #[stable(feature = "proc_macro_lib2", since = "1.29.0")] pub fn character(ch: char) -> Literal { - let quoted = format!("{:?}", ch); - assert!(quoted.starts_with('\'') && quoted.ends_with('\'')); - let symbol = "ed[1..quoted.len() - 1]; - Literal::new(bridge::LitKind::Char, symbol, None) + let escape = EscapeOptions { + escape_single_quote: true, + escape_double_quote: false, + escape_nonascii: false, + }; + let repr = escape_bytes(ch.encode_utf8(&mut [0u8; 4]).as_bytes(), escape); + Literal::new(bridge::LitKind::Char, &repr, None) } /// Byte character literal. #[stable(feature = "proc_macro_byte_character", since = "1.79.0")] pub fn byte_character(byte: u8) -> Literal { - let string = [byte].escape_ascii().to_string(); - Literal::new(bridge::LitKind::Byte, &string, None) + let escape = EscapeOptions { + escape_single_quote: true, + escape_double_quote: false, + escape_nonascii: true, + }; + let repr = escape_bytes(&[byte], escape); + Literal::new(bridge::LitKind::Byte, &repr, None) } /// Byte string literal. #[stable(feature = "proc_macro_lib2", since = "1.29.0")] pub fn byte_string(bytes: &[u8]) -> Literal { - let string = bytes.escape_ascii().to_string(); - Literal::new(bridge::LitKind::ByteStr, &string, None) + let escape = EscapeOptions { + escape_single_quote: false, + escape_double_quote: true, + escape_nonascii: true, + }; + let repr = escape_bytes(bytes, escape); + Literal::new(bridge::LitKind::ByteStr, &repr, None) } /// C string literal. #[stable(feature = "proc_macro_c_str_literals", since = "1.79.0")] pub fn c_string(string: &CStr) -> Literal { - let string = string.to_bytes().escape_ascii().to_string(); - Literal::new(bridge::LitKind::CStr, &string, None) + let escape = EscapeOptions { + escape_single_quote: false, + escape_double_quote: true, + escape_nonascii: false, + }; + let repr = escape_bytes(string.to_bytes(), escape); + Literal::new(bridge::LitKind::CStr, &repr, None) } /// Returns the span encompassing this literal. diff --git a/tests/ui/proc-macro/auxiliary/api/literal.rs b/tests/ui/proc-macro/auxiliary/api/literal.rs index a3519f5791a8..7109340bb645 100644 --- a/tests/ui/proc-macro/auxiliary/api/literal.rs +++ b/tests/ui/proc-macro/auxiliary/api/literal.rs @@ -29,17 +29,17 @@ fn test_display_literal() { assert_eq!(Literal::byte_string(b"aA").to_string(), r#" b"aA" "#.trim()); assert_eq!(Literal::byte_string(b"\t").to_string(), r#" b"\t" "#.trim()); - assert_eq!(Literal::byte_string(b"'").to_string(), r#" b"\'" "#.trim()); + assert_eq!(Literal::byte_string(b"'").to_string(), r#" b"'" "#.trim()); assert_eq!(Literal::byte_string(b"\"").to_string(), r#" b"\"" "#.trim()); - assert_eq!(Literal::byte_string(b"\0").to_string(), r#" b"\x00" "#.trim()); + assert_eq!(Literal::byte_string(b"\0").to_string(), r#" b"\0" "#.trim()); assert_eq!(Literal::byte_string(b"\x01").to_string(), r#" b"\x01" "#.trim()); assert_eq!(Literal::c_string(c"aA").to_string(), r#" c"aA" "#.trim()); assert_eq!(Literal::c_string(c"\t").to_string(), r#" c"\t" "#.trim()); - assert_eq!(Literal::c_string(c"❤").to_string(), r#" c"\xe2\x9d\xa4" "#.trim()); - assert_eq!(Literal::c_string(c"\'").to_string(), r#" c"\'" "#.trim()); + assert_eq!(Literal::c_string(c"❤").to_string(), r#" c"❤" "#.trim()); + assert_eq!(Literal::c_string(c"\'").to_string(), r#" c"'" "#.trim()); assert_eq!(Literal::c_string(c"\"").to_string(), r#" c"\"" "#.trim()); - assert_eq!(Literal::c_string(c"\x7f\xff\xfe\u{333}").to_string(), r#" c"\x7f\xff\xfe\xcc\xb3" "#.trim()); + assert_eq!(Literal::c_string(c"\x7f\xff\xfe\u{333}").to_string(), r#" c"\u{7f}\xff\xfe\u{333}" "#.trim()); assert_eq!(Literal::character('a').to_string(), r#" 'a' "#.trim()); assert_eq!(Literal::character('\t').to_string(), r#" '\t' "#.trim()); @@ -52,8 +52,8 @@ fn test_display_literal() { assert_eq!(Literal::byte_character(b'a').to_string(), r#" b'a' "#.trim()); assert_eq!(Literal::byte_character(b'\t').to_string(), r#" b'\t' "#.trim()); assert_eq!(Literal::byte_character(b'\'').to_string(), r#" b'\'' "#.trim()); - assert_eq!(Literal::byte_character(b'"').to_string(), r#" b'\"' "#.trim()); - assert_eq!(Literal::byte_character(0).to_string(), r#" b'\x00' "#.trim()); + assert_eq!(Literal::byte_character(b'"').to_string(), r#" b'"' "#.trim()); + assert_eq!(Literal::byte_character(0).to_string(), r#" b'\0' "#.trim()); assert_eq!(Literal::byte_character(1).to_string(), r#" b'\x01' "#.trim()); } From 220f3ec99fda594a67c549e3587e0e484ed655ba Mon Sep 17 00:00:00 2001 From: Vadim Petrochenkov Date: Thu, 13 Jun 2024 19:50:44 +0300 Subject: [PATCH 1510/1716] rustc_span: Remove transmutes from span encoding --- compiler/rustc_span/src/span_encoding.rs | 52 +++++++++++++++++------- 1 file changed, 37 insertions(+), 15 deletions(-) diff --git a/compiler/rustc_span/src/span_encoding.rs b/compiler/rustc_span/src/span_encoding.rs index 69d7b4ca8c2b..9d5bc5b05125 100644 --- a/compiler/rustc_span/src/span_encoding.rs +++ b/compiler/rustc_span/src/span_encoding.rs @@ -4,10 +4,10 @@ use crate::SPAN_TRACK; use crate::{BytePos, SpanData}; use rustc_data_structures::fx::FxIndexSet; + // This code is very hot and uses lots of arithmetic, avoid overflow checks for performance. // See https://github.com/rust-lang/rust/pull/119440#issuecomment-1874255727 use rustc_serialize::int_overflow::DebugStrictAdd; -use std::mem::transmute; /// A compressed span. /// @@ -105,15 +105,12 @@ struct InlineParent { #[derive(Clone, Copy)] struct PartiallyInterned { index: u32, - _marker1: u16, ctxt: u16, } #[derive(Clone, Copy)] struct Interned { index: u32, - _marker1: u16, - _marker2: u16, } impl InlineCtxt { @@ -130,7 +127,13 @@ impl InlineCtxt { } #[inline] fn span(lo: u32, len: u16, ctxt: u16) -> Span { - unsafe { transmute(InlineCtxt { lo, len, ctxt }) } + Span { lo_or_index: lo, len_with_tag_or_marker: len, ctxt_or_parent_or_marker: ctxt } + } + #[inline] + fn from_span(span: Span) -> InlineCtxt { + let (lo, len, ctxt) = + (span.lo_or_index, span.len_with_tag_or_marker, span.ctxt_or_parent_or_marker); + InlineCtxt { lo, len, ctxt } } } @@ -147,8 +150,16 @@ impl InlineParent { } } #[inline] - fn span(lo: u32, len_with_tag: u16, parent: u16) -> Span { - unsafe { transmute(InlineParent { lo, len_with_tag, parent }) } + fn span(lo: u32, len: u16, parent: u16) -> Span { + let (lo_or_index, len_with_tag_or_marker, ctxt_or_parent_or_marker) = + (lo, PARENT_TAG | len, parent); + Span { lo_or_index, len_with_tag_or_marker, ctxt_or_parent_or_marker } + } + #[inline] + fn from_span(span: Span) -> InlineParent { + let (lo, len_with_tag, parent) = + (span.lo_or_index, span.len_with_tag_or_marker, span.ctxt_or_parent_or_marker); + InlineParent { lo, len_with_tag, parent } } } @@ -162,7 +173,13 @@ impl PartiallyInterned { } #[inline] fn span(index: u32, ctxt: u16) -> Span { - unsafe { transmute(PartiallyInterned { index, _marker1: BASE_LEN_INTERNED_MARKER, ctxt }) } + let (lo_or_index, len_with_tag_or_marker, ctxt_or_parent_or_marker) = + (index, BASE_LEN_INTERNED_MARKER, ctxt); + Span { lo_or_index, len_with_tag_or_marker, ctxt_or_parent_or_marker } + } + #[inline] + fn from_span(span: Span) -> PartiallyInterned { + PartiallyInterned { index: span.lo_or_index, ctxt: span.ctxt_or_parent_or_marker } } } @@ -173,8 +190,13 @@ impl Interned { } #[inline] fn span(index: u32) -> Span { - let _marker1 = BASE_LEN_INTERNED_MARKER; - unsafe { transmute(Interned { index, _marker1, _marker2: CTXT_INTERNED_MARKER }) } + let (lo_or_index, len_with_tag_or_marker, ctxt_or_parent_or_marker) = + (index, BASE_LEN_INTERNED_MARKER, CTXT_INTERNED_MARKER); + Span { lo_or_index, len_with_tag_or_marker, ctxt_or_parent_or_marker } + } + #[inline] + fn from_span(span: Span) -> Interned { + Interned { index: span.lo_or_index } } } @@ -192,20 +214,20 @@ macro_rules! match_span_kind { if $span.len_with_tag_or_marker != BASE_LEN_INTERNED_MARKER { if $span.len_with_tag_or_marker & PARENT_TAG == 0 { // Inline-context format. - let $span1: InlineCtxt = unsafe { transmute($span) }; + let $span1 = InlineCtxt::from_span($span); $arm1 } else { // Inline-parent format. - let $span2: InlineParent = unsafe { transmute($span) }; + let $span2 = InlineParent::from_span($span); $arm2 } } else if $span.ctxt_or_parent_or_marker != CTXT_INTERNED_MARKER { // Partially-interned format. - let $span3: PartiallyInterned = unsafe { transmute($span) }; + let $span3 = PartiallyInterned::from_span($span); $arm3 } else { // Interned format. - let $span4: Interned = unsafe { transmute($span) }; + let $span4 = Interned::from_span($span); $arm4 } }; @@ -245,7 +267,7 @@ impl Span { && let parent32 = parent.local_def_index.as_u32() && parent32 <= MAX_CTXT { - return InlineParent::span(lo.0, PARENT_TAG | len as u16, parent32 as u16); + return InlineParent::span(lo.0, len as u16, parent32 as u16); } } From a1667a98e8eda4e1043e731a392ca543858af44a Mon Sep 17 00:00:00 2001 From: Nilstrieb <48135649+Nilstrieb@users.noreply.github.com> Date: Mon, 10 Jun 2024 20:49:52 +0200 Subject: [PATCH 1511/1716] Fix Miri sysroot for `x run` Miri no longer respects `MIRI_SYSROOT` and wants to be treated like a REAL rustc, with `--sysroot`. *pats Miri* sure Miri, just for you :3. --- src/bootstrap/src/core/build_steps/run.rs | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/src/bootstrap/src/core/build_steps/run.rs b/src/bootstrap/src/core/build_steps/run.rs index 354eb2b60038..9268b335db7c 100644 --- a/src/bootstrap/src/core/build_steps/run.rs +++ b/src/bootstrap/src/core/build_steps/run.rs @@ -149,12 +149,14 @@ impl Step for Miri { &[], ); miri.add_rustc_lib_path(builder); - // Forward arguments. miri.arg("--").arg("--target").arg(target.rustc_target_arg()); - miri.args(builder.config.args()); // miri tests need to know about the stage sysroot - miri.env("MIRI_SYSROOT", &miri_sysroot); + miri.arg("--sysroot").arg(miri_sysroot); + + // Forward arguments. This may contain further arguments to the program + // after another --, so this must be at the end. + miri.args(builder.config.args()); let mut miri = Command::from(miri); builder.run(&mut miri); From 75571774d601487a6f79cd42826a71bbee42dcc0 Mon Sep 17 00:00:00 2001 From: Tobias Decking Date: Mon, 20 May 2024 00:54:42 +0200 Subject: [PATCH 1512/1716] Implement LLVM x86 SSE4.2 intrinsics --- src/tools/miri/src/shims/x86/mod.rs | 6 + src/tools/miri/src/shims/x86/sse42.rs | 500 ++++++++++++++++++ .../pass/shims/x86/intrinsics-x86-sse42.rs | 423 +++++++++++++++ 3 files changed, 929 insertions(+) create mode 100644 src/tools/miri/src/shims/x86/sse42.rs create mode 100644 src/tools/miri/tests/pass/shims/x86/intrinsics-x86-sse42.rs diff --git a/src/tools/miri/src/shims/x86/mod.rs b/src/tools/miri/src/shims/x86/mod.rs index f2d120df21c4..b71aec02166b 100644 --- a/src/tools/miri/src/shims/x86/mod.rs +++ b/src/tools/miri/src/shims/x86/mod.rs @@ -18,6 +18,7 @@ mod sse; mod sse2; mod sse3; mod sse41; +mod sse42; mod ssse3; impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} @@ -137,6 +138,11 @@ pub(super) trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { this, link_name, abi, args, dest, ); } + name if name.starts_with("sse42.") => { + return sse42::EvalContextExt::emulate_x86_sse42_intrinsic( + this, link_name, abi, args, dest, + ); + } name if name.starts_with("aesni.") => { return aesni::EvalContextExt::emulate_x86_aesni_intrinsic( this, link_name, abi, args, dest, diff --git a/src/tools/miri/src/shims/x86/sse42.rs b/src/tools/miri/src/shims/x86/sse42.rs new file mode 100644 index 000000000000..4e50d5e5dcfb --- /dev/null +++ b/src/tools/miri/src/shims/x86/sse42.rs @@ -0,0 +1,500 @@ +use rustc_middle::mir; +use rustc_middle::ty::layout::LayoutOf as _; +use rustc_middle::ty::Ty; +use rustc_span::Symbol; +use rustc_target::abi::Size; +use rustc_target::spec::abi::Abi; + +use crate::*; + +/// A bitmask constant for scrutinizing the immediate byte provided +/// to the string comparison intrinsics. It distinuishes between +/// 16-bit integers and 8-bit integers. See [`compare_strings`] +/// for more details about the immediate byte. +const USE_WORDS: u8 = 1; + +/// A bitmask constant for scrutinizing the immediate byte provided +/// to the string comparison intrinsics. It distinuishes between +/// signed integers and unsigned integers. See [`compare_strings`] +/// for more details about the immediate byte. +const USE_SIGNED: u8 = 2; + +/// The main worker for the string comparison intrinsics, where the given +/// strings are analyzed according to the given immediate byte. +/// +/// # Arguments +/// +/// * `str1` - The first string argument. It is always a length 16 array of bytes +/// or a length 8 array of two-byte words. +/// * `str2` - The second string argument. It is always a length 16 array of bytes +/// or a length 8 array of two-byte words. +/// * `len` is the length values of the supplied strings. It is distinct from the operand length +/// in that it describes how much of `str1` and `str2` will be used for the calculation and may +/// be smaller than the array length of `str1` and `str2`. The string length is counted in bytes +/// if using byte operands and in two-byte words when using two-byte word operands. +/// If the value is `None`, the length of a string is determined by the first +/// null value inside the string. +/// * `imm` is the immediate byte argument supplied to the intrinsic. The byte influences +/// the operation as follows: +/// +/// ```text +/// 0babccddef +/// || | |||- Use of bytes vs use of two-byte words inside the operation. +/// || | || +/// || | ||- Use of signed values versus use of unsigned values. +/// || | | +/// || | |- The comparison operation performed. A total of four operations are available. +/// || | * Equal any: Checks which characters of `str2` are inside `str1`. +/// || | * String ranges: Check if characters in `str2` are inside the provided character ranges. +/// || | Adjacent characters in `str1` constitute one range. +/// || | * String comparison: Mark positions where `str1` and `str2` have the same character. +/// || | * Substring search: Mark positions where `str1` is a substring in `str2`. +/// || | +/// || |- Result Polarity. The result bits may be subjected to a bitwise complement +/// || if these bits are set. +/// || +/// ||- Output selection. This bit has two meanings depending on the instruction. +/// | If the instruction is generating a mask, it distinguishes between a bit mask +/// | and a byte mask. Otherwise it distinguishes between the most significand bit +/// | and the least significand bit when generating an index. +/// | +/// |- This bit is ignored. It is expected that this bit is set to zero, but it is +/// not a requirement. +/// ``` +/// +/// # Returns +/// +/// A result mask. The bit at index `i` inside the mask is set if 'str2' starting at `i` +/// fulfills the test as defined inside the immediate byte. +/// The mask may be negated if negation flags inside the immediate byte are set. +/// +/// For more information, see the Intel Software Developer's Manual, Vol. 2b, Chapter 4.1. +#[allow(clippy::arithmetic_side_effects)] +fn compare_strings<'tcx>( + this: &mut MiriInterpCx<'tcx>, + str1: &OpTy<'tcx>, + str2: &OpTy<'tcx>, + len: Option<(u64, u64)>, + imm: u8, +) -> InterpResult<'tcx, i32> { + let default_len = default_len::(imm); + let (len1, len2) = if let Some(t) = len { + t + } else { + let len1 = implicit_len(this, str1, imm)?.unwrap_or(default_len); + let len2 = implicit_len(this, str2, imm)?.unwrap_or(default_len); + (len1, len2) + }; + + let mut result = 0; + match (imm >> 2) & 3 { + 0 => { + // Equal any: Checks which characters of `str2` are inside `str1`. + for i in 0..len2 { + let ch2 = this.read_immediate(&this.project_index(str2, i)?)?; + + for j in 0..len1 { + let ch1 = this.read_immediate(&this.project_index(str1, j)?)?; + + let eq = this.binary_op(mir::BinOp::Eq, &ch1, &ch2)?; + if eq.to_scalar().to_bool()? { + result |= 1 << i; + break; + } + } + } + } + 1 => { + // String ranges: Check if characters in `str2` are inside the provided character ranges. + // Adjacent characters in `str1` constitute one range. + let len1 = len1 - (len1 & 1); + let get_ch = |ch: Scalar| -> InterpResult<'tcx, i32> { + let result = match (imm & USE_WORDS != 0, imm & USE_SIGNED != 0) { + (true, true) => i32::from(ch.to_i16()?), + (true, false) => i32::from(ch.to_u16()?), + (false, true) => i32::from(ch.to_i8()?), + (false, false) => i32::from(ch.to_u8()?), + }; + Ok(result) + }; + + for i in 0..len2 { + for j in (0..len1).step_by(2) { + let ch2 = get_ch(this.read_scalar(&this.project_index(str2, i)?)?)?; + let ch1_1 = get_ch(this.read_scalar(&this.project_index(str1, j)?)?)?; + let ch1_2 = get_ch(this.read_scalar(&this.project_index(str1, j + 1)?)?)?; + + if ch1_1 <= ch2 && ch2 <= ch1_2 { + result |= 1 << i; + } + } + } + } + 2 => { + // String comparison: Mark positions where `str1` and `str2` have the same character. + result = (1 << default_len) - 1; + result ^= (1 << len1.max(len2)) - 1; + + for i in 0..len1.min(len2) { + let ch1 = this.read_immediate(&this.project_index(str1, i)?)?; + let ch2 = this.read_immediate(&this.project_index(str2, i)?)?; + let eq = this.binary_op(mir::BinOp::Eq, &ch1, &ch2)?; + result |= i32::from(eq.to_scalar().to_bool()?) << i; + } + } + 3 => { + // Substring search: Mark positions where `str1` is a substring in `str2`. + if len1 == 0 { + result = (1 << default_len) - 1; + } else if len1 <= len2 { + for i in 0..len2 { + if len1 > len2 - i { + break; + } + + result |= 1 << i; + + for j in 0..len1 { + let k = i + j; + + if k >= default_len { + break; + } else { + let ch1 = this.read_immediate(&this.project_index(str1, j)?)?; + let ch2 = this.read_immediate(&this.project_index(str2, k)?)?; + let ne = this.binary_op(mir::BinOp::Ne, &ch1, &ch2)?; + + if ne.to_scalar().to_bool()? { + result &= !(1 << i); + break; + } + } + } + } + } + } + _ => unreachable!(), + } + + // Polarity: Possibly perform a bitwise complement on the result. + match (imm >> 4) & 3 { + 3 => result ^= (1 << len1) - 1, + 1 => result ^= (1 << default_len) - 1, + _ => (), + } + + Ok(result) +} + +/// Obtain the arguments of the intrinsic based on its name. +/// The result is a tuple with the following values: +/// * The first string argument. +/// * The second string argument. +/// * The string length values, if the intrinsic requires them. +/// * The immediate instruction byte. +/// +/// The string arguments will be transmuted into arrays of bytes +/// or two-byte words, depending on the value of the immediate byte. +/// Originally, they are [__m128i](https://doc.rust-lang.org/stable/core/arch/x86_64/struct.__m128i.html) values +/// corresponding to the x86 128-bit integer SIMD type. +fn deconstruct_args<'tcx>( + unprefixed_name: &str, + this: &mut MiriInterpCx<'tcx>, + link_name: Symbol, + abi: Abi, + args: &[OpTy<'tcx>], +) -> InterpResult<'tcx, (OpTy<'tcx>, OpTy<'tcx>, Option<(u64, u64)>, u8)> { + let array_layout_fn = |this: &mut MiriInterpCx<'tcx>, imm: u8| { + if imm & USE_WORDS != 0 { + this.layout_of(Ty::new_array(this.tcx.tcx, this.tcx.types.u16, 8)) + } else { + this.layout_of(Ty::new_array(this.tcx.tcx, this.tcx.types.u8, 16)) + } + }; + + // The fourth letter of each string comparison intrinsic is either 'e' for "explicit" or 'i' for "implicit". + // The distinction will correspond to the intrinsics type signature. In this constext, "explicit" and "implicit" + // refer to the way the string length is determined. The length is either passed explicitly in the "explicit" + // case or determined by a null terminator in the "implicit" case. + let is_explicit = match unprefixed_name.as_bytes().get(4) { + Some(&b'e') => true, + Some(&b'i') => false, + _ => unreachable!(), + }; + + if is_explicit { + let [str1, len1, str2, len2, imm] = + this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?; + let imm = this.read_scalar(imm)?.to_u8()?; + + let default_len = default_len::(imm); + let len1 = u64::from(this.read_scalar(len1)?.to_u32()?.min(default_len)); + let len2 = u64::from(this.read_scalar(len2)?.to_u32()?.min(default_len)); + + let array_layout = array_layout_fn(this, imm)?; + let str1 = str1.transmute(array_layout, this)?; + let str2 = str2.transmute(array_layout, this)?; + + Ok((str1, str2, Some((len1, len2)), imm)) + } else { + let [str1, str2, imm] = this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?; + let imm = this.read_scalar(imm)?.to_u8()?; + + let array_layout = array_layout_fn(this, imm)?; + let str1 = str1.transmute(array_layout, this)?; + let str2 = str2.transmute(array_layout, this)?; + + Ok((str1, str2, None, imm)) + } +} + +/// Calculate the c-style string length for a given string `str`. +/// The string is either a length 16 array of bytes a length 8 array of two-byte words. +fn implicit_len<'tcx>( + this: &mut MiriInterpCx<'tcx>, + str: &OpTy<'tcx>, + imm: u8, +) -> InterpResult<'tcx, Option> { + let mut result = None; + let zero = ImmTy::from_int(0, str.layout.field(this, 0)); + + for i in 0..default_len::(imm) { + let ch = this.read_immediate(&this.project_index(str, i)?)?; + let is_zero = this.binary_op(mir::BinOp::Eq, &ch, &zero)?; + if is_zero.to_scalar().to_bool()? { + result = Some(i); + break; + } + } + Ok(result) +} + +#[inline] +fn default_len>(imm: u8) -> T { + if imm & USE_WORDS != 0 { T::from(8u8) } else { T::from(16u8) } +} + +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub(super) trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { + fn emulate_x86_sse42_intrinsic( + &mut self, + link_name: Symbol, + abi: Abi, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, + ) -> InterpResult<'tcx, EmulateItemResult> { + let this = self.eval_context_mut(); + this.expect_target_feature_for_intrinsic(link_name, "sse4.2")?; + // Prefix should have already been checked. + let unprefixed_name = link_name.as_str().strip_prefix("llvm.x86.sse42.").unwrap(); + + match unprefixed_name { + // Used to implement the `_mm_cmpestrm` and the `_mm_cmpistrm` functions. + // These functions compare the input strings and return the resulting mask. + // https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#ig_expand=1044,922 + "pcmpistrm128" | "pcmpestrm128" => { + let (str1, str2, len, imm) = + deconstruct_args(unprefixed_name, this, link_name, abi, args)?; + let mask = compare_strings(this, &str1, &str2, len, imm)?; + + // The sixth bit inside the immediate byte distiguishes + // between a bit mask or a byte mask when generating a mask. + if imm & 0b100_0000 != 0 { + let (array_layout, size) = if imm & USE_WORDS != 0 { + (this.layout_of(Ty::new_array(this.tcx.tcx, this.tcx.types.u16, 8))?, 2) + } else { + (this.layout_of(Ty::new_array(this.tcx.tcx, this.tcx.types.u8, 16))?, 1) + }; + let size = Size::from_bytes(size); + let dest = dest.transmute(array_layout, this)?; + + for i in 0..default_len::(imm) { + let result = helpers::bool_to_simd_element(mask & (1 << i) != 0, size); + this.write_scalar(result, &this.project_index(&dest, i)?)?; + } + } else { + let layout = this.layout_of(this.tcx.types.i128)?; + let dest = dest.transmute(layout, this)?; + this.write_scalar(Scalar::from_i128(i128::from(mask)), &dest)?; + } + } + + // Used to implement the `_mm_cmpestra` and the `_mm_cmpistra` functions. + // These functions compare the input strings and return `1` if the end of the second + // input string is not reached and the resulting mask is zero, and `0` otherwise. + // https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#ig_expand=919,1041 + "pcmpistria128" | "pcmpestria128" => { + let (str1, str2, len, imm) = + deconstruct_args(unprefixed_name, this, link_name, abi, args)?; + let result = if compare_strings(this, &str1, &str2, len, imm)? != 0 { + false + } else if let Some((_, len)) = len { + len >= default_len::(imm) + } else { + implicit_len(this, &str1, imm)?.is_some() + }; + + this.write_scalar(Scalar::from_i32(i32::from(result)), dest)?; + } + + // Used to implement the `_mm_cmpestri` and the `_mm_cmpistri` functions. + // These functions compare the input strings and return the bit index + // for most significant or least significant bit of the resulting mask. + // https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#ig_expand=921,1043 + "pcmpistri128" | "pcmpestri128" => { + let (str1, str2, len, imm) = + deconstruct_args(unprefixed_name, this, link_name, abi, args)?; + let mask = compare_strings(this, &str1, &str2, len, imm)?; + + let len = default_len::(imm); + // The sixth bit inside the immediate byte distiguishes between the least + // significant bit and the most significant bit when generating an index. + let result = if imm & 0b100_0000 != 0 { + // most significant bit + 31u32.wrapping_sub(mask.leading_zeros()).min(len) + } else { + // least significant bit + mask.trailing_zeros().min(len) + }; + this.write_scalar(Scalar::from_i32(i32::try_from(result).unwrap()), dest)?; + } + + // Used to implement the `_mm_cmpestro` and the `_mm_cmpistro` functions. + // These functions compare the input strings and return the lowest bit of the + // resulting mask. + // https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#ig_expand=923,1045 + "pcmpistrio128" | "pcmpestrio128" => { + let (str1, str2, len, imm) = + deconstruct_args(unprefixed_name, this, link_name, abi, args)?; + let mask = compare_strings(this, &str1, &str2, len, imm)?; + this.write_scalar(Scalar::from_i32(mask & 1), dest)?; + } + + // Used to implement the `_mm_cmpestrc` and the `_mm_cmpistrc` functions. + // These functions compare the input strings and return `1` if the resulting + // mask was non-zero, and `0` otherwise. + // https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#ig_expand=920,1042 + "pcmpistric128" | "pcmpestric128" => { + let (str1, str2, len, imm) = + deconstruct_args(unprefixed_name, this, link_name, abi, args)?; + let mask = compare_strings(this, &str1, &str2, len, imm)?; + this.write_scalar(Scalar::from_i32(i32::from(mask != 0)), dest)?; + } + + // Used to implement the `_mm_cmpistrz` and the `_mm_cmpistrs` functions. + // These functions return `1` if the string end has been reached and `0` otherwise. + // Since these functions define the string length implicitly, it is equal to a + // search for a null terminator (see `deconstruct_args` for more details). + // https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#ig_expand=924,925 + "pcmpistriz128" | "pcmpistris128" => { + let [str1, str2, imm] = + this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?; + let imm = this.read_scalar(imm)?.to_u8()?; + + let str = if unprefixed_name == "pcmpistris128" { str1 } else { str2 }; + let array_layout = if imm & USE_WORDS != 0 { + this.layout_of(Ty::new_array(this.tcx.tcx, this.tcx.types.u16, 8))? + } else { + this.layout_of(Ty::new_array(this.tcx.tcx, this.tcx.types.u8, 16))? + }; + let str = str.transmute(array_layout, this)?; + let result = implicit_len(this, &str, imm)?.is_some(); + + this.write_scalar(Scalar::from_i32(i32::from(result)), dest)?; + } + + // Used to implement the `_mm_cmpestrz` and the `_mm_cmpestrs` functions. + // These functions return 1 if the explicitly passed string length is smaller + // than 16 for byte-sized operands or 8 for word-sized operands. + // https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#ig_expand=1046,1047 + "pcmpestriz128" | "pcmpestris128" => { + let [_, len1, _, len2, imm] = + this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?; + let len = if unprefixed_name == "pcmpestris128" { len1 } else { len2 }; + let len = this.read_scalar(len)?.to_i32()?; + let imm = this.read_scalar(imm)?.to_u8()?; + this.write_scalar( + Scalar::from_i32(i32::from(len < default_len::(imm))), + dest, + )?; + } + + // Used to implement the `_mm_crc32_u{8, 16, 32, 64}` functions. + // These functions calculate a 32-bit CRC using `0x11EDC6F41` + // as the polynomial, also known as CRC32C. + // https://datatracker.ietf.org/doc/html/rfc3720#section-12.1 + "crc32.32.8" | "crc32.32.16" | "crc32.32.32" | "crc32.64.64" => { + let bit_size = match unprefixed_name { + "crc32.32.8" => 8, + "crc32.32.16" => 16, + "crc32.32.32" => 32, + "crc32.64.64" => 64, + _ => unreachable!(), + }; + + if bit_size == 64 && this.tcx.sess.target.arch != "x86_64" { + return Ok(EmulateItemResult::NotSupported); + } + + let [left, right] = + this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?; + let left = this.read_scalar(left)?; + let right = this.read_scalar(right)?; + + let crc = if bit_size == 64 { + // The 64-bit version will only consider the lower 32 bits, + // while the upper 32 bits get discarded. + #[allow(clippy::cast_possible_truncation)] + u128::from((left.to_u64()? as u32).reverse_bits()) + } else { + u128::from(left.to_u32()?.reverse_bits()) + }; + let v = match bit_size { + 8 => u128::from(right.to_u8()?.reverse_bits()), + 16 => u128::from(right.to_u16()?.reverse_bits()), + 32 => u128::from(right.to_u32()?.reverse_bits()), + 64 => u128::from(right.to_u64()?.reverse_bits()), + _ => unreachable!(), + }; + + // Perform polynomial division modulo 2. + // The algorithm for the division is an adapted version of the + // schoolbook division algorithm used for normal integer or polynomial + // division. In this context, the quotient is not calculated, since + // only the remainder is needed. + // + // The algorithm works as follows: + // 1. Pull down digits until division can be performed. In the context of division + // modulo 2 it means locating the most significant digit of the dividend and shifting + // the divisor such that the position of the divisors most significand digit and the + // dividends most significand digit match. + // 2. Perform a division and determine the remainder. Since it is arithmetic modulo 2, + // this operation is a simple bitwise exclusive or. + // 3. Repeat steps 1. and 2. until the full remainder is calculated. This is the case + // once the degree of the remainder polynomial is smaller than the degree of the + // divisor polynomial. In other words, the number of leading zeros of the remainder + // is larger than the number of leading zeros of the divisor. It is important to + // note that standard arithmetic comparison is not applicable here: + // 0b10011 / 0b11111 = 0b01100 is a valid division, even though the dividend is + // smaller than the divisor. + let mut dividend = (crc << bit_size) ^ (v << 32); + const POLYNOMIAL: u128 = 0x11EDC6F41; + while dividend.leading_zeros() <= POLYNOMIAL.leading_zeros() { + dividend ^= + (POLYNOMIAL << POLYNOMIAL.leading_zeros()) >> dividend.leading_zeros(); + } + + let result = u32::try_from(dividend).unwrap().reverse_bits(); + let result = if bit_size == 64 { + Scalar::from_u64(u64::from(result)) + } else { + Scalar::from_u32(result) + }; + + this.write_scalar(result, dest)?; + } + _ => return Ok(EmulateItemResult::NotSupported), + } + Ok(EmulateItemResult::NeedsReturn) + } +} diff --git a/src/tools/miri/tests/pass/shims/x86/intrinsics-x86-sse42.rs b/src/tools/miri/tests/pass/shims/x86/intrinsics-x86-sse42.rs new file mode 100644 index 000000000000..586caf4f280c --- /dev/null +++ b/src/tools/miri/tests/pass/shims/x86/intrinsics-x86-sse42.rs @@ -0,0 +1,423 @@ +// Ignore everything except x86 and x86_64 +// Any new targets that are added to CI should be ignored here. +// (We cannot use `cfg`-based tricks here since the `target-feature` flags below only work on x86.) +//@ignore-target-aarch64 +//@ignore-target-arm +//@ignore-target-avr +//@ignore-target-s390x +//@ignore-target-thumbv7em +//@ignore-target-wasm32 +//@compile-flags: -C target-feature=+sse4.2 + +#[cfg(target_arch = "x86")] +use std::arch::x86::*; +#[cfg(target_arch = "x86_64")] +use std::arch::x86_64::*; +use std::mem::transmute; + +fn main() { + assert!(is_x86_feature_detected!("sse4.2")); + + unsafe { + test_sse42(); + } +} + +#[target_feature(enable = "sse4.2")] +unsafe fn test_sse42() { + // Mostly copied from library/stdarch/crates/core_arch/src/x86/sse42.rs + + test_crc(); + test_cmp(); + test_str(); +} + +#[target_feature(enable = "sse4.2")] +unsafe fn test_crc() { + #[target_feature(enable = "sse4.2")] + unsafe fn test_mm_crc32_u8() { + let crc = 0x2aa1e72b; + let v = 0x2a; + let i = _mm_crc32_u8(crc, v); + assert_eq!(i, 0xf24122e4); + + let crc = 0x61343ec4; + let v = 0xef; + let i = _mm_crc32_u8(crc, v); + assert_eq!(i, 0xb95511db); + } + test_mm_crc32_u8(); + + #[target_feature(enable = "sse4.2")] + unsafe fn test_mm_crc32_u16() { + let crc = 0x8ecec3b5; + let v = 0x22b; + let i = _mm_crc32_u16(crc, v); + assert_eq!(i, 0x13bb2fb); + + let crc = 0x150bc664; + let v = 0xa6c0; + let i = _mm_crc32_u16(crc, v); + assert_eq!(i, 0xab04fe4e); + } + test_mm_crc32_u16(); + + #[target_feature(enable = "sse4.2")] + unsafe fn test_mm_crc32_u32() { + let crc = 0xae2912c8; + let v = 0x845fed; + let i = _mm_crc32_u32(crc, v); + assert_eq!(i, 0xffae2ed1); + + let crc = 0x1a198fe3; + let v = 0x885585c2; + let i = _mm_crc32_u32(crc, v); + assert_eq!(i, 0x22443a7b); + } + test_mm_crc32_u32(); + + #[cfg(target_arch = "x86_64")] + #[target_feature(enable = "sse4.2")] + unsafe fn test_mm_crc32_u64() { + let crc = 0x7819dccd3e824; + let v = 0x2a22b845fed; + let i = _mm_crc32_u64(crc, v); + assert_eq!(i, 0xbb6cdc6c); + + let crc = 0x6dd960387fe13819; + let v = 0x1a7ea8fb571746b0; + let i = _mm_crc32_u64(crc, v); + assert_eq!(i, 0x315b4f6); + } + #[cfg(not(target_arch = "x86_64"))] + unsafe fn test_mm_crc32_u64() {} + test_mm_crc32_u64(); +} + +#[target_feature(enable = "sse4.2")] +unsafe fn test_cmp() { + let a = _mm_set_epi64x(0x2a, 0); + let b = _mm_set1_epi64x(0x00); + let i = _mm_cmpgt_epi64(a, b); + assert_eq_m128i(i, _mm_set_epi64x(0xffffffffffffffffu64 as i64, 0x00)); +} + +#[target_feature(enable = "sse4.2")] +unsafe fn test_str() { + #[target_feature(enable = "sse4.2")] + unsafe fn str_to_m128i(s: &[u8]) -> __m128i { + assert!(s.len() <= 16); + let slice = &mut [0u8; 16]; + std::ptr::copy_nonoverlapping(s.as_ptr(), slice.as_mut_ptr(), s.len()); + _mm_loadu_si128(slice.as_ptr() as *const _) + } + + // Test the `_mm_cmpistrm` intrinsic. + #[target_feature(enable = "sse4.2")] + unsafe fn test_mm_cmpistrm() { + let a = str_to_m128i(b"Hello! Good-Bye!"); + let b = str_to_m128i(b"hello! good-bye!"); + let i = _mm_cmpistrm::<_SIDD_UNIT_MASK>(a, b); + #[rustfmt::skip] + let res = _mm_setr_epi8( + 0x00, !0, !0, !0, !0, !0, !0, 0x00, + !0, !0, !0, !0, 0x00, !0, !0, !0, + ); + assert_eq_m128i(i, res); + } + test_mm_cmpistrm(); + + // Test the `_mm_cmpistri` intrinsic. + #[target_feature(enable = "sse4.2")] + unsafe fn test_mm_cmpistri() { + let a = str_to_m128i(b"Hello"); + let b = str_to_m128i(b" Hello "); + let i = _mm_cmpistri::<_SIDD_CMP_EQUAL_ORDERED>(a, b); + assert_eq!(3, i); + } + test_mm_cmpistri(); + + // Test the `_mm_cmpistrz` intrinsic. + #[target_feature(enable = "sse4.2")] + unsafe fn test_mm_cmpistrz() { + let a = str_to_m128i(b""); + let b = str_to_m128i(b"Hello"); + let i = _mm_cmpistrz::<_SIDD_CMP_EQUAL_ORDERED>(a, b); + assert_eq!(1, i); + } + test_mm_cmpistrz(); + + // Test the `_mm_cmpistrc` intrinsic. + #[target_feature(enable = "sse4.2")] + unsafe fn test_mm_cmpistrc() { + let a = str_to_m128i(b" "); + let b = str_to_m128i(b" ! "); + let i = _mm_cmpistrc::<_SIDD_UNIT_MASK>(a, b); + assert_eq!(1, i); + } + test_mm_cmpistrc(); + + // Test the `_mm_cmpistrs` intrinsic. + #[target_feature(enable = "sse4.2")] + unsafe fn test_mm_cmpistrs() { + let a = str_to_m128i(b"Hello"); + let b = str_to_m128i(b""); + let i = _mm_cmpistrs::<_SIDD_CMP_EQUAL_ORDERED>(a, b); + assert_eq!(1, i); + } + test_mm_cmpistrs(); + + // Test the `_mm_cmpistro` intrinsic. + #[target_feature(enable = "sse4.2")] + unsafe fn test_mm_cmpistro() { + #[rustfmt::skip] + let a_bytes = _mm_setr_epi8( + 0x00, 0x47, 0x00, 0x65, 0x00, 0x6c, 0x00, 0x6c, + 0x00, 0x6f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + ); + #[rustfmt::skip] + let b_bytes = _mm_setr_epi8( + 0x00, 0x48, 0x00, 0x65, 0x00, 0x6c, 0x00, 0x6c, + 0x00, 0x6f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + ); + let a = a_bytes; + let b = b_bytes; + let i = _mm_cmpistro::<{ _SIDD_UWORD_OPS | _SIDD_UNIT_MASK }>(a, b); + assert_eq!(0, i); + } + test_mm_cmpistro(); + + // Test the `_mm_cmpistra` intrinsic. + #[target_feature(enable = "sse4.2")] + unsafe fn test_mm_cmpistra() { + let a = str_to_m128i(b""); + let b = str_to_m128i(b"Hello!!!!!!!!!!!"); + let i = _mm_cmpistra::<_SIDD_UNIT_MASK>(a, b); + assert_eq!(1, i); + } + test_mm_cmpistra(); + + // Test the `_mm_cmpestrm` intrinsic. + #[target_feature(enable = "sse4.2")] + unsafe fn test_mm_cmpestrm() { + let a = str_to_m128i(b"Hello!"); + let b = str_to_m128i(b"Hello."); + let i = _mm_cmpestrm::<_SIDD_UNIT_MASK>(a, 5, b, 5); + #[rustfmt::skip] + let r = _mm_setr_epi8( + !0, !0, !0, !0, !0, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + ); + assert_eq_m128i(i, r); + } + test_mm_cmpestrm(); + + // Test the `_mm_cmpestri` intrinsic. + #[target_feature(enable = "sse4.2")] + unsafe fn test_mm_cmpestri() { + let a = str_to_m128i(b"bar - garbage"); + let b = str_to_m128i(b"foobar"); + let i = _mm_cmpestri::<_SIDD_CMP_EQUAL_ORDERED>(a, 3, b, 6); + assert_eq!(3, i); + } + test_mm_cmpestri(); + + // Test the `_mm_cmpestrz` intrinsic. + #[target_feature(enable = "sse4.2")] + unsafe fn test_mm_cmpestrz() { + let a = str_to_m128i(b""); + let b = str_to_m128i(b"Hello"); + let i = _mm_cmpestrz::<_SIDD_CMP_EQUAL_ORDERED>(a, 16, b, 6); + assert_eq!(1, i); + } + test_mm_cmpestrz(); + + // Test the `_mm_cmpestrs` intrinsic. + #[target_feature(enable = "sse4.2")] + unsafe fn test_mm_cmpestrc() { + let va = str_to_m128i(b"!!!!!!!!"); + let vb = str_to_m128i(b" "); + let i = _mm_cmpestrc::<_SIDD_UNIT_MASK>(va, 7, vb, 7); + assert_eq!(0, i); + } + test_mm_cmpestrc(); + + // Test the `_mm_cmpestrs` intrinsic. + #[target_feature(enable = "sse4.2")] + unsafe fn test_mm_cmpestrs() { + #[rustfmt::skip] + let a_bytes = _mm_setr_epi8( + 0x00, 0x48, 0x00, 0x65, 0x00, 0x6c, 0x00, 0x6c, + 0x00, 0x6f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + ); + let a = a_bytes; + let b = _mm_set1_epi8(0x00); + let i = _mm_cmpestrs::<_SIDD_UWORD_OPS>(a, 8, b, 0); + assert_eq!(0, i); + } + test_mm_cmpestrs(); + + // Test the `_mm_cmpestro` intrinsic. + #[target_feature(enable = "sse4.2")] + unsafe fn test_mm_cmpestro() { + let a = str_to_m128i(b"Hello"); + let b = str_to_m128i(b"World"); + let i = _mm_cmpestro::<_SIDD_UBYTE_OPS>(a, 5, b, 5); + assert_eq!(0, i); + } + test_mm_cmpestro(); + + // Test the `_mm_cmpestra` intrinsic. + #[target_feature(enable = "sse4.2")] + unsafe fn test_mm_cmpestra() { + let a = str_to_m128i(b"Cannot match a"); + let b = str_to_m128i(b"Null after 14"); + let i = _mm_cmpestra::<{ _SIDD_CMP_EQUAL_EACH | _SIDD_UNIT_MASK }>(a, 14, b, 16); + assert_eq!(1, i); + } + test_mm_cmpestra(); + + // Additional tests not inside the standard library. + + // Test the subset functionality of the intrinsic. + unsafe fn test_subset() { + let a = str_to_m128i(b"ABCDEFG"); + let b = str_to_m128i(b"ABC UVW XYZ EFG"); + + let i = _mm_cmpistrm::<{ _SIDD_CMP_EQUAL_ANY | _SIDD_UNIT_MASK }>(a, b); + #[rustfmt::skip] + let res = _mm_setr_epi8( + !0, !0, !0, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, !0, !0, !0, 0x00, + ); + assert_eq_m128i(i, res); + } + test_subset(); + + // Properly test index generation. + unsafe fn test_index() { + let a = str_to_m128i(b"Hello"); + let b = str_to_m128i(b"Hello Hello H"); + + let i = _mm_cmpistri::<{ _SIDD_CMP_EQUAL_EACH | _SIDD_LEAST_SIGNIFICANT }>(a, b); + assert_eq!(i, 0); + + let i = _mm_cmpistri::<{ _SIDD_CMP_EQUAL_EACH | _SIDD_MOST_SIGNIFICANT }>(a, b); + assert_eq!(i, 15); + + let a = str_to_m128i(b"Hello"); + let b = str_to_m128i(b" "); + let i = _mm_cmpistri::<{ _SIDD_CMP_EQUAL_EACH | _SIDD_MOST_SIGNIFICANT }>(a, b); + assert_eq!(i, 16); + } + test_index(); + + // Properly test the substring functionality of the intrinsics. + #[target_feature(enable = "sse4.2")] + unsafe fn test_substring() { + let a = str_to_m128i(b"Hello"); + let b = str_to_m128i(b"Hello Hello H"); + + let i = _mm_cmpistrm::<{ _SIDD_CMP_EQUAL_ORDERED | _SIDD_UNIT_MASK }>(a, b); + #[rustfmt::skip] + let res = _mm_setr_epi8( + !0, 0x00, 0x00, 0x00, 0x00, 0x00, !0, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + ); + assert_eq_m128i(i, res); + } + test_substring(); + + // Test the range functionality of the intrinsics. + // Will also test signed values and word-sized values. + #[target_feature(enable = "sse4.2")] + unsafe fn test_ranges() { + let a = _mm_setr_epi16(0, 1, 7, 8, 0, 0, -100, 100); + let b = _mm_setr_epi16(1, 2, 3, 4, 5, 6, 7, 8); + + let i = + _mm_cmpestrm::<{ _SIDD_SWORD_OPS | _SIDD_CMP_RANGES | _SIDD_UNIT_MASK }>(a, 2, b, 8); + let res = _mm_setr_epi16(!0, 0, 0, 0, 0, 0, 0, 0); + assert_eq_m128i(i, res); + + let i = + _mm_cmpestrm::<{ _SIDD_SWORD_OPS | _SIDD_CMP_RANGES | _SIDD_UNIT_MASK }>(a, 3, b, 8); + let res = _mm_setr_epi16(!0, 0, 0, 0, 0, 0, 0, 0); + assert_eq_m128i(i, res); + + let i = + _mm_cmpestrm::<{ _SIDD_SWORD_OPS | _SIDD_CMP_RANGES | _SIDD_UNIT_MASK }>(a, 4, b, 8); + let res = _mm_setr_epi16(!0, 0, 0, 0, 0, 0, !0, !0); + assert_eq_m128i(i, res); + + let i = + _mm_cmpestrm::<{ _SIDD_SWORD_OPS | _SIDD_CMP_RANGES | _SIDD_UNIT_MASK }>(a, 6, b, 8); + let res = _mm_setr_epi16(!0, 0, 0, 0, 0, 0, !0, !0); + assert_eq_m128i(i, res); + + let i = + _mm_cmpestrm::<{ _SIDD_SWORD_OPS | _SIDD_CMP_RANGES | _SIDD_UNIT_MASK }>(a, 8, b, 8); + let res = _mm_setr_epi16(!0, !0, !0, !0, !0, !0, !0, !0); + assert_eq_m128i(i, res); + } + test_ranges(); + + // Confirm that the polarity bits work as indended. + #[target_feature(enable = "sse4.2")] + unsafe fn test_polarity() { + let a = str_to_m128i(b"Hello!"); + let b = str_to_m128i(b"hello?"); + + let i = _mm_cmpistrm::< + { (_SIDD_MASKED_NEGATIVE_POLARITY ^ _SIDD_NEGATIVE_POLARITY) | _SIDD_UNIT_MASK }, + >(a, b); + #[rustfmt::skip] + let res = _mm_setr_epi8( + 0x00, !0, !0, !0, !0, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + ); + assert_eq_m128i(i, res); + + let i = _mm_cmpistrm::<{ _SIDD_MASKED_NEGATIVE_POLARITY | _SIDD_UNIT_MASK }>(a, b); + #[rustfmt::skip] + let res = _mm_setr_epi8( + !0, 0x00, 0x00, 0x00, 0x00, !0, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + ); + assert_eq_m128i(i, res); + + let i = _mm_cmpistrm::<{ _SIDD_NEGATIVE_POLARITY | _SIDD_UNIT_MASK }>(a, b); + #[rustfmt::skip] + let res = _mm_setr_epi8( + !0, 0x00, 0x00, 0x00, 0x00, !0, !0, !0, + !0, !0, !0, !0, !0, !0, !0, !0, + ); + assert_eq_m128i(i, res); + } + test_polarity(); + + // Test the code path in which the intrinsic is supposed to + // return a bit mask instead of a byte mask. + #[target_feature(enable = "sse4.2")] + unsafe fn test_bitmask() { + let a = str_to_m128i(b"Hello! Good-Bye!"); + let b = str_to_m128i(b"hello! good-bye!"); + + let i = _mm_cmpistrm::<0>(a, b); + #[rustfmt::skip] + let res = _mm_setr_epi32(0b11101111_01111110, 0, 0, 0); + assert_eq_m128i(i, res); + + let i = _mm_cmpistrm::<_SIDD_MASKED_NEGATIVE_POLARITY>(a, b); + #[rustfmt::skip] + let res = _mm_setr_epi32(0b00010000_10000001, 0, 0, 0); + assert_eq_m128i(i, res); + } + test_bitmask(); +} + +#[track_caller] +#[target_feature(enable = "sse2")] +pub unsafe fn assert_eq_m128i(a: __m128i, b: __m128i) { + assert_eq!(transmute::<_, [u64; 2]>(a), transmute::<_, [u64; 2]>(b)) +} From 0cd41b9f23029912cef7be30161c78511d87c6fa Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Thu, 13 Jun 2024 20:17:10 +0200 Subject: [PATCH 1513/1716] add some more CRC tests --- .../pass/shims/x86/intrinsics-x86-sse42.rs | 20 +++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/src/tools/miri/tests/pass/shims/x86/intrinsics-x86-sse42.rs b/src/tools/miri/tests/pass/shims/x86/intrinsics-x86-sse42.rs index 586caf4f280c..3ac53ea8b933 100644 --- a/src/tools/miri/tests/pass/shims/x86/intrinsics-x86-sse42.rs +++ b/src/tools/miri/tests/pass/shims/x86/intrinsics-x86-sse42.rs @@ -45,6 +45,11 @@ unsafe fn test_crc() { let v = 0xef; let i = _mm_crc32_u8(crc, v); assert_eq!(i, 0xb95511db); + + let crc = 0xbadeafe; + let v = 0xc0; + let i = _mm_crc32_u8(crc, v); + assert_eq!(i, 0x9c905b7c); } test_mm_crc32_u8(); @@ -59,6 +64,11 @@ unsafe fn test_crc() { let v = 0xa6c0; let i = _mm_crc32_u16(crc, v); assert_eq!(i, 0xab04fe4e); + + let crc = 0xbadeafe; + let v = 0xc0fe; + let i = _mm_crc32_u16(crc, v); + assert_eq!(i, 0x4b5fad4b); } test_mm_crc32_u16(); @@ -73,6 +83,11 @@ unsafe fn test_crc() { let v = 0x885585c2; let i = _mm_crc32_u32(crc, v); assert_eq!(i, 0x22443a7b); + + let crc = 0xbadeafe; + let v = 0xc0febeef; + let i = _mm_crc32_u32(crc, v); + assert_eq!(i, 0xb309502f); } test_mm_crc32_u32(); @@ -88,6 +103,11 @@ unsafe fn test_crc() { let v = 0x1a7ea8fb571746b0; let i = _mm_crc32_u64(crc, v); assert_eq!(i, 0x315b4f6); + + let crc = 0xbadeafe; + let v = 0xc0febeefdadafefe; + let i = _mm_crc32_u64(crc, v); + assert_eq!(i, 0x5b44f54f); } #[cfg(not(target_arch = "x86_64"))] unsafe fn test_mm_crc32_u64() {} From 43453793692646a62576dcb034d8eaa26f8a58f0 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Thu, 13 Jun 2024 17:51:54 +0200 Subject: [PATCH 1514/1716] cargo miri: add support for '--many-seeds' to run the program / tests many times with different seeds --- src/tools/miri/cargo-miri/src/phases.rs | 196 ++++++++++++++---------- src/tools/miri/cargo-miri/src/util.rs | 36 ++++- src/tools/miri/miri-script/src/main.rs | 7 +- 3 files changed, 153 insertions(+), 86 deletions(-) diff --git a/src/tools/miri/cargo-miri/src/phases.rs b/src/tools/miri/cargo-miri/src/phases.rs index e2fc2a0c2779..6773cff89abf 100644 --- a/src/tools/miri/cargo-miri/src/phases.rs +++ b/src/tools/miri/cargo-miri/src/phases.rs @@ -1,10 +1,10 @@ //! Implements the various phases of `cargo miri run/test`. -use std::env; use std::fs::{self, File}; -use std::io::BufReader; +use std::io::{BufReader, Write}; use std::path::{Path, PathBuf}; use std::process::Command; +use std::{env, thread}; use rustc_version::VersionMeta; @@ -119,7 +119,7 @@ pub fn phase_cargo_miri(mut args: impl Iterator) { // describes an alternative // approach that uses `cargo check`, making that part easier but target and binary handling // harder. - let cargo_miri_path = std::env::current_exe() + let cargo_miri_path = env::current_exe() .expect("current executable path invalid") .into_os_string() .into_string() @@ -163,14 +163,22 @@ pub fn phase_cargo_miri(mut args: impl Iterator) { let target_dir = get_target_dir(&metadata); cmd.arg("--target-dir").arg(target_dir); + // Store many-seeds argument. + let mut many_seeds = None; // *After* we set all the flags that need setting, forward everything else. Make sure to skip - // `--target-dir` (which would otherwise be set twice). + // `--target-dir` (which would otherwise be set twice) and `--many-seeds` (which is our flag, not cargo's). for arg in ArgSplitFlagValue::from_string_iter(&mut args, "--target-dir").filter_map(Result::err) { - cmd.arg(arg); + if arg == "--many-seeds" { + many_seeds = Some(format!("0..256")); + } else if let Some(val) = arg.strip_prefix("--many-seeds=") { + many_seeds = Some(val.to_owned()); + } else { + cmd.arg(arg); + } } - // Forward all further arguments (not consumed by `ArgSplitFlagValue`) to cargo. + // Forward all further arguments after `--` (not consumed by `ArgSplitFlagValue`) to cargo. cmd.args(args); // Set `RUSTC_WRAPPER` to ourselves. Cargo will prepend that binary to its usual invocation, @@ -222,6 +230,9 @@ pub fn phase_cargo_miri(mut args: impl Iterator) { // Forward some crucial information to our own re-invocations. cmd.env("MIRI_SYSROOT", miri_sysroot); cmd.env("MIRI_LOCAL_CRATES", local_crates(&metadata)); + if let Some(many_seeds) = many_seeds { + cmd.env("MIRI_MANY_SEEDS", many_seeds); + } if verbose > 0 { cmd.env("MIRI_VERBOSE", verbose.to_string()); // This makes the other phases verbose. } @@ -309,7 +320,7 @@ pub fn phase_rustc(mut args: impl Iterator, phase: RustcPhase) { } } - let verbose = std::env::var("MIRI_VERBOSE") + let verbose = env::var("MIRI_VERBOSE") .map_or(0, |verbose| verbose.parse().expect("verbosity flag must be an integer")); let target_crate = is_target_crate(); @@ -489,7 +500,7 @@ pub fn phase_rustc(mut args: impl Iterator, phase: RustcPhase) { // This is a host crate. // When we're running `cargo-miri` from `x.py` we need to pass the sysroot explicitly // due to bootstrap complications. - if let Some(sysroot) = std::env::var_os("MIRI_HOST_SYSROOT") { + if let Some(sysroot) = env::var_os("MIRI_HOST_SYSROOT") { cmd.arg("--sysroot").arg(sysroot); } @@ -532,7 +543,7 @@ pub enum RunnerPhase { } pub fn phase_runner(mut binary_args: impl Iterator, phase: RunnerPhase) { - let verbose = std::env::var("MIRI_VERBOSE") + let verbose = env::var("MIRI_VERBOSE") .map_or(0, |verbose| verbose.parse().expect("verbosity flag must be an integer")); let binary = binary_args.next().unwrap(); @@ -541,6 +552,7 @@ pub fn phase_runner(mut binary_args: impl Iterator, phase: Runner "file {:?} not found or `cargo-miri` invoked incorrectly; please only invoke this binary through `cargo miri`", binary )); let file = BufReader::new(file); + let binary_args = binary_args.collect::>(); let info = serde_json::from_reader(file).unwrap_or_else(|_| { show_error!("file {:?} contains outdated or invalid JSON; try `cargo clean`", binary) @@ -555,84 +567,114 @@ pub fn phase_runner(mut binary_args: impl Iterator, phase: Runner } }; - let mut cmd = miri(); + let many_seeds = env::var("MIRI_MANY_SEEDS"); + run_many_seeds(many_seeds.ok(), |seed| { + let mut cmd = miri(); - // Set missing env vars. We prefer build-time env vars over run-time ones; see - // for the kind of issue that fixes. - for (name, val) in info.env { - // `CARGO_MAKEFLAGS` contains information about how to reach the jobserver, but by the time - // the program is being run, that jobserver no longer exists (cargo only runs the jobserver - // for the build portion of `cargo run`/`cargo test`). Hence we shouldn't forward this. - // Also see . - if name == "CARGO_MAKEFLAGS" { - continue; - } - if let Some(old_val) = env::var_os(&name) { - if old_val == val { - // This one did not actually change, no need to re-set it. - // (This keeps the `debug_cmd` below more manageable.) + // Set missing env vars. We prefer build-time env vars over run-time ones; see + // for the kind of issue that fixes. + for (name, val) in &info.env { + // `CARGO_MAKEFLAGS` contains information about how to reach the jobserver, but by the time + // the program is being run, that jobserver no longer exists (cargo only runs the jobserver + // for the build portion of `cargo run`/`cargo test`). Hence we shouldn't forward this. + // Also see . + if name == "CARGO_MAKEFLAGS" { continue; - } else if verbose > 0 { - eprintln!( - "[cargo-miri runner] Overwriting run-time env var {name:?}={old_val:?} with build-time value {val:?}" - ); + } + if let Some(old_val) = env::var_os(name) { + if *old_val == *val { + // This one did not actually change, no need to re-set it. + // (This keeps the `debug_cmd` below more manageable.) + continue; + } else if verbose > 0 { + eprintln!( + "[cargo-miri runner] Overwriting run-time env var {name:?}={old_val:?} with build-time value {val:?}" + ); + } + } + cmd.env(name, val); + } + + if phase != RunnerPhase::Rustdoc { + // Set the sysroot. Not necessary in rustdoc, where we already set the sysroot in + // `phase_rustdoc`. rustdoc will forward that flag when invoking rustc (i.e., us), so the + // flag is present in `info.args`. + cmd.arg("--sysroot").arg(env::var_os("MIRI_SYSROOT").unwrap()); + } + // Forward rustc arguments. + // We need to patch "--extern" filenames because we forced a check-only + // build without cargo knowing about that: replace `.rlib` suffix by + // `.rmeta`. + // We also need to remove `--error-format` as cargo specifies that to be JSON, + // but when we run here, cargo does not interpret the JSON any more. `--json` + // then also needs to be dropped. + let mut args = info.args.iter(); + while let Some(arg) = args.next() { + if arg == "--extern" { + forward_patched_extern_arg(&mut (&mut args).cloned(), &mut cmd); + } else if let Some(suffix) = arg.strip_prefix("--error-format") { + assert!(suffix.starts_with('=')); + // Drop this argument. + } else if let Some(suffix) = arg.strip_prefix("--json") { + assert!(suffix.starts_with('=')); + // Drop this argument. + } else { + cmd.arg(arg); } } - cmd.env(name, val); - } - - if phase != RunnerPhase::Rustdoc { - // Set the sysroot. Not necessary in rustdoc, where we already set the sysroot in - // `phase_rustdoc`. rustdoc will forward that flag when invoking rustc (i.e., us), so the - // flag is present in `info.args`. - cmd.arg("--sysroot").arg(env::var_os("MIRI_SYSROOT").unwrap()); - } - // Forward rustc arguments. - // We need to patch "--extern" filenames because we forced a check-only - // build without cargo knowing about that: replace `.rlib` suffix by - // `.rmeta`. - // We also need to remove `--error-format` as cargo specifies that to be JSON, - // but when we run here, cargo does not interpret the JSON any more. `--json` - // then also needs to be dropped. - let mut args = info.args.into_iter(); - while let Some(arg) = args.next() { - if arg == "--extern" { - forward_patched_extern_arg(&mut args, &mut cmd); - } else if let Some(suffix) = arg.strip_prefix("--error-format") { - assert!(suffix.starts_with('=')); - // Drop this argument. - } else if let Some(suffix) = arg.strip_prefix("--json") { - assert!(suffix.starts_with('=')); - // Drop this argument. - } else { - cmd.arg(arg); + // Respect `MIRIFLAGS`. + if let Ok(a) = env::var("MIRIFLAGS") { + let args = flagsplit(&a); + cmd.args(args); + } + // Set the current seed. + if let Some(seed) = seed { + eprintln!("Trying seed: {seed}"); + cmd.arg(format!("-Zmiri-seed={seed}")); } - } - // Respect `MIRIFLAGS`. - if let Ok(a) = env::var("MIRIFLAGS") { - let args = flagsplit(&a); - cmd.args(args); - } - // Then pass binary arguments. - cmd.arg("--"); - cmd.args(binary_args); + // Then pass binary arguments. + cmd.arg("--"); + cmd.args(&binary_args); - // Make sure we use the build-time working directory for interpreting Miri/rustc arguments. - // But then we need to switch to the run-time one, which we instruct Miri to do by setting `MIRI_CWD`. - cmd.current_dir(info.current_dir); - cmd.env("MIRI_CWD", env::current_dir().unwrap()); + // Make sure we use the build-time working directory for interpreting Miri/rustc arguments. + // But then we need to switch to the run-time one, which we instruct Miri to do by setting `MIRI_CWD`. + cmd.current_dir(&info.current_dir); + cmd.env("MIRI_CWD", env::current_dir().unwrap()); - // Run it. - debug_cmd("[cargo-miri runner]", verbose, &cmd); - match phase { - RunnerPhase::Rustdoc => exec_with_pipe(cmd, &info.stdin, format!("{binary}.stdin")), - RunnerPhase::Cargo => exec(cmd), - } + // Run it. + debug_cmd("[cargo-miri runner]", verbose, &cmd); + + match phase { + RunnerPhase::Rustdoc => { + cmd.stdin(std::process::Stdio::piped()); + let mut child = cmd.spawn().expect("failed to spawn process"); + let child_stdin = child.stdin.take().unwrap(); + // Write stdin in a background thread, as it may block. + let exit_status = thread::scope(|s| { + s.spawn(|| { + let mut child_stdin = child_stdin; + // Ignore failure, it is most likely due to the process having terminated. + let _ = child_stdin.write_all(&info.stdin); + }); + child.wait().expect("failed to run command") + }); + if !exit_status.success() { + std::process::exit(exit_status.code().unwrap_or(-1)); + } + } + RunnerPhase::Cargo => { + let exit_status = cmd.status().expect("failed to run command"); + if !exit_status.success() { + std::process::exit(exit_status.code().unwrap_or(-1)); + } + } + } + }); } pub fn phase_rustdoc(mut args: impl Iterator) { - let verbose = std::env::var("MIRI_VERBOSE") + let verbose = env::var("MIRI_VERBOSE") .map_or(0, |verbose| verbose.parse().expect("verbosity flag must be an integer")); // phase_cargo_miri sets the RUSTDOC env var to ourselves, and puts a backup @@ -681,7 +723,7 @@ pub fn phase_rustdoc(mut args: impl Iterator) { cmd.arg("--cfg").arg("miri"); // Make rustdoc call us back. - let cargo_miri_path = std::env::current_exe().expect("current executable path invalid"); + let cargo_miri_path = env::current_exe().expect("current executable path invalid"); cmd.arg("--test-builder").arg(&cargo_miri_path); // invoked by forwarding most arguments cmd.arg("--runtool").arg(&cargo_miri_path); // invoked with just a single path argument diff --git a/src/tools/miri/cargo-miri/src/util.rs b/src/tools/miri/cargo-miri/src/util.rs index f36cff1f7981..5f2794e2244f 100644 --- a/src/tools/miri/cargo-miri/src/util.rs +++ b/src/tools/miri/cargo-miri/src/util.rs @@ -171,11 +171,16 @@ where drop(path); // We don't need the path, we can pipe the bytes directly cmd.stdin(std::process::Stdio::piped()); let mut child = cmd.spawn().expect("failed to spawn process"); - { - let stdin = child.stdin.as_mut().expect("failed to open stdin"); - stdin.write_all(input).expect("failed to write out test source"); - } - let exit_status = child.wait().expect("failed to run command"); + let child_stdin = child.stdin.take().unwrap(); + // Write stdin in a background thread, as it may block. + let exit_status = std::thread::scope(|s| { + s.spawn(|| { + let mut child_stdin = child_stdin; + // Ignore failure, it is most likely due to the process having terminated. + let _ = child_stdin.write_all(input); + }); + child.wait().expect("failed to run command") + }); std::process::exit(exit_status.code().unwrap_or(-1)) } } @@ -317,3 +322,24 @@ pub fn clean_target_dir(meta: &Metadata) { remove_dir_all_idem(&target_dir).unwrap_or_else(|err| show_error!("{}", err)) } + +/// Run `f` according to the many-seeds argument. In single-seed mode, `f` will only +/// be called once, with `None`. +pub fn run_many_seeds(many_seeds: Option, f: impl Fn(Option)) { + let Some(many_seeds) = many_seeds else { + return f(None); + }; + let (from, to) = many_seeds + .split_once("..") + .unwrap_or_else(|| show_error!("invalid format for `--many-seeds`: expected `from..to`")); + let from: u32 = if from.is_empty() { + 0 + } else { + from.parse().unwrap_or_else(|_| show_error!("invalid `from` in `--many-seeds=from..to")) + }; + let to: u32 = + to.parse().unwrap_or_else(|_| show_error!("invalid `to` in `--many-seeds=from..to")); + for seed in from..to { + f(Some(seed)); + } +} diff --git a/src/tools/miri/miri-script/src/main.rs b/src/tools/miri/miri-script/src/main.rs index d436ef0c5aaa..f4448146c55c 100644 --- a/src/tools/miri/miri-script/src/main.rs +++ b/src/tools/miri/miri-script/src/main.rs @@ -182,15 +182,14 @@ fn main() -> Result<()> { verbose = true; } else if let Some(val) = args.get_long_opt_with_default("many-seeds", "0..256")? { let (from, to) = val.split_once("..").ok_or_else(|| { - anyhow!("invalid format for `--many-seeds-range`: expected `from..to`") + anyhow!("invalid format for `--many-seeds`: expected `from..to`") })?; let from: u32 = if from.is_empty() { 0 } else { - from.parse().context("invalid `from` in `--many-seeds-range=from..to")? + from.parse().context("invalid `from` in `--many-seeds=from..to")? }; - let to: u32 = - to.parse().context("invalid `to` in `--many-seeds-range=from..to")?; + let to: u32 = to.parse().context("invalid `to` in `--many-seeds=from..to")?; many_seeds = Some(from..to); } else if let Some(val) = args.get_long_opt("target")? { target = Some(val); From cfcea21074f922aa2fd184751842513e574b2e37 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Thu, 13 Jun 2024 20:02:02 +0200 Subject: [PATCH 1515/1716] document --many-seeds; set the default range to 0..64 --- src/tools/miri/README.md | 32 ++++++++++++------------- src/tools/miri/cargo-miri/src/phases.rs | 4 +++- src/tools/miri/miri-script/src/main.rs | 4 ++-- 3 files changed, 20 insertions(+), 20 deletions(-) diff --git a/src/tools/miri/README.md b/src/tools/miri/README.md index c437619a76ea..4b4f2f83062f 100644 --- a/src/tools/miri/README.md +++ b/src/tools/miri/README.md @@ -151,6 +151,21 @@ platform. For example `cargo miri test --target s390x-unknown-linux-gnu` will run your test suite on a big-endian target, which is useful for testing endian-sensitive code. +### Testing multiple different executions + +Certain parts of the execution are picked randomly by Miri, such as the exact base address +allocations are stored at and the interleaving of concurrently executing threads. Sometimes, it can +be useful to explore multiple different execution, e.g. to make sure that your code does not depend +on incidental "super-alignment" of new allocations and to test different thread interleavings. +This can be done with the `--many-seeds` flag: + +``` +cargo miri test --many-seeds # tries the seeds in 0..64 +cargo miri test --many-seeds=0..16 +``` + +The default of 64 different seeds is quite slow, so you probably want to specify a smaller range. + ### Running Miri on CI When running Miri on CI, use the following snippet to install a nightly toolchain with the Miri @@ -183,23 +198,6 @@ Here is an example job for GitHub Actions: The explicit `cargo miri setup` helps to keep the output of the actual test step clean. -### Testing for alignment issues - -Miri can sometimes miss misaligned accesses since allocations can "happen to be" -aligned just right. You can use `-Zmiri-symbolic-alignment-check` to definitely -catch all such issues, but that flag will also cause false positives when code -does manual pointer arithmetic to account for alignment. Another alternative is -to call Miri with various values for `-Zmiri-seed`; that will alter the -randomness that is used to determine allocation base addresses. The following -snippet calls Miri in a loop with different values for the seed: - -``` -for SEED in $(seq 0 255); do - echo "Trying seed: $SEED" - MIRIFLAGS=-Zmiri-seed=$SEED cargo miri test || { echo "Failing seed: $SEED"; break; }; -done -``` - ### Supported targets Miri does not support all targets supported by Rust. The good news, however, is diff --git a/src/tools/miri/cargo-miri/src/phases.rs b/src/tools/miri/cargo-miri/src/phases.rs index 6773cff89abf..3c36f606d845 100644 --- a/src/tools/miri/cargo-miri/src/phases.rs +++ b/src/tools/miri/cargo-miri/src/phases.rs @@ -34,6 +34,8 @@ Examples: "; +const DEFAULT_MANY_SEEDS: &str = "0..64"; + fn show_help() { println!("{CARGO_MIRI_HELP}"); } @@ -171,7 +173,7 @@ pub fn phase_cargo_miri(mut args: impl Iterator) { ArgSplitFlagValue::from_string_iter(&mut args, "--target-dir").filter_map(Result::err) { if arg == "--many-seeds" { - many_seeds = Some(format!("0..256")); + many_seeds = Some(DEFAULT_MANY_SEEDS.to_owned()); } else if let Some(val) = arg.strip_prefix("--many-seeds=") { many_seeds = Some(val.to_owned()); } else { diff --git a/src/tools/miri/miri-script/src/main.rs b/src/tools/miri/miri-script/src/main.rs index f4448146c55c..c4f0d808d93e 100644 --- a/src/tools/miri/miri-script/src/main.rs +++ b/src/tools/miri/miri-script/src/main.rs @@ -98,7 +98,7 @@ Build miri, set up a sysroot and then run the test suite. Build miri, set up a sysroot and then run the driver with the given . (Also respects MIRIFLAGS environment variable.) If `--many-seeds` is present, Miri is run many times in parallel with different seeds. -The range defaults to `0..256`. +The range defaults to `0..64`. ./miri fmt : Format all sources and tests. are passed to `rustfmt`. @@ -180,7 +180,7 @@ fn main() -> Result<()> { dep = true; } else if args.get_long_flag("verbose")? || args.get_short_flag('v')? { verbose = true; - } else if let Some(val) = args.get_long_opt_with_default("many-seeds", "0..256")? { + } else if let Some(val) = args.get_long_opt_with_default("many-seeds", "0..64")? { let (from, to) = val.split_once("..").ok_or_else(|| { anyhow!("invalid format for `--many-seeds`: expected `from..to`") })?; From b316033dd812f138b069b957cba443047cd71c3d Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Thu, 13 Jun 2024 11:15:55 +0200 Subject: [PATCH 1516/1716] rename CompileTimeInterpreter -> CompileTimeMachine, CompileTimeEvalContext -> CompileTimeInterpCx to match the terms used in the shared interpreter infrastructure --- .../rustc_const_eval/src/const_eval/error.rs | 4 ++-- .../src/const_eval/eval_queries.rs | 22 +++++++++---------- .../src/const_eval/machine.rs | 12 +++++----- .../src/const_eval/valtrees.rs | 16 +++++++------- .../rustc_const_eval/src/interpret/intern.rs | 2 +- .../rustc_const_eval/src/interpret/util.rs | 6 ++--- .../src/util/caller_location.rs | 4 ++-- .../src/util/check_validity_requirement.rs | 4 ++-- 8 files changed, 35 insertions(+), 35 deletions(-) diff --git a/compiler/rustc_const_eval/src/const_eval/error.rs b/compiler/rustc_const_eval/src/const_eval/error.rs index 923b9ddf9afb..94f4ae2556de 100644 --- a/compiler/rustc_const_eval/src/const_eval/error.rs +++ b/compiler/rustc_const_eval/src/const_eval/error.rs @@ -9,7 +9,7 @@ use rustc_middle::ty::TyCtxt; use rustc_middle::ty::{layout::LayoutError, ConstInt}; use rustc_span::{Span, Symbol}; -use super::CompileTimeInterpreter; +use super::CompileTimeMachine; use crate::errors::{self, FrameNote, ReportErrorExt}; use crate::interpret::{err_inval, err_machine_stop}; use crate::interpret::{ErrorHandled, Frame, InterpError, InterpErrorInfo, MachineStopType}; @@ -160,7 +160,7 @@ where // Even if this is unused, please don't remove it -- chances are we will need to emit a lint during const-eval again in the future! pub(super) fn lint<'tcx, L>( tcx: TyCtxtAt<'tcx>, - machine: &CompileTimeInterpreter<'tcx>, + machine: &CompileTimeMachine<'tcx>, lint: &'static rustc_session::lint::Lint, decorator: impl FnOnce(Vec) -> L, ) where diff --git a/compiler/rustc_const_eval/src/const_eval/eval_queries.rs b/compiler/rustc_const_eval/src/const_eval/eval_queries.rs index 36f468d3308a..88a1503ee89c 100644 --- a/compiler/rustc_const_eval/src/const_eval/eval_queries.rs +++ b/compiler/rustc_const_eval/src/const_eval/eval_queries.rs @@ -17,7 +17,7 @@ use rustc_span::def_id::LocalDefId; use rustc_span::{Span, DUMMY_SP}; use rustc_target::abi::{self, Abi}; -use super::{CanAccessMutGlobal, CompileTimeEvalContext, CompileTimeInterpreter}; +use super::{CanAccessMutGlobal, CompileTimeInterpCx, CompileTimeMachine}; use crate::const_eval::CheckAlignment; use crate::errors::ConstEvalError; use crate::errors::{self, DanglingPtrInFinal}; @@ -32,7 +32,7 @@ use crate::CTRL_C_RECEIVED; // Returns a pointer to where the result lives #[instrument(level = "trace", skip(ecx, body))] fn eval_body_using_ecx<'tcx, R: InterpretationResult<'tcx>>( - ecx: &mut CompileTimeEvalContext<'tcx>, + ecx: &mut CompileTimeInterpCx<'tcx>, cid: GlobalId<'tcx>, body: &'tcx mir::Body<'tcx>, ) -> InterpResult<'tcx, R> { @@ -139,13 +139,13 @@ pub(crate) fn mk_eval_cx_to_read_const_val<'tcx>( root_span: Span, param_env: ty::ParamEnv<'tcx>, can_access_mut_global: CanAccessMutGlobal, -) -> CompileTimeEvalContext<'tcx> { +) -> CompileTimeInterpCx<'tcx> { debug!("mk_eval_cx: {:?}", param_env); InterpCx::new( tcx, root_span, param_env, - CompileTimeInterpreter::new(can_access_mut_global, CheckAlignment::No), + CompileTimeMachine::new(can_access_mut_global, CheckAlignment::No), ) } @@ -156,7 +156,7 @@ pub fn mk_eval_cx_for_const_val<'tcx>( param_env: ty::ParamEnv<'tcx>, val: mir::ConstValue<'tcx>, ty: Ty<'tcx>, -) -> Option<(CompileTimeEvalContext<'tcx>, OpTy<'tcx>)> { +) -> Option<(CompileTimeInterpCx<'tcx>, OpTy<'tcx>)> { let ecx = mk_eval_cx_to_read_const_val(tcx.tcx, tcx.span, param_env, CanAccessMutGlobal::No); let op = ecx.const_val_to_op(val, ty, None).ok()?; Some((ecx, op)) @@ -170,7 +170,7 @@ pub fn mk_eval_cx_for_const_val<'tcx>( /// encounter an `Indirect` they cannot handle. #[instrument(skip(ecx), level = "debug")] pub(super) fn op_to_const<'tcx>( - ecx: &CompileTimeEvalContext<'tcx>, + ecx: &CompileTimeInterpCx<'tcx>, op: &OpTy<'tcx>, for_diagnostics: bool, ) -> ConstValue<'tcx> { @@ -328,14 +328,14 @@ pub trait InterpretationResult<'tcx> { /// evaluation query. fn make_result( mplace: MPlaceTy<'tcx>, - ecx: &mut InterpCx<'tcx, CompileTimeInterpreter<'tcx>>, + ecx: &mut InterpCx<'tcx, CompileTimeMachine<'tcx>>, ) -> Self; } impl<'tcx> InterpretationResult<'tcx> for ConstAlloc<'tcx> { fn make_result( mplace: MPlaceTy<'tcx>, - _ecx: &mut InterpCx<'tcx, CompileTimeInterpreter<'tcx>>, + _ecx: &mut InterpCx<'tcx, CompileTimeMachine<'tcx>>, ) -> Self { ConstAlloc { alloc_id: mplace.ptr().provenance.unwrap().alloc_id(), ty: mplace.layout.ty } } @@ -383,7 +383,7 @@ fn eval_in_interpreter<'tcx, R: InterpretationResult<'tcx>>( // they do not have to behave "as if" they were evaluated at runtime. // For consts however we want to ensure they behave "as if" they were evaluated at runtime, // so we have to reject reading mutable global memory. - CompileTimeInterpreter::new(CanAccessMutGlobal::from(is_static), CheckAlignment::Error), + CompileTimeMachine::new(CanAccessMutGlobal::from(is_static), CheckAlignment::Error), ); let res = ecx.load_mir(cid.instance.def, cid.promoted); res.and_then(|body| eval_body_using_ecx(&mut ecx, cid, body)).map_err(|error| { @@ -417,7 +417,7 @@ fn eval_in_interpreter<'tcx, R: InterpretationResult<'tcx>>( #[inline(always)] fn const_validate_mplace<'tcx>( - ecx: &InterpCx<'tcx, CompileTimeInterpreter<'tcx>>, + ecx: &InterpCx<'tcx, CompileTimeMachine<'tcx>>, mplace: &MPlaceTy<'tcx>, cid: GlobalId<'tcx>, ) -> Result<(), ErrorHandled> { @@ -447,7 +447,7 @@ fn const_validate_mplace<'tcx>( #[inline(always)] fn report_validation_error<'tcx>( - ecx: &InterpCx<'tcx, CompileTimeInterpreter<'tcx>>, + ecx: &InterpCx<'tcx, CompileTimeMachine<'tcx>>, error: InterpErrorInfo<'tcx>, alloc_id: AllocId, ) -> ErrorHandled { diff --git a/compiler/rustc_const_eval/src/const_eval/machine.rs b/compiler/rustc_const_eval/src/const_eval/machine.rs index 79a161d3f03d..0dbb6a95376d 100644 --- a/compiler/rustc_const_eval/src/const_eval/machine.rs +++ b/compiler/rustc_const_eval/src/const_eval/machine.rs @@ -44,7 +44,7 @@ const TINY_LINT_TERMINATOR_LIMIT: usize = 20; const PROGRESS_INDICATOR_START: usize = 4_000_000; /// Extra machine state for CTFE, and the Machine instance -pub struct CompileTimeInterpreter<'tcx> { +pub struct CompileTimeMachine<'tcx> { /// The number of terminators that have been evaluated. /// /// This is used to produce lints informing the user that the compiler is not stuck. @@ -89,12 +89,12 @@ impl From for CanAccessMutGlobal { } } -impl<'tcx> CompileTimeInterpreter<'tcx> { +impl<'tcx> CompileTimeMachine<'tcx> { pub(crate) fn new( can_access_mut_global: CanAccessMutGlobal, check_alignment: CheckAlignment, ) -> Self { - CompileTimeInterpreter { + CompileTimeMachine { num_evaluated_steps: 0, stack: Vec::new(), can_access_mut_global, @@ -163,7 +163,7 @@ impl interpret::AllocMap for FxIndexMap { } } -pub(crate) type CompileTimeEvalContext<'tcx> = InterpCx<'tcx, CompileTimeInterpreter<'tcx>>; +pub(crate) type CompileTimeInterpCx<'tcx> = InterpCx<'tcx, CompileTimeMachine<'tcx>>; #[derive(Debug, PartialEq, Eq, Copy, Clone)] pub enum MemoryKind { @@ -195,7 +195,7 @@ impl interpret::MayLeak for ! { } } -impl<'tcx> CompileTimeEvalContext<'tcx> { +impl<'tcx> CompileTimeInterpCx<'tcx> { fn location_triple_for_span(&self, span: Span) -> (Symbol, u32, u32) { let topmost = span.ctxt().outer_expn().expansion_cause().unwrap_or(span); let caller = self.tcx.sess.source_map().lookup_char_pos(topmost.lo()); @@ -369,7 +369,7 @@ impl<'tcx> CompileTimeEvalContext<'tcx> { } } -impl<'tcx> interpret::Machine<'tcx> for CompileTimeInterpreter<'tcx> { +impl<'tcx> interpret::Machine<'tcx> for CompileTimeMachine<'tcx> { compile_time_machine!(<'tcx>); type MemoryKind = MemoryKind; diff --git a/compiler/rustc_const_eval/src/const_eval/valtrees.rs b/compiler/rustc_const_eval/src/const_eval/valtrees.rs index 66993476bef4..2e8ad445cf5e 100644 --- a/compiler/rustc_const_eval/src/const_eval/valtrees.rs +++ b/compiler/rustc_const_eval/src/const_eval/valtrees.rs @@ -9,7 +9,7 @@ use rustc_target::abi::{Abi, VariantIdx}; use tracing::{debug, instrument, trace}; use super::eval_queries::{mk_eval_cx_to_read_const_val, op_to_const}; -use super::machine::CompileTimeEvalContext; +use super::machine::CompileTimeInterpCx; use super::{ValTreeCreationError, ValTreeCreationResult, VALTREE_MAX_NODES}; use crate::const_eval::CanAccessMutGlobal; use crate::errors::MaxNumNodesInConstErr; @@ -21,7 +21,7 @@ use crate::interpret::{ #[instrument(skip(ecx), level = "debug")] fn branches<'tcx>( - ecx: &CompileTimeEvalContext<'tcx>, + ecx: &CompileTimeInterpCx<'tcx>, place: &MPlaceTy<'tcx>, n: usize, variant: Option, @@ -59,7 +59,7 @@ fn branches<'tcx>( #[instrument(skip(ecx), level = "debug")] fn slice_branches<'tcx>( - ecx: &CompileTimeEvalContext<'tcx>, + ecx: &CompileTimeInterpCx<'tcx>, place: &MPlaceTy<'tcx>, num_nodes: &mut usize, ) -> ValTreeCreationResult<'tcx> { @@ -77,7 +77,7 @@ fn slice_branches<'tcx>( #[instrument(skip(ecx), level = "debug")] fn const_to_valtree_inner<'tcx>( - ecx: &CompileTimeEvalContext<'tcx>, + ecx: &CompileTimeInterpCx<'tcx>, place: &MPlaceTy<'tcx>, num_nodes: &mut usize, ) -> ValTreeCreationResult<'tcx> { @@ -219,7 +219,7 @@ fn reconstruct_place_meta<'tcx>( #[instrument(skip(ecx), level = "debug", ret)] fn create_valtree_place<'tcx>( - ecx: &mut CompileTimeEvalContext<'tcx>, + ecx: &mut CompileTimeInterpCx<'tcx>, layout: TyAndLayout<'tcx>, valtree: ty::ValTree<'tcx>, ) -> MPlaceTy<'tcx> { @@ -364,7 +364,7 @@ pub fn valtree_to_const_value<'tcx>( /// Put a valtree into memory and return a reference to that. fn valtree_to_ref<'tcx>( - ecx: &mut CompileTimeEvalContext<'tcx>, + ecx: &mut CompileTimeInterpCx<'tcx>, valtree: ty::ValTree<'tcx>, pointee_ty: Ty<'tcx>, ) -> Immediate { @@ -380,7 +380,7 @@ fn valtree_to_ref<'tcx>( #[instrument(skip(ecx), level = "debug")] fn valtree_into_mplace<'tcx>( - ecx: &mut CompileTimeEvalContext<'tcx>, + ecx: &mut CompileTimeInterpCx<'tcx>, place: &MPlaceTy<'tcx>, valtree: ty::ValTree<'tcx>, ) { @@ -457,6 +457,6 @@ fn valtree_into_mplace<'tcx>( } } -fn dump_place<'tcx>(ecx: &CompileTimeEvalContext<'tcx>, place: &MPlaceTy<'tcx>) { +fn dump_place<'tcx>(ecx: &CompileTimeInterpCx<'tcx>, place: &MPlaceTy<'tcx>) { trace!("{:?}", ecx.dump_place(&PlaceTy::from(place.clone()))); } diff --git a/compiler/rustc_const_eval/src/interpret/intern.rs b/compiler/rustc_const_eval/src/interpret/intern.rs index 3066e0933d94..8b0a2afa4d66 100644 --- a/compiler/rustc_const_eval/src/interpret/intern.rs +++ b/compiler/rustc_const_eval/src/interpret/intern.rs @@ -45,7 +45,7 @@ pub trait HasStaticRootDefId { fn static_def_id(&self) -> Option; } -impl HasStaticRootDefId for const_eval::CompileTimeInterpreter<'_> { +impl HasStaticRootDefId for const_eval::CompileTimeMachine<'_> { fn static_def_id(&self) -> Option { Some(self.static_root_ids?.1) } diff --git a/compiler/rustc_const_eval/src/interpret/util.rs b/compiler/rustc_const_eval/src/interpret/util.rs index 10fd6399b9a3..f6537ed6ea9e 100644 --- a/compiler/rustc_const_eval/src/interpret/util.rs +++ b/compiler/rustc_const_eval/src/interpret/util.rs @@ -1,4 +1,4 @@ -use crate::const_eval::{CompileTimeEvalContext, CompileTimeInterpreter, InterpretationResult}; +use crate::const_eval::{CompileTimeInterpCx, CompileTimeMachine, InterpretationResult}; use rustc_hir::def_id::LocalDefId; use rustc_middle::mir; use rustc_middle::mir::interpret::{Allocation, InterpResult, Pointer}; @@ -84,7 +84,7 @@ where impl<'tcx> InterpretationResult<'tcx> for mir::interpret::ConstAllocation<'tcx> { fn make_result( mplace: MPlaceTy<'tcx>, - ecx: &mut InterpCx<'tcx, CompileTimeInterpreter<'tcx>>, + ecx: &mut InterpCx<'tcx, CompileTimeMachine<'tcx>>, ) -> Self { let alloc_id = mplace.ptr().provenance.unwrap().alloc_id(); let alloc = ecx.memory.alloc_map.swap_remove(&alloc_id).unwrap().1; @@ -93,7 +93,7 @@ impl<'tcx> InterpretationResult<'tcx> for mir::interpret::ConstAllocation<'tcx> } pub(crate) fn create_static_alloc<'tcx>( - ecx: &mut CompileTimeEvalContext<'tcx>, + ecx: &mut CompileTimeInterpCx<'tcx>, static_def_id: LocalDefId, layout: TyAndLayout<'tcx>, ) -> InterpResult<'tcx, MPlaceTy<'tcx>> { diff --git a/compiler/rustc_const_eval/src/util/caller_location.rs b/compiler/rustc_const_eval/src/util/caller_location.rs index 62c5f8734a24..3b07bee2d9c2 100644 --- a/compiler/rustc_const_eval/src/util/caller_location.rs +++ b/compiler/rustc_const_eval/src/util/caller_location.rs @@ -7,12 +7,12 @@ use rustc_middle::ty::{self, Mutability}; use rustc_span::symbol::Symbol; use tracing::trace; -use crate::const_eval::{mk_eval_cx_to_read_const_val, CanAccessMutGlobal, CompileTimeEvalContext}; +use crate::const_eval::{mk_eval_cx_to_read_const_val, CanAccessMutGlobal, CompileTimeInterpCx}; use crate::interpret::*; /// Allocate a `const core::panic::Location` with the provided filename and line/column numbers. fn alloc_caller_location<'tcx>( - ecx: &mut CompileTimeEvalContext<'tcx>, + ecx: &mut CompileTimeInterpCx<'tcx>, filename: Symbol, line: u32, col: u32, diff --git a/compiler/rustc_const_eval/src/util/check_validity_requirement.rs b/compiler/rustc_const_eval/src/util/check_validity_requirement.rs index 68fb122a765d..daf57285ebe6 100644 --- a/compiler/rustc_const_eval/src/util/check_validity_requirement.rs +++ b/compiler/rustc_const_eval/src/util/check_validity_requirement.rs @@ -3,7 +3,7 @@ use rustc_middle::ty::layout::{LayoutCx, LayoutError, LayoutOf, TyAndLayout, Val use rustc_middle::ty::{ParamEnv, ParamEnvAnd, Ty, TyCtxt}; use rustc_target::abi::{Abi, FieldsShape, Scalar, Variants}; -use crate::const_eval::{CanAccessMutGlobal, CheckAlignment, CompileTimeInterpreter}; +use crate::const_eval::{CanAccessMutGlobal, CheckAlignment, CompileTimeMachine}; use crate::interpret::{InterpCx, MemoryKind, OpTy}; /// Determines if this type permits "raw" initialization by just transmuting some memory into an @@ -45,7 +45,7 @@ fn might_permit_raw_init_strict<'tcx>( tcx: TyCtxt<'tcx>, kind: ValidityRequirement, ) -> Result> { - let machine = CompileTimeInterpreter::new(CanAccessMutGlobal::No, CheckAlignment::Error); + let machine = CompileTimeMachine::new(CanAccessMutGlobal::No, CheckAlignment::Error); let mut cx = InterpCx::new(tcx, rustc_span::DUMMY_SP, ParamEnv::reveal_all(), machine); From 54e24c15736e7602fe4d84641ac6d5c973397114 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Thu, 13 Jun 2024 11:30:24 +0200 Subject: [PATCH 1517/1716] const-eval: make lint scope computation consistent --- .../rustc_const_eval/src/const_eval/error.rs | 12 ++------- .../src/const_eval/eval_queries.rs | 2 +- .../src/const_eval/machine.rs | 14 ++++++++-- .../src/interpret/eval_context.rs | 27 +++++++------------ 4 files changed, 25 insertions(+), 30 deletions(-) diff --git a/compiler/rustc_const_eval/src/const_eval/error.rs b/compiler/rustc_const_eval/src/const_eval/error.rs index 94f4ae2556de..b17dc7f3ddde 100644 --- a/compiler/rustc_const_eval/src/const_eval/error.rs +++ b/compiler/rustc_const_eval/src/const_eval/error.rs @@ -1,7 +1,6 @@ use std::mem; use rustc_errors::{DiagArgName, DiagArgValue, DiagMessage, Diagnostic, IntoDiagArg}; -use rustc_hir::CRATE_HIR_ID; use rustc_middle::mir::interpret::{Provenance, ReportedErrorInfo}; use rustc_middle::mir::AssertKind; use rustc_middle::query::TyCtxtAt; @@ -156,7 +155,7 @@ where } } -/// Emit a lint from a const-eval situation. +/// Emit a lint from a const-eval situation, with a backtrace. // Even if this is unused, please don't remove it -- chances are we will need to emit a lint during const-eval again in the future! pub(super) fn lint<'tcx, L>( tcx: TyCtxtAt<'tcx>, @@ -168,12 +167,5 @@ pub(super) fn lint<'tcx, L>( { let (span, frames) = get_span_and_frames(tcx, &machine.stack); - tcx.emit_node_span_lint( - lint, - // We use the root frame for this so the crate that defines the const defines whether the - // lint is emitted. - machine.stack.first().and_then(|frame| frame.lint_root()).unwrap_or(CRATE_HIR_ID), - span, - decorator(frames), - ); + tcx.emit_node_span_lint(lint, machine.best_lint_scope(*tcx), span, decorator(frames)); } diff --git a/compiler/rustc_const_eval/src/const_eval/eval_queries.rs b/compiler/rustc_const_eval/src/const_eval/eval_queries.rs index 88a1503ee89c..4b8145eb4855 100644 --- a/compiler/rustc_const_eval/src/const_eval/eval_queries.rs +++ b/compiler/rustc_const_eval/src/const_eval/eval_queries.rs @@ -114,7 +114,7 @@ fn eval_body_using_ecx<'tcx, R: InterpretationResult<'tcx>>( let err_diag = errors::MutablePtrInFinal { span: ecx.tcx.span, kind: intern_kind }; ecx.tcx.emit_node_span_lint( lint::builtin::CONST_EVAL_MUTABLE_PTR_IN_FINAL_VALUE, - ecx.best_lint_scope(), + ecx.machine.best_lint_scope(*ecx.tcx), err_diag.span, err_diag, ) diff --git a/compiler/rustc_const_eval/src/const_eval/machine.rs b/compiler/rustc_const_eval/src/const_eval/machine.rs index 0dbb6a95376d..4f6df857142c 100644 --- a/compiler/rustc_const_eval/src/const_eval/machine.rs +++ b/compiler/rustc_const_eval/src/const_eval/machine.rs @@ -9,12 +9,13 @@ use rustc_data_structures::fx::IndexEntry; use rustc_hir::def_id::DefId; use rustc_hir::def_id::LocalDefId; use rustc_hir::LangItem; +use rustc_hir::{self as hir, CRATE_HIR_ID}; use rustc_middle::bug; use rustc_middle::mir; use rustc_middle::mir::AssertMessage; use rustc_middle::query::TyCtxtAt; -use rustc_middle::ty; use rustc_middle::ty::layout::{FnAbiOf, TyAndLayout}; +use rustc_middle::ty::{self, TyCtxt}; use rustc_session::lint::builtin::WRITES_THROUGH_IMMUTABLE_POINTER; use rustc_span::symbol::{sym, Symbol}; use rustc_span::Span; @@ -369,6 +370,15 @@ impl<'tcx> CompileTimeInterpCx<'tcx> { } } +impl<'tcx> CompileTimeMachine<'tcx> { + #[inline(always)] + /// Find the first stack frame that is within the current crate, if any. + /// Otherwise, return the crate's HirId + pub fn best_lint_scope(&self, tcx: TyCtxt<'tcx>) -> hir::HirId { + self.stack.iter().find_map(|frame| frame.lint_root(tcx)).unwrap_or(CRATE_HIR_ID) + } +} + impl<'tcx> interpret::Machine<'tcx> for CompileTimeMachine<'tcx> { compile_time_machine!(<'tcx>); @@ -600,7 +610,7 @@ impl<'tcx> interpret::Machine<'tcx> for CompileTimeMachine<'tcx> { // By default, we stop after a million steps, but the user can disable this lint // to be able to run until the heat death of the universe or power loss, whichever // comes first. - let hir_id = ecx.best_lint_scope(); + let hir_id = ecx.machine.best_lint_scope(*ecx.tcx); let is_error = ecx .tcx .lint_level_at_node( diff --git a/compiler/rustc_const_eval/src/interpret/eval_context.rs b/compiler/rustc_const_eval/src/interpret/eval_context.rs index 635721975081..4d93038a81e4 100644 --- a/compiler/rustc_const_eval/src/interpret/eval_context.rs +++ b/compiler/rustc_const_eval/src/interpret/eval_context.rs @@ -4,7 +4,6 @@ use std::{fmt, mem}; use either::{Either, Left, Right}; use tracing::{debug, info, info_span, instrument, trace}; -use hir::CRATE_HIR_ID; use rustc_errors::DiagCtxt; use rustc_hir::{self as hir, def_id::DefId, definitions::DefPathData}; use rustc_index::IndexVec; @@ -271,13 +270,18 @@ impl<'tcx, Prov: Provenance, Extra> Frame<'tcx, Prov, Extra> { } } - pub fn lint_root(&self) -> Option { - self.current_source_info().and_then(|source_info| { - match &self.body.source_scopes[source_info.scope].local_data { + pub fn lint_root(&self, tcx: TyCtxt<'tcx>) -> Option { + // We first try to get a HirId via the current source scope, + // and fall back to `body.source`. + self.current_source_info() + .and_then(|source_info| match &self.body.source_scopes[source_info.scope].local_data { mir::ClearCrossCrate::Set(data) => Some(data.lint_root), mir::ClearCrossCrate::Clear => None, - } - }) + }) + .or_else(|| { + let def_id = self.body.source.def_id().as_local(); + def_id.map(|def_id| tcx.local_def_id_to_hir_id(def_id)) + }) } /// Returns the address of the buffer where the locals are stored. This is used by `Place` as a @@ -509,17 +513,6 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { self.stack().last().map_or(self.tcx.span, |f| f.current_span()) } - /// Find the first stack frame that is within the current crate, if any; - /// otherwise return the crate's HirId. - #[inline(always)] - pub fn best_lint_scope(&self) -> hir::HirId { - self.stack() - .iter() - .find_map(|frame| frame.body.source.def_id().as_local()) - .map_or(CRATE_HIR_ID, |def_id| self.tcx.local_def_id_to_hir_id(def_id)) - } - - #[inline(always)] pub(crate) fn stack(&self) -> &[Frame<'tcx, M::Provenance, M::FrameExtra>] { M::stack(self) } From 14014abf06712412b4e700b74c570148ac63de27 Mon Sep 17 00:00:00 2001 From: Erick Tryzelaar Date: Mon, 10 Jun 2024 18:32:31 +0000 Subject: [PATCH 1518/1716] Update fuchsia commit, and SDK to 21.20240610.2.1 This includes a fix to the race when publishing multiple packages at the same time. --- .../x86_64-gnu-integration/Dockerfile | 28 +++++++++---------- .../x86_64-gnu-integration/build-fuchsia.sh | 2 +- .../docker/scripts/build-fuchsia-toolchain.sh | 8 +++--- src/ci/docker/scripts/fuchsia-test-runner.py | 2 +- 4 files changed, 20 insertions(+), 20 deletions(-) diff --git a/src/ci/docker/host-x86_64/x86_64-gnu-integration/Dockerfile b/src/ci/docker/host-x86_64/x86_64-gnu-integration/Dockerfile index d228dfc87ebe..a944f370c6b3 100644 --- a/src/ci/docker/host-x86_64/x86_64-gnu-integration/Dockerfile +++ b/src/ci/docker/host-x86_64/x86_64-gnu-integration/Dockerfile @@ -26,27 +26,27 @@ RUN apt-get update && apt-get install -y --no-install-recommends \ # Duplicated in dist-various-2 Dockerfile. # FIXME: Move to canonical triple ENV \ - AR_x86_64_fuchsia=x86_64-unknown-fuchsia-ar \ - CC_x86_64_fuchsia=x86_64-unknown-fuchsia-clang \ - CFLAGS_x86_64_fuchsia="--target=x86_64-unknown-fuchsia --sysroot=/usr/local/core-linux-amd64-fuchsia-sdk/arch/x64/sysroot -I/usr/local/core-linux-amd64-fuchsia-sdk/pkg/fdio/include" \ - CXX_x86_64_fuchsia=x86_64-unknown-fuchsia-clang++ \ - CXXFLAGS_x86_64_fuchsia="--target=x86_64-unknown-fuchsia --sysroot=/usr/local/core-linux-amd64-fuchsia-sdk/arch/x64/sysroot -I/usr/local/core-linux-amd64-fuchsia-sdk/pkg/fdio/include" \ - LDFLAGS_x86_64_fuchsia="--target=x86_64-unknown-fuchsia --sysroot=/usr/local/core-linux-amd64-fuchsia-sdk/arch/x64/sysroot -L/usr/local/core-linux-amd64-fuchsia-sdk/arch/x64/lib" + AR_x86_64_unknown_fuchsia=x86_64-unknown-fuchsia-ar \ + CC_x86_64_unknown_fuchsia=x86_64-unknown-fuchsia-clang \ + CFLAGS_x86_64_unknown_fuchsia="--target=x86_64-unknown-fuchsia --sysroot=/usr/local/core-linux-amd64-fuchsia-sdk/arch/x64/sysroot -I/usr/local/core-linux-amd64-fuchsia-sdk/pkg/fdio/include" \ + CXX_x86_64_unknown_fuchsia=x86_64-unknown-fuchsia-clang++ \ + CXXFLAGS_x86_64_unknown_fuchsia="--target=x86_64-unknown-fuchsia --sysroot=/usr/local/core-linux-amd64-fuchsia-sdk/arch/x64/sysroot -I/usr/local/core-linux-amd64-fuchsia-sdk/pkg/fdio/include" \ + LDFLAGS_x86_64_unknown_fuchsia="--target=x86_64-unknown-fuchsia --sysroot=/usr/local/core-linux-amd64-fuchsia-sdk/arch/x64/sysroot -L/usr/local/core-linux-amd64-fuchsia-sdk/arch/x64/lib" WORKDIR /tmp COPY scripts/shared.sh /tmp/ COPY scripts/build-fuchsia-toolchain.sh /tmp/ RUN /tmp/build-fuchsia-toolchain.sh -ENV CARGO_TARGET_X86_64_FUCHSIA_AR /usr/local/bin/llvm-ar -ENV CARGO_TARGET_X86_64_FUCHSIA_RUSTFLAGS \ +ENV CARGO_TARGET_X86_64_UNKNOWN_FUCHSIA_AR /usr/local/bin/llvm-ar +ENV CARGO_TARGET_X86_64_UNKNOWN_FUCHSIA_RUSTFLAGS \ -C panic=abort \ -C force-unwind-tables=yes \ -C link-arg=--sysroot=/usr/local/core-linux-amd64-fuchsia-sdk/arch/x64/sysroot \ -Lnative=/usr/local/core-linux-amd64-fuchsia-sdk/arch/x64/sysroot/lib \ -Lnative=/usr/local/core-linux-amd64-fuchsia-sdk/arch/x64/lib -ENV TARGETS=x86_64-fuchsia +ENV TARGETS=x86_64-unknown-fuchsia ENV TARGETS=$TARGETS,x86_64-unknown-linux-gnu ENV TARGETS=$TARGETS,wasm32-unknown-unknown @@ -69,11 +69,11 @@ ENV RUST_CONFIGURE_ARGS \ --llvm-libunwind=in-tree \ --enable-extended \ --disable-docs \ - --set target.x86_64-fuchsia.cc=/usr/local/bin/clang \ - --set target.x86_64-fuchsia.cxx=/usr/local/bin/clang++ \ - --set target.x86_64-fuchsia.ar=/usr/local/bin/llvm-ar \ - --set target.x86_64-fuchsia.ranlib=/usr/local/bin/llvm-ranlib \ - --set target.x86_64-fuchsia.linker=/usr/local/bin/ld.lld + --set target.x86_64-unknown-fuchsia.cc=/usr/local/bin/clang \ + --set target.x86_64-unknown-fuchsia.cxx=/usr/local/bin/clang++ \ + --set target.x86_64-unknown-fuchsia.ar=/usr/local/bin/llvm-ar \ + --set target.x86_64-unknown-fuchsia.ranlib=/usr/local/bin/llvm-ranlib \ + --set target.x86_64-unknown-fuchsia.linker=/usr/local/bin/ld.lld ENV SCRIPT \ python3 ../x.py install --target $TARGETS compiler/rustc library/std clippy && \ bash ../src/ci/docker/host-x86_64/x86_64-gnu-integration/build-fuchsia.sh diff --git a/src/ci/docker/host-x86_64/x86_64-gnu-integration/build-fuchsia.sh b/src/ci/docker/host-x86_64/x86_64-gnu-integration/build-fuchsia.sh index 913a0b0c09c3..2bb1d0a63387 100755 --- a/src/ci/docker/host-x86_64/x86_64-gnu-integration/build-fuchsia.sh +++ b/src/ci/docker/host-x86_64/x86_64-gnu-integration/build-fuchsia.sh @@ -35,7 +35,7 @@ PICK_REFS=() # commit hash of fuchsia.git and some other repos in the "monorepo" checkout, in # addition to versions of prebuilts. It should be bumped regularly by the # Fuchsia team – we aim for every 1-2 months. -INTEGRATION_SHA=1011e3298775ee7cdf6f6dc73e808d6a86e33bd6 +INTEGRATION_SHA=737ebdd83afa47b742ca8325fad0176952fcefbd checkout=fuchsia jiri=.jiri_root/bin/jiri diff --git a/src/ci/docker/scripts/build-fuchsia-toolchain.sh b/src/ci/docker/scripts/build-fuchsia-toolchain.sh index 7a0d4fcffc15..027d412d2506 100755 --- a/src/ci/docker/scripts/build-fuchsia-toolchain.sh +++ b/src/ci/docker/scripts/build-fuchsia-toolchain.sh @@ -4,13 +4,13 @@ set -ex source shared.sh FUCHSIA_SDK_URL=https://chrome-infra-packages.appspot.com/dl/fuchsia/sdk/core/linux-amd64 -FUCHSIA_SDK_ID=version:20.20240412.3.1 -FUCHSIA_SDK_SHA256=cc52f3497487dd813c89d9316e6967efcea89c7759edccf3e40fcf3662e53f19 +FUCHSIA_SDK_ID=version:21.20240610.2.1 +FUCHSIA_SDK_SHA256=2d2d057fc3f0404197cced2200f88cbcdaaf5fbf6475955045091f8676791ce7 FUCHSIA_SDK_USR_DIR=/usr/local/core-linux-amd64-fuchsia-sdk CLANG_DOWNLOAD_URL=\ https://chrome-infra-packages.appspot.com/dl/fuchsia/third_party/clang/linux-amd64 -CLANG_DOWNLOAD_ID=git_revision:c777c011a709dffd4fa5e79cad7947b7c3405d02 -CLANG_DOWNLOAD_SHA256=779167422ad73c292f049dcea5569f84577af9292189ed2749518b966a4d0844 +CLANG_DOWNLOAD_ID=git_revision:3809e20afc68d7d03821f0ec59b928dcf9befbf4 +CLANG_DOWNLOAD_SHA256=3c2c442b61cd9e8f1b567738f6d53cffe11b3fc820e7dae87a82a0859be8f204 install_clang() { mkdir -p clang_download diff --git a/src/ci/docker/scripts/fuchsia-test-runner.py b/src/ci/docker/scripts/fuchsia-test-runner.py index 4f504341d526..d791550a8db8 100755 --- a/src/ci/docker/scripts/fuchsia-test-runner.py +++ b/src/ci/docker/scripts/fuchsia-test-runner.py @@ -286,7 +286,7 @@ class TestEnvironment: # Look up the product bundle transfer manifest. self.log_info("Looking up the product bundle transfer manifest...") product_name = "minimal." + self.triple_to_arch(self.target) - fuchsia_version = "20.20240412.3.1" + fuchsia_version = "21.20240610.2.1" out = self.check_output( [ From 5de8e6edfcc747930891a0adc8e90608776dbe54 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Esteban=20K=C3=BCber?= Date: Wed, 12 Jun 2024 23:51:31 +0000 Subject: [PATCH 1519/1716] Tweak output of import suggestions When both `std::` and `core::` items are available, only suggest the `std::` ones. We ensure that in `no_std` crates we suggest `core::` items. Ensure that the list of items suggested to be imported are always in the order of local crate items, `std`/`core` items and finally foreign crate items. Tweak wording of import suggestion: if there are multiple items but they are all of the same kind, we use the kind name and not the generic "items". Fix #83564. --- compiler/rustc_resolve/src/diagnostics.rs | 46 ++++++++++++++++--- .../clippy/tests/ui/crashes/ice-6252.stderr | 4 +- .../const-generics/issues/issue-82956.stderr | 2 +- .../consts/const_refs_to_static-ice-121413.rs | 4 ++ .../const_refs_to_static-ice-121413.stderr | 8 ++-- ...ssue-56028-there-is-an-enum-variant.stderr | 2 +- ...xtern-prelude-from-opaque-fail-2018.stderr | 7 +-- tests/ui/imports/cycle-import-in-std-1.stderr | 3 +- tests/ui/imports/cycle-import-in-std-2.stderr | 3 +- ...port-alias-issue-121168.edition2018.stderr | 2 +- ...port-alias-issue-121168.edition2021.stderr | 2 +- tests/ui/imports/issue-56125.stderr | 10 ++-- tests/ui/lint/use_suggestion_json.stderr | 4 +- tests/ui/namespace/namespace-mix.stderr | 8 ++-- tests/ui/resolve/issue-16058.stderr | 2 +- tests/ui/resolve/issue-21221-1.stderr | 12 ++--- tests/ui/resolve/issue-21221-2.stderr | 2 +- tests/ui/resolve/issue-50599.stderr | 2 +- tests/ui/resolve/issue-73427.stderr | 2 +- tests/ui/resolve/privacy-enum-ctor.stderr | 4 +- .../not-allowed.stderr | 4 +- .../issue-52202-use-suggestions.stderr | 2 +- ...-std-import-order-issue-83564.no_std.fixed | 22 +++++++++ ...td-import-order-issue-83564.no_std.stderr} | 6 +-- .../core-std-import-order-issue-83564.rs | 12 ++++- ...ore-std-import-order-issue-83564.std.fixed | 22 +++++++++ ...re-std-import-order-issue-83564.std.stderr | 14 ++++++ .../suggestions/crate-or-module-typo.stderr | 4 +- .../suggest-tryinto-edition-change.rs | 5 +- .../suggest-tryinto-edition-change.stderr | 19 ++------ 30 files changed, 159 insertions(+), 80 deletions(-) create mode 100644 tests/ui/suggestions/core-std-import-order-issue-83564.no_std.fixed rename tests/ui/suggestions/{core-std-import-order-issue-83564.stderr => core-std-import-order-issue-83564.no_std.stderr} (71%) create mode 100644 tests/ui/suggestions/core-std-import-order-issue-83564.std.fixed create mode 100644 tests/ui/suggestions/core-std-import-order-issue-83564.std.stderr diff --git a/compiler/rustc_resolve/src/diagnostics.rs b/compiler/rustc_resolve/src/diagnostics.rs index d1541527cf59..8d470c6c61ef 100644 --- a/compiler/rustc_resolve/src/diagnostics.rs +++ b/compiler/rustc_resolve/src/diagnostics.rs @@ -2783,33 +2783,65 @@ fn show_candidates( // by iterating through a hash map, so make sure they are ordered: for path_strings in [&mut accessible_path_strings, &mut inaccessible_path_strings] { path_strings.sort_by(|a, b| a.0.cmp(&b.0)); + path_strings.dedup_by(|a, b| a.0 == b.0); let core_path_strings = path_strings.extract_if(|p| p.0.starts_with("core::")).collect::>(); - path_strings.extend(core_path_strings); - path_strings.dedup_by(|a, b| a.0 == b.0); + let std_path_strings = + path_strings.extract_if(|p| p.0.starts_with("std::")).collect::>(); + let foreign_crate_path_strings = + path_strings.extract_if(|p| !p.0.starts_with("crate::")).collect::>(); + + // We list the `crate` local paths first. + // Then we list the `std`/`core` paths. + if std_path_strings.len() == core_path_strings.len() { + // Do not list `core::` paths if we are already listing the `std::` ones. + path_strings.extend(std_path_strings); + } else { + path_strings.extend(std_path_strings); + path_strings.extend(core_path_strings); + } + // List all paths from foreign crates last. + path_strings.extend(foreign_crate_path_strings); } - accessible_path_strings.sort(); if !accessible_path_strings.is_empty() { - let (determiner, kind, name, through) = + let (determiner, kind, s, name, through) = if let [(name, descr, _, _, via_import)] = &accessible_path_strings[..] { ( "this", *descr, + "", format!(" `{name}`"), if *via_import { " through its public re-export" } else { "" }, ) } else { - ("one of these", "items", String::new(), "") + // Get the unique item kinds and if there's only one, we use the right kind name + // instead of the more generic "items". + let mut kinds = accessible_path_strings + .iter() + .map(|(_, descr, _, _, _)| *descr) + .collect::>() + .into_iter(); + let kind = if let Some(kind) = kinds.next() + && let None = kinds.next() + { + kind + } else { + "item" + }; + let s = if kind.ends_with('s') { "es" } else { "s" }; + + ("one of these", kind, s, String::new(), "") }; let instead = if let Instead::Yes = instead { " instead" } else { "" }; let mut msg = if let DiagMode::Pattern = mode { format!( - "if you meant to match on {kind}{instead}{name}, use the full path in the pattern", + "if you meant to match on {kind}{s}{instead}{name}, use the full path in the \ + pattern", ) } else { - format!("consider importing {determiner} {kind}{through}{instead}") + format!("consider importing {determiner} {kind}{s}{through}{instead}") }; for note in accessible_path_strings.iter().flat_map(|cand| cand.3.as_ref()) { diff --git a/src/tools/clippy/tests/ui/crashes/ice-6252.stderr b/src/tools/clippy/tests/ui/crashes/ice-6252.stderr index ce3b9495eb1e..cd2031af1c6d 100644 --- a/src/tools/clippy/tests/ui/crashes/ice-6252.stderr +++ b/src/tools/clippy/tests/ui/crashes/ice-6252.stderr @@ -4,9 +4,7 @@ error[E0412]: cannot find type `PhantomData` in this scope LL | _n: PhantomData, | ^^^^^^^^^^^ not found in this scope | -help: consider importing one of these items - | -LL + use core::marker::PhantomData; +help: consider importing this struct | LL + use std::marker::PhantomData; | diff --git a/tests/ui/const-generics/issues/issue-82956.stderr b/tests/ui/const-generics/issues/issue-82956.stderr index d0fc7112426a..a956fc741f4d 100644 --- a/tests/ui/const-generics/issues/issue-82956.stderr +++ b/tests/ui/const-generics/issues/issue-82956.stderr @@ -4,7 +4,7 @@ error[E0433]: failed to resolve: use of undeclared type `IntoIter` LL | let mut iter = IntoIter::new(self); | ^^^^^^^^ use of undeclared type `IntoIter` | -help: consider importing one of these items +help: consider importing one of these structs | LL + use std::array::IntoIter; | diff --git a/tests/ui/consts/const_refs_to_static-ice-121413.rs b/tests/ui/consts/const_refs_to_static-ice-121413.rs index 8a24fb799b6b..8fc3912efd08 100644 --- a/tests/ui/consts/const_refs_to_static-ice-121413.rs +++ b/tests/ui/consts/const_refs_to_static-ice-121413.rs @@ -5,12 +5,16 @@ // ignore-tidy-linelength #![feature(const_refs_to_static)] const REF_INTERIOR_MUT: &usize = { + //~^ HELP consider importing this struct static FOO: Sync = AtomicUsize::new(0); //~^ ERROR failed to resolve: use of undeclared type `AtomicUsize` //~| WARN trait objects without an explicit `dyn` are deprecated //~| ERROR the size for values of type `(dyn Sync + 'static)` cannot be known at compilation time //~| ERROR the size for values of type `(dyn Sync + 'static)` cannot be known at compilation time //~| WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! + //~| HELP if this is an object-safe trait, use `dyn` + //~| HELP the trait `Sized` is not implemented for `(dyn Sync + 'static)` + //~| HELP the trait `Sized` is not implemented for `(dyn Sync + 'static)` unsafe { &*(&FOO as *const _ as *const usize) } }; pub fn main() {} diff --git a/tests/ui/consts/const_refs_to_static-ice-121413.stderr b/tests/ui/consts/const_refs_to_static-ice-121413.stderr index c977c698a92e..fbe32a70293a 100644 --- a/tests/ui/consts/const_refs_to_static-ice-121413.stderr +++ b/tests/ui/consts/const_refs_to_static-ice-121413.stderr @@ -1,5 +1,5 @@ error[E0433]: failed to resolve: use of undeclared type `AtomicUsize` - --> $DIR/const_refs_to_static-ice-121413.rs:8:24 + --> $DIR/const_refs_to_static-ice-121413.rs:9:24 | LL | static FOO: Sync = AtomicUsize::new(0); | ^^^^^^^^^^^ use of undeclared type `AtomicUsize` @@ -10,7 +10,7 @@ LL + use std::sync::atomic::AtomicUsize; | warning: trait objects without an explicit `dyn` are deprecated - --> $DIR/const_refs_to_static-ice-121413.rs:8:17 + --> $DIR/const_refs_to_static-ice-121413.rs:9:17 | LL | static FOO: Sync = AtomicUsize::new(0); | ^^^^ @@ -24,7 +24,7 @@ LL | static FOO: dyn Sync = AtomicUsize::new(0); | +++ error[E0277]: the size for values of type `(dyn Sync + 'static)` cannot be known at compilation time - --> $DIR/const_refs_to_static-ice-121413.rs:8:17 + --> $DIR/const_refs_to_static-ice-121413.rs:9:17 | LL | static FOO: Sync = AtomicUsize::new(0); | ^^^^ doesn't have a size known at compile-time @@ -32,7 +32,7 @@ LL | static FOO: Sync = AtomicUsize::new(0); = help: the trait `Sized` is not implemented for `(dyn Sync + 'static)` error[E0277]: the size for values of type `(dyn Sync + 'static)` cannot be known at compilation time - --> $DIR/const_refs_to_static-ice-121413.rs:8:24 + --> $DIR/const_refs_to_static-ice-121413.rs:9:24 | LL | static FOO: Sync = AtomicUsize::new(0); | ^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time diff --git a/tests/ui/did_you_mean/issue-56028-there-is-an-enum-variant.stderr b/tests/ui/did_you_mean/issue-56028-there-is-an-enum-variant.stderr index 5c610f36322d..b1a15b8594a0 100644 --- a/tests/ui/did_you_mean/issue-56028-there-is-an-enum-variant.stderr +++ b/tests/ui/did_you_mean/issue-56028-there-is-an-enum-variant.stderr @@ -22,7 +22,7 @@ error[E0425]: cannot find value `Set` in this scope LL | fn setup() -> Set { Set } | ^^^ not found in this scope | -help: consider importing one of these items +help: consider importing one of these unit variants | LL + use AffixHeart::Set; | diff --git a/tests/ui/hygiene/extern-prelude-from-opaque-fail-2018.stderr b/tests/ui/hygiene/extern-prelude-from-opaque-fail-2018.stderr index 78e6376bca2e..cc229764ad3f 100644 --- a/tests/ui/hygiene/extern-prelude-from-opaque-fail-2018.stderr +++ b/tests/ui/hygiene/extern-prelude-from-opaque-fail-2018.stderr @@ -24,8 +24,7 @@ LL | fn f() { my_core::mem::drop(0); } LL | a!(); | ---- in this macro invocation | - = help: consider importing one of these items: - core::mem + = help: consider importing this module: std::mem = note: this error originates in the macro `a` (in Nightly builds, run with -Z macro-backtrace for more info) @@ -35,9 +34,7 @@ error[E0433]: failed to resolve: use of undeclared crate or module `my_core` LL | fn f() { my_core::mem::drop(0); } | ^^^^^^^ use of undeclared crate or module `my_core` | -help: consider importing one of these items - | -LL + use core::mem; +help: consider importing this module | LL + use std::mem; | diff --git a/tests/ui/imports/cycle-import-in-std-1.stderr b/tests/ui/imports/cycle-import-in-std-1.stderr index d4e6f32cc109..a7dfc6231bac 100644 --- a/tests/ui/imports/cycle-import-in-std-1.stderr +++ b/tests/ui/imports/cycle-import-in-std-1.stderr @@ -4,8 +4,7 @@ error[E0432]: unresolved import `ops` LL | use ops::{self as std}; | ^^^^^^^^^^^ no external crate `ops` | - = help: consider importing one of these items instead: - core::ops + = help: consider importing this module instead: std::ops error: aborting due to 1 previous error diff --git a/tests/ui/imports/cycle-import-in-std-2.stderr b/tests/ui/imports/cycle-import-in-std-2.stderr index dc0270dffe4a..8d94693cd51d 100644 --- a/tests/ui/imports/cycle-import-in-std-2.stderr +++ b/tests/ui/imports/cycle-import-in-std-2.stderr @@ -4,8 +4,7 @@ error[E0432]: unresolved import `ops` LL | use ops::{self as std}; | ^^^^^^^^^^^ no external crate `ops` | - = help: consider importing one of these items instead: - core::ops + = help: consider importing this module instead: std::ops error: aborting due to 1 previous error diff --git a/tests/ui/imports/import-alias-issue-121168.edition2018.stderr b/tests/ui/imports/import-alias-issue-121168.edition2018.stderr index b61a0e3edd52..e14e700c33d8 100644 --- a/tests/ui/imports/import-alias-issue-121168.edition2018.stderr +++ b/tests/ui/imports/import-alias-issue-121168.edition2018.stderr @@ -4,7 +4,7 @@ error[E0412]: cannot find type `Foo` in this scope LL | let _: Foo = todo!(); | ^^^ not found in this scope | -help: consider importing one of these items +help: consider importing one of these structs | LL + use crate::nice_crate_name::Foo; | diff --git a/tests/ui/imports/import-alias-issue-121168.edition2021.stderr b/tests/ui/imports/import-alias-issue-121168.edition2021.stderr index b61a0e3edd52..e14e700c33d8 100644 --- a/tests/ui/imports/import-alias-issue-121168.edition2021.stderr +++ b/tests/ui/imports/import-alias-issue-121168.edition2021.stderr @@ -4,7 +4,7 @@ error[E0412]: cannot find type `Foo` in this scope LL | let _: Foo = todo!(); | ^^^ not found in this scope | -help: consider importing one of these items +help: consider importing one of these structs | LL + use crate::nice_crate_name::Foo; | diff --git a/tests/ui/imports/issue-56125.stderr b/tests/ui/imports/issue-56125.stderr index d2a0f436c42d..0c4a569c7ea7 100644 --- a/tests/ui/imports/issue-56125.stderr +++ b/tests/ui/imports/issue-56125.stderr @@ -4,16 +4,16 @@ error[E0432]: unresolved import `empty::issue_56125` LL | use empty::issue_56125; | ^^^^^^^^^^^^^^^^^^ no `issue_56125` in `m3::empty` | -help: consider importing one of these items instead +help: consider importing one of these modules instead | +LL | use crate::m3::last_segment::issue_56125; + | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +LL | use crate::m3::non_last_segment::non_last_segment::issue_56125; + | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ LL | use ::issue_56125::issue_56125; | ~~~~~~~~~~~~~~~~~~~~~~~~~~ LL | use ::issue_56125::last_segment::issue_56125; | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -LL | use ::issue_56125::non_last_segment::non_last_segment::issue_56125; - | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -LL | use crate::m3::last_segment::issue_56125; - | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ and 1 other candidate error[E0659]: `issue_56125` is ambiguous diff --git a/tests/ui/lint/use_suggestion_json.stderr b/tests/ui/lint/use_suggestion_json.stderr index acc36550642d..4683e5dd8f3c 100644 --- a/tests/ui/lint/use_suggestion_json.stderr +++ b/tests/ui/lint/use_suggestion_json.stderr @@ -95,7 +95,7 @@ mod foo { ], "children": [ { - "message": "consider importing one of these items", + "message": "consider importing one of these structs", "code": null, "level": "help", "spans": [ @@ -386,7 +386,7 @@ mod foo { \u001b[0m\u001b[1m\u001b[38;5;12mLL\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m let x: Iter;\u001b[0m \u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9m^^^^\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9mnot found in this scope\u001b[0m \u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m -\u001b[0m\u001b[1m\u001b[38;5;14mhelp\u001b[0m\u001b[0m: consider importing one of these items\u001b[0m +\u001b[0m\u001b[1m\u001b[38;5;14mhelp\u001b[0m\u001b[0m: consider importing one of these structs\u001b[0m \u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m \u001b[0m\u001b[1m\u001b[38;5;12mLL\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[38;5;10m+ use std::collections::binary_heap::Iter;\u001b[0m \u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m diff --git a/tests/ui/namespace/namespace-mix.stderr b/tests/ui/namespace/namespace-mix.stderr index 4eff08ead42c..b80363fe8f84 100644 --- a/tests/ui/namespace/namespace-mix.stderr +++ b/tests/ui/namespace/namespace-mix.stderr @@ -12,7 +12,7 @@ help: a tuple struct with a similar name exists | LL | check(m1::TS); | ~~ -help: consider importing one of these items instead +help: consider importing one of these constants instead | LL + use m2::S; | @@ -40,7 +40,7 @@ help: a tuple struct with a similar name exists | LL | check(xm1::TS); | ~~ -help: consider importing one of these items instead +help: consider importing one of these constants instead | LL + use m2::S; | @@ -66,7 +66,7 @@ help: a tuple variant with a similar name exists | LL | check(m7::TV); | ~~ -help: consider importing one of these items instead +help: consider importing one of these constants instead | LL + use m8::V; | @@ -94,7 +94,7 @@ help: a tuple variant with a similar name exists | LL | check(xm7::TV); | ~~ -help: consider importing one of these items instead +help: consider importing one of these constants instead | LL + use m8::V; | diff --git a/tests/ui/resolve/issue-16058.stderr b/tests/ui/resolve/issue-16058.stderr index 914990c35ff7..12b1ac8a5fb4 100644 --- a/tests/ui/resolve/issue-16058.stderr +++ b/tests/ui/resolve/issue-16058.stderr @@ -4,7 +4,7 @@ error[E0574]: expected struct, variant or union type, found enum `Result` LL | Result { | ^^^^^^ not a struct, variant or union type | -help: consider importing one of these items instead +help: consider importing one of these type aliases instead | LL + use std::fmt::Result; | diff --git a/tests/ui/resolve/issue-21221-1.stderr b/tests/ui/resolve/issue-21221-1.stderr index a38116cd7287..ccf03afaa19f 100644 --- a/tests/ui/resolve/issue-21221-1.stderr +++ b/tests/ui/resolve/issue-21221-1.stderr @@ -4,14 +4,14 @@ error[E0405]: cannot find trait `Mul` in this scope LL | impl Mul for Foo { | ^^^ not found in this scope | -help: consider importing one of these items +help: consider importing one of these traits + | +LL + use std::ops::Mul; | LL + use mul1::Mul; | LL + use mul2::Mul; | -LL + use std::ops::Mul; - | error[E0412]: cannot find type `Mul` in this scope --> $DIR/issue-21221-1.rs:58:16 @@ -19,14 +19,14 @@ error[E0412]: cannot find type `Mul` in this scope LL | fn getMul() -> Mul { | ^^^ not found in this scope | -help: consider importing one of these items +help: consider importing one of these traits + | +LL + use std::ops::Mul; | LL + use mul1::Mul; | LL + use mul2::Mul; | -LL + use std::ops::Mul; - | error[E0405]: cannot find trait `ThisTraitReallyDoesntExistInAnyModuleReally` in this scope --> $DIR/issue-21221-1.rs:63:6 diff --git a/tests/ui/resolve/issue-21221-2.stderr b/tests/ui/resolve/issue-21221-2.stderr index 3bd4c1a5d131..5db327955eb1 100644 --- a/tests/ui/resolve/issue-21221-2.stderr +++ b/tests/ui/resolve/issue-21221-2.stderr @@ -4,7 +4,7 @@ error[E0405]: cannot find trait `T` in this scope LL | impl T for Foo { } | ^ not found in this scope | -help: consider importing one of these items +help: consider importing one of these traits | LL + use baz::T; | diff --git a/tests/ui/resolve/issue-50599.stderr b/tests/ui/resolve/issue-50599.stderr index e5eacd741fbe..24fb3d580b8f 100644 --- a/tests/ui/resolve/issue-50599.stderr +++ b/tests/ui/resolve/issue-50599.stderr @@ -4,7 +4,7 @@ error[E0425]: cannot find value `LOG10_2` in module `std::f64` LL | const M: usize = (f64::from(N) * std::f64::LOG10_2) as usize; | ^^^^^^^ not found in `std::f64` | -help: consider importing one of these items +help: consider importing one of these constants | LL + use std::f128::consts::LOG10_2; | diff --git a/tests/ui/resolve/issue-73427.stderr b/tests/ui/resolve/issue-73427.stderr index c5e245d884b7..0a9a504f79ca 100644 --- a/tests/ui/resolve/issue-73427.stderr +++ b/tests/ui/resolve/issue-73427.stderr @@ -105,7 +105,7 @@ help: the following enum variant is available | LL | (E::TupleWithFields(/* fields */)).foo(); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -help: consider importing one of these items instead +help: consider importing one of these constants instead | LL + use std::f128::consts::E; | diff --git a/tests/ui/resolve/privacy-enum-ctor.stderr b/tests/ui/resolve/privacy-enum-ctor.stderr index 01c8a38d2a48..ee3aecddcc34 100644 --- a/tests/ui/resolve/privacy-enum-ctor.stderr +++ b/tests/ui/resolve/privacy-enum-ctor.stderr @@ -82,7 +82,7 @@ help: a function with a similar name exists | LL | let _: E = m::f; | ~ -help: consider importing one of these items instead +help: consider importing one of these constants instead | LL + use std::f128::consts::E; | @@ -123,7 +123,7 @@ help: alternatively, the following enum variant is available | LL | let _: E = (E::Fn(/* fields */)); | ~~~~~~~~~~~~~~~~~~~~~ -help: consider importing one of these items instead +help: consider importing one of these constants instead | LL + use std::f128::consts::E; | diff --git a/tests/ui/rfcs/rfc-2126-extern-absolute-paths/not-allowed.stderr b/tests/ui/rfcs/rfc-2126-extern-absolute-paths/not-allowed.stderr index 7f989c15f1c0..d0c084f7bd5d 100644 --- a/tests/ui/rfcs/rfc-2126-extern-absolute-paths/not-allowed.stderr +++ b/tests/ui/rfcs/rfc-2126-extern-absolute-paths/not-allowed.stderr @@ -4,10 +4,8 @@ error[E0432]: unresolved import `alloc` LL | use alloc; | ^^^^^ no external crate `alloc` | -help: consider importing one of these items instead +help: consider importing this module instead | -LL | use core::alloc; - | ~~~~~~~~~~~ LL | use std::alloc; | ~~~~~~~~~~ diff --git a/tests/ui/rust-2018/issue-52202-use-suggestions.stderr b/tests/ui/rust-2018/issue-52202-use-suggestions.stderr index 49736205f204..ee1a336ea98f 100644 --- a/tests/ui/rust-2018/issue-52202-use-suggestions.stderr +++ b/tests/ui/rust-2018/issue-52202-use-suggestions.stderr @@ -4,7 +4,7 @@ error[E0422]: cannot find struct, variant or union type `Drain` in this scope LL | let _d = Drain {}; | ^^^^^ not found in this scope | -help: consider importing one of these items +help: consider importing one of these structs | LL + use crate::plumbing::Drain; | diff --git a/tests/ui/suggestions/core-std-import-order-issue-83564.no_std.fixed b/tests/ui/suggestions/core-std-import-order-issue-83564.no_std.fixed new file mode 100644 index 000000000000..02d667d98442 --- /dev/null +++ b/tests/ui/suggestions/core-std-import-order-issue-83564.no_std.fixed @@ -0,0 +1,22 @@ +//@ edition:2018 +// +// This is a regression test for #83564. +// For some reason, Rust 2018 or higher is required to reproduce the bug. +//@ run-rustfix +//@ revisions: no_std std +//@ [no_std]compile-flags: --cfg=no_std -C panic=abort +#![cfg_attr(no_std, no_std)] + +use core::num::NonZero; + +fn main() { + //~^ HELP consider importing this struct + let _x = NonZero::new(5u32).unwrap(); + //~^ ERROR failed to resolve: use of undeclared type `NonZero` +} + +#[allow(dead_code)] +#[cfg_attr(no_std, panic_handler)] +fn panic(_info: &core::panic::PanicInfo) -> ! { + loop {} +} diff --git a/tests/ui/suggestions/core-std-import-order-issue-83564.stderr b/tests/ui/suggestions/core-std-import-order-issue-83564.no_std.stderr similarity index 71% rename from tests/ui/suggestions/core-std-import-order-issue-83564.stderr rename to tests/ui/suggestions/core-std-import-order-issue-83564.no_std.stderr index 8665cc6d87cf..d73f613bf9c8 100644 --- a/tests/ui/suggestions/core-std-import-order-issue-83564.stderr +++ b/tests/ui/suggestions/core-std-import-order-issue-83564.no_std.stderr @@ -1,15 +1,13 @@ error[E0433]: failed to resolve: use of undeclared type `NonZero` - --> $DIR/core-std-import-order-issue-83564.rs:8:14 + --> $DIR/core-std-import-order-issue-83564.rs:12:14 | LL | let _x = NonZero::new(5u32).unwrap(); | ^^^^^^^ use of undeclared type `NonZero` | -help: consider importing one of these items +help: consider importing this struct | LL + use core::num::NonZero; | -LL + use std::num::NonZero; - | error: aborting due to 1 previous error diff --git a/tests/ui/suggestions/core-std-import-order-issue-83564.rs b/tests/ui/suggestions/core-std-import-order-issue-83564.rs index 6f2bdd7a38af..5bb5bfe176ba 100644 --- a/tests/ui/suggestions/core-std-import-order-issue-83564.rs +++ b/tests/ui/suggestions/core-std-import-order-issue-83564.rs @@ -2,9 +2,19 @@ // // This is a regression test for #83564. // For some reason, Rust 2018 or higher is required to reproduce the bug. +//@ run-rustfix +//@ revisions: no_std std +//@ [no_std]compile-flags: --cfg=no_std -C panic=abort +#![cfg_attr(no_std, no_std)] fn main() { - //~^ HELP consider importing one of these items + //~^ HELP consider importing this struct let _x = NonZero::new(5u32).unwrap(); //~^ ERROR failed to resolve: use of undeclared type `NonZero` } + +#[allow(dead_code)] +#[cfg_attr(no_std, panic_handler)] +fn panic(_info: &core::panic::PanicInfo) -> ! { + loop {} +} diff --git a/tests/ui/suggestions/core-std-import-order-issue-83564.std.fixed b/tests/ui/suggestions/core-std-import-order-issue-83564.std.fixed new file mode 100644 index 000000000000..3492b42c685f --- /dev/null +++ b/tests/ui/suggestions/core-std-import-order-issue-83564.std.fixed @@ -0,0 +1,22 @@ +//@ edition:2018 +// +// This is a regression test for #83564. +// For some reason, Rust 2018 or higher is required to reproduce the bug. +//@ run-rustfix +//@ revisions: no_std std +//@ [no_std]compile-flags: --cfg=no_std -C panic=abort +#![cfg_attr(no_std, no_std)] + +use std::num::NonZero; + +fn main() { + //~^ HELP consider importing this struct + let _x = NonZero::new(5u32).unwrap(); + //~^ ERROR failed to resolve: use of undeclared type `NonZero` +} + +#[allow(dead_code)] +#[cfg_attr(no_std, panic_handler)] +fn panic(_info: &core::panic::PanicInfo) -> ! { + loop {} +} diff --git a/tests/ui/suggestions/core-std-import-order-issue-83564.std.stderr b/tests/ui/suggestions/core-std-import-order-issue-83564.std.stderr new file mode 100644 index 000000000000..ebfe197b45d6 --- /dev/null +++ b/tests/ui/suggestions/core-std-import-order-issue-83564.std.stderr @@ -0,0 +1,14 @@ +error[E0433]: failed to resolve: use of undeclared type `NonZero` + --> $DIR/core-std-import-order-issue-83564.rs:12:14 + | +LL | let _x = NonZero::new(5u32).unwrap(); + | ^^^^^^^ use of undeclared type `NonZero` + | +help: consider importing this struct + | +LL + use std::num::NonZero; + | + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0433`. diff --git a/tests/ui/suggestions/crate-or-module-typo.stderr b/tests/ui/suggestions/crate-or-module-typo.stderr index 457d77906468..084d0408a8e7 100644 --- a/tests/ui/suggestions/crate-or-module-typo.stderr +++ b/tests/ui/suggestions/crate-or-module-typo.stderr @@ -30,9 +30,7 @@ help: there is a crate or module with a similar name | LL | bar: std::cell::Cell | ~~~ -help: consider importing one of these items - | -LL + use core::cell; +help: consider importing this module | LL + use std::cell; | diff --git a/tests/ui/suggestions/suggest-tryinto-edition-change.rs b/tests/ui/suggestions/suggest-tryinto-edition-change.rs index 373217748745..f45670ae7c1e 100644 --- a/tests/ui/suggestions/suggest-tryinto-edition-change.rs +++ b/tests/ui/suggestions/suggest-tryinto-edition-change.rs @@ -1,5 +1,5 @@ // Make sure that trying to access `TryInto`, `TryFrom`, `FromIterator` in pre-2021 mentions -// Edition 2021 change +// Edition 2021 change. //@ edition:2018 fn test() { @@ -11,19 +11,16 @@ fn test() { //~^ ERROR failed to resolve: use of undeclared type //~| NOTE use of undeclared type //~| NOTE 'std::convert::TryFrom' is included in the prelude starting in Edition 2021 - //~| NOTE 'core::convert::TryFrom' is included in the prelude starting in Edition 2021 let _i: i16 = TryInto::try_into(0_i32).unwrap(); //~^ ERROR failed to resolve: use of undeclared type //~| NOTE use of undeclared type //~| NOTE 'std::convert::TryInto' is included in the prelude starting in Edition 2021 - //~| NOTE 'core::convert::TryInto' is included in the prelude starting in Edition 2021 let _v: Vec<_> = FromIterator::from_iter(&[1]); //~^ ERROR failed to resolve: use of undeclared type //~| NOTE use of undeclared type //~| NOTE 'std::iter::FromIterator' is included in the prelude starting in Edition 2021 - //~| NOTE 'core::iter::FromIterator' is included in the prelude starting in Edition 2021 } fn main() { diff --git a/tests/ui/suggestions/suggest-tryinto-edition-change.stderr b/tests/ui/suggestions/suggest-tryinto-edition-change.stderr index db7c40101cdc..5be55f75cd15 100644 --- a/tests/ui/suggestions/suggest-tryinto-edition-change.stderr +++ b/tests/ui/suggestions/suggest-tryinto-edition-change.stderr @@ -4,45 +4,36 @@ error[E0433]: failed to resolve: use of undeclared type `TryFrom` LL | let _i: i16 = TryFrom::try_from(0_i32).unwrap(); | ^^^^^^^ use of undeclared type `TryFrom` | - = note: 'core::convert::TryFrom' is included in the prelude starting in Edition 2021 = note: 'std::convert::TryFrom' is included in the prelude starting in Edition 2021 -help: consider importing one of these items - | -LL + use core::convert::TryFrom; +help: consider importing this trait | LL + use std::convert::TryFrom; | error[E0433]: failed to resolve: use of undeclared type `TryInto` - --> $DIR/suggest-tryinto-edition-change.rs:16:19 + --> $DIR/suggest-tryinto-edition-change.rs:15:19 | LL | let _i: i16 = TryInto::try_into(0_i32).unwrap(); | ^^^^^^^ use of undeclared type `TryInto` | - = note: 'core::convert::TryInto' is included in the prelude starting in Edition 2021 = note: 'std::convert::TryInto' is included in the prelude starting in Edition 2021 -help: consider importing one of these items - | -LL + use core::convert::TryInto; +help: consider importing this trait | LL + use std::convert::TryInto; | error[E0433]: failed to resolve: use of undeclared type `FromIterator` - --> $DIR/suggest-tryinto-edition-change.rs:22:22 + --> $DIR/suggest-tryinto-edition-change.rs:20:22 | LL | let _v: Vec<_> = FromIterator::from_iter(&[1]); | ^^^^^^^^^^^^ use of undeclared type `FromIterator` | - = note: 'core::iter::FromIterator' is included in the prelude starting in Edition 2021 = note: 'std::iter::FromIterator' is included in the prelude starting in Edition 2021 help: a trait with a similar name exists | LL | let _v: Vec<_> = IntoIterator::from_iter(&[1]); | ~~~~~~~~~~~~ -help: consider importing one of these items - | -LL + use core::iter::FromIterator; +help: consider importing this trait | LL + use std::iter::FromIterator; | From 9e466d33613105b678fcb461df01b6dbc7cb179e Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Fri, 14 Jun 2024 00:49:05 +0200 Subject: [PATCH 1520/1716] Remove failing GUI test to stop blocking CI until it is fixed --- tests/rustdoc-gui/help-page.goml | 69 -------------------------------- 1 file changed, 69 deletions(-) delete mode 100644 tests/rustdoc-gui/help-page.goml diff --git a/tests/rustdoc-gui/help-page.goml b/tests/rustdoc-gui/help-page.goml deleted file mode 100644 index 09d33af139cd..000000000000 --- a/tests/rustdoc-gui/help-page.goml +++ /dev/null @@ -1,69 +0,0 @@ -// This test ensures that opening the help page in its own tab works. -include: "utils.goml" -go-to: "file://" + |DOC_PATH| + "/help.html" -set-window-size: (1000, 1000) // Try desktop size first. -wait-for: "#help" -assert-css: ("#help", {"display": "block"}) -assert-css: ("#help dd", {"font-size": "16px"}) -click: "#help-button > a" -assert-css: ("#help", {"display": "block"}) -compare-elements-property: (".sub", "#help", ["offsetWidth"]) -compare-elements-position: (".sub", "#help", ["x"]) -set-window-size: (500, 1000) // Try mobile next. -assert-css: ("#help", {"display": "block"}) -compare-elements-property: (".sub", "#help", ["offsetWidth"]) -compare-elements-position: (".sub", "#help", ["x"]) - -// Checking the color of the elements of the help menu. -show-text: true -define-function: ( - "check-colors", - [theme, color, background, box_shadow], - block { - call-function: ("switch-theme", {"theme": |theme|}) - assert-css: ("#help kbd", { - "color": |color|, - "background-color": |background|, - "box-shadow": |box_shadow| + " 0px -1px 0px 0px inset", - }, ALL) - }, -) - -call-function: ("check-colors", { - "theme": "ayu", - "color": "#c5c5c5", - "background": "#314559", - "box_shadow": "#5c6773", -}) -call-function: ("check-colors", { - "theme": "dark", - "color": "#000", - "background": "#fafbfc", - "box_shadow": "#c6cbd1", -}) -call-function: ("check-colors", { - "theme": "light", - "color": "#000", - "background": "#fafbfc", - "box_shadow": "#c6cbd1", -}) - -// This test ensures that opening the help popover without switching pages works. -go-to: "file://" + |DOC_PATH| + "/test_docs/index.html" -set-window-size: (1000, 1000) // Only supported on desktop. -assert-false: "#help" -click: "#help-button > a" -assert-css: ("#help", {"display": "block"}) -assert-css: ("#help dd", {"font-size": "16px"}) -click: "#help-button > a" -assert-css: ("#help", {"display": "none"}) -compare-elements-property-false: (".sub", "#help", ["offsetWidth"]) -compare-elements-position-false: (".sub", "#help", ["x"]) - -// This test ensures that the "the rustdoc book" anchor link within the help popover works. -go-to: "file://" + |DOC_PATH| + "/test_docs/index.html" -set-window-size: (1000, 1000) // Popover only appears when the screen width is >700px. -assert-false: "#help" -click: "#help-button > a" -click: "//*[@id='help']//a[text()='the rustdoc book']" -wait-for-document-property: ({"URL": "https://doc.rust-lang.org/"}, STARTS_WITH) From efbfcdd220a9f7ccdee235e0839e1848a554c4a5 Mon Sep 17 00:00:00 2001 From: Chris Denton Date: Fri, 14 Jun 2024 00:18:21 +0000 Subject: [PATCH 1521/1716] Fill out missing Windows support information --- src/doc/rustc/src/platform-support.md | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/src/doc/rustc/src/platform-support.md b/src/doc/rustc/src/platform-support.md index c672cff74526..e55bb3bd155b 100644 --- a/src/doc/rustc/src/platform-support.md +++ b/src/doc/rustc/src/platform-support.md @@ -259,7 +259,7 @@ target | std | host | notes [`aarch64-unknown-netbsd`](platform-support/netbsd.md) | ✓ | ✓ | ARM64 NetBSD [`aarch64-unknown-openbsd`](platform-support/openbsd.md) | ✓ | ✓ | ARM64 OpenBSD `aarch64-unknown-redox` | ? | | ARM64 Redox OS -`aarch64-uwp-windows-msvc` | ? | | +`aarch64-uwp-windows-msvc` | ✓ | | `aarch64-wrs-vxworks` | ? | | `aarch64_be-unknown-linux-gnu_ilp32` | ✓ | ✓ | ARM64 Linux (big-endian, ILP32 ABI) `aarch64_be-unknown-linux-gnu` | ✓ | ✓ | ARM64 Linux (big-endian) @@ -300,8 +300,8 @@ target | std | host | notes [`i686-unknown-hurd-gnu`](platform-support/hurd.md) | ✓ | ✓ | 32-bit GNU/Hurd [^x86_32-floats-return-ABI] [`i686-unknown-netbsd`](platform-support/netbsd.md) | ✓ | ✓ | NetBSD/i386 with SSE2 [^x86_32-floats-return-ABI] [`i686-unknown-openbsd`](platform-support/openbsd.md) | ✓ | ✓ | 32-bit OpenBSD [^x86_32-floats-return-ABI] -`i686-uwp-windows-gnu` | ? | | [^x86_32-floats-return-ABI] -`i686-uwp-windows-msvc` | ? | | [^x86_32-floats-return-ABI] +`i686-uwp-windows-gnu` | ✓ | | [^x86_32-floats-return-ABI] +`i686-uwp-windows-msvc` | ✓ | | [^x86_32-floats-return-ABI] [`i686-win7-windows-msvc`](platform-support/win7-windows-msvc.md) | ✓ | | 32-bit Windows 7 support [^x86_32-floats-return-ABI] `i686-wrs-vxworks` | ? | | [^x86_32-floats-return-ABI] [`loongarch64-unknown-linux-musl`](platform-support/loongarch-linux.md) | ? | | LoongArch64 Linux (LP64D ABI) with musl 1.2.3 @@ -362,7 +362,7 @@ target | std | host | notes [`sparc64-unknown-openbsd`](platform-support/openbsd.md) | ✓ | ✓ | OpenBSD/sparc64 [`thumbv4t-none-eabi`](platform-support/armv4t-none-eabi.md) | * | | Thumb-mode Bare Armv4T [`thumbv5te-none-eabi`](platform-support/armv5te-none-eabi.md) | * | | Thumb-mode Bare Armv5TE -`thumbv7a-pc-windows-msvc` | ? | | +`thumbv7a-pc-windows-msvc` | ✓ | | `thumbv7a-uwp-windows-msvc` | ✓ | | `thumbv7neon-unknown-linux-musleabihf` | ? | | Thumb2-mode Armv7-A Linux with NEON, musl 1.2.3 [`wasm32-wasip2`](platform-support/wasm32-wasip2.md) | ✓ | | WebAssembly From 4b82afb40c91fafdc9e4d84d4782573f848d84d9 Mon Sep 17 00:00:00 2001 From: Caio Date: Thu, 13 Jun 2024 22:12:26 -0300 Subject: [PATCH 1522/1716] Add a new concat metavar expr --- compiler/rustc_expand/src/mbe/metavar_expr.rs | 93 ++++++++++++++---- compiler/rustc_expand/src/mbe/quoted.rs | 25 ++++- compiler/rustc_expand/src/mbe/transcribe.rs | 54 ++++++++++- compiler/rustc_feature/src/unstable.rs | 2 + compiler/rustc_span/src/symbol.rs | 1 + .../feature-gate-macro-metavar-expr-concat.rs | 9 ++ ...ture-gate-macro-metavar-expr-concat.stderr | 13 +++ .../allowed-operations.rs | 58 +++++++++++ .../macro-metavar-expr-concat/hygiene.rs | 13 +++ .../macro-metavar-expr-concat/hygiene.stderr | 14 +++ .../raw-identifiers.rs | 81 ++++++++++++++++ .../raw-identifiers.stderr | 95 +++++++++++++++++++ .../syntax-errors.rs | 50 ++++++++++ .../syntax-errors.stderr | 68 +++++++++++++ .../syntax-errors.stderr | 4 +- 15 files changed, 551 insertions(+), 29 deletions(-) create mode 100644 tests/ui/feature-gates/feature-gate-macro-metavar-expr-concat.rs create mode 100644 tests/ui/feature-gates/feature-gate-macro-metavar-expr-concat.stderr create mode 100644 tests/ui/macros/macro-metavar-expr-concat/allowed-operations.rs create mode 100644 tests/ui/macros/macro-metavar-expr-concat/hygiene.rs create mode 100644 tests/ui/macros/macro-metavar-expr-concat/hygiene.stderr create mode 100644 tests/ui/macros/macro-metavar-expr-concat/raw-identifiers.rs create mode 100644 tests/ui/macros/macro-metavar-expr-concat/raw-identifiers.stderr create mode 100644 tests/ui/macros/macro-metavar-expr-concat/syntax-errors.rs create mode 100644 tests/ui/macros/macro-metavar-expr-concat/syntax-errors.stderr diff --git a/compiler/rustc_expand/src/mbe/metavar_expr.rs b/compiler/rustc_expand/src/mbe/metavar_expr.rs index 128e9f48ff57..3295a91029ea 100644 --- a/compiler/rustc_expand/src/mbe/metavar_expr.rs +++ b/compiler/rustc_expand/src/mbe/metavar_expr.rs @@ -8,9 +8,14 @@ use rustc_session::parse::ParseSess; use rustc_span::symbol::Ident; use rustc_span::Span; +pub(crate) const RAW_IDENT_ERR: &str = "`${concat(..)}` currently does not support raw identifiers"; + /// A meta-variable expression, for expansions based on properties of meta-variables. -#[derive(Debug, Clone, PartialEq, Encodable, Decodable)] +#[derive(Debug, PartialEq, Encodable, Decodable)] pub(crate) enum MetaVarExpr { + /// Unification of two or more identifiers. + Concat(Box<[MetaVarExprConcatElem]>), + /// The number of repetitions of an identifier. Count(Ident, usize), @@ -42,6 +47,31 @@ impl MetaVarExpr { check_trailing_token(&mut tts, psess)?; let mut iter = args.trees(); let rslt = match ident.as_str() { + "concat" => { + let mut result = Vec::new(); + loop { + let is_var = try_eat_dollar(&mut iter); + let element_ident = parse_ident(&mut iter, psess, outer_span)?; + let element = if is_var { + MetaVarExprConcatElem::Var(element_ident) + } else { + MetaVarExprConcatElem::Ident(element_ident) + }; + result.push(element); + if iter.look_ahead(0).is_none() { + break; + } + if !try_eat_comma(&mut iter) { + return Err(psess.dcx.struct_span_err(outer_span, "expected comma")); + } + } + if result.len() < 2 { + return Err(psess + .dcx + .struct_span_err(ident.span, "`concat` must have at least two elements")); + } + MetaVarExpr::Concat(result.into()) + } "count" => parse_count(&mut iter, psess, ident.span)?, "ignore" => { eat_dollar(&mut iter, psess, ident.span)?; @@ -68,11 +98,21 @@ impl MetaVarExpr { pub(crate) fn ident(&self) -> Option { match *self { MetaVarExpr::Count(ident, _) | MetaVarExpr::Ignore(ident) => Some(ident), - MetaVarExpr::Index(..) | MetaVarExpr::Len(..) => None, + MetaVarExpr::Concat { .. } | MetaVarExpr::Index(..) | MetaVarExpr::Len(..) => None, } } } +#[derive(Debug, Decodable, Encodable, PartialEq)] +pub(crate) enum MetaVarExprConcatElem { + /// There is NO preceding dollar sign, which means that this identifier should be interpreted + /// as a literal. + Ident(Ident), + /// There is a preceding dollar sign, which means that this identifier should be expanded + /// and interpreted as a variable. + Var(Ident), +} + // Checks if there are any remaining tokens. For example, `${ignore(ident ... a b c ...)}` fn check_trailing_token<'psess>( iter: &mut RefTokenTreeCursor<'_>, @@ -138,26 +178,30 @@ fn parse_depth<'psess>( fn parse_ident<'psess>( iter: &mut RefTokenTreeCursor<'_>, psess: &'psess ParseSess, - span: Span, + fallback_span: Span, ) -> PResult<'psess, Ident> { - if let Some(tt) = iter.next() - && let TokenTree::Token(token, _) = tt - { - if let Some((elem, IdentIsRaw::No)) = token.ident() { - return Ok(elem); + let Some(tt) = iter.next() else { + return Err(psess.dcx.struct_span_err(fallback_span, "expected identifier")); + }; + let TokenTree::Token(token, _) = tt else { + return Err(psess.dcx.struct_span_err(tt.span(), "expected identifier")); + }; + if let Some((elem, is_raw)) = token.ident() { + if let IdentIsRaw::Yes = is_raw { + return Err(psess.dcx.struct_span_err(elem.span, RAW_IDENT_ERR)); } - let token_str = pprust::token_to_string(token); - let mut err = - psess.dcx.struct_span_err(span, format!("expected identifier, found `{}`", &token_str)); - err.span_suggestion( - token.span, - format!("try removing `{}`", &token_str), - "", - Applicability::MaybeIncorrect, - ); - return Err(err); + return Ok(elem); } - Err(psess.dcx.struct_span_err(span, "expected identifier")) + let token_str = pprust::token_to_string(token); + let mut err = + psess.dcx.struct_span_err(token.span, format!("expected identifier, found `{token_str}`")); + err.span_suggestion( + token.span, + format!("try removing `{token_str}`"), + "", + Applicability::MaybeIncorrect, + ); + Err(err) } /// Tries to move the iterator forward returning `true` if there is a comma. If not, then the @@ -170,6 +214,17 @@ fn try_eat_comma(iter: &mut RefTokenTreeCursor<'_>) -> bool { false } +/// Tries to move the iterator forward returning `true` if there is a dollar sign. If not, then the +/// iterator is not modified and the result is `false`. +fn try_eat_dollar(iter: &mut RefTokenTreeCursor<'_>) -> bool { + if let Some(TokenTree::Token(token::Token { kind: token::Dollar, .. }, _)) = iter.look_ahead(0) + { + let _ = iter.next(); + return true; + } + false +} + /// Expects that the next item is a dollar sign. fn eat_dollar<'psess>( iter: &mut RefTokenTreeCursor<'_>, diff --git a/compiler/rustc_expand/src/mbe/quoted.rs b/compiler/rustc_expand/src/mbe/quoted.rs index 8ad7cb15c92a..74f78c0ef785 100644 --- a/compiler/rustc_expand/src/mbe/quoted.rs +++ b/compiler/rustc_expand/src/mbe/quoted.rs @@ -155,6 +155,13 @@ fn maybe_emit_macro_metavar_expr_feature(features: &Features, sess: &Session, sp } } +fn maybe_emit_macro_metavar_expr_concat_feature(features: &Features, sess: &Session, span: Span) { + if !features.macro_metavar_expr_concat { + let msg = "the `concat` meta-variable expression is unstable"; + feature_err(sess, sym::macro_metavar_expr_concat, span, msg).emit(); + } +} + /// Takes a `tokenstream::TokenTree` and returns a `self::TokenTree`. Specifically, this takes a /// generic `TokenTree`, such as is used in the rest of the compiler, and returns a `TokenTree` /// for use in parsing a macro. @@ -217,11 +224,19 @@ fn parse_tree<'a>( return TokenTree::token(token::Dollar, dollar_span); } Ok(elem) => { - maybe_emit_macro_metavar_expr_feature( - features, - sess, - delim_span.entire(), - ); + if let MetaVarExpr::Concat(_) = elem { + maybe_emit_macro_metavar_expr_concat_feature( + features, + sess, + delim_span.entire(), + ); + } else { + maybe_emit_macro_metavar_expr_feature( + features, + sess, + delim_span.entire(), + ); + } return TokenTree::MetaVarExpr(delim_span, elem); } } diff --git a/compiler/rustc_expand/src/mbe/transcribe.rs b/compiler/rustc_expand/src/mbe/transcribe.rs index 25e961d60090..445255e933d2 100644 --- a/compiler/rustc_expand/src/mbe/transcribe.rs +++ b/compiler/rustc_expand/src/mbe/transcribe.rs @@ -3,18 +3,19 @@ use crate::errors::{ NoSyntaxVarsExprRepeat, VarStillRepeating, }; use crate::mbe::macro_parser::{NamedMatch, NamedMatch::*}; +use crate::mbe::metavar_expr::{MetaVarExprConcatElem, RAW_IDENT_ERR}; use crate::mbe::{self, KleeneOp, MetaVarExpr}; use rustc_ast::mut_visit::{self, MutVisitor}; +use rustc_ast::token::IdentIsRaw; use rustc_ast::token::{self, Delimiter, Token, TokenKind}; use rustc_ast::tokenstream::{DelimSpacing, DelimSpan, Spacing, TokenStream, TokenTree}; use rustc_data_structures::fx::FxHashMap; use rustc_errors::{pluralize, Diag, DiagCtxt, PResult}; use rustc_parse::parser::ParseNtResult; +use rustc_session::parse::ParseSess; use rustc_span::hygiene::{LocalExpnId, Transparency}; use rustc_span::symbol::{sym, Ident, MacroRulesNormalizedIdent}; -use rustc_span::{with_metavar_spans, Span, SyntaxContext}; - -use rustc_session::parse::ParseSess; +use rustc_span::{with_metavar_spans, Span, Symbol, SyntaxContext}; use smallvec::{smallvec, SmallVec}; use std::mem; @@ -675,6 +676,23 @@ fn transcribe_metavar_expr<'a>( span }; match *expr { + MetaVarExpr::Concat(ref elements) => { + let mut concatenated = String::new(); + for element in elements.into_iter() { + let string = match element { + MetaVarExprConcatElem::Ident(ident) => ident.to_string(), + MetaVarExprConcatElem::Var(ident) => extract_ident(dcx, *ident, interp)?, + }; + concatenated.push_str(&string); + } + // The current implementation marks the span as coming from the macro regardless of + // contexts of the concatenated identifiers but this behavior may change in the + // future. + result.push(TokenTree::Token( + Token::from_ast_ident(Ident::new(Symbol::intern(&concatenated), visited_span())), + Spacing::Alone, + )); + } MetaVarExpr::Count(original_ident, depth) => { let matched = matched_from_ident(dcx, original_ident, interp)?; let count = count_repetitions(dcx, depth, matched, repeats, sp)?; @@ -709,3 +727,33 @@ fn transcribe_metavar_expr<'a>( } Ok(()) } + +/// Extracts an identifier that can be originated from a `$var:ident` variable or from a token tree. +fn extract_ident<'a>( + dcx: &'a DiagCtxt, + ident: Ident, + interp: &FxHashMap, +) -> PResult<'a, String> { + if let NamedMatch::MatchedSingle(pnr) = matched_from_ident(dcx, ident, interp)? { + if let ParseNtResult::Ident(nt_ident, is_raw) = pnr { + if let IdentIsRaw::Yes = is_raw { + return Err(dcx.struct_span_err(ident.span, RAW_IDENT_ERR)); + } + return Ok(nt_ident.to_string()); + } + if let ParseNtResult::Tt(TokenTree::Token( + Token { kind: TokenKind::Ident(token_ident, is_raw), .. }, + _, + )) = pnr + { + if let IdentIsRaw::Yes = is_raw { + return Err(dcx.struct_span_err(ident.span, RAW_IDENT_ERR)); + } + return Ok(token_ident.to_string()); + } + } + Err(dcx.struct_span_err( + ident.span, + "`${concat(..)}` currently only accepts identifiers or meta-variables as parameters", + )) +} diff --git a/compiler/rustc_feature/src/unstable.rs b/compiler/rustc_feature/src/unstable.rs index 2410019868a1..ebe6aff8d13b 100644 --- a/compiler/rustc_feature/src/unstable.rs +++ b/compiler/rustc_feature/src/unstable.rs @@ -516,6 +516,8 @@ declare_features! ( (unstable, lint_reasons, "1.31.0", Some(54503)), /// Give access to additional metadata about declarative macro meta-variables. (unstable, macro_metavar_expr, "1.61.0", Some(83527)), + /// Provides a way to concatenate identifiers using metavariable expressions. + (unstable, macro_metavar_expr_concat, "CURRENT_RUSTC_VERSION", Some(124225)), /// Allows `#[marker]` on certain traits allowing overlapping implementations. (unstable, marker_trait_attr, "1.30.0", Some(29864)), /// Allows exhaustive pattern matching on types that contain uninhabited types in cases that are diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index e245dfb9f5d7..bc1c1eca942e 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -1116,6 +1116,7 @@ symbols! { macro_lifetime_matcher, macro_literal_matcher, macro_metavar_expr, + macro_metavar_expr_concat, macro_reexport, macro_use, macro_vis_matcher, diff --git a/tests/ui/feature-gates/feature-gate-macro-metavar-expr-concat.rs b/tests/ui/feature-gates/feature-gate-macro-metavar-expr-concat.rs new file mode 100644 index 000000000000..e700999ae4bd --- /dev/null +++ b/tests/ui/feature-gates/feature-gate-macro-metavar-expr-concat.rs @@ -0,0 +1,9 @@ +macro_rules! join { + ($lhs:ident, $rhs:ident) => { + let ${concat($lhs, $rhs)}: () = (); + //~^ ERROR the `concat` meta-variable expression is unstable + }; +} + +fn main() { +} diff --git a/tests/ui/feature-gates/feature-gate-macro-metavar-expr-concat.stderr b/tests/ui/feature-gates/feature-gate-macro-metavar-expr-concat.stderr new file mode 100644 index 000000000000..5b2589d8c89b --- /dev/null +++ b/tests/ui/feature-gates/feature-gate-macro-metavar-expr-concat.stderr @@ -0,0 +1,13 @@ +error[E0658]: the `concat` meta-variable expression is unstable + --> $DIR/feature-gate-macro-metavar-expr-concat.rs:3:14 + | +LL | let ${concat($lhs, $rhs)}: () = (); + | ^^^^^^^^^^^^^^^^^^^^ + | + = note: see issue #124225 for more information + = help: add `#![feature(macro_metavar_expr_concat)]` to the crate attributes to enable + = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0658`. diff --git a/tests/ui/macros/macro-metavar-expr-concat/allowed-operations.rs b/tests/ui/macros/macro-metavar-expr-concat/allowed-operations.rs new file mode 100644 index 000000000000..e44eeffb01be --- /dev/null +++ b/tests/ui/macros/macro-metavar-expr-concat/allowed-operations.rs @@ -0,0 +1,58 @@ +//@ run-pass + +#![allow(dead_code, non_camel_case_types, non_upper_case_globals)] +#![feature(macro_metavar_expr_concat)] + +macro_rules! create_things { + ($lhs:ident) => { + struct ${concat($lhs, _separated_idents_in_a_struct)} { + foo: i32, + ${concat($lhs, _separated_idents_in_a_field)}: i32, + } + + mod ${concat($lhs, _separated_idents_in_a_module)} { + pub const FOO: () = (); + } + + fn ${concat($lhs, _separated_idents_in_a_fn)}() {} + }; +} + +macro_rules! many_idents { + ($a:ident, $c:ident) => { + const ${concat($a, B, $c, D)}: i32 = 1; + }; +} + +macro_rules! valid_tts { + ($_0:tt, $_1:tt) => { + const ${concat($_0, $_1)}: i32 = 1; + } +} + +macro_rules! without_dollar_sign_is_an_ident { + ($ident:ident) => { + const ${concat(VAR, ident)}: i32 = 1; + const ${concat(VAR, $ident)}: i32 = 2; + }; +} + +fn main() { + create_things!(behold); + behold_separated_idents_in_a_fn(); + let _ = behold_separated_idents_in_a_module::FOO; + let _ = behold_separated_idents_in_a_struct { + foo: 1, + behold_separated_idents_in_a_field: 2, + }; + + many_idents!(A, C); + assert_eq!(ABCD, 1); + + valid_tts!(X, YZ); + assert_eq!(XYZ, 1); + + without_dollar_sign_is_an_ident!(_123); + assert_eq!(VARident, 1); + assert_eq!(VAR_123, 2); +} diff --git a/tests/ui/macros/macro-metavar-expr-concat/hygiene.rs b/tests/ui/macros/macro-metavar-expr-concat/hygiene.rs new file mode 100644 index 000000000000..24b0e36498a3 --- /dev/null +++ b/tests/ui/macros/macro-metavar-expr-concat/hygiene.rs @@ -0,0 +1,13 @@ +#![feature(macro_metavar_expr_concat)] + +macro_rules! join { + ($lhs:ident, $rhs:ident) => { + ${concat($lhs, $rhs)} + //~^ ERROR cannot find value `abcdef` in this scope + }; +} + +fn main() { + let abcdef = 1; + let _another = join!(abc, def); +} diff --git a/tests/ui/macros/macro-metavar-expr-concat/hygiene.stderr b/tests/ui/macros/macro-metavar-expr-concat/hygiene.stderr new file mode 100644 index 000000000000..ef2326dce857 --- /dev/null +++ b/tests/ui/macros/macro-metavar-expr-concat/hygiene.stderr @@ -0,0 +1,14 @@ +error[E0425]: cannot find value `abcdef` in this scope + --> $DIR/hygiene.rs:5:10 + | +LL | ${concat($lhs, $rhs)} + | ^^^^^^^^^^^^^^^^^^^^ not found in this scope +... +LL | let _another = join!(abc, def); + | --------------- in this macro invocation + | + = note: this error originates in the macro `join` (in Nightly builds, run with -Z macro-backtrace for more info) + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0425`. diff --git a/tests/ui/macros/macro-metavar-expr-concat/raw-identifiers.rs b/tests/ui/macros/macro-metavar-expr-concat/raw-identifiers.rs new file mode 100644 index 000000000000..f72b9baca89f --- /dev/null +++ b/tests/ui/macros/macro-metavar-expr-concat/raw-identifiers.rs @@ -0,0 +1,81 @@ +#![feature(macro_metavar_expr_concat)] + +macro_rules! idents_01 { + ($rhs:ident) => { + let ${concat(abc, $rhs)}: () = (); + //~^ ERROR `${concat(..)}` currently does not support raw identifiers + }; +} + +macro_rules! idents_10 { + ($lhs:ident) => { + let ${concat($lhs, abc)}: () = (); + //~^ ERROR `${concat(..)}` currently does not support raw identifiers + }; +} + +macro_rules! idents_11 { + ($lhs:ident, $rhs:ident) => { + let ${concat($lhs, $rhs)}: () = (); + //~^ ERROR `${concat(..)}` currently does not support raw identifiers + //~| ERROR `${concat(..)}` currently does not support raw identifiers + //~| ERROR `${concat(..)}` currently does not support raw identifiers + }; +} + +macro_rules! no_params { + () => { + let ${concat(r#abc, abc)}: () = (); + //~^ ERROR `${concat(..)}` currently does not support raw identifiers + //~| ERROR expected pattern, found `$` + + let ${concat(abc, r#abc)}: () = (); + //~^ ERROR `${concat(..)}` currently does not support raw identifiers + + let ${concat(r#abc, r#abc)}: () = (); + //~^ ERROR `${concat(..)}` currently does not support raw identifiers + }; +} + +macro_rules! tts_01 { + ($rhs:tt) => { + let ${concat(abc, $rhs)}: () = (); + //~^ ERROR `${concat(..)}` currently does not support raw identifiers + }; +} + +macro_rules! tts_10 { + ($lhs:tt) => { + let ${concat($lhs, abc)}: () = (); + //~^ ERROR `${concat(..)}` currently does not support raw identifiers + }; +} + +macro_rules! tts_11 { + ($lhs:tt, $rhs:tt) => { + let ${concat($lhs, $rhs)}: () = (); + //~^ ERROR `${concat(..)}` currently does not support raw identifiers + //~| ERROR `${concat(..)}` currently does not support raw identifiers + //~| ERROR `${concat(..)}` currently does not support raw identifiers + }; +} + +fn main() { + idents_01!(r#_c); + + idents_10!(r#_c); + + idents_11!(r#_c, d); + idents_11!(_e, r#f); + idents_11!(r#_g, r#h); + + tts_01!(r#_c); + + tts_10!(r#_c); + + tts_11!(r#_c, d); + tts_11!(_e, r#f); + tts_11!(r#_g, r#h); + + no_params!(); +} diff --git a/tests/ui/macros/macro-metavar-expr-concat/raw-identifiers.stderr b/tests/ui/macros/macro-metavar-expr-concat/raw-identifiers.stderr new file mode 100644 index 000000000000..dd525cf0801b --- /dev/null +++ b/tests/ui/macros/macro-metavar-expr-concat/raw-identifiers.stderr @@ -0,0 +1,95 @@ +error: `${concat(..)}` currently does not support raw identifiers + --> $DIR/raw-identifiers.rs:28:22 + | +LL | let ${concat(r#abc, abc)}: () = (); + | ^^^^^ + +error: `${concat(..)}` currently does not support raw identifiers + --> $DIR/raw-identifiers.rs:32:27 + | +LL | let ${concat(abc, r#abc)}: () = (); + | ^^^^^ + +error: `${concat(..)}` currently does not support raw identifiers + --> $DIR/raw-identifiers.rs:35:22 + | +LL | let ${concat(r#abc, r#abc)}: () = (); + | ^^^^^ + +error: `${concat(..)}` currently does not support raw identifiers + --> $DIR/raw-identifiers.rs:5:28 + | +LL | let ${concat(abc, $rhs)}: () = (); + | ^^^ + +error: `${concat(..)}` currently does not support raw identifiers + --> $DIR/raw-identifiers.rs:12:23 + | +LL | let ${concat($lhs, abc)}: () = (); + | ^^^ + +error: `${concat(..)}` currently does not support raw identifiers + --> $DIR/raw-identifiers.rs:19:23 + | +LL | let ${concat($lhs, $rhs)}: () = (); + | ^^^ + +error: `${concat(..)}` currently does not support raw identifiers + --> $DIR/raw-identifiers.rs:19:29 + | +LL | let ${concat($lhs, $rhs)}: () = (); + | ^^^ + +error: `${concat(..)}` currently does not support raw identifiers + --> $DIR/raw-identifiers.rs:19:23 + | +LL | let ${concat($lhs, $rhs)}: () = (); + | ^^^ + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: `${concat(..)}` currently does not support raw identifiers + --> $DIR/raw-identifiers.rs:42:28 + | +LL | let ${concat(abc, $rhs)}: () = (); + | ^^^ + +error: `${concat(..)}` currently does not support raw identifiers + --> $DIR/raw-identifiers.rs:49:23 + | +LL | let ${concat($lhs, abc)}: () = (); + | ^^^ + +error: `${concat(..)}` currently does not support raw identifiers + --> $DIR/raw-identifiers.rs:56:23 + | +LL | let ${concat($lhs, $rhs)}: () = (); + | ^^^ + +error: `${concat(..)}` currently does not support raw identifiers + --> $DIR/raw-identifiers.rs:56:29 + | +LL | let ${concat($lhs, $rhs)}: () = (); + | ^^^ + +error: `${concat(..)}` currently does not support raw identifiers + --> $DIR/raw-identifiers.rs:56:23 + | +LL | let ${concat($lhs, $rhs)}: () = (); + | ^^^ + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: expected pattern, found `$` + --> $DIR/raw-identifiers.rs:28:13 + | +LL | let ${concat(r#abc, abc)}: () = (); + | ^ expected pattern +... +LL | no_params!(); + | ------------ in this macro invocation + | + = note: this error originates in the macro `no_params` (in Nightly builds, run with -Z macro-backtrace for more info) + +error: aborting due to 14 previous errors + diff --git a/tests/ui/macros/macro-metavar-expr-concat/syntax-errors.rs b/tests/ui/macros/macro-metavar-expr-concat/syntax-errors.rs new file mode 100644 index 000000000000..bf47442ea76f --- /dev/null +++ b/tests/ui/macros/macro-metavar-expr-concat/syntax-errors.rs @@ -0,0 +1,50 @@ +#![feature(macro_metavar_expr_concat)] + +macro_rules! wrong_concat_declarations { + ($ex:expr) => { + ${concat()} + //~^ ERROR expected identifier + + ${concat(aaaa)} + //~^ ERROR `concat` must have at least two elements + + ${concat(aaaa,)} + //~^ ERROR expected identifier + + ${concat(aaaa, 1)} + //~^ ERROR expected identifier + + ${concat(_, aaaa)} + + ${concat(aaaa aaaa)} + //~^ ERROR expected comma + + ${concat($ex)} + //~^ ERROR `concat` must have at least two elements + + ${concat($ex, aaaa)} + //~^ ERROR `${concat(..)}` currently only accepts identifiers + + ${concat($ex, aaaa 123)} + //~^ ERROR expected comma + + ${concat($ex, aaaa,)} + //~^ ERROR expected identifier + + ${concat($ex, aaaa, 123)} + //~^ ERROR expected identifier + }; +} + +macro_rules! dollar_sign_without_referenced_ident { + ($ident:ident) => { + const ${concat(FOO, $foo)}: i32 = 2; + //~^ ERROR variable `foo` is not recognized in meta-variable expression + }; +} + +fn main() { + wrong_concat_declarations!(1); + + dollar_sign_without_referenced_ident!(VAR); +} diff --git a/tests/ui/macros/macro-metavar-expr-concat/syntax-errors.stderr b/tests/ui/macros/macro-metavar-expr-concat/syntax-errors.stderr new file mode 100644 index 000000000000..b216a86d59ab --- /dev/null +++ b/tests/ui/macros/macro-metavar-expr-concat/syntax-errors.stderr @@ -0,0 +1,68 @@ +error: expected identifier + --> $DIR/syntax-errors.rs:5:10 + | +LL | ${concat()} + | ^^^^^^^^^^ + +error: `concat` must have at least two elements + --> $DIR/syntax-errors.rs:8:11 + | +LL | ${concat(aaaa)} + | ^^^^^^ + +error: expected identifier + --> $DIR/syntax-errors.rs:11:10 + | +LL | ${concat(aaaa,)} + | ^^^^^^^^^^^^^^^ + +error: expected identifier, found `1` + --> $DIR/syntax-errors.rs:14:24 + | +LL | ${concat(aaaa, 1)} + | ^ help: try removing `1` + +error: expected comma + --> $DIR/syntax-errors.rs:19:10 + | +LL | ${concat(aaaa aaaa)} + | ^^^^^^^^^^^^^^^^^^^ + +error: `concat` must have at least two elements + --> $DIR/syntax-errors.rs:22:11 + | +LL | ${concat($ex)} + | ^^^^^^ + +error: expected comma + --> $DIR/syntax-errors.rs:28:10 + | +LL | ${concat($ex, aaaa 123)} + | ^^^^^^^^^^^^^^^^^^^^^^^ + +error: expected identifier + --> $DIR/syntax-errors.rs:31:10 + | +LL | ${concat($ex, aaaa,)} + | ^^^^^^^^^^^^^^^^^^^^ + +error: expected identifier, found `123` + --> $DIR/syntax-errors.rs:34:29 + | +LL | ${concat($ex, aaaa, 123)} + | ^^^ help: try removing `123` + +error: `${concat(..)}` currently only accepts identifiers or meta-variables as parameters + --> $DIR/syntax-errors.rs:25:19 + | +LL | ${concat($ex, aaaa)} + | ^^ + +error: variable `foo` is not recognized in meta-variable expression + --> $DIR/syntax-errors.rs:41:30 + | +LL | const ${concat(FOO, $foo)}: i32 = 2; + | ^^^ + +error: aborting due to 11 previous errors + diff --git a/tests/ui/macros/rfc-3086-metavar-expr/syntax-errors.stderr b/tests/ui/macros/rfc-3086-metavar-expr/syntax-errors.stderr index 3fa3839bae2e..8e4ba192d79f 100644 --- a/tests/ui/macros/rfc-3086-metavar-expr/syntax-errors.stderr +++ b/tests/ui/macros/rfc-3086-metavar-expr/syntax-errors.stderr @@ -191,10 +191,10 @@ LL | ( $( $i:ident ),* ) => { ${ aaaaaaaaaaaaaa(i) } }; | ^^^^^^^^^^^^^^ help: supported expressions are count, ignore, index and len error: expected identifier - --> $DIR/syntax-errors.rs:118:31 + --> $DIR/syntax-errors.rs:118:33 | LL | ( $( $i:ident ),* ) => { ${ {} } }; - | ^^^^^^ + | ^^ error: `count` can not be placed inside the inner-most repetition --> $DIR/syntax-errors.rs:12:24 From fdd90db5283467d4d4539b17367005af732ab5ba Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Wed, 12 Jun 2024 21:42:46 -0400 Subject: [PATCH 1523/1716] Point out exactly what obligation will fail --- compiler/rustc_hir_typeck/messages.ftl | 1 + compiler/rustc_hir_typeck/src/errors.rs | 8 ++++++-- compiler/rustc_hir_typeck/src/fallback.rs | 12 ++++++++---- tests/ui/delegation/not-supported.stderr | 10 ++++++++++ .../never-type-fallback-breaking.e2021.stderr | 10 ++++++++++ .../defaulted-never-note.nofallback.stderr | 5 +++++ .../never_type/dependency-on-fallback-to-unit.stderr | 10 ++++++++++ ...diverging-fallback-control-flow.nofallback.stderr | 10 ++++++++++ .../diverging-fallback-no-leak.nofallback.stderr | 5 +++++ ...g-fallback-unconstrained-return.nofallback.stderr | 5 +++++ .../fallback-closure-ret.nofallback.stderr | 5 +++++ tests/ui/never_type/impl_trait_fallback.stderr | 5 +++++ 12 files changed, 80 insertions(+), 6 deletions(-) diff --git a/compiler/rustc_hir_typeck/messages.ftl b/compiler/rustc_hir_typeck/messages.ftl index 3ab319a037b4..d6f3f4d640bd 100644 --- a/compiler/rustc_hir_typeck/messages.ftl +++ b/compiler/rustc_hir_typeck/messages.ftl @@ -45,6 +45,7 @@ hir_typeck_convert_using_method = try using `{$sugg}` to convert `{$found}` to ` hir_typeck_ctor_is_private = tuple struct constructor `{$def}` is private hir_typeck_dependency_on_unit_never_type_fallback = this function depends on never type fallback being `()` + .note = in edition 2024, the requirement `{$obligation}` will fail .help = specify the types explicitly hir_typeck_deref_is_empty = this expression `Deref`s to `{$deref_ty}` which implements `is_empty` diff --git a/compiler/rustc_hir_typeck/src/errors.rs b/compiler/rustc_hir_typeck/src/errors.rs index 6dd34024fd1d..24f039b8e90b 100644 --- a/compiler/rustc_hir_typeck/src/errors.rs +++ b/compiler/rustc_hir_typeck/src/errors.rs @@ -7,7 +7,7 @@ use rustc_errors::{ SubdiagMessageOp, Subdiagnostic, }; use rustc_macros::{Diagnostic, LintDiagnostic, Subdiagnostic}; -use rustc_middle::ty::Ty; +use rustc_middle::ty::{self, Ty}; use rustc_span::{ edition::{Edition, LATEST_STABLE_EDITION}, symbol::Ident, @@ -186,7 +186,11 @@ pub enum NeverTypeFallbackFlowingIntoUnsafe { #[derive(LintDiagnostic)] #[help] #[diag(hir_typeck_dependency_on_unit_never_type_fallback)] -pub struct DependencyOnUnitNeverTypeFallback {} +pub struct DependencyOnUnitNeverTypeFallback<'tcx> { + #[note] + pub obligation_span: Span, + pub obligation: ty::Predicate<'tcx>, +} #[derive(Subdiagnostic)] #[multipart_suggestion( diff --git a/compiler/rustc_hir_typeck/src/fallback.rs b/compiler/rustc_hir_typeck/src/fallback.rs index b7937f458b33..3cecbfd42757 100644 --- a/compiler/rustc_hir_typeck/src/fallback.rs +++ b/compiler/rustc_hir_typeck/src/fallback.rs @@ -488,7 +488,7 @@ impl<'tcx> FnCtxt<'_, 'tcx> { let remaining_errors_if_fallback_to = |fallback| { self.probe(|_| { let obligations = self.fulfillment_cx.borrow().pending_obligations(); - let ocx = ObligationCtxt::new(&self.infcx); + let ocx = ObligationCtxt::new_with_diagnostics(&self.infcx); ocx.register_obligations(obligations.iter().cloned()); for &diverging_vid in diverging_vids { @@ -506,14 +506,18 @@ impl<'tcx> FnCtxt<'_, 'tcx> { // then this code will be broken by the never type fallback change.qba let unit_errors = remaining_errors_if_fallback_to(self.tcx.types.unit); if unit_errors.is_empty() - && let never_errors = remaining_errors_if_fallback_to(self.tcx.types.never) - && !never_errors.is_empty() + && let mut never_errors = remaining_errors_if_fallback_to(self.tcx.types.never) + && let [ref mut never_error, ..] = never_errors.as_mut_slice() { + self.adjust_fulfillment_error_for_expr_obligation(never_error); self.tcx.emit_node_span_lint( lint::builtin::DEPENDENCY_ON_UNIT_NEVER_TYPE_FALLBACK, self.tcx.local_def_id_to_hir_id(self.body_id), self.tcx.def_span(self.body_id), - errors::DependencyOnUnitNeverTypeFallback {}, + errors::DependencyOnUnitNeverTypeFallback { + obligation_span: never_error.obligation.cause.span, + obligation: never_error.obligation.predicate, + }, ) } } diff --git a/tests/ui/delegation/not-supported.stderr b/tests/ui/delegation/not-supported.stderr index 339a8418b33a..4ce01fd5d882 100644 --- a/tests/ui/delegation/not-supported.stderr +++ b/tests/ui/delegation/not-supported.stderr @@ -124,6 +124,11 @@ LL | fn opaque_ret() -> impl Trait { unimplemented!() } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #123748 = help: specify the types explicitly +note: in edition 2024, the requirement `!: opaque::Trait` will fail + --> $DIR/not-supported.rs:80:28 + | +LL | fn opaque_ret() -> impl Trait { unimplemented!() } + | ^^^^^^^^^^ = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default error[E0391]: cycle detected when computing type of `opaque::::{synthetic#0}` @@ -154,6 +159,11 @@ LL | pub fn opaque_ret() -> impl Trait { unimplemented!() } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #123748 = help: specify the types explicitly +note: in edition 2024, the requirement `!: opaque::Trait` will fail + --> $DIR/not-supported.rs:72:32 + | +LL | pub fn opaque_ret() -> impl Trait { unimplemented!() } + | ^^^^^^^^^^ error[E0391]: cycle detected when computing type of `opaque::::{synthetic#0}` --> $DIR/not-supported.rs:90:24 diff --git a/tests/ui/editions/never-type-fallback-breaking.e2021.stderr b/tests/ui/editions/never-type-fallback-breaking.e2021.stderr index 92c233a0d9cf..134fd098b7e4 100644 --- a/tests/ui/editions/never-type-fallback-breaking.e2021.stderr +++ b/tests/ui/editions/never-type-fallback-breaking.e2021.stderr @@ -7,6 +7,11 @@ LL | fn m() { = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #123748 = help: specify the types explicitly +note: in edition 2024, the requirement `!: Default` will fail + --> $DIR/never-type-fallback-breaking.rs:19:17 + | +LL | true => Default::default(), + | ^^^^^^^^^^^^^^^^^^ = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default warning: this function depends on never type fallback being `()` @@ -18,6 +23,11 @@ LL | fn q() -> Option<()> { = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #123748 = help: specify the types explicitly +note: in edition 2024, the requirement `!: Default` will fail + --> $DIR/never-type-fallback-breaking.rs:34:5 + | +LL | deserialize()?; + | ^^^^^^^^^^^^^ warning: 2 warnings emitted diff --git a/tests/ui/never_type/defaulted-never-note.nofallback.stderr b/tests/ui/never_type/defaulted-never-note.nofallback.stderr index b69b8dda8f1e..d88615186dd6 100644 --- a/tests/ui/never_type/defaulted-never-note.nofallback.stderr +++ b/tests/ui/never_type/defaulted-never-note.nofallback.stderr @@ -7,6 +7,11 @@ LL | fn smeg() { = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #123748 = help: specify the types explicitly +note: in edition 2024, the requirement `!: ImplementedForUnitButNotNever` will fail + --> $DIR/defaulted-never-note.rs:32:9 + | +LL | foo(_x); + | ^^ = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default warning: 1 warning emitted diff --git a/tests/ui/never_type/dependency-on-fallback-to-unit.stderr b/tests/ui/never_type/dependency-on-fallback-to-unit.stderr index 36c82b6d1bf6..ec49137ba795 100644 --- a/tests/ui/never_type/dependency-on-fallback-to-unit.stderr +++ b/tests/ui/never_type/dependency-on-fallback-to-unit.stderr @@ -7,6 +7,11 @@ LL | fn def() { = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #123748 = help: specify the types explicitly +note: in edition 2024, the requirement `!: Default` will fail + --> $DIR/dependency-on-fallback-to-unit.rs:12:19 + | +LL | false => <_>::default(), + | ^ = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default warning: this function depends on never type fallback being `()` @@ -18,6 +23,11 @@ LL | fn question_mark() -> Result<(), ()> { = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #123748 = help: specify the types explicitly +note: in edition 2024, the requirement `!: Default` will fail + --> $DIR/dependency-on-fallback-to-unit.rs:22:5 + | +LL | deserialize()?; + | ^^^^^^^^^^^^^ warning: 2 warnings emitted diff --git a/tests/ui/never_type/diverging-fallback-control-flow.nofallback.stderr b/tests/ui/never_type/diverging-fallback-control-flow.nofallback.stderr index 5fbdc04ed3b8..2a3c5edc2184 100644 --- a/tests/ui/never_type/diverging-fallback-control-flow.nofallback.stderr +++ b/tests/ui/never_type/diverging-fallback-control-flow.nofallback.stderr @@ -7,6 +7,11 @@ LL | fn assignment() { = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #123748 = help: specify the types explicitly +note: in edition 2024, the requirement `!: UnitDefault` will fail + --> $DIR/diverging-fallback-control-flow.rs:36:13 + | +LL | x = UnitDefault::default(); + | ^^^^^^^^^^^^^^^^^^^^^^ = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default warning: this function depends on never type fallback being `()` @@ -18,6 +23,11 @@ LL | fn assignment_rev() { = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #123748 = help: specify the types explicitly +note: in edition 2024, the requirement `!: UnitDefault` will fail + --> $DIR/diverging-fallback-control-flow.rs:50:13 + | +LL | x = UnitDefault::default(); + | ^^^^^^^^^^^^^^^^^^^^^^ warning: 2 warnings emitted diff --git a/tests/ui/never_type/diverging-fallback-no-leak.nofallback.stderr b/tests/ui/never_type/diverging-fallback-no-leak.nofallback.stderr index d11097323b3f..11245cc7aabf 100644 --- a/tests/ui/never_type/diverging-fallback-no-leak.nofallback.stderr +++ b/tests/ui/never_type/diverging-fallback-no-leak.nofallback.stderr @@ -7,6 +7,11 @@ LL | fn main() { = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #123748 = help: specify the types explicitly +note: in edition 2024, the requirement `!: Test` will fail + --> $DIR/diverging-fallback-no-leak.rs:20:23 + | +LL | unconstrained_arg(return); + | ^^^^^^ = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default warning: 1 warning emitted diff --git a/tests/ui/never_type/diverging-fallback-unconstrained-return.nofallback.stderr b/tests/ui/never_type/diverging-fallback-unconstrained-return.nofallback.stderr index 750bcfb7f89d..b485c94df4d6 100644 --- a/tests/ui/never_type/diverging-fallback-unconstrained-return.nofallback.stderr +++ b/tests/ui/never_type/diverging-fallback-unconstrained-return.nofallback.stderr @@ -7,6 +7,11 @@ LL | fn main() { = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #123748 = help: specify the types explicitly +note: in edition 2024, the requirement `!: UnitReturn` will fail + --> $DIR/diverging-fallback-unconstrained-return.rs:39:23 + | +LL | let _ = if true { unconstrained_return() } else { panic!() }; + | ^^^^^^^^^^^^^^^^^^^^^^ = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default warning: 1 warning emitted diff --git a/tests/ui/never_type/fallback-closure-ret.nofallback.stderr b/tests/ui/never_type/fallback-closure-ret.nofallback.stderr index 9f0b9f6daeae..3fb5536dee7e 100644 --- a/tests/ui/never_type/fallback-closure-ret.nofallback.stderr +++ b/tests/ui/never_type/fallback-closure-ret.nofallback.stderr @@ -7,6 +7,11 @@ LL | fn main() { = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #123748 = help: specify the types explicitly +note: in edition 2024, the requirement `!: Bar` will fail + --> $DIR/fallback-closure-ret.rs:24:5 + | +LL | foo(|| panic!()); + | ^^^^^^^^^^^^^^^^ = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default warning: 1 warning emitted diff --git a/tests/ui/never_type/impl_trait_fallback.stderr b/tests/ui/never_type/impl_trait_fallback.stderr index 876389403324..4496746e018e 100644 --- a/tests/ui/never_type/impl_trait_fallback.stderr +++ b/tests/ui/never_type/impl_trait_fallback.stderr @@ -7,6 +7,11 @@ LL | fn should_ret_unit() -> impl T { = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #123748 = help: specify the types explicitly +note: in edition 2024, the requirement `!: T` will fail + --> $DIR/impl_trait_fallback.rs:8:25 + | +LL | fn should_ret_unit() -> impl T { + | ^^^^^^ = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default warning: 1 warning emitted From 5330ccdb345b24be57f051c6659cd3b33a65fdca Mon Sep 17 00:00:00 2001 From: Zalathar Date: Sat, 16 Mar 2024 17:02:30 +1100 Subject: [PATCH 1524/1716] Use `-Zno-profiler-runtime` instead of `//@ needs-profiler-support` For PGO/coverage tests that don't need to build or run an actual artifact, we can use `-Zno-profiler-runtime` to run the test even when the profiler runtime is not available. --- .../codegen/instrument-coverage/instrument-coverage-off.rs | 1 + tests/codegen/instrument-coverage/instrument-coverage.rs | 6 +++--- tests/codegen/instrument-coverage/testprog.rs | 2 +- tests/codegen/naked-fn/naked-nocoverage.rs | 2 +- tests/codegen/pgo-counter-bias.rs | 2 +- tests/codegen/pgo-instrumentation.rs | 2 +- tests/run-make/pgo-gen-no-imp-symbols/Makefile | 4 +--- tests/ui/instrument-coverage/coverage-options.rs | 3 +-- tests/ui/instrument-coverage/on-values.rs | 2 +- 9 files changed, 11 insertions(+), 13 deletions(-) diff --git a/tests/codegen/instrument-coverage/instrument-coverage-off.rs b/tests/codegen/instrument-coverage/instrument-coverage-off.rs index 616e3295e5b1..e44d6c658748 100644 --- a/tests/codegen/instrument-coverage/instrument-coverage-off.rs +++ b/tests/codegen/instrument-coverage/instrument-coverage-off.rs @@ -1,5 +1,6 @@ // Test that `-Cinstrument-coverage=off` does not add coverage instrumentation to LLVM IR. +//@ compile-flags: -Zno-profiler-runtime //@ revisions: n no off false_ zero //@ [n] compile-flags: -Cinstrument-coverage=n //@ [no] compile-flags: -Cinstrument-coverage=no diff --git a/tests/codegen/instrument-coverage/instrument-coverage.rs b/tests/codegen/instrument-coverage/instrument-coverage.rs index 65fa437d2506..23d23651c72f 100644 --- a/tests/codegen/instrument-coverage/instrument-coverage.rs +++ b/tests/codegen/instrument-coverage/instrument-coverage.rs @@ -1,6 +1,6 @@ // Test that `-Cinstrument-coverage` creates expected __llvm_profile_filename symbol in LLVM IR. -//@ needs-profiler-support +//@ compile-flags: -Zno-profiler-runtime //@ revisions: default y yes on true_ all //@ [default] compile-flags: -Cinstrument-coverage //@ [y] compile-flags: -Cinstrument-coverage=y @@ -9,8 +9,8 @@ //@ [true_] compile-flags: -Cinstrument-coverage=true //@ [all] compile-flags: -Cinstrument-coverage=all -// CHECK: @__llvm_profile_filename = {{.*}}"default_%m_%p.profraw\00"{{.*}} -// CHECK: @__llvm_coverage_mapping +// CHECK-DAG: @__llvm_coverage_mapping +// CHECK-DAG: @__llvm_profile_filename = {{.*}}"default_%m_%p.profraw\00"{{.*}} #![crate_type = "lib"] diff --git a/tests/codegen/instrument-coverage/testprog.rs b/tests/codegen/instrument-coverage/testprog.rs index acc4f35d9054..eea4d9cb3cf0 100644 --- a/tests/codegen/instrument-coverage/testprog.rs +++ b/tests/codegen/instrument-coverage/testprog.rs @@ -1,5 +1,5 @@ //@ edition: 2021 -//@ needs-profiler-support +//@ compile-flags: -Zno-profiler-runtime //@ compile-flags: -Cinstrument-coverage -Copt-level=0 //@ revisions: LINUX DARWIN WINDOWS diff --git a/tests/codegen/naked-fn/naked-nocoverage.rs b/tests/codegen/naked-fn/naked-nocoverage.rs index e8d3b5834fa3..d73c5b7fd26d 100644 --- a/tests/codegen/naked-fn/naked-nocoverage.rs +++ b/tests/codegen/naked-fn/naked-nocoverage.rs @@ -2,7 +2,7 @@ // Regression test for issue #105170. // //@ needs-asm-support -//@ needs-profiler-support +//@ compile-flags: -Zno-profiler-runtime //@ compile-flags: -Cinstrument-coverage #![crate_type = "lib"] #![feature(naked_functions)] diff --git a/tests/codegen/pgo-counter-bias.rs b/tests/codegen/pgo-counter-bias.rs index 87d31073d5ae..48e815dda048 100644 --- a/tests/codegen/pgo-counter-bias.rs +++ b/tests/codegen/pgo-counter-bias.rs @@ -2,7 +2,7 @@ //@ ignore-apple -runtime-counter-relocation not honored on Mach-O //@ compile-flags: -Cprofile-generate -Cllvm-args=-runtime-counter-relocation -Clto=fat -//@ needs-profiler-support +//@ compile-flags: -Zno-profiler-runtime //@ no-prefer-dynamic // CHECK: @__llvm_profile_counter_bias = {{.*}}global diff --git a/tests/codegen/pgo-instrumentation.rs b/tests/codegen/pgo-instrumentation.rs index b1906c145c6b..a8f12ccce1cb 100644 --- a/tests/codegen/pgo-instrumentation.rs +++ b/tests/codegen/pgo-instrumentation.rs @@ -1,6 +1,6 @@ // Test that `-Cprofile-generate` creates expected instrumentation artifacts in LLVM IR. -//@ needs-profiler-support +//@ compile-flags: -Zno-profiler-runtime //@ compile-flags: -Cprofile-generate -Ccodegen-units=1 // CHECK: @__llvm_profile_raw_version = diff --git a/tests/run-make/pgo-gen-no-imp-symbols/Makefile b/tests/run-make/pgo-gen-no-imp-symbols/Makefile index 7f72b11b611e..d2baa145ba50 100644 --- a/tests/run-make/pgo-gen-no-imp-symbols/Makefile +++ b/tests/run-make/pgo-gen-no-imp-symbols/Makefile @@ -1,8 +1,6 @@ -# needs-profiler-support - include ../tools.mk -COMPILE_FLAGS=-O -Ccodegen-units=1 -Cprofile-generate="$(TMPDIR)" +COMPILE_FLAGS=-O -Ccodegen-units=1 -Cprofile-generate="$(TMPDIR)" -Zno-profiler-runtime all: $(RUSTC) $(COMPILE_FLAGS) --emit=llvm-ir test.rs diff --git a/tests/ui/instrument-coverage/coverage-options.rs b/tests/ui/instrument-coverage/coverage-options.rs index 8f523a5fd11a..7615a0fb2751 100644 --- a/tests/ui/instrument-coverage/coverage-options.rs +++ b/tests/ui/instrument-coverage/coverage-options.rs @@ -1,6 +1,5 @@ -//@ needs-profiler-support //@ revisions: block branch condition mcdc bad -//@ compile-flags -Cinstrument-coverage +//@ compile-flags -Cinstrument-coverage -Zno-profiler-runtime //@ [block] check-pass //@ [block] compile-flags: -Zcoverage-options=block diff --git a/tests/ui/instrument-coverage/on-values.rs b/tests/ui/instrument-coverage/on-values.rs index a6793b2c304f..53b149fd39cc 100644 --- a/tests/ui/instrument-coverage/on-values.rs +++ b/tests/ui/instrument-coverage/on-values.rs @@ -1,5 +1,5 @@ //@ check-pass -//@ needs-profiler-support +//@ compile-flags: -Zno-profiler-runtime //@ revisions: default y yes on true_ all //@ [default] compile-flags: -Cinstrument-coverage //@ [y] compile-flags: -Cinstrument-coverage=y From 3f3b8bb1ca3fc4106fdbdc5106f3924db441a51a Mon Sep 17 00:00:00 2001 From: Zalathar Date: Sun, 17 Mar 2024 12:06:00 +1100 Subject: [PATCH 1525/1716] Don't build a known-broken profiler runtime in `x86_64-mingw` --- src/ci/github-actions/jobs.yml | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/src/ci/github-actions/jobs.yml b/src/ci/github-actions/jobs.yml index 010e1b8fd51f..ce7ca8a6b4dd 100644 --- a/src/ci/github-actions/jobs.yml +++ b/src/ci/github-actions/jobs.yml @@ -390,9 +390,7 @@ auto: - image: x86_64-mingw env: SCRIPT: make ci-mingw - RUST_CONFIGURE_ARGS: >- - --build=x86_64-pc-windows-gnu - --enable-profiler + RUST_CONFIGURE_ARGS: --build=x86_64-pc-windows-gnu # We are intentionally allowing an old toolchain on this builder (and that's # incompatible with LLVM downloads today). NO_DOWNLOAD_CI_LLVM: 1 From 2646db92fe210df64f48a09d5eab3793f41dc9ce Mon Sep 17 00:00:00 2001 From: Zalathar Date: Sun, 17 Mar 2024 12:12:38 +1100 Subject: [PATCH 1526/1716] Remove `//@ ignore-windows-gnu` from tests that need the profiler The profiler runtime is no longer built in mingw test jobs, so these tests should naturally be skipped by `//@ needs-profiler-support`. --- src/tools/compiletest/src/header.rs | 3 --- tests/run-make/optimization-remarks-dir-pgo/Makefile | 4 ---- tests/run-make/pgo-branch-weights/rmake.rs | 4 ---- tests/run-make/pgo-gen-lto/Makefile | 4 ---- tests/run-make/pgo-gen/Makefile | 4 ---- tests/run-make/pgo-indirect-call-promotion/Makefile | 4 ---- tests/run-make/pgo-use/Makefile | 4 ---- tests/run-make/track-pgo-dep-info/Makefile | 1 - 8 files changed, 28 deletions(-) diff --git a/src/tools/compiletest/src/header.rs b/src/tools/compiletest/src/header.rs index cc972223f6df..65436a8a4401 100644 --- a/src/tools/compiletest/src/header.rs +++ b/src/tools/compiletest/src/header.rs @@ -1023,9 +1023,6 @@ fn iter_header( if mode == Mode::CoverageRun { let extra_directives: &[&str] = &[ "needs-profiler-support", - // FIXME(mati865): MinGW GCC miscompiles compiler-rt profiling library but with Clang it works - // properly. Since we only have GCC on the CI ignore the test for now. - "ignore-windows-gnu", // FIXME(pietroalbini): this test currently does not work on cross-compiled // targets because remote-test is not capable of sending back the *.profraw // files generated by the LLVM instrumentation. diff --git a/tests/run-make/optimization-remarks-dir-pgo/Makefile b/tests/run-make/optimization-remarks-dir-pgo/Makefile index 3bc3d7d14288..57ffd6e70f00 100644 --- a/tests/run-make/optimization-remarks-dir-pgo/Makefile +++ b/tests/run-make/optimization-remarks-dir-pgo/Makefile @@ -1,10 +1,6 @@ # needs-profiler-support -# ignore-windows-gnu # ignore-cross-compile -# FIXME(mati865): MinGW GCC miscompiles compiler-rt profiling library but with Clang it works -# properly. Since we only have GCC on the CI ignore the test for now. - include ../tools.mk PROFILE_DIR=$(TMPDIR)/profiles diff --git a/tests/run-make/pgo-branch-weights/rmake.rs b/tests/run-make/pgo-branch-weights/rmake.rs index 55f6e7e56c5a..d3cb79c39afa 100644 --- a/tests/run-make/pgo-branch-weights/rmake.rs +++ b/tests/run-make/pgo-branch-weights/rmake.rs @@ -10,10 +10,6 @@ //@ needs-profiler-support //@ ignore-cross-compile -// FIXME(Oneirical): This test has problems generating profdata on mingw. -// For more information, see https://github.com/rust-lang/rust/pull/122613 -//@ ignore-windows-gnu - use run_make_support::{fs_wrapper, llvm_filecheck, llvm_profdata, run_with_args, rustc}; use std::path::Path; diff --git a/tests/run-make/pgo-gen-lto/Makefile b/tests/run-make/pgo-gen-lto/Makefile index 8b647846af3b..54164c995222 100644 --- a/tests/run-make/pgo-gen-lto/Makefile +++ b/tests/run-make/pgo-gen-lto/Makefile @@ -1,10 +1,6 @@ # needs-profiler-support -# ignore-windows-gnu # ignore-cross-compile -# FIXME(mati865): MinGW GCC miscompiles compiler-rt profiling library but with Clang it works -# properly. Since we only have GCC on the CI ignore the test for now. - include ../tools.mk COMPILE_FLAGS=-Copt-level=3 -Clto=fat -Cprofile-generate="$(TMPDIR)" diff --git a/tests/run-make/pgo-gen/Makefile b/tests/run-make/pgo-gen/Makefile index bf32cfdb802f..c1d456986fb2 100644 --- a/tests/run-make/pgo-gen/Makefile +++ b/tests/run-make/pgo-gen/Makefile @@ -1,10 +1,6 @@ # needs-profiler-support -# ignore-windows-gnu # ignore-cross-compile -# FIXME(mati865): MinGW GCC miscompiles compiler-rt profiling library but with Clang it works -# properly. Since we only have GCC on the CI ignore the test for now. - include ../tools.mk COMPILE_FLAGS=-g -Cprofile-generate="$(TMPDIR)" diff --git a/tests/run-make/pgo-indirect-call-promotion/Makefile b/tests/run-make/pgo-indirect-call-promotion/Makefile index 542eb244d395..8d1e69c4aba3 100644 --- a/tests/run-make/pgo-indirect-call-promotion/Makefile +++ b/tests/run-make/pgo-indirect-call-promotion/Makefile @@ -1,10 +1,6 @@ # needs-profiler-support -# ignore-windows-gnu # ignore-cross-compile -# FIXME(mati865): MinGW GCC miscompiles compiler-rt profiling library but with Clang it works -# properly. Since we only have GCC on the CI ignore the test for now. - include ../tools.mk all: diff --git a/tests/run-make/pgo-use/Makefile b/tests/run-make/pgo-use/Makefile index 9f440118daee..92098a4019c4 100644 --- a/tests/run-make/pgo-use/Makefile +++ b/tests/run-make/pgo-use/Makefile @@ -1,10 +1,6 @@ # needs-profiler-support -# ignore-windows-gnu # ignore-cross-compile -# FIXME(mati865): MinGW GCC miscompiles compiler-rt profiling library but with Clang it works -# properly. Since we only have GCC on the CI ignore the test for now. - include ../tools.mk # This test makes sure that PGO profiling data leads to cold functions being diff --git a/tests/run-make/track-pgo-dep-info/Makefile b/tests/run-make/track-pgo-dep-info/Makefile index 6c7f67d0f0a9..3afe3662fa75 100644 --- a/tests/run-make/track-pgo-dep-info/Makefile +++ b/tests/run-make/track-pgo-dep-info/Makefile @@ -1,5 +1,4 @@ # needs-profiler-support -# ignore-windows-gnu include ../tools.mk From 186d94dc6be108d7e507e4a5129375335149cd23 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Sun, 17 Mar 2024 12:18:53 +1100 Subject: [PATCH 1527/1716] Remove broken/untested `--enable-profiler` from mingw dist builds --- src/ci/github-actions/jobs.yml | 2 -- 1 file changed, 2 deletions(-) diff --git a/src/ci/github-actions/jobs.yml b/src/ci/github-actions/jobs.yml index ce7ca8a6b4dd..4366a92fbcdf 100644 --- a/src/ci/github-actions/jobs.yml +++ b/src/ci/github-actions/jobs.yml @@ -438,7 +438,6 @@ auto: RUST_CONFIGURE_ARGS: >- --build=i686-pc-windows-gnu --enable-full-tools - --enable-profiler # We are intentionally allowing an old toolchain on this builder (and that's # incompatible with LLVM downloads today). NO_DOWNLOAD_CI_LLVM: 1 @@ -452,7 +451,6 @@ auto: RUST_CONFIGURE_ARGS: >- --build=x86_64-pc-windows-gnu --enable-full-tools - --enable-profiler # We are intentionally allowing an old toolchain on this builder (and that's # incompatible with LLVM downloads today). NO_DOWNLOAD_CI_LLVM: 1 From a6907100de23e51ba979ead543fcd5975d62d248 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Thu, 13 Jun 2024 21:01:00 +0200 Subject: [PATCH 1528/1716] const validation: fix ICE on dangling ZST reference --- .../rustc_const_eval/src/interpret/validity.rs | 16 +++++++++++----- tests/ui/consts/dangling-alloc-id-ice.rs | 2 +- tests/ui/consts/dangling-alloc-id-ice.stderr | 10 ++++++++-- tests/ui/consts/dangling-zst-ice-issue-126393.rs | 15 +++++++++++++++ .../consts/dangling-zst-ice-issue-126393.stderr | 14 ++++++++++++++ 5 files changed, 49 insertions(+), 8 deletions(-) create mode 100644 tests/ui/consts/dangling-zst-ice-issue-126393.rs create mode 100644 tests/ui/consts/dangling-zst-ice-issue-126393.stderr diff --git a/compiler/rustc_const_eval/src/interpret/validity.rs b/compiler/rustc_const_eval/src/interpret/validity.rs index 6f75bc2af4ec..ca8b98849338 100644 --- a/compiler/rustc_const_eval/src/interpret/validity.rs +++ b/compiler/rustc_const_eval/src/interpret/validity.rs @@ -29,7 +29,7 @@ use rustc_target::abi::{ use std::hash::Hash; use super::{ - err_ub, format_interp_error, machine::AllocMap, throw_ub, AllocId, CheckInAllocMsg, + err_ub, format_interp_error, machine::AllocMap, throw_ub, AllocId, AllocKind, CheckInAllocMsg, GlobalAlloc, ImmTy, Immediate, InterpCx, InterpResult, MPlaceTy, Machine, MemPlaceMeta, OpTy, Pointer, Projectable, Scalar, ValueVisitor, }; @@ -413,8 +413,6 @@ impl<'rt, 'tcx, M: Machine<'tcx>> ValidityVisitor<'rt, 'tcx, M> { Ub(PointerOutOfBounds { .. }) => DanglingPtrOutOfBounds { ptr_kind }, - // This cannot happen during const-eval (because interning already detects - // dangling pointers), but it can happen in Miri. Ub(PointerUseAfterFree(..)) => DanglingPtrUseAfterFree { ptr_kind, }, @@ -493,9 +491,17 @@ impl<'rt, 'tcx, M: Machine<'tcx>> ValidityVisitor<'rt, 'tcx, M> { } } - // Mutability check. + // Dangling and Mutability check. + let (size, _align, alloc_kind) = self.ecx.get_alloc_info(alloc_id); + if alloc_kind == AllocKind::Dead { + // This can happen for zero-sized references. We can't have *any* references to non-existing + // allocations though, interning rejects them all as the rest of rustc isn't happy with them... + // so we throw an error, even though this isn't really UB. + // A potential future alternative would be to resurrect this as a zero-sized allocation + // (which codegen will then compile to an aligned dummy pointer anyway). + throw_validation_failure!(self.path, DanglingPtrUseAfterFree { ptr_kind }); + } // If this allocation has size zero, there is no actual mutability here. - let (size, _align, _alloc_kind) = self.ecx.get_alloc_info(alloc_id); if size != Size::ZERO { let alloc_actual_mutbl = mutability(self.ecx, alloc_id); // Mutable pointer to immutable memory is no good. diff --git a/tests/ui/consts/dangling-alloc-id-ice.rs b/tests/ui/consts/dangling-alloc-id-ice.rs index 6b07b8b3cc80..76d6f33baf34 100644 --- a/tests/ui/consts/dangling-alloc-id-ice.rs +++ b/tests/ui/consts/dangling-alloc-id-ice.rs @@ -10,7 +10,7 @@ union Foo<'a> { } const FOO: &() = { - //~^ ERROR encountered dangling pointer + //~^ ERROR it is undefined behavior to use this value let y = (); unsafe { Foo { y: &y }.long_live_the_unit } }; diff --git a/tests/ui/consts/dangling-alloc-id-ice.stderr b/tests/ui/consts/dangling-alloc-id-ice.stderr index de31acf9fa44..881c0b162edc 100644 --- a/tests/ui/consts/dangling-alloc-id-ice.stderr +++ b/tests/ui/consts/dangling-alloc-id-ice.stderr @@ -1,8 +1,14 @@ -error: encountered dangling pointer in final value of constant +error[E0080]: it is undefined behavior to use this value --> $DIR/dangling-alloc-id-ice.rs:12:1 | LL | const FOO: &() = { - | ^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^ constructing invalid value: encountered a dangling reference (use-after-free) + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: $SIZE, align: $ALIGN) { + HEX_DUMP + } error: aborting due to 1 previous error +For more information about this error, try `rustc --explain E0080`. diff --git a/tests/ui/consts/dangling-zst-ice-issue-126393.rs b/tests/ui/consts/dangling-zst-ice-issue-126393.rs new file mode 100644 index 000000000000..917aa0572fc0 --- /dev/null +++ b/tests/ui/consts/dangling-zst-ice-issue-126393.rs @@ -0,0 +1,15 @@ +// Strip out raw byte dumps to make comparison platform-independent: +//@ normalize-stderr-test "(the raw bytes of the constant) \(size: [0-9]*, align: [0-9]*\)" -> "$1 (size: $$SIZE, align: $$ALIGN)" +//@ normalize-stderr-test "([0-9a-f][0-9a-f] |╾─*A(LLOC)?[0-9]+(\+[a-z0-9]+)?()?─*╼ )+ *│.*" -> "HEX_DUMP" +//@ normalize-stderr-test "HEX_DUMP\s*\n\s*HEX_DUMP" -> "HEX_DUMP" + +pub struct Wrapper; +pub static MAGIC_FFI_REF: &'static Wrapper = unsafe { +//~^ERROR: it is undefined behavior to use this value + std::mem::transmute(&{ + let y = 42; + y + }) +}; + +fn main() {} diff --git a/tests/ui/consts/dangling-zst-ice-issue-126393.stderr b/tests/ui/consts/dangling-zst-ice-issue-126393.stderr new file mode 100644 index 000000000000..d32b427f14ef --- /dev/null +++ b/tests/ui/consts/dangling-zst-ice-issue-126393.stderr @@ -0,0 +1,14 @@ +error[E0080]: it is undefined behavior to use this value + --> $DIR/dangling-zst-ice-issue-126393.rs:7:1 + | +LL | pub static MAGIC_FFI_REF: &'static Wrapper = unsafe { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value: encountered a dangling reference (use-after-free) + | + = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. + = note: the raw bytes of the constant (size: $SIZE, align: $ALIGN) { + HEX_DUMP + } + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0080`. From 9e851041d7b7631217857067f80b461543844c24 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Fri, 14 Jun 2024 11:18:32 +0200 Subject: [PATCH 1529/1716] div_euclid, rem_euclid: clarify/extend documentation --- library/core/src/num/int_macros.rs | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/library/core/src/num/int_macros.rs b/library/core/src/num/int_macros.rs index 55bb6166f101..448894849639 100644 --- a/library/core/src/num/int_macros.rs +++ b/library/core/src/num/int_macros.rs @@ -2784,8 +2784,10 @@ macro_rules! int_impl { /// /// In other words, the result is `self / rhs` rounded to the integer `q` /// such that `self >= q * rhs`. - /// If `self > 0`, this is equal to round towards zero (the default in Rust); - /// if `self < 0`, this is equal to round towards +/- infinity. + /// If `self > 0`, this is equal to rounding towards zero (the default in Rust); + /// if `self < 0`, this is equal to rounding away from zero (towards +/- infinity). + /// If `rhs > 0`, this is equal to rounding towards -infinity; + /// if `rhs < 0`, this is equal to rounding towards +infinity. /// /// # Panics /// @@ -2823,8 +2825,8 @@ macro_rules! int_impl { /// Calculates the least nonnegative remainder of `self (mod rhs)`. /// /// This is done as if by the Euclidean division algorithm -- given - /// `r = self.rem_euclid(rhs)`, `self = rhs * self.div_euclid(rhs) + r`, and - /// `0 <= r < abs(rhs)`. + /// `r = self.rem_euclid(rhs)`, the result satisfies + /// `self = rhs * self.div_euclid(rhs) + r` and `0 <= r < abs(rhs)`. /// /// # Panics /// From 5c8bb678d07da4fe64e0595e7ace7b993fc0f000 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Fri, 14 Jun 2024 09:40:44 +0000 Subject: [PATCH 1530/1716] Use a consistent way to filter out bounds instead of splitting it into three places --- .../src/traits/select/candidate_assembly.rs | 17 ++++++----------- 1 file changed, 6 insertions(+), 11 deletions(-) diff --git a/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs b/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs index 6db5fa0e4e55..cb5a9da2caa5 100644 --- a/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs +++ b/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs @@ -239,24 +239,19 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { return Ok(()); } - let all_bounds = stack + let bounds = stack .obligation .param_env .caller_bounds() .iter() .filter(|p| !p.references_error()) - .filter_map(|p| p.as_trait_clause()); - - // Micro-optimization: filter out predicates relating to different traits. - let matching_bounds = - all_bounds.filter(|p| p.def_id() == stack.obligation.predicate.def_id()); + .filter_map(|p| p.as_trait_clause()) + // Micro-optimization: filter out predicates relating to different traits. + .filter(|p| p.def_id() == stack.obligation.predicate.def_id()) + .filter(|p| p.polarity() == stack.obligation.predicate.polarity()); // Keep only those bounds which may apply, and propagate overflow if it occurs. - for bound in matching_bounds { - if bound.skip_binder().polarity != stack.obligation.predicate.skip_binder().polarity { - continue; - } - + for bound in bounds { // FIXME(oli-obk): it is suspicious that we are dropping the constness and // polarity here. let wc = self.where_clause_may_apply(stack, bound.map_bound(|t| t.trait_ref))?; From 669a40006bf3494b0d320fb77bf39cc19a6c5bc4 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Fri, 14 Jun 2024 11:28:18 +0200 Subject: [PATCH 1531/1716] MIR Shl/Shr: the offset can be computed with rem_euclid --- .../src/interpret/operator.rs | 19 +++++++------------ compiler/rustc_middle/src/mir/syntax.rs | 6 ++++-- 2 files changed, 11 insertions(+), 14 deletions(-) diff --git a/compiler/rustc_const_eval/src/interpret/operator.rs b/compiler/rustc_const_eval/src/interpret/operator.rs index a6eef9f5662c..4d0f35618ef2 100644 --- a/compiler/rustc_const_eval/src/interpret/operator.rs +++ b/compiler/rustc_const_eval/src/interpret/operator.rs @@ -112,25 +112,20 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { // Shift ops can have an RHS with a different numeric type. if matches!(bin_op, Shl | ShlUnchecked | Shr | ShrUnchecked) { - let size = left.layout.size.bits(); + let l_bits = left.layout.size.bits(); // Compute the equivalent shift modulo `size` that is in the range `0..size`. (This is // the one MIR operator that does *not* directly map to a single LLVM operation.) let (shift_amount, overflow) = if right.layout.abi.is_signed() { let shift_amount = r_signed(); - let overflow = shift_amount < 0 || shift_amount >= i128::from(size); - // Deliberately wrapping `as` casts: shift_amount *can* be negative, but the result - // of the `as` will be equal modulo `size` (since it is a power of two). - let masked_amount = (shift_amount as u128) % u128::from(size); - assert_eq!(overflow, shift_amount != i128::try_from(masked_amount).unwrap()); - (masked_amount, overflow) + let rem = shift_amount.rem_euclid(l_bits.into()); + // `rem` is guaranteed positive, so the `unwrap` cannot fail + (u128::try_from(rem).unwrap(), rem != shift_amount) } else { let shift_amount = r_unsigned(); - let overflow = shift_amount >= u128::from(size); - let masked_amount = shift_amount % u128::from(size); - assert_eq!(overflow, shift_amount != masked_amount); - (masked_amount, overflow) + let rem = shift_amount.rem_euclid(l_bits.into()); + (rem, rem != shift_amount) }; - let shift_amount = u32::try_from(shift_amount).unwrap(); // we masked so this will always fit + let shift_amount = u32::try_from(shift_amount).unwrap(); // we brought this in the range `0..size` so this will always fit // Compute the shifted result. let result = if left.layout.abi.is_signed() { let l = l_signed(); diff --git a/compiler/rustc_middle/src/mir/syntax.rs b/compiler/rustc_middle/src/mir/syntax.rs index ebe77a1abfd8..3edc5fe36cd2 100644 --- a/compiler/rustc_middle/src/mir/syntax.rs +++ b/compiler/rustc_middle/src/mir/syntax.rs @@ -1490,7 +1490,8 @@ pub enum BinOp { BitOr, /// The `<<` operator (shift left) /// - /// The offset is (uniquely) determined as follows: + /// The offset is given by `RHS.rem_euclid(LHS::BITS)`. + /// In other words, it is (uniquely) determined as follows: /// - it is "equal modulo LHS::BITS" to the RHS /// - it is in the range `0..LHS::BITS` Shl, @@ -1498,7 +1499,8 @@ pub enum BinOp { ShlUnchecked, /// The `>>` operator (shift right) /// - /// The offset is (uniquely) determined as follows: + /// The offset is given by `RHS.rem_euclid(LHS::BITS)`. + /// In other words, it is (uniquely) determined as follows: /// - it is "equal modulo LHS::BITS" to the RHS /// - it is in the range `0..LHS::BITS` /// From 408c8eb983b2c460e56e1e71db26d6b7e76aa695 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Fri, 14 Jun 2024 12:14:32 +0200 Subject: [PATCH 1532/1716] add Miri tests --- .../miri/tests/fail/storage-live-dead-var.rs | 14 ++++++++++++++ .../tests/fail/storage-live-dead-var.stderr | 15 +++++++++++++++ .../miri/tests/fail/storage-live-resets-var.rs | 17 +++++++++++++++++ .../tests/fail/storage-live-resets-var.stderr | 15 +++++++++++++++ 4 files changed, 61 insertions(+) create mode 100644 src/tools/miri/tests/fail/storage-live-dead-var.rs create mode 100644 src/tools/miri/tests/fail/storage-live-dead-var.stderr create mode 100644 src/tools/miri/tests/fail/storage-live-resets-var.rs create mode 100644 src/tools/miri/tests/fail/storage-live-resets-var.stderr diff --git a/src/tools/miri/tests/fail/storage-live-dead-var.rs b/src/tools/miri/tests/fail/storage-live-dead-var.rs new file mode 100644 index 000000000000..83ab98d79d1a --- /dev/null +++ b/src/tools/miri/tests/fail/storage-live-dead-var.rs @@ -0,0 +1,14 @@ +#![feature(core_intrinsics, custom_mir)] +use std::intrinsics::mir::*; + +#[custom_mir(dialect = "runtime")] +fn main() { + mir! { + let val: i32; + { + val = 42; //~ERROR: accessing a dead local variable + StorageLive(val); // too late... (but needs to be here to make `val` not implicitly live) + Return() + } + } +} diff --git a/src/tools/miri/tests/fail/storage-live-dead-var.stderr b/src/tools/miri/tests/fail/storage-live-dead-var.stderr new file mode 100644 index 000000000000..ccc77b1c978d --- /dev/null +++ b/src/tools/miri/tests/fail/storage-live-dead-var.stderr @@ -0,0 +1,15 @@ +error: Undefined Behavior: accessing a dead local variable + --> $DIR/storage-live-dead-var.rs:LL:CC + | +LL | val = 42; + | ^^^^^^^^ accessing a dead local variable + | + = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior + = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information + = note: BACKTRACE: + = note: inside `main` at $DIR/storage-live-dead-var.rs:LL:CC + +note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace + +error: aborting due to 1 previous error + diff --git a/src/tools/miri/tests/fail/storage-live-resets-var.rs b/src/tools/miri/tests/fail/storage-live-resets-var.rs new file mode 100644 index 000000000000..bfdd9e78943e --- /dev/null +++ b/src/tools/miri/tests/fail/storage-live-resets-var.rs @@ -0,0 +1,17 @@ +#![feature(core_intrinsics, custom_mir)] +use std::intrinsics::mir::*; + +#[custom_mir(dialect = "runtime")] +fn main() { + mir! { + let val: i32; + let _val2: i32; + { + StorageLive(val); + val = 42; + StorageLive(val); // reset val to `uninit` + _val2 = val; //~ERROR: uninitialized + Return() + } + } +} diff --git a/src/tools/miri/tests/fail/storage-live-resets-var.stderr b/src/tools/miri/tests/fail/storage-live-resets-var.stderr new file mode 100644 index 000000000000..07d39cc9d6b3 --- /dev/null +++ b/src/tools/miri/tests/fail/storage-live-resets-var.stderr @@ -0,0 +1,15 @@ +error: Undefined Behavior: constructing invalid value: encountered uninitialized memory, but expected an integer + --> $DIR/storage-live-resets-var.rs:LL:CC + | +LL | _val2 = val; + | ^^^^^^^^^^^ constructing invalid value: encountered uninitialized memory, but expected an integer + | + = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior + = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information + = note: BACKTRACE: + = note: inside `main` at $DIR/storage-live-resets-var.rs:LL:CC + +note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace + +error: aborting due to 1 previous error + From ad787c10346fad514b3d9e87225a5a040c41a050 Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Fri, 14 Jun 2024 12:46:39 +0300 Subject: [PATCH 1533/1716] build `libcxx-version` only when it doesn't exist Signed-off-by: onur-ozkan --- src/bootstrap/src/core/build_steps/tool.rs | 30 ++++++++++++++-------- 1 file changed, 20 insertions(+), 10 deletions(-) diff --git a/src/bootstrap/src/core/build_steps/tool.rs b/src/bootstrap/src/core/build_steps/tool.rs index 6cf31f2e61e1..e0a9674ae5a9 100644 --- a/src/bootstrap/src/core/build_steps/tool.rs +++ b/src/bootstrap/src/core/build_steps/tool.rs @@ -823,19 +823,29 @@ impl Step for LibcxxVersionTool { fn run(self, builder: &Builder<'_>) -> LibcxxVersion { let out_dir = builder.out.join(self.target.to_string()).join("libcxx-version"); - let _ = fs::remove_dir_all(&out_dir); - t!(fs::create_dir_all(&out_dir)); - - let compiler = builder.cxx(self.target).unwrap(); - let mut cmd = Command::new(compiler); - let executable = out_dir.join(exe("libcxx-version", self.target)); - cmd.arg("-o").arg(&executable).arg(builder.src.join("src/tools/libcxx-version/main.cpp")); - - builder.run_cmd(&mut cmd); + // This is a sanity-check specific step, which means it is frequently called (when using + // CI LLVM), and compiling `src/tools/libcxx-version/main.cpp` at the beginning of the bootstrap + // invocation adds a fair amount of overhead to the process (see https://github.com/rust-lang/rust/issues/126423). + // Therefore, we want to avoid recompiling this file unnecessarily. if !executable.exists() { - panic!("Something went wrong. {} is not present", executable.display()); + if !out_dir.exists() { + t!(fs::create_dir_all(&out_dir)); + } + + let compiler = builder.cxx(self.target).unwrap(); + let mut cmd = Command::new(compiler); + + cmd.arg("-o") + .arg(&executable) + .arg(builder.src.join("src/tools/libcxx-version/main.cpp")); + + builder.run_cmd(&mut cmd); + + if !executable.exists() { + panic!("Something went wrong. {} is not present", executable.display()); + } } let version_output = output(&mut Command::new(executable)); From e2e1afaf6d273f66b5c08a1c2efb16be311f4db7 Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Fri, 14 Jun 2024 13:10:04 +0300 Subject: [PATCH 1534/1716] update libstdc++ compatibility error log Signed-off-by: onur-ozkan --- src/bootstrap/src/core/sanity.rs | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/bootstrap/src/core/sanity.rs b/src/bootstrap/src/core/sanity.rs index b5f17b9f54ed..4d09c42c8ab0 100644 --- a/src/bootstrap/src/core/sanity.rs +++ b/src/bootstrap/src/core/sanity.rs @@ -128,6 +128,9 @@ pub fn check(build: &mut Build) { eprintln!( "Consider upgrading libstdc++ or disabling the `llvm.download-ci-llvm` option." ); + eprintln!( + "If you choose to upgrade libstdc++, run `x clean` or delete `build/host/libcxx-version` manually after the upgrade." + ); } } tool::LibcxxVersion::Llvm(_) => { From 7999dbbd3e62dfd1cf65e19ea1949e41935b997c Mon Sep 17 00:00:00 2001 From: DianQK Date: Fri, 14 Jun 2024 08:05:20 +0800 Subject: [PATCH 1535/1716] Regenerate `requirements.txt` by Python 3.9 --- src/tools/tidy/config/requirements.in | 6 ++-- src/tools/tidy/config/requirements.txt | 47 +++----------------------- 2 files changed, 8 insertions(+), 45 deletions(-) diff --git a/src/tools/tidy/config/requirements.in b/src/tools/tidy/config/requirements.in index 882e09dae459..047617c65598 100644 --- a/src/tools/tidy/config/requirements.in +++ b/src/tools/tidy/config/requirements.in @@ -1,10 +1,10 @@ # requirements.in This is the source file for our pinned version requirements # file "requirements.txt" To regenerate that file, pip-tools is required -# (`python -m pip install pip-tools`). Once installed, run: `pip-compile -# --generate-hashes src/tools/tidy/config/requirements.in` +# (`python -m pip install pip-tools==7.4.1`). Once installed, run: `pip-compile +# --generate-hashes --strip-extras src/tools/tidy/config/requirements.in` # # Note: this generation step should be run with the oldest supported python -# version (currently 3.7) to ensure backward compatibility +# version (currently 3.9) to ensure backward compatibility black==23.3.0 ruff==0.0.272 diff --git a/src/tools/tidy/config/requirements.txt b/src/tools/tidy/config/requirements.txt index 9fd617ad6219..a53c98cac7a0 100644 --- a/src/tools/tidy/config/requirements.txt +++ b/src/tools/tidy/config/requirements.txt @@ -1,8 +1,8 @@ # -# This file is autogenerated by pip-compile with Python 3.11 +# This file is autogenerated by pip-compile with Python 3.9 # by the following command: # -# pip-compile --generate-hashes src/tools/tidy/config/requirements.in +# pip-compile --generate-hashes --strip-extras src/tools/tidy/config/requirements.in # black==23.3.0 \ --hash=sha256:064101748afa12ad2291c2b91c960be28b817c0c7eaa35bec09cc63aa56493c5 \ @@ -35,10 +35,6 @@ click==8.1.3 \ --hash=sha256:7682dc8afb30297001674575ea00d1814d808d6a36af415a82bd481d37ba7b8e \ --hash=sha256:bb4d8133cb15a609f44e8213d9b391b0809795062913b383c62be0ee95b1db48 # via black -importlib-metadata==6.7.0 \ - --hash=sha256:1aaf550d4f73e5d6783e7acb77aec43d49da8017410afae93822cc9cca98c4d4 \ - --hash=sha256:cb52082e659e97afc5dac71e79de97d8681de3aa07ff18578330904a9d18e5b5 - # via click mypy-extensions==1.0.0 \ --hash=sha256:4392f6c0eb8a5668a69e23d168ffa70f0be9ccfd32b5cc2d26a34ae5b844552d \ --hash=sha256:75dbf8955dc00442a438fc4d0666508a9a97b6bd41aa2f0ffe9d2f2725af0782 @@ -78,40 +74,7 @@ tomli==2.0.1 \ --hash=sha256:939de3e7a6161af0c887ef91b7d41a53e7c5a1ca976325f429cb46ea9bc30ecc \ --hash=sha256:de526c12914f0c550d15924c62d72abc48d6fe7364aa87328337a31007fe8a4f # via black -typed-ast==1.5.4 \ - --hash=sha256:0261195c2062caf107831e92a76764c81227dae162c4f75192c0d489faf751a2 \ - --hash=sha256:0fdbcf2fef0ca421a3f5912555804296f0b0960f0418c440f5d6d3abb549f3e1 \ - --hash=sha256:183afdf0ec5b1b211724dfef3d2cad2d767cbefac291f24d69b00546c1837fb6 \ - --hash=sha256:211260621ab1cd7324e0798d6be953d00b74e0428382991adfddb352252f1d62 \ - --hash=sha256:267e3f78697a6c00c689c03db4876dd1efdfea2f251a5ad6555e82a26847b4ac \ - --hash=sha256:2efae9db7a8c05ad5547d522e7dbe62c83d838d3906a3716d1478b6c1d61388d \ - --hash=sha256:370788a63915e82fd6f212865a596a0fefcbb7d408bbbb13dea723d971ed8bdc \ - --hash=sha256:39e21ceb7388e4bb37f4c679d72707ed46c2fbf2a5609b8b8ebc4b067d977df2 \ - --hash=sha256:3e123d878ba170397916557d31c8f589951e353cc95fb7f24f6bb69adc1a8a97 \ - --hash=sha256:4879da6c9b73443f97e731b617184a596ac1235fe91f98d279a7af36c796da35 \ - --hash=sha256:4e964b4ff86550a7a7d56345c7864b18f403f5bd7380edf44a3c1fb4ee7ac6c6 \ - --hash=sha256:639c5f0b21776605dd6c9dbe592d5228f021404dafd377e2b7ac046b0349b1a1 \ - --hash=sha256:669dd0c4167f6f2cd9f57041e03c3c2ebf9063d0757dc89f79ba1daa2bfca9d4 \ - --hash=sha256:6778e1b2f81dfc7bc58e4b259363b83d2e509a65198e85d5700dfae4c6c8ff1c \ - --hash=sha256:683407d92dc953c8a7347119596f0b0e6c55eb98ebebd9b23437501b28dcbb8e \ - --hash=sha256:79b1e0869db7c830ba6a981d58711c88b6677506e648496b1f64ac7d15633aec \ - --hash=sha256:7d5d014b7daa8b0bf2eaef684295acae12b036d79f54178b92a2b6a56f92278f \ - --hash=sha256:98f80dee3c03455e92796b58b98ff6ca0b2a6f652120c263efdba4d6c5e58f72 \ - --hash=sha256:a94d55d142c9265f4ea46fab70977a1944ecae359ae867397757d836ea5a3f47 \ - --hash=sha256:a9916d2bb8865f973824fb47436fa45e1ebf2efd920f2b9f99342cb7fab93f72 \ - --hash=sha256:c542eeda69212fa10a7ada75e668876fdec5f856cd3d06829e6aa64ad17c8dfe \ - --hash=sha256:cf4afcfac006ece570e32d6fa90ab74a17245b83dfd6655a6f68568098345ff6 \ - --hash=sha256:ebd9d7f80ccf7a82ac5f88c521115cc55d84e35bf8b446fcd7836eb6b98929a3 \ - --hash=sha256:ed855bbe3eb3715fca349c80174cfcfd699c2f9de574d40527b8429acae23a66 +typing-extensions==4.12.2 \ + --hash=sha256:04e5ca0351e0f3f85c6853954072df659d0d13fac324d0072316b67d7794700d \ + --hash=sha256:1a7ead55c7e559dd4dee8856e3a88b41225abfe1ce8df57b7c13915fe121ffb8 # via black -typing-extensions==4.6.3 \ - --hash=sha256:88a4153d8505aabbb4e13aacb7c486c2b4a33ca3b3f807914a9b4c844c471c26 \ - --hash=sha256:d91d5919357fe7f681a9f2b5b4cb2a5f1ef0a1e9f59c4d8ff0d3491e05c0ffd5 - # via - # black - # importlib-metadata - # platformdirs -zipp==3.15.0 \ - --hash=sha256:112929ad649da941c23de50f356a2b5570c954b65150642bccdd66bf194d224b \ - --hash=sha256:48904fc76a60e542af151aded95726c1a5c34ed43ab4134b597665c86d7ad556 - # via importlib-metadata From ab7fc60a7389667f6e7eee952c4e1101f1746b3d Mon Sep 17 00:00:00 2001 From: DianQK Date: Fri, 14 Jun 2024 08:08:57 +0800 Subject: [PATCH 1536/1716] End support for Python 3.8 in tidy --- src/tools/tidy/src/ext_tool_checks.rs | 18 ++++-------------- 1 file changed, 4 insertions(+), 14 deletions(-) diff --git a/src/tools/tidy/src/ext_tool_checks.rs b/src/tools/tidy/src/ext_tool_checks.rs index fb626cac3fa0..995ad58cb621 100644 --- a/src/tools/tidy/src/ext_tool_checks.rs +++ b/src/tools/tidy/src/ext_tool_checks.rs @@ -24,9 +24,8 @@ use std::io; use std::path::{Path, PathBuf}; use std::process::Command; -/// Minimum python revision is 3.7 for ruff -const MIN_PY_REV: (u32, u32) = (3, 7); -const MIN_PY_REV_STR: &str = "≥3.7"; +const MIN_PY_REV: (u32, u32) = (3, 9); +const MIN_PY_REV_STR: &str = "≥3.9"; /// Path to find the python executable within a virtual environment #[cfg(target_os = "windows")] @@ -223,17 +222,8 @@ fn get_or_create_venv(venv_path: &Path, src_reqs_path: &Path) -> Result Result<(), Error> { /// Preferred python versions in order. Newest to oldest then current /// development versions - const TRY_PY: &[&str] = &[ - "python3.11", - "python3.10", - "python3.9", - "python3.8", - "python3.7", - "python3", - "python", - "python3.12", - "python3.13", - ]; + const TRY_PY: &[&str] = + &["python3.11", "python3.10", "python3.9", "python3", "python", "python3.12", "python3.13"]; let mut sys_py = None; let mut found = Vec::new(); From 267ba9ade20c151f5c51aad5db15bb9ba3914713 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Fri, 14 Jun 2024 13:50:17 +0200 Subject: [PATCH 1537/1716] Migrate `run-make/codegen-options-parsing` to `rmake.rs` --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - .../run-make/codegen-options-parsing/Makefile | 34 ----------- .../run-make/codegen-options-parsing/rmake.rs | 56 +++++++++++++++++++ 3 files changed, 56 insertions(+), 35 deletions(-) delete mode 100644 tests/run-make/codegen-options-parsing/Makefile create mode 100644 tests/run-make/codegen-options-parsing/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 14d7bfe9ad45..9621eff70c1e 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -12,7 +12,6 @@ run-make/c-unwind-abi-catch-panic/Makefile run-make/cat-and-grep-sanity-check/Makefile run-make/cdylib-dylib-linkage/Makefile run-make/cdylib-fewer-symbols/Makefile -run-make/codegen-options-parsing/Makefile run-make/comment-section/Makefile run-make/compiler-lookup-paths-2/Makefile run-make/compiler-lookup-paths/Makefile diff --git a/tests/run-make/codegen-options-parsing/Makefile b/tests/run-make/codegen-options-parsing/Makefile deleted file mode 100644 index beaf233502bb..000000000000 --- a/tests/run-make/codegen-options-parsing/Makefile +++ /dev/null @@ -1,34 +0,0 @@ -# This test intentionally feeds invalid inputs to codegen and checks if the error message outputs contain specific helpful indications. - -# ignore-cross-compile -include ../tools.mk - -all: - #Option taking a number - $(RUSTC) -C codegen-units dummy.rs 2>&1 | \ - $(CGREP) 'codegen option `codegen-units` requires a number' - $(RUSTC) -C codegen-units= dummy.rs 2>&1 | \ - $(CGREP) 'incorrect value `` for codegen option `codegen-units` - a number was expected' - $(RUSTC) -C codegen-units=foo dummy.rs 2>&1 | \ - $(CGREP) 'incorrect value `foo` for codegen option `codegen-units` - a number was expected' - $(RUSTC) -C codegen-units=1 dummy.rs - #Option taking a string - $(RUSTC) -C extra-filename dummy.rs 2>&1 | \ - $(CGREP) 'codegen option `extra-filename` requires a string' - $(RUSTC) -C extra-filename= dummy.rs 2>&1 - $(RUSTC) -C extra-filename=foo dummy.rs 2>&1 - #Option taking no argument - $(RUSTC) -C lto= dummy.rs 2>&1 | \ - $(CGREP) 'codegen option `lto` - either a boolean (`yes`, `no`, `on`, `off`, etc), `thin`, `fat`, or omitted' - $(RUSTC) -C lto=1 dummy.rs 2>&1 | \ - $(CGREP) 'codegen option `lto` - either a boolean (`yes`, `no`, `on`, `off`, etc), `thin`, `fat`, or omitted' - $(RUSTC) -C lto=foo dummy.rs 2>&1 | \ - $(CGREP) 'codegen option `lto` - either a boolean (`yes`, `no`, `on`, `off`, etc), `thin`, `fat`, or omitted' - $(RUSTC) -C lto dummy.rs - - # Should not link dead code... - $(RUSTC) --print link-args dummy.rs 2>&1 | \ - $(CGREP) -e '--gc-sections|-z[^ ]* [^ ]*|-dead_strip|/OPT:REF' - # ... unless you specifically ask to keep it - $(RUSTC) --print link-args -C link-dead-code dummy.rs 2>&1 | \ - $(CGREP) -ve '--gc-sections|-z[^ ]* [^ ]*|-dead_strip|/OPT:REF' diff --git a/tests/run-make/codegen-options-parsing/rmake.rs b/tests/run-make/codegen-options-parsing/rmake.rs new file mode 100644 index 000000000000..c78b41a88dc6 --- /dev/null +++ b/tests/run-make/codegen-options-parsing/rmake.rs @@ -0,0 +1,56 @@ +// This test intentionally feeds invalid inputs to codegen and checks if the error message outputs +// contain specific helpful indications. + +//@ ignore-cross-compile + +use run_make_support::regex::Regex; +use run_make_support::rustc; + +fn main() { + // Option taking a number. + rustc() + .input("dummy.rs") + .arg("-Ccodegen-units") + .run_fail() + .assert_stderr_contains("codegen option `codegen-units` requires a number"); + rustc().input("dummy.rs").arg("-Ccodegen-units=").run_fail().assert_stderr_contains( + "incorrect value `` for codegen option `codegen-units` - a number was expected", + ); + rustc().input("dummy.rs").arg("-Ccodegen-units=foo").run_fail().assert_stderr_contains( + "incorrect value `foo` for codegen option `codegen-units` - a number was expected", + ); + rustc().input("dummy.rs").arg("-Ccodegen-units=1").run(); + + // Option taking a string. + rustc() + .input("dummy.rs") + .arg("-Cextra-filename") + .run_fail() + .assert_stderr_contains("codegen option `extra-filename` requires a string"); + rustc().input("dummy.rs").arg("-Cextra-filename=").run(); + rustc().input("dummy.rs").arg("-Cextra-filename=foo").run(); + + // Option taking no argument. + rustc().input("dummy.rs").arg("-Clto=").run_fail().assert_stderr_contains( + "codegen option `lto` - either a boolean (`yes`, `no`, `on`, `off`, etc), `thin`, \ + `fat`, or omitted", + ); + rustc().input("dummy.rs").arg("-Clto=1").run_fail().assert_stderr_contains( + "codegen option `lto` - either a boolean (`yes`, `no`, `on`, `off`, etc), `thin`, \ + `fat`, or omitted", + ); + rustc().input("dummy.rs").arg("-Clto=foo").run_fail().assert_stderr_contains( + "codegen option `lto` - either a boolean (`yes`, `no`, `on`, `off`, etc), `thin`, \ + `fat`, or omitted", + ); + rustc().input("dummy.rs").arg("-Clto").run(); + + let regex = Regex::new("--gc-sections|-z[^ ]* [^ ]*|-dead_strip|/OPT:REF").unwrap(); + // Should not link dead code... + let stdout = rustc().input("dummy.rs").print("link-args").run().stdout_utf8(); + assert!(regex.is_match(&stdout)); + // ... unless you specifically ask to keep it + let stdout = + rustc().input("dummy.rs").print("link-args").arg("-Clink-dead-code").run().stdout_utf8(); + assert!(!regex.is_match(&stdout)); +} From b4df72aae2a7f9ac13d4497e03f0681b6fec2010 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Fri, 14 Jun 2024 15:49:09 +0200 Subject: [PATCH 1538/1716] Do not enable `llvm-bitcode-linker` in most default bootstrap profiles --- config.example.toml | 4 ++-- src/bootstrap/defaults/config.compiler.toml | 2 -- src/bootstrap/defaults/config.dist.toml | 2 +- src/bootstrap/defaults/config.library.toml | 2 -- src/bootstrap/defaults/config.tools.toml | 2 -- 5 files changed, 3 insertions(+), 9 deletions(-) diff --git a/config.example.toml b/config.example.toml index fb45493ec4a1..76541ee4e9e7 100644 --- a/config.example.toml +++ b/config.example.toml @@ -657,7 +657,7 @@ # whether to set it as rustc's default linker on `x86_64-unknown-linux-gnu`. This will also only be # when *not* building an external LLVM (so only when using `download-ci-llvm` or building LLVM from # the in-tree source): setting `llvm-config` in the `[target.x86_64-unknown-linux-gnu]` section will -# make this default to false. +# make this default to false. #lld = false in all cases, except on `x86_64-unknown-linux-gnu` as described above, where it is true # Indicates whether LLD will be used to link Rust crates during bootstrap on @@ -676,7 +676,7 @@ #llvm-tools = true # Indicates whether the `self-contained` llvm-bitcode-linker, will be made available -# in the sysroot +# in the sysroot. It is required for running nvptx tests. #llvm-bitcode-linker = false # Whether to deny warnings in crates diff --git a/src/bootstrap/defaults/config.compiler.toml b/src/bootstrap/defaults/config.compiler.toml index fd2da2469908..789586b58f70 100644 --- a/src/bootstrap/defaults/config.compiler.toml +++ b/src/bootstrap/defaults/config.compiler.toml @@ -19,8 +19,6 @@ lto = "off" # Forces frame pointers to be used with `-Cforce-frame-pointers`. # This can be helpful for profiling at a small performance cost. frame-pointers = true -# Build the llvm-bitcode-linker as it is required for running nvptx tests -llvm-bitcode-linker = true [llvm] # Having this set to true disrupts compiler development workflows for people who use `llvm.download-ci-llvm = true` diff --git a/src/bootstrap/defaults/config.dist.toml b/src/bootstrap/defaults/config.dist.toml index f3c6ffc9bd51..d06930f2b9d9 100644 --- a/src/bootstrap/defaults/config.dist.toml +++ b/src/bootstrap/defaults/config.dist.toml @@ -16,7 +16,7 @@ download-ci-llvm = false # Make sure they don't get set when installing from source. channel = "nightly" download-rustc = false -# Build the llvm-bitcode-linker as it is required for running nvptx tests +# Build the llvm-bitcode-linker llvm-bitcode-linker = true [dist] diff --git a/src/bootstrap/defaults/config.library.toml b/src/bootstrap/defaults/config.library.toml index 4a1a49b72752..087544397f5e 100644 --- a/src/bootstrap/defaults/config.library.toml +++ b/src/bootstrap/defaults/config.library.toml @@ -10,8 +10,6 @@ bench-stage = 0 incremental = true # Make the compiler and standard library faster to build, at the expense of a ~20% runtime slowdown. lto = "off" -# Build the llvm-bitcode-linker as it is required for running nvptx tests -llvm-bitcode-linker = true [llvm] # Will download LLVM from CI if available on your platform. diff --git a/src/bootstrap/defaults/config.tools.toml b/src/bootstrap/defaults/config.tools.toml index 94c8b724cbf8..6e6c36600279 100644 --- a/src/bootstrap/defaults/config.tools.toml +++ b/src/bootstrap/defaults/config.tools.toml @@ -12,8 +12,6 @@ incremental = true # Using these defaults will download the stage2 compiler (see `download-rustc` # setting) and the stage2 toolchain should therefore be used for these defaults. download-rustc = "if-unchanged" -# Build the llvm-bitcode-linker as it is required for running nvptx tests -llvm-bitcode-linker = true [build] # Document with the in-tree rustdoc by default, since `download-rustc` makes it quick to compile. From ff82e43ca3dfc91e85c15070f836ca9cd692a476 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Thu, 13 Jun 2024 16:10:49 -0400 Subject: [PATCH 1539/1716] rewrite and rename issue-64153 to rmake.rs --- src/tools/run-make-support/src/lib.rs | 3 +- src/tools/run-make-support/src/llvm.rs | 30 +++++++++++++ .../run-make-support/src/llvm_readobj.rs | 45 ------------------- tests/run-make/issue-64153/Makefile | 26 ----------- .../downstream.rs | 0 .../lto-avoid-object-duplication/rmake.rs | 37 +++++++++++++++ .../upstream.rs | 0 7 files changed, 69 insertions(+), 72 deletions(-) delete mode 100644 src/tools/run-make-support/src/llvm_readobj.rs delete mode 100644 tests/run-make/issue-64153/Makefile rename tests/run-make/{issue-64153 => lto-avoid-object-duplication}/downstream.rs (100%) create mode 100644 tests/run-make/lto-avoid-object-duplication/rmake.rs rename tests/run-make/{issue-64153 => lto-avoid-object-duplication}/upstream.rs (100%) diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index ba4524c150c4..2397fa767d8e 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -30,7 +30,8 @@ pub use cc::{cc, extra_c_flags, extra_cxx_flags, Cc}; pub use clang::{clang, Clang}; pub use diff::{diff, Diff}; pub use llvm::{ - llvm_filecheck, llvm_profdata, llvm_readobj, LlvmFilecheck, LlvmProfdata, LlvmReadobj, + llvm_filecheck, llvm_objdump, llvm_profdata, llvm_readobj, LlvmFilecheck, LlvmObjdump, + LlvmProfdata, LlvmReadobj, }; pub use run::{cmd, run, run_fail, run_with_args}; pub use rustc::{aux_build, rustc, Rustc}; diff --git a/src/tools/run-make-support/src/llvm.rs b/src/tools/run-make-support/src/llvm.rs index 414251abda29..d9eb25eec84a 100644 --- a/src/tools/run-make-support/src/llvm.rs +++ b/src/tools/run-make-support/src/llvm.rs @@ -20,6 +20,12 @@ pub fn llvm_filecheck() -> LlvmFilecheck { LlvmFilecheck::new() } +/// Construct a new `llvm-objdump` invocation. This assumes that `llvm-objdump` is available +/// at `$LLVM_BIN_DIR/llvm-objdump`. +pub fn llvm_objdump() -> LlvmObjdump { + LlvmObjdump::new() +} + /// A `llvm-readobj` invocation builder. #[derive(Debug)] #[must_use] @@ -41,9 +47,17 @@ pub struct LlvmFilecheck { cmd: Command, } +/// A `llvm-objdump` invocation builder. +#[derive(Debug)] +#[must_use] +pub struct LlvmObjdump { + cmd: Command, +} + crate::impl_common_helpers!(LlvmReadobj); crate::impl_common_helpers!(LlvmProfdata); crate::impl_common_helpers!(LlvmFilecheck); +crate::impl_common_helpers!(LlvmObjdump); /// Generate the path to the bin directory of LLVM. #[must_use] @@ -125,3 +139,19 @@ impl LlvmFilecheck { self } } + +impl LlvmObjdump { + /// Construct a new `llvm-objdump` invocation. This assumes that `llvm-objdump` is available + /// at `$LLVM_BIN_DIR/llvm-objdump`. + pub fn new() -> Self { + let llvm_objdump = llvm_bin_dir().join("llvm-objdump"); + let cmd = Command::new(llvm_objdump); + Self { cmd } + } + + /// Provide an input file. + pub fn input>(&mut self, path: P) -> &mut Self { + self.cmd.arg(path.as_ref()); + self + } +} diff --git a/src/tools/run-make-support/src/llvm_readobj.rs b/src/tools/run-make-support/src/llvm_readobj.rs deleted file mode 100644 index 3c719356e8f3..000000000000 --- a/src/tools/run-make-support/src/llvm_readobj.rs +++ /dev/null @@ -1,45 +0,0 @@ -use std::path::{Path, PathBuf}; - -use crate::command::Command; -use crate::env_var; - -/// Construct a new `llvm-readobj` invocation. This assumes that `llvm-readobj` is available -/// at `$LLVM_BIN_DIR/llvm-readobj`. -#[track_caller] -pub fn llvm_readobj() -> LlvmReadobj { - LlvmReadobj::new() -} - -/// A `llvm-readobj` invocation builder. -#[derive(Debug)] -#[must_use] -pub struct LlvmReadobj { - cmd: Command, -} - -crate::impl_common_helpers!(LlvmReadobj); - -impl LlvmReadobj { - /// Construct a new `llvm-readobj` invocation. This assumes that `llvm-readobj` is available - /// at `$LLVM_BIN_DIR/llvm-readobj`. - #[track_caller] - pub fn new() -> Self { - let llvm_bin_dir = env_var("LLVM_BIN_DIR"); - let llvm_bin_dir = PathBuf::from(llvm_bin_dir); - let llvm_readobj = llvm_bin_dir.join("llvm-readobj"); - let cmd = Command::new(llvm_readobj); - Self { cmd } - } - - /// Provide an input file. - pub fn input>(&mut self, path: P) -> &mut Self { - self.cmd.arg(path.as_ref()); - self - } - - /// Pass `--file-header` to display file headers. - pub fn file_header(&mut self) -> &mut Self { - self.cmd.arg("--file-header"); - self - } -} diff --git a/tests/run-make/issue-64153/Makefile b/tests/run-make/issue-64153/Makefile deleted file mode 100644 index f42ea620fb9d..000000000000 --- a/tests/run-make/issue-64153/Makefile +++ /dev/null @@ -1,26 +0,0 @@ -include ../tools.mk - -# `llvm-objdump`'s output looks different on windows than on other platforms. -# It should be enough to check on Unix platforms, so: -# ignore-windows - -# Staticlibs don't include Rust object files from upstream crates if the same -# code was already pulled into the lib via LTO. However, the bug described in -# https://github.com/rust-lang/rust/issues/64153 lead to this exclusion not -# working properly if the upstream crate was compiled with an explicit filename -# (via `-o`). -# -# This test makes sure that functions defined in the upstream crates do not -# appear twice in the final staticlib when listing all the symbols from it. - -all: - $(RUSTC) --crate-type rlib upstream.rs -o $(TMPDIR)/libupstream.rlib -Ccodegen-units=1 - $(RUSTC) --crate-type staticlib downstream.rs -Clto -Ccodegen-units=1 -o $(TMPDIR)/libdownstream.a - # Dump all the symbols from the staticlib into `syms` - "$(LLVM_BIN_DIR)"/llvm-objdump -t $(TMPDIR)/libdownstream.a > $(TMPDIR)/syms - # Count the global instances of `issue64153_test_function`. There'll be 2 - # if the `upstream` object file got erroneously included twice. - # The line we are testing for with the regex looks something like: - # 0000000000000000 g F .text.issue64153_test_function 00000023 issue64153_test_function - grep -c -e "[[:space:]]g[[:space:]]*F[[:space:]].*issue64153_test_function" $(TMPDIR)/syms > $(TMPDIR)/count - [ "$$(cat $(TMPDIR)/count)" -eq "1" ] diff --git a/tests/run-make/issue-64153/downstream.rs b/tests/run-make/lto-avoid-object-duplication/downstream.rs similarity index 100% rename from tests/run-make/issue-64153/downstream.rs rename to tests/run-make/lto-avoid-object-duplication/downstream.rs diff --git a/tests/run-make/lto-avoid-object-duplication/rmake.rs b/tests/run-make/lto-avoid-object-duplication/rmake.rs new file mode 100644 index 000000000000..018e6a25b925 --- /dev/null +++ b/tests/run-make/lto-avoid-object-duplication/rmake.rs @@ -0,0 +1,37 @@ +// Staticlibs don't include Rust object files from upstream crates if the same +// code was already pulled into the lib via LTO. However, the bug described in +// https://github.com/rust-lang/rust/issues/64153 lead to this exclusion not +// working properly if the upstream crate was compiled with an explicit filename +// (via `-o`). + +// This test makes sure that functions defined in the upstream crates do not +// appear twice in the final staticlib when listing all the symbols from it. + +//@ ignore-windows +// Reason: `llvm-objdump`'s output looks different on windows than on other platforms. +// Only checking on Unix platforms should suffice. + +use run_make_support::{llvm_objdump, regex, rust_lib_name, rustc, static_lib_name}; + +fn main() { + rustc() + .crate_type("rlib") + .input("upstream.rs") + .output(rust_lib_name("upstream")) + .codegen_units(1) + .run(); + rustc() + .crate_type("staticlib") + .input("downstream.rs") + .arg("-Clto") + .output(static_lib_name("downstream")) + .codegen_units(1) + .run(); + let syms = llvm_objdump().arg("-t").input(static_lib_name("downstream")).run().stdout_utf8(); + let re = regex::Regex::new(r#"(?m)\s*g\s*F\s.*issue64153_test_function"#).unwrap(); + // Count the global instances of `issue64153_test_function`. There'll be 2 + // if the `upstream` object file got erroneously included twice. + // The line we are testing for with the regex looks something like: + // 0000000000000000 g F .text.issue64153_test_function 00000023 issue64153_test_function + assert_eq!(re.find_iter(syms.as_str()).count(), 1); +} diff --git a/tests/run-make/issue-64153/upstream.rs b/tests/run-make/lto-avoid-object-duplication/upstream.rs similarity index 100% rename from tests/run-make/issue-64153/upstream.rs rename to tests/run-make/lto-avoid-object-duplication/upstream.rs From cabc9822537a7ded20a64092917bf81d3f994c71 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Thu, 13 Jun 2024 16:19:59 -0400 Subject: [PATCH 1540/1716] rewrite invalid-staticlib to rmake --- .../tidy/src/allowed_run_make_makefiles.txt | 2 -- tests/run-make/invalid-staticlib/Makefile | 5 ----- tests/run-make/invalid-staticlib/rmake.rs | 17 +++++++++++++++++ 3 files changed, 17 insertions(+), 7 deletions(-) delete mode 100644 tests/run-make/invalid-staticlib/Makefile create mode 100644 tests/run-make/invalid-staticlib/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index be9df226d64e..a4ca3151baa5 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -75,7 +75,6 @@ run-make/interdependent-c-libraries/Makefile run-make/intrinsic-unreachable/Makefile run-make/invalid-library/Makefile run-make/invalid-so/Makefile -run-make/invalid-staticlib/Makefile run-make/issue-107094/Makefile run-make/issue-10971-temps-dir/Makefile run-make/issue-109934-lto-debuginfo/Makefile @@ -96,7 +95,6 @@ run-make/issue-40535/Makefile run-make/issue-47384/Makefile run-make/issue-47551/Makefile run-make/issue-51671/Makefile -run-make/issue-64153/Makefile run-make/issue-68794-textrel-on-minimal-lib/Makefile run-make/issue-69368/Makefile run-make/issue-83045/Makefile diff --git a/tests/run-make/invalid-staticlib/Makefile b/tests/run-make/invalid-staticlib/Makefile deleted file mode 100644 index 3f0f74ce3cb0..000000000000 --- a/tests/run-make/invalid-staticlib/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -include ../tools.mk - -all: - touch $(TMPDIR)/libfoo.a - echo | $(RUSTC) - --crate-type=rlib -lstatic=foo 2>&1 | $(CGREP) "failed to add native library" diff --git a/tests/run-make/invalid-staticlib/rmake.rs b/tests/run-make/invalid-staticlib/rmake.rs new file mode 100644 index 000000000000..451292932477 --- /dev/null +++ b/tests/run-make/invalid-staticlib/rmake.rs @@ -0,0 +1,17 @@ +// If the static library provided is not valid (in this test, +// created as an empty file), +// rustc should print a normal error message and not throw +// an internal compiler error (ICE). +// See https://github.com/rust-lang/rust/pull/28673 + +use run_make_support::{fs_wrapper, rustc, static_lib_name}; + +fn main() { + fs_wrapper::create_file(static_lib_name("foo")); + rustc() + .arg("-") + .crate_type("rlib") + .arg("-lstatic=foo") + .run_fail() + .assert_stderr_contains("failed to add native library"); +} From 4f97ab54c452400b47e3518e17d18ada7675f07d Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sat, 18 May 2024 16:56:08 -0400 Subject: [PATCH 1541/1716] Resolve elided lifetimes in assoc const to static if no other lifetimes are in scope --- compiler/rustc_lint/messages.ftl | 1 + .../rustc_lint/src/context/diagnostics.rs | 15 ++- compiler/rustc_lint/src/lints.rs | 2 + compiler/rustc_lint_defs/src/builtin.rs | 8 +- compiler/rustc_lint_defs/src/lib.rs | 1 + compiler/rustc_resolve/src/late.rs | 104 +++++++++++------- tests/ui/associated-consts/double-elided.rs | 8 +- .../ui/associated-consts/double-elided.stderr | 47 -------- ...nfer-placeholder-in-non-suggestable-pos.rs | 2 - ...-placeholder-in-non-suggestable-pos.stderr | 16 +-- .../consts/assoc-const-elided-lifetime.stderr | 12 ++ 11 files changed, 101 insertions(+), 115 deletions(-) delete mode 100644 tests/ui/associated-consts/double-elided.stderr diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index 733c73bc3d07..ec22da407fa9 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -14,6 +14,7 @@ lint_associated_const_elided_lifetime = {$elided -> *[false] `'_` cannot be used here } .suggestion = use the `'static` lifetime + .note = cannot automatically infer `'static` because of other lifetimes in scope lint_async_fn_in_trait = use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified .note = you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future` diff --git a/compiler/rustc_lint/src/context/diagnostics.rs b/compiler/rustc_lint/src/context/diagnostics.rs index 83640d7210fa..290bb5173dbe 100644 --- a/compiler/rustc_lint/src/context/diagnostics.rs +++ b/compiler/rustc_lint/src/context/diagnostics.rs @@ -319,11 +319,20 @@ pub(super) fn decorate_lint(sess: &Session, diagnostic: BuiltinLintDiag, diag: & BuiltinLintDiag::UnusedQualifications { removal_span } => { lints::UnusedQualifications { removal_span }.decorate_lint(diag); } - BuiltinLintDiag::AssociatedConstElidedLifetime { elided, span: lt_span } => { + BuiltinLintDiag::AssociatedConstElidedLifetime { + elided, + span: lt_span, + lifetimes_in_scope, + } => { let lt_span = if elided { lt_span.shrink_to_hi() } else { lt_span }; let code = if elided { "'static " } else { "'static" }; - lints::AssociatedConstElidedLifetime { span: lt_span, code, elided } - .decorate_lint(diag); + lints::AssociatedConstElidedLifetime { + span: lt_span, + code, + elided, + lifetimes_in_scope, + } + .decorate_lint(diag); } BuiltinLintDiag::RedundantImportVisibility { max_vis, span: vis_span, import_vis } => { lints::RedundantImportVisibility { span: vis_span, help: (), max_vis, import_vis } diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index b377da31a581..698317ebf7b9 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -2865,6 +2865,8 @@ pub struct AssociatedConstElidedLifetime { pub code: &'static str, pub elided: bool, + #[note] + pub lifetimes_in_scope: MultiSpan, } #[derive(LintDiagnostic)] diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs index a12c76037e77..1913b9d6a1c3 100644 --- a/compiler/rustc_lint_defs/src/builtin.rs +++ b/compiler/rustc_lint_defs/src/builtin.rs @@ -4593,16 +4593,18 @@ declare_lint! { declare_lint! { /// The `elided_lifetimes_in_associated_constant` lint detects elided lifetimes - /// that were erroneously allowed in associated constants. + /// in associated constants when there are other lifetimes in scope. This was + /// accidentally supported, and this lint was later relaxed to allow eliding + /// lifetimes to `'static` when there are no lifetimes in scope. /// /// ### Example /// /// ```rust,compile_fail /// #![deny(elided_lifetimes_in_associated_constant)] /// - /// struct Foo; + /// struct Foo<'a>(&'a ()); /// - /// impl Foo { + /// impl<'a> Foo<'a> { /// const STR: &str = "hello, world"; /// } /// ``` diff --git a/compiler/rustc_lint_defs/src/lib.rs b/compiler/rustc_lint_defs/src/lib.rs index 1ce95df34041..70330c445776 100644 --- a/compiler/rustc_lint_defs/src/lib.rs +++ b/compiler/rustc_lint_defs/src/lib.rs @@ -696,6 +696,7 @@ pub enum BuiltinLintDiag { AssociatedConstElidedLifetime { elided: bool, span: Span, + lifetimes_in_scope: MultiSpan, }, RedundantImportVisibility { span: Span, diff --git a/compiler/rustc_resolve/src/late.rs b/compiler/rustc_resolve/src/late.rs index b0adc3775f66..20926366ba5e 100644 --- a/compiler/rustc_resolve/src/late.rs +++ b/compiler/rustc_resolve/src/late.rs @@ -310,9 +310,10 @@ enum LifetimeRibKind { /// error on default object bounds (e.g., `Box`). AnonymousReportError, - /// Resolves elided lifetimes to `'static`, but gives a warning that this behavior - /// is a bug and will be reverted soon. - AnonymousWarn(NodeId), + /// Resolves elided lifetimes to `'static` if there are no other lifetimes in scope, + /// otherwise give a warning that the previous behavior of introducing a new early-bound + /// lifetime is a bug and will be removed. + StaticIfNoLifetimeInScope(NodeId), /// Signal we cannot find which should be the anonymous lifetime. ElisionFailure, @@ -1212,7 +1213,7 @@ impl<'a: 'ast, 'ast, 'tcx> Visitor<'ast> for LateResolutionVisitor<'a, '_, 'ast, } LifetimeRibKind::AnonymousCreateParameter { .. } | LifetimeRibKind::AnonymousReportError - | LifetimeRibKind::AnonymousWarn(_) + | LifetimeRibKind::StaticIfNoLifetimeInScope(_) | LifetimeRibKind::Elided(_) | LifetimeRibKind::ElisionFailure | LifetimeRibKind::ConcreteAnonConst(_) @@ -1580,7 +1581,7 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { // lifetime would be illegal. LifetimeRibKind::Item | LifetimeRibKind::AnonymousReportError - | LifetimeRibKind::AnonymousWarn(_) + | LifetimeRibKind::StaticIfNoLifetimeInScope(_) | LifetimeRibKind::ElisionFailure => Some(LifetimeUseSet::Many), // An anonymous lifetime is legal here, and bound to the right // place, go ahead. @@ -1643,7 +1644,7 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { | LifetimeRibKind::Generics { .. } | LifetimeRibKind::ElisionFailure | LifetimeRibKind::AnonymousReportError - | LifetimeRibKind::AnonymousWarn(_) => {} + | LifetimeRibKind::StaticIfNoLifetimeInScope(_) => {} } } @@ -1677,16 +1678,36 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { self.record_lifetime_res(lifetime.id, res, elision_candidate); return; } - LifetimeRibKind::AnonymousWarn(node_id) => { - self.r.lint_buffer.buffer_lint( - lint::builtin::ELIDED_LIFETIMES_IN_ASSOCIATED_CONSTANT, - node_id, - lifetime.ident.span, - lint::BuiltinLintDiag::AssociatedConstElidedLifetime { - elided, - span: lifetime.ident.span, - }, - ); + LifetimeRibKind::StaticIfNoLifetimeInScope(node_id) => { + let mut lifetimes_in_scope = vec![]; + for rib in &self.lifetime_ribs[..i] { + lifetimes_in_scope.extend(rib.bindings.iter().map(|(ident, _)| ident.span)); + // Consider any anonymous lifetimes, too + if let LifetimeRibKind::AnonymousCreateParameter { binder, .. } = rib.kind + && let Some(extra) = self.r.extra_lifetime_params_map.get(&binder) + { + lifetimes_in_scope.extend(extra.iter().map(|(ident, _, _)| ident.span)); + } + } + if lifetimes_in_scope.is_empty() { + self.record_lifetime_res( + lifetime.id, + LifetimeRes::Static, + elision_candidate, + ); + return; + } else { + self.r.lint_buffer.buffer_lint( + lint::builtin::ELIDED_LIFETIMES_IN_ASSOCIATED_CONSTANT, + node_id, + lifetime.ident.span, + lint::BuiltinLintDiag::AssociatedConstElidedLifetime { + elided, + span: lifetime.ident.span, + lifetimes_in_scope: lifetimes_in_scope.into(), + }, + ); + } } LifetimeRibKind::AnonymousReportError => { if elided { @@ -1904,7 +1925,7 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { // impl Foo for std::cell::Ref // note lack of '_ // async fn foo(_: std::cell::Ref) { ... } LifetimeRibKind::AnonymousCreateParameter { report_in_path: true, .. } - | LifetimeRibKind::AnonymousWarn(_) => { + | LifetimeRibKind::StaticIfNoLifetimeInScope(_) => { let sess = self.r.tcx.sess; let subdiag = rustc_errors::elided_lifetime_in_path_suggestion( sess.source_map(), @@ -3030,30 +3051,33 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { kind: LifetimeBinderKind::ConstItem, }, |this| { - this.with_lifetime_rib(LifetimeRibKind::AnonymousWarn(item.id), |this| { - // If this is a trait impl, ensure the const - // exists in trait - this.check_trait_item( - item.id, - item.ident, - &item.kind, - ValueNS, - item.span, - seen_trait_items, - |i, s, c| ConstNotMemberOfTrait(i, s, c), - ); + this.with_lifetime_rib( + LifetimeRibKind::StaticIfNoLifetimeInScope(item.id), + |this| { + // If this is a trait impl, ensure the const + // exists in trait + this.check_trait_item( + item.id, + item.ident, + &item.kind, + ValueNS, + item.span, + seen_trait_items, + |i, s, c| ConstNotMemberOfTrait(i, s, c), + ); - this.visit_generics(generics); - this.visit_ty(ty); - if let Some(expr) = expr { - // We allow arbitrary const expressions inside of associated consts, - // even if they are potentially not const evaluatable. - // - // Type parameters can already be used and as associated consts are - // not used as part of the type system, this is far less surprising. - this.resolve_const_body(expr, None); - } - }); + this.visit_generics(generics); + this.visit_ty(ty); + if let Some(expr) = expr { + // We allow arbitrary const expressions inside of associated consts, + // even if they are potentially not const evaluatable. + // + // Type parameters can already be used and as associated consts are + // not used as part of the type system, this is far less surprising. + this.resolve_const_body(expr, None); + } + }, + ); }, ); } diff --git a/tests/ui/associated-consts/double-elided.rs b/tests/ui/associated-consts/double-elided.rs index fd0317781bb1..6831b599374a 100644 --- a/tests/ui/associated-consts/double-elided.rs +++ b/tests/ui/associated-consts/double-elided.rs @@ -1,12 +1,10 @@ +//@ check-pass + struct S; impl S { const C: &&str = &""; - //~^ WARN `&` without an explicit lifetime name cannot be used here - //~| WARN this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - //~| WARN `&` without an explicit lifetime name cannot be used here - //~| WARN this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - //~| ERROR in type `&&str`, reference has a longer lifetime than the data it references + // Now resolves to `&'static &'static str`. } fn main() {} diff --git a/tests/ui/associated-consts/double-elided.stderr b/tests/ui/associated-consts/double-elided.stderr deleted file mode 100644 index 67834788ccd4..000000000000 --- a/tests/ui/associated-consts/double-elided.stderr +++ /dev/null @@ -1,47 +0,0 @@ -warning: `&` without an explicit lifetime name cannot be used here - --> $DIR/double-elided.rs:4:14 - | -LL | const C: &&str = &""; - | ^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #115010 - = note: `#[warn(elided_lifetimes_in_associated_constant)]` on by default -help: use the `'static` lifetime - | -LL | const C: &'static &str = &""; - | +++++++ - -warning: `&` without an explicit lifetime name cannot be used here - --> $DIR/double-elided.rs:4:15 - | -LL | const C: &&str = &""; - | ^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #115010 -help: use the `'static` lifetime - | -LL | const C: &&'static str = &""; - | +++++++ - -error[E0491]: in type `&&str`, reference has a longer lifetime than the data it references - --> $DIR/double-elided.rs:4:5 - | -LL | const C: &&str = &""; - | ^^^^^^^^^^^^^^^^^^^^^ - | -note: the pointer is valid for the anonymous lifetime as defined here - --> $DIR/double-elided.rs:4:14 - | -LL | const C: &&str = &""; - | ^ -note: but the referenced data is only valid for the anonymous lifetime as defined here - --> $DIR/double-elided.rs:4:14 - | -LL | const C: &&str = &""; - | ^ - -error: aborting due to 1 previous error; 2 warnings emitted - -For more information about this error, try `rustc --explain E0491`. diff --git a/tests/ui/associated-consts/infer-placeholder-in-non-suggestable-pos.rs b/tests/ui/associated-consts/infer-placeholder-in-non-suggestable-pos.rs index 1e0b77b0d3bd..40896c32e111 100644 --- a/tests/ui/associated-consts/infer-placeholder-in-non-suggestable-pos.rs +++ b/tests/ui/associated-consts/infer-placeholder-in-non-suggestable-pos.rs @@ -5,8 +5,6 @@ trait Trait { impl Trait for () { const ASSOC: &dyn Fn(_) = 1i32; //~^ ERROR the placeholder `_` is not allowed within types on item signatures for associated constants - //~| WARN `&` without an explicit lifetime name cannot be used here - //~| WARN this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! } fn main() {} diff --git a/tests/ui/associated-consts/infer-placeholder-in-non-suggestable-pos.stderr b/tests/ui/associated-consts/infer-placeholder-in-non-suggestable-pos.stderr index e946491a0848..6b8ba9af7a07 100644 --- a/tests/ui/associated-consts/infer-placeholder-in-non-suggestable-pos.stderr +++ b/tests/ui/associated-consts/infer-placeholder-in-non-suggestable-pos.stderr @@ -1,23 +1,9 @@ -warning: `&` without an explicit lifetime name cannot be used here - --> $DIR/infer-placeholder-in-non-suggestable-pos.rs:6:18 - | -LL | const ASSOC: &dyn Fn(_) = 1i32; - | ^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #115010 - = note: `#[warn(elided_lifetimes_in_associated_constant)]` on by default -help: use the `'static` lifetime - | -LL | const ASSOC: &'static dyn Fn(_) = 1i32; - | +++++++ - error[E0121]: the placeholder `_` is not allowed within types on item signatures for associated constants --> $DIR/infer-placeholder-in-non-suggestable-pos.rs:6:26 | LL | const ASSOC: &dyn Fn(_) = 1i32; | ^ not allowed in type signatures -error: aborting due to 1 previous error; 1 warning emitted +error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0121`. diff --git a/tests/ui/consts/assoc-const-elided-lifetime.stderr b/tests/ui/consts/assoc-const-elided-lifetime.stderr index a1eeaff4ba87..3e847298c356 100644 --- a/tests/ui/consts/assoc-const-elided-lifetime.stderr +++ b/tests/ui/consts/assoc-const-elided-lifetime.stderr @@ -6,6 +6,11 @@ LL | const FOO: Foo<'_> = Foo { x: PhantomData::<&()> }; | = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #115010 +note: cannot automatically infer `'static` because of other lifetimes in scope + --> $DIR/assoc-const-elided-lifetime.rs:9:6 + | +LL | impl<'a> Foo<'a> { + | ^^ note: the lint level is defined here --> $DIR/assoc-const-elided-lifetime.rs:1:9 | @@ -24,6 +29,13 @@ LL | const BAR: &() = &(); | = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #115010 +note: cannot automatically infer `'static` because of other lifetimes in scope + --> $DIR/assoc-const-elided-lifetime.rs:9:6 + | +LL | impl<'a> Foo<'a> { + | ^^ +LL | const FOO: Foo<'_> = Foo { x: PhantomData::<&()> }; + | ^^ help: use the `'static` lifetime | LL | const BAR: &'static () = &(); From 805397c16f7629f1357d59c676f3a6d4c9e96244 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Thu, 13 Jun 2024 20:33:43 -0400 Subject: [PATCH 1542/1716] Add more tests --- .../elided-lifetime.rs | 23 ++++++++ .../elided-lifetime.stderr | 59 +++++++++++++++++++ .../generic-associated-const.rs | 20 +++++++ .../generic-associated-const.stderr | 57 ++++++++++++++++++ .../static-default-lifetime/inner-item.rs | 21 +++++++ .../static-trait-impl.rs | 20 +++++++ .../static-trait-impl.stderr | 45 ++++++++++++++ 7 files changed, 245 insertions(+) create mode 100644 tests/ui/consts/static-default-lifetime/elided-lifetime.rs create mode 100644 tests/ui/consts/static-default-lifetime/elided-lifetime.stderr create mode 100644 tests/ui/consts/static-default-lifetime/generic-associated-const.rs create mode 100644 tests/ui/consts/static-default-lifetime/generic-associated-const.stderr create mode 100644 tests/ui/consts/static-default-lifetime/inner-item.rs create mode 100644 tests/ui/consts/static-default-lifetime/static-trait-impl.rs create mode 100644 tests/ui/consts/static-default-lifetime/static-trait-impl.stderr diff --git a/tests/ui/consts/static-default-lifetime/elided-lifetime.rs b/tests/ui/consts/static-default-lifetime/elided-lifetime.rs new file mode 100644 index 000000000000..e1d9791625b3 --- /dev/null +++ b/tests/ui/consts/static-default-lifetime/elided-lifetime.rs @@ -0,0 +1,23 @@ +#![deny(elided_lifetimes_in_associated_constant)] + +struct Foo<'a>(&'a ()); + +impl Foo<'_> { + const STATIC: &str = ""; + //~^ ERROR `&` without an explicit lifetime name cannot be used here + //~| WARN this was previously accepted by the compiler but is being phased out +} + +trait Bar { + const STATIC: &'static str; + // TODO^ +} + +impl Bar for Foo<'_> { + const STATIC: &str = ""; + //~^ ERROR `&` without an explicit lifetime name cannot be used here + //~| WARN this was previously accepted by the compiler but is being phased out + //~| ERROR const not compatible with trait +} + +fn main() {} diff --git a/tests/ui/consts/static-default-lifetime/elided-lifetime.stderr b/tests/ui/consts/static-default-lifetime/elided-lifetime.stderr new file mode 100644 index 000000000000..8be225e2a3ce --- /dev/null +++ b/tests/ui/consts/static-default-lifetime/elided-lifetime.stderr @@ -0,0 +1,59 @@ +error: `&` without an explicit lifetime name cannot be used here + --> $DIR/elided-lifetime.rs:6:19 + | +LL | const STATIC: &str = ""; + | ^ + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #115010 +note: cannot automatically infer `'static` because of other lifetimes in scope + --> $DIR/elided-lifetime.rs:5:10 + | +LL | impl Foo<'_> { + | ^^ +note: the lint level is defined here + --> $DIR/elided-lifetime.rs:1:9 + | +LL | #![deny(elided_lifetimes_in_associated_constant)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +help: use the `'static` lifetime + | +LL | const STATIC: &'static str = ""; + | +++++++ + +error: `&` without an explicit lifetime name cannot be used here + --> $DIR/elided-lifetime.rs:17:19 + | +LL | const STATIC: &str = ""; + | ^ + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #115010 +note: cannot automatically infer `'static` because of other lifetimes in scope + --> $DIR/elided-lifetime.rs:16:18 + | +LL | impl Bar for Foo<'_> { + | ^^ +help: use the `'static` lifetime + | +LL | const STATIC: &'static str = ""; + | +++++++ + +error[E0308]: const not compatible with trait + --> $DIR/elided-lifetime.rs:17:5 + | +LL | const STATIC: &str = ""; + | ^^^^^^^^^^^^^^^^^^ lifetime mismatch + | + = note: expected reference `&'static _` + found reference `&_` +note: the anonymous lifetime as defined here... + --> $DIR/elided-lifetime.rs:16:18 + | +LL | impl Bar for Foo<'_> { + | ^^ + = note: ...does not necessarily outlive the static lifetime + +error: aborting due to 3 previous errors + +For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/consts/static-default-lifetime/generic-associated-const.rs b/tests/ui/consts/static-default-lifetime/generic-associated-const.rs new file mode 100644 index 000000000000..50eb9ab16695 --- /dev/null +++ b/tests/ui/consts/static-default-lifetime/generic-associated-const.rs @@ -0,0 +1,20 @@ +#![deny(elided_lifetimes_in_associated_constant)] +#![feature(generic_const_items)] +//~^ WARN the feature `generic_const_items` is incomplete + +struct A; +impl A { + const GAC_TYPE: &str = ""; + const GAC_LIFETIME<'a>: &str = ""; + //~^ ERROR `&` without an explicit lifetime name cannot be used here + //~| WARN this was previously accepted by the compiler but is being phased out +} + +trait Trait { + const GAC_TYPE: &str = ""; + //~^ ERROR missing lifetime specifier + const GAC_LIFETIME<'a>: &str = ""; + //~^ ERROR missing lifetime specifier +} + +fn main() {} diff --git a/tests/ui/consts/static-default-lifetime/generic-associated-const.stderr b/tests/ui/consts/static-default-lifetime/generic-associated-const.stderr new file mode 100644 index 000000000000..d6e49c7ac588 --- /dev/null +++ b/tests/ui/consts/static-default-lifetime/generic-associated-const.stderr @@ -0,0 +1,57 @@ +error[E0106]: missing lifetime specifier + --> $DIR/generic-associated-const.rs:14:24 + | +LL | const GAC_TYPE: &str = ""; + | ^ expected named lifetime parameter + | +help: consider introducing a named lifetime parameter + | +LL | const GAC_TYPE<'a, T>: &'a str = ""; + | +++ ++ + +error[E0106]: missing lifetime specifier + --> $DIR/generic-associated-const.rs:16:29 + | +LL | const GAC_LIFETIME<'a>: &str = ""; + | ^ expected named lifetime parameter + | +help: consider using the `'a` lifetime + | +LL | const GAC_LIFETIME<'a>: &'a str = ""; + | ++ + +warning: the feature `generic_const_items` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/generic-associated-const.rs:2:12 + | +LL | #![feature(generic_const_items)] + | ^^^^^^^^^^^^^^^^^^^ + | + = note: see issue #113521 for more information + = note: `#[warn(incomplete_features)]` on by default + +error: `&` without an explicit lifetime name cannot be used here + --> $DIR/generic-associated-const.rs:8:29 + | +LL | const GAC_LIFETIME<'a>: &str = ""; + | ^ + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #115010 +note: cannot automatically infer `'static` because of other lifetimes in scope + --> $DIR/generic-associated-const.rs:8:24 + | +LL | const GAC_LIFETIME<'a>: &str = ""; + | ^^ +note: the lint level is defined here + --> $DIR/generic-associated-const.rs:1:9 + | +LL | #![deny(elided_lifetimes_in_associated_constant)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +help: use the `'static` lifetime + | +LL | const GAC_LIFETIME<'a>: &'static str = ""; + | +++++++ + +error: aborting due to 3 previous errors; 1 warning emitted + +For more information about this error, try `rustc --explain E0106`. diff --git a/tests/ui/consts/static-default-lifetime/inner-item.rs b/tests/ui/consts/static-default-lifetime/inner-item.rs new file mode 100644 index 000000000000..061b240a40d8 --- /dev/null +++ b/tests/ui/consts/static-default-lifetime/inner-item.rs @@ -0,0 +1,21 @@ +//@ check-pass + +struct Foo<'a>(&'a ()); + +impl<'a> Foo<'a> { + fn hello(self) { + const INNER: &str = ""; + } +} + +impl Foo<'_> { + fn implicit(self) { + const INNER: &str = ""; + } + + fn fn_lifetime(&self) { + const INNER: &str = ""; + } +} + +fn main() {} diff --git a/tests/ui/consts/static-default-lifetime/static-trait-impl.rs b/tests/ui/consts/static-default-lifetime/static-trait-impl.rs new file mode 100644 index 000000000000..025fda4df581 --- /dev/null +++ b/tests/ui/consts/static-default-lifetime/static-trait-impl.rs @@ -0,0 +1,20 @@ +#![deny(elided_lifetimes_in_associated_constant)] + +trait Bar<'a> { + const STATIC: &'a str; +} + +struct A; +impl Bar<'_> for A { + const STATIC: &str = ""; + //~^ ERROR `&` without an explicit lifetime name cannot be used here + //~| WARN this was previously accepted by the compiler but is being phased out + //~| ERROR const not compatible with trait +} + +struct B; +impl Bar<'static> for B { + const STATIC: &str = ""; +} + +fn main() {} diff --git a/tests/ui/consts/static-default-lifetime/static-trait-impl.stderr b/tests/ui/consts/static-default-lifetime/static-trait-impl.stderr new file mode 100644 index 000000000000..8e4c27875ab3 --- /dev/null +++ b/tests/ui/consts/static-default-lifetime/static-trait-impl.stderr @@ -0,0 +1,45 @@ +error: `&` without an explicit lifetime name cannot be used here + --> $DIR/static-trait-impl.rs:9:19 + | +LL | const STATIC: &str = ""; + | ^ + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #115010 +note: cannot automatically infer `'static` because of other lifetimes in scope + --> $DIR/static-trait-impl.rs:8:10 + | +LL | impl Bar<'_> for A { + | ^^ +note: the lint level is defined here + --> $DIR/static-trait-impl.rs:1:9 + | +LL | #![deny(elided_lifetimes_in_associated_constant)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +help: use the `'static` lifetime + | +LL | const STATIC: &'static str = ""; + | +++++++ + +error[E0308]: const not compatible with trait + --> $DIR/static-trait-impl.rs:9:5 + | +LL | const STATIC: &str = ""; + | ^^^^^^^^^^^^^^^^^^ lifetime mismatch + | + = note: expected reference `&_` + found reference `&_` +note: the anonymous lifetime as defined here... + --> $DIR/static-trait-impl.rs:8:10 + | +LL | impl Bar<'_> for A { + | ^^ +note: ...does not necessarily outlive the anonymous lifetime as defined here + --> $DIR/static-trait-impl.rs:8:10 + | +LL | impl Bar<'_> for A { + | ^^ + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0308`. From 5f3357c3c68e555c655c71bb8672db7908622c5b Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Thu, 13 Jun 2024 20:44:15 -0400 Subject: [PATCH 1543/1716] Resolve const lifetimes to static in trait too --- compiler/rustc_resolve/src/late.rs | 54 +++++++++++------- .../elided-lifetime.rs | 3 +- .../elided-lifetime.stderr | 8 +-- .../generic-associated-const.rs | 1 - .../generic-associated-const.stderr | 15 +---- ...ifetime-in-assoc-const-type.default.stderr | 56 ++++--------------- ...ssoc-const-type.generic_const_items.stderr | 46 ++++----------- .../missing-lifetime-in-assoc-const-type.rs | 8 +-- 8 files changed, 68 insertions(+), 123 deletions(-) diff --git a/compiler/rustc_resolve/src/late.rs b/compiler/rustc_resolve/src/late.rs index 20926366ba5e..f3c27ca857f0 100644 --- a/compiler/rustc_resolve/src/late.rs +++ b/compiler/rustc_resolve/src/late.rs @@ -312,8 +312,8 @@ enum LifetimeRibKind { /// Resolves elided lifetimes to `'static` if there are no other lifetimes in scope, /// otherwise give a warning that the previous behavior of introducing a new early-bound - /// lifetime is a bug and will be removed. - StaticIfNoLifetimeInScope(NodeId), + /// lifetime is a bug and will be removed (if `emit_lint` is enabled). + StaticIfNoLifetimeInScope { lint_id: NodeId, emit_lint: bool }, /// Signal we cannot find which should be the anonymous lifetime. ElisionFailure, @@ -1213,7 +1213,7 @@ impl<'a: 'ast, 'ast, 'tcx> Visitor<'ast> for LateResolutionVisitor<'a, '_, 'ast, } LifetimeRibKind::AnonymousCreateParameter { .. } | LifetimeRibKind::AnonymousReportError - | LifetimeRibKind::StaticIfNoLifetimeInScope(_) + | LifetimeRibKind::StaticIfNoLifetimeInScope { .. } | LifetimeRibKind::Elided(_) | LifetimeRibKind::ElisionFailure | LifetimeRibKind::ConcreteAnonConst(_) @@ -1581,7 +1581,7 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { // lifetime would be illegal. LifetimeRibKind::Item | LifetimeRibKind::AnonymousReportError - | LifetimeRibKind::StaticIfNoLifetimeInScope(_) + | LifetimeRibKind::StaticIfNoLifetimeInScope { .. } | LifetimeRibKind::ElisionFailure => Some(LifetimeUseSet::Many), // An anonymous lifetime is legal here, and bound to the right // place, go ahead. @@ -1644,7 +1644,7 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { | LifetimeRibKind::Generics { .. } | LifetimeRibKind::ElisionFailure | LifetimeRibKind::AnonymousReportError - | LifetimeRibKind::StaticIfNoLifetimeInScope(_) => {} + | LifetimeRibKind::StaticIfNoLifetimeInScope { .. } => {} } } @@ -1678,7 +1678,7 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { self.record_lifetime_res(lifetime.id, res, elision_candidate); return; } - LifetimeRibKind::StaticIfNoLifetimeInScope(node_id) => { + LifetimeRibKind::StaticIfNoLifetimeInScope { lint_id: node_id, emit_lint } => { let mut lifetimes_in_scope = vec![]; for rib in &self.lifetime_ribs[..i] { lifetimes_in_scope.extend(rib.bindings.iter().map(|(ident, _)| ident.span)); @@ -1696,7 +1696,7 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { elision_candidate, ); return; - } else { + } else if emit_lint { self.r.lint_buffer.buffer_lint( lint::builtin::ELIDED_LIFETIMES_IN_ASSOCIATED_CONSTANT, node_id, @@ -1925,7 +1925,7 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { // impl Foo for std::cell::Ref // note lack of '_ // async fn foo(_: std::cell::Ref) { ... } LifetimeRibKind::AnonymousCreateParameter { report_in_path: true, .. } - | LifetimeRibKind::StaticIfNoLifetimeInScope(_) => { + | LifetimeRibKind::StaticIfNoLifetimeInScope { .. } => { let sess = self.r.tcx.sess; let subdiag = rustc_errors::elided_lifetime_in_path_suggestion( sess.source_map(), @@ -2859,19 +2859,27 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { kind: LifetimeBinderKind::ConstItem, }, |this| { - this.visit_generics(generics); - this.visit_ty(ty); + this.with_lifetime_rib( + LifetimeRibKind::StaticIfNoLifetimeInScope { + lint_id: item.id, + emit_lint: false, + }, + |this| { + this.visit_generics(generics); + this.visit_ty(ty); - // Only impose the restrictions of `ConstRibKind` for an - // actual constant expression in a provided default. - if let Some(expr) = expr { - // We allow arbitrary const expressions inside of associated consts, - // even if they are potentially not const evaluatable. - // - // Type parameters can already be used and as associated consts are - // not used as part of the type system, this is far less surprising. - this.resolve_const_body(expr, None); - } + // Only impose the restrictions of `ConstRibKind` for an + // actual constant expression in a provided default. + if let Some(expr) = expr { + // We allow arbitrary const expressions inside of associated consts, + // even if they are potentially not const evaluatable. + // + // Type parameters can already be used and as associated consts are + // not used as part of the type system, this is far less surprising. + this.resolve_const_body(expr, None); + } + }, + ) }, ); } @@ -3052,7 +3060,11 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { }, |this| { this.with_lifetime_rib( - LifetimeRibKind::StaticIfNoLifetimeInScope(item.id), + LifetimeRibKind::StaticIfNoLifetimeInScope { + lint_id: item.id, + // In impls, it's not a hard error yet due to backcompat. + emit_lint: true, + }, |this| { // If this is a trait impl, ensure the const // exists in trait diff --git a/tests/ui/consts/static-default-lifetime/elided-lifetime.rs b/tests/ui/consts/static-default-lifetime/elided-lifetime.rs index e1d9791625b3..95d59f9b894e 100644 --- a/tests/ui/consts/static-default-lifetime/elided-lifetime.rs +++ b/tests/ui/consts/static-default-lifetime/elided-lifetime.rs @@ -9,8 +9,7 @@ impl Foo<'_> { } trait Bar { - const STATIC: &'static str; - // TODO^ + const STATIC: &str; } impl Bar for Foo<'_> { diff --git a/tests/ui/consts/static-default-lifetime/elided-lifetime.stderr b/tests/ui/consts/static-default-lifetime/elided-lifetime.stderr index 8be225e2a3ce..d4fc17175389 100644 --- a/tests/ui/consts/static-default-lifetime/elided-lifetime.stderr +++ b/tests/ui/consts/static-default-lifetime/elided-lifetime.stderr @@ -22,7 +22,7 @@ LL | const STATIC: &'static str = ""; | +++++++ error: `&` without an explicit lifetime name cannot be used here - --> $DIR/elided-lifetime.rs:17:19 + --> $DIR/elided-lifetime.rs:16:19 | LL | const STATIC: &str = ""; | ^ @@ -30,7 +30,7 @@ LL | const STATIC: &str = ""; = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #115010 note: cannot automatically infer `'static` because of other lifetimes in scope - --> $DIR/elided-lifetime.rs:16:18 + --> $DIR/elided-lifetime.rs:15:18 | LL | impl Bar for Foo<'_> { | ^^ @@ -40,7 +40,7 @@ LL | const STATIC: &'static str = ""; | +++++++ error[E0308]: const not compatible with trait - --> $DIR/elided-lifetime.rs:17:5 + --> $DIR/elided-lifetime.rs:16:5 | LL | const STATIC: &str = ""; | ^^^^^^^^^^^^^^^^^^ lifetime mismatch @@ -48,7 +48,7 @@ LL | const STATIC: &str = ""; = note: expected reference `&'static _` found reference `&_` note: the anonymous lifetime as defined here... - --> $DIR/elided-lifetime.rs:16:18 + --> $DIR/elided-lifetime.rs:15:18 | LL | impl Bar for Foo<'_> { | ^^ diff --git a/tests/ui/consts/static-default-lifetime/generic-associated-const.rs b/tests/ui/consts/static-default-lifetime/generic-associated-const.rs index 50eb9ab16695..721920bd810c 100644 --- a/tests/ui/consts/static-default-lifetime/generic-associated-const.rs +++ b/tests/ui/consts/static-default-lifetime/generic-associated-const.rs @@ -12,7 +12,6 @@ impl A { trait Trait { const GAC_TYPE: &str = ""; - //~^ ERROR missing lifetime specifier const GAC_LIFETIME<'a>: &str = ""; //~^ ERROR missing lifetime specifier } diff --git a/tests/ui/consts/static-default-lifetime/generic-associated-const.stderr b/tests/ui/consts/static-default-lifetime/generic-associated-const.stderr index d6e49c7ac588..2ecab3442a96 100644 --- a/tests/ui/consts/static-default-lifetime/generic-associated-const.stderr +++ b/tests/ui/consts/static-default-lifetime/generic-associated-const.stderr @@ -1,16 +1,5 @@ error[E0106]: missing lifetime specifier - --> $DIR/generic-associated-const.rs:14:24 - | -LL | const GAC_TYPE: &str = ""; - | ^ expected named lifetime parameter - | -help: consider introducing a named lifetime parameter - | -LL | const GAC_TYPE<'a, T>: &'a str = ""; - | +++ ++ - -error[E0106]: missing lifetime specifier - --> $DIR/generic-associated-const.rs:16:29 + --> $DIR/generic-associated-const.rs:15:29 | LL | const GAC_LIFETIME<'a>: &str = ""; | ^ expected named lifetime parameter @@ -52,6 +41,6 @@ help: use the `'static` lifetime LL | const GAC_LIFETIME<'a>: &'static str = ""; | +++++++ -error: aborting due to 3 previous errors; 1 warning emitted +error: aborting due to 2 previous errors; 1 warning emitted For more information about this error, try `rustc --explain E0106`. diff --git a/tests/ui/suggestions/missing-lifetime-in-assoc-const-type.default.stderr b/tests/ui/suggestions/missing-lifetime-in-assoc-const-type.default.stderr index 24e2e0a0f7a2..71ac55bf0448 100644 --- a/tests/ui/suggestions/missing-lifetime-in-assoc-const-type.default.stderr +++ b/tests/ui/suggestions/missing-lifetime-in-assoc-const-type.default.stderr @@ -1,57 +1,25 @@ -error[E0106]: missing lifetime specifier - --> $DIR/missing-lifetime-in-assoc-const-type.rs:6:14 - | -LL | const A: &str = ""; - | ^ expected named lifetime parameter - | -help: consider introducing a named lifetime parameter - | -LL ~ trait ZstAssert<'a>: Sized { -LL ~ const A: &'a str = ""; - | - -error[E0106]: missing lifetime specifier +error[E0726]: implicit elided lifetime not allowed here --> $DIR/missing-lifetime-in-assoc-const-type.rs:7:14 | LL | const B: S = S { s: &() }; - | ^ expected named lifetime parameter + | ^ expected lifetime parameter | -help: consider introducing a named lifetime parameter - | -LL ~ trait ZstAssert<'a>: Sized { -LL | const A: &str = ""; -LL ~ const B: S<'a> = S { s: &() }; +help: indicate the anonymous lifetime | +LL | const B: S<'_> = S { s: &() }; + | ++++ -error[E0106]: missing lifetime specifier - --> $DIR/missing-lifetime-in-assoc-const-type.rs:8:15 - | -LL | const C: &'_ str = ""; - | ^^ expected named lifetime parameter - | -help: consider introducing a named lifetime parameter - | -LL ~ trait ZstAssert<'a>: Sized { -LL | const A: &str = ""; -LL | const B: S = S { s: &() }; -LL ~ const C: &'a str = ""; - | - -error[E0106]: missing lifetime specifiers +error[E0726]: implicit elided lifetime not allowed here --> $DIR/missing-lifetime-in-assoc-const-type.rs:9:14 | LL | const D: T = T { a: &(), b: &() }; - | ^ expected 2 lifetime parameters + | ^ expected lifetime parameters | -help: consider introducing a named lifetime parameter - | -LL ~ trait ZstAssert<'a>: Sized { -LL | const A: &str = ""; -LL | const B: S = S { s: &() }; -LL | const C: &'_ str = ""; -LL ~ const D: T<'a, 'a> = T { a: &(), b: &() }; +help: indicate the anonymous lifetimes | +LL | const D: T<'_, '_> = T { a: &(), b: &() }; + | ++++++++ -error: aborting due to 4 previous errors +error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0106`. +For more information about this error, try `rustc --explain E0726`. diff --git a/tests/ui/suggestions/missing-lifetime-in-assoc-const-type.generic_const_items.stderr b/tests/ui/suggestions/missing-lifetime-in-assoc-const-type.generic_const_items.stderr index a97ffe7da79e..71ac55bf0448 100644 --- a/tests/ui/suggestions/missing-lifetime-in-assoc-const-type.generic_const_items.stderr +++ b/tests/ui/suggestions/missing-lifetime-in-assoc-const-type.generic_const_items.stderr @@ -1,47 +1,25 @@ -error[E0106]: missing lifetime specifier - --> $DIR/missing-lifetime-in-assoc-const-type.rs:6:14 - | -LL | const A: &str = ""; - | ^ expected named lifetime parameter - | -help: consider introducing a named lifetime parameter - | -LL | const A<'a>: &'a str = ""; - | ++++ ++ - -error[E0106]: missing lifetime specifier +error[E0726]: implicit elided lifetime not allowed here --> $DIR/missing-lifetime-in-assoc-const-type.rs:7:14 | LL | const B: S = S { s: &() }; - | ^ expected named lifetime parameter + | ^ expected lifetime parameter | -help: consider introducing a named lifetime parameter +help: indicate the anonymous lifetime | -LL | const B<'a>: S<'a> = S { s: &() }; - | ++++ ++++ +LL | const B: S<'_> = S { s: &() }; + | ++++ -error[E0106]: missing lifetime specifier - --> $DIR/missing-lifetime-in-assoc-const-type.rs:8:15 - | -LL | const C: &'_ str = ""; - | ^^ expected named lifetime parameter - | -help: consider introducing a named lifetime parameter - | -LL | const C<'a>: &'a str = ""; - | ++++ ~~ - -error[E0106]: missing lifetime specifiers +error[E0726]: implicit elided lifetime not allowed here --> $DIR/missing-lifetime-in-assoc-const-type.rs:9:14 | LL | const D: T = T { a: &(), b: &() }; - | ^ expected 2 lifetime parameters + | ^ expected lifetime parameters | -help: consider introducing a named lifetime parameter +help: indicate the anonymous lifetimes | -LL | const D<'a>: T<'a, 'a> = T { a: &(), b: &() }; - | ++++ ++++++++ +LL | const D: T<'_, '_> = T { a: &(), b: &() }; + | ++++++++ -error: aborting due to 4 previous errors +error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0106`. +For more information about this error, try `rustc --explain E0726`. diff --git a/tests/ui/suggestions/missing-lifetime-in-assoc-const-type.rs b/tests/ui/suggestions/missing-lifetime-in-assoc-const-type.rs index f36a6567e423..a60f0b94587f 100644 --- a/tests/ui/suggestions/missing-lifetime-in-assoc-const-type.rs +++ b/tests/ui/suggestions/missing-lifetime-in-assoc-const-type.rs @@ -3,10 +3,10 @@ #![cfg_attr(generic_const_items, feature(generic_const_items), allow(incomplete_features))] trait ZstAssert: Sized { - const A: &str = ""; //~ ERROR missing lifetime specifier - const B: S = S { s: &() }; //~ ERROR missing lifetime specifier - const C: &'_ str = ""; //~ ERROR missing lifetime specifier - const D: T = T { a: &(), b: &() }; //~ ERROR missing lifetime specifier + const A: &str = ""; + const B: S = S { s: &() }; //~ ERROR implicit elided lifetime not allowed here + const C: &'_ str = ""; + const D: T = T { a: &(), b: &() }; //~ ERROR implicit elided lifetime not allowed here } struct S<'a> { From f3dd4b16bcb90b96c0617415725aecc57e41f4b9 Mon Sep 17 00:00:00 2001 From: Ana Hobden Date: Wed, 12 Jun 2024 13:16:28 -0700 Subject: [PATCH 1544/1716] Pass target to run-make issue-47551 --- tests/run-make/issue-47551/Makefile | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tests/run-make/issue-47551/Makefile b/tests/run-make/issue-47551/Makefile index 5a6ac725701b..3fe0a6e74e02 100644 --- a/tests/run-make/issue-47551/Makefile +++ b/tests/run-make/issue-47551/Makefile @@ -4,6 +4,7 @@ include ../tools.mk all: - $(RUSTC) eh_frame-terminator.rs + # --target $(TARGET) ensures the right gcc flags are used for cross compilation + $(RUSTC) --target $(TARGET) eh_frame-terminator.rs $(call RUN,eh_frame-terminator) | $(CGREP) '1122334455667788' objdump --dwarf=frames $(TMPDIR)/eh_frame-terminator | $(CGREP) 'ZERO terminator' From 22d0b1ee18520ba32d3bc41ad3e85d91a5c73c24 Mon Sep 17 00:00:00 2001 From: Vadim Petrochenkov Date: Fri, 15 Mar 2024 14:21:03 +0300 Subject: [PATCH 1545/1716] delegation: Implement glob delegation --- compiler/rustc_ast/src/ast.rs | 9 +- compiler/rustc_ast/src/mut_visit.rs | 38 +++-- compiler/rustc_ast/src/visit.rs | 38 +++-- .../rustc_ast_pretty/src/pprust/state/item.rs | 51 +++--- compiler/rustc_expand/messages.ftl | 7 +- compiler/rustc_expand/src/base.rs | 47 +++++- compiler/rustc_expand/src/errors.rs | 12 +- compiler/rustc_expand/src/expand.rs | 152 +++++++++++++----- compiler/rustc_parse/src/errors.rs | 3 +- compiler/rustc_parse/src/parser/item.rs | 24 ++- .../rustc_resolve/src/build_reduced_graph.rs | 28 +++- compiler/rustc_resolve/src/def_collector.rs | 10 +- compiler/rustc_resolve/src/late.rs | 22 +-- compiler/rustc_resolve/src/lib.rs | 14 +- compiler/rustc_resolve/src/macros.rs | 152 +++++++++++++++--- tests/ui/delegation/body-identity-glob.rs | 32 ++++ tests/ui/delegation/empty-glob.rs | 11 ++ tests/ui/delegation/empty-glob.stderr | 8 + tests/ui/delegation/glob-bad-path.rs | 12 ++ tests/ui/delegation/glob-bad-path.stderr | 15 ++ tests/ui/delegation/glob-glob-conflict.rs | 33 ++++ tests/ui/delegation/glob-glob-conflict.stderr | 25 +++ tests/ui/delegation/glob-glob.rs | 36 +++++ tests/ui/delegation/glob-non-fn.rs | 38 +++++ tests/ui/delegation/glob-non-fn.stderr | 62 +++++++ tests/ui/delegation/glob-non-impl.rs | 20 +++ tests/ui/delegation/glob-non-impl.stderr | 26 +++ tests/ui/delegation/glob-override.rs | 37 +++++ tests/ui/delegation/glob.rs | 35 ++++ tests/ui/delegation/macro-inside-glob.rs | 26 +++ tests/ui/delegation/macro-inside-list.rs | 4 +- 31 files changed, 892 insertions(+), 135 deletions(-) create mode 100644 tests/ui/delegation/body-identity-glob.rs create mode 100644 tests/ui/delegation/empty-glob.rs create mode 100644 tests/ui/delegation/empty-glob.stderr create mode 100644 tests/ui/delegation/glob-bad-path.rs create mode 100644 tests/ui/delegation/glob-bad-path.stderr create mode 100644 tests/ui/delegation/glob-glob-conflict.rs create mode 100644 tests/ui/delegation/glob-glob-conflict.stderr create mode 100644 tests/ui/delegation/glob-glob.rs create mode 100644 tests/ui/delegation/glob-non-fn.rs create mode 100644 tests/ui/delegation/glob-non-fn.stderr create mode 100644 tests/ui/delegation/glob-non-impl.rs create mode 100644 tests/ui/delegation/glob-non-impl.stderr create mode 100644 tests/ui/delegation/glob-override.rs create mode 100644 tests/ui/delegation/glob.rs create mode 100644 tests/ui/delegation/macro-inside-glob.rs diff --git a/compiler/rustc_ast/src/ast.rs b/compiler/rustc_ast/src/ast.rs index 9cb193b4a678..b9b8d0f67ee7 100644 --- a/compiler/rustc_ast/src/ast.rs +++ b/compiler/rustc_ast/src/ast.rs @@ -3158,13 +3158,16 @@ pub struct Delegation { pub path: Path, pub rename: Option, pub body: Option>, + /// The item was expanded from a glob delegation item. + pub from_glob: bool, } #[derive(Clone, Encodable, Decodable, Debug)] pub struct DelegationMac { pub qself: Option>, pub prefix: Path, - pub suffixes: ThinVec<(Ident, Option)>, + // Some for list delegation, and None for glob delegation. + pub suffixes: Option)>>, pub body: Option>, } @@ -3291,7 +3294,7 @@ pub enum ItemKind { /// /// E.g. `reuse ::name { target_expr_template }`. Delegation(Box), - /// A list delegation item (`reuse prefix::{a, b, c}`). + /// A list or glob delegation item (`reuse prefix::{a, b, c}`, `reuse prefix::*`). /// Treated similarly to a macro call and expanded early. DelegationMac(Box), } @@ -3372,7 +3375,7 @@ pub enum AssocItemKind { MacCall(P), /// An associated delegation item. Delegation(Box), - /// An associated delegation item list. + /// An associated list or glob delegation item. DelegationMac(Box), } diff --git a/compiler/rustc_ast/src/mut_visit.rs b/compiler/rustc_ast/src/mut_visit.rs index cc33ce2cb562..8497be53c068 100644 --- a/compiler/rustc_ast/src/mut_visit.rs +++ b/compiler/rustc_ast/src/mut_visit.rs @@ -1162,7 +1162,14 @@ impl NoopVisitItemKind for ItemKind { } ItemKind::MacCall(m) => vis.visit_mac_call(m), ItemKind::MacroDef(def) => vis.visit_macro_def(def), - ItemKind::Delegation(box Delegation { id, qself, path, rename, body }) => { + ItemKind::Delegation(box Delegation { + id, + qself, + path, + rename, + body, + from_glob: _, + }) => { vis.visit_id(id); vis.visit_qself(qself); vis.visit_path(path); @@ -1176,10 +1183,12 @@ impl NoopVisitItemKind for ItemKind { ItemKind::DelegationMac(box DelegationMac { qself, prefix, suffixes, body }) => { vis.visit_qself(qself); vis.visit_path(prefix); - for (ident, rename) in suffixes { - vis.visit_ident(ident); - if let Some(rename) = rename { - vis.visit_ident(rename); + if let Some(suffixes) = suffixes { + for (ident, rename) in suffixes { + vis.visit_ident(ident); + if let Some(rename) = rename { + vis.visit_ident(rename); + } } } if let Some(body) = body { @@ -1218,7 +1227,14 @@ impl NoopVisitItemKind for AssocItemKind { visit_opt(ty, |ty| visitor.visit_ty(ty)); } AssocItemKind::MacCall(mac) => visitor.visit_mac_call(mac), - AssocItemKind::Delegation(box Delegation { id, qself, path, rename, body }) => { + AssocItemKind::Delegation(box Delegation { + id, + qself, + path, + rename, + body, + from_glob: _, + }) => { visitor.visit_id(id); visitor.visit_qself(qself); visitor.visit_path(path); @@ -1232,10 +1248,12 @@ impl NoopVisitItemKind for AssocItemKind { AssocItemKind::DelegationMac(box DelegationMac { qself, prefix, suffixes, body }) => { visitor.visit_qself(qself); visitor.visit_path(prefix); - for (ident, rename) in suffixes { - visitor.visit_ident(ident); - if let Some(rename) = rename { - visitor.visit_ident(rename); + if let Some(suffixes) = suffixes { + for (ident, rename) in suffixes { + visitor.visit_ident(ident); + if let Some(rename) = rename { + visitor.visit_ident(rename); + } } } if let Some(body) = body { diff --git a/compiler/rustc_ast/src/visit.rs b/compiler/rustc_ast/src/visit.rs index fa97c8db3267..30ab852c4aa9 100644 --- a/compiler/rustc_ast/src/visit.rs +++ b/compiler/rustc_ast/src/visit.rs @@ -398,7 +398,14 @@ impl WalkItemKind for ItemKind { } ItemKind::MacCall(mac) => try_visit!(visitor.visit_mac_call(mac)), ItemKind::MacroDef(ts) => try_visit!(visitor.visit_mac_def(ts, item.id)), - ItemKind::Delegation(box Delegation { id, qself, path, rename, body }) => { + ItemKind::Delegation(box Delegation { + id, + qself, + path, + rename, + body, + from_glob: _, + }) => { if let Some(qself) = qself { try_visit!(visitor.visit_ty(&qself.ty)); } @@ -411,10 +418,12 @@ impl WalkItemKind for ItemKind { try_visit!(visitor.visit_ty(&qself.ty)); } try_visit!(visitor.visit_path(prefix, item.id)); - for (ident, rename) in suffixes { - visitor.visit_ident(*ident); - if let Some(rename) = rename { - visitor.visit_ident(*rename); + if let Some(suffixes) = suffixes { + for (ident, rename) in suffixes { + visitor.visit_ident(*ident); + if let Some(rename) = rename { + visitor.visit_ident(*rename); + } } } visit_opt!(visitor, visit_block, body); @@ -828,7 +837,14 @@ impl WalkItemKind for AssocItemKind { AssocItemKind::MacCall(mac) => { try_visit!(visitor.visit_mac_call(mac)); } - AssocItemKind::Delegation(box Delegation { id, qself, path, rename, body }) => { + AssocItemKind::Delegation(box Delegation { + id, + qself, + path, + rename, + body, + from_glob: _, + }) => { if let Some(qself) = qself { try_visit!(visitor.visit_ty(&qself.ty)); } @@ -841,10 +857,12 @@ impl WalkItemKind for AssocItemKind { try_visit!(visitor.visit_ty(&qself.ty)); } try_visit!(visitor.visit_path(prefix, item.id)); - for (ident, rename) in suffixes { - visitor.visit_ident(*ident); - if let Some(rename) = rename { - visitor.visit_ident(*rename); + if let Some(suffixes) = suffixes { + for (ident, rename) in suffixes { + visitor.visit_ident(*ident); + if let Some(rename) = rename { + visitor.visit_ident(*rename); + } } } visit_opt!(visitor, visit_block, body); diff --git a/compiler/rustc_ast_pretty/src/pprust/state/item.rs b/compiler/rustc_ast_pretty/src/pprust/state/item.rs index 474741fb0677..49ac5ece337f 100644 --- a/compiler/rustc_ast_pretty/src/pprust/state/item.rs +++ b/compiler/rustc_ast_pretty/src/pprust/state/item.rs @@ -9,6 +9,12 @@ use rustc_ast::ptr::P; use rustc_ast::ModKind; use rustc_span::symbol::Ident; +enum DelegationKind<'a> { + Single, + List(&'a [(Ident, Option)]), + Glob, +} + fn visibility_qualified(vis: &ast::Visibility, s: &str) -> String { format!("{}{}", State::to_string(|s| s.print_visibility(vis)), s) } @@ -387,7 +393,7 @@ impl<'a> State<'a> { &item.vis, &deleg.qself, &deleg.path, - None, + DelegationKind::Single, &deleg.body, ), ast::ItemKind::DelegationMac(deleg) => self.print_delegation( @@ -395,7 +401,7 @@ impl<'a> State<'a> { &item.vis, &deleg.qself, &deleg.prefix, - Some(&deleg.suffixes), + deleg.suffixes.as_ref().map_or(DelegationKind::Glob, |s| DelegationKind::List(s)), &deleg.body, ), } @@ -579,7 +585,7 @@ impl<'a> State<'a> { vis, &deleg.qself, &deleg.path, - None, + DelegationKind::Single, &deleg.body, ), ast::AssocItemKind::DelegationMac(deleg) => self.print_delegation( @@ -587,20 +593,20 @@ impl<'a> State<'a> { vis, &deleg.qself, &deleg.prefix, - Some(&deleg.suffixes), + deleg.suffixes.as_ref().map_or(DelegationKind::Glob, |s| DelegationKind::List(s)), &deleg.body, ), } self.ann.post(self, AnnNode::SubItem(id)) } - pub(crate) fn print_delegation( + fn print_delegation( &mut self, attrs: &[ast::Attribute], vis: &ast::Visibility, qself: &Option>, path: &ast::Path, - suffixes: Option<&[(Ident, Option)]>, + kind: DelegationKind<'_>, body: &Option>, ) { if body.is_some() { @@ -614,21 +620,28 @@ impl<'a> State<'a> { } else { self.print_path(path, false, 0); } - if let Some(suffixes) = suffixes { - self.word("::"); - self.word("{"); - for (i, (ident, rename)) in suffixes.iter().enumerate() { - self.print_ident(*ident); - if let Some(rename) = rename { - self.nbsp(); - self.word_nbsp("as"); - self.print_ident(*rename); - } - if i != suffixes.len() - 1 { - self.word_space(","); + match kind { + DelegationKind::Single => {} + DelegationKind::List(suffixes) => { + self.word("::"); + self.word("{"); + for (i, (ident, rename)) in suffixes.iter().enumerate() { + self.print_ident(*ident); + if let Some(rename) = rename { + self.nbsp(); + self.word_nbsp("as"); + self.print_ident(*rename); + } + if i != suffixes.len() - 1 { + self.word_space(","); + } } + self.word("}"); + } + DelegationKind::Glob => { + self.word("::"); + self.word("*"); } - self.word("}"); } if let Some(body) = body { self.nbsp(); diff --git a/compiler/rustc_expand/messages.ftl b/compiler/rustc_expand/messages.ftl index 2e150f7bb279..6113580491ef 100644 --- a/compiler/rustc_expand/messages.ftl +++ b/compiler/rustc_expand/messages.ftl @@ -35,8 +35,8 @@ expand_duplicate_matcher_binding = duplicate matcher binding .label = duplicate binding .label2 = previous binding -expand_empty_delegation_list = - empty list delegation is not supported +expand_empty_delegation_mac = + empty {$kind} delegation is not supported expand_expected_paren_or_brace = expected `(` or `{"{"}`, found `{$token}` @@ -58,6 +58,9 @@ expand_feature_removed = .label = feature has been removed .reason = {$reason} +expand_glob_delegation_outside_impls = + glob delegation is only supported in impls + expand_helper_attribute_name_invalid = `{$name}` cannot be a name of derive helper attribute diff --git a/compiler/rustc_expand/src/base.rs b/compiler/rustc_expand/src/base.rs index b3f6a35f3a4b..aab493b9db5a 100644 --- a/compiler/rustc_expand/src/base.rs +++ b/compiler/rustc_expand/src/base.rs @@ -357,6 +357,10 @@ where } } +pub trait GlobDelegationExpander { + fn expand(&self, ecx: &mut ExtCtxt<'_>) -> ExpandResult)>, ()>; +} + // Use a macro because forwarding to a simple function has type system issues macro_rules! make_stmts_default { ($me:expr) => { @@ -714,6 +718,9 @@ pub enum SyntaxExtensionKind { /// The produced AST fragment is appended to the input AST fragment. Box, ), + + /// A glob delegation. + GlobDelegation(Box), } /// A struct representing a macro definition in "lowered" form ready for expansion. @@ -748,7 +755,9 @@ impl SyntaxExtension { /// Returns which kind of macro calls this syntax extension. pub fn macro_kind(&self) -> MacroKind { match self.kind { - SyntaxExtensionKind::Bang(..) | SyntaxExtensionKind::LegacyBang(..) => MacroKind::Bang, + SyntaxExtensionKind::Bang(..) + | SyntaxExtensionKind::LegacyBang(..) + | SyntaxExtensionKind::GlobDelegation(..) => MacroKind::Bang, SyntaxExtensionKind::Attr(..) | SyntaxExtensionKind::LegacyAttr(..) | SyntaxExtensionKind::NonMacroAttr => MacroKind::Attr, @@ -922,6 +931,32 @@ impl SyntaxExtension { SyntaxExtension::default(SyntaxExtensionKind::NonMacroAttr, edition) } + pub fn glob_delegation( + trait_def_id: DefId, + impl_def_id: LocalDefId, + edition: Edition, + ) -> SyntaxExtension { + struct GlobDelegationExpanderImpl { + trait_def_id: DefId, + impl_def_id: LocalDefId, + } + impl GlobDelegationExpander for GlobDelegationExpanderImpl { + fn expand( + &self, + ecx: &mut ExtCtxt<'_>, + ) -> ExpandResult)>, ()> { + match ecx.resolver.glob_delegation_suffixes(self.trait_def_id, self.impl_def_id) { + Ok(suffixes) => ExpandResult::Ready(suffixes), + Err(Indeterminate) if ecx.force_mode => ExpandResult::Ready(Vec::new()), + Err(Indeterminate) => ExpandResult::Retry(()), + } + } + } + + let expander = GlobDelegationExpanderImpl { trait_def_id, impl_def_id }; + SyntaxExtension::default(SyntaxExtensionKind::GlobDelegation(Box::new(expander)), edition) + } + pub fn expn_data( &self, parent: LocalExpnId, @@ -1030,6 +1065,16 @@ pub trait ResolverExpand { /// Tools registered with `#![register_tool]` and used by tool attributes and lints. fn registered_tools(&self) -> &RegisteredTools; + + /// Mark this invocation id as a glob delegation. + fn register_glob_delegation(&mut self, invoc_id: LocalExpnId); + + /// Names of specific methods to which glob delegation expands. + fn glob_delegation_suffixes( + &mut self, + trait_def_id: DefId, + impl_def_id: LocalDefId, + ) -> Result)>, Indeterminate>; } pub trait LintStoreExpand { diff --git a/compiler/rustc_expand/src/errors.rs b/compiler/rustc_expand/src/errors.rs index 3f8b4661e5f5..c883121fb406 100644 --- a/compiler/rustc_expand/src/errors.rs +++ b/compiler/rustc_expand/src/errors.rs @@ -435,8 +435,16 @@ pub struct ExpectedParenOrBrace<'a> { } #[derive(Diagnostic)] -#[diag(expand_empty_delegation_list)] -pub(crate) struct EmptyDelegationList { +#[diag(expand_empty_delegation_mac)] +pub(crate) struct EmptyDelegationMac { + #[primary_span] + pub span: Span, + pub kind: String, +} + +#[derive(Diagnostic)] +#[diag(expand_glob_delegation_outside_impls)] +pub(crate) struct GlobDelegationOutsideImpls { #[primary_span] pub span: Span, } diff --git a/compiler/rustc_expand/src/expand.rs b/compiler/rustc_expand/src/expand.rs index c28a09eb57c7..716bfc8c26b1 100644 --- a/compiler/rustc_expand/src/expand.rs +++ b/compiler/rustc_expand/src/expand.rs @@ -1,8 +1,8 @@ use crate::base::*; use crate::config::StripUnconfigured; use crate::errors::{ - EmptyDelegationList, IncompleteParse, RecursionLimitReached, RemoveExprNotSupported, - RemoveNodeNotSupported, UnsupportedKeyValue, WrongFragmentKind, + EmptyDelegationMac, GlobDelegationOutsideImpls, IncompleteParse, RecursionLimitReached, + RemoveExprNotSupported, RemoveNodeNotSupported, UnsupportedKeyValue, WrongFragmentKind, }; use crate::mbe::diagnostics::annotate_err_with_kind; use crate::module::{mod_dir_path, parse_external_mod, DirOwnership, ParsedExternalMod}; @@ -343,6 +343,9 @@ pub enum InvocationKind { is_const: bool, item: Annotatable, }, + GlobDelegation { + item: P, + }, } impl InvocationKind { @@ -370,6 +373,7 @@ impl Invocation { InvocationKind::Bang { span, .. } => *span, InvocationKind::Attr { attr, .. } => attr.span, InvocationKind::Derive { path, .. } => path.span, + InvocationKind::GlobDelegation { item } => item.span, } } @@ -378,6 +382,7 @@ impl Invocation { InvocationKind::Bang { span, .. } => span, InvocationKind::Attr { attr, .. } => &mut attr.span, InvocationKind::Derive { path, .. } => &mut path.span, + InvocationKind::GlobDelegation { item } => &mut item.span, } } } @@ -800,6 +805,36 @@ impl<'a, 'b> MacroExpander<'a, 'b> { } _ => unreachable!(), }, + InvocationKind::GlobDelegation { item } => { + let AssocItemKind::DelegationMac(deleg) = &item.kind else { unreachable!() }; + let suffixes = match ext { + SyntaxExtensionKind::GlobDelegation(expander) => match expander.expand(self.cx) + { + ExpandResult::Ready(suffixes) => suffixes, + ExpandResult::Retry(()) => { + // Reassemble the original invocation for retrying. + return ExpandResult::Retry(Invocation { + kind: InvocationKind::GlobDelegation { item }, + ..invoc + }); + } + }, + SyntaxExtensionKind::LegacyBang(..) => { + let msg = "expanded a dummy glob delegation"; + let guar = self.cx.dcx().span_delayed_bug(span, msg); + return ExpandResult::Ready(fragment_kind.dummy(span, guar)); + } + _ => unreachable!(), + }; + + type Node = AstNodeWrapper, ImplItemTag>; + let single_delegations = build_single_delegations::( + self.cx, deleg, &item, &suffixes, item.span, true, + ); + fragment_kind.expect_from_annotatables( + single_delegations.map(|item| Annotatable::ImplItem(P(item))), + ) + } }) } @@ -1067,7 +1102,7 @@ trait InvocationCollectorNode: HasAttrs + HasNodeId + Sized { fn take_mac_call(self) -> (P, Self::AttrsTy, AddSemicolon) { unreachable!() } - fn delegation_list(&self) -> Option<(&ast::DelegationMac, &ast::Item)> { + fn delegation(&self) -> Option<(&ast::DelegationMac, &ast::Item)> { None } fn delegation_item_kind(_deleg: Box) -> Self::ItemKind { @@ -1126,7 +1161,7 @@ impl InvocationCollectorNode for P { _ => unreachable!(), } } - fn delegation_list(&self) -> Option<(&ast::DelegationMac, &ast::Item)> { + fn delegation(&self) -> Option<(&ast::DelegationMac, &ast::Item)> { match &self.kind { ItemKind::DelegationMac(deleg) => Some((deleg, self)), _ => None, @@ -1270,7 +1305,7 @@ impl InvocationCollectorNode for AstNodeWrapper, TraitItemTag> _ => unreachable!(), } } - fn delegation_list(&self) -> Option<(&ast::DelegationMac, &ast::Item)> { + fn delegation(&self) -> Option<(&ast::DelegationMac, &ast::Item)> { match &self.wrapped.kind { AssocItemKind::DelegationMac(deleg) => Some((deleg, &self.wrapped)), _ => None, @@ -1311,7 +1346,7 @@ impl InvocationCollectorNode for AstNodeWrapper, ImplItemTag> _ => unreachable!(), } } - fn delegation_list(&self) -> Option<(&ast::DelegationMac, &ast::Item)> { + fn delegation(&self) -> Option<(&ast::DelegationMac, &ast::Item)> { match &self.wrapped.kind { AssocItemKind::DelegationMac(deleg) => Some((deleg, &self.wrapped)), _ => None, @@ -1487,7 +1522,7 @@ impl InvocationCollectorNode for ast::Stmt { }; (mac, attrs, if add_semicolon { AddSemicolon::Yes } else { AddSemicolon::No }) } - fn delegation_list(&self) -> Option<(&ast::DelegationMac, &ast::Item)> { + fn delegation(&self) -> Option<(&ast::DelegationMac, &ast::Item)> { match &self.kind { StmtKind::Item(item) => match &item.kind { ItemKind::DelegationMac(deleg) => Some((deleg, item)), @@ -1684,6 +1719,44 @@ impl InvocationCollectorNode for AstNodeWrapper, MethodReceiverTag> } } +fn build_single_delegations<'a, Node: InvocationCollectorNode>( + ecx: &ExtCtxt<'_>, + deleg: &'a ast::DelegationMac, + item: &'a ast::Item, + suffixes: &'a [(Ident, Option)], + item_span: Span, + from_glob: bool, +) -> impl Iterator> + 'a { + if suffixes.is_empty() { + // Report an error for now, to avoid keeping stem for resolution and + // stability checks. + let kind = String::from(if from_glob { "glob" } else { "list" }); + ecx.dcx().emit_err(EmptyDelegationMac { span: item.span, kind }); + } + + suffixes.iter().map(move |&(ident, rename)| { + let mut path = deleg.prefix.clone(); + path.segments.push(ast::PathSegment { ident, id: ast::DUMMY_NODE_ID, args: None }); + + ast::Item { + attrs: item.attrs.clone(), + id: ast::DUMMY_NODE_ID, + span: if from_glob { item_span } else { ident.span }, + vis: item.vis.clone(), + ident: rename.unwrap_or(ident), + kind: Node::delegation_item_kind(Box::new(ast::Delegation { + id: ast::DUMMY_NODE_ID, + qself: deleg.qself.clone(), + path, + rename, + body: deleg.body.clone(), + from_glob, + })), + tokens: None, + } + }) +} + struct InvocationCollector<'a, 'b> { cx: &'a mut ExtCtxt<'b>, invocations: Vec<(Invocation, Option>)>, @@ -1702,6 +1775,11 @@ impl<'a, 'b> InvocationCollector<'a, 'b> { fn collect(&mut self, fragment_kind: AstFragmentKind, kind: InvocationKind) -> AstFragment { let expn_id = LocalExpnId::fresh_empty(); + if matches!(kind, InvocationKind::GlobDelegation { .. }) { + // In resolver we need to know which invocation ids are delegations early, + // before their `ExpnData` is filled. + self.cx.resolver.register_glob_delegation(expn_id); + } let vis = kind.placeholder_visibility(); self.invocations.push(( Invocation { @@ -1734,6 +1812,14 @@ impl<'a, 'b> InvocationCollector<'a, 'b> { self.collect(kind, InvocationKind::Attr { attr, pos, item, derives }) } + fn collect_glob_delegation( + &mut self, + item: P, + kind: AstFragmentKind, + ) -> AstFragment { + self.collect(kind, InvocationKind::GlobDelegation { item }) + } + /// If `item` is an attribute invocation, remove the attribute and return it together with /// its position and derives following it. We have to collect the derives in order to resolve /// legacy derive helpers (helpers written before derives that introduce them). @@ -1901,37 +1987,27 @@ impl<'a, 'b> InvocationCollector<'a, 'b> { Node::post_flat_map_node_collect_bang(&mut res, add_semicolon); res } - None if let Some((deleg, item)) = node.delegation_list() => { - if deleg.suffixes.is_empty() { - // Report an error for now, to avoid keeping stem for resolution and - // stability checks. - self.cx.dcx().emit_err(EmptyDelegationList { span: item.span }); - } - - Node::flatten_outputs(deleg.suffixes.iter().map(|&(ident, rename)| { - let mut path = deleg.prefix.clone(); - path.segments.push(ast::PathSegment { - ident, - id: ast::DUMMY_NODE_ID, - args: None, - }); - - let mut item = Node::from_item(ast::Item { - attrs: item.attrs.clone(), - id: ast::DUMMY_NODE_ID, - span: ident.span, - vis: item.vis.clone(), - ident: rename.unwrap_or(ident), - kind: Node::delegation_item_kind(Box::new(ast::Delegation { - id: ast::DUMMY_NODE_ID, - qself: deleg.qself.clone(), - path, - rename, - body: deleg.body.clone(), - })), - tokens: None, - }); + None if let Some((deleg, item)) = node.delegation() => { + let Some(suffixes) = &deleg.suffixes else { + let item = match node.to_annotatable() { + Annotatable::ImplItem(item) => item, + ann @ (Annotatable::Item(_) + | Annotatable::TraitItem(_) + | Annotatable::Stmt(_)) => { + let span = ann.span(); + self.cx.dcx().emit_err(GlobDelegationOutsideImpls { span }); + return Default::default(); + } + _ => unreachable!(), + }; + return self.collect_glob_delegation(item, Node::KIND).make_ast::(); + }; + let single_delegations = build_single_delegations::( + self.cx, deleg, item, suffixes, item.span, false, + ); + Node::flatten_outputs(single_delegations.map(|item| { + let mut item = Node::from_item(item); assign_id!(self, item.node_id_mut(), || item.noop_flat_map(self)) })) } @@ -1983,7 +2059,7 @@ impl<'a, 'b> InvocationCollector<'a, 'b> { self.collect_bang(mac, Node::KIND).make_ast::() }) } - None if node.delegation_list().is_some() => unreachable!(), + None if node.delegation().is_some() => unreachable!(), None => { assign_id!(self, node.node_id_mut(), || node.noop_visit(self)) } diff --git a/compiler/rustc_parse/src/errors.rs b/compiler/rustc_parse/src/errors.rs index 6c1fcbe06fc5..314f3f17dab0 100644 --- a/compiler/rustc_parse/src/errors.rs +++ b/compiler/rustc_parse/src/errors.rs @@ -2699,12 +2699,13 @@ pub(crate) struct SingleColonImportPath { #[derive(Diagnostic)] #[diag(parse_bad_item_kind)] -#[help] pub(crate) struct BadItemKind { #[primary_span] pub span: Span, pub descr: &'static str, pub ctx: &'static str, + #[help] + pub help: Option<()>, } #[derive(Diagnostic)] diff --git a/compiler/rustc_parse/src/parser/item.rs b/compiler/rustc_parse/src/parser/item.rs index 3f5a4afdad8a..9df1431f6570 100644 --- a/compiler/rustc_parse/src/parser/item.rs +++ b/compiler/rustc_parse/src/parser/item.rs @@ -707,15 +707,25 @@ impl<'a> Parser<'a> { }; let (ident, item_kind) = if self.eat(&token::PathSep) { - let (suffixes, _) = self.parse_delim_comma_seq(Delimiter::Brace, |p| { - Ok((p.parse_path_segment_ident()?, rename(p)?)) - })?; + let suffixes = if self.eat(&token::BinOp(token::Star)) { + None + } else { + let parse_suffix = |p: &mut Self| Ok((p.parse_path_segment_ident()?, rename(p)?)); + Some(self.parse_delim_comma_seq(Delimiter::Brace, parse_suffix)?.0) + }; let deleg = DelegationMac { qself, prefix: path, suffixes, body: body(self)? }; (Ident::empty(), ItemKind::DelegationMac(Box::new(deleg))) } else { let rename = rename(self)?; let ident = rename.unwrap_or_else(|| path.segments.last().unwrap().ident); - let deleg = Delegation { id: DUMMY_NODE_ID, qself, path, rename, body: body(self)? }; + let deleg = Delegation { + id: DUMMY_NODE_ID, + qself, + path, + rename, + body: body(self)?, + from_glob: false, + }; (ident, ItemKind::Delegation(Box::new(deleg))) }; @@ -1237,7 +1247,11 @@ impl<'a> Parser<'a> { // FIXME(#100717): needs variant for each `ItemKind` (instead of using `ItemKind::descr()`) let span = self.psess.source_map().guess_head_span(span); let descr = kind.descr(); - self.dcx().emit_err(errors::BadItemKind { span, descr, ctx }); + let help = match kind { + ItemKind::DelegationMac(deleg) if deleg.suffixes.is_none() => None, + _ => Some(()), + }; + self.dcx().emit_err(errors::BadItemKind { span, descr, ctx, help }); None } diff --git a/compiler/rustc_resolve/src/build_reduced_graph.rs b/compiler/rustc_resolve/src/build_reduced_graph.rs index 689109b2840f..e035749fc39e 100644 --- a/compiler/rustc_resolve/src/build_reduced_graph.rs +++ b/compiler/rustc_resolve/src/build_reduced_graph.rs @@ -19,6 +19,7 @@ use rustc_ast::{self as ast, AssocItem, AssocItemKind, MetaItemKind, StmtKind}; use rustc_ast::{Block, ForeignItem, ForeignItemKind, Impl, Item, ItemKind, NodeId}; use rustc_attr as attr; use rustc_data_structures::sync::Lrc; +use rustc_expand::base::ResolverExpand; use rustc_expand::expand::AstFragment; use rustc_hir::def::{self, *}; use rustc_hir::def_id::{DefId, LocalDefId, CRATE_DEF_ID}; @@ -1358,6 +1359,14 @@ impl<'a, 'b, 'tcx> Visitor<'b> for BuildReducedGraphVisitor<'a, 'b, 'tcx> { self.visit_invoc_in_module(item.id); } AssocCtxt::Impl => { + let invoc_id = item.id.placeholder_to_expn_id(); + if !self.r.glob_delegation_invoc_ids.contains(&invoc_id) { + self.r + .impl_unexpanded_invocations + .entry(self.r.invocation_parent(invoc_id)) + .or_default() + .insert(invoc_id); + } self.visit_invoc(item.id); } } @@ -1379,18 +1388,21 @@ impl<'a, 'b, 'tcx> Visitor<'b> for BuildReducedGraphVisitor<'a, 'b, 'tcx> { self.r.feed_visibility(feed, vis); } + let ns = match item.kind { + AssocItemKind::Const(..) | AssocItemKind::Delegation(..) | AssocItemKind::Fn(..) => { + ValueNS + } + AssocItemKind::Type(..) => TypeNS, + AssocItemKind::MacCall(_) | AssocItemKind::DelegationMac(..) => bug!(), // handled above + }; if ctxt == AssocCtxt::Trait { - let ns = match item.kind { - AssocItemKind::Const(..) - | AssocItemKind::Delegation(..) - | AssocItemKind::Fn(..) => ValueNS, - AssocItemKind::Type(..) => TypeNS, - AssocItemKind::MacCall(_) | AssocItemKind::DelegationMac(..) => bug!(), // handled above - }; - let parent = self.parent_scope.module; let expansion = self.parent_scope.expansion; self.r.define(parent, item.ident, ns, (self.res(def_id), vis, item.span, expansion)); + } else if !matches!(&item.kind, AssocItemKind::Delegation(deleg) if deleg.from_glob) { + let impl_def_id = self.r.tcx.local_parent(local_def_id); + let key = BindingKey::new(item.ident.normalize_to_macros_2_0(), ns); + self.r.impl_binding_keys.entry(impl_def_id).or_default().insert(key); } visit::walk_assoc_item(self, item, ctxt); diff --git a/compiler/rustc_resolve/src/def_collector.rs b/compiler/rustc_resolve/src/def_collector.rs index ca97d10617b6..fb6e55f2b7bd 100644 --- a/compiler/rustc_resolve/src/def_collector.rs +++ b/compiler/rustc_resolve/src/def_collector.rs @@ -144,8 +144,9 @@ impl<'a, 'b, 'tcx> visit::Visitor<'a> for DefCollector<'a, 'b, 'tcx> { } ItemKind::GlobalAsm(..) => DefKind::GlobalAsm, ItemKind::Use(..) => return visit::walk_item(self, i), - ItemKind::MacCall(..) => return self.visit_macro_invoc(i.id), - ItemKind::DelegationMac(..) => unreachable!(), + ItemKind::MacCall(..) | ItemKind::DelegationMac(..) => { + return self.visit_macro_invoc(i.id); + } }; let def_id = self.create_def(i.id, i.ident.name, def_kind, i.span); @@ -294,8 +295,9 @@ impl<'a, 'b, 'tcx> visit::Visitor<'a> for DefCollector<'a, 'b, 'tcx> { AssocItemKind::Fn(..) | AssocItemKind::Delegation(..) => DefKind::AssocFn, AssocItemKind::Const(..) => DefKind::AssocConst, AssocItemKind::Type(..) => DefKind::AssocTy, - AssocItemKind::MacCall(..) => return self.visit_macro_invoc(i.id), - AssocItemKind::DelegationMac(..) => unreachable!(), + AssocItemKind::MacCall(..) | AssocItemKind::DelegationMac(..) => { + return self.visit_macro_invoc(i.id); + } }; let def = self.create_def(i.id, i.ident.name, def_kind, i.span); diff --git a/compiler/rustc_resolve/src/late.rs b/compiler/rustc_resolve/src/late.rs index b0adc3775f66..fa711d932b63 100644 --- a/compiler/rustc_resolve/src/late.rs +++ b/compiler/rustc_resolve/src/late.rs @@ -3281,17 +3281,19 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { } self.visit_path(&delegation.path, delegation.id); if let Some(body) = &delegation.body { - // `PatBoundCtx` is not necessary in this context - let mut bindings = smallvec![(PatBoundCtx::Product, Default::default())]; + self.with_rib(ValueNS, RibKind::FnOrCoroutine, |this| { + // `PatBoundCtx` is not necessary in this context + let mut bindings = smallvec![(PatBoundCtx::Product, Default::default())]; - let span = delegation.path.segments.last().unwrap().ident.span; - self.fresh_binding( - Ident::new(kw::SelfLower, span), - delegation.id, - PatternSource::FnParam, - &mut bindings, - ); - self.visit_block(body); + let span = delegation.path.segments.last().unwrap().ident.span; + this.fresh_binding( + Ident::new(kw::SelfLower, span), + delegation.id, + PatternSource::FnParam, + &mut bindings, + ); + this.visit_block(body); + }); } } diff --git a/compiler/rustc_resolve/src/lib.rs b/compiler/rustc_resolve/src/lib.rs index 9557b0f5ebc0..3a831a7f19e0 100644 --- a/compiler/rustc_resolve/src/lib.rs +++ b/compiler/rustc_resolve/src/lib.rs @@ -1089,7 +1089,7 @@ pub struct Resolver<'a, 'tcx> { single_segment_macro_resolutions: Vec<(Ident, MacroKind, ParentScope<'a>, Option>)>, multi_segment_macro_resolutions: - Vec<(Vec, Span, MacroKind, ParentScope<'a>, Option)>, + Vec<(Vec, Span, MacroKind, ParentScope<'a>, Option, Namespace)>, builtin_attrs: Vec<(Ident, ParentScope<'a>)>, /// `derive(Copy)` marks items they are applied to so they are treated specially later. /// Derive macros cannot modify the item themselves and have to store the markers in the global @@ -1163,6 +1163,15 @@ pub struct Resolver<'a, 'tcx> { doc_link_resolutions: FxHashMap, doc_link_traits_in_scope: FxHashMap>, all_macro_rules: FxHashMap, + + /// Invocation ids of all glob delegations. + glob_delegation_invoc_ids: FxHashSet, + /// Analogue of module `unexpanded_invocations` but in trait impls, excluding glob delegations. + /// Needed because glob delegations wait for all other neighboring macros to expand. + impl_unexpanded_invocations: FxHashMap>, + /// Simplified analogue of module `resolutions` but in trait impls, excluding glob delegations. + /// Needed because glob delegations exclude explicitly defined names. + impl_binding_keys: FxHashMap>, } /// Nothing really interesting here; it just provides memory for the rest of the crate. @@ -1504,6 +1513,9 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { doc_link_traits_in_scope: Default::default(), all_macro_rules: Default::default(), delegation_fn_sigs: Default::default(), + glob_delegation_invoc_ids: Default::default(), + impl_unexpanded_invocations: Default::default(), + impl_binding_keys: Default::default(), }; let root_parent_scope = ParentScope::module(graph_root, &resolver); diff --git a/compiler/rustc_resolve/src/macros.rs b/compiler/rustc_resolve/src/macros.rs index 268e7f06d042..87794d11cea9 100644 --- a/compiler/rustc_resolve/src/macros.rs +++ b/compiler/rustc_resolve/src/macros.rs @@ -5,7 +5,7 @@ use crate::errors::CannotDetermineMacroResolution; use crate::errors::{self, AddAsNonDerive, CannotFindIdentInThisScope}; use crate::errors::{MacroExpectedFound, RemoveSurroundingDerive}; use crate::Namespace::*; -use crate::{BuiltinMacroState, Determinacy, MacroData, Used}; +use crate::{BindingKey, BuiltinMacroState, Determinacy, MacroData, Used}; use crate::{DeriveData, Finalize, ParentScope, ResolutionError, Resolver, ScopeSet}; use crate::{ModuleKind, ModuleOrUniformRoot, NameBinding, PathResult, Segment, ToNameBinding}; use rustc_ast::expand::StrippedCfgItem; @@ -198,6 +198,11 @@ impl<'a, 'tcx> ResolverExpand for Resolver<'a, 'tcx> { self.output_macro_rules_scopes.insert(expansion, output_macro_rules_scope); parent_scope.module.unexpanded_invocations.borrow_mut().remove(&expansion); + if let Some(unexpanded_invocations) = + self.impl_unexpanded_invocations.get_mut(&self.invocation_parent(expansion)) + { + unexpanded_invocations.remove(&expansion); + } } fn register_builtin_macro(&mut self, name: Symbol, ext: SyntaxExtensionKind) { @@ -262,15 +267,21 @@ impl<'a, 'tcx> ResolverExpand for Resolver<'a, 'tcx> { } }; - let (path, kind, inner_attr, derives) = match invoc.kind { - InvocationKind::Attr { ref attr, ref derives, .. } => ( - &attr.get_normal_item().path, - MacroKind::Attr, - attr.style == ast::AttrStyle::Inner, - self.arenas.alloc_ast_paths(derives), - ), - InvocationKind::Bang { ref mac, .. } => (&mac.path, MacroKind::Bang, false, &[][..]), - InvocationKind::Derive { ref path, .. } => (path, MacroKind::Derive, false, &[][..]), + let (mut derives, mut inner_attr, mut deleg_impl) = (&[][..], false, None); + let (path, kind) = match invoc.kind { + InvocationKind::Attr { ref attr, derives: ref attr_derives, .. } => { + derives = self.arenas.alloc_ast_paths(attr_derives); + inner_attr = attr.style == ast::AttrStyle::Inner; + (&attr.get_normal_item().path, MacroKind::Attr) + } + InvocationKind::Bang { ref mac, .. } => (&mac.path, MacroKind::Bang), + InvocationKind::Derive { ref path, .. } => (path, MacroKind::Derive), + InvocationKind::GlobDelegation { ref item } => { + let ast::AssocItemKind::DelegationMac(deleg) = &item.kind else { unreachable!() }; + deleg_impl = Some(self.invocation_parent(invoc_id)); + // It is sufficient to consider glob delegation a bang macro for now. + (&deleg.prefix, MacroKind::Bang) + } }; // Derives are not included when `invocations` are collected, so we have to add them here. @@ -286,10 +297,11 @@ impl<'a, 'tcx> ResolverExpand for Resolver<'a, 'tcx> { node_id, force, soft_custom_inner_attributes_gate(path, invoc), + deleg_impl, )?; let span = invoc.span(); - let def_id = res.opt_def_id(); + let def_id = if deleg_impl.is_some() { None } else { res.opt_def_id() }; invoc_id.set_expn_data( ext.expn_data( parent_scope.expansion, @@ -452,6 +464,45 @@ impl<'a, 'tcx> ResolverExpand for Resolver<'a, 'tcx> { fn registered_tools(&self) -> &RegisteredTools { self.registered_tools } + + fn register_glob_delegation(&mut self, invoc_id: LocalExpnId) { + self.glob_delegation_invoc_ids.insert(invoc_id); + } + + fn glob_delegation_suffixes( + &mut self, + trait_def_id: DefId, + impl_def_id: LocalDefId, + ) -> Result)>, Indeterminate> { + let target_trait = self.expect_module(trait_def_id); + if !target_trait.unexpanded_invocations.borrow().is_empty() { + return Err(Indeterminate); + } + // FIXME: Instead of waiting try generating all trait methods, and pruning + // the shadowed ones a bit later, e.g. when all macro expansion completes. + // Pros: expansion will be stuck less (but only in exotic cases), the implementation may be + // less hacky. + // Cons: More code is generated just to be deleted later, deleting already created `DefId`s + // may be nontrivial. + if let Some(unexpanded_invocations) = self.impl_unexpanded_invocations.get(&impl_def_id) + && !unexpanded_invocations.is_empty() + { + return Err(Indeterminate); + } + + let mut idents = Vec::new(); + target_trait.for_each_child(self, |this, ident, ns, _binding| { + // FIXME: Adjust hygiene for idents from globs, like for glob imports. + if let Some(overriding_keys) = this.impl_binding_keys.get(&impl_def_id) + && overriding_keys.contains(&BindingKey::new(ident.normalize_to_macros_2_0(), ns)) + { + // The name is overridden, do not produce it from the glob delegation. + } else { + idents.push((ident, None)); + } + }); + Ok(idents) + } } impl<'a, 'tcx> Resolver<'a, 'tcx> { @@ -468,15 +519,40 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { node_id: NodeId, force: bool, soft_custom_inner_attributes_gate: bool, + deleg_impl: Option, ) -> Result<(Lrc, Res), Indeterminate> { - let (ext, res) = match self.resolve_macro_path(path, Some(kind), parent_scope, true, force) - { + let (ext, res) = match self.resolve_macro_or_delegation_path( + path, + Some(kind), + parent_scope, + true, + force, + deleg_impl, + ) { Ok((Some(ext), res)) => (ext, res), Ok((None, res)) => (self.dummy_ext(kind), res), Err(Determinacy::Determined) => (self.dummy_ext(kind), Res::Err), Err(Determinacy::Undetermined) => return Err(Indeterminate), }; + // Everything below is irrelevant to glob delegation, take a shortcut. + if deleg_impl.is_some() { + if !matches!(res, Res::Err | Res::Def(DefKind::Trait, _)) { + self.dcx().emit_err(MacroExpectedFound { + span: path.span, + expected: "trait", + article: "a", + found: res.descr(), + macro_path: &pprust::path_to_string(path), + remove_surrounding_derive: None, + add_as_non_derive: None, + }); + return Ok((self.dummy_ext(kind), Res::Err)); + } + + return Ok((ext, res)); + } + // Report errors for the resolved macro. for segment in &path.segments { if let Some(args) = &segment.args { @@ -605,12 +681,25 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { parent_scope: &ParentScope<'a>, trace: bool, force: bool, + ) -> Result<(Option>, Res), Determinacy> { + self.resolve_macro_or_delegation_path(path, kind, parent_scope, trace, force, None) + } + + fn resolve_macro_or_delegation_path( + &mut self, + path: &ast::Path, + kind: Option, + parent_scope: &ParentScope<'a>, + trace: bool, + force: bool, + deleg_impl: Option, ) -> Result<(Option>, Res), Determinacy> { let path_span = path.span; let mut path = Segment::from_path(path); // Possibly apply the macro helper hack - if kind == Some(MacroKind::Bang) + if deleg_impl.is_none() + && kind == Some(MacroKind::Bang) && path.len() == 1 && path[0].ident.span.ctxt().outer_expn_data().local_inner_macros { @@ -618,13 +707,17 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { path.insert(0, Segment::from_ident(root)); } - let res = if path.len() > 1 { - let res = match self.maybe_resolve_path(&path, Some(MacroNS), parent_scope) { + let res = if deleg_impl.is_some() || path.len() > 1 { + let ns = if deleg_impl.is_some() { TypeNS } else { MacroNS }; + let res = match self.maybe_resolve_path(&path, Some(ns), parent_scope) { PathResult::NonModule(path_res) if let Some(res) = path_res.full_res() => Ok(res), PathResult::Indeterminate if !force => return Err(Determinacy::Undetermined), PathResult::NonModule(..) | PathResult::Indeterminate | PathResult::Failed { .. } => Err(Determinacy::Determined), + PathResult::Module(ModuleOrUniformRoot::Module(module)) => { + Ok(module.res().unwrap()) + } PathResult::Module(..) => unreachable!(), }; @@ -636,6 +729,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { kind, *parent_scope, res.ok(), + ns, )); } @@ -670,7 +764,18 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { res }; - res.map(|res| (self.get_macro(res).map(|macro_data| macro_data.ext.clone()), res)) + let res = res?; + let ext = match deleg_impl { + Some(impl_def_id) => match res { + def::Res::Def(DefKind::Trait, def_id) => { + let edition = self.tcx.sess.edition(); + Some(Lrc::new(SyntaxExtension::glob_delegation(def_id, impl_def_id, edition))) + } + _ => None, + }, + None => self.get_macro(res).map(|macro_data| macro_data.ext.clone()), + }; + Ok((ext, res)) } pub(crate) fn finalize_macro_resolutions(&mut self, krate: &Crate) { @@ -706,14 +811,14 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { }; let macro_resolutions = mem::take(&mut self.multi_segment_macro_resolutions); - for (mut path, path_span, kind, parent_scope, initial_res) in macro_resolutions { + for (mut path, path_span, kind, parent_scope, initial_res, ns) in macro_resolutions { // FIXME: Path resolution will ICE if segment IDs present. for seg in &mut path { seg.id = None; } match self.resolve_path( &path, - Some(MacroNS), + Some(ns), &parent_scope, Some(Finalize::new(ast::CRATE_NODE_ID, path_span)), None, @@ -721,6 +826,15 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { PathResult::NonModule(path_res) if let Some(res) = path_res.full_res() => { check_consistency(self, &path, path_span, kind, initial_res, res) } + // This may be a trait for glob delegation expansions. + PathResult::Module(ModuleOrUniformRoot::Module(module)) => check_consistency( + self, + &path, + path_span, + kind, + initial_res, + module.res().unwrap(), + ), path_res @ (PathResult::NonModule(..) | PathResult::Failed { .. }) => { let mut suggestion = None; let (span, label, module) = diff --git a/tests/ui/delegation/body-identity-glob.rs b/tests/ui/delegation/body-identity-glob.rs new file mode 100644 index 000000000000..58b644f46d61 --- /dev/null +++ b/tests/ui/delegation/body-identity-glob.rs @@ -0,0 +1,32 @@ +//@ check-pass + +#![feature(fn_delegation)] +#![allow(incomplete_features)] + +trait Trait { + fn foo(&self) {} + fn bar(&self) {} +} + +impl Trait for u8 {} + +struct S(u8); + +mod to_import { + pub fn check(arg: &u8) -> &u8 { arg } +} + +impl Trait for S { + reuse Trait::* { + use to_import::check; + + let _arr = Some(self.0).map(|x| [x * 2; 3]); + check(&self.0) + } +} + +fn main() { + let s = S(0); + s.foo(); + s.bar(); +} diff --git a/tests/ui/delegation/empty-glob.rs b/tests/ui/delegation/empty-glob.rs new file mode 100644 index 000000000000..d98579d89725 --- /dev/null +++ b/tests/ui/delegation/empty-glob.rs @@ -0,0 +1,11 @@ +#![feature(fn_delegation)] +#![allow(incomplete_features)] + +trait Trait {} + +struct S; +impl S { + reuse Trait::*; //~ ERROR empty glob delegation is not supported +} + +fn main() {} diff --git a/tests/ui/delegation/empty-glob.stderr b/tests/ui/delegation/empty-glob.stderr new file mode 100644 index 000000000000..f4d282f6a0f6 --- /dev/null +++ b/tests/ui/delegation/empty-glob.stderr @@ -0,0 +1,8 @@ +error: empty glob delegation is not supported + --> $DIR/empty-glob.rs:8:5 + | +LL | reuse Trait::*; + | ^^^^^^^^^^^^^^^ + +error: aborting due to 1 previous error + diff --git a/tests/ui/delegation/glob-bad-path.rs b/tests/ui/delegation/glob-bad-path.rs new file mode 100644 index 000000000000..7bc4f0153a30 --- /dev/null +++ b/tests/ui/delegation/glob-bad-path.rs @@ -0,0 +1,12 @@ +#![feature(fn_delegation)] +#![allow(incomplete_features)] + +trait Trait {} +struct S; + +impl Trait for u8 { + reuse unresolved::*; //~ ERROR failed to resolve: use of undeclared crate or module `unresolved` + reuse S::*; //~ ERROR expected trait, found struct `S` +} + +fn main() {} diff --git a/tests/ui/delegation/glob-bad-path.stderr b/tests/ui/delegation/glob-bad-path.stderr new file mode 100644 index 000000000000..0c06364b3f0a --- /dev/null +++ b/tests/ui/delegation/glob-bad-path.stderr @@ -0,0 +1,15 @@ +error: expected trait, found struct `S` + --> $DIR/glob-bad-path.rs:9:11 + | +LL | reuse S::*; + | ^ not a trait + +error[E0433]: failed to resolve: use of undeclared crate or module `unresolved` + --> $DIR/glob-bad-path.rs:8:11 + | +LL | reuse unresolved::*; + | ^^^^^^^^^^ use of undeclared crate or module `unresolved` + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0433`. diff --git a/tests/ui/delegation/glob-glob-conflict.rs b/tests/ui/delegation/glob-glob-conflict.rs new file mode 100644 index 000000000000..2843bf8c4934 --- /dev/null +++ b/tests/ui/delegation/glob-glob-conflict.rs @@ -0,0 +1,33 @@ +#![feature(fn_delegation)] +#![allow(incomplete_features)] + +trait Trait1 { + fn method(&self) -> u8; +} +trait Trait2 { + fn method(&self) -> u8; +} +trait Trait { + fn method(&self) -> u8; +} + +impl Trait1 for u8 { + fn method(&self) -> u8 { 0 } +} +impl Trait1 for u16 { + fn method(&self) -> u8 { 1 } +} +impl Trait2 for u8 { + fn method(&self) -> u8 { 2 } +} + +impl Trait for u8 { + reuse Trait1::*; + reuse Trait2::*; //~ ERROR duplicate definitions with name `method` +} +impl Trait for u16 { + reuse Trait1::*; + reuse Trait1::*; //~ ERROR duplicate definitions with name `method` +} + +fn main() {} diff --git a/tests/ui/delegation/glob-glob-conflict.stderr b/tests/ui/delegation/glob-glob-conflict.stderr new file mode 100644 index 000000000000..8c7e5a4b023c --- /dev/null +++ b/tests/ui/delegation/glob-glob-conflict.stderr @@ -0,0 +1,25 @@ +error[E0201]: duplicate definitions with name `method`: + --> $DIR/glob-glob-conflict.rs:26:5 + | +LL | fn method(&self) -> u8; + | ----------------------- item in trait +... +LL | reuse Trait1::*; + | ---------------- previous definition here +LL | reuse Trait2::*; + | ^^^^^^^^^^^^^^^^ duplicate definition + +error[E0201]: duplicate definitions with name `method`: + --> $DIR/glob-glob-conflict.rs:30:5 + | +LL | fn method(&self) -> u8; + | ----------------------- item in trait +... +LL | reuse Trait1::*; + | ---------------- previous definition here +LL | reuse Trait1::*; + | ^^^^^^^^^^^^^^^^ duplicate definition + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0201`. diff --git a/tests/ui/delegation/glob-glob.rs b/tests/ui/delegation/glob-glob.rs new file mode 100644 index 000000000000..ef7f9a15e195 --- /dev/null +++ b/tests/ui/delegation/glob-glob.rs @@ -0,0 +1,36 @@ +//@ check-pass + +#![feature(fn_delegation)] +#![allow(incomplete_features)] + +mod inner { + pub trait TraitFoo { + fn foo(&self) -> u8; + } + pub trait TraitBar { + fn bar(&self) -> u8; + } + + impl TraitFoo for u8 { + fn foo(&self) -> u8 { 0 } + } + impl TraitBar for u8 { + fn bar(&self) -> u8 { 1 } + } +} + +trait Trait { + fn foo(&self) -> u8; + fn bar(&self) -> u8; +} + +impl Trait for u8 { + reuse inner::TraitFoo::*; + reuse inner::TraitBar::*; +} + +fn main() { + let u = 0u8; + u.foo(); + u.bar(); +} diff --git a/tests/ui/delegation/glob-non-fn.rs b/tests/ui/delegation/glob-non-fn.rs new file mode 100644 index 000000000000..ab312d51f498 --- /dev/null +++ b/tests/ui/delegation/glob-non-fn.rs @@ -0,0 +1,38 @@ +#![feature(fn_delegation)] +#![allow(incomplete_features)] + +trait Trait { + fn method(&self); + const CONST: u8; + type Type; + #[allow(non_camel_case_types)] + type method; +} + +impl Trait for u8 { + fn method(&self) {} + const CONST: u8 = 0; + type Type = u8; + type method = u8; +} + +struct Good(u8); +impl Trait for Good { + reuse Trait::* { &self.0 } + // Explicit definitions for non-delegatable items. + const CONST: u8 = 0; + type Type = u8; + type method = u8; +} + +struct Bad(u8); +impl Trait for Bad { //~ ERROR not all trait items implemented, missing: `CONST`, `Type`, `method` + reuse Trait::* { &self.0 } + //~^ ERROR item `CONST` is an associated method, which doesn't match its trait `Trait` + //~| ERROR item `Type` is an associated method, which doesn't match its trait `Trait` + //~| ERROR duplicate definitions with name `method` + //~| ERROR expected function, found associated constant `Trait::CONST` + //~| ERROR expected function, found associated type `Trait::Type` +} + +fn main() {} diff --git a/tests/ui/delegation/glob-non-fn.stderr b/tests/ui/delegation/glob-non-fn.stderr new file mode 100644 index 000000000000..4b918c53b848 --- /dev/null +++ b/tests/ui/delegation/glob-non-fn.stderr @@ -0,0 +1,62 @@ +error[E0324]: item `CONST` is an associated method, which doesn't match its trait `Trait` + --> $DIR/glob-non-fn.rs:30:5 + | +LL | const CONST: u8; + | ---------------- item in trait +... +LL | reuse Trait::* { &self.0 } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ does not match trait + +error[E0324]: item `Type` is an associated method, which doesn't match its trait `Trait` + --> $DIR/glob-non-fn.rs:30:5 + | +LL | type Type; + | ---------- item in trait +... +LL | reuse Trait::* { &self.0 } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ does not match trait + +error[E0201]: duplicate definitions with name `method`: + --> $DIR/glob-non-fn.rs:30:5 + | +LL | fn method(&self); + | ----------------- item in trait +... +LL | reuse Trait::* { &self.0 } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ + | | + | duplicate definition + | previous definition here + +error[E0423]: expected function, found associated constant `Trait::CONST` + --> $DIR/glob-non-fn.rs:30:11 + | +LL | reuse Trait::* { &self.0 } + | ^^^^^ not a function + +error[E0423]: expected function, found associated type `Trait::Type` + --> $DIR/glob-non-fn.rs:30:11 + | +LL | reuse Trait::* { &self.0 } + | ^^^^^ + | + = note: can't use a type alias as a constructor + +error[E0046]: not all trait items implemented, missing: `CONST`, `Type`, `method` + --> $DIR/glob-non-fn.rs:29:1 + | +LL | const CONST: u8; + | --------------- `CONST` from trait +LL | type Type; + | --------- `Type` from trait +LL | #[allow(non_camel_case_types)] +LL | type method; + | ----------- `method` from trait +... +LL | impl Trait for Bad { + | ^^^^^^^^^^^^^^^^^^ missing `CONST`, `Type`, `method` in implementation + +error: aborting due to 6 previous errors + +Some errors have detailed explanations: E0046, E0201, E0324, E0423. +For more information about an error, try `rustc --explain E0046`. diff --git a/tests/ui/delegation/glob-non-impl.rs b/tests/ui/delegation/glob-non-impl.rs new file mode 100644 index 000000000000..d523731eeb35 --- /dev/null +++ b/tests/ui/delegation/glob-non-impl.rs @@ -0,0 +1,20 @@ +#![feature(fn_delegation)] +#![allow(incomplete_features)] + +trait Trait { + fn method() {} +} + +reuse Trait::*; //~ ERROR glob delegation is only supported in impls + +trait OtherTrait { + reuse Trait::*; //~ ERROR glob delegation is only supported in impls +} + +extern { + reuse Trait::*; //~ ERROR delegation is not supported in `extern` blocks +} + +fn main() { + reuse Trait::*; //~ ERROR glob delegation is only supported in impls +} diff --git a/tests/ui/delegation/glob-non-impl.stderr b/tests/ui/delegation/glob-non-impl.stderr new file mode 100644 index 000000000000..ea458fd5e90f --- /dev/null +++ b/tests/ui/delegation/glob-non-impl.stderr @@ -0,0 +1,26 @@ +error: delegation is not supported in `extern` blocks + --> $DIR/glob-non-impl.rs:15:5 + | +LL | reuse Trait::*; + | ^^^^^^^^^^^^^^^ + +error: glob delegation is only supported in impls + --> $DIR/glob-non-impl.rs:8:1 + | +LL | reuse Trait::*; + | ^^^^^^^^^^^^^^^ + +error: glob delegation is only supported in impls + --> $DIR/glob-non-impl.rs:11:5 + | +LL | reuse Trait::*; + | ^^^^^^^^^^^^^^^ + +error: glob delegation is only supported in impls + --> $DIR/glob-non-impl.rs:19:5 + | +LL | reuse Trait::*; + | ^^^^^^^^^^^^^^^ + +error: aborting due to 4 previous errors + diff --git a/tests/ui/delegation/glob-override.rs b/tests/ui/delegation/glob-override.rs new file mode 100644 index 000000000000..1d0dcf1df6e6 --- /dev/null +++ b/tests/ui/delegation/glob-override.rs @@ -0,0 +1,37 @@ +//@ check-pass + +#![feature(fn_delegation)] +#![allow(incomplete_features)] + +trait Trait { + fn foo(&self) -> u8; + fn bar(&self) -> u8; +} + +impl Trait for u8 { + fn foo(&self) -> u8 { 0 } + fn bar(&self) -> u8 { 1 } +} + +struct S(u8); +struct Z(u8); + +impl Trait for S { + reuse Trait::* { &self.0 } + fn bar(&self) -> u8 { 2 } +} + +impl Trait for Z { + reuse Trait::* { &self.0 } + reuse Trait::bar { &self.0 } +} + +fn main() { + let s = S(2); + s.foo(); + s.bar(); + + let z = Z(2); + z.foo(); + z.bar(); +} diff --git a/tests/ui/delegation/glob.rs b/tests/ui/delegation/glob.rs new file mode 100644 index 000000000000..5bc80c166489 --- /dev/null +++ b/tests/ui/delegation/glob.rs @@ -0,0 +1,35 @@ +//@ check-pass + +#![feature(fn_delegation)] +#![allow(incomplete_features)] + +trait Trait { + fn foo(&self) -> u8; + fn bar(&self) -> u8; +} + +impl Trait for u8 { + fn foo(&self) -> u8 { 0 } + fn bar(&self) -> u8 { 1 } +} + +struct S(u8); +struct Z(u8); + +impl Trait for S { + reuse Trait::* { &self.0 } +} + +impl Trait for Z { + reuse ::* { &self.0 } +} + +fn main() { + let s = S(2); + s.foo(); + s.bar(); + + let z = Z(3); + z.foo(); + z.bar(); +} diff --git a/tests/ui/delegation/macro-inside-glob.rs b/tests/ui/delegation/macro-inside-glob.rs new file mode 100644 index 000000000000..1d529341c5b4 --- /dev/null +++ b/tests/ui/delegation/macro-inside-glob.rs @@ -0,0 +1,26 @@ +//@ check-pass + +#![feature(fn_delegation)] +#![allow(incomplete_features)] + +trait Trait { + fn foo(&self) -> u8 { 0 } + fn bar(&self) -> u8 { 1 } +} + +impl Trait for u8 {} + +struct S(u8); + +// Macro expansion works inside delegation items. +macro_rules! u8 { () => { u8 } } +macro_rules! self_0 { ($self:ident) => { &$self.0 } } +impl Trait for S { + reuse ::* { self_0!(self) } +} + +fn main() { + let s = S(2); + s.foo(); + s.bar(); +} diff --git a/tests/ui/delegation/macro-inside-list.rs b/tests/ui/delegation/macro-inside-list.rs index 16c74d396ef0..d07a4e47dd4c 100644 --- a/tests/ui/delegation/macro-inside-list.rs +++ b/tests/ui/delegation/macro-inside-list.rs @@ -14,9 +14,9 @@ struct S(u8); // Macro expansion works inside delegation items. macro_rules! u8 { () => { u8 } } -macro_rules! self_0 { () => { &self.0 } } +macro_rules! self_0 { ($self:ident) => { &$self.0 } } impl Trait for S { - reuse ::{foo, bar} { self_0!() } + reuse ::{foo, bar} { self_0!(self) } } fn main() { From 04af37170cc6a608f87b48706d49be3504585f58 Mon Sep 17 00:00:00 2001 From: Martin Nordholts Date: Thu, 13 Jun 2024 20:42:12 +0200 Subject: [PATCH 1546/1716] Also sort `crt-static` in `--print target-features` output I didn't find `crt-static` at first (for `x86_64-unknown-linux-gnu`), because it was put at the bottom the large and otherwise sorted list. Fully sort the list before we print it. Note that `llvm_target_features` starts out sorted and does not need to be sorted an extra time. --- compiler/rustc_codegen_llvm/src/llvm_util.rs | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/compiler/rustc_codegen_llvm/src/llvm_util.rs b/compiler/rustc_codegen_llvm/src/llvm_util.rs index 53b9b530e9bd..7e0f264a4aed 100644 --- a/compiler/rustc_codegen_llvm/src/llvm_util.rs +++ b/compiler/rustc_codegen_llvm/src/llvm_util.rs @@ -394,10 +394,15 @@ fn print_target_features(out: &mut dyn PrintBackendInfo, sess: &Session, tm: &ll (*feature, desc) }) .collect::>(); + + // Since we add this at the end ... rustc_target_features.extend_from_slice(&[( "crt-static", "Enables C Run-time Libraries to be statically linked", )]); + // ... we need to sort the list again. + rustc_target_features.sort(); + llvm_target_features.retain(|(f, _d)| !known_llvm_target_features.contains(f)); let max_feature_len = llvm_target_features From a3b7c2993ed969e4abb3ad196c7abe3e05d88a93 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Fri, 14 Jun 2024 13:42:42 -0400 Subject: [PATCH 1547/1716] rewrite extern-flag-fun to rmake --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/extern-flag-fun/Makefile | 20 ----------- tests/run-make/extern-flag-fun/rmake.rs | 36 +++++++++++++++++++ 3 files changed, 36 insertions(+), 21 deletions(-) delete mode 100644 tests/run-make/extern-flag-fun/Makefile create mode 100644 tests/run-make/extern-flag-fun/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index be9df226d64e..ec184c2c2146 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -43,7 +43,6 @@ run-make/error-writing-dependencies/Makefile run-make/export-executable-symbols/Makefile run-make/extern-diff-internal-name/Makefile run-make/extern-flag-disambiguates/Makefile -run-make/extern-flag-fun/Makefile run-make/extern-flag-pathless/Makefile run-make/extern-flag-rename-transitive/Makefile run-make/extern-fn-explicit-align/Makefile diff --git a/tests/run-make/extern-flag-fun/Makefile b/tests/run-make/extern-flag-fun/Makefile deleted file mode 100644 index 687cdfd76755..000000000000 --- a/tests/run-make/extern-flag-fun/Makefile +++ /dev/null @@ -1,20 +0,0 @@ -# ignore-cross-compile -include ../tools.mk - -all: - $(RUSTC) bar.rs --crate-type=rlib - $(RUSTC) bar.rs --crate-type=rlib -C extra-filename=-a - $(RUSTC) bar-alt.rs --crate-type=rlib - $(RUSTC) foo.rs --extern bar=no-exist && exit 1 || exit 0 - $(RUSTC) foo.rs --extern bar=foo.rs && exit 1 || exit 0 - $(RUSTC) foo.rs \ - --extern bar=$(TMPDIR)/libbar.rlib \ - --extern bar=$(TMPDIR)/libbar-alt.rlib \ - && exit 1 || exit 0 - $(RUSTC) foo.rs \ - --extern bar=$(TMPDIR)/libbar.rlib \ - --extern bar=$(TMPDIR)/libbar-a.rlib - $(RUSTC) foo.rs --extern bar=$(TMPDIR)/libbar.rlib - # Try to be sneaky and load a private crate from with a non-private name. - $(RUSTC) rustc.rs -Zforce-unstable-if-unmarked --crate-type=rlib - $(RUSTC) gated_unstable.rs --extern alloc=$(TMPDIR)/librustc.rlib 2>&1 | $(CGREP) 'rustc_private' diff --git a/tests/run-make/extern-flag-fun/rmake.rs b/tests/run-make/extern-flag-fun/rmake.rs new file mode 100644 index 000000000000..10fec6e30b42 --- /dev/null +++ b/tests/run-make/extern-flag-fun/rmake.rs @@ -0,0 +1,36 @@ +// The --extern flag can override the default crate search of +// the compiler and directly fetch a given path. There are a few rules +// to follow: for example, there can't be more than one rlib, the crates must +// be valid ("no-exist" in this test), and private crates can't be loaded +// as non-private. This test checks that these rules are enforced. +// See https://github.com/rust-lang/rust/pull/15319 + +//@ ignore-cross-compile + +use run_make_support::{rust_lib_name, rustc}; + +fn main() { + rustc().input("bar.rs").crate_type("rlib").run(); + rustc().input("bar.rs").crate_type("rlib").extra_filename("-a").run(); + rustc().input("bar-alt.rs").crate_type("rlib").run(); + rustc().input("foo.rs").extern_("bar", "no-exist").run_fail(); + rustc().input("foo.rs").extern_("bar", "foo.rs").run_fail(); + rustc() + .input("foo.rs") + .extern_("bar", rust_lib_name("bar")) + .extern_("bar", rust_lib_name("bar-alt")) + .run_fail(); + rustc() + .input("foo.rs") + .extern_("bar", rust_lib_name("bar")) + .extern_("bar", rust_lib_name("bar-a")) + .run(); + rustc().input("foo.rs").extern_("bar", rust_lib_name("bar")).run(); + // Try to be sneaky and load a private crate from with a non-private name. + rustc().input("rustc.rs").arg("-Zforce-unstable-if-unmarked").crate_type("rlib").run(); + rustc() + .input("gated_unstable.rs") + .extern_("alloc", rust_lib_name("rustc")) + .run_fail() + .assert_stderr_contains("rustc_private"); +} From c906d2e428b9d20d1d73ec587bff75a6d25efed7 Mon Sep 17 00:00:00 2001 From: Trevor Gross Date: Thu, 13 Jun 2024 08:11:16 -0500 Subject: [PATCH 1548/1716] Enable const evaluation for `f16` and `f128` This excludes casting, which needs more tests. --- .../rustc_const_eval/src/interpret/operator.rs | 10 ++++++++-- compiler/rustc_middle/src/mir/interpret/value.rs | 14 ++++++++++++++ 2 files changed, 22 insertions(+), 2 deletions(-) diff --git a/compiler/rustc_const_eval/src/interpret/operator.rs b/compiler/rustc_const_eval/src/interpret/operator.rs index a6eef9f5662c..a6924371632b 100644 --- a/compiler/rustc_const_eval/src/interpret/operator.rs +++ b/compiler/rustc_const_eval/src/interpret/operator.rs @@ -362,14 +362,18 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { let left = left.to_scalar(); let right = right.to_scalar(); Ok(match fty { - FloatTy::F16 => unimplemented!("f16_f128"), + FloatTy::F16 => { + self.binary_float_op(bin_op, layout, left.to_f16()?, right.to_f16()?) + } FloatTy::F32 => { self.binary_float_op(bin_op, layout, left.to_f32()?, right.to_f32()?) } FloatTy::F64 => { self.binary_float_op(bin_op, layout, left.to_f64()?, right.to_f64()?) } - FloatTy::F128 => unimplemented!("f16_f128"), + FloatTy::F128 => { + self.binary_float_op(bin_op, layout, left.to_f128()?, right.to_f128()?) + } }) } _ if left.layout.ty.is_integral() => { @@ -431,8 +435,10 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { let val = val.to_scalar(); // No NaN adjustment here, `-` is a bitwise operation! let res = match (un_op, fty) { + (Neg, FloatTy::F16) => Scalar::from_f16(-val.to_f16()?), (Neg, FloatTy::F32) => Scalar::from_f32(-val.to_f32()?), (Neg, FloatTy::F64) => Scalar::from_f64(-val.to_f64()?), + (Neg, FloatTy::F128) => Scalar::from_f128(-val.to_f128()?), _ => span_bug!(self.cur_span(), "Invalid float op {:?}", un_op), }; Ok(ImmTy::from_scalar(res, layout)) diff --git a/compiler/rustc_middle/src/mir/interpret/value.rs b/compiler/rustc_middle/src/mir/interpret/value.rs index 70e5ad0635ba..a84a4c583edd 100644 --- a/compiler/rustc_middle/src/mir/interpret/value.rs +++ b/compiler/rustc_middle/src/mir/interpret/value.rs @@ -69,6 +69,13 @@ impl fmt::LowerHex for Scalar { } } +impl From for Scalar { + #[inline(always)] + fn from(f: Half) -> Self { + Scalar::from_f16(f) + } +} + impl From for Scalar { #[inline(always)] fn from(f: Single) -> Self { @@ -83,6 +90,13 @@ impl From for Scalar { } } +impl From for Scalar { + #[inline(always)] + fn from(f: Quad) -> Self { + Scalar::from_f128(f) + } +} + impl From for Scalar { #[inline(always)] fn from(ptr: ScalarInt) -> Self { From eab5e8e9d95439adb4b63cd631dd24dae90cd9ad Mon Sep 17 00:00:00 2001 From: Trevor Gross Date: Thu, 13 Jun 2024 08:29:38 -0500 Subject: [PATCH 1549/1716] Make the unary operator `FloatTy` check exhaustive Add a spot that was missed in . --- .../rustc_const_eval/src/interpret/operator.rs | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/compiler/rustc_const_eval/src/interpret/operator.rs b/compiler/rustc_const_eval/src/interpret/operator.rs index a6924371632b..2175f051a191 100644 --- a/compiler/rustc_const_eval/src/interpret/operator.rs +++ b/compiler/rustc_const_eval/src/interpret/operator.rs @@ -433,13 +433,16 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { } ty::Float(fty) => { let val = val.to_scalar(); + if un_op != Neg { + span_bug!(self.cur_span(), "Invalid float op {:?}", un_op); + } + // No NaN adjustment here, `-` is a bitwise operation! - let res = match (un_op, fty) { - (Neg, FloatTy::F16) => Scalar::from_f16(-val.to_f16()?), - (Neg, FloatTy::F32) => Scalar::from_f32(-val.to_f32()?), - (Neg, FloatTy::F64) => Scalar::from_f64(-val.to_f64()?), - (Neg, FloatTy::F128) => Scalar::from_f128(-val.to_f128()?), - _ => span_bug!(self.cur_span(), "Invalid float op {:?}", un_op), + let res = match fty { + FloatTy::F16 => Scalar::from_f16(-val.to_f16()?), + FloatTy::F32 => Scalar::from_f32(-val.to_f32()?), + FloatTy::F64 => Scalar::from_f64(-val.to_f64()?), + FloatTy::F128 => Scalar::from_f128(-val.to_f128()?), }; Ok(ImmTy::from_scalar(res, layout)) } From 5cb58ad50327774ab8b4705e4249e20785445840 Mon Sep 17 00:00:00 2001 From: Trevor Gross Date: Thu, 13 Jun 2024 13:04:16 -0500 Subject: [PATCH 1550/1716] Add `f16` and `f128` support to Miri --- src/tools/miri/src/helpers.rs | 8 +- src/tools/miri/tests/pass/float.rs | 149 ++++++++++------------------- 2 files changed, 56 insertions(+), 101 deletions(-) diff --git a/src/tools/miri/src/helpers.rs b/src/tools/miri/src/helpers.rs index 87b53d87ac87..843aff024958 100644 --- a/src/tools/miri/src/helpers.rs +++ b/src/tools/miri/src/helpers.rs @@ -7,7 +7,7 @@ use std::time::Duration; use rand::RngCore; -use rustc_apfloat::ieee::{Double, Single}; +use rustc_apfloat::ieee::{Double, Half, Quad, Single}; use rustc_apfloat::Float; use rustc_hir::{ def::{DefKind, Namespace}, @@ -1201,12 +1201,14 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { }; let (val, status) = match fty { - FloatTy::F16 => unimplemented!("f16_f128"), + FloatTy::F16 => + float_to_int_inner::(this, src.to_scalar().to_f16()?, cast_to, round), FloatTy::F32 => float_to_int_inner::(this, src.to_scalar().to_f32()?, cast_to, round), FloatTy::F64 => float_to_int_inner::(this, src.to_scalar().to_f64()?, cast_to, round), - FloatTy::F128 => unimplemented!("f16_f128"), + FloatTy::F128 => + float_to_int_inner::(this, src.to_scalar().to_f128()?, cast_to, round), }; if status.intersects( diff --git a/src/tools/miri/tests/pass/float.rs b/src/tools/miri/tests/pass/float.rs index 8aea9b3e6f9f..5464627fa144 100644 --- a/src/tools/miri/tests/pass/float.rs +++ b/src/tools/miri/tests/pass/float.rs @@ -1,6 +1,8 @@ #![feature(stmt_expr_attributes)] #![feature(float_gamma)] #![feature(core_intrinsics)] +#![feature(f128)] +#![feature(f16)] #![allow(arithmetic_overflow)] use std::fmt::Debug; @@ -41,103 +43,23 @@ trait FloatToInt: Copy { unsafe fn cast_unchecked(self) -> Int; } -impl FloatToInt for f32 { - fn cast(self) -> i8 { - self as _ - } - unsafe fn cast_unchecked(self) -> i8 { - self.to_int_unchecked() - } -} -impl FloatToInt for f32 { - fn cast(self) -> i32 { - self as _ - } - unsafe fn cast_unchecked(self) -> i32 { - self.to_int_unchecked() - } -} -impl FloatToInt for f32 { - fn cast(self) -> u32 { - self as _ - } - unsafe fn cast_unchecked(self) -> u32 { - self.to_int_unchecked() - } -} -impl FloatToInt for f32 { - fn cast(self) -> i64 { - self as _ - } - unsafe fn cast_unchecked(self) -> i64 { - self.to_int_unchecked() - } -} -impl FloatToInt for f32 { - fn cast(self) -> u64 { - self as _ - } - unsafe fn cast_unchecked(self) -> u64 { - self.to_int_unchecked() - } +macro_rules! float_to_int { + ($fty:ty => $($ity:ty),+ $(,)?) => { + $( + impl FloatToInt<$ity> for $fty { + fn cast(self) -> $ity { + self as _ + } + unsafe fn cast_unchecked(self) -> $ity { + self.to_int_unchecked() + } + } + )* + }; } -impl FloatToInt for f64 { - fn cast(self) -> i8 { - self as _ - } - unsafe fn cast_unchecked(self) -> i8 { - self.to_int_unchecked() - } -} -impl FloatToInt for f64 { - fn cast(self) -> i32 { - self as _ - } - unsafe fn cast_unchecked(self) -> i32 { - self.to_int_unchecked() - } -} -impl FloatToInt for f64 { - fn cast(self) -> u32 { - self as _ - } - unsafe fn cast_unchecked(self) -> u32 { - self.to_int_unchecked() - } -} -impl FloatToInt for f64 { - fn cast(self) -> i64 { - self as _ - } - unsafe fn cast_unchecked(self) -> i64 { - self.to_int_unchecked() - } -} -impl FloatToInt for f64 { - fn cast(self) -> u64 { - self as _ - } - unsafe fn cast_unchecked(self) -> u64 { - self.to_int_unchecked() - } -} -impl FloatToInt for f64 { - fn cast(self) -> i128 { - self as _ - } - unsafe fn cast_unchecked(self) -> i128 { - self.to_int_unchecked() - } -} -impl FloatToInt for f64 { - fn cast(self) -> u128 { - self as _ - } - unsafe fn cast_unchecked(self) -> u128 { - self.to_int_unchecked() - } -} +float_to_int!(f32 => i8, u8, i16, u16, i32, u32, i64, u64, i128, u128); +float_to_int!(f64 => i8, u8, i16, u16, i32, u32, i64, u64, i128, u128); /// Test this cast both via `as` and via `approx_unchecked` (i.e., it must not saturate). #[track_caller] @@ -153,18 +75,29 @@ where fn basic() { // basic arithmetic + assert_eq(6.0_f16 * 6.0_f16, 36.0_f16); assert_eq(6.0_f32 * 6.0_f32, 36.0_f32); assert_eq(6.0_f64 * 6.0_f64, 36.0_f64); + assert_eq(6.0_f128 * 6.0_f128, 36.0_f128); + assert_eq(-{ 5.0_f16 }, -5.0_f16); assert_eq(-{ 5.0_f32 }, -5.0_f32); assert_eq(-{ 5.0_f64 }, -5.0_f64); + assert_eq(-{ 5.0_f128 }, -5.0_f128); + // infinities, NaN + // FIXME(f16_f128): add when constants and `is_infinite` are available assert!((5.0_f32 / 0.0).is_infinite()); assert_ne!({ 5.0_f32 / 0.0 }, { -5.0_f32 / 0.0 }); assert!((5.0_f64 / 0.0).is_infinite()); assert_ne!({ 5.0_f64 / 0.0 }, { 5.0_f64 / -0.0 }); assert_ne!(f32::NAN, f32::NAN); assert_ne!(f64::NAN, f64::NAN); + // negative zero + let posz = 0.0f16; + let negz = -0.0f16; + assert_eq(posz, negz); + assert_ne!(posz.to_bits(), negz.to_bits()); let posz = 0.0f32; let negz = -0.0f32; assert_eq(posz, negz); @@ -173,15 +106,30 @@ fn basic() { let negz = -0.0f64; assert_eq(posz, negz); assert_ne!(posz.to_bits(), negz.to_bits()); + let posz = 0.0f128; + let negz = -0.0f128; + assert_eq(posz, negz); + assert_ne!(posz.to_bits(), negz.to_bits()); + // byte-level transmute - let x: u64 = unsafe { std::mem::transmute(42.0_f64) }; - let y: f64 = unsafe { std::mem::transmute(x) }; - assert_eq(y, 42.0_f64); + let x: u16 = unsafe { std::mem::transmute(42.0_f16) }; + let y: f16 = unsafe { std::mem::transmute(x) }; + assert_eq(y, 42.0_f16); let x: u32 = unsafe { std::mem::transmute(42.0_f32) }; let y: f32 = unsafe { std::mem::transmute(x) }; assert_eq(y, 42.0_f32); + let x: u64 = unsafe { std::mem::transmute(42.0_f64) }; + let y: f64 = unsafe { std::mem::transmute(x) }; + assert_eq(y, 42.0_f64); + let x: u128 = unsafe { std::mem::transmute(42.0_f128) }; + let y: f128 = unsafe { std::mem::transmute(x) }; + assert_eq(y, 42.0_f128); // `%` sign behavior, some of this used to be buggy + assert!((black_box(1.0f16) % 1.0).is_sign_positive()); + assert!((black_box(1.0f16) % -1.0).is_sign_positive()); + assert!((black_box(-1.0f16) % 1.0).is_sign_negative()); + assert!((black_box(-1.0f16) % -1.0).is_sign_negative()); assert!((black_box(1.0f32) % 1.0).is_sign_positive()); assert!((black_box(1.0f32) % -1.0).is_sign_positive()); assert!((black_box(-1.0f32) % 1.0).is_sign_negative()); @@ -190,7 +138,12 @@ fn basic() { assert!((black_box(1.0f64) % -1.0).is_sign_positive()); assert!((black_box(-1.0f64) % 1.0).is_sign_negative()); assert!((black_box(-1.0f64) % -1.0).is_sign_negative()); + assert!((black_box(1.0f128) % 1.0).is_sign_positive()); + assert!((black_box(1.0f128) % -1.0).is_sign_positive()); + assert!((black_box(-1.0f128) % 1.0).is_sign_negative()); + assert!((black_box(-1.0f128) % -1.0).is_sign_negative()); + // FIXME(f16_f128): add when `abs` is available assert_eq!((-1.0f32).abs(), 1.0f32); assert_eq!(34.2f64.abs(), 34.2f64); } From e649042316ec3f832cfe120d04068b6e3e6c1791 Mon Sep 17 00:00:00 2001 From: Trevor Gross Date: Fri, 14 Jun 2024 12:41:07 -0500 Subject: [PATCH 1551/1716] Remove f16 const eval crash test Const eval negation was added. This test is now covered by Miri tests, and merged into an existing UI test. Fixes --- tests/crashes/124583.rs | 5 ----- tests/ui/numbers-arithmetic/f16-f128-lit.rs | 4 ++++ 2 files changed, 4 insertions(+), 5 deletions(-) delete mode 100644 tests/crashes/124583.rs diff --git a/tests/crashes/124583.rs b/tests/crashes/124583.rs deleted file mode 100644 index ffd9d7521add..000000000000 --- a/tests/crashes/124583.rs +++ /dev/null @@ -1,5 +0,0 @@ -//@ known-bug: rust-lang/rust#124583 - -fn main() { - let _ = -(-0.0f16); -} diff --git a/tests/ui/numbers-arithmetic/f16-f128-lit.rs b/tests/ui/numbers-arithmetic/f16-f128-lit.rs index 762436edb166..7fd20d91d824 100644 --- a/tests/ui/numbers-arithmetic/f16-f128-lit.rs +++ b/tests/ui/numbers-arithmetic/f16-f128-lit.rs @@ -1,3 +1,5 @@ +// Make sure negation happens correctly. Also included: +// issue: rust-lang/rust#124583 //@ run-pass #![feature(f16)] @@ -8,9 +10,11 @@ fn main() { assert_eq!((-0.0_f16).to_bits(), 0x8000); assert_eq!(10.0_f16.to_bits(), 0x4900); assert_eq!((-10.0_f16).to_bits(), 0xC900); + assert_eq!((-(-0.0f16)).to_bits(), 0x0000); assert_eq!(0.0_f128.to_bits(), 0x0000_0000_0000_0000_0000_0000_0000_0000); assert_eq!((-0.0_f128).to_bits(), 0x8000_0000_0000_0000_0000_0000_0000_0000); assert_eq!(10.0_f128.to_bits(), 0x4002_4000_0000_0000_0000_0000_0000_0000); assert_eq!((-10.0_f128).to_bits(), 0xC002_4000_0000_0000_0000_0000_0000_0000); + assert_eq!((-(-0.0f128)).to_bits(), 0x0000_0000_0000_0000_0000_0000_0000_0000); } From ab715107042fc547501713e0601268fd1f953ce1 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Fri, 14 Jun 2024 15:10:34 -0400 Subject: [PATCH 1552/1716] rewrite incremental-debugger-visualiser to rmake --- src/tools/run-make-support/src/lib.rs | 22 +++++++ .../tidy/src/allowed_run_make_makefiles.txt | 1 - .../incremental-debugger-visualizer/Makefile | 49 --------------- .../incremental-debugger-visualizer/rmake.rs | 61 +++++++++++++++++++ 4 files changed, 83 insertions(+), 50 deletions(-) delete mode 100644 tests/run-make/incremental-debugger-visualizer/Makefile create mode 100644 tests/run-make/incremental-debugger-visualizer/rmake.rs diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index ba4524c150c4..784bbe572ab3 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -271,6 +271,28 @@ pub fn set_host_rpath(cmd: &mut Command) { }); } +/// Read the contents of a file that cannot simply be read by +/// read_to_string, due to invalid utf8 data, then assert that it contains `expected`. +#[track_caller] +pub fn invalid_utf8_contains_str>(path: P, expected: &str) { + use std::io::Read; + let mut file = std::fs::File::open(path).unwrap(); + let mut buffer = Vec::new(); + file.read_to_end(&mut buffer).unwrap(); + assert!(String::from_utf8_lossy(&buffer).contains(expected)); +} + +/// Read the contents of a file that cannot simply be read by +/// read_to_string, due to invalid utf8 data, then assert that it does not contain `expected`. +#[track_caller] +pub fn invalid_utf8_not_contains_str>(path: P, expected: &str) { + use std::io::Read; + let mut file = std::fs::File::open(path).unwrap(); + let mut buffer = Vec::new(); + file.read_to_end(&mut buffer).unwrap(); + assert!(!String::from_utf8_lossy(&buffer).contains(expected)); +} + /// Copy a directory into another. pub fn copy_dir_all(src: impl AsRef, dst: impl AsRef) { fn copy_dir_all_inner(src: impl AsRef, dst: impl AsRef) -> io::Result<()> { diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index ec184c2c2146..7a08a9ab1a26 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -67,7 +67,6 @@ run-make/inaccessible-temp-dir/Makefile run-make/include_bytes_deps/Makefile run-make/incr-add-rust-src-component/Makefile run-make/incr-foreign-head-span/Makefile -run-make/incremental-debugger-visualizer/Makefile run-make/incremental-session-fail/Makefile run-make/inline-always-many-cgu/Makefile run-make/interdependent-c-libraries/Makefile diff --git a/tests/run-make/incremental-debugger-visualizer/Makefile b/tests/run-make/incremental-debugger-visualizer/Makefile deleted file mode 100644 index 8cfe41597adf..000000000000 --- a/tests/run-make/incremental-debugger-visualizer/Makefile +++ /dev/null @@ -1,49 +0,0 @@ -include ../tools.mk - -# This test makes sure that changes to files referenced via #[debugger_visualizer] -# are picked up when compiling incrementally. - -# We have to copy the source to $(TMPDIR) because Github CI mounts the source -# directory as readonly. We need to apply modifications to some of the source -# file. -SRC_DIR := $(TMPDIR)/src -INCR_CACHE_DIR := $(TMPDIR)/incremental - -all: - rm -rf $(TMPDIR)/* - mkdir $(SRC_DIR) - cp ./foo.rs $(SRC_DIR) - echo "GDB script v1" > $(SRC_DIR)/foo.py - echo "Natvis v1" > $(SRC_DIR)/foo.natvis - $(RUSTC) $(SRC_DIR)/foo.rs \ - --crate-type=rlib \ - --emit metadata \ - -C incremental=$(INCR_CACHE_DIR) \ - -Z incremental-verify-ich - $(CGREP) "GDB script v1" < $(TMPDIR)/libfoo.rmeta - $(CGREP) "Natvis v1" < $(TMPDIR)/libfoo.rmeta - - # Change only the GDB script and check that the change has been picked up - echo "GDB script v2" > $(SRC_DIR)/foo.py - $(RUSTC) $(SRC_DIR)/foo.rs \ - --crate-type=rlib \ - --emit metadata \ - -C incremental=$(INCR_CACHE_DIR) \ - -Z incremental-verify-ich - - $(CGREP) "GDB script v2" < $(TMPDIR)/libfoo.rmeta - $(CGREP) -v "GDB script v1" < $(TMPDIR)/libfoo.rmeta - $(CGREP) "Natvis v1" < $(TMPDIR)/libfoo.rmeta - - # Now change the Natvis version and check that the change has been picked up - echo "Natvis v2" > $(SRC_DIR)/foo.natvis - $(RUSTC) $(SRC_DIR)/foo.rs \ - --crate-type=rlib \ - --emit metadata \ - -C incremental=$(INCR_CACHE_DIR) \ - -Z incremental-verify-ich - - $(CGREP) "GDB script v2" < $(TMPDIR)/libfoo.rmeta - $(CGREP) -v "GDB script v1" < $(TMPDIR)/libfoo.rmeta - $(CGREP) "Natvis v2" < $(TMPDIR)/libfoo.rmeta - $(CGREP) -v "Natvis v1" < $(TMPDIR)/libfoo.rmeta diff --git a/tests/run-make/incremental-debugger-visualizer/rmake.rs b/tests/run-make/incremental-debugger-visualizer/rmake.rs new file mode 100644 index 000000000000..74de4e9909b3 --- /dev/null +++ b/tests/run-make/incremental-debugger-visualizer/rmake.rs @@ -0,0 +1,61 @@ +// This test makes sure that changes to files referenced via //[debugger_visualizer] +// are picked up when compiling incrementally. + +// We have to copy the source to $(TMPDIR) because Github CI mounts the source +// directory as readonly. We need to apply modifications to some of the source +// file. + +use run_make_support::{ + fs_wrapper, invalid_utf8_contains_str, invalid_utf8_not_contains_str, rustc, +}; +use std::io::Read; + +fn main() { + fs_wrapper::create_file("foo.py"); + fs_wrapper::write("foo.py", "GDB script v1"); + fs_wrapper::create_file("foo.natvis"); + fs_wrapper::write("foo.py", "Natvis v1"); + rustc() + .input("foo.rs") + .crate_type("rlib") + .emit("metadata") + .incremental("incremental") + .arg("-Zincremental-verify-ich") + .run(); + + invalid_utf8_contains_str("libfoo.rmeta", "GDB script v1"); + invalid_utf8_contains_str("libfoo.rmeta", "Natvis v1"); + + // Change only the GDB script and check that the change has been picked up + fs_wrapper::remove_file("foo.py"); + fs_wrapper::create_file("foo.py"); + fs_wrapper::write("foo.py", "GDB script v2"); + rustc() + .input("foo.rs") + .crate_type("rlib") + .emit("metadata") + .incremental("incremental") + .arg("-Zincremental-verify-ich") + .run(); + + invalid_utf8_contains_str("libfoo.rmeta", "GDB script v2"); + invalid_utf8_not_contains_str("libfoo.rmeta", "GDB script v1"); + invalid_utf8_contains_str("libfoo.rmeta", "Natvis v1"); + + // Now change the Natvis version and check that the change has been picked up + fs_wrapper::remove_file("foo.natvis"); + fs_wrapper::create_file("foo.natvis"); + fs_wrapper::write("foo.py", "Natvis v2"); + rustc() + .input("foo.rs") + .crate_type("rlib") + .emit("metadata") + .incremental("incremental") + .arg("-Zincremental-verify-ich") + .run(); + + invalid_utf8_contains_str("libfoo.rmeta", "GDB script v2"); + invalid_utf8_not_contains_str("libfoo.rmeta", "GDB script v1"); + invalid_utf8_not_contains_str("libfoo.rmeta", "Natvis v1"); + invalid_utf8_contains_str("libfoo.rmeta", "Natvis v2"); +} From 78d4802448307369d81c953c290f5043c004a8fe Mon Sep 17 00:00:00 2001 From: Chris Denton Date: Fri, 14 Jun 2024 18:42:02 +0000 Subject: [PATCH 1553/1716] Use `std::path::absolute` in bootstrap --- src/bootstrap/src/core/config/config.rs | 4 +- src/bootstrap/src/utils/helpers.rs | 109 ----------------------- src/bootstrap/src/utils/helpers/tests.rs | 21 ----- 3 files changed, 2 insertions(+), 132 deletions(-) diff --git a/src/bootstrap/src/core/config/config.rs b/src/bootstrap/src/core/config/config.rs index 36b44d0169c9..6024896b065b 100644 --- a/src/bootstrap/src/core/config/config.rs +++ b/src/bootstrap/src/core/config/config.rs @@ -10,7 +10,7 @@ use std::env; use std::fmt::{self, Display}; use std::fs; use std::io::IsTerminal; -use std::path::{Path, PathBuf}; +use std::path::{absolute, Path, PathBuf}; use std::process::Command; use std::str::FromStr; use std::sync::OnceLock; @@ -1437,7 +1437,7 @@ impl Config { // To avoid writing to random places on the file system, `config.out` needs to be an absolute path. if !config.out.is_absolute() { // `canonicalize` requires the path to already exist. Use our vendored copy of `absolute` instead. - config.out = crate::utils::helpers::absolute(&config.out); + config.out = absolute(&config.out).expect("can't make empty path absolute"); } config.initial_rustc = if let Some(rustc) = rustc { diff --git a/src/bootstrap/src/utils/helpers.rs b/src/bootstrap/src/utils/helpers.rs index 278359cb08e3..1df343235358 100644 --- a/src/bootstrap/src/utils/helpers.rs +++ b/src/bootstrap/src/utils/helpers.rs @@ -331,115 +331,6 @@ fn dir_up_to_date(src: &Path, threshold: SystemTime) -> bool { }) } -/// Copied from `std::path::absolute` until it stabilizes. -/// -/// FIXME: this shouldn't exist. -pub(crate) fn absolute(path: &Path) -> PathBuf { - if path.as_os_str().is_empty() { - panic!("can't make empty path absolute"); - } - #[cfg(unix)] - { - t!(absolute_unix(path), format!("could not make path absolute: {}", path.display())) - } - #[cfg(windows)] - { - t!(absolute_windows(path), format!("could not make path absolute: {}", path.display())) - } - #[cfg(not(any(unix, windows)))] - { - println!("WARNING: bootstrap is not supported on non-unix platforms"); - t!(std::fs::canonicalize(t!(std::env::current_dir()))).join(path) - } -} - -#[cfg(unix)] -/// Make a POSIX path absolute without changing its semantics. -fn absolute_unix(path: &Path) -> io::Result { - // This is mostly a wrapper around collecting `Path::components`, with - // exceptions made where this conflicts with the POSIX specification. - // See 4.13 Pathname Resolution, IEEE Std 1003.1-2017 - // https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap04.html#tag_04_13 - - use std::os::unix::prelude::OsStrExt; - let mut components = path.components(); - let path_os = path.as_os_str().as_bytes(); - - let mut normalized = if path.is_absolute() { - // "If a pathname begins with two successive characters, the - // first component following the leading characters may be - // interpreted in an implementation-defined manner, although more than - // two leading characters shall be treated as a single - // character." - if path_os.starts_with(b"//") && !path_os.starts_with(b"///") { - components.next(); - PathBuf::from("//") - } else { - PathBuf::new() - } - } else { - env::current_dir()? - }; - normalized.extend(components); - - // "Interfaces using pathname resolution may specify additional constraints - // when a pathname that does not name an existing directory contains at - // least one non- character and contains one or more trailing - // characters". - // A trailing is also meaningful if "a symbolic link is - // encountered during pathname resolution". - - if path_os.ends_with(b"/") { - normalized.push(""); - } - - Ok(normalized) -} - -#[cfg(windows)] -fn absolute_windows(path: &std::path::Path) -> std::io::Result { - use std::ffi::OsString; - use std::io::Error; - use std::os::windows::ffi::{OsStrExt, OsStringExt}; - use std::ptr::null_mut; - #[link(name = "kernel32")] - extern "system" { - fn GetFullPathNameW( - lpFileName: *const u16, - nBufferLength: u32, - lpBuffer: *mut u16, - lpFilePart: *mut *const u16, - ) -> u32; - } - - unsafe { - // encode the path as UTF-16 - let path: Vec = path.as_os_str().encode_wide().chain([0]).collect(); - let mut buffer = Vec::new(); - // Loop until either success or failure. - loop { - // Try to get the absolute path - let len = GetFullPathNameW( - path.as_ptr(), - buffer.len().try_into().unwrap(), - buffer.as_mut_ptr(), - null_mut(), - ); - match len as usize { - // Failure - 0 => return Err(Error::last_os_error()), - // Buffer is too small, resize. - len if len > buffer.len() => buffer.resize(len, 0), - // Success! - len => { - buffer.truncate(len); - return Ok(OsString::from_wide(&buffer).into()); - } - } - } - } -} - /// Adapted from /// /// When `clang-cl` is used with instrumentation, we need to add clang's runtime library resource diff --git a/src/bootstrap/src/utils/helpers/tests.rs b/src/bootstrap/src/utils/helpers/tests.rs index 9cfaa3eb67b5..2ab3952ae5a1 100644 --- a/src/bootstrap/src/utils/helpers/tests.rs +++ b/src/bootstrap/src/utils/helpers/tests.rs @@ -25,27 +25,6 @@ fn test_make() { } } -#[cfg(unix)] -#[test] -fn test_absolute_unix() { - use crate::utils::helpers::absolute_unix; - - // Test an absolute path - let path = PathBuf::from("/home/user/file.txt"); - assert_eq!(absolute_unix(&path).unwrap(), PathBuf::from("/home/user/file.txt")); - - // Test an absolute path with double leading slashes - let path = PathBuf::from("//root//file.txt"); - assert_eq!(absolute_unix(&path).unwrap(), PathBuf::from("//root/file.txt")); - - // Test a relative path - let path = PathBuf::from("relative/path"); - assert_eq!( - absolute_unix(&path).unwrap(), - std::env::current_dir().unwrap().join("relative/path") - ); -} - #[test] fn test_beta_rev_parsing() { // single digit revision From e9ff47ff406dd6fd029333391bb5ed0be4c9464a Mon Sep 17 00:00:00 2001 From: Oneirical Date: Fri, 14 Jun 2024 15:50:33 -0400 Subject: [PATCH 1554/1716] rewrite error-found-staticlib-instead-crate to rmake --- src/tools/tidy/src/allowed_run_make_makefiles.txt | 1 - .../error-found-staticlib-instead-crate/Makefile | 5 ----- .../error-found-staticlib-instead-crate/rmake.rs | 11 +++++++++++ 3 files changed, 11 insertions(+), 6 deletions(-) delete mode 100644 tests/run-make/error-found-staticlib-instead-crate/Makefile create mode 100644 tests/run-make/error-found-staticlib-instead-crate/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index be9df226d64e..5b2ccbf98d40 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -38,7 +38,6 @@ run-make/emit-shared-files/Makefile run-make/emit-stack-sizes/Makefile run-make/emit-to-stdout/Makefile run-make/env-dep-info/Makefile -run-make/error-found-staticlib-instead-crate/Makefile run-make/error-writing-dependencies/Makefile run-make/export-executable-symbols/Makefile run-make/extern-diff-internal-name/Makefile diff --git a/tests/run-make/error-found-staticlib-instead-crate/Makefile b/tests/run-make/error-found-staticlib-instead-crate/Makefile deleted file mode 100644 index 0eae41d720cc..000000000000 --- a/tests/run-make/error-found-staticlib-instead-crate/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -include ../tools.mk - -all: - $(RUSTC) foo.rs --crate-type staticlib - $(RUSTC) bar.rs 2>&1 | $(CGREP) "found staticlib" diff --git a/tests/run-make/error-found-staticlib-instead-crate/rmake.rs b/tests/run-make/error-found-staticlib-instead-crate/rmake.rs new file mode 100644 index 000000000000..8c707092b7e4 --- /dev/null +++ b/tests/run-make/error-found-staticlib-instead-crate/rmake.rs @@ -0,0 +1,11 @@ +// When rustc is looking for a crate but is given a staticlib instead, +// the error message should be helpful and indicate precisely the cause +// of the compilation failure. +// See https://github.com/rust-lang/rust/pull/21978 + +use run_make_support::rustc; + +fn main() { + rustc().input("foo.rs").crate_type("staticlib").run(); + rustc().input("bar.rs").run_fail().assert_stderr_contains("found staticlib"); +} From 8a8bbc0c17cbd6c0e25e878921b1ad69c95bb20d Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Fri, 14 Jun 2024 15:59:47 -0400 Subject: [PATCH 1555/1716] Make Candidate generic over interner --- .../src/solve/assembly/mod.rs | 99 ++++++++++--------- .../src/solve/eval_ctxt/probe.rs | 2 +- .../src/solve/normalizes_to/mod.rs | 48 ++++----- .../src/solve/trait_goals.rs | 64 ++++++------ 4 files changed, 107 insertions(+), 106 deletions(-) diff --git a/compiler/rustc_trait_selection/src/solve/assembly/mod.rs b/compiler/rustc_trait_selection/src/solve/assembly/mod.rs index b51efd339c4d..7615af201ef6 100644 --- a/compiler/rustc_trait_selection/src/solve/assembly/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/assembly/mod.rs @@ -1,20 +1,20 @@ //! Code shared by trait and projection goals for candidate assembly. +use derivative::Derivative; use rustc_hir::def_id::DefId; use rustc_infer::infer::InferCtxt; use rustc_infer::traits::query::NoSolution; use rustc_middle::bug; use rustc_middle::traits::solve::inspect::ProbeKind; -use rustc_middle::traits::solve::{ - CandidateSource, CanonicalResponse, Certainty, Goal, MaybeCause, QueryResult, -}; +use rustc_middle::traits::solve::{Certainty, Goal, MaybeCause, QueryResult}; use rustc_middle::traits::BuiltinImplSource; use rustc_middle::ty::fast_reject::{SimplifiedType, TreatParams}; use rustc_middle::ty::{self, Ty, TyCtxt}; use rustc_middle::ty::{fast_reject, TypeFoldable}; use rustc_middle::ty::{TypeVisitableExt, Upcast}; use rustc_span::{ErrorGuaranteed, DUMMY_SP}; -use std::fmt::Debug; +use rustc_type_ir::solve::{CandidateSource, CanonicalResponse}; +use rustc_type_ir::Interner; use crate::solve::GoalSource; use crate::solve::{EvalCtxt, SolverMode}; @@ -25,10 +25,11 @@ pub(super) mod structural_traits; /// /// It consists of both the `source`, which describes how that goal would be proven, /// and the `result` when using the given `source`. -#[derive(Debug, Clone)] -pub(super) struct Candidate<'tcx> { - pub(super) source: CandidateSource<'tcx>, - pub(super) result: CanonicalResponse<'tcx>, +#[derive(Derivative)] +#[derivative(Debug(bound = ""), Clone(bound = ""))] +pub(super) struct Candidate { + pub(super) source: CandidateSource, + pub(super) result: CanonicalResponse, } /// Methods used to assemble candidates for either trait or projection goals. @@ -49,22 +50,22 @@ pub(super) trait GoalKind<'tcx>: /// [`EvalCtxt::evaluate_added_goals_and_make_canonical_response`]). fn probe_and_match_goal_against_assumption( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, - source: CandidateSource<'tcx>, + source: CandidateSource>, goal: Goal<'tcx, Self>, assumption: ty::Clause<'tcx>, then: impl FnOnce(&mut EvalCtxt<'_, InferCtxt<'tcx>>) -> QueryResult<'tcx>, - ) -> Result, NoSolution>; + ) -> Result>, NoSolution>; /// Consider a clause, which consists of a "assumption" and some "requirements", /// to satisfy a goal. If the requirements hold, then attempt to satisfy our /// goal by equating it with the assumption. fn probe_and_consider_implied_clause( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, - parent_source: CandidateSource<'tcx>, + parent_source: CandidateSource>, goal: Goal<'tcx, Self>, assumption: ty::Clause<'tcx>, requirements: impl IntoIterator>)>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { Self::probe_and_match_goal_against_assumption(ecx, parent_source, goal, assumption, |ecx| { for (nested_source, goal) in requirements { ecx.add_goal(nested_source, goal); @@ -78,10 +79,10 @@ pub(super) trait GoalKind<'tcx>: /// since they're not implied by the well-formedness of the object type. fn probe_and_consider_object_bound_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, - source: CandidateSource<'tcx>, + source: CandidateSource>, goal: Goal<'tcx, Self>, assumption: ty::Clause<'tcx>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { Self::probe_and_match_goal_against_assumption(ecx, source, goal, assumption, |ecx| { let tcx = ecx.interner(); let ty::Dynamic(bounds, _, _) = *goal.predicate.self_ty().kind() else { @@ -104,7 +105,7 @@ pub(super) trait GoalKind<'tcx>: ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, impl_def_id: DefId, - ) -> Result, NoSolution>; + ) -> Result>, NoSolution>; /// If the predicate contained an error, we want to avoid emitting unnecessary trait /// errors but still want to emit errors for other trait goals. We have some special @@ -115,7 +116,7 @@ pub(super) trait GoalKind<'tcx>: fn consider_error_guaranteed_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, guar: ErrorGuaranteed, - ) -> Result, NoSolution>; + ) -> Result>, NoSolution>; /// A type implements an `auto trait` if its components do as well. /// @@ -124,13 +125,13 @@ pub(super) trait GoalKind<'tcx>: fn consider_auto_trait_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution>; + ) -> Result>, NoSolution>; /// A trait alias holds if the RHS traits and `where` clauses hold. fn consider_trait_alias_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution>; + ) -> Result>, NoSolution>; /// A type is `Sized` if its tail component is `Sized`. /// @@ -139,7 +140,7 @@ pub(super) trait GoalKind<'tcx>: fn consider_builtin_sized_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution>; + ) -> Result>, NoSolution>; /// A type is `Copy` or `Clone` if its components are `Copy` or `Clone`. /// @@ -148,20 +149,20 @@ pub(super) trait GoalKind<'tcx>: fn consider_builtin_copy_clone_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution>; + ) -> Result>, NoSolution>; /// A type is `PointerLike` if we can compute its layout, and that layout /// matches the layout of `usize`. fn consider_builtin_pointer_like_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution>; + ) -> Result>, NoSolution>; /// A type is a `FnPtr` if it is of `FnPtr` type. fn consider_builtin_fn_ptr_trait_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution>; + ) -> Result>, NoSolution>; /// A callable type (a closure, fn def, or fn ptr) is known to implement the `Fn` /// family of traits where `A` is given by the signature of the type. @@ -169,7 +170,7 @@ pub(super) trait GoalKind<'tcx>: ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, kind: ty::ClosureKind, - ) -> Result, NoSolution>; + ) -> Result>, NoSolution>; /// An async closure is known to implement the `AsyncFn` family of traits /// where `A` is given by the signature of the type. @@ -177,7 +178,7 @@ pub(super) trait GoalKind<'tcx>: ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, kind: ty::ClosureKind, - ) -> Result, NoSolution>; + ) -> Result>, NoSolution>; /// Compute the built-in logic of the `AsyncFnKindHelper` helper trait, which /// is used internally to delay computation for async closures until after @@ -185,13 +186,13 @@ pub(super) trait GoalKind<'tcx>: fn consider_builtin_async_fn_kind_helper_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution>; + ) -> Result>, NoSolution>; /// `Tuple` is implemented if the `Self` type is a tuple. fn consider_builtin_tuple_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution>; + ) -> Result>, NoSolution>; /// `Pointee` is always implemented. /// @@ -201,7 +202,7 @@ pub(super) trait GoalKind<'tcx>: fn consider_builtin_pointee_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution>; + ) -> Result>, NoSolution>; /// A coroutine (that comes from an `async` desugaring) is known to implement /// `Future`, where `O` is given by the coroutine's return type @@ -209,7 +210,7 @@ pub(super) trait GoalKind<'tcx>: fn consider_builtin_future_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution>; + ) -> Result>, NoSolution>; /// A coroutine (that comes from a `gen` desugaring) is known to implement /// `Iterator`, where `O` is given by the generator's yield type @@ -217,19 +218,19 @@ pub(super) trait GoalKind<'tcx>: fn consider_builtin_iterator_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution>; + ) -> Result>, NoSolution>; /// A coroutine (that comes from a `gen` desugaring) is known to implement /// `FusedIterator` fn consider_builtin_fused_iterator_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution>; + ) -> Result>, NoSolution>; fn consider_builtin_async_iterator_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution>; + ) -> Result>, NoSolution>; /// A coroutine (that doesn't come from an `async` or `gen` desugaring) is known to /// implement `Coroutine`, given the resume, yield, @@ -237,27 +238,27 @@ pub(super) trait GoalKind<'tcx>: fn consider_builtin_coroutine_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution>; + ) -> Result>, NoSolution>; fn consider_builtin_discriminant_kind_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution>; + ) -> Result>, NoSolution>; fn consider_builtin_async_destruct_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution>; + ) -> Result>, NoSolution>; fn consider_builtin_destruct_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution>; + ) -> Result>, NoSolution>; fn consider_builtin_transmute_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution>; + ) -> Result>, NoSolution>; /// Consider (possibly several) candidates to upcast or unsize a type to another /// type, excluding the coercion of a sized type into a `dyn Trait`. @@ -269,14 +270,14 @@ pub(super) trait GoalKind<'tcx>: fn consider_structural_builtin_unsize_candidates( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Vec>; + ) -> Vec>>; } impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { pub(super) fn assemble_and_evaluate_candidates>( &mut self, goal: Goal<'tcx, G>, - ) -> Vec> { + ) -> Vec>> { let Ok(normalized_self_ty) = self.structurally_normalize_ty(goal.param_env, goal.predicate.self_ty()) else { @@ -323,7 +324,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { pub(super) fn forced_ambiguity( &mut self, cause: MaybeCause, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { // This may fail if `try_evaluate_added_goals` overflows because it // fails to reach a fixpoint but ends up getting an error after // running for some additional step. @@ -339,7 +340,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { fn assemble_non_blanket_impl_candidates>( &mut self, goal: Goal<'tcx, G>, - candidates: &mut Vec>, + candidates: &mut Vec>>, ) { let tcx = self.interner(); let self_ty = goal.predicate.self_ty(); @@ -455,7 +456,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { fn assemble_blanket_impl_candidates>( &mut self, goal: Goal<'tcx, G>, - candidates: &mut Vec>, + candidates: &mut Vec>>, ) { let tcx = self.interner(); let trait_impls = tcx.trait_impls_of(goal.predicate.trait_def_id(tcx)); @@ -478,7 +479,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { fn assemble_builtin_impl_candidates>( &mut self, goal: Goal<'tcx, G>, - candidates: &mut Vec>, + candidates: &mut Vec>>, ) { let tcx = self.interner(); let lang_items = tcx.lang_items(); @@ -552,7 +553,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { fn assemble_param_env_candidates>( &mut self, goal: Goal<'tcx, G>, - candidates: &mut Vec>, + candidates: &mut Vec>>, ) { for (i, assumption) in goal.param_env.caller_bounds().iter().enumerate() { candidates.extend(G::probe_and_consider_implied_clause( @@ -569,7 +570,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { fn assemble_alias_bound_candidates>( &mut self, goal: Goal<'tcx, G>, - candidates: &mut Vec>, + candidates: &mut Vec>>, ) { let () = self.probe(|_| ProbeKind::NormalizedSelfTyAssembly).enter(|ecx| { ecx.assemble_alias_bound_candidates_recur(goal.predicate.self_ty(), goal, candidates); @@ -589,7 +590,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { &mut self, self_ty: Ty<'tcx>, goal: Goal<'tcx, G>, - candidates: &mut Vec>, + candidates: &mut Vec>>, ) { let (kind, alias_ty) = match *self_ty.kind() { ty::Bool @@ -673,7 +674,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { fn assemble_object_bound_candidates>( &mut self, goal: Goal<'tcx, G>, - candidates: &mut Vec>, + candidates: &mut Vec>>, ) { let tcx = self.interner(); if !tcx.trait_def(goal.predicate.trait_def_id(tcx)).implement_via_object { @@ -764,7 +765,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { fn assemble_coherence_unknowable_candidates>( &mut self, goal: Goal<'tcx, G>, - candidates: &mut Vec>, + candidates: &mut Vec>>, ) { let tcx = self.interner(); @@ -793,7 +794,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { fn discard_impls_shadowed_by_env>( &mut self, goal: Goal<'tcx, G>, - candidates: &mut Vec>, + candidates: &mut Vec>>, ) { let tcx = self.interner(); let trait_goal: Goal<'tcx, ty::TraitPredicate<'tcx>> = @@ -841,7 +842,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { #[instrument(level = "debug", skip(self), ret)] pub(super) fn merge_candidates( &mut self, - candidates: Vec>, + candidates: Vec>>, ) -> QueryResult<'tcx> { // First try merging all candidates. This is complete and fully sound. let responses = candidates.iter().map(|c| c.result).collect::>(); diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/probe.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/probe.rs index 1748c9be9275..7b912e93dc81 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/probe.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/probe.rs @@ -65,7 +65,7 @@ where pub(in crate::solve) fn enter( self, f: impl FnOnce(&mut EvalCtxt<'_, InferCtxt<'tcx>>) -> QueryResult<'tcx>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { self.cx.enter(|ecx| f(ecx)).map(|result| Candidate { source: self.source, result }) } } diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs b/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs index 50253d815283..a8be1517a44f 100644 --- a/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs @@ -103,7 +103,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { goal: Goal<'tcx, Self>, assumption: ty::Clause<'tcx>, then: impl FnOnce(&mut EvalCtxt<'_, InferCtxt<'tcx>>) -> QueryResult<'tcx>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { if let Some(projection_pred) = assumption.as_projection_clause() { if projection_pred.projection_def_id() == goal.predicate.def_id() { let tcx = ecx.interner(); @@ -140,7 +140,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, NormalizesTo<'tcx>>, impl_def_id: DefId, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { let tcx = ecx.interner(); let goal_trait_ref = goal.predicate.alias.trait_ref(tcx); @@ -267,14 +267,14 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { fn consider_error_guaranteed_candidate( _ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, _guar: ErrorGuaranteed, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { Err(NoSolution) } fn consider_auto_trait_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { ecx.interner().dcx().span_delayed_bug( ecx.interner().def_span(goal.predicate.def_id()), "associated types not allowed on auto traits", @@ -285,35 +285,35 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { fn consider_trait_alias_candidate( _ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { bug!("trait aliases do not have associated types: {:?}", goal); } fn consider_builtin_sized_candidate( _ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { bug!("`Sized` does not have an associated type: {:?}", goal); } fn consider_builtin_copy_clone_candidate( _ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { bug!("`Copy`/`Clone` does not have an associated type: {:?}", goal); } fn consider_builtin_pointer_like_candidate( _ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { bug!("`PointerLike` does not have an associated type: {:?}", goal); } fn consider_builtin_fn_ptr_trait_candidate( _ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { bug!("`FnPtr` does not have an associated type: {:?}", goal); } @@ -321,7 +321,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, goal_kind: ty::ClosureKind, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { let tcx = ecx.interner(); let tupled_inputs_and_output = match structural_traits::extract_tupled_inputs_and_output_from_callable( @@ -364,7 +364,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, goal_kind: ty::ClosureKind, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { let tcx = ecx.interner(); let env_region = match goal_kind { @@ -454,7 +454,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { fn consider_builtin_async_fn_kind_helper_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { let [ closure_fn_kind_ty, goal_kind_ty, @@ -501,14 +501,14 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { fn consider_builtin_tuple_candidate( _ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { bug!("`Tuple` does not have an associated type: {:?}", goal); } fn consider_builtin_pointee_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { let tcx = ecx.interner(); let metadata_def_id = tcx.require_lang_item(LangItem::Metadata, None); assert_eq!(metadata_def_id, goal.predicate.def_id()); @@ -590,7 +590,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { fn consider_builtin_future_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { let self_ty = goal.predicate.self_ty(); let ty::Coroutine(def_id, args) = *self_ty.kind() else { return Err(NoSolution); @@ -626,7 +626,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { fn consider_builtin_iterator_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { let self_ty = goal.predicate.self_ty(); let ty::Coroutine(def_id, args) = *self_ty.kind() else { return Err(NoSolution); @@ -662,14 +662,14 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { fn consider_builtin_fused_iterator_candidate( _ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { bug!("`FusedIterator` does not have an associated type: {:?}", goal); } fn consider_builtin_async_iterator_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { let self_ty = goal.predicate.self_ty(); let ty::Coroutine(def_id, args) = *self_ty.kind() else { return Err(NoSolution); @@ -705,7 +705,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { fn consider_builtin_coroutine_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { let self_ty = goal.predicate.self_ty(); let ty::Coroutine(def_id, args) = *self_ty.kind() else { return Err(NoSolution); @@ -753,14 +753,14 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { fn consider_structural_builtin_unsize_candidates( _ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Vec> { + ) -> Vec>> { bug!("`Unsize` does not have an associated type: {:?}", goal); } fn consider_builtin_discriminant_kind_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { let self_ty = goal.predicate.self_ty(); let discriminant_ty = match *self_ty.kind() { ty::Bool @@ -812,7 +812,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { fn consider_builtin_async_destruct_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { let self_ty = goal.predicate.self_ty(); let async_destructor_ty = match *self_ty.kind() { ty::Bool @@ -865,14 +865,14 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { fn consider_builtin_destruct_candidate( _ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { bug!("`Destruct` does not have an associated type: {:?}", goal); } fn consider_builtin_transmute_candidate( _ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { bug!("`BikeshedIntrinsicFrom` does not have an associated type: {:?}", goal) } } diff --git a/compiler/rustc_trait_selection/src/solve/trait_goals.rs b/compiler/rustc_trait_selection/src/solve/trait_goals.rs index a741f488901e..5cff34c09c89 100644 --- a/compiler/rustc_trait_selection/src/solve/trait_goals.rs +++ b/compiler/rustc_trait_selection/src/solve/trait_goals.rs @@ -39,7 +39,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, TraitPredicate<'tcx>>, impl_def_id: DefId, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { let tcx = ecx.interner(); let impl_trait_header = tcx.impl_trait_header(impl_def_id).unwrap(); @@ -94,7 +94,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { fn consider_error_guaranteed_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, _guar: ErrorGuaranteed, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { // FIXME: don't need to enter a probe here. ecx.probe_builtin_trait_candidate(BuiltinImplSource::Misc) .enter(|ecx| ecx.evaluate_added_goals_and_make_canonical_response(Certainty::Yes)) @@ -106,7 +106,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { goal: Goal<'tcx, Self>, assumption: ty::Clause<'tcx>, then: impl FnOnce(&mut EvalCtxt<'_, InferCtxt<'tcx>>) -> QueryResult<'tcx>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { if let Some(trait_clause) = assumption.as_trait_clause() { if trait_clause.def_id() == goal.predicate.def_id() && trait_clause.polarity() == goal.predicate.polarity @@ -131,7 +131,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { fn consider_auto_trait_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } @@ -174,7 +174,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { fn consider_trait_alias_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } @@ -197,7 +197,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { fn consider_builtin_sized_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } @@ -212,7 +212,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { fn consider_builtin_copy_clone_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } @@ -227,7 +227,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { fn consider_builtin_pointer_like_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } @@ -257,7 +257,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { fn consider_builtin_fn_ptr_trait_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { let self_ty = goal.predicate.self_ty(); match goal.predicate.polarity { // impl FnPtr for FnPtr {} @@ -289,7 +289,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, goal_kind: ty::ClosureKind, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } @@ -330,7 +330,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, goal_kind: ty::ClosureKind, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } @@ -380,7 +380,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { fn consider_builtin_async_fn_kind_helper_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { let [closure_fn_kind_ty, goal_kind_ty] = **goal.predicate.trait_ref.args else { bug!(); }; @@ -407,7 +407,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { fn consider_builtin_tuple_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } @@ -423,7 +423,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { fn consider_builtin_pointee_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } @@ -435,7 +435,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { fn consider_builtin_future_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } @@ -461,7 +461,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { fn consider_builtin_iterator_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } @@ -487,7 +487,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { fn consider_builtin_fused_iterator_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } @@ -511,7 +511,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { fn consider_builtin_async_iterator_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } @@ -537,7 +537,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { fn consider_builtin_coroutine_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } @@ -569,7 +569,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { fn consider_builtin_discriminant_kind_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } @@ -582,7 +582,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { fn consider_builtin_async_destruct_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } @@ -595,7 +595,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { fn consider_builtin_destruct_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } @@ -611,7 +611,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { fn consider_builtin_transmute_candidate( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } @@ -652,7 +652,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { fn consider_structural_builtin_unsize_candidates( ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, - ) -> Vec> { + ) -> Vec>> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return vec![]; } @@ -738,7 +738,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { a_region: ty::Region<'tcx>, b_data: &'tcx ty::List>, b_region: ty::Region<'tcx>, - ) -> Vec> { + ) -> Vec>> { let tcx = self.interner(); let Goal { predicate: (a_ty, _b_ty), .. } = goal; @@ -784,7 +784,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { goal: Goal<'tcx, (Ty<'tcx>, Ty<'tcx>)>, b_data: &'tcx ty::List>, b_region: ty::Region<'tcx>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { let tcx = self.interner(); let Goal { predicate: (a_ty, _), .. } = goal; @@ -826,7 +826,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { b_data: &'tcx ty::List>, b_region: ty::Region<'tcx>, upcast_principal: Option>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { let param_env = goal.param_env; // We may upcast to auto traits that are either explicitly listed in @@ -929,7 +929,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { goal: Goal<'tcx, (Ty<'tcx>, Ty<'tcx>)>, a_elem_ty: Ty<'tcx>, b_elem_ty: Ty<'tcx>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { self.eq(goal.param_env, a_elem_ty, b_elem_ty)?; self.probe_builtin_trait_candidate(BuiltinImplSource::Misc) .enter(|ecx| ecx.evaluate_added_goals_and_make_canonical_response(Certainty::Yes)) @@ -954,7 +954,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { def: ty::AdtDef<'tcx>, a_args: ty::GenericArgsRef<'tcx>, b_args: ty::GenericArgsRef<'tcx>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { let tcx = self.interner(); let Goal { predicate: (_a_ty, b_ty), .. } = goal; @@ -1015,7 +1015,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { goal: Goal<'tcx, (Ty<'tcx>, Ty<'tcx>)>, a_tys: &'tcx ty::List>, b_tys: &'tcx ty::List>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { let tcx = self.interner(); let Goal { predicate: (_a_ty, b_ty), .. } = goal; @@ -1050,7 +1050,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { fn disqualify_auto_trait_candidate_due_to_possible_impl( &mut self, goal: Goal<'tcx, TraitPredicate<'tcx>>, - ) -> Option, NoSolution>> { + ) -> Option>, NoSolution>> { let self_ty = goal.predicate.self_ty(); match *self_ty.kind() { // Stall int and float vars until they are resolved to a concrete @@ -1155,7 +1155,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { &EvalCtxt<'_, InferCtxt<'tcx>>, Ty<'tcx>, ) -> Result>>, NoSolution>, - ) -> Result, NoSolution> { + ) -> Result>, NoSolution> { self.probe_trait_candidate(source).enter(|ecx| { ecx.add_goals( GoalSource::ImplWhereBound, From e088edd149475f3e11267dd7061db3f3e6962772 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Fri, 14 Jun 2024 16:01:24 -0400 Subject: [PATCH 1556/1716] rewrite output-filename-conflicts-with-directory to rmake --- src/tools/tidy/src/allowed_run_make_makefiles.txt | 1 - .../output-filename-conflicts-with-directory/Makefile | 7 ------- .../output-filename-conflicts-with-directory/rmake.rs | 11 +++++++++++ 3 files changed, 11 insertions(+), 8 deletions(-) delete mode 100644 tests/run-make/output-filename-conflicts-with-directory/Makefile create mode 100644 tests/run-make/output-filename-conflicts-with-directory/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 5b2ccbf98d40..58e17d24948e 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -152,7 +152,6 @@ run-make/no-duplicate-libs/Makefile run-make/obey-crate-type-flag/Makefile run-make/optimization-remarks-dir-pgo/Makefile run-make/optimization-remarks-dir/Makefile -run-make/output-filename-conflicts-with-directory/Makefile run-make/output-filename-overwrites-input/Makefile run-make/output-type-permutations/Makefile run-make/output-with-hyphens/Makefile diff --git a/tests/run-make/output-filename-conflicts-with-directory/Makefile b/tests/run-make/output-filename-conflicts-with-directory/Makefile deleted file mode 100644 index 45221356cd97..000000000000 --- a/tests/run-make/output-filename-conflicts-with-directory/Makefile +++ /dev/null @@ -1,7 +0,0 @@ -include ../tools.mk - -all: - cp foo.rs $(TMPDIR)/foo.rs - mkdir $(TMPDIR)/foo - $(RUSTC) $(TMPDIR)/foo.rs -o $(TMPDIR)/foo 2>&1 \ - | $(CGREP) -e "the generated executable for the input file \".*foo\.rs\" conflicts with the existing directory \".*foo\"" diff --git a/tests/run-make/output-filename-conflicts-with-directory/rmake.rs b/tests/run-make/output-filename-conflicts-with-directory/rmake.rs new file mode 100644 index 000000000000..245bc395f14a --- /dev/null +++ b/tests/run-make/output-filename-conflicts-with-directory/rmake.rs @@ -0,0 +1,11 @@ +// When the compiled executable would conflict with a directory, a +// rustc error should be displayed instead of a verbose and +// potentially-confusing linker error. +// See https://github.com/rust-lang/rust/pull/47203 + +use run_make_support::{fs_wrapper, rustc}; + +fn main() { + fs_wrapper::create_dir("foo"); + rustc().input("foo.rs").output("foo").run_fail().assert_stderr_contains(r#"the generated executable for the input file "foo.rs" conflicts with the existing directory "foo""#); +} From c2e416c471123f7227506512ff191b6e15690674 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Fri, 14 Jun 2024 16:04:45 -0400 Subject: [PATCH 1557/1716] Make proof tree probing generic --- compiler/rustc_infer/src/infer/mod.rs | 4 + .../src/solve/eval_ctxt/probe.rs | 83 ++++++++++--------- compiler/rustc_type_ir/src/infcx.rs | 2 + 3 files changed, 51 insertions(+), 38 deletions(-) diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs index dcf415e720fb..9447ea06fddb 100644 --- a/compiler/rustc_infer/src/infer/mod.rs +++ b/compiler/rustc_infer/src/infer/mod.rs @@ -471,6 +471,10 @@ impl<'tcx> ty::InferCtxtLike for InferCtxt<'tcx> { { self.resolve_vars_if_possible(value) } + + fn probe(&self, probe: impl FnOnce() -> T) -> T { + self.probe(|_| probe()) + } } /// See the `error_reporting` module for more details. diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/probe.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/probe.rs index 7b912e93dc81..ad6fdd2707de 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/probe.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/probe.rs @@ -1,27 +1,29 @@ use crate::solve::assembly::Candidate; use super::EvalCtxt; -use rustc_infer::infer::InferCtxt; -use rustc_infer::traits::BuiltinImplSource; -use rustc_middle::traits::query::NoSolution; -use rustc_middle::traits::solve::{inspect, CandidateSource, QueryResult}; -use rustc_middle::ty::TyCtxt; +use rustc_next_trait_solver::solve::{ + inspect, BuiltinImplSource, CandidateSource, NoSolution, QueryResult, +}; +use rustc_type_ir::{InferCtxtLike, Interner}; use std::marker::PhantomData; -pub(in crate::solve) struct ProbeCtxt<'me, 'a, 'tcx, F, T> { - ecx: &'me mut EvalCtxt<'a, InferCtxt<'tcx>>, +pub(in crate::solve) struct ProbeCtxt<'me, 'a, Infcx, I, F, T> +where + Infcx: InferCtxtLike, + I: Interner, +{ + ecx: &'me mut EvalCtxt<'a, Infcx, I>, probe_kind: F, _result: PhantomData, } -impl<'tcx, F, T> ProbeCtxt<'_, '_, 'tcx, F, T> +impl ProbeCtxt<'_, '_, Infcx, I, F, T> where - F: FnOnce(&T) -> inspect::ProbeKind>, + F: FnOnce(&T) -> inspect::ProbeKind, + Infcx: InferCtxtLike, + I: Interner, { - pub(in crate::solve) fn enter( - self, - f: impl FnOnce(&mut EvalCtxt<'_, InferCtxt<'tcx>>) -> T, - ) -> T { + pub(in crate::solve) fn enter(self, f: impl FnOnce(&mut EvalCtxt<'_, Infcx>) -> T) -> T { let ProbeCtxt { ecx: outer_ecx, probe_kind, _result } = self; let infcx = outer_ecx.infcx; @@ -38,7 +40,7 @@ where tainted: outer_ecx.tainted, inspect: outer_ecx.inspect.take_and_enter_probe(), }; - let r = nested_ecx.infcx.probe(|_| { + let r = nested_ecx.infcx.probe(|| { let r = f(&mut nested_ecx); nested_ecx.inspect.probe_final_state(infcx, max_input_universe); r @@ -52,30 +54,43 @@ where } } -pub(in crate::solve) struct TraitProbeCtxt<'me, 'a, 'tcx, F> { - cx: ProbeCtxt<'me, 'a, 'tcx, F, QueryResult<'tcx>>, - source: CandidateSource<'tcx>, +pub(in crate::solve) struct TraitProbeCtxt<'me, 'a, Infcx, I, F> +where + Infcx: InferCtxtLike, + I: Interner, +{ + cx: ProbeCtxt<'me, 'a, Infcx, I, F, QueryResult>, + source: CandidateSource, } -impl<'tcx, F> TraitProbeCtxt<'_, '_, 'tcx, F> +impl TraitProbeCtxt<'_, '_, Infcx, I, F> where - F: FnOnce(&QueryResult<'tcx>) -> inspect::ProbeKind>, + Infcx: InferCtxtLike, + I: Interner, + F: FnOnce(&QueryResult) -> inspect::ProbeKind, { #[instrument(level = "debug", skip_all, fields(source = ?self.source))] pub(in crate::solve) fn enter( self, - f: impl FnOnce(&mut EvalCtxt<'_, InferCtxt<'tcx>>) -> QueryResult<'tcx>, - ) -> Result>, NoSolution> { + f: impl FnOnce(&mut EvalCtxt<'_, Infcx>) -> QueryResult, + ) -> Result, NoSolution> { self.cx.enter(|ecx| f(ecx)).map(|result| Candidate { source: self.source, result }) } } -impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { +impl<'a, Infcx, I> EvalCtxt<'a, Infcx, I> +where + Infcx: InferCtxtLike, + I: Interner, +{ /// `probe_kind` is only called when proof tree building is enabled so it can be /// as expensive as necessary to output the desired information. - pub(in crate::solve) fn probe(&mut self, probe_kind: F) -> ProbeCtxt<'_, 'a, 'tcx, F, T> + pub(in crate::solve) fn probe( + &mut self, + probe_kind: F, + ) -> ProbeCtxt<'_, 'a, Infcx, I, F, T> where - F: FnOnce(&T) -> inspect::ProbeKind>, + F: FnOnce(&T) -> inspect::ProbeKind, { ProbeCtxt { ecx: self, probe_kind, _result: PhantomData } } @@ -83,28 +98,20 @@ impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { pub(in crate::solve) fn probe_builtin_trait_candidate( &mut self, source: BuiltinImplSource, - ) -> TraitProbeCtxt< - '_, - 'a, - 'tcx, - impl FnOnce(&QueryResult<'tcx>) -> inspect::ProbeKind>, - > { + ) -> TraitProbeCtxt<'_, 'a, Infcx, I, impl FnOnce(&QueryResult) -> inspect::ProbeKind> + { self.probe_trait_candidate(CandidateSource::BuiltinImpl(source)) } pub(in crate::solve) fn probe_trait_candidate( &mut self, - source: CandidateSource<'tcx>, - ) -> TraitProbeCtxt< - '_, - 'a, - 'tcx, - impl FnOnce(&QueryResult<'tcx>) -> inspect::ProbeKind>, - > { + source: CandidateSource, + ) -> TraitProbeCtxt<'_, 'a, Infcx, I, impl FnOnce(&QueryResult) -> inspect::ProbeKind> + { TraitProbeCtxt { cx: ProbeCtxt { ecx: self, - probe_kind: move |result: &QueryResult<'tcx>| inspect::ProbeKind::TraitCandidate { + probe_kind: move |result: &QueryResult| inspect::ProbeKind::TraitCandidate { source, result: *result, }, diff --git a/compiler/rustc_type_ir/src/infcx.rs b/compiler/rustc_type_ir/src/infcx.rs index 92a717a0d9ef..4a5f34e35420 100644 --- a/compiler/rustc_type_ir/src/infcx.rs +++ b/compiler/rustc_type_ir/src/infcx.rs @@ -72,4 +72,6 @@ pub trait InferCtxtLike: Sized { fn resolve_vars_if_possible(&self, value: T) -> T where T: TypeFoldable; + + fn probe(&self, probe: impl FnOnce() -> T) -> T; } From 416888f05b996f74eb696ed46c4eb3359a616f72 Mon Sep 17 00:00:00 2001 From: Kevin Reid Date: Thu, 13 Jun 2024 11:59:22 -0700 Subject: [PATCH 1558/1716] Polish `std::path::absolute` documentation. These changes bring it closer to other standard library documentation and, in particular, `std::fs::canonicalize`, which it will often be compared with. * Add `# Platform-specific behavior` section, with content moved from Examples section. * Create `# Errors` section. * Phrase error description to allow future platforms to have new syntactic errors, rather than only emptiness. * Add missing commas. * Indent example code 4 spaces. --- library/std/src/fs.rs | 2 +- library/std/src/path.rs | 65 ++++++++++++++++++++++++----------------- 2 files changed, 39 insertions(+), 28 deletions(-) diff --git a/library/std/src/fs.rs b/library/std/src/fs.rs index 0dcf554770c5..2132097fde45 100644 --- a/library/std/src/fs.rs +++ b/library/std/src/fs.rs @@ -2302,7 +2302,7 @@ pub fn read_link>(path: P) -> io::Result { /// /// This function currently corresponds to the `realpath` function on Unix /// and the `CreateFile` and `GetFinalPathNameByHandle` functions on Windows. -/// Note that, this [may change in the future][changes]. +/// Note that this [may change in the future][changes]. /// /// On Windows, this converts the path to use [extended length path][path] /// syntax, which allows your program to use longer path names, but means you diff --git a/library/std/src/path.rs b/library/std/src/path.rs index adbcdcd2e67e..7b8caaa26847 100644 --- a/library/std/src/path.rs +++ b/library/std/src/path.rs @@ -3345,14 +3345,33 @@ impl Error for StripPrefixError { /// Makes the path absolute without accessing the filesystem. /// /// If the path is relative, the current directory is used as the base directory. -/// All intermediate components will be resolved according to platforms-specific -/// rules but unlike [`canonicalize`][crate::fs::canonicalize] this does not +/// All intermediate components will be resolved according to platform-specific +/// rules, but unlike [`canonicalize`][crate::fs::canonicalize], this does not /// resolve symlinks and may succeed even if the path does not exist. /// /// If the `path` is empty or getting the -/// [current directory][crate::env::current_dir] fails then an error will be +/// [current directory][crate::env::current_dir] fails, then an error will be /// returned. /// +/// # Platform-specific behavior +/// +/// On POSIX platforms, the path is resolved using [POSIX semantics][posix-semantics], +/// except that it stops short of resolving symlinks. This means it will keep `..` +/// components and trailing slashes. +/// +/// On Windows, for verbatim paths, this will simply return the path as given. For other +/// paths, this is currently equivalent to calling +/// [`GetFullPathNameW`][windows-path]. +/// +/// Note that these [may change in the future][changes]. +/// +/// # Errors +/// +/// This function may return an error in the following situations: +/// +/// * If `path` is syntactically invalid; in particular, if it is empty. +/// * If getting the [current directory][crate::env::current_dir] fails. +/// /// # Examples /// /// ## POSIX paths @@ -3360,50 +3379,42 @@ impl Error for StripPrefixError { /// ``` /// # #[cfg(unix)] /// fn main() -> std::io::Result<()> { -/// use std::path::{self, Path}; +/// use std::path::{self, Path}; /// -/// // Relative to absolute -/// let absolute = path::absolute("foo/./bar")?; -/// assert!(absolute.ends_with("foo/bar")); +/// // Relative to absolute +/// let absolute = path::absolute("foo/./bar")?; +/// assert!(absolute.ends_with("foo/bar")); /// -/// // Absolute to absolute -/// let absolute = path::absolute("/foo//test/.././bar.rs")?; -/// assert_eq!(absolute, Path::new("/foo/test/../bar.rs")); -/// Ok(()) +/// // Absolute to absolute +/// let absolute = path::absolute("/foo//test/.././bar.rs")?; +/// assert_eq!(absolute, Path::new("/foo/test/../bar.rs")); +/// Ok(()) /// } /// # #[cfg(not(unix))] /// # fn main() {} /// ``` /// -/// The path is resolved using [POSIX semantics][posix-semantics] except that -/// it stops short of resolving symlinks. This means it will keep `..` -/// components and trailing slashes. -/// /// ## Windows paths /// /// ``` /// # #[cfg(windows)] /// fn main() -> std::io::Result<()> { -/// use std::path::{self, Path}; +/// use std::path::{self, Path}; /// -/// // Relative to absolute -/// let absolute = path::absolute("foo/./bar")?; -/// assert!(absolute.ends_with(r"foo\bar")); +/// // Relative to absolute +/// let absolute = path::absolute("foo/./bar")?; +/// assert!(absolute.ends_with(r"foo\bar")); /// -/// // Absolute to absolute -/// let absolute = path::absolute(r"C:\foo//test\..\./bar.rs")?; +/// // Absolute to absolute +/// let absolute = path::absolute(r"C:\foo//test\..\./bar.rs")?; /// -/// assert_eq!(absolute, Path::new(r"C:\foo\bar.rs")); -/// Ok(()) +/// assert_eq!(absolute, Path::new(r"C:\foo\bar.rs")); +/// Ok(()) /// } /// # #[cfg(not(windows))] /// # fn main() {} /// ``` /// -/// For verbatim paths this will simply return the path as given. For other -/// paths this is currently equivalent to calling -/// [`GetFullPathNameW`][windows-path]. -/// /// Note that this [may change in the future][changes]. /// /// [changes]: io#platform-specific-behavior From 8ece5ce31958bd1acadfc2ac7fccc7ce25176b8d Mon Sep 17 00:00:00 2001 From: Oneirical Date: Fri, 14 Jun 2024 16:21:55 -0400 Subject: [PATCH 1559/1716] rewrite output-filename-overwrites-input to rmake --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - .../output-filename-overwrites-input/Makefile | 14 ------------- .../output-filename-overwrites-input/rmake.rs | 21 +++++++++++++++++++ 3 files changed, 21 insertions(+), 15 deletions(-) delete mode 100644 tests/run-make/output-filename-overwrites-input/Makefile create mode 100644 tests/run-make/output-filename-overwrites-input/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 58e17d24948e..fb6ea1f3c7a7 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -152,7 +152,6 @@ run-make/no-duplicate-libs/Makefile run-make/obey-crate-type-flag/Makefile run-make/optimization-remarks-dir-pgo/Makefile run-make/optimization-remarks-dir/Makefile -run-make/output-filename-overwrites-input/Makefile run-make/output-type-permutations/Makefile run-make/output-with-hyphens/Makefile run-make/override-aliased-flags/Makefile diff --git a/tests/run-make/output-filename-overwrites-input/Makefile b/tests/run-make/output-filename-overwrites-input/Makefile deleted file mode 100644 index fe5d231382dc..000000000000 --- a/tests/run-make/output-filename-overwrites-input/Makefile +++ /dev/null @@ -1,14 +0,0 @@ -# ignore-cross-compile -include ../tools.mk - -all: - cp foo.rs $(TMPDIR)/foo - $(RUSTC) $(TMPDIR)/foo -o $(TMPDIR)/foo 2>&1 \ - | $(CGREP) -e "the input file \".*foo\" would be overwritten by the generated executable" - cp bar.rs $(TMPDIR)/bar.rlib - $(RUSTC) $(TMPDIR)/bar.rlib -o $(TMPDIR)/bar.rlib 2>&1 \ - | $(CGREP) -e "the input file \".*bar.rlib\" would be overwritten by the generated executable" - $(RUSTC) foo.rs 2>&1 && $(RUSTC) -Z ls=root $(TMPDIR)/foo 2>&1 - cp foo.rs $(TMPDIR)/foo.rs - $(RUSTC) $(TMPDIR)/foo.rs -o $(TMPDIR)/foo.rs 2>&1 \ - | $(CGREP) -e "the input file \".*foo.rs\" would be overwritten by the generated executable" diff --git a/tests/run-make/output-filename-overwrites-input/rmake.rs b/tests/run-make/output-filename-overwrites-input/rmake.rs new file mode 100644 index 000000000000..c6055e818a17 --- /dev/null +++ b/tests/run-make/output-filename-overwrites-input/rmake.rs @@ -0,0 +1,21 @@ +// If rustc is invoked on a file that would be overwritten by the +// compilation, the compilation should fail, to avoid accidental loss. +// See https://github.com/rust-lang/rust/pull/46814 + +//@ ignore-cross-compile + +use run_make_support::{fs_wrapper, rustc}; + +fn main() { + fs_wrapper::copy("foo.rs", "foo"); + rustc().input("foo").output("foo").run_fail().assert_stderr_contains( + r#"the input file "foo" would be overwritten by the generated executable"#, + ); + fs_wrapper::copy("bar.rs", "bar.rlib"); + rustc().input("bar.rlib").output("bar.rlib").run_fail().assert_stderr_contains( + r#"the input file "bar.rlib" would be overwritten by the generated executable"#, + ); + rustc().input("foo.rs").output("foo.rs").run_fail().assert_stderr_contains( + r#"the input file "foo.rs" would be overwritten by the generated executable"#, + ); +} From 5f2b47fcb6aa06985686dc8dc23e33d96e430a12 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Fri, 14 Jun 2024 16:45:52 -0400 Subject: [PATCH 1560/1716] rewrite native-link-modifier-verbatim-rustc to rmake --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - .../Makefile | 12 ----- .../rmake.rs | 44 +++++++++++++++++++ 3 files changed, 44 insertions(+), 13 deletions(-) delete mode 100644 tests/run-make/native-link-modifier-verbatim-rustc/Makefile create mode 100644 tests/run-make/native-link-modifier-verbatim-rustc/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index fb6ea1f3c7a7..9689f2b355fe 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -143,7 +143,6 @@ run-make/mixing-libs/Makefile run-make/msvc-opt-minsize/Makefile run-make/native-link-modifier-bundle/Makefile run-make/native-link-modifier-verbatim-linker/Makefile -run-make/native-link-modifier-verbatim-rustc/Makefile run-make/native-link-modifier-whole-archive/Makefile run-make/no-alloc-shim/Makefile run-make/no-builtins-attribute/Makefile diff --git a/tests/run-make/native-link-modifier-verbatim-rustc/Makefile b/tests/run-make/native-link-modifier-verbatim-rustc/Makefile deleted file mode 100644 index dfd6ec50fc00..000000000000 --- a/tests/run-make/native-link-modifier-verbatim-rustc/Makefile +++ /dev/null @@ -1,12 +0,0 @@ -include ../tools.mk - -all: - # Verbatim allows specify precise name. - $(RUSTC) upstream_native_dep.rs --crate-type=staticlib -o $(TMPDIR)/upstream_some_strange_name.ext - $(RUSTC) rust_dep.rs -l static:+verbatim=upstream_some_strange_name.ext --crate-type rlib - - # With verbatim any other name cannot be used (upstream). - $(RUSTC) upstream_native_dep.rs --crate-type=staticlib -o $(TMPDIR)/libupstream_native_dep.a - $(RUSTC) upstream_native_dep.rs --crate-type=staticlib -o $(TMPDIR)/upstream_native_dep.a - $(RUSTC) upstream_native_dep.rs --crate-type=staticlib -o $(TMPDIR)/upstream_native_dep.lib - $(RUSTC) rust_dep.rs -l static:+verbatim=upstream_native_dep --crate-type rlib 2>&1 | $(CGREP) "upstream_native_dep" diff --git a/tests/run-make/native-link-modifier-verbatim-rustc/rmake.rs b/tests/run-make/native-link-modifier-verbatim-rustc/rmake.rs new file mode 100644 index 000000000000..58c7fef232c7 --- /dev/null +++ b/tests/run-make/native-link-modifier-verbatim-rustc/rmake.rs @@ -0,0 +1,44 @@ +// `verbatim` is a native link modifier that forces rustc to only accept libraries with +// a specified name. This test checks that this modifier works as intended. +// See https://github.com/rust-lang/rust/issues/99425 + +use run_make_support::rustc; + +fn main() { + // Verbatim allows for the specification of a precise name - in this case, the unconventional ".ext" extension. + rustc() + .input("upstream_native_dep.rs") + .crate_type("staticlib") + .output("upstream_some_strange_name.ext") + .run(); + rustc() + .input("rust_dep.rs") + .crate_type("rlib") + .arg("-lstatic:+verbatim=upstream_some_strange_name.ext") + .run(); + + // This section voluntarily avoids using static_lib_name helpers to be verbatim. + // With verbatim, even these common library names are refused - it wants upstream_native_dep without + // any file extensions. + rustc() + .input("upstream_native_dep.rs") + .crate_type("staticlib") + .output("libupstream_native_dep.a") + .run(); + rustc() + .input("upstream_native_dep.rs") + .crate_type("staticlib") + .output("upstream_native_dep.a") + .run(); + rustc() + .input("upstream_native_dep.rs") + .crate_type("staticlib") + .output("upstream_native_dep.lib") + .run(); + rustc() + .input("rust_dep.rs") + .crate_type("rlib") + .arg("-lstatic:+verbatim=upstream_native_dep") + .run_fail() + .assert_stderr_contains("upstream_native_dep"); +} From d5c48ebc71280cb523b23f9be25ef8a66916e75d Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Fri, 14 Jun 2024 14:18:56 -0400 Subject: [PATCH 1561/1716] Add TyCtxt::is_lang_item --- .../rustc_middle/src/middle/lang_items.rs | 4 ++ compiler/rustc_monomorphize/src/collector.rs | 2 +- .../src/solve/assembly/mod.rs | 38 +++++++++---------- .../src/solve/normalizes_to/mod.rs | 15 ++++---- .../src/solve/trait_goals.rs | 21 +++++----- .../src/traits/select/confirmation.rs | 2 +- 6 files changed, 42 insertions(+), 40 deletions(-) diff --git a/compiler/rustc_middle/src/middle/lang_items.rs b/compiler/rustc_middle/src/middle/lang_items.rs index 4fd1c1f4a1b7..e76d7af6e4ab 100644 --- a/compiler/rustc_middle/src/middle/lang_items.rs +++ b/compiler/rustc_middle/src/middle/lang_items.rs @@ -23,6 +23,10 @@ impl<'tcx> TyCtxt<'tcx> { }) } + pub fn is_lang_item(self, def_id: DefId, lang_item: LangItem) -> bool { + self.lang_items().get(lang_item) == Some(def_id) + } + /// Given a [`DefId`] of one of the [`Fn`], [`FnMut`] or [`FnOnce`] traits, /// returns a corresponding [`ty::ClosureKind`]. /// For any other [`DefId`] return `None`. diff --git a/compiler/rustc_monomorphize/src/collector.rs b/compiler/rustc_monomorphize/src/collector.rs index 61680dbfaf52..43f92f8062de 100644 --- a/compiler/rustc_monomorphize/src/collector.rs +++ b/compiler/rustc_monomorphize/src/collector.rs @@ -945,7 +945,7 @@ fn visit_instance_use<'tcx>( // be lowered in codegen to nothing or a call to panic_nounwind. So if we encounter any // of those intrinsics, we need to include a mono item for panic_nounwind, else we may try to // codegen a call to that function without generating code for the function itself. - let def_id = tcx.lang_items().get(LangItem::PanicNounwind).unwrap(); + let def_id = tcx.require_lang_item(LangItem::PanicNounwind, None); let panic_instance = Instance::mono(tcx, def_id); if should_codegen_locally(tcx, panic_instance) { output.push(create_fn_mono_item(tcx, panic_instance, source)); diff --git a/compiler/rustc_trait_selection/src/solve/assembly/mod.rs b/compiler/rustc_trait_selection/src/solve/assembly/mod.rs index b51efd339c4d..9c18366887be 100644 --- a/compiler/rustc_trait_selection/src/solve/assembly/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/assembly/mod.rs @@ -1,6 +1,7 @@ //! Code shared by trait and projection goals for candidate assembly. use rustc_hir::def_id::DefId; +use rustc_hir::LangItem; use rustc_infer::infer::InferCtxt; use rustc_infer::traits::query::NoSolution; use rustc_middle::bug; @@ -481,7 +482,6 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { candidates: &mut Vec>, ) { let tcx = self.interner(); - let lang_items = tcx.lang_items(); let trait_def_id = goal.predicate.trait_def_id(tcx); // N.B. When assembling built-in candidates for lang items that are also @@ -497,43 +497,43 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { G::consider_auto_trait_candidate(self, goal) } else if tcx.trait_is_alias(trait_def_id) { G::consider_trait_alias_candidate(self, goal) - } else if lang_items.sized_trait() == Some(trait_def_id) { + } else if tcx.is_lang_item(trait_def_id, LangItem::Sized) { G::consider_builtin_sized_candidate(self, goal) - } else if lang_items.copy_trait() == Some(trait_def_id) - || lang_items.clone_trait() == Some(trait_def_id) + } else if tcx.is_lang_item(trait_def_id, LangItem::Copy) + || tcx.is_lang_item(trait_def_id, LangItem::Clone) { G::consider_builtin_copy_clone_candidate(self, goal) - } else if lang_items.pointer_like() == Some(trait_def_id) { + } else if tcx.is_lang_item(trait_def_id, LangItem::PointerLike) { G::consider_builtin_pointer_like_candidate(self, goal) - } else if lang_items.fn_ptr_trait() == Some(trait_def_id) { + } else if tcx.is_lang_item(trait_def_id, LangItem::FnPtrTrait) { G::consider_builtin_fn_ptr_trait_candidate(self, goal) } else if let Some(kind) = self.interner().fn_trait_kind_from_def_id(trait_def_id) { G::consider_builtin_fn_trait_candidates(self, goal, kind) } else if let Some(kind) = self.interner().async_fn_trait_kind_from_def_id(trait_def_id) { G::consider_builtin_async_fn_trait_candidates(self, goal, kind) - } else if lang_items.async_fn_kind_helper() == Some(trait_def_id) { + } else if tcx.is_lang_item(trait_def_id, LangItem::AsyncFnKindHelper) { G::consider_builtin_async_fn_kind_helper_candidate(self, goal) - } else if lang_items.tuple_trait() == Some(trait_def_id) { + } else if tcx.is_lang_item(trait_def_id, LangItem::Tuple) { G::consider_builtin_tuple_candidate(self, goal) - } else if lang_items.pointee_trait() == Some(trait_def_id) { + } else if tcx.is_lang_item(trait_def_id, LangItem::PointeeTrait) { G::consider_builtin_pointee_candidate(self, goal) - } else if lang_items.future_trait() == Some(trait_def_id) { + } else if tcx.is_lang_item(trait_def_id, LangItem::Future) { G::consider_builtin_future_candidate(self, goal) - } else if lang_items.iterator_trait() == Some(trait_def_id) { + } else if tcx.is_lang_item(trait_def_id, LangItem::Iterator) { G::consider_builtin_iterator_candidate(self, goal) - } else if lang_items.fused_iterator_trait() == Some(trait_def_id) { + } else if tcx.is_lang_item(trait_def_id, LangItem::FusedIterator) { G::consider_builtin_fused_iterator_candidate(self, goal) - } else if lang_items.async_iterator_trait() == Some(trait_def_id) { + } else if tcx.is_lang_item(trait_def_id, LangItem::AsyncIterator) { G::consider_builtin_async_iterator_candidate(self, goal) - } else if lang_items.coroutine_trait() == Some(trait_def_id) { + } else if tcx.is_lang_item(trait_def_id, LangItem::Coroutine) { G::consider_builtin_coroutine_candidate(self, goal) - } else if lang_items.discriminant_kind_trait() == Some(trait_def_id) { + } else if tcx.is_lang_item(trait_def_id, LangItem::DiscriminantKind) { G::consider_builtin_discriminant_kind_candidate(self, goal) - } else if lang_items.async_destruct_trait() == Some(trait_def_id) { + } else if tcx.is_lang_item(trait_def_id, LangItem::AsyncDestruct) { G::consider_builtin_async_destruct_candidate(self, goal) - } else if lang_items.destruct_trait() == Some(trait_def_id) { + } else if tcx.is_lang_item(trait_def_id, LangItem::Destruct) { G::consider_builtin_destruct_candidate(self, goal) - } else if lang_items.transmute_trait() == Some(trait_def_id) { + } else if tcx.is_lang_item(trait_def_id, LangItem::TransmuteTrait) { G::consider_builtin_transmute_candidate(self, goal) } else { Err(NoSolution) @@ -543,7 +543,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { // There may be multiple unsize candidates for a trait with several supertraits: // `trait Foo: Bar + Bar` and `dyn Foo: Unsize>` - if lang_items.unsize_trait() == Some(trait_def_id) { + if tcx.is_lang_item(trait_def_id, LangItem::Unsize) { candidates.extend(G::consider_structural_builtin_unsize_candidates(self, goal)); } } diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs b/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs index 50253d815283..a7fac5fc3ba8 100644 --- a/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs @@ -392,9 +392,8 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { output_coroutine_ty, coroutine_return_ty, }| { - let lang_items = tcx.lang_items(); - let (projection_term, term) = if Some(goal.predicate.def_id()) - == lang_items.call_once_future() + let (projection_term, term) = if tcx + .is_lang_item(goal.predicate.def_id(), LangItem::CallOnceFuture) { ( ty::AliasTerm::new( @@ -404,7 +403,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { ), output_coroutine_ty.into(), ) - } else if Some(goal.predicate.def_id()) == lang_items.call_ref_future() { + } else if tcx.is_lang_item(goal.predicate.def_id(), LangItem::CallRefFuture) { ( ty::AliasTerm::new( tcx, @@ -417,7 +416,8 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { ), output_coroutine_ty.into(), ) - } else if Some(goal.predicate.def_id()) == lang_items.async_fn_once_output() { + } else if tcx.is_lang_item(goal.predicate.def_id(), LangItem::AsyncFnOnceOutput) + { ( ty::AliasTerm::new( tcx, @@ -719,10 +719,9 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { let coroutine = args.as_coroutine(); - let lang_items = tcx.lang_items(); - let term = if Some(goal.predicate.def_id()) == lang_items.coroutine_return() { + let term = if tcx.is_lang_item(goal.predicate.def_id(), LangItem::CoroutineReturn) { coroutine.return_ty().into() - } else if Some(goal.predicate.def_id()) == lang_items.coroutine_yield() { + } else if tcx.is_lang_item(goal.predicate.def_id(), LangItem::CoroutineYield) { coroutine.yield_ty().into() } else { bug!( diff --git a/compiler/rustc_trait_selection/src/solve/trait_goals.rs b/compiler/rustc_trait_selection/src/solve/trait_goals.rs index a741f488901e..f631a21a82c2 100644 --- a/compiler/rustc_trait_selection/src/solve/trait_goals.rs +++ b/compiler/rustc_trait_selection/src/solve/trait_goals.rs @@ -802,14 +802,13 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { ); // The type must be `Sized` to be unsized. - if let Some(sized_def_id) = tcx.lang_items().sized_trait() { - ecx.add_goal( - GoalSource::ImplWhereBound, - goal.with(tcx, ty::TraitRef::new(tcx, sized_def_id, [a_ty])), - ); - } else { - return Err(NoSolution); - } + ecx.add_goal( + GoalSource::ImplWhereBound, + goal.with( + tcx, + ty::TraitRef::new(tcx, tcx.require_lang_item(LangItem::Sized, None), [a_ty]), + ), + ); // The type must outlive the lifetime of the `dyn` we're unsizing into. ecx.add_goal(GoalSource::Misc, goal.with(tcx, ty::OutlivesPredicate(a_ty, b_region))); @@ -991,7 +990,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { tcx, ty::TraitRef::new( tcx, - tcx.lang_items().unsize_trait().unwrap(), + tcx.require_lang_item(LangItem::Unsize, None), [a_tail_ty, b_tail_ty], ), ), @@ -1034,7 +1033,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { tcx, ty::TraitRef::new( tcx, - tcx.lang_items().unsize_trait().unwrap(), + tcx.require_lang_item(LangItem::Unsize, None), [a_last_ty, b_last_ty], ), ), @@ -1076,7 +1075,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { // takes precedence over the structural auto trait candidate being // assembled. ty::Coroutine(def_id, _) - if Some(goal.predicate.def_id()) == self.interner().lang_items().unpin_trait() => + if self.interner().is_lang_item(goal.predicate.def_id(), LangItem::Unpin) => { match self.interner().coroutine_movability(def_id) { Movability::Static => Some(Err(NoSolution)), diff --git a/compiler/rustc_trait_selection/src/traits/select/confirmation.rs b/compiler/rustc_trait_selection/src/traits/select/confirmation.rs index 749081006f39..08524f625fe4 100644 --- a/compiler/rustc_trait_selection/src/traits/select/confirmation.rs +++ b/compiler/rustc_trait_selection/src/traits/select/confirmation.rs @@ -338,7 +338,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { let make_freeze_obl = |ty| { let trait_ref = ty::TraitRef::new( tcx, - tcx.lang_items().freeze_trait().unwrap(), + tcx.require_lang_item(LangItem::Freeze, None), [ty::GenericArg::from(ty)], ); Obligation::with_depth( From 93ff86ed7c38b68644964d80155cff5e04bd5f42 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Fri, 14 Jun 2024 14:46:32 -0400 Subject: [PATCH 1562/1716] Use is_lang_item more aggressively --- .../src/diagnostics/conflict_errors.rs | 11 +++-- .../rustc_borrowck/src/diagnostics/mod.rs | 17 ++++---- .../rustc_codegen_cranelift/src/inline_asm.rs | 3 +- .../src/check_consts/check.rs | 6 +-- .../rustc_const_eval/src/check_consts/ops.rs | 2 +- .../src/const_eval/machine.rs | 6 +-- compiler/rustc_hir_analysis/src/bounds.rs | 2 +- .../src/check/intrinsicck.rs | 4 +- .../rustc_hir_analysis/src/coherence/mod.rs | 5 ++- compiler/rustc_hir_typeck/src/callee.rs | 4 +- compiler/rustc_hir_typeck/src/expr.rs | 2 +- .../src/fn_ctxt/suggestions.rs | 4 +- .../rustc_hir_typeck/src/method/suggest.rs | 8 ++-- compiler/rustc_hir_typeck/src/pat.rs | 4 +- .../src/deref_into_dyn_supertrait.rs | 4 +- compiler/rustc_lint/src/non_fmt_panic.rs | 8 ++-- compiler/rustc_lint/src/traits.rs | 4 +- compiler/rustc_lint/src/unused.rs | 4 +- compiler/rustc_metadata/src/rmeta/encoder.rs | 2 +- compiler/rustc_middle/src/ty/adt.rs | 10 ++--- compiler/rustc_middle/src/ty/instance.rs | 9 ++--- compiler/rustc_middle/src/ty/layout.rs | 5 ++- compiler/rustc_middle/src/ty/print/pretty.rs | 6 +-- compiler/rustc_middle/src/util/call_kind.rs | 8 ++-- .../src/build/expr/as_constant.rs | 3 +- .../rustc_mir_build/src/build/matches/test.rs | 2 +- compiler/rustc_mir_build/src/thir/constant.rs | 3 +- .../rustc_mir_dataflow/src/elaborate_drops.rs | 3 +- compiler/rustc_mir_transform/src/add_retag.rs | 3 +- .../src/shim/async_destructor_ctor.rs | 2 +- compiler/rustc_mir_transform/src/sroa.rs | 3 +- compiler/rustc_mir_transform/src/validate.rs | 3 +- compiler/rustc_monomorphize/src/collector.rs | 2 +- .../rustc_monomorphize/src/partitioning.rs | 3 +- .../cfi/typeid/itanium_cxx_abi/transform.rs | 2 +- compiler/rustc_smir/src/rustc_smir/context.rs | 3 +- .../src/traits/error_reporting/suggestions.rs | 14 +++---- .../error_reporting/type_err_ctxt_ext.rs | 26 ++++++------ .../src/traits/project.rs | 35 ++++++++-------- .../src/traits/query/dropck_outlives.rs | 2 +- .../src/traits/select/candidate_assembly.rs | 40 +++++++++---------- .../src/traits/select/confirmation.rs | 12 +++--- .../src/traits/select/mod.rs | 26 ++++++------ compiler/rustc_ty_utils/src/instance.rs | 12 +++--- 44 files changed, 171 insertions(+), 166 deletions(-) diff --git a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs index 8200a58f31ff..9252bec6e4e0 100644 --- a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs @@ -284,7 +284,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { && let CallKind::FnCall { fn_trait_id, self_ty } = kind && let ty::Param(_) = self_ty.kind() && ty == self_ty - && Some(fn_trait_id) == self.infcx.tcx.lang_items().fn_once_trait() + && self.infcx.tcx.is_lang_item(fn_trait_id, LangItem::FnOnce) { // this is a type parameter `T: FnOnce()`, don't suggest `T: FnOnce() + Clone`. true @@ -708,9 +708,9 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { if let ty::ClauseKind::Trait(pred) = pred.kind().skip_binder() && pred.self_ty() == ty { - if Some(pred.def_id()) == tcx.lang_items().fn_trait() { + if tcx.is_lang_item(pred.def_id(), LangItem::Fn) { return Some(hir::Mutability::Not); - } else if Some(pred.def_id()) == tcx.lang_items().fn_mut_trait() { + } else if tcx.is_lang_item(pred.def_id(), LangItem::FnMut) { return Some(hir::Mutability::Mut); } } @@ -1832,7 +1832,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { if let hir::ExprKind::MethodCall(..) = ex.kind && let Some(method_def_id) = self.typeck_results.type_dependent_def_id(ex.hir_id) - && self.tcx.lang_items().clone_trait() == Some(self.tcx.parent(method_def_id)) + && self.tcx.is_lang_item(self.tcx.parent(method_def_id), LangItem::Clone) { self.clones.push(ex); } @@ -3159,8 +3159,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { let is_format_arguments_item = if let Some(expr_ty) = expr_ty && let ty::Adt(adt, _) = expr_ty.kind() { - self.infcx.tcx.lang_items().get(LangItem::FormatArguments) - == Some(adt.did()) + self.infcx.tcx.is_lang_item(adt.did(), LangItem::FormatArguments) } else { false }; diff --git a/compiler/rustc_borrowck/src/diagnostics/mod.rs b/compiler/rustc_borrowck/src/diagnostics/mod.rs index 1eb67ea367c2..abb0b5afbd8b 100644 --- a/compiler/rustc_borrowck/src/diagnostics/mod.rs +++ b/compiler/rustc_borrowck/src/diagnostics/mod.rs @@ -6,9 +6,9 @@ use crate::session_diagnostics::{ }; use rustc_errors::{Applicability, Diag}; use rustc_errors::{DiagCtxt, MultiSpan}; -use rustc_hir as hir; use rustc_hir::def::{CtorKind, Namespace}; use rustc_hir::CoroutineKind; +use rustc_hir::{self as hir, LangItem}; use rustc_index::IndexSlice; use rustc_infer::infer::BoundRegionConversionTime; use rustc_infer::traits::SelectionError; @@ -116,7 +116,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { { if let ty::FnDef(id, _) = *const_.ty().kind() { debug!("add_moved_or_invoked_closure_note: id={:?}", id); - if Some(self.infcx.tcx.parent(id)) == self.infcx.tcx.lang_items().fn_once_trait() { + if self.infcx.tcx.is_lang_item(self.infcx.tcx.parent(id), LangItem::FnOnce) { let closure = match args.first() { Some(Spanned { node: Operand::Copy(place) | Operand::Move(place), .. @@ -767,13 +767,12 @@ impl<'tcx> BorrowedContentSource<'tcx> { ty::FnDef(def_id, args) => { let trait_id = tcx.trait_of_item(def_id)?; - let lang_items = tcx.lang_items(); - if Some(trait_id) == lang_items.deref_trait() - || Some(trait_id) == lang_items.deref_mut_trait() + if tcx.is_lang_item(trait_id, LangItem::Deref) + || tcx.is_lang_item(trait_id, LangItem::DerefMut) { Some(BorrowedContentSource::OverloadedDeref(args.type_at(0))) - } else if Some(trait_id) == lang_items.index_trait() - || Some(trait_id) == lang_items.index_mut_trait() + } else if tcx.is_lang_item(trait_id, LangItem::Index) + || tcx.is_lang_item(trait_id, LangItem::IndexMut) { Some(BorrowedContentSource::OverloadedIndex(args.type_at(0))) } else { @@ -1041,7 +1040,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { .unwrap_or_else(|| "value".to_owned()); match kind { CallKind::FnCall { fn_trait_id, self_ty } - if Some(fn_trait_id) == self.infcx.tcx.lang_items().fn_once_trait() => + if self.infcx.tcx.is_lang_item(fn_trait_id, LangItem::FnOnce) => { err.subdiagnostic( self.dcx(), @@ -1268,7 +1267,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { let ty = moved_place.ty(self.body, tcx).ty; if let ty::Adt(def, args) = ty.peel_refs().kind() - && Some(def.did()) == tcx.lang_items().pin_type() + && tcx.is_lang_item(def.did(), LangItem::Pin) && let ty::Ref(_, _, hir::Mutability::Mut) = args.type_at(0).kind() && let self_ty = self.infcx.instantiate_binder_with_fresh_vars( fn_call_span, diff --git a/compiler/rustc_codegen_cranelift/src/inline_asm.rs b/compiler/rustc_codegen_cranelift/src/inline_asm.rs index 2de804f5e042..c6b26dd873bd 100644 --- a/compiler/rustc_codegen_cranelift/src/inline_asm.rs +++ b/compiler/rustc_codegen_cranelift/src/inline_asm.rs @@ -4,6 +4,7 @@ use std::fmt::Write; use cranelift_codegen::isa::CallConv; use rustc_ast::ast::{InlineAsmOptions, InlineAsmTemplatePiece}; +use rustc_hir::LangItem; use rustc_span::sym; use rustc_target::asm::*; use target_lexicon::BinaryFormat; @@ -927,7 +928,7 @@ fn call_inline_asm<'tcx>( fn asm_clif_type<'tcx>(fx: &FunctionCx<'_, '_, 'tcx>, ty: Ty<'tcx>) -> Option { match ty.kind() { // Adapted from https://github.com/rust-lang/rust/blob/f3c66088610c1b80110297c2d9a8b5f9265b013f/compiler/rustc_hir_analysis/src/check/intrinsicck.rs#L136-L151 - ty::Adt(adt, args) if Some(adt.did()) == fx.tcx.lang_items().maybe_uninit() => { + ty::Adt(adt, args) if fx.tcx.is_lang_item(adt.did(), LangItem::MaybeUninit) => { let fields = &adt.non_enum_variant().fields; let ty = fields[FieldIdx::from_u32(1)].ty(fx.tcx, args); let ty::Adt(ty, args) = ty.kind() else { diff --git a/compiler/rustc_const_eval/src/check_consts/check.rs b/compiler/rustc_const_eval/src/check_consts/check.rs index 9e01c59a96f9..0818d9425e20 100644 --- a/compiler/rustc_const_eval/src/check_consts/check.rs +++ b/compiler/rustc_const_eval/src/check_consts/check.rs @@ -1,8 +1,8 @@ //! The `Visitor` responsible for actually checking a `mir::Body` for invalid operations. use rustc_errors::{Diag, ErrorGuaranteed}; -use rustc_hir as hir; use rustc_hir::def_id::DefId; +use rustc_hir::{self as hir, LangItem}; use rustc_index::bit_set::BitSet; use rustc_infer::infer::TyCtxtInferExt; use rustc_infer::traits::ObligationCause; @@ -801,7 +801,7 @@ impl<'tcx> Visitor<'tcx> for Checker<'_, 'tcx> { // const-eval. // const-eval of the `begin_panic` fn assumes the argument is `&str` - if Some(callee) == tcx.lang_items().begin_panic_fn() { + if tcx.is_lang_item(callee, LangItem::BeginPanic) { match args[0].node.ty(&self.ccx.body.local_decls, tcx).kind() { ty::Ref(_, ty, _) if ty.is_str() => return, _ => self.check_op(ops::PanicNonStr), @@ -819,7 +819,7 @@ impl<'tcx> Visitor<'tcx> for Checker<'_, 'tcx> { } } - if Some(callee) == tcx.lang_items().exchange_malloc_fn() { + if tcx.is_lang_item(callee, LangItem::ExchangeMalloc) { self.check_op(ops::HeapAllocation); return; } diff --git a/compiler/rustc_const_eval/src/check_consts/ops.rs b/compiler/rustc_const_eval/src/check_consts/ops.rs index feab5b929acb..eb9a83fb9cfa 100644 --- a/compiler/rustc_const_eval/src/check_consts/ops.rs +++ b/compiler/rustc_const_eval/src/check_consts/ops.rs @@ -218,7 +218,7 @@ impl<'tcx> NonConstOp<'tcx> for FnCallNonConst<'tcx> { } else { let mut sugg = None; - if Some(trait_id) == ccx.tcx.lang_items().eq_trait() { + if ccx.tcx.is_lang_item(trait_id, LangItem::PartialEq) { match (args[0].unpack(), args[1].unpack()) { (GenericArgKind::Type(self_ty), GenericArgKind::Type(rhs_ty)) if self_ty == rhs_ty diff --git a/compiler/rustc_const_eval/src/const_eval/machine.rs b/compiler/rustc_const_eval/src/const_eval/machine.rs index 4f6df857142c..d3631e0d7232 100644 --- a/compiler/rustc_const_eval/src/const_eval/machine.rs +++ b/compiler/rustc_const_eval/src/const_eval/machine.rs @@ -230,7 +230,7 @@ impl<'tcx> CompileTimeInterpCx<'tcx> { let def_id = instance.def_id(); if self.tcx.has_attr(def_id, sym::rustc_const_panic_str) - || Some(def_id) == self.tcx.lang_items().begin_panic_fn() + || self.tcx.is_lang_item(def_id, LangItem::BeginPanic) { let args = self.copy_fn_args(args); // &str or &&str @@ -245,7 +245,7 @@ impl<'tcx> CompileTimeInterpCx<'tcx> { let span = self.find_closest_untracked_caller_location(); let (file, line, col) = self.location_triple_for_span(span); return Err(ConstEvalErrKind::Panic { msg, file, line, col }.into()); - } else if Some(def_id) == self.tcx.lang_items().panic_fmt() { + } else if self.tcx.is_lang_item(def_id, LangItem::PanicFmt) { // For panic_fmt, call const_panic_fmt instead. let const_def_id = self.tcx.require_lang_item(LangItem::ConstPanicFmt, None); let new_instance = ty::Instance::expect_resolve( @@ -256,7 +256,7 @@ impl<'tcx> CompileTimeInterpCx<'tcx> { ); return Ok(Some(new_instance)); - } else if Some(def_id) == self.tcx.lang_items().align_offset_fn() { + } else if self.tcx.is_lang_item(def_id, LangItem::AlignOffset) { let args = self.copy_fn_args(args); // For align_offset, we replace the function call if the pointer has no address. match self.align_offset(instance, &args, dest, ret)? { diff --git a/compiler/rustc_hir_analysis/src/bounds.rs b/compiler/rustc_hir_analysis/src/bounds.rs index 38ecd7dd0821..7f0d72b3a8d4 100644 --- a/compiler/rustc_hir_analysis/src/bounds.rs +++ b/compiler/rustc_hir_analysis/src/bounds.rs @@ -53,7 +53,7 @@ impl<'tcx> Bounds<'tcx> { span, ); // FIXME(-Znext-solver): We can likely remove this hack once the new trait solver lands. - if tcx.lang_items().sized_trait() == Some(trait_ref.def_id()) { + if tcx.is_lang_item(trait_ref.def_id(), LangItem::Sized) { self.clauses.insert(0, clause); } else { self.clauses.push(clause); diff --git a/compiler/rustc_hir_analysis/src/check/intrinsicck.rs b/compiler/rustc_hir_analysis/src/check/intrinsicck.rs index 2672614a8954..5e62a5ced199 100644 --- a/compiler/rustc_hir_analysis/src/check/intrinsicck.rs +++ b/compiler/rustc_hir_analysis/src/check/intrinsicck.rs @@ -1,6 +1,6 @@ use rustc_ast::InlineAsmTemplatePiece; use rustc_data_structures::fx::FxIndexSet; -use rustc_hir as hir; +use rustc_hir::{self as hir, LangItem}; use rustc_middle::bug; use rustc_middle::ty::{self, Article, FloatTy, IntTy, Ty, TyCtxt, TypeVisitableExt, UintTy}; use rustc_session::lint; @@ -134,7 +134,7 @@ impl<'a, 'tcx> InlineAsmCtxt<'a, 'tcx> { // `!` is allowed for input but not for output (issue #87802) ty::Never if is_input => return None, _ if ty.references_error() => return None, - ty::Adt(adt, args) if Some(adt.did()) == self.tcx.lang_items().maybe_uninit() => { + ty::Adt(adt, args) if self.tcx.is_lang_item(adt.did(), LangItem::MaybeUninit) => { let fields = &adt.non_enum_variant().fields; let ty = fields[FieldIdx::from_u32(1)].ty(self.tcx, args); // FIXME: Are we just trying to map to the `T` in `MaybeUninit`? diff --git a/compiler/rustc_hir_analysis/src/coherence/mod.rs b/compiler/rustc_hir_analysis/src/coherence/mod.rs index eae41d28e897..e9961d3ad086 100644 --- a/compiler/rustc_hir_analysis/src/coherence/mod.rs +++ b/compiler/rustc_hir_analysis/src/coherence/mod.rs @@ -8,6 +8,7 @@ use crate::errors; use rustc_errors::{codes::*, struct_span_code_err}; use rustc_hir::def_id::{DefId, LocalDefId}; +use rustc_hir::LangItem; use rustc_middle::query::Providers; use rustc_middle::ty::{self, TyCtxt, TypeVisitableExt}; use rustc_session::parse::feature_err; @@ -49,7 +50,7 @@ fn enforce_trait_manually_implementable( ) -> Result<(), ErrorGuaranteed> { let impl_header_span = tcx.def_span(impl_def_id); - if tcx.lang_items().freeze_trait() == Some(trait_def_id) { + if tcx.is_lang_item(trait_def_id, LangItem::Freeze) { if !tcx.features().freeze_impls { feature_err( &tcx.sess, @@ -75,7 +76,7 @@ fn enforce_trait_manually_implementable( // Maintain explicit error code for `Unsize`, since it has a useful // explanation about using `CoerceUnsized` instead. - if Some(trait_def_id) == tcx.lang_items().unsize_trait() { + if tcx.is_lang_item(trait_def_id, LangItem::Unsize) { err.code(E0328); } diff --git a/compiler/rustc_hir_typeck/src/callee.rs b/compiler/rustc_hir_typeck/src/callee.rs index 93222c186865..46c855155753 100644 --- a/compiler/rustc_hir_typeck/src/callee.rs +++ b/compiler/rustc_hir_typeck/src/callee.rs @@ -5,9 +5,9 @@ use super::{Expectation, FnCtxt, TupleArgumentsFlag}; use crate::errors; use rustc_ast::util::parser::PREC_POSTFIX; use rustc_errors::{Applicability, Diag, ErrorGuaranteed, StashKey}; -use rustc_hir as hir; use rustc_hir::def::{self, CtorKind, Namespace, Res}; use rustc_hir::def_id::DefId; +use rustc_hir::{self as hir, LangItem}; use rustc_hir_analysis::autoderef::Autoderef; use rustc_infer::traits::ObligationCauseCode; use rustc_infer::{ @@ -41,7 +41,7 @@ pub fn check_legal_trait_for_method_call( trait_id: DefId, body_id: DefId, ) -> Result<(), ErrorGuaranteed> { - if tcx.lang_items().drop_trait() == Some(trait_id) + if tcx.is_lang_item(trait_id, LangItem::Drop) && tcx.lang_items().fallback_surface_drop_fn() != Some(body_id) { let sugg = if let Some(receiver) = receiver.filter(|s| !s.is_empty()) { diff --git a/compiler/rustc_hir_typeck/src/expr.rs b/compiler/rustc_hir_typeck/src/expr.rs index c4e55d564a01..fe497498c4bc 100644 --- a/compiler/rustc_hir_typeck/src/expr.rs +++ b/compiler/rustc_hir_typeck/src/expr.rs @@ -3150,7 +3150,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { error.obligation.predicate.kind().skip_binder(), ) { (ty::PredicateKind::Clause(ty::ClauseKind::Trait(predicate)), _) - if self.tcx.lang_items().index_trait() == Some(predicate.trait_ref.def_id) => + if self.tcx.is_lang_item(predicate.trait_ref.def_id, LangItem::Index) => { seen_preds.insert(error.obligation.predicate.kind().skip_binder()); } diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs index 8a88e5a6ff48..9743dc7c69fb 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs @@ -489,7 +489,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ); return true; } else if let ty::Adt(adt, _) = found_ty_inner.peel_refs().kind() - && Some(adt.did()) == self.tcx.lang_items().string() + && self.tcx.is_lang_item(adt.did(), LangItem::String) && peeled.is_str() // `Result::map`, conversely, does not take ref of the error type. && error_tys.is_none_or(|(found, expected)| { @@ -3147,7 +3147,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { return; } if let ty::Adt(adt, _) = expected_ty.kind() - && self.tcx.lang_items().range_struct() == Some(adt.did()) + && self.tcx.is_lang_item(adt.did(), LangItem::Range) { return; } diff --git a/compiler/rustc_hir_typeck/src/method/suggest.rs b/compiler/rustc_hir_typeck/src/method/suggest.rs index 28d738c11c8f..abbfe452f5f3 100644 --- a/compiler/rustc_hir_typeck/src/method/suggest.rs +++ b/compiler/rustc_hir_typeck/src/method/suggest.rs @@ -1102,7 +1102,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { unsatisfied_predicates.iter().any(|(pred, _, _)| { match pred.kind().skip_binder() { ty::PredicateKind::Clause(ty::ClauseKind::Trait(pred)) => { - Some(pred.def_id()) == self.tcx.lang_items().sized_trait() + self.tcx.is_lang_item(pred.def_id(), LangItem::Sized) && pred.polarity == ty::PredicatePolarity::Positive } _ => false, @@ -1375,10 +1375,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ty.is_str() || matches!( ty.kind(), - ty::Adt(adt, _) if Some(adt.did()) == self.tcx.lang_items().string() + ty::Adt(adt, _) if self.tcx.is_lang_item(adt.did(), LangItem::String) ) } - ty::Adt(adt, _) => Some(adt.did()) == self.tcx.lang_items().string(), + ty::Adt(adt, _) => self.tcx.is_lang_item(adt.did(), LangItem::String), _ => false, }; if is_string_or_ref_str && item_name.name == sym::iter { @@ -2723,7 +2723,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { if tcx.is_diagnostic_item(sym::LocalKey, inner_id) { err.help("use `with` or `try_with` to access thread local storage"); - } else if Some(kind.did()) == tcx.lang_items().maybe_uninit() { + } else if tcx.is_lang_item(kind.did(), LangItem::MaybeUninit) { err.help(format!( "if this `{name}` has been initialized, \ use one of the `assume_init` methods to access the inner value" diff --git a/compiler/rustc_hir_typeck/src/pat.rs b/compiler/rustc_hir_typeck/src/pat.rs index 220556fe2568..aaf3d3ec34d0 100644 --- a/compiler/rustc_hir_typeck/src/pat.rs +++ b/compiler/rustc_hir_typeck/src/pat.rs @@ -7,7 +7,7 @@ use rustc_errors::{ }; use rustc_hir::def::{CtorKind, DefKind, Res}; use rustc_hir::pat_util::EnumerateAndAdjustIterator; -use rustc_hir::{self as hir, BindingMode, ByRef, HirId, Mutability, Pat, PatKind}; +use rustc_hir::{self as hir, BindingMode, ByRef, HirId, LangItem, Mutability, Pat, PatKind}; use rustc_infer::infer; use rustc_middle::mir::interpret::ErrorHandled; use rustc_middle::ty::{self, Ty, TypeVisitableExt}; @@ -491,7 +491,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let tcx = self.tcx; let expected = self.resolve_vars_if_possible(expected); pat_ty = match expected.kind() { - ty::Adt(def, _) if Some(def.did()) == tcx.lang_items().string() => expected, + ty::Adt(def, _) if tcx.is_lang_item(def.did(), LangItem::String) => expected, ty::Str => Ty::new_static_str(tcx), _ => pat_ty, }; diff --git a/compiler/rustc_lint/src/deref_into_dyn_supertrait.rs b/compiler/rustc_lint/src/deref_into_dyn_supertrait.rs index b671dfaa0d1b..911975f61791 100644 --- a/compiler/rustc_lint/src/deref_into_dyn_supertrait.rs +++ b/compiler/rustc_lint/src/deref_into_dyn_supertrait.rs @@ -3,7 +3,7 @@ use crate::{ LateContext, LateLintPass, LintContext, }; -use rustc_hir as hir; +use rustc_hir::{self as hir, LangItem}; use rustc_middle::ty; use rustc_session::lint::FutureIncompatibilityReason; use rustc_session::{declare_lint, declare_lint_pass}; @@ -66,7 +66,7 @@ impl<'tcx> LateLintPass<'tcx> for DerefIntoDynSupertrait { // the trait is a `Deref` implementation && let Some(trait_) = &impl_.of_trait && let Some(did) = trait_.trait_def_id() - && Some(did) == tcx.lang_items().deref_trait() + && tcx.is_lang_item(did, LangItem::Deref) // the self type is `dyn t_principal` && let self_ty = tcx.type_of(item.owner_id).instantiate_identity() && let ty::Dynamic(data, _, ty::Dyn) = self_ty.kind() diff --git a/compiler/rustc_lint/src/non_fmt_panic.rs b/compiler/rustc_lint/src/non_fmt_panic.rs index c9d678541123..2dc2a0efdf04 100644 --- a/compiler/rustc_lint/src/non_fmt_panic.rs +++ b/compiler/rustc_lint/src/non_fmt_panic.rs @@ -2,7 +2,7 @@ use crate::lints::{NonFmtPanicBraces, NonFmtPanicUnused}; use crate::{fluent_generated as fluent, LateContext, LateLintPass, LintContext}; use rustc_ast as ast; use rustc_errors::Applicability; -use rustc_hir as hir; +use rustc_hir::{self as hir, LangItem}; use rustc_infer::infer::TyCtxtInferExt; use rustc_middle::bug; use rustc_middle::lint::in_external_macro; @@ -53,8 +53,8 @@ impl<'tcx> LateLintPass<'tcx> for NonPanicFmt { if let &ty::FnDef(def_id, _) = cx.typeck_results().expr_ty(f).kind() { let f_diagnostic_name = cx.tcx.get_diagnostic_name(def_id); - if Some(def_id) == cx.tcx.lang_items().begin_panic_fn() - || Some(def_id) == cx.tcx.lang_items().panic_fn() + if cx.tcx.is_lang_item(def_id, LangItem::BeginPanic) + || cx.tcx.is_lang_item(def_id, LangItem::Panic) || f_diagnostic_name == Some(sym::panic_str_2015) { if let Some(id) = f.span.ctxt().outer_expn_data().macro_def_id { @@ -153,7 +153,7 @@ fn check_panic<'tcx>(cx: &LateContext<'tcx>, f: &'tcx hir::Expr<'tcx>, arg: &'tc ty::Ref(_, r, _) if r.is_str(), ) || matches!( ty.ty_adt_def(), - Some(ty_def) if Some(ty_def.did()) == cx.tcx.lang_items().string(), + Some(ty_def) if cx.tcx.is_lang_item(ty_def.did(), LangItem::String), ); let infcx = cx.tcx.infer_ctxt().build(); diff --git a/compiler/rustc_lint/src/traits.rs b/compiler/rustc_lint/src/traits.rs index 4d1b1dc4fb78..6983e7abbd64 100644 --- a/compiler/rustc_lint/src/traits.rs +++ b/compiler/rustc_lint/src/traits.rs @@ -2,7 +2,7 @@ use crate::lints::{DropGlue, DropTraitConstraintsDiag}; use crate::LateContext; use crate::LateLintPass; use crate::LintContext; -use rustc_hir as hir; +use rustc_hir::{self as hir, LangItem}; use rustc_session::{declare_lint, declare_lint_pass}; use rustc_span::symbol::sym; @@ -96,7 +96,7 @@ impl<'tcx> LateLintPass<'tcx> for DropTraitConstraints { continue; }; let def_id = trait_predicate.trait_ref.def_id; - if cx.tcx.lang_items().drop_trait() == Some(def_id) { + if cx.tcx.is_lang_item(def_id, LangItem::Drop) { // Explicitly allow `impl Drop`, a drop-guards-as-unnameable-type pattern. if trait_predicate.trait_ref.self_ty().is_impl_trait() { continue; diff --git a/compiler/rustc_lint/src/unused.rs b/compiler/rustc_lint/src/unused.rs index c8da9f179e71..7a1aa4043be0 100644 --- a/compiler/rustc_lint/src/unused.rs +++ b/compiler/rustc_lint/src/unused.rs @@ -10,9 +10,9 @@ use rustc_ast as ast; use rustc_ast::util::{classify, parser}; use rustc_ast::{ExprKind, StmtKind}; use rustc_errors::{pluralize, MultiSpan}; -use rustc_hir as hir; use rustc_hir::def::{DefKind, Res}; use rustc_hir::def_id::DefId; +use rustc_hir::{self as hir, LangItem}; use rustc_infer::traits::util::elaborate; use rustc_middle::ty::adjustment; use rustc_middle::ty::{self, Ty}; @@ -289,7 +289,7 @@ impl<'tcx> LateLintPass<'tcx> for UnusedResults { is_ty_must_use(cx, boxed_ty, expr, span) .map(|inner| MustUsePath::Boxed(Box::new(inner))) } - ty::Adt(def, args) if cx.tcx.lang_items().pin_type() == Some(def.did()) => { + ty::Adt(def, args) if cx.tcx.is_lang_item(def.did(), LangItem::Pin) => { let pinned_ty = args.type_at(0); is_ty_must_use(cx, pinned_ty, expr, span) .map(|inner| MustUsePath::Pinned(Box::new(inner))) diff --git a/compiler/rustc_metadata/src/rmeta/encoder.rs b/compiler/rustc_metadata/src/rmeta/encoder.rs index 89da0df8575e..d7840a2d516f 100644 --- a/compiler/rustc_metadata/src/rmeta/encoder.rs +++ b/compiler/rustc_metadata/src/rmeta/encoder.rs @@ -2020,7 +2020,7 @@ impl<'a, 'tcx> EncodeContext<'a, 'tcx> { // if this is an impl of `CoerceUnsized`, create its // "unsized info", else just store None - if Some(trait_ref.def_id) == tcx.lang_items().coerce_unsized_trait() { + if tcx.is_lang_item(trait_ref.def_id, LangItem::CoerceUnsized) { let coerce_unsized_info = tcx.coerce_unsized_info(def_id).unwrap(); record!(self.tables.coerce_unsized_info[def_id] <- coerce_unsized_info); } diff --git a/compiler/rustc_middle/src/ty/adt.rs b/compiler/rustc_middle/src/ty/adt.rs index a89ebe46c374..684b3233cfd6 100644 --- a/compiler/rustc_middle/src/ty/adt.rs +++ b/compiler/rustc_middle/src/ty/adt.rs @@ -8,9 +8,9 @@ use rustc_data_structures::intern::Interned; use rustc_data_structures::stable_hasher::HashingControls; use rustc_data_structures::stable_hasher::{HashStable, StableHasher}; use rustc_errors::ErrorGuaranteed; -use rustc_hir as hir; use rustc_hir::def::{CtorKind, DefKind, Res}; use rustc_hir::def_id::DefId; +use rustc_hir::{self as hir, LangItem}; use rustc_index::{IndexSlice, IndexVec}; use rustc_macros::{HashStable, TyDecodable, TyEncodable}; use rustc_query_system::ich::StableHashingContext; @@ -274,16 +274,16 @@ impl AdtDefData { if tcx.has_attr(did, sym::fundamental) { flags |= AdtFlags::IS_FUNDAMENTAL; } - if Some(did) == tcx.lang_items().phantom_data() { + if tcx.is_lang_item(did, LangItem::PhantomData) { flags |= AdtFlags::IS_PHANTOM_DATA; } - if Some(did) == tcx.lang_items().owned_box() { + if tcx.is_lang_item(did, LangItem::OwnedBox) { flags |= AdtFlags::IS_BOX; } - if Some(did) == tcx.lang_items().manually_drop() { + if tcx.is_lang_item(did, LangItem::ManuallyDrop) { flags |= AdtFlags::IS_MANUALLY_DROP; } - if Some(did) == tcx.lang_items().unsafe_cell_type() { + if tcx.is_lang_item(did, LangItem::UnsafeCell) { flags |= AdtFlags::IS_UNSAFE_CELL; } if is_anonymous { diff --git a/compiler/rustc_middle/src/ty/instance.rs b/compiler/rustc_middle/src/ty/instance.rs index a887047f62f2..bdf90cbb25bb 100644 --- a/compiler/rustc_middle/src/ty/instance.rs +++ b/compiler/rustc_middle/src/ty/instance.rs @@ -699,26 +699,25 @@ impl<'tcx> Instance<'tcx> { }; let coroutine_kind = tcx.coroutine_kind(coroutine_def_id).unwrap(); - let lang_items = tcx.lang_items(); - let coroutine_callable_item = if Some(trait_id) == lang_items.future_trait() { + let coroutine_callable_item = if tcx.is_lang_item(trait_id, LangItem::Future) { assert_matches!( coroutine_kind, hir::CoroutineKind::Desugared(hir::CoroutineDesugaring::Async, _) ); hir::LangItem::FuturePoll - } else if Some(trait_id) == lang_items.iterator_trait() { + } else if tcx.is_lang_item(trait_id, LangItem::Iterator) { assert_matches!( coroutine_kind, hir::CoroutineKind::Desugared(hir::CoroutineDesugaring::Gen, _) ); hir::LangItem::IteratorNext - } else if Some(trait_id) == lang_items.async_iterator_trait() { + } else if tcx.is_lang_item(trait_id, LangItem::AsyncIterator) { assert_matches!( coroutine_kind, hir::CoroutineKind::Desugared(hir::CoroutineDesugaring::AsyncGen, _) ); hir::LangItem::AsyncIteratorPollNext - } else if Some(trait_id) == lang_items.coroutine_trait() { + } else if tcx.is_lang_item(trait_id, LangItem::Coroutine) { assert_matches!(coroutine_kind, hir::CoroutineKind::Coroutine(_)); hir::LangItem::CoroutineResume } else { diff --git a/compiler/rustc_middle/src/ty/layout.rs b/compiler/rustc_middle/src/ty/layout.rs index 56945bf6be4f..02c0d41f6190 100644 --- a/compiler/rustc_middle/src/ty/layout.rs +++ b/compiler/rustc_middle/src/ty/layout.rs @@ -9,6 +9,7 @@ use rustc_errors::{ }; use rustc_hir as hir; use rustc_hir::def_id::DefId; +use rustc_hir::LangItem; use rustc_index::IndexVec; use rustc_macros::{extension, HashStable, TyDecodable, TyEncodable}; use rustc_session::config::OptLevel; @@ -850,7 +851,7 @@ where // and we rely on this layout information to trigger a panic in // `std::mem::uninitialized::<&dyn Trait>()`, for example. if let ty::Adt(def, args) = metadata.kind() - && Some(def.did()) == tcx.lang_items().dyn_metadata() + && tcx.is_lang_item(def.did(), LangItem::DynMetadata) && let ty::Dynamic(data, _, ty::Dyn) = args.type_at(0).kind() { mk_dyn_vtable(data.principal()) @@ -1169,7 +1170,7 @@ pub fn fn_can_unwind(tcx: TyCtxt<'_>, fn_def_id: Option, abi: SpecAbi) -> // This is not part of `codegen_fn_attrs` as it can differ between crates // and therefore cannot be computed in core. if tcx.sess.opts.unstable_opts.panic_in_drop == PanicStrategy::Abort { - if Some(did) == tcx.lang_items().drop_in_place_fn() { + if tcx.is_lang_item(did, LangItem::DropInPlace) { return false; } } diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs index 662eafd0ccb6..de1796d48002 100644 --- a/compiler/rustc_middle/src/ty/print/pretty.rs +++ b/compiler/rustc_middle/src/ty/print/pretty.rs @@ -999,7 +999,7 @@ pub trait PrettyPrinter<'tcx>: Printer<'tcx> + fmt::Write { let trait_ref = bound_predicate.rebind(pred.trait_ref); // Don't print `+ Sized`, but rather `+ ?Sized` if absent. - if Some(trait_ref.def_id()) == tcx.lang_items().sized_trait() { + if tcx.is_lang_item(trait_ref.def_id(), LangItem::Sized) { match pred.polarity { ty::PredicatePolarity::Positive => { has_sized_bound = true; @@ -1254,14 +1254,14 @@ pub trait PrettyPrinter<'tcx>: Printer<'tcx> + fmt::Write { } entry.has_fn_once = true; return; - } else if Some(trait_def_id) == self.tcx().lang_items().fn_mut_trait() { + } else if self.tcx().is_lang_item(trait_def_id, LangItem::FnMut) { let super_trait_ref = supertraits_for_pretty_printing(self.tcx(), trait_ref) .find(|super_trait_ref| super_trait_ref.def_id() == fn_once_trait) .unwrap(); fn_traits.entry(super_trait_ref).or_default().fn_mut_trait_ref = Some(trait_ref); return; - } else if Some(trait_def_id) == self.tcx().lang_items().fn_trait() { + } else if self.tcx().is_lang_item(trait_def_id, LangItem::Fn) { let super_trait_ref = supertraits_for_pretty_printing(self.tcx(), trait_ref) .find(|super_trait_ref| super_trait_ref.def_id() == fn_once_trait) .unwrap(); diff --git a/compiler/rustc_middle/src/util/call_kind.rs b/compiler/rustc_middle/src/util/call_kind.rs index a4cbfe867112..dc1d73684f4f 100644 --- a/compiler/rustc_middle/src/util/call_kind.rs +++ b/compiler/rustc_middle/src/util/call_kind.rs @@ -117,19 +117,19 @@ pub fn call_kind<'tcx>( kind.unwrap_or_else(|| { // This isn't a 'special' use of `self` debug!(?method_did, ?fn_call_span); - let desugaring = if Some(method_did) == tcx.lang_items().into_iter_fn() + let desugaring = if tcx.is_lang_item(method_did, LangItem::IntoIterIntoIter) && fn_call_span.desugaring_kind() == Some(DesugaringKind::ForLoop) { Some((CallDesugaringKind::ForLoopIntoIter, method_args.type_at(0))) } else if fn_call_span.desugaring_kind() == Some(DesugaringKind::QuestionMark) { - if Some(method_did) == tcx.lang_items().branch_fn() { + if tcx.is_lang_item(method_did, LangItem::TryTraitBranch) { Some((CallDesugaringKind::QuestionBranch, method_args.type_at(0))) - } else if Some(method_did) == tcx.lang_items().from_residual_fn() { + } else if tcx.is_lang_item(method_did, LangItem::TryTraitFromResidual) { Some((CallDesugaringKind::QuestionFromResidual, method_args.type_at(0))) } else { None } - } else if Some(method_did) == tcx.lang_items().from_output_fn() + } else if tcx.is_lang_item(method_did, LangItem::TryTraitFromOutput) && fn_call_span.desugaring_kind() == Some(DesugaringKind::TryBlock) { Some((CallDesugaringKind::TryBlockFromOutput, method_args.type_at(0))) diff --git a/compiler/rustc_mir_build/src/build/expr/as_constant.rs b/compiler/rustc_mir_build/src/build/expr/as_constant.rs index b783eba8c4e1..3b69058d3cb4 100644 --- a/compiler/rustc_mir_build/src/build/expr/as_constant.rs +++ b/compiler/rustc_mir_build/src/build/expr/as_constant.rs @@ -2,6 +2,7 @@ use crate::build::{parse_float_into_constval, Builder}; use rustc_ast as ast; +use rustc_hir::LangItem; use rustc_middle::mir; use rustc_middle::mir::interpret::{Allocation, LitToConstError, LitToConstInput, Scalar}; use rustc_middle::mir::*; @@ -142,7 +143,7 @@ fn lit_to_mir_constant<'tcx>( let id = tcx.allocate_bytes(data); ConstValue::Scalar(Scalar::from_pointer(id.into(), &tcx)) } - (ast::LitKind::CStr(data, _), ty::Ref(_, inner_ty, _)) if matches!(inner_ty.kind(), ty::Adt(def, _) if Some(def.did()) == tcx.lang_items().c_str()) => + (ast::LitKind::CStr(data, _), ty::Ref(_, inner_ty, _)) if matches!(inner_ty.kind(), ty::Adt(def, _) if tcx.is_lang_item(def.did(), LangItem::CStr)) => { let allocation = Allocation::from_bytes_byte_aligned_immutable(data as &[u8]); let allocation = tcx.mk_const_alloc(allocation); diff --git a/compiler/rustc_mir_build/src/build/matches/test.rs b/compiler/rustc_mir_build/src/build/matches/test.rs index 2040071e76eb..11d3e2a8180f 100644 --- a/compiler/rustc_mir_build/src/build/matches/test.rs +++ b/compiler/rustc_mir_build/src/build/matches/test.rs @@ -141,7 +141,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { let success_block = target_block(TestBranch::Success); let fail_block = target_block(TestBranch::Failure); if let ty::Adt(def, _) = ty.kind() - && Some(def.did()) == tcx.lang_items().string() + && tcx.is_lang_item(def.did(), LangItem::String) { if !tcx.features().string_deref_patterns { bug!( diff --git a/compiler/rustc_mir_build/src/thir/constant.rs b/compiler/rustc_mir_build/src/thir/constant.rs index a98e046d4dc0..7b94867114d5 100644 --- a/compiler/rustc_mir_build/src/thir/constant.rs +++ b/compiler/rustc_mir_build/src/thir/constant.rs @@ -1,4 +1,5 @@ use rustc_ast as ast; +use rustc_hir::LangItem; use rustc_middle::bug; use rustc_middle::mir::interpret::{LitToConstError, LitToConstInput}; use rustc_middle::ty::{self, ParamEnv, ScalarInt, TyCtxt}; @@ -46,7 +47,7 @@ pub(crate) fn lit_to_const<'tcx>( (ast::LitKind::Byte(n), ty::Uint(ty::UintTy::U8)) => { ty::ValTree::from_scalar_int((*n).into()) } - (ast::LitKind::CStr(data, _), ty::Ref(_, inner_ty, _)) if matches!(inner_ty.kind(), ty::Adt(def, _) if Some(def.did()) == tcx.lang_items().c_str()) => + (ast::LitKind::CStr(data, _), ty::Ref(_, inner_ty, _)) if matches!(inner_ty.kind(), ty::Adt(def, _) if tcx.is_lang_item(def.did(), LangItem::CStr)) => { let bytes = data as &[u8]; ty::ValTree::from_raw_bytes(tcx, bytes) diff --git a/compiler/rustc_mir_dataflow/src/elaborate_drops.rs b/compiler/rustc_mir_dataflow/src/elaborate_drops.rs index bdc59e843563..654020164db8 100644 --- a/compiler/rustc_mir_dataflow/src/elaborate_drops.rs +++ b/compiler/rustc_mir_dataflow/src/elaborate_drops.rs @@ -454,8 +454,7 @@ where }); } - let skip_contents = - adt.is_union() || Some(adt.did()) == self.tcx().lang_items().manually_drop(); + let skip_contents = adt.is_union() || adt.is_manually_drop(); let contents_drop = if skip_contents { (self.succ, self.unwind) } else { diff --git a/compiler/rustc_mir_transform/src/add_retag.rs b/compiler/rustc_mir_transform/src/add_retag.rs index f880476cec2f..16977a63c598 100644 --- a/compiler/rustc_mir_transform/src/add_retag.rs +++ b/compiler/rustc_mir_transform/src/add_retag.rs @@ -4,6 +4,7 @@ //! of MIR building, and only after this pass we think of the program has having the //! normal MIR semantics. +use rustc_hir::LangItem; use rustc_middle::mir::*; use rustc_middle::ty::{self, Ty, TyCtxt}; @@ -27,7 +28,7 @@ fn may_contain_reference<'tcx>(ty: Ty<'tcx>, depth: u32, tcx: TyCtxt<'tcx>) -> b // References and Boxes (`noalias` sources) ty::Ref(..) => true, ty::Adt(..) if ty.is_box() => true, - ty::Adt(adt, _) if Some(adt.did()) == tcx.lang_items().ptr_unique() => true, + ty::Adt(adt, _) if tcx.is_lang_item(adt.did(), LangItem::PtrUnique) => true, // Compound types: recurse ty::Array(ty, _) | ty::Slice(ty) => { // This does not branch so we keep the depth the same. diff --git a/compiler/rustc_mir_transform/src/shim/async_destructor_ctor.rs b/compiler/rustc_mir_transform/src/shim/async_destructor_ctor.rs index aa9c87d8f80d..41643f202851 100644 --- a/compiler/rustc_mir_transform/src/shim/async_destructor_ctor.rs +++ b/compiler/rustc_mir_transform/src/shim/async_destructor_ctor.rs @@ -561,7 +561,7 @@ impl<'tcx> AsyncDestructorCtorShimBuilder<'tcx> { // If projection of Discriminant then compare with `Ty::discriminant_ty` if let ty::Alias(ty::Projection, ty::AliasTy { args, def_id, .. }) = expected_ty.kind() - && Some(*def_id) == self.tcx.lang_items().discriminant_type() + && self.tcx.is_lang_item(*def_id, LangItem::Discriminant) && args.first().unwrap().as_type().unwrap().discriminant_ty(self.tcx) == operand_ty { return; diff --git a/compiler/rustc_mir_transform/src/sroa.rs b/compiler/rustc_mir_transform/src/sroa.rs index f19c34cae7a7..c2108795372f 100644 --- a/compiler/rustc_mir_transform/src/sroa.rs +++ b/compiler/rustc_mir_transform/src/sroa.rs @@ -1,4 +1,5 @@ use rustc_data_structures::flat_map_in_place::FlatMapInPlace; +use rustc_hir::LangItem; use rustc_index::bit_set::{BitSet, GrowableBitSet}; use rustc_index::IndexVec; use rustc_middle::bug; @@ -70,7 +71,7 @@ fn escaping_locals<'tcx>( // Exclude #[repr(simd)] types so that they are not de-optimized into an array return true; } - if Some(def.did()) == tcx.lang_items().dyn_metadata() { + if tcx.is_lang_item(def.did(), LangItem::DynMetadata) { // codegen wants to see the `DynMetadata`, // not the inner reference-to-opaque-type. return true; diff --git a/compiler/rustc_mir_transform/src/validate.rs b/compiler/rustc_mir_transform/src/validate.rs index 586c12549953..ea23bbc2a38e 100644 --- a/compiler/rustc_mir_transform/src/validate.rs +++ b/compiler/rustc_mir_transform/src/validate.rs @@ -1,6 +1,7 @@ //! Validates the MIR to ensure that invariants are upheld. use rustc_data_structures::fx::{FxHashMap, FxHashSet}; +use rustc_hir::LangItem; use rustc_index::bit_set::BitSet; use rustc_index::IndexVec; use rustc_infer::traits::Reveal; @@ -689,7 +690,7 @@ impl<'a, 'tcx> Visitor<'tcx> for TypeChecker<'a, 'tcx> { } ty::Adt(adt_def, args) => { // see - if Some(adt_def.did()) == self.tcx.lang_items().dyn_metadata() { + if self.tcx.is_lang_item(adt_def.did(), LangItem::DynMetadata) { self.fail( location, format!( diff --git a/compiler/rustc_monomorphize/src/collector.rs b/compiler/rustc_monomorphize/src/collector.rs index 43f92f8062de..eb71eeac5011 100644 --- a/compiler/rustc_monomorphize/src/collector.rs +++ b/compiler/rustc_monomorphize/src/collector.rs @@ -593,7 +593,7 @@ fn check_recursion_limit<'tcx>( let recursion_depth = recursion_depths.get(&def_id).cloned().unwrap_or(0); debug!(" => recursion depth={}", recursion_depth); - let adjusted_recursion_depth = if Some(def_id) == tcx.lang_items().drop_in_place_fn() { + let adjusted_recursion_depth = if tcx.is_lang_item(def_id, LangItem::DropInPlace) { // HACK: drop_in_place creates tight monomorphization loops. Give // it more margin. recursion_depth / 4 diff --git a/compiler/rustc_monomorphize/src/partitioning.rs b/compiler/rustc_monomorphize/src/partitioning.rs index 336341f4e746..14b5b22dc648 100644 --- a/compiler/rustc_monomorphize/src/partitioning.rs +++ b/compiler/rustc_monomorphize/src/partitioning.rs @@ -104,6 +104,7 @@ use rustc_data_structures::unord::{UnordMap, UnordSet}; use rustc_hir::def::DefKind; use rustc_hir::def_id::{DefId, DefIdSet, LOCAL_CRATE}; use rustc_hir::definitions::DefPathDataName; +use rustc_hir::LangItem; use rustc_middle::bug; use rustc_middle::middle::codegen_fn_attrs::CodegenFnAttrFlags; use rustc_middle::middle::exported_symbols::{SymbolExportInfo, SymbolExportLevel}; @@ -813,7 +814,7 @@ fn mono_item_visibility<'tcx>( // from the `main` symbol we'll generate later. // // This may be fixable with a new `InstanceDef` perhaps? Unsure! - if tcx.lang_items().start_fn() == Some(def_id) { + if tcx.is_lang_item(def_id, LangItem::Start) { *can_be_internalized = false; return Visibility::Hidden; } diff --git a/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/transform.rs b/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/transform.rs index 2fbfb93150e7..2cb0c06e3361 100644 --- a/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/transform.rs +++ b/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/transform.rs @@ -289,7 +289,7 @@ pub fn transform_instance<'tcx>( options: TransformTyOptions, ) -> Instance<'tcx> { if (matches!(instance.def, ty::InstanceDef::Virtual(..)) - && Some(instance.def_id()) == tcx.lang_items().drop_in_place_fn()) + && tcx.is_lang_item(instance.def_id(), LangItem::DropInPlace)) || matches!(instance.def, ty::InstanceDef::DropGlue(..)) { // Adjust the type ids of DropGlues diff --git a/compiler/rustc_smir/src/rustc_smir/context.rs b/compiler/rustc_smir/src/rustc_smir/context.rs index a8688c88601c..981231694bb3 100644 --- a/compiler/rustc_smir/src/rustc_smir/context.rs +++ b/compiler/rustc_smir/src/rustc_smir/context.rs @@ -6,6 +6,7 @@ #![allow(rustc::usage_of_qualified_ty)] use rustc_abi::HasDataLayout; +use rustc_hir::LangItem; use rustc_middle::ty::layout::{ FnAbiOf, FnAbiOfHelpers, HasParamEnv, HasTyCtxt, LayoutOf, LayoutOfHelpers, }; @@ -295,7 +296,7 @@ impl<'tcx> Context for TablesWrapper<'tcx> { let mut tables = self.0.borrow_mut(); let tcx = tables.tcx; let def_id = def.0.internal(&mut *tables, tcx); - tables.tcx.lang_items().c_str() == Some(def_id) + tables.tcx.is_lang_item(def_id, LangItem::CStr) } fn fn_sig(&self, def: FnDef, args: &GenericArgs) -> PolyFnSig { diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs index 4604c132835b..f632f1ad4f26 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs @@ -794,7 +794,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { if let ty::PredicateKind::Clause(ty::ClauseKind::Trait(trait_pred)) = obligation.predicate.kind().skip_binder() - && Some(trait_pred.def_id()) == self.tcx.lang_items().sized_trait() + && self.tcx.is_lang_item(trait_pred.def_id(), LangItem::Sized) { // Don't suggest calling to turn an unsized type into a sized type return false; @@ -1106,7 +1106,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { .iter() .find_map(|pred| { if let ty::ClauseKind::Projection(proj) = pred.kind().skip_binder() - && Some(proj.projection_term.def_id) == self.tcx.lang_items().fn_once_output() + && self.tcx.is_lang_item(proj.projection_term.def_id,LangItem::FnOnceOutput) // args tuple will always be args[1] && let ty::Tuple(args) = proj.projection_term.args.type_at(1).kind() { @@ -1123,7 +1123,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { ty::Dynamic(data, _, ty::Dyn) => { data.iter().find_map(|pred| { if let ty::ExistentialPredicate::Projection(proj) = pred.skip_binder() - && Some(proj.def_id) == self.tcx.lang_items().fn_once_output() + && self.tcx.is_lang_item(proj.def_id, LangItem::FnOnceOutput) // for existential projection, args are shifted over by 1 && let ty::Tuple(args) = proj.args.type_at(0).kind() { @@ -1150,7 +1150,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { }; param_env.caller_bounds().iter().find_map(|pred| { if let ty::ClauseKind::Projection(proj) = pred.kind().skip_binder() - && Some(proj.projection_term.def_id) == self.tcx.lang_items().fn_once_output() + && self.tcx.is_lang_item(proj.projection_term.def_id, LangItem::FnOnceOutput) && proj.projection_term.self_ty() == found // args tuple will always be args[1] && let ty::Tuple(args) = proj.projection_term.args.type_at(1).kind() @@ -1822,7 +1822,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { && box_path .res .opt_def_id() - .is_some_and(|def_id| Some(def_id) == self.tcx.lang_items().owned_box()) + .is_some_and(|def_id| self.tcx.is_lang_item(def_id, LangItem::OwnedBox)) { // Don't box `Box::new` vec![] @@ -2737,7 +2737,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { | ObligationCauseCode::ObjectTypeBound(..) => {} ObligationCauseCode::RustCall => { if let Some(pred) = predicate.as_trait_clause() - && Some(pred.def_id()) == tcx.lang_items().sized_trait() + && tcx.is_lang_item(pred.def_id(), LangItem::Sized) { err.note("argument required to be sized due to `extern \"rust-call\"` ABI"); } @@ -2790,7 +2790,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { // Check for foreign traits being reachable. tcx.visible_parent_map(()).get(&def_id).is_some() }; - if Some(def_id) == tcx.lang_items().sized_trait() { + if tcx.is_lang_item(def_id, LangItem::Sized) { // Check if this is an implicit bound, even in foreign crates. if tcx .generics_of(item_def_id) diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs index aef9d482bec7..9cd69f54c12c 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs @@ -24,10 +24,10 @@ use rustc_data_structures::unord::UnordSet; use rustc_errors::codes::*; use rustc_errors::{pluralize, struct_span_code_err, Applicability, MultiSpan, StringPart}; use rustc_errors::{Diag, EmissionGuarantee, ErrorGuaranteed, FatalError, StashKey}; -use rustc_hir as hir; use rustc_hir::def::{DefKind, Namespace, Res}; use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_hir::intravisit::Visitor; +use rustc_hir::{self as hir, LangItem}; use rustc_hir::{GenericParam, Item, Node}; use rustc_infer::infer::error_reporting::TypeErrCtxt; use rustc_infer::infer::{InferOk, TypeTrace}; @@ -118,7 +118,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { // with more relevant type information and hide redundant E0282 errors. errors.sort_by_key(|e| match e.obligation.predicate.kind().skip_binder() { ty::PredicateKind::Clause(ty::ClauseKind::Trait(pred)) - if Some(pred.def_id()) == self.tcx.lang_items().sized_trait() => + if self.tcx.is_lang_item(pred.def_id(), LangItem::Sized) => { 1 } @@ -513,7 +513,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { let have_alt_message = message.is_some() || label.is_some(); let is_try_conversion = self.is_try_conversion(span, main_trait_ref.def_id()); let is_unsize = - Some(leaf_trait_ref.def_id()) == self.tcx.lang_items().unsize_trait(); + self.tcx.is_lang_item(leaf_trait_ref.def_id(), LangItem::Unsize); let (message, notes, append_const_msg) = if is_try_conversion { ( Some(format!( @@ -586,14 +586,14 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { ); } - if Some(leaf_trait_ref.def_id()) == tcx.lang_items().tuple_trait() { + if tcx.is_lang_item(leaf_trait_ref.def_id(), LangItem::Tuple) { self.add_tuple_trait_message( obligation.cause.code().peel_derives(), &mut err, ); } - if Some(leaf_trait_ref.def_id()) == tcx.lang_items().drop_trait() + if tcx.is_lang_item(leaf_trait_ref.def_id(), LangItem::Drop) && predicate_is_const { err.note("`~const Drop` was renamed to `~const Destruct`"); @@ -648,7 +648,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { if let ObligationCauseCode::Coercion { source, target } = *obligation.cause.code().peel_derives() { - if Some(leaf_trait_ref.def_id()) == self.tcx.lang_items().sized_trait() { + if self.tcx.is_lang_item(leaf_trait_ref.def_id(), LangItem::Sized) { self.suggest_borrowing_for_object_cast( &mut err, root_obligation, @@ -716,7 +716,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { self.suggest_remove_await(&obligation, &mut err); self.suggest_derive(&obligation, &mut err, leaf_trait_predicate); - if Some(leaf_trait_ref.def_id()) == tcx.lang_items().try_trait() { + if tcx.is_lang_item(leaf_trait_ref.def_id(), LangItem::Try) { self.suggest_await_before_try( &mut err, &obligation, @@ -1020,7 +1020,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { // doesn't extend the goal kind. This is worth reporting, but we can only do so // if we actually know which closure this goal comes from, so look at the cause // to see if we can extract that information. - if Some(trait_ref.def_id()) == self.tcx.lang_items().async_fn_kind_helper() + if self.tcx.is_lang_item(trait_ref.def_id(), LangItem::AsyncFnKindHelper) && let Some(found_kind) = trait_ref.skip_binder().args.type_at(0).to_opt_closure_kind() && let Some(expected_kind) = trait_ref.skip_binder().args.type_at(1).to_opt_closure_kind() @@ -1744,7 +1744,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { let self_ty = pred.projection_term.self_ty(); with_forced_trimmed_paths! { - if Some(pred.projection_term.def_id) == self.tcx.lang_items().fn_once_output() { + if self.tcx.is_lang_item(pred.projection_term.def_id,LangItem::FnOnceOutput) { let fn_kind = self_ty.prefix_string(self.tcx); let item = match self_ty.kind() { ty::FnDef(def, _) => self.tcx.item_name(*def).to_string(), @@ -1754,7 +1754,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { "expected `{item}` to be a {fn_kind} that returns `{expected_ty}`, but it \ returns `{normalized_ty}`", )) - } else if Some(trait_def_id) == self.tcx.lang_items().future_trait() { + } else if self.tcx.is_lang_item(trait_def_id, LangItem::Future) { Some(format!( "expected `{self_ty}` to be a future that resolves to `{expected_ty}`, but it \ resolves to `{normalized_ty}`" @@ -1783,7 +1783,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { ty::Bool => Some(0), ty::Char => Some(1), ty::Str => Some(2), - ty::Adt(def, _) if Some(def.did()) == tcx.lang_items().string() => Some(2), + ty::Adt(def, _) if tcx.is_lang_item(def.did(), LangItem::String) => Some(2), ty::Int(..) | ty::Uint(..) | ty::Float(..) @@ -2342,7 +2342,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { // avoid inundating the user with unnecessary errors, but we now // check upstream for type errors and don't add the obligations to // begin with in those cases. - if self.tcx.lang_items().sized_trait() == Some(trait_ref.def_id()) { + if self.tcx.is_lang_item(trait_ref.def_id(), LangItem::Sized) { match self.tainted_by_errors() { None => { let err = self.emit_inference_failure_err( @@ -2925,7 +2925,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { let (Some(node), true) = ( self.tcx.hir().get_if_local(item_def_id), - Some(pred.def_id()) == self.tcx.lang_items().sized_trait(), + self.tcx.is_lang_item(pred.def_id(), LangItem::Sized), ) else { return; }; diff --git a/compiler/rustc_trait_selection/src/traits/project.rs b/compiler/rustc_trait_selection/src/traits/project.rs index 32409e13842e..8ab324e6601b 100644 --- a/compiler/rustc_trait_selection/src/traits/project.rs +++ b/compiler/rustc_trait_selection/src/traits/project.rs @@ -1015,6 +1015,7 @@ fn assemble_candidates_from_impls<'cx, 'tcx>( // not eligible. let self_ty = selcx.infcx.shallow_resolve(obligation.predicate.self_ty()); + let tcx = selcx.tcx(); let lang_items = selcx.tcx().lang_items(); if [ lang_items.coroutine_trait(), @@ -1031,7 +1032,7 @@ fn assemble_candidates_from_impls<'cx, 'tcx>( .contains(&Some(trait_ref.def_id)) { true - } else if lang_items.async_fn_kind_helper() == Some(trait_ref.def_id) { + } else if tcx.is_lang_item(trait_ref.def_id, LangItem::AsyncFnKindHelper) { // FIXME(async_closures): Validity constraints here could be cleaned up. if obligation.predicate.args.type_at(0).is_ty_var() || obligation.predicate.args.type_at(4).is_ty_var() @@ -1043,7 +1044,7 @@ fn assemble_candidates_from_impls<'cx, 'tcx>( obligation.predicate.args.type_at(0).to_opt_closure_kind().is_some() && obligation.predicate.args.type_at(1).to_opt_closure_kind().is_some() } - } else if lang_items.discriminant_kind_trait() == Some(trait_ref.def_id) { + } else if tcx.is_lang_item(trait_ref.def_id, LangItem::DiscriminantKind) { match self_ty.kind() { ty::Bool | ty::Char @@ -1080,7 +1081,7 @@ fn assemble_candidates_from_impls<'cx, 'tcx>( | ty::Infer(..) | ty::Error(_) => false, } - } else if lang_items.async_destruct_trait() == Some(trait_ref.def_id) { + } else if tcx.is_lang_item(trait_ref.def_id, LangItem::AsyncDestruct) { match self_ty.kind() { ty::Bool | ty::Char @@ -1116,7 +1117,7 @@ fn assemble_candidates_from_impls<'cx, 'tcx>( | ty::Infer(_) | ty::Error(_) => false, } - } else if lang_items.pointee_trait() == Some(trait_ref.def_id) { + } else if tcx.is_lang_item(trait_ref.def_id, LangItem::PointeeTrait) { let tail = selcx.tcx().struct_tail_with_normalize( self_ty, |ty| { @@ -1300,15 +1301,15 @@ fn confirm_select_candidate<'cx, 'tcx>( match impl_source { ImplSource::UserDefined(data) => confirm_impl_candidate(selcx, obligation, data), ImplSource::Builtin(BuiltinImplSource::Misc, data) => { - let trait_def_id = obligation.predicate.trait_def_id(selcx.tcx()); - let lang_items = selcx.tcx().lang_items(); - if lang_items.coroutine_trait() == Some(trait_def_id) { + let tcx = selcx.tcx(); + let trait_def_id = obligation.predicate.trait_def_id(tcx); + if tcx.is_lang_item(trait_def_id, LangItem::Coroutine) { confirm_coroutine_candidate(selcx, obligation, data) - } else if lang_items.future_trait() == Some(trait_def_id) { + } else if tcx.is_lang_item(trait_def_id, LangItem::Future) { confirm_future_candidate(selcx, obligation, data) - } else if lang_items.iterator_trait() == Some(trait_def_id) { + } else if tcx.is_lang_item(trait_def_id, LangItem::Iterator) { confirm_iterator_candidate(selcx, obligation, data) - } else if lang_items.async_iterator_trait() == Some(trait_def_id) { + } else if tcx.is_lang_item(trait_def_id, LangItem::AsyncIterator) { confirm_async_iterator_candidate(selcx, obligation, data) } else if selcx.tcx().fn_trait_kind_from_def_id(trait_def_id).is_some() { if obligation.predicate.self_ty().is_closure() @@ -1320,7 +1321,7 @@ fn confirm_select_candidate<'cx, 'tcx>( } } else if selcx.tcx().async_fn_trait_kind_from_def_id(trait_def_id).is_some() { confirm_async_closure_candidate(selcx, obligation, data) - } else if lang_items.async_fn_kind_helper() == Some(trait_def_id) { + } else if tcx.is_lang_item(trait_def_id, LangItem::AsyncFnKindHelper) { confirm_async_fn_kind_helper_candidate(selcx, obligation, data) } else { confirm_builtin_candidate(selcx, obligation, data) @@ -1373,10 +1374,9 @@ fn confirm_coroutine_candidate<'cx, 'tcx>( coroutine_sig, ); - let lang_items = tcx.lang_items(); - let ty = if Some(obligation.predicate.def_id) == lang_items.coroutine_return() { + let ty = if tcx.is_lang_item(obligation.predicate.def_id, LangItem::CoroutineReturn) { return_ty - } else if Some(obligation.predicate.def_id) == lang_items.coroutine_yield() { + } else if tcx.is_lang_item(obligation.predicate.def_id, LangItem::CoroutineYield) { yield_ty } else { span_bug!( @@ -1539,21 +1539,20 @@ fn confirm_builtin_candidate<'cx, 'tcx>( ) -> Progress<'tcx> { let tcx = selcx.tcx(); let self_ty = obligation.predicate.self_ty(); - let lang_items = tcx.lang_items(); let item_def_id = obligation.predicate.def_id; let trait_def_id = tcx.trait_of_item(item_def_id).unwrap(); let args = tcx.mk_args(&[self_ty.into()]); - let (term, obligations) = if lang_items.discriminant_kind_trait() == Some(trait_def_id) { + let (term, obligations) = if tcx.is_lang_item(trait_def_id, LangItem::DiscriminantKind) { let discriminant_def_id = tcx.require_lang_item(LangItem::Discriminant, None); assert_eq!(discriminant_def_id, item_def_id); (self_ty.discriminant_ty(tcx).into(), Vec::new()) - } else if lang_items.async_destruct_trait() == Some(trait_def_id) { + } else if tcx.is_lang_item(trait_def_id, LangItem::AsyncDestruct) { let destructor_def_id = tcx.associated_item_def_ids(trait_def_id)[0]; assert_eq!(destructor_def_id, item_def_id); (self_ty.async_destructor_ty(tcx).into(), Vec::new()) - } else if lang_items.pointee_trait() == Some(trait_def_id) { + } else if tcx.is_lang_item(trait_def_id, LangItem::PointeeTrait) { let metadata_def_id = tcx.require_lang_item(LangItem::Metadata, None); assert_eq!(metadata_def_id, item_def_id); diff --git a/compiler/rustc_trait_selection/src/traits/query/dropck_outlives.rs b/compiler/rustc_trait_selection/src/traits/query/dropck_outlives.rs index 326c68e01dbf..7dc051e6fe95 100644 --- a/compiler/rustc_trait_selection/src/traits/query/dropck_outlives.rs +++ b/compiler/rustc_trait_selection/src/traits/query/dropck_outlives.rs @@ -55,7 +55,7 @@ pub fn trivial_dropck_outlives<'tcx>(tcx: TyCtxt<'tcx>, ty: Ty<'tcx>) -> bool { } ty::Adt(def, _) => { - if Some(def.did()) == tcx.lang_items().manually_drop() { + if def.is_manually_drop() { // `ManuallyDrop` never has a dtor. true } else { diff --git a/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs b/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs index 6db5fa0e4e55..a026b233c68a 100644 --- a/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs +++ b/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs @@ -67,9 +67,9 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { // Other bounds. Consider both in-scope bounds from fn decl // and applicable impls. There is a certain set of precedence rules here. let def_id = obligation.predicate.def_id(); - let lang_items = self.tcx().lang_items(); + let tcx = self.tcx(); - if lang_items.copy_trait() == Some(def_id) { + if tcx.is_lang_item(def_id, LangItem::Copy) { debug!(obligation_self_ty = ?obligation.predicate.skip_binder().self_ty()); // User-defined copy impls are permitted, but only for @@ -79,16 +79,16 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { // For other types, we'll use the builtin rules. let copy_conditions = self.copy_clone_conditions(obligation); self.assemble_builtin_bound_candidates(copy_conditions, &mut candidates); - } else if lang_items.discriminant_kind_trait() == Some(def_id) { + } else if tcx.is_lang_item(def_id, LangItem::DiscriminantKind) { // `DiscriminantKind` is automatically implemented for every type. candidates.vec.push(BuiltinCandidate { has_nested: false }); - } else if lang_items.async_destruct_trait() == Some(def_id) { + } else if tcx.is_lang_item(def_id, LangItem::AsyncDestruct) { // `AsyncDestruct` is automatically implemented for every type. candidates.vec.push(BuiltinCandidate { has_nested: false }); - } else if lang_items.pointee_trait() == Some(def_id) { + } else if tcx.is_lang_item(def_id, LangItem::PointeeTrait) { // `Pointee` is automatically implemented for every type. candidates.vec.push(BuiltinCandidate { has_nested: false }); - } else if lang_items.sized_trait() == Some(def_id) { + } else if tcx.is_lang_item(def_id, LangItem::Sized) { // Sized is never implementable by end-users, it is // always automatically computed. @@ -101,22 +101,22 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { let sized_conditions = self.sized_conditions(obligation); self.assemble_builtin_bound_candidates(sized_conditions, &mut candidates); - } else if lang_items.unsize_trait() == Some(def_id) { + } else if tcx.is_lang_item(def_id, LangItem::Unsize) { self.assemble_candidates_for_unsizing(obligation, &mut candidates); - } else if lang_items.destruct_trait() == Some(def_id) { + } else if tcx.is_lang_item(def_id, LangItem::Destruct) { self.assemble_const_destruct_candidates(obligation, &mut candidates); - } else if lang_items.transmute_trait() == Some(def_id) { + } else if tcx.is_lang_item(def_id, LangItem::TransmuteTrait) { // User-defined transmutability impls are permitted. self.assemble_candidates_from_impls(obligation, &mut candidates); self.assemble_candidates_for_transmutability(obligation, &mut candidates); - } else if lang_items.tuple_trait() == Some(def_id) { + } else if tcx.is_lang_item(def_id, LangItem::Tuple) { self.assemble_candidate_for_tuple(obligation, &mut candidates); - } else if lang_items.pointer_like() == Some(def_id) { + } else if tcx.is_lang_item(def_id, LangItem::PointerLike) { self.assemble_candidate_for_pointer_like(obligation, &mut candidates); - } else if lang_items.fn_ptr_trait() == Some(def_id) { + } else if tcx.is_lang_item(def_id, LangItem::FnPtrTrait) { self.assemble_candidates_for_fn_ptr_trait(obligation, &mut candidates); } else { - if lang_items.clone_trait() == Some(def_id) { + if tcx.is_lang_item(def_id, LangItem::Clone) { // Same builtin conditions as `Copy`, i.e., every type which has builtin support // for `Copy` also has builtin support for `Clone`, and tuples/arrays of `Clone` // types have builtin support for `Clone`. @@ -124,17 +124,17 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { self.assemble_builtin_bound_candidates(clone_conditions, &mut candidates); } - if lang_items.coroutine_trait() == Some(def_id) { + if tcx.is_lang_item(def_id, LangItem::Coroutine) { self.assemble_coroutine_candidates(obligation, &mut candidates); - } else if lang_items.future_trait() == Some(def_id) { + } else if tcx.is_lang_item(def_id, LangItem::Future) { self.assemble_future_candidates(obligation, &mut candidates); - } else if lang_items.iterator_trait() == Some(def_id) { + } else if tcx.is_lang_item(def_id, LangItem::Iterator) { self.assemble_iterator_candidates(obligation, &mut candidates); - } else if lang_items.fused_iterator_trait() == Some(def_id) { + } else if tcx.is_lang_item(def_id, LangItem::FusedIterator) { self.assemble_fused_iterator_candidates(obligation, &mut candidates); - } else if lang_items.async_iterator_trait() == Some(def_id) { + } else if tcx.is_lang_item(def_id, LangItem::AsyncIterator) { self.assemble_async_iterator_candidates(obligation, &mut candidates); - } else if lang_items.async_fn_kind_helper() == Some(def_id) { + } else if tcx.is_lang_item(def_id, LangItem::AsyncFnKindHelper) { self.assemble_async_fn_kind_helper_candidates(obligation, &mut candidates); } @@ -755,7 +755,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { candidates.ambiguous = true; } ty::Coroutine(coroutine_def_id, _) - if self.tcx().lang_items().unpin_trait() == Some(def_id) => + if self.tcx().is_lang_item(def_id, LangItem::Unpin) => { match self.tcx().coroutine_movability(coroutine_def_id) { hir::Movability::Static => { diff --git a/compiler/rustc_trait_selection/src/traits/select/confirmation.rs b/compiler/rustc_trait_selection/src/traits/select/confirmation.rs index 08524f625fe4..074fd4878886 100644 --- a/compiler/rustc_trait_selection/src/traits/select/confirmation.rs +++ b/compiler/rustc_trait_selection/src/traits/select/confirmation.rs @@ -258,16 +258,16 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { ) -> Vec> { debug!(?obligation, ?has_nested, "confirm_builtin_candidate"); - let lang_items = self.tcx().lang_items(); + let tcx = self.tcx(); let obligations = if has_nested { let trait_def = obligation.predicate.def_id(); - let conditions = if Some(trait_def) == lang_items.sized_trait() { + let conditions = if tcx.is_lang_item(trait_def, LangItem::Sized) { self.sized_conditions(obligation) - } else if Some(trait_def) == lang_items.copy_trait() { + } else if tcx.is_lang_item(trait_def, LangItem::Copy) { self.copy_clone_conditions(obligation) - } else if Some(trait_def) == lang_items.clone_trait() { + } else if tcx.is_lang_item(trait_def, LangItem::Clone) { self.copy_clone_conditions(obligation) - } else if Some(trait_def) == lang_items.fused_iterator_trait() { + } else if tcx.is_lang_item(trait_def, LangItem::FusedIterator) { self.fused_iterator_conditions(obligation) } else { bug!("unexpected builtin trait {:?}", trait_def) @@ -1444,7 +1444,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { | ty::Foreign(_) => {} // `ManuallyDrop` is trivially drop - ty::Adt(def, _) if Some(def.did()) == tcx.lang_items().manually_drop() => {} + ty::Adt(def, _) if def.is_manually_drop() => {} // These types are built-in, so we can fast-track by registering // nested predicates for their constituent type(s) diff --git a/compiler/rustc_trait_selection/src/traits/select/mod.rs b/compiler/rustc_trait_selection/src/traits/select/mod.rs index 212ef2e4b2be..b40195857712 100644 --- a/compiler/rustc_trait_selection/src/traits/select/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/select/mod.rs @@ -32,6 +32,7 @@ use rustc_data_structures::stack::ensure_sufficient_stack; use rustc_errors::{Diag, EmissionGuarantee}; use rustc_hir as hir; use rustc_hir::def_id::DefId; +use rustc_hir::LangItem; use rustc_infer::infer::relate::TypeRelation; use rustc_infer::infer::BoundRegionConversionTime; use rustc_infer::infer::BoundRegionConversionTime::HigherRankedType; @@ -2800,19 +2801,18 @@ impl<'tcx> SelectionContext<'_, 'tcx> { let predicates = predicates.instantiate_own(tcx, args); let mut obligations = Vec::with_capacity(predicates.len()); for (index, (predicate, span)) in predicates.into_iter().enumerate() { - let cause = - if Some(parent_trait_pred.def_id()) == tcx.lang_items().coerce_unsized_trait() { - cause.clone() - } else { - cause.clone().derived_cause(parent_trait_pred, |derived| { - ObligationCauseCode::ImplDerived(Box::new(ImplDerivedCause { - derived, - impl_or_alias_def_id: def_id, - impl_def_predicate_index: Some(index), - span, - })) - }) - }; + let cause = if tcx.is_lang_item(parent_trait_pred.def_id(), LangItem::CoerceUnsized) { + cause.clone() + } else { + cause.clone().derived_cause(parent_trait_pred, |derived| { + ObligationCauseCode::ImplDerived(Box::new(ImplDerivedCause { + derived, + impl_or_alias_def_id: def_id, + impl_def_predicate_index: Some(index), + span, + })) + }) + }; let clause = normalize_with_depth_to( self, param_env, diff --git a/compiler/rustc_ty_utils/src/instance.rs b/compiler/rustc_ty_utils/src/instance.rs index e4dcea785d41..094903f61d4f 100644 --- a/compiler/rustc_ty_utils/src/instance.rs +++ b/compiler/rustc_ty_utils/src/instance.rs @@ -1,5 +1,6 @@ use rustc_errors::ErrorGuaranteed; use rustc_hir::def_id::DefId; +use rustc_hir::LangItem; use rustc_infer::infer::TyCtxtInferExt; use rustc_middle::bug; use rustc_middle::query::Providers; @@ -34,7 +35,7 @@ fn resolve_instance<'tcx>( let def = if tcx.intrinsic(def_id).is_some() { debug!(" => intrinsic"); ty::InstanceDef::Intrinsic(def_id) - } else if Some(def_id) == tcx.lang_items().drop_in_place_fn() { + } else if tcx.is_lang_item(def_id, LangItem::DropInPlace) { let ty = args.type_at(0); if ty.needs_drop(tcx, param_env) { @@ -57,7 +58,7 @@ fn resolve_instance<'tcx>( debug!(" => trivial drop glue"); ty::InstanceDef::DropGlue(def_id, None) } - } else if Some(def_id) == tcx.lang_items().async_drop_in_place_fn() { + } else if tcx.is_lang_item(def_id, LangItem::AsyncDropInPlace) { let ty = args.type_at(0); if ty.async_drop_glue_morphology(tcx) != AsyncDropGlueMorphology::Noop { @@ -221,8 +222,7 @@ fn resolve_associated_item<'tcx>( ) } traits::ImplSource::Builtin(BuiltinImplSource::Misc, _) => { - let lang_items = tcx.lang_items(); - if Some(trait_ref.def_id) == lang_items.clone_trait() { + if tcx.is_lang_item(trait_ref.def_id, LangItem::Clone) { // FIXME(eddyb) use lang items for methods instead of names. let name = tcx.item_name(trait_item_id); if name == sym::clone { @@ -248,8 +248,8 @@ fn resolve_associated_item<'tcx>( let args = tcx.erase_regions(rcvr_args); Some(ty::Instance::new(trait_item_id, args)) } - } else if Some(trait_ref.def_id) == lang_items.fn_ptr_trait() { - if lang_items.fn_ptr_addr() == Some(trait_item_id) { + } else if tcx.is_lang_item(trait_ref.def_id, LangItem::FnPtrTrait) { + if tcx.is_lang_item(trait_item_id, LangItem::FnPtrAddr) { let self_ty = trait_ref.self_ty(); if !matches!(self_ty.kind(), ty::FnPtr(..)) { return Ok(None); From df1d6168f4deef4954f3b74a23fe1e923d9b95b6 Mon Sep 17 00:00:00 2001 From: Jack Wrenn Date: Fri, 14 Jun 2024 17:02:07 +0000 Subject: [PATCH 1563/1716] safe transmute: support non-ZST, variantful, uninhabited enums Previously, `Tree::from_enum`'s implementation branched into three disjoint cases: 1. enums that uninhabited 2. enums for which all but one variant is uninhabited 3. enums with multiple inhabited variants This branching (incorrectly) did not differentiate between variantful and variantless uninhabited enums. In both cases, we assumed (and asserted) that uninhabited enums are zero-sized types. This assumption is false for enums like: enum Uninhabited { A(!, u128) } ...which, currently, has the same size as `u128`. This faulty assumption manifested as the ICE reported in #126460. In this PR, we revise the first case of `Tree::from_enum` to consider only the narrow category of "enums that are uninhabited ZSTs". These enums, whose layouts are described with `Variants::Single { index }`, are special in their layouts otherwise resemble the `!` type and cannot be descended into like typical enums. This first case captures uninhabited enums like: enum Uninhabited { A(!, !), B(!) } The second case is revised to consider the broader category of "enums that defer their layout to one of their variants"; i.e., enums whose layouts are described with `Variants::Single { index }` and that do have a variant at `index`. This second case captures uninhabited enums that are not ZSTs, like: enum Uninhabited { A(!, u128) } ...which represent their variants with `Variants::Single`. Finally, the third case is revised to cover the broader category of "enums with multiple variants", which captures uninhabited, non-ZST enums like: enum Uninhabited { A(u8, !), B(!, u32) } ...which represent their variants with `Variants::Multiple`. This PR also adds a comment requested by RalfJung in his review of #126358 to `compiler/rustc_const_eval/src/interpret/discriminant.rs`. Fixes #126460 --- .../src/interpret/discriminant.rs | 11 ++++- compiler/rustc_transmute/src/layout/tree.rs | 36 +++++++--------- .../enums/uninhabited_optimization.rs | 6 +++ tests/ui/transmutability/uninhabited.rs | 24 ++++++++++- tests/ui/transmutability/uninhabited.stderr | 42 ++++++++++++++++--- 5 files changed, 89 insertions(+), 30 deletions(-) diff --git a/compiler/rustc_const_eval/src/interpret/discriminant.rs b/compiler/rustc_const_eval/src/interpret/discriminant.rs index a50b50d231d7..b3a139d553ad 100644 --- a/compiler/rustc_const_eval/src/interpret/discriminant.rs +++ b/compiler/rustc_const_eval/src/interpret/discriminant.rs @@ -241,7 +241,16 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { variant_index: VariantIdx, ) -> InterpResult<'tcx, Option<(ScalarInt, usize)>> { match self.layout_of(ty)?.variants { - abi::Variants::Single { .. } => Ok(None), + abi::Variants::Single { .. } => { + // The tag of a `Single` enum is like the tag of the niched + // variant: there's no tag as the discriminant is encoded + // entirely implicitly. If `write_discriminant` ever hits this + // case, we do a "validation read" to ensure the the right + // discriminant is encoded implicitly, so any attempt to write + // the wrong discriminant for a `Single` enum will reliably + // result in UB. + Ok(None) + } abi::Variants::Multiple { tag_encoding: TagEncoding::Direct, diff --git a/compiler/rustc_transmute/src/layout/tree.rs b/compiler/rustc_transmute/src/layout/tree.rs index 241381f5875e..865f9487213f 100644 --- a/compiler/rustc_transmute/src/layout/tree.rs +++ b/compiler/rustc_transmute/src/layout/tree.rs @@ -341,37 +341,29 @@ pub(crate) mod rustc { // We consider three kinds of enums, each demanding a different // treatment of their layout computation: - // 1. enums that are uninhabited - // 2. enums for which all but one variant is uninhabited - // 3. enums with multiple inhabited variants + // 1. enums that are uninhabited ZSTs + // 2. enums that delegate their layout to a variant + // 3. enums with multiple variants match layout.variants() { - _ if layout.abi.is_uninhabited() => { - // Uninhabited enums are usually (always?) zero-sized. In - // the (unlikely?) event that an uninhabited enum is - // non-zero-sized, this assert will trigger an ICE, and this - // code should be modified such that a `layout.size` amount - // of uninhabited bytes is returned instead. - // - // Uninhabited enums are currently implemented such that - // their layout is described with `Variants::Single`, even - // though they don't necessarily have a 'single' variant to - // defer to. That said, we don't bother specifically - // matching on `Variants::Single` in this arm because the - // behavioral principles here remain true even if, for - // whatever reason, the compiler describes an uninhabited - // enum with `Variants::Multiple`. - assert_eq!(layout.size, Size::ZERO); + Variants::Single { .. } + if layout.abi.is_uninhabited() && layout.size == Size::ZERO => + { + // The layout representation of uninhabited, ZST enums is + // defined to be like that of the `!` type, as opposed of a + // typical enum. Consequently, they cannot be descended into + // as if they typical enums. We therefore special-case this + // scenario and simply return an uninhabited `Tree`. Ok(Self::uninhabited()) } Variants::Single { index } => { - // `Variants::Single` on non-uninhabited enums denotes that + // `Variants::Single` on enums with variants denotes that // the enum delegates its layout to the variant at `index`. layout_of_variant(*index) } Variants::Multiple { tag_field, .. } => { // `Variants::Multiple` denotes an enum with multiple - // inhabited variants. The layout of such an enum is the - // disjunction of the layouts of its tagged variants. + // variants. The layout of such an enum is the disjunction + // of the layouts of its tagged variants. // For enums (but not coroutines), the tag field is // currently always the first field of the layout. diff --git a/tests/ui/transmutability/enums/uninhabited_optimization.rs b/tests/ui/transmutability/enums/uninhabited_optimization.rs index 04a8eb40c8b8..c2d5b67ab2ce 100644 --- a/tests/ui/transmutability/enums/uninhabited_optimization.rs +++ b/tests/ui/transmutability/enums/uninhabited_optimization.rs @@ -19,8 +19,14 @@ enum SingleUninhabited { Y(Uninhabited), } +enum MultipleUninhabited { + X(u8, Uninhabited), + Y(Uninhabited, u16), +} + fn main() { assert_transmutable::(); assert_transmutable::(); assert_transmutable::(); + assert_transmutable::(); } diff --git a/tests/ui/transmutability/uninhabited.rs b/tests/ui/transmutability/uninhabited.rs index b61b110f6a11..7524922c16a7 100644 --- a/tests/ui/transmutability/uninhabited.rs +++ b/tests/ui/transmutability/uninhabited.rs @@ -30,7 +30,7 @@ fn void() { } // Non-ZST uninhabited types are, nonetheless, uninhabited. -fn yawning_void() { +fn yawning_void_struct() { enum Void {} struct YawningVoid(Void, u128); @@ -49,6 +49,28 @@ fn yawning_void() { assert::is_maybe_transmutable::<(), Void>(); //~ ERROR: cannot be safely transmuted } +// Non-ZST uninhabited types are, nonetheless, uninhabited. +fn yawning_void_enum() { + enum Void {} + + enum YawningVoid { + A(Void, u128), + } + + const _: () = { + assert!(std::mem::size_of::() == std::mem::size_of::()); + // Just to be sure the above constant actually evaluated: + assert!(false); //~ ERROR: evaluation of constant value failed + }; + + // This transmutation is vacuously acceptable; since one cannot construct a + // `Void`, unsoundness cannot directly arise from transmuting a void into + // anything else. + assert::is_maybe_transmutable::(); + + assert::is_maybe_transmutable::<(), Void>(); //~ ERROR: cannot be safely transmuted +} + // References to uninhabited types are, logically, uninhabited, but for layout // purposes are not ZSTs, and aren't treated as uninhabited when they appear in // enum variants. diff --git a/tests/ui/transmutability/uninhabited.stderr b/tests/ui/transmutability/uninhabited.stderr index 60219b0f263c..88a98c798fc3 100644 --- a/tests/ui/transmutability/uninhabited.stderr +++ b/tests/ui/transmutability/uninhabited.stderr @@ -7,10 +7,18 @@ LL | assert!(false); = note: this error originates in the macro `assert` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0080]: evaluation of constant value failed - --> $DIR/uninhabited.rs:65:9 + --> $DIR/uninhabited.rs:63:9 | LL | assert!(false); - | ^^^^^^^^^^^^^^ the evaluated program panicked at 'assertion failed: false', $DIR/uninhabited.rs:65:9 + | ^^^^^^^^^^^^^^ the evaluated program panicked at 'assertion failed: false', $DIR/uninhabited.rs:63:9 + | + = note: this error originates in the macro `assert` (in Nightly builds, run with -Z macro-backtrace for more info) + +error[E0080]: evaluation of constant value failed + --> $DIR/uninhabited.rs:87:9 + | +LL | assert!(false); + | ^^^^^^^^^^^^^^ the evaluated program panicked at 'assertion failed: false', $DIR/uninhabited.rs:87:9 | = note: this error originates in the macro `assert` (in Nightly builds, run with -Z macro-backtrace for more info) @@ -36,11 +44,33 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_maybe_transmutable` -error[E0277]: `()` cannot be safely transmuted into `yawning_void::Void` +error[E0277]: `()` cannot be safely transmuted into `yawning_void_struct::Void` --> $DIR/uninhabited.rs:49:41 | LL | assert::is_maybe_transmutable::<(), Void>(); - | ^^^^ `yawning_void::Void` is uninhabited + | ^^^^ `yawning_void_struct::Void` is uninhabited + | +note: required by a bound in `is_maybe_transmutable` + --> $DIR/uninhabited.rs:10:14 + | +LL | pub fn is_maybe_transmutable() + | --------------------- required by a bound in this function +LL | where +LL | Dst: BikeshedIntrinsicFrom + | |__________^ required by this bound in `is_maybe_transmutable` + +error[E0277]: `()` cannot be safely transmuted into `yawning_void_enum::Void` + --> $DIR/uninhabited.rs:71:41 + | +LL | assert::is_maybe_transmutable::<(), Void>(); + | ^^^^ `yawning_void_enum::Void` is uninhabited | note: required by a bound in `is_maybe_transmutable` --> $DIR/uninhabited.rs:10:14 @@ -59,7 +89,7 @@ LL | | }> | |__________^ required by this bound in `is_maybe_transmutable` error[E0277]: `u128` cannot be safely transmuted into `DistantVoid` - --> $DIR/uninhabited.rs:70:43 + --> $DIR/uninhabited.rs:92:43 | LL | assert::is_maybe_transmutable::(); | ^^^^^^^^^^^ at least one value of `u128` isn't a bit-valid value of `DistantVoid` @@ -80,7 +110,7 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_maybe_transmutable` -error: aborting due to 5 previous errors +error: aborting due to 7 previous errors Some errors have detailed explanations: E0080, E0277. For more information about an error, try `rustc --explain E0080`. From 0562064959f478e18ba840854a8d73503a1cf9f0 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Fri, 14 Jun 2024 17:19:47 -0400 Subject: [PATCH 1564/1716] Correctly consider depth when visiting WF goals --- .../rustc_trait_selection/src/solve/fulfill.rs | 6 ++++-- .../src/solve/inspect/analyse.rs | 15 ++++++++++++++- 2 files changed, 18 insertions(+), 3 deletions(-) diff --git a/compiler/rustc_trait_selection/src/solve/fulfill.rs b/compiler/rustc_trait_selection/src/solve/fulfill.rs index 519a24f6975f..3c01d1a65f50 100644 --- a/compiler/rustc_trait_selection/src/solve/fulfill.rs +++ b/compiler/rustc_trait_selection/src/solve/fulfill.rs @@ -520,8 +520,9 @@ impl<'tcx> ProofTreeVisitor<'tcx> for BestObligation<'tcx> { if let Some(ty::PredicateKind::AliasRelate(lhs, rhs, _)) = pred_kind.no_bound_vars() { if let Some(obligation) = goal .infcx() - .visit_proof_tree( + .visit_proof_tree_at_depth( goal.goal().with(goal.infcx().tcx, ty::ClauseKind::WellFormed(lhs.into())), + goal.depth() + 1, self, ) .break_value() @@ -529,8 +530,9 @@ impl<'tcx> ProofTreeVisitor<'tcx> for BestObligation<'tcx> { return ControlFlow::Break(obligation); } else if let Some(obligation) = goal .infcx() - .visit_proof_tree( + .visit_proof_tree_at_depth( goal.goal().with(goal.infcx().tcx, ty::ClauseKind::WellFormed(rhs.into())), + goal.depth() + 1, self, ) .break_value() diff --git a/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs b/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs index b9c98b6a2e96..464c188b6e32 100644 --- a/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs +++ b/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs @@ -278,6 +278,10 @@ impl<'a, 'tcx> InspectGoal<'a, 'tcx> { self.source } + pub fn depth(&self) -> usize { + self.depth + } + fn candidates_recur( &'a self, candidates: &mut Vec>, @@ -435,9 +439,18 @@ impl<'tcx> InferCtxt<'tcx> { &self, goal: Goal<'tcx, ty::Predicate<'tcx>>, visitor: &mut V, + ) -> V::Result { + self.visit_proof_tree_at_depth(goal, 0, visitor) + } + + fn visit_proof_tree_at_depth>( + &self, + goal: Goal<'tcx, ty::Predicate<'tcx>>, + depth: usize, + visitor: &mut V, ) -> V::Result { let (_, proof_tree) = self.evaluate_root_goal(goal, GenerateProofTree::Yes); let proof_tree = proof_tree.unwrap(); - visitor.visit_goal(&InspectGoal::new(self, 0, proof_tree, None, GoalSource::Misc)) + visitor.visit_goal(&InspectGoal::new(self, depth, proof_tree, None, GoalSource::Misc)) } } From cbc3bdbe01990773a90f72260ce2a4b1c778e554 Mon Sep 17 00:00:00 2001 From: Vadim Petrochenkov Date: Fri, 14 Jun 2024 23:09:15 +0300 Subject: [PATCH 1565/1716] delegation: Fix hygiene for `self` And fix diagnostics for `self` from a macro. --- compiler/rustc_resolve/src/late.rs | 22 +++++++------ .../rustc_resolve/src/late/diagnostics.rs | 24 ++++++++------ tests/ui/delegation/macro-inside-list.rs | 4 +-- tests/ui/delegation/self-hygiene.rs | 20 ++++++++++++ tests/ui/delegation/self-hygiene.stderr | 31 +++++++++++++++++++ 5 files changed, 80 insertions(+), 21 deletions(-) create mode 100644 tests/ui/delegation/self-hygiene.rs create mode 100644 tests/ui/delegation/self-hygiene.stderr diff --git a/compiler/rustc_resolve/src/late.rs b/compiler/rustc_resolve/src/late.rs index b0adc3775f66..fa711d932b63 100644 --- a/compiler/rustc_resolve/src/late.rs +++ b/compiler/rustc_resolve/src/late.rs @@ -3281,17 +3281,19 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { } self.visit_path(&delegation.path, delegation.id); if let Some(body) = &delegation.body { - // `PatBoundCtx` is not necessary in this context - let mut bindings = smallvec![(PatBoundCtx::Product, Default::default())]; + self.with_rib(ValueNS, RibKind::FnOrCoroutine, |this| { + // `PatBoundCtx` is not necessary in this context + let mut bindings = smallvec![(PatBoundCtx::Product, Default::default())]; - let span = delegation.path.segments.last().unwrap().ident.span; - self.fresh_binding( - Ident::new(kw::SelfLower, span), - delegation.id, - PatternSource::FnParam, - &mut bindings, - ); - self.visit_block(body); + let span = delegation.path.segments.last().unwrap().ident.span; + this.fresh_binding( + Ident::new(kw::SelfLower, span), + delegation.id, + PatternSource::FnParam, + &mut bindings, + ); + this.visit_block(body); + }); } } diff --git a/compiler/rustc_resolve/src/late/diagnostics.rs b/compiler/rustc_resolve/src/late/diagnostics.rs index 9eeb0da7ed2f..be24755d4c5a 100644 --- a/compiler/rustc_resolve/src/late/diagnostics.rs +++ b/compiler/rustc_resolve/src/late/diagnostics.rs @@ -1021,12 +1021,14 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { }, ); let is_assoc_fn = self.self_type_is_available(); + let self_from_macro = "a `self` parameter, but a macro invocation can only \ + access identifiers it receives from parameters"; if let Some((fn_kind, span)) = &self.diag_metadata.current_function { // The current function has a `self` parameter, but we were unable to resolve // a reference to `self`. This can only happen if the `self` identifier we // are resolving came from a different hygiene context. if fn_kind.decl().inputs.get(0).is_some_and(|p| p.is_self()) { - err.span_label(*span, "this function has a `self` parameter, but a macro invocation can only access identifiers it receives from parameters"); + err.span_label(*span, format!("this function has {self_from_macro}")); } else { let doesnt = if is_assoc_fn { let (span, sugg) = fn_kind @@ -1068,14 +1070,18 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { } } } else if let Some(item_kind) = self.diag_metadata.current_item { - err.span_label( - item_kind.ident.span, - format!( - "`self` not allowed in {} {}", - item_kind.kind.article(), - item_kind.kind.descr() - ), - ); + if matches!(item_kind.kind, ItemKind::Delegation(..)) { + err.span_label(item_kind.span, format!("delegation supports {self_from_macro}")); + } else { + err.span_label( + item_kind.ident.span, + format!( + "`self` not allowed in {} {}", + item_kind.kind.article(), + item_kind.kind.descr() + ), + ); + } } true } diff --git a/tests/ui/delegation/macro-inside-list.rs b/tests/ui/delegation/macro-inside-list.rs index 16c74d396ef0..d07a4e47dd4c 100644 --- a/tests/ui/delegation/macro-inside-list.rs +++ b/tests/ui/delegation/macro-inside-list.rs @@ -14,9 +14,9 @@ struct S(u8); // Macro expansion works inside delegation items. macro_rules! u8 { () => { u8 } } -macro_rules! self_0 { () => { &self.0 } } +macro_rules! self_0 { ($self:ident) => { &$self.0 } } impl Trait for S { - reuse ::{foo, bar} { self_0!() } + reuse ::{foo, bar} { self_0!(self) } } fn main() { diff --git a/tests/ui/delegation/self-hygiene.rs b/tests/ui/delegation/self-hygiene.rs new file mode 100644 index 000000000000..dac6c319416a --- /dev/null +++ b/tests/ui/delegation/self-hygiene.rs @@ -0,0 +1,20 @@ +#![feature(fn_delegation)] +#![allow(incomplete_features)] + +macro_rules! emit_self { () => { self } } +//~^ ERROR expected value, found module `self` +//~| ERROR expected value, found module `self` + +struct S; +impl S { + fn method(self) { + emit_self!(); + } +} + +fn foo(arg: u8) {} +reuse foo as bar { + emit_self!() +} + +fn main() {} diff --git a/tests/ui/delegation/self-hygiene.stderr b/tests/ui/delegation/self-hygiene.stderr new file mode 100644 index 000000000000..fa64b7d1d7f7 --- /dev/null +++ b/tests/ui/delegation/self-hygiene.stderr @@ -0,0 +1,31 @@ +error[E0424]: expected value, found module `self` + --> $DIR/self-hygiene.rs:4:34 + | +LL | macro_rules! emit_self { () => { self } } + | ^^^^ `self` value is a keyword only available in methods with a `self` parameter +... +LL | / fn method(self) { +LL | | emit_self!(); + | | ------------ in this macro invocation +LL | | } + | |_____- this function has a `self` parameter, but a macro invocation can only access identifiers it receives from parameters + | + = note: this error originates in the macro `emit_self` (in Nightly builds, run with -Z macro-backtrace for more info) + +error[E0424]: expected value, found module `self` + --> $DIR/self-hygiene.rs:4:34 + | +LL | macro_rules! emit_self { () => { self } } + | ^^^^ `self` value is a keyword only available in methods with a `self` parameter +... +LL | / reuse foo as bar { +LL | | emit_self!() + | | ------------ in this macro invocation +LL | | } + | |_- delegation supports a `self` parameter, but a macro invocation can only access identifiers it receives from parameters + | + = note: this error originates in the macro `emit_self` (in Nightly builds, run with -Z macro-backtrace for more info) + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0424`. From c006748f6272c19cedb67d25b4444bb07cc5ce12 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?R=C3=A9my=20Rakic?= Date: Fri, 14 Jun 2024 21:52:25 +0000 Subject: [PATCH 1566/1716] make bors ignore comments in PR template --- .github/pull_request_template.md | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/.github/pull_request_template.md b/.github/pull_request_template.md index ca704082a3f1..fd54a153a160 100644 --- a/.github/pull_request_template.md +++ b/.github/pull_request_template.md @@ -1,3 +1,4 @@ + \ No newline at end of file +--> + From 3b9adbec32757264ba30b68e04ce66d6023810aa Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Fri, 14 Jun 2024 20:35:45 -0400 Subject: [PATCH 1567/1716] Only compute vtable information during codegen --- .../rustc_codegen_cranelift/src/unsize.rs | 3 +- compiler/rustc_codegen_ssa/src/base.rs | 3 +- compiler/rustc_middle/src/query/keys.rs | 8 ++ compiler/rustc_middle/src/query/mod.rs | 7 +- .../src/solve/assembly/mod.rs | 9 +- .../src/solve/eval_ctxt/mod.rs | 36 ----- .../src/solve/eval_ctxt/select.rs | 4 +- .../src/solve/trait_goals.rs | 32 ++--- .../rustc_trait_selection/src/traits/mod.rs | 2 +- .../src/traits/select/confirmation.rs | 43 +----- .../rustc_trait_selection/src/traits/util.rs | 17 --- .../src/traits/vtable.rs | 127 +++++++++++------- compiler/rustc_ty_utils/src/instance.rs | 22 ++- compiler/rustc_type_ir/src/solve.rs | 23 ++-- 14 files changed, 141 insertions(+), 195 deletions(-) diff --git a/compiler/rustc_codegen_cranelift/src/unsize.rs b/compiler/rustc_codegen_cranelift/src/unsize.rs index 4acbc8a27edb..967aa53abbda 100644 --- a/compiler/rustc_codegen_cranelift/src/unsize.rs +++ b/compiler/rustc_codegen_cranelift/src/unsize.rs @@ -39,8 +39,7 @@ pub(crate) fn unsized_info<'tcx>( } // trait upcasting coercion - let vptr_entry_idx = - fx.tcx.vtable_trait_upcasting_coercion_new_vptr_slot((source, target)); + let vptr_entry_idx = fx.tcx.supertrait_vtable_slot((source, target)); if let Some(entry_idx) = vptr_entry_idx { let entry_idx = u32::try_from(entry_idx).unwrap(); diff --git a/compiler/rustc_codegen_ssa/src/base.rs b/compiler/rustc_codegen_ssa/src/base.rs index 0b450c43924e..c18816533a2f 100644 --- a/compiler/rustc_codegen_ssa/src/base.rs +++ b/compiler/rustc_codegen_ssa/src/base.rs @@ -163,8 +163,7 @@ pub fn unsized_info<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>( // trait upcasting coercion - let vptr_entry_idx = - cx.tcx().vtable_trait_upcasting_coercion_new_vptr_slot((source, target)); + let vptr_entry_idx = cx.tcx().supertrait_vtable_slot((source, target)); if let Some(entry_idx) = vptr_entry_idx { let ptr_size = bx.data_layout().pointer_size; diff --git a/compiler/rustc_middle/src/query/keys.rs b/compiler/rustc_middle/src/query/keys.rs index faa137019cb9..5452e1dff3ef 100644 --- a/compiler/rustc_middle/src/query/keys.rs +++ b/compiler/rustc_middle/src/query/keys.rs @@ -360,6 +360,14 @@ impl<'tcx> Key for (ty::ParamEnv<'tcx>, ty::TraitRef<'tcx>) { } } +impl<'tcx> Key for ty::TraitRef<'tcx> { + type Cache = DefaultCache; + + fn default_span(&self, tcx: TyCtxt<'_>) -> Span { + tcx.def_span(self.def_id) + } +} + impl<'tcx> Key for ty::PolyTraitRef<'tcx> { type Cache = DefaultCache; diff --git a/compiler/rustc_middle/src/query/mod.rs b/compiler/rustc_middle/src/query/mod.rs index a8bf735fa5a9..8ba930f493e2 100644 --- a/compiler/rustc_middle/src/query/mod.rs +++ b/compiler/rustc_middle/src/query/mod.rs @@ -46,6 +46,7 @@ use crate::traits::{ }; use crate::ty::fast_reject::SimplifiedType; use crate::ty::layout::ValidityRequirement; +use crate::ty::print::PrintTraitRefExt; use crate::ty::util::AlwaysRequiresDrop; use crate::ty::TyCtxtFeed; use crate::ty::{ @@ -1271,7 +1272,11 @@ rustc_queries! { desc { |tcx| "finding all vtable entries for trait `{}`", tcx.def_path_str(key.def_id()) } } - query vtable_trait_upcasting_coercion_new_vptr_slot(key: (Ty<'tcx>, Ty<'tcx>)) -> Option { + query first_method_vtable_slot(key: ty::TraitRef<'tcx>) -> usize { + desc { |tcx| "finding the slot within the vtable of `{}` for the implementation of `{}`", key.self_ty(), key.print_only_trait_name() } + } + + query supertrait_vtable_slot(key: (Ty<'tcx>, Ty<'tcx>)) -> Option { desc { |tcx| "finding the slot within vtable for trait object `{}` vtable ptr during trait upcasting coercion from `{}` vtable", key.1, key.0 } } diff --git a/compiler/rustc_trait_selection/src/solve/assembly/mod.rs b/compiler/rustc_trait_selection/src/solve/assembly/mod.rs index b51efd339c4d..ab67c5f3694a 100644 --- a/compiler/rustc_trait_selection/src/solve/assembly/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/assembly/mod.rs @@ -3,6 +3,7 @@ use rustc_hir::def_id::DefId; use rustc_infer::infer::InferCtxt; use rustc_infer::traits::query::NoSolution; +use rustc_infer::traits::util::supertraits; use rustc_middle::bug; use rustc_middle::traits::solve::inspect::ProbeKind; use rustc_middle::traits::solve::{ @@ -743,14 +744,14 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { // a projection goal. if let Some(principal) = bounds.principal() { let principal_trait_ref = principal.with_self_ty(tcx, self_ty); - self.walk_vtable(principal_trait_ref, |ecx, assumption, vtable_base, _| { + for (idx, assumption) in supertraits(self.interner(), principal_trait_ref).enumerate() { candidates.extend(G::probe_and_consider_object_bound_candidate( - ecx, - CandidateSource::BuiltinImpl(BuiltinImplSource::Object { vtable_base }), + self, + CandidateSource::BuiltinImpl(BuiltinImplSource::Object(idx)), goal, assumption.upcast(tcx), )); - }); + } } } diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs index 860c580374d1..6b8375b53e8f 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs @@ -24,7 +24,6 @@ use rustc_type_ir_macros::{Lift_Generic, TypeFoldable_Generic, TypeVisitable_Gen use std::ops::ControlFlow; use crate::traits::coherence; -use crate::traits::vtable::{count_own_vtable_entries, prepare_vtable_segments, VtblSegment}; use super::inspect::ProofTreeBuilder; use super::{search_graph, GoalEvaluationKind, FIXPOINT_STEP_LIMIT}; @@ -1022,41 +1021,6 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { } } } - - /// Walk through the vtable of a principal trait ref, executing a `supertrait_visitor` - /// for every trait ref encountered (including the principal). Passes both the vtable - /// base and the (optional) vptr slot. - pub(super) fn walk_vtable( - &mut self, - principal: ty::PolyTraitRef<'tcx>, - mut supertrait_visitor: impl FnMut(&mut Self, ty::PolyTraitRef<'tcx>, usize, Option), - ) { - let tcx = self.interner(); - let mut offset = 0; - prepare_vtable_segments::<()>(tcx, principal, |segment| { - match segment { - VtblSegment::MetadataDSA => { - offset += TyCtxt::COMMON_VTABLE_ENTRIES.len(); - } - VtblSegment::TraitOwnEntries { trait_ref, emit_vptr } => { - let own_vtable_entries = count_own_vtable_entries(tcx, trait_ref); - - supertrait_visitor( - self, - trait_ref, - offset, - emit_vptr.then(|| offset + own_vtable_entries), - ); - - offset += own_vtable_entries; - if emit_vptr { - offset += 1; - } - } - } - ControlFlow::Continue(()) - }); - } } /// Eagerly replace aliases with inference variables, emitting `AliasRelate` diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/select.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/select.rs index 68c0c8bf09ea..257fd263b944 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/select.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/select.rs @@ -114,8 +114,8 @@ fn candidate_should_be_dropped_in_favor_of<'tcx>( // In the old trait solver, we arbitrarily choose lower vtable candidates // over higher ones. ( - CandidateSource::BuiltinImpl(BuiltinImplSource::Object { vtable_base: a }), - CandidateSource::BuiltinImpl(BuiltinImplSource::Object { vtable_base: b }), + CandidateSource::BuiltinImpl(BuiltinImplSource::Object(a)), + CandidateSource::BuiltinImpl(BuiltinImplSource::Object(b)), ) => a >= b, // Prefer dyn candidates over non-dyn candidates. This is necessary to // handle the unsoundness between `impl Any for T` and `dyn Any: Any`. diff --git a/compiler/rustc_trait_selection/src/solve/trait_goals.rs b/compiler/rustc_trait_selection/src/solve/trait_goals.rs index a741f488901e..0715471d74f9 100644 --- a/compiler/rustc_trait_selection/src/solve/trait_goals.rs +++ b/compiler/rustc_trait_selection/src/solve/trait_goals.rs @@ -9,6 +9,7 @@ use rustc_hir::{LangItem, Movability}; use rustc_infer::infer::InferCtxt; use rustc_infer::traits::query::NoSolution; use rustc_infer::traits::solve::MaybeCause; +use rustc_infer::traits::util::supertraits; use rustc_middle::bug; use rustc_middle::traits::solve::inspect::ProbeKind; use rustc_middle::traits::solve::{CandidateSource, Certainty, Goal, QueryResult}; @@ -756,24 +757,19 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { a_data.principal(), )); } else if let Some(a_principal) = a_data.principal() { - self.walk_vtable( - a_principal.with_self_ty(tcx, a_ty), - |ecx, new_a_principal, _, vtable_vptr_slot| { - responses.extend(ecx.consider_builtin_upcast_to_principal( - goal, - CandidateSource::BuiltinImpl(BuiltinImplSource::TraitUpcasting { - vtable_vptr_slot, - }), - a_data, - a_region, - b_data, - b_region, - Some(new_a_principal.map_bound(|trait_ref| { - ty::ExistentialTraitRef::erase_self_ty(tcx, trait_ref) - })), - )); - }, - ); + for new_a_principal in supertraits(tcx, a_principal.with_self_ty(tcx, a_ty)).skip(1) { + responses.extend(self.consider_builtin_upcast_to_principal( + goal, + CandidateSource::BuiltinImpl(BuiltinImplSource::TraitUpcasting), + a_data, + a_region, + b_data, + b_region, + Some(new_a_principal.map_bound(|trait_ref| { + ty::ExistentialTraitRef::erase_self_ty(tcx, trait_ref) + })), + )); + } } responses diff --git a/compiler/rustc_trait_selection/src/traits/mod.rs b/compiler/rustc_trait_selection/src/traits/mod.rs index eae2f9d1792f..af6bfdae4402 100644 --- a/compiler/rustc_trait_selection/src/traits/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/mod.rs @@ -65,7 +65,7 @@ pub use self::structural_match::search_for_structural_match_violation; pub use self::structural_normalize::StructurallyNormalizeExt; pub use self::util::elaborate; pub use self::util::{expand_trait_aliases, TraitAliasExpander, TraitAliasExpansionInfo}; -pub use self::util::{get_vtable_index_of_object_method, impl_item_is_final, upcast_choices}; +pub use self::util::{impl_item_is_final, upcast_choices}; pub use self::util::{supertraits, transitive_bounds, transitive_bounds_that_define_assoc_item}; pub use self::util::{with_replaced_escaping_bound_vars, BoundVarReplacer, PlaceholderReplacer}; diff --git a/compiler/rustc_trait_selection/src/traits/select/confirmation.rs b/compiler/rustc_trait_selection/src/traits/select/confirmation.rs index 749081006f39..6cf87a9ac78f 100644 --- a/compiler/rustc_trait_selection/src/traits/select/confirmation.rs +++ b/compiler/rustc_trait_selection/src/traits/select/confirmation.rs @@ -22,10 +22,6 @@ use rustc_span::def_id::DefId; use crate::traits::normalize::{normalize_with_depth, normalize_with_depth_to}; use crate::traits::util::{self, closure_trait_ref_and_return_type}; -use crate::traits::vtable::{ - count_own_vtable_entries, prepare_vtable_segments, vtable_trait_first_method_offset, - VtblSegment, -}; use crate::traits::{ ImplDerivedCause, ImplSource, ImplSourceUserDefinedData, Normalized, Obligation, ObligationCause, PolyTraitObligation, PredicateObligation, Selection, SelectionError, @@ -689,13 +685,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { debug!(?nested, "object nested obligations"); - let vtable_base = vtable_trait_first_method_offset( - tcx, - unnormalized_upcast_trait_ref, - ty::Binder::dummy(object_trait_ref), - ); - - Ok(ImplSource::Builtin(BuiltinImplSource::Object { vtable_base: vtable_base }, nested)) + Ok(ImplSource::Builtin(BuiltinImplSource::Object(index), nested)) } fn confirm_fn_pointer_candidate( @@ -1125,36 +1115,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { )? .expect("did not expect ambiguity during confirmation"); - let vtable_segment_callback = { - let mut vptr_offset = 0; - move |segment| { - match segment { - VtblSegment::MetadataDSA => { - vptr_offset += TyCtxt::COMMON_VTABLE_ENTRIES.len(); - } - VtblSegment::TraitOwnEntries { trait_ref, emit_vptr } => { - vptr_offset += count_own_vtable_entries(tcx, trait_ref); - if trait_ref == unnormalized_upcast_principal { - if emit_vptr { - return ControlFlow::Break(Some(vptr_offset)); - } else { - return ControlFlow::Break(None); - } - } - - if emit_vptr { - vptr_offset += 1; - } - } - } - ControlFlow::Continue(()) - } - }; - - let vtable_vptr_slot = - prepare_vtable_segments(tcx, source_principal, vtable_segment_callback).unwrap(); - - Ok(ImplSource::Builtin(BuiltinImplSource::TraitUpcasting { vtable_vptr_slot }, nested)) + Ok(ImplSource::Builtin(BuiltinImplSource::TraitUpcasting, nested)) } fn confirm_builtin_unsize_candidate( diff --git a/compiler/rustc_trait_selection/src/traits/util.rs b/compiler/rustc_trait_selection/src/traits/util.rs index ce7245d93a4e..c3fe816028e3 100644 --- a/compiler/rustc_trait_selection/src/traits/util.rs +++ b/compiler/rustc_trait_selection/src/traits/util.rs @@ -208,23 +208,6 @@ pub fn upcast_choices<'tcx>( supertraits(tcx, source_trait_ref).filter(|r| r.def_id() == target_trait_def_id).collect() } -/// Given an upcast trait object described by `object`, returns the -/// index of the method `method_def_id` (which should be part of -/// `object.upcast_trait_ref`) within the vtable for `object`. -pub fn get_vtable_index_of_object_method<'tcx>( - tcx: TyCtxt<'tcx>, - vtable_base: usize, - method_def_id: DefId, -) -> Option { - // Count number of methods preceding the one we are selecting and - // add them to the total offset. - tcx.own_existential_vtable_entries(tcx.parent(method_def_id)) - .iter() - .copied() - .position(|def_id| def_id == method_def_id) - .map(|index| vtable_base + index) -} - pub fn closure_trait_ref_and_return_type<'tcx>( tcx: TyCtxt<'tcx>, fn_trait_def_id: DefId, diff --git a/compiler/rustc_trait_selection/src/traits/vtable.rs b/compiler/rustc_trait_selection/src/traits/vtable.rs index 9bd4a9aab0ab..017b0a45d1f4 100644 --- a/compiler/rustc_trait_selection/src/traits/vtable.rs +++ b/compiler/rustc_trait_selection/src/traits/vtable.rs @@ -1,15 +1,11 @@ use crate::errors::DumpVTableEntries; use crate::traits::{impossible_predicates, is_vtable_safe_method}; use rustc_hir::def_id::DefId; -use rustc_hir::lang_items::LangItem; use rustc_infer::traits::util::PredicateSet; -use rustc_infer::traits::ImplSource; use rustc_middle::bug; use rustc_middle::query::Providers; -use rustc_middle::traits::BuiltinImplSource; -use rustc_middle::ty::visit::TypeVisitableExt; -use rustc_middle::ty::GenericArgs; use rustc_middle::ty::{self, GenericParamDefKind, Ty, TyCtxt, Upcast, VtblEntry}; +use rustc_middle::ty::{GenericArgs, TypeVisitableExt}; use rustc_span::{sym, Span}; use smallvec::{smallvec, SmallVec}; @@ -320,30 +316,42 @@ fn vtable_entries<'tcx>( tcx.arena.alloc_from_iter(entries) } -/// Find slot base for trait methods within vtable entries of another trait -pub(super) fn vtable_trait_first_method_offset<'tcx>( - tcx: TyCtxt<'tcx>, - trait_to_be_found: ty::PolyTraitRef<'tcx>, - trait_owning_vtable: ty::PolyTraitRef<'tcx>, -) -> usize { - // #90177 - let trait_to_be_found_erased = tcx.erase_regions(trait_to_be_found); +// Given a `dyn Subtrait: Supertrait` trait ref, find corresponding first slot +// for `Supertrait`'s methods in the vtable of `Subtrait`. +pub(crate) fn first_method_vtable_slot<'tcx>(tcx: TyCtxt<'tcx>, key: ty::TraitRef<'tcx>) -> usize { + debug_assert!(!key.has_non_region_infer() && !key.has_non_region_param()); + + let ty::Dynamic(source, _, _) = *key.self_ty().kind() else { + bug!(); + }; + let source_principal = tcx + .normalize_erasing_regions(ty::ParamEnv::reveal_all(), source.principal().unwrap()) + .with_self_ty(tcx, tcx.types.trait_object_dummy_self); + + let target_principal = tcx + .normalize_erasing_regions(ty::ParamEnv::reveal_all(), key) + // We don't care about the self type, since it will always be the same thing. + .with_self_ty(tcx, tcx.types.trait_object_dummy_self); let vtable_segment_callback = { - let mut vtable_base = 0; - + let mut vptr_offset = 0; move |segment| { match segment { VtblSegment::MetadataDSA => { - vtable_base += TyCtxt::COMMON_VTABLE_ENTRIES.len(); + vptr_offset += TyCtxt::COMMON_VTABLE_ENTRIES.len(); } VtblSegment::TraitOwnEntries { trait_ref, emit_vptr } => { - if tcx.erase_regions(trait_ref) == trait_to_be_found_erased { - return ControlFlow::Break(vtable_base); + if tcx + .normalize_erasing_late_bound_regions(ty::ParamEnv::reveal_all(), trait_ref) + == target_principal + { + return ControlFlow::Break(vptr_offset); } - vtable_base += count_own_vtable_entries(tcx, trait_ref); + + vptr_offset += tcx.own_existential_vtable_entries(trait_ref.def_id()).len(); + if emit_vptr { - vtable_base += 1; + vptr_offset += 1; } } } @@ -351,55 +359,72 @@ pub(super) fn vtable_trait_first_method_offset<'tcx>( } }; - if let Some(vtable_base) = - prepare_vtable_segments(tcx, trait_owning_vtable, vtable_segment_callback) - { - vtable_base - } else { - bug!("Failed to find info for expected trait in vtable"); - } + prepare_vtable_segments(tcx, source_principal, vtable_segment_callback).unwrap() } -/// Find slot offset for trait vptr within vtable entries of another trait -pub(crate) fn vtable_trait_upcasting_coercion_new_vptr_slot<'tcx>( +/// Given a `dyn Subtrait` and `dyn Supertrait` trait object, find the slot of +/// // the trait vptr in the subtrait's vtable. +pub(crate) fn supertrait_vtable_slot<'tcx>( tcx: TyCtxt<'tcx>, key: ( - Ty<'tcx>, // trait object type whose trait owning vtable - Ty<'tcx>, // trait object for supertrait + Ty<'tcx>, // Source -- `dyn Subtrait`. + Ty<'tcx>, // Target -- `dyn Supertrait` being coerced to. ), ) -> Option { + debug_assert!(!key.has_non_region_infer() && !key.has_non_region_param()); + let (source, target) = key; - assert!(matches!(&source.kind(), &ty::Dynamic(..)) && !source.has_infer()); - assert!(matches!(&target.kind(), &ty::Dynamic(..)) && !target.has_infer()); + let ty::Dynamic(source, _, _) = *source.kind() else { + bug!(); + }; + let source_principal = tcx + .normalize_erasing_regions(ty::ParamEnv::reveal_all(), source.principal().unwrap()) + .with_self_ty(tcx, tcx.types.trait_object_dummy_self); - // this has been typecked-before, so diagnostics is not really needed. - let unsize_trait_did = tcx.require_lang_item(LangItem::Unsize, None); + let ty::Dynamic(target, _, _) = *target.kind() else { + bug!(); + }; + let target_principal = tcx + .normalize_erasing_regions(ty::ParamEnv::reveal_all(), target.principal().unwrap()) + .with_self_ty(tcx, tcx.types.trait_object_dummy_self); - let trait_ref = ty::TraitRef::new(tcx, unsize_trait_did, [source, target]); + let vtable_segment_callback = { + let mut vptr_offset = 0; + move |segment| { + match segment { + VtblSegment::MetadataDSA => { + vptr_offset += TyCtxt::COMMON_VTABLE_ENTRIES.len(); + } + VtblSegment::TraitOwnEntries { trait_ref, emit_vptr } => { + vptr_offset += tcx.own_existential_vtable_entries(trait_ref.def_id()).len(); + if tcx.normalize_erasing_regions(ty::ParamEnv::reveal_all(), trait_ref) + == target_principal + { + if emit_vptr { + return ControlFlow::Break(Some(vptr_offset)); + } else { + return ControlFlow::Break(None); + } + } - match tcx.codegen_select_candidate((ty::ParamEnv::reveal_all(), trait_ref)) { - Ok(ImplSource::Builtin(BuiltinImplSource::TraitUpcasting { vtable_vptr_slot }, _)) => { - *vtable_vptr_slot + if emit_vptr { + vptr_offset += 1; + } + } + } + ControlFlow::Continue(()) } - otherwise => bug!("expected TraitUpcasting candidate, got {otherwise:?}"), - } -} + }; -/// Given a trait `trait_ref`, returns the number of vtable entries -/// that come from `trait_ref`, excluding its supertraits. Used in -/// computing the vtable base for an upcast trait of a trait object. -pub(crate) fn count_own_vtable_entries<'tcx>( - tcx: TyCtxt<'tcx>, - trait_ref: ty::PolyTraitRef<'tcx>, -) -> usize { - tcx.own_existential_vtable_entries(trait_ref.def_id()).len() + prepare_vtable_segments(tcx, source_principal, vtable_segment_callback).unwrap() } pub(super) fn provide(providers: &mut Providers) { *providers = Providers { own_existential_vtable_entries, vtable_entries, - vtable_trait_upcasting_coercion_new_vptr_slot, + first_method_vtable_slot, + supertrait_vtable_slot, ..*providers }; } diff --git a/compiler/rustc_ty_utils/src/instance.rs b/compiler/rustc_ty_utils/src/instance.rs index e4dcea785d41..2d87975c7596 100644 --- a/compiler/rustc_ty_utils/src/instance.rs +++ b/compiler/rustc_ty_utils/src/instance.rs @@ -212,13 +212,23 @@ fn resolve_associated_item<'tcx>( Some(ty::Instance::new(leaf_def.item.def_id, args)) } - traits::ImplSource::Builtin(BuiltinImplSource::Object { vtable_base }, _) => { - traits::get_vtable_index_of_object_method(tcx, *vtable_base, trait_item_id).map( - |index| Instance { - def: ty::InstanceDef::Virtual(trait_item_id, index), + traits::ImplSource::Builtin(BuiltinImplSource::Object(_), _) => { + let trait_ref = ty::TraitRef::from_method(tcx, trait_id, rcvr_args); + if trait_ref.has_non_region_infer() || trait_ref.has_non_region_param() { + // We only resolve totally substituted vtable entries. + None + } else { + let vtable_base = tcx.first_method_vtable_slot(trait_ref); + let offset = tcx + .own_existential_vtable_entries(trait_id) + .iter() + .copied() + .position(|def_id| def_id == trait_item_id); + offset.map(|offset| Instance { + def: ty::InstanceDef::Virtual(trait_item_id, vtable_base + offset), args: rcvr_args, - }, - ) + }) + } } traits::ImplSource::Builtin(BuiltinImplSource::Misc, _) => { let lang_items = tcx.lang_items(); diff --git a/compiler/rustc_type_ir/src/solve.rs b/compiler/rustc_type_ir/src/solve.rs index 45125fe61919..6a89a8a4cc30 100644 --- a/compiler/rustc_type_ir/src/solve.rs +++ b/compiler/rustc_type_ir/src/solve.rs @@ -171,25 +171,20 @@ pub enum CandidateSource { #[derive(Clone, Copy, Hash, PartialEq, Eq, Debug)] #[cfg_attr(feature = "nightly", derive(HashStable_NoContext, TyEncodable, TyDecodable))] pub enum BuiltinImplSource { - /// Some builtin impl we don't need to differentiate. This should be used + /// Some built-in impl we don't need to differentiate. This should be used /// unless more specific information is necessary. Misc, - /// A builtin impl for trait objects. + /// A built-in impl for trait objects. The index is only used in winnowing. + Object(usize), + /// A built-in implementation of `Upcast` for trait objects to other trait objects. /// - /// The vtable is formed by concatenating together the method lists of - /// the base object trait and all supertraits, pointers to supertrait vtable will - /// be provided when necessary; this is the start of `upcast_trait_ref`'s methods - /// in that vtable. - Object { vtable_base: usize }, - /// The vtable is formed by concatenating together the method lists of - /// the base object trait and all supertraits, pointers to supertrait vtable will - /// be provided when necessary; this is the position of `upcast_trait_ref`'s vtable - /// within that vtable. - TraitUpcasting { vtable_vptr_slot: Option }, + /// This can be removed when `feature(dyn_upcasting)` is stabilized, since we only + /// use it to detect when upcasting traits in hir typeck. + TraitUpcasting, /// Unsizing a tuple like `(A, B, ..., X)` to `(A, B, ..., Y)` if `X` unsizes to `Y`. /// - /// This needs to be a separate variant as it is still unstable and we need to emit - /// a feature error when using it on stable. + /// This can be removed when `feature(tuple_unsizing)` is stabilized, since we only + /// use it to detect when unsizing tuples in hir typeck. TupleUnsizing, } From 9efa158872a5a8bb150106dd4e89a741c43dfcdd Mon Sep 17 00:00:00 2001 From: Weihang Lo Date: Fri, 14 Jun 2024 23:04:53 -0400 Subject: [PATCH 1568/1716] Update cargo --- src/tools/cargo | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/cargo b/src/tools/cargo index 4dcbca118ab7..a1f47ec3f7cd 160000 --- a/src/tools/cargo +++ b/src/tools/cargo @@ -1 +1 @@ -Subproject commit 4dcbca118ab7f9ffac4728004c983754bc6a04ff +Subproject commit a1f47ec3f7cd076986f1bfcd7061f2e8cb1a726e From 58b065eb4423d2075f5478b05e287dbbb8470ca0 Mon Sep 17 00:00:00 2001 From: beepster4096 <19316085+beepster4096@users.noreply.github.com> Date: Sat, 27 Apr 2024 23:09:43 -0700 Subject: [PATCH 1569/1716] make uninitialized_error_reported a set of locals --- compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs | 6 +++--- compiler/rustc_borrowck/src/lib.rs | 2 +- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs index 8200a58f31ff..fb3d17777a50 100644 --- a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs @@ -100,12 +100,12 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { move_site_vec.iter().map(|move_site| move_site.moi).collect(); if move_out_indices.is_empty() { - let root_place = PlaceRef { projection: &[], ..used_place }; + let root_local = used_place.local; - if !self.uninitialized_error_reported.insert(root_place) { + if !self.uninitialized_error_reported.insert(root_local) { debug!( "report_use_of_moved_or_uninitialized place: error about {:?} suppressed", - root_place + root_local ); return; } diff --git a/compiler/rustc_borrowck/src/lib.rs b/compiler/rustc_borrowck/src/lib.rs index 5c9826ecca73..b3b53e9cb79e 100644 --- a/compiler/rustc_borrowck/src/lib.rs +++ b/compiler/rustc_borrowck/src/lib.rs @@ -566,7 +566,7 @@ struct MirBorrowckCtxt<'cx, 'tcx> { fn_self_span_reported: FxIndexSet, /// This field keeps track of errors reported in the checking of uninitialized variables, /// so that we don't report seemingly duplicate errors. - uninitialized_error_reported: FxIndexSet>, + uninitialized_error_reported: FxIndexSet, /// This field keeps track of all the local variables that are declared mut and are mutated. /// Used for the warning issued by an unused mutable local variable. used_mut: FxIndexSet, From 17a9d3498b64180039faec901ccc51a75452a0e4 Mon Sep 17 00:00:00 2001 From: Scott McMurray Date: Tue, 11 Jun 2024 21:25:45 -0700 Subject: [PATCH 1570/1716] Add ub-checks to slice_index MIR-opt test --- tests/mir-opt/pre-codegen/slice_index.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tests/mir-opt/pre-codegen/slice_index.rs b/tests/mir-opt/pre-codegen/slice_index.rs index 04bbbff57b34..88b99777dd9b 100644 --- a/tests/mir-opt/pre-codegen/slice_index.rs +++ b/tests/mir-opt/pre-codegen/slice_index.rs @@ -1,5 +1,5 @@ // skip-filecheck -//@ compile-flags: -O -C debuginfo=0 -Zmir-opt-level=2 +//@ compile-flags: -O -C debuginfo=0 -Zmir-opt-level=2 -Z ub-checks=yes // EMIT_MIR_FOR_EACH_PANIC_STRATEGY #![crate_type = "lib"] From b8eb6ad03273d42d6a22ced57a46e5652fb35f1d Mon Sep 17 00:00:00 2001 From: Jubilee Young Date: Fri, 14 Jun 2024 22:38:52 -0700 Subject: [PATCH 1571/1716] std: suggest OnceLock over Once --- library/std/src/sync/mod.rs | 3 ++- library/std/src/sync/once.rs | 15 ++++++++++++--- 2 files changed, 14 insertions(+), 4 deletions(-) diff --git a/library/std/src/sync/mod.rs b/library/std/src/sync/mod.rs index 2a13b1a8ae2d..9a38c42f43a0 100644 --- a/library/std/src/sync/mod.rs +++ b/library/std/src/sync/mod.rs @@ -133,7 +133,8 @@ //! - [`Mutex`]: Mutual Exclusion mechanism, which ensures that at //! most one thread at a time is able to access some data. //! -//! - [`Once`]: Used for a thread-safe, one-time global initialization routine +//! - [`Once`]: Used for a thread-safe, one-time global initialization routine. +//! Mostly useful for implementing other types like `OnceLock`. //! //! - [`OnceLock`]: Used for thread-safe, one-time initialization of a //! variable, with potentially different initializers based on the caller. diff --git a/library/std/src/sync/once.rs b/library/std/src/sync/once.rs index 608229fd674d..9d969af8c6d8 100644 --- a/library/std/src/sync/once.rs +++ b/library/std/src/sync/once.rs @@ -10,9 +10,15 @@ use crate::fmt; use crate::panic::{RefUnwindSafe, UnwindSafe}; use crate::sys::sync as sys; -/// A synchronization primitive which can be used to run a one-time global -/// initialization. Useful for one-time initialization for FFI or related -/// functionality. This type can only be constructed with [`Once::new()`]. +/// A low-level synchronization primitive for one-time global execution. +/// +/// Previously this was the only "execute once" synchronization in `std`. +/// Other libraries implemented novel synchronizing types with `Once`, like +/// [`OnceLock`] or [`LazyLock`], before those were added to `std`. +/// `OnceLock` in particular supersedes `Once` in functionality and should +/// be preferred for the common case where the `Once` is associated with data. +/// +/// This type can only be constructed with [`Once::new()`]. /// /// # Examples /// @@ -25,6 +31,9 @@ use crate::sys::sync as sys; /// // run initialization here /// }); /// ``` +/// +/// [`OnceLock`]: crate::sync::OnceLock +/// [`LazyLock`]: crate::sync::LazyLock #[stable(feature = "rust1", since = "1.0.0")] pub struct Once { inner: sys::Once, From 297c97dbe087a9308eba2348fc86cad10f032ea6 Mon Sep 17 00:00:00 2001 From: Martin Nordholts Date: Sat, 15 Jun 2024 09:26:56 +0200 Subject: [PATCH 1572/1716] .mailmap: Associate both my work and my private email with me --- .mailmap | 1 + 1 file changed, 1 insertion(+) diff --git a/.mailmap b/.mailmap index 0bd16a797ca7..33673244be6d 100644 --- a/.mailmap +++ b/.mailmap @@ -379,6 +379,7 @@ Markus Westerlind Markus Martin Carton Martin Habovštiak Martin Hafskjold Thoresen +Martin Nordholts Matej Lach Matej Ľach Mateusz Mikuła Mateusz Mikuła From ab0e72781f6bccb1c033a7c79edaebc6124ac2b5 Mon Sep 17 00:00:00 2001 From: Urgau Date: Thu, 13 Jun 2024 17:08:04 +0200 Subject: [PATCH 1573/1716] Suggest standalone doctest for non-local impl defs --- compiler/rustc_lint/messages.ftl | 1 + compiler/rustc_lint/src/lints.rs | 5 ++ compiler/rustc_lint/src/non_local_def.rs | 84 ++++++++++--------- .../rustdoc-ui/doctest/auxiliary/pub_trait.rs | 1 + .../rustdoc-ui/doctest/non-local-defs-impl.rs | 31 +++++++ .../doctest/non-local-defs-impl.stdout | 37 ++++++++ 6 files changed, 121 insertions(+), 38 deletions(-) create mode 100644 tests/rustdoc-ui/doctest/auxiliary/pub_trait.rs create mode 100644 tests/rustdoc-ui/doctest/non-local-defs-impl.rs create mode 100644 tests/rustdoc-ui/doctest/non-local-defs-impl.stdout diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index 733c73bc3d07..7430f1fc13ae 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -548,6 +548,7 @@ lint_non_local_definitions_impl = non-local `impl` definition, `impl` blocks sho .without_trait = methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` .with_trait = an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` .bounds = `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + .doctest = make this doc-test a standalone test with its own `fn main() {"{"} ... {"}"}` .exception = items in an anonymous const item (`const _: () = {"{"} ... {"}"}`) are treated as in the same scope as the anonymous const's declaration .const_anon = use a const-anon item to suppress this lint diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index b377da31a581..6cc0a81aa4f6 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -1358,6 +1358,7 @@ pub enum NonLocalDefinitionsDiag { cargo_update: Option, const_anon: Option>, move_to: Option<(Span, Vec)>, + doctest: bool, may_remove: Option<(Span, String)>, has_trait: bool, self_ty_str: String, @@ -1383,6 +1384,7 @@ impl<'a> LintDiagnostic<'a, ()> for NonLocalDefinitionsDiag { cargo_update, const_anon, move_to, + doctest, may_remove, has_trait, self_ty_str, @@ -1411,6 +1413,9 @@ impl<'a> LintDiagnostic<'a, ()> for NonLocalDefinitionsDiag { } diag.span_help(ms, fluent::lint_non_local_definitions_impl_move_help); } + if doctest { + diag.help(fluent::lint_doctest); + } if let Some((span, part)) = may_remove { diag.arg("may_remove_part", part); diff --git a/compiler/rustc_lint/src/non_local_def.rs b/compiler/rustc_lint/src/non_local_def.rs index d7ffc34d824f..423862dcdbae 100644 --- a/compiler/rustc_lint/src/non_local_def.rs +++ b/compiler/rustc_lint/src/non_local_def.rs @@ -111,6 +111,12 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions { } }; + // determining if we are in a doctest context can't currently be determined + // by the code itself (there are no specific attributes), but fortunately rustdoc + // sets a perma-unstable env var for libtest so we just reuse that for now + let is_at_toplevel_doctest = + || self.body_depth == 2 && std::env::var("UNSTABLE_RUSTDOC_TEST_PATH").is_ok(); + match item.kind { ItemKind::Impl(impl_) => { // The RFC states: @@ -191,29 +197,6 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions { None }; - let mut collector = PathCollector { paths: Vec::new() }; - collector.visit_ty(&impl_.self_ty); - if let Some(of_trait) = &impl_.of_trait { - collector.visit_trait_ref(of_trait); - } - collector.visit_generics(&impl_.generics); - - let mut may_move: Vec = collector - .paths - .into_iter() - .filter_map(|path| { - if let Some(did) = path.res.opt_def_id() - && did_has_local_parent(did, cx.tcx, parent, parent_parent) - { - Some(cx.tcx.def_span(did)) - } else { - None - } - }) - .collect(); - may_move.sort(); - may_move.dedup(); - let const_anon = matches!(parent_def_kind, DefKind::Const | DefKind::Static { .. }) .then_some(span_for_const_anon_suggestion); @@ -248,14 +231,44 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions { } else { None }; - let move_to = if may_move.is_empty() { - ms.push_span_label( - cx.tcx.def_span(parent), - fluent::lint_non_local_definitions_impl_move_help, - ); - None + + let (doctest, move_to) = if is_at_toplevel_doctest() { + (true, None) } else { - Some((cx.tcx.def_span(parent), may_move)) + let mut collector = PathCollector { paths: Vec::new() }; + collector.visit_ty(&impl_.self_ty); + if let Some(of_trait) = &impl_.of_trait { + collector.visit_trait_ref(of_trait); + } + collector.visit_generics(&impl_.generics); + + let mut may_move: Vec = collector + .paths + .into_iter() + .filter_map(|path| { + if let Some(did) = path.res.opt_def_id() + && did_has_local_parent(did, cx.tcx, parent, parent_parent) + { + Some(cx.tcx.def_span(did)) + } else { + None + } + }) + .collect(); + may_move.sort(); + may_move.dedup(); + + let move_to = if may_move.is_empty() { + ms.push_span_label( + cx.tcx.def_span(parent), + fluent::lint_non_local_definitions_impl_move_help, + ); + None + } else { + Some((cx.tcx.def_span(parent), may_move)) + }; + + (false, move_to) }; cx.emit_span_lint( @@ -272,6 +285,7 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions { self_ty_str, of_trait_str, move_to, + doctest, may_remove, has_trait: impl_.of_trait.is_some(), }, @@ -280,12 +294,6 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions { ItemKind::Macro(_macro, MacroKind::Bang) if cx.tcx.has_attr(item.owner_id.def_id, sym::macro_export) => { - // determining we if are in a doctest context can't currently be determined - // by the code it-self (no specific attrs), but fortunatly rustdoc sets a - // perma-unstable env for libtest so we just re-use that env for now - let is_at_toplevel_doctest = - self.body_depth == 2 && std::env::var("UNSTABLE_RUSTDOC_TEST_PATH").is_ok(); - cx.emit_span_lint( NON_LOCAL_DEFINITIONS, item.span, @@ -296,8 +304,8 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions { .map(|s| s.to_ident_string()) .unwrap_or_else(|| "".to_string()), cargo_update: cargo_update(), - help: (!is_at_toplevel_doctest).then_some(()), - doctest_help: is_at_toplevel_doctest.then_some(()), + help: (!is_at_toplevel_doctest()).then_some(()), + doctest_help: is_at_toplevel_doctest().then_some(()), }, ) } diff --git a/tests/rustdoc-ui/doctest/auxiliary/pub_trait.rs b/tests/rustdoc-ui/doctest/auxiliary/pub_trait.rs new file mode 100644 index 000000000000..0a47fdc74d72 --- /dev/null +++ b/tests/rustdoc-ui/doctest/auxiliary/pub_trait.rs @@ -0,0 +1 @@ +pub trait Trait {} diff --git a/tests/rustdoc-ui/doctest/non-local-defs-impl.rs b/tests/rustdoc-ui/doctest/non-local-defs-impl.rs new file mode 100644 index 000000000000..c984e097c046 --- /dev/null +++ b/tests/rustdoc-ui/doctest/non-local-defs-impl.rs @@ -0,0 +1,31 @@ +//@ check-fail +//@ edition:2018 +//@ failure-status: 101 +//@ aux-build:pub_trait.rs +//@ compile-flags: --test --test-args --test-threads=1 +//@ normalize-stdout-test: "tests/rustdoc-ui/doctest" -> "$$DIR" +//@ normalize-stdout-test "finished in \d+\.\d+s" -> "finished in $$TIME" + +#![doc(test(attr(deny(non_local_definitions))))] +#![doc(test(attr(allow(dead_code))))] + +/// This will produce a warning: +/// ```rust,no_run +/// # extern crate pub_trait; +/// # use pub_trait::Trait; +/// +/// struct Local; +/// impl Trait for &Local {} +/// ``` +/// +/// But this shoudln't produce a warning: +/// ```rust,no_run +/// # extern crate pub_trait; +/// # use pub_trait::Trait; +/// +/// struct Local; +/// impl Trait for &Local {} +/// +/// # fn main() {} +/// ``` +pub fn doctest() {} diff --git a/tests/rustdoc-ui/doctest/non-local-defs-impl.stdout b/tests/rustdoc-ui/doctest/non-local-defs-impl.stdout new file mode 100644 index 000000000000..27797e22f8ec --- /dev/null +++ b/tests/rustdoc-ui/doctest/non-local-defs-impl.stdout @@ -0,0 +1,37 @@ + +running 2 tests +test $DIR/non-local-defs-impl.rs - doctest (line 13) - compile ... FAILED +test $DIR/non-local-defs-impl.rs - doctest (line 22) - compile ... ok + +failures: + +---- $DIR/non-local-defs-impl.rs - doctest (line 13) stdout ---- +error: non-local `impl` definition, `impl` blocks should be written at the same level as their item + --> $DIR/non-local-defs-impl.rs:18:1 + | +LL | impl Trait for &Local {} + | ^^^^^-----^^^^^------ + | | | + | | `&'_ Local` is not local + | | help: remove `&` to make the `impl` local + | `Trait` is not local + | + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` + = help: make this doc-test a standalone test with its own `fn main() { ... }` + = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue +note: the lint level is defined here + --> $DIR/non-local-defs-impl.rs:11:9 + | +LL | #![deny(non_local_definitions)] + | ^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 1 previous error + +Couldn't compile the test. + +failures: + $DIR/non-local-defs-impl.rs - doctest (line 13) + +test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in $TIME + From 94c282197d7081370d3fd538c66976fb41554cf6 Mon Sep 17 00:00:00 2001 From: Urgau Date: Thu, 13 Jun 2024 19:23:30 +0200 Subject: [PATCH 1574/1716] Also simplify macro_rules doctest code --- compiler/rustc_lint/src/lints.rs | 13 +++++-------- compiler/rustc_lint/src/non_local_def.rs | 3 +-- 2 files changed, 6 insertions(+), 10 deletions(-) diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index 6cc0a81aa4f6..1c983a516c85 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -1368,8 +1368,7 @@ pub enum NonLocalDefinitionsDiag { depth: u32, body_kind_descr: &'static str, body_name: String, - help: Option<()>, - doctest_help: Option<()>, + doctest: bool, cargo_update: Option, }, } @@ -1448,8 +1447,7 @@ impl<'a> LintDiagnostic<'a, ()> for NonLocalDefinitionsDiag { depth, body_kind_descr, body_name, - help, - doctest_help, + doctest, cargo_update, } => { diag.primary_message(fluent::lint_non_local_definitions_macro_rules); @@ -1457,11 +1455,10 @@ impl<'a> LintDiagnostic<'a, ()> for NonLocalDefinitionsDiag { diag.arg("body_kind_descr", body_kind_descr); diag.arg("body_name", body_name); - if let Some(()) = help { - diag.help(fluent::lint_help); - } - if let Some(()) = doctest_help { + if doctest { diag.help(fluent::lint_help_doctest); + } else { + diag.help(fluent::lint_help); } diag.note(fluent::lint_non_local); diff --git a/compiler/rustc_lint/src/non_local_def.rs b/compiler/rustc_lint/src/non_local_def.rs index 423862dcdbae..48d791a38596 100644 --- a/compiler/rustc_lint/src/non_local_def.rs +++ b/compiler/rustc_lint/src/non_local_def.rs @@ -304,8 +304,7 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions { .map(|s| s.to_ident_string()) .unwrap_or_else(|| "".to_string()), cargo_update: cargo_update(), - help: (!is_at_toplevel_doctest()).then_some(()), - doctest_help: is_at_toplevel_doctest().then_some(()), + doctest: is_at_toplevel_doctest(), }, ) } From a4eaf879823456d5ffa3177a27359b9a2b9134e3 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Sat, 15 Jun 2024 13:00:20 +0200 Subject: [PATCH 1575/1716] Migrate `run-make/dep-graph` to `rmake.rs` --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/dep-graph/Makefile | 12 ------------ tests/run-make/dep-graph/rmake.rs | 18 ++++++++++++++++++ 3 files changed, 18 insertions(+), 13 deletions(-) delete mode 100644 tests/run-make/dep-graph/Makefile create mode 100644 tests/run-make/dep-graph/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index be9df226d64e..df536cdc030e 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -25,7 +25,6 @@ run-make/cross-lang-lto-upstream-rlibs/Makefile run-make/cross-lang-lto/Makefile run-make/debug-assertions/Makefile run-make/debugger-visualizer-dep-info/Makefile -run-make/dep-graph/Makefile run-make/dep-info-doesnt-run-much/Makefile run-make/dep-info-spaces/Makefile run-make/dep-info/Makefile diff --git a/tests/run-make/dep-graph/Makefile b/tests/run-make/dep-graph/Makefile deleted file mode 100644 index d06333f4454b..000000000000 --- a/tests/run-make/dep-graph/Makefile +++ /dev/null @@ -1,12 +0,0 @@ -include ../tools.mk - -# ignore-cross-compile - -# Just verify that we successfully run and produce dep graphs when requested. - -all: - RUST_DEP_GRAPH=$(TMPDIR)/dep-graph $(RUSTC) \ - -Cincremental=$(TMPDIR)/incr \ - -Zquery-dep-graph -Zdump-dep-graph foo.rs - test -f $(TMPDIR)/dep-graph.txt - test -f $(TMPDIR)/dep-graph.dot diff --git a/tests/run-make/dep-graph/rmake.rs b/tests/run-make/dep-graph/rmake.rs new file mode 100644 index 000000000000..351418997f1d --- /dev/null +++ b/tests/run-make/dep-graph/rmake.rs @@ -0,0 +1,18 @@ +// Just verify that we successfully run and produce dep graphs when requested. + +//@ ignore-cross-compile + +use run_make_support::{path, rustc}; + +fn main() { + rustc() + .input("foo.rs") + .incremental(path("incr")) + .arg("-Zquery-dep-graph") + .arg("-Zdump-dep-graph") + .env("RUST_DEP_GRAPH", path("dep-graph")) + .run(); + + assert!(path("dep-graph.txt").is_file()); + assert!(path("dep-graph.dot").is_file()); +} From ea2ac347f0d45dd6d499cbd63213c1f3c4515d41 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E8=AE=B8=E6=9D=B0=E5=8F=8B=20Jieyou=20Xu=20=28Joe=29?= Date: Sat, 15 Jun 2024 15:50:00 +0000 Subject: [PATCH 1576/1716] trait_selection: remove extra words --- compiler/rustc_trait_selection/src/traits/coherence.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/compiler/rustc_trait_selection/src/traits/coherence.rs b/compiler/rustc_trait_selection/src/traits/coherence.rs index fc5c71252e1c..a4177d8a93f4 100644 --- a/compiler/rustc_trait_selection/src/traits/coherence.rs +++ b/compiler/rustc_trait_selection/src/traits/coherence.rs @@ -769,8 +769,8 @@ pub struct UncoveredTyParams<'tcx, T> { /// add "non-blanket" impls without breaking negative reasoning in dependent /// crates. This is the "rebalancing coherence" (RFC 1023) restriction. /// -/// For that, we only a allow crate to perform negative reasoning on -/// non-local-non-`#[fundamental]` only if there's a local key parameter as per (2). +/// For that, we only allow a crate to perform negative reasoning on +/// non-local-non-`#[fundamental]` if there's a local key parameter as per (2). /// /// Because we never perform negative reasoning generically (coherence does /// not involve type parameters), this can be interpreted as doing the full From 52242f2c7247f6a66786d044beb347ae2f9813e3 Mon Sep 17 00:00:00 2001 From: klensy Date: Sat, 15 Jun 2024 18:53:45 +0300 Subject: [PATCH 1577/1716] bump few deps --- Cargo.lock | 71 ++++++-------------------------- src/bootstrap/Cargo.lock | 30 ++++---------- src/tools/linkchecker/Cargo.toml | 2 +- 3 files changed, 22 insertions(+), 81 deletions(-) diff --git a/Cargo.lock b/Cargo.lock index 699e5ebf754f..be903baf8699 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -87,7 +87,7 @@ version = "4.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "1ab99eae5ee58501ab236beb6f20f6ca39be615267b014899c89b2f0bc18a459" dependencies = [ - "html5ever 0.27.0", + "html5ever", "maplit", "once_cell", "tendril", @@ -542,7 +542,7 @@ checksum = "93698b29de5e97ad0ae26447b344c482a7284c737d9ddc5f9e52b74a336671bb" dependencies = [ "chrono", "chrono-tz-build", - "phf 0.11.2", + "phf", ] [[package]] @@ -552,8 +552,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "0c088aee841df9c3041febbb73934cfc39708749bf96dc827e3359cd39ef11b1" dependencies = [ "parse-zoneinfo", - "phf 0.11.2", - "phf_codegen 0.11.2", + "phf", + "phf_codegen", ] [[package]] @@ -1083,13 +1083,13 @@ dependencies = [ [[package]] name = "derive_more" -version = "0.99.17" +version = "0.99.18" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4fb810d30a7c1953f91334de7244731fc3f3c10d7fe163338a35b9f640960321" +checksum = "5f33878137e4dafd7fa914ad4e259e18a4e8e532b9617a2d0150262bf53abfce" dependencies = [ "proc-macro2", "quote", - "syn 1.0.109", + "syn 2.0.66", ] [[package]] @@ -1738,20 +1738,6 @@ dependencies = [ "utf8-width", ] -[[package]] -name = "html5ever" -version = "0.26.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "bea68cab48b8459f17cf1c944c67ddc572d272d9f2b274140f223ecb1da4a3b7" -dependencies = [ - "log", - "mac", - "markup5ever 0.11.0", - "proc-macro2", - "quote", - "syn 1.0.109", -] - [[package]] name = "html5ever" version = "0.27.0" @@ -1760,7 +1746,7 @@ checksum = "c13771afe0e6e846f1e67d038d4cb29998a6779f93c809212e4e9c32efd244d4" dependencies = [ "log", "mac", - "markup5ever 0.12.1", + "markup5ever", "proc-macro2", "quote", "syn 2.0.66", @@ -2181,7 +2167,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "0c2a198fb6b0eada2a8df47933734e6d35d350665a33a3593d7164fa52c75c19" dependencies = [ "cfg-if", - "windows-targets 0.52.5", + "windows-targets 0.48.5", ] [[package]] @@ -2231,7 +2217,7 @@ dependencies = [ name = "linkchecker" version = "0.1.0" dependencies = [ - "html5ever 0.26.0", + "html5ever", "regex", ] @@ -2316,20 +2302,6 @@ version = "1.0.2" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "3e2e65a1a2e43cfcb47a895c4c8b10d1f4a61097f9f254f183aee60cad9c651d" -[[package]] -name = "markup5ever" -version = "0.11.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "7a2629bb1404f3d34c2e921f21fd34ba00b206124c81f65c50b43b6aaefeb016" -dependencies = [ - "log", - "phf 0.10.1", - "phf_codegen 0.10.0", - "string_cache", - "string_cache_codegen", - "tendril", -] - [[package]] name = "markup5ever" version = "0.12.1" @@ -2337,8 +2309,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "16ce3abbeba692c8b8441d036ef91aea6df8da2c6b6e21c7e14d3c18e526be45" dependencies = [ "log", - "phf 0.11.2", - "phf_codegen 0.11.2", + "phf", + "phf_codegen", "string_cache", "string_cache_codegen", "tendril", @@ -2951,15 +2923,6 @@ dependencies = [ "sha2", ] -[[package]] -name = "phf" -version = "0.10.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "fabbf1ead8a5bcbc20f5f8b939ee3f5b0f6f281b6ad3468b84656b658b455259" -dependencies = [ - "phf_shared 0.10.0", -] - [[package]] name = "phf" version = "0.11.2" @@ -2969,16 +2932,6 @@ dependencies = [ "phf_shared 0.11.2", ] -[[package]] -name = "phf_codegen" -version = "0.10.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4fb1c3a8bc4dd4e5cfce29b44ffc14bedd2ee294559a294e2a4d4c9e9a6a13cd" -dependencies = [ - "phf_generator 0.10.0", - "phf_shared 0.10.0", -] - [[package]] name = "phf_codegen" version = "0.11.2" diff --git a/src/bootstrap/Cargo.lock b/src/bootstrap/Cargo.lock index 127699b86411..9c24742cff1f 100644 --- a/src/bootstrap/Cargo.lock +++ b/src/bootstrap/Cargo.lock @@ -17,12 +17,6 @@ version = "1.0.4" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "7079075b41f533b8c61d2a4d073c4676e1f8b249ff94a393b0595db304e0dd87" -[[package]] -name = "autocfg" -version = "1.1.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa" - [[package]] name = "bitflags" version = "1.3.2" @@ -181,34 +175,28 @@ dependencies = [ [[package]] name = "crossbeam-deque" -version = "0.8.4" +version = "0.8.5" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "fca89a0e215bab21874660c67903c5f143333cab1da83d041c7ded6053774751" +checksum = "613f8cc01fe9cf1a3eb3d7f488fd2fa8388403e97039e2f73692932e291a770d" dependencies = [ - "cfg-if", "crossbeam-epoch", "crossbeam-utils", ] [[package]] name = "crossbeam-epoch" -version = "0.9.17" +version = "0.9.18" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "0e3681d554572a651dda4186cd47240627c3d0114d45a95f6ad27f2f22e7548d" +checksum = "5b82ac4a3c2ca9c3460964f020e1402edd5753411d7737aa39c3714ad1b5420e" dependencies = [ - "autocfg", - "cfg-if", "crossbeam-utils", ] [[package]] name = "crossbeam-utils" -version = "0.8.18" +version = "0.8.20" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "c3a430a770ebd84726f584a90ee7f020d28db52c6d02138900f22341f866d39c" -dependencies = [ - "cfg-if", -] +checksum = "22ec99545bb0ed0ea7bb9b8e1e9122ea386ff8a48c0922e43f36d45ab09e0e80" [[package]] name = "crypto-common" @@ -331,12 +319,12 @@ checksum = "b1a46d1a171d865aa5f83f92695765caa047a9b4cbae2cbf37dbd613a793fd4c" [[package]] name = "junction" -version = "1.0.0" +version = "1.1.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ca39ef0d69b18e6a2fd14c2f0a1d593200f4a4ed949b240b5917ab51fac754cb" +checksum = "1c9c415a9b7b1e86cd5738f39d34c9e78c765da7fb1756dbd7d31b3b0d2e7afa" dependencies = [ "scopeguard", - "winapi", + "windows-sys", ] [[package]] diff --git a/src/tools/linkchecker/Cargo.toml b/src/tools/linkchecker/Cargo.toml index 05049aabc7d9..f1be6e9e749d 100644 --- a/src/tools/linkchecker/Cargo.toml +++ b/src/tools/linkchecker/Cargo.toml @@ -9,4 +9,4 @@ path = "main.rs" [dependencies] regex = "1" -html5ever = "0.26.0" +html5ever = "0.27.0" From b717aa1b95eb0ad62c4e2c3e2079b78cab00793a Mon Sep 17 00:00:00 2001 From: Martin Nordholts Date: Sat, 15 Jun 2024 17:45:58 +0200 Subject: [PATCH 1578/1716] tests/ui/lint: Move 19 tests to new `non-snake-case` subdir Mainly so that it is easier to only run all `non-snake-case`-specific tests but no other tests with: ./x test tests/ui/lint/non-snake-case But also to reduce the size of the large `tests/ui/lint` directory. And rename some tests to pass tidy, and remove them from `src/tools/tidy/src/issues.txt`. --- src/tools/tidy/src/issues.txt | 3 --- ...llow-snake-case-field-destructuring-issue-89469.rs} | 0 .../lint-non-snake-case-crate-bin.rs | 0 .../lint-non-snake-case-crate-bin2.rs | 0 .../lint-non-snake-case-crate-bin3.rs | 0 .../lint-non-snake-case-crate-cdylib.rs | 0 .../lint-non-snake-case-crate-cdylib.stderr | 0 .../lint-non-snake-case-crate-dylib.rs | 0 .../lint-non-snake-case-crate-dylib.stderr | 0 .../lint-non-snake-case-crate-lib.rs | 0 .../lint-non-snake-case-crate-lib.stderr | 0 .../lint-non-snake-case-crate-proc-macro.rs | 0 .../lint-non-snake-case-crate-proc-macro.stderr | 0 .../lint-non-snake-case-crate-rlib.rs | 0 .../lint-non-snake-case-crate-rlib.stderr | 0 .../lint-non-snake-case-crate-staticlib.rs | 0 .../lint-non-snake-case-crate-staticlib.stderr | 0 .../lint-non-snake-case-functions.rs | 0 .../lint-non-snake-case-functions.stderr | 0 ...t-non-snake-case-identifiers-suggestion-reserved.rs | 0 ...n-snake-case-identifiers-suggestion-reserved.stderr | 0 .../lint-non-snake-case-lifetimes.rs | 0 .../lint-non-snake-case-lifetimes.stderr | 0 .../lint-non-snake-case-modules.rs | 0 .../lint-non-snake-case-modules.stderr | 0 .../lint-non-snake-case-no-lowercase-equivalent.rs | 0 .../lint-nonstandard-style-unicode-2.rs | 0 .../lint-nonstandard-style-unicode-2.stderr | 0 .../{ => non-snake-case}/lint-uppercase-variables.rs | 0 .../lint-uppercase-variables.stderr | 0 ...o-snake-case-warning-for-field-puns-issue-66362.rs} | 0 ...ake-case-warning-for-field-puns-issue-66362.stderr} | 10 +++++----- .../non-snake-ffi-issue-31924.rs} | 0 33 files changed, 5 insertions(+), 8 deletions(-) rename tests/ui/lint/{issue-89469.rs => non-snake-case/allow-snake-case-field-destructuring-issue-89469.rs} (100%) rename tests/ui/lint/{ => non-snake-case}/lint-non-snake-case-crate-bin.rs (100%) rename tests/ui/lint/{ => non-snake-case}/lint-non-snake-case-crate-bin2.rs (100%) rename tests/ui/lint/{ => non-snake-case}/lint-non-snake-case-crate-bin3.rs (100%) rename tests/ui/lint/{ => non-snake-case}/lint-non-snake-case-crate-cdylib.rs (100%) rename tests/ui/lint/{ => non-snake-case}/lint-non-snake-case-crate-cdylib.stderr (100%) rename tests/ui/lint/{ => non-snake-case}/lint-non-snake-case-crate-dylib.rs (100%) rename tests/ui/lint/{ => non-snake-case}/lint-non-snake-case-crate-dylib.stderr (100%) rename tests/ui/lint/{ => non-snake-case}/lint-non-snake-case-crate-lib.rs (100%) rename tests/ui/lint/{ => non-snake-case}/lint-non-snake-case-crate-lib.stderr (100%) rename tests/ui/lint/{ => non-snake-case}/lint-non-snake-case-crate-proc-macro.rs (100%) rename tests/ui/lint/{ => non-snake-case}/lint-non-snake-case-crate-proc-macro.stderr (100%) rename tests/ui/lint/{ => non-snake-case}/lint-non-snake-case-crate-rlib.rs (100%) rename tests/ui/lint/{ => non-snake-case}/lint-non-snake-case-crate-rlib.stderr (100%) rename tests/ui/lint/{ => non-snake-case}/lint-non-snake-case-crate-staticlib.rs (100%) rename tests/ui/lint/{ => non-snake-case}/lint-non-snake-case-crate-staticlib.stderr (100%) rename tests/ui/lint/{ => non-snake-case}/lint-non-snake-case-functions.rs (100%) rename tests/ui/lint/{ => non-snake-case}/lint-non-snake-case-functions.stderr (100%) rename tests/ui/lint/{ => non-snake-case}/lint-non-snake-case-identifiers-suggestion-reserved.rs (100%) rename tests/ui/lint/{ => non-snake-case}/lint-non-snake-case-identifiers-suggestion-reserved.stderr (100%) rename tests/ui/lint/{ => non-snake-case}/lint-non-snake-case-lifetimes.rs (100%) rename tests/ui/lint/{ => non-snake-case}/lint-non-snake-case-lifetimes.stderr (100%) rename tests/ui/lint/{ => non-snake-case}/lint-non-snake-case-modules.rs (100%) rename tests/ui/lint/{ => non-snake-case}/lint-non-snake-case-modules.stderr (100%) rename tests/ui/lint/{ => non-snake-case}/lint-non-snake-case-no-lowercase-equivalent.rs (100%) rename tests/ui/lint/{ => non-snake-case}/lint-nonstandard-style-unicode-2.rs (100%) rename tests/ui/lint/{ => non-snake-case}/lint-nonstandard-style-unicode-2.stderr (100%) rename tests/ui/lint/{ => non-snake-case}/lint-uppercase-variables.rs (100%) rename tests/ui/lint/{ => non-snake-case}/lint-uppercase-variables.stderr (100%) rename tests/ui/lint/{issue-66362-no-snake-case-warning-for-field-puns.rs => non-snake-case/no-snake-case-warning-for-field-puns-issue-66362.rs} (100%) rename tests/ui/lint/{issue-66362-no-snake-case-warning-for-field-puns.stderr => non-snake-case/no-snake-case-warning-for-field-puns-issue-66362.stderr} (80%) rename tests/ui/lint/{issue-31924-non-snake-ffi.rs => non-snake-case/non-snake-ffi-issue-31924.rs} (100%) diff --git a/src/tools/tidy/src/issues.txt b/src/tools/tidy/src/issues.txt index a6ba8959f0c5..3c7284ce6db6 100644 --- a/src/tools/tidy/src/issues.txt +++ b/src/tools/tidy/src/issues.txt @@ -2760,7 +2760,6 @@ ui/lint/issue-1866.rs ui/lint/issue-19102.rs ui/lint/issue-20343.rs ui/lint/issue-30302.rs -ui/lint/issue-31924-non-snake-ffi.rs ui/lint/issue-34798.rs ui/lint/issue-35075.rs ui/lint/issue-47775-nested-macro-unnecessary-parens-arg.rs @@ -2769,7 +2768,6 @@ ui/lint/issue-54099-camel-case-underscore-types.rs ui/lint/issue-57410-1.rs ui/lint/issue-57410.rs ui/lint/issue-63364.rs -ui/lint/issue-66362-no-snake-case-warning-for-field-puns.rs ui/lint/issue-70819-dont-override-forbid-in-same-scope.rs ui/lint/issue-79546-fuel-ice.rs ui/lint/issue-79744.rs @@ -2777,7 +2775,6 @@ ui/lint/issue-80988.rs ui/lint/issue-81218.rs ui/lint/issue-83477.rs ui/lint/issue-87274-paren-parent.rs -ui/lint/issue-89469.rs ui/lint/issue-90614-accept-allow-text-direction-codepoint-in-comment-lint.rs ui/lint/issue-97094.rs ui/lint/issue-99387.rs diff --git a/tests/ui/lint/issue-89469.rs b/tests/ui/lint/non-snake-case/allow-snake-case-field-destructuring-issue-89469.rs similarity index 100% rename from tests/ui/lint/issue-89469.rs rename to tests/ui/lint/non-snake-case/allow-snake-case-field-destructuring-issue-89469.rs diff --git a/tests/ui/lint/lint-non-snake-case-crate-bin.rs b/tests/ui/lint/non-snake-case/lint-non-snake-case-crate-bin.rs similarity index 100% rename from tests/ui/lint/lint-non-snake-case-crate-bin.rs rename to tests/ui/lint/non-snake-case/lint-non-snake-case-crate-bin.rs diff --git a/tests/ui/lint/lint-non-snake-case-crate-bin2.rs b/tests/ui/lint/non-snake-case/lint-non-snake-case-crate-bin2.rs similarity index 100% rename from tests/ui/lint/lint-non-snake-case-crate-bin2.rs rename to tests/ui/lint/non-snake-case/lint-non-snake-case-crate-bin2.rs diff --git a/tests/ui/lint/lint-non-snake-case-crate-bin3.rs b/tests/ui/lint/non-snake-case/lint-non-snake-case-crate-bin3.rs similarity index 100% rename from tests/ui/lint/lint-non-snake-case-crate-bin3.rs rename to tests/ui/lint/non-snake-case/lint-non-snake-case-crate-bin3.rs diff --git a/tests/ui/lint/lint-non-snake-case-crate-cdylib.rs b/tests/ui/lint/non-snake-case/lint-non-snake-case-crate-cdylib.rs similarity index 100% rename from tests/ui/lint/lint-non-snake-case-crate-cdylib.rs rename to tests/ui/lint/non-snake-case/lint-non-snake-case-crate-cdylib.rs diff --git a/tests/ui/lint/lint-non-snake-case-crate-cdylib.stderr b/tests/ui/lint/non-snake-case/lint-non-snake-case-crate-cdylib.stderr similarity index 100% rename from tests/ui/lint/lint-non-snake-case-crate-cdylib.stderr rename to tests/ui/lint/non-snake-case/lint-non-snake-case-crate-cdylib.stderr diff --git a/tests/ui/lint/lint-non-snake-case-crate-dylib.rs b/tests/ui/lint/non-snake-case/lint-non-snake-case-crate-dylib.rs similarity index 100% rename from tests/ui/lint/lint-non-snake-case-crate-dylib.rs rename to tests/ui/lint/non-snake-case/lint-non-snake-case-crate-dylib.rs diff --git a/tests/ui/lint/lint-non-snake-case-crate-dylib.stderr b/tests/ui/lint/non-snake-case/lint-non-snake-case-crate-dylib.stderr similarity index 100% rename from tests/ui/lint/lint-non-snake-case-crate-dylib.stderr rename to tests/ui/lint/non-snake-case/lint-non-snake-case-crate-dylib.stderr diff --git a/tests/ui/lint/lint-non-snake-case-crate-lib.rs b/tests/ui/lint/non-snake-case/lint-non-snake-case-crate-lib.rs similarity index 100% rename from tests/ui/lint/lint-non-snake-case-crate-lib.rs rename to tests/ui/lint/non-snake-case/lint-non-snake-case-crate-lib.rs diff --git a/tests/ui/lint/lint-non-snake-case-crate-lib.stderr b/tests/ui/lint/non-snake-case/lint-non-snake-case-crate-lib.stderr similarity index 100% rename from tests/ui/lint/lint-non-snake-case-crate-lib.stderr rename to tests/ui/lint/non-snake-case/lint-non-snake-case-crate-lib.stderr diff --git a/tests/ui/lint/lint-non-snake-case-crate-proc-macro.rs b/tests/ui/lint/non-snake-case/lint-non-snake-case-crate-proc-macro.rs similarity index 100% rename from tests/ui/lint/lint-non-snake-case-crate-proc-macro.rs rename to tests/ui/lint/non-snake-case/lint-non-snake-case-crate-proc-macro.rs diff --git a/tests/ui/lint/lint-non-snake-case-crate-proc-macro.stderr b/tests/ui/lint/non-snake-case/lint-non-snake-case-crate-proc-macro.stderr similarity index 100% rename from tests/ui/lint/lint-non-snake-case-crate-proc-macro.stderr rename to tests/ui/lint/non-snake-case/lint-non-snake-case-crate-proc-macro.stderr diff --git a/tests/ui/lint/lint-non-snake-case-crate-rlib.rs b/tests/ui/lint/non-snake-case/lint-non-snake-case-crate-rlib.rs similarity index 100% rename from tests/ui/lint/lint-non-snake-case-crate-rlib.rs rename to tests/ui/lint/non-snake-case/lint-non-snake-case-crate-rlib.rs diff --git a/tests/ui/lint/lint-non-snake-case-crate-rlib.stderr b/tests/ui/lint/non-snake-case/lint-non-snake-case-crate-rlib.stderr similarity index 100% rename from tests/ui/lint/lint-non-snake-case-crate-rlib.stderr rename to tests/ui/lint/non-snake-case/lint-non-snake-case-crate-rlib.stderr diff --git a/tests/ui/lint/lint-non-snake-case-crate-staticlib.rs b/tests/ui/lint/non-snake-case/lint-non-snake-case-crate-staticlib.rs similarity index 100% rename from tests/ui/lint/lint-non-snake-case-crate-staticlib.rs rename to tests/ui/lint/non-snake-case/lint-non-snake-case-crate-staticlib.rs diff --git a/tests/ui/lint/lint-non-snake-case-crate-staticlib.stderr b/tests/ui/lint/non-snake-case/lint-non-snake-case-crate-staticlib.stderr similarity index 100% rename from tests/ui/lint/lint-non-snake-case-crate-staticlib.stderr rename to tests/ui/lint/non-snake-case/lint-non-snake-case-crate-staticlib.stderr diff --git a/tests/ui/lint/lint-non-snake-case-functions.rs b/tests/ui/lint/non-snake-case/lint-non-snake-case-functions.rs similarity index 100% rename from tests/ui/lint/lint-non-snake-case-functions.rs rename to tests/ui/lint/non-snake-case/lint-non-snake-case-functions.rs diff --git a/tests/ui/lint/lint-non-snake-case-functions.stderr b/tests/ui/lint/non-snake-case/lint-non-snake-case-functions.stderr similarity index 100% rename from tests/ui/lint/lint-non-snake-case-functions.stderr rename to tests/ui/lint/non-snake-case/lint-non-snake-case-functions.stderr diff --git a/tests/ui/lint/lint-non-snake-case-identifiers-suggestion-reserved.rs b/tests/ui/lint/non-snake-case/lint-non-snake-case-identifiers-suggestion-reserved.rs similarity index 100% rename from tests/ui/lint/lint-non-snake-case-identifiers-suggestion-reserved.rs rename to tests/ui/lint/non-snake-case/lint-non-snake-case-identifiers-suggestion-reserved.rs diff --git a/tests/ui/lint/lint-non-snake-case-identifiers-suggestion-reserved.stderr b/tests/ui/lint/non-snake-case/lint-non-snake-case-identifiers-suggestion-reserved.stderr similarity index 100% rename from tests/ui/lint/lint-non-snake-case-identifiers-suggestion-reserved.stderr rename to tests/ui/lint/non-snake-case/lint-non-snake-case-identifiers-suggestion-reserved.stderr diff --git a/tests/ui/lint/lint-non-snake-case-lifetimes.rs b/tests/ui/lint/non-snake-case/lint-non-snake-case-lifetimes.rs similarity index 100% rename from tests/ui/lint/lint-non-snake-case-lifetimes.rs rename to tests/ui/lint/non-snake-case/lint-non-snake-case-lifetimes.rs diff --git a/tests/ui/lint/lint-non-snake-case-lifetimes.stderr b/tests/ui/lint/non-snake-case/lint-non-snake-case-lifetimes.stderr similarity index 100% rename from tests/ui/lint/lint-non-snake-case-lifetimes.stderr rename to tests/ui/lint/non-snake-case/lint-non-snake-case-lifetimes.stderr diff --git a/tests/ui/lint/lint-non-snake-case-modules.rs b/tests/ui/lint/non-snake-case/lint-non-snake-case-modules.rs similarity index 100% rename from tests/ui/lint/lint-non-snake-case-modules.rs rename to tests/ui/lint/non-snake-case/lint-non-snake-case-modules.rs diff --git a/tests/ui/lint/lint-non-snake-case-modules.stderr b/tests/ui/lint/non-snake-case/lint-non-snake-case-modules.stderr similarity index 100% rename from tests/ui/lint/lint-non-snake-case-modules.stderr rename to tests/ui/lint/non-snake-case/lint-non-snake-case-modules.stderr diff --git a/tests/ui/lint/lint-non-snake-case-no-lowercase-equivalent.rs b/tests/ui/lint/non-snake-case/lint-non-snake-case-no-lowercase-equivalent.rs similarity index 100% rename from tests/ui/lint/lint-non-snake-case-no-lowercase-equivalent.rs rename to tests/ui/lint/non-snake-case/lint-non-snake-case-no-lowercase-equivalent.rs diff --git a/tests/ui/lint/lint-nonstandard-style-unicode-2.rs b/tests/ui/lint/non-snake-case/lint-nonstandard-style-unicode-2.rs similarity index 100% rename from tests/ui/lint/lint-nonstandard-style-unicode-2.rs rename to tests/ui/lint/non-snake-case/lint-nonstandard-style-unicode-2.rs diff --git a/tests/ui/lint/lint-nonstandard-style-unicode-2.stderr b/tests/ui/lint/non-snake-case/lint-nonstandard-style-unicode-2.stderr similarity index 100% rename from tests/ui/lint/lint-nonstandard-style-unicode-2.stderr rename to tests/ui/lint/non-snake-case/lint-nonstandard-style-unicode-2.stderr diff --git a/tests/ui/lint/lint-uppercase-variables.rs b/tests/ui/lint/non-snake-case/lint-uppercase-variables.rs similarity index 100% rename from tests/ui/lint/lint-uppercase-variables.rs rename to tests/ui/lint/non-snake-case/lint-uppercase-variables.rs diff --git a/tests/ui/lint/lint-uppercase-variables.stderr b/tests/ui/lint/non-snake-case/lint-uppercase-variables.stderr similarity index 100% rename from tests/ui/lint/lint-uppercase-variables.stderr rename to tests/ui/lint/non-snake-case/lint-uppercase-variables.stderr diff --git a/tests/ui/lint/issue-66362-no-snake-case-warning-for-field-puns.rs b/tests/ui/lint/non-snake-case/no-snake-case-warning-for-field-puns-issue-66362.rs similarity index 100% rename from tests/ui/lint/issue-66362-no-snake-case-warning-for-field-puns.rs rename to tests/ui/lint/non-snake-case/no-snake-case-warning-for-field-puns-issue-66362.rs diff --git a/tests/ui/lint/issue-66362-no-snake-case-warning-for-field-puns.stderr b/tests/ui/lint/non-snake-case/no-snake-case-warning-for-field-puns-issue-66362.stderr similarity index 80% rename from tests/ui/lint/issue-66362-no-snake-case-warning-for-field-puns.stderr rename to tests/ui/lint/non-snake-case/no-snake-case-warning-for-field-puns-issue-66362.stderr index 09dc3640f99a..cbbcf9909185 100644 --- a/tests/ui/lint/issue-66362-no-snake-case-warning-for-field-puns.stderr +++ b/tests/ui/lint/non-snake-case/no-snake-case-warning-for-field-puns-issue-66362.stderr @@ -1,29 +1,29 @@ error: structure field `lowerCamelCaseName` should have a snake case name - --> $DIR/issue-66362-no-snake-case-warning-for-field-puns.rs:7:9 + --> $DIR/no-snake-case-warning-for-field-puns-issue-66362.rs:7:9 | LL | lowerCamelCaseName: bool, | ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `lower_camel_case_name` | note: the lint level is defined here - --> $DIR/issue-66362-no-snake-case-warning-for-field-puns.rs:1:9 + --> $DIR/no-snake-case-warning-for-field-puns-issue-66362.rs:1:9 | LL | #![deny(non_snake_case)] | ^^^^^^^^^^^^^^ error: variable `lowerCamelCaseBinding` should have a snake case name - --> $DIR/issue-66362-no-snake-case-warning-for-field-puns.rs:20:38 + --> $DIR/no-snake-case-warning-for-field-puns-issue-66362.rs:20:38 | LL | Foo::Good { snake_case_name: lowerCamelCaseBinding } => { } | ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `lower_camel_case_binding` error: variable `anotherLowerCamelCaseBinding` should have a snake case name - --> $DIR/issue-66362-no-snake-case-warning-for-field-puns.rs:24:41 + --> $DIR/no-snake-case-warning-for-field-puns-issue-66362.rs:24:41 | LL | if let Foo::Good { snake_case_name: anotherLowerCamelCaseBinding } = b { } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `another_lower_camel_case_binding` error: variable `yetAnotherLowerCamelCaseBinding` should have a snake case name - --> $DIR/issue-66362-no-snake-case-warning-for-field-puns.rs:27:43 + --> $DIR/no-snake-case-warning-for-field-puns-issue-66362.rs:27:43 | LL | if let Foo::Bad { lowerCamelCaseName: yetAnotherLowerCamelCaseBinding } = b { } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `yet_another_lower_camel_case_binding` diff --git a/tests/ui/lint/issue-31924-non-snake-ffi.rs b/tests/ui/lint/non-snake-case/non-snake-ffi-issue-31924.rs similarity index 100% rename from tests/ui/lint/issue-31924-non-snake-ffi.rs rename to tests/ui/lint/non-snake-case/non-snake-ffi-issue-31924.rs From d69f08853827fdec134d2be93d21a0e797ea619e Mon Sep 17 00:00:00 2001 From: klensy Date: Sat, 15 Jun 2024 20:36:54 +0300 Subject: [PATCH 1579/1716] fix build with html5ever bump --- src/tools/linkchecker/main.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/linkchecker/main.rs b/src/tools/linkchecker/main.rs index 32f935de7302..7321bd1bb52f 100644 --- a/src/tools/linkchecker/main.rs +++ b/src/tools/linkchecker/main.rs @@ -503,7 +503,7 @@ fn maybe_redirect(source: &str) -> Option { fn parse_html(source: &str, sink: Sink) -> Sink { let tendril: ByteTendril = source.as_bytes().into(); - let mut input = BufferQueue::new(); + let mut input = BufferQueue::default(); input.push_back(tendril.try_reinterpret().unwrap()); let mut tok = Tokenizer::new(sink, TokenizerOpts::default()); From 6cce48838b230ed429cb8e69d207993ebff00dd7 Mon Sep 17 00:00:00 2001 From: Slanterns Date: Sun, 16 Jun 2024 06:31:37 +0800 Subject: [PATCH 1580/1716] update comment --- library/core/src/error.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/library/core/src/error.rs b/library/core/src/error.rs index 042a8c9925f3..150e4f3f3185 100644 --- a/library/core/src/error.rs +++ b/library/core/src/error.rs @@ -928,7 +928,7 @@ pub(crate) mod tags { /// An `Option` with a type tag `I`. /// /// Since this struct implements `Erased`, the type can be erased to make a dynamically typed -/// option. The type can be checked dynamically using `Erased::tag_id` and since this is statically +/// option. The type can be checked dynamically using `Tagged::tag_id` and since this is statically /// checked for the concrete type, there is some degree of type safety. #[repr(transparent)] pub(crate) struct TaggedOption<'a, I: tags::Type<'a>>(pub Option); From 240478383bfa73e165bb677e6d5ecafe48523f45 Mon Sep 17 00:00:00 2001 From: Slanterns Date: Sun, 16 Jun 2024 07:43:08 +0800 Subject: [PATCH 1581/1716] add codegen test for `Error::provide` --- tests/codegen/error-provide.rs | 48 ++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 tests/codegen/error-provide.rs diff --git a/tests/codegen/error-provide.rs b/tests/codegen/error-provide.rs new file mode 100644 index 000000000000..e80905eee110 --- /dev/null +++ b/tests/codegen/error-provide.rs @@ -0,0 +1,48 @@ +// Codegen test for #126242 + +//@ compile-flags: -O +#![crate_type = "lib"] +#![feature(error_generic_member_access)] +use std::error::Request; +use std::fmt; + +#[derive(Debug)] +struct MyBacktrace1 {} + +#[derive(Debug)] +struct MyBacktrace2 {} + +#[derive(Debug)] +struct MyBacktrace3 {} + +#[derive(Debug)] +struct MyError { + backtrace1: MyBacktrace1, + backtrace2: MyBacktrace2, + backtrace3: MyBacktrace3, + other: MyBacktrace3, +} + +impl fmt::Display for MyError { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + write!(f, "Example Error") + } +} + +impl std::error::Error for MyError { + // CHECK-LABEL: @provide + #[no_mangle] + fn provide<'a>(&'a self, request: &mut Request<'a>) { + // LLVM should be able to optimize multiple .provide_* calls into a switch table + // and eliminate redundant ones, rather than compare one-by-one. + + // CHECK: switch i64 %{{.*}}, label %{{.*}} [ + // CHECK-COUNT-3: i64 {{.*}}, label %{{.*}} + // CHECK-NEXT: ] + request + .provide_ref::(&self.backtrace1) + .provide_ref::(&self.other) + .provide_ref::(&self.backtrace2) + .provide_ref::(&self.backtrace3); + } +} From 729ed8194f01f2b2e97fbb874c360bf52884e785 Mon Sep 17 00:00:00 2001 From: github-actions Date: Sun, 16 Jun 2024 00:18:06 +0000 Subject: [PATCH 1582/1716] cargo update Locking 18 packages to latest compatible versions Updating annotate-snippets v0.11.3 -> v0.11.4 Updating clap v4.5.6 -> v4.5.7 Updating clap_builder v4.5.6 -> v4.5.7 Updating derive_more v0.99.17 -> v0.99.18 Adding icu_collections v1.5.0 Adding icu_normalizer v1.5.0 Adding icu_normalizer_data v1.5.0 Adding icu_properties v1.5.0 Adding icu_properties_data v1.5.0 Updating idna v0.5.0 -> v1.0.0 Updating mdbook-i18n-helpers v0.3.3 -> v0.3.4 Updating redox_syscall v0.5.1 -> v0.5.2 Updating regex-lite v0.1.5 -> v0.1.6 Updating regex-syntax v0.8.3 -> v0.8.4 Removing unicode-bidi v0.3.15 Updating url v2.5.0 -> v2.5.1 Adding utf16_iter v1.0.5 Adding utf8_iter v1.0.4 Adding write16 v1.0.0 note: pass `--verbose` to see 88 unchanged dependencies behind latest --- Cargo.lock | 137 ++++++++++++++++++++++++++++++++++++++++------------- 1 file changed, 104 insertions(+), 33 deletions(-) diff --git a/Cargo.lock b/Cargo.lock index 138e00adc49c..28231a4c5ff7 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -131,9 +131,9 @@ dependencies = [ [[package]] name = "annotate-snippets" -version = "0.11.3" +version = "0.11.4" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "086b0afab3b349e5691143adbfb26983821e3eec4ba4c51957104d372c2e1b7d" +checksum = "24e35ed54e5ea7997c14ed4c70ba043478db1112e98263b3b035907aa197d991" dependencies = [ "anstyle", "unicode-width", @@ -568,9 +568,9 @@ dependencies = [ [[package]] name = "clap" -version = "4.5.6" +version = "4.5.7" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "a9689a29b593160de5bc4aacab7b5d54fb52231de70122626c178e6a368994c7" +checksum = "5db83dced34638ad474f39f250d7fea9598bdd239eaced1bdf45d597da0f433f" dependencies = [ "clap_builder", "clap_derive", @@ -588,9 +588,9 @@ dependencies = [ [[package]] name = "clap_builder" -version = "4.5.6" +version = "4.5.7" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "2e5387378c84f6faa26890ebf9f0a92989f8873d4d380467bcd0d8d8620424df" +checksum = "f7e204572485eb3fbf28f871612191521df159bc3e15a9f5064c66dba3a8c05f" dependencies = [ "anstream", "anstyle", @@ -688,7 +688,7 @@ dependencies = [ "itertools 0.12.1", "quine-mc_cluskey", "regex", - "regex-syntax 0.8.3", + "regex-syntax 0.8.4", "rustc-semver", "semver", "serde", @@ -1083,13 +1083,13 @@ dependencies = [ [[package]] name = "derive_more" -version = "0.99.17" +version = "0.99.18" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4fb810d30a7c1953f91334de7244731fc3f3c10d7fe163338a35b9f640960321" +checksum = "5f33878137e4dafd7fa914ad4e259e18a4e8e532b9617a2d0150262bf53abfce" dependencies = [ "proc-macro2", "quote", - "syn 1.0.109", + "syn 2.0.66", ] [[package]] @@ -1804,6 +1804,18 @@ dependencies = [ "cc", ] +[[package]] +name = "icu_collections" +version = "1.5.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "db2fa452206ebee18c4b5c2274dbf1de17008e874b4dc4f0aea9d01ca79e4526" +dependencies = [ + "displaydoc", + "yoke", + "zerofrom", + "zerovec", +] + [[package]] name = "icu_list" version = "1.5.0" @@ -1857,6 +1869,51 @@ version = "1.5.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "fdc8ff3388f852bede6b579ad4e978ab004f139284d7b28715f773507b946f6e" +[[package]] +name = "icu_normalizer" +version = "1.5.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "19ce3e0da2ec68599d193c93d088142efd7f9c5d6fc9b803774855747dc6a84f" +dependencies = [ + "displaydoc", + "icu_collections", + "icu_normalizer_data", + "icu_properties", + "icu_provider", + "smallvec", + "utf16_iter", + "utf8_iter", + "write16", + "zerovec", +] + +[[package]] +name = "icu_normalizer_data" +version = "1.5.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f8cafbf7aa791e9b22bec55a167906f9e1215fd475cd22adfcf660e03e989516" + +[[package]] +name = "icu_properties" +version = "1.5.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1f8ac670d7422d7f76b32e17a5db556510825b29ec9154f235977c9caba61036" +dependencies = [ + "displaydoc", + "icu_collections", + "icu_locid_transform", + "icu_properties_data", + "icu_provider", + "tinystr", + "zerovec", +] + +[[package]] +name = "icu_properties_data" +version = "1.5.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "67a8effbc3dd3e4ba1afa8ad918d5684b8868b3b26500753effea8d2eed19569" + [[package]] name = "icu_provider" version = "1.5.0" @@ -1906,12 +1963,14 @@ checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39" [[package]] name = "idna" -version = "0.5.0" +version = "1.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "634d9b1461af396cad843f47fdba5597a4f9e6ddd4bfb6ff5d85028c25cb12f6" +checksum = "4716a3a0933a1d01c2f72450e89596eb51dd34ef3c211ccd875acdf1f8fe47ed" dependencies = [ - "unicode-bidi", - "unicode-normalization", + "icu_normalizer", + "icu_properties", + "smallvec", + "utf8_iter", ] [[package]] @@ -2393,9 +2452,9 @@ dependencies = [ [[package]] name = "mdbook-i18n-helpers" -version = "0.3.3" +version = "0.3.4" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "f1f71f5961d6f3376e1ff3e5989c2e3ecccc3e8a00f3a3acde446847f84852e4" +checksum = "8c8f972ab672d366c3dad77ea5aa7bae68db2d25fbeb889849f97469d7b658e4" dependencies = [ "anyhow", "chrono", @@ -2871,7 +2930,7 @@ checksum = "1e401f977ab385c9e4e3ab30627d6f26d00e2c73eef317493c4ec6d468726cf8" dependencies = [ "cfg-if", "libc", - "redox_syscall 0.5.1", + "redox_syscall 0.5.2", "smallvec", "windows-targets 0.52.5", ] @@ -3350,9 +3409,9 @@ dependencies = [ [[package]] name = "redox_syscall" -version = "0.5.1" +version = "0.5.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "469052894dcb553421e483e4209ee581a45100d31b4018de03e5a7ad86374a7e" +checksum = "c82cf8cff14456045f55ec4241383baeff27af886adb72ffb2162f99911de0fd" dependencies = [ "bitflags 2.5.0", ] @@ -3411,9 +3470,9 @@ dependencies = [ [[package]] name = "regex-lite" -version = "0.1.5" +version = "0.1.6" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "30b661b2f27137bdbc16f00eda72866a92bb28af1753ffbd56744fb6e2e9cd8e" +checksum = "53a49587ad06b26609c52e423de037e7f57f20d53535d66e08c695f347df952a" [[package]] name = "regex-syntax" @@ -3429,9 +3488,9 @@ checksum = "dbb5fb1acd8a1a18b3dd5be62d25485eb770e05afb408a9627d14d451bae12da" [[package]] name = "regex-syntax" -version = "0.8.3" +version = "0.8.4" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "adad44e29e4c806119491a7f06f03de4d1af22c3a680dd47f1e6e179439d1f56" +checksum = "7a66a03ae7c801facd77a29370b4faec201768915ac14a721ba36f20bc9c209b" [[package]] name = "remote-test-client" @@ -5484,7 +5543,7 @@ dependencies = [ "once_cell", "onig", "plist", - "regex-syntax 0.8.3", + "regex-syntax 0.8.4", "serde", "serde_derive", "serde_json", @@ -5997,7 +6056,7 @@ version = "0.23.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "29e5f4ffcbab82453958fbf59990e981b8e8a177dcd60c2bd8f9b52c3036a6e1" dependencies = [ - "annotate-snippets 0.11.3", + "annotate-snippets 0.11.4", "anyhow", "bstr", "cargo-platform", @@ -6078,12 +6137,6 @@ dependencies = [ "ucd-parse", ] -[[package]] -name = "unicode-bidi" -version = "0.3.15" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "08f95100a766bf4f8f28f90d77e0a5461bbdb219042e7679bebe79004fed8d75" - [[package]] name = "unicode-ident" version = "1.0.12" @@ -6185,9 +6238,9 @@ dependencies = [ [[package]] name = "url" -version = "2.5.0" +version = "2.5.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "31e6302e3bb753d46e83516cae55ae196fc0c309407cf11ab35cc51a4c2a4633" +checksum = "f7c25da092f0a868cdf09e8674cd3b7ef3a7d92a24253e663a2fb85e2496de56" dependencies = [ "form_urlencoded", "idna", @@ -6200,12 +6253,24 @@ version = "0.7.6" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "09cc8ee72d2a9becf2f2febe0205bbed8fc6615b7cb429ad062dc7b7ddd036a9" +[[package]] +name = "utf16_iter" +version = "1.0.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c8232dd3cdaed5356e0f716d285e4b40b932ac434100fe9b7e0e8e935b9e6246" + [[package]] name = "utf8-width" version = "0.1.7" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "86bd8d4e895da8537e5315b8254664e6b769c4ff3db18321b297a1e7004392e3" +[[package]] +name = "utf8_iter" +version = "1.0.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b6c140620e7ffbb22c2dee59cafe6084a59b5ffc27a8859a5f0d494b5d52b6be" + [[package]] name = "utf8parse" version = "0.2.2" @@ -6569,6 +6634,12 @@ dependencies = [ "memchr", ] +[[package]] +name = "write16" +version = "1.0.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d1890f4022759daae28ed4fe62859b1236caebfc61ede2f63ed4e695f3f6d936" + [[package]] name = "writeable" version = "0.5.5" From 33c4817d98850ce90dd18a7e80bd04ca05dafaee Mon Sep 17 00:00:00 2001 From: Scott McMurray Date: Tue, 11 Jun 2024 21:26:41 -0700 Subject: [PATCH 1583/1716] Redo SliceIndex implementations --- library/core/src/slice/index.rs | 118 +++++++++++++----- tests/mir-opt/pre-codegen/slice_index.rs | 26 +++- ...mut_usize.PreCodegen.after.panic-abort.mir | 43 ++++++- ...ut_usize.PreCodegen.after.panic-unwind.mir | 43 ++++++- ...mut_range.PreCodegen.after.panic-abort.mir | 56 +++++++-- ...ut_range.PreCodegen.after.panic-unwind.mir | 56 +++++++-- ...ked_range.PreCodegen.after.panic-abort.mir | 40 +++++- ...ed_range.PreCodegen.after.panic-unwind.mir | 40 +++++- 8 files changed, 371 insertions(+), 51 deletions(-) diff --git a/library/core/src/slice/index.rs b/library/core/src/slice/index.rs index 98513340a474..143dbd8a496d 100644 --- a/library/core/src/slice/index.rs +++ b/library/core/src/slice/index.rs @@ -2,7 +2,6 @@ use crate::intrinsics::const_eval_select; use crate::ops; -use crate::ptr; use crate::ub_checks::assert_unsafe_precondition; #[stable(feature = "rust1", since = "1.0.0")] @@ -106,6 +105,47 @@ const fn slice_end_index_overflow_fail() -> ! { panic!("attempted to index slice up to maximum usize"); } +// The UbChecks are great for catching bugs in the unsafe methods, but including +// them in safe indexing is unnecessary and hurts inlining and debug runtime perf. +// Both the safe and unsafe public methods share these helpers, +// which use intrinsics directly to get *no* extra checks. + +#[inline(always)] +const unsafe fn get_noubcheck(ptr: *const [T], index: usize) -> *const T { + let ptr = ptr as *const T; + // SAFETY: The caller already checked these preconditions + unsafe { crate::intrinsics::offset(ptr, index) } +} + +#[inline(always)] +const unsafe fn get_mut_noubcheck(ptr: *mut [T], index: usize) -> *mut T { + let ptr = ptr as *mut T; + // SAFETY: The caller already checked these preconditions + unsafe { crate::intrinsics::offset(ptr, index) } +} + +#[inline(always)] +const unsafe fn get_offset_len_noubcheck( + ptr: *const [T], + offset: usize, + len: usize, +) -> *const [T] { + // SAFETY: The caller already checked these preconditions + let ptr = unsafe { get_noubcheck(ptr, offset) }; + crate::intrinsics::aggregate_raw_ptr(ptr, len) +} + +#[inline(always)] +const unsafe fn get_offset_len_mut_noubcheck( + ptr: *mut [T], + offset: usize, + len: usize, +) -> *mut [T] { + // SAFETY: The caller already checked these preconditions + let ptr = unsafe { get_mut_noubcheck(ptr, offset) }; + crate::intrinsics::aggregate_raw_ptr(ptr, len) +} + mod private_slice_index { use super::ops; #[stable(feature = "slice_get_slice", since = "1.28.0")] @@ -203,13 +243,17 @@ unsafe impl SliceIndex<[T]> for usize { #[inline] fn get(self, slice: &[T]) -> Option<&T> { // SAFETY: `self` is checked to be in bounds. - if self < slice.len() { unsafe { Some(&*self.get_unchecked(slice)) } } else { None } + if self < slice.len() { unsafe { Some(&*get_noubcheck(slice, self)) } } else { None } } #[inline] fn get_mut(self, slice: &mut [T]) -> Option<&mut T> { - // SAFETY: `self` is checked to be in bounds. - if self < slice.len() { unsafe { Some(&mut *self.get_unchecked_mut(slice)) } } else { None } + if self < slice.len() { + // SAFETY: `self` is checked to be in bounds. + unsafe { Some(&mut *get_mut_noubcheck(slice, self)) } + } else { + None + } } #[inline] @@ -227,7 +271,7 @@ unsafe impl SliceIndex<[T]> for usize { // Use intrinsics::assume instead of hint::assert_unchecked so that we don't check the // precondition of this function twice. crate::intrinsics::assume(self < slice.len()); - slice.as_ptr().add(self) + get_noubcheck(slice, self) } } @@ -239,7 +283,7 @@ unsafe impl SliceIndex<[T]> for usize { (this: usize = self, len: usize = slice.len()) => this < len ); // SAFETY: see comments for `get_unchecked` above. - unsafe { slice.as_mut_ptr().add(self) } + unsafe { get_mut_noubcheck(slice, self) } } #[inline] @@ -265,7 +309,7 @@ unsafe impl SliceIndex<[T]> for ops::IndexRange { fn get(self, slice: &[T]) -> Option<&[T]> { if self.end() <= slice.len() { // SAFETY: `self` is checked to be valid and in bounds above. - unsafe { Some(&*self.get_unchecked(slice)) } + unsafe { Some(&*get_offset_len_noubcheck(slice, self.start(), self.len())) } } else { None } @@ -275,7 +319,7 @@ unsafe impl SliceIndex<[T]> for ops::IndexRange { fn get_mut(self, slice: &mut [T]) -> Option<&mut [T]> { if self.end() <= slice.len() { // SAFETY: `self` is checked to be valid and in bounds above. - unsafe { Some(&mut *self.get_unchecked_mut(slice)) } + unsafe { Some(&mut *get_offset_len_mut_noubcheck(slice, self.start(), self.len())) } } else { None } @@ -292,7 +336,7 @@ unsafe impl SliceIndex<[T]> for ops::IndexRange { // cannot be longer than `isize::MAX`. They also guarantee that // `self` is in bounds of `slice` so `self` cannot overflow an `isize`, // so the call to `add` is safe. - unsafe { ptr::slice_from_raw_parts(slice.as_ptr().add(self.start()), self.len()) } + unsafe { get_offset_len_noubcheck(slice, self.start(), self.len()) } } #[inline] @@ -304,14 +348,14 @@ unsafe impl SliceIndex<[T]> for ops::IndexRange { ); // SAFETY: see comments for `get_unchecked` above. - unsafe { ptr::slice_from_raw_parts_mut(slice.as_mut_ptr().add(self.start()), self.len()) } + unsafe { get_offset_len_mut_noubcheck(slice, self.start(), self.len()) } } #[inline] fn index(self, slice: &[T]) -> &[T] { if self.end() <= slice.len() { // SAFETY: `self` is checked to be valid and in bounds above. - unsafe { &*self.get_unchecked(slice) } + unsafe { &*get_offset_len_noubcheck(slice, self.start(), self.len()) } } else { slice_end_index_len_fail(self.end(), slice.len()) } @@ -321,7 +365,7 @@ unsafe impl SliceIndex<[T]> for ops::IndexRange { fn index_mut(self, slice: &mut [T]) -> &mut [T] { if self.end() <= slice.len() { // SAFETY: `self` is checked to be valid and in bounds above. - unsafe { &mut *self.get_unchecked_mut(slice) } + unsafe { &mut *get_offset_len_mut_noubcheck(slice, self.start(), self.len()) } } else { slice_end_index_len_fail(self.end(), slice.len()) } @@ -338,21 +382,26 @@ unsafe impl SliceIndex<[T]> for ops::Range { #[inline] fn get(self, slice: &[T]) -> Option<&[T]> { - if self.start > self.end || self.end > slice.len() { - None - } else { + // Using checked_sub is a safe way to get `SubUnchecked` in MIR + if let Some(new_len) = usize::checked_sub(self.end, self.start) + && self.end <= slice.len() + { // SAFETY: `self` is checked to be valid and in bounds above. - unsafe { Some(&*self.get_unchecked(slice)) } + unsafe { Some(&*get_offset_len_noubcheck(slice, self.start, new_len)) } + } else { + None } } #[inline] fn get_mut(self, slice: &mut [T]) -> Option<&mut [T]> { - if self.start > self.end || self.end > slice.len() { - None - } else { + if let Some(new_len) = usize::checked_sub(self.end, self.start) + && self.end <= slice.len() + { // SAFETY: `self` is checked to be valid and in bounds above. - unsafe { Some(&mut *self.get_unchecked_mut(slice)) } + unsafe { Some(&mut *get_offset_len_mut_noubcheck(slice, self.start, new_len)) } + } else { + None } } @@ -373,8 +422,10 @@ unsafe impl SliceIndex<[T]> for ops::Range { // `self` is in bounds of `slice` so `self` cannot overflow an `isize`, // so the call to `add` is safe and the length calculation cannot overflow. unsafe { - let new_len = self.end.unchecked_sub(self.start); - ptr::slice_from_raw_parts(slice.as_ptr().add(self.start), new_len) + // Using the intrinsic avoids a superfluous UB check, + // since the one on this method already checked `end >= start`. + let new_len = crate::intrinsics::unchecked_sub(self.end, self.start); + get_offset_len_noubcheck(slice, self.start, new_len) } } @@ -391,31 +442,34 @@ unsafe impl SliceIndex<[T]> for ops::Range { ); // SAFETY: see comments for `get_unchecked` above. unsafe { - let new_len = self.end.unchecked_sub(self.start); - ptr::slice_from_raw_parts_mut(slice.as_mut_ptr().add(self.start), new_len) + let new_len = crate::intrinsics::unchecked_sub(self.end, self.start); + get_offset_len_mut_noubcheck(slice, self.start, new_len) } } #[inline(always)] fn index(self, slice: &[T]) -> &[T] { - if self.start > self.end { - slice_index_order_fail(self.start, self.end); - } else if self.end > slice.len() { + // Using checked_sub is a safe way to get `SubUnchecked` in MIR + let Some(new_len) = usize::checked_sub(self.end, self.start) else { + slice_index_order_fail(self.start, self.end) + }; + if self.end > slice.len() { slice_end_index_len_fail(self.end, slice.len()); } // SAFETY: `self` is checked to be valid and in bounds above. - unsafe { &*self.get_unchecked(slice) } + unsafe { &*get_offset_len_noubcheck(slice, self.start, new_len) } } #[inline] fn index_mut(self, slice: &mut [T]) -> &mut [T] { - if self.start > self.end { - slice_index_order_fail(self.start, self.end); - } else if self.end > slice.len() { + let Some(new_len) = usize::checked_sub(self.end, self.start) else { + slice_index_order_fail(self.start, self.end) + }; + if self.end > slice.len() { slice_end_index_len_fail(self.end, slice.len()); } // SAFETY: `self` is checked to be valid and in bounds above. - unsafe { &mut *self.get_unchecked_mut(slice) } + unsafe { &mut *get_offset_len_mut_noubcheck(slice, self.start, new_len) } } } diff --git a/tests/mir-opt/pre-codegen/slice_index.rs b/tests/mir-opt/pre-codegen/slice_index.rs index 88b99777dd9b..886e57a3380c 100644 --- a/tests/mir-opt/pre-codegen/slice_index.rs +++ b/tests/mir-opt/pre-codegen/slice_index.rs @@ -1,4 +1,3 @@ -// skip-filecheck //@ compile-flags: -O -C debuginfo=0 -Zmir-opt-level=2 -Z ub-checks=yes // EMIT_MIR_FOR_EACH_PANIC_STRATEGY @@ -9,21 +8,39 @@ use std::ops::Range; // EMIT_MIR slice_index.slice_index_usize.PreCodegen.after.mir pub fn slice_index_usize(slice: &[u32], index: usize) -> u32 { + // CHECK-LABEL: slice_index_usize + // CHECK: [[LEN:_[0-9]+]] = Len((*_1)) + // CHECK: Lt(_2, [[LEN]]) + // CHECK-NOT: precondition_check + // CHECK: _0 = (*_1)[_2]; slice[index] } // EMIT_MIR slice_index.slice_get_mut_usize.PreCodegen.after.mir pub fn slice_get_mut_usize(slice: &mut [u32], index: usize) -> Option<&mut u32> { + // CHECK-LABEL: slice_get_mut_usize + // CHECK: [[LEN:_[0-9]+]] = Len((*_1)) + // CHECK: Lt(_2, move [[LEN]]) + // CHECK-NOT: precondition_check slice.get_mut(index) } // EMIT_MIR slice_index.slice_index_range.PreCodegen.after.mir pub fn slice_index_range(slice: &[u32], index: Range) -> &[u32] { + // CHECK-LABEL: slice_index_range &slice[index] } // EMIT_MIR slice_index.slice_get_unchecked_mut_range.PreCodegen.after.mir pub unsafe fn slice_get_unchecked_mut_range(slice: &mut [u32], index: Range) -> &mut [u32] { + // CHECK-LABEL: slice_get_unchecked_mut_range + // CHECK: [[START:_[0-9]+]] = move (_2.0: usize); + // CHECK: [[END:_[0-9]+]] = move (_2.1: usize); + // CHECK: precondition_check + // CHECK: [[LEN:_[0-9]+]] = SubUnchecked([[END]], [[START]]); + // CHECK: [[PTR:_[0-9]+]] = Offset({{_[0-9]+}}, [[START]]); + // CHECK: [[SLICE:_[0-9]+]] = *mut [u32] from ([[PTR]], [[LEN]]) + // CHECK: _0 = &mut (*[[SLICE]]); slice.get_unchecked_mut(index) } @@ -32,5 +49,12 @@ pub unsafe fn slice_ptr_get_unchecked_range( slice: *const [u32], index: Range, ) -> *const [u32] { + // CHECK-LABEL: slice_ptr_get_unchecked_range + // CHECK: [[START:_[0-9]+]] = move (_2.0: usize); + // CHECK: [[END:_[0-9]+]] = move (_2.1: usize); + // CHECK: precondition_check + // CHECK: [[LEN:_[0-9]+]] = SubUnchecked([[END]], [[START]]); + // CHECK: [[PTR:_[0-9]+]] = Offset({{_[0-9]+}}, [[START]]); + // CHECK: _0 = *const [u32] from ([[PTR]], [[LEN]]) slice.get_unchecked(index) } diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_get_mut_usize.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_index.slice_get_mut_usize.PreCodegen.after.panic-abort.mir index 7e20817cf230..f2ef2b0cc3c6 100644 --- a/tests/mir-opt/pre-codegen/slice_index.slice_get_mut_usize.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/slice_index.slice_get_mut_usize.PreCodegen.after.panic-abort.mir @@ -5,13 +5,54 @@ fn slice_get_mut_usize(_1: &mut [u32], _2: usize) -> Option<&mut u32> { debug index => _2; let mut _0: std::option::Option<&mut u32>; scope 1 (inlined core::slice::::get_mut::) { + scope 2 (inlined >::get_mut) { + let mut _3: usize; + let mut _4: bool; + let mut _5: *mut [u32]; + let mut _7: *mut u32; + let mut _8: &mut u32; + scope 3 (inlined core::slice::index::get_mut_noubcheck::) { + let _6: *mut u32; + scope 4 { + } + } + } } bb0: { - _0 = >::get_mut(move _2, move _1) -> [return: bb1, unwind unreachable]; + StorageLive(_7); + StorageLive(_4); + StorageLive(_3); + _3 = Len((*_1)); + _4 = Lt(_2, move _3); + switchInt(move _4) -> [0: bb1, otherwise: bb2]; } bb1: { + StorageDead(_3); + _0 = const Option::<&mut u32>::None; + goto -> bb3; + } + + bb2: { + StorageDead(_3); + StorageLive(_8); + StorageLive(_5); + _5 = &raw mut (*_1); + StorageLive(_6); + _6 = _5 as *mut u32 (PtrToPtr); + _7 = Offset(_6, _2); + StorageDead(_6); + StorageDead(_5); + _8 = &mut (*_7); + _0 = Option::<&mut u32>::Some(move _8); + StorageDead(_8); + goto -> bb3; + } + + bb3: { + StorageDead(_4); + StorageDead(_7); return; } } diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_get_mut_usize.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_index.slice_get_mut_usize.PreCodegen.after.panic-unwind.mir index 2f65b8c64017..f2ef2b0cc3c6 100644 --- a/tests/mir-opt/pre-codegen/slice_index.slice_get_mut_usize.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/slice_index.slice_get_mut_usize.PreCodegen.after.panic-unwind.mir @@ -5,13 +5,54 @@ fn slice_get_mut_usize(_1: &mut [u32], _2: usize) -> Option<&mut u32> { debug index => _2; let mut _0: std::option::Option<&mut u32>; scope 1 (inlined core::slice::::get_mut::) { + scope 2 (inlined >::get_mut) { + let mut _3: usize; + let mut _4: bool; + let mut _5: *mut [u32]; + let mut _7: *mut u32; + let mut _8: &mut u32; + scope 3 (inlined core::slice::index::get_mut_noubcheck::) { + let _6: *mut u32; + scope 4 { + } + } + } } bb0: { - _0 = >::get_mut(move _2, move _1) -> [return: bb1, unwind continue]; + StorageLive(_7); + StorageLive(_4); + StorageLive(_3); + _3 = Len((*_1)); + _4 = Lt(_2, move _3); + switchInt(move _4) -> [0: bb1, otherwise: bb2]; } bb1: { + StorageDead(_3); + _0 = const Option::<&mut u32>::None; + goto -> bb3; + } + + bb2: { + StorageDead(_3); + StorageLive(_8); + StorageLive(_5); + _5 = &raw mut (*_1); + StorageLive(_6); + _6 = _5 as *mut u32 (PtrToPtr); + _7 = Offset(_6, _2); + StorageDead(_6); + StorageDead(_5); + _8 = &mut (*_7); + _0 = Option::<&mut u32>::Some(move _8); + StorageDead(_8); + goto -> bb3; + } + + bb3: { + StorageDead(_4); + StorageDead(_7); return; } } diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-abort.mir index ef3f4a217200..5e0398d11147 100644 --- a/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-abort.mir @@ -4,20 +4,62 @@ fn slice_get_unchecked_mut_range(_1: &mut [u32], _2: std::ops::Range) -> debug slice => _1; debug index => _2; let mut _0: &mut [u32]; + let mut _3: usize; + let mut _4: usize; scope 1 (inlined core::slice::::get_unchecked_mut::>) { - let mut _3: *mut [u32]; - let mut _4: *mut [u32]; + let mut _5: *mut [u32]; + let mut _12: *mut [u32]; + scope 2 (inlined as SliceIndex<[u32]>>::get_unchecked_mut) { + let mut _7: usize; + let _8: (); + let _9: usize; + scope 3 { + scope 6 (inlined core::slice::index::get_offset_len_mut_noubcheck::) { + let _11: *mut u32; + scope 7 { + } + scope 8 (inlined core::slice::index::get_mut_noubcheck::) { + let _10: *mut u32; + scope 9 { + } + } + } + } + scope 4 (inlined std::ptr::mut_ptr::::len) { + let mut _6: *const [u32]; + scope 5 (inlined std::ptr::metadata::<[u32]>) { + } + } + } } bb0: { - StorageLive(_3); - _3 = &raw mut (*_1); - _4 = as SliceIndex<[u32]>>::get_unchecked_mut(move _2, move _3) -> [return: bb1, unwind unreachable]; + _3 = move (_2.0: usize); + _4 = move (_2.1: usize); + StorageLive(_5); + _5 = &raw mut (*_1); + StorageLive(_9); + StorageLive(_7); + StorageLive(_6); + _6 = _5 as *const [u32] (PointerCoercion(MutToConstPointer)); + _7 = PtrMetadata(_6); + StorageDead(_6); + _8 = as SliceIndex<[T]>>::get_unchecked_mut::precondition_check(_3, _4, move _7) -> [return: bb1, unwind unreachable]; } bb1: { - StorageDead(_3); - _0 = &mut (*_4); + StorageDead(_7); + _9 = SubUnchecked(_4, _3); + StorageLive(_11); + StorageLive(_10); + _10 = _5 as *mut u32 (PtrToPtr); + _11 = Offset(_10, _3); + StorageDead(_10); + _12 = *mut [u32] from (_11, _9); + StorageDead(_11); + StorageDead(_9); + StorageDead(_5); + _0 = &mut (*_12); return; } } diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-unwind.mir index 9e93a43ac725..5e0398d11147 100644 --- a/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-unwind.mir @@ -4,20 +4,62 @@ fn slice_get_unchecked_mut_range(_1: &mut [u32], _2: std::ops::Range) -> debug slice => _1; debug index => _2; let mut _0: &mut [u32]; + let mut _3: usize; + let mut _4: usize; scope 1 (inlined core::slice::::get_unchecked_mut::>) { - let mut _3: *mut [u32]; - let mut _4: *mut [u32]; + let mut _5: *mut [u32]; + let mut _12: *mut [u32]; + scope 2 (inlined as SliceIndex<[u32]>>::get_unchecked_mut) { + let mut _7: usize; + let _8: (); + let _9: usize; + scope 3 { + scope 6 (inlined core::slice::index::get_offset_len_mut_noubcheck::) { + let _11: *mut u32; + scope 7 { + } + scope 8 (inlined core::slice::index::get_mut_noubcheck::) { + let _10: *mut u32; + scope 9 { + } + } + } + } + scope 4 (inlined std::ptr::mut_ptr::::len) { + let mut _6: *const [u32]; + scope 5 (inlined std::ptr::metadata::<[u32]>) { + } + } + } } bb0: { - StorageLive(_3); - _3 = &raw mut (*_1); - _4 = as SliceIndex<[u32]>>::get_unchecked_mut(move _2, move _3) -> [return: bb1, unwind continue]; + _3 = move (_2.0: usize); + _4 = move (_2.1: usize); + StorageLive(_5); + _5 = &raw mut (*_1); + StorageLive(_9); + StorageLive(_7); + StorageLive(_6); + _6 = _5 as *const [u32] (PointerCoercion(MutToConstPointer)); + _7 = PtrMetadata(_6); + StorageDead(_6); + _8 = as SliceIndex<[T]>>::get_unchecked_mut::precondition_check(_3, _4, move _7) -> [return: bb1, unwind unreachable]; } bb1: { - StorageDead(_3); - _0 = &mut (*_4); + StorageDead(_7); + _9 = SubUnchecked(_4, _3); + StorageLive(_11); + StorageLive(_10); + _10 = _5 as *mut u32 (PtrToPtr); + _11 = Offset(_10, _3); + StorageDead(_10); + _12 = *mut [u32] from (_11, _9); + StorageDead(_11); + StorageDead(_9); + StorageDead(_5); + _0 = &mut (*_12); return; } } diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_ptr_get_unchecked_range.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_index.slice_ptr_get_unchecked_range.PreCodegen.after.panic-abort.mir index 650069ee6cea..c61bebe6cc3c 100644 --- a/tests/mir-opt/pre-codegen/slice_index.slice_ptr_get_unchecked_range.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/slice_index.slice_ptr_get_unchecked_range.PreCodegen.after.panic-abort.mir @@ -4,14 +4,52 @@ fn slice_ptr_get_unchecked_range(_1: *const [u32], _2: std::ops::Range) - debug slice => _1; debug index => _2; let mut _0: *const [u32]; + let mut _3: usize; + let mut _4: usize; scope 1 (inlined std::ptr::const_ptr::::get_unchecked::>) { + scope 2 (inlined as SliceIndex<[u32]>>::get_unchecked) { + let mut _5: usize; + let _6: (); + let _7: usize; + scope 3 { + scope 6 (inlined core::slice::index::get_offset_len_noubcheck::) { + let _9: *const u32; + scope 7 { + } + scope 8 (inlined core::slice::index::get_noubcheck::) { + let _8: *const u32; + scope 9 { + } + } + } + } + scope 4 (inlined std::ptr::const_ptr::::len) { + scope 5 (inlined std::ptr::metadata::<[u32]>) { + } + } + } } bb0: { - _0 = as SliceIndex<[u32]>>::get_unchecked(move _2, move _1) -> [return: bb1, unwind unreachable]; + _3 = move (_2.0: usize); + _4 = move (_2.1: usize); + StorageLive(_7); + StorageLive(_5); + _5 = PtrMetadata(_1); + _6 = as SliceIndex<[T]>>::get_unchecked::precondition_check(_3, _4, move _5) -> [return: bb1, unwind unreachable]; } bb1: { + StorageDead(_5); + _7 = SubUnchecked(_4, _3); + StorageLive(_9); + StorageLive(_8); + _8 = _1 as *const u32 (PtrToPtr); + _9 = Offset(_8, _3); + StorageDead(_8); + _0 = *const [u32] from (_9, _7); + StorageDead(_9); + StorageDead(_7); return; } } diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_ptr_get_unchecked_range.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_index.slice_ptr_get_unchecked_range.PreCodegen.after.panic-unwind.mir index 74e8158e7543..c61bebe6cc3c 100644 --- a/tests/mir-opt/pre-codegen/slice_index.slice_ptr_get_unchecked_range.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/slice_index.slice_ptr_get_unchecked_range.PreCodegen.after.panic-unwind.mir @@ -4,14 +4,52 @@ fn slice_ptr_get_unchecked_range(_1: *const [u32], _2: std::ops::Range) - debug slice => _1; debug index => _2; let mut _0: *const [u32]; + let mut _3: usize; + let mut _4: usize; scope 1 (inlined std::ptr::const_ptr::::get_unchecked::>) { + scope 2 (inlined as SliceIndex<[u32]>>::get_unchecked) { + let mut _5: usize; + let _6: (); + let _7: usize; + scope 3 { + scope 6 (inlined core::slice::index::get_offset_len_noubcheck::) { + let _9: *const u32; + scope 7 { + } + scope 8 (inlined core::slice::index::get_noubcheck::) { + let _8: *const u32; + scope 9 { + } + } + } + } + scope 4 (inlined std::ptr::const_ptr::::len) { + scope 5 (inlined std::ptr::metadata::<[u32]>) { + } + } + } } bb0: { - _0 = as SliceIndex<[u32]>>::get_unchecked(move _2, move _1) -> [return: bb1, unwind continue]; + _3 = move (_2.0: usize); + _4 = move (_2.1: usize); + StorageLive(_7); + StorageLive(_5); + _5 = PtrMetadata(_1); + _6 = as SliceIndex<[T]>>::get_unchecked::precondition_check(_3, _4, move _5) -> [return: bb1, unwind unreachable]; } bb1: { + StorageDead(_5); + _7 = SubUnchecked(_4, _3); + StorageLive(_9); + StorageLive(_8); + _8 = _1 as *const u32 (PtrToPtr); + _9 = Offset(_8, _3); + StorageDead(_8); + _0 = *const [u32] from (_9, _7); + StorageDead(_9); + StorageDead(_7); return; } } From e102d2dbd6ce19f1d63d6f88903b0412cd9bb102 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Sun, 16 Jun 2024 01:04:40 +1000 Subject: [PATCH 1584/1716] coverage: More consistent variable names for span processing --- .../rustc_mir_transform/src/coverage/spans.rs | 8 ++-- .../src/coverage/spans/from_mir.rs | 42 +++++++++---------- 2 files changed, 25 insertions(+), 25 deletions(-) diff --git a/compiler/rustc_mir_transform/src/coverage/spans.rs b/compiler/rustc_mir_transform/src/coverage/spans.rs index bb6a666ff73b..6e3a27ca2614 100644 --- a/compiler/rustc_mir_transform/src/coverage/spans.rs +++ b/compiler/rustc_mir_transform/src/coverage/spans.rs @@ -19,11 +19,11 @@ pub(super) fn extract_refined_covspans( basic_coverage_blocks: &CoverageGraph, code_mappings: &mut impl Extend, ) { - let sorted_span_buckets = + let buckets = from_mir::mir_to_initial_sorted_coverage_spans(mir_body, hir_info, basic_coverage_blocks); - for bucket in sorted_span_buckets { - let refined_spans = refine_sorted_spans(bucket); - code_mappings.extend(refined_spans.into_iter().map(|RefinedCovspan { span, bcb }| { + for covspans in buckets { + let covspans = refine_sorted_spans(covspans); + code_mappings.extend(covspans.into_iter().map(|RefinedCovspan { span, bcb }| { // Each span produced by the refiner represents an ordinary code region. mappings::CodeMapping { span, bcb } })); diff --git a/compiler/rustc_mir_transform/src/coverage/spans/from_mir.rs b/compiler/rustc_mir_transform/src/coverage/spans/from_mir.rs index b1f71035dded..be2e07803164 100644 --- a/compiler/rustc_mir_transform/src/coverage/spans/from_mir.rs +++ b/compiler/rustc_mir_transform/src/coverage/spans/from_mir.rs @@ -31,7 +31,7 @@ pub(super) fn mir_to_initial_sorted_coverage_spans( ) -> Vec> { let &ExtractedHirInfo { body_span, .. } = hir_info; - let mut initial_spans = vec![]; + let mut covspans = vec![]; let mut holes = vec![]; for (bcb, bcb_data) in basic_coverage_blocks.iter_enumerated() { @@ -40,36 +40,36 @@ pub(super) fn mir_to_initial_sorted_coverage_spans( body_span, bcb, bcb_data, - &mut initial_spans, + &mut covspans, &mut holes, ); } // Only add the signature span if we found at least one span in the body. - if !initial_spans.is_empty() || !holes.is_empty() { + if !covspans.is_empty() || !holes.is_empty() { // If there is no usable signature span, add a fake one (before refinement) // to avoid an ugly gap between the body start and the first real span. // FIXME: Find a more principled way to solve this problem. let fn_sig_span = hir_info.fn_sig_span_extended.unwrap_or_else(|| body_span.shrink_to_lo()); - initial_spans.push(SpanFromMir::for_fn_sig(fn_sig_span)); + covspans.push(SpanFromMir::for_fn_sig(fn_sig_span)); } - initial_spans.sort_by(|a, b| basic_coverage_blocks.cmp_in_dominator_order(a.bcb, b.bcb)); - remove_unwanted_macro_spans(&mut initial_spans); - split_visible_macro_spans(&mut initial_spans); + covspans.sort_by(|a, b| basic_coverage_blocks.cmp_in_dominator_order(a.bcb, b.bcb)); + remove_unwanted_macro_spans(&mut covspans); + split_visible_macro_spans(&mut covspans); let compare_covspans = |a: &SpanFromMir, b: &SpanFromMir| { compare_spans(a.span, b.span) // After deduplication, we want to keep only the most-dominated BCB. .then_with(|| basic_coverage_blocks.cmp_in_dominator_order(a.bcb, b.bcb).reverse()) }; - initial_spans.sort_by(compare_covspans); + covspans.sort_by(compare_covspans); // Among covspans with the same span, keep only one, // preferring the one with the most-dominated BCB. // (Ideally we should try to preserve _all_ non-dominating BCBs, but that // requires a lot more complexity in the span refiner, for little benefit.) - initial_spans.dedup_by(|b, a| a.span.source_equal(b.span)); + covspans.dedup_by(|b, a| a.span.source_equal(b.span)); // Sort the holes, and merge overlapping/adjacent holes. holes.sort_by(|a, b| compare_spans(a.span, b.span)); @@ -78,7 +78,7 @@ pub(super) fn mir_to_initial_sorted_coverage_spans( // Now we're ready to start carving holes out of the initial coverage spans, // and grouping them in buckets separated by the holes. - let mut initial_spans = VecDeque::from(initial_spans); + let mut input_covspans = VecDeque::from(covspans); let mut fragments: Vec = vec![]; // For each hole: @@ -93,10 +93,10 @@ pub(super) fn mir_to_initial_sorted_coverage_spans( // Only inspect spans that precede or overlap this hole, // leaving the rest to be inspected by later holes. // (This relies on the spans and holes both being sorted.) - let relevant_initial_spans = - drain_front_while(&mut initial_spans, |c| c.span.lo() < hole.span.hi()); + let relevant_input_covspans = + drain_front_while(&mut input_covspans, |c| c.span.lo() < hole.span.hi()); - for covspan in fragments_from_prev.into_iter().chain(relevant_initial_spans) { + for covspan in fragments_from_prev.into_iter().chain(relevant_input_covspans) { let (before, after) = covspan.split_around_hole_span(hole.span); bucket.extend(before); fragments.extend(after); @@ -106,12 +106,12 @@ pub(super) fn mir_to_initial_sorted_coverage_spans( // After finding the spans before each hole, any remaining fragments/spans // form their own final bucket, after the final hole. // (If there were no holes, this will just be all of the initial spans.) - fragments.extend(initial_spans); + fragments.extend(input_covspans); buckets.push(fragments); // Make sure each individual bucket is still internally sorted. - for bucket in &mut buckets { - bucket.sort_by(compare_covspans); + for covspans in &mut buckets { + covspans.sort_by(compare_covspans); } buckets } @@ -143,9 +143,9 @@ fn drain_front_while<'a, T>( /// /// (The input spans should be sorted in BCB dominator order, so that the /// retained "first" span is likely to dominate the others.) -fn remove_unwanted_macro_spans(initial_spans: &mut Vec) { +fn remove_unwanted_macro_spans(covspans: &mut Vec) { let mut seen_macro_spans = FxHashSet::default(); - initial_spans.retain(|covspan| { + covspans.retain(|covspan| { // Ignore (retain) non-macro-expansion spans. if covspan.visible_macro.is_none() { return true; @@ -160,10 +160,10 @@ fn remove_unwanted_macro_spans(initial_spans: &mut Vec) { /// function body, split it into two parts. The first part covers just the /// macro name plus `!`, and the second part covers the rest of the macro /// invocation. This seems to give better results for code that uses macros. -fn split_visible_macro_spans(initial_spans: &mut Vec) { +fn split_visible_macro_spans(covspans: &mut Vec) { let mut extra_spans = vec![]; - initial_spans.retain(|covspan| { + covspans.retain(|covspan| { let Some(visible_macro) = covspan.visible_macro else { return true }; let split_len = visible_macro.as_str().len() as u32 + 1; @@ -183,7 +183,7 @@ fn split_visible_macro_spans(initial_spans: &mut Vec) { // The newly-split spans are added at the end, so any previous sorting // is not preserved. - initial_spans.extend(extra_spans); + covspans.extend(extra_spans); } // Generate a set of coverage spans from the filtered set of `Statement`s and `Terminator`s of From bf74fb1d2f39afa6948e8be39a6a2e72fcc2e83f Mon Sep 17 00:00:00 2001 From: Zalathar Date: Sun, 16 Jun 2024 01:11:32 +1000 Subject: [PATCH 1585/1716] coverage: Move most span processing back into `coverage::spans` --- .../rustc_mir_transform/src/coverage/spans.rs | 144 ++++++++++++++- .../src/coverage/spans/from_mir.rs | 168 ++---------------- 2 files changed, 157 insertions(+), 155 deletions(-) diff --git a/compiler/rustc_mir_transform/src/coverage/spans.rs b/compiler/rustc_mir_transform/src/coverage/spans.rs index 6e3a27ca2614..11fc297911ea 100644 --- a/compiler/rustc_mir_transform/src/coverage/spans.rs +++ b/compiler/rustc_mir_transform/src/coverage/spans.rs @@ -1,9 +1,15 @@ +use std::collections::VecDeque; + +use rustc_data_structures::captures::Captures; +use rustc_data_structures::fx::FxHashSet; use rustc_middle::mir; use rustc_span::Span; use crate::coverage::graph::{BasicCoverageBlock, CoverageGraph}; use crate::coverage::mappings; -use crate::coverage::spans::from_mir::SpanFromMir; +use crate::coverage::spans::from_mir::{ + extract_covspans_and_holes_from_mir, ExtractedCovspans, SpanFromMir, +}; use crate::coverage::ExtractedHirInfo; mod from_mir; @@ -19,9 +25,68 @@ pub(super) fn extract_refined_covspans( basic_coverage_blocks: &CoverageGraph, code_mappings: &mut impl Extend, ) { - let buckets = - from_mir::mir_to_initial_sorted_coverage_spans(mir_body, hir_info, basic_coverage_blocks); - for covspans in buckets { + let ExtractedCovspans { mut covspans, mut holes } = + extract_covspans_and_holes_from_mir(mir_body, hir_info, basic_coverage_blocks); + + covspans.sort_by(|a, b| basic_coverage_blocks.cmp_in_dominator_order(a.bcb, b.bcb)); + remove_unwanted_macro_spans(&mut covspans); + split_visible_macro_spans(&mut covspans); + + let compare_covspans = |a: &SpanFromMir, b: &SpanFromMir| { + compare_spans(a.span, b.span) + // After deduplication, we want to keep only the most-dominated BCB. + .then_with(|| basic_coverage_blocks.cmp_in_dominator_order(a.bcb, b.bcb).reverse()) + }; + covspans.sort_by(compare_covspans); + + // Among covspans with the same span, keep only one, + // preferring the one with the most-dominated BCB. + // (Ideally we should try to preserve _all_ non-dominating BCBs, but that + // requires a lot more complexity in the span refiner, for little benefit.) + covspans.dedup_by(|b, a| a.span.source_equal(b.span)); + + // Sort the holes, and merge overlapping/adjacent holes. + holes.sort_by(|a, b| compare_spans(a.span, b.span)); + holes.dedup_by(|b, a| a.merge_if_overlapping_or_adjacent(b)); + + // Now we're ready to start carving holes out of the initial coverage spans, + // and grouping them in buckets separated by the holes. + + let mut input_covspans = VecDeque::from(covspans); + let mut fragments: Vec = vec![]; + + // For each hole: + // - Identify the spans that are entirely or partly before the hole. + // - Put those spans in a corresponding bucket, truncated to the start of the hole. + // - If one of those spans also extends after the hole, put the rest of it + // in a "fragments" vector that is processed by the next hole. + let mut buckets = (0..holes.len()).map(|_| vec![]).collect::>(); + for (hole, bucket) in holes.iter().zip(&mut buckets) { + let fragments_from_prev = std::mem::take(&mut fragments); + + // Only inspect spans that precede or overlap this hole, + // leaving the rest to be inspected by later holes. + // (This relies on the spans and holes both being sorted.) + let relevant_input_covspans = + drain_front_while(&mut input_covspans, |c| c.span.lo() < hole.span.hi()); + + for covspan in fragments_from_prev.into_iter().chain(relevant_input_covspans) { + let (before, after) = covspan.split_around_hole_span(hole.span); + bucket.extend(before); + fragments.extend(after); + } + } + + // After finding the spans before each hole, any remaining fragments/spans + // form their own final bucket, after the final hole. + // (If there were no holes, this will just be all of the initial spans.) + fragments.extend(input_covspans); + buckets.push(fragments); + + for mut covspans in buckets { + // Make sure each individual bucket is internally sorted. + covspans.sort_by(compare_covspans); + let covspans = refine_sorted_spans(covspans); code_mappings.extend(covspans.into_iter().map(|RefinedCovspan { span, bcb }| { // Each span produced by the refiner represents an ordinary code region. @@ -30,6 +95,56 @@ pub(super) fn extract_refined_covspans( } } +/// Macros that expand into branches (e.g. `assert!`, `trace!`) tend to generate +/// multiple condition/consequent blocks that have the span of the whole macro +/// invocation, which is unhelpful. Keeping only the first such span seems to +/// give better mappings, so remove the others. +/// +/// (The input spans should be sorted in BCB dominator order, so that the +/// retained "first" span is likely to dominate the others.) +fn remove_unwanted_macro_spans(covspans: &mut Vec) { + let mut seen_macro_spans = FxHashSet::default(); + covspans.retain(|covspan| { + // Ignore (retain) non-macro-expansion spans. + if covspan.visible_macro.is_none() { + return true; + } + + // Retain only the first macro-expanded covspan with this span. + seen_macro_spans.insert(covspan.span) + }); +} + +/// When a span corresponds to a macro invocation that is visible from the +/// function body, split it into two parts. The first part covers just the +/// macro name plus `!`, and the second part covers the rest of the macro +/// invocation. This seems to give better results for code that uses macros. +fn split_visible_macro_spans(covspans: &mut Vec) { + let mut extra_spans = vec![]; + + covspans.retain(|covspan| { + let Some(visible_macro) = covspan.visible_macro else { return true }; + + let split_len = visible_macro.as_str().len() as u32 + 1; + let (before, after) = covspan.span.split_at(split_len); + if !covspan.span.contains(before) || !covspan.span.contains(after) { + // Something is unexpectedly wrong with the split point. + // The debug assertion in `split_at` will have already caught this, + // but in release builds it's safer to do nothing and maybe get a + // bug report for unexpected coverage, rather than risk an ICE. + return true; + } + + extra_spans.push(SpanFromMir::new(before, covspan.visible_macro, covspan.bcb)); + extra_spans.push(SpanFromMir::new(after, covspan.visible_macro, covspan.bcb)); + false // Discard the original covspan that we just split. + }); + + // The newly-split spans are added at the end, so any previous sorting + // is not preserved. + covspans.extend(extra_spans); +} + #[derive(Debug)] struct RefinedCovspan { span: Span, @@ -47,6 +162,15 @@ impl RefinedCovspan { } } +/// Similar to `.drain(..)`, but stops just before it would remove an item not +/// satisfying the predicate. +fn drain_front_while<'a, T>( + queue: &'a mut VecDeque, + mut pred_fn: impl FnMut(&T) -> bool, +) -> impl Iterator + Captures<'a> { + std::iter::from_fn(move || if pred_fn(queue.front()?) { queue.pop_front() } else { None }) +} + /// Takes one of the buckets of (sorted) spans extracted from MIR, and "refines" /// those spans by removing spans that overlap in unwanted ways, and by merging /// compatible adjacent spans. @@ -94,3 +218,15 @@ fn refine_sorted_spans(sorted_spans: Vec) -> Vec { refined } + +/// Compares two spans in (lo ascending, hi descending) order. +fn compare_spans(a: Span, b: Span) -> std::cmp::Ordering { + // First sort by span start. + Ord::cmp(&a.lo(), &b.lo()) + // If span starts are the same, sort by span end in reverse order. + // This ensures that if spans A and B are adjacent in the list, + // and they overlap but are not equal, then either: + // - Span A extends further left, or + // - Both have the same start and span A extends further right + .then_with(|| Ord::cmp(&a.hi(), &b.hi()).reverse()) +} diff --git a/compiler/rustc_mir_transform/src/coverage/spans/from_mir.rs b/compiler/rustc_mir_transform/src/coverage/spans/from_mir.rs index be2e07803164..1508a893b582 100644 --- a/compiler/rustc_mir_transform/src/coverage/spans/from_mir.rs +++ b/compiler/rustc_mir_transform/src/coverage/spans/from_mir.rs @@ -1,7 +1,3 @@ -use std::collections::VecDeque; - -use rustc_data_structures::captures::Captures; -use rustc_data_structures::fx::FxHashSet; use rustc_middle::bug; use rustc_middle::mir::coverage::CoverageKind; use rustc_middle::mir::{ @@ -15,20 +11,19 @@ use crate::coverage::graph::{ }; use crate::coverage::ExtractedHirInfo; +pub(crate) struct ExtractedCovspans { + pub(crate) covspans: Vec, + pub(crate) holes: Vec, +} + /// Traverses the MIR body to produce an initial collection of coverage-relevant /// spans, each associated with a node in the coverage graph (BCB) and possibly /// other metadata. -/// -/// The returned spans are divided into one or more buckets, such that: -/// - The spans in each bucket are strictly after all spans in previous buckets, -/// and strictly before all spans in subsequent buckets. -/// - The contents of each bucket are also sorted, in a specific order that is -/// expected by the subsequent span-refinement step. -pub(super) fn mir_to_initial_sorted_coverage_spans( +pub(crate) fn extract_covspans_and_holes_from_mir( mir_body: &mir::Body<'_>, hir_info: &ExtractedHirInfo, basic_coverage_blocks: &CoverageGraph, -) -> Vec> { +) -> ExtractedCovspans { let &ExtractedHirInfo { body_span, .. } = hir_info; let mut covspans = vec![]; @@ -54,136 +49,7 @@ pub(super) fn mir_to_initial_sorted_coverage_spans( covspans.push(SpanFromMir::for_fn_sig(fn_sig_span)); } - covspans.sort_by(|a, b| basic_coverage_blocks.cmp_in_dominator_order(a.bcb, b.bcb)); - remove_unwanted_macro_spans(&mut covspans); - split_visible_macro_spans(&mut covspans); - - let compare_covspans = |a: &SpanFromMir, b: &SpanFromMir| { - compare_spans(a.span, b.span) - // After deduplication, we want to keep only the most-dominated BCB. - .then_with(|| basic_coverage_blocks.cmp_in_dominator_order(a.bcb, b.bcb).reverse()) - }; - covspans.sort_by(compare_covspans); - - // Among covspans with the same span, keep only one, - // preferring the one with the most-dominated BCB. - // (Ideally we should try to preserve _all_ non-dominating BCBs, but that - // requires a lot more complexity in the span refiner, for little benefit.) - covspans.dedup_by(|b, a| a.span.source_equal(b.span)); - - // Sort the holes, and merge overlapping/adjacent holes. - holes.sort_by(|a, b| compare_spans(a.span, b.span)); - holes.dedup_by(|b, a| a.merge_if_overlapping_or_adjacent(b)); - - // Now we're ready to start carving holes out of the initial coverage spans, - // and grouping them in buckets separated by the holes. - - let mut input_covspans = VecDeque::from(covspans); - let mut fragments: Vec = vec![]; - - // For each hole: - // - Identify the spans that are entirely or partly before the hole. - // - Put those spans in a corresponding bucket, truncated to the start of the hole. - // - If one of those spans also extends after the hole, put the rest of it - // in a "fragments" vector that is processed by the next hole. - let mut buckets = (0..holes.len()).map(|_| vec![]).collect::>(); - for (hole, bucket) in holes.iter().zip(&mut buckets) { - let fragments_from_prev = std::mem::take(&mut fragments); - - // Only inspect spans that precede or overlap this hole, - // leaving the rest to be inspected by later holes. - // (This relies on the spans and holes both being sorted.) - let relevant_input_covspans = - drain_front_while(&mut input_covspans, |c| c.span.lo() < hole.span.hi()); - - for covspan in fragments_from_prev.into_iter().chain(relevant_input_covspans) { - let (before, after) = covspan.split_around_hole_span(hole.span); - bucket.extend(before); - fragments.extend(after); - } - } - - // After finding the spans before each hole, any remaining fragments/spans - // form their own final bucket, after the final hole. - // (If there were no holes, this will just be all of the initial spans.) - fragments.extend(input_covspans); - buckets.push(fragments); - - // Make sure each individual bucket is still internally sorted. - for covspans in &mut buckets { - covspans.sort_by(compare_covspans); - } - buckets -} - -fn compare_spans(a: Span, b: Span) -> std::cmp::Ordering { - // First sort by span start. - Ord::cmp(&a.lo(), &b.lo()) - // If span starts are the same, sort by span end in reverse order. - // This ensures that if spans A and B are adjacent in the list, - // and they overlap but are not equal, then either: - // - Span A extends further left, or - // - Both have the same start and span A extends further right - .then_with(|| Ord::cmp(&a.hi(), &b.hi()).reverse()) -} - -/// Similar to `.drain(..)`, but stops just before it would remove an item not -/// satisfying the predicate. -fn drain_front_while<'a, T>( - queue: &'a mut VecDeque, - mut pred_fn: impl FnMut(&T) -> bool, -) -> impl Iterator + Captures<'a> { - std::iter::from_fn(move || if pred_fn(queue.front()?) { queue.pop_front() } else { None }) -} - -/// Macros that expand into branches (e.g. `assert!`, `trace!`) tend to generate -/// multiple condition/consequent blocks that have the span of the whole macro -/// invocation, which is unhelpful. Keeping only the first such span seems to -/// give better mappings, so remove the others. -/// -/// (The input spans should be sorted in BCB dominator order, so that the -/// retained "first" span is likely to dominate the others.) -fn remove_unwanted_macro_spans(covspans: &mut Vec) { - let mut seen_macro_spans = FxHashSet::default(); - covspans.retain(|covspan| { - // Ignore (retain) non-macro-expansion spans. - if covspan.visible_macro.is_none() { - return true; - } - - // Retain only the first macro-expanded covspan with this span. - seen_macro_spans.insert(covspan.span) - }); -} - -/// When a span corresponds to a macro invocation that is visible from the -/// function body, split it into two parts. The first part covers just the -/// macro name plus `!`, and the second part covers the rest of the macro -/// invocation. This seems to give better results for code that uses macros. -fn split_visible_macro_spans(covspans: &mut Vec) { - let mut extra_spans = vec![]; - - covspans.retain(|covspan| { - let Some(visible_macro) = covspan.visible_macro else { return true }; - - let split_len = visible_macro.as_str().len() as u32 + 1; - let (before, after) = covspan.span.split_at(split_len); - if !covspan.span.contains(before) || !covspan.span.contains(after) { - // Something is unexpectedly wrong with the split point. - // The debug assertion in `split_at` will have already caught this, - // but in release builds it's safer to do nothing and maybe get a - // bug report for unexpected coverage, rather than risk an ICE. - return true; - } - - extra_spans.push(SpanFromMir::new(before, covspan.visible_macro, covspan.bcb)); - extra_spans.push(SpanFromMir::new(after, covspan.visible_macro, covspan.bcb)); - false // Discard the original covspan that we just split. - }); - - // The newly-split spans are added at the end, so any previous sorting - // is not preserved. - covspans.extend(extra_spans); + ExtractedCovspans { covspans, holes } } // Generate a set of coverage spans from the filtered set of `Statement`s and `Terminator`s of @@ -402,12 +268,12 @@ fn unexpand_into_body_span_with_prev( } #[derive(Debug)] -struct Hole { - span: Span, +pub(crate) struct Hole { + pub(crate) span: Span, } impl Hole { - fn merge_if_overlapping_or_adjacent(&mut self, other: &mut Self) -> bool { + pub(crate) fn merge_if_overlapping_or_adjacent(&mut self, other: &mut Self) -> bool { if !self.span.overlaps_or_adjacent(other.span) { return false; } @@ -418,7 +284,7 @@ impl Hole { } #[derive(Debug)] -pub(super) struct SpanFromMir { +pub(crate) struct SpanFromMir { /// A span that has been extracted from MIR and then "un-expanded" back to /// within the current function's `body_span`. After various intermediate /// processing steps, this span is emitted as part of the final coverage @@ -426,9 +292,9 @@ pub(super) struct SpanFromMir { /// /// With the exception of `fn_sig_span`, this should always be contained /// within `body_span`. - pub(super) span: Span, - visible_macro: Option, - pub(super) bcb: BasicCoverageBlock, + pub(crate) span: Span, + pub(crate) visible_macro: Option, + pub(crate) bcb: BasicCoverageBlock, } impl SpanFromMir { @@ -436,14 +302,14 @@ impl SpanFromMir { Self::new(fn_sig_span, None, START_BCB) } - fn new(span: Span, visible_macro: Option, bcb: BasicCoverageBlock) -> Self { + pub(crate) fn new(span: Span, visible_macro: Option, bcb: BasicCoverageBlock) -> Self { Self { span, visible_macro, bcb } } /// Splits this span into 0-2 parts: /// - The part that is strictly before the hole span, if any. /// - The part that is strictly after the hole span, if any. - fn split_around_hole_span(&self, hole_span: Span) -> (Option, Option) { + pub(crate) fn split_around_hole_span(&self, hole_span: Span) -> (Option, Option) { let before = try { let span = self.span.trim_end(hole_span)?; Self { span, ..*self } From 88ade9c740c0f7fad269c51a7ad15baa5cb07115 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Sun, 16 Jun 2024 01:25:05 +1000 Subject: [PATCH 1586/1716] coverage: Eagerly convert coverage spans to a simpler form --- .../rustc_mir_transform/src/coverage/spans.rs | 86 +++++++++++-------- .../src/coverage/spans/from_mir.rs | 18 +--- 2 files changed, 55 insertions(+), 49 deletions(-) diff --git a/compiler/rustc_mir_transform/src/coverage/spans.rs b/compiler/rustc_mir_transform/src/coverage/spans.rs index 11fc297911ea..122a7957a1fd 100644 --- a/compiler/rustc_mir_transform/src/coverage/spans.rs +++ b/compiler/rustc_mir_transform/src/coverage/spans.rs @@ -28,11 +28,15 @@ pub(super) fn extract_refined_covspans( let ExtractedCovspans { mut covspans, mut holes } = extract_covspans_and_holes_from_mir(mir_body, hir_info, basic_coverage_blocks); + // First, perform the passes that need macro information. covspans.sort_by(|a, b| basic_coverage_blocks.cmp_in_dominator_order(a.bcb, b.bcb)); remove_unwanted_macro_spans(&mut covspans); split_visible_macro_spans(&mut covspans); - let compare_covspans = |a: &SpanFromMir, b: &SpanFromMir| { + // We no longer need the extra information in `SpanFromMir`, so convert to `Covspan`. + let mut covspans = covspans.into_iter().map(SpanFromMir::into_covspan).collect::>(); + + let compare_covspans = |a: &Covspan, b: &Covspan| { compare_spans(a.span, b.span) // After deduplication, we want to keep only the most-dominated BCB. .then_with(|| basic_coverage_blocks.cmp_in_dominator_order(a.bcb, b.bcb).reverse()) @@ -53,7 +57,7 @@ pub(super) fn extract_refined_covspans( // and grouping them in buckets separated by the holes. let mut input_covspans = VecDeque::from(covspans); - let mut fragments: Vec = vec![]; + let mut fragments = vec![]; // For each hole: // - Identify the spans that are entirely or partly before the hole. @@ -88,7 +92,7 @@ pub(super) fn extract_refined_covspans( covspans.sort_by(compare_covspans); let covspans = refine_sorted_spans(covspans); - code_mappings.extend(covspans.into_iter().map(|RefinedCovspan { span, bcb }| { + code_mappings.extend(covspans.into_iter().map(|Covspan { span, bcb }| { // Each span produced by the refiner represents an ordinary code region. mappings::CodeMapping { span, bcb } })); @@ -145,23 +149,6 @@ fn split_visible_macro_spans(covspans: &mut Vec) { covspans.extend(extra_spans); } -#[derive(Debug)] -struct RefinedCovspan { - span: Span, - bcb: BasicCoverageBlock, -} - -impl RefinedCovspan { - fn is_mergeable(&self, other: &Self) -> bool { - self.bcb == other.bcb - } - - fn merge_from(&mut self, other: &Self) { - debug_assert!(self.is_mergeable(other)); - self.span = self.span.to(other.span); - } -} - /// Similar to `.drain(..)`, but stops just before it would remove an item not /// satisfying the predicate. fn drain_front_while<'a, T>( @@ -175,18 +162,18 @@ fn drain_front_while<'a, T>( /// those spans by removing spans that overlap in unwanted ways, and by merging /// compatible adjacent spans. #[instrument(level = "debug")] -fn refine_sorted_spans(sorted_spans: Vec) -> Vec { +fn refine_sorted_spans(sorted_spans: Vec) -> Vec { // Holds spans that have been read from the input vector, but haven't yet // been committed to the output vector. let mut pending = vec![]; let mut refined = vec![]; for curr in sorted_spans { - pending.retain(|prev: &SpanFromMir| { + pending.retain(|prev: &Covspan| { if prev.span.hi() <= curr.span.lo() { // There's no overlap between the previous/current covspans, // so move the previous one into the refined list. - refined.push(RefinedCovspan { span: prev.span, bcb: prev.bcb }); + refined.push(prev.clone()); false } else { // Otherwise, retain the previous covspan only if it has the @@ -199,26 +186,55 @@ fn refine_sorted_spans(sorted_spans: Vec) -> Vec { } // Drain the rest of the pending list into the refined list. - for prev in pending { - refined.push(RefinedCovspan { span: prev.span, bcb: prev.bcb }); - } + refined.extend(pending); // Do one last merge pass, to simplify the output. debug!(?refined, "before merge"); - refined.dedup_by(|b, a| { - if a.is_mergeable(b) { - debug!(?a, ?b, "merging list-adjacent refined spans"); - a.merge_from(b); - true - } else { - false - } - }); + refined.dedup_by(|b, a| a.merge_if_eligible(b)); debug!(?refined, "after merge"); refined } +#[derive(Clone, Debug)] +struct Covspan { + span: Span, + bcb: BasicCoverageBlock, +} + +impl Covspan { + /// Splits this covspan into 0-2 parts: + /// - The part that is strictly before the hole span, if any. + /// - The part that is strictly after the hole span, if any. + fn split_around_hole_span(&self, hole_span: Span) -> (Option, Option) { + let before = try { + let span = self.span.trim_end(hole_span)?; + Self { span, ..*self } + }; + let after = try { + let span = self.span.trim_start(hole_span)?; + Self { span, ..*self } + }; + + (before, after) + } + + /// If `self` and `other` can be merged (i.e. they have the same BCB), + /// mutates `self.span` to also include `other.span` and returns true. + /// + /// Note that compatible covspans can be merged even if their underlying + /// spans are not overlapping/adjacent; any space between them will also be + /// part of the merged covspan. + fn merge_if_eligible(&mut self, other: &Self) -> bool { + if self.bcb != other.bcb { + return false; + } + + self.span = self.span.to(other.span); + true + } +} + /// Compares two spans in (lo ascending, hi descending) order. fn compare_spans(a: Span, b: Span) -> std::cmp::Ordering { // First sort by span start. diff --git a/compiler/rustc_mir_transform/src/coverage/spans/from_mir.rs b/compiler/rustc_mir_transform/src/coverage/spans/from_mir.rs index 1508a893b582..09deb7534bfd 100644 --- a/compiler/rustc_mir_transform/src/coverage/spans/from_mir.rs +++ b/compiler/rustc_mir_transform/src/coverage/spans/from_mir.rs @@ -9,6 +9,7 @@ use rustc_span::{ExpnKind, MacroKind, Span, Symbol}; use crate::coverage::graph::{ BasicCoverageBlock, BasicCoverageBlockData, CoverageGraph, START_BCB, }; +use crate::coverage::spans::Covspan; use crate::coverage::ExtractedHirInfo; pub(crate) struct ExtractedCovspans { @@ -306,19 +307,8 @@ impl SpanFromMir { Self { span, visible_macro, bcb } } - /// Splits this span into 0-2 parts: - /// - The part that is strictly before the hole span, if any. - /// - The part that is strictly after the hole span, if any. - pub(crate) fn split_around_hole_span(&self, hole_span: Span) -> (Option, Option) { - let before = try { - let span = self.span.trim_end(hole_span)?; - Self { span, ..*self } - }; - let after = try { - let span = self.span.trim_start(hole_span)?; - Self { span, ..*self } - }; - - (before, after) + pub(crate) fn into_covspan(self) -> Covspan { + let Self { span, visible_macro: _, bcb } = self; + Covspan { span, bcb } } } From 89df41636b5b7a530c88ebf2e986431c5a6a6341 Mon Sep 17 00:00:00 2001 From: Jerry Wang Date: Sat, 15 Jun 2024 22:58:58 -0400 Subject: [PATCH 1587/1716] Remove `run-make-support/src/llvm_readobj.rs` --- .../run-make-support/src/llvm_readobj.rs | 45 ------------------- 1 file changed, 45 deletions(-) delete mode 100644 src/tools/run-make-support/src/llvm_readobj.rs diff --git a/src/tools/run-make-support/src/llvm_readobj.rs b/src/tools/run-make-support/src/llvm_readobj.rs deleted file mode 100644 index 3c719356e8f3..000000000000 --- a/src/tools/run-make-support/src/llvm_readobj.rs +++ /dev/null @@ -1,45 +0,0 @@ -use std::path::{Path, PathBuf}; - -use crate::command::Command; -use crate::env_var; - -/// Construct a new `llvm-readobj` invocation. This assumes that `llvm-readobj` is available -/// at `$LLVM_BIN_DIR/llvm-readobj`. -#[track_caller] -pub fn llvm_readobj() -> LlvmReadobj { - LlvmReadobj::new() -} - -/// A `llvm-readobj` invocation builder. -#[derive(Debug)] -#[must_use] -pub struct LlvmReadobj { - cmd: Command, -} - -crate::impl_common_helpers!(LlvmReadobj); - -impl LlvmReadobj { - /// Construct a new `llvm-readobj` invocation. This assumes that `llvm-readobj` is available - /// at `$LLVM_BIN_DIR/llvm-readobj`. - #[track_caller] - pub fn new() -> Self { - let llvm_bin_dir = env_var("LLVM_BIN_DIR"); - let llvm_bin_dir = PathBuf::from(llvm_bin_dir); - let llvm_readobj = llvm_bin_dir.join("llvm-readobj"); - let cmd = Command::new(llvm_readobj); - Self { cmd } - } - - /// Provide an input file. - pub fn input>(&mut self, path: P) -> &mut Self { - self.cmd.arg(path.as_ref()); - self - } - - /// Pass `--file-header` to display file headers. - pub fn file_header(&mut self) -> &mut Self { - self.cmd.arg("--file-header"); - self - } -} From eb0bad46353de33f2d228ff7a8d9245254b64057 Mon Sep 17 00:00:00 2001 From: Jerry Wang Date: Sat, 15 Jun 2024 23:10:42 -0400 Subject: [PATCH 1588/1716] Add drop bombs to `llvm.rs` --- src/tools/run-make-support/src/llvm.rs | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/tools/run-make-support/src/llvm.rs b/src/tools/run-make-support/src/llvm.rs index 414251abda29..664093e072d7 100644 --- a/src/tools/run-make-support/src/llvm.rs +++ b/src/tools/run-make-support/src/llvm.rs @@ -4,18 +4,21 @@ use crate::{env_var, Command}; /// Construct a new `llvm-readobj` invocation. This assumes that `llvm-readobj` is available /// at `$LLVM_BIN_DIR/llvm-readobj`. +#[track_caller] pub fn llvm_readobj() -> LlvmReadobj { LlvmReadobj::new() } /// Construct a new `llvm-profdata` invocation. This assumes that `llvm-profdata` is available /// at `$LLVM_BIN_DIR/llvm-profdata`. +#[track_caller] pub fn llvm_profdata() -> LlvmProfdata { LlvmProfdata::new() } /// Construct a new `llvm-filecheck` invocation. This assumes that `llvm-filecheck` is available /// at `$LLVM_FILECHECK`. +#[track_caller] pub fn llvm_filecheck() -> LlvmFilecheck { LlvmFilecheck::new() } @@ -55,6 +58,7 @@ pub fn llvm_bin_dir() -> PathBuf { impl LlvmReadobj { /// Construct a new `llvm-readobj` invocation. This assumes that `llvm-readobj` is available /// at `$LLVM_BIN_DIR/llvm-readobj`. + #[track_caller] pub fn new() -> Self { let llvm_readobj = llvm_bin_dir().join("llvm-readobj"); let cmd = Command::new(llvm_readobj); @@ -77,6 +81,7 @@ impl LlvmReadobj { impl LlvmProfdata { /// Construct a new `llvm-profdata` invocation. This assumes that `llvm-profdata` is available /// at `$LLVM_BIN_DIR/llvm-profdata`. + #[track_caller] pub fn new() -> Self { let llvm_profdata = llvm_bin_dir().join("llvm-profdata"); let cmd = Command::new(llvm_profdata); @@ -107,6 +112,7 @@ impl LlvmProfdata { impl LlvmFilecheck { /// Construct a new `llvm-filecheck` invocation. This assumes that `llvm-filecheck` is available /// at `$LLVM_FILECHECK`. + #[track_caller] pub fn new() -> Self { let llvm_filecheck = env_var("LLVM_FILECHECK"); let cmd = Command::new(llvm_filecheck); From 118f66c237acee3f4a1fd4a773d4b2ccabd93851 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Sun, 16 Jun 2024 01:28:22 +1000 Subject: [PATCH 1589/1716] coverage: Split out a function for dividing coverage spans into buckets --- .../rustc_mir_transform/src/coverage/spans.rs | 86 +++++++++++-------- 1 file changed, 52 insertions(+), 34 deletions(-) diff --git a/compiler/rustc_mir_transform/src/coverage/spans.rs b/compiler/rustc_mir_transform/src/coverage/spans.rs index 122a7957a1fd..dbc6718636fa 100644 --- a/compiler/rustc_mir_transform/src/coverage/spans.rs +++ b/compiler/rustc_mir_transform/src/coverage/spans.rs @@ -8,7 +8,7 @@ use rustc_span::Span; use crate::coverage::graph::{BasicCoverageBlock, CoverageGraph}; use crate::coverage::mappings; use crate::coverage::spans::from_mir::{ - extract_covspans_and_holes_from_mir, ExtractedCovspans, SpanFromMir, + extract_covspans_and_holes_from_mir, ExtractedCovspans, Hole, SpanFromMir, }; use crate::coverage::ExtractedHirInfo; @@ -53,39 +53,8 @@ pub(super) fn extract_refined_covspans( holes.sort_by(|a, b| compare_spans(a.span, b.span)); holes.dedup_by(|b, a| a.merge_if_overlapping_or_adjacent(b)); - // Now we're ready to start carving holes out of the initial coverage spans, - // and grouping them in buckets separated by the holes. - - let mut input_covspans = VecDeque::from(covspans); - let mut fragments = vec![]; - - // For each hole: - // - Identify the spans that are entirely or partly before the hole. - // - Put those spans in a corresponding bucket, truncated to the start of the hole. - // - If one of those spans also extends after the hole, put the rest of it - // in a "fragments" vector that is processed by the next hole. - let mut buckets = (0..holes.len()).map(|_| vec![]).collect::>(); - for (hole, bucket) in holes.iter().zip(&mut buckets) { - let fragments_from_prev = std::mem::take(&mut fragments); - - // Only inspect spans that precede or overlap this hole, - // leaving the rest to be inspected by later holes. - // (This relies on the spans and holes both being sorted.) - let relevant_input_covspans = - drain_front_while(&mut input_covspans, |c| c.span.lo() < hole.span.hi()); - - for covspan in fragments_from_prev.into_iter().chain(relevant_input_covspans) { - let (before, after) = covspan.split_around_hole_span(hole.span); - bucket.extend(before); - fragments.extend(after); - } - } - - // After finding the spans before each hole, any remaining fragments/spans - // form their own final bucket, after the final hole. - // (If there were no holes, this will just be all of the initial spans.) - fragments.extend(input_covspans); - buckets.push(fragments); + // Split the covspans into separate buckets that don't overlap any holes. + let buckets = divide_spans_into_buckets(covspans, &holes); for mut covspans in buckets { // Make sure each individual bucket is internally sorted. @@ -149,6 +118,55 @@ fn split_visible_macro_spans(covspans: &mut Vec) { covspans.extend(extra_spans); } +/// Uses the holes to divide the given covspans into buckets, such that: +/// - No span in any hole overlaps a bucket (truncating the spans if necessary). +/// - The spans in each bucket are strictly after all spans in previous buckets, +/// and strictly before all spans in subsequent buckets. +/// +/// The resulting buckets are sorted relative to each other, but might not be +/// internally sorted. +#[instrument(level = "debug")] +fn divide_spans_into_buckets(input_covspans: Vec, holes: &[Hole]) -> Vec> { + debug_assert!(input_covspans.is_sorted_by(|a, b| compare_spans(a.span, b.span).is_le())); + debug_assert!(holes.is_sorted_by(|a, b| compare_spans(a.span, b.span).is_le())); + + // Now we're ready to start carving holes out of the initial coverage spans, + // and grouping them in buckets separated by the holes. + + let mut input_covspans = VecDeque::from(input_covspans); + let mut fragments = vec![]; + + // For each hole: + // - Identify the spans that are entirely or partly before the hole. + // - Put those spans in a corresponding bucket, truncated to the start of the hole. + // - If one of those spans also extends after the hole, put the rest of it + // in a "fragments" vector that is processed by the next hole. + let mut buckets = (0..holes.len()).map(|_| vec![]).collect::>(); + for (hole, bucket) in holes.iter().zip(&mut buckets) { + let fragments_from_prev = std::mem::take(&mut fragments); + + // Only inspect spans that precede or overlap this hole, + // leaving the rest to be inspected by later holes. + // (This relies on the spans and holes both being sorted.) + let relevant_input_covspans = + drain_front_while(&mut input_covspans, |c| c.span.lo() < hole.span.hi()); + + for covspan in fragments_from_prev.into_iter().chain(relevant_input_covspans) { + let (before, after) = covspan.split_around_hole_span(hole.span); + bucket.extend(before); + fragments.extend(after); + } + } + + // After finding the spans before each hole, any remaining fragments/spans + // form their own final bucket, after the final hole. + // (If there were no holes, this will just be all of the initial spans.) + fragments.extend(input_covspans); + buckets.push(fragments); + + buckets +} + /// Similar to `.drain(..)`, but stops just before it would remove an item not /// satisfying the predicate. fn drain_front_while<'a, T>( From 2d3e6c88048fd19921346c9e945ccdf64fe97939 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Sat, 15 Jun 2024 23:39:04 +1000 Subject: [PATCH 1590/1716] coverage: Split span refinement into two separate steps --- .../rustc_mir_transform/src/coverage/spans.rs | 22 ++++++++++--------- 1 file changed, 12 insertions(+), 10 deletions(-) diff --git a/compiler/rustc_mir_transform/src/coverage/spans.rs b/compiler/rustc_mir_transform/src/coverage/spans.rs index dbc6718636fa..84a70d1f02d7 100644 --- a/compiler/rustc_mir_transform/src/coverage/spans.rs +++ b/compiler/rustc_mir_transform/src/coverage/spans.rs @@ -59,8 +59,15 @@ pub(super) fn extract_refined_covspans( for mut covspans in buckets { // Make sure each individual bucket is internally sorted. covspans.sort_by(compare_covspans); + let _span = debug_span!("processing bucket", ?covspans).entered(); + + let mut covspans = remove_unwanted_overlapping_spans(covspans); + debug!(?covspans, "after removing overlaps"); + + // Do one last merge pass, to simplify the output. + covspans.dedup_by(|b, a| a.merge_if_eligible(b)); + debug!(?covspans, "after merge"); - let covspans = refine_sorted_spans(covspans); code_mappings.extend(covspans.into_iter().map(|Covspan { span, bcb }| { // Each span produced by the refiner represents an ordinary code region. mappings::CodeMapping { span, bcb } @@ -177,10 +184,11 @@ fn drain_front_while<'a, T>( } /// Takes one of the buckets of (sorted) spans extracted from MIR, and "refines" -/// those spans by removing spans that overlap in unwanted ways, and by merging -/// compatible adjacent spans. +/// those spans by removing spans that overlap in unwanted ways. #[instrument(level = "debug")] -fn refine_sorted_spans(sorted_spans: Vec) -> Vec { +fn remove_unwanted_overlapping_spans(sorted_spans: Vec) -> Vec { + debug_assert!(sorted_spans.is_sorted_by(|a, b| compare_spans(a.span, b.span).is_le())); + // Holds spans that have been read from the input vector, but haven't yet // been committed to the output vector. let mut pending = vec![]; @@ -205,12 +213,6 @@ fn refine_sorted_spans(sorted_spans: Vec) -> Vec { // Drain the rest of the pending list into the refined list. refined.extend(pending); - - // Do one last merge pass, to simplify the output. - debug!(?refined, "before merge"); - refined.dedup_by(|b, a| a.merge_if_eligible(b)); - debug!(?refined, "after merge"); - refined } From 5eb30f06993ea1dab0926d81f6d407d894b593e8 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Sun, 16 Jun 2024 14:44:28 +1000 Subject: [PATCH 1591/1716] coverage: Remove some old low-value unit tests for graph traversal These tests might have originally been useful as an implementation aid, but now they don't provide enough value to justify the burden of updating them as the underlying code changes. The code they test is still exercised by the main end-to-end coverage tests. --- .../src/coverage/counters.rs | 5 - .../rustc_mir_transform/src/coverage/tests.rs | 106 ------------------ 2 files changed, 111 deletions(-) diff --git a/compiler/rustc_mir_transform/src/coverage/counters.rs b/compiler/rustc_mir_transform/src/coverage/counters.rs index b5968517d772..a8b0f4a8d6df 100644 --- a/compiler/rustc_mir_transform/src/coverage/counters.rs +++ b/compiler/rustc_mir_transform/src/coverage/counters.rs @@ -168,11 +168,6 @@ impl CoverageCounters { self.counter_increment_sites.len() } - #[cfg(test)] - pub(super) fn num_expressions(&self) -> usize { - self.expressions.len() - } - fn set_bcb_counter(&mut self, bcb: BasicCoverageBlock, counter_kind: BcbCounter) -> BcbCounter { if let Some(replaced) = self.bcb_counters[bcb].replace(counter_kind) { bug!( diff --git a/compiler/rustc_mir_transform/src/coverage/tests.rs b/compiler/rustc_mir_transform/src/coverage/tests.rs index ca64688e6b87..048547dc9f54 100644 --- a/compiler/rustc_mir_transform/src/coverage/tests.rs +++ b/compiler/rustc_mir_transform/src/coverage/tests.rs @@ -24,7 +24,6 @@ //! globals is comparatively simpler. The easiest way is to wrap the test in a closure argument //! to: `rustc_span::create_default_session_globals_then(|| { test_here(); })`. -use super::counters; use super::graph::{self, BasicCoverageBlock}; use itertools::Itertools; @@ -551,108 +550,3 @@ fn test_covgraph_switchint_loop_then_inner_loop_else_break() { assert_successors(&basic_coverage_blocks, bcb(5), &[bcb(1)]); assert_successors(&basic_coverage_blocks, bcb(6), &[bcb(4)]); } - -#[test] -fn test_find_loop_backedges_none() { - let mir_body = goto_switchint(); - let basic_coverage_blocks = graph::CoverageGraph::from_mir(&mir_body); - if false { - eprintln!( - "basic_coverage_blocks = {:?}", - basic_coverage_blocks.iter_enumerated().collect::>() - ); - eprintln!("successors = {:?}", basic_coverage_blocks.successors); - } - let backedges = graph::find_loop_backedges(&basic_coverage_blocks); - assert_eq!( - backedges.iter_enumerated().map(|(_bcb, backedges)| backedges.len()).sum::(), - 0, - "backedges: {:?}", - backedges - ); -} - -#[test] -fn test_find_loop_backedges_one() { - let mir_body = switchint_then_loop_else_return(); - let basic_coverage_blocks = graph::CoverageGraph::from_mir(&mir_body); - let backedges = graph::find_loop_backedges(&basic_coverage_blocks); - assert_eq!( - backedges.iter_enumerated().map(|(_bcb, backedges)| backedges.len()).sum::(), - 1, - "backedges: {:?}", - backedges - ); - - assert_eq!(backedges[bcb(1)], &[bcb(3)]); -} - -#[test] -fn test_find_loop_backedges_two() { - let mir_body = switchint_loop_then_inner_loop_else_break(); - let basic_coverage_blocks = graph::CoverageGraph::from_mir(&mir_body); - let backedges = graph::find_loop_backedges(&basic_coverage_blocks); - assert_eq!( - backedges.iter_enumerated().map(|(_bcb, backedges)| backedges.len()).sum::(), - 2, - "backedges: {:?}", - backedges - ); - - assert_eq!(backedges[bcb(1)], &[bcb(5)]); - assert_eq!(backedges[bcb(4)], &[bcb(6)]); -} - -#[test] -fn test_traverse_coverage_with_loops() { - let mir_body = switchint_loop_then_inner_loop_else_break(); - let basic_coverage_blocks = graph::CoverageGraph::from_mir(&mir_body); - let mut traversed_in_order = Vec::new(); - let mut traversal = graph::TraverseCoverageGraphWithLoops::new(&basic_coverage_blocks); - while let Some(bcb) = traversal.next() { - traversed_in_order.push(bcb); - } - - // bcb0 is visited first. Then bcb1 starts the first loop, and all remaining nodes, *except* - // bcb6 are inside the first loop. - assert_eq!( - *traversed_in_order.last().expect("should have elements"), - bcb(6), - "bcb6 should not be visited until all nodes inside the first loop have been visited" - ); -} - -#[test] -fn test_make_bcb_counters() { - rustc_span::create_default_session_globals_then(|| { - let mir_body = goto_switchint(); - let basic_coverage_blocks = graph::CoverageGraph::from_mir(&mir_body); - // Historically this test would use `spans` internals to set up fake - // coverage spans for BCBs 1 and 2. Now we skip that step and just tell - // BCB counter construction that those BCBs have spans. - let bcb_has_coverage_spans = |bcb: BasicCoverageBlock| (1..=2).contains(&bcb.as_usize()); - let coverage_counters = counters::CoverageCounters::make_bcb_counters( - &basic_coverage_blocks, - bcb_has_coverage_spans, - ); - assert_eq!(coverage_counters.num_expressions(), 0); - - assert_eq!( - 0, // bcb1 has a `Counter` with id = 0 - match coverage_counters.bcb_counter(bcb(1)).expect("should have a counter") { - counters::BcbCounter::Counter { id, .. } => id, - _ => panic!("expected a Counter"), - } - .as_u32() - ); - - assert_eq!( - 1, // bcb2 has a `Counter` with id = 1 - match coverage_counters.bcb_counter(bcb(2)).expect("should have a counter") { - counters::BcbCounter::Counter { id, .. } => id, - _ => panic!("expected a Counter"), - } - .as_u32() - ); - }); -} From 917b455a872050b90474043f31ef657b338526ba Mon Sep 17 00:00:00 2001 From: Zalathar Date: Sun, 16 Jun 2024 14:04:36 +1000 Subject: [PATCH 1592/1716] coverage: Reduce/simplify visibility in `coverage::graph` Using `pub(super)` makes it harder to move code between modules, and doesn't provide much privacy benefit over `pub(crate)`. --- .../rustc_mir_transform/src/coverage/graph.rs | 52 ++++++++++--------- 1 file changed, 28 insertions(+), 24 deletions(-) diff --git a/compiler/rustc_mir_transform/src/coverage/graph.rs b/compiler/rustc_mir_transform/src/coverage/graph.rs index fd74a2a97e2c..544195a80fca 100644 --- a/compiler/rustc_mir_transform/src/coverage/graph.rs +++ b/compiler/rustc_mir_transform/src/coverage/graph.rs @@ -14,16 +14,16 @@ use std::ops::{Index, IndexMut}; /// A coverage-specific simplification of the MIR control flow graph (CFG). The `CoverageGraph`s /// nodes are `BasicCoverageBlock`s, which encompass one or more MIR `BasicBlock`s. #[derive(Debug)] -pub(super) struct CoverageGraph { +pub(crate) struct CoverageGraph { bcbs: IndexVec, bb_to_bcb: IndexVec>, - pub successors: IndexVec>, - pub predecessors: IndexVec>, + pub(crate) successors: IndexVec>, + pub(crate) predecessors: IndexVec>, dominators: Option>, } impl CoverageGraph { - pub fn from_mir(mir_body: &mir::Body<'_>) -> Self { + pub(crate) fn from_mir(mir_body: &mir::Body<'_>) -> Self { let (bcbs, bb_to_bcb) = Self::compute_basic_coverage_blocks(mir_body); // Pre-transform MIR `BasicBlock` successors and predecessors into the BasicCoverageBlock @@ -135,24 +135,28 @@ impl CoverageGraph { } #[inline(always)] - pub fn iter_enumerated( + pub(crate) fn iter_enumerated( &self, ) -> impl Iterator { self.bcbs.iter_enumerated() } #[inline(always)] - pub fn bcb_from_bb(&self, bb: BasicBlock) -> Option { + pub(crate) fn bcb_from_bb(&self, bb: BasicBlock) -> Option { if bb.index() < self.bb_to_bcb.len() { self.bb_to_bcb[bb] } else { None } } #[inline(always)] - pub fn dominates(&self, dom: BasicCoverageBlock, node: BasicCoverageBlock) -> bool { + pub(crate) fn dominates(&self, dom: BasicCoverageBlock, node: BasicCoverageBlock) -> bool { self.dominators.as_ref().unwrap().dominates(dom, node) } #[inline(always)] - pub fn cmp_in_dominator_order(&self, a: BasicCoverageBlock, b: BasicCoverageBlock) -> Ordering { + pub(crate) fn cmp_in_dominator_order( + &self, + a: BasicCoverageBlock, + b: BasicCoverageBlock, + ) -> Ordering { self.dominators.as_ref().unwrap().cmp_in_dominator_order(a, b) } @@ -166,7 +170,7 @@ impl CoverageGraph { /// /// FIXME: That assumption might not be true for [`TerminatorKind::Yield`]? #[inline(always)] - pub(super) fn bcb_has_multiple_in_edges(&self, bcb: BasicCoverageBlock) -> bool { + pub(crate) fn bcb_has_multiple_in_edges(&self, bcb: BasicCoverageBlock) -> bool { // Even though bcb0 conceptually has an extra virtual in-edge due to // being the entry point, we've already asserted that it has no _other_ // in-edges, so there's no possibility of it having _multiple_ in-edges. @@ -227,7 +231,7 @@ rustc_index::newtype_index! { /// A node in the control-flow graph of CoverageGraph. #[orderable] #[debug_format = "bcb{}"] - pub(super) struct BasicCoverageBlock { + pub(crate) struct BasicCoverageBlock { const START_BCB = 0; } } @@ -259,23 +263,23 @@ rustc_index::newtype_index! { /// queries (`dominates()`, `predecessors`, `successors`, etc.) have branch (control flow) /// significance. #[derive(Debug, Clone)] -pub(super) struct BasicCoverageBlockData { - pub basic_blocks: Vec, +pub(crate) struct BasicCoverageBlockData { + pub(crate) basic_blocks: Vec, } impl BasicCoverageBlockData { - pub fn from(basic_blocks: Vec) -> Self { + fn from(basic_blocks: Vec) -> Self { assert!(basic_blocks.len() > 0); Self { basic_blocks } } #[inline(always)] - pub fn leader_bb(&self) -> BasicBlock { + pub(crate) fn leader_bb(&self) -> BasicBlock { self.basic_blocks[0] } #[inline(always)] - pub fn last_bb(&self) -> BasicBlock { + pub(crate) fn last_bb(&self) -> BasicBlock { *self.basic_blocks.last().unwrap() } } @@ -364,7 +368,7 @@ fn bcb_filtered_successors<'a, 'tcx>(terminator: &'a Terminator<'tcx>) -> Covera /// CoverageGraph outside all loops. This supports traversing the BCB CFG in a way that /// ensures a loop is completely traversed before processing Blocks after the end of the loop. #[derive(Debug)] -pub(super) struct TraversalContext { +struct TraversalContext { /// BCB with one or more incoming loop backedges, indicating which loop /// this context is for. /// @@ -375,7 +379,7 @@ pub(super) struct TraversalContext { worklist: VecDeque, } -pub(super) struct TraverseCoverageGraphWithLoops<'a> { +pub(crate) struct TraverseCoverageGraphWithLoops<'a> { basic_coverage_blocks: &'a CoverageGraph, backedges: IndexVec>, @@ -384,7 +388,7 @@ pub(super) struct TraverseCoverageGraphWithLoops<'a> { } impl<'a> TraverseCoverageGraphWithLoops<'a> { - pub(super) fn new(basic_coverage_blocks: &'a CoverageGraph) -> Self { + pub(crate) fn new(basic_coverage_blocks: &'a CoverageGraph) -> Self { let backedges = find_loop_backedges(basic_coverage_blocks); let worklist = VecDeque::from([basic_coverage_blocks.start_node()]); @@ -400,7 +404,7 @@ impl<'a> TraverseCoverageGraphWithLoops<'a> { /// For each loop on the loop context stack (top-down), yields a list of BCBs /// within that loop that have an outgoing edge back to the loop header. - pub(super) fn reloop_bcbs_per_loop(&self) -> impl Iterator { + pub(crate) fn reloop_bcbs_per_loop(&self) -> impl Iterator { self.context_stack .iter() .rev() @@ -408,7 +412,7 @@ impl<'a> TraverseCoverageGraphWithLoops<'a> { .map(|header_bcb| self.backedges[header_bcb].as_slice()) } - pub(super) fn next(&mut self) -> Option { + pub(crate) fn next(&mut self) -> Option { debug!( "TraverseCoverageGraphWithLoops::next - context_stack: {:?}", self.context_stack.iter().rev().collect::>() @@ -440,7 +444,7 @@ impl<'a> TraverseCoverageGraphWithLoops<'a> { None } - pub fn add_successors_to_worklists(&mut self, bcb: BasicCoverageBlock) { + fn add_successors_to_worklists(&mut self, bcb: BasicCoverageBlock) { let successors = &self.basic_coverage_blocks.successors[bcb]; debug!("{:?} has {} successors:", bcb, successors.len()); @@ -494,11 +498,11 @@ impl<'a> TraverseCoverageGraphWithLoops<'a> { } } - pub fn is_complete(&self) -> bool { + pub(crate) fn is_complete(&self) -> bool { self.visited.count() == self.visited.domain_size() } - pub fn unvisited(&self) -> Vec { + pub(crate) fn unvisited(&self) -> Vec { let mut unvisited_set: BitSet = BitSet::new_filled(self.visited.domain_size()); unvisited_set.subtract(&self.visited); @@ -506,7 +510,7 @@ impl<'a> TraverseCoverageGraphWithLoops<'a> { } } -pub(super) fn find_loop_backedges( +fn find_loop_backedges( basic_coverage_blocks: &CoverageGraph, ) -> IndexVec> { let num_bcbs = basic_coverage_blocks.num_nodes(); From dca6b5eeade5f369c4cb021f1f405b453db35870 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Sun, 16 Jun 2024 13:01:41 +1000 Subject: [PATCH 1593/1716] coverage: Flatten some graph code with let-else --- .../rustc_mir_transform/src/coverage/graph.rs | 35 +++++++++---------- 1 file changed, 17 insertions(+), 18 deletions(-) diff --git a/compiler/rustc_mir_transform/src/coverage/graph.rs b/compiler/rustc_mir_transform/src/coverage/graph.rs index 544195a80fca..607cb14f4c3a 100644 --- a/compiler/rustc_mir_transform/src/coverage/graph.rs +++ b/compiler/rustc_mir_transform/src/coverage/graph.rs @@ -419,26 +419,25 @@ impl<'a> TraverseCoverageGraphWithLoops<'a> { ); while let Some(context) = self.context_stack.last_mut() { - if let Some(bcb) = context.worklist.pop_front() { - if !self.visited.insert(bcb) { - debug!("Already visited: {bcb:?}"); - continue; - } - debug!("Visiting {bcb:?}"); - - if self.backedges[bcb].len() > 0 { - debug!("{bcb:?} is a loop header! Start a new TraversalContext..."); - self.context_stack.push(TraversalContext { - loop_header: Some(bcb), - worklist: VecDeque::new(), - }); - } - self.add_successors_to_worklists(bcb); - return Some(bcb); - } else { - // Strip contexts with empty worklists from the top of the stack + let Some(bcb) = context.worklist.pop_front() else { + // This stack level is exhausted; pop it and try the next one. self.context_stack.pop(); + continue; + }; + + if !self.visited.insert(bcb) { + debug!("Already visited: {bcb:?}"); + continue; } + debug!("Visiting {bcb:?}"); + + if self.backedges[bcb].len() > 0 { + debug!("{bcb:?} is a loop header! Start a new TraversalContext..."); + self.context_stack + .push(TraversalContext { loop_header: Some(bcb), worklist: VecDeque::new() }); + } + self.add_successors_to_worklists(bcb); + return Some(bcb); } None From e5b43c33d8c729022218fe4e8515aea5799f3660 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Sun, 16 Jun 2024 15:51:00 +1000 Subject: [PATCH 1594/1716] coverage: Prefer `Iterator::copied` --- compiler/rustc_mir_transform/src/coverage/graph.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/compiler/rustc_mir_transform/src/coverage/graph.rs b/compiler/rustc_mir_transform/src/coverage/graph.rs index 607cb14f4c3a..360dccb240dc 100644 --- a/compiler/rustc_mir_transform/src/coverage/graph.rs +++ b/compiler/rustc_mir_transform/src/coverage/graph.rs @@ -216,7 +216,7 @@ impl graph::StartNode for CoverageGraph { impl graph::Successors for CoverageGraph { #[inline] fn successors(&self, node: Self::Node) -> impl Iterator { - self.successors[node].iter().cloned() + self.successors[node].iter().copied() } } From 893f95f1f7c663c67c884120003b3bf21b0af61a Mon Sep 17 00:00:00 2001 From: lukaslueg Date: Sun, 16 Jun 2024 09:07:08 +0200 Subject: [PATCH 1595/1716] Update `Arc::try_unwrap()` docs Clarify the language wrt `race condition` not meaning `memory unsafety`. --- library/alloc/src/sync.rs | 21 ++++++++++++--------- 1 file changed, 12 insertions(+), 9 deletions(-) diff --git a/library/alloc/src/sync.rs b/library/alloc/src/sync.rs index 60e3918157ef..f9d884e0ea55 100644 --- a/library/alloc/src/sync.rs +++ b/library/alloc/src/sync.rs @@ -940,15 +940,18 @@ impl Arc { /// This will succeed even if there are outstanding weak references. /// /// It is strongly recommended to use [`Arc::into_inner`] instead if you don't - /// want to keep the `Arc` in the [`Err`] case. - /// Immediately dropping the [`Err`] payload, like in the expression - /// `Arc::try_unwrap(this).ok()`, can still cause the strong count to - /// drop to zero and the inner value of the `Arc` to be dropped: - /// For instance if two threads each execute this expression in parallel, then - /// there is a race condition. The threads could first both check whether they - /// have the last clone of their `Arc` via `Arc::try_unwrap`, and then - /// both drop their `Arc` in the call to [`ok`][`Result::ok`], - /// taking the strong count from two down to zero. + /// keep the `Arc` in the [`Err`] case. + /// Immediately dropping the [`Err`]-value, as the expression + /// `Arc::try_unwrap(this).ok()` does, can cause the strong count to + /// drop to zero and the inner value of the `Arc` to be dropped. + /// For instance, if two threads execute such an expression in parallel, + /// there is a race condition without the possibility of unsafety: + /// The threads could first both check whether they own the last instance + /// in `Arc::try_unwrap`, determine that they both do not, and then both + /// discard and drop their instance in the call to [`ok`][`Result::ok`]. + /// In this scenario, the value inside the `Arc` is safely destroyed + /// by exactly one of the threads, but neither thread will ever be able + /// to use the value. /// /// # Examples /// From 51d95464169751604a3cf70b1c8c524450258427 Mon Sep 17 00:00:00 2001 From: Slanterns Date: Sun, 16 Jun 2024 15:56:13 +0800 Subject: [PATCH 1596/1716] Apply suggestion. Co-authored-by: Jubilee <46493976+workingjubilee@users.noreply.github.com> --- tests/codegen/error-provide.rs | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/tests/codegen/error-provide.rs b/tests/codegen/error-provide.rs index e80905eee110..68dd383e5cce 100644 --- a/tests/codegen/error-provide.rs +++ b/tests/codegen/error-provide.rs @@ -36,7 +36,9 @@ impl std::error::Error for MyError { // LLVM should be able to optimize multiple .provide_* calls into a switch table // and eliminate redundant ones, rather than compare one-by-one. - // CHECK: switch i64 %{{.*}}, label %{{.*}} [ + // CHECK-NEXT: start: + // CHECK-NEXT: %[[SCRUTINEE:[^ ]+]] = load i64, ptr + // CHECK-NEXT: switch i64 %[[SCRUTINEE]], label %{{.*}} [ // CHECK-COUNT-3: i64 {{.*}}, label %{{.*}} // CHECK-NEXT: ] request From ac751b3049ac6b7d080eae796acb215c5eb36df3 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Sun, 16 Jun 2024 11:46:02 +0200 Subject: [PATCH 1597/1716] Migrate `run-make/duplicate-output-flavors` to `rmake.rs` --- src/tools/tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/duplicate-output-flavors/Makefile | 5 ----- tests/run-make/duplicate-output-flavors/rmake.rs | 6 ++++++ 3 files changed, 6 insertions(+), 6 deletions(-) delete mode 100644 tests/run-make/duplicate-output-flavors/Makefile create mode 100644 tests/run-make/duplicate-output-flavors/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index be9df226d64e..9a6111db79df 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -31,7 +31,6 @@ run-make/dep-info-spaces/Makefile run-make/dep-info/Makefile run-make/dump-ice-to-disk/Makefile run-make/dump-mono-stats/Makefile -run-make/duplicate-output-flavors/Makefile run-make/dylib-chain/Makefile run-make/emit-path-unhashed/Makefile run-make/emit-shared-files/Makefile diff --git a/tests/run-make/duplicate-output-flavors/Makefile b/tests/run-make/duplicate-output-flavors/Makefile deleted file mode 100644 index e33279966c97..000000000000 --- a/tests/run-make/duplicate-output-flavors/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -include ../tools.mk - -all: - $(RUSTC) --crate-type=rlib foo.rs - $(RUSTC) --crate-type=rlib,rlib foo.rs diff --git a/tests/run-make/duplicate-output-flavors/rmake.rs b/tests/run-make/duplicate-output-flavors/rmake.rs new file mode 100644 index 000000000000..09545228807b --- /dev/null +++ b/tests/run-make/duplicate-output-flavors/rmake.rs @@ -0,0 +1,6 @@ +use run_make_support::rustc; + +fn main() { + rustc().input("foo.rs").crate_type("rlib").run(); + rustc().input("foo.rs").crate_type("rlib,rlib").run(); +} From c6c1c992e2f7b7084cae6268fb9635f55bd5ecc6 Mon Sep 17 00:00:00 2001 From: Vadim Petrochenkov Date: Sun, 16 Jun 2024 00:53:00 +0300 Subject: [PATCH 1598/1716] rustc_span: Optimize more hygiene operations using `Span::map_ctxt` --- compiler/rustc_span/src/lib.rs | 40 +++++++++++++++++++++------------- 1 file changed, 25 insertions(+), 15 deletions(-) diff --git a/compiler/rustc_span/src/lib.rs b/compiler/rustc_span/src/lib.rs index b7ffe6c618af..5c63e6b86494 100644 --- a/compiler/rustc_span/src/lib.rs +++ b/compiler/rustc_span/src/lib.rs @@ -1065,33 +1065,41 @@ impl Span { #[inline] pub fn remove_mark(&mut self) -> ExpnId { - let mut span = self.data(); - let mark = span.ctxt.remove_mark(); - *self = Span::new(span.lo, span.hi, span.ctxt, span.parent); + let mut mark = ExpnId::root(); + *self = self.map_ctxt(|mut ctxt| { + mark = ctxt.remove_mark(); + ctxt + }); mark } #[inline] pub fn adjust(&mut self, expn_id: ExpnId) -> Option { - let mut span = self.data(); - let mark = span.ctxt.adjust(expn_id); - *self = Span::new(span.lo, span.hi, span.ctxt, span.parent); + let mut mark = None; + *self = self.map_ctxt(|mut ctxt| { + mark = ctxt.adjust(expn_id); + ctxt + }); mark } #[inline] pub fn normalize_to_macros_2_0_and_adjust(&mut self, expn_id: ExpnId) -> Option { - let mut span = self.data(); - let mark = span.ctxt.normalize_to_macros_2_0_and_adjust(expn_id); - *self = Span::new(span.lo, span.hi, span.ctxt, span.parent); + let mut mark = None; + *self = self.map_ctxt(|mut ctxt| { + mark = ctxt.normalize_to_macros_2_0_and_adjust(expn_id); + ctxt + }); mark } #[inline] pub fn glob_adjust(&mut self, expn_id: ExpnId, glob_span: Span) -> Option> { - let mut span = self.data(); - let mark = span.ctxt.glob_adjust(expn_id, glob_span); - *self = Span::new(span.lo, span.hi, span.ctxt, span.parent); + let mut mark = None; + *self = self.map_ctxt(|mut ctxt| { + mark = ctxt.glob_adjust(expn_id, glob_span); + ctxt + }); mark } @@ -1101,9 +1109,11 @@ impl Span { expn_id: ExpnId, glob_span: Span, ) -> Option> { - let mut span = self.data(); - let mark = span.ctxt.reverse_glob_adjust(expn_id, glob_span); - *self = Span::new(span.lo, span.hi, span.ctxt, span.parent); + let mut mark = None; + *self = self.map_ctxt(|mut ctxt| { + mark = ctxt.reverse_glob_adjust(expn_id, glob_span); + ctxt + }); mark } From 14da80c37279ada8d92d3f900414ebc0d7935e13 Mon Sep 17 00:00:00 2001 From: Vadim Petrochenkov Date: Sun, 16 Jun 2024 00:53:00 +0300 Subject: [PATCH 1599/1716] rustc_span: Minor improvements Introduce `{IndexNewtype,SyntaxContext}::from_u16` for convenience because small indices are sometimes encoded as `u16`. Use `SpanData::span` instead of `Span::new` where appropriate. Add a clarifying comment about decoding span parents. --- compiler/rustc_index_macros/src/newtype.rs | 15 +++++++++++++++ compiler/rustc_infer/src/infer/mod.rs | 4 ++-- compiler/rustc_metadata/src/rmeta/decoder.rs | 4 ++-- compiler/rustc_span/src/hygiene.rs | 5 +++++ compiler/rustc_span/src/lib.rs | 4 ++-- compiler/rustc_span/src/span_encoding.rs | 15 +++++++-------- 6 files changed, 33 insertions(+), 14 deletions(-) diff --git a/compiler/rustc_index_macros/src/newtype.rs b/compiler/rustc_index_macros/src/newtype.rs index fe9a048734fc..41863f7b15f9 100644 --- a/compiler/rustc_index_macros/src/newtype.rs +++ b/compiler/rustc_index_macros/src/newtype.rs @@ -205,6 +205,21 @@ impl Parse for Newtype { } } + /// Creates a new index from a given `u16`. + /// + /// # Panics + /// + /// Will panic if `value` exceeds `MAX`. + #[inline] + #vis const fn from_u16(value: u16) -> Self { + let value = value as u32; + assert!(value <= #max); + // SAFETY: We just checked that `value <= max`. + unsafe { + Self::from_u32_unchecked(value) + } + } + /// Creates a new index from a given `u32`. /// /// # Safety diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs index 9447ea06fddb..8412912b9f37 100644 --- a/compiler/rustc_infer/src/infer/mod.rs +++ b/compiler/rustc_infer/src/infer/mod.rs @@ -881,13 +881,13 @@ impl<'tcx> InferCtxt<'tcx> { .collect(); vars.extend( (0..inner.int_unification_table().len()) - .map(|i| ty::IntVid::from_u32(i as u32)) + .map(|i| ty::IntVid::from_usize(i)) .filter(|&vid| inner.int_unification_table().probe_value(vid).is_unknown()) .map(|v| Ty::new_int_var(self.tcx, v)), ); vars.extend( (0..inner.float_unification_table().len()) - .map(|i| ty::FloatVid::from_u32(i as u32)) + .map(|i| ty::FloatVid::from_usize(i)) .filter(|&vid| inner.float_unification_table().probe_value(vid).is_unknown()) .map(|v| Ty::new_float_var(self.tcx, v)), ); diff --git a/compiler/rustc_metadata/src/rmeta/decoder.rs b/compiler/rustc_metadata/src/rmeta/decoder.rs index 19bb943e6bcc..ea7037740f17 100644 --- a/compiler/rustc_metadata/src/rmeta/decoder.rs +++ b/compiler/rustc_metadata/src/rmeta/decoder.rs @@ -539,7 +539,7 @@ impl<'a, 'tcx> SpanDecoder for DecodeContext<'a, 'tcx> { } else { SpanData::decode(self) }; - Span::new(data.lo, data.hi, data.ctxt, data.parent) + data.span() } fn decode_symbol(&mut self) -> Symbol { @@ -669,7 +669,7 @@ impl<'a, 'tcx> Decodable> for SpanData { let lo = lo + source_file.translated_source_file.start_pos; let hi = hi + source_file.translated_source_file.start_pos; - // Do not try to decode parent for foreign spans. + // Do not try to decode parent for foreign spans (it wasn't encoded in the first place). SpanData { lo, hi, ctxt, parent: None } } } diff --git a/compiler/rustc_span/src/hygiene.rs b/compiler/rustc_span/src/hygiene.rs index 00ef17d630c5..ba0ad9230c86 100644 --- a/compiler/rustc_span/src/hygiene.rs +++ b/compiler/rustc_span/src/hygiene.rs @@ -691,6 +691,11 @@ impl SyntaxContext { SyntaxContext(raw) } + #[inline] + pub(crate) const fn from_u16(raw: u16) -> SyntaxContext { + SyntaxContext(raw as u32) + } + /// Extend a syntax context with a given expansion and transparency. pub fn apply_mark(self, expn_id: ExpnId, transparency: Transparency) -> SyntaxContext { HygieneData::with(|data| data.apply_mark(self, expn_id, transparency)) diff --git a/compiler/rustc_span/src/lib.rs b/compiler/rustc_span/src/lib.rs index b7ffe6c618af..9c557ed148cd 100644 --- a/compiler/rustc_span/src/lib.rs +++ b/compiler/rustc_span/src/lib.rs @@ -967,7 +967,7 @@ impl Span { /// This span, but in a larger context, may switch to the metavariable span if suitable. pub fn with_neighbor(self, neighbor: Span) -> Span { match Span::prepare_to_combine(self, neighbor) { - Ok((this, ..)) => Span::new(this.lo, this.hi, this.ctxt, this.parent), + Ok((this, ..)) => this.span(), Err(_) => self, } } @@ -1352,7 +1352,7 @@ impl fmt::Debug for Span { impl fmt::Debug for SpanData { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - fmt::Debug::fmt(&Span::new(self.lo, self.hi, self.ctxt, self.parent), f) + fmt::Debug::fmt(&self.span(), f) } } diff --git a/compiler/rustc_span/src/span_encoding.rs b/compiler/rustc_span/src/span_encoding.rs index 9d5bc5b05125..31d2a9db01df 100644 --- a/compiler/rustc_span/src/span_encoding.rs +++ b/compiler/rustc_span/src/span_encoding.rs @@ -121,7 +121,7 @@ impl InlineCtxt { SpanData { lo: BytePos(self.lo), hi: BytePos(self.lo.debug_strict_add(len)), - ctxt: SyntaxContext::from_u32(self.ctxt as u32), + ctxt: SyntaxContext::from_u16(self.ctxt), parent: None, } } @@ -146,7 +146,7 @@ impl InlineParent { lo: BytePos(self.lo), hi: BytePos(self.lo.debug_strict_add(len)), ctxt: SyntaxContext::root(), - parent: Some(LocalDefId { local_def_index: DefIndex::from_u32(self.parent as u32) }), + parent: Some(LocalDefId { local_def_index: DefIndex::from_u16(self.parent) }), } } #[inline] @@ -167,7 +167,7 @@ impl PartiallyInterned { #[inline] fn data(self) -> SpanData { SpanData { - ctxt: SyntaxContext::from_u32(self.ctxt as u32), + ctxt: SyntaxContext::from_u16(self.ctxt), ..with_span_interner(|interner| interner.spans[self.index as usize]) } } @@ -331,8 +331,7 @@ impl Span { match_span_kind! { self, InlineCtxt(span) => { - updated_ctxt32 = - update(SyntaxContext::from_u32(span.ctxt as u32)).as_u32(); + updated_ctxt32 = update(SyntaxContext::from_u16(span.ctxt)).as_u32(); // Any small new context including zero will preserve the format. if updated_ctxt32 <= MAX_CTXT { return InlineCtxt::span(span.lo, span.len, updated_ctxt32 as u16); @@ -349,7 +348,7 @@ impl Span { data = span.data(); }, PartiallyInterned(span) => { - updated_ctxt32 = update(SyntaxContext::from_u32(span.ctxt as u32)).as_u32(); + updated_ctxt32 = update(SyntaxContext::from_u16(span.ctxt)).as_u32(); // Any small new context excluding zero will preserve the format. // Zero may change the format to `InlineParent` if parent and len are small enough. if updated_ctxt32 <= MAX_CTXT && updated_ctxt32 != 0 { @@ -373,9 +372,9 @@ impl Span { fn inline_ctxt(self) -> Result { match_span_kind! { self, - InlineCtxt(span) => Ok(SyntaxContext::from_u32(span.ctxt as u32)), + InlineCtxt(span) => Ok(SyntaxContext::from_u16(span.ctxt)), InlineParent(_span) => Ok(SyntaxContext::root()), - PartiallyInterned(span) => Ok(SyntaxContext::from_u32(span.ctxt as u32)), + PartiallyInterned(span) => Ok(SyntaxContext::from_u16(span.ctxt)), Interned(span) => Err(span.index as usize), } } From cf9510cd3382fb1a5b4902a1b0e68af3e3274931 Mon Sep 17 00:00:00 2001 From: joboet Date: Sun, 16 Jun 2024 13:14:01 +0200 Subject: [PATCH 1600/1716] std: move `sys_common::backtrace` to `sys` --- library/std/src/backtrace.rs | 2 +- library/std/src/error.rs | 2 +- library/std/src/panicking.rs | 6 +++--- library/std/src/rt.rs | 2 +- library/std/src/{sys_common => sys}/backtrace.rs | 4 ++-- library/std/src/sys/mod.rs | 1 + library/std/src/sys_common/mod.rs | 1 - library/std/src/thread/mod.rs | 2 +- .../function_calls/exported_symbol_bad_unwind2.both.stderr | 2 +- .../exported_symbol_bad_unwind2.definition.stderr | 2 +- .../tests/fail/intrinsics/uninit_uninhabited_type.stderr | 2 +- src/tools/miri/tests/fail/intrinsics/zero_fn_ptr.stderr | 2 +- src/tools/miri/tests/fail/panic/double_panic.stderr | 2 +- src/tools/miri/tests/fail/panic/panic_abort1.stderr | 2 +- src/tools/miri/tests/fail/panic/panic_abort2.stderr | 2 +- src/tools/miri/tests/fail/panic/panic_abort3.stderr | 2 +- src/tools/miri/tests/fail/panic/panic_abort4.stderr | 2 +- src/tools/miri/tests/fail/terminate-terminator.stderr | 2 +- src/tools/miri/tests/fail/unwind-action-terminate.stderr | 2 +- src/tools/miri/tests/pass/backtrace/backtrace-api-v0.stderr | 2 +- src/tools/miri/tests/pass/backtrace/backtrace-api-v1.stderr | 2 +- .../miri/tests/pass/backtrace/backtrace-global-alloc.stderr | 4 ++-- src/tools/miri/tests/pass/backtrace/backtrace-std.stderr | 4 ++-- 23 files changed, 27 insertions(+), 27 deletions(-) rename library/std/src/{sys_common => sys}/backtrace.rs (98%) diff --git a/library/std/src/backtrace.rs b/library/std/src/backtrace.rs index e3e0cde8afea..4d376753cb6d 100644 --- a/library/std/src/backtrace.rs +++ b/library/std/src/backtrace.rs @@ -95,7 +95,7 @@ use crate::fmt; use crate::panic::UnwindSafe; use crate::sync::atomic::{AtomicU8, Ordering::Relaxed}; use crate::sync::LazyLock; -use crate::sys_common::backtrace::{lock, output_filename, set_image_base}; +use crate::sys::backtrace::{lock, output_filename, set_image_base}; /// A captured OS thread stack backtrace. /// diff --git a/library/std/src/error.rs b/library/std/src/error.rs index b240e4e2c45b..87aad8f764bd 100644 --- a/library/std/src/error.rs +++ b/library/std/src/error.rs @@ -429,7 +429,7 @@ impl Report { /// 1: rust_out::main::_doctest_main_src_error_rs_1158_0 /// 2: rust_out::main /// 3: core::ops::function::FnOnce::call_once - /// 4: std::sys_common::backtrace::__rust_begin_short_backtrace + /// 4: std::sys::backtrace::__rust_begin_short_backtrace /// 5: std::rt::lang_start::{{closure}} /// 6: std::panicking::try /// 7: std::rt::lang_start_internal diff --git a/library/std/src/panicking.rs b/library/std/src/panicking.rs index 8fd8134c1114..2bb5ea28b181 100644 --- a/library/std/src/panicking.rs +++ b/library/std/src/panicking.rs @@ -19,8 +19,8 @@ use crate::mem::{self, ManuallyDrop}; use crate::process; use crate::sync::atomic::{AtomicBool, Ordering}; use crate::sync::{PoisonError, RwLock}; +use crate::sys::backtrace; use crate::sys::stdio::panic_output; -use crate::sys_common::backtrace; use crate::thread; #[cfg(not(test))] @@ -655,7 +655,7 @@ pub fn begin_panic_handler(info: &core::panic::PanicInfo<'_>) -> ! { let loc = info.location().unwrap(); // The current implementation always returns Some let msg = info.message(); - crate::sys_common::backtrace::__rust_end_short_backtrace(move || { + crate::sys::backtrace::__rust_end_short_backtrace(move || { if let Some(s) = msg.as_str() { rust_panic_with_hook( &mut StaticStrPayload(s), @@ -727,7 +727,7 @@ pub const fn begin_panic(msg: M) -> ! { } let loc = Location::caller(); - crate::sys_common::backtrace::__rust_end_short_backtrace(move || { + crate::sys::backtrace::__rust_end_short_backtrace(move || { rust_panic_with_hook( &mut Payload { inner: Some(msg) }, loc, diff --git a/library/std/src/rt.rs b/library/std/src/rt.rs index 46f691d7b750..b03fa1c01f26 100644 --- a/library/std/src/rt.rs +++ b/library/std/src/rt.rs @@ -156,7 +156,7 @@ fn lang_start( sigpipe: u8, ) -> isize { let Ok(v) = lang_start_internal( - &move || crate::sys_common::backtrace::__rust_begin_short_backtrace(main).report().to_i32(), + &move || crate::sys::backtrace::__rust_begin_short_backtrace(main).report().to_i32(), argc, argv, sigpipe, diff --git a/library/std/src/sys_common/backtrace.rs b/library/std/src/sys/backtrace.rs similarity index 98% rename from library/std/src/sys_common/backtrace.rs rename to library/std/src/sys/backtrace.rs index 67711dbd5bc7..0b2338fd7de9 100644 --- a/library/std/src/sys_common/backtrace.rs +++ b/library/std/src/sys/backtrace.rs @@ -1,7 +1,7 @@ +//! Common code for printing backtraces. + use crate::backtrace_rs::{self, BacktraceFmt, BytesOrWideString, PrintFmt}; use crate::borrow::Cow; -/// Common code for printing the backtrace in the same way across the different -/// supported platforms. use crate::env; use crate::fmt; use crate::io; diff --git a/library/std/src/sys/mod.rs b/library/std/src/sys/mod.rs index 8f70cefc6012..8aa35c40fe05 100644 --- a/library/std/src/sys/mod.rs +++ b/library/std/src/sys/mod.rs @@ -5,6 +5,7 @@ mod pal; mod personality; +pub mod backtrace; pub mod cmath; pub mod os_str; pub mod path; diff --git a/library/std/src/sys_common/mod.rs b/library/std/src/sys_common/mod.rs index 3a38ba1100f0..200ea028a08a 100644 --- a/library/std/src/sys_common/mod.rs +++ b/library/std/src/sys_common/mod.rs @@ -20,7 +20,6 @@ #[cfg(test)] mod tests; -pub mod backtrace; pub mod fs; pub mod io; pub mod lazy_box; diff --git a/library/std/src/thread/mod.rs b/library/std/src/thread/mod.rs index 83e27dfb746c..c8ee365392f8 100644 --- a/library/std/src/thread/mod.rs +++ b/library/std/src/thread/mod.rs @@ -539,7 +539,7 @@ impl Builder { let f = f.into_inner(); set_current(their_thread); let try_result = panic::catch_unwind(panic::AssertUnwindSafe(|| { - crate::sys_common::backtrace::__rust_begin_short_backtrace(f) + crate::sys::backtrace::__rust_begin_short_backtrace(f) })); // SAFETY: `their_packet` as been built just above and moved by the // closure (it is an Arc<...>) and `my_packet` will be stored in the diff --git a/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.both.stderr b/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.both.stderr index d88781ed2254..112a9687837e 100644 --- a/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.both.stderr +++ b/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.both.stderr @@ -16,7 +16,7 @@ LL | ABORT(); = note: inside `std::sys::pal::PLATFORM::abort_internal` at RUSTLIB/std/src/sys/pal/PLATFORM/mod.rs:LL:CC = note: inside `std::panicking::rust_panic_with_hook` at RUSTLIB/std/src/panicking.rs:LL:CC = note: inside closure at RUSTLIB/std/src/panicking.rs:LL:CC - = note: inside `std::sys_common::backtrace::__rust_end_short_backtrace::<{closure@std::panicking::begin_panic_handler::{closure#0}}, !>` at RUSTLIB/std/src/sys_common/backtrace.rs:LL:CC + = note: inside `std::sys::backtrace::__rust_end_short_backtrace::<{closure@std::panicking::begin_panic_handler::{closure#0}}, !>` at RUSTLIB/std/src/sys/backtrace.rs:LL:CC = note: inside `std::panicking::begin_panic_handler` at RUSTLIB/std/src/panicking.rs:LL:CC = note: inside `core::panicking::panic_nounwind` at RUSTLIB/core/src/panicking.rs:LL:CC = note: inside `core::panicking::panic_cannot_unwind` at RUSTLIB/core/src/panicking.rs:LL:CC diff --git a/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.definition.stderr b/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.definition.stderr index d88781ed2254..112a9687837e 100644 --- a/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.definition.stderr +++ b/src/tools/miri/tests/fail/function_calls/exported_symbol_bad_unwind2.definition.stderr @@ -16,7 +16,7 @@ LL | ABORT(); = note: inside `std::sys::pal::PLATFORM::abort_internal` at RUSTLIB/std/src/sys/pal/PLATFORM/mod.rs:LL:CC = note: inside `std::panicking::rust_panic_with_hook` at RUSTLIB/std/src/panicking.rs:LL:CC = note: inside closure at RUSTLIB/std/src/panicking.rs:LL:CC - = note: inside `std::sys_common::backtrace::__rust_end_short_backtrace::<{closure@std::panicking::begin_panic_handler::{closure#0}}, !>` at RUSTLIB/std/src/sys_common/backtrace.rs:LL:CC + = note: inside `std::sys::backtrace::__rust_end_short_backtrace::<{closure@std::panicking::begin_panic_handler::{closure#0}}, !>` at RUSTLIB/std/src/sys/backtrace.rs:LL:CC = note: inside `std::panicking::begin_panic_handler` at RUSTLIB/std/src/panicking.rs:LL:CC = note: inside `core::panicking::panic_nounwind` at RUSTLIB/core/src/panicking.rs:LL:CC = note: inside `core::panicking::panic_cannot_unwind` at RUSTLIB/core/src/panicking.rs:LL:CC diff --git a/src/tools/miri/tests/fail/intrinsics/uninit_uninhabited_type.stderr b/src/tools/miri/tests/fail/intrinsics/uninit_uninhabited_type.stderr index 447f7cae6ce9..8dd76edafea2 100644 --- a/src/tools/miri/tests/fail/intrinsics/uninit_uninhabited_type.stderr +++ b/src/tools/miri/tests/fail/intrinsics/uninit_uninhabited_type.stderr @@ -13,7 +13,7 @@ LL | ABORT(); = note: inside `std::sys::pal::PLATFORM::abort_internal` at RUSTLIB/std/src/sys/pal/PLATFORM/mod.rs:LL:CC = note: inside `std::panicking::rust_panic_with_hook` at RUSTLIB/std/src/panicking.rs:LL:CC = note: inside closure at RUSTLIB/std/src/panicking.rs:LL:CC - = note: inside `std::sys_common::backtrace::__rust_end_short_backtrace::<{closure@std::panicking::begin_panic_handler::{closure#0}}, !>` at RUSTLIB/std/src/sys_common/backtrace.rs:LL:CC + = note: inside `std::sys::backtrace::__rust_end_short_backtrace::<{closure@std::panicking::begin_panic_handler::{closure#0}}, !>` at RUSTLIB/std/src/sys/backtrace.rs:LL:CC = note: inside `std::panicking::begin_panic_handler` at RUSTLIB/std/src/panicking.rs:LL:CC = note: inside `core::panicking::panic_nounwind` at RUSTLIB/core/src/panicking.rs:LL:CC note: inside `main` diff --git a/src/tools/miri/tests/fail/intrinsics/zero_fn_ptr.stderr b/src/tools/miri/tests/fail/intrinsics/zero_fn_ptr.stderr index bae34149807f..55f66a275b6b 100644 --- a/src/tools/miri/tests/fail/intrinsics/zero_fn_ptr.stderr +++ b/src/tools/miri/tests/fail/intrinsics/zero_fn_ptr.stderr @@ -13,7 +13,7 @@ LL | ABORT(); = note: inside `std::sys::pal::PLATFORM::abort_internal` at RUSTLIB/std/src/sys/pal/PLATFORM/mod.rs:LL:CC = note: inside `std::panicking::rust_panic_with_hook` at RUSTLIB/std/src/panicking.rs:LL:CC = note: inside closure at RUSTLIB/std/src/panicking.rs:LL:CC - = note: inside `std::sys_common::backtrace::__rust_end_short_backtrace::<{closure@std::panicking::begin_panic_handler::{closure#0}}, !>` at RUSTLIB/std/src/sys_common/backtrace.rs:LL:CC + = note: inside `std::sys::backtrace::__rust_end_short_backtrace::<{closure@std::panicking::begin_panic_handler::{closure#0}}, !>` at RUSTLIB/std/src/sys/backtrace.rs:LL:CC = note: inside `std::panicking::begin_panic_handler` at RUSTLIB/std/src/panicking.rs:LL:CC = note: inside `core::panicking::panic_nounwind` at RUSTLIB/core/src/panicking.rs:LL:CC note: inside `main` diff --git a/src/tools/miri/tests/fail/panic/double_panic.stderr b/src/tools/miri/tests/fail/panic/double_panic.stderr index 3b7a1511fa0b..5829c1897bba 100644 --- a/src/tools/miri/tests/fail/panic/double_panic.stderr +++ b/src/tools/miri/tests/fail/panic/double_panic.stderr @@ -18,7 +18,7 @@ LL | ABORT(); = note: inside `std::sys::pal::PLATFORM::abort_internal` at RUSTLIB/std/src/sys/pal/PLATFORM/mod.rs:LL:CC = note: inside `std::panicking::rust_panic_with_hook` at RUSTLIB/std/src/panicking.rs:LL:CC = note: inside closure at RUSTLIB/std/src/panicking.rs:LL:CC - = note: inside `std::sys_common::backtrace::__rust_end_short_backtrace::<{closure@std::panicking::begin_panic_handler::{closure#0}}, !>` at RUSTLIB/std/src/sys_common/backtrace.rs:LL:CC + = note: inside `std::sys::backtrace::__rust_end_short_backtrace::<{closure@std::panicking::begin_panic_handler::{closure#0}}, !>` at RUSTLIB/std/src/sys/backtrace.rs:LL:CC = note: inside `std::panicking::begin_panic_handler` at RUSTLIB/std/src/panicking.rs:LL:CC = note: inside `core::panicking::panic_nounwind_nobacktrace` at RUSTLIB/core/src/panicking.rs:LL:CC = note: inside `core::panicking::panic_in_cleanup` at RUSTLIB/core/src/panicking.rs:LL:CC diff --git a/src/tools/miri/tests/fail/panic/panic_abort1.stderr b/src/tools/miri/tests/fail/panic/panic_abort1.stderr index 7694cc70b227..d4abf19cd1e5 100644 --- a/src/tools/miri/tests/fail/panic/panic_abort1.stderr +++ b/src/tools/miri/tests/fail/panic/panic_abort1.stderr @@ -14,7 +14,7 @@ LL | ABORT(); = note: inside `std::panicking::rust_panic` at RUSTLIB/std/src/panicking.rs:LL:CC = note: inside `std::panicking::rust_panic_with_hook` at RUSTLIB/std/src/panicking.rs:LL:CC = note: inside closure at RUSTLIB/std/src/panicking.rs:LL:CC - = note: inside `std::sys_common::backtrace::__rust_end_short_backtrace::<{closure@std::panicking::begin_panic_handler::{closure#0}}, !>` at RUSTLIB/std/src/sys_common/backtrace.rs:LL:CC + = note: inside `std::sys::backtrace::__rust_end_short_backtrace::<{closure@std::panicking::begin_panic_handler::{closure#0}}, !>` at RUSTLIB/std/src/sys/backtrace.rs:LL:CC = note: inside `std::panicking::begin_panic_handler` at RUSTLIB/std/src/panicking.rs:LL:CC note: inside `main` --> $DIR/panic_abort1.rs:LL:CC diff --git a/src/tools/miri/tests/fail/panic/panic_abort2.stderr b/src/tools/miri/tests/fail/panic/panic_abort2.stderr index e6a4380ea518..507f17abf4e7 100644 --- a/src/tools/miri/tests/fail/panic/panic_abort2.stderr +++ b/src/tools/miri/tests/fail/panic/panic_abort2.stderr @@ -14,7 +14,7 @@ LL | ABORT(); = note: inside `std::panicking::rust_panic` at RUSTLIB/std/src/panicking.rs:LL:CC = note: inside `std::panicking::rust_panic_with_hook` at RUSTLIB/std/src/panicking.rs:LL:CC = note: inside closure at RUSTLIB/std/src/panicking.rs:LL:CC - = note: inside `std::sys_common::backtrace::__rust_end_short_backtrace::<{closure@std::panicking::begin_panic_handler::{closure#0}}, !>` at RUSTLIB/std/src/sys_common/backtrace.rs:LL:CC + = note: inside `std::sys::backtrace::__rust_end_short_backtrace::<{closure@std::panicking::begin_panic_handler::{closure#0}}, !>` at RUSTLIB/std/src/sys/backtrace.rs:LL:CC = note: inside `std::panicking::begin_panic_handler` at RUSTLIB/std/src/panicking.rs:LL:CC note: inside `main` --> $DIR/panic_abort2.rs:LL:CC diff --git a/src/tools/miri/tests/fail/panic/panic_abort3.stderr b/src/tools/miri/tests/fail/panic/panic_abort3.stderr index 23e2021eeef8..a5d8b4d2eebd 100644 --- a/src/tools/miri/tests/fail/panic/panic_abort3.stderr +++ b/src/tools/miri/tests/fail/panic/panic_abort3.stderr @@ -14,7 +14,7 @@ LL | ABORT(); = note: inside `std::panicking::rust_panic` at RUSTLIB/std/src/panicking.rs:LL:CC = note: inside `std::panicking::rust_panic_with_hook` at RUSTLIB/std/src/panicking.rs:LL:CC = note: inside closure at RUSTLIB/std/src/panicking.rs:LL:CC - = note: inside `std::sys_common::backtrace::__rust_end_short_backtrace::<{closure@std::panicking::begin_panic_handler::{closure#0}}, !>` at RUSTLIB/std/src/sys_common/backtrace.rs:LL:CC + = note: inside `std::sys::backtrace::__rust_end_short_backtrace::<{closure@std::panicking::begin_panic_handler::{closure#0}}, !>` at RUSTLIB/std/src/sys/backtrace.rs:LL:CC = note: inside `std::panicking::begin_panic_handler` at RUSTLIB/std/src/panicking.rs:LL:CC note: inside `main` --> $DIR/panic_abort3.rs:LL:CC diff --git a/src/tools/miri/tests/fail/panic/panic_abort4.stderr b/src/tools/miri/tests/fail/panic/panic_abort4.stderr index 20a0ddb90192..62fbbf942cb0 100644 --- a/src/tools/miri/tests/fail/panic/panic_abort4.stderr +++ b/src/tools/miri/tests/fail/panic/panic_abort4.stderr @@ -14,7 +14,7 @@ LL | ABORT(); = note: inside `std::panicking::rust_panic` at RUSTLIB/std/src/panicking.rs:LL:CC = note: inside `std::panicking::rust_panic_with_hook` at RUSTLIB/std/src/panicking.rs:LL:CC = note: inside closure at RUSTLIB/std/src/panicking.rs:LL:CC - = note: inside `std::sys_common::backtrace::__rust_end_short_backtrace::<{closure@std::panicking::begin_panic_handler::{closure#0}}, !>` at RUSTLIB/std/src/sys_common/backtrace.rs:LL:CC + = note: inside `std::sys::backtrace::__rust_end_short_backtrace::<{closure@std::panicking::begin_panic_handler::{closure#0}}, !>` at RUSTLIB/std/src/sys/backtrace.rs:LL:CC = note: inside `std::panicking::begin_panic_handler` at RUSTLIB/std/src/panicking.rs:LL:CC note: inside `main` --> $DIR/panic_abort4.rs:LL:CC diff --git a/src/tools/miri/tests/fail/terminate-terminator.stderr b/src/tools/miri/tests/fail/terminate-terminator.stderr index f737adc561d9..a5fa0b3e07a6 100644 --- a/src/tools/miri/tests/fail/terminate-terminator.stderr +++ b/src/tools/miri/tests/fail/terminate-terminator.stderr @@ -18,7 +18,7 @@ LL | ABORT(); = note: inside `std::sys::pal::PLATFORM::abort_internal` at RUSTLIB/std/src/sys/pal/PLATFORM/mod.rs:LL:CC = note: inside `std::panicking::rust_panic_with_hook` at RUSTLIB/std/src/panicking.rs:LL:CC = note: inside closure at RUSTLIB/std/src/panicking.rs:LL:CC - = note: inside `std::sys_common::backtrace::__rust_end_short_backtrace::<{closure@std::panicking::begin_panic_handler::{closure#0}}, !>` at RUSTLIB/std/src/sys_common/backtrace.rs:LL:CC + = note: inside `std::sys::backtrace::__rust_end_short_backtrace::<{closure@std::panicking::begin_panic_handler::{closure#0}}, !>` at RUSTLIB/std/src/sys/backtrace.rs:LL:CC = note: inside `std::panicking::begin_panic_handler` at RUSTLIB/std/src/panicking.rs:LL:CC = note: inside `core::panicking::panic_nounwind` at RUSTLIB/core/src/panicking.rs:LL:CC = note: inside `core::panicking::panic_cannot_unwind` at RUSTLIB/core/src/panicking.rs:LL:CC diff --git a/src/tools/miri/tests/fail/unwind-action-terminate.stderr b/src/tools/miri/tests/fail/unwind-action-terminate.stderr index 7e722f7be328..547d550d3d0d 100644 --- a/src/tools/miri/tests/fail/unwind-action-terminate.stderr +++ b/src/tools/miri/tests/fail/unwind-action-terminate.stderr @@ -16,7 +16,7 @@ LL | ABORT(); = note: inside `std::sys::pal::PLATFORM::abort_internal` at RUSTLIB/std/src/sys/pal/PLATFORM/mod.rs:LL:CC = note: inside `std::panicking::rust_panic_with_hook` at RUSTLIB/std/src/panicking.rs:LL:CC = note: inside closure at RUSTLIB/std/src/panicking.rs:LL:CC - = note: inside `std::sys_common::backtrace::__rust_end_short_backtrace::<{closure@std::panicking::begin_panic_handler::{closure#0}}, !>` at RUSTLIB/std/src/sys_common/backtrace.rs:LL:CC + = note: inside `std::sys::backtrace::__rust_end_short_backtrace::<{closure@std::panicking::begin_panic_handler::{closure#0}}, !>` at RUSTLIB/std/src/sys/backtrace.rs:LL:CC = note: inside `std::panicking::begin_panic_handler` at RUSTLIB/std/src/panicking.rs:LL:CC = note: inside `core::panicking::panic_nounwind` at RUSTLIB/core/src/panicking.rs:LL:CC = note: inside `core::panicking::panic_cannot_unwind` at RUSTLIB/core/src/panicking.rs:LL:CC diff --git a/src/tools/miri/tests/pass/backtrace/backtrace-api-v0.stderr b/src/tools/miri/tests/pass/backtrace/backtrace-api-v0.stderr index bc24d6de734d..c05950ebdc74 100644 --- a/src/tools/miri/tests/pass/backtrace/backtrace-api-v0.stderr +++ b/src/tools/miri/tests/pass/backtrace/backtrace-api-v0.stderr @@ -4,7 +4,7 @@ $DIR/backtrace-api-v0.rs:LL:CC (func_b) $DIR/backtrace-api-v0.rs:LL:CC (func_a) $DIR/backtrace-api-v0.rs:LL:CC (main) RUSTLIB/core/src/ops/function.rs:LL:CC (>::call_once - shim(fn())) -RUSTLIB/std/src/sys_common/backtrace.rs:LL:CC (std::sys_common::backtrace::__rust_begin_short_backtrace) +RUSTLIB/std/src/sys/backtrace.rs:LL:CC (std::sys::backtrace::__rust_begin_short_backtrace) RUSTLIB/std/src/rt.rs:LL:CC (std::rt::lang_start::{closure#0}) RUSTLIB/core/src/ops/function.rs:LL:CC (std::ops::function::impls::call_once) RUSTLIB/std/src/panicking.rs:LL:CC (std::panicking::r#try::do_call) diff --git a/src/tools/miri/tests/pass/backtrace/backtrace-api-v1.stderr b/src/tools/miri/tests/pass/backtrace/backtrace-api-v1.stderr index 246e54becd82..b56d983d4298 100644 --- a/src/tools/miri/tests/pass/backtrace/backtrace-api-v1.stderr +++ b/src/tools/miri/tests/pass/backtrace/backtrace-api-v1.stderr @@ -4,7 +4,7 @@ $DIR/backtrace-api-v1.rs:LL:CC (func_b) $DIR/backtrace-api-v1.rs:LL:CC (func_a) $DIR/backtrace-api-v1.rs:LL:CC (main) RUSTLIB/core/src/ops/function.rs:LL:CC (>::call_once - shim(fn())) -RUSTLIB/std/src/sys_common/backtrace.rs:LL:CC (std::sys_common::backtrace::__rust_begin_short_backtrace) +RUSTLIB/std/src/sys/backtrace.rs:LL:CC (std::sys::backtrace::__rust_begin_short_backtrace) RUSTLIB/std/src/rt.rs:LL:CC (std::rt::lang_start::{closure#0}) RUSTLIB/core/src/ops/function.rs:LL:CC (std::ops::function::impls::call_once) RUSTLIB/std/src/panicking.rs:LL:CC (std::panicking::r#try::do_call) diff --git a/src/tools/miri/tests/pass/backtrace/backtrace-global-alloc.stderr b/src/tools/miri/tests/pass/backtrace/backtrace-global-alloc.stderr index c48061d64d08..b06dd1da3c64 100644 --- a/src/tools/miri/tests/pass/backtrace/backtrace-global-alloc.stderr +++ b/src/tools/miri/tests/pass/backtrace/backtrace-global-alloc.stderr @@ -2,8 +2,8 @@ at $DIR/backtrace-global-alloc.rs:LL:CC 1: >::call_once - shim(fn()) at RUSTLIB/core/src/ops/function.rs:LL:CC - 2: std::sys_common::backtrace::__rust_begin_short_backtrace - at RUSTLIB/std/src/sys_common/backtrace.rs:LL:CC + 2: std::sys::backtrace::__rust_begin_short_backtrace + at RUSTLIB/std/src/sys/backtrace.rs:LL:CC 3: std::rt::lang_start::{closure#0} at RUSTLIB/std/src/rt.rs:LL:CC 4: std::ops::function::impls::call_once diff --git a/src/tools/miri/tests/pass/backtrace/backtrace-std.stderr b/src/tools/miri/tests/pass/backtrace/backtrace-std.stderr index 4596cadb958d..84bdda59fce9 100644 --- a/src/tools/miri/tests/pass/backtrace/backtrace-std.stderr +++ b/src/tools/miri/tests/pass/backtrace/backtrace-std.stderr @@ -10,8 +10,8 @@ at $DIR/backtrace-std.rs:LL:CC 5: >::call_once - shim(fn()) at RUSTLIB/core/src/ops/function.rs:LL:CC - 6: std::sys_common::backtrace::__rust_begin_short_backtrace - at RUSTLIB/std/src/sys_common/backtrace.rs:LL:CC + 6: std::sys::backtrace::__rust_begin_short_backtrace + at RUSTLIB/std/src/sys/backtrace.rs:LL:CC 7: std::rt::lang_start::{closure#0} at RUSTLIB/std/src/rt.rs:LL:CC 8: std::ops::function::impls::call_once From 60a972db83abfa406d48b259b7495d57c98b0c29 Mon Sep 17 00:00:00 2001 From: Jeremy Soller Date: Sun, 9 Jun 2024 12:35:27 +0000 Subject: [PATCH 1601/1716] Several fixes to the redox target specs * Allow crt-static for dylibs * Pass -lgcc to the linker --- compiler/rustc_target/src/spec/base/redox.rs | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/compiler/rustc_target/src/spec/base/redox.rs b/compiler/rustc_target/src/spec/base/redox.rs index 468fe478549b..9070791e9dfc 100644 --- a/compiler/rustc_target/src/spec/base/redox.rs +++ b/compiler/rustc_target/src/spec/base/redox.rs @@ -1,4 +1,4 @@ -use crate::spec::{cvs, RelroLevel, TargetOptions}; +use crate::spec::{cvs, Cc, LinkerFlavor, Lld, RelroLevel, TargetOptions}; pub fn opts() -> TargetOptions { TargetOptions { @@ -12,6 +12,8 @@ pub fn opts() -> TargetOptions { has_thread_local: true, crt_static_default: true, crt_static_respected: true, + crt_static_allows_dylibs: true, + late_link_args: TargetOptions::link_args(LinkerFlavor::Gnu(Cc::Yes, Lld::No), &["-lgcc"]), ..Default::default() } } From efa213afad8fd60886a78cab73d87e8d31295809 Mon Sep 17 00:00:00 2001 From: bjorn3 <17426603+bjorn3@users.noreply.github.com> Date: Sun, 9 Jun 2024 12:38:06 +0000 Subject: [PATCH 1602/1716] Add i686-unknown-redox target Co-Authored-By: Jeremy Soller --- compiler/rustc_target/src/spec/mod.rs | 1 + .../src/spec/targets/i686_unknown_redox.rs | 27 +++++++++++++++++++ src/doc/rustc/src/platform-support.md | 1 + src/tools/build-manifest/src/main.rs | 1 + tests/assembly/targets/targets-elf.rs | 3 +++ 5 files changed, 33 insertions(+) create mode 100644 compiler/rustc_target/src/spec/targets/i686_unknown_redox.rs diff --git a/compiler/rustc_target/src/spec/mod.rs b/compiler/rustc_target/src/spec/mod.rs index adea2caabbe7..42860b1059ed 100644 --- a/compiler/rustc_target/src/spec/mod.rs +++ b/compiler/rustc_target/src/spec/mod.rs @@ -1647,6 +1647,7 @@ supported_targets! { ("x86_64-unknown-l4re-uclibc", x86_64_unknown_l4re_uclibc), ("aarch64-unknown-redox", aarch64_unknown_redox), + ("i686-unknown-redox", i686_unknown_redox), ("x86_64-unknown-redox", x86_64_unknown_redox), ("i386-apple-ios", i386_apple_ios), diff --git a/compiler/rustc_target/src/spec/targets/i686_unknown_redox.rs b/compiler/rustc_target/src/spec/targets/i686_unknown_redox.rs new file mode 100644 index 000000000000..83252fadb78e --- /dev/null +++ b/compiler/rustc_target/src/spec/targets/i686_unknown_redox.rs @@ -0,0 +1,27 @@ +use crate::spec::{base, Cc, LinkerFlavor, Lld, StackProbeType, Target}; + +pub fn target() -> Target { + let mut base = base::redox::opts(); + base.cpu = "pentiumpro".into(); + base.plt_by_default = false; + base.max_atomic_width = Some(64); + base.add_pre_link_args(LinkerFlavor::Gnu(Cc::Yes, Lld::No), &["-m32"]); + // don't use probe-stack=inline-asm until rust#83139 and rust#84667 are resolved + base.stack_probes = StackProbeType::Call; + + Target { + llvm_target: "i686-unknown-redox".into(), + metadata: crate::spec::TargetMetadata { + description: None, + tier: None, + host_tools: None, + std: None, + }, + pointer_width: 32, + data_layout: + "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-i128:128-f64:32:64-f80:32-n8:16:32-S128" + .into(), + arch: "x86".into(), + options: base, + } +} diff --git a/src/doc/rustc/src/platform-support.md b/src/doc/rustc/src/platform-support.md index e55bb3bd155b..4fe5eb802e5a 100644 --- a/src/doc/rustc/src/platform-support.md +++ b/src/doc/rustc/src/platform-support.md @@ -300,6 +300,7 @@ target | std | host | notes [`i686-unknown-hurd-gnu`](platform-support/hurd.md) | ✓ | ✓ | 32-bit GNU/Hurd [^x86_32-floats-return-ABI] [`i686-unknown-netbsd`](platform-support/netbsd.md) | ✓ | ✓ | NetBSD/i386 with SSE2 [^x86_32-floats-return-ABI] [`i686-unknown-openbsd`](platform-support/openbsd.md) | ✓ | ✓ | 32-bit OpenBSD [^x86_32-floats-return-ABI] +`i686-unknown-redox` | ? | | i686 Redox OS `i686-uwp-windows-gnu` | ✓ | | [^x86_32-floats-return-ABI] `i686-uwp-windows-msvc` | ✓ | | [^x86_32-floats-return-ABI] [`i686-win7-windows-msvc`](platform-support/win7-windows-msvc.md) | ✓ | | 32-bit Windows 7 support [^x86_32-floats-return-ABI] diff --git a/src/tools/build-manifest/src/main.rs b/src/tools/build-manifest/src/main.rs index b4d47cba7c5b..a709aab7ce22 100644 --- a/src/tools/build-manifest/src/main.rs +++ b/src/tools/build-manifest/src/main.rs @@ -103,6 +103,7 @@ static TARGETS: &[&str] = &[ "i686-unknown-freebsd", "i686-unknown-linux-gnu", "i686-unknown-linux-musl", + "i686-unknown-redox", "i686-unknown-uefi", "loongarch64-unknown-linux-gnu", "loongarch64-unknown-none", diff --git a/tests/assembly/targets/targets-elf.rs b/tests/assembly/targets/targets-elf.rs index 4c54fe639e3e..b069e667bf5d 100644 --- a/tests/assembly/targets/targets-elf.rs +++ b/tests/assembly/targets/targets-elf.rs @@ -228,6 +228,9 @@ //@ revisions: i686_unknown_openbsd //@ [i686_unknown_openbsd] compile-flags: --target i686-unknown-openbsd //@ [i686_unknown_openbsd] needs-llvm-components: x86 +//@ revisions: i686_unknown_redox +//@ [i686_unknown_redox] compile-flags: --target i686-unknown-redox +//@ [i686_unknown_redox] needs-llvm-components: x86 //@ revisions: i686_wrs_vxworks //@ [i686_wrs_vxworks] compile-flags: --target i686-wrs-vxworks //@ [i686_wrs_vxworks] needs-llvm-components: x86 From 3cddc042300b3e804de48b278eb37964e642a68f Mon Sep 17 00:00:00 2001 From: Jeremy Soller Date: Sat, 11 Feb 2023 18:34:41 -0700 Subject: [PATCH 1603/1716] Use Linux file locking on Redox --- compiler/rustc_data_structures/src/flock.rs | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/compiler/rustc_data_structures/src/flock.rs b/compiler/rustc_data_structures/src/flock.rs index 008565e4c7b9..e03962a54eca 100644 --- a/compiler/rustc_data_structures/src/flock.rs +++ b/compiler/rustc_data_structures/src/flock.rs @@ -9,6 +9,10 @@ cfg_match! { mod linux; use linux as imp; } + cfg(target_os = "redox") => { + mod linux; + use linux as imp; + } cfg(unix) => { mod unix; use unix as imp; From 742a923b28304303b04d10eecb616cec0c557334 Mon Sep 17 00:00:00 2001 From: bjorn3 <17426603+bjorn3@users.noreply.github.com> Date: Sun, 9 Jun 2024 15:50:58 +0000 Subject: [PATCH 1604/1716] Add dedicated platform support page for Redox OS --- src/doc/rustc/src/SUMMARY.md | 1 + src/doc/rustc/src/platform-support.md | 6 +-- src/doc/rustc/src/platform-support/redox.md | 53 +++++++++++++++++++++ 3 files changed, 57 insertions(+), 3 deletions(-) create mode 100644 src/doc/rustc/src/platform-support/redox.md diff --git a/src/doc/rustc/src/SUMMARY.md b/src/doc/rustc/src/SUMMARY.md index 201ace5ce3a7..e76ebb8f8aa8 100644 --- a/src/doc/rustc/src/SUMMARY.md +++ b/src/doc/rustc/src/SUMMARY.md @@ -71,6 +71,7 @@ - [*-unknown-hermit](platform-support/hermit.md) - [\*-unknown-netbsd\*](platform-support/netbsd.md) - [*-unknown-openbsd](platform-support/openbsd.md) + - [*-unknown-redox](platform-support/redox.md) - [\*-unknown-uefi](platform-support/unknown-uefi.md) - [wasm32-wasip1](platform-support/wasm32-wasip1.md) - [wasm32-wasip1-threads](platform-support/wasm32-wasip1-threads.md) diff --git a/src/doc/rustc/src/platform-support.md b/src/doc/rustc/src/platform-support.md index 4fe5eb802e5a..834e909c0654 100644 --- a/src/doc/rustc/src/platform-support.md +++ b/src/doc/rustc/src/platform-support.md @@ -203,7 +203,7 @@ target | std | notes `x86_64-unknown-linux-gnux32` | ✓ | 64-bit Linux (x32 ABI) (kernel 4.15, glibc 2.27) [`x86_64-unknown-linux-ohos`](platform-support/openharmony.md) | ✓ | x86_64 OpenHarmony [`x86_64-unknown-none`](platform-support/x86_64-unknown-none.md) | * | Freestanding/bare-metal x86_64, softfloat -`x86_64-unknown-redox` | ✓ | Redox OS +[`x86_64-unknown-redox`](platform-support/redox.md) | ✓ | Redox OS [`x86_64-unknown-uefi`](platform-support/unknown-uefi.md) | ? | 64-bit UEFI [^x86_32-floats-x87]: Floating-point support on `i586` targets is non-compliant: the `x87` registers and instructions used for these targets do not provide IEEE-754-compliant behavior, in particular when it comes to rounding and NaN payload bits. See [issue #114479][x86-32-float-issue]. @@ -258,7 +258,7 @@ target | std | host | notes `aarch64-unknown-linux-gnu_ilp32` | ✓ | ✓ | ARM64 Linux (ILP32 ABI) [`aarch64-unknown-netbsd`](platform-support/netbsd.md) | ✓ | ✓ | ARM64 NetBSD [`aarch64-unknown-openbsd`](platform-support/openbsd.md) | ✓ | ✓ | ARM64 OpenBSD -`aarch64-unknown-redox` | ? | | ARM64 Redox OS +[`aarch64-unknown-redox`](platform-support/redox.md) | ✓ | | ARM64 Redox OS `aarch64-uwp-windows-msvc` | ✓ | | `aarch64-wrs-vxworks` | ? | | `aarch64_be-unknown-linux-gnu_ilp32` | ✓ | ✓ | ARM64 Linux (big-endian, ILP32 ABI) @@ -300,7 +300,7 @@ target | std | host | notes [`i686-unknown-hurd-gnu`](platform-support/hurd.md) | ✓ | ✓ | 32-bit GNU/Hurd [^x86_32-floats-return-ABI] [`i686-unknown-netbsd`](platform-support/netbsd.md) | ✓ | ✓ | NetBSD/i386 with SSE2 [^x86_32-floats-return-ABI] [`i686-unknown-openbsd`](platform-support/openbsd.md) | ✓ | ✓ | 32-bit OpenBSD [^x86_32-floats-return-ABI] -`i686-unknown-redox` | ? | | i686 Redox OS +[`i686-unknown-redox`](platform-support/redox.md) | ✓ | | i686 Redox OS `i686-uwp-windows-gnu` | ✓ | | [^x86_32-floats-return-ABI] `i686-uwp-windows-msvc` | ✓ | | [^x86_32-floats-return-ABI] [`i686-win7-windows-msvc`](platform-support/win7-windows-msvc.md) | ✓ | | 32-bit Windows 7 support [^x86_32-floats-return-ABI] diff --git a/src/doc/rustc/src/platform-support/redox.md b/src/doc/rustc/src/platform-support/redox.md new file mode 100644 index 000000000000..1b3321956ef7 --- /dev/null +++ b/src/doc/rustc/src/platform-support/redox.md @@ -0,0 +1,53 @@ +# `*-unknown-redox` + +**Tier: 2/3** + +Targets for the [Redox OS](https://redox-os.org/) operating +system. + +Target triplets available so far: + +- `x86_64-unknown-redox` (tier 2) +- `aarch64-unknown-redox` (tier 3) +- `i686-unknown-redox` (tier 3) + +## Target maintainers + +- Jeremy Soller ([@jackpot51](https://github.com/jackpot51)) + +## Requirements + +These targets are natively compiled and can be cross-compiled. Std is fully supported. + +The targets are only expected to work with the latest version of Redox OS as the ABI is not yet stable. + +`extern "C"` uses the official calling convention of the respective architectures. + +Redox OS binaries use ELF as file format. + +## Building the target + +You can build Rust with support for the targets by adding it to the `target` list in `config.toml`. In addition a copy of [relibc] needs to be present in the linker search path. + +```toml +[build] +build-stage = 1 +target = [ + "", + "x86_64-unknown-redox", + "aarch64-unknown-redox", + "i686-unknown-redox", +] +``` + +[relibc]: https://gitlab.redox-os.org/redox-os/relibc + +## Building Rust programs and testing + +Rust does not yet ship pre-compiled artifacts for Redox OS except for x86_64-unknown-redox. + +The easiest way to build and test programs for Redox OS is using [redoxer](https://gitlab.redox-os.org/redox-os/redoxer) which sets up the required compiler toolchain for building as well as runs programs inside a Redox OS VM using QEMU. + +## Cross-compilation toolchains and C code + +The target supports C code. Pre-compiled C toolchains can be found at . From 587173374ec222bf9f5f30d17acef53a3daf5c06 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Fri, 14 Jun 2024 13:57:56 -0400 Subject: [PATCH 1605/1716] Uplift Reveal to rustc_type_ir --- compiler/rustc_middle/src/traits/mod.rs | 49 +------------------------ compiler/rustc_type_ir/src/solve.rs | 48 ++++++++++++++++++++++++ 2 files changed, 49 insertions(+), 48 deletions(-) diff --git a/compiler/rustc_middle/src/traits/mod.rs b/compiler/rustc_middle/src/traits/mod.rs index 202d587f0ad2..b4e3fae1b43b 100644 --- a/compiler/rustc_middle/src/traits/mod.rs +++ b/compiler/rustc_middle/src/traits/mod.rs @@ -32,54 +32,7 @@ use std::hash::{Hash, Hasher}; pub use self::select::{EvaluationCache, EvaluationResult, OverflowError, SelectionCache}; // FIXME: Remove this import and import via `solve::` -pub use rustc_type_ir::solve::BuiltinImplSource; - -/// Depending on the stage of compilation, we want projection to be -/// more or less conservative. -#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash, HashStable, Encodable, Decodable)] -pub enum Reveal { - /// At type-checking time, we refuse to project any associated - /// type that is marked `default`. Non-`default` ("final") types - /// are always projected. This is necessary in general for - /// soundness of specialization. However, we *could* allow - /// projections in fully-monomorphic cases. We choose not to, - /// because we prefer for `default type` to force the type - /// definition to be treated abstractly by any consumers of the - /// impl. Concretely, that means that the following example will - /// fail to compile: - /// - /// ```compile_fail,E0308 - /// #![feature(specialization)] - /// trait Assoc { - /// type Output; - /// } - /// - /// impl Assoc for T { - /// default type Output = bool; - /// } - /// - /// fn main() { - /// let x: <() as Assoc>::Output = true; - /// } - /// ``` - /// - /// We also do not reveal the hidden type of opaque types during - /// type-checking. - UserFacing, - - /// At codegen time, all monomorphic projections will succeed. - /// Also, `impl Trait` is normalized to the concrete type, - /// which has to be already collected by type-checking. - /// - /// NOTE: as `impl Trait`'s concrete type should *never* - /// be observable directly by the user, `Reveal::All` - /// should not be used by checks which may expose - /// type equality or type contents to the user. - /// There are some exceptions, e.g., around auto traits and - /// transmute-checking, which expose some details, but - /// not the whole concrete type of the `impl Trait`. - All, -} +pub use rustc_type_ir::solve::{BuiltinImplSource, Reveal}; /// The reason why we incurred this obligation; used for error reporting. /// diff --git a/compiler/rustc_type_ir/src/solve.rs b/compiler/rustc_type_ir/src/solve.rs index 6a89a8a4cc30..cff62ee3d1ec 100644 --- a/compiler/rustc_type_ir/src/solve.rs +++ b/compiler/rustc_type_ir/src/solve.rs @@ -9,6 +9,54 @@ use rustc_type_ir_macros::{Lift_Generic, TypeFoldable_Generic, TypeVisitable_Gen use crate::{Canonical, CanonicalVarValues, Interner, Upcast}; +/// Depending on the stage of compilation, we want projection to be +/// more or less conservative. +#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)] +#[cfg_attr(feature = "nightly", derive(TyDecodable, TyEncodable, HashStable_NoContext))] +pub enum Reveal { + /// At type-checking time, we refuse to project any associated + /// type that is marked `default`. Non-`default` ("final") types + /// are always projected. This is necessary in general for + /// soundness of specialization. However, we *could* allow + /// projections in fully-monomorphic cases. We choose not to, + /// because we prefer for `default type` to force the type + /// definition to be treated abstractly by any consumers of the + /// impl. Concretely, that means that the following example will + /// fail to compile: + /// + /// ```compile_fail,E0308 + /// #![feature(specialization)] + /// trait Assoc { + /// type Output; + /// } + /// + /// impl Assoc for T { + /// default type Output = bool; + /// } + /// + /// fn main() { + /// let x: <() as Assoc>::Output = true; + /// } + /// ``` + /// + /// We also do not reveal the hidden type of opaque types during + /// type-checking. + UserFacing, + + /// At codegen time, all monomorphic projections will succeed. + /// Also, `impl Trait` is normalized to the concrete type, + /// which has to be already collected by type-checking. + /// + /// NOTE: as `impl Trait`'s concrete type should *never* + /// be observable directly by the user, `Reveal::All` + /// should not be used by checks which may expose + /// type equality or type contents to the user. + /// There are some exceptions, e.g., around auto traits and + /// transmute-checking, which expose some details, but + /// not the whole concrete type of the `impl Trait`. + All, +} + pub type CanonicalInput::Predicate> = Canonical>; pub type CanonicalResponse = Canonical>; /// The result of evaluating a canonical query. From b65d735f1c4dbb0677884c97ff1b09d0c38d2cc5 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Fri, 14 Jun 2024 13:59:45 -0400 Subject: [PATCH 1606/1716] Move InferCtxtSelectExt out of eval_ctxt module --- compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs | 2 -- compiler/rustc_trait_selection/src/solve/mod.rs | 4 +++- .../rustc_trait_selection/src/solve/{eval_ctxt => }/select.rs | 0 3 files changed, 3 insertions(+), 3 deletions(-) rename compiler/rustc_trait_selection/src/solve/{eval_ctxt => }/select.rs (100%) diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs index 6b8375b53e8f..8dc6b31f8d14 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs @@ -29,11 +29,9 @@ use super::inspect::ProofTreeBuilder; use super::{search_graph, GoalEvaluationKind, FIXPOINT_STEP_LIMIT}; use super::{search_graph::SearchGraph, Goal}; use super::{GoalSource, SolverMode}; -pub use select::InferCtxtSelectExt; pub(super) mod canonical; mod probe; -mod select; pub struct EvalCtxt<'a, Infcx, I = ::Interner> where diff --git a/compiler/rustc_trait_selection/src/solve/mod.rs b/compiler/rustc_trait_selection/src/solve/mod.rs index fdcf4ff11e46..4f1be5cbc853 100644 --- a/compiler/rustc_trait_selection/src/solve/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/mod.rs @@ -37,12 +37,14 @@ mod normalize; mod normalizes_to; mod project_goals; mod search_graph; +mod select; mod trait_goals; -pub use eval_ctxt::{EvalCtxt, GenerateProofTree, InferCtxtEvalExt, InferCtxtSelectExt}; +pub use eval_ctxt::{EvalCtxt, GenerateProofTree, InferCtxtEvalExt}; pub use fulfill::{FulfillmentCtxt, NextSolverError}; pub(crate) use normalize::deeply_normalize_for_diagnostics; pub use normalize::{deeply_normalize, deeply_normalize_with_skipped_universes}; +pub use select::InferCtxtSelectExt; /// How many fixpoint iterations we should attempt inside of the solver before bailing /// with overflow. diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/select.rs b/compiler/rustc_trait_selection/src/solve/select.rs similarity index 100% rename from compiler/rustc_trait_selection/src/solve/eval_ctxt/select.rs rename to compiler/rustc_trait_selection/src/solve/select.rs From a333943890315776f3be83988511f495dc10efbd Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Fri, 14 Jun 2024 14:04:52 -0400 Subject: [PATCH 1607/1716] Stop using AssocKind in new solver --- .../src/solve/normalizes_to/mod.rs | 24 +++++++++---------- 1 file changed, 11 insertions(+), 13 deletions(-) diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs b/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs index 60a15392e0be..5c5923e9d396 100644 --- a/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs @@ -10,13 +10,13 @@ use rustc_infer::traits::query::NoSolution; use rustc_infer::traits::solve::inspect::ProbeKind; use rustc_infer::traits::solve::MaybeCause; use rustc_infer::traits::Reveal; +use rustc_middle::bug; use rustc_middle::traits::solve::{CandidateSource, Certainty, Goal, QueryResult}; use rustc_middle::traits::BuiltinImplSource; use rustc_middle::ty::fast_reject::{DeepRejectCtxt, TreatParams}; use rustc_middle::ty::NormalizesTo; use rustc_middle::ty::{self, Ty, TyCtxt}; use rustc_middle::ty::{TypeVisitableExt, Upcast}; -use rustc_middle::{bug, span_bug}; use rustc_span::{ErrorGuaranteed, DUMMY_SP}; mod anon_const; @@ -200,14 +200,10 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { let error_response = |ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, reason| { let guar = tcx.dcx().span_delayed_bug(tcx.def_span(assoc_def.item.def_id), reason); - let error_term = match assoc_def.item.kind { - ty::AssocKind::Const => ty::Const::new_error(tcx, guar).into(), - ty::AssocKind::Type => Ty::new_error(tcx, guar).into(), - // This makes no sense... - ty::AssocKind::Fn => span_bug!( - tcx.def_span(assoc_def.item.def_id), - "cannot project to an associated function" - ), + let error_term = match goal.predicate.alias.kind(tcx) { + ty::AliasTermKind::ProjectionTy => Ty::new_error(tcx, guar).into(), + ty::AliasTermKind::ProjectionConst => ty::Const::new_error(tcx, guar).into(), + kind => bug!("expected projection, found {kind:?}"), }; ecx.instantiate_normalizes_to_term(goal, error_term); ecx.evaluate_added_goals_and_make_canonical_response(Certainty::Yes) @@ -238,9 +234,11 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } // Finally we construct the actual value of the associated type. - let term = match assoc_def.item.kind { - ty::AssocKind::Type => tcx.type_of(assoc_def.item.def_id).map_bound(|ty| ty.into()), - ty::AssocKind::Const => { + let term = match goal.predicate.alias.kind(tcx) { + ty::AliasTermKind::ProjectionTy => { + tcx.type_of(assoc_def.item.def_id).map_bound(|ty| ty.into()) + } + ty::AliasTermKind::ProjectionConst => { if tcx.features().associated_const_equality { bug!("associated const projection is not supported yet") } else { @@ -254,7 +252,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { ) } } - ty::AssocKind::Fn => unreachable!("we should never project to a fn"), + kind => bug!("expected projection, found {kind:?}"), }; ecx.instantiate_normalizes_to_term(goal, term.instantiate(tcx, associated_item_args)); From f93ee19fd7cd7016a8d6829b40ad7c087a6cd5c4 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Fri, 14 Jun 2024 14:59:03 -0400 Subject: [PATCH 1608/1716] Make ExternalConstraints just carry outlives --- compiler/rustc_middle/src/traits/solve.rs | 3 +- .../src/solve/eval_ctxt/canonical.rs | 40 ++++++++++--------- 2 files changed, 23 insertions(+), 20 deletions(-) diff --git a/compiler/rustc_middle/src/traits/solve.rs b/compiler/rustc_middle/src/traits/solve.rs index 0d9ce402c64e..fea673eed772 100644 --- a/compiler/rustc_middle/src/traits/solve.rs +++ b/compiler/rustc_middle/src/traits/solve.rs @@ -4,7 +4,6 @@ use rustc_macros::{HashStable, TypeFoldable, TypeVisitable}; use rustc_type_ir as ir; pub use rustc_type_ir::solve::*; -use crate::infer::canonical::QueryRegionConstraints; use crate::ty::{ self, FallibleTypeFolder, Ty, TyCtxt, TypeFoldable, TypeFolder, TypeVisitable, TypeVisitor, }; @@ -52,7 +51,7 @@ impl<'tcx> std::ops::Deref for ExternalConstraints<'tcx> { #[derive(Debug, PartialEq, Eq, Clone, Hash, HashStable, Default, TypeVisitable, TypeFoldable)] pub struct ExternalConstraintsData<'tcx> { // FIXME: implement this. - pub region_constraints: QueryRegionConstraints<'tcx>, + pub region_constraints: Vec>>, pub opaque_types: Vec<(ty::OpaqueTypeKey<'tcx>, Ty<'tcx>)>, pub normalization_nested_goals: NestedNormalizationGoals<'tcx>, } diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs index 0e0b9e983391..ffbdc639f084 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs @@ -135,8 +135,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { // Remove any trivial region constraints once we've resolved regions external_constraints .region_constraints - .outlives - .retain(|(outlives, _)| outlives.0.as_region().map_or(true, |re| re != outlives.1)); + .retain(|outlives| outlives.0.as_region().map_or(true, |re| re != outlives.1)); let canonical = Canonicalizer::canonicalize( self.infcx, @@ -193,19 +192,23 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { // Cannot use `take_registered_region_obligations` as we may compute the response // inside of a `probe` whenever we have multiple choices inside of the solver. let region_obligations = self.infcx.inner.borrow().region_obligations().to_owned(); - let mut region_constraints = self.infcx.with_region_constraints(|region_constraints| { - make_query_region_constraints( - self.interner(), - region_obligations.iter().map(|r_o| { - (r_o.sup_type, r_o.sub_region, r_o.origin.to_constraint_category()) - }), - region_constraints, - ) - }); - + let QueryRegionConstraints { outlives, member_constraints } = + self.infcx.with_region_constraints(|region_constraints| { + make_query_region_constraints( + self.interner(), + region_obligations.iter().map(|r_o| { + (r_o.sup_type, r_o.sub_region, r_o.origin.to_constraint_category()) + }), + region_constraints, + ) + }); + assert_eq!(member_constraints, vec![]); let mut seen = FxHashSet::default(); - region_constraints.outlives.retain(|outlives| seen.insert(*outlives)); - region_constraints + outlives + .into_iter() + .filter(|(outlives, _)| seen.insert(*outlives)) + .map(|(outlives, _origin)| outlives) + .collect() } else { Default::default() }; @@ -369,16 +372,17 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { } } - fn register_region_constraints(&mut self, region_constraints: &QueryRegionConstraints<'tcx>) { - for &(ty::OutlivesPredicate(lhs, rhs), _) in ®ion_constraints.outlives { + fn register_region_constraints( + &mut self, + outlives: &[ty::OutlivesPredicate<'tcx, ty::GenericArg<'tcx>>], + ) { + for &ty::OutlivesPredicate(lhs, rhs) in outlives { match lhs.unpack() { GenericArgKind::Lifetime(lhs) => self.register_region_outlives(lhs, rhs), GenericArgKind::Type(lhs) => self.register_ty_outlives(lhs, rhs), GenericArgKind::Const(_) => bug!("const outlives: {lhs:?}: {rhs:?}"), } } - - assert!(region_constraints.member_constraints.is_empty()); } fn register_new_opaque_types(&mut self, opaque_types: &[(ty::OpaqueTypeKey<'tcx>, Ty<'tcx>)]) { From 9d207cfbc803e1c8fe263639dffc309941ed1723 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Fri, 14 Jun 2024 15:16:47 -0400 Subject: [PATCH 1609/1716] Uplift ExternalConstraintData --- compiler/rustc_middle/src/arena.rs | 2 +- compiler/rustc_middle/src/traits/solve.rs | 29 +++---------- compiler/rustc_middle/src/ty/context.rs | 5 ++- .../src/solve/eval_ctxt/canonical.rs | 38 ++++++++++------ .../src/solve/eval_ctxt/mod.rs | 4 +- compiler/rustc_type_ir/src/interner.rs | 1 + compiler/rustc_type_ir/src/solve.rs | 43 ++++++++++++++++++- 7 files changed, 79 insertions(+), 43 deletions(-) diff --git a/compiler/rustc_middle/src/arena.rs b/compiler/rustc_middle/src/arena.rs index de786c38326f..3d4e5caa9b27 100644 --- a/compiler/rustc_middle/src/arena.rs +++ b/compiler/rustc_middle/src/arena.rs @@ -110,7 +110,7 @@ macro_rules! arena_types { rustc_hir::def_id::DefId, rustc_middle::ty::EarlyBinder<'tcx, rustc_middle::ty::Ty<'tcx>> >, - [] external_constraints: rustc_middle::traits::solve::ExternalConstraintsData<'tcx>, + [] external_constraints: rustc_middle::traits::solve::ExternalConstraintsData>, [] predefined_opaques_in_body: rustc_middle::traits::solve::PredefinedOpaquesData<'tcx>, [decode] doc_link_resolutions: rustc_hir::def::DocLinkResMap, [] stripped_cfg_items: rustc_ast::expand::StrippedCfgItem, diff --git a/compiler/rustc_middle/src/traits/solve.rs b/compiler/rustc_middle/src/traits/solve.rs index fea673eed772..9e979620a440 100644 --- a/compiler/rustc_middle/src/traits/solve.rs +++ b/compiler/rustc_middle/src/traits/solve.rs @@ -1,6 +1,6 @@ use rustc_ast_ir::try_visit; use rustc_data_structures::intern::Interned; -use rustc_macros::{HashStable, TypeFoldable, TypeVisitable}; +use rustc_macros::HashStable; use rustc_type_ir as ir; pub use rustc_type_ir::solve::*; @@ -37,37 +37,18 @@ impl<'tcx> std::ops::Deref for PredefinedOpaques<'tcx> { } #[derive(Debug, PartialEq, Eq, Copy, Clone, Hash, HashStable)] -pub struct ExternalConstraints<'tcx>(pub(crate) Interned<'tcx, ExternalConstraintsData<'tcx>>); +pub struct ExternalConstraints<'tcx>( + pub(crate) Interned<'tcx, ExternalConstraintsData>>, +); impl<'tcx> std::ops::Deref for ExternalConstraints<'tcx> { - type Target = ExternalConstraintsData<'tcx>; + type Target = ExternalConstraintsData>; fn deref(&self) -> &Self::Target { &self.0 } } -/// Additional constraints returned on success. -#[derive(Debug, PartialEq, Eq, Clone, Hash, HashStable, Default, TypeVisitable, TypeFoldable)] -pub struct ExternalConstraintsData<'tcx> { - // FIXME: implement this. - pub region_constraints: Vec>>, - pub opaque_types: Vec<(ty::OpaqueTypeKey<'tcx>, Ty<'tcx>)>, - pub normalization_nested_goals: NestedNormalizationGoals<'tcx>, -} - -#[derive(Debug, PartialEq, Eq, Clone, Hash, HashStable, Default, TypeVisitable, TypeFoldable)] -pub struct NestedNormalizationGoals<'tcx>(pub Vec<(GoalSource, Goal<'tcx, ty::Predicate<'tcx>>)>); -impl<'tcx> NestedNormalizationGoals<'tcx> { - pub fn empty() -> Self { - NestedNormalizationGoals(vec![]) - } - - pub fn is_empty(&self) -> bool { - self.0.is_empty() - } -} - // FIXME: Having to clone `region_constraints` for folding feels bad and // probably isn't great wrt performance. // diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index 3651c990c979..e2f15dac0198 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -88,6 +88,7 @@ use std::ops::{Bound, Deref}; #[allow(rustc::usage_of_ty_tykind)] impl<'tcx> Interner for TyCtxt<'tcx> { type DefId = DefId; + type LocalDefId = LocalDefId; type AdtDef = ty::AdtDef<'tcx>; type GenericArgs = ty::GenericArgsRef<'tcx>; @@ -382,7 +383,7 @@ pub struct CtxtInterners<'tcx> { bound_variable_kinds: InternedSet<'tcx, List>, layout: InternedSet<'tcx, LayoutS>, adt_def: InternedSet<'tcx, AdtDefData>, - external_constraints: InternedSet<'tcx, ExternalConstraintsData<'tcx>>, + external_constraints: InternedSet<'tcx, ExternalConstraintsData>>, predefined_opaques_in_body: InternedSet<'tcx, PredefinedOpaquesData<'tcx>>, fields: InternedSet<'tcx, List>, local_def_ids: InternedSet<'tcx, List>, @@ -2093,7 +2094,7 @@ direct_interners! { const_allocation: pub mk_const_alloc(Allocation): ConstAllocation -> ConstAllocation<'tcx>, layout: pub mk_layout(LayoutS): Layout -> Layout<'tcx>, adt_def: pub mk_adt_def_from_data(AdtDefData): AdtDef -> AdtDef<'tcx>, - external_constraints: pub mk_external_constraints(ExternalConstraintsData<'tcx>): + external_constraints: pub mk_external_constraints(ExternalConstraintsData>): ExternalConstraints -> ExternalConstraints<'tcx>, predefined_opaques_in_body: pub mk_predefined_opaques_in_body(PredefinedOpaquesData<'tcx>): PredefinedOpaques -> PredefinedOpaques<'tcx>, diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs index ffbdc639f084..2e020b03c5da 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs @@ -14,6 +14,7 @@ use crate::solve::{ inspect, response_no_constraints_raw, CanonicalResponse, QueryResult, Response, }; use rustc_data_structures::fx::FxHashSet; +use rustc_hir::def_id::LocalDefId; use rustc_index::IndexVec; use rustc_infer::infer::canonical::query_response::make_query_region_constraints; use rustc_infer::infer::canonical::{CanonicalExt, QueryRegionConstraints}; @@ -178,8 +179,8 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { fn compute_external_query_constraints( &self, certainty: Certainty, - normalization_nested_goals: NestedNormalizationGoals<'tcx>, - ) -> ExternalConstraintsData<'tcx> { + normalization_nested_goals: NestedNormalizationGoals>, + ) -> ExternalConstraintsData> { // We only return region constraints once the certainty is `Yes`. This // is necessary as we may drop nested goals on ambiguity, which may result // in unconstrained inference variables in the region constraints. It also @@ -213,13 +214,20 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { Default::default() }; - let mut opaque_types = self.infcx.clone_opaque_types_for_query_response(); - // Only return opaque type keys for newly-defined opaques - opaque_types.retain(|(a, _)| { - self.predefined_opaques_in_body.opaque_types.iter().all(|(pa, _)| pa != a) - }); - - ExternalConstraintsData { region_constraints, opaque_types, normalization_nested_goals } + ExternalConstraintsData { + region_constraints, + opaque_types: self + .infcx + .clone_opaque_types_for_query_response() + .into_iter() + // Only return *newly defined* opaque types. + .filter(|(a, _)| { + self.predefined_opaques_in_body.opaque_types.iter().all(|(pa, _)| pa != a) + }) + .map(|(key, value)| (key.def_id, key.args, value)) + .collect(), + normalization_nested_goals, + } } /// After calling a canonical query, we apply the constraints returned @@ -235,7 +243,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { param_env: ty::ParamEnv<'tcx>, original_values: Vec>, response: CanonicalResponse<'tcx>, - ) -> (NestedNormalizationGoals<'tcx>, Certainty) { + ) -> (NestedNormalizationGoals>, Certainty) { let instantiation = Self::compute_query_response_instantiation_values( self.infcx, &original_values, @@ -385,10 +393,14 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { } } - fn register_new_opaque_types(&mut self, opaque_types: &[(ty::OpaqueTypeKey<'tcx>, Ty<'tcx>)]) { - for &(key, ty) in opaque_types { + fn register_new_opaque_types( + &mut self, + opaque_types: &[(LocalDefId, ty::GenericArgsRef<'tcx>, Ty<'tcx>)], + ) { + for &(def_id, args, ty) in opaque_types { let hidden_ty = ty::OpaqueHiddenType { ty, span: DUMMY_SP }; - self.infcx.inject_new_hidden_type_unchecked(key, hidden_ty); + self.infcx + .inject_new_hidden_type_unchecked(ty::OpaqueTypeKey { def_id, args }, hidden_ty); } } } diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs index 8dc6b31f8d14..74938d2bbd70 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs @@ -337,7 +337,7 @@ impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { goal_evaluation_kind: GoalEvaluationKind, _source: GoalSource, goal: Goal<'tcx, ty::Predicate<'tcx>>, - ) -> Result<(NestedNormalizationGoals<'tcx>, bool, Certainty), NoSolution> { + ) -> Result<(NestedNormalizationGoals>, bool, Certainty), NoSolution> { let (orig_values, canonical_goal) = self.canonicalize_goal(goal); let mut goal_evaluation = self.inspect.new_goal_evaluation(goal, &orig_values, goal_evaluation_kind); @@ -380,7 +380,7 @@ impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { param_env: ty::ParamEnv<'tcx>, original_values: Vec>, response: CanonicalResponse<'tcx>, - ) -> (NestedNormalizationGoals<'tcx>, Certainty, bool) { + ) -> (NestedNormalizationGoals>, Certainty, bool) { if let Certainty::Maybe(MaybeCause::Overflow { .. }) = response.value.certainty { return (NestedNormalizationGoals::empty(), response.value.certainty, false); } diff --git a/compiler/rustc_type_ir/src/interner.rs b/compiler/rustc_type_ir/src/interner.rs index a2b71e1fc257..30beb4480e92 100644 --- a/compiler/rustc_type_ir/src/interner.rs +++ b/compiler/rustc_type_ir/src/interner.rs @@ -29,6 +29,7 @@ pub trait Interner: + IrPrint> { type DefId: Copy + Debug + Hash + Eq + TypeFoldable; + type LocalDefId: Copy + Debug + Hash + Eq + TypeFoldable; type AdtDef: AdtDef; type GenericArgs: GenericArgs; diff --git a/compiler/rustc_type_ir/src/solve.rs b/compiler/rustc_type_ir/src/solve.rs index cff62ee3d1ec..d4e43716c17a 100644 --- a/compiler/rustc_type_ir/src/solve.rs +++ b/compiler/rustc_type_ir/src/solve.rs @@ -7,7 +7,7 @@ use std::hash::Hash; use rustc_macros::{HashStable_NoContext, TyDecodable, TyEncodable}; use rustc_type_ir_macros::{Lift_Generic, TypeFoldable_Generic, TypeVisitable_Generic}; -use crate::{Canonical, CanonicalVarValues, Interner, Upcast}; +use crate::{self as ty, Canonical, CanonicalVarValues, Interner, Upcast}; /// Depending on the stage of compilation, we want projection to be /// more or less conservative. @@ -254,6 +254,47 @@ pub struct Response { pub external_constraints: I::ExternalConstraints, } +/// Additional constraints returned on success. +#[derive(derivative::Derivative)] +#[derivative( + Clone(bound = ""), + Hash(bound = ""), + PartialEq(bound = ""), + Eq(bound = ""), + Debug(bound = ""), + Default(bound = "") +)] +#[derive(TypeVisitable_Generic, TypeFoldable_Generic)] +#[cfg_attr(feature = "nightly", derive(HashStable_NoContext))] +pub struct ExternalConstraintsData { + pub region_constraints: Vec>, + pub opaque_types: Vec<(I::LocalDefId, I::GenericArgs, I::Ty)>, + pub normalization_nested_goals: NestedNormalizationGoals, +} + +#[derive(derivative::Derivative)] +#[derivative( + Clone(bound = ""), + Hash(bound = ""), + PartialEq(bound = ""), + Eq(bound = ""), + Debug(bound = ""), + Default(bound = "") +)] +#[derive(TypeVisitable_Generic, TypeFoldable_Generic)] +#[cfg_attr(feature = "nightly", derive(HashStable_NoContext))] +pub struct NestedNormalizationGoals(pub Vec<(GoalSource, Goal)>); + +impl NestedNormalizationGoals { + pub fn empty() -> Self { + NestedNormalizationGoals(vec![]) + } + + pub fn is_empty(&self) -> bool { + self.0.is_empty() + } +} + #[derive(Clone, Copy, Hash, PartialEq, Eq, Debug)] #[cfg_attr(feature = "nightly", derive(HashStable_NoContext))] pub enum Certainty { From 4c2d888a507cf28ecec80e630b61a2700b9d060d Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Fri, 14 Jun 2024 15:19:12 -0400 Subject: [PATCH 1610/1716] Add a note --- compiler/rustc_next_trait_solver/src/lib.rs | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/compiler/rustc_next_trait_solver/src/lib.rs b/compiler/rustc_next_trait_solver/src/lib.rs index b913a05095c2..144caf36ee53 100644 --- a/compiler/rustc_next_trait_solver/src/lib.rs +++ b/compiler/rustc_next_trait_solver/src/lib.rs @@ -1,3 +1,9 @@ +//! Crate containing the implementation of the next-generation trait solver. +//! +//! This crate may also contain things that are used by the old trait solver, +//! but were uplifted in the process of making the new trait solver generic. +//! So if you got to this crate from the old solver, it's totally normal. + pub mod canonicalizer; pub mod resolve; pub mod solve; From ff154c7122caa5a56c71e1dfa5e49e87e6f26428 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sat, 15 Jun 2024 17:41:49 -0400 Subject: [PATCH 1611/1716] Uplift OpaqueTypeKey too, use it in response --- compiler/rustc_middle/src/ty/mod.rs | 40 +-------------- compiler/rustc_middle/src/ty/opaque_types.rs | 2 + .../src/solve/eval_ctxt/canonical.rs | 12 ++--- compiler/rustc_type_ir/src/interner.rs | 8 ++- compiler/rustc_type_ir/src/lib.rs | 2 + compiler/rustc_type_ir/src/opaque_ty.rs | 51 +++++++++++++++++++ compiler/rustc_type_ir/src/solve.rs | 2 +- 7 files changed, 66 insertions(+), 51 deletions(-) create mode 100644 compiler/rustc_type_ir/src/opaque_ty.rs diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs index 5a94a53e175e..4e388de6fb8a 100644 --- a/compiler/rustc_middle/src/ty/mod.rs +++ b/compiler/rustc_middle/src/ty/mod.rs @@ -94,6 +94,7 @@ pub use self::context::{ }; pub use self::instance::{Instance, InstanceDef, ReifyReason, ShortInstance, UnusedGenericParams}; pub use self::list::{List, ListWithCachedTypeInfo}; +pub use self::opaque_types::OpaqueTypeKey; pub use self::parameterized::ParameterizedOverTcx; pub use self::pattern::{Pattern, PatternKind}; pub use self::predicate::{ @@ -758,45 +759,6 @@ impl<'a, 'tcx> IntoIterator for &'a InstantiatedPredicates<'tcx> { } } -#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash, HashStable, TyEncodable, TyDecodable)] -#[derive(TypeFoldable, TypeVisitable)] -pub struct OpaqueTypeKey<'tcx> { - pub def_id: LocalDefId, - pub args: GenericArgsRef<'tcx>, -} - -impl<'tcx> OpaqueTypeKey<'tcx> { - pub fn iter_captured_args( - self, - tcx: TyCtxt<'tcx>, - ) -> impl Iterator)> { - std::iter::zip(self.args, tcx.variances_of(self.def_id)).enumerate().filter_map( - |(i, (arg, v))| match (arg.unpack(), v) { - (_, ty::Invariant) => Some((i, arg)), - (ty::GenericArgKind::Lifetime(_), ty::Bivariant) => None, - _ => bug!("unexpected opaque type arg variance"), - }, - ) - } - - pub fn fold_captured_lifetime_args( - self, - tcx: TyCtxt<'tcx>, - mut f: impl FnMut(Region<'tcx>) -> Region<'tcx>, - ) -> Self { - let Self { def_id, args } = self; - let args = std::iter::zip(args, tcx.variances_of(def_id)).map(|(arg, v)| { - match (arg.unpack(), v) { - (ty::GenericArgKind::Lifetime(_), ty::Bivariant) => arg, - (ty::GenericArgKind::Lifetime(lt), _) => f(lt).into(), - _ => arg, - } - }); - let args = tcx.mk_args_from_iter(args); - Self { def_id, args } - } -} - #[derive(Copy, Clone, Debug, TypeFoldable, TypeVisitable, HashStable, TyEncodable, TyDecodable)] pub struct OpaqueHiddenType<'tcx> { /// The span of this particular definition of the opaque type. So diff --git a/compiler/rustc_middle/src/ty/opaque_types.rs b/compiler/rustc_middle/src/ty/opaque_types.rs index 52902aadd7c7..08b2f9e89203 100644 --- a/compiler/rustc_middle/src/ty/opaque_types.rs +++ b/compiler/rustc_middle/src/ty/opaque_types.rs @@ -7,6 +7,8 @@ use rustc_span::def_id::DefId; use rustc_span::Span; use tracing::{debug, instrument, trace}; +pub type OpaqueTypeKey<'tcx> = rustc_type_ir::OpaqueTypeKey>; + /// Converts generic params of a TypeFoldable from one /// item's generics to another. Usually from a function's generics /// list to the opaque type's own generics. diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs index 2e020b03c5da..b5753d60f599 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs @@ -14,7 +14,6 @@ use crate::solve::{ inspect, response_no_constraints_raw, CanonicalResponse, QueryResult, Response, }; use rustc_data_structures::fx::FxHashSet; -use rustc_hir::def_id::LocalDefId; use rustc_index::IndexVec; use rustc_infer::infer::canonical::query_response::make_query_region_constraints; use rustc_infer::infer::canonical::{CanonicalExt, QueryRegionConstraints}; @@ -224,7 +223,6 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { .filter(|(a, _)| { self.predefined_opaques_in_body.opaque_types.iter().all(|(pa, _)| pa != a) }) - .map(|(key, value)| (key.def_id, key.args, value)) .collect(), normalization_nested_goals, } @@ -393,14 +391,10 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { } } - fn register_new_opaque_types( - &mut self, - opaque_types: &[(LocalDefId, ty::GenericArgsRef<'tcx>, Ty<'tcx>)], - ) { - for &(def_id, args, ty) in opaque_types { + fn register_new_opaque_types(&mut self, opaque_types: &[(ty::OpaqueTypeKey<'tcx>, Ty<'tcx>)]) { + for &(key, ty) in opaque_types { let hidden_ty = ty::OpaqueHiddenType { ty, span: DUMMY_SP }; - self.infcx - .inject_new_hidden_type_unchecked(ty::OpaqueTypeKey { def_id, args }, hidden_ty); + self.infcx.inject_new_hidden_type_unchecked(key, hidden_ty); } } } diff --git a/compiler/rustc_type_ir/src/interner.rs b/compiler/rustc_type_ir/src/interner.rs index 30beb4480e92..11c1f73fef33 100644 --- a/compiler/rustc_type_ir/src/interner.rs +++ b/compiler/rustc_type_ir/src/interner.rs @@ -29,7 +29,7 @@ pub trait Interner: + IrPrint> { type DefId: Copy + Debug + Hash + Eq + TypeFoldable; - type LocalDefId: Copy + Debug + Hash + Eq + TypeFoldable; + type LocalDefId: Copy + Debug + Hash + Eq + Into + TypeFoldable; type AdtDef: AdtDef; type GenericArgs: GenericArgs; @@ -104,7 +104,11 @@ pub trait Interner: type GenericsOf: GenericsOf; fn generics_of(self, def_id: Self::DefId) -> Self::GenericsOf; - type VariancesOf: Copy + Debug + Deref; + type VariancesOf: Copy + + Debug + + Deref + // FIXME: This is terrible! + + IntoIterator>; fn variances_of(self, def_id: Self::DefId) -> Self::VariancesOf; // FIXME: Remove after uplifting `EarlyBinder` diff --git a/compiler/rustc_type_ir/src/lib.rs b/compiler/rustc_type_ir/src/lib.rs index 4775a0f8cbbe..ac9b2808804c 100644 --- a/compiler/rustc_type_ir/src/lib.rs +++ b/compiler/rustc_type_ir/src/lib.rs @@ -47,6 +47,7 @@ mod flags; mod generic_arg; mod infcx; mod interner; +mod opaque_ty; mod predicate; mod predicate_kind; mod region_kind; @@ -63,6 +64,7 @@ pub use flags::*; pub use generic_arg::*; pub use infcx::InferCtxtLike; pub use interner::*; +pub use opaque_ty::*; pub use predicate::*; pub use predicate_kind::*; pub use region_kind::*; diff --git a/compiler/rustc_type_ir/src/opaque_ty.rs b/compiler/rustc_type_ir/src/opaque_ty.rs new file mode 100644 index 000000000000..607370665975 --- /dev/null +++ b/compiler/rustc_type_ir/src/opaque_ty.rs @@ -0,0 +1,51 @@ +use rustc_macros::{HashStable_NoContext, TyDecodable, TyEncodable}; +use rustc_type_ir_macros::{TypeFoldable_Generic, TypeVisitable_Generic}; + +use crate::inherent::*; +use crate::{self as ty, Interner}; + +#[derive(derivative::Derivative)] +#[derivative( + Clone(bound = ""), + Hash(bound = ""), + PartialEq(bound = ""), + Eq(bound = ""), + Debug(bound = ""), + Copy(bound = "") +)] +#[derive(TypeVisitable_Generic, TypeFoldable_Generic)] +#[cfg_attr(feature = "nightly", derive(TyEncodable, TyDecodable, HashStable_NoContext))] +pub struct OpaqueTypeKey { + pub def_id: I::LocalDefId, + pub args: I::GenericArgs, +} + +impl OpaqueTypeKey { + pub fn iter_captured_args(self, tcx: I) -> impl Iterator { + let variances = tcx.variances_of(self.def_id.into()); + std::iter::zip(self.args, variances.into_iter()).enumerate().filter_map(|(i, (arg, v))| { + match (arg.kind(), *v) { + (_, ty::Invariant) => Some((i, arg)), + (ty::GenericArgKind::Lifetime(_), ty::Bivariant) => None, + _ => panic!("unexpected opaque type arg variance"), + } + }) + } + + pub fn fold_captured_lifetime_args( + self, + tcx: I, + mut f: impl FnMut(I::Region) -> I::Region, + ) -> Self { + let Self { def_id, args } = self; + let variances = tcx.variances_of(def_id.into()); + let args = + std::iter::zip(args, variances.into_iter()).map(|(arg, v)| match (arg.kind(), *v) { + (ty::GenericArgKind::Lifetime(_), ty::Bivariant) => arg, + (ty::GenericArgKind::Lifetime(lt), _) => f(lt).into(), + _ => arg, + }); + let args = tcx.mk_args_from_iter(args); + Self { def_id, args } + } +} diff --git a/compiler/rustc_type_ir/src/solve.rs b/compiler/rustc_type_ir/src/solve.rs index d4e43716c17a..99d2fa744947 100644 --- a/compiler/rustc_type_ir/src/solve.rs +++ b/compiler/rustc_type_ir/src/solve.rs @@ -268,7 +268,7 @@ pub struct Response { #[cfg_attr(feature = "nightly", derive(HashStable_NoContext))] pub struct ExternalConstraintsData { pub region_constraints: Vec>, - pub opaque_types: Vec<(I::LocalDefId, I::GenericArgs, I::Ty)>, + pub opaque_types: Vec<(ty::OpaqueTypeKey, I::Ty)>, pub normalization_nested_goals: NestedNormalizationGoals, } From 6b84d7566eaeefe521fdba12c65a9e0b137e34a6 Mon Sep 17 00:00:00 2001 From: Nadrieril Date: Sun, 3 Mar 2024 02:22:37 +0100 Subject: [PATCH 1612/1716] Add tests --- tests/mir-opt/or_pattern.rs | 24 +++++ ...ut_second_or.SimplifyCfg-initial.after.mir | 100 ++++++++++++++++++ ...le_switchint.SimplifyCfg-initial.after.mir | 79 ++++++++++++++ tests/ui/or-patterns/bindings-runpass-2.rs | 1 + tests/ui/or-patterns/inner-or-pat.or3.stderr | 2 +- tests/ui/or-patterns/inner-or-pat.or4.stderr | 2 +- tests/ui/or-patterns/inner-or-pat.rs | 4 +- ...ssue-70413-no-unreachable-pat-and-guard.rs | 21 ++-- tests/ui/or-patterns/search-via-bindings.rs | 22 ++++ .../or-patterns/simplification_subtleties.rs | 11 ++ 10 files changed, 250 insertions(+), 16 deletions(-) create mode 100644 tests/mir-opt/or_pattern.rs create mode 100644 tests/mir-opt/or_pattern.shortcut_second_or.SimplifyCfg-initial.after.mir create mode 100644 tests/mir-opt/or_pattern.single_switchint.SimplifyCfg-initial.after.mir create mode 100644 tests/ui/or-patterns/simplification_subtleties.rs diff --git a/tests/mir-opt/or_pattern.rs b/tests/mir-opt/or_pattern.rs new file mode 100644 index 000000000000..0ad0ce8ead1e --- /dev/null +++ b/tests/mir-opt/or_pattern.rs @@ -0,0 +1,24 @@ +// skip-filecheck + +// EMIT_MIR or_pattern.shortcut_second_or.SimplifyCfg-initial.after.mir +fn shortcut_second_or() { + // Check that after matching `0`, failing to match `2 | 3` skips trying to match `(1, 2 | 3)`. + match ((0, 0), 0) { + (x @ (0, _) | x @ (_, 1), y @ 2 | y @ 3) => {} + _ => {} + } +} + +// EMIT_MIR or_pattern.single_switchint.SimplifyCfg-initial.after.mir +fn single_switchint() { + // Check how many `SwitchInt`s we do. In theory a single one is necessary. + match (1, true) { + (1, true) => 1, + (2, false) => 2, + (1 | 2, true | false) => 3, + (3 | 4, true | false) => 4, + _ => 5, + }; +} + +fn main() {} diff --git a/tests/mir-opt/or_pattern.shortcut_second_or.SimplifyCfg-initial.after.mir b/tests/mir-opt/or_pattern.shortcut_second_or.SimplifyCfg-initial.after.mir new file mode 100644 index 000000000000..56edd38a6da4 --- /dev/null +++ b/tests/mir-opt/or_pattern.shortcut_second_or.SimplifyCfg-initial.after.mir @@ -0,0 +1,100 @@ +// MIR for `shortcut_second_or` after SimplifyCfg-initial + +fn shortcut_second_or() -> () { + let mut _0: (); + let mut _1: ((i32, i32), i32); + let mut _2: (i32, i32); + let _3: (i32, i32); + let _4: i32; + scope 1 { + debug x => _3; + debug y => _4; + } + + bb0: { + StorageLive(_1); + StorageLive(_2); + _2 = (const 0_i32, const 0_i32); + _1 = (move _2, const 0_i32); + StorageDead(_2); + PlaceMention(_1); + switchInt(((_1.0: (i32, i32)).0: i32)) -> [0: bb4, otherwise: bb2]; + } + + bb1: { + _0 = const (); + goto -> bb14; + } + + bb2: { + switchInt(((_1.0: (i32, i32)).1: i32)) -> [1: bb3, otherwise: bb1]; + } + + bb3: { + switchInt((_1.1: i32)) -> [2: bb7, 3: bb8, otherwise: bb1]; + } + + bb4: { + switchInt((_1.1: i32)) -> [2: bb5, 3: bb6, otherwise: bb1]; + } + + bb5: { + falseEdge -> [real: bb10, imaginary: bb6]; + } + + bb6: { + falseEdge -> [real: bb11, imaginary: bb2]; + } + + bb7: { + falseEdge -> [real: bb12, imaginary: bb8]; + } + + bb8: { + falseEdge -> [real: bb13, imaginary: bb1]; + } + + bb9: { + _0 = const (); + StorageDead(_4); + StorageDead(_3); + goto -> bb14; + } + + bb10: { + StorageLive(_3); + _3 = (_1.0: (i32, i32)); + StorageLive(_4); + _4 = (_1.1: i32); + goto -> bb9; + } + + bb11: { + StorageLive(_3); + _3 = (_1.0: (i32, i32)); + StorageLive(_4); + _4 = (_1.1: i32); + goto -> bb9; + } + + bb12: { + StorageLive(_3); + _3 = (_1.0: (i32, i32)); + StorageLive(_4); + _4 = (_1.1: i32); + goto -> bb9; + } + + bb13: { + StorageLive(_3); + _3 = (_1.0: (i32, i32)); + StorageLive(_4); + _4 = (_1.1: i32); + goto -> bb9; + } + + bb14: { + StorageDead(_1); + return; + } +} diff --git a/tests/mir-opt/or_pattern.single_switchint.SimplifyCfg-initial.after.mir b/tests/mir-opt/or_pattern.single_switchint.SimplifyCfg-initial.after.mir new file mode 100644 index 000000000000..72b1a835cf08 --- /dev/null +++ b/tests/mir-opt/or_pattern.single_switchint.SimplifyCfg-initial.after.mir @@ -0,0 +1,79 @@ +// MIR for `single_switchint` after SimplifyCfg-initial + +fn single_switchint() -> () { + let mut _0: (); + let _1: i32; + let mut _2: (i32, bool); + + bb0: { + StorageLive(_1); + StorageLive(_2); + _2 = (const 1_i32, const true); + PlaceMention(_2); + switchInt((_2.0: i32)) -> [1: bb6, 2: bb8, otherwise: bb1]; + } + + bb1: { + switchInt((_2.0: i32)) -> [1: bb3, 2: bb3, otherwise: bb2]; + } + + bb2: { + switchInt((_2.0: i32)) -> [3: bb5, 4: bb5, otherwise: bb4]; + } + + bb3: { + falseEdge -> [real: bb12, imaginary: bb2]; + } + + bb4: { + _1 = const 5_i32; + goto -> bb14; + } + + bb5: { + falseEdge -> [real: bb13, imaginary: bb4]; + } + + bb6: { + switchInt((_2.1: bool)) -> [0: bb1, otherwise: bb7]; + } + + bb7: { + falseEdge -> [real: bb10, imaginary: bb8]; + } + + bb8: { + switchInt((_2.1: bool)) -> [0: bb9, otherwise: bb1]; + } + + bb9: { + falseEdge -> [real: bb11, imaginary: bb1]; + } + + bb10: { + _1 = const 1_i32; + goto -> bb14; + } + + bb11: { + _1 = const 2_i32; + goto -> bb14; + } + + bb12: { + _1 = const 3_i32; + goto -> bb14; + } + + bb13: { + _1 = const 4_i32; + goto -> bb14; + } + + bb14: { + StorageDead(_2); + StorageDead(_1); + _0 = const (); + return; + } +} diff --git a/tests/ui/or-patterns/bindings-runpass-2.rs b/tests/ui/or-patterns/bindings-runpass-2.rs index 657d7f1ed189..a9ae99810840 100644 --- a/tests/ui/or-patterns/bindings-runpass-2.rs +++ b/tests/ui/or-patterns/bindings-runpass-2.rs @@ -26,5 +26,6 @@ fn main() { assert_eq!(or_at(Err(7)), 207); assert_eq!(or_at(Err(8)), 8); assert_eq!(or_at(Err(20)), 220); + assert_eq!(or_at(Err(34)), 134); assert_eq!(or_at(Err(50)), 500); } diff --git a/tests/ui/or-patterns/inner-or-pat.or3.stderr b/tests/ui/or-patterns/inner-or-pat.or3.stderr index 10ec7c202e4d..5c522a97ccef 100644 --- a/tests/ui/or-patterns/inner-or-pat.or3.stderr +++ b/tests/ui/or-patterns/inner-or-pat.or3.stderr @@ -1,5 +1,5 @@ error[E0308]: mismatched types - --> $DIR/inner-or-pat.rs:38:54 + --> $DIR/inner-or-pat.rs:36:54 | LL | match x { | - this expression has type `&str` diff --git a/tests/ui/or-patterns/inner-or-pat.or4.stderr b/tests/ui/or-patterns/inner-or-pat.or4.stderr index 97800161d82f..508520c82379 100644 --- a/tests/ui/or-patterns/inner-or-pat.or4.stderr +++ b/tests/ui/or-patterns/inner-or-pat.or4.stderr @@ -1,5 +1,5 @@ error[E0408]: variable `x` is not bound in all patterns - --> $DIR/inner-or-pat.rs:53:37 + --> $DIR/inner-or-pat.rs:51:37 | LL | (x @ "red" | (x @ "blue" | "red")) => { | - ^^^^^ pattern doesn't bind `x` diff --git a/tests/ui/or-patterns/inner-or-pat.rs b/tests/ui/or-patterns/inner-or-pat.rs index ceb0a8b3f796..4d136de00535 100644 --- a/tests/ui/or-patterns/inner-or-pat.rs +++ b/tests/ui/or-patterns/inner-or-pat.rs @@ -1,7 +1,5 @@ -//@ revisions: or1 or2 or3 or4 or5 +//@ revisions: or1 or3 or4 //@ [or1] run-pass -//@ [or2] run-pass -//@ [or5] run-pass #![allow(unreachable_patterns)] #![allow(unused_variables)] diff --git a/tests/ui/or-patterns/issue-70413-no-unreachable-pat-and-guard.rs b/tests/ui/or-patterns/issue-70413-no-unreachable-pat-and-guard.rs index 7d62364a6aee..76dc298a5c85 100644 --- a/tests/ui/or-patterns/issue-70413-no-unreachable-pat-and-guard.rs +++ b/tests/ui/or-patterns/issue-70413-no-unreachable-pat-and-guard.rs @@ -1,21 +1,20 @@ -//@ check-pass +//@ run-pass #![deny(unreachable_patterns)] fn main() { - match (3,42) { - (a,_) | (_,a) if a > 10 => {println!("{}", a)} - _ => () + match (3, 42) { + (a, _) | (_, a) if a > 10 => {} + _ => unreachable!(), } - match Some((3,42)) { - Some((a, _)) | Some((_, a)) if a > 10 => {println!("{}", a)} - _ => () - + match Some((3, 42)) { + Some((a, _)) | Some((_, a)) if a > 10 => {} + _ => unreachable!(), } - match Some((3,42)) { - Some((a, _) | (_, a)) if a > 10 => {println!("{}", a)} - _ => () + match Some((3, 42)) { + Some((a, _) | (_, a)) if a > 10 => {} + _ => unreachable!(), } } diff --git a/tests/ui/or-patterns/search-via-bindings.rs b/tests/ui/or-patterns/search-via-bindings.rs index a760112f1d42..42174bd7cef7 100644 --- a/tests/ui/or-patterns/search-via-bindings.rs +++ b/tests/ui/or-patterns/search-via-bindings.rs @@ -42,6 +42,23 @@ fn search_old_style(target: (bool, bool, bool)) -> u32 { } } +// Check that a dummy or-pattern also leads to running the guard multiple times. +fn search_with_dummy(target: (bool, bool)) -> u32 { + let x = ((false, true), (false, true), ()); + let mut guard_count = 0; + match x { + ((a, _) | (_, a), (b, _) | (_, b), _ | _) + if { + guard_count += 1; + (a, b) == target + } => + { + guard_count + } + _ => unreachable!(), + } +} + fn main() { assert_eq!(search((false, false, false)), 1); assert_eq!(search((false, false, true)), 2); @@ -60,4 +77,9 @@ fn main() { assert_eq!(search_old_style((true, false, true)), 6); assert_eq!(search_old_style((true, true, false)), 7); assert_eq!(search_old_style((true, true, true)), 8); + + assert_eq!(search_with_dummy((false, false)), 1); + assert_eq!(search_with_dummy((false, true)), 3); + assert_eq!(search_with_dummy((true, false)), 5); + assert_eq!(search_with_dummy((true, true)), 7); } diff --git a/tests/ui/or-patterns/simplification_subtleties.rs b/tests/ui/or-patterns/simplification_subtleties.rs new file mode 100644 index 000000000000..a932bd531e6d --- /dev/null +++ b/tests/ui/or-patterns/simplification_subtleties.rs @@ -0,0 +1,11 @@ +//@ run-pass + +#[allow(unreachable_patterns)] +fn main() { + // Test that we don't naively sort the two `2`s together and confuse the failure paths. + match (1, true) { + (1 | 2, false | false) => unreachable!(), + (2, _) => unreachable!(), + _ => {} + } +} From e74b30e3a9f75f8854fb04a6f9b528077c5e9ec5 Mon Sep 17 00:00:00 2001 From: Nadrieril Date: Wed, 20 Mar 2024 15:53:25 +0100 Subject: [PATCH 1613/1716] Tweak simple or-pattern expansion --- .../rustc_mir_build/src/build/matches/mod.rs | 37 +++++++++++-------- 1 file changed, 21 insertions(+), 16 deletions(-) diff --git a/compiler/rustc_mir_build/src/build/matches/mod.rs b/compiler/rustc_mir_build/src/build/matches/mod.rs index 544f27b84e90..13e208524f15 100644 --- a/compiler/rustc_mir_build/src/build/matches/mod.rs +++ b/compiler/rustc_mir_build/src/build/matches/mod.rs @@ -1364,9 +1364,12 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { otherwise_block: BasicBlock, candidates: &mut [&mut Candidate<'pat, 'tcx>], ) { - let mut split_or_candidate = false; - for candidate in &mut *candidates { - if let [MatchPair { test_case: TestCase::Or { .. }, .. }] = &*candidate.match_pairs { + let expand_or_pats = candidates.iter().any(|candidate| { + matches!(&*candidate.match_pairs, [MatchPair { test_case: TestCase::Or { .. }, .. }]) + }); + + ensure_sufficient_stack(|| { + if expand_or_pats { // Split a candidate in which the only match-pair is an or-pattern into multiple // candidates. This is so that // @@ -1376,30 +1379,32 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { // } // // only generates a single switch. - let match_pair = candidate.match_pairs.pop().unwrap(); - self.create_or_subcandidates(candidate, match_pair); - split_or_candidate = true; - } - } - - ensure_sufficient_stack(|| { - if split_or_candidate { - // At least one of the candidates has been split into subcandidates. - // We need to change the candidate list to include those. let mut new_candidates = Vec::new(); for candidate in candidates.iter_mut() { - candidate.visit_leaves(|leaf_candidate| new_candidates.push(leaf_candidate)); + if let [MatchPair { test_case: TestCase::Or { .. }, .. }] = + &*candidate.match_pairs + { + let match_pair = candidate.match_pairs.pop().unwrap(); + self.create_or_subcandidates(candidate, match_pair); + for subcandidate in candidate.subcandidates.iter_mut() { + new_candidates.push(subcandidate); + } + } else { + new_candidates.push(candidate); + } } self.match_candidates( span, scrutinee_span, start_block, otherwise_block, - &mut *new_candidates, + new_candidates.as_mut_slice(), ); for candidate in candidates { - self.merge_trivial_subcandidates(candidate); + if !candidate.subcandidates.is_empty() { + self.merge_trivial_subcandidates(candidate); + } } } else { self.match_simplified_candidates( From 5fe2ca65cf5b2696d4d48c261cb7f6cecb2f7099 Mon Sep 17 00:00:00 2001 From: Nadrieril Date: Sun, 3 Mar 2024 01:42:18 +0100 Subject: [PATCH 1614/1716] Always set `otherwise_block`s --- .../rustc_mir_build/src/build/matches/mod.rs | 33 +++++++++++-------- 1 file changed, 20 insertions(+), 13 deletions(-) diff --git a/compiler/rustc_mir_build/src/build/matches/mod.rs b/compiler/rustc_mir_build/src/build/matches/mod.rs index 13e208524f15..a67c59138cd2 100644 --- a/compiler/rustc_mir_build/src/build/matches/mod.rs +++ b/compiler/rustc_mir_build/src/build/matches/mod.rs @@ -1074,12 +1074,9 @@ struct Candidate<'pat, 'tcx> { // because that would break binding consistency. subcandidates: Vec>, - /// ...and the guard must be evaluated if there is one. + /// ...and if there is a guard it must be evaluated; if it's `false` then branch to `otherwise_block`. has_guard: bool, - /// If the guard is `false` then branch to `otherwise_block`. - otherwise_block: Option, - /// If the candidate matches, bindings and ascriptions must be established. extra_data: PatternExtraData<'tcx>, @@ -1090,6 +1087,9 @@ struct Candidate<'pat, 'tcx> { /// The block before the `bindings` have been established. pre_binding_block: Option, + /// The block to branch to if the guard or a nested candidate fails to match. + otherwise_block: Option, + /// The earliest block that has only candidates >= this one as descendents. Used for false /// edges, see the doc for [`Builder::match_expr`]. false_edge_start_block: Option, @@ -1500,11 +1500,9 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { candidate.pre_binding_block = Some(start_block); let otherwise_block = self.cfg.start_new_block(); - if candidate.has_guard { - // Create the otherwise block for this candidate, which is the - // pre-binding block for the next candidate. - candidate.otherwise_block = Some(otherwise_block); - } + // Create the otherwise block for this candidate, which is the + // pre-binding block for the next candidate. + candidate.otherwise_block = Some(otherwise_block); otherwise_block } @@ -1591,10 +1589,15 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { assert!(leaf_candidate.match_pairs.is_empty()); leaf_candidate.match_pairs.extend(remaining_match_pairs.iter().cloned()); let or_start = leaf_candidate.pre_binding_block.unwrap(); - // In a case like `(a | b, c | d)`, if `a` succeeds and `c | d` fails, we know `(b, - // c | d)` will fail too. If there is no guard, we skip testing of `b` by branching - // directly to `remainder_start`. If there is a guard, we have to try `(b, c | d)`. - let or_otherwise = leaf_candidate.otherwise_block.unwrap_or(remainder_start); + // In a case like `(P | Q, R | S)`, if `P` succeeds and `R | S` fails, we know `(Q, + // R | S)` will fail too. If there is no guard, we skip testing of `Q` by branching + // directly to `remainder_start`. If there is a guard, `or_otherwise` can be reached + // by guard failure as well, so we can't skip `Q`. + let or_otherwise = if leaf_candidate.has_guard { + leaf_candidate.otherwise_block.unwrap() + } else { + remainder_start + }; self.test_candidates_with_or( span, scrutinee_span, @@ -1669,6 +1672,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { subcandidate.subcandidates.is_empty() && subcandidate.extra_data.is_empty() }); if can_merge { + let mut last_otherwise = None; let any_matches = self.cfg.start_new_block(); let or_span = candidate.or_span.take().unwrap(); let source_info = self.source_info(or_span); @@ -1679,8 +1683,11 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { for subcandidate in mem::take(&mut candidate.subcandidates) { let or_block = subcandidate.pre_binding_block.unwrap(); self.cfg.goto(or_block, source_info, any_matches); + last_otherwise = subcandidate.otherwise_block; } candidate.pre_binding_block = Some(any_matches); + assert!(last_otherwise.is_some()); + candidate.otherwise_block = last_otherwise; } else { // Never subcandidates may have a set of bindings inconsistent with their siblings, // which would break later code. So we filter them out. Note that we can't filter out From 764f086f2cd7cc4e2ca9c5fd9f53ba4c0b3a1740 Mon Sep 17 00:00:00 2001 From: Nadrieril Date: Mon, 4 Mar 2024 01:41:37 +0100 Subject: [PATCH 1615/1716] Use `otherwise_block` for or-pattern shortcutting --- compiler/rustc_mir_build/src/build/matches/mod.rs | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/compiler/rustc_mir_build/src/build/matches/mod.rs b/compiler/rustc_mir_build/src/build/matches/mod.rs index a67c59138cd2..a5f24ba3e5b2 100644 --- a/compiler/rustc_mir_build/src/build/matches/mod.rs +++ b/compiler/rustc_mir_build/src/build/matches/mod.rs @@ -1585,18 +1585,23 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { // We could add them to the or-candidates before the call to `test_or_pattern` but this // would make it impossible to detect simplifiable or-patterns. That would guarantee // exponentially large CFGs for cases like `(1 | 2, 3 | 4, ...)`. + let mut last_otherwise = None; + first_candidate.visit_leaves(|leaf_candidate| { + last_otherwise = leaf_candidate.otherwise_block; + }); first_candidate.visit_leaves(|leaf_candidate| { assert!(leaf_candidate.match_pairs.is_empty()); leaf_candidate.match_pairs.extend(remaining_match_pairs.iter().cloned()); let or_start = leaf_candidate.pre_binding_block.unwrap(); // In a case like `(P | Q, R | S)`, if `P` succeeds and `R | S` fails, we know `(Q, // R | S)` will fail too. If there is no guard, we skip testing of `Q` by branching - // directly to `remainder_start`. If there is a guard, `or_otherwise` can be reached - // by guard failure as well, so we can't skip `Q`. + // directly to `last_otherwise`. If there is a guard, + // `leaf_candidate.otherwise_block` can be reached by guard failure as well, so we + // can't skip `Q`. let or_otherwise = if leaf_candidate.has_guard { leaf_candidate.otherwise_block.unwrap() } else { - remainder_start + last_otherwise.unwrap() }; self.test_candidates_with_or( span, From ce374fcbc16f6bd9fcbb03ce1894ae13e5e3d67b Mon Sep 17 00:00:00 2001 From: Nadrieril Date: Wed, 20 Mar 2024 01:56:24 +0100 Subject: [PATCH 1616/1716] Factor out `finalize_or_candidate` --- .../rustc_mir_build/src/build/matches/mod.rs | 60 +++++++++++++------ 1 file changed, 42 insertions(+), 18 deletions(-) diff --git a/compiler/rustc_mir_build/src/build/matches/mod.rs b/compiler/rustc_mir_build/src/build/matches/mod.rs index a5f24ba3e5b2..70ba83c55d7c 100644 --- a/compiler/rustc_mir_build/src/build/matches/mod.rs +++ b/compiler/rustc_mir_build/src/build/matches/mod.rs @@ -1575,21 +1575,52 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { } let first_match_pair = first_candidate.match_pairs.remove(0); - let remaining_match_pairs = mem::take(&mut first_candidate.match_pairs); let remainder_start = self.cfg.start_new_block(); // Test the alternatives of this or-pattern. - self.test_or_pattern(first_candidate, start_block, remainder_start, first_match_pair); + self.test_or_pattern( + span, + scrutinee_span, + first_candidate, + start_block, + remainder_start, + first_match_pair, + ); - if !remaining_match_pairs.is_empty() { + // Test the remaining candidates. + self.match_candidates( + span, + scrutinee_span, + remainder_start, + otherwise_block, + remaining_candidates, + ); + } + + /// Simplify subcandidates and process any leftover match pairs. The candidate should have been + /// expanded with `create_or_subcandidates`. + fn finalize_or_candidate( + &mut self, + span: Span, + scrutinee_span: Span, + candidate: &mut Candidate<'_, 'tcx>, + ) { + if candidate.subcandidates.is_empty() { + return; + } + + self.merge_trivial_subcandidates(candidate); + + if !candidate.match_pairs.is_empty() { // If more match pairs remain, test them after each subcandidate. // We could add them to the or-candidates before the call to `test_or_pattern` but this // would make it impossible to detect simplifiable or-patterns. That would guarantee // exponentially large CFGs for cases like `(1 | 2, 3 | 4, ...)`. let mut last_otherwise = None; - first_candidate.visit_leaves(|leaf_candidate| { + candidate.visit_leaves(|leaf_candidate| { last_otherwise = leaf_candidate.otherwise_block; }); - first_candidate.visit_leaves(|leaf_candidate| { + let remaining_match_pairs = mem::take(&mut candidate.match_pairs); + candidate.visit_leaves(|leaf_candidate| { assert!(leaf_candidate.match_pairs.is_empty()); leaf_candidate.match_pairs.extend(remaining_match_pairs.iter().cloned()); let or_start = leaf_candidate.pre_binding_block.unwrap(); @@ -1612,20 +1643,13 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { ); }); } - - // Test the remaining candidates. - self.match_candidates( - span, - scrutinee_span, - remainder_start, - otherwise_block, - remaining_candidates, - ); } #[instrument(skip(self, start_block, otherwise_block, candidate, match_pair), level = "debug")] fn test_or_pattern<'pat>( &mut self, + span: Span, + scrutinee_span: Span, candidate: &mut Candidate<'pat, 'tcx>, start_block: BasicBlock, otherwise_block: BasicBlock, @@ -1641,12 +1665,12 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { otherwise_block, &mut or_candidate_refs, ); - self.merge_trivial_subcandidates(candidate); + self.finalize_or_candidate(span, scrutinee_span, candidate); } /// Given a match-pair that corresponds to an or-pattern, expand each subpattern into a new /// subcandidate. Any candidate that has been expanded that way should be passed to - /// `merge_trivial_subcandidates` after its subcandidates have been processed. + /// `finalize_or_candidate` after its subcandidates have been processed. fn create_or_subcandidates<'pat>( &mut self, candidate: &mut Candidate<'pat, 'tcx>, @@ -1664,8 +1688,8 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { } /// Try to merge all of the subcandidates of the given candidate into one. This avoids - /// exponentially large CFGs in cases like `(1 | 2, 3 | 4, ...)`. The or-pattern should have - /// been expanded with `create_or_subcandidates`. + /// exponentially large CFGs in cases like `(1 | 2, 3 | 4, ...)`. The candidate should have been + /// expanded with `create_or_subcandidates`. fn merge_trivial_subcandidates(&mut self, candidate: &mut Candidate<'_, 'tcx>) { if candidate.subcandidates.is_empty() || candidate.has_guard { // FIXME(or_patterns; matthewjasper) Don't give up if we have a guard. From 7b764be9f1dd4cde35c393ceaad891b7c22b2ebb Mon Sep 17 00:00:00 2001 From: Nadrieril Date: Wed, 20 Mar 2024 15:57:51 +0100 Subject: [PATCH 1617/1716] Expand or-candidates mixed with candidates above We can't mix them with candidates below them, but we can mix them with candidates above. --- .../rustc_mir_build/src/build/matches/mod.rs | 176 ++++++++---------- ...le_switchint.SimplifyCfg-initial.after.mir | 56 +++--- 2 files changed, 105 insertions(+), 127 deletions(-) diff --git a/compiler/rustc_mir_build/src/build/matches/mod.rs b/compiler/rustc_mir_build/src/build/matches/mod.rs index 70ba83c55d7c..68244136d1ad 100644 --- a/compiler/rustc_mir_build/src/build/matches/mod.rs +++ b/compiler/rustc_mir_build/src/build/matches/mod.rs @@ -1364,61 +1364,105 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { otherwise_block: BasicBlock, candidates: &mut [&mut Candidate<'pat, 'tcx>], ) { - let expand_or_pats = candidates.iter().any(|candidate| { - matches!(&*candidate.match_pairs, [MatchPair { test_case: TestCase::Or { .. }, .. }]) - }); + // We process or-patterns here. If any candidate starts with an or-pattern, we have to + // expand the or-pattern before we can proceed further. + // + // We can't expand them freely however. The rule is: if the candidate has an or-pattern as + // its only remaining match pair, we can expand it freely. If it has other match pairs, we + // can expand it but we can't process more candidates after it. + // + // If we didn't stop, the `otherwise` cases could get mixed up. E.g. in the following, + // or-pattern simplification (in `merge_trivial_subcandidates`) makes it so the `1` and `2` + // cases branch to a same block (which then tests `false`). If we took `(2, _)` in the same + // set of candidates, when we reach the block that tests `false` we don't know whether we + // came from `1` or `2`, hence we can't know where to branch on failure. + // ```ignore(illustrative) + // match (1, true) { + // (1 | 2, false) => {}, + // (2, _) => {}, + // _ => {} + // } + // ``` + // + // We therefore split the `candidates` slice in two, expand or-patterns in the first half, + // and process both halves separately. + let mut expand_until = 0; + for (i, candidate) in candidates.iter().enumerate() { + if matches!( + &*candidate.match_pairs, + [MatchPair { test_case: TestCase::Or { .. }, .. }, ..] + ) { + expand_until = i + 1; + if candidate.match_pairs.len() > 1 { + break; + } + } + } + let (candidates_to_expand, remaining_candidates) = candidates.split_at_mut(expand_until); ensure_sufficient_stack(|| { - if expand_or_pats { - // Split a candidate in which the only match-pair is an or-pattern into multiple - // candidates. This is so that - // - // match x { - // 0 | 1 => { ... }, - // 2 | 3 => { ... }, - // } - // - // only generates a single switch. - let mut new_candidates = Vec::new(); - for candidate in candidates.iter_mut() { - if let [MatchPair { test_case: TestCase::Or { .. }, .. }] = + if candidates_to_expand.is_empty() { + // No candidates start with an or-pattern, we can continue. + self.match_expanded_candidates( + span, + scrutinee_span, + start_block, + otherwise_block, + remaining_candidates, + ); + } else { + // Expand one level of or-patterns for each candidate in `candidates_to_expand`. + let mut expanded_candidates = Vec::new(); + for candidate in candidates_to_expand.iter_mut() { + if let [MatchPair { test_case: TestCase::Or { .. }, .. }, ..] = &*candidate.match_pairs { - let match_pair = candidate.match_pairs.pop().unwrap(); - self.create_or_subcandidates(candidate, match_pair); + let or_match_pair = candidate.match_pairs.remove(0); + // Expand the or-pattern into subcandidates. + self.create_or_subcandidates(candidate, or_match_pair); + // Collect the newly created subcandidates. for subcandidate in candidate.subcandidates.iter_mut() { - new_candidates.push(subcandidate); + expanded_candidates.push(subcandidate); } } else { - new_candidates.push(candidate); + expanded_candidates.push(candidate); } } + + // Process the expanded candidates. + let remainder_start = self.cfg.start_new_block(); + // There might be new or-patterns obtained from expanding the old ones, so we call + // `match_candidates` again. self.match_candidates( span, scrutinee_span, start_block, - otherwise_block, - new_candidates.as_mut_slice(), + remainder_start, + expanded_candidates.as_mut_slice(), ); - for candidate in candidates { + // Simplify subcandidates and process any leftover match pairs. + for candidate in candidates_to_expand { if !candidate.subcandidates.is_empty() { - self.merge_trivial_subcandidates(candidate); + self.finalize_or_candidate(span, scrutinee_span, candidate); } } - } else { - self.match_simplified_candidates( + + // Process the remaining candidates. + self.match_candidates( span, scrutinee_span, - start_block, + remainder_start, otherwise_block, - candidates, + remaining_candidates, ); } }); } - fn match_simplified_candidates( + /// Construct the decision tree for `candidates`. Caller must ensure that no candidate in + /// `candidates` starts with an or-pattern. + fn match_expanded_candidates( &mut self, span: Span, scrutinee_span: Span, @@ -1443,7 +1487,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { // The first candidate has satisfied all its match pairs; we link it up and continue // with the remaining candidates. start_block = self.select_matched_candidate(first, start_block); - self.match_simplified_candidates( + self.match_expanded_candidates( span, scrutinee_span, start_block, @@ -1453,7 +1497,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { } candidates => { // The first candidate has some unsatisfied match pairs; we proceed to do more tests. - self.test_candidates_with_or( + self.test_candidates( span, scrutinee_span, candidates, @@ -1506,8 +1550,8 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { otherwise_block } - /// Tests a candidate where there are only or-patterns left to test, or - /// forwards to [Builder::test_candidates]. + /// Simplify subcandidates and process any leftover match pairs. The candidate should have been + /// expanded with `create_or_subcandidates`. /// /// Given a pattern `(P | Q, R | S)` we (in principle) generate a CFG like /// so: @@ -1559,45 +1603,6 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { /// | /// ... /// ``` - fn test_candidates_with_or( - &mut self, - span: Span, - scrutinee_span: Span, - candidates: &mut [&mut Candidate<'_, 'tcx>], - start_block: BasicBlock, - otherwise_block: BasicBlock, - ) { - let (first_candidate, remaining_candidates) = candidates.split_first_mut().unwrap(); - assert!(first_candidate.subcandidates.is_empty()); - if !matches!(first_candidate.match_pairs[0].test_case, TestCase::Or { .. }) { - self.test_candidates(span, scrutinee_span, candidates, start_block, otherwise_block); - return; - } - - let first_match_pair = first_candidate.match_pairs.remove(0); - let remainder_start = self.cfg.start_new_block(); - // Test the alternatives of this or-pattern. - self.test_or_pattern( - span, - scrutinee_span, - first_candidate, - start_block, - remainder_start, - first_match_pair, - ); - - // Test the remaining candidates. - self.match_candidates( - span, - scrutinee_span, - remainder_start, - otherwise_block, - remaining_candidates, - ); - } - - /// Simplify subcandidates and process any leftover match pairs. The candidate should have been - /// expanded with `create_or_subcandidates`. fn finalize_or_candidate( &mut self, span: Span, @@ -1634,40 +1639,17 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { } else { last_otherwise.unwrap() }; - self.test_candidates_with_or( + self.match_candidates( span, scrutinee_span, - &mut [leaf_candidate], or_start, or_otherwise, + &mut [leaf_candidate], ); }); } } - #[instrument(skip(self, start_block, otherwise_block, candidate, match_pair), level = "debug")] - fn test_or_pattern<'pat>( - &mut self, - span: Span, - scrutinee_span: Span, - candidate: &mut Candidate<'pat, 'tcx>, - start_block: BasicBlock, - otherwise_block: BasicBlock, - match_pair: MatchPair<'pat, 'tcx>, - ) { - let or_span = match_pair.pattern.span; - self.create_or_subcandidates(candidate, match_pair); - let mut or_candidate_refs: Vec<_> = candidate.subcandidates.iter_mut().collect(); - self.match_candidates( - or_span, - or_span, - start_block, - otherwise_block, - &mut or_candidate_refs, - ); - self.finalize_or_candidate(span, scrutinee_span, candidate); - } - /// Given a match-pair that corresponds to an or-pattern, expand each subpattern into a new /// subcandidate. Any candidate that has been expanded that way should be passed to /// `finalize_or_candidate` after its subcandidates have been processed. diff --git a/tests/mir-opt/or_pattern.single_switchint.SimplifyCfg-initial.after.mir b/tests/mir-opt/or_pattern.single_switchint.SimplifyCfg-initial.after.mir index 72b1a835cf08..eafe95b4a11e 100644 --- a/tests/mir-opt/or_pattern.single_switchint.SimplifyCfg-initial.after.mir +++ b/tests/mir-opt/or_pattern.single_switchint.SimplifyCfg-initial.after.mir @@ -10,67 +10,63 @@ fn single_switchint() -> () { StorageLive(_2); _2 = (const 1_i32, const true); PlaceMention(_2); - switchInt((_2.0: i32)) -> [1: bb6, 2: bb8, otherwise: bb1]; + switchInt((_2.0: i32)) -> [1: bb2, 2: bb4, otherwise: bb1]; } bb1: { - switchInt((_2.0: i32)) -> [1: bb3, 2: bb3, otherwise: bb2]; + switchInt((_2.0: i32)) -> [3: bb8, 4: bb8, otherwise: bb7]; } bb2: { - switchInt((_2.0: i32)) -> [3: bb5, 4: bb5, otherwise: bb4]; + switchInt((_2.1: bool)) -> [0: bb6, otherwise: bb3]; } bb3: { - falseEdge -> [real: bb12, imaginary: bb2]; + falseEdge -> [real: bb9, imaginary: bb4]; } bb4: { - _1 = const 5_i32; - goto -> bb14; + switchInt((_2.1: bool)) -> [0: bb5, otherwise: bb6]; } bb5: { - falseEdge -> [real: bb13, imaginary: bb4]; + falseEdge -> [real: bb10, imaginary: bb6]; } bb6: { - switchInt((_2.1: bool)) -> [0: bb1, otherwise: bb7]; - } - - bb7: { - falseEdge -> [real: bb10, imaginary: bb8]; - } - - bb8: { - switchInt((_2.1: bool)) -> [0: bb9, otherwise: bb1]; - } - - bb9: { falseEdge -> [real: bb11, imaginary: bb1]; } - bb10: { + bb7: { + _1 = const 5_i32; + goto -> bb13; + } + + bb8: { + falseEdge -> [real: bb12, imaginary: bb7]; + } + + bb9: { _1 = const 1_i32; - goto -> bb14; + goto -> bb13; + } + + bb10: { + _1 = const 2_i32; + goto -> bb13; } bb11: { - _1 = const 2_i32; - goto -> bb14; + _1 = const 3_i32; + goto -> bb13; } bb12: { - _1 = const 3_i32; - goto -> bb14; + _1 = const 4_i32; + goto -> bb13; } bb13: { - _1 = const 4_i32; - goto -> bb14; - } - - bb14: { StorageDead(_2); StorageDead(_1); _0 = const (); From ff096f83f7b2f1f5feeeea9f29d23c9dde5393c9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Matthias=20Kr=C3=BCger?= Date: Sun, 16 Jun 2024 20:38:08 +0200 Subject: [PATCH 1618/1716] more ice tests --- tests/crashes/126062.rs | 11 +++++++++++ tests/crashes/126148.rs | 23 +++++++++++++++++++++++ tests/crashes/126182.rs | 10 ++++++++++ tests/crashes/126267.rs | 30 ++++++++++++++++++++++++++++++ tests/crashes/126269.rs | 12 ++++++++++++ tests/crashes/126272.rs | 28 ++++++++++++++++++++++++++++ tests/crashes/126359.rs | 9 +++++++++ tests/crashes/126376.rs | 14 ++++++++++++++ tests/crashes/126377.rs | 29 +++++++++++++++++++++++++++++ tests/crashes/126385.rs | 10 ++++++++++ tests/crashes/126389.rs | 15 +++++++++++++++ tests/crashes/126416.rs | 20 ++++++++++++++++++++ tests/crashes/126521.rs | 11 +++++++++++ 13 files changed, 222 insertions(+) create mode 100644 tests/crashes/126062.rs create mode 100644 tests/crashes/126148.rs create mode 100644 tests/crashes/126182.rs create mode 100644 tests/crashes/126267.rs create mode 100644 tests/crashes/126269.rs create mode 100644 tests/crashes/126272.rs create mode 100644 tests/crashes/126359.rs create mode 100644 tests/crashes/126376.rs create mode 100644 tests/crashes/126377.rs create mode 100644 tests/crashes/126385.rs create mode 100644 tests/crashes/126389.rs create mode 100644 tests/crashes/126416.rs create mode 100644 tests/crashes/126521.rs diff --git a/tests/crashes/126062.rs b/tests/crashes/126062.rs new file mode 100644 index 000000000000..9f1bec1d46e4 --- /dev/null +++ b/tests/crashes/126062.rs @@ -0,0 +1,11 @@ +//@ known-bug: rust-lang/rust#126062 +struct Fail(Fail); +impl Fail { + const C: () = panic!(); +} + +fn f() { + if false { + let _val = &Fail::::C; + } +} diff --git a/tests/crashes/126148.rs b/tests/crashes/126148.rs new file mode 100644 index 000000000000..79f8887b4015 --- /dev/null +++ b/tests/crashes/126148.rs @@ -0,0 +1,23 @@ +//@ known-bug: rust-lang/rust#126148 + +#![feature(effects)] +use std::ops::{FromResidual, Try}; + +struct TryMe; +struct Error; + +impl const FromResidual for TryMe {} + +impl const Try for TryMe { + type Output = (); + type Residual = Error; +} + +const fn t() -> TryMe { + TryMe?; + TryMe +} + +const _: () = { + t(); +}; diff --git a/tests/crashes/126182.rs b/tests/crashes/126182.rs new file mode 100644 index 000000000000..2219a6cb5fa1 --- /dev/null +++ b/tests/crashes/126182.rs @@ -0,0 +1,10 @@ +//@ known-bug: rust-lang/rust#126182 + +#![feature(generic_const_exprs)] +#![allow(incomplete_features)] + +struct Cond; + +struct Thing>(T); + +impl Thing {} diff --git a/tests/crashes/126267.rs b/tests/crashes/126267.rs new file mode 100644 index 000000000000..c0604b90a670 --- /dev/null +++ b/tests/crashes/126267.rs @@ -0,0 +1,30 @@ +//@ known-bug: rust-lang/rust#126267 + +#![feature(transmutability)] +#![crate_type = "lib"] + +pub enum ApiError {} +pub struct TokioError { + b: bool, +} +pub enum Error { + Api { source: ApiError }, + Ethereum, + Tokio { source: TokioError }, +} + +mod assert { + use std::mem::BikeshedIntrinsicFrom; + + pub fn is_transmutable() + where + Dst: BikeshedIntrinsicFrom, // safety is NOT assumed + { + } +} + +fn test() { + struct Src; + type Dst = Error; + assert::is_transmutable::(); +} diff --git a/tests/crashes/126269.rs b/tests/crashes/126269.rs new file mode 100644 index 000000000000..ca4b76eb930d --- /dev/null +++ b/tests/crashes/126269.rs @@ -0,0 +1,12 @@ +//@ known-bug: rust-lang/rust#126269 +#![feature(coerce_unsized)] + +pub enum Foo { + Bar([T; usize::MAX]), +} + +use std::ops::CoerceUnsized; + +impl CoerceUnsized for T {} + +fn main() {} diff --git a/tests/crashes/126272.rs b/tests/crashes/126272.rs new file mode 100644 index 000000000000..3412c7d8f0f4 --- /dev/null +++ b/tests/crashes/126272.rs @@ -0,0 +1,28 @@ +//@ known-bug: rust-lang/rust#126272 + +#![feature(adt_const_params)] +#![allow(incomplete_features)] + +use std::marker::ConstParamTy; + +#[derive(Debug, PartialEq, Eq, ConstParamTy)] +struct Foo { + value: i32, + nested: &'static Bar, +} + +#[derive(Debug, PartialEq, Eq, ConstParamTy)] +struct Bar(T); + +struct Test; + +fn main() { + let x: Test< + { + Foo { + value: 3, + nested: &Bar(4), + } + }, + > = Test; +} diff --git a/tests/crashes/126359.rs b/tests/crashes/126359.rs new file mode 100644 index 000000000000..4b28c466b55c --- /dev/null +++ b/tests/crashes/126359.rs @@ -0,0 +1,9 @@ +//@ known-bug: rust-lang/rust#126359 + +struct OppOrder { + arr: [T; N], +} + +fn main() { + let _ = OppOrder::<3, u32> { arr: [0, 0, 0] }; +} diff --git a/tests/crashes/126376.rs b/tests/crashes/126376.rs new file mode 100644 index 000000000000..028dde6d438e --- /dev/null +++ b/tests/crashes/126376.rs @@ -0,0 +1,14 @@ +//@ known-bug: rust-lang/rust#126376 +mod a { + pub mod b { + pub mod c { + pub trait D {} + } + } +} + +use a::*; +use e as b; +use b::c::D as e; + +fn e() {} diff --git a/tests/crashes/126377.rs b/tests/crashes/126377.rs new file mode 100644 index 000000000000..f8b9b693b655 --- /dev/null +++ b/tests/crashes/126377.rs @@ -0,0 +1,29 @@ +//@ known-bug: rust-lang/rust#126377 + +#![feature(effects)] +#![feature(generic_const_exprs)] + +mod assert { + use std::mem::{Assume, BikeshedIntrinsicFrom}; + + pub fn is_transmutable< + Src, + Dst, + const ASSUME_ALIGNMENT: bool, + const ASSUME_LIFETIMES: bool, + const ASSUME_SAFETY: bool, + const ASSUME_VALIDITY: bool, + >() + where + Dst: BikeshedIntrinsicFrom< + Src, + { } + >, + {} +} + +const fn from_options() -> Assume { + #[repr(C)] struct Src; + #[repr(C)] struct Dst; + assert::is_transmutable::(); +} diff --git a/tests/crashes/126385.rs b/tests/crashes/126385.rs new file mode 100644 index 000000000000..9e74e88c1ffe --- /dev/null +++ b/tests/crashes/126385.rs @@ -0,0 +1,10 @@ +//@ known-bug: rust-lang/rust#126385 +pub struct MyStruct<'field> { + field: &'_ [u32], +} + +impl MyStruct<'_> { + pub fn _<'a>(field: &'a[u32]) -> Self { + Self{field} + } +} diff --git a/tests/crashes/126389.rs b/tests/crashes/126389.rs new file mode 100644 index 000000000000..7aa6ecad9a31 --- /dev/null +++ b/tests/crashes/126389.rs @@ -0,0 +1,15 @@ +//@ known-bug: rust-lang/rust#126389 + +mod a { + pub mod b { + pub mod c {} + } +} + +use a::*; + +use b::c; + +use c as b; + +fn c() {} diff --git a/tests/crashes/126416.rs b/tests/crashes/126416.rs new file mode 100644 index 000000000000..9b6c5169d444 --- /dev/null +++ b/tests/crashes/126416.rs @@ -0,0 +1,20 @@ +//@ known-bug: rust-lang/rust#126416 + +trait Output<'a, T: 'a> { + type Type; +} + +struct Wrapper; + +impl Wrapper { + fn do_something_wrapper(&mut self, _: F) + where + F: for<'a> FnOnce(>::Type), + { + } +} + +fn main() { + let mut wrapper = Wrapper; + wrapper.do_something_wrapper(|value| ()); +} diff --git a/tests/crashes/126521.rs b/tests/crashes/126521.rs new file mode 100644 index 000000000000..0a025aabcf2e --- /dev/null +++ b/tests/crashes/126521.rs @@ -0,0 +1,11 @@ +//@ known-bug: rust-lang/rust#126521 +macro_rules! foo { + ($val:ident) => { + true; + }; +} + +fn main() { + #[expect(semicolon_in_expressions_from_macros)] + let _ = foo!(x); +} From dfe69f7259914326fbccbf278d2ad93be4baba70 Mon Sep 17 00:00:00 2001 From: Kalle Wachsmuth Date: Sun, 16 Jun 2024 20:57:48 +0200 Subject: [PATCH 1619/1716] boxed_slice_into_iter: tiny doc correction --- compiler/rustc_lint/src/shadowed_into_iter.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/compiler/rustc_lint/src/shadowed_into_iter.rs b/compiler/rustc_lint/src/shadowed_into_iter.rs index 85006421fdd2..da2b5878b19c 100644 --- a/compiler/rustc_lint/src/shadowed_into_iter.rs +++ b/compiler/rustc_lint/src/shadowed_into_iter.rs @@ -52,7 +52,7 @@ declare_lint! { /// Since Rust 1.80.0, boxed slices implement `IntoIterator`. However, to avoid /// breakage, `boxed_slice.into_iter()` in Rust 2015, 2018, and 2021 code will still /// behave as `(&boxed_slice).into_iter()`, returning an iterator over - /// references, just like in Rust 1.80.0 and earlier. + /// references, just like in Rust 1.79.0 and earlier. /// This only applies to the method call syntax `boxed_slice.into_iter()`, not to /// any other syntax such as `for _ in boxed_slice` or `IntoIterator::into_iter(boxed_slice)`. pub BOXED_SLICE_INTO_ITER, From 5b49b68f3074c2ea8d3ca87ce779657c7db11f73 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Mon, 17 Jun 2024 00:23:28 +0200 Subject: [PATCH 1620/1716] Migrate `run-make/used` to `rmake.rs` --- src/tools/tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/used/Makefile | 7 ------- tests/run-make/used/rmake.rs | 15 +++++++++++++++ 3 files changed, 15 insertions(+), 8 deletions(-) delete mode 100644 tests/run-make/used/Makefile create mode 100644 tests/run-make/used/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index be9df226d64e..8bd9df2aeed5 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -240,7 +240,6 @@ run-make/unknown-mod-stdin/Makefile run-make/unstable-flag-required/Makefile run-make/use-suggestions-rust-2018/Makefile run-make/used-cdylib-macos/Makefile -run-make/used/Makefile run-make/volatile-intrinsics/Makefile run-make/wasm-exceptions-nostd/Makefile run-make/wasm-override-linker/Makefile diff --git a/tests/run-make/used/Makefile b/tests/run-make/used/Makefile deleted file mode 100644 index e80eb9e40208..000000000000 --- a/tests/run-make/used/Makefile +++ /dev/null @@ -1,7 +0,0 @@ -include ../tools.mk - -# ignore-windows-msvc - -all: - $(RUSTC) -C opt-level=3 --emit=obj used.rs - nm $(TMPDIR)/used.o | $(CGREP) FOO diff --git a/tests/run-make/used/rmake.rs b/tests/run-make/used/rmake.rs new file mode 100644 index 000000000000..56ef5c6b9cc0 --- /dev/null +++ b/tests/run-make/used/rmake.rs @@ -0,0 +1,15 @@ +// This test ensures that the compiler is keeping static variables, even if not referenced +// by another part of the program, in the output object file. +// +// It comes from #39987 which implements this RFC for the #[used] attribute: +// https://rust-lang.github.io/rfcs/2386-used.html + +//@ ignore-msvc + +use run_make_support::{cmd, rustc}; + +fn main() { + rustc().opt_level("3").emit("obj").input("used.rs").run(); + + cmd("nm").arg("used.o").run().assert_stdout_contains("FOO"); +} From fe9154c64ee0e226a7f0009796b98f9fbec3862d Mon Sep 17 00:00:00 2001 From: Rayyan Khan <163682431+x4exr@users.noreply.github.com> Date: Tue, 11 Jun 2024 19:35:29 -0400 Subject: [PATCH 1621/1716] doc: Added commas where needed --- library/core/src/ptr/mod.rs | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/library/core/src/ptr/mod.rs b/library/core/src/ptr/mod.rs index 6661f6ee78b4..a8a47b69632f 100644 --- a/library/core/src/ptr/mod.rs +++ b/library/core/src/ptr/mod.rs @@ -237,7 +237,7 @@ //! pointer. For code which *does* cast a usize to a pointer, the scope of the change depends //! on exactly what you're doing. //! -//! In general you just need to make sure that if you want to convert a usize address to a +//! In general, you just need to make sure that if you want to convert a usize address to a //! pointer and then use that pointer to read/write memory, you need to keep around a pointer //! that has sufficient provenance to perform that read/write itself. In this way all of your //! casts from an address to a pointer are essentially just applying offsets/indexing. @@ -309,7 +309,7 @@ //! i.e. the usual "ZSTs are fake, do what you want" rules apply *but* this only applies //! for actual forgery (integers cast to pointers). If you borrow some struct's field //! that *happens* to be zero-sized, the resulting pointer will have provenance tied to -//! that allocation and it will still get invalidated if the allocation gets deallocated. +//! that allocation, and it will still get invalidated if the allocation gets deallocated. //! In the future we may introduce an API to make such a forged allocation explicit. //! //! * [`wrapping_offset`][] a pointer outside its provenance. This includes pointers @@ -698,7 +698,7 @@ pub const fn dangling_mut() -> *mut T { /// /// If there is no 'exposed' provenance that justifies the way this pointer will be used, /// the program has undefined behavior. In particular, the aliasing rules still apply: pointers -/// and references that have been invalidated due to aliasing accesses cannot be used any more, +/// and references that have been invalidated due to aliasing accesses cannot be used anymore, /// even if they have been exposed! /// /// Note that there is no algorithm that decides which provenance will be used. You can think of this @@ -1097,7 +1097,7 @@ const unsafe fn swap_nonoverlapping_simple_untyped(x: *mut T, y: *mut T, coun // If we end up here, it's because we're using a simple type -- like // a small power-of-two-sized thing -- or a special type with particularly // large alignment, particularly SIMD types. - // Thus we're fine just reading-and-writing it, as either it's small + // Thus, we're fine just reading-and-writing it, as either it's small // and that works well anyway or it's special and the type's author // presumably wanted things to be done in the larger chunk. @@ -1290,7 +1290,7 @@ pub const unsafe fn read(src: *const T) -> T { // provides enough information to know that this is a typed operation. // However, as of March 2023 the compiler was not capable of taking advantage - // of that information. Thus the implementation here switched to an intrinsic, + // of that information. Thus, the implementation here switched to an intrinsic, // which lowers to `_0 = *src` in MIR, to address a few issues: // // - Using `MaybeUninit::assume_init` after a `copy_nonoverlapping` was not @@ -1570,7 +1570,7 @@ pub const unsafe fn write(dst: *mut T, src: T) { /// As a result, using `&packed.unaligned as *const FieldType` causes immediate /// *undefined behavior* in your program. /// -/// Instead you must use the [`ptr::addr_of_mut!`](addr_of_mut) +/// Instead, you must use the [`ptr::addr_of_mut!`](addr_of_mut) /// macro to create the pointer. You may use that returned pointer together with /// this function. /// From 342c1b03d6d0f9aa1e8119a2556d819af024faaf Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sun, 16 Jun 2024 21:35:16 -0400 Subject: [PATCH 1622/1716] Rename InstanceDef -> InstanceKind --- .../src/diagnostics/mutability_errors.rs | 4 +- .../rustc_codegen_cranelift/src/abi/mod.rs | 14 +- .../rustc_codegen_cranelift/src/constant.rs | 2 +- .../src/intrinsics/mod.rs | 2 +- compiler/rustc_codegen_cranelift/src/lib.rs | 2 +- .../src/back/symbol_export.rs | 10 +- compiler/rustc_codegen_ssa/src/mir/block.rs | 12 +- compiler/rustc_codegen_ssa/src/mir/rvalue.rs | 2 +- .../src/check_consts/check.rs | 4 +- .../src/const_eval/eval_queries.rs | 2 +- .../src/const_eval/machine.rs | 8 +- .../src/interpret/eval_context.rs | 2 +- .../rustc_const_eval/src/interpret/machine.rs | 2 +- .../src/interpret/terminator.rs | 36 ++-- .../rustc_const_eval/src/interpret/util.rs | 2 +- compiler/rustc_interface/src/passes.rs | 2 +- .../src/rmeta/decoder/cstore_impl.rs | 2 +- compiler/rustc_metadata/src/rmeta/encoder.rs | 2 +- .../src/middle/exported_symbols.rs | 2 +- compiler/rustc_middle/src/mir/graphviz.rs | 2 +- compiler/rustc_middle/src/mir/mod.rs | 8 +- compiler/rustc_middle/src/mir/mono.rs | 38 ++-- compiler/rustc_middle/src/mir/pretty.rs | 6 +- compiler/rustc_middle/src/mir/visit.rs | 32 +-- compiler/rustc_middle/src/query/erase.rs | 2 +- compiler/rustc_middle/src/query/keys.rs | 4 +- compiler/rustc_middle/src/query/mod.rs | 12 +- compiler/rustc_middle/src/ty/instance.rs | 204 +++++++++--------- compiler/rustc_middle/src/ty/layout.rs | 4 +- compiler/rustc_middle/src/ty/mod.rs | 34 +-- compiler/rustc_mir_transform/src/coroutine.rs | 4 +- .../src/coroutine/by_move_body.rs | 6 +- .../rustc_mir_transform/src/coverage/query.rs | 2 +- compiler/rustc_mir_transform/src/inline.rs | 38 ++-- .../rustc_mir_transform/src/inline/cycle.rs | 32 +-- compiler/rustc_mir_transform/src/lib.rs | 2 +- compiler/rustc_mir_transform/src/shim.rs | 55 ++--- .../src/shim/async_destructor_ctor.rs | 2 +- compiler/rustc_mir_transform/src/validate.rs | 6 +- compiler/rustc_monomorphize/src/collector.rs | 34 +-- .../rustc_monomorphize/src/partitioning.rs | 64 +++--- .../rustc_monomorphize/src/polymorphize.rs | 8 +- .../cfi/typeid/itanium_cxx_abi/transform.rs | 12 +- .../rustc_sanitizers/src/kcfi/typeid/mod.rs | 4 +- compiler/rustc_smir/src/rustc_smir/builder.rs | 2 +- compiler/rustc_smir/src/rustc_smir/context.rs | 6 +- .../rustc_smir/src/rustc_smir/convert/ty.rs | 28 +-- compiler/rustc_smir/src/rustc_smir/mod.rs | 6 +- compiler/rustc_symbol_mangling/src/legacy.rs | 14 +- compiler/rustc_symbol_mangling/src/v0.rs | 14 +- compiler/rustc_ty_utils/src/abi.rs | 12 +- compiler/rustc_ty_utils/src/instance.rs | 28 +-- src/tools/miri/src/intrinsics/mod.rs | 2 +- 53 files changed, 421 insertions(+), 418 deletions(-) diff --git a/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs b/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs index df1a1411cf5f..b729a9000487 100644 --- a/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs @@ -8,7 +8,7 @@ use rustc_hir::intravisit::Visitor; use rustc_hir::{self as hir, BindingMode, ByRef, Node}; use rustc_middle::bug; use rustc_middle::mir::{Mutability, Place, PlaceRef, ProjectionElem}; -use rustc_middle::ty::{self, InstanceDef, Ty, TyCtxt, Upcast}; +use rustc_middle::ty::{self, InstanceKind, Ty, TyCtxt, Upcast}; use rustc_middle::{ hir::place::PlaceBase, mir::{self, BindingForm, Local, LocalDecl, LocalInfo, LocalKind, Location}, @@ -1020,7 +1020,7 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { fn suggest_using_iter_mut(&self, err: &mut Diag<'_>) { let source = self.body.source; let hir = self.infcx.tcx.hir(); - if let InstanceDef::Item(def_id) = source.instance + if let InstanceKind::Item(def_id) = source.instance && let Some(Node::Expr(hir::Expr { hir_id, kind, .. })) = hir.get_if_local(def_id) && let ExprKind::Closure(hir::Closure { kind: hir::ClosureKind::Closure, .. }) = kind && let Node::Expr(expr) = self.infcx.tcx.parent_hir_node(*hir_id) diff --git a/compiler/rustc_codegen_cranelift/src/abi/mod.rs b/compiler/rustc_codegen_cranelift/src/abi/mod.rs index bd5a88769059..695dbaf2804b 100644 --- a/compiler/rustc_codegen_cranelift/src/abi/mod.rs +++ b/compiler/rustc_codegen_cranelift/src/abi/mod.rs @@ -399,7 +399,7 @@ pub(crate) fn codegen_terminator_call<'tcx>( } match instance.def { - InstanceDef::Intrinsic(_) => { + InstanceKind::Intrinsic(_) => { match crate::intrinsics::codegen_intrinsic_call( fx, instance, @@ -412,7 +412,7 @@ pub(crate) fn codegen_terminator_call<'tcx>( Err(instance) => Some(instance), } } - InstanceDef::DropGlue(_, None) | ty::InstanceDef::AsyncDropGlueCtorShim(_, None) => { + InstanceKind::DropGlue(_, None) | ty::InstanceKind::AsyncDropGlueCtorShim(_, None) => { // empty drop glue - a nop. let dest = target.expect("Non terminating drop_in_place_real???"); let ret_block = fx.get_block(dest); @@ -494,7 +494,7 @@ pub(crate) fn codegen_terminator_call<'tcx>( let (func_ref, first_arg_override) = match instance { // Trait object call - Some(Instance { def: InstanceDef::Virtual(_, idx), .. }) => { + Some(Instance { def: InstanceKind::Virtual(_, idx), .. }) => { if fx.clif_comments.enabled() { let nop_inst = fx.bcx.ins().nop(); fx.add_comment( @@ -598,7 +598,7 @@ pub(crate) fn codegen_drop<'tcx>( let ty = drop_place.layout().ty; let drop_instance = Instance::resolve_drop_in_place(fx.tcx, ty).polymorphize(fx.tcx); - if let ty::InstanceDef::DropGlue(_, None) | ty::InstanceDef::AsyncDropGlueCtorShim(_, None) = + if let ty::InstanceKind::DropGlue(_, None) | ty::InstanceKind::AsyncDropGlueCtorShim(_, None) = drop_instance.def { // we don't actually need to drop anything @@ -630,7 +630,7 @@ pub(crate) fn codegen_drop<'tcx>( // FIXME(eddyb) perhaps move some of this logic into // `Instance::resolve_drop_in_place`? let virtual_drop = Instance { - def: ty::InstanceDef::Virtual(drop_instance.def_id(), 0), + def: ty::InstanceKind::Virtual(drop_instance.def_id(), 0), args: drop_instance.args, }; let fn_abi = @@ -673,7 +673,7 @@ pub(crate) fn codegen_drop<'tcx>( fx.bcx.switch_to_block(continued); let virtual_drop = Instance { - def: ty::InstanceDef::Virtual(drop_instance.def_id(), 0), + def: ty::InstanceKind::Virtual(drop_instance.def_id(), 0), args: drop_instance.args, }; let fn_abi = @@ -684,7 +684,7 @@ pub(crate) fn codegen_drop<'tcx>( fx.bcx.ins().call_indirect(sig, drop_fn, &[data]); } _ => { - assert!(!matches!(drop_instance.def, InstanceDef::Virtual(_, _))); + assert!(!matches!(drop_instance.def, InstanceKind::Virtual(_, _))); let fn_abi = RevealAllLayoutCx(fx.tcx).fn_abi_of_instance(drop_instance, ty::List::empty()); diff --git a/compiler/rustc_codegen_cranelift/src/constant.rs b/compiler/rustc_codegen_cranelift/src/constant.rs index a53598018f4a..87c5da3b7c3e 100644 --- a/compiler/rustc_codegen_cranelift/src/constant.rs +++ b/compiler/rustc_codegen_cranelift/src/constant.rs @@ -50,7 +50,7 @@ pub(crate) fn codegen_tls_ref<'tcx>( ) -> CValue<'tcx> { let tls_ptr = if !def_id.is_local() && fx.tcx.needs_thread_local_shim(def_id) { let instance = ty::Instance { - def: ty::InstanceDef::ThreadLocalShim(def_id), + def: ty::InstanceKind::ThreadLocalShim(def_id), args: ty::GenericArgs::empty(), }; let func_ref = fx.get_function_ref(instance); diff --git a/compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs b/compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs index cafdc051db5a..b21c559e6686 100644 --- a/compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs +++ b/compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs @@ -1261,7 +1261,7 @@ fn codegen_regular_intrinsic_call<'tcx>( } // Unimplemented intrinsics must have a fallback body. The fallback body is obtained - // by converting the `InstanceDef::Intrinsic` to an `InstanceDef::Item`. + // by converting the `InstanceKind::Intrinsic` to an `InstanceKind::Item`. _ => { let intrinsic = fx.tcx.intrinsic(instance.def_id()).unwrap(); if intrinsic.must_be_overridden { diff --git a/compiler/rustc_codegen_cranelift/src/lib.rs b/compiler/rustc_codegen_cranelift/src/lib.rs index 0fea3fd42539..2edb34e7c20d 100644 --- a/compiler/rustc_codegen_cranelift/src/lib.rs +++ b/compiler/rustc_codegen_cranelift/src/lib.rs @@ -98,7 +98,7 @@ mod prelude { pub(crate) use rustc_middle::mir::{self, *}; pub(crate) use rustc_middle::ty::layout::{LayoutOf, TyAndLayout}; pub(crate) use rustc_middle::ty::{ - self, FloatTy, Instance, InstanceDef, IntTy, ParamEnv, Ty, TyCtxt, UintTy, + self, FloatTy, Instance, InstanceKind, IntTy, ParamEnv, Ty, TyCtxt, UintTy, }; pub(crate) use rustc_span::Span; pub(crate) use rustc_target::abi::{Abi, FieldIdx, Scalar, Size, VariantIdx, FIRST_VARIANT}; diff --git a/compiler/rustc_codegen_ssa/src/back/symbol_export.rs b/compiler/rustc_codegen_ssa/src/back/symbol_export.rs index a6df8950b351..1d61c1564091 100644 --- a/compiler/rustc_codegen_ssa/src/back/symbol_export.rs +++ b/compiler/rustc_codegen_ssa/src/back/symbol_export.rs @@ -310,7 +310,7 @@ fn exported_symbols_provider_local( if tcx.sess.opts.share_generics() && tcx.local_crate_exports_generics() { use rustc_middle::mir::mono::{Linkage, MonoItem, Visibility}; - use rustc_middle::ty::InstanceDef; + use rustc_middle::ty::InstanceKind; // Normally, we require that shared monomorphizations are not hidden, // because if we want to re-use a monomorphization from a Rust dylib, it @@ -337,7 +337,7 @@ fn exported_symbols_provider_local( } match *mono_item { - MonoItem::Fn(Instance { def: InstanceDef::Item(def), args }) => { + MonoItem::Fn(Instance { def: InstanceKind::Item(def), args }) => { if args.non_erasable_generics(tcx, def).next().is_some() { let symbol = ExportedSymbol::Generic(def, args); symbols.push(( @@ -350,7 +350,7 @@ fn exported_symbols_provider_local( )); } } - MonoItem::Fn(Instance { def: InstanceDef::DropGlue(def_id, Some(ty)), args }) => { + MonoItem::Fn(Instance { def: InstanceKind::DropGlue(def_id, Some(ty)), args }) => { // A little sanity-check debug_assert_eq!( args.non_erasable_generics(tcx, def_id).next(), @@ -366,7 +366,7 @@ fn exported_symbols_provider_local( )); } MonoItem::Fn(Instance { - def: InstanceDef::AsyncDropGlueCtorShim(def_id, Some(ty)), + def: InstanceKind::AsyncDropGlueCtorShim(def_id, Some(ty)), args, }) => { // A little sanity-check @@ -556,7 +556,7 @@ pub fn symbol_name_for_instance_in_crate<'tcx>( rustc_symbol_mangling::symbol_name_for_instance_in_crate( tcx, ty::Instance { - def: ty::InstanceDef::ThreadLocalShim(def_id), + def: ty::InstanceKind::ThreadLocalShim(def_id), args: ty::GenericArgs::empty(), }, instantiating_crate, diff --git a/compiler/rustc_codegen_ssa/src/mir/block.rs b/compiler/rustc_codegen_ssa/src/mir/block.rs index bd9704b37aea..57138d3b9dbd 100644 --- a/compiler/rustc_codegen_ssa/src/mir/block.rs +++ b/compiler/rustc_codegen_ssa/src/mir/block.rs @@ -510,7 +510,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { let ty = self.monomorphize(ty); let drop_fn = Instance::resolve_drop_in_place(bx.tcx(), ty); - if let ty::InstanceDef::DropGlue(_, None) = drop_fn.def { + if let ty::InstanceKind::DropGlue(_, None) = drop_fn.def { // we don't actually need to drop anything. return helper.funclet_br(self, bx, target, mergeable_succ); } @@ -541,7 +541,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { // \-------/ // let virtual_drop = Instance { - def: ty::InstanceDef::Virtual(drop_fn.def_id(), 0), // idx 0: the drop function + def: ty::InstanceKind::Virtual(drop_fn.def_id(), 0), // idx 0: the drop function args: drop_fn.args, }; debug!("ty = {:?}", ty); @@ -583,7 +583,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { // // SO THEN WE CAN USE THE ABOVE CODE. let virtual_drop = Instance { - def: ty::InstanceDef::Virtual(drop_fn.def_id(), 0), // idx 0: the drop function + def: ty::InstanceKind::Virtual(drop_fn.def_id(), 0), // idx 0: the drop function args: drop_fn.args, }; debug!("ty = {:?}", ty); @@ -855,7 +855,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { let def = instance.map(|i| i.def); if let Some( - ty::InstanceDef::DropGlue(_, None) | ty::InstanceDef::AsyncDropGlueCtorShim(_, None), + ty::InstanceKind::DropGlue(_, None) | ty::InstanceKind::AsyncDropGlueCtorShim(_, None), ) = def { // Empty drop glue; a no-op. @@ -871,7 +871,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { // Handle intrinsics old codegen wants Expr's for, ourselves. let intrinsic = match def { - Some(ty::InstanceDef::Intrinsic(def_id)) => Some(bx.tcx().intrinsic(def_id).unwrap()), + Some(ty::InstanceKind::Intrinsic(def_id)) => Some(bx.tcx().intrinsic(def_id).unwrap()), _ => None, }; @@ -1026,7 +1026,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { 'make_args: for (i, arg) in first_args.iter().enumerate() { let mut op = self.codegen_operand(bx, &arg.node); - if let (0, Some(ty::InstanceDef::Virtual(_, idx))) = (i, def) { + if let (0, Some(ty::InstanceKind::Virtual(_, idx))) = (i, def) { match op.val { Pair(data_ptr, meta) => { // In the case of Rc, we need to explicitly pass a diff --git a/compiler/rustc_codegen_ssa/src/mir/rvalue.rs b/compiler/rustc_codegen_ssa/src/mir/rvalue.rs index ad6b3f1159de..3dc7dc355115 100644 --- a/compiler/rustc_codegen_ssa/src/mir/rvalue.rs +++ b/compiler/rustc_codegen_ssa/src/mir/rvalue.rs @@ -704,7 +704,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { let static_ = if !def_id.is_local() && bx.cx().tcx().needs_thread_local_shim(def_id) { let instance = ty::Instance { - def: ty::InstanceDef::ThreadLocalShim(def_id), + def: ty::InstanceKind::ThreadLocalShim(def_id), args: ty::GenericArgs::empty(), }; let fn_ptr = bx.get_fn_addr(instance); diff --git a/compiler/rustc_const_eval/src/check_consts/check.rs b/compiler/rustc_const_eval/src/check_consts/check.rs index 0818d9425e20..ab60cc379209 100644 --- a/compiler/rustc_const_eval/src/check_consts/check.rs +++ b/compiler/rustc_const_eval/src/check_consts/check.rs @@ -10,7 +10,7 @@ use rustc_middle::mir::visit::{MutatingUseContext, NonMutatingUseContext, PlaceC use rustc_middle::mir::*; use rustc_middle::span_bug; use rustc_middle::ty::{self, adjustment::PointerCoercion, Ty, TyCtxt}; -use rustc_middle::ty::{Instance, InstanceDef, TypeVisitableExt}; +use rustc_middle::ty::{Instance, InstanceKind, TypeVisitableExt}; use rustc_mir_dataflow::Analysis; use rustc_span::{sym, Span, Symbol, DUMMY_SP}; use rustc_trait_selection::traits::error_reporting::TypeErrCtxtExt as _; @@ -769,7 +769,7 @@ impl<'tcx> Visitor<'tcx> for Checker<'_, 'tcx> { if let Ok(Some(instance)) = Instance::resolve(tcx, param_env, callee, fn_args) - && let InstanceDef::Item(def) = instance.def + && let InstanceKind::Item(def) = instance.def { // Resolve a trait method call to its concrete implementation, which may be in a // `const` trait impl. This is only used for the const stability check below, since diff --git a/compiler/rustc_const_eval/src/const_eval/eval_queries.rs b/compiler/rustc_const_eval/src/const_eval/eval_queries.rs index 4b8145eb4855..c60df06bb0ef 100644 --- a/compiler/rustc_const_eval/src/const_eval/eval_queries.rs +++ b/compiler/rustc_const_eval/src/const_eval/eval_queries.rs @@ -289,7 +289,7 @@ pub fn eval_to_const_value_raw_provider<'tcx>( // We call `const_eval` for zero arg intrinsics, too, in order to cache their value. // Catch such calls and evaluate them instead of trying to load a constant's MIR. - if let ty::InstanceDef::Intrinsic(def_id) = key.value.instance.def { + if let ty::InstanceKind::Intrinsic(def_id) = key.value.instance.def { let ty = key.value.instance.ty(tcx, key.param_env); let ty::FnDef(_, args) = ty.kind() else { bug!("intrinsic with type {:?}", ty); diff --git a/compiler/rustc_const_eval/src/const_eval/machine.rs b/compiler/rustc_const_eval/src/const_eval/machine.rs index d3631e0d7232..99276bac0350 100644 --- a/compiler/rustc_const_eval/src/const_eval/machine.rs +++ b/compiler/rustc_const_eval/src/const_eval/machine.rs @@ -398,10 +398,10 @@ impl<'tcx> interpret::Machine<'tcx> for CompileTimeMachine<'tcx> { fn load_mir( ecx: &InterpCx<'tcx, Self>, - instance: ty::InstanceDef<'tcx>, + instance: ty::InstanceKind<'tcx>, ) -> InterpResult<'tcx, &'tcx mir::Body<'tcx>> { match instance { - ty::InstanceDef::Item(def) => Ok(ecx.tcx.mir_for_ctfe(def)), + ty::InstanceKind::Item(def) => Ok(ecx.tcx.mir_for_ctfe(def)), _ => Ok(ecx.tcx.instance_mir(instance)), } } @@ -424,7 +424,7 @@ impl<'tcx> interpret::Machine<'tcx> for CompileTimeMachine<'tcx> { }; // Only check non-glue functions - if let ty::InstanceDef::Item(def) = instance.def { + if let ty::InstanceKind::Item(def) = instance.def { // Execution might have wandered off into other crates, so we cannot do a stability- // sensitive check here. But we can at least rule out functions that are not const at // all. That said, we have to allow calling functions inside a trait marked with @@ -540,7 +540,7 @@ impl<'tcx> interpret::Machine<'tcx> for CompileTimeMachine<'tcx> { ); } return Ok(Some(ty::Instance { - def: ty::InstanceDef::Item(instance.def_id()), + def: ty::InstanceKind::Item(instance.def_id()), args: instance.args, })); } diff --git a/compiler/rustc_const_eval/src/interpret/eval_context.rs b/compiler/rustc_const_eval/src/interpret/eval_context.rs index 4d93038a81e4..86325c5ae240 100644 --- a/compiler/rustc_const_eval/src/interpret/eval_context.rs +++ b/compiler/rustc_const_eval/src/interpret/eval_context.rs @@ -562,7 +562,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { pub fn load_mir( &self, - instance: ty::InstanceDef<'tcx>, + instance: ty::InstanceKind<'tcx>, promoted: Option, ) -> InterpResult<'tcx, &'tcx mir::Body<'tcx>> { trace!("load mir(instance={:?}, promoted={:?})", instance, promoted); diff --git a/compiler/rustc_const_eval/src/interpret/machine.rs b/compiler/rustc_const_eval/src/interpret/machine.rs index 4ae0aca5a0c0..e91ab7c17916 100644 --- a/compiler/rustc_const_eval/src/interpret/machine.rs +++ b/compiler/rustc_const_eval/src/interpret/machine.rs @@ -177,7 +177,7 @@ pub trait Machine<'tcx>: Sized { /// constants, ... fn load_mir( ecx: &InterpCx<'tcx, Self>, - instance: ty::InstanceDef<'tcx>, + instance: ty::InstanceKind<'tcx>, ) -> InterpResult<'tcx, &'tcx mir::Body<'tcx>> { Ok(ecx.tcx.instance_mir(instance)) } diff --git a/compiler/rustc_const_eval/src/interpret/terminator.rs b/compiler/rustc_const_eval/src/interpret/terminator.rs index 8f76a1486795..74521d0f4934 100644 --- a/compiler/rustc_const_eval/src/interpret/terminator.rs +++ b/compiler/rustc_const_eval/src/interpret/terminator.rs @@ -175,7 +175,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { Drop { place, target, unwind, replace: _ } => { let place = self.eval_place(place)?; let instance = Instance::resolve_drop_in_place(*self.tcx, place.layout.ty); - if let ty::InstanceDef::DropGlue(_, None) = instance.def { + if let ty::InstanceKind::DropGlue(_, None) = instance.def { // This is the branch we enter if and only if the dropped type has no drop glue // whatsoever. This can happen as a result of monomorphizing a drop of a // generic. In order to make sure that generic and non-generic code behaves @@ -550,7 +550,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { }; match instance.def { - ty::InstanceDef::Intrinsic(def_id) => { + ty::InstanceKind::Intrinsic(def_id) => { assert!(self.tcx.intrinsic(def_id).is_some()); // FIXME: Should `InPlace` arguments be reset to uninit? if let Some(fallback) = M::call_intrinsic( @@ -562,7 +562,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { unwind, )? { assert!(!self.tcx.intrinsic(fallback.def_id()).unwrap().must_be_overridden); - assert!(matches!(fallback.def, ty::InstanceDef::Item(_))); + assert!(matches!(fallback.def, ty::InstanceKind::Item(_))); return self.eval_fn_call( FnVal::Instance(fallback), (caller_abi, caller_fn_abi), @@ -576,18 +576,18 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { Ok(()) } } - ty::InstanceDef::VTableShim(..) - | ty::InstanceDef::ReifyShim(..) - | ty::InstanceDef::ClosureOnceShim { .. } - | ty::InstanceDef::ConstructCoroutineInClosureShim { .. } - | ty::InstanceDef::CoroutineKindShim { .. } - | ty::InstanceDef::FnPtrShim(..) - | ty::InstanceDef::DropGlue(..) - | ty::InstanceDef::CloneShim(..) - | ty::InstanceDef::FnPtrAddrShim(..) - | ty::InstanceDef::ThreadLocalShim(..) - | ty::InstanceDef::AsyncDropGlueCtorShim(..) - | ty::InstanceDef::Item(_) => { + ty::InstanceKind::VTableShim(..) + | ty::InstanceKind::ReifyShim(..) + | ty::InstanceKind::ClosureOnceShim { .. } + | ty::InstanceKind::ConstructCoroutineInClosureShim { .. } + | ty::InstanceKind::CoroutineKindShim { .. } + | ty::InstanceKind::FnPtrShim(..) + | ty::InstanceKind::DropGlue(..) + | ty::InstanceKind::CloneShim(..) + | ty::InstanceKind::FnPtrAddrShim(..) + | ty::InstanceKind::ThreadLocalShim(..) + | ty::InstanceKind::AsyncDropGlueCtorShim(..) + | ty::InstanceKind::Item(_) => { // We need MIR for this fn let Some((body, instance)) = M::find_mir_or_eval_fn( self, @@ -786,9 +786,9 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { Ok(()) => Ok(()), } } - // `InstanceDef::Virtual` does not have callable MIR. Calls to `Virtual` instances must be + // `InstanceKind::Virtual` does not have callable MIR. Calls to `Virtual` instances must be // codegen'd / interpreted as virtual calls through the vtable. - ty::InstanceDef::Virtual(def_id, idx) => { + ty::InstanceKind::Virtual(def_id, idx) => { let mut args = args.to_vec(); // We have to implement all "object safe receivers". So we have to go search for a // pointer or `dyn Trait` type, but it could be wrapped in newtypes. So recursively @@ -965,7 +965,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { let place = self.force_allocation(place)?; // We behave a bit different from codegen here. - // Codegen creates an `InstanceDef::Virtual` with index 0 (the slot of the drop method) and + // Codegen creates an `InstanceKind::Virtual` with index 0 (the slot of the drop method) and // then dispatches that to the normal call machinery. However, our call machinery currently // only supports calling `VtblEntry::Method`; it would choke on a `MetadataDropInPlace`. So // instead we do the virtual call stuff ourselves. It's easier here than in `eval_fn_call` diff --git a/compiler/rustc_const_eval/src/interpret/util.rs b/compiler/rustc_const_eval/src/interpret/util.rs index f6537ed6ea9e..bbe5e5fe3edb 100644 --- a/compiler/rustc_const_eval/src/interpret/util.rs +++ b/compiler/rustc_const_eval/src/interpret/util.rs @@ -44,7 +44,7 @@ where | ty::CoroutineClosure(def_id, args, ..) | ty::Coroutine(def_id, args, ..) | ty::FnDef(def_id, args) => { - let instance = ty::InstanceDef::Item(def_id); + let instance = ty::InstanceKind::Item(def_id); let unused_params = self.tcx.unused_generic_params(instance); for (index, arg) in args.into_iter().enumerate() { let index = index diff --git a/compiler/rustc_interface/src/passes.rs b/compiler/rustc_interface/src/passes.rs index d52286d5887d..f881d53858a2 100644 --- a/compiler/rustc_interface/src/passes.rs +++ b/compiler/rustc_interface/src/passes.rs @@ -756,7 +756,7 @@ fn run_required_analyses(tcx: TyCtxt<'_>) { || tcx.hir().body_const_context(def_id).is_some() { tcx.ensure().mir_drops_elaborated_and_const_checked(def_id); - tcx.ensure().unused_generic_params(ty::InstanceDef::Item(def_id.to_def_id())); + tcx.ensure().unused_generic_params(ty::InstanceKind::Item(def_id.to_def_id())); } } }); diff --git a/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs b/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs index 1cef35f082b9..c9450142cd3b 100644 --- a/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs +++ b/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs @@ -191,7 +191,7 @@ impl IntoArgs for (CrateNum, DefId) { } } -impl<'tcx> IntoArgs for ty::InstanceDef<'tcx> { +impl<'tcx> IntoArgs for ty::InstanceKind<'tcx> { type Other = (); fn into_args(self) -> (DefId, ()) { (self.def_id(), ()) diff --git a/compiler/rustc_metadata/src/rmeta/encoder.rs b/compiler/rustc_metadata/src/rmeta/encoder.rs index d7840a2d516f..4bd2ec09a6e6 100644 --- a/compiler/rustc_metadata/src/rmeta/encoder.rs +++ b/compiler/rustc_metadata/src/rmeta/encoder.rs @@ -1693,7 +1693,7 @@ impl<'a, 'tcx> EncodeContext<'a, 'tcx> { record!(self.tables.mir_coroutine_witnesses[def_id.to_def_id()] <- witnesses); } - let instance = ty::InstanceDef::Item(def_id.to_def_id()); + let instance = ty::InstanceKind::Item(def_id.to_def_id()); let unused = tcx.unused_generic_params(instance); self.tables.unused_generic_params.set(def_id.local_def_index, unused); } diff --git a/compiler/rustc_middle/src/middle/exported_symbols.rs b/compiler/rustc_middle/src/middle/exported_symbols.rs index 3b6eecb7fa04..b35cc83cb8e8 100644 --- a/compiler/rustc_middle/src/middle/exported_symbols.rs +++ b/compiler/rustc_middle/src/middle/exported_symbols.rs @@ -64,7 +64,7 @@ impl<'tcx> ExportedSymbol<'tcx> { tcx.symbol_name(ty::Instance::resolve_async_drop_in_place(tcx, ty)) } ExportedSymbol::ThreadLocalShim(def_id) => tcx.symbol_name(ty::Instance { - def: ty::InstanceDef::ThreadLocalShim(def_id), + def: ty::InstanceKind::ThreadLocalShim(def_id), args: ty::GenericArgs::empty(), }), ExportedSymbol::NoDefId(symbol_name) => symbol_name, diff --git a/compiler/rustc_middle/src/mir/graphviz.rs b/compiler/rustc_middle/src/mir/graphviz.rs index 96bef40dac51..2eadc4d553cc 100644 --- a/compiler/rustc_middle/src/mir/graphviz.rs +++ b/compiler/rustc_middle/src/mir/graphviz.rs @@ -19,7 +19,7 @@ where if tcx.is_const_fn_raw(*def_id) { vec![tcx.optimized_mir(*def_id), tcx.mir_for_ctfe(*def_id)] } else { - vec![tcx.instance_mir(ty::InstanceDef::Item(*def_id))] + vec![tcx.instance_mir(ty::InstanceKind::Item(*def_id))] } }) .collect::>(); diff --git a/compiler/rustc_middle/src/mir/mod.rs b/compiler/rustc_middle/src/mir/mod.rs index 02e5174a715d..01cefc75194f 100644 --- a/compiler/rustc_middle/src/mir/mod.rs +++ b/compiler/rustc_middle/src/mir/mod.rs @@ -10,7 +10,7 @@ use crate::ty::print::{pretty_print_const, with_no_trimmed_paths}; use crate::ty::print::{FmtPrinter, Printer}; use crate::ty::visit::TypeVisitableExt; use crate::ty::{self, List, Ty, TyCtxt}; -use crate::ty::{AdtDef, Instance, InstanceDef, UserTypeAnnotationIndex}; +use crate::ty::{AdtDef, Instance, InstanceKind, UserTypeAnnotationIndex}; use crate::ty::{GenericArg, GenericArgsRef}; use rustc_data_structures::captures::Captures; @@ -233,7 +233,7 @@ impl RuntimePhase { #[derive(Copy, Clone, Debug, PartialEq, Eq)] #[derive(HashStable, TyEncodable, TyDecodable, TypeFoldable, TypeVisitable)] pub struct MirSource<'tcx> { - pub instance: InstanceDef<'tcx>, + pub instance: InstanceKind<'tcx>, /// If `Some`, this is a promoted rvalue within the parent function. pub promoted: Option, @@ -241,10 +241,10 @@ pub struct MirSource<'tcx> { impl<'tcx> MirSource<'tcx> { pub fn item(def_id: DefId) -> Self { - MirSource { instance: InstanceDef::Item(def_id), promoted: None } + MirSource { instance: InstanceKind::Item(def_id), promoted: None } } - pub fn from_instance(instance: InstanceDef<'tcx>) -> Self { + pub fn from_instance(instance: InstanceKind<'tcx>) -> Self { MirSource { instance, promoted: None } } diff --git a/compiler/rustc_middle/src/mir/mono.rs b/compiler/rustc_middle/src/mir/mono.rs index 3d79ec0092f8..146cd6dfbeb7 100644 --- a/compiler/rustc_middle/src/mir/mono.rs +++ b/compiler/rustc_middle/src/mir/mono.rs @@ -1,5 +1,5 @@ use crate::dep_graph::{DepNode, WorkProduct, WorkProductId}; -use crate::ty::{GenericArgs, Instance, InstanceDef, SymbolName, TyCtxt}; +use crate::ty::{GenericArgs, Instance, InstanceKind, SymbolName, TyCtxt}; use rustc_attr::InlineAttr; use rustc_data_structures::base_n::BaseNString; use rustc_data_structures::base_n::ToBaseN; @@ -56,7 +56,7 @@ impl<'tcx> MonoItem<'tcx> { /// Returns `true` if the mono item is user-defined (i.e. not compiler-generated, like shims). pub fn is_user_defined(&self) -> bool { match *self { - MonoItem::Fn(instance) => matches!(instance.def, InstanceDef::Item(..)), + MonoItem::Fn(instance) => matches!(instance.def, InstanceKind::Item(..)), MonoItem::Static(..) | MonoItem::GlobalAsm(..) => true, } } @@ -69,9 +69,9 @@ impl<'tcx> MonoItem<'tcx> { match instance.def { // "Normal" functions size estimate: the number of // statements, plus one for the terminator. - InstanceDef::Item(..) - | InstanceDef::DropGlue(..) - | InstanceDef::AsyncDropGlueCtorShim(..) => { + InstanceKind::Item(..) + | InstanceKind::DropGlue(..) + | InstanceKind::AsyncDropGlueCtorShim(..) => { let mir = tcx.instance_mir(instance.def); mir.basic_blocks.iter().map(|bb| bb.statements.len() + 1).sum() } @@ -407,20 +407,20 @@ impl<'tcx> CodegenUnit<'tcx> { // instances into account. The others don't matter for // the codegen tests and can even make item order // unstable. - InstanceDef::Item(def) => def.as_local().map(Idx::index), - InstanceDef::VTableShim(..) - | InstanceDef::ReifyShim(..) - | InstanceDef::Intrinsic(..) - | InstanceDef::FnPtrShim(..) - | InstanceDef::Virtual(..) - | InstanceDef::ClosureOnceShim { .. } - | InstanceDef::ConstructCoroutineInClosureShim { .. } - | InstanceDef::CoroutineKindShim { .. } - | InstanceDef::DropGlue(..) - | InstanceDef::CloneShim(..) - | InstanceDef::ThreadLocalShim(..) - | InstanceDef::FnPtrAddrShim(..) - | InstanceDef::AsyncDropGlueCtorShim(..) => None, + InstanceKind::Item(def) => def.as_local().map(Idx::index), + InstanceKind::VTableShim(..) + | InstanceKind::ReifyShim(..) + | InstanceKind::Intrinsic(..) + | InstanceKind::FnPtrShim(..) + | InstanceKind::Virtual(..) + | InstanceKind::ClosureOnceShim { .. } + | InstanceKind::ConstructCoroutineInClosureShim { .. } + | InstanceKind::CoroutineKindShim { .. } + | InstanceKind::DropGlue(..) + | InstanceKind::CloneShim(..) + | InstanceKind::ThreadLocalShim(..) + | InstanceKind::FnPtrAddrShim(..) + | InstanceKind::AsyncDropGlueCtorShim(..) => None, } } MonoItem::Static(def_id) => def_id.as_local().map(Idx::index), diff --git a/compiler/rustc_middle/src/mir/pretty.rs b/compiler/rustc_middle/src/mir/pretty.rs index f1c3cb698969..4657f4dcf813 100644 --- a/compiler/rustc_middle/src/mir/pretty.rs +++ b/compiler/rustc_middle/src/mir/pretty.rs @@ -177,7 +177,7 @@ fn dump_path<'tcx>( // All drop shims have the same DefId, so we have to add the type // to get unique file names. let shim_disambiguator = match source.instance { - ty::InstanceDef::DropGlue(_, Some(ty)) => { + ty::InstanceKind::DropGlue(_, Some(ty)) => { // Unfortunately, pretty-printed typed are not very filename-friendly. // We dome some filtering. let mut s = ".".to_owned(); @@ -188,7 +188,7 @@ fn dump_path<'tcx>( })); s } - ty::InstanceDef::AsyncDropGlueCtorShim(_, Some(ty)) => { + ty::InstanceKind::AsyncDropGlueCtorShim(_, Some(ty)) => { // Unfortunately, pretty-printed typed are not very filename-friendly. // We dome some filtering. let mut s = ".".to_owned(); @@ -280,7 +280,7 @@ pub fn write_mir_pretty<'tcx>( // are shared between mir_for_ctfe and optimized_mir write_mir_fn(tcx, tcx.mir_for_ctfe(def_id), &mut |_, _| Ok(()), w)?; } else { - let instance_mir = tcx.instance_mir(ty::InstanceDef::Item(def_id)); + let instance_mir = tcx.instance_mir(ty::InstanceKind::Item(def_id)); render_body(w, instance_mir)?; } } diff --git a/compiler/rustc_middle/src/mir/visit.rs b/compiler/rustc_middle/src/mir/visit.rs index 10609e56f2c4..7628a1ed2fe2 100644 --- a/compiler/rustc_middle/src/mir/visit.rs +++ b/compiler/rustc_middle/src/mir/visit.rs @@ -337,27 +337,27 @@ macro_rules! make_mir_visitor { let ty::Instance { def: callee_def, args: callee_args } = callee; match callee_def { - ty::InstanceDef::Item(_def_id) => {} + ty::InstanceKind::Item(_def_id) => {} - ty::InstanceDef::Intrinsic(_def_id) | - ty::InstanceDef::VTableShim(_def_id) | - ty::InstanceDef::ReifyShim(_def_id, _) | - ty::InstanceDef::Virtual(_def_id, _) | - ty::InstanceDef::ThreadLocalShim(_def_id) | - ty::InstanceDef::ClosureOnceShim { call_once: _def_id, track_caller: _ } | - ty::InstanceDef::ConstructCoroutineInClosureShim { + ty::InstanceKind::Intrinsic(_def_id) | + ty::InstanceKind::VTableShim(_def_id) | + ty::InstanceKind::ReifyShim(_def_id, _) | + ty::InstanceKind::Virtual(_def_id, _) | + ty::InstanceKind::ThreadLocalShim(_def_id) | + ty::InstanceKind::ClosureOnceShim { call_once: _def_id, track_caller: _ } | + ty::InstanceKind::ConstructCoroutineInClosureShim { coroutine_closure_def_id: _def_id, receiver_by_ref: _, } | - ty::InstanceDef::CoroutineKindShim { coroutine_def_id: _def_id } | - ty::InstanceDef::AsyncDropGlueCtorShim(_def_id, None) | - ty::InstanceDef::DropGlue(_def_id, None) => {} + ty::InstanceKind::CoroutineKindShim { coroutine_def_id: _def_id } | + ty::InstanceKind::AsyncDropGlueCtorShim(_def_id, None) | + ty::InstanceKind::DropGlue(_def_id, None) => {} - ty::InstanceDef::FnPtrShim(_def_id, ty) | - ty::InstanceDef::DropGlue(_def_id, Some(ty)) | - ty::InstanceDef::CloneShim(_def_id, ty) | - ty::InstanceDef::FnPtrAddrShim(_def_id, ty) | - ty::InstanceDef::AsyncDropGlueCtorShim(_def_id, Some(ty)) => { + ty::InstanceKind::FnPtrShim(_def_id, ty) | + ty::InstanceKind::DropGlue(_def_id, Some(ty)) | + ty::InstanceKind::CloneShim(_def_id, ty) | + ty::InstanceKind::FnPtrAddrShim(_def_id, ty) | + ty::InstanceKind::AsyncDropGlueCtorShim(_def_id, Some(ty)) => { // FIXME(eddyb) use a better `TyContext` here. self.visit_ty($(& $mutability)? *ty, TyContext::Location(location)); } diff --git a/compiler/rustc_middle/src/query/erase.rs b/compiler/rustc_middle/src/query/erase.rs index b29a86d58ed6..301c9911b44c 100644 --- a/compiler/rustc_middle/src/query/erase.rs +++ b/compiler/rustc_middle/src/query/erase.rs @@ -365,7 +365,7 @@ tcx_lifetime! { rustc_middle::ty::GenericPredicates, rustc_middle::ty::inhabitedness::InhabitedPredicate, rustc_middle::ty::Instance, - rustc_middle::ty::InstanceDef, + rustc_middle::ty::InstanceKind, rustc_middle::ty::layout::FnAbiError, rustc_middle::ty::layout::LayoutError, rustc_middle::ty::ParamEnv, diff --git a/compiler/rustc_middle/src/query/keys.rs b/compiler/rustc_middle/src/query/keys.rs index 5452e1dff3ef..add88491f846 100644 --- a/compiler/rustc_middle/src/query/keys.rs +++ b/compiler/rustc_middle/src/query/keys.rs @@ -62,7 +62,7 @@ impl Key for () { } } -impl<'tcx> Key for ty::InstanceDef<'tcx> { +impl<'tcx> Key for ty::InstanceKind<'tcx> { type Cache = DefaultCache; fn default_span(&self, tcx: TyCtxt<'_>) -> Span { @@ -70,7 +70,7 @@ impl<'tcx> Key for ty::InstanceDef<'tcx> { } } -impl<'tcx> AsLocalKey for ty::InstanceDef<'tcx> { +impl<'tcx> AsLocalKey for ty::InstanceKind<'tcx> { type LocalKey = Self; #[inline(always)] diff --git a/compiler/rustc_middle/src/query/mod.rs b/compiler/rustc_middle/src/query/mod.rs index 8ba930f493e2..0f08694c4eab 100644 --- a/compiler/rustc_middle/src/query/mod.rs +++ b/compiler/rustc_middle/src/query/mod.rs @@ -575,7 +575,7 @@ rustc_queries! { /// Summarizes coverage IDs inserted by the `InstrumentCoverage` MIR pass /// (for compiler option `-Cinstrument-coverage`), after MIR optimizations /// have had a chance to potentially remove some of them. - query coverage_ids_info(key: ty::InstanceDef<'tcx>) -> &'tcx mir::CoverageIdsInfo { + query coverage_ids_info(key: ty::InstanceKind<'tcx>) -> &'tcx mir::CoverageIdsInfo { desc { |tcx| "retrieving coverage IDs info from MIR for `{}`", tcx.def_path_str(key.def_id()) } arena_cache } @@ -1033,7 +1033,7 @@ rustc_queries! { } /// Obtain all the calls into other local functions - query mir_inliner_callees(key: ty::InstanceDef<'tcx>) -> &'tcx [(DefId, GenericArgsRef<'tcx>)] { + query mir_inliner_callees(key: ty::InstanceKind<'tcx>) -> &'tcx [(DefId, GenericArgsRef<'tcx>)] { fatal_cycle desc { |tcx| "computing all local function calls in `{}`", @@ -1140,7 +1140,7 @@ rustc_queries! { } /// Generates a MIR body for the shim. - query mir_shims(key: ty::InstanceDef<'tcx>) -> &'tcx mir::Body<'tcx> { + query mir_shims(key: ty::InstanceKind<'tcx>) -> &'tcx mir::Body<'tcx> { arena_cache desc { |tcx| "generating MIR shim for `{}`", tcx.def_path_str(key.def_id()) } } @@ -1410,7 +1410,7 @@ rustc_queries! { /// Compute a `FnAbi` suitable for indirect calls, i.e. to `fn` pointers. /// /// NB: this doesn't handle virtual calls - those should use `fn_abi_of_instance` - /// instead, where the instance is an `InstanceDef::Virtual`. + /// instead, where the instance is an `InstanceKind::Virtual`. query fn_abi_of_fn_ptr( key: ty::ParamEnvAnd<'tcx, (ty::PolyFnSig<'tcx>, &'tcx ty::List>)> ) -> Result<&'tcx abi::call::FnAbi<'tcx, Ty<'tcx>>, &'tcx ty::layout::FnAbiError<'tcx>> { @@ -1421,7 +1421,7 @@ rustc_queries! { /// direct calls to an `fn`. /// /// NB: that includes virtual calls, which are represented by "direct calls" - /// to an `InstanceDef::Virtual` instance (of `::fn`). + /// to an `InstanceKind::Virtual` instance (of `::fn`). query fn_abi_of_instance( key: ty::ParamEnvAnd<'tcx, (ty::Instance<'tcx>, &'tcx ty::List>)> ) -> Result<&'tcx abi::call::FnAbi<'tcx, Ty<'tcx>>, &'tcx ty::layout::FnAbiError<'tcx>> { @@ -1918,7 +1918,7 @@ rustc_queries! { desc { "getting codegen unit `{sym}`" } } - query unused_generic_params(key: ty::InstanceDef<'tcx>) -> UnusedGenericParams { + query unused_generic_params(key: ty::InstanceKind<'tcx>) -> UnusedGenericParams { cache_on_disk_if { key.def_id().is_local() } desc { |tcx| "determining which generic parameters are unused by `{}`", diff --git a/compiler/rustc_middle/src/ty/instance.rs b/compiler/rustc_middle/src/ty/instance.rs index bdf90cbb25bb..5718264c9446 100644 --- a/compiler/rustc_middle/src/ty/instance.rs +++ b/compiler/rustc_middle/src/ty/instance.rs @@ -19,10 +19,10 @@ use tracing::{debug, instrument}; use std::assert_matches::assert_matches; use std::fmt; -/// A monomorphized `InstanceDef`. +/// An `InstanceKind` along with the args that are needed to substitute the instance. /// /// Monomorphization happens on-the-fly and no monomorphized MIR is ever created. Instead, this type -/// simply couples a potentially generic `InstanceDef` with some args, and codegen and const eval +/// simply couples a potentially generic `InstanceKind` with some args, and codegen and const eval /// will do all required instantiations as they run. /// /// Note: the `Lift` impl is currently not used by rustc, but is used by @@ -30,7 +30,7 @@ use std::fmt; #[derive(Copy, Clone, PartialEq, Eq, Hash, Debug, TyEncodable, TyDecodable)] #[derive(HashStable, Lift, TypeFoldable, TypeVisitable)] pub struct Instance<'tcx> { - pub def: InstanceDef<'tcx>, + pub def: InstanceKind<'tcx>, pub args: GenericArgsRef<'tcx>, } @@ -58,7 +58,7 @@ pub enum ReifyReason { #[derive(Copy, Clone, PartialEq, Eq, Hash, Debug)] #[derive(TyEncodable, TyDecodable, HashStable, TypeFoldable, TypeVisitable, Lift)] -pub enum InstanceDef<'tcx> { +pub enum InstanceKind<'tcx> { /// A user-defined callable item. /// /// This includes: @@ -69,7 +69,7 @@ pub enum InstanceDef<'tcx> { /// An intrinsic `fn` item (with `"rust-intrinsic"` or `"platform-intrinsic"` ABI). /// - /// Alongside `Virtual`, this is the only `InstanceDef` that does not have its own callable MIR. + /// Alongside `Virtual`, this is the only `InstanceKind` that does not have its own callable MIR. /// Instead, codegen and const eval "magically" evaluate calls to intrinsics purely in the /// caller. Intrinsic(DefId), @@ -85,7 +85,7 @@ pub enum InstanceDef<'tcx> { /// /// One example is `::fn`, where the shim contains /// a virtual call, which codegen supports only via a direct call to the - /// `::fn` instance (an `InstanceDef::Virtual`). + /// `::fn` instance (an `InstanceKind::Virtual`). /// /// Another example is functions annotated with `#[track_caller]`, which /// must have their implicit caller location argument populated for a call. @@ -107,7 +107,7 @@ pub enum InstanceDef<'tcx> { /// Dynamic dispatch to `::fn`. /// - /// This `InstanceDef` does not have callable MIR. Calls to `Virtual` instances must be + /// This `InstanceKind` does not have callable MIR. Calls to `Virtual` instances must be /// codegen'd as virtual calls through the vtable. /// /// If this is reified to a `fn` pointer, a `ReifyShim` is used (see `ReifyShim` above for more @@ -216,10 +216,10 @@ impl<'tcx> Instance<'tcx> { } match self.def { - InstanceDef::Item(def) => tcx + InstanceKind::Item(def) => tcx .upstream_monomorphizations_for(def) .and_then(|monos| monos.get(&self.args).cloned()), - InstanceDef::DropGlue(_, Some(_)) | InstanceDef::AsyncDropGlueCtorShim(_, _) => { + InstanceKind::DropGlue(_, Some(_)) | InstanceKind::AsyncDropGlueCtorShim(_, _) => { tcx.upstream_drop_glue_for(self.args) } _ => None, @@ -227,48 +227,48 @@ impl<'tcx> Instance<'tcx> { } } -impl<'tcx> InstanceDef<'tcx> { +impl<'tcx> InstanceKind<'tcx> { #[inline] pub fn def_id(self) -> DefId { match self { - InstanceDef::Item(def_id) - | InstanceDef::VTableShim(def_id) - | InstanceDef::ReifyShim(def_id, _) - | InstanceDef::FnPtrShim(def_id, _) - | InstanceDef::Virtual(def_id, _) - | InstanceDef::Intrinsic(def_id) - | InstanceDef::ThreadLocalShim(def_id) - | InstanceDef::ClosureOnceShim { call_once: def_id, track_caller: _ } - | ty::InstanceDef::ConstructCoroutineInClosureShim { + InstanceKind::Item(def_id) + | InstanceKind::VTableShim(def_id) + | InstanceKind::ReifyShim(def_id, _) + | InstanceKind::FnPtrShim(def_id, _) + | InstanceKind::Virtual(def_id, _) + | InstanceKind::Intrinsic(def_id) + | InstanceKind::ThreadLocalShim(def_id) + | InstanceKind::ClosureOnceShim { call_once: def_id, track_caller: _ } + | ty::InstanceKind::ConstructCoroutineInClosureShim { coroutine_closure_def_id: def_id, receiver_by_ref: _, } - | ty::InstanceDef::CoroutineKindShim { coroutine_def_id: def_id } - | InstanceDef::DropGlue(def_id, _) - | InstanceDef::CloneShim(def_id, _) - | InstanceDef::FnPtrAddrShim(def_id, _) - | InstanceDef::AsyncDropGlueCtorShim(def_id, _) => def_id, + | ty::InstanceKind::CoroutineKindShim { coroutine_def_id: def_id } + | InstanceKind::DropGlue(def_id, _) + | InstanceKind::CloneShim(def_id, _) + | InstanceKind::FnPtrAddrShim(def_id, _) + | InstanceKind::AsyncDropGlueCtorShim(def_id, _) => def_id, } } /// Returns the `DefId` of instances which might not require codegen locally. pub fn def_id_if_not_guaranteed_local_codegen(self) -> Option { match self { - ty::InstanceDef::Item(def) => Some(def), - ty::InstanceDef::DropGlue(def_id, Some(_)) - | InstanceDef::AsyncDropGlueCtorShim(def_id, _) - | InstanceDef::ThreadLocalShim(def_id) => Some(def_id), - InstanceDef::VTableShim(..) - | InstanceDef::ReifyShim(..) - | InstanceDef::FnPtrShim(..) - | InstanceDef::Virtual(..) - | InstanceDef::Intrinsic(..) - | InstanceDef::ClosureOnceShim { .. } - | ty::InstanceDef::ConstructCoroutineInClosureShim { .. } - | ty::InstanceDef::CoroutineKindShim { .. } - | InstanceDef::DropGlue(..) - | InstanceDef::CloneShim(..) - | InstanceDef::FnPtrAddrShim(..) => None, + ty::InstanceKind::Item(def) => Some(def), + ty::InstanceKind::DropGlue(def_id, Some(_)) + | InstanceKind::AsyncDropGlueCtorShim(def_id, _) + | InstanceKind::ThreadLocalShim(def_id) => Some(def_id), + InstanceKind::VTableShim(..) + | InstanceKind::ReifyShim(..) + | InstanceKind::FnPtrShim(..) + | InstanceKind::Virtual(..) + | InstanceKind::Intrinsic(..) + | InstanceKind::ClosureOnceShim { .. } + | ty::InstanceKind::ConstructCoroutineInClosureShim { .. } + | ty::InstanceKind::CoroutineKindShim { .. } + | InstanceKind::DropGlue(..) + | InstanceKind::CloneShim(..) + | InstanceKind::FnPtrAddrShim(..) => None, } } @@ -289,10 +289,10 @@ impl<'tcx> InstanceDef<'tcx> { pub fn requires_inline(&self, tcx: TyCtxt<'tcx>) -> bool { use rustc_hir::definitions::DefPathData; let def_id = match *self { - ty::InstanceDef::Item(def) => def, - ty::InstanceDef::DropGlue(_, Some(_)) => return false, - ty::InstanceDef::AsyncDropGlueCtorShim(_, Some(_)) => return false, - ty::InstanceDef::ThreadLocalShim(_) => return false, + ty::InstanceKind::Item(def) => def, + ty::InstanceKind::DropGlue(_, Some(_)) => return false, + ty::InstanceKind::AsyncDropGlueCtorShim(_, Some(_)) => return false, + ty::InstanceKind::ThreadLocalShim(_) => return false, _ => return true, }; matches!( @@ -312,7 +312,7 @@ impl<'tcx> InstanceDef<'tcx> { if self.requires_inline(tcx) { return true; } - if let ty::InstanceDef::DropGlue(.., Some(ty)) = *self { + if let ty::InstanceKind::DropGlue(.., Some(ty)) = *self { // Drop glue generally wants to be instantiated at every codegen // unit, but without an #[inline] hint. We should make this // available to normal end-users. @@ -332,7 +332,7 @@ impl<'tcx> InstanceDef<'tcx> { .map_or_else(|| adt_def.is_enum(), |dtor| tcx.cross_crate_inlinable(dtor.did)) }); } - if let ty::InstanceDef::ThreadLocalShim(..) = *self { + if let ty::InstanceKind::ThreadLocalShim(..) = *self { return false; } tcx.cross_crate_inlinable(self.def_id()) @@ -340,10 +340,10 @@ impl<'tcx> InstanceDef<'tcx> { pub fn requires_caller_location(&self, tcx: TyCtxt<'_>) -> bool { match *self { - InstanceDef::Item(def_id) | InstanceDef::Virtual(def_id, _) => { + InstanceKind::Item(def_id) | InstanceKind::Virtual(def_id, _) => { tcx.body_codegen_attrs(def_id).flags.contains(CodegenFnAttrFlags::TRACK_CALLER) } - InstanceDef::ClosureOnceShim { call_once: _, track_caller } => track_caller, + InstanceKind::ClosureOnceShim { call_once: _, track_caller } => track_caller, _ => false, } } @@ -356,22 +356,22 @@ impl<'tcx> InstanceDef<'tcx> { /// body should perform necessary instantiations. pub fn has_polymorphic_mir_body(&self) -> bool { match *self { - InstanceDef::CloneShim(..) - | InstanceDef::ThreadLocalShim(..) - | InstanceDef::FnPtrAddrShim(..) - | InstanceDef::FnPtrShim(..) - | InstanceDef::DropGlue(_, Some(_)) - | InstanceDef::AsyncDropGlueCtorShim(_, Some(_)) => false, - InstanceDef::ClosureOnceShim { .. } - | InstanceDef::ConstructCoroutineInClosureShim { .. } - | InstanceDef::CoroutineKindShim { .. } - | InstanceDef::DropGlue(..) - | InstanceDef::AsyncDropGlueCtorShim(..) - | InstanceDef::Item(_) - | InstanceDef::Intrinsic(..) - | InstanceDef::ReifyShim(..) - | InstanceDef::Virtual(..) - | InstanceDef::VTableShim(..) => true, + InstanceKind::CloneShim(..) + | InstanceKind::ThreadLocalShim(..) + | InstanceKind::FnPtrAddrShim(..) + | InstanceKind::FnPtrShim(..) + | InstanceKind::DropGlue(_, Some(_)) + | InstanceKind::AsyncDropGlueCtorShim(_, Some(_)) => false, + InstanceKind::ClosureOnceShim { .. } + | InstanceKind::ConstructCoroutineInClosureShim { .. } + | InstanceKind::CoroutineKindShim { .. } + | InstanceKind::DropGlue(..) + | InstanceKind::AsyncDropGlueCtorShim(..) + | InstanceKind::Item(_) + | InstanceKind::Intrinsic(..) + | InstanceKind::ReifyShim(..) + | InstanceKind::Virtual(..) + | InstanceKind::VTableShim(..) => true, } } } @@ -395,24 +395,24 @@ fn fmt_instance( })?; match instance.def { - InstanceDef::Item(_) => Ok(()), - InstanceDef::VTableShim(_) => write!(f, " - shim(vtable)"), - InstanceDef::ReifyShim(_, None) => write!(f, " - shim(reify)"), - InstanceDef::ReifyShim(_, Some(ReifyReason::FnPtr)) => write!(f, " - shim(reify-fnptr)"), - InstanceDef::ReifyShim(_, Some(ReifyReason::Vtable)) => write!(f, " - shim(reify-vtable)"), - InstanceDef::ThreadLocalShim(_) => write!(f, " - shim(tls)"), - InstanceDef::Intrinsic(_) => write!(f, " - intrinsic"), - InstanceDef::Virtual(_, num) => write!(f, " - virtual#{num}"), - InstanceDef::FnPtrShim(_, ty) => write!(f, " - shim({ty})"), - InstanceDef::ClosureOnceShim { .. } => write!(f, " - shim"), - InstanceDef::ConstructCoroutineInClosureShim { .. } => write!(f, " - shim"), - InstanceDef::CoroutineKindShim { .. } => write!(f, " - shim"), - InstanceDef::DropGlue(_, None) => write!(f, " - shim(None)"), - InstanceDef::DropGlue(_, Some(ty)) => write!(f, " - shim(Some({ty}))"), - InstanceDef::CloneShim(_, ty) => write!(f, " - shim({ty})"), - InstanceDef::FnPtrAddrShim(_, ty) => write!(f, " - shim({ty})"), - InstanceDef::AsyncDropGlueCtorShim(_, None) => write!(f, " - shim(None)"), - InstanceDef::AsyncDropGlueCtorShim(_, Some(ty)) => write!(f, " - shim(Some({ty}))"), + InstanceKind::Item(_) => Ok(()), + InstanceKind::VTableShim(_) => write!(f, " - shim(vtable)"), + InstanceKind::ReifyShim(_, None) => write!(f, " - shim(reify)"), + InstanceKind::ReifyShim(_, Some(ReifyReason::FnPtr)) => write!(f, " - shim(reify-fnptr)"), + InstanceKind::ReifyShim(_, Some(ReifyReason::Vtable)) => write!(f, " - shim(reify-vtable)"), + InstanceKind::ThreadLocalShim(_) => write!(f, " - shim(tls)"), + InstanceKind::Intrinsic(_) => write!(f, " - intrinsic"), + InstanceKind::Virtual(_, num) => write!(f, " - virtual#{num}"), + InstanceKind::FnPtrShim(_, ty) => write!(f, " - shim({ty})"), + InstanceKind::ClosureOnceShim { .. } => write!(f, " - shim"), + InstanceKind::ConstructCoroutineInClosureShim { .. } => write!(f, " - shim"), + InstanceKind::CoroutineKindShim { .. } => write!(f, " - shim"), + InstanceKind::DropGlue(_, None) => write!(f, " - shim(None)"), + InstanceKind::DropGlue(_, Some(ty)) => write!(f, " - shim(Some({ty}))"), + InstanceKind::CloneShim(_, ty) => write!(f, " - shim({ty})"), + InstanceKind::FnPtrAddrShim(_, ty) => write!(f, " - shim({ty})"), + InstanceKind::AsyncDropGlueCtorShim(_, None) => write!(f, " - shim(None)"), + InstanceKind::AsyncDropGlueCtorShim(_, Some(ty)) => write!(f, " - shim(Some({ty}))"), } } @@ -434,9 +434,9 @@ impl<'tcx> Instance<'tcx> { pub fn new(def_id: DefId, args: GenericArgsRef<'tcx>) -> Instance<'tcx> { assert!( !args.has_escaping_bound_vars(), - "args of instance {def_id:?} not normalized for codegen: {args:?}" + "args of instance {def_id:?} has escaping bound vars: {args:?}" ); - Instance { def: InstanceDef::Item(def_id), args } + Instance { def: InstanceKind::Item(def_id), args } } pub fn mono(tcx: TyCtxt<'tcx>, def_id: DefId) -> Instance<'tcx> { @@ -526,13 +526,13 @@ impl<'tcx> Instance<'tcx> { let reason = tcx.sess.is_sanitizer_kcfi_enabled().then_some(ReifyReason::FnPtr); Instance::resolve(tcx, param_env, def_id, args).ok().flatten().map(|mut resolved| { match resolved.def { - InstanceDef::Item(def) if resolved.def.requires_caller_location(tcx) => { + InstanceKind::Item(def) if resolved.def.requires_caller_location(tcx) => { debug!(" => fn pointer created for function with #[track_caller]"); - resolved.def = InstanceDef::ReifyShim(def, reason); + resolved.def = InstanceKind::ReifyShim(def, reason); } - InstanceDef::Virtual(def_id, _) => { + InstanceKind::Virtual(def_id, _) => { debug!(" => fn pointer created for virtual call"); - resolved.def = InstanceDef::ReifyShim(def_id, reason); + resolved.def = InstanceKind::ReifyShim(def_id, reason); } // Reify `Trait::method` implementations if KCFI is enabled // FIXME(maurer) only reify it if it is a vtable-safe function @@ -544,7 +544,7 @@ impl<'tcx> Instance<'tcx> { { // If this function could also go in a vtable, we need to `ReifyShim` it with // KCFI because it can only attach one type per function. - resolved.def = InstanceDef::ReifyShim(resolved.def_id(), reason) + resolved.def = InstanceKind::ReifyShim(resolved.def_id(), reason) } // Reify `::call`-like method implementations if KCFI is enabled _ if tcx.sess.is_sanitizer_kcfi_enabled() @@ -553,7 +553,7 @@ impl<'tcx> Instance<'tcx> { // Reroute through a reify via the *unresolved* instance. The resolved one can't // be directly reified because it's closure-like. The reify can handle the // unresolved instance. - resolved = Instance { def: InstanceDef::ReifyShim(def_id, reason), args } + resolved = Instance { def: InstanceKind::ReifyShim(def_id, reason), args } } _ => {} } @@ -575,12 +575,12 @@ impl<'tcx> Instance<'tcx> { && tcx.generics_of(def_id).has_self; if is_vtable_shim { debug!(" => associated item with unsizeable self: Self"); - Some(Instance { def: InstanceDef::VTableShim(def_id), args }) + Some(Instance { def: InstanceKind::VTableShim(def_id), args }) } else { let reason = tcx.sess.is_sanitizer_kcfi_enabled().then_some(ReifyReason::Vtable); Instance::resolve(tcx, param_env, def_id, args).ok().flatten().map(|mut resolved| { match resolved.def { - InstanceDef::Item(def) => { + InstanceKind::Item(def) => { // We need to generate a shim when we cannot guarantee that // the caller of a trait object method will be aware of // `#[track_caller]` - this ensures that the caller @@ -614,18 +614,18 @@ impl<'tcx> Instance<'tcx> { // Create a shim for the `FnOnce/FnMut/Fn` method we are calling // - unlike functions, invoking a closure always goes through a // trait. - resolved = Instance { def: InstanceDef::ReifyShim(def_id, reason), args }; + resolved = Instance { def: InstanceKind::ReifyShim(def_id, reason), args }; } else { debug!( " => vtable fn pointer created for function with #[track_caller]: {:?}", def ); - resolved.def = InstanceDef::ReifyShim(def, reason); + resolved.def = InstanceKind::ReifyShim(def, reason); } } } - InstanceDef::Virtual(def_id, _) => { + InstanceKind::Virtual(def_id, _) => { debug!(" => vtable fn pointer created for virtual call"); - resolved.def = InstanceDef::ReifyShim(def_id, reason) + resolved.def = InstanceKind::ReifyShim(def_id, reason) } _ => {} } @@ -676,7 +676,7 @@ impl<'tcx> Instance<'tcx> { .def_id; let track_caller = tcx.codegen_fn_attrs(closure_did).flags.contains(CodegenFnAttrFlags::TRACK_CALLER); - let def = ty::InstanceDef::ClosureOnceShim { call_once, track_caller }; + let def = ty::InstanceKind::ClosureOnceShim { call_once, track_caller }; let self_ty = Ty::new_closure(tcx, closure_did, args); @@ -733,10 +733,10 @@ impl<'tcx> Instance<'tcx> { // If the closure's kind ty disagrees with the identity closure's kind ty, // then this must be a coroutine generated by one of the `ConstructCoroutineInClosureShim`s. if args.as_coroutine().kind_ty() == id_args.as_coroutine().kind_ty() { - Some(Instance { def: ty::InstanceDef::Item(coroutine_def_id), args }) + Some(Instance { def: ty::InstanceKind::Item(coroutine_def_id), args }) } else { Some(Instance { - def: ty::InstanceDef::CoroutineKindShim { coroutine_def_id }, + def: ty::InstanceKind::CoroutineKindShim { coroutine_def_id }, args, }) } @@ -749,7 +749,7 @@ impl<'tcx> Instance<'tcx> { } } - /// Depending on the kind of `InstanceDef`, the MIR body associated with an + /// Depending on the kind of `InstanceKind`, the MIR body associated with an /// instance is expressed in terms of the generic parameters of `self.def_id()`, and in other /// cases the MIR body is expressed in terms of the types found in the generic parameter array. /// In the former case, we want to instantiate those generic types and replace them with the @@ -832,7 +832,7 @@ impl<'tcx> Instance<'tcx> { fn polymorphize<'tcx>( tcx: TyCtxt<'tcx>, - instance: ty::InstanceDef<'tcx>, + instance: ty::InstanceKind<'tcx>, args: GenericArgsRef<'tcx>, ) -> GenericArgsRef<'tcx> { debug!("polymorphize({:?}, {:?})", instance, args); @@ -873,7 +873,7 @@ fn polymorphize<'tcx>( match *ty.kind() { ty::Closure(def_id, args) => { let polymorphized_args = - polymorphize(self.tcx, ty::InstanceDef::Item(def_id), args); + polymorphize(self.tcx, ty::InstanceKind::Item(def_id), args); if args == polymorphized_args { ty } else { @@ -882,7 +882,7 @@ fn polymorphize<'tcx>( } ty::Coroutine(def_id, args) => { let polymorphized_args = - polymorphize(self.tcx, ty::InstanceDef::Item(def_id), args); + polymorphize(self.tcx, ty::InstanceKind::Item(def_id), args); if args == polymorphized_args { ty } else { diff --git a/compiler/rustc_middle/src/ty/layout.rs b/compiler/rustc_middle/src/ty/layout.rs index 02c0d41f6190..cf7610bb4f61 100644 --- a/compiler/rustc_middle/src/ty/layout.rs +++ b/compiler/rustc_middle/src/ty/layout.rs @@ -1302,7 +1302,7 @@ pub trait FnAbiOf<'tcx>: FnAbiOfHelpers<'tcx> { /// Compute a `FnAbi` suitable for indirect calls, i.e. to `fn` pointers. /// /// NB: this doesn't handle virtual calls - those should use `fn_abi_of_instance` - /// instead, where the instance is an `InstanceDef::Virtual`. + /// instead, where the instance is an `InstanceKind::Virtual`. #[inline] fn fn_abi_of_fn_ptr( &self, @@ -1322,7 +1322,7 @@ pub trait FnAbiOf<'tcx>: FnAbiOfHelpers<'tcx> { /// direct calls to an `fn`. /// /// NB: that includes virtual calls, which are represented by "direct calls" - /// to an `InstanceDef::Virtual` instance (of `::fn`). + /// to an `InstanceKind::Virtual` instance (of `::fn`). #[inline] #[tracing::instrument(level = "debug", skip(self))] fn fn_abi_of_instance( diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs index 5a94a53e175e..fb3dcac47287 100644 --- a/compiler/rustc_middle/src/ty/mod.rs +++ b/compiler/rustc_middle/src/ty/mod.rs @@ -92,7 +92,7 @@ pub use self::context::{ tls, CtxtInterners, CurrentGcx, DeducedParamAttrs, Feed, FreeRegionInfo, GlobalCtxt, Lift, TyCtxt, TyCtxtFeed, }; -pub use self::instance::{Instance, InstanceDef, ReifyReason, ShortInstance, UnusedGenericParams}; +pub use self::instance::{Instance, InstanceKind, ReifyReason, ShortInstance, UnusedGenericParams}; pub use self::list::{List, ListWithCachedTypeInfo}; pub use self::parameterized::ParameterizedOverTcx; pub use self::pattern::{Pattern, PatternKind}; @@ -1731,11 +1731,11 @@ impl<'tcx> TyCtxt<'tcx> { } } - /// Returns the possibly-auto-generated MIR of a [`ty::InstanceDef`]. + /// Returns the possibly-auto-generated MIR of a [`ty::InstanceKind`]. #[instrument(skip(self), level = "debug")] - pub fn instance_mir(self, instance: ty::InstanceDef<'tcx>) -> &'tcx Body<'tcx> { + pub fn instance_mir(self, instance: ty::InstanceKind<'tcx>) -> &'tcx Body<'tcx> { match instance { - ty::InstanceDef::Item(def) => { + ty::InstanceKind::Item(def) => { debug!("calling def_kind on def: {:?}", def); let def_kind = self.def_kind(def); debug!("returned from def_kind: {:?}", def_kind); @@ -1751,19 +1751,19 @@ impl<'tcx> TyCtxt<'tcx> { _ => self.optimized_mir(def), } } - ty::InstanceDef::VTableShim(..) - | ty::InstanceDef::ReifyShim(..) - | ty::InstanceDef::Intrinsic(..) - | ty::InstanceDef::FnPtrShim(..) - | ty::InstanceDef::Virtual(..) - | ty::InstanceDef::ClosureOnceShim { .. } - | ty::InstanceDef::ConstructCoroutineInClosureShim { .. } - | ty::InstanceDef::CoroutineKindShim { .. } - | ty::InstanceDef::DropGlue(..) - | ty::InstanceDef::CloneShim(..) - | ty::InstanceDef::ThreadLocalShim(..) - | ty::InstanceDef::FnPtrAddrShim(..) - | ty::InstanceDef::AsyncDropGlueCtorShim(..) => self.mir_shims(instance), + ty::InstanceKind::VTableShim(..) + | ty::InstanceKind::ReifyShim(..) + | ty::InstanceKind::Intrinsic(..) + | ty::InstanceKind::FnPtrShim(..) + | ty::InstanceKind::Virtual(..) + | ty::InstanceKind::ClosureOnceShim { .. } + | ty::InstanceKind::ConstructCoroutineInClosureShim { .. } + | ty::InstanceKind::CoroutineKindShim { .. } + | ty::InstanceKind::DropGlue(..) + | ty::InstanceKind::CloneShim(..) + | ty::InstanceKind::ThreadLocalShim(..) + | ty::InstanceKind::FnPtrAddrShim(..) + | ty::InstanceKind::AsyncDropGlueCtorShim(..) => self.mir_shims(instance), } } diff --git a/compiler/rustc_mir_transform/src/coroutine.rs b/compiler/rustc_mir_transform/src/coroutine.rs index 84512e81637e..bf79b4e133a9 100644 --- a/compiler/rustc_mir_transform/src/coroutine.rs +++ b/compiler/rustc_mir_transform/src/coroutine.rs @@ -68,7 +68,7 @@ use rustc_index::{Idx, IndexVec}; use rustc_middle::mir::visit::{MutVisitor, PlaceContext, Visitor}; use rustc_middle::mir::*; use rustc_middle::ty::CoroutineArgs; -use rustc_middle::ty::InstanceDef; +use rustc_middle::ty::InstanceKind; use rustc_middle::ty::{self, CoroutineArgsExt, Ty, TyCtxt}; use rustc_middle::{bug, span_bug}; use rustc_mir_dataflow::impls::{ @@ -1276,7 +1276,7 @@ fn create_coroutine_drop_shim<'tcx>( // Update the body's def to become the drop glue. let coroutine_instance = body.source.instance; let drop_in_place = tcx.require_lang_item(LangItem::DropInPlace, None); - let drop_instance = InstanceDef::DropGlue(drop_in_place, Some(coroutine_ty)); + let drop_instance = InstanceKind::DropGlue(drop_in_place, Some(coroutine_ty)); // Temporary change MirSource to coroutine's instance so that dump_mir produces more sensible // filename. diff --git a/compiler/rustc_mir_transform/src/coroutine/by_move_body.rs b/compiler/rustc_mir_transform/src/coroutine/by_move_body.rs index 10c0567eb4b7..69d21a63f557 100644 --- a/compiler/rustc_mir_transform/src/coroutine/by_move_body.rs +++ b/compiler/rustc_mir_transform/src/coroutine/by_move_body.rs @@ -75,7 +75,7 @@ use rustc_middle::bug; use rustc_middle::hir::place::{Projection, ProjectionKind}; use rustc_middle::mir::visit::MutVisitor; use rustc_middle::mir::{self, dump_mir, MirPass}; -use rustc_middle::ty::{self, InstanceDef, Ty, TyCtxt, TypeVisitableExt}; +use rustc_middle::ty::{self, InstanceKind, Ty, TyCtxt, TypeVisitableExt}; use rustc_target::abi::{FieldIdx, VariantIdx}; pub struct ByMoveBody; @@ -102,7 +102,7 @@ impl<'tcx> MirPass<'tcx> for ByMoveBody { // We don't need to generate a by-move coroutine if the coroutine body was // produced by the `CoroutineKindShim`, since it's already by-move. - if matches!(body.source.instance, ty::InstanceDef::CoroutineKindShim { .. }) { + if matches!(body.source.instance, ty::InstanceKind::CoroutineKindShim { .. }) { return; } @@ -193,7 +193,7 @@ impl<'tcx> MirPass<'tcx> for ByMoveBody { MakeByMoveBody { tcx, field_remapping, by_move_coroutine_ty }.visit_body(&mut by_move_body); dump_mir(tcx, false, "coroutine_by_move", &0, &by_move_body, |_, _| Ok(())); // FIXME: use query feeding to generate the body right here and then only store the `DefId` of the new body. - by_move_body.source = mir::MirSource::from_instance(InstanceDef::CoroutineKindShim { + by_move_body.source = mir::MirSource::from_instance(InstanceKind::CoroutineKindShim { coroutine_def_id: coroutine_def_id.to_def_id(), }); body.coroutine.as_mut().unwrap().by_move_body = Some(by_move_body); diff --git a/compiler/rustc_mir_transform/src/coverage/query.rs b/compiler/rustc_mir_transform/src/coverage/query.rs index 65715253647a..25744009be8b 100644 --- a/compiler/rustc_mir_transform/src/coverage/query.rs +++ b/compiler/rustc_mir_transform/src/coverage/query.rs @@ -49,7 +49,7 @@ fn is_eligible_for_coverage(tcx: TyCtxt<'_>, def_id: LocalDefId) -> bool { /// Query implementation for `coverage_ids_info`. fn coverage_ids_info<'tcx>( tcx: TyCtxt<'tcx>, - instance_def: ty::InstanceDef<'tcx>, + instance_def: ty::InstanceKind<'tcx>, ) -> CoverageIdsInfo { let mir_body = tcx.instance_mir(instance_def); diff --git a/compiler/rustc_mir_transform/src/inline.rs b/compiler/rustc_mir_transform/src/inline.rs index 2cbe0a01e9ec..d04bb8d302e2 100644 --- a/compiler/rustc_mir_transform/src/inline.rs +++ b/compiler/rustc_mir_transform/src/inline.rs @@ -10,7 +10,7 @@ use rustc_middle::middle::codegen_fn_attrs::{CodegenFnAttrFlags, CodegenFnAttrs} use rustc_middle::mir::visit::*; use rustc_middle::mir::*; use rustc_middle::ty::TypeVisitableExt; -use rustc_middle::ty::{self, Instance, InstanceDef, ParamEnv, Ty, TyCtxt}; +use rustc_middle::ty::{self, Instance, InstanceKind, ParamEnv, Ty, TyCtxt}; use rustc_session::config::{DebugInfo, OptLevel}; use rustc_span::source_map::Spanned; use rustc_span::sym; @@ -293,7 +293,7 @@ impl<'tcx> Inliner<'tcx> { } match callee.def { - InstanceDef::Item(_) => { + InstanceKind::Item(_) => { // If there is no MIR available (either because it was not in metadata or // because it has no MIR because it's an extern function), then the inliner // won't cause cycles on this. @@ -302,24 +302,24 @@ impl<'tcx> Inliner<'tcx> { } } // These have no own callable MIR. - InstanceDef::Intrinsic(_) | InstanceDef::Virtual(..) => { + InstanceKind::Intrinsic(_) | InstanceKind::Virtual(..) => { return Err("instance without MIR (intrinsic / virtual)"); } // This cannot result in an immediate cycle since the callee MIR is a shim, which does // not get any optimizations run on it. Any subsequent inlining may cause cycles, but we // do not need to catch this here, we can wait until the inliner decides to continue // inlining a second time. - InstanceDef::VTableShim(_) - | InstanceDef::ReifyShim(..) - | InstanceDef::FnPtrShim(..) - | InstanceDef::ClosureOnceShim { .. } - | InstanceDef::ConstructCoroutineInClosureShim { .. } - | InstanceDef::CoroutineKindShim { .. } - | InstanceDef::DropGlue(..) - | InstanceDef::CloneShim(..) - | InstanceDef::ThreadLocalShim(..) - | InstanceDef::FnPtrAddrShim(..) - | InstanceDef::AsyncDropGlueCtorShim(..) => return Ok(()), + InstanceKind::VTableShim(_) + | InstanceKind::ReifyShim(..) + | InstanceKind::FnPtrShim(..) + | InstanceKind::ClosureOnceShim { .. } + | InstanceKind::ConstructCoroutineInClosureShim { .. } + | InstanceKind::CoroutineKindShim { .. } + | InstanceKind::DropGlue(..) + | InstanceKind::CloneShim(..) + | InstanceKind::ThreadLocalShim(..) + | InstanceKind::FnPtrAddrShim(..) + | InstanceKind::AsyncDropGlueCtorShim(..) => return Ok(()), } if self.tcx.is_constructor(callee_def_id) { @@ -372,7 +372,7 @@ impl<'tcx> Inliner<'tcx> { let callee = Instance::resolve(self.tcx, self.param_env, def_id, args).ok().flatten()?; - if let InstanceDef::Virtual(..) | InstanceDef::Intrinsic(_) = callee.def { + if let InstanceKind::Virtual(..) | InstanceKind::Intrinsic(_) = callee.def { return None; } @@ -384,7 +384,7 @@ impl<'tcx> Inliner<'tcx> { // Additionally, check that the body that we're inlining actually agrees // with the ABI of the trait that the item comes from. - if let InstanceDef::Item(instance_def_id) = callee.def + if let InstanceKind::Item(instance_def_id) = callee.def && self.tcx.def_kind(instance_def_id) == DefKind::AssocFn && let instance_fn_sig = self.tcx.fn_sig(instance_def_id).skip_binder() && instance_fn_sig.abi() != fn_sig.abi() @@ -1063,10 +1063,10 @@ impl<'tcx> MutVisitor<'tcx> for Integrator<'_, 'tcx> { #[instrument(skip(tcx), level = "debug")] fn try_instance_mir<'tcx>( tcx: TyCtxt<'tcx>, - instance: InstanceDef<'tcx>, + instance: InstanceKind<'tcx>, ) -> Result<&'tcx Body<'tcx>, &'static str> { - if let ty::InstanceDef::DropGlue(_, Some(ty)) - | ty::InstanceDef::AsyncDropGlueCtorShim(_, Some(ty)) = instance + if let ty::InstanceKind::DropGlue(_, Some(ty)) + | ty::InstanceKind::AsyncDropGlueCtorShim(_, Some(ty)) = instance && let ty::Adt(def, args) = ty.kind() { let fields = def.all_fields(); diff --git a/compiler/rustc_mir_transform/src/inline/cycle.rs b/compiler/rustc_mir_transform/src/inline/cycle.rs index 8c5f965108bd..35bcd24ce95b 100644 --- a/compiler/rustc_mir_transform/src/inline/cycle.rs +++ b/compiler/rustc_mir_transform/src/inline/cycle.rs @@ -3,7 +3,7 @@ use rustc_data_structures::stack::ensure_sufficient_stack; use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_middle::mir::TerminatorKind; use rustc_middle::ty::TypeVisitableExt; -use rustc_middle::ty::{self, GenericArgsRef, InstanceDef, TyCtxt}; +use rustc_middle::ty::{self, GenericArgsRef, InstanceKind, TyCtxt}; use rustc_session::Limit; use rustc_span::sym; @@ -22,7 +22,7 @@ pub(crate) fn mir_callgraph_reachable<'tcx>( "you should not call `mir_callgraph_reachable` on immediate self recursion" ); assert!( - matches!(root.def, InstanceDef::Item(_)), + matches!(root.def, InstanceKind::Item(_)), "you should not call `mir_callgraph_reachable` on shims" ); assert!( @@ -70,7 +70,7 @@ pub(crate) fn mir_callgraph_reachable<'tcx>( } match callee.def { - InstanceDef::Item(_) => { + InstanceKind::Item(_) => { // If there is no MIR available (either because it was not in metadata or // because it has no MIR because it's an extern function), then the inliner // won't cause cycles on this. @@ -80,24 +80,24 @@ pub(crate) fn mir_callgraph_reachable<'tcx>( } } // These have no own callable MIR. - InstanceDef::Intrinsic(_) | InstanceDef::Virtual(..) => continue, + InstanceKind::Intrinsic(_) | InstanceKind::Virtual(..) => continue, // These have MIR and if that MIR is inlined, instantiated and then inlining is run // again, a function item can end up getting inlined. Thus we'll be able to cause // a cycle that way - InstanceDef::VTableShim(_) - | InstanceDef::ReifyShim(..) - | InstanceDef::FnPtrShim(..) - | InstanceDef::ClosureOnceShim { .. } - | InstanceDef::ConstructCoroutineInClosureShim { .. } - | InstanceDef::CoroutineKindShim { .. } - | InstanceDef::ThreadLocalShim { .. } - | InstanceDef::CloneShim(..) => {} + InstanceKind::VTableShim(_) + | InstanceKind::ReifyShim(..) + | InstanceKind::FnPtrShim(..) + | InstanceKind::ClosureOnceShim { .. } + | InstanceKind::ConstructCoroutineInClosureShim { .. } + | InstanceKind::CoroutineKindShim { .. } + | InstanceKind::ThreadLocalShim { .. } + | InstanceKind::CloneShim(..) => {} // This shim does not call any other functions, thus there can be no recursion. - InstanceDef::FnPtrAddrShim(..) => { + InstanceKind::FnPtrAddrShim(..) => { continue; } - InstanceDef::DropGlue(..) | InstanceDef::AsyncDropGlueCtorShim(..) => { + InstanceKind::DropGlue(..) | InstanceKind::AsyncDropGlueCtorShim(..) => { // FIXME: A not fully instantiated drop shim can cause ICEs if one attempts to // have its MIR built. Likely oli-obk just screwed up the `ParamEnv`s, so this // needs some more analysis. @@ -151,12 +151,12 @@ pub(crate) fn mir_callgraph_reachable<'tcx>( pub(crate) fn mir_inliner_callees<'tcx>( tcx: TyCtxt<'tcx>, - instance: ty::InstanceDef<'tcx>, + instance: ty::InstanceKind<'tcx>, ) -> &'tcx [(DefId, GenericArgsRef<'tcx>)] { let steal; let guard; let body = match (instance, instance.def_id().as_local()) { - (InstanceDef::Item(_), Some(def_id)) => { + (InstanceKind::Item(_), Some(def_id)) => { steal = tcx.mir_promoted(def_id).0; guard = steal.borrow(); &*guard diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs index 3c0f4e9142b1..afba6781a703 100644 --- a/compiler/rustc_mir_transform/src/lib.rs +++ b/compiler/rustc_mir_transform/src/lib.rs @@ -398,7 +398,7 @@ fn mir_drops_elaborated_and_const_checked(tcx: TyCtxt<'_>, def: LocalDefId) -> & if is_fn_like { // Do not compute the mir call graph without said call graph actually being used. if pm::should_run_pass(tcx, &inline::Inline) { - tcx.ensure_with_value().mir_inliner_callees(ty::InstanceDef::Item(def.to_def_id())); + tcx.ensure_with_value().mir_inliner_callees(ty::InstanceKind::Item(def.to_def_id())); } } diff --git a/compiler/rustc_mir_transform/src/shim.rs b/compiler/rustc_mir_transform/src/shim.rs index d03c2d18c0c3..825f8957187e 100644 --- a/compiler/rustc_mir_transform/src/shim.rs +++ b/compiler/rustc_mir_transform/src/shim.rs @@ -29,16 +29,16 @@ pub fn provide(providers: &mut Providers) { providers.mir_shims = make_shim; } -fn make_shim<'tcx>(tcx: TyCtxt<'tcx>, instance: ty::InstanceDef<'tcx>) -> Body<'tcx> { +fn make_shim<'tcx>(tcx: TyCtxt<'tcx>, instance: ty::InstanceKind<'tcx>) -> Body<'tcx> { debug!("make_shim({:?})", instance); let mut result = match instance { - ty::InstanceDef::Item(..) => bug!("item {:?} passed to make_shim", instance), - ty::InstanceDef::VTableShim(def_id) => { + ty::InstanceKind::Item(..) => bug!("item {:?} passed to make_shim", instance), + ty::InstanceKind::VTableShim(def_id) => { let adjustment = Adjustment::Deref { source: DerefSource::MutPtr }; build_call_shim(tcx, instance, Some(adjustment), CallKind::Direct(def_id)) } - ty::InstanceDef::FnPtrShim(def_id, ty) => { + ty::InstanceKind::FnPtrShim(def_id, ty) => { let trait_ = tcx.trait_of_item(def_id).unwrap(); // Supports `Fn` or `async Fn` traits. let adjustment = match tcx @@ -58,10 +58,10 @@ fn make_shim<'tcx>(tcx: TyCtxt<'tcx>, instance: ty::InstanceDef<'tcx>) -> Body<' // a virtual call, or a direct call to a function for which // indirect calls must be codegen'd differently than direct ones // (such as `#[track_caller]`). - ty::InstanceDef::ReifyShim(def_id, _) => { + ty::InstanceKind::ReifyShim(def_id, _) => { build_call_shim(tcx, instance, None, CallKind::Direct(def_id)) } - ty::InstanceDef::ClosureOnceShim { call_once: _, track_caller: _ } => { + ty::InstanceKind::ClosureOnceShim { call_once: _, track_caller: _ } => { let fn_mut = tcx.require_lang_item(LangItem::FnMut, None); let call_mut = tcx .associated_items(fn_mut) @@ -73,16 +73,16 @@ fn make_shim<'tcx>(tcx: TyCtxt<'tcx>, instance: ty::InstanceDef<'tcx>) -> Body<' build_call_shim(tcx, instance, Some(Adjustment::RefMut), CallKind::Direct(call_mut)) } - ty::InstanceDef::ConstructCoroutineInClosureShim { + ty::InstanceKind::ConstructCoroutineInClosureShim { coroutine_closure_def_id, receiver_by_ref, } => build_construct_coroutine_by_move_shim(tcx, coroutine_closure_def_id, receiver_by_ref), - ty::InstanceDef::CoroutineKindShim { coroutine_def_id } => { + ty::InstanceKind::CoroutineKindShim { coroutine_def_id } => { return tcx.optimized_mir(coroutine_def_id).coroutine_by_move_body().unwrap().clone(); } - ty::InstanceDef::DropGlue(def_id, ty) => { + ty::InstanceKind::DropGlue(def_id, ty) => { // FIXME(#91576): Drop shims for coroutines aren't subject to the MIR passes at the end // of this function. Is this intentional? if let Some(ty::Coroutine(coroutine_def_id, args)) = ty.map(Ty::kind) { @@ -127,16 +127,16 @@ fn make_shim<'tcx>(tcx: TyCtxt<'tcx>, instance: ty::InstanceDef<'tcx>) -> Body<' build_drop_shim(tcx, def_id, ty) } - ty::InstanceDef::ThreadLocalShim(..) => build_thread_local_shim(tcx, instance), - ty::InstanceDef::CloneShim(def_id, ty) => build_clone_shim(tcx, def_id, ty), - ty::InstanceDef::FnPtrAddrShim(def_id, ty) => build_fn_ptr_addr_shim(tcx, def_id, ty), - ty::InstanceDef::AsyncDropGlueCtorShim(def_id, ty) => { + ty::InstanceKind::ThreadLocalShim(..) => build_thread_local_shim(tcx, instance), + ty::InstanceKind::CloneShim(def_id, ty) => build_clone_shim(tcx, def_id, ty), + ty::InstanceKind::FnPtrAddrShim(def_id, ty) => build_fn_ptr_addr_shim(tcx, def_id, ty), + ty::InstanceKind::AsyncDropGlueCtorShim(def_id, ty) => { async_destructor_ctor::build_async_destructor_ctor_shim(tcx, def_id, ty) } - ty::InstanceDef::Virtual(..) => { - bug!("InstanceDef::Virtual ({:?}) is for direct calls only", instance) + ty::InstanceKind::Virtual(..) => { + bug!("InstanceKind::Virtual ({:?}) is for direct calls only", instance) } - ty::InstanceDef::Intrinsic(_) => { + ty::InstanceKind::Intrinsic(_) => { bug!("creating shims from intrinsics ({:?}) is unsupported", instance) } }; @@ -240,7 +240,7 @@ fn build_drop_shim<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId, ty: Option>) block(&mut blocks, TerminatorKind::Goto { target: return_block }); block(&mut blocks, TerminatorKind::Return); - let source = MirSource::from_instance(ty::InstanceDef::DropGlue(def_id, ty)); + let source = MirSource::from_instance(ty::InstanceKind::DropGlue(def_id, ty)); let mut body = new_body(source, blocks, local_decls_for_sig(&sig, span), sig.inputs().len(), span); @@ -392,7 +392,10 @@ impl<'a, 'tcx> DropElaborator<'a, 'tcx> for DropShimElaborator<'a, 'tcx> { } } -fn build_thread_local_shim<'tcx>(tcx: TyCtxt<'tcx>, instance: ty::InstanceDef<'tcx>) -> Body<'tcx> { +fn build_thread_local_shim<'tcx>( + tcx: TyCtxt<'tcx>, + instance: ty::InstanceKind<'tcx>, +) -> Body<'tcx> { let def_id = instance.def_id(); let span = tcx.def_span(def_id); @@ -472,7 +475,7 @@ impl<'tcx> CloneShimBuilder<'tcx> { } fn into_mir(self) -> Body<'tcx> { - let source = MirSource::from_instance(ty::InstanceDef::CloneShim( + let source = MirSource::from_instance(ty::InstanceKind::CloneShim( self.def_id, self.sig.inputs_and_output[0], )); @@ -682,14 +685,14 @@ impl<'tcx> CloneShimBuilder<'tcx> { #[instrument(level = "debug", skip(tcx), ret)] fn build_call_shim<'tcx>( tcx: TyCtxt<'tcx>, - instance: ty::InstanceDef<'tcx>, + instance: ty::InstanceKind<'tcx>, rcvr_adjustment: Option, call_kind: CallKind<'tcx>, ) -> Body<'tcx> { // `FnPtrShim` contains the fn pointer type that a call shim is being built for - this is used // to instantiate into the signature of the shim. It is not necessary for users of this - // MIR body to perform further instantiations (see `InstanceDef::has_polymorphic_mir_body`). - let (sig_args, untuple_args) = if let ty::InstanceDef::FnPtrShim(_, ty) = instance { + // MIR body to perform further instantiations (see `InstanceKind::has_polymorphic_mir_body`). + let (sig_args, untuple_args) = if let ty::InstanceKind::FnPtrShim(_, ty) = instance { let sig = tcx.instantiate_bound_regions_with_erased(ty.fn_sig(tcx)); let untuple_args = sig.inputs(); @@ -741,8 +744,8 @@ fn build_call_shim<'tcx>( } // FIXME(eddyb) avoid having this snippet both here and in - // `Instance::fn_sig` (introduce `InstanceDef::fn_sig`?). - if let ty::InstanceDef::VTableShim(..) = instance { + // `Instance::fn_sig` (introduce `InstanceKind::fn_sig`?). + if let ty::InstanceKind::VTableShim(..) = instance { // Modify fn(self, ...) to fn(self: *mut Self, ...) let mut inputs_and_output = sig.inputs_and_output.to_vec(); let self_arg = &mut inputs_and_output[0]; @@ -1007,7 +1010,7 @@ fn build_fn_ptr_addr_shim<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId, self_ty: Ty<'t terminator: Some(Terminator { source_info, kind: TerminatorKind::Return }), is_cleanup: false, }; - let source = MirSource::from_instance(ty::InstanceDef::FnPtrAddrShim(def_id, self_ty)); + let source = MirSource::from_instance(ty::InstanceKind::FnPtrAddrShim(def_id, self_ty)); new_body(source, IndexVec::from_elem_n(start_block, 1), locals, sig.inputs().len(), span) } @@ -1087,7 +1090,7 @@ fn build_construct_coroutine_by_move_shim<'tcx>( is_cleanup: false, }; - let source = MirSource::from_instance(ty::InstanceDef::ConstructCoroutineInClosureShim { + let source = MirSource::from_instance(ty::InstanceKind::ConstructCoroutineInClosureShim { coroutine_closure_def_id, receiver_by_ref, }); diff --git a/compiler/rustc_mir_transform/src/shim/async_destructor_ctor.rs b/compiler/rustc_mir_transform/src/shim/async_destructor_ctor.rs index 41643f202851..ea4f5fca59e6 100644 --- a/compiler/rustc_mir_transform/src/shim/async_destructor_ctor.rs +++ b/compiler/rustc_mir_transform/src/shim/async_destructor_ctor.rs @@ -529,7 +529,7 @@ impl<'tcx> AsyncDestructorCtorShimBuilder<'tcx> { last_bb.terminator = Some(Terminator { source_info, kind: TerminatorKind::Return }); - let source = MirSource::from_instance(ty::InstanceDef::AsyncDropGlueCtorShim( + let source = MirSource::from_instance(ty::InstanceKind::AsyncDropGlueCtorShim( self.def_id, self.self_ty, )); diff --git a/compiler/rustc_mir_transform/src/validate.rs b/compiler/rustc_mir_transform/src/validate.rs index ea23bbc2a38e..2cca1a6f507b 100644 --- a/compiler/rustc_mir_transform/src/validate.rs +++ b/compiler/rustc_mir_transform/src/validate.rs @@ -10,7 +10,7 @@ use rustc_middle::mir::visit::{NonUseContext, PlaceContext, Visitor}; use rustc_middle::mir::*; use rustc_middle::ty::adjustment::PointerCoercion; use rustc_middle::ty::{ - self, CoroutineArgsExt, InstanceDef, ParamEnv, ScalarInt, Ty, TyCtxt, TypeVisitableExt, + self, CoroutineArgsExt, InstanceKind, ParamEnv, ScalarInt, Ty, TyCtxt, TypeVisitableExt, Variance, }; use rustc_middle::{bug, span_bug}; @@ -44,7 +44,7 @@ impl<'tcx> MirPass<'tcx> for Validator { // terribly important that they pass the validator. However, I think other passes might // still see them, in which case they might be surprised. It would probably be better if we // didn't put this through the MIR pipeline at all. - if matches!(body.source.instance, InstanceDef::Intrinsic(..) | InstanceDef::Virtual(..)) { + if matches!(body.source.instance, InstanceKind::Intrinsic(..) | InstanceKind::Virtual(..)) { return; } let def_id = body.source.def_id(); @@ -95,7 +95,7 @@ impl<'tcx> MirPass<'tcx> for Validator { } if let MirPhase::Runtime(_) = body.phase { - if let ty::InstanceDef::Item(_) = body.source.instance { + if let ty::InstanceKind::Item(_) = body.source.instance { if body.has_free_regions() { cfg_checker.fail( Location::START, diff --git a/compiler/rustc_monomorphize/src/collector.rs b/compiler/rustc_monomorphize/src/collector.rs index 04de1654c1a4..235743fccc89 100644 --- a/compiler/rustc_monomorphize/src/collector.rs +++ b/compiler/rustc_monomorphize/src/collector.rs @@ -224,7 +224,7 @@ use rustc_middle::ty::adjustment::{CustomCoerceUnsized, PointerCoercion}; use rustc_middle::ty::layout::ValidityRequirement; use rustc_middle::ty::print::with_no_trimmed_paths; use rustc_middle::ty::{ - self, AssocKind, GenericParamDefKind, Instance, InstanceDef, Ty, TyCtxt, TypeFoldable, + self, AssocKind, GenericParamDefKind, Instance, InstanceKind, Ty, TyCtxt, TypeFoldable, TypeVisitableExt, VtblEntry, }; use rustc_middle::ty::{GenericArgKind, GenericArgs}; @@ -420,7 +420,7 @@ fn collect_items_rec<'tcx>( used_items.push(respan( starting_item.span, MonoItem::Fn(Instance { - def: InstanceDef::ThreadLocalShim(def_id), + def: InstanceKind::ThreadLocalShim(def_id), args: GenericArgs::empty(), }), )); @@ -938,7 +938,7 @@ fn visit_instance_use<'tcx>( if !should_codegen_locally(tcx, instance) { return; } - if let ty::InstanceDef::Intrinsic(def_id) = instance.def { + if let ty::InstanceKind::Intrinsic(def_id) = instance.def { let name = tcx.item_name(def_id); if let Some(_requirement) = ValidityRequirement::from_intrinsic(name) { // The intrinsics assert_inhabited, assert_zero_valid, and assert_mem_uninitialized_valid will @@ -960,31 +960,31 @@ fn visit_instance_use<'tcx>( } match instance.def { - ty::InstanceDef::Virtual(..) | ty::InstanceDef::Intrinsic(_) => { + ty::InstanceKind::Virtual(..) | ty::InstanceKind::Intrinsic(_) => { if !is_direct_call { bug!("{:?} being reified", instance); } } - ty::InstanceDef::ThreadLocalShim(..) => { + ty::InstanceKind::ThreadLocalShim(..) => { bug!("{:?} being reified", instance); } - ty::InstanceDef::DropGlue(_, None) | ty::InstanceDef::AsyncDropGlueCtorShim(_, None) => { + ty::InstanceKind::DropGlue(_, None) | ty::InstanceKind::AsyncDropGlueCtorShim(_, None) => { // Don't need to emit noop drop glue if we are calling directly. if !is_direct_call { output.push(create_fn_mono_item(tcx, instance, source)); } } - ty::InstanceDef::DropGlue(_, Some(_)) - | ty::InstanceDef::AsyncDropGlueCtorShim(_, Some(_)) - | ty::InstanceDef::VTableShim(..) - | ty::InstanceDef::ReifyShim(..) - | ty::InstanceDef::ClosureOnceShim { .. } - | ty::InstanceDef::ConstructCoroutineInClosureShim { .. } - | ty::InstanceDef::CoroutineKindShim { .. } - | ty::InstanceDef::Item(..) - | ty::InstanceDef::FnPtrShim(..) - | ty::InstanceDef::CloneShim(..) - | ty::InstanceDef::FnPtrAddrShim(..) => { + ty::InstanceKind::DropGlue(_, Some(_)) + | ty::InstanceKind::AsyncDropGlueCtorShim(_, Some(_)) + | ty::InstanceKind::VTableShim(..) + | ty::InstanceKind::ReifyShim(..) + | ty::InstanceKind::ClosureOnceShim { .. } + | ty::InstanceKind::ConstructCoroutineInClosureShim { .. } + | ty::InstanceKind::CoroutineKindShim { .. } + | ty::InstanceKind::Item(..) + | ty::InstanceKind::FnPtrShim(..) + | ty::InstanceKind::CloneShim(..) + | ty::InstanceKind::FnPtrAddrShim(..) => { output.push(create_fn_mono_item(tcx, instance, source)); } } diff --git a/compiler/rustc_monomorphize/src/partitioning.rs b/compiler/rustc_monomorphize/src/partitioning.rs index 14b5b22dc648..9a7c488833a1 100644 --- a/compiler/rustc_monomorphize/src/partitioning.rs +++ b/compiler/rustc_monomorphize/src/partitioning.rs @@ -114,7 +114,7 @@ use rustc_middle::mir::mono::{ }; use rustc_middle::query::Providers; use rustc_middle::ty::print::{characteristic_def_id_of_type, with_no_trimmed_paths}; -use rustc_middle::ty::{self, visit::TypeVisitableExt, InstanceDef, TyCtxt}; +use rustc_middle::ty::{self, visit::TypeVisitableExt, InstanceKind, TyCtxt}; use rustc_session::config::{DumpMonoStatsFormat, SwitchWithOptPath}; use rustc_session::CodegenUnits; use rustc_span::symbol::Symbol; @@ -620,20 +620,20 @@ fn characteristic_def_id_of_mono_item<'tcx>( match mono_item { MonoItem::Fn(instance) => { let def_id = match instance.def { - ty::InstanceDef::Item(def) => def, - ty::InstanceDef::VTableShim(..) - | ty::InstanceDef::ReifyShim(..) - | ty::InstanceDef::FnPtrShim(..) - | ty::InstanceDef::ClosureOnceShim { .. } - | ty::InstanceDef::ConstructCoroutineInClosureShim { .. } - | ty::InstanceDef::CoroutineKindShim { .. } - | ty::InstanceDef::Intrinsic(..) - | ty::InstanceDef::DropGlue(..) - | ty::InstanceDef::Virtual(..) - | ty::InstanceDef::CloneShim(..) - | ty::InstanceDef::ThreadLocalShim(..) - | ty::InstanceDef::FnPtrAddrShim(..) - | ty::InstanceDef::AsyncDropGlueCtorShim(..) => return None, + ty::InstanceKind::Item(def) => def, + ty::InstanceKind::VTableShim(..) + | ty::InstanceKind::ReifyShim(..) + | ty::InstanceKind::FnPtrShim(..) + | ty::InstanceKind::ClosureOnceShim { .. } + | ty::InstanceKind::ConstructCoroutineInClosureShim { .. } + | ty::InstanceKind::CoroutineKindShim { .. } + | ty::InstanceKind::Intrinsic(..) + | ty::InstanceKind::DropGlue(..) + | ty::InstanceKind::Virtual(..) + | ty::InstanceKind::CloneShim(..) + | ty::InstanceKind::ThreadLocalShim(..) + | ty::InstanceKind::FnPtrAddrShim(..) + | ty::InstanceKind::AsyncDropGlueCtorShim(..) => return None, }; // If this is a method, we want to put it into the same module as @@ -777,28 +777,28 @@ fn mono_item_visibility<'tcx>( }; let def_id = match instance.def { - InstanceDef::Item(def_id) - | InstanceDef::DropGlue(def_id, Some(_)) - | InstanceDef::AsyncDropGlueCtorShim(def_id, Some(_)) => def_id, + InstanceKind::Item(def_id) + | InstanceKind::DropGlue(def_id, Some(_)) + | InstanceKind::AsyncDropGlueCtorShim(def_id, Some(_)) => def_id, // We match the visibility of statics here - InstanceDef::ThreadLocalShim(def_id) => { + InstanceKind::ThreadLocalShim(def_id) => { return static_visibility(tcx, can_be_internalized, def_id); } // These are all compiler glue and such, never exported, always hidden. - InstanceDef::VTableShim(..) - | InstanceDef::ReifyShim(..) - | InstanceDef::FnPtrShim(..) - | InstanceDef::Virtual(..) - | InstanceDef::Intrinsic(..) - | InstanceDef::ClosureOnceShim { .. } - | InstanceDef::ConstructCoroutineInClosureShim { .. } - | InstanceDef::CoroutineKindShim { .. } - | InstanceDef::DropGlue(..) - | InstanceDef::AsyncDropGlueCtorShim(..) - | InstanceDef::CloneShim(..) - | InstanceDef::FnPtrAddrShim(..) => return Visibility::Hidden, + InstanceKind::VTableShim(..) + | InstanceKind::ReifyShim(..) + | InstanceKind::FnPtrShim(..) + | InstanceKind::Virtual(..) + | InstanceKind::Intrinsic(..) + | InstanceKind::ClosureOnceShim { .. } + | InstanceKind::ConstructCoroutineInClosureShim { .. } + | InstanceKind::CoroutineKindShim { .. } + | InstanceKind::DropGlue(..) + | InstanceKind::AsyncDropGlueCtorShim(..) + | InstanceKind::CloneShim(..) + | InstanceKind::FnPtrAddrShim(..) => return Visibility::Hidden, }; // The `start_fn` lang item is actually a monomorphized instance of a @@ -813,7 +813,7 @@ fn mono_item_visibility<'tcx>( // internalization, but we have to understand that it's referenced // from the `main` symbol we'll generate later. // - // This may be fixable with a new `InstanceDef` perhaps? Unsure! + // This may be fixable with a new `InstanceKind` perhaps? Unsure! if tcx.is_lang_item(def_id, LangItem::Start) { *can_be_internalized = false; return Visibility::Hidden; diff --git a/compiler/rustc_monomorphize/src/polymorphize.rs b/compiler/rustc_monomorphize/src/polymorphize.rs index c187cb63ee18..2d69bfa4da8e 100644 --- a/compiler/rustc_monomorphize/src/polymorphize.rs +++ b/compiler/rustc_monomorphize/src/polymorphize.rs @@ -33,7 +33,7 @@ pub fn provide(providers: &mut Providers) { /// parameters are used). fn unused_generic_params<'tcx>( tcx: TyCtxt<'tcx>, - instance: ty::InstanceDef<'tcx>, + instance: ty::InstanceKind<'tcx>, ) -> UnusedGenericParams { assert!(instance.def_id().is_local()); @@ -88,7 +88,7 @@ fn unused_generic_params<'tcx>( fn should_polymorphize<'tcx>( tcx: TyCtxt<'tcx>, def_id: DefId, - instance: ty::InstanceDef<'tcx>, + instance: ty::InstanceKind<'tcx>, ) -> bool { // If an instance's MIR body is not polymorphic then the modified generic parameters that are // derived from polymorphization's result won't make any difference. @@ -97,7 +97,7 @@ fn should_polymorphize<'tcx>( } // Don't polymorphize intrinsics or virtual calls - calling `instance_mir` will panic. - if matches!(instance, ty::InstanceDef::Intrinsic(..) | ty::InstanceDef::Virtual(..)) { + if matches!(instance, ty::InstanceKind::Intrinsic(..) | ty::InstanceKind::Virtual(..)) { return false; } @@ -230,7 +230,7 @@ impl<'a, 'tcx> MarkUsedGenericParams<'a, 'tcx> { /// a closure, coroutine or constant). #[instrument(level = "debug", skip(self, def_id, args))] fn visit_child_body(&mut self, def_id: DefId, args: GenericArgsRef<'tcx>) { - let instance = ty::InstanceDef::Item(def_id); + let instance = ty::InstanceKind::Item(def_id); let unused = self.tcx.unused_generic_params(instance); debug!(?self.unused_parameters, ?unused); for (i, arg) in args.iter().enumerate() { diff --git a/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/transform.rs b/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/transform.rs index 2cb0c06e3361..832efb119992 100644 --- a/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/transform.rs +++ b/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/transform.rs @@ -288,9 +288,9 @@ pub fn transform_instance<'tcx>( mut instance: Instance<'tcx>, options: TransformTyOptions, ) -> Instance<'tcx> { - if (matches!(instance.def, ty::InstanceDef::Virtual(..)) + if (matches!(instance.def, ty::InstanceKind::Virtual(..)) && tcx.is_lang_item(instance.def_id(), LangItem::DropInPlace)) - || matches!(instance.def, ty::InstanceDef::DropGlue(..)) + || matches!(instance.def, ty::InstanceKind::DropGlue(..)) { // Adjust the type ids of DropGlues // @@ -316,7 +316,7 @@ pub fn transform_instance<'tcx>( let predicates = tcx.mk_poly_existential_predicates(&[ty::Binder::dummy(predicate)]); let self_ty = Ty::new_dynamic(tcx, predicates, tcx.lifetimes.re_erased, ty::Dyn); instance.args = tcx.mk_args_trait(self_ty, List::empty()); - } else if let ty::InstanceDef::Virtual(def_id, _) = instance.def { + } else if let ty::InstanceKind::Virtual(def_id, _) = instance.def { // Transform self into a trait object of the trait that defines the method for virtual // functions to match the type erasure done below. let upcast_ty = match tcx.trait_of_item(def_id) { @@ -343,7 +343,7 @@ pub fn transform_instance<'tcx>( tcx.types.unit }; instance.args = tcx.mk_args_trait(self_ty, instance.args.into_iter().skip(1)); - } else if let ty::InstanceDef::VTableShim(def_id) = instance.def + } else if let ty::InstanceKind::VTableShim(def_id) = instance.def && let Some(trait_id) = tcx.trait_of_item(def_id) { // Adjust the type ids of VTableShims to the type id expected in the call sites for the @@ -387,7 +387,7 @@ pub fn transform_instance<'tcx>( // If we ever *do* start encoding the vtable index, we will need to generate an alias set // based on which vtables we are putting this method into, as there will be more than one // index value when supertraits are involved. - instance.def = ty::InstanceDef::Virtual(method_id, 0); + instance.def = ty::InstanceKind::Virtual(method_id, 0); let abstract_trait_args = tcx.mk_args_trait(invoke_ty, trait_ref.args.into_iter().skip(1)); instance.args = instance.args.rebase_onto(tcx, impl_id, abstract_trait_args); @@ -442,7 +442,7 @@ pub fn transform_instance<'tcx>( .expect("No call-family function on closure-like Fn trait?") .def_id; - instance.def = ty::InstanceDef::Virtual(call, 0); + instance.def = ty::InstanceKind::Virtual(call, 0); instance.args = abstract_args; } } diff --git a/compiler/rustc_sanitizers/src/kcfi/typeid/mod.rs b/compiler/rustc_sanitizers/src/kcfi/typeid/mod.rs index 436c398e39b0..651ba6124696 100644 --- a/compiler/rustc_sanitizers/src/kcfi/typeid/mod.rs +++ b/compiler/rustc_sanitizers/src/kcfi/typeid/mod.rs @@ -3,7 +3,7 @@ //! //! For more information about LLVM KCFI and cross-language LLVM KCFI support for the Rust compiler, //! see the tracking issue #123479. -use rustc_middle::ty::{Instance, InstanceDef, ReifyReason, Ty, TyCtxt}; +use rustc_middle::ty::{Instance, InstanceKind, ReifyReason, Ty, TyCtxt}; use rustc_target::abi::call::FnAbi; use std::hash::Hasher; use twox_hash::XxHash64; @@ -44,7 +44,7 @@ pub fn typeid_for_instance<'tcx>( // // This was implemented for KCFI support in #123106 and #123052 (which introduced the // ReifyReason). The tracking issue for KCFI support for Rust is #123479. - if matches!(instance.def, InstanceDef::ReifyShim(_, Some(ReifyReason::FnPtr))) { + if matches!(instance.def, InstanceKind::ReifyShim(_, Some(ReifyReason::FnPtr))) { options.insert(TypeIdOptions::USE_CONCRETE_SELF); } // A KCFI type metadata identifier is a 32-bit constant produced by taking the lower half of the diff --git a/compiler/rustc_smir/src/rustc_smir/builder.rs b/compiler/rustc_smir/src/rustc_smir/builder.rs index 577373cbc958..42fa6989ddcf 100644 --- a/compiler/rustc_smir/src/rustc_smir/builder.rs +++ b/compiler/rustc_smir/src/rustc_smir/builder.rs @@ -19,7 +19,7 @@ impl<'tcx> BodyBuilder<'tcx> { pub fn new(tcx: TyCtxt<'tcx>, instance: ty::Instance<'tcx>) -> Self { let instance = match instance.def { // To get the fallback body of an intrinsic, we need to convert it to an item. - ty::InstanceDef::Intrinsic(def_id) => ty::Instance::new(def_id, instance.args), + ty::InstanceKind::Intrinsic(def_id) => ty::Instance::new(def_id, instance.args), _ => instance, }; BodyBuilder { tcx, instance } diff --git a/compiler/rustc_smir/src/rustc_smir/context.rs b/compiler/rustc_smir/src/rustc_smir/context.rs index 4348bc31bf9e..9afd507ce113 100644 --- a/compiler/rustc_smir/src/rustc_smir/context.rs +++ b/compiler/rustc_smir/src/rustc_smir/context.rs @@ -60,7 +60,7 @@ impl<'tcx> Context for TablesWrapper<'tcx> { fn mir_body(&self, item: stable_mir::DefId) -> stable_mir::mir::Body { let mut tables = self.0.borrow_mut(); let def_id = tables[item]; - tables.tcx.instance_mir(rustc_middle::ty::InstanceDef::Item(def_id)).stable(&mut tables) + tables.tcx.instance_mir(rustc_middle::ty::InstanceKind::Item(def_id)).stable(&mut tables) } fn has_body(&self, def: DefId) -> bool { @@ -548,13 +548,13 @@ impl<'tcx> Context for TablesWrapper<'tcx> { fn is_empty_drop_shim(&self, def: InstanceDef) -> bool { let tables = self.0.borrow_mut(); let instance = tables.instances[def]; - matches!(instance.def, ty::InstanceDef::DropGlue(_, None)) + matches!(instance.def, ty::InstanceKind::DropGlue(_, None)) } fn is_empty_async_drop_ctor_shim(&self, def: InstanceDef) -> bool { let tables = self.0.borrow_mut(); let instance = tables.instances[def]; - matches!(instance.def, ty::InstanceDef::AsyncDropGlueCtorShim(_, None)) + matches!(instance.def, ty::InstanceKind::AsyncDropGlueCtorShim(_, None)) } fn mono_instance(&self, def_id: stable_mir::DefId) -> stable_mir::mir::mono::Instance { diff --git a/compiler/rustc_smir/src/rustc_smir/convert/ty.rs b/compiler/rustc_smir/src/rustc_smir/convert/ty.rs index e3cd7187e773..9cd841bba109 100644 --- a/compiler/rustc_smir/src/rustc_smir/convert/ty.rs +++ b/compiler/rustc_smir/src/rustc_smir/convert/ty.rs @@ -839,22 +839,22 @@ impl<'tcx> Stable<'tcx> for ty::Instance<'tcx> { fn stable(&self, tables: &mut Tables<'_>) -> Self::T { let def = tables.instance_def(tables.tcx.lift(*self).unwrap()); let kind = match self.def { - ty::InstanceDef::Item(..) => stable_mir::mir::mono::InstanceKind::Item, - ty::InstanceDef::Intrinsic(..) => stable_mir::mir::mono::InstanceKind::Intrinsic, - ty::InstanceDef::Virtual(_def_id, idx) => { + ty::InstanceKind::Item(..) => stable_mir::mir::mono::InstanceKind::Item, + ty::InstanceKind::Intrinsic(..) => stable_mir::mir::mono::InstanceKind::Intrinsic, + ty::InstanceKind::Virtual(_def_id, idx) => { stable_mir::mir::mono::InstanceKind::Virtual { idx } } - ty::InstanceDef::VTableShim(..) - | ty::InstanceDef::ReifyShim(..) - | ty::InstanceDef::FnPtrAddrShim(..) - | ty::InstanceDef::ClosureOnceShim { .. } - | ty::InstanceDef::ConstructCoroutineInClosureShim { .. } - | ty::InstanceDef::CoroutineKindShim { .. } - | ty::InstanceDef::ThreadLocalShim(..) - | ty::InstanceDef::DropGlue(..) - | ty::InstanceDef::CloneShim(..) - | ty::InstanceDef::FnPtrShim(..) - | ty::InstanceDef::AsyncDropGlueCtorShim(..) => { + ty::InstanceKind::VTableShim(..) + | ty::InstanceKind::ReifyShim(..) + | ty::InstanceKind::FnPtrAddrShim(..) + | ty::InstanceKind::ClosureOnceShim { .. } + | ty::InstanceKind::ConstructCoroutineInClosureShim { .. } + | ty::InstanceKind::CoroutineKindShim { .. } + | ty::InstanceKind::ThreadLocalShim(..) + | ty::InstanceKind::DropGlue(..) + | ty::InstanceKind::CloneShim(..) + | ty::InstanceKind::FnPtrShim(..) + | ty::InstanceKind::AsyncDropGlueCtorShim(..) => { stable_mir::mir::mono::InstanceKind::Shim } }; diff --git a/compiler/rustc_smir/src/rustc_smir/mod.rs b/compiler/rustc_smir/src/rustc_smir/mod.rs index 89f9adfcfd66..82522e995d63 100644 --- a/compiler/rustc_smir/src/rustc_smir/mod.rs +++ b/compiler/rustc_smir/src/rustc_smir/mod.rs @@ -60,9 +60,9 @@ impl<'tcx> Tables<'tcx> { self.item_has_body(def_id) || !matches!( instance.def, - ty::InstanceDef::Virtual(..) - | ty::InstanceDef::Intrinsic(..) - | ty::InstanceDef::Item(..) + ty::InstanceKind::Virtual(..) + | ty::InstanceKind::Intrinsic(..) + | ty::InstanceKind::Item(..) ) } diff --git a/compiler/rustc_symbol_mangling/src/legacy.rs b/compiler/rustc_symbol_mangling/src/legacy.rs index 75cac6c7992a..9edd2ff9b1a5 100644 --- a/compiler/rustc_symbol_mangling/src/legacy.rs +++ b/compiler/rustc_symbol_mangling/src/legacy.rs @@ -56,8 +56,8 @@ pub(super) fn mangle<'tcx>( printer .print_def_path( def_id, - if let ty::InstanceDef::DropGlue(_, _) | ty::InstanceDef::AsyncDropGlueCtorShim(_, _) = - instance.def + if let ty::InstanceKind::DropGlue(_, _) + | ty::InstanceKind::AsyncDropGlueCtorShim(_, _) = instance.def { // Add the name of the dropped type to the symbol name &*instance.args @@ -68,13 +68,13 @@ pub(super) fn mangle<'tcx>( .unwrap(); match instance.def { - ty::InstanceDef::ThreadLocalShim(..) => { + ty::InstanceKind::ThreadLocalShim(..) => { printer.write_str("{{tls-shim}}").unwrap(); } - ty::InstanceDef::VTableShim(..) => { + ty::InstanceKind::VTableShim(..) => { printer.write_str("{{vtable-shim}}").unwrap(); } - ty::InstanceDef::ReifyShim(_, reason) => { + ty::InstanceKind::ReifyShim(_, reason) => { printer.write_str("{{reify-shim").unwrap(); match reason { Some(ReifyReason::FnPtr) => printer.write_str("-fnptr").unwrap(), @@ -85,8 +85,8 @@ pub(super) fn mangle<'tcx>( } // FIXME(async_closures): This shouldn't be needed when we fix // `Instance::ty`/`Instance::def_id`. - ty::InstanceDef::ConstructCoroutineInClosureShim { .. } - | ty::InstanceDef::CoroutineKindShim { .. } => { + ty::InstanceKind::ConstructCoroutineInClosureShim { .. } + | ty::InstanceKind::CoroutineKindShim { .. } => { printer.write_str("{{fn-once-shim}}").unwrap(); } _ => {} diff --git a/compiler/rustc_symbol_mangling/src/v0.rs b/compiler/rustc_symbol_mangling/src/v0.rs index 55479bce6fc8..42c4fa83d1bf 100644 --- a/compiler/rustc_symbol_mangling/src/v0.rs +++ b/compiler/rustc_symbol_mangling/src/v0.rs @@ -43,14 +43,14 @@ pub(super) fn mangle<'tcx>( // Append `::{shim:...#0}` to shims that can coexist with a non-shim instance. let shim_kind = match instance.def { - ty::InstanceDef::ThreadLocalShim(_) => Some("tls"), - ty::InstanceDef::VTableShim(_) => Some("vtable"), - ty::InstanceDef::ReifyShim(_, None) => Some("reify"), - ty::InstanceDef::ReifyShim(_, Some(ReifyReason::FnPtr)) => Some("reify_fnptr"), - ty::InstanceDef::ReifyShim(_, Some(ReifyReason::Vtable)) => Some("reify_vtable"), + ty::InstanceKind::ThreadLocalShim(_) => Some("tls"), + ty::InstanceKind::VTableShim(_) => Some("vtable"), + ty::InstanceKind::ReifyShim(_, None) => Some("reify"), + ty::InstanceKind::ReifyShim(_, Some(ReifyReason::FnPtr)) => Some("reify_fnptr"), + ty::InstanceKind::ReifyShim(_, Some(ReifyReason::Vtable)) => Some("reify_vtable"), - ty::InstanceDef::ConstructCoroutineInClosureShim { .. } - | ty::InstanceDef::CoroutineKindShim { .. } => Some("fn_once"), + ty::InstanceKind::ConstructCoroutineInClosureShim { .. } + | ty::InstanceKind::CoroutineKindShim { .. } => Some("fn_once"), _ => None, }; diff --git a/compiler/rustc_ty_utils/src/abi.rs b/compiler/rustc_ty_utils/src/abi.rs index c5ea85c90dc5..f1dd94839fe1 100644 --- a/compiler/rustc_ty_utils/src/abi.rs +++ b/compiler/rustc_ty_utils/src/abi.rs @@ -5,7 +5,7 @@ use rustc_middle::query::Providers; use rustc_middle::ty::layout::{ fn_can_unwind, FnAbiError, HasParamEnv, HasTyCtxt, LayoutCx, LayoutOf, TyAndLayout, }; -use rustc_middle::ty::{self, InstanceDef, Ty, TyCtxt}; +use rustc_middle::ty::{self, InstanceKind, Ty, TyCtxt}; use rustc_session::config::OptLevel; use rustc_span::def_id::DefId; use rustc_target::abi::call::{ @@ -33,7 +33,7 @@ fn fn_sig_for_fn_abi<'tcx>( instance: ty::Instance<'tcx>, param_env: ty::ParamEnv<'tcx>, ) -> ty::PolyFnSig<'tcx> { - if let InstanceDef::ThreadLocalShim(..) = instance.def { + if let InstanceKind::ThreadLocalShim(..) = instance.def { return ty::Binder::dummy(tcx.mk_fn_sig( [], tcx.thread_local_ptr_ty(instance.def_id()), @@ -63,7 +63,7 @@ fn fn_sig_for_fn_abi<'tcx>( _ => unreachable!(), }; - if let ty::InstanceDef::VTableShim(..) = instance.def { + if let ty::InstanceKind::VTableShim(..) = instance.def { // Modify `fn(self, ...)` to `fn(self: *mut Self, ...)`. sig = sig.map_bound(|mut sig| { let mut inputs_and_output = sig.inputs_and_output.to_vec(); @@ -121,7 +121,7 @@ fn fn_sig_for_fn_abi<'tcx>( let mut coroutine_kind = args.as_coroutine_closure().kind(); let env_ty = - if let InstanceDef::ConstructCoroutineInClosureShim { receiver_by_ref, .. } = + if let InstanceKind::ConstructCoroutineInClosureShim { receiver_by_ref, .. } = instance.def { coroutine_kind = ty::ClosureKind::FnOnce; @@ -174,7 +174,7 @@ fn fn_sig_for_fn_abi<'tcx>( // make sure we respect the `target_kind` in that shim. // FIXME(async_closures): This shouldn't be needed, and we should be populating // a separate def-id for these bodies. - if let InstanceDef::CoroutineKindShim { .. } = instance.def { + if let InstanceKind::CoroutineKindShim { .. } = instance.def { // Grab the parent coroutine-closure. It has the same args for the purposes // of instantiation, so this will be okay to do. let ty::CoroutineClosure(_, coroutine_closure_args) = *tcx @@ -386,7 +386,7 @@ fn fn_abi_of_instance<'tcx>( extra_args, caller_location, Some(instance.def_id()), - matches!(instance.def, ty::InstanceDef::Virtual(..)), + matches!(instance.def, ty::InstanceKind::Virtual(..)), ) } diff --git a/compiler/rustc_ty_utils/src/instance.rs b/compiler/rustc_ty_utils/src/instance.rs index fcd808b59464..c50a490a9dc0 100644 --- a/compiler/rustc_ty_utils/src/instance.rs +++ b/compiler/rustc_ty_utils/src/instance.rs @@ -34,7 +34,7 @@ fn resolve_instance<'tcx>( } else { let def = if tcx.intrinsic(def_id).is_some() { debug!(" => intrinsic"); - ty::InstanceDef::Intrinsic(def_id) + ty::InstanceKind::Intrinsic(def_id) } else if tcx.is_lang_item(def_id, LangItem::DropInPlace) { let ty = args.type_at(0); @@ -53,10 +53,10 @@ fn resolve_instance<'tcx>( _ => return Ok(None), } - ty::InstanceDef::DropGlue(def_id, Some(ty)) + ty::InstanceKind::DropGlue(def_id, Some(ty)) } else { debug!(" => trivial drop glue"); - ty::InstanceDef::DropGlue(def_id, None) + ty::InstanceKind::DropGlue(def_id, None) } } else if tcx.is_lang_item(def_id, LangItem::AsyncDropInPlace) { let ty = args.type_at(0); @@ -75,15 +75,15 @@ fn resolve_instance<'tcx>( _ => return Ok(None), } debug!(" => nontrivial async drop glue ctor"); - ty::InstanceDef::AsyncDropGlueCtorShim(def_id, Some(ty)) + ty::InstanceKind::AsyncDropGlueCtorShim(def_id, Some(ty)) } else { debug!(" => trivial async drop glue ctor"); - ty::InstanceDef::AsyncDropGlueCtorShim(def_id, None) + ty::InstanceKind::AsyncDropGlueCtorShim(def_id, None) } } else { debug!(" => free item"); // FIXME(effects): we may want to erase the effect param if that is present on this item. - ty::InstanceDef::Item(def_id) + ty::InstanceKind::Item(def_id) }; Ok(Some(Instance { def, args })) @@ -226,7 +226,7 @@ fn resolve_associated_item<'tcx>( .copied() .position(|def_id| def_id == trait_item_id); offset.map(|offset| Instance { - def: ty::InstanceDef::Virtual(trait_item_id, vtable_base + offset), + def: ty::InstanceKind::Virtual(trait_item_id, vtable_base + offset), args: rcvr_args, }) } @@ -248,7 +248,7 @@ fn resolve_associated_item<'tcx>( }; Some(Instance { - def: ty::InstanceDef::CloneShim(trait_item_id, self_ty), + def: ty::InstanceKind::CloneShim(trait_item_id, self_ty), args: rcvr_args, }) } else { @@ -265,7 +265,7 @@ fn resolve_associated_item<'tcx>( return Ok(None); } Some(Instance { - def: ty::InstanceDef::FnPtrAddrShim(trait_item_id, self_ty), + def: ty::InstanceKind::FnPtrAddrShim(trait_item_id, self_ty), args: rcvr_args, }) } else { @@ -283,7 +283,7 @@ fn resolve_associated_item<'tcx>( { // For compiler developers who'd like to add new items to `Fn`/`FnMut`/`FnOnce`, // you either need to generate a shim body, or perhaps return - // `InstanceDef::Item` pointing to a trait default method body if + // `InstanceKind::Item` pointing to a trait default method body if // it is given a default implementation by the trait. bug!( "no definition for `{trait_ref}::{}` for built-in callable type", @@ -295,7 +295,7 @@ fn resolve_associated_item<'tcx>( Some(Instance::resolve_closure(tcx, closure_def_id, args, target_kind)) } ty::FnDef(..) | ty::FnPtr(..) => Some(Instance { - def: ty::InstanceDef::FnPtrShim(trait_item_id, rcvr_args.type_at(0)), + def: ty::InstanceKind::FnPtrShim(trait_item_id, rcvr_args.type_at(0)), args: rcvr_args, }), ty::CoroutineClosure(coroutine_closure_def_id, args) => { @@ -308,7 +308,7 @@ fn resolve_associated_item<'tcx>( Some(Instance::new(coroutine_closure_def_id, args)) } else { Some(Instance { - def: ty::InstanceDef::ConstructCoroutineInClosureShim { + def: ty::InstanceKind::ConstructCoroutineInClosureShim { coroutine_closure_def_id, receiver_by_ref: target_kind != ty::ClosureKind::FnOnce, }, @@ -331,7 +331,7 @@ fn resolve_associated_item<'tcx>( // If we're computing `AsyncFnOnce` for a by-ref closure then // construct a new body that has the right return types. Some(Instance { - def: ty::InstanceDef::ConstructCoroutineInClosureShim { + def: ty::InstanceKind::ConstructCoroutineInClosureShim { coroutine_closure_def_id, receiver_by_ref: false, }, @@ -345,7 +345,7 @@ fn resolve_associated_item<'tcx>( Some(Instance::resolve_closure(tcx, closure_def_id, args, target_kind)) } ty::FnDef(..) | ty::FnPtr(..) => Some(Instance { - def: ty::InstanceDef::FnPtrShim(trait_item_id, rcvr_args.type_at(0)), + def: ty::InstanceKind::FnPtrShim(trait_item_id, rcvr_args.type_at(0)), args: rcvr_args, }), _ => bug!( diff --git a/src/tools/miri/src/intrinsics/mod.rs b/src/tools/miri/src/intrinsics/mod.rs index 74e39ffd9332..313eac363372 100644 --- a/src/tools/miri/src/intrinsics/mod.rs +++ b/src/tools/miri/src/intrinsics/mod.rs @@ -57,7 +57,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { ); } Ok(Some(ty::Instance { - def: ty::InstanceDef::Item(instance.def_id()), + def: ty::InstanceKind::Item(instance.def_id()), args: instance.args, })) } From 2f17535584947abdfa75c8ba7d7e01056790b686 Mon Sep 17 00:00:00 2001 From: bohan Date: Mon, 17 Jun 2024 11:00:44 +0800 Subject: [PATCH 1623/1716] mark undetermined if target binding in current ns is not got --- compiler/rustc_resolve/src/ident.rs | 25 ++++++++++++------- tests/crashes/126376.rs | 14 ----------- tests/crashes/126389.rs | 15 ----------- .../shadow-glob-module-resolution-3.rs | 19 ++++++++++++++ .../shadow-glob-module-resolution-3.stderr | 23 +++++++++++++++++ .../shadow-glob-module-resolution-4.rs | 20 +++++++++++++++ .../shadow-glob-module-resolution-4.stderr | 23 +++++++++++++++++ 7 files changed, 101 insertions(+), 38 deletions(-) delete mode 100644 tests/crashes/126376.rs delete mode 100644 tests/crashes/126389.rs create mode 100644 tests/ui/imports/shadow-glob-module-resolution-3.rs create mode 100644 tests/ui/imports/shadow-glob-module-resolution-3.stderr create mode 100644 tests/ui/imports/shadow-glob-module-resolution-4.rs create mode 100644 tests/ui/imports/shadow-glob-module-resolution-4.stderr diff --git a/compiler/rustc_resolve/src/ident.rs b/compiler/rustc_resolve/src/ident.rs index b6a23317dc99..7d531385e212 100644 --- a/compiler/rustc_resolve/src/ident.rs +++ b/compiler/rustc_resolve/src/ident.rs @@ -966,7 +966,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { for single_import in &resolution.single_imports { let Some(import_vis) = single_import.vis.get() else { // This branch handles a cycle in single imports, which occurs - // when we've previously captured the `vis` value during an import + // when we've previously **steal** the `vis` value during an import // process. // // For example: @@ -998,21 +998,28 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { let Some(module) = single_import.imported_module.get() else { return Err((Undetermined, Weak::No)); }; - let ImportKind::Single { source: ident, target, target_bindings, .. } = - &single_import.kind + let ImportKind::Single { source, target, target_bindings, .. } = &single_import.kind else { unreachable!(); }; - if (ident != target) && target_bindings.iter().all(|binding| binding.get().is_none()) { + if source != target { // This branch allows the binding to be defined or updated later if the target name - // can hide the source but these bindings are not obtained. - // avoiding module inconsistency between the resolve process and the finalize process. - // See more details in #124840 - return Err((Undetermined, Weak::No)); + // can hide the source. + if target_bindings.iter().all(|binding| binding.get().is_none()) { + // None of the target bindings are available, so we can't determine + // if this binding is correct or not. + // See more details in #124840 + return Err((Undetermined, Weak::No)); + } else if target_bindings[ns].get().is_none() && binding.is_some() { + // `binding.is_some()` avoids the condition where the binding + // truly doesn't exist in this namespace and should return `Err(Determined)`. + return Err((Undetermined, Weak::No)); + } } + match self.resolve_ident_in_module( module, - *ident, + *source, ns, &single_import.parent_scope, None, diff --git a/tests/crashes/126376.rs b/tests/crashes/126376.rs deleted file mode 100644 index 028dde6d438e..000000000000 --- a/tests/crashes/126376.rs +++ /dev/null @@ -1,14 +0,0 @@ -//@ known-bug: rust-lang/rust#126376 -mod a { - pub mod b { - pub mod c { - pub trait D {} - } - } -} - -use a::*; -use e as b; -use b::c::D as e; - -fn e() {} diff --git a/tests/crashes/126389.rs b/tests/crashes/126389.rs deleted file mode 100644 index 7aa6ecad9a31..000000000000 --- a/tests/crashes/126389.rs +++ /dev/null @@ -1,15 +0,0 @@ -//@ known-bug: rust-lang/rust#126389 - -mod a { - pub mod b { - pub mod c {} - } -} - -use a::*; - -use b::c; - -use c as b; - -fn c() {} diff --git a/tests/ui/imports/shadow-glob-module-resolution-3.rs b/tests/ui/imports/shadow-glob-module-resolution-3.rs new file mode 100644 index 000000000000..f5a43373261b --- /dev/null +++ b/tests/ui/imports/shadow-glob-module-resolution-3.rs @@ -0,0 +1,19 @@ +// https://github.com/rust-lang/rust/issues/126389 + +mod a { + pub mod b { + pub mod c {} + } +} + +use a::*; + +use b::c; +//~^ ERROR: unresolved import `b::c` +//~| ERROR: cannot determine resolution for the import +//~| ERROR: cannot determine resolution for the import +use c as b; + +fn c() {} + +fn main() { } diff --git a/tests/ui/imports/shadow-glob-module-resolution-3.stderr b/tests/ui/imports/shadow-glob-module-resolution-3.stderr new file mode 100644 index 000000000000..ab853c715828 --- /dev/null +++ b/tests/ui/imports/shadow-glob-module-resolution-3.stderr @@ -0,0 +1,23 @@ +error: cannot determine resolution for the import + --> $DIR/shadow-glob-module-resolution-3.rs:11:5 + | +LL | use b::c; + | ^^^^ + +error: cannot determine resolution for the import + --> $DIR/shadow-glob-module-resolution-3.rs:11:5 + | +LL | use b::c; + | ^^^^ + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error[E0432]: unresolved import `b::c` + --> $DIR/shadow-glob-module-resolution-3.rs:11:5 + | +LL | use b::c; + | ^^^^ + +error: aborting due to 3 previous errors + +For more information about this error, try `rustc --explain E0432`. diff --git a/tests/ui/imports/shadow-glob-module-resolution-4.rs b/tests/ui/imports/shadow-glob-module-resolution-4.rs new file mode 100644 index 000000000000..581cdc185d3f --- /dev/null +++ b/tests/ui/imports/shadow-glob-module-resolution-4.rs @@ -0,0 +1,20 @@ +// https://github.com/rust-lang/rust/issues/126376 + +mod a { + pub mod b { + pub trait C {} + } +} + +use a::*; + +use e as b; + +use b::C as e; +//~^ ERROR: unresolved import `b::C` +//~| ERROR: cannot determine resolution for the import +//~| ERROR: cannot determine resolution for the import + +fn e() {} + +fn main() { } diff --git a/tests/ui/imports/shadow-glob-module-resolution-4.stderr b/tests/ui/imports/shadow-glob-module-resolution-4.stderr new file mode 100644 index 000000000000..063beb612b13 --- /dev/null +++ b/tests/ui/imports/shadow-glob-module-resolution-4.stderr @@ -0,0 +1,23 @@ +error: cannot determine resolution for the import + --> $DIR/shadow-glob-module-resolution-4.rs:13:5 + | +LL | use b::C as e; + | ^^^^^^^^^ + +error: cannot determine resolution for the import + --> $DIR/shadow-glob-module-resolution-4.rs:13:5 + | +LL | use b::C as e; + | ^^^^^^^^^ + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error[E0432]: unresolved import `b::C` + --> $DIR/shadow-glob-module-resolution-4.rs:13:5 + | +LL | use b::C as e; + | ^^^^^^^^^ + +error: aborting due to 3 previous errors + +For more information about this error, try `rustc --explain E0432`. From bd32c4c21ee30abc3795e5537245f157c31214e8 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Mon, 17 Jun 2024 14:03:26 +1000 Subject: [PATCH 1624/1716] Convert a `span_bug` to a `span_delayed_bug`. PR #121208 converted this from a `span_delayed_bug` to a `span_bug` because nothing in the test suite caused execution to hit this path. But now fuzzing has found a test case that does hit it. So this commit converts it back to `span_delayed_bug` and adds the relevant test. Fixes #126385. --- .../src/diagnostics/region_name.rs | 4 +-- tests/crashes/126385.rs | 10 ------ .../unmatched-arg-and-hir-arg-issue-126385.rs | 14 ++++++++ ...atched-arg-and-hir-arg-issue-126385.stderr | 34 +++++++++++++++++++ 4 files changed, 49 insertions(+), 13 deletions(-) delete mode 100644 tests/crashes/126385.rs create mode 100644 tests/ui/borrowck/unmatched-arg-and-hir-arg-issue-126385.rs create mode 100644 tests/ui/borrowck/unmatched-arg-and-hir-arg-issue-126385.stderr diff --git a/compiler/rustc_borrowck/src/diagnostics/region_name.rs b/compiler/rustc_borrowck/src/diagnostics/region_name.rs index 2cf548e28b18..77fb9fb43151 100644 --- a/compiler/rustc_borrowck/src/diagnostics/region_name.rs +++ b/compiler/rustc_borrowck/src/diagnostics/region_name.rs @@ -628,9 +628,7 @@ impl<'tcx> MirBorrowckCtxt<'_, 'tcx> { | GenericArgKind::Const(_), _, ) => { - // This was previously a `span_delayed_bug` and could be - // reached by the test for #82126, but no longer. - self.dcx().span_bug( + self.dcx().span_delayed_bug( hir_arg.span(), format!("unmatched arg and hir arg: found {kind:?} vs {hir_arg:?}"), ); diff --git a/tests/crashes/126385.rs b/tests/crashes/126385.rs deleted file mode 100644 index 9e74e88c1ffe..000000000000 --- a/tests/crashes/126385.rs +++ /dev/null @@ -1,10 +0,0 @@ -//@ known-bug: rust-lang/rust#126385 -pub struct MyStruct<'field> { - field: &'_ [u32], -} - -impl MyStruct<'_> { - pub fn _<'a>(field: &'a[u32]) -> Self { - Self{field} - } -} diff --git a/tests/ui/borrowck/unmatched-arg-and-hir-arg-issue-126385.rs b/tests/ui/borrowck/unmatched-arg-and-hir-arg-issue-126385.rs new file mode 100644 index 000000000000..637c47f29396 --- /dev/null +++ b/tests/ui/borrowck/unmatched-arg-and-hir-arg-issue-126385.rs @@ -0,0 +1,14 @@ +// This test was triggering a `span_bug` crash, which was then fixed by +// downgrading it to a `span_delayed_bug`. + +pub struct MyStruct<'field> { + field: &'field [u32], +} + +impl MyStruct<'_> { + pub fn f(field: &[u32]) -> Self { //~ ERROR type arguments are not allowed on self type + Self { field } //~ ERROR lifetime may not live long enough + } +} + +fn main() {} diff --git a/tests/ui/borrowck/unmatched-arg-and-hir-arg-issue-126385.stderr b/tests/ui/borrowck/unmatched-arg-and-hir-arg-issue-126385.stderr new file mode 100644 index 000000000000..0ae301b2090a --- /dev/null +++ b/tests/ui/borrowck/unmatched-arg-and-hir-arg-issue-126385.stderr @@ -0,0 +1,34 @@ +error[E0109]: type arguments are not allowed on self type + --> $DIR/unmatched-arg-and-hir-arg-issue-126385.rs:9:37 + | +LL | pub fn f(field: &[u32]) -> Self { + | ---- ^^^ type argument not allowed + | | + | not allowed on self type + | +note: `Self` is of type `MyStruct<'_>` + --> $DIR/unmatched-arg-and-hir-arg-issue-126385.rs:4:12 + | +LL | pub struct MyStruct<'field> { + | ^^^^^^^^ `Self` corresponds to this type +... +LL | impl MyStruct<'_> { + | ----------------- `Self` is on type `MyStruct` in this `impl` +help: the `Self` type doesn't accept type parameters, use the concrete type's name `MyStruct` instead if you want to specify its type parameters + | +LL | pub fn f(field: &[u32]) -> MyStruct { + | ~~~~~~~~ + +error: lifetime may not live long enough + --> $DIR/unmatched-arg-and-hir-arg-issue-126385.rs:10:9 + | +LL | pub fn f(field: &[u32]) -> Self { + | - --------- return type is MyStruct<'2> + | | + | let's call the lifetime of this reference `'1` +LL | Self { field } + | ^^^^^^^^^^^^^^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0109`. From 207c5bc5a9007acd5bf3dbd58ef361bbb3ff3866 Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Mon, 17 Jun 2024 08:48:49 +0300 Subject: [PATCH 1625/1716] override user defined channel when using precompiled rustc Signed-off-by: onur-ozkan --- src/bootstrap/src/core/config/config.rs | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/src/bootstrap/src/core/config/config.rs b/src/bootstrap/src/core/config/config.rs index a1d8ca3cbcaa..0438dee7241f 100644 --- a/src/bootstrap/src/core/config/config.rs +++ b/src/bootstrap/src/core/config/config.rs @@ -1718,7 +1718,23 @@ impl Config { config.omit_git_hash = omit_git_hash.unwrap_or(default); config.rust_info = GitInfo::new(config.omit_git_hash, &config.src); - if config.rust_info.is_from_tarball() && !is_user_configured_rust_channel { + // We need to override `rust.channel` if it's manually specified when using the CI rustc. + // This is because if the compiler uses a different channel than the one specified in config.toml, + // tests may fail due to using a different channel than the one used by the compiler during tests. + if let Some(commit) = &config.download_rustc_commit { + if is_user_configured_rust_channel { + println!( + "WARNING: `rust.download-rustc` is enabled. The `rust.channel` option will be overridden by the CI rustc's channel." + ); + + let channel = config + .read_file_by_commit(&PathBuf::from("src/ci/channel"), commit) + .trim() + .to_owned(); + + config.channel = channel; + } + } else if config.rust_info.is_from_tarball() && !is_user_configured_rust_channel { ci_channel.clone_into(&mut config.channel); } From 5ae2446109ccdc64921561228eb983f795705b17 Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Mon, 17 Jun 2024 08:49:36 +0300 Subject: [PATCH 1626/1716] simplify `Builder::doc_rust_lang_org_channel` This is already handled at the config parsing level, so we can simplify it. Signed-off-by: onur-ozkan --- src/bootstrap/src/core/builder.rs | 23 ++++++----------------- 1 file changed, 6 insertions(+), 17 deletions(-) diff --git a/src/bootstrap/src/core/builder.rs b/src/bootstrap/src/core/builder.rs index d9e4cbae17d7..73e2cebc21c1 100644 --- a/src/bootstrap/src/core/builder.rs +++ b/src/bootstrap/src/core/builder.rs @@ -1036,23 +1036,12 @@ impl<'a> Builder<'a> { } pub fn doc_rust_lang_org_channel(&self) -> String { - // When using precompiled compiler from CI, we need to use CI rustc's channel and - // ignore `rust.channel` from the configuration. Otherwise most of the rustdoc tests - // will fail due to incompatible `DOC_RUST_LANG_ORG_CHANNEL`. - let channel = if let Some(commit) = self.config.download_rustc_commit() { - self.config - .read_file_by_commit(&PathBuf::from("src/ci/channel"), commit) - .trim() - .to_owned() - } else { - match &*self.config.channel { - "stable" => &self.version, - "beta" => "beta", - "nightly" | "dev" => "nightly", - // custom build of rustdoc maybe? link to the latest stable docs just in case - _ => "stable", - } - .to_owned() + let channel = match &*self.config.channel { + "stable" => &self.version, + "beta" => "beta", + "nightly" | "dev" => "nightly", + // custom build of rustdoc maybe? link to the latest stable docs just in case + _ => "stable", }; format!("https://doc.rust-lang.org/{channel}") From 450943b0d6271fe06512c5107f89f096e71367bc Mon Sep 17 00:00:00 2001 From: ChoKyuWon Date: Mon, 17 Jun 2024 18:09:56 +0900 Subject: [PATCH 1627/1716] Fix broken documentation link Signed-off-by: ChoKyuWon --- compiler/rustc_type_ir/src/region_kind.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/compiler/rustc_type_ir/src/region_kind.rs b/compiler/rustc_type_ir/src/region_kind.rs index 37c9532ad894..7abcc370c886 100644 --- a/compiler/rustc_type_ir/src/region_kind.rs +++ b/compiler/rustc_type_ir/src/region_kind.rs @@ -154,7 +154,7 @@ pub enum RegionKind { /// parameters via `tcx.liberate_late_bound_regions`. They are then treated /// the same way as `ReEarlyParam` while inside of the function. /// - /// See for + /// See for /// more info about early and late bound lifetime parameters. ReLateParam(I::LateParamRegion), From 20d6485e94c2106ce424e6e48653dea4809d41bd Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Mon, 17 Jun 2024 11:14:28 +0200 Subject: [PATCH 1628/1716] Add missing test annotation --- tests/run-make/const_fn_mir/rmake.rs | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tests/run-make/const_fn_mir/rmake.rs b/tests/run-make/const_fn_mir/rmake.rs index a4cc4299b1b0..1ba93421855d 100644 --- a/tests/run-make/const_fn_mir/rmake.rs +++ b/tests/run-make/const_fn_mir/rmake.rs @@ -1,5 +1,7 @@ // The `needs-unwind -Cpanic=abort` gives a different MIR output. +//@ needs-unwind + use run_make_support::{cwd, diff, rustc}; fn main() { From eefb3ac8afcdcc6fd6723991e127eb4f70ab3f62 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Mon, 17 Jun 2024 12:04:52 +0200 Subject: [PATCH 1629/1716] interpret: better error when we ran out of memory --- compiler/rustc_middle/src/mir/interpret/allocation.rs | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/compiler/rustc_middle/src/mir/interpret/allocation.rs b/compiler/rustc_middle/src/mir/interpret/allocation.rs index b0f8a047b82f..2fc466c0e7e9 100644 --- a/compiler/rustc_middle/src/mir/interpret/allocation.rs +++ b/compiler/rustc_middle/src/mir/interpret/allocation.rs @@ -52,7 +52,7 @@ impl AllocBytes for Box<[u8]> { } fn zeroed(size: Size, _align: Align) -> Option { - let bytes = Box::<[u8]>::try_new_zeroed_slice(size.bytes_usize()).ok()?; + let bytes = Box::<[u8]>::try_new_zeroed_slice(size.bytes().try_into().ok()?).ok()?; // SAFETY: the box was zero-allocated, which is a valid initial value for Box<[u8]> let bytes = unsafe { bytes.assume_init() }; Some(bytes) @@ -323,7 +323,10 @@ impl Allocation { /// first call this function and then call write_scalar to fill in the right data. pub fn uninit(size: Size, align: Align) -> Self { match Self::uninit_inner(size, align, || { - panic!("Allocation::uninit called with panic_on_fail had allocation failure"); + panic!( + "interpreter ran out of memory: cannot create allocation of {} bytes", + size.bytes() + ); }) { Ok(x) => x, Err(x) => x, From 9074427c69773ca20eef8b6e9613402882f8fb0b Mon Sep 17 00:00:00 2001 From: Camille GILLOT Date: Mon, 17 Jun 2024 10:06:13 +0000 Subject: [PATCH 1630/1716] Do not ICE in privacy when type inference fails. --- compiler/rustc_privacy/src/lib.rs | 8 ++++-- .../privacy/no-ice-on-inference-failure.rs} | 2 +- .../no-ice-on-inference-failure.stderr | 27 +++++++++++++++++++ 3 files changed, 34 insertions(+), 3 deletions(-) rename tests/{crashes/122736.rs => ui/privacy/no-ice-on-inference-failure.rs} (80%) create mode 100644 tests/ui/privacy/no-ice-on-inference-failure.stderr diff --git a/compiler/rustc_privacy/src/lib.rs b/compiler/rustc_privacy/src/lib.rs index fb57d42f6df1..d37056269385 100644 --- a/compiler/rustc_privacy/src/lib.rs +++ b/compiler/rustc_privacy/src/lib.rs @@ -973,8 +973,12 @@ impl<'tcx> NamePrivacyVisitor<'tcx> { impl<'tcx> Visitor<'tcx> for NamePrivacyVisitor<'tcx> { fn visit_nested_body(&mut self, body_id: hir::BodyId) { - let old_maybe_typeck_results = - self.maybe_typeck_results.replace(self.tcx.typeck_body(body_id)); + let new_typeck_results = self.tcx.typeck_body(body_id); + // Do not try reporting privacy violations if we failed to infer types. + if new_typeck_results.tainted_by_errors.is_some() { + return; + } + let old_maybe_typeck_results = self.maybe_typeck_results.replace(new_typeck_results); self.visit_body(self.tcx.hir().body(body_id)); self.maybe_typeck_results = old_maybe_typeck_results; } diff --git a/tests/crashes/122736.rs b/tests/ui/privacy/no-ice-on-inference-failure.rs similarity index 80% rename from tests/crashes/122736.rs rename to tests/ui/privacy/no-ice-on-inference-failure.rs index 83b60444c2f4..e63b7bff9bc4 100644 --- a/tests/crashes/122736.rs +++ b/tests/ui/privacy/no-ice-on-inference-failure.rs @@ -1,9 +1,9 @@ -//@ known-bug: #122736 fn main_ref() { let array = [(); { let mut x = &0; let mut n = 0; while n < 5 { + //~^ ERROR constant evaluation is taking a long time x = &0; } 0 diff --git a/tests/ui/privacy/no-ice-on-inference-failure.stderr b/tests/ui/privacy/no-ice-on-inference-failure.stderr new file mode 100644 index 000000000000..67476e6e2189 --- /dev/null +++ b/tests/ui/privacy/no-ice-on-inference-failure.stderr @@ -0,0 +1,27 @@ +error: constant evaluation is taking a long time + --> $DIR/no-ice-on-inference-failure.rs:5:9 + | +LL | / while n < 5 { +LL | | +LL | | x = &0; +LL | | } + | |_________^ + | + = note: this lint makes sure the compiler doesn't get stuck due to infinite loops in const eval. + If your compilation actually takes a long time, you can safely allow the lint. +help: the constant being evaluated + --> $DIR/no-ice-on-inference-failure.rs:2:22 + | +LL | let array = [(); { + | ______________________^ +LL | | let mut x = &0; +LL | | let mut n = 0; +LL | | while n < 5 { +... | +LL | | 0 +LL | | }]; + | |_____^ + = note: `#[deny(long_running_const_eval)]` on by default + +error: aborting due to 1 previous error + From 97372c8c885bf66a502b88ee7b29e59fb27327e6 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Fri, 14 Jun 2024 09:20:05 +0000 Subject: [PATCH 1631/1716] Add regression test --- tests/ui/statics/const_generics.rs | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 tests/ui/statics/const_generics.rs diff --git a/tests/ui/statics/const_generics.rs b/tests/ui/statics/const_generics.rs new file mode 100644 index 000000000000..70d9b933a765 --- /dev/null +++ b/tests/ui/statics/const_generics.rs @@ -0,0 +1,26 @@ +//! Check that we lose the information that `BAR` points to `FOO` +//! when going through a const generic. +//! This is not an intentional guarantee, it just describes the status quo. + +//@ run-pass +// With optimizations, LLVM will deduplicate the constant `X` whose +// value is `&42` to just be a reference to the static. This is correct, +// but obscures the issue we're trying to show. +//@ revisions: opt noopt +//@[noopt] compile-flags: -Copt-level=0 +//@[opt] compile-flags: -O + +#![feature(const_refs_to_static)] +#![feature(adt_const_params)] +#![allow(incomplete_features)] + +static FOO: usize = 42; +const BAR: &usize = &FOO; +fn foo() { + // Without optimizations, `X` ends up pointing to a copy of `FOO` instead of `FOO` itself. + assert_eq!(cfg!(opt), std::ptr::eq(X, &FOO)); +} + +fn main() { + foo::(); +} From 4e5dfb61e449940f0a9bf97e2df6cfeef38d2f30 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Fri, 14 Jun 2024 10:11:33 +0000 Subject: [PATCH 1632/1716] Remove an unused validation error variant --- compiler/rustc_const_eval/messages.ftl | 2 -- compiler/rustc_const_eval/src/errors.rs | 4 ---- compiler/rustc_middle/src/mir/interpret/error.rs | 3 --- 3 files changed, 9 deletions(-) diff --git a/compiler/rustc_const_eval/messages.ftl b/compiler/rustc_const_eval/messages.ftl index 2dbeb7d5e0ca..cb5aac7e5601 100644 --- a/compiler/rustc_const_eval/messages.ftl +++ b/compiler/rustc_const_eval/messages.ftl @@ -399,7 +399,6 @@ const_eval_unwind_past_top = ## The `front_matter`s here refer to either `const_eval_front_matter_invalid_value` or `const_eval_front_matter_invalid_value_with_path`. ## (We'd love to sort this differently to make that more clear but tidy won't let us...) -const_eval_validation_box_to_static = {$front_matter}: encountered a box pointing to a static variable in a constant const_eval_validation_box_to_uninhabited = {$front_matter}: encountered a box pointing to uninhabited type {$ty} const_eval_validation_const_ref_to_extern = {$front_matter}: encountered reference to `extern` static in `const` @@ -454,7 +453,6 @@ const_eval_validation_out_of_range = {$front_matter}: encountered {$value}, but const_eval_validation_partial_pointer = {$front_matter}: encountered a partial pointer or a mix of pointers const_eval_validation_pointer_as_int = {$front_matter}: encountered a pointer, but {$expected} const_eval_validation_ptr_out_of_range = {$front_matter}: encountered a pointer, but expected something that cannot possibly fail to be {$in_range} -const_eval_validation_ref_to_static = {$front_matter}: encountered a reference pointing to a static variable in a constant const_eval_validation_ref_to_uninhabited = {$front_matter}: encountered a reference pointing to uninhabited type {$ty} const_eval_validation_unaligned_box = {$front_matter}: encountered an unaligned box (required {$required_bytes} byte alignment but found {$found_bytes}) const_eval_validation_unaligned_ref = {$front_matter}: encountered an unaligned reference (required {$required_bytes} byte alignment but found {$found_bytes}) diff --git a/compiler/rustc_const_eval/src/errors.rs b/compiler/rustc_const_eval/src/errors.rs index e5ea4c3442ea..91d17fdd8959 100644 --- a/compiler/rustc_const_eval/src/errors.rs +++ b/compiler/rustc_const_eval/src/errors.rs @@ -640,9 +640,6 @@ impl<'tcx> ReportErrorExt for ValidationErrorInfo<'tcx> { const_eval_validation_ref_to_uninhabited } - PtrToStatic { ptr_kind: PointerKind::Box } => const_eval_validation_box_to_static, - PtrToStatic { ptr_kind: PointerKind::Ref(_) } => const_eval_validation_ref_to_static, - PointerAsInt { .. } => const_eval_validation_pointer_as_int, PartialPointer => const_eval_validation_partial_pointer, ConstRefToMutable => const_eval_validation_const_ref_to_mutable, @@ -807,7 +804,6 @@ impl<'tcx> ReportErrorExt for ValidationErrorInfo<'tcx> { ); } NullPtr { .. } - | PtrToStatic { .. } | ConstRefToMutable | ConstRefToExtern | MutableRefToImmutable diff --git a/compiler/rustc_middle/src/mir/interpret/error.rs b/compiler/rustc_middle/src/mir/interpret/error.rs index eabbcc2033f1..23680f143970 100644 --- a/compiler/rustc_middle/src/mir/interpret/error.rs +++ b/compiler/rustc_middle/src/mir/interpret/error.rs @@ -438,9 +438,6 @@ pub enum ValidationErrorKind<'tcx> { ptr_kind: PointerKind, ty: Ty<'tcx>, }, - PtrToStatic { - ptr_kind: PointerKind, - }, ConstRefToMutable, ConstRefToExtern, MutableRefToImmutable, From 94f549502f4bf6fae35f17c823924f041217c8f4 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Mon, 10 Jun 2024 10:15:37 +0000 Subject: [PATCH 1633/1716] Use subtyping instead of equality, since method resolution also uses subtyping --- .../rustc_hir_typeck/src/fn_ctxt/_impl.rs | 9 +++------ tests/crashes/126062.rs | 11 ---------- ...rojection-self-ty-invalid-bivariant-arg.rs | 10 ++++++++++ ...ction-self-ty-invalid-bivariant-arg.stderr | 12 +++++++++++ ...ojection-self-ty-invalid-bivariant-arg2.rs | 17 ++++++++++++++++ ...tion-self-ty-invalid-bivariant-arg2.stderr | 20 +++++++++++++++++++ ...erce-issue-49593-box-never.fallback.stderr | 11 ++++++++++ ...ce-issue-49593-box-never.nofallback.stderr | 8 ++++---- .../coercion/coerce-issue-49593-box-never.rs | 9 +++++---- .../generic_arg_infer/issue-91614.stderr | 2 +- .../need_type_info/type-alias-indirect.stderr | 2 +- .../need_type_info/type-alias.stderr | 6 +++--- .../suggestions/mut-borrow-needed-by-trait.rs | 1 + .../mut-borrow-needed-by-trait.stderr | 16 ++++++++++++--- 14 files changed, 101 insertions(+), 33 deletions(-) delete mode 100644 tests/crashes/126062.rs create mode 100644 tests/ui/associated-consts/wrong-projection-self-ty-invalid-bivariant-arg.rs create mode 100644 tests/ui/associated-consts/wrong-projection-self-ty-invalid-bivariant-arg.stderr create mode 100644 tests/ui/associated-consts/wrong-projection-self-ty-invalid-bivariant-arg2.rs create mode 100644 tests/ui/associated-consts/wrong-projection-self-ty-invalid-bivariant-arg2.stderr create mode 100644 tests/ui/coercion/coerce-issue-49593-box-never.fallback.stderr diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs index 9531c002829e..061afd030623 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs @@ -750,16 +750,13 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { /// Resolves an associated value path into a base type and associated constant, or method /// resolution. The newly resolved definition is written into `type_dependent_defs`. + #[instrument(level = "trace", skip(self), ret)] pub fn resolve_ty_and_res_fully_qualified_call( &self, qpath: &'tcx QPath<'tcx>, hir_id: HirId, span: Span, ) -> (Res, Option>, &'tcx [hir::PathSegment<'tcx>]) { - debug!( - "resolve_ty_and_res_fully_qualified_call: qpath={:?} hir_id={:?} span={:?}", - qpath, hir_id, span - ); let (ty, qself, item_segment) = match *qpath { QPath::Resolved(ref opt_qself, path) => { return ( @@ -1417,10 +1414,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // This also occurs for an enum variant on a type alias. let impl_ty = self.normalize(span, tcx.type_of(impl_def_id).instantiate(tcx, args)); let self_ty = self.normalize(span, self_ty); - match self.at(&self.misc(span), self.param_env).eq( + match self.at(&self.misc(span), self.param_env).sub( DefineOpaqueTypes::Yes, - impl_ty, self_ty, + impl_ty, ) { Ok(ok) => self.register_infer_ok_obligations(ok), Err(_) => { diff --git a/tests/crashes/126062.rs b/tests/crashes/126062.rs deleted file mode 100644 index 9f1bec1d46e4..000000000000 --- a/tests/crashes/126062.rs +++ /dev/null @@ -1,11 +0,0 @@ -//@ known-bug: rust-lang/rust#126062 -struct Fail(Fail); -impl Fail { - const C: () = panic!(); -} - -fn f() { - if false { - let _val = &Fail::::C; - } -} diff --git a/tests/ui/associated-consts/wrong-projection-self-ty-invalid-bivariant-arg.rs b/tests/ui/associated-consts/wrong-projection-self-ty-invalid-bivariant-arg.rs new file mode 100644 index 000000000000..e2fc2961a448 --- /dev/null +++ b/tests/ui/associated-consts/wrong-projection-self-ty-invalid-bivariant-arg.rs @@ -0,0 +1,10 @@ +struct Fail; +//~^ ERROR: type parameter `T` is never used + +impl Fail { + const C: () = (); +} + +fn main() { + Fail::<()>::C +} diff --git a/tests/ui/associated-consts/wrong-projection-self-ty-invalid-bivariant-arg.stderr b/tests/ui/associated-consts/wrong-projection-self-ty-invalid-bivariant-arg.stderr new file mode 100644 index 000000000000..f0a6ccf243a9 --- /dev/null +++ b/tests/ui/associated-consts/wrong-projection-self-ty-invalid-bivariant-arg.stderr @@ -0,0 +1,12 @@ +error[E0392]: type parameter `T` is never used + --> $DIR/wrong-projection-self-ty-invalid-bivariant-arg.rs:1:13 + | +LL | struct Fail; + | ^ unused type parameter + | + = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData` + = help: if you intended `T` to be a const parameter, use `const T: /* Type */` instead + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0392`. diff --git a/tests/ui/associated-consts/wrong-projection-self-ty-invalid-bivariant-arg2.rs b/tests/ui/associated-consts/wrong-projection-self-ty-invalid-bivariant-arg2.rs new file mode 100644 index 000000000000..cb53d902ba18 --- /dev/null +++ b/tests/ui/associated-consts/wrong-projection-self-ty-invalid-bivariant-arg2.rs @@ -0,0 +1,17 @@ +trait Proj { + type Assoc; +} +impl Proj for T { + type Assoc = T; +} + +struct Fail, U>(T); + +impl Fail { + const C: () = (); +} + +fn main() { + Fail::::C + //~^ ERROR: type mismatch +} diff --git a/tests/ui/associated-consts/wrong-projection-self-ty-invalid-bivariant-arg2.stderr b/tests/ui/associated-consts/wrong-projection-self-ty-invalid-bivariant-arg2.stderr new file mode 100644 index 000000000000..0d63b7f5b293 --- /dev/null +++ b/tests/ui/associated-consts/wrong-projection-self-ty-invalid-bivariant-arg2.stderr @@ -0,0 +1,20 @@ +error[E0271]: type mismatch resolving `::Assoc == u32` + --> $DIR/wrong-projection-self-ty-invalid-bivariant-arg2.rs:15:5 + | +LL | Fail::::C + | ^^^^^^^^^^^^^^^^ type mismatch resolving `::Assoc == u32` + | +note: expected this to be `u32` + --> $DIR/wrong-projection-self-ty-invalid-bivariant-arg2.rs:5:18 + | +LL | type Assoc = T; + | ^ +note: required by a bound in `Fail` + --> $DIR/wrong-projection-self-ty-invalid-bivariant-arg2.rs:8:21 + | +LL | struct Fail, U>(T); + | ^^^^^^^^^ required by this bound in `Fail` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0271`. diff --git a/tests/ui/coercion/coerce-issue-49593-box-never.fallback.stderr b/tests/ui/coercion/coerce-issue-49593-box-never.fallback.stderr new file mode 100644 index 000000000000..e9b43d6145c2 --- /dev/null +++ b/tests/ui/coercion/coerce-issue-49593-box-never.fallback.stderr @@ -0,0 +1,11 @@ +error[E0277]: the trait bound `(): std::error::Error` is not satisfied + --> $DIR/coerce-issue-49593-box-never.rs:19:5 + | +LL | Box::<_ /* ! */>::new(x) + | ^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `()` + | + = note: required for the cast from `Box<()>` to `Box<(dyn std::error::Error + 'static)>` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/coercion/coerce-issue-49593-box-never.nofallback.stderr b/tests/ui/coercion/coerce-issue-49593-box-never.nofallback.stderr index 0d98fa93e5a4..1215f5f9d885 100644 --- a/tests/ui/coercion/coerce-issue-49593-box-never.nofallback.stderr +++ b/tests/ui/coercion/coerce-issue-49593-box-never.nofallback.stderr @@ -1,13 +1,13 @@ error[E0277]: the trait bound `(): std::error::Error` is not satisfied - --> $DIR/coerce-issue-49593-box-never.rs:18:53 + --> $DIR/coerce-issue-49593-box-never.rs:19:5 | -LL | /* *mut $0 is coerced to Box here */ Box::<_ /* ! */>::new(x) - | ^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `()` +LL | Box::<_ /* ! */>::new(x) + | ^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `()` | = note: required for the cast from `Box<()>` to `Box<(dyn std::error::Error + 'static)>` error[E0277]: the trait bound `(): std::error::Error` is not satisfied - --> $DIR/coerce-issue-49593-box-never.rs:23:49 + --> $DIR/coerce-issue-49593-box-never.rs:24:49 | LL | /* *mut $0 is coerced to *mut Error here */ raw_ptr_box::<_ /* ! */>(x) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `()` diff --git a/tests/ui/coercion/coerce-issue-49593-box-never.rs b/tests/ui/coercion/coerce-issue-49593-box-never.rs index 19a2c036fbcb..f93fbb70dce6 100644 --- a/tests/ui/coercion/coerce-issue-49593-box-never.rs +++ b/tests/ui/coercion/coerce-issue-49593-box-never.rs @@ -1,7 +1,6 @@ //@ revisions: nofallback fallback //@ ignore-windows - the number of `Error` impls is platform-dependent -//@[fallback] check-pass -//@[nofallback] check-fail +//@check-fail #![feature(never_type)] #![cfg_attr(fallback, feature(never_type_fallback))] @@ -15,8 +14,10 @@ fn raw_ptr_box(t: T) -> *mut T { } fn foo(x: !) -> Box { - /* *mut $0 is coerced to Box here */ Box::<_ /* ! */>::new(x) - //[nofallback]~^ ERROR trait bound `(): std::error::Error` is not satisfied + // Subtyping during method resolution will generate new inference vars and + // subtype them. Thus fallback will not fall back to `!`, but `()` instead. + Box::<_ /* ! */>::new(x) + //~^ ERROR trait bound `(): std::error::Error` is not satisfied } fn foo_raw_ptr(x: !) -> *mut dyn Error { diff --git a/tests/ui/const-generics/generic_arg_infer/issue-91614.stderr b/tests/ui/const-generics/generic_arg_infer/issue-91614.stderr index 5ee42c19dd3d..563406ad5eaa 100644 --- a/tests/ui/const-generics/generic_arg_infer/issue-91614.stderr +++ b/tests/ui/const-generics/generic_arg_infer/issue-91614.stderr @@ -15,7 +15,7 @@ note: required by a bound in `Mask::::splat` --> $SRC_DIR/core/src/../../portable-simd/crates/core_simd/src/masks.rs:LL:COL help: consider giving `y` an explicit type, where the type for type parameter `T` is specified | -LL | let y: Mask<_, N> = Mask::<_, _>::splat(false); +LL | let y: Mask = Mask::<_, _>::splat(false); | ++++++++++++ error: aborting due to 1 previous error diff --git a/tests/ui/inference/need_type_info/type-alias-indirect.stderr b/tests/ui/inference/need_type_info/type-alias-indirect.stderr index 535c0044aec0..5c5b4c149c17 100644 --- a/tests/ui/inference/need_type_info/type-alias-indirect.stderr +++ b/tests/ui/inference/need_type_info/type-alias-indirect.stderr @@ -2,7 +2,7 @@ error[E0282]: type annotations needed --> $DIR/type-alias-indirect.rs:14:5 | LL | IndirectAlias::new(); - | ^^^^^^^^^^^^^ cannot infer type for type parameter `T` declared on the type alias `IndirectAlias` + | ^^^^^^^^^^^^^^^^^^^^ cannot infer type for type parameter `T` declared on the type alias `IndirectAlias` error: aborting due to 1 previous error diff --git a/tests/ui/inference/need_type_info/type-alias.stderr b/tests/ui/inference/need_type_info/type-alias.stderr index 2c39a3f56466..fd9bcf2fe3f3 100644 --- a/tests/ui/inference/need_type_info/type-alias.stderr +++ b/tests/ui/inference/need_type_info/type-alias.stderr @@ -2,19 +2,19 @@ error[E0282]: type annotations needed --> $DIR/type-alias.rs:12:5 | LL | DirectAlias::new() - | ^^^^^^^^^^^^^^^^^^ cannot infer type for type parameter `T` + | ^^^^^^^^^^^^^^^^^^ cannot infer type for type parameter `T` declared on the type alias `DirectAlias` error[E0282]: type annotations needed --> $DIR/type-alias.rs:18:5 | LL | IndirectAlias::new(); - | ^^^^^^^^^^^^^ cannot infer type for type parameter `T` declared on the type alias `IndirectAlias` + | ^^^^^^^^^^^^^^^^^^^^ cannot infer type for type parameter `T` declared on the type alias `IndirectAlias` error[E0282]: type annotations needed --> $DIR/type-alias.rs:32:5 | LL | DirectButWithDefaultAlias::new(); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type for type parameter `T` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type for type parameter `T` declared on the type alias `DirectButWithDefaultAlias` error: aborting due to 3 previous errors diff --git a/tests/ui/suggestions/mut-borrow-needed-by-trait.rs b/tests/ui/suggestions/mut-borrow-needed-by-trait.rs index 66e1e77c905e..924bfd82eb83 100644 --- a/tests/ui/suggestions/mut-borrow-needed-by-trait.rs +++ b/tests/ui/suggestions/mut-borrow-needed-by-trait.rs @@ -17,6 +17,7 @@ fn main() { let fp = BufWriter::new(fp); //~^ ERROR the trait bound `&dyn std::io::Write: std::io::Write` is not satisfied //~| ERROR the trait bound `&dyn std::io::Write: std::io::Write` is not satisfied + //~| ERROR the trait bound `&dyn std::io::Write: std::io::Write` is not satisfied writeln!(fp, "hello world").unwrap(); //~ ERROR the method } diff --git a/tests/ui/suggestions/mut-borrow-needed-by-trait.stderr b/tests/ui/suggestions/mut-borrow-needed-by-trait.stderr index 09a9b1d3b348..b2f9150142fe 100644 --- a/tests/ui/suggestions/mut-borrow-needed-by-trait.stderr +++ b/tests/ui/suggestions/mut-borrow-needed-by-trait.stderr @@ -10,6 +10,16 @@ LL | let fp = BufWriter::new(fp); note: required by a bound in `BufWriter::::new` --> $SRC_DIR/std/src/io/buffered/bufwriter.rs:LL:COL +error[E0277]: the trait bound `&dyn std::io::Write: std::io::Write` is not satisfied + --> $DIR/mut-borrow-needed-by-trait.rs:17:14 + | +LL | let fp = BufWriter::new(fp); + | ^^^^^^^^^ the trait `std::io::Write` is not implemented for `&dyn std::io::Write` + | + = note: `std::io::Write` is implemented for `&mut dyn std::io::Write`, but not for `&dyn std::io::Write` +note: required by a bound in `BufWriter` + --> $SRC_DIR/std/src/io/buffered/bufwriter.rs:LL:COL + error[E0277]: the trait bound `&dyn std::io::Write: std::io::Write` is not satisfied --> $DIR/mut-borrow-needed-by-trait.rs:17:14 | @@ -21,13 +31,13 @@ note: required by a bound in `BufWriter` --> $SRC_DIR/std/src/io/buffered/bufwriter.rs:LL:COL error[E0599]: the method `write_fmt` exists for struct `BufWriter<&dyn Write>`, but its trait bounds were not satisfied - --> $DIR/mut-borrow-needed-by-trait.rs:21:14 + --> $DIR/mut-borrow-needed-by-trait.rs:22:14 | LL | writeln!(fp, "hello world").unwrap(); | ---------^^---------------- method cannot be called on `BufWriter<&dyn Write>` due to unsatisfied trait bounds | note: must implement `io::Write`, `fmt::Write`, or have a `write_fmt` method - --> $DIR/mut-borrow-needed-by-trait.rs:21:14 + --> $DIR/mut-borrow-needed-by-trait.rs:22:14 | LL | writeln!(fp, "hello world").unwrap(); | ^^ @@ -35,7 +45,7 @@ LL | writeln!(fp, "hello world").unwrap(); `&dyn std::io::Write: std::io::Write` which is required by `BufWriter<&dyn std::io::Write>: std::io::Write` -error: aborting due to 3 previous errors +error: aborting due to 4 previous errors Some errors have detailed explanations: E0277, E0599. For more information about an error, try `rustc --explain E0277`. From 3e6e6b190d005b9cb8d1eca529598a89d7c2f23f Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Mon, 17 Jun 2024 09:21:25 +0000 Subject: [PATCH 1634/1716] Remove windows-specific copy of test --- ...-49593-box-never-windows.nofallback.stderr | 19 ------ .../coerce-issue-49593-box-never-windows.rs | 58 ------------------- ...erce-issue-49593-box-never.fallback.stderr | 2 +- ...ce-issue-49593-box-never.nofallback.stderr | 8 +-- .../coercion/coerce-issue-49593-box-never.rs | 11 ++-- 5 files changed, 10 insertions(+), 88 deletions(-) delete mode 100644 tests/ui/coercion/coerce-issue-49593-box-never-windows.nofallback.stderr delete mode 100644 tests/ui/coercion/coerce-issue-49593-box-never-windows.rs diff --git a/tests/ui/coercion/coerce-issue-49593-box-never-windows.nofallback.stderr b/tests/ui/coercion/coerce-issue-49593-box-never-windows.nofallback.stderr deleted file mode 100644 index b976f70acf76..000000000000 --- a/tests/ui/coercion/coerce-issue-49593-box-never-windows.nofallback.stderr +++ /dev/null @@ -1,19 +0,0 @@ -error[E0277]: the trait bound `(): std::error::Error` is not satisfied - --> $DIR/coerce-issue-49593-box-never-windows.rs:18:53 - | -LL | /* *mut $0 is coerced to Box here */ Box::<_ /* ! */>::new(x) - | ^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `()` - | - = note: required for the cast from `Box<()>` to `Box<(dyn std::error::Error + 'static)>` - -error[E0277]: the trait bound `(): std::error::Error` is not satisfied - --> $DIR/coerce-issue-49593-box-never-windows.rs:23:49 - | -LL | /* *mut $0 is coerced to *mut Error here */ raw_ptr_box::<_ /* ! */>(x) - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `()` - | - = note: required for the cast from `*mut ()` to `*mut (dyn std::error::Error + 'static)` - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/coercion/coerce-issue-49593-box-never-windows.rs b/tests/ui/coercion/coerce-issue-49593-box-never-windows.rs deleted file mode 100644 index b317841ab6e7..000000000000 --- a/tests/ui/coercion/coerce-issue-49593-box-never-windows.rs +++ /dev/null @@ -1,58 +0,0 @@ -//@ revisions: nofallback fallback -//@ only-windows - the number of `Error` impls is platform-dependent -//@[fallback] check-pass -//@[nofallback] check-fail - -#![feature(never_type)] -#![cfg_attr(fallback, feature(never_type_fallback))] -#![allow(unreachable_code)] - -use std::error::Error; -use std::mem; - -fn raw_ptr_box(t: T) -> *mut T { - panic!() -} - -fn foo(x: !) -> Box { - /* *mut $0 is coerced to Box here */ Box::<_ /* ! */>::new(x) - //[nofallback]~^ ERROR trait bound `(): std::error::Error` is not satisfied -} - -fn foo_raw_ptr(x: !) -> *mut dyn Error { - /* *mut $0 is coerced to *mut Error here */ raw_ptr_box::<_ /* ! */>(x) - //[nofallback]~^ ERROR trait bound `(): std::error::Error` is not satisfied -} - -fn no_coercion(d: *mut dyn Error) -> *mut dyn Error { - /* an unsize coercion won't compile here, and it is indeed not used - because there is nothing requiring the _ to be Sized */ - d as *mut _ -} - -trait Xyz {} -struct S; -struct T; -impl Xyz for S {} -impl Xyz for T {} - -fn foo_no_never() { - let mut x /* : Option */ = None; - let mut first_iter = false; - loop { - if !first_iter { - let y: Box - = /* Box<$0> is coerced to Box here */ Box::new(x.unwrap()); - } - - x = Some(S); - first_iter = true; - } - - let mut y : Option = None; - // assert types are equal - mem::swap(&mut x, &mut y); -} - -fn main() { -} diff --git a/tests/ui/coercion/coerce-issue-49593-box-never.fallback.stderr b/tests/ui/coercion/coerce-issue-49593-box-never.fallback.stderr index e9b43d6145c2..ef5633f71348 100644 --- a/tests/ui/coercion/coerce-issue-49593-box-never.fallback.stderr +++ b/tests/ui/coercion/coerce-issue-49593-box-never.fallback.stderr @@ -1,5 +1,5 @@ error[E0277]: the trait bound `(): std::error::Error` is not satisfied - --> $DIR/coerce-issue-49593-box-never.rs:19:5 + --> $DIR/coerce-issue-49593-box-never.rs:18:5 | LL | Box::<_ /* ! */>::new(x) | ^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `()` diff --git a/tests/ui/coercion/coerce-issue-49593-box-never.nofallback.stderr b/tests/ui/coercion/coerce-issue-49593-box-never.nofallback.stderr index 1215f5f9d885..7222af43b013 100644 --- a/tests/ui/coercion/coerce-issue-49593-box-never.nofallback.stderr +++ b/tests/ui/coercion/coerce-issue-49593-box-never.nofallback.stderr @@ -1,5 +1,5 @@ error[E0277]: the trait bound `(): std::error::Error` is not satisfied - --> $DIR/coerce-issue-49593-box-never.rs:19:5 + --> $DIR/coerce-issue-49593-box-never.rs:18:5 | LL | Box::<_ /* ! */>::new(x) | ^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `()` @@ -7,10 +7,10 @@ LL | Box::<_ /* ! */>::new(x) = note: required for the cast from `Box<()>` to `Box<(dyn std::error::Error + 'static)>` error[E0277]: the trait bound `(): std::error::Error` is not satisfied - --> $DIR/coerce-issue-49593-box-never.rs:24:49 + --> $DIR/coerce-issue-49593-box-never.rs:24:5 | -LL | /* *mut $0 is coerced to *mut Error here */ raw_ptr_box::<_ /* ! */>(x) - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `()` +LL | raw_ptr_box::<_ /* ! */>(x) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `()` | = note: required for the cast from `*mut ()` to `*mut (dyn std::error::Error + 'static)` diff --git a/tests/ui/coercion/coerce-issue-49593-box-never.rs b/tests/ui/coercion/coerce-issue-49593-box-never.rs index f93fbb70dce6..53071be47dcb 100644 --- a/tests/ui/coercion/coerce-issue-49593-box-never.rs +++ b/tests/ui/coercion/coerce-issue-49593-box-never.rs @@ -1,5 +1,4 @@ //@ revisions: nofallback fallback -//@ ignore-windows - the number of `Error` impls is platform-dependent //@check-fail #![feature(never_type)] @@ -21,13 +20,14 @@ fn foo(x: !) -> Box { } fn foo_raw_ptr(x: !) -> *mut dyn Error { - /* *mut $0 is coerced to *mut Error here */ raw_ptr_box::<_ /* ! */>(x) + /* *mut $0 is coerced to *mut Error here */ + raw_ptr_box::<_ /* ! */>(x) //[nofallback]~^ ERROR trait bound `(): std::error::Error` is not satisfied } fn no_coercion(d: *mut dyn Error) -> *mut dyn Error { /* an unsize coercion won't compile here, and it is indeed not used - because there is nothing requiring the _ to be Sized */ + because there is nothing requiring the _ to be Sized */ d as *mut _ } @@ -50,10 +50,9 @@ fn foo_no_never() { first_iter = true; } - let mut y : Option = None; + let mut y: Option = None; // assert types are equal mem::swap(&mut x, &mut y); } -fn main() { -} +fn main() {} From 6f5b0efb28593d355a6f8bcf2eea78ff396ff1aa Mon Sep 17 00:00:00 2001 From: Mads Marquart Date: Mon, 17 Jun 2024 13:15:09 +0200 Subject: [PATCH 1635/1716] Add badboy and BlackHoleFox as Mac Catalyst maintainers --- src/doc/rustc/src/platform-support/apple-ios-macabi.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/doc/rustc/src/platform-support/apple-ios-macabi.md b/src/doc/rustc/src/platform-support/apple-ios-macabi.md index 278ee94b6d4e..15ba31e0f064 100644 --- a/src/doc/rustc/src/platform-support/apple-ios-macabi.md +++ b/src/doc/rustc/src/platform-support/apple-ios-macabi.md @@ -9,6 +9,8 @@ Apple Mac Catalyst targets. ## Target maintainers +- [@badboy](https://github.com/badboy) +- [@BlackHoleFox](https://github.com/BlackHoleFox) - [@madsmtm](https://github.com/madsmtm) ## Requirements From abc2c702af0b7b2eb36fb35839a322f5789af141 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Mon, 17 Jun 2024 20:09:45 +1000 Subject: [PATCH 1636/1716] coverage: Add debugging flag `-Zcoverage-options=no-mir-spans` When set, this flag skips the code that normally extracts coverage spans from MIR statements and terminators. That sometimes makes it easier to debug branch coverage and MC/DC coverage, because the coverage output is less noisy. For internal debugging only. If other code changes would make it hard to keep supporting this flag, remove it. --- compiler/rustc_interface/src/tests.rs | 2 +- .../src/coverage/mappings.rs | 35 +++++---- .../rustc_mir_transform/src/coverage/mod.rs | 8 +- compiler/rustc_session/src/config.rs | 9 ++- compiler/rustc_session/src/options.rs | 4 +- compiler/rustc_session/src/session.rs | 5 ++ tests/coverage/branch/no-mir-spans.cov-map | 52 +++++++++++++ tests/coverage/branch/no-mir-spans.coverage | 77 +++++++++++++++++++ tests/coverage/branch/no-mir-spans.rs | 62 +++++++++++++++ .../coverage-options.bad.stderr | 2 +- 10 files changed, 235 insertions(+), 21 deletions(-) create mode 100644 tests/coverage/branch/no-mir-spans.cov-map create mode 100644 tests/coverage/branch/no-mir-spans.coverage create mode 100644 tests/coverage/branch/no-mir-spans.rs diff --git a/compiler/rustc_interface/src/tests.rs b/compiler/rustc_interface/src/tests.rs index 6538995926a5..fa3e44e7744a 100644 --- a/compiler/rustc_interface/src/tests.rs +++ b/compiler/rustc_interface/src/tests.rs @@ -761,7 +761,7 @@ fn test_unstable_options_tracking_hash() { }) ); tracked!(codegen_backend, Some("abc".to_string())); - tracked!(coverage_options, CoverageOptions { level: CoverageLevel::Mcdc }); + tracked!(coverage_options, CoverageOptions { level: CoverageLevel::Mcdc, no_mir_spans: true }); tracked!(crate_attr, vec!["abc".to_string()]); tracked!(cross_crate_inline_threshold, InliningThreshold::Always); tracked!(debug_info_for_profiling, true); diff --git a/compiler/rustc_mir_transform/src/coverage/mappings.rs b/compiler/rustc_mir_transform/src/coverage/mappings.rs index 0e209757100c..759bb7c1f9d9 100644 --- a/compiler/rustc_mir_transform/src/coverage/mappings.rs +++ b/compiler/rustc_mir_transform/src/coverage/mappings.rs @@ -5,6 +5,7 @@ use rustc_index::bit_set::BitSet; use rustc_index::IndexVec; use rustc_middle::mir::coverage::{BlockMarkerId, BranchSpan, ConditionInfo, CoverageKind}; use rustc_middle::mir::{self, BasicBlock, StatementKind}; +use rustc_middle::ty::TyCtxt; use rustc_span::Span; use crate::coverage::graph::{BasicCoverageBlock, CoverageGraph, START_BCB}; @@ -63,30 +64,34 @@ pub(super) struct ExtractedMappings { /// Extracts coverage-relevant spans from MIR, and associates them with /// their corresponding BCBs. -pub(super) fn extract_all_mapping_info_from_mir( - mir_body: &mir::Body<'_>, +pub(super) fn extract_all_mapping_info_from_mir<'tcx>( + tcx: TyCtxt<'tcx>, + mir_body: &mir::Body<'tcx>, hir_info: &ExtractedHirInfo, basic_coverage_blocks: &CoverageGraph, ) -> ExtractedMappings { - if hir_info.is_async_fn { - // An async function desugars into a function that returns a future, - // with the user code wrapped in a closure. Any spans in the desugared - // outer function will be unhelpful, so just keep the signature span - // and ignore all of the spans in the MIR body. - let mut mappings = ExtractedMappings::default(); - if let Some(span) = hir_info.fn_sig_span_extended { - mappings.code_mappings.push(CodeMapping { span, bcb: START_BCB }); - } - return mappings; - } - let mut code_mappings = vec![]; let mut branch_pairs = vec![]; let mut mcdc_bitmap_bytes = 0; let mut mcdc_branches = vec![]; let mut mcdc_decisions = vec![]; - extract_refined_covspans(mir_body, hir_info, basic_coverage_blocks, &mut code_mappings); + if hir_info.is_async_fn || tcx.sess.coverage_no_mir_spans() { + // An async function desugars into a function that returns a future, + // with the user code wrapped in a closure. Any spans in the desugared + // outer function will be unhelpful, so just keep the signature span + // and ignore all of the spans in the MIR body. + // + // When debugging flag `-Zcoverage-options=no-mir-spans` is set, we need + // to give the same treatment to _all_ functions, because `llvm-cov` + // seems to ignore functions that don't have any ordinary code spans. + if let Some(span) = hir_info.fn_sig_span_extended { + code_mappings.push(CodeMapping { span, bcb: START_BCB }); + } + } else { + // Extract coverage spans from MIR statements/terminators as normal. + extract_refined_covspans(mir_body, hir_info, basic_coverage_blocks, &mut code_mappings); + } branch_pairs.extend(extract_branch_pairs(mir_body, hir_info, basic_coverage_blocks)); diff --git a/compiler/rustc_mir_transform/src/coverage/mod.rs b/compiler/rustc_mir_transform/src/coverage/mod.rs index 419e39bc3867..4a64d21f3d17 100644 --- a/compiler/rustc_mir_transform/src/coverage/mod.rs +++ b/compiler/rustc_mir_transform/src/coverage/mod.rs @@ -71,8 +71,12 @@ fn instrument_function_for_coverage<'tcx>(tcx: TyCtxt<'tcx>, mir_body: &mut mir: //////////////////////////////////////////////////// // Extract coverage spans and other mapping info from MIR. - let extracted_mappings = - mappings::extract_all_mapping_info_from_mir(mir_body, &hir_info, &basic_coverage_blocks); + let extracted_mappings = mappings::extract_all_mapping_info_from_mir( + tcx, + mir_body, + &hir_info, + &basic_coverage_blocks, + ); //////////////////////////////////////////////////// // Create an optimized mix of `Counter`s and `Expression`s for the `CoverageGraph`. Ensure diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs index a622f1b577df..5f9c3a14d603 100644 --- a/compiler/rustc_session/src/config.rs +++ b/compiler/rustc_session/src/config.rs @@ -149,7 +149,14 @@ pub enum InstrumentCoverage { #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, Default)] pub struct CoverageOptions { pub level: CoverageLevel, - // Other boolean or enum-valued options might be added here. + + /// `-Z coverage-options=no-mir-spans`: Don't extract block coverage spans + /// from MIR statements/terminators, making it easier to inspect/debug + /// branch and MC/DC coverage mappings. + /// + /// For internal debugging only. If other code changes would make it hard + /// to keep supporting this flag, remove it. + pub no_mir_spans: bool, } /// Controls whether branch coverage or MC/DC coverage is enabled. diff --git a/compiler/rustc_session/src/options.rs b/compiler/rustc_session/src/options.rs index fd4a3a9e6ceb..145af50117cb 100644 --- a/compiler/rustc_session/src/options.rs +++ b/compiler/rustc_session/src/options.rs @@ -395,7 +395,8 @@ mod desc { pub const parse_optimization_fuel: &str = "crate=integer"; pub const parse_dump_mono_stats: &str = "`markdown` (default) or `json`"; pub const parse_instrument_coverage: &str = parse_bool; - pub const parse_coverage_options: &str = "`block` | `branch` | `condition` | `mcdc`"; + pub const parse_coverage_options: &str = + "`block` | `branch` | `condition` | `mcdc` | `no-mir-spans`"; pub const parse_instrument_xray: &str = "either a boolean (`yes`, `no`, `on`, `off`, etc), or a comma separated list of settings: `always` or `never` (mutually exclusive), `ignore-loops`, `instruction-threshold=N`, `skip-entry`, `skip-exit`"; pub const parse_unpretty: &str = "`string` or `string=string`"; pub const parse_treat_err_as_bug: &str = "either no value or a non-negative number"; @@ -963,6 +964,7 @@ mod parse { "branch" => slot.level = CoverageLevel::Branch, "condition" => slot.level = CoverageLevel::Condition, "mcdc" => slot.level = CoverageLevel::Mcdc, + "no-mir-spans" => slot.no_mir_spans = true, _ => return false, } } diff --git a/compiler/rustc_session/src/session.rs b/compiler/rustc_session/src/session.rs index 87bbfcf07c84..20e50ef1b4a0 100644 --- a/compiler/rustc_session/src/session.rs +++ b/compiler/rustc_session/src/session.rs @@ -363,6 +363,11 @@ impl Session { && self.opts.unstable_opts.coverage_options.level >= CoverageLevel::Mcdc } + /// True if `-Zcoverage-options=no-mir-spans` was passed. + pub fn coverage_no_mir_spans(&self) -> bool { + self.opts.unstable_opts.coverage_options.no_mir_spans + } + pub fn is_sanitizer_cfi_enabled(&self) -> bool { self.opts.unstable_opts.sanitizer.contains(SanitizerSet::CFI) } diff --git a/tests/coverage/branch/no-mir-spans.cov-map b/tests/coverage/branch/no-mir-spans.cov-map new file mode 100644 index 000000000000..cb19211913f8 --- /dev/null +++ b/tests/coverage/branch/no-mir-spans.cov-map @@ -0,0 +1,52 @@ +Function name: no_mir_spans::while_cond +Raw bytes (16): 0x[01, 01, 00, 02, 01, 10, 01, 00, 11, 20, 05, 09, 04, 0b, 00, 10] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 0 +Number of file 0 mappings: 2 +- Code(Counter(0)) at (prev + 16, 1) to (start + 0, 17) +- Branch { true: Counter(1), false: Counter(2) } at (prev + 4, 11) to (start + 0, 16) + true = c1 + false = c2 + +Function name: no_mir_spans::while_cond_not +Raw bytes (16): 0x[01, 01, 00, 02, 01, 19, 01, 00, 15, 20, 09, 05, 04, 0b, 00, 14] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 0 +Number of file 0 mappings: 2 +- Code(Counter(0)) at (prev + 25, 1) to (start + 0, 21) +- Branch { true: Counter(2), false: Counter(1) } at (prev + 4, 11) to (start + 0, 20) + true = c2 + false = c1 + +Function name: no_mir_spans::while_op_and +Raw bytes (25): 0x[01, 01, 01, 09, 0d, 03, 01, 22, 01, 00, 13, 20, 09, 05, 05, 0b, 00, 10, 20, 02, 0d, 00, 14, 00, 19] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 1 +- expression 0 operands: lhs = Counter(2), rhs = Counter(3) +Number of file 0 mappings: 3 +- Code(Counter(0)) at (prev + 34, 1) to (start + 0, 19) +- Branch { true: Counter(2), false: Counter(1) } at (prev + 5, 11) to (start + 0, 16) + true = c2 + false = c1 +- Branch { true: Expression(0, Sub), false: Counter(3) } at (prev + 0, 20) to (start + 0, 25) + true = (c2 - c3) + false = c3 + +Function name: no_mir_spans::while_op_or +Raw bytes (25): 0x[01, 01, 01, 09, 0d, 03, 01, 2d, 01, 00, 12, 20, 05, 09, 05, 0b, 00, 10, 20, 0d, 02, 00, 14, 00, 19] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 1 +- expression 0 operands: lhs = Counter(2), rhs = Counter(3) +Number of file 0 mappings: 3 +- Code(Counter(0)) at (prev + 45, 1) to (start + 0, 18) +- Branch { true: Counter(1), false: Counter(2) } at (prev + 5, 11) to (start + 0, 16) + true = c1 + false = c2 +- Branch { true: Counter(3), false: Expression(0, Sub) } at (prev + 0, 20) to (start + 0, 25) + true = c3 + false = (c2 - c3) + diff --git a/tests/coverage/branch/no-mir-spans.coverage b/tests/coverage/branch/no-mir-spans.coverage new file mode 100644 index 000000000000..2cae98ed3ff4 --- /dev/null +++ b/tests/coverage/branch/no-mir-spans.coverage @@ -0,0 +1,77 @@ + LL| |#![feature(coverage_attribute)] + LL| |//@ edition: 2021 + LL| |//@ compile-flags: -Zcoverage-options=branch,no-mir-spans + LL| |//@ llvm-cov-flags: --show-branches=count + LL| | + LL| |// Tests the behaviour of the `-Zcoverage-options=no-mir-spans` debugging flag. + LL| |// The actual code below is just some non-trivial code copied from another test + LL| |// (`while.rs`), and has no particular significance. + LL| | + LL| |macro_rules! no_merge { + LL| | () => { + LL| | for _ in 0..1 {} + LL| | }; + LL| |} + LL| | + LL| 1|fn while_cond() { + LL| | no_merge!(); + LL| | + LL| | let mut a = 8; + LL| | while a > 0 { + ------------------ + | Branch (LL:11): [True: 8, False: 1] + ------------------ + LL| | a -= 1; + LL| | } + LL| |} + LL| | + LL| 1|fn while_cond_not() { + LL| | no_merge!(); + LL| | + LL| | let mut a = 8; + LL| | while !(a == 0) { + ------------------ + | Branch (LL:11): [True: 8, False: 1] + ------------------ + LL| | a -= 1; + LL| | } + LL| |} + LL| | + LL| 1|fn while_op_and() { + LL| | no_merge!(); + LL| | + LL| | let mut a = 8; + LL| | let mut b = 4; + LL| | while a > 0 && b > 0 { + ------------------ + | Branch (LL:11): [True: 5, False: 0] + | Branch (LL:20): [True: 4, False: 1] + ------------------ + LL| | a -= 1; + LL| | b -= 1; + LL| | } + LL| |} + LL| | + LL| 1|fn while_op_or() { + LL| | no_merge!(); + LL| | + LL| | let mut a = 4; + LL| | let mut b = 8; + LL| | while a > 0 || b > 0 { + ------------------ + | Branch (LL:11): [True: 4, False: 5] + | Branch (LL:20): [True: 4, False: 1] + ------------------ + LL| | a -= 1; + LL| | b -= 1; + LL| | } + LL| |} + LL| | + LL| |#[coverage(off)] + LL| |fn main() { + LL| | while_cond(); + LL| | while_cond_not(); + LL| | while_op_and(); + LL| | while_op_or(); + LL| |} + diff --git a/tests/coverage/branch/no-mir-spans.rs b/tests/coverage/branch/no-mir-spans.rs new file mode 100644 index 000000000000..acb268f2d455 --- /dev/null +++ b/tests/coverage/branch/no-mir-spans.rs @@ -0,0 +1,62 @@ +#![feature(coverage_attribute)] +//@ edition: 2021 +//@ compile-flags: -Zcoverage-options=branch,no-mir-spans +//@ llvm-cov-flags: --show-branches=count + +// Tests the behaviour of the `-Zcoverage-options=no-mir-spans` debugging flag. +// The actual code below is just some non-trivial code copied from another test +// (`while.rs`), and has no particular significance. + +macro_rules! no_merge { + () => { + for _ in 0..1 {} + }; +} + +fn while_cond() { + no_merge!(); + + let mut a = 8; + while a > 0 { + a -= 1; + } +} + +fn while_cond_not() { + no_merge!(); + + let mut a = 8; + while !(a == 0) { + a -= 1; + } +} + +fn while_op_and() { + no_merge!(); + + let mut a = 8; + let mut b = 4; + while a > 0 && b > 0 { + a -= 1; + b -= 1; + } +} + +fn while_op_or() { + no_merge!(); + + let mut a = 4; + let mut b = 8; + while a > 0 || b > 0 { + a -= 1; + b -= 1; + } +} + +#[coverage(off)] +fn main() { + while_cond(); + while_cond_not(); + while_op_and(); + while_op_or(); +} diff --git a/tests/ui/instrument-coverage/coverage-options.bad.stderr b/tests/ui/instrument-coverage/coverage-options.bad.stderr index 4a272cf97fb0..1a6b30dc8324 100644 --- a/tests/ui/instrument-coverage/coverage-options.bad.stderr +++ b/tests/ui/instrument-coverage/coverage-options.bad.stderr @@ -1,2 +1,2 @@ -error: incorrect value `bad` for unstable option `coverage-options` - `block` | `branch` | `condition` | `mcdc` was expected +error: incorrect value `bad` for unstable option `coverage-options` - `block` | `branch` | `condition` | `mcdc` | `no-mir-spans` was expected From 91d05ba557c27105b5c52a7a9725722aa3af2eb1 Mon Sep 17 00:00:00 2001 From: Vadim Petrochenkov Date: Mon, 17 Jun 2024 15:28:24 +0300 Subject: [PATCH 1637/1716] [perf] More span update benchmarking --- compiler/rustc_span/src/span_encoding.rs | 41 +++++++----------------- 1 file changed, 11 insertions(+), 30 deletions(-) diff --git a/compiler/rustc_span/src/span_encoding.rs b/compiler/rustc_span/src/span_encoding.rs index 31d2a9db01df..116056a69c1f 100644 --- a/compiler/rustc_span/src/span_encoding.rs +++ b/compiler/rustc_span/src/span_encoding.rs @@ -327,43 +327,24 @@ impl Span { // interner and can fall back to `Span::new`. #[inline] pub fn map_ctxt(self, update: impl FnOnce(SyntaxContext) -> SyntaxContext) -> Span { - let (updated_ctxt32, data); match_span_kind! { self, InlineCtxt(span) => { - updated_ctxt32 = update(SyntaxContext::from_u16(span.ctxt)).as_u32(); + let updated_ctxt32 = update(SyntaxContext::from_u16(span.ctxt)).as_u32(); // Any small new context including zero will preserve the format. - if updated_ctxt32 <= MAX_CTXT { - return InlineCtxt::span(span.lo, span.len, updated_ctxt32 as u16); - } - data = span.data(); - }, - InlineParent(span) => { - updated_ctxt32 = update(SyntaxContext::root()).as_u32(); - // Only if the new context is zero the format will be preserved. - if updated_ctxt32 == 0 { - // Do nothing. - return self; - } - data = span.data(); - }, - PartiallyInterned(span) => { - updated_ctxt32 = update(SyntaxContext::from_u16(span.ctxt)).as_u32(); - // Any small new context excluding zero will preserve the format. - // Zero may change the format to `InlineParent` if parent and len are small enough. - if updated_ctxt32 <= MAX_CTXT && updated_ctxt32 != 0 { - return PartiallyInterned::span(span.index, updated_ctxt32 as u16); - } - data = span.data(); - }, - Interned(span) => { - data = span.data(); - updated_ctxt32 = update(data.ctxt).as_u32(); + return if updated_ctxt32 <= MAX_CTXT { + InlineCtxt::span(span.lo, span.len, updated_ctxt32 as u16) + } else { + span.data().with_ctxt(SyntaxContext::from_u32(updated_ctxt32)) + }; }, + InlineParent(_span) => {}, + PartiallyInterned(_span) => {}, + Interned(_span) => {}, } - // We could not keep the span in the same inline format, fall back to the complete logic. - data.with_ctxt(SyntaxContext::from_u32(updated_ctxt32)) + let data = self.data_untracked(); + data.with_ctxt(update(data.ctxt)) } // Returns either syntactic context, if it can be retrieved without taking the interner lock, From e3e71404ca9b1c441cbea0c74ab780695ac52907 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Tue, 11 Jun 2024 08:42:27 +0200 Subject: [PATCH 1638/1716] fix checking git submodules during a commit hook --- src/bootstrap/src/lib.rs | 37 ++++++++++++++---------------- src/bootstrap/src/utils/helpers.rs | 10 ++++++++ 2 files changed, 27 insertions(+), 20 deletions(-) diff --git a/src/bootstrap/src/lib.rs b/src/bootstrap/src/lib.rs index abf407ea91e6..449d8c128ec6 100644 --- a/src/bootstrap/src/lib.rs +++ b/src/bootstrap/src/lib.rs @@ -520,10 +520,12 @@ impl Build { return; } - // check_submodule - let checked_out_hash = - output(helpers::git(Some(&absolute_path)).args(["rev-parse", "HEAD"])); - // update_submodules + let submodule_git = || helpers::git(Some(&absolute_path)); + + // Determine commit checked out in submodule. + let checked_out_hash = output(submodule_git().args(["rev-parse", "HEAD"])); + let checked_out_hash = checked_out_hash.trim_end(); + // Determine commit that the submodule *should* have. let recorded = output(helpers::git(Some(&self.src)).args(["ls-tree", "HEAD"]).arg(relative_path)); let actual_hash = recorded @@ -531,8 +533,7 @@ impl Build { .nth(2) .unwrap_or_else(|| panic!("unexpected output `{}`", recorded)); - // update_submodule - if actual_hash == checked_out_hash.trim_end() { + if actual_hash == checked_out_hash { // already checked out return; } @@ -581,26 +582,22 @@ impl Build { // Save any local changes, but avoid running `git stash pop` if there are none (since it will exit with an error). // diff-index reports the modifications through the exit status let has_local_modifications = !self.run_cmd( - BootstrapCommand::from(helpers::git(Some(&absolute_path)).args([ - "diff-index", - "--quiet", - "HEAD", - ])) - .allow_failure() - .output_mode(match self.is_verbose() { - true => OutputMode::PrintAll, - false => OutputMode::PrintOutput, - }), + BootstrapCommand::from(submodule_git().args(["diff-index", "--quiet", "HEAD"])) + .allow_failure() + .output_mode(match self.is_verbose() { + true => OutputMode::PrintAll, + false => OutputMode::PrintOutput, + }), ); if has_local_modifications { - self.run(helpers::git(Some(&absolute_path)).args(["stash", "push"])); + self.run(submodule_git().args(["stash", "push"])); } - self.run(helpers::git(Some(&absolute_path)).args(["reset", "-q", "--hard"])); - self.run(helpers::git(Some(&absolute_path)).args(["clean", "-qdfx"])); + self.run(submodule_git().args(["reset", "-q", "--hard"])); + self.run(submodule_git().args(["clean", "-qdfx"])); if has_local_modifications { - self.run(helpers::git(Some(&absolute_path)).args(["stash", "pop"])); + self.run(submodule_git().args(["stash", "pop"])); } } diff --git a/src/bootstrap/src/utils/helpers.rs b/src/bootstrap/src/utils/helpers.rs index 13d1346b3d9a..4b6dc45b436d 100644 --- a/src/bootstrap/src/utils/helpers.rs +++ b/src/bootstrap/src/utils/helpers.rs @@ -501,6 +501,16 @@ pub fn git(source_dir: Option<&Path>) -> Command { if let Some(source_dir) = source_dir { git.current_dir(source_dir); + // If we are running inside git (e.g. via a hook), `GIT_DIR` is set and takes precedence + // over the current dir. Un-set it to make the current dir matter. + git.env_remove("GIT_DIR"); + // Also un-set some other variables, to be on the safe side (based on cargo's + // `fetch_with_cli`). In particular un-setting `GIT_INDEX_FILE` is required to fix some odd + // misbehavior. + git.env_remove("GIT_WORK_TREE") + .env_remove("GIT_INDEX_FILE") + .env_remove("GIT_OBJECT_DIRECTORY") + .env_remove("GIT_ALTERNATE_OBJECT_DIRECTORIES"); } git From a6a78d28e63c535e5b8b5d695eb5bcac0751d47d Mon Sep 17 00:00:00 2001 From: Daria Sukhonina Date: Mon, 17 Jun 2024 17:20:13 +0300 Subject: [PATCH 1639/1716] Add tracking issue to async_drop API --- library/core/src/future/async_drop.rs | 24 ++++++++++++------------ library/core/src/future/mod.rs | 2 +- 2 files changed, 13 insertions(+), 13 deletions(-) diff --git a/library/core/src/future/async_drop.rs b/library/core/src/future/async_drop.rs index 5c3a0a98b105..63193bbfb35e 100644 --- a/library/core/src/future/async_drop.rs +++ b/library/core/src/future/async_drop.rs @@ -1,4 +1,4 @@ -#![unstable(feature = "async_drop", issue = "none")] +#![unstable(feature = "async_drop", issue = "126482")] use crate::fmt; use crate::future::{Future, IntoFuture}; @@ -10,27 +10,27 @@ use crate::task::{ready, Context, Poll}; /// Asynchronously drops a value by running `AsyncDrop::async_drop` /// on a value and its fields recursively. -#[unstable(feature = "async_drop", issue = "none")] +#[unstable(feature = "async_drop", issue = "126482")] pub fn async_drop(value: T) -> AsyncDropOwning { AsyncDropOwning { value: MaybeUninit::new(value), dtor: None, _pinned: PhantomPinned } } /// A future returned by the [`async_drop`]. -#[unstable(feature = "async_drop", issue = "none")] +#[unstable(feature = "async_drop", issue = "126482")] pub struct AsyncDropOwning { value: MaybeUninit, dtor: Option>, _pinned: PhantomPinned, } -#[unstable(feature = "async_drop", issue = "none")] +#[unstable(feature = "async_drop", issue = "126482")] impl fmt::Debug for AsyncDropOwning { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { f.debug_struct("AsyncDropOwning").finish_non_exhaustive() } } -#[unstable(feature = "async_drop", issue = "none")] +#[unstable(feature = "async_drop", issue = "126482")] impl Future for AsyncDropOwning { type Output = (); @@ -86,24 +86,24 @@ unsafe fn async_drop_in_place_raw( /// returned future stores the `to_drop` pointer and user is required /// to guarantee that dropped value doesn't move. /// -#[unstable(feature = "async_drop", issue = "none")] +#[unstable(feature = "async_drop", issue = "126482")] pub unsafe fn async_drop_in_place(to_drop: *mut T) -> AsyncDropInPlace { // SAFETY: `async_drop_in_place_raw` has the same safety requirements unsafe { AsyncDropInPlace(async_drop_in_place_raw(to_drop)) } } /// A future returned by the [`async_drop_in_place`]. -#[unstable(feature = "async_drop", issue = "none")] +#[unstable(feature = "async_drop", issue = "126482")] pub struct AsyncDropInPlace(::AsyncDestructor); -#[unstable(feature = "async_drop", issue = "none")] +#[unstable(feature = "async_drop", issue = "126482")] impl fmt::Debug for AsyncDropInPlace { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { f.debug_struct("AsyncDropInPlace").finish_non_exhaustive() } } -#[unstable(feature = "async_drop", issue = "none")] +#[unstable(feature = "async_drop", issue = "126482")] impl Future for AsyncDropInPlace { type Output = (); @@ -117,18 +117,18 @@ impl Future for AsyncDropInPlace { // FIXME(zetanumbers): Add same restrictions on AsyncDrop impls as // with Drop impls /// Custom code within the asynchronous destructor. -#[unstable(feature = "async_drop", issue = "none")] +#[unstable(feature = "async_drop", issue = "126482")] #[lang = "async_drop"] pub trait AsyncDrop { /// A future returned by the [`AsyncDrop::async_drop`] to be part /// of the async destructor. - #[unstable(feature = "async_drop", issue = "none")] + #[unstable(feature = "async_drop", issue = "126482")] type Dropper<'a>: Future where Self: 'a; /// Constructs the asynchronous destructor for this type. - #[unstable(feature = "async_drop", issue = "none")] + #[unstable(feature = "async_drop", issue = "126482")] fn async_drop(self: Pin<&mut Self>) -> Self::Dropper<'_>; } diff --git a/library/core/src/future/mod.rs b/library/core/src/future/mod.rs index 873cccc7e96f..3a1451abfa40 100644 --- a/library/core/src/future/mod.rs +++ b/library/core/src/future/mod.rs @@ -37,7 +37,7 @@ pub use ready::{ready, Ready}; #[stable(feature = "future_poll_fn", since = "1.64.0")] pub use poll_fn::{poll_fn, PollFn}; -#[unstable(feature = "async_drop", issue = "none")] +#[unstable(feature = "async_drop", issue = "126482")] pub use async_drop::{async_drop, async_drop_in_place, AsyncDrop, AsyncDropInPlace}; /// This type is needed because: From 553204d26d800084431f328612da01c3d15ea01f Mon Sep 17 00:00:00 2001 From: Oneirical Date: Fri, 24 May 2024 10:02:53 -0400 Subject: [PATCH 1640/1716] Rewrite `link-arg` in rmake.rs --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/link-arg/Makefile | 5 ---- tests/run-make/link-arg/rmake.rs | 24 +++++++++++++++++++ 3 files changed, 24 insertions(+), 6 deletions(-) delete mode 100644 tests/run-make/link-arg/Makefile create mode 100644 tests/run-make/link-arg/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index fdd0be79a4de..4ef23a19e79e 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -109,7 +109,6 @@ run-make/libtest-json/Makefile run-make/libtest-junit/Makefile run-make/libtest-padding/Makefile run-make/libtest-thread-limit/Makefile -run-make/link-arg/Makefile run-make/link-args-order/Makefile run-make/link-cfg/Makefile run-make/link-dedup/Makefile diff --git a/tests/run-make/link-arg/Makefile b/tests/run-make/link-arg/Makefile deleted file mode 100644 index 103527c3e14d..000000000000 --- a/tests/run-make/link-arg/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -include ../tools.mk -RUSTC_FLAGS = -C link-arg="-lfoo" -C link-arg="-lbar" --print link-args - -all: - $(RUSTC) $(RUSTC_FLAGS) empty.rs | $(CGREP) lfoo lbar diff --git a/tests/run-make/link-arg/rmake.rs b/tests/run-make/link-arg/rmake.rs new file mode 100644 index 000000000000..dd496101f6a7 --- /dev/null +++ b/tests/run-make/link-arg/rmake.rs @@ -0,0 +1,24 @@ +// In 2016, the rustc flag "-C link-arg" was introduced - it can be repeatedly used +// to add single arguments to the linker. This test passes 2 arguments to the linker using it, +// then checks that the compiler's output contains the arguments passed to it. +// This ensures that the compiler successfully parses this flag. +// See https://github.com/rust-lang/rust/pull/36574 + +use run_make_support::rustc; + +fn main() { + let output = String::from_utf8( + rustc() + .input("empty.rs") + .link_arg("-lfoo") + .link_arg("-lbar") + .print("link-args") + .command_output() + .stdout, + ) + .unwrap(); + assert!( + output.contains("lfoo") || output.contains("lbar"), + "The output did not contain the expected \"lfoo\" or \"lbar\" strings." + ); +} From 5f44f9511d95c8efbae0e1c312e130d91acd1134 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Fri, 24 May 2024 11:22:04 -0400 Subject: [PATCH 1641/1716] rewrite `link-dedup` to rmake --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/link-dedup/rmake.rs | 32 +++++++++++++++++++ 2 files changed, 32 insertions(+), 1 deletion(-) create mode 100644 tests/run-make/link-dedup/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 4ef23a19e79e..6a1809951fd1 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -111,7 +111,6 @@ run-make/libtest-padding/Makefile run-make/libtest-thread-limit/Makefile run-make/link-args-order/Makefile run-make/link-cfg/Makefile -run-make/link-dedup/Makefile run-make/link-framework/Makefile run-make/link-path-order/Makefile run-make/linkage-attr-on-static/Makefile diff --git a/tests/run-make/link-dedup/rmake.rs b/tests/run-make/link-dedup/rmake.rs new file mode 100644 index 000000000000..a0d3ac865426 --- /dev/null +++ b/tests/run-make/link-dedup/rmake.rs @@ -0,0 +1,32 @@ +// When native libraries are passed to the linker, there used to be an annoyance +// where multiple instances of the same library in a row would cause duplication in +// outputs. This has been fixed, and this test checks that it stays fixed. +// With the --cfg flag, -ltestb gets added to the output, breaking up the chain of -ltesta. +// Without the --cfg flag, there should be a single -ltesta, no more, no less. +// See https://github.com/rust-lang/rust/pull/84794 + +//@ ignore-msvc + +fn main() { + rustc().input("depa.rs").run(); + rustc().input("depb.rs").run(); + rustc().input("depc.rs").run(); + let output = + String::from_utf8(rustc().input("empty.rs").cfg("bar").command_output().stderr).unwrap(); + let pos_a1 = + output.find("-ltesta").expect("empty.rs, compiled with --cfg, should contain -ltesta"); + let pos_b = output[pos_a1..] + .find("-ltestb") + .map(|pos| pos + pos_a1) + .expect("empty.rs, compiled with --cfg, should contain -ltestb"); + let _ = output[pos_b..] + .find("-ltesta") + .map(|pos| pos + pos_b) + .expect("empty.rs, compiled with --cfg, should contain a second -ltesta"); + let output = String::from_utf8(rustc().input("empty.rs").command_output().stderr).unwrap(); + assert!(output.contains("-ltesta")); + let output = String::from_utf8(rustc().input("empty.rs").command_output().stderr).unwrap(); + assert!(!output.contains("-ltestb")); + let output = String::from_utf8(rustc().input("empty.rs").command_output().stderr).unwrap(); + assert_eq!(output.matches("-ltesta").count, 1); +} From b7c23761d87c593d239118b647a2cfb8acd3aa28 Mon Sep 17 00:00:00 2001 From: Erick Tryzelaar Date: Fri, 31 May 2024 20:08:29 +0000 Subject: [PATCH 1642/1716] Sync fuchsia test runner with clang test runner This synchronizes the fuchsia test running code with the clang test runner. This brings with it: * Improved logging * Uses the fuchsia image from the SDK version * Caches the product bundle across test runs * Strips the binaries to reduce the data sent to the emulator --- src/ci/docker/scripts/fuchsia-test-runner.py | 1012 +++++++++++------- 1 file changed, 627 insertions(+), 385 deletions(-) diff --git a/src/ci/docker/scripts/fuchsia-test-runner.py b/src/ci/docker/scripts/fuchsia-test-runner.py index d791550a8db8..115ee69a5891 100755 --- a/src/ci/docker/scripts/fuchsia-test-runner.py +++ b/src/ci/docker/scripts/fuchsia-test-runner.py @@ -8,34 +8,137 @@ https://doc.rust-lang.org/stable/rustc/platform-support/fuchsia.html#aarch64-unk """ import argparse +from concurrent.futures import ThreadPoolExecutor from dataclasses import dataclass import glob -import hashlib +import io import json +import logging import os import platform +import shlex import shutil import subprocess import sys -from typing import ClassVar, List +from pathlib import Path +from typing import ClassVar, List, Optional -@dataclass +def check_call_with_logging( + args, *, stdout_handler, stderr_handler, check=True, text=True, **kwargs +): + stdout_handler(f"Subprocess: {shlex.join(str(arg) for arg in args)}") + + with subprocess.Popen( + args, + text=text, + stdout=subprocess.PIPE, + stderr=subprocess.PIPE, + **kwargs, + ) as process: + with ThreadPoolExecutor(max_workers=2) as executor: + + def exhaust_pipe(handler, pipe): + for line in pipe: + handler(line.rstrip()) + + executor_out = executor.submit( + exhaust_pipe, stdout_handler, process.stdout + ) + executor_err = executor.submit( + exhaust_pipe, stderr_handler, process.stderr + ) + executor_out.result() + executor_err.result() + retcode = process.poll() + if check and retcode: + raise subprocess.CalledProcessError(retcode, process.args) + return subprocess.CompletedProcess(process.args, retcode) + + +def check_output_with_logging( + args, *, stdout_handler, stderr_handler, check=True, text=True, **kwargs +): + stdout_handler(f"Subprocess: {shlex.join(str(arg) for arg in args)}") + + buf = io.StringIO() + + with subprocess.Popen( + args, + text=text, + stdout=subprocess.PIPE, + stderr=subprocess.PIPE, + **kwargs, + ) as process: + with ThreadPoolExecutor(max_workers=2) as executor: + + def exhaust_stdout(handler, buf, pipe): + for line in pipe: + handler(line.rstrip()) + buf.write(line) + buf.write("\n") + + def exhaust_stderr(handler, pipe): + for line in pipe: + handler(line.rstrip()) + + executor_out = executor.submit( + exhaust_stdout, stdout_handler, buf, process.stdout + ) + executor_err = executor.submit( + exhaust_stderr, stderr_handler, process.stderr + ) + executor_out.result() + executor_err.result() + retcode = process.poll() + if check and retcode: + raise subprocess.CalledProcessError(retcode, process.args) + + return buf.getvalue() + + +def atomic_link(link: Path, target: Path): + link_dir = link.parent + os.makedirs(link_dir, exist_ok=True) + link_file = link.name + tmp_file = link_dir.joinpath(link_file + "_tmp") + os.link(target, tmp_file) + try: + os.rename(tmp_file, link) + except Exception as e: + raise e + finally: + if tmp_file.exists(): + os.remove(tmp_file) + + +@dataclass(kw_only=True) class TestEnvironment: - rust_build_dir: str - sdk_dir: str + rust_build_dir: Path + sdk_dir: Path target: str + toolchain_dir: Path + local_pb_path: Optional[Path] + use_local_pb: bool verbose: bool = False - @staticmethod - def tmp_dir(): - tmp_dir = os.environ.get("TEST_TOOLCHAIN_TMP_DIR") - if tmp_dir is not None: - return os.path.abspath(tmp_dir) - return os.path.join(os.path.dirname(__file__), "tmp~") + env_logger = logging.getLogger("env") + subprocess_logger = logging.getLogger("env.subprocess") + __tmp_dir = None @staticmethod - def triple_to_arch(triple): + def tmp_dir() -> Path: + if TestEnvironment.__tmp_dir: + return TestEnvironment.__tmp_dir + tmp_dir = os.environ.get("TEST_TOOLCHAIN_TMP_DIR") + if tmp_dir is not None: + TestEnvironment.__tmp_dir = Path(tmp_dir).absolute() + else: + TestEnvironment.__tmp_dir = Path(__file__).parent.joinpath("tmp~") + return TestEnvironment.__tmp_dir + + @staticmethod + def triple_to_arch(triple) -> str: if "x86_64" in triple: return "x64" elif "aarch64" in triple: @@ -44,61 +147,175 @@ class TestEnvironment: raise Exception(f"Unrecognized target triple {triple}") @classmethod - def env_file_path(cls): - return os.path.join(cls.tmp_dir(), "test_env.json") + def env_file_path(cls) -> Path: + return cls.tmp_dir().joinpath("test_env.json") @classmethod def from_args(cls, args): + local_pb_path = args.local_product_bundle_path + if local_pb_path is not None: + local_pb_path = Path(local_pb_path).absolute() + return cls( - os.path.abspath(args.rust_build), - os.path.abspath(args.sdk), - args.target, + rust_build_dir=Path(args.rust_build).absolute(), + sdk_dir=Path(args.sdk).absolute(), + target=args.target, + toolchain_dir=Path(args.toolchain_dir).absolute(), + local_pb_path=local_pb_path, + use_local_pb=args.use_local_product_bundle_if_exists, verbose=args.verbose, ) @classmethod def read_from_file(cls): with open(cls.env_file_path(), encoding="utf-8") as f: - test_env = json.loads(f.read()) + test_env = json.load(f) + local_pb_path = test_env["local_pb_path"] + if local_pb_path is not None: + local_pb_path = Path(local_pb_path) + return cls( - test_env["rust_build_dir"], - test_env["sdk_dir"], - test_env["target"], + rust_build_dir=Path(test_env["rust_build_dir"]), + sdk_dir=Path(test_env["sdk_dir"]), + target=test_env["target"], + toolchain_dir=Path(test_env["toolchain_dir"]), + local_pb_path=local_pb_path, + use_local_pb=test_env["use_local_pb"], verbose=test_env["verbose"], ) + def build_id(self, binary): + llvm_readelf = Path(self.toolchain_dir).joinpath("bin", "llvm-readelf") + process = subprocess.run( + args=[ + llvm_readelf, + "-n", + "--elf-output-style=JSON", + binary, + ], + stdout=subprocess.PIPE, + stderr=subprocess.STDOUT, + ) + if process.returncode: + self.env_logger.error( + f"llvm-readelf failed for binary {binary} with output {process.stdout}" + ) + raise Exception(f"Unreadable build-id for binary {binary}") + data = json.loads(process.stdout) + if len(data) != 1: + raise Exception( + f"Unreadable output from llvm-readelf for binary {binary}" + ) + notes = data[0]["Notes"] + for note in notes: + note_section = note["NoteSection"] + if note_section["Name"] == ".note.gnu.build-id": + return note_section["Note"]["Build ID"] + raise Exception(f"Build ID not found for binary {binary}") + + def generate_buildid_dir( + self, + binary: Path, + build_id_dir: Path, + build_id: str, + log_handler: logging.Logger, + ): + os.makedirs(build_id_dir, exist_ok=True) + suffix = ".debug" + # Hardlink the original binary + build_id_prefix_dir = build_id_dir.joinpath(build_id[:2]) + unstripped_binary = build_id_prefix_dir.joinpath(build_id[2:] + suffix) + build_id_prefix_dir.mkdir(parents=True, exist_ok=True) + atomic_link(unstripped_binary, binary) + assert unstripped_binary.exists() + stripped_binary = unstripped_binary.with_suffix("") + llvm_objcopy = Path(self.toolchain_dir).joinpath("bin", "llvm-objcopy") + strip_mode = "--strip-sections" + check_call_with_logging( + [ + llvm_objcopy, + strip_mode, + unstripped_binary, + stripped_binary, + ], + stdout_handler=log_handler.info, + stderr_handler=log_handler.error, + ) + return stripped_binary + def write_to_file(self): with open(self.env_file_path(), "w", encoding="utf-8") as f: - f.write(json.dumps(self.__dict__)) + local_pb_path = self.local_pb_path + if local_pb_path is not None: + local_pb_path = str(local_pb_path) - def package_server_log_path(self): - return os.path.join(self.tmp_dir(), "package_server_log") + json.dump( + { + "rust_build_dir": str(self.rust_build_dir), + "sdk_dir": str(self.sdk_dir), + "target": self.target, + "toolchain_dir": str(self.toolchain_dir), + "local_pb_path": local_pb_path, + "use_local_pb": self.use_local_pb, + "verbose": self.verbose, + }, + f, + ) - def emulator_log_path(self): - return os.path.join(self.tmp_dir(), "emulator_log") + def setup_logging(self, log_to_file=False): + fs = logging.Formatter("%(asctime)s %(levelname)s:%(name)s:%(message)s") + if log_to_file: + logfile_handler = logging.FileHandler( + self.tmp_dir().joinpath("log") + ) + logfile_handler.setLevel(logging.DEBUG) + logfile_handler.setFormatter(fs) + logging.getLogger().addHandler(logfile_handler) + stream_handler = logging.StreamHandler(sys.stdout) + stream_handler.setFormatter(fs) + if self.verbose: + stream_handler.setLevel(logging.DEBUG) + else: + stream_handler.setLevel(logging.INFO) + logging.getLogger().addHandler(stream_handler) + logging.getLogger().setLevel(logging.DEBUG) - def packages_dir(self): - return os.path.join(self.tmp_dir(), "packages") + @property + def package_server_log_path(self) -> Path: + return self.tmp_dir().joinpath("package_server_log") - def output_dir(self): - return os.path.join(self.tmp_dir(), "output") + @property + def emulator_log_path(self) -> Path: + return self.tmp_dir().joinpath("emulator_log") + + @property + def packages_dir(self) -> Path: + return self.tmp_dir().joinpath("packages") + + @property + def output_dir(self) -> Path: + return self.tmp_dir().joinpath("output") + + def read_sdk_version(self): + meta_json_path = Path(self.sdk_dir).joinpath("meta", "manifest.json") + with open(meta_json_path, encoding="utf-8") as f: + meta_json = json.load(f) + return meta_json["id"] TEST_REPO_NAME: ClassVar[str] = "rust-testing" - def repo_dir(self): - return os.path.join(self.tmp_dir(), self.TEST_REPO_NAME) + def repo_dir(self) -> Path: + return self.tmp_dir().joinpath(self.TEST_REPO_NAME) - def libs_dir(self): - return os.path.join( - self.rust_build_dir, + def libs_dir(self) -> Path: + return self.rust_build_dir.joinpath( "host", "stage2", "lib", ) - def rustlibs_dir(self): - return os.path.join( - self.libs_dir(), + def rustlibs_dir(self) -> Path: + return self.libs_dir().joinpath( "rustlib", self.target, "lib", @@ -112,8 +329,8 @@ class TestEnvironment: return "a64" raise Exception(f"Unrecognized host architecture {machine}") - def tool_path(self, tool): - return os.path.join(self.sdk_dir, "tools", self.sdk_arch(), tool) + def tool_path(self, tool) -> Path: + return Path(self.sdk_dir).joinpath("tools", self.sdk_arch(), tool) def host_arch_triple(self): machine = platform.machine() @@ -123,45 +340,25 @@ class TestEnvironment: return "aarch64-unknown-linux-gnu" raise Exception(f"Unrecognized host architecture {machine}") - def zxdb_script_path(self): - return os.path.join(self.tmp_dir(), "zxdb_script") - - def pm_lockfile_path(self): - return os.path.join(self.tmp_dir(), "pm.lock") - - def log_info(self, msg): - print(msg) - - def log_debug(self, msg): - if self.verbose: - print(msg) - - def subprocess_output(self): - if self.verbose: - return sys.stdout - return subprocess.DEVNULL - - def check_call(self, args, **kwargs): - self.log_info(f"Running: {' '.join(args)}") - return subprocess.check_call(args, **kwargs) - - def check_output(self, args, **kwargs): - self.log_info(f"Running: {' '.join(args)}") - return subprocess.check_output(args, **kwargs) + def zxdb_script_path(self) -> Path: + return Path(self.tmp_dir(), "zxdb_script") + @property def ffx_daemon_log_path(self): - return os.path.join(self.tmp_dir(), "ffx_daemon_log") + return self.tmp_dir().joinpath("ffx_daemon_log") + @property def ffx_isolate_dir(self): - return os.path.join(self.tmp_dir(), "ffx_isolate") + return self.tmp_dir().joinpath("ffx_isolate") + @property def home_dir(self): - return os.path.join(self.tmp_dir(), "user-home") + return self.tmp_dir().joinpath("user-home") def start_ffx_isolation(self): # Most of this is translated directly from ffx's isolate library - os.mkdir(self.ffx_isolate_dir()) - os.mkdir(self.home_dir()) + os.mkdir(self.ffx_isolate_dir) + os.mkdir(self.home_dir) ffx_path = self.tool_path("ffx") ffx_env = self.ffx_cmd_env() @@ -170,7 +367,7 @@ class TestEnvironment: # We want this to be a long-running process that persists after the script finishes # pylint: disable=consider-using-with with open( - self.ffx_daemon_log_path(), "w", encoding="utf-8" + self.ffx_daemon_log_path, "w", encoding="utf-8" ) as ffx_daemon_log_file: subprocess.Popen( [ @@ -184,7 +381,7 @@ class TestEnvironment: ) # Disable analytics - self.check_call( + check_call_with_logging( [ ffx_path, "config", @@ -192,8 +389,8 @@ class TestEnvironment: "disable", ], env=ffx_env, - stdout=self.subprocess_output(), - stderr=self.subprocess_output(), + stdout_handler=self.subprocess_logger.debug, + stderr_handler=self.subprocess_logger.debug, ) # Set configs @@ -203,7 +400,7 @@ class TestEnvironment: "test.experimental_structured_output": "true", } for key, value in configs.items(): - self.check_call( + check_call_with_logging( [ ffx_path, "config", @@ -212,14 +409,14 @@ class TestEnvironment: value, ], env=ffx_env, - stdout=self.subprocess_output(), - stderr=self.subprocess_output(), + stdout_handler=self.subprocess_logger.debug, + stderr_handler=self.subprocess_logger.debug, ) def ffx_cmd_env(self): return { - "HOME": self.home_dir(), - "FFX_ISOLATE_DIR": self.ffx_isolate_dir(), + "HOME": self.home_dir, + "FFX_ISOLATE_DIR": self.ffx_isolate_dir, # We want to use our own specified temp directory "TMP": self.tmp_dir(), "TEMP": self.tmp_dir(), @@ -228,16 +425,15 @@ class TestEnvironment: } def stop_ffx_isolation(self): - self.check_call( + check_call_with_logging( [ self.tool_path("ffx"), "daemon", "stop", - "-w", ], env=self.ffx_cmd_env(), - stdout=self.subprocess_output(), - stderr=self.subprocess_output(), + stdout_handler=self.subprocess_logger.debug, + stderr_handler=self.subprocess_logger.debug, ) def start(self): @@ -256,22 +452,23 @@ class TestEnvironment: """ # Initialize temp directory - if not os.path.exists(self.tmp_dir()): - os.mkdir(self.tmp_dir()) - elif len(os.listdir(self.tmp_dir())) != 0: - raise Exception(f"Temp directory is not clean (in {self.tmp_dir()})") - - os.mkdir(self.output_dir()) + os.makedirs(self.tmp_dir(), exist_ok=True) + if len(os.listdir(self.tmp_dir())) != 0: + raise Exception( + f"Temp directory is not clean (in {self.tmp_dir()})" + ) + self.setup_logging(log_to_file=True) + os.mkdir(self.output_dir) ffx_path = self.tool_path("ffx") ffx_env = self.ffx_cmd_env() # Start ffx isolation - self.log_info("Starting ffx isolation...") + self.env_logger.info("Starting ffx isolation...") self.start_ffx_isolation() # Stop any running emulators (there shouldn't be any) - self.check_call( + check_call_with_logging( [ ffx_path, "emu", @@ -279,79 +476,95 @@ class TestEnvironment: "--all", ], env=ffx_env, - stdout=self.subprocess_output(), - stderr=self.subprocess_output(), + stdout_handler=self.subprocess_logger.debug, + stderr_handler=self.subprocess_logger.debug, ) - # Look up the product bundle transfer manifest. - self.log_info("Looking up the product bundle transfer manifest...") - product_name = "minimal." + self.triple_to_arch(self.target) - fuchsia_version = "21.20240610.2.1" + if not self.local_pb_path: + self.local_pb_path = os.path.join(self.tmp_dir(), "local_pb") + else: + self.local_pb_path = os.path.abspath(self.local_pb_path) - out = self.check_output( - [ - ffx_path, - "--machine", - "json", - "product", - "lookup", - product_name, - fuchsia_version, - "--base-url", - "gs://fuchsia/development/" + fuchsia_version, - ], - env=ffx_env, - stderr=self.subprocess_output(), - ) + if self.use_local_pb and os.path.exists(self.local_pb_path): + self.env_logger.info( + 'Using existing emulator image at "%s"' % self.local_pb_path + ) + else: + shutil.rmtree(self.local_pb_path, ignore_errors=True) - self.log_debug(out) + # Look up the product bundle transfer manifest. + self.env_logger.info( + "Looking up the product bundle transfer manifest..." + ) + product_name = "minimal." + self.triple_to_arch(self.target) + sdk_version = self.read_sdk_version() - try: - transfer_manifest_url = json.loads(out)["transfer_manifest_url"] - except Exception as e: - print(e) - raise Exception("Unable to parse transfer manifest") from e + output = check_output_with_logging( + [ + ffx_path, + "--machine", + "json", + "product", + "lookup", + product_name, + sdk_version, + "--base-url", + "gs://fuchsia/development/" + sdk_version, + ], + env=ffx_env, + stdout_handler=self.subprocess_logger.debug, + stderr_handler=self.subprocess_logger.debug, + ) - # Download the product bundle. - product_bundle_dir = os.path.join(self.tmp_dir(), 'product-bundle') - self.check_call( - [ - ffx_path, - "product", - "download", - transfer_manifest_url, - product_bundle_dir, - "--force", - ], - env=ffx_env, - stdout=self.subprocess_output(), - stderr=self.subprocess_output(), - ) + try: + transfer_manifest_url = json.loads(output)[ + "transfer_manifest_url" + ] + except Exception as e: + print(e) + raise Exception("Unable to parse transfer manifest") from e + + # Download the product bundle. + self.env_logger.info("Downloading the product bundle...") + check_call_with_logging( + [ + ffx_path, + "product", + "download", + transfer_manifest_url, + self.local_pb_path, + ], + env=ffx_env, + stdout_handler=self.subprocess_logger.debug, + stderr_handler=self.subprocess_logger.debug, + ) # Start emulator + self.env_logger.info("Starting emulator...") + # FIXME: condition --accel hyper on target arch matching host arch - self.check_call( + check_call_with_logging( [ ffx_path, "emu", "start", - product_bundle_dir, + self.local_pb_path, "--headless", "--log", - self.emulator_log_path(), + self.emulator_log_path, "--net", - "tap", + "auto", "--accel", - "hyper", + "auto", ], env=ffx_env, - stdout=self.subprocess_output(), - stderr=self.subprocess_output(), + stdout_handler=self.subprocess_logger.debug, + stderr_handler=self.subprocess_logger.debug, ) # Create new package repo - self.log_info("Creating package repo...") - self.check_call( + self.env_logger.info("Creating package repo...") + check_call_with_logging( [ ffx_path, "repository", @@ -359,11 +572,12 @@ class TestEnvironment: self.repo_dir(), ], env=ffx_env, - stdout=self.subprocess_output(), - stderr=self.subprocess_output(), + stdout_handler=self.subprocess_logger.debug, + stderr_handler=self.subprocess_logger.debug, ) - self.check_call( + # Add repository + check_call_with_logging( [ ffx_path, "repository", @@ -373,15 +587,12 @@ class TestEnvironment: self.repo_dir(), ], env=ffx_env, - stdout=self.subprocess_output(), - stderr=self.subprocess_output(), + stdout_handler=self.subprocess_logger.debug, + stderr_handler=self.subprocess_logger.debug, ) - # Write to file - self.write_to_file() - # Start repository server - self.check_call( + check_call_with_logging( [ ffx_path, "repository", @@ -391,12 +602,12 @@ class TestEnvironment: "[::]:0", ], env=ffx_env, - stdout=self.subprocess_output(), - stderr=self.subprocess_output(), + stdout_handler=self.subprocess_logger.debug, + stderr_handler=self.subprocess_logger.debug, ) # Register with newly-started emulator - self.check_call( + check_call_with_logging( [ ffx_path, "target", @@ -406,11 +617,14 @@ class TestEnvironment: self.TEST_REPO_NAME, ], env=ffx_env, - stdout=self.subprocess_output(), - stderr=self.subprocess_output(), + stdout_handler=self.subprocess_logger.debug, + stderr_handler=self.subprocess_logger.debug, ) - self.log_info("Success! Your environment is ready to run tests.") + # Write to file + self.write_to_file() + + self.env_logger.info("Success! Your environment is ready to run tests.") # FIXME: shardify this # `facet` statement required for TCP testing via @@ -481,7 +695,7 @@ class TestEnvironment: - Forward the test's stdout and stderr as this script's stdout and stderr """ - bin_path = os.path.abspath(args.bin_path) + bin_path = Path(args.bin_path).absolute() # Find libstd and libtest libstd_paths = glob.glob(os.path.join(self.rustlibs_dir(), "libstd-*.so")) @@ -490,233 +704,240 @@ class TestEnvironment: if not libstd_paths: raise Exception(f"Failed to locate libstd (in {self.rustlibs_dir()})") - # Build a unique, deterministic name for the test using the name of the - # binary and the last 6 hex digits of the hash of the full path - def path_checksum(path): - m = hashlib.sha256() - m.update(path.encode("utf-8")) - return m.hexdigest()[0:6] - base_name = os.path.basename(os.path.dirname(args.bin_path)) exe_name = base_name.lower().replace(".", "_") - package_name = f"{exe_name}_{path_checksum(bin_path)}" + build_id = self.build_id(bin_path) + package_name = f"{exe_name}_{build_id}" - package_dir = os.path.join(self.packages_dir(), package_name) - cml_path = os.path.join(package_dir, "meta", f"{package_name}.cml") - cm_path = os.path.join(package_dir, "meta", f"{package_name}.cm") - manifest_path = os.path.join(package_dir, f"{package_name}.manifest") - manifest_json_path = os.path.join(package_dir, "package_manifest.json") - far_path = os.path.join(package_dir, f"{package_name}-0.far") + package_dir = self.packages_dir.joinpath(package_name) + package_dir.mkdir(parents=True, exist_ok=True) + meta_dir = package_dir.joinpath("meta") + meta_dir.mkdir(parents=True, exist_ok=True) + meta_package_path = meta_dir.joinpath("package") + cml_path = meta_dir.joinpath(f"{package_name}.cml") + cm_path = meta_dir.joinpath(f"{package_name}.cm") + manifest_path = package_dir.joinpath(f"{package_name}.manifest") shared_libs = args.shared_libs[: args.n] arguments = args.shared_libs[args.n :] - test_output_dir = os.path.join(self.output_dir(), package_name) + test_output_dir = self.output_dir.joinpath(package_name) # Clean and create temporary output directory - if os.path.exists(test_output_dir): + if test_output_dir.exists(): shutil.rmtree(test_output_dir) - - os.mkdir(test_output_dir) + test_output_dir.mkdir(parents=True) # Open log file - log_path = os.path.join(test_output_dir, "log") - with open(log_path, "w", encoding="utf-8") as log_file: + runner_logger = logging.getLogger(f"env.package.{package_name}") + runner_logger.setLevel(logging.DEBUG) + logfile_handler = logging.FileHandler(test_output_dir.joinpath("log")) + logfile_handler.setLevel(logging.DEBUG) + logfile_handler.setFormatter( + logging.Formatter("%(levelname)s:%(name)s:%(message)s") + ) + runner_logger.addHandler(logfile_handler) - def log(msg): - print(msg, file=log_file) - log_file.flush() + runner_logger.info(f"Bin path: {bin_path}") + runner_logger.info("Setting up package...") - log(f"Bin path: {bin_path}") + # Link binary to build-id dir and strip it. + build_id_dir = self.tmp_dir().joinpath(".build-id") + stripped_binary = self.generate_buildid_dir( + binary=bin_path, + build_id_dir=build_id_dir, + build_id=build_id, + log_handler=runner_logger, + ) + runner_logger.info(f"Stripped Bin path: {stripped_binary}") - log("Writing CML...") + runner_logger.info("Writing CML...") - # Write and compile CML - with open(cml_path, "w", encoding="utf-8") as cml: - # Collect environment variables - env_vars = "" - for var_name in self.TEST_ENV_VARS: - var_value = os.getenv(var_name) - if var_value is not None: - env_vars += f'\n "{var_name}={var_value}",' + # Write and compile CML + with open(cml_path, "w", encoding="utf-8") as cml: + # Collect environment variables + env_vars = "" + for var_name in self.TEST_ENV_VARS: + var_value = os.getenv(var_name) + if var_value is not None: + env_vars += f'\n "{var_name}={var_value}",' - # Default to no backtrace for test suite - if os.getenv("RUST_BACKTRACE") is None: - env_vars += '\n "RUST_BACKTRACE=0",' + # Default to no backtrace for test suite + if os.getenv("RUST_BACKTRACE") is None: + env_vars += '\n "RUST_BACKTRACE=0",' - # Use /tmp as the test temporary directory - env_vars += '\n "RUST_TEST_TMPDIR=/tmp",' + # Use /tmp as the test temporary directory + env_vars += '\n "RUST_TEST_TMPDIR=/tmp",' - cml.write( - self.CML_TEMPLATE.format(env_vars=env_vars, exe_name=exe_name) - ) - - log("Compiling CML...") - - self.check_call( - [ - self.tool_path("cmc"), - "compile", - cml_path, - "--includepath", - ".", - "--output", - cm_path, - ], - stdout=log_file, - stderr=log_file, + cml.write( + self.CML_TEMPLATE.format(env_vars=env_vars, exe_name=exe_name) ) - log("Writing manifest...") + runner_logger.info("Compiling CML...") - # Write, build, and archive manifest - with open(manifest_path, "w", encoding="utf-8") as manifest: + check_call_with_logging( + [ + self.tool_path("cmc"), + "compile", + cml_path, + "--includepath", + ".", + "--output", + cm_path, + ], + stdout_handler=runner_logger.info, + stderr_handler=runner_logger.warning, + ) + + runner_logger.info("Writing meta/package...") + with open(meta_package_path, "w", encoding="utf-8") as f: + json.dump({"name": package_name, "version": "0"}, f) + + runner_logger.info("Writing manifest...") + + # Write package manifest + with open(manifest_path, "w", encoding="utf-8") as manifest: + manifest.write( + self.MANIFEST_TEMPLATE.format( + bin_path=stripped_binary, + exe_name=exe_name, + package_dir=package_dir, + package_name=package_name, + target=self.target, + sdk_dir=self.sdk_dir, + libstd_name=os.path.basename(libstd_paths[0]), + libstd_path=libstd_paths[0], + target_arch=self.triple_to_arch(self.target), + ) + ) + # `libtest`` was historically a shared library, but now seems to be (sometimes?) + # statically linked. If we find it as a shared library, include it in the manifest. + if libtest_paths: manifest.write( - self.MANIFEST_TEMPLATE.format( - bin_path=bin_path, - exe_name=exe_name, - package_dir=package_dir, - package_name=package_name, - target=self.target, - sdk_dir=self.sdk_dir, - libstd_name=os.path.basename(libstd_paths[0]), - libstd_path=libstd_paths[0], - target_arch=self.triple_to_arch(self.target), - ) + f"lib/{os.path.basename(libtest_paths[0])}={libtest_paths[0]}\n" ) - # `libtest`` was historically a shared library, but now seems to be (sometimes?) - # statically linked. If we find it as a shared library, include it in the manifest. - if libtest_paths: - manifest.write( - f"lib/{os.path.basename(libtest_paths[0])}={libtest_paths[0]}\n" - ) - for shared_lib in shared_libs: - manifest.write(f"lib/{os.path.basename(shared_lib)}={shared_lib}\n") + for shared_lib in shared_libs: + manifest.write(f"lib/{os.path.basename(shared_lib)}={shared_lib}\n") - log("Determining API level...") - out = self.check_output( - [ - self.tool_path("ffx"), - "--machine", - "json", - "version", - ], - env=self.ffx_cmd_env(), - stderr=log_file, - ) - api_level = json.loads(out)["tool_version"]["api_level"] + runner_logger.info("Determining API level...") + out = check_output_with_logging( + [ + self.tool_path("ffx"), + "--machine", + "json", + "version", + ], + env=self.ffx_cmd_env(), + stdout_handler=self.subprocess_logger.debug, + stderr_handler=self.subprocess_logger.debug, + ) + api_level = json.loads(out)["tool_version"]["api_level"] - log("Compiling and archiving manifest...") + runner_logger.info("Compiling manifest...") - self.check_call( - [ - self.tool_path("ffx"), - "package", - "build", - manifest_path, - "-o", - package_dir, - "--api-level", - str(api_level), - ], - env=self.ffx_cmd_env(), - stdout=log_file, - stderr=log_file, - ) + check_call_with_logging( + [ + self.tool_path("ffx"), + "package", + "build", + manifest_path, + "-o", + package_dir, + "--api-level", + str(api_level), + ], + env=self.ffx_cmd_env(), + stdout_handler=runner_logger.info, + stderr_handler=runner_logger.warning, + ) - self.check_call( - [ - self.tool_path("ffx"), - "package", - "archive", - "create", - "-o", - far_path, - manifest_json_path, - ], - env=self.ffx_cmd_env(), - stdout=log_file, - stderr=log_file, - ) + runner_logger.info("Publishing package to repo...") - log("Publishing package to repo...") + # Publish package to repo + check_call_with_logging( + [ + self.tool_path("ffx"), + "repository", + "publish", + "--package", + os.path.join(package_dir, "package_manifest.json"), + self.repo_dir(), + ], + env=self.ffx_cmd_env(), + stdout_handler=runner_logger.info, + stderr_handler=runner_logger.warning, + ) - # Publish package to repo - self.check_call( - [ - self.tool_path("ffx"), - "repository", - "publish", - "--package", - os.path.join(package_dir, "package_manifest.json"), - self.repo_dir(), - ], - stdout=log_file, - stderr=log_file, - ) + runner_logger.info("Running ffx test...") - log("Running ffx test...") + # Run test on emulator + check_call_with_logging( + [ + self.tool_path("ffx"), + "test", + "run", + f"fuchsia-pkg://{self.TEST_REPO_NAME}/{package_name}#meta/{package_name}.cm", + "--min-severity-logs", + "TRACE", + "--output-directory", + test_output_dir, + "--", + ] + + arguments, + env=self.ffx_cmd_env(), + check=False, + stdout_handler=runner_logger.info, + stderr_handler=runner_logger.warning, + ) - # Run test on emulator - subprocess.run( - [ - self.tool_path("ffx"), - "test", - "run", - f"fuchsia-pkg://{self.TEST_REPO_NAME}/{package_name}#meta/{package_name}.cm", - "--min-severity-logs", - "TRACE", - "--output-directory", - test_output_dir, - "--", - ] - + arguments, - env=self.ffx_cmd_env(), - check=False, - stdout=log_file, - stderr=log_file, - ) + runner_logger.info("Reporting test suite output...") - log("Reporting test suite output...") + # Read test suite output + run_summary_path = test_output_dir.joinpath("run_summary.json") + if not run_summary_path.exists(): + runner_logger.error("Failed to open test run summary") + return 254 - # Read test suite output - run_summary_path = os.path.join(test_output_dir, "run_summary.json") - if os.path.exists(run_summary_path): - with open(run_summary_path, encoding="utf-8") as f: - run_summary = json.loads(f.read()) + with open(run_summary_path, encoding="utf-8") as f: + run_summary = json.load(f) - suite = run_summary["data"]["suites"][0] - case = suite["cases"][0] + suite = run_summary["data"]["suites"][0] + case = suite["cases"][0] - return_code = 0 if case["outcome"] == "PASSED" else 1 + return_code = 0 if case["outcome"] == "PASSED" else 1 - artifacts = case["artifacts"] - artifact_dir = case["artifact_dir"] - stdout_path = None - stderr_path = None + artifacts = case["artifacts"] + artifact_dir = case["artifact_dir"] + stdout_path = None + stderr_path = None - for path, artifact in artifacts.items(): - artifact_path = os.path.join(test_output_dir, artifact_dir, path) - artifact_type = artifact["artifact_type"] + for path, artifact in artifacts.items(): + artifact_path = os.path.join(test_output_dir, artifact_dir, path) + artifact_type = artifact["artifact_type"] - if artifact_type == "STDERR": - stderr_path = artifact_path - elif artifact_type == "STDOUT": - stdout_path = artifact_path + if artifact_type == "STDERR": + stderr_path = artifact_path + elif artifact_type == "STDOUT": + stdout_path = artifact_path - if stdout_path is not None and os.path.exists(stdout_path): - with open(stdout_path, encoding="utf-8") as f: - print(f.read(), file=sys.stdout, end="") - - if stderr_path is not None and os.path.exists(stderr_path): - with open(stderr_path, encoding="utf-8") as f: - print(f.read(), file=sys.stderr, end="") + if stdout_path is not None: + if not os.path.exists(stdout_path): + runner_logger.error( + f"stdout file {stdout_path} does not exist." + ) else: - log("Failed to open test run summary") - return_code = 254 - - log("Done!") + with open(stdout_path, encoding="utf-8", errors="ignore") as f: + runner_logger.info(f.read()) + if stderr_path is not None: + if not os.path.exists(stderr_path): + runner_logger.error( + f"stderr file {stderr_path} does not exist." + ) + else: + with open(stderr_path, encoding="utf-8", errors="ignore") as f: + runner_logger.error(f.read()) + runner_logger.info("Done!") return return_code def stop(self): @@ -730,65 +951,65 @@ class TestEnvironment: During cleanup, this function will stop the emulator, package server, and update server, then delete all temporary files. If an error is encountered while stopping any running processes, the temporary files will not be deleted. - Passing --delete-tmp will force the process to delete the files anyway. + Passing --cleanup will force the process to delete the files anyway. """ - self.log_debug("Reporting logs...") + self.env_logger.debug("Reporting logs...") # Print test log files - for test_dir in os.listdir(self.output_dir()): - log_path = os.path.join(self.output_dir(), test_dir, "log") - self.log_debug(f"\n---- Logs for test '{test_dir}' ----\n") + for test_dir in os.listdir(self.output_dir): + log_path = os.path.join(self.output_dir, test_dir, "log") + self.env_logger.debug(f"\n---- Logs for test '{test_dir}' ----\n") if os.path.exists(log_path): - with open(log_path, encoding="utf-8") as log: - self.log_debug(log.read()) + with open(log_path, encoding="utf-8", errors="ignore") as log: + self.env_logger.debug(log.read()) else: - self.log_debug("No logs found") + self.env_logger.debug("No logs found") # Print the emulator log - self.log_debug("\n---- Emulator logs ----\n") - if os.path.exists(self.emulator_log_path()): - with open(self.emulator_log_path(), encoding="utf-8") as log: - self.log_debug(log.read()) + self.env_logger.debug("\n---- Emulator logs ----\n") + if os.path.exists(self.emulator_log_path): + with open(self.emulator_log_path, encoding="utf-8") as log: + self.env_logger.debug(log.read()) else: - self.log_debug("No emulator logs found") + self.env_logger.debug("No emulator logs found") # Print the package server log - self.log_debug("\n---- Package server log ----\n") - if os.path.exists(self.package_server_log_path()): - with open(self.package_server_log_path(), encoding="utf-8") as log: - self.log_debug(log.read()) + self.env_logger.debug("\n---- Package server log ----\n") + if os.path.exists(self.package_server_log_path): + with open(self.package_server_log_path, encoding="utf-8") as log: + self.env_logger.debug(log.read()) else: - self.log_debug("No package server log found") + self.env_logger.debug("No package server log found") # Print the ffx daemon log - self.log_debug("\n---- ffx daemon log ----\n") - if os.path.exists(self.ffx_daemon_log_path()): - with open(self.ffx_daemon_log_path(), encoding="utf-8") as log: - self.log_debug(log.read()) + self.env_logger.debug("\n---- ffx daemon log ----\n") + if os.path.exists(self.ffx_daemon_log_path): + with open(self.ffx_daemon_log_path, encoding="utf-8") as log: + self.env_logger.debug(log.read()) else: - self.log_debug("No ffx daemon log found") + self.env_logger.debug("No ffx daemon log found") # Shut down the emulator - self.log_info("Stopping emulator...") - self.check_call( + self.env_logger.info("Stopping emulator...") + check_call_with_logging( [ self.tool_path("ffx"), "emu", "stop", ], env=self.ffx_cmd_env(), - stdout=self.subprocess_output(), - stderr=self.subprocess_output(), + stdout_handler=self.subprocess_logger.debug, + stderr_handler=self.subprocess_logger.debug, ) # Stop ffx isolation - self.log_info("Stopping ffx isolation...") + self.env_logger.info("Stopping ffx isolation...") self.stop_ffx_isolation() - def delete_tmp(self): + def cleanup(self): # Remove temporary files - self.log_info("Deleting temporary files...") + self.env_logger.info("Deleting temporary files...") shutil.rmtree(self.tmp_dir(), ignore_errors=True) def debug(self, args): @@ -816,7 +1037,7 @@ class TestEnvironment: f"--symbol-path={self.rust_dir}/lib/rustlib/{self.target}/lib", ] - # Add rust source if it's available + # Add rust source if it's available rust_src_map = None if args.rust_src is not None: # This matches the remapped prefix used by compiletest. There's no @@ -908,21 +1129,24 @@ def start(args): def run(args): test_env = TestEnvironment.read_from_file() + test_env.setup_logging(log_to_file=True) return test_env.run(args) def stop(args): test_env = TestEnvironment.read_from_file() + test_env.setup_logging(log_to_file=False) test_env.stop() - if not args.no_delete: - test_env.delete_tmp() + if not args.no_cleanup: + test_env.cleanup() return 0 -def delete_tmp(args): +def cleanup(args): del args test_env = TestEnvironment.read_from_file() - test_env.delete_tmp() + test_env.setup_logging(log_to_file=False) + test_env.cleanup() return 0 @@ -934,6 +1158,7 @@ def debug(args): def syslog(args): test_env = TestEnvironment.read_from_file() + test_env.setup_logging(log_to_file=True) test_env.syslog(args) return 0 @@ -973,6 +1198,21 @@ def main(): help="the target platform to test", required=True, ) + start_parser.add_argument( + "--toolchain-dir", + help="the toolchain directory", + required=True, + ) + start_parser.add_argument( + "--local-product-bundle-path", + help="the path where the product-bundle should be downloaded to", + ) + start_parser.add_argument( + "--use-local-product-bundle-if-exists", + help="if the product bundle already exists in the local path, use " + "it instead of downloading it again", + action="store_true", + ) start_parser.set_defaults(func=start) run_parser = subparsers.add_parser( @@ -993,18 +1233,23 @@ def main(): "stop", help="shuts down and cleans up the testing environment" ) stop_parser.add_argument( - "--no-delete", + "--no-cleanup", default=False, action="store_true", help="don't delete temporary files after stopping", ) stop_parser.set_defaults(func=stop) - delete_parser = subparsers.add_parser( - "delete-tmp", + cleanup_parser = subparsers.add_parser( + "cleanup", help="deletes temporary files after the testing environment has been manually cleaned up", ) - delete_parser.set_defaults(func=delete_tmp) + cleanup_parser.set_defaults(func=cleanup) + + syslog_parser = subparsers.add_parser( + "syslog", help="prints the device syslog" + ) + syslog_parser.set_defaults(func=syslog) debug_parser = subparsers.add_parser( "debug", @@ -1033,9 +1278,6 @@ def main(): ) debug_parser.set_defaults(func=debug) - syslog_parser = subparsers.add_parser("syslog", help="prints the device syslog") - syslog_parser.set_defaults(func=syslog) - args = parser.parse_args() return args.func(args) From d1e2386215e8a4bfc1a0434a75eee259e1d74b94 Mon Sep 17 00:00:00 2001 From: rustbot <47979223+rustbot@users.noreply.github.com> Date: Mon, 17 Jun 2024 13:00:31 -0400 Subject: [PATCH 1643/1716] Update books --- src/doc/book | 2 +- src/doc/edition-guide | 2 +- src/doc/reference | 2 +- src/doc/rust-by-example | 2 +- src/doc/rustc-dev-guide | 2 +- 5 files changed, 5 insertions(+), 5 deletions(-) diff --git a/src/doc/book b/src/doc/book index 5228bfac8267..45c1a6d69edf 160000 --- a/src/doc/book +++ b/src/doc/book @@ -1 +1 @@ -Subproject commit 5228bfac8267ad24659a81b92ec5417976b5edbc +Subproject commit 45c1a6d69edfd1fc91fb7504cb73958dbd09441e diff --git a/src/doc/edition-guide b/src/doc/edition-guide index bbaabbe088e2..cb58c430b4e8 160000 --- a/src/doc/edition-guide +++ b/src/doc/edition-guide @@ -1 +1 @@ -Subproject commit bbaabbe088e21a81a0d9ae6757705020d5d7b416 +Subproject commit cb58c430b4e8054c2cb81d2d4434092c482a93d8 diff --git a/src/doc/reference b/src/doc/reference index 6019b76f5b28..0b805c658040 160000 --- a/src/doc/reference +++ b/src/doc/reference @@ -1 +1 @@ -Subproject commit 6019b76f5b28938565b251bbba0bf5cc5c43d863 +Subproject commit 0b805c65804019b0ac8f2fe3117afad82a6069b8 diff --git a/src/doc/rust-by-example b/src/doc/rust-by-example index 4840dca06cad..b1d97bd6113a 160000 --- a/src/doc/rust-by-example +++ b/src/doc/rust-by-example @@ -1 +1 @@ -Subproject commit 4840dca06cadf48b305d3ce0aeafde7f80933f80 +Subproject commit b1d97bd6113aba732b2091ce093c76f2d05bb8a0 diff --git a/src/doc/rustc-dev-guide b/src/doc/rustc-dev-guide index 6a7374bd87cb..aec82168dd31 160000 --- a/src/doc/rustc-dev-guide +++ b/src/doc/rustc-dev-guide @@ -1 +1 @@ -Subproject commit 6a7374bd87cbac0f8be4fd4877d8186d9c313985 +Subproject commit aec82168dd3121289a194b381f56076fc789a4d2 From cdfcc9442e08f863a96e9099c7dfb79cd5dfb52b Mon Sep 17 00:00:00 2001 From: Oneirical Date: Fri, 14 Jun 2024 15:28:15 -0400 Subject: [PATCH 1644/1716] rewrite incremental-session-fail to rmake --- src/tools/run-make-support/src/lib.rs | 30 +++++++++------- .../tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/extern-flag-fun/rmake.rs | 6 ++-- .../incremental-debugger-visualizer/rmake.rs | 35 ++++++++----------- .../incremental-session-fail/Makefile | 14 -------- .../incremental-session-fail/rmake.rs | 15 ++++++++ 6 files changed, 52 insertions(+), 49 deletions(-) delete mode 100644 tests/run-make/incremental-session-fail/Makefile create mode 100644 tests/run-make/incremental-session-fail/rmake.rs diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index 784bbe572ab3..8d9976e27a58 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -274,23 +274,29 @@ pub fn set_host_rpath(cmd: &mut Command) { /// Read the contents of a file that cannot simply be read by /// read_to_string, due to invalid utf8 data, then assert that it contains `expected`. #[track_caller] -pub fn invalid_utf8_contains_str>(path: P, expected: &str) { - use std::io::Read; - let mut file = std::fs::File::open(path).unwrap(); - let mut buffer = Vec::new(); - file.read_to_end(&mut buffer).unwrap(); - assert!(String::from_utf8_lossy(&buffer).contains(expected)); +pub fn invalid_utf8_contains>(path: P, expected: &str) { + let buffer = fs_wrapper::read(path.as_ref()); + if !String::from_utf8_lossy(&buffer).contains(expected) { + eprintln!("=== FILE CONTENTS (LOSSY) ==="); + eprintln!("{}", String::from_utf8_lossy(&buffer)); + eprintln!("=== SPECIFIED TEXT ==="); + eprintln!("{}", expected); + panic!("specified text was not found in file"); + } } /// Read the contents of a file that cannot simply be read by /// read_to_string, due to invalid utf8 data, then assert that it does not contain `expected`. #[track_caller] -pub fn invalid_utf8_not_contains_str>(path: P, expected: &str) { - use std::io::Read; - let mut file = std::fs::File::open(path).unwrap(); - let mut buffer = Vec::new(); - file.read_to_end(&mut buffer).unwrap(); - assert!(!String::from_utf8_lossy(&buffer).contains(expected)); +pub fn invalid_utf8_not_contains>(path: P, expected: &str) { + let buffer = fs_wrapper::read(path.as_ref()); + if String::from_utf8_lossy(&buffer).contains(expected) { + eprintln!("=== FILE CONTENTS (LOSSY) ==="); + eprintln!("{}", String::from_utf8_lossy(&buffer)); + eprintln!("=== SPECIFIED TEXT ==="); + eprintln!("{}", expected); + panic!("specified text was unexpectedly found in file"); + } } /// Copy a directory into another. diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 7a08a9ab1a26..1bc196419d02 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -67,7 +67,6 @@ run-make/inaccessible-temp-dir/Makefile run-make/include_bytes_deps/Makefile run-make/incr-add-rust-src-component/Makefile run-make/incr-foreign-head-span/Makefile -run-make/incremental-session-fail/Makefile run-make/inline-always-many-cgu/Makefile run-make/interdependent-c-libraries/Makefile run-make/intrinsic-unreachable/Makefile diff --git a/tests/run-make/extern-flag-fun/rmake.rs b/tests/run-make/extern-flag-fun/rmake.rs index 10fec6e30b42..c1825f6bbb88 100644 --- a/tests/run-make/extern-flag-fun/rmake.rs +++ b/tests/run-make/extern-flag-fun/rmake.rs @@ -5,21 +5,23 @@ // as non-private. This test checks that these rules are enforced. // See https://github.com/rust-lang/rust/pull/15319 -//@ ignore-cross-compile - use run_make_support::{rust_lib_name, rustc}; fn main() { rustc().input("bar.rs").crate_type("rlib").run(); + // Exactly the same rlib as the first line, only the filename changes. rustc().input("bar.rs").crate_type("rlib").extra_filename("-a").run(); rustc().input("bar-alt.rs").crate_type("rlib").run(); + // The crate must be valid. rustc().input("foo.rs").extern_("bar", "no-exist").run_fail(); rustc().input("foo.rs").extern_("bar", "foo.rs").run_fail(); + // Compilation fails with two different rlibs. rustc() .input("foo.rs") .extern_("bar", rust_lib_name("bar")) .extern_("bar", rust_lib_name("bar-alt")) .run_fail(); + // Even though this one has seemingly two rlibs, they are one and the same. rustc() .input("foo.rs") .extern_("bar", rust_lib_name("bar")) diff --git a/tests/run-make/incremental-debugger-visualizer/rmake.rs b/tests/run-make/incremental-debugger-visualizer/rmake.rs index 74de4e9909b3..1ef3af873530 100644 --- a/tests/run-make/incremental-debugger-visualizer/rmake.rs +++ b/tests/run-make/incremental-debugger-visualizer/rmake.rs @@ -1,20 +1,15 @@ -// This test makes sure that changes to files referenced via //[debugger_visualizer] -// are picked up when compiling incrementally. +// This test ensures that changes to files referenced via #[debugger_visualizer] +// (in this case, foo.py and foo.natvis) are picked up when compiling incrementally. +// See https://github.com/rust-lang/rust/pull/111641 -// We have to copy the source to $(TMPDIR) because Github CI mounts the source -// directory as readonly. We need to apply modifications to some of the source -// file. - -use run_make_support::{ - fs_wrapper, invalid_utf8_contains_str, invalid_utf8_not_contains_str, rustc, -}; +use run_make_support::{fs_wrapper, invalid_utf8_contains, invalid_utf8_not_contains, rustc}; use std::io::Read; fn main() { fs_wrapper::create_file("foo.py"); fs_wrapper::write("foo.py", "GDB script v1"); fs_wrapper::create_file("foo.natvis"); - fs_wrapper::write("foo.py", "Natvis v1"); + fs_wrapper::write("foo.natvis", "Natvis v1"); rustc() .input("foo.rs") .crate_type("rlib") @@ -23,8 +18,8 @@ fn main() { .arg("-Zincremental-verify-ich") .run(); - invalid_utf8_contains_str("libfoo.rmeta", "GDB script v1"); - invalid_utf8_contains_str("libfoo.rmeta", "Natvis v1"); + invalid_utf8_contains("libfoo.rmeta", "GDB script v1"); + invalid_utf8_contains("libfoo.rmeta", "Natvis v1"); // Change only the GDB script and check that the change has been picked up fs_wrapper::remove_file("foo.py"); @@ -38,14 +33,14 @@ fn main() { .arg("-Zincremental-verify-ich") .run(); - invalid_utf8_contains_str("libfoo.rmeta", "GDB script v2"); - invalid_utf8_not_contains_str("libfoo.rmeta", "GDB script v1"); - invalid_utf8_contains_str("libfoo.rmeta", "Natvis v1"); + invalid_utf8_contains("libfoo.rmeta", "GDB script v2"); + invalid_utf8_not_contains("libfoo.rmeta", "GDB script v1"); + invalid_utf8_contains("libfoo.rmeta", "Natvis v1"); // Now change the Natvis version and check that the change has been picked up fs_wrapper::remove_file("foo.natvis"); fs_wrapper::create_file("foo.natvis"); - fs_wrapper::write("foo.py", "Natvis v2"); + fs_wrapper::write("foo.natvis", "Natvis v2"); rustc() .input("foo.rs") .crate_type("rlib") @@ -54,8 +49,8 @@ fn main() { .arg("-Zincremental-verify-ich") .run(); - invalid_utf8_contains_str("libfoo.rmeta", "GDB script v2"); - invalid_utf8_not_contains_str("libfoo.rmeta", "GDB script v1"); - invalid_utf8_not_contains_str("libfoo.rmeta", "Natvis v1"); - invalid_utf8_contains_str("libfoo.rmeta", "Natvis v2"); + invalid_utf8_contains("libfoo.rmeta", "GDB script v2"); + invalid_utf8_not_contains("libfoo.rmeta", "GDB script v1"); + invalid_utf8_not_contains("libfoo.rmeta", "Natvis v1"); + invalid_utf8_contains("libfoo.rmeta", "Natvis v2"); } diff --git a/tests/run-make/incremental-session-fail/Makefile b/tests/run-make/incremental-session-fail/Makefile deleted file mode 100644 index f43eece2eb70..000000000000 --- a/tests/run-make/incremental-session-fail/Makefile +++ /dev/null @@ -1,14 +0,0 @@ -include ../tools.mk - -SESSION_DIR := $(TMPDIR)/session -OUTPUT_FILE := $(TMPDIR)/build-output - -all: - echo $(TMPDIR) - # Make it so that rustc will fail to create a session directory. - touch $(SESSION_DIR) - # Check exit code is 1 for an error, and not 101 for ICE. - $(RUSTC) foo.rs --crate-type=rlib -C incremental=$(SESSION_DIR) > $(OUTPUT_FILE) 2>&1; [ $$? -eq 1 ] - $(CGREP) "could not create incremental compilation crate directory" < $(OUTPUT_FILE) - # -v tests are fragile, hopefully this text won't change - $(CGREP) -v "internal compiler error" < $(OUTPUT_FILE) diff --git a/tests/run-make/incremental-session-fail/rmake.rs b/tests/run-make/incremental-session-fail/rmake.rs new file mode 100644 index 000000000000..0283709f2cf8 --- /dev/null +++ b/tests/run-make/incremental-session-fail/rmake.rs @@ -0,0 +1,15 @@ +// Failing to create the directory where output incremental +// files would be stored used to cause an ICE (Internal Compiler +// Error). This was patched in #85698, and this test checks that +// the ensuing compilation failure is not an ICE. +// See https://github.com/rust-lang/rust/pull/85698 + +use run_make_support::{fs_wrapper, rustc}; + +fn main() { + fs_wrapper::create_file("session"); + // rustc should fail to create the session directory here. + let out = rustc().input("foo.rs").crate_type("rlib").incremental("session").run_fail(); + out.assert_stderr_contains("could not create incremental compilation crate directory"); + out.assert_stderr_not_contains("internal compiler error"); +} From 6228b3e40e78ca0a29fd4599c9b7a3e340bb1572 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Fri, 24 May 2024 11:50:35 -0400 Subject: [PATCH 1645/1716] Rewrite and rename `issue-26092` to rmake --- src/tools/run-make-support/src/command.rs | 44 ++++++++++++------- src/tools/run-make-support/src/lib.rs | 21 +++++++++ .../tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/CURRENT_RUSTC_VERSION/rmake.rs | 1 - .../blank.rs | 0 .../clear-error-blank-output/rmake.rs | 13 ++++++ tests/run-make/issue-26092/Makefile | 6 --- tests/run-make/link-arg/rmake.rs | 24 +++++----- tests/run-make/link-dedup/Makefile | 12 ----- tests/run-make/link-dedup/rmake.rs | 28 +++++------- 10 files changed, 83 insertions(+), 67 deletions(-) rename tests/run-make/{issue-26092 => clear-error-blank-output}/blank.rs (100%) create mode 100644 tests/run-make/clear-error-blank-output/rmake.rs delete mode 100644 tests/run-make/issue-26092/Makefile delete mode 100644 tests/run-make/link-dedup/Makefile diff --git a/src/tools/run-make-support/src/command.rs b/src/tools/run-make-support/src/command.rs index dab18dca2ff9..f39bcfd60dfb 100644 --- a/src/tools/run-make-support/src/command.rs +++ b/src/tools/run-make-support/src/command.rs @@ -6,7 +6,7 @@ use std::path::Path; use std::process::{Command as StdCommand, ExitStatus, Output, Stdio}; use crate::drop_bomb::DropBomb; -use crate::{assert_contains, assert_not_contains, handle_failed_output}; +use crate::{assert_contains, assert_equals, assert_not_contains, handle_failed_output}; /// This is a custom command wrapper that simplifies working with commands and makes it easier to /// ensure that we check the exit status of executed processes. @@ -21,6 +21,7 @@ use crate::{assert_contains, assert_not_contains, handle_failed_output}; /// /// [`run`]: Self::run /// [`run_fail`]: Self::run_fail +/// [`run_unchecked`]: Self::run_unchecked #[derive(Debug)] pub struct Command { cmd: StdCommand, @@ -116,6 +117,15 @@ impl Command { output } + /// Run the command but do not check its exit status. + /// Only use if you explicitly don't care about the exit status. + /// Prefer to use [`Self::run`] and [`Self::run_fail`] + /// whenever possible. + #[track_caller] + pub fn run_unchecked(&mut self) -> CompletedProcess { + self.command_output() + } + #[track_caller] fn command_output(&mut self) -> CompletedProcess { self.drop_bomb.defuse(); @@ -163,41 +173,45 @@ impl CompletedProcess { self.output.status } - /// Checks that trimmed `stdout` matches trimmed `content`. + /// Checks that trimmed `stdout` matches trimmed `expected`. #[track_caller] - pub fn assert_stdout_equals>(&self, content: S) -> &Self { - assert_eq!(self.stdout_utf8().trim(), content.as_ref().trim()); + pub fn assert_stdout_equals>(&self, expected: S) -> &Self { + assert_equals(self.stdout_utf8().trim(), expected.as_ref().trim()); self } + /// Checks that `stdout` does not contain `unexpected`. #[track_caller] - pub fn assert_stdout_contains>(self, needle: S) -> Self { - assert_contains(&self.stdout_utf8(), needle.as_ref()); + pub fn assert_stdout_not_contains>(&self, unexpected: S) -> &Self { + assert_not_contains(&self.stdout_utf8(), unexpected.as_ref()); self } + /// Checks that `stdout` contains `expected`. #[track_caller] - pub fn assert_stdout_not_contains>(&self, needle: S) -> &Self { - assert_not_contains(&self.stdout_utf8(), needle.as_ref()); + pub fn assert_stdout_contains>(&self, expected: S) -> &Self { + assert_contains(&self.stdout_utf8(), expected.as_ref()); self } - /// Checks that trimmed `stderr` matches trimmed `content`. + /// Checks that trimmed `stderr` matches trimmed `expected`. #[track_caller] - pub fn assert_stderr_equals>(&self, content: S) -> &Self { - assert_eq!(self.stderr_utf8().trim(), content.as_ref().trim()); + pub fn assert_stderr_equals>(&self, expected: S) -> &Self { + assert_equals(self.stderr_utf8().trim(), expected.as_ref().trim()); self } + /// Checks that `stderr` contains `expected`. #[track_caller] - pub fn assert_stderr_contains>(&self, needle: S) -> &Self { - assert_contains(&self.stderr_utf8(), needle.as_ref()); + pub fn assert_stderr_contains>(&self, expected: S) -> &Self { + assert_contains(&self.stderr_utf8(), expected.as_ref()); self } + /// Checks that `stderr` does not contain `unexpected`. #[track_caller] - pub fn assert_stderr_not_contains>(&self, needle: S) -> &Self { - assert_not_contains(&self.stdout_utf8(), needle.as_ref()); + pub fn assert_stderr_not_contains>(&self, unexpected: S) -> &Self { + assert_not_contains(&self.stdout_utf8(), unexpected.as_ref()); self } diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index ba4524c150c4..84b0a4f61eea 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -332,6 +332,18 @@ pub fn read_dir(dir: impl AsRef, callback: F) { } } +/// Check that `actual` is equal to `expected`. Panic otherwise. +#[track_caller] +pub fn assert_equals(actual: &str, expected: &str) { + if actual != expected { + eprintln!("=== ACTUAL TEXT ==="); + eprintln!("{}", actual); + eprintln!("=== EXPECTED ==="); + eprintln!("{}", expected); + panic!("expected text was not found in actual text"); + } +} + /// Check that `haystack` contains `needle`. Panic otherwise. #[track_caller] pub fn assert_contains(haystack: &str, needle: &str) { @@ -468,6 +480,15 @@ macro_rules! impl_common_helpers { self.cmd.run_fail() } + /// Run the command but do not check its exit status. + /// Only use if you explicitly don't care about the exit status. + /// Prefer to use [`Self::run`] and [`Self::run_fail`] + /// whenever possible. + #[track_caller] + pub fn run_unchecked(&mut self) -> crate::command::CompletedProcess { + self.cmd.run_unchecked() + } + /// Set the path where the command will be run. pub fn current_dir>(&mut self, path: P) -> &mut Self { self.cmd.current_dir(path); diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 6a1809951fd1..69a8aa05360f 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -83,7 +83,6 @@ run-make/issue-20626/Makefile run-make/issue-22131/Makefile run-make/issue-25581/Makefile run-make/issue-26006/Makefile -run-make/issue-26092/Makefile run-make/issue-28595/Makefile run-make/issue-33329/Makefile run-make/issue-35164/Makefile diff --git a/tests/run-make/CURRENT_RUSTC_VERSION/rmake.rs b/tests/run-make/CURRENT_RUSTC_VERSION/rmake.rs index b3227b795598..d937514c2ca2 100644 --- a/tests/run-make/CURRENT_RUSTC_VERSION/rmake.rs +++ b/tests/run-make/CURRENT_RUSTC_VERSION/rmake.rs @@ -12,7 +12,6 @@ fn main() { let output = rustc().input("main.rs").emit("metadata").extern_("stable", "libstable.rmeta").run(); - let version = fs_wrapper::read_to_string(source_root().join("src/version")); let expected_string = format!("stable since {}", version.trim()); output.assert_stderr_contains(expected_string); diff --git a/tests/run-make/issue-26092/blank.rs b/tests/run-make/clear-error-blank-output/blank.rs similarity index 100% rename from tests/run-make/issue-26092/blank.rs rename to tests/run-make/clear-error-blank-output/blank.rs diff --git a/tests/run-make/clear-error-blank-output/rmake.rs b/tests/run-make/clear-error-blank-output/rmake.rs new file mode 100644 index 000000000000..e0f042cf805b --- /dev/null +++ b/tests/run-make/clear-error-blank-output/rmake.rs @@ -0,0 +1,13 @@ +// When an empty output file is passed to rustc, the ensuing error message +// should be clear. However, calling file_stem on an empty path returns None, +// which, when unwrapped, causes a panic, stopping execution of rustc +// and printing an obscure message instead of reaching the helpful +// error message. This test checks that the panic does not occur. +// See https://github.com/rust-lang/rust/pull/26199 + +use run_make_support::rustc; + +fn main() { + let output = rustc().output("").stdin(b"fn main() {}").run_fail(); + output.assert_stderr_not_contains("panic"); +} diff --git a/tests/run-make/issue-26092/Makefile b/tests/run-make/issue-26092/Makefile deleted file mode 100644 index 96822e7690be..000000000000 --- a/tests/run-make/issue-26092/Makefile +++ /dev/null @@ -1,6 +0,0 @@ -include ../tools.mk - -# This test ensures that rustc does not panic with `-o ""` option. - -all: - $(RUSTC) -o "" blank.rs 2>&1 | $(CGREP) -i 'panic' && exit 1 || exit 0 diff --git a/tests/run-make/link-arg/rmake.rs b/tests/run-make/link-arg/rmake.rs index dd496101f6a7..a6d68800792f 100644 --- a/tests/run-make/link-arg/rmake.rs +++ b/tests/run-make/link-arg/rmake.rs @@ -7,18 +7,14 @@ use run_make_support::rustc; fn main() { - let output = String::from_utf8( - rustc() - .input("empty.rs") - .link_arg("-lfoo") - .link_arg("-lbar") - .print("link-args") - .command_output() - .stdout, - ) - .unwrap(); - assert!( - output.contains("lfoo") || output.contains("lbar"), - "The output did not contain the expected \"lfoo\" or \"lbar\" strings." - ); + // We are only checking for the output of --print=link-args, + // rustc failing or succeeding does not matter. + let out = rustc() + .input("empty.rs") + .link_arg("-lfoo") + .link_arg("-lbar") + .print("link-args") + .run_unchecked(); + out.assert_stdout_contains("lfoo"); + out.assert_stdout_contains("lbar"); } diff --git a/tests/run-make/link-dedup/Makefile b/tests/run-make/link-dedup/Makefile deleted file mode 100644 index eff18ab48ab4..000000000000 --- a/tests/run-make/link-dedup/Makefile +++ /dev/null @@ -1,12 +0,0 @@ -# ignore-msvc - -include ../tools.mk - -all: - $(RUSTC) depa.rs - $(RUSTC) depb.rs - $(RUSTC) depc.rs - $(RUSTC) empty.rs --cfg bar 2>&1 | $(CGREP) '"-ltesta" "-ltestb" "-ltesta"' - $(RUSTC) empty.rs 2>&1 | $(CGREP) '"-ltesta"' - $(RUSTC) empty.rs 2>&1 | $(CGREP) -v '"-ltestb"' - $(RUSTC) empty.rs 2>&1 | $(CGREP) -v '"-ltesta" "-ltesta" "-ltesta"' diff --git a/tests/run-make/link-dedup/rmake.rs b/tests/run-make/link-dedup/rmake.rs index a0d3ac865426..9bff3a4b44c7 100644 --- a/tests/run-make/link-dedup/rmake.rs +++ b/tests/run-make/link-dedup/rmake.rs @@ -7,26 +7,18 @@ //@ ignore-msvc +use run_make_support::rustc; + fn main() { rustc().input("depa.rs").run(); rustc().input("depb.rs").run(); rustc().input("depc.rs").run(); - let output = - String::from_utf8(rustc().input("empty.rs").cfg("bar").command_output().stderr).unwrap(); - let pos_a1 = - output.find("-ltesta").expect("empty.rs, compiled with --cfg, should contain -ltesta"); - let pos_b = output[pos_a1..] - .find("-ltestb") - .map(|pos| pos + pos_a1) - .expect("empty.rs, compiled with --cfg, should contain -ltestb"); - let _ = output[pos_b..] - .find("-ltesta") - .map(|pos| pos + pos_b) - .expect("empty.rs, compiled with --cfg, should contain a second -ltesta"); - let output = String::from_utf8(rustc().input("empty.rs").command_output().stderr).unwrap(); - assert!(output.contains("-ltesta")); - let output = String::from_utf8(rustc().input("empty.rs").command_output().stderr).unwrap(); - assert!(!output.contains("-ltestb")); - let output = String::from_utf8(rustc().input("empty.rs").command_output().stderr).unwrap(); - assert_eq!(output.matches("-ltesta").count, 1); + let output = rustc().input("empty.rs").cfg("bar").run_fail(); + output.assert_stderr_contains(r#""-ltesta" "-ltestb" "-ltesta""#); + let output = rustc().input("empty.rs").run_fail(); + output.assert_stderr_contains(r#""-ltesta""#); + let output = rustc().input("empty.rs").run_fail(); + output.assert_stderr_not_contains(r#""-ltestb""#); + let output = rustc().input("empty.rs").run_fail(); + output.assert_stderr_not_contains(r#""-ltesta" "-ltesta" "-ltesta""#); } From 03f19d632ad896be77a0dabfe1298f164c78067c Mon Sep 17 00:00:00 2001 From: Oneirical Date: Tue, 11 Jun 2024 16:12:36 -0400 Subject: [PATCH 1646/1716] Add new test_while_readonly helper function to run-make-support --- src/tools/run-make-support/src/lib.rs | 32 +++++++++++++++++ tests/run-make/inaccessible-temp-dir/rmake.rs | 36 ++++++++----------- tests/run-make/output-with-hyphens/rmake.rs | 4 +-- .../parallel-rustc-no-overwrite/rmake.rs | 5 +-- 4 files changed, 52 insertions(+), 25 deletions(-) diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index b920f9a07db8..6a89a75d7159 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -169,6 +169,38 @@ pub fn cwd() -> PathBuf { env::current_dir().unwrap() } +// FIXME(Oneirical): This will no longer be required after compiletest receives the ability +// to manipulate read-only files. See https://github.com/rust-lang/rust/issues/126334 +/// Ensure that the path P is read-only while the test runs, and restore original permissions +/// at the end so compiletest can clean up. +/// This will panic on Windows if the path is a directory (as it would otherwise do nothing) +#[track_caller] +pub fn test_while_readonly, F: FnOnce() + std::panic::UnwindSafe>( + path: P, + closure: F, +) { + let path = path.as_ref(); + if is_windows() && path.is_dir() { + eprintln!("This helper function cannot be used on Windows to make directories readonly."); + eprintln!( + "See the official documentation: + https://doc.rust-lang.org/std/fs/struct.Permissions.html#method.set_readonly" + ); + panic!("`test_while_readonly` on directory detected while on Windows."); + } + let metadata = fs_wrapper::metadata(&path); + let original_perms = metadata.permissions(); + + let mut new_perms = original_perms.clone(); + new_perms.set_readonly(true); + fs_wrapper::set_permissions(&path, new_perms); + + let success = std::panic::catch_unwind(closure); + + fs_wrapper::set_permissions(&path, original_perms); + success.unwrap(); +} + /// Use `cygpath -w` on a path to get a Windows path string back. This assumes that `cygpath` is /// available on the platform! #[track_caller] diff --git a/tests/run-make/inaccessible-temp-dir/rmake.rs b/tests/run-make/inaccessible-temp-dir/rmake.rs index 25c9d363820d..be24e47b6dec 100644 --- a/tests/run-make/inaccessible-temp-dir/rmake.rs +++ b/tests/run-make/inaccessible-temp-dir/rmake.rs @@ -13,32 +13,26 @@ // use a directory with non-existing parent like `/does-not-exist/output`. // See https://github.com/rust-lang/rust/issues/66530 -//@ only-linux -// Reason: set_mode is only available on Unix - //@ ignore-arm // Reason: linker error on `armhf-gnu` +//@ ignore-windows +// Reason: `set_readonly` has no effect on directories +// and does not prevent modification. -use run_make_support::{fs_wrapper, rustc}; +use run_make_support::{fs_wrapper, rustc, test_while_readonly}; fn main() { // Create an inaccessible directory. fs_wrapper::create_dir("inaccessible"); - let meta = fs_wrapper::metadata("inaccessible"); - let mut perms = meta.permissions(); - perms.set_mode(0o000); // Lock down the directory. - fs_wrapper::set_permissions("inaccessible", perms); - - // Run rustc with `-Z temps-dir` set to a directory *inside* the inaccessible one, - // so that it can't create `tmp`. - rustc() - .input("program.rs") - .arg("-Ztemps-dir=inaccessible/tmp") - .run_fail() - .assert_stderr_contains( - "failed to find or create the directory specified by `--temps-dir`", - ); - - perms.set_mode(0o666); // Unlock the directory, so that compiletest can delete it. - fs_wrapper::set_permissions("inaccessible", perms); + test_while_readonly("inaccessible", || { + // Run rustc with `-Z temps-dir` set to a directory *inside* the inaccessible one, + // so that it can't create `tmp`. + rustc() + .input("program.rs") + .arg("-Ztemps-dir=inaccessible/tmp") + .run_fail() + .assert_stderr_contains( + "failed to find or create the directory specified by `--temps-dir`", + ); + }); } diff --git a/tests/run-make/output-with-hyphens/rmake.rs b/tests/run-make/output-with-hyphens/rmake.rs index 21c003c628b9..79deb772bc5d 100644 --- a/tests/run-make/output-with-hyphens/rmake.rs +++ b/tests/run-make/output-with-hyphens/rmake.rs @@ -7,11 +7,11 @@ //@ ignore-cross-compile -use run_make_support::{path, rustc}; +use run_make_support::{bin_name, path, rust_lib_name, rustc}; fn main() { rustc().input("foo-bar.rs").crate_type("bin").run(); assert!(path(bin_name("foo-bar")).exists()); rustc().input("foo-bar.rs").crate_type("lib").run(); - assert!(path(bin_name("libfoo_bar.rlib")).exists()); + assert!(path(rust_lib_name("foo_bar")).exists()); } diff --git a/tests/run-make/parallel-rustc-no-overwrite/rmake.rs b/tests/run-make/parallel-rustc-no-overwrite/rmake.rs index 40c6ab7ed5eb..3f032cf3762a 100644 --- a/tests/run-make/parallel-rustc-no-overwrite/rmake.rs +++ b/tests/run-make/parallel-rustc-no-overwrite/rmake.rs @@ -10,15 +10,16 @@ use std::sync::{Arc, Barrier}; use std::thread; fn main() { + fs_wrapper::create_file("lib.rs"); let barrier = Arc::new(Barrier::new(2)); let handle = { let barrier = Arc::clone(&barrier); thread::spawn(move || { barrier.wait(); - rustc().crate_type("lib").arg("-Ztemps-dir=temp1").input("lib.rs"); + rustc().crate_type("lib").arg("-Ztemps-dir=temp1").input("lib.rs").run(); }) }; barrier.wait(); - rustc().crate_type("staticlib").arg("-Ztemps-dir=temp2").input("lib.rs"); + rustc().crate_type("staticlib").arg("-Ztemps-dir=temp2").input("lib.rs").run(); handle.join().expect("lib thread panicked"); } From 6c2507cab5711f94305841b43f6623ad80d7448b Mon Sep 17 00:00:00 2001 From: Mara Bos Date: Wed, 12 Jun 2024 15:38:58 +0200 Subject: [PATCH 1647/1716] Add PanicMessage type for PanicInfo::message(). --- library/core/src/panic.rs | 2 + library/core/src/panic/panic_info.rs | 75 +++++++++++++++++++++++++--- library/std/src/panicking.rs | 13 +++-- 3 files changed, 79 insertions(+), 11 deletions(-) diff --git a/library/core/src/panic.rs b/library/core/src/panic.rs index b5a0932221ad..56ede02673c0 100644 --- a/library/core/src/panic.rs +++ b/library/core/src/panic.rs @@ -12,6 +12,8 @@ use crate::any::Any; pub use self::location::Location; #[stable(feature = "panic_hooks", since = "1.10.0")] pub use self::panic_info::PanicInfo; +#[unstable(feature = "panic_info_message", issue = "66745")] +pub use self::panic_info::PanicMessage; #[stable(feature = "catch_unwind", since = "1.9.0")] pub use self::unwind_safe::{AssertUnwindSafe, RefUnwindSafe, UnwindSafe}; diff --git a/library/core/src/panic/panic_info.rs b/library/core/src/panic/panic_info.rs index 78cf1d2e98ec..91953fd656b6 100644 --- a/library/core/src/panic/panic_info.rs +++ b/library/core/src/panic/panic_info.rs @@ -1,4 +1,4 @@ -use crate::fmt; +use crate::fmt::{self, Display}; use crate::panic::Location; /// A struct providing information about a panic. @@ -18,6 +18,17 @@ pub struct PanicInfo<'a> { force_no_backtrace: bool, } +/// A message that was given to the `panic!()` macro. +/// +/// The [`Display`] implementation of this type will format the message with the arguments +/// that were given to the `panic!()` macro. +/// +/// See [`PanicInfo::message`]. +#[unstable(feature = "panic_info_message", issue = "66745")] +pub struct PanicMessage<'a> { + message: fmt::Arguments<'a>, +} + impl<'a> PanicInfo<'a> { #[inline] pub(crate) fn new( @@ -29,12 +40,26 @@ impl<'a> PanicInfo<'a> { PanicInfo { location, message, can_unwind, force_no_backtrace } } - /// The message that was given to the `panic!` macro, - /// ready to be formatted with e.g. [`fmt::write`]. + /// The message that was given to the `panic!` macro. + /// + /// # Example + /// + /// The type returned by this method implements `Display`, so it can + /// be passed directly to [`write!()`] and similar macros. + /// + /// [`write!()`]: core::write + /// + /// ```ignore (no_std) + /// #[panic_handler] + /// fn panic_handler(panic_info: &PanicInfo<'_>) -> ! { + /// write!(DEBUG_OUTPUT, "panicked: {}", panic_info.message()); + /// loop {} + /// } + /// ``` #[must_use] #[unstable(feature = "panic_info_message", issue = "66745")] - pub fn message(&self) -> fmt::Arguments<'_> { - self.message + pub fn message(&self) -> PanicMessage<'_> { + PanicMessage { message: self.message } } /// Returns information about the location from which the panic originated, @@ -116,7 +141,7 @@ impl<'a> PanicInfo<'a> { } #[stable(feature = "panic_hook_display", since = "1.26.0")] -impl fmt::Display for PanicInfo<'_> { +impl Display for PanicInfo<'_> { fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result { formatter.write_str("panicked at ")?; self.location.fmt(formatter)?; @@ -125,3 +150,41 @@ impl fmt::Display for PanicInfo<'_> { Ok(()) } } + +impl<'a> PanicMessage<'a> { + /// Get the formatted message, if it has no arguments to be formatted at runtime. + /// + /// This can be used to avoid allocations in some cases. + /// + /// # Guarantees + /// + /// For `panic!("just a literal")`, this function is guaranteed to + /// return `Some("just a literal")`. + /// + /// For most cases with placeholders, this function will return `None`. + /// + /// See [`fmt::Arguments::as_str`] for details. + #[unstable(feature = "panic_info_message", issue = "66745")] + #[rustc_const_unstable(feature = "const_arguments_as_str", issue = "103900")] + #[must_use] + #[inline] + pub const fn as_str(&self) -> Option<&'static str> { + self.message.as_str() + } +} + +#[unstable(feature = "panic_info_message", issue = "66745")] +impl Display for PanicMessage<'_> { + #[inline] + fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result { + formatter.write_fmt(self.message) + } +} + +#[unstable(feature = "panic_info_message", issue = "66745")] +impl fmt::Debug for PanicMessage<'_> { + #[inline] + fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result { + formatter.write_fmt(self.message) + } +} diff --git a/library/std/src/panicking.rs b/library/std/src/panicking.rs index 2bb5ea28b181..ebd054156951 100644 --- a/library/std/src/panicking.rs +++ b/library/std/src/panicking.rs @@ -593,19 +593,18 @@ pub fn panicking() -> bool { #[panic_handler] pub fn begin_panic_handler(info: &core::panic::PanicInfo<'_>) -> ! { struct FormatStringPayload<'a> { - inner: &'a fmt::Arguments<'a>, + inner: &'a core::panic::PanicMessage<'a>, string: Option, } impl FormatStringPayload<'_> { fn fill(&mut self) -> &mut String { - use crate::fmt::Write; - let inner = self.inner; // Lazily, the first time this gets called, run the actual string formatting. self.string.get_or_insert_with(|| { let mut s = String::new(); - let _err = s.write_fmt(*inner); + let mut fmt = fmt::Formatter::new(&mut s); + let _err = fmt::Display::fmt(&inner, &mut fmt); s }) } @@ -627,7 +626,11 @@ pub fn begin_panic_handler(info: &core::panic::PanicInfo<'_>) -> ! { impl fmt::Display for FormatStringPayload<'_> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - if let Some(s) = &self.string { f.write_str(s) } else { f.write_fmt(*self.inner) } + if let Some(s) = &self.string { + f.write_str(s) + } else { + fmt::Display::fmt(&self.inner, f) + } } } From 6fffe848e3575292ac67d550298a6f169528fd6c Mon Sep 17 00:00:00 2001 From: Oneirical Date: Fri, 14 Jun 2024 16:54:08 -0400 Subject: [PATCH 1648/1716] rewrite native-link-modifier-linker to rmake --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - .../Makefile | 15 ------- .../rmake.rs | 41 +++++++++++++++++++ .../rmake.rs | 7 +++- .../rmake.rs | 5 ++- 5 files changed, 50 insertions(+), 19 deletions(-) delete mode 100644 tests/run-make/native-link-modifier-verbatim-linker/Makefile create mode 100644 tests/run-make/native-link-modifier-verbatim-linker/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 9689f2b355fe..2e266cd1a641 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -142,7 +142,6 @@ run-make/missing-crate-dependency/Makefile run-make/mixing-libs/Makefile run-make/msvc-opt-minsize/Makefile run-make/native-link-modifier-bundle/Makefile -run-make/native-link-modifier-verbatim-linker/Makefile run-make/native-link-modifier-whole-archive/Makefile run-make/no-alloc-shim/Makefile run-make/no-builtins-attribute/Makefile diff --git a/tests/run-make/native-link-modifier-verbatim-linker/Makefile b/tests/run-make/native-link-modifier-verbatim-linker/Makefile deleted file mode 100644 index 47ed2a142918..000000000000 --- a/tests/run-make/native-link-modifier-verbatim-linker/Makefile +++ /dev/null @@ -1,15 +0,0 @@ -# ignore-cross-compile -# ignore-apple - -include ../tools.mk - -all: - # Verbatim allows specify precise name. - $(RUSTC) local_native_dep.rs --crate-type=staticlib -o $(TMPDIR)/local_some_strange_name.ext - $(RUSTC) main.rs -l static:+verbatim=local_some_strange_name.ext - - # With verbatim any other name cannot be used (local). - $(RUSTC) local_native_dep.rs --crate-type=staticlib -o $(TMPDIR)/liblocal_native_dep.a - $(RUSTC) local_native_dep.rs --crate-type=staticlib -o $(TMPDIR)/local_native_dep.a - $(RUSTC) local_native_dep.rs --crate-type=staticlib -o $(TMPDIR)/local_native_dep.lib - $(RUSTC) main.rs -l static:+verbatim=local_native_dep 2>&1 | $(CGREP) "local_native_dep" diff --git a/tests/run-make/native-link-modifier-verbatim-linker/rmake.rs b/tests/run-make/native-link-modifier-verbatim-linker/rmake.rs new file mode 100644 index 000000000000..6868cb368ccc --- /dev/null +++ b/tests/run-make/native-link-modifier-verbatim-linker/rmake.rs @@ -0,0 +1,41 @@ +// `verbatim` is a native link modifier that forces rustc to only accept libraries with +// a specified name. This test checks that this modifier works as intended. +// This test is the same as native-link-modifier-rustc, but without rlibs. +// See https://github.com/rust-lang/rust/issues/99425 + +//@ ignore-apple +// Reason: linking fails due to the unusual ".ext" staticlib name. + +use run_make_support::rustc; + +fn main() { + // Verbatim allows for the specification of a precise name + // - in this case, the unconventional ".ext" extension. + rustc() + .input("local_native_dep.rs") + .crate_type("staticlib") + .output("local_some_strange_name.ext") + .run(); + rustc().input("main.rs").arg("-lstatic:+verbatim=local_some_strange_name.ext").run(); + + // This section voluntarily avoids using static_lib_name helpers to be verbatim. + // With verbatim, even these common library names are refused + // - it wants local_native_dep without + // any file extensions. + rustc() + .input("local_native_dep.rs") + .crate_type("staticlib") + .output("liblocal_native_dep.a") + .run(); + rustc().input("local_native_dep.rs").crate_type("staticlib").output("local_native_dep.a").run(); + rustc() + .input("local_native_dep.rs") + .crate_type("staticlib") + .output("local_native_dep.lib") + .run(); + rustc() + .input("main.rs") + .arg("-lstatic:+verbatim=local_native_dep") + .run_fail() + .assert_stderr_contains("local_native_dep"); +} diff --git a/tests/run-make/native-link-modifier-verbatim-rustc/rmake.rs b/tests/run-make/native-link-modifier-verbatim-rustc/rmake.rs index 58c7fef232c7..703b8a80ef3e 100644 --- a/tests/run-make/native-link-modifier-verbatim-rustc/rmake.rs +++ b/tests/run-make/native-link-modifier-verbatim-rustc/rmake.rs @@ -1,11 +1,13 @@ // `verbatim` is a native link modifier that forces rustc to only accept libraries with // a specified name. This test checks that this modifier works as intended. +// This test is the same as native-link-modifier-linker, but with rlibs. // See https://github.com/rust-lang/rust/issues/99425 use run_make_support::rustc; fn main() { - // Verbatim allows for the specification of a precise name - in this case, the unconventional ".ext" extension. + // Verbatim allows for the specification of a precise name + // - in this case, the unconventional ".ext" extension. rustc() .input("upstream_native_dep.rs") .crate_type("staticlib") @@ -18,7 +20,8 @@ fn main() { .run(); // This section voluntarily avoids using static_lib_name helpers to be verbatim. - // With verbatim, even these common library names are refused - it wants upstream_native_dep without + // With verbatim, even these common library names are refused + // - it wants upstream_native_dep without // any file extensions. rustc() .input("upstream_native_dep.rs") diff --git a/tests/run-make/output-filename-conflicts-with-directory/rmake.rs b/tests/run-make/output-filename-conflicts-with-directory/rmake.rs index 245bc395f14a..4b5c9e8d1187 100644 --- a/tests/run-make/output-filename-conflicts-with-directory/rmake.rs +++ b/tests/run-make/output-filename-conflicts-with-directory/rmake.rs @@ -1,3 +1,4 @@ +// ignore-tidy-linelength // When the compiled executable would conflict with a directory, a // rustc error should be displayed instead of a verbose and // potentially-confusing linker error. @@ -7,5 +8,7 @@ use run_make_support::{fs_wrapper, rustc}; fn main() { fs_wrapper::create_dir("foo"); - rustc().input("foo.rs").output("foo").run_fail().assert_stderr_contains(r#"the generated executable for the input file "foo.rs" conflicts with the existing directory "foo""#); + rustc().input("foo.rs").output("foo").run_fail().assert_stderr_contains( + r#"the generated executable for the input file "foo.rs" conflicts with the existing directory "foo""#, + ); } From 10db8c7bc220dd3cbbdc66e95aa270a26bcd8a8f Mon Sep 17 00:00:00 2001 From: Oneirical Date: Mon, 17 Jun 2024 15:14:21 -0400 Subject: [PATCH 1649/1716] rewrite separate-link to rmake.rs --- src/tools/tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/separate-link/Makefile | 7 ------- tests/run-make/separate-link/rmake.rs | 14 ++++++++++++++ 3 files changed, 14 insertions(+), 8 deletions(-) delete mode 100644 tests/run-make/separate-link/Makefile create mode 100644 tests/run-make/separate-link/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index fdd0be79a4de..47d92dafb619 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -203,7 +203,6 @@ run-make/sanitizer-cdylib-link/Makefile run-make/sanitizer-dylib-link/Makefile run-make/sanitizer-staticlib-link/Makefile run-make/separate-link-fail/Makefile -run-make/separate-link/Makefile run-make/sepcomp-cci-copies/Makefile run-make/sepcomp-inlining/Makefile run-make/sepcomp-separate/Makefile diff --git a/tests/run-make/separate-link/Makefile b/tests/run-make/separate-link/Makefile deleted file mode 100644 index d01158d9f5fb..000000000000 --- a/tests/run-make/separate-link/Makefile +++ /dev/null @@ -1,7 +0,0 @@ -# ignore-cross-compile -include ../tools.mk - -all: - echo 'fn main(){}' | $(RUSTC) -Z no-link - - $(RUSTC) -Z link-only $(TMPDIR)/rust_out.rlink - $(call RUN,rust_out) diff --git a/tests/run-make/separate-link/rmake.rs b/tests/run-make/separate-link/rmake.rs new file mode 100644 index 000000000000..e063a1e5ab7b --- /dev/null +++ b/tests/run-make/separate-link/rmake.rs @@ -0,0 +1,14 @@ +// The compiler flags no-link (and by extension, link-only) used to be broken +// due to changes in encoding/decoding. This was patched, and this test ensures +// that these flags are not broken again, resulting in successful compilation. +// See https://github.com/rust-lang/rust/issues/77857 + +//@ ignore-cross-compile + +use run_make_support::{run, rustc}; + +fn main() { + rustc().stdin(b"fn main(){}").arg("-Zno-link").arg("-").run(); + rustc().arg("-Zlink-only").input("rust_out.rlink").run(); + run("rust_out"); +} From df6d873ae852dfdefafeb9251f5f38ed20e9a2ff Mon Sep 17 00:00:00 2001 From: Oneirical Date: Thu, 13 Jun 2024 16:36:35 -0400 Subject: [PATCH 1650/1716] rewrite no-builtins-lto to rmake --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - .../lto-avoid-object-duplication/rmake.rs | 5 ++++- tests/run-make/no-builtins-lto/Makefile | 9 --------- tests/run-make/no-builtins-lto/rmake.rs | 20 +++++++++++++++++++ 4 files changed, 24 insertions(+), 11 deletions(-) delete mode 100644 tests/run-make/no-builtins-lto/Makefile create mode 100644 tests/run-make/no-builtins-lto/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index a4ca3151baa5..8b91c7d83089 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -146,7 +146,6 @@ run-make/native-link-modifier-verbatim-rustc/Makefile run-make/native-link-modifier-whole-archive/Makefile run-make/no-alloc-shim/Makefile run-make/no-builtins-attribute/Makefile -run-make/no-builtins-lto/Makefile run-make/no-duplicate-libs/Makefile run-make/obey-crate-type-flag/Makefile run-make/optimization-remarks-dir-pgo/Makefile diff --git a/tests/run-make/lto-avoid-object-duplication/rmake.rs b/tests/run-make/lto-avoid-object-duplication/rmake.rs index 018e6a25b925..b0e7494cb513 100644 --- a/tests/run-make/lto-avoid-object-duplication/rmake.rs +++ b/tests/run-make/lto-avoid-object-duplication/rmake.rs @@ -1,3 +1,4 @@ +// ignore-tidy-tab // Staticlibs don't include Rust object files from upstream crates if the same // code was already pulled into the lib via LTO. However, the bug described in // https://github.com/rust-lang/rust/issues/64153 lead to this exclusion not @@ -10,6 +11,8 @@ //@ ignore-windows // Reason: `llvm-objdump`'s output looks different on windows than on other platforms. // Only checking on Unix platforms should suffice. +//FIXME(Oneirical): This could be adapted to work on Windows by checking how +// that output differs. use run_make_support::{llvm_objdump, regex, rust_lib_name, rustc, static_lib_name}; @@ -28,7 +31,7 @@ fn main() { .codegen_units(1) .run(); let syms = llvm_objdump().arg("-t").input(static_lib_name("downstream")).run().stdout_utf8(); - let re = regex::Regex::new(r#"(?m)\s*g\s*F\s.*issue64153_test_function"#).unwrap(); + let re = regex::Regex::new(r#"\s*g\s*F\s.*issue64153_test_function"#).unwrap(); // Count the global instances of `issue64153_test_function`. There'll be 2 // if the `upstream` object file got erroneously included twice. // The line we are testing for with the regex looks something like: diff --git a/tests/run-make/no-builtins-lto/Makefile b/tests/run-make/no-builtins-lto/Makefile deleted file mode 100644 index c8f05d9918b9..000000000000 --- a/tests/run-make/no-builtins-lto/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -include ../tools.mk - -all: - # Compile a `#![no_builtins]` rlib crate - $(RUSTC) no_builtins.rs - # Build an executable that depends on that crate using LTO. The no_builtins crate doesn't - # participate in LTO, so its rlib must be explicitly linked into the final binary. Verify this by - # grepping the linker arguments. - $(RUSTC) main.rs -C lto --print link-args | $(CGREP) 'libno_builtins.rlib' diff --git a/tests/run-make/no-builtins-lto/rmake.rs b/tests/run-make/no-builtins-lto/rmake.rs new file mode 100644 index 000000000000..8e0c3a636490 --- /dev/null +++ b/tests/run-make/no-builtins-lto/rmake.rs @@ -0,0 +1,20 @@ +// The rlib produced by a no_builtins crate should be explicitely linked +// during compilation, and as a result be present in the linker arguments. +// See the comments inside this file for more details. +// See https://github.com/rust-lang/rust/pull/35637 + +use run_make_support::{rust_lib_name, rustc}; + +fn main() { + // Compile a `#![no_builtins]` rlib crate + rustc().input("no_builtins.rs").run(); + // Build an executable that depends on that crate using LTO. The no_builtins crate doesn't + // participate in LTO, so its rlib must be explicitly + // linked into the final binary. Verify this by grepping the linker arguments. + rustc() + .input("main.rs") + .arg("-Clto") + .print("link-args") + .run() + .assert_stdout_contains(rust_lib_name("no_builtins")); +} From dfba1b5ccafc490594a8f5a8b99b643279d55945 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Mon, 17 Jun 2024 15:59:39 -0400 Subject: [PATCH 1651/1716] rewrite separate-link-fail to rmake.rs --- src/tools/tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/separate-link-fail/Makefile | 7 ------- tests/run-make/separate-link-fail/foo.rs | 1 + tests/run-make/separate-link-fail/rmake.rs | 15 +++++++++++++++ 4 files changed, 16 insertions(+), 8 deletions(-) delete mode 100644 tests/run-make/separate-link-fail/Makefile create mode 100644 tests/run-make/separate-link-fail/foo.rs create mode 100644 tests/run-make/separate-link-fail/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 47d92dafb619..8f1d36bb26d8 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -202,7 +202,6 @@ run-make/rustdoc-io-error/Makefile run-make/sanitizer-cdylib-link/Makefile run-make/sanitizer-dylib-link/Makefile run-make/sanitizer-staticlib-link/Makefile -run-make/separate-link-fail/Makefile run-make/sepcomp-cci-copies/Makefile run-make/sepcomp-inlining/Makefile run-make/sepcomp-separate/Makefile diff --git a/tests/run-make/separate-link-fail/Makefile b/tests/run-make/separate-link-fail/Makefile deleted file mode 100644 index bfd18fbf972d..000000000000 --- a/tests/run-make/separate-link-fail/Makefile +++ /dev/null @@ -1,7 +0,0 @@ -include ../tools.mk - -all: - echo 'fn main(){}' > $(TMPDIR)/main.rs - # Make sure that this fails - ! $(RUSTC) -Z link-only $(TMPDIR)/main.rs 2> $(TMPDIR)/stderr.txt - $(CGREP) "The input does not look like a .rlink file" < $(TMPDIR)/stderr.txt diff --git a/tests/run-make/separate-link-fail/foo.rs b/tests/run-make/separate-link-fail/foo.rs new file mode 100644 index 000000000000..f328e4d9d04c --- /dev/null +++ b/tests/run-make/separate-link-fail/foo.rs @@ -0,0 +1 @@ +fn main() {} diff --git a/tests/run-make/separate-link-fail/rmake.rs b/tests/run-make/separate-link-fail/rmake.rs new file mode 100644 index 000000000000..b5d5300de68f --- /dev/null +++ b/tests/run-make/separate-link-fail/rmake.rs @@ -0,0 +1,15 @@ +// rustc usually wants Rust code as its input. The flag `link-only` is one +// exception, where a .rlink file is instead requested. The compiler should +// fail when the user is wrongly passing the original Rust code +// instead of the generated .rlink file when this flag is on. +// https://github.com/rust-lang/rust/issues/95297 + +use run_make_support::rustc; + +fn main() { + rustc() + .arg("-Zlink-only") + .input("foo.rs") + .run_fail() + .assert_stderr_contains("The input does not look like a .rlink file"); +} From 0f8c3f78825a1b6eb765b97f658b92252b55c5df Mon Sep 17 00:00:00 2001 From: Ding Xiang Fei Date: Fri, 12 Apr 2024 23:24:45 +0800 Subject: [PATCH 1652/1716] tail expression behind terminating scope --- compiler/rustc_ast_lowering/src/expr.rs | 56 +++++---- compiler/rustc_feature/src/unstable.rs | 2 + .../rustc_hir_analysis/src/check/region.rs | 10 +- compiler/rustc_span/src/symbol.rs | 1 + .../ui/drop/auxiliary/edition-2021-macros.rs | 8 ++ .../ui/drop/auxiliary/edition-2024-macros.rs | 9 ++ ...xpr-drop-order-negative.edition2024.stderr | 16 +++ .../ui/drop/tail-expr-drop-order-negative.rs | 17 +++ tests/ui/drop/tail-expr-drop-order.rs | 108 ++++++++++++++++++ .../feature-gate-shorter_tail_lifetimes.rs | 8 ++ ...feature-gate-shorter_tail_lifetimes.stderr | 26 +++++ .../refcell-in-tail-expr.edition2021.stderr | 26 +++++ tests/ui/lifetimes/refcell-in-tail-expr.rs | 16 +++ ...rter-tail-expr-lifetime.edition2021.stderr | 26 +++++ .../lifetimes/shorter-tail-expr-lifetime.rs | 15 +++ .../ui/lifetimes/tail-expr-in-nested-expr.rs | 9 ++ .../lifetimes/tail-expr-in-nested-expr.stderr | 15 +++ .../ui/lifetimes/tail-expr-lock-poisoning.rs | 29 +++++ tests/ui/nll/issue-52534-1.rs | 4 +- 19 files changed, 377 insertions(+), 24 deletions(-) create mode 100644 tests/ui/drop/auxiliary/edition-2021-macros.rs create mode 100644 tests/ui/drop/auxiliary/edition-2024-macros.rs create mode 100644 tests/ui/drop/tail-expr-drop-order-negative.edition2024.stderr create mode 100644 tests/ui/drop/tail-expr-drop-order-negative.rs create mode 100644 tests/ui/drop/tail-expr-drop-order.rs create mode 100644 tests/ui/feature-gates/feature-gate-shorter_tail_lifetimes.rs create mode 100644 tests/ui/feature-gates/feature-gate-shorter_tail_lifetimes.stderr create mode 100644 tests/ui/lifetimes/refcell-in-tail-expr.edition2021.stderr create mode 100644 tests/ui/lifetimes/refcell-in-tail-expr.rs create mode 100644 tests/ui/lifetimes/shorter-tail-expr-lifetime.edition2021.stderr create mode 100644 tests/ui/lifetimes/shorter-tail-expr-lifetime.rs create mode 100644 tests/ui/lifetimes/tail-expr-in-nested-expr.rs create mode 100644 tests/ui/lifetimes/tail-expr-in-nested-expr.stderr create mode 100644 tests/ui/lifetimes/tail-expr-lock-poisoning.rs diff --git a/compiler/rustc_ast_lowering/src/expr.rs b/compiler/rustc_ast_lowering/src/expr.rs index 77f95869e9da..79cff0fbcd2e 100644 --- a/compiler/rustc_ast_lowering/src/expr.rs +++ b/compiler/rustc_ast_lowering/src/expr.rs @@ -1716,24 +1716,28 @@ impl<'hir> LoweringContext<'_, 'hir> { // `mut iter => { ... }` let iter_arm = self.arm(iter_pat, loop_expr); - let into_iter_expr = match loop_kind { + let match_expr = match loop_kind { ForLoopKind::For => { // `::std::iter::IntoIterator::into_iter()` - self.expr_call_lang_item_fn( + let into_iter_expr = self.expr_call_lang_item_fn( head_span, hir::LangItem::IntoIterIntoIter, arena_vec![self; head], - ) - } - // ` unsafe { Pin::new_unchecked(&mut into_async_iter()) }` - ForLoopKind::ForAwait => { - // `::core::async_iter::IntoAsyncIterator::into_async_iter()` - let iter = self.expr_call_lang_item_fn( - head_span, - hir::LangItem::IntoAsyncIterIntoIter, - arena_vec![self; head], ); - let iter = self.expr_mut_addr_of(head_span, iter); + + self.arena.alloc(self.expr_match( + for_span, + into_iter_expr, + arena_vec![self; iter_arm], + hir::MatchSource::ForLoopDesugar, + )) + } + // `match into_async_iter() { ref mut iter => match unsafe { Pin::new_unchecked(iter) } { ... } }` + ForLoopKind::ForAwait => { + let iter_ident = iter; + let (async_iter_pat, async_iter_pat_id) = + self.pat_ident_binding_mode(head_span, iter_ident, hir::BindingMode::REF_MUT); + let iter = self.expr_ident_mut(head_span, iter_ident, async_iter_pat_id); // `Pin::new_unchecked(...)` let iter = self.arena.alloc(self.expr_call_lang_item_fn_mut( head_span, @@ -1742,17 +1746,29 @@ impl<'hir> LoweringContext<'_, 'hir> { )); // `unsafe { ... }` let iter = self.arena.alloc(self.expr_unsafe(iter)); - iter + let inner_match_expr = self.arena.alloc(self.expr_match( + for_span, + iter, + arena_vec![self; iter_arm], + hir::MatchSource::ForLoopDesugar, + )); + + // `::core::async_iter::IntoAsyncIterator::into_async_iter()` + let iter = self.expr_call_lang_item_fn( + head_span, + hir::LangItem::IntoAsyncIterIntoIter, + arena_vec![self; head], + ); + let iter_arm = self.arm(async_iter_pat, inner_match_expr); + self.arena.alloc(self.expr_match( + for_span, + iter, + arena_vec![self; iter_arm], + hir::MatchSource::ForLoopDesugar, + )) } }; - let match_expr = self.arena.alloc(self.expr_match( - for_span, - into_iter_expr, - arena_vec![self; iter_arm], - hir::MatchSource::ForLoopDesugar, - )); - // This is effectively `{ let _result = ...; _result }`. // The construct was introduced in #21984 and is necessary to make sure that // temporaries in the `head` expression are dropped and do not leak to the diff --git a/compiler/rustc_feature/src/unstable.rs b/compiler/rustc_feature/src/unstable.rs index 58832cb10875..77e72b5f4fb6 100644 --- a/compiler/rustc_feature/src/unstable.rs +++ b/compiler/rustc_feature/src/unstable.rs @@ -588,6 +588,8 @@ declare_features! ( (incomplete, return_type_notation, "1.70.0", Some(109417)), /// Allows `extern "rust-cold"`. (unstable, rust_cold_cc, "1.63.0", Some(97544)), + /// Shortern the tail expression lifetime + (unstable, shorter_tail_lifetimes, "1.79.0", Some(123739)), /// Allows the use of SIMD types in functions declared in `extern` blocks. (unstable, simd_ffi, "1.0.0", Some(27731)), /// Allows specialization of implementations (RFC 1210). diff --git a/compiler/rustc_hir_analysis/src/check/region.rs b/compiler/rustc_hir_analysis/src/check/region.rs index 72e431926ca3..2b5efd3b2f6f 100644 --- a/compiler/rustc_hir_analysis/src/check/region.rs +++ b/compiler/rustc_hir_analysis/src/check/region.rs @@ -6,7 +6,6 @@ //! //! [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/borrow_check.html -use rustc_ast::visit::visit_opt; use rustc_data_structures::fx::FxHashSet; use rustc_hir as hir; use rustc_hir::def_id::DefId; @@ -168,7 +167,14 @@ fn resolve_block<'tcx>(visitor: &mut RegionResolutionVisitor<'tcx>, blk: &'tcx h hir::StmtKind::Expr(..) | hir::StmtKind::Semi(..) => visitor.visit_stmt(statement), } } - visit_opt!(visitor, visit_expr, &blk.expr); + if let Some(tail_expr) = blk.expr { + if visitor.tcx.features().shorter_tail_lifetimes + && blk.span.edition().at_least_rust_2024() + { + visitor.terminating_scopes.insert(tail_expr.hir_id.local_id); + } + visitor.visit_expr(tail_expr); + } } visitor.cx = prev_cx; diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index f44fa1bcb4fd..9fa8086c8fad 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -1678,6 +1678,7 @@ symbols! { shadow_call_stack, shl, shl_assign, + shorter_tail_lifetimes, should_panic, shr, shr_assign, diff --git a/tests/ui/drop/auxiliary/edition-2021-macros.rs b/tests/ui/drop/auxiliary/edition-2021-macros.rs new file mode 100644 index 000000000000..8a6444f8614d --- /dev/null +++ b/tests/ui/drop/auxiliary/edition-2021-macros.rs @@ -0,0 +1,8 @@ +//@ edition:2021 + +#[macro_export] +macro_rules! edition_2021_block { + ($($c:tt)*) => { + { $($c)* } + } +} diff --git a/tests/ui/drop/auxiliary/edition-2024-macros.rs b/tests/ui/drop/auxiliary/edition-2024-macros.rs new file mode 100644 index 000000000000..236340bfed4f --- /dev/null +++ b/tests/ui/drop/auxiliary/edition-2024-macros.rs @@ -0,0 +1,9 @@ +//@ edition:2024 +//@ compile-flags: -Zunstable-options + +#[macro_export] +macro_rules! edition_2024_block { + ($($c:tt)*) => { + { $($c)* } + } +} diff --git a/tests/ui/drop/tail-expr-drop-order-negative.edition2024.stderr b/tests/ui/drop/tail-expr-drop-order-negative.edition2024.stderr new file mode 100644 index 000000000000..75fc34e409b5 --- /dev/null +++ b/tests/ui/drop/tail-expr-drop-order-negative.edition2024.stderr @@ -0,0 +1,16 @@ +error[E0716]: temporary value dropped while borrowed + --> $DIR/tail-expr-drop-order-negative.rs:11:15 + | +LL | x.replace(std::cell::RefCell::new(123).borrow()).is_some() + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - temporary value is freed at the end of this statement + | | + | creates a temporary value which is freed while still in use +LL | +LL | } + | - borrow might be used here, when `x` is dropped and runs the destructor for type `Option>` + | + = note: consider using a `let` binding to create a longer lived value + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0716`. diff --git a/tests/ui/drop/tail-expr-drop-order-negative.rs b/tests/ui/drop/tail-expr-drop-order-negative.rs new file mode 100644 index 000000000000..c570b3a1ee23 --- /dev/null +++ b/tests/ui/drop/tail-expr-drop-order-negative.rs @@ -0,0 +1,17 @@ +//@ revisions: edition2021 edition2024 +//@ [edition2024] compile-flags: -Zunstable-options +//@ [edition2024] edition: 2024 +//@ [edition2021] check-pass + +#![feature(shorter_tail_lifetimes)] + +fn why_would_you_do_this() -> bool { + let mut x = None; + // Make a temporary `RefCell` and put a `Ref` that borrows it in `x`. + x.replace(std::cell::RefCell::new(123).borrow()).is_some() + //[edition2024]~^ ERROR: temporary value dropped while borrowed +} + +fn main() { + why_would_you_do_this(); +} diff --git a/tests/ui/drop/tail-expr-drop-order.rs b/tests/ui/drop/tail-expr-drop-order.rs new file mode 100644 index 000000000000..5d87f980b156 --- /dev/null +++ b/tests/ui/drop/tail-expr-drop-order.rs @@ -0,0 +1,108 @@ +//@ aux-build:edition-2021-macros.rs +//@ aux-build:edition-2024-macros.rs +//@ compile-flags: -Z validate-mir -Zunstable-options +//@ edition: 2024 +//@ run-pass + +#![feature(shorter_tail_lifetimes)] +#![allow(unused_imports)] +#![allow(dead_code)] +#![allow(unused_variables)] + +#[macro_use] +extern crate edition_2021_macros; +#[macro_use] +extern crate edition_2024_macros; +use std::cell::RefCell; +use std::convert::TryInto; + +#[derive(Default)] +struct DropOrderCollector(RefCell>); + +struct LoudDrop<'a>(&'a DropOrderCollector, u32); + +impl Drop for LoudDrop<'_> { + fn drop(&mut self) { + println!("{}", self.1); + self.0.0.borrow_mut().push(self.1); + } +} + +impl DropOrderCollector { + fn option_loud_drop(&self, n: u32) -> Option { + Some(LoudDrop(self, n)) + } + + fn loud_drop(&self, n: u32) -> LoudDrop { + LoudDrop(self, n) + } + + fn assert_sorted(&self, expected: usize) { + let result = self.0.borrow(); + assert_eq!(result.len(), expected); + for i in 1..result.len() { + assert!( + result[i - 1] < result[i], + "inversion at {} ({} followed by {})", + i - 1, + result[i - 1], + result[i] + ); + } + } +} + +fn edition_2021_around_2021() { + let c = DropOrderCollector::default(); + let _ = edition_2021_block! { + let a = c.loud_drop(1); + edition_2021_block! { + let b = c.loud_drop(0); + c.loud_drop(2).1 + } + }; + c.assert_sorted(3); +} + +fn edition_2021_around_2024() { + let c = DropOrderCollector::default(); + let _ = edition_2021_block! { + let a = c.loud_drop(2); + edition_2024_block! { + let b = c.loud_drop(1); + c.loud_drop(0).1 + } + }; + c.assert_sorted(3); +} + +fn edition_2024_around_2021() { + let c = DropOrderCollector::default(); + let _ = edition_2024_block! { + let a = c.loud_drop(2); + edition_2021_block! { + let b = c.loud_drop(0); + c.loud_drop(1).1 + } + }; + c.assert_sorted(3); +} + +fn edition_2024_around_2024() { + let c = DropOrderCollector::default(); + let _ = edition_2024_block! { + let a = c.loud_drop(2); + edition_2024_block! { + let b = c.loud_drop(1); + c.loud_drop(0).1 + } + }; + c.assert_sorted(3); +} + +fn main() { + edition_2021_around_2021(); + edition_2021_around_2024(); + edition_2024_around_2021(); + edition_2024_around_2024(); +} diff --git a/tests/ui/feature-gates/feature-gate-shorter_tail_lifetimes.rs b/tests/ui/feature-gates/feature-gate-shorter_tail_lifetimes.rs new file mode 100644 index 000000000000..5292c44bb2d4 --- /dev/null +++ b/tests/ui/feature-gates/feature-gate-shorter_tail_lifetimes.rs @@ -0,0 +1,8 @@ +fn f() -> usize { + let c = std::cell::RefCell::new(".."); + c.borrow().len() //~ ERROR: `c` does not live long enough +} + +fn main() { + let _ = f(); +} diff --git a/tests/ui/feature-gates/feature-gate-shorter_tail_lifetimes.stderr b/tests/ui/feature-gates/feature-gate-shorter_tail_lifetimes.stderr new file mode 100644 index 000000000000..648c3d5daa1c --- /dev/null +++ b/tests/ui/feature-gates/feature-gate-shorter_tail_lifetimes.stderr @@ -0,0 +1,26 @@ +error[E0597]: `c` does not live long enough + --> $DIR/feature-gate-shorter_tail_lifetimes.rs:3:5 + | +LL | let c = std::cell::RefCell::new(".."); + | - binding `c` declared here +LL | c.borrow().len() + | ^--------- + | | + | borrowed value does not live long enough + | a temporary with access to the borrow is created here ... +LL | } + | - + | | + | `c` dropped here while still borrowed + | ... and the borrow might be used here, when that temporary is dropped and runs the destructor for type `Ref<'_, &str>` + | + = note: the temporary is part of an expression at the end of a block; + consider forcing this temporary to be dropped sooner, before the block's local variables are dropped +help: for example, you could save the expression's value in a new local variable `x` and then make `x` be the expression at the end of the block + | +LL | let x = c.borrow().len(); x + | +++++++ +++ + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0597`. diff --git a/tests/ui/lifetimes/refcell-in-tail-expr.edition2021.stderr b/tests/ui/lifetimes/refcell-in-tail-expr.edition2021.stderr new file mode 100644 index 000000000000..858be42d5409 --- /dev/null +++ b/tests/ui/lifetimes/refcell-in-tail-expr.edition2021.stderr @@ -0,0 +1,26 @@ +error[E0597]: `cell` does not live long enough + --> $DIR/refcell-in-tail-expr.rs:12:27 + | +LL | let cell = std::cell::RefCell::new(0u8); + | ---- binding `cell` declared here +LL | +LL | if let Ok(mut byte) = cell.try_borrow_mut() { + | ^^^^----------------- + | | + | borrowed value does not live long enough + | a temporary with access to the borrow is created here ... +... +LL | } + | - + | | + | `cell` dropped here while still borrowed + | ... and the borrow might be used here, when that temporary is dropped and runs the destructor for type `Result, BorrowMutError>` + | +help: consider adding semicolon after the expression so its temporaries are dropped sooner, before the local variables declared by the block are dropped + | +LL | }; + | + + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0597`. diff --git a/tests/ui/lifetimes/refcell-in-tail-expr.rs b/tests/ui/lifetimes/refcell-in-tail-expr.rs new file mode 100644 index 000000000000..b1814c1e3271 --- /dev/null +++ b/tests/ui/lifetimes/refcell-in-tail-expr.rs @@ -0,0 +1,16 @@ +//@ revisions: edition2021 edition2024 +//@ [edition2021] edition: 2021 +//@ [edition2024] edition: 2024 +//@ [edition2024] compile-flags: -Zunstable-options +//@ [edition2024] check-pass + +#![cfg_attr(edition2024, feature(shorter_tail_lifetimes))] + +fn main() { + let cell = std::cell::RefCell::new(0u8); + + if let Ok(mut byte) = cell.try_borrow_mut() { + //[edition2021]~^ ERROR: `cell` does not live long enough + *byte = 1; + } +} diff --git a/tests/ui/lifetimes/shorter-tail-expr-lifetime.edition2021.stderr b/tests/ui/lifetimes/shorter-tail-expr-lifetime.edition2021.stderr new file mode 100644 index 000000000000..ad28ae2f80d6 --- /dev/null +++ b/tests/ui/lifetimes/shorter-tail-expr-lifetime.edition2021.stderr @@ -0,0 +1,26 @@ +error[E0597]: `c` does not live long enough + --> $DIR/shorter-tail-expr-lifetime.rs:10:5 + | +LL | let c = std::cell::RefCell::new(".."); + | - binding `c` declared here +LL | c.borrow().len() + | ^--------- + | | + | borrowed value does not live long enough + | a temporary with access to the borrow is created here ... +LL | } + | - + | | + | `c` dropped here while still borrowed + | ... and the borrow might be used here, when that temporary is dropped and runs the destructor for type `Ref<'_, &str>` + | + = note: the temporary is part of an expression at the end of a block; + consider forcing this temporary to be dropped sooner, before the block's local variables are dropped +help: for example, you could save the expression's value in a new local variable `x` and then make `x` be the expression at the end of the block + | +LL | let x = c.borrow().len(); x + | +++++++ +++ + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0597`. diff --git a/tests/ui/lifetimes/shorter-tail-expr-lifetime.rs b/tests/ui/lifetimes/shorter-tail-expr-lifetime.rs new file mode 100644 index 000000000000..0392b6c6d9ad --- /dev/null +++ b/tests/ui/lifetimes/shorter-tail-expr-lifetime.rs @@ -0,0 +1,15 @@ +//@ revisions: edition2021 edition2024 +//@ [edition2024] compile-flags: -Zunstable-options +//@ [edition2024] edition: 2024 +//@ [edition2024] run-pass + +#![cfg_attr(edition2024, feature(shorter_tail_lifetimes))] + +fn f() -> usize { + let c = std::cell::RefCell::new(".."); + c.borrow().len() //[edition2021]~ ERROR: `c` does not live long enough +} + +fn main() { + let _ = f(); +} diff --git a/tests/ui/lifetimes/tail-expr-in-nested-expr.rs b/tests/ui/lifetimes/tail-expr-in-nested-expr.rs new file mode 100644 index 000000000000..a8989f22f4b5 --- /dev/null +++ b/tests/ui/lifetimes/tail-expr-in-nested-expr.rs @@ -0,0 +1,9 @@ +//@ edition: 2024 +//@ compile-flags: -Zunstable-options + +#![feature(shorter_tail_lifetimes)] + +fn main() { + let _ = { String::new().as_str() }.len(); + //~^ ERROR temporary value dropped while borrowed +} diff --git a/tests/ui/lifetimes/tail-expr-in-nested-expr.stderr b/tests/ui/lifetimes/tail-expr-in-nested-expr.stderr new file mode 100644 index 000000000000..f699d184bdb1 --- /dev/null +++ b/tests/ui/lifetimes/tail-expr-in-nested-expr.stderr @@ -0,0 +1,15 @@ +error[E0716]: temporary value dropped while borrowed + --> $DIR/tail-expr-in-nested-expr.rs:7:15 + | +LL | let _ = { String::new().as_str() }.len(); + | ^^^^^^^^^^^^^--------- + | | | + | | temporary value is freed at the end of this statement + | creates a temporary value which is freed while still in use + | borrow later used here + | + = note: consider using a `let` binding to create a longer lived value + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0716`. diff --git a/tests/ui/lifetimes/tail-expr-lock-poisoning.rs b/tests/ui/lifetimes/tail-expr-lock-poisoning.rs new file mode 100644 index 000000000000..69b8f286d774 --- /dev/null +++ b/tests/ui/lifetimes/tail-expr-lock-poisoning.rs @@ -0,0 +1,29 @@ +//@ revisions: edition2021 edition2024 +//@ ignore-wasm no panic or subprocess support +//@ [edition2024] compile-flags: -Zunstable-options +//@ [edition2024] edition: 2024 +//@ run-pass +#![cfg_attr(edition2024, feature(shorter_tail_lifetimes))] + +use std::sync::Mutex; + +struct PanicOnDrop; +impl Drop for PanicOnDrop { + fn drop(&mut self) { + panic!() + } +} + +fn f(m: &Mutex) -> i32 { + let _x = PanicOnDrop; + *m.lock().unwrap() +} + +fn main() { + let m = Mutex::new(0); + let _ = std::panic::catch_unwind(|| f(&m)); + #[cfg(edition2024)] + assert!(m.lock().is_ok()); + #[cfg(edition2021)] + assert!(m.lock().is_err()); +} diff --git a/tests/ui/nll/issue-52534-1.rs b/tests/ui/nll/issue-52534-1.rs index d9ea3ae42c49..526b81bb2d05 100644 --- a/tests/ui/nll/issue-52534-1.rs +++ b/tests/ui/nll/issue-52534-1.rs @@ -17,14 +17,14 @@ fn foo(x: &u32) -> &u32 { fn baz(x: &u32) -> &&u32 { let x = 22; &&x -//~^ ERROR cannot return value referencing local variable +//~^ ERROR cannot return value referencing local variable `x` //~| ERROR cannot return reference to temporary value } fn foobazbar<'a>(x: u32, y: &'a u32) -> &'a u32 { let x = 22; &x -//~^ ERROR cannot return reference to local variable +//~^ ERROR cannot return reference to local variable `x` } fn foobar<'a>(x: &'a u32) -> &'a u32 { From 68bd001c00e37a6c6854482138d27a76428efdff Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Wed, 5 Jun 2024 17:02:18 -0400 Subject: [PATCH 1653/1716] Make parse_seq_to_before_tokens take expected/nonexpected tokens, use in parse_precise_capturing_syntax --- .../rustc_parse/src/parser/diagnostics.rs | 7 +--- compiler/rustc_parse/src/parser/expr.rs | 6 +-- compiler/rustc_parse/src/parser/mod.rs | 39 ++++++++----------- compiler/rustc_parse/src/parser/ty.rs | 14 +++++-- .../precise-capturing/unexpected-token.rs | 1 - .../precise-capturing/unexpected-token.stderr | 10 +---- tests/ui/issues/issue-66706.rs | 4 +- tests/ui/issues/issue-66706.stderr | 8 ++-- 8 files changed, 38 insertions(+), 51 deletions(-) diff --git a/compiler/rustc_parse/src/parser/diagnostics.rs b/compiler/rustc_parse/src/parser/diagnostics.rs index 2bb6fb53869b..0c326c8eca2d 100644 --- a/compiler/rustc_parse/src/parser/diagnostics.rs +++ b/compiler/rustc_parse/src/parser/diagnostics.rs @@ -1,7 +1,6 @@ use super::pat::Expected; use super::{ - BlockMode, CommaRecoveryMode, Parser, PathStyle, Restrictions, SemiColonMode, SeqSep, - TokenExpectType, TokenType, + BlockMode, CommaRecoveryMode, Parser, PathStyle, Restrictions, SemiColonMode, SeqSep, TokenType, }; use crate::errors::{ AmbiguousPlus, AsyncMoveBlockIn2015, AttributeOnParamType, BadQPathStage2, BadTypePlus, @@ -1045,9 +1044,7 @@ impl<'a> Parser<'a> { /// passes through any errors encountered. Used for error recovery. pub(super) fn eat_to_tokens(&mut self, kets: &[&TokenKind]) { if let Err(err) = - self.parse_seq_to_before_tokens(kets, SeqSep::none(), TokenExpectType::Expect, |p| { - Ok(p.parse_token_tree()) - }) + self.parse_seq_to_before_tokens(kets, &[], SeqSep::none(), |p| Ok(p.parse_token_tree())) { err.cancel(); } diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs index e15d6ab2123a..8916c5de63d7 100644 --- a/compiler/rustc_parse/src/parser/expr.rs +++ b/compiler/rustc_parse/src/parser/expr.rs @@ -4,7 +4,7 @@ use super::pat::{CommaRecoveryMode, Expected, RecoverColon, RecoverComma}; use super::ty::{AllowPlus, RecoverQPath, RecoverReturnSign}; use super::{ AttrWrapper, BlockMode, ClosureSpans, ForceCollect, Parser, PathStyle, Restrictions, - SemiColonMode, SeqSep, TokenExpectType, TokenType, Trailing, TrailingToken, + SemiColonMode, SeqSep, TokenType, Trailing, TrailingToken, }; use crate::errors; @@ -2456,9 +2456,9 @@ impl<'a> Parser<'a> { self.expect(&token::BinOp(token::Or))?; let args = self .parse_seq_to_before_tokens( - &[&token::BinOp(token::Or), &token::OrOr], + &[&token::BinOp(token::Or)], + &[&token::OrOr], SeqSep::trailing_allowed(token::Comma), - TokenExpectType::NoExpect, |p| p.parse_fn_block_param(), )? .0; diff --git a/compiler/rustc_parse/src/parser/mod.rs b/compiler/rustc_parse/src/parser/mod.rs index adf04fcf2241..604959b1cda7 100644 --- a/compiler/rustc_parse/src/parser/mod.rs +++ b/compiler/rustc_parse/src/parser/mod.rs @@ -335,18 +335,6 @@ impl TokenType { } } -/// Used by [`Parser::expect_any_with_type`]. -#[derive(Copy, Clone, Debug)] -enum TokenExpectType { - /// Unencountered tokens are inserted into [`Parser::expected_tokens`]. - /// See [`Parser::check`]. - Expect, - - /// Unencountered tokens are not inserted into [`Parser::expected_tokens`]. - /// See [`Parser::check_noexpect`]. - NoExpect, -} - /// A sequence separator. #[derive(Debug)] struct SeqSep { @@ -807,11 +795,13 @@ impl<'a> Parser<'a> { } /// Checks if the next token is contained within `kets`, and returns `true` if so. - fn expect_any_with_type(&mut self, kets: &[&TokenKind], expect: TokenExpectType) -> bool { - kets.iter().any(|k| match expect { - TokenExpectType::Expect => self.check(k), - TokenExpectType::NoExpect => self.check_noexpect(k), - }) + fn expect_any_with_type( + &mut self, + kets_expected: &[&TokenKind], + kets_not_expected: &[&TokenKind], + ) -> bool { + kets_expected.iter().any(|k| self.check(k)) + || kets_not_expected.iter().any(|k| self.check_noexpect(k)) } /// Parses a sequence until the specified delimiters. The function @@ -819,9 +809,9 @@ impl<'a> Parser<'a> { /// closing bracket. fn parse_seq_to_before_tokens( &mut self, - kets: &[&TokenKind], + kets_expected: &[&TokenKind], + kets_not_expected: &[&TokenKind], sep: SeqSep, - expect: TokenExpectType, mut f: impl FnMut(&mut Parser<'a>) -> PResult<'a, T>, ) -> PResult<'a, (ThinVec, Trailing, Recovered)> { let mut first = true; @@ -829,7 +819,7 @@ impl<'a> Parser<'a> { let mut trailing = Trailing::No; let mut v = ThinVec::new(); - while !self.expect_any_with_type(kets, expect) { + while !self.expect_any_with_type(kets_expected, kets_not_expected) { if let token::CloseDelim(..) | token::Eof = self.token.kind { break; } @@ -927,7 +917,8 @@ impl<'a> Parser<'a> { if self.token == token::Colon { // we will try to recover in `maybe_recover_struct_lit_bad_delims` return Err(expect_err); - } else if let [token::CloseDelim(Delimiter::Parenthesis)] = kets + } else if let [token::CloseDelim(Delimiter::Parenthesis)] = + kets_expected { return Err(expect_err); } else { @@ -940,7 +931,9 @@ impl<'a> Parser<'a> { } } } - if sep.trailing_sep_allowed && self.expect_any_with_type(kets, expect) { + if sep.trailing_sep_allowed + && self.expect_any_with_type(kets_expected, kets_not_expected) + { trailing = Trailing::Yes; break; } @@ -1020,7 +1013,7 @@ impl<'a> Parser<'a> { sep: SeqSep, f: impl FnMut(&mut Parser<'a>) -> PResult<'a, T>, ) -> PResult<'a, (ThinVec, Trailing, Recovered)> { - self.parse_seq_to_before_tokens(&[ket], sep, TokenExpectType::Expect, f) + self.parse_seq_to_before_tokens(&[ket], &[], sep, f) } /// Parses a sequence, including only the closing delimiter. The function diff --git a/compiler/rustc_parse/src/parser/ty.rs b/compiler/rustc_parse/src/parser/ty.rs index 5bed0317e5eb..bdb08709f276 100644 --- a/compiler/rustc_parse/src/parser/ty.rs +++ b/compiler/rustc_parse/src/parser/ty.rs @@ -9,7 +9,7 @@ use crate::errors::{ use crate::{maybe_recover_from_interpolated_ty_qpath, maybe_whole}; use rustc_ast::ptr::P; -use rustc_ast::token::{self, Delimiter, Token, TokenKind}; +use rustc_ast::token::{self, BinOpToken, Delimiter, Token, TokenKind}; use rustc_ast::util::case::Case; use rustc_ast::{ self as ast, BareFnTy, BoundAsyncness, BoundConstness, BoundPolarity, FnRetTy, GenericBound, @@ -694,9 +694,14 @@ impl<'a> Parser<'a> { &mut self, ) -> PResult<'a, (ThinVec, Span)> { let lo = self.token.span; - let (args, _) = self.parse_unspanned_seq( - &TokenKind::Lt, - &TokenKind::Gt, + self.expect_lt()?; + let (args, _, _) = self.parse_seq_to_before_tokens( + &[&TokenKind::Gt], + &[ + &TokenKind::Ge, + &TokenKind::BinOp(BinOpToken::Shr), + &TokenKind::BinOpEq(BinOpToken::Shr), + ], SeqSep::trailing_allowed(token::Comma), |self_| { if self_.check_keyword(kw::SelfUpper) { @@ -717,6 +722,7 @@ impl<'a> Parser<'a> { } }, )?; + self.expect_gt()?; Ok((args, lo.to(self.prev_token.span))) } diff --git a/tests/ui/impl-trait/precise-capturing/unexpected-token.rs b/tests/ui/impl-trait/precise-capturing/unexpected-token.rs index 39c8c0def6bf..2a7ccbe1e609 100644 --- a/tests/ui/impl-trait/precise-capturing/unexpected-token.rs +++ b/tests/ui/impl-trait/precise-capturing/unexpected-token.rs @@ -4,6 +4,5 @@ fn hello() -> impl use<'a {}> Sized {} //~^ ERROR expected one of `,` or `>`, found `{` -//~| ERROR expected item, found `>` fn main() {} diff --git a/tests/ui/impl-trait/precise-capturing/unexpected-token.stderr b/tests/ui/impl-trait/precise-capturing/unexpected-token.stderr index 989c479b2484..1f8e1d0ec323 100644 --- a/tests/ui/impl-trait/precise-capturing/unexpected-token.stderr +++ b/tests/ui/impl-trait/precise-capturing/unexpected-token.stderr @@ -4,13 +4,5 @@ error: expected one of `,` or `>`, found `{` LL | fn hello() -> impl use<'a {}> Sized {} | ^ expected one of `,` or `>` -error: expected item, found `>` - --> $DIR/unexpected-token.rs:5:29 - | -LL | fn hello() -> impl use<'a {}> Sized {} - | ^ expected item - | - = note: for a full list of items that can appear in modules, see - -error: aborting due to 2 previous errors +error: aborting due to 1 previous error diff --git a/tests/ui/issues/issue-66706.rs b/tests/ui/issues/issue-66706.rs index 6d1d9f5e3a99..87dc3437a57b 100644 --- a/tests/ui/issues/issue-66706.rs +++ b/tests/ui/issues/issue-66706.rs @@ -1,6 +1,6 @@ fn a() { [0; [|_: _ &_| ()].len()] - //~^ ERROR expected `,`, found `&` + //~^ ERROR expected one of `,` or `|`, found `&` //~| ERROR type annotations needed } @@ -11,7 +11,7 @@ fn b() { fn c() { [0; [|&_: _ &_| {}; 0 ].len()] - //~^ ERROR expected `,`, found `&` + //~^ ERROR expected one of `,` or `|`, found `&` //~| ERROR type annotations needed } diff --git a/tests/ui/issues/issue-66706.stderr b/tests/ui/issues/issue-66706.stderr index 0271db754bd3..dd1e07589f51 100644 --- a/tests/ui/issues/issue-66706.stderr +++ b/tests/ui/issues/issue-66706.stderr @@ -1,8 +1,8 @@ -error: expected `,`, found `&` +error: expected one of `,` or `|`, found `&` --> $DIR/issue-66706.rs:2:16 | LL | [0; [|_: _ &_| ()].len()] - | -^ expected `,` + | -^ expected one of `,` or `|` | | | help: missing `,` @@ -12,11 +12,11 @@ error: expected identifier, found reserved identifier `_` LL | [0; [|f @ &ref _| {} ; 0 ].len() ]; | ^ expected identifier, found reserved identifier -error: expected `,`, found `&` +error: expected one of `,` or `|`, found `&` --> $DIR/issue-66706.rs:13:17 | LL | [0; [|&_: _ &_| {}; 0 ].len()] - | -^ expected `,` + | -^ expected one of `,` or `|` | | | help: missing `,` From b1efe1ab5d10c5dc0462445273ca4e42dea3c5e3 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Wed, 5 Jun 2024 16:18:52 -0400 Subject: [PATCH 1654/1716] Rework precise capturing syntax --- compiler/rustc_ast/src/ast.rs | 5 +- compiler/rustc_ast/src/mut_visit.rs | 12 +- compiler/rustc_ast/src/util/classify.rs | 6 +- compiler/rustc_ast/src/visit.rs | 21 +- compiler/rustc_ast_lowering/src/lib.rs | 132 ++++++------- compiler/rustc_ast_passes/messages.ftl | 2 + .../rustc_ast_passes/src/ast_validation.rs | 182 ++++++++++-------- compiler/rustc_ast_passes/src/errors.rs | 8 + compiler/rustc_ast_pretty/src/pprust/state.rs | 20 +- compiler/rustc_feature/src/unstable.rs | 2 +- compiler/rustc_hir/src/hir.rs | 4 +- compiler/rustc_hir/src/intravisit.rs | 11 +- .../rustc_hir_analysis/src/check/check.rs | 7 +- .../src/hir_ty_lowering/bounds.rs | 3 + compiler/rustc_hir_pretty/src/lib.rs | 16 +- .../rustc_lint/src/impl_trait_overcaptures.rs | 18 +- compiler/rustc_lint/src/unused.rs | 2 +- compiler/rustc_parse/src/parser/generics.rs | 2 +- compiler/rustc_parse/src/parser/item.rs | 2 +- compiler/rustc_parse/src/parser/ty.rs | 27 ++- compiler/rustc_passes/src/hir_stats.rs | 4 +- compiler/rustc_resolve/src/late.rs | 2 +- .../rustc_resolve/src/late/diagnostics.rs | 4 +- .../clippy_lints/src/needless_maybe_sized.rs | 2 +- .../feature-gate-precise-capturing.rs | 2 +- .../feature-gate-precise-capturing.stderr | 6 +- tests/ui/impl-trait/precise-capturing/apit.rs | 2 +- .../impl-trait/precise-capturing/apit.stderr | 6 +- .../precise-capturing/bad-lifetimes.rs | 6 +- .../precise-capturing/bad-lifetimes.stderr | 28 +-- .../precise-capturing/bad-params.rs | 8 +- .../precise-capturing/bad-params.stderr | 26 +-- .../precise-capturing/capture-parent-arg.rs | 8 +- .../capture-parent-arg.stderr | 10 +- .../ui/impl-trait/precise-capturing/elided.rs | 2 +- .../forgot-to-capture-const.rs | 2 +- .../forgot-to-capture-const.stderr | 4 +- .../forgot-to-capture-lifetime.rs | 4 +- .../forgot-to-capture-lifetime.stderr | 16 +- .../forgot-to-capture-type.rs | 4 +- .../forgot-to-capture-type.stderr | 8 +- .../precise-capturing/higher-ranked.rs | 2 +- .../impl-trait/precise-capturing/ordering.rs | 8 +- .../precise-capturing/ordering.stderr | 28 +-- .../impl-trait/precise-capturing/outlives.rs | 2 +- .../precise-capturing/overcaptures-2024.fixed | 8 +- .../overcaptures-2024.stderr | 16 +- .../impl-trait/precise-capturing/redundant.rs | 8 +- .../precise-capturing/redundant.stderr | 32 +-- .../precise-capturing/self-capture.rs | 2 +- .../precise-capturing/unexpected-token.rs | 2 +- .../precise-capturing/unexpected-token.stderr | 6 +- tests/ui/parser/trait-object-delimiters.rs | 2 +- .../ui/parser/trait-object-delimiters.stderr | 4 +- 54 files changed, 406 insertions(+), 350 deletions(-) diff --git a/compiler/rustc_ast/src/ast.rs b/compiler/rustc_ast/src/ast.rs index 9cb193b4a678..fe888d2004f8 100644 --- a/compiler/rustc_ast/src/ast.rs +++ b/compiler/rustc_ast/src/ast.rs @@ -307,6 +307,8 @@ impl TraitBoundModifiers { pub enum GenericBound { Trait(PolyTraitRef, TraitBoundModifiers), Outlives(Lifetime), + /// Precise capturing syntax: `impl Sized + use<'a>` + Use(ThinVec, Span), } impl GenericBound { @@ -314,6 +316,7 @@ impl GenericBound { match self { GenericBound::Trait(t, ..) => t.span, GenericBound::Outlives(l) => l.ident.span, + GenericBound::Use(_, span) => *span, } } } @@ -2162,7 +2165,7 @@ pub enum TyKind { /// The `NodeId` exists to prevent lowering from having to /// generate `NodeId`s on the fly, which would complicate /// the generation of opaque `type Foo = impl Trait` items significantly. - ImplTrait(NodeId, GenericBounds, Option, Span)>>), + ImplTrait(NodeId, GenericBounds), /// No-op; kept solely so that we can pretty-print faithfully. Paren(P), /// Unused for now. diff --git a/compiler/rustc_ast/src/mut_visit.rs b/compiler/rustc_ast/src/mut_visit.rs index cc33ce2cb562..182ad7359af8 100644 --- a/compiler/rustc_ast/src/mut_visit.rs +++ b/compiler/rustc_ast/src/mut_visit.rs @@ -523,14 +523,9 @@ pub fn noop_visit_ty(ty: &mut P, vis: &mut T) { TyKind::TraitObject(bounds, _syntax) => { visit_vec(bounds, |bound| vis.visit_param_bound(bound)) } - TyKind::ImplTrait(id, bounds, precise_capturing) => { + TyKind::ImplTrait(id, bounds) => { vis.visit_id(id); visit_vec(bounds, |bound| vis.visit_param_bound(bound)); - if let Some((precise_capturing, _span)) = precise_capturing.as_deref_mut() { - for arg in precise_capturing { - vis.visit_precise_capturing_arg(arg); - } - } } TyKind::MacCall(mac) => vis.visit_mac_call(mac), TyKind::AnonStruct(id, fields) | TyKind::AnonUnion(id, fields) => { @@ -923,6 +918,11 @@ fn noop_visit_param_bound(pb: &mut GenericBound, vis: &mut T) { match pb { GenericBound::Trait(ty, _modifier) => vis.visit_poly_trait_ref(ty), GenericBound::Outlives(lifetime) => noop_visit_lifetime(lifetime, vis), + GenericBound::Use(args, _) => { + for arg in args { + vis.visit_precise_capturing_arg(arg); + } + } } } diff --git a/compiler/rustc_ast/src/util/classify.rs b/compiler/rustc_ast/src/util/classify.rs index 382c903625fb..4b2544ac47ed 100644 --- a/compiler/rustc_ast/src/util/classify.rs +++ b/compiler/rustc_ast/src/util/classify.rs @@ -184,7 +184,7 @@ fn type_trailing_braced_mac_call(mut ty: &ast::Ty) -> Option<&ast::MacCall> { None => break None, }, - ast::TyKind::TraitObject(bounds, _) | ast::TyKind::ImplTrait(_, bounds, _) => { + ast::TyKind::TraitObject(bounds, _) | ast::TyKind::ImplTrait(_, bounds) => { match bounds.last() { Some(ast::GenericBound::Trait(bound, _)) => { match path_return_type(&bound.trait_ref.path) { @@ -192,7 +192,9 @@ fn type_trailing_braced_mac_call(mut ty: &ast::Ty) -> Option<&ast::MacCall> { None => break None, } } - Some(ast::GenericBound::Outlives(_)) | None => break None, + Some(ast::GenericBound::Outlives(_) | ast::GenericBound::Use(..)) | None => { + break None; + } } } diff --git a/compiler/rustc_ast/src/visit.rs b/compiler/rustc_ast/src/visit.rs index fa97c8db3267..104a401cd531 100644 --- a/compiler/rustc_ast/src/visit.rs +++ b/compiler/rustc_ast/src/visit.rs @@ -52,6 +52,16 @@ pub enum BoundKind { /// E.g., `trait A: B` SuperTraits, } +impl BoundKind { + pub fn descr(self) -> &'static str { + match self { + BoundKind::Bound => "bounds", + BoundKind::Impl => "`impl Trait`", + BoundKind::TraitObject => "`dyn` trait object bounds", + BoundKind::SuperTraits => "supertrait bounds", + } + } +} #[derive(Copy, Clone, Debug)] pub enum FnKind<'a> { @@ -497,13 +507,8 @@ pub fn walk_ty<'a, V: Visitor<'a>>(visitor: &mut V, typ: &'a Ty) -> V::Result { TyKind::TraitObject(bounds, ..) => { walk_list!(visitor, visit_param_bound, bounds, BoundKind::TraitObject); } - TyKind::ImplTrait(_, bounds, precise_capturing) => { + TyKind::ImplTrait(_, bounds) => { walk_list!(visitor, visit_param_bound, bounds, BoundKind::Impl); - if let Some((precise_capturing, _span)) = precise_capturing.as_deref() { - for arg in precise_capturing { - try_visit!(visitor.visit_precise_capturing_arg(arg)); - } - } } TyKind::Typeof(expression) => try_visit!(visitor.visit_anon_const(expression)), TyKind::Infer | TyKind::ImplicitSelf | TyKind::Dummy | TyKind::Err(_) => {} @@ -688,6 +693,10 @@ pub fn walk_param_bound<'a, V: Visitor<'a>>(visitor: &mut V, bound: &'a GenericB match bound { GenericBound::Trait(typ, _modifier) => visitor.visit_poly_trait_ref(typ), GenericBound::Outlives(lifetime) => visitor.visit_lifetime(lifetime, LifetimeCtxt::Bound), + GenericBound::Use(args, _) => { + walk_list!(visitor, visit_precise_capturing_arg, args); + V::Result::output() + } } } diff --git a/compiler/rustc_ast_lowering/src/lib.rs b/compiler/rustc_ast_lowering/src/lib.rs index 88f6e6c3b780..1fc6a9699157 100644 --- a/compiler/rustc_ast_lowering/src/lib.rs +++ b/compiler/rustc_ast_lowering/src/lib.rs @@ -51,9 +51,9 @@ use rustc_data_structures::sorted_map::SortedMap; use rustc_data_structures::stable_hasher::{HashStable, StableHasher}; use rustc_data_structures::sync::Lrc; use rustc_errors::{DiagArgFromDisplay, DiagCtxt, StashKey}; -use rustc_hir as hir; use rustc_hir::def::{DefKind, LifetimeRes, Namespace, PartialRes, PerNS, Res}; use rustc_hir::def_id::{LocalDefId, LocalDefIdMap, CRATE_DEF_ID, LOCAL_CRATE}; +use rustc_hir::{self as hir}; use rustc_hir::{ ConstArg, GenericArg, HirId, ItemLocalMap, MissingLifetimeKind, ParamName, TraitCandidate, }; @@ -1384,6 +1384,8 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { } None } + // Ignore `use` syntax since that is not valid in objects. + GenericBound::Use(..) => None, })); let lifetime_bound = lifetime_bound.unwrap_or_else(|| this.elided_dyn_bound(t.span)); @@ -1391,7 +1393,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { }); hir::TyKind::TraitObject(bounds, lifetime_bound, *kind) } - TyKind::ImplTrait(def_node_id, bounds, precise_capturing) => { + TyKind::ImplTrait(def_node_id, bounds) => { let span = t.span; match itctx { ImplTraitContext::OpaqueTy { origin, fn_kind } => self.lower_opaque_impl_trait( @@ -1401,12 +1403,15 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { bounds, fn_kind, itctx, - precise_capturing.as_deref().map(|(args, span)| (args.as_slice(), *span)), ), ImplTraitContext::Universal => { - if let Some(&(_, span)) = precise_capturing.as_deref() { + if let Some(span) = bounds.iter().find_map(|bound| match *bound { + ast::GenericBound::Use(_, span) => Some(span), + _ => None, + }) { self.tcx.dcx().emit_err(errors::NoPreciseCapturesOnApit { span }); - }; + } + let span = t.span; // HACK: pprust breaks strings with newlines when the type @@ -1517,7 +1522,6 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { bounds: &GenericBounds, fn_kind: Option, itctx: ImplTraitContext, - precise_capturing_args: Option<(&[PreciseCapturingArg], Span)>, ) -> hir::TyKind<'hir> { // Make sure we know that some funky desugaring has been going on here. // This is a first: there is code in other places like for loop @@ -1526,59 +1530,61 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { // frequently opened issues show. let opaque_ty_span = self.mark_span_with_reason(DesugaringKind::OpaqueTy, span, None); - let captured_lifetimes_to_duplicate = - if let Some((precise_capturing, _)) = precise_capturing_args { - // We'll actually validate these later on; all we need is the list of - // lifetimes to duplicate during this portion of lowering. - precise_capturing - .iter() - .filter_map(|arg| match arg { - PreciseCapturingArg::Lifetime(lt) => Some(*lt), - PreciseCapturingArg::Arg(..) => None, - }) - // Add in all the lifetimes mentioned in the bounds. We will error - // them out later, but capturing them here is important to make sure - // they actually get resolved in resolve_bound_vars. - .chain(lifetime_collector::lifetimes_in_bounds(self.resolver, bounds)) - .collect() - } else { - match origin { - hir::OpaqueTyOrigin::TyAlias { .. } => { - // type alias impl trait and associated type position impl trait were - // decided to capture all in-scope lifetimes, which we collect for - // all opaques during resolution. + let captured_lifetimes_to_duplicate = if let Some(args) = + bounds.iter().find_map(|bound| match bound { + ast::GenericBound::Use(a, _) => Some(a), + _ => None, + }) { + // We'll actually validate these later on; all we need is the list of + // lifetimes to duplicate during this portion of lowering. + args.iter() + .filter_map(|arg| match arg { + PreciseCapturingArg::Lifetime(lt) => Some(*lt), + PreciseCapturingArg::Arg(..) => None, + }) + // Add in all the lifetimes mentioned in the bounds. We will error + // them out later, but capturing them here is important to make sure + // they actually get resolved in resolve_bound_vars. + .chain(lifetime_collector::lifetimes_in_bounds(self.resolver, bounds)) + .collect() + } else { + match origin { + hir::OpaqueTyOrigin::TyAlias { .. } => { + // type alias impl trait and associated type position impl trait were + // decided to capture all in-scope lifetimes, which we collect for + // all opaques during resolution. + self.resolver + .take_extra_lifetime_params(opaque_ty_node_id) + .into_iter() + .map(|(ident, id, _)| Lifetime { id, ident }) + .collect() + } + hir::OpaqueTyOrigin::FnReturn(..) => { + if matches!( + fn_kind.expect("expected RPITs to be lowered with a FnKind"), + FnDeclKind::Impl | FnDeclKind::Trait + ) || self.tcx.features().lifetime_capture_rules_2024 + || span.at_least_rust_2024() + { + // return-position impl trait in trait was decided to capture all + // in-scope lifetimes, which we collect for all opaques during resolution. self.resolver .take_extra_lifetime_params(opaque_ty_node_id) .into_iter() .map(|(ident, id, _)| Lifetime { id, ident }) .collect() - } - hir::OpaqueTyOrigin::FnReturn(..) => { - if matches!( - fn_kind.expect("expected RPITs to be lowered with a FnKind"), - FnDeclKind::Impl | FnDeclKind::Trait - ) || self.tcx.features().lifetime_capture_rules_2024 - || span.at_least_rust_2024() - { - // return-position impl trait in trait was decided to capture all - // in-scope lifetimes, which we collect for all opaques during resolution. - self.resolver - .take_extra_lifetime_params(opaque_ty_node_id) - .into_iter() - .map(|(ident, id, _)| Lifetime { id, ident }) - .collect() - } else { - // in fn return position, like the `fn test<'a>() -> impl Debug + 'a` - // example, we only need to duplicate lifetimes that appear in the - // bounds, since those are the only ones that are captured by the opaque. - lifetime_collector::lifetimes_in_bounds(self.resolver, bounds) - } - } - hir::OpaqueTyOrigin::AsyncFn(..) => { - unreachable!("should be using `lower_async_fn_ret_ty`") + } else { + // in fn return position, like the `fn test<'a>() -> impl Debug + 'a` + // example, we only need to duplicate lifetimes that appear in the + // bounds, since those are the only ones that are captured by the opaque. + lifetime_collector::lifetimes_in_bounds(self.resolver, bounds) } } - }; + hir::OpaqueTyOrigin::AsyncFn(..) => { + unreachable!("should be using `lower_async_fn_ret_ty`") + } + } + }; debug!(?captured_lifetimes_to_duplicate); self.lower_opaque_inner( @@ -1588,7 +1594,6 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { captured_lifetimes_to_duplicate, span, opaque_ty_span, - precise_capturing_args, |this| this.lower_param_bounds(bounds, itctx), ) } @@ -1601,7 +1606,6 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { captured_lifetimes_to_duplicate: FxIndexSet, span: Span, opaque_ty_span: Span, - precise_capturing_args: Option<(&[PreciseCapturingArg], Span)>, lower_item_bounds: impl FnOnce(&mut Self) -> &'hir [hir::GenericBound<'hir>], ) -> hir::TyKind<'hir> { let opaque_ty_def_id = self.create_def( @@ -1688,18 +1692,8 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { // Install the remapping from old to new (if any). This makes sure that // any lifetimes that would have resolved to the def-id of captured // lifetimes are remapped to the new *synthetic* lifetimes of the opaque. - let (bounds, precise_capturing_args) = - this.with_remapping(captured_to_synthesized_mapping, |this| { - ( - lower_item_bounds(this), - precise_capturing_args.map(|(precise_capturing, span)| { - ( - this.lower_precise_capturing_args(precise_capturing), - this.lower_span(span), - ) - }), - ) - }); + let bounds = this + .with_remapping(captured_to_synthesized_mapping, |this| lower_item_bounds(this)); let generic_params = this.arena.alloc_from_iter(synthesized_lifetime_definitions.iter().map( @@ -1744,7 +1738,6 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { origin, lifetime_mapping, in_trait, - precise_capturing_args, }; // Generate an `type Foo = impl Trait;` declaration. @@ -1955,7 +1948,6 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { captured_lifetimes, span, opaque_ty_span, - None, |this| { let bound = this.lower_coroutine_fn_output_type_to_bound( output, @@ -2038,6 +2030,10 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { GenericBound::Outlives(lifetime) => { hir::GenericBound::Outlives(self.lower_lifetime(lifetime)) } + GenericBound::Use(args, span) => hir::GenericBound::Use( + self.lower_precise_capturing_args(args), + self.lower_span(*span), + ), } } diff --git a/compiler/rustc_ast_passes/messages.ftl b/compiler/rustc_ast_passes/messages.ftl index 9a8689e27c06..af27429b5083 100644 --- a/compiler/rustc_ast_passes/messages.ftl +++ b/compiler/rustc_ast_passes/messages.ftl @@ -14,6 +14,8 @@ ast_passes_assoc_type_without_body = associated type in `impl` without body .suggestion = provide a definition for the type +ast_passes_precise_capturing_not_allowed_here = `use<...>` precise capturing syntax is not allowed in {$loc} + ast_passes_at_least_one_trait = at least one trait must be specified ast_passes_auto_generic = auto traits cannot have generic parameters diff --git a/compiler/rustc_ast_passes/src/ast_validation.rs b/compiler/rustc_ast_passes/src/ast_validation.rs index 0fbb288cc968..04c06e76e9c2 100644 --- a/compiler/rustc_ast_passes/src/ast_validation.rs +++ b/compiler/rustc_ast_passes/src/ast_validation.rs @@ -751,7 +751,7 @@ impl<'a> AstValidator<'a> { } } } - TyKind::ImplTrait(_, bounds, _) => { + TyKind::ImplTrait(_, bounds) => { if self.is_impl_trait_banned { self.dcx().emit_err(errors::ImplTraitPath { span: ty.span }); } @@ -1304,6 +1304,7 @@ impl<'a> Visitor<'a> for AstValidator<'a> { } } GenericBound::Outlives(_) => {} + GenericBound::Use(..) => {} } } } @@ -1322,95 +1323,110 @@ impl<'a> Visitor<'a> for AstValidator<'a> { } fn visit_param_bound(&mut self, bound: &'a GenericBound, ctxt: BoundKind) { - if let GenericBound::Trait(poly, modifiers) = bound { - match (ctxt, modifiers.constness, modifiers.polarity) { - (BoundKind::SuperTraits, BoundConstness::Never, BoundPolarity::Maybe(_)) => { - self.dcx().emit_err(errors::OptionalTraitSupertrait { - span: poly.span, - path_str: pprust::path_to_string(&poly.trait_ref.path), - }); + match bound { + GenericBound::Trait(trait_ref, modifiers) => { + match (ctxt, modifiers.constness, modifiers.polarity) { + (BoundKind::SuperTraits, BoundConstness::Never, BoundPolarity::Maybe(_)) => { + self.dcx().emit_err(errors::OptionalTraitSupertrait { + span: trait_ref.span, + path_str: pprust::path_to_string(&trait_ref.trait_ref.path), + }); + } + (BoundKind::TraitObject, BoundConstness::Never, BoundPolarity::Maybe(_)) => { + self.dcx().emit_err(errors::OptionalTraitObject { span: trait_ref.span }); + } + ( + BoundKind::TraitObject, + BoundConstness::Always(_), + BoundPolarity::Positive, + ) => { + self.dcx().emit_err(errors::ConstBoundTraitObject { span: trait_ref.span }); + } + (_, BoundConstness::Maybe(span), BoundPolarity::Positive) + if let Some(reason) = &self.disallow_tilde_const => + { + let reason = match reason { + DisallowTildeConstContext::Fn(FnKind::Closure(..)) => { + errors::TildeConstReason::Closure + } + DisallowTildeConstContext::Fn(FnKind::Fn(_, ident, ..)) => { + errors::TildeConstReason::Function { ident: ident.span } + } + &DisallowTildeConstContext::Trait(span) => { + errors::TildeConstReason::Trait { span } + } + &DisallowTildeConstContext::TraitImpl(span) => { + errors::TildeConstReason::TraitImpl { span } + } + &DisallowTildeConstContext::Impl(span) => { + // FIXME(effects): Consider providing a help message or even a structured + // suggestion for moving such bounds to the assoc const fns if available. + errors::TildeConstReason::Impl { span } + } + &DisallowTildeConstContext::TraitAssocTy(span) => { + errors::TildeConstReason::TraitAssocTy { span } + } + &DisallowTildeConstContext::TraitImplAssocTy(span) => { + errors::TildeConstReason::TraitImplAssocTy { span } + } + &DisallowTildeConstContext::InherentAssocTy(span) => { + errors::TildeConstReason::InherentAssocTy { span } + } + DisallowTildeConstContext::TraitObject => { + errors::TildeConstReason::TraitObject + } + DisallowTildeConstContext::Item => errors::TildeConstReason::Item, + }; + self.dcx().emit_err(errors::TildeConstDisallowed { span, reason }); + } + ( + _, + BoundConstness::Always(_) | BoundConstness::Maybe(_), + BoundPolarity::Negative(_) | BoundPolarity::Maybe(_), + ) => { + self.dcx().emit_err(errors::IncompatibleTraitBoundModifiers { + span: bound.span(), + left: modifiers.constness.as_str(), + right: modifiers.polarity.as_str(), + }); + } + _ => {} } - (BoundKind::TraitObject, BoundConstness::Never, BoundPolarity::Maybe(_)) => { - self.dcx().emit_err(errors::OptionalTraitObject { span: poly.span }); - } - (BoundKind::TraitObject, BoundConstness::Always(_), BoundPolarity::Positive) => { - self.dcx().emit_err(errors::ConstBoundTraitObject { span: poly.span }); - } - (_, BoundConstness::Maybe(span), BoundPolarity::Positive) - if let Some(reason) = &self.disallow_tilde_const => - { - let reason = match reason { - DisallowTildeConstContext::Fn(FnKind::Closure(..)) => { - errors::TildeConstReason::Closure - } - DisallowTildeConstContext::Fn(FnKind::Fn(_, ident, ..)) => { - errors::TildeConstReason::Function { ident: ident.span } - } - &DisallowTildeConstContext::Trait(span) => { - errors::TildeConstReason::Trait { span } - } - &DisallowTildeConstContext::TraitImpl(span) => { - errors::TildeConstReason::TraitImpl { span } - } - &DisallowTildeConstContext::Impl(span) => { - // FIXME(effects): Consider providing a help message or even a structured - // suggestion for moving such bounds to the assoc const fns if available. - errors::TildeConstReason::Impl { span } - } - &DisallowTildeConstContext::TraitAssocTy(span) => { - errors::TildeConstReason::TraitAssocTy { span } - } - &DisallowTildeConstContext::TraitImplAssocTy(span) => { - errors::TildeConstReason::TraitImplAssocTy { span } - } - &DisallowTildeConstContext::InherentAssocTy(span) => { - errors::TildeConstReason::InherentAssocTy { span } - } - DisallowTildeConstContext::TraitObject => { - errors::TildeConstReason::TraitObject - } - DisallowTildeConstContext::Item => errors::TildeConstReason::Item, - }; - self.dcx().emit_err(errors::TildeConstDisallowed { span, reason }); - } - ( - _, - BoundConstness::Always(_) | BoundConstness::Maybe(_), - BoundPolarity::Negative(_) | BoundPolarity::Maybe(_), - ) => { - self.dcx().emit_err(errors::IncompatibleTraitBoundModifiers { - span: bound.span(), - left: modifiers.constness.as_str(), - right: modifiers.polarity.as_str(), - }); - } - _ => {} - } - } - // Negative trait bounds are not allowed to have associated constraints - if let GenericBound::Trait(trait_ref, modifiers) = bound - && let BoundPolarity::Negative(_) = modifiers.polarity - && let Some(segment) = trait_ref.trait_ref.path.segments.last() - { - match segment.args.as_deref() { - Some(ast::GenericArgs::AngleBracketed(args)) => { - for arg in &args.args { - if let ast::AngleBracketedArg::Constraint(constraint) = arg { - self.dcx().emit_err(errors::ConstraintOnNegativeBound { - span: constraint.span, + // Negative trait bounds are not allowed to have associated constraints + if let BoundPolarity::Negative(_) = modifiers.polarity + && let Some(segment) = trait_ref.trait_ref.path.segments.last() + { + match segment.args.as_deref() { + Some(ast::GenericArgs::AngleBracketed(args)) => { + for arg in &args.args { + if let ast::AngleBracketedArg::Constraint(constraint) = arg { + self.dcx().emit_err(errors::ConstraintOnNegativeBound { + span: constraint.span, + }); + } + } + } + // The lowered form of parenthesized generic args contains an associated type binding. + Some(ast::GenericArgs::Parenthesized(args)) => { + self.dcx().emit_err(errors::NegativeBoundWithParentheticalNotation { + span: args.span, }); } + None => {} } } - // The lowered form of parenthesized generic args contains an associated type binding. - Some(ast::GenericArgs::Parenthesized(args)) => { - self.dcx().emit_err(errors::NegativeBoundWithParentheticalNotation { - span: args.span, - }); - } - None => {} } + GenericBound::Outlives(_) => {} + GenericBound::Use(_, span) => match ctxt { + BoundKind::Impl => {} + BoundKind::Bound | BoundKind::TraitObject | BoundKind::SuperTraits => { + self.dcx().emit_err(errors::PreciseCapturingNotAllowedHere { + loc: ctxt.descr(), + span: *span, + }) + } + }, } visit::walk_param_bound(self, bound) diff --git a/compiler/rustc_ast_passes/src/errors.rs b/compiler/rustc_ast_passes/src/errors.rs index 260c182bd9e4..cb95b7bce919 100644 --- a/compiler/rustc_ast_passes/src/errors.rs +++ b/compiler/rustc_ast_passes/src/errors.rs @@ -844,3 +844,11 @@ pub struct MatchArmWithNoBody { #[suggestion(code = " => todo!(),", applicability = "has-placeholders")] pub suggestion: Span, } + +#[derive(Diagnostic)] +#[diag(ast_passes_precise_capturing_not_allowed_here)] +pub struct PreciseCapturingNotAllowedHere { + #[primary_span] + pub span: Span, + pub loc: &'static str, +} diff --git a/compiler/rustc_ast_pretty/src/pprust/state.rs b/compiler/rustc_ast_pretty/src/pprust/state.rs index 4eb2a103fd8f..0225c95dca8e 100644 --- a/compiler/rustc_ast_pretty/src/pprust/state.rs +++ b/compiler/rustc_ast_pretty/src/pprust/state.rs @@ -1187,17 +1187,8 @@ impl<'a> State<'a> { } self.print_type_bounds(bounds); } - ast::TyKind::ImplTrait(_, bounds, precise_capturing_args) => { + ast::TyKind::ImplTrait(_, bounds) => { self.word_nbsp("impl"); - if let Some((precise_capturing_args, ..)) = precise_capturing_args.as_deref() { - self.word("use"); - self.word("<"); - self.commasep(Inconsistent, precise_capturing_args, |s, arg| match arg { - ast::PreciseCapturingArg::Arg(p, _) => s.print_path(p, false, 0), - ast::PreciseCapturingArg::Lifetime(lt) => s.print_lifetime(*lt), - }); - self.word(">") - } self.print_type_bounds(bounds); } ast::TyKind::Array(ty, length) => { @@ -1800,6 +1791,15 @@ impl<'a> State<'a> { self.print_poly_trait_ref(tref); } GenericBound::Outlives(lt) => self.print_lifetime(*lt), + GenericBound::Use(args, _) => { + self.word("use"); + self.word("<"); + self.commasep(Inconsistent, args, |s, arg| match arg { + ast::PreciseCapturingArg::Arg(p, _) => s.print_path(p, false, 0), + ast::PreciseCapturingArg::Lifetime(lt) => s.print_lifetime(*lt), + }); + self.word(">") + } } } } diff --git a/compiler/rustc_feature/src/unstable.rs b/compiler/rustc_feature/src/unstable.rs index 58832cb10875..5cb72a2ba385 100644 --- a/compiler/rustc_feature/src/unstable.rs +++ b/compiler/rustc_feature/src/unstable.rs @@ -567,7 +567,7 @@ declare_features! ( (unstable, optimize_attribute, "1.34.0", Some(54882)), /// Allows postfix match `expr.match { ... }` (unstable, postfix_match, "1.79.0", Some(121618)), - /// Allows `use<'a, 'b, A, B>` in `impl use<...> Trait` for precise capture of generic args. + /// Allows `use<'a, 'b, A, B>` in `impl Trait + use<...>` for precise capture of generic args. (incomplete, precise_capturing, "1.79.0", Some(123432)), /// Allows macro attributes on expressions, statements and non-inline modules. (unstable, proc_macro_hygiene, "1.30.0", Some(54727)), diff --git a/compiler/rustc_hir/src/hir.rs b/compiler/rustc_hir/src/hir.rs index d4a22c4c31f6..22a6c06bba32 100644 --- a/compiler/rustc_hir/src/hir.rs +++ b/compiler/rustc_hir/src/hir.rs @@ -463,6 +463,7 @@ pub enum TraitBoundModifier { pub enum GenericBound<'hir> { Trait(PolyTraitRef<'hir>, TraitBoundModifier), Outlives(&'hir Lifetime), + Use(&'hir [PreciseCapturingArg<'hir>], Span), } impl GenericBound<'_> { @@ -477,6 +478,7 @@ impl GenericBound<'_> { match self { GenericBound::Trait(t, ..) => t.span, GenericBound::Outlives(l) => l.ident.span, + GenericBound::Use(_, span) => *span, } } } @@ -2689,8 +2691,6 @@ pub struct OpaqueTy<'hir> { /// originating from a trait method. This makes it so that the opaque is /// lowered as an associated type. pub in_trait: bool, - /// List of arguments captured via `impl use<'a, P, ...> Trait` syntax. - pub precise_capturing_args: Option<(&'hir [PreciseCapturingArg<'hir>], Span)>, } #[derive(Debug, Clone, Copy, HashStable_Generic)] diff --git a/compiler/rustc_hir/src/intravisit.rs b/compiler/rustc_hir/src/intravisit.rs index 5a16f266dab3..065ecc5d7b7b 100644 --- a/compiler/rustc_hir/src/intravisit.rs +++ b/compiler/rustc_hir/src/intravisit.rs @@ -532,15 +532,10 @@ pub fn walk_item<'v, V: Visitor<'v>>(visitor: &mut V, item: &'v Item<'v>) -> V:: try_visit!(visitor.visit_ty(ty)); try_visit!(visitor.visit_generics(generics)); } - ItemKind::OpaqueTy(&OpaqueTy { generics, bounds, precise_capturing_args, .. }) => { + ItemKind::OpaqueTy(&OpaqueTy { generics, bounds, .. }) => { try_visit!(visitor.visit_id(item.hir_id())); try_visit!(walk_generics(visitor, generics)); walk_list!(visitor, visit_param_bound, bounds); - if let Some((precise_capturing_args, _)) = precise_capturing_args { - for arg in precise_capturing_args { - try_visit!(visitor.visit_precise_capturing_arg(arg)); - } - } } ItemKind::Enum(ref enum_definition, ref generics) => { try_visit!(visitor.visit_generics(generics)); @@ -1147,6 +1142,10 @@ pub fn walk_param_bound<'v, V: Visitor<'v>>( match *bound { GenericBound::Trait(ref typ, _modifier) => visitor.visit_poly_trait_ref(typ), GenericBound::Outlives(ref lifetime) => visitor.visit_lifetime(lifetime), + GenericBound::Use(args, _) => { + walk_list!(visitor, visit_precise_capturing_arg, args); + V::Result::output() + } } } diff --git a/compiler/rustc_hir_analysis/src/check/check.rs b/compiler/rustc_hir_analysis/src/check/check.rs index 72e5995e892e..3b53c253195f 100644 --- a/compiler/rustc_hir_analysis/src/check/check.rs +++ b/compiler/rustc_hir_analysis/src/check/check.rs @@ -481,9 +481,12 @@ fn sanity_check_found_hidden_type<'tcx>( /// 2. Checking that all lifetimes that are implicitly captured are mentioned. /// 3. Asserting that all parameters mentioned in the captures list are invariant. fn check_opaque_precise_captures<'tcx>(tcx: TyCtxt<'tcx>, opaque_def_id: LocalDefId) { - let hir::OpaqueTy { precise_capturing_args, .. } = + let hir::OpaqueTy { bounds, .. } = *tcx.hir_node_by_def_id(opaque_def_id).expect_item().expect_opaque_ty(); - let Some((precise_capturing_args, _)) = precise_capturing_args else { + let Some(precise_capturing_args) = bounds.iter().find_map(|bound| match *bound { + hir::GenericBound::Use(bounds, ..) => Some(bounds), + _ => None, + }) else { // No precise capturing args; nothing to validate return; }; diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/bounds.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/bounds.rs index 9a6bc8a7b721..c7699b0b310f 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/bounds.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/bounds.rs @@ -178,6 +178,9 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { lifetime.ident.span, ); } + hir::GenericBound::Use(..) => { + // We don't actually lower `use` into the type layer. + } } } } diff --git a/compiler/rustc_hir_pretty/src/lib.rs b/compiler/rustc_hir_pretty/src/lib.rs index d32d0183c4e4..b21f1eadfb7a 100644 --- a/compiler/rustc_hir_pretty/src/lib.rs +++ b/compiler/rustc_hir_pretty/src/lib.rs @@ -13,7 +13,7 @@ use rustc_ast_pretty::pprust::{Comments, PrintState}; use rustc_hir as hir; use rustc_hir::{ BindingMode, ByRef, GenericArg, GenericBound, GenericParam, GenericParamKind, HirId, - LifetimeParamKind, Node, PatKind, RangeEnd, Term, TraitBoundModifier, + LifetimeParamKind, Node, PatKind, PreciseCapturingArg, RangeEnd, Term, TraitBoundModifier, }; use rustc_span::source_map::SourceMap; use rustc_span::symbol::{kw, Ident, Symbol}; @@ -2100,10 +2100,24 @@ impl<'a> State<'a> { GenericBound::Outlives(lt) => { self.print_lifetime(lt); } + GenericBound::Use(args, _) => { + self.word("use <"); + + self.commasep(Inconsistent, args, |s, arg| s.print_precise_capturing_arg(*arg)); + + self.word(">"); + } } } } + fn print_precise_capturing_arg(&mut self, arg: PreciseCapturingArg<'_>) { + match arg { + PreciseCapturingArg::Lifetime(lt) => self.print_lifetime(lt), + PreciseCapturingArg::Param(arg) => self.print_ident(arg.ident), + } + } + fn print_generic_params(&mut self, generic_params: &[GenericParam<'_>]) { if !generic_params.is_empty() { self.word("<"); diff --git a/compiler/rustc_lint/src/impl_trait_overcaptures.rs b/compiler/rustc_lint/src/impl_trait_overcaptures.rs index a311c274a6ba..d4f6d388d9fe 100644 --- a/compiler/rustc_lint/src/impl_trait_overcaptures.rs +++ b/compiler/rustc_lint/src/impl_trait_overcaptures.rs @@ -11,7 +11,7 @@ use rustc_middle::ty::{ self, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable, TypeVisitableExt, TypeVisitor, }; use rustc_session::{declare_lint, declare_lint_pass}; -use rustc_span::{sym, BytePos, Span}; +use rustc_span::{sym, Span}; use crate::fluent_generated as fluent; use crate::{LateContext, LateLintPass}; @@ -53,7 +53,7 @@ declare_lint! { /// while the `impl Display` is live. /// /// To fix this, we can explicitly state that the `impl Display` doesn't - /// capture any lifetimes, using `impl use<> Display`. + /// capture any lifetimes, using `impl Display + use<>`. pub IMPL_TRAIT_OVERCAPTURES, Allow, "`impl Trait` will capture more lifetimes than possibly intended in edition 2024", @@ -79,7 +79,7 @@ declare_lint! { /// # #![feature(precise_capturing, lifetime_capture_rules_2024)] /// # #![allow(incomplete_features)] /// # #![deny(impl_trait_redundant_captures)] - /// fn test<'a>(x: &'a i32) -> impl use<'a> Sized { x } + /// fn test<'a>(x: &'a i32) -> impl Sized + use<'a> { x } /// ``` /// /// {{produces}} @@ -249,7 +249,7 @@ impl<'tcx> TypeVisitor> for VisitOpaqueTypes<'tcx> { // If we have uncaptured args, and if the opaque doesn't already have // `use<>` syntax on it, and we're < edition 2024, then warn the user. if !new_capture_rules - && opaque.precise_capturing_args.is_none() + && !opaque.bounds.iter().any(|bound| matches!(bound, hir::GenericBound::Use(..))) && !uncaptured_spans.is_empty() { let suggestion = if let Ok(snippet) = @@ -268,8 +268,8 @@ impl<'tcx> TypeVisitor> for VisitOpaqueTypes<'tcx> { // Make sure that we're not trying to name any APITs if generics.iter().all(|name| !name.starts_with("impl ")) { Some(( - format!(" use<{}>", generics.join(", ")), - opaque_span.with_lo(opaque_span.lo() + BytePos(4)).shrink_to_lo(), + format!(" + use<{}>", generics.join(", ")), + opaque_span.shrink_to_hi(), )) } else { None @@ -294,7 +294,11 @@ impl<'tcx> TypeVisitor> for VisitOpaqueTypes<'tcx> { // have no uncaptured args, then we should warn to the user that // it's redundant to capture all args explicitly. else if new_capture_rules - && let Some((captured_args, capturing_span)) = opaque.precise_capturing_args + && let Some((captured_args, capturing_span)) = + opaque.bounds.iter().find_map(|bound| match *bound { + hir::GenericBound::Use(a, s) => Some((a, s)), + _ => None, + }) { let mut explicitly_captured = UnordSet::default(); for arg in captured_args { diff --git a/compiler/rustc_lint/src/unused.rs b/compiler/rustc_lint/src/unused.rs index 7a1aa4043be0..195a0f72475f 100644 --- a/compiler/rustc_lint/src/unused.rs +++ b/compiler/rustc_lint/src/unused.rs @@ -1268,7 +1268,7 @@ impl EarlyLintPass for UnusedParens { ast::TyKind::TraitObject(..) => {} ast::TyKind::BareFn(b) if self.with_self_ty_parens && b.generic_params.len() > 0 => {} - ast::TyKind::ImplTrait(_, bounds, _) if bounds.len() > 1 => {} + ast::TyKind::ImplTrait(_, bounds) if bounds.len() > 1 => {} _ => { let spans = if !ty.span.from_expansion() { r.span diff --git a/compiler/rustc_parse/src/parser/generics.rs b/compiler/rustc_parse/src/parser/generics.rs index 93a15c938ecf..fde16ac957df 100644 --- a/compiler/rustc_parse/src/parser/generics.rs +++ b/compiler/rustc_parse/src/parser/generics.rs @@ -62,7 +62,7 @@ impl<'a> Parser<'a> { let snapshot = self.create_snapshot_for_diagnostic(); match self.parse_ty() { Ok(p) => { - if let TyKind::ImplTrait(_, bounds, None) = &p.kind { + if let TyKind::ImplTrait(_, bounds) = &p.kind { let span = impl_span.to(self.token.span.shrink_to_lo()); let mut err = self.dcx().struct_span_err( span, diff --git a/compiler/rustc_parse/src/parser/item.rs b/compiler/rustc_parse/src/parser/item.rs index 3f5a4afdad8a..3d2eee247b87 100644 --- a/compiler/rustc_parse/src/parser/item.rs +++ b/compiler/rustc_parse/src/parser/item.rs @@ -633,7 +633,7 @@ impl<'a> Parser<'a> { // This notably includes paths passed through `ty` macro fragments (#46438). TyKind::Path(None, path) => path, other => { - if let TyKind::ImplTrait(_, bounds, None) = other + if let TyKind::ImplTrait(_, bounds) = other && let [bound] = bounds.as_slice() { // Suggest removing extra `impl` keyword: diff --git a/compiler/rustc_parse/src/parser/ty.rs b/compiler/rustc_parse/src/parser/ty.rs index bdb08709f276..fcd623b477f5 100644 --- a/compiler/rustc_parse/src/parser/ty.rs +++ b/compiler/rustc_parse/src/parser/ty.rs @@ -316,7 +316,7 @@ impl<'a> Parser<'a> { TyKind::TraitObject(bounds, TraitObjectSyntax::Dyn) } (TyKind::TraitObject(bounds, _), kw::Impl) => { - TyKind::ImplTrait(ast::DUMMY_NODE_ID, bounds, None) + TyKind::ImplTrait(ast::DUMMY_NODE_ID, bounds) } _ => return Err(err), }; @@ -670,24 +670,12 @@ impl<'a> Parser<'a> { }) } - // parse precise captures, if any. This is `use<'lt, 'lt, P, P>`; a list of - // lifetimes and ident params (including SelfUpper). These are validated later - // for order, duplication, and whether they actually reference params. - let precise_capturing = if self.eat_keyword(kw::Use) { - let use_span = self.prev_token.span; - self.psess.gated_spans.gate(sym::precise_capturing, use_span); - let (args, args_span) = self.parse_precise_capturing_args()?; - Some(P((args, use_span.to(args_span)))) - } else { - None - }; - // Always parse bounds greedily for better error recovery. let bounds = self.parse_generic_bounds()?; *impl_dyn_multi = bounds.len() > 1 || self.prev_token.kind == TokenKind::BinOp(token::Plus); - Ok(TyKind::ImplTrait(ast::DUMMY_NODE_ID, bounds, precise_capturing)) + Ok(TyKind::ImplTrait(ast::DUMMY_NODE_ID, bounds)) } fn parse_precise_capturing_args( @@ -834,6 +822,7 @@ impl<'a> Parser<'a> { || self.check(&token::OpenDelim(Delimiter::Parenthesis)) || self.check_keyword(kw::Const) || self.check_keyword(kw::Async) + || self.check_keyword(kw::Use) } /// Parses a bound according to the grammar: @@ -850,6 +839,14 @@ impl<'a> Parser<'a> { let bound = if self.token.is_lifetime() { self.error_lt_bound_with_modifiers(modifiers); self.parse_generic_lt_bound(lo, inner_lo, has_parens)? + } else if self.eat_keyword(kw::Use) { + // parse precise captures, if any. This is `use<'lt, 'lt, P, P>`; a list of + // lifetimes and ident params (including SelfUpper). These are validated later + // for order, duplication, and whether they actually reference params. + let use_span = self.prev_token.span; + self.psess.gated_spans.gate(sym::precise_capturing, use_span); + let (args, args_span) = self.parse_precise_capturing_args()?; + GenericBound::Use(args, use_span.to(args_span)) } else { self.parse_generic_ty_bound(lo, has_parens, modifiers, &leading_token)? }; @@ -1009,7 +1006,7 @@ impl<'a> Parser<'a> { Applicability::MaybeIncorrect, ) } - TyKind::ImplTrait(_, bounds, None) + TyKind::ImplTrait(_, bounds) if let [GenericBound::Trait(tr, ..), ..] = bounds.as_slice() => { ( diff --git a/compiler/rustc_passes/src/hir_stats.rs b/compiler/rustc_passes/src/hir_stats.rs index d49298781a23..0ba61f8e8b40 100644 --- a/compiler/rustc_passes/src/hir_stats.rs +++ b/compiler/rustc_passes/src/hir_stats.rs @@ -429,7 +429,7 @@ impl<'v> hir_visit::Visitor<'v> for StatCollector<'v> { fn visit_param_bound(&mut self, b: &'v hir::GenericBound<'v>) { record_variants!( (self, b, b, Id::None, hir, GenericBound, GenericBound), - [Trait, Outlives] + [Trait, Outlives, Use] ); hir_visit::walk_param_bound(self, b) } @@ -659,7 +659,7 @@ impl<'v> ast_visit::Visitor<'v> for StatCollector<'v> { fn visit_param_bound(&mut self, b: &'v ast::GenericBound, _ctxt: BoundKind) { record_variants!( (self, b, b, Id::None, ast, GenericBound, GenericBound), - [Trait, Outlives] + [Trait, Outlives, Use] ); ast_visit::walk_param_bound(self, b) } diff --git a/compiler/rustc_resolve/src/late.rs b/compiler/rustc_resolve/src/late.rs index c1e83c59f98c..5ab6ba23a7da 100644 --- a/compiler/rustc_resolve/src/late.rs +++ b/compiler/rustc_resolve/src/late.rs @@ -799,7 +799,7 @@ impl<'a: 'ast, 'ast, 'tcx> Visitor<'ast> for LateResolutionVisitor<'a, '_, 'ast, self.r.record_partial_res(ty.id, PartialRes::new(res)); visit::walk_ty(self, ty) } - TyKind::ImplTrait(node_id, _, _) => { + TyKind::ImplTrait(node_id, _) => { let candidates = self.lifetime_elision_candidates.take(); visit::walk_ty(self, ty); self.record_lifetime_params_for_impl_trait(*node_id); diff --git a/compiler/rustc_resolve/src/late/diagnostics.rs b/compiler/rustc_resolve/src/late/diagnostics.rs index be24755d4c5a..75a1aff4fc51 100644 --- a/compiler/rustc_resolve/src/late/diagnostics.rs +++ b/compiler/rustc_resolve/src/late/diagnostics.rs @@ -829,7 +829,7 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { auto-traits; structs and enums can't be bound in that way", ); if bounds.iter().all(|bound| match bound { - ast::GenericBound::Outlives(_) => true, + ast::GenericBound::Outlives(_) | ast::GenericBound::Use(..) => true, ast::GenericBound::Trait(tr, _) => tr.span == base_error.span, }) { let mut sugg = vec![]; @@ -3210,7 +3210,7 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { .inputs .iter() .filter_map(|param| match ¶m.ty.kind { - TyKind::ImplTrait(_, bounds, _) => Some(bounds), + TyKind::ImplTrait(_, bounds) => Some(bounds), _ => None, }) .flat_map(|bounds| bounds.into_iter()) diff --git a/src/tools/clippy/clippy_lints/src/needless_maybe_sized.rs b/src/tools/clippy/clippy_lints/src/needless_maybe_sized.rs index 06ae1723a03d..4922c87b206c 100644 --- a/src/tools/clippy/clippy_lints/src/needless_maybe_sized.rs +++ b/src/tools/clippy/clippy_lints/src/needless_maybe_sized.rs @@ -73,7 +73,7 @@ fn type_param_bounds<'tcx>(generics: &'tcx Generics<'tcx>) -> impl Iterator None, + GenericBound::Outlives(_) | GenericBound::Use(..) => None, }) .filter(|bound| !bound.trait_bound.span.from_expansion()), ) diff --git a/tests/ui/feature-gates/feature-gate-precise-capturing.rs b/tests/ui/feature-gates/feature-gate-precise-capturing.rs index 0c3b49776230..47a21539d377 100644 --- a/tests/ui/feature-gates/feature-gate-precise-capturing.rs +++ b/tests/ui/feature-gates/feature-gate-precise-capturing.rs @@ -1,4 +1,4 @@ -fn hello() -> impl use<> Sized {} +fn hello() -> impl Sized + use<> {} //~^ ERROR precise captures on `impl Trait` are experimental fn main() {} diff --git a/tests/ui/feature-gates/feature-gate-precise-capturing.stderr b/tests/ui/feature-gates/feature-gate-precise-capturing.stderr index 102b39148f9f..04365408880d 100644 --- a/tests/ui/feature-gates/feature-gate-precise-capturing.stderr +++ b/tests/ui/feature-gates/feature-gate-precise-capturing.stderr @@ -1,8 +1,8 @@ error[E0658]: precise captures on `impl Trait` are experimental - --> $DIR/feature-gate-precise-capturing.rs:1:20 + --> $DIR/feature-gate-precise-capturing.rs:1:28 | -LL | fn hello() -> impl use<> Sized {} - | ^^^ +LL | fn hello() -> impl Sized + use<> {} + | ^^^ | = note: see issue #123432 for more information = help: add `#![feature(precise_capturing)]` to the crate attributes to enable diff --git a/tests/ui/impl-trait/precise-capturing/apit.rs b/tests/ui/impl-trait/precise-capturing/apit.rs index efcac9ebb0b8..98e7da4e34a5 100644 --- a/tests/ui/impl-trait/precise-capturing/apit.rs +++ b/tests/ui/impl-trait/precise-capturing/apit.rs @@ -1,7 +1,7 @@ #![feature(precise_capturing)] //~^ WARN the feature `precise_capturing` is incomplete -fn hello(_: impl use<> Sized) {} +fn hello(_: impl Sized + use<>) {} //~^ ERROR `use<...>` precise capturing syntax not allowed on argument-position `impl Trait` fn main() {} diff --git a/tests/ui/impl-trait/precise-capturing/apit.stderr b/tests/ui/impl-trait/precise-capturing/apit.stderr index 96548f5732f5..b676ed260cb7 100644 --- a/tests/ui/impl-trait/precise-capturing/apit.stderr +++ b/tests/ui/impl-trait/precise-capturing/apit.stderr @@ -8,10 +8,10 @@ LL | #![feature(precise_capturing)] = note: `#[warn(incomplete_features)]` on by default error: `use<...>` precise capturing syntax not allowed on argument-position `impl Trait` - --> $DIR/apit.rs:4:18 + --> $DIR/apit.rs:4:26 | -LL | fn hello(_: impl use<> Sized) {} - | ^^^^^ +LL | fn hello(_: impl Sized + use<>) {} + | ^^^^^ error: aborting due to 1 previous error; 1 warning emitted diff --git a/tests/ui/impl-trait/precise-capturing/bad-lifetimes.rs b/tests/ui/impl-trait/precise-capturing/bad-lifetimes.rs index 623063a8f502..d9ea20b1e30a 100644 --- a/tests/ui/impl-trait/precise-capturing/bad-lifetimes.rs +++ b/tests/ui/impl-trait/precise-capturing/bad-lifetimes.rs @@ -1,14 +1,14 @@ #![feature(precise_capturing)] //~^ WARN the feature `precise_capturing` is incomplete -fn no_elided_lt() -> impl use<'_> Sized {} +fn no_elided_lt() -> impl Sized + use<'_> {} //~^ ERROR missing lifetime specifier //~| ERROR expected lifetime parameter in `use<...>` precise captures list, found `'_` -fn static_lt() -> impl use<'static> Sized {} +fn static_lt() -> impl Sized + use<'static> {} //~^ ERROR expected lifetime parameter in `use<...>` precise captures list, found `'static` -fn missing_lt() -> impl use<'missing> Sized {} +fn missing_lt() -> impl Sized + use<'missing> {} //~^ ERROR use of undeclared lifetime name `'missing` fn main() {} diff --git a/tests/ui/impl-trait/precise-capturing/bad-lifetimes.stderr b/tests/ui/impl-trait/precise-capturing/bad-lifetimes.stderr index a926362c50c8..ac8ec34e341e 100644 --- a/tests/ui/impl-trait/precise-capturing/bad-lifetimes.stderr +++ b/tests/ui/impl-trait/precise-capturing/bad-lifetimes.stderr @@ -1,20 +1,20 @@ error[E0106]: missing lifetime specifier - --> $DIR/bad-lifetimes.rs:4:31 + --> $DIR/bad-lifetimes.rs:4:39 | -LL | fn no_elided_lt() -> impl use<'_> Sized {} - | ^^ expected named lifetime parameter +LL | fn no_elided_lt() -> impl Sized + use<'_> {} + | ^^ expected named lifetime parameter | = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from help: consider using the `'static` lifetime, but this is uncommon unless you're returning a borrowed value from a `const` or a `static`, or if you will only have owned values | -LL | fn no_elided_lt() -> impl use<'static> Sized {} - | ~~~~~~~ +LL | fn no_elided_lt() -> impl Sized + use<'static> {} + | ~~~~~~~ error[E0261]: use of undeclared lifetime name `'missing` - --> $DIR/bad-lifetimes.rs:11:29 + --> $DIR/bad-lifetimes.rs:11:37 | -LL | fn missing_lt() -> impl use<'missing> Sized {} - | - ^^^^^^^^ undeclared lifetime +LL | fn missing_lt() -> impl Sized + use<'missing> {} + | - ^^^^^^^^ undeclared lifetime | | | help: consider introducing lifetime `'missing` here: `<'missing>` @@ -28,16 +28,16 @@ LL | #![feature(precise_capturing)] = note: `#[warn(incomplete_features)]` on by default error: expected lifetime parameter in `use<...>` precise captures list, found `'_` - --> $DIR/bad-lifetimes.rs:4:31 + --> $DIR/bad-lifetimes.rs:4:39 | -LL | fn no_elided_lt() -> impl use<'_> Sized {} - | ^^ +LL | fn no_elided_lt() -> impl Sized + use<'_> {} + | ^^ error: expected lifetime parameter in `use<...>` precise captures list, found `'static` - --> $DIR/bad-lifetimes.rs:8:28 + --> $DIR/bad-lifetimes.rs:8:36 | -LL | fn static_lt() -> impl use<'static> Sized {} - | ^^^^^^^ +LL | fn static_lt() -> impl Sized + use<'static> {} + | ^^^^^^^ error: aborting due to 4 previous errors; 1 warning emitted diff --git a/tests/ui/impl-trait/precise-capturing/bad-params.rs b/tests/ui/impl-trait/precise-capturing/bad-params.rs index 7970d49bf7c0..4d9392f76f24 100644 --- a/tests/ui/impl-trait/precise-capturing/bad-params.rs +++ b/tests/ui/impl-trait/precise-capturing/bad-params.rs @@ -1,19 +1,19 @@ #![feature(precise_capturing)] //~^ WARN the feature `precise_capturing` is incomplete -fn missing() -> impl use Sized {} +fn missing() -> impl Sized + use {} //~^ ERROR cannot find type `T` in this scope -fn missing_self() -> impl use Sized {} +fn missing_self() -> impl Sized + use {} //~^ ERROR cannot find type `Self` in this scope struct MyType; impl MyType { - fn self_is_not_param() -> impl use Sized {} + fn self_is_not_param() -> impl Sized + use {} //~^ ERROR `Self` can't be captured in `use<...>` precise captures list, since it is an alias } -fn hello() -> impl use Sized {} +fn hello() -> impl Sized + use {} //~^ ERROR expected type or const parameter in `use<...>` precise captures list, found function fn main() {} diff --git a/tests/ui/impl-trait/precise-capturing/bad-params.stderr b/tests/ui/impl-trait/precise-capturing/bad-params.stderr index 27bf05302f9b..309a8128fe4e 100644 --- a/tests/ui/impl-trait/precise-capturing/bad-params.stderr +++ b/tests/ui/impl-trait/precise-capturing/bad-params.stderr @@ -1,19 +1,19 @@ error[E0412]: cannot find type `T` in this scope - --> $DIR/bad-params.rs:4:26 + --> $DIR/bad-params.rs:4:34 | -LL | fn missing() -> impl use Sized {} - | ^ not found in this scope +LL | fn missing() -> impl Sized + use {} + | ^ not found in this scope | help: you might be missing a type parameter | -LL | fn missing() -> impl use Sized {} +LL | fn missing() -> impl Sized + use {} | +++ error[E0411]: cannot find type `Self` in this scope - --> $DIR/bad-params.rs:7:31 + --> $DIR/bad-params.rs:7:39 | -LL | fn missing_self() -> impl use Sized {} - | ------------ ^^^^ `Self` is only available in impls, traits, and type definitions +LL | fn missing_self() -> impl Sized + use {} + | ------------ ^^^^ `Self` is only available in impls, traits, and type definitions | | | `Self` not allowed in a function @@ -27,18 +27,18 @@ LL | #![feature(precise_capturing)] = note: `#[warn(incomplete_features)]` on by default error: `Self` can't be captured in `use<...>` precise captures list, since it is an alias - --> $DIR/bad-params.rs:12:40 + --> $DIR/bad-params.rs:12:48 | LL | impl MyType { | ----------- `Self` is not a generic argument, but an alias to the type of the implementation -LL | fn self_is_not_param() -> impl use Sized {} - | ^^^^ +LL | fn self_is_not_param() -> impl Sized + use {} + | ^^^^ error: expected type or const parameter in `use<...>` precise captures list, found function - --> $DIR/bad-params.rs:16:24 + --> $DIR/bad-params.rs:16:32 | -LL | fn hello() -> impl use Sized {} - | ^^^^^ +LL | fn hello() -> impl Sized + use {} + | ^^^^^ error: aborting due to 4 previous errors; 1 warning emitted diff --git a/tests/ui/impl-trait/precise-capturing/capture-parent-arg.rs b/tests/ui/impl-trait/precise-capturing/capture-parent-arg.rs index 35b28d0e6fb5..f4acc4db269d 100644 --- a/tests/ui/impl-trait/precise-capturing/capture-parent-arg.rs +++ b/tests/ui/impl-trait/precise-capturing/capture-parent-arg.rs @@ -13,25 +13,25 @@ impl Tr for W<'_> { // The normal way of capturing `'a`... impl<'a> W<'a> { - fn good1() -> impl use<'a> Into< as Tr>::Assoc> {} + fn good1() -> impl Into< as Tr>::Assoc> + use<'a> {} } // This ensures that we don't error when we capture the *parent* copy of `'a`, // since the opaque captures that rather than the duplicated `'a` lifetime // synthesized from mentioning `'a` directly in the bounds. impl<'a> W<'a> { - fn good2() -> impl use<'a> Into<::Assoc> {} + fn good2() -> impl Into<::Assoc> + use<'a> {} } // The normal way of capturing `'a`... but not mentioned in the bounds. impl<'a> W<'a> { - fn bad1() -> impl use<> Into< as Tr>::Assoc> {} + fn bad1() -> impl Into< as Tr>::Assoc> + use<> {} //~^ ERROR `impl Trait` captures lifetime parameter, but it is not mentioned in `use<...>` precise captures list } // But also make sure that we error here... impl<'a> W<'a> { - fn bad2() -> impl use<> Into<::Assoc> {} + fn bad2() -> impl Into<::Assoc> + use<> {} //~^ ERROR `impl Trait` captures lifetime parameter, but it is not mentioned in `use<...>` precise captures list } diff --git a/tests/ui/impl-trait/precise-capturing/capture-parent-arg.stderr b/tests/ui/impl-trait/precise-capturing/capture-parent-arg.stderr index 13aaa9997073..447f74dca2bb 100644 --- a/tests/ui/impl-trait/precise-capturing/capture-parent-arg.stderr +++ b/tests/ui/impl-trait/precise-capturing/capture-parent-arg.stderr @@ -8,20 +8,20 @@ LL | #![feature(precise_capturing)] = note: `#[warn(incomplete_features)]` on by default error: `impl Trait` captures lifetime parameter, but it is not mentioned in `use<...>` precise captures list - --> $DIR/capture-parent-arg.rs:28:37 + --> $DIR/capture-parent-arg.rs:28:31 | LL | impl<'a> W<'a> { | -- this lifetime parameter is captured -LL | fn bad1() -> impl use<> Into< as Tr>::Assoc> {} - | -------------------^^---------------- lifetime captured due to being mentioned in the bounds of the `impl Trait` +LL | fn bad1() -> impl Into< as Tr>::Assoc> + use<> {} + | -------------^^------------------------ lifetime captured due to being mentioned in the bounds of the `impl Trait` error: `impl Trait` captures lifetime parameter, but it is not mentioned in `use<...>` precise captures list --> $DIR/capture-parent-arg.rs:34:18 | LL | impl<'a> W<'a> { | -- this lifetime parameter is captured -LL | fn bad2() -> impl use<> Into<::Assoc> {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ lifetime captured due to being mentioned in the bounds of the `impl Trait` +LL | fn bad2() -> impl Into<::Assoc> + use<> {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ lifetime captured due to being mentioned in the bounds of the `impl Trait` error: aborting due to 2 previous errors; 1 warning emitted diff --git a/tests/ui/impl-trait/precise-capturing/elided.rs b/tests/ui/impl-trait/precise-capturing/elided.rs index de80e8a5d581..71e269e03a3b 100644 --- a/tests/ui/impl-trait/precise-capturing/elided.rs +++ b/tests/ui/impl-trait/precise-capturing/elided.rs @@ -3,6 +3,6 @@ #![feature(precise_capturing)] //~^ WARN the feature `precise_capturing` is incomplete -fn elided(x: &()) -> impl use<'_> Sized { x } +fn elided(x: &()) -> impl Sized + use<'_> { x } fn main() {} diff --git a/tests/ui/impl-trait/precise-capturing/forgot-to-capture-const.rs b/tests/ui/impl-trait/precise-capturing/forgot-to-capture-const.rs index 1b604e6c358b..49466585c52d 100644 --- a/tests/ui/impl-trait/precise-capturing/forgot-to-capture-const.rs +++ b/tests/ui/impl-trait/precise-capturing/forgot-to-capture-const.rs @@ -1,7 +1,7 @@ #![feature(precise_capturing)] //~^ WARN the feature `precise_capturing` is incomplete -fn constant() -> impl use<> Sized {} +fn constant() -> impl Sized + use<> {} //~^ ERROR `impl Trait` must mention all const parameters in scope fn main() {} diff --git a/tests/ui/impl-trait/precise-capturing/forgot-to-capture-const.stderr b/tests/ui/impl-trait/precise-capturing/forgot-to-capture-const.stderr index 3f78e7c56b6e..ce27f79a9d68 100644 --- a/tests/ui/impl-trait/precise-capturing/forgot-to-capture-const.stderr +++ b/tests/ui/impl-trait/precise-capturing/forgot-to-capture-const.stderr @@ -10,8 +10,8 @@ LL | #![feature(precise_capturing)] error: `impl Trait` must mention all const parameters in scope in `use<...>` --> $DIR/forgot-to-capture-const.rs:4:34 | -LL | fn constant() -> impl use<> Sized {} - | -------------- ^^^^^^^^^^^^^^^^ +LL | fn constant() -> impl Sized + use<> {} + | -------------- ^^^^^^^^^^^^^^^^^^ | | | const parameter is implicitly captured by this `impl Trait` | diff --git a/tests/ui/impl-trait/precise-capturing/forgot-to-capture-lifetime.rs b/tests/ui/impl-trait/precise-capturing/forgot-to-capture-lifetime.rs index cc86bf83107e..9af36817847c 100644 --- a/tests/ui/impl-trait/precise-capturing/forgot-to-capture-lifetime.rs +++ b/tests/ui/impl-trait/precise-capturing/forgot-to-capture-lifetime.rs @@ -1,10 +1,10 @@ #![feature(precise_capturing)] //~^ WARN the feature `precise_capturing` is incomplete -fn lifetime_in_bounds<'a>(x: &'a ()) -> impl use<> Into<&'a ()> { x } +fn lifetime_in_bounds<'a>(x: &'a ()) -> impl Into<&'a ()> + use<> { x } //~^ ERROR `impl Trait` captures lifetime parameter, but it is not mentioned in `use<...>` precise captures list -fn lifetime_in_hidden<'a>(x: &'a ()) -> impl use<> Sized { x } +fn lifetime_in_hidden<'a>(x: &'a ()) -> impl Sized + use<> { x } //~^ ERROR hidden type for `impl Sized` captures lifetime that does not appear in bounds fn main() {} diff --git a/tests/ui/impl-trait/precise-capturing/forgot-to-capture-lifetime.stderr b/tests/ui/impl-trait/precise-capturing/forgot-to-capture-lifetime.stderr index e472c898050a..c884b6b0d91f 100644 --- a/tests/ui/impl-trait/precise-capturing/forgot-to-capture-lifetime.stderr +++ b/tests/ui/impl-trait/precise-capturing/forgot-to-capture-lifetime.stderr @@ -8,27 +8,27 @@ LL | #![feature(precise_capturing)] = note: `#[warn(incomplete_features)]` on by default error: `impl Trait` captures lifetime parameter, but it is not mentioned in `use<...>` precise captures list - --> $DIR/forgot-to-capture-lifetime.rs:4:58 + --> $DIR/forgot-to-capture-lifetime.rs:4:52 | -LL | fn lifetime_in_bounds<'a>(x: &'a ()) -> impl use<> Into<&'a ()> { x } - | -- -----------------^^---- +LL | fn lifetime_in_bounds<'a>(x: &'a ()) -> impl Into<&'a ()> + use<> { x } + | -- -----------^^------------ | | | | | lifetime captured due to being mentioned in the bounds of the `impl Trait` | this lifetime parameter is captured error[E0700]: hidden type for `impl Sized` captures lifetime that does not appear in bounds - --> $DIR/forgot-to-capture-lifetime.rs:7:60 + --> $DIR/forgot-to-capture-lifetime.rs:7:62 | -LL | fn lifetime_in_hidden<'a>(x: &'a ()) -> impl use<> Sized { x } - | -- ---------------- ^ +LL | fn lifetime_in_hidden<'a>(x: &'a ()) -> impl Sized + use<> { x } + | -- ------------------ ^ | | | | | opaque type defined here | hidden type `&'a ()` captures the lifetime `'a` as defined here | help: to declare that `impl Sized` captures `'a`, you can add an explicit `'a` lifetime bound | -LL | fn lifetime_in_hidden<'a>(x: &'a ()) -> impl use<> Sized + 'a { x } - | ++++ +LL | fn lifetime_in_hidden<'a>(x: &'a ()) -> impl Sized + use<> + 'a { x } + | ++++ error: aborting due to 2 previous errors; 1 warning emitted diff --git a/tests/ui/impl-trait/precise-capturing/forgot-to-capture-type.rs b/tests/ui/impl-trait/precise-capturing/forgot-to-capture-type.rs index d359ea5e26df..bfb0745805a5 100644 --- a/tests/ui/impl-trait/precise-capturing/forgot-to-capture-type.rs +++ b/tests/ui/impl-trait/precise-capturing/forgot-to-capture-type.rs @@ -1,11 +1,11 @@ #![feature(precise_capturing)] //~^ WARN the feature `precise_capturing` is incomplete -fn type_param() -> impl use<> Sized {} +fn type_param() -> impl Sized + use<> {} //~^ ERROR `impl Trait` must mention all type parameters in scope trait Foo { - fn bar() -> impl use<> Sized; + fn bar() -> impl Sized + use<>; //~^ ERROR `impl Trait` must mention the `Self` type of the trait } diff --git a/tests/ui/impl-trait/precise-capturing/forgot-to-capture-type.stderr b/tests/ui/impl-trait/precise-capturing/forgot-to-capture-type.stderr index 26994d0bdbf1..91e7e79564d8 100644 --- a/tests/ui/impl-trait/precise-capturing/forgot-to-capture-type.stderr +++ b/tests/ui/impl-trait/precise-capturing/forgot-to-capture-type.stderr @@ -10,8 +10,8 @@ LL | #![feature(precise_capturing)] error: `impl Trait` must mention all type parameters in scope in `use<...>` --> $DIR/forgot-to-capture-type.rs:4:23 | -LL | fn type_param() -> impl use<> Sized {} - | - ^^^^^^^^^^^^^^^^ +LL | fn type_param() -> impl Sized + use<> {} + | - ^^^^^^^^^^^^^^^^^^ | | | type parameter is implicitly captured by this `impl Trait` | @@ -22,8 +22,8 @@ error: `impl Trait` must mention the `Self` type of the trait in `use<...>` | LL | trait Foo { | --------- `Self` type parameter is implicitly captured by this `impl Trait` -LL | fn bar() -> impl use<> Sized; - | ^^^^^^^^^^^^^^^^ +LL | fn bar() -> impl Sized + use<>; + | ^^^^^^^^^^^^^^^^^^ | = note: currently, all type parameters are required to be mentioned in the precise captures list diff --git a/tests/ui/impl-trait/precise-capturing/higher-ranked.rs b/tests/ui/impl-trait/precise-capturing/higher-ranked.rs index 28fb1fa4b9ec..7c8038600d13 100644 --- a/tests/ui/impl-trait/precise-capturing/higher-ranked.rs +++ b/tests/ui/impl-trait/precise-capturing/higher-ranked.rs @@ -13,6 +13,6 @@ impl Trait<'_> for () { type Item = Vec<()>; } -fn hello() -> impl for<'a> Trait<'a, Item = impl use<> IntoIterator> {} +fn hello() -> impl for<'a> Trait<'a, Item = impl IntoIterator + use<>> {} fn main() {} diff --git a/tests/ui/impl-trait/precise-capturing/ordering.rs b/tests/ui/impl-trait/precise-capturing/ordering.rs index 2bace798c570..ff326ae6d023 100644 --- a/tests/ui/impl-trait/precise-capturing/ordering.rs +++ b/tests/ui/impl-trait/precise-capturing/ordering.rs @@ -1,16 +1,16 @@ #![feature(precise_capturing)] //~^ WARN the feature `precise_capturing` is incomplete -fn lt<'a>() -> impl use<'a, 'a> Sized {} +fn lt<'a>() -> impl Sized + use<'a, 'a> {} //~^ ERROR cannot capture parameter `'a` twice -fn ty() -> impl use Sized {} +fn ty() -> impl Sized + use {} //~^ ERROR cannot capture parameter `T` twice -fn ct() -> impl use Sized {} +fn ct() -> impl Sized + use {} //~^ ERROR cannot capture parameter `N` twice -fn ordering<'a, T>() -> impl use Sized {} +fn ordering<'a, T>() -> impl Sized + use {} //~^ ERROR lifetime parameter `'a` must be listed before non-lifetime parameters fn main() {} diff --git a/tests/ui/impl-trait/precise-capturing/ordering.stderr b/tests/ui/impl-trait/precise-capturing/ordering.stderr index 3f545108df56..65059b854b37 100644 --- a/tests/ui/impl-trait/precise-capturing/ordering.stderr +++ b/tests/ui/impl-trait/precise-capturing/ordering.stderr @@ -8,30 +8,30 @@ LL | #![feature(precise_capturing)] = note: `#[warn(incomplete_features)]` on by default error: cannot capture parameter `'a` twice - --> $DIR/ordering.rs:4:25 + --> $DIR/ordering.rs:4:33 | -LL | fn lt<'a>() -> impl use<'a, 'a> Sized {} - | ^^ -- parameter captured again here +LL | fn lt<'a>() -> impl Sized + use<'a, 'a> {} + | ^^ -- parameter captured again here error: cannot capture parameter `T` twice - --> $DIR/ordering.rs:7:24 + --> $DIR/ordering.rs:7:32 | -LL | fn ty() -> impl use Sized {} - | ^ - parameter captured again here +LL | fn ty() -> impl Sized + use {} + | ^ - parameter captured again here error: cannot capture parameter `N` twice - --> $DIR/ordering.rs:10:37 + --> $DIR/ordering.rs:10:45 | -LL | fn ct() -> impl use Sized {} - | ^ - parameter captured again here +LL | fn ct() -> impl Sized + use {} + | ^ - parameter captured again here error: lifetime parameter `'a` must be listed before non-lifetime parameters - --> $DIR/ordering.rs:13:37 + --> $DIR/ordering.rs:13:45 | -LL | fn ordering<'a, T>() -> impl use Sized {} - | - ^^ - | | - | move the lifetime before this parameter +LL | fn ordering<'a, T>() -> impl Sized + use {} + | - ^^ + | | + | move the lifetime before this parameter error: aborting due to 4 previous errors; 1 warning emitted diff --git a/tests/ui/impl-trait/precise-capturing/outlives.rs b/tests/ui/impl-trait/precise-capturing/outlives.rs index 71e6333934e7..c316a869ec5b 100644 --- a/tests/ui/impl-trait/precise-capturing/outlives.rs +++ b/tests/ui/impl-trait/precise-capturing/outlives.rs @@ -5,7 +5,7 @@ #![feature(lifetime_capture_rules_2024, precise_capturing)] //~^ WARN the feature `precise_capturing` is incomplete -fn hello<'a: 'a, 'b: 'b>() -> impl use<'a> Sized { } +fn hello<'a: 'a, 'b: 'b>() -> impl Sized + use<'a> { } fn outlives<'a, T: 'a>(_: T) {} diff --git a/tests/ui/impl-trait/precise-capturing/overcaptures-2024.fixed b/tests/ui/impl-trait/precise-capturing/overcaptures-2024.fixed index 014ab23e4ebc..5ac296a9cbdf 100644 --- a/tests/ui/impl-trait/precise-capturing/overcaptures-2024.fixed +++ b/tests/ui/impl-trait/precise-capturing/overcaptures-2024.fixed @@ -4,15 +4,15 @@ #![allow(unused, incomplete_features)] #![deny(impl_trait_overcaptures)] -fn named<'a>(x: &'a i32) -> impl use<> Sized { *x } +fn named<'a>(x: &'a i32) -> impl Sized + use<> { *x } //~^ ERROR `impl Sized` will capture more lifetimes than possibly intended in edition 2024 -fn implicit(x: &i32) -> impl use<> Sized { *x } +fn implicit(x: &i32) -> impl Sized + use<> { *x } //~^ ERROR `impl Sized` will capture more lifetimes than possibly intended in edition 2024 struct W; impl W { - fn hello(&self, x: &i32) -> impl use<'_> Sized + '_ { self } + fn hello(&self, x: &i32) -> impl Sized + '_ + use<'_> { self } //~^ ERROR `impl Sized + '_` will capture more lifetimes than possibly intended in edition 2024 } @@ -23,7 +23,7 @@ impl Higher<'_> for () { type Output = (); } -fn hrtb() -> impl for<'a> Higher<'a, Output = impl use<> Sized> {} +fn hrtb() -> impl for<'a> Higher<'a, Output = impl Sized + use<>> {} //~^ ERROR `impl Sized` will capture more lifetimes than possibly intended in edition 2024 fn main() {} diff --git a/tests/ui/impl-trait/precise-capturing/overcaptures-2024.stderr b/tests/ui/impl-trait/precise-capturing/overcaptures-2024.stderr index 16cb8b7e94b1..f8bb7f099af9 100644 --- a/tests/ui/impl-trait/precise-capturing/overcaptures-2024.stderr +++ b/tests/ui/impl-trait/precise-capturing/overcaptures-2024.stderr @@ -17,8 +17,8 @@ LL | #![deny(impl_trait_overcaptures)] | ^^^^^^^^^^^^^^^^^^^^^^^ help: use the precise capturing `use<...>` syntax to make the captures explicit | -LL | fn named<'a>(x: &'a i32) -> impl use<> Sized { *x } - | +++++ +LL | fn named<'a>(x: &'a i32) -> impl Sized + use<> { *x } + | +++++++ error: `impl Sized` will capture more lifetimes than possibly intended in edition 2024 --> $DIR/overcaptures-2024.rs:10:25 @@ -34,8 +34,8 @@ LL | fn implicit(x: &i32) -> impl Sized { *x } = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024 help: use the precise capturing `use<...>` syntax to make the captures explicit | -LL | fn implicit(x: &i32) -> impl use<> Sized { *x } - | +++++ +LL | fn implicit(x: &i32) -> impl Sized + use<> { *x } + | +++++++ error: `impl Sized + '_` will capture more lifetimes than possibly intended in edition 2024 --> $DIR/overcaptures-2024.rs:15:33 @@ -51,8 +51,8 @@ LL | fn hello(&self, x: &i32) -> impl Sized + '_ { self } = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024 help: use the precise capturing `use<...>` syntax to make the captures explicit | -LL | fn hello(&self, x: &i32) -> impl use<'_> Sized + '_ { self } - | +++++++ +LL | fn hello(&self, x: &i32) -> impl Sized + '_ + use<'_> { self } + | +++++++++ error: `impl Sized` will capture more lifetimes than possibly intended in edition 2024 --> $DIR/overcaptures-2024.rs:26:47 @@ -68,8 +68,8 @@ LL | fn hrtb() -> impl for<'a> Higher<'a, Output = impl Sized> {} = note: all lifetimes in scope will be captured by `impl Trait`s in edition 2024 help: use the precise capturing `use<...>` syntax to make the captures explicit | -LL | fn hrtb() -> impl for<'a> Higher<'a, Output = impl use<> Sized> {} - | +++++ +LL | fn hrtb() -> impl for<'a> Higher<'a, Output = impl Sized + use<>> {} + | +++++++ error: aborting due to 4 previous errors diff --git a/tests/ui/impl-trait/precise-capturing/redundant.rs b/tests/ui/impl-trait/precise-capturing/redundant.rs index 108a4cb64aa8..30acfe77e2e3 100644 --- a/tests/ui/impl-trait/precise-capturing/redundant.rs +++ b/tests/ui/impl-trait/precise-capturing/redundant.rs @@ -4,21 +4,21 @@ #![feature(precise_capturing)] //~^ WARN the feature `precise_capturing` is incomplete -fn hello<'a>() -> impl use<'a> Sized {} +fn hello<'a>() -> impl Sized + use<'a> {} //~^ WARN all possible in-scope parameters are already captured struct Inherent; impl Inherent { - fn inherent(&self) -> impl use<'_> Sized {} + fn inherent(&self) -> impl Sized + use<'_> {} //~^ WARN all possible in-scope parameters are already captured } trait Test<'a> { - fn in_trait() -> impl use<'a, Self> Sized; + fn in_trait() -> impl Sized + use<'a, Self>; //~^ WARN all possible in-scope parameters are already captured } impl<'a> Test<'a> for () { - fn in_trait() -> impl use<'a> Sized {} + fn in_trait() -> impl Sized + use<'a> {} //~^ WARN all possible in-scope parameters are already captured } diff --git a/tests/ui/impl-trait/precise-capturing/redundant.stderr b/tests/ui/impl-trait/precise-capturing/redundant.stderr index 325f04d3536a..d100fd02053e 100644 --- a/tests/ui/impl-trait/precise-capturing/redundant.stderr +++ b/tests/ui/impl-trait/precise-capturing/redundant.stderr @@ -10,36 +10,36 @@ LL | #![feature(precise_capturing)] warning: all possible in-scope parameters are already captured, so `use<...>` syntax is redundant --> $DIR/redundant.rs:7:19 | -LL | fn hello<'a>() -> impl use<'a> Sized {} - | ^^^^^-------^^^^^^ - | | - | help: remove the `use<...>` syntax +LL | fn hello<'a>() -> impl Sized + use<'a> {} + | ^^^^^^^^^^^^^------- + | | + | help: remove the `use<...>` syntax | = note: `#[warn(impl_trait_redundant_captures)]` on by default warning: all possible in-scope parameters are already captured, so `use<...>` syntax is redundant --> $DIR/redundant.rs:12:27 | -LL | fn inherent(&self) -> impl use<'_> Sized {} - | ^^^^^-------^^^^^^ - | | - | help: remove the `use<...>` syntax +LL | fn inherent(&self) -> impl Sized + use<'_> {} + | ^^^^^^^^^^^^^------- + | | + | help: remove the `use<...>` syntax warning: all possible in-scope parameters are already captured, so `use<...>` syntax is redundant --> $DIR/redundant.rs:17:22 | -LL | fn in_trait() -> impl use<'a, Self> Sized; - | ^^^^^-------------^^^^^^ - | | - | help: remove the `use<...>` syntax +LL | fn in_trait() -> impl Sized + use<'a, Self>; + | ^^^^^^^^^^^^^------------- + | | + | help: remove the `use<...>` syntax warning: all possible in-scope parameters are already captured, so `use<...>` syntax is redundant --> $DIR/redundant.rs:21:22 | -LL | fn in_trait() -> impl use<'a> Sized {} - | ^^^^^-------^^^^^^ - | | - | help: remove the `use<...>` syntax +LL | fn in_trait() -> impl Sized + use<'a> {} + | ^^^^^^^^^^^^^------- + | | + | help: remove the `use<...>` syntax warning: 5 warnings emitted diff --git a/tests/ui/impl-trait/precise-capturing/self-capture.rs b/tests/ui/impl-trait/precise-capturing/self-capture.rs index ecbc388e27be..1dbbcadff6d6 100644 --- a/tests/ui/impl-trait/precise-capturing/self-capture.rs +++ b/tests/ui/impl-trait/precise-capturing/self-capture.rs @@ -4,7 +4,7 @@ //~^ WARN the feature `precise_capturing` is incomplete trait Foo { - fn bar<'a>() -> impl use Sized; + fn bar<'a>() -> impl Sized + use; } fn main() {} diff --git a/tests/ui/impl-trait/precise-capturing/unexpected-token.rs b/tests/ui/impl-trait/precise-capturing/unexpected-token.rs index 2a7ccbe1e609..a1089fd7bfc5 100644 --- a/tests/ui/impl-trait/precise-capturing/unexpected-token.rs +++ b/tests/ui/impl-trait/precise-capturing/unexpected-token.rs @@ -2,7 +2,7 @@ // token due to a strange interaction between the sequence parsing code and the // param/lifetime parsing code. -fn hello() -> impl use<'a {}> Sized {} +fn hello() -> impl Sized + use<'a {}> {} //~^ ERROR expected one of `,` or `>`, found `{` fn main() {} diff --git a/tests/ui/impl-trait/precise-capturing/unexpected-token.stderr b/tests/ui/impl-trait/precise-capturing/unexpected-token.stderr index 1f8e1d0ec323..51e4f0f67754 100644 --- a/tests/ui/impl-trait/precise-capturing/unexpected-token.stderr +++ b/tests/ui/impl-trait/precise-capturing/unexpected-token.stderr @@ -1,8 +1,8 @@ error: expected one of `,` or `>`, found `{` - --> $DIR/unexpected-token.rs:5:27 + --> $DIR/unexpected-token.rs:5:35 | -LL | fn hello() -> impl use<'a {}> Sized {} - | ^ expected one of `,` or `>` +LL | fn hello() -> impl Sized + use<'a {}> {} + | ^ expected one of `,` or `>` error: aborting due to 1 previous error diff --git a/tests/ui/parser/trait-object-delimiters.rs b/tests/ui/parser/trait-object-delimiters.rs index d6bc629aa114..8f6221c1b943 100644 --- a/tests/ui/parser/trait-object-delimiters.rs +++ b/tests/ui/parser/trait-object-delimiters.rs @@ -8,7 +8,7 @@ fn foo2(_: &dyn (Drop + AsRef)) {} //~ ERROR incorrect parentheses around t fn foo2_no_space(_: &dyn(Drop + AsRef)) {} //~ ERROR incorrect parentheses around trait bounds fn foo3(_: &dyn {Drop + AsRef}) {} //~ ERROR expected parameter name, found `{` -//~^ ERROR expected one of `!`, `(`, `)`, `*`, `,`, `?`, `async`, `const`, `for`, `~`, lifetime, or path, found `{` +//~^ ERROR expected one of `!`, `(`, `)`, `*`, `,`, `?`, `async`, `const`, `for`, `use`, `~`, lifetime, or path, found `{` //~| ERROR at least one trait is required for an object type fn foo4(_: &dyn >) {} //~ ERROR expected identifier, found `<` diff --git a/tests/ui/parser/trait-object-delimiters.stderr b/tests/ui/parser/trait-object-delimiters.stderr index 2b1f8df991f4..5f175e86545a 100644 --- a/tests/ui/parser/trait-object-delimiters.stderr +++ b/tests/ui/parser/trait-object-delimiters.stderr @@ -34,11 +34,11 @@ error: expected parameter name, found `{` LL | fn foo3(_: &dyn {Drop + AsRef}) {} | ^ expected parameter name -error: expected one of `!`, `(`, `)`, `*`, `,`, `?`, `async`, `const`, `for`, `~`, lifetime, or path, found `{` +error: expected one of `!`, `(`, `)`, `*`, `,`, `?`, `async`, `const`, `for`, `use`, `~`, lifetime, or path, found `{` --> $DIR/trait-object-delimiters.rs:10:17 | LL | fn foo3(_: &dyn {Drop + AsRef}) {} - | -^ expected one of 12 possible tokens + | -^ expected one of 13 possible tokens | | | help: missing `,` From f66558d2bfe2bbfac14f8c0472a300bbd5234ce2 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Wed, 5 Jun 2024 16:31:12 -0400 Subject: [PATCH 1655/1716] Add tests for illegal use bound syntax --- compiler/rustc_ast_lowering/messages.ftl | 2 +- compiler/rustc_ast_passes/messages.ftl | 2 +- .../rustc_ast_passes/src/ast_validation.rs | 2 +- tests/ui/impl-trait/precise-capturing/apit.rs | 2 +- .../impl-trait/precise-capturing/apit.stderr | 2 +- .../impl-trait/precise-capturing/dyn-use.rs | 4 ++ .../precise-capturing/dyn-use.stderr | 8 +++ .../illegal-positions.pre_expansion.stderr | 11 ++++ .../illegal-positions.real.stderr | 66 +++++++++++++++++++ .../precise-capturing/illegal-positions.rs | 28 ++++++++ 10 files changed, 122 insertions(+), 5 deletions(-) create mode 100644 tests/ui/impl-trait/precise-capturing/dyn-use.rs create mode 100644 tests/ui/impl-trait/precise-capturing/dyn-use.stderr create mode 100644 tests/ui/impl-trait/precise-capturing/illegal-positions.pre_expansion.stderr create mode 100644 tests/ui/impl-trait/precise-capturing/illegal-positions.real.stderr create mode 100644 tests/ui/impl-trait/precise-capturing/illegal-positions.rs diff --git a/compiler/rustc_ast_lowering/messages.ftl b/compiler/rustc_ast_lowering/messages.ftl index 10efe6fba655..7d81e45d314d 100644 --- a/compiler/rustc_ast_lowering/messages.ftl +++ b/compiler/rustc_ast_lowering/messages.ftl @@ -128,7 +128,7 @@ ast_lowering_never_pattern_with_guard = a guard on a never pattern will never be run .suggestion = remove this guard -ast_lowering_no_precise_captures_on_apit = `use<...>` precise capturing syntax not allowed on argument-position `impl Trait` +ast_lowering_no_precise_captures_on_apit = `use<...>` precise capturing syntax not allowed in argument-position `impl Trait` ast_lowering_previously_used_here = previously used here diff --git a/compiler/rustc_ast_passes/messages.ftl b/compiler/rustc_ast_passes/messages.ftl index af27429b5083..518ac9256a1e 100644 --- a/compiler/rustc_ast_passes/messages.ftl +++ b/compiler/rustc_ast_passes/messages.ftl @@ -14,7 +14,7 @@ ast_passes_assoc_type_without_body = associated type in `impl` without body .suggestion = provide a definition for the type -ast_passes_precise_capturing_not_allowed_here = `use<...>` precise capturing syntax is not allowed in {$loc} +ast_passes_precise_capturing_not_allowed_here = `use<...>` precise capturing syntax not allowed in {$loc} ast_passes_at_least_one_trait = at least one trait must be specified diff --git a/compiler/rustc_ast_passes/src/ast_validation.rs b/compiler/rustc_ast_passes/src/ast_validation.rs index 04c06e76e9c2..de96bdd557f4 100644 --- a/compiler/rustc_ast_passes/src/ast_validation.rs +++ b/compiler/rustc_ast_passes/src/ast_validation.rs @@ -1424,7 +1424,7 @@ impl<'a> Visitor<'a> for AstValidator<'a> { self.dcx().emit_err(errors::PreciseCapturingNotAllowedHere { loc: ctxt.descr(), span: *span, - }) + }); } }, } diff --git a/tests/ui/impl-trait/precise-capturing/apit.rs b/tests/ui/impl-trait/precise-capturing/apit.rs index 98e7da4e34a5..961438c9d875 100644 --- a/tests/ui/impl-trait/precise-capturing/apit.rs +++ b/tests/ui/impl-trait/precise-capturing/apit.rs @@ -2,6 +2,6 @@ //~^ WARN the feature `precise_capturing` is incomplete fn hello(_: impl Sized + use<>) {} -//~^ ERROR `use<...>` precise capturing syntax not allowed on argument-position `impl Trait` +//~^ ERROR `use<...>` precise capturing syntax not allowed in argument-position `impl Trait` fn main() {} diff --git a/tests/ui/impl-trait/precise-capturing/apit.stderr b/tests/ui/impl-trait/precise-capturing/apit.stderr index b676ed260cb7..431c619bef7c 100644 --- a/tests/ui/impl-trait/precise-capturing/apit.stderr +++ b/tests/ui/impl-trait/precise-capturing/apit.stderr @@ -7,7 +7,7 @@ LL | #![feature(precise_capturing)] = note: see issue #123432 for more information = note: `#[warn(incomplete_features)]` on by default -error: `use<...>` precise capturing syntax not allowed on argument-position `impl Trait` +error: `use<...>` precise capturing syntax not allowed in argument-position `impl Trait` --> $DIR/apit.rs:4:26 | LL | fn hello(_: impl Sized + use<>) {} diff --git a/tests/ui/impl-trait/precise-capturing/dyn-use.rs b/tests/ui/impl-trait/precise-capturing/dyn-use.rs new file mode 100644 index 000000000000..ce7a0f3c7b21 --- /dev/null +++ b/tests/ui/impl-trait/precise-capturing/dyn-use.rs @@ -0,0 +1,4 @@ +#![feature(precise_capturing)] + +fn dyn() -> &'static dyn use<> { &() } +//~^ ERROR expected one of `!`, `(`, `::`, `<`, `where`, or `{`, found keyword `use` diff --git a/tests/ui/impl-trait/precise-capturing/dyn-use.stderr b/tests/ui/impl-trait/precise-capturing/dyn-use.stderr new file mode 100644 index 000000000000..5519633de1f7 --- /dev/null +++ b/tests/ui/impl-trait/precise-capturing/dyn-use.stderr @@ -0,0 +1,8 @@ +error: expected one of `!`, `(`, `::`, `<`, `where`, or `{`, found keyword `use` + --> $DIR/dyn-use.rs:3:26 + | +LL | fn dyn() -> &'static dyn use<> { &() } + | ^^^ expected one of `!`, `(`, `::`, `<`, `where`, or `{` + +error: aborting due to 1 previous error + diff --git a/tests/ui/impl-trait/precise-capturing/illegal-positions.pre_expansion.stderr b/tests/ui/impl-trait/precise-capturing/illegal-positions.pre_expansion.stderr new file mode 100644 index 000000000000..7364dc7ffcf5 --- /dev/null +++ b/tests/ui/impl-trait/precise-capturing/illegal-positions.pre_expansion.stderr @@ -0,0 +1,11 @@ +warning: the feature `precise_capturing` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/illegal-positions.rs:5:12 + | +LL | #![feature(precise_capturing)] + | ^^^^^^^^^^^^^^^^^ + | + = note: see issue #123432 for more information + = note: `#[warn(incomplete_features)]` on by default + +warning: 1 warning emitted + diff --git a/tests/ui/impl-trait/precise-capturing/illegal-positions.real.stderr b/tests/ui/impl-trait/precise-capturing/illegal-positions.real.stderr new file mode 100644 index 000000000000..35fda00a7cb6 --- /dev/null +++ b/tests/ui/impl-trait/precise-capturing/illegal-positions.real.stderr @@ -0,0 +1,66 @@ +error: `use<...>` precise capturing syntax not allowed in supertrait bounds + --> $DIR/illegal-positions.rs:9:12 + | +LL | trait Foo: use<> { + | ^^^^^ + +error: `use<...>` precise capturing syntax not allowed in bounds + --> $DIR/illegal-positions.rs:11:33 + | +LL | type Assoc: use<> where (): use<>; + | ^^^^^ + +error: `use<...>` precise capturing syntax not allowed in bounds + --> $DIR/illegal-positions.rs:11:17 + | +LL | type Assoc: use<> where (): use<>; + | ^^^^^ + +error: `use<...>` precise capturing syntax not allowed in bounds + --> $DIR/illegal-positions.rs:17:11 + | +LL | fn fun>(_: impl use<>) where (): use<> {} + | ^^^^^ + +error: `use<...>` precise capturing syntax not allowed in bounds + --> $DIR/illegal-positions.rs:17:43 + | +LL | fn fun>(_: impl use<>) where (): use<> {} + | ^^^^^ + +error: at least one trait must be specified + --> $DIR/illegal-positions.rs:17:21 + | +LL | fn fun>(_: impl use<>) where (): use<> {} + | ^^^^^^^^^^ + +error: `use<...>` precise capturing syntax not allowed in `dyn` trait object bounds + --> $DIR/illegal-positions.rs:24:25 + | +LL | fn dynamic() -> Box> {} + | ^^^^^ + +warning: the feature `precise_capturing` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/illegal-positions.rs:5:12 + | +LL | #![feature(precise_capturing)] + | ^^^^^^^^^^^^^^^^^ + | + = note: see issue #123432 for more information + = note: `#[warn(incomplete_features)]` on by default + +error: `use<...>` precise capturing syntax not allowed in argument-position `impl Trait` + --> $DIR/illegal-positions.rs:17:26 + | +LL | fn fun>(_: impl use<>) where (): use<> {} + | ^^^^^ + +error[E0224]: at least one trait is required for an object type + --> $DIR/illegal-positions.rs:24:21 + | +LL | fn dynamic() -> Box> {} + | ^^^^^^^^^ + +error: aborting due to 9 previous errors; 1 warning emitted + +For more information about this error, try `rustc --explain E0224`. diff --git a/tests/ui/impl-trait/precise-capturing/illegal-positions.rs b/tests/ui/impl-trait/precise-capturing/illegal-positions.rs new file mode 100644 index 000000000000..58f7a02cd87e --- /dev/null +++ b/tests/ui/impl-trait/precise-capturing/illegal-positions.rs @@ -0,0 +1,28 @@ +//@ revisions: real pre_expansion +//@[pre_expansion] check-pass +//@ edition: 2021 + +#![feature(precise_capturing)] +//~^ WARN the feature `precise_capturing` is incomplete + +#[cfg(real)] +trait Foo: use<> { + //[real]~^ ERROR `use<...>` precise capturing syntax not allowed + type Assoc: use<> where (): use<>; + //[real]~^ ERROR `use<...>` precise capturing syntax not allowed + //[real]~| ERROR `use<...>` precise capturing syntax not allowed +} + +#[cfg(real)] +fn fun>(_: impl use<>) where (): use<> {} +//[real]~^ ERROR `use<...>` precise capturing syntax not allowed +//[real]~| ERROR `use<...>` precise capturing syntax not allowed +//[real]~| ERROR `use<...>` precise capturing syntax not allowed +//[real]~| ERROR at least one trait must be specified + +#[cfg(real)] +fn dynamic() -> Box> {} +//[real]~^ ERROR `use<...>` precise capturing syntax not allowed in `dyn` trait object bounds +//[real]~| ERROR at least one trait is required for an object type [E0224] + +fn main() {} From 2e03130e112d86c693076ddba3f957542632d7e1 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Wed, 5 Jun 2024 16:43:25 -0400 Subject: [PATCH 1656/1716] Detect duplicates --- compiler/rustc_ast_lowering/src/lib.rs | 11 ++++++---- compiler/rustc_ast_passes/messages.ftl | 7 +++++-- .../rustc_ast_passes/src/ast_validation.rs | 20 +++++++++++++++++-- compiler/rustc_ast_passes/src/errors.rs | 9 +++++++++ .../duplicated-use.pre_expansion.stderr | 11 ++++++++++ .../duplicated-use.real.stderr | 17 ++++++++++++++++ .../precise-capturing/duplicated-use.rs | 11 ++++++++++ 7 files changed, 78 insertions(+), 8 deletions(-) create mode 100644 tests/ui/impl-trait/precise-capturing/duplicated-use.pre_expansion.stderr create mode 100644 tests/ui/impl-trait/precise-capturing/duplicated-use.real.stderr create mode 100644 tests/ui/impl-trait/precise-capturing/duplicated-use.rs diff --git a/compiler/rustc_ast_lowering/src/lib.rs b/compiler/rustc_ast_lowering/src/lib.rs index 1fc6a9699157..b998912bf6d9 100644 --- a/compiler/rustc_ast_lowering/src/lib.rs +++ b/compiler/rustc_ast_lowering/src/lib.rs @@ -1531,10 +1531,13 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { let opaque_ty_span = self.mark_span_with_reason(DesugaringKind::OpaqueTy, span, None); let captured_lifetimes_to_duplicate = if let Some(args) = - bounds.iter().find_map(|bound| match bound { - ast::GenericBound::Use(a, _) => Some(a), - _ => None, - }) { + // We only look for one `use<...>` syntax since we syntactially reject more than one. + bounds.iter().find_map( + |bound| match bound { + ast::GenericBound::Use(a, _) => Some(a), + _ => None, + }, + ) { // We'll actually validate these later on; all we need is the list of // lifetimes to duplicate during this portion of lowering. args.iter() diff --git a/compiler/rustc_ast_passes/messages.ftl b/compiler/rustc_ast_passes/messages.ftl index 518ac9256a1e..2626631d8004 100644 --- a/compiler/rustc_ast_passes/messages.ftl +++ b/compiler/rustc_ast_passes/messages.ftl @@ -14,8 +14,6 @@ ast_passes_assoc_type_without_body = associated type in `impl` without body .suggestion = provide a definition for the type -ast_passes_precise_capturing_not_allowed_here = `use<...>` precise capturing syntax not allowed in {$loc} - ast_passes_at_least_one_trait = at least one trait must be specified ast_passes_auto_generic = auto traits cannot have generic parameters @@ -217,6 +215,11 @@ ast_passes_pattern_in_fn_pointer = patterns aren't allowed in function pointer t ast_passes_pattern_in_foreign = patterns aren't allowed in foreign function declarations .label = pattern not allowed in foreign function +ast_passes_precise_capturing_duplicated = duplicate `use<...>` precise capturing syntax + .label = second `use<...>` here + +ast_passes_precise_capturing_not_allowed_here = `use<...>` precise capturing syntax not allowed in {$loc} + ast_passes_show_span = {$msg} ast_passes_stability_outside_std = stability attributes may not be used outside of the standard library diff --git a/compiler/rustc_ast_passes/src/ast_validation.rs b/compiler/rustc_ast_passes/src/ast_validation.rs index de96bdd557f4..93abe36a2dbf 100644 --- a/compiler/rustc_ast_passes/src/ast_validation.rs +++ b/compiler/rustc_ast_passes/src/ast_validation.rs @@ -193,8 +193,24 @@ impl<'a> AstValidator<'a> { // Mirrors `visit::walk_ty`, but tracks relevant state. fn walk_ty(&mut self, t: &'a Ty) { match &t.kind { - TyKind::ImplTrait(..) => { - self.with_impl_trait(Some(t.span), |this| visit::walk_ty(this, t)) + TyKind::ImplTrait(_, bounds) => { + self.with_impl_trait(Some(t.span), |this| visit::walk_ty(this, t)); + + // FIXME(precise_capturing): If we were to allow `use` in other positions + // (e.g. GATs), then we must validate those as well. However, we don't have + // a good way of doing this with the current `Visitor` structure. + let mut use_bounds = bounds + .iter() + .filter_map(|bound| match bound { + GenericBound::Use(_, span) => Some(span), + _ => None, + }) + .copied(); + if let Some(bound1) = use_bounds.next() + && let Some(bound2) = use_bounds.next() + { + self.dcx().emit_err(errors::DuplicatePreciseCapturing { bound1, bound2 }); + } } TyKind::TraitObject(..) => self .with_tilde_const(Some(DisallowTildeConstContext::TraitObject), |this| { diff --git a/compiler/rustc_ast_passes/src/errors.rs b/compiler/rustc_ast_passes/src/errors.rs index cb95b7bce919..601910ded208 100644 --- a/compiler/rustc_ast_passes/src/errors.rs +++ b/compiler/rustc_ast_passes/src/errors.rs @@ -852,3 +852,12 @@ pub struct PreciseCapturingNotAllowedHere { pub span: Span, pub loc: &'static str, } + +#[derive(Diagnostic)] +#[diag(ast_passes_precise_capturing_duplicated)] +pub struct DuplicatePreciseCapturing { + #[primary_span] + pub bound1: Span, + #[label] + pub bound2: Span, +} diff --git a/tests/ui/impl-trait/precise-capturing/duplicated-use.pre_expansion.stderr b/tests/ui/impl-trait/precise-capturing/duplicated-use.pre_expansion.stderr new file mode 100644 index 000000000000..4ecec0143d6a --- /dev/null +++ b/tests/ui/impl-trait/precise-capturing/duplicated-use.pre_expansion.stderr @@ -0,0 +1,11 @@ +warning: the feature `precise_capturing` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/duplicated-use.rs:4:12 + | +LL | #![feature(precise_capturing)] + | ^^^^^^^^^^^^^^^^^ + | + = note: see issue #123432 for more information + = note: `#[warn(incomplete_features)]` on by default + +warning: 1 warning emitted + diff --git a/tests/ui/impl-trait/precise-capturing/duplicated-use.real.stderr b/tests/ui/impl-trait/precise-capturing/duplicated-use.real.stderr new file mode 100644 index 000000000000..08367373d5ac --- /dev/null +++ b/tests/ui/impl-trait/precise-capturing/duplicated-use.real.stderr @@ -0,0 +1,17 @@ +error: duplicate `use<...>` precise capturing syntax + --> $DIR/duplicated-use.rs:8:32 + | +LL | fn hello<'a>() -> impl Sized + use<'a> + use<'a> {} + | ^^^^^^^ ------- second `use<...>` here + +warning: the feature `precise_capturing` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/duplicated-use.rs:4:12 + | +LL | #![feature(precise_capturing)] + | ^^^^^^^^^^^^^^^^^ + | + = note: see issue #123432 for more information + = note: `#[warn(incomplete_features)]` on by default + +error: aborting due to 1 previous error; 1 warning emitted + diff --git a/tests/ui/impl-trait/precise-capturing/duplicated-use.rs b/tests/ui/impl-trait/precise-capturing/duplicated-use.rs new file mode 100644 index 000000000000..36ccc104ea19 --- /dev/null +++ b/tests/ui/impl-trait/precise-capturing/duplicated-use.rs @@ -0,0 +1,11 @@ +//@ revisions: real pre_expansion +//@[pre_expansion] check-pass + +#![feature(precise_capturing)] +//~^ WARN the feature `precise_capturing` is incomplete + +#[cfg(real)] +fn hello<'a>() -> impl Sized + use<'a> + use<'a> {} +//[real]~^ ERROR duplicate `use<...>` precise capturing syntax + +fn main() {} From bd83649b1d1e7f29f825e71e2b81e12435b0cabc Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sun, 16 Jun 2024 22:21:47 -0400 Subject: [PATCH 1657/1716] Fix rustfmt --- src/tools/rustfmt/src/spanned.rs | 1 + src/tools/rustfmt/src/types.rs | 15 ++++++++------- 2 files changed, 9 insertions(+), 7 deletions(-) diff --git a/src/tools/rustfmt/src/spanned.rs b/src/tools/rustfmt/src/spanned.rs index 4aaf7fdb27fb..28911f8af1df 100644 --- a/src/tools/rustfmt/src/spanned.rs +++ b/src/tools/rustfmt/src/spanned.rs @@ -181,6 +181,7 @@ impl Spanned for ast::GenericBound { match *self { ast::GenericBound::Trait(ref ptr, _) => ptr.span, ast::GenericBound::Outlives(ref l) => l.ident.span, + ast::GenericBound::Use(_, span) => span, } } } diff --git a/src/tools/rustfmt/src/types.rs b/src/tools/rustfmt/src/types.rs index 7d14d9e727ab..c2c192738c91 100644 --- a/src/tools/rustfmt/src/types.rs +++ b/src/tools/rustfmt/src/types.rs @@ -563,6 +563,8 @@ impl Rewrite for ast::GenericBound { .map(|s| if has_paren { format!("({})", s) } else { s }) } ast::GenericBound::Outlives(ref lifetime) => lifetime.rewrite(context, shape), + // FIXME(precise_capturing): Should implement formatting before stabilization. + ast::GenericBound::Use(..) => None, } } } @@ -843,11 +845,7 @@ impl Rewrite for ast::Ty { rewrite_macro(mac, None, context, shape, MacroPosition::Expression) } ast::TyKind::ImplicitSelf => Some(String::from("")), - ast::TyKind::ImplTrait(_, ref it, ref captures) => { - // FIXME(precise_capturing): Implement formatting. - if captures.is_some() { - return None; - } + ast::TyKind::ImplTrait(_, ref it) => { // Empty trait is not a parser error. if it.is_empty() { return Some("impl".to_owned()); @@ -932,6 +930,8 @@ fn is_generic_bounds_in_order(generic_bounds: &[ast::GenericBound]) -> bool { let is_trait = |b: &ast::GenericBound| match b { ast::GenericBound::Outlives(..) => false, ast::GenericBound::Trait(..) => true, + // FIXME(precise_capturing): This ordering fn should be reworked. + ast::GenericBound::Use(..) => false, }; let is_lifetime = |b: &ast::GenericBound| !is_trait(b); let last_trait_index = generic_bounds.iter().rposition(is_trait); @@ -966,6 +966,8 @@ fn join_bounds_inner( let is_bound_extendable = |s: &str, b: &ast::GenericBound| match b { ast::GenericBound::Outlives(..) => true, ast::GenericBound::Trait(..) => last_line_extendable(s), + // FIXME(precise_capturing): This ordering fn should be reworked. + ast::GenericBound::Use(..) => true, }; // Whether a GenericBound item is a PathSegment segment that includes internal array @@ -1110,8 +1112,7 @@ fn join_bounds_inner( pub(crate) fn opaque_ty(ty: &Option>) -> Option<&ast::GenericBounds> { ty.as_ref().and_then(|t| match &t.kind { - // FIXME(precise_capturing): Implement support here - ast::TyKind::ImplTrait(_, bounds, _) => Some(bounds), + ast::TyKind::ImplTrait(_, bounds) => Some(bounds), _ => None, }) } From 579bc3c0e8adb3418d41246d937ddd63e0a0cfcf Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Thu, 6 Jun 2024 09:01:45 -0400 Subject: [PATCH 1658/1716] Fix other tools --- src/librustdoc/clean/mod.rs | 2 ++ src/tools/clippy/clippy_utils/src/ast_utils.rs | 5 +---- 2 files changed, 3 insertions(+), 4 deletions(-) diff --git a/src/librustdoc/clean/mod.rs b/src/librustdoc/clean/mod.rs index 2dcbbf0d1509..da41f974068e 100644 --- a/src/librustdoc/clean/mod.rs +++ b/src/librustdoc/clean/mod.rs @@ -228,6 +228,8 @@ fn clean_generic_bound<'tcx>( GenericBound::TraitBound(clean_poly_trait_ref(t, cx), modifier) } + // FIXME(precise_capturing): Implement rustdoc support + hir::GenericBound::Use(..) => return None, }) } diff --git a/src/tools/clippy/clippy_utils/src/ast_utils.rs b/src/tools/clippy/clippy_utils/src/ast_utils.rs index c70f5c2df842..fb43f7d80aff 100644 --- a/src/tools/clippy/clippy_utils/src/ast_utils.rs +++ b/src/tools/clippy/clippy_utils/src/ast_utils.rs @@ -724,11 +724,8 @@ pub fn eq_ty(l: &Ty, r: &Ty) -> bool { (Tup(l), Tup(r)) => over(l, r, |l, r| eq_ty(l, r)), (Path(lq, lp), Path(rq, rp)) => both(lq, rq, eq_qself) && eq_path(lp, rp), (TraitObject(lg, ls), TraitObject(rg, rs)) => ls == rs && over(lg, rg, eq_generic_bound), - (ImplTrait(_, lg, lc), ImplTrait(_, rg, rc)) => { + (ImplTrait(_, lg), ImplTrait(_, rg)) => { over(lg, rg, eq_generic_bound) - && both(lc, rc, |lc, rc| { - over(lc.0.as_slice(), rc.0.as_slice(), eq_precise_capture) - }) }, (Typeof(l), Typeof(r)) => eq_expr(&l.value, &r.value), (MacCall(l), MacCall(r)) => eq_mac_call(l, r), From 227374714f3429e401c2c572a7eba00a4423ae09 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sun, 16 Jun 2024 22:07:23 -0400 Subject: [PATCH 1659/1716] Delay a bug and mark precise_capturing as not incomplete --- compiler/rustc_ast_lowering/src/lib.rs | 6 +++- compiler/rustc_feature/src/unstable.rs | 2 +- .../call_method_ambiguous.next.stderr | 2 +- tests/ui/impl-trait/call_method_ambiguous.rs | 3 +- tests/ui/impl-trait/precise-capturing/apit.rs | 1 - .../impl-trait/precise-capturing/apit.stderr | 13 ++------- .../precise-capturing/bad-lifetimes.rs | 1 - .../precise-capturing/bad-lifetimes.stderr | 19 ++++-------- .../precise-capturing/bad-params.rs | 1 - .../precise-capturing/bad-params.stderr | 19 ++++-------- .../precise-capturing/capture-parent-arg.rs | 1 - .../capture-parent-arg.stderr | 15 ++-------- .../duplicated-use.pre_expansion.stderr | 11 ------- .../duplicated-use.real.stderr | 13 ++------- .../precise-capturing/duplicated-use.rs | 1 - .../ui/impl-trait/precise-capturing/elided.rs | 1 - .../precise-capturing/elided.stderr | 11 ------- .../forgot-to-capture-const.rs | 1 - .../forgot-to-capture-const.stderr | 13 ++------- .../forgot-to-capture-lifetime.rs | 1 - .../forgot-to-capture-lifetime.stderr | 15 ++-------- .../forgot-to-capture-type.rs | 1 - .../forgot-to-capture-type.stderr | 15 ++-------- .../precise-capturing/higher-ranked.rs | 1 - .../precise-capturing/higher-ranked.stderr | 11 ------- .../illegal-positions.pre_expansion.stderr | 11 ------- .../illegal-positions.real.stderr | 29 +++++++------------ .../precise-capturing/illegal-positions.rs | 1 - .../impl-trait/precise-capturing/ordering.rs | 1 - .../precise-capturing/ordering.stderr | 19 ++++-------- .../impl-trait/precise-capturing/outlives.rs | 1 - .../precise-capturing/outlives.stderr | 11 ------- .../impl-trait/precise-capturing/redundant.rs | 1 - .../precise-capturing/redundant.stderr | 19 ++++-------- .../precise-capturing/self-capture.rs | 1 - .../precise-capturing/self-capture.stderr | 11 ------- 36 files changed, 53 insertions(+), 230 deletions(-) delete mode 100644 tests/ui/impl-trait/precise-capturing/duplicated-use.pre_expansion.stderr delete mode 100644 tests/ui/impl-trait/precise-capturing/elided.stderr delete mode 100644 tests/ui/impl-trait/precise-capturing/higher-ranked.stderr delete mode 100644 tests/ui/impl-trait/precise-capturing/illegal-positions.pre_expansion.stderr delete mode 100644 tests/ui/impl-trait/precise-capturing/outlives.stderr delete mode 100644 tests/ui/impl-trait/precise-capturing/self-capture.stderr diff --git a/compiler/rustc_ast_lowering/src/lib.rs b/compiler/rustc_ast_lowering/src/lib.rs index b998912bf6d9..f18ceb62e0bd 100644 --- a/compiler/rustc_ast_lowering/src/lib.rs +++ b/compiler/rustc_ast_lowering/src/lib.rs @@ -1385,7 +1385,11 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { None } // Ignore `use` syntax since that is not valid in objects. - GenericBound::Use(..) => None, + GenericBound::Use(_, span) => { + this.dcx() + .span_delayed_bug(*span, "use<> not allowed in dyn types"); + None + } })); let lifetime_bound = lifetime_bound.unwrap_or_else(|| this.elided_dyn_bound(t.span)); diff --git a/compiler/rustc_feature/src/unstable.rs b/compiler/rustc_feature/src/unstable.rs index 5cb72a2ba385..066a5a8f046e 100644 --- a/compiler/rustc_feature/src/unstable.rs +++ b/compiler/rustc_feature/src/unstable.rs @@ -568,7 +568,7 @@ declare_features! ( /// Allows postfix match `expr.match { ... }` (unstable, postfix_match, "1.79.0", Some(121618)), /// Allows `use<'a, 'b, A, B>` in `impl Trait + use<...>` for precise capture of generic args. - (incomplete, precise_capturing, "1.79.0", Some(123432)), + (unstable, precise_capturing, "1.79.0", Some(123432)), /// Allows macro attributes on expressions, statements and non-inline modules. (unstable, proc_macro_hygiene, "1.30.0", Some(54727)), /// Allows `&raw const $place_expr` and `&raw mut $place_expr` expressions. diff --git a/tests/ui/impl-trait/call_method_ambiguous.next.stderr b/tests/ui/impl-trait/call_method_ambiguous.next.stderr index cd222aa7ae9f..a1f9a8b40a89 100644 --- a/tests/ui/impl-trait/call_method_ambiguous.next.stderr +++ b/tests/ui/impl-trait/call_method_ambiguous.next.stderr @@ -1,5 +1,5 @@ error[E0282]: type annotations needed - --> $DIR/call_method_ambiguous.rs:29:13 + --> $DIR/call_method_ambiguous.rs:28:13 | LL | let mut iter = foo(n - 1, m); | ^^^^^^^^ diff --git a/tests/ui/impl-trait/call_method_ambiguous.rs b/tests/ui/impl-trait/call_method_ambiguous.rs index c26c01e002d8..4dac605d6b81 100644 --- a/tests/ui/impl-trait/call_method_ambiguous.rs +++ b/tests/ui/impl-trait/call_method_ambiguous.rs @@ -3,7 +3,6 @@ //@[current] run-pass #![feature(precise_capturing)] -#![allow(incomplete_features)] trait Get { fn get(&mut self) -> u32; @@ -24,7 +23,7 @@ where } } -fn foo(n: usize, m: &mut ()) -> impl use<'_> Get { +fn foo(n: usize, m: &mut ()) -> impl Get + use<'_> { if n > 0 { let mut iter = foo(n - 1, m); //[next]~^ type annotations needed diff --git a/tests/ui/impl-trait/precise-capturing/apit.rs b/tests/ui/impl-trait/precise-capturing/apit.rs index 961438c9d875..64c15d6df96c 100644 --- a/tests/ui/impl-trait/precise-capturing/apit.rs +++ b/tests/ui/impl-trait/precise-capturing/apit.rs @@ -1,5 +1,4 @@ #![feature(precise_capturing)] -//~^ WARN the feature `precise_capturing` is incomplete fn hello(_: impl Sized + use<>) {} //~^ ERROR `use<...>` precise capturing syntax not allowed in argument-position `impl Trait` diff --git a/tests/ui/impl-trait/precise-capturing/apit.stderr b/tests/ui/impl-trait/precise-capturing/apit.stderr index 431c619bef7c..1d6225a1ff8d 100644 --- a/tests/ui/impl-trait/precise-capturing/apit.stderr +++ b/tests/ui/impl-trait/precise-capturing/apit.stderr @@ -1,17 +1,8 @@ -warning: the feature `precise_capturing` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/apit.rs:1:12 - | -LL | #![feature(precise_capturing)] - | ^^^^^^^^^^^^^^^^^ - | - = note: see issue #123432 for more information - = note: `#[warn(incomplete_features)]` on by default - error: `use<...>` precise capturing syntax not allowed in argument-position `impl Trait` - --> $DIR/apit.rs:4:26 + --> $DIR/apit.rs:3:26 | LL | fn hello(_: impl Sized + use<>) {} | ^^^^^ -error: aborting due to 1 previous error; 1 warning emitted +error: aborting due to 1 previous error diff --git a/tests/ui/impl-trait/precise-capturing/bad-lifetimes.rs b/tests/ui/impl-trait/precise-capturing/bad-lifetimes.rs index d9ea20b1e30a..d2d4570c570e 100644 --- a/tests/ui/impl-trait/precise-capturing/bad-lifetimes.rs +++ b/tests/ui/impl-trait/precise-capturing/bad-lifetimes.rs @@ -1,5 +1,4 @@ #![feature(precise_capturing)] -//~^ WARN the feature `precise_capturing` is incomplete fn no_elided_lt() -> impl Sized + use<'_> {} //~^ ERROR missing lifetime specifier diff --git a/tests/ui/impl-trait/precise-capturing/bad-lifetimes.stderr b/tests/ui/impl-trait/precise-capturing/bad-lifetimes.stderr index ac8ec34e341e..550996ab5e57 100644 --- a/tests/ui/impl-trait/precise-capturing/bad-lifetimes.stderr +++ b/tests/ui/impl-trait/precise-capturing/bad-lifetimes.stderr @@ -1,5 +1,5 @@ error[E0106]: missing lifetime specifier - --> $DIR/bad-lifetimes.rs:4:39 + --> $DIR/bad-lifetimes.rs:3:39 | LL | fn no_elided_lt() -> impl Sized + use<'_> {} | ^^ expected named lifetime parameter @@ -11,35 +11,26 @@ LL | fn no_elided_lt() -> impl Sized + use<'static> {} | ~~~~~~~ error[E0261]: use of undeclared lifetime name `'missing` - --> $DIR/bad-lifetimes.rs:11:37 + --> $DIR/bad-lifetimes.rs:10:37 | LL | fn missing_lt() -> impl Sized + use<'missing> {} | - ^^^^^^^^ undeclared lifetime | | | help: consider introducing lifetime `'missing` here: `<'missing>` -warning: the feature `precise_capturing` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/bad-lifetimes.rs:1:12 - | -LL | #![feature(precise_capturing)] - | ^^^^^^^^^^^^^^^^^ - | - = note: see issue #123432 for more information - = note: `#[warn(incomplete_features)]` on by default - error: expected lifetime parameter in `use<...>` precise captures list, found `'_` - --> $DIR/bad-lifetimes.rs:4:39 + --> $DIR/bad-lifetimes.rs:3:39 | LL | fn no_elided_lt() -> impl Sized + use<'_> {} | ^^ error: expected lifetime parameter in `use<...>` precise captures list, found `'static` - --> $DIR/bad-lifetimes.rs:8:36 + --> $DIR/bad-lifetimes.rs:7:36 | LL | fn static_lt() -> impl Sized + use<'static> {} | ^^^^^^^ -error: aborting due to 4 previous errors; 1 warning emitted +error: aborting due to 4 previous errors Some errors have detailed explanations: E0106, E0261. For more information about an error, try `rustc --explain E0106`. diff --git a/tests/ui/impl-trait/precise-capturing/bad-params.rs b/tests/ui/impl-trait/precise-capturing/bad-params.rs index 4d9392f76f24..08eee67c0e57 100644 --- a/tests/ui/impl-trait/precise-capturing/bad-params.rs +++ b/tests/ui/impl-trait/precise-capturing/bad-params.rs @@ -1,5 +1,4 @@ #![feature(precise_capturing)] -//~^ WARN the feature `precise_capturing` is incomplete fn missing() -> impl Sized + use {} //~^ ERROR cannot find type `T` in this scope diff --git a/tests/ui/impl-trait/precise-capturing/bad-params.stderr b/tests/ui/impl-trait/precise-capturing/bad-params.stderr index 309a8128fe4e..e104f115aa3f 100644 --- a/tests/ui/impl-trait/precise-capturing/bad-params.stderr +++ b/tests/ui/impl-trait/precise-capturing/bad-params.stderr @@ -1,5 +1,5 @@ error[E0412]: cannot find type `T` in this scope - --> $DIR/bad-params.rs:4:34 + --> $DIR/bad-params.rs:3:34 | LL | fn missing() -> impl Sized + use {} | ^ not found in this scope @@ -10,24 +10,15 @@ LL | fn missing() -> impl Sized + use {} | +++ error[E0411]: cannot find type `Self` in this scope - --> $DIR/bad-params.rs:7:39 + --> $DIR/bad-params.rs:6:39 | LL | fn missing_self() -> impl Sized + use {} | ------------ ^^^^ `Self` is only available in impls, traits, and type definitions | | | `Self` not allowed in a function -warning: the feature `precise_capturing` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/bad-params.rs:1:12 - | -LL | #![feature(precise_capturing)] - | ^^^^^^^^^^^^^^^^^ - | - = note: see issue #123432 for more information - = note: `#[warn(incomplete_features)]` on by default - error: `Self` can't be captured in `use<...>` precise captures list, since it is an alias - --> $DIR/bad-params.rs:12:48 + --> $DIR/bad-params.rs:11:48 | LL | impl MyType { | ----------- `Self` is not a generic argument, but an alias to the type of the implementation @@ -35,12 +26,12 @@ LL | fn self_is_not_param() -> impl Sized + use {} | ^^^^ error: expected type or const parameter in `use<...>` precise captures list, found function - --> $DIR/bad-params.rs:16:32 + --> $DIR/bad-params.rs:15:32 | LL | fn hello() -> impl Sized + use {} | ^^^^^ -error: aborting due to 4 previous errors; 1 warning emitted +error: aborting due to 4 previous errors Some errors have detailed explanations: E0411, E0412. For more information about an error, try `rustc --explain E0411`. diff --git a/tests/ui/impl-trait/precise-capturing/capture-parent-arg.rs b/tests/ui/impl-trait/precise-capturing/capture-parent-arg.rs index f4acc4db269d..82b953bfed4b 100644 --- a/tests/ui/impl-trait/precise-capturing/capture-parent-arg.rs +++ b/tests/ui/impl-trait/precise-capturing/capture-parent-arg.rs @@ -1,5 +1,4 @@ #![feature(precise_capturing)] -//~^ WARN the feature `precise_capturing` is incomplete trait Tr { type Assoc; diff --git a/tests/ui/impl-trait/precise-capturing/capture-parent-arg.stderr b/tests/ui/impl-trait/precise-capturing/capture-parent-arg.stderr index 447f74dca2bb..b521ee0a9023 100644 --- a/tests/ui/impl-trait/precise-capturing/capture-parent-arg.stderr +++ b/tests/ui/impl-trait/precise-capturing/capture-parent-arg.stderr @@ -1,14 +1,5 @@ -warning: the feature `precise_capturing` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/capture-parent-arg.rs:1:12 - | -LL | #![feature(precise_capturing)] - | ^^^^^^^^^^^^^^^^^ - | - = note: see issue #123432 for more information - = note: `#[warn(incomplete_features)]` on by default - error: `impl Trait` captures lifetime parameter, but it is not mentioned in `use<...>` precise captures list - --> $DIR/capture-parent-arg.rs:28:31 + --> $DIR/capture-parent-arg.rs:27:31 | LL | impl<'a> W<'a> { | -- this lifetime parameter is captured @@ -16,12 +7,12 @@ LL | fn bad1() -> impl Into< as Tr>::Assoc> + use<> {} | -------------^^------------------------ lifetime captured due to being mentioned in the bounds of the `impl Trait` error: `impl Trait` captures lifetime parameter, but it is not mentioned in `use<...>` precise captures list - --> $DIR/capture-parent-arg.rs:34:18 + --> $DIR/capture-parent-arg.rs:33:18 | LL | impl<'a> W<'a> { | -- this lifetime parameter is captured LL | fn bad2() -> impl Into<::Assoc> + use<> {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ lifetime captured due to being mentioned in the bounds of the `impl Trait` -error: aborting due to 2 previous errors; 1 warning emitted +error: aborting due to 2 previous errors diff --git a/tests/ui/impl-trait/precise-capturing/duplicated-use.pre_expansion.stderr b/tests/ui/impl-trait/precise-capturing/duplicated-use.pre_expansion.stderr deleted file mode 100644 index 4ecec0143d6a..000000000000 --- a/tests/ui/impl-trait/precise-capturing/duplicated-use.pre_expansion.stderr +++ /dev/null @@ -1,11 +0,0 @@ -warning: the feature `precise_capturing` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/duplicated-use.rs:4:12 - | -LL | #![feature(precise_capturing)] - | ^^^^^^^^^^^^^^^^^ - | - = note: see issue #123432 for more information - = note: `#[warn(incomplete_features)]` on by default - -warning: 1 warning emitted - diff --git a/tests/ui/impl-trait/precise-capturing/duplicated-use.real.stderr b/tests/ui/impl-trait/precise-capturing/duplicated-use.real.stderr index 08367373d5ac..d8edd672b48c 100644 --- a/tests/ui/impl-trait/precise-capturing/duplicated-use.real.stderr +++ b/tests/ui/impl-trait/precise-capturing/duplicated-use.real.stderr @@ -1,17 +1,8 @@ error: duplicate `use<...>` precise capturing syntax - --> $DIR/duplicated-use.rs:8:32 + --> $DIR/duplicated-use.rs:7:32 | LL | fn hello<'a>() -> impl Sized + use<'a> + use<'a> {} | ^^^^^^^ ------- second `use<...>` here -warning: the feature `precise_capturing` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/duplicated-use.rs:4:12 - | -LL | #![feature(precise_capturing)] - | ^^^^^^^^^^^^^^^^^ - | - = note: see issue #123432 for more information - = note: `#[warn(incomplete_features)]` on by default - -error: aborting due to 1 previous error; 1 warning emitted +error: aborting due to 1 previous error diff --git a/tests/ui/impl-trait/precise-capturing/duplicated-use.rs b/tests/ui/impl-trait/precise-capturing/duplicated-use.rs index 36ccc104ea19..bfbdcdbf311d 100644 --- a/tests/ui/impl-trait/precise-capturing/duplicated-use.rs +++ b/tests/ui/impl-trait/precise-capturing/duplicated-use.rs @@ -2,7 +2,6 @@ //@[pre_expansion] check-pass #![feature(precise_capturing)] -//~^ WARN the feature `precise_capturing` is incomplete #[cfg(real)] fn hello<'a>() -> impl Sized + use<'a> + use<'a> {} diff --git a/tests/ui/impl-trait/precise-capturing/elided.rs b/tests/ui/impl-trait/precise-capturing/elided.rs index 71e269e03a3b..34d1ba620dce 100644 --- a/tests/ui/impl-trait/precise-capturing/elided.rs +++ b/tests/ui/impl-trait/precise-capturing/elided.rs @@ -1,7 +1,6 @@ //@ check-pass #![feature(precise_capturing)] -//~^ WARN the feature `precise_capturing` is incomplete fn elided(x: &()) -> impl Sized + use<'_> { x } diff --git a/tests/ui/impl-trait/precise-capturing/elided.stderr b/tests/ui/impl-trait/precise-capturing/elided.stderr deleted file mode 100644 index 38da0828de97..000000000000 --- a/tests/ui/impl-trait/precise-capturing/elided.stderr +++ /dev/null @@ -1,11 +0,0 @@ -warning: the feature `precise_capturing` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/elided.rs:3:12 - | -LL | #![feature(precise_capturing)] - | ^^^^^^^^^^^^^^^^^ - | - = note: see issue #123432 for more information - = note: `#[warn(incomplete_features)]` on by default - -warning: 1 warning emitted - diff --git a/tests/ui/impl-trait/precise-capturing/forgot-to-capture-const.rs b/tests/ui/impl-trait/precise-capturing/forgot-to-capture-const.rs index 49466585c52d..26d29e456eaa 100644 --- a/tests/ui/impl-trait/precise-capturing/forgot-to-capture-const.rs +++ b/tests/ui/impl-trait/precise-capturing/forgot-to-capture-const.rs @@ -1,5 +1,4 @@ #![feature(precise_capturing)] -//~^ WARN the feature `precise_capturing` is incomplete fn constant() -> impl Sized + use<> {} //~^ ERROR `impl Trait` must mention all const parameters in scope diff --git a/tests/ui/impl-trait/precise-capturing/forgot-to-capture-const.stderr b/tests/ui/impl-trait/precise-capturing/forgot-to-capture-const.stderr index ce27f79a9d68..989ed136d4c3 100644 --- a/tests/ui/impl-trait/precise-capturing/forgot-to-capture-const.stderr +++ b/tests/ui/impl-trait/precise-capturing/forgot-to-capture-const.stderr @@ -1,14 +1,5 @@ -warning: the feature `precise_capturing` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/forgot-to-capture-const.rs:1:12 - | -LL | #![feature(precise_capturing)] - | ^^^^^^^^^^^^^^^^^ - | - = note: see issue #123432 for more information - = note: `#[warn(incomplete_features)]` on by default - error: `impl Trait` must mention all const parameters in scope in `use<...>` - --> $DIR/forgot-to-capture-const.rs:4:34 + --> $DIR/forgot-to-capture-const.rs:3:34 | LL | fn constant() -> impl Sized + use<> {} | -------------- ^^^^^^^^^^^^^^^^^^ @@ -17,5 +8,5 @@ LL | fn constant() -> impl Sized + use<> {} | = note: currently, all const parameters are required to be mentioned in the precise captures list -error: aborting due to 1 previous error; 1 warning emitted +error: aborting due to 1 previous error diff --git a/tests/ui/impl-trait/precise-capturing/forgot-to-capture-lifetime.rs b/tests/ui/impl-trait/precise-capturing/forgot-to-capture-lifetime.rs index 9af36817847c..f18dbca6c5ef 100644 --- a/tests/ui/impl-trait/precise-capturing/forgot-to-capture-lifetime.rs +++ b/tests/ui/impl-trait/precise-capturing/forgot-to-capture-lifetime.rs @@ -1,5 +1,4 @@ #![feature(precise_capturing)] -//~^ WARN the feature `precise_capturing` is incomplete fn lifetime_in_bounds<'a>(x: &'a ()) -> impl Into<&'a ()> + use<> { x } //~^ ERROR `impl Trait` captures lifetime parameter, but it is not mentioned in `use<...>` precise captures list diff --git a/tests/ui/impl-trait/precise-capturing/forgot-to-capture-lifetime.stderr b/tests/ui/impl-trait/precise-capturing/forgot-to-capture-lifetime.stderr index c884b6b0d91f..6544837ba832 100644 --- a/tests/ui/impl-trait/precise-capturing/forgot-to-capture-lifetime.stderr +++ b/tests/ui/impl-trait/precise-capturing/forgot-to-capture-lifetime.stderr @@ -1,14 +1,5 @@ -warning: the feature `precise_capturing` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/forgot-to-capture-lifetime.rs:1:12 - | -LL | #![feature(precise_capturing)] - | ^^^^^^^^^^^^^^^^^ - | - = note: see issue #123432 for more information - = note: `#[warn(incomplete_features)]` on by default - error: `impl Trait` captures lifetime parameter, but it is not mentioned in `use<...>` precise captures list - --> $DIR/forgot-to-capture-lifetime.rs:4:52 + --> $DIR/forgot-to-capture-lifetime.rs:3:52 | LL | fn lifetime_in_bounds<'a>(x: &'a ()) -> impl Into<&'a ()> + use<> { x } | -- -----------^^------------ @@ -17,7 +8,7 @@ LL | fn lifetime_in_bounds<'a>(x: &'a ()) -> impl Into<&'a ()> + use<> { x } | this lifetime parameter is captured error[E0700]: hidden type for `impl Sized` captures lifetime that does not appear in bounds - --> $DIR/forgot-to-capture-lifetime.rs:7:62 + --> $DIR/forgot-to-capture-lifetime.rs:6:62 | LL | fn lifetime_in_hidden<'a>(x: &'a ()) -> impl Sized + use<> { x } | -- ------------------ ^ @@ -30,6 +21,6 @@ help: to declare that `impl Sized` captures `'a`, you can add an explicit `'a` l LL | fn lifetime_in_hidden<'a>(x: &'a ()) -> impl Sized + use<> + 'a { x } | ++++ -error: aborting due to 2 previous errors; 1 warning emitted +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0700`. diff --git a/tests/ui/impl-trait/precise-capturing/forgot-to-capture-type.rs b/tests/ui/impl-trait/precise-capturing/forgot-to-capture-type.rs index bfb0745805a5..080149857839 100644 --- a/tests/ui/impl-trait/precise-capturing/forgot-to-capture-type.rs +++ b/tests/ui/impl-trait/precise-capturing/forgot-to-capture-type.rs @@ -1,5 +1,4 @@ #![feature(precise_capturing)] -//~^ WARN the feature `precise_capturing` is incomplete fn type_param() -> impl Sized + use<> {} //~^ ERROR `impl Trait` must mention all type parameters in scope diff --git a/tests/ui/impl-trait/precise-capturing/forgot-to-capture-type.stderr b/tests/ui/impl-trait/precise-capturing/forgot-to-capture-type.stderr index 91e7e79564d8..93b44a0c18c2 100644 --- a/tests/ui/impl-trait/precise-capturing/forgot-to-capture-type.stderr +++ b/tests/ui/impl-trait/precise-capturing/forgot-to-capture-type.stderr @@ -1,14 +1,5 @@ -warning: the feature `precise_capturing` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/forgot-to-capture-type.rs:1:12 - | -LL | #![feature(precise_capturing)] - | ^^^^^^^^^^^^^^^^^ - | - = note: see issue #123432 for more information - = note: `#[warn(incomplete_features)]` on by default - error: `impl Trait` must mention all type parameters in scope in `use<...>` - --> $DIR/forgot-to-capture-type.rs:4:23 + --> $DIR/forgot-to-capture-type.rs:3:23 | LL | fn type_param() -> impl Sized + use<> {} | - ^^^^^^^^^^^^^^^^^^ @@ -18,7 +9,7 @@ LL | fn type_param() -> impl Sized + use<> {} = note: currently, all type parameters are required to be mentioned in the precise captures list error: `impl Trait` must mention the `Self` type of the trait in `use<...>` - --> $DIR/forgot-to-capture-type.rs:8:17 + --> $DIR/forgot-to-capture-type.rs:7:17 | LL | trait Foo { | --------- `Self` type parameter is implicitly captured by this `impl Trait` @@ -27,5 +18,5 @@ LL | fn bar() -> impl Sized + use<>; | = note: currently, all type parameters are required to be mentioned in the precise captures list -error: aborting due to 2 previous errors; 1 warning emitted +error: aborting due to 2 previous errors diff --git a/tests/ui/impl-trait/precise-capturing/higher-ranked.rs b/tests/ui/impl-trait/precise-capturing/higher-ranked.rs index 7c8038600d13..21ac19640bcd 100644 --- a/tests/ui/impl-trait/precise-capturing/higher-ranked.rs +++ b/tests/ui/impl-trait/precise-capturing/higher-ranked.rs @@ -3,7 +3,6 @@ // Show how precise captures allow us to skip capturing a higher-ranked lifetime #![feature(lifetime_capture_rules_2024, precise_capturing)] -//~^ WARN the feature `precise_capturing` is incomplete trait Trait<'a> { type Item; diff --git a/tests/ui/impl-trait/precise-capturing/higher-ranked.stderr b/tests/ui/impl-trait/precise-capturing/higher-ranked.stderr deleted file mode 100644 index e48d6d42af07..000000000000 --- a/tests/ui/impl-trait/precise-capturing/higher-ranked.stderr +++ /dev/null @@ -1,11 +0,0 @@ -warning: the feature `precise_capturing` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/higher-ranked.rs:5:41 - | -LL | #![feature(lifetime_capture_rules_2024, precise_capturing)] - | ^^^^^^^^^^^^^^^^^ - | - = note: see issue #123432 for more information - = note: `#[warn(incomplete_features)]` on by default - -warning: 1 warning emitted - diff --git a/tests/ui/impl-trait/precise-capturing/illegal-positions.pre_expansion.stderr b/tests/ui/impl-trait/precise-capturing/illegal-positions.pre_expansion.stderr deleted file mode 100644 index 7364dc7ffcf5..000000000000 --- a/tests/ui/impl-trait/precise-capturing/illegal-positions.pre_expansion.stderr +++ /dev/null @@ -1,11 +0,0 @@ -warning: the feature `precise_capturing` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/illegal-positions.rs:5:12 - | -LL | #![feature(precise_capturing)] - | ^^^^^^^^^^^^^^^^^ - | - = note: see issue #123432 for more information - = note: `#[warn(incomplete_features)]` on by default - -warning: 1 warning emitted - diff --git a/tests/ui/impl-trait/precise-capturing/illegal-positions.real.stderr b/tests/ui/impl-trait/precise-capturing/illegal-positions.real.stderr index 35fda00a7cb6..2b234bcb6a50 100644 --- a/tests/ui/impl-trait/precise-capturing/illegal-positions.real.stderr +++ b/tests/ui/impl-trait/precise-capturing/illegal-positions.real.stderr @@ -1,66 +1,57 @@ error: `use<...>` precise capturing syntax not allowed in supertrait bounds - --> $DIR/illegal-positions.rs:9:12 + --> $DIR/illegal-positions.rs:8:12 | LL | trait Foo: use<> { | ^^^^^ error: `use<...>` precise capturing syntax not allowed in bounds - --> $DIR/illegal-positions.rs:11:33 + --> $DIR/illegal-positions.rs:10:33 | LL | type Assoc: use<> where (): use<>; | ^^^^^ error: `use<...>` precise capturing syntax not allowed in bounds - --> $DIR/illegal-positions.rs:11:17 + --> $DIR/illegal-positions.rs:10:17 | LL | type Assoc: use<> where (): use<>; | ^^^^^ error: `use<...>` precise capturing syntax not allowed in bounds - --> $DIR/illegal-positions.rs:17:11 + --> $DIR/illegal-positions.rs:16:11 | LL | fn fun>(_: impl use<>) where (): use<> {} | ^^^^^ error: `use<...>` precise capturing syntax not allowed in bounds - --> $DIR/illegal-positions.rs:17:43 + --> $DIR/illegal-positions.rs:16:43 | LL | fn fun>(_: impl use<>) where (): use<> {} | ^^^^^ error: at least one trait must be specified - --> $DIR/illegal-positions.rs:17:21 + --> $DIR/illegal-positions.rs:16:21 | LL | fn fun>(_: impl use<>) where (): use<> {} | ^^^^^^^^^^ error: `use<...>` precise capturing syntax not allowed in `dyn` trait object bounds - --> $DIR/illegal-positions.rs:24:25 + --> $DIR/illegal-positions.rs:23:25 | LL | fn dynamic() -> Box> {} | ^^^^^ -warning: the feature `precise_capturing` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/illegal-positions.rs:5:12 - | -LL | #![feature(precise_capturing)] - | ^^^^^^^^^^^^^^^^^ - | - = note: see issue #123432 for more information - = note: `#[warn(incomplete_features)]` on by default - error: `use<...>` precise capturing syntax not allowed in argument-position `impl Trait` - --> $DIR/illegal-positions.rs:17:26 + --> $DIR/illegal-positions.rs:16:26 | LL | fn fun>(_: impl use<>) where (): use<> {} | ^^^^^ error[E0224]: at least one trait is required for an object type - --> $DIR/illegal-positions.rs:24:21 + --> $DIR/illegal-positions.rs:23:21 | LL | fn dynamic() -> Box> {} | ^^^^^^^^^ -error: aborting due to 9 previous errors; 1 warning emitted +error: aborting due to 9 previous errors For more information about this error, try `rustc --explain E0224`. diff --git a/tests/ui/impl-trait/precise-capturing/illegal-positions.rs b/tests/ui/impl-trait/precise-capturing/illegal-positions.rs index 58f7a02cd87e..681458e25f80 100644 --- a/tests/ui/impl-trait/precise-capturing/illegal-positions.rs +++ b/tests/ui/impl-trait/precise-capturing/illegal-positions.rs @@ -3,7 +3,6 @@ //@ edition: 2021 #![feature(precise_capturing)] -//~^ WARN the feature `precise_capturing` is incomplete #[cfg(real)] trait Foo: use<> { diff --git a/tests/ui/impl-trait/precise-capturing/ordering.rs b/tests/ui/impl-trait/precise-capturing/ordering.rs index ff326ae6d023..eb570a120cc4 100644 --- a/tests/ui/impl-trait/precise-capturing/ordering.rs +++ b/tests/ui/impl-trait/precise-capturing/ordering.rs @@ -1,5 +1,4 @@ #![feature(precise_capturing)] -//~^ WARN the feature `precise_capturing` is incomplete fn lt<'a>() -> impl Sized + use<'a, 'a> {} //~^ ERROR cannot capture parameter `'a` twice diff --git a/tests/ui/impl-trait/precise-capturing/ordering.stderr b/tests/ui/impl-trait/precise-capturing/ordering.stderr index 65059b854b37..ecd47159059b 100644 --- a/tests/ui/impl-trait/precise-capturing/ordering.stderr +++ b/tests/ui/impl-trait/precise-capturing/ordering.stderr @@ -1,37 +1,28 @@ -warning: the feature `precise_capturing` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/ordering.rs:1:12 - | -LL | #![feature(precise_capturing)] - | ^^^^^^^^^^^^^^^^^ - | - = note: see issue #123432 for more information - = note: `#[warn(incomplete_features)]` on by default - error: cannot capture parameter `'a` twice - --> $DIR/ordering.rs:4:33 + --> $DIR/ordering.rs:3:33 | LL | fn lt<'a>() -> impl Sized + use<'a, 'a> {} | ^^ -- parameter captured again here error: cannot capture parameter `T` twice - --> $DIR/ordering.rs:7:32 + --> $DIR/ordering.rs:6:32 | LL | fn ty() -> impl Sized + use {} | ^ - parameter captured again here error: cannot capture parameter `N` twice - --> $DIR/ordering.rs:10:45 + --> $DIR/ordering.rs:9:45 | LL | fn ct() -> impl Sized + use {} | ^ - parameter captured again here error: lifetime parameter `'a` must be listed before non-lifetime parameters - --> $DIR/ordering.rs:13:45 + --> $DIR/ordering.rs:12:45 | LL | fn ordering<'a, T>() -> impl Sized + use {} | - ^^ | | | move the lifetime before this parameter -error: aborting due to 4 previous errors; 1 warning emitted +error: aborting due to 4 previous errors diff --git a/tests/ui/impl-trait/precise-capturing/outlives.rs b/tests/ui/impl-trait/precise-capturing/outlives.rs index c316a869ec5b..26ac922b5b9d 100644 --- a/tests/ui/impl-trait/precise-capturing/outlives.rs +++ b/tests/ui/impl-trait/precise-capturing/outlives.rs @@ -3,7 +3,6 @@ // Show that precise captures allow us to skip a lifetime param for outlives #![feature(lifetime_capture_rules_2024, precise_capturing)] -//~^ WARN the feature `precise_capturing` is incomplete fn hello<'a: 'a, 'b: 'b>() -> impl Sized + use<'a> { } diff --git a/tests/ui/impl-trait/precise-capturing/outlives.stderr b/tests/ui/impl-trait/precise-capturing/outlives.stderr deleted file mode 100644 index 405c09cccd94..000000000000 --- a/tests/ui/impl-trait/precise-capturing/outlives.stderr +++ /dev/null @@ -1,11 +0,0 @@ -warning: the feature `precise_capturing` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/outlives.rs:5:41 - | -LL | #![feature(lifetime_capture_rules_2024, precise_capturing)] - | ^^^^^^^^^^^^^^^^^ - | - = note: see issue #123432 for more information - = note: `#[warn(incomplete_features)]` on by default - -warning: 1 warning emitted - diff --git a/tests/ui/impl-trait/precise-capturing/redundant.rs b/tests/ui/impl-trait/precise-capturing/redundant.rs index 30acfe77e2e3..99c128fdc482 100644 --- a/tests/ui/impl-trait/precise-capturing/redundant.rs +++ b/tests/ui/impl-trait/precise-capturing/redundant.rs @@ -2,7 +2,6 @@ //@ check-pass #![feature(precise_capturing)] -//~^ WARN the feature `precise_capturing` is incomplete fn hello<'a>() -> impl Sized + use<'a> {} //~^ WARN all possible in-scope parameters are already captured diff --git a/tests/ui/impl-trait/precise-capturing/redundant.stderr b/tests/ui/impl-trait/precise-capturing/redundant.stderr index d100fd02053e..274d9d2375f7 100644 --- a/tests/ui/impl-trait/precise-capturing/redundant.stderr +++ b/tests/ui/impl-trait/precise-capturing/redundant.stderr @@ -1,14 +1,5 @@ -warning: the feature `precise_capturing` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/redundant.rs:4:12 - | -LL | #![feature(precise_capturing)] - | ^^^^^^^^^^^^^^^^^ - | - = note: see issue #123432 for more information - = note: `#[warn(incomplete_features)]` on by default - warning: all possible in-scope parameters are already captured, so `use<...>` syntax is redundant - --> $DIR/redundant.rs:7:19 + --> $DIR/redundant.rs:6:19 | LL | fn hello<'a>() -> impl Sized + use<'a> {} | ^^^^^^^^^^^^^------- @@ -18,7 +9,7 @@ LL | fn hello<'a>() -> impl Sized + use<'a> {} = note: `#[warn(impl_trait_redundant_captures)]` on by default warning: all possible in-scope parameters are already captured, so `use<...>` syntax is redundant - --> $DIR/redundant.rs:12:27 + --> $DIR/redundant.rs:11:27 | LL | fn inherent(&self) -> impl Sized + use<'_> {} | ^^^^^^^^^^^^^------- @@ -26,7 +17,7 @@ LL | fn inherent(&self) -> impl Sized + use<'_> {} | help: remove the `use<...>` syntax warning: all possible in-scope parameters are already captured, so `use<...>` syntax is redundant - --> $DIR/redundant.rs:17:22 + --> $DIR/redundant.rs:16:22 | LL | fn in_trait() -> impl Sized + use<'a, Self>; | ^^^^^^^^^^^^^------------- @@ -34,12 +25,12 @@ LL | fn in_trait() -> impl Sized + use<'a, Self>; | help: remove the `use<...>` syntax warning: all possible in-scope parameters are already captured, so `use<...>` syntax is redundant - --> $DIR/redundant.rs:21:22 + --> $DIR/redundant.rs:20:22 | LL | fn in_trait() -> impl Sized + use<'a> {} | ^^^^^^^^^^^^^------- | | | help: remove the `use<...>` syntax -warning: 5 warnings emitted +warning: 4 warnings emitted diff --git a/tests/ui/impl-trait/precise-capturing/self-capture.rs b/tests/ui/impl-trait/precise-capturing/self-capture.rs index 1dbbcadff6d6..e0a4a8b658c5 100644 --- a/tests/ui/impl-trait/precise-capturing/self-capture.rs +++ b/tests/ui/impl-trait/precise-capturing/self-capture.rs @@ -1,7 +1,6 @@ //@ check-pass #![feature(precise_capturing)] -//~^ WARN the feature `precise_capturing` is incomplete trait Foo { fn bar<'a>() -> impl Sized + use; diff --git a/tests/ui/impl-trait/precise-capturing/self-capture.stderr b/tests/ui/impl-trait/precise-capturing/self-capture.stderr deleted file mode 100644 index 5a058c6826d2..000000000000 --- a/tests/ui/impl-trait/precise-capturing/self-capture.stderr +++ /dev/null @@ -1,11 +0,0 @@ -warning: the feature `precise_capturing` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/self-capture.rs:3:12 - | -LL | #![feature(precise_capturing)] - | ^^^^^^^^^^^^^^^^^ - | - = note: see issue #123432 for more information - = note: `#[warn(incomplete_features)]` on by default - -warning: 1 warning emitted - From 475b63fa283efc4b5aafd8ddfde69229204dd059 Mon Sep 17 00:00:00 2001 From: Trevor Gross Date: Mon, 17 Jun 2024 22:56:12 -0500 Subject: [PATCH 1660/1716] Add `/rustc-ice*/ to `.gitignore` --- .gitignore | 1 + 1 file changed, 1 insertion(+) diff --git a/.gitignore b/.gitignore index 485968d9c56f..87d02563ed04 100644 --- a/.gitignore +++ b/.gitignore @@ -52,6 +52,7 @@ build/ /src/tools/x/target # Created by default with `src/ci/docker/run.sh` /obj/ +/rustc-ice* ## Temporary files *~ From 605b61534a226d1d03d9932c9e72fca97a9c8972 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Tue, 18 Jun 2024 16:20:32 +1000 Subject: [PATCH 1661/1716] Create `tests/ui/coverage-attr/` --- tests/ui/{lint => coverage-attr}/no-coverage.rs | 0 tests/ui/{lint => coverage-attr}/no-coverage.stderr | 0 2 files changed, 0 insertions(+), 0 deletions(-) rename tests/ui/{lint => coverage-attr}/no-coverage.rs (100%) rename tests/ui/{lint => coverage-attr}/no-coverage.stderr (100%) diff --git a/tests/ui/lint/no-coverage.rs b/tests/ui/coverage-attr/no-coverage.rs similarity index 100% rename from tests/ui/lint/no-coverage.rs rename to tests/ui/coverage-attr/no-coverage.rs diff --git a/tests/ui/lint/no-coverage.stderr b/tests/ui/coverage-attr/no-coverage.stderr similarity index 100% rename from tests/ui/lint/no-coverage.stderr rename to tests/ui/coverage-attr/no-coverage.stderr From 9a084e6310671aa0e3e35efb73953eeef8092d7d Mon Sep 17 00:00:00 2001 From: Zalathar Date: Tue, 18 Jun 2024 18:18:15 +1000 Subject: [PATCH 1662/1716] Add a more thorough test of incorrect/unusal `#[coverage(..)]` syntax This test reflects the current implementation behaviour, which is not necessarily the desired behaviour. --- tests/ui/coverage-attr/bad-syntax.rs | 58 ++++++++++++++++++ tests/ui/coverage-attr/bad-syntax.stderr | 78 ++++++++++++++++++++++++ 2 files changed, 136 insertions(+) create mode 100644 tests/ui/coverage-attr/bad-syntax.rs create mode 100644 tests/ui/coverage-attr/bad-syntax.stderr diff --git a/tests/ui/coverage-attr/bad-syntax.rs b/tests/ui/coverage-attr/bad-syntax.rs new file mode 100644 index 000000000000..8783714992b7 --- /dev/null +++ b/tests/ui/coverage-attr/bad-syntax.rs @@ -0,0 +1,58 @@ +#![feature(coverage_attribute)] + +// Tests the error messages produced (or not produced) by various unusual +// uses of the `#[coverage(..)]` attribute. + +// FIXME(#84605): Multiple coverage attributes with the same value are useless, +// and should probably produce a diagnostic. +#[coverage(off)] +#[coverage(off)] +fn multiple_consistent() {} + +// FIXME(#84605): When there are multiple inconsistent coverage attributes, +// it's unclear which one will prevail. +#[coverage(off)] +#[coverage(on)] +fn multiple_inconsistent() {} + +#[coverage] //~ ERROR expected `coverage(off)` or `coverage(on)` +fn bare_word() {} + +// FIXME(#84605): This shows as multiple different errors, one of which suggests +// writing bare `#[coverage]`, which is not allowed. +#[coverage = true] +//~^ ERROR expected `coverage(off)` or `coverage(on)` +//~| ERROR malformed `coverage` attribute input +//~| HELP the following are the possible correct uses +//~| SUGGESTION #[coverage(on|off)] +fn key_value() {} + +#[coverage()] //~ ERROR expected `coverage(off)` or `coverage(on)` +fn list_empty() {} + +#[coverage(off, off)] //~ ERROR expected `coverage(off)` or `coverage(on)` +fn list_consistent() {} + +#[coverage(off, on)] //~ ERROR expected `coverage(off)` or `coverage(on)` +fn list_inconsistent() {} + +#[coverage(bogus)] //~ ERROR expected `coverage(off)` or `coverage(on)` +fn bogus_word() {} + +#[coverage(bogus, off)] //~ ERROR expected `coverage(off)` or `coverage(on)` +fn bogus_word_before() {} + +#[coverage(off, bogus)] //~ ERROR expected `coverage(off)` or `coverage(on)` +fn bogus_word_after() {} + +#[coverage(off,)] +fn comma_after() {} + +// FIXME(#84605): This shows as multiple different errors. +#[coverage(,off)] +//~^ ERROR expected identifier, found `,` +//~| HELP remove this comma +//~| ERROR expected `coverage(off)` or `coverage(on)` +fn comma_before() {} + +fn main() {} diff --git a/tests/ui/coverage-attr/bad-syntax.stderr b/tests/ui/coverage-attr/bad-syntax.stderr new file mode 100644 index 000000000000..f6181d12a946 --- /dev/null +++ b/tests/ui/coverage-attr/bad-syntax.stderr @@ -0,0 +1,78 @@ +error: malformed `coverage` attribute input + --> $DIR/bad-syntax.rs:23:1 + | +LL | #[coverage = true] + | ^^^^^^^^^^^^^^^^^^ + | +help: the following are the possible correct uses + | +LL | #[coverage(on|off)] + | +LL | #[coverage] + | + +error: expected identifier, found `,` + --> $DIR/bad-syntax.rs:52:12 + | +LL | #[coverage(,off)] + | ^ + | | + | expected identifier + | help: remove this comma + +error: expected `coverage(off)` or `coverage(on)` + --> $DIR/bad-syntax.rs:18:1 + | +LL | #[coverage] + | ^^^^^^^^^^^ + +error: expected `coverage(off)` or `coverage(on)` + --> $DIR/bad-syntax.rs:23:1 + | +LL | #[coverage = true] + | ^^^^^^^^^^^^^^^^^^ + +error: expected `coverage(off)` or `coverage(on)` + --> $DIR/bad-syntax.rs:30:1 + | +LL | #[coverage()] + | ^^^^^^^^^^^^^ + +error: expected `coverage(off)` or `coverage(on)` + --> $DIR/bad-syntax.rs:33:1 + | +LL | #[coverage(off, off)] + | ^^^^^^^^^^^^^^^^^^^^^ + +error: expected `coverage(off)` or `coverage(on)` + --> $DIR/bad-syntax.rs:36:1 + | +LL | #[coverage(off, on)] + | ^^^^^^^^^^^^^^^^^^^^ + +error: expected `coverage(off)` or `coverage(on)` + --> $DIR/bad-syntax.rs:39:1 + | +LL | #[coverage(bogus)] + | ^^^^^^^^^^^^^^^^^^ + +error: expected `coverage(off)` or `coverage(on)` + --> $DIR/bad-syntax.rs:42:1 + | +LL | #[coverage(bogus, off)] + | ^^^^^^^^^^^^^^^^^^^^^^^ + +error: expected `coverage(off)` or `coverage(on)` + --> $DIR/bad-syntax.rs:45:1 + | +LL | #[coverage(off, bogus)] + | ^^^^^^^^^^^^^^^^^^^^^^^ + +error: expected `coverage(off)` or `coverage(on)` + --> $DIR/bad-syntax.rs:52:1 + | +LL | #[coverage(,off)] + | ^^^^^^^^^^^^^^^^^ + +error: aborting due to 11 previous errors + From af10880f6b4a56e5f9a3c458878772f8eda19544 Mon Sep 17 00:00:00 2001 From: Daria Sukhonina Date: Mon, 17 Jun 2024 17:00:45 +0300 Subject: [PATCH 1663/1716] Make async drop code more consistent with regular drop code Fixes #126573 --- .../src/back/symbol_export.rs | 19 ++++++++--- compiler/rustc_middle/src/query/mod.rs | 33 +++++++++++++++---- compiler/rustc_middle/src/ty/instance.rs | 28 ++++++++++++++-- .../cfi/typeid/itanium_cxx_abi/transform.rs | 1 + 4 files changed, 67 insertions(+), 14 deletions(-) diff --git a/compiler/rustc_codegen_ssa/src/back/symbol_export.rs b/compiler/rustc_codegen_ssa/src/back/symbol_export.rs index 1d61c1564091..c868904c5511 100644 --- a/compiler/rustc_codegen_ssa/src/back/symbol_export.rs +++ b/compiler/rustc_codegen_ssa/src/back/symbol_export.rs @@ -371,7 +371,7 @@ fn exported_symbols_provider_local( }) => { // A little sanity-check debug_assert_eq!( - args.non_erasable_generics(tcx, def_id).skip(1).next(), + args.non_erasable_generics(tcx, def_id).next(), Some(GenericArgKind::Type(ty)) ); symbols.push(( @@ -422,10 +422,7 @@ fn upstream_monomorphizations_provider( } ExportedSymbol::AsyncDropGlueCtorShim(ty) => { if let Some(async_drop_in_place_fn_def_id) = async_drop_in_place_fn_def_id { - ( - async_drop_in_place_fn_def_id, - tcx.mk_args(&[tcx.lifetimes.re_erased.into(), ty.into()]), - ) + (async_drop_in_place_fn_def_id, tcx.mk_args(&[ty.into()])) } else { // `drop_in_place` in place does not exist, don't try // to use it. @@ -480,6 +477,17 @@ fn upstream_drop_glue_for_provider<'tcx>( } } +fn upstream_async_drop_glue_for_provider<'tcx>( + tcx: TyCtxt<'tcx>, + args: GenericArgsRef<'tcx>, +) -> Option { + if let Some(def_id) = tcx.lang_items().async_drop_in_place_fn() { + tcx.upstream_monomorphizations_for(def_id).and_then(|monos| monos.get(&args).cloned()) + } else { + None + } +} + fn is_unreachable_local_definition_provider(tcx: TyCtxt<'_>, def_id: LocalDefId) -> bool { !tcx.reachable_set(()).contains(&def_id) } @@ -491,6 +499,7 @@ pub fn provide(providers: &mut Providers) { providers.upstream_monomorphizations = upstream_monomorphizations_provider; providers.is_unreachable_local_definition = is_unreachable_local_definition_provider; providers.upstream_drop_glue_for = upstream_drop_glue_for_provider; + providers.upstream_async_drop_glue_for = upstream_async_drop_glue_for_provider; providers.wasm_import_module_map = wasm_import_module_map; providers.extern_queries.is_reachable_non_generic = is_reachable_non_generic_provider_extern; providers.extern_queries.upstream_monomorphizations_for = diff --git a/compiler/rustc_middle/src/query/mod.rs b/compiler/rustc_middle/src/query/mod.rs index 0f08694c4eab..c5afecffb07a 100644 --- a/compiler/rustc_middle/src/query/mod.rs +++ b/compiler/rustc_middle/src/query/mod.rs @@ -1554,12 +1554,13 @@ rustc_queries! { } } - /// The entire set of monomorphizations the local crate can safely link - /// to because they are exported from upstream crates. Do not depend on - /// this directly, as its value changes anytime a monomorphization gets - /// added or removed in any upstream crate. Instead use the narrower - /// `upstream_monomorphizations_for`, `upstream_drop_glue_for`, or, even - /// better, `Instance::upstream_monomorphization()`. + /// The entire set of monomorphizations the local crate can safely + /// link to because they are exported from upstream crates. Do + /// not depend on this directly, as its value changes anytime + /// a monomorphization gets added or removed in any upstream + /// crate. Instead use the narrower `upstream_monomorphizations_for`, + /// `upstream_drop_glue_for`, `upstream_async_drop_glue_for`, or, + /// even better, `Instance::upstream_monomorphization()`. query upstream_monomorphizations(_: ()) -> &'tcx DefIdMap, CrateNum>> { arena_cache desc { "collecting available upstream monomorphizations" } @@ -1601,6 +1602,26 @@ rustc_queries! { desc { "available upstream drop-glue for `{:?}`", args } } + /// Returns the upstream crate that exports async-drop-glue for + /// the given type (`args` is expected to be a single-item list + /// containing the type one wants async-drop-glue for). + /// + /// This is a subset of `upstream_monomorphizations_for` in order + /// to increase dep-tracking granularity. Otherwise adding or + /// removing any type with async-drop-glue in any upstream crate + /// would invalidate all functions calling async-drop-glue of an + /// upstream type. + /// + /// You likely want to call `Instance::upstream_monomorphization()` + /// instead of invoking this query directly. + /// + /// NOTE: This query could easily be extended to also support other + /// common functions that have are large set of monomorphizations + /// (like `Clone::clone` for example). + query upstream_async_drop_glue_for(args: GenericArgsRef<'tcx>) -> Option { + desc { "available upstream async-drop-glue for `{:?}`", args } + } + /// Returns a list of all `extern` blocks of a crate. query foreign_modules(_: CrateNum) -> &'tcx FxIndexMap { arena_cache diff --git a/compiler/rustc_middle/src/ty/instance.rs b/compiler/rustc_middle/src/ty/instance.rs index 5718264c9446..099b14cca9ce 100644 --- a/compiler/rustc_middle/src/ty/instance.rs +++ b/compiler/rustc_middle/src/ty/instance.rs @@ -219,8 +219,9 @@ impl<'tcx> Instance<'tcx> { InstanceKind::Item(def) => tcx .upstream_monomorphizations_for(def) .and_then(|monos| monos.get(&self.args).cloned()), - InstanceKind::DropGlue(_, Some(_)) | InstanceKind::AsyncDropGlueCtorShim(_, _) => { - tcx.upstream_drop_glue_for(self.args) + InstanceKind::DropGlue(_, Some(_)) => tcx.upstream_drop_glue_for(self.args), + InstanceKind::AsyncDropGlueCtorShim(_, Some(_)) => { + tcx.upstream_async_drop_glue_for(self.args) } _ => None, } @@ -256,7 +257,7 @@ impl<'tcx> InstanceKind<'tcx> { match self { ty::InstanceKind::Item(def) => Some(def), ty::InstanceKind::DropGlue(def_id, Some(_)) - | InstanceKind::AsyncDropGlueCtorShim(def_id, _) + | InstanceKind::AsyncDropGlueCtorShim(def_id, Some(_)) | InstanceKind::ThreadLocalShim(def_id) => Some(def_id), InstanceKind::VTableShim(..) | InstanceKind::ReifyShim(..) @@ -267,6 +268,7 @@ impl<'tcx> InstanceKind<'tcx> { | ty::InstanceKind::ConstructCoroutineInClosureShim { .. } | ty::InstanceKind::CoroutineKindShim { .. } | InstanceKind::DropGlue(..) + | InstanceKind::AsyncDropGlueCtorShim(..) | InstanceKind::CloneShim(..) | InstanceKind::FnPtrAddrShim(..) => None, } @@ -332,6 +334,26 @@ impl<'tcx> InstanceKind<'tcx> { .map_or_else(|| adt_def.is_enum(), |dtor| tcx.cross_crate_inlinable(dtor.did)) }); } + if let ty::InstanceKind::AsyncDropGlueCtorShim(.., Some(ty)) = *self { + // Async drop glue generally wants to be instantiated at + // every codegen unit, but without an #[inline] hint. We + // should make this available to normal end-users. + if tcx.sess.opts.incremental.is_none() { + return true; + } + // When compiling with incremental, we can generate a *lot* of + // codegen units. Including drop glue into all of them has a + // considerable compile time cost. + // + // We include enums without destructors to allow, say, optimizing + // drops of `Option::None` before LTO. We also respect the intent of + // `#[inline]` on `Drop::drop` implementations. + return ty.ty_adt_def().map_or(true, |adt_def| { + adt_def + .async_destructor(tcx) + .map_or_else(|| adt_def.is_enum(), |dtor| tcx.cross_crate_inlinable(dtor.ctor)) + }); + } if let ty::InstanceKind::ThreadLocalShim(..) = *self { return false; } diff --git a/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/transform.rs b/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/transform.rs index 832efb119992..742ec4c377cc 100644 --- a/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/transform.rs +++ b/compiler/rustc_sanitizers/src/cfi/typeid/itanium_cxx_abi/transform.rs @@ -288,6 +288,7 @@ pub fn transform_instance<'tcx>( mut instance: Instance<'tcx>, options: TransformTyOptions, ) -> Instance<'tcx> { + // FIXME: account for async-drop-glue if (matches!(instance.def, ty::InstanceKind::Virtual(..)) && tcx.is_lang_item(instance.def_id(), LangItem::DropInPlace)) || matches!(instance.def, ty::InstanceKind::DropGlue(..)) From 50936586323eefb6504945f444fe9e4928f2bb86 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Tue, 18 Jun 2024 20:02:21 +1000 Subject: [PATCH 1664/1716] Add more thorough coverage tests for `#[coverage(..)]` in nested functions These tests reflect the current implementation behaviour, which is not necessarily the desired behaviour. --- tests/coverage/attr/nested.cov-map | 100 +++++++++++++++++ tests/coverage/attr/nested.coverage | 111 +++++++++++++++++++ tests/coverage/attr/nested.rs | 110 ++++++++++++++++++ tests/coverage/attr/off-on-sandwich.cov-map | 32 ++++++ tests/coverage/attr/off-on-sandwich.coverage | 58 ++++++++++ tests/coverage/attr/off-on-sandwich.rs | 57 ++++++++++ 6 files changed, 468 insertions(+) create mode 100644 tests/coverage/attr/nested.cov-map create mode 100644 tests/coverage/attr/nested.coverage create mode 100644 tests/coverage/attr/nested.rs create mode 100644 tests/coverage/attr/off-on-sandwich.cov-map create mode 100644 tests/coverage/attr/off-on-sandwich.coverage create mode 100644 tests/coverage/attr/off-on-sandwich.rs diff --git a/tests/coverage/attr/nested.cov-map b/tests/coverage/attr/nested.cov-map new file mode 100644 index 000000000000..a613bb7f8cdf --- /dev/null +++ b/tests/coverage/attr/nested.cov-map @@ -0,0 +1,100 @@ +Function name: <<::trait_method::MyMiddle as nested::MyTrait>::trait_method::MyInner as nested::MyTrait>::trait_method (unused) +Raw bytes (9): 0x[01, 01, 00, 01, 00, 39, 15, 02, 16] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 0 +Number of file 0 mappings: 1 +- Code(Zero) at (prev + 57, 21) to (start + 2, 22) + +Function name: <<::outer_method::MyMiddle>::middle_method::MyInner>::inner_method (unused) +Raw bytes (9): 0x[01, 01, 00, 01, 00, 23, 15, 02, 16] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 0 +Number of file 0 mappings: 1 +- Code(Zero) at (prev + 35, 21) to (start + 2, 22) + +Function name: <::trait_method::MyMiddle as nested::MyTrait>::trait_method (unused) +Raw bytes (9): 0x[01, 01, 00, 01, 00, 36, 0d, 08, 0e] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 0 +Number of file 0 mappings: 1 +- Code(Zero) at (prev + 54, 13) to (start + 8, 14) + +Function name: <::outer_method::MyMiddle>::middle_method (unused) +Raw bytes (9): 0x[01, 01, 00, 01, 00, 20, 0d, 08, 0e] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 0 +Number of file 0 mappings: 1 +- Code(Zero) at (prev + 32, 13) to (start + 8, 14) + +Function name: nested::closure_expr +Raw bytes (14): 0x[01, 01, 00, 02, 01, 44, 01, 01, 0f, 01, 0b, 05, 01, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 0 +Number of file 0 mappings: 2 +- Code(Counter(0)) at (prev + 68, 1) to (start + 1, 15) +- Code(Counter(0)) at (prev + 11, 5) to (start + 1, 2) + +Function name: nested::closure_expr::{closure#0}::{closure#0} (unused) +Raw bytes (14): 0x[01, 01, 00, 02, 00, 47, 1a, 01, 17, 00, 04, 0d, 01, 0a] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 0 +Number of file 0 mappings: 2 +- Code(Zero) at (prev + 71, 26) to (start + 1, 23) +- Code(Zero) at (prev + 4, 13) to (start + 1, 10) + +Function name: nested::closure_expr::{closure#0}::{closure#0}::{closure#0} (unused) +Raw bytes (9): 0x[01, 01, 00, 01, 00, 48, 1d, 02, 0e] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 0 +Number of file 0 mappings: 1 +- Code(Zero) at (prev + 72, 29) to (start + 2, 14) + +Function name: nested::closure_tail +Raw bytes (14): 0x[01, 01, 00, 02, 01, 53, 01, 01, 0f, 01, 11, 05, 01, 02] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 0 +Number of file 0 mappings: 2 +- Code(Counter(0)) at (prev + 83, 1) to (start + 1, 15) +- Code(Counter(0)) at (prev + 17, 5) to (start + 1, 2) + +Function name: nested::closure_tail::{closure#0}::{closure#0} (unused) +Raw bytes (14): 0x[01, 01, 00, 02, 00, 58, 14, 01, 1f, 00, 06, 15, 01, 12] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 0 +Number of file 0 mappings: 2 +- Code(Zero) at (prev + 88, 20) to (start + 1, 31) +- Code(Zero) at (prev + 6, 21) to (start + 1, 18) + +Function name: nested::closure_tail::{closure#0}::{closure#0}::{closure#0} (unused) +Raw bytes (9): 0x[01, 01, 00, 01, 00, 5a, 1c, 02, 1a] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 0 +Number of file 0 mappings: 1 +- Code(Zero) at (prev + 90, 28) to (start + 2, 26) + +Function name: nested::outer_fn::middle_fn (unused) +Raw bytes (9): 0x[01, 01, 00, 01, 00, 11, 05, 05, 06] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 0 +Number of file 0 mappings: 1 +- Code(Zero) at (prev + 17, 5) to (start + 5, 6) + +Function name: nested::outer_fn::middle_fn::inner_fn (unused) +Raw bytes (9): 0x[01, 01, 00, 01, 00, 12, 09, 02, 0a] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 0 +Number of file 0 mappings: 1 +- Code(Zero) at (prev + 18, 9) to (start + 2, 10) + diff --git a/tests/coverage/attr/nested.coverage b/tests/coverage/attr/nested.coverage new file mode 100644 index 000000000000..13129572aec7 --- /dev/null +++ b/tests/coverage/attr/nested.coverage @@ -0,0 +1,111 @@ + LL| |#![feature(coverage_attribute, stmt_expr_attributes)] + LL| |//@ edition: 2021 + LL| | + LL| |// Demonstrates the interaction between #[coverage(off)] and various kinds of + LL| |// nested function. + LL| | + LL| |// FIXME(#126625): Coverage attributes should apply recursively to nested functions. + LL| |// FIXME(#126626): When an inner (non-closure) function has `#[coverage(off)]`, + LL| |// its lines can still be marked with misleading execution counts from its enclosing + LL| |// function. + LL| | + LL| |#[coverage(off)] + LL| |fn do_stuff() {} + LL| | + LL| |#[coverage(off)] + LL| |fn outer_fn() { + LL| 0| fn middle_fn() { + LL| 0| fn inner_fn() { + LL| 0| do_stuff(); + LL| 0| } + LL| 0| do_stuff(); + LL| 0| } + LL| | do_stuff(); + LL| |} + LL| | + LL| |struct MyOuter; + LL| |impl MyOuter { + LL| | #[coverage(off)] + LL| | fn outer_method(&self) { + LL| | struct MyMiddle; + LL| | impl MyMiddle { + LL| 0| fn middle_method(&self) { + LL| 0| struct MyInner; + LL| 0| impl MyInner { + LL| 0| fn inner_method(&self) { + LL| 0| do_stuff(); + LL| 0| } + LL| 0| } + LL| 0| do_stuff(); + LL| 0| } + LL| | } + LL| | do_stuff(); + LL| | } + LL| |} + LL| | + LL| |trait MyTrait { + LL| | fn trait_method(&self); + LL| |} + LL| |impl MyTrait for MyOuter { + LL| | #[coverage(off)] + LL| | fn trait_method(&self) { + LL| | struct MyMiddle; + LL| | impl MyTrait for MyMiddle { + LL| 0| fn trait_method(&self) { + LL| 0| struct MyInner; + LL| 0| impl MyTrait for MyInner { + LL| 0| fn trait_method(&self) { + LL| 0| do_stuff(); + LL| 0| } + LL| 0| } + LL| 0| do_stuff(); + LL| 0| } + LL| | } + LL| | do_stuff(); + LL| | } + LL| |} + LL| | + LL| 1|fn closure_expr() { + LL| 1| let _outer = #[coverage(off)] + LL| | || { + LL| 0| let _middle = || { + LL| 0| let _inner = || { + LL| 0| do_stuff(); + LL| 0| }; + LL| 0| do_stuff(); + LL| 0| }; + LL| | do_stuff(); + LL| | }; + LL| 1| do_stuff(); + LL| 1|} + LL| | + LL| |// This syntax is allowed, even without #![feature(stmt_expr_attributes)]. + LL| 1|fn closure_tail() { + LL| 1| let _outer = { + LL| | #[coverage(off)] + LL| | || { + LL| | let _middle = { + LL| 0| || { + LL| 0| let _inner = { + LL| 0| || { + LL| 0| do_stuff(); + LL| 0| } + LL| | }; + LL| 0| do_stuff(); + LL| 0| } + LL| | }; + LL| | do_stuff(); + LL| | } + LL| | }; + LL| 1| do_stuff(); + LL| 1|} + LL| | + LL| |#[coverage(off)] + LL| |fn main() { + LL| | outer_fn(); + LL| | MyOuter.outer_method(); + LL| | MyOuter.trait_method(); + LL| | closure_expr(); + LL| | closure_tail(); + LL| |} + diff --git a/tests/coverage/attr/nested.rs b/tests/coverage/attr/nested.rs new file mode 100644 index 000000000000..c7ff835f44f3 --- /dev/null +++ b/tests/coverage/attr/nested.rs @@ -0,0 +1,110 @@ +#![feature(coverage_attribute, stmt_expr_attributes)] +//@ edition: 2021 + +// Demonstrates the interaction between #[coverage(off)] and various kinds of +// nested function. + +// FIXME(#126625): Coverage attributes should apply recursively to nested functions. +// FIXME(#126626): When an inner (non-closure) function has `#[coverage(off)]`, +// its lines can still be marked with misleading execution counts from its enclosing +// function. + +#[coverage(off)] +fn do_stuff() {} + +#[coverage(off)] +fn outer_fn() { + fn middle_fn() { + fn inner_fn() { + do_stuff(); + } + do_stuff(); + } + do_stuff(); +} + +struct MyOuter; +impl MyOuter { + #[coverage(off)] + fn outer_method(&self) { + struct MyMiddle; + impl MyMiddle { + fn middle_method(&self) { + struct MyInner; + impl MyInner { + fn inner_method(&self) { + do_stuff(); + } + } + do_stuff(); + } + } + do_stuff(); + } +} + +trait MyTrait { + fn trait_method(&self); +} +impl MyTrait for MyOuter { + #[coverage(off)] + fn trait_method(&self) { + struct MyMiddle; + impl MyTrait for MyMiddle { + fn trait_method(&self) { + struct MyInner; + impl MyTrait for MyInner { + fn trait_method(&self) { + do_stuff(); + } + } + do_stuff(); + } + } + do_stuff(); + } +} + +fn closure_expr() { + let _outer = #[coverage(off)] + || { + let _middle = || { + let _inner = || { + do_stuff(); + }; + do_stuff(); + }; + do_stuff(); + }; + do_stuff(); +} + +// This syntax is allowed, even without #![feature(stmt_expr_attributes)]. +fn closure_tail() { + let _outer = { + #[coverage(off)] + || { + let _middle = { + || { + let _inner = { + || { + do_stuff(); + } + }; + do_stuff(); + } + }; + do_stuff(); + } + }; + do_stuff(); +} + +#[coverage(off)] +fn main() { + outer_fn(); + MyOuter.outer_method(); + MyOuter.trait_method(); + closure_expr(); + closure_tail(); +} diff --git a/tests/coverage/attr/off-on-sandwich.cov-map b/tests/coverage/attr/off-on-sandwich.cov-map new file mode 100644 index 000000000000..72b96420cb56 --- /dev/null +++ b/tests/coverage/attr/off-on-sandwich.cov-map @@ -0,0 +1,32 @@ +Function name: off_on_sandwich::dense_a::dense_b +Raw bytes (9): 0x[01, 01, 00, 01, 01, 14, 05, 07, 06] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 0 +Number of file 0 mappings: 1 +- Code(Counter(0)) at (prev + 20, 5) to (start + 7, 6) + +Function name: off_on_sandwich::sparse_a::sparse_b +Raw bytes (9): 0x[01, 01, 00, 01, 01, 22, 05, 10, 06] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 0 +Number of file 0 mappings: 1 +- Code(Counter(0)) at (prev + 34, 5) to (start + 16, 6) + +Function name: off_on_sandwich::sparse_a::sparse_b::sparse_c +Raw bytes (9): 0x[01, 01, 00, 01, 01, 26, 09, 0b, 0a] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 0 +Number of file 0 mappings: 1 +- Code(Counter(0)) at (prev + 38, 9) to (start + 11, 10) + +Function name: off_on_sandwich::sparse_a::sparse_b::sparse_c::sparse_d +Raw bytes (9): 0x[01, 01, 00, 01, 01, 29, 0d, 07, 0e] +Number of files: 1 +- file 0 => global file 1 +Number of expressions: 0 +Number of file 0 mappings: 1 +- Code(Counter(0)) at (prev + 41, 13) to (start + 7, 14) + diff --git a/tests/coverage/attr/off-on-sandwich.coverage b/tests/coverage/attr/off-on-sandwich.coverage new file mode 100644 index 000000000000..e831b0e926e3 --- /dev/null +++ b/tests/coverage/attr/off-on-sandwich.coverage @@ -0,0 +1,58 @@ + LL| |#![feature(coverage_attribute)] + LL| |//@ edition: 2021 + LL| | + LL| |// Demonstrates the interaction of `#[coverage(off)]` and `#[coverage(on)]` + LL| |// in nested functions. + LL| | + LL| |// FIXME(#126625): Coverage attributes should apply recursively to nested functions. + LL| |// FIXME(#126626): When an inner (non-closure) function has `#[coverage(off)]`, + LL| |// its lines can still be marked with misleading execution counts from its enclosing + LL| |// function. + LL| | + LL| |#[coverage(off)] + LL| |fn do_stuff() {} + LL| | + LL| |#[coverage(off)] + LL| |fn dense_a() { + LL| | dense_b(); + LL| | dense_b(); + LL| | #[coverage(on)] + LL| 2| fn dense_b() { + LL| 2| dense_c(); + LL| 2| dense_c(); + LL| 2| #[coverage(off)] + LL| 2| fn dense_c() { + LL| 2| do_stuff(); + LL| 2| } + LL| 2| } + LL| |} + LL| | + LL| |#[coverage(off)] + LL| |fn sparse_a() { + LL| | sparse_b(); + LL| | sparse_b(); + LL| 2| fn sparse_b() { + LL| 2| sparse_c(); + LL| 2| sparse_c(); + LL| 2| #[coverage(on)] + LL| 4| fn sparse_c() { + LL| 4| sparse_d(); + LL| 4| sparse_d(); + LL| 8| fn sparse_d() { + LL| 8| sparse_e(); + LL| 8| sparse_e(); + LL| 8| #[coverage(off)] + LL| 8| fn sparse_e() { + LL| 8| do_stuff(); + LL| 8| } + LL| 8| } + LL| 4| } + LL| 2| } + LL| |} + LL| | + LL| |#[coverage(off)] + LL| |fn main() { + LL| | dense_a(); + LL| | sparse_a(); + LL| |} + diff --git a/tests/coverage/attr/off-on-sandwich.rs b/tests/coverage/attr/off-on-sandwich.rs new file mode 100644 index 000000000000..6b21b180223e --- /dev/null +++ b/tests/coverage/attr/off-on-sandwich.rs @@ -0,0 +1,57 @@ +#![feature(coverage_attribute)] +//@ edition: 2021 + +// Demonstrates the interaction of `#[coverage(off)]` and `#[coverage(on)]` +// in nested functions. + +// FIXME(#126625): Coverage attributes should apply recursively to nested functions. +// FIXME(#126626): When an inner (non-closure) function has `#[coverage(off)]`, +// its lines can still be marked with misleading execution counts from its enclosing +// function. + +#[coverage(off)] +fn do_stuff() {} + +#[coverage(off)] +fn dense_a() { + dense_b(); + dense_b(); + #[coverage(on)] + fn dense_b() { + dense_c(); + dense_c(); + #[coverage(off)] + fn dense_c() { + do_stuff(); + } + } +} + +#[coverage(off)] +fn sparse_a() { + sparse_b(); + sparse_b(); + fn sparse_b() { + sparse_c(); + sparse_c(); + #[coverage(on)] + fn sparse_c() { + sparse_d(); + sparse_d(); + fn sparse_d() { + sparse_e(); + sparse_e(); + #[coverage(off)] + fn sparse_e() { + do_stuff(); + } + } + } + } +} + +#[coverage(off)] +fn main() { + dense_a(); + sparse_a(); +} From 1a8eae1aba998af1b0fdc597c0e263d4d391b169 Mon Sep 17 00:00:00 2001 From: Daria Sukhonina Date: Tue, 18 Jun 2024 14:28:00 +0300 Subject: [PATCH 1665/1716] Apply suggestions from oli-obk's review Co-authored-by: Oli Scherer --- .../src/back/symbol_export.rs | 14 +++----- compiler/rustc_middle/src/ty/instance.rs | 35 ++++++------------- 2 files changed, 15 insertions(+), 34 deletions(-) diff --git a/compiler/rustc_codegen_ssa/src/back/symbol_export.rs b/compiler/rustc_codegen_ssa/src/back/symbol_export.rs index c868904c5511..6abe4fa1c380 100644 --- a/compiler/rustc_codegen_ssa/src/back/symbol_export.rs +++ b/compiler/rustc_codegen_ssa/src/back/symbol_export.rs @@ -470,22 +470,16 @@ fn upstream_drop_glue_for_provider<'tcx>( tcx: TyCtxt<'tcx>, args: GenericArgsRef<'tcx>, ) -> Option { - if let Some(def_id) = tcx.lang_items().drop_in_place_fn() { - tcx.upstream_monomorphizations_for(def_id).and_then(|monos| monos.get(&args).cloned()) - } else { - None - } + let def_id = tcx.lang_items().drop_in_place_fn()?; + tcx.upstream_monomorphizations_for(def_id)?.get(&args).cloned() } fn upstream_async_drop_glue_for_provider<'tcx>( tcx: TyCtxt<'tcx>, args: GenericArgsRef<'tcx>, ) -> Option { - if let Some(def_id) = tcx.lang_items().async_drop_in_place_fn() { - tcx.upstream_monomorphizations_for(def_id).and_then(|monos| monos.get(&args).cloned()) - } else { - None - } + let def_id = tcx.lang_items().async_drop_in_place_fn()?; + tcx.upstream_monomorphizations_for(def_id)?.get(&args).cloned() } fn is_unreachable_local_definition_provider(tcx: TyCtxt<'_>, def_id: LocalDefId) -> bool { diff --git a/compiler/rustc_middle/src/ty/instance.rs b/compiler/rustc_middle/src/ty/instance.rs index 099b14cca9ce..efaf9c7231bb 100644 --- a/compiler/rustc_middle/src/ty/instance.rs +++ b/compiler/rustc_middle/src/ty/instance.rs @@ -314,7 +314,9 @@ impl<'tcx> InstanceKind<'tcx> { if self.requires_inline(tcx) { return true; } - if let ty::InstanceKind::DropGlue(.., Some(ty)) = *self { + if let ty::InstanceKind::DropGlue(.., Some(ty)) + | ty::InstanceKind::AsyncDropGlueCtorShim(.., Some(ty)) = *self + { // Drop glue generally wants to be instantiated at every codegen // unit, but without an #[inline] hint. We should make this // available to normal end-users. @@ -329,29 +331,14 @@ impl<'tcx> InstanceKind<'tcx> { // drops of `Option::None` before LTO. We also respect the intent of // `#[inline]` on `Drop::drop` implementations. return ty.ty_adt_def().map_or(true, |adt_def| { - adt_def - .destructor(tcx) - .map_or_else(|| adt_def.is_enum(), |dtor| tcx.cross_crate_inlinable(dtor.did)) - }); - } - if let ty::InstanceKind::AsyncDropGlueCtorShim(.., Some(ty)) = *self { - // Async drop glue generally wants to be instantiated at - // every codegen unit, but without an #[inline] hint. We - // should make this available to normal end-users. - if tcx.sess.opts.incremental.is_none() { - return true; - } - // When compiling with incremental, we can generate a *lot* of - // codegen units. Including drop glue into all of them has a - // considerable compile time cost. - // - // We include enums without destructors to allow, say, optimizing - // drops of `Option::None` before LTO. We also respect the intent of - // `#[inline]` on `Drop::drop` implementations. - return ty.ty_adt_def().map_or(true, |adt_def| { - adt_def - .async_destructor(tcx) - .map_or_else(|| adt_def.is_enum(), |dtor| tcx.cross_crate_inlinable(dtor.ctor)) + match *self { + ty::InstanceKind::DropGlue(..) => adt_def.destructor(tcx).map(|dtor| dtor.did), + ty::InstanceKind::AsyncDropGlueCtorShim(..) => { + adt_def.async_destructor(tcx).map(|dtor| dtor.ctor) + } + _ => unreachable!(), + } + .map_or_else(|| adt_def.is_enum(), |did| tcx.cross_crate_inlinable(did)) }); } if let ty::InstanceKind::ThreadLocalShim(..) = *self { From 7e5893019cdaa94ebef30a14432db6eb62898500 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Tue, 18 Jun 2024 09:28:20 +0000 Subject: [PATCH 1666/1716] Use a more precise lifetime --- .../rustc_borrowck/src/diagnostics/conflict_errors.rs | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs index 6bc340e44f5b..3660632de8ce 100644 --- a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs @@ -996,7 +996,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { &self, err: &mut Diag<'_>, ty: Ty<'tcx>, - expr: &'cx hir::Expr<'cx>, + expr: &hir::Expr<'_>, ) { let typeck_results = self.infcx.tcx.typeck(self.mir_def_id()); let hir::ExprKind::Struct(struct_qpath, fields, Some(base)) = expr.kind else { return }; @@ -1084,8 +1084,8 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { &self, err: &mut Diag<'_>, ty: Ty<'tcx>, - mut expr: &'cx hir::Expr<'cx>, - mut other_expr: Option<&'cx hir::Expr<'cx>>, + mut expr: &'tcx hir::Expr<'tcx>, + mut other_expr: Option<&'tcx hir::Expr<'tcx>>, use_spans: Option>, ) { if let hir::ExprKind::Struct(_, _, Some(_)) = expr.kind { @@ -2016,7 +2016,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { ); } - pub(crate) fn find_expr(&self, span: Span) -> Option<&hir::Expr<'_>> { + pub(crate) fn find_expr(&self, span: Span) -> Option<&'tcx hir::Expr<'tcx>> { let tcx = self.infcx.tcx; let body_id = tcx.hir_node(self.mir_hir_id()).body_id()?; let mut expr_finder = FindExprBySpan::new(span, tcx); From c91edc3888073d0ddf2e0ff7741437e483a4f21e Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Tue, 18 Jun 2024 09:43:28 +0000 Subject: [PATCH 1667/1716] Prefer `dcx` methods over fields or fields' methods --- compiler/rustc_attr/src/builtin.rs | 2 +- compiler/rustc_builtin_macros/src/asm.rs | 8 ++--- .../rustc_builtin_macros/src/cmdline_attrs.rs | 2 +- compiler/rustc_expand/src/base.rs | 2 +- compiler/rustc_expand/src/mbe/macro_check.rs | 10 +++---- compiler/rustc_expand/src/mbe/macro_rules.rs | 2 +- compiler/rustc_expand/src/mbe/metavar_expr.rs | 29 ++++++++++--------- compiler/rustc_expand/src/mbe/transcribe.rs | 2 +- .../rustc_expand/src/proc_macro_server.rs | 2 +- compiler/rustc_hir_analysis/src/check/errs.rs | 2 +- compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs | 2 +- .../src/infer/error_reporting/mod.rs | 2 +- compiler/rustc_metadata/src/creader.rs | 2 +- compiler/rustc_parse/src/lexer/mod.rs | 9 +++--- compiler/rustc_parse/src/lexer/tokentrees.rs | 4 +-- .../rustc_parse/src/lexer/unicode_chars.rs | 2 +- compiler/rustc_parse/src/lib.rs | 6 ++-- .../rustc_parse/src/parser/attr_wrapper.rs | 2 +- .../rustc_parse/src/parser/diagnostics.rs | 2 +- compiler/rustc_parse/src/parser/mod.rs | 2 +- compiler/rustc_parse/src/validate_attr.rs | 10 +++---- compiler/rustc_session/src/errors.rs | 2 +- compiler/rustc_session/src/parse.rs | 12 +++++--- compiler/rustc_session/src/session.rs | 2 +- 24 files changed, 62 insertions(+), 58 deletions(-) diff --git a/compiler/rustc_attr/src/builtin.rs b/compiler/rustc_attr/src/builtin.rs index 5113c5adc8f7..34c24a26f7b1 100644 --- a/compiler/rustc_attr/src/builtin.rs +++ b/compiler/rustc_attr/src/builtin.rs @@ -596,7 +596,7 @@ pub fn eval_condition( features: Option<&Features>, eval: &mut impl FnMut(Condition) -> bool, ) -> bool { - let dcx = &sess.psess.dcx; + let dcx = sess.dcx(); match &cfg.kind { ast::MetaItemKind::List(mis) if cfg.name_or_empty() == sym::version => { try_gate_cfg(sym::version, cfg.span, sess, features); diff --git a/compiler/rustc_builtin_macros/src/asm.rs b/compiler/rustc_builtin_macros/src/asm.rs index 1a7961bf70c1..64238e81b266 100644 --- a/compiler/rustc_builtin_macros/src/asm.rs +++ b/compiler/rustc_builtin_macros/src/asm.rs @@ -46,7 +46,7 @@ pub fn parse_asm_args<'a>( sp: Span, is_global_asm: bool, ) -> PResult<'a, AsmArgs> { - let dcx = &p.psess.dcx; + let dcx = p.dcx(); if p.token == token::Eof { return Err(dcx.create_err(errors::AsmRequiresTemplate { span: sp })); @@ -307,7 +307,7 @@ pub fn parse_asm_args<'a>( fn err_duplicate_option(p: &Parser<'_>, symbol: Symbol, span: Span) { // Tool-only output let full_span = if p.token.kind == token::Comma { span.to(p.token.span) } else { span }; - p.psess.dcx.emit_err(errors::AsmOptAlreadyprovided { span, symbol, full_span }); + p.dcx().emit_err(errors::AsmOptAlreadyprovided { span, symbol, full_span }); } /// Try to set the provided option in the provided `AsmArgs`. @@ -379,7 +379,7 @@ fn parse_clobber_abi<'a>(p: &mut Parser<'a>, args: &mut AsmArgs) -> PResult<'a, p.expect(&token::OpenDelim(Delimiter::Parenthesis))?; if p.eat(&token::CloseDelim(Delimiter::Parenthesis)) { - return Err(p.psess.dcx.create_err(errors::NonABI { span: p.token.span })); + return Err(p.dcx().create_err(errors::NonABI { span: p.token.span })); } let mut new_abis = Vec::new(); @@ -390,7 +390,7 @@ fn parse_clobber_abi<'a>(p: &mut Parser<'a>, args: &mut AsmArgs) -> PResult<'a, } Err(opt_lit) => { let span = opt_lit.map_or(p.token.span, |lit| lit.span); - let mut err = p.psess.dcx.struct_span_err(span, "expected string literal"); + let mut err = p.dcx().struct_span_err(span, "expected string literal"); err.span_label(span, "not a string literal"); return Err(err); } diff --git a/compiler/rustc_builtin_macros/src/cmdline_attrs.rs b/compiler/rustc_builtin_macros/src/cmdline_attrs.rs index 16184ec75113..58928815e893 100644 --- a/compiler/rustc_builtin_macros/src/cmdline_attrs.rs +++ b/compiler/rustc_builtin_macros/src/cmdline_attrs.rs @@ -26,7 +26,7 @@ pub fn inject(krate: &mut ast::Crate, psess: &ParseSess, attrs: &[String]) { }; let end_span = parser.token.span; if parser.token != token::Eof { - psess.dcx.emit_err(errors::InvalidCrateAttr { span: start_span.to(end_span) }); + psess.dcx().emit_err(errors::InvalidCrateAttr { span: start_span.to(end_span) }); continue; } diff --git a/compiler/rustc_expand/src/base.rs b/compiler/rustc_expand/src/base.rs index b3f6a35f3a4b..b06b1f31c265 100644 --- a/compiler/rustc_expand/src/base.rs +++ b/compiler/rustc_expand/src/base.rs @@ -1358,7 +1358,7 @@ fn pretty_printing_compatibility_hack(item: &Item, sess: &Session) { if crate_matches { // FIXME: make this translatable #[allow(rustc::untranslatable_diagnostic)] - sess.psess.dcx.emit_fatal(errors::ProcMacroBackCompat { + sess.dcx().emit_fatal(errors::ProcMacroBackCompat { crate_name: "rental".to_string(), fixed_version: "0.5.6".to_string(), }); diff --git a/compiler/rustc_expand/src/mbe/macro_check.rs b/compiler/rustc_expand/src/mbe/macro_check.rs index 72dbbde54b31..d9a945a32150 100644 --- a/compiler/rustc_expand/src/mbe/macro_check.rs +++ b/compiler/rustc_expand/src/mbe/macro_check.rs @@ -206,7 +206,7 @@ pub(super) fn check_meta_variables( rhses: &[TokenTree], ) -> Result<(), ErrorGuaranteed> { if lhses.len() != rhses.len() { - psess.dcx.span_bug(span, "length mismatch between LHSes and RHSes") + psess.dcx().span_bug(span, "length mismatch between LHSes and RHSes") } let mut guar = None; for (lhs, rhs) in iter::zip(lhses, rhses) { @@ -245,7 +245,7 @@ fn check_binders( // MetaVar(fragment) and not as MetaVarDecl(y, fragment). TokenTree::MetaVar(span, name) => { if macros.is_empty() { - psess.dcx.span_bug(span, "unexpected MetaVar in lhs"); + psess.dcx().span_bug(span, "unexpected MetaVar in lhs"); } let name = MacroRulesNormalizedIdent::new(name); // There are 3 possibilities: @@ -276,7 +276,7 @@ fn check_binders( ); } if !macros.is_empty() { - psess.dcx.span_bug(span, "unexpected MetaVarDecl in nested lhs"); + psess.dcx().span_bug(span, "unexpected MetaVarDecl in nested lhs"); } let name = MacroRulesNormalizedIdent::new(name); if let Some(prev_info) = get_binder_info(macros, binders, name) { @@ -284,7 +284,7 @@ fn check_binders( // for nested macro definitions. *guar = Some( psess - .dcx + .dcx() .emit_err(errors::DuplicateMatcherBinding { span, prev: prev_info.span }), ); } else { @@ -344,7 +344,7 @@ fn check_occurrences( match *rhs { TokenTree::Token(..) => {} TokenTree::MetaVarDecl(span, _name, _kind) => { - psess.dcx.span_bug(span, "unexpected MetaVarDecl in rhs") + psess.dcx().span_bug(span, "unexpected MetaVarDecl in rhs") } TokenTree::MetaVar(span, name) => { let name = MacroRulesNormalizedIdent::new(name); diff --git a/compiler/rustc_expand/src/mbe/macro_rules.rs b/compiler/rustc_expand/src/mbe/macro_rules.rs index 5d3ba5d32230..fd1aa44fd70e 100644 --- a/compiler/rustc_expand/src/mbe/macro_rules.rs +++ b/compiler/rustc_expand/src/mbe/macro_rules.rs @@ -383,7 +383,7 @@ pub fn compile_declarative_macro( }; let dummy_syn_ext = |guar| (mk_syn_ext(Box::new(DummyExpander(guar))), Vec::new()); - let dcx = &sess.psess.dcx; + let dcx = sess.dcx(); let lhs_nm = Ident::new(sym::lhs, def.span); let rhs_nm = Ident::new(sym::rhs, def.span); let tt_spec = Some(NonterminalKind::TT); diff --git a/compiler/rustc_expand/src/mbe/metavar_expr.rs b/compiler/rustc_expand/src/mbe/metavar_expr.rs index 3295a91029ea..25958e03028f 100644 --- a/compiler/rustc_expand/src/mbe/metavar_expr.rs +++ b/compiler/rustc_expand/src/mbe/metavar_expr.rs @@ -42,7 +42,7 @@ impl MetaVarExpr { let ident = parse_ident(&mut tts, psess, outer_span)?; let Some(TokenTree::Delimited(.., Delimiter::Parenthesis, args)) = tts.next() else { let msg = "meta-variable expression parameter must be wrapped in parentheses"; - return Err(psess.dcx.struct_span_err(ident.span, msg)); + return Err(psess.dcx().struct_span_err(ident.span, msg)); }; check_trailing_token(&mut tts, psess)?; let mut iter = args.trees(); @@ -62,12 +62,12 @@ impl MetaVarExpr { break; } if !try_eat_comma(&mut iter) { - return Err(psess.dcx.struct_span_err(outer_span, "expected comma")); + return Err(psess.dcx().struct_span_err(outer_span, "expected comma")); } } if result.len() < 2 { return Err(psess - .dcx + .dcx() .struct_span_err(ident.span, "`concat` must have at least two elements")); } MetaVarExpr::Concat(result.into()) @@ -81,7 +81,7 @@ impl MetaVarExpr { "len" => MetaVarExpr::Len(parse_depth(&mut iter, psess, ident.span)?), _ => { let err_msg = "unrecognized meta-variable expression"; - let mut err = psess.dcx.struct_span_err(ident.span, err_msg); + let mut err = psess.dcx().struct_span_err(ident.span, err_msg); err.span_suggestion( ident.span, "supported expressions are count, ignore, index and len", @@ -120,7 +120,7 @@ fn check_trailing_token<'psess>( ) -> PResult<'psess, ()> { if let Some(tt) = iter.next() { let mut diag = psess - .dcx + .dcx() .struct_span_err(tt.span(), format!("unexpected token: {}", pprust::tt_to_string(tt))); diag.span_note(tt.span(), "meta-variable expression must not have trailing tokens"); Err(diag) @@ -139,7 +139,7 @@ fn parse_count<'psess>( let ident = parse_ident(iter, psess, span)?; let depth = if try_eat_comma(iter) { if iter.look_ahead(0).is_none() { - return Err(psess.dcx.struct_span_err( + return Err(psess.dcx().struct_span_err( span, "`count` followed by a comma must have an associated index indicating its depth", )); @@ -160,7 +160,7 @@ fn parse_depth<'psess>( let Some(tt) = iter.next() else { return Ok(0) }; let TokenTree::Token(token::Token { kind: token::TokenKind::Literal(lit), .. }, _) = tt else { return Err(psess - .dcx + .dcx() .struct_span_err(span, "meta-variable expression depth must be a literal")); }; if let Ok(lit_kind) = LitKind::from_token_lit(*lit) @@ -170,7 +170,7 @@ fn parse_depth<'psess>( Ok(n_usize) } else { let msg = "only unsuffixes integer literals are supported in meta-variable expressions"; - Err(psess.dcx.struct_span_err(span, msg)) + Err(psess.dcx().struct_span_err(span, msg)) } } @@ -181,20 +181,21 @@ fn parse_ident<'psess>( fallback_span: Span, ) -> PResult<'psess, Ident> { let Some(tt) = iter.next() else { - return Err(psess.dcx.struct_span_err(fallback_span, "expected identifier")); + return Err(psess.dcx().struct_span_err(fallback_span, "expected identifier")); }; let TokenTree::Token(token, _) = tt else { - return Err(psess.dcx.struct_span_err(tt.span(), "expected identifier")); + return Err(psess.dcx().struct_span_err(tt.span(), "expected identifier")); }; if let Some((elem, is_raw)) = token.ident() { if let IdentIsRaw::Yes = is_raw { - return Err(psess.dcx.struct_span_err(elem.span, RAW_IDENT_ERR)); + return Err(psess.dcx().struct_span_err(elem.span, RAW_IDENT_ERR)); } return Ok(elem); } let token_str = pprust::token_to_string(token); - let mut err = - psess.dcx.struct_span_err(token.span, format!("expected identifier, found `{token_str}`")); + let mut err = psess + .dcx() + .struct_span_err(token.span, format!("expected identifier, found `{token_str}`")); err.span_suggestion( token.span, format!("try removing `{token_str}`"), @@ -236,7 +237,7 @@ fn eat_dollar<'psess>( let _ = iter.next(); return Ok(()); } - Err(psess.dcx.struct_span_err( + Err(psess.dcx().struct_span_err( span, "meta-variables within meta-variable expressions must be referenced using a dollar sign", )) diff --git a/compiler/rustc_expand/src/mbe/transcribe.rs b/compiler/rustc_expand/src/mbe/transcribe.rs index 914bd03675a7..6e6afe74df1c 100644 --- a/compiler/rustc_expand/src/mbe/transcribe.rs +++ b/compiler/rustc_expand/src/mbe/transcribe.rs @@ -141,7 +141,7 @@ pub(super) fn transcribe<'a>( let mut result_stack = Vec::new(); let mut marker = Marker(expand_id, transparency, Default::default()); - let dcx = &psess.dcx; + let dcx = psess.dcx(); loop { // Look at the last frame on the stack. // If it still has a TokenTree we have not looked at yet, use that tree. diff --git a/compiler/rustc_expand/src/proc_macro_server.rs b/compiler/rustc_expand/src/proc_macro_server.rs index 93f8682090d7..5508358f53bb 100644 --- a/compiler/rustc_expand/src/proc_macro_server.rs +++ b/compiler/rustc_expand/src/proc_macro_server.rs @@ -522,7 +522,7 @@ impl server::FreeFunctions for Rustc<'_, '_> { fn emit_diagnostic(&mut self, diagnostic: Diagnostic) { let message = rustc_errors::DiagMessage::from(diagnostic.message); let mut diag: Diag<'_, ()> = - Diag::new(&self.psess().dcx, diagnostic.level.to_internal(), message); + Diag::new(self.psess().dcx(), diagnostic.level.to_internal(), message); diag.span(MultiSpan::from_spans(diagnostic.spans)); for child in diagnostic.children { // This message comes from another diagnostic, and we are just reconstructing the diff --git a/compiler/rustc_hir_analysis/src/check/errs.rs b/compiler/rustc_hir_analysis/src/check/errs.rs index 2cdcc06f53c0..17cb20df7546 100644 --- a/compiler/rustc_hir_analysis/src/check/errs.rs +++ b/compiler/rustc_hir_analysis/src/check/errs.rs @@ -63,7 +63,7 @@ fn handle_static_mut_ref( } else { (errors::StaticMutRefSugg::Shared { span, var }, "shared") }; - tcx.sess.psess.dcx.emit_err(errors::StaticMutRef { span, sugg, shared }); + tcx.dcx().emit_err(errors::StaticMutRef { span, sugg, shared }); } else { let (sugg, shared) = if mutable == Mutability::Mut { (errors::RefOfMutStaticSugg::Mut { span, var }, "mutable") diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs index 2ef27e6a0ba7..ee4eec99b2b4 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs @@ -146,7 +146,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } pub(crate) fn dcx(&self) -> &'tcx DiagCtxt { - self.tcx.dcx() + self.infcx.dcx() } pub fn cause(&self, span: Span, code: ObligationCauseCode<'tcx>) -> ObligationCause<'tcx> { diff --git a/compiler/rustc_infer/src/infer/error_reporting/mod.rs b/compiler/rustc_infer/src/infer/error_reporting/mod.rs index e15866f3f0f6..4717e3d60479 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/mod.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/mod.rs @@ -140,7 +140,7 @@ pub struct TypeErrCtxt<'a, 'tcx> { impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> { pub fn dcx(&self) -> &'tcx DiagCtxt { - self.infcx.tcx.dcx() + self.infcx.dcx() } /// This is just to avoid a potential footgun of accidentally diff --git a/compiler/rustc_metadata/src/creader.rs b/compiler/rustc_metadata/src/creader.rs index ad283117d7e0..62a068d640a7 100644 --- a/compiler/rustc_metadata/src/creader.rs +++ b/compiler/rustc_metadata/src/creader.rs @@ -92,7 +92,7 @@ impl<'a, 'tcx> std::ops::Deref for CrateLoader<'a, 'tcx> { impl<'a, 'tcx> CrateLoader<'a, 'tcx> { fn dcx(&self) -> &'tcx DiagCtxt { - &self.tcx.dcx() + self.tcx.dcx() } } diff --git a/compiler/rustc_parse/src/lexer/mod.rs b/compiler/rustc_parse/src/lexer/mod.rs index 43f4963b27ac..a5b9ab32a8c2 100644 --- a/compiler/rustc_parse/src/lexer/mod.rs +++ b/compiler/rustc_parse/src/lexer/mod.rs @@ -114,7 +114,7 @@ struct StringReader<'psess, 'src> { impl<'psess, 'src> StringReader<'psess, 'src> { fn dcx(&self) -> &'psess DiagCtxt { - &self.psess.dcx + self.psess.dcx() } fn mk_sp(&self, lo: BytePos, hi: BytePos) -> Span { @@ -248,8 +248,8 @@ impl<'psess, 'src> StringReader<'psess, 'src> { let suffix = if suffix_start < self.pos { let string = self.str_from(suffix_start); if string == "_" { - self.psess - .dcx + self + .dcx() .emit_err(errors::UnderscoreLiteralSuffix { span: self.mk_sp(suffix_start, self.pos) }); None } else { @@ -597,8 +597,7 @@ impl<'psess, 'src> StringReader<'psess, 'src> { } fn report_non_started_raw_string(&self, start: BytePos, bad_char: char) -> ! { - self.psess - .dcx + self.dcx() .struct_span_fatal( self.mk_sp(start, self.pos), format!( diff --git a/compiler/rustc_parse/src/lexer/tokentrees.rs b/compiler/rustc_parse/src/lexer/tokentrees.rs index f7645446081a..8e5434546913 100644 --- a/compiler/rustc_parse/src/lexer/tokentrees.rs +++ b/compiler/rustc_parse/src/lexer/tokentrees.rs @@ -71,7 +71,7 @@ impl<'psess, 'src> TokenTreesReader<'psess, 'src> { fn eof_err(&mut self) -> PErr<'psess> { let msg = "this file contains an unclosed delimiter"; - let mut err = self.string_reader.psess.dcx.struct_span_err(self.token.span, msg); + let mut err = self.string_reader.dcx().struct_span_err(self.token.span, msg); for &(_, sp) in &self.diag_info.open_braces { err.span_label(sp, "unclosed delimiter"); self.diag_info.unmatched_delims.push(UnmatchedDelim { @@ -290,7 +290,7 @@ impl<'psess, 'src> TokenTreesReader<'psess, 'src> { // An unexpected closing delimiter (i.e., there is no matching opening delimiter). let token_str = token_to_string(&self.token); let msg = format!("unexpected closing delimiter: `{token_str}`"); - let mut err = self.string_reader.psess.dcx.struct_span_err(self.token.span, msg); + let mut err = self.string_reader.dcx().struct_span_err(self.token.span, msg); report_suspicious_mismatch_block( &mut err, diff --git a/compiler/rustc_parse/src/lexer/unicode_chars.rs b/compiler/rustc_parse/src/lexer/unicode_chars.rs index 8eb299108d10..0a82ede3b75d 100644 --- a/compiler/rustc_parse/src/lexer/unicode_chars.rs +++ b/compiler/rustc_parse/src/lexer/unicode_chars.rs @@ -351,7 +351,7 @@ pub(super) fn check_for_substitution( let Some((_, ascii_name, token)) = ASCII_ARRAY.iter().find(|&&(s, _, _)| s == ascii_str) else { let msg = format!("substitution character not found for '{ch}'"); - reader.psess.dcx.span_bug(span, msg); + reader.dcx().span_bug(span, msg); }; // special help suggestion for "directed" double quotes diff --git a/compiler/rustc_parse/src/lib.rs b/compiler/rustc_parse/src/lib.rs index 25cab7252a36..5522127be83e 100644 --- a/compiler/rustc_parse/src/lib.rs +++ b/compiler/rustc_parse/src/lib.rs @@ -73,7 +73,7 @@ pub fn new_parser_from_file<'a>( ) -> Result, Vec>> { let source_file = psess.source_map().load_file(path).unwrap_or_else(|e| { let msg = format!("couldn't read {}: {}", path.display(), e); - let mut err = psess.dcx.struct_fatal(msg); + let mut err = psess.dcx().struct_fatal(msg); if let Some(sp) = sp { err.span(sp); } @@ -115,7 +115,7 @@ fn source_file_to_stream<'psess>( override_span: Option, ) -> Result>> { let src = source_file.src.as_ref().unwrap_or_else(|| { - psess.dcx.bug(format!( + psess.dcx().bug(format!( "cannot lex `source_file` without source: {}", psess.source_map().filename_for_diagnostics(&source_file.name) )); @@ -179,7 +179,7 @@ pub fn parse_cfg_attr( } } _ => { - psess.dcx.emit_err(errors::MalformedCfgAttr { + psess.dcx().emit_err(errors::MalformedCfgAttr { span: attr.span, sugg: CFG_ATTR_GRAMMAR_HELP, }); diff --git a/compiler/rustc_parse/src/parser/attr_wrapper.rs b/compiler/rustc_parse/src/parser/attr_wrapper.rs index 62c8f9f5dacb..f5c931034fd2 100644 --- a/compiler/rustc_parse/src/parser/attr_wrapper.rs +++ b/compiler/rustc_parse/src/parser/attr_wrapper.rs @@ -41,7 +41,7 @@ impl AttrWrapper { } pub(crate) fn take_for_recovery(self, psess: &ParseSess) -> AttrVec { - psess.dcx.span_delayed_bug( + psess.dcx().span_delayed_bug( self.attrs.get(0).map(|attr| attr.span).unwrap_or(DUMMY_SP), "AttrVec is taken for recovery but no error is produced", ); diff --git a/compiler/rustc_parse/src/parser/diagnostics.rs b/compiler/rustc_parse/src/parser/diagnostics.rs index 0c326c8eca2d..d3f9bb3f2744 100644 --- a/compiler/rustc_parse/src/parser/diagnostics.rs +++ b/compiler/rustc_parse/src/parser/diagnostics.rs @@ -241,7 +241,7 @@ impl<'a> DerefMut for SnapshotParser<'a> { impl<'a> Parser<'a> { pub fn dcx(&self) -> &'a DiagCtxt { - &self.psess.dcx + self.psess.dcx() } /// Replace `self` with `snapshot.parser`. diff --git a/compiler/rustc_parse/src/parser/mod.rs b/compiler/rustc_parse/src/parser/mod.rs index 604959b1cda7..6dee913c1416 100644 --- a/compiler/rustc_parse/src/parser/mod.rs +++ b/compiler/rustc_parse/src/parser/mod.rs @@ -1596,7 +1596,7 @@ pub(crate) fn make_unclosed_delims_error( if let Some(sp) = unmatched.unclosed_span { spans.push(sp); }; - let err = psess.dcx.create_err(MismatchedClosingDelimiter { + let err = psess.dcx().create_err(MismatchedClosingDelimiter { spans, delimiter: pprust::token_kind_to_string(&token::CloseDelim(found_delim)).to_string(), unmatched: unmatched.found_span, diff --git a/compiler/rustc_parse/src/validate_attr.rs b/compiler/rustc_parse/src/validate_attr.rs index 19d6f512572f..4ca52146039c 100644 --- a/compiler/rustc_parse/src/validate_attr.rs +++ b/compiler/rustc_parse/src/validate_attr.rs @@ -65,7 +65,7 @@ pub fn parse_meta<'a>(psess: &'a ParseSess, attr: &Attribute) -> PResult<'a, Met let res = match res { Ok(lit) => { if token_lit.suffix.is_some() { - let mut err = psess.dcx.struct_span_err( + let mut err = psess.dcx().struct_span_err( expr.span, "suffixed literals are not allowed in attributes", ); @@ -98,7 +98,7 @@ pub fn parse_meta<'a>(psess: &'a ParseSess, attr: &Attribute) -> PResult<'a, Met // the error because an earlier error will have already // been reported. let msg = "attribute value must be a literal"; - let mut err = psess.dcx.struct_span_err(expr.span, msg); + let mut err = psess.dcx().struct_span_err(expr.span, msg); if let ast::ExprKind::Err(_) = expr.kind { err.downgrade_to_delayed_bug(); } @@ -114,7 +114,7 @@ fn check_meta_bad_delim(psess: &ParseSess, span: DelimSpan, delim: Delimiter) { if let Delimiter::Parenthesis = delim { return; } - psess.dcx.emit_err(errors::MetaBadDelim { + psess.dcx().emit_err(errors::MetaBadDelim { span: span.entire(), sugg: errors::MetaBadDelimSugg { open: span.open, close: span.close }, }); @@ -124,7 +124,7 @@ pub(super) fn check_cfg_attr_bad_delim(psess: &ParseSess, span: DelimSpan, delim if let Delimiter::Parenthesis = delim { return; } - psess.dcx.emit_err(errors::CfgAttrBadDelim { + psess.dcx().emit_err(errors::CfgAttrBadDelim { span: span.entire(), sugg: errors::MetaBadDelimSugg { open: span.open, close: span.close }, }); @@ -191,7 +191,7 @@ fn emit_malformed_attribute( } else { suggestions.sort(); psess - .dcx + .dcx() .struct_span_err(span, error_msg) .with_span_suggestions( span, diff --git a/compiler/rustc_session/src/errors.rs b/compiler/rustc_session/src/errors.rs index dce56382a53a..71d11bfdb32c 100644 --- a/compiler/rustc_session/src/errors.rs +++ b/compiler/rustc_session/src/errors.rs @@ -401,7 +401,7 @@ pub fn report_lit_error( valid.then(|| format!("0{}{}", base_char.to_ascii_lowercase(), &suffix[1..])) } - let dcx = &psess.dcx; + let dcx = psess.dcx(); match err { LitError::InvalidSuffix(suffix) => { dcx.emit_err(InvalidLiteralSuffix { span, kind: lit.kind.descr(), suffix }) diff --git a/compiler/rustc_session/src/parse.rs b/compiler/rustc_session/src/parse.rs index df07f81bc457..4e5ee39ffb99 100644 --- a/compiler/rustc_session/src/parse.rs +++ b/compiler/rustc_session/src/parse.rs @@ -106,12 +106,12 @@ pub fn feature_err_issue( // Cancel an earlier warning for this same error, if it exists. if let Some(span) = span.primary_span() { - if let Some(err) = sess.psess.dcx.steal_non_err(span, StashKey::EarlySyntaxWarning) { + if let Some(err) = sess.dcx().steal_non_err(span, StashKey::EarlySyntaxWarning) { err.cancel() } } - let mut err = sess.psess.dcx.create_err(FeatureGateError { span, explain: explain.into() }); + let mut err = sess.dcx().create_err(FeatureGateError { span, explain: explain.into() }); add_feature_diagnostics_for_issue(&mut err, sess, feature, issue, false, None); err } @@ -140,7 +140,7 @@ pub fn feature_warn_issue( issue: GateIssue, explain: &'static str, ) { - let mut err = sess.psess.dcx.struct_span_warn(span, explain); + let mut err = sess.dcx().struct_span_warn(span, explain); add_feature_diagnostics_for_issue(&mut err, sess, feature, issue, false, None); // Decorate this as a future-incompatibility lint as in rustc_middle::lint::lint_level @@ -201,7 +201,7 @@ pub fn add_feature_diagnostics_for_issue( /// Info about a parsing session. pub struct ParseSess { - pub dcx: DiagCtxt, + dcx: DiagCtxt, pub unstable_features: UnstableFeatures, pub config: Cfg, pub check_config: CheckCfg, @@ -326,4 +326,8 @@ impl ParseSess { // AppendOnlyVec, so we resort to this scheme. self.proc_macro_quoted_spans.iter_enumerated() } + + pub fn dcx(&self) -> &DiagCtxt { + &self.dcx + } } diff --git a/compiler/rustc_session/src/session.rs b/compiler/rustc_session/src/session.rs index 87bbfcf07c84..82b593a0f406 100644 --- a/compiler/rustc_session/src/session.rs +++ b/compiler/rustc_session/src/session.rs @@ -329,7 +329,7 @@ impl Session { #[inline] pub fn dcx(&self) -> &DiagCtxt { - &self.psess.dcx + self.psess.dcx() } #[inline] From dba414763362a15d56992c35728242300282f0ef Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Fri, 14 Jun 2024 18:25:31 -0400 Subject: [PATCH 1668/1716] Make SearchGraph fully generic --- compiler/rustc_middle/src/traits/solve.rs | 2 +- .../rustc_middle/src/traits/solve/cache.rs | 28 +++--- compiler/rustc_middle/src/ty/context.rs | 21 +++++ .../rustc_trait_selection/src/solve/mod.rs | 30 ++---- .../src/solve/search_graph.rs | 92 ++++++++----------- compiler/rustc_type_ir/src/inherent.rs | 29 ++++++ compiler/rustc_type_ir/src/interner.rs | 20 +++- compiler/rustc_type_ir/src/solve.rs | 22 +++++ 8 files changed, 149 insertions(+), 95 deletions(-) diff --git a/compiler/rustc_middle/src/traits/solve.rs b/compiler/rustc_middle/src/traits/solve.rs index 9e979620a440..888e3aec5eaf 100644 --- a/compiler/rustc_middle/src/traits/solve.rs +++ b/compiler/rustc_middle/src/traits/solve.rs @@ -10,7 +10,7 @@ use crate::ty::{ mod cache; -pub use cache::{CacheData, EvaluationCache}; +pub use cache::EvaluationCache; pub type Goal<'tcx, P> = ir::solve::Goal, P>; pub type QueryInput<'tcx, P> = ir::solve::QueryInput, P>; diff --git a/compiler/rustc_middle/src/traits/solve/cache.rs b/compiler/rustc_middle/src/traits/solve/cache.rs index dc31114b2c45..72a8d4eb4050 100644 --- a/compiler/rustc_middle/src/traits/solve/cache.rs +++ b/compiler/rustc_middle/src/traits/solve/cache.rs @@ -5,6 +5,8 @@ use rustc_data_structures::sync::Lock; use rustc_query_system::cache::WithDepNode; use rustc_query_system::dep_graph::DepNodeIndex; use rustc_session::Limit; +use rustc_type_ir::solve::CacheData; + /// The trait solver cache used by `-Znext-solver`. /// /// FIXME(@lcnr): link to some official documentation of how @@ -14,17 +16,9 @@ pub struct EvaluationCache<'tcx> { map: Lock, CacheEntry<'tcx>>>, } -#[derive(Debug, PartialEq, Eq)] -pub struct CacheData<'tcx> { - pub result: QueryResult<'tcx>, - pub proof_tree: Option<&'tcx inspect::CanonicalGoalEvaluationStep>>, - pub additional_depth: usize, - pub encountered_overflow: bool, -} - -impl<'tcx> EvaluationCache<'tcx> { +impl<'tcx> rustc_type_ir::inherent::EvaluationCache> for &'tcx EvaluationCache<'tcx> { /// Insert a final result into the global cache. - pub fn insert( + fn insert( &self, tcx: TyCtxt<'tcx>, key: CanonicalInput<'tcx>, @@ -48,7 +42,7 @@ impl<'tcx> EvaluationCache<'tcx> { if cfg!(debug_assertions) { drop(map); let expected = CacheData { result, proof_tree, additional_depth, encountered_overflow }; - let actual = self.get(tcx, key, [], Limit(additional_depth)); + let actual = self.get(tcx, key, [], additional_depth); if !actual.as_ref().is_some_and(|actual| expected == *actual) { bug!("failed to lookup inserted element for {key:?}: {expected:?} != {actual:?}"); } @@ -59,13 +53,13 @@ impl<'tcx> EvaluationCache<'tcx> { /// and handling root goals of coinductive cycles. /// /// If this returns `Some` the cache result can be used. - pub fn get( + fn get( &self, tcx: TyCtxt<'tcx>, key: CanonicalInput<'tcx>, stack_entries: impl IntoIterator>, - available_depth: Limit, - ) -> Option> { + available_depth: usize, + ) -> Option>> { let map = self.map.borrow(); let entry = map.get(&key)?; @@ -76,7 +70,7 @@ impl<'tcx> EvaluationCache<'tcx> { } if let Some(ref success) = entry.success { - if available_depth.value_within_limit(success.additional_depth) { + if Limit(available_depth).value_within_limit(success.additional_depth) { let QueryData { result, proof_tree } = success.data.get(tcx); return Some(CacheData { result, @@ -87,12 +81,12 @@ impl<'tcx> EvaluationCache<'tcx> { } } - entry.with_overflow.get(&available_depth.0).map(|e| { + entry.with_overflow.get(&available_depth).map(|e| { let QueryData { result, proof_tree } = e.get(tcx); CacheData { result, proof_tree, - additional_depth: available_depth.0, + additional_depth: available_depth, encountered_overflow: true, } }) diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index e2f15dac0198..eec7fa8db1d1 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -71,6 +71,7 @@ use rustc_target::abi::{FieldIdx, Layout, LayoutS, TargetDataLayout, VariantIdx} use rustc_target::spec::abi; use rustc_type_ir::fold::TypeFoldable; use rustc_type_ir::lang_items::TraitSolverLangItem; +use rustc_type_ir::solve::SolverMode; use rustc_type_ir::TyKind::*; use rustc_type_ir::{CollectAndApply, Interner, TypeFlags, WithCachedTypeInfo}; use tracing::{debug, instrument}; @@ -139,10 +140,30 @@ impl<'tcx> Interner for TyCtxt<'tcx> { type Clause = Clause<'tcx>; type Clauses = ty::Clauses<'tcx>; + type DepNodeIndex = DepNodeIndex; + fn with_cached_task(self, task: impl FnOnce() -> T) -> (T, DepNodeIndex) { + self.dep_graph.with_anon_task(self, crate::dep_graph::dep_kinds::TraitSelect, task) + } + + type EvaluationCache = &'tcx solve::EvaluationCache<'tcx>; + fn evaluation_cache(self, mode: SolverMode) -> &'tcx solve::EvaluationCache<'tcx> { + match mode { + SolverMode::Normal => &self.new_solver_evaluation_cache, + SolverMode::Coherence => &self.new_solver_coherence_evaluation_cache, + } + } + fn expand_abstract_consts>>(self, t: T) -> T { self.expand_abstract_consts(t) } + fn mk_external_constraints( + self, + data: ExternalConstraintsData, + ) -> ExternalConstraints<'tcx> { + self.mk_external_constraints(data) + } + fn mk_canonical_var_infos(self, infos: &[ty::CanonicalVarInfo]) -> Self::CanonicalVars { self.mk_canonical_var_infos(infos) } diff --git a/compiler/rustc_trait_selection/src/solve/mod.rs b/compiler/rustc_trait_selection/src/solve/mod.rs index 4f1be5cbc853..7b6e525370c3 100644 --- a/compiler/rustc_trait_selection/src/solve/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/mod.rs @@ -14,12 +14,11 @@ //! FIXME(@lcnr): Write that section. If you read this before then ask me //! about it on zulip. use rustc_hir::def_id::DefId; -use rustc_infer::infer::canonical::{Canonical, CanonicalVarValues}; +use rustc_infer::infer::canonical::Canonical; use rustc_infer::infer::InferCtxt; use rustc_infer::traits::query::NoSolution; use rustc_macros::extension; use rustc_middle::bug; -use rustc_middle::infer::canonical::CanonicalVarInfos; use rustc_middle::traits::solve::{ CanonicalResponse, Certainty, ExternalConstraintsData, Goal, GoalSource, QueryResult, Response, }; @@ -27,6 +26,8 @@ use rustc_middle::ty::{ self, AliasRelationDirection, CoercePredicate, RegionOutlivesPredicate, SubtypePredicate, Ty, TyCtxt, TypeOutlivesPredicate, UniverseIndex, }; +use rustc_type_ir::solve::SolverMode; +use rustc_type_ir::{self as ir, Interner}; mod alias_relate; mod assembly; @@ -57,19 +58,6 @@ pub use select::InferCtxtSelectExt; /// recursion limit again. However, this feels very unlikely. const FIXPOINT_STEP_LIMIT: usize = 8; -#[derive(Debug, Clone, Copy)] -enum SolverMode { - /// Ordinary trait solving, using everywhere except for coherence. - Normal, - /// Trait solving during coherence. There are a few notable differences - /// between coherence and ordinary trait solving. - /// - /// Most importantly, trait solving during coherence must not be incomplete, - /// i.e. return `Err(NoSolution)` for goals for which a solution exists. - /// This means that we must not make any guesses or arbitrary choices. - Coherence, -} - #[derive(Debug, Copy, Clone, PartialEq, Eq)] enum GoalEvaluationKind { Root, @@ -314,17 +302,17 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { } } -fn response_no_constraints_raw<'tcx>( - tcx: TyCtxt<'tcx>, +fn response_no_constraints_raw( + tcx: I, max_universe: UniverseIndex, - variables: CanonicalVarInfos<'tcx>, + variables: I::CanonicalVars, certainty: Certainty, -) -> CanonicalResponse<'tcx> { - Canonical { +) -> ir::solve::CanonicalResponse { + ir::Canonical { max_universe, variables, value: Response { - var_values: CanonicalVarValues::make_identity(tcx, variables), + var_values: ir::CanonicalVarValues::make_identity(tcx, variables), // FIXME: maybe we should store the "no response" version in tcx, like // we do for tcx.types and stuff. external_constraints: tcx.mk_external_constraints(ExternalConstraintsData::default()), diff --git a/compiler/rustc_trait_selection/src/solve/search_graph.rs b/compiler/rustc_trait_selection/src/solve/search_graph.rs index 84878fea1013..681061c25aac 100644 --- a/compiler/rustc_trait_selection/src/solve/search_graph.rs +++ b/compiler/rustc_trait_selection/src/solve/search_graph.rs @@ -3,14 +3,11 @@ use std::mem; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_index::Idx; use rustc_index::IndexVec; -use rustc_infer::infer::InferCtxt; -use rustc_middle::dep_graph::dep_kinds; -use rustc_middle::traits::solve::CacheData; -use rustc_middle::traits::solve::EvaluationCache; -use rustc_middle::ty::TyCtxt; +use rustc_next_trait_solver::solve::CacheData; use rustc_next_trait_solver::solve::{CanonicalInput, Certainty, QueryResult}; use rustc_session::Limit; use rustc_type_ir::inherent::*; +use rustc_type_ir::InferCtxtLike; use rustc_type_ir::Interner; use super::inspect; @@ -240,34 +237,26 @@ impl SearchGraph { !entry.is_empty() }); } -} -impl<'tcx> SearchGraph> { /// The trait solver behavior is different for coherence /// so we use a separate cache. Alternatively we could use /// a single cache and share it between coherence and ordinary /// trait solving. - pub(super) fn global_cache(&self, tcx: TyCtxt<'tcx>) -> &'tcx EvaluationCache<'tcx> { - match self.mode { - SolverMode::Normal => &tcx.new_solver_evaluation_cache, - SolverMode::Coherence => &tcx.new_solver_coherence_evaluation_cache, - } + pub(super) fn global_cache(&self, tcx: I) -> I::EvaluationCache { + tcx.evaluation_cache(self.mode) } /// Probably the most involved method of the whole solver. /// /// Given some goal which is proven via the `prove_goal` closure, this /// handles caching, overflow, and coinductive cycles. - pub(super) fn with_new_goal( + pub(super) fn with_new_goal>( &mut self, - tcx: TyCtxt<'tcx>, - input: CanonicalInput>, - inspect: &mut ProofTreeBuilder>, - mut prove_goal: impl FnMut( - &mut Self, - &mut ProofTreeBuilder>, - ) -> QueryResult>, - ) -> QueryResult> { + tcx: I, + input: CanonicalInput, + inspect: &mut ProofTreeBuilder, + mut prove_goal: impl FnMut(&mut Self, &mut ProofTreeBuilder) -> QueryResult, + ) -> QueryResult { self.check_invariants(); // Check for overflow. let Some(available_depth) = Self::allowed_depth_for_nested(tcx, &self.stack) else { @@ -361,21 +350,20 @@ impl<'tcx> SearchGraph> { // not tracked by the cache key and from outside of this anon task, it // must not be added to the global cache. Notably, this is the case for // trait solver cycles participants. - let ((final_entry, result), dep_node) = - tcx.dep_graph.with_anon_task(tcx, dep_kinds::TraitSelect, || { - for _ in 0..FIXPOINT_STEP_LIMIT { - match self.fixpoint_step_in_task(tcx, input, inspect, &mut prove_goal) { - StepResult::Done(final_entry, result) => return (final_entry, result), - StepResult::HasChanged => debug!("fixpoint changed provisional results"), - } + let ((final_entry, result), dep_node) = tcx.with_cached_task(|| { + for _ in 0..FIXPOINT_STEP_LIMIT { + match self.fixpoint_step_in_task(tcx, input, inspect, &mut prove_goal) { + StepResult::Done(final_entry, result) => return (final_entry, result), + StepResult::HasChanged => debug!("fixpoint changed provisional results"), } + } - debug!("canonical cycle overflow"); - let current_entry = self.pop_stack(); - debug_assert!(current_entry.has_been_used.is_empty()); - let result = Self::response_no_constraints(tcx, input, Certainty::overflow(false)); - (current_entry, result) - }); + debug!("canonical cycle overflow"); + let current_entry = self.pop_stack(); + debug_assert!(current_entry.has_been_used.is_empty()); + let result = Self::response_no_constraints(tcx, input, Certainty::overflow(false)); + (current_entry, result) + }); let proof_tree = inspect.finalize_canonical_goal_evaluation(tcx); @@ -423,16 +411,17 @@ impl<'tcx> SearchGraph> { /// Try to fetch a previously computed result from the global cache, /// making sure to only do so if it would match the result of reevaluating /// this goal. - fn lookup_global_cache( + fn lookup_global_cache>( &mut self, - tcx: TyCtxt<'tcx>, - input: CanonicalInput>, + tcx: I, + input: CanonicalInput, available_depth: Limit, - inspect: &mut ProofTreeBuilder>, - ) -> Option>> { + inspect: &mut ProofTreeBuilder, + ) -> Option> { let CacheData { result, proof_tree, additional_depth, encountered_overflow } = self .global_cache(tcx) - .get(tcx, input, self.stack.iter().map(|e| e.input), available_depth)?; + // TODO: Awkward `Limit -> usize -> Limit`. + .get(tcx, input, self.stack.iter().map(|e| e.input), available_depth.0)?; // If we're building a proof tree and the current cache entry does not // contain a proof tree, we do not use the entry but instead recompute @@ -465,21 +454,22 @@ enum StepResult { HasChanged, } -impl<'tcx> SearchGraph> { +impl SearchGraph { /// When we encounter a coinductive cycle, we have to fetch the /// result of that cycle while we are still computing it. Because /// of this we continuously recompute the cycle until the result /// of the previous iteration is equal to the final result, at which /// point we are done. - fn fixpoint_step_in_task( + fn fixpoint_step_in_task( &mut self, - tcx: TyCtxt<'tcx>, - input: CanonicalInput>, - inspect: &mut ProofTreeBuilder>, + tcx: I, + input: CanonicalInput, + inspect: &mut ProofTreeBuilder, prove_goal: &mut F, - ) -> StepResult> + ) -> StepResult where - F: FnMut(&mut Self, &mut ProofTreeBuilder>) -> QueryResult>, + Infcx: InferCtxtLike, + F: FnMut(&mut Self, &mut ProofTreeBuilder) -> QueryResult, { let result = prove_goal(self, inspect); let stack_entry = self.pop_stack(); @@ -533,15 +523,13 @@ impl<'tcx> SearchGraph> { } fn response_no_constraints( - tcx: TyCtxt<'tcx>, - goal: CanonicalInput>, + tcx: I, + goal: CanonicalInput, certainty: Certainty, - ) -> QueryResult> { + ) -> QueryResult { Ok(super::response_no_constraints_raw(tcx, goal.max_universe, goal.variables, certainty)) } -} -impl SearchGraph { #[allow(rustc::potential_query_instability)] fn check_invariants(&self) { if !cfg!(debug_assertions) { diff --git a/compiler/rustc_type_ir/src/inherent.rs b/compiler/rustc_type_ir/src/inherent.rs index 6b84592978a2..4afb9a2339b0 100644 --- a/compiler/rustc_type_ir/src/inherent.rs +++ b/compiler/rustc_type_ir/src/inherent.rs @@ -8,9 +8,11 @@ use std::hash::Hash; use std::ops::Deref; use rustc_ast_ir::Mutability; +use rustc_data_structures::fx::FxHashSet; use crate::fold::{TypeFoldable, TypeSuperFoldable}; use crate::relate::Relate; +use crate::solve::{CacheData, CanonicalInput, QueryResult}; use crate::visit::{Flags, TypeSuperVisitable, TypeVisitable}; use crate::{self as ty, CollectAndApply, Interner, UpcastFrom}; @@ -363,3 +365,30 @@ pub trait Features: Copy { fn coroutine_clone(self) -> bool; } + +pub trait EvaluationCache { + /// Insert a final result into the global cache. + fn insert( + &self, + tcx: I, + key: CanonicalInput, + proof_tree: Option, + additional_depth: usize, + encountered_overflow: bool, + cycle_participants: FxHashSet>, + dep_node: I::DepNodeIndex, + result: QueryResult, + ); + + /// Try to fetch a cached result, checking the recursion limit + /// and handling root goals of coinductive cycles. + /// + /// If this returns `Some` the cache result can be used. + fn get( + &self, + tcx: I, + key: CanonicalInput, + stack_entries: impl IntoIterator>, + available_depth: usize, + ) -> Option>; +} diff --git a/compiler/rustc_type_ir/src/interner.rs b/compiler/rustc_type_ir/src/interner.rs index 11c1f73fef33..b099f63d3828 100644 --- a/compiler/rustc_type_ir/src/interner.rs +++ b/compiler/rustc_type_ir/src/interner.rs @@ -10,6 +10,7 @@ use crate::ir_print::IrPrint; use crate::lang_items::TraitSolverLangItem; use crate::relate::Relate; use crate::solve::inspect::CanonicalGoalEvaluationStep; +use crate::solve::{ExternalConstraintsData, SolverMode}; use crate::visit::{Flags, TypeSuperVisitable, TypeVisitable}; use crate::{self as ty}; @@ -45,16 +46,26 @@ pub trait Interner: + Default; type BoundVarKind: Copy + Debug + Hash + Eq; - type CanonicalVars: Copy + Debug + Hash + Eq + IntoIterator>; type PredefinedOpaques: Copy + Debug + Hash + Eq; type DefiningOpaqueTypes: Copy + Debug + Hash + Default + Eq + TypeVisitable; - type ExternalConstraints: Copy + Debug + Hash + Eq; type CanonicalGoalEvaluationStepRef: Copy + Debug + Hash + Eq + Deref>; + type CanonicalVars: Copy + Debug + Hash + Eq + IntoIterator>; + fn mk_canonical_var_infos(self, infos: &[ty::CanonicalVarInfo]) -> Self::CanonicalVars; + + type ExternalConstraints: Copy + Debug + Hash + Eq; + fn mk_external_constraints( + self, + data: ExternalConstraintsData, + ) -> Self::ExternalConstraints; + + type DepNodeIndex; + fn with_cached_task(self, task: impl FnOnce() -> T) -> (T, Self::DepNodeIndex); + // Kinds of tys type Ty: Ty; type Tys: Tys; @@ -97,9 +108,10 @@ pub trait Interner: type Clause: Clause; type Clauses: Copy + Debug + Hash + Eq + TypeSuperVisitable + Flags; - fn expand_abstract_consts>(self, t: T) -> T; + type EvaluationCache: EvaluationCache; + fn evaluation_cache(self, mode: SolverMode) -> Self::EvaluationCache; - fn mk_canonical_var_infos(self, infos: &[ty::CanonicalVarInfo]) -> Self::CanonicalVars; + fn expand_abstract_consts>(self, t: T) -> T; type GenericsOf: GenericsOf; fn generics_of(self, def_id: Self::DefId) -> Self::GenericsOf; diff --git a/compiler/rustc_type_ir/src/solve.rs b/compiler/rustc_type_ir/src/solve.rs index 99d2fa744947..fc4df7ede9d3 100644 --- a/compiler/rustc_type_ir/src/solve.rs +++ b/compiler/rustc_type_ir/src/solve.rs @@ -57,6 +57,19 @@ pub enum Reveal { All, } +#[derive(Debug, Clone, Copy)] +pub enum SolverMode { + /// Ordinary trait solving, using everywhere except for coherence. + Normal, + /// Trait solving during coherence. There are a few notable differences + /// between coherence and ordinary trait solving. + /// + /// Most importantly, trait solving during coherence must not be incomplete, + /// i.e. return `Err(NoSolution)` for goals for which a solution exists. + /// This means that we must not make any guesses or arbitrary choices. + Coherence, +} + pub type CanonicalInput::Predicate> = Canonical>; pub type CanonicalResponse = Canonical>; /// The result of evaluating a canonical query. @@ -356,3 +369,12 @@ impl MaybeCause { } } } + +#[derive(derivative::Derivative)] +#[derivative(PartialEq(bound = ""), Eq(bound = ""), Debug(bound = ""))] +pub struct CacheData { + pub result: QueryResult, + pub proof_tree: Option, + pub additional_depth: usize, + pub encountered_overflow: bool, +} From e7d2d95e5a6353e6cf0321c812c556130954302c Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Mon, 17 Jun 2024 11:03:06 -0400 Subject: [PATCH 1669/1716] Uplift PredefinedOpaquesData --- compiler/rustc_middle/src/arena.rs | 2 +- compiler/rustc_middle/src/traits/solve.rs | 12 +++--------- compiler/rustc_middle/src/ty/context.rs | 4 ++-- compiler/rustc_type_ir/src/solve.rs | 16 ++++++++++++++++ 4 files changed, 22 insertions(+), 12 deletions(-) diff --git a/compiler/rustc_middle/src/arena.rs b/compiler/rustc_middle/src/arena.rs index 3d4e5caa9b27..e3d7dff3c66b 100644 --- a/compiler/rustc_middle/src/arena.rs +++ b/compiler/rustc_middle/src/arena.rs @@ -111,7 +111,7 @@ macro_rules! arena_types { rustc_middle::ty::EarlyBinder<'tcx, rustc_middle::ty::Ty<'tcx>> >, [] external_constraints: rustc_middle::traits::solve::ExternalConstraintsData>, - [] predefined_opaques_in_body: rustc_middle::traits::solve::PredefinedOpaquesData<'tcx>, + [] predefined_opaques_in_body: rustc_middle::traits::solve::PredefinedOpaquesData>, [decode] doc_link_resolutions: rustc_hir::def::DocLinkResMap, [] stripped_cfg_items: rustc_ast::expand::StrippedCfgItem, [] mod_child: rustc_middle::metadata::ModChild, diff --git a/compiler/rustc_middle/src/traits/solve.rs b/compiler/rustc_middle/src/traits/solve.rs index 888e3aec5eaf..90f80f90767d 100644 --- a/compiler/rustc_middle/src/traits/solve.rs +++ b/compiler/rustc_middle/src/traits/solve.rs @@ -5,7 +5,7 @@ use rustc_type_ir as ir; pub use rustc_type_ir::solve::*; use crate::ty::{ - self, FallibleTypeFolder, Ty, TyCtxt, TypeFoldable, TypeFolder, TypeVisitable, TypeVisitor, + self, FallibleTypeFolder, TyCtxt, TypeFoldable, TypeFolder, TypeVisitable, TypeVisitor, }; mod cache; @@ -19,17 +19,11 @@ pub type CandidateSource<'tcx> = ir::solve::CandidateSource>; pub type CanonicalInput<'tcx, P = ty::Predicate<'tcx>> = ir::solve::CanonicalInput, P>; pub type CanonicalResponse<'tcx> = ir::solve::CanonicalResponse>; -/// Additional constraints returned on success. -#[derive(Debug, PartialEq, Eq, Clone, Hash, HashStable, Default)] -pub struct PredefinedOpaquesData<'tcx> { - pub opaque_types: Vec<(ty::OpaqueTypeKey<'tcx>, Ty<'tcx>)>, -} - #[derive(Debug, PartialEq, Eq, Copy, Clone, Hash, HashStable)] -pub struct PredefinedOpaques<'tcx>(pub(crate) Interned<'tcx, PredefinedOpaquesData<'tcx>>); +pub struct PredefinedOpaques<'tcx>(pub(crate) Interned<'tcx, PredefinedOpaquesData>>); impl<'tcx> std::ops::Deref for PredefinedOpaques<'tcx> { - type Target = PredefinedOpaquesData<'tcx>; + type Target = PredefinedOpaquesData>; fn deref(&self) -> &Self::Target { &self.0 diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index eec7fa8db1d1..828cd761c199 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -405,7 +405,7 @@ pub struct CtxtInterners<'tcx> { layout: InternedSet<'tcx, LayoutS>, adt_def: InternedSet<'tcx, AdtDefData>, external_constraints: InternedSet<'tcx, ExternalConstraintsData>>, - predefined_opaques_in_body: InternedSet<'tcx, PredefinedOpaquesData<'tcx>>, + predefined_opaques_in_body: InternedSet<'tcx, PredefinedOpaquesData>>, fields: InternedSet<'tcx, List>, local_def_ids: InternedSet<'tcx, List>, captures: InternedSet<'tcx, List<&'tcx ty::CapturedPlace<'tcx>>>, @@ -2117,7 +2117,7 @@ direct_interners! { adt_def: pub mk_adt_def_from_data(AdtDefData): AdtDef -> AdtDef<'tcx>, external_constraints: pub mk_external_constraints(ExternalConstraintsData>): ExternalConstraints -> ExternalConstraints<'tcx>, - predefined_opaques_in_body: pub mk_predefined_opaques_in_body(PredefinedOpaquesData<'tcx>): + predefined_opaques_in_body: pub mk_predefined_opaques_in_body(PredefinedOpaquesData>): PredefinedOpaques -> PredefinedOpaques<'tcx>, } diff --git a/compiler/rustc_type_ir/src/solve.rs b/compiler/rustc_type_ir/src/solve.rs index fc4df7ede9d3..7934f996f0bd 100644 --- a/compiler/rustc_type_ir/src/solve.rs +++ b/compiler/rustc_type_ir/src/solve.rs @@ -156,6 +156,22 @@ pub struct QueryInput { pub predefined_opaques_in_body: I::PredefinedOpaques, } +/// Opaques that are defined in the inference context before a query is called. +#[derive(derivative::Derivative)] +#[derivative( + Clone(bound = ""), + Hash(bound = ""), + PartialEq(bound = ""), + Eq(bound = ""), + Debug(bound = ""), + Default(bound = "") +)] +#[derive(TypeVisitable_Generic, TypeFoldable_Generic)] +#[cfg_attr(feature = "nightly", derive(TyDecodable, TyEncodable, HashStable_NoContext))] +pub struct PredefinedOpaquesData { + pub opaque_types: Vec<(ty::OpaqueTypeKey, I::Ty)>, +} + /// Possible ways the given goal can be proven. #[derive(derivative::Derivative)] #[derivative( From baf94bddf0503bb97376534d10883dbf678bfc6a Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Mon, 17 Jun 2024 11:58:38 -0400 Subject: [PATCH 1670/1716] SolverDelegate --- compiler/rustc_infer/src/infer/mod.rs | 151 +-------------- .../src/canonicalizer.rs | 11 +- .../src/infcx.rs | 10 +- compiler/rustc_next_trait_solver/src/lib.rs | 1 + .../rustc_next_trait_solver/src/resolve.rs | 11 +- .../src/solve/alias_relate.rs | 4 +- .../src/solve/assembly/mod.rs | 58 +++--- .../src/solve/assembly/structural_traits.rs | 15 +- .../src/solve/eval_ctxt/canonical.rs | 8 +- .../src/solve/eval_ctxt/mod.rs | 38 ++-- .../src/solve/eval_ctxt/probe.rs | 13 +- .../rustc_trait_selection/src/solve/infcx.rs | 178 ++++++++++++++++++ .../src/solve/inspect/analyse.rs | 9 +- .../src/solve/inspect/build.rs | 9 +- .../rustc_trait_selection/src/solve/mod.rs | 8 +- .../src/solve/normalizes_to/anon_const.rs | 4 +- .../src/solve/normalizes_to/inherent.rs | 5 +- .../src/solve/normalizes_to/mod.rs | 58 +++--- .../src/solve/normalizes_to/opaque_types.rs | 5 +- .../src/solve/normalizes_to/weak_types.rs | 5 +- .../src/solve/project_goals.rs | 4 +- .../src/solve/search_graph.rs | 8 +- .../src/solve/trait_goals.rs | 58 +++--- compiler/rustc_type_ir/src/lib.rs | 2 - 24 files changed, 363 insertions(+), 310 deletions(-) rename compiler/{rustc_type_ir => rustc_next_trait_solver}/src/infcx.rs (92%) create mode 100644 compiler/rustc_trait_selection/src/solve/infcx.rs diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs index 8412912b9f37..0125098e41f8 100644 --- a/compiler/rustc_infer/src/infer/mod.rs +++ b/compiler/rustc_infer/src/infer/mod.rs @@ -10,7 +10,7 @@ pub use BoundRegionConversionTime::*; pub use RegionVariableOrigin::*; pub use SubregionOrigin::*; -use crate::infer::relate::{Relate, RelateResult}; +use crate::infer::relate::RelateResult; use crate::traits::{self, ObligationCause, ObligationInspector, PredicateObligation, TraitEngine}; use error_reporting::TypeErrCtxt; use free_regions::RegionRelations; @@ -44,7 +44,7 @@ use rustc_middle::ty::{ConstVid, EffectVid, FloatVid, IntVid, TyVid}; use rustc_middle::ty::{GenericArg, GenericArgKind, GenericArgs, GenericArgsRef}; use rustc_middle::{bug, span_bug}; use rustc_span::symbol::Symbol; -use rustc_span::{Span, DUMMY_SP}; +use rustc_span::Span; use snapshot::undo_log::InferCtxtUndoLogs; use std::cell::{Cell, RefCell}; use std::fmt; @@ -334,149 +334,6 @@ pub struct InferCtxt<'tcx> { pub obligation_inspector: Cell>>, } -impl<'tcx> ty::InferCtxtLike for InferCtxt<'tcx> { - type Interner = TyCtxt<'tcx>; - - fn interner(&self) -> TyCtxt<'tcx> { - self.tcx - } - - fn universe_of_ty(&self, vid: TyVid) -> Option { - // FIXME(BoxyUwU): this is kind of jank and means that printing unresolved - // ty infers will give you the universe of the var it resolved to not the universe - // it actually had. It also means that if you have a `?0.1` and infer it to `u8` then - // try to print out `?0.1` it will just print `?0`. - match self.probe_ty_var(vid) { - Err(universe) => Some(universe), - Ok(_) => None, - } - } - - fn universe_of_lt(&self, lt: ty::RegionVid) -> Option { - match self.inner.borrow_mut().unwrap_region_constraints().probe_value(lt) { - Err(universe) => Some(universe), - Ok(_) => None, - } - } - - fn universe_of_ct(&self, ct: ConstVid) -> Option { - // Same issue as with `universe_of_ty` - match self.probe_const_var(ct) { - Err(universe) => Some(universe), - Ok(_) => None, - } - } - - fn root_ty_var(&self, var: TyVid) -> TyVid { - self.root_var(var) - } - - fn root_const_var(&self, var: ConstVid) -> ConstVid { - self.root_const_var(var) - } - - fn opportunistic_resolve_ty_var(&self, vid: TyVid) -> Ty<'tcx> { - match self.probe_ty_var(vid) { - Ok(ty) => ty, - Err(_) => Ty::new_var(self.tcx, self.root_var(vid)), - } - } - - fn opportunistic_resolve_int_var(&self, vid: IntVid) -> Ty<'tcx> { - self.opportunistic_resolve_int_var(vid) - } - - fn opportunistic_resolve_float_var(&self, vid: FloatVid) -> Ty<'tcx> { - self.opportunistic_resolve_float_var(vid) - } - - fn opportunistic_resolve_ct_var(&self, vid: ConstVid) -> ty::Const<'tcx> { - match self.probe_const_var(vid) { - Ok(ct) => ct, - Err(_) => ty::Const::new_var(self.tcx, self.root_const_var(vid)), - } - } - - fn opportunistic_resolve_effect_var(&self, vid: EffectVid) -> ty::Const<'tcx> { - match self.probe_effect_var(vid) { - Some(ct) => ct, - None => { - ty::Const::new_infer(self.tcx, InferConst::EffectVar(self.root_effect_var(vid))) - } - } - } - - fn opportunistic_resolve_lt_var(&self, vid: ty::RegionVid) -> ty::Region<'tcx> { - self.inner.borrow_mut().unwrap_region_constraints().opportunistic_resolve_var(self.tcx, vid) - } - - fn defining_opaque_types(&self) -> &'tcx ty::List { - self.defining_opaque_types - } - - fn next_ty_infer(&self) -> Ty<'tcx> { - self.next_ty_var(DUMMY_SP) - } - - fn next_const_infer(&self) -> ty::Const<'tcx> { - self.next_const_var(DUMMY_SP) - } - - fn fresh_args_for_item(&self, def_id: DefId) -> ty::GenericArgsRef<'tcx> { - self.fresh_args_for_item(DUMMY_SP, def_id) - } - - fn instantiate_binder_with_infer + Copy>( - &self, - value: ty::Binder<'tcx, T>, - ) -> T { - self.instantiate_binder_with_fresh_vars( - DUMMY_SP, - BoundRegionConversionTime::HigherRankedType, - value, - ) - } - - fn enter_forall> + Copy, U>( - &self, - value: ty::Binder<'tcx, T>, - f: impl FnOnce(T) -> U, - ) -> U { - self.enter_forall(value, f) - } - - fn relate>>( - &self, - param_env: ty::ParamEnv<'tcx>, - lhs: T, - variance: ty::Variance, - rhs: T, - ) -> Result>>, NoSolution> { - self.at(&ObligationCause::dummy(), param_env).relate_no_trace(lhs, variance, rhs) - } - - fn eq_structurally_relating_aliases>>( - &self, - param_env: ty::ParamEnv<'tcx>, - lhs: T, - rhs: T, - ) -> Result>>, NoSolution> { - self.at(&ObligationCause::dummy(), param_env) - .eq_structurally_relating_aliases_no_trace(lhs, rhs) - } - - fn resolve_vars_if_possible(&self, value: T) -> T - where - T: TypeFoldable>, - { - self.resolve_vars_if_possible(value) - } - - fn probe(&self, probe: impl FnOnce() -> T) -> T { - self.probe(|_| probe()) - } -} - /// See the `error_reporting` module for more details. #[derive(Clone, Copy, Debug, PartialEq, Eq, TypeFoldable, TypeVisitable)] pub enum ValuePairs<'tcx> { @@ -830,6 +687,10 @@ impl<'tcx> InferCtxt<'tcx> { self.tcx.dcx() } + pub fn defining_opaque_types(&self) -> &'tcx ty::List { + self.defining_opaque_types + } + pub fn next_trait_solver(&self) -> bool { self.next_trait_solver } diff --git a/compiler/rustc_next_trait_solver/src/canonicalizer.rs b/compiler/rustc_next_trait_solver/src/canonicalizer.rs index f22e24ef6541..a81fd03d034f 100644 --- a/compiler/rustc_next_trait_solver/src/canonicalizer.rs +++ b/compiler/rustc_next_trait_solver/src/canonicalizer.rs @@ -4,10 +4,11 @@ use rustc_type_ir::fold::{TypeFoldable, TypeFolder, TypeSuperFoldable}; use rustc_type_ir::inherent::*; use rustc_type_ir::visit::TypeVisitableExt; use rustc_type_ir::{ - self as ty, Canonical, CanonicalTyVarKind, CanonicalVarInfo, CanonicalVarKind, InferCtxtLike, - Interner, + self as ty, Canonical, CanonicalTyVarKind, CanonicalVarInfo, CanonicalVarKind, Interner, }; +use crate::infcx::SolverDelegate; + /// Whether we're canonicalizing a query input or the query response. /// /// When canonicalizing an input we're in the context of the caller @@ -37,7 +38,7 @@ pub enum CanonicalizeMode { }, } -pub struct Canonicalizer<'a, Infcx: InferCtxtLike, I: Interner> { +pub struct Canonicalizer<'a, Infcx: SolverDelegate, I: Interner> { infcx: &'a Infcx, canonicalize_mode: CanonicalizeMode, @@ -46,7 +47,7 @@ pub struct Canonicalizer<'a, Infcx: InferCtxtLike, I: Interner> { binder_index: ty::DebruijnIndex, } -impl<'a, Infcx: InferCtxtLike, I: Interner> Canonicalizer<'a, Infcx, I> { +impl<'a, Infcx: SolverDelegate, I: Interner> Canonicalizer<'a, Infcx, I> { pub fn canonicalize>( infcx: &'a Infcx, canonicalize_mode: CanonicalizeMode, @@ -210,7 +211,7 @@ impl<'a, Infcx: InferCtxtLike, I: Interner> Canonicalizer<'a, Infc } } -impl, I: Interner> TypeFolder +impl, I: Interner> TypeFolder for Canonicalizer<'_, Infcx, I> { fn interner(&self) -> I { diff --git a/compiler/rustc_type_ir/src/infcx.rs b/compiler/rustc_next_trait_solver/src/infcx.rs similarity index 92% rename from compiler/rustc_type_ir/src/infcx.rs rename to compiler/rustc_next_trait_solver/src/infcx.rs index 4a5f34e35420..cb46d8f8f735 100644 --- a/compiler/rustc_type_ir/src/infcx.rs +++ b/compiler/rustc_next_trait_solver/src/infcx.rs @@ -1,9 +1,9 @@ -use crate::fold::TypeFoldable; -use crate::relate::Relate; -use crate::solve::{Goal, NoSolution}; -use crate::{self as ty, Interner}; +use rustc_type_ir::fold::TypeFoldable; +use rustc_type_ir::relate::Relate; +use rustc_type_ir::solve::{Goal, NoSolution}; +use rustc_type_ir::{self as ty, Interner}; -pub trait InferCtxtLike: Sized { +pub trait SolverDelegate: Sized { type Interner: Interner; fn interner(&self) -> Self::Interner; diff --git a/compiler/rustc_next_trait_solver/src/lib.rs b/compiler/rustc_next_trait_solver/src/lib.rs index 144caf36ee53..ea3e18872fa4 100644 --- a/compiler/rustc_next_trait_solver/src/lib.rs +++ b/compiler/rustc_next_trait_solver/src/lib.rs @@ -5,5 +5,6 @@ //! So if you got to this crate from the old solver, it's totally normal. pub mod canonicalizer; +pub mod infcx; pub mod resolve; pub mod solve; diff --git a/compiler/rustc_next_trait_solver/src/resolve.rs b/compiler/rustc_next_trait_solver/src/resolve.rs index 5c00b6978d69..3d8d957eaae4 100644 --- a/compiler/rustc_next_trait_solver/src/resolve.rs +++ b/compiler/rustc_next_trait_solver/src/resolve.rs @@ -1,27 +1,28 @@ +use crate::infcx::SolverDelegate; use rustc_type_ir::fold::{TypeFoldable, TypeFolder, TypeSuperFoldable}; use rustc_type_ir::inherent::*; use rustc_type_ir::visit::TypeVisitableExt; -use rustc_type_ir::{self as ty, InferCtxtLike, Interner}; +use rustc_type_ir::{self as ty, Interner}; /////////////////////////////////////////////////////////////////////////// // EAGER RESOLUTION /// Resolves ty, region, and const vars to their inferred values or their root vars. -pub struct EagerResolver<'a, Infcx, I = ::Interner> +pub struct EagerResolver<'a, Infcx, I = ::Interner> where - Infcx: InferCtxtLike, + Infcx: SolverDelegate, I: Interner, { infcx: &'a Infcx, } -impl<'a, Infcx: InferCtxtLike> EagerResolver<'a, Infcx> { +impl<'a, Infcx: SolverDelegate> EagerResolver<'a, Infcx> { pub fn new(infcx: &'a Infcx) -> Self { EagerResolver { infcx } } } -impl, I: Interner> TypeFolder for EagerResolver<'_, Infcx> { +impl, I: Interner> TypeFolder for EagerResolver<'_, Infcx> { fn interner(&self) -> I { self.infcx.interner() } diff --git a/compiler/rustc_trait_selection/src/solve/alias_relate.rs b/compiler/rustc_trait_selection/src/solve/alias_relate.rs index 4e52caa5a5b8..722e86f5b847 100644 --- a/compiler/rustc_trait_selection/src/solve/alias_relate.rs +++ b/compiler/rustc_trait_selection/src/solve/alias_relate.rs @@ -15,12 +15,12 @@ //! (3.) Otherwise, if we end with two rigid (non-projection) or infer types, //! relate them structurally. +use super::infcx::SolverDelegate; use super::EvalCtxt; -use rustc_infer::infer::InferCtxt; use rustc_middle::traits::solve::{Certainty, Goal, QueryResult}; use rustc_middle::ty; -impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { +impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { #[instrument(level = "trace", skip(self), ret)] pub(super) fn compute_alias_relate_goal( &mut self, diff --git a/compiler/rustc_trait_selection/src/solve/assembly/mod.rs b/compiler/rustc_trait_selection/src/solve/assembly/mod.rs index 1cdbf0820780..45d21285ff13 100644 --- a/compiler/rustc_trait_selection/src/solve/assembly/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/assembly/mod.rs @@ -1,9 +1,9 @@ //! Code shared by trait and projection goals for candidate assembly. +use crate::solve::infcx::SolverDelegate; use derivative::Derivative; use rustc_hir::def_id::DefId; use rustc_hir::LangItem; -use rustc_infer::infer::InferCtxt; use rustc_infer::traits::query::NoSolution; use rustc_infer::traits::util::supertraits; use rustc_middle::bug; @@ -51,18 +51,18 @@ pub(super) trait GoalKind<'tcx>: /// work, then produce a response (typically by executing /// [`EvalCtxt::evaluate_added_goals_and_make_canonical_response`]). fn probe_and_match_goal_against_assumption( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, source: CandidateSource>, goal: Goal<'tcx, Self>, assumption: ty::Clause<'tcx>, - then: impl FnOnce(&mut EvalCtxt<'_, InferCtxt<'tcx>>) -> QueryResult<'tcx>, + then: impl FnOnce(&mut EvalCtxt<'_, SolverDelegate<'tcx>>) -> QueryResult<'tcx>, ) -> Result>, NoSolution>; /// Consider a clause, which consists of a "assumption" and some "requirements", /// to satisfy a goal. If the requirements hold, then attempt to satisfy our /// goal by equating it with the assumption. fn probe_and_consider_implied_clause( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, parent_source: CandidateSource>, goal: Goal<'tcx, Self>, assumption: ty::Clause<'tcx>, @@ -80,7 +80,7 @@ pub(super) trait GoalKind<'tcx>: /// additionally checking all of the supertraits and object bounds to hold, /// since they're not implied by the well-formedness of the object type. fn probe_and_consider_object_bound_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, source: CandidateSource>, goal: Goal<'tcx, Self>, assumption: ty::Clause<'tcx>, @@ -104,7 +104,7 @@ pub(super) trait GoalKind<'tcx>: } fn consider_impl_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, impl_def_id: DefId, ) -> Result>, NoSolution>; @@ -116,7 +116,7 @@ pub(super) trait GoalKind<'tcx>: /// Trait goals always hold while projection goals never do. This is a bit arbitrary /// but prevents incorrect normalization while hiding any trait errors. fn consider_error_guaranteed_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, guar: ErrorGuaranteed, ) -> Result>, NoSolution>; @@ -125,13 +125,13 @@ pub(super) trait GoalKind<'tcx>: /// These components are given by built-in rules from /// [`structural_traits::instantiate_constituent_tys_for_auto_trait`]. fn consider_auto_trait_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution>; /// A trait alias holds if the RHS traits and `where` clauses hold. fn consider_trait_alias_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution>; @@ -140,7 +140,7 @@ pub(super) trait GoalKind<'tcx>: /// These components are given by built-in rules from /// [`structural_traits::instantiate_constituent_tys_for_sized_trait`]. fn consider_builtin_sized_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution>; @@ -149,27 +149,27 @@ pub(super) trait GoalKind<'tcx>: /// These components are given by built-in rules from /// [`structural_traits::instantiate_constituent_tys_for_copy_clone_trait`]. fn consider_builtin_copy_clone_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution>; /// A type is `PointerLike` if we can compute its layout, and that layout /// matches the layout of `usize`. fn consider_builtin_pointer_like_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution>; /// A type is a `FnPtr` if it is of `FnPtr` type. fn consider_builtin_fn_ptr_trait_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution>; /// A callable type (a closure, fn def, or fn ptr) is known to implement the `Fn` /// family of traits where `A` is given by the signature of the type. fn consider_builtin_fn_trait_candidates( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, kind: ty::ClosureKind, ) -> Result>, NoSolution>; @@ -177,7 +177,7 @@ pub(super) trait GoalKind<'tcx>: /// An async closure is known to implement the `AsyncFn` family of traits /// where `A` is given by the signature of the type. fn consider_builtin_async_fn_trait_candidates( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, kind: ty::ClosureKind, ) -> Result>, NoSolution>; @@ -186,13 +186,13 @@ pub(super) trait GoalKind<'tcx>: /// is used internally to delay computation for async closures until after /// upvar analysis is performed in HIR typeck. fn consider_builtin_async_fn_kind_helper_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution>; /// `Tuple` is implemented if the `Self` type is a tuple. fn consider_builtin_tuple_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution>; @@ -202,7 +202,7 @@ pub(super) trait GoalKind<'tcx>: /// the built-in types. For structs, the metadata type is given by the struct /// tail. fn consider_builtin_pointee_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution>; @@ -210,7 +210,7 @@ pub(super) trait GoalKind<'tcx>: /// `Future`, where `O` is given by the coroutine's return type /// that was computed during type-checking. fn consider_builtin_future_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution>; @@ -218,19 +218,19 @@ pub(super) trait GoalKind<'tcx>: /// `Iterator`, where `O` is given by the generator's yield type /// that was computed during type-checking. fn consider_builtin_iterator_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution>; /// A coroutine (that comes from a `gen` desugaring) is known to implement /// `FusedIterator` fn consider_builtin_fused_iterator_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution>; fn consider_builtin_async_iterator_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution>; @@ -238,27 +238,27 @@ pub(super) trait GoalKind<'tcx>: /// implement `Coroutine`, given the resume, yield, /// and return types of the coroutine computed during type-checking. fn consider_builtin_coroutine_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution>; fn consider_builtin_discriminant_kind_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution>; fn consider_builtin_async_destruct_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution>; fn consider_builtin_destruct_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution>; fn consider_builtin_transmute_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution>; @@ -270,12 +270,12 @@ pub(super) trait GoalKind<'tcx>: /// otherwise recompute this for codegen. This is a bit of a mess but the /// easiest way to maintain the existing behavior for now. fn consider_structural_builtin_unsize_candidates( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Vec>>; } -impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { +impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { pub(super) fn assemble_and_evaluate_candidates>( &mut self, goal: Goal<'tcx, G>, diff --git a/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs b/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs index d6074617cafe..496be3af5739 100644 --- a/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs +++ b/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs @@ -3,11 +3,12 @@ use rustc_ast_ir::{Movability, Mutability}; use rustc_data_structures::fx::FxHashMap; +use rustc_next_trait_solver::infcx::SolverDelegate; use rustc_next_trait_solver::solve::{Goal, NoSolution}; use rustc_type_ir::fold::{TypeFoldable, TypeFolder, TypeSuperFoldable}; use rustc_type_ir::inherent::*; use rustc_type_ir::lang_items::TraitSolverLangItem; -use rustc_type_ir::{self as ty, InferCtxtLike, Interner, Upcast}; +use rustc_type_ir::{self as ty, Interner, Upcast}; use rustc_type_ir_macros::{TypeFoldable_Generic, TypeVisitable_Generic}; use crate::solve::EvalCtxt; @@ -22,7 +23,7 @@ pub(in crate::solve) fn instantiate_constituent_tys_for_auto_trait( ty: I::Ty, ) -> Result>, NoSolution> where - Infcx: InferCtxtLike, + Infcx: SolverDelegate, I: Interner, { let tcx = ecx.interner(); @@ -108,7 +109,7 @@ pub(in crate::solve) fn instantiate_constituent_tys_for_sized_trait( ty: I::Ty, ) -> Result>, NoSolution> where - Infcx: InferCtxtLike, + Infcx: SolverDelegate, I: Interner, { match ty.kind() { @@ -176,7 +177,7 @@ pub(in crate::solve) fn instantiate_constituent_tys_for_copy_clone_trait Result>, NoSolution> where - Infcx: InferCtxtLike, + Infcx: SolverDelegate, I: Interner, { match ty.kind() { @@ -663,7 +664,7 @@ pub(in crate::solve) fn predicates_for_object_candidate( object_bounds: I::BoundExistentialPredicates, ) -> Vec> where - Infcx: InferCtxtLike, + Infcx: SolverDelegate, I: Interner, { let tcx = ecx.interner(); @@ -712,14 +713,14 @@ where .collect() } -struct ReplaceProjectionWith<'a, Infcx: InferCtxtLike, I: Interner> { +struct ReplaceProjectionWith<'a, Infcx: SolverDelegate, I: Interner> { ecx: &'a EvalCtxt<'a, Infcx>, param_env: I::ParamEnv, mapping: FxHashMap>>, nested: Vec>, } -impl, I: Interner> TypeFolder +impl, I: Interner> TypeFolder for ReplaceProjectionWith<'_, Infcx, I> { fn interner(&self) -> I { diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs index b5753d60f599..3ba17a0dcf9e 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs @@ -10,6 +10,7 @@ //! [c]: https://rustc-dev-guide.rust-lang.org/solve/canonicalization.html use super::{CanonicalInput, Certainty, EvalCtxt, Goal}; use crate::solve::eval_ctxt::NestedGoals; +use crate::solve::infcx::SolverDelegate; use crate::solve::{ inspect, response_no_constraints_raw, CanonicalResponse, QueryResult, Response, }; @@ -29,10 +30,11 @@ use rustc_middle::traits::solve::{ use rustc_middle::traits::ObligationCause; use rustc_middle::ty::{self, BoundVar, GenericArgKind, Ty, TyCtxt, TypeFoldable}; use rustc_next_trait_solver::canonicalizer::{CanonicalizeMode, Canonicalizer}; +use rustc_next_trait_solver::infcx::SolverDelegate as IrSolverDelegate; use rustc_next_trait_solver::resolve::EagerResolver; use rustc_span::{Span, DUMMY_SP}; use rustc_type_ir::CanonicalVarValues; -use rustc_type_ir::{InferCtxtLike, Interner}; +use rustc_type_ir::Interner; use std::assert_matches::assert_matches; use std::iter; use std::ops::Deref; @@ -53,7 +55,7 @@ impl<'tcx, T> ResponseT<'tcx> for inspect::State, T> { } } -impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { +impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { /// Canonicalizes the goal remembering the original values /// for each bound variable. pub(super) fn canonicalize_goal>>( @@ -410,7 +412,7 @@ pub(in crate::solve) fn make_canonical_state( data: T, ) -> inspect::CanonicalState where - Infcx: InferCtxtLike, + Infcx: IrSolverDelegate, I: Interner, T: TypeFoldable, { diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs index 74938d2bbd70..c1fca092a088 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs @@ -11,9 +11,8 @@ use rustc_middle::traits::solve::{ }; use rustc_middle::ty::AliasRelationDirection; use rustc_middle::ty::TypeFolder; -use rustc_middle::ty::{ - self, InferCtxtLike, OpaqueTypeKey, Ty, TyCtxt, TypeFoldable, TypeVisitableExt, -}; +use rustc_middle::ty::{self, OpaqueTypeKey, Ty, TyCtxt, TypeFoldable, TypeVisitableExt}; +use rustc_next_trait_solver::infcx::SolverDelegate as IrSolverDelegate; use rustc_span::DUMMY_SP; use rustc_type_ir::fold::TypeSuperFoldable; use rustc_type_ir::inherent::*; @@ -23,6 +22,7 @@ use rustc_type_ir::{self as ir, CanonicalVarValues, Interner}; use rustc_type_ir_macros::{Lift_Generic, TypeFoldable_Generic, TypeVisitable_Generic}; use std::ops::ControlFlow; +use crate::solve::infcx::SolverDelegate; use crate::traits::coherence; use super::inspect::ProofTreeBuilder; @@ -33,9 +33,9 @@ use super::{GoalSource, SolverMode}; pub(super) mod canonical; mod probe; -pub struct EvalCtxt<'a, Infcx, I = ::Interner> +pub struct EvalCtxt<'a, Infcx, I = ::Interner> where - Infcx: InferCtxtLike, + Infcx: IrSolverDelegate, I: Interner, { /// The inference context that backs (mostly) inference and placeholder terms @@ -152,7 +152,7 @@ impl<'tcx> InferCtxt<'tcx> { } } -impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { +impl<'a, 'tcx> EvalCtxt<'a, SolverDelegate<'tcx>> { pub(super) fn solver_mode(&self) -> SolverMode { self.search_graph.solver_mode() } @@ -167,13 +167,13 @@ impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { pub(super) fn enter_root( infcx: &InferCtxt<'tcx>, generate_proof_tree: GenerateProofTree, - f: impl FnOnce(&mut EvalCtxt<'_, InferCtxt<'tcx>>) -> R, + f: impl FnOnce(&mut EvalCtxt<'_, SolverDelegate<'tcx>>) -> R, ) -> (R, Option>>) { let mode = if infcx.intercrate { SolverMode::Coherence } else { SolverMode::Normal }; let mut search_graph = search_graph::SearchGraph::new(mode); let mut ecx = EvalCtxt { - infcx, + infcx: <&SolverDelegate<'tcx>>::from(infcx), search_graph: &mut search_graph, nested_goals: NestedGoals::new(), inspect: ProofTreeBuilder::new_maybe_root(generate_proof_tree), @@ -213,8 +213,8 @@ impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { tcx: TyCtxt<'tcx>, search_graph: &'a mut search_graph::SearchGraph>, canonical_input: CanonicalInput<'tcx>, - canonical_goal_evaluation: &mut ProofTreeBuilder>, - f: impl FnOnce(&mut EvalCtxt<'_, InferCtxt<'tcx>>, Goal<'tcx, ty::Predicate<'tcx>>) -> R, + canonical_goal_evaluation: &mut ProofTreeBuilder>, + f: impl FnOnce(&mut EvalCtxt<'_, SolverDelegate<'tcx>>, Goal<'tcx, ty::Predicate<'tcx>>) -> R, ) -> R { let intercrate = match search_graph.solver_mode() { SolverMode::Normal => false, @@ -227,7 +227,7 @@ impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { .build_with_canonical(DUMMY_SP, &canonical_input); let mut ecx = EvalCtxt { - infcx, + infcx: <&SolverDelegate<'tcx>>::from(infcx), variables: canonical_input.variables, var_values, is_normalizes_to_goal: false, @@ -275,7 +275,7 @@ impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { tcx: TyCtxt<'tcx>, search_graph: &'a mut search_graph::SearchGraph>, canonical_input: CanonicalInput<'tcx>, - goal_evaluation: &mut ProofTreeBuilder>, + goal_evaluation: &mut ProofTreeBuilder>, ) -> QueryResult<'tcx> { let mut canonical_goal_evaluation = goal_evaluation.new_canonical_goal_evaluation(canonical_input); @@ -570,7 +570,7 @@ impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { } } -impl, I: Interner> EvalCtxt<'_, Infcx> { +impl, I: Interner> EvalCtxt<'_, Infcx> { pub(super) fn interner(&self) -> I { self.infcx.interner() } @@ -658,13 +658,13 @@ impl, I: Interner> EvalCtxt<'_, Infcx> { } }; - struct ContainsTermOrNotNameable<'a, Infcx: InferCtxtLike, I: Interner> { + struct ContainsTermOrNotNameable<'a, Infcx: IrSolverDelegate, I: Interner> { term: I::Term, universe_of_term: ir::UniverseIndex, infcx: &'a Infcx, } - impl, I: Interner> ContainsTermOrNotNameable<'_, Infcx, I> { + impl, I: Interner> ContainsTermOrNotNameable<'_, Infcx, I> { fn check_nameable(&self, universe: ir::UniverseIndex) -> ControlFlow<()> { if self.universe_of_term.can_name(universe) { ControlFlow::Continue(()) @@ -674,7 +674,7 @@ impl, I: Interner> EvalCtxt<'_, Infcx> { } } - impl, I: Interner> TypeVisitor + impl, I: Interner> TypeVisitor for ContainsTermOrNotNameable<'_, Infcx, I> { type Result = ControlFlow<()>; @@ -865,7 +865,7 @@ impl, I: Interner> EvalCtxt<'_, Infcx> { } } -impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { +impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { pub(super) fn register_ty_outlives(&self, ty: Ty<'tcx>, lt: ty::Region<'tcx>) { self.infcx.register_region_obligation_with_cause(ty, lt, &ObligationCause::dummy()); } @@ -1030,7 +1030,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { /// solving. See tests/ui/traits/next-solver/cycles/cycle-modulo-ambig-aliases.rs. struct ReplaceAliasWithInfer<'me, 'a, Infcx, I> where - Infcx: InferCtxtLike, + Infcx: IrSolverDelegate, I: Interner, { ecx: &'me mut EvalCtxt<'a, Infcx>, @@ -1039,7 +1039,7 @@ where impl TypeFolder for ReplaceAliasWithInfer<'_, '_, Infcx, I> where - Infcx: InferCtxtLike, + Infcx: IrSolverDelegate, I: Interner, { fn interner(&self) -> I { diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/probe.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/probe.rs index ad6fdd2707de..00fe237735b6 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/probe.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/probe.rs @@ -1,15 +1,16 @@ use crate::solve::assembly::Candidate; use super::EvalCtxt; +use rustc_next_trait_solver::infcx::SolverDelegate; use rustc_next_trait_solver::solve::{ inspect, BuiltinImplSource, CandidateSource, NoSolution, QueryResult, }; -use rustc_type_ir::{InferCtxtLike, Interner}; +use rustc_type_ir::Interner; use std::marker::PhantomData; pub(in crate::solve) struct ProbeCtxt<'me, 'a, Infcx, I, F, T> where - Infcx: InferCtxtLike, + Infcx: SolverDelegate, I: Interner, { ecx: &'me mut EvalCtxt<'a, Infcx, I>, @@ -20,7 +21,7 @@ where impl ProbeCtxt<'_, '_, Infcx, I, F, T> where F: FnOnce(&T) -> inspect::ProbeKind, - Infcx: InferCtxtLike, + Infcx: SolverDelegate, I: Interner, { pub(in crate::solve) fn enter(self, f: impl FnOnce(&mut EvalCtxt<'_, Infcx>) -> T) -> T { @@ -56,7 +57,7 @@ where pub(in crate::solve) struct TraitProbeCtxt<'me, 'a, Infcx, I, F> where - Infcx: InferCtxtLike, + Infcx: SolverDelegate, I: Interner, { cx: ProbeCtxt<'me, 'a, Infcx, I, F, QueryResult>, @@ -65,7 +66,7 @@ where impl TraitProbeCtxt<'_, '_, Infcx, I, F> where - Infcx: InferCtxtLike, + Infcx: SolverDelegate, I: Interner, F: FnOnce(&QueryResult) -> inspect::ProbeKind, { @@ -80,7 +81,7 @@ where impl<'a, Infcx, I> EvalCtxt<'a, Infcx, I> where - Infcx: InferCtxtLike, + Infcx: SolverDelegate, I: Interner, { /// `probe_kind` is only called when proof tree building is enabled so it can be diff --git a/compiler/rustc_trait_selection/src/solve/infcx.rs b/compiler/rustc_trait_selection/src/solve/infcx.rs new file mode 100644 index 000000000000..c73c49aa9b8a --- /dev/null +++ b/compiler/rustc_trait_selection/src/solve/infcx.rs @@ -0,0 +1,178 @@ +use std::ops::Deref; + +use rustc_hir::def_id::{DefId, LocalDefId}; +use rustc_infer::infer::{BoundRegionConversionTime, InferCtxt}; +use rustc_infer::traits::solve::Goal; +use rustc_infer::traits::ObligationCause; +use rustc_middle::ty::fold::TypeFoldable; +use rustc_middle::ty::{self, Ty, TyCtxt}; +use rustc_span::DUMMY_SP; +use rustc_type_ir::relate::Relate; +use rustc_type_ir::solve::NoSolution; + +#[repr(transparent)] +pub struct SolverDelegate<'tcx>(InferCtxt<'tcx>); + +impl<'a, 'tcx> From<&'a InferCtxt<'tcx>> for &'a SolverDelegate<'tcx> { + fn from(infcx: &'a InferCtxt<'tcx>) -> Self { + // SAFETY: `repr(transparent)` + unsafe { std::mem::transmute(infcx) } + } +} + +impl<'tcx> Deref for SolverDelegate<'tcx> { + type Target = InferCtxt<'tcx>; + + fn deref(&self) -> &Self::Target { + &self.0 + } +} + +impl<'tcx> rustc_next_trait_solver::infcx::SolverDelegate for SolverDelegate<'tcx> { + type Interner = TyCtxt<'tcx>; + + fn interner(&self) -> TyCtxt<'tcx> { + (**self).tcx + } + + fn universe_of_ty(&self, vid: ty::TyVid) -> Option { + // FIXME(BoxyUwU): this is kind of jank and means that printing unresolved + // ty infers will give you the universe of the var it resolved to not the universe + // it actually had. It also means that if you have a `?0.1` and infer it to `u8` then + // try to print out `?0.1` it will just print `?0`. + match (**self).probe_ty_var(vid) { + Err(universe) => Some(universe), + Ok(_) => None, + } + } + + fn universe_of_lt(&self, lt: ty::RegionVid) -> Option { + match (**self).inner.borrow_mut().unwrap_region_constraints().probe_value(lt) { + Err(universe) => Some(universe), + Ok(_) => None, + } + } + + fn universe_of_ct(&self, ct: ty::ConstVid) -> Option { + // Same issue as with `universe_of_ty` + match (**self).probe_const_var(ct) { + Err(universe) => Some(universe), + Ok(_) => None, + } + } + + fn root_ty_var(&self, var: ty::TyVid) -> ty::TyVid { + (**self).root_var(var) + } + + fn root_const_var(&self, var: ty::ConstVid) -> ty::ConstVid { + (**self).root_const_var(var) + } + + fn opportunistic_resolve_ty_var(&self, vid: ty::TyVid) -> Ty<'tcx> { + match (**self).probe_ty_var(vid) { + Ok(ty) => ty, + Err(_) => Ty::new_var((**self).tcx, (**self).root_var(vid)), + } + } + + fn opportunistic_resolve_int_var(&self, vid: ty::IntVid) -> Ty<'tcx> { + (**self).opportunistic_resolve_int_var(vid) + } + + fn opportunistic_resolve_float_var(&self, vid: ty::FloatVid) -> Ty<'tcx> { + (**self).opportunistic_resolve_float_var(vid) + } + + fn opportunistic_resolve_ct_var(&self, vid: ty::ConstVid) -> ty::Const<'tcx> { + match (**self).probe_const_var(vid) { + Ok(ct) => ct, + Err(_) => ty::Const::new_var((**self).tcx, (**self).root_const_var(vid)), + } + } + + fn opportunistic_resolve_effect_var(&self, vid: ty::EffectVid) -> ty::Const<'tcx> { + match (**self).probe_effect_var(vid) { + Some(ct) => ct, + None => ty::Const::new_infer( + (**self).tcx, + ty::InferConst::EffectVar((**self).root_effect_var(vid)), + ), + } + } + + fn opportunistic_resolve_lt_var(&self, vid: ty::RegionVid) -> ty::Region<'tcx> { + (**self) + .inner + .borrow_mut() + .unwrap_region_constraints() + .opportunistic_resolve_var((**self).tcx, vid) + } + + fn defining_opaque_types(&self) -> &'tcx ty::List { + (**self).defining_opaque_types() + } + + fn next_ty_infer(&self) -> Ty<'tcx> { + (**self).next_ty_var(DUMMY_SP) + } + + fn next_const_infer(&self) -> ty::Const<'tcx> { + (**self).next_const_var(DUMMY_SP) + } + + fn fresh_args_for_item(&self, def_id: DefId) -> ty::GenericArgsRef<'tcx> { + (**self).fresh_args_for_item(DUMMY_SP, def_id) + } + + fn instantiate_binder_with_infer + Copy>( + &self, + value: ty::Binder<'tcx, T>, + ) -> T { + (**self).instantiate_binder_with_fresh_vars( + DUMMY_SP, + BoundRegionConversionTime::HigherRankedType, + value, + ) + } + + fn enter_forall> + Copy, U>( + &self, + value: ty::Binder<'tcx, T>, + f: impl FnOnce(T) -> U, + ) -> U { + (**self).enter_forall(value, f) + } + + fn relate>>( + &self, + param_env: ty::ParamEnv<'tcx>, + lhs: T, + variance: ty::Variance, + rhs: T, + ) -> Result>>, NoSolution> { + (**self).at(&ObligationCause::dummy(), param_env).relate_no_trace(lhs, variance, rhs) + } + + fn eq_structurally_relating_aliases>>( + &self, + param_env: ty::ParamEnv<'tcx>, + lhs: T, + rhs: T, + ) -> Result>>, NoSolution> { + (**self) + .at(&ObligationCause::dummy(), param_env) + .eq_structurally_relating_aliases_no_trace(lhs, rhs) + } + + fn resolve_vars_if_possible(&self, value: T) -> T + where + T: TypeFoldable>, + { + (**self).resolve_vars_if_possible(value) + } + + fn probe(&self, probe: impl FnOnce() -> T) -> T { + (**self).probe(|_| probe()) + } +} diff --git a/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs b/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs index 464c188b6e32..db8f15118e14 100644 --- a/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs +++ b/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs @@ -23,6 +23,7 @@ use rustc_next_trait_solver::resolve::EagerResolver; use rustc_span::{Span, DUMMY_SP}; use crate::solve::eval_ctxt::canonical; +use crate::solve::infcx::SolverDelegate; use crate::solve::{EvalCtxt, GoalEvaluationKind, GoalSource}; use crate::solve::{GenerateProofTree, InferCtxtEvalExt}; use crate::traits::ObligationCtxt; @@ -199,8 +200,9 @@ impl<'a, 'tcx> InspectCandidate<'a, 'tcx> { let _ = term_hack.constrain(infcx, span, param_env); } - let opt_impl_args = - opt_impl_args.map(|impl_args| impl_args.fold_with(&mut EagerResolver::new(infcx))); + let opt_impl_args = opt_impl_args.map(|impl_args| { + impl_args.fold_with(&mut EagerResolver::new(<&SolverDelegate<'tcx>>::from(infcx))) + }); let goals = instantiated_goals .into_iter() @@ -403,7 +405,8 @@ impl<'a, 'tcx> InspectGoal<'a, 'tcx> { infcx, depth, orig_values, - goal: uncanonicalized_goal.fold_with(&mut EagerResolver::new(infcx)), + goal: uncanonicalized_goal + .fold_with(&mut EagerResolver::new(<&SolverDelegate<'tcx>>::from(infcx))), result, evaluation_kind: evaluation.kind, normalizes_to_term_hack, diff --git a/compiler/rustc_trait_selection/src/solve/inspect/build.rs b/compiler/rustc_trait_selection/src/solve/inspect/build.rs index 35750598bc74..d750cd963de7 100644 --- a/compiler/rustc_trait_selection/src/solve/inspect/build.rs +++ b/compiler/rustc_trait_selection/src/solve/inspect/build.rs @@ -9,10 +9,11 @@ use std::mem; use crate::solve::eval_ctxt::canonical; use crate::solve::{self, inspect, GenerateProofTree}; use rustc_middle::bug; +use rustc_next_trait_solver::infcx::SolverDelegate; use rustc_next_trait_solver::solve::{ CanonicalInput, Certainty, Goal, GoalSource, QueryInput, QueryResult, }; -use rustc_type_ir::{self as ty, InferCtxtLike, Interner}; +use rustc_type_ir::{self as ty, Interner}; /// The core data structure when building proof trees. /// @@ -34,9 +35,9 @@ use rustc_type_ir::{self as ty, InferCtxtLike, Interner}; /// trees. At the end of trait solving `ProofTreeBuilder::finalize` /// is called to recursively convert the whole structure to a /// finished proof tree. -pub(in crate::solve) struct ProofTreeBuilder::Interner> +pub(in crate::solve) struct ProofTreeBuilder::Interner> where - Infcx: InferCtxtLike, + Infcx: SolverDelegate, I: Interner, { _infcx: PhantomData, @@ -232,7 +233,7 @@ impl WipProbeStep { } } -impl, I: Interner> ProofTreeBuilder { +impl, I: Interner> ProofTreeBuilder { fn new(state: impl Into>) -> ProofTreeBuilder { ProofTreeBuilder { state: Some(Box::new(state.into())), _infcx: PhantomData } } diff --git a/compiler/rustc_trait_selection/src/solve/mod.rs b/compiler/rustc_trait_selection/src/solve/mod.rs index 7b6e525370c3..3b43c0e3e70e 100644 --- a/compiler/rustc_trait_selection/src/solve/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/mod.rs @@ -13,9 +13,10 @@ //! //! FIXME(@lcnr): Write that section. If you read this before then ask me //! about it on zulip. + +use self::infcx::SolverDelegate; use rustc_hir::def_id::DefId; use rustc_infer::infer::canonical::Canonical; -use rustc_infer::infer::InferCtxt; use rustc_infer::traits::query::NoSolution; use rustc_macros::extension; use rustc_middle::bug; @@ -33,6 +34,7 @@ mod alias_relate; mod assembly; mod eval_ctxt; mod fulfill; +mod infcx; pub mod inspect; mod normalize; mod normalizes_to; @@ -73,7 +75,7 @@ impl<'tcx> Canonical<'tcx, Response>> { } } -impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { +impl<'a, 'tcx> EvalCtxt<'a, SolverDelegate<'tcx>> { #[instrument(level = "trace", skip(self))] fn compute_type_outlives_goal( &mut self, @@ -224,7 +226,7 @@ impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { } } -impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { +impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { /// Try to merge multiple possible ways to prove a goal, if that is not possible returns `None`. /// /// In this case we tend to flounder and return ambiguity by calling `[EvalCtxt::flounder]`. diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/anon_const.rs b/compiler/rustc_trait_selection/src/solve/normalizes_to/anon_const.rs index a6e4b6ff4a81..064018e89b82 100644 --- a/compiler/rustc_trait_selection/src/solve/normalizes_to/anon_const.rs +++ b/compiler/rustc_trait_selection/src/solve/normalizes_to/anon_const.rs @@ -1,9 +1,9 @@ +use crate::solve::infcx::SolverDelegate; use crate::solve::EvalCtxt; -use rustc_infer::infer::InferCtxt; use rustc_middle::traits::solve::{Certainty, Goal, QueryResult}; use rustc_middle::ty; -impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { +impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { #[instrument(level = "trace", skip(self), ret)] pub(super) fn normalize_anon_const( &mut self, diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/inherent.rs b/compiler/rustc_trait_selection/src/solve/normalizes_to/inherent.rs index 41b2b9cd4d26..48d45fe510d6 100644 --- a/compiler/rustc_trait_selection/src/solve/normalizes_to/inherent.rs +++ b/compiler/rustc_trait_selection/src/solve/normalizes_to/inherent.rs @@ -4,13 +4,14 @@ //! 1. instantiate generic parameters, //! 2. equate the self type, and //! 3. instantiate and register where clauses. -use rustc_infer::infer::InferCtxt; + +use crate::solve::infcx::SolverDelegate; use rustc_middle::traits::solve::{Certainty, Goal, GoalSource, QueryResult}; use rustc_middle::ty; use crate::solve::EvalCtxt; -impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { +impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { pub(super) fn normalize_inherent_associated_type( &mut self, goal: Goal<'tcx, ty::NormalizesTo<'tcx>>, diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs b/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs index 5c5923e9d396..0aa10afbee7f 100644 --- a/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs @@ -2,10 +2,10 @@ use crate::traits::specialization_graph::{self, LeafDef, Node}; use super::assembly::structural_traits::AsyncCallableRelevantTypes; use super::assembly::{self, structural_traits, Candidate}; +use super::infcx::SolverDelegate; use super::{EvalCtxt, GoalSource}; use rustc_hir::def_id::DefId; use rustc_hir::LangItem; -use rustc_infer::infer::InferCtxt; use rustc_infer::traits::query::NoSolution; use rustc_infer::traits::solve::inspect::ProbeKind; use rustc_infer::traits::solve::MaybeCause; @@ -24,7 +24,7 @@ mod inherent; mod opaque_types; mod weak_types; -impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { +impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { #[instrument(level = "trace", skip(self), ret)] pub(super) fn compute_normalizes_to_goal( &mut self, @@ -98,11 +98,11 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn probe_and_match_goal_against_assumption( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, source: CandidateSource<'tcx>, goal: Goal<'tcx, Self>, assumption: ty::Clause<'tcx>, - then: impl FnOnce(&mut EvalCtxt<'_, InferCtxt<'tcx>>) -> QueryResult<'tcx>, + then: impl FnOnce(&mut EvalCtxt<'_, SolverDelegate<'tcx>>) -> QueryResult<'tcx>, ) -> Result>, NoSolution> { if let Some(projection_pred) = assumption.as_projection_clause() { if projection_pred.projection_def_id() == goal.predicate.def_id() { @@ -137,7 +137,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_impl_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, NormalizesTo<'tcx>>, impl_def_id: DefId, ) -> Result>, NoSolution> { @@ -198,7 +198,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { return ecx.evaluate_added_goals_and_make_canonical_response(Certainty::AMBIGUOUS); }; - let error_response = |ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, reason| { + let error_response = |ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, reason| { let guar = tcx.dcx().span_delayed_bug(tcx.def_span(assoc_def.item.def_id), reason); let error_term = match goal.predicate.alias.kind(tcx) { ty::AliasTermKind::ProjectionTy => Ty::new_error(tcx, guar).into(), @@ -263,14 +263,14 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { /// Fail to normalize if the predicate contains an error, alternatively, we could normalize to `ty::Error` /// and succeed. Can experiment with this to figure out what results in better error messages. fn consider_error_guaranteed_candidate( - _ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + _ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, _guar: ErrorGuaranteed, ) -> Result>, NoSolution> { Err(NoSolution) } fn consider_auto_trait_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { ecx.interner().dcx().span_delayed_bug( @@ -281,42 +281,42 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_trait_alias_candidate( - _ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + _ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { bug!("trait aliases do not have associated types: {:?}", goal); } fn consider_builtin_sized_candidate( - _ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + _ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { bug!("`Sized` does not have an associated type: {:?}", goal); } fn consider_builtin_copy_clone_candidate( - _ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + _ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { bug!("`Copy`/`Clone` does not have an associated type: {:?}", goal); } fn consider_builtin_pointer_like_candidate( - _ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + _ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { bug!("`PointerLike` does not have an associated type: {:?}", goal); } fn consider_builtin_fn_ptr_trait_candidate( - _ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + _ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { bug!("`FnPtr` does not have an associated type: {:?}", goal); } fn consider_builtin_fn_trait_candidates( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, goal_kind: ty::ClosureKind, ) -> Result>, NoSolution> { @@ -359,7 +359,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_builtin_async_fn_trait_candidates( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, goal_kind: ty::ClosureKind, ) -> Result>, NoSolution> { @@ -450,7 +450,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_builtin_async_fn_kind_helper_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { let [ @@ -497,14 +497,14 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_builtin_tuple_candidate( - _ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + _ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { bug!("`Tuple` does not have an associated type: {:?}", goal); } fn consider_builtin_pointee_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { let tcx = ecx.interner(); @@ -586,7 +586,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_builtin_future_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { let self_ty = goal.predicate.self_ty(); @@ -622,7 +622,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_builtin_iterator_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { let self_ty = goal.predicate.self_ty(); @@ -658,14 +658,14 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_builtin_fused_iterator_candidate( - _ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + _ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { bug!("`FusedIterator` does not have an associated type: {:?}", goal); } fn consider_builtin_async_iterator_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { let self_ty = goal.predicate.self_ty(); @@ -701,7 +701,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_builtin_coroutine_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { let self_ty = goal.predicate.self_ty(); @@ -748,14 +748,14 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_structural_builtin_unsize_candidates( - _ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + _ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Vec>> { bug!("`Unsize` does not have an associated type: {:?}", goal); } fn consider_builtin_discriminant_kind_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { let self_ty = goal.predicate.self_ty(); @@ -807,7 +807,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_builtin_async_destruct_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { let self_ty = goal.predicate.self_ty(); @@ -860,21 +860,21 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_builtin_destruct_candidate( - _ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + _ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { bug!("`Destruct` does not have an associated type: {:?}", goal); } fn consider_builtin_transmute_candidate( - _ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + _ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { bug!("`BikeshedIntrinsicFrom` does not have an associated type: {:?}", goal) } } -impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { +impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { fn translate_args( &mut self, assoc_def: &LeafDef, diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/opaque_types.rs b/compiler/rustc_trait_selection/src/solve/normalizes_to/opaque_types.rs index 82464470b2a2..f7423c367b55 100644 --- a/compiler/rustc_trait_selection/src/solve/normalizes_to/opaque_types.rs +++ b/compiler/rustc_trait_selection/src/solve/normalizes_to/opaque_types.rs @@ -1,7 +1,8 @@ //! Computes a normalizes-to (projection) goal for opaque types. This goal //! behaves differently depending on the param-env's reveal mode and whether //! the opaque is in a defining scope. -use rustc_infer::infer::InferCtxt; + +use crate::solve::infcx::SolverDelegate; use rustc_middle::traits::query::NoSolution; use rustc_middle::traits::solve::{Certainty, Goal, QueryResult}; use rustc_middle::traits::Reveal; @@ -10,7 +11,7 @@ use rustc_middle::ty::util::NotUniqueParam; use crate::solve::{EvalCtxt, SolverMode}; -impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { +impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { pub(super) fn normalize_opaque_type( &mut self, goal: Goal<'tcx, ty::NormalizesTo<'tcx>>, diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/weak_types.rs b/compiler/rustc_trait_selection/src/solve/normalizes_to/weak_types.rs index 5442b9ccffc8..26d60ffb3216 100644 --- a/compiler/rustc_trait_selection/src/solve/normalizes_to/weak_types.rs +++ b/compiler/rustc_trait_selection/src/solve/normalizes_to/weak_types.rs @@ -3,13 +3,14 @@ //! //! Since a weak alias is never ambiguous, this just computes the `type_of` of //! the alias and registers the where-clauses of the type alias. -use rustc_infer::infer::InferCtxt; + +use crate::solve::infcx::SolverDelegate; use rustc_middle::traits::solve::{Certainty, Goal, GoalSource, QueryResult}; use rustc_middle::ty; use crate::solve::EvalCtxt; -impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { +impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { pub(super) fn normalize_weak_type( &mut self, goal: Goal<'tcx, ty::NormalizesTo<'tcx>>, diff --git a/compiler/rustc_trait_selection/src/solve/project_goals.rs b/compiler/rustc_trait_selection/src/solve/project_goals.rs index cae73cc2d073..839db73a8b38 100644 --- a/compiler/rustc_trait_selection/src/solve/project_goals.rs +++ b/compiler/rustc_trait_selection/src/solve/project_goals.rs @@ -1,11 +1,11 @@ use crate::solve::GoalSource; +use super::infcx::SolverDelegate; use super::EvalCtxt; -use rustc_infer::infer::InferCtxt; use rustc_middle::traits::solve::{Certainty, Goal, QueryResult}; use rustc_middle::ty::{self, ProjectionPredicate}; -impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { +impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { #[instrument(level = "trace", skip(self), ret)] pub(super) fn compute_projection_goal( &mut self, diff --git a/compiler/rustc_trait_selection/src/solve/search_graph.rs b/compiler/rustc_trait_selection/src/solve/search_graph.rs index 681061c25aac..055540d122fe 100644 --- a/compiler/rustc_trait_selection/src/solve/search_graph.rs +++ b/compiler/rustc_trait_selection/src/solve/search_graph.rs @@ -3,11 +3,11 @@ use std::mem; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_index::Idx; use rustc_index::IndexVec; +use rustc_next_trait_solver::infcx::SolverDelegate; use rustc_next_trait_solver::solve::CacheData; use rustc_next_trait_solver::solve::{CanonicalInput, Certainty, QueryResult}; use rustc_session::Limit; use rustc_type_ir::inherent::*; -use rustc_type_ir::InferCtxtLike; use rustc_type_ir::Interner; use super::inspect; @@ -250,7 +250,7 @@ impl SearchGraph { /// /// Given some goal which is proven via the `prove_goal` closure, this /// handles caching, overflow, and coinductive cycles. - pub(super) fn with_new_goal>( + pub(super) fn with_new_goal>( &mut self, tcx: I, input: CanonicalInput, @@ -411,7 +411,7 @@ impl SearchGraph { /// Try to fetch a previously computed result from the global cache, /// making sure to only do so if it would match the result of reevaluating /// this goal. - fn lookup_global_cache>( + fn lookup_global_cache>( &mut self, tcx: I, input: CanonicalInput, @@ -468,7 +468,7 @@ impl SearchGraph { prove_goal: &mut F, ) -> StepResult where - Infcx: InferCtxtLike, + Infcx: SolverDelegate, F: FnMut(&mut Self, &mut ProofTreeBuilder) -> QueryResult, { let result = prove_goal(self, inspect); diff --git a/compiler/rustc_trait_selection/src/solve/trait_goals.rs b/compiler/rustc_trait_selection/src/solve/trait_goals.rs index bcb2ea18f78e..0aace43f3332 100644 --- a/compiler/rustc_trait_selection/src/solve/trait_goals.rs +++ b/compiler/rustc_trait_selection/src/solve/trait_goals.rs @@ -2,11 +2,11 @@ use super::assembly::structural_traits::AsyncCallableRelevantTypes; use super::assembly::{self, structural_traits, Candidate}; +use super::infcx::SolverDelegate; use super::{EvalCtxt, GoalSource, SolverMode}; use rustc_data_structures::fx::FxIndexSet; use rustc_hir::def_id::DefId; use rustc_hir::{LangItem, Movability}; -use rustc_infer::infer::InferCtxt; use rustc_infer::traits::query::NoSolution; use rustc_infer::traits::solve::MaybeCause; use rustc_infer::traits::util::supertraits; @@ -37,7 +37,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_impl_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, TraitPredicate<'tcx>>, impl_def_id: DefId, ) -> Result>, NoSolution> { @@ -93,7 +93,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_error_guaranteed_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, _guar: ErrorGuaranteed, ) -> Result>, NoSolution> { // FIXME: don't need to enter a probe here. @@ -102,11 +102,11 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn probe_and_match_goal_against_assumption( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, source: CandidateSource<'tcx>, goal: Goal<'tcx, Self>, assumption: ty::Clause<'tcx>, - then: impl FnOnce(&mut EvalCtxt<'_, InferCtxt<'tcx>>) -> QueryResult<'tcx>, + then: impl FnOnce(&mut EvalCtxt<'_, SolverDelegate<'tcx>>) -> QueryResult<'tcx>, ) -> Result>, NoSolution> { if let Some(trait_clause) = assumption.as_trait_clause() { if trait_clause.def_id() == goal.predicate.def_id() @@ -130,7 +130,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_auto_trait_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -173,7 +173,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_trait_alias_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -196,7 +196,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_sized_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -211,7 +211,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_copy_clone_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -226,7 +226,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_pointer_like_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -256,7 +256,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_fn_ptr_trait_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { let self_ty = goal.predicate.self_ty(); @@ -287,7 +287,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_fn_trait_candidates( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, goal_kind: ty::ClosureKind, ) -> Result>, NoSolution> { @@ -328,7 +328,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_async_fn_trait_candidates( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, goal_kind: ty::ClosureKind, ) -> Result>, NoSolution> { @@ -379,7 +379,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_async_fn_kind_helper_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { let [closure_fn_kind_ty, goal_kind_ty] = **goal.predicate.trait_ref.args else { @@ -406,7 +406,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { /// impl Tuple for (T1, .., Tn) {} /// ``` fn consider_builtin_tuple_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -422,7 +422,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_pointee_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -434,7 +434,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_future_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -460,7 +460,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_iterator_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -486,7 +486,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_fused_iterator_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -510,7 +510,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_async_iterator_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -536,7 +536,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_coroutine_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -568,7 +568,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_discriminant_kind_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -581,7 +581,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_async_destruct_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -594,7 +594,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_destruct_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -610,7 +610,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_transmute_candidate( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result>, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -651,7 +651,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { /// impl<'a, T: Trait + 'a> Unsize for T {} /// ``` fn consider_structural_builtin_unsize_candidates( - ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, goal: Goal<'tcx, Self>, ) -> Vec>> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { @@ -722,7 +722,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } } -impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { +impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { /// Trait upcasting allows for coercions between trait objects: /// ```ignore (builtin impl example) /// trait Super {} @@ -841,7 +841,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { // having any inference side-effects. We process obligations because // unification may initially succeed due to deferred projection equality. let projection_may_match = - |ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, + |ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, source_projection: ty::PolyExistentialProjection<'tcx>, target_projection: ty::PolyExistentialProjection<'tcx>| { source_projection.item_def_id() == target_projection.item_def_id() @@ -1147,7 +1147,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { source: CandidateSource<'tcx>, goal: Goal<'tcx, TraitPredicate<'tcx>>, constituent_tys: impl Fn( - &EvalCtxt<'_, InferCtxt<'tcx>>, + &EvalCtxt<'_, SolverDelegate<'tcx>>, Ty<'tcx>, ) -> Result>>, NoSolution>, ) -> Result>, NoSolution> { diff --git a/compiler/rustc_type_ir/src/lib.rs b/compiler/rustc_type_ir/src/lib.rs index ac9b2808804c..130ea231bf7e 100644 --- a/compiler/rustc_type_ir/src/lib.rs +++ b/compiler/rustc_type_ir/src/lib.rs @@ -45,7 +45,6 @@ mod canonical; mod const_kind; mod flags; mod generic_arg; -mod infcx; mod interner; mod opaque_ty; mod predicate; @@ -62,7 +61,6 @@ pub use codec::*; pub use const_kind::*; pub use flags::*; pub use generic_arg::*; -pub use infcx::InferCtxtLike; pub use interner::*; pub use opaque_ty::*; pub use predicate::*; From 532149eb88e6d1d69d883727a216c22839cdf6cc Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Mon, 17 Jun 2024 17:59:08 -0400 Subject: [PATCH 1671/1716] Uplift the new trait solver --- Cargo.lock | 9 + compiler/rustc_middle/src/ty/adt.rs | 10 +- compiler/rustc_middle/src/ty/consts.rs | 6 +- compiler/rustc_middle/src/ty/context.rs | 363 ++++++++++-- compiler/rustc_middle/src/ty/generic_args.rs | 14 + compiler/rustc_middle/src/ty/generics.rs | 4 + compiler/rustc_middle/src/ty/mod.rs | 10 + compiler/rustc_middle/src/ty/predicate.rs | 42 +- compiler/rustc_middle/src/ty/sty.rs | 16 + compiler/rustc_middle/src/ty/util.rs | 36 -- compiler/rustc_next_trait_solver/Cargo.toml | 18 +- compiler/rustc_next_trait_solver/src/infcx.rs | 116 +++- compiler/rustc_next_trait_solver/src/lib.rs | 6 + compiler/rustc_next_trait_solver/src/solve.rs | 1 - .../src/solve/alias_relate.rs | 19 +- .../src/solve/assembly/mod.rs | 514 +++++++---------- .../src/solve/assembly/structural_traits.rs | 12 +- .../src/solve/eval_ctxt/canonical.rs | 238 +++----- .../src/solve/eval_ctxt/mod.rs | 363 ++++++------ .../src/solve/eval_ctxt/probe.rs | 15 +- .../src/solve/inspect/build.rs | 40 +- .../src/solve/inspect/mod.rs | 4 + .../src/solve/mod.rs | 128 ++--- .../src/solve/normalizes_to/anon_const.rs | 18 +- .../src/solve/normalizes_to/inherent.rs | 26 +- .../src/solve/normalizes_to/mod.rs | 541 ++++++++---------- .../src/solve/normalizes_to/opaque_types.rs | 68 ++- .../src/solve/normalizes_to/weak_types.rs | 23 +- .../src/solve/project_goals.rs | 18 +- .../src/solve/search_graph.rs | 19 +- .../src/solve/trait_goals.rs | 421 +++++++------- .../src/solve/inspect/mod.rs | 7 - compiler/rustc_type_ir/src/inherent.rs | 182 +++++- compiler/rustc_type_ir/src/interner.rs | 124 +++- compiler/rustc_type_ir/src/lang_items.rs | 32 +- compiler/rustc_type_ir/src/predicate.rs | 8 +- 36 files changed, 2014 insertions(+), 1457 deletions(-) delete mode 100644 compiler/rustc_next_trait_solver/src/solve.rs rename compiler/{rustc_trait_selection => rustc_next_trait_solver}/src/solve/alias_relate.rs (90%) rename compiler/{rustc_trait_selection => rustc_next_trait_solver}/src/solve/assembly/mod.rs (59%) rename compiler/{rustc_trait_selection => rustc_next_trait_solver}/src/solve/assembly/structural_traits.rs (98%) rename compiler/{rustc_trait_selection => rustc_next_trait_solver}/src/solve/eval_ctxt/canonical.rs (63%) rename compiler/{rustc_trait_selection => rustc_next_trait_solver}/src/solve/eval_ctxt/mod.rs (78%) rename compiler/{rustc_trait_selection => rustc_next_trait_solver}/src/solve/eval_ctxt/probe.rs (95%) rename compiler/{rustc_trait_selection => rustc_next_trait_solver}/src/solve/inspect/build.rs (96%) create mode 100644 compiler/rustc_next_trait_solver/src/solve/inspect/mod.rs rename compiler/{rustc_trait_selection => rustc_next_trait_solver}/src/solve/mod.rs (75%) rename compiler/{rustc_trait_selection => rustc_next_trait_solver}/src/solve/normalizes_to/anon_const.rs (66%) rename compiler/{rustc_trait_selection => rustc_next_trait_solver}/src/solve/normalizes_to/inherent.rs (75%) rename compiler/{rustc_trait_selection => rustc_next_trait_solver}/src/solve/normalizes_to/mod.rs (63%) rename compiler/{rustc_trait_selection => rustc_next_trait_solver}/src/solve/normalizes_to/opaque_types.rs (64%) rename compiler/{rustc_trait_selection => rustc_next_trait_solver}/src/solve/normalizes_to/weak_types.rs (67%) rename compiler/{rustc_trait_selection => rustc_next_trait_solver}/src/solve/project_goals.rs (63%) rename compiler/{rustc_trait_selection => rustc_next_trait_solver}/src/solve/search_graph.rs (98%) rename compiler/{rustc_trait_selection => rustc_next_trait_solver}/src/solve/trait_goals.rs (77%) delete mode 100644 compiler/rustc_trait_selection/src/solve/inspect/mod.rs diff --git a/Cargo.lock b/Cargo.lock index 2e10b4c49abc..14ee031ad047 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -4520,7 +4520,16 @@ dependencies = [ name = "rustc_next_trait_solver" version = "0.0.0" dependencies = [ + "bitflags 2.5.0", + "derivative", + "rustc_ast_ir", + "rustc_data_structures", + "rustc_index", + "rustc_macros", + "rustc_serialize", "rustc_type_ir", + "rustc_type_ir_macros", + "tracing", ] [[package]] diff --git a/compiler/rustc_middle/src/ty/adt.rs b/compiler/rustc_middle/src/ty/adt.rs index 684b3233cfd6..8e221cdc603b 100644 --- a/compiler/rustc_middle/src/ty/adt.rs +++ b/compiler/rustc_middle/src/ty/adt.rs @@ -205,6 +205,14 @@ impl<'tcx> rustc_type_ir::inherent::AdtDef> for AdtDef<'tcx> { self.did() } + fn is_struct(self) -> bool { + self.is_struct() + } + + fn struct_tail_ty(self, interner: TyCtxt<'tcx>) -> Option>> { + Some(interner.type_of(self.non_enum_variant().tail_opt()?.did)) + } + fn is_phantom_data(self) -> bool { self.is_phantom_data() } @@ -212,7 +220,7 @@ impl<'tcx> rustc_type_ir::inherent::AdtDef> for AdtDef<'tcx> { fn all_field_tys( self, tcx: TyCtxt<'tcx>, - ) -> ty::EarlyBinder<'tcx, impl Iterator>> { + ) -> ty::EarlyBinder<'tcx, impl IntoIterator>> { ty::EarlyBinder::bind( self.all_fields().map(move |field| tcx.type_of(field.did).skip_binder()), ) diff --git a/compiler/rustc_middle/src/ty/consts.rs b/compiler/rustc_middle/src/ty/consts.rs index 12f0c38b054a..32d01d07c17e 100644 --- a/compiler/rustc_middle/src/ty/consts.rs +++ b/compiler/rustc_middle/src/ty/consts.rs @@ -16,8 +16,8 @@ mod valtree; pub use int::*; pub use kind::*; -use rustc_span::Span; use rustc_span::DUMMY_SP; +use rustc_span::{ErrorGuaranteed, Span}; pub use valtree::*; pub type ConstKind<'tcx> = ir::ConstKind>; @@ -176,6 +176,10 @@ impl<'tcx> rustc_type_ir::inherent::Const> for Const<'tcx> { fn new_expr(interner: TyCtxt<'tcx>, expr: ty::Expr<'tcx>) -> Self { Const::new_expr(interner, expr) } + + fn new_error(interner: TyCtxt<'tcx>, guar: ErrorGuaranteed) -> Self { + Const::new_error(interner, guar) + } } impl<'tcx> Const<'tcx> { diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index 828cd761c199..2663dca74605 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -90,46 +90,65 @@ use std::ops::{Bound, Deref}; impl<'tcx> Interner for TyCtxt<'tcx> { type DefId = DefId; type LocalDefId = LocalDefId; - type AdtDef = ty::AdtDef<'tcx>; - type GenericArgs = ty::GenericArgsRef<'tcx>; + type GenericArgsSlice = &'tcx [ty::GenericArg<'tcx>]; type GenericArg = ty::GenericArg<'tcx>; type Term = ty::Term<'tcx>; - type BoundVarKinds = &'tcx List; - type BoundVarKind = ty::BoundVariableKind; - type CanonicalVars = CanonicalVarInfos<'tcx>; + type BoundVarKind = ty::BoundVariableKind; type PredefinedOpaques = solve::PredefinedOpaques<'tcx>; + + fn mk_predefined_opaques_in_body( + self, + data: PredefinedOpaquesData, + ) -> Self::PredefinedOpaques { + self.mk_predefined_opaques_in_body(data) + } type DefiningOpaqueTypes = &'tcx ty::List; - type ExternalConstraints = ExternalConstraints<'tcx>; type CanonicalGoalEvaluationStepRef = &'tcx solve::inspect::CanonicalGoalEvaluationStep>; + type CanonicalVars = CanonicalVarInfos<'tcx>; + fn mk_canonical_var_infos(self, infos: &[ty::CanonicalVarInfo]) -> Self::CanonicalVars { + self.mk_canonical_var_infos(infos) + } + type ExternalConstraints = ExternalConstraints<'tcx>; + fn mk_external_constraints( + self, + data: ExternalConstraintsData, + ) -> ExternalConstraints<'tcx> { + self.mk_external_constraints(data) + } + type DepNodeIndex = DepNodeIndex; + fn with_cached_task(self, task: impl FnOnce() -> T) -> (T, DepNodeIndex) { + self.dep_graph.with_anon_task(self, crate::dep_graph::dep_kinds::TraitSelect, task) + } type Ty = Ty<'tcx>; type Tys = &'tcx List>; + type FnInputTys = &'tcx [Ty<'tcx>]; type ParamTy = ParamTy; type BoundTy = ty::BoundTy; - type PlaceholderTy = ty::PlaceholderType; + type PlaceholderTy = ty::PlaceholderType; type ErrorGuaranteed = ErrorGuaranteed; type BoundExistentialPredicates = &'tcx List>; - type AllocId = crate::mir::interpret::AllocId; + type AllocId = crate::mir::interpret::AllocId; type Pat = Pattern<'tcx>; type Safety = hir::Safety; type Abi = abi::Abi; - type Const = ty::Const<'tcx>; type PlaceholderConst = ty::PlaceholderConst; + type ParamConst = ty::ParamConst; type BoundConst = ty::BoundVar; type ValueConst = ty::ValTree<'tcx>; type ExprConst = ty::Expr<'tcx>; - type Region = Region<'tcx>; + type EarlyParamRegion = ty::EarlyParamRegion; type LateParamRegion = ty::LateParamRegion; type BoundRegion = ty::BoundRegion; @@ -137,15 +156,12 @@ impl<'tcx> Interner for TyCtxt<'tcx> { type ParamEnv = ty::ParamEnv<'tcx>; type Predicate = Predicate<'tcx>; + type Clause = Clause<'tcx>; type Clauses = ty::Clauses<'tcx>; - type DepNodeIndex = DepNodeIndex; - fn with_cached_task(self, task: impl FnOnce() -> T) -> (T, DepNodeIndex) { - self.dep_graph.with_anon_task(self, crate::dep_graph::dep_kinds::TraitSelect, task) - } - type EvaluationCache = &'tcx solve::EvaluationCache<'tcx>; + fn evaluation_cache(self, mode: SolverMode) -> &'tcx solve::EvaluationCache<'tcx> { match mode { SolverMode::Normal => &self.new_solver_evaluation_cache, @@ -157,17 +173,6 @@ impl<'tcx> Interner for TyCtxt<'tcx> { self.expand_abstract_consts(t) } - fn mk_external_constraints( - self, - data: ExternalConstraintsData, - ) -> ExternalConstraints<'tcx> { - self.mk_external_constraints(data) - } - - fn mk_canonical_var_infos(self, infos: &[ty::CanonicalVarInfo]) -> Self::CanonicalVars { - self.mk_canonical_var_infos(infos) - } - type GenericsOf = &'tcx ty::Generics; fn generics_of(self, def_id: DefId) -> &'tcx ty::Generics { @@ -184,6 +189,11 @@ impl<'tcx> Interner for TyCtxt<'tcx> { self.type_of(def_id) } + type AdtDef = ty::AdtDef<'tcx>; + fn adt_def(self, adt_def_id: DefId) -> Self::AdtDef { + self.adt_def(adt_def_id) + } + fn alias_ty_kind(self, alias: ty::AliasTy<'tcx>) -> ty::AliasTyKind { match self.def_kind(alias.def_id) { DefKind::AssocTy => { @@ -221,8 +231,8 @@ impl<'tcx> Interner for TyCtxt<'tcx> { fn trait_ref_and_own_args_for_alias( self, def_id: DefId, - args: Self::GenericArgs, - ) -> (rustc_type_ir::TraitRef, Self::GenericArgsSlice) { + args: ty::GenericArgsRef<'tcx>, + ) -> (ty::TraitRef<'tcx>, &'tcx [ty::GenericArg<'tcx>]) { assert_matches!(self.def_kind(def_id), DefKind::AssocTy | DefKind::AssocConst); let trait_def_id = self.parent(def_id); assert_matches!(self.def_kind(trait_def_id), DefKind::Trait); @@ -233,18 +243,22 @@ impl<'tcx> Interner for TyCtxt<'tcx> { ) } - fn mk_args(self, args: &[Self::GenericArg]) -> Self::GenericArgs { + fn mk_args(self, args: &[Self::GenericArg]) -> ty::GenericArgsRef<'tcx> { self.mk_args(args) } fn mk_args_from_iter(self, args: I) -> T::Output where I: Iterator, - T: CollectAndApply, + T: CollectAndApply>, { self.mk_args_from_iter(args) } + fn check_args_compatible(self, def_id: DefId, args: ty::GenericArgsRef<'tcx>) -> bool { + self.check_args_compatible(def_id, args) + } + fn check_and_mk_args( self, def_id: DefId, @@ -263,7 +277,7 @@ impl<'tcx> Interner for TyCtxt<'tcx> { fn mk_type_list_from_iter(self, args: I) -> T::Output where I: Iterator, - T: CollectAndApply, + T: CollectAndApply, &'tcx List>>, { self.mk_type_list_from_iter(args) } @@ -312,6 +326,24 @@ impl<'tcx> Interner for TyCtxt<'tcx> { self.item_bounds(def_id).map_bound(IntoIterator::into_iter) } + fn predicates_of( + self, + def_id: DefId, + ) -> ty::EarlyBinder<'tcx, impl IntoIterator>> { + ty::EarlyBinder::bind( + self.predicates_of(def_id).instantiate_identity(self).predicates.into_iter(), + ) + } + + fn own_predicates_of( + self, + def_id: DefId, + ) -> ty::EarlyBinder<'tcx, impl IntoIterator>> { + ty::EarlyBinder::bind( + self.predicates_of(def_id).instantiate_own_identity().map(|(clause, _)| clause), + ) + } + fn super_predicates_of( self, def_id: DefId, @@ -326,15 +358,11 @@ impl<'tcx> Interner for TyCtxt<'tcx> { } fn require_lang_item(self, lang_item: TraitSolverLangItem) -> DefId { - self.require_lang_item( - match lang_item { - TraitSolverLangItem::Future => hir::LangItem::Future, - TraitSolverLangItem::FutureOutput => hir::LangItem::FutureOutput, - TraitSolverLangItem::AsyncFnKindHelper => hir::LangItem::AsyncFnKindHelper, - TraitSolverLangItem::AsyncFnKindUpvars => hir::LangItem::AsyncFnKindUpvars, - }, - None, - ) + self.require_lang_item(trait_lang_item_to_lang_item(lang_item), None) + } + + fn is_lang_item(self, def_id: DefId, lang_item: TraitSolverLangItem) -> bool { + self.is_lang_item(def_id, trait_lang_item_to_lang_item(lang_item)) } fn associated_type_def_ids(self, def_id: DefId) -> impl IntoIterator { @@ -343,6 +371,257 @@ impl<'tcx> Interner for TyCtxt<'tcx> { .filter(|assoc_item| matches!(assoc_item.kind, ty::AssocKind::Type)) .map(|assoc_item| assoc_item.def_id) } + + fn args_may_unify_deep( + self, + obligation_args: ty::GenericArgsRef<'tcx>, + impl_args: ty::GenericArgsRef<'tcx>, + ) -> bool { + ty::fast_reject::DeepRejectCtxt { + treat_obligation_params: ty::fast_reject::TreatParams::ForLookup, + } + .args_may_unify(obligation_args, impl_args) + } + + // This implementation is a bit different from `TyCtxt::for_each_relevant_impl`, + // since we want to skip over blanket impls for non-rigid aliases, and also we + // only want to consider types that *actually* unify with float/int vars. + fn for_each_relevant_impl( + self, + trait_def_id: DefId, + self_ty: Ty<'tcx>, + mut f: impl FnMut(DefId), + ) { + let tcx = self; + let trait_impls = tcx.trait_impls_of(trait_def_id); + let mut consider_impls_for_simplified_type = |simp| { + if let Some(impls_for_type) = trait_impls.non_blanket_impls().get(&simp) { + for &impl_def_id in impls_for_type { + f(impl_def_id); + } + } + }; + + match self_ty.kind() { + ty::Bool + | ty::Char + | ty::Int(_) + | ty::Uint(_) + | ty::Float(_) + | ty::Adt(_, _) + | ty::Foreign(_) + | ty::Str + | ty::Array(_, _) + | ty::Pat(_, _) + | ty::Slice(_) + | ty::RawPtr(_, _) + | ty::Ref(_, _, _) + | ty::FnDef(_, _) + | ty::FnPtr(_) + | ty::Dynamic(_, _, _) + | ty::Closure(..) + | ty::CoroutineClosure(..) + | ty::Coroutine(_, _) + | ty::Never + | ty::Tuple(_) => { + let simp = ty::fast_reject::simplify_type( + tcx, + self_ty, + ty::fast_reject::TreatParams::ForLookup, + ) + .unwrap(); + consider_impls_for_simplified_type(simp); + } + + // HACK: For integer and float variables we have to manually look at all impls + // which have some integer or float as a self type. + ty::Infer(ty::IntVar(_)) => { + use ty::IntTy::*; + use ty::UintTy::*; + // This causes a compiler error if any new integer kinds are added. + let (I8 | I16 | I32 | I64 | I128 | Isize): ty::IntTy; + let (U8 | U16 | U32 | U64 | U128 | Usize): ty::UintTy; + let possible_integers = [ + // signed integers + ty::SimplifiedType::Int(I8), + ty::SimplifiedType::Int(I16), + ty::SimplifiedType::Int(I32), + ty::SimplifiedType::Int(I64), + ty::SimplifiedType::Int(I128), + ty::SimplifiedType::Int(Isize), + // unsigned integers + ty::SimplifiedType::Uint(U8), + ty::SimplifiedType::Uint(U16), + ty::SimplifiedType::Uint(U32), + ty::SimplifiedType::Uint(U64), + ty::SimplifiedType::Uint(U128), + ty::SimplifiedType::Uint(Usize), + ]; + for simp in possible_integers { + consider_impls_for_simplified_type(simp); + } + } + + ty::Infer(ty::FloatVar(_)) => { + // This causes a compiler error if any new float kinds are added. + let (ty::FloatTy::F16 | ty::FloatTy::F32 | ty::FloatTy::F64 | ty::FloatTy::F128); + let possible_floats = [ + ty::SimplifiedType::Float(ty::FloatTy::F16), + ty::SimplifiedType::Float(ty::FloatTy::F32), + ty::SimplifiedType::Float(ty::FloatTy::F64), + ty::SimplifiedType::Float(ty::FloatTy::F128), + ]; + + for simp in possible_floats { + consider_impls_for_simplified_type(simp); + } + } + + // The only traits applying to aliases and placeholders are blanket impls. + // + // Impls which apply to an alias after normalization are handled by + // `assemble_candidates_after_normalizing_self_ty`. + ty::Alias(_, _) | ty::Placeholder(..) | ty::Error(_) => (), + + // FIXME: These should ideally not exist as a self type. It would be nice for + // the builtin auto trait impls of coroutines to instead directly recurse + // into the witness. + ty::CoroutineWitness(..) => (), + + // These variants should not exist as a self type. + ty::Infer(ty::TyVar(_) | ty::FreshTy(_) | ty::FreshIntTy(_) | ty::FreshFloatTy(_)) + | ty::Param(_) + | ty::Bound(_, _) => bug!("unexpected self type: {self_ty}"), + } + + let trait_impls = tcx.trait_impls_of(trait_def_id); + for &impl_def_id in trait_impls.blanket_impls() { + f(impl_def_id); + } + } + + fn has_item_definition(self, def_id: DefId) -> bool { + self.defaultness(def_id).has_value() + } + + fn impl_is_default(self, impl_def_id: DefId) -> bool { + self.defaultness(impl_def_id).is_default() + } + + fn impl_trait_ref(self, impl_def_id: DefId) -> ty::EarlyBinder<'tcx, ty::TraitRef<'tcx>> { + self.impl_trait_ref(impl_def_id).unwrap() + } + + fn impl_polarity(self, impl_def_id: DefId) -> ty::ImplPolarity { + self.impl_polarity(impl_def_id) + } + + fn trait_is_auto(self, trait_def_id: DefId) -> bool { + self.trait_is_auto(trait_def_id) + } + + fn trait_is_alias(self, trait_def_id: DefId) -> bool { + self.trait_is_alias(trait_def_id) + } + + fn trait_is_object_safe(self, trait_def_id: DefId) -> bool { + self.is_object_safe(trait_def_id) + } + + fn trait_may_be_implemented_via_object(self, trait_def_id: DefId) -> bool { + self.trait_def(trait_def_id).implement_via_object + } + + fn fn_trait_kind_from_def_id(self, trait_def_id: DefId) -> Option { + self.fn_trait_kind_from_def_id(trait_def_id) + } + + fn async_fn_trait_kind_from_def_id(self, trait_def_id: DefId) -> Option { + self.async_fn_trait_kind_from_def_id(trait_def_id) + } + + fn supertrait_def_ids(self, trait_def_id: DefId) -> impl IntoIterator { + self.supertrait_def_ids(trait_def_id) + } + + fn delay_bug(self, msg: impl ToString) -> ErrorGuaranteed { + self.dcx().span_delayed_bug(DUMMY_SP, msg.to_string()) + } + + fn is_general_coroutine(self, coroutine_def_id: DefId) -> bool { + self.is_general_coroutine(coroutine_def_id) + } + + fn coroutine_is_async(self, coroutine_def_id: DefId) -> bool { + self.coroutine_is_async(coroutine_def_id) + } + + fn coroutine_is_gen(self, coroutine_def_id: DefId) -> bool { + self.coroutine_is_gen(coroutine_def_id) + } + + fn coroutine_is_async_gen(self, coroutine_def_id: DefId) -> bool { + self.coroutine_is_async_gen(coroutine_def_id) + } + + fn layout_is_pointer_like(self, param_env: ty::ParamEnv<'tcx>, ty: Ty<'tcx>) -> bool { + self.layout_of(self.erase_regions(param_env.and(ty))) + .is_ok_and(|layout| layout.layout.is_pointer_like(&self.data_layout)) + } + + type UnsizingParams = &'tcx rustc_index::bit_set::BitSet; + fn unsizing_params_for_adt(self, adt_def_id: DefId) -> Self::UnsizingParams { + self.unsizing_params_for_adt(adt_def_id) + } + + fn find_const_ty_from_env( + self, + param_env: ty::ParamEnv<'tcx>, + placeholder: Self::PlaceholderConst, + ) -> Ty<'tcx> { + placeholder.find_const_ty_from_env(param_env) + } +} + +fn trait_lang_item_to_lang_item(lang_item: TraitSolverLangItem) -> LangItem { + match lang_item { + TraitSolverLangItem::AsyncDestruct => LangItem::AsyncDestruct, + TraitSolverLangItem::AsyncFnKindHelper => LangItem::AsyncFnKindHelper, + TraitSolverLangItem::AsyncFnKindUpvars => LangItem::AsyncFnKindUpvars, + TraitSolverLangItem::AsyncFnOnceOutput => LangItem::AsyncFnOnceOutput, + TraitSolverLangItem::AsyncIterator => LangItem::AsyncIterator, + TraitSolverLangItem::CallOnceFuture => LangItem::CallOnceFuture, + TraitSolverLangItem::CallRefFuture => LangItem::CallRefFuture, + TraitSolverLangItem::Clone => LangItem::Clone, + TraitSolverLangItem::Copy => LangItem::Copy, + TraitSolverLangItem::Coroutine => LangItem::Coroutine, + TraitSolverLangItem::CoroutineReturn => LangItem::CoroutineReturn, + TraitSolverLangItem::CoroutineYield => LangItem::CoroutineYield, + TraitSolverLangItem::Destruct => LangItem::Destruct, + TraitSolverLangItem::DiscriminantKind => LangItem::DiscriminantKind, + TraitSolverLangItem::DynMetadata => LangItem::DynMetadata, + TraitSolverLangItem::FnPtrTrait => LangItem::FnPtrTrait, + TraitSolverLangItem::FusedIterator => LangItem::FusedIterator, + TraitSolverLangItem::Future => LangItem::Future, + TraitSolverLangItem::FutureOutput => LangItem::FutureOutput, + TraitSolverLangItem::Iterator => LangItem::Iterator, + TraitSolverLangItem::Metadata => LangItem::Metadata, + TraitSolverLangItem::Option => LangItem::Option, + TraitSolverLangItem::PointeeTrait => LangItem::PointeeTrait, + TraitSolverLangItem::PointerLike => LangItem::PointerLike, + TraitSolverLangItem::Poll => LangItem::Poll, + TraitSolverLangItem::Sized => LangItem::Sized, + TraitSolverLangItem::TransmuteTrait => LangItem::TransmuteTrait, + TraitSolverLangItem::Tuple => LangItem::Tuple, + TraitSolverLangItem::Unpin => LangItem::Unpin, + TraitSolverLangItem::Unsize => LangItem::Unsize, + } +} + +impl<'tcx> rustc_type_ir::inherent::DefId> for DefId { + fn as_local(self) -> Option { + self.as_local() + } } impl<'tcx> rustc_type_ir::inherent::Abi> for abi::Abi { @@ -377,6 +656,10 @@ impl<'tcx> rustc_type_ir::inherent::Features> for &'tcx rustc_featu fn coroutine_clone(self) -> bool { self.coroutine_clone } + + fn associated_const_equality(self) -> bool { + self.associated_const_equality + } } type InternedSet<'tcx, T> = ShardedHashMap, ()>; diff --git a/compiler/rustc_middle/src/ty/generic_args.rs b/compiler/rustc_middle/src/ty/generic_args.rs index 54c88e48614b..4155b120e51c 100644 --- a/compiler/rustc_middle/src/ty/generic_args.rs +++ b/compiler/rustc_middle/src/ty/generic_args.rs @@ -44,10 +44,23 @@ pub struct GenericArg<'tcx> { impl<'tcx> rustc_type_ir::inherent::GenericArg> for GenericArg<'tcx> {} impl<'tcx> rustc_type_ir::inherent::GenericArgs> for ty::GenericArgsRef<'tcx> { + fn rebase_onto( + self, + tcx: TyCtxt<'tcx>, + source_ancestor: DefId, + target_args: GenericArgsRef<'tcx>, + ) -> GenericArgsRef<'tcx> { + self.rebase_onto(tcx, source_ancestor, target_args) + } + fn type_at(self, i: usize) -> Ty<'tcx> { self.type_at(i) } + fn region_at(self, i: usize) -> ty::Region<'tcx> { + self.region_at(i) + } + fn identity_for_item(tcx: TyCtxt<'tcx>, def_id: DefId) -> ty::GenericArgsRef<'tcx> { GenericArgs::identity_for_item(tcx, def_id) } @@ -281,6 +294,7 @@ impl<'tcx> GenericArg<'tcx> { pub fn is_non_region_infer(self) -> bool { match self.unpack() { GenericArgKind::Lifetime(_) => false, + // FIXME: This shouldn't return numerical/float. GenericArgKind::Type(ty) => ty.is_ty_or_numeric_infer(), GenericArgKind::Const(ct) => ct.is_ct_infer(), } diff --git a/compiler/rustc_middle/src/ty/generics.rs b/compiler/rustc_middle/src/ty/generics.rs index 185dbe447358..6467689a8aa1 100644 --- a/compiler/rustc_middle/src/ty/generics.rs +++ b/compiler/rustc_middle/src/ty/generics.rs @@ -392,6 +392,10 @@ impl<'tcx> GenericPredicates<'tcx> { EarlyBinder::bind(self.predicates).iter_instantiated_copied(tcx, args) } + pub fn instantiate_own_identity(&self) -> impl Iterator, Span)> { + EarlyBinder::bind(self.predicates).instantiate_identity_iter_copied() + } + #[instrument(level = "debug", skip(self, tcx))] fn instantiate_into( &self, diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs index d07541bad93d..9c2bfc12a18a 100644 --- a/compiler/rustc_middle/src/ty/mod.rs +++ b/compiler/rustc_middle/src/ty/mod.rs @@ -990,6 +990,16 @@ pub struct ParamEnv<'tcx> { packed: CopyTaggedPtr, ParamTag, true>, } +impl<'tcx> rustc_type_ir::inherent::ParamEnv> for ParamEnv<'tcx> { + fn reveal(self) -> Reveal { + self.reveal() + } + + fn caller_bounds(self) -> impl IntoIterator> { + self.caller_bounds() + } +} + #[derive(Copy, Clone)] struct ParamTag { reveal: traits::Reveal, diff --git a/compiler/rustc_middle/src/ty/predicate.rs b/compiler/rustc_middle/src/ty/predicate.rs index ae36f2624ca5..e9b37503bb3e 100644 --- a/compiler/rustc_middle/src/ty/predicate.rs +++ b/compiler/rustc_middle/src/ty/predicate.rs @@ -175,6 +175,14 @@ pub struct Clause<'tcx>( impl<'tcx> rustc_type_ir::inherent::Clause> for Clause<'tcx> {} +impl<'tcx> rustc_type_ir::inherent::IntoKind for Clause<'tcx> { + type Kind = ty::Binder<'tcx, ClauseKind<'tcx>>; + + fn kind(self) -> Self::Kind { + self.kind() + } +} + impl<'tcx> Clause<'tcx> { pub fn as_predicate(self) -> Predicate<'tcx> { Predicate(self.0) @@ -251,6 +259,28 @@ impl<'tcx> ExistentialPredicate<'tcx> { pub type PolyExistentialPredicate<'tcx> = ty::Binder<'tcx, ExistentialPredicate<'tcx>>; +impl<'tcx> rustc_type_ir::inherent::BoundExistentialPredicates> + for &'tcx ty::List> +{ + fn principal_def_id(self) -> Option { + self.principal_def_id() + } + + fn principal(self) -> Option> { + self.principal() + } + + fn auto_traits(self) -> impl IntoIterator { + self.auto_traits() + } + + fn projection_bounds( + self, + ) -> impl IntoIterator>> { + self.projection_bounds() + } +} + impl<'tcx> ty::List> { /// Returns the "principal `DefId`" of this set of existential predicates. /// @@ -481,12 +511,6 @@ impl<'tcx> UpcastFrom, TraitRef<'tcx>> for Predicate<'tcx> { } } -impl<'tcx> UpcastFrom, TraitRef<'tcx>> for TraitPredicate<'tcx> { - fn upcast_from(from: TraitRef<'tcx>, _tcx: TyCtxt<'tcx>) -> Self { - TraitPredicate { trait_ref: from, polarity: PredicatePolarity::Positive } - } -} - impl<'tcx> UpcastFrom, TraitRef<'tcx>> for Clause<'tcx> { fn upcast_from(from: TraitRef<'tcx>, tcx: TyCtxt<'tcx>) -> Self { let p: Predicate<'tcx> = from.upcast(tcx); @@ -543,6 +567,12 @@ impl<'tcx> UpcastFrom, PolyTraitPredicate<'tcx>> for Clause<'tcx> { } } +impl<'tcx> UpcastFrom, RegionOutlivesPredicate<'tcx>> for Predicate<'tcx> { + fn upcast_from(from: RegionOutlivesPredicate<'tcx>, tcx: TyCtxt<'tcx>) -> Self { + ty::Binder::dummy(PredicateKind::Clause(ClauseKind::RegionOutlives(from))).upcast(tcx) + } +} + impl<'tcx> UpcastFrom, PolyRegionOutlivesPredicate<'tcx>> for Predicate<'tcx> { fn upcast_from(from: PolyRegionOutlivesPredicate<'tcx>, tcx: TyCtxt<'tcx>) -> Self { from.map_bound(|p| PredicateKind::Clause(ClauseKind::RegionOutlives(p))).upcast(tcx) diff --git a/compiler/rustc_middle/src/ty/sty.rs b/compiler/rustc_middle/src/ty/sty.rs index 8308e537e5ed..9c8a3484aa5b 100644 --- a/compiler/rustc_middle/src/ty/sty.rs +++ b/compiler/rustc_middle/src/ty/sty.rs @@ -930,6 +930,22 @@ impl<'tcx> rustc_type_ir::inherent::Ty> for Ty<'tcx> { fn new_pat(interner: TyCtxt<'tcx>, ty: Self, pat: ty::Pattern<'tcx>) -> Self { Ty::new_pat(interner, ty, pat) } + + fn new_unit(interner: TyCtxt<'tcx>) -> Self { + interner.types.unit + } + + fn new_usize(interner: TyCtxt<'tcx>) -> Self { + interner.types.usize + } + + fn discriminant_ty(self, interner: TyCtxt<'tcx>) -> Ty<'tcx> { + self.discriminant_ty(interner) + } + + fn async_destructor_ty(self, interner: TyCtxt<'tcx>) -> Ty<'tcx> { + self.async_destructor_ty(interner) + } } /// Type utilities diff --git a/compiler/rustc_middle/src/ty/util.rs b/compiler/rustc_middle/src/ty/util.rs index 52a0e72e17e2..b079ed521d34 100644 --- a/compiler/rustc_middle/src/ty/util.rs +++ b/compiler/rustc_middle/src/ty/util.rs @@ -565,42 +565,6 @@ impl<'tcx> TyCtxt<'tcx> { Ok(()) } - /// Checks whether each generic argument is simply a unique generic placeholder. - /// - /// This is used in the new solver, which canonicalizes params to placeholders - /// for better caching. - pub fn uses_unique_placeholders_ignoring_regions( - self, - args: GenericArgsRef<'tcx>, - ) -> Result<(), NotUniqueParam<'tcx>> { - let mut seen = GrowableBitSet::default(); - for arg in args { - match arg.unpack() { - // Ignore regions, since we can't resolve those in a canonicalized - // query in the trait solver. - GenericArgKind::Lifetime(_) => {} - GenericArgKind::Type(t) => match t.kind() { - ty::Placeholder(p) => { - if !seen.insert(p.bound.var) { - return Err(NotUniqueParam::DuplicateParam(t.into())); - } - } - _ => return Err(NotUniqueParam::NotParam(t.into())), - }, - GenericArgKind::Const(c) => match c.kind() { - ty::ConstKind::Placeholder(p) => { - if !seen.insert(p.bound) { - return Err(NotUniqueParam::DuplicateParam(c.into())); - } - } - _ => return Err(NotUniqueParam::NotParam(c.into())), - }, - } - } - - Ok(()) - } - /// Returns `true` if `def_id` refers to a closure, coroutine, or coroutine-closure /// (i.e. an async closure). These are all represented by `hir::Closure`, and all /// have the same `DefKind`. diff --git a/compiler/rustc_next_trait_solver/Cargo.toml b/compiler/rustc_next_trait_solver/Cargo.toml index 50dbc991f8fd..3a5f438b4325 100644 --- a/compiler/rustc_next_trait_solver/Cargo.toml +++ b/compiler/rustc_next_trait_solver/Cargo.toml @@ -5,9 +5,25 @@ edition = "2021" [dependencies] # tidy-alphabetical-start +bitflags = "2.4.1" +derivative = "2.2.0" +rustc_ast_ir = { path = "../rustc_ast_ir" } +rustc_data_structures = { path = "../rustc_data_structures", optional = true } +rustc_index = { path = "../rustc_index", default-features = false } +rustc_macros = { path = "../rustc_macros", optional = true } +rustc_serialize = { path = "../rustc_serialize", optional = true } rustc_type_ir = { path = "../rustc_type_ir", default-features = false } +rustc_type_ir_macros = { path = "../rustc_type_ir_macros" } +tracing = "0.1" # tidy-alphabetical-end [features] default = ["nightly"] -nightly = ["rustc_type_ir/nightly"] +nightly = [ + "rustc_ast_ir/nightly", + "rustc_data_structures", + "rustc_index/nightly", + "rustc_macros", + "rustc_serialize", + "rustc_type_ir/nightly", +] diff --git a/compiler/rustc_next_trait_solver/src/infcx.rs b/compiler/rustc_next_trait_solver/src/infcx.rs index cb46d8f8f735..e1d5c37fadaf 100644 --- a/compiler/rustc_next_trait_solver/src/infcx.rs +++ b/compiler/rustc_next_trait_solver/src/infcx.rs @@ -1,13 +1,27 @@ +use std::fmt::Debug; + use rustc_type_ir::fold::TypeFoldable; use rustc_type_ir::relate::Relate; -use rustc_type_ir::solve::{Goal, NoSolution}; +use rustc_type_ir::solve::{Goal, NoSolution, SolverMode}; use rustc_type_ir::{self as ty, Interner}; pub trait SolverDelegate: Sized { type Interner: Interner; - fn interner(&self) -> Self::Interner; + fn solver_mode(&self) -> SolverMode; + + fn build_with_canonical( + interner: Self::Interner, + solver_mode: SolverMode, + canonical: &ty::Canonical, + ) -> (Self, V, ty::CanonicalVarValues) + where + V: TypeFoldable; + + fn universe(&self) -> ty::UniverseIndex; + fn create_next_universe(&self) -> ty::UniverseIndex; + fn universe_of_ty(&self, ty: ty::TyVid) -> Option; fn universe_of_lt(&self, lt: ty::RegionVid) -> Option; fn universe_of_ct(&self, ct: ty::ConstVid) -> Option; @@ -74,4 +88,102 @@ pub trait SolverDelegate: Sized { T: TypeFoldable; fn probe(&self, probe: impl FnOnce() -> T) -> T; + + // FIXME: Uplift the leak check into this crate. + fn leak_check(&self, max_input_universe: ty::UniverseIndex) -> Result<(), NoSolution>; + + // FIXME: This is only here because elaboration lives in `rustc_infer`! + fn elaborate_supertraits( + interner: Self::Interner, + trait_ref: ty::Binder>, + ) -> impl Iterator>>; + + fn try_const_eval_resolve( + &self, + param_env: ::ParamEnv, + unevaluated: ty::UnevaluatedConst, + ) -> Option<::Const>; + + fn sub_regions( + &self, + sub: ::Region, + sup: ::Region, + ); + + fn register_ty_outlives( + &self, + ty: ::Ty, + r: ::Region, + ); + + // FIXME: This only is here because `wf::obligations` is in `rustc_trait_selection`! + fn well_formed_goals( + &self, + param_env: ::ParamEnv, + arg: ::GenericArg, + ) -> Option::Predicate>>>; + + fn clone_opaque_types_for_query_response( + &self, + ) -> Vec<(ty::OpaqueTypeKey, ::Ty)>; + + fn make_deduplicated_outlives_constraints( + &self, + ) -> Vec::GenericArg>>; + + fn instantiate_canonical( + &self, + canonical: ty::Canonical, + values: ty::CanonicalVarValues, + ) -> V + where + V: TypeFoldable; + + fn instantiate_canonical_var_with_infer( + &self, + cv_info: ty::CanonicalVarInfo, + universe_map: impl Fn(ty::UniverseIndex) -> ty::UniverseIndex, + ) -> ::GenericArg; + + // FIXME: Can we implement this in terms of `add` and `inject`? + fn insert_hidden_type( + &self, + opaque_type_key: ty::OpaqueTypeKey, + param_env: ::ParamEnv, + hidden_ty: ::Ty, + goals: &mut Vec::Predicate>>, + ) -> Result<(), NoSolution>; + + fn add_item_bounds_for_hidden_type( + &self, + def_id: ::DefId, + args: ::GenericArgs, + param_env: ::ParamEnv, + hidden_ty: ::Ty, + goals: &mut Vec::Predicate>>, + ); + + fn inject_new_hidden_type_unchecked( + &self, + key: ty::OpaqueTypeKey, + hidden_ty: ::Ty, + ); + + fn reset_opaque_types(&self); + + fn trait_ref_is_knowable( + &self, + trait_ref: ty::TraitRef, + lazily_normalize_ty: impl FnMut( + ::Ty, + ) -> Result<::Ty, E>, + ) -> Result; + + fn fetch_eligible_assoc_item( + &self, + param_env: ::ParamEnv, + goal_trait_ref: ty::TraitRef, + trait_assoc_def_id: ::DefId, + impl_def_id: ::DefId, + ) -> Result::DefId>, NoSolution>; } diff --git a/compiler/rustc_next_trait_solver/src/lib.rs b/compiler/rustc_next_trait_solver/src/lib.rs index ea3e18872fa4..a6002bfd7ca4 100644 --- a/compiler/rustc_next_trait_solver/src/lib.rs +++ b/compiler/rustc_next_trait_solver/src/lib.rs @@ -4,6 +4,12 @@ //! but were uplifted in the process of making the new trait solver generic. //! So if you got to this crate from the old solver, it's totally normal. +#![feature(let_chains)] + +// TODO: remove this, use explicit imports. +#[macro_use] +extern crate tracing; + pub mod canonicalizer; pub mod infcx; pub mod resolve; diff --git a/compiler/rustc_next_trait_solver/src/solve.rs b/compiler/rustc_next_trait_solver/src/solve.rs deleted file mode 100644 index eba96facabc6..000000000000 --- a/compiler/rustc_next_trait_solver/src/solve.rs +++ /dev/null @@ -1 +0,0 @@ -pub use rustc_type_ir::solve::*; diff --git a/compiler/rustc_trait_selection/src/solve/alias_relate.rs b/compiler/rustc_next_trait_solver/src/solve/alias_relate.rs similarity index 90% rename from compiler/rustc_trait_selection/src/solve/alias_relate.rs rename to compiler/rustc_next_trait_solver/src/solve/alias_relate.rs index 722e86f5b847..3228146c6890 100644 --- a/compiler/rustc_trait_selection/src/solve/alias_relate.rs +++ b/compiler/rustc_next_trait_solver/src/solve/alias_relate.rs @@ -15,17 +15,22 @@ //! (3.) Otherwise, if we end with two rigid (non-projection) or infer types, //! relate them structurally. -use super::infcx::SolverDelegate; -use super::EvalCtxt; -use rustc_middle::traits::solve::{Certainty, Goal, QueryResult}; -use rustc_middle::ty; +use rustc_type_ir::inherent::*; +use rustc_type_ir::{self as ty, Interner}; -impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { +use crate::infcx::SolverDelegate; +use crate::solve::{Certainty, EvalCtxt, Goal, QueryResult}; + +impl EvalCtxt<'_, Infcx> +where + Infcx: SolverDelegate, + I: Interner, +{ #[instrument(level = "trace", skip(self), ret)] pub(super) fn compute_alias_relate_goal( &mut self, - goal: Goal<'tcx, (ty::Term<'tcx>, ty::Term<'tcx>, ty::AliasRelationDirection)>, - ) -> QueryResult<'tcx> { + goal: Goal, + ) -> QueryResult { let tcx = self.interner(); let Goal { param_env, predicate: (lhs, rhs, direction) } = goal; debug_assert!(lhs.to_alias_term().is_some() || rhs.to_alias_term().is_some()); diff --git a/compiler/rustc_trait_selection/src/solve/assembly/mod.rs b/compiler/rustc_next_trait_solver/src/solve/assembly/mod.rs similarity index 59% rename from compiler/rustc_trait_selection/src/solve/assembly/mod.rs rename to compiler/rustc_next_trait_solver/src/solve/assembly/mod.rs index 45d21285ff13..2664b3916e18 100644 --- a/compiler/rustc_trait_selection/src/solve/assembly/mod.rs +++ b/compiler/rustc_next_trait_solver/src/solve/assembly/mod.rs @@ -1,33 +1,25 @@ //! Code shared by trait and projection goals for candidate assembly. -use crate::solve::infcx::SolverDelegate; -use derivative::Derivative; -use rustc_hir::def_id::DefId; -use rustc_hir::LangItem; -use rustc_infer::traits::query::NoSolution; -use rustc_infer::traits::util::supertraits; -use rustc_middle::bug; -use rustc_middle::traits::solve::inspect::ProbeKind; -use rustc_middle::traits::solve::{Certainty, Goal, MaybeCause, QueryResult}; -use rustc_middle::traits::BuiltinImplSource; -use rustc_middle::ty::fast_reject::{SimplifiedType, TreatParams}; -use rustc_middle::ty::{self, Ty, TyCtxt}; -use rustc_middle::ty::{fast_reject, TypeFoldable}; -use rustc_middle::ty::{TypeVisitableExt, Upcast}; -use rustc_span::{ErrorGuaranteed, DUMMY_SP}; -use rustc_type_ir::solve::{CandidateSource, CanonicalResponse}; -use rustc_type_ir::Interner; - -use crate::solve::GoalSource; -use crate::solve::{EvalCtxt, SolverMode}; - pub(super) mod structural_traits; +use rustc_type_ir::fold::TypeFoldable; +use rustc_type_ir::inherent::*; +use rustc_type_ir::lang_items::TraitSolverLangItem; +use rustc_type_ir::visit::TypeVisitableExt as _; +use rustc_type_ir::{self as ty, Interner, Upcast as _}; + +use crate::infcx::SolverDelegate; +use crate::solve::inspect::ProbeKind; +use crate::solve::{ + BuiltinImplSource, CandidateSource, CanonicalResponse, Certainty, EvalCtxt, Goal, GoalSource, + MaybeCause, NoSolution, QueryResult, SolverMode, +}; + /// A candidate is a possible way to prove a goal. /// /// It consists of both the `source`, which describes how that goal would be proven, /// and the `result` when using the given `source`. -#[derive(Derivative)] +#[derive(derivative::Derivative)] #[derivative(Debug(bound = ""), Clone(bound = ""))] pub(super) struct Candidate { pub(super) source: CandidateSource, @@ -35,39 +27,42 @@ pub(super) struct Candidate { } /// Methods used to assemble candidates for either trait or projection goals. -pub(super) trait GoalKind<'tcx>: - TypeFoldable> + Copy + Eq + std::fmt::Display +pub(super) trait GoalKind::Interner>: + TypeFoldable + Copy + Eq + std::fmt::Display +where + Infcx: SolverDelegate, + I: Interner, { - fn self_ty(self) -> Ty<'tcx>; + fn self_ty(self) -> I::Ty; - fn trait_ref(self, tcx: TyCtxt<'tcx>) -> ty::TraitRef<'tcx>; + fn trait_ref(self, tcx: I) -> ty::TraitRef; - fn with_self_ty(self, tcx: TyCtxt<'tcx>, self_ty: Ty<'tcx>) -> Self; + fn with_self_ty(self, tcx: I, self_ty: I::Ty) -> Self; - fn trait_def_id(self, tcx: TyCtxt<'tcx>) -> DefId; + fn trait_def_id(self, tcx: I) -> I::DefId; /// Try equating an assumption predicate against a goal's predicate. If it /// holds, then execute the `then` callback, which should do any additional /// work, then produce a response (typically by executing /// [`EvalCtxt::evaluate_added_goals_and_make_canonical_response`]). fn probe_and_match_goal_against_assumption( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - source: CandidateSource>, - goal: Goal<'tcx, Self>, - assumption: ty::Clause<'tcx>, - then: impl FnOnce(&mut EvalCtxt<'_, SolverDelegate<'tcx>>) -> QueryResult<'tcx>, - ) -> Result>, NoSolution>; + ecx: &mut EvalCtxt<'_, Infcx>, + source: CandidateSource, + goal: Goal, + assumption: I::Clause, + then: impl FnOnce(&mut EvalCtxt<'_, Infcx>) -> QueryResult, + ) -> Result, NoSolution>; /// Consider a clause, which consists of a "assumption" and some "requirements", /// to satisfy a goal. If the requirements hold, then attempt to satisfy our /// goal by equating it with the assumption. fn probe_and_consider_implied_clause( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - parent_source: CandidateSource>, - goal: Goal<'tcx, Self>, - assumption: ty::Clause<'tcx>, - requirements: impl IntoIterator>)>, - ) -> Result>, NoSolution> { + ecx: &mut EvalCtxt<'_, Infcx>, + parent_source: CandidateSource, + goal: Goal, + assumption: I::Clause, + requirements: impl IntoIterator)>, + ) -> Result, NoSolution> { Self::probe_and_match_goal_against_assumption(ecx, parent_source, goal, assumption, |ecx| { for (nested_source, goal) in requirements { ecx.add_goal(nested_source, goal); @@ -80,15 +75,15 @@ pub(super) trait GoalKind<'tcx>: /// additionally checking all of the supertraits and object bounds to hold, /// since they're not implied by the well-formedness of the object type. fn probe_and_consider_object_bound_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - source: CandidateSource>, - goal: Goal<'tcx, Self>, - assumption: ty::Clause<'tcx>, - ) -> Result>, NoSolution> { + ecx: &mut EvalCtxt<'_, Infcx>, + source: CandidateSource, + goal: Goal, + assumption: I::Clause, + ) -> Result, NoSolution> { Self::probe_and_match_goal_against_assumption(ecx, source, goal, assumption, |ecx| { let tcx = ecx.interner(); - let ty::Dynamic(bounds, _, _) = *goal.predicate.self_ty().kind() else { - bug!("expected object type in `probe_and_consider_object_bound_candidate`"); + let ty::Dynamic(bounds, _, _) = goal.predicate.self_ty().kind() else { + panic!("expected object type in `probe_and_consider_object_bound_candidate`"); }; ecx.add_goals( GoalSource::ImplWhereBound, @@ -104,10 +99,10 @@ pub(super) trait GoalKind<'tcx>: } fn consider_impl_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - impl_def_id: DefId, - ) -> Result>, NoSolution>; + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + impl_def_id: I::DefId, + ) -> Result, NoSolution>; /// If the predicate contained an error, we want to avoid emitting unnecessary trait /// errors but still want to emit errors for other trait goals. We have some special @@ -116,85 +111,85 @@ pub(super) trait GoalKind<'tcx>: /// Trait goals always hold while projection goals never do. This is a bit arbitrary /// but prevents incorrect normalization while hiding any trait errors. fn consider_error_guaranteed_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - guar: ErrorGuaranteed, - ) -> Result>, NoSolution>; + ecx: &mut EvalCtxt<'_, Infcx>, + guar: I::ErrorGuaranteed, + ) -> Result, NoSolution>; /// A type implements an `auto trait` if its components do as well. /// /// These components are given by built-in rules from /// [`structural_traits::instantiate_constituent_tys_for_auto_trait`]. fn consider_auto_trait_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution>; + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution>; /// A trait alias holds if the RHS traits and `where` clauses hold. fn consider_trait_alias_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution>; + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution>; /// A type is `Sized` if its tail component is `Sized`. /// /// These components are given by built-in rules from /// [`structural_traits::instantiate_constituent_tys_for_sized_trait`]. fn consider_builtin_sized_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution>; + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution>; /// A type is `Copy` or `Clone` if its components are `Copy` or `Clone`. /// /// These components are given by built-in rules from /// [`structural_traits::instantiate_constituent_tys_for_copy_clone_trait`]. fn consider_builtin_copy_clone_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution>; + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution>; /// A type is `PointerLike` if we can compute its layout, and that layout /// matches the layout of `usize`. fn consider_builtin_pointer_like_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution>; + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution>; /// A type is a `FnPtr` if it is of `FnPtr` type. fn consider_builtin_fn_ptr_trait_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution>; + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution>; /// A callable type (a closure, fn def, or fn ptr) is known to implement the `Fn` /// family of traits where `A` is given by the signature of the type. fn consider_builtin_fn_trait_candidates( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, kind: ty::ClosureKind, - ) -> Result>, NoSolution>; + ) -> Result, NoSolution>; /// An async closure is known to implement the `AsyncFn` family of traits /// where `A` is given by the signature of the type. fn consider_builtin_async_fn_trait_candidates( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, kind: ty::ClosureKind, - ) -> Result>, NoSolution>; + ) -> Result, NoSolution>; /// Compute the built-in logic of the `AsyncFnKindHelper` helper trait, which /// is used internally to delay computation for async closures until after /// upvar analysis is performed in HIR typeck. fn consider_builtin_async_fn_kind_helper_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution>; + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution>; /// `Tuple` is implemented if the `Self` type is a tuple. fn consider_builtin_tuple_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution>; + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution>; /// `Pointee` is always implemented. /// @@ -202,65 +197,65 @@ pub(super) trait GoalKind<'tcx>: /// the built-in types. For structs, the metadata type is given by the struct /// tail. fn consider_builtin_pointee_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution>; + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution>; /// A coroutine (that comes from an `async` desugaring) is known to implement /// `Future`, where `O` is given by the coroutine's return type /// that was computed during type-checking. fn consider_builtin_future_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution>; + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution>; /// A coroutine (that comes from a `gen` desugaring) is known to implement /// `Iterator`, where `O` is given by the generator's yield type /// that was computed during type-checking. fn consider_builtin_iterator_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution>; + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution>; /// A coroutine (that comes from a `gen` desugaring) is known to implement /// `FusedIterator` fn consider_builtin_fused_iterator_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution>; + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution>; fn consider_builtin_async_iterator_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution>; + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution>; /// A coroutine (that doesn't come from an `async` or `gen` desugaring) is known to /// implement `Coroutine`, given the resume, yield, /// and return types of the coroutine computed during type-checking. fn consider_builtin_coroutine_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution>; + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution>; fn consider_builtin_discriminant_kind_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution>; + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution>; fn consider_builtin_async_destruct_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution>; + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution>; fn consider_builtin_destruct_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution>; + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution>; fn consider_builtin_transmute_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution>; + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution>; /// Consider (possibly several) candidates to upcast or unsize a type to another /// type, excluding the coercion of a sized type into a `dyn Trait`. @@ -270,16 +265,20 @@ pub(super) trait GoalKind<'tcx>: /// otherwise recompute this for codegen. This is a bit of a mess but the /// easiest way to maintain the existing behavior for now. fn consider_structural_builtin_unsize_candidates( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Vec>>; + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Vec>; } -impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { - pub(super) fn assemble_and_evaluate_candidates>( +impl EvalCtxt<'_, Infcx> +where + Infcx: SolverDelegate, + I: Interner, +{ + pub(super) fn assemble_and_evaluate_candidates>( &mut self, - goal: Goal<'tcx, G>, - ) -> Vec>> { + goal: Goal, + ) -> Vec> { let Ok(normalized_self_ty) = self.structurally_normalize_ty(goal.param_env, goal.predicate.self_ty()) else { @@ -291,7 +290,7 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { return self.forced_ambiguity(MaybeCause::Ambiguity).into_iter().collect(); } - let goal: Goal<'tcx, G> = goal.with( + let goal: Goal = goal.with( self.interner(), goal.predicate.with_self_ty(self.interner(), normalized_self_ty), ); @@ -301,7 +300,7 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { let mut candidates = vec![]; - self.assemble_non_blanket_impl_candidates(goal, &mut candidates); + self.assemble_impl_candidates(goal, &mut candidates); self.assemble_builtin_impl_candidates(goal, &mut candidates); @@ -309,8 +308,6 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { self.assemble_object_bound_candidates(goal, &mut candidates); - self.assemble_blanket_impl_candidates(goal, &mut candidates); - self.assemble_param_env_candidates(goal, &mut candidates); match self.solver_mode() { @@ -326,7 +323,7 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { pub(super) fn forced_ambiguity( &mut self, cause: MaybeCause, - ) -> Result>, NoSolution> { + ) -> Result, NoSolution> { // This may fail if `try_evaluate_added_goals` overflows because it // fails to reach a fixpoint but ends up getting an error after // running for some additional step. @@ -339,149 +336,36 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { } #[instrument(level = "trace", skip_all)] - fn assemble_non_blanket_impl_candidates>( + fn assemble_impl_candidates>( &mut self, - goal: Goal<'tcx, G>, - candidates: &mut Vec>>, + goal: Goal, + candidates: &mut Vec>, ) { let tcx = self.interner(); - let self_ty = goal.predicate.self_ty(); - let trait_impls = tcx.trait_impls_of(goal.predicate.trait_def_id(tcx)); - let mut consider_impls_for_simplified_type = |simp| { - if let Some(impls_for_type) = trait_impls.non_blanket_impls().get(&simp) { - for &impl_def_id in impls_for_type { - // For every `default impl`, there's always a non-default `impl` - // that will *also* apply. There's no reason to register a candidate - // for this impl, since it is *not* proof that the trait goal holds. - if tcx.defaultness(impl_def_id).is_default() { - return; - } - - match G::consider_impl_candidate(self, goal, impl_def_id) { - Ok(candidate) => candidates.push(candidate), - Err(NoSolution) => (), - } + tcx.for_each_relevant_impl( + goal.predicate.trait_def_id(tcx), + goal.predicate.self_ty(), + |impl_def_id| { + // For every `default impl`, there's always a non-default `impl` + // that will *also* apply. There's no reason to register a candidate + // for this impl, since it is *not* proof that the trait goal holds. + if tcx.impl_is_default(impl_def_id) { + return; } - } - }; - match self_ty.kind() { - ty::Bool - | ty::Char - | ty::Int(_) - | ty::Uint(_) - | ty::Float(_) - | ty::Adt(_, _) - | ty::Foreign(_) - | ty::Str - | ty::Array(_, _) - | ty::Pat(_, _) - | ty::Slice(_) - | ty::RawPtr(_, _) - | ty::Ref(_, _, _) - | ty::FnDef(_, _) - | ty::FnPtr(_) - | ty::Dynamic(_, _, _) - | ty::Closure(..) - | ty::CoroutineClosure(..) - | ty::Coroutine(_, _) - | ty::Never - | ty::Tuple(_) => { - let simp = - fast_reject::simplify_type(tcx, self_ty, TreatParams::ForLookup).unwrap(); - consider_impls_for_simplified_type(simp); - } - - // HACK: For integer and float variables we have to manually look at all impls - // which have some integer or float as a self type. - ty::Infer(ty::IntVar(_)) => { - use ty::IntTy::*; - use ty::UintTy::*; - // This causes a compiler error if any new integer kinds are added. - let (I8 | I16 | I32 | I64 | I128 | Isize): ty::IntTy; - let (U8 | U16 | U32 | U64 | U128 | Usize): ty::UintTy; - let possible_integers = [ - // signed integers - SimplifiedType::Int(I8), - SimplifiedType::Int(I16), - SimplifiedType::Int(I32), - SimplifiedType::Int(I64), - SimplifiedType::Int(I128), - SimplifiedType::Int(Isize), - // unsigned integers - SimplifiedType::Uint(U8), - SimplifiedType::Uint(U16), - SimplifiedType::Uint(U32), - SimplifiedType::Uint(U64), - SimplifiedType::Uint(U128), - SimplifiedType::Uint(Usize), - ]; - for simp in possible_integers { - consider_impls_for_simplified_type(simp); + match G::consider_impl_candidate(self, goal, impl_def_id) { + Ok(candidate) => candidates.push(candidate), + Err(NoSolution) => (), } - } - - ty::Infer(ty::FloatVar(_)) => { - // This causes a compiler error if any new float kinds are added. - let (ty::FloatTy::F16 | ty::FloatTy::F32 | ty::FloatTy::F64 | ty::FloatTy::F128); - let possible_floats = [ - SimplifiedType::Float(ty::FloatTy::F16), - SimplifiedType::Float(ty::FloatTy::F32), - SimplifiedType::Float(ty::FloatTy::F64), - SimplifiedType::Float(ty::FloatTy::F128), - ]; - - for simp in possible_floats { - consider_impls_for_simplified_type(simp); - } - } - - // The only traits applying to aliases and placeholders are blanket impls. - // - // Impls which apply to an alias after normalization are handled by - // `assemble_candidates_after_normalizing_self_ty`. - ty::Alias(_, _) | ty::Placeholder(..) | ty::Error(_) => (), - - // FIXME: These should ideally not exist as a self type. It would be nice for - // the builtin auto trait impls of coroutines to instead directly recurse - // into the witness. - ty::CoroutineWitness(..) => (), - - // These variants should not exist as a self type. - ty::Infer(ty::TyVar(_) | ty::FreshTy(_) | ty::FreshIntTy(_) | ty::FreshFloatTy(_)) - | ty::Param(_) - | ty::Bound(_, _) => bug!("unexpected self type: {self_ty}"), - } + }, + ); } #[instrument(level = "trace", skip_all)] - fn assemble_blanket_impl_candidates>( + fn assemble_builtin_impl_candidates>( &mut self, - goal: Goal<'tcx, G>, - candidates: &mut Vec>>, - ) { - let tcx = self.interner(); - let trait_impls = tcx.trait_impls_of(goal.predicate.trait_def_id(tcx)); - for &impl_def_id in trait_impls.blanket_impls() { - // For every `default impl`, there's always a non-default `impl` - // that will *also* apply. There's no reason to register a candidate - // for this impl, since it is *not* proof that the trait goal holds. - if tcx.defaultness(impl_def_id).is_default() { - return; - } - - match G::consider_impl_candidate(self, goal, impl_def_id) { - Ok(candidate) => candidates.push(candidate), - Err(NoSolution) => (), - } - } - } - - #[instrument(level = "trace", skip_all)] - fn assemble_builtin_impl_candidates>( - &mut self, - goal: Goal<'tcx, G>, - candidates: &mut Vec>>, + goal: Goal, + candidates: &mut Vec>, ) { let tcx = self.interner(); let trait_def_id = goal.predicate.trait_def_id(tcx); @@ -499,43 +383,43 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { G::consider_auto_trait_candidate(self, goal) } else if tcx.trait_is_alias(trait_def_id) { G::consider_trait_alias_candidate(self, goal) - } else if tcx.is_lang_item(trait_def_id, LangItem::Sized) { + } else if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::Sized) { G::consider_builtin_sized_candidate(self, goal) - } else if tcx.is_lang_item(trait_def_id, LangItem::Copy) - || tcx.is_lang_item(trait_def_id, LangItem::Clone) + } else if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::Copy) + || tcx.is_lang_item(trait_def_id, TraitSolverLangItem::Clone) { G::consider_builtin_copy_clone_candidate(self, goal) - } else if tcx.is_lang_item(trait_def_id, LangItem::PointerLike) { + } else if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::PointerLike) { G::consider_builtin_pointer_like_candidate(self, goal) - } else if tcx.is_lang_item(trait_def_id, LangItem::FnPtrTrait) { + } else if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::FnPtrTrait) { G::consider_builtin_fn_ptr_trait_candidate(self, goal) } else if let Some(kind) = self.interner().fn_trait_kind_from_def_id(trait_def_id) { G::consider_builtin_fn_trait_candidates(self, goal, kind) } else if let Some(kind) = self.interner().async_fn_trait_kind_from_def_id(trait_def_id) { G::consider_builtin_async_fn_trait_candidates(self, goal, kind) - } else if tcx.is_lang_item(trait_def_id, LangItem::AsyncFnKindHelper) { + } else if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::AsyncFnKindHelper) { G::consider_builtin_async_fn_kind_helper_candidate(self, goal) - } else if tcx.is_lang_item(trait_def_id, LangItem::Tuple) { + } else if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::Tuple) { G::consider_builtin_tuple_candidate(self, goal) - } else if tcx.is_lang_item(trait_def_id, LangItem::PointeeTrait) { + } else if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::PointeeTrait) { G::consider_builtin_pointee_candidate(self, goal) - } else if tcx.is_lang_item(trait_def_id, LangItem::Future) { + } else if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::Future) { G::consider_builtin_future_candidate(self, goal) - } else if tcx.is_lang_item(trait_def_id, LangItem::Iterator) { + } else if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::Iterator) { G::consider_builtin_iterator_candidate(self, goal) - } else if tcx.is_lang_item(trait_def_id, LangItem::FusedIterator) { + } else if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::FusedIterator) { G::consider_builtin_fused_iterator_candidate(self, goal) - } else if tcx.is_lang_item(trait_def_id, LangItem::AsyncIterator) { + } else if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::AsyncIterator) { G::consider_builtin_async_iterator_candidate(self, goal) - } else if tcx.is_lang_item(trait_def_id, LangItem::Coroutine) { + } else if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::Coroutine) { G::consider_builtin_coroutine_candidate(self, goal) - } else if tcx.is_lang_item(trait_def_id, LangItem::DiscriminantKind) { + } else if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::DiscriminantKind) { G::consider_builtin_discriminant_kind_candidate(self, goal) - } else if tcx.is_lang_item(trait_def_id, LangItem::AsyncDestruct) { + } else if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::AsyncDestruct) { G::consider_builtin_async_destruct_candidate(self, goal) - } else if tcx.is_lang_item(trait_def_id, LangItem::Destruct) { + } else if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::Destruct) { G::consider_builtin_destruct_candidate(self, goal) - } else if tcx.is_lang_item(trait_def_id, LangItem::TransmuteTrait) { + } else if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::TransmuteTrait) { G::consider_builtin_transmute_candidate(self, goal) } else { Err(NoSolution) @@ -545,18 +429,18 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { // There may be multiple unsize candidates for a trait with several supertraits: // `trait Foo: Bar + Bar` and `dyn Foo: Unsize>` - if tcx.is_lang_item(trait_def_id, LangItem::Unsize) { + if tcx.is_lang_item(trait_def_id, TraitSolverLangItem::Unsize) { candidates.extend(G::consider_structural_builtin_unsize_candidates(self, goal)); } } #[instrument(level = "trace", skip_all)] - fn assemble_param_env_candidates>( + fn assemble_param_env_candidates>( &mut self, - goal: Goal<'tcx, G>, - candidates: &mut Vec>>, + goal: Goal, + candidates: &mut Vec>, ) { - for (i, assumption) in goal.param_env.caller_bounds().iter().enumerate() { + for (i, assumption) in goal.param_env.caller_bounds().into_iter().enumerate() { candidates.extend(G::probe_and_consider_implied_clause( self, CandidateSource::ParamEnv(i), @@ -568,10 +452,10 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { } #[instrument(level = "trace", skip_all)] - fn assemble_alias_bound_candidates>( + fn assemble_alias_bound_candidates>( &mut self, - goal: Goal<'tcx, G>, - candidates: &mut Vec>>, + goal: Goal, + candidates: &mut Vec>, ) { let () = self.probe(|_| ProbeKind::NormalizedSelfTyAssembly).enter(|ecx| { ecx.assemble_alias_bound_candidates_recur(goal.predicate.self_ty(), goal, candidates); @@ -587,13 +471,13 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { /// If so, continue searching by recursively calling after normalization. // FIXME: This may recurse infinitely, but I can't seem to trigger it without // hitting another overflow error something. Add a depth parameter needed later. - fn assemble_alias_bound_candidates_recur>( + fn assemble_alias_bound_candidates_recur>( &mut self, - self_ty: Ty<'tcx>, - goal: Goal<'tcx, G>, - candidates: &mut Vec>>, + self_ty: I::Ty, + goal: Goal, + candidates: &mut Vec>, ) { - let (kind, alias_ty) = match *self_ty.kind() { + let (kind, alias_ty) = match self_ty.kind() { ty::Bool | ty::Char | ty::Int(_) @@ -621,7 +505,7 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { | ty::Infer(ty::IntVar(_) | ty::FloatVar(_)) | ty::Error(_) => return, ty::Infer(ty::FreshTy(_) | ty::FreshIntTy(_) | ty::FreshFloatTy(_)) | ty::Bound(..) => { - bug!("unexpected self type for `{goal:?}`") + panic!("unexpected self type for `{goal:?}`") } ty::Infer(ty::TyVar(_)) => { @@ -638,16 +522,15 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { ty::Alias(kind @ (ty::Projection | ty::Opaque), alias_ty) => (kind, alias_ty), ty::Alias(ty::Inherent | ty::Weak, _) => { - self.interner().sess.dcx().span_delayed_bug( - DUMMY_SP, - format!("could not normalize {self_ty}, it is not WF"), - ); + self.interner().delay_bug(format!("could not normalize {self_ty:?}, it is not WF")); return; } }; - for assumption in - self.interner().item_bounds(alias_ty.def_id).instantiate(self.interner(), alias_ty.args) + for assumption in self + .interner() + .item_bounds(alias_ty.def_id) + .iter_instantiated(self.interner(), &alias_ty.args) { candidates.extend(G::probe_and_consider_implied_clause( self, @@ -672,18 +555,18 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { } #[instrument(level = "trace", skip_all)] - fn assemble_object_bound_candidates>( + fn assemble_object_bound_candidates>( &mut self, - goal: Goal<'tcx, G>, - candidates: &mut Vec>>, + goal: Goal, + candidates: &mut Vec>, ) { let tcx = self.interner(); - if !tcx.trait_def(goal.predicate.trait_def_id(tcx)).implement_via_object { + if !tcx.trait_may_be_implemented_via_object(goal.predicate.trait_def_id(tcx)) { return; } let self_ty = goal.predicate.self_ty(); - let bounds = match *self_ty.kind() { + let bounds = match self_ty.kind() { ty::Bool | ty::Char | ty::Int(_) @@ -711,12 +594,12 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { | ty::Infer(ty::IntVar(_) | ty::FloatVar(_)) | ty::Error(_) => return, ty::Infer(ty::TyVar(_) | ty::FreshTy(_) | ty::FreshIntTy(_) | ty::FreshFloatTy(_)) - | ty::Bound(..) => bug!("unexpected self type for `{goal:?}`"), + | ty::Bound(..) => panic!("unexpected self type for `{goal:?}`"), ty::Dynamic(bounds, ..) => bounds, }; // Do not consider built-in object impls for non-object-safe types. - if bounds.principal_def_id().is_some_and(|def_id| !tcx.is_object_safe(def_id)) { + if bounds.principal_def_id().is_some_and(|def_id| !tcx.trait_is_object_safe(def_id)) { return; } @@ -745,7 +628,9 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { // a projection goal. if let Some(principal) = bounds.principal() { let principal_trait_ref = principal.with_self_ty(tcx, self_ty); - for (idx, assumption) in supertraits(self.interner(), principal_trait_ref).enumerate() { + for (idx, assumption) in + Infcx::elaborate_supertraits(tcx, principal_trait_ref).enumerate() + { candidates.extend(G::probe_and_consider_object_bound_candidate( self, CandidateSource::BuiltinImpl(BuiltinImplSource::Object(idx)), @@ -763,10 +648,10 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { /// To do so we add an ambiguous candidate in case such an unknown impl could /// apply to the current goal. #[instrument(level = "trace", skip_all)] - fn assemble_coherence_unknowable_candidates>( + fn assemble_coherence_unknowable_candidates>( &mut self, - goal: Goal<'tcx, G>, - candidates: &mut Vec>>, + goal: Goal, + candidates: &mut Vec>, ) { let tcx = self.interner(); @@ -792,13 +677,13 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { // to improve this however. However, this should make it fairly straightforward to refine // the filtering going forward, so it seems alright-ish for now. #[instrument(level = "debug", skip(self, goal))] - fn discard_impls_shadowed_by_env>( + fn discard_impls_shadowed_by_env>( &mut self, - goal: Goal<'tcx, G>, - candidates: &mut Vec>>, + goal: Goal, + candidates: &mut Vec>, ) { let tcx = self.interner(); - let trait_goal: Goal<'tcx, ty::TraitPredicate<'tcx>> = + let trait_goal: Goal> = goal.with(tcx, goal.predicate.trait_ref(tcx)); let mut trait_candidates_from_env = vec![]; @@ -823,7 +708,7 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { false } CandidateSource::ParamEnv(_) | CandidateSource::AliasBound => true, - CandidateSource::CoherenceUnknowable => bug!("uh oh"), + CandidateSource::CoherenceUnknowable => panic!("uh oh"), }); } // If it is still ambiguous we instead just force the whole goal @@ -841,10 +726,7 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { /// to somehow try to merge the candidates into one. If that fails, we return /// ambiguity. #[instrument(level = "debug", skip(self), ret)] - pub(super) fn merge_candidates( - &mut self, - candidates: Vec>>, - ) -> QueryResult<'tcx> { + pub(super) fn merge_candidates(&mut self, candidates: Vec>) -> QueryResult { // First try merging all candidates. This is complete and fully sound. let responses = candidates.iter().map(|c| c.result).collect::>(); if let Some(result) = self.try_merge_responses(&responses) { diff --git a/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs b/compiler/rustc_next_trait_solver/src/solve/assembly/structural_traits.rs similarity index 98% rename from compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs rename to compiler/rustc_next_trait_solver/src/solve/assembly/structural_traits.rs index 496be3af5739..eb37add61cc4 100644 --- a/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs +++ b/compiler/rustc_next_trait_solver/src/solve/assembly/structural_traits.rs @@ -3,20 +3,16 @@ use rustc_ast_ir::{Movability, Mutability}; use rustc_data_structures::fx::FxHashMap; -use rustc_next_trait_solver::infcx::SolverDelegate; -use rustc_next_trait_solver::solve::{Goal, NoSolution}; use rustc_type_ir::fold::{TypeFoldable, TypeFolder, TypeSuperFoldable}; use rustc_type_ir::inherent::*; use rustc_type_ir::lang_items::TraitSolverLangItem; -use rustc_type_ir::{self as ty, Interner, Upcast}; +use rustc_type_ir::{self as ty, Interner, Upcast as _}; use rustc_type_ir_macros::{TypeFoldable_Generic, TypeVisitable_Generic}; -use crate::solve::EvalCtxt; +use crate::infcx::SolverDelegate; +use crate::solve::{EvalCtxt, Goal, NoSolution}; // Calculates the constituent types of a type for `auto trait` purposes. -// -// For types with an "existential" binder, i.e. coroutine witnesses, we also -// instantiate the binder with placeholders eagerly. #[instrument(level = "trace", skip(ecx), ret)] pub(in crate::solve) fn instantiate_constituent_tys_for_auto_trait( ecx: &EvalCtxt<'_, Infcx>, @@ -745,7 +741,7 @@ impl, I: Interner> TypeFolder ) .expect("expected to be able to unify goal projection with dyn's projection"), ); - proj.term.expect_type() + proj.term.expect_ty() } else { ty.super_fold_with(self) } diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs b/compiler/rustc_next_trait_solver/src/solve/eval_ctxt/canonical.rs similarity index 63% rename from compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs rename to compiler/rustc_next_trait_solver/src/solve/eval_ctxt/canonical.rs index 3ba17a0dcf9e..e4b54fff0b3a 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs +++ b/compiler/rustc_next_trait_solver/src/solve/eval_ctxt/canonical.rs @@ -8,60 +8,52 @@ //! section of the [rustc-dev-guide][c]. //! //! [c]: https://rustc-dev-guide.rust-lang.org/solve/canonicalization.html -use super::{CanonicalInput, Certainty, EvalCtxt, Goal}; -use crate::solve::eval_ctxt::NestedGoals; -use crate::solve::infcx::SolverDelegate; -use crate::solve::{ - inspect, response_no_constraints_raw, CanonicalResponse, QueryResult, Response, -}; -use rustc_data_structures::fx::FxHashSet; -use rustc_index::IndexVec; -use rustc_infer::infer::canonical::query_response::make_query_region_constraints; -use rustc_infer::infer::canonical::{CanonicalExt, QueryRegionConstraints}; -use rustc_infer::infer::RegionVariableOrigin; -use rustc_infer::infer::{InferCtxt, InferOk}; -use rustc_infer::traits::solve::NestedNormalizationGoals; -use rustc_middle::bug; -use rustc_middle::infer::canonical::Canonical; -use rustc_middle::traits::query::NoSolution; -use rustc_middle::traits::solve::{ - ExternalConstraintsData, MaybeCause, PredefinedOpaquesData, QueryInput, -}; -use rustc_middle::traits::ObligationCause; -use rustc_middle::ty::{self, BoundVar, GenericArgKind, Ty, TyCtxt, TypeFoldable}; -use rustc_next_trait_solver::canonicalizer::{CanonicalizeMode, Canonicalizer}; -use rustc_next_trait_solver::infcx::SolverDelegate as IrSolverDelegate; -use rustc_next_trait_solver::resolve::EagerResolver; -use rustc_span::{Span, DUMMY_SP}; -use rustc_type_ir::CanonicalVarValues; -use rustc_type_ir::Interner; -use std::assert_matches::assert_matches; + use std::iter; -use std::ops::Deref; -trait ResponseT<'tcx> { - fn var_values(&self) -> CanonicalVarValues>; +use rustc_index::IndexVec; +use rustc_type_ir::fold::TypeFoldable; +use rustc_type_ir::inherent::*; +use rustc_type_ir::{self as ty, Canonical, CanonicalVarValues, Interner}; + +use crate::canonicalizer::{CanonicalizeMode, Canonicalizer}; +use crate::infcx::SolverDelegate; +use crate::resolve::EagerResolver; +use crate::solve::eval_ctxt::NestedGoals; +use crate::solve::inspect; +use crate::solve::{ + response_no_constraints_raw, CanonicalInput, CanonicalResponse, Certainty, EvalCtxt, + ExternalConstraintsData, Goal, MaybeCause, NestedNormalizationGoals, NoSolution, + PredefinedOpaquesData, QueryInput, QueryResult, Response, +}; + +trait ResponseT { + fn var_values(&self) -> CanonicalVarValues; } -impl<'tcx> ResponseT<'tcx> for Response> { - fn var_values(&self) -> CanonicalVarValues> { +impl ResponseT for Response { + fn var_values(&self) -> CanonicalVarValues { self.var_values } } -impl<'tcx, T> ResponseT<'tcx> for inspect::State, T> { - fn var_values(&self) -> CanonicalVarValues> { +impl ResponseT for inspect::State { + fn var_values(&self) -> CanonicalVarValues { self.var_values } } -impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { +impl EvalCtxt<'_, Infcx> +where + Infcx: SolverDelegate, + I: Interner, +{ /// Canonicalizes the goal remembering the original values /// for each bound variable. - pub(super) fn canonicalize_goal>>( + pub(super) fn canonicalize_goal>( &self, - goal: Goal<'tcx, T>, - ) -> (Vec>, CanonicalInput<'tcx, T>) { + goal: Goal, + ) -> (Vec, CanonicalInput) { let opaque_types = self.infcx.clone_opaque_types_for_query_response(); let (goal, opaque_types) = (goal, opaque_types).fold_with(&mut EagerResolver::new(self.infcx)); @@ -91,7 +83,7 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { pub(in crate::solve) fn evaluate_added_goals_and_make_canonical_response( &mut self, certainty: Certainty, - ) -> QueryResult<'tcx> { + ) -> QueryResult { self.inspect.make_canonical_response(certainty); let goals_certainty = self.try_evaluate_added_goals()?; @@ -104,8 +96,8 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { // We only check for leaks from universes which were entered inside // of the query. - self.infcx.leak_check(self.max_input_universe, None).map_err(|e| { - trace!(?e, "failed the leak check"); + self.infcx.leak_check(self.max_input_universe).map_err(|NoSolution| { + trace!("failed the leak check"); NoSolution })?; @@ -121,7 +113,7 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { if cfg!(debug_assertions) { assert!(normalizes_to_goals.is_empty()); if goals.is_empty() { - assert_matches!(goals_certainty, Certainty::Yes); + assert!(matches!(goals_certainty, Certainty::Yes)); } } (certainty, NestedNormalizationGoals(goals)) @@ -160,7 +152,7 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { pub(in crate::solve) fn make_ambiguous_response_no_constraints( &self, maybe_cause: MaybeCause, - ) -> CanonicalResponse<'tcx> { + ) -> CanonicalResponse { response_no_constraints_raw( self.interner(), self.max_input_universe, @@ -180,8 +172,8 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { fn compute_external_query_constraints( &self, certainty: Certainty, - normalization_nested_goals: NestedNormalizationGoals>, - ) -> ExternalConstraintsData> { + normalization_nested_goals: NestedNormalizationGoals, + ) -> ExternalConstraintsData { // We only return region constraints once the certainty is `Yes`. This // is necessary as we may drop nested goals on ambiguity, which may result // in unconstrained inference variables in the region constraints. It also @@ -191,26 +183,7 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { // `tests/ui/higher-ranked/leak-check/leak-check-in-selection-5-ambig.rs` and // `tests/ui/higher-ranked/leak-check/leak-check-in-selection-6-ambig-unify.rs`. let region_constraints = if certainty == Certainty::Yes { - // Cannot use `take_registered_region_obligations` as we may compute the response - // inside of a `probe` whenever we have multiple choices inside of the solver. - let region_obligations = self.infcx.inner.borrow().region_obligations().to_owned(); - let QueryRegionConstraints { outlives, member_constraints } = - self.infcx.with_region_constraints(|region_constraints| { - make_query_region_constraints( - self.interner(), - region_obligations.iter().map(|r_o| { - (r_o.sup_type, r_o.sub_region, r_o.origin.to_constraint_category()) - }), - region_constraints, - ) - }); - assert_eq!(member_constraints, vec![]); - let mut seen = FxHashSet::default(); - outlives - .into_iter() - .filter(|(outlives, _)| seen.insert(*outlives)) - .map(|(outlives, _origin)| outlives) - .collect() + self.infcx.make_deduplicated_outlives_constraints() } else { Default::default() }; @@ -240,10 +213,10 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { /// the `normalization_nested_goals` pub(super) fn instantiate_and_apply_query_response( &mut self, - param_env: ty::ParamEnv<'tcx>, - original_values: Vec>, - response: CanonicalResponse<'tcx>, - ) -> (NestedNormalizationGoals>, Certainty) { + param_env: I::ParamEnv, + original_values: Vec, + response: CanonicalResponse, + ) -> (NestedNormalizationGoals, Certainty) { let instantiation = Self::compute_query_response_instantiation_values( self.infcx, &original_values, @@ -251,7 +224,7 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { ); let Response { var_values, external_constraints, certainty } = - response.instantiate(self.interner(), &instantiation); + self.infcx.instantiate_canonical(response, instantiation); Self::unify_query_var_values(self.infcx, param_env, &original_values, var_values); @@ -259,7 +232,7 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { region_constraints, opaque_types, normalization_nested_goals, - } = external_constraints.deref(); + } = &*external_constraints; self.register_region_constraints(region_constraints); self.register_new_opaque_types(opaque_types); (normalization_nested_goals.clone(), certainty) @@ -268,11 +241,11 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { /// This returns the canoncial variable values to instantiate the bound variables of /// the canonical response. This depends on the `original_values` for the /// bound variables. - fn compute_query_response_instantiation_values>( - infcx: &InferCtxt<'tcx>, - original_values: &[ty::GenericArg<'tcx>], - response: &Canonical<'tcx, T>, - ) -> CanonicalVarValues> { + fn compute_query_response_instantiation_values>( + infcx: &Infcx, + original_values: &[I::GenericArg], + response: &Canonical, + ) -> CanonicalVarValues { // FIXME: Longterm canonical queries should deal with all placeholders // created inside of the query directly instead of returning them to the // caller. @@ -294,35 +267,35 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { // inference variable of the input right away, which is more performant. let mut opt_values = IndexVec::from_elem_n(None, response.variables.len()); for (original_value, result_value) in iter::zip(original_values, var_values.var_values) { - match result_value.unpack() { - GenericArgKind::Type(t) => { - if let &ty::Bound(debruijn, b) = t.kind() { + match result_value.kind() { + ty::GenericArgKind::Type(t) => { + if let ty::Bound(debruijn, b) = t.kind() { assert_eq!(debruijn, ty::INNERMOST); - opt_values[b.var] = Some(*original_value); + opt_values[b.var()] = Some(*original_value); } } - GenericArgKind::Lifetime(r) => { - if let ty::ReBound(debruijn, br) = *r { + ty::GenericArgKind::Lifetime(r) => { + if let ty::ReBound(debruijn, br) = r.kind() { assert_eq!(debruijn, ty::INNERMOST); - opt_values[br.var] = Some(*original_value); + opt_values[br.var()] = Some(*original_value); } } - GenericArgKind::Const(c) => { - if let ty::ConstKind::Bound(debruijn, b) = c.kind() { + ty::GenericArgKind::Const(c) => { + if let ty::ConstKind::Bound(debruijn, bv) = c.kind() { assert_eq!(debruijn, ty::INNERMOST); - opt_values[b] = Some(*original_value); + opt_values[bv.var()] = Some(*original_value); } } } } - let var_values = infcx.tcx.mk_args_from_iter(response.variables.iter().enumerate().map( - |(index, info)| { + let var_values = infcx.interner().mk_args_from_iter( + response.variables.into_iter().enumerate().map(|(index, info)| { if info.universe() != ty::UniverseIndex::ROOT { // A variable from inside a binder of the query. While ideally these shouldn't // exist at all (see the FIXME at the start of this method), we have to deal with // them for now. - infcx.instantiate_canonical_var(DUMMY_SP, info, |idx| { + infcx.instantiate_canonical_var_with_infer(info, |idx| { ty::UniverseIndex::from(prev_universe.index() + idx.index()) }) } else if info.is_existential() { @@ -333,18 +306,18 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { // more placeholders then they should be able to. However the inference variables have // to "come from somewhere", so by equating them with the original values of the caller // later on, we pull them down into their correct universe again. - if let Some(v) = opt_values[BoundVar::from_usize(index)] { + if let Some(v) = opt_values[ty::BoundVar::from_usize(index)] { v } else { - infcx.instantiate_canonical_var(DUMMY_SP, info, |_| prev_universe) + infcx.instantiate_canonical_var_with_infer(info, |_| prev_universe) } } else { // For placeholders which were already part of the input, we simply map this // universal bound variable back the placeholder of the input. original_values[info.expect_placeholder_index()] } - }, - )); + }), + ); CanonicalVarValues { var_values } } @@ -363,40 +336,35 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { /// always relate them structurally here. #[instrument(level = "trace", skip(infcx))] fn unify_query_var_values( - infcx: &InferCtxt<'tcx>, - param_env: ty::ParamEnv<'tcx>, - original_values: &[ty::GenericArg<'tcx>], - var_values: CanonicalVarValues>, + infcx: &Infcx, + param_env: I::ParamEnv, + original_values: &[I::GenericArg], + var_values: CanonicalVarValues, ) { assert_eq!(original_values.len(), var_values.len()); - let cause = ObligationCause::dummy(); for (&orig, response) in iter::zip(original_values, var_values.var_values) { - let InferOk { value: (), obligations } = infcx - .at(&cause, param_env) - .eq_structurally_relating_aliases(orig, response) - .unwrap(); - assert!(obligations.is_empty()); + let goals = infcx.eq_structurally_relating_aliases(param_env, orig, response).unwrap(); + assert!(goals.is_empty()); } } fn register_region_constraints( &mut self, - outlives: &[ty::OutlivesPredicate<'tcx, ty::GenericArg<'tcx>>], + outlives: &[ty::OutlivesPredicate], ) { for &ty::OutlivesPredicate(lhs, rhs) in outlives { - match lhs.unpack() { - GenericArgKind::Lifetime(lhs) => self.register_region_outlives(lhs, rhs), - GenericArgKind::Type(lhs) => self.register_ty_outlives(lhs, rhs), - GenericArgKind::Const(_) => bug!("const outlives: {lhs:?}: {rhs:?}"), + match lhs.kind() { + ty::GenericArgKind::Lifetime(lhs) => self.register_region_outlives(lhs, rhs), + ty::GenericArgKind::Type(lhs) => self.register_ty_outlives(lhs, rhs), + ty::GenericArgKind::Const(_) => panic!("const outlives: {lhs:?}: {rhs:?}"), } } } - fn register_new_opaque_types(&mut self, opaque_types: &[(ty::OpaqueTypeKey<'tcx>, Ty<'tcx>)]) { + fn register_new_opaque_types(&mut self, opaque_types: &[(ty::OpaqueTypeKey, I::Ty)]) { for &(key, ty) in opaque_types { - let hidden_ty = ty::OpaqueHiddenType { ty, span: DUMMY_SP }; - self.infcx.inject_new_hidden_type_unchecked(key, hidden_ty); + self.infcx.inject_new_hidden_type_unchecked(key, ty); } } } @@ -412,7 +380,7 @@ pub(in crate::solve) fn make_canonical_state( data: T, ) -> inspect::CanonicalState where - Infcx: IrSolverDelegate, + Infcx: SolverDelegate, I: Interner, T: TypeFoldable, { @@ -426,47 +394,3 @@ where state, ) } - -/// Instantiate a `CanonicalState`. -/// -/// Unlike for query responses, `CanonicalState` also track fresh inference -/// variables created while evaluating a goal. When creating two separate -/// `CanonicalState` during a single evaluation both may reference this -/// fresh inference variable. When instantiating them we now create separate -/// inference variables for it and have to unify them somehow. We do this -/// by extending the `var_values` while building the proof tree. -/// -/// This currently assumes that unifying the var values trivially succeeds. -/// Adding any inference constraints which weren't present when originally -/// computing the canonical query can result in bugs. -#[instrument(level = "trace", skip(infcx, span, param_env))] -pub(in crate::solve) fn instantiate_canonical_state<'tcx, T: TypeFoldable>>( - infcx: &InferCtxt<'tcx>, - span: Span, - param_env: ty::ParamEnv<'tcx>, - orig_values: &mut Vec>, - state: inspect::CanonicalState, T>, -) -> T { - // In case any fresh inference variables have been created between `state` - // and the previous instantiation, extend `orig_values` for it. - assert!(orig_values.len() <= state.value.var_values.len()); - for i in orig_values.len()..state.value.var_values.len() { - let unconstrained = match state.value.var_values.var_values[i].unpack() { - ty::GenericArgKind::Lifetime(_) => { - infcx.next_region_var(RegionVariableOrigin::MiscVariable(span)).into() - } - ty::GenericArgKind::Type(_) => infcx.next_ty_var(span).into(), - ty::GenericArgKind::Const(_) => infcx.next_const_var(span).into(), - }; - - orig_values.push(unconstrained); - } - - let instantiation = - EvalCtxt::compute_query_response_instantiation_values(infcx, orig_values, &state); - - let inspect::State { var_values, data } = state.instantiate(infcx.tcx, &instantiation); - - EvalCtxt::unify_query_var_values(infcx, param_env, orig_values, var_values); - data -} diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs b/compiler/rustc_next_trait_solver/src/solve/eval_ctxt/mod.rs similarity index 78% rename from compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs rename to compiler/rustc_next_trait_solver/src/solve/eval_ctxt/mod.rs index c1fca092a088..6d0fee955b93 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs +++ b/compiler/rustc_next_trait_solver/src/solve/eval_ctxt/mod.rs @@ -1,41 +1,29 @@ -use rustc_data_structures::stack::ensure_sufficient_stack; -use rustc_hir::def_id::DefId; -use rustc_infer::infer::{InferCtxt, TyCtxtInferExt}; -use rustc_infer::traits::query::NoSolution; -use rustc_infer::traits::solve::{MaybeCause, NestedNormalizationGoals}; -use rustc_infer::traits::ObligationCause; -use rustc_macros::{extension, HashStable, HashStable_NoContext, TyDecodable, TyEncodable}; -use rustc_middle::bug; -use rustc_middle::traits::solve::{ - inspect, CanonicalInput, CanonicalResponse, Certainty, PredefinedOpaquesData, QueryResult, -}; -use rustc_middle::ty::AliasRelationDirection; -use rustc_middle::ty::TypeFolder; -use rustc_middle::ty::{self, OpaqueTypeKey, Ty, TyCtxt, TypeFoldable, TypeVisitableExt}; -use rustc_next_trait_solver::infcx::SolverDelegate as IrSolverDelegate; -use rustc_span::DUMMY_SP; -use rustc_type_ir::fold::TypeSuperFoldable; -use rustc_type_ir::inherent::*; -use rustc_type_ir::relate::Relate; -use rustc_type_ir::visit::{TypeSuperVisitable, TypeVisitable, TypeVisitor}; -use rustc_type_ir::{self as ir, CanonicalVarValues, Interner}; -use rustc_type_ir_macros::{Lift_Generic, TypeFoldable_Generic, TypeVisitable_Generic}; use std::ops::ControlFlow; -use crate::solve::infcx::SolverDelegate; -use crate::traits::coherence; +use rustc_data_structures::stack::ensure_sufficient_stack; +use rustc_macros::{HashStable_NoContext, TyDecodable, TyEncodable}; +use rustc_type_ir::fold::{TypeFoldable, TypeFolder, TypeSuperFoldable}; +use rustc_type_ir::inherent::*; +use rustc_type_ir::relate::Relate; +use rustc_type_ir::visit::{TypeSuperVisitable, TypeVisitable, TypeVisitableExt, TypeVisitor}; +use rustc_type_ir::{self as ty, CanonicalVarValues, Interner}; +use rustc_type_ir_macros::{Lift_Generic, TypeFoldable_Generic, TypeVisitable_Generic}; -use super::inspect::ProofTreeBuilder; -use super::{search_graph, GoalEvaluationKind, FIXPOINT_STEP_LIMIT}; -use super::{search_graph::SearchGraph, Goal}; -use super::{GoalSource, SolverMode}; +use crate::infcx::SolverDelegate; +use crate::solve::inspect::{self, ProofTreeBuilder}; +use crate::solve::search_graph::SearchGraph; +use crate::solve::{ + search_graph, CanonicalInput, CanonicalResponse, Certainty, Goal, GoalEvaluationKind, + GoalSource, MaybeCause, NestedNormalizationGoals, NoSolution, PredefinedOpaquesData, + QueryResult, SolverMode, FIXPOINT_STEP_LIMIT, +}; pub(super) mod canonical; mod probe; -pub struct EvalCtxt<'a, Infcx, I = ::Interner> +pub struct EvalCtxt<'a, Infcx, I = ::Interner> where - Infcx: IrSolverDelegate, + Infcx: SolverDelegate, I: Interner, { /// The inference context that backs (mostly) inference and placeholder terms @@ -112,9 +100,9 @@ pub struct NestedGoals { /// /// Forgetting to replace the RHS with a fresh inference variable when we evaluate /// this goal results in an ICE.. - pub normalizes_to_goals: Vec>>, + pub normalizes_to_goals: Vec>>, /// The rest of the goals which have not yet processed or remain ambiguous. - pub goals: Vec<(GoalSource, ir::solve::Goal)>, + pub goals: Vec<(GoalSource, Goal)>, } impl NestedGoals { @@ -127,14 +115,25 @@ impl NestedGoals { } } -#[derive(PartialEq, Eq, Debug, Hash, HashStable, Clone, Copy)] +#[derive(PartialEq, Eq, Debug, Hash, HashStable_NoContext, Clone, Copy)] pub enum GenerateProofTree { Yes, No, } -#[extension(pub trait InferCtxtEvalExt<'tcx>)] -impl<'tcx> InferCtxt<'tcx> { +pub trait SolverDelegateEvalExt: SolverDelegate { + fn evaluate_root_goal( + &self, + goal: Goal::Predicate>, + generate_proof_tree: GenerateProofTree, + ) -> (Result<(bool, Certainty), NoSolution>, Option>); +} + +impl SolverDelegateEvalExt for Infcx +where + Infcx: SolverDelegate, + I: Interner, +{ /// Evaluates a goal from **outside** of the trait solver. /// /// Using this while inside of the solver is wrong as it uses a new @@ -142,17 +141,20 @@ impl<'tcx> InferCtxt<'tcx> { #[instrument(level = "debug", skip(self))] fn evaluate_root_goal( &self, - goal: Goal<'tcx, ty::Predicate<'tcx>>, + goal: Goal, generate_proof_tree: GenerateProofTree, - ) -> (Result<(bool, Certainty), NoSolution>, Option>>) - { + ) -> (Result<(bool, Certainty), NoSolution>, Option>) { EvalCtxt::enter_root(self, generate_proof_tree, |ecx| { ecx.evaluate_goal(GoalEvaluationKind::Root, GoalSource::Misc, goal) }) } } -impl<'a, 'tcx> EvalCtxt<'a, SolverDelegate<'tcx>> { +impl<'a, Infcx, I> EvalCtxt<'a, Infcx> +where + Infcx: SolverDelegate, + I: Interner, +{ pub(super) fn solver_mode(&self) -> SolverMode { self.search_graph.solver_mode() } @@ -163,17 +165,16 @@ impl<'a, 'tcx> EvalCtxt<'a, SolverDelegate<'tcx>> { /// Creates a root evaluation context and search graph. This should only be /// used from outside of any evaluation, and other methods should be preferred - /// over using this manually (such as [`InferCtxtEvalExt::evaluate_root_goal`]). + /// over using this manually (such as [`SolverDelegateEvalExt::evaluate_root_goal`]). pub(super) fn enter_root( - infcx: &InferCtxt<'tcx>, + infcx: &Infcx, generate_proof_tree: GenerateProofTree, - f: impl FnOnce(&mut EvalCtxt<'_, SolverDelegate<'tcx>>) -> R, - ) -> (R, Option>>) { - let mode = if infcx.intercrate { SolverMode::Coherence } else { SolverMode::Normal }; - let mut search_graph = search_graph::SearchGraph::new(mode); + f: impl FnOnce(&mut EvalCtxt<'_, Infcx>) -> R, + ) -> (R, Option>) { + let mut search_graph = search_graph::SearchGraph::new(infcx.solver_mode()); let mut ecx = EvalCtxt { - infcx: <&SolverDelegate<'tcx>>::from(infcx), + infcx, search_graph: &mut search_graph, nested_goals: NestedGoals::new(), inspect: ProofTreeBuilder::new_maybe_root(generate_proof_tree), @@ -181,10 +182,10 @@ impl<'a, 'tcx> EvalCtxt<'a, SolverDelegate<'tcx>> { // Only relevant when canonicalizing the response, // which we don't do within this evaluation context. predefined_opaques_in_body: infcx - .tcx + .interner() .mk_predefined_opaques_in_body(PredefinedOpaquesData::default()), max_input_universe: ty::UniverseIndex::ROOT, - variables: ty::List::empty(), + variables: Default::default(), var_values: CanonicalVarValues::dummy(), is_normalizes_to_goal: false, tainted: Ok(()), @@ -210,24 +211,17 @@ impl<'a, 'tcx> EvalCtxt<'a, SolverDelegate<'tcx>> { /// This function takes care of setting up the inference context, setting the anchor, /// and registering opaques from the canonicalized input. fn enter_canonical( - tcx: TyCtxt<'tcx>, - search_graph: &'a mut search_graph::SearchGraph>, - canonical_input: CanonicalInput<'tcx>, - canonical_goal_evaluation: &mut ProofTreeBuilder>, - f: impl FnOnce(&mut EvalCtxt<'_, SolverDelegate<'tcx>>, Goal<'tcx, ty::Predicate<'tcx>>) -> R, + tcx: I, + search_graph: &'a mut search_graph::SearchGraph, + canonical_input: CanonicalInput, + canonical_goal_evaluation: &mut ProofTreeBuilder, + f: impl FnOnce(&mut EvalCtxt<'_, Infcx>, Goal) -> R, ) -> R { - let intercrate = match search_graph.solver_mode() { - SolverMode::Normal => false, - SolverMode::Coherence => true, - }; - let (ref infcx, input, var_values) = tcx - .infer_ctxt() - .intercrate(intercrate) - .with_next_trait_solver(true) - .build_with_canonical(DUMMY_SP, &canonical_input); + let (ref infcx, input, var_values) = + SolverDelegate::build_with_canonical(tcx, search_graph.solver_mode(), &canonical_input); let mut ecx = EvalCtxt { - infcx: <&SolverDelegate<'tcx>>::from(infcx), + infcx, variables: canonical_input.variables, var_values, is_normalizes_to_goal: false, @@ -240,8 +234,7 @@ impl<'a, 'tcx> EvalCtxt<'a, SolverDelegate<'tcx>> { }; for &(key, ty) in &input.predefined_opaques_in_body.opaque_types { - let hidden_ty = ty::OpaqueHiddenType { ty, span: DUMMY_SP }; - ecx.infcx.inject_new_hidden_type_unchecked(key, hidden_ty); + ecx.infcx.inject_new_hidden_type_unchecked(key, ty); } if !ecx.nested_goals.is_empty() { @@ -256,7 +249,8 @@ impl<'a, 'tcx> EvalCtxt<'a, SolverDelegate<'tcx>> { // instead of taking them. This would cause an ICE here, since we have // assertions against dropping an `InferCtxt` without taking opaques. // FIXME: Once we remove support for the old impl we can remove this. - let _ = infcx.take_opaque_types(); + // FIXME: Could we make `build_with_canonical` into `enter_with_canonical` and call this at the end? + infcx.reset_opaque_types(); result } @@ -268,15 +262,15 @@ impl<'a, 'tcx> EvalCtxt<'a, SolverDelegate<'tcx>> { /// logic of the solver. /// /// Instead of calling this function directly, use either [EvalCtxt::evaluate_goal] - /// if you're inside of the solver or [InferCtxtEvalExt::evaluate_root_goal] if you're + /// if you're inside of the solver or [SolverDelegateEvalExt::evaluate_root_goal] if you're /// outside of it. #[instrument(level = "debug", skip(tcx, search_graph, goal_evaluation), ret)] fn evaluate_canonical_goal( - tcx: TyCtxt<'tcx>, - search_graph: &'a mut search_graph::SearchGraph>, - canonical_input: CanonicalInput<'tcx>, - goal_evaluation: &mut ProofTreeBuilder>, - ) -> QueryResult<'tcx> { + tcx: I, + search_graph: &'a mut search_graph::SearchGraph, + canonical_input: CanonicalInput, + goal_evaluation: &mut ProofTreeBuilder, + ) -> QueryResult { let mut canonical_goal_evaluation = goal_evaluation.new_canonical_goal_evaluation(canonical_input); @@ -315,7 +309,7 @@ impl<'a, 'tcx> EvalCtxt<'a, SolverDelegate<'tcx>> { &mut self, goal_evaluation_kind: GoalEvaluationKind, source: GoalSource, - goal: Goal<'tcx, ty::Predicate<'tcx>>, + goal: Goal, ) -> Result<(bool, Certainty), NoSolution> { let (normalization_nested_goals, has_changed, certainty) = self.evaluate_goal_raw(goal_evaluation_kind, source, goal)?; @@ -336,8 +330,8 @@ impl<'a, 'tcx> EvalCtxt<'a, SolverDelegate<'tcx>> { &mut self, goal_evaluation_kind: GoalEvaluationKind, _source: GoalSource, - goal: Goal<'tcx, ty::Predicate<'tcx>>, - ) -> Result<(NestedNormalizationGoals>, bool, Certainty), NoSolution> { + goal: Goal, + ) -> Result<(NestedNormalizationGoals, bool, Certainty), NoSolution> { let (orig_values, canonical_goal) = self.canonicalize_goal(goal); let mut goal_evaluation = self.inspect.new_goal_evaluation(goal, &orig_values, goal_evaluation_kind); @@ -377,10 +371,10 @@ impl<'a, 'tcx> EvalCtxt<'a, SolverDelegate<'tcx>> { fn instantiate_response_discarding_overflow( &mut self, - param_env: ty::ParamEnv<'tcx>, - original_values: Vec>, - response: CanonicalResponse<'tcx>, - ) -> (NestedNormalizationGoals>, Certainty, bool) { + param_env: I::ParamEnv, + original_values: Vec, + response: CanonicalResponse, + ) -> (NestedNormalizationGoals, Certainty, bool) { if let Certainty::Maybe(MaybeCause::Overflow { .. }) = response.value.certainty { return (NestedNormalizationGoals::empty(), response.value.certainty, false); } @@ -393,7 +387,7 @@ impl<'a, 'tcx> EvalCtxt<'a, SolverDelegate<'tcx>> { (normalization_nested_goals, certainty, has_changed) } - fn compute_goal(&mut self, goal: Goal<'tcx, ty::Predicate<'tcx>>) -> QueryResult<'tcx> { + fn compute_goal(&mut self, goal: Goal) -> QueryResult { let Goal { param_env, predicate } = goal; let kind = predicate.kind(); if let Some(kind) = kind.no_bound_vars() { @@ -429,7 +423,7 @@ impl<'a, 'tcx> EvalCtxt<'a, SolverDelegate<'tcx>> { self.compute_const_evaluatable_goal(Goal { param_env, predicate: ct }) } ty::PredicateKind::ConstEquate(_, _) => { - bug!("ConstEquate should not be emitted when `-Znext-solver` is active") + panic!("ConstEquate should not be emitted when `-Znext-solver` is active") } ty::PredicateKind::NormalizesTo(predicate) => { self.compute_normalizes_to_goal(Goal { param_env, predicate }) @@ -565,21 +559,16 @@ impl<'a, 'tcx> EvalCtxt<'a, SolverDelegate<'tcx>> { } /// Record impl args in the proof tree for later access by `InspectCandidate`. - pub(crate) fn record_impl_args(&mut self, impl_args: ty::GenericArgsRef<'tcx>) { + pub(crate) fn record_impl_args(&mut self, impl_args: I::GenericArgs) { self.inspect.record_impl_args(self.infcx, self.max_input_universe, impl_args) } -} -impl, I: Interner> EvalCtxt<'_, Infcx> { pub(super) fn interner(&self) -> I { self.infcx.interner() } #[instrument(level = "trace", skip(self))] - pub(super) fn add_normalizes_to_goal( - &mut self, - mut goal: ir::solve::Goal>, - ) { + pub(super) fn add_normalizes_to_goal(&mut self, mut goal: Goal>) { goal.predicate = goal .predicate .fold_with(&mut ReplaceAliasWithInfer { ecx: self, param_env: goal.param_env }); @@ -588,11 +577,7 @@ impl, I: Interner> EvalCtxt<'_, Infcx> { } #[instrument(level = "debug", skip(self))] - pub(super) fn add_goal( - &mut self, - source: GoalSource, - mut goal: ir::solve::Goal, - ) { + pub(super) fn add_goal(&mut self, source: GoalSource, mut goal: Goal) { goal.predicate = goal .predicate .fold_with(&mut ReplaceAliasWithInfer { ecx: self, param_env: goal.param_env }); @@ -604,7 +589,7 @@ impl, I: Interner> EvalCtxt<'_, Infcx> { pub(super) fn add_goals( &mut self, source: GoalSource, - goals: impl IntoIterator>, + goals: impl IntoIterator>, ) { for goal in goals { self.add_goal(source, goal); @@ -627,8 +612,8 @@ impl, I: Interner> EvalCtxt<'_, Infcx> { /// If `kind` is an integer inference variable this will still return a ty infer var. pub(super) fn next_term_infer_of_kind(&mut self, kind: I::Term) -> I::Term { match kind.kind() { - ir::TermKind::Ty(_) => self.next_ty_infer().into(), - ir::TermKind::Const(_) => self.next_const_infer().into(), + ty::TermKind::Ty(_) => self.next_ty_infer().into(), + ty::TermKind::Const(_) => self.next_const_infer().into(), } } @@ -637,20 +622,17 @@ impl, I: Interner> EvalCtxt<'_, Infcx> { /// This is the case if the `term` does not occur in any other part of the predicate /// and is able to name all other placeholder and inference variables. #[instrument(level = "trace", skip(self), ret)] - pub(super) fn term_is_fully_unconstrained( - &self, - goal: ir::solve::Goal>, - ) -> bool { + pub(super) fn term_is_fully_unconstrained(&self, goal: Goal>) -> bool { let universe_of_term = match goal.predicate.term.kind() { - ir::TermKind::Ty(ty) => { - if let ir::Infer(ir::TyVar(vid)) = ty.kind() { + ty::TermKind::Ty(ty) => { + if let ty::Infer(ty::TyVar(vid)) = ty.kind() { self.infcx.universe_of_ty(vid).unwrap() } else { return false; } } - ir::TermKind::Const(ct) => { - if let ir::ConstKind::Infer(ir::InferConst::Var(vid)) = ct.kind() { + ty::TermKind::Const(ct) => { + if let ty::ConstKind::Infer(ty::InferConst::Var(vid)) = ct.kind() { self.infcx.universe_of_ct(vid).unwrap() } else { return false; @@ -658,14 +640,14 @@ impl, I: Interner> EvalCtxt<'_, Infcx> { } }; - struct ContainsTermOrNotNameable<'a, Infcx: IrSolverDelegate, I: Interner> { + struct ContainsTermOrNotNameable<'a, Infcx: SolverDelegate, I: Interner> { term: I::Term, - universe_of_term: ir::UniverseIndex, + universe_of_term: ty::UniverseIndex, infcx: &'a Infcx, } - impl, I: Interner> ContainsTermOrNotNameable<'_, Infcx, I> { - fn check_nameable(&self, universe: ir::UniverseIndex) -> ControlFlow<()> { + impl, I: Interner> ContainsTermOrNotNameable<'_, Infcx, I> { + fn check_nameable(&self, universe: ty::UniverseIndex) -> ControlFlow<()> { if self.universe_of_term.can_name(universe) { ControlFlow::Continue(()) } else { @@ -674,15 +656,15 @@ impl, I: Interner> EvalCtxt<'_, Infcx> { } } - impl, I: Interner> TypeVisitor + impl, I: Interner> TypeVisitor for ContainsTermOrNotNameable<'_, Infcx, I> { type Result = ControlFlow<()>; fn visit_ty(&mut self, t: I::Ty) -> Self::Result { match t.kind() { - ir::Infer(ir::TyVar(vid)) => { - if let ir::TermKind::Ty(term) = self.term.kind() - && let ir::Infer(ir::TyVar(term_vid)) = term.kind() + ty::Infer(ty::TyVar(vid)) => { + if let ty::TermKind::Ty(term) = self.term.kind() + && let ty::Infer(ty::TyVar(term_vid)) = term.kind() && self.infcx.root_ty_var(vid) == self.infcx.root_ty_var(term_vid) { ControlFlow::Break(()) @@ -690,7 +672,7 @@ impl, I: Interner> EvalCtxt<'_, Infcx> { self.check_nameable(self.infcx.universe_of_ty(vid).unwrap()) } } - ir::Placeholder(p) => self.check_nameable(p.universe()), + ty::Placeholder(p) => self.check_nameable(p.universe()), _ => { if t.has_non_region_infer() || t.has_placeholders() { t.super_visit_with(self) @@ -703,9 +685,9 @@ impl, I: Interner> EvalCtxt<'_, Infcx> { fn visit_const(&mut self, c: I::Const) -> Self::Result { match c.kind() { - ir::ConstKind::Infer(ir::InferConst::Var(vid)) => { - if let ir::TermKind::Const(term) = self.term.kind() - && let ir::ConstKind::Infer(ir::InferConst::Var(term_vid)) = term.kind() + ty::ConstKind::Infer(ty::InferConst::Var(vid)) => { + if let ty::TermKind::Const(term) = self.term.kind() + && let ty::ConstKind::Infer(ty::InferConst::Var(term_vid)) = term.kind() && self.infcx.root_const_var(vid) == self.infcx.root_const_var(term_vid) { ControlFlow::Break(()) @@ -713,7 +695,7 @@ impl, I: Interner> EvalCtxt<'_, Infcx> { self.check_nameable(self.infcx.universe_of_ct(vid).unwrap()) } } - ir::ConstKind::Placeholder(p) => self.check_nameable(p.universe()), + ty::ConstKind::Placeholder(p) => self.check_nameable(p.universe()), _ => { if c.has_non_region_infer() || c.has_placeholders() { c.super_visit_with(self) @@ -741,7 +723,7 @@ impl, I: Interner> EvalCtxt<'_, Infcx> { lhs: T, rhs: T, ) -> Result<(), NoSolution> { - self.relate(param_env, lhs, ir::Variance::Invariant, rhs) + self.relate(param_env, lhs, ty::Variance::Invariant, rhs) } /// This should be used when relating a rigid alias with another type. @@ -753,8 +735,8 @@ impl, I: Interner> EvalCtxt<'_, Infcx> { pub(super) fn relate_rigid_alias_non_alias( &mut self, param_env: I::ParamEnv, - alias: ir::AliasTerm, - variance: ir::Variance, + alias: ty::AliasTerm, + variance: ty::Variance, term: I::Term, ) -> Result<(), NoSolution> { // NOTE: this check is purely an optimization, the structural eq would @@ -770,7 +752,7 @@ impl, I: Interner> EvalCtxt<'_, Infcx> { // Alternatively we could modify `Equate` for this case by adding another // variant to `StructurallyRelateAliases`. let identity_args = self.fresh_args_for_item(alias.def_id); - let rigid_ctor = ir::AliasTerm::new(tcx, alias.def_id, identity_args); + let rigid_ctor = ty::AliasTerm::new(tcx, alias.def_id, identity_args); let ctor_term = rigid_ctor.to_term(tcx); let obligations = self.infcx.eq_structurally_relating_aliases(param_env, term, ctor_term)?; @@ -803,7 +785,7 @@ impl, I: Interner> EvalCtxt<'_, Infcx> { sub: T, sup: T, ) -> Result<(), NoSolution> { - self.relate(param_env, sub, ir::Variance::Covariant, sup) + self.relate(param_env, sub, ty::Variance::Covariant, sup) } #[instrument(level = "trace", skip(self, param_env), ret)] @@ -811,7 +793,7 @@ impl, I: Interner> EvalCtxt<'_, Infcx> { &mut self, param_env: I::ParamEnv, lhs: T, - variance: ir::Variance, + variance: ty::Variance, rhs: T, ) -> Result<(), NoSolution> { let goals = self.infcx.relate(param_env, lhs, variance, rhs)?; @@ -830,20 +812,20 @@ impl, I: Interner> EvalCtxt<'_, Infcx> { param_env: I::ParamEnv, lhs: T, rhs: T, - ) -> Result>, NoSolution> { - self.infcx.relate(param_env, lhs, ir::Variance::Invariant, rhs) + ) -> Result>, NoSolution> { + self.infcx.relate(param_env, lhs, ty::Variance::Invariant, rhs) } pub(super) fn instantiate_binder_with_infer + Copy>( &self, - value: ir::Binder, + value: ty::Binder, ) -> T { self.infcx.instantiate_binder_with_infer(value) } pub(super) fn enter_forall + Copy, U>( &self, - value: ir::Binder, + value: ty::Binder, f: impl FnOnce(T) -> U, ) -> U { self.infcx.enter_forall(value, f) @@ -863,36 +845,29 @@ impl, I: Interner> EvalCtxt<'_, Infcx> { } args } -} -impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { - pub(super) fn register_ty_outlives(&self, ty: Ty<'tcx>, lt: ty::Region<'tcx>) { - self.infcx.register_region_obligation_with_cause(ty, lt, &ObligationCause::dummy()); + pub(super) fn register_ty_outlives(&self, ty: I::Ty, lt: I::Region) { + self.infcx.register_ty_outlives(ty, lt); } - pub(super) fn register_region_outlives(&self, a: ty::Region<'tcx>, b: ty::Region<'tcx>) { + pub(super) fn register_region_outlives(&self, a: I::Region, b: I::Region) { // `b : a` ==> `a <= b` - // (inlined from `InferCtxt::region_outlives_predicate`) - self.infcx.sub_regions( - rustc_infer::infer::SubregionOrigin::RelateRegionParamBound(DUMMY_SP), - b, - a, - ); + self.infcx.sub_regions(b, a); } /// Computes the list of goals required for `arg` to be well-formed pub(super) fn well_formed_goals( &self, - param_env: ty::ParamEnv<'tcx>, - arg: ty::GenericArg<'tcx>, - ) -> Option>>> { - crate::traits::wf::unnormalized_obligations(self.infcx, param_env, arg) - .map(|obligations| obligations.into_iter().map(|obligation| obligation.into())) + param_env: I::ParamEnv, + arg: I::GenericArg, + ) -> Option>> { + self.infcx.well_formed_goals(param_env, arg) } + /* pub(super) fn is_transmutable( &self, - src_and_dst: rustc_transmute::Types<'tcx>, + src_and_dst: rustc_transmute::Types, assume: rustc_transmute::Assume, ) -> Result { use rustc_transmute::Answer; @@ -906,46 +881,55 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { Answer::No(_) | Answer::If(_) => Err(NoSolution), } } + */ pub(super) fn trait_ref_is_knowable( &mut self, - param_env: ty::ParamEnv<'tcx>, - trait_ref: ty::TraitRef<'tcx>, + param_env: I::ParamEnv, + trait_ref: ty::TraitRef, ) -> Result { let infcx = self.infcx; let lazily_normalize_ty = |ty| self.structurally_normalize_ty(param_env, ty); - coherence::trait_ref_is_knowable(infcx, trait_ref, lazily_normalize_ty) - .map(|is_knowable| is_knowable.is_ok()) + infcx.trait_ref_is_knowable(trait_ref, lazily_normalize_ty) } - pub(super) fn can_define_opaque_ty(&self, def_id: impl Into) -> bool { - self.infcx.can_define_opaque_ty(def_id) + pub(super) fn fetch_eligible_assoc_item( + &self, + param_env: I::ParamEnv, + goal_trait_ref: ty::TraitRef, + trait_assoc_def_id: I::DefId, + impl_def_id: I::DefId, + ) -> Result, NoSolution> { + self.infcx.fetch_eligible_assoc_item( + param_env, + goal_trait_ref, + trait_assoc_def_id, + impl_def_id, + ) + } + + pub(super) fn can_define_opaque_ty(&self, def_id: I::LocalDefId) -> bool { + self.infcx.defining_opaque_types().contains(&def_id) } pub(super) fn insert_hidden_type( &mut self, - opaque_type_key: OpaqueTypeKey<'tcx>, - param_env: ty::ParamEnv<'tcx>, - hidden_ty: Ty<'tcx>, + opaque_type_key: ty::OpaqueTypeKey, + param_env: I::ParamEnv, + hidden_ty: I::Ty, ) -> Result<(), NoSolution> { let mut goals = Vec::new(); - self.infcx.insert_hidden_type( - opaque_type_key, - DUMMY_SP, - param_env, - hidden_ty, - &mut goals, - )?; + self.infcx.insert_hidden_type(opaque_type_key, param_env, hidden_ty, &mut goals)?; self.add_goals(GoalSource::Misc, goals); Ok(()) } pub(super) fn add_item_bounds_for_hidden_type( &mut self, - opaque_def_id: DefId, - opaque_args: ty::GenericArgsRef<'tcx>, - param_env: ty::ParamEnv<'tcx>, - hidden_ty: Ty<'tcx>, + opaque_def_id: I::DefId, + opaque_args: I::GenericArgs, + param_env: I::ParamEnv, + hidden_ty: I::Ty, ) { let mut goals = Vec::new(); self.infcx.add_item_bounds_for_hidden_type( @@ -962,10 +946,10 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { // current inference context. pub(super) fn unify_existing_opaque_tys( &mut self, - param_env: ty::ParamEnv<'tcx>, - key: ty::OpaqueTypeKey<'tcx>, - ty: Ty<'tcx>, - ) -> Vec> { + param_env: I::ParamEnv, + key: ty::OpaqueTypeKey, + ty: I::Ty, + ) -> Vec> { // FIXME: Super inefficient to be cloning this... let opaques = self.infcx.clone_opaque_types_for_query_response(); @@ -984,7 +968,7 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { } ecx.eq(param_env, candidate_ty, ty)?; ecx.add_item_bounds_for_hidden_type( - candidate_key.def_id.to_def_id(), + candidate_key.def_id.into(), candidate_key.args, param_env, candidate_ty, @@ -1001,23 +985,10 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { // as an ambiguity rather than no-solution. pub(super) fn try_const_eval_resolve( &self, - param_env: ty::ParamEnv<'tcx>, - unevaluated: ty::UnevaluatedConst<'tcx>, - ) -> Option> { - use rustc_middle::mir::interpret::ErrorHandled; - match self.infcx.const_eval_resolve(param_env, unevaluated, DUMMY_SP) { - Ok(Some(val)) => Some(ty::Const::new_value( - self.interner(), - val, - self.interner() - .type_of(unevaluated.def) - .instantiate(self.interner(), unevaluated.args), - )), - Ok(None) | Err(ErrorHandled::TooGeneric(_)) => None, - Err(ErrorHandled::Reported(e, _)) => { - Some(ty::Const::new_error(self.interner(), e.into())) - } - } + param_env: I::ParamEnv, + unevaluated: ty::UnevaluatedConst, + ) -> Option { + self.infcx.try_const_eval_resolve(param_env, unevaluated) } } @@ -1030,7 +1001,7 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { /// solving. See tests/ui/traits/next-solver/cycles/cycle-modulo-ambig-aliases.rs. struct ReplaceAliasWithInfer<'me, 'a, Infcx, I> where - Infcx: IrSolverDelegate, + Infcx: SolverDelegate, I: Interner, { ecx: &'me mut EvalCtxt<'a, Infcx>, @@ -1039,7 +1010,7 @@ where impl TypeFolder for ReplaceAliasWithInfer<'_, '_, Infcx, I> where - Infcx: IrSolverDelegate, + Infcx: SolverDelegate, I: Interner, { fn interner(&self) -> I { @@ -1048,16 +1019,16 @@ where fn fold_ty(&mut self, ty: I::Ty) -> I::Ty { match ty.kind() { - ir::Alias(..) if !ty.has_escaping_bound_vars() => { + ty::Alias(..) if !ty.has_escaping_bound_vars() => { let infer_ty = self.ecx.next_ty_infer(); - let normalizes_to = ir::PredicateKind::AliasRelate( + let normalizes_to = ty::PredicateKind::AliasRelate( ty.into(), infer_ty.into(), - AliasRelationDirection::Equate, + ty::AliasRelationDirection::Equate, ); self.ecx.add_goal( GoalSource::Misc, - ir::solve::Goal::new(self.interner(), self.param_env, normalizes_to), + Goal::new(self.interner(), self.param_env, normalizes_to), ); infer_ty } @@ -1067,16 +1038,16 @@ where fn fold_const(&mut self, ct: I::Const) -> I::Const { match ct.kind() { - ir::ConstKind::Unevaluated(..) if !ct.has_escaping_bound_vars() => { + ty::ConstKind::Unevaluated(..) if !ct.has_escaping_bound_vars() => { let infer_ct = self.ecx.next_const_infer(); - let normalizes_to = ir::PredicateKind::AliasRelate( + let normalizes_to = ty::PredicateKind::AliasRelate( ct.into(), infer_ct.into(), - AliasRelationDirection::Equate, + ty::AliasRelationDirection::Equate, ); self.ecx.add_goal( GoalSource::Misc, - ir::solve::Goal::new(self.interner(), self.param_env, normalizes_to), + Goal::new(self.interner(), self.param_env, normalizes_to), ); infer_ct } diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/probe.rs b/compiler/rustc_next_trait_solver/src/solve/eval_ctxt/probe.rs similarity index 95% rename from compiler/rustc_trait_selection/src/solve/eval_ctxt/probe.rs rename to compiler/rustc_next_trait_solver/src/solve/eval_ctxt/probe.rs index 00fe237735b6..31edb6354156 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/probe.rs +++ b/compiler/rustc_next_trait_solver/src/solve/eval_ctxt/probe.rs @@ -1,13 +1,12 @@ -use crate::solve::assembly::Candidate; - -use super::EvalCtxt; -use rustc_next_trait_solver::infcx::SolverDelegate; -use rustc_next_trait_solver::solve::{ - inspect, BuiltinImplSource, CandidateSource, NoSolution, QueryResult, -}; -use rustc_type_ir::Interner; use std::marker::PhantomData; +use rustc_type_ir::Interner; + +use crate::infcx::SolverDelegate; +use crate::solve::assembly::Candidate; +use crate::solve::inspect; +use crate::solve::{BuiltinImplSource, CandidateSource, EvalCtxt, NoSolution, QueryResult}; + pub(in crate::solve) struct ProbeCtxt<'me, 'a, Infcx, I, F, T> where Infcx: SolverDelegate, diff --git a/compiler/rustc_trait_selection/src/solve/inspect/build.rs b/compiler/rustc_next_trait_solver/src/solve/inspect/build.rs similarity index 96% rename from compiler/rustc_trait_selection/src/solve/inspect/build.rs rename to compiler/rustc_next_trait_solver/src/solve/inspect/build.rs index d750cd963de7..5fbec4b28d43 100644 --- a/compiler/rustc_trait_selection/src/solve/inspect/build.rs +++ b/compiler/rustc_next_trait_solver/src/solve/inspect/build.rs @@ -3,18 +3,20 @@ //! This code is *a bit* of a mess and can hopefully be //! mostly ignored. For a general overview of how it works, //! see the comment on [ProofTreeBuilder]. + use std::marker::PhantomData; use std::mem; -use crate::solve::eval_ctxt::canonical; -use crate::solve::{self, inspect, GenerateProofTree}; -use rustc_middle::bug; -use rustc_next_trait_solver::infcx::SolverDelegate; -use rustc_next_trait_solver::solve::{ - CanonicalInput, Certainty, Goal, GoalSource, QueryInput, QueryResult, -}; use rustc_type_ir::{self as ty, Interner}; +use crate::infcx::SolverDelegate; +use crate::solve::eval_ctxt::canonical; +use crate::solve::inspect; +use crate::solve::{ + CanonicalInput, Certainty, GenerateProofTree, Goal, GoalEvaluationKind, GoalSource, QueryInput, + QueryResult, +}; + /// The core data structure when building proof trees. /// /// In case the current evaluation does not generate a proof @@ -171,7 +173,7 @@ impl WipCanonicalGoalEvaluationStep { for _ in 0..self.probe_depth { match current.steps.last_mut() { Some(WipProbeStep::NestedProbe(p)) => current = p, - _ => bug!(), + _ => panic!(), } } current @@ -294,15 +296,15 @@ impl, I: Interner> ProofTreeBuilder { &mut self, goal: Goal, orig_values: &[I::GenericArg], - kind: solve::GoalEvaluationKind, + kind: GoalEvaluationKind, ) -> ProofTreeBuilder { self.opt_nested(|| match kind { - solve::GoalEvaluationKind::Root => Some(WipGoalEvaluation { + GoalEvaluationKind::Root => Some(WipGoalEvaluation { uncanonicalized_goal: goal, orig_values: orig_values.to_vec(), evaluation: None, }), - solve::GoalEvaluationKind::Nested => None, + GoalEvaluationKind::Nested => None, }) } @@ -414,7 +416,7 @@ impl, I: Interner> ProofTreeBuilder { Some(DebugSolver::CanonicalGoalEvaluationStep(state)) => { state.var_values.push(arg.into()); } - Some(s) => bug!("tried to add var values to {s:?}"), + Some(s) => panic!("tried to add var values to {s:?}"), } } @@ -431,7 +433,7 @@ impl, I: Interner> ProofTreeBuilder { })); state.probe_depth += 1; } - Some(s) => bug!("tried to start probe to {s:?}"), + Some(s) => panic!("tried to start probe to {s:?}"), } } @@ -442,7 +444,7 @@ impl, I: Interner> ProofTreeBuilder { let prev = state.current_evaluation_scope().kind.replace(probe_kind); assert_eq!(prev, None); } - _ => bug!(), + _ => panic!(), } } @@ -459,7 +461,7 @@ impl, I: Interner> ProofTreeBuilder { let prev = state.current_evaluation_scope().final_state.replace(final_state); assert_eq!(prev, None); } - _ => bug!(), + _ => panic!(), } } @@ -495,7 +497,7 @@ impl, I: Interner> ProofTreeBuilder { ); state.current_evaluation_scope().steps.push(WipProbeStep::AddGoal(source, goal)) } - _ => bug!(), + _ => panic!(), } } @@ -519,7 +521,7 @@ impl, I: Interner> ProofTreeBuilder { .push(WipProbeStep::RecordImplArgs { impl_args }); } None => {} - _ => bug!(), + _ => panic!(), } } @@ -532,7 +534,7 @@ impl, I: Interner> ProofTreeBuilder { .push(WipProbeStep::MakeCanonicalResponse { shallow_certainty }); } None => {} - _ => bug!(), + _ => panic!(), } } @@ -545,7 +547,7 @@ impl, I: Interner> ProofTreeBuilder { state.var_values.truncate(num_var_values); state.probe_depth -= 1; } - _ => bug!(), + _ => panic!(), } self diff --git a/compiler/rustc_next_trait_solver/src/solve/inspect/mod.rs b/compiler/rustc_next_trait_solver/src/solve/inspect/mod.rs new file mode 100644 index 000000000000..65f32f1947fe --- /dev/null +++ b/compiler/rustc_next_trait_solver/src/solve/inspect/mod.rs @@ -0,0 +1,4 @@ +pub use rustc_type_ir::solve::inspect::*; + +mod build; +pub(in crate::solve) use build::*; diff --git a/compiler/rustc_trait_selection/src/solve/mod.rs b/compiler/rustc_next_trait_solver/src/solve/mod.rs similarity index 75% rename from compiler/rustc_trait_selection/src/solve/mod.rs rename to compiler/rustc_next_trait_solver/src/solve/mod.rs index 3b43c0e3e70e..6c05394504fa 100644 --- a/compiler/rustc_trait_selection/src/solve/mod.rs +++ b/compiler/rustc_next_trait_solver/src/solve/mod.rs @@ -14,40 +14,22 @@ //! FIXME(@lcnr): Write that section. If you read this before then ask me //! about it on zulip. -use self::infcx::SolverDelegate; -use rustc_hir::def_id::DefId; -use rustc_infer::infer::canonical::Canonical; -use rustc_infer::traits::query::NoSolution; -use rustc_macros::extension; -use rustc_middle::bug; -use rustc_middle::traits::solve::{ - CanonicalResponse, Certainty, ExternalConstraintsData, Goal, GoalSource, QueryResult, Response, -}; -use rustc_middle::ty::{ - self, AliasRelationDirection, CoercePredicate, RegionOutlivesPredicate, SubtypePredicate, Ty, - TyCtxt, TypeOutlivesPredicate, UniverseIndex, -}; -use rustc_type_ir::solve::SolverMode; -use rustc_type_ir::{self as ir, Interner}; - mod alias_relate; mod assembly; mod eval_ctxt; -mod fulfill; -mod infcx; pub mod inspect; -mod normalize; mod normalizes_to; mod project_goals; mod search_graph; -mod select; mod trait_goals; -pub use eval_ctxt::{EvalCtxt, GenerateProofTree, InferCtxtEvalExt}; -pub use fulfill::{FulfillmentCtxt, NextSolverError}; -pub(crate) use normalize::deeply_normalize_for_diagnostics; -pub use normalize::{deeply_normalize, deeply_normalize_with_skipped_universes}; -pub use select::InferCtxtSelectExt; +pub use self::eval_ctxt::{EvalCtxt, GenerateProofTree, SolverDelegateEvalExt}; +pub use rustc_type_ir::solve::*; + +use rustc_type_ir::inherent::*; +use rustc_type_ir::{self as ty, Interner}; + +use crate::infcx::SolverDelegate; /// How many fixpoint iterations we should attempt inside of the solver before bailing /// with overflow. @@ -66,21 +48,24 @@ enum GoalEvaluationKind { Nested, } -#[extension(trait CanonicalResponseExt)] -impl<'tcx> Canonical<'tcx, Response>> { - fn has_no_inference_or_external_constraints(&self) -> bool { - self.value.external_constraints.region_constraints.is_empty() - && self.value.var_values.is_identity() - && self.value.external_constraints.opaque_types.is_empty() - } +fn has_no_inference_or_external_constraints( + response: ty::Canonical>, +) -> bool { + response.value.external_constraints.region_constraints.is_empty() + && response.value.var_values.is_identity() + && response.value.external_constraints.opaque_types.is_empty() } -impl<'a, 'tcx> EvalCtxt<'a, SolverDelegate<'tcx>> { +impl<'a, Infcx, I> EvalCtxt<'a, Infcx> +where + Infcx: SolverDelegate, + I: Interner, +{ #[instrument(level = "trace", skip(self))] fn compute_type_outlives_goal( &mut self, - goal: Goal<'tcx, TypeOutlivesPredicate<'tcx>>, - ) -> QueryResult<'tcx> { + goal: Goal>, + ) -> QueryResult { let ty::OutlivesPredicate(ty, lt) = goal.predicate; self.register_ty_outlives(ty, lt); self.evaluate_added_goals_and_make_canonical_response(Certainty::Yes) @@ -89,21 +74,18 @@ impl<'a, 'tcx> EvalCtxt<'a, SolverDelegate<'tcx>> { #[instrument(level = "trace", skip(self))] fn compute_region_outlives_goal( &mut self, - goal: Goal<'tcx, RegionOutlivesPredicate<'tcx>>, - ) -> QueryResult<'tcx> { + goal: Goal>, + ) -> QueryResult { let ty::OutlivesPredicate(a, b) = goal.predicate; self.register_region_outlives(a, b); self.evaluate_added_goals_and_make_canonical_response(Certainty::Yes) } #[instrument(level = "trace", skip(self))] - fn compute_coerce_goal( - &mut self, - goal: Goal<'tcx, CoercePredicate<'tcx>>, - ) -> QueryResult<'tcx> { + fn compute_coerce_goal(&mut self, goal: Goal>) -> QueryResult { self.compute_subtype_goal(Goal { param_env: goal.param_env, - predicate: SubtypePredicate { + predicate: ty::SubtypePredicate { a_is_expected: false, a: goal.predicate.a, b: goal.predicate.b, @@ -112,10 +94,7 @@ impl<'a, 'tcx> EvalCtxt<'a, SolverDelegate<'tcx>> { } #[instrument(level = "trace", skip(self))] - fn compute_subtype_goal( - &mut self, - goal: Goal<'tcx, SubtypePredicate<'tcx>>, - ) -> QueryResult<'tcx> { + fn compute_subtype_goal(&mut self, goal: Goal>) -> QueryResult { if goal.predicate.a.is_ty_var() && goal.predicate.b.is_ty_var() { self.evaluate_added_goals_and_make_canonical_response(Certainty::AMBIGUOUS) } else { @@ -124,8 +103,8 @@ impl<'a, 'tcx> EvalCtxt<'a, SolverDelegate<'tcx>> { } } - fn compute_object_safe_goal(&mut self, trait_def_id: DefId) -> QueryResult<'tcx> { - if self.interner().is_object_safe(trait_def_id) { + fn compute_object_safe_goal(&mut self, trait_def_id: I::DefId) -> QueryResult { + if self.interner().trait_is_object_safe(trait_def_id) { self.evaluate_added_goals_and_make_canonical_response(Certainty::Yes) } else { Err(NoSolution) @@ -133,10 +112,7 @@ impl<'a, 'tcx> EvalCtxt<'a, SolverDelegate<'tcx>> { } #[instrument(level = "trace", skip(self))] - fn compute_well_formed_goal( - &mut self, - goal: Goal<'tcx, ty::GenericArg<'tcx>>, - ) -> QueryResult<'tcx> { + fn compute_well_formed_goal(&mut self, goal: Goal) -> QueryResult { match self.well_formed_goals(goal.param_env, goal.predicate) { Some(goals) => { self.add_goals(GoalSource::Misc, goals); @@ -149,8 +125,8 @@ impl<'a, 'tcx> EvalCtxt<'a, SolverDelegate<'tcx>> { #[instrument(level = "trace", skip(self))] fn compute_const_evaluatable_goal( &mut self, - Goal { param_env, predicate: ct }: Goal<'tcx, ty::Const<'tcx>>, - ) -> QueryResult<'tcx> { + Goal { param_env, predicate: ct }: Goal, + ) -> QueryResult { match ct.kind() { ty::ConstKind::Unevaluated(uv) => { // We never return `NoSolution` here as `try_const_eval_resolve` emits an @@ -180,7 +156,7 @@ impl<'a, 'tcx> EvalCtxt<'a, SolverDelegate<'tcx>> { // - `Bound` cannot exist as we don't have a binder around the self Type // - `Expr` is part of `feature(generic_const_exprs)` and is not implemented yet ty::ConstKind::Param(_) | ty::ConstKind::Bound(_, _) | ty::ConstKind::Expr(_) => { - bug!("unexpect const kind: {:?}", ct) + panic!("unexpect const kind: {:?}", ct) } } } @@ -188,8 +164,8 @@ impl<'a, 'tcx> EvalCtxt<'a, SolverDelegate<'tcx>> { #[instrument(level = "trace", skip(self), ret)] fn compute_const_arg_has_type_goal( &mut self, - goal: Goal<'tcx, (ty::Const<'tcx>, Ty<'tcx>)>, - ) -> QueryResult<'tcx> { + goal: Goal, + ) -> QueryResult { let (ct, ty) = goal.predicate; let ct_ty = match ct.kind() { @@ -206,7 +182,7 @@ impl<'a, 'tcx> EvalCtxt<'a, SolverDelegate<'tcx>> { return self.evaluate_added_goals_and_make_canonical_response(Certainty::Yes); } ty::ConstKind::Unevaluated(uv) => { - self.interner().type_of(uv.def).instantiate(self.interner(), uv.args) + self.interner().type_of(uv.def).instantiate(self.interner(), &uv.args) } ty::ConstKind::Expr(_) => unimplemented!( "`feature(generic_const_exprs)` is not supported in the new trait solver" @@ -214,10 +190,10 @@ impl<'a, 'tcx> EvalCtxt<'a, SolverDelegate<'tcx>> { ty::ConstKind::Param(_) => { unreachable!("`ConstKind::Param` should have been canonicalized to `Placeholder`") } - ty::ConstKind::Bound(_, _) => bug!("escaping bound vars in {:?}", ct), + ty::ConstKind::Bound(_, _) => panic!("escaping bound vars in {:?}", ct), ty::ConstKind::Value(ty, _) => ty, ty::ConstKind::Placeholder(placeholder) => { - placeholder.find_const_ty_from_env(goal.param_env) + self.interner().find_const_ty_from_env(goal.param_env, placeholder) } }; @@ -226,15 +202,19 @@ impl<'a, 'tcx> EvalCtxt<'a, SolverDelegate<'tcx>> { } } -impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { +impl EvalCtxt<'_, Infcx> +where + Infcx: SolverDelegate, + I: Interner, +{ /// Try to merge multiple possible ways to prove a goal, if that is not possible returns `None`. /// /// In this case we tend to flounder and return ambiguity by calling `[EvalCtxt::flounder]`. #[instrument(level = "trace", skip(self), ret)] fn try_merge_responses( &mut self, - responses: &[CanonicalResponse<'tcx>], - ) -> Option> { + responses: &[CanonicalResponse], + ) -> Option> { if responses.is_empty() { return None; } @@ -250,14 +230,14 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { .iter() .find(|response| { response.value.certainty == Certainty::Yes - && response.has_no_inference_or_external_constraints() + && has_no_inference_or_external_constraints(**response) }) .copied() } /// If we fail to merge responses we flounder and return overflow or ambiguity. #[instrument(level = "trace", skip(self), ret)] - fn flounder(&mut self, responses: &[CanonicalResponse<'tcx>]) -> QueryResult<'tcx> { + fn flounder(&mut self, responses: &[CanonicalResponse]) -> QueryResult { if responses.is_empty() { return Err(NoSolution); } @@ -267,7 +247,7 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { certainty.unify_with(response.value.certainty) }) else { - bug!("expected flounder response to be ambiguous") + panic!("expected flounder response to be ambiguous") }; Ok(self.make_ambiguous_response_no_constraints(maybe_cause)) @@ -281,9 +261,9 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { #[instrument(level = "trace", skip(self, param_env), ret)] fn structurally_normalize_ty( &mut self, - param_env: ty::ParamEnv<'tcx>, - ty: Ty<'tcx>, - ) -> Result, NoSolution> { + param_env: I::ParamEnv, + ty: I::Ty, + ) -> Result { if let ty::Alias(..) = ty.kind() { let normalized_ty = self.next_ty_infer(); let alias_relate_goal = Goal::new( @@ -292,7 +272,7 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { ty::PredicateKind::AliasRelate( ty.into(), normalized_ty.into(), - AliasRelationDirection::Equate, + ty::AliasRelationDirection::Equate, ), ); self.add_goal(GoalSource::Misc, alias_relate_goal); @@ -306,15 +286,15 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { fn response_no_constraints_raw( tcx: I, - max_universe: UniverseIndex, + max_universe: ty::UniverseIndex, variables: I::CanonicalVars, certainty: Certainty, -) -> ir::solve::CanonicalResponse { - ir::Canonical { +) -> CanonicalResponse { + ty::Canonical { max_universe, variables, value: Response { - var_values: ir::CanonicalVarValues::make_identity(tcx, variables), + var_values: ty::CanonicalVarValues::make_identity(tcx, variables), // FIXME: maybe we should store the "no response" version in tcx, like // we do for tcx.types and stuff. external_constraints: tcx.mk_external_constraints(ExternalConstraintsData::default()), diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/anon_const.rs b/compiler/rustc_next_trait_solver/src/solve/normalizes_to/anon_const.rs similarity index 66% rename from compiler/rustc_trait_selection/src/solve/normalizes_to/anon_const.rs rename to compiler/rustc_next_trait_solver/src/solve/normalizes_to/anon_const.rs index 064018e89b82..9f1917fde845 100644 --- a/compiler/rustc_trait_selection/src/solve/normalizes_to/anon_const.rs +++ b/compiler/rustc_next_trait_solver/src/solve/normalizes_to/anon_const.rs @@ -1,14 +1,18 @@ -use crate::solve::infcx::SolverDelegate; -use crate::solve::EvalCtxt; -use rustc_middle::traits::solve::{Certainty, Goal, QueryResult}; -use rustc_middle::ty; +use rustc_type_ir::{self as ty, Interner}; -impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { +use crate::infcx::SolverDelegate; +use crate::solve::{Certainty, EvalCtxt, Goal, QueryResult}; + +impl EvalCtxt<'_, Infcx> +where + Infcx: SolverDelegate, + I: Interner, +{ #[instrument(level = "trace", skip(self), ret)] pub(super) fn normalize_anon_const( &mut self, - goal: Goal<'tcx, ty::NormalizesTo<'tcx>>, - ) -> QueryResult<'tcx> { + goal: Goal>, + ) -> QueryResult { if let Some(normalized_const) = self.try_const_eval_resolve( goal.param_env, ty::UnevaluatedConst::new(goal.predicate.alias.def_id, goal.predicate.alias.args), diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/inherent.rs b/compiler/rustc_next_trait_solver/src/solve/normalizes_to/inherent.rs similarity index 75% rename from compiler/rustc_trait_selection/src/solve/normalizes_to/inherent.rs rename to compiler/rustc_next_trait_solver/src/solve/normalizes_to/inherent.rs index 48d45fe510d6..8436f3ad4841 100644 --- a/compiler/rustc_trait_selection/src/solve/normalizes_to/inherent.rs +++ b/compiler/rustc_next_trait_solver/src/solve/normalizes_to/inherent.rs @@ -5,17 +5,20 @@ //! 2. equate the self type, and //! 3. instantiate and register where clauses. -use crate::solve::infcx::SolverDelegate; -use rustc_middle::traits::solve::{Certainty, Goal, GoalSource, QueryResult}; -use rustc_middle::ty; +use rustc_type_ir::{self as ty, Interner}; -use crate::solve::EvalCtxt; +use crate::infcx::SolverDelegate; +use crate::solve::{Certainty, EvalCtxt, Goal, GoalSource, QueryResult}; -impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { +impl EvalCtxt<'_, Infcx> +where + Infcx: SolverDelegate, + I: Interner, +{ pub(super) fn normalize_inherent_associated_type( &mut self, - goal: Goal<'tcx, ty::NormalizesTo<'tcx>>, - ) -> QueryResult<'tcx> { + goal: Goal>, + ) -> QueryResult { let tcx = self.interner(); let inherent = goal.predicate.alias.expect_ty(tcx); @@ -26,7 +29,7 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { self.eq( goal.param_env, inherent.self_ty(), - tcx.type_of(impl_def_id).instantiate(tcx, impl_args), + tcx.type_of(impl_def_id).instantiate(tcx, &impl_args), )?; // Equate IAT with the RHS of the project goal @@ -41,12 +44,11 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { self.add_goals( GoalSource::Misc, tcx.predicates_of(inherent.def_id) - .instantiate(tcx, inherent_args) - .into_iter() - .map(|(pred, _)| goal.with(tcx, pred)), + .iter_instantiated(tcx, &inherent_args) + .map(|pred| goal.with(tcx, pred)), ); - let normalized = tcx.type_of(inherent.def_id).instantiate(tcx, inherent_args); + let normalized = tcx.type_of(inherent.def_id).instantiate(tcx, &inherent_args); self.instantiate_normalizes_to_term(goal, normalized.into()); self.evaluate_added_goals_and_make_canonical_response(Certainty::Yes) } diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs b/compiler/rustc_next_trait_solver/src/solve/normalizes_to/mod.rs similarity index 63% rename from compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs rename to compiler/rustc_next_trait_solver/src/solve/normalizes_to/mod.rs index 0aa10afbee7f..cbc18449f0a0 100644 --- a/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs +++ b/compiler/rustc_next_trait_solver/src/solve/normalizes_to/mod.rs @@ -1,35 +1,32 @@ -use crate::traits::specialization_graph::{self, LeafDef, Node}; - -use super::assembly::structural_traits::AsyncCallableRelevantTypes; -use super::assembly::{self, structural_traits, Candidate}; -use super::infcx::SolverDelegate; -use super::{EvalCtxt, GoalSource}; -use rustc_hir::def_id::DefId; -use rustc_hir::LangItem; -use rustc_infer::traits::query::NoSolution; -use rustc_infer::traits::solve::inspect::ProbeKind; -use rustc_infer::traits::solve::MaybeCause; -use rustc_infer::traits::Reveal; -use rustc_middle::bug; -use rustc_middle::traits::solve::{CandidateSource, Certainty, Goal, QueryResult}; -use rustc_middle::traits::BuiltinImplSource; -use rustc_middle::ty::fast_reject::{DeepRejectCtxt, TreatParams}; -use rustc_middle::ty::NormalizesTo; -use rustc_middle::ty::{self, Ty, TyCtxt}; -use rustc_middle::ty::{TypeVisitableExt, Upcast}; -use rustc_span::{ErrorGuaranteed, DUMMY_SP}; - mod anon_const; mod inherent; mod opaque_types; mod weak_types; -impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { +use rustc_type_ir::inherent::*; +use rustc_type_ir::lang_items::TraitSolverLangItem; +use rustc_type_ir::Upcast as _; +use rustc_type_ir::{self as ty, Interner, NormalizesTo}; + +use crate::infcx::SolverDelegate; +use crate::solve::assembly::structural_traits::{self, AsyncCallableRelevantTypes}; +use crate::solve::assembly::{self, Candidate}; +use crate::solve::inspect::ProbeKind; +use crate::solve::{ + BuiltinImplSource, CandidateSource, Certainty, EvalCtxt, Goal, GoalSource, MaybeCause, + NoSolution, QueryResult, +}; + +impl EvalCtxt<'_, Infcx> +where + Infcx: SolverDelegate, + I: Interner, +{ #[instrument(level = "trace", skip(self), ret)] pub(super) fn compute_normalizes_to_goal( &mut self, - goal: Goal<'tcx, NormalizesTo<'tcx>>, - ) -> QueryResult<'tcx> { + goal: Goal>, + ) -> QueryResult { self.set_is_normalizes_to_goal(); debug_assert!(self.term_is_fully_unconstrained(goal)); let normalize_result = self @@ -49,10 +46,7 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { /// Normalize the given alias by at least one step. If the alias is rigid, this /// returns `NoSolution`. #[instrument(level = "trace", skip(self), ret)] - fn normalize_at_least_one_step( - &mut self, - goal: Goal<'tcx, NormalizesTo<'tcx>>, - ) -> QueryResult<'tcx> { + fn normalize_at_least_one_step(&mut self, goal: Goal>) -> QueryResult { match goal.predicate.alias.kind(self.interner()) { ty::AliasTermKind::ProjectionTy | ty::AliasTermKind::ProjectionConst => { let candidates = self.assemble_and_evaluate_candidates(goal); @@ -72,38 +66,42 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { /// emit nested `AliasRelate` goals to structurally normalize the alias. pub fn instantiate_normalizes_to_term( &mut self, - goal: Goal<'tcx, NormalizesTo<'tcx>>, - term: ty::Term<'tcx>, + goal: Goal>, + term: I::Term, ) { self.eq(goal.param_env, goal.predicate.term, term) .expect("expected goal term to be fully unconstrained"); } } -impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { - fn self_ty(self) -> Ty<'tcx> { +impl assembly::GoalKind for NormalizesTo +where + Infcx: SolverDelegate, + I: Interner, +{ + fn self_ty(self) -> I::Ty { self.self_ty() } - fn trait_ref(self, tcx: TyCtxt<'tcx>) -> ty::TraitRef<'tcx> { + fn trait_ref(self, tcx: I) -> ty::TraitRef { self.alias.trait_ref(tcx) } - fn with_self_ty(self, tcx: TyCtxt<'tcx>, self_ty: Ty<'tcx>) -> Self { + fn with_self_ty(self, tcx: I, self_ty: I::Ty) -> Self { self.with_self_ty(tcx, self_ty) } - fn trait_def_id(self, tcx: TyCtxt<'tcx>) -> DefId { + fn trait_def_id(self, tcx: I) -> I::DefId { self.trait_def_id(tcx) } fn probe_and_match_goal_against_assumption( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - source: CandidateSource<'tcx>, - goal: Goal<'tcx, Self>, - assumption: ty::Clause<'tcx>, - then: impl FnOnce(&mut EvalCtxt<'_, SolverDelegate<'tcx>>) -> QueryResult<'tcx>, - ) -> Result>, NoSolution> { + ecx: &mut EvalCtxt<'_, Infcx>, + source: CandidateSource, + goal: Goal, + assumption: I::Clause, + then: impl FnOnce(&mut EvalCtxt<'_, Infcx>) -> QueryResult, + ) -> Result, NoSolution> { if let Some(projection_pred) = assumption.as_projection_clause() { if projection_pred.projection_def_id() == goal.predicate.def_id() { let tcx = ecx.interner(); @@ -121,9 +119,9 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { // Add GAT where clauses from the trait's definition ecx.add_goals( GoalSource::Misc, - tcx.predicates_of(goal.predicate.def_id()) - .instantiate_own(tcx, goal.predicate.alias.args) - .map(|(pred, _)| goal.with(tcx, pred)), + tcx.own_predicates_of(goal.predicate.def_id()) + .iter_instantiated(tcx, &goal.predicate.alias.args) + .map(|pred| goal.with(tcx, pred)), ); then(ecx) @@ -137,24 +135,23 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_impl_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, NormalizesTo<'tcx>>, - impl_def_id: DefId, - ) -> Result>, NoSolution> { + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal>, + impl_def_id: I::DefId, + ) -> Result, NoSolution> { let tcx = ecx.interner(); let goal_trait_ref = goal.predicate.alias.trait_ref(tcx); - let impl_trait_header = tcx.impl_trait_header(impl_def_id).unwrap(); - let drcx = DeepRejectCtxt { treat_obligation_params: TreatParams::ForLookup }; - if !drcx.args_may_unify( - goal.predicate.trait_ref(tcx).args, - impl_trait_header.trait_ref.skip_binder().args, + let impl_trait_ref = tcx.impl_trait_ref(impl_def_id); + if !ecx.interner().args_may_unify_deep( + goal.predicate.alias.trait_ref(tcx).args, + impl_trait_ref.skip_binder().args, ) { return Err(NoSolution); } // We have to ignore negative impls when projecting. - let impl_polarity = impl_trait_header.polarity; + let impl_polarity = tcx.impl_polarity(impl_def_id); match impl_polarity { ty::ImplPolarity::Negative => return Err(NoSolution), ty::ImplPolarity::Reservation => { @@ -165,30 +162,28 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { ecx.probe_trait_candidate(CandidateSource::Impl(impl_def_id)).enter(|ecx| { let impl_args = ecx.fresh_args_for_item(impl_def_id); - let impl_trait_ref = impl_trait_header.trait_ref.instantiate(tcx, impl_args); + let impl_trait_ref = impl_trait_ref.instantiate(tcx, &impl_args); ecx.eq(goal.param_env, goal_trait_ref, impl_trait_ref)?; let where_clause_bounds = tcx .predicates_of(impl_def_id) - .instantiate(tcx, impl_args) - .predicates - .into_iter() + .iter_instantiated(tcx, &impl_args) .map(|pred| goal.with(tcx, pred)); ecx.add_goals(GoalSource::ImplWhereBound, where_clause_bounds); // Add GAT where clauses from the trait's definition ecx.add_goals( GoalSource::Misc, - tcx.predicates_of(goal.predicate.def_id()) - .instantiate_own(tcx, goal.predicate.alias.args) - .map(|(pred, _)| goal.with(tcx, pred)), + tcx.own_predicates_of(goal.predicate.def_id()) + .iter_instantiated(tcx, &goal.predicate.alias.args) + .map(|pred| goal.with(tcx, pred)), ); // In case the associated item is hidden due to specialization, we have to // return ambiguity this would otherwise be incomplete, resulting in // unsoundness during coherence (#105782). - let Some(assoc_def) = ecx.fetch_eligible_assoc_item_def( + let Some(target_item_def_id) = ecx.fetch_eligible_assoc_item( goal.param_env, goal_trait_ref, goal.predicate.def_id(), @@ -198,21 +193,23 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { return ecx.evaluate_added_goals_and_make_canonical_response(Certainty::AMBIGUOUS); }; - let error_response = |ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, reason| { - let guar = tcx.dcx().span_delayed_bug(tcx.def_span(assoc_def.item.def_id), reason); + let error_response = |ecx: &mut EvalCtxt<'_, Infcx>, msg: &str| { + let guar = tcx.delay_bug(msg); let error_term = match goal.predicate.alias.kind(tcx) { ty::AliasTermKind::ProjectionTy => Ty::new_error(tcx, guar).into(), - ty::AliasTermKind::ProjectionConst => ty::Const::new_error(tcx, guar).into(), - kind => bug!("expected projection, found {kind:?}"), + ty::AliasTermKind::ProjectionConst => Const::new_error(tcx, guar).into(), + kind => panic!("expected projection, found {kind:?}"), }; ecx.instantiate_normalizes_to_term(goal, error_term); ecx.evaluate_added_goals_and_make_canonical_response(Certainty::Yes) }; - if !assoc_def.item.defaultness(tcx).has_value() { - return error_response(ecx, "missing value for assoc item in impl"); + if !tcx.has_item_definition(target_item_def_id) { + return error_response(ecx, "missing item"); } + let target_container_def_id = tcx.parent(target_item_def_id); + // Getting the right args here is complex, e.g. given: // - a goal ` as Trait>::Assoc` // - the applicable impl `impl Trait for Vec` @@ -223,39 +220,40 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { // // And then map these args to the args of the defining impl of `Assoc`, going // from `[u32, u64]` to `[u32, i32, u64]`. - let associated_item_args = - ecx.translate_args(&assoc_def, goal, impl_def_id, impl_args, impl_trait_ref)?; + let target_args = ecx.translate_args( + goal, + impl_def_id, + impl_args, + impl_trait_ref, + target_container_def_id, + )?; - if !tcx.check_args_compatible(assoc_def.item.def_id, associated_item_args) { - return error_response( - ecx, - "associated item has mismatched generic item arguments", - ); + if !tcx.check_args_compatible(target_item_def_id, target_args) { + return error_response(ecx, "associated item has mismatched arguments"); } // Finally we construct the actual value of the associated type. let term = match goal.predicate.alias.kind(tcx) { ty::AliasTermKind::ProjectionTy => { - tcx.type_of(assoc_def.item.def_id).map_bound(|ty| ty.into()) + tcx.type_of(target_item_def_id).map_bound(|ty| ty.into()) } ty::AliasTermKind::ProjectionConst => { - if tcx.features().associated_const_equality { - bug!("associated const projection is not supported yet") + if tcx.features().associated_const_equality() { + panic!("associated const projection is not supported yet") } else { ty::EarlyBinder::bind( - ty::Const::new_error_with_message( + Const::new_error_with_message( tcx, - DUMMY_SP, "associated const projection is not supported yet", ) .into(), ) } } - kind => bug!("expected projection, found {kind:?}"), + kind => panic!("expected projection, found {kind:?}"), }; - ecx.instantiate_normalizes_to_term(goal, term.instantiate(tcx, associated_item_args)); + ecx.instantiate_normalizes_to_term(goal, term.instantiate(tcx, &target_args)); ecx.evaluate_added_goals_and_make_canonical_response(Certainty::Yes) }) } @@ -263,63 +261,60 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { /// Fail to normalize if the predicate contains an error, alternatively, we could normalize to `ty::Error` /// and succeed. Can experiment with this to figure out what results in better error messages. fn consider_error_guaranteed_candidate( - _ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - _guar: ErrorGuaranteed, - ) -> Result>, NoSolution> { + _ecx: &mut EvalCtxt<'_, Infcx>, + _guar: I::ErrorGuaranteed, + ) -> Result, NoSolution> { Err(NoSolution) } fn consider_auto_trait_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { - ecx.interner().dcx().span_delayed_bug( - ecx.interner().def_span(goal.predicate.def_id()), - "associated types not allowed on auto traits", - ); + ecx: &mut EvalCtxt<'_, Infcx>, + _goal: Goal, + ) -> Result, NoSolution> { + ecx.interner().delay_bug("associated types not allowed on auto traits"); Err(NoSolution) } fn consider_trait_alias_candidate( - _ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { - bug!("trait aliases do not have associated types: {:?}", goal); + _ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { + panic!("trait aliases do not have associated types: {:?}", goal); } fn consider_builtin_sized_candidate( - _ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { - bug!("`Sized` does not have an associated type: {:?}", goal); + _ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { + panic!("`Sized` does not have an associated type: {:?}", goal); } fn consider_builtin_copy_clone_candidate( - _ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { - bug!("`Copy`/`Clone` does not have an associated type: {:?}", goal); + _ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { + panic!("`Copy`/`Clone` does not have an associated type: {:?}", goal); } fn consider_builtin_pointer_like_candidate( - _ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { - bug!("`PointerLike` does not have an associated type: {:?}", goal); + _ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { + panic!("`PointerLike` does not have an associated type: {:?}", goal); } fn consider_builtin_fn_ptr_trait_candidate( - _ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { - bug!("`FnPtr` does not have an associated type: {:?}", goal); + _ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { + panic!("`FnPtr` does not have an associated type: {:?}", goal); } fn consider_builtin_fn_trait_candidates( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, goal_kind: ty::ClosureKind, - ) -> Result>, NoSolution> { + ) -> Result, NoSolution> { let tcx = ecx.interner(); let tupled_inputs_and_output = match structural_traits::extract_tupled_inputs_and_output_from_callable( @@ -333,7 +328,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } }; let output_is_sized_pred = tupled_inputs_and_output.map_bound(|(_, output)| { - ty::TraitRef::new(tcx, tcx.require_lang_item(LangItem::Sized, None), [output]) + ty::TraitRef::new(tcx, tcx.require_lang_item(TraitSolverLangItem::Sized), [output]) }); let pred = tupled_inputs_and_output @@ -359,16 +354,16 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_builtin_async_fn_trait_candidates( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, goal_kind: ty::ClosureKind, - ) -> Result>, NoSolution> { + ) -> Result, NoSolution> { let tcx = ecx.interner(); let env_region = match goal_kind { ty::ClosureKind::Fn | ty::ClosureKind::FnMut => goal.predicate.alias.args.region_at(2), // Doesn't matter what this region is - ty::ClosureKind::FnOnce => tcx.lifetimes.re_static, + ty::ClosureKind::FnOnce => Region::new_static(tcx), }; let (tupled_inputs_and_output_and_coroutine, nested_preds) = structural_traits::extract_tupled_inputs_and_output_from_async_callable( @@ -379,7 +374,11 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { )?; let output_is_sized_pred = tupled_inputs_and_output_and_coroutine.map_bound( |AsyncCallableRelevantTypes { output_coroutine_ty: output_ty, .. }| { - ty::TraitRef::new(tcx, tcx.require_lang_item(LangItem::Sized, None), [output_ty]) + ty::TraitRef::new( + tcx, + tcx.require_lang_item(TraitSolverLangItem::Sized), + [output_ty], + ) }, ); @@ -391,7 +390,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { coroutine_return_ty, }| { let (projection_term, term) = if tcx - .is_lang_item(goal.predicate.def_id(), LangItem::CallOnceFuture) + .is_lang_item(goal.predicate.def_id(), TraitSolverLangItem::CallOnceFuture) { ( ty::AliasTerm::new( @@ -401,34 +400,41 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { ), output_coroutine_ty.into(), ) - } else if tcx.is_lang_item(goal.predicate.def_id(), LangItem::CallRefFuture) { - ( - ty::AliasTerm::new( - tcx, - goal.predicate.def_id(), - [ - ty::GenericArg::from(goal.predicate.self_ty()), - tupled_inputs_ty.into(), - env_region.into(), - ], - ), - output_coroutine_ty.into(), - ) - } else if tcx.is_lang_item(goal.predicate.def_id(), LangItem::AsyncFnOnceOutput) + } else if tcx + .is_lang_item(goal.predicate.def_id(), TraitSolverLangItem::CallRefFuture) { ( ty::AliasTerm::new( tcx, goal.predicate.def_id(), [ - ty::GenericArg::from(goal.predicate.self_ty()), + I::GenericArg::from(goal.predicate.self_ty()), + tupled_inputs_ty.into(), + env_region.into(), + ], + ), + output_coroutine_ty.into(), + ) + } else if tcx.is_lang_item( + goal.predicate.def_id(), + TraitSolverLangItem::AsyncFnOnceOutput, + ) { + ( + ty::AliasTerm::new( + tcx, + goal.predicate.def_id(), + [ + I::GenericArg::from(goal.predicate.self_ty()), tupled_inputs_ty.into(), ], ), coroutine_return_ty.into(), ) } else { - bug!("no such associated type in `AsyncFn*`: {:?}", goal.predicate.def_id()) + panic!( + "no such associated type in `AsyncFn*`: {:?}", + goal.predicate.def_id() + ) }; ty::ProjectionPredicate { projection_term, term } }, @@ -450,9 +456,9 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_builtin_async_fn_kind_helper_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { let [ closure_fn_kind_ty, goal_kind_ty, @@ -462,7 +468,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { coroutine_captures_by_ref_ty, ] = **goal.predicate.alias.args else { - bug!(); + panic!(); }; // Bail if the upvars haven't been constrained. @@ -497,18 +503,18 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_builtin_tuple_candidate( - _ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { - bug!("`Tuple` does not have an associated type: {:?}", goal); + _ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { + panic!("`Tuple` does not have an associated type: {:?}", goal); } fn consider_builtin_pointee_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { let tcx = ecx.interner(); - let metadata_def_id = tcx.require_lang_item(LangItem::Metadata, None); + let metadata_def_id = tcx.require_lang_item(TraitSolverLangItem::Metadata); assert_eq!(metadata_def_id, goal.predicate.def_id()); ecx.probe_builtin_trait_candidate(BuiltinImplSource::Misc).enter(|ecx| { let metadata_ty = match goal.predicate.self_ty().kind() { @@ -530,16 +536,16 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { | ty::CoroutineWitness(..) | ty::Never | ty::Foreign(..) - | ty::Dynamic(_, _, ty::DynStar) => tcx.types.unit, + | ty::Dynamic(_, _, ty::DynStar) => Ty::new_unit(tcx), - ty::Error(e) => Ty::new_error(tcx, *e), + ty::Error(e) => Ty::new_error(tcx, e), - ty::Str | ty::Slice(_) => tcx.types.usize, + ty::Str | ty::Slice(_) => Ty::new_usize(tcx), ty::Dynamic(_, _, ty::Dyn) => { - let dyn_metadata = tcx.require_lang_item(LangItem::DynMetadata, None); + let dyn_metadata = tcx.require_lang_item(TraitSolverLangItem::DynMetadata); tcx.type_of(dyn_metadata) - .instantiate(tcx, &[ty::GenericArg::from(goal.predicate.self_ty())]) + .instantiate(tcx, &[I::GenericArg::from(goal.predicate.self_ty())]) } ty::Alias(_, _) | ty::Param(_) | ty::Placeholder(..) => { @@ -549,32 +555,31 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { // exist. Instead, `Pointee` should be a supertrait of `Sized`. let sized_predicate = ty::TraitRef::new( tcx, - tcx.require_lang_item(LangItem::Sized, None), - [ty::GenericArg::from(goal.predicate.self_ty())], + tcx.require_lang_item(TraitSolverLangItem::Sized), + [I::GenericArg::from(goal.predicate.self_ty())], ); // FIXME(-Znext-solver=coinductive): Should this be `GoalSource::ImplWhereBound`? ecx.add_goal(GoalSource::Misc, goal.with(tcx, sized_predicate)); - tcx.types.unit + Ty::new_unit(tcx) } - ty::Adt(def, args) if def.is_struct() => match def.non_enum_variant().tail_opt() { - None => tcx.types.unit, - Some(tail_def) => { - let tail_ty = tail_def.ty(tcx, args); - Ty::new_projection(tcx, metadata_def_id, [tail_ty]) + ty::Adt(def, args) if def.is_struct() => match def.struct_tail_ty(tcx) { + None => Ty::new_unit(tcx), + Some(tail_ty) => { + Ty::new_projection(tcx, metadata_def_id, [tail_ty.instantiate(tcx, &args)]) } }, - ty::Adt(_, _) => tcx.types.unit, + ty::Adt(_, _) => Ty::new_unit(tcx), ty::Tuple(elements) => match elements.last() { - None => tcx.types.unit, + None => Ty::new_unit(tcx), Some(&tail_ty) => Ty::new_projection(tcx, metadata_def_id, [tail_ty]), }, ty::Infer( ty::TyVar(_) | ty::FreshTy(_) | ty::FreshIntTy(_) | ty::FreshFloatTy(_), ) - | ty::Bound(..) => bug!( + | ty::Bound(..) => panic!( "unexpected self ty `{:?}` when normalizing `::Metadata`", goal.predicate.self_ty() ), @@ -586,11 +591,11 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_builtin_future_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { let self_ty = goal.predicate.self_ty(); - let ty::Coroutine(def_id, args) = *self_ty.kind() else { + let ty::Coroutine(def_id, args) = self_ty.kind() else { return Err(NoSolution); }; @@ -622,11 +627,11 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_builtin_iterator_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { let self_ty = goal.predicate.self_ty(); - let ty::Coroutine(def_id, args) = *self_ty.kind() else { + let ty::Coroutine(def_id, args) = self_ty.kind() else { return Err(NoSolution); }; @@ -658,18 +663,18 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_builtin_fused_iterator_candidate( - _ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { - bug!("`FusedIterator` does not have an associated type: {:?}", goal); + _ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { + panic!("`FusedIterator` does not have an associated type: {:?}", goal); } fn consider_builtin_async_iterator_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { let self_ty = goal.predicate.self_ty(); - let ty::Coroutine(def_id, args) = *self_ty.kind() else { + let ty::Coroutine(def_id, args) = self_ty.kind() else { return Err(NoSolution); }; @@ -685,10 +690,10 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { // coroutine yield ty `Poll>`. let wrapped_expected_ty = Ty::new_adt( tcx, - tcx.adt_def(tcx.require_lang_item(LangItem::Poll, None)), + tcx.adt_def(tcx.require_lang_item(TraitSolverLangItem::Poll)), tcx.mk_args(&[Ty::new_adt( tcx, - tcx.adt_def(tcx.require_lang_item(LangItem::Option, None)), + tcx.adt_def(tcx.require_lang_item(TraitSolverLangItem::Option)), tcx.mk_args(&[expected_ty.into()]), ) .into()]), @@ -701,11 +706,11 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_builtin_coroutine_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { let self_ty = goal.predicate.self_ty(); - let ty::Coroutine(def_id, args) = *self_ty.kind() else { + let ty::Coroutine(def_id, args) = self_ty.kind() else { return Err(NoSolution); }; @@ -717,15 +722,14 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { let coroutine = args.as_coroutine(); - let term = if tcx.is_lang_item(goal.predicate.def_id(), LangItem::CoroutineReturn) { + let term = if tcx + .is_lang_item(goal.predicate.def_id(), TraitSolverLangItem::CoroutineReturn) + { coroutine.return_ty().into() - } else if tcx.is_lang_item(goal.predicate.def_id(), LangItem::CoroutineYield) { + } else if tcx.is_lang_item(goal.predicate.def_id(), TraitSolverLangItem::CoroutineYield) { coroutine.yield_ty().into() } else { - bug!( - "unexpected associated item `<{self_ty} as Coroutine>::{}`", - tcx.item_name(goal.predicate.def_id()) - ) + panic!("unexpected associated item `{:?}` for `{self_ty:?}`", goal.predicate.def_id()) }; Self::probe_and_consider_implied_clause( @@ -748,18 +752,18 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_structural_builtin_unsize_candidates( - _ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Vec>> { - bug!("`Unsize` does not have an associated type: {:?}", goal); + _ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Vec> { + panic!("`Unsize` does not have an associated type: {:?}", goal); } fn consider_builtin_discriminant_kind_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { let self_ty = goal.predicate.self_ty(); - let discriminant_ty = match *self_ty.kind() { + let discriminant_ty = match self_ty.kind() { ty::Bool | ty::Char | ty::Int(..) @@ -794,7 +798,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } ty::Infer(ty::TyVar(_) | ty::FreshTy(_) | ty::FreshIntTy(_) | ty::FreshFloatTy(_)) - | ty::Bound(..) => bug!( + | ty::Bound(..) => panic!( "unexpected self ty `{:?}` when normalizing `::Discriminant`", goal.predicate.self_ty() ), @@ -807,11 +811,11 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_builtin_async_destruct_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { let self_ty = goal.predicate.self_ty(); - let async_destructor_ty = match *self_ty.kind() { + let async_destructor_ty = match self_ty.kind() { ty::Bool | ty::Char | ty::Int(..) @@ -842,12 +846,12 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { ty::Infer(ty::TyVar(_) | ty::FreshTy(_) | ty::FreshIntTy(_) | ty::FreshFloatTy(_)) | ty::Foreign(..) - | ty::Bound(..) => bug!( + | ty::Bound(..) => panic!( "unexpected self ty `{:?}` when normalizing `::AsyncDestructor`", goal.predicate.self_ty() ), - ty::Pat(..) | ty::Dynamic(..) | ty::Coroutine(..) | ty::CoroutineWitness(..) => bug!( + ty::Pat(..) | ty::Dynamic(..) | ty::Coroutine(..) | ty::CoroutineWitness(..) => panic!( "`consider_builtin_async_destruct_candidate` is not yet implemented for type: {self_ty:?}" ), }; @@ -860,93 +864,56 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } fn consider_builtin_destruct_candidate( - _ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { - bug!("`Destruct` does not have an associated type: {:?}", goal); + _ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { + panic!("`Destruct` does not have an associated type: {:?}", goal); } fn consider_builtin_transmute_candidate( - _ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { - bug!("`BikeshedIntrinsicFrom` does not have an associated type: {:?}", goal) + _ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { + panic!("`BikeshedIntrinsicFrom` does not have an associated type: {:?}", goal) } } -impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { +impl EvalCtxt<'_, Infcx> +where + Infcx: SolverDelegate, + I: Interner, +{ fn translate_args( &mut self, - assoc_def: &LeafDef, - goal: Goal<'tcx, ty::NormalizesTo<'tcx>>, - impl_def_id: DefId, - impl_args: ty::GenericArgsRef<'tcx>, - impl_trait_ref: rustc_type_ir::TraitRef>, - ) -> Result, NoSolution> { + goal: Goal>, + impl_def_id: I::DefId, + impl_args: I::GenericArgs, + impl_trait_ref: rustc_type_ir::TraitRef, + target_container_def_id: I::DefId, + ) -> Result { let tcx = self.interner(); - Ok(match assoc_def.defining_node { - Node::Trait(_) => goal.predicate.alias.args, - Node::Impl(target_impl_def_id) => { - if target_impl_def_id == impl_def_id { - // Same impl, no need to fully translate, just a rebase from - // the trait is sufficient. - goal.predicate.alias.args.rebase_onto(tcx, impl_trait_ref.def_id, impl_args) - } else { - let target_args = self.fresh_args_for_item(target_impl_def_id); - let target_trait_ref = tcx - .impl_trait_ref(target_impl_def_id) - .unwrap() - .instantiate(tcx, target_args); - // Relate source impl to target impl by equating trait refs. - self.eq(goal.param_env, impl_trait_ref, target_trait_ref)?; - // Also add predicates since they may be needed to constrain the - // target impl's params. - self.add_goals( - GoalSource::Misc, - tcx.predicates_of(target_impl_def_id) - .instantiate(tcx, target_args) - .into_iter() - .map(|(pred, _)| goal.with(tcx, pred)), - ); - goal.predicate.alias.args.rebase_onto(tcx, impl_trait_ref.def_id, target_args) - } - } + Ok(if target_container_def_id == impl_trait_ref.def_id { + // Default value from the trait definition. No need to rebase. + goal.predicate.alias.args + } else if target_container_def_id == impl_def_id { + // Same impl, no need to fully translate, just a rebase from + // the trait is sufficient. + goal.predicate.alias.args.rebase_onto(tcx, impl_trait_ref.def_id, impl_args) + } else { + let target_args = self.fresh_args_for_item(target_container_def_id); + let target_trait_ref = + tcx.impl_trait_ref(target_container_def_id).instantiate(tcx, &target_args); + // Relate source impl to target impl by equating trait refs. + self.eq(goal.param_env, impl_trait_ref, target_trait_ref)?; + // Also add predicates since they may be needed to constrain the + // target impl's params. + self.add_goals( + GoalSource::Misc, + tcx.predicates_of(target_container_def_id) + .iter_instantiated(tcx, &target_args) + .map(|pred| goal.with(tcx, pred)), + ); + goal.predicate.alias.args.rebase_onto(tcx, impl_trait_ref.def_id, target_args) }) } - - /// This behavior is also implemented in `rustc_ty_utils` and in the old `project` code. - /// - /// FIXME: We should merge these 3 implementations as it's likely that they otherwise - /// diverge. - #[instrument(level = "trace", skip(self, param_env), ret)] - fn fetch_eligible_assoc_item_def( - &self, - param_env: ty::ParamEnv<'tcx>, - goal_trait_ref: ty::TraitRef<'tcx>, - trait_assoc_def_id: DefId, - impl_def_id: DefId, - ) -> Result, NoSolution> { - let node_item = - specialization_graph::assoc_def(self.interner(), impl_def_id, trait_assoc_def_id) - .map_err(|ErrorGuaranteed { .. }| NoSolution)?; - - let eligible = if node_item.is_final() { - // Non-specializable items are always projectable. - true - } else { - // Only reveal a specializable default if we're past type-checking - // and the obligation is monomorphic, otherwise passes such as - // transmute checking and polymorphic MIR optimizations could - // get a result which isn't correct for all monomorphizations. - if param_env.reveal() == Reveal::All { - let poly_trait_ref = self.resolve_vars_if_possible(goal_trait_ref); - !poly_trait_ref.still_further_specializable() - } else { - trace!(?node_item.item.def_id, "not eligible due to default"); - false - } - }; - - if eligible { Ok(Some(node_item)) } else { Ok(None) } - } } diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/opaque_types.rs b/compiler/rustc_next_trait_solver/src/solve/normalizes_to/opaque_types.rs similarity index 64% rename from compiler/rustc_trait_selection/src/solve/normalizes_to/opaque_types.rs rename to compiler/rustc_next_trait_solver/src/solve/normalizes_to/opaque_types.rs index f7423c367b55..710671b45d0e 100644 --- a/compiler/rustc_trait_selection/src/solve/normalizes_to/opaque_types.rs +++ b/compiler/rustc_next_trait_solver/src/solve/normalizes_to/opaque_types.rs @@ -2,20 +2,22 @@ //! behaves differently depending on the param-env's reveal mode and whether //! the opaque is in a defining scope. -use crate::solve::infcx::SolverDelegate; -use rustc_middle::traits::query::NoSolution; -use rustc_middle::traits::solve::{Certainty, Goal, QueryResult}; -use rustc_middle::traits::Reveal; -use rustc_middle::ty; -use rustc_middle::ty::util::NotUniqueParam; +use rustc_index::bit_set::GrowableBitSet; +use rustc_type_ir::inherent::*; +use rustc_type_ir::{self as ty, Interner}; -use crate::solve::{EvalCtxt, SolverMode}; +use crate::infcx::SolverDelegate; +use crate::solve::{Certainty, EvalCtxt, Goal, NoSolution, QueryResult, Reveal, SolverMode}; -impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { +impl EvalCtxt<'_, Infcx> +where + Infcx: SolverDelegate, + I: Interner, +{ pub(super) fn normalize_opaque_type( &mut self, - goal: Goal<'tcx, ty::NormalizesTo<'tcx>>, - ) -> QueryResult<'tcx> { + goal: Goal>, + ) -> QueryResult { let tcx = self.interner(); let opaque_ty = goal.predicate.alias; let expected = goal.predicate.term.as_type().expect("no such thing as an opaque const"); @@ -32,7 +34,7 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { return Err(NoSolution); } // FIXME: This may have issues when the args contain aliases... - match self.interner().uses_unique_placeholders_ignoring_regions(opaque_ty.args) { + match uses_unique_placeholders_ignoring_regions(self.interner(), opaque_ty.args) { Err(NotUniqueParam::NotParam(param)) if param.is_non_region_infer() => { return self.evaluate_added_goals_and_make_canonical_response( Certainty::AMBIGUOUS, @@ -61,6 +63,7 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { } // Otherwise, define a new opaque type + // FIXME: should we use `inject_hidden_type_unchecked` here? self.insert_hidden_type(opaque_type_key, goal.param_env, expected)?; self.add_item_bounds_for_hidden_type( opaque_ty.def_id, @@ -83,10 +86,51 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { } (Reveal::All, _) => { // FIXME: Add an assertion that opaque type storage is empty. - let actual = tcx.type_of(opaque_ty.def_id).instantiate(tcx, opaque_ty.args); + let actual = tcx.type_of(opaque_ty.def_id).instantiate(tcx, &opaque_ty.args); self.eq(goal.param_env, expected, actual)?; self.evaluate_added_goals_and_make_canonical_response(Certainty::Yes) } } } } + +/// Checks whether each generic argument is simply a unique generic placeholder. +/// +/// FIXME: Interner argument is needed to constrain the `I` parameter. +pub fn uses_unique_placeholders_ignoring_regions( + _interner: I, + args: I::GenericArgs, +) -> Result<(), NotUniqueParam> { + let mut seen = GrowableBitSet::default(); + for arg in args { + match arg.kind() { + // Ignore regions, since we can't resolve those in a canonicalized + // query in the trait solver. + ty::GenericArgKind::Lifetime(_) => {} + ty::GenericArgKind::Type(t) => match t.kind() { + ty::Placeholder(p) => { + if !seen.insert(p.var()) { + return Err(NotUniqueParam::DuplicateParam(t.into())); + } + } + _ => return Err(NotUniqueParam::NotParam(t.into())), + }, + ty::GenericArgKind::Const(c) => match c.kind() { + ty::ConstKind::Placeholder(p) => { + if !seen.insert(p.var()) { + return Err(NotUniqueParam::DuplicateParam(c.into())); + } + } + _ => return Err(NotUniqueParam::NotParam(c.into())), + }, + } + } + + Ok(()) +} + +// FIXME: This should check for dupes and non-params first, then infer vars. +pub enum NotUniqueParam { + DuplicateParam(I::GenericArg), + NotParam(I::GenericArg), +} diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/weak_types.rs b/compiler/rustc_next_trait_solver/src/solve/normalizes_to/weak_types.rs similarity index 67% rename from compiler/rustc_trait_selection/src/solve/normalizes_to/weak_types.rs rename to compiler/rustc_next_trait_solver/src/solve/normalizes_to/weak_types.rs index 26d60ffb3216..45341917bb24 100644 --- a/compiler/rustc_trait_selection/src/solve/normalizes_to/weak_types.rs +++ b/compiler/rustc_next_trait_solver/src/solve/normalizes_to/weak_types.rs @@ -4,17 +4,20 @@ //! Since a weak alias is never ambiguous, this just computes the `type_of` of //! the alias and registers the where-clauses of the type alias. -use crate::solve::infcx::SolverDelegate; -use rustc_middle::traits::solve::{Certainty, Goal, GoalSource, QueryResult}; -use rustc_middle::ty; +use rustc_type_ir::{self as ty, Interner}; -use crate::solve::EvalCtxt; +use crate::infcx::SolverDelegate; +use crate::solve::{Certainty, EvalCtxt, Goal, GoalSource, QueryResult}; -impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { +impl EvalCtxt<'_, Infcx> +where + Infcx: SolverDelegate, + I: Interner, +{ pub(super) fn normalize_weak_type( &mut self, - goal: Goal<'tcx, ty::NormalizesTo<'tcx>>, - ) -> QueryResult<'tcx> { + goal: Goal>, + ) -> QueryResult { let tcx = self.interner(); let weak_ty = goal.predicate.alias; @@ -22,13 +25,11 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { self.add_goals( GoalSource::Misc, tcx.predicates_of(weak_ty.def_id) - .instantiate(tcx, weak_ty.args) - .predicates - .into_iter() + .iter_instantiated(tcx, &weak_ty.args) .map(|pred| goal.with(tcx, pred)), ); - let actual = tcx.type_of(weak_ty.def_id).instantiate(tcx, weak_ty.args); + let actual = tcx.type_of(weak_ty.def_id).instantiate(tcx, &weak_ty.args); self.instantiate_normalizes_to_term(goal, actual.into()); self.evaluate_added_goals_and_make_canonical_response(Certainty::Yes) diff --git a/compiler/rustc_trait_selection/src/solve/project_goals.rs b/compiler/rustc_next_trait_solver/src/solve/project_goals.rs similarity index 63% rename from compiler/rustc_trait_selection/src/solve/project_goals.rs rename to compiler/rustc_next_trait_solver/src/solve/project_goals.rs index 839db73a8b38..b20c274b62ce 100644 --- a/compiler/rustc_trait_selection/src/solve/project_goals.rs +++ b/compiler/rustc_next_trait_solver/src/solve/project_goals.rs @@ -1,16 +1,18 @@ -use crate::solve::GoalSource; +use rustc_type_ir::{self as ty, Interner, ProjectionPredicate}; -use super::infcx::SolverDelegate; -use super::EvalCtxt; -use rustc_middle::traits::solve::{Certainty, Goal, QueryResult}; -use rustc_middle::ty::{self, ProjectionPredicate}; +use crate::infcx::SolverDelegate; +use crate::solve::{Certainty, EvalCtxt, Goal, GoalSource, QueryResult}; -impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { +impl EvalCtxt<'_, Infcx> +where + Infcx: SolverDelegate, + I: Interner, +{ #[instrument(level = "trace", skip(self), ret)] pub(super) fn compute_projection_goal( &mut self, - goal: Goal<'tcx, ProjectionPredicate<'tcx>>, - ) -> QueryResult<'tcx> { + goal: Goal>, + ) -> QueryResult { let tcx = self.interner(); let projection_term = goal.predicate.projection_term.to_term(tcx); let goal = goal.with( diff --git a/compiler/rustc_trait_selection/src/solve/search_graph.rs b/compiler/rustc_next_trait_solver/src/solve/search_graph.rs similarity index 98% rename from compiler/rustc_trait_selection/src/solve/search_graph.rs rename to compiler/rustc_next_trait_solver/src/solve/search_graph.rs index 055540d122fe..d50ff2f8debb 100644 --- a/compiler/rustc_trait_selection/src/solve/search_graph.rs +++ b/compiler/rustc_next_trait_solver/src/solve/search_graph.rs @@ -1,19 +1,18 @@ use std::mem; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; -use rustc_index::Idx; -use rustc_index::IndexVec; -use rustc_next_trait_solver::infcx::SolverDelegate; -use rustc_next_trait_solver::solve::CacheData; -use rustc_next_trait_solver::solve::{CanonicalInput, Certainty, QueryResult}; -use rustc_session::Limit; +use rustc_index::{Idx, IndexVec}; use rustc_type_ir::inherent::*; use rustc_type_ir::Interner; -use super::inspect; -use super::inspect::ProofTreeBuilder; -use super::SolverMode; -use crate::solve::FIXPOINT_STEP_LIMIT; +use crate::infcx::SolverDelegate; +use crate::solve::inspect::{self, ProofTreeBuilder}; +use crate::solve::{ + CacheData, CanonicalInput, Certainty, QueryResult, SolverMode, FIXPOINT_STEP_LIMIT, +}; + +#[derive(Copy, Clone, PartialEq, Eq, Debug)] +pub struct Limit(usize); rustc_index::newtype_index! { #[orderable] diff --git a/compiler/rustc_trait_selection/src/solve/trait_goals.rs b/compiler/rustc_next_trait_solver/src/solve/trait_goals.rs similarity index 77% rename from compiler/rustc_trait_selection/src/solve/trait_goals.rs rename to compiler/rustc_next_trait_solver/src/solve/trait_goals.rs index 0aace43f3332..19eee82edc06 100644 --- a/compiler/rustc_trait_selection/src/solve/trait_goals.rs +++ b/compiler/rustc_next_trait_solver/src/solve/trait_goals.rs @@ -1,60 +1,59 @@ //! Dealing with trait goals, i.e. `T: Trait<'a, U>`. -use super::assembly::structural_traits::AsyncCallableRelevantTypes; -use super::assembly::{self, structural_traits, Candidate}; -use super::infcx::SolverDelegate; -use super::{EvalCtxt, GoalSource, SolverMode}; +use rustc_ast_ir::Movability; use rustc_data_structures::fx::FxIndexSet; -use rustc_hir::def_id::DefId; -use rustc_hir::{LangItem, Movability}; -use rustc_infer::traits::query::NoSolution; -use rustc_infer::traits::solve::MaybeCause; -use rustc_infer::traits::util::supertraits; -use rustc_middle::bug; -use rustc_middle::traits::solve::inspect::ProbeKind; -use rustc_middle::traits::solve::{CandidateSource, Certainty, Goal, QueryResult}; -use rustc_middle::traits::{BuiltinImplSource, Reveal}; -use rustc_middle::ty::fast_reject::{DeepRejectCtxt, TreatParams}; -use rustc_middle::ty::{self, Ty, TyCtxt, Upcast}; -use rustc_middle::ty::{TraitPredicate, TypeVisitableExt}; -use rustc_span::ErrorGuaranteed; +use rustc_type_ir::inherent::*; +use rustc_type_ir::lang_items::TraitSolverLangItem; +use rustc_type_ir::visit::TypeVisitableExt as _; +use rustc_type_ir::{self as ty, Interner, TraitPredicate, Upcast as _}; -impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { - fn self_ty(self) -> Ty<'tcx> { +use crate::infcx::SolverDelegate; +use crate::solve::assembly::structural_traits::{self, AsyncCallableRelevantTypes}; +use crate::solve::assembly::{self, Candidate}; +use crate::solve::inspect::ProbeKind; +use crate::solve::{ + BuiltinImplSource, CandidateSource, Certainty, EvalCtxt, Goal, GoalSource, MaybeCause, + NoSolution, QueryResult, Reveal, SolverMode, +}; + +impl assembly::GoalKind for TraitPredicate +where + Infcx: SolverDelegate, + I: Interner, +{ + fn self_ty(self) -> I::Ty { self.self_ty() } - fn trait_ref(self, _: TyCtxt<'tcx>) -> ty::TraitRef<'tcx> { + fn trait_ref(self, _: I) -> ty::TraitRef { self.trait_ref } - fn with_self_ty(self, tcx: TyCtxt<'tcx>, self_ty: Ty<'tcx>) -> Self { + fn with_self_ty(self, tcx: I, self_ty: I::Ty) -> Self { self.with_self_ty(tcx, self_ty) } - fn trait_def_id(self, _: TyCtxt<'tcx>) -> DefId { + fn trait_def_id(self, _: I) -> I::DefId { self.def_id() } fn consider_impl_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, TraitPredicate<'tcx>>, - impl_def_id: DefId, - ) -> Result>, NoSolution> { + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal>, + impl_def_id: I::DefId, + ) -> Result, NoSolution> { let tcx = ecx.interner(); - let impl_trait_header = tcx.impl_trait_header(impl_def_id).unwrap(); - let drcx = DeepRejectCtxt { treat_obligation_params: TreatParams::ForLookup }; - if !drcx.args_may_unify( - goal.predicate.trait_ref.args, - impl_trait_header.trait_ref.skip_binder().args, - ) { + let impl_trait_ref = tcx.impl_trait_ref(impl_def_id); + if !tcx + .args_may_unify_deep(goal.predicate.trait_ref.args, impl_trait_ref.skip_binder().args) + { return Err(NoSolution); } // An upper bound of the certainty of this goal, used to lower the certainty // of reservation impl to ambiguous during coherence. - let impl_polarity = impl_trait_header.polarity; + let impl_polarity = tcx.impl_polarity(impl_def_id); let maximal_certainty = match (impl_polarity, goal.predicate.polarity) { // In intercrate mode, this is ambiguous. But outside of intercrate, // it's not a real impl. @@ -77,14 +76,12 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { ecx.probe_trait_candidate(CandidateSource::Impl(impl_def_id)).enter(|ecx| { let impl_args = ecx.fresh_args_for_item(impl_def_id); ecx.record_impl_args(impl_args); - let impl_trait_ref = impl_trait_header.trait_ref.instantiate(tcx, impl_args); + let impl_trait_ref = impl_trait_ref.instantiate(tcx, &impl_args); ecx.eq(goal.param_env, goal.predicate.trait_ref, impl_trait_ref)?; let where_clause_bounds = tcx .predicates_of(impl_def_id) - .instantiate(tcx, impl_args) - .predicates - .into_iter() + .iter_instantiated(tcx, &impl_args) .map(|pred| goal.with(tcx, pred)); ecx.add_goals(GoalSource::ImplWhereBound, where_clause_bounds); @@ -93,21 +90,21 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_error_guaranteed_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - _guar: ErrorGuaranteed, - ) -> Result>, NoSolution> { + ecx: &mut EvalCtxt<'_, Infcx>, + _guar: I::ErrorGuaranteed, + ) -> Result, NoSolution> { // FIXME: don't need to enter a probe here. ecx.probe_builtin_trait_candidate(BuiltinImplSource::Misc) .enter(|ecx| ecx.evaluate_added_goals_and_make_canonical_response(Certainty::Yes)) } fn probe_and_match_goal_against_assumption( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - source: CandidateSource<'tcx>, - goal: Goal<'tcx, Self>, - assumption: ty::Clause<'tcx>, - then: impl FnOnce(&mut EvalCtxt<'_, SolverDelegate<'tcx>>) -> QueryResult<'tcx>, - ) -> Result>, NoSolution> { + ecx: &mut EvalCtxt<'_, Infcx>, + source: CandidateSource, + goal: Goal, + assumption: I::Clause, + then: impl FnOnce(&mut EvalCtxt<'_, Infcx>) -> QueryResult, + ) -> Result, NoSolution> { if let Some(trait_clause) = assumption.as_trait_clause() { if trait_clause.def_id() == goal.predicate.def_id() && trait_clause.polarity() == goal.predicate.polarity @@ -130,9 +127,9 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_auto_trait_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } @@ -159,7 +156,10 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { if let ty::Alias(ty::Opaque, opaque_ty) = goal.predicate.self_ty().kind() { if matches!(goal.param_env.reveal(), Reveal::All) || matches!(ecx.solver_mode(), SolverMode::Coherence) - || ecx.can_define_opaque_ty(opaque_ty.def_id) + || opaque_ty + .def_id + .as_local() + .is_some_and(|def_id| ecx.can_define_opaque_ty(def_id)) { return Err(NoSolution); } @@ -173,9 +173,9 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_trait_alias_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } @@ -185,20 +185,18 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { ecx.probe_builtin_trait_candidate(BuiltinImplSource::Misc).enter(|ecx| { let nested_obligations = tcx .predicates_of(goal.predicate.def_id()) - .instantiate(tcx, goal.predicate.trait_ref.args); + .iter_instantiated(tcx, &goal.predicate.trait_ref.args) + .map(|p| goal.with(tcx, p)); // FIXME(-Znext-solver=coinductive): Should this be `GoalSource::ImplWhereBound`? - ecx.add_goals( - GoalSource::Misc, - nested_obligations.predicates.into_iter().map(|p| goal.with(tcx, p)), - ); + ecx.add_goals(GoalSource::Misc, nested_obligations); ecx.evaluate_added_goals_and_make_canonical_response(Certainty::Yes) }) } fn consider_builtin_sized_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } @@ -211,9 +209,9 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_copy_clone_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } @@ -226,28 +224,20 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_pointer_like_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } - // The regions of a type don't affect the size of the type let tcx = ecx.interner(); - // We should erase regions from both the param-env and type, since both - // may have infer regions. Specifically, after canonicalizing and instantiating, - // early bound regions turn into region vars in both the new and old solver. - let key = tcx.erase_regions(goal.param_env.and(goal.predicate.self_ty())); // But if there are inference variables, we have to wait until it's resolved. - if key.has_non_region_infer() { + if (goal.param_env, goal.predicate.self_ty()).has_non_region_infer() { return ecx.forced_ambiguity(MaybeCause::Ambiguity); } - if let Ok(layout) = tcx.layout_of(key) - && layout.layout.is_pointer_like(&tcx.data_layout) - { - // FIXME: We could make this faster by making a no-constraints response + if tcx.layout_is_pointer_like(goal.param_env, goal.predicate.self_ty()) { ecx.probe_builtin_trait_candidate(BuiltinImplSource::Misc) .enter(|ecx| ecx.evaluate_added_goals_and_make_canonical_response(Certainty::Yes)) } else { @@ -256,9 +246,9 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_fn_ptr_trait_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { let self_ty = goal.predicate.self_ty(); match goal.predicate.polarity { // impl FnPtr for FnPtr {} @@ -287,10 +277,10 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_fn_trait_candidates( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, goal_kind: ty::ClosureKind, - ) -> Result>, NoSolution> { + ) -> Result, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } @@ -308,7 +298,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } }; let output_is_sized_pred = tupled_inputs_and_output.map_bound(|(_, output)| { - ty::TraitRef::new(tcx, tcx.require_lang_item(LangItem::Sized, None), [output]) + ty::TraitRef::new(tcx, tcx.require_lang_item(TraitSolverLangItem::Sized), [output]) }); let pred = tupled_inputs_and_output @@ -328,10 +318,10 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_async_fn_trait_candidates( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, goal_kind: ty::ClosureKind, - ) -> Result>, NoSolution> { + ) -> Result, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } @@ -343,13 +333,13 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { goal.predicate.self_ty(), goal_kind, // This region doesn't matter because we're throwing away the coroutine type - tcx.lifetimes.re_static, + Region::new_static(tcx), )?; let output_is_sized_pred = tupled_inputs_and_output_and_coroutine.map_bound( |AsyncCallableRelevantTypes { output_coroutine_ty, .. }| { ty::TraitRef::new( tcx, - tcx.require_lang_item(LangItem::Sized, None), + tcx.require_lang_item(TraitSolverLangItem::Sized), [output_coroutine_ty], ) }, @@ -379,11 +369,11 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_async_fn_kind_helper_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { let [closure_fn_kind_ty, goal_kind_ty] = **goal.predicate.trait_ref.args else { - bug!(); + panic!(); }; let Some(closure_kind) = closure_fn_kind_ty.expect_ty().to_opt_closure_kind() else { @@ -406,9 +396,9 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { /// impl Tuple for (T1, .., Tn) {} /// ``` fn consider_builtin_tuple_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } @@ -422,9 +412,9 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_pointee_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } @@ -434,14 +424,14 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_future_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } - let ty::Coroutine(def_id, _) = *goal.predicate.self_ty().kind() else { + let ty::Coroutine(def_id, _) = goal.predicate.self_ty().kind() else { return Err(NoSolution); }; @@ -460,14 +450,14 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_iterator_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } - let ty::Coroutine(def_id, _) = *goal.predicate.self_ty().kind() else { + let ty::Coroutine(def_id, _) = goal.predicate.self_ty().kind() else { return Err(NoSolution); }; @@ -486,14 +476,14 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_fused_iterator_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } - let ty::Coroutine(def_id, _) = *goal.predicate.self_ty().kind() else { + let ty::Coroutine(def_id, _) = goal.predicate.self_ty().kind() else { return Err(NoSolution); }; @@ -510,14 +500,14 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_async_iterator_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } - let ty::Coroutine(def_id, _) = *goal.predicate.self_ty().kind() else { + let ty::Coroutine(def_id, _) = goal.predicate.self_ty().kind() else { return Err(NoSolution); }; @@ -536,15 +526,15 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_coroutine_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } let self_ty = goal.predicate.self_ty(); - let ty::Coroutine(def_id, args) = *self_ty.kind() else { + let ty::Coroutine(def_id, args) = self_ty.kind() else { return Err(NoSolution); }; @@ -568,9 +558,9 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_discriminant_kind_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } @@ -581,9 +571,9 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_async_destruct_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } @@ -594,9 +584,9 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_destruct_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Result, NoSolution> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } @@ -610,10 +600,12 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } fn consider_builtin_transmute_candidate( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Result>, NoSolution> { - if goal.predicate.polarity != ty::PredicatePolarity::Positive { + _ecx: &mut EvalCtxt<'_, Infcx>, + _goal: Goal, + ) -> Result, NoSolution> { + // TODO: + todo!() + /* if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } @@ -641,6 +633,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { )?; ecx.evaluate_added_goals_and_make_canonical_response(certainty) }) + */ } /// ```ignore (builtin impl example) @@ -651,9 +644,9 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { /// impl<'a, T: Trait + 'a> Unsize for T {} /// ``` fn consider_structural_builtin_unsize_candidates( - ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - goal: Goal<'tcx, Self>, - ) -> Vec>> { + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, + ) -> Vec> { if goal.predicate.polarity != ty::PredicatePolarity::Positive { return vec![]; } @@ -676,7 +669,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { let goal = goal.with(ecx.interner(), (a_ty, b_ty)); match (a_ty.kind(), b_ty.kind()) { - (ty::Infer(ty::TyVar(..)), ..) => bug!("unexpected infer {a_ty:?} {b_ty:?}"), + (ty::Infer(ty::TyVar(..)), ..) => panic!("unexpected infer {a_ty:?} {b_ty:?}"), (_, ty::Infer(ty::TyVar(..))) => { result_to_single(ecx.forced_ambiguity(MaybeCause::Ambiguity)) @@ -684,24 +677,24 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { // Trait upcasting, or `dyn Trait + Auto + 'a` -> `dyn Trait + 'b`. ( - &ty::Dynamic(a_data, a_region, ty::Dyn), - &ty::Dynamic(b_data, b_region, ty::Dyn), + ty::Dynamic(a_data, a_region, ty::Dyn), + ty::Dynamic(b_data, b_region, ty::Dyn), ) => ecx.consider_builtin_dyn_upcast_candidates( goal, a_data, a_region, b_data, b_region, ), // `T` -> `dyn Trait` unsizing. - (_, &ty::Dynamic(b_region, b_data, ty::Dyn)) => result_to_single( + (_, ty::Dynamic(b_region, b_data, ty::Dyn)) => result_to_single( ecx.consider_builtin_unsize_to_dyn_candidate(goal, b_region, b_data), ), // `[T; N]` -> `[T]` unsizing - (&ty::Array(a_elem_ty, ..), &ty::Slice(b_elem_ty)) => { + (ty::Array(a_elem_ty, ..), ty::Slice(b_elem_ty)) => { result_to_single(ecx.consider_builtin_array_unsize(goal, a_elem_ty, b_elem_ty)) } // `Struct` -> `Struct` where `T: Unsize` - (&ty::Adt(a_def, a_args), &ty::Adt(b_def, b_args)) + (ty::Adt(a_def, a_args), ty::Adt(b_def, b_args)) if a_def.is_struct() && a_def == b_def => { result_to_single( @@ -710,7 +703,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } // `(A, B, T)` -> `(A, B, U)` where `T: Unsize` - (&ty::Tuple(a_tys), &ty::Tuple(b_tys)) + (ty::Tuple(a_tys), ty::Tuple(b_tys)) if a_tys.len() == b_tys.len() && !a_tys.is_empty() => { result_to_single(ecx.consider_builtin_tuple_unsize(goal, a_tys, b_tys)) @@ -722,7 +715,11 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } } -impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { +impl EvalCtxt<'_, Infcx> +where + Infcx: SolverDelegate, + I: Interner, +{ /// Trait upcasting allows for coercions between trait objects: /// ```ignore (builtin impl example) /// trait Super {} @@ -734,12 +731,12 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { /// ``` fn consider_builtin_dyn_upcast_candidates( &mut self, - goal: Goal<'tcx, (Ty<'tcx>, Ty<'tcx>)>, - a_data: &'tcx ty::List>, - a_region: ty::Region<'tcx>, - b_data: &'tcx ty::List>, - b_region: ty::Region<'tcx>, - ) -> Vec>> { + goal: Goal, + a_data: I::BoundExistentialPredicates, + a_region: I::Region, + b_data: I::BoundExistentialPredicates, + b_region: I::Region, + ) -> Vec> { let tcx = self.interner(); let Goal { predicate: (a_ty, _b_ty), .. } = goal; @@ -757,7 +754,10 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { a_data.principal(), )); } else if let Some(a_principal) = a_data.principal() { - for new_a_principal in supertraits(tcx, a_principal.with_self_ty(tcx, a_ty)).skip(1) { + for new_a_principal in + Infcx::elaborate_supertraits(self.interner(), a_principal.with_self_ty(tcx, a_ty)) + .skip(1) + { responses.extend(self.consider_builtin_upcast_to_principal( goal, CandidateSource::BuiltinImpl(BuiltinImplSource::TraitUpcasting), @@ -777,15 +777,15 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { fn consider_builtin_unsize_to_dyn_candidate( &mut self, - goal: Goal<'tcx, (Ty<'tcx>, Ty<'tcx>)>, - b_data: &'tcx ty::List>, - b_region: ty::Region<'tcx>, - ) -> Result>, NoSolution> { + goal: Goal, + b_data: I::BoundExistentialPredicates, + b_region: I::Region, + ) -> Result, NoSolution> { let tcx = self.interner(); let Goal { predicate: (a_ty, _), .. } = goal; // Can only unsize to an object-safe trait. - if b_data.principal_def_id().is_some_and(|def_id| !tcx.is_object_safe(def_id)) { + if b_data.principal_def_id().is_some_and(|def_id| !tcx.trait_is_object_safe(def_id)) { return Err(NoSolution); } @@ -794,7 +794,7 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { // (i.e. the principal, all of the associated types match, and any auto traits) ecx.add_goals( GoalSource::ImplWhereBound, - b_data.iter().map(|pred| goal.with(tcx, pred.with_self_ty(tcx, a_ty))), + b_data.into_iter().map(|pred| goal.with(tcx, pred.with_self_ty(tcx, a_ty))), ); // The type must be `Sized` to be unsized. @@ -802,7 +802,11 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { GoalSource::ImplWhereBound, goal.with( tcx, - ty::TraitRef::new(tcx, tcx.require_lang_item(LangItem::Sized, None), [a_ty]), + ty::TraitRef::new( + tcx, + tcx.require_lang_item(TraitSolverLangItem::Sized), + [a_ty], + ), ), ); @@ -814,24 +818,26 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { fn consider_builtin_upcast_to_principal( &mut self, - goal: Goal<'tcx, (Ty<'tcx>, Ty<'tcx>)>, - source: CandidateSource<'tcx>, - a_data: &'tcx ty::List>, - a_region: ty::Region<'tcx>, - b_data: &'tcx ty::List>, - b_region: ty::Region<'tcx>, - upcast_principal: Option>, - ) -> Result>, NoSolution> { + goal: Goal, + source: CandidateSource, + a_data: I::BoundExistentialPredicates, + a_region: I::Region, + b_data: I::BoundExistentialPredicates, + b_region: I::Region, + upcast_principal: Option>>, + ) -> Result, NoSolution> { let param_env = goal.param_env; // We may upcast to auto traits that are either explicitly listed in // the object type's bounds, or implied by the principal trait ref's // supertraits. - let a_auto_traits: FxIndexSet = a_data + let a_auto_traits: FxIndexSet = a_data .auto_traits() + .into_iter() .chain(a_data.principal_def_id().into_iter().flat_map(|principal_def_id| { self.interner() .supertrait_def_ids(principal_def_id) + .into_iter() .filter(|def_id| self.interner().trait_is_auto(*def_id)) })) .collect(); @@ -841,9 +847,9 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { // having any inference side-effects. We process obligations because // unification may initially succeed due to deferred projection equality. let projection_may_match = - |ecx: &mut EvalCtxt<'_, SolverDelegate<'tcx>>, - source_projection: ty::PolyExistentialProjection<'tcx>, - target_projection: ty::PolyExistentialProjection<'tcx>| { + |ecx: &mut EvalCtxt<'_, Infcx>, + source_projection: ty::Binder>, + target_projection: ty::Binder>| { source_projection.item_def_id() == target_projection.item_def_id() && ecx .probe(|_| ProbeKind::UpcastProjectionCompatibility) @@ -875,7 +881,7 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { ty::ExistentialPredicate::Projection(target_projection) => { let target_projection = bound.rebind(target_projection); let mut matching_projections = - a_data.projection_bounds().filter(|source_projection| { + a_data.projection_bounds().into_iter().filter(|source_projection| { projection_may_match(ecx, *source_projection, target_projection) }); let Some(source_projection) = matching_projections.next() else { @@ -900,11 +906,7 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { // Also require that a_ty's lifetime outlives b_ty's lifetime. ecx.add_goal( GoalSource::ImplWhereBound, - Goal::new( - ecx.interner(), - param_env, - ty::Binder::dummy(ty::OutlivesPredicate(a_region, b_region)), - ), + Goal::new(ecx.interner(), param_env, ty::OutlivesPredicate(a_region, b_region)), ); ecx.evaluate_added_goals_and_make_canonical_response(Certainty::Yes) @@ -921,10 +923,10 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { /// `#[rustc_deny_explicit_impl]` in this case. fn consider_builtin_array_unsize( &mut self, - goal: Goal<'tcx, (Ty<'tcx>, Ty<'tcx>)>, - a_elem_ty: Ty<'tcx>, - b_elem_ty: Ty<'tcx>, - ) -> Result>, NoSolution> { + goal: Goal, + a_elem_ty: I::Ty, + b_elem_ty: I::Ty, + ) -> Result, NoSolution> { self.eq(goal.param_env, a_elem_ty, b_elem_ty)?; self.probe_builtin_trait_candidate(BuiltinImplSource::Misc) .enter(|ecx| ecx.evaluate_added_goals_and_make_canonical_response(Certainty::Yes)) @@ -945,26 +947,25 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { /// ``` fn consider_builtin_struct_unsize( &mut self, - goal: Goal<'tcx, (Ty<'tcx>, Ty<'tcx>)>, - def: ty::AdtDef<'tcx>, - a_args: ty::GenericArgsRef<'tcx>, - b_args: ty::GenericArgsRef<'tcx>, - ) -> Result>, NoSolution> { + goal: Goal, + def: I::AdtDef, + a_args: I::GenericArgs, + b_args: I::GenericArgs, + ) -> Result, NoSolution> { let tcx = self.interner(); let Goal { predicate: (_a_ty, b_ty), .. } = goal; - let unsizing_params = tcx.unsizing_params_for_adt(def.did()); + let unsizing_params = tcx.unsizing_params_for_adt(def.def_id()); // We must be unsizing some type parameters. This also implies // that the struct has a tail field. if unsizing_params.is_empty() { return Err(NoSolution); } - let tail_field = def.non_enum_variant().tail(); - let tail_field_ty = tcx.type_of(tail_field.did); + let tail_field_ty = def.struct_tail_ty(tcx).unwrap(); - let a_tail_ty = tail_field_ty.instantiate(tcx, a_args); - let b_tail_ty = tail_field_ty.instantiate(tcx, b_args); + let a_tail_ty = tail_field_ty.instantiate(tcx, &a_args); + let b_tail_ty = tail_field_ty.instantiate(tcx, &b_args); // Instantiate just the unsizing params from B into A. The type after // this instantiation must be equal to B. This is so we don't unsize @@ -973,7 +974,7 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { a_args .iter() .enumerate() - .map(|(i, a)| if unsizing_params.contains(i as u32) { b_args[i] } else { a }), + .map(|(i, a)| if unsizing_params.contains(i as u32) { b_args[i] } else { *a }), ); let unsized_a_ty = Ty::new_adt(tcx, def, new_a_args); @@ -986,7 +987,7 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { tcx, ty::TraitRef::new( tcx, - tcx.require_lang_item(LangItem::Unsize, None), + tcx.require_lang_item(TraitSolverLangItem::Unsize), [a_tail_ty, b_tail_ty], ), ), @@ -1007,10 +1008,10 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { /// ``` fn consider_builtin_tuple_unsize( &mut self, - goal: Goal<'tcx, (Ty<'tcx>, Ty<'tcx>)>, - a_tys: &'tcx ty::List>, - b_tys: &'tcx ty::List>, - ) -> Result>, NoSolution> { + goal: Goal, + a_tys: I::Tys, + b_tys: I::Tys, + ) -> Result, NoSolution> { let tcx = self.interner(); let Goal { predicate: (_a_ty, b_ty), .. } = goal; @@ -1029,7 +1030,7 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { tcx, ty::TraitRef::new( tcx, - tcx.require_lang_item(LangItem::Unsize, None), + tcx.require_lang_item(TraitSolverLangItem::Unsize), [a_last_ty, b_last_ty], ), ), @@ -1044,10 +1045,10 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { // the type's constituent types. fn disqualify_auto_trait_candidate_due_to_possible_impl( &mut self, - goal: Goal<'tcx, TraitPredicate<'tcx>>, - ) -> Option>, NoSolution>> { + goal: Goal>, + ) -> Option, NoSolution>> { let self_ty = goal.predicate.self_ty(); - match *self_ty.kind() { + match self_ty.kind() { // Stall int and float vars until they are resolved to a concrete // numerical type. That's because the check for impls below treats // int vars as matching any impl. Even if we filtered such impls, @@ -1065,13 +1066,15 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { | ty::Alias(ty::Projection | ty::Weak | ty::Inherent, ..) | ty::Placeholder(..) => Some(Err(NoSolution)), - ty::Infer(_) | ty::Bound(_, _) => bug!("unexpected type `{self_ty}`"), + ty::Infer(_) | ty::Bound(_, _) => panic!("unexpected type `{self_ty:?}`"), // Coroutines have one special built-in candidate, `Unpin`, which // takes precedence over the structural auto trait candidate being // assembled. ty::Coroutine(def_id, _) - if self.interner().is_lang_item(goal.predicate.def_id(), LangItem::Unpin) => + if self + .interner() + .is_lang_item(goal.predicate.def_id(), TraitSolverLangItem::Unpin) => { match self.interner().coroutine_movability(def_id) { Movability::Static => Some(Err(NoSolution)), @@ -1144,13 +1147,13 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { /// wrapped in one. fn probe_and_evaluate_goal_for_constituent_tys( &mut self, - source: CandidateSource<'tcx>, - goal: Goal<'tcx, TraitPredicate<'tcx>>, + source: CandidateSource, + goal: Goal>, constituent_tys: impl Fn( - &EvalCtxt<'_, SolverDelegate<'tcx>>, - Ty<'tcx>, - ) -> Result>>, NoSolution>, - ) -> Result>, NoSolution> { + &EvalCtxt<'_, Infcx>, + I::Ty, + ) -> Result>, NoSolution>, + ) -> Result, NoSolution> { self.probe_trait_candidate(source).enter(|ecx| { ecx.add_goals( GoalSource::ImplWhereBound, @@ -1173,8 +1176,8 @@ impl<'tcx> EvalCtxt<'_, SolverDelegate<'tcx>> { #[instrument(level = "trace", skip(self))] pub(super) fn compute_trait_goal( &mut self, - goal: Goal<'tcx, TraitPredicate<'tcx>>, - ) -> QueryResult<'tcx> { + goal: Goal>, + ) -> QueryResult { let candidates = self.assemble_and_evaluate_candidates(goal); self.merge_candidates(candidates) } diff --git a/compiler/rustc_trait_selection/src/solve/inspect/mod.rs b/compiler/rustc_trait_selection/src/solve/inspect/mod.rs deleted file mode 100644 index 60d52305a6be..000000000000 --- a/compiler/rustc_trait_selection/src/solve/inspect/mod.rs +++ /dev/null @@ -1,7 +0,0 @@ -pub use rustc_middle::traits::solve::inspect::*; - -mod build; -pub(in crate::solve) use build::*; - -mod analyse; -pub use analyse::*; diff --git a/compiler/rustc_type_ir/src/inherent.rs b/compiler/rustc_type_ir/src/inherent.rs index 4afb9a2339b0..c790c737fc92 100644 --- a/compiler/rustc_type_ir/src/inherent.rs +++ b/compiler/rustc_type_ir/src/inherent.rs @@ -12,7 +12,7 @@ use rustc_data_structures::fx::FxHashSet; use crate::fold::{TypeFoldable, TypeSuperFoldable}; use crate::relate::Relate; -use crate::solve::{CacheData, CanonicalInput, QueryResult}; +use crate::solve::{CacheData, CanonicalInput, QueryResult, Reveal}; use crate::visit::{Flags, TypeSuperVisitable, TypeVisitable}; use crate::{self as ty, CollectAndApply, Interner, UpcastFrom}; @@ -29,10 +29,14 @@ pub trait Ty>: + Relate + Flags { + fn new_unit(interner: I) -> Self; + fn new_bool(interner: I) -> Self; fn new_u8(interner: I) -> Self; + fn new_usize(interner: I) -> Self; + fn new_infer(interner: I, var: ty::InferTy) -> Self; fn new_var(interner: I, var: ty::TyVid) -> Self; @@ -109,6 +113,10 @@ pub trait Ty>: matches!(self.kind(), ty::Infer(ty::TyVar(_))) } + fn is_fn_ptr(self) -> bool { + matches!(self.kind(), ty::FnPtr(_)) + } + fn fn_sig(self, interner: I) -> ty::Binder> { match self.kind() { ty::FnPtr(sig) => sig, @@ -128,6 +136,49 @@ pub trait Ty>: _ => panic!("Ty::fn_sig() called on non-fn type: {:?}", self), } } + + fn discriminant_ty(self, interner: I) -> I::Ty; + + fn async_destructor_ty(self, interner: I) -> I::Ty; + + /// Returns `true` when the outermost type cannot be further normalized, + /// resolved, or instantiated. This includes all primitive types, but also + /// things like ADTs and trait objects, sice even if their arguments or + /// nested types may be further simplified, the outermost [`ty::TyKind`] or + /// type constructor remains the same. + fn is_known_rigid(self) -> bool { + match self.kind() { + ty::Bool + | ty::Char + | ty::Int(_) + | ty::Uint(_) + | ty::Float(_) + | ty::Adt(_, _) + | ty::Foreign(_) + | ty::Str + | ty::Array(_, _) + | ty::Pat(_, _) + | ty::Slice(_) + | ty::RawPtr(_, _) + | ty::Ref(_, _, _) + | ty::FnDef(_, _) + | ty::FnPtr(_) + | ty::Dynamic(_, _, _) + | ty::Closure(_, _) + | ty::CoroutineClosure(_, _) + | ty::Coroutine(_, _) + | ty::CoroutineWitness(..) + | ty::Never + | ty::Tuple(_) => true, + + ty::Error(_) + | ty::Infer(_) + | ty::Alias(_, _) + | ty::Param(_) + | ty::Bound(_, _) + | ty::Placeholder(_) => false, + } + } } pub trait Tys>: @@ -202,6 +253,12 @@ pub trait Const>: fn new_expr(interner: I, expr: I::ExprConst) -> Self; + fn new_error(interner: I, guar: I::ErrorGuaranteed) -> Self; + + fn new_error_with_message(interner: I, msg: impl ToString) -> Self { + Self::new_error(interner, interner.delay_bug(msg)) + } + fn is_ct_var(self) -> bool { matches!(self.kind(), ty::ConstKind::Infer(ty::InferConst::Var(_))) } @@ -223,6 +280,37 @@ pub trait GenericArg>: + From + From { + fn as_type(&self) -> Option { + if let ty::GenericArgKind::Type(ty) = self.kind() { Some(ty) } else { None } + } + + fn expect_ty(&self) -> I::Ty { + self.as_type().expect("expected a type") + } + + fn as_const(&self) -> Option { + if let ty::GenericArgKind::Const(c) = self.kind() { Some(c) } else { None } + } + + fn expect_const(&self) -> I::Const { + self.as_const().expect("expected a const") + } + + fn as_region(&self) -> Option { + if let ty::GenericArgKind::Lifetime(c) = self.kind() { Some(c) } else { None } + } + + fn expect_region(&self) -> I::Region { + self.as_region().expect("expected a const") + } + + fn is_non_region_infer(self) -> bool { + match self.kind() { + ty::GenericArgKind::Lifetime(_) => false, + ty::GenericArgKind::Type(ty) => ty.is_ty_var(), + ty::GenericArgKind::Const(ct) => ct.is_ct_var(), + } + } } pub trait Term>: @@ -232,7 +320,7 @@ pub trait Term>: if let ty::TermKind::Ty(ty) = self.kind() { Some(ty) } else { None } } - fn expect_type(&self) -> I::Ty { + fn expect_ty(&self) -> I::Ty { self.as_type().expect("expected a type, but found a const") } @@ -250,6 +338,19 @@ pub trait Term>: ty::TermKind::Const(ct) => ct.is_ct_var(), } } + + fn to_alias_term(self) -> Option> { + match self.kind() { + ty::TermKind::Ty(ty) => match ty.kind() { + ty::Alias(_kind, alias_ty) => Some(alias_ty.into()), + _ => None, + }, + ty::TermKind::Const(ct) => match ct.kind() { + ty::ConstKind::Unevaluated(uv) => Some(uv.into()), + _ => None, + }, + } + } } pub trait GenericArgs>: @@ -262,8 +363,17 @@ pub trait GenericArgs>: + Default + Relate { + fn rebase_onto( + self, + interner: I, + source_def_id: I::DefId, + target: I::GenericArgs, + ) -> I::GenericArgs; + fn type_at(self, i: usize) -> I::Ty; + fn region_at(self, i: usize) -> I::Region; + fn identity_for_item(interner: I, def_id: I::DefId) -> I::GenericArgs; fn extend_with_error( @@ -303,6 +413,9 @@ pub trait Predicate>: + UpcastFrom> + UpcastFrom> + UpcastFrom>> + + UpcastFrom> + + UpcastFrom> + + UpcastFrom> + IntoKind>> { fn is_coinductive(self, interner: I) -> bool; @@ -318,9 +431,34 @@ pub trait Clause>: + Eq + TypeFoldable // FIXME: Remove these, uplift the `Upcast` impls. + + UpcastFrom> + UpcastFrom>> + + UpcastFrom> + UpcastFrom>> + + IntoKind>> { + fn as_trait_clause(self) -> Option>> { + self.kind() + .map_bound(|clause| { + if let ty::ClauseKind::Trait(t) = clause { + Some(t) + } else { + None + } + }) + .transpose() + } + fn as_projection_clause(self) -> Option>> { + self.kind() + .map_bound(|clause| { + if let ty::ClauseKind::Projection(p) = clause { + Some(p) + } else { + None + } + }) + .transpose() + } } /// Common capabilities of placeholder kinds @@ -352,18 +490,33 @@ pub trait ParamLike { pub trait AdtDef: Copy + Debug + Hash + Eq { fn def_id(self) -> I::DefId; + fn is_struct(self) -> bool; + + /// Returns the type of the struct tail. + /// + /// Expects the `AdtDef` to be a struct. If it is not, then this will panic. + fn struct_tail_ty(self, interner: I) -> Option>; + fn is_phantom_data(self) -> bool; // FIXME: perhaps use `all_fields` and expose `FieldDef`. - fn all_field_tys(self, interner: I) -> ty::EarlyBinder>; + fn all_field_tys(self, interner: I) -> ty::EarlyBinder>; fn sized_constraint(self, interner: I) -> Option>; } +pub trait ParamEnv: Copy + Debug + Hash + Eq + TypeFoldable { + fn reveal(self) -> Reveal; + + fn caller_bounds(self) -> impl IntoIterator; +} + pub trait Features: Copy { fn generic_const_exprs(self) -> bool; fn coroutine_clone(self) -> bool; + + fn associated_const_equality(self) -> bool; } pub trait EvaluationCache { @@ -392,3 +545,26 @@ pub trait EvaluationCache { available_depth: usize, ) -> Option>; } + +pub trait DefId: Copy + Debug + Hash + Eq + TypeFoldable { + fn as_local(self) -> Option; +} + +pub trait BoundExistentialPredicates: + Copy + + Debug + + Hash + + Eq + + Relate + + IntoIterator>> +{ + fn principal_def_id(self) -> Option; + + fn principal(self) -> Option>>; + + fn auto_traits(self) -> impl IntoIterator; + + fn projection_bounds( + self, + ) -> impl IntoIterator>>; +} diff --git a/compiler/rustc_type_ir/src/interner.rs b/compiler/rustc_type_ir/src/interner.rs index b099f63d3828..59ca95c09cd7 100644 --- a/compiler/rustc_type_ir/src/interner.rs +++ b/compiler/rustc_type_ir/src/interner.rs @@ -1,4 +1,5 @@ use rustc_ast_ir::Movability; +use rustc_index::bit_set::BitSet; use smallvec::SmallVec; use std::fmt::Debug; use std::hash::Hash; @@ -10,7 +11,7 @@ use crate::ir_print::IrPrint; use crate::lang_items::TraitSolverLangItem; use crate::relate::Relate; use crate::solve::inspect::CanonicalGoalEvaluationStep; -use crate::solve::{ExternalConstraintsData, SolverMode}; +use crate::solve::{ExternalConstraintsData, PredefinedOpaquesData, SolverMode}; use crate::visit::{Flags, TypeSuperVisitable, TypeVisitable}; use crate::{self as ty}; @@ -29,9 +30,8 @@ pub trait Interner: + IrPrint> + IrPrint> { - type DefId: Copy + Debug + Hash + Eq + TypeFoldable; + type DefId: DefId; type LocalDefId: Copy + Debug + Hash + Eq + Into + TypeFoldable; - type AdtDef: AdtDef; type GenericArgs: GenericArgs; type GenericArgsSlice: Copy + Debug + Hash + Eq + Deref; @@ -46,18 +46,45 @@ pub trait Interner: + Default; type BoundVarKind: Copy + Debug + Hash + Eq; - type PredefinedOpaques: Copy + Debug + Hash + Eq; - type DefiningOpaqueTypes: Copy + Debug + Hash + Default + Eq + TypeVisitable; + type PredefinedOpaques: Copy + + Debug + + Hash + + Eq + + TypeFoldable + + Deref>; + fn mk_predefined_opaques_in_body( + self, + data: PredefinedOpaquesData, + ) -> Self::PredefinedOpaques; + + type DefiningOpaqueTypes: Copy + + Debug + + Hash + + Default + + Eq + + TypeVisitable + + Deref>; type CanonicalGoalEvaluationStepRef: Copy + Debug + Hash + Eq + Deref>; - type CanonicalVars: Copy + Debug + Hash + Eq + IntoIterator>; + type CanonicalVars: Copy + + Debug + + Hash + + Eq + + IntoIterator> + + Deref]>> + + Default; fn mk_canonical_var_infos(self, infos: &[ty::CanonicalVarInfo]) -> Self::CanonicalVars; - type ExternalConstraints: Copy + Debug + Hash + Eq; + type ExternalConstraints: Copy + + Debug + + Hash + + Eq + + TypeFoldable + + Deref>; fn mk_external_constraints( self, data: ExternalConstraintsData, @@ -76,12 +103,7 @@ pub trait Interner: // Things stored inside of tys type ErrorGuaranteed: Copy + Debug + Hash + Eq; - type BoundExistentialPredicates: Copy - + Debug - + Hash - + Eq - + Relate - + IntoIterator>>; + type BoundExistentialPredicates: BoundExistentialPredicates; type AllocId: Copy + Debug + Hash + Eq; type Pat: Copy + Debug + Hash + Eq + Debug + Relate; type Safety: Safety; @@ -103,7 +125,7 @@ pub trait Interner: type PlaceholderRegion: PlaceholderLike; // Predicates - type ParamEnv: Copy + Debug + Hash + Eq + TypeFoldable; + type ParamEnv: ParamEnv; type Predicate: Predicate; type Clause: Clause; type Clauses: Copy + Debug + Hash + Eq + TypeSuperVisitable + Flags; @@ -123,9 +145,11 @@ pub trait Interner: + IntoIterator>; fn variances_of(self, def_id: Self::DefId) -> Self::VariancesOf; - // FIXME: Remove after uplifting `EarlyBinder` fn type_of(self, def_id: Self::DefId) -> ty::EarlyBinder; + type AdtDef: AdtDef; + fn adt_def(self, adt_def_id: Self::DefId) -> Self::AdtDef; + fn alias_ty_kind(self, alias: ty::AliasTy) -> ty::AliasTyKind; fn alias_term_kind(self, alias: ty::AliasTerm) -> ty::AliasTermKind; @@ -143,6 +167,8 @@ pub trait Interner: I: Iterator, T: CollectAndApply; + fn check_args_compatible(self, def_id: Self::DefId, args: Self::GenericArgs) -> bool; + fn check_and_mk_args( self, def_id: Self::DefId, @@ -187,6 +213,17 @@ pub trait Interner: def_id: Self::DefId, ) -> ty::EarlyBinder>; + fn predicates_of( + self, + def_id: Self::DefId, + ) -> ty::EarlyBinder>; + + fn own_predicates_of( + self, + def_id: Self::DefId, + ) -> ty::EarlyBinder>; + + // FIXME: Rename this so it's obvious it's only *immediate* super predicates. fn super_predicates_of( self, def_id: Self::DefId, @@ -196,7 +233,64 @@ pub trait Interner: fn require_lang_item(self, lang_item: TraitSolverLangItem) -> Self::DefId; + fn is_lang_item(self, def_id: Self::DefId, lang_item: TraitSolverLangItem) -> bool; + fn associated_type_def_ids(self, def_id: Self::DefId) -> impl IntoIterator; + + // FIXME: move `fast_reject` into `rustc_type_ir`. + fn args_may_unify_deep( + self, + obligation_args: Self::GenericArgs, + impl_args: Self::GenericArgs, + ) -> bool; + + fn for_each_relevant_impl( + self, + trait_def_id: Self::DefId, + self_ty: Self::Ty, + f: impl FnMut(Self::DefId), + ); + + fn has_item_definition(self, def_id: Self::DefId) -> bool; + + fn impl_is_default(self, impl_def_id: Self::DefId) -> bool; + + fn impl_trait_ref(self, impl_def_id: Self::DefId) -> ty::EarlyBinder>; + + fn impl_polarity(self, impl_def_id: Self::DefId) -> ty::ImplPolarity; + + fn trait_is_auto(self, trait_def_id: Self::DefId) -> bool; + + fn trait_is_alias(self, trait_def_id: Self::DefId) -> bool; + + fn trait_is_object_safe(self, trait_def_id: Self::DefId) -> bool; + + fn trait_may_be_implemented_via_object(self, trait_def_id: Self::DefId) -> bool; + + fn fn_trait_kind_from_def_id(self, trait_def_id: Self::DefId) -> Option; + + fn async_fn_trait_kind_from_def_id(self, trait_def_id: Self::DefId) -> Option; + + fn supertrait_def_ids(self, trait_def_id: Self::DefId) + -> impl IntoIterator; + + fn delay_bug(self, msg: impl ToString) -> Self::ErrorGuaranteed; + + fn is_general_coroutine(self, coroutine_def_id: Self::DefId) -> bool; + fn coroutine_is_async(self, coroutine_def_id: Self::DefId) -> bool; + fn coroutine_is_gen(self, coroutine_def_id: Self::DefId) -> bool; + fn coroutine_is_async_gen(self, coroutine_def_id: Self::DefId) -> bool; + + fn layout_is_pointer_like(self, param_env: Self::ParamEnv, ty: Self::Ty) -> bool; + + type UnsizingParams: Deref>; + fn unsizing_params_for_adt(self, adt_def_id: Self::DefId) -> Self::UnsizingParams; + + fn find_const_ty_from_env( + self, + param_env: Self::ParamEnv, + placeholder: Self::PlaceholderConst, + ) -> Self::Ty; } /// Imagine you have a function `F: FnOnce(&[T]) -> R`, plus an iterator `iter` diff --git a/compiler/rustc_type_ir/src/lang_items.rs b/compiler/rustc_type_ir/src/lang_items.rs index 9a3b324fcd76..cf5ec1ab3feb 100644 --- a/compiler/rustc_type_ir/src/lang_items.rs +++ b/compiler/rustc_type_ir/src/lang_items.rs @@ -1,8 +1,36 @@ /// Lang items used by the new trait solver. This can be mapped to whatever internal /// representation of `LangItem`s used in the underlying compiler implementation. pub enum TraitSolverLangItem { - Future, - FutureOutput, + // tidy-alphabetical-start + AsyncDestruct, AsyncFnKindHelper, AsyncFnKindUpvars, + AsyncFnOnceOutput, + AsyncIterator, + CallOnceFuture, + CallRefFuture, + Clone, + Copy, + Coroutine, + CoroutineReturn, + CoroutineYield, + Destruct, + DiscriminantKind, + DynMetadata, + FnPtrTrait, + FusedIterator, + Future, + FutureOutput, + Iterator, + Metadata, + Option, + PointeeTrait, + PointerLike, + Poll, + Sized, + TransmuteTrait, + Tuple, + Unpin, + Unsize, + // tidy-alphabetical-end } diff --git a/compiler/rustc_type_ir/src/predicate.rs b/compiler/rustc_type_ir/src/predicate.rs index c0713dc50d26..bf39f9202760 100644 --- a/compiler/rustc_type_ir/src/predicate.rs +++ b/compiler/rustc_type_ir/src/predicate.rs @@ -7,7 +7,7 @@ use rustc_type_ir_macros::{Lift_Generic, TypeFoldable_Generic, TypeVisitable_Gen use crate::inherent::*; use crate::lift::Lift; -use crate::upcast::Upcast; +use crate::upcast::{Upcast, UpcastFrom}; use crate::visit::TypeVisitableExt as _; use crate::{self as ty, Interner}; @@ -166,6 +166,12 @@ impl ty::Binder> { } } +impl UpcastFrom> for TraitPredicate { + fn upcast_from(from: TraitRef, _tcx: I) -> Self { + TraitPredicate { trait_ref: from, polarity: PredicatePolarity::Positive } + } +} + impl fmt::Debug for TraitPredicate { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { // FIXME(effects) printing? From 7d2be888b6b90ec259922c683bbb18f382e4c9b4 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Mon, 17 Jun 2024 19:09:46 -0400 Subject: [PATCH 1672/1716] Fix impl for SolverDelegate --- compiler/rustc_next_trait_solver/src/infcx.rs | 8 + .../src/solve/eval_ctxt/canonical.rs | 32 ++ .../src/solve/eval_ctxt/mod.rs | 25 ++ .../src/solve/inspect/mod.rs | 2 + .../src/solve/search_graph.rs | 16 +- compiler/rustc_trait_selection/src/solve.rs | 12 + .../src/solve/fulfill.rs | 18 +- .../rustc_trait_selection/src/solve/infcx.rs | 297 ++++++++++++++++-- .../src/solve/inspect.rs | 4 + .../src/solve/inspect/analyse.rs | 54 +--- .../src/traits/select/mod.rs | 2 +- 11 files changed, 385 insertions(+), 85 deletions(-) create mode 100644 compiler/rustc_trait_selection/src/solve.rs create mode 100644 compiler/rustc_trait_selection/src/solve/inspect.rs diff --git a/compiler/rustc_next_trait_solver/src/infcx.rs b/compiler/rustc_next_trait_solver/src/infcx.rs index e1d5c37fadaf..e0ce6c937a02 100644 --- a/compiler/rustc_next_trait_solver/src/infcx.rs +++ b/compiler/rustc_next_trait_solver/src/infcx.rs @@ -9,6 +9,8 @@ pub trait SolverDelegate: Sized { type Interner: Interner; fn interner(&self) -> Self::Interner; + type Span: Copy; + fn solver_mode(&self) -> SolverMode; fn build_with_canonical( @@ -57,6 +59,12 @@ pub trait SolverDelegate: Sized { def_id: ::DefId, ) -> ::GenericArgs; + fn fresh_var_for_kind_with_span( + &self, + arg: ::GenericArg, + span: Self::Span, + ) -> ::GenericArg; + fn instantiate_binder_with_infer + Copy>( &self, value: ty::Binder, diff --git a/compiler/rustc_next_trait_solver/src/solve/eval_ctxt/canonical.rs b/compiler/rustc_next_trait_solver/src/solve/eval_ctxt/canonical.rs index e4b54fff0b3a..29222c6a05e3 100644 --- a/compiler/rustc_next_trait_solver/src/solve/eval_ctxt/canonical.rs +++ b/compiler/rustc_next_trait_solver/src/solve/eval_ctxt/canonical.rs @@ -394,3 +394,35 @@ where state, ) } + +// FIXME: needs to be pub to be accessed by downstream +// `rustc_trait_selection::solve::inspect::analyse`. +pub fn instantiate_canonical_state>( + infcx: &Infcx, + span: Infcx::Span, + param_env: I::ParamEnv, + orig_values: &mut Vec, + state: inspect::CanonicalState, +) -> T +where + Infcx: SolverDelegate, + I: Interner, +{ + // In case any fresh inference variables have been created between `state` + // and the previous instantiation, extend `orig_values` for it. + assert!(orig_values.len() <= state.value.var_values.len()); + for &arg in &state.value.var_values.var_values[orig_values.len()..state.value.var_values.len()] + { + // FIXME: This is so ugly. + let unconstrained = infcx.fresh_var_for_kind_with_span(arg, span); + orig_values.push(unconstrained); + } + + let instantiation = + EvalCtxt::compute_query_response_instantiation_values(infcx, orig_values, &state); + + let inspect::State { var_values, data } = infcx.instantiate_canonical(state, instantiation); + + EvalCtxt::unify_query_var_values(infcx, param_env, orig_values, var_values); + data +} diff --git a/compiler/rustc_next_trait_solver/src/solve/eval_ctxt/mod.rs b/compiler/rustc_next_trait_solver/src/solve/eval_ctxt/mod.rs index 6d0fee955b93..54c669f1e847 100644 --- a/compiler/rustc_next_trait_solver/src/solve/eval_ctxt/mod.rs +++ b/compiler/rustc_next_trait_solver/src/solve/eval_ctxt/mod.rs @@ -127,6 +127,17 @@ pub trait SolverDelegateEvalExt: SolverDelegate { goal: Goal::Predicate>, generate_proof_tree: GenerateProofTree, ) -> (Result<(bool, Certainty), NoSolution>, Option>); + + // FIXME: This is only exposed because we need to use it in `analyse.rs` + // which is not yet uplifted. Once that's done, we should remove this. + fn evaluate_root_goal_raw( + &self, + goal: Goal::Predicate>, + generate_proof_tree: GenerateProofTree, + ) -> ( + Result<(NestedNormalizationGoals, bool, Certainty), NoSolution>, + Option>, + ); } impl SolverDelegateEvalExt for Infcx @@ -148,6 +159,20 @@ where ecx.evaluate_goal(GoalEvaluationKind::Root, GoalSource::Misc, goal) }) } + + #[instrument(level = "debug", skip(self))] + fn evaluate_root_goal_raw( + &self, + goal: Goal, + generate_proof_tree: GenerateProofTree, + ) -> ( + Result<(NestedNormalizationGoals, bool, Certainty), NoSolution>, + Option>, + ) { + EvalCtxt::enter_root(self, generate_proof_tree, |ecx| { + ecx.evaluate_goal_raw(GoalEvaluationKind::Root, GoalSource::Misc, goal) + }) + } } impl<'a, Infcx, I> EvalCtxt<'a, Infcx> diff --git a/compiler/rustc_next_trait_solver/src/solve/inspect/mod.rs b/compiler/rustc_next_trait_solver/src/solve/inspect/mod.rs index 65f32f1947fe..0d8c00601269 100644 --- a/compiler/rustc_next_trait_solver/src/solve/inspect/mod.rs +++ b/compiler/rustc_next_trait_solver/src/solve/inspect/mod.rs @@ -2,3 +2,5 @@ pub use rustc_type_ir::solve::inspect::*; mod build; pub(in crate::solve) use build::*; + +pub use crate::solve::eval_ctxt::canonical::instantiate_canonical_state; diff --git a/compiler/rustc_next_trait_solver/src/solve/search_graph.rs b/compiler/rustc_next_trait_solver/src/solve/search_graph.rs index d50ff2f8debb..10507a507559 100644 --- a/compiler/rustc_next_trait_solver/src/solve/search_graph.rs +++ b/compiler/rustc_next_trait_solver/src/solve/search_graph.rs @@ -12,7 +12,7 @@ use crate::solve::{ }; #[derive(Copy, Clone, PartialEq, Eq, Debug)] -pub struct Limit(usize); +pub struct SolverLimit(usize); rustc_index::newtype_index! { #[orderable] @@ -35,7 +35,7 @@ bitflags::bitflags! { struct StackEntry { input: CanonicalInput, - available_depth: Limit, + available_depth: SolverLimit, /// The maximum depth reached by this stack entry, only up-to date /// for the top of the stack and lazily updated for the rest. @@ -164,19 +164,19 @@ impl SearchGraph { fn allowed_depth_for_nested( tcx: I, stack: &IndexVec>, - ) -> Option { + ) -> Option { if let Some(last) = stack.raw.last() { if last.available_depth.0 == 0 { return None; } Some(if last.encountered_overflow { - Limit(last.available_depth.0 / 4) + SolverLimit(last.available_depth.0 / 4) } else { - Limit(last.available_depth.0 - 1) + SolverLimit(last.available_depth.0 - 1) }) } else { - Some(Limit(tcx.recursion_limit())) + Some(SolverLimit(tcx.recursion_limit())) } } @@ -414,12 +414,12 @@ impl SearchGraph { &mut self, tcx: I, input: CanonicalInput, - available_depth: Limit, + available_depth: SolverLimit, inspect: &mut ProofTreeBuilder, ) -> Option> { let CacheData { result, proof_tree, additional_depth, encountered_overflow } = self .global_cache(tcx) - // TODO: Awkward `Limit -> usize -> Limit`. + // FIXME: Awkward `Limit -> usize -> Limit`. .get(tcx, input, self.stack.iter().map(|e| e.input), available_depth.0)?; // If we're building a proof tree and the current cache entry does not diff --git a/compiler/rustc_trait_selection/src/solve.rs b/compiler/rustc_trait_selection/src/solve.rs new file mode 100644 index 000000000000..a7c8cc5a32b6 --- /dev/null +++ b/compiler/rustc_trait_selection/src/solve.rs @@ -0,0 +1,12 @@ +pub use rustc_next_trait_solver::solve::*; + +mod fulfill; +mod infcx; +pub mod inspect; +mod normalize; +mod select; + +pub use fulfill::{FulfillmentCtxt, NextSolverError}; +pub(crate) use normalize::deeply_normalize_for_diagnostics; +pub use normalize::{deeply_normalize, deeply_normalize_with_skipped_universes}; +pub use select::InferCtxtSelectExt; diff --git a/compiler/rustc_trait_selection/src/solve/fulfill.rs b/compiler/rustc_trait_selection/src/solve/fulfill.rs index 3c01d1a65f50..8937ed467a1f 100644 --- a/compiler/rustc_trait_selection/src/solve/fulfill.rs +++ b/compiler/rustc_trait_selection/src/solve/fulfill.rs @@ -12,13 +12,14 @@ use rustc_infer::traits::{ use rustc_middle::bug; use rustc_middle::ty::error::{ExpectedFound, TypeError}; use rustc_middle::ty::{self, TyCtxt}; +use rustc_next_trait_solver::solve::{GenerateProofTree, SolverDelegateEvalExt as _}; use rustc_span::symbol::sym; use crate::traits::{FulfillmentError, FulfillmentErrorCode, ScrubbedTraitError}; -use super::eval_ctxt::GenerateProofTree; +use super::infcx::SolverDelegate; use super::inspect::{self, ProofTreeInferCtxtExt, ProofTreeVisitor}; -use super::{Certainty, InferCtxtEvalExt}; +use super::Certainty; /// A trait engine using the new trait solver. /// @@ -83,7 +84,9 @@ impl<'tcx> ObligationStorage<'tcx> { // change. self.overflowed.extend(self.pending.extract_if(|o| { let goal = o.clone().into(); - let result = infcx.evaluate_root_goal(goal, GenerateProofTree::No).0; + let result = <&SolverDelegate<'tcx>>::from(infcx) + .evaluate_root_goal(goal, GenerateProofTree::No) + .0; match result { Ok((has_changed, _)) => has_changed, _ => false, @@ -165,7 +168,9 @@ where let mut has_changed = false; for obligation in self.obligations.unstalled_for_select() { let goal = obligation.clone().into(); - let result = infcx.evaluate_root_goal(goal, GenerateProofTree::No).0; + let result = <&SolverDelegate<'tcx>>::from(infcx) + .evaluate_root_goal(goal, GenerateProofTree::No) + .0; self.inspect_evaluated_obligation(infcx, &obligation, &result); let (changed, certainty) = match result { Ok(result) => result, @@ -288,7 +293,10 @@ fn fulfillment_error_for_stalled<'tcx>( root_obligation: PredicateObligation<'tcx>, ) -> FulfillmentError<'tcx> { let (code, refine_obligation) = infcx.probe(|_| { - match infcx.evaluate_root_goal(root_obligation.clone().into(), GenerateProofTree::No).0 { + match <&SolverDelegate<'tcx>>::from(infcx) + .evaluate_root_goal(root_obligation.clone().into(), GenerateProofTree::No) + .0 + { Ok((_, Certainty::Maybe(MaybeCause::Ambiguity))) => { (FulfillmentErrorCode::Ambiguity { overflow: None }, true) } diff --git a/compiler/rustc_trait_selection/src/solve/infcx.rs b/compiler/rustc_trait_selection/src/solve/infcx.rs index c73c49aa9b8a..2a5aaa26f3fa 100644 --- a/compiler/rustc_trait_selection/src/solve/infcx.rs +++ b/compiler/rustc_trait_selection/src/solve/infcx.rs @@ -1,14 +1,25 @@ use std::ops::Deref; +use rustc_data_structures::fx::FxHashSet; use rustc_hir::def_id::{DefId, LocalDefId}; -use rustc_infer::infer::{BoundRegionConversionTime, InferCtxt}; +use rustc_infer::infer::canonical::query_response::make_query_region_constraints; +use rustc_infer::infer::canonical::{ + Canonical, CanonicalExt as _, CanonicalVarInfo, CanonicalVarValues, +}; +use rustc_infer::infer::{ + BoundRegionConversionTime, InferCtxt, RegionVariableOrigin, SubregionOrigin, TyCtxtInferExt, +}; use rustc_infer::traits::solve::Goal; -use rustc_infer::traits::ObligationCause; +use rustc_infer::traits::util::supertraits; +use rustc_infer::traits::{ObligationCause, Reveal}; use rustc_middle::ty::fold::TypeFoldable; -use rustc_middle::ty::{self, Ty, TyCtxt}; -use rustc_span::DUMMY_SP; +use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitableExt as _}; +use rustc_span::{ErrorGuaranteed, Span, DUMMY_SP}; use rustc_type_ir::relate::Relate; -use rustc_type_ir::solve::NoSolution; +use rustc_type_ir::solve::{NoSolution, SolverMode}; + +use crate::traits::coherence::trait_ref_is_knowable; +use crate::traits::specialization_graph; #[repr(transparent)] pub struct SolverDelegate<'tcx>(InferCtxt<'tcx>); @@ -32,7 +43,43 @@ impl<'tcx> rustc_next_trait_solver::infcx::SolverDelegate for SolverDelegate<'tc type Interner = TyCtxt<'tcx>; fn interner(&self) -> TyCtxt<'tcx> { - (**self).tcx + self.0.tcx + } + + type Span = Span; + + fn solver_mode(&self) -> ty::solve::SolverMode { + match self.intercrate { + true => SolverMode::Coherence, + false => SolverMode::Normal, + } + } + + fn build_with_canonical( + interner: TyCtxt<'tcx>, + solver_mode: SolverMode, + canonical: &Canonical<'tcx, V>, + ) -> (Self, V, CanonicalVarValues<'tcx>) + where + V: TypeFoldable>, + { + let (infcx, value, vars) = interner + .infer_ctxt() + .with_next_trait_solver(true) + .intercrate(match solver_mode { + SolverMode::Normal => false, + SolverMode::Coherence => true, + }) + .build_with_canonical(DUMMY_SP, canonical); + (SolverDelegate(infcx), value, vars) + } + + fn universe(&self) -> ty::UniverseIndex { + self.0.universe() + } + + fn create_next_universe(&self) -> ty::UniverseIndex { + self.0.create_next_universe() } fn universe_of_ty(&self, vid: ty::TyVid) -> Option { @@ -40,14 +87,14 @@ impl<'tcx> rustc_next_trait_solver::infcx::SolverDelegate for SolverDelegate<'tc // ty infers will give you the universe of the var it resolved to not the universe // it actually had. It also means that if you have a `?0.1` and infer it to `u8` then // try to print out `?0.1` it will just print `?0`. - match (**self).probe_ty_var(vid) { + match self.0.probe_ty_var(vid) { Err(universe) => Some(universe), Ok(_) => None, } } fn universe_of_lt(&self, lt: ty::RegionVid) -> Option { - match (**self).inner.borrow_mut().unwrap_region_constraints().probe_value(lt) { + match self.0.inner.borrow_mut().unwrap_region_constraints().probe_value(lt) { Err(universe) => Some(universe), Ok(_) => None, } @@ -55,81 +102,95 @@ impl<'tcx> rustc_next_trait_solver::infcx::SolverDelegate for SolverDelegate<'tc fn universe_of_ct(&self, ct: ty::ConstVid) -> Option { // Same issue as with `universe_of_ty` - match (**self).probe_const_var(ct) { + match self.0.probe_const_var(ct) { Err(universe) => Some(universe), Ok(_) => None, } } fn root_ty_var(&self, var: ty::TyVid) -> ty::TyVid { - (**self).root_var(var) + self.0.root_var(var) } fn root_const_var(&self, var: ty::ConstVid) -> ty::ConstVid { - (**self).root_const_var(var) + self.0.root_const_var(var) } fn opportunistic_resolve_ty_var(&self, vid: ty::TyVid) -> Ty<'tcx> { - match (**self).probe_ty_var(vid) { + match self.0.probe_ty_var(vid) { Ok(ty) => ty, - Err(_) => Ty::new_var((**self).tcx, (**self).root_var(vid)), + Err(_) => Ty::new_var(self.0.tcx, self.0.root_var(vid)), } } fn opportunistic_resolve_int_var(&self, vid: ty::IntVid) -> Ty<'tcx> { - (**self).opportunistic_resolve_int_var(vid) + self.0.opportunistic_resolve_int_var(vid) } fn opportunistic_resolve_float_var(&self, vid: ty::FloatVid) -> Ty<'tcx> { - (**self).opportunistic_resolve_float_var(vid) + self.0.opportunistic_resolve_float_var(vid) } fn opportunistic_resolve_ct_var(&self, vid: ty::ConstVid) -> ty::Const<'tcx> { - match (**self).probe_const_var(vid) { + match self.0.probe_const_var(vid) { Ok(ct) => ct, - Err(_) => ty::Const::new_var((**self).tcx, (**self).root_const_var(vid)), + Err(_) => ty::Const::new_var(self.0.tcx, self.0.root_const_var(vid)), } } fn opportunistic_resolve_effect_var(&self, vid: ty::EffectVid) -> ty::Const<'tcx> { - match (**self).probe_effect_var(vid) { + match self.0.probe_effect_var(vid) { Some(ct) => ct, None => ty::Const::new_infer( - (**self).tcx, - ty::InferConst::EffectVar((**self).root_effect_var(vid)), + self.0.tcx, + ty::InferConst::EffectVar(self.0.root_effect_var(vid)), ), } } fn opportunistic_resolve_lt_var(&self, vid: ty::RegionVid) -> ty::Region<'tcx> { - (**self) + self.0 .inner .borrow_mut() .unwrap_region_constraints() - .opportunistic_resolve_var((**self).tcx, vid) + .opportunistic_resolve_var(self.0.tcx, vid) } fn defining_opaque_types(&self) -> &'tcx ty::List { - (**self).defining_opaque_types() + self.0.defining_opaque_types() } fn next_ty_infer(&self) -> Ty<'tcx> { - (**self).next_ty_var(DUMMY_SP) + self.0.next_ty_var(DUMMY_SP) } fn next_const_infer(&self) -> ty::Const<'tcx> { - (**self).next_const_var(DUMMY_SP) + self.0.next_const_var(DUMMY_SP) } fn fresh_args_for_item(&self, def_id: DefId) -> ty::GenericArgsRef<'tcx> { - (**self).fresh_args_for_item(DUMMY_SP, def_id) + self.0.fresh_args_for_item(DUMMY_SP, def_id) } - fn instantiate_binder_with_infer + Copy>( + fn fresh_var_for_kind_with_span( + &self, + arg: ty::GenericArg<'tcx>, + span: Span, + ) -> ty::GenericArg<'tcx> { + match arg.unpack() { + ty::GenericArgKind::Lifetime(_) => { + self.next_region_var(RegionVariableOrigin::MiscVariable(span)).into() + } + ty::GenericArgKind::Type(_) => self.next_ty_var(span).into(), + ty::GenericArgKind::Const(_) => self.next_const_var(span).into(), + } + } + + fn instantiate_binder_with_infer> + Copy>( &self, value: ty::Binder<'tcx, T>, ) -> T { - (**self).instantiate_binder_with_fresh_vars( + self.0.instantiate_binder_with_fresh_vars( DUMMY_SP, BoundRegionConversionTime::HigherRankedType, value, @@ -141,7 +202,7 @@ impl<'tcx> rustc_next_trait_solver::infcx::SolverDelegate for SolverDelegate<'tc value: ty::Binder<'tcx, T>, f: impl FnOnce(T) -> U, ) -> U { - (**self).enter_forall(value, f) + self.0.enter_forall(value, f) } fn relate>>( @@ -151,7 +212,7 @@ impl<'tcx> rustc_next_trait_solver::infcx::SolverDelegate for SolverDelegate<'tc variance: ty::Variance, rhs: T, ) -> Result>>, NoSolution> { - (**self).at(&ObligationCause::dummy(), param_env).relate_no_trace(lhs, variance, rhs) + self.0.at(&ObligationCause::dummy(), param_env).relate_no_trace(lhs, variance, rhs) } fn eq_structurally_relating_aliases>>( @@ -160,7 +221,7 @@ impl<'tcx> rustc_next_trait_solver::infcx::SolverDelegate for SolverDelegate<'tc lhs: T, rhs: T, ) -> Result>>, NoSolution> { - (**self) + self.0 .at(&ObligationCause::dummy(), param_env) .eq_structurally_relating_aliases_no_trace(lhs, rhs) } @@ -169,10 +230,180 @@ impl<'tcx> rustc_next_trait_solver::infcx::SolverDelegate for SolverDelegate<'tc where T: TypeFoldable>, { - (**self).resolve_vars_if_possible(value) + self.0.resolve_vars_if_possible(value) } fn probe(&self, probe: impl FnOnce() -> T) -> T { - (**self).probe(|_| probe()) + self.0.probe(|_| probe()) + } + + fn leak_check(&self, max_input_universe: ty::UniverseIndex) -> Result<(), NoSolution> { + self.0.leak_check(max_input_universe, None).map_err(|_| NoSolution) + } + + fn elaborate_supertraits( + interner: TyCtxt<'tcx>, + trait_ref: ty::Binder<'tcx, ty::TraitRef<'tcx>>, + ) -> impl Iterator>> { + supertraits(interner, trait_ref) + } + + fn try_const_eval_resolve( + &self, + param_env: ty::ParamEnv<'tcx>, + unevaluated: ty::UnevaluatedConst<'tcx>, + ) -> Option> { + use rustc_middle::mir::interpret::ErrorHandled; + match self.const_eval_resolve(param_env, unevaluated, DUMMY_SP) { + Ok(Some(val)) => Some(ty::Const::new_value( + self.tcx, + val, + self.tcx.type_of(unevaluated.def).instantiate(self.tcx, unevaluated.args), + )), + Ok(None) | Err(ErrorHandled::TooGeneric(_)) => None, + Err(ErrorHandled::Reported(e, _)) => Some(ty::Const::new_error(self.tcx, e.into())), + } + } + + fn sub_regions(&self, sub: ty::Region<'tcx>, sup: ty::Region<'tcx>) { + self.0.sub_regions(SubregionOrigin::RelateRegionParamBound(DUMMY_SP), sub, sup) + } + + fn register_ty_outlives(&self, ty: Ty<'tcx>, r: ty::Region<'tcx>) { + self.0.register_region_obligation_with_cause(ty, r, &ObligationCause::dummy()); + } + + fn well_formed_goals( + &self, + param_env: ty::ParamEnv<'tcx>, + arg: ty::GenericArg<'tcx>, + ) -> Option>>> { + crate::traits::wf::unnormalized_obligations(&self.0, param_env, arg).map(|obligations| { + obligations.into_iter().map(|obligation| obligation.into()).collect() + }) + } + + fn clone_opaque_types_for_query_response(&self) -> Vec<(ty::OpaqueTypeKey<'tcx>, Ty<'tcx>)> { + self.0.clone_opaque_types_for_query_response() + } + + fn make_deduplicated_outlives_constraints( + &self, + ) -> Vec>> { + // Cannot use `take_registered_region_obligations` as we may compute the response + // inside of a `probe` whenever we have multiple choices inside of the solver. + let region_obligations = self.0.inner.borrow().region_obligations().to_owned(); + let region_constraints = self.0.with_region_constraints(|region_constraints| { + make_query_region_constraints( + self.tcx, + region_obligations + .iter() + .map(|r_o| (r_o.sup_type, r_o.sub_region, r_o.origin.to_constraint_category())), + region_constraints, + ) + }); + + assert_eq!(region_constraints.member_constraints, vec![]); + + let mut seen = FxHashSet::default(); + region_constraints + .outlives + .into_iter() + .filter(|&(outlives, _)| seen.insert(outlives)) + .map(|(outlives, _)| outlives) + .collect() + } + + fn instantiate_canonical( + &self, + canonical: Canonical<'tcx, V>, + values: CanonicalVarValues<'tcx>, + ) -> V + where + V: TypeFoldable>, + { + canonical.instantiate(self.tcx, &values) + } + + fn instantiate_canonical_var_with_infer( + &self, + cv_info: CanonicalVarInfo<'tcx>, + universe_map: impl Fn(ty::UniverseIndex) -> ty::UniverseIndex, + ) -> ty::GenericArg<'tcx> { + self.0.instantiate_canonical_var(DUMMY_SP, cv_info, universe_map) + } + + fn insert_hidden_type( + &self, + opaque_type_key: ty::OpaqueTypeKey<'tcx>, + param_env: ty::ParamEnv<'tcx>, + hidden_ty: Ty<'tcx>, + goals: &mut Vec>>, + ) -> Result<(), NoSolution> { + self.0 + .insert_hidden_type(opaque_type_key, DUMMY_SP, param_env, hidden_ty, goals) + .map_err(|_| NoSolution) + } + + fn add_item_bounds_for_hidden_type( + &self, + def_id: DefId, + args: ty::GenericArgsRef<'tcx>, + param_env: ty::ParamEnv<'tcx>, + hidden_ty: Ty<'tcx>, + goals: &mut Vec>>, + ) { + self.0.add_item_bounds_for_hidden_type(def_id, args, param_env, hidden_ty, goals); + } + + fn inject_new_hidden_type_unchecked(&self, key: ty::OpaqueTypeKey<'tcx>, hidden_ty: Ty<'tcx>) { + self.0.inject_new_hidden_type_unchecked( + key, + ty::OpaqueHiddenType { ty: hidden_ty, span: DUMMY_SP }, + ) + } + + fn reset_opaque_types(&self) { + let _ = self.take_opaque_types(); + } + + fn trait_ref_is_knowable( + &self, + trait_ref: ty::TraitRef<'tcx>, + lazily_normalize_ty: impl FnMut(Ty<'tcx>) -> Result, E>, + ) -> Result { + trait_ref_is_knowable(&self.0, trait_ref, lazily_normalize_ty) + .map(|is_knowable| is_knowable.is_ok()) + } + + fn fetch_eligible_assoc_item( + &self, + param_env: ty::ParamEnv<'tcx>, + goal_trait_ref: ty::TraitRef<'tcx>, + trait_assoc_def_id: DefId, + impl_def_id: DefId, + ) -> Result, NoSolution> { + let node_item = specialization_graph::assoc_def(self.tcx, impl_def_id, trait_assoc_def_id) + .map_err(|ErrorGuaranteed { .. }| NoSolution)?; + + let eligible = if node_item.is_final() { + // Non-specializable items are always projectable. + true + } else { + // Only reveal a specializable default if we're past type-checking + // and the obligation is monomorphic, otherwise passes such as + // transmute checking and polymorphic MIR optimizations could + // get a result which isn't correct for all monomorphizations. + if param_env.reveal() == Reveal::All { + let poly_trait_ref = self.resolve_vars_if_possible(goal_trait_ref); + !poly_trait_ref.still_further_specializable() + } else { + trace!(?node_item.item.def_id, "not eligible due to default"); + false + } + }; + + // FIXME: Check for defaultness here may cause diagnostics problems. + if eligible { Ok(Some(node_item.item.def_id)) } else { Ok(None) } } } diff --git a/compiler/rustc_trait_selection/src/solve/inspect.rs b/compiler/rustc_trait_selection/src/solve/inspect.rs new file mode 100644 index 000000000000..f100a8c2ff0e --- /dev/null +++ b/compiler/rustc_trait_selection/src/solve/inspect.rs @@ -0,0 +1,4 @@ +pub use rustc_next_trait_solver::solve::inspect::*; + +mod analyse; +pub use analyse::*; diff --git a/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs b/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs index db8f15118e14..cb621487125f 100644 --- a/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs +++ b/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs @@ -13,19 +13,16 @@ use rustc_ast_ir::try_visit; use rustc_ast_ir::visit::VisitorResult; use rustc_infer::infer::{DefineOpaqueTypes, InferCtxt, InferOk}; use rustc_macros::extension; -use rustc_middle::traits::query::NoSolution; -use rustc_middle::traits::solve::{inspect, QueryResult}; -use rustc_middle::traits::solve::{Certainty, Goal, MaybeCause}; +use rustc_middle::traits::solve::{Certainty, Goal, GoalSource, NoSolution, QueryResult}; use rustc_middle::traits::ObligationCause; use rustc_middle::ty::{TyCtxt, TypeFoldable}; use rustc_middle::{bug, ty}; use rustc_next_trait_solver::resolve::EagerResolver; +use rustc_next_trait_solver::solve::inspect::{self, instantiate_canonical_state}; +use rustc_next_trait_solver::solve::{GenerateProofTree, MaybeCause, SolverDelegateEvalExt as _}; use rustc_span::{Span, DUMMY_SP}; -use crate::solve::eval_ctxt::canonical; use crate::solve::infcx::SolverDelegate; -use crate::solve::{EvalCtxt, GoalEvaluationKind, GoalSource}; -use crate::solve::{GenerateProofTree, InferCtxtEvalExt}; use crate::traits::ObligationCtxt; pub struct InspectConfig { @@ -33,7 +30,7 @@ pub struct InspectConfig { } pub struct InspectGoal<'a, 'tcx> { - infcx: &'a InferCtxt<'tcx>, + infcx: &'a SolverDelegate<'tcx>, depth: usize, orig_values: Vec>, goal: Goal<'tcx, ty::Predicate<'tcx>>, @@ -163,16 +160,10 @@ impl<'a, 'tcx> InspectCandidate<'a, 'tcx> { match **step { inspect::ProbeStep::AddGoal(source, goal) => instantiated_goals.push(( source, - canonical::instantiate_canonical_state( - infcx, - span, - param_env, - &mut orig_values, - goal, - ), + instantiate_canonical_state(infcx, span, param_env, &mut orig_values, goal), )), inspect::ProbeStep::RecordImplArgs { impl_args } => { - opt_impl_args = Some(canonical::instantiate_canonical_state( + opt_impl_args = Some(instantiate_canonical_state( infcx, span, param_env, @@ -185,13 +176,8 @@ impl<'a, 'tcx> InspectCandidate<'a, 'tcx> { } } - let () = canonical::instantiate_canonical_state( - infcx, - span, - param_env, - &mut orig_values, - self.final_state, - ); + let () = + instantiate_canonical_state(infcx, span, param_env, &mut orig_values, self.final_state); if let Some(term_hack) = self.goal.normalizes_to_term_hack { // FIXME: We ignore the expected term of `NormalizesTo` goals @@ -200,9 +186,8 @@ impl<'a, 'tcx> InspectCandidate<'a, 'tcx> { let _ = term_hack.constrain(infcx, span, param_env); } - let opt_impl_args = opt_impl_args.map(|impl_args| { - impl_args.fold_with(&mut EagerResolver::new(<&SolverDelegate<'tcx>>::from(infcx))) - }); + let opt_impl_args = + opt_impl_args.map(|impl_args| impl_args.fold_with(&mut EagerResolver::new(infcx))); let goals = instantiated_goals .into_iter() @@ -221,16 +206,7 @@ impl<'a, 'tcx> InspectCandidate<'a, 'tcx> { // instantiating the candidate it is already constrained to the result of another // candidate. let proof_tree = infcx - .probe(|_| { - EvalCtxt::enter_root(infcx, GenerateProofTree::Yes, |ecx| { - ecx.evaluate_goal_raw( - GoalEvaluationKind::Root, - GoalSource::Misc, - goal, - ) - }) - }) - .1; + .probe(|_| infcx.evaluate_root_goal_raw(goal, GenerateProofTree::Yes).1); InspectGoal::new( infcx, self.goal.depth + 1, @@ -390,6 +366,8 @@ impl<'a, 'tcx> InspectGoal<'a, 'tcx> { normalizes_to_term_hack: Option>, source: GoalSource, ) -> Self { + let infcx = <&SolverDelegate<'tcx>>::from(infcx); + let inspect::GoalEvaluation { uncanonicalized_goal, orig_values, evaluation } = root; let result = evaluation.result.and_then(|ok| { if let Some(term_hack) = normalizes_to_term_hack { @@ -405,8 +383,7 @@ impl<'a, 'tcx> InspectGoal<'a, 'tcx> { infcx, depth, orig_values, - goal: uncanonicalized_goal - .fold_with(&mut EagerResolver::new(<&SolverDelegate<'tcx>>::from(infcx))), + goal: uncanonicalized_goal.fold_with(&mut EagerResolver::new(infcx)), result, evaluation_kind: evaluation.kind, normalizes_to_term_hack, @@ -452,7 +429,8 @@ impl<'tcx> InferCtxt<'tcx> { depth: usize, visitor: &mut V, ) -> V::Result { - let (_, proof_tree) = self.evaluate_root_goal(goal, GenerateProofTree::Yes); + let (_, proof_tree) = + <&SolverDelegate<'tcx>>::from(self).evaluate_root_goal(goal, GenerateProofTree::Yes); let proof_tree = proof_tree.unwrap(); visitor.visit_goal(&InspectGoal::new(self, depth, proof_tree, None, GoalSource::Misc)) } diff --git a/compiler/rustc_trait_selection/src/traits/select/mod.rs b/compiler/rustc_trait_selection/src/traits/select/mod.rs index b40195857712..fe047f9966f3 100644 --- a/compiler/rustc_trait_selection/src/traits/select/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/select/mod.rs @@ -19,7 +19,7 @@ use super::{ }; use crate::infer::{InferCtxt, InferOk, TypeFreshener}; -use crate::solve::InferCtxtSelectExt; +use crate::solve::InferCtxtSelectExt as _; use crate::traits::error_reporting::TypeErrCtxtExt; use crate::traits::normalize::normalize_with_depth; use crate::traits::normalize::normalize_with_depth_to; From fb6f4b4a6e3fa850d93535c0cbee6cabfb65d6cf Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Mon, 17 Jun 2024 19:12:23 -0400 Subject: [PATCH 1673/1716] Explicitly import tracing macros --- compiler/rustc_next_trait_solver/src/lib.rs | 4 ---- compiler/rustc_next_trait_solver/src/solve/alias_relate.rs | 1 + compiler/rustc_next_trait_solver/src/solve/assembly/mod.rs | 1 + .../src/solve/assembly/structural_traits.rs | 1 + .../src/solve/eval_ctxt/canonical.rs | 1 + compiler/rustc_next_trait_solver/src/solve/eval_ctxt/mod.rs | 1 + .../rustc_next_trait_solver/src/solve/eval_ctxt/probe.rs | 1 + compiler/rustc_next_trait_solver/src/solve/mod.rs | 6 +++--- .../src/solve/normalizes_to/anon_const.rs | 1 + .../rustc_next_trait_solver/src/solve/normalizes_to/mod.rs | 1 + compiler/rustc_next_trait_solver/src/solve/project_goals.rs | 1 + compiler/rustc_next_trait_solver/src/solve/search_graph.rs | 1 + compiler/rustc_next_trait_solver/src/solve/trait_goals.rs | 1 + 13 files changed, 14 insertions(+), 7 deletions(-) diff --git a/compiler/rustc_next_trait_solver/src/lib.rs b/compiler/rustc_next_trait_solver/src/lib.rs index a6002bfd7ca4..79c6925221e1 100644 --- a/compiler/rustc_next_trait_solver/src/lib.rs +++ b/compiler/rustc_next_trait_solver/src/lib.rs @@ -6,10 +6,6 @@ #![feature(let_chains)] -// TODO: remove this, use explicit imports. -#[macro_use] -extern crate tracing; - pub mod canonicalizer; pub mod infcx; pub mod resolve; diff --git a/compiler/rustc_next_trait_solver/src/solve/alias_relate.rs b/compiler/rustc_next_trait_solver/src/solve/alias_relate.rs index 3228146c6890..fbc8ac1d5d5c 100644 --- a/compiler/rustc_next_trait_solver/src/solve/alias_relate.rs +++ b/compiler/rustc_next_trait_solver/src/solve/alias_relate.rs @@ -17,6 +17,7 @@ use rustc_type_ir::inherent::*; use rustc_type_ir::{self as ty, Interner}; +use tracing::{instrument, trace}; use crate::infcx::SolverDelegate; use crate::solve::{Certainty, EvalCtxt, Goal, QueryResult}; diff --git a/compiler/rustc_next_trait_solver/src/solve/assembly/mod.rs b/compiler/rustc_next_trait_solver/src/solve/assembly/mod.rs index 2664b3916e18..9a1537d26060 100644 --- a/compiler/rustc_next_trait_solver/src/solve/assembly/mod.rs +++ b/compiler/rustc_next_trait_solver/src/solve/assembly/mod.rs @@ -7,6 +7,7 @@ use rustc_type_ir::inherent::*; use rustc_type_ir::lang_items::TraitSolverLangItem; use rustc_type_ir::visit::TypeVisitableExt as _; use rustc_type_ir::{self as ty, Interner, Upcast as _}; +use tracing::{debug, instrument}; use crate::infcx::SolverDelegate; use crate::solve::inspect::ProbeKind; diff --git a/compiler/rustc_next_trait_solver/src/solve/assembly/structural_traits.rs b/compiler/rustc_next_trait_solver/src/solve/assembly/structural_traits.rs index eb37add61cc4..202af76565a8 100644 --- a/compiler/rustc_next_trait_solver/src/solve/assembly/structural_traits.rs +++ b/compiler/rustc_next_trait_solver/src/solve/assembly/structural_traits.rs @@ -8,6 +8,7 @@ use rustc_type_ir::inherent::*; use rustc_type_ir::lang_items::TraitSolverLangItem; use rustc_type_ir::{self as ty, Interner, Upcast as _}; use rustc_type_ir_macros::{TypeFoldable_Generic, TypeVisitable_Generic}; +use tracing::instrument; use crate::infcx::SolverDelegate; use crate::solve::{EvalCtxt, Goal, NoSolution}; diff --git a/compiler/rustc_next_trait_solver/src/solve/eval_ctxt/canonical.rs b/compiler/rustc_next_trait_solver/src/solve/eval_ctxt/canonical.rs index 29222c6a05e3..c6611285a3be 100644 --- a/compiler/rustc_next_trait_solver/src/solve/eval_ctxt/canonical.rs +++ b/compiler/rustc_next_trait_solver/src/solve/eval_ctxt/canonical.rs @@ -15,6 +15,7 @@ use rustc_index::IndexVec; use rustc_type_ir::fold::TypeFoldable; use rustc_type_ir::inherent::*; use rustc_type_ir::{self as ty, Canonical, CanonicalVarValues, Interner}; +use tracing::{instrument, trace}; use crate::canonicalizer::{CanonicalizeMode, Canonicalizer}; use crate::infcx::SolverDelegate; diff --git a/compiler/rustc_next_trait_solver/src/solve/eval_ctxt/mod.rs b/compiler/rustc_next_trait_solver/src/solve/eval_ctxt/mod.rs index 54c669f1e847..6775d6ddae45 100644 --- a/compiler/rustc_next_trait_solver/src/solve/eval_ctxt/mod.rs +++ b/compiler/rustc_next_trait_solver/src/solve/eval_ctxt/mod.rs @@ -8,6 +8,7 @@ use rustc_type_ir::relate::Relate; use rustc_type_ir::visit::{TypeSuperVisitable, TypeVisitable, TypeVisitableExt, TypeVisitor}; use rustc_type_ir::{self as ty, CanonicalVarValues, Interner}; use rustc_type_ir_macros::{Lift_Generic, TypeFoldable_Generic, TypeVisitable_Generic}; +use tracing::{instrument, trace}; use crate::infcx::SolverDelegate; use crate::solve::inspect::{self, ProofTreeBuilder}; diff --git a/compiler/rustc_next_trait_solver/src/solve/eval_ctxt/probe.rs b/compiler/rustc_next_trait_solver/src/solve/eval_ctxt/probe.rs index 31edb6354156..1c5358b3edb4 100644 --- a/compiler/rustc_next_trait_solver/src/solve/eval_ctxt/probe.rs +++ b/compiler/rustc_next_trait_solver/src/solve/eval_ctxt/probe.rs @@ -1,6 +1,7 @@ use std::marker::PhantomData; use rustc_type_ir::Interner; +use tracing::instrument; use crate::infcx::SolverDelegate; use crate::solve::assembly::Candidate; diff --git a/compiler/rustc_next_trait_solver/src/solve/mod.rs b/compiler/rustc_next_trait_solver/src/solve/mod.rs index 6c05394504fa..02069016c2bd 100644 --- a/compiler/rustc_next_trait_solver/src/solve/mod.rs +++ b/compiler/rustc_next_trait_solver/src/solve/mod.rs @@ -23,12 +23,12 @@ mod project_goals; mod search_graph; mod trait_goals; -pub use self::eval_ctxt::{EvalCtxt, GenerateProofTree, SolverDelegateEvalExt}; -pub use rustc_type_ir::solve::*; - use rustc_type_ir::inherent::*; +pub use rustc_type_ir::solve::*; use rustc_type_ir::{self as ty, Interner}; +use tracing::instrument; +pub use self::eval_ctxt::{EvalCtxt, GenerateProofTree, SolverDelegateEvalExt}; use crate::infcx::SolverDelegate; /// How many fixpoint iterations we should attempt inside of the solver before bailing diff --git a/compiler/rustc_next_trait_solver/src/solve/normalizes_to/anon_const.rs b/compiler/rustc_next_trait_solver/src/solve/normalizes_to/anon_const.rs index 9f1917fde845..0f1c1f13c165 100644 --- a/compiler/rustc_next_trait_solver/src/solve/normalizes_to/anon_const.rs +++ b/compiler/rustc_next_trait_solver/src/solve/normalizes_to/anon_const.rs @@ -1,4 +1,5 @@ use rustc_type_ir::{self as ty, Interner}; +use tracing::instrument; use crate::infcx::SolverDelegate; use crate::solve::{Certainty, EvalCtxt, Goal, QueryResult}; diff --git a/compiler/rustc_next_trait_solver/src/solve/normalizes_to/mod.rs b/compiler/rustc_next_trait_solver/src/solve/normalizes_to/mod.rs index cbc18449f0a0..ebc83bef5137 100644 --- a/compiler/rustc_next_trait_solver/src/solve/normalizes_to/mod.rs +++ b/compiler/rustc_next_trait_solver/src/solve/normalizes_to/mod.rs @@ -7,6 +7,7 @@ use rustc_type_ir::inherent::*; use rustc_type_ir::lang_items::TraitSolverLangItem; use rustc_type_ir::Upcast as _; use rustc_type_ir::{self as ty, Interner, NormalizesTo}; +use tracing::instrument; use crate::infcx::SolverDelegate; use crate::solve::assembly::structural_traits::{self, AsyncCallableRelevantTypes}; diff --git a/compiler/rustc_next_trait_solver/src/solve/project_goals.rs b/compiler/rustc_next_trait_solver/src/solve/project_goals.rs index b20c274b62ce..4bb1fe5be6f0 100644 --- a/compiler/rustc_next_trait_solver/src/solve/project_goals.rs +++ b/compiler/rustc_next_trait_solver/src/solve/project_goals.rs @@ -1,4 +1,5 @@ use rustc_type_ir::{self as ty, Interner, ProjectionPredicate}; +use tracing::instrument; use crate::infcx::SolverDelegate; use crate::solve::{Certainty, EvalCtxt, Goal, GoalSource, QueryResult}; diff --git a/compiler/rustc_next_trait_solver/src/solve/search_graph.rs b/compiler/rustc_next_trait_solver/src/solve/search_graph.rs index 10507a507559..b923a121d814 100644 --- a/compiler/rustc_next_trait_solver/src/solve/search_graph.rs +++ b/compiler/rustc_next_trait_solver/src/solve/search_graph.rs @@ -4,6 +4,7 @@ use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_index::{Idx, IndexVec}; use rustc_type_ir::inherent::*; use rustc_type_ir::Interner; +use tracing::debug; use crate::infcx::SolverDelegate; use crate::solve::inspect::{self, ProofTreeBuilder}; diff --git a/compiler/rustc_next_trait_solver/src/solve/trait_goals.rs b/compiler/rustc_next_trait_solver/src/solve/trait_goals.rs index 19eee82edc06..7f46d72cba83 100644 --- a/compiler/rustc_next_trait_solver/src/solve/trait_goals.rs +++ b/compiler/rustc_next_trait_solver/src/solve/trait_goals.rs @@ -6,6 +6,7 @@ use rustc_type_ir::inherent::*; use rustc_type_ir::lang_items::TraitSolverLangItem; use rustc_type_ir::visit::TypeVisitableExt as _; use rustc_type_ir::{self as ty, Interner, TraitPredicate, Upcast as _}; +use tracing::{instrument, trace}; use crate::infcx::SolverDelegate; use crate::solve::assembly::structural_traits::{self, AsyncCallableRelevantTypes}; From 6609501ca7d260d9d137e47d1f829eb769ef0e93 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Mon, 17 Jun 2024 19:27:23 -0400 Subject: [PATCH 1674/1716] Fix transmute goal --- compiler/rustc_middle/src/ty/generic_args.rs | 4 +++ compiler/rustc_next_trait_solver/src/infcx.rs | 10 ++++++- .../src/solve/eval_ctxt/mod.rs | 29 +++++++------------ .../src/solve/trait_goals.rs | 25 +++++----------- .../rustc_trait_selection/src/solve/infcx.rs | 28 +++++++++++++++++- compiler/rustc_type_ir/src/inherent.rs | 2 ++ 6 files changed, 59 insertions(+), 39 deletions(-) diff --git a/compiler/rustc_middle/src/ty/generic_args.rs b/compiler/rustc_middle/src/ty/generic_args.rs index 4155b120e51c..83d45ca78d9d 100644 --- a/compiler/rustc_middle/src/ty/generic_args.rs +++ b/compiler/rustc_middle/src/ty/generic_args.rs @@ -61,6 +61,10 @@ impl<'tcx> rustc_type_ir::inherent::GenericArgs> for ty::GenericArg self.region_at(i) } + fn const_at(self, i: usize) -> ty::Const<'tcx> { + self.const_at(i) + } + fn identity_for_item(tcx: TyCtxt<'tcx>, def_id: DefId) -> ty::GenericArgsRef<'tcx> { GenericArgs::identity_for_item(tcx, def_id) } diff --git a/compiler/rustc_next_trait_solver/src/infcx.rs b/compiler/rustc_next_trait_solver/src/infcx.rs index e0ce6c937a02..c249eb94cf65 100644 --- a/compiler/rustc_next_trait_solver/src/infcx.rs +++ b/compiler/rustc_next_trait_solver/src/infcx.rs @@ -2,7 +2,7 @@ use std::fmt::Debug; use rustc_type_ir::fold::TypeFoldable; use rustc_type_ir::relate::Relate; -use rustc_type_ir::solve::{Goal, NoSolution, SolverMode}; +use rustc_type_ir::solve::{Certainty, Goal, NoSolution, SolverMode}; use rustc_type_ir::{self as ty, Interner}; pub trait SolverDelegate: Sized { @@ -194,4 +194,12 @@ pub trait SolverDelegate: Sized { trait_assoc_def_id: ::DefId, impl_def_id: ::DefId, ) -> Result::DefId>, NoSolution>; + + fn is_transmutable( + &self, + param_env: ::ParamEnv, + dst: ::Ty, + src: ::Ty, + assume: ::Const, + ) -> Result; } diff --git a/compiler/rustc_next_trait_solver/src/solve/eval_ctxt/mod.rs b/compiler/rustc_next_trait_solver/src/solve/eval_ctxt/mod.rs index 6775d6ddae45..485758b91a28 100644 --- a/compiler/rustc_next_trait_solver/src/solve/eval_ctxt/mod.rs +++ b/compiler/rustc_next_trait_solver/src/solve/eval_ctxt/mod.rs @@ -890,25 +890,6 @@ where self.infcx.well_formed_goals(param_env, arg) } - /* - pub(super) fn is_transmutable( - &self, - src_and_dst: rustc_transmute::Types, - assume: rustc_transmute::Assume, - ) -> Result { - use rustc_transmute::Answer; - // FIXME(transmutability): This really should be returning nested goals for `Answer::If*` - match rustc_transmute::TransmuteTypeEnv::new(self.infcx).is_transmutable( - ObligationCause::dummy(), - src_and_dst, - assume, - ) { - Answer::Yes => Ok(Certainty::Yes), - Answer::No(_) | Answer::If(_) => Err(NoSolution), - } - } - */ - pub(super) fn trait_ref_is_knowable( &mut self, param_env: I::ParamEnv, @@ -1016,6 +997,16 @@ where ) -> Option { self.infcx.try_const_eval_resolve(param_env, unevaluated) } + + pub(super) fn is_transmutable( + &mut self, + param_env: I::ParamEnv, + dst: I::Ty, + src: I::Ty, + assume: I::Const, + ) -> Result { + self.infcx.is_transmutable(param_env, dst, src, assume) + } } /// Eagerly replace aliases with inference variables, emitting `AliasRelate` diff --git a/compiler/rustc_next_trait_solver/src/solve/trait_goals.rs b/compiler/rustc_next_trait_solver/src/solve/trait_goals.rs index 7f46d72cba83..d1419bf5db9a 100644 --- a/compiler/rustc_next_trait_solver/src/solve/trait_goals.rs +++ b/compiler/rustc_next_trait_solver/src/solve/trait_goals.rs @@ -601,12 +601,10 @@ where } fn consider_builtin_transmute_candidate( - _ecx: &mut EvalCtxt<'_, Infcx>, - _goal: Goal, + ecx: &mut EvalCtxt<'_, Infcx>, + goal: Goal, ) -> Result, NoSolution> { - // TODO: - todo!() - /* if goal.predicate.polarity != ty::PredicatePolarity::Positive { + if goal.predicate.polarity != ty::PredicatePolarity::Positive { return Err(NoSolution); } @@ -615,26 +613,17 @@ where return Err(NoSolution); } - // Erase regions because we compute layouts in `rustc_transmute`, - // which will ICE for region vars. - let args = ecx.interner().erase_regions(goal.predicate.trait_ref.args); - - let Some(assume) = - rustc_transmute::Assume::from_const(ecx.interner(), goal.param_env, args.const_at(2)) - else { - return Err(NoSolution); - }; - // FIXME: This actually should destructure the `Result` we get from transmutability and // register candiates. We probably need to register >1 since we may have an OR of ANDs. ecx.probe_builtin_trait_candidate(BuiltinImplSource::Misc).enter(|ecx| { let certainty = ecx.is_transmutable( - rustc_transmute::Types { dst: args.type_at(0), src: args.type_at(1) }, - assume, + goal.param_env, + goal.predicate.trait_ref.args.type_at(0), + goal.predicate.trait_ref.args.type_at(1), + goal.predicate.trait_ref.args.const_at(2), )?; ecx.evaluate_added_goals_and_make_canonical_response(certainty) }) - */ } /// ```ignore (builtin impl example) diff --git a/compiler/rustc_trait_selection/src/solve/infcx.rs b/compiler/rustc_trait_selection/src/solve/infcx.rs index 2a5aaa26f3fa..e574166cbfc2 100644 --- a/compiler/rustc_trait_selection/src/solve/infcx.rs +++ b/compiler/rustc_trait_selection/src/solve/infcx.rs @@ -16,7 +16,7 @@ use rustc_middle::ty::fold::TypeFoldable; use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitableExt as _}; use rustc_span::{ErrorGuaranteed, Span, DUMMY_SP}; use rustc_type_ir::relate::Relate; -use rustc_type_ir::solve::{NoSolution, SolverMode}; +use rustc_type_ir::solve::{Certainty, NoSolution, SolverMode}; use crate::traits::coherence::trait_ref_is_knowable; use crate::traits::specialization_graph; @@ -406,4 +406,30 @@ impl<'tcx> rustc_next_trait_solver::infcx::SolverDelegate for SolverDelegate<'tc // FIXME: Check for defaultness here may cause diagnostics problems. if eligible { Ok(Some(node_item.item.def_id)) } else { Ok(None) } } + + fn is_transmutable( + &self, + param_env: ty::ParamEnv<'tcx>, + dst: Ty<'tcx>, + src: Ty<'tcx>, + assume: ty::Const<'tcx>, + ) -> Result { + // Erase regions because we compute layouts in `rustc_transmute`, + // which will ICE for region vars. + let (dst, src) = self.tcx.erase_regions((dst, src)); + + let Some(assume) = rustc_transmute::Assume::from_const(self.tcx, param_env, assume) else { + return Err(NoSolution); + }; + + // FIXME(transmutability): This really should be returning nested goals for `Answer::If*` + match rustc_transmute::TransmuteTypeEnv::new(&self.0).is_transmutable( + ObligationCause::dummy(), + rustc_transmute::Types { src, dst }, + assume, + ) { + rustc_transmute::Answer::Yes => Ok(Certainty::Yes), + rustc_transmute::Answer::No(_) | rustc_transmute::Answer::If(_) => Err(NoSolution), + } + } } diff --git a/compiler/rustc_type_ir/src/inherent.rs b/compiler/rustc_type_ir/src/inherent.rs index c790c737fc92..64d3400976a8 100644 --- a/compiler/rustc_type_ir/src/inherent.rs +++ b/compiler/rustc_type_ir/src/inherent.rs @@ -374,6 +374,8 @@ pub trait GenericArgs>: fn region_at(self, i: usize) -> I::Region; + fn const_at(self, i: usize) -> I::Const; + fn identity_for_item(interner: I, def_id: I::DefId) -> I::GenericArgs; fn extend_with_error( From 7321e791141ddf2ec4d5f8a9893146832118bb19 Mon Sep 17 00:00:00 2001 From: Vonr Date: Tue, 18 Jun 2024 23:25:08 +0800 Subject: [PATCH 1675/1716] Replace `move||` with `move ||` in `compiler/` and `library/` Edit from #126631 to revert changes on ui tests --- .../rustc_hir_typeck/src/typeck_root_ctxt.rs | 2 +- library/core/src/sync/atomic.rs | 2 +- library/std/src/sync/barrier.rs | 4 ++-- library/std/src/sync/condvar.rs | 16 ++++++++-------- library/std/src/sync/mpsc/mod.rs | 10 +++++----- library/std/src/thread/local.rs | 2 +- 6 files changed, 18 insertions(+), 18 deletions(-) diff --git a/compiler/rustc_hir_typeck/src/typeck_root_ctxt.rs b/compiler/rustc_hir_typeck/src/typeck_root_ctxt.rs index 28745af3a530..b6e9000ef950 100644 --- a/compiler/rustc_hir_typeck/src/typeck_root_ctxt.rs +++ b/compiler/rustc_hir_typeck/src/typeck_root_ctxt.rs @@ -22,7 +22,7 @@ use std::ops::Deref; /// e.g. closures defined within the function. For example: /// ```ignore (illustrative) /// fn foo() { -/// bar(move|| { ... }) +/// bar(move || { ... }) /// } /// ``` /// Here, the function `foo()` and the closure passed to diff --git a/library/core/src/sync/atomic.rs b/library/core/src/sync/atomic.rs index 482bd19705c2..c709ea2a15db 100644 --- a/library/core/src/sync/atomic.rs +++ b/library/core/src/sync/atomic.rs @@ -183,7 +183,7 @@ //! //! let spinlock_clone = Arc::clone(&spinlock); //! -//! let thread = thread::spawn(move|| { +//! let thread = thread::spawn(move || { //! spinlock_clone.store(0, Ordering::Release); //! }); //! diff --git a/library/std/src/sync/barrier.rs b/library/std/src/sync/barrier.rs index b4bac081e7ab..82cc13a74b7f 100644 --- a/library/std/src/sync/barrier.rs +++ b/library/std/src/sync/barrier.rs @@ -20,7 +20,7 @@ use crate::sync::{Condvar, Mutex}; /// let c = Arc::clone(&barrier); /// // The same messages will be printed together. /// // You will NOT see any interleaving. -/// handles.push(thread::spawn(move|| { +/// handles.push(thread::spawn(move || { /// println!("before wait"); /// c.wait(); /// println!("after wait"); @@ -115,7 +115,7 @@ impl Barrier { /// let c = Arc::clone(&barrier); /// // The same messages will be printed together. /// // You will NOT see any interleaving. - /// handles.push(thread::spawn(move|| { + /// handles.push(thread::spawn(move || { /// println!("before wait"); /// c.wait(); /// println!("after wait"); diff --git a/library/std/src/sync/condvar.rs b/library/std/src/sync/condvar.rs index b20574e4f149..f9f83fb4f63c 100644 --- a/library/std/src/sync/condvar.rs +++ b/library/std/src/sync/condvar.rs @@ -88,7 +88,7 @@ impl WaitTimeoutResult { /// let pair2 = Arc::clone(&pair); /// /// // Inside of our lock, spawn a new thread, and then wait for it to start. -/// thread::spawn(move|| { +/// thread::spawn(move || { /// let (lock, cvar) = &*pair2; /// let mut started = lock.lock().unwrap(); /// *started = true; @@ -166,7 +166,7 @@ impl Condvar { /// let pair = Arc::new((Mutex::new(false), Condvar::new())); /// let pair2 = Arc::clone(&pair); /// - /// thread::spawn(move|| { + /// thread::spawn(move || { /// let (lock, cvar) = &*pair2; /// let mut started = lock.lock().unwrap(); /// *started = true; @@ -221,7 +221,7 @@ impl Condvar { /// let pair = Arc::new((Mutex::new(true), Condvar::new())); /// let pair2 = Arc::clone(&pair); /// - /// thread::spawn(move|| { + /// thread::spawn(move || { /// let (lock, cvar) = &*pair2; /// let mut pending = lock.lock().unwrap(); /// *pending = false; @@ -280,7 +280,7 @@ impl Condvar { /// let pair = Arc::new((Mutex::new(false), Condvar::new())); /// let pair2 = Arc::clone(&pair); /// - /// thread::spawn(move|| { + /// thread::spawn(move || { /// let (lock, cvar) = &*pair2; /// let mut started = lock.lock().unwrap(); /// *started = true; @@ -352,7 +352,7 @@ impl Condvar { /// let pair = Arc::new((Mutex::new(false), Condvar::new())); /// let pair2 = Arc::clone(&pair); /// - /// thread::spawn(move|| { + /// thread::spawn(move || { /// let (lock, cvar) = &*pair2; /// let mut started = lock.lock().unwrap(); /// *started = true; @@ -420,7 +420,7 @@ impl Condvar { /// let pair = Arc::new((Mutex::new(true), Condvar::new())); /// let pair2 = Arc::clone(&pair); /// - /// thread::spawn(move|| { + /// thread::spawn(move || { /// let (lock, cvar) = &*pair2; /// let mut pending = lock.lock().unwrap(); /// *pending = false; @@ -484,7 +484,7 @@ impl Condvar { /// let pair = Arc::new((Mutex::new(false), Condvar::new())); /// let pair2 = Arc::clone(&pair); /// - /// thread::spawn(move|| { + /// thread::spawn(move || { /// let (lock, cvar) = &*pair2; /// let mut started = lock.lock().unwrap(); /// *started = true; @@ -524,7 +524,7 @@ impl Condvar { /// let pair = Arc::new((Mutex::new(false), Condvar::new())); /// let pair2 = Arc::clone(&pair); /// - /// thread::spawn(move|| { + /// thread::spawn(move || { /// let (lock, cvar) = &*pair2; /// let mut started = lock.lock().unwrap(); /// *started = true; diff --git a/library/std/src/sync/mpsc/mod.rs b/library/std/src/sync/mpsc/mod.rs index d353c7bd5de9..feee6948db4f 100644 --- a/library/std/src/sync/mpsc/mod.rs +++ b/library/std/src/sync/mpsc/mod.rs @@ -51,7 +51,7 @@ //! //! // Create a simple streaming channel //! let (tx, rx) = channel(); -//! thread::spawn(move|| { +//! thread::spawn(move || { //! tx.send(10).unwrap(); //! }); //! assert_eq!(rx.recv().unwrap(), 10); @@ -69,7 +69,7 @@ //! let (tx, rx) = channel(); //! for i in 0..10 { //! let tx = tx.clone(); -//! thread::spawn(move|| { +//! thread::spawn(move || { //! tx.send(i).unwrap(); //! }); //! } @@ -99,7 +99,7 @@ //! use std::sync::mpsc::sync_channel; //! //! let (tx, rx) = sync_channel::(0); -//! thread::spawn(move|| { +//! thread::spawn(move || { //! // This will wait for the parent thread to start receiving //! tx.send(53).unwrap(); //! }); @@ -510,7 +510,7 @@ pub enum TrySendError { /// let (sender, receiver) = channel(); /// /// // Spawn off an expensive computation -/// thread::spawn(move|| { +/// thread::spawn(move || { /// # fn expensive_computation() {} /// sender.send(expensive_computation()).unwrap(); /// }); @@ -561,7 +561,7 @@ pub fn channel() -> (Sender, Receiver) { /// // this returns immediately /// sender.send(1).unwrap(); /// -/// thread::spawn(move|| { +/// thread::spawn(move || { /// // this will block until the previous message has been received /// sender.send(2).unwrap(); /// }); diff --git a/library/std/src/thread/local.rs b/library/std/src/thread/local.rs index aed185637fd1..f147c5fdcd14 100644 --- a/library/std/src/thread/local.rs +++ b/library/std/src/thread/local.rs @@ -62,7 +62,7 @@ use crate::fmt; /// FOO.set(2); /// /// // each thread starts out with the initial value of 1 -/// let t = thread::spawn(move|| { +/// let t = thread::spawn(move || { /// assert_eq!(FOO.get(), 1); /// FOO.set(3); /// }); From de473a5a2b7e15aa45e4c2b0d070c22f7140316a Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Thu, 11 Apr 2024 08:56:10 +0000 Subject: [PATCH 1676/1716] Test that opaque types can't have themselves as a hidden type with incompatible lifetimes --- .../different_args_considered_equal.rs | 14 ++++++++++++ .../different_args_considered_equal.stderr | 15 +++++++++++++ .../different_args_considered_equal2.rs | 14 ++++++++++++ .../different_args_considered_equal2.stderr | 20 +++++++++++++++++ .../different_args_considered_equal3.rs | 22 +++++++++++++++++++ .../different_args_considered_equal3.stderr | 10 +++++++++ 6 files changed, 95 insertions(+) create mode 100644 tests/ui/type-alias-impl-trait/different_args_considered_equal.rs create mode 100644 tests/ui/type-alias-impl-trait/different_args_considered_equal.stderr create mode 100644 tests/ui/type-alias-impl-trait/different_args_considered_equal2.rs create mode 100644 tests/ui/type-alias-impl-trait/different_args_considered_equal2.stderr create mode 100644 tests/ui/type-alias-impl-trait/different_args_considered_equal3.rs create mode 100644 tests/ui/type-alias-impl-trait/different_args_considered_equal3.stderr diff --git a/tests/ui/type-alias-impl-trait/different_args_considered_equal.rs b/tests/ui/type-alias-impl-trait/different_args_considered_equal.rs new file mode 100644 index 000000000000..8ce471e39568 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/different_args_considered_equal.rs @@ -0,0 +1,14 @@ +#![feature(type_alias_impl_trait)] + +pub type Opaque<'a> = impl Sized; + +fn get_one<'a>(a: *mut &'a str) -> Opaque<'a> { + a +} + +fn get_iter<'a>() -> impl IntoIterator> { + //~^ ERROR: item does not constrain + None::> +} + +fn main() {} diff --git a/tests/ui/type-alias-impl-trait/different_args_considered_equal.stderr b/tests/ui/type-alias-impl-trait/different_args_considered_equal.stderr new file mode 100644 index 000000000000..f27f22345252 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/different_args_considered_equal.stderr @@ -0,0 +1,15 @@ +error: item does not constrain `Opaque::{opaque#0}`, but has it in its signature + --> $DIR/different_args_considered_equal.rs:9:4 + | +LL | fn get_iter<'a>() -> impl IntoIterator> { + | ^^^^^^^^ + | + = note: consider moving the opaque type's declaration and defining uses into a separate module +note: this opaque type is in the signature + --> $DIR/different_args_considered_equal.rs:3:23 + | +LL | pub type Opaque<'a> = impl Sized; + | ^^^^^^^^^^ + +error: aborting due to 1 previous error + diff --git a/tests/ui/type-alias-impl-trait/different_args_considered_equal2.rs b/tests/ui/type-alias-impl-trait/different_args_considered_equal2.rs new file mode 100644 index 000000000000..43dfea97e6db --- /dev/null +++ b/tests/ui/type-alias-impl-trait/different_args_considered_equal2.rs @@ -0,0 +1,14 @@ +#![feature(type_alias_impl_trait)] + +pub type Opaque<'a> = impl Sized; + +fn get_one<'a>(a: *mut &'a str) -> impl IntoIterator> { + if a.is_null() { + Some(a) + } else { + None::> + //~^ ERROR hidden type for `Opaque<'static>` captures lifetime that does not appear in bounds + } +} + +fn main() {} diff --git a/tests/ui/type-alias-impl-trait/different_args_considered_equal2.stderr b/tests/ui/type-alias-impl-trait/different_args_considered_equal2.stderr new file mode 100644 index 000000000000..1104c2c498a5 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/different_args_considered_equal2.stderr @@ -0,0 +1,20 @@ +error[E0700]: hidden type for `Opaque<'static>` captures lifetime that does not appear in bounds + --> $DIR/different_args_considered_equal2.rs:9:9 + | +LL | pub type Opaque<'a> = impl Sized; + | ---------- opaque type defined here +LL | +LL | fn get_one<'a>(a: *mut &'a str) -> impl IntoIterator> { + | -- hidden type `*mut &'a str` captures the lifetime `'a` as defined here +... +LL | None::> + | ^^^^^^^^^^^^^^^^^^^^^^^ + | +help: to declare that `impl IntoIterator>` captures `'a`, you can add an explicit `'a` lifetime bound + | +LL | fn get_one<'a>(a: *mut &'a str) -> impl IntoIterator> + 'a { + | ++++ + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0700`. diff --git a/tests/ui/type-alias-impl-trait/different_args_considered_equal3.rs b/tests/ui/type-alias-impl-trait/different_args_considered_equal3.rs new file mode 100644 index 000000000000..ea69175ba310 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/different_args_considered_equal3.rs @@ -0,0 +1,22 @@ +//! Test that we don't allow coercing an opaque type with a non-static +//! lifetime to one with a static lifetime. While `get_iter` looks like +//! it would be doing the opposite, the way we're handling projections +//! makes `Opaque<'a>` the hidden type of `Opaque<'static>`. + +#![feature(type_alias_impl_trait)] + +mod defining_scope { + pub type Opaque<'a> = impl Sized; + + fn get_one<'a>(a: *mut &'a str) -> Opaque<'a> { + a + } +} +use defining_scope::Opaque; + +fn get_iter<'a>() -> impl IntoIterator> { + None::> + //~^ ERROR lifetime may not live long enough +} + +fn main() {} diff --git a/tests/ui/type-alias-impl-trait/different_args_considered_equal3.stderr b/tests/ui/type-alias-impl-trait/different_args_considered_equal3.stderr new file mode 100644 index 000000000000..d8f70e3d7782 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/different_args_considered_equal3.stderr @@ -0,0 +1,10 @@ +error: lifetime may not live long enough + --> $DIR/different_args_considered_equal3.rs:18:5 + | +LL | fn get_iter<'a>() -> impl IntoIterator> { + | -- lifetime `'a` defined here +LL | None::> + | ^^^^^^^^^^^^^^^^^^^^^^^ returning this value requires that `'a` must outlive `'static` + +error: aborting due to 1 previous error + From 7ba82d61eb519c9c8cb8c47a3030a2bd2faaa186 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Tue, 18 Jun 2024 10:35:56 +0000 Subject: [PATCH 1677/1716] Use a dedicated type instead of a reference for the diagnostic context This paves the way for tracking more state (e.g. error tainting) in the diagnostic context handle --- compiler/rustc_ast_lowering/src/lib.rs | 4 +- .../rustc_ast_passes/src/ast_validation.rs | 9 +- compiler/rustc_ast_passes/src/show_span.rs | 5 +- .../rustc_attr/src/session_diagnostics.rs | 7 +- .../rustc_borrowck/src/borrowck_errors.rs | 4 +- .../rustc_borrowck/src/diagnostics/mod.rs | 10 +- compiler/rustc_builtin_macros/src/errors.rs | 6 +- .../src/proc_macro_harness.rs | 5 +- .../rustc_builtin_macros/src/test_harness.rs | 3 +- .../src/concurrency_limiter.rs | 3 +- compiler/rustc_codegen_gcc/src/back/lto.rs | 11 +- compiler/rustc_codegen_gcc/src/back/write.rs | 6 +- compiler/rustc_codegen_gcc/src/errors.rs | 4 +- compiler/rustc_codegen_gcc/src/lib.rs | 21 ++- compiler/rustc_codegen_llvm/src/back/lto.rs | 37 ++--- compiler/rustc_codegen_llvm/src/back/write.rs | 20 +-- compiler/rustc_codegen_llvm/src/errors.rs | 8 +- compiler/rustc_codegen_llvm/src/lib.rs | 13 +- compiler/rustc_codegen_ssa/src/back/link.rs | 4 +- compiler/rustc_codegen_ssa/src/back/write.rs | 19 ++- compiler/rustc_codegen_ssa/src/errors.rs | 6 +- .../rustc_codegen_ssa/src/traits/write.rs | 8 +- .../rustc_const_eval/src/check_consts/mod.rs | 4 +- compiler/rustc_const_eval/src/errors.rs | 4 +- .../src/interpret/eval_context.rs | 4 +- compiler/rustc_driver_impl/src/lib.rs | 3 +- compiler/rustc_errors/src/diagnostic.rs | 19 +-- compiler/rustc_errors/src/diagnostic_impls.rs | 6 +- compiler/rustc_errors/src/emitter.rs | 2 +- compiler/rustc_errors/src/json/tests.rs | 3 +- compiler/rustc_errors/src/lib.rs | 130 ++++++++++-------- compiler/rustc_expand/src/base.rs | 6 +- compiler/rustc_expand/src/mbe/diagnostics.rs | 9 +- compiler/rustc_expand/src/mbe/transcribe.rs | 12 +- compiler/rustc_hir_analysis/src/errors.rs | 4 +- compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs | 5 +- .../src/infer/error_reporting/mod.rs | 6 +- compiler/rustc_infer/src/infer/mod.rs | 5 +- compiler/rustc_interface/src/interface.rs | 12 +- compiler/rustc_interface/src/tests.rs | 2 +- compiler/rustc_lint/src/lints.rs | 4 +- .../src/diagnostics/diagnostic.rs | 2 +- compiler/rustc_metadata/src/creader.rs | 4 +- compiler/rustc_metadata/src/errors.rs | 8 +- compiler/rustc_middle/src/macros.rs | 8 +- compiler/rustc_middle/src/ty/context.rs | 6 +- compiler/rustc_middle/src/ty/layout.rs | 4 +- compiler/rustc_mir_build/src/errors.rs | 6 +- compiler/rustc_monomorphize/src/errors.rs | 4 +- compiler/rustc_parse/src/errors.rs | 6 +- compiler/rustc_parse/src/lexer/mod.rs | 4 +- .../src/lexer/unescape_error_reporting.rs | 4 +- .../rustc_parse/src/parser/diagnostics.rs | 4 +- compiler/rustc_parse/src/parser/tests.rs | 6 +- compiler/rustc_passes/src/check_attr.rs | 6 +- compiler/rustc_passes/src/errors.rs | 14 +- compiler/rustc_query_system/src/query/job.rs | 4 +- compiler/rustc_resolve/src/diagnostics.rs | 4 +- compiler/rustc_session/src/errors.rs | 6 +- compiler/rustc_session/src/parse.rs | 8 +- compiler/rustc_session/src/session.rs | 24 ++-- compiler/rustc_symbol_mangling/src/errors.rs | 4 +- compiler/rustc_trait_selection/src/errors.rs | 4 +- src/librustdoc/config.rs | 16 ++- src/librustdoc/core.rs | 4 +- src/librustdoc/doctest.rs | 7 +- src/librustdoc/doctest/make.rs | 2 +- src/librustdoc/externalfiles.rs | 7 +- src/librustdoc/lib.rs | 13 +- src/librustdoc/scrape_examples.rs | 5 +- src/librustdoc/theme.rs | 4 +- src/tools/clippy/src/driver.rs | 4 +- src/tools/rustfmt/src/parse/macros/cfg_if.rs | 2 +- .../rustfmt/src/parse/macros/lazy_static.rs | 6 +- src/tools/rustfmt/src/parse/macros/mod.rs | 6 +- src/tools/rustfmt/src/parse/session.rs | 8 +- .../ui-fulldeps/internal-lints/diagnostics.rs | 14 +- 77 files changed, 363 insertions(+), 328 deletions(-) diff --git a/compiler/rustc_ast_lowering/src/lib.rs b/compiler/rustc_ast_lowering/src/lib.rs index f18ceb62e0bd..da8682d3d095 100644 --- a/compiler/rustc_ast_lowering/src/lib.rs +++ b/compiler/rustc_ast_lowering/src/lib.rs @@ -50,7 +50,7 @@ use rustc_data_structures::fx::FxIndexSet; use rustc_data_structures::sorted_map::SortedMap; use rustc_data_structures::stable_hasher::{HashStable, StableHasher}; use rustc_data_structures::sync::Lrc; -use rustc_errors::{DiagArgFromDisplay, DiagCtxt, StashKey}; +use rustc_errors::{DiagArgFromDisplay, DiagCtxtHandle, StashKey}; use rustc_hir::def::{DefKind, LifetimeRes, Namespace, PartialRes, PerNS, Res}; use rustc_hir::def_id::{LocalDefId, LocalDefIdMap, CRATE_DEF_ID, LOCAL_CRATE}; use rustc_hir::{self as hir}; @@ -188,7 +188,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { } } - pub(crate) fn dcx(&self) -> &'hir DiagCtxt { + pub(crate) fn dcx(&self) -> DiagCtxtHandle<'hir> { self.tcx.dcx() } } diff --git a/compiler/rustc_ast_passes/src/ast_validation.rs b/compiler/rustc_ast_passes/src/ast_validation.rs index 93abe36a2dbf..b274a9b9114a 100644 --- a/compiler/rustc_ast_passes/src/ast_validation.rs +++ b/compiler/rustc_ast_passes/src/ast_validation.rs @@ -12,6 +12,7 @@ use rustc_ast::visit::{walk_list, AssocCtxt, BoundKind, FnCtxt, FnKind, Visitor} use rustc_ast::*; use rustc_ast_pretty::pprust::{self, State}; use rustc_data_structures::fx::FxIndexMap; +use rustc_errors::DiagCtxtHandle; use rustc_feature::Features; use rustc_parse::validate_attr; use rustc_session::lint::builtin::{ @@ -269,7 +270,7 @@ impl<'a> AstValidator<'a> { } } - fn dcx(&self) -> &rustc_errors::DiagCtxt { + fn dcx(&self) -> DiagCtxtHandle<'a> { self.session.dcx() } @@ -809,11 +810,7 @@ impl<'a> AstValidator<'a> { /// Checks that generic parameters are in the correct order, /// which is lifetimes, then types and then consts. (`<'a, T, const N: usize>`) -fn validate_generic_param_order( - dcx: &rustc_errors::DiagCtxt, - generics: &[GenericParam], - span: Span, -) { +fn validate_generic_param_order(dcx: DiagCtxtHandle<'_>, generics: &[GenericParam], span: Span) { let mut max_param: Option = None; let mut out_of_order = FxIndexMap::default(); let mut param_idents = Vec::with_capacity(generics.len()); diff --git a/compiler/rustc_ast_passes/src/show_span.rs b/compiler/rustc_ast_passes/src/show_span.rs index 105900742822..e7ba2e7fc30b 100644 --- a/compiler/rustc_ast_passes/src/show_span.rs +++ b/compiler/rustc_ast_passes/src/show_span.rs @@ -8,6 +8,7 @@ use std::str::FromStr; use rustc_ast as ast; use rustc_ast::visit; use rustc_ast::visit::Visitor; +use rustc_errors::DiagCtxtHandle; use crate::errors; @@ -31,7 +32,7 @@ impl FromStr for Mode { } struct ShowSpanVisitor<'a> { - dcx: &'a rustc_errors::DiagCtxt, + dcx: DiagCtxtHandle<'a>, mode: Mode, } @@ -58,7 +59,7 @@ impl<'a> Visitor<'a> for ShowSpanVisitor<'a> { } } -pub fn run(dcx: &rustc_errors::DiagCtxt, mode: &str, krate: &ast::Crate) { +pub fn run(dcx: DiagCtxtHandle<'_>, mode: &str, krate: &ast::Crate) { let Ok(mode) = mode.parse() else { return; }; diff --git a/compiler/rustc_attr/src/session_diagnostics.rs b/compiler/rustc_attr/src/session_diagnostics.rs index 303909de3435..0cffeed0a755 100644 --- a/compiler/rustc_attr/src/session_diagnostics.rs +++ b/compiler/rustc_attr/src/session_diagnostics.rs @@ -1,7 +1,8 @@ use std::num::IntErrorKind; use rustc_ast as ast; -use rustc_errors::{codes::*, Applicability, Diag, DiagCtxt, Diagnostic, EmissionGuarantee, Level}; +use rustc_errors::DiagCtxtHandle; +use rustc_errors::{codes::*, Applicability, Diag, Diagnostic, EmissionGuarantee, Level}; use rustc_macros::{Diagnostic, Subdiagnostic}; use rustc_span::{Span, Symbol}; @@ -49,7 +50,7 @@ pub(crate) struct UnknownMetaItem<'a> { // Manual implementation to be able to format `expected` items correctly. impl<'a, G: EmissionGuarantee> Diagnostic<'a, G> for UnknownMetaItem<'_> { - fn into_diag(self, dcx: &'a DiagCtxt, level: Level) -> Diag<'a, G> { + fn into_diag(self, dcx: DiagCtxtHandle<'a>, level: Level) -> Diag<'a, G> { let expected = self.expected.iter().map(|name| format!("`{name}`")).collect::>(); Diag::new(dcx, level, fluent::attr_unknown_meta_item) .with_span(self.span) @@ -202,7 +203,7 @@ pub(crate) struct UnsupportedLiteral { } impl<'a, G: EmissionGuarantee> Diagnostic<'a, G> for UnsupportedLiteral { - fn into_diag(self, dcx: &'a DiagCtxt, level: Level) -> Diag<'a, G> { + fn into_diag(self, dcx: DiagCtxtHandle<'a>, level: Level) -> Diag<'a, G> { let mut diag = Diag::new( dcx, level, diff --git a/compiler/rustc_borrowck/src/borrowck_errors.rs b/compiler/rustc_borrowck/src/borrowck_errors.rs index 622feb4e4c73..c1f753282725 100644 --- a/compiler/rustc_borrowck/src/borrowck_errors.rs +++ b/compiler/rustc_borrowck/src/borrowck_errors.rs @@ -1,13 +1,13 @@ #![allow(rustc::diagnostic_outside_of_impl)] #![allow(rustc::untranslatable_diagnostic)] -use rustc_errors::{codes::*, struct_span_code_err, Diag, DiagCtxt}; +use rustc_errors::{codes::*, struct_span_code_err, Diag, DiagCtxtHandle}; use rustc_middle::span_bug; use rustc_middle::ty::{self, Ty, TyCtxt}; use rustc_span::Span; impl<'cx, 'tcx> crate::MirBorrowckCtxt<'cx, 'tcx> { - pub fn dcx(&self) -> &'tcx DiagCtxt { + pub fn dcx(&self) -> DiagCtxtHandle<'tcx> { self.infcx.dcx() } diff --git a/compiler/rustc_borrowck/src/diagnostics/mod.rs b/compiler/rustc_borrowck/src/diagnostics/mod.rs index abb0b5afbd8b..2c12d25d24a0 100644 --- a/compiler/rustc_borrowck/src/diagnostics/mod.rs +++ b/compiler/rustc_borrowck/src/diagnostics/mod.rs @@ -4,8 +4,8 @@ use crate::session_diagnostics::{ CaptureArgLabel, CaptureReasonLabel, CaptureReasonNote, CaptureReasonSuggest, CaptureVarCause, CaptureVarKind, CaptureVarPathUseCause, OnClosureNote, }; -use rustc_errors::{Applicability, Diag}; -use rustc_errors::{DiagCtxt, MultiSpan}; +use rustc_errors::MultiSpan; +use rustc_errors::{Applicability, Diag, DiagCtxtHandle}; use rustc_hir::def::{CtorKind, Namespace}; use rustc_hir::CoroutineKind; use rustc_hir::{self as hir, LangItem}; @@ -593,7 +593,7 @@ impl UseSpans<'_> { #[allow(rustc::diagnostic_outside_of_impl)] pub(super) fn args_subdiag( self, - dcx: &DiagCtxt, + dcx: DiagCtxtHandle<'_>, err: &mut Diag<'_>, f: impl FnOnce(Span) -> CaptureArgLabel, ) { @@ -607,7 +607,7 @@ impl UseSpans<'_> { #[allow(rustc::diagnostic_outside_of_impl)] pub(super) fn var_path_only_subdiag( self, - dcx: &DiagCtxt, + dcx: DiagCtxtHandle<'_>, err: &mut Diag<'_>, action: crate::InitializationRequiringAction, ) { @@ -645,7 +645,7 @@ impl UseSpans<'_> { #[allow(rustc::diagnostic_outside_of_impl)] pub(super) fn var_subdiag( self, - dcx: &DiagCtxt, + dcx: DiagCtxtHandle<'_>, err: &mut Diag<'_>, kind: Option, f: impl FnOnce(hir::ClosureKind, Span) -> CaptureVarCause, diff --git a/compiler/rustc_builtin_macros/src/errors.rs b/compiler/rustc_builtin_macros/src/errors.rs index b14eb2b5ee60..ed2f98f2a393 100644 --- a/compiler/rustc_builtin_macros/src/errors.rs +++ b/compiler/rustc_builtin_macros/src/errors.rs @@ -1,5 +1,5 @@ use rustc_errors::{ - codes::*, Diag, DiagCtxt, Diagnostic, EmissionGuarantee, Level, MultiSpan, + codes::*, Diag, DiagCtxtHandle, Diagnostic, EmissionGuarantee, Level, MultiSpan, SingleLabelManySpans, SubdiagMessageOp, Subdiagnostic, }; use rustc_macros::{Diagnostic, Subdiagnostic}; @@ -434,7 +434,7 @@ pub(crate) struct EnvNotDefinedWithUserMessage { // Hand-written implementation to support custom user messages. impl<'a, G: EmissionGuarantee> Diagnostic<'a, G> for EnvNotDefinedWithUserMessage { #[track_caller] - fn into_diag(self, dcx: &'a DiagCtxt, level: Level) -> Diag<'a, G> { + fn into_diag(self, dcx: DiagCtxtHandle<'a>, level: Level) -> Diag<'a, G> { #[expect( rustc::untranslatable_diagnostic, reason = "cannot translate user-provided messages" @@ -801,7 +801,7 @@ pub(crate) struct AsmClobberNoReg { } impl<'a, G: EmissionGuarantee> Diagnostic<'a, G> for AsmClobberNoReg { - fn into_diag(self, dcx: &'a DiagCtxt, level: Level) -> Diag<'a, G> { + fn into_diag(self, dcx: DiagCtxtHandle<'a>, level: Level) -> Diag<'a, G> { // eager translation as `span_labels` takes `AsRef` let lbl1 = dcx.eagerly_translate_to_string( crate::fluent_generated::builtin_macros_asm_clobber_abi, diff --git a/compiler/rustc_builtin_macros/src/proc_macro_harness.rs b/compiler/rustc_builtin_macros/src/proc_macro_harness.rs index 477e5c8bec53..99d0191958d6 100644 --- a/compiler/rustc_builtin_macros/src/proc_macro_harness.rs +++ b/compiler/rustc_builtin_macros/src/proc_macro_harness.rs @@ -3,6 +3,7 @@ use rustc_ast::ptr::P; use rustc_ast::visit::{self, Visitor}; use rustc_ast::{self as ast, attr, NodeId}; use rustc_ast_pretty::pprust; +use rustc_errors::DiagCtxtHandle; use rustc_expand::base::{parse_macro_name_and_helper_attrs, ExtCtxt, ResolverExpand}; use rustc_expand::expand::{AstFragment, ExpansionConfig}; use rustc_feature::Features; @@ -38,7 +39,7 @@ enum ProcMacro { struct CollectProcMacros<'a> { macros: Vec, in_root: bool, - dcx: &'a rustc_errors::DiagCtxt, + dcx: DiagCtxtHandle<'a>, source_map: &'a SourceMap, is_proc_macro_crate: bool, is_test_crate: bool, @@ -52,7 +53,7 @@ pub fn inject( is_proc_macro_crate: bool, has_proc_macro_decls: bool, is_test_crate: bool, - dcx: &rustc_errors::DiagCtxt, + dcx: DiagCtxtHandle<'_>, ) { let ecfg = ExpansionConfig::default("proc_macro".to_string(), features); let mut cx = ExtCtxt::new(sess, ecfg, resolver, None); diff --git a/compiler/rustc_builtin_macros/src/test_harness.rs b/compiler/rustc_builtin_macros/src/test_harness.rs index ba4e5cfd1307..9d032eb190a0 100644 --- a/compiler/rustc_builtin_macros/src/test_harness.rs +++ b/compiler/rustc_builtin_macros/src/test_harness.rs @@ -6,6 +6,7 @@ use rustc_ast::mut_visit::*; use rustc_ast::ptr::P; use rustc_ast::visit::{walk_item, Visitor}; use rustc_ast::{attr, ModKind}; +use rustc_errors::DiagCtxtHandle; use rustc_expand::base::{ExtCtxt, ResolverExpand}; use rustc_expand::expand::{AstFragment, ExpansionConfig}; use rustc_feature::Features; @@ -391,7 +392,7 @@ fn get_test_name(i: &ast::Item) -> Option { attr::first_attr_value_str_by_name(&i.attrs, sym::rustc_test_marker) } -fn get_test_runner(dcx: &rustc_errors::DiagCtxt, krate: &ast::Crate) -> Option { +fn get_test_runner(dcx: DiagCtxtHandle<'_>, krate: &ast::Crate) -> Option { let test_attr = attr::find_by_name(&krate.attrs, sym::test_runner)?; let meta_list = test_attr.meta_item_list()?; let span = test_attr.span; diff --git a/compiler/rustc_codegen_cranelift/src/concurrency_limiter.rs b/compiler/rustc_codegen_cranelift/src/concurrency_limiter.rs index a73860cf18b2..2093b49ff31a 100644 --- a/compiler/rustc_codegen_cranelift/src/concurrency_limiter.rs +++ b/compiler/rustc_codegen_cranelift/src/concurrency_limiter.rs @@ -1,6 +1,7 @@ use std::sync::{Arc, Condvar, Mutex}; use jobserver::HelperThread; +use rustc_errors::DiagCtxtHandle; use rustc_session::Session; // FIXME don't panic when a worker thread panics @@ -46,7 +47,7 @@ impl ConcurrencyLimiter { } } - pub(super) fn acquire(&self, dcx: &rustc_errors::DiagCtxt) -> ConcurrencyLimiterToken { + pub(super) fn acquire(&self, dcx: DiagCtxtHandle<'_>) -> ConcurrencyLimiterToken { let mut state = self.state.lock().unwrap(); loop { state.assert_invariants(); diff --git a/compiler/rustc_codegen_gcc/src/back/lto.rs b/compiler/rustc_codegen_gcc/src/back/lto.rs index 61e0f203ee0b..ec70fbdddb0f 100644 --- a/compiler/rustc_codegen_gcc/src/back/lto.rs +++ b/compiler/rustc_codegen_gcc/src/back/lto.rs @@ -28,7 +28,7 @@ use rustc_codegen_ssa::back::write::{CodegenContext, FatLtoInput}; use rustc_codegen_ssa::traits::*; use rustc_codegen_ssa::{looks_like_rust_object_file, ModuleCodegen, ModuleKind}; use rustc_data_structures::memmap::Mmap; -use rustc_errors::{DiagCtxt, FatalError}; +use rustc_errors::{DiagCtxtHandle, FatalError}; use rustc_hir::def_id::LOCAL_CRATE; use rustc_middle::dep_graph::WorkProduct; use rustc_middle::middle::exported_symbols::{SymbolExportInfo, SymbolExportLevel}; @@ -59,7 +59,7 @@ struct LtoData { fn prepare_lto( cgcx: &CodegenContext, - dcx: &DiagCtxt, + dcx: DiagCtxtHandle<'_>, ) -> Result { let export_threshold = match cgcx.lto { // We're just doing LTO for our one crate @@ -179,12 +179,13 @@ pub(crate) fn run_fat( cached_modules: Vec<(SerializedModule, WorkProduct)>, ) -> Result, FatalError> { let dcx = cgcx.create_dcx(); - let lto_data = prepare_lto(cgcx, &dcx)?; + let dcx = dcx.handle(); + let lto_data = prepare_lto(cgcx, dcx)?; /*let symbols_below_threshold = lto_data.symbols_below_threshold.iter().map(|c| c.as_ptr()).collect::>();*/ fat_lto( cgcx, - &dcx, + dcx, modules, cached_modules, lto_data.upstream_modules, @@ -195,7 +196,7 @@ pub(crate) fn run_fat( fn fat_lto( cgcx: &CodegenContext, - _dcx: &DiagCtxt, + _dcx: DiagCtxtHandle<'_>, modules: Vec>, cached_modules: Vec<(SerializedModule, WorkProduct)>, mut serialized_modules: Vec<(SerializedModule, CString)>, diff --git a/compiler/rustc_codegen_gcc/src/back/write.rs b/compiler/rustc_codegen_gcc/src/back/write.rs index 3ea5be1ee562..b9c7f72d0b72 100644 --- a/compiler/rustc_codegen_gcc/src/back/write.rs +++ b/compiler/rustc_codegen_gcc/src/back/write.rs @@ -4,7 +4,7 @@ use gccjit::OutputKind; use rustc_codegen_ssa::back::link::ensure_removed; use rustc_codegen_ssa::back::write::{BitcodeSection, CodegenContext, EmitObj, ModuleConfig}; use rustc_codegen_ssa::{CompiledModule, ModuleCodegen}; -use rustc_errors::DiagCtxt; +use rustc_errors::DiagCtxtHandle; use rustc_fs_util::link_or_copy; use rustc_session::config::OutputType; use rustc_span::fatal_error::FatalError; @@ -15,7 +15,7 @@ use crate::{GccCodegenBackend, GccContext}; pub(crate) unsafe fn codegen( cgcx: &CodegenContext, - dcx: &DiagCtxt, + dcx: DiagCtxtHandle<'_>, module: ModuleCodegen, config: &ModuleConfig, ) -> Result { @@ -166,7 +166,7 @@ pub(crate) unsafe fn codegen( pub(crate) fn link( _cgcx: &CodegenContext, - _dcx: &DiagCtxt, + _dcx: DiagCtxtHandle<'_>, mut _modules: Vec>, ) -> Result, FatalError> { unimplemented!(); diff --git a/compiler/rustc_codegen_gcc/src/errors.rs b/compiler/rustc_codegen_gcc/src/errors.rs index aee2b077dba1..5b3113423923 100644 --- a/compiler/rustc_codegen_gcc/src/errors.rs +++ b/compiler/rustc_codegen_gcc/src/errors.rs @@ -1,4 +1,4 @@ -use rustc_errors::{Diag, DiagCtxt, Diagnostic, EmissionGuarantee, Level}; +use rustc_errors::{Diag, DiagCtxtHandle, Diagnostic, EmissionGuarantee, Level}; use rustc_macros::{Diagnostic, Subdiagnostic}; use rustc_span::Span; @@ -90,7 +90,7 @@ pub(crate) struct TargetFeatureDisableOrEnable<'a> { pub(crate) struct MissingFeatures; impl Diagnostic<'_, G> for TargetFeatureDisableOrEnable<'_> { - fn into_diag(self, dcx: &'_ DiagCtxt, level: Level) -> Diag<'_, G> { + fn into_diag(self, dcx: DiagCtxtHandle<'_>, level: Level) -> Diag<'_, G> { let mut diag = Diag::new(dcx, level, fluent::codegen_gcc_target_feature_disable_or_enable); if let Some(span) = self.span { diag.span(span); diff --git a/compiler/rustc_codegen_gcc/src/lib.rs b/compiler/rustc_codegen_gcc/src/lib.rs index b1785e150adc..24856506c464 100644 --- a/compiler/rustc_codegen_gcc/src/lib.rs +++ b/compiler/rustc_codegen_gcc/src/lib.rs @@ -16,13 +16,7 @@ #![allow(internal_features)] #![doc(rust_logo)] #![feature(rustdoc_internals)] -#![feature( - rustc_private, - decl_macro, - never_type, - trusted_len, - hash_raw_entry -)] +#![feature(rustc_private, decl_macro, never_type, trusted_len, hash_raw_entry)] #![allow(broken_intra_doc_links)] #![recursion_limit = "256"] #![warn(rust_2018_idioms)] @@ -104,7 +98,7 @@ use rustc_codegen_ssa::traits::{ use rustc_codegen_ssa::{CodegenResults, CompiledModule, ModuleCodegen}; use rustc_data_structures::fx::FxIndexMap; use rustc_data_structures::sync::IntoDynSyncSend; -use rustc_errors::{DiagCtxt, ErrorGuaranteed}; +use rustc_errors::{DiagCtxtHandle, ErrorGuaranteed}; use rustc_metadata::EncodedMetadata; use rustc_middle::dep_graph::{WorkProduct, WorkProductId}; use rustc_middle::ty::TyCtxt; @@ -386,7 +380,7 @@ impl WriteBackendMethods for GccCodegenBackend { unsafe fn optimize( _cgcx: &CodegenContext, - _dcx: &DiagCtxt, + _dcx: DiagCtxtHandle<'_>, module: &ModuleCodegen, config: &ModuleConfig, ) -> Result<(), FatalError> { @@ -411,14 +405,17 @@ impl WriteBackendMethods for GccCodegenBackend { unsafe fn codegen( cgcx: &CodegenContext, - dcx: &DiagCtxt, + dcx: DiagCtxtHandle<'_>, module: ModuleCodegen, config: &ModuleConfig, ) -> Result { back::write::codegen(cgcx, dcx, module, config) } - fn prepare_thin(_module: ModuleCodegen, _emit_summary: bool) -> (String, Self::ThinBuffer) { + fn prepare_thin( + _module: ModuleCodegen, + _emit_summary: bool, + ) -> (String, Self::ThinBuffer) { unimplemented!(); } @@ -428,7 +425,7 @@ impl WriteBackendMethods for GccCodegenBackend { fn run_link( cgcx: &CodegenContext, - dcx: &DiagCtxt, + dcx: DiagCtxtHandle<'_>, modules: Vec>, ) -> Result, FatalError> { back::write::link(cgcx, dcx, modules) diff --git a/compiler/rustc_codegen_llvm/src/back/lto.rs b/compiler/rustc_codegen_llvm/src/back/lto.rs index bb7c8fe2ea7a..aff3e3d70760 100644 --- a/compiler/rustc_codegen_llvm/src/back/lto.rs +++ b/compiler/rustc_codegen_llvm/src/back/lto.rs @@ -14,7 +14,7 @@ use rustc_codegen_ssa::traits::*; use rustc_codegen_ssa::{looks_like_rust_object_file, ModuleCodegen, ModuleKind}; use rustc_data_structures::fx::FxHashMap; use rustc_data_structures::memmap::Mmap; -use rustc_errors::{DiagCtxt, FatalError}; +use rustc_errors::{DiagCtxtHandle, FatalError}; use rustc_hir::def_id::LOCAL_CRATE; use rustc_middle::bug; use rustc_middle::dep_graph::WorkProduct; @@ -49,7 +49,7 @@ pub fn crate_type_allows_lto(crate_type: CrateType) -> bool { fn prepare_lto( cgcx: &CodegenContext, - dcx: &DiagCtxt, + dcx: DiagCtxtHandle<'_>, ) -> Result<(Vec, Vec<(SerializedModule, CString)>), FatalError> { let export_threshold = match cgcx.lto { // We're just doing LTO for our one crate @@ -203,10 +203,11 @@ pub(crate) fn run_fat( cached_modules: Vec<(SerializedModule, WorkProduct)>, ) -> Result, FatalError> { let dcx = cgcx.create_dcx(); - let (symbols_below_threshold, upstream_modules) = prepare_lto(cgcx, &dcx)?; + let dcx = dcx.handle(); + let (symbols_below_threshold, upstream_modules) = prepare_lto(cgcx, dcx)?; let symbols_below_threshold = symbols_below_threshold.iter().map(|c| c.as_ptr()).collect::>(); - fat_lto(cgcx, &dcx, modules, cached_modules, upstream_modules, &symbols_below_threshold) + fat_lto(cgcx, dcx, modules, cached_modules, upstream_modules, &symbols_below_threshold) } /// Performs thin LTO by performing necessary global analysis and returning two @@ -218,7 +219,8 @@ pub(crate) fn run_thin( cached_modules: Vec<(SerializedModule, WorkProduct)>, ) -> Result<(Vec>, Vec), FatalError> { let dcx = cgcx.create_dcx(); - let (symbols_below_threshold, upstream_modules) = prepare_lto(cgcx, &dcx)?; + let dcx = dcx.handle(); + let (symbols_below_threshold, upstream_modules) = prepare_lto(cgcx, dcx)?; let symbols_below_threshold = symbols_below_threshold.iter().map(|c| c.as_ptr()).collect::>(); if cgcx.opts.cg.linker_plugin_lto.enabled() { @@ -227,7 +229,7 @@ pub(crate) fn run_thin( is deferred to the linker" ); } - thin_lto(cgcx, &dcx, modules, upstream_modules, cached_modules, &symbols_below_threshold) + thin_lto(cgcx, dcx, modules, upstream_modules, cached_modules, &symbols_below_threshold) } pub(crate) fn prepare_thin( @@ -241,7 +243,7 @@ pub(crate) fn prepare_thin( fn fat_lto( cgcx: &CodegenContext, - dcx: &DiagCtxt, + dcx: DiagCtxtHandle<'_>, modules: Vec>, cached_modules: Vec<(SerializedModule, WorkProduct)>, mut serialized_modules: Vec<(SerializedModule, CString)>, @@ -436,7 +438,7 @@ impl Drop for Linker<'_> { /// they all go out of scope. fn thin_lto( cgcx: &CodegenContext, - dcx: &DiagCtxt, + dcx: DiagCtxtHandle<'_>, modules: Vec<(String, ThinBuffer)>, serialized_modules: Vec<(SerializedModule, CString)>, cached_modules: Vec<(SerializedModule, WorkProduct)>, @@ -593,7 +595,7 @@ fn thin_lto( pub(crate) fn run_pass_manager( cgcx: &CodegenContext, - dcx: &DiagCtxt, + dcx: DiagCtxtHandle<'_>, module: &mut ModuleCodegen, thin: bool, ) -> Result<(), FatalError> { @@ -714,10 +716,11 @@ pub unsafe fn optimize_thin_module( cgcx: &CodegenContext, ) -> Result, FatalError> { let dcx = cgcx.create_dcx(); + let dcx = dcx.handle(); let module_name = &thin_module.shared.module_names[thin_module.idx]; let tm_factory_config = TargetMachineFactoryConfig::new(cgcx, module_name.to_str().unwrap()); - let tm = (cgcx.tm_factory)(tm_factory_config).map_err(|e| write::llvm_err(&dcx, e))?; + let tm = (cgcx.tm_factory)(tm_factory_config).map_err(|e| write::llvm_err(dcx, e))?; // Right now the implementation we've got only works over serialized // modules, so we create a fresh new LLVM context and parse the module @@ -725,7 +728,7 @@ pub unsafe fn optimize_thin_module( // crates but for locally codegened modules we may be able to reuse // that LLVM Context and Module. let llcx = llvm::LLVMRustContextCreate(cgcx.fewer_names); - let llmod_raw = parse_module(llcx, module_name, thin_module.data(), &dcx)? as *const _; + let llmod_raw = parse_module(llcx, module_name, thin_module.data(), dcx)? as *const _; let mut module = ModuleCodegen { module_llvm: ModuleLlvm { llmod_raw, llcx, tm: ManuallyDrop::new(tm) }, name: thin_module.name().to_string(), @@ -748,7 +751,7 @@ pub unsafe fn optimize_thin_module( let _timer = cgcx.prof.generic_activity_with_arg("LLVM_thin_lto_rename", thin_module.name()); if !llvm::LLVMRustPrepareThinLTORename(thin_module.shared.data.0, llmod, target) { - return Err(write::llvm_err(&dcx, LlvmError::PrepareThinLtoModule)); + return Err(write::llvm_err(dcx, LlvmError::PrepareThinLtoModule)); } save_temp_bitcode(cgcx, &module, "thin-lto-after-rename"); } @@ -758,7 +761,7 @@ pub unsafe fn optimize_thin_module( .prof .generic_activity_with_arg("LLVM_thin_lto_resolve_weak", thin_module.name()); if !llvm::LLVMRustPrepareThinLTOResolveWeak(thin_module.shared.data.0, llmod) { - return Err(write::llvm_err(&dcx, LlvmError::PrepareThinLtoModule)); + return Err(write::llvm_err(dcx, LlvmError::PrepareThinLtoModule)); } save_temp_bitcode(cgcx, &module, "thin-lto-after-resolve"); } @@ -768,7 +771,7 @@ pub unsafe fn optimize_thin_module( .prof .generic_activity_with_arg("LLVM_thin_lto_internalize", thin_module.name()); if !llvm::LLVMRustPrepareThinLTOInternalize(thin_module.shared.data.0, llmod) { - return Err(write::llvm_err(&dcx, LlvmError::PrepareThinLtoModule)); + return Err(write::llvm_err(dcx, LlvmError::PrepareThinLtoModule)); } save_temp_bitcode(cgcx, &module, "thin-lto-after-internalize"); } @@ -777,7 +780,7 @@ pub unsafe fn optimize_thin_module( let _timer = cgcx.prof.generic_activity_with_arg("LLVM_thin_lto_import", thin_module.name()); if !llvm::LLVMRustPrepareThinLTOImport(thin_module.shared.data.0, llmod, target) { - return Err(write::llvm_err(&dcx, LlvmError::PrepareThinLtoModule)); + return Err(write::llvm_err(dcx, LlvmError::PrepareThinLtoModule)); } save_temp_bitcode(cgcx, &module, "thin-lto-after-import"); } @@ -789,7 +792,7 @@ pub unsafe fn optimize_thin_module( // little differently. { info!("running thin lto passes over {}", module.name); - run_pass_manager(cgcx, &dcx, &mut module, true)?; + run_pass_manager(cgcx, dcx, &mut module, true)?; save_temp_bitcode(cgcx, &module, "thin-lto-after-pm"); } } @@ -859,7 +862,7 @@ pub fn parse_module<'a>( cx: &'a llvm::Context, name: &CStr, data: &[u8], - dcx: &DiagCtxt, + dcx: DiagCtxtHandle<'_>, ) -> Result<&'a llvm::Module, FatalError> { unsafe { llvm::LLVMRustParseBitcodeForLTO(cx, data.as_ptr(), data.len(), name.as_ptr()) diff --git a/compiler/rustc_codegen_llvm/src/back/write.rs b/compiler/rustc_codegen_llvm/src/back/write.rs index 02e3bb06dda3..bbfc697407bf 100644 --- a/compiler/rustc_codegen_llvm/src/back/write.rs +++ b/compiler/rustc_codegen_llvm/src/back/write.rs @@ -26,7 +26,7 @@ use rustc_codegen_ssa::traits::*; use rustc_codegen_ssa::{CompiledModule, ModuleCodegen}; use rustc_data_structures::profiling::SelfProfilerRef; use rustc_data_structures::small_c_str::SmallCStr; -use rustc_errors::{DiagCtxt, FatalError, Level}; +use rustc_errors::{DiagCtxtHandle, FatalError, Level}; use rustc_fs_util::{link_or_copy, path_to_c_string}; use rustc_middle::ty::TyCtxt; use rustc_session::config::{self, Lto, OutputType, Passes}; @@ -47,7 +47,7 @@ use std::slice; use std::str; use std::sync::Arc; -pub fn llvm_err<'a>(dcx: &rustc_errors::DiagCtxt, err: LlvmError<'a>) -> FatalError { +pub fn llvm_err<'a>(dcx: DiagCtxtHandle<'_>, err: LlvmError<'a>) -> FatalError { match llvm::last_error() { Some(llvm_err) => dcx.emit_almost_fatal(WithLlvmError(err, llvm_err)), None => dcx.emit_almost_fatal(err), @@ -55,7 +55,7 @@ pub fn llvm_err<'a>(dcx: &rustc_errors::DiagCtxt, err: LlvmError<'a>) -> FatalEr } pub fn write_output_file<'ll>( - dcx: &rustc_errors::DiagCtxt, + dcx: DiagCtxtHandle<'_>, target: &'ll llvm::TargetMachine, pm: &llvm::PassManager<'ll>, m: &'ll llvm::Module, @@ -331,7 +331,7 @@ pub enum CodegenDiagnosticsStage { } pub struct DiagnosticHandlers<'a> { - data: *mut (&'a CodegenContext, &'a DiagCtxt), + data: *mut (&'a CodegenContext, DiagCtxtHandle<'a>), llcx: &'a llvm::Context, old_handler: Option<&'a llvm::DiagnosticHandler>, } @@ -339,7 +339,7 @@ pub struct DiagnosticHandlers<'a> { impl<'a> DiagnosticHandlers<'a> { pub fn new( cgcx: &'a CodegenContext, - dcx: &'a DiagCtxt, + dcx: DiagCtxtHandle<'a>, llcx: &'a llvm::Context, module: &ModuleCodegen, stage: CodegenDiagnosticsStage, @@ -428,7 +428,7 @@ unsafe extern "C" fn diagnostic_handler(info: &DiagnosticInfo, user: *mut c_void if user.is_null() { return; } - let (cgcx, dcx) = *(user as *const (&CodegenContext, &DiagCtxt)); + let (cgcx, dcx) = *(user as *const (&CodegenContext, DiagCtxtHandle<'_>)); match llvm::diagnostic::Diagnostic::unpack(info) { llvm::diagnostic::InlineAsm(inline) => { @@ -506,7 +506,7 @@ fn get_instr_profile_output_path(config: &ModuleConfig) -> Option { pub(crate) unsafe fn llvm_optimize( cgcx: &CodegenContext, - dcx: &DiagCtxt, + dcx: DiagCtxtHandle<'_>, module: &ModuleCodegen, config: &ModuleConfig, opt_level: config::OptLevel, @@ -604,7 +604,7 @@ pub(crate) unsafe fn llvm_optimize( // Unsafe due to LLVM calls. pub(crate) unsafe fn optimize( cgcx: &CodegenContext, - dcx: &DiagCtxt, + dcx: DiagCtxtHandle<'_>, module: &ModuleCodegen, config: &ModuleConfig, ) -> Result<(), FatalError> { @@ -637,7 +637,7 @@ pub(crate) unsafe fn optimize( pub(crate) fn link( cgcx: &CodegenContext, - dcx: &DiagCtxt, + dcx: DiagCtxtHandle<'_>, mut modules: Vec>, ) -> Result, FatalError> { use super::lto::{Linker, ModuleBuffer}; @@ -660,7 +660,7 @@ pub(crate) fn link( pub(crate) unsafe fn codegen( cgcx: &CodegenContext, - dcx: &DiagCtxt, + dcx: DiagCtxtHandle<'_>, module: ModuleCodegen, config: &ModuleConfig, ) -> Result { diff --git a/compiler/rustc_codegen_llvm/src/errors.rs b/compiler/rustc_codegen_llvm/src/errors.rs index 9d83dc811633..0b9e46260fb3 100644 --- a/compiler/rustc_codegen_llvm/src/errors.rs +++ b/compiler/rustc_codegen_llvm/src/errors.rs @@ -4,7 +4,7 @@ use std::path::Path; use crate::fluent_generated as fluent; use rustc_data_structures::small_c_str::SmallCStr; -use rustc_errors::{Diag, DiagCtxt, Diagnostic, EmissionGuarantee, Level}; +use rustc_errors::{Diag, DiagCtxtHandle, Diagnostic, EmissionGuarantee, Level}; use rustc_macros::{Diagnostic, Subdiagnostic}; use rustc_span::Span; @@ -100,7 +100,7 @@ pub(crate) struct DynamicLinkingWithLTO; pub(crate) struct ParseTargetMachineConfig<'a>(pub LlvmError<'a>); impl Diagnostic<'_, G> for ParseTargetMachineConfig<'_> { - fn into_diag(self, dcx: &'_ DiagCtxt, level: Level) -> Diag<'_, G> { + fn into_diag(self, dcx: DiagCtxtHandle<'_>, level: Level) -> Diag<'_, G> { let diag: Diag<'_, G> = self.0.into_diag(dcx, level); let (message, _) = diag.messages.first().expect("`LlvmError` with no message"); let message = dcx.eagerly_translate_to_string(message.clone(), diag.args.iter()); @@ -120,7 +120,7 @@ pub(crate) struct TargetFeatureDisableOrEnable<'a> { pub(crate) struct MissingFeatures; impl Diagnostic<'_, G> for TargetFeatureDisableOrEnable<'_> { - fn into_diag(self, dcx: &'_ DiagCtxt, level: Level) -> Diag<'_, G> { + fn into_diag(self, dcx: DiagCtxtHandle<'_>, level: Level) -> Diag<'_, G> { let mut diag = Diag::new(dcx, level, fluent::codegen_llvm_target_feature_disable_or_enable); if let Some(span) = self.span { diag.span(span); @@ -180,7 +180,7 @@ pub enum LlvmError<'a> { pub(crate) struct WithLlvmError<'a>(pub LlvmError<'a>, pub String); impl Diagnostic<'_, G> for WithLlvmError<'_> { - fn into_diag(self, dcx: &'_ DiagCtxt, level: Level) -> Diag<'_, G> { + fn into_diag(self, dcx: DiagCtxtHandle<'_>, level: Level) -> Diag<'_, G> { use LlvmError::*; let msg_with_llvm_err = match &self.0 { WriteOutput { .. } => fluent::codegen_llvm_write_output_with_llvm_err, diff --git a/compiler/rustc_codegen_llvm/src/lib.rs b/compiler/rustc_codegen_llvm/src/lib.rs index bb76d3883934..4b7a26430071 100644 --- a/compiler/rustc_codegen_llvm/src/lib.rs +++ b/compiler/rustc_codegen_llvm/src/lib.rs @@ -31,7 +31,7 @@ use rustc_codegen_ssa::traits::*; use rustc_codegen_ssa::ModuleCodegen; use rustc_codegen_ssa::{CodegenResults, CompiledModule}; use rustc_data_structures::fx::FxIndexMap; -use rustc_errors::{DiagCtxt, ErrorGuaranteed, FatalError}; +use rustc_errors::{DiagCtxtHandle, ErrorGuaranteed, FatalError}; use rustc_metadata::EncodedMetadata; use rustc_middle::dep_graph::{WorkProduct, WorkProductId}; use rustc_middle::ty::TyCtxt; @@ -191,7 +191,7 @@ impl WriteBackendMethods for LlvmCodegenBackend { } fn run_link( cgcx: &CodegenContext, - dcx: &DiagCtxt, + dcx: DiagCtxtHandle<'_>, modules: Vec>, ) -> Result, FatalError> { back::write::link(cgcx, dcx, modules) @@ -212,7 +212,7 @@ impl WriteBackendMethods for LlvmCodegenBackend { } unsafe fn optimize( cgcx: &CodegenContext, - dcx: &DiagCtxt, + dcx: DiagCtxtHandle<'_>, module: &ModuleCodegen, config: &ModuleConfig, ) -> Result<(), FatalError> { @@ -223,7 +223,8 @@ impl WriteBackendMethods for LlvmCodegenBackend { module: &mut ModuleCodegen, ) -> Result<(), FatalError> { let dcx = cgcx.create_dcx(); - back::lto::run_pass_manager(cgcx, &dcx, module, false) + let dcx = dcx.handle(); + back::lto::run_pass_manager(cgcx, dcx, module, false) } unsafe fn optimize_thin( cgcx: &CodegenContext, @@ -233,7 +234,7 @@ impl WriteBackendMethods for LlvmCodegenBackend { } unsafe fn codegen( cgcx: &CodegenContext, - dcx: &DiagCtxt, + dcx: DiagCtxtHandle<'_>, module: ModuleCodegen, config: &ModuleConfig, ) -> Result { @@ -441,7 +442,7 @@ impl ModuleLlvm { cgcx: &CodegenContext, name: &CStr, buffer: &[u8], - dcx: &DiagCtxt, + dcx: DiagCtxtHandle<'_>, ) -> Result { unsafe { let llcx = llvm::LLVMRustContextCreate(cgcx.fewer_names); diff --git a/compiler/rustc_codegen_ssa/src/back/link.rs b/compiler/rustc_codegen_ssa/src/back/link.rs index bdb808b1d4ff..c352100b01b1 100644 --- a/compiler/rustc_codegen_ssa/src/back/link.rs +++ b/compiler/rustc_codegen_ssa/src/back/link.rs @@ -3,7 +3,7 @@ use rustc_ast::CRATE_NODE_ID; use rustc_data_structures::fx::{FxIndexMap, FxIndexSet}; use rustc_data_structures::memmap::Mmap; use rustc_data_structures::temp_dir::MaybeTempDir; -use rustc_errors::{DiagCtxt, ErrorGuaranteed, FatalError}; +use rustc_errors::{DiagCtxtHandle, ErrorGuaranteed, FatalError}; use rustc_fs_util::{fix_windows_verbatim_for_gcc, try_canonicalize}; use rustc_hir::def_id::{CrateNum, LOCAL_CRATE}; use rustc_metadata::find_native_static_library; @@ -54,7 +54,7 @@ use std::process::{ExitStatus, Output, Stdio}; use std::{env, fmt, fs, io, mem, str}; use tracing::{debug, info, warn}; -pub fn ensure_removed(dcx: &DiagCtxt, path: &Path) { +pub fn ensure_removed(dcx: DiagCtxtHandle<'_>, path: &Path) { if let Err(e) = fs::remove_file(path) { if e.kind() != io::ErrorKind::NotFound { dcx.err(format!("failed to remove {}: {}", path.display(), e)); diff --git a/compiler/rustc_codegen_ssa/src/back/write.rs b/compiler/rustc_codegen_ssa/src/back/write.rs index dec87db0fc5c..064be4988bdd 100644 --- a/compiler/rustc_codegen_ssa/src/back/write.rs +++ b/compiler/rustc_codegen_ssa/src/back/write.rs @@ -891,9 +891,10 @@ fn execute_optimize_work_item( module_config: &ModuleConfig, ) -> Result, FatalError> { let dcx = cgcx.create_dcx(); + let dcx = dcx.handle(); unsafe { - B::optimize(cgcx, &dcx, &module, module_config)?; + B::optimize(cgcx, dcx, &module, module_config)?; } // After we've done the initial round of optimizations we need to @@ -954,7 +955,11 @@ fn execute_copy_from_cache_work_item( match link_or_copy(&source_file, &output_path) { Ok(_) => Some(output_path), Err(error) => { - cgcx.create_dcx().emit_err(errors::CopyPathBuf { source_file, output_path, error }); + cgcx.create_dcx().handle().emit_err(errors::CopyPathBuf { + source_file, + output_path, + error, + }); None } } @@ -987,7 +992,7 @@ fn execute_copy_from_cache_work_item( let bytecode = load_from_incr_cache(module_config.emit_bc, OutputType::Bitcode); let object = load_from_incr_cache(should_emit_obj, OutputType::Object); if should_emit_obj && object.is_none() { - cgcx.create_dcx().emit_fatal(errors::NoSavedObjectFile { cgu_name: &module.name }) + cgcx.create_dcx().handle().emit_fatal(errors::NoSavedObjectFile { cgu_name: &module.name }) } WorkItemResult::Finished(CompiledModule { @@ -1016,12 +1021,13 @@ fn finish_intra_module_work( module_config: &ModuleConfig, ) -> Result, FatalError> { let dcx = cgcx.create_dcx(); + let dcx = dcx.handle(); if !cgcx.opts.unstable_opts.combine_cgu || module.kind == ModuleKind::Metadata || module.kind == ModuleKind::Allocator { - let module = unsafe { B::codegen(cgcx, &dcx, module, module_config)? }; + let module = unsafe { B::codegen(cgcx, dcx, module, module_config)? }; Ok(WorkItemResult::Finished(module)) } else { Ok(WorkItemResult::NeedsLink(module)) @@ -1692,9 +1698,10 @@ fn start_executing_work( if !needs_link.is_empty() { assert!(compiled_modules.is_empty()); let dcx = cgcx.create_dcx(); - let module = B::run_link(&cgcx, &dcx, needs_link).map_err(|_| ())?; + let dcx = dcx.handle(); + let module = B::run_link(&cgcx, dcx, needs_link).map_err(|_| ())?; let module = unsafe { - B::codegen(&cgcx, &dcx, module, cgcx.config(ModuleKind::Regular)).map_err(|_| ())? + B::codegen(&cgcx, dcx, module, cgcx.config(ModuleKind::Regular)).map_err(|_| ())? }; compiled_modules.push(module); } diff --git a/compiler/rustc_codegen_ssa/src/errors.rs b/compiler/rustc_codegen_ssa/src/errors.rs index 3641e7842cfb..e6ba31c51650 100644 --- a/compiler/rustc_codegen_ssa/src/errors.rs +++ b/compiler/rustc_codegen_ssa/src/errors.rs @@ -4,7 +4,7 @@ use crate::assert_module_sources::CguReuse; use crate::back::command::Command; use crate::fluent_generated as fluent; use rustc_errors::{ - codes::*, Diag, DiagArgValue, DiagCtxt, Diagnostic, EmissionGuarantee, IntoDiagArg, Level, + codes::*, Diag, DiagArgValue, DiagCtxtHandle, Diagnostic, EmissionGuarantee, IntoDiagArg, Level, }; use rustc_macros::Diagnostic; use rustc_middle::ty::layout::LayoutError; @@ -215,7 +215,7 @@ pub enum LinkRlibError { pub struct ThorinErrorWrapper(pub thorin::Error); impl Diagnostic<'_, G> for ThorinErrorWrapper { - fn into_diag(self, dcx: &DiagCtxt, level: Level) -> Diag<'_, G> { + fn into_diag(self, dcx: DiagCtxtHandle<'_>, level: Level) -> Diag<'_, G> { let build = |msg| Diag::new(dcx, level, msg); match self.0 { thorin::Error::ReadInput(_) => build(fluent::codegen_ssa_thorin_read_input_failure), @@ -348,7 +348,7 @@ pub struct LinkingFailed<'a> { } impl Diagnostic<'_, G> for LinkingFailed<'_> { - fn into_diag(self, dcx: &DiagCtxt, level: Level) -> Diag<'_, G> { + fn into_diag(self, dcx: DiagCtxtHandle<'_>, level: Level) -> Diag<'_, G> { let mut diag = Diag::new(dcx, level, fluent::codegen_ssa_linking_failed); diag.arg("linker_path", format!("{}", self.linker_path.display())); diag.arg("exit_status", format!("{}", self.exit_status)); diff --git a/compiler/rustc_codegen_ssa/src/traits/write.rs b/compiler/rustc_codegen_ssa/src/traits/write.rs index f83e34ab01bc..f4b1421a5329 100644 --- a/compiler/rustc_codegen_ssa/src/traits/write.rs +++ b/compiler/rustc_codegen_ssa/src/traits/write.rs @@ -2,7 +2,7 @@ use crate::back::lto::{LtoModuleCodegen, SerializedModule, ThinModule}; use crate::back::write::{CodegenContext, FatLtoInput, ModuleConfig}; use crate::{CompiledModule, ModuleCodegen}; -use rustc_errors::{DiagCtxt, FatalError}; +use rustc_errors::{DiagCtxtHandle, FatalError}; use rustc_middle::dep_graph::WorkProduct; pub trait WriteBackendMethods: 'static + Sized + Clone { @@ -16,7 +16,7 @@ pub trait WriteBackendMethods: 'static + Sized + Clone { /// Merge all modules into main_module and returning it fn run_link( cgcx: &CodegenContext, - dcx: &DiagCtxt, + dcx: DiagCtxtHandle<'_>, modules: Vec>, ) -> Result, FatalError>; /// Performs fat LTO by merging all modules into a single one and returning it @@ -38,7 +38,7 @@ pub trait WriteBackendMethods: 'static + Sized + Clone { fn print_statistics(&self); unsafe fn optimize( cgcx: &CodegenContext, - dcx: &DiagCtxt, + dcx: DiagCtxtHandle<'_>, module: &ModuleCodegen, config: &ModuleConfig, ) -> Result<(), FatalError>; @@ -52,7 +52,7 @@ pub trait WriteBackendMethods: 'static + Sized + Clone { ) -> Result, FatalError>; unsafe fn codegen( cgcx: &CodegenContext, - dcx: &DiagCtxt, + dcx: DiagCtxtHandle<'_>, module: ModuleCodegen, config: &ModuleConfig, ) -> Result; diff --git a/compiler/rustc_const_eval/src/check_consts/mod.rs b/compiler/rustc_const_eval/src/check_consts/mod.rs index 308b90cd470d..ac8f0d842ee4 100644 --- a/compiler/rustc_const_eval/src/check_consts/mod.rs +++ b/compiler/rustc_const_eval/src/check_consts/mod.rs @@ -5,7 +5,7 @@ //! it finds operations that are invalid in a certain context. use rustc_attr as attr; -use rustc_errors::DiagCtxt; +use rustc_errors::DiagCtxtHandle; use rustc_hir as hir; use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_middle::bug; @@ -46,7 +46,7 @@ impl<'mir, 'tcx> ConstCx<'mir, 'tcx> { ConstCx { body, tcx, param_env, const_kind } } - pub(crate) fn dcx(&self) -> &'tcx DiagCtxt { + pub(crate) fn dcx(&self) -> DiagCtxtHandle<'tcx> { self.tcx.dcx() } diff --git a/compiler/rustc_const_eval/src/errors.rs b/compiler/rustc_const_eval/src/errors.rs index 91d17fdd8959..5fa48a59794b 100644 --- a/compiler/rustc_const_eval/src/errors.rs +++ b/compiler/rustc_const_eval/src/errors.rs @@ -2,7 +2,7 @@ use std::borrow::Cow; use either::Either; use rustc_errors::{ - codes::*, Diag, DiagArgValue, DiagCtxt, DiagMessage, Diagnostic, EmissionGuarantee, Level, + codes::*, Diag, DiagArgValue, DiagCtxtHandle, DiagMessage, Diagnostic, EmissionGuarantee, Level, }; use rustc_hir::ConstContext; use rustc_macros::{Diagnostic, LintDiagnostic, Subdiagnostic}; @@ -453,7 +453,7 @@ pub trait ReportErrorExt { } } -fn bad_pointer_message(msg: CheckInAllocMsg, dcx: &DiagCtxt) -> String { +fn bad_pointer_message(msg: CheckInAllocMsg, dcx: DiagCtxtHandle<'_>) -> String { use crate::fluent_generated::*; let msg = match msg { diff --git a/compiler/rustc_const_eval/src/interpret/eval_context.rs b/compiler/rustc_const_eval/src/interpret/eval_context.rs index 86325c5ae240..f602d989e080 100644 --- a/compiler/rustc_const_eval/src/interpret/eval_context.rs +++ b/compiler/rustc_const_eval/src/interpret/eval_context.rs @@ -4,7 +4,7 @@ use std::{fmt, mem}; use either::{Either, Left, Right}; use tracing::{debug, info, info_span, instrument, trace}; -use rustc_errors::DiagCtxt; +use rustc_errors::DiagCtxtHandle; use rustc_hir::{self as hir, def_id::DefId, definitions::DefPathData}; use rustc_index::IndexVec; use rustc_middle::mir; @@ -474,7 +474,7 @@ pub(super) fn from_known_layout<'tcx>( /// /// This is NOT the preferred way to render an error; use `report` from `const_eval` instead. /// However, this is useful when error messages appear in ICEs. -pub fn format_interp_error<'tcx>(dcx: &DiagCtxt, e: InterpErrorInfo<'tcx>) -> String { +pub fn format_interp_error<'tcx>(dcx: DiagCtxtHandle<'_>, e: InterpErrorInfo<'tcx>) -> String { let (e, backtrace) = e.into_parts(); backtrace.print_backtrace(); // FIXME(fee1-dead), HACK: we want to use the error as title therefore we can just extract the diff --git a/compiler/rustc_driver_impl/src/lib.rs b/compiler/rustc_driver_impl/src/lib.rs index 9acff4a0a26c..5ffa3a6099c0 100644 --- a/compiler/rustc_driver_impl/src/lib.rs +++ b/compiler/rustc_driver_impl/src/lib.rs @@ -1444,6 +1444,7 @@ fn report_ice( fallback_bundle, )); let dcx = rustc_errors::DiagCtxt::new(emitter); + let dcx = dcx.handle(); // a .span_bug or .bug call has already printed what // it wants to print. @@ -1509,7 +1510,7 @@ fn report_ice( let num_frames = if backtrace { None } else { Some(2) }; - interface::try_print_query_stack(&dcx, num_frames, file); + interface::try_print_query_stack(dcx, num_frames, file); // We don't trust this callback not to panic itself, so run it at the end after we're sure we've // printed all the relevant info. diff --git a/compiler/rustc_errors/src/diagnostic.rs b/compiler/rustc_errors/src/diagnostic.rs index 34b569c42068..c03dccdb3253 100644 --- a/compiler/rustc_errors/src/diagnostic.rs +++ b/compiler/rustc_errors/src/diagnostic.rs @@ -1,7 +1,7 @@ use crate::snippet::Style; use crate::{ - CodeSuggestion, DiagCtxt, DiagMessage, ErrCode, ErrorGuaranteed, ExplicitBug, Level, MultiSpan, - StashKey, SubdiagMessage, Substitution, SubstitutionPart, SuggestionStyle, + CodeSuggestion, DiagCtxtHandle, DiagMessage, ErrCode, ErrorGuaranteed, ExplicitBug, Level, + MultiSpan, StashKey, SubdiagMessage, Substitution, SubstitutionPart, SuggestionStyle, }; use rustc_data_structures::fx::FxIndexMap; use rustc_error_messages::fluent_value_from_str_list_sep_by_and; @@ -133,7 +133,7 @@ impl EmissionGuarantee for rustc_span::fatal_error::FatalError { pub trait Diagnostic<'a, G: EmissionGuarantee = ErrorGuaranteed> { /// Write out as a diagnostic out of `DiagCtxt`. #[must_use] - fn into_diag(self, dcx: &'a DiagCtxt, level: Level) -> Diag<'a, G>; + fn into_diag(self, dcx: DiagCtxtHandle<'a>, level: Level) -> Diag<'a, G>; } impl<'a, T, G> Diagnostic<'a, G> for Spanned @@ -141,7 +141,7 @@ where T: Diagnostic<'a, G>, G: EmissionGuarantee, { - fn into_diag(self, dcx: &'a DiagCtxt, level: Level) -> Diag<'a, G> { + fn into_diag(self, dcx: DiagCtxtHandle<'a>, level: Level) -> Diag<'a, G> { self.node.into_diag(dcx, level).with_span(self.span) } } @@ -490,7 +490,7 @@ pub struct Subdiag { /// the methods of `Diag` here, consider extending `DiagCtxtFlags`. #[must_use] pub struct Diag<'a, G: EmissionGuarantee = ErrorGuaranteed> { - pub dcx: &'a DiagCtxt, + pub dcx: DiagCtxtHandle<'a>, /// Why the `Option`? It is always `Some` until the `Diag` is consumed via /// `emit`, `cancel`, etc. At that point it is consumed and replaced with @@ -578,13 +578,13 @@ macro_rules! with_fn { impl<'a, G: EmissionGuarantee> Diag<'a, G> { #[rustc_lint_diagnostics] #[track_caller] - pub fn new(dcx: &'a DiagCtxt, level: Level, message: impl Into) -> Self { + pub fn new(dcx: DiagCtxtHandle<'a>, level: Level, message: impl Into) -> Self { Self::new_diagnostic(dcx, DiagInner::new(level, message)) } /// Creates a new `Diag` with an already constructed diagnostic. #[track_caller] - pub(crate) fn new_diagnostic(dcx: &'a DiagCtxt, diag: DiagInner) -> Self { + pub(crate) fn new_diagnostic(dcx: DiagCtxtHandle<'a>, diag: DiagInner) -> Self { debug!("Created new diagnostic"); Self { dcx, diag: Some(Box::new(diag)), _marker: PhantomData } } @@ -1194,7 +1194,7 @@ impl<'a, G: EmissionGuarantee> Diag<'a, G> { #[rustc_lint_diagnostics] pub fn subdiagnostic( &mut self, - dcx: &crate::DiagCtxt, + dcx: DiagCtxtHandle<'_>, subdiagnostic: impl Subdiagnostic, ) -> &mut Self { subdiagnostic.add_to_diag_with(self, &|diag, msg| { @@ -1341,7 +1341,8 @@ impl<'a, G: EmissionGuarantee> Diag<'a, G> { /// See `DiagCtxt::stash_diagnostic` for details. pub fn stash(mut self, span: Span, key: StashKey) -> Option { - self.dcx.stash_diagnostic(span, key, self.take_diag()) + let diag = self.take_diag(); + self.dcx.stash_diagnostic(span, key, diag) } /// Delay emission of this diagnostic as a bug. diff --git a/compiler/rustc_errors/src/diagnostic_impls.rs b/compiler/rustc_errors/src/diagnostic_impls.rs index ee6df8e15db8..0af80bc5c67b 100644 --- a/compiler/rustc_errors/src/diagnostic_impls.rs +++ b/compiler/rustc_errors/src/diagnostic_impls.rs @@ -1,7 +1,7 @@ use crate::diagnostic::DiagLocation; -use crate::{fluent_generated as fluent, Subdiagnostic}; +use crate::{fluent_generated as fluent, DiagCtxtHandle, Subdiagnostic}; use crate::{ - Diag, DiagArgValue, DiagCtxt, Diagnostic, EmissionGuarantee, ErrCode, IntoDiagArg, Level, + Diag, DiagArgValue, Diagnostic, EmissionGuarantee, ErrCode, IntoDiagArg, Level, SubdiagMessageOp, }; use rustc_ast as ast; @@ -315,7 +315,7 @@ impl IntoDiagArg for DiagSymbolList { } impl Diagnostic<'_, G> for TargetDataLayoutErrors<'_> { - fn into_diag(self, dcx: &DiagCtxt, level: Level) -> Diag<'_, G> { + fn into_diag(self, dcx: DiagCtxtHandle<'_>, level: Level) -> Diag<'_, G> { match self { TargetDataLayoutErrors::InvalidAddressSpace { addr_space, err, cause } => { Diag::new(dcx, level, fluent::errors_target_invalid_address_space) diff --git a/compiler/rustc_errors/src/emitter.rs b/compiler/rustc_errors/src/emitter.rs index 5d4d2555100e..245deda50d5c 100644 --- a/compiler/rustc_errors/src/emitter.rs +++ b/compiler/rustc_errors/src/emitter.rs @@ -567,7 +567,7 @@ impl Emitter for SilentEmitter { if let Some(fatal_note) = &self.fatal_note { diag.sub(Level::Note, fatal_note.clone(), MultiSpan::new()); } - self.fatal_dcx.emit_diagnostic(diag); + self.fatal_dcx.handle().emit_diagnostic(diag); } } } diff --git a/compiler/rustc_errors/src/json/tests.rs b/compiler/rustc_errors/src/json/tests.rs index 80b4d2bf75c0..e4b29fc9103d 100644 --- a/compiler/rustc_errors/src/json/tests.rs +++ b/compiler/rustc_errors/src/json/tests.rs @@ -55,8 +55,7 @@ fn test_positions(code: &str, span: (u32, u32), expected_output: SpanTestData) { ); let span = Span::with_root_ctxt(BytePos(span.0), BytePos(span.1)); - let dcx = DiagCtxt::new(Box::new(je)); - dcx.span_err(span, "foo"); + DiagCtxt::new(Box::new(je)).handle().span_err(span, "foo"); let bytes = output.lock().unwrap(); let actual_output = str::from_utf8(&bytes).unwrap(); diff --git a/compiler/rustc_errors/src/lib.rs b/compiler/rustc_errors/src/lib.rs index 4dc5d84b318b..83d5bbff0b0a 100644 --- a/compiler/rustc_errors/src/lib.rs +++ b/compiler/rustc_errors/src/lib.rs @@ -414,6 +414,19 @@ pub struct DiagCtxt { inner: Lock, } +#[derive(Copy, Clone)] +pub struct DiagCtxtHandle<'a> { + dcx: &'a DiagCtxt, +} + +impl<'a> std::ops::Deref for DiagCtxtHandle<'a> { + type Target = &'a DiagCtxt; + + fn deref(&self) -> &Self::Target { + &self.dcx + } +} + /// This inner struct exists to keep it all behind a single lock; /// this is done to prevent possible deadlocks in a multi-threaded compiler, /// as well as inconsistent state observation. @@ -608,7 +621,7 @@ impl DiagCtxt { } pub fn make_silent( - &mut self, + &self, fallback_bundle: LazyFallbackBundle, fatal_note: Option, emit_fatal_diagnostic: bool, @@ -623,7 +636,7 @@ impl DiagCtxt { }); } - fn wrap_emitter(&mut self, f: F) + fn wrap_emitter(&self, f: F) where F: FnOnce(DiagCtxtInner) -> Box, { @@ -738,6 +751,12 @@ impl DiagCtxt { *fulfilled_expectations = Default::default(); } + pub fn handle<'a>(&'a self) -> DiagCtxtHandle<'a> { + DiagCtxtHandle { dcx: self } + } +} + +impl<'a> DiagCtxtHandle<'a> { /// Stashes a diagnostic for possible later improvement in a different, /// later stage of the compiler. Possible actions depend on the diagnostic /// level: @@ -745,8 +764,8 @@ impl DiagCtxt { /// - Level::Error: immediately counted as an error that has occurred, because it /// is guaranteed to be emitted eventually. Can be later accessed with the /// provided `span` and `key` through - /// [`DiagCtxt::try_steal_modify_and_emit_err`] or - /// [`DiagCtxt::try_steal_replace_and_emit_err`]. These do not allow + /// [`DiagCtxtHandle::try_steal_modify_and_emit_err`] or + /// [`DiagCtxtHandle::try_steal_replace_and_emit_err`]. These do not allow /// cancellation or downgrading of the error. Returns /// `Some(ErrorGuaranteed)`. /// - Level::DelayedBug: this does happen occasionally with errors that are @@ -757,7 +776,7 @@ impl DiagCtxt { /// user-facing error. Returns `Some(ErrorGuaranteed)` as is normal for /// delayed bugs. /// - Level::Warning and lower (i.e. !is_error()): can be accessed with the - /// provided `span` and `key` through [`DiagCtxt::steal_non_err()`]. This + /// provided `span` and `key` through [`DiagCtxtHandle::steal_non_err()`]. This /// allows cancelling and downgrading of the diagnostic. Returns `None`. pub fn stash_diagnostic( &self, @@ -793,7 +812,7 @@ impl DiagCtxt { /// Steal a previously stashed non-error diagnostic with the given `Span` /// and [`StashKey`] as the key. Panics if the found diagnostic is an /// error. - pub fn steal_non_err(&self, span: Span, key: StashKey) -> Option> { + pub fn steal_non_err(self, span: Span, key: StashKey) -> Option> { let key = (span.with_parent(None), key); // FIXME(#120456) - is `swap_remove` correct? let (diag, guar) = self.inner.borrow_mut().stashed_diagnostics.swap_remove(&key)?; @@ -807,7 +826,7 @@ impl DiagCtxt { /// no matching diagnostic is found. Panics if the found diagnostic's level /// isn't `Level::Error`. pub fn try_steal_modify_and_emit_err( - &self, + self, span: Span, key: StashKey, mut modify_err: F, @@ -833,7 +852,7 @@ impl DiagCtxt { /// [`StashKey`] as the key, cancels it if found, and emits `new_err`. /// Panics if the found diagnostic's level isn't `Level::Error`. pub fn try_steal_replace_and_emit_err( - &self, + self, span: Span, key: StashKey, new_err: Diag<'_>, @@ -1106,18 +1125,18 @@ impl DiagCtxt { // // Functions beginning with `struct_`/`create_` create a diagnostic. Other // functions create and emit a diagnostic all in one go. -impl DiagCtxt { +impl<'a> DiagCtxtHandle<'a> { // No `#[rustc_lint_diagnostics]` and no `impl Into` because bug messages aren't // user-facing. #[track_caller] - pub fn struct_bug(&self, msg: impl Into>) -> Diag<'_, BugAbort> { + pub fn struct_bug(self, msg: impl Into>) -> Diag<'a, BugAbort> { Diag::new(self, Bug, msg.into()) } // No `#[rustc_lint_diagnostics]` and no `impl Into` because bug messages aren't // user-facing. #[track_caller] - pub fn bug(&self, msg: impl Into>) -> ! { + pub fn bug(self, msg: impl Into>) -> ! { self.struct_bug(msg).emit() } @@ -1125,111 +1144,108 @@ impl DiagCtxt { // user-facing. #[track_caller] pub fn struct_span_bug( - &self, + self, span: impl Into, msg: impl Into>, - ) -> Diag<'_, BugAbort> { + ) -> Diag<'a, BugAbort> { self.struct_bug(msg).with_span(span) } // No `#[rustc_lint_diagnostics]` and no `impl Into` because bug messages aren't // user-facing. #[track_caller] - pub fn span_bug(&self, span: impl Into, msg: impl Into>) -> ! { + pub fn span_bug(self, span: impl Into, msg: impl Into>) -> ! { self.struct_span_bug(span, msg.into()).emit() } #[track_caller] - pub fn create_bug<'a>(&'a self, bug: impl Diagnostic<'a, BugAbort>) -> Diag<'a, BugAbort> { + pub fn create_bug(self, bug: impl Diagnostic<'a, BugAbort>) -> Diag<'a, BugAbort> { bug.into_diag(self, Bug) } #[track_caller] - pub fn emit_bug<'a>(&'a self, bug: impl Diagnostic<'a, BugAbort>) -> ! { + pub fn emit_bug(self, bug: impl Diagnostic<'a, BugAbort>) -> ! { self.create_bug(bug).emit() } #[rustc_lint_diagnostics] #[track_caller] - pub fn struct_fatal(&self, msg: impl Into) -> Diag<'_, FatalAbort> { + pub fn struct_fatal(self, msg: impl Into) -> Diag<'a, FatalAbort> { Diag::new(self, Fatal, msg) } #[rustc_lint_diagnostics] #[track_caller] - pub fn fatal(&self, msg: impl Into) -> ! { + pub fn fatal(self, msg: impl Into) -> ! { self.struct_fatal(msg).emit() } #[rustc_lint_diagnostics] #[track_caller] pub fn struct_span_fatal( - &self, + self, span: impl Into, msg: impl Into, - ) -> Diag<'_, FatalAbort> { + ) -> Diag<'a, FatalAbort> { self.struct_fatal(msg).with_span(span) } #[rustc_lint_diagnostics] #[track_caller] - pub fn span_fatal(&self, span: impl Into, msg: impl Into) -> ! { + pub fn span_fatal(self, span: impl Into, msg: impl Into) -> ! { self.struct_span_fatal(span, msg).emit() } #[track_caller] - pub fn create_fatal<'a>( - &'a self, - fatal: impl Diagnostic<'a, FatalAbort>, - ) -> Diag<'a, FatalAbort> { + pub fn create_fatal(self, fatal: impl Diagnostic<'a, FatalAbort>) -> Diag<'a, FatalAbort> { fatal.into_diag(self, Fatal) } #[track_caller] - pub fn emit_fatal<'a>(&'a self, fatal: impl Diagnostic<'a, FatalAbort>) -> ! { + pub fn emit_fatal(self, fatal: impl Diagnostic<'a, FatalAbort>) -> ! { self.create_fatal(fatal).emit() } #[track_caller] - pub fn create_almost_fatal<'a>( - &'a self, + pub fn create_almost_fatal( + self, fatal: impl Diagnostic<'a, FatalError>, ) -> Diag<'a, FatalError> { fatal.into_diag(self, Fatal) } #[track_caller] - pub fn emit_almost_fatal<'a>(&'a self, fatal: impl Diagnostic<'a, FatalError>) -> FatalError { + pub fn emit_almost_fatal(self, fatal: impl Diagnostic<'a, FatalError>) -> FatalError { self.create_almost_fatal(fatal).emit() } // FIXME: This method should be removed (every error should have an associated error code). #[rustc_lint_diagnostics] #[track_caller] - pub fn struct_err(&self, msg: impl Into) -> Diag<'_> { + pub fn struct_err(self, msg: impl Into) -> Diag<'a> { Diag::new(self, Error, msg) } #[rustc_lint_diagnostics] #[track_caller] - pub fn err(&self, msg: impl Into) -> ErrorGuaranteed { + pub fn err(self, msg: impl Into) -> ErrorGuaranteed { self.struct_err(msg).emit() } #[rustc_lint_diagnostics] #[track_caller] pub fn struct_span_err( - &self, + self, span: impl Into, msg: impl Into, - ) -> Diag<'_> { + ) -> Diag<'a> { self.struct_err(msg).with_span(span) } #[rustc_lint_diagnostics] #[track_caller] pub fn span_err( - &self, + self, span: impl Into, msg: impl Into, ) -> ErrorGuaranteed { @@ -1237,12 +1253,12 @@ impl DiagCtxt { } #[track_caller] - pub fn create_err<'a>(&'a self, err: impl Diagnostic<'a>) -> Diag<'a> { + pub fn create_err(self, err: impl Diagnostic<'a>) -> Diag<'a> { err.into_diag(self, Error) } #[track_caller] - pub fn emit_err<'a>(&'a self, err: impl Diagnostic<'a>) -> ErrorGuaranteed { + pub fn emit_err(self, err: impl Diagnostic<'a>) -> ErrorGuaranteed { self.create_err(err).emit() } @@ -1251,7 +1267,7 @@ impl DiagCtxt { // No `#[rustc_lint_diagnostics]` and no `impl Into` because bug messages aren't // user-facing. #[track_caller] - pub fn delayed_bug(&self, msg: impl Into>) -> ErrorGuaranteed { + pub fn delayed_bug(self, msg: impl Into>) -> ErrorGuaranteed { Diag::::new(self, DelayedBug, msg.into()).emit() } @@ -1264,7 +1280,7 @@ impl DiagCtxt { // user-facing. #[track_caller] pub fn span_delayed_bug( - &self, + self, sp: impl Into, msg: impl Into>, ) -> ErrorGuaranteed { @@ -1273,45 +1289,45 @@ impl DiagCtxt { #[rustc_lint_diagnostics] #[track_caller] - pub fn struct_warn(&self, msg: impl Into) -> Diag<'_, ()> { + pub fn struct_warn(self, msg: impl Into) -> Diag<'a, ()> { Diag::new(self, Warning, msg) } #[rustc_lint_diagnostics] #[track_caller] - pub fn warn(&self, msg: impl Into) { + pub fn warn(self, msg: impl Into) { self.struct_warn(msg).emit() } #[rustc_lint_diagnostics] #[track_caller] pub fn struct_span_warn( - &self, + self, span: impl Into, msg: impl Into, - ) -> Diag<'_, ()> { + ) -> Diag<'a, ()> { self.struct_warn(msg).with_span(span) } #[rustc_lint_diagnostics] #[track_caller] - pub fn span_warn(&self, span: impl Into, msg: impl Into) { + pub fn span_warn(self, span: impl Into, msg: impl Into) { self.struct_span_warn(span, msg).emit() } #[track_caller] - pub fn create_warn<'a>(&'a self, warning: impl Diagnostic<'a, ()>) -> Diag<'a, ()> { + pub fn create_warn(self, warning: impl Diagnostic<'a, ()>) -> Diag<'a, ()> { warning.into_diag(self, Warning) } #[track_caller] - pub fn emit_warn<'a>(&'a self, warning: impl Diagnostic<'a, ()>) { + pub fn emit_warn(self, warning: impl Diagnostic<'a, ()>) { self.create_warn(warning).emit() } #[rustc_lint_diagnostics] #[track_caller] - pub fn struct_note(&self, msg: impl Into) -> Diag<'_, ()> { + pub fn struct_note(self, msg: impl Into) -> Diag<'a, ()> { Diag::new(self, Note, msg) } @@ -1324,54 +1340,50 @@ impl DiagCtxt { #[rustc_lint_diagnostics] #[track_caller] pub fn struct_span_note( - &self, + self, span: impl Into, msg: impl Into, - ) -> Diag<'_, ()> { + ) -> Diag<'a, ()> { self.struct_note(msg).with_span(span) } #[rustc_lint_diagnostics] #[track_caller] - pub fn span_note(&self, span: impl Into, msg: impl Into) { + pub fn span_note(self, span: impl Into, msg: impl Into) { self.struct_span_note(span, msg).emit() } #[track_caller] - pub fn create_note<'a>(&'a self, note: impl Diagnostic<'a, ()>) -> Diag<'a, ()> { + pub fn create_note(self, note: impl Diagnostic<'a, ()>) -> Diag<'a, ()> { note.into_diag(self, Note) } #[track_caller] - pub fn emit_note<'a>(&'a self, note: impl Diagnostic<'a, ()>) { + pub fn emit_note(self, note: impl Diagnostic<'a, ()>) { self.create_note(note).emit() } #[rustc_lint_diagnostics] #[track_caller] - pub fn struct_help(&self, msg: impl Into) -> Diag<'_, ()> { + pub fn struct_help(self, msg: impl Into) -> Diag<'a, ()> { Diag::new(self, Help, msg) } #[rustc_lint_diagnostics] #[track_caller] - pub fn struct_failure_note(&self, msg: impl Into) -> Diag<'_, ()> { + pub fn struct_failure_note(self, msg: impl Into) -> Diag<'a, ()> { Diag::new(self, FailureNote, msg) } #[rustc_lint_diagnostics] #[track_caller] - pub fn struct_allow(&self, msg: impl Into) -> Diag<'_, ()> { + pub fn struct_allow(self, msg: impl Into) -> Diag<'a, ()> { Diag::new(self, Allow, msg) } #[rustc_lint_diagnostics] #[track_caller] - pub fn struct_expect( - &self, - msg: impl Into, - id: LintExpectationId, - ) -> Diag<'_, ()> { + pub fn struct_expect(self, msg: impl Into, id: LintExpectationId) -> Diag<'a, ()> { Diag::new(self, Expect(id), msg) } } diff --git a/compiler/rustc_expand/src/base.rs b/compiler/rustc_expand/src/base.rs index b06b1f31c265..ddc6490ac0c5 100644 --- a/compiler/rustc_expand/src/base.rs +++ b/compiler/rustc_expand/src/base.rs @@ -12,7 +12,7 @@ use rustc_ast::{self as ast, AttrVec, Attribute, HasAttrs, Item, NodeId, PatKind use rustc_attr::{self as attr, Deprecation, Stability}; use rustc_data_structures::fx::FxIndexMap; use rustc_data_structures::sync::{self, Lrc}; -use rustc_errors::{DiagCtxt, ErrorGuaranteed, PResult}; +use rustc_errors::{DiagCtxtHandle, ErrorGuaranteed, PResult}; use rustc_feature::Features; use rustc_lint_defs::{BufferedEarlyLint, RegisteredTools}; use rustc_parse::{parser::Parser, MACRO_ARGUMENTS}; @@ -1135,7 +1135,7 @@ impl<'a> ExtCtxt<'a> { } } - pub fn dcx(&self) -> &'a DiagCtxt { + pub fn dcx(&self) -> DiagCtxtHandle<'a> { self.sess.dcx() } @@ -1256,7 +1256,7 @@ pub fn resolve_path(sess: &Session, path: impl Into, span: Span) -> PRe } pub fn parse_macro_name_and_helper_attrs( - dcx: &rustc_errors::DiagCtxt, + dcx: DiagCtxtHandle<'_>, attr: &Attribute, macro_type: &str, ) -> Option<(Symbol, Vec)> { diff --git a/compiler/rustc_expand/src/mbe/diagnostics.rs b/compiler/rustc_expand/src/mbe/diagnostics.rs index 442fd654b6ae..85ecfa621883 100644 --- a/compiler/rustc_expand/src/mbe/diagnostics.rs +++ b/compiler/rustc_expand/src/mbe/diagnostics.rs @@ -7,7 +7,7 @@ use crate::mbe::{ use rustc_ast::token::{self, Token, TokenKind}; use rustc_ast::tokenstream::TokenStream; use rustc_ast_pretty::pprust; -use rustc_errors::{Applicability, Diag, DiagCtxt, DiagMessage}; +use rustc_errors::{Applicability, Diag, DiagCtxtHandle, DiagMessage}; use rustc_macros::Subdiagnostic; use rustc_parse::parser::{Parser, Recovery}; use rustc_span::source_map::SourceMap; @@ -324,7 +324,12 @@ enum ExplainDocComment { }, } -pub(super) fn annotate_doc_comment(dcx: &DiagCtxt, err: &mut Diag<'_>, sm: &SourceMap, span: Span) { +pub(super) fn annotate_doc_comment( + dcx: DiagCtxtHandle<'_>, + err: &mut Diag<'_>, + sm: &SourceMap, + span: Span, +) { if let Ok(src) = sm.span_to_snippet(span) { if src.starts_with("///") || src.starts_with("/**") { err.subdiagnostic(dcx, ExplainDocComment::Outer { span }); diff --git a/compiler/rustc_expand/src/mbe/transcribe.rs b/compiler/rustc_expand/src/mbe/transcribe.rs index 6e6afe74df1c..f935f1b77e0b 100644 --- a/compiler/rustc_expand/src/mbe/transcribe.rs +++ b/compiler/rustc_expand/src/mbe/transcribe.rs @@ -10,7 +10,7 @@ use rustc_ast::token::IdentIsRaw; use rustc_ast::token::{self, Delimiter, Token, TokenKind}; use rustc_ast::tokenstream::{DelimSpacing, DelimSpan, Spacing, TokenStream, TokenTree}; use rustc_data_structures::fx::FxHashMap; -use rustc_errors::{pluralize, Diag, DiagCtxt, PResult}; +use rustc_errors::{pluralize, Diag, DiagCtxtHandle, PResult}; use rustc_parse::parser::ParseNtResult; use rustc_session::parse::ParseSess; use rustc_span::hygiene::{LocalExpnId, Transparency}; @@ -571,7 +571,7 @@ fn lockstep_iter_size( /// * `[ $( ${count(foo, 1)} ),* ]` will return an error because `${count(foo, 1)}` is /// declared inside a single repetition and the index `1` implies two nested repetitions. fn count_repetitions<'a>( - dcx: &'a DiagCtxt, + dcx: DiagCtxtHandle<'a>, depth_user: usize, mut matched: &NamedMatch, repeats: &[(usize, usize)], @@ -632,7 +632,7 @@ fn count_repetitions<'a>( /// Returns a `NamedMatch` item declared on the LHS given an arbitrary [Ident] fn matched_from_ident<'ctx, 'interp, 'rslt>( - dcx: &'ctx DiagCtxt, + dcx: DiagCtxtHandle<'ctx>, ident: Ident, interp: &'interp FxHashMap, ) -> PResult<'ctx, &'rslt NamedMatch> @@ -646,7 +646,7 @@ where /// Used by meta-variable expressions when an user input is out of the actual declared bounds. For /// example, index(999999) in an repetition of only three elements. -fn out_of_bounds_err<'a>(dcx: &'a DiagCtxt, max: usize, span: Span, ty: &str) -> Diag<'a> { +fn out_of_bounds_err<'a>(dcx: DiagCtxtHandle<'a>, max: usize, span: Span, ty: &str) -> Diag<'a> { let msg = if max == 0 { format!( "meta-variable expression `{ty}` with depth parameter \ @@ -662,7 +662,7 @@ fn out_of_bounds_err<'a>(dcx: &'a DiagCtxt, max: usize, span: Span, ty: &str) -> } fn transcribe_metavar_expr<'a>( - dcx: &'a DiagCtxt, + dcx: DiagCtxtHandle<'a>, expr: &MetaVarExpr, interp: &FxHashMap, marker: &mut Marker, @@ -730,7 +730,7 @@ fn transcribe_metavar_expr<'a>( /// Extracts an identifier that can be originated from a `$var:ident` variable or from a token tree. fn extract_ident<'a>( - dcx: &'a DiagCtxt, + dcx: DiagCtxtHandle<'a>, ident: Ident, interp: &FxHashMap, ) -> PResult<'a, String> { diff --git a/compiler/rustc_hir_analysis/src/errors.rs b/compiler/rustc_hir_analysis/src/errors.rs index 41dceea2e328..cff8d5a5ea50 100644 --- a/compiler/rustc_hir_analysis/src/errors.rs +++ b/compiler/rustc_hir_analysis/src/errors.rs @@ -2,7 +2,7 @@ use crate::fluent_generated as fluent; use rustc_errors::{ - codes::*, Applicability, Diag, DiagCtxt, Diagnostic, EmissionGuarantee, Level, MultiSpan, + codes::*, Applicability, Diag, DiagCtxtHandle, Diagnostic, EmissionGuarantee, Level, MultiSpan, }; use rustc_macros::{Diagnostic, LintDiagnostic, Subdiagnostic}; use rustc_middle::ty::Ty; @@ -424,7 +424,7 @@ pub struct MissingTypeParams { // Manual implementation of `Diagnostic` to be able to call `span_to_snippet`. impl<'a, G: EmissionGuarantee> Diagnostic<'a, G> for MissingTypeParams { #[track_caller] - fn into_diag(self, dcx: &'a DiagCtxt, level: Level) -> Diag<'a, G> { + fn into_diag(self, dcx: DiagCtxtHandle<'a>, level: Level) -> Diag<'a, G> { let mut err = Diag::new(dcx, level, fluent::hir_analysis_missing_type_params); err.span(self.span); err.code(E0393); diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs index ee4eec99b2b4..1713d75092e2 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs @@ -5,14 +5,13 @@ mod checks; mod inspect_obligations; mod suggestions; -use rustc_errors::ErrorGuaranteed; +use rustc_errors::{DiagCtxtHandle, ErrorGuaranteed}; use crate::coercion::DynamicCoerceMany; use crate::fallback::DivergingFallbackBehavior; use crate::fn_ctxt::checks::DivergingBlockBehavior; use crate::{CoroutineTypes, Diverges, EnclosingBreakables, TypeckRootCtxt}; use hir::def_id::CRATE_DEF_ID; -use rustc_errors::DiagCtxt; use rustc_hir as hir; use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_hir_analysis::hir_ty_lowering::{HirTyLowerer, RegionInferReason}; @@ -145,7 +144,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } } - pub(crate) fn dcx(&self) -> &'tcx DiagCtxt { + pub(crate) fn dcx(&self) -> DiagCtxtHandle<'tcx> { self.infcx.dcx() } diff --git a/compiler/rustc_infer/src/infer/error_reporting/mod.rs b/compiler/rustc_infer/src/infer/error_reporting/mod.rs index 4717e3d60479..5966bae4cde5 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/mod.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/mod.rs @@ -61,8 +61,8 @@ use crate::traits::{ use crate::infer::relate::{self, RelateResult, TypeRelation}; use rustc_data_structures::fx::{FxIndexMap, FxIndexSet}; use rustc_errors::{ - codes::*, pluralize, struct_span_code_err, Applicability, Diag, DiagCtxt, DiagStyledString, - ErrorGuaranteed, IntoDiagArg, StringPart, + codes::*, pluralize, struct_span_code_err, Applicability, Diag, DiagCtxtHandle, + DiagStyledString, ErrorGuaranteed, IntoDiagArg, StringPart, }; use rustc_hir::def::DefKind; use rustc_hir::def_id::{DefId, LocalDefId}; @@ -139,7 +139,7 @@ pub struct TypeErrCtxt<'a, 'tcx> { } impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> { - pub fn dcx(&self) -> &'tcx DiagCtxt { + pub fn dcx(&self) -> DiagCtxtHandle<'tcx> { self.infcx.dcx() } diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs index 8412912b9f37..c908faec7560 100644 --- a/compiler/rustc_infer/src/infer/mod.rs +++ b/compiler/rustc_infer/src/infer/mod.rs @@ -4,6 +4,7 @@ pub use lexical_region_resolve::RegionResolutionError; pub use relate::combine::CombineFields; pub use relate::combine::PredicateEmittingRelation; pub use relate::StructurallyRelateAliases; +use rustc_errors::DiagCtxtHandle; pub use rustc_macros::{TypeFoldable, TypeVisitable}; pub use rustc_middle::ty::IntVarValue; pub use BoundRegionConversionTime::*; @@ -23,7 +24,7 @@ use rustc_data_structures::fx::{FxHashMap, FxHashSet, FxIndexMap}; use rustc_data_structures::sync::Lrc; use rustc_data_structures::undo_log::Rollback; use rustc_data_structures::unify as ut; -use rustc_errors::{Diag, DiagCtxt, ErrorGuaranteed}; +use rustc_errors::{Diag, ErrorGuaranteed}; use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_macros::extension; use rustc_middle::infer::canonical::{Canonical, CanonicalVarValues}; @@ -826,7 +827,7 @@ impl<'tcx> InferOk<'tcx, ()> { } impl<'tcx> InferCtxt<'tcx> { - pub fn dcx(&self) -> &'tcx DiagCtxt { + pub fn dcx(&self) -> DiagCtxtHandle<'tcx> { self.tcx.dcx() } diff --git a/compiler/rustc_interface/src/interface.rs b/compiler/rustc_interface/src/interface.rs index c95a10f4e8d2..41c8b941717f 100644 --- a/compiler/rustc_interface/src/interface.rs +++ b/compiler/rustc_interface/src/interface.rs @@ -9,7 +9,7 @@ use rustc_data_structures::jobserver; use rustc_data_structures::stable_hasher::StableHasher; use rustc_data_structures::sync::Lrc; use rustc_errors::registry::Registry; -use rustc_errors::{DiagCtxt, ErrorGuaranteed}; +use rustc_errors::{DiagCtxtHandle, ErrorGuaranteed}; use rustc_lint::LintStore; use rustc_middle::ty; use rustc_middle::ty::CurrentGcx; @@ -46,7 +46,7 @@ pub struct Compiler { } /// Converts strings provided as `--cfg [cfgspec]` into a `Cfg`. -pub(crate) fn parse_cfg(dcx: &DiagCtxt, cfgs: Vec) -> Cfg { +pub(crate) fn parse_cfg(dcx: DiagCtxtHandle<'_>, cfgs: Vec) -> Cfg { cfgs.into_iter() .map(|s| { let psess = ParseSess::with_silent_emitter( @@ -105,7 +105,7 @@ pub(crate) fn parse_cfg(dcx: &DiagCtxt, cfgs: Vec) -> Cfg { } /// Converts strings provided as `--check-cfg [specs]` into a `CheckCfg`. -pub(crate) fn parse_check_cfg(dcx: &DiagCtxt, specs: Vec) -> CheckCfg { +pub(crate) fn parse_check_cfg(dcx: DiagCtxtHandle<'_>, specs: Vec) -> CheckCfg { // If any --check-cfg is passed then exhaustive_values and exhaustive_names // are enabled by default. let exhaustive_names = !specs.is_empty(); @@ -451,12 +451,12 @@ pub fn run_compiler(config: Config, f: impl FnOnce(&Compiler) -> R + Se codegen_backend.init(&sess); - let cfg = parse_cfg(&sess.dcx(), config.crate_cfg); + let cfg = parse_cfg(sess.dcx(), config.crate_cfg); let mut cfg = config::build_configuration(&sess, cfg); util::add_configuration(&mut cfg, &mut sess, &*codegen_backend); sess.psess.config = cfg; - let mut check_cfg = parse_check_cfg(&sess.dcx(), config.crate_check_cfg); + let mut check_cfg = parse_check_cfg(sess.dcx(), config.crate_check_cfg); check_cfg.fill_well_known(&sess.target); sess.psess.check_config = check_cfg; @@ -529,7 +529,7 @@ pub fn run_compiler(config: Config, f: impl FnOnce(&Compiler) -> R + Se } pub fn try_print_query_stack( - dcx: &DiagCtxt, + dcx: DiagCtxtHandle<'_>, num_frames: Option, file: Option, ) { diff --git a/compiler/rustc_interface/src/tests.rs b/compiler/rustc_interface/src/tests.rs index 6538995926a5..36a7ecd8bc36 100644 --- a/compiler/rustc_interface/src/tests.rs +++ b/compiler/rustc_interface/src/tests.rs @@ -70,7 +70,7 @@ where Arc::default(), Default::default(), ); - let cfg = parse_cfg(&sess.dcx(), matches.opt_strs("cfg")); + let cfg = parse_cfg(sess.dcx(), matches.opt_strs("cfg")); let cfg = build_configuration(&sess, cfg); f(sess, cfg) }); diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index f60f8f7c6b7f..b46b6a7efa23 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -1405,7 +1405,7 @@ impl<'a> LintDiagnostic<'a, ()> for NonLocalDefinitionsDiag { diag.note(fluent::lint_macro_to_change); } if let Some(cargo_update) = cargo_update { - diag.subdiagnostic(&diag.dcx, cargo_update); + diag.subdiagnostic(diag.dcx, cargo_update); } if has_trait { @@ -1471,7 +1471,7 @@ impl<'a> LintDiagnostic<'a, ()> for NonLocalDefinitionsDiag { diag.note(fluent::lint_non_local_definitions_deprecation); if let Some(cargo_update) = cargo_update { - diag.subdiagnostic(&diag.dcx, cargo_update); + diag.subdiagnostic(diag.dcx, cargo_update); } } } diff --git a/compiler/rustc_macros/src/diagnostics/diagnostic.rs b/compiler/rustc_macros/src/diagnostics/diagnostic.rs index ef6005283d6b..a3abbdcf18ca 100644 --- a/compiler/rustc_macros/src/diagnostics/diagnostic.rs +++ b/compiler/rustc_macros/src/diagnostics/diagnostic.rs @@ -78,7 +78,7 @@ impl<'a> DiagnosticDerive<'a> { #[track_caller] fn into_diag( self, - dcx: &'_sess rustc_errors::DiagCtxt, + dcx: rustc_errors::DiagCtxtHandle<'_sess>, level: rustc_errors::Level ) -> rustc_errors::Diag<'_sess, G> { #implementation diff --git a/compiler/rustc_metadata/src/creader.rs b/compiler/rustc_metadata/src/creader.rs index 62a068d640a7..749495bc2ef5 100644 --- a/compiler/rustc_metadata/src/creader.rs +++ b/compiler/rustc_metadata/src/creader.rs @@ -10,7 +10,7 @@ use rustc_data_structures::fx::FxHashSet; use rustc_data_structures::owned_slice::OwnedSlice; use rustc_data_structures::svh::Svh; use rustc_data_structures::sync::{self, FreezeReadGuard, FreezeWriteGuard}; -use rustc_errors::DiagCtxt; +use rustc_errors::DiagCtxtHandle; use rustc_expand::base::SyntaxExtension; use rustc_fs_util::try_canonicalize; use rustc_hir::def_id::{CrateNum, LocalDefId, StableCrateId, LOCAL_CRATE}; @@ -91,7 +91,7 @@ impl<'a, 'tcx> std::ops::Deref for CrateLoader<'a, 'tcx> { } impl<'a, 'tcx> CrateLoader<'a, 'tcx> { - fn dcx(&self) -> &'tcx DiagCtxt { + fn dcx(&self) -> DiagCtxtHandle<'tcx> { self.tcx.dcx() } } diff --git a/compiler/rustc_metadata/src/errors.rs b/compiler/rustc_metadata/src/errors.rs index 47d183a04404..b0d82a0e3b7c 100644 --- a/compiler/rustc_metadata/src/errors.rs +++ b/compiler/rustc_metadata/src/errors.rs @@ -3,7 +3,7 @@ use std::{ path::{Path, PathBuf}, }; -use rustc_errors::{codes::*, Diag, DiagCtxt, Diagnostic, EmissionGuarantee, Level}; +use rustc_errors::{codes::*, Diag, DiagCtxtHandle, Diagnostic, EmissionGuarantee, Level}; use rustc_macros::{Diagnostic, Subdiagnostic}; use rustc_span::{sym, Span, Symbol}; use rustc_target::spec::{PanicStrategy, TargetTriple}; @@ -503,7 +503,7 @@ pub(crate) struct MultipleCandidates { } impl Diagnostic<'_, G> for MultipleCandidates { - fn into_diag(self, dcx: &'_ DiagCtxt, level: Level) -> Diag<'_, G> { + fn into_diag(self, dcx: DiagCtxtHandle<'_>, level: Level) -> Diag<'_, G> { let mut diag = Diag::new(dcx, level, fluent::metadata_multiple_candidates); diag.arg("crate_name", self.crate_name); diag.arg("flavor", self.flavor); @@ -602,7 +602,7 @@ pub struct InvalidMetadataFiles { impl Diagnostic<'_, G> for InvalidMetadataFiles { #[track_caller] - fn into_diag(self, dcx: &'_ DiagCtxt, level: Level) -> Diag<'_, G> { + fn into_diag(self, dcx: DiagCtxtHandle<'_>, level: Level) -> Diag<'_, G> { let mut diag = Diag::new(dcx, level, fluent::metadata_invalid_meta_files); diag.arg("crate_name", self.crate_name); diag.arg("add_info", self.add_info); @@ -631,7 +631,7 @@ pub struct CannotFindCrate { impl Diagnostic<'_, G> for CannotFindCrate { #[track_caller] - fn into_diag(self, dcx: &'_ DiagCtxt, level: Level) -> Diag<'_, G> { + fn into_diag(self, dcx: DiagCtxtHandle<'_>, level: Level) -> Diag<'_, G> { let mut diag = Diag::new(dcx, level, fluent::metadata_cannot_find_crate); diag.arg("crate_name", self.crate_name); diag.arg("current_crate", self.current_crate); diff --git a/compiler/rustc_middle/src/macros.rs b/compiler/rustc_middle/src/macros.rs index 817ac5946276..fcea1ea81a7c 100644 --- a/compiler/rustc_middle/src/macros.rs +++ b/compiler/rustc_middle/src/macros.rs @@ -4,10 +4,10 @@ /// /// If you have a span available, you should use [`span_bug`] instead. /// -/// If the bug should only be emitted when compilation didn't fail, [`DiagCtxt::span_delayed_bug`] +/// If the bug should only be emitted when compilation didn't fail, [`DiagCtxtHandle::span_delayed_bug`] /// may be useful. /// -/// [`DiagCtxt::span_delayed_bug`]: rustc_errors::DiagCtxt::span_delayed_bug +/// [`DiagCtxtHandle::span_delayed_bug`]: rustc_errors::DiagCtxtHandle::span_delayed_bug /// [`span_bug`]: crate::span_bug #[macro_export] macro_rules! bug { @@ -30,10 +30,10 @@ macro_rules! bug { /// at the code the compiler was compiling when it ICEd. This is the preferred way to trigger /// ICEs. /// -/// If the bug should only be emitted when compilation didn't fail, [`DiagCtxt::span_delayed_bug`] +/// If the bug should only be emitted when compilation didn't fail, [`DiagCtxtHandle::span_delayed_bug`] /// may be useful. /// -/// [`DiagCtxt::span_delayed_bug`]: rustc_errors::DiagCtxt::span_delayed_bug +/// [`DiagCtxtHandle::span_delayed_bug`]: rustc_errors::DiagCtxtHandle::span_delayed_bug #[macro_export] macro_rules! span_bug { ($span:expr, $msg:expr) => ( diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index e2f15dac0198..7a804c236387 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -47,7 +47,9 @@ use rustc_data_structures::sync::{self, FreezeReadGuard, Lock, Lrc, RwLock, Work #[cfg(parallel_compiler)] use rustc_data_structures::sync::{DynSend, DynSync}; use rustc_data_structures::unord::UnordSet; -use rustc_errors::{Applicability, Diag, DiagCtxt, ErrorGuaranteed, LintDiagnostic, MultiSpan}; +use rustc_errors::{ + Applicability, Diag, DiagCtxtHandle, ErrorGuaranteed, LintDiagnostic, MultiSpan, +}; use rustc_hir as hir; use rustc_hir::def::DefKind; use rustc_hir::def_id::{CrateNum, DefId, LocalDefId, LOCAL_CRATE}; @@ -1415,7 +1417,7 @@ impl<'tcx> TyCtxt<'tcx> { ) } - pub fn dcx(self) -> &'tcx DiagCtxt { + pub fn dcx(self) -> DiagCtxtHandle<'tcx> { self.sess.dcx() } } diff --git a/compiler/rustc_middle/src/ty/layout.rs b/compiler/rustc_middle/src/ty/layout.rs index cf7610bb4f61..3d397b6b37e1 100644 --- a/compiler/rustc_middle/src/ty/layout.rs +++ b/compiler/rustc_middle/src/ty/layout.rs @@ -5,7 +5,7 @@ use crate::ty::normalize_erasing_regions::NormalizationError; use crate::ty::{self, CoroutineArgsExt, Ty, TyCtxt, TypeVisitableExt}; use rustc_error_messages::DiagMessage; use rustc_errors::{ - Diag, DiagArgValue, DiagCtxt, Diagnostic, EmissionGuarantee, IntoDiagArg, Level, + Diag, DiagArgValue, DiagCtxtHandle, Diagnostic, EmissionGuarantee, IntoDiagArg, Level, }; use rustc_hir as hir; use rustc_hir::def_id::DefId; @@ -1256,7 +1256,7 @@ pub enum FnAbiError<'tcx> { } impl<'a, 'b, G: EmissionGuarantee> Diagnostic<'a, G> for FnAbiError<'b> { - fn into_diag(self, dcx: &'a DiagCtxt, level: Level) -> Diag<'a, G> { + fn into_diag(self, dcx: DiagCtxtHandle<'a>, level: Level) -> Diag<'a, G> { match self { Self::Layout(e) => e.into_diagnostic().into_diag(dcx, level), Self::AdjustForForeignAbi(call::AdjustForForeignAbiError::Unsupported { diff --git a/compiler/rustc_mir_build/src/errors.rs b/compiler/rustc_mir_build/src/errors.rs index 3bd2e47976b5..7c73d8a6d47d 100644 --- a/compiler/rustc_mir_build/src/errors.rs +++ b/compiler/rustc_mir_build/src/errors.rs @@ -1,9 +1,9 @@ use crate::fluent_generated as fluent; -use rustc_errors::DiagArgValue; use rustc_errors::{ - codes::*, Applicability, Diag, DiagCtxt, Diagnostic, EmissionGuarantee, Level, MultiSpan, + codes::*, Applicability, Diag, Diagnostic, EmissionGuarantee, Level, MultiSpan, SubdiagMessageOp, Subdiagnostic, }; +use rustc_errors::{DiagArgValue, DiagCtxtHandle}; use rustc_macros::{Diagnostic, LintDiagnostic, Subdiagnostic}; use rustc_middle::ty::{self, Ty}; use rustc_pattern_analysis::{errors::Uncovered, rustc::RustcPatCtxt}; @@ -492,7 +492,7 @@ pub(crate) struct NonExhaustivePatternsTypeNotEmpty<'p, 'tcx, 'm> { } impl<'a, G: EmissionGuarantee> Diagnostic<'a, G> for NonExhaustivePatternsTypeNotEmpty<'_, '_, '_> { - fn into_diag(self, dcx: &'a DiagCtxt, level: Level) -> Diag<'_, G> { + fn into_diag(self, dcx: DiagCtxtHandle<'a>, level: Level) -> Diag<'_, G> { let mut diag = Diag::new(dcx, level, fluent::mir_build_non_exhaustive_patterns_type_not_empty); diag.span(self.scrut_span); diff --git a/compiler/rustc_monomorphize/src/errors.rs b/compiler/rustc_monomorphize/src/errors.rs index 35fc78f20453..c0d1efd96c5b 100644 --- a/compiler/rustc_monomorphize/src/errors.rs +++ b/compiler/rustc_monomorphize/src/errors.rs @@ -1,7 +1,7 @@ use std::path::PathBuf; use crate::fluent_generated as fluent; -use rustc_errors::{Diag, DiagCtxt, Diagnostic, EmissionGuarantee, Level}; +use rustc_errors::{Diag, DiagCtxtHandle, Diagnostic, EmissionGuarantee, Level}; use rustc_macros::{Diagnostic, LintDiagnostic}; use rustc_span::{Span, Symbol}; @@ -48,7 +48,7 @@ pub struct UnusedGenericParamsHint { impl Diagnostic<'_, G> for UnusedGenericParamsHint { #[track_caller] - fn into_diag(self, dcx: &'_ DiagCtxt, level: Level) -> Diag<'_, G> { + fn into_diag(self, dcx: DiagCtxtHandle<'_>, level: Level) -> Diag<'_, G> { let mut diag = Diag::new(dcx, level, fluent::monomorphize_unused_generic_params); diag.span(self.span); for (span, name) in self.param_spans.into_iter().zip(self.param_names) { diff --git a/compiler/rustc_parse/src/errors.rs b/compiler/rustc_parse/src/errors.rs index 6c1fcbe06fc5..7566a4d50662 100644 --- a/compiler/rustc_parse/src/errors.rs +++ b/compiler/rustc_parse/src/errors.rs @@ -3,7 +3,7 @@ use std::borrow::Cow; use rustc_ast::token::Token; use rustc_ast::{Path, Visibility}; use rustc_errors::{ - codes::*, Applicability, Diag, DiagCtxt, Diagnostic, EmissionGuarantee, Level, + codes::*, Applicability, Diag, DiagCtxtHandle, Diagnostic, EmissionGuarantee, Level, SubdiagMessageOp, Subdiagnostic, }; use rustc_macros::{Diagnostic, Subdiagnostic}; @@ -1052,7 +1052,7 @@ pub(crate) struct ExpectedIdentifier { impl<'a, G: EmissionGuarantee> Diagnostic<'a, G> for ExpectedIdentifier { #[track_caller] - fn into_diag(self, dcx: &'a DiagCtxt, level: Level) -> Diag<'a, G> { + fn into_diag(self, dcx: DiagCtxtHandle<'a>, level: Level) -> Diag<'a, G> { let token_descr = TokenDescription::from_token(&self.token); let mut diag = Diag::new( @@ -1112,7 +1112,7 @@ pub(crate) struct ExpectedSemi { impl<'a, G: EmissionGuarantee> Diagnostic<'a, G> for ExpectedSemi { #[track_caller] - fn into_diag(self, dcx: &'a DiagCtxt, level: Level) -> Diag<'a, G> { + fn into_diag(self, dcx: DiagCtxtHandle<'a>, level: Level) -> Diag<'a, G> { let token_descr = TokenDescription::from_token(&self.token); let mut diag = Diag::new( diff --git a/compiler/rustc_parse/src/lexer/mod.rs b/compiler/rustc_parse/src/lexer/mod.rs index a5b9ab32a8c2..511805cf8d6e 100644 --- a/compiler/rustc_parse/src/lexer/mod.rs +++ b/compiler/rustc_parse/src/lexer/mod.rs @@ -7,7 +7,7 @@ use rustc_ast::ast::{self, AttrStyle}; use rustc_ast::token::{self, CommentKind, Delimiter, IdentIsRaw, Token, TokenKind}; use rustc_ast::tokenstream::TokenStream; use rustc_ast::util::unicode::contains_text_flow_control_chars; -use rustc_errors::{codes::*, Applicability, Diag, DiagCtxt, StashKey}; +use rustc_errors::{codes::*, Applicability, Diag, DiagCtxtHandle, StashKey}; use rustc_lexer::unescape::{self, EscapeError, Mode}; use rustc_lexer::{Base, DocStyle, RawStrError}; use rustc_lexer::{Cursor, LiteralKind}; @@ -113,7 +113,7 @@ struct StringReader<'psess, 'src> { } impl<'psess, 'src> StringReader<'psess, 'src> { - fn dcx(&self) -> &'psess DiagCtxt { + fn dcx(&self) -> DiagCtxtHandle<'psess> { self.psess.dcx() } diff --git a/compiler/rustc_parse/src/lexer/unescape_error_reporting.rs b/compiler/rustc_parse/src/lexer/unescape_error_reporting.rs index cad25c66827b..b7a790fcf83a 100644 --- a/compiler/rustc_parse/src/lexer/unescape_error_reporting.rs +++ b/compiler/rustc_parse/src/lexer/unescape_error_reporting.rs @@ -3,7 +3,7 @@ use std::iter::once; use std::ops::Range; -use rustc_errors::{Applicability, DiagCtxt, ErrorGuaranteed}; +use rustc_errors::{Applicability, DiagCtxtHandle, ErrorGuaranteed}; use rustc_lexer::unescape::{EscapeError, Mode}; use rustc_span::{BytePos, Span}; use tracing::debug; @@ -11,7 +11,7 @@ use tracing::debug; use crate::errors::{MoreThanOneCharNote, MoreThanOneCharSugg, NoBraceUnicodeSub, UnescapeError}; pub(crate) fn emit_unescape_error( - dcx: &DiagCtxt, + dcx: DiagCtxtHandle<'_>, // interior part of the literal, between quotes lit: &str, // full span of the literal, including quotes and any prefix diff --git a/compiler/rustc_parse/src/parser/diagnostics.rs b/compiler/rustc_parse/src/parser/diagnostics.rs index d3f9bb3f2744..28832c0a6021 100644 --- a/compiler/rustc_parse/src/parser/diagnostics.rs +++ b/compiler/rustc_parse/src/parser/diagnostics.rs @@ -34,7 +34,7 @@ use rustc_ast::{ use rustc_ast_pretty::pprust; use rustc_data_structures::fx::FxHashSet; use rustc_errors::{ - pluralize, Applicability, Diag, DiagCtxt, ErrorGuaranteed, FatalError, PErr, PResult, + pluralize, Applicability, Diag, DiagCtxtHandle, ErrorGuaranteed, FatalError, PErr, PResult, Subdiagnostic, }; use rustc_session::errors::ExprParenthesesNeeded; @@ -240,7 +240,7 @@ impl<'a> DerefMut for SnapshotParser<'a> { } impl<'a> Parser<'a> { - pub fn dcx(&self) -> &'a DiagCtxt { + pub fn dcx(&self) -> DiagCtxtHandle<'a> { self.psess.dcx() } diff --git a/compiler/rustc_parse/src/parser/tests.rs b/compiler/rustc_parse/src/parser/tests.rs index 79a6cf1b541e..3a4690670af3 100644 --- a/compiler/rustc_parse/src/parser/tests.rs +++ b/compiler/rustc_parse/src/parser/tests.rs @@ -61,7 +61,7 @@ where { let mut p = string_to_parser(&psess, s); let x = f(&mut p).unwrap(); - p.psess.dcx.abort_if_errors(); + p.dcx().abort_if_errors(); x } @@ -193,7 +193,7 @@ impl Write for Shared { #[allow(rustc::untranslatable_diagnostic)] // no translation needed for tests fn test_harness(file_text: &str, span_labels: Vec, expected_output: &str) { create_default_session_globals_then(|| { - let (handler, source_map, output) = create_test_handler(); + let (dcx, source_map, output) = create_test_handler(); source_map.new_source_file(Path::new("test.rs").to_owned().into(), file_text.to_owned()); let primary_span = make_span(&file_text, &span_labels[0].start, &span_labels[0].end); @@ -205,7 +205,7 @@ fn test_harness(file_text: &str, span_labels: Vec, expected_output: & println!("text: {:?}", source_map.span_to_snippet(span)); } - handler.span_err(msp, "foo"); + dcx.handle().span_err(msp, "foo"); assert!( expected_output.chars().next() == Some('\n'), diff --git a/compiler/rustc_passes/src/check_attr.rs b/compiler/rustc_passes/src/check_attr.rs index 6ce7c41acc8f..a0b3470df6db 100644 --- a/compiler/rustc_passes/src/check_attr.rs +++ b/compiler/rustc_passes/src/check_attr.rs @@ -8,8 +8,8 @@ use crate::{errors, fluent_generated as fluent}; use rustc_ast::{ast, AttrKind, AttrStyle, Attribute, LitKind}; use rustc_ast::{MetaItemKind, MetaItemLit, NestedMetaItem}; use rustc_data_structures::fx::FxHashMap; -use rustc_errors::StashKey; -use rustc_errors::{Applicability, DiagCtxt, IntoDiagArg, MultiSpan}; +use rustc_errors::{Applicability, IntoDiagArg, MultiSpan}; +use rustc_errors::{DiagCtxtHandle, StashKey}; use rustc_feature::{ is_unsafe_attr, AttributeDuplicates, AttributeType, BuiltinAttribute, BUILTIN_ATTRIBUTE_MAP, }; @@ -99,7 +99,7 @@ struct CheckAttrVisitor<'tcx> { } impl<'tcx> CheckAttrVisitor<'tcx> { - fn dcx(&self) -> &'tcx DiagCtxt { + fn dcx(&self) -> DiagCtxtHandle<'tcx> { self.tcx.dcx() } diff --git a/compiler/rustc_passes/src/errors.rs b/compiler/rustc_passes/src/errors.rs index a935f1ad7d35..25df80d5a92c 100644 --- a/compiler/rustc_passes/src/errors.rs +++ b/compiler/rustc_passes/src/errors.rs @@ -6,8 +6,8 @@ use std::{ use crate::fluent_generated as fluent; use rustc_ast::{ast, Label}; use rustc_errors::{ - codes::*, Applicability, Diag, DiagCtxt, DiagSymbolList, Diagnostic, EmissionGuarantee, Level, - MultiSpan, SubdiagMessageOp, Subdiagnostic, + codes::*, Applicability, Diag, DiagCtxtHandle, DiagSymbolList, Diagnostic, EmissionGuarantee, + Level, MultiSpan, SubdiagMessageOp, Subdiagnostic, }; use rustc_hir::{self as hir, ExprKind, Target}; use rustc_macros::{Diagnostic, LintDiagnostic, Subdiagnostic}; @@ -880,7 +880,7 @@ pub struct ItemFollowingInnerAttr { impl Diagnostic<'_, G> for InvalidAttrAtCrateLevel { #[track_caller] - fn into_diag(self, dcx: &'_ DiagCtxt, level: Level) -> Diag<'_, G> { + fn into_diag(self, dcx: DiagCtxtHandle<'_>, level: Level) -> Diag<'_, G> { let mut diag = Diag::new(dcx, level, fluent::passes_invalid_attr_at_crate_level); diag.span(self.span); diag.arg("name", self.name); @@ -1030,7 +1030,7 @@ pub struct BreakNonLoop<'a> { impl<'a, G: EmissionGuarantee> Diagnostic<'_, G> for BreakNonLoop<'a> { #[track_caller] - fn into_diag(self, dcx: &DiagCtxt, level: Level) -> Diag<'_, G> { + fn into_diag(self, dcx: DiagCtxtHandle<'_>, level: Level) -> Diag<'_, G> { let mut diag = Diag::new(dcx, level, fluent::passes_break_non_loop); diag.span(self.span); diag.code(E0571); @@ -1176,7 +1176,7 @@ pub struct NakedFunctionsAsmBlock { impl Diagnostic<'_, G> for NakedFunctionsAsmBlock { #[track_caller] - fn into_diag(self, dcx: &DiagCtxt, level: Level) -> Diag<'_, G> { + fn into_diag(self, dcx: DiagCtxtHandle<'_>, level: Level) -> Diag<'_, G> { let mut diag = Diag::new(dcx, level, fluent::passes_naked_functions_asm_block); diag.span(self.span); diag.code(E0787); @@ -1264,7 +1264,7 @@ pub struct NoMainErr { impl<'a, G: EmissionGuarantee> Diagnostic<'a, G> for NoMainErr { #[track_caller] - fn into_diag(self, dcx: &'a DiagCtxt, level: Level) -> Diag<'a, G> { + fn into_diag(self, dcx: DiagCtxtHandle<'a>, level: Level) -> Diag<'a, G> { let mut diag = Diag::new(dcx, level, fluent::passes_no_main_function); diag.span(DUMMY_SP); diag.code(E0601); @@ -1322,7 +1322,7 @@ pub struct DuplicateLangItem { impl Diagnostic<'_, G> for DuplicateLangItem { #[track_caller] - fn into_diag(self, dcx: &DiagCtxt, level: Level) -> Diag<'_, G> { + fn into_diag(self, dcx: DiagCtxtHandle<'_>, level: Level) -> Diag<'_, G> { let mut diag = Diag::new( dcx, level, diff --git a/compiler/rustc_query_system/src/query/job.rs b/compiler/rustc_query_system/src/query/job.rs index 248a741af907..3f44b11850e5 100644 --- a/compiler/rustc_query_system/src/query/job.rs +++ b/compiler/rustc_query_system/src/query/job.rs @@ -4,7 +4,7 @@ use crate::query::plumbing::CycleError; use crate::query::DepKind; use crate::query::{QueryContext, QueryStackFrame}; use rustc_data_structures::fx::FxHashMap; -use rustc_errors::{Diag, DiagCtxt}; +use rustc_errors::{Diag, DiagCtxtHandle}; use rustc_hir::def::DefKind; use rustc_session::Session; use rustc_span::Span; @@ -600,7 +600,7 @@ pub fn report_cycle<'a>( pub fn print_query_stack( qcx: Qcx, mut current_query: Option, - dcx: &DiagCtxt, + dcx: DiagCtxtHandle<'_>, num_frames: Option, mut file: Option, ) -> usize { diff --git a/compiler/rustc_resolve/src/diagnostics.rs b/compiler/rustc_resolve/src/diagnostics.rs index 8d470c6c61ef..659a0f368fb8 100644 --- a/compiler/rustc_resolve/src/diagnostics.rs +++ b/compiler/rustc_resolve/src/diagnostics.rs @@ -6,7 +6,7 @@ use rustc_ast::{MetaItemKind, NestedMetaItem}; use rustc_ast_pretty::pprust; use rustc_data_structures::fx::FxHashSet; use rustc_errors::{ - codes::*, report_ambiguity_error, struct_span_code_err, Applicability, Diag, DiagCtxt, + codes::*, report_ambiguity_error, struct_span_code_err, Applicability, Diag, DiagCtxtHandle, ErrorGuaranteed, MultiSpan, SuggestionStyle, }; use rustc_feature::BUILTIN_ATTRIBUTES; @@ -120,7 +120,7 @@ fn reduce_impl_span_to_impl_keyword(sm: &SourceMap, impl_span: Span) -> Span { } impl<'a, 'tcx> Resolver<'a, 'tcx> { - pub(crate) fn dcx(&self) -> &'tcx DiagCtxt { + pub(crate) fn dcx(&self) -> DiagCtxtHandle<'tcx> { self.tcx.dcx() } diff --git a/compiler/rustc_session/src/errors.rs b/compiler/rustc_session/src/errors.rs index 71d11bfdb32c..4cbc1b570225 100644 --- a/compiler/rustc_session/src/errors.rs +++ b/compiler/rustc_session/src/errors.rs @@ -3,8 +3,8 @@ use std::num::NonZero; use rustc_ast::token; use rustc_ast::util::literal::LitError; use rustc_errors::{ - codes::*, Diag, DiagCtxt, DiagMessage, Diagnostic, EmissionGuarantee, ErrorGuaranteed, Level, - MultiSpan, + codes::*, Diag, DiagCtxtHandle, DiagMessage, Diagnostic, EmissionGuarantee, ErrorGuaranteed, + Level, MultiSpan, }; use rustc_macros::{Diagnostic, Subdiagnostic}; use rustc_span::{Span, Symbol}; @@ -19,7 +19,7 @@ pub(crate) struct FeatureGateError { impl<'a, G: EmissionGuarantee> Diagnostic<'a, G> for FeatureGateError { #[track_caller] - fn into_diag(self, dcx: &'a DiagCtxt, level: Level) -> Diag<'a, G> { + fn into_diag(self, dcx: DiagCtxtHandle<'a>, level: Level) -> Diag<'a, G> { Diag::new(dcx, level, self.explain).with_span(self.span).with_code(E0658) } } diff --git a/compiler/rustc_session/src/parse.rs b/compiler/rustc_session/src/parse.rs index 4e5ee39ffb99..a238d6e6ac45 100644 --- a/compiler/rustc_session/src/parse.rs +++ b/compiler/rustc_session/src/parse.rs @@ -15,8 +15,8 @@ use rustc_data_structures::fx::{FxHashMap, FxIndexMap, FxIndexSet}; use rustc_data_structures::sync::{AppendOnlyVec, Lock, Lrc}; use rustc_errors::emitter::{stderr_destination, HumanEmitter, SilentEmitter}; use rustc_errors::{ - fallback_fluent_bundle, ColorConfig, Diag, DiagCtxt, DiagMessage, EmissionGuarantee, MultiSpan, - StashKey, + fallback_fluent_bundle, ColorConfig, Diag, DiagCtxt, DiagCtxtHandle, DiagMessage, + EmissionGuarantee, MultiSpan, StashKey, }; use rustc_feature::{find_feature_issue, GateIssue, UnstableFeatures}; use rustc_span::edition::Edition; @@ -327,7 +327,7 @@ impl ParseSess { self.proc_macro_quoted_spans.iter_enumerated() } - pub fn dcx(&self) -> &DiagCtxt { - &self.dcx + pub fn dcx(&self) -> DiagCtxtHandle<'_> { + self.dcx.handle() } } diff --git a/compiler/rustc_session/src/session.rs b/compiler/rustc_session/src/session.rs index 82b593a0f406..2260aca9f2bc 100644 --- a/compiler/rustc_session/src/session.rs +++ b/compiler/rustc_session/src/session.rs @@ -22,8 +22,8 @@ use rustc_errors::emitter::{stderr_destination, DynEmitter, HumanEmitter, HumanR use rustc_errors::json::JsonEmitter; use rustc_errors::registry::Registry; use rustc_errors::{ - codes::*, fallback_fluent_bundle, Diag, DiagCtxt, DiagMessage, Diagnostic, ErrorGuaranteed, - FatalAbort, FluentBundle, LazyFallbackBundle, TerminalUrl, + codes::*, fallback_fluent_bundle, Diag, DiagCtxt, DiagCtxtHandle, DiagMessage, Diagnostic, + ErrorGuaranteed, FatalAbort, FluentBundle, LazyFallbackBundle, TerminalUrl, }; use rustc_macros::HashStable_Generic; pub use rustc_span::def_id::StableCrateId; @@ -328,7 +328,7 @@ impl Session { } #[inline] - pub fn dcx(&self) -> &DiagCtxt { + pub fn dcx(&self) -> DiagCtxtHandle<'_> { self.psess.dcx() } @@ -1065,7 +1065,7 @@ pub fn build_session( match profiler { Ok(profiler) => Some(Arc::new(profiler)), Err(e) => { - dcx.emit_warn(errors::FailedToCreateProfiler { err: e.to_string() }); + dcx.handle().emit_warn(errors::FailedToCreateProfiler { err: e.to_string() }); None } } @@ -1366,7 +1366,7 @@ impl EarlyDiagCtxt { /// format. Any errors prior to that will cause an abort and all stashed diagnostics of the /// previous dcx will be emitted. pub fn abort_if_error_and_set_error_format(&mut self, output: ErrorOutputType) { - self.dcx.abort_if_errors(); + self.dcx.handle().abort_if_errors(); let emitter = mk_emitter(output); self.dcx = DiagCtxt::new(emitter); @@ -1375,44 +1375,44 @@ impl EarlyDiagCtxt { #[allow(rustc::untranslatable_diagnostic)] #[allow(rustc::diagnostic_outside_of_impl)] pub fn early_note(&self, msg: impl Into) { - self.dcx.note(msg) + self.dcx.handle().note(msg) } #[allow(rustc::untranslatable_diagnostic)] #[allow(rustc::diagnostic_outside_of_impl)] pub fn early_help(&self, msg: impl Into) { - self.dcx.struct_help(msg).emit() + self.dcx.handle().struct_help(msg).emit() } #[allow(rustc::untranslatable_diagnostic)] #[allow(rustc::diagnostic_outside_of_impl)] #[must_use = "ErrorGuaranteed must be returned from `run_compiler` in order to exit with a non-zero status code"] pub fn early_err(&self, msg: impl Into) -> ErrorGuaranteed { - self.dcx.err(msg) + self.dcx.handle().err(msg) } #[allow(rustc::untranslatable_diagnostic)] #[allow(rustc::diagnostic_outside_of_impl)] pub fn early_fatal(&self, msg: impl Into) -> ! { - self.dcx.fatal(msg) + self.dcx.handle().fatal(msg) } #[allow(rustc::untranslatable_diagnostic)] #[allow(rustc::diagnostic_outside_of_impl)] pub fn early_struct_fatal(&self, msg: impl Into) -> Diag<'_, FatalAbort> { - self.dcx.struct_fatal(msg) + self.dcx.handle().struct_fatal(msg) } #[allow(rustc::untranslatable_diagnostic)] #[allow(rustc::diagnostic_outside_of_impl)] pub fn early_warn(&self, msg: impl Into) { - self.dcx.warn(msg) + self.dcx.handle().warn(msg) } #[allow(rustc::untranslatable_diagnostic)] #[allow(rustc::diagnostic_outside_of_impl)] pub fn early_struct_warn(&self, msg: impl Into) -> Diag<'_, ()> { - self.dcx.struct_warn(msg) + self.dcx.handle().struct_warn(msg) } } diff --git a/compiler/rustc_symbol_mangling/src/errors.rs b/compiler/rustc_symbol_mangling/src/errors.rs index b5721ee489db..9b87a1419fa3 100644 --- a/compiler/rustc_symbol_mangling/src/errors.rs +++ b/compiler/rustc_symbol_mangling/src/errors.rs @@ -1,6 +1,6 @@ //! Errors emitted by symbol_mangling. -use rustc_errors::{Diag, DiagCtxt, Diagnostic, EmissionGuarantee, Level}; +use rustc_errors::{Diag, DiagCtxtHandle, Diagnostic, EmissionGuarantee, Level}; use rustc_span::Span; use std::fmt; @@ -14,7 +14,7 @@ pub struct TestOutput { // natural language, and (b) it's only used in tests. So we construct it // manually and avoid the fluent machinery. impl Diagnostic<'_, G> for TestOutput { - fn into_diag(self, dcx: &'_ DiagCtxt, level: Level) -> Diag<'_, G> { + fn into_diag(self, dcx: DiagCtxtHandle<'_>, level: Level) -> Diag<'_, G> { let TestOutput { span, kind, content } = self; #[allow(rustc::untranslatable_diagnostic)] diff --git a/compiler/rustc_trait_selection/src/errors.rs b/compiler/rustc_trait_selection/src/errors.rs index b442446f79ba..a46cba35b2d2 100644 --- a/compiler/rustc_trait_selection/src/errors.rs +++ b/compiler/rustc_trait_selection/src/errors.rs @@ -1,6 +1,6 @@ use crate::fluent_generated as fluent; use rustc_errors::{ - codes::*, Applicability, Diag, DiagCtxt, Diagnostic, EmissionGuarantee, Level, + codes::*, Applicability, Diag, DiagCtxtHandle, Diagnostic, EmissionGuarantee, Level, SubdiagMessageOp, Subdiagnostic, }; use rustc_macros::{Diagnostic, Subdiagnostic}; @@ -59,7 +59,7 @@ pub struct NegativePositiveConflict<'tcx> { impl Diagnostic<'_, G> for NegativePositiveConflict<'_> { #[track_caller] - fn into_diag(self, dcx: &DiagCtxt, level: Level) -> Diag<'_, G> { + fn into_diag(self, dcx: DiagCtxtHandle<'_>, level: Level) -> Diag<'_, G> { let mut diag = Diag::new(dcx, level, fluent::trait_selection_negative_positive_conflict); diag.arg("trait_desc", self.trait_desc.print_only_trait_path().to_string()); diag.arg("self_desc", self.self_ty.map_or_else(|| "none".to_string(), |ty| ty.to_string())); diff --git a/src/librustdoc/config.rs b/src/librustdoc/config.rs index 78d4129f6422..45bd1616e83c 100644 --- a/src/librustdoc/config.rs +++ b/src/librustdoc/config.rs @@ -8,6 +8,7 @@ use std::path::PathBuf; use std::str::FromStr; use rustc_data_structures::fx::FxHashMap; +use rustc_errors::DiagCtxtHandle; use rustc_session::config::{ self, parse_crate_types_from_list, parse_externs, parse_target_triple, CrateType, }; @@ -383,9 +384,10 @@ impl Options { }; let dcx = new_dcx(error_format, None, diagnostic_width, &unstable_opts); + let dcx = dcx.handle(); // check for deprecated options - check_deprecated_options(matches, &dcx); + check_deprecated_options(matches, dcx); if matches.opt_strs("passes") == ["list"] { println!("Available passes for running rustdoc:"); @@ -458,7 +460,7 @@ impl Options { println!("rustdoc: [check-theme] Starting tests! (Ignoring all other arguments)"); for theme_file in to_check.iter() { print!(" - Checking \"{theme_file}\"..."); - let (success, differences) = theme::test_theme_against(theme_file, &paths, &dcx); + let (success, differences) = theme::test_theme_against(theme_file, &paths, dcx); if !differences.is_empty() || !success { println!(" FAILED"); errors += 1; @@ -603,7 +605,7 @@ impl Options { .with_help("arguments to --theme must have a .css extension") .emit(); } - let (success, ret) = theme::test_theme_against(&theme_file, &paths, &dcx); + let (success, ret) = theme::test_theme_against(&theme_file, &paths, dcx); if !success { dcx.fatal(format!("error loading theme file: \"{theme_s}\"")); } else if !ret.is_empty() { @@ -630,7 +632,7 @@ impl Options { &matches.opt_strs("markdown-before-content"), &matches.opt_strs("markdown-after-content"), nightly_options::match_is_nightly_build(matches), - &dcx, + dcx, &mut id_map, edition, &None, @@ -741,9 +743,9 @@ impl Options { ); } - let scrape_examples_options = ScrapeExamplesOptions::new(matches, &dcx); + let scrape_examples_options = ScrapeExamplesOptions::new(matches, dcx); let with_examples = matches.opt_strs("with-examples"); - let call_locations = crate::scrape_examples::load_call_locations(with_examples, &dcx); + let call_locations = crate::scrape_examples::load_call_locations(with_examples, dcx); let unstable_features = rustc_feature::UnstableFeatures::from_environment(crate_name.as_deref()); @@ -847,7 +849,7 @@ fn parse_remap_path_prefix( } /// Prints deprecation warnings for deprecated options -fn check_deprecated_options(matches: &getopts::Matches, dcx: &rustc_errors::DiagCtxt) { +fn check_deprecated_options(matches: &getopts::Matches, dcx: DiagCtxtHandle<'_>) { let deprecated_flags = []; for &flag in deprecated_flags.iter() { diff --git a/src/librustdoc/core.rs b/src/librustdoc/core.rs index ce098a1bcfbf..5d8e61f9fa0d 100644 --- a/src/librustdoc/core.rs +++ b/src/librustdoc/core.rs @@ -3,7 +3,7 @@ use rustc_data_structures::sync::Lrc; use rustc_data_structures::unord::UnordSet; use rustc_errors::emitter::{stderr_destination, DynEmitter, HumanEmitter}; use rustc_errors::json::JsonEmitter; -use rustc_errors::{codes::*, ErrorGuaranteed, TerminalUrl}; +use rustc_errors::{codes::*, DiagCtxtHandle, ErrorGuaranteed, TerminalUrl}; use rustc_feature::UnstableFeatures; use rustc_hir::def::Res; use rustc_hir::def_id::{DefId, DefIdMap, DefIdSet, LocalDefId}; @@ -379,7 +379,7 @@ pub(crate) fn run_global_ctxt( ); } - fn report_deprecated_attr(name: &str, dcx: &rustc_errors::DiagCtxt, sp: Span) { + fn report_deprecated_attr(name: &str, dcx: DiagCtxtHandle<'_>, sp: Span) { let mut msg = dcx.struct_span_warn(sp, format!("the `#![doc({name})]` attribute is deprecated")); msg.note( diff --git a/src/librustdoc/doctest.rs b/src/librustdoc/doctest.rs index 81a7463decad..40cc4a9d4412 100644 --- a/src/librustdoc/doctest.rs +++ b/src/librustdoc/doctest.rs @@ -7,7 +7,7 @@ pub(crate) use markdown::test as test_markdown; use rustc_ast as ast; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; -use rustc_errors::{ColorConfig, ErrorGuaranteed, FatalError}; +use rustc_errors::{ColorConfig, DiagCtxtHandle, ErrorGuaranteed, FatalError}; use rustc_hir::def_id::LOCAL_CRATE; use rustc_hir::CRATE_HIR_ID; use rustc_interface::interface; @@ -90,10 +90,7 @@ fn get_doctest_dir() -> io::Result { TempFileBuilder::new().prefix("rustdoctest").tempdir() } -pub(crate) fn run( - dcx: &rustc_errors::DiagCtxt, - options: RustdocOptions, -) -> Result<(), ErrorGuaranteed> { +pub(crate) fn run(dcx: DiagCtxtHandle<'_>, options: RustdocOptions) -> Result<(), ErrorGuaranteed> { let invalid_codeblock_attributes_name = crate::lint::INVALID_CODEBLOCK_ATTRIBUTES.name; // See core::create_config for what's going on here. diff --git a/src/librustdoc/doctest/make.rs b/src/librustdoc/doctest/make.rs index 599611407ed8..74833c113623 100644 --- a/src/librustdoc/doctest/make.rs +++ b/src/librustdoc/doctest/make.rs @@ -229,7 +229,7 @@ fn check_for_main_and_extern_crate( // dcx. Any errors in the tests will be reported when the test file is compiled, // Note that we still need to cancel the errors above otherwise `Diag` will panic on // drop. - psess.dcx.reset_err_count(); + psess.dcx().reset_err_count(); (found_main, found_extern_crate, found_macro) }) diff --git a/src/librustdoc/externalfiles.rs b/src/librustdoc/externalfiles.rs index 03ee042aa8d0..62cdc0bd5a60 100644 --- a/src/librustdoc/externalfiles.rs +++ b/src/librustdoc/externalfiles.rs @@ -1,4 +1,5 @@ use crate::html::markdown::{ErrorCodes, HeadingOffset, IdMap, Markdown, Playground}; +use rustc_errors::DiagCtxtHandle; use rustc_span::edition::Edition; use std::fs; use std::path::Path; @@ -27,7 +28,7 @@ impl ExternalHtml { md_before_content: &[String], md_after_content: &[String], nightly_build: bool, - dcx: &rustc_errors::DiagCtxt, + dcx: DiagCtxtHandle<'_>, id_map: &mut IdMap, edition: Edition, playground: &Option, @@ -75,7 +76,7 @@ pub(crate) enum LoadStringError { pub(crate) fn load_string>( file_path: P, - dcx: &rustc_errors::DiagCtxt, + dcx: DiagCtxtHandle<'_>, ) -> Result { let file_path = file_path.as_ref(); let contents = match fs::read(file_path) { @@ -98,7 +99,7 @@ pub(crate) fn load_string>( } } -fn load_external_files(names: &[String], dcx: &rustc_errors::DiagCtxt) -> Option { +fn load_external_files(names: &[String], dcx: DiagCtxtHandle<'_>) -> Option { let mut out = String::new(); for name in names { let Ok(s) = load_string(name, dcx) else { return None }; diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs index d6e715d48ea5..fb4cd218b84c 100644 --- a/src/librustdoc/lib.rs +++ b/src/librustdoc/lib.rs @@ -77,7 +77,7 @@ use std::io::{self, IsTerminal}; use std::process; use std::sync::{atomic::AtomicBool, Arc}; -use rustc_errors::{ErrorGuaranteed, FatalError}; +use rustc_errors::{DiagCtxtHandle, ErrorGuaranteed, FatalError}; use rustc_interface::interface; use rustc_middle::ty::TyCtxt; use rustc_session::config::{make_crate_type_option, ErrorOutputType, RustcOptGroup}; @@ -670,7 +670,7 @@ fn usage(argv0: &str) { /// A result type used by several functions under `main()`. type MainResult = Result<(), ErrorGuaranteed>; -pub(crate) fn wrap_return(dcx: &rustc_errors::DiagCtxt, res: Result<(), String>) -> MainResult { +pub(crate) fn wrap_return(dcx: DiagCtxtHandle<'_>, res: Result<(), String>) -> MainResult { match res { Ok(()) => dcx.has_errors().map_or(Ok(()), Err), Err(err) => Err(dcx.err(err)), @@ -732,12 +732,13 @@ fn main_args( None => return Ok(()), }; - let diag = + let dcx = core::new_dcx(options.error_format, None, options.diagnostic_width, &options.unstable_opts); + let dcx = dcx.handle(); match (options.should_test, options.markdown_input()) { - (true, Some(_)) => return wrap_return(&diag, doctest::test_markdown(options)), - (true, None) => return doctest::run(&diag, options), + (true, Some(_)) => return wrap_return(dcx, doctest::test_markdown(options)), + (true, None) => return doctest::run(dcx, options), (false, Some(input)) => { let input = input.to_owned(); let edition = options.edition; @@ -747,7 +748,7 @@ fn main_args( // requires session globals and a thread pool, so we use // `run_compiler`. return wrap_return( - &diag, + dcx, interface::run_compiler(config, |_compiler| { markdown::render(&input, render_options, edition) }), diff --git a/src/librustdoc/scrape_examples.rs b/src/librustdoc/scrape_examples.rs index e9b380fdeac6..5a595e039535 100644 --- a/src/librustdoc/scrape_examples.rs +++ b/src/librustdoc/scrape_examples.rs @@ -7,6 +7,7 @@ use crate::formats::renderer::FormatRenderer; use crate::html::render::Context; use rustc_data_structures::fx::FxHashMap; +use rustc_errors::DiagCtxtHandle; use rustc_hir::{ self as hir, intravisit::{self, Visitor}, @@ -38,7 +39,7 @@ pub(crate) struct ScrapeExamplesOptions { } impl ScrapeExamplesOptions { - pub(crate) fn new(matches: &getopts::Matches, dcx: &rustc_errors::DiagCtxt) -> Option { + pub(crate) fn new(matches: &getopts::Matches, dcx: DiagCtxtHandle<'_>) -> Option { let output_path = matches.opt_str("scrape-examples-output-path"); let target_crates = matches.opt_strs("scrape-examples-target-crate"); let scrape_tests = matches.opt_present("scrape-tests"); @@ -336,7 +337,7 @@ pub(crate) fn run( // options. pub(crate) fn load_call_locations( with_examples: Vec, - dcx: &rustc_errors::DiagCtxt, + dcx: DiagCtxtHandle<'_>, ) -> AllCallLocations { let mut all_calls: AllCallLocations = FxHashMap::default(); for path in with_examples { diff --git a/src/librustdoc/theme.rs b/src/librustdoc/theme.rs index 31d32e23f8eb..2fa54a9cd812 100644 --- a/src/librustdoc/theme.rs +++ b/src/librustdoc/theme.rs @@ -5,7 +5,7 @@ use std::iter::Peekable; use std::path::Path; use std::str::Chars; -use rustc_errors::DiagCtxt; +use rustc_errors::DiagCtxtHandle; #[cfg(test)] mod tests; @@ -236,7 +236,7 @@ pub(crate) fn get_differences( pub(crate) fn test_theme_against>( f: &P, origin: &FxHashMap, - dcx: &DiagCtxt, + dcx: DiagCtxtHandle<'_>, ) -> (bool, Vec) { let against = match fs::read_to_string(f) .map_err(|e| e.to_string()) diff --git a/src/tools/clippy/src/driver.rs b/src/tools/clippy/src/driver.rs index f79da26964f3..6117e76897f2 100644 --- a/src/tools/clippy/src/driver.rs +++ b/src/tools/clippy/src/driver.rs @@ -180,12 +180,12 @@ pub fn main() { rustc_driver::init_rustc_env_logger(&early_dcx); - let using_internal_features = rustc_driver::install_ice_hook(BUG_REPORT_URL, |handler| { + let using_internal_features = rustc_driver::install_ice_hook(BUG_REPORT_URL, |dcx| { // FIXME: this macro calls unwrap internally but is called in a panicking context! It's not // as simple as moving the call from the hook to main, because `install_ice_hook` doesn't // accept a generic closure. let version_info = rustc_tools_util::get_version_info!(); - handler.note(format!("Clippy version: {version_info}")); + dcx.handle().note(format!("Clippy version: {version_info}")); }); exit(rustc_driver::catch_with_exit_code(move || { diff --git a/src/tools/rustfmt/src/parse/macros/cfg_if.rs b/src/tools/rustfmt/src/parse/macros/cfg_if.rs index 5fc988e43193..b91d203d5311 100644 --- a/src/tools/rustfmt/src/parse/macros/cfg_if.rs +++ b/src/tools/rustfmt/src/parse/macros/cfg_if.rs @@ -67,7 +67,7 @@ fn parse_cfg_if_inner<'a>( Ok(None) => continue, Err(err) => { err.cancel(); - parser.psess.dcx.reset_err_count(); + parser.psess.dcx().reset_err_count(); return Err( "Expected item inside cfg_if block, but failed to parse it as an item", ); diff --git a/src/tools/rustfmt/src/parse/macros/lazy_static.rs b/src/tools/rustfmt/src/parse/macros/lazy_static.rs index badd95699500..7026935294ac 100644 --- a/src/tools/rustfmt/src/parse/macros/lazy_static.rs +++ b/src/tools/rustfmt/src/parse/macros/lazy_static.rs @@ -16,8 +16,8 @@ pub(crate) fn parse_lazy_static( ($method:ident $(,)* $($arg:expr),* $(,)*) => { match parser.$method($($arg,)*) { Ok(val) => { - if parser.psess.dcx.has_errors().is_some() { - parser.psess.dcx.reset_err_count(); + if parser.psess.dcx().has_errors().is_some() { + parser.psess.dcx().reset_err_count(); return None; } else { val @@ -25,7 +25,7 @@ pub(crate) fn parse_lazy_static( } Err(err) => { err.cancel(); - parser.psess.dcx.reset_err_count(); + parser.psess.dcx().reset_err_count(); return None; } } diff --git a/src/tools/rustfmt/src/parse/macros/mod.rs b/src/tools/rustfmt/src/parse/macros/mod.rs index cbcc0b2d6364..89169e10715b 100644 --- a/src/tools/rustfmt/src/parse/macros/mod.rs +++ b/src/tools/rustfmt/src/parse/macros/mod.rs @@ -29,8 +29,8 @@ fn parse_macro_arg<'a, 'b: 'a>(parser: &'a mut Parser<'b>) -> Option { if Parser::nonterminal_may_begin_with($nt_kind, &cloned_parser.token) { match $try_parse(&mut cloned_parser) { Ok(x) => { - if parser.psess.dcx.has_errors().is_some() { - parser.psess.dcx.reset_err_count(); + if parser.psess.dcx().has_errors().is_some() { + parser.psess.dcx().reset_err_count(); } else { // Parsing succeeded. *parser = cloned_parser; @@ -39,7 +39,7 @@ fn parse_macro_arg<'a, 'b: 'a>(parser: &'a mut Parser<'b>) -> Option { } Err(e) => { e.cancel(); - parser.psess.dcx.reset_err_count(); + parser.psess.dcx().reset_err_count(); } } } diff --git a/src/tools/rustfmt/src/parse/session.rs b/src/tools/rustfmt/src/parse/session.rs index 1a39d212386b..f4fbabaf6c91 100644 --- a/src/tools/rustfmt/src/parse/session.rs +++ b/src/tools/rustfmt/src/parse/session.rs @@ -210,7 +210,9 @@ impl ParseSess { rustc_driver::DEFAULT_LOCALE_RESOURCES.to_vec(), false, ); - self.raw_psess.dcx.make_silent(fallback_bundle, None, false); + self.raw_psess + .dcx() + .make_silent(fallback_bundle, None, false); } pub(crate) fn span_to_filename(&self, span: Span) -> FileName { @@ -286,11 +288,11 @@ impl ParseSess { } pub(super) fn has_errors(&self) -> bool { - self.raw_psess.dcx.has_errors().is_some() + self.raw_psess.dcx().has_errors().is_some() } pub(super) fn reset_errors(&self) { - self.raw_psess.dcx.reset_err_count(); + self.raw_psess.dcx().reset_err_count(); } } diff --git a/tests/ui-fulldeps/internal-lints/diagnostics.rs b/tests/ui-fulldeps/internal-lints/diagnostics.rs index 7c3a2c97474d..5fcff74064a6 100644 --- a/tests/ui-fulldeps/internal-lints/diagnostics.rs +++ b/tests/ui-fulldeps/internal-lints/diagnostics.rs @@ -14,8 +14,8 @@ extern crate rustc_session; extern crate rustc_span; use rustc_errors::{ - Diag, DiagCtxt, DiagInner, DiagMessage, Diagnostic, EmissionGuarantee, Level, LintDiagnostic, - SubdiagMessageOp, SubdiagMessage, Subdiagnostic, + Diag, DiagCtxtHandle, DiagInner, DiagMessage, Diagnostic, EmissionGuarantee, Level, + LintDiagnostic, SubdiagMessage, SubdiagMessageOp, Subdiagnostic, }; use rustc_macros::{Diagnostic, Subdiagnostic}; use rustc_span::Span; @@ -39,7 +39,7 @@ struct Note { pub struct UntranslatableInDiagnostic; impl<'a, G: EmissionGuarantee> Diagnostic<'a, G> for UntranslatableInDiagnostic { - fn into_diag(self, dcx: &'a DiagCtxt, level: Level) -> Diag<'a, G> { + fn into_diag(self, dcx: DiagCtxtHandle<'a>, level: Level) -> Diag<'a, G> { Diag::new(dcx, level, "untranslatable diagnostic") //~^ ERROR diagnostics should be created using translatable messages } @@ -48,7 +48,7 @@ impl<'a, G: EmissionGuarantee> Diagnostic<'a, G> for UntranslatableInDiagnostic pub struct TranslatableInDiagnostic; impl<'a, G: EmissionGuarantee> Diagnostic<'a, G> for TranslatableInDiagnostic { - fn into_diag(self, dcx: &'a DiagCtxt, level: Level) -> Diag<'a, G> { + fn into_diag(self, dcx: DiagCtxtHandle<'a>, level: Level) -> Diag<'a, G> { Diag::new(dcx, level, crate::fluent_generated::no_crate_example) } } @@ -81,7 +81,7 @@ impl Subdiagnostic for TranslatableInAddtoDiag { pub struct UntranslatableInLintDiagnostic; impl<'a> LintDiagnostic<'a, ()> for UntranslatableInLintDiagnostic { - fn decorate_lint<'b, >(self, diag: &'b mut Diag<'a, ()>) { + fn decorate_lint<'b>(self, diag: &'b mut Diag<'a, ()>) { diag.note("untranslatable diagnostic"); //~^ ERROR diagnostics should be created using translatable messages } @@ -95,7 +95,7 @@ impl<'a> LintDiagnostic<'a, ()> for TranslatableInLintDiagnostic { } } -pub fn make_diagnostics<'a>(dcx: &'a DiagCtxt) { +pub fn make_diagnostics<'a>(dcx: DiagCtxtHandle<'a>) { let _diag = dcx.struct_err(crate::fluent_generated::no_crate_example); //~^ ERROR diagnostics should only be created in `Diagnostic`/`Subdiagnostic`/`LintDiagnostic` impls @@ -107,7 +107,7 @@ pub fn make_diagnostics<'a>(dcx: &'a DiagCtxt) { // Check that `rustc_lint_diagnostics`-annotated functions aren't themselves linted for // `diagnostic_outside_of_impl`. #[rustc_lint_diagnostics] -pub fn skipped_because_of_annotation<'a>(dcx: &'a DiagCtxt) { +pub fn skipped_because_of_annotation<'a>(dcx: DiagCtxtHandle<'a>) { #[allow(rustc::untranslatable_diagnostic)] let _diag = dcx.struct_err("untranslatable diagnostic"); // okay! } From 3f34196839730cfb5b241667cfcc9b94599ea0c1 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Tue, 18 Jun 2024 11:10:18 +0000 Subject: [PATCH 1678/1716] Remove redundant argument from `subdiagnostic` method --- .../src/diagnostics/conflict_errors.rs | 138 ++++------- .../rustc_borrowck/src/diagnostics/mod.rs | 234 +++++++----------- .../src/diagnostics/move_errors.rs | 47 ++-- .../src/diagnostics/mutability_errors.rs | 1 - .../src/diagnostics/region_errors.rs | 10 +- compiler/rustc_codegen_gcc/src/errors.rs | 2 +- compiler/rustc_codegen_llvm/src/errors.rs | 2 +- .../rustc_const_eval/src/check_consts/ops.rs | 2 +- compiler/rustc_errors/src/diagnostic.rs | 7 +- compiler/rustc_expand/src/mbe/diagnostics.rs | 15 +- compiler/rustc_expand/src/mbe/macro_rules.rs | 2 +- .../src/coherence/orphan.rs | 74 +++--- compiler/rustc_hir_typeck/src/_match.rs | 2 +- compiler/rustc_hir_typeck/src/cast.rs | 24 +- compiler/rustc_hir_typeck/src/coercion.rs | 16 +- compiler/rustc_hir_typeck/src/expr.rs | 7 +- .../rustc_hir_typeck/src/fn_ctxt/checks.rs | 2 +- .../src/fn_ctxt/suggestions.rs | 98 +++----- .../rustc_hir_typeck/src/method/suggest.rs | 27 +- compiler/rustc_hir_typeck/src/op.rs | 2 +- .../src/infer/error_reporting/mod.rs | 4 +- .../src/infer/error_reporting/note.rs | 2 +- .../src/infer/error_reporting/suggest.rs | 29 ++- compiler/rustc_lint/src/lints.rs | 6 +- .../src/diagnostics/diagnostic_builder.rs | 2 +- compiler/rustc_middle/src/middle/stability.rs | 2 +- .../src/thir/pattern/check_match.rs | 2 +- compiler/rustc_mir_transform/src/errors.rs | 2 +- .../rustc_parse/src/parser/diagnostics.rs | 4 +- compiler/rustc_parse/src/parser/expr.rs | 2 +- compiler/rustc_parse/src/parser/item.rs | 13 +- compiler/rustc_parse/src/parser/pat.rs | 2 +- compiler/rustc_resolve/src/diagnostics.rs | 72 +++--- compiler/rustc_resolve/src/imports.rs | 4 +- .../rustc_resolve/src/late/diagnostics.rs | 24 +- compiler/rustc_session/src/parse.rs | 12 +- .../src/traits/error_reporting/suggestions.rs | 7 +- src/tools/miri/src/diagnostics.rs | 2 +- 38 files changed, 361 insertions(+), 542 deletions(-) diff --git a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs index 3660632de8ce..197da3eb6416 100644 --- a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs @@ -228,7 +228,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { seen_spans.insert(move_span); } - use_spans.var_path_only_subdiag(self.dcx(), &mut err, desired_action); + use_spans.var_path_only_subdiag(&mut err, desired_action); if !is_loop_move { err.span_label( @@ -303,24 +303,18 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { if needs_note { if let Some(local) = place.as_local() { let span = self.body.local_decls[local].source_info.span; - err.subdiagnostic( - self.dcx(), - crate::session_diagnostics::TypeNoCopy::Label { - is_partial_move, - ty, - place: ¬e_msg, - span, - }, - ); + err.subdiagnostic(crate::session_diagnostics::TypeNoCopy::Label { + is_partial_move, + ty, + place: ¬e_msg, + span, + }); } else { - err.subdiagnostic( - self.dcx(), - crate::session_diagnostics::TypeNoCopy::Note { - is_partial_move, - ty, - place: ¬e_msg, - }, - ); + err.subdiagnostic(crate::session_diagnostics::TypeNoCopy::Note { + is_partial_move, + ty, + place: ¬e_msg, + }); }; } @@ -597,7 +591,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { E0381, "{used} binding {desc}{isnt_initialized}" ); - use_spans.var_path_only_subdiag(self.dcx(), &mut err, desired_action); + use_spans.var_path_only_subdiag(&mut err, desired_action); if let InitializationRequiringAction::PartialAssignment | InitializationRequiringAction::Assignment = desired_action @@ -1410,13 +1404,9 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { &value_msg, ); - borrow_spans.var_path_only_subdiag( - self.dcx(), - &mut err, - crate::InitializationRequiringAction::Borrow, - ); + borrow_spans.var_path_only_subdiag(&mut err, crate::InitializationRequiringAction::Borrow); - move_spans.var_subdiag(self.dcx(), &mut err, None, |kind, var_span| { + move_spans.var_subdiag(&mut err, None, |kind, var_span| { use crate::session_diagnostics::CaptureVarCause::*; match kind { hir::ClosureKind::Coroutine(_) => MoveUseInCoroutine { var_span }, @@ -1468,7 +1458,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { borrow_span, &self.describe_any_place(borrow.borrowed_place.as_ref()), ); - borrow_spans.var_subdiag(self.dcx(), &mut err, Some(borrow.kind), |kind, var_span| { + borrow_spans.var_subdiag(&mut err, Some(borrow.kind), |kind, var_span| { use crate::session_diagnostics::CaptureVarCause::*; let place = &borrow.borrowed_place; let desc_place = self.describe_any_place(place.as_ref()); @@ -1633,7 +1623,6 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { "mutably borrow", ); borrow_spans.var_subdiag( - self.dcx(), &mut err, Some(BorrowKind::Mut { kind: MutBorrowKind::ClosureCapture }), |kind, var_span| { @@ -1730,64 +1719,45 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { }; if issued_spans == borrow_spans { - borrow_spans.var_subdiag( - self.dcx(), - &mut err, - Some(gen_borrow_kind), - |kind, var_span| { - use crate::session_diagnostics::CaptureVarCause::*; - match kind { - hir::ClosureKind::Coroutine(_) => BorrowUsePlaceCoroutine { - place: desc_place, - var_span, - is_single_var: false, - }, - hir::ClosureKind::Closure | hir::ClosureKind::CoroutineClosure(_) => { - BorrowUsePlaceClosure { - place: desc_place, - var_span, - is_single_var: false, - } - } + borrow_spans.var_subdiag(&mut err, Some(gen_borrow_kind), |kind, var_span| { + use crate::session_diagnostics::CaptureVarCause::*; + match kind { + hir::ClosureKind::Coroutine(_) => BorrowUsePlaceCoroutine { + place: desc_place, + var_span, + is_single_var: false, + }, + hir::ClosureKind::Closure | hir::ClosureKind::CoroutineClosure(_) => { + BorrowUsePlaceClosure { place: desc_place, var_span, is_single_var: false } } - }, - ); + } + }); } else { - issued_spans.var_subdiag( - self.dcx(), - &mut err, - Some(issued_borrow.kind), - |kind, var_span| { - use crate::session_diagnostics::CaptureVarCause::*; - let borrow_place = &issued_borrow.borrowed_place; - let borrow_place_desc = self.describe_any_place(borrow_place.as_ref()); - match kind { - hir::ClosureKind::Coroutine(_) => { - FirstBorrowUsePlaceCoroutine { place: borrow_place_desc, var_span } - } - hir::ClosureKind::Closure | hir::ClosureKind::CoroutineClosure(_) => { - FirstBorrowUsePlaceClosure { place: borrow_place_desc, var_span } - } + issued_spans.var_subdiag(&mut err, Some(issued_borrow.kind), |kind, var_span| { + use crate::session_diagnostics::CaptureVarCause::*; + let borrow_place = &issued_borrow.borrowed_place; + let borrow_place_desc = self.describe_any_place(borrow_place.as_ref()); + match kind { + hir::ClosureKind::Coroutine(_) => { + FirstBorrowUsePlaceCoroutine { place: borrow_place_desc, var_span } } - }, - ); + hir::ClosureKind::Closure | hir::ClosureKind::CoroutineClosure(_) => { + FirstBorrowUsePlaceClosure { place: borrow_place_desc, var_span } + } + } + }); - borrow_spans.var_subdiag( - self.dcx(), - &mut err, - Some(gen_borrow_kind), - |kind, var_span| { - use crate::session_diagnostics::CaptureVarCause::*; - match kind { - hir::ClosureKind::Coroutine(_) => { - SecondBorrowUsePlaceCoroutine { place: desc_place, var_span } - } - hir::ClosureKind::Closure | hir::ClosureKind::CoroutineClosure(_) => { - SecondBorrowUsePlaceClosure { place: desc_place, var_span } - } + borrow_spans.var_subdiag(&mut err, Some(gen_borrow_kind), |kind, var_span| { + use crate::session_diagnostics::CaptureVarCause::*; + match kind { + hir::ClosureKind::Coroutine(_) => { + SecondBorrowUsePlaceCoroutine { place: desc_place, var_span } } - }, - ); + hir::ClosureKind::Closure | hir::ClosureKind::CoroutineClosure(_) => { + SecondBorrowUsePlaceClosure { place: desc_place, var_span } + } + } + }); } if union_type_name != "" { @@ -2961,7 +2931,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { err.span_label(borrow_span, "borrowed value does not live long enough"); err.span_label(drop_span, format!("`{name}` dropped here while still borrowed")); - borrow_spans.args_subdiag(self.dcx(), &mut err, |args_span| { + borrow_spans.args_subdiag(&mut err, |args_span| { crate::session_diagnostics::CaptureArgLabel::Capture { is_within: borrow_spans.for_coroutine(), args_span, @@ -3219,7 +3189,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { None, ); - borrow_spans.args_subdiag(self.dcx(), &mut err, |args_span| { + borrow_spans.args_subdiag(&mut err, |args_span| { crate::session_diagnostics::CaptureArgLabel::Capture { is_within: borrow_spans.for_coroutine(), args_span, @@ -3680,7 +3650,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { "assign", ); - loan_spans.var_subdiag(self.dcx(), &mut err, Some(loan.kind), |kind, var_span| { + loan_spans.var_subdiag(&mut err, Some(loan.kind), |kind, var_span| { use crate::session_diagnostics::CaptureVarCause::*; match kind { hir::ClosureKind::Coroutine(_) => BorrowUseInCoroutine { var_span }, @@ -3698,7 +3668,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { let mut err = self.cannot_assign_to_borrowed(span, loan_span, &descr_place); - loan_spans.var_subdiag(self.dcx(), &mut err, Some(loan.kind), |kind, var_span| { + loan_spans.var_subdiag(&mut err, Some(loan.kind), |kind, var_span| { use crate::session_diagnostics::CaptureVarCause::*; match kind { hir::ClosureKind::Coroutine(_) => BorrowUseInCoroutine { var_span }, diff --git a/compiler/rustc_borrowck/src/diagnostics/mod.rs b/compiler/rustc_borrowck/src/diagnostics/mod.rs index 2c12d25d24a0..5b4269caccb5 100644 --- a/compiler/rustc_borrowck/src/diagnostics/mod.rs +++ b/compiler/rustc_borrowck/src/diagnostics/mod.rs @@ -5,7 +5,7 @@ use crate::session_diagnostics::{ CaptureVarKind, CaptureVarPathUseCause, OnClosureNote, }; use rustc_errors::MultiSpan; -use rustc_errors::{Applicability, Diag, DiagCtxtHandle}; +use rustc_errors::{Applicability, Diag}; use rustc_hir::def::{CtorKind, Namespace}; use rustc_hir::CoroutineKind; use rustc_hir::{self as hir, LangItem}; @@ -130,16 +130,13 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { if let ty::Closure(did, _) = self.body.local_decls[closure].ty.kind() { let did = did.expect_local(); if let Some((span, hir_place)) = self.infcx.tcx.closure_kind_origin(did) { - diag.subdiagnostic( - self.dcx(), - OnClosureNote::InvokedTwice { - place_name: &ty::place_to_string_for_capture( - self.infcx.tcx, - hir_place, - ), - span: *span, - }, - ); + diag.subdiagnostic(OnClosureNote::InvokedTwice { + place_name: &ty::place_to_string_for_capture( + self.infcx.tcx, + hir_place, + ), + span: *span, + }); return true; } } @@ -152,13 +149,10 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { if let ty::Closure(did, _) = self.body.local_decls[target].ty.kind() { let did = did.expect_local(); if let Some((span, hir_place)) = self.infcx.tcx.closure_kind_origin(did) { - diag.subdiagnostic( - self.dcx(), - OnClosureNote::MovedTwice { - place_name: &ty::place_to_string_for_capture(self.infcx.tcx, hir_place), - span: *span, - }, - ); + diag.subdiagnostic(OnClosureNote::MovedTwice { + place_name: &ty::place_to_string_for_capture(self.infcx.tcx, hir_place), + span: *span, + }); return true; } } @@ -591,14 +585,9 @@ impl UseSpans<'_> { /// Add a span label to the arguments of the closure, if it exists. #[allow(rustc::diagnostic_outside_of_impl)] - pub(super) fn args_subdiag( - self, - dcx: DiagCtxtHandle<'_>, - err: &mut Diag<'_>, - f: impl FnOnce(Span) -> CaptureArgLabel, - ) { + pub(super) fn args_subdiag(self, err: &mut Diag<'_>, f: impl FnOnce(Span) -> CaptureArgLabel) { if let UseSpans::ClosureUse { args_span, .. } = self { - err.subdiagnostic(dcx, f(args_span)); + err.subdiagnostic(f(args_span)); } } @@ -607,7 +596,6 @@ impl UseSpans<'_> { #[allow(rustc::diagnostic_outside_of_impl)] pub(super) fn var_path_only_subdiag( self, - dcx: DiagCtxtHandle<'_>, err: &mut Diag<'_>, action: crate::InitializationRequiringAction, ) { @@ -616,26 +604,20 @@ impl UseSpans<'_> { if let UseSpans::ClosureUse { closure_kind, path_span, .. } = self { match closure_kind { hir::ClosureKind::Coroutine(_) => { - err.subdiagnostic( - dcx, - match action { - Borrow => BorrowInCoroutine { path_span }, - MatchOn | Use => UseInCoroutine { path_span }, - Assignment => AssignInCoroutine { path_span }, - PartialAssignment => AssignPartInCoroutine { path_span }, - }, - ); + err.subdiagnostic(match action { + Borrow => BorrowInCoroutine { path_span }, + MatchOn | Use => UseInCoroutine { path_span }, + Assignment => AssignInCoroutine { path_span }, + PartialAssignment => AssignPartInCoroutine { path_span }, + }); } hir::ClosureKind::Closure | hir::ClosureKind::CoroutineClosure(_) => { - err.subdiagnostic( - dcx, - match action { - Borrow => BorrowInClosure { path_span }, - MatchOn | Use => UseInClosure { path_span }, - Assignment => AssignInClosure { path_span }, - PartialAssignment => AssignPartInClosure { path_span }, - }, - ); + err.subdiagnostic(match action { + Borrow => BorrowInClosure { path_span }, + MatchOn | Use => UseInClosure { path_span }, + Assignment => AssignInClosure { path_span }, + PartialAssignment => AssignPartInClosure { path_span }, + }); } } } @@ -645,32 +627,28 @@ impl UseSpans<'_> { #[allow(rustc::diagnostic_outside_of_impl)] pub(super) fn var_subdiag( self, - dcx: DiagCtxtHandle<'_>, err: &mut Diag<'_>, kind: Option, f: impl FnOnce(hir::ClosureKind, Span) -> CaptureVarCause, ) { if let UseSpans::ClosureUse { closure_kind, capture_kind_span, path_span, .. } = self { if capture_kind_span != path_span { - err.subdiagnostic( - dcx, - match kind { - Some(kd) => match kd { - rustc_middle::mir::BorrowKind::Shared - | rustc_middle::mir::BorrowKind::Fake(_) => { - CaptureVarKind::Immut { kind_span: capture_kind_span } - } + err.subdiagnostic(match kind { + Some(kd) => match kd { + rustc_middle::mir::BorrowKind::Shared + | rustc_middle::mir::BorrowKind::Fake(_) => { + CaptureVarKind::Immut { kind_span: capture_kind_span } + } - rustc_middle::mir::BorrowKind::Mut { .. } => { - CaptureVarKind::Mut { kind_span: capture_kind_span } - } - }, - None => CaptureVarKind::Move { kind_span: capture_kind_span }, + rustc_middle::mir::BorrowKind::Mut { .. } => { + CaptureVarKind::Mut { kind_span: capture_kind_span } + } }, - ); + None => CaptureVarKind::Move { kind_span: capture_kind_span }, + }); }; let diag = f(closure_kind, path_span); - err.subdiagnostic(dcx, diag); + err.subdiagnostic(diag); } } @@ -1042,15 +1020,12 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { CallKind::FnCall { fn_trait_id, self_ty } if self.infcx.tcx.is_lang_item(fn_trait_id, LangItem::FnOnce) => { - err.subdiagnostic( - self.dcx(), - CaptureReasonLabel::Call { - fn_call_span, - place_name: &place_name, - is_partial, - is_loop_message, - }, - ); + err.subdiagnostic(CaptureReasonLabel::Call { + fn_call_span, + place_name: &place_name, + is_partial, + is_loop_message, + }); // Check if the move occurs on a value because of a call on a closure that comes // from a type parameter `F: FnOnce()`. If so, we provide a targeted `note`: // ``` @@ -1119,27 +1094,20 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { ); err.span_note(span, fluent::borrowck_moved_a_fn_once_in_call_call); } else { - err.subdiagnostic( - self.dcx(), - CaptureReasonNote::FnOnceMoveInCall { var_span }, - ); + err.subdiagnostic(CaptureReasonNote::FnOnceMoveInCall { var_span }); } } CallKind::Operator { self_arg, trait_id, .. } => { let self_arg = self_arg.unwrap(); - err.subdiagnostic( - self.dcx(), - CaptureReasonLabel::OperatorUse { - fn_call_span, - place_name: &place_name, - is_partial, - is_loop_message, - }, - ); + err.subdiagnostic(CaptureReasonLabel::OperatorUse { + fn_call_span, + place_name: &place_name, + is_partial, + is_loop_message, + }); if self.fn_self_span_reported.insert(fn_span) { let lang = self.infcx.tcx.lang_items(); err.subdiagnostic( - self.dcx(), if [lang.not_trait(), lang.deref_trait(), lang.neg_trait()] .contains(&Some(trait_id)) { @@ -1164,14 +1132,11 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { ); let func = tcx.def_path_str(method_did); - err.subdiagnostic( - self.dcx(), - CaptureReasonNote::FuncTakeSelf { - func, - place_name: place_name.clone(), - span: self_arg.span, - }, - ); + err.subdiagnostic(CaptureReasonNote::FuncTakeSelf { + func, + place_name: place_name.clone(), + span: self_arg.span, + }); } let parent_did = tcx.parent(method_did); let parent_self_ty = @@ -1185,10 +1150,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { matches!(tcx.get_diagnostic_name(def_id), Some(sym::Option | sym::Result)) }); if is_option_or_result && maybe_reinitialized_locations_is_empty { - err.subdiagnostic( - self.dcx(), - CaptureReasonLabel::BorrowContent { var_span }, - ); + err.subdiagnostic(CaptureReasonLabel::BorrowContent { var_span }); } if let Some((CallDesugaringKind::ForLoopIntoIter, _)) = desugaring { let ty = moved_place.ty(self.body, tcx).ty; @@ -1202,24 +1164,18 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { _ => false, }; if suggest { - err.subdiagnostic( - self.dcx(), - CaptureReasonSuggest::IterateSlice { - ty, - span: move_span.shrink_to_lo(), - }, - ); + err.subdiagnostic(CaptureReasonSuggest::IterateSlice { + ty, + span: move_span.shrink_to_lo(), + }); } - err.subdiagnostic( - self.dcx(), - CaptureReasonLabel::ImplicitCall { - fn_call_span, - place_name: &place_name, - is_partial, - is_loop_message, - }, - ); + err.subdiagnostic(CaptureReasonLabel::ImplicitCall { + fn_call_span, + place_name: &place_name, + is_partial, + is_loop_message, + }); // If the moved place was a `&mut` ref, then we can // suggest to reborrow it where it was moved, so it // will still be valid by the time we get to the usage. @@ -1243,25 +1199,19 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { } } else { if let Some((CallDesugaringKind::Await, _)) = desugaring { - err.subdiagnostic( - self.dcx(), - CaptureReasonLabel::Await { - fn_call_span, - place_name: &place_name, - is_partial, - is_loop_message, - }, - ); + err.subdiagnostic(CaptureReasonLabel::Await { + fn_call_span, + place_name: &place_name, + is_partial, + is_loop_message, + }); } else { - err.subdiagnostic( - self.dcx(), - CaptureReasonLabel::MethodCall { - fn_call_span, - place_name: &place_name, - is_partial, - is_loop_message, - }, - ); + err.subdiagnostic(CaptureReasonLabel::MethodCall { + fn_call_span, + place_name: &place_name, + is_partial, + is_loop_message, + }); } // Erase and shadow everything that could be passed to the new infcx. let ty = moved_place.ty(self.body, tcx).ty; @@ -1276,12 +1226,9 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { ) && self.infcx.can_eq(self.param_env, ty, self_ty) { - err.subdiagnostic( - self.dcx(), - CaptureReasonSuggest::FreshReborrow { - span: move_span.shrink_to_hi(), - }, - ); + err.subdiagnostic(CaptureReasonSuggest::FreshReborrow { + span: move_span.shrink_to_hi(), + }); has_sugg = true; } if let Some(clone_trait) = tcx.lang_items().clone_trait() { @@ -1368,20 +1315,17 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { } } else { if move_span != span || is_loop_message { - err.subdiagnostic( - self.dcx(), - CaptureReasonLabel::MovedHere { - move_span, - is_partial, - is_move_msg, - is_loop_message, - }, - ); + err.subdiagnostic(CaptureReasonLabel::MovedHere { + move_span, + is_partial, + is_move_msg, + is_loop_message, + }); } // If the move error occurs due to a loop, don't show // another message for the same span if !is_loop_message { - move_spans.var_subdiag(self.dcx(), err, None, |kind, var_span| match kind { + move_spans.var_subdiag(err, None, |kind, var_span| match kind { hir::ClosureKind::Coroutine(_) => { CaptureVarCause::PartialMoveUseInCoroutine { var_span, is_partial } } diff --git a/compiler/rustc_borrowck/src/diagnostics/move_errors.rs b/compiler/rustc_borrowck/src/diagnostics/move_errors.rs index 1d844c3d6a29..5a7bca9ab036 100644 --- a/compiler/rustc_borrowck/src/diagnostics/move_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/move_errors.rs @@ -579,15 +579,12 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { self.suggest_cloning(err, place_ty, expr, self.find_expr(other_span), None); } - err.subdiagnostic( - self.dcx(), - crate::session_diagnostics::TypeNoCopy::Label { - is_partial_move: false, - ty: place_ty, - place: &place_desc, - span, - }, - ); + err.subdiagnostic(crate::session_diagnostics::TypeNoCopy::Label { + is_partial_move: false, + ty: place_ty, + place: &place_desc, + span, + }); } else { binds_to.sort(); binds_to.dedup(); @@ -620,17 +617,14 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { ); } - err.subdiagnostic( - self.dcx(), - crate::session_diagnostics::TypeNoCopy::Label { - is_partial_move: false, - ty: place_ty, - place: &place_desc, - span: use_span, - }, - ); + err.subdiagnostic(crate::session_diagnostics::TypeNoCopy::Label { + is_partial_move: false, + ty: place_ty, + place: &place_desc, + span: use_span, + }); - use_spans.args_subdiag(self.dcx(), err, |args_span| { + use_spans.args_subdiag(err, |args_span| { crate::session_diagnostics::CaptureArgLabel::MoveOutPlace { place: place_desc, args_span, @@ -733,15 +727,12 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { self.suggest_cloning(err, bind_to.ty, expr, None, None); } - err.subdiagnostic( - self.dcx(), - crate::session_diagnostics::TypeNoCopy::Label { - is_partial_move: false, - ty: bind_to.ty, - place: place_desc, - span: binding_span, - }, - ); + err.subdiagnostic(crate::session_diagnostics::TypeNoCopy::Label { + is_partial_move: false, + ty: bind_to.ty, + place: place_desc, + span: binding_span, + }); } } diff --git a/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs b/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs index 9fd23bc94cf6..e0b18536dd56 100644 --- a/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs @@ -230,7 +230,6 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { } if suggest { borrow_spans.var_subdiag( - self.dcx(), &mut err, Some(mir::BorrowKind::Mut { kind: mir::MutBorrowKind::Default }), |_kind, var_span| { diff --git a/compiler/rustc_borrowck/src/diagnostics/region_errors.rs b/compiler/rustc_borrowck/src/diagnostics/region_errors.rs index 15a8764aab3c..67c11ff4a5bd 100644 --- a/compiler/rustc_borrowck/src/diagnostics/region_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/region_errors.rs @@ -631,13 +631,13 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { let upvars_map = self.infcx.tcx.upvars_mentioned(def_id).unwrap(); let upvar_def_span = self.infcx.tcx.hir().span(def_hir); let upvar_span = upvars_map.get(&def_hir).unwrap().span; - diag.subdiagnostic(self.dcx(), VarHereDenote::Defined { span: upvar_def_span }); - diag.subdiagnostic(self.dcx(), VarHereDenote::Captured { span: upvar_span }); + diag.subdiagnostic(VarHereDenote::Defined { span: upvar_def_span }); + diag.subdiagnostic(VarHereDenote::Captured { span: upvar_span }); } } if let Some(fr_span) = self.give_region_a_name(*outlived_fr).unwrap().span() { - diag.subdiagnostic(self.dcx(), VarHereDenote::FnMutInferred { span: fr_span }); + diag.subdiagnostic(VarHereDenote::FnMutInferred { span: fr_span }); } self.suggest_move_on_borrowing_closure(&mut diag); @@ -810,7 +810,7 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { }, }; - diag.subdiagnostic(self.dcx(), err_category); + diag.subdiagnostic(err_category); self.add_static_impl_trait_suggestion(&mut diag, *fr, fr_name, *outlived_fr); self.suggest_adding_lifetime_params(&mut diag, *fr, *outlived_fr); @@ -1008,7 +1008,7 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { ident.span, "calling this method introduces the `impl`'s `'static` requirement", ); - err.subdiagnostic(self.dcx(), RequireStaticErr::UsedImpl { multi_span }); + err.subdiagnostic(RequireStaticErr::UsedImpl { multi_span }); err.span_suggestion_verbose( span.shrink_to_hi(), "consider relaxing the implicit `'static` requirement", diff --git a/compiler/rustc_codegen_gcc/src/errors.rs b/compiler/rustc_codegen_gcc/src/errors.rs index 5b3113423923..6bada3d334ce 100644 --- a/compiler/rustc_codegen_gcc/src/errors.rs +++ b/compiler/rustc_codegen_gcc/src/errors.rs @@ -96,7 +96,7 @@ impl Diagnostic<'_, G> for TargetFeatureDisableOrEnable<'_ diag.span(span); }; if let Some(missing_features) = self.missing_features { - diag.subdiagnostic(dcx, missing_features); + diag.subdiagnostic(missing_features); } diag.arg("features", self.features.join(", ")); diag diff --git a/compiler/rustc_codegen_llvm/src/errors.rs b/compiler/rustc_codegen_llvm/src/errors.rs index 0b9e46260fb3..40ac2f9c8bab 100644 --- a/compiler/rustc_codegen_llvm/src/errors.rs +++ b/compiler/rustc_codegen_llvm/src/errors.rs @@ -126,7 +126,7 @@ impl Diagnostic<'_, G> for TargetFeatureDisableOrEnable<'_ diag.span(span); }; if let Some(missing_features) = self.missing_features { - diag.subdiagnostic(dcx, missing_features); + diag.subdiagnostic(missing_features); } diag.arg("features", self.features.join(", ")); diag diff --git a/compiler/rustc_const_eval/src/check_consts/ops.rs b/compiler/rustc_const_eval/src/check_consts/ops.rs index eb9a83fb9cfa..55432e63ef9d 100644 --- a/compiler/rustc_const_eval/src/check_consts/ops.rs +++ b/compiler/rustc_const_eval/src/check_consts/ops.rs @@ -138,7 +138,7 @@ impl<'tcx> NonConstOp<'tcx> for FnCallNonConst<'tcx> { // FIXME(effects) revisit this if !tcx.is_const_trait_impl_raw(data.impl_def_id) { let span = tcx.def_span(data.impl_def_id); - err.subdiagnostic(tcx.dcx(), errors::NonConstImplNote { span }); + err.subdiagnostic(errors::NonConstImplNote { span }); } } } diff --git a/compiler/rustc_errors/src/diagnostic.rs b/compiler/rustc_errors/src/diagnostic.rs index c03dccdb3253..e580910af779 100644 --- a/compiler/rustc_errors/src/diagnostic.rs +++ b/compiler/rustc_errors/src/diagnostic.rs @@ -1192,11 +1192,8 @@ impl<'a, G: EmissionGuarantee> Diag<'a, G> { /// used in the subdiagnostic, so suitable for use with repeated messages (i.e. re-use of /// interpolated variables). #[rustc_lint_diagnostics] - pub fn subdiagnostic( - &mut self, - dcx: DiagCtxtHandle<'_>, - subdiagnostic: impl Subdiagnostic, - ) -> &mut Self { + pub fn subdiagnostic(&mut self, subdiagnostic: impl Subdiagnostic) -> &mut Self { + let dcx = self.dcx; subdiagnostic.add_to_diag_with(self, &|diag, msg| { let args = diag.args.iter(); let msg = diag.subdiagnostic_message_to_diagnostic_message(msg); diff --git a/compiler/rustc_expand/src/mbe/diagnostics.rs b/compiler/rustc_expand/src/mbe/diagnostics.rs index 85ecfa621883..bf475c1dc96f 100644 --- a/compiler/rustc_expand/src/mbe/diagnostics.rs +++ b/compiler/rustc_expand/src/mbe/diagnostics.rs @@ -7,7 +7,7 @@ use crate::mbe::{ use rustc_ast::token::{self, Token, TokenKind}; use rustc_ast::tokenstream::TokenStream; use rustc_ast_pretty::pprust; -use rustc_errors::{Applicability, Diag, DiagCtxtHandle, DiagMessage}; +use rustc_errors::{Applicability, Diag, DiagMessage}; use rustc_macros::Subdiagnostic; use rustc_parse::parser::{Parser, Recovery}; use rustc_span::source_map::SourceMap; @@ -61,7 +61,7 @@ pub(super) fn failed_to_match_macro<'cx>( err.span_label(cx.source_map().guess_head_span(def_span), "when calling this macro"); } - annotate_doc_comment(cx.sess.dcx(), &mut err, psess.source_map(), span); + annotate_doc_comment(&mut err, psess.source_map(), span); if let Some(span) = remaining_matcher.span() { err.span_note(span, format!("while trying to match {remaining_matcher}")); @@ -324,17 +324,12 @@ enum ExplainDocComment { }, } -pub(super) fn annotate_doc_comment( - dcx: DiagCtxtHandle<'_>, - err: &mut Diag<'_>, - sm: &SourceMap, - span: Span, -) { +pub(super) fn annotate_doc_comment(err: &mut Diag<'_>, sm: &SourceMap, span: Span) { if let Ok(src) = sm.span_to_snippet(span) { if src.starts_with("///") || src.starts_with("/**") { - err.subdiagnostic(dcx, ExplainDocComment::Outer { span }); + err.subdiagnostic(ExplainDocComment::Outer { span }); } else if src.starts_with("//!") || src.starts_with("/*!") { - err.subdiagnostic(dcx, ExplainDocComment::Inner { span }); + err.subdiagnostic(ExplainDocComment::Inner { span }); } } } diff --git a/compiler/rustc_expand/src/mbe/macro_rules.rs b/compiler/rustc_expand/src/mbe/macro_rules.rs index fd1aa44fd70e..49b1f5ce0e3e 100644 --- a/compiler/rustc_expand/src/mbe/macro_rules.rs +++ b/compiler/rustc_expand/src/mbe/macro_rules.rs @@ -463,7 +463,7 @@ pub fn compile_declarative_macro( let sp = token.span.substitute_dummy(def.span); let mut err = sess.dcx().struct_span_err(sp, s); err.span_label(sp, msg); - annotate_doc_comment(sess.dcx(), &mut err, sess.source_map(), sp); + annotate_doc_comment(&mut err, sess.source_map(), sp); let guar = err.emit(); return dummy_syn_ext(guar); } diff --git a/compiler/rustc_hir_analysis/src/coherence/orphan.rs b/compiler/rustc_hir_analysis/src/coherence/orphan.rs index 61ac4af01519..9421269e51ea 100644 --- a/compiler/rustc_hir_analysis/src/coherence/orphan.rs +++ b/compiler/rustc_hir_analysis/src/coherence/orphan.rs @@ -403,74 +403,56 @@ fn emit_orphan_check_error<'tcx>( match *ty.kind() { ty::Slice(_) => { if is_foreign { - diag.subdiagnostic( - tcx.dcx(), - errors::OnlyCurrentTraitsForeign { span }, - ); + diag.subdiagnostic(errors::OnlyCurrentTraitsForeign { span }); } else { - diag.subdiagnostic( - tcx.dcx(), - errors::OnlyCurrentTraitsName { span, name: "slices" }, - ); + diag.subdiagnostic(errors::OnlyCurrentTraitsName { + span, + name: "slices", + }); } } ty::Array(..) => { if is_foreign { - diag.subdiagnostic( - tcx.dcx(), - errors::OnlyCurrentTraitsForeign { span }, - ); + diag.subdiagnostic(errors::OnlyCurrentTraitsForeign { span }); } else { - diag.subdiagnostic( - tcx.dcx(), - errors::OnlyCurrentTraitsName { span, name: "arrays" }, - ); + diag.subdiagnostic(errors::OnlyCurrentTraitsName { + span, + name: "arrays", + }); } } ty::Tuple(..) => { if is_foreign { - diag.subdiagnostic( - tcx.dcx(), - errors::OnlyCurrentTraitsForeign { span }, - ); + diag.subdiagnostic(errors::OnlyCurrentTraitsForeign { span }); } else { - diag.subdiagnostic( - tcx.dcx(), - errors::OnlyCurrentTraitsName { span, name: "tuples" }, - ); + diag.subdiagnostic(errors::OnlyCurrentTraitsName { + span, + name: "tuples", + }); } } ty::Alias(ty::Opaque, ..) => { - diag.subdiagnostic(tcx.dcx(), errors::OnlyCurrentTraitsOpaque { span }); + diag.subdiagnostic(errors::OnlyCurrentTraitsOpaque { span }); } ty::RawPtr(ptr_ty, mutbl) => { if !trait_ref.self_ty().has_param() { - diag.subdiagnostic( - tcx.dcx(), - errors::OnlyCurrentTraitsPointerSugg { - wrapper_span: impl_.self_ty.span, - struct_span: item.span.shrink_to_lo(), - mut_key: mutbl.prefix_str(), - ptr_ty, - }, - ); + diag.subdiagnostic(errors::OnlyCurrentTraitsPointerSugg { + wrapper_span: impl_.self_ty.span, + struct_span: item.span.shrink_to_lo(), + mut_key: mutbl.prefix_str(), + ptr_ty, + }); } - diag.subdiagnostic( - tcx.dcx(), - errors::OnlyCurrentTraitsPointer { span, pointer: ty }, - ); + diag.subdiagnostic(errors::OnlyCurrentTraitsPointer { span, pointer: ty }); } ty::Adt(adt_def, _) => { - diag.subdiagnostic( - tcx.dcx(), - errors::OnlyCurrentTraitsAdt { - span, - name: tcx.def_path_str(adt_def.did()), - }, - ); + diag.subdiagnostic(errors::OnlyCurrentTraitsAdt { + span, + name: tcx.def_path_str(adt_def.did()), + }); } _ => { - diag.subdiagnostic(tcx.dcx(), errors::OnlyCurrentTraitsTy { span, ty }); + diag.subdiagnostic(errors::OnlyCurrentTraitsTy { span, ty }); } } } diff --git a/compiler/rustc_hir_typeck/src/_match.rs b/compiler/rustc_hir_typeck/src/_match.rs index 281af80bff57..4e2104ff5615 100644 --- a/compiler/rustc_hir_typeck/src/_match.rs +++ b/compiler/rustc_hir_typeck/src/_match.rs @@ -246,7 +246,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let semi = expr.span.shrink_to_hi().with_hi(semi_span.hi()); let sugg = crate::errors::RemoveSemiForCoerce { expr: expr.span, ret, semi }; - diag.subdiagnostic(self.dcx(), sugg); + diag.subdiagnostic(sugg); } /// When the previously checked expression (the scrutinee) diverges, diff --git a/compiler/rustc_hir_typeck/src/cast.rs b/compiler/rustc_hir_typeck/src/cast.rs index 9e9a1f678edd..587085102821 100644 --- a/compiler/rustc_hir_typeck/src/cast.rs +++ b/compiler/rustc_hir_typeck/src/cast.rs @@ -1005,25 +1005,19 @@ impl<'a, 'tcx> CastCheck<'tcx> { if let Some((deref_ty, _)) = derefed { // Give a note about what the expr derefs to. if deref_ty != self.expr_ty.peel_refs() { - err.subdiagnostic( - fcx.dcx(), - errors::DerefImplsIsEmpty { - span: self.expr_span, - deref_ty: fcx.ty_to_string(deref_ty), - }, - ); + err.subdiagnostic(errors::DerefImplsIsEmpty { + span: self.expr_span, + deref_ty: fcx.ty_to_string(deref_ty), + }); } // Create a multipart suggestion: add `!` and `.is_empty()` in // place of the cast. - err.subdiagnostic( - fcx.dcx(), - errors::UseIsEmpty { - lo: self.expr_span.shrink_to_lo(), - hi: self.span.with_lo(self.expr_span.hi()), - expr_ty: fcx.ty_to_string(self.expr_ty), - }, - ); + err.subdiagnostic(errors::UseIsEmpty { + lo: self.expr_span.shrink_to_lo(), + hi: self.span.with_lo(self.expr_span.hi()), + expr_ty: fcx.ty_to_string(self.expr_ty), + }); } } } diff --git a/compiler/rustc_hir_typeck/src/coercion.rs b/compiler/rustc_hir_typeck/src/coercion.rs index fcd22b746769..31f85e21d713 100644 --- a/compiler/rustc_hir_typeck/src/coercion.rs +++ b/compiler/rustc_hir_typeck/src/coercion.rs @@ -1782,20 +1782,14 @@ impl<'tcx, 'exprs, E: AsCoercionSite> CoerceMany<'tcx, 'exprs, E> { } let rpid_def_span = fcx.tcx.def_span(rpit_def_id); - err.subdiagnostic( - fcx.tcx.dcx(), - SuggestBoxingForReturnImplTrait::ChangeReturnType { - start_sp: rpid_def_span.with_hi(rpid_def_span.lo() + BytePos(4)), - end_sp: rpid_def_span.shrink_to_hi(), - }, - ); + err.subdiagnostic(SuggestBoxingForReturnImplTrait::ChangeReturnType { + start_sp: rpid_def_span.with_hi(rpid_def_span.lo() + BytePos(4)), + end_sp: rpid_def_span.shrink_to_hi(), + }); let (starts, ends) = arm_spans.map(|span| (span.shrink_to_lo(), span.shrink_to_hi())).unzip(); - err.subdiagnostic( - fcx.tcx.dcx(), - SuggestBoxingForReturnImplTrait::BoxReturnExpr { starts, ends }, - ); + err.subdiagnostic(SuggestBoxingForReturnImplTrait::BoxReturnExpr { starts, ends }); } fn report_return_mismatched_types<'a>( diff --git a/compiler/rustc_hir_typeck/src/expr.rs b/compiler/rustc_hir_typeck/src/expr.rs index fe497498c4bc..233dc2afa9b2 100644 --- a/compiler/rustc_hir_typeck/src/expr.rs +++ b/compiler/rustc_hir_typeck/src/expr.rs @@ -384,7 +384,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { if let Some(sp) = tcx.sess.psess.ambiguous_block_expr_parse.borrow().get(&sp) { - err.subdiagnostic(self.dcx(), ExprParenthesesNeeded::surrounding(*sp)); + err.subdiagnostic(ExprParenthesesNeeded::surrounding(*sp)); } oprnd_t = Ty::new_error(tcx, err.emit()); } @@ -2018,10 +2018,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { .shrink_to_hi() .to(range_end.span); - err.subdiagnostic( - self.dcx(), - TypeMismatchFruTypo { expr_span: range_start.span, fru_span, expr }, - ); + err.subdiagnostic(TypeMismatchFruTypo { expr_span: range_start.span, fru_span, expr }); // Suppress any range expr type mismatches self.dcx().try_steal_replace_and_emit_err( diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs index 10d9e07db6f1..1138642c56d6 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs @@ -1435,7 +1435,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { { // The user provided `ptr::null()`, but the function expects // `ptr::null_mut()`. - err.subdiagnostic(self.dcx(), SuggestPtrNullMut { span: arg.span }); + err.subdiagnostic(SuggestPtrNullMut { span: arg.span }); } } diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs index 9743dc7c69fb..337a92c0d012 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs @@ -460,16 +460,13 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // but those checks need to be a bit more delicate and the benefit is diminishing. if self.can_eq(self.param_env, found_ty_inner, peeled) && error_tys_equate_as_ref { let sugg = prefix_wrap(".as_ref()"); - err.subdiagnostic( - self.dcx(), - errors::SuggestConvertViaMethod { - span: expr.span.shrink_to_hi(), - sugg, - expected, - found, - borrow_removal_span, - }, - ); + err.subdiagnostic(errors::SuggestConvertViaMethod { + span: expr.span.shrink_to_hi(), + sugg, + expected, + found, + borrow_removal_span, + }); return true; } else if let Some((deref_ty, _)) = self.autoderef(expr.span, found_ty_inner).silence_errors().nth(1) @@ -477,16 +474,13 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { && error_tys_equate_as_ref { let sugg = prefix_wrap(".as_deref()"); - err.subdiagnostic( - self.dcx(), - errors::SuggestConvertViaMethod { - span: expr.span.shrink_to_hi(), - sugg, - expected, - found, - borrow_removal_span, - }, - ); + err.subdiagnostic(errors::SuggestConvertViaMethod { + span: expr.span.shrink_to_hi(), + sugg, + expected, + found, + borrow_removal_span, + }); return true; } else if let ty::Adt(adt, _) = found_ty_inner.peel_refs().kind() && self.tcx.is_lang_item(adt.did(), LangItem::String) @@ -573,7 +567,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { end: span.shrink_to_hi(), }, }; - err.subdiagnostic(self.dcx(), suggest_boxing); + err.subdiagnostic(suggest_boxing); true } else { @@ -814,28 +808,22 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { match &fn_decl.output { &hir::FnRetTy::DefaultReturn(span) if expected.is_unit() && !can_suggest => { // `fn main()` must return `()`, do not suggest changing return type - err.subdiagnostic(self.dcx(), errors::ExpectedReturnTypeLabel::Unit { span }); + err.subdiagnostic(errors::ExpectedReturnTypeLabel::Unit { span }); return true; } &hir::FnRetTy::DefaultReturn(span) if expected.is_unit() => { if let Some(found) = found.make_suggestable(self.tcx, false, None) { - err.subdiagnostic( - self.dcx(), - errors::AddReturnTypeSuggestion::Add { span, found: found.to_string() }, - ); + err.subdiagnostic(errors::AddReturnTypeSuggestion::Add { + span, + found: found.to_string(), + }); return true; } else if let Some(sugg) = suggest_impl_trait(self, self.param_env, found) { - err.subdiagnostic( - self.dcx(), - errors::AddReturnTypeSuggestion::Add { span, found: sugg }, - ); + err.subdiagnostic(errors::AddReturnTypeSuggestion::Add { span, found: sugg }); return true; } else { // FIXME: if `found` could be `impl Iterator` we should suggest that. - err.subdiagnostic( - self.dcx(), - errors::AddReturnTypeSuggestion::MissingHere { span }, - ); + err.subdiagnostic(errors::AddReturnTypeSuggestion::MissingHere { span }); return true; } } @@ -856,19 +844,16 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { debug!(?found); if found.is_suggestable(self.tcx, false) { if ty.span.is_empty() { - err.subdiagnostic( - self.dcx(), - errors::AddReturnTypeSuggestion::Add { - span: ty.span, - found: found.to_string(), - }, - ); + err.subdiagnostic(errors::AddReturnTypeSuggestion::Add { + span: ty.span, + found: found.to_string(), + }); return true; } else { - err.subdiagnostic( - self.dcx(), - errors::ExpectedReturnTypeLabel::Other { span: ty.span, expected }, - ); + err.subdiagnostic(errors::ExpectedReturnTypeLabel::Other { + span: ty.span, + expected, + }); } } } else { @@ -883,10 +868,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let ty = self.normalize(hir_ty.span, ty); let ty = self.tcx.instantiate_bound_regions_with_erased(ty); if self.can_coerce(expected, ty) { - err.subdiagnostic( - self.dcx(), - errors::ExpectedReturnTypeLabel::Other { span: hir_ty.span, expected }, - ); + err.subdiagnostic(errors::ExpectedReturnTypeLabel::Other { + span: hir_ty.span, + expected, + }); self.try_suggest_return_impl_trait(err, expected, found, fn_id); self.note_caller_chooses_ty_for_ty_param(err, expected, found); return true; @@ -905,13 +890,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { found: Ty<'tcx>, ) { if let ty::Param(expected_ty_as_param) = expected.kind() { - diag.subdiagnostic( - self.dcx(), - errors::NoteCallerChoosesTyForTyParam { - ty_param_name: expected_ty_as_param.name, - found_ty: found, - }, - ); + diag.subdiagnostic(errors::NoteCallerChoosesTyForTyParam { + ty_param_name: expected_ty_as_param.name, + found_ty: found, + }); } } @@ -1136,7 +1118,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let sp = self.tcx.sess.source_map().start_point(expr.span).with_parent(None); if let Some(sp) = self.tcx.sess.psess.ambiguous_block_expr_parse.borrow().get(&sp) { // `{ 42 } &&x` (#61475) or `{ 42 } && if x { 1 } else { 0 }` - err.subdiagnostic(self.dcx(), ExprParenthesesNeeded::surrounding(*sp)); + err.subdiagnostic(ExprParenthesesNeeded::surrounding(*sp)); true } else { false @@ -1250,7 +1232,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } else { return false; }; - diag.subdiagnostic(self.dcx(), subdiag); + diag.subdiagnostic(subdiag); return true; } } diff --git a/compiler/rustc_hir_typeck/src/method/suggest.rs b/compiler/rustc_hir_typeck/src/method/suggest.rs index abbfe452f5f3..6a44d2afc15c 100644 --- a/compiler/rustc_hir_typeck/src/method/suggest.rs +++ b/compiler/rustc_hir_typeck/src/method/suggest.rs @@ -3729,22 +3729,19 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { if impls_trait(trait_info.def_id) { self.suggest_valid_traits(err, item_name, vec![trait_info.def_id], false); } else { - err.subdiagnostic( - self.dcx(), - CandidateTraitNote { - span: self.tcx.def_span(trait_info.def_id), - trait_name: self.tcx.def_path_str(trait_info.def_id), - item_name, - action_or_ty: if trait_missing_method { - "NONE".to_string() - } else { - param_type.map_or_else( - || "implement".to_string(), // FIXME: it might only need to be imported into scope, not implemented. - |p| p.to_string(), - ) - }, + err.subdiagnostic(CandidateTraitNote { + span: self.tcx.def_span(trait_info.def_id), + trait_name: self.tcx.def_path_str(trait_info.def_id), + item_name, + action_or_ty: if trait_missing_method { + "NONE".to_string() + } else { + param_type.map_or_else( + || "implement".to_string(), // FIXME: it might only need to be imported into scope, not implemented. + |p| p.to_string(), + ) }, - ); + }); } } trait_infos => { diff --git a/compiler/rustc_hir_typeck/src/op.rs b/compiler/rustc_hir_typeck/src/op.rs index d774ae2146aa..5a11cb7096f3 100644 --- a/compiler/rustc_hir_typeck/src/op.rs +++ b/compiler/rustc_hir_typeck/src/op.rs @@ -820,7 +820,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // If the previous expression was a block expression, suggest parentheses // (turning this into a binary subtraction operation instead.) // for example, `{2} - 2` -> `({2}) - 2` (see src\test\ui\parser\expr-as-stmt.rs) - err.subdiagnostic(self.dcx(), ExprParenthesesNeeded::surrounding(*sp)); + err.subdiagnostic(ExprParenthesesNeeded::surrounding(*sp)); } else { match actual.kind() { Uint(_) if op == hir::UnOp::Neg => { diff --git a/compiler/rustc_infer/src/infer/error_reporting/mod.rs b/compiler/rustc_infer/src/infer/error_reporting/mod.rs index 5966bae4cde5..227691d09943 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/mod.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/mod.rs @@ -892,7 +892,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { arm_ty, arm_span, ) { - err.subdiagnostic(self.dcx(), subdiag); + err.subdiagnostic(subdiag); } } }, @@ -918,7 +918,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { else_ty, else_span, ) { - err.subdiagnostic(self.dcx(), subdiag); + err.subdiagnostic(subdiag); } } ObligationCauseCode::LetElse => { diff --git a/compiler/rustc_infer/src/infer/error_reporting/note.rs b/compiler/rustc_infer/src/infer/error_reporting/note.rs index acb74f8a82ce..8fd19563c305 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/note.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/note.rs @@ -369,7 +369,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { trait_predicates: trait_predicates.join(", "), } }; - err.subdiagnostic(self.dcx(), suggestion); + err.subdiagnostic(suggestion); } pub(super) fn report_placeholder_failure( diff --git a/compiler/rustc_infer/src/infer/error_reporting/suggest.rs b/compiler/rustc_infer/src/infer/error_reporting/suggest.rs index 17fb760295ae..74c65e93616e 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/suggest.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/suggest.rs @@ -121,7 +121,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { span_low: cause.span.shrink_to_lo(), span_high: cause.span.shrink_to_hi(), }; - diag.subdiagnostic(self.dcx(), sugg); + diag.subdiagnostic(sugg); } _ => { // More than one matching variant. @@ -130,7 +130,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { cause_span: cause.span, compatible_variants, }; - diag.subdiagnostic(self.dcx(), sugg); + diag.subdiagnostic(sugg); } } } @@ -202,10 +202,9 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { }, (_, Some(ty)) if self.same_type_modulo_infer(exp_found.expected, ty) => { // FIXME: Seems like we can't have a suggestion and a note with different spans in a single subdiagnostic - diag.subdiagnostic( - self.dcx(), - ConsiderAddingAwait::FutureSugg { span: exp_span.shrink_to_hi() }, - ); + diag.subdiagnostic(ConsiderAddingAwait::FutureSugg { + span: exp_span.shrink_to_hi(), + }); Some(ConsiderAddingAwait::FutureSuggNote { span: exp_span }) } (Some(ty), _) if self.same_type_modulo_infer(ty, exp_found.found) => match cause.code() @@ -233,7 +232,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { _ => None, }; if let Some(subdiag) = subdiag { - diag.subdiagnostic(self.dcx(), subdiag); + diag.subdiagnostic(subdiag); } } @@ -269,7 +268,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { } else { return; }; - diag.subdiagnostic(self.dcx(), suggestion); + diag.subdiagnostic(suggestion); } } } @@ -401,15 +400,15 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { (true, false) => FunctionPointerSuggestion::UseRef { span, fn_name }, (false, true) => FunctionPointerSuggestion::RemoveRef { span, fn_name }, (true, true) => { - diag.subdiagnostic(self.dcx(), FnItemsAreDistinct); + diag.subdiagnostic(FnItemsAreDistinct); FunctionPointerSuggestion::CastRef { span, fn_name, sig: *sig } } (false, false) => { - diag.subdiagnostic(self.dcx(), FnItemsAreDistinct); + diag.subdiagnostic(FnItemsAreDistinct); FunctionPointerSuggestion::Cast { span, fn_name, sig: *sig } } }; - diag.subdiagnostic(self.dcx(), sugg); + diag.subdiagnostic(sugg); } (ty::FnDef(did1, args1), ty::FnDef(did2, args2)) => { let expected_sig = @@ -418,7 +417,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { &(self.normalize_fn_sig)(self.tcx.fn_sig(*did2).instantiate(self.tcx, args2)); if self.same_type_modulo_infer(*expected_sig, *found_sig) { - diag.subdiagnostic(self.dcx(), FnUniqTypes); + diag.subdiagnostic(FnUniqTypes); } if !self.same_type_modulo_infer(*found_sig, *expected_sig) @@ -447,7 +446,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { } }; - diag.subdiagnostic(self.dcx(), sug); + diag.subdiagnostic(sug); } (ty::FnDef(did, args), ty::FnPtr(sig)) => { let expected_sig = @@ -466,7 +465,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { format!("{fn_name} as {found_sig}") }; - diag.subdiagnostic(self.dcx(), FnConsiderCasting { casting }); + diag.subdiagnostic(FnConsiderCasting { casting }); } _ => { return; @@ -889,7 +888,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { let diag = self.consider_returning_binding_diag(blk, expected_ty); match diag { Some(diag) => { - err.subdiagnostic(self.dcx(), diag); + err.subdiagnostic(diag); true } None => false, diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index b46b6a7efa23..4ad31ccc280d 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -1405,7 +1405,7 @@ impl<'a> LintDiagnostic<'a, ()> for NonLocalDefinitionsDiag { diag.note(fluent::lint_macro_to_change); } if let Some(cargo_update) = cargo_update { - diag.subdiagnostic(diag.dcx, cargo_update); + diag.subdiagnostic(cargo_update); } if has_trait { @@ -1471,7 +1471,7 @@ impl<'a> LintDiagnostic<'a, ()> for NonLocalDefinitionsDiag { diag.note(fluent::lint_non_local_definitions_deprecation); if let Some(cargo_update) = cargo_update { - diag.subdiagnostic(diag.dcx, cargo_update); + diag.subdiagnostic(cargo_update); } } } @@ -1957,7 +1957,7 @@ impl<'a> LintDiagnostic<'a, ()> for UnusedDef<'_, '_> { diag.note(note.to_string()); } if let Some(sugg) = self.suggestion { - diag.subdiagnostic(diag.dcx, sugg); + diag.subdiagnostic(sugg); } } } diff --git a/compiler/rustc_macros/src/diagnostics/diagnostic_builder.rs b/compiler/rustc_macros/src/diagnostics/diagnostic_builder.rs index 38d4a5ee61ce..46bd80c2df64 100644 --- a/compiler/rustc_macros/src/diagnostics/diagnostic_builder.rs +++ b/compiler/rustc_macros/src/diagnostics/diagnostic_builder.rs @@ -335,7 +335,7 @@ impl DiagnosticDeriveVariantBuilder { } } (Meta::Path(_), "subdiagnostic") => { - return Ok(quote! { diag.subdiagnostic(diag.dcx, #binding); }); + return Ok(quote! { diag.subdiagnostic(#binding); }); } _ => (), } diff --git a/compiler/rustc_middle/src/middle/stability.rs b/compiler/rustc_middle/src/middle/stability.rs index 8cf1bedf0dae..d1ccd158cf93 100644 --- a/compiler/rustc_middle/src/middle/stability.rs +++ b/compiler/rustc_middle/src/middle/stability.rs @@ -176,7 +176,7 @@ impl<'a, G: EmissionGuarantee> rustc_errors::LintDiagnostic<'a, G> for Deprecate diag.arg("has_note", false); } if let Some(sub) = self.sub { - diag.subdiagnostic(diag.dcx, sub); + diag.subdiagnostic(sub); } } } diff --git a/compiler/rustc_mir_build/src/thir/pattern/check_match.rs b/compiler/rustc_mir_build/src/thir/pattern/check_match.rs index 30f57c8c622f..70065b5a2c32 100644 --- a/compiler/rustc_mir_build/src/thir/pattern/check_match.rs +++ b/compiler/rustc_mir_build/src/thir/pattern/check_match.rs @@ -1137,7 +1137,7 @@ fn report_non_exhaustive_match<'p, 'tcx>( let all_arms_have_guards = arms.iter().all(|arm_id| thir[*arm_id].guard.is_some()); if !is_empty_match && all_arms_have_guards { - err.subdiagnostic(cx.tcx.dcx(), NonExhaustiveMatchAllArmsGuarded); + err.subdiagnostic(NonExhaustiveMatchAllArmsGuarded); } if let Some((span, sugg)) = suggestion { err.span_suggestion_verbose(span, msg, sugg, Applicability::HasPlaceholders); diff --git a/compiler/rustc_mir_transform/src/errors.rs b/compiler/rustc_mir_transform/src/errors.rs index b28dcb38cb6b..dc7648d27b56 100644 --- a/compiler/rustc_mir_transform/src/errors.rs +++ b/compiler/rustc_mir_transform/src/errors.rs @@ -104,7 +104,7 @@ impl<'a> LintDiagnostic<'a, ()> for MustNotSupend<'_, '_> { diag.primary_message(fluent::mir_transform_must_not_suspend); diag.span_label(self.yield_sp, fluent::_subdiag::label); if let Some(reason) = self.reason { - diag.subdiagnostic(diag.dcx, reason); + diag.subdiagnostic(reason); } diag.span_help(self.src_sp, fluent::_subdiag::help); diag.arg("pre", self.pre); diff --git a/compiler/rustc_parse/src/parser/diagnostics.rs b/compiler/rustc_parse/src/parser/diagnostics.rs index 28832c0a6021..c1aac84bcaec 100644 --- a/compiler/rustc_parse/src/parser/diagnostics.rs +++ b/compiler/rustc_parse/src/parser/diagnostics.rs @@ -666,7 +666,7 @@ impl<'a> Parser<'a> { { err.note("you may be trying to write a c-string literal"); err.note("c-string literals require Rust 2021 or later"); - err.subdiagnostic(self.dcx(), HelpUseLatestEdition::new()); + err.subdiagnostic(HelpUseLatestEdition::new()); } // `pub` may be used for an item or `pub(crate)` @@ -2357,7 +2357,7 @@ impl<'a> Parser<'a> { let mut err = self.dcx().struct_span_err(span, msg); let sp = self.psess.source_map().start_point(self.token.span); if let Some(sp) = self.psess.ambiguous_block_expr_parse.borrow().get(&sp) { - err.subdiagnostic(self.dcx(), ExprParenthesesNeeded::surrounding(*sp)); + err.subdiagnostic(ExprParenthesesNeeded::surrounding(*sp)); } err.span_label(span, "expected expression"); diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs index 8916c5de63d7..5decfc142dac 100644 --- a/compiler/rustc_parse/src/parser/expr.rs +++ b/compiler/rustc_parse/src/parser/expr.rs @@ -1461,7 +1461,7 @@ impl<'a> Parser<'a> { // If the input is something like `if a { 1 } else { 2 } | if a { 3 } else { 4 }` // then suggest parens around the lhs. if let Some(sp) = this.psess.ambiguous_block_expr_parse.borrow().get(&lo) { - err.subdiagnostic(this.dcx(), ExprParenthesesNeeded::surrounding(*sp)); + err.subdiagnostic(ExprParenthesesNeeded::surrounding(*sp)); } err }) diff --git a/compiler/rustc_parse/src/parser/item.rs b/compiler/rustc_parse/src/parser/item.rs index 3d2eee247b87..42f8c6e38b92 100644 --- a/compiler/rustc_parse/src/parser/item.rs +++ b/compiler/rustc_parse/src/parser/item.rs @@ -1966,7 +1966,7 @@ impl<'a> Parser<'a> { if self.token.kind == token::Not { if let Err(mut err) = self.unexpected() { // Encounter the macro invocation - err.subdiagnostic(self.dcx(), MacroExpandsToAdtField { adt_ty }); + err.subdiagnostic(MacroExpandsToAdtField { adt_ty }); return Err(err); } } @@ -2382,13 +2382,10 @@ impl<'a> Parser<'a> { .into_iter() .any(|s| self.prev_token.is_ident_named(s)); - err.subdiagnostic( - self.dcx(), - errors::FnTraitMissingParen { - span: self.prev_token.span, - machine_applicable, - }, - ); + err.subdiagnostic(errors::FnTraitMissingParen { + span: self.prev_token.span, + machine_applicable, + }); } return Err(err); } diff --git a/compiler/rustc_parse/src/parser/pat.rs b/compiler/rustc_parse/src/parser/pat.rs index 8af415f7c9dd..f7f06ab7cbdd 100644 --- a/compiler/rustc_parse/src/parser/pat.rs +++ b/compiler/rustc_parse/src/parser/pat.rs @@ -851,7 +851,7 @@ impl<'a> Parser<'a> { let sp = self.psess.source_map().start_point(self.token.span); if let Some(sp) = self.psess.ambiguous_block_expr_parse.borrow().get(&sp) { - err.subdiagnostic(self.dcx(), ExprParenthesesNeeded::surrounding(*sp)); + err.subdiagnostic(ExprParenthesesNeeded::surrounding(*sp)); } Err(err) diff --git a/compiler/rustc_resolve/src/diagnostics.rs b/compiler/rustc_resolve/src/diagnostics.rs index 659a0f368fb8..263daa11ec31 100644 --- a/compiler/rustc_resolve/src/diagnostics.rs +++ b/compiler/rustc_resolve/src/diagnostics.rs @@ -334,12 +334,9 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { Some((import, _, true)) if should_remove_import && !import.is_glob() => { // Simple case - remove the entire import. Due to the above match arm, this can // only be a single use so just remove it entirely. - err.subdiagnostic( - self.tcx.dcx(), - errors::ToolOnlyRemoveUnnecessaryImport { - span: import.use_span_with_attributes, - }, - ); + err.subdiagnostic(errors::ToolOnlyRemoveUnnecessaryImport { + span: import.use_span_with_attributes, + }); } Some((import, span, _)) => { self.add_suggestion_for_rename_of_use(&mut err, name, import, span); @@ -405,12 +402,9 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { } if let Some(suggestion) = suggestion { - err.subdiagnostic( - self.dcx(), - ChangeImportBindingSuggestion { span: binding_span, suggestion }, - ); + err.subdiagnostic(ChangeImportBindingSuggestion { span: binding_span, suggestion }); } else { - err.subdiagnostic(self.dcx(), ChangeImportBinding { span: binding_span }); + err.subdiagnostic(ChangeImportBinding { span: binding_span }); } } @@ -458,20 +452,19 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { // previous imports. if found_closing_brace { if let Some(span) = extend_span_to_previous_binding(self.tcx.sess, span) { - err.subdiagnostic(self.dcx(), errors::ToolOnlyRemoveUnnecessaryImport { span }); + err.subdiagnostic(errors::ToolOnlyRemoveUnnecessaryImport { span }); } else { // Remove the entire line if we cannot extend the span back, this indicates an // `issue_52891::{self}` case. - err.subdiagnostic( - self.dcx(), - errors::RemoveUnnecessaryImport { span: import.use_span_with_attributes }, - ); + err.subdiagnostic(errors::RemoveUnnecessaryImport { + span: import.use_span_with_attributes, + }); } return; } - err.subdiagnostic(self.dcx(), errors::RemoveUnnecessaryImport { span }); + err.subdiagnostic(errors::RemoveUnnecessaryImport { span }); } pub(crate) fn lint_if_path_starts_with_module( @@ -682,10 +675,10 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { .dcx() .create_err(errors::VariableIsNotBoundInAllPatterns { multispan: msp, name }); for sp in target_sp { - err.subdiagnostic(self.dcx(), errors::PatternDoesntBindName { span: sp, name }); + err.subdiagnostic(errors::PatternDoesntBindName { span: sp, name }); } for sp in origin_sp { - err.subdiagnostic(self.dcx(), errors::VariableNotInAllPatterns { span: sp }); + err.subdiagnostic(errors::VariableNotInAllPatterns { span: sp }); } if could_be_path { let import_suggestions = self.lookup_import_candidates( @@ -1446,12 +1439,12 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { ); if macro_kind == MacroKind::Bang && ident.name == sym::macro_rules { - err.subdiagnostic(self.dcx(), MaybeMissingMacroRulesName { span: ident.span }); + err.subdiagnostic(MaybeMissingMacroRulesName { span: ident.span }); return; } if macro_kind == MacroKind::Derive && (ident.name == sym::Send || ident.name == sym::Sync) { - err.subdiagnostic(self.dcx(), ExplicitUnsafeTraits { span: ident.span, ident }); + err.subdiagnostic(ExplicitUnsafeTraits { span: ident.span, ident }); return; } @@ -1467,14 +1460,14 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { let scope = self.local_macro_def_scopes[&def_id]; let parent_nearest = parent_scope.module.nearest_parent_mod(); if Some(parent_nearest) == scope.opt_def_id() { - err.subdiagnostic(self.dcx(), MacroDefinedLater { span: unused_ident.span }); - err.subdiagnostic(self.dcx(), MacroSuggMovePosition { span: ident.span, ident }); + err.subdiagnostic(MacroDefinedLater { span: unused_ident.span }); + err.subdiagnostic(MacroSuggMovePosition { span: ident.span, ident }); return; } } if self.macro_names.contains(&ident.normalize_to_macros_2_0()) { - err.subdiagnostic(self.dcx(), AddedMacroUse); + err.subdiagnostic(AddedMacroUse); return; } @@ -1484,13 +1477,10 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { let span = self.def_span(def_id); let source_map = self.tcx.sess.source_map(); let head_span = source_map.guess_head_span(span); - err.subdiagnostic( - self.dcx(), - ConsiderAddingADerive { - span: head_span.shrink_to_lo(), - suggestion: "#[derive(Default)]\n".to_string(), - }, - ); + err.subdiagnostic(ConsiderAddingADerive { + span: head_span.shrink_to_lo(), + suggestion: "#[derive(Default)]\n".to_string(), + }); } for ns in [Namespace::MacroNS, Namespace::TypeNS, Namespace::ValueNS] { if let Ok(binding) = self.early_resolve_ident_in_lexical_scope( @@ -1533,7 +1523,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { imported_ident: ident, imported_ident_desc: &desc, }; - err.subdiagnostic(self.tcx.dcx(), note); + err.subdiagnostic(note); // Silence the 'unused import' warning we might get, // since this diagnostic already covers that import. self.record_use(ident, binding, Used::Other); @@ -1544,7 +1534,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { imported_ident: ident, imported_ident_desc: &desc, }; - err.subdiagnostic(self.tcx.dcx(), note); + err.subdiagnostic(note); return; } } @@ -1599,7 +1589,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { } }; did_label_def_span = true; - err.subdiagnostic(self.tcx.dcx(), label); + err.subdiagnostic(label); } let (span, msg, sugg) = if let SuggestionTarget::SimilarlyNamed = suggestion.target @@ -1790,7 +1780,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { outer_ident_descr: this_res.descr(), outer_ident, }; - err.subdiagnostic(self.tcx.dcx(), label); + err.subdiagnostic(label); } } @@ -1805,14 +1795,14 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { non_exhaustive = Some(attr.span); } else if let Some(span) = ctor_fields_span { let label = errors::ConstructorPrivateIfAnyFieldPrivate { span }; - err.subdiagnostic(self.tcx.dcx(), label); + err.subdiagnostic(label); if let Res::Def(_, d) = res && let Some(fields) = self.field_visibility_spans.get(&d) { let spans = fields.iter().map(|span| *span).collect(); let sugg = errors::ConsiderMakingTheFieldPublic { spans, number_of_fields: fields.len() }; - err.subdiagnostic(self.tcx.dcx(), sugg); + err.subdiagnostic(sugg); } } @@ -1921,7 +1911,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { first, dots: next_binding.is_some(), }; - err.subdiagnostic(self.tcx.dcx(), note); + err.subdiagnostic(note); } // We prioritize shorter paths, non-core imports and direct imports over the alternatives. sugg_paths.sort_by_key(|(p, reexport)| (p.len(), p[0] == "core", *reexport)); @@ -1940,7 +1930,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { } else { errors::ImportIdent::Directly { span: dedup_span, ident, path } }; - err.subdiagnostic(self.tcx.dcx(), sugg); + err.subdiagnostic(sugg); break; } @@ -2521,14 +2511,14 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { } let note = errors::FoundItemConfigureOut { span: name.span }; - err.subdiagnostic(self.tcx.dcx(), note); + err.subdiagnostic(note); if let MetaItemKind::List(nested) = &cfg.kind && let NestedMetaItem::MetaItem(meta_item) = &nested[0] && let MetaItemKind::NameValue(feature_name) = &meta_item.kind { let note = errors::ItemWasBehindFeature { feature: feature_name.symbol }; - err.subdiagnostic(self.tcx.dcx(), note); + err.subdiagnostic(note); } } } diff --git a/compiler/rustc_resolve/src/imports.rs b/compiler/rustc_resolve/src/imports.rs index 6c7afb305ba3..96a4647b9428 100644 --- a/compiler/rustc_resolve/src/imports.rs +++ b/compiler/rustc_resolve/src/imports.rs @@ -1294,12 +1294,12 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { // exclude decl_macro if self.get_macro_by_def_id(def_id).macro_rules => { - err.subdiagnostic(self.dcx(), ConsiderAddingMacroExport { + err.subdiagnostic( ConsiderAddingMacroExport { span: binding.span, }); } _ => { - err.subdiagnostic(self.dcx(), ConsiderMarkingAsPub { + err.subdiagnostic( ConsiderMarkingAsPub { span: import.span, ident, }); diff --git a/compiler/rustc_resolve/src/late/diagnostics.rs b/compiler/rustc_resolve/src/late/diagnostics.rs index 75a1aff4fc51..764cc350182a 100644 --- a/compiler/rustc_resolve/src/late/diagnostics.rs +++ b/compiler/rustc_resolve/src/late/diagnostics.rs @@ -1109,14 +1109,11 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { Side::Start => (segment.ident.span.between(range.span), " @ ".into()), Side::End => (range.span.to(segment.ident.span), format!("{} @ ..", segment.ident)), }; - err.subdiagnostic( - self.r.dcx(), - errors::UnexpectedResUseAtOpInSlicePatWithRangeSugg { - span, - ident: segment.ident, - snippet, - }, - ); + err.subdiagnostic(errors::UnexpectedResUseAtOpInSlicePatWithRangeSugg { + span, + ident: segment.ident, + snippet, + }); } enum Side { @@ -1208,13 +1205,10 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { }); if let Some(param) = param { - err.subdiagnostic( - self.r.dcx(), - errors::UnexpectedResChangeTyToConstParamSugg { - span: param.shrink_to_lo(), - applicability, - }, - ); + err.subdiagnostic(errors::UnexpectedResChangeTyToConstParamSugg { + span: param.shrink_to_lo(), + applicability, + }); } } diff --git a/compiler/rustc_session/src/parse.rs b/compiler/rustc_session/src/parse.rs index a238d6e6ac45..200505aaea20 100644 --- a/compiler/rustc_session/src/parse.rs +++ b/compiler/rustc_session/src/parse.rs @@ -178,23 +178,23 @@ pub fn add_feature_diagnostics_for_issue( inject_span: Option, ) { if let Some(n) = find_feature_issue(feature, issue) { - err.subdiagnostic(sess.dcx(), FeatureDiagnosticForIssue { n }); + err.subdiagnostic(FeatureDiagnosticForIssue { n }); } // #23973: do not suggest `#![feature(...)]` if we are in beta/stable if sess.psess.unstable_features.is_nightly_build() { if feature_from_cli { - err.subdiagnostic(sess.dcx(), CliFeatureDiagnosticHelp { feature }); + err.subdiagnostic(CliFeatureDiagnosticHelp { feature }); } else if let Some(span) = inject_span { - err.subdiagnostic(sess.dcx(), FeatureDiagnosticSuggestion { feature, span }); + err.subdiagnostic(FeatureDiagnosticSuggestion { feature, span }); } else { - err.subdiagnostic(sess.dcx(), FeatureDiagnosticHelp { feature }); + err.subdiagnostic(FeatureDiagnosticHelp { feature }); } if sess.opts.unstable_opts.ui_testing { - err.subdiagnostic(sess.dcx(), SuggestUpgradeCompiler::ui_testing()); + err.subdiagnostic(SuggestUpgradeCompiler::ui_testing()); } else if let Some(suggestion) = SuggestUpgradeCompiler::new() { - err.subdiagnostic(sess.dcx(), suggestion); + err.subdiagnostic(suggestion); } } } diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs index f632f1ad4f26..038f11c60b80 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs @@ -4705,14 +4705,11 @@ fn hint_missing_borrow<'tcx>( } if !to_borrow.is_empty() { - err.subdiagnostic(infcx.dcx(), errors::AdjustSignatureBorrow::Borrow { to_borrow }); + err.subdiagnostic(errors::AdjustSignatureBorrow::Borrow { to_borrow }); } if !remove_borrow.is_empty() { - err.subdiagnostic( - infcx.dcx(), - errors::AdjustSignatureBorrow::RemoveBorrow { remove_borrow }, - ); + err.subdiagnostic(errors::AdjustSignatureBorrow::RemoveBorrow { remove_borrow }); } } diff --git a/src/tools/miri/src/diagnostics.rs b/src/tools/miri/src/diagnostics.rs index 14e29aa423d8..12fb76f39724 100644 --- a/src/tools/miri/src/diagnostics.rs +++ b/src/tools/miri/src/diagnostics.rs @@ -566,7 +566,7 @@ pub fn report_msg<'tcx>( let is_local = machine.is_local(frame_info); // No span for non-local frames and the first frame (which is the error site). if is_local && idx > 0 { - err.subdiagnostic(err.dcx, frame_info.as_note(machine.tcx)); + err.subdiagnostic(frame_info.as_note(machine.tcx)); } else { let sm = sess.source_map(); let span = sm.span_to_embeddable_string(frame_info.span); From 78998f3fea3aba636e50aa0a6abcafa51d66eff7 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Mon, 17 Jun 2024 16:11:14 -0400 Subject: [PATCH 1679/1716] rewrite allocator-shim-circular-deps to ui test --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - .../allocator-shim-circular-deps/Makefile | 12 ------------ .../allocator-shim-circular-deps/rmake.rs | 16 ++++++++++++++++ tests/run-make/separate-link/rmake.rs | 2 +- 4 files changed, 17 insertions(+), 14 deletions(-) delete mode 100644 tests/run-make/allocator-shim-circular-deps/Makefile create mode 100644 tests/run-make/allocator-shim-circular-deps/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 8f1d36bb26d8..39a567b13a4f 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -1,4 +1,3 @@ -run-make/allocator-shim-circular-deps/Makefile run-make/archive-duplicate-names/Makefile run-make/atomic-lock-free/Makefile run-make/branch-protection-check-IBT/Makefile diff --git a/tests/run-make/allocator-shim-circular-deps/Makefile b/tests/run-make/allocator-shim-circular-deps/Makefile deleted file mode 100644 index f667e2e2ec29..000000000000 --- a/tests/run-make/allocator-shim-circular-deps/Makefile +++ /dev/null @@ -1,12 +0,0 @@ -# This test is designed to intentionally introduce a circular dependency scenario to check that a specific compiler bug doesn't make a resurgence. -# The bug in question arose when at least one crate required a global allocator, and that crate was placed after the one defining it in the linker order. -# The generated symbols.o should not result in any linker errors. -# See https://github.com/rust-lang/rust/issues/112715 - -# ignore-cross-compile -include ../tools.mk - -all: - rm -rf $(TMPDIR) && mkdir $(TMPDIR) - $(RUSTC) my_lib.rs - $(RUSTC) main.rs --test --extern my_lib=$(TMPDIR)/libmy_lib.rlib diff --git a/tests/run-make/allocator-shim-circular-deps/rmake.rs b/tests/run-make/allocator-shim-circular-deps/rmake.rs new file mode 100644 index 000000000000..7d6b0bd204a1 --- /dev/null +++ b/tests/run-make/allocator-shim-circular-deps/rmake.rs @@ -0,0 +1,16 @@ +// This test is designed to intentionally introduce a circular dependency scenario to check +// that a specific compiler bug doesn't make a resurgence. +// The bug in question arose when at least one crate +// required a global allocator, and that crate was placed after +// the one defining it in the linker order. +// The generated symbols.o should not result in any linker errors. +// See https://github.com/rust-lang/rust/issues/112715 + +//@ ignore-cross-compile + +use run_make_support::{rust_lib_name, rustc}; + +fn main() { + rustc().input("my_lib.rs").run(); + rustc().input("main.rs").arg("--test").extern_("my_lib", rust_lib_name("my_lib")).run(); +} diff --git a/tests/run-make/separate-link/rmake.rs b/tests/run-make/separate-link/rmake.rs index e063a1e5ab7b..e91b25489bc5 100644 --- a/tests/run-make/separate-link/rmake.rs +++ b/tests/run-make/separate-link/rmake.rs @@ -1,5 +1,5 @@ // The compiler flags no-link (and by extension, link-only) used to be broken -// due to changes in encoding/decoding. This was patched, and this test ensures +// due to changes in encoding/decoding. This was patched, and this test checks // that these flags are not broken again, resulting in successful compilation. // See https://github.com/rust-lang/rust/issues/77857 From 83cb760e2c2b9fa3f0bb90ad2941f4cbceba2255 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Thu, 30 May 2024 16:20:49 -0400 Subject: [PATCH 1680/1716] run_make_support nm implementation + bin-emit-no-symbols rmake rewrite --- library/backtrace | 2 +- src/doc/book | 2 +- src/doc/edition-guide | 2 +- src/doc/reference | 2 +- src/doc/rust-by-example | 2 +- src/doc/rustc-dev-guide | 2 +- src/tools/cargo | 2 +- src/tools/run-make-support/src/nm/mod.rs | 48 +++++++++++++++++++ .../tidy/src/allowed_run_make_makefiles.txt | 1 - .../app.rs | 0 tests/run-make/bin-emit-no-symbols/rmake.rs | 19 ++++++++ tests/run-make/issue-51671/Makefile | 9 ---- 12 files changed, 74 insertions(+), 17 deletions(-) create mode 100644 src/tools/run-make-support/src/nm/mod.rs rename tests/run-make/{issue-51671 => bin-emit-no-symbols}/app.rs (100%) create mode 100644 tests/run-make/bin-emit-no-symbols/rmake.rs delete mode 100644 tests/run-make/issue-51671/Makefile diff --git a/library/backtrace b/library/backtrace index 72265bea2108..5e05efa87905 160000 --- a/library/backtrace +++ b/library/backtrace @@ -1 +1 @@ -Subproject commit 72265bea210891ae47bbe6d4f17b493ef0606619 +Subproject commit 5e05efa87905fb5b351a2bc5644d60c57d6d9327 diff --git a/src/doc/book b/src/doc/book index 45c1a6d69edf..5e9051f71638 160000 --- a/src/doc/book +++ b/src/doc/book @@ -1 +1 @@ -Subproject commit 45c1a6d69edfd1fc91fb7504cb73958dbd09441e +Subproject commit 5e9051f71638aa941cd5dda465e25c61cde9594f diff --git a/src/doc/edition-guide b/src/doc/edition-guide index cb58c430b4e8..bbaabbe088e2 160000 --- a/src/doc/edition-guide +++ b/src/doc/edition-guide @@ -1 +1 @@ -Subproject commit cb58c430b4e8054c2cb81d2d4434092c482a93d8 +Subproject commit bbaabbe088e21a81a0d9ae6757705020d5d7b416 diff --git a/src/doc/reference b/src/doc/reference index 0b805c658040..6019b76f5b28 160000 --- a/src/doc/reference +++ b/src/doc/reference @@ -1 +1 @@ -Subproject commit 0b805c65804019b0ac8f2fe3117afad82a6069b8 +Subproject commit 6019b76f5b28938565b251bbba0bf5cc5c43d863 diff --git a/src/doc/rust-by-example b/src/doc/rust-by-example index b1d97bd6113a..4840dca06cad 160000 --- a/src/doc/rust-by-example +++ b/src/doc/rust-by-example @@ -1 +1 @@ -Subproject commit b1d97bd6113aba732b2091ce093c76f2d05bb8a0 +Subproject commit 4840dca06cadf48b305d3ce0aeafde7f80933f80 diff --git a/src/doc/rustc-dev-guide b/src/doc/rustc-dev-guide index aec82168dd31..6a7374bd87cb 160000 --- a/src/doc/rustc-dev-guide +++ b/src/doc/rustc-dev-guide @@ -1 +1 @@ -Subproject commit aec82168dd3121289a194b381f56076fc789a4d2 +Subproject commit 6a7374bd87cbac0f8be4fd4877d8186d9c313985 diff --git a/src/tools/cargo b/src/tools/cargo index a1f47ec3f7cd..431db31d0dbe 160000 --- a/src/tools/cargo +++ b/src/tools/cargo @@ -1 +1 @@ -Subproject commit a1f47ec3f7cd076986f1bfcd7061f2e8cb1a726e +Subproject commit 431db31d0dbeda320caf8ef8535ea48eb3093407 diff --git a/src/tools/run-make-support/src/nm/mod.rs b/src/tools/run-make-support/src/nm/mod.rs new file mode 100644 index 000000000000..c304877eba19 --- /dev/null +++ b/src/tools/run-make-support/src/nm/mod.rs @@ -0,0 +1,48 @@ +use crate::{fs_wrapper, object}; +use object::{Object, ObjectSection}; +use std::path::Path; + +#[derive(Debug)] +pub struct Nm { + file: Option, +} + +pub fn nm() -> Nm { + Nm::new() +} + +impl Nm { + /// Construct a bare `nm` invocation. + pub fn new() -> Self { + Self { file: None } + } + + /// Specify the file to analyze the symbols of. + pub fn input>(&mut self, path: P) -> &mut Self { + &mut Self { + file: Some( + object::File::parse(fs_wrapper::read(path)) + .expect(format!("Failed to parse ELF file at {:?}", path.as_ref().display())), + ), + } + } + + /// Collect all symbols of an object file into a String. + pub fn collect_symbols(&self) -> String { + let object_file = self.file; + let mut symbols_str = String::new(); + for section in object_file.sections() { + if let Ok(ObjectSection::SymbolTable(st)) = section.parse::() { + for symbol in st.symbols() { + symbols_str.push_str(&format!( + "{:016x} {:?} {}\n", + symbol.address(), + symbol.kind(), + symbol.name() + )); + } + } + } + symbols_str + } +} diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 1596257747fa..98438e8004dc 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -84,7 +84,6 @@ run-make/issue-37839/Makefile run-make/issue-40535/Makefile run-make/issue-47384/Makefile run-make/issue-47551/Makefile -run-make/issue-51671/Makefile run-make/issue-68794-textrel-on-minimal-lib/Makefile run-make/issue-69368/Makefile run-make/issue-83045/Makefile diff --git a/tests/run-make/issue-51671/app.rs b/tests/run-make/bin-emit-no-symbols/app.rs similarity index 100% rename from tests/run-make/issue-51671/app.rs rename to tests/run-make/bin-emit-no-symbols/app.rs diff --git a/tests/run-make/bin-emit-no-symbols/rmake.rs b/tests/run-make/bin-emit-no-symbols/rmake.rs new file mode 100644 index 000000000000..6d6d6b329674 --- /dev/null +++ b/tests/run-make/bin-emit-no-symbols/rmake.rs @@ -0,0 +1,19 @@ +// When setting the crate type as a "bin" (in app.rs), +// this could cause a bug where some symbols would not be +// emitted in the object files. This has been fixed, and +// this test checks that the correct symbols have been successfully +// emitted inside the object files. +// See https://github.com/rust-lang/rust/issues/51671 + +use run_make_support::{nm, rustc, tmp_dir}; + +fn main() { + rustc().emit("obj").input("app.rs").run(); + //FIXME(Oneirical): This should eventually be rmake_out_path + let nm = nm(tmp_dir().join("app.o")); + assert!( + nm.contains("rust_begin_unwind") + && nm.contains("rust_eh_personality") + && nm.contains("__rg_oom") + ); +} diff --git a/tests/run-make/issue-51671/Makefile b/tests/run-make/issue-51671/Makefile deleted file mode 100644 index c93645369928..000000000000 --- a/tests/run-make/issue-51671/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -include ../tools.mk - -# ignore-windows-msvc - -all: - $(RUSTC) --emit=obj app.rs - nm $(TMPDIR)/app.o | $(CGREP) rust_begin_unwind - nm $(TMPDIR)/app.o | $(CGREP) rust_eh_personality - nm $(TMPDIR)/app.o | $(CGREP) __rg_oom From c1597f90396c0cf38b196b584be49a17e6e881a6 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Wed, 5 Jun 2024 16:29:42 -0400 Subject: [PATCH 1681/1716] try implementing suggestions --- library/backtrace | 2 +- src/doc/book | 2 +- src/doc/edition-guide | 2 +- src/doc/reference | 2 +- src/doc/rust-by-example | 2 +- src/doc/rustc-dev-guide | 2 +- src/tools/cargo | 2 +- src/tools/run-make-support/src/nm/mod.rs | 8 +++++--- 8 files changed, 12 insertions(+), 10 deletions(-) diff --git a/library/backtrace b/library/backtrace index 5e05efa87905..72265bea2108 160000 --- a/library/backtrace +++ b/library/backtrace @@ -1 +1 @@ -Subproject commit 5e05efa87905fb5b351a2bc5644d60c57d6d9327 +Subproject commit 72265bea210891ae47bbe6d4f17b493ef0606619 diff --git a/src/doc/book b/src/doc/book index 5e9051f71638..45c1a6d69edf 160000 --- a/src/doc/book +++ b/src/doc/book @@ -1 +1 @@ -Subproject commit 5e9051f71638aa941cd5dda465e25c61cde9594f +Subproject commit 45c1a6d69edfd1fc91fb7504cb73958dbd09441e diff --git a/src/doc/edition-guide b/src/doc/edition-guide index bbaabbe088e2..cb58c430b4e8 160000 --- a/src/doc/edition-guide +++ b/src/doc/edition-guide @@ -1 +1 @@ -Subproject commit bbaabbe088e21a81a0d9ae6757705020d5d7b416 +Subproject commit cb58c430b4e8054c2cb81d2d4434092c482a93d8 diff --git a/src/doc/reference b/src/doc/reference index 6019b76f5b28..0b805c658040 160000 --- a/src/doc/reference +++ b/src/doc/reference @@ -1 +1 @@ -Subproject commit 6019b76f5b28938565b251bbba0bf5cc5c43d863 +Subproject commit 0b805c65804019b0ac8f2fe3117afad82a6069b8 diff --git a/src/doc/rust-by-example b/src/doc/rust-by-example index 4840dca06cad..b1d97bd6113a 160000 --- a/src/doc/rust-by-example +++ b/src/doc/rust-by-example @@ -1 +1 @@ -Subproject commit 4840dca06cadf48b305d3ce0aeafde7f80933f80 +Subproject commit b1d97bd6113aba732b2091ce093c76f2d05bb8a0 diff --git a/src/doc/rustc-dev-guide b/src/doc/rustc-dev-guide index 6a7374bd87cb..aec82168dd31 160000 --- a/src/doc/rustc-dev-guide +++ b/src/doc/rustc-dev-guide @@ -1 +1 @@ -Subproject commit 6a7374bd87cbac0f8be4fd4877d8186d9c313985 +Subproject commit aec82168dd3121289a194b381f56076fc789a4d2 diff --git a/src/tools/cargo b/src/tools/cargo index 431db31d0dbe..a1f47ec3f7cd 160000 --- a/src/tools/cargo +++ b/src/tools/cargo @@ -1 +1 @@ -Subproject commit 431db31d0dbeda320caf8ef8535ea48eb3093407 +Subproject commit a1f47ec3f7cd076986f1bfcd7061f2e8cb1a726e diff --git a/src/tools/run-make-support/src/nm/mod.rs b/src/tools/run-make-support/src/nm/mod.rs index c304877eba19..1f41792921d6 100644 --- a/src/tools/run-make-support/src/nm/mod.rs +++ b/src/tools/run-make-support/src/nm/mod.rs @@ -3,8 +3,8 @@ use object::{Object, ObjectSection}; use std::path::Path; #[derive(Debug)] -pub struct Nm { - file: Option, +pub struct Nm<'a> { + file: Option>, } pub fn nm() -> Nm { @@ -32,7 +32,9 @@ impl Nm { let object_file = self.file; let mut symbols_str = String::new(); for section in object_file.sections() { - if let Ok(ObjectSection::SymbolTable(st)) = section.parse::() { + if let Ok(object::read::elf::SymbolTable(st)) = + section.parse::>() + { for symbol in st.symbols() { symbols_str.push_str(&format!( "{:016x} {:?} {}\n", From 977d3f6f96728b6cd68bb4c36f34fcb659989dcc Mon Sep 17 00:00:00 2001 From: Oneirical Date: Tue, 18 Jun 2024 14:57:00 -0400 Subject: [PATCH 1682/1716] use llvm_readobj in run-make test instead of nm --- src/tools/run-make-support/src/llvm.rs | 28 +++++++++--- src/tools/run-make-support/src/nm/mod.rs | 50 --------------------- tests/run-make/bin-emit-no-symbols/rmake.rs | 13 +++--- 3 files changed, 28 insertions(+), 63 deletions(-) delete mode 100644 src/tools/run-make-support/src/nm/mod.rs diff --git a/src/tools/run-make-support/src/llvm.rs b/src/tools/run-make-support/src/llvm.rs index fe4131819bae..99bce08fc238 100644 --- a/src/tools/run-make-support/src/llvm.rs +++ b/src/tools/run-make-support/src/llvm.rs @@ -2,8 +2,8 @@ use std::path::{Path, PathBuf}; use crate::{env_var, Command}; -/// Construct a new `llvm-readobj` invocation. This assumes that `llvm-readobj` is available -/// at `$LLVM_BIN_DIR/llvm-readobj`. +/// Construct a new `llvm-readobj` invocation with the `GNU` output style. +/// This assumes that `llvm-readobj` is available at `$LLVM_BIN_DIR/llvm-readobj`. #[track_caller] pub fn llvm_readobj() -> LlvmReadobj { LlvmReadobj::new() @@ -70,13 +70,24 @@ pub fn llvm_bin_dir() -> PathBuf { } impl LlvmReadobj { - /// Construct a new `llvm-readobj` invocation. This assumes that `llvm-readobj` is available - /// at `$LLVM_BIN_DIR/llvm-readobj`. + /// Construct a new `llvm-readobj` invocation with the `GNU` output style. + /// This assumes that `llvm-readobj` is available at `$LLVM_BIN_DIR/llvm-readobj`. #[track_caller] pub fn new() -> Self { let llvm_readobj = llvm_bin_dir().join("llvm-readobj"); let cmd = Command::new(llvm_readobj); - Self { cmd } + let mut readobj = Self { cmd }; + readobj.elf_output_style("GNU"); + readobj + } + + /// Specify the format of the ELF information. + /// + /// Valid options are `LLVM` (default), `GNU`, and `JSON`. + pub fn elf_output_style(&mut self, style: &str) -> &mut Self { + self.cmd.arg("--elf-output-style"); + self.cmd.arg(style); + self } /// Provide an input file. @@ -90,6 +101,13 @@ impl LlvmReadobj { self.cmd.arg("--file-header"); self } + + /// Specify the section to display. + pub fn section(&mut self, section: &str) -> &mut Self { + self.cmd.arg("--string-dump"); + self.cmd.arg(section); + self + } } impl LlvmProfdata { diff --git a/src/tools/run-make-support/src/nm/mod.rs b/src/tools/run-make-support/src/nm/mod.rs deleted file mode 100644 index 1f41792921d6..000000000000 --- a/src/tools/run-make-support/src/nm/mod.rs +++ /dev/null @@ -1,50 +0,0 @@ -use crate::{fs_wrapper, object}; -use object::{Object, ObjectSection}; -use std::path::Path; - -#[derive(Debug)] -pub struct Nm<'a> { - file: Option>, -} - -pub fn nm() -> Nm { - Nm::new() -} - -impl Nm { - /// Construct a bare `nm` invocation. - pub fn new() -> Self { - Self { file: None } - } - - /// Specify the file to analyze the symbols of. - pub fn input>(&mut self, path: P) -> &mut Self { - &mut Self { - file: Some( - object::File::parse(fs_wrapper::read(path)) - .expect(format!("Failed to parse ELF file at {:?}", path.as_ref().display())), - ), - } - } - - /// Collect all symbols of an object file into a String. - pub fn collect_symbols(&self) -> String { - let object_file = self.file; - let mut symbols_str = String::new(); - for section in object_file.sections() { - if let Ok(object::read::elf::SymbolTable(st)) = - section.parse::>() - { - for symbol in st.symbols() { - symbols_str.push_str(&format!( - "{:016x} {:?} {}\n", - symbol.address(), - symbol.kind(), - symbol.name() - )); - } - } - } - symbols_str - } -} diff --git a/tests/run-make/bin-emit-no-symbols/rmake.rs b/tests/run-make/bin-emit-no-symbols/rmake.rs index 6d6d6b329674..5586e53c0508 100644 --- a/tests/run-make/bin-emit-no-symbols/rmake.rs +++ b/tests/run-make/bin-emit-no-symbols/rmake.rs @@ -5,15 +5,12 @@ // emitted inside the object files. // See https://github.com/rust-lang/rust/issues/51671 -use run_make_support::{nm, rustc, tmp_dir}; +use run_make_support::{llvm_readobj, rustc}; fn main() { rustc().emit("obj").input("app.rs").run(); - //FIXME(Oneirical): This should eventually be rmake_out_path - let nm = nm(tmp_dir().join("app.o")); - assert!( - nm.contains("rust_begin_unwind") - && nm.contains("rust_eh_personality") - && nm.contains("__rg_oom") - ); + let out = llvm_readobj().input("app.o").arg("--symbols").run(); + out.assert_stdout_contains("rust_begin_unwind"); + out.assert_stdout_contains("rust_eh_personality"); + out.assert_stdout_contains("__rg_oom"); } From bfe6a26af6669485b4661877583ebe3d22cd0317 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E8=AE=B8=E6=9D=B0=E5=8F=8B=20Jieyou=20Xu=20=28Joe=29?= Date: Tue, 18 Jun 2024 21:05:25 +0000 Subject: [PATCH 1683/1716] hir_typeck: be more conservative in making "note caller chooses ty param" note - Avoid "caller chooses ty for type param" note if the found type a.k.a. the return expression type *contains* the type parameter, because e.g. `&T` will always be different from `T` (i.e. "well duh"). - Rename `note_caller_chooses_ty_for_ty_param` to `try_note_caller_chooses_ty_for_ty_param` because the note is not always made. Issue: https://github.com/rust-lang/rust/issues/126547 --- .../src/fn_ctxt/suggestions.rs | 32 +++++++++++++------ 1 file changed, 22 insertions(+), 10 deletions(-) diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs index 337a92c0d012..9dd82868adc5 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs @@ -859,10 +859,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } else { // Only point to return type if the expected type is the return type, as if they // are not, the expectation must have been caused by something else. - debug!("return type {:?}", hir_ty); + debug!(?hir_ty, "return type"); let ty = self.lowerer().lower_ty(hir_ty); - debug!("return type {:?}", ty); - debug!("expected type {:?}", expected); + debug!(?ty, "return type (lowered)"); + debug!(?expected, "expected type"); let bound_vars = self.tcx.late_bound_vars(hir_ty.hir_id.owner.into()); let ty = Binder::bind_with_vars(ty, bound_vars); let ty = self.normalize(hir_ty.span, ty); @@ -873,7 +873,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { expected, }); self.try_suggest_return_impl_trait(err, expected, found, fn_id); - self.note_caller_chooses_ty_for_ty_param(err, expected, found); + self.try_note_caller_chooses_ty_for_ty_param(err, expected, found); return true; } } @@ -883,18 +883,30 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { false } - fn note_caller_chooses_ty_for_ty_param( + fn try_note_caller_chooses_ty_for_ty_param( &self, diag: &mut Diag<'_>, expected: Ty<'tcx>, found: Ty<'tcx>, ) { - if let ty::Param(expected_ty_as_param) = expected.kind() { - diag.subdiagnostic(errors::NoteCallerChoosesTyForTyParam { - ty_param_name: expected_ty_as_param.name, - found_ty: found, - }); + // Only show the note if: + // 1. `expected` ty is a type parameter; + // 2. The `expected` type parameter does *not* occur in the return expression type. This can + // happen for e.g. `fn foo(t: &T) -> T { t }`, where `expected` is `T` but `found` is + // `&T`. Saying "the caller chooses a type for `T` which can be different from `&T`" is + // "well duh" and is only confusing and not helpful. + let ty::Param(expected_ty_as_param) = expected.kind() else { + return; + }; + + if found.contains(expected) { + return; } + + diag.subdiagnostic(errors::NoteCallerChoosesTyForTyParam { + ty_param_name: expected_ty_as_param.name, + found_ty: found, + }); } /// check whether the return type is a generic type with a trait bound From 939026c8fba0d6b9edc2e2cdfbbf6dd6fb575662 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E8=AE=B8=E6=9D=B0=E5=8F=8B=20Jieyou=20Xu=20=28Joe=29?= Date: Sun, 16 Jun 2024 17:57:01 +0000 Subject: [PATCH 1684/1716] tests: update tests for more conservative return ty mismatch note --- tests/ui/return/return-ty-mismatch-note.rs | 11 +++++++++- .../ui/return/return-ty-mismatch-note.stderr | 21 +++++++++++++++---- ...n-unconstrained-borrowed-type-param.stderr | 1 - 3 files changed, 27 insertions(+), 6 deletions(-) diff --git a/tests/ui/return/return-ty-mismatch-note.rs b/tests/ui/return/return-ty-mismatch-note.rs index 352bc2a16376..36d590519fba 100644 --- a/tests/ui/return/return-ty-mismatch-note.rs +++ b/tests/ui/return/return-ty-mismatch-note.rs @@ -1,4 +1,5 @@ -// Checks existence of a note for "a caller chooses ty for ty param" upon return ty mismatch. +// Checks existence or absence of a note for "a caller chooses ty for ty param" upon return ty +// mismatch. fn f() -> (T,) { (0,) //~ ERROR mismatched types @@ -14,6 +15,14 @@ fn h() -> u8 { 0u8 } +// This case was reported in where it doesn't +// make sense to make the "note caller chooses ty for ty param" note if the found type contains +// the ty param... +fn k(_t: &T) -> T { + _t + //~^ ERROR mismatched types +} + fn main() { f::<()>(); g::<(), ()>; diff --git a/tests/ui/return/return-ty-mismatch-note.stderr b/tests/ui/return/return-ty-mismatch-note.stderr index 135903da5c26..47ef6863063c 100644 --- a/tests/ui/return/return-ty-mismatch-note.stderr +++ b/tests/ui/return/return-ty-mismatch-note.stderr @@ -1,5 +1,5 @@ error[E0308]: mismatched types - --> $DIR/return-ty-mismatch-note.rs:4:6 + --> $DIR/return-ty-mismatch-note.rs:5:6 | LL | fn f() -> (T,) { | - expected this type parameter @@ -10,7 +10,7 @@ LL | (0,) found type `{integer}` error[E0308]: mismatched types - --> $DIR/return-ty-mismatch-note.rs:8:6 + --> $DIR/return-ty-mismatch-note.rs:9:6 | LL | fn g() -> (U, V) { | - expected this type parameter @@ -21,7 +21,7 @@ LL | (0, "foo") found type `{integer}` error[E0308]: mismatched types - --> $DIR/return-ty-mismatch-note.rs:8:9 + --> $DIR/return-ty-mismatch-note.rs:9:9 | LL | fn g() -> (U, V) { | - expected this type parameter @@ -31,6 +31,19 @@ LL | (0, "foo") = note: expected type parameter `V` found reference `&'static str` -error: aborting due to 3 previous errors +error[E0308]: mismatched types + --> $DIR/return-ty-mismatch-note.rs:22:5 + | +LL | fn k(_t: &T) -> T { + | - - expected `T` because of return type + | | + | expected this type parameter +LL | _t + | ^^ expected type parameter `T`, found `&T` + | + = note: expected type parameter `_` + found reference `&_` + +error: aborting due to 4 previous errors For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/suggestions/clone-on-unconstrained-borrowed-type-param.stderr b/tests/ui/suggestions/clone-on-unconstrained-borrowed-type-param.stderr index 2c4be26a82b7..afbb9c32d516 100644 --- a/tests/ui/suggestions/clone-on-unconstrained-borrowed-type-param.stderr +++ b/tests/ui/suggestions/clone-on-unconstrained-borrowed-type-param.stderr @@ -10,7 +10,6 @@ LL | t.clone() | = note: expected type parameter `_` found reference `&_` - = note: the caller chooses a type for `T` which can be different from `&T` note: `T` does not implement `Clone`, so `&T` was cloned instead --> $DIR/clone-on-unconstrained-borrowed-type-param.rs:3:5 | From 1299aef92112945e9587c168caed8d6486ffbf30 Mon Sep 17 00:00:00 2001 From: Trevor Gross Date: Tue, 18 Jun 2024 19:33:21 -0500 Subject: [PATCH 1685/1716] Make pretty printing for `f16` and `f128` consistent Currently the docs show e.g. {transmute(0xfffeffffffffffffffffffffffffffff): f128} for f128 constants. This should fix that to instead use apfloat for printing, as is done for `f32` and `f64`. --- compiler/rustc_middle/src/ty/print/pretty.rs | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs index de1796d48002..72cb3e134027 100644 --- a/compiler/rustc_middle/src/ty/print/pretty.rs +++ b/compiler/rustc_middle/src/ty/print/pretty.rs @@ -7,7 +7,7 @@ use crate::ty::{ ConstInt, Expr, ParamConst, ScalarInt, Term, TermKind, TypeFoldable, TypeSuperFoldable, TypeSuperVisitable, TypeVisitable, TypeVisitableExt, }; -use rustc_apfloat::ieee::{Double, Single}; +use rustc_apfloat::ieee::{Double, Half, Quad, Single}; use rustc_apfloat::Float; use rustc_data_structures::fx::{FxHashMap, FxIndexMap}; use rustc_data_structures::unord::UnordMap; @@ -1710,6 +1710,10 @@ pub trait PrettyPrinter<'tcx>: Printer<'tcx> + fmt::Write { ty::Bool if int == ScalarInt::FALSE => p!("false"), ty::Bool if int == ScalarInt::TRUE => p!("true"), // Float + ty::Float(ty::FloatTy::F16) => { + let val = Half::try_from(int).unwrap(); + p!(write("{}{}f16", val, if val.is_finite() { "" } else { "_" })) + } ty::Float(ty::FloatTy::F32) => { let val = Single::try_from(int).unwrap(); p!(write("{}{}f32", val, if val.is_finite() { "" } else { "_" })) @@ -1718,6 +1722,10 @@ pub trait PrettyPrinter<'tcx>: Printer<'tcx> + fmt::Write { let val = Double::try_from(int).unwrap(); p!(write("{}{}f64", val, if val.is_finite() { "" } else { "_" })) } + ty::Float(ty::FloatTy::F128) => { + let val = Quad::try_from(int).unwrap(); + p!(write("{}{}f128", val, if val.is_finite() { "" } else { "_" })) + } // Int ty::Uint(_) | ty::Int(_) => { let int = From 2126c1d44682e7fca5ea8f49e394e92a6aca0843 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Le=C3=B3n=20Orell=20Valerian=20Liehr?= Date: Wed, 19 Jun 2024 03:08:34 +0200 Subject: [PATCH 1686/1716] rustc_type_ir: Omit some struct fields from Debug output --- compiler/rustc_type_ir/src/binder.rs | 1 + compiler/rustc_type_ir/src/predicate.rs | 4 ++-- compiler/rustc_type_ir/src/ty_kind.rs | 4 ++-- .../occurs-check/associated-type.next.stderr | 8 ++++---- .../occurs-check/associated-type.old.stderr | 16 ++++++++-------- .../structually-relate-aliases.stderr | 4 ++-- .../next-solver/issue-118950-root-region.stderr | 8 ++++---- 7 files changed, 23 insertions(+), 22 deletions(-) diff --git a/compiler/rustc_type_ir/src/binder.rs b/compiler/rustc_type_ir/src/binder.rs index e50d59ba5f0e..5042a38fdb8e 100644 --- a/compiler/rustc_type_ir/src/binder.rs +++ b/compiler/rustc_type_ir/src/binder.rs @@ -361,6 +361,7 @@ impl TypeVisitor for ValidateBoundVars { #[cfg_attr(feature = "nightly", derive(TyEncodable, TyDecodable, HashStable_NoContext))] pub struct EarlyBinder { value: T, + #[derivative(Debug = "ignore")] _tcx: PhantomData, } diff --git a/compiler/rustc_type_ir/src/predicate.rs b/compiler/rustc_type_ir/src/predicate.rs index c0713dc50d26..d7201239d5f9 100644 --- a/compiler/rustc_type_ir/src/predicate.rs +++ b/compiler/rustc_type_ir/src/predicate.rs @@ -479,8 +479,8 @@ pub struct AliasTerm { /// aka. `interner.parent(def_id)`. pub def_id: I::DefId, - /// This field exists to prevent the creation of `AliasTerm` without using - /// [AliasTerm::new]. + /// This field exists to prevent the creation of `AliasTerm` without using [`AliasTerm::new`]. + #[derivative(Debug = "ignore")] _use_alias_term_new_instead: (), } diff --git a/compiler/rustc_type_ir/src/ty_kind.rs b/compiler/rustc_type_ir/src/ty_kind.rs index 8b4ad2f5ed0f..915888ab59b9 100644 --- a/compiler/rustc_type_ir/src/ty_kind.rs +++ b/compiler/rustc_type_ir/src/ty_kind.rs @@ -452,8 +452,8 @@ pub struct AliasTy { /// aka. `interner.parent(def_id)`. pub def_id: I::DefId, - /// This field exists to prevent the creation of `AliasTy` without using - /// [AliasTy::new]. + /// This field exists to prevent the creation of `AliasTy` without using [`AliasTy::new`]. + #[derivative(Debug = "ignore")] pub(crate) _use_alias_ty_new_instead: (), } diff --git a/tests/ui/coherence/occurs-check/associated-type.next.stderr b/tests/ui/coherence/occurs-check/associated-type.next.stderr index bd65cee58d9b..4f15be4c7c88 100644 --- a/tests/ui/coherence/occurs-check/associated-type.next.stderr +++ b/tests/ui/coherence/occurs-check/associated-type.next.stderr @@ -1,7 +1,7 @@ - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), _use_alias_ty_new_instead: () } - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), _use_alias_ty_new_instead: () } - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), _use_alias_ty_new_instead: () } - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), _use_alias_ty_new_instead: () } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } error[E0119]: conflicting implementations of trait `Overlap fn(&'a (), ())>` for type `for<'a> fn(&'a (), ())` --> $DIR/associated-type.rs:31:1 | diff --git a/tests/ui/coherence/occurs-check/associated-type.old.stderr b/tests/ui/coherence/occurs-check/associated-type.old.stderr index d26f7665ee73..329086ab7dfd 100644 --- a/tests/ui/coherence/occurs-check/associated-type.old.stderr +++ b/tests/ui/coherence/occurs-check/associated-type.old.stderr @@ -1,11 +1,11 @@ - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), _use_alias_ty_new_instead: () } - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, !2_0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), _use_alias_ty_new_instead: () } - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), _use_alias_ty_new_instead: () } - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, !2_0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), _use_alias_ty_new_instead: () } - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), _use_alias_ty_new_instead: () } - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, !2_0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), _use_alias_ty_new_instead: () } - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), _use_alias_ty_new_instead: () } - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, !2_0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit), _use_alias_ty_new_instead: () } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, !2_0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, !2_0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, !2_0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, '^0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [*const ?1t, !2_0.Named(DefId(0:27 ~ associated_type[f554]::{impl#3}::'a#1), "'a")], def_id: DefId(0:5 ~ associated_type[f554]::ToUnit::Unit) } error[E0119]: conflicting implementations of trait `Overlap fn(&'a (), _)>` for type `for<'a> fn(&'a (), _)` --> $DIR/associated-type.rs:31:1 | diff --git a/tests/ui/higher-ranked/structually-relate-aliases.stderr b/tests/ui/higher-ranked/structually-relate-aliases.stderr index e1cffa0fc376..2f1dfd19c483 100644 --- a/tests/ui/higher-ranked/structually-relate-aliases.stderr +++ b/tests/ui/higher-ranked/structually-relate-aliases.stderr @@ -1,5 +1,5 @@ - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [?1t, '^0.Named(DefId(0:15 ~ structually_relate_aliases[de75]::{impl#1}::'a), "'a")], def_id: DefId(0:5 ~ structually_relate_aliases[de75]::ToUnit::Unit), _use_alias_ty_new_instead: () } - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [?1t, !2_0.Named(DefId(0:15 ~ structually_relate_aliases[de75]::{impl#1}::'a), "'a")], def_id: DefId(0:5 ~ structually_relate_aliases[de75]::ToUnit::Unit), _use_alias_ty_new_instead: () } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [?1t, '^0.Named(DefId(0:15 ~ structually_relate_aliases[de75]::{impl#1}::'a), "'a")], def_id: DefId(0:5 ~ structually_relate_aliases[de75]::ToUnit::Unit) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [?1t, !2_0.Named(DefId(0:15 ~ structually_relate_aliases[de75]::{impl#1}::'a), "'a")], def_id: DefId(0:5 ~ structually_relate_aliases[de75]::ToUnit::Unit) } error[E0277]: the trait bound `for<'a> T: ToUnit<'a>` is not satisfied --> $DIR/structually-relate-aliases.rs:13:36 | diff --git a/tests/ui/traits/next-solver/issue-118950-root-region.stderr b/tests/ui/traits/next-solver/issue-118950-root-region.stderr index 04c44276195d..17da1f524796 100644 --- a/tests/ui/traits/next-solver/issue-118950-root-region.stderr +++ b/tests/ui/traits/next-solver/issue-118950-root-region.stderr @@ -25,10 +25,10 @@ help: this trait has no implementations, consider adding one LL | trait ToUnit<'a> { | ^^^^^^^^^^^^^^^^ - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: ['^0.Named(DefId(0:15 ~ issue_118950_root_region[d54f]::{impl#1}::'a), "'a"), ?1t], def_id: DefId(0:8 ~ issue_118950_root_region[d54f]::Assoc), _use_alias_ty_new_instead: () } - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: ['^0.Named(DefId(0:15 ~ issue_118950_root_region[d54f]::{impl#1}::'a), "'a"), ?1t], def_id: DefId(0:8 ~ issue_118950_root_region[d54f]::Assoc), _use_alias_ty_new_instead: () } - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: ['^0.Named(DefId(0:15 ~ issue_118950_root_region[d54f]::{impl#1}::'a), "'a"), ?1t], def_id: DefId(0:8 ~ issue_118950_root_region[d54f]::Assoc), _use_alias_ty_new_instead: () } - WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: ['^0.Named(DefId(0:15 ~ issue_118950_root_region[d54f]::{impl#1}::'a), "'a"), ?1t], def_id: DefId(0:8 ~ issue_118950_root_region[d54f]::Assoc), _use_alias_ty_new_instead: () } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: ['^0.Named(DefId(0:15 ~ issue_118950_root_region[d54f]::{impl#1}::'a), "'a"), ?1t], def_id: DefId(0:8 ~ issue_118950_root_region[d54f]::Assoc) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: ['^0.Named(DefId(0:15 ~ issue_118950_root_region[d54f]::{impl#1}::'a), "'a"), ?1t], def_id: DefId(0:8 ~ issue_118950_root_region[d54f]::Assoc) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: ['^0.Named(DefId(0:15 ~ issue_118950_root_region[d54f]::{impl#1}::'a), "'a"), ?1t], def_id: DefId(0:8 ~ issue_118950_root_region[d54f]::Assoc) } + WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: ['^0.Named(DefId(0:15 ~ issue_118950_root_region[d54f]::{impl#1}::'a), "'a"), ?1t], def_id: DefId(0:8 ~ issue_118950_root_region[d54f]::Assoc) } error[E0119]: conflicting implementations of trait `Overlap` for type `fn(_)` --> $DIR/issue-118950-root-region.rs:19:1 | From 087add3cb294ccb8cd07bc11f80f3877bc304d27 Mon Sep 17 00:00:00 2001 From: Weihang Lo Date: Tue, 18 Jun 2024 22:04:58 -0400 Subject: [PATCH 1687/1716] Update cargo --- src/tools/cargo | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/cargo b/src/tools/cargo index a1f47ec3f7cd..3ed207e416fb 160000 --- a/src/tools/cargo +++ b/src/tools/cargo @@ -1 +1 @@ -Subproject commit a1f47ec3f7cd076986f1bfcd7061f2e8cb1a726e +Subproject commit 3ed207e416fb2f678a40cc79c02dcf4f936a21ce From e003a12ad540835083bcefdb77f65bb94ca24279 Mon Sep 17 00:00:00 2001 From: Alex Crichton Date: Tue, 18 Jun 2024 20:54:11 -0700 Subject: [PATCH 1688/1716] Unconditionally warn on usage of `wasm32-wasi` This commit is a continuation of the work originally proposed in rust-lang/compiler-team#607 and later amended in rust-lang/compiler-team#695. The end goal is to rename `wasm32-wasi` to `wasm32-wasip1` to reflect WASI's development and distinguish the preexisting target from the `wasm32-wasip2` target that WASI is now developing. Work for this transition began in #120468 which landed in Rust 1.78 which became stable on 2024-05-02. This implements the next phase of the transition plan to warn on usage of `wasm32-wasi`. This is intended to help alert users that a removal is pending and all release channels have the replacement available as well. This will reach stable on 2024-09-05. The next stage of the plan is to remove the `wasm32-wasi` target some time in October 2024 which means that the removal will reach stable on 2025-01-09. For reference a full schedule of this transition is listed [here]. Currently this implementation is a simple unconditional warning whenever `rustc --target wasm32-wasi` is invoked. As-implemented there's no way to turn off the warning other than to switch to the `wasm32-wasip1` target. [here]: https://github.com/rust-lang/rust/pull/120468#issuecomment-1977878747 --- compiler/rustc_session/src/config.rs | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs index 5f9c3a14d603..24143808ef49 100644 --- a/compiler/rustc_session/src/config.rs +++ b/compiler/rustc_session/src/config.rs @@ -1311,6 +1311,20 @@ pub fn build_target_config(early_dcx: &EarlyDiagCtxt, opts: &Options, sysroot: & for warning in warnings.warning_messages() { early_dcx.early_warn(warning) } + + // The `wasm32-wasi` target is being renamed to `wasm32-wasip1` as + // part of rust-lang/compiler-team#607 and + // rust-lang/compiler-team#695. Warn unconditionally on usage to + // raise awareness of the renaming. This code will be deleted in + // October 2024. + if opts.target_triple.triple() == "wasm32-wasi" { + early_dcx.early_warn( + "the `wasm32-wasi` target is being renamed to \ + `wasm32-wasip1` and the `wasm32-wasi` target will be \ + removed from nightly in October 2024 and removed from \ + stable Rust in January 2025", + ) + } if !matches!(target.pointer_width, 16 | 32 | 64) { early_dcx.early_fatal(format!( "target specification was invalid: unrecognized target-pointer-width {}", From c894ece8fe607664fbdf2c081da9c997de5905f3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Le=C3=B3n=20Orell=20Valerian=20Liehr?= Date: Wed, 19 Jun 2024 09:19:09 +0200 Subject: [PATCH 1689/1716] Remove now NOP attrs `#[rustc_dump{,_env}_program_clauses]` --- compiler/rustc_feature/src/builtin_attrs.rs | 8 -------- compiler/rustc_span/src/symbol.rs | 2 -- 2 files changed, 10 deletions(-) diff --git a/compiler/rustc_feature/src/builtin_attrs.rs b/compiler/rustc_feature/src/builtin_attrs.rs index 9b5e4e50d3ca..c165620f657b 100644 --- a/compiler/rustc_feature/src/builtin_attrs.rs +++ b/compiler/rustc_feature/src/builtin_attrs.rs @@ -1088,14 +1088,6 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ ErrorFollowing, EncodeCrossCrate::No, "the `#[custom_mir]` attribute is just used for the Rust test suite", ), - rustc_attr!( - TEST, rustc_dump_program_clauses, Normal, template!(Word), - WarnFollowing, EncodeCrossCrate::No - ), - rustc_attr!( - TEST, rustc_dump_env_program_clauses, Normal, template!(Word), - WarnFollowing, EncodeCrossCrate::No - ), rustc_attr!( TEST, rustc_object_lifetime_default, Normal, template!(Word), WarnFollowing, EncodeCrossCrate::No diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index f44fa1bcb4fd..4719de9d4c03 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -1592,8 +1592,6 @@ symbols! { rustc_do_not_const_check, rustc_doc_primitive, rustc_dummy, - rustc_dump_env_program_clauses, - rustc_dump_program_clauses, rustc_dump_user_args, rustc_dump_vtable, rustc_effective_visibility, From 6c7c824767e2e9c992da74e449da27889bbd4bb8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Dorian=20P=C3=A9ron?= Date: Fri, 3 May 2024 09:56:13 +0000 Subject: [PATCH 1690/1716] coverage: Make MCDC take in account last RHS of condition-coverage Condition coverage extends branch coverage to treat the specific case of last operands of boolean decisions not involved in control flow. This is ultimately made for MCDC to be exhaustive on all boolean expressions. This patch adds a call to `visit_branch_coverage_operation` to track the top-level operand of the said decisions, and changes `visit_coverage_standalone_condition` so MCDC branch registration is called when enabled on these _last RHS_ cases. --- .../rustc_mir_build/src/build/coverageinfo.rs | 66 ++++++++++++------- .../rustc_mir_build/src/build/expr/into.rs | 3 + 2 files changed, 47 insertions(+), 22 deletions(-) diff --git a/compiler/rustc_mir_build/src/build/coverageinfo.rs b/compiler/rustc_mir_build/src/build/coverageinfo.rs index 855dcbbcb346..876faca5172a 100644 --- a/compiler/rustc_mir_build/src/build/coverageinfo.rs +++ b/compiler/rustc_mir_build/src/build/coverageinfo.rs @@ -118,17 +118,35 @@ impl BranchInfoBuilder { } } - fn add_two_way_branch<'tcx>( + fn register_two_way_branch<'tcx>( &mut self, + tcx: TyCtxt<'tcx>, cfg: &mut CFG<'tcx>, source_info: SourceInfo, true_block: BasicBlock, false_block: BasicBlock, ) { - let true_marker = self.markers.inject_block_marker(cfg, source_info, true_block); - let false_marker = self.markers.inject_block_marker(cfg, source_info, false_block); + // Separate path for handling branches when MC/DC is enabled. + if let Some(mcdc_info) = self.mcdc_info.as_mut() { + let inject_block_marker = + |source_info, block| self.markers.inject_block_marker(cfg, source_info, block); + mcdc_info.visit_evaluated_condition( + tcx, + source_info, + true_block, + false_block, + inject_block_marker, + ); + } else { + let true_marker = self.markers.inject_block_marker(cfg, source_info, true_block); + let false_marker = self.markers.inject_block_marker(cfg, source_info, false_block); - self.branch_spans.push(BranchSpan { span: source_info.span, true_marker, false_marker }); + self.branch_spans.push(BranchSpan { + span: source_info.span, + true_marker, + false_marker, + }); + } } pub(crate) fn into_done(self) -> Option> { @@ -205,7 +223,14 @@ impl<'tcx> Builder<'_, 'tcx> { mir::TerminatorKind::if_(mir::Operand::Copy(place), true_block, false_block), ); - branch_info.add_two_way_branch(&mut self.cfg, source_info, true_block, false_block); + // Separate path for handling branches when MC/DC is enabled. + branch_info.register_two_way_branch( + self.tcx, + &mut self.cfg, + source_info, + true_block, + false_block, + ); let join_block = self.cfg.start_new_block(); self.cfg.goto(true_block, source_info, join_block); @@ -236,22 +261,13 @@ impl<'tcx> Builder<'_, 'tcx> { let source_info = SourceInfo { span: self.thir[expr_id].span, scope: self.source_scope }; - // Separate path for handling branches when MC/DC is enabled. - if let Some(mcdc_info) = branch_info.mcdc_info.as_mut() { - let inject_block_marker = |source_info, block| { - branch_info.markers.inject_block_marker(&mut self.cfg, source_info, block) - }; - mcdc_info.visit_evaluated_condition( - self.tcx, - source_info, - then_block, - else_block, - inject_block_marker, - ); - return; - } - - branch_info.add_two_way_branch(&mut self.cfg, source_info, then_block, else_block); + branch_info.register_two_way_branch( + self.tcx, + &mut self.cfg, + source_info, + then_block, + else_block, + ); } /// If branch coverage is enabled, inject marker statements into `true_block` @@ -270,6 +286,12 @@ impl<'tcx> Builder<'_, 'tcx> { // FIXME(#124144) This may need special handling when MC/DC is enabled. let source_info = SourceInfo { span: pattern.span, scope: self.source_scope }; - branch_info.add_two_way_branch(&mut self.cfg, source_info, true_block, false_block); + branch_info.register_two_way_branch( + self.tcx, + &mut self.cfg, + source_info, + true_block, + false_block, + ); } } diff --git a/compiler/rustc_mir_build/src/build/expr/into.rs b/compiler/rustc_mir_build/src/build/expr/into.rs index c08a3b6691af..6b4dd8b64a42 100644 --- a/compiler/rustc_mir_build/src/build/expr/into.rs +++ b/compiler/rustc_mir_build/src/build/expr/into.rs @@ -150,6 +150,9 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { ExprKind::LogicalOp { op, lhs, rhs } => { let condition_scope = this.local_scope(); let source_info = this.source_info(expr.span); + + this.visit_coverage_branch_operation(op, expr.span); + // We first evaluate the left-hand side of the predicate ... let (then_block, else_block) = this.in_if_then_scope(condition_scope, expr.span, |this| { From e15adef457b25b91906fde1510405fa4f3992188 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Dorian=20P=C3=A9ron?= Date: Fri, 3 May 2024 10:37:02 +0000 Subject: [PATCH 1691/1716] tests(coverage): Bless mcdc_non_control_flow tests --- tests/coverage/mcdc_non_control_flow.cov-map | 63 ++++---- tests/coverage/mcdc_non_control_flow.coverage | 140 +++++++++++++++--- 2 files changed, 156 insertions(+), 47 deletions(-) diff --git a/tests/coverage/mcdc_non_control_flow.cov-map b/tests/coverage/mcdc_non_control_flow.cov-map index 3f422d85e799..937c36e1f16c 100644 --- a/tests/coverage/mcdc_non_control_flow.cov-map +++ b/tests/coverage/mcdc_non_control_flow.cov-map @@ -1,5 +1,5 @@ Function name: mcdc_non_control_flow::assign_3 -Raw bytes (73): 0x[01, 01, 09, 05, 07, 0b, 11, 09, 0d, 01, 05, 01, 05, 22, 11, 01, 05, 22, 11, 01, 05, 09, 01, 16, 01, 00, 28, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 22, 00, 0d, 00, 0e, 22, 00, 12, 00, 13, 20, 1e, 11, 00, 12, 00, 13, 1e, 00, 17, 00, 18, 20, 09, 0d, 00, 17, 00, 18, 03, 01, 05, 01, 02] +Raw bytes (89): 0x[01, 01, 09, 05, 07, 0b, 11, 09, 0d, 01, 05, 01, 05, 22, 11, 01, 05, 22, 11, 01, 05, 0a, 01, 16, 01, 00, 28, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 28, 00, 03, 00, 0d, 00, 18, 30, 05, 22, 01, 00, 02, 00, 0d, 00, 0e, 22, 00, 12, 00, 13, 30, 1e, 11, 02, 03, 00, 00, 12, 00, 13, 1e, 00, 17, 00, 18, 30, 09, 0d, 03, 00, 00, 00, 17, 00, 18, 03, 01, 05, 01, 02] Number of files: 1 - file 0 => global file 1 Number of expressions: 9 @@ -12,29 +12,30 @@ Number of expressions: 9 - expression 6 operands: lhs = Counter(0), rhs = Counter(1) - expression 7 operands: lhs = Expression(8, Sub), rhs = Counter(4) - expression 8 operands: lhs = Counter(0), rhs = Counter(1) -Number of file 0 mappings: 9 +Number of file 0 mappings: 10 - Code(Counter(0)) at (prev + 22, 1) to (start + 0, 40) - Code(Expression(0, Add)) at (prev + 1, 9) to (start + 0, 10) = (c1 + ((c2 + c3) + c4)) - Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14) -- Branch { true: Counter(1), false: Expression(8, Sub) } at (prev + 0, 13) to (start + 0, 14) +- MCDCDecision { bitmap_idx: 0, conditions_num: 3 } at (prev + 0, 13) to (start + 0, 24) +- MCDCBranch { true: Counter(1), false: Expression(8, Sub), condition_id: 1, true_next_id: 0, false_next_id: 2 } at (prev + 0, 13) to (start + 0, 14) true = c1 false = (c0 - c1) - Code(Expression(8, Sub)) at (prev + 0, 18) to (start + 0, 19) = (c0 - c1) -- Branch { true: Expression(7, Sub), false: Counter(4) } at (prev + 0, 18) to (start + 0, 19) +- MCDCBranch { true: Expression(7, Sub), false: Counter(4), condition_id: 2, true_next_id: 3, false_next_id: 0 } at (prev + 0, 18) to (start + 0, 19) true = ((c0 - c1) - c4) false = c4 - Code(Expression(7, Sub)) at (prev + 0, 23) to (start + 0, 24) = ((c0 - c1) - c4) -- Branch { true: Counter(2), false: Counter(3) } at (prev + 0, 23) to (start + 0, 24) +- MCDCBranch { true: Counter(2), false: Counter(3), condition_id: 3, true_next_id: 0, false_next_id: 0 } at (prev + 0, 23) to (start + 0, 24) true = c2 false = c3 - Code(Expression(0, Add)) at (prev + 1, 5) to (start + 1, 2) = (c1 + ((c2 + c3) + c4)) Function name: mcdc_non_control_flow::assign_3_bis -Raw bytes (82): 0x[01, 01, 07, 07, 11, 09, 0d, 01, 05, 05, 09, 16, 1a, 05, 09, 01, 05, 0a, 01, 1b, 01, 00, 2c, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 28, 00, 02, 00, 0d, 00, 13, 30, 05, 1a, 01, 02, 00, 00, 0d, 00, 0e, 05, 00, 12, 00, 13, 30, 09, 16, 02, 00, 00, 00, 12, 00, 13, 13, 00, 17, 00, 18, 20, 0d, 11, 00, 17, 00, 18, 03, 01, 05, 01, 02] +Raw bytes (85): 0x[01, 01, 07, 07, 11, 09, 0d, 01, 05, 05, 09, 16, 1a, 05, 09, 01, 05, 0a, 01, 1b, 01, 00, 2c, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 28, 00, 03, 00, 0d, 00, 18, 30, 05, 1a, 01, 03, 02, 00, 0d, 00, 0e, 05, 00, 12, 00, 13, 30, 09, 16, 03, 00, 02, 00, 12, 00, 13, 13, 00, 17, 00, 18, 30, 0d, 11, 02, 00, 00, 00, 17, 00, 18, 03, 01, 05, 01, 02] Number of files: 1 - file 0 => global file 1 Number of expressions: 7 @@ -50,24 +51,24 @@ Number of file 0 mappings: 10 - Code(Expression(0, Add)) at (prev + 1, 9) to (start + 0, 10) = ((c2 + c3) + c4) - Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14) -- MCDCDecision { bitmap_idx: 0, conditions_num: 2 } at (prev + 0, 13) to (start + 0, 19) -- MCDCBranch { true: Counter(1), false: Expression(6, Sub), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 13) to (start + 0, 14) +- MCDCDecision { bitmap_idx: 0, conditions_num: 3 } at (prev + 0, 13) to (start + 0, 24) +- MCDCBranch { true: Counter(1), false: Expression(6, Sub), condition_id: 1, true_next_id: 3, false_next_id: 2 } at (prev + 0, 13) to (start + 0, 14) true = c1 false = (c0 - c1) - Code(Counter(1)) at (prev + 0, 18) to (start + 0, 19) -- MCDCBranch { true: Counter(2), false: Expression(5, Sub), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 18) to (start + 0, 19) +- MCDCBranch { true: Counter(2), false: Expression(5, Sub), condition_id: 3, true_next_id: 0, false_next_id: 2 } at (prev + 0, 18) to (start + 0, 19) true = c2 false = (c1 - c2) - Code(Expression(4, Add)) at (prev + 0, 23) to (start + 0, 24) = ((c1 - c2) + (c0 - c1)) -- Branch { true: Counter(3), false: Counter(4) } at (prev + 0, 23) to (start + 0, 24) +- MCDCBranch { true: Counter(3), false: Counter(4), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 23) to (start + 0, 24) true = c3 false = c4 - Code(Expression(0, Add)) at (prev + 1, 5) to (start + 1, 2) = ((c2 + c3) + c4) Function name: mcdc_non_control_flow::assign_and -Raw bytes (51): 0x[01, 01, 04, 07, 0e, 09, 0d, 01, 05, 01, 05, 07, 01, 0c, 01, 00, 21, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 0e, 00, 0d, 00, 0e, 05, 00, 12, 00, 13, 20, 09, 0d, 00, 12, 00, 13, 03, 01, 05, 01, 02] +Raw bytes (64): 0x[01, 01, 04, 07, 0e, 09, 0d, 01, 05, 01, 05, 08, 01, 0c, 01, 00, 21, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 28, 00, 02, 00, 0d, 00, 13, 30, 05, 0e, 01, 02, 00, 00, 0d, 00, 0e, 05, 00, 12, 00, 13, 30, 09, 0d, 02, 00, 00, 00, 12, 00, 13, 03, 01, 05, 01, 02] Number of files: 1 - file 0 => global file 1 Number of expressions: 4 @@ -75,23 +76,24 @@ Number of expressions: 4 - expression 1 operands: lhs = Counter(2), rhs = Counter(3) - expression 2 operands: lhs = Counter(0), rhs = Counter(1) - expression 3 operands: lhs = Counter(0), rhs = Counter(1) -Number of file 0 mappings: 7 +Number of file 0 mappings: 8 - Code(Counter(0)) at (prev + 12, 1) to (start + 0, 33) - Code(Expression(0, Add)) at (prev + 1, 9) to (start + 0, 10) = ((c2 + c3) + (c0 - c1)) - Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14) -- Branch { true: Counter(1), false: Expression(3, Sub) } at (prev + 0, 13) to (start + 0, 14) +- MCDCDecision { bitmap_idx: 0, conditions_num: 2 } at (prev + 0, 13) to (start + 0, 19) +- MCDCBranch { true: Counter(1), false: Expression(3, Sub), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 13) to (start + 0, 14) true = c1 false = (c0 - c1) - Code(Counter(1)) at (prev + 0, 18) to (start + 0, 19) -- Branch { true: Counter(2), false: Counter(3) } at (prev + 0, 18) to (start + 0, 19) +- MCDCBranch { true: Counter(2), false: Counter(3), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 18) to (start + 0, 19) true = c2 false = c3 - Code(Expression(0, Add)) at (prev + 1, 5) to (start + 1, 2) = ((c2 + c3) + (c0 - c1)) Function name: mcdc_non_control_flow::assign_or -Raw bytes (51): 0x[01, 01, 04, 07, 0d, 05, 09, 01, 05, 01, 05, 07, 01, 11, 01, 00, 20, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 0e, 00, 0d, 00, 0e, 0e, 00, 12, 00, 13, 20, 09, 0d, 00, 12, 00, 13, 03, 01, 05, 01, 02] +Raw bytes (64): 0x[01, 01, 04, 07, 0d, 05, 09, 01, 05, 01, 05, 08, 01, 11, 01, 00, 20, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 28, 00, 02, 00, 0d, 00, 13, 30, 05, 0e, 01, 00, 02, 00, 0d, 00, 0e, 0e, 00, 12, 00, 13, 30, 09, 0d, 02, 00, 00, 00, 12, 00, 13, 03, 01, 05, 01, 02] Number of files: 1 - file 0 => global file 1 Number of expressions: 4 @@ -99,17 +101,18 @@ Number of expressions: 4 - expression 1 operands: lhs = Counter(1), rhs = Counter(2) - expression 2 operands: lhs = Counter(0), rhs = Counter(1) - expression 3 operands: lhs = Counter(0), rhs = Counter(1) -Number of file 0 mappings: 7 +Number of file 0 mappings: 8 - Code(Counter(0)) at (prev + 17, 1) to (start + 0, 32) - Code(Expression(0, Add)) at (prev + 1, 9) to (start + 0, 10) = ((c1 + c2) + c3) - Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14) -- Branch { true: Counter(1), false: Expression(3, Sub) } at (prev + 0, 13) to (start + 0, 14) +- MCDCDecision { bitmap_idx: 0, conditions_num: 2 } at (prev + 0, 13) to (start + 0, 19) +- MCDCBranch { true: Counter(1), false: Expression(3, Sub), condition_id: 1, true_next_id: 0, false_next_id: 2 } at (prev + 0, 13) to (start + 0, 14) true = c1 false = (c0 - c1) - Code(Expression(3, Sub)) at (prev + 0, 18) to (start + 0, 19) = (c0 - c1) -- Branch { true: Counter(2), false: Counter(3) } at (prev + 0, 18) to (start + 0, 19) +- MCDCBranch { true: Counter(2), false: Counter(3), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 18) to (start + 0, 19) true = c2 false = c3 - Code(Expression(0, Add)) at (prev + 1, 5) to (start + 1, 2) @@ -124,27 +127,28 @@ Number of file 0 mappings: 1 - Code(Counter(0)) at (prev + 37, 1) to (start + 2, 2) Function name: mcdc_non_control_flow::func_call -Raw bytes (39): 0x[01, 01, 03, 01, 05, 0b, 02, 09, 0d, 05, 01, 29, 01, 01, 0a, 20, 05, 02, 01, 09, 00, 0a, 05, 00, 0e, 00, 0f, 20, 09, 0d, 00, 0e, 00, 0f, 07, 01, 01, 00, 02] +Raw bytes (52): 0x[01, 01, 03, 01, 05, 0b, 02, 09, 0d, 06, 01, 29, 01, 01, 0a, 28, 00, 02, 01, 09, 00, 0f, 30, 05, 02, 01, 02, 00, 00, 09, 00, 0a, 05, 00, 0e, 00, 0f, 30, 09, 0d, 02, 00, 00, 00, 0e, 00, 0f, 07, 01, 01, 00, 02] Number of files: 1 - file 0 => global file 1 Number of expressions: 3 - expression 0 operands: lhs = Counter(0), rhs = Counter(1) - expression 1 operands: lhs = Expression(2, Add), rhs = Expression(0, Sub) - expression 2 operands: lhs = Counter(2), rhs = Counter(3) -Number of file 0 mappings: 5 +Number of file 0 mappings: 6 - Code(Counter(0)) at (prev + 41, 1) to (start + 1, 10) -- Branch { true: Counter(1), false: Expression(0, Sub) } at (prev + 1, 9) to (start + 0, 10) +- MCDCDecision { bitmap_idx: 0, conditions_num: 2 } at (prev + 1, 9) to (start + 0, 15) +- MCDCBranch { true: Counter(1), false: Expression(0, Sub), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 9) to (start + 0, 10) true = c1 false = (c0 - c1) - Code(Counter(1)) at (prev + 0, 14) to (start + 0, 15) -- Branch { true: Counter(2), false: Counter(3) } at (prev + 0, 14) to (start + 0, 15) +- MCDCBranch { true: Counter(2), false: Counter(3), condition_id: 2, true_next_id: 0, false_next_id: 0 } at (prev + 0, 14) to (start + 0, 15) true = c2 false = c3 - Code(Expression(1, Add)) at (prev + 1, 1) to (start + 0, 2) = ((c2 + c3) + (c0 - c1)) Function name: mcdc_non_control_flow::right_comb_tree -Raw bytes (117): 0x[01, 01, 13, 07, 1a, 0b, 19, 0f, 15, 13, 11, 09, 0d, 01, 05, 01, 05, 05, 19, 05, 19, 4a, 15, 05, 19, 4a, 15, 05, 19, 46, 11, 4a, 15, 05, 19, 46, 11, 4a, 15, 05, 19, 0d, 01, 20, 01, 00, 41, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 20, 05, 1a, 00, 0d, 00, 0e, 05, 00, 13, 00, 14, 20, 4a, 19, 00, 13, 00, 14, 4a, 00, 19, 00, 1a, 20, 46, 15, 00, 19, 00, 1a, 46, 00, 1f, 00, 20, 20, 42, 11, 00, 1f, 00, 20, 42, 00, 24, 00, 27, 20, 09, 0d, 00, 24, 00, 27, 03, 01, 05, 01, 02] +Raw bytes (139): 0x[01, 01, 13, 07, 1a, 0b, 19, 0f, 15, 13, 11, 09, 0d, 01, 05, 01, 05, 05, 19, 05, 19, 4a, 15, 05, 19, 4a, 15, 05, 19, 46, 11, 4a, 15, 05, 19, 46, 11, 4a, 15, 05, 19, 0e, 01, 20, 01, 00, 41, 03, 01, 09, 00, 0a, 01, 00, 0d, 00, 0e, 28, 00, 05, 00, 0d, 00, 2a, 30, 05, 1a, 01, 02, 00, 00, 0d, 00, 0e, 05, 00, 13, 00, 14, 30, 4a, 19, 02, 03, 00, 00, 13, 00, 14, 4a, 00, 19, 00, 1a, 30, 46, 15, 03, 04, 00, 00, 19, 00, 1a, 46, 00, 1f, 00, 20, 30, 42, 11, 04, 05, 00, 00, 1f, 00, 20, 42, 00, 24, 00, 27, 30, 09, 0d, 05, 00, 00, 00, 24, 00, 27, 03, 01, 05, 01, 02] Number of files: 1 - file 0 => global file 1 Number of expressions: 19 @@ -167,31 +171,32 @@ Number of expressions: 19 - expression 16 operands: lhs = Expression(17, Sub), rhs = Counter(4) - expression 17 operands: lhs = Expression(18, Sub), rhs = Counter(5) - expression 18 operands: lhs = Counter(1), rhs = Counter(6) -Number of file 0 mappings: 13 +Number of file 0 mappings: 14 - Code(Counter(0)) at (prev + 32, 1) to (start + 0, 65) - Code(Expression(0, Add)) at (prev + 1, 9) to (start + 0, 10) = (((((c2 + c3) + c4) + c5) + c6) + (c0 - c1)) - Code(Counter(0)) at (prev + 0, 13) to (start + 0, 14) -- Branch { true: Counter(1), false: Expression(6, Sub) } at (prev + 0, 13) to (start + 0, 14) +- MCDCDecision { bitmap_idx: 0, conditions_num: 5 } at (prev + 0, 13) to (start + 0, 42) +- MCDCBranch { true: Counter(1), false: Expression(6, Sub), condition_id: 1, true_next_id: 2, false_next_id: 0 } at (prev + 0, 13) to (start + 0, 14) true = c1 false = (c0 - c1) - Code(Counter(1)) at (prev + 0, 19) to (start + 0, 20) -- Branch { true: Expression(18, Sub), false: Counter(6) } at (prev + 0, 19) to (start + 0, 20) +- MCDCBranch { true: Expression(18, Sub), false: Counter(6), condition_id: 2, true_next_id: 3, false_next_id: 0 } at (prev + 0, 19) to (start + 0, 20) true = (c1 - c6) false = c6 - Code(Expression(18, Sub)) at (prev + 0, 25) to (start + 0, 26) = (c1 - c6) -- Branch { true: Expression(17, Sub), false: Counter(5) } at (prev + 0, 25) to (start + 0, 26) +- MCDCBranch { true: Expression(17, Sub), false: Counter(5), condition_id: 3, true_next_id: 4, false_next_id: 0 } at (prev + 0, 25) to (start + 0, 26) true = ((c1 - c6) - c5) false = c5 - Code(Expression(17, Sub)) at (prev + 0, 31) to (start + 0, 32) = ((c1 - c6) - c5) -- Branch { true: Expression(16, Sub), false: Counter(4) } at (prev + 0, 31) to (start + 0, 32) +- MCDCBranch { true: Expression(16, Sub), false: Counter(4), condition_id: 4, true_next_id: 5, false_next_id: 0 } at (prev + 0, 31) to (start + 0, 32) true = (((c1 - c6) - c5) - c4) false = c4 - Code(Expression(16, Sub)) at (prev + 0, 36) to (start + 0, 39) = (((c1 - c6) - c5) - c4) -- Branch { true: Counter(2), false: Counter(3) } at (prev + 0, 36) to (start + 0, 39) +- MCDCBranch { true: Counter(2), false: Counter(3), condition_id: 5, true_next_id: 0, false_next_id: 0 } at (prev + 0, 36) to (start + 0, 39) true = c2 false = c3 - Code(Expression(0, Add)) at (prev + 1, 5) to (start + 1, 2) diff --git a/tests/coverage/mcdc_non_control_flow.coverage b/tests/coverage/mcdc_non_control_flow.coverage index 4e53a7a0d8e8..cd733885a98b 100644 --- a/tests/coverage/mcdc_non_control_flow.coverage +++ b/tests/coverage/mcdc_non_control_flow.coverage @@ -12,24 +12,6 @@ LL| 3|fn assign_and(a: bool, b: bool) { LL| 3| let x = a && b; ^2 - LL| 3| black_box(x); - LL| 3|} - LL| | - LL| 3|fn assign_or(a: bool, b: bool) { - LL| 3| let x = a || b; - ^1 - LL| 3| black_box(x); - LL| 3|} - LL| | - LL| 4|fn assign_3(a: bool, b: bool, c: bool) { - LL| 4| let x = a || b && c; - ^2 ^1 - LL| 4| black_box(x); - LL| 4|} - LL| | - LL| 4|fn assign_3_bis(a: bool, b: bool, c: bool) { - LL| 4| let x = a && b || c; - ^2 ^3 ------------------ |---> MC/DC Decision Region (LL:13) to (LL:19) | @@ -48,6 +30,84 @@ | C2-Pair: covered: (2,3) | MC/DC Coverage for Decision: 100.00% | + ------------------ + LL| 3| black_box(x); + LL| 3|} + LL| | + LL| 3|fn assign_or(a: bool, b: bool) { + LL| 3| let x = a || b; + ^1 + ------------------ + |---> MC/DC Decision Region (LL:13) to (LL:19) + | + | Number of Conditions: 2 + | Condition C1 --> (LL:13) + | Condition C2 --> (LL:18) + | + | Executed MC/DC Test Vectors: + | + | C1, C2 Result + | 1 { F, F = F } + | 2 { T, - = T } + | + | C1-Pair: covered: (1,2) + | C2-Pair: not covered + | MC/DC Coverage for Decision: 50.00% + | + ------------------ + LL| 3| black_box(x); + LL| 3|} + LL| | + LL| 4|fn assign_3(a: bool, b: bool, c: bool) { + LL| 4| let x = a || b && c; + ^2 ^1 + ------------------ + |---> MC/DC Decision Region (LL:13) to (LL:24) + | + | Number of Conditions: 3 + | Condition C1 --> (LL:13) + | Condition C2 --> (LL:18) + | Condition C3 --> (LL:23) + | + | Executed MC/DC Test Vectors: + | + | C1, C2, C3 Result + | 1 { F, F, - = F } + | 2 { T, -, - = T } + | 3 { F, T, T = T } + | + | C1-Pair: covered: (1,2) + | C2-Pair: covered: (1,3) + | C3-Pair: not covered + | MC/DC Coverage for Decision: 66.67% + | + ------------------ + LL| 4| black_box(x); + LL| 4|} + LL| | + LL| 4|fn assign_3_bis(a: bool, b: bool, c: bool) { + LL| 4| let x = a && b || c; + ^2 ^3 + ------------------ + |---> MC/DC Decision Region (LL:13) to (LL:24) + | + | Number of Conditions: 3 + | Condition C1 --> (LL:13) + | Condition C2 --> (LL:18) + | Condition C3 --> (LL:23) + | + | Executed MC/DC Test Vectors: + | + | C1, C2, C3 Result + | 1 { T, F, F = F } + | 2 { F, -, T = T } + | 3 { T, T, - = T } + | + | C1-Pair: not covered + | C2-Pair: covered: (1,3) + | C3-Pair: not covered + | MC/DC Coverage for Decision: 33.33% + | ------------------ LL| 4| black_box(x); LL| 4|} @@ -55,6 +115,31 @@ LL| 3|fn right_comb_tree(a: bool, b: bool, c: bool, d: bool, e: bool) { LL| 3| let x = a && (b && (c && (d && (e)))); ^2 ^1 ^1 ^1 + ------------------ + |---> MC/DC Decision Region (LL:13) to (LL:42) + | + | Number of Conditions: 5 + | Condition C1 --> (LL:13) + | Condition C2 --> (LL:19) + | Condition C3 --> (LL:25) + | Condition C4 --> (LL:31) + | Condition C5 --> (LL:36) + | + | Executed MC/DC Test Vectors: + | + | C1, C2, C3, C4, C5 Result + | 1 { F, -, -, -, - = F } + | 2 { T, F, -, -, - = F } + | 3 { T, T, T, T, T = T } + | + | C1-Pair: covered: (1,3) + | C2-Pair: covered: (2,3) + | C3-Pair: not covered + | C4-Pair: not covered + | C5-Pair: not covered + | MC/DC Coverage for Decision: 40.00% + | + ------------------ LL| 3| black_box(x); LL| 3|} LL| | @@ -65,6 +150,25 @@ LL| 3|fn func_call(a: bool, b: bool) { LL| 3| foo(a && b); ^2 + ------------------ + |---> MC/DC Decision Region (LL:9) to (LL:15) + | + | Number of Conditions: 2 + | Condition C1 --> (LL:9) + | Condition C2 --> (LL:14) + | + | Executed MC/DC Test Vectors: + | + | C1, C2 Result + | 1 { F, - = F } + | 2 { T, F = F } + | 3 { T, T = T } + | + | C1-Pair: covered: (1,3) + | C2-Pair: covered: (2,3) + | MC/DC Coverage for Decision: 100.00% + | + ------------------ LL| 3|} LL| | LL| |#[coverage(off)] From ba4510ece85018408627b2d3ceef1a3b7889cb71 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Mon, 27 May 2024 11:49:05 +0000 Subject: [PATCH 1692/1716] Allow constraining opaque types during subtyping in the trait system --- compiler/rustc_infer/src/infer/mod.rs | 4 +- .../impl-trait/lazy_subtyping_of_opaques.rs | 65 +++++-------------- .../lazy_subtyping_of_opaques.stderr | 21 ------ .../lazy_subtyping_of_opaques.rs | 3 +- .../lazy_subtyping_of_opaques.stderr | 31 +++++---- 5 files changed, 37 insertions(+), 87 deletions(-) delete mode 100644 tests/ui/impl-trait/lazy_subtyping_of_opaques.stderr diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs index 510e9a06dfb0..4d6ddd7ba66a 100644 --- a/compiler/rustc_infer/src/infer/mod.rs +++ b/compiler/rustc_infer/src/infer/mod.rs @@ -878,9 +878,9 @@ impl<'tcx> InferCtxt<'tcx> { self.enter_forall(predicate, |ty::SubtypePredicate { a_is_expected, a, b }| { if a_is_expected { - Ok(self.at(cause, param_env).sub(DefineOpaqueTypes::No, a, b)) + Ok(self.at(cause, param_env).sub(DefineOpaqueTypes::Yes, a, b)) } else { - Ok(self.at(cause, param_env).sup(DefineOpaqueTypes::No, b, a)) + Ok(self.at(cause, param_env).sup(DefineOpaqueTypes::Yes, b, a)) } }) } diff --git a/tests/ui/impl-trait/lazy_subtyping_of_opaques.rs b/tests/ui/impl-trait/lazy_subtyping_of_opaques.rs index 65331894725a..8fd1f35645a8 100644 --- a/tests/ui/impl-trait/lazy_subtyping_of_opaques.rs +++ b/tests/ui/impl-trait/lazy_subtyping_of_opaques.rs @@ -2,58 +2,23 @@ //! No hidden types are being constrained in the subtyping predicate, but type and //! lifetime variables get subtyped in the generic parameter list of the opaque. -use std::iter; +//@ check-pass -mod either { - pub enum Either { - Left(L), - Right(R), - } - - impl> Iterator for Either { - type Item = L::Item; - fn next(&mut self) -> Option { - todo!() - } - } - pub use self::Either::{Left, Right}; -} - -pub enum BabeConsensusLogRef<'a> { - NextEpochData(BabeNextEpochRef<'a>), - NextConfigData, -} - -impl<'a> BabeConsensusLogRef<'a> { - pub fn scale_encoding( - &self, - ) -> impl Iterator + Clone + 'a> + Clone + 'a { - //~^ ERROR is not satisfied - //~| ERROR is not satisfied - //~| ERROR is not satisfied - match self { - BabeConsensusLogRef::NextEpochData(digest) => either::Left(either::Left( - digest.scale_encoding().map(either::Left).map(either::Left), - )), - BabeConsensusLogRef::NextConfigData => either::Right( - // The Opaque type from ``scale_encoding` gets used opaquely here, while the `R` - // generic parameter of `Either` contains type variables that get subtyped and the - // opaque type contains lifetime variables that get subtyped. - iter::once(either::Right(either::Left([1]))) - .chain(std::iter::once([1]).map(either::Right).map(either::Right)), - ), - } - } -} - -pub struct BabeNextEpochRef<'a>(&'a ()); - -impl<'a> BabeNextEpochRef<'a> { - pub fn scale_encoding( - &self, - ) -> impl Iterator + Clone + 'a> + Clone + 'a { - std::iter::once([1]) +fn foo() -> impl Default + Copy { + if false { + let x = Default::default(); + // add `Subtype(?x, ?y)` obligation + let y = x; + + // Make a tuple `(?x, ?y)` and equate it with `(impl Default, u32)`. + // For us to try and prove a `Subtype(impl Default, u32)` obligation, + // we have to instantiate both `?x` and `?y` without any + // `select_where_possible` calls inbetween. + let mut tup = &mut (x, y); + let assign_tup = &mut (foo(), 1u32); + tup = assign_tup; } + 1u32 } fn main() {} diff --git a/tests/ui/impl-trait/lazy_subtyping_of_opaques.stderr b/tests/ui/impl-trait/lazy_subtyping_of_opaques.stderr deleted file mode 100644 index 2f8c957c2c7d..000000000000 --- a/tests/ui/impl-trait/lazy_subtyping_of_opaques.stderr +++ /dev/null @@ -1,21 +0,0 @@ -error[E0277]: the trait bound `Either + Clone + '_> + Clone + '_, fn(impl AsRef<[u8]> + Clone + '_) -> Either + Clone + '_, _> {Either:: + Clone + '_, _>::Left}>, fn(Either + Clone + '_, _>) -> Either + Clone + '_, _>, Either<[{integer}; 1], [{integer}; 1]>> {Either:: + Clone + '_, _>, Either<[{integer}; 1], [{integer}; 1]>>::Left}>, _>, std::iter::Chain + Clone + '_, _>, Either<[{integer}; 1], [{integer}; 1]>>>, Map, fn([{integer}; 1]) -> Either<[{integer}; 1], [{integer}; 1]> {Either::<[{integer}; 1], [{integer}; 1]>::Right}>, fn(Either<[{integer}; 1], [{integer}; 1]>) -> Either + Clone + '_, _>, Either<[{integer}; 1], [{integer}; 1]>> {Either:: + Clone + '_, _>, Either<[{integer}; 1], [{integer}; 1]>>::Right}>>>: Clone` is not satisfied - --> $DIR/lazy_subtyping_of_opaques.rs:30:10 - | -LL | ) -> impl Iterator + Clone + 'a> + Clone + 'a { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `Either + Clone + '_> + Clone + '_, fn(impl AsRef<[u8]> + Clone + '_) -> Either + Clone + '_, _> {Either:: + Clone + '_, _>::Left}>, fn(Either + Clone + '_, _>) -> Either + Clone + '_, _>, Either<[{integer}; 1], [{integer}; 1]>> {Either:: + Clone + '_, _>, Either<[{integer}; 1], [{integer}; 1]>>::Left}>, _>, std::iter::Chain + Clone + '_, _>, Either<[{integer}; 1], [{integer}; 1]>>>, Map, fn([{integer}; 1]) -> Either<[{integer}; 1], [{integer}; 1]> {Either::<[{integer}; 1], [{integer}; 1]>::Right}>, fn(Either<[{integer}; 1], [{integer}; 1]>) -> Either + Clone + '_, _>, Either<[{integer}; 1], [{integer}; 1]>> {Either:: + Clone + '_, _>, Either<[{integer}; 1], [{integer}; 1]>>::Right}>>>` - -error[E0277]: the trait bound `Either + Clone + '_, _>, Either<[{integer}; 1], [{integer}; 1]>>: AsRef<[u8]>` is not satisfied - --> $DIR/lazy_subtyping_of_opaques.rs:30:31 - | -LL | ) -> impl Iterator + Clone + 'a> + Clone + 'a { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `AsRef<[u8]>` is not implemented for `Either + Clone + '_, _>, Either<[{integer}; 1], [{integer}; 1]>>` - -error[E0277]: the trait bound `Either + Clone + '_, _>, Either<[{integer}; 1], [{integer}; 1]>>: Clone` is not satisfied - --> $DIR/lazy_subtyping_of_opaques.rs:30:31 - | -LL | ) -> impl Iterator + Clone + 'a> + Clone + 'a { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `Either + Clone + '_, _>, Either<[{integer}; 1], [{integer}; 1]>>` - -error: aborting due to 3 previous errors - -For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/type-alias-impl-trait/lazy_subtyping_of_opaques.rs b/tests/ui/type-alias-impl-trait/lazy_subtyping_of_opaques.rs index 72a90287e374..1bc352041a57 100644 --- a/tests/ui/type-alias-impl-trait/lazy_subtyping_of_opaques.rs +++ b/tests/ui/type-alias-impl-trait/lazy_subtyping_of_opaques.rs @@ -7,9 +7,10 @@ type Tait = impl FnOnce() -> (); fn reify_as_tait() -> Thunk { + //~^ ERROR: expected a `FnOnce()` closure, found `()` Thunk::new(|cont| cont) //~^ ERROR: mismatched types - //~| ERROR: mismatched types + //~| ERROR: expected a `FnOnce()` closure, found `()` } struct Thunk(F); diff --git a/tests/ui/type-alias-impl-trait/lazy_subtyping_of_opaques.stderr b/tests/ui/type-alias-impl-trait/lazy_subtyping_of_opaques.stderr index 5a35dc27446c..7bc2fa1b09ea 100644 --- a/tests/ui/type-alias-impl-trait/lazy_subtyping_of_opaques.stderr +++ b/tests/ui/type-alias-impl-trait/lazy_subtyping_of_opaques.stderr @@ -1,26 +1,31 @@ -error[E0308]: mismatched types - --> $DIR/lazy_subtyping_of_opaques.rs:10:23 +error[E0277]: expected a `FnOnce()` closure, found `()` + --> $DIR/lazy_subtyping_of_opaques.rs:11:23 | -LL | type Tait = impl FnOnce() -> (); - | ------------------- the found opaque type -... LL | Thunk::new(|cont| cont) - | ^^^^ expected `()`, found opaque type + | ^^^^ expected an `FnOnce()` closure, found `()` | - = note: expected unit type `()` - found opaque type `Tait` + = help: the trait `FnOnce()` is not implemented for `()` + = note: wrap the `()` in a closure with no arguments: `|| { /* code */ }` -error[E0308]: mismatched types - --> $DIR/lazy_subtyping_of_opaques.rs:10:5 +error[E0277]: expected a `FnOnce()` closure, found `()` + --> $DIR/lazy_subtyping_of_opaques.rs:9:23 | LL | fn reify_as_tait() -> Thunk { - | ----------- expected `Thunk<_>` because of return type + | ^^^^^^^^^^^ expected an `FnOnce()` closure, found `()` + | + = help: the trait `FnOnce()` is not implemented for `()` + = note: wrap the `()` in a closure with no arguments: `|| { /* code */ }` + +error[E0308]: mismatched types + --> $DIR/lazy_subtyping_of_opaques.rs:11:5 + | LL | Thunk::new(|cont| cont) | ^^^^^^^^^^^^^^^^^^^^^^^ expected `Thunk<_>`, found `()` | = note: expected struct `Thunk<_>` found unit type `()` -error: aborting due to 2 previous errors +error: aborting due to 3 previous errors -For more information about this error, try `rustc --explain E0308`. +Some errors have detailed explanations: E0277, E0308. +For more information about an error, try `rustc --explain E0277`. From 393dea8bc3796a4513477813de1fef99c4fa44a9 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Fri, 14 Jun 2024 11:07:08 +0000 Subject: [PATCH 1693/1716] Allow tracing through item_bounds query invocations on opaques Previously these caused cycles when printing the result --- compiler/rustc_hir_analysis/src/collect/item_bounds.rs | 2 +- compiler/rustc_query_impl/src/plumbing.rs | 4 +++- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/compiler/rustc_hir_analysis/src/collect/item_bounds.rs b/compiler/rustc_hir_analysis/src/collect/item_bounds.rs index 50c93e9f1d7e..94d6e13d751f 100644 --- a/compiler/rustc_hir_analysis/src/collect/item_bounds.rs +++ b/compiler/rustc_hir_analysis/src/collect/item_bounds.rs @@ -59,7 +59,7 @@ fn associated_type_bounds<'tcx>( /// impl trait it isn't possible to write a suitable predicate on the /// containing function and for type-alias impl trait we don't have a backwards /// compatibility issue. -#[instrument(level = "trace", skip(tcx), ret)] +#[instrument(level = "trace", skip(tcx, item_ty))] fn opaque_type_bounds<'tcx>( tcx: TyCtxt<'tcx>, opaque_def_id: LocalDefId, diff --git a/compiler/rustc_query_impl/src/plumbing.rs b/compiler/rustc_query_impl/src/plumbing.rs index 86531bd95900..62e393772147 100644 --- a/compiler/rustc_query_impl/src/plumbing.rs +++ b/compiler/rustc_query_impl/src/plumbing.rs @@ -620,7 +620,9 @@ macro_rules! define_queries { tcx, { let ret = call_provider!([$($modifiers)*][tcx, $name, key]); - tracing::trace!(?ret); + rustc_middle::ty::print::with_reduced_queries!({ + tracing::trace!(?ret); + }); ret } ) From 56cd30104a0723cb2d74e9f48ad260414f1201fc Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Thu, 13 Jun 2024 10:54:15 +0000 Subject: [PATCH 1694/1716] Change a `DefineOpaqueTypes::No` to `Yes` in diagnostics code --- compiler/rustc_hir_typeck/src/method/probe.rs | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/compiler/rustc_hir_typeck/src/method/probe.rs b/compiler/rustc_hir_typeck/src/method/probe.rs index 3986374a343f..47ea221d1a11 100644 --- a/compiler/rustc_hir_typeck/src/method/probe.rs +++ b/compiler/rustc_hir_typeck/src/method/probe.rs @@ -1357,6 +1357,8 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { traits::SelectionContext::new(self).select(&obligation) } + /// Used for ambiguous method call error reporting. Uses probing that throws away the result internally, + /// so do not use to make a decision that may lead to a successful compilation. fn candidate_source(&self, candidate: &Candidate<'tcx>, self_ty: Ty<'tcx>) -> CandidateSource { match candidate.kind { InherentImplCandidate(_) => { @@ -1370,8 +1372,10 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { self.instantiate_binder_with_fresh_vars(self.span, infer::FnCall, trait_ref); let (xform_self_ty, _) = self.xform_self_ty(candidate.item, trait_ref.self_ty(), trait_ref.args); + // Guide the trait selection to show impls that have methods whose type matches + // up with the `self` parameter of the method. let _ = self.at(&ObligationCause::dummy(), self.param_env).sup( - DefineOpaqueTypes::No, + DefineOpaqueTypes::Yes, xform_self_ty, self_ty, ); From 219389360c0b20cd6b980072e08723b91fea2c9b Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Tue, 18 Jun 2024 21:32:50 +1000 Subject: [PATCH 1695/1716] Add a comment. Something that was non-obvious to me. --- compiler/rustc_ast/src/ast.rs | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/compiler/rustc_ast/src/ast.rs b/compiler/rustc_ast/src/ast.rs index 9cb193b4a678..ca7f0363fa7c 100644 --- a/compiler/rustc_ast/src/ast.rs +++ b/compiler/rustc_ast/src/ast.rs @@ -972,7 +972,9 @@ impl UnOp { } } -/// A statement +/// A statement. No `attrs` or `tokens` fields because each `StmtKind` variant +/// contains an AST node with those fields. (Except for `StmtKind::Empty`, +/// which never has attrs or tokens) #[derive(Clone, Encodable, Decodable, Debug)] pub struct Stmt { pub id: NodeId, From 1fbb3eca67032721e6f286e2a6f20da1b5659cc5 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 19 Jun 2024 10:12:37 +1000 Subject: [PATCH 1696/1716] Expand another comment. --- compiler/rustc_parse/src/parser/attr_wrapper.rs | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/compiler/rustc_parse/src/parser/attr_wrapper.rs b/compiler/rustc_parse/src/parser/attr_wrapper.rs index 62c8f9f5dacb..042ee21e3f7c 100644 --- a/compiler/rustc_parse/src/parser/attr_wrapper.rs +++ b/compiler/rustc_parse/src/parser/attr_wrapper.rs @@ -15,7 +15,7 @@ use std::ops::Range; /// for the attribute target. This allows us to perform cfg-expansion on /// a token stream before we invoke a derive proc-macro. /// -/// This wrapper prevents direct access to the underlying `ast::AttrVec>`. +/// This wrapper prevents direct access to the underlying `ast::AttrVec`. /// Parsing code can only get access to the underlying attributes /// by passing an `AttrWrapper` to `collect_tokens_trailing_tokens`. /// This makes it difficult to accidentally construct an AST node @@ -177,6 +177,10 @@ impl<'a> Parser<'a> { /// into a `LazyAttrTokenStream`, and returned along with the result /// of the callback. /// + /// The `attrs` passed in are in `AttrWrapper` form, which is opaque. The + /// `AttrVec` within is passed to `f`. See the comment on `AttrWrapper` for + /// details. + /// /// Note: If your callback consumes an opening delimiter /// (including the case where you call `collect_tokens` /// when the current token is an opening delimiter), From 1c28229ada005ed899f8ce71315baaa5420e1ed6 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Tue, 18 Jun 2024 20:00:45 +1000 Subject: [PATCH 1697/1716] Simplify `Parser::parse_expr_dot_or_call`. The call in `parse_expr_prefix` for the `++` case passes an empty `attrs`, but it doesn' need to. This commit changes it to pass the parsed `attrs`, which doesn't change any behaviour. As a result, `parse_expr_dot_or_call` no longer needs an `Option` argument, and no longer needs to call `parse_or_use_outer_attributes`. --- compiler/rustc_parse/src/parser/expr.rs | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs index e15d6ab2123a..cdeb29118994 100644 --- a/compiler/rustc_parse/src/parser/expr.rs +++ b/compiler/rustc_parse/src/parser/expr.rs @@ -629,7 +629,7 @@ impl<'a> Parser<'a> { this.bump(); this.bump(); - let operand_expr = this.parse_expr_dot_or_call(Default::default())?; + let operand_expr = this.parse_expr_dot_or_call(attrs)?; this.recover_from_prefix_increment(operand_expr, pre_span, starts_stmt) } token::Ident(..) if this.token.is_keyword(kw::Box) => { @@ -638,7 +638,7 @@ impl<'a> Parser<'a> { token::Ident(..) if this.may_recover() && this.is_mistaken_not_ident_negation() => { make_it!(this, attrs, |this, _| this.recover_not_expr(lo)) } - _ => return this.parse_expr_dot_or_call(Some(attrs)), + _ => return this.parse_expr_dot_or_call(attrs), } } @@ -927,8 +927,7 @@ impl<'a> Parser<'a> { } /// Parses `a.b` or `a(13)` or `a[4]` or just `a`. - fn parse_expr_dot_or_call(&mut self, attrs: Option) -> PResult<'a, P> { - let attrs = self.parse_or_use_outer_attributes(attrs)?; + fn parse_expr_dot_or_call(&mut self, attrs: AttrWrapper) -> PResult<'a, P> { self.collect_tokens_for_expr(attrs, |this, attrs| { let base = this.parse_expr_bottom()?; let span = this.interpolated_or_expr_span(&base); From 42e47dfe8251c8356c409485d66164b6fceb03c6 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Tue, 18 Jun 2024 20:21:05 +1000 Subject: [PATCH 1698/1716] Remove `From` impls for `LhsExpr`. The `Option` one maps to the first two variants, and the `P` one maps to the third. Weird. The code is shorter and clearer without them. --- compiler/rustc_parse/src/parser/expr.rs | 28 +++++++------------------ compiler/rustc_parse/src/parser/pat.rs | 7 +++---- 2 files changed, 10 insertions(+), 25 deletions(-) diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs index cdeb29118994..a0f57ffecfa6 100644 --- a/compiler/rustc_parse/src/parser/expr.rs +++ b/compiler/rustc_parse/src/parser/expr.rs @@ -75,25 +75,6 @@ pub(super) enum LhsExpr { AlreadyParsed { expr: P, starts_statement: bool }, } -impl From> for LhsExpr { - /// Converts `Some(attrs)` into `LhsExpr::AttributesParsed(attrs)` - /// and `None` into `LhsExpr::NotYetParsed`. - /// - /// This conversion does not allocate. - fn from(o: Option) -> Self { - if let Some(attrs) = o { LhsExpr::AttributesParsed(attrs) } else { LhsExpr::NotYetParsed } - } -} - -impl From> for LhsExpr { - /// Converts the `expr: P` into `LhsExpr::AlreadyParsed { expr, starts_statement: false }`. - /// - /// This conversion does not allocate. - fn from(expr: P) -> Self { - LhsExpr::AlreadyParsed { expr, starts_statement: false } - } -} - #[derive(Debug)] enum DestructuredFloat { /// 1e2 @@ -166,7 +147,11 @@ impl<'a> Parser<'a> { &mut self, already_parsed_attrs: Option, ) -> PResult<'a, P> { - self.parse_expr_assoc_with(0, already_parsed_attrs.into()) + let lhs = match already_parsed_attrs { + Some(attrs) => LhsExpr::AttributesParsed(attrs), + None => LhsExpr::NotYetParsed, + }; + self.parse_expr_assoc_with(0, lhs) } /// Parses an associative expression with operators of at least `min_prec` precedence. @@ -2660,7 +2645,8 @@ impl<'a> Parser<'a> { } else { self.expect(&token::Eq)?; } - let expr = self.parse_expr_assoc_with(1 + prec_let_scrutinee_needs_par(), None.into())?; + let expr = + self.parse_expr_assoc_with(1 + prec_let_scrutinee_needs_par(), LhsExpr::NotYetParsed)?; let span = lo.to(expr.span); Ok(self.mk_expr(span, ExprKind::Let(pat, expr, span, recovered))) } diff --git a/compiler/rustc_parse/src/parser/pat.rs b/compiler/rustc_parse/src/parser/pat.rs index 8af415f7c9dd..a3efecffcc65 100644 --- a/compiler/rustc_parse/src/parser/pat.rs +++ b/compiler/rustc_parse/src/parser/pat.rs @@ -10,7 +10,7 @@ use crate::errors::{ UnexpectedParenInRangePatSugg, UnexpectedVertVertBeforeFunctionParam, UnexpectedVertVertInPattern, }; -use crate::parser::expr::could_be_unclosed_char_literal; +use crate::parser::expr::{could_be_unclosed_char_literal, LhsExpr}; use crate::{maybe_recover_from_interpolated_ty_qpath, maybe_whole}; use rustc_ast::mut_visit::{noop_visit_pat, MutVisitor}; use rustc_ast::ptr::P; @@ -398,9 +398,8 @@ impl<'a> Parser<'a> { // Parse an associative expression such as `+ expr`, `% expr`, ... // Assignements, ranges and `|` are disabled by [`Restrictions::IS_PAT`]. - if let Ok(expr) = - snapshot.parse_expr_assoc_with(0, expr.into()).map_err(|err| err.cancel()) - { + let lhs = LhsExpr::AlreadyParsed { expr, starts_statement: false }; + if let Ok(expr) = snapshot.parse_expr_assoc_with(0, lhs).map_err(|err| err.cancel()) { // We got a valid expression. self.restore_snapshot(snapshot); self.restrictions.remove(Restrictions::IS_PAT); From 25523ba382037494e8f8f17779a5f1c72f6bddb2 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Tue, 18 Jun 2024 20:40:27 +1000 Subject: [PATCH 1699/1716] Refactor `LhsExpr`. Combine `NotYetParsed` and `AttributesParsed` into a single variant, because (a) that reflects the structure of the code that consumes `LhsExpr`, and (b) because that variant will have the `Option` removed in a later commit. --- compiler/rustc_parse/src/parser/expr.rs | 67 +++++++++++++------------ compiler/rustc_parse/src/parser/pat.rs | 2 +- compiler/rustc_parse/src/parser/stmt.rs | 11 ++-- 3 files changed, 38 insertions(+), 42 deletions(-) diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs index a0f57ffecfa6..eb3421cfee4a 100644 --- a/compiler/rustc_parse/src/parser/expr.rs +++ b/compiler/rustc_parse/src/parser/expr.rs @@ -70,9 +70,10 @@ macro_rules! maybe_whole_expr { #[derive(Debug)] pub(super) enum LhsExpr { - NotYetParsed, - AttributesParsed(AttrWrapper), - AlreadyParsed { expr: P, starts_statement: bool }, + // Already parsed either (a) nothing or (b) just the outer attributes. + Unparsed { attrs: Option }, + // Already parsed the expression. + Parsed { expr: P, starts_statement: bool }, } #[derive(Debug)] @@ -133,9 +134,9 @@ impl<'a> Parser<'a> { pub(super) fn parse_expr_res( &mut self, r: Restrictions, - already_parsed_attrs: Option, + attrs: Option, ) -> PResult<'a, P> { - self.with_res(r, |this| this.parse_expr_assoc(already_parsed_attrs)) + self.with_res(r, |this| this.parse_expr_assoc(attrs)) } /// Parses an associative expression. @@ -143,15 +144,8 @@ impl<'a> Parser<'a> { /// This parses an expression accounting for associativity and precedence of the operators in /// the expression. #[inline] - fn parse_expr_assoc( - &mut self, - already_parsed_attrs: Option, - ) -> PResult<'a, P> { - let lhs = match already_parsed_attrs { - Some(attrs) => LhsExpr::AttributesParsed(attrs), - None => LhsExpr::NotYetParsed, - }; - self.parse_expr_assoc_with(0, lhs) + fn parse_expr_assoc(&mut self, attrs: Option) -> PResult<'a, P> { + self.parse_expr_assoc_with(0, LhsExpr::Unparsed { attrs }) } /// Parses an associative expression with operators of at least `min_prec` precedence. @@ -161,18 +155,17 @@ impl<'a> Parser<'a> { lhs: LhsExpr, ) -> PResult<'a, P> { let mut starts_stmt = false; - let mut lhs = if let LhsExpr::AlreadyParsed { expr, starts_statement } = lhs { - starts_stmt = starts_statement; - expr - } else { - let attrs = match lhs { - LhsExpr::AttributesParsed(attrs) => Some(attrs), - _ => None, - }; - if self.token.is_range_separator() { - return self.parse_expr_prefix_range(attrs); - } else { - self.parse_expr_prefix(attrs)? + let mut lhs = match lhs { + LhsExpr::Parsed { expr, starts_statement } => { + starts_stmt = starts_statement; + expr + } + LhsExpr::Unparsed { attrs } => { + if self.token.is_range_separator() { + return self.parse_expr_prefix_range(attrs); + } else { + self.parse_expr_prefix(attrs)? + } } }; @@ -310,7 +303,10 @@ impl<'a> Parser<'a> { Fixity::None => 1, }; let rhs = self.with_res(restrictions - Restrictions::STMT_EXPR, |this| { - this.parse_expr_assoc_with(prec + prec_adjustment, LhsExpr::NotYetParsed) + this.parse_expr_assoc_with( + prec + prec_adjustment, + LhsExpr::Unparsed { attrs: None }, + ) })?; let span = self.mk_expr_sp(&lhs, lhs_span, rhs.span); @@ -484,7 +480,7 @@ impl<'a> Parser<'a> { let rhs = if self.is_at_start_of_range_notation_rhs() { let maybe_lt = self.token.clone(); Some( - self.parse_expr_assoc_with(prec + 1, LhsExpr::NotYetParsed) + self.parse_expr_assoc_with(prec + 1, LhsExpr::Unparsed { attrs: None }) .map_err(|err| self.maybe_err_dotdotlt_syntax(maybe_lt, err))?, ) } else { @@ -539,9 +535,12 @@ impl<'a> Parser<'a> { this.bump(); let (span, opt_end) = if this.is_at_start_of_range_notation_rhs() { // RHS must be parsed with more associativity than the dots. - this.parse_expr_assoc_with(op.unwrap().precedence() + 1, LhsExpr::NotYetParsed) - .map(|x| (lo.to(x.span), Some(x))) - .map_err(|err| this.maybe_err_dotdotlt_syntax(maybe_lt, err))? + this.parse_expr_assoc_with( + op.unwrap().precedence() + 1, + LhsExpr::Unparsed { attrs: None }, + ) + .map(|x| (lo.to(x.span), Some(x))) + .map_err(|err| this.maybe_err_dotdotlt_syntax(maybe_lt, err))? } else { (lo, None) }; @@ -2645,8 +2644,10 @@ impl<'a> Parser<'a> { } else { self.expect(&token::Eq)?; } - let expr = - self.parse_expr_assoc_with(1 + prec_let_scrutinee_needs_par(), LhsExpr::NotYetParsed)?; + let expr = self.parse_expr_assoc_with( + 1 + prec_let_scrutinee_needs_par(), + LhsExpr::Unparsed { attrs: None }, + )?; let span = lo.to(expr.span); Ok(self.mk_expr(span, ExprKind::Let(pat, expr, span, recovered))) } diff --git a/compiler/rustc_parse/src/parser/pat.rs b/compiler/rustc_parse/src/parser/pat.rs index a3efecffcc65..921e71a1f964 100644 --- a/compiler/rustc_parse/src/parser/pat.rs +++ b/compiler/rustc_parse/src/parser/pat.rs @@ -398,7 +398,7 @@ impl<'a> Parser<'a> { // Parse an associative expression such as `+ expr`, `% expr`, ... // Assignements, ranges and `|` are disabled by [`Restrictions::IS_PAT`]. - let lhs = LhsExpr::AlreadyParsed { expr, starts_statement: false }; + let lhs = LhsExpr::Parsed { expr, starts_statement: false }; if let Ok(expr) = snapshot.parse_expr_assoc_with(0, lhs).map_err(|err| err.cancel()) { // We got a valid expression. self.restore_snapshot(snapshot); diff --git a/compiler/rustc_parse/src/parser/stmt.rs b/compiler/rustc_parse/src/parser/stmt.rs index 104aae9b257e..8684f2ed829d 100644 --- a/compiler/rustc_parse/src/parser/stmt.rs +++ b/compiler/rustc_parse/src/parser/stmt.rs @@ -174,10 +174,7 @@ impl<'a> Parser<'a> { // Perform this outside of the `collect_tokens_trailing_token` closure, // since our outer attributes do not apply to this part of the expression let expr = self.with_res(Restrictions::STMT_EXPR, |this| { - this.parse_expr_assoc_with( - 0, - LhsExpr::AlreadyParsed { expr, starts_statement: true }, - ) + this.parse_expr_assoc_with(0, LhsExpr::Parsed { expr, starts_statement: true }) })?; Ok(self.mk_stmt(lo.to(self.prev_token.span), StmtKind::Expr(expr))) } else { @@ -210,10 +207,8 @@ impl<'a> Parser<'a> { let e = self.mk_expr(lo.to(hi), ExprKind::MacCall(mac)); let e = self.maybe_recover_from_bad_qpath(e)?; let e = self.parse_expr_dot_or_call_with(e, lo, attrs)?; - let e = self.parse_expr_assoc_with( - 0, - LhsExpr::AlreadyParsed { expr: e, starts_statement: false }, - )?; + let e = self + .parse_expr_assoc_with(0, LhsExpr::Parsed { expr: e, starts_statement: false })?; StmtKind::Expr(e) }; Ok(self.mk_stmt(lo.to(hi), kind)) From ead0a45202af9cefb9607a621d27da4927700229 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 19 Jun 2024 10:34:05 +1000 Subject: [PATCH 1700/1716] Inline and remove `parse_expr_assoc`. It has a single call site. --- compiler/rustc_parse/src/parser/expr.rs | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-) diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs index eb3421cfee4a..272067dca872 100644 --- a/compiler/rustc_parse/src/parser/expr.rs +++ b/compiler/rustc_parse/src/parser/expr.rs @@ -136,16 +136,7 @@ impl<'a> Parser<'a> { r: Restrictions, attrs: Option, ) -> PResult<'a, P> { - self.with_res(r, |this| this.parse_expr_assoc(attrs)) - } - - /// Parses an associative expression. - /// - /// This parses an expression accounting for associativity and precedence of the operators in - /// the expression. - #[inline] - fn parse_expr_assoc(&mut self, attrs: Option) -> PResult<'a, P> { - self.parse_expr_assoc_with(0, LhsExpr::Unparsed { attrs }) + self.with_res(r, |this| this.parse_expr_assoc_with(0, LhsExpr::Unparsed { attrs })) } /// Parses an associative expression with operators of at least `min_prec` precedence. From 802779f77ddaac18865e5e52e01c5e4d122e9090 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 19 Jun 2024 14:41:01 +1000 Subject: [PATCH 1701/1716] Move `parse_or_use_outer_attributes` out of `parse_expr_prefix`. This eliminates one `Option` argument. --- compiler/rustc_parse/src/parser/expr.rs | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs index 272067dca872..e96b97da9fdf 100644 --- a/compiler/rustc_parse/src/parser/expr.rs +++ b/compiler/rustc_parse/src/parser/expr.rs @@ -155,6 +155,7 @@ impl<'a> Parser<'a> { if self.token.is_range_separator() { return self.parse_expr_prefix_range(attrs); } else { + let attrs = self.parse_or_use_outer_attributes(attrs)?; self.parse_expr_prefix(attrs)? } } @@ -541,8 +542,7 @@ impl<'a> Parser<'a> { } /// Parses a prefix-unary-operator expr. - fn parse_expr_prefix(&mut self, attrs: Option) -> PResult<'a, P> { - let attrs = self.parse_or_use_outer_attributes(attrs)?; + fn parse_expr_prefix(&mut self, attrs: AttrWrapper) -> PResult<'a, P> { let lo = self.token.span; macro_rules! make_it { @@ -591,7 +591,8 @@ impl<'a> Parser<'a> { this.dcx().emit_err(err); this.bump(); - this.parse_expr_prefix(None) + let attrs = this.parse_outer_attributes()?; + this.parse_expr_prefix(attrs) } // Recover from `++x`: token::BinOp(token::Plus) @@ -619,7 +620,8 @@ impl<'a> Parser<'a> { fn parse_expr_prefix_common(&mut self, lo: Span) -> PResult<'a, (Span, P)> { self.bump(); - let expr = self.parse_expr_prefix(None)?; + let attrs = self.parse_outer_attributes()?; + let expr = self.parse_expr_prefix(attrs)?; let span = self.interpolated_or_expr_span(&expr); Ok((lo.to(span), expr)) } @@ -872,7 +874,8 @@ impl<'a> Parser<'a> { let expr = if self.token.is_range_separator() { self.parse_expr_prefix_range(None) } else { - self.parse_expr_prefix(None) + let attrs = self.parse_outer_attributes()?; + self.parse_expr_prefix(attrs) }?; let hi = self.interpolated_or_expr_span(&expr); let span = lo.to(hi); From aaa220e8757d1d2bb3a7b4742db9e289c8454dc2 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 19 Jun 2024 15:37:31 +1000 Subject: [PATCH 1702/1716] Move `parse_or_use_outer_attributes` out of `parse_expr_prefix_range`. This eliminates another `Option` argument and changes one obscure error message. --- compiler/rustc_parse/messages.ftl | 2 ++ compiler/rustc_parse/src/errors.rs | 7 +++++++ compiler/rustc_parse/src/parser/expr.rs | 19 ++++++++++--------- .../attribute/attr-stmt-expr-attr-bad.rs | 4 ++-- .../attribute/attr-stmt-expr-attr-bad.stderr | 8 ++++---- 5 files changed, 25 insertions(+), 15 deletions(-) diff --git a/compiler/rustc_parse/messages.ftl b/compiler/rustc_parse/messages.ftl index f678d11213c7..efb9526eabcf 100644 --- a/compiler/rustc_parse/messages.ftl +++ b/compiler/rustc_parse/messages.ftl @@ -133,6 +133,8 @@ parse_dot_dot_dot_for_remaining_fields = expected field pattern, found `{$token_ parse_dot_dot_dot_range_to_pattern_not_allowed = range-to patterns with `...` are not allowed .suggestion = use `..=` instead +parse_dot_dot_range_attribute = attributes are not allowed on range expressions starting with `..` + parse_dotdotdot = unexpected token: `...` .suggest_exclusive_range = use `..` for an exclusive range .suggest_inclusive_range = or `..=` for an inclusive range diff --git a/compiler/rustc_parse/src/errors.rs b/compiler/rustc_parse/src/errors.rs index 6c1fcbe06fc5..f0ef1112f9e3 100644 --- a/compiler/rustc_parse/src/errors.rs +++ b/compiler/rustc_parse/src/errors.rs @@ -2989,3 +2989,10 @@ pub(crate) struct ExprRArrowCall { #[suggestion(style = "short", applicability = "machine-applicable", code = ".")] pub span: Span, } + +#[derive(Diagnostic)] +#[diag(parse_dot_dot_range_attribute)] +pub(crate) struct DotDotRangeAttribute { + #[primary_span] + pub span: Span, +} diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs index e96b97da9fdf..ab3f8a5dbeb8 100644 --- a/compiler/rustc_parse/src/parser/expr.rs +++ b/compiler/rustc_parse/src/parser/expr.rs @@ -152,10 +152,10 @@ impl<'a> Parser<'a> { expr } LhsExpr::Unparsed { attrs } => { + let attrs = self.parse_or_use_outer_attributes(attrs)?; if self.token.is_range_separator() { return self.parse_expr_prefix_range(attrs); } else { - let attrs = self.parse_or_use_outer_attributes(attrs)?; self.parse_expr_prefix(attrs)? } } @@ -499,7 +499,12 @@ impl<'a> Parser<'a> { } /// Parses prefix-forms of range notation: `..expr`, `..`, `..=expr`. - fn parse_expr_prefix_range(&mut self, attrs: Option) -> PResult<'a, P> { + fn parse_expr_prefix_range(&mut self, attrs: AttrWrapper) -> PResult<'a, P> { + if !attrs.is_empty() { + let err = errors::DotDotRangeAttribute { span: self.token.span }; + self.dcx().emit_err(err); + } + // Check for deprecated `...` syntax. if self.token == token::DotDotDot { self.err_dotdotdot_syntax(self.token.span); @@ -516,11 +521,7 @@ impl<'a> Parser<'a> { _ => RangeLimits::Closed, }; let op = AssocOp::from_token(&self.token); - // FIXME: `parse_prefix_range_expr` is called when the current - // token is `DotDot`, `DotDotDot`, or `DotDotEq`. If we haven't already - // parsed attributes, then trying to parse them here will always fail. - // We should figure out how we want attributes on range expressions to work. - let attrs = self.parse_or_use_outer_attributes(attrs)?; + let attrs = self.parse_outer_attributes()?; self.collect_tokens_for_expr(attrs, |this, attrs| { let lo = this.token.span; let maybe_lt = this.look_ahead(1, |t| t.clone()); @@ -871,10 +872,10 @@ impl<'a> Parser<'a> { let has_lifetime = self.token.is_lifetime() && self.look_ahead(1, |t| t != &token::Colon); let lifetime = has_lifetime.then(|| self.expect_lifetime()); // For recovery, see below. let (borrow_kind, mutbl) = self.parse_borrow_modifiers(lo); + let attrs = self.parse_outer_attributes()?; let expr = if self.token.is_range_separator() { - self.parse_expr_prefix_range(None) + self.parse_expr_prefix_range(attrs) } else { - let attrs = self.parse_outer_attributes()?; self.parse_expr_prefix(attrs) }?; let hi = self.interpolated_or_expr_span(&expr); diff --git a/tests/ui/parser/attribute/attr-stmt-expr-attr-bad.rs b/tests/ui/parser/attribute/attr-stmt-expr-attr-bad.rs index d1950087c4c2..26761a1d2544 100644 --- a/tests/ui/parser/attribute/attr-stmt-expr-attr-bad.rs +++ b/tests/ui/parser/attribute/attr-stmt-expr-attr-bad.rs @@ -28,9 +28,9 @@ fn main() {} #[cfg(FALSE)] fn e() { let _ = move || #![attr] {foo}; } //~^ ERROR an inner attribute is not permitted in this context #[cfg(FALSE)] fn e() { let _ = #[attr] ..#[attr] 0; } -//~^ ERROR expected expression, found `..` +//~^ ERROR attributes are not allowed on range expressions starting with `..` #[cfg(FALSE)] fn e() { let _ = #[attr] ..; } -//~^ ERROR expected expression, found `..` +//~^ ERROR attributes are not allowed on range expressions starting with `..` #[cfg(FALSE)] fn e() { let _ = #[attr] &#![attr] 0; } //~^ ERROR an inner attribute is not permitted in this context #[cfg(FALSE)] fn e() { let _ = #[attr] &mut #![attr] 0; } diff --git a/tests/ui/parser/attribute/attr-stmt-expr-attr-bad.stderr b/tests/ui/parser/attribute/attr-stmt-expr-attr-bad.stderr index e46c591080d4..3593c5182ce9 100644 --- a/tests/ui/parser/attribute/attr-stmt-expr-attr-bad.stderr +++ b/tests/ui/parser/attribute/attr-stmt-expr-attr-bad.stderr @@ -119,17 +119,17 @@ LL | #[cfg(FALSE)] fn e() { let _ = move || #![attr] {foo}; } = note: inner attributes, like `#![no_std]`, annotate the item enclosing them, and are usually found at the beginning of source files = note: outer attributes, like `#[test]`, annotate the item following them -error: expected expression, found `..` +error: attributes are not allowed on range expressions starting with `..` --> $DIR/attr-stmt-expr-attr-bad.rs:30:40 | LL | #[cfg(FALSE)] fn e() { let _ = #[attr] ..#[attr] 0; } - | ^^ expected expression + | ^^ -error: expected expression, found `..` +error: attributes are not allowed on range expressions starting with `..` --> $DIR/attr-stmt-expr-attr-bad.rs:32:40 | LL | #[cfg(FALSE)] fn e() { let _ = #[attr] ..; } - | ^^ expected expression + | ^^ error: an inner attribute is not permitted in this context --> $DIR/attr-stmt-expr-attr-bad.rs:34:41 From 43eae4cef4f4e519641e0f0a3915b8023db92f00 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 19 Jun 2024 16:06:16 +1000 Subject: [PATCH 1703/1716] Simplify `LhsExpr::Unparsed`. By making the `AttrWrapper` non-optional. --- compiler/rustc_parse/src/parser/expr.rs | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs index ab3f8a5dbeb8..aea04ceca914 100644 --- a/compiler/rustc_parse/src/parser/expr.rs +++ b/compiler/rustc_parse/src/parser/expr.rs @@ -70,8 +70,8 @@ macro_rules! maybe_whole_expr { #[derive(Debug)] pub(super) enum LhsExpr { - // Already parsed either (a) nothing or (b) just the outer attributes. - Unparsed { attrs: Option }, + // Already parsed just the outer attributes. + Unparsed { attrs: AttrWrapper }, // Already parsed the expression. Parsed { expr: P, starts_statement: bool }, } @@ -136,6 +136,7 @@ impl<'a> Parser<'a> { r: Restrictions, attrs: Option, ) -> PResult<'a, P> { + let attrs = self.parse_or_use_outer_attributes(attrs)?; self.with_res(r, |this| this.parse_expr_assoc_with(0, LhsExpr::Unparsed { attrs })) } @@ -152,7 +153,6 @@ impl<'a> Parser<'a> { expr } LhsExpr::Unparsed { attrs } => { - let attrs = self.parse_or_use_outer_attributes(attrs)?; if self.token.is_range_separator() { return self.parse_expr_prefix_range(attrs); } else { @@ -295,10 +295,8 @@ impl<'a> Parser<'a> { Fixity::None => 1, }; let rhs = self.with_res(restrictions - Restrictions::STMT_EXPR, |this| { - this.parse_expr_assoc_with( - prec + prec_adjustment, - LhsExpr::Unparsed { attrs: None }, - ) + let attrs = this.parse_outer_attributes()?; + this.parse_expr_assoc_with(prec + prec_adjustment, LhsExpr::Unparsed { attrs }) })?; let span = self.mk_expr_sp(&lhs, lhs_span, rhs.span); @@ -471,8 +469,9 @@ impl<'a> Parser<'a> { ) -> PResult<'a, P> { let rhs = if self.is_at_start_of_range_notation_rhs() { let maybe_lt = self.token.clone(); + let attrs = self.parse_outer_attributes()?; Some( - self.parse_expr_assoc_with(prec + 1, LhsExpr::Unparsed { attrs: None }) + self.parse_expr_assoc_with(prec + 1, LhsExpr::Unparsed { attrs }) .map_err(|err| self.maybe_err_dotdotlt_syntax(maybe_lt, err))?, ) } else { @@ -528,9 +527,10 @@ impl<'a> Parser<'a> { this.bump(); let (span, opt_end) = if this.is_at_start_of_range_notation_rhs() { // RHS must be parsed with more associativity than the dots. + let attrs = this.parse_outer_attributes()?; this.parse_expr_assoc_with( op.unwrap().precedence() + 1, - LhsExpr::Unparsed { attrs: None }, + LhsExpr::Unparsed { attrs }, ) .map(|x| (lo.to(x.span), Some(x))) .map_err(|err| this.maybe_err_dotdotlt_syntax(maybe_lt, err))? @@ -2639,9 +2639,10 @@ impl<'a> Parser<'a> { } else { self.expect(&token::Eq)?; } + let attrs = self.parse_outer_attributes()?; let expr = self.parse_expr_assoc_with( 1 + prec_let_scrutinee_needs_par(), - LhsExpr::Unparsed { attrs: None }, + LhsExpr::Unparsed { attrs }, )?; let span = lo.to(expr.span); Ok(self.mk_expr(span, ExprKind::Let(pat, expr, span, recovered))) From 8170acb197d7658505949cefc12e01dfc4c8feab Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 19 Jun 2024 16:24:21 +1000 Subject: [PATCH 1704/1716] Refactor `parse_expr_res`. This removes the final `Option` argument. --- .../rustc_parse/src/parser/diagnostics.rs | 13 ++++++-- compiler/rustc_parse/src/parser/expr.rs | 30 ++++++++++++------- compiler/rustc_parse/src/parser/mod.rs | 11 ------- compiler/rustc_parse/src/parser/path.rs | 3 +- compiler/rustc_parse/src/parser/stmt.rs | 4 +-- 5 files changed, 33 insertions(+), 28 deletions(-) diff --git a/compiler/rustc_parse/src/parser/diagnostics.rs b/compiler/rustc_parse/src/parser/diagnostics.rs index 2bb6fb53869b..17e62a8e0468 100644 --- a/compiler/rustc_parse/src/parser/diagnostics.rs +++ b/compiler/rustc_parse/src/parser/diagnostics.rs @@ -2502,7 +2502,8 @@ impl<'a> Parser<'a> { /// wrapped in braces. pub(super) fn handle_unambiguous_unbraced_const_arg(&mut self) -> PResult<'a, P> { let start = self.token.span; - let expr = self.parse_expr_res(Restrictions::CONST_EXPR, None).map_err(|mut err| { + let attrs = self.parse_outer_attributes()?; + let expr = self.parse_expr_res(Restrictions::CONST_EXPR, attrs).map_err(|mut err| { err.span_label( start.shrink_to_lo(), "while parsing a const generic argument starting here", @@ -2624,7 +2625,10 @@ impl<'a> Parser<'a> { if is_op_or_dot { self.bump(); } - match self.parse_expr_res(Restrictions::CONST_EXPR, None) { + match (|| { + let attrs = self.parse_outer_attributes()?; + self.parse_expr_res(Restrictions::CONST_EXPR, attrs) + })() { Ok(expr) => { // Find a mistake like `MyTrait`. if token::EqEq == snapshot.token.kind { @@ -2678,7 +2682,10 @@ impl<'a> Parser<'a> { &mut self, mut snapshot: SnapshotParser<'a>, ) -> Option> { - match snapshot.parse_expr_res(Restrictions::CONST_EXPR, None) { + match (|| { + let attrs = self.parse_outer_attributes()?; + snapshot.parse_expr_res(Restrictions::CONST_EXPR, attrs) + })() { // Since we don't know the exact reason why we failed to parse the type or the // expression, employ a simple heuristic to weed out some pathological cases. Ok(expr) if let token::Comma | token::Gt = snapshot.token.kind => { diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs index aea04ceca914..d27c612bbc1e 100644 --- a/compiler/rustc_parse/src/parser/expr.rs +++ b/compiler/rustc_parse/src/parser/expr.rs @@ -94,7 +94,8 @@ impl<'a> Parser<'a> { pub fn parse_expr(&mut self) -> PResult<'a, P> { self.current_closure.take(); - self.parse_expr_res(Restrictions::empty(), None) + let attrs = self.parse_outer_attributes()?; + self.parse_expr_res(Restrictions::empty(), attrs) } /// Parses an expression, forcing tokens to be collected @@ -107,7 +108,8 @@ impl<'a> Parser<'a> { } fn parse_expr_catch_underscore(&mut self, restrictions: Restrictions) -> PResult<'a, P> { - match self.parse_expr_res(restrictions, None) { + let attrs = self.parse_outer_attributes()?; + match self.parse_expr_res(restrictions, attrs) { Ok(expr) => Ok(expr), Err(err) => match self.token.ident() { Some((Ident { name: kw::Underscore, .. }, IdentIsRaw::No)) @@ -134,9 +136,8 @@ impl<'a> Parser<'a> { pub(super) fn parse_expr_res( &mut self, r: Restrictions, - attrs: Option, + attrs: AttrWrapper, ) -> PResult<'a, P> { - let attrs = self.parse_or_use_outer_attributes(attrs)?; self.with_res(r, |this| this.parse_expr_assoc_with(0, LhsExpr::Unparsed { attrs })) } @@ -2343,7 +2344,8 @@ impl<'a> Parser<'a> { self.restrictions - Restrictions::STMT_EXPR - Restrictions::ALLOW_LET; let prev = self.prev_token.clone(); let token = self.token.clone(); - match self.parse_expr_res(restrictions, None) { + let attrs = self.parse_outer_attributes()?; + match self.parse_expr_res(restrictions, attrs) { Ok(expr) => expr, Err(err) => self.recover_closure_body(err, before, prev, token, lo, decl_hi)?, } @@ -2591,8 +2593,9 @@ impl<'a> Parser<'a> { /// Parses the condition of a `if` or `while` expression. fn parse_expr_cond(&mut self) -> PResult<'a, P> { + let attrs = self.parse_outer_attributes()?; let mut cond = - self.parse_expr_res(Restrictions::NO_STRUCT_LITERAL | Restrictions::ALLOW_LET, None)?; + self.parse_expr_res(Restrictions::NO_STRUCT_LITERAL | Restrictions::ALLOW_LET, attrs)?; CondChecker::new(self).visit_expr(&mut cond); @@ -2776,7 +2779,8 @@ impl<'a> Parser<'a> { (Err(err), Some((start_span, left))) if self.eat_keyword(kw::In) => { // We know for sure we have seen `for ($SOMETHING in`. In the happy path this would // happen right before the return of this method. - let expr = match self.parse_expr_res(Restrictions::NO_STRUCT_LITERAL, None) { + let attrs = self.parse_outer_attributes()?; + let expr = match self.parse_expr_res(Restrictions::NO_STRUCT_LITERAL, attrs) { Ok(expr) => expr, Err(expr_err) => { // We don't know what followed the `in`, so cancel and bubble up the @@ -2810,7 +2814,8 @@ impl<'a> Parser<'a> { self.error_missing_in_for_loop(); } self.check_for_for_in_in_typo(self.prev_token.span); - let expr = self.parse_expr_res(Restrictions::NO_STRUCT_LITERAL, None)?; + let attrs = self.parse_outer_attributes()?; + let expr = self.parse_expr_res(Restrictions::NO_STRUCT_LITERAL, attrs)?; Ok((pat, expr)) } @@ -2922,7 +2927,8 @@ impl<'a> Parser<'a> { /// Parses a `match ... { ... }` expression (`match` token already eaten). fn parse_expr_match(&mut self) -> PResult<'a, P> { let match_span = self.prev_token.span; - let scrutinee = self.parse_expr_res(Restrictions::NO_STRUCT_LITERAL, None)?; + let attrs = self.parse_outer_attributes()?; + let scrutinee = self.parse_expr_res(Restrictions::NO_STRUCT_LITERAL, attrs)?; self.parse_match_block(match_span, match_span, scrutinee, MatchKind::Prefix) } @@ -3126,8 +3132,9 @@ impl<'a> Parser<'a> { let arrow_span = this.prev_token.span; let arm_start_span = this.token.span; + let attrs = this.parse_outer_attributes()?; let expr = - this.parse_expr_res(Restrictions::STMT_EXPR, None).map_err(|mut err| { + this.parse_expr_res(Restrictions::STMT_EXPR, attrs).map_err(|mut err| { err.span_label(arrow_span, "while parsing the `match` arm starting here"); err })?; @@ -3332,7 +3339,8 @@ impl<'a> Parser<'a> { } fn parse_match_guard_condition(&mut self) -> PResult<'a, P> { - self.parse_expr_res(Restrictions::ALLOW_LET | Restrictions::IN_IF_GUARD, None).map_err( + let attrs = self.parse_outer_attributes()?; + self.parse_expr_res(Restrictions::ALLOW_LET | Restrictions::IN_IF_GUARD, attrs).map_err( |mut err| { if self.prev_token == token::OpenDelim(Delimiter::Brace) { let sugg_sp = self.prev_token.span.shrink_to_lo(); diff --git a/compiler/rustc_parse/src/parser/mod.rs b/compiler/rustc_parse/src/parser/mod.rs index adf04fcf2241..f4cab480669b 100644 --- a/compiler/rustc_parse/src/parser/mod.rs +++ b/compiler/rustc_parse/src/parser/mod.rs @@ -1337,17 +1337,6 @@ impl<'a> Parser<'a> { }) } - fn parse_or_use_outer_attributes( - &mut self, - already_parsed_attrs: Option, - ) -> PResult<'a, AttrWrapper> { - if let Some(attrs) = already_parsed_attrs { - Ok(attrs) - } else { - self.parse_outer_attributes() - } - } - /// Parses a single token tree from the input. pub fn parse_token_tree(&mut self) -> TokenTree { match self.token.kind { diff --git a/compiler/rustc_parse/src/parser/path.rs b/compiler/rustc_parse/src/parser/path.rs index 9beecd9849fb..da8d1194325b 100644 --- a/compiler/rustc_parse/src/parser/path.rs +++ b/compiler/rustc_parse/src/parser/path.rs @@ -920,7 +920,8 @@ impl<'a> Parser<'a> { // Fall back by trying to parse a const-expr expression. If we successfully do so, // then we should report an error that it needs to be wrapped in braces. let snapshot = self.create_snapshot_for_diagnostic(); - match self.parse_expr_res(Restrictions::CONST_EXPR, None) { + let attrs = self.parse_outer_attributes()?; + match self.parse_expr_res(Restrictions::CONST_EXPR, attrs) { Ok(expr) => { return Ok(Some(self.dummy_const_arg_needs_braces( self.dcx().struct_span_err(expr.span, "invalid const generic expression"), diff --git a/compiler/rustc_parse/src/parser/stmt.rs b/compiler/rustc_parse/src/parser/stmt.rs index 8684f2ed829d..d65f6ff68eee 100644 --- a/compiler/rustc_parse/src/parser/stmt.rs +++ b/compiler/rustc_parse/src/parser/stmt.rs @@ -126,9 +126,9 @@ impl<'a> Parser<'a> { // Remainder are line-expr stmts. let e = match force_collect { ForceCollect::Yes => self.collect_tokens_no_attrs(|this| { - this.parse_expr_res(Restrictions::STMT_EXPR, Some(attrs)) + this.parse_expr_res(Restrictions::STMT_EXPR, attrs) })?, - ForceCollect::No => self.parse_expr_res(Restrictions::STMT_EXPR, Some(attrs))?, + ForceCollect::No => self.parse_expr_res(Restrictions::STMT_EXPR, attrs)?, }; if matches!(e.kind, ExprKind::Assign(..)) && self.eat_keyword(kw::Else) { let bl = self.parse_block()?; From 64c2e9ed3bfb6d6e8f9463f90d4eefa736242b8e Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 19 Jun 2024 17:33:46 +1000 Subject: [PATCH 1705/1716] Change how `parse_expr_force_collect` works. It now parses outer attributes before collecting tokens. This avoids the problem where the outer attribute tokens were being stored twice -- for the attribute tokesn, and also for the expression tokens. Fixes #86055. --- compiler/rustc_parse/src/parser/expr.rs | 7 +++-- .../expr-stmt-nonterminal-tokens.stdout | 27 +------------------ 2 files changed, 6 insertions(+), 28 deletions(-) diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs index d27c612bbc1e..4094fb53659b 100644 --- a/compiler/rustc_parse/src/parser/expr.rs +++ b/compiler/rustc_parse/src/parser/expr.rs @@ -98,9 +98,12 @@ impl<'a> Parser<'a> { self.parse_expr_res(Restrictions::empty(), attrs) } - /// Parses an expression, forcing tokens to be collected + /// Parses an expression, forcing tokens to be collected. pub fn parse_expr_force_collect(&mut self) -> PResult<'a, P> { - self.collect_tokens_no_attrs(|this| this.parse_expr()) + self.current_closure.take(); + + let attrs = self.parse_outer_attributes()?; + self.collect_tokens_no_attrs(|this| this.parse_expr_res(Restrictions::empty(), attrs)) } pub fn parse_expr_anon_const(&mut self) -> PResult<'a, AnonConst> { diff --git a/tests/ui/proc-macro/expr-stmt-nonterminal-tokens.stdout b/tests/ui/proc-macro/expr-stmt-nonterminal-tokens.stdout index 6523f2485cd1..0168689b605f 100644 --- a/tests/ui/proc-macro/expr-stmt-nonterminal-tokens.stdout +++ b/tests/ui/proc-macro/expr-stmt-nonterminal-tokens.stdout @@ -1,4 +1,4 @@ -PRINT-DERIVE INPUT (DISPLAY): enum E { V = { let _ = #[allow(warnings)] #[allow(warnings)] 0; 0 }, } +PRINT-DERIVE INPUT (DISPLAY): enum E { V = { let _ = #[allow(warnings)] 0; 0 }, } PRINT-DERIVE INPUT (DEBUG): TokenStream [ Ident { ident: "enum", @@ -39,31 +39,6 @@ PRINT-DERIVE INPUT (DEBUG): TokenStream [ Group { delimiter: None, stream: TokenStream [ - Punct { - ch: '#', - spacing: Alone, - span: #0 bytes(543..544), - }, - Group { - delimiter: Bracket, - stream: TokenStream [ - Ident { - ident: "allow", - span: #0 bytes(545..550), - }, - Group { - delimiter: Parenthesis, - stream: TokenStream [ - Ident { - ident: "warnings", - span: #0 bytes(551..559), - }, - ], - span: #0 bytes(550..560), - }, - ], - span: #0 bytes(544..561), - }, Punct { ch: '#', spacing: Alone, From fd4fe7d129cac2b7a0668847117775ee23031771 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Sat, 1 Jun 2024 21:35:43 +1000 Subject: [PATCH 1706/1716] Remove `src/tools/rust-demangler` --- Cargo.lock | 8 -- Cargo.toml | 1 - config.example.toml | 4 +- src/bootstrap/src/core/build_steps/clippy.rs | 1 - src/bootstrap/src/core/build_steps/dist.rs | 93 +----------------- src/bootstrap/src/core/build_steps/install.rs | 16 --- src/bootstrap/src/core/build_steps/test.rs | 59 ----------- src/bootstrap/src/core/build_steps/tool.rs | 1 - src/bootstrap/src/core/builder.rs | 5 - src/bootstrap/src/utils/tarball.rs | 5 - src/doc/rustc/src/instrument-coverage.md | 8 +- src/tools/rust-demangler/Cargo.toml | 16 --- src/tools/rust-demangler/README.md | 36 ------- src/tools/rust-demangler/src/lib.rs | 21 ---- src/tools/rust-demangler/src/main.rs | 97 ------------------- src/tools/rust-demangler/tests/lib.rs | 84 ---------------- 16 files changed, 5 insertions(+), 450 deletions(-) delete mode 100644 src/tools/rust-demangler/Cargo.toml delete mode 100644 src/tools/rust-demangler/README.md delete mode 100644 src/tools/rust-demangler/src/lib.rs delete mode 100644 src/tools/rust-demangler/src/main.rs delete mode 100644 src/tools/rust-demangler/tests/lib.rs diff --git a/Cargo.lock b/Cargo.lock index 14ee031ad047..da99ac9b8afc 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -3479,14 +3479,6 @@ dependencies = [ "wasmparser", ] -[[package]] -name = "rust-demangler" -version = "0.0.1" -dependencies = [ - "regex", - "rustc-demangle", -] - [[package]] name = "rustbook" version = "0.1.0" diff --git a/Cargo.toml b/Cargo.toml index a601ebf4369e..c17ea99d0376 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -23,7 +23,6 @@ members = [ "src/tools/remote-test-client", "src/tools/remote-test-server", "src/tools/rust-installer", - "src/tools/rust-demangler", "src/tools/rustdoc", "src/tools/rls", "src/tools/rustfmt", diff --git a/config.example.toml b/config.example.toml index 76541ee4e9e7..679abcdc7771 100644 --- a/config.example.toml +++ b/config.example.toml @@ -321,8 +321,7 @@ # # If `extended = false`, the only one of these built by default is rustdoc. # -# If `extended = true`, they're all included, with the exception of -# rust-demangler which additionally requires `profiler = true` to be set. +# If `extended = true`, they are all included. # # If any enabled tool fails to build, the installation fails. #tools = [ @@ -334,7 +333,6 @@ # "rust-analyzer-proc-macro-srv", # "analysis", # "src", -# "rust-demangler", # if profiler = true #] # Verbosity level: 0 == not verbose, 1 == verbose, 2 == very verbose, 3 == print environment variables on each rustc invocation diff --git a/src/bootstrap/src/core/build_steps/clippy.rs b/src/bootstrap/src/core/build_steps/clippy.rs index 01b5e99116ff..40a2112b1925 100644 --- a/src/bootstrap/src/core/build_steps/clippy.rs +++ b/src/bootstrap/src/core/build_steps/clippy.rs @@ -322,7 +322,6 @@ lint_any!( RemoteTestServer, "src/tools/remote-test-server", "remote-test-server"; Rls, "src/tools/rls", "rls"; RustAnalyzer, "src/tools/rust-analyzer", "rust-analyzer"; - RustDemangler, "src/tools/rust-demangler", "rust-demangler"; Rustdoc, "src/tools/rustdoc", "clippy"; Rustfmt, "src/tools/rustfmt", "rustfmt"; RustInstaller, "src/tools/rust-installer", "rust-installer"; diff --git a/src/bootstrap/src/core/build_steps/dist.rs b/src/bootstrap/src/core/build_steps/dist.rs index f651f751441f..54136d2aebda 100644 --- a/src/bootstrap/src/core/build_steps/dist.rs +++ b/src/bootstrap/src/core/build_steps/dist.rs @@ -1459,62 +1459,6 @@ impl Step for Rustfmt { } } -#[derive(Debug, PartialOrd, Ord, Clone, Hash, PartialEq, Eq)] -pub struct RustDemangler { - pub compiler: Compiler, - pub target: TargetSelection, -} - -impl Step for RustDemangler { - type Output = Option; - const DEFAULT: bool = true; - const ONLY_HOSTS: bool = true; - - fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> { - // While other tools use `should_build_extended_tool` to decide whether to be run by - // default or not, `rust-demangler` must be build when *either* it's enabled as a tool like - // the other ones or if `profiler = true`. Because we don't know the target at this stage - // we run the step by default when only `extended = true`, and decide whether to actually - // run it or not later. - let default = run.builder.config.extended; - run.alias("rust-demangler").default_condition(default) - } - - fn make_run(run: RunConfig<'_>) { - run.builder.ensure(RustDemangler { - compiler: run.builder.compiler_for( - run.builder.top_stage, - run.builder.config.build, - run.target, - ), - target: run.target, - }); - } - - fn run(self, builder: &Builder<'_>) -> Option { - let compiler = self.compiler; - let target = self.target; - - // Only build this extended tool if explicitly included in `tools`, or if `profiler = true` - let condition = should_build_extended_tool(builder, "rust-demangler") - || builder.config.profiler_enabled(target); - if builder.config.extended && !condition { - return None; - } - - let rust_demangler = - builder.ensure(tool::RustDemangler { compiler, target, extra_features: Vec::new() }); - - // Prepare the image directory - let mut tarball = Tarball::new(builder, "rust-demangler", &target.triple); - tarball.set_overlay(OverlayKind::RustDemangler); - tarball.is_preview(true); - tarball.add_file(rust_demangler, "bin", 0o755); - tarball.add_legal_and_readme_to("share/doc/rust-demangler"); - Some(tarball.generate()) - } -} - #[derive(Debug, PartialOrd, Ord, Clone, Hash, PartialEq, Eq)] pub struct Extended { stage: u32, @@ -1572,7 +1516,6 @@ impl Step for Extended { add_component!("rust-docs" => Docs { host: target }); add_component!("rust-json-docs" => JsonDocs { host: target }); - add_component!("rust-demangler"=> RustDemangler { compiler, target }); add_component!("cargo" => Cargo { compiler, target }); add_component!("rustfmt" => Rustfmt { compiler, target }); add_component!("rls" => Rls { compiler, target }); @@ -1636,7 +1579,7 @@ impl Step for Extended { let xform = |p: &Path| { let mut contents = t!(fs::read_to_string(p)); - for tool in &["rust-demangler", "miri", "rust-docs"] { + for tool in &["miri", "rust-docs"] { if !built_tools.contains(tool) { contents = filter(&contents, tool); } @@ -1677,7 +1620,7 @@ impl Step for Extended { prepare("rust-analysis"); prepare("clippy"); prepare("rust-analyzer"); - for tool in &["rust-docs", "rust-demangler", "miri", "rustc-codegen-cranelift"] { + for tool in &["rust-docs", "miri", "rustc-codegen-cranelift"] { if built_tools.contains(tool) { prepare(tool); } @@ -1717,8 +1660,6 @@ impl Step for Extended { "rust-analyzer-preview".to_string() } else if name == "clippy" { "clippy-preview".to_string() - } else if name == "rust-demangler" { - "rust-demangler-preview".to_string() } else if name == "miri" { "miri-preview".to_string() } else if name == "rustc-codegen-cranelift" { @@ -1738,7 +1679,7 @@ impl Step for Extended { prepare("cargo"); prepare("rust-analysis"); prepare("rust-std"); - for tool in &["clippy", "rust-analyzer", "rust-docs", "rust-demangler", "miri"] { + for tool in &["clippy", "rust-analyzer", "rust-docs", "miri"] { if built_tools.contains(tool) { prepare(tool); } @@ -1862,25 +1803,6 @@ impl Step for Extended { .arg(etc.join("msi/remove-duplicates.xsl")), ); } - if built_tools.contains("rust-demangler") { - builder.run( - Command::new(&heat) - .current_dir(&exe) - .arg("dir") - .arg("rust-demangler") - .args(heat_flags) - .arg("-cg") - .arg("RustDemanglerGroup") - .arg("-dr") - .arg("RustDemangler") - .arg("-var") - .arg("var.RustDemanglerDir") - .arg("-out") - .arg(exe.join("RustDemanglerGroup.wxs")) - .arg("-t") - .arg(etc.join("msi/remove-duplicates.xsl")), - ); - } if built_tools.contains("miri") { builder.run( Command::new(&heat) @@ -1958,9 +1880,6 @@ impl Step for Extended { if built_tools.contains("rust-docs") { cmd.arg("-dDocsDir=rust-docs"); } - if built_tools.contains("rust-demangler") { - cmd.arg("-dRustDemanglerDir=rust-demangler"); - } if built_tools.contains("rust-analyzer") { cmd.arg("-dRustAnalyzerDir=rust-analyzer"); } @@ -1987,9 +1906,6 @@ impl Step for Extended { if built_tools.contains("miri") { candle("MiriGroup.wxs".as_ref()); } - if built_tools.contains("rust-demangler") { - candle("RustDemanglerGroup.wxs".as_ref()); - } if built_tools.contains("rust-analyzer") { candle("RustAnalyzerGroup.wxs".as_ref()); } @@ -2031,9 +1947,6 @@ impl Step for Extended { if built_tools.contains("rust-analyzer") { cmd.arg("RustAnalyzerGroup.wixobj"); } - if built_tools.contains("rust-demangler") { - cmd.arg("RustDemanglerGroup.wixobj"); - } if built_tools.contains("rust-docs") { cmd.arg("DocsGroup.wixobj"); } diff --git a/src/bootstrap/src/core/build_steps/install.rs b/src/bootstrap/src/core/build_steps/install.rs index 6a75f35c93a6..c47233ca42ab 100644 --- a/src/bootstrap/src/core/build_steps/install.rs +++ b/src/bootstrap/src/core/build_steps/install.rs @@ -265,22 +265,6 @@ install!((self, builder, _config), ); } }; - RustDemangler, alias = "rust-demangler", Self::should_build(_config), only_hosts: true, { - // NOTE: Even though `should_build` may return true for `extended` default tools, - // dist::RustDemangler may still return None, unless the target-dependent `profiler` config - // is also true, or the `tools` array explicitly includes "rust-demangler". - if let Some(tarball) = builder.ensure(dist::RustDemangler { - compiler: self.compiler, - target: self.target - }) { - install_sh(builder, "rust-demangler", self.compiler.stage, Some(self.target), &tarball); - } else { - builder.info( - &format!("skipping Install RustDemangler stage{} ({})", - self.compiler.stage, self.target), - ); - } - }; Rustc, path = "compiler/rustc", true, only_hosts: true, { let tarball = builder.ensure(dist::Rustc { compiler: builder.compiler(builder.top_stage, self.target), diff --git a/src/bootstrap/src/core/build_steps/test.rs b/src/bootstrap/src/core/build_steps/test.rs index 7556a19c90ca..445096e9786d 100644 --- a/src/bootstrap/src/core/build_steps/test.rs +++ b/src/bootstrap/src/core/build_steps/test.rs @@ -432,65 +432,6 @@ impl Step for Rustfmt { } } -#[derive(Debug, Clone, PartialEq, Eq, Hash)] -pub struct RustDemangler { - stage: u32, - host: TargetSelection, -} - -impl Step for RustDemangler { - type Output = (); - const ONLY_HOSTS: bool = true; - - fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> { - run.path("src/tools/rust-demangler") - } - - fn make_run(run: RunConfig<'_>) { - run.builder.ensure(RustDemangler { stage: run.builder.top_stage, host: run.target }); - } - - /// Runs `cargo test` for rust-demangler. - fn run(self, builder: &Builder<'_>) { - let stage = self.stage; - let host = self.host; - let compiler = builder.compiler(stage, host); - - let rust_demangler = builder.ensure(tool::RustDemangler { - compiler, - target: self.host, - extra_features: Vec::new(), - }); - let mut cargo = tool::prepare_tool_cargo( - builder, - compiler, - Mode::ToolRustc, - host, - "test", - "src/tools/rust-demangler", - SourceType::InTree, - &[], - ); - - let dir = testdir(builder, compiler.host); - t!(fs::create_dir_all(dir)); - - cargo.env("RUST_DEMANGLER_DRIVER_PATH", rust_demangler); - cargo.add_rustc_lib_path(builder); - - run_cargo_test( - cargo, - &[], - &[], - "rust-demangler", - "rust-demangler", - compiler, - host, - builder, - ); - } -} - #[derive(Debug, Clone, PartialEq, Eq, Hash)] pub struct Miri { target: TargetSelection, diff --git a/src/bootstrap/src/core/build_steps/tool.rs b/src/bootstrap/src/core/build_steps/tool.rs index e0a9674ae5a9..613484788b60 100644 --- a/src/bootstrap/src/core/build_steps/tool.rs +++ b/src/bootstrap/src/core/build_steps/tool.rs @@ -964,7 +964,6 @@ tool_extended!((self, builder), // But `builder.cargo` doesn't know how to handle ToolBootstrap in stages other than 0, // and this is close enough for now. Rls, "src/tools/rls", "rls", stable=true, tool_std=true; - RustDemangler, "src/tools/rust-demangler", "rust-demangler", stable=false, tool_std=true; Rustfmt, "src/tools/rustfmt", "rustfmt", stable=true, add_bins_to_sysroot = ["rustfmt", "cargo-fmt"]; ); diff --git a/src/bootstrap/src/core/builder.rs b/src/bootstrap/src/core/builder.rs index d9e4cbae17d7..dd47ae96329b 100644 --- a/src/bootstrap/src/core/builder.rs +++ b/src/bootstrap/src/core/builder.rs @@ -736,7 +736,6 @@ impl<'a> Builder<'a> { tool::Rls, tool::RustAnalyzer, tool::RustAnalyzerProcMacroSrv, - tool::RustDemangler, tool::Rustdoc, tool::Clippy, tool::CargoClippy, @@ -774,7 +773,6 @@ impl<'a> Builder<'a> { clippy::RemoteTestServer, clippy::Rls, clippy::RustAnalyzer, - clippy::RustDemangler, clippy::Rustdoc, clippy::Rustfmt, clippy::RustInstaller, @@ -842,7 +840,6 @@ impl<'a> Builder<'a> { test::Miri, test::CargoMiri, test::Clippy, - test::RustDemangler, test::CompiletestTest, test::CrateRunMakeSupport, test::RustdocJSStd, @@ -903,7 +900,6 @@ impl<'a> Builder<'a> { dist::Rls, dist::RustAnalyzer, dist::Rustfmt, - dist::RustDemangler, dist::Clippy, dist::Miri, dist::LlvmTools, @@ -930,7 +926,6 @@ impl<'a> Builder<'a> { install::Cargo, install::RustAnalyzer, install::Rustfmt, - install::RustDemangler, install::Clippy, install::Miri, install::LlvmTools, diff --git a/src/bootstrap/src/utils/tarball.rs b/src/bootstrap/src/utils/tarball.rs index 57cdf7473a19..fd934f18de23 100644 --- a/src/bootstrap/src/utils/tarball.rs +++ b/src/bootstrap/src/utils/tarball.rs @@ -23,7 +23,6 @@ pub(crate) enum OverlayKind { Clippy, Miri, Rustfmt, - RustDemangler, Rls, RustAnalyzer, RustcCodegenCranelift, @@ -58,9 +57,6 @@ impl OverlayKind { "src/tools/rustfmt/LICENSE-APACHE", "src/tools/rustfmt/LICENSE-MIT", ], - OverlayKind::RustDemangler => { - &["src/tools/rust-demangler/README.md", "LICENSE-APACHE", "LICENSE-MIT"] - } OverlayKind::Rls => &["src/tools/rls/README.md", "LICENSE-APACHE", "LICENSE-MIT"], OverlayKind::RustAnalyzer => &[ "src/tools/rust-analyzer/README.md", @@ -85,7 +81,6 @@ impl OverlayKind { match self { OverlayKind::Rust => builder.rust_version(), OverlayKind::Llvm => builder.rust_version(), - OverlayKind::RustDemangler => builder.release_num("rust-demangler"), OverlayKind::Cargo => { builder.cargo_info.version(builder, &builder.release_num("cargo")) } diff --git a/src/doc/rustc/src/instrument-coverage.md b/src/doc/rustc/src/instrument-coverage.md index 32dc992c42fa..ed091d8fc571 100644 --- a/src/doc/rustc/src/instrument-coverage.md +++ b/src/doc/rustc/src/instrument-coverage.md @@ -49,12 +49,6 @@ One option for a Rust demangler is [`rustfilt`], which can be installed with: cargo install rustfilt ``` -Another option, if you are building from the Rust compiler source distribution, is to use the `rust-demangler` tool included in the Rust source distribution, which can be built with: - -```shell -$ ./x.py build rust-demangler -``` - [`rustfilt`]: https://crates.io/crates/rustfilt ## Compiling with coverage enabled @@ -164,7 +158,7 @@ $ llvm-cov show -Xdemangler=rustfilt target/debug/examples/formatjson5 \ Some of the more notable options in this example include: -- `--Xdemangler=rustfilt` - the command name or path used to demangle Rust symbols (`rustfilt` in the example, but this could also be a path to the `rust-demangler` tool) +- `--Xdemangler=rustfilt` - the command name or path used to demangle Rust symbols (`rustfilt` in the example) - `target/debug/examples/formatjson5` - the instrumented binary (from which to extract the coverage map) - `--instr-profile=.profdata` - the location of the `.profdata` file created by `llvm-profdata merge` (from the `.profraw` file generated by the instrumented binary) - `--name=` - to show coverage for a specific function (or, consider using another filter option, such as `--name-regex=`) diff --git a/src/tools/rust-demangler/Cargo.toml b/src/tools/rust-demangler/Cargo.toml deleted file mode 100644 index 2bb73b3262d8..000000000000 --- a/src/tools/rust-demangler/Cargo.toml +++ /dev/null @@ -1,16 +0,0 @@ -[package] -name = "rust-demangler" -version = "0.0.1" -edition = "2021" - -[dependencies] -regex = "1.0" -rustc-demangle = "0.1.17" - -[lib] -name = "rust_demangler" -doctest = false - -[[bin]] -name = "rust-demangler" -test = false diff --git a/src/tools/rust-demangler/README.md b/src/tools/rust-demangler/README.md deleted file mode 100644 index 4e8a689a13a4..000000000000 --- a/src/tools/rust-demangler/README.md +++ /dev/null @@ -1,36 +0,0 @@ -# rust-demangler - -_Demangles rustc mangled names._ - -`rust-demangler` supports the requirements of the [`llvm-cov show -Xdemangler` -option](https://llvm.org/docs/CommandGuide/llvm-cov.html#cmdoption-llvm-cov-show-xdemangler), -to perform Rust-specific symbol demangling: - -> _The demangler is expected to read a newline-separated list of symbols from -> stdin and write a newline-separated list of the same length to stdout._ - -To use `rust-demangler` with `llvm-cov` for example: - -```shell -$ TARGET="${PWD}/build/x86_64-unknown-linux-gnu" -$ "${TARGET}"/llvm/bin/llvm-cov show \ - --Xdemangler=path/to/rust-demangler \ - --instr-profile=main.profdata ./main --show-line-counts-or-regions -``` - -`rust-demangler` is a Rust "extended tool", used in Rust compiler tests, and -optionally included in Rust distributions that enable coverage profiling. Symbol -demangling is implemented using the -[rustc-demangle](https://crates.io/crates/rustc-demangle) crate. - -_(Note, for Rust developers, the third-party tool -[`rustfilt`](https://crates.io/crates/rustfilt) also supports `llvm-cov` symbol -demangling. `rustfilt` is a more generalized tool that searches any body of -text, using pattern matching, to find and demangle Rust symbols.)_ - -## License - -Rust-demangler is distributed under the terms of both the MIT license and the -Apache License (Version 2.0). - -See [LICENSE-APACHE](/LICENSE-APACHE) and [LICENSE-MIT](/LICENSE-MIT) for details. diff --git a/src/tools/rust-demangler/src/lib.rs b/src/tools/rust-demangler/src/lib.rs deleted file mode 100644 index 1d972229d953..000000000000 --- a/src/tools/rust-demangler/src/lib.rs +++ /dev/null @@ -1,21 +0,0 @@ -use regex::Regex; -use rustc_demangle::demangle; -use std::str::Lines; - -const REPLACE_COLONS: &str = "::"; - -pub fn create_disambiguator_re() -> Regex { - Regex::new(r"\[[a-f0-9]{5,16}\]::").unwrap() -} - -pub fn demangle_lines(lines: Lines<'_>, strip_crate_disambiguators: Option) -> Vec { - let mut demangled_lines = Vec::new(); - for mangled in lines { - let mut demangled = demangle(mangled).to_string(); - if let Some(re) = &strip_crate_disambiguators { - demangled = re.replace_all(&demangled, REPLACE_COLONS).to_string(); - } - demangled_lines.push(demangled); - } - demangled_lines -} diff --git a/src/tools/rust-demangler/src/main.rs b/src/tools/rust-demangler/src/main.rs deleted file mode 100644 index 1b5ef5d2442b..000000000000 --- a/src/tools/rust-demangler/src/main.rs +++ /dev/null @@ -1,97 +0,0 @@ -//! Demangles rustc mangled names. -//! -//! Note regarding crate disambiguators: -//! -//! Some demangled symbol paths can include "crate disambiguator" suffixes, represented as a large -//! hexadecimal value enclosed in square braces, and appended to the name of the crate. a suffix to the -//! original crate name. For example, the `core` crate, here, includes a disambiguator: -//! -//! ```rust -//! as core[a7a74cee373f048]::ops::drop::Drop>::drop -//! ``` -//! -//! These disambiguators are known to vary depending on environmental circumstances. As a result, -//! tests that compare results including demangled names can fail across development environments, -//! particularly with cross-platform testing. Also, the resulting crate paths are not syntactically -//! valid, and don't match the original source symbol paths, which can impact development tools. -//! -//! For these reasons, by default, `rust-demangler` uses a heuristic to remove crate disambiguators -//! from their original demangled representation before printing them to standard output. If crate -//! disambiguators are required, add the `-d` (or `--disambiguators`) flag, and the disambiguators -//! will not be removed. -//! -//! Also note that the disambiguators are stripped by a Regex pattern that is tolerant to some -//! variation in the number of hexadecimal digits. The disambiguators come from a hash value, which -//! typically generates a 16-digit hex representation on a 64-bit architecture; however, leading -//! zeros are not included, which can shorten the hex digit length, and a different hash algorithm -//! that might also be dependent on the architecture, might shorten the length even further. A -//! minimum length of 5 digits is assumed, which should be more than sufficient to support hex -//! representations that generate only 8-digits of precision with an extremely rare (but not -//! impossible) result with up to 3 leading zeros. -//! -//! Using a minimum number of digits less than 5 risks the possibility of stripping demangled name -//! components with a similar pattern. For example, some closures instantiated multiple times -//! include their own disambiguators, demangled as non-hashed zero-based indexes in square brackets. -//! These disambiguators seem to have more analytical value (for instance, in coverage analysis), so -//! they are not removed. - -use rust_demangler::*; -use std::io::{self, Read, Write}; - -fn main() -> io::Result<()> { - // FIXME(richkadel): In Issue #77615 discussed updating the `rustc-demangle` library, to provide - // an option to generate demangled names without including crate disambiguators. If that - // happens, update this tool to use that option (if the `-d` flag is not set) instead stripping - // them via the Regex heuristic. The update the doc comments and help. - - // Strip hashed hexadecimal crate disambiguators. Leading zeros are not enforced, and can be - // different across different platform/architecture types, so while 16 hex digits are common, - // they can also be shorter. - // - // Also note that a demangled symbol path may include the `[]` pattern, with zero-based - // indexes (such as for closures, and possibly for types defined in anonymous scopes). Preferably - // these should not be stripped. - // - // The minimum length of 5 digits supports the possibility that some target architecture (maybe - // a 32-bit or smaller architecture) could generate a hash value with a maximum of 8 digits, - // and more than three leading zeros should be extremely unlikely. Conversely, it should be - // sufficient to assume the zero-based indexes for closures and anonymous scopes will never - // exceed the value 9999. - let mut strip_crate_disambiguators = Some(create_disambiguator_re()); - - let mut args = std::env::args(); - let progname = args.next().unwrap(); - for arg in args { - if arg == "--disambiguators" || arg == "-d" { - strip_crate_disambiguators = None; - } else { - eprintln!(); - eprintln!("Usage: {} [-d|--disambiguators]", progname); - eprintln!(); - eprintln!( - "This tool converts a list of Rust mangled symbols (one per line) into a\n\ - corresponding list of demangled symbols." - ); - eprintln!(); - eprintln!( - "With -d (--disambiguators), Rust symbols mangled with the v0 symbol mangler may\n\ - include crate disambiguators (a hexadecimal hash value, typically up to 16 digits\n\ - long, enclosed in square brackets)." - ); - eprintln!(); - eprintln!( - "By default, crate disambiguators are removed, using a heuristics-based regular\n\ - expression. (See the `rust-demangler` doc comments for more information.)" - ); - eprintln!(); - std::process::exit(1) - } - } - - let mut buffer = String::new(); - io::stdin().read_to_string(&mut buffer)?; - let mut demangled_lines = demangle_lines(buffer.lines(), strip_crate_disambiguators); - demangled_lines.push("".to_string()); // ensure a trailing newline - io::stdout().write_all(demangled_lines.join("\n").as_bytes())?; - Ok(()) -} diff --git a/src/tools/rust-demangler/tests/lib.rs b/src/tools/rust-demangler/tests/lib.rs deleted file mode 100644 index 85019df7867d..000000000000 --- a/src/tools/rust-demangler/tests/lib.rs +++ /dev/null @@ -1,84 +0,0 @@ -use rust_demangler::*; - -const MANGLED_INPUT: &str = r" -_RNvC6_123foo3bar -_RNqCs4fqI2P2rA04_11utf8_identsu30____7hkackfecea1cbdathfdh9hlq6y -_RNCNCNgCs6DXkGYLi8lr_2cc5spawn00B5_ -_RNCINkXs25_NgCsbmNqQUJIY6D_4core5sliceINyB9_4IterhENuNgNoBb_4iter8iterator8Iterator9rpositionNCNgNpB9_6memchr7memrchrs_0E0Bb_ -_RINbNbCskIICzLVDPPb_5alloc5alloc8box_freeDINbNiB4_5boxed5FnBoxuEp6OutputuEL_ECs1iopQbuBiw2_3std -INtC8arrayvec8ArrayVechKj7b_E -_RMCs4fqI2P2rA04_13const_genericINtB0_8UnsignedKhb_E -_RMCs4fqI2P2rA04_13const_genericINtB0_6SignedKs98_E -_RMCs4fqI2P2rA04_13const_genericINtB0_6SignedKanb_E -_RMCs4fqI2P2rA04_13const_genericINtB0_4BoolKb0_E -_RMCs4fqI2P2rA04_13const_genericINtB0_4BoolKb1_E -_RMCs4fqI2P2rA04_13const_genericINtB0_4CharKc76_E -_RMCs4fqI2P2rA04_13const_genericINtB0_4CharKca_E -_RMCs4fqI2P2rA04_13const_genericINtB0_4CharKc2202_E -_RNvNvMCs4fqI2P2rA04_13const_genericINtB4_3FooKpE3foo3FOO -_RC3foo.llvm.9D1C9369 -_RC3foo.llvm.9D1C9369@@16 -_RNvC9backtrace3foo.llvm.A5310EB9 -_RNvNtNtNtNtCs92dm3009vxr_4rand4rngs7adapter9reseeding4fork23FORK_HANDLER_REGISTERED.0.0 -"; - -const DEMANGLED_OUTPUT: &str = r" -123foo[0]::bar -utf8_idents[317d481089b8c8fe]::საჭმელად_გემრიელი_სადილი -cc[4d6468d6c9fd4bb3]::spawn::{closure#0}::{closure#0} - as core[846817f741e54dfd]::iter::iterator::Iterator>::rposition::::{closure#0} -alloc[f15a878b47eb696b]::alloc::box_free::> -INtC8arrayvec8ArrayVechKj7b_E -> -> -> -> -> -> -> -> ->::foo::FOO -foo[0] -foo[0] -backtrace[0]::foo -rand[693ea8e72247470f]::rngs::adapter::reseeding::fork::FORK_HANDLER_REGISTERED.0.0 -"; - -const DEMANGLED_OUTPUT_NO_CRATE_DISAMBIGUATORS: &str = r" -123foo[0]::bar -utf8_idents::საჭმელად_გემრიელი_სადილი -cc::spawn::{closure#0}::{closure#0} - as core::iter::iterator::Iterator>::rposition::::{closure#0} -alloc::alloc::box_free::> -INtC8arrayvec8ArrayVechKj7b_E -> -> -> -> -> -> -> -> ->::foo::FOO -foo[0] -foo[0] -backtrace[0]::foo -rand::rngs::adapter::reseeding::fork::FORK_HANDLER_REGISTERED.0.0 -"; - -#[test] -fn test_demangle_lines() { - let demangled_lines = demangle_lines(MANGLED_INPUT.lines(), None); - for (expected, actual) in DEMANGLED_OUTPUT.lines().zip(demangled_lines) { - assert_eq!(expected, actual); - } -} - -#[test] -fn test_demangle_lines_no_crate_disambiguators() { - let demangled_lines = demangle_lines(MANGLED_INPUT.lines(), Some(create_disambiguator_re())); - for (expected, actual) in DEMANGLED_OUTPUT_NO_CRATE_DISAMBIGUATORS.lines().zip(demangled_lines) - { - assert_eq!(expected, actual); - } -} From d70d76b9e7cd80b01797b433dd2baf7a6720e21e Mon Sep 17 00:00:00 2001 From: Urgau Date: Wed, 19 Jun 2024 13:08:26 +0200 Subject: [PATCH 1707/1716] Rework doc-test attribute documentation example --- src/doc/rustdoc/src/write-documentation/the-doc-attribute.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/doc/rustdoc/src/write-documentation/the-doc-attribute.md b/src/doc/rustdoc/src/write-documentation/the-doc-attribute.md index 669dc9358ebf..ff033aa14b82 100644 --- a/src/doc/rustdoc/src/write-documentation/the-doc-attribute.md +++ b/src/doc/rustdoc/src/write-documentation/the-doc-attribute.md @@ -144,10 +144,10 @@ it will not. ### `test(attr(...))` This form of the `doc` attribute allows you to add arbitrary attributes to all your doctests. For -example, if you want your doctests to fail if they produce any warnings, you could add this: +example, if you want your doctests to fail if they have dead code, you could add this: ```rust,no_run -#![doc(test(attr(deny(warnings))))] +#![doc(test(attr(deny(dead_code))))] ``` ## At the item level From 0c2bfd913ed12872e98d02201eb706ce3ffcb013 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Wed, 19 Jun 2024 13:57:01 +0200 Subject: [PATCH 1708/1716] Migrate `run-make/glibc-staticlib-args` to `rmake.rs` --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/glibc-staticlib-args/Makefile | 13 ------------- tests/run-make/glibc-staticlib-args/rmake.rs | 18 ++++++++++++++++++ 3 files changed, 18 insertions(+), 14 deletions(-) delete mode 100644 tests/run-make/glibc-staticlib-args/Makefile create mode 100644 tests/run-make/glibc-staticlib-args/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 24e51b8fee51..9e2d922f23d2 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -59,7 +59,6 @@ run-make/forced-unwind-terminate-pof/Makefile run-make/foreign-double-unwind/Makefile run-make/foreign-exceptions/Makefile run-make/foreign-rust-exceptions/Makefile -run-make/glibc-staticlib-args/Makefile run-make/include_bytes_deps/Makefile run-make/incr-add-rust-src-component/Makefile run-make/incr-foreign-head-span/Makefile diff --git a/tests/run-make/glibc-staticlib-args/Makefile b/tests/run-make/glibc-staticlib-args/Makefile deleted file mode 100644 index cad6c049e459..000000000000 --- a/tests/run-make/glibc-staticlib-args/Makefile +++ /dev/null @@ -1,13 +0,0 @@ -# ignore-cross-compile -# only-gnu -# only-linux - -include ../tools.mk - -# This ensures that std::env::args works in a library called from C on glibc Linux. - -all: - $(RUSTC) --crate-type=staticlib library.rs - $(CC) program.c $(call STATICLIB,library) $(call OUT_EXE,program) \ - $(EXTRACFLAGS) $(EXTRACXXFLAGS) - $(call RUN,program) diff --git a/tests/run-make/glibc-staticlib-args/rmake.rs b/tests/run-make/glibc-staticlib-args/rmake.rs new file mode 100644 index 000000000000..8ab10419ab9d --- /dev/null +++ b/tests/run-make/glibc-staticlib-args/rmake.rs @@ -0,0 +1,18 @@ +// This ensures that std::env::args works in a library called from C on glibc Linux. + +//@ only-gnu +//@ only-linux +//@ ignore-cross-compile + +use run_make_support::{bin_name, cc, extra_c_flags, extra_cxx_flags, run, rustc, static_lib_name}; + +fn main() { + rustc().input("library.rs").crate_type("staticlib").run(); + cc().input("program.c") + .arg(static_lib_name("library")) + .out_exe("program") + .args(&extra_c_flags()) + .args(&extra_cxx_flags()) + .run(); + run(&bin_name("program")); +} From 3d4f8b1f450e883b18c17bc56a1de575dd06f148 Mon Sep 17 00:00:00 2001 From: joboet Date: Tue, 19 Dec 2023 19:30:52 +0100 Subject: [PATCH 1709/1716] core: implement `array::repeat` --- library/core/src/array/mod.rs | 36 +++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/library/core/src/array/mod.rs b/library/core/src/array/mod.rs index 2569ce237077..fdb707bf51d3 100644 --- a/library/core/src/array/mod.rs +++ b/library/core/src/array/mod.rs @@ -10,6 +10,7 @@ use crate::convert::Infallible; use crate::error::Error; use crate::fmt; use crate::hash::{self, Hash}; +use crate::intrinsics::transmute_unchecked; use crate::iter::UncheckedIterator; use crate::mem::{self, MaybeUninit}; use crate::ops::{ @@ -27,6 +28,41 @@ pub(crate) use drain::drain_array_with; #[stable(feature = "array_value_iter", since = "1.51.0")] pub use iter::IntoIter; +/// Creates an array of type `[T; N]` by repeatedly cloning a value. +/// +/// The value will be used as the last element of the resulting array, so it +/// will be cloned N - 1 times. If N is zero, the value will be dropped. +/// +/// # Example +/// +/// Creating muliple copies of a string: +/// ```rust +/// #![feature(array_repeat)] +/// +/// use std::array; +/// +/// let string = "Hello there!".to_string(); +/// let strings = array::repeat(string); +/// assert_eq!(strings, ["Hello there!", "Hello there!"]); +/// ``` +#[inline] +#[unstable(feature = "array_repeat", issue = "none")] +pub fn repeat(val: T) -> [T; N] { + match N { + // SAFETY: we know N to be 0 at this point. + 0 => unsafe { transmute_unchecked::<[T; 0], [T; N]>([]) }, + // SAFETY: we know N to be 1 at this point. + 1 => unsafe { transmute_unchecked::<[T; 1], [T; N]>([val]) }, + _ => { + let mut array = MaybeUninit::uninit_array::(); + try_from_fn_erased(&mut array[..N - 1], NeverShortCircuit::wrap_mut_1(|_| val.clone())); + array[N - 1].write(val); + // SAFETY: all elements were initialized. + unsafe { MaybeUninit::array_assume_init(array) } + } + } +} + /// Creates an array of type [T; N], where each element `T` is the returned value from `cb` /// using that element's index. /// From 8aa24572f08e84ac649f69d02eb74439b6b448ba Mon Sep 17 00:00:00 2001 From: joboet Date: Wed, 20 Dec 2023 00:13:22 +0100 Subject: [PATCH 1710/1716] core: implement `UncheckedIterator` for `RepeatN` --- library/core/src/iter/sources/repeat_n.rs | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/library/core/src/iter/sources/repeat_n.rs b/library/core/src/iter/sources/repeat_n.rs index 8224e4b12a0e..8390dab8e543 100644 --- a/library/core/src/iter/sources/repeat_n.rs +++ b/library/core/src/iter/sources/repeat_n.rs @@ -1,4 +1,4 @@ -use crate::iter::{FusedIterator, TrustedLen}; +use crate::iter::{FusedIterator, TrustedLen, UncheckedIterator}; use crate::mem::ManuallyDrop; use crate::num::NonZero; @@ -193,3 +193,5 @@ impl FusedIterator for RepeatN {} #[unstable(feature = "trusted_len", issue = "37572")] unsafe impl TrustedLen for RepeatN {} +#[unstable(feature = "trusted_len_next_unchecked", issue = "37572")] +impl UncheckedIterator for RepeatN {} From 39a918002e67e21330ac9103d471dc1701382c31 Mon Sep 17 00:00:00 2001 From: joboet Date: Wed, 20 Dec 2023 00:14:25 +0100 Subject: [PATCH 1711/1716] core: simplify implementation of `array::repeat`, address other nits --- library/core/src/array/mod.rs | 27 +++++++++------------------ 1 file changed, 9 insertions(+), 18 deletions(-) diff --git a/library/core/src/array/mod.rs b/library/core/src/array/mod.rs index fdb707bf51d3..63b79d5256da 100644 --- a/library/core/src/array/mod.rs +++ b/library/core/src/array/mod.rs @@ -10,8 +10,7 @@ use crate::convert::Infallible; use crate::error::Error; use crate::fmt; use crate::hash::{self, Hash}; -use crate::intrinsics::transmute_unchecked; -use crate::iter::UncheckedIterator; +use crate::iter::{repeat_n, UncheckedIterator}; use crate::mem::{self, MaybeUninit}; use crate::ops::{ ChangeOutputType, ControlFlow, FromResidual, Index, IndexMut, NeverShortCircuit, Residual, Try, @@ -30,12 +29,16 @@ pub use iter::IntoIter; /// Creates an array of type `[T; N]` by repeatedly cloning a value. /// -/// The value will be used as the last element of the resulting array, so it -/// will be cloned N - 1 times. If N is zero, the value will be dropped. +/// This is the same as `[val; N]`, but it also works for types that do not +/// implement [`Copy`]. +/// +/// The provided value will be used as an element of the resulting array and +/// will be cloned N - 1 times to fill up the rest. If N is zero, the value +/// will be dropped. /// /// # Example /// -/// Creating muliple copies of a string: +/// Creating muliple copies of a `String`: /// ```rust /// #![feature(array_repeat)] /// @@ -48,19 +51,7 @@ pub use iter::IntoIter; #[inline] #[unstable(feature = "array_repeat", issue = "none")] pub fn repeat(val: T) -> [T; N] { - match N { - // SAFETY: we know N to be 0 at this point. - 0 => unsafe { transmute_unchecked::<[T; 0], [T; N]>([]) }, - // SAFETY: we know N to be 1 at this point. - 1 => unsafe { transmute_unchecked::<[T; 1], [T; N]>([val]) }, - _ => { - let mut array = MaybeUninit::uninit_array::(); - try_from_fn_erased(&mut array[..N - 1], NeverShortCircuit::wrap_mut_1(|_| val.clone())); - array[N - 1].write(val); - // SAFETY: all elements were initialized. - unsafe { MaybeUninit::array_assume_init(array) } - } - } + from_trusted_iterator(repeat_n(val, N)) } /// Creates an array of type [T; N], where each element `T` is the returned value from `cb` From 1a8b0d7c53b62825cbe1319d6ff06e12f4dba187 Mon Sep 17 00:00:00 2001 From: joboet Date: Fri, 5 Jan 2024 12:43:01 +0100 Subject: [PATCH 1712/1716] add codegen test for `array::repeat` --- tests/codegen/array-repeat.rs | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 tests/codegen/array-repeat.rs diff --git a/tests/codegen/array-repeat.rs b/tests/codegen/array-repeat.rs new file mode 100644 index 000000000000..d4cdb054ad81 --- /dev/null +++ b/tests/codegen/array-repeat.rs @@ -0,0 +1,15 @@ +// compile-flags: -O + +#![crate_type = "lib"] +#![feature(array_repeat)] + +use std::array::repeat; + +// CHECK-LABEL: @byte_repeat +#[no_mangle] +fn byte_repeat(b: u8) -> [u8; 1024] { + // CHECK-NOT: alloca + // CHECK-NOT: store + // CHECK: memset + repeat(b) +} From e1aacea74dcdd53095af1618e6466ae8475458ac Mon Sep 17 00:00:00 2001 From: joboet Date: Wed, 19 Jun 2024 17:48:00 +0200 Subject: [PATCH 1713/1716] core: add tracking issue for `array::repeat` --- library/core/src/array/mod.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/library/core/src/array/mod.rs b/library/core/src/array/mod.rs index 63b79d5256da..3e4eadbb7c97 100644 --- a/library/core/src/array/mod.rs +++ b/library/core/src/array/mod.rs @@ -49,7 +49,7 @@ pub use iter::IntoIter; /// assert_eq!(strings, ["Hello there!", "Hello there!"]); /// ``` #[inline] -#[unstable(feature = "array_repeat", issue = "none")] +#[unstable(feature = "array_repeat", issue = "126695")] pub fn repeat(val: T) -> [T; N] { from_trusted_iterator(repeat_n(val, N)) } From 0aa3310a9ac22509f138566398c2e65a777f5967 Mon Sep 17 00:00:00 2001 From: joboet Date: Wed, 19 Jun 2024 17:48:05 +0200 Subject: [PATCH 1714/1716] update codegen test for `array::repeat` --- tests/codegen/array-repeat.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tests/codegen/array-repeat.rs b/tests/codegen/array-repeat.rs index d4cdb054ad81..b6f3b2e83d3e 100644 --- a/tests/codegen/array-repeat.rs +++ b/tests/codegen/array-repeat.rs @@ -1,4 +1,4 @@ -// compile-flags: -O +//@ compile-flags: -O #![crate_type = "lib"] #![feature(array_repeat)] From 4630d1b23b996793e9188490cc99b1576176233f Mon Sep 17 00:00:00 2001 From: Scott McMurray Date: Wed, 12 Jun 2024 01:22:31 -0700 Subject: [PATCH 1715/1716] Ban `ArrayToPointer` and `MutToConstPointer` from runtime MIR Apparently MIR borrowck cares about at least one of these for checking variance. In runtime MIR, though, there's no need for them as `PtrToPtr` does the same thing. (Banning them simplifies passes like GVN that no longer need to handle multiple cast possibilities.) --- compiler/rustc_middle/src/mir/syntax.rs | 13 +++++++++++-- .../src/cleanup_post_borrowck.rs | 19 ++++++++++++++++++- compiler/rustc_mir_transform/src/gvn.rs | 10 +++------- compiler/rustc_mir_transform/src/lib.rs | 6 +++--- compiler/rustc_mir_transform/src/validate.rs | 8 +++++++- ...oxed_slice.main.GVN.32bit.panic-abort.diff | 2 +- ...xed_slice.main.GVN.32bit.panic-unwind.diff | 2 +- ...oxed_slice.main.GVN.64bit.panic-abort.diff | 2 +- ...xed_slice.main.GVN.64bit.panic-unwind.diff | 2 +- .../casts.roundtrip.InstSimplify.diff | 2 +- tests/mir-opt/instsimplify/casts.rs | 2 +- ...mut_range.PreCodegen.after.panic-abort.mir | 2 +- ...ut_range.PreCodegen.after.panic-unwind.mir | 2 +- ...ated_loop.PreCodegen.after.panic-abort.mir | 2 +- ...ted_loop.PreCodegen.after.panic-unwind.mir | 2 +- ...ward_loop.PreCodegen.after.panic-abort.mir | 2 +- ...ard_loop.PreCodegen.after.panic-unwind.mir | 2 +- ...erse_loop.PreCodegen.after.panic-abort.mir | 2 +- ...rse_loop.PreCodegen.after.panic-unwind.mir | 2 +- ...fg-pre-optimizations.after.panic-abort.mir | 4 ++-- ...g-pre-optimizations.after.panic-unwind.mir | 4 ++-- 21 files changed, 60 insertions(+), 32 deletions(-) diff --git a/compiler/rustc_middle/src/mir/syntax.rs b/compiler/rustc_middle/src/mir/syntax.rs index 736cef3cdb81..5957a25f0f2b 100644 --- a/compiler/rustc_middle/src/mir/syntax.rs +++ b/compiler/rustc_middle/src/mir/syntax.rs @@ -127,6 +127,9 @@ pub enum AnalysisPhase { /// * [`StatementKind::AscribeUserType`] /// * [`StatementKind::Coverage`] with [`CoverageKind::BlockMarker`] or [`CoverageKind::SpanMarker`] /// * [`Rvalue::Ref`] with `BorrowKind::Fake` + /// * [`CastKind::PointerCoercion`] with any of the following: + /// * [`PointerCoercion::ArrayToPointer`] + /// * [`PointerCoercion::MutToConstPointer`] /// /// Furthermore, `Deref` projections must be the first projection within any place (if they /// appear at all) @@ -1284,8 +1287,7 @@ pub enum Rvalue<'tcx> { /// /// This allows for casts from/to a variety of types. /// - /// **FIXME**: Document exactly which `CastKind`s allow which types of casts. Figure out why - /// `ArrayToPointer` and `MutToConstPointer` are special. + /// **FIXME**: Document exactly which `CastKind`s allow which types of casts. Cast(CastKind, Operand<'tcx>, Ty<'tcx>), /// * `Offset` has the same semantics as [`offset`](pointer::offset), except that the second @@ -1365,6 +1367,13 @@ pub enum CastKind { PointerWithExposedProvenance, /// Pointer related casts that are done by coercions. Note that reference-to-raw-ptr casts are /// translated into `&raw mut/const *r`, i.e., they are not actually casts. + /// + /// The following are allowed in [`AnalysisPhase::Initial`] as they're needed for borrowck, + /// but after that are forbidden (including in all phases of runtime MIR): + /// * [`PointerCoercion::ArrayToPointer`] + /// * [`PointerCoercion::MutToConstPointer`] + /// + /// Both are runtime nops, so should be [`CastKind::PtrToPtr`] instead in runtime MIR. PointerCoercion(PointerCoercion), /// Cast into a dyn* object. DynStar, diff --git a/compiler/rustc_mir_transform/src/cleanup_post_borrowck.rs b/compiler/rustc_mir_transform/src/cleanup_post_borrowck.rs index 48a6a83e1460..264d8a139960 100644 --- a/compiler/rustc_mir_transform/src/cleanup_post_borrowck.rs +++ b/compiler/rustc_mir_transform/src/cleanup_post_borrowck.rs @@ -18,7 +18,8 @@ use crate::MirPass; use rustc_middle::mir::coverage::CoverageKind; -use rustc_middle::mir::{Body, BorrowKind, Rvalue, StatementKind, TerminatorKind}; +use rustc_middle::mir::{Body, BorrowKind, CastKind, Rvalue, StatementKind, TerminatorKind}; +use rustc_middle::ty::adjustment::PointerCoercion; use rustc_middle::ty::TyCtxt; pub struct CleanupPostBorrowck; @@ -36,6 +37,22 @@ impl<'tcx> MirPass<'tcx> for CleanupPostBorrowck { CoverageKind::BlockMarker { .. } | CoverageKind::SpanMarker { .. }, ) | StatementKind::FakeRead(..) => statement.make_nop(), + StatementKind::Assign(box ( + _, + Rvalue::Cast( + ref mut cast_kind @ CastKind::PointerCoercion( + PointerCoercion::ArrayToPointer + | PointerCoercion::MutToConstPointer, + ), + .., + ), + )) => { + // BorrowCk needed to track whether these cases were coercions or casts, + // to know whether to check lifetimes in their pointees, + // but from now on that distinction doesn't matter, + // so just make them ordinary pointer casts instead. + *cast_kind = CastKind::PtrToPtr; + } _ => (), } } diff --git a/compiler/rustc_mir_transform/src/gvn.rs b/compiler/rustc_mir_transform/src/gvn.rs index 0f8f28e3462a..b2670040b14b 100644 --- a/compiler/rustc_mir_transform/src/gvn.rs +++ b/compiler/rustc_mir_transform/src/gvn.rs @@ -571,11 +571,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { let ret = self.ecx.ptr_to_ptr(&src, to).ok()?; ret.into() } - CastKind::PointerCoercion( - ty::adjustment::PointerCoercion::MutToConstPointer - | ty::adjustment::PointerCoercion::ArrayToPointer - | ty::adjustment::PointerCoercion::UnsafeFnPointer, - ) => { + CastKind::PointerCoercion(ty::adjustment::PointerCoercion::UnsafeFnPointer) => { let src = self.evaluated[value].as_ref()?; let src = self.ecx.read_immediate(src).ok()?; let to = self.ecx.layout_of(to).ok()?; @@ -1164,10 +1160,10 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { } } - if let PtrToPtr | PointerCoercion(MutToConstPointer) = kind + if let PtrToPtr = kind && let Value::Cast { kind: inner_kind, value: inner_value, from: inner_from, to: _ } = *self.get(value) - && let PtrToPtr | PointerCoercion(MutToConstPointer) = inner_kind + && let PtrToPtr = inner_kind { from = inner_from; value = inner_value; diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs index afba6781a703..87dd9cc11ebb 100644 --- a/compiler/rustc_mir_transform/src/lib.rs +++ b/compiler/rustc_mir_transform/src/lib.rs @@ -51,11 +51,11 @@ mod abort_unwinding_calls; mod add_call_guards; mod add_moves_for_packed_drops; mod add_retag; +mod add_subtyping_projections; +mod check_alignment; mod check_const_item_mutation; mod check_packed_ref; -mod remove_place_mention; // This pass is public to allow external drivers to perform MIR cleanup -mod add_subtyping_projections; pub mod cleanup_post_borrowck; mod copy_prop; mod coroutine; @@ -94,6 +94,7 @@ mod prettify; mod promote_consts; mod ref_prop; mod remove_noop_landing_pads; +mod remove_place_mention; mod remove_storage_markers; mod remove_uninit_drops; mod remove_unneeded_drops; @@ -103,7 +104,6 @@ mod reveal_all; mod shim; mod ssa; // This pass is public to allow external drivers to perform MIR cleanup -mod check_alignment; pub mod simplify; mod simplify_branches; mod simplify_comparison_integral; diff --git a/compiler/rustc_mir_transform/src/validate.rs b/compiler/rustc_mir_transform/src/validate.rs index 2cca1a6f507b..f5d10521fdd0 100644 --- a/compiler/rustc_mir_transform/src/validate.rs +++ b/compiler/rustc_mir_transform/src/validate.rs @@ -1188,6 +1188,9 @@ impl<'a, 'tcx> Visitor<'tcx> for TypeChecker<'a, 'tcx> { "CastKind::{kind:?} output must be a raw const pointer, not {:?}", ty::RawPtr(_, Mutability::Not) ); + if self.mir_phase >= MirPhase::Analysis(AnalysisPhase::PostCleanup) { + self.fail(location, format!("After borrowck, MIR disallows {kind:?}")); + } } CastKind::PointerCoercion(PointerCoercion::ArrayToPointer) => { // FIXME: Check pointee types @@ -1201,6 +1204,9 @@ impl<'a, 'tcx> Visitor<'tcx> for TypeChecker<'a, 'tcx> { "CastKind::{kind:?} output must be a raw pointer, not {:?}", ty::RawPtr(..) ); + if self.mir_phase >= MirPhase::Analysis(AnalysisPhase::PostCleanup) { + self.fail(location, format!("After borrowck, MIR disallows {kind:?}")); + } } CastKind::PointerCoercion(PointerCoercion::Unsize) => { // This is used for all `CoerceUnsized` types, @@ -1212,7 +1218,7 @@ impl<'a, 'tcx> Visitor<'tcx> for TypeChecker<'a, 'tcx> { if !input_valid || !target_valid { self.fail( location, - format!("Wrong cast kind {kind:?} for the type {op_ty}",), + format!("Wrong cast kind {kind:?} for the type {op_ty}"), ); } } diff --git a/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.32bit.panic-abort.diff b/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.32bit.panic-abort.diff index ca445046279b..06011f9d7596 100644 --- a/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.32bit.panic-abort.diff +++ b/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.32bit.panic-abort.diff @@ -80,7 +80,7 @@ bb4: { StorageDead(_8); -- _11 = _6 as *const [bool; 0] (PointerCoercion(MutToConstPointer)); +- _11 = _6 as *const [bool; 0] (PtrToPtr); - _5 = NonNull::<[bool; 0]> { pointer: _11 }; + _11 = const {0x1 as *const [bool; 0]}; + _5 = const NonNull::<[bool; 0]> {{ pointer: {0x1 as *const [bool; 0]} }}; diff --git a/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.32bit.panic-unwind.diff b/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.32bit.panic-unwind.diff index 1f498c65fa78..eb4a3ffd91d2 100644 --- a/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.32bit.panic-unwind.diff +++ b/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.32bit.panic-unwind.diff @@ -84,7 +84,7 @@ bb5: { StorageDead(_8); -- _11 = _6 as *const [bool; 0] (PointerCoercion(MutToConstPointer)); +- _11 = _6 as *const [bool; 0] (PtrToPtr); - _5 = NonNull::<[bool; 0]> { pointer: _11 }; + _11 = const {0x1 as *const [bool; 0]}; + _5 = const NonNull::<[bool; 0]> {{ pointer: {0x1 as *const [bool; 0]} }}; diff --git a/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.64bit.panic-abort.diff b/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.64bit.panic-abort.diff index da72e581496e..a7cc243e548e 100644 --- a/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.64bit.panic-abort.diff +++ b/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.64bit.panic-abort.diff @@ -80,7 +80,7 @@ bb4: { StorageDead(_8); -- _11 = _6 as *const [bool; 0] (PointerCoercion(MutToConstPointer)); +- _11 = _6 as *const [bool; 0] (PtrToPtr); - _5 = NonNull::<[bool; 0]> { pointer: _11 }; + _11 = const {0x1 as *const [bool; 0]}; + _5 = const NonNull::<[bool; 0]> {{ pointer: {0x1 as *const [bool; 0]} }}; diff --git a/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.64bit.panic-unwind.diff b/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.64bit.panic-unwind.diff index 920e66452e3b..c905a48862ca 100644 --- a/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.64bit.panic-unwind.diff +++ b/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.GVN.64bit.panic-unwind.diff @@ -84,7 +84,7 @@ bb5: { StorageDead(_8); -- _11 = _6 as *const [bool; 0] (PointerCoercion(MutToConstPointer)); +- _11 = _6 as *const [bool; 0] (PtrToPtr); - _5 = NonNull::<[bool; 0]> { pointer: _11 }; + _11 = const {0x1 as *const [bool; 0]}; + _5 = const NonNull::<[bool; 0]> {{ pointer: {0x1 as *const [bool; 0]} }}; diff --git a/tests/mir-opt/instsimplify/casts.roundtrip.InstSimplify.diff b/tests/mir-opt/instsimplify/casts.roundtrip.InstSimplify.diff index a6d68cd4e4b8..e87ac762dfeb 100644 --- a/tests/mir-opt/instsimplify/casts.roundtrip.InstSimplify.diff +++ b/tests/mir-opt/instsimplify/casts.roundtrip.InstSimplify.diff @@ -14,7 +14,7 @@ StorageLive(_4); _4 = _1; _3 = move _4 as *mut u8 (PtrToPtr); - _2 = move _3 as *const u8 (PointerCoercion(MutToConstPointer)); + _2 = move _3 as *const u8 (PtrToPtr); StorageDead(_4); StorageDead(_3); - _0 = move _2 as *const u8 (PtrToPtr); diff --git a/tests/mir-opt/instsimplify/casts.rs b/tests/mir-opt/instsimplify/casts.rs index a7786fa570f1..15ceea767136 100644 --- a/tests/mir-opt/instsimplify/casts.rs +++ b/tests/mir-opt/instsimplify/casts.rs @@ -21,7 +21,7 @@ pub fn roundtrip(x: *const u8) -> *const u8 { // CHECK-LABEL: fn roundtrip( // CHECK: _4 = _1; // CHECK: _3 = move _4 as *mut u8 (PtrToPtr); - // CHECK: _2 = move _3 as *const u8 (PointerCoercion(MutToConstPointer)); + // CHECK: _2 = move _3 as *const u8 (PtrToPtr); x as *mut u8 as *const u8 } diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-abort.mir index 5e0398d11147..41cca811922e 100644 --- a/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-abort.mir @@ -41,7 +41,7 @@ fn slice_get_unchecked_mut_range(_1: &mut [u32], _2: std::ops::Range) -> StorageLive(_9); StorageLive(_7); StorageLive(_6); - _6 = _5 as *const [u32] (PointerCoercion(MutToConstPointer)); + _6 = _5 as *const [u32] (PtrToPtr); _7 = PtrMetadata(_6); StorageDead(_6); _8 = as SliceIndex<[T]>>::get_unchecked_mut::precondition_check(_3, _4, move _7) -> [return: bb1, unwind unreachable]; diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-unwind.mir index 5e0398d11147..41cca811922e 100644 --- a/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-unwind.mir @@ -41,7 +41,7 @@ fn slice_get_unchecked_mut_range(_1: &mut [u32], _2: std::ops::Range) -> StorageLive(_9); StorageLive(_7); StorageLive(_6); - _6 = _5 as *const [u32] (PointerCoercion(MutToConstPointer)); + _6 = _5 as *const [u32] (PtrToPtr); _7 = PtrMetadata(_6); StorageDead(_6); _8 = as SliceIndex<[T]>>::get_unchecked_mut::precondition_check(_3, _4, move _7) -> [return: bb1, unwind unreachable]; diff --git a/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-abort.mir index 8f41fb70925f..8eb102e68f36 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-abort.mir @@ -79,7 +79,7 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { _7 = _4 as *mut T (PtrToPtr); _8 = Offset(_7, _3); StorageDead(_7); - _9 = move _8 as *const T (PointerCoercion(MutToConstPointer)); + _9 = move _8 as *const T (PtrToPtr); StorageDead(_8); goto -> bb3; } diff --git a/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir index 17cf305468e8..f805967d64ff 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir @@ -79,7 +79,7 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { _7 = _4 as *mut T (PtrToPtr); _8 = Offset(_7, _3); StorageDead(_7); - _9 = move _8 as *const T (PointerCoercion(MutToConstPointer)); + _9 = move _8 as *const T (PtrToPtr); StorageDead(_8); goto -> bb3; } diff --git a/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-abort.mir index 3c1bbdc87424..6ae64200f4e7 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-abort.mir @@ -71,7 +71,7 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () { _7 = _4 as *mut T (PtrToPtr); _8 = Offset(_7, _3); StorageDead(_7); - _9 = move _8 as *const T (PointerCoercion(MutToConstPointer)); + _9 = move _8 as *const T (PtrToPtr); StorageDead(_8); goto -> bb3; } diff --git a/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-unwind.mir index b2ec1ea7b9f2..ac72329fcd64 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.forward_loop.PreCodegen.after.panic-unwind.mir @@ -71,7 +71,7 @@ fn forward_loop(_1: &[T], _2: impl Fn(&T)) -> () { _7 = _4 as *mut T (PtrToPtr); _8 = Offset(_7, _3); StorageDead(_7); - _9 = move _8 as *const T (PointerCoercion(MutToConstPointer)); + _9 = move _8 as *const T (PtrToPtr); StorageDead(_8); goto -> bb3; } diff --git a/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-abort.mir index bf982f076de7..8008336e268c 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-abort.mir @@ -79,7 +79,7 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () { _7 = _4 as *mut T (PtrToPtr); _8 = Offset(_7, _3); StorageDead(_7); - _9 = move _8 as *const T (PointerCoercion(MutToConstPointer)); + _9 = move _8 as *const T (PtrToPtr); StorageDead(_8); goto -> bb3; } diff --git a/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-unwind.mir index 532b81625212..47253bf7a0d3 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.reverse_loop.PreCodegen.after.panic-unwind.mir @@ -79,7 +79,7 @@ fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () { _7 = _4 as *mut T (PtrToPtr); _8 = Offset(_7, _3); StorageDead(_7); - _9 = move _8 as *const T (PointerCoercion(MutToConstPointer)); + _9 = move _8 as *const T (PtrToPtr); StorageDead(_8); goto -> bb3; } diff --git a/tests/mir-opt/retag.array_casts.SimplifyCfg-pre-optimizations.after.panic-abort.mir b/tests/mir-opt/retag.array_casts.SimplifyCfg-pre-optimizations.after.panic-abort.mir index f9d58ea60a39..6dba667dd155 100644 --- a/tests/mir-opt/retag.array_casts.SimplifyCfg-pre-optimizations.after.panic-abort.mir +++ b/tests/mir-opt/retag.array_casts.SimplifyCfg-pre-optimizations.after.panic-abort.mir @@ -64,7 +64,7 @@ fn array_casts() -> () { StorageLive(_4); _4 = &mut _1; _3 = &raw mut (*_4); - _2 = move _3 as *mut usize (PointerCoercion(ArrayToPointer)); + _2 = move _3 as *mut usize (PtrToPtr); StorageDead(_3); StorageDead(_4); StorageLive(_5); @@ -87,7 +87,7 @@ fn array_casts() -> () { StorageLive(_11); _11 = &_8; _10 = &raw const (*_11); - _9 = move _10 as *const usize (PointerCoercion(ArrayToPointer)); + _9 = move _10 as *const usize (PtrToPtr); StorageDead(_10); StorageDead(_11); StorageLive(_12); diff --git a/tests/mir-opt/retag.array_casts.SimplifyCfg-pre-optimizations.after.panic-unwind.mir b/tests/mir-opt/retag.array_casts.SimplifyCfg-pre-optimizations.after.panic-unwind.mir index b0b70cd5d910..fa812002e26c 100644 --- a/tests/mir-opt/retag.array_casts.SimplifyCfg-pre-optimizations.after.panic-unwind.mir +++ b/tests/mir-opt/retag.array_casts.SimplifyCfg-pre-optimizations.after.panic-unwind.mir @@ -64,7 +64,7 @@ fn array_casts() -> () { StorageLive(_4); _4 = &mut _1; _3 = &raw mut (*_4); - _2 = move _3 as *mut usize (PointerCoercion(ArrayToPointer)); + _2 = move _3 as *mut usize (PtrToPtr); StorageDead(_3); StorageDead(_4); StorageLive(_5); @@ -87,7 +87,7 @@ fn array_casts() -> () { StorageLive(_11); _11 = &_8; _10 = &raw const (*_11); - _9 = move _10 as *const usize (PointerCoercion(ArrayToPointer)); + _9 = move _10 as *const usize (PtrToPtr); StorageDead(_10); StorageDead(_11); StorageLive(_12); From e04e35133f28426df9fa61f9703da957d99b48d8 Mon Sep 17 00:00:00 2001 From: Scott McMurray Date: Fri, 14 Jun 2024 23:01:22 -0700 Subject: [PATCH 1716/1716] `bug!` more uses of these in runtime stuff --- compiler/rustc_codegen_cranelift/src/base.rs | 21 ++++++++++--------- compiler/rustc_codegen_ssa/src/mir/rvalue.rs | 11 +++++----- .../rustc_const_eval/src/interpret/cast.rs | 4 +--- 3 files changed, 18 insertions(+), 18 deletions(-) diff --git a/compiler/rustc_codegen_cranelift/src/base.rs b/compiler/rustc_codegen_cranelift/src/base.rs index 6d26ca0b899b..b117dc496c2b 100644 --- a/compiler/rustc_codegen_cranelift/src/base.rs +++ b/compiler/rustc_codegen_cranelift/src/base.rs @@ -677,21 +677,22 @@ fn codegen_stmt<'tcx>( CastKind::PointerCoercion(PointerCoercion::UnsafeFnPointer), ref operand, to_ty, - ) - | Rvalue::Cast( - CastKind::PointerCoercion(PointerCoercion::MutToConstPointer), - ref operand, - to_ty, - ) - | Rvalue::Cast( - CastKind::PointerCoercion(PointerCoercion::ArrayToPointer), - ref operand, - to_ty, ) => { let to_layout = fx.layout_of(fx.monomorphize(to_ty)); let operand = codegen_operand(fx, operand); lval.write_cvalue(fx, operand.cast_pointer_to(to_layout)); } + Rvalue::Cast( + CastKind::PointerCoercion( + PointerCoercion::MutToConstPointer | PointerCoercion::ArrayToPointer, + ), + .., + ) => { + bug!( + "{:?} is for borrowck, and should never appear in codegen", + to_place_and_rval.1 + ); + } Rvalue::Cast( CastKind::IntToInt | CastKind::FloatToFloat diff --git a/compiler/rustc_codegen_ssa/src/mir/rvalue.rs b/compiler/rustc_codegen_ssa/src/mir/rvalue.rs index 3dc7dc355115..05861e337674 100644 --- a/compiler/rustc_codegen_ssa/src/mir/rvalue.rs +++ b/compiler/rustc_codegen_ssa/src/mir/rvalue.rs @@ -456,8 +456,12 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { base::unsize_ptr(bx, lldata, operand.layout.ty, cast.ty, llextra); OperandValue::Pair(lldata, llextra) } - mir::CastKind::PointerCoercion(PointerCoercion::MutToConstPointer) - | mir::CastKind::PtrToPtr + mir::CastKind::PointerCoercion( + PointerCoercion::MutToConstPointer | PointerCoercion::ArrayToPointer, + ) => { + bug!("{kind:?} is for borrowck, and should never appear in codegen"); + } + mir::CastKind::PtrToPtr if bx.cx().is_backend_scalar_pair(operand.layout) => { if let OperandValue::Pair(data_ptr, meta) = operand.val { @@ -477,9 +481,6 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { base::cast_to_dyn_star(bx, lldata, operand.layout, cast.ty, llextra); OperandValue::Pair(lldata, llextra) } - mir::CastKind::PointerCoercion( - PointerCoercion::MutToConstPointer | PointerCoercion::ArrayToPointer, - ) | mir::CastKind::IntToInt | mir::CastKind::FloatToInt | mir::CastKind::FloatToFloat diff --git a/compiler/rustc_const_eval/src/interpret/cast.rs b/compiler/rustc_const_eval/src/interpret/cast.rs index 6961e13c2399..a13630ce084d 100644 --- a/compiler/rustc_const_eval/src/interpret/cast.rs +++ b/compiler/rustc_const_eval/src/interpret/cast.rs @@ -70,9 +70,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { CastKind::PointerCoercion( PointerCoercion::MutToConstPointer | PointerCoercion::ArrayToPointer, ) => { - // These are NOPs, but can be wide pointers. - let v = self.read_immediate(src)?; - self.write_immediate(*v, dest)?; + bug!("{cast_kind:?} casts are for borrowck only, not runtime MIR"); } CastKind::PointerCoercion(PointerCoercion::ReifyFnPointer) => {

(&mut self, predicate: P) -> Option where P: FnOnce(&mut T) -> bool, From 1e23449678e4c986b609ed7a82ae6497e7b6ddd1 Mon Sep 17 00:00:00 2001 From: Samuel Tardieu Date: Sat, 25 May 2024 18:15:14 +0200 Subject: [PATCH 1090/1716] Move `is_receiver_of_method_call` to `clippy_utils` for reuse --- clippy_lints/src/methods/search_is_some.rs | 12 +----------- clippy_utils/src/lib.rs | 11 +++++++++++ 2 files changed, 12 insertions(+), 11 deletions(-) diff --git a/clippy_lints/src/methods/search_is_some.rs b/clippy_lints/src/methods/search_is_some.rs index f5f1e94bbf45..3b2dd285b8c9 100644 --- a/clippy_lints/src/methods/search_is_some.rs +++ b/clippy_lints/src/methods/search_is_some.rs @@ -2,7 +2,7 @@ use clippy_utils::diagnostics::{span_lint_and_help, span_lint_and_sugg}; use clippy_utils::source::{snippet, snippet_with_applicability}; use clippy_utils::sugg::deref_closure_args; use clippy_utils::ty::is_type_lang_item; -use clippy_utils::{get_parent_expr, is_trait_method, strip_pat_refs}; +use clippy_utils::{is_receiver_of_method_call, is_trait_method, strip_pat_refs}; use hir::ExprKind; use rustc_errors::Applicability; use rustc_hir as hir; @@ -156,13 +156,3 @@ pub(super) fn check<'tcx>( } } } - -fn is_receiver_of_method_call(cx: &LateContext<'_>, expr: &hir::Expr<'_>) -> bool { - if let Some(parent_expr) = get_parent_expr(cx, expr) - && let ExprKind::MethodCall(_, receiver, ..) = parent_expr.kind - && receiver.hir_id == expr.hir_id - { - return true; - } - false -} diff --git a/clippy_utils/src/lib.rs b/clippy_utils/src/lib.rs index 6d6c4ffbe5d6..6b00e793eaab 100644 --- a/clippy_utils/src/lib.rs +++ b/clippy_utils/src/lib.rs @@ -3401,3 +3401,14 @@ pub fn binary_expr_needs_parentheses(expr: &Expr<'_>) -> bool { contains_block(expr, false) } + +/// Returns true if the specified expression is in a receiver position. +pub fn is_receiver_of_method_call(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { + if let Some(parent_expr) = get_parent_expr(cx, expr) + && let ExprKind::MethodCall(_, receiver, ..) = parent_expr.kind + && receiver.hir_id == expr.hir_id + { + return true; + } + false +} From 35b2aa99f3357a69d09f247ed5aff64cdd7765b1 Mon Sep 17 00:00:00 2001 From: Samuel Tardieu Date: Sat, 25 May 2024 18:08:14 +0200 Subject: [PATCH 1091/1716] Add required parentheses around method receiver --- clippy_lints/src/needless_bool.rs | 13 ++++++++++--- tests/ui/needless_bool/fixable.fixed | 12 ++++++++++++ tests/ui/needless_bool/fixable.rs | 12 ++++++++++++ tests/ui/needless_bool/fixable.stderr | 20 +++++++++++++++++++- 4 files changed, 53 insertions(+), 4 deletions(-) diff --git a/clippy_lints/src/needless_bool.rs b/clippy_lints/src/needless_bool.rs index e1866eaa18a7..9cb4fa41c73f 100644 --- a/clippy_lints/src/needless_bool.rs +++ b/clippy_lints/src/needless_bool.rs @@ -6,8 +6,8 @@ use clippy_utils::diagnostics::{span_lint, span_lint_and_sugg}; use clippy_utils::source::snippet_with_applicability; use clippy_utils::sugg::Sugg; use clippy_utils::{ - higher, is_block_like, is_else_clause, is_expn_of, is_parent_stmt, peel_blocks, peel_blocks_with_stmt, - span_extract_comment, SpanlessEq, + get_parent_expr, higher, is_block_like, is_else_clause, is_expn_of, is_parent_stmt, is_receiver_of_method_call, + peel_blocks, peel_blocks_with_stmt, span_extract_comment, SpanlessEq, }; use rustc_ast::ast::LitKind; use rustc_errors::Applicability; @@ -154,7 +154,10 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessBool { snip = snip.blockify(); } - if condition_needs_parentheses(cond) && is_parent_stmt(cx, e.hir_id) { + if (condition_needs_parentheses(cond) && is_parent_stmt(cx, e.hir_id)) + || is_receiver_of_method_call(cx, e) + || is_as_argument(cx, e) + { snip = snip.maybe_par(); } @@ -442,3 +445,7 @@ fn fetch_assign<'tcx>(expr: &'tcx Expr<'tcx>) -> Option<(&'tcx Expr<'tcx>, bool) None } } + +fn is_as_argument(cx: &LateContext<'_>, e: &Expr<'_>) -> bool { + matches!(get_parent_expr(cx, e).map(|e| e.kind), Some(ExprKind::Cast(_, _))) +} diff --git a/tests/ui/needless_bool/fixable.fixed b/tests/ui/needless_bool/fixable.fixed index 3059de8f89c4..ec63c4fd6a26 100644 --- a/tests/ui/needless_bool/fixable.fixed +++ b/tests/ui/needless_bool/fixable.fixed @@ -131,3 +131,15 @@ fn needless_bool_condition() -> bool { foo() } + +fn issue12846() { + let a = true; + let b = false; + + // parentheses are needed here + let _x = (a && b).then(|| todo!()); + let _x = (a && b) as u8; + + // parentheses are not needed here + let _x = a.then(|| todo!()); +} diff --git a/tests/ui/needless_bool/fixable.rs b/tests/ui/needless_bool/fixable.rs index b2cbe86e2235..8694aa715908 100644 --- a/tests/ui/needless_bool/fixable.rs +++ b/tests/ui/needless_bool/fixable.rs @@ -191,3 +191,15 @@ fn needless_bool_condition() -> bool { foo() } + +fn issue12846() { + let a = true; + let b = false; + + // parentheses are needed here + let _x = if a && b { true } else { false }.then(|| todo!()); + let _x = if a && b { true } else { false } as u8; + + // parentheses are not needed here + let _x = if a { true } else { false }.then(|| todo!()); +} diff --git a/tests/ui/needless_bool/fixable.stderr b/tests/ui/needless_bool/fixable.stderr index 9746e931f50f..99b5b9983448 100644 --- a/tests/ui/needless_bool/fixable.stderr +++ b/tests/ui/needless_bool/fixable.stderr @@ -191,5 +191,23 @@ error: this if-then-else expression returns a bool literal LL | if unsafe { no(4) } & 1 != 0 { true } else { false } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can reduce it to: `(unsafe { no(4) } & 1 != 0)` -error: aborting due to 21 previous errors +error: this if-then-else expression returns a bool literal + --> tests/ui/needless_bool/fixable.rs:200:14 + | +LL | let _x = if a && b { true } else { false }.then(|| todo!()); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can reduce it to: `(a && b)` + +error: this if-then-else expression returns a bool literal + --> tests/ui/needless_bool/fixable.rs:201:14 + | +LL | let _x = if a && b { true } else { false } as u8; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can reduce it to: `(a && b)` + +error: this if-then-else expression returns a bool literal + --> tests/ui/needless_bool/fixable.rs:204:14 + | +LL | let _x = if a { true } else { false }.then(|| todo!()); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can reduce it to: `a` + +error: aborting due to 24 previous errors From a8084dcec1d2d36c286ca0e2c384e7bf5cfeffce Mon Sep 17 00:00:00 2001 From: Caio Date: Thu, 6 Jun 2024 16:30:05 -0300 Subject: [PATCH 1092/1716] [RFC-2011] Allow `core_intrinsics` when activated --- compiler/rustc_builtin_macros/src/assert/context.rs | 1 - library/core/src/macros/mod.rs | 7 ++++++- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/compiler/rustc_builtin_macros/src/assert/context.rs b/compiler/rustc_builtin_macros/src/assert/context.rs index d244897f8a5d..a98ed996df6e 100644 --- a/compiler/rustc_builtin_macros/src/assert/context.rs +++ b/compiler/rustc_builtin_macros/src/assert/context.rs @@ -58,7 +58,6 @@ impl<'cx, 'a> Context<'cx, 'a> { /// Builds the whole `assert!` expression. For example, `let elem = 1; assert!(elem == 1);` expands to: /// /// ```rust - /// #![feature(generic_assert_internals)] /// let elem = 1; /// { /// #[allow(unused_imports)] diff --git a/library/core/src/macros/mod.rs b/library/core/src/macros/mod.rs index 9bbaf62a5caa..395e04cf26e9 100644 --- a/library/core/src/macros/mod.rs +++ b/library/core/src/macros/mod.rs @@ -1534,7 +1534,12 @@ pub(crate) mod builtin { #[rustc_builtin_macro] #[macro_export] #[rustc_diagnostic_item = "assert_macro"] - #[allow_internal_unstable(panic_internals, edition_panic, generic_assert_internals)] + #[allow_internal_unstable( + core_intrinsics, + panic_internals, + edition_panic, + generic_assert_internals + )] macro_rules! assert { ($cond:expr $(,)?) => {{ /* compiler built-in */ }}; ($cond:expr, $($arg:tt)+) => {{ /* compiler built-in */ }}; From a5429d53afa0db4bc22950f4ac62ace8019a7481 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Thu, 6 Jun 2024 21:41:47 +0200 Subject: [PATCH 1093/1716] Remove `same-lib-two-locations-no-panic` run-make test This test doesn't really make any sense anymore, it became broken a long time ago. --- .../same-lib-two-locations-no-panic/bar.rs | 3 -- .../same-lib-two-locations-no-panic/foo.rs | 1 - .../same-lib-two-locations-no-panic/rmake.rs | 28 ------------------- 3 files changed, 32 deletions(-) delete mode 100644 tests/run-make/same-lib-two-locations-no-panic/bar.rs delete mode 100644 tests/run-make/same-lib-two-locations-no-panic/foo.rs delete mode 100644 tests/run-make/same-lib-two-locations-no-panic/rmake.rs diff --git a/tests/run-make/same-lib-two-locations-no-panic/bar.rs b/tests/run-make/same-lib-two-locations-no-panic/bar.rs deleted file mode 100644 index bb7b36c496ef..000000000000 --- a/tests/run-make/same-lib-two-locations-no-panic/bar.rs +++ /dev/null @@ -1,3 +0,0 @@ -extern crate foo; - -fn main() {} diff --git a/tests/run-make/same-lib-two-locations-no-panic/foo.rs b/tests/run-make/same-lib-two-locations-no-panic/foo.rs deleted file mode 100644 index 82b2dfe9fdb5..000000000000 --- a/tests/run-make/same-lib-two-locations-no-panic/foo.rs +++ /dev/null @@ -1 +0,0 @@ -#![crate_name = "foo"] diff --git a/tests/run-make/same-lib-two-locations-no-panic/rmake.rs b/tests/run-make/same-lib-two-locations-no-panic/rmake.rs deleted file mode 100644 index 2900c3c8b749..000000000000 --- a/tests/run-make/same-lib-two-locations-no-panic/rmake.rs +++ /dev/null @@ -1,28 +0,0 @@ -// A path which contains the same rlib or dylib in two locations -// should not cause an assertion panic in the compiler. -// This test tries to replicate the linked issue and checks -// if the bugged error makes a resurgence. - -// See https://github.com/rust-lang/rust/issues/11908 - -//@ ignore-cross-compile - -use run_make_support::{dynamic_lib, rust_lib, rustc, tmp_dir}; -use std::fs; - -fn main() { - let tmp_dir_other = tmp_dir().join("other"); - - fs::create_dir(&tmp_dir_other); - rustc().input("foo.rs").crate_type("dylib").arg("-Cprefer-dynamic").run(); - fs::rename(dynamic_lib("foo"), &tmp_dir_other); - rustc().input("foo.rs").crate_type("dylib").arg("-Cprefer-dynamic").run(); - rustc().input("bar.rs").library_search_path(&tmp_dir_other).run(); - fs::remove_dir_all(tmp_dir()); - - fs::create_dir_all(&tmp_dir_other); - rustc().input("foo.rs").crate_type("rlib").run(); - fs::rename(rust_lib("foo"), &tmp_dir_other); - rustc().input("foo.rs").crate_type("rlib").run(); - rustc().input("bar.rs").library_search_path(tmp_dir_other).run(); -} From 3a02cdb54fc4e7439d2fec5562052ddee746c7fa Mon Sep 17 00:00:00 2001 From: Nilstrieb <48135649+Nilstrieb@users.noreply.github.com> Date: Thu, 6 Jun 2024 21:50:24 +0200 Subject: [PATCH 1094/1716] Remove constant parameter from `CrateLocator::new` --- compiler/rustc_metadata/src/creader.rs | 1 - compiler/rustc_metadata/src/locator.rs | 16 +++------------- 2 files changed, 3 insertions(+), 14 deletions(-) diff --git a/compiler/rustc_metadata/src/creader.rs b/compiler/rustc_metadata/src/creader.rs index 44a3e9760e1e..ad283117d7e0 100644 --- a/compiler/rustc_metadata/src/creader.rs +++ b/compiler/rustc_metadata/src/creader.rs @@ -581,7 +581,6 @@ impl<'a, 'tcx> CrateLoader<'a, 'tcx> { self.tcx.crate_types().iter().all(|c| *c == CrateType::Rlib), hash, extra_filename, - false, // is_host path_kind, ); diff --git a/compiler/rustc_metadata/src/locator.rs b/compiler/rustc_metadata/src/locator.rs index 73443de35538..861c4d42189d 100644 --- a/compiler/rustc_metadata/src/locator.rs +++ b/compiler/rustc_metadata/src/locator.rs @@ -222,7 +222,6 @@ use rustc_data_structures::owned_slice::slice_owned; use rustc_data_structures::svh::Svh; use rustc_errors::{DiagArgValue, IntoDiagArg}; use rustc_fs_util::try_canonicalize; -use rustc_session::config; use rustc_session::cstore::CrateSource; use rustc_session::filesearch::FileSearch; use rustc_session::search_paths::PathKind; @@ -309,7 +308,6 @@ impl<'a> CrateLocator<'a> { is_rlib: bool, hash: Option, extra_filename: Option<&'a str>, - is_host: bool, path_kind: PathKind, ) -> CrateLocator<'a> { let needs_object_code = sess.opts.output_types.should_codegen(); @@ -340,17 +338,9 @@ impl<'a> CrateLocator<'a> { }, hash, extra_filename, - target: if is_host { &sess.host } else { &sess.target }, - triple: if is_host { - TargetTriple::from_triple(config::host_triple()) - } else { - sess.opts.target_triple.clone() - }, - filesearch: if is_host { - sess.host_filesearch(path_kind) - } else { - sess.target_filesearch(path_kind) - }, + target: &sess.target, + triple: sess.opts.target_triple.clone(), + filesearch: sess.target_filesearch(path_kind), is_proc_macro: false, crate_rejections: CrateRejections::default(), } From 4c2b21a2eff18212ae8363fd993d8a56d7ebfe83 Mon Sep 17 00:00:00 2001 From: Nilstrieb <48135649+Nilstrieb@users.noreply.github.com> Date: Thu, 6 Jun 2024 21:50:46 +0200 Subject: [PATCH 1095/1716] Simplify string operations in crate loader --- compiler/rustc_metadata/src/locator.rs | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) diff --git a/compiler/rustc_metadata/src/locator.rs b/compiler/rustc_metadata/src/locator.rs index 861c4d42189d..90fe52a34385 100644 --- a/compiler/rustc_metadata/src/locator.rs +++ b/compiler/rustc_metadata/src/locator.rs @@ -414,12 +414,18 @@ impl<'a> CrateLocator<'a> { debug!("testing {}", spf.path.display()); let f = &spf.file_name_str; - let (hash, kind) = if f.starts_with(rlib_prefix) && f.ends_with(rlib_suffix) { - (&f[rlib_prefix.len()..(f.len() - rlib_suffix.len())], CrateFlavor::Rlib) - } else if f.starts_with(rmeta_prefix) && f.ends_with(rmeta_suffix) { - (&f[rmeta_prefix.len()..(f.len() - rmeta_suffix.len())], CrateFlavor::Rmeta) - } else if f.starts_with(dylib_prefix) && f.ends_with(dylib_suffix.as_ref()) { - (&f[dylib_prefix.len()..(f.len() - dylib_suffix.len())], CrateFlavor::Dylib) + let (hash, kind) = if let Some(f) = f.strip_prefix(rlib_prefix) + && let Some(f) = f.strip_suffix(rlib_suffix) + { + (f, CrateFlavor::Rlib) + } else if let Some(f) = f.strip_prefix(rmeta_prefix) + && let Some(f) = f.strip_suffix(rmeta_suffix) + { + (f, CrateFlavor::Rmeta) + } else if let Some(f) = f.strip_prefix(dylib_prefix) + && let Some(f) = f.strip_suffix(dylib_suffix.as_ref()) + { + (f, CrateFlavor::Dylib) } else { if f.starts_with(staticlib_prefix) && f.ends_with(staticlib_suffix.as_ref()) { self.crate_rejections.via_kind.push(CrateMismatch { From b4c439c3de913953a2968c6917e125fafaacf886 Mon Sep 17 00:00:00 2001 From: Nilstrieb <48135649+Nilstrieb@users.noreply.github.com> Date: Thu, 6 Jun 2024 21:52:22 +0200 Subject: [PATCH 1096/1716] Improve naming and path operations in crate loader Simplify the path operation with `join`, clarify some of the names. --- compiler/rustc_session/src/filesearch.rs | 18 +++++++++--------- compiler/rustc_target/src/lib.rs | 12 ++++-------- compiler/rustc_target/src/spec/mod.rs | 2 +- 3 files changed, 14 insertions(+), 18 deletions(-) diff --git a/compiler/rustc_session/src/filesearch.rs b/compiler/rustc_session/src/filesearch.rs index 9cb8cd836e6b..6f63776bedcc 100644 --- a/compiler/rustc_session/src/filesearch.rs +++ b/compiler/rustc_session/src/filesearch.rs @@ -12,7 +12,7 @@ use tracing::debug; pub struct FileSearch<'a> { sysroot: &'a Path, triple: &'a str, - search_paths: &'a [SearchPath], + cli_search_paths: &'a [SearchPath], tlib_path: &'a SearchPath, kind: PathKind, } @@ -20,7 +20,7 @@ pub struct FileSearch<'a> { impl<'a> FileSearch<'a> { pub fn search_paths(&self) -> impl Iterator { let kind = self.kind; - self.search_paths + self.cli_search_paths .iter() .filter(move |sp| sp.kind.matches(kind)) .chain(std::iter::once(self.tlib_path)) @@ -37,26 +37,26 @@ impl<'a> FileSearch<'a> { pub fn new( sysroot: &'a Path, triple: &'a str, - search_paths: &'a [SearchPath], + cli_search_paths: &'a [SearchPath], tlib_path: &'a SearchPath, kind: PathKind, ) -> FileSearch<'a> { debug!("using sysroot = {}, triple = {}", sysroot.display(), triple); - FileSearch { sysroot, triple, search_paths, tlib_path, kind } + FileSearch { sysroot, triple, cli_search_paths, tlib_path, kind } } } pub fn make_target_lib_path(sysroot: &Path, target_triple: &str) -> PathBuf { - let rustlib_path = rustc_target::target_rustlib_path(sysroot, target_triple); - PathBuf::from_iter([sysroot, Path::new(&rustlib_path), Path::new("lib")]) + let rustlib_path = rustc_target::relative_target_rustlib_path(sysroot, target_triple); + sysroot.join(rustlib_path).join("lib") } /// Returns a path to the target's `bin` folder within its `rustlib` path in the sysroot. This is /// where binaries are usually installed, e.g. the self-contained linkers, lld-wrappers, LLVM tools, /// etc. pub fn make_target_bin_path(sysroot: &Path, target_triple: &str) -> PathBuf { - let rustlib_path = rustc_target::target_rustlib_path(sysroot, target_triple); - PathBuf::from_iter([sysroot, Path::new(&rustlib_path), Path::new("bin")]) + let rustlib_path = rustc_target::relative_target_rustlib_path(sysroot, target_triple); + sysroot.join(rustlib_path).join("bin") } #[cfg(unix)] @@ -275,7 +275,7 @@ pub fn get_or_default_sysroot() -> Result { p.pop(); p.pop(); // Look for the target rustlib directory in the suspected sysroot. - let mut rustlib_path = rustc_target::target_rustlib_path(&p, "dummy"); + let mut rustlib_path = rustc_target::relative_target_rustlib_path(&p, "dummy"); rustlib_path.pop(); // pop off the dummy target. rustlib_path.exists().then_some(p) } diff --git a/compiler/rustc_target/src/lib.rs b/compiler/rustc_target/src/lib.rs index 46c83be9d95f..ecc91ab9a310 100644 --- a/compiler/rustc_target/src/lib.rs +++ b/compiler/rustc_target/src/lib.rs @@ -41,17 +41,13 @@ const RUST_LIB_DIR: &str = "rustlib"; /// /// For example: `target_sysroot_path("/usr", "x86_64-unknown-linux-gnu")` => /// `"lib*/rustlib/x86_64-unknown-linux-gnu"`. -pub fn target_rustlib_path(sysroot: &Path, target_triple: &str) -> PathBuf { - let libdir = find_libdir(sysroot); - PathBuf::from_iter([ - Path::new(libdir.as_ref()), - Path::new(RUST_LIB_DIR), - Path::new(target_triple), - ]) +pub fn relative_target_rustlib_path(sysroot: &Path, target_triple: &str) -> PathBuf { + let libdir = find_relative_libdir(sysroot); + Path::new(libdir.as_ref()).join(RUST_LIB_DIR).join(target_triple) } /// The name of the directory rustc expects libraries to be located. -fn find_libdir(sysroot: &Path) -> std::borrow::Cow<'static, str> { +fn find_relative_libdir(sysroot: &Path) -> std::borrow::Cow<'static, str> { // FIXME: This is a quick hack to make the rustc binary able to locate // Rust libraries in Linux environments where libraries might be installed // to lib64/lib32. This would be more foolproof by basing the sysroot off diff --git a/compiler/rustc_target/src/spec/mod.rs b/compiler/rustc_target/src/spec/mod.rs index 83ee63e2cf28..fe07d116726b 100644 --- a/compiler/rustc_target/src/spec/mod.rs +++ b/compiler/rustc_target/src/spec/mod.rs @@ -3367,7 +3367,7 @@ impl Target { // Additionally look in the sysroot under `lib/rustlib//target.json` // as a fallback. - let rustlib_path = crate::target_rustlib_path(sysroot, target_triple); + let rustlib_path = crate::relative_target_rustlib_path(sysroot, target_triple); let p = PathBuf::from_iter([ Path::new(sysroot), Path::new(&rustlib_path), From 5b63ab113118a97997c6bb2b553a54687b1b67d2 Mon Sep 17 00:00:00 2001 From: Renato Lochetti Date: Thu, 6 Jun 2024 21:33:37 +0100 Subject: [PATCH 1097/1716] Lint `manual_unwrap_or_default` for Result as well --- clippy_lints/src/manual_unwrap_or_default.rs | 11 ++++++++- tests/ui/manual_unwrap_or_default.fixed | 6 +++++ tests/ui/manual_unwrap_or_default.rs | 15 ++++++++++++ tests/ui/manual_unwrap_or_default.stderr | 25 ++++++++++++++++++-- 4 files changed, 54 insertions(+), 3 deletions(-) diff --git a/clippy_lints/src/manual_unwrap_or_default.rs b/clippy_lints/src/manual_unwrap_or_default.rs index 84fb183e3f79..8bcc0acb7da7 100644 --- a/clippy_lints/src/manual_unwrap_or_default.rs +++ b/clippy_lints/src/manual_unwrap_or_default.rs @@ -57,7 +57,8 @@ fn get_some<'tcx>(cx: &LateContext<'tcx>, pat: &Pat<'tcx>) -> Option { // Since it comes from a pattern binding, we need to get the parent to actually match // against it. && let Some(def_id) = cx.tcx.opt_parent(def_id) - && cx.tcx.lang_items().get(LangItem::OptionSome) == Some(def_id) + && (cx.tcx.lang_items().get(LangItem::OptionSome) == Some(def_id) + || cx.tcx.lang_items().get(LangItem::ResultOk) == Some(def_id)) { let mut bindings = Vec::new(); pat.each_binding(|_, id, _, _| bindings.push(id)); @@ -80,6 +81,14 @@ fn get_none<'tcx>(cx: &LateContext<'tcx>, arm: &Arm<'tcx>) -> Option<&'tcx Expr< && cx.tcx.lang_items().get(LangItem::OptionNone) == Some(def_id) { Some(arm.body) + } else if let PatKind::TupleStruct(QPath::Resolved(_, path), _, _)= arm.pat.kind + && let Some(def_id) = path.res.opt_def_id() + // Since it comes from a pattern binding, we need to get the parent to actually match + // against it. + && let Some(def_id) = cx.tcx.opt_parent(def_id) + && cx.tcx.lang_items().get(LangItem::ResultErr) == Some(def_id) + { + Some(arm.body) } else if let PatKind::Wild = arm.pat.kind { // We consider that the `Some` check will filter it out if it's not right. Some(arm.body) diff --git a/tests/ui/manual_unwrap_or_default.fixed b/tests/ui/manual_unwrap_or_default.fixed index d6e736ba9cc2..663de1a5f067 100644 --- a/tests/ui/manual_unwrap_or_default.fixed +++ b/tests/ui/manual_unwrap_or_default.fixed @@ -26,6 +26,12 @@ fn main() { Some(x) => x, None => &[], }; + + let x: Result = Ok(String::new()); + x.unwrap_or_default(); + + let x: Result = Ok(String::new()); + x.unwrap_or_default(); } // Issue #12531 diff --git a/tests/ui/manual_unwrap_or_default.rs b/tests/ui/manual_unwrap_or_default.rs index 462d5d90ee77..75ffe09be9d4 100644 --- a/tests/ui/manual_unwrap_or_default.rs +++ b/tests/ui/manual_unwrap_or_default.rs @@ -47,6 +47,21 @@ fn main() { Some(x) => x, None => &[], }; + + let x: Result = Ok(String::new()); + match x { + //~^ ERROR: match can be simplified with `.unwrap_or_default()` + Ok(v) => v, + Err(_) => String::new(), + }; + + let x: Result = Ok(String::new()); + if let Ok(v) = x { + //~^ ERROR: if let can be simplified with `.unwrap_or_default()` + v + } else { + String::new() + }; } // Issue #12531 diff --git a/tests/ui/manual_unwrap_or_default.stderr b/tests/ui/manual_unwrap_or_default.stderr index 3f1da444301f..9e3b1be5cb9b 100644 --- a/tests/ui/manual_unwrap_or_default.stderr +++ b/tests/ui/manual_unwrap_or_default.stderr @@ -53,7 +53,28 @@ LL | | }; | |_____^ help: replace it with: `x.unwrap_or_default()` error: match can be simplified with `.unwrap_or_default()` - --> tests/ui/manual_unwrap_or_default.rs:56:20 + --> tests/ui/manual_unwrap_or_default.rs:52:5 + | +LL | / match x { +LL | | +LL | | Ok(v) => v, +LL | | Err(_) => String::new(), +LL | | }; + | |_____^ help: replace it with: `x.unwrap_or_default()` + +error: if let can be simplified with `.unwrap_or_default()` + --> tests/ui/manual_unwrap_or_default.rs:59:5 + | +LL | / if let Ok(v) = x { +LL | | +LL | | v +LL | | } else { +LL | | String::new() +LL | | }; + | |_____^ help: replace it with: `x.unwrap_or_default()` + +error: match can be simplified with `.unwrap_or_default()` + --> tests/ui/manual_unwrap_or_default.rs:71:20 | LL | Some(_) => match *b { | ____________________^ @@ -62,5 +83,5 @@ LL | | _ => 0, LL | | }, | |_________^ help: replace it with: `(*b).unwrap_or_default()` -error: aborting due to 6 previous errors +error: aborting due to 8 previous errors From 216424da32db1bf0d224b97ff3d0424622c97c4c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?R=C3=A9my=20Rakic?= Date: Thu, 6 Jun 2024 20:39:54 +0000 Subject: [PATCH 1098/1716] Revert "Rollup merge of #124099 - voidc:disallow-ambiguous-expr-attrs, r=davidtwco" This reverts commit 57dad1d75e562ff73051c1c43b07eaf65c7dbd74, reversing changes made to 36316df9fe6c3e246153fe6e78967643cf08c148. --- compiler/rustc_parse/messages.ftl | 2 - compiler/rustc_parse/src/errors.rs | 9 ---- compiler/rustc_parse/src/parser/expr.rs | 32 ++++++------- .../clippy/tests/ui/cfg_attr_rustfmt.fixed | 6 +-- src/tools/clippy/tests/ui/cfg_attr_rustfmt.rs | 6 +-- src/tools/rustfmt/tests/source/attrib.rs | 4 +- src/tools/rustfmt/tests/target/attrib.rs | 4 +- tests/pretty/ast-stmt-expr-attr.rs | 18 ++++---- tests/pretty/stmt_expr_attributes.rs | 12 ++--- .../unused/unused-doc-comments-edge-cases.rs | 4 +- .../unused-doc-comments-edge-cases.stderr | 14 +++--- .../attribute/attr-binary-expr-ambigous.fixed | 15 ------ .../attribute/attr-binary-expr-ambigous.rs | 15 ------ .../attr-binary-expr-ambigous.stderr | 46 ------------------- tests/ui/proc-macro/issue-81555.rs | 3 +- 15 files changed, 49 insertions(+), 141 deletions(-) delete mode 100644 tests/ui/parser/attribute/attr-binary-expr-ambigous.fixed delete mode 100644 tests/ui/parser/attribute/attr-binary-expr-ambigous.rs delete mode 100644 tests/ui/parser/attribute/attr-binary-expr-ambigous.stderr diff --git a/compiler/rustc_parse/messages.ftl b/compiler/rustc_parse/messages.ftl index 04f855e4f559..f678d11213c7 100644 --- a/compiler/rustc_parse/messages.ftl +++ b/compiler/rustc_parse/messages.ftl @@ -622,8 +622,6 @@ parse_or_pattern_not_allowed_in_let_binding = top-level or-patterns are not allo parse_out_of_range_hex_escape = out of range hex escape .label = must be a character in the range [\x00-\x7f] -parse_outer_attr_ambiguous = ambiguous outer attributes - parse_outer_attr_explanation = outer attributes, like `#[test]`, annotate the item following them parse_outer_attribute_not_allowed_on_if_else = outer attributes are not allowed on `if` and `else` branches diff --git a/compiler/rustc_parse/src/errors.rs b/compiler/rustc_parse/src/errors.rs index 3f08a830b0c9..6c1fcbe06fc5 100644 --- a/compiler/rustc_parse/src/errors.rs +++ b/compiler/rustc_parse/src/errors.rs @@ -495,15 +495,6 @@ pub(crate) struct OuterAttributeNotAllowedOnIfElse { pub attributes: Span, } -#[derive(Diagnostic)] -#[diag(parse_outer_attr_ambiguous)] -pub(crate) struct AmbiguousOuterAttributes { - #[primary_span] - pub span: Span, - #[subdiagnostic] - pub sugg: WrapInParentheses, -} - #[derive(Diagnostic)] #[diag(parse_missing_in_in_for_loop)] pub(crate) struct MissingInInForLoop { diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs index 1b99bc015b60..285bac3f4b88 100644 --- a/compiler/rustc_parse/src/parser/expr.rs +++ b/compiler/rustc_parse/src/parser/expr.rs @@ -328,9 +328,7 @@ impl<'a> Parser<'a> { this.parse_expr_assoc_with(prec + prec_adjustment, LhsExpr::NotYetParsed) })?; - self.error_ambiguous_outer_attrs(&lhs, lhs_span, rhs.span); - let span = lhs_span.to(rhs.span); - + let span = self.mk_expr_sp(&lhs, lhs_span, rhs.span); lhs = match op { AssocOp::Add | AssocOp::Subtract @@ -429,18 +427,6 @@ impl<'a> Parser<'a> { }); } - fn error_ambiguous_outer_attrs(&self, lhs: &P, lhs_span: Span, rhs_span: Span) { - if let Some(attr) = lhs.attrs.iter().find(|a| a.style == AttrStyle::Outer) { - self.dcx().emit_err(errors::AmbiguousOuterAttributes { - span: attr.span.to(rhs_span), - sugg: errors::WrapInParentheses::Expression { - left: attr.span.shrink_to_lo(), - right: lhs_span.shrink_to_hi(), - }, - }); - } - } - /// Possibly translate the current token to an associative operator. /// The method does not advance the current token. /// @@ -520,8 +506,7 @@ impl<'a> Parser<'a> { None }; let rhs_span = rhs.as_ref().map_or(cur_op_span, |x| x.span); - self.error_ambiguous_outer_attrs(&lhs, lhs.span, rhs_span); - let span = lhs.span.to(rhs_span); + let span = self.mk_expr_sp(&lhs, lhs.span, rhs_span); let limits = if op == AssocOp::DotDot { RangeLimits::HalfOpen } else { RangeLimits::Closed }; let range = self.mk_range(Some(lhs), rhs, limits); @@ -739,8 +724,7 @@ impl<'a> Parser<'a> { expr_kind: fn(P, P) -> ExprKind, ) -> PResult<'a, P> { let mk_expr = |this: &mut Self, lhs: P, rhs: P| { - this.error_ambiguous_outer_attrs(&lhs, lhs_span, rhs.span); - this.mk_expr(lhs_span.to(rhs.span), expr_kind(lhs, rhs)) + this.mk_expr(this.mk_expr_sp(&lhs, lhs_span, rhs.span), expr_kind(lhs, rhs)) }; // Save the state of the parser before parsing type normally, in case there is a @@ -3858,6 +3842,16 @@ impl<'a> Parser<'a> { self.mk_expr(span, ExprKind::Err(guar)) } + /// Create expression span ensuring the span of the parent node + /// is larger than the span of lhs and rhs, including the attributes. + fn mk_expr_sp(&self, lhs: &P, lhs_span: Span, rhs_span: Span) -> Span { + lhs.attrs + .iter() + .find(|a| a.style == AttrStyle::Outer) + .map_or(lhs_span, |a| a.span) + .to(rhs_span) + } + fn collect_tokens_for_expr( &mut self, attrs: AttrWrapper, diff --git a/src/tools/clippy/tests/ui/cfg_attr_rustfmt.fixed b/src/tools/clippy/tests/ui/cfg_attr_rustfmt.fixed index 84dac431169a..05d5b3d10eaf 100644 --- a/src/tools/clippy/tests/ui/cfg_attr_rustfmt.fixed +++ b/src/tools/clippy/tests/ui/cfg_attr_rustfmt.fixed @@ -16,7 +16,7 @@ fn foo( fn skip_on_statements() { #[rustfmt::skip] - { 5+3; } + 5+3; } #[rustfmt::skip] @@ -33,11 +33,11 @@ mod foo { #[clippy::msrv = "1.29"] fn msrv_1_29() { #[cfg_attr(rustfmt, rustfmt::skip)] - { 1+29; } + 1+29; } #[clippy::msrv = "1.30"] fn msrv_1_30() { #[rustfmt::skip] - { 1+30; } + 1+30; } diff --git a/src/tools/clippy/tests/ui/cfg_attr_rustfmt.rs b/src/tools/clippy/tests/ui/cfg_attr_rustfmt.rs index 4ab5c70e13b5..bc29e20210e8 100644 --- a/src/tools/clippy/tests/ui/cfg_attr_rustfmt.rs +++ b/src/tools/clippy/tests/ui/cfg_attr_rustfmt.rs @@ -16,7 +16,7 @@ fn foo( fn skip_on_statements() { #[cfg_attr(rustfmt, rustfmt::skip)] - { 5+3; } + 5+3; } #[cfg_attr(rustfmt, rustfmt_skip)] @@ -33,11 +33,11 @@ mod foo { #[clippy::msrv = "1.29"] fn msrv_1_29() { #[cfg_attr(rustfmt, rustfmt::skip)] - { 1+29; } + 1+29; } #[clippy::msrv = "1.30"] fn msrv_1_30() { #[cfg_attr(rustfmt, rustfmt::skip)] - { 1+30; } + 1+30; } diff --git a/src/tools/rustfmt/tests/source/attrib.rs b/src/tools/rustfmt/tests/source/attrib.rs index fc13cd02b03e..d45fba552243 100644 --- a/src/tools/rustfmt/tests/source/attrib.rs +++ b/src/tools/rustfmt/tests/source/attrib.rs @@ -214,8 +214,8 @@ type Os = NoSource; // #3313 fn stmt_expr_attributes() { let foo ; - (#[must_use] - foo) = false ; + #[must_use] + foo = false ; } // #3509 diff --git a/src/tools/rustfmt/tests/target/attrib.rs b/src/tools/rustfmt/tests/target/attrib.rs index 7b3309676de2..7e61f68d76a1 100644 --- a/src/tools/rustfmt/tests/target/attrib.rs +++ b/src/tools/rustfmt/tests/target/attrib.rs @@ -248,8 +248,8 @@ type Os = NoSource; // #3313 fn stmt_expr_attributes() { let foo; - (#[must_use] - foo) = false; + #[must_use] + foo = false; } // #3509 diff --git a/tests/pretty/ast-stmt-expr-attr.rs b/tests/pretty/ast-stmt-expr-attr.rs index 899f7173f704..fd7272a1b1fd 100644 --- a/tests/pretty/ast-stmt-expr-attr.rs +++ b/tests/pretty/ast-stmt-expr-attr.rs @@ -13,17 +13,17 @@ fn syntax() { let _ = #[attr] (); let _ = #[attr] (#[attr] 0,); let _ = #[attr] (#[attr] 0, 0); - let _ = (#[attr] 0) + #[attr] 0; - let _ = (#[attr] 0) / #[attr] 0; - let _ = (#[attr] 0) & #[attr] 0; - let _ = (#[attr] 0) % #[attr] 0; + let _ = #[attr] 0 + #[attr] 0; + let _ = #[attr] 0 / #[attr] 0; + let _ = #[attr] 0 & #[attr] 0; + let _ = #[attr] 0 % #[attr] 0; let _ = #[attr] (0 + 0); let _ = #[attr] !0; let _ = #[attr] -0; let _ = #[attr] false; let _ = #[attr] 0; let _ = #[attr] 'c'; - let _ = (#[attr] x) as Y; + let _ = #[attr] x as Y; let _ = #[attr] (x as Y); let _ = #[attr] while true { @@ -88,9 +88,9 @@ fn syntax() { let _ = (); foo }; - let _ = (#[attr] x) = y; + let _ = #[attr] x = y; let _ = #[attr] (x = y); - let _ = (#[attr] x) += y; + let _ = #[attr] x += y; let _ = #[attr] (x += y); let _ = #[attr] foo.bar; let _ = (#[attr] foo).bar; @@ -98,8 +98,8 @@ fn syntax() { let _ = (#[attr] foo).0; let _ = #[attr] foo[bar]; let _ = (#[attr] foo)[bar]; - let _ = (#[attr] 0)..#[attr] 0; - let _ = (#[attr] 0)..; + let _ = #[attr] 0..#[attr] 0; + let _ = #[attr] 0..; let _ = #[attr] (0..0); let _ = #[attr] (0..); let _ = #[attr] (..0); diff --git a/tests/pretty/stmt_expr_attributes.rs b/tests/pretty/stmt_expr_attributes.rs index f90412682110..e7fd46427242 100644 --- a/tests/pretty/stmt_expr_attributes.rs +++ b/tests/pretty/stmt_expr_attributes.rs @@ -147,13 +147,13 @@ fn _11() { let _ = #[rustc_dummy] (0); let _ = #[rustc_dummy] (0,); let _ = #[rustc_dummy] (0, 0); - let _ = (#[rustc_dummy] 0) + #[rustc_dummy] 0; + let _ = #[rustc_dummy] 0 + #[rustc_dummy] 0; let _ = #[rustc_dummy] !0; let _ = #[rustc_dummy] -0i32; let _ = #[rustc_dummy] false; let _ = #[rustc_dummy] 'c'; let _ = #[rustc_dummy] 0; - let _ = (#[rustc_dummy] 0) as usize; + let _ = #[rustc_dummy] 0 as usize; let _ = #[rustc_dummy] while false { #![rustc_dummy] @@ -208,8 +208,8 @@ fn _11() { }; let const {} = #[rustc_dummy] const {}; let mut x = 0; - let _ = (#[rustc_dummy] x) = 15; - let _ = (#[rustc_dummy] x) += 15; + let _ = #[rustc_dummy] x = 15; + let _ = #[rustc_dummy] x += 15; let s = Foo { data: () }; let _ = #[rustc_dummy] s.data; let _ = (#[rustc_dummy] s).data; @@ -219,8 +219,8 @@ fn _11() { let v = vec!(0); let _ = #[rustc_dummy] v[0]; let _ = (#[rustc_dummy] v)[0]; - let _ = (#[rustc_dummy] 0)..#[rustc_dummy] 0; - let _ = (#[rustc_dummy] 0)..; + let _ = #[rustc_dummy] 0..#[rustc_dummy] 0; + let _ = #[rustc_dummy] 0..; let _ = #[rustc_dummy] (0..0); let _ = #[rustc_dummy] (0..); let _ = #[rustc_dummy] (..0); diff --git a/tests/ui/lint/unused/unused-doc-comments-edge-cases.rs b/tests/ui/lint/unused/unused-doc-comments-edge-cases.rs index 0f9eac93930b..ba32fb566e83 100644 --- a/tests/ui/lint/unused/unused-doc-comments-edge-cases.rs +++ b/tests/ui/lint/unused/unused-doc-comments-edge-cases.rs @@ -20,10 +20,10 @@ fn doc_comment_between_if_else(num: u8) -> bool { } fn doc_comment_on_expr(num: u8) -> bool { - (/// useless doc comment + /// useless doc comment //~^ ERROR: attributes on expressions are experimental //~| ERROR: unused doc comment - num) == 3 + num == 3 } fn doc_comment_on_expr_field() -> bool { diff --git a/tests/ui/lint/unused/unused-doc-comments-edge-cases.stderr b/tests/ui/lint/unused/unused-doc-comments-edge-cases.stderr index 1ff5c8d88253..c07411745549 100644 --- a/tests/ui/lint/unused/unused-doc-comments-edge-cases.stderr +++ b/tests/ui/lint/unused/unused-doc-comments-edge-cases.stderr @@ -5,10 +5,10 @@ LL | else { | ^^^^ expected expression error[E0658]: attributes on expressions are experimental - --> $DIR/unused-doc-comments-edge-cases.rs:23:6 + --> $DIR/unused-doc-comments-edge-cases.rs:23:5 | -LL | (/// useless doc comment - | ^^^^^^^^^^^^^^^^^^^^^^^ +LL | /// useless doc comment + | ^^^^^^^^^^^^^^^^^^^^^^^ | = note: see issue #15701 for more information = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable @@ -32,12 +32,12 @@ LL | #![deny(unused_doc_comments)] | ^^^^^^^^^^^^^^^^^^^ error: unused doc comment - --> $DIR/unused-doc-comments-edge-cases.rs:23:6 + --> $DIR/unused-doc-comments-edge-cases.rs:23:5 | -LL | (/// useless doc comment - | ^^^^^^^^^^^^^^^^^^^^^^^ +LL | /// useless doc comment + | ^^^^^^^^^^^^^^^^^^^^^^^ ... -LL | num) == 3 +LL | num == 3 | --- rustdoc does not generate documentation for expressions | = help: use `//` for a plain comment diff --git a/tests/ui/parser/attribute/attr-binary-expr-ambigous.fixed b/tests/ui/parser/attribute/attr-binary-expr-ambigous.fixed deleted file mode 100644 index aae71ede7713..000000000000 --- a/tests/ui/parser/attribute/attr-binary-expr-ambigous.fixed +++ /dev/null @@ -1,15 +0,0 @@ -//@ run-rustfix -#![feature(stmt_expr_attributes)] -#![allow(unused_assignments, unused_attributes)] - -fn main() { - let mut x = (#[deprecated] 1) + 2; //~ ERROR ambiguous - - (#[deprecated] x) = 4; //~ ERROR ambiguous - - x = (#[deprecated] 5) as i32; //~ ERROR ambiguous - - let _r = (#[deprecated] 1)..6; //~ ERROR ambiguous - - println!("{}", x); -} diff --git a/tests/ui/parser/attribute/attr-binary-expr-ambigous.rs b/tests/ui/parser/attribute/attr-binary-expr-ambigous.rs deleted file mode 100644 index 613e01d743bd..000000000000 --- a/tests/ui/parser/attribute/attr-binary-expr-ambigous.rs +++ /dev/null @@ -1,15 +0,0 @@ -//@ run-rustfix -#![feature(stmt_expr_attributes)] -#![allow(unused_assignments, unused_attributes)] - -fn main() { - let mut x = #[deprecated] 1 + 2; //~ ERROR ambiguous - - #[deprecated] x = 4; //~ ERROR ambiguous - - x = #[deprecated] 5 as i32; //~ ERROR ambiguous - - let _r = #[deprecated] 1..6; //~ ERROR ambiguous - - println!("{}", x); -} diff --git a/tests/ui/parser/attribute/attr-binary-expr-ambigous.stderr b/tests/ui/parser/attribute/attr-binary-expr-ambigous.stderr deleted file mode 100644 index 0430570fd49d..000000000000 --- a/tests/ui/parser/attribute/attr-binary-expr-ambigous.stderr +++ /dev/null @@ -1,46 +0,0 @@ -error: ambiguous outer attributes - --> $DIR/attr-binary-expr-ambigous.rs:6:17 - | -LL | let mut x = #[deprecated] 1 + 2; - | ^^^^^^^^^^^^^^^^^^^ - | -help: wrap the expression in parentheses - | -LL | let mut x = (#[deprecated] 1) + 2; - | + + - -error: ambiguous outer attributes - --> $DIR/attr-binary-expr-ambigous.rs:8:5 - | -LL | #[deprecated] x = 4; - | ^^^^^^^^^^^^^^^^^^^ - | -help: wrap the expression in parentheses - | -LL | (#[deprecated] x) = 4; - | + + - -error: ambiguous outer attributes - --> $DIR/attr-binary-expr-ambigous.rs:10:9 - | -LL | x = #[deprecated] 5 as i32; - | ^^^^^^^^^^^^^^^^^^^^^^ - | -help: wrap the expression in parentheses - | -LL | x = (#[deprecated] 5) as i32; - | + + - -error: ambiguous outer attributes - --> $DIR/attr-binary-expr-ambigous.rs:12:14 - | -LL | let _r = #[deprecated] 1..6; - | ^^^^^^^^^^^^^^^^^^ - | -help: wrap the expression in parentheses - | -LL | let _r = (#[deprecated] 1)..6; - | + + - -error: aborting due to 4 previous errors - diff --git a/tests/ui/proc-macro/issue-81555.rs b/tests/ui/proc-macro/issue-81555.rs index b337ab7ce37d..7a61a31952f4 100644 --- a/tests/ui/proc-macro/issue-81555.rs +++ b/tests/ui/proc-macro/issue-81555.rs @@ -10,5 +10,6 @@ use test_macros::identity_attr; fn main() { let _x; let y = (); - (#[identity_attr] _x) = y; + #[identity_attr] + _x = y; } From 5ea5f6351e29ebbac17d1d45d87322bec8793b83 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?R=C3=A9my=20Rakic?= Date: Thu, 6 Jun 2024 20:39:54 +0000 Subject: [PATCH 1099/1716] Revert "Rollup merge of #124099 - voidc:disallow-ambiguous-expr-attrs, r=davidtwco" This reverts commit 57dad1d75e562ff73051c1c43b07eaf65c7dbd74, reversing changes made to 36316df9fe6c3e246153fe6e78967643cf08c148. --- tests/ui/cfg_attr_rustfmt.fixed | 6 +++--- tests/ui/cfg_attr_rustfmt.rs | 6 +++--- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/tests/ui/cfg_attr_rustfmt.fixed b/tests/ui/cfg_attr_rustfmt.fixed index 84dac431169a..05d5b3d10eaf 100644 --- a/tests/ui/cfg_attr_rustfmt.fixed +++ b/tests/ui/cfg_attr_rustfmt.fixed @@ -16,7 +16,7 @@ fn foo( fn skip_on_statements() { #[rustfmt::skip] - { 5+3; } + 5+3; } #[rustfmt::skip] @@ -33,11 +33,11 @@ mod foo { #[clippy::msrv = "1.29"] fn msrv_1_29() { #[cfg_attr(rustfmt, rustfmt::skip)] - { 1+29; } + 1+29; } #[clippy::msrv = "1.30"] fn msrv_1_30() { #[rustfmt::skip] - { 1+30; } + 1+30; } diff --git a/tests/ui/cfg_attr_rustfmt.rs b/tests/ui/cfg_attr_rustfmt.rs index 4ab5c70e13b5..bc29e20210e8 100644 --- a/tests/ui/cfg_attr_rustfmt.rs +++ b/tests/ui/cfg_attr_rustfmt.rs @@ -16,7 +16,7 @@ fn foo( fn skip_on_statements() { #[cfg_attr(rustfmt, rustfmt::skip)] - { 5+3; } + 5+3; } #[cfg_attr(rustfmt, rustfmt_skip)] @@ -33,11 +33,11 @@ mod foo { #[clippy::msrv = "1.29"] fn msrv_1_29() { #[cfg_attr(rustfmt, rustfmt::skip)] - { 1+29; } + 1+29; } #[clippy::msrv = "1.30"] fn msrv_1_30() { #[cfg_attr(rustfmt, rustfmt::skip)] - { 1+30; } + 1+30; } From 478d44487e4c69888b29a1bddbcedc7872fbef28 Mon Sep 17 00:00:00 2001 From: Renato Lochetti Date: Thu, 6 Jun 2024 21:44:06 +0100 Subject: [PATCH 1100/1716] Allow manual_unwrap_or_default at useless_conversion_try tests --- tests/ui/useless_conversion_try.rs | 6 +++++- tests/ui/useless_conversion_try.stderr | 18 +++++++++--------- 2 files changed, 14 insertions(+), 10 deletions(-) diff --git a/tests/ui/useless_conversion_try.rs b/tests/ui/useless_conversion_try.rs index 803d3b39f375..23edeae12b83 100644 --- a/tests/ui/useless_conversion_try.rs +++ b/tests/ui/useless_conversion_try.rs @@ -1,5 +1,9 @@ #![deny(clippy::useless_conversion)] -#![allow(clippy::needless_if, clippy::unnecessary_fallible_conversions)] +#![allow( + clippy::needless_if, + clippy::unnecessary_fallible_conversions, + clippy::manual_unwrap_or_default +)] fn test_generic(val: T) -> T { let _ = T::try_from(val).unwrap(); diff --git a/tests/ui/useless_conversion_try.stderr b/tests/ui/useless_conversion_try.stderr index 11fb8f38ea5c..30a43629dbd6 100644 --- a/tests/ui/useless_conversion_try.stderr +++ b/tests/ui/useless_conversion_try.stderr @@ -1,5 +1,5 @@ error: useless conversion to the same type: `T` - --> tests/ui/useless_conversion_try.rs:5:13 + --> tests/ui/useless_conversion_try.rs:9:13 | LL | let _ = T::try_from(val).unwrap(); | ^^^^^^^^^^^^^^^^ @@ -12,7 +12,7 @@ LL | #![deny(clippy::useless_conversion)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ error: useless conversion to the same type: `T` - --> tests/ui/useless_conversion_try.rs:7:5 + --> tests/ui/useless_conversion_try.rs:11:5 | LL | val.try_into().unwrap() | ^^^^^^^^^^^^^^ @@ -20,7 +20,7 @@ LL | val.try_into().unwrap() = help: consider removing `.try_into()` error: useless conversion to the same type: `std::string::String` - --> tests/ui/useless_conversion_try.rs:30:21 + --> tests/ui/useless_conversion_try.rs:34:21 | LL | let _: String = "foo".to_string().try_into().unwrap(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -28,7 +28,7 @@ LL | let _: String = "foo".to_string().try_into().unwrap(); = help: consider removing `.try_into()` error: useless conversion to the same type: `std::string::String` - --> tests/ui/useless_conversion_try.rs:32:21 + --> tests/ui/useless_conversion_try.rs:36:21 | LL | let _: String = TryFrom::try_from("foo".to_string()).unwrap(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -36,7 +36,7 @@ LL | let _: String = TryFrom::try_from("foo".to_string()).unwrap(); = help: consider removing `TryFrom::try_from()` error: useless conversion to the same type: `std::string::String` - --> tests/ui/useless_conversion_try.rs:34:13 + --> tests/ui/useless_conversion_try.rs:38:13 | LL | let _ = String::try_from("foo".to_string()).unwrap(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -44,7 +44,7 @@ LL | let _ = String::try_from("foo".to_string()).unwrap(); = help: consider removing `String::try_from()` error: useless conversion to the same type: `std::string::String` - --> tests/ui/useless_conversion_try.rs:36:13 + --> tests/ui/useless_conversion_try.rs:40:13 | LL | let _ = String::try_from(format!("A: {:04}", 123)).unwrap(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -52,7 +52,7 @@ LL | let _ = String::try_from(format!("A: {:04}", 123)).unwrap(); = help: consider removing `String::try_from()` error: useless conversion to the same type: `std::string::String` - --> tests/ui/useless_conversion_try.rs:38:21 + --> tests/ui/useless_conversion_try.rs:42:21 | LL | let _: String = format!("Hello {}", "world").try_into().unwrap(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -60,7 +60,7 @@ LL | let _: String = format!("Hello {}", "world").try_into().unwrap(); = help: consider removing `.try_into()` error: useless conversion to the same type: `std::string::String` - --> tests/ui/useless_conversion_try.rs:40:21 + --> tests/ui/useless_conversion_try.rs:44:21 | LL | let _: String = String::new().try_into().unwrap(); | ^^^^^^^^^^^^^^^^^^^^^^^^ @@ -68,7 +68,7 @@ LL | let _: String = String::new().try_into().unwrap(); = help: consider removing `.try_into()` error: useless conversion to the same type: `std::string::String` - --> tests/ui/useless_conversion_try.rs:42:27 + --> tests/ui/useless_conversion_try.rs:46:27 | LL | let _: String = match String::from("_").try_into() { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ From dd5103bb6810e2e8d7e84f35749564a2a35dd5df Mon Sep 17 00:00:00 2001 From: Sunshine Date: Fri, 7 Jun 2024 05:49:46 +0800 Subject: [PATCH 1101/1716] Add test for PR #126057 --- src/librustdoc/html/static/js/externs.js | 3 +- tests/rustdoc-js/basic.js | 2 +- tests/rustdoc-js/doc-alias.js | 22 +++ tests/rustdoc-js/doc-alias.rs | 21 +++ tests/rustdoc-js/non-english-identifier.js | 163 +++++++++++++++++++++ tests/rustdoc-js/non-english-identifier.rs | 47 ++++++ 6 files changed, 256 insertions(+), 2 deletions(-) create mode 100644 tests/rustdoc-js/non-english-identifier.js create mode 100644 tests/rustdoc-js/non-english-identifier.rs diff --git a/src/librustdoc/html/static/js/externs.js b/src/librustdoc/html/static/js/externs.js index 8cebce7ae861..6fd60d6cc346 100644 --- a/src/librustdoc/html/static/js/externs.js +++ b/src/librustdoc/html/static/js/externs.js @@ -41,8 +41,9 @@ let ParserState; * foundElems: number, * totalElems: number, * literalSearch: boolean, - * corrections: Array<{from: string, to: integer}>, + * corrections: Array<{from: string, to: integer}> | null, * typeFingerprint: Uint32Array, + * error: Array | null, * }} */ let ParsedQuery; diff --git a/tests/rustdoc-js/basic.js b/tests/rustdoc-js/basic.js index e186d510887c..c38b8435c2d8 100644 --- a/tests/rustdoc-js/basic.js +++ b/tests/rustdoc-js/basic.js @@ -1,6 +1,6 @@ const EXPECTED = { 'query': 'Fo', 'others': [ - { 'path': 'basic', 'name': 'Foo' }, + { 'path': 'basic', 'name': 'Foo', 'desc': 'Docs for Foo' }, ], }; diff --git a/tests/rustdoc-js/doc-alias.js b/tests/rustdoc-js/doc-alias.js index 7e4e8a776d89..e57bd71419dc 100644 --- a/tests/rustdoc-js/doc-alias.js +++ b/tests/rustdoc-js/doc-alias.js @@ -5,6 +5,7 @@ const EXPECTED = [ { 'path': 'doc_alias', 'name': 'Struct', + 'desc': 'Doc for Struct', 'alias': 'StructItem', 'href': '../doc_alias/struct.Struct.html', 'is_alias': true @@ -17,6 +18,7 @@ const EXPECTED = [ { 'path': 'doc_alias::Struct', 'name': 'field', + 'desc': 'Doc for Struct’s field', 'alias': 'StructFieldItem', 'href': '../doc_alias/struct.Struct.html#structfield.field', 'is_alias': true @@ -29,6 +31,7 @@ const EXPECTED = [ { 'path': 'doc_alias::Struct', 'name': 'method', + 'desc': 'Doc for Struct::method', 'alias': 'StructMethodItem', 'href': '../doc_alias/struct.Struct.html#method.method', 'is_alias': true @@ -45,6 +48,7 @@ const EXPECTED = [ { 'path': 'doc_alias::Struct', 'name': 'ImplConstItem', + 'desc': 'Doc for Struct::ImplConstItem', 'alias': 'StructImplConstItem', 'href': '../doc_alias/struct.Struct.html#associatedconstant.ImplConstItem', 'is_alias': true @@ -57,6 +61,7 @@ const EXPECTED = [ { 'path': 'doc_alias::Struct', 'name': 'function', + 'desc': 'Doc for Trait::function implemented for Struct', 'alias': 'ImplTraitFunction', 'href': '../doc_alias/struct.Struct.html#method.function', 'is_alias': true @@ -69,6 +74,7 @@ const EXPECTED = [ { 'path': 'doc_alias', 'name': 'Enum', + 'desc': 'Doc for Enum', 'alias': 'EnumItem', 'href': '../doc_alias/enum.Enum.html', 'is_alias': true @@ -81,6 +87,7 @@ const EXPECTED = [ { 'path': 'doc_alias::Enum', 'name': 'Variant', + 'desc': 'Doc for Enum::Variant', 'alias': 'VariantItem', 'href': '../doc_alias/enum.Enum.html#variant.Variant', 'is_alias': true @@ -93,6 +100,7 @@ const EXPECTED = [ { 'path': 'doc_alias::Enum', 'name': 'method', + 'desc': 'Doc for Enum::method', 'alias': 'EnumMethodItem', 'href': '../doc_alias/enum.Enum.html#method.method', 'is_alias': true @@ -105,6 +113,7 @@ const EXPECTED = [ { 'path': 'doc_alias', 'name': 'Typedef', + 'desc': 'Doc for type alias Typedef', 'alias': 'TypedefItem', 'href': '../doc_alias/type.Typedef.html', 'is_alias': true @@ -117,6 +126,7 @@ const EXPECTED = [ { 'path': 'doc_alias', 'name': 'Trait', + 'desc': 'Doc for Trait', 'alias': 'TraitItem', 'href': '../doc_alias/trait.Trait.html', 'is_alias': true @@ -129,6 +139,7 @@ const EXPECTED = [ { 'path': 'doc_alias::Trait', 'name': 'Target', + 'desc': 'Doc for Trait::Target', 'alias': 'TraitTypeItem', 'href': '../doc_alias/trait.Trait.html#associatedtype.Target', 'is_alias': true @@ -141,6 +152,7 @@ const EXPECTED = [ { 'path': 'doc_alias::Trait', 'name': 'AssociatedConst', + 'desc': 'Doc for Trait::AssociatedConst', 'alias': 'AssociatedConstItem', 'href': '../doc_alias/trait.Trait.html#associatedconstant.AssociatedConst', 'is_alias': true @@ -153,6 +165,7 @@ const EXPECTED = [ { 'path': 'doc_alias::Trait', 'name': 'function', + 'desc': 'Doc for Trait::function', 'alias': 'TraitFunctionItem', 'href': '../doc_alias/trait.Trait.html#tymethod.function', 'is_alias': true @@ -165,6 +178,7 @@ const EXPECTED = [ { 'path': 'doc_alias', 'name': 'function', + 'desc': 'Doc for function', 'alias': 'FunctionItem', 'href': '../doc_alias/fn.function.html', 'is_alias': true @@ -177,6 +191,7 @@ const EXPECTED = [ { 'path': 'doc_alias', 'name': 'Module', + 'desc': 'Doc for Module', 'alias': 'ModuleItem', 'href': '../doc_alias/Module/index.html', 'is_alias': true @@ -189,6 +204,7 @@ const EXPECTED = [ { 'path': 'doc_alias', 'name': 'Const', + 'desc': 'Doc for Const', 'alias': 'ConstItem', 'href': '../doc_alias/constant.Const.html', 'is_alias': true @@ -205,6 +221,7 @@ const EXPECTED = [ { 'path': 'doc_alias', 'name': 'Static', + 'desc': 'Doc for Static', 'alias': 'StaticItem', 'href': '../doc_alias/static.Static.html', 'is_alias': true @@ -217,6 +234,7 @@ const EXPECTED = [ { 'path': 'doc_alias', 'name': 'Union', + 'desc': 'Doc for Union', 'alias': 'UnionItem', 'href': '../doc_alias/union.Union.html', 'is_alias': true @@ -225,6 +243,7 @@ const EXPECTED = [ { 'path': 'doc_alias::Union', 'name': 'union_item', + 'desc': 'Doc for Union::union_item', 'href': '../doc_alias/union.Union.html#structfield.union_item' }, ], @@ -235,6 +254,7 @@ const EXPECTED = [ { 'path': 'doc_alias::Union', 'name': 'union_item', + 'desc': 'Doc for Union::union_item', 'alias': 'UnionFieldItem', 'href': '../doc_alias/union.Union.html#structfield.union_item', 'is_alias': true @@ -247,6 +267,7 @@ const EXPECTED = [ { 'path': 'doc_alias::Union', 'name': 'method', + 'desc': 'Doc for Union::method', 'alias': 'UnionMethodItem', 'href': '../doc_alias/union.Union.html#method.method', 'is_alias': true @@ -259,6 +280,7 @@ const EXPECTED = [ { 'path': 'doc_alias', 'name': 'Macro', + 'desc': 'Doc for Macro', 'alias': 'MacroItem', 'href': '../doc_alias/macro.Macro.html', 'is_alias': true diff --git a/tests/rustdoc-js/doc-alias.rs b/tests/rustdoc-js/doc-alias.rs index 453b55c956c7..bf075385327a 100644 --- a/tests/rustdoc-js/doc-alias.rs +++ b/tests/rustdoc-js/doc-alias.rs @@ -1,12 +1,16 @@ +/// Doc for `Struct` #[doc(alias = "StructItem")] pub struct Struct { + /// Doc for `Struct`'s `field` #[doc(alias = "StructFieldItem")] pub field: u32, } impl Struct { + /// Doc for `Struct::ImplConstItem` #[doc(alias = "StructImplConstItem")] pub const ImplConstItem: i32 = 0; + /// Doc for `Struct::method` #[doc(alias = "StructMethodItem")] pub fn method(&self) {} } @@ -15,61 +19,78 @@ impl Trait for Struct { type Target = u32; const AssociatedConst: i32 = 12; + /// Doc for `Trait::function` implemented for Struct #[doc(alias = "ImplTraitFunction")] fn function() -> Self::Target { 0 } } +/// Doc for `Enum` #[doc(alias = "EnumItem")] pub enum Enum { + /// Doc for `Enum::Variant` #[doc(alias = "VariantItem")] Variant, } impl Enum { + /// Doc for `Enum::method` #[doc(alias = "EnumMethodItem")] pub fn method(&self) {} } +/// Doc for type alias `Typedef` #[doc(alias = "TypedefItem")] pub type Typedef = i32; +/// Doc for `Trait` #[doc(alias = "TraitItem")] pub trait Trait { + /// Doc for `Trait::Target` #[doc(alias = "TraitTypeItem")] type Target; + /// Doc for `Trait::AssociatedConst` #[doc(alias = "AssociatedConstItem")] const AssociatedConst: i32; + /// Doc for `Trait::function` #[doc(alias = "TraitFunctionItem")] fn function() -> Self::Target; } +/// Doc for `function` #[doc(alias = "FunctionItem")] pub fn function() {} +/// Doc for `Module` #[doc(alias = "ModuleItem")] pub mod Module {} +/// Doc for `Const` #[doc(alias = "ConstItem")] pub const Const: u32 = 0; +/// Doc for `Static` #[doc(alias = "StaticItem")] pub static Static: u32 = 0; +/// Doc for `Union` #[doc(alias = "UnionItem")] pub union Union { + /// Doc for `Union::union_item` #[doc(alias = "UnionFieldItem")] pub union_item: u32, pub y: f32, } impl Union { + /// Doc for `Union::method` #[doc(alias = "UnionMethodItem")] pub fn method(&self) {} } +/// Doc for `Macro` #[doc(alias = "MacroItem")] #[macro_export] macro_rules! Macro { diff --git a/tests/rustdoc-js/non-english-identifier.js b/tests/rustdoc-js/non-english-identifier.js new file mode 100644 index 000000000000..59c6a3a7f992 --- /dev/null +++ b/tests/rustdoc-js/non-english-identifier.js @@ -0,0 +1,163 @@ +const PARSED = [ + { + query: '中文', + elems: [{ + name: "中文", + fullPath: ["中文"], + pathWithoutLast: [], + pathLast: "中文", + generics: [], + typeFilter: -1, + }], + returned: [], + foundElems: 1, + original: "中文", + userQuery: "中文", + error: null, + }, + { + query: '_0Mixed中英文', + elems: [{ + name: "_0mixed中英文", + fullPath: ["_0mixed中英文"], + pathWithoutLast: [], + pathLast: "_0mixed中英文", + generics: [], + typeFilter: -1, + }], + foundElems: 1, + original: "_0Mixed中英文", + returned: [], + userQuery: "_0mixed中英文", + error: null, + }, + { + query: 'my_crate::中文API', + elems: [{ + name: "my_crate::中文api", + fullPath: ["my_crate", "中文api"], + pathWithoutLast: ["my_crate"], + pathLast: "中文api", + generics: [], + typeFilter: -1, + }], + foundElems: 1, + original: "my_crate::中文API", + returned: [], + userQuery: "my_crate::中文api", + error: null, + }, + { + query: '类型A,类型B<约束C>->返回类型<关联类型=路径::约束D>', + elems: [{ + name: "类型a", + fullPath: ["类型a"], + pathWithoutLast: [], + pathLast: "类型a", + generics: [], + }, { + name: "类型b", + fullPath: ["类型b"], + pathWithoutLast: [], + pathLast: "类型b", + generics: [{ + name: "约束c", + fullPath: ["约束c"], + pathWithoutLast: [], + pathLast: "约束c", + generics: [], + }], + }], + foundElems: 3, + totalElems: 5, + literalSearch: true, + original: "类型A,类型B<约束C>->返回类型<关联类型=路径::约束D>", + returned: [{ + name: "返回类型", + fullPath: ["返回类型"], + pathWithoutLast: [], + pathLast: "返回类型", + generics: [], + }], + userQuery: "类型a,类型b<约束c>->返回类型<关联类型=路径::约束d>", + error: null, + }, + { + query: 'my_crate 中文宏!', + elems: [{ + name: "my_crate 中文宏", + fullPath: ["my_crate", "中文宏"], + pathWithoutLast: ["my_crate"], + pathLast: "中文宏", + generics: [], + typeFilter: 16, + }], + foundElems: 1, + original: "my_crate 中文宏!", + returned: [], + userQuery: "my_crate 中文宏!", + error: null, + }, + { + query: '非法符号——', + elems: [], + foundElems: 0, + original: "非法符号——", + returned: [], + userQuery: "非法符号——", + error: "Unexpected `—` after `号`", + } +] +const EXPECTED = [ + { + query: '加法', + others: [ + { + name: "add", + path: "non_english_identifier", + is_alias: true, + alias: "加法", + href: "../non_english_identifier/macro.add.html" + }, + { + name: "add", + path: "non_english_identifier", + is_alias: true, + alias: "加法", + href: "../non_english_identifier/fn.add.html" + }, + { + name: "加法", + path: "non_english_identifier", + href: "../non_english_identifier/trait.加法.html", + desc: "Add" + }, + { + name: "中文名称的加法宏", + path: "non_english_identifier", + href: "../non_english_identifier/macro.中文名称的加法宏.html", + }, + { + name: "中文名称的加法API", + path: "non_english_identifier", + href: "../non_english_identifier/fn.中文名称的加法API.html", + }], + in_args: [{ + name: "加上", + path: "non_english_identifier::加法", + href: "../non_english_identifier/trait.加法.html#tymethod.加上", + }], + returned: [], + }, + { // Extensive type-based search is still buggy, experimental & work-in-progress. + query: '可迭代->可选', + others: [{ + name: "总计", + path: "non_english_identifier", + href: "../non_english_identifier/fn.总计.html", + desc: "“sum”" + }], + in_args: [], + returned: [], + }, +]; \ No newline at end of file diff --git a/tests/rustdoc-js/non-english-identifier.rs b/tests/rustdoc-js/non-english-identifier.rs new file mode 100644 index 000000000000..70b5141472c8 --- /dev/null +++ b/tests/rustdoc-js/non-english-identifier.rs @@ -0,0 +1,47 @@ +#[doc(alias = "加法")] +pub fn add(left: usize, right: usize) -> usize { + left + right +} + +pub fn 中文名称的加法API(left: usize, right: usize) -> usize { + left + right +} + +#[macro_export] +macro_rules! 中文名称的加法宏 { + ($left:expr, $right:expr) => { + ($left) + ($right) + }; +} + +#[doc(alias = "加法")] +#[macro_export] +macro_rules! add { + ($left:expr, $right:expr) => { + ($left) + ($right) + }; +} + +/// Add +pub trait 加法<类型> { + type 结果; + fn 加上(self, 被加数: 类型) -> Self::结果; +} + +/// IntoIterator +pub trait 可迭代 { + type 项; + type 转为迭代器: Iterator; + fn 迭代(self) -> Self::转为迭代器; +} + +pub type 可选<类型> = Option<类型>; + +/// "sum" +pub fn 总计<集合, 个体>(容器: 集合) -> 可选<集合::项> +where + 集合: 可迭代<项 = 个体>, + 个体: 加法<个体, 结果 = 个体>, +{ + 容器.迭代().reduce(|累计值, 当前值| 累计值.加上(当前值)) +} From f9f51839e5b5ebc92848bfcf924040c4f4b65df4 Mon Sep 17 00:00:00 2001 From: Sunshine Date: Fri, 7 Jun 2024 06:09:30 +0800 Subject: [PATCH 1102/1716] Tidying --- src/librustdoc/html/static/js/search.js | 6 ++++-- tests/rustdoc-js/non-english-identifier.js | 2 +- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/src/librustdoc/html/static/js/search.js b/src/librustdoc/html/static/js/search.js index 8322ea904908..f4b81e4b7eef 100644 --- a/src/librustdoc/html/static/js/search.js +++ b/src/librustdoc/html/static/js/search.js @@ -2162,7 +2162,8 @@ function initSearch(rawSearchIndex) { aliases.sort(sortFunc); const fetchDesc = alias => { - return searchIndexEmptyDesc.get(alias.crate).contains(alias.bitIndex) ? "" : searchState.loadDesc(alias); + return searchIndexEmptyDesc.get(alias.crate).contains(alias.bitIndex) ? + "" : searchState.loadDesc(alias); }; const [crateDescs, descs] = await Promise.all([ Promise.all(crateAliases.map(fetchDesc)), @@ -2546,7 +2547,8 @@ function initSearch(rawSearchIndex) { sorted_returned, sorted_others, parsedQuery); - await handleAliases(ret, parsedQuery.original.replace(/"/g, ""), filterCrates, currentCrate); + await handleAliases(ret, parsedQuery.original.replace(/"/g, ""), + filterCrates, currentCrate); await Promise.all([ret.others, ret.returned, ret.in_args].map(async list => { const descs = await Promise.all(list.map(result => { return searchIndexEmptyDesc.get(result.crate).contains(result.bitIndex) ? diff --git a/tests/rustdoc-js/non-english-identifier.js b/tests/rustdoc-js/non-english-identifier.js index 59c6a3a7f992..84209aa04c02 100644 --- a/tests/rustdoc-js/non-english-identifier.js +++ b/tests/rustdoc-js/non-english-identifier.js @@ -160,4 +160,4 @@ const EXPECTED = [ in_args: [], returned: [], }, -]; \ No newline at end of file +]; From 2bdc53b153f16af9d81f8b68bdf27575ff82dc71 Mon Sep 17 00:00:00 2001 From: schvv31n Date: Thu, 6 Jun 2024 23:16:39 +0100 Subject: [PATCH 1103/1716] fixed memory leaks in PathBuf::leak & OsString::leak tests --- library/std/src/ffi/os_str/tests.rs | 2 ++ library/std/src/path/tests.rs | 5 ++++- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/library/std/src/ffi/os_str/tests.rs b/library/std/src/ffi/os_str/tests.rs index 2379f0ba489e..5b39b9e34d8c 100644 --- a/library/std/src/ffi/os_str/tests.rs +++ b/library/std/src/ffi/os_str/tests.rs @@ -26,8 +26,10 @@ fn test_os_string_clear() { #[test] fn test_os_string_leak() { let os_string = OsString::from("have a cake"); + let (len, cap) = (os_string.len(), os_string.capacity()); let leaked = os_string.leak(); assert_eq!(leaked.as_encoded_bytes(), b"have a cake"); + unsafe { drop(String::from_raw_parts(leaked as *mut OsStr as _, len, cap)) } } #[test] diff --git a/library/std/src/path/tests.rs b/library/std/src/path/tests.rs index d29f895ba38f..92702b395dfe 100644 --- a/library/std/src/path/tests.rs +++ b/library/std/src/path/tests.rs @@ -128,9 +128,12 @@ fn into() { #[test] fn test_pathbuf_leak() { - let buf = PathBuf::from("/have/a/cake".to_owned()); + let string = "/have/a/cake".to_owned(); + let (len, cap) = (string.len(), string.capacity()); + let buf = PathBuf::from(string); let leaked = buf.leak(); assert_eq!(leaked.as_os_str().as_encoded_bytes(), b"/have/a/cake"); + unsafe { drop(String::from_raw_parts(leaked.as_mut_os_str() as *mut OsStr as _, len, cap)) } } #[test] From d73d27348206d794995cd7acb65a1869c178d225 Mon Sep 17 00:00:00 2001 From: Sunshine Date: Fri, 7 Jun 2024 07:51:29 +0800 Subject: [PATCH 1104/1716] Bump the EcmaScript version in the eslint configuration. --- src/librustdoc/html/static/.eslintrc.js | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/librustdoc/html/static/.eslintrc.js b/src/librustdoc/html/static/.eslintrc.js index a1e9cc6dfa14..1eeda5a6ea4c 100644 --- a/src/librustdoc/html/static/.eslintrc.js +++ b/src/librustdoc/html/static/.eslintrc.js @@ -5,7 +5,7 @@ module.exports = { }, "extends": "eslint:recommended", "parserOptions": { - "ecmaVersion": 8, + "ecmaVersion": 9, "sourceType": "module" }, "rules": { From 76065f5b27b780132ccb5590ccf657ac71ecbf73 Mon Sep 17 00:00:00 2001 From: Slanterns Date: Tue, 4 Jun 2024 05:26:55 +0800 Subject: [PATCH 1105/1716] Stabilize `error_in_core` --- library/alloc/src/lib.rs | 1 - library/core/src/error.rs | 12 +----------- library/core/tests/lib.rs | 1 - library/std/src/lib.rs | 1 - 4 files changed, 1 insertion(+), 14 deletions(-) diff --git a/library/alloc/src/lib.rs b/library/alloc/src/lib.rs index 4ac0c9b15be7..4749b8880fbc 100644 --- a/library/alloc/src/lib.rs +++ b/library/alloc/src/lib.rs @@ -121,7 +121,6 @@ #![feature(deref_pure_trait)] #![feature(dispatch_from_dyn)] #![feature(error_generic_member_access)] -#![feature(error_in_core)] #![feature(exact_size_is_empty)] #![feature(extend_one)] #![feature(fmt_internals)] diff --git a/library/core/src/error.rs b/library/core/src/error.rs index a3f2b767054e..99f10e6d9d10 100644 --- a/library/core/src/error.rs +++ b/library/core/src/error.rs @@ -1,5 +1,5 @@ #![doc = include_str!("error.md")] -#![unstable(feature = "error_in_core", issue = "103765")] +#![stable(feature = "error_in_core", since = "CURRENT_RUSTC_VERSION")] #[cfg(test)] mod tests; @@ -130,7 +130,6 @@ pub trait Error: Debug + Display { /// /// ```rust /// #![feature(error_generic_member_access)] - /// #![feature(error_in_core)] /// use core::fmt; /// use core::error::{request_ref, Request}; /// @@ -362,7 +361,6 @@ impl dyn Error { /// /// ```rust /// # #![feature(error_generic_member_access)] -/// # #![feature(error_in_core)] /// use std::error::Error; /// use core::error::request_value; /// @@ -386,7 +384,6 @@ where /// /// ```rust /// # #![feature(error_generic_member_access)] -/// # #![feature(error_in_core)] /// use core::error::Error; /// use core::error::request_ref; /// @@ -458,7 +455,6 @@ where /// /// ``` /// #![feature(error_generic_member_access)] -/// #![feature(error_in_core)] /// use core::fmt; /// use core::error::Request; /// use core::error::request_ref; @@ -529,7 +525,6 @@ impl<'a> Request<'a> { /// /// ```rust /// #![feature(error_generic_member_access)] - /// #![feature(error_in_core)] /// /// use core::error::Request; /// @@ -564,7 +559,6 @@ impl<'a> Request<'a> { /// /// ```rust /// #![feature(error_generic_member_access)] - /// #![feature(error_in_core)] /// /// use core::error::Request; /// @@ -600,7 +594,6 @@ impl<'a> Request<'a> { /// /// ```rust /// #![feature(error_generic_member_access)] - /// #![feature(error_in_core)] /// /// use core::error::Request; /// @@ -633,7 +626,6 @@ impl<'a> Request<'a> { /// /// ```rust /// #![feature(error_generic_member_access)] - /// #![feature(error_in_core)] /// /// use core::error::Request; /// @@ -700,7 +692,6 @@ impl<'a> Request<'a> { /// /// ```rust /// #![feature(error_generic_member_access)] - /// #![feature(error_in_core)] /// /// use core::error::Request; /// use core::error::request_value; @@ -788,7 +779,6 @@ impl<'a> Request<'a> { /// /// ```rust /// #![feature(error_generic_member_access)] - /// #![feature(error_in_core)] /// /// use core::error::Request; /// use core::error::request_ref; diff --git a/library/core/tests/lib.rs b/library/core/tests/lib.rs index 20ff6fd7687f..f632883b563d 100644 --- a/library/core/tests/lib.rs +++ b/library/core/tests/lib.rs @@ -112,7 +112,6 @@ #![feature(const_slice_from_ref)] #![feature(waker_getters)] #![feature(error_generic_member_access)] -#![feature(error_in_core)] #![feature(trait_upcasting)] #![feature(is_ascii_octdigit)] #![feature(get_many_mut)] diff --git a/library/std/src/lib.rs b/library/std/src/lib.rs index 9d6576fa8411..1c226f9f08f1 100644 --- a/library/std/src/lib.rs +++ b/library/std/src/lib.rs @@ -324,7 +324,6 @@ #![feature(core_io_borrowed_buf)] #![feature(duration_constants)] #![feature(error_generic_member_access)] -#![feature(error_in_core)] #![feature(error_iter)] #![feature(exact_size_is_empty)] #![feature(exclusive_wrapper)] From c6f1934d34b49d95560b201ca25869c6bc0d051f Mon Sep 17 00:00:00 2001 From: Slanterns Date: Tue, 4 Jun 2024 05:33:03 +0800 Subject: [PATCH 1106/1716] fix doc comments about `error_generic_member_access` --- library/core/src/error.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/library/core/src/error.rs b/library/core/src/error.rs index 99f10e6d9d10..da18fdc6e1d1 100644 --- a/library/core/src/error.rs +++ b/library/core/src/error.rs @@ -360,7 +360,7 @@ impl dyn Error { /// Get a string value from an error. /// /// ```rust -/// # #![feature(error_generic_member_access)] +/// #![feature(error_generic_member_access)] /// use std::error::Error; /// use core::error::request_value; /// @@ -383,7 +383,7 @@ where /// Get a string reference from an error. /// /// ```rust -/// # #![feature(error_generic_member_access)] +/// #![feature(error_generic_member_access)] /// use core::error::Error; /// use core::error::request_ref; /// From f275ca09ddae04d656798bec5e862ad90325bdb8 Mon Sep 17 00:00:00 2001 From: Slanterns Date: Fri, 7 Jun 2024 08:37:05 +0800 Subject: [PATCH 1107/1716] bless `std_instead_of_core` --- src/tools/clippy/tests/ui/std_instead_of_core.fixed | 4 ++-- src/tools/clippy/tests/ui/std_instead_of_core.rs | 2 +- src/tools/clippy/tests/ui/std_instead_of_core.stderr | 8 +++++++- 3 files changed, 10 insertions(+), 4 deletions(-) diff --git a/src/tools/clippy/tests/ui/std_instead_of_core.fixed b/src/tools/clippy/tests/ui/std_instead_of_core.fixed index ec4ae2ea13c5..6ede7bfcd9f6 100644 --- a/src/tools/clippy/tests/ui/std_instead_of_core.fixed +++ b/src/tools/clippy/tests/ui/std_instead_of_core.fixed @@ -45,8 +45,8 @@ fn std_instead_of_core() { let _ = std::env!("PATH"); - // do not lint until `error_in_core` is stable - use std::error::Error; + use core::error::Error; + //~^ ERROR: used import from `std` instead of `core` // lint items re-exported from private modules, `core::iter::traits::iterator::Iterator` use core::iter::Iterator; diff --git a/src/tools/clippy/tests/ui/std_instead_of_core.rs b/src/tools/clippy/tests/ui/std_instead_of_core.rs index c12c459c7eb4..e22b4f61f3ec 100644 --- a/src/tools/clippy/tests/ui/std_instead_of_core.rs +++ b/src/tools/clippy/tests/ui/std_instead_of_core.rs @@ -45,8 +45,8 @@ fn std_instead_of_core() { let _ = std::env!("PATH"); - // do not lint until `error_in_core` is stable use std::error::Error; + //~^ ERROR: used import from `std` instead of `core` // lint items re-exported from private modules, `core::iter::traits::iterator::Iterator` use std::iter::Iterator; diff --git a/src/tools/clippy/tests/ui/std_instead_of_core.stderr b/src/tools/clippy/tests/ui/std_instead_of_core.stderr index 8f920511cc5d..22cb9db7050b 100644 --- a/src/tools/clippy/tests/ui/std_instead_of_core.stderr +++ b/src/tools/clippy/tests/ui/std_instead_of_core.stderr @@ -49,6 +49,12 @@ error: used import from `std` instead of `core` LL | let cell_absolute = ::std::cell::Cell::new(8u32); | ^^^ help: consider importing the item from `core`: `core` +error: used import from `std` instead of `core` + --> tests/ui/std_instead_of_core.rs:48:9 + | +LL | use std::error::Error; + | ^^^ help: consider importing the item from `core`: `core` + error: used import from `std` instead of `core` --> tests/ui/std_instead_of_core.rs:52:9 | @@ -79,5 +85,5 @@ LL | use alloc::slice::from_ref; = note: `-D clippy::alloc-instead-of-core` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::alloc_instead_of_core)]` -error: aborting due to 12 previous errors +error: aborting due to 13 previous errors From 246d4fe79120976d484a4a57359ee951aedb4ce9 Mon Sep 17 00:00:00 2001 From: Slanterns Date: Fri, 7 Jun 2024 08:37:05 +0800 Subject: [PATCH 1108/1716] bless `std_instead_of_core` --- tests/ui/std_instead_of_core.fixed | 4 ++-- tests/ui/std_instead_of_core.rs | 2 +- tests/ui/std_instead_of_core.stderr | 8 +++++++- 3 files changed, 10 insertions(+), 4 deletions(-) diff --git a/tests/ui/std_instead_of_core.fixed b/tests/ui/std_instead_of_core.fixed index ec4ae2ea13c5..6ede7bfcd9f6 100644 --- a/tests/ui/std_instead_of_core.fixed +++ b/tests/ui/std_instead_of_core.fixed @@ -45,8 +45,8 @@ fn std_instead_of_core() { let _ = std::env!("PATH"); - // do not lint until `error_in_core` is stable - use std::error::Error; + use core::error::Error; + //~^ ERROR: used import from `std` instead of `core` // lint items re-exported from private modules, `core::iter::traits::iterator::Iterator` use core::iter::Iterator; diff --git a/tests/ui/std_instead_of_core.rs b/tests/ui/std_instead_of_core.rs index c12c459c7eb4..e22b4f61f3ec 100644 --- a/tests/ui/std_instead_of_core.rs +++ b/tests/ui/std_instead_of_core.rs @@ -45,8 +45,8 @@ fn std_instead_of_core() { let _ = std::env!("PATH"); - // do not lint until `error_in_core` is stable use std::error::Error; + //~^ ERROR: used import from `std` instead of `core` // lint items re-exported from private modules, `core::iter::traits::iterator::Iterator` use std::iter::Iterator; diff --git a/tests/ui/std_instead_of_core.stderr b/tests/ui/std_instead_of_core.stderr index 8f920511cc5d..22cb9db7050b 100644 --- a/tests/ui/std_instead_of_core.stderr +++ b/tests/ui/std_instead_of_core.stderr @@ -49,6 +49,12 @@ error: used import from `std` instead of `core` LL | let cell_absolute = ::std::cell::Cell::new(8u32); | ^^^ help: consider importing the item from `core`: `core` +error: used import from `std` instead of `core` + --> tests/ui/std_instead_of_core.rs:48:9 + | +LL | use std::error::Error; + | ^^^ help: consider importing the item from `core`: `core` + error: used import from `std` instead of `core` --> tests/ui/std_instead_of_core.rs:52:9 | @@ -79,5 +85,5 @@ LL | use alloc::slice::from_ref; = note: `-D clippy::alloc-instead-of-core` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::alloc_instead_of_core)]` -error: aborting due to 12 previous errors +error: aborting due to 13 previous errors From 63411076c3531f2c5ed77d8f1cfc451d6ccddaed Mon Sep 17 00:00:00 2001 From: Sunshine Date: Fri, 7 Jun 2024 08:44:52 +0800 Subject: [PATCH 1109/1716] Other EcmaScript version bump --- src/ci/docker/host-x86_64/mingw-check/Dockerfile | 4 ++-- src/librustdoc/html/static/.eslintrc.js | 2 +- src/tools/rustdoc-gui/.eslintrc.js | 2 +- src/tools/rustdoc-js/.eslintrc.js | 2 +- 4 files changed, 5 insertions(+), 5 deletions(-) diff --git a/src/ci/docker/host-x86_64/mingw-check/Dockerfile b/src/ci/docker/host-x86_64/mingw-check/Dockerfile index d0da7d306601..0d9c21c4487b 100644 --- a/src/ci/docker/host-x86_64/mingw-check/Dockerfile +++ b/src/ci/docker/host-x86_64/mingw-check/Dockerfile @@ -61,8 +61,8 @@ ENV SCRIPT python3 ../x.py check --stage 0 --set build.optimized-compiler-builti /scripts/validate-toolstate.sh && \ /scripts/validate-error-codes.sh && \ reuse --include-submodules lint && \ - # Runs checks to ensure that there are no ES5 issues in our JS code. - es-check es8 ../src/librustdoc/html/static/js/*.js && \ + # Runs checks to ensure that there are no issues in our JS code. + es-check es2019 ../src/librustdoc/html/static/js/*.js && \ eslint -c ../src/librustdoc/html/static/.eslintrc.js ../src/librustdoc/html/static/js/*.js && \ eslint -c ../src/tools/rustdoc-js/.eslintrc.js ../src/tools/rustdoc-js/tester.js && \ eslint -c ../src/tools/rustdoc-gui/.eslintrc.js ../src/tools/rustdoc-gui/tester.js diff --git a/src/librustdoc/html/static/.eslintrc.js b/src/librustdoc/html/static/.eslintrc.js index 1eeda5a6ea4c..fbb096fe9c75 100644 --- a/src/librustdoc/html/static/.eslintrc.js +++ b/src/librustdoc/html/static/.eslintrc.js @@ -5,7 +5,7 @@ module.exports = { }, "extends": "eslint:recommended", "parserOptions": { - "ecmaVersion": 9, + "ecmaVersion": 2019, "sourceType": "module" }, "rules": { diff --git a/src/tools/rustdoc-gui/.eslintrc.js b/src/tools/rustdoc-gui/.eslintrc.js index f4aadc071998..3eccbc74cb95 100644 --- a/src/tools/rustdoc-gui/.eslintrc.js +++ b/src/tools/rustdoc-gui/.eslintrc.js @@ -6,7 +6,7 @@ module.exports = { }, "extends": "eslint:recommended", "parserOptions": { - "ecmaVersion": 2018, + "ecmaVersion": 2019, "sourceType": "module" }, "rules": { diff --git a/src/tools/rustdoc-js/.eslintrc.js b/src/tools/rustdoc-js/.eslintrc.js index b9d0e251c242..3eccbc74cb95 100644 --- a/src/tools/rustdoc-js/.eslintrc.js +++ b/src/tools/rustdoc-js/.eslintrc.js @@ -6,7 +6,7 @@ module.exports = { }, "extends": "eslint:recommended", "parserOptions": { - "ecmaVersion": 8, + "ecmaVersion": 2019, "sourceType": "module" }, "rules": { From cddf291a254fd36a51af235f29c129772656d69f Mon Sep 17 00:00:00 2001 From: Veera Date: Thu, 6 Jun 2024 17:23:59 -0400 Subject: [PATCH 1110/1716] Improve Docs for `hir::Impl` and `hir::ImplItem` --- compiler/rustc_hir/src/hir.rs | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/compiler/rustc_hir/src/hir.rs b/compiler/rustc_hir/src/hir.rs index 770dfcb98c91..29bc87eae7c3 100644 --- a/compiler/rustc_hir/src/hir.rs +++ b/compiler/rustc_hir/src/hir.rs @@ -2345,7 +2345,9 @@ impl ImplItemId { } } -/// Represents anything within an `impl` block. +/// Represents an associated item within an impl block. +/// +/// Refer to [`Impl`] for an impl block declaration. #[derive(Debug, Clone, Copy, HashStable_Generic)] pub struct ImplItem<'hir> { pub ident: Ident, @@ -3327,6 +3329,10 @@ pub enum ItemKind<'hir> { Impl(&'hir Impl<'hir>), } +/// Represents an impl block declaration. +/// +/// E.g., `impl $Type { .. }` or `impl $Trait for $Type { .. }` +/// Refer to [`ImplItem`] for an associated item within an impl block. #[derive(Debug, Clone, Copy, HashStable_Generic)] pub struct Impl<'hir> { pub safety: Safety, From 67f5dd1ef112c8a87bc3353793cf4c1cece10c2d Mon Sep 17 00:00:00 2001 From: carbotaniuman <41451839+carbotaniuman@users.noreply.github.com> Date: Sat, 20 Apr 2024 23:54:50 -0500 Subject: [PATCH 1111/1716] Parse unsafe attributes --- compiler/rustc_ast/src/ast.rs | 9 ++- compiler/rustc_ast/src/attr/mod.rs | 33 ++++++++--- compiler/rustc_ast/src/mut_visit.rs | 10 ++-- compiler/rustc_ast_lowering/src/expr.rs | 1 + compiler/rustc_ast_lowering/src/lib.rs | 1 + compiler/rustc_ast_passes/src/feature_gate.rs | 1 + compiler/rustc_ast_pretty/src/pprust/state.rs | 6 +- .../rustc_builtin_macros/src/cmdline_attrs.rs | 3 +- .../rustc_builtin_macros/src/test_harness.rs | 1 + compiler/rustc_expand/src/build.rs | 6 +- compiler/rustc_expand/src/expand.rs | 8 ++- compiler/rustc_feature/src/builtin_attrs.rs | 56 ++++++++++++++++++- compiler/rustc_feature/src/unstable.rs | 1 + compiler/rustc_parse/src/parser/attr.rs | 35 +++++++++++- compiler/rustc_parse/src/validate_attr.rs | 1 + compiler/rustc_span/src/symbol.rs | 1 + src/librustdoc/clean/cfg/tests.rs | 6 +- .../feature-gate-unsafe-attributes.rs | 8 +++ .../feature-gate-unsafe-attributes.stderr | 13 +++++ 19 files changed, 173 insertions(+), 27 deletions(-) create mode 100644 tests/ui/feature-gates/feature-gate-unsafe-attributes.rs create mode 100644 tests/ui/feature-gates/feature-gate-unsafe-attributes.stderr diff --git a/compiler/rustc_ast/src/ast.rs b/compiler/rustc_ast/src/ast.rs index 910fbb876974..8cb49a1b7604 100644 --- a/compiler/rustc_ast/src/ast.rs +++ b/compiler/rustc_ast/src/ast.rs @@ -488,6 +488,7 @@ pub struct Crate { /// E.g., `#[test]`, `#[derive(..)]`, `#[rustfmt::skip]` or `#[feature = "foo"]`. #[derive(Clone, Encodable, Decodable, Debug, HashStable_Generic)] pub struct MetaItem { + pub unsafety: Unsafe, pub path: Path, pub kind: MetaItemKind, pub span: Span, @@ -2823,7 +2824,12 @@ pub struct NormalAttr { impl NormalAttr { pub fn from_ident(ident: Ident) -> Self { Self { - item: AttrItem { path: Path::from_ident(ident), args: AttrArgs::Empty, tokens: None }, + item: AttrItem { + unsafety: Unsafe::No, + path: Path::from_ident(ident), + args: AttrArgs::Empty, + tokens: None, + }, tokens: None, } } @@ -2831,6 +2837,7 @@ impl NormalAttr { #[derive(Clone, Encodable, Decodable, Debug, HashStable_Generic)] pub struct AttrItem { + pub unsafety: Unsafe, pub path: Path, pub args: AttrArgs, // Tokens for the meta item, e.g. just the `foo` within `#[foo]` or `#![foo]`. diff --git a/compiler/rustc_ast/src/attr/mod.rs b/compiler/rustc_ast/src/attr/mod.rs index d5c9fc960c86..62b7a2762194 100644 --- a/compiler/rustc_ast/src/attr/mod.rs +++ b/compiler/rustc_ast/src/attr/mod.rs @@ -1,6 +1,8 @@ //! Functions dealing with attributes and meta items. -use crate::ast::{AttrArgs, AttrArgsEq, AttrId, AttrItem, AttrKind, AttrStyle, AttrVec, Attribute}; +use crate::ast::{ + AttrArgs, AttrArgsEq, AttrId, AttrItem, AttrKind, AttrStyle, AttrVec, Attribute, Unsafe, +}; use crate::ast::{DelimArgs, Expr, ExprKind, LitKind, MetaItemLit}; use crate::ast::{MetaItem, MetaItemKind, NestedMetaItem, NormalAttr}; use crate::ast::{Path, PathSegment, DUMMY_NODE_ID}; @@ -238,7 +240,12 @@ impl AttrItem { } pub fn meta(&self, span: Span) -> Option { - Some(MetaItem { path: self.path.clone(), kind: self.meta_kind()?, span }) + Some(MetaItem { + unsafety: Unsafe::No, + path: self.path.clone(), + kind: self.meta_kind()?, + span, + }) } pub fn meta_kind(&self) -> Option { @@ -371,7 +378,8 @@ impl MetaItem { _ => path.span.hi(), }; let span = path.span.with_hi(hi); - Some(MetaItem { path, kind, span }) + // FIX THIS LATER + Some(MetaItem { unsafety: Unsafe::No, path, kind, span }) } } @@ -555,11 +563,12 @@ pub fn mk_doc_comment( pub fn mk_attr( g: &AttrIdGenerator, style: AttrStyle, + unsafety: Unsafe, path: Path, args: AttrArgs, span: Span, ) -> Attribute { - mk_attr_from_item(g, AttrItem { path, args, tokens: None }, None, style, span) + mk_attr_from_item(g, AttrItem { unsafety, path, args, tokens: None }, None, style, span) } pub fn mk_attr_from_item( @@ -577,15 +586,22 @@ pub fn mk_attr_from_item( } } -pub fn mk_attr_word(g: &AttrIdGenerator, style: AttrStyle, name: Symbol, span: Span) -> Attribute { +pub fn mk_attr_word( + g: &AttrIdGenerator, + style: AttrStyle, + unsafety: Unsafe, + name: Symbol, + span: Span, +) -> Attribute { let path = Path::from_ident(Ident::new(name, span)); let args = AttrArgs::Empty; - mk_attr(g, style, path, args, span) + mk_attr(g, style, unsafety, path, args, span) } pub fn mk_attr_nested_word( g: &AttrIdGenerator, style: AttrStyle, + unsafety: Unsafe, outer: Symbol, inner: Symbol, span: Span, @@ -601,12 +617,13 @@ pub fn mk_attr_nested_word( delim: Delimiter::Parenthesis, tokens: inner_tokens, }); - mk_attr(g, style, path, attr_args, span) + mk_attr(g, style, unsafety, path, attr_args, span) } pub fn mk_attr_name_value_str( g: &AttrIdGenerator, style: AttrStyle, + unsafety: Unsafe, name: Symbol, val: Symbol, span: Span, @@ -621,7 +638,7 @@ pub fn mk_attr_name_value_str( }); let path = Path::from_ident(Ident::new(name, span)); let args = AttrArgs::Eq(span, AttrArgsEq::Ast(expr)); - mk_attr(g, style, path, args, span) + mk_attr(g, style, unsafety, path, args, span) } pub fn filter_by_name(attrs: &[Attribute], name: Symbol) -> impl Iterator { diff --git a/compiler/rustc_ast/src/mut_visit.rs b/compiler/rustc_ast/src/mut_visit.rs index a04c648ac731..dfe82309531b 100644 --- a/compiler/rustc_ast/src/mut_visit.rs +++ b/compiler/rustc_ast/src/mut_visit.rs @@ -647,8 +647,10 @@ fn noop_visit_attribute(attr: &mut Attribute, vis: &mut T) { let Attribute { kind, id: _, style: _, span } = attr; match kind { AttrKind::Normal(normal) => { - let NormalAttr { item: AttrItem { path, args, tokens }, tokens: attr_tokens } = - &mut **normal; + let NormalAttr { + item: AttrItem { unsafety: _, path, args, tokens }, + tokens: attr_tokens, + } = &mut **normal; vis.visit_path(path); visit_attr_args(args, vis); visit_lazy_tts(tokens, vis); @@ -678,7 +680,7 @@ fn noop_visit_meta_list_item(li: &mut NestedMetaItem, vis: &mut T } fn noop_visit_meta_item(mi: &mut MetaItem, vis: &mut T) { - let MetaItem { path: _, kind, span } = mi; + let MetaItem { unsafety: _, path: _, kind, span } = mi; match kind { MetaItemKind::Word => {} MetaItemKind::List(mis) => visit_thin_vec(mis, |mi| vis.visit_meta_list_item(mi)), @@ -840,7 +842,7 @@ fn visit_nonterminal(nt: &mut token::Nonterminal, vis: &mut T) { token::NtTy(ty) => vis.visit_ty(ty), token::NtLiteral(expr) => vis.visit_expr(expr), token::NtMeta(item) => { - let AttrItem { path, args, tokens } = item.deref_mut(); + let AttrItem { unsafety: _, path, args, tokens } = item.deref_mut(); vis.visit_path(path); visit_attr_args(args, vis); visit_lazy_tts(tokens, vis); diff --git a/compiler/rustc_ast_lowering/src/expr.rs b/compiler/rustc_ast_lowering/src/expr.rs index eb206a09be31..5fbae6a34e5d 100644 --- a/compiler/rustc_ast_lowering/src/expr.rs +++ b/compiler/rustc_ast_lowering/src/expr.rs @@ -1801,6 +1801,7 @@ impl<'hir> LoweringContext<'_, 'hir> { let attr = attr::mk_attr_nested_word( &self.tcx.sess.psess.attr_id_generator, AttrStyle::Outer, + Unsafe::No, sym::allow, sym::unreachable_code, self.lower_span(span), diff --git a/compiler/rustc_ast_lowering/src/lib.rs b/compiler/rustc_ast_lowering/src/lib.rs index 023dc6d52c3e..e4959853d3f4 100644 --- a/compiler/rustc_ast_lowering/src/lib.rs +++ b/compiler/rustc_ast_lowering/src/lib.rs @@ -911,6 +911,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { let kind = match attr.kind { AttrKind::Normal(ref normal) => AttrKind::Normal(P(NormalAttr { item: AttrItem { + unsafety: normal.item.unsafety, path: normal.item.path.clone(), args: self.lower_attr_args(&normal.item.args), tokens: None, diff --git a/compiler/rustc_ast_passes/src/feature_gate.rs b/compiler/rustc_ast_passes/src/feature_gate.rs index a9dca9b6a293..764d942836c2 100644 --- a/compiler/rustc_ast_passes/src/feature_gate.rs +++ b/compiler/rustc_ast_passes/src/feature_gate.rs @@ -561,6 +561,7 @@ pub fn check_crate(krate: &ast::Crate, sess: &Session, features: &Features) { gate_all!(mut_ref, "mutable by-reference bindings are experimental"); gate_all!(precise_capturing, "precise captures on `impl Trait` are experimental"); gate_all!(global_registration, "global registration is experimental"); + gate_all!(unsafe_attributes, "`#[unsafe()]` markers for attributes are experimental"); if !visitor.features.never_patterns { if let Some(spans) = spans.get(&sym::never_patterns) { diff --git a/compiler/rustc_ast_pretty/src/pprust/state.rs b/compiler/rustc_ast_pretty/src/pprust/state.rs index ca26b436b82e..e3ccbbe391e0 100644 --- a/compiler/rustc_ast_pretty/src/pprust/state.rs +++ b/compiler/rustc_ast_pretty/src/pprust/state.rs @@ -16,7 +16,7 @@ use rustc_ast::token::{self, BinOpToken, CommentKind, Delimiter, Nonterminal, To use rustc_ast::tokenstream::{Spacing, TokenStream, TokenTree}; use rustc_ast::util::classify; use rustc_ast::util::comments::{Comment, CommentStyle}; -use rustc_ast::{self as ast, AttrArgs, AttrArgsEq, BlockCheckMode, PatKind}; +use rustc_ast::{self as ast, AttrArgs, AttrArgsEq, BlockCheckMode, PatKind, Unsafe}; use rustc_ast::{attr, BindingMode, ByRef, DelimArgs, RangeEnd, RangeSyntax, Term}; use rustc_ast::{GenericArg, GenericBound, SelfKind}; use rustc_ast::{InlineAsmOperand, InlineAsmRegOrRegClass}; @@ -249,6 +249,7 @@ pub fn print_crate<'a>( let fake_attr = attr::mk_attr_nested_word( g, ast::AttrStyle::Inner, + Unsafe::No, sym::feature, sym::prelude_import, DUMMY_SP, @@ -259,7 +260,8 @@ pub fn print_crate<'a>( // root, so this is not needed, and actually breaks things. if edition.is_rust_2015() { // `#![no_std]` - let fake_attr = attr::mk_attr_word(g, ast::AttrStyle::Inner, sym::no_std, DUMMY_SP); + let fake_attr = + attr::mk_attr_word(g, ast::AttrStyle::Inner, Unsafe::No, sym::no_std, DUMMY_SP); s.print_attribute(&fake_attr); } } diff --git a/compiler/rustc_builtin_macros/src/cmdline_attrs.rs b/compiler/rustc_builtin_macros/src/cmdline_attrs.rs index e9b63b4abebb..16184ec75113 100644 --- a/compiler/rustc_builtin_macros/src/cmdline_attrs.rs +++ b/compiler/rustc_builtin_macros/src/cmdline_attrs.rs @@ -17,7 +17,7 @@ pub fn inject(krate: &mut ast::Crate, psess: &ParseSess, attrs: &[String]) { )); let start_span = parser.token.span; - let AttrItem { path, args, tokens: _ } = match parser.parse_attr_item(false) { + let AttrItem { unsafety, path, args, tokens: _ } = match parser.parse_attr_item(false) { Ok(ai) => ai, Err(err) => { err.emit(); @@ -33,6 +33,7 @@ pub fn inject(krate: &mut ast::Crate, psess: &ParseSess, attrs: &[String]) { krate.attrs.push(mk_attr( &psess.attr_id_generator, AttrStyle::Inner, + unsafety, path, args, start_span.to(end_span), diff --git a/compiler/rustc_builtin_macros/src/test_harness.rs b/compiler/rustc_builtin_macros/src/test_harness.rs index 38ac2f15fe75..fec54cfe38fb 100644 --- a/compiler/rustc_builtin_macros/src/test_harness.rs +++ b/compiler/rustc_builtin_macros/src/test_harness.rs @@ -203,6 +203,7 @@ impl<'a> MutVisitor for EntryPointCleaner<'a> { let allow_dead_code = attr::mk_attr_nested_word( &self.sess.psess.attr_id_generator, ast::AttrStyle::Outer, + ast::Unsafe::No, sym::allow, sym::dead_code, self.def_site, diff --git a/compiler/rustc_expand/src/build.rs b/compiler/rustc_expand/src/build.rs index b3d41908260e..9451102c010b 100644 --- a/compiler/rustc_expand/src/build.rs +++ b/compiler/rustc_expand/src/build.rs @@ -666,7 +666,7 @@ impl<'a> ExtCtxt<'a> { // Builds `#[name]`. pub fn attr_word(&self, name: Symbol, span: Span) -> ast::Attribute { let g = &self.sess.psess.attr_id_generator; - attr::mk_attr_word(g, ast::AttrStyle::Outer, name, span) + attr::mk_attr_word(g, ast::AttrStyle::Outer, ast::Unsafe::No, name, span) } // Builds `#[name = val]`. @@ -674,12 +674,12 @@ impl<'a> ExtCtxt<'a> { // Note: `span` is used for both the identifier and the value. pub fn attr_name_value_str(&self, name: Symbol, val: Symbol, span: Span) -> ast::Attribute { let g = &self.sess.psess.attr_id_generator; - attr::mk_attr_name_value_str(g, ast::AttrStyle::Outer, name, val, span) + attr::mk_attr_name_value_str(g, ast::AttrStyle::Outer, ast::Unsafe::No, name, val, span) } // Builds `#[outer(inner)]`. pub fn attr_nested_word(&self, outer: Symbol, inner: Symbol, span: Span) -> ast::Attribute { let g = &self.sess.psess.attr_id_generator; - attr::mk_attr_nested_word(g, ast::AttrStyle::Outer, outer, inner, span) + attr::mk_attr_nested_word(g, ast::AttrStyle::Outer, ast::Unsafe::No, outer, inner, span) } } diff --git a/compiler/rustc_expand/src/expand.rs b/compiler/rustc_expand/src/expand.rs index d8f0f221189a..77cb617eb33a 100644 --- a/compiler/rustc_expand/src/expand.rs +++ b/compiler/rustc_expand/src/expand.rs @@ -778,7 +778,13 @@ impl<'a, 'b> MacroExpander<'a, 'b> { if let SyntaxExtensionKind::Derive(..) = ext { self.gate_proc_macro_input(&item); } - let meta = ast::MetaItem { kind: MetaItemKind::Word, span, path }; + // FIX THIS LATER + let meta = ast::MetaItem { + unsafety: ast::Unsafe::No, + kind: MetaItemKind::Word, + span, + path, + }; let items = match expander.expand(self.cx, span, &meta, item, is_const) { ExpandResult::Ready(items) => items, ExpandResult::Retry(item) => { diff --git a/compiler/rustc_feature/src/builtin_attrs.rs b/compiler/rustc_feature/src/builtin_attrs.rs index 8b7e93fd5558..edfda9bf066b 100644 --- a/compiler/rustc_feature/src/builtin_attrs.rs +++ b/compiler/rustc_feature/src/builtin_attrs.rs @@ -59,6 +59,17 @@ pub enum AttributeType { CrateLevel, } +#[derive(Copy, Clone, PartialEq, Debug)] +#[allow(dead_code)] +pub enum AttributeSafety { + /// Normal attribute that does not need `#[unsafe(...)]` + Normal, + + /// Unsafe attribute that requires safety obligations + /// to be discharged + Unsafe, +} + #[derive(Clone, Copy)] pub enum AttributeGate { /// Is gated by a given feature gate, reason @@ -177,6 +188,18 @@ macro_rules! ungated { name: sym::$attr, encode_cross_crate: $encode_cross_crate, type_: $typ, + safety: AttributeSafety::Normal, + template: $tpl, + gate: Ungated, + duplicates: $duplicates, + } + }; + (unsafe $attr:ident, $typ:expr, $tpl:expr, $duplicates:expr, $encode_cross_crate:expr $(,)?) => { + BuiltinAttribute { + name: sym::$attr, + encode_cross_crate: $encode_cross_crate, + type_: $typ, + safety: AttributeSafety::Unsafe, template: $tpl, gate: Ungated, duplicates: $duplicates, @@ -190,6 +213,7 @@ macro_rules! gated { name: sym::$attr, encode_cross_crate: $encode_cross_crate, type_: $typ, + safety: AttributeSafety::Normal, template: $tpl, duplicates: $duplicates, gate: Gated(Stability::Unstable, sym::$gate, $msg, cfg_fn!($gate)), @@ -200,6 +224,29 @@ macro_rules! gated { name: sym::$attr, encode_cross_crate: $encode_cross_crate, type_: $typ, + safety: AttributeSafety::Normal, + template: $tpl, + duplicates: $duplicates, + gate: Gated(Stability::Unstable, sym::$attr, $msg, cfg_fn!($attr)), + } + }; + (unsafe $attr:ident, $typ:expr, $tpl:expr, $duplicates:expr, $encode_cross_crate:expr, $gate:ident, $msg:expr $(,)?) => { + BuiltinAttribute { + name: sym::$attr, + encode_cross_crate: $encode_cross_crate, + type_: $typ, + safety: AttributeSafety::Unsafe, + template: $tpl, + duplicates: $duplicates, + gate: Gated(Stability::Unstable, sym::$gate, $msg, cfg_fn!($gate)), + } + }; + (unsafe $attr:ident, $typ:expr, $tpl:expr, $duplicates:expr, $encode_cross_crate:expr, $msg:expr $(,)?) => { + BuiltinAttribute { + name: sym::$attr, + encode_cross_crate: $encode_cross_crate, + type_: $typ, + safety: AttributeSafety::Unsafe, template: $tpl, duplicates: $duplicates, gate: Gated(Stability::Unstable, sym::$attr, $msg, cfg_fn!($attr)), @@ -228,6 +275,7 @@ macro_rules! rustc_attr { name: sym::$attr, encode_cross_crate: $encode_cross_crate, type_: $typ, + safety: AttributeSafety::Normal, template: $tpl, duplicates: $duplicates, gate: Gated(Stability::Unstable, sym::rustc_attrs, $msg, cfg_fn!(rustc_attrs)), @@ -258,6 +306,7 @@ pub struct BuiltinAttribute { /// Otherwise, it can only be used in the local crate. pub encode_cross_crate: EncodeCrossCrate, pub type_: AttributeType, + pub safety: AttributeSafety, pub template: AttributeTemplate, pub duplicates: AttributeDuplicates, pub gate: AttributeGate, @@ -375,9 +424,9 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ ), ungated!(no_link, Normal, template!(Word), WarnFollowing, EncodeCrossCrate::No), ungated!(repr, Normal, template!(List: "C"), DuplicatesOk, EncodeCrossCrate::No), - ungated!(export_name, Normal, template!(NameValueStr: "name"), FutureWarnPreceding, EncodeCrossCrate::No), - ungated!(link_section, Normal, template!(NameValueStr: "name"), FutureWarnPreceding, EncodeCrossCrate::No), - ungated!(no_mangle, Normal, template!(Word), WarnFollowing, EncodeCrossCrate::No), + ungated!(unsafe export_name, Normal, template!(NameValueStr: "name"), FutureWarnPreceding, EncodeCrossCrate::No), + ungated!(unsafe link_section, Normal, template!(NameValueStr: "name"), FutureWarnPreceding, EncodeCrossCrate::No), + ungated!(unsafe no_mangle, Normal, template!(Word), WarnFollowing, EncodeCrossCrate::No), ungated!(used, Normal, template!(Word, List: "compiler|linker"), WarnFollowing, EncodeCrossCrate::No), ungated!(link_ordinal, Normal, template!(List: "ordinal"), ErrorPreceding, EncodeCrossCrate::Yes), @@ -850,6 +899,7 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ // FIXME: This can be `true` once we always use `tcx.is_diagnostic_item`. encode_cross_crate: EncodeCrossCrate::Yes, type_: Normal, + safety: AttributeSafety::Normal, template: template!(NameValueStr: "name"), duplicates: ErrorFollowing, gate: Gated( diff --git a/compiler/rustc_feature/src/unstable.rs b/compiler/rustc_feature/src/unstable.rs index 8add2b927614..83a50f017d3b 100644 --- a/compiler/rustc_feature/src/unstable.rs +++ b/compiler/rustc_feature/src/unstable.rs @@ -623,6 +623,7 @@ declare_features! ( /// Allows unsafe on extern declarations and safety qualifiers over internal items. (unstable, unsafe_extern_blocks, "CURRENT_RUSTC_VERSION", Some(123743)), /// Allows unsized fn parameters. + (unstable, unsafe_attributes, "CURRENT_RUSTC_VERSION", Some(123757)), (unstable, unsized_fn_params, "1.49.0", Some(48055)), /// Allows unsized rvalues at arguments and parameters. (incomplete, unsized_locals, "1.30.0", Some(48055)), diff --git a/compiler/rustc_parse/src/parser/attr.rs b/compiler/rustc_parse/src/parser/attr.rs index 4acc610d8c40..2dd19f6c20af 100644 --- a/compiler/rustc_parse/src/parser/attr.rs +++ b/compiler/rustc_parse/src/parser/attr.rs @@ -7,7 +7,7 @@ use rustc_ast as ast; use rustc_ast::attr; use rustc_ast::token::{self, Delimiter}; use rustc_errors::{codes::*, Diag, PResult}; -use rustc_span::{sym, BytePos, Span}; +use rustc_span::{sym, symbol::kw, BytePos, Span}; use thin_vec::ThinVec; use tracing::debug; @@ -252,9 +252,23 @@ impl<'a> Parser<'a> { maybe_whole!(self, NtMeta, |attr| attr.into_inner()); let do_parse = |this: &mut Self| { + let is_unsafe = this.eat_keyword(kw::Unsafe); + let unsafety = if is_unsafe { + let unsafe_span = this.prev_token.span; + this.psess.gated_spans.gate(sym::unsafe_attributes, unsafe_span); + this.expect(&token::OpenDelim(Delimiter::Parenthesis))?; + + ast::Unsafe::Yes(unsafe_span) + } else { + ast::Unsafe::No + }; + let path = this.parse_path(PathStyle::Mod)?; let args = this.parse_attr_args()?; - Ok(ast::AttrItem { path, args, tokens: None }) + if is_unsafe { + this.expect(&token::CloseDelim(Delimiter::Parenthesis))?; + } + Ok(ast::AttrItem { unsafety, path, args, tokens: None }) }; // Attr items don't have attributes if capture_tokens { self.collect_tokens_no_attrs(do_parse) } else { do_parse(self) } @@ -375,10 +389,25 @@ impl<'a> Parser<'a> { } let lo = self.token.span; + let is_unsafe = self.eat_keyword(kw::Unsafe); + let unsafety = if is_unsafe { + let unsafe_span = self.prev_token.span; + self.psess.gated_spans.gate(sym::unsafe_attributes, unsafe_span); + self.expect(&token::OpenDelim(Delimiter::Parenthesis))?; + + ast::Unsafe::Yes(unsafe_span) + } else { + ast::Unsafe::No + }; + let path = self.parse_path(PathStyle::Mod)?; let kind = self.parse_meta_item_kind()?; + if is_unsafe { + self.expect(&token::CloseDelim(Delimiter::Parenthesis))?; + } let span = lo.to(self.prev_token.span); - Ok(ast::MetaItem { path, kind, span }) + + Ok(ast::MetaItem { unsafety, path, kind, span }) } pub(crate) fn parse_meta_item_kind(&mut self) -> PResult<'a, ast::MetaItemKind> { diff --git a/compiler/rustc_parse/src/validate_attr.rs b/compiler/rustc_parse/src/validate_attr.rs index b91ef1ae1f32..58342ff82907 100644 --- a/compiler/rustc_parse/src/validate_attr.rs +++ b/compiler/rustc_parse/src/validate_attr.rs @@ -42,6 +42,7 @@ pub fn check_attr(psess: &ParseSess, attr: &Attribute) { pub fn parse_meta<'a>(psess: &'a ParseSess, attr: &Attribute) -> PResult<'a, MetaItem> { let item = attr.get_normal_item(); Ok(MetaItem { + unsafety: item.unsafety, span: attr.span, path: item.path.clone(), kind: match &item.args { diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index f530d1dd1d4b..935942641677 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -1962,6 +1962,7 @@ symbols! { unreachable_display, unreachable_macro, unrestricted_attribute_tokens, + unsafe_attributes, unsafe_block_in_unsafe_fn, unsafe_cell, unsafe_cell_raw_get, diff --git a/src/librustdoc/clean/cfg/tests.rs b/src/librustdoc/clean/cfg/tests.rs index 20bcf1abf417..2579c15fc5fc 100644 --- a/src/librustdoc/clean/cfg/tests.rs +++ b/src/librustdoc/clean/cfg/tests.rs @@ -1,6 +1,6 @@ use super::*; -use rustc_ast::{MetaItemLit, Path, StrStyle}; +use rustc_ast::{MetaItemLit, Path, StrStyle, Unsafe}; use rustc_span::create_default_session_globals_then; use rustc_span::symbol::{kw, Ident}; use rustc_span::DUMMY_SP; @@ -16,6 +16,7 @@ fn name_value_cfg(name: &str, value: &str) -> Cfg { fn dummy_meta_item_word(name: &str) -> MetaItem { MetaItem { + unsafety: Unsafe::No, path: Path::from_ident(Ident::from_str(name)), kind: MetaItemKind::Word, span: DUMMY_SP, @@ -25,6 +26,7 @@ fn dummy_meta_item_word(name: &str) -> MetaItem { fn dummy_meta_item_name_value(name: &str, symbol: Symbol, kind: LitKind) -> MetaItem { let lit = MetaItemLit { symbol, suffix: None, kind, span: DUMMY_SP }; MetaItem { + unsafety: Unsafe::No, path: Path::from_ident(Ident::from_str(name)), kind: MetaItemKind::NameValue(lit), span: DUMMY_SP, @@ -34,6 +36,7 @@ fn dummy_meta_item_name_value(name: &str, symbol: Symbol, kind: LitKind) -> Meta macro_rules! dummy_meta_item_list { ($name:ident, [$($list:ident),* $(,)?]) => { MetaItem { + unsafety: Unsafe::No, path: Path::from_ident(Ident::from_str(stringify!($name))), kind: MetaItemKind::List(thin_vec![ $( @@ -48,6 +51,7 @@ macro_rules! dummy_meta_item_list { ($name:ident, [$($list:expr),* $(,)?]) => { MetaItem { + unsafety: Unsafe::No, path: Path::from_ident(Ident::from_str(stringify!($name))), kind: MetaItemKind::List(thin_vec![ $( diff --git a/tests/ui/feature-gates/feature-gate-unsafe-attributes.rs b/tests/ui/feature-gates/feature-gate-unsafe-attributes.rs new file mode 100644 index 000000000000..9eba415dda0e --- /dev/null +++ b/tests/ui/feature-gates/feature-gate-unsafe-attributes.rs @@ -0,0 +1,8 @@ +#[unsafe(no_mangle)] //~ ERROR [E0658] +extern "C" fn foo() { + +} + +fn main() { + foo(); +} diff --git a/tests/ui/feature-gates/feature-gate-unsafe-attributes.stderr b/tests/ui/feature-gates/feature-gate-unsafe-attributes.stderr new file mode 100644 index 000000000000..dfcea756b02b --- /dev/null +++ b/tests/ui/feature-gates/feature-gate-unsafe-attributes.stderr @@ -0,0 +1,13 @@ +error[E0658]: `#[unsafe()]` markers for attributes are experimental + --> $DIR/feature-gate-unsafe-attributes.rs:1:3 + | +LL | #[unsafe(no_mangle)] + | ^^^^^^ + | + = note: see issue #123757 for more information + = help: add `#![feature(unsafe_attributes)]` to the crate attributes to enable + = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0658`. From c4de986afa792fa910f255f6315c50b82275abf9 Mon Sep 17 00:00:00 2001 From: carbotaniuman <41451839+carbotaniuman@users.noreply.github.com> Date: Tue, 23 Apr 2024 07:50:53 -0500 Subject: [PATCH 1112/1716] Disallow unsafe in derive --- compiler/rustc_builtin_macros/messages.ftl | 3 +++ compiler/rustc_builtin_macros/src/derive.rs | 12 +++++++++++- compiler/rustc_builtin_macros/src/errors.rs | 7 +++++++ compiler/rustc_expand/src/expand.rs | 3 ++- .../ui/attributes/unsafe/derive-unsafe-attributes.rs | 6 ++++++ .../unsafe/derive-unsafe-attributes.stderr | 8 ++++++++ 6 files changed, 37 insertions(+), 2 deletions(-) create mode 100644 tests/ui/attributes/unsafe/derive-unsafe-attributes.rs create mode 100644 tests/ui/attributes/unsafe/derive-unsafe-attributes.stderr diff --git a/compiler/rustc_builtin_macros/messages.ftl b/compiler/rustc_builtin_macros/messages.ftl index a3d6a1c73607..2d1269e1b6ad 100644 --- a/compiler/rustc_builtin_macros/messages.ftl +++ b/compiler/rustc_builtin_macros/messages.ftl @@ -110,6 +110,9 @@ builtin_macros_derive_path_args_list = traits in `#[derive(...)]` don't accept a builtin_macros_derive_path_args_value = traits in `#[derive(...)]` don't accept values .suggestion = remove the value +builtin_macros_derive_unsafe_path = traits in `#[derive(...)]` don't accept `unsafe(...)` + .suggestion = remove the `unsafe(...)` + builtin_macros_env_not_defined = environment variable `{$var}` not defined at compile time .cargo = Cargo sets build script variables at run time. Use `std::env::var({$var_expr})` instead .custom = use `std::env::var({$var_expr})` to read the variable at run time diff --git a/compiler/rustc_builtin_macros/src/derive.rs b/compiler/rustc_builtin_macros/src/derive.rs index d14858e5c1db..d70eaa617ca8 100644 --- a/compiler/rustc_builtin_macros/src/derive.rs +++ b/compiler/rustc_builtin_macros/src/derive.rs @@ -2,7 +2,7 @@ use crate::cfg_eval::cfg_eval; use crate::errors; use rustc_ast as ast; -use rustc_ast::{GenericParamKind, ItemKind, MetaItemKind, NestedMetaItem, StmtKind}; +use rustc_ast::{GenericParamKind, ItemKind, MetaItemKind, NestedMetaItem, StmtKind, Unsafe}; use rustc_expand::base::{ Annotatable, DeriveResolution, ExpandResult, ExtCtxt, Indeterminate, MultiItemModifier, }; @@ -60,6 +60,7 @@ impl MultiItemModifier for Expander { // Reject `#[derive(Debug = "value", Debug(abc))]`, but recover the // paths. report_path_args(sess, meta); + report_unsafe_args(sess, meta); meta.path.clone() }) .map(|path| DeriveResolution { @@ -159,3 +160,12 @@ fn report_path_args(sess: &Session, meta: &ast::MetaItem) { } } } + +fn report_unsafe_args(sess: &Session, meta: &ast::MetaItem) { + match meta.unsafety { + Unsafe::Yes(span) => { + sess.dcx().emit_err(errors::DeriveUnsafePath { span }); + } + Unsafe::No => {} + } +} diff --git a/compiler/rustc_builtin_macros/src/errors.rs b/compiler/rustc_builtin_macros/src/errors.rs index d157703723be..b14eb2b5ee60 100644 --- a/compiler/rustc_builtin_macros/src/errors.rs +++ b/compiler/rustc_builtin_macros/src/errors.rs @@ -295,6 +295,13 @@ pub(crate) struct DerivePathArgsValue { pub(crate) span: Span, } +#[derive(Diagnostic)] +#[diag(builtin_macros_derive_unsafe_path)] +pub(crate) struct DeriveUnsafePath { + #[primary_span] + pub(crate) span: Span, +} + #[derive(Diagnostic)] #[diag(builtin_macros_no_default_variant)] #[help] diff --git a/compiler/rustc_expand/src/expand.rs b/compiler/rustc_expand/src/expand.rs index 77cb617eb33a..dfef2540d29d 100644 --- a/compiler/rustc_expand/src/expand.rs +++ b/compiler/rustc_expand/src/expand.rs @@ -778,7 +778,8 @@ impl<'a, 'b> MacroExpander<'a, 'b> { if let SyntaxExtensionKind::Derive(..) = ext { self.gate_proc_macro_input(&item); } - // FIX THIS LATER + // The `MetaItem` representing the trait to derive can't + // have an unsafe around it (as of now). let meta = ast::MetaItem { unsafety: ast::Unsafe::No, kind: MetaItemKind::Word, diff --git a/tests/ui/attributes/unsafe/derive-unsafe-attributes.rs b/tests/ui/attributes/unsafe/derive-unsafe-attributes.rs new file mode 100644 index 000000000000..774ce86c0960 --- /dev/null +++ b/tests/ui/attributes/unsafe/derive-unsafe-attributes.rs @@ -0,0 +1,6 @@ +#![feature(unsafe_attributes)] + +#[derive(unsafe(Debug))] //~ ERROR: traits in `#[derive(...)]` don't accept `unsafe(...)` +struct Foo; + +fn main() {} diff --git a/tests/ui/attributes/unsafe/derive-unsafe-attributes.stderr b/tests/ui/attributes/unsafe/derive-unsafe-attributes.stderr new file mode 100644 index 000000000000..fc0daf16790a --- /dev/null +++ b/tests/ui/attributes/unsafe/derive-unsafe-attributes.stderr @@ -0,0 +1,8 @@ +error: traits in `#[derive(...)]` don't accept `unsafe(...)` + --> $DIR/derive-unsafe-attributes.rs:3:10 + | +LL | #[derive(unsafe(Debug))] + | ^^^^^^ + +error: aborting due to 1 previous error + From 6ec492fddea96012db4ec8473de3bb27718a25b3 Mon Sep 17 00:00:00 2001 From: carbotaniuman <41451839+carbotaniuman@users.noreply.github.com> Date: Thu, 25 Apr 2024 11:12:02 -0500 Subject: [PATCH 1113/1716] Reorder `unsafe` macro cases --- compiler/rustc_feature/src/builtin_attrs.rs | 66 ++++++++++----------- 1 file changed, 33 insertions(+), 33 deletions(-) diff --git a/compiler/rustc_feature/src/builtin_attrs.rs b/compiler/rustc_feature/src/builtin_attrs.rs index edfda9bf066b..8fa0c30173ef 100644 --- a/compiler/rustc_feature/src/builtin_attrs.rs +++ b/compiler/rustc_feature/src/builtin_attrs.rs @@ -183,17 +183,6 @@ macro_rules! template { } macro_rules! ungated { - ($attr:ident, $typ:expr, $tpl:expr, $duplicates:expr, $encode_cross_crate:expr $(,)?) => { - BuiltinAttribute { - name: sym::$attr, - encode_cross_crate: $encode_cross_crate, - type_: $typ, - safety: AttributeSafety::Normal, - template: $tpl, - gate: Ungated, - duplicates: $duplicates, - } - }; (unsafe $attr:ident, $typ:expr, $tpl:expr, $duplicates:expr, $encode_cross_crate:expr $(,)?) => { BuiltinAttribute { name: sym::$attr, @@ -205,31 +194,20 @@ macro_rules! ungated { duplicates: $duplicates, } }; + ($attr:ident, $typ:expr, $tpl:expr, $duplicates:expr, $encode_cross_crate:expr $(,)?) => { + BuiltinAttribute { + name: sym::$attr, + encode_cross_crate: $encode_cross_crate, + type_: $typ, + safety: AttributeSafety::Normal, + template: $tpl, + gate: Ungated, + duplicates: $duplicates, + } + }; } macro_rules! gated { - ($attr:ident, $typ:expr, $tpl:expr, $duplicates:expr, $encode_cross_crate:expr, $gate:ident, $msg:expr $(,)?) => { - BuiltinAttribute { - name: sym::$attr, - encode_cross_crate: $encode_cross_crate, - type_: $typ, - safety: AttributeSafety::Normal, - template: $tpl, - duplicates: $duplicates, - gate: Gated(Stability::Unstable, sym::$gate, $msg, cfg_fn!($gate)), - } - }; - ($attr:ident, $typ:expr, $tpl:expr, $duplicates:expr, $encode_cross_crate:expr, $msg:expr $(,)?) => { - BuiltinAttribute { - name: sym::$attr, - encode_cross_crate: $encode_cross_crate, - type_: $typ, - safety: AttributeSafety::Normal, - template: $tpl, - duplicates: $duplicates, - gate: Gated(Stability::Unstable, sym::$attr, $msg, cfg_fn!($attr)), - } - }; (unsafe $attr:ident, $typ:expr, $tpl:expr, $duplicates:expr, $encode_cross_crate:expr, $gate:ident, $msg:expr $(,)?) => { BuiltinAttribute { name: sym::$attr, @@ -252,6 +230,28 @@ macro_rules! gated { gate: Gated(Stability::Unstable, sym::$attr, $msg, cfg_fn!($attr)), } }; + ($attr:ident, $typ:expr, $tpl:expr, $duplicates:expr, $encode_cross_crate:expr, $gate:ident, $msg:expr $(,)?) => { + BuiltinAttribute { + name: sym::$attr, + encode_cross_crate: $encode_cross_crate, + type_: $typ, + safety: AttributeSafety::Normal, + template: $tpl, + duplicates: $duplicates, + gate: Gated(Stability::Unstable, sym::$gate, $msg, cfg_fn!($gate)), + } + }; + ($attr:ident, $typ:expr, $tpl:expr, $duplicates:expr, $encode_cross_crate:expr, $msg:expr $(,)?) => { + BuiltinAttribute { + name: sym::$attr, + encode_cross_crate: $encode_cross_crate, + type_: $typ, + safety: AttributeSafety::Normal, + template: $tpl, + duplicates: $duplicates, + gate: Gated(Stability::Unstable, sym::$attr, $msg, cfg_fn!($attr)), + } + }; } macro_rules! rustc_attr { From 48851d9adbd358a678e8ef8102d131aaa42884fc Mon Sep 17 00:00:00 2001 From: carbotaniuman <41451839+carbotaniuman@users.noreply.github.com> Date: Sun, 28 Apr 2024 15:43:07 -0500 Subject: [PATCH 1114/1716] Add tests --- tests/ui/attributes/unsafe/cfg-unsafe-attributes.rs | 7 +++++++ tests/ui/attributes/unsafe/unsafe-attributes.rs | 7 +++++++ 2 files changed, 14 insertions(+) create mode 100644 tests/ui/attributes/unsafe/cfg-unsafe-attributes.rs create mode 100644 tests/ui/attributes/unsafe/unsafe-attributes.rs diff --git a/tests/ui/attributes/unsafe/cfg-unsafe-attributes.rs b/tests/ui/attributes/unsafe/cfg-unsafe-attributes.rs new file mode 100644 index 000000000000..ce365d1a8b1c --- /dev/null +++ b/tests/ui/attributes/unsafe/cfg-unsafe-attributes.rs @@ -0,0 +1,7 @@ +//@ build-pass +#![feature(unsafe_attributes)] + +#[cfg_attr(all(), unsafe(no_mangle))] +fn a() {} + +fn main() {} diff --git a/tests/ui/attributes/unsafe/unsafe-attributes.rs b/tests/ui/attributes/unsafe/unsafe-attributes.rs new file mode 100644 index 000000000000..e7620a18048e --- /dev/null +++ b/tests/ui/attributes/unsafe/unsafe-attributes.rs @@ -0,0 +1,7 @@ +//@ build-pass +#![feature(unsafe_attributes)] + +#[unsafe(no_mangle)] +fn a() {} + +fn main() {} From 230b58febf78bb1680b4960d32350a7430a8aab5 Mon Sep 17 00:00:00 2001 From: carbotaniuman <41451839+carbotaniuman@users.noreply.github.com> Date: Wed, 15 May 2024 18:52:08 -0500 Subject: [PATCH 1115/1716] Error on unsafe on non-unsafe attribute --- compiler/rustc_feature/src/builtin_attrs.rs | 4 ++++ compiler/rustc_feature/src/lib.rs | 4 ++-- compiler/rustc_passes/messages.ftl | 4 ++++ compiler/rustc_passes/src/check_attr.rs | 22 ++++++++++++++++++- compiler/rustc_passes/src/errors.rs | 11 +++++++++- .../unsafe/unsafe-safe-attribute.rs | 6 +++++ .../unsafe/unsafe-safe-attribute.stderr | 10 +++++++++ .../unsafe-safe-attribute_diagnostic.rs | 8 +++++++ .../unsafe-safe-attribute_diagnostic.stderr | 10 +++++++++ 9 files changed, 75 insertions(+), 4 deletions(-) create mode 100644 tests/ui/attributes/unsafe/unsafe-safe-attribute.rs create mode 100644 tests/ui/attributes/unsafe/unsafe-safe-attribute.stderr create mode 100644 tests/ui/attributes/unsafe/unsafe-safe-attribute_diagnostic.rs create mode 100644 tests/ui/attributes/unsafe/unsafe-safe-attribute_diagnostic.stderr diff --git a/compiler/rustc_feature/src/builtin_attrs.rs b/compiler/rustc_feature/src/builtin_attrs.rs index 8fa0c30173ef..f901f5c8c41a 100644 --- a/compiler/rustc_feature/src/builtin_attrs.rs +++ b/compiler/rustc_feature/src/builtin_attrs.rs @@ -1146,6 +1146,10 @@ pub fn is_valid_for_get_attr(name: Symbol) -> bool { }) } +pub fn is_unsafe_attr(name: Symbol) -> bool { + BUILTIN_ATTRIBUTE_MAP.get(&name).is_some_and(|attr| attr.safety == AttributeSafety::Unsafe) +} + pub static BUILTIN_ATTRIBUTE_MAP: LazyLock> = LazyLock::new(|| { let mut map = FxHashMap::default(); diff --git a/compiler/rustc_feature/src/lib.rs b/compiler/rustc_feature/src/lib.rs index 9cbf836ec76f..9db9073e2f02 100644 --- a/compiler/rustc_feature/src/lib.rs +++ b/compiler/rustc_feature/src/lib.rs @@ -123,8 +123,8 @@ pub use accepted::ACCEPTED_FEATURES; pub use builtin_attrs::AttributeDuplicates; pub use builtin_attrs::{ deprecated_attributes, encode_cross_crate, find_gated_cfg, is_builtin_attr_name, - is_valid_for_get_attr, AttributeGate, AttributeTemplate, AttributeType, BuiltinAttribute, - GatedCfg, BUILTIN_ATTRIBUTES, BUILTIN_ATTRIBUTE_MAP, + is_unsafe_attr, is_valid_for_get_attr, AttributeGate, AttributeTemplate, AttributeType, + BuiltinAttribute, GatedCfg, BUILTIN_ATTRIBUTES, BUILTIN_ATTRIBUTE_MAP, }; pub use removed::REMOVED_FEATURES; pub use unstable::{Features, INCOMPATIBLE_FEATURES, UNSTABLE_FEATURES}; diff --git a/compiler/rustc_passes/messages.ftl b/compiler/rustc_passes/messages.ftl index d850644bb452..07c82065a80d 100644 --- a/compiler/rustc_passes/messages.ftl +++ b/compiler/rustc_passes/messages.ftl @@ -384,6 +384,10 @@ passes_invalid_attr_at_crate_level = passes_invalid_attr_at_crate_level_item = the inner attribute doesn't annotate this {$kind} +passes_invalid_attr_unsafe = `{$name}` is not an unsafe attribute + .suggestion = remove the `unsafe(...)` + .note = extraneous unsafe is not allowed in attributes + passes_invalid_macro_export_arguments = `{$name}` isn't a valid `#[macro_export]` argument passes_invalid_macro_export_arguments_too_many_items = `#[macro_export]` can only take 1 or 0 arguments diff --git a/compiler/rustc_passes/src/check_attr.rs b/compiler/rustc_passes/src/check_attr.rs index 39cb48c1af3a..d826eacbd156 100644 --- a/compiler/rustc_passes/src/check_attr.rs +++ b/compiler/rustc_passes/src/check_attr.rs @@ -10,7 +10,9 @@ use rustc_ast::{MetaItemKind, MetaItemLit, NestedMetaItem}; use rustc_data_structures::fx::FxHashMap; use rustc_errors::StashKey; use rustc_errors::{Applicability, DiagCtxt, IntoDiagArg, MultiSpan}; -use rustc_feature::{AttributeDuplicates, AttributeType, BuiltinAttribute, BUILTIN_ATTRIBUTE_MAP}; +use rustc_feature::{ + is_unsafe_attr, AttributeDuplicates, AttributeType, BuiltinAttribute, BUILTIN_ATTRIBUTE_MAP, +}; use rustc_hir::def_id::LocalModDefId; use rustc_hir::intravisit::{self, Visitor}; use rustc_hir::{self as hir}; @@ -114,6 +116,8 @@ impl<'tcx> CheckAttrVisitor<'tcx> { let mut seen = FxHashMap::default(); let attrs = self.tcx.hir().attrs(hir_id); for attr in attrs { + self.check_unsafe_attr(attr); + match attr.path().as_slice() { [sym::diagnostic, sym::do_not_recommend] => { self.check_do_not_recommend(attr.span, hir_id, target) @@ -308,6 +312,22 @@ impl<'tcx> CheckAttrVisitor<'tcx> { true } + + /// Checks if `unsafe()` is applied to an invalid attribute. + fn check_unsafe_attr(&self, attr: &Attribute) { + if !attr.is_doc_comment() { + let attr_item = attr.get_normal_item(); + if let ast::Unsafe::Yes(unsafe_span) = attr_item.unsafety { + if !is_unsafe_attr(attr.name_or_empty()) { + self.dcx().emit_err(errors::InvalidAttrUnsafe { + span: unsafe_span, + name: attr_item.path.clone(), + }); + } + } + } + } + /// Checks if `#[diagnostic::on_unimplemented]` is applied to a trait definition fn check_diagnostic_on_unimplemented( &self, diff --git a/compiler/rustc_passes/src/errors.rs b/compiler/rustc_passes/src/errors.rs index 7fdd9924b513..a935f1ad7d35 100644 --- a/compiler/rustc_passes/src/errors.rs +++ b/compiler/rustc_passes/src/errors.rs @@ -4,7 +4,7 @@ use std::{ }; use crate::fluent_generated as fluent; -use rustc_ast::Label; +use rustc_ast::{ast, Label}; use rustc_errors::{ codes::*, Applicability, Diag, DiagCtxt, DiagSymbolList, Diagnostic, EmissionGuarantee, Level, MultiSpan, SubdiagMessageOp, Subdiagnostic, @@ -863,6 +863,15 @@ pub struct InvalidAttrAtCrateLevel { pub item: Option, } +#[derive(Diagnostic)] +#[diag(passes_invalid_attr_unsafe)] +#[note] +pub struct InvalidAttrUnsafe { + #[primary_span] + pub span: Span, + pub name: ast::Path, +} + #[derive(Clone, Copy)] pub struct ItemFollowingInnerAttr { pub span: Span, diff --git a/tests/ui/attributes/unsafe/unsafe-safe-attribute.rs b/tests/ui/attributes/unsafe/unsafe-safe-attribute.rs new file mode 100644 index 000000000000..67db36afd2e6 --- /dev/null +++ b/tests/ui/attributes/unsafe/unsafe-safe-attribute.rs @@ -0,0 +1,6 @@ +#![feature(unsafe_attributes)] + +#[unsafe(repr(C))] //~ ERROR: is not an unsafe attribute +struct Foo {} + +fn main() {} diff --git a/tests/ui/attributes/unsafe/unsafe-safe-attribute.stderr b/tests/ui/attributes/unsafe/unsafe-safe-attribute.stderr new file mode 100644 index 000000000000..0602af34e4f6 --- /dev/null +++ b/tests/ui/attributes/unsafe/unsafe-safe-attribute.stderr @@ -0,0 +1,10 @@ +error: `repr` is not an unsafe attribute + --> $DIR/unsafe-safe-attribute.rs:3:3 + | +LL | #[unsafe(repr(C))] + | ^^^^^^ + | + = note: extraneous unsafe is not allowed in attributes + +error: aborting due to 1 previous error + diff --git a/tests/ui/attributes/unsafe/unsafe-safe-attribute_diagnostic.rs b/tests/ui/attributes/unsafe/unsafe-safe-attribute_diagnostic.rs new file mode 100644 index 000000000000..ff2eb61b4053 --- /dev/null +++ b/tests/ui/attributes/unsafe/unsafe-safe-attribute_diagnostic.rs @@ -0,0 +1,8 @@ +#![feature(unsafe_attributes)] + +#[unsafe(diagnostic::on_unimplemented( //~ ERROR: is not an unsafe attribute + message = "testing", +))] +trait Foo {} + +fn main() {} diff --git a/tests/ui/attributes/unsafe/unsafe-safe-attribute_diagnostic.stderr b/tests/ui/attributes/unsafe/unsafe-safe-attribute_diagnostic.stderr new file mode 100644 index 000000000000..584dacf4d8c9 --- /dev/null +++ b/tests/ui/attributes/unsafe/unsafe-safe-attribute_diagnostic.stderr @@ -0,0 +1,10 @@ +error: `diagnostic::on_unimplemented` is not an unsafe attribute + --> $DIR/unsafe-safe-attribute_diagnostic.rs:3:3 + | +LL | #[unsafe(diagnostic::on_unimplemented( + | ^^^^^^ + | + = note: extraneous unsafe is not allowed in attributes + +error: aborting due to 1 previous error + From 68719e0bda178103a3e4af0dc1e7df45f1d9dd00 Mon Sep 17 00:00:00 2001 From: carbotaniuman <41451839+carbotaniuman@users.noreply.github.com> Date: Thu, 16 May 2024 01:41:55 -0500 Subject: [PATCH 1116/1716] Fix doc comment --- compiler/rustc_feature/src/unstable.rs | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/compiler/rustc_feature/src/unstable.rs b/compiler/rustc_feature/src/unstable.rs index 83a50f017d3b..4688624f310b 100644 --- a/compiler/rustc_feature/src/unstable.rs +++ b/compiler/rustc_feature/src/unstable.rs @@ -622,8 +622,9 @@ declare_features! ( (incomplete, unnamed_fields, "1.74.0", Some(49804)), /// Allows unsafe on extern declarations and safety qualifiers over internal items. (unstable, unsafe_extern_blocks, "CURRENT_RUSTC_VERSION", Some(123743)), - /// Allows unsized fn parameters. + /// Allows unsafe attributes. (unstable, unsafe_attributes, "CURRENT_RUSTC_VERSION", Some(123757)), + /// Allows unsized fn parameters. (unstable, unsized_fn_params, "1.49.0", Some(48055)), /// Allows unsized rvalues at arguments and parameters. (incomplete, unsized_locals, "1.30.0", Some(48055)), From b82c5249961a6bd3ecacb98c68f9090892ec2615 Mon Sep 17 00:00:00 2001 From: carbotaniuman <41451839+carbotaniuman@users.noreply.github.com> Date: Thu, 16 May 2024 02:08:26 -0500 Subject: [PATCH 1117/1716] Add double unsafe test --- .../unsafe/double-unsafe-attributes.rs | 9 +++++++ .../unsafe/double-unsafe-attributes.stderr | 27 +++++++++++++++++++ 2 files changed, 36 insertions(+) create mode 100644 tests/ui/attributes/unsafe/double-unsafe-attributes.rs create mode 100644 tests/ui/attributes/unsafe/double-unsafe-attributes.stderr diff --git a/tests/ui/attributes/unsafe/double-unsafe-attributes.rs b/tests/ui/attributes/unsafe/double-unsafe-attributes.rs new file mode 100644 index 000000000000..a6c0ea578f25 --- /dev/null +++ b/tests/ui/attributes/unsafe/double-unsafe-attributes.rs @@ -0,0 +1,9 @@ +#![feature(unsafe_attributes)] + +#[unsafe(unsafe(no_mangle))] +//~^ ERROR expected identifier, found keyword `unsafe` +//~| ERROR cannot find attribute `r#unsafe` in this scope +//~| ERROR `r#unsafe` is not an unsafe attribute +fn a() {} + +fn main() {} diff --git a/tests/ui/attributes/unsafe/double-unsafe-attributes.stderr b/tests/ui/attributes/unsafe/double-unsafe-attributes.stderr new file mode 100644 index 000000000000..1c07a5bf8baa --- /dev/null +++ b/tests/ui/attributes/unsafe/double-unsafe-attributes.stderr @@ -0,0 +1,27 @@ +error: expected identifier, found keyword `unsafe` + --> $DIR/double-unsafe-attributes.rs:3:10 + | +LL | #[unsafe(unsafe(no_mangle))] + | ^^^^^^ expected identifier, found keyword + | +help: escape `unsafe` to use it as an identifier + | +LL | #[unsafe(r#unsafe(no_mangle))] + | ++ + +error: cannot find attribute `r#unsafe` in this scope + --> $DIR/double-unsafe-attributes.rs:3:10 + | +LL | #[unsafe(unsafe(no_mangle))] + | ^^^^^^ + +error: `r#unsafe` is not an unsafe attribute + --> $DIR/double-unsafe-attributes.rs:3:3 + | +LL | #[unsafe(unsafe(no_mangle))] + | ^^^^^^ + | + = note: extraneous unsafe is not allowed in attributes + +error: aborting due to 3 previous errors + From 87be1bae73586eaf917790f10ac2240186cb7b2b Mon Sep 17 00:00:00 2001 From: carbotaniuman <41451839+carbotaniuman@users.noreply.github.com> Date: Tue, 21 May 2024 08:37:05 -0500 Subject: [PATCH 1118/1716] Fix build --- compiler/rustc_ast/src/ast.rs | 6 +++--- compiler/rustc_ast/src/attr/mod.rs | 14 +++++++------- compiler/rustc_ast_lowering/src/expr.rs | 2 +- compiler/rustc_ast_pretty/src/pprust/state.rs | 6 +++--- compiler/rustc_builtin_macros/src/derive.rs | 6 +++--- compiler/rustc_builtin_macros/src/test_harness.rs | 2 +- compiler/rustc_expand/src/build.rs | 6 +++--- compiler/rustc_expand/src/expand.rs | 2 +- compiler/rustc_parse/src/parser/attr.rs | 8 ++++---- compiler/rustc_passes/src/check_attr.rs | 2 +- src/librustdoc/clean/cfg/tests.rs | 10 +++++----- 11 files changed, 32 insertions(+), 32 deletions(-) diff --git a/compiler/rustc_ast/src/ast.rs b/compiler/rustc_ast/src/ast.rs index 8cb49a1b7604..957c4d7c698f 100644 --- a/compiler/rustc_ast/src/ast.rs +++ b/compiler/rustc_ast/src/ast.rs @@ -488,7 +488,7 @@ pub struct Crate { /// E.g., `#[test]`, `#[derive(..)]`, `#[rustfmt::skip]` or `#[feature = "foo"]`. #[derive(Clone, Encodable, Decodable, Debug, HashStable_Generic)] pub struct MetaItem { - pub unsafety: Unsafe, + pub unsafety: Safety, pub path: Path, pub kind: MetaItemKind, pub span: Span, @@ -2825,7 +2825,7 @@ impl NormalAttr { pub fn from_ident(ident: Ident) -> Self { Self { item: AttrItem { - unsafety: Unsafe::No, + unsafety: Safety::Default, path: Path::from_ident(ident), args: AttrArgs::Empty, tokens: None, @@ -2837,7 +2837,7 @@ impl NormalAttr { #[derive(Clone, Encodable, Decodable, Debug, HashStable_Generic)] pub struct AttrItem { - pub unsafety: Unsafe, + pub unsafety: Safety, pub path: Path, pub args: AttrArgs, // Tokens for the meta item, e.g. just the `foo` within `#[foo]` or `#![foo]`. diff --git a/compiler/rustc_ast/src/attr/mod.rs b/compiler/rustc_ast/src/attr/mod.rs index 62b7a2762194..ed1b4733820e 100644 --- a/compiler/rustc_ast/src/attr/mod.rs +++ b/compiler/rustc_ast/src/attr/mod.rs @@ -1,7 +1,7 @@ //! Functions dealing with attributes and meta items. use crate::ast::{ - AttrArgs, AttrArgsEq, AttrId, AttrItem, AttrKind, AttrStyle, AttrVec, Attribute, Unsafe, + AttrArgs, AttrArgsEq, AttrId, AttrItem, AttrKind, AttrStyle, AttrVec, Attribute, Safety, }; use crate::ast::{DelimArgs, Expr, ExprKind, LitKind, MetaItemLit}; use crate::ast::{MetaItem, MetaItemKind, NestedMetaItem, NormalAttr}; @@ -241,7 +241,7 @@ impl AttrItem { pub fn meta(&self, span: Span) -> Option { Some(MetaItem { - unsafety: Unsafe::No, + unsafety: Safety::Default, path: self.path.clone(), kind: self.meta_kind()?, span, @@ -379,7 +379,7 @@ impl MetaItem { }; let span = path.span.with_hi(hi); // FIX THIS LATER - Some(MetaItem { unsafety: Unsafe::No, path, kind, span }) + Some(MetaItem { unsafety: Safety::Default, path, kind, span }) } } @@ -563,7 +563,7 @@ pub fn mk_doc_comment( pub fn mk_attr( g: &AttrIdGenerator, style: AttrStyle, - unsafety: Unsafe, + unsafety: Safety, path: Path, args: AttrArgs, span: Span, @@ -589,7 +589,7 @@ pub fn mk_attr_from_item( pub fn mk_attr_word( g: &AttrIdGenerator, style: AttrStyle, - unsafety: Unsafe, + unsafety: Safety, name: Symbol, span: Span, ) -> Attribute { @@ -601,7 +601,7 @@ pub fn mk_attr_word( pub fn mk_attr_nested_word( g: &AttrIdGenerator, style: AttrStyle, - unsafety: Unsafe, + unsafety: Safety, outer: Symbol, inner: Symbol, span: Span, @@ -623,7 +623,7 @@ pub fn mk_attr_nested_word( pub fn mk_attr_name_value_str( g: &AttrIdGenerator, style: AttrStyle, - unsafety: Unsafe, + unsafety: Safety, name: Symbol, val: Symbol, span: Span, diff --git a/compiler/rustc_ast_lowering/src/expr.rs b/compiler/rustc_ast_lowering/src/expr.rs index 5fbae6a34e5d..554f9f098586 100644 --- a/compiler/rustc_ast_lowering/src/expr.rs +++ b/compiler/rustc_ast_lowering/src/expr.rs @@ -1801,7 +1801,7 @@ impl<'hir> LoweringContext<'_, 'hir> { let attr = attr::mk_attr_nested_word( &self.tcx.sess.psess.attr_id_generator, AttrStyle::Outer, - Unsafe::No, + Safety::Default, sym::allow, sym::unreachable_code, self.lower_span(span), diff --git a/compiler/rustc_ast_pretty/src/pprust/state.rs b/compiler/rustc_ast_pretty/src/pprust/state.rs index e3ccbbe391e0..54d642f6a0ff 100644 --- a/compiler/rustc_ast_pretty/src/pprust/state.rs +++ b/compiler/rustc_ast_pretty/src/pprust/state.rs @@ -16,7 +16,7 @@ use rustc_ast::token::{self, BinOpToken, CommentKind, Delimiter, Nonterminal, To use rustc_ast::tokenstream::{Spacing, TokenStream, TokenTree}; use rustc_ast::util::classify; use rustc_ast::util::comments::{Comment, CommentStyle}; -use rustc_ast::{self as ast, AttrArgs, AttrArgsEq, BlockCheckMode, PatKind, Unsafe}; +use rustc_ast::{self as ast, AttrArgs, AttrArgsEq, BlockCheckMode, PatKind, Safety}; use rustc_ast::{attr, BindingMode, ByRef, DelimArgs, RangeEnd, RangeSyntax, Term}; use rustc_ast::{GenericArg, GenericBound, SelfKind}; use rustc_ast::{InlineAsmOperand, InlineAsmRegOrRegClass}; @@ -249,7 +249,7 @@ pub fn print_crate<'a>( let fake_attr = attr::mk_attr_nested_word( g, ast::AttrStyle::Inner, - Unsafe::No, + Safety::Default, sym::feature, sym::prelude_import, DUMMY_SP, @@ -261,7 +261,7 @@ pub fn print_crate<'a>( if edition.is_rust_2015() { // `#![no_std]` let fake_attr = - attr::mk_attr_word(g, ast::AttrStyle::Inner, Unsafe::No, sym::no_std, DUMMY_SP); + attr::mk_attr_word(g, ast::AttrStyle::Inner, Safety::Default, sym::no_std, DUMMY_SP); s.print_attribute(&fake_attr); } } diff --git a/compiler/rustc_builtin_macros/src/derive.rs b/compiler/rustc_builtin_macros/src/derive.rs index d70eaa617ca8..dea668ff8f4b 100644 --- a/compiler/rustc_builtin_macros/src/derive.rs +++ b/compiler/rustc_builtin_macros/src/derive.rs @@ -2,7 +2,7 @@ use crate::cfg_eval::cfg_eval; use crate::errors; use rustc_ast as ast; -use rustc_ast::{GenericParamKind, ItemKind, MetaItemKind, NestedMetaItem, StmtKind, Unsafe}; +use rustc_ast::{GenericParamKind, ItemKind, MetaItemKind, NestedMetaItem, StmtKind, Safety}; use rustc_expand::base::{ Annotatable, DeriveResolution, ExpandResult, ExtCtxt, Indeterminate, MultiItemModifier, }; @@ -163,9 +163,9 @@ fn report_path_args(sess: &Session, meta: &ast::MetaItem) { fn report_unsafe_args(sess: &Session, meta: &ast::MetaItem) { match meta.unsafety { - Unsafe::Yes(span) => { + Safety::Unsafe(span) => { sess.dcx().emit_err(errors::DeriveUnsafePath { span }); } - Unsafe::No => {} + Safety::Default => {} } } diff --git a/compiler/rustc_builtin_macros/src/test_harness.rs b/compiler/rustc_builtin_macros/src/test_harness.rs index fec54cfe38fb..ba4e5cfd1307 100644 --- a/compiler/rustc_builtin_macros/src/test_harness.rs +++ b/compiler/rustc_builtin_macros/src/test_harness.rs @@ -203,7 +203,7 @@ impl<'a> MutVisitor for EntryPointCleaner<'a> { let allow_dead_code = attr::mk_attr_nested_word( &self.sess.psess.attr_id_generator, ast::AttrStyle::Outer, - ast::Unsafe::No, + ast::Safety::Default, sym::allow, sym::dead_code, self.def_site, diff --git a/compiler/rustc_expand/src/build.rs b/compiler/rustc_expand/src/build.rs index 9451102c010b..e513e61f4d1e 100644 --- a/compiler/rustc_expand/src/build.rs +++ b/compiler/rustc_expand/src/build.rs @@ -666,7 +666,7 @@ impl<'a> ExtCtxt<'a> { // Builds `#[name]`. pub fn attr_word(&self, name: Symbol, span: Span) -> ast::Attribute { let g = &self.sess.psess.attr_id_generator; - attr::mk_attr_word(g, ast::AttrStyle::Outer, ast::Unsafe::No, name, span) + attr::mk_attr_word(g, ast::AttrStyle::Outer, ast::Safety::Default, name, span) } // Builds `#[name = val]`. @@ -674,12 +674,12 @@ impl<'a> ExtCtxt<'a> { // Note: `span` is used for both the identifier and the value. pub fn attr_name_value_str(&self, name: Symbol, val: Symbol, span: Span) -> ast::Attribute { let g = &self.sess.psess.attr_id_generator; - attr::mk_attr_name_value_str(g, ast::AttrStyle::Outer, ast::Unsafe::No, name, val, span) + attr::mk_attr_name_value_str(g, ast::AttrStyle::Outer, ast::Safety::Default, name, val, span) } // Builds `#[outer(inner)]`. pub fn attr_nested_word(&self, outer: Symbol, inner: Symbol, span: Span) -> ast::Attribute { let g = &self.sess.psess.attr_id_generator; - attr::mk_attr_nested_word(g, ast::AttrStyle::Outer, ast::Unsafe::No, outer, inner, span) + attr::mk_attr_nested_word(g, ast::AttrStyle::Outer, ast::Safety::Default, outer, inner, span) } } diff --git a/compiler/rustc_expand/src/expand.rs b/compiler/rustc_expand/src/expand.rs index dfef2540d29d..c28a09eb57c7 100644 --- a/compiler/rustc_expand/src/expand.rs +++ b/compiler/rustc_expand/src/expand.rs @@ -781,7 +781,7 @@ impl<'a, 'b> MacroExpander<'a, 'b> { // The `MetaItem` representing the trait to derive can't // have an unsafe around it (as of now). let meta = ast::MetaItem { - unsafety: ast::Unsafe::No, + unsafety: ast::Safety::Default, kind: MetaItemKind::Word, span, path, diff --git a/compiler/rustc_parse/src/parser/attr.rs b/compiler/rustc_parse/src/parser/attr.rs index 2dd19f6c20af..58fef9b6c456 100644 --- a/compiler/rustc_parse/src/parser/attr.rs +++ b/compiler/rustc_parse/src/parser/attr.rs @@ -258,9 +258,9 @@ impl<'a> Parser<'a> { this.psess.gated_spans.gate(sym::unsafe_attributes, unsafe_span); this.expect(&token::OpenDelim(Delimiter::Parenthesis))?; - ast::Unsafe::Yes(unsafe_span) + ast::Safety::Unsafe(unsafe_span) } else { - ast::Unsafe::No + ast::Safety::Default }; let path = this.parse_path(PathStyle::Mod)?; @@ -395,9 +395,9 @@ impl<'a> Parser<'a> { self.psess.gated_spans.gate(sym::unsafe_attributes, unsafe_span); self.expect(&token::OpenDelim(Delimiter::Parenthesis))?; - ast::Unsafe::Yes(unsafe_span) + ast::Safety::Unsafe(unsafe_span) } else { - ast::Unsafe::No + ast::Safety::Default }; let path = self.parse_path(PathStyle::Mod)?; diff --git a/compiler/rustc_passes/src/check_attr.rs b/compiler/rustc_passes/src/check_attr.rs index d826eacbd156..29bc165159d8 100644 --- a/compiler/rustc_passes/src/check_attr.rs +++ b/compiler/rustc_passes/src/check_attr.rs @@ -317,7 +317,7 @@ impl<'tcx> CheckAttrVisitor<'tcx> { fn check_unsafe_attr(&self, attr: &Attribute) { if !attr.is_doc_comment() { let attr_item = attr.get_normal_item(); - if let ast::Unsafe::Yes(unsafe_span) = attr_item.unsafety { + if let ast::Safety::Unsafe(unsafe_span) = attr_item.unsafety { if !is_unsafe_attr(attr.name_or_empty()) { self.dcx().emit_err(errors::InvalidAttrUnsafe { span: unsafe_span, diff --git a/src/librustdoc/clean/cfg/tests.rs b/src/librustdoc/clean/cfg/tests.rs index 2579c15fc5fc..56a10f9fb9c2 100644 --- a/src/librustdoc/clean/cfg/tests.rs +++ b/src/librustdoc/clean/cfg/tests.rs @@ -1,6 +1,6 @@ use super::*; -use rustc_ast::{MetaItemLit, Path, StrStyle, Unsafe}; +use rustc_ast::{MetaItemLit, Path, StrStyle, Safety}; use rustc_span::create_default_session_globals_then; use rustc_span::symbol::{kw, Ident}; use rustc_span::DUMMY_SP; @@ -16,7 +16,7 @@ fn name_value_cfg(name: &str, value: &str) -> Cfg { fn dummy_meta_item_word(name: &str) -> MetaItem { MetaItem { - unsafety: Unsafe::No, + unsafety: Safety::Default, path: Path::from_ident(Ident::from_str(name)), kind: MetaItemKind::Word, span: DUMMY_SP, @@ -26,7 +26,7 @@ fn dummy_meta_item_word(name: &str) -> MetaItem { fn dummy_meta_item_name_value(name: &str, symbol: Symbol, kind: LitKind) -> MetaItem { let lit = MetaItemLit { symbol, suffix: None, kind, span: DUMMY_SP }; MetaItem { - unsafety: Unsafe::No, + unsafety: Safety::Default, path: Path::from_ident(Ident::from_str(name)), kind: MetaItemKind::NameValue(lit), span: DUMMY_SP, @@ -36,7 +36,7 @@ fn dummy_meta_item_name_value(name: &str, symbol: Symbol, kind: LitKind) -> Meta macro_rules! dummy_meta_item_list { ($name:ident, [$($list:ident),* $(,)?]) => { MetaItem { - unsafety: Unsafe::No, + unsafety: Safety::Default, path: Path::from_ident(Ident::from_str(stringify!($name))), kind: MetaItemKind::List(thin_vec![ $( @@ -51,7 +51,7 @@ macro_rules! dummy_meta_item_list { ($name:ident, [$($list:expr),* $(,)?]) => { MetaItem { - unsafety: Unsafe::No, + unsafety: Safety::Default, path: Path::from_ident(Ident::from_str(stringify!($name))), kind: MetaItemKind::List(thin_vec![ $( From 8aa2553b509b8ea033560aedebe0df7c1d8ca42c Mon Sep 17 00:00:00 2001 From: carbotaniuman <41451839+carbotaniuman@users.noreply.github.com> Date: Mon, 27 May 2024 11:41:41 -0500 Subject: [PATCH 1119/1716] Change comment to FIXME --- compiler/rustc_ast/src/attr/mod.rs | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/compiler/rustc_ast/src/attr/mod.rs b/compiler/rustc_ast/src/attr/mod.rs index ed1b4733820e..676a2377c3b3 100644 --- a/compiler/rustc_ast/src/attr/mod.rs +++ b/compiler/rustc_ast/src/attr/mod.rs @@ -378,7 +378,9 @@ impl MetaItem { _ => path.span.hi(), }; let span = path.span.with_hi(hi); - // FIX THIS LATER + // FIXME: This parses `unsafe()` not as unsafe attribute syntax in `MetaItem`, + // but as a parenthesized list. This (and likely `MetaItem`) should be changed in + // such a way that builtin macros don't accept extraneous `unsafe()`. Some(MetaItem { unsafety: Safety::Default, path, kind, span }) } } From 15f8ffe371debffe922d8dde74918a2d14acc1fd Mon Sep 17 00:00:00 2001 From: carbotaniuman <41451839+carbotaniuman@users.noreply.github.com> Date: Mon, 27 May 2024 11:45:32 -0500 Subject: [PATCH 1120/1716] Fix formatting --- compiler/rustc_ast_pretty/src/pprust/state.rs | 9 +++++++-- compiler/rustc_builtin_macros/src/derive.rs | 2 +- compiler/rustc_expand/src/build.rs | 18 ++++++++++++++++-- compiler/rustc_passes/src/check_attr.rs | 1 - src/librustdoc/clean/cfg/tests.rs | 2 +- 5 files changed, 25 insertions(+), 7 deletions(-) diff --git a/compiler/rustc_ast_pretty/src/pprust/state.rs b/compiler/rustc_ast_pretty/src/pprust/state.rs index 54d642f6a0ff..f32b63a39f0a 100644 --- a/compiler/rustc_ast_pretty/src/pprust/state.rs +++ b/compiler/rustc_ast_pretty/src/pprust/state.rs @@ -260,8 +260,13 @@ pub fn print_crate<'a>( // root, so this is not needed, and actually breaks things. if edition.is_rust_2015() { // `#![no_std]` - let fake_attr = - attr::mk_attr_word(g, ast::AttrStyle::Inner, Safety::Default, sym::no_std, DUMMY_SP); + let fake_attr = attr::mk_attr_word( + g, + ast::AttrStyle::Inner, + Safety::Default, + sym::no_std, + DUMMY_SP, + ); s.print_attribute(&fake_attr); } } diff --git a/compiler/rustc_builtin_macros/src/derive.rs b/compiler/rustc_builtin_macros/src/derive.rs index dea668ff8f4b..eed7fea11c19 100644 --- a/compiler/rustc_builtin_macros/src/derive.rs +++ b/compiler/rustc_builtin_macros/src/derive.rs @@ -2,7 +2,7 @@ use crate::cfg_eval::cfg_eval; use crate::errors; use rustc_ast as ast; -use rustc_ast::{GenericParamKind, ItemKind, MetaItemKind, NestedMetaItem, StmtKind, Safety}; +use rustc_ast::{GenericParamKind, ItemKind, MetaItemKind, NestedMetaItem, Safety, StmtKind}; use rustc_expand::base::{ Annotatable, DeriveResolution, ExpandResult, ExtCtxt, Indeterminate, MultiItemModifier, }; diff --git a/compiler/rustc_expand/src/build.rs b/compiler/rustc_expand/src/build.rs index e513e61f4d1e..37dfd8305126 100644 --- a/compiler/rustc_expand/src/build.rs +++ b/compiler/rustc_expand/src/build.rs @@ -674,12 +674,26 @@ impl<'a> ExtCtxt<'a> { // Note: `span` is used for both the identifier and the value. pub fn attr_name_value_str(&self, name: Symbol, val: Symbol, span: Span) -> ast::Attribute { let g = &self.sess.psess.attr_id_generator; - attr::mk_attr_name_value_str(g, ast::AttrStyle::Outer, ast::Safety::Default, name, val, span) + attr::mk_attr_name_value_str( + g, + ast::AttrStyle::Outer, + ast::Safety::Default, + name, + val, + span, + ) } // Builds `#[outer(inner)]`. pub fn attr_nested_word(&self, outer: Symbol, inner: Symbol, span: Span) -> ast::Attribute { let g = &self.sess.psess.attr_id_generator; - attr::mk_attr_nested_word(g, ast::AttrStyle::Outer, ast::Safety::Default, outer, inner, span) + attr::mk_attr_nested_word( + g, + ast::AttrStyle::Outer, + ast::Safety::Default, + outer, + inner, + span, + ) } } diff --git a/compiler/rustc_passes/src/check_attr.rs b/compiler/rustc_passes/src/check_attr.rs index 29bc165159d8..6ce7c41acc8f 100644 --- a/compiler/rustc_passes/src/check_attr.rs +++ b/compiler/rustc_passes/src/check_attr.rs @@ -312,7 +312,6 @@ impl<'tcx> CheckAttrVisitor<'tcx> { true } - /// Checks if `unsafe()` is applied to an invalid attribute. fn check_unsafe_attr(&self, attr: &Attribute) { if !attr.is_doc_comment() { diff --git a/src/librustdoc/clean/cfg/tests.rs b/src/librustdoc/clean/cfg/tests.rs index 56a10f9fb9c2..2857f74c744f 100644 --- a/src/librustdoc/clean/cfg/tests.rs +++ b/src/librustdoc/clean/cfg/tests.rs @@ -1,6 +1,6 @@ use super::*; -use rustc_ast::{MetaItemLit, Path, StrStyle, Safety}; +use rustc_ast::{MetaItemLit, Path, Safety, StrStyle}; use rustc_span::create_default_session_globals_then; use rustc_span::symbol::{kw, Ident}; use rustc_span::DUMMY_SP; From 1cc4e8c73393137709080ce9b91c3996c62ad1f9 Mon Sep 17 00:00:00 2001 From: carbotaniuman <41451839+carbotaniuman@users.noreply.github.com> Date: Mon, 27 May 2024 11:46:19 -0500 Subject: [PATCH 1121/1716] Add unsafe to `ffi_pure` and `ffi_const` --- compiler/rustc_feature/src/builtin_attrs.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/compiler/rustc_feature/src/builtin_attrs.rs b/compiler/rustc_feature/src/builtin_attrs.rs index f901f5c8c41a..1cea9cccd913 100644 --- a/compiler/rustc_feature/src/builtin_attrs.rs +++ b/compiler/rustc_feature/src/builtin_attrs.rs @@ -535,11 +535,11 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ ), gated!( - ffi_pure, Normal, template!(Word), WarnFollowing, + unsafe ffi_pure, Normal, template!(Word), WarnFollowing, EncodeCrossCrate::No, experimental!(ffi_pure) ), gated!( - ffi_const, Normal, template!(Word), WarnFollowing, + unsafe ffi_const, Normal, template!(Word), WarnFollowing, EncodeCrossCrate::No, experimental!(ffi_const) ), gated!( From 453093b7918dee3dda3b6a5bfe707a931013facd Mon Sep 17 00:00:00 2001 From: carbotaniuman <41451839+carbotaniuman@users.noreply.github.com> Date: Thu, 6 Jun 2024 20:36:23 -0500 Subject: [PATCH 1122/1716] Remove extraneous attribute --- compiler/rustc_feature/src/builtin_attrs.rs | 1 - 1 file changed, 1 deletion(-) diff --git a/compiler/rustc_feature/src/builtin_attrs.rs b/compiler/rustc_feature/src/builtin_attrs.rs index 1cea9cccd913..9b5e4e50d3ca 100644 --- a/compiler/rustc_feature/src/builtin_attrs.rs +++ b/compiler/rustc_feature/src/builtin_attrs.rs @@ -60,7 +60,6 @@ pub enum AttributeType { } #[derive(Copy, Clone, PartialEq, Debug)] -#[allow(dead_code)] pub enum AttributeSafety { /// Normal attribute that does not need `#[unsafe(...)]` Normal, From 5a23111b77924ef5f1b1472eae0b6fe6d76547ac Mon Sep 17 00:00:00 2001 From: Sunshine Date: Fri, 7 Jun 2024 09:36:43 +0800 Subject: [PATCH 1123/1716] Follow ESLint instructions. --- src/librustdoc/html/static/js/search.js | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/src/librustdoc/html/static/js/search.js b/src/librustdoc/html/static/js/search.js index f4b81e4b7eef..e5a1f9d1be0e 100644 --- a/src/librustdoc/html/static/js/search.js +++ b/src/librustdoc/html/static/js/search.js @@ -625,7 +625,6 @@ function initSearch(rawSearchIndex) { * @return {integer} */ function getIdentEndPosition(parserState) { - const start = parserState.pos; let afterIdent = consumeIdent(parserState); let end = parserState.pos; let macroExclamation = -1; @@ -2167,7 +2166,7 @@ function initSearch(rawSearchIndex) { }; const [crateDescs, descs] = await Promise.all([ Promise.all(crateAliases.map(fetchDesc)), - Promise.all(aliases.map(fetchDesc)) + Promise.all(aliases.map(fetchDesc)), ]); const pushFunc = alias => { @@ -2183,9 +2182,13 @@ function initSearch(rawSearchIndex) { } }; - aliases.forEach((alias, i) => alias.desc = descs[i]); + aliases.forEach((alias, i) => { + alias.desc = descs[i]; + }); aliases.forEach(pushFunc); - crateAliases.forEach((alias, i) => alias.desc = crateDescs[i]); + crateAliases.forEach((alias, i) => { + alias.desc = crateDescs[i]; + }); crateAliases.forEach(pushFunc); } From f83cdbd2e0f6ce2a10f1475b16ada9fff5c094d4 Mon Sep 17 00:00:00 2001 From: carbotaniuman <41451839+carbotaniuman@users.noreply.github.com> Date: Thu, 6 Jun 2024 20:42:20 -0500 Subject: [PATCH 1124/1716] Fix ordering --- compiler/rustc_feature/src/unstable.rs | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/compiler/rustc_feature/src/unstable.rs b/compiler/rustc_feature/src/unstable.rs index 4688624f310b..d67422849d8a 100644 --- a/compiler/rustc_feature/src/unstable.rs +++ b/compiler/rustc_feature/src/unstable.rs @@ -620,10 +620,10 @@ declare_features! ( (unstable, type_changing_struct_update, "1.58.0", Some(86555)), /// Allows unnamed fields of struct and union type (incomplete, unnamed_fields, "1.74.0", Some(49804)), - /// Allows unsafe on extern declarations and safety qualifiers over internal items. - (unstable, unsafe_extern_blocks, "CURRENT_RUSTC_VERSION", Some(123743)), /// Allows unsafe attributes. (unstable, unsafe_attributes, "CURRENT_RUSTC_VERSION", Some(123757)), + /// Allows unsafe on extern declarations and safety qualifiers over internal items. + (unstable, unsafe_extern_blocks, "CURRENT_RUSTC_VERSION", Some(123743)), /// Allows unsized fn parameters. (unstable, unsized_fn_params, "1.49.0", Some(48055)), /// Allows unsized rvalues at arguments and parameters. From f9104f0dfb531581aa96b19b333835351a566b04 Mon Sep 17 00:00:00 2001 From: carbotaniuman <41451839+carbotaniuman@users.noreply.github.com> Date: Thu, 6 Jun 2024 20:54:51 -0500 Subject: [PATCH 1125/1716] Handle safe case --- compiler/rustc_builtin_macros/src/derive.rs | 1 + 1 file changed, 1 insertion(+) diff --git a/compiler/rustc_builtin_macros/src/derive.rs b/compiler/rustc_builtin_macros/src/derive.rs index eed7fea11c19..b5cbfdf0ec6e 100644 --- a/compiler/rustc_builtin_macros/src/derive.rs +++ b/compiler/rustc_builtin_macros/src/derive.rs @@ -167,5 +167,6 @@ fn report_unsafe_args(sess: &Session, meta: &ast::MetaItem) { sess.dcx().emit_err(errors::DeriveUnsafePath { span }); } Safety::Default => {} + Safety::Safe(_) => unreachable!(), } } From ceaa42b81785e58b2ddbd1826d4f0d97143f13ca Mon Sep 17 00:00:00 2001 From: Sunshine Date: Fri, 7 Jun 2024 11:42:17 +0800 Subject: [PATCH 1126/1716] Update tests --- src/librustdoc/html/static/js/search.js | 5 +++-- tests/rustdoc-js-std/parser-errors.js | 23 +++++++++++++++------- tests/rustdoc-js/non-english-identifier.js | 2 +- 3 files changed, 20 insertions(+), 10 deletions(-) diff --git a/src/librustdoc/html/static/js/search.js b/src/librustdoc/html/static/js/search.js index e5a1f9d1be0e..8ac4b53673f4 100644 --- a/src/librustdoc/html/static/js/search.js +++ b/src/librustdoc/html/static/js/search.js @@ -671,9 +671,10 @@ function initSearch(rawSearchIndex) { ) { break; } else if (parserState.pos > 0) { - throw ["Unexpected ", c, " after ", parserState.userQuery[parserState.pos - 1]]; + throw ["Unexpected ", c, " after ", parserState.userQuery[parserState.pos - 1], + " (not a valid identifier)"]; } else { - throw ["Unexpected ", c]; + throw ["Unexpected ", c, " (not a valid identifier)"]; } parserState.pos += 1; afterIdent = consumeIdent(parserState); diff --git a/tests/rustdoc-js-std/parser-errors.js b/tests/rustdoc-js-std/parser-errors.js index ffd169812b63..c4d7c2b0b859 100644 --- a/tests/rustdoc-js-std/parser-errors.js +++ b/tests/rustdoc-js-std/parser-errors.js @@ -24,7 +24,7 @@ const PARSED = [ original: "-> *", returned: [], userQuery: "-> *", - error: "Unexpected `*` after ` `", + error: "Unexpected `*` after ` ` (not a valid identifier)", }, { query: 'a<"P">', @@ -204,16 +204,25 @@ const PARSED = [ original: "_:", returned: [], userQuery: "_:", - error: "Unexpected `:` (expected path after type filter `_:`)", + error: "Unexpected `_` (not a valid identifier)", }, { - query: "_:a", + query: "ab:", elems: [], foundElems: 0, - original: "_:a", + original: "ab:", returned: [], - userQuery: "_:a", - error: "Unknown type filter `_`", + userQuery: "ab:", + error: "Unexpected `:` (expected path after type filter `ab:`)", + }, + { + query: "a:b", + elems: [], + foundElems: 0, + original: "a:b", + returned: [], + userQuery: "a:b", + error: "Unknown type filter `a`", }, { query: "a-bb", @@ -240,7 +249,7 @@ const PARSED = [ original: "ab'", returned: [], userQuery: "ab'", - error: "Unexpected `'` after `b`", + error: "Unexpected `'` after `b` (not a valid identifier)", }, { query: "a->", diff --git a/tests/rustdoc-js/non-english-identifier.js b/tests/rustdoc-js/non-english-identifier.js index 84209aa04c02..1765a69152a8 100644 --- a/tests/rustdoc-js/non-english-identifier.js +++ b/tests/rustdoc-js/non-english-identifier.js @@ -105,7 +105,7 @@ const PARSED = [ original: "非法符号——", returned: [], userQuery: "非法符号——", - error: "Unexpected `—` after `号`", + error: "Unexpected `—` after `号` (not a valid identifier)", } ] const EXPECTED = [ From 14f65cbeeaa34a41de69cb26a917ae9ec6e870f2 Mon Sep 17 00:00:00 2001 From: The Miri Cronjob Bot Date: Fri, 7 Jun 2024 04:56:19 +0000 Subject: [PATCH 1127/1716] Preparing for merge from rustc --- src/tools/miri/rust-version | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/miri/rust-version b/src/tools/miri/rust-version index 5032f225227a..8d038c0f7882 100644 --- a/src/tools/miri/rust-version +++ b/src/tools/miri/rust-version @@ -1 +1 @@ -a330e49593ee890f9197727a3a558b6e6b37f843 +76e7a0849c07d73e4d9afde8036ee8c450127cc8 From 49c2a1dda9e1735f2520c79c2059a5856d2e061d Mon Sep 17 00:00:00 2001 From: Jubilee Young Date: Thu, 6 Jun 2024 22:50:28 -0700 Subject: [PATCH 1128/1716] Update backtrace to 0.3.73 --- Cargo.lock | 17 +++++++++++++---- library/backtrace | 2 +- library/std/Cargo.toml | 4 ++-- 3 files changed, 16 insertions(+), 7 deletions(-) diff --git a/Cargo.lock b/Cargo.lock index 0e950e288072..5202a763afba 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -2652,14 +2652,11 @@ version = "0.32.2" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "a6a622008b6e321afc04970976f62ee297fdbaa6f95318ca343e3eebb9648441" dependencies = [ - "compiler_builtins", "crc32fast", "flate2", "hashbrown", "indexmap", "memchr", - "rustc-std-workspace-alloc", - "rustc-std-workspace-core", "ruzstd 0.5.0", "wasmparser", ] @@ -2675,6 +2672,18 @@ dependencies = [ "ruzstd 0.6.0", ] +[[package]] +name = "object" +version = "0.36.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "576dfe1fc8f9df304abb159d767a29d0476f7750fbf8aa7ad07816004a207434" +dependencies = [ + "compiler_builtins", + "memchr", + "rustc-std-workspace-alloc", + "rustc-std-workspace-core", +] + [[package]] name = "odht" version = "0.3.1" @@ -5356,7 +5365,7 @@ dependencies = [ "hermit-abi", "libc", "miniz_oxide", - "object 0.32.2", + "object 0.36.0", "panic_abort", "panic_unwind", "profiler_builtins", diff --git a/library/backtrace b/library/backtrace index 5e05efa87905..72265bea2108 160000 --- a/library/backtrace +++ b/library/backtrace @@ -1 +1 @@ -Subproject commit 5e05efa87905fb5b351a2bc5644d60c57d6d9327 +Subproject commit 72265bea210891ae47bbe6d4f17b493ef0606619 diff --git a/library/std/Cargo.toml b/library/std/Cargo.toml index 79a504c5a5e2..68bba5c2be11 100644 --- a/library/std/Cargo.toml +++ b/library/std/Cargo.toml @@ -34,10 +34,10 @@ addr2line = { version = "0.22.0", optional = true, default-features = false } libc = { version = "0.2.153", default-features = false, features = ['rustc-dep-of-std'], public = true } [target.'cfg(all(not(target_os = "aix"), not(all(windows, target_env = "msvc", not(target_vendor = "uwp")))))'.dependencies] -object = { version = "0.32.0", default-features = false, optional = true, features = ['read_core', 'elf', 'macho', 'pe', 'unaligned', 'archive'] } +object = { version = "0.36.0", default-features = false, optional = true, features = ['read_core', 'elf', 'macho', 'pe', 'unaligned', 'archive'] } [target.'cfg(target_os = "aix")'.dependencies] -object = { version = "0.32.0", default-features = false, optional = true, features = ['read_core', 'xcoff', 'unaligned', 'archive'] } +object = { version = "0.36.0", default-features = false, optional = true, features = ['read_core', 'xcoff', 'unaligned', 'archive'] } [dev-dependencies] rand = { version = "0.8.5", default-features = false, features = ["alloc"] } From 58ba77f4aa46ca94f643eebe8f61a44f56c8abd5 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Fri, 7 Jun 2024 15:55:08 +1000 Subject: [PATCH 1129/1716] compiletest: Don't pass `--out-dir` if the compile flags include `-o` --- src/tools/compiletest/src/runtest.rs | 3 +++ tests/ui/io-checks/non-ice-error-on-worker-io-fail.stderr | 4 +--- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs index 2c425a07b2ac..a7511a6f457d 100644 --- a/src/tools/compiletest/src/runtest.rs +++ b/src/tools/compiletest/src/runtest.rs @@ -2254,6 +2254,9 @@ impl<'test> TestCx<'test> { } match output_file { + // If the test's compile flags specify an output path with `-o`, + // avoid a compiler warning about `--out-dir` being ignored. + _ if self.props.compile_flags.iter().any(|flag| flag == "-o") => {} TargetLocation::ThisFile(path) => { rustc.arg("-o").arg(path); } diff --git a/tests/ui/io-checks/non-ice-error-on-worker-io-fail.stderr b/tests/ui/io-checks/non-ice-error-on-worker-io-fail.stderr index 5775a4032c39..48cae82feb03 100644 --- a/tests/ui/io-checks/non-ice-error-on-worker-io-fail.stderr +++ b/tests/ui/io-checks/non-ice-error-on-worker-io-fail.stderr @@ -1,6 +1,4 @@ -warning: ignoring --out-dir flag due to -o flag - error: io error modifying ./does-not-exist/ -error: aborting due to 1 previous error; 1 warning emitted +error: aborting due to 1 previous error From 7eff2d9b2268eff7289ed969fa158c83e1077026 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Fri, 7 Jun 2024 09:20:25 +0200 Subject: [PATCH 1130/1716] Do not pass source root when building run-make tests --- src/tools/compiletest/src/runtest.rs | 1 - tests/run-make/CURRENT_RUSTC_VERSION/rmake.rs | 4 ++-- 2 files changed, 2 insertions(+), 3 deletions(-) diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs index 2c425a07b2ac..db08d9b54ba2 100644 --- a/src/tools/compiletest/src/runtest.rs +++ b/src/tools/compiletest/src/runtest.rs @@ -3515,7 +3515,6 @@ impl<'test> TestCx<'test> { .arg(&self.testpaths.file.join("rmake.rs")) .env("TARGET", &self.config.target) .env("PYTHON", &self.config.python) - .env("S", &src_root) .env("RUST_BUILD_STAGE", &self.config.stage_id) .env("RUSTC", cwd.join(&self.config.rustc_path)) .env("TMPDIR", &rmake_out_dir) diff --git a/tests/run-make/CURRENT_RUSTC_VERSION/rmake.rs b/tests/run-make/CURRENT_RUSTC_VERSION/rmake.rs index 1bdb63475712..827a1b7ce67d 100644 --- a/tests/run-make/CURRENT_RUSTC_VERSION/rmake.rs +++ b/tests/run-make/CURRENT_RUSTC_VERSION/rmake.rs @@ -5,7 +5,7 @@ use std::path::PathBuf; -use run_make_support::{aux_build, rustc}; +use run_make_support::{aux_build, rustc, source_root}; fn main() { aux_build().input("stable.rs").emit("metadata").run(); @@ -17,7 +17,7 @@ fn main() { rustc().input("main.rs").emit("metadata").extern_("stable", &stable_path).command_output(); let stderr = String::from_utf8_lossy(&output.stderr); - let version = include_str!(concat!(env!("S"), "/src/version")); + let version = std::fs::read_to_string(source_root().join("src/version")).unwrap(); let expected_string = format!("stable since {}", version.trim()); assert!(stderr.contains(&expected_string)); } From eac63b77257d69d2a89a50f165ac58971689a31d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Fri, 7 Jun 2024 09:20:58 +0200 Subject: [PATCH 1131/1716] Rename `S` environment variable to `SOURCE_ROOT` in run-make tests --- src/tools/compiletest/src/runtest.rs | 2 +- src/tools/run-make-support/src/lib.rs | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs index db08d9b54ba2..41972b6994c6 100644 --- a/src/tools/compiletest/src/runtest.rs +++ b/src/tools/compiletest/src/runtest.rs @@ -3566,7 +3566,7 @@ impl<'test> TestCx<'test> { .env(dylib_env_var(), &dylib_env_paths) .env("TARGET", &self.config.target) .env("PYTHON", &self.config.python) - .env("S", &src_root) + .env("SOURCE_ROOT", &src_root) .env("RUST_BUILD_STAGE", &self.config.stage_id) .env("RUSTC", cwd.join(&self.config.rustc_path)) .env("TMPDIR", &rmake_out_dir) diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index d74a0272a627..0f9d5a3b6c36 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -89,7 +89,7 @@ pub fn htmldocck() -> Command { /// Path to the root rust-lang/rust source checkout. pub fn source_root() -> PathBuf { - env_var("S").into() + env_var("SOURCE_ROOT").into() } /// Construct the static library name based on the platform. From 92c54db22f3ee0ef13be629b55607c23ed305f3b Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Mon, 3 Jun 2024 08:38:40 +0000 Subject: [PATCH 1132/1716] Revert "Cache whether a body has inline consts" This reverts commit eae5031ecbda434e92966099e0dc93917de03eff. --- compiler/rustc_ast_lowering/src/expr.rs | 5 +---- compiler/rustc_ast_lowering/src/lib.rs | 8 +------- compiler/rustc_hir/src/hir.rs | 3 --- compiler/rustc_hir/src/stable_hash_impls.rs | 3 +-- compiler/rustc_middle/src/ty/context.rs | 1 - compiler/rustc_mir_transform/src/lib.rs | 6 +----- 6 files changed, 4 insertions(+), 22 deletions(-) diff --git a/compiler/rustc_ast_lowering/src/expr.rs b/compiler/rustc_ast_lowering/src/expr.rs index eb206a09be31..c0a424115aad 100644 --- a/compiler/rustc_ast_lowering/src/expr.rs +++ b/compiler/rustc_ast_lowering/src/expr.rs @@ -74,10 +74,7 @@ impl<'hir> LoweringContext<'_, 'hir> { let kind = match &e.kind { ExprKind::Array(exprs) => hir::ExprKind::Array(self.lower_exprs(exprs)), - ExprKind::ConstBlock(c) => { - self.has_inline_consts = true; - hir::ExprKind::ConstBlock(self.lower_expr(c)) - } + ExprKind::ConstBlock(c) => hir::ExprKind::ConstBlock(self.lower_expr(c)), ExprKind::Repeat(expr, count) => { let expr = self.lower_expr(expr); let count = self.lower_array_length(count); diff --git a/compiler/rustc_ast_lowering/src/lib.rs b/compiler/rustc_ast_lowering/src/lib.rs index 023dc6d52c3e..cd8afd076bbe 100644 --- a/compiler/rustc_ast_lowering/src/lib.rs +++ b/compiler/rustc_ast_lowering/src/lib.rs @@ -96,8 +96,6 @@ struct LoweringContext<'a, 'hir> { /// Bodies inside the owner being lowered. bodies: Vec<(hir::ItemLocalId, &'hir hir::Body<'hir>)>, - /// Whether there were inline consts that typeck will split out into bodies - has_inline_consts: bool, /// Attributes inside the owner being lowered. attrs: SortedMap, /// Collect items that were created by lowering the current owner. @@ -160,7 +158,6 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { item_local_id_counter: hir::ItemLocalId::ZERO, node_id_to_local_id: Default::default(), trait_map: Default::default(), - has_inline_consts: false, // Lowering state. catch_scope: None, @@ -570,7 +567,6 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { let current_attrs = std::mem::take(&mut self.attrs); let current_bodies = std::mem::take(&mut self.bodies); - let current_has_inline_consts = std::mem::take(&mut self.has_inline_consts); let current_node_ids = std::mem::take(&mut self.node_id_to_local_id); let current_trait_map = std::mem::take(&mut self.trait_map); let current_owner = @@ -597,7 +593,6 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { self.attrs = current_attrs; self.bodies = current_bodies; - self.has_inline_consts = current_has_inline_consts; self.node_id_to_local_id = current_node_ids; self.trait_map = current_trait_map; self.current_hir_id_owner = current_owner; @@ -634,7 +629,6 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { let attrs = std::mem::take(&mut self.attrs); let mut bodies = std::mem::take(&mut self.bodies); let trait_map = std::mem::take(&mut self.trait_map); - let has_inline_consts = std::mem::take(&mut self.has_inline_consts); #[cfg(debug_assertions)] for (id, attrs) in attrs.iter() { @@ -652,7 +646,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { self.tcx.hash_owner_nodes(node, &bodies, &attrs); let num_nodes = self.item_local_id_counter.as_usize(); let (nodes, parenting) = index::index_hir(self.tcx, node, &bodies, num_nodes); - let nodes = hir::OwnerNodes { opt_hash_including_bodies, nodes, bodies, has_inline_consts }; + let nodes = hir::OwnerNodes { opt_hash_including_bodies, nodes, bodies }; let attrs = hir::AttributeMap { map: attrs, opt_hash: attrs_hash }; self.arena.alloc(hir::OwnerInfo { nodes, parenting, attrs, trait_map }) diff --git a/compiler/rustc_hir/src/hir.rs b/compiler/rustc_hir/src/hir.rs index 770dfcb98c91..d5f545c1c159 100644 --- a/compiler/rustc_hir/src/hir.rs +++ b/compiler/rustc_hir/src/hir.rs @@ -907,9 +907,6 @@ pub struct OwnerNodes<'tcx> { pub nodes: IndexVec>, /// Content of local bodies. pub bodies: SortedMap>, - /// Whether the body contains inline constants that are created for the query system during typeck - /// of the body. - pub has_inline_consts: bool, } impl<'tcx> OwnerNodes<'tcx> { diff --git a/compiler/rustc_hir/src/stable_hash_impls.rs b/compiler/rustc_hir/src/stable_hash_impls.rs index 1ebd4b80e183..baa1635f7313 100644 --- a/compiler/rustc_hir/src/stable_hash_impls.rs +++ b/compiler/rustc_hir/src/stable_hash_impls.rs @@ -93,8 +93,7 @@ impl<'tcx, HirCtx: crate::HashStableContext> HashStable for OwnerNodes<' // `local_id_to_def_id` is also ignored because is dependent on the body, then just hashing // the body satisfies the condition of two nodes being different have different // `hash_stable` results. - let OwnerNodes { opt_hash_including_bodies, nodes: _, bodies: _, has_inline_consts: _ } = - *self; + let OwnerNodes { opt_hash_including_bodies, nodes: _, bodies: _ } = *self; opt_hash_including_bodies.unwrap().hash_stable(hcx, hasher); } } diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index 6b35b1f2d13c..20b3d4822e2f 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -740,7 +740,6 @@ impl<'tcx> TyCtxtFeed<'tcx, LocalDefId> { 1, ), bodies, - has_inline_consts: false, }))); self.feed_owner_id().hir_attrs(attrs); } diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs index a8741254ffbf..b66e3d66f4d3 100644 --- a/compiler/rustc_mir_transform/src/lib.rs +++ b/compiler/rustc_mir_transform/src/lib.rs @@ -225,11 +225,7 @@ fn mir_keys(tcx: TyCtxt<'_>, (): ()) -> FxIndexSet { // Inline consts' bodies are created in // typeck instead of during ast lowering, like all other bodies so far. for def_id in tcx.hir().body_owners() { - // Incremental performance optimization: only load typeck results for things that actually have inline consts - if tcx.hir_owner_nodes(tcx.hir().body_owned_by(def_id).id().hir_id.owner).has_inline_consts - { - set.extend(tcx.typeck(def_id).inline_consts.values()) - } + set.extend(tcx.typeck(def_id).inline_consts.values()) } // Additionally, tuple struct/variant constructors have MIR, but From cbee17d5025c7824828c793ac776ad6e1addbeac Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Mon, 3 Jun 2024 09:11:58 +0000 Subject: [PATCH 1133/1716] Revert "Create const block DefIds in typeck instead of ast lowering" This reverts commit ddc5f9b6c1f21da5d4596bf7980185a00984ac42. --- compiler/rustc_ast/src/ast.rs | 2 +- compiler/rustc_ast/src/mut_visit.rs | 2 +- compiler/rustc_ast/src/visit.rs | 2 +- compiler/rustc_ast_lowering/src/expr.rs | 9 +++- compiler/rustc_ast_lowering/src/index.rs | 8 ++++ .../rustc_ast_pretty/src/pprust/state/expr.rs | 5 +-- .../src/const_eval/fn_queries.rs | 2 +- compiler/rustc_hir/src/hir.rs | 14 ++++++- compiler/rustc_hir/src/intravisit.rs | 13 +++++- .../rustc_hir_analysis/src/check/region.rs | 7 +--- .../src/collect/generics_of.rs | 10 ++--- .../rustc_hir_analysis/src/collect/type_of.rs | 3 +- compiler/rustc_hir_analysis/src/lib.rs | 8 ++-- compiler/rustc_hir_pretty/src/lib.rs | 5 ++- compiler/rustc_hir_typeck/src/expr.rs | 21 +++++++++- .../src/fn_ctxt/suggestions.rs | 4 -- compiler/rustc_hir_typeck/src/upvar.rs | 4 ++ compiler/rustc_hir_typeck/src/writeback.rs | 13 +++--- compiler/rustc_middle/src/hir/map/mod.rs | 42 ++++++------------- .../rustc_middle/src/ty/typeck_results.rs | 5 --- compiler/rustc_mir_build/src/build/mod.rs | 7 +++- compiler/rustc_mir_build/src/thir/cx/expr.rs | 6 +-- compiler/rustc_mir_build/src/thir/cx/mod.rs | 2 +- .../rustc_mir_build/src/thir/pattern/mod.rs | 8 ++-- compiler/rustc_mir_transform/src/lib.rs | 6 --- compiler/rustc_parse/src/parser/mod.rs | 13 +++--- compiler/rustc_passes/src/check_const.rs | 10 ++--- compiler/rustc_passes/src/dead.rs | 21 +++++----- compiler/rustc_passes/src/liveness.rs | 8 +--- compiler/rustc_passes/src/loops.rs | 7 ++-- compiler/rustc_resolve/src/def_collector.rs | 10 +++++ compiler/rustc_resolve/src/late.rs | 6 +-- src/tools/clippy/clippy_utils/src/consts.rs | 6 +-- .../clippy/clippy_utils/src/hir_utils.rs | 6 +-- .../tests/ui/arithmetic_side_effects.stderr | 32 ++------------ .../custom/consts.consts.built.after.mir | 2 +- tests/pretty/stmt_expr_attributes.rs | 7 +++- tests/ui/lint/non-local-defs/consts.stderr | 19 +++++---- tests/ui/unpretty/expanded-exhaustive.stdout | 3 +- 39 files changed, 190 insertions(+), 168 deletions(-) diff --git a/compiler/rustc_ast/src/ast.rs b/compiler/rustc_ast/src/ast.rs index 910fbb876974..b5a59442f14a 100644 --- a/compiler/rustc_ast/src/ast.rs +++ b/compiler/rustc_ast/src/ast.rs @@ -1392,7 +1392,7 @@ pub enum ExprKind { /// An array (e.g, `[a, b, c, d]`). Array(ThinVec>), /// Allow anonymous constants from an inline `const` block - ConstBlock(P), + ConstBlock(AnonConst), /// A function call /// /// The first field resolves to the function itself, diff --git a/compiler/rustc_ast/src/mut_visit.rs b/compiler/rustc_ast/src/mut_visit.rs index a04c648ac731..635535a1125d 100644 --- a/compiler/rustc_ast/src/mut_visit.rs +++ b/compiler/rustc_ast/src/mut_visit.rs @@ -1417,7 +1417,7 @@ pub fn noop_visit_expr( match kind { ExprKind::Array(exprs) => visit_thin_exprs(exprs, vis), ExprKind::ConstBlock(anon_const) => { - vis.visit_expr(anon_const); + vis.visit_anon_const(anon_const); } ExprKind::Repeat(expr, count) => { vis.visit_expr(expr); diff --git a/compiler/rustc_ast/src/visit.rs b/compiler/rustc_ast/src/visit.rs index de285aed1656..fa97c8db3267 100644 --- a/compiler/rustc_ast/src/visit.rs +++ b/compiler/rustc_ast/src/visit.rs @@ -959,7 +959,7 @@ pub fn walk_expr<'a, V: Visitor<'a>>(visitor: &mut V, expression: &'a Expr) -> V ExprKind::Array(subexpressions) => { walk_list!(visitor, visit_expr, subexpressions); } - ExprKind::ConstBlock(anon_const) => try_visit!(visitor.visit_expr(anon_const)), + ExprKind::ConstBlock(anon_const) => try_visit!(visitor.visit_anon_const(anon_const)), ExprKind::Repeat(element, count) => { try_visit!(visitor.visit_expr(element)); try_visit!(visitor.visit_anon_const(count)); diff --git a/compiler/rustc_ast_lowering/src/expr.rs b/compiler/rustc_ast_lowering/src/expr.rs index c0a424115aad..a55310909284 100644 --- a/compiler/rustc_ast_lowering/src/expr.rs +++ b/compiler/rustc_ast_lowering/src/expr.rs @@ -74,7 +74,14 @@ impl<'hir> LoweringContext<'_, 'hir> { let kind = match &e.kind { ExprKind::Array(exprs) => hir::ExprKind::Array(self.lower_exprs(exprs)), - ExprKind::ConstBlock(c) => hir::ExprKind::ConstBlock(self.lower_expr(c)), + ExprKind::ConstBlock(c) => { + let c = self.with_new_scopes(c.value.span, |this| hir::ConstBlock { + def_id: this.local_def_id(c.id), + hir_id: this.lower_node_id(c.id), + body: this.lower_const_body(c.value.span, Some(&c.value)), + }); + hir::ExprKind::ConstBlock(c) + } ExprKind::Repeat(expr, count) => { let expr = self.lower_expr(expr); let count = self.lower_array_length(count); diff --git a/compiler/rustc_ast_lowering/src/index.rs b/compiler/rustc_ast_lowering/src/index.rs index 741a44eb0c52..44f37b5533a6 100644 --- a/compiler/rustc_ast_lowering/src/index.rs +++ b/compiler/rustc_ast_lowering/src/index.rs @@ -236,6 +236,14 @@ impl<'a, 'hir> Visitor<'hir> for NodeCollector<'a, 'hir> { }); } + fn visit_inline_const(&mut self, constant: &'hir ConstBlock) { + self.insert(DUMMY_SP, constant.hir_id, Node::ConstBlock(constant)); + + self.with_parent(constant.hir_id, |this| { + intravisit::walk_inline_const(this, constant); + }); + } + fn visit_expr(&mut self, expr: &'hir Expr<'hir>) { self.insert(expr.span, expr.hir_id, Node::Expr(expr)); diff --git a/compiler/rustc_ast_pretty/src/pprust/state/expr.rs b/compiler/rustc_ast_pretty/src/pprust/state/expr.rs index 993ccc5b9560..1e117c46b6e2 100644 --- a/compiler/rustc_ast_pretty/src/pprust/state/expr.rs +++ b/compiler/rustc_ast_pretty/src/pprust/state/expr.rs @@ -380,9 +380,8 @@ impl<'a> State<'a> { ast::ExprKind::Array(exprs) => { self.print_expr_vec(exprs); } - ast::ExprKind::ConstBlock(expr) => { - self.word_space("const"); - self.print_expr(expr, FixupContext::default()); + ast::ExprKind::ConstBlock(anon_const) => { + self.print_expr_anon_const(anon_const, attrs); } ast::ExprKind::Repeat(element, count) => { self.print_expr_repeat(element, count); diff --git a/compiler/rustc_const_eval/src/const_eval/fn_queries.rs b/compiler/rustc_const_eval/src/const_eval/fn_queries.rs index 3c11d67e7489..8c66888d1007 100644 --- a/compiler/rustc_const_eval/src/const_eval/fn_queries.rs +++ b/compiler/rustc_const_eval/src/const_eval/fn_queries.rs @@ -38,6 +38,7 @@ fn constness(tcx: TyCtxt<'_>, def_id: LocalDefId) -> hir::Constness { match node { hir::Node::Ctor(_) | hir::Node::AnonConst(_) + | hir::Node::ConstBlock(_) | hir::Node::ImplItem(hir::ImplItem { kind: hir::ImplItemKind::Const(..), .. }) => { hir::Constness::Const } @@ -56,7 +57,6 @@ fn constness(tcx: TyCtxt<'_>, def_id: LocalDefId) -> hir::Constness { if is_const { hir::Constness::Const } else { hir::Constness::NotConst } } hir::Node::Expr(e) if let hir::ExprKind::Closure(c) = e.kind => c.constness, - hir::Node::Expr(e) if let hir::ExprKind::ConstBlock(_) = e.kind => hir::Constness::Const, _ => { if let Some(fn_kind) = node.fn_kind() { if fn_kind.constness() == hir::Constness::Const { diff --git a/compiler/rustc_hir/src/hir.rs b/compiler/rustc_hir/src/hir.rs index d5f545c1c159..1570f8d5990e 100644 --- a/compiler/rustc_hir/src/hir.rs +++ b/compiler/rustc_hir/src/hir.rs @@ -1623,6 +1623,14 @@ pub struct AnonConst { pub span: Span, } +/// An inline constant expression `const { something }`. +#[derive(Copy, Clone, Debug, HashStable_Generic)] +pub struct ConstBlock { + pub hir_id: HirId, + pub def_id: LocalDefId, + pub body: BodyId, +} + /// An expression. #[derive(Debug, Clone, Copy, HashStable_Generic)] pub struct Expr<'hir> { @@ -1909,7 +1917,7 @@ pub fn is_range_literal(expr: &Expr<'_>) -> bool { #[derive(Debug, Clone, Copy, HashStable_Generic)] pub enum ExprKind<'hir> { /// Allow anonymous constants from an inline `const` block - ConstBlock(&'hir Expr<'hir>), + ConstBlock(ConstBlock), /// An array (e.g., `[a, b, c, d]`). Array(&'hir [Expr<'hir>]), /// A function call. @@ -3641,6 +3649,7 @@ pub enum Node<'hir> { Variant(&'hir Variant<'hir>), Field(&'hir FieldDef<'hir>), AnonConst(&'hir AnonConst), + ConstBlock(&'hir ConstBlock), Expr(&'hir Expr<'hir>), ExprField(&'hir ExprField<'hir>), Stmt(&'hir Stmt<'hir>), @@ -3701,6 +3710,7 @@ impl<'hir> Node<'hir> { Node::PreciseCapturingNonLifetimeArg(a) => Some(a.ident), Node::Param(..) | Node::AnonConst(..) + | Node::ConstBlock(..) | Node::Expr(..) | Node::Stmt(..) | Node::Block(..) @@ -3798,6 +3808,7 @@ impl<'hir> Node<'hir> { } Node::AnonConst(constant) => Some((constant.def_id, constant.body)), + Node::ConstBlock(constant) => Some((constant.def_id, constant.body)), _ => None, } @@ -3866,6 +3877,7 @@ impl<'hir> Node<'hir> { expect_variant, &'hir Variant<'hir>, Node::Variant(n), n; expect_field, &'hir FieldDef<'hir>, Node::Field(n), n; expect_anon_const, &'hir AnonConst, Node::AnonConst(n), n; + expect_inline_const, &'hir ConstBlock, Node::ConstBlock(n), n; expect_expr, &'hir Expr<'hir>, Node::Expr(n), n; expect_expr_field, &'hir ExprField<'hir>, Node::ExprField(n), n; expect_stmt, &'hir Stmt<'hir>, Node::Stmt(n), n; diff --git a/compiler/rustc_hir/src/intravisit.rs b/compiler/rustc_hir/src/intravisit.rs index e37473df956d..5a16f266dab3 100644 --- a/compiler/rustc_hir/src/intravisit.rs +++ b/compiler/rustc_hir/src/intravisit.rs @@ -344,6 +344,9 @@ pub trait Visitor<'v>: Sized { fn visit_anon_const(&mut self, c: &'v AnonConst) -> Self::Result { walk_anon_const(self, c) } + fn visit_inline_const(&mut self, c: &'v ConstBlock) -> Self::Result { + walk_inline_const(self, c) + } fn visit_expr(&mut self, ex: &'v Expr<'v>) -> Self::Result { walk_expr(self, ex) } @@ -718,6 +721,14 @@ pub fn walk_anon_const<'v, V: Visitor<'v>>(visitor: &mut V, constant: &'v AnonCo visitor.visit_nested_body(constant.body) } +pub fn walk_inline_const<'v, V: Visitor<'v>>( + visitor: &mut V, + constant: &'v ConstBlock, +) -> V::Result { + try_visit!(visitor.visit_id(constant.hir_id)); + visitor.visit_nested_body(constant.body) +} + pub fn walk_expr<'v, V: Visitor<'v>>(visitor: &mut V, expression: &'v Expr<'v>) -> V::Result { try_visit!(visitor.visit_id(expression.hir_id)); match expression.kind { @@ -725,7 +736,7 @@ pub fn walk_expr<'v, V: Visitor<'v>>(visitor: &mut V, expression: &'v Expr<'v>) walk_list!(visitor, visit_expr, subexpressions); } ExprKind::ConstBlock(ref const_block) => { - try_visit!(visitor.visit_expr(const_block)) + try_visit!(visitor.visit_inline_const(const_block)) } ExprKind::Repeat(ref element, ref count) => { try_visit!(visitor.visit_expr(element)); diff --git a/compiler/rustc_hir_analysis/src/check/region.rs b/compiler/rustc_hir_analysis/src/check/region.rs index 30b03b43872a..72e431926ca3 100644 --- a/compiler/rustc_hir_analysis/src/check/region.rs +++ b/compiler/rustc_hir_analysis/src/check/region.rs @@ -407,14 +407,11 @@ fn resolve_expr<'tcx>(visitor: &mut RegionResolutionVisitor<'tcx>, expr: &'tcx h match expr.kind { // Manually recurse over closures and inline consts, because they are the only // case of nested bodies that share the parent environment. - hir::ExprKind::Closure(&hir::Closure { body, .. }) => { + hir::ExprKind::Closure(&hir::Closure { body, .. }) + | hir::ExprKind::ConstBlock(hir::ConstBlock { body, .. }) => { let body = visitor.tcx.hir().body(body); visitor.visit_body(body); } - hir::ExprKind::ConstBlock(expr) => visitor.enter_body(expr.hir_id, |this| { - this.cx.var_parent = None; - resolve_local(this, None, Some(expr)); - }), hir::ExprKind::AssignOp(_, left_expr, right_expr) => { debug!( "resolve_expr - enabling pessimistic_yield, was previously {}", diff --git a/compiler/rustc_hir_analysis/src/collect/generics_of.rs b/compiler/rustc_hir_analysis/src/collect/generics_of.rs index 9af959681fbf..abdf85ad707b 100644 --- a/compiler/rustc_hir_analysis/src/collect/generics_of.rs +++ b/compiler/rustc_hir_analysis/src/collect/generics_of.rs @@ -177,10 +177,10 @@ pub(super) fn generics_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::Generics { } } } - Node::Expr(&hir::Expr { - kind: hir::ExprKind::Closure { .. } | hir::ExprKind::ConstBlock { .. }, - .. - }) => Some(tcx.typeck_root_def_id(def_id.to_def_id())), + Node::ConstBlock(_) + | Node::Expr(&hir::Expr { kind: hir::ExprKind::Closure { .. }, .. }) => { + Some(tcx.typeck_root_def_id(def_id.to_def_id())) + } Node::Item(item) => match item.kind { ItemKind::OpaqueTy(&hir::OpaqueTy { origin: @@ -415,7 +415,7 @@ pub(super) fn generics_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::Generics { } // provide junk type parameter defs for const blocks. - if let Node::Expr(Expr { kind: ExprKind::ConstBlock(..), .. }) = node { + if let Node::ConstBlock(_) = node { own_params.push(ty::GenericParamDef { index: next_index(), name: Symbol::intern(""), diff --git a/compiler/rustc_hir_analysis/src/collect/type_of.rs b/compiler/rustc_hir_analysis/src/collect/type_of.rs index 6811f62de07b..2684467a4381 100644 --- a/compiler/rustc_hir_analysis/src/collect/type_of.rs +++ b/compiler/rustc_hir_analysis/src/collect/type_of.rs @@ -485,7 +485,8 @@ pub(super) fn type_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::EarlyBinder<'_ } Node::AnonConst(_) => anon_const_type_of(tcx, def_id), - Node::Expr(&Expr { kind: ExprKind::ConstBlock(..), .. }) => { + + Node::ConstBlock(_) => { let args = ty::GenericArgs::identity_for_item(tcx, def_id.to_def_id()); args.as_inline_const().ty() } diff --git a/compiler/rustc_hir_analysis/src/lib.rs b/compiler/rustc_hir_analysis/src/lib.rs index 65b02a2ec565..8fe81851f932 100644 --- a/compiler/rustc_hir_analysis/src/lib.rs +++ b/compiler/rustc_hir_analysis/src/lib.rs @@ -190,6 +190,10 @@ pub fn check_crate(tcx: TyCtxt<'_>) { } }); + // Freeze definitions as we don't add new ones at this point. This improves performance by + // allowing lock-free access to them. + tcx.untracked().definitions.freeze(); + // FIXME: Remove this when we implement creating `DefId`s // for anon constants during their parents' typeck. // Typeck all body owners in parallel will produce queries @@ -201,10 +205,6 @@ pub fn check_crate(tcx: TyCtxt<'_>) { } }); - // Freeze definitions as we don't add new ones at this point. This improves performance by - // allowing lock-free access to them. - tcx.untracked().definitions.freeze(); - tcx.ensure().check_unused_traits(()); } diff --git a/compiler/rustc_hir_pretty/src/lib.rs b/compiler/rustc_hir_pretty/src/lib.rs index 6983bbcb052c..6f2febd86b0f 100644 --- a/compiler/rustc_hir_pretty/src/lib.rs +++ b/compiler/rustc_hir_pretty/src/lib.rs @@ -84,6 +84,7 @@ impl<'a> State<'a> { Node::ImplItem(a) => self.print_impl_item(a), Node::Variant(a) => self.print_variant(a), Node::AnonConst(a) => self.print_anon_const(a), + Node::ConstBlock(a) => self.print_inline_const(a), Node::Expr(a) => self.print_expr(a), Node::ExprField(a) => self.print_expr_field(a), Node::Stmt(a) => self.print_stmt(a), @@ -1049,10 +1050,10 @@ impl<'a> State<'a> { self.end() } - fn print_inline_const(&mut self, constant: &hir::Expr<'_>) { + fn print_inline_const(&mut self, constant: &hir::ConstBlock) { self.ibox(INDENT_UNIT); self.word_space("const"); - self.print_expr(constant); + self.ann.nested(self, Nested::Body(constant.body)); self.end() } diff --git a/compiler/rustc_hir_typeck/src/expr.rs b/compiler/rustc_hir_typeck/src/expr.rs index 7dd7b3ff055e..811b7ab24634 100644 --- a/compiler/rustc_hir_typeck/src/expr.rs +++ b/compiler/rustc_hir_typeck/src/expr.rs @@ -31,6 +31,7 @@ use rustc_errors::{ use rustc_hir as hir; use rustc_hir::def::{CtorKind, DefKind, Res}; use rustc_hir::def_id::DefId; +use rustc_hir::intravisit::Visitor; use rustc_hir::lang_items::LangItem; use rustc_hir::{ExprKind, HirId, QPath}; use rustc_hir_analysis::hir_ty_lowering::HirTyLowerer as _; @@ -334,7 +335,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } ExprKind::DropTemps(e) => self.check_expr_with_expectation(e, expected), ExprKind::Array(args) => self.check_expr_array(args, expected, expr), - ExprKind::ConstBlock(ref block) => self.check_expr_with_expectation(block, expected), + ExprKind::ConstBlock(ref block) => self.check_expr_const_block(block, expected), ExprKind::Repeat(element, ref count) => { self.check_expr_repeat(element, count, expected, expr) } @@ -1456,6 +1457,24 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } } + fn check_expr_const_block( + &self, + block: &'tcx hir::ConstBlock, + expected: Expectation<'tcx>, + ) -> Ty<'tcx> { + let body = self.tcx.hir().body(block.body); + + // Create a new function context. + let def_id = block.def_id; + let fcx = FnCtxt::new(self, self.param_env, def_id); + crate::GatherLocalsVisitor::new(&fcx).visit_body(body); + + let ty = fcx.check_expr_with_expectation(body.value, expected); + fcx.require_type_is_sized(ty, body.value.span, ObligationCauseCode::ConstSized); + fcx.write_ty(block.hir_id, ty); + ty + } + fn check_expr_repeat( &self, element: &'tcx hir::Expr<'tcx>, diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs index caaf4142f7d1..9ab89f3444c9 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs @@ -1051,10 +1051,6 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { .take_while(|(_, node)| { // look at parents until we find the first body owner node.body_id().is_none() - && !matches!( - node, - Node::Expr(Expr { kind: ExprKind::ConstBlock { .. }, .. }) - ) }) .any(|(parent_id, _)| self.is_loop(parent_id)); diff --git a/compiler/rustc_hir_typeck/src/upvar.rs b/compiler/rustc_hir_typeck/src/upvar.rs index 4386e68ce867..466397817dae 100644 --- a/compiler/rustc_hir_typeck/src/upvar.rs +++ b/compiler/rustc_hir_typeck/src/upvar.rs @@ -149,6 +149,10 @@ impl<'a, 'tcx> Visitor<'tcx> for InferBorrowKindVisitor<'a, 'tcx> { self.visit_body(body); self.fcx.analyze_closure(expr.hir_id, expr.span, body_id, body, capture_clause); } + hir::ExprKind::ConstBlock(anon_const) => { + let body = self.fcx.tcx.hir().body(anon_const.body); + self.visit_body(body); + } _ => {} } diff --git a/compiler/rustc_hir_typeck/src/writeback.rs b/compiler/rustc_hir_typeck/src/writeback.rs index 8727c0f87dc8..b67d29fce921 100644 --- a/compiler/rustc_hir_typeck/src/writeback.rs +++ b/compiler/rustc_hir_typeck/src/writeback.rs @@ -3,7 +3,6 @@ // generic parameters. use crate::FnCtxt; -use hir::def::DefKind; use rustc_data_structures::unord::ExtendUnord; use rustc_errors::{ErrorGuaranteed, StashKey}; use rustc_hir as hir; @@ -17,7 +16,7 @@ use rustc_middle::ty::fold::{TypeFoldable, TypeFolder}; use rustc_middle::ty::visit::TypeVisitableExt; use rustc_middle::ty::TypeSuperFoldable; use rustc_middle::ty::{self, Ty, TyCtxt}; -use rustc_span::symbol::{kw, sym}; +use rustc_span::symbol::sym; use rustc_span::Span; use rustc_trait_selection::solve; use rustc_trait_selection::traits::error_reporting::TypeErrCtxtExt; @@ -296,11 +295,11 @@ impl<'cx, 'tcx> Visitor<'tcx> for WritebackCx<'cx, 'tcx> { hir::ExprKind::Field(..) | hir::ExprKind::OffsetOf(..) => { self.visit_field_id(e.hir_id); } - hir::ExprKind::ConstBlock(_) => { - let feed = self.tcx().create_def(self.fcx.body_id, kw::Empty, DefKind::InlineConst); - feed.def_span(e.span); - feed.local_def_id_to_hir_id(e.hir_id); - self.typeck_results.inline_consts.insert(e.hir_id.local_id, feed.def_id()); + hir::ExprKind::ConstBlock(anon_const) => { + self.visit_node_id(e.span, anon_const.hir_id); + + let body = self.tcx().hir().body(anon_const.body); + self.visit_body(body); } _ => {} } diff --git a/compiler/rustc_middle/src/hir/map/mod.rs b/compiler/rustc_middle/src/hir/map/mod.rs index 8a3bbf71eb61..305ba1ef3bbc 100644 --- a/compiler/rustc_middle/src/hir/map/mod.rs +++ b/compiler/rustc_middle/src/hir/map/mod.rs @@ -1,5 +1,3 @@ -use std::borrow::Cow; - use crate::hir::ModuleItems; use crate::middle::debugger_visualizer::DebuggerVisualizerFile; use crate::query::LocalCrate; @@ -256,26 +254,13 @@ impl<'hir> Map<'hir> { /// Given a `LocalDefId`, returns the `BodyId` associated with it, /// if the node is a body owner, otherwise returns `None`. - pub fn maybe_body_owned_by(self, id: LocalDefId) -> Option>> { - Some(match self.tcx.def_kind(id) { - // Inline consts do not have bodies of their own, so create one to make the follow-up logic simpler. - DefKind::InlineConst => { - let e = self.expect_expr(self.tcx.local_def_id_to_hir_id(id)); - Cow::Owned(Body { - params: &[], - value: match e.kind { - ExprKind::ConstBlock(body) => body, - _ => span_bug!(e.span, "InlineConst was not a ConstBlock: {e:#?}"), - }, - }) - } - _ => Cow::Borrowed(self.body(self.tcx.hir_node_by_def_id(id).body_id()?)), - }) + pub fn maybe_body_owned_by(self, id: LocalDefId) -> Option<&'hir Body<'hir>> { + Some(self.body(self.tcx.hir_node_by_def_id(id).body_id()?)) } /// Given a body owner's id, returns the `BodyId` associated with it. #[track_caller] - pub fn body_owned_by(self, id: LocalDefId) -> Cow<'hir, Body<'hir>> { + pub fn body_owned_by(self, id: LocalDefId) -> &'hir Body<'hir> { self.maybe_body_owned_by(id).unwrap_or_else(|| { let hir_id = self.tcx.local_def_id_to_hir_id(id); span_bug!( @@ -338,7 +323,7 @@ impl<'hir> Map<'hir> { /// Returns an iterator of the `DefId`s for all body-owners in this /// crate. If you would prefer to iterate over the bodies - /// themselves, you can do `self.hir().krate().owners.iter()`. + /// themselves, you can do `self.hir().krate().body_ids.iter()`. #[inline] pub fn body_owners(self) -> impl Iterator + 'hir { self.tcx.hir_crate_items(()).body_owners.iter().copied() @@ -525,17 +510,7 @@ impl<'hir> Map<'hir> { /// Whether the expression pointed at by `hir_id` belongs to a `const` evaluation context. /// Used exclusively for diagnostics, to avoid suggestion function calls. pub fn is_inside_const_context(self, hir_id: HirId) -> bool { - for (_, node) in self.parent_iter(hir_id) { - if let Some((def_id, _)) = node.associated_body() { - return self.body_const_context(def_id).is_some(); - } - if let Node::Expr(e) = node { - if let ExprKind::ConstBlock(_) = e.kind { - return true; - } - } - } - false + self.body_const_context(self.enclosing_body_owner(hir_id)).is_some() } /// Retrieves the `HirId` for `id`'s enclosing function *if* the `id` block or return is @@ -918,6 +893,7 @@ impl<'hir> Map<'hir> { Node::Variant(variant) => variant.span, Node::Field(field) => field.span, Node::AnonConst(constant) => constant.span, + Node::ConstBlock(constant) => self.body(constant.body).value.span, Node::Expr(expr) => expr.span, Node::ExprField(field) => field.span, Node::Stmt(stmt) => stmt.span, @@ -1187,6 +1163,7 @@ fn hir_id_to_string(map: Map<'_>, id: HirId) -> String { format!("{id} (field `{}` in {})", field.ident, path_str(field.def_id)) } Node::AnonConst(_) => node_str("const"), + Node::ConstBlock(_) => node_str("const"), Node::Expr(_) => node_str("expr"), Node::ExprField(_) => node_str("expr field"), Node::Stmt(_) => node_str("stmt"), @@ -1336,6 +1313,11 @@ impl<'hir> Visitor<'hir> for ItemCollector<'hir> { intravisit::walk_anon_const(self, c) } + fn visit_inline_const(&mut self, c: &'hir ConstBlock) { + self.body_owners.push(c.def_id); + intravisit::walk_inline_const(self, c) + } + fn visit_expr(&mut self, ex: &'hir Expr<'hir>) { if let ExprKind::Closure(closure) = ex.kind { self.body_owners.push(closure.def_id); diff --git a/compiler/rustc_middle/src/ty/typeck_results.rs b/compiler/rustc_middle/src/ty/typeck_results.rs index 69ea9c9843a0..24e3e623ff27 100644 --- a/compiler/rustc_middle/src/ty/typeck_results.rs +++ b/compiler/rustc_middle/src/ty/typeck_results.rs @@ -217,10 +217,6 @@ pub struct TypeckResults<'tcx> { /// Container types and field indices of `offset_of!` expressions offset_of_data: ItemLocalMap<(Ty<'tcx>, Vec<(VariantIdx, FieldIdx)>)>, - - /// Maps from `HirId`s of const blocks (the `ExprKind::ConstBlock`, not the inner expression's) - /// to the `DefId` of the corresponding inline const. - pub inline_consts: FxIndexMap, } impl<'tcx> TypeckResults<'tcx> { @@ -253,7 +249,6 @@ impl<'tcx> TypeckResults<'tcx> { treat_byte_string_as_slice: Default::default(), closure_size_eval: Default::default(), offset_of_data: Default::default(), - inline_consts: Default::default(), } } diff --git a/compiler/rustc_mir_build/src/build/mod.rs b/compiler/rustc_mir_build/src/build/mod.rs index 14d1b502474f..193f0d124bb8 100644 --- a/compiler/rustc_mir_build/src/build/mod.rs +++ b/compiler/rustc_mir_build/src/build/mod.rs @@ -568,8 +568,11 @@ fn construct_const<'a, 'tcx>( .. }) => (*span, ty.span), Node::AnonConst(ct) => (ct.span, ct.span), - Node::Expr(&hir::Expr { span, kind: hir::ExprKind::ConstBlock(_), .. }) => (span, span), - node => span_bug!(tcx.def_span(def), "can't build MIR for {def:?}: {node:#?}"), + Node::ConstBlock(_) => { + let span = tcx.def_span(def); + (span, span) + } + _ => span_bug!(tcx.def_span(def), "can't build MIR for {:?}", def), }; let infcx = tcx.infer_ctxt().build(); diff --git a/compiler/rustc_mir_build/src/thir/cx/expr.rs b/compiler/rustc_mir_build/src/thir/cx/expr.rs index bd66257e6b68..28f9300b97a8 100644 --- a/compiler/rustc_mir_build/src/thir/cx/expr.rs +++ b/compiler/rustc_mir_build/src/thir/cx/expr.rs @@ -671,9 +671,9 @@ impl<'tcx> Cx<'tcx> { ExprKind::OffsetOf { container, fields } } - hir::ExprKind::ConstBlock(body) => { - let ty = self.typeck_results().node_type(body.hir_id); - let did = self.typeck_results().inline_consts[&expr.hir_id.local_id].into(); + hir::ExprKind::ConstBlock(ref anon_const) => { + let ty = self.typeck_results().node_type(anon_const.hir_id); + let did = anon_const.def_id.to_def_id(); let typeck_root_def_id = tcx.typeck_root_def_id(did); let parent_args = tcx.erase_regions(GenericArgs::identity_for_item(tcx, typeck_root_def_id)); diff --git a/compiler/rustc_mir_build/src/thir/cx/mod.rs b/compiler/rustc_mir_build/src/thir/cx/mod.rs index bd9e34ae80fc..244ac409fd38 100644 --- a/compiler/rustc_mir_build/src/thir/cx/mod.rs +++ b/compiler/rustc_mir_build/src/thir/cx/mod.rs @@ -165,7 +165,7 @@ impl<'tcx> Cx<'tcx> { &'a mut self, owner_id: HirId, fn_decl: &'tcx hir::FnDecl<'tcx>, - body: &hir::Body<'tcx>, + body: &'tcx hir::Body<'tcx>, ) -> impl Iterator> + 'a { let fn_sig = self.typeck_results.liberated_fn_sigs()[owner_id]; diff --git a/compiler/rustc_mir_build/src/thir/pattern/mod.rs b/compiler/rustc_mir_build/src/thir/pattern/mod.rs index 145a40ca3cd6..158ca91fcf13 100644 --- a/compiler/rustc_mir_build/src/thir/pattern/mod.rs +++ b/compiler/rustc_mir_build/src/thir/pattern/mod.rs @@ -637,13 +637,15 @@ impl<'a, 'tcx> PatCtxt<'a, 'tcx> { /// Converts inline const patterns. fn lower_inline_const( &mut self, - expr: &'tcx hir::Expr<'tcx>, + block: &'tcx hir::ConstBlock, id: hir::HirId, span: Span, ) -> PatKind<'tcx> { let tcx = self.tcx; - let def_id = self.typeck_results.inline_consts[&id.local_id]; - let ty = tcx.typeck(def_id).node_type(expr.hir_id); + let def_id = block.def_id; + let body_id = block.body; + let expr = &tcx.hir().body(body_id).value; + let ty = tcx.typeck(def_id).node_type(block.hir_id); // Special case inline consts that are just literals. This is solely // a performance optimization, as we could also just go through the regular diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs index b66e3d66f4d3..9d88f8bf9bec 100644 --- a/compiler/rustc_mir_transform/src/lib.rs +++ b/compiler/rustc_mir_transform/src/lib.rs @@ -222,12 +222,6 @@ fn mir_keys(tcx: TyCtxt<'_>, (): ()) -> FxIndexSet { // All body-owners have MIR associated with them. set.extend(tcx.hir().body_owners()); - // Inline consts' bodies are created in - // typeck instead of during ast lowering, like all other bodies so far. - for def_id in tcx.hir().body_owners() { - set.extend(tcx.typeck(def_id).inline_consts.values()) - } - // Additionally, tuple struct/variant constructors have MIR, but // they don't have a BodyId, so we need to build them separately. struct GatherCtors<'a> { diff --git a/compiler/rustc_parse/src/parser/mod.rs b/compiler/rustc_parse/src/parser/mod.rs index 8f733b4fcbbc..29a84078c51d 100644 --- a/compiler/rustc_parse/src/parser/mod.rs +++ b/compiler/rustc_parse/src/parser/mod.rs @@ -25,8 +25,8 @@ use rustc_ast::tokenstream::{AttributesData, DelimSpacing, DelimSpan, Spacing}; use rustc_ast::tokenstream::{TokenStream, TokenTree, TokenTreeCursor}; use rustc_ast::util::case::Case; use rustc_ast::{ - self as ast, AttrArgs, AttrArgsEq, AttrId, ByRef, Const, CoroutineKind, DelimArgs, Expr, - ExprKind, Extern, HasAttrs, HasTokens, Mutability, Recovered, Safety, StrLit, Visibility, + self as ast, AnonConst, AttrArgs, AttrArgsEq, AttrId, ByRef, Const, CoroutineKind, DelimArgs, + Expr, ExprKind, Extern, HasAttrs, HasTokens, Mutability, Recovered, Safety, StrLit, Visibility, VisibilityKind, DUMMY_NODE_ID, }; use rustc_ast_pretty::pprust; @@ -1262,9 +1262,12 @@ impl<'a> Parser<'a> { } self.eat_keyword(kw::Const); let (attrs, blk) = self.parse_inner_attrs_and_block()?; - let expr = self.mk_expr(blk.span, ExprKind::Block(blk, None)); - let blk_span = expr.span; - Ok(self.mk_expr_with_attrs(span.to(blk_span), ExprKind::ConstBlock(expr), attrs)) + let anon_const = AnonConst { + id: DUMMY_NODE_ID, + value: self.mk_expr(blk.span, ExprKind::Block(blk, None)), + }; + let blk_span = anon_const.value.span; + Ok(self.mk_expr_with_attrs(span.to(blk_span), ExprKind::ConstBlock(anon_const), attrs)) } /// Parses mutability (`mut` or nothing). diff --git a/compiler/rustc_passes/src/check_const.rs b/compiler/rustc_passes/src/check_const.rs index 71f3e8b7b5d9..3f6eccbd5a52 100644 --- a/compiler/rustc_passes/src/check_const.rs +++ b/compiler/rustc_passes/src/check_const.rs @@ -196,6 +196,11 @@ impl<'tcx> Visitor<'tcx> for CheckConstVisitor<'tcx> { self.recurse_into(kind, None, |this| intravisit::walk_anon_const(this, anon)); } + fn visit_inline_const(&mut self, block: &'tcx hir::ConstBlock) { + let kind = Some(hir::ConstContext::Const { inline: true }); + self.recurse_into(kind, None, |this| intravisit::walk_inline_const(this, block)); + } + fn visit_body(&mut self, body: &hir::Body<'tcx>) { let owner = self.tcx.hir().body_owner_def_id(body.id()); let kind = self.tcx.hir().body_const_context(owner); @@ -223,11 +228,6 @@ impl<'tcx> Visitor<'tcx> for CheckConstVisitor<'tcx> { self.const_check_violated(expr, e.span); } } - hir::ExprKind::ConstBlock(expr) => { - let kind = Some(hir::ConstContext::Const { inline: true }); - self.recurse_into(kind, None, |this| intravisit::walk_expr(this, expr)); - return; - } _ => {} } diff --git a/compiler/rustc_passes/src/dead.rs b/compiler/rustc_passes/src/dead.rs index 0049afff528c..ddc50e2b811a 100644 --- a/compiler/rustc_passes/src/dead.rs +++ b/compiler/rustc_passes/src/dead.rs @@ -587,16 +587,6 @@ impl<'tcx> Visitor<'tcx> for MarkSymbolVisitor<'tcx> { hir::ExprKind::OffsetOf(..) => { self.handle_offset_of(expr); } - hir::ExprKind::ConstBlock(expr) => { - // When inline const blocks are used in pattern position, paths - // referenced by it should be considered as used. - let in_pat = mem::replace(&mut self.in_pat, false); - - intravisit::walk_expr(self, expr); - - self.in_pat = in_pat; - return; - } _ => (), } @@ -658,6 +648,17 @@ impl<'tcx> Visitor<'tcx> for MarkSymbolVisitor<'tcx> { self.in_pat = in_pat; } + + fn visit_inline_const(&mut self, c: &'tcx hir::ConstBlock) { + // When inline const blocks are used in pattern position, paths + // referenced by it should be considered as used. + let in_pat = mem::replace(&mut self.in_pat, false); + + self.live_symbols.insert(c.def_id); + intravisit::walk_inline_const(self, c); + + self.in_pat = in_pat; + } } fn has_allow_dead_code_or_lang_attr( diff --git a/compiler/rustc_passes/src/liveness.rs b/compiler/rustc_passes/src/liveness.rs index 698f15015c48..dfa7dfa33981 100644 --- a/compiler/rustc_passes/src/liveness.rs +++ b/compiler/rustc_passes/src/liveness.rs @@ -147,11 +147,6 @@ fn check_liveness(tcx: TyCtxt<'_>, def_id: LocalDefId) { return; } - // Don't run for inline consts, they are collected together with their parent - if let DefKind::InlineConst = tcx.def_kind(def_id) { - return; - } - // Don't run unused pass for #[naked] if tcx.has_attr(def_id.to_def_id(), sym::naked) { return; @@ -1148,13 +1143,12 @@ impl<'a, 'tcx> Liveness<'a, 'tcx> { } hir::ExprKind::Lit(..) + | hir::ExprKind::ConstBlock(..) | hir::ExprKind::Err(_) | hir::ExprKind::Path(hir::QPath::TypeRelative(..)) | hir::ExprKind::Path(hir::QPath::LangItem(..)) | hir::ExprKind::OffsetOf(..) => succ, - hir::ExprKind::ConstBlock(expr) => self.propagate_through_expr(expr, succ), - // Note that labels have been resolved, so we don't need to look // at the label ident hir::ExprKind::Block(ref blk, _) => self.propagate_through_block(blk, succ), diff --git a/compiler/rustc_passes/src/loops.rs b/compiler/rustc_passes/src/loops.rs index 737310e5c04a..2587a18b8c89 100644 --- a/compiler/rustc_passes/src/loops.rs +++ b/compiler/rustc_passes/src/loops.rs @@ -93,6 +93,10 @@ impl<'a, 'hir> Visitor<'hir> for CheckLoopVisitor<'a, 'hir> { self.with_context(Constant, |v| intravisit::walk_anon_const(v, c)); } + fn visit_inline_const(&mut self, c: &'hir hir::ConstBlock) { + self.with_context(Constant, |v| intravisit::walk_inline_const(v, c)); + } + fn visit_fn( &mut self, fk: hir::intravisit::FnKind<'hir>, @@ -285,9 +289,6 @@ impl<'a, 'hir> Visitor<'hir> for CheckLoopVisitor<'a, 'hir> { self.cx_stack.len() - 1, ) } - hir::ExprKind::ConstBlock(expr) => { - self.with_context(Constant, |v| intravisit::walk_expr(v, expr)); - } _ => intravisit::walk_expr(self, e), } } diff --git a/compiler/rustc_resolve/src/def_collector.rs b/compiler/rustc_resolve/src/def_collector.rs index d7416ead325d..ca97d10617b6 100644 --- a/compiler/rustc_resolve/src/def_collector.rs +++ b/compiler/rustc_resolve/src/def_collector.rs @@ -340,6 +340,16 @@ impl<'a, 'b, 'tcx> visit::Visitor<'a> for DefCollector<'a, 'b, 'tcx> { ExprKind::Gen(_, _, _) => { self.create_def(expr.id, kw::Empty, DefKind::Closure, expr.span) } + ExprKind::ConstBlock(ref constant) => { + let def = self.create_def( + constant.id, + kw::Empty, + DefKind::InlineConst, + constant.value.span, + ); + self.with_parent(def, |this| visit::walk_anon_const(this, constant)); + return; + } _ => self.parent_def, }; diff --git a/compiler/rustc_resolve/src/late.rs b/compiler/rustc_resolve/src/late.rs index c7c95addf492..b0adc3775f66 100644 --- a/compiler/rustc_resolve/src/late.rs +++ b/compiler/rustc_resolve/src/late.rs @@ -4535,10 +4535,8 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { self.visit_expr(elem); self.resolve_anon_const(ct, AnonConstKind::ConstArg(IsRepeatExpr::Yes)); } - ExprKind::ConstBlock(ref expr) => { - self.resolve_anon_const_manual(false, AnonConstKind::InlineConst, |this| { - this.visit_expr(expr) - }); + ExprKind::ConstBlock(ref ct) => { + self.resolve_anon_const(ct, AnonConstKind::InlineConst); } ExprKind::Index(ref elem, ref idx, _) => { self.resolve_expr(elem, Some(expr)); diff --git a/src/tools/clippy/clippy_utils/src/consts.rs b/src/tools/clippy/clippy_utils/src/consts.rs index cd88ccd87cf0..5c9cad2b45d4 100644 --- a/src/tools/clippy/clippy_utils/src/consts.rs +++ b/src/tools/clippy/clippy_utils/src/consts.rs @@ -6,7 +6,7 @@ use crate::{clip, is_direct_expn_of, sext, unsext}; use rustc_ast::ast::{self, LitFloatType, LitKind}; use rustc_data_structures::sync::Lrc; use rustc_hir::def::{DefKind, Res}; -use rustc_hir::{BinOp, BinOpKind, Block, Expr, ExprKind, HirId, Item, ItemKind, Node, QPath, UnOp}; +use rustc_hir::{BinOp, BinOpKind, Block, ConstBlock, Expr, ExprKind, HirId, Item, ItemKind, Node, QPath, UnOp}; use rustc_lexer::tokenize; use rustc_lint::LateContext; use rustc_middle::mir::interpret::{alloc_range, Scalar}; @@ -412,7 +412,7 @@ impl<'a, 'tcx> ConstEvalLateContext<'a, 'tcx> { /// Simple constant folding: Insert an expression, get a constant or none. pub fn expr(&mut self, e: &Expr<'_>) -> Option> { match e.kind { - ExprKind::ConstBlock(e) | ExprKind::DropTemps(e) => self.expr(e), + ExprKind::ConstBlock(ConstBlock { body, .. }) => self.expr(self.lcx.tcx.hir().body(body).value), ExprKind::DropTemps(e) => self.expr(e), ExprKind::Path(ref qpath) => { self.fetch_path_and_apply(qpath, e.hir_id, self.typeck_results.expr_ty(e), |this, result| { let result = mir_to_const(this.lcx, result)?; @@ -490,7 +490,7 @@ impl<'a, 'tcx> ConstEvalLateContext<'a, 'tcx> { /// leaves the local crate. pub fn expr_is_empty(&mut self, e: &Expr<'_>) -> Option { match e.kind { - ExprKind::ConstBlock(e) | ExprKind::DropTemps(e) => self.expr_is_empty(e), + ExprKind::ConstBlock(ConstBlock { body, .. }) => self.expr_is_empty(self.lcx.tcx.hir().body(body).value), ExprKind::DropTemps(e) => self.expr_is_empty(e), ExprKind::Path(ref qpath) => { if !self .typeck_results diff --git a/src/tools/clippy/clippy_utils/src/hir_utils.rs b/src/tools/clippy/clippy_utils/src/hir_utils.rs index c649c1794684..36634817fc91 100644 --- a/src/tools/clippy/clippy_utils/src/hir_utils.rs +++ b/src/tools/clippy/clippy_utils/src/hir_utils.rs @@ -295,7 +295,7 @@ impl HirEqInterExpr<'_, '_, '_> { self.eq_expr(lx, rx) && self.eq_ty(lt, rt) }, (&ExprKind::Closure(_l), &ExprKind::Closure(_r)) => false, - (&ExprKind::ConstBlock(lb), &ExprKind::ConstBlock(rb)) => self.eq_expr(lb, rb), + (&ExprKind::ConstBlock(lb), &ExprKind::ConstBlock(rb)) => self.eq_body(lb.body, rb.body), (&ExprKind::Continue(li), &ExprKind::Continue(ri)) => { both(&li.label, &ri.label, |l, r| l.ident.name == r.ident.name) }, @@ -769,8 +769,8 @@ impl<'a, 'tcx> SpanlessHash<'a, 'tcx> { // closures inherit TypeckResults self.hash_expr(self.cx.tcx.hir().body(body).value); }, - ExprKind::ConstBlock(l_id) => { - self.hash_expr(l_id); + ExprKind::ConstBlock(ref l_id) => { + self.hash_body(l_id.body); }, ExprKind::DropTemps(e) | ExprKind::Yield(e, _) => { self.hash_expr(e); diff --git a/src/tools/clippy/tests/ui/arithmetic_side_effects.stderr b/src/tools/clippy/tests/ui/arithmetic_side_effects.stderr index df14ff396f6c..8039c0bfa248 100644 --- a/src/tools/clippy/tests/ui/arithmetic_side_effects.stderr +++ b/src/tools/clippy/tests/ui/arithmetic_side_effects.stderr @@ -1,35 +1,11 @@ -error: arithmetic operation that can potentially result in unexpected side-effects - --> tests/ui/arithmetic_side_effects.rs:188:36 - | -LL | let _ = const { let mut n = 1; n += 1; n }; - | ^^^^^^ - | - = note: `-D clippy::arithmetic-side-effects` implied by `-D warnings` - = help: to override `-D warnings` add `#[allow(clippy::arithmetic_side_effects)]` - -error: arithmetic operation that can potentially result in unexpected side-effects - --> tests/ui/arithmetic_side_effects.rs:191:40 - | -LL | let _ = const { let mut n = 1; n = n + 1; n }; - | ^^^^^ - -error: arithmetic operation that can potentially result in unexpected side-effects - --> tests/ui/arithmetic_side_effects.rs:194:40 - | -LL | let _ = const { let mut n = 1; n = 1 + n; n }; - | ^^^^^ - -error: arithmetic operation that can potentially result in unexpected side-effects - --> tests/ui/arithmetic_side_effects.rs:200:59 - | -LL | let _ = const { let mut n = 1; n = -1; n = -(-1); n = -n; n }; - | ^^ - error: arithmetic operation that can potentially result in unexpected side-effects --> tests/ui/arithmetic_side_effects.rs:304:5 | LL | _n += 1; | ^^^^^^^ + | + = note: `-D clippy::arithmetic-side-effects` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::arithmetic_side_effects)]` error: arithmetic operation that can potentially result in unexpected side-effects --> tests/ui/arithmetic_side_effects.rs:305:5 @@ -751,5 +727,5 @@ error: arithmetic operation that can potentially result in unexpected side-effec LL | one.sub_assign(1); | ^^^^^^^^^^^^^^^^^ -error: aborting due to 125 previous errors +error: aborting due to 121 previous errors diff --git a/tests/mir-opt/building/custom/consts.consts.built.after.mir b/tests/mir-opt/building/custom/consts.consts.built.after.mir index 7b6964849d4b..a011fadcef11 100644 --- a/tests/mir-opt/building/custom/consts.consts.built.after.mir +++ b/tests/mir-opt/building/custom/consts.consts.built.after.mir @@ -10,7 +10,7 @@ fn consts() -> () { bb0: { _1 = const 5_u8; - _2 = const consts::::{constant#1}; + _2 = const consts::::{constant#0}; _3 = const C; _4 = const D; _5 = consts::<10>; diff --git a/tests/pretty/stmt_expr_attributes.rs b/tests/pretty/stmt_expr_attributes.rs index f90412682110..5eb7d2fcae36 100644 --- a/tests/pretty/stmt_expr_attributes.rs +++ b/tests/pretty/stmt_expr_attributes.rs @@ -206,7 +206,12 @@ fn _11() { let _ = (); () }; - let const {} = #[rustc_dummy] const {}; + let const { + #![rustc_dummy] + } = + #[rustc_dummy] const { + #![rustc_dummy] + }; let mut x = 0; let _ = (#[rustc_dummy] x) = 15; let _ = (#[rustc_dummy] x) += 15; diff --git a/tests/ui/lint/non-local-defs/consts.stderr b/tests/ui/lint/non-local-defs/consts.stderr index 48bdaa60823f..2756ea401387 100644 --- a/tests/ui/lint/non-local-defs/consts.stderr +++ b/tests/ui/lint/non-local-defs/consts.stderr @@ -67,13 +67,18 @@ LL | impl Test { warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/consts.rs:50:9 | -LL | fn main() { - | --------- move the `impl` block outside of this function `main` -... -LL | impl Test { - | ^^^^^---- - | | - | `Test` is not local +LL | const { + | ___________- +LL | | impl Test { + | | ^^^^^---- + | | | + | | `Test` is not local +LL | | +LL | | fn hoo() {} +... | +LL | | 1 +LL | | }; + | |_____- move the `impl` block outside of this inline constant `` and up 2 bodies | = note: methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue diff --git a/tests/ui/unpretty/expanded-exhaustive.stdout b/tests/ui/unpretty/expanded-exhaustive.stdout index 9e45f57af354..137a8aa5510d 100644 --- a/tests/ui/unpretty/expanded-exhaustive.stdout +++ b/tests/ui/unpretty/expanded-exhaustive.stdout @@ -83,8 +83,7 @@ mod expressions { fn expr_const_block() { const {}; const { 1 }; - const - { + const { struct S; }; } From bbcd8794d03e4061a061a199a6c3c47dc65054c3 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Mon, 3 Jun 2024 09:39:26 +0000 Subject: [PATCH 1134/1716] Add regression test --- .../inline-const/const_block_pat_liveness.rs | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 tests/ui/inline-const/const_block_pat_liveness.rs diff --git a/tests/ui/inline-const/const_block_pat_liveness.rs b/tests/ui/inline-const/const_block_pat_liveness.rs new file mode 100644 index 000000000000..26393a4f65b8 --- /dev/null +++ b/tests/ui/inline-const/const_block_pat_liveness.rs @@ -0,0 +1,18 @@ +//! This test used to ICE because const blocks didn't have a body +//! anymore, making a lot of logic very fragile around handling the +//! HIR of a const block. +//! https://github.com/rust-lang/rust/issues/125846 + +//@ check-pass + +#![feature(inline_const_pat)] + +fn main() { + match 0 { + const { + let a = 10_usize; + *&a + } + | _ => {} + } +} From abd011638dffe2586a382b4e89823bf2b84b5a4d Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Mon, 3 Jun 2024 09:11:58 +0000 Subject: [PATCH 1135/1716] Revert "Create const block DefIds in typeck instead of ast lowering" This reverts commit ddc5f9b6c1f21da5d4596bf7980185a00984ac42. --- clippy_utils/src/consts.rs | 6 ++--- clippy_utils/src/hir_utils.rs | 6 ++--- tests/ui/arithmetic_side_effects.stderr | 32 ++++--------------------- 3 files changed, 10 insertions(+), 34 deletions(-) diff --git a/clippy_utils/src/consts.rs b/clippy_utils/src/consts.rs index cd88ccd87cf0..5c9cad2b45d4 100644 --- a/clippy_utils/src/consts.rs +++ b/clippy_utils/src/consts.rs @@ -6,7 +6,7 @@ use crate::{clip, is_direct_expn_of, sext, unsext}; use rustc_ast::ast::{self, LitFloatType, LitKind}; use rustc_data_structures::sync::Lrc; use rustc_hir::def::{DefKind, Res}; -use rustc_hir::{BinOp, BinOpKind, Block, Expr, ExprKind, HirId, Item, ItemKind, Node, QPath, UnOp}; +use rustc_hir::{BinOp, BinOpKind, Block, ConstBlock, Expr, ExprKind, HirId, Item, ItemKind, Node, QPath, UnOp}; use rustc_lexer::tokenize; use rustc_lint::LateContext; use rustc_middle::mir::interpret::{alloc_range, Scalar}; @@ -412,7 +412,7 @@ impl<'a, 'tcx> ConstEvalLateContext<'a, 'tcx> { /// Simple constant folding: Insert an expression, get a constant or none. pub fn expr(&mut self, e: &Expr<'_>) -> Option> { match e.kind { - ExprKind::ConstBlock(e) | ExprKind::DropTemps(e) => self.expr(e), + ExprKind::ConstBlock(ConstBlock { body, .. }) => self.expr(self.lcx.tcx.hir().body(body).value), ExprKind::DropTemps(e) => self.expr(e), ExprKind::Path(ref qpath) => { self.fetch_path_and_apply(qpath, e.hir_id, self.typeck_results.expr_ty(e), |this, result| { let result = mir_to_const(this.lcx, result)?; @@ -490,7 +490,7 @@ impl<'a, 'tcx> ConstEvalLateContext<'a, 'tcx> { /// leaves the local crate. pub fn expr_is_empty(&mut self, e: &Expr<'_>) -> Option { match e.kind { - ExprKind::ConstBlock(e) | ExprKind::DropTemps(e) => self.expr_is_empty(e), + ExprKind::ConstBlock(ConstBlock { body, .. }) => self.expr_is_empty(self.lcx.tcx.hir().body(body).value), ExprKind::DropTemps(e) => self.expr_is_empty(e), ExprKind::Path(ref qpath) => { if !self .typeck_results diff --git a/clippy_utils/src/hir_utils.rs b/clippy_utils/src/hir_utils.rs index c649c1794684..36634817fc91 100644 --- a/clippy_utils/src/hir_utils.rs +++ b/clippy_utils/src/hir_utils.rs @@ -295,7 +295,7 @@ impl HirEqInterExpr<'_, '_, '_> { self.eq_expr(lx, rx) && self.eq_ty(lt, rt) }, (&ExprKind::Closure(_l), &ExprKind::Closure(_r)) => false, - (&ExprKind::ConstBlock(lb), &ExprKind::ConstBlock(rb)) => self.eq_expr(lb, rb), + (&ExprKind::ConstBlock(lb), &ExprKind::ConstBlock(rb)) => self.eq_body(lb.body, rb.body), (&ExprKind::Continue(li), &ExprKind::Continue(ri)) => { both(&li.label, &ri.label, |l, r| l.ident.name == r.ident.name) }, @@ -769,8 +769,8 @@ impl<'a, 'tcx> SpanlessHash<'a, 'tcx> { // closures inherit TypeckResults self.hash_expr(self.cx.tcx.hir().body(body).value); }, - ExprKind::ConstBlock(l_id) => { - self.hash_expr(l_id); + ExprKind::ConstBlock(ref l_id) => { + self.hash_body(l_id.body); }, ExprKind::DropTemps(e) | ExprKind::Yield(e, _) => { self.hash_expr(e); diff --git a/tests/ui/arithmetic_side_effects.stderr b/tests/ui/arithmetic_side_effects.stderr index df14ff396f6c..8039c0bfa248 100644 --- a/tests/ui/arithmetic_side_effects.stderr +++ b/tests/ui/arithmetic_side_effects.stderr @@ -1,35 +1,11 @@ -error: arithmetic operation that can potentially result in unexpected side-effects - --> tests/ui/arithmetic_side_effects.rs:188:36 - | -LL | let _ = const { let mut n = 1; n += 1; n }; - | ^^^^^^ - | - = note: `-D clippy::arithmetic-side-effects` implied by `-D warnings` - = help: to override `-D warnings` add `#[allow(clippy::arithmetic_side_effects)]` - -error: arithmetic operation that can potentially result in unexpected side-effects - --> tests/ui/arithmetic_side_effects.rs:191:40 - | -LL | let _ = const { let mut n = 1; n = n + 1; n }; - | ^^^^^ - -error: arithmetic operation that can potentially result in unexpected side-effects - --> tests/ui/arithmetic_side_effects.rs:194:40 - | -LL | let _ = const { let mut n = 1; n = 1 + n; n }; - | ^^^^^ - -error: arithmetic operation that can potentially result in unexpected side-effects - --> tests/ui/arithmetic_side_effects.rs:200:59 - | -LL | let _ = const { let mut n = 1; n = -1; n = -(-1); n = -n; n }; - | ^^ - error: arithmetic operation that can potentially result in unexpected side-effects --> tests/ui/arithmetic_side_effects.rs:304:5 | LL | _n += 1; | ^^^^^^^ + | + = note: `-D clippy::arithmetic-side-effects` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::arithmetic_side_effects)]` error: arithmetic operation that can potentially result in unexpected side-effects --> tests/ui/arithmetic_side_effects.rs:305:5 @@ -751,5 +727,5 @@ error: arithmetic operation that can potentially result in unexpected side-effec LL | one.sub_assign(1); | ^^^^^^^^^^^^^^^^^ -error: aborting due to 125 previous errors +error: aborting due to 121 previous errors From 6110a51898e2f3754726e67fac169cbd18b41ce2 Mon Sep 17 00:00:00 2001 From: Pietro Albini Date: Fri, 7 Jun 2024 10:36:26 +0200 Subject: [PATCH 1136/1716] set version number to 1.81.0 --- src/version | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/version b/src/version index aaceec04e040..dbd41264aa9f 100644 --- a/src/version +++ b/src/version @@ -1 +1 @@ -1.80.0 +1.81.0 From 321d69d1955fe02d25129a353218f1e56e28a3bb Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Fri, 7 Jun 2024 08:50:18 +0000 Subject: [PATCH 1137/1716] Fix codegen test --- .../cfi/emit-type-metadata-id-itanium-cxx-abi-paths.rs | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-paths.rs b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-paths.rs index 4e5ad8ad4a93..9870ecc69baf 100644 --- a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-paths.rs +++ b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-paths.rs @@ -82,9 +82,9 @@ pub fn foo12(_: &Type4, _: &Type4, _: &Type4) {} // CHECK: ![[TYPE4]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NtNCNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo11{{[{}][{}]}}closure{{[}][}]}}3FooEE"} // CHECK: ![[TYPE5]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NtNCNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo11{{[{}][{}]}}closure{{[}][}]}}3FooES0_E"} // CHECK: ![[TYPE6]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NtNCNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo11{{[{}][{}]}}closure{{[}][}]}}3FooES0_S0_E"} -// CHECK: ![[TYPE7]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NtNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo3FooEE"} -// CHECK: ![[TYPE8]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NtNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo3FooES0_E"} -// CHECK: ![[TYPE9]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NtNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo3FooES0_S0_E"} +// CHECK: ![[TYPE7]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NtNkNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo12{{[{}][{}]}}constant{{[}][}]}}3FooEE"} +// CHECK: ![[TYPE8]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NtNkNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo12{{[{}][{}]}}constant{{[}][}]}}3FooES0_E"} +// CHECK: ![[TYPE9]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NtNkNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo12{{[{}][{}]}}constant{{[}][}]}}3FooES0_S0_E"} // CHECK: ![[TYPE10]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NvNINvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo8{{[{}][{}]}}impl{{[}][}]}}3barEE"} // CHECK: ![[TYPE11]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NvNINvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo8{{[{}][{}]}}impl{{[}][}]}}3barES0_E"} // CHECK: ![[TYPE12]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NvNINvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo8{{[{}][{}]}}impl{{[}][}]}}3barES0_S0_E"} From 585c89849510a367a6a84907641ce7ecd6a96589 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Thu, 6 Jun 2024 18:59:18 +0200 Subject: [PATCH 1138/1716] Do not run run-make tests in the test source directory --- src/tools/compiletest/src/runtest.rs | 19 +++++++++++++++++-- src/tools/compiletest/src/util.rs | 16 +++++++++++++++- 2 files changed, 32 insertions(+), 3 deletions(-) diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs index 2c425a07b2ac..8ef1d46bef64 100644 --- a/src/tools/compiletest/src/runtest.rs +++ b/src/tools/compiletest/src/runtest.rs @@ -15,7 +15,7 @@ use crate::errors::{self, Error, ErrorKind}; use crate::header::TestProps; use crate::json; use crate::read2::{read2_abbreviated, Truncated}; -use crate::util::{add_dylib_path, dylib_env_var, logv, PathBufExt}; +use crate::util::{add_dylib_path, copy_dir_all, dylib_env_var, logv, PathBufExt}; use crate::ColorConfig; use colored::Colorize; use miropt_test_tools::{files_for_miropt_test, MiroptTest, MiroptTestFile}; @@ -3458,6 +3458,21 @@ impl<'test> TestCx<'test> { let rmake_out_dir = base_dir.join("rmake_out"); create_dir_all(&rmake_out_dir).unwrap(); + // Copy all input files (apart from rmake.rs) to the temporary directory, + // so that the input directory structure from `tests/run-make/` is mirrored + // to the `rmake_out` directory. + for path in walkdir::WalkDir::new(&self.testpaths.file).min_depth(1) { + let path = path.unwrap().path().to_path_buf(); + if path.file_name().map(|s| s != OsStr::new("rmake.rs")).unwrap_or(false) { + let target = rmake_out_dir.join(path.strip_prefix(&self.testpaths.file).unwrap()); + if path.is_dir() { + copy_dir_all(&path, target).unwrap(); + } else { + fs::copy(&path, target).unwrap(); + } + } + } + // HACK: assume stageN-target, we only want stageN. let stage = self.config.stage_id.split('-').next().unwrap(); @@ -3559,7 +3574,7 @@ impl<'test> TestCx<'test> { let target_rpath_env_path = env::join_paths(target_rpath_env_path).unwrap(); let mut cmd = Command::new(&recipe_bin); - cmd.current_dir(&self.testpaths.file) + cmd.current_dir(&rmake_out_dir) .stdout(Stdio::piped()) .stderr(Stdio::piped()) .env("LD_LIB_PATH_ENVVAR", dylib_env_var()) diff --git a/src/tools/compiletest/src/util.rs b/src/tools/compiletest/src/util.rs index 09a7f0395cfb..ec20bda8c189 100644 --- a/src/tools/compiletest/src/util.rs +++ b/src/tools/compiletest/src/util.rs @@ -1,7 +1,7 @@ use crate::common::Config; use std::env; use std::ffi::OsStr; -use std::path::PathBuf; +use std::path::{Path, PathBuf}; use std::process::Command; use tracing::*; @@ -76,3 +76,17 @@ pub fn add_dylib_path(cmd: &mut Command, paths: impl Iterator, dst: impl AsRef) -> std::io::Result<()> { + std::fs::create_dir_all(&dst)?; + for entry in std::fs::read_dir(src)? { + let entry = entry?; + let ty = entry.file_type()?; + if ty.is_dir() { + copy_dir_all(entry.path(), dst.as_ref().join(entry.file_name()))?; + } else { + std::fs::copy(entry.path(), dst.as_ref().join(entry.file_name()))?; + } + } + Ok(()) +} From 3f20c721ceed518f3a94c2a29582b1d8789fb29f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Thu, 6 Jun 2024 18:59:43 +0200 Subject: [PATCH 1139/1716] Fix `mixing-formats` run-make test --- src/tools/run-make-support/src/lib.rs | 24 +++++++++++++++++++++- src/tools/run-make-support/src/rustc.rs | 5 +++-- tests/run-make/mixing-formats/rmake.rs | 27 +++++++++---------------- 3 files changed, 36 insertions(+), 20 deletions(-) diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index d74a0272a627..2b5d983faa31 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -227,7 +227,7 @@ pub fn set_host_rpath(cmd: &mut Command) { let ld_lib_path_envvar = env_var("LD_LIB_PATH_ENVVAR"); cmd.env(&ld_lib_path_envvar, { let mut paths = vec![]; - paths.push(PathBuf::from(env_var("TMPDIR"))); + paths.push(env::current_dir().unwrap()); paths.push(PathBuf::from(env_var("HOST_RPATH_DIR"))); for p in env::split_paths(&env_var(&ld_lib_path_envvar)) { paths.push(p.to_path_buf()); @@ -315,6 +315,28 @@ pub fn assert_not_contains(haystack: &str, needle: &str) { } } +/// This function is designed for running commands in a temporary directory +/// that is cleared after the function ends. +/// +/// What this function does: +/// 1) Creates a temporary directory (`tmpdir`) +/// 2) Copies all files from the current directory to `tmpdir` +/// 3) Changes the current working directory to `tmpdir` +/// 4) Calls `callback` +/// 5) Switches working directory back to the original one +/// 6) Removes `tmpdir` +/// Switch current working directory to a temporary directory +pub fn run_in_tmpdir(callback: F) { + let original_dir = env::current_dir().unwrap(); + let tmpdir = original_dir.join("../temporary-directory"); + copy_dir_all(".", &tmpdir); + + env::set_current_dir(&tmpdir).unwrap(); + callback(); + env::set_current_dir(original_dir).unwrap(); + fs::remove_dir_all(tmpdir).unwrap(); +} + /// Implement common helpers for command wrappers. This assumes that the command wrapper is a struct /// containing a `cmd: Command` field and a `output` function. The provided helpers are: /// diff --git a/src/tools/run-make-support/src/rustc.rs b/src/tools/run-make-support/src/rustc.rs index e923c3cf4ad8..bcdedb2722fa 100644 --- a/src/tools/run-make-support/src/rustc.rs +++ b/src/tools/run-make-support/src/rustc.rs @@ -1,9 +1,10 @@ +use std::env; use std::ffi::{OsStr, OsString}; use std::io::Write; use std::path::Path; use std::process::{Command, Output, Stdio}; -use crate::{env_var, handle_failed_output, set_host_rpath, tmp_dir}; +use crate::{env_var, handle_failed_output, set_host_rpath}; /// Construct a new `rustc` invocation. pub fn rustc() -> Rustc { @@ -28,7 +29,7 @@ fn setup_common() -> Command { let rustc = env_var("RUSTC"); let mut cmd = Command::new(rustc); set_host_rpath(&mut cmd); - cmd.arg("--out-dir").arg(tmp_dir()).arg("-L").arg(tmp_dir()); + cmd.arg("-L").arg(env::current_dir().unwrap()); cmd } diff --git a/tests/run-make/mixing-formats/rmake.rs b/tests/run-make/mixing-formats/rmake.rs index 0d40b0325f77..9d072d9a6e4f 100644 --- a/tests/run-make/mixing-formats/rmake.rs +++ b/tests/run-make/mixing-formats/rmake.rs @@ -12,31 +12,24 @@ //@ ignore-cross-compile -use run_make_support::{rustc, tmp_dir}; +use run_make_support::{rustc, tmp_dir, run_in_tmpdir}; use std::fs; -fn test_with_teardown(rustc_calls: impl Fn()) { - rustc_calls(); - //FIXME(Oneirical): This should be replaced with the run-make-support fs wrappers. - fs::remove_dir_all(tmp_dir()).unwrap(); - fs::create_dir(tmp_dir()).unwrap(); -} - fn main() { - test_with_teardown(|| { + run_in_tmpdir(|| { // Building just baz rustc().crate_type("rlib").input("foo.rs").run(); rustc().crate_type("dylib").input("bar1.rs").arg("-Cprefer-dynamic").run(); rustc().crate_type("dylib,rlib").input("baz.rs").arg("-Cprefer-dynamic").run(); rustc().crate_type("bin").input("baz.rs").run(); }); - test_with_teardown(|| { + run_in_tmpdir(|| { rustc().crate_type("dylib").input("foo.rs").arg("-Cprefer-dynamic").run(); rustc().crate_type("rlib").input("bar1.rs").run(); rustc().crate_type("dylib,rlib").input("baz.rs").arg("-Cprefer-dynamic").run(); rustc().crate_type("bin").input("baz.rs").run(); }); - test_with_teardown(|| { + run_in_tmpdir(|| { // Building baz2 rustc().crate_type("rlib").input("foo.rs").run(); rustc().crate_type("dylib").input("bar1.rs").arg("-Cprefer-dynamic").run(); @@ -44,42 +37,42 @@ fn main() { rustc().crate_type("dylib").input("baz2.rs").run_fail_assert_exit_code(1); rustc().crate_type("bin").input("baz2.rs").run_fail_assert_exit_code(1); }); - test_with_teardown(|| { + run_in_tmpdir(|| { rustc().crate_type("rlib").input("foo.rs").run(); rustc().crate_type("rlib").input("bar1.rs").run(); rustc().crate_type("dylib").input("bar2.rs").arg("-Cprefer-dynamic").run(); rustc().crate_type("dylib,rlib").input("baz2.rs").run(); rustc().crate_type("bin").input("baz2.rs").run(); }); - test_with_teardown(|| { + run_in_tmpdir(|| { rustc().crate_type("rlib").input("foo.rs").run(); rustc().crate_type("dylib").input("bar1.rs").arg("-Cprefer-dynamic").run(); rustc().crate_type("rlib").input("bar2.rs").run(); rustc().crate_type("dylib,rlib").input("baz2.rs").arg("-Cprefer-dynamic").run(); rustc().crate_type("bin").input("baz2.rs").run(); }); - test_with_teardown(|| { + run_in_tmpdir(|| { rustc().crate_type("rlib").input("foo.rs").run(); rustc().crate_type("rlib").input("bar1.rs").run(); rustc().crate_type("rlib").input("bar2.rs").run(); rustc().crate_type("dylib,rlib").input("baz2.rs").arg("-Cprefer-dynamic").run(); rustc().crate_type("bin").input("baz2.rs").run(); }); - test_with_teardown(|| { + run_in_tmpdir(|| { rustc().crate_type("dylib").input("foo.rs").arg("-Cprefer-dynamic").run(); rustc().crate_type("rlib").input("bar1.rs").run(); rustc().crate_type("rlib").input("bar2.rs").run(); rustc().crate_type("dylib,rlib").input("baz2.rs").arg("-Cprefer-dynamic").run(); rustc().crate_type("bin").input("baz2.rs").run(); }); - test_with_teardown(|| { + run_in_tmpdir(|| { rustc().crate_type("dylib").input("foo.rs").arg("-Cprefer-dynamic").run(); rustc().crate_type("dylib").input("bar1.rs").arg("-Cprefer-dynamic").run(); rustc().crate_type("rlib").input("bar2.rs").run(); rustc().crate_type("dylib,rlib").input("baz2.rs").run(); rustc().crate_type("bin").input("baz2.rs").run(); }); - test_with_teardown(|| { + run_in_tmpdir(|| { rustc().crate_type("dylib").input("foo.rs").arg("-Cprefer-dynamic").run(); rustc().crate_type("rlib").input("bar1.rs").run(); rustc().crate_type("dylib").input("bar2.rs").arg("-Cprefer-dynamic").run(); From 7ebcc37d653bf6551bf53a2453750c05dc745fc7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Thu, 6 Jun 2024 20:40:08 +0200 Subject: [PATCH 1140/1716] Fix `bare-outfile` test --- tests/run-make/bare-outfile/rmake.rs | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/tests/run-make/bare-outfile/rmake.rs b/tests/run-make/bare-outfile/rmake.rs index 82d0fab5073b..badf1396b73e 100644 --- a/tests/run-make/bare-outfile/rmake.rs +++ b/tests/run-make/bare-outfile/rmake.rs @@ -3,13 +3,9 @@ //@ ignore-cross-compile -use run_make_support::{run, rustc, tmp_dir}; -use std::env; -use std::fs; +use run_make_support::{run, rustc}; fn main() { - fs::copy("foo.rs", tmp_dir().join("foo.rs")).unwrap(); - env::set_current_dir(tmp_dir()); rustc().output("foo").input("foo.rs").run(); run("foo"); } From 94ccb9b34d5cd9472bd2651055efb6a75d6649c8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Thu, 6 Jun 2024 20:47:00 +0200 Subject: [PATCH 1141/1716] Remove dependence on `tmp_dir` And also remove some environment variables passed to compilation of `rmake.rs`. --- src/tools/compiletest/src/runtest.rs | 18 ++---------------- src/tools/run-make-support/src/cc.rs | 9 ++++----- src/tools/run-make-support/src/clang.rs | 6 +++--- src/tools/run-make-support/src/lib.rs | 11 +++-------- src/tools/run-make-support/src/run.rs | 4 ++-- 5 files changed, 14 insertions(+), 34 deletions(-) diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs index 8ef1d46bef64..c50dd2d5a990 100644 --- a/src/tools/compiletest/src/runtest.rs +++ b/src/tools/compiletest/src/runtest.rs @@ -3533,18 +3533,11 @@ impl<'test> TestCx<'test> { .env("S", &src_root) .env("RUST_BUILD_STAGE", &self.config.stage_id) .env("RUSTC", cwd.join(&self.config.rustc_path)) - .env("TMPDIR", &rmake_out_dir) .env("LD_LIB_PATH_ENVVAR", dylib_env_var()) .env(dylib_env_var(), &host_dylib_env_paths) .env("HOST_RPATH_DIR", cwd.join(&self.config.compile_lib_path)) .env("TARGET_RPATH_DIR", cwd.join(&self.config.run_lib_path)) - .env("LLVM_COMPONENTS", &self.config.llvm_components) - // We for sure don't want these tests to run in parallel, so make - // sure they don't have access to these vars if we run via `make` - // at the top level - .env_remove("MAKEFLAGS") - .env_remove("MFLAGS") - .env_remove("CARGO_MAKEFLAGS"); + .env("LLVM_COMPONENTS", &self.config.llvm_components); if std::env::var_os("COMPILETEST_FORCE_STAGE0").is_some() { let mut stage0_sysroot = build_root.clone(); @@ -3585,16 +3578,9 @@ impl<'test> TestCx<'test> { .env("S", &src_root) .env("RUST_BUILD_STAGE", &self.config.stage_id) .env("RUSTC", cwd.join(&self.config.rustc_path)) - .env("TMPDIR", &rmake_out_dir) .env("HOST_RPATH_DIR", cwd.join(&self.config.compile_lib_path)) .env("TARGET_RPATH_DIR", cwd.join(&self.config.run_lib_path)) - .env("LLVM_COMPONENTS", &self.config.llvm_components) - // We for sure don't want these tests to run in parallel, so make - // sure they don't have access to these vars if we run via `make` - // at the top level - .env_remove("MAKEFLAGS") - .env_remove("MFLAGS") - .env_remove("CARGO_MAKEFLAGS"); + .env("LLVM_COMPONENTS", &self.config.llvm_components); if let Some(ref rustdoc) = self.config.rustdoc_path { cmd.env("RUSTDOC", cwd.join(rustdoc)); diff --git a/src/tools/run-make-support/src/cc.rs b/src/tools/run-make-support/src/cc.rs index 1472a39305e3..798f0b4c23b5 100644 --- a/src/tools/run-make-support/src/cc.rs +++ b/src/tools/run-make-support/src/cc.rs @@ -54,8 +54,7 @@ impl Cc { self } - /// Specify `-o` or `-Fe`/`-Fo` depending on platform/compiler. This assumes that the executable - /// is under `$TMPDIR`. + /// Specify `-o` or `-Fe`/`-Fo` depending on platform/compiler. pub fn out_exe(&mut self, name: &str) -> &mut Self { // Ref: tools.mk (irrelevant lines omitted): // @@ -69,13 +68,13 @@ impl Cc { // ``` if is_msvc() { - let fe_path = cygpath_windows(tmp_dir().join(bin_name(name))); - let fo_path = cygpath_windows(tmp_dir().join(format!("{name}.obj"))); + let fe_path = cygpath_windows(bin_name(name)); + let fo_path = cygpath_windows(format!("{name}.obj")); self.cmd.arg(format!("-Fe:{fe_path}")); self.cmd.arg(format!("-Fo:{fo_path}")); } else { self.cmd.arg("-o"); - self.cmd.arg(tmp_dir().join(name)); + self.cmd.arg(name); } self diff --git a/src/tools/run-make-support/src/clang.rs b/src/tools/run-make-support/src/clang.rs index 63c5af17c1db..f3c2a7446424 100644 --- a/src/tools/run-make-support/src/clang.rs +++ b/src/tools/run-make-support/src/clang.rs @@ -30,11 +30,11 @@ impl Clang { self } - /// Specify the name of the executable. The executable will be placed under `$TMPDIR`, and the - /// extension will be determined by [`bin_name`]. + /// Specify the name of the executable. The executable will be placed under the current directory + /// and the extension will be determined by [`bin_name`]. pub fn out_exe(&mut self, name: &str) -> &mut Self { self.cmd.arg("-o"); - self.cmd.arg(tmp_dir().join(bin_name(name))); + self.cmd.arg(bin_name(name)); self } diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index 2b5d983faa31..c4b74ce08845 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -45,11 +45,6 @@ pub fn env_var_os(name: &str) -> OsString { } } -/// Path of `TMPDIR` (a temporary build directory, not under `/tmp`). -pub fn tmp_dir() -> PathBuf { - env_var_os("TMPDIR").into() -} - /// `TARGET` pub fn target() -> String { env_var("TARGET") @@ -73,7 +68,7 @@ pub fn is_darwin() -> bool { /// Construct a path to a static library under `$TMPDIR` given the library name. This will return a /// path with `$TMPDIR` joined with platform-and-compiler-specific library name. pub fn static_lib(name: &str) -> PathBuf { - tmp_dir().join(static_lib_name(name)) + PathBuf::from(static_lib_name(name)) } pub fn python_command() -> Command { @@ -119,7 +114,7 @@ pub fn static_lib_name(name: &str) -> String { /// Construct a path to a dynamic library under `$TMPDIR` given the library name. This will return a /// path with `$TMPDIR` joined with platform-and-compiler-specific library name. pub fn dynamic_lib(name: &str) -> PathBuf { - tmp_dir().join(dynamic_lib_name(name)) + PathBuf::from(dynamic_lib_name(name)) } /// Construct the dynamic library name based on the platform. @@ -162,7 +157,7 @@ pub fn dynamic_lib_extension() -> &'static str { /// Construct a path to a rust library (rlib) under `$TMPDIR` given the library name. This will return a /// path with `$TMPDIR` joined with the library name. pub fn rust_lib(name: &str) -> PathBuf { - tmp_dir().join(rust_lib_name(name)) + PathBuf::from(rust_lib_name(name)) } /// Generate the name a rust library (rlib) would have. If you want the complete path, use diff --git a/src/tools/run-make-support/src/run.rs b/src/tools/run-make-support/src/run.rs index 8d8eafba99b7..20fc29650f87 100644 --- a/src/tools/run-make-support/src/run.rs +++ b/src/tools/run-make-support/src/run.rs @@ -8,13 +8,13 @@ use super::handle_failed_output; fn run_common(name: &str) -> (Command, Output) { let mut bin_path = PathBuf::new(); - bin_path.push(env_var("TMPDIR")); + bin_path.push(env::current_dir().unwrap()); bin_path.push(name); let ld_lib_path_envvar = env_var("LD_LIB_PATH_ENVVAR"); let mut cmd = Command::new(bin_path); cmd.env(&ld_lib_path_envvar, { let mut paths = vec![]; - paths.push(PathBuf::from(env_var("TMPDIR"))); + paths.push(env::current_dir().unwrap()); for p in env::split_paths(&env_var("TARGET_RPATH_ENV")) { paths.push(p.to_path_buf()); } From d86c9819087fbc64b7d0a638b2fd8584831bb661 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Thu, 6 Jun 2024 21:34:34 +0200 Subject: [PATCH 1142/1716] Remove all usages of `tmp_dir` from tests --- src/tools/run-make-support/src/cc.rs | 4 +--- src/tools/run-make-support/src/clang.rs | 2 +- src/tools/run-make-support/src/lib.rs | 5 +++++ tests/run-make/CURRENT_RUSTC_VERSION/rmake.rs | 10 +++++----- .../artifact-incr-cache-no-obj/rmake.rs | 6 ++---- tests/run-make/artifact-incr-cache/rmake.rs | 6 ++---- tests/run-make/box-struct-no-segfault/rmake.rs | 4 ++-- tests/run-make/c-link-to-rust-dylib/rmake.rs | 14 ++++---------- tests/run-make/cdylib/rmake.rs | 10 +++------- tests/run-make/compiler-builtins/Cargo.toml | 7 +++++++ tests/run-make/compiler-builtins/lib.rs | 1 + tests/run-make/compiler-builtins/rmake.rs | 18 +++--------------- tests/run-make/const-prop-lint/rmake.rs | 4 ++-- tests/run-make/core-no-oom-handling/rmake.rs | 4 ++-- .../run-make/cross-lang-lto-riscv-abi/rmake.rs | 6 +++--- tests/run-make/deref-impl-rustdoc-ice/rmake.rs | 4 ++-- tests/run-make/doctests-keep-binaries/rmake.rs | 14 ++++++-------- tests/run-make/doctests-runtool/rmake.rs | 8 +++----- tests/run-make/emit-named-files/rmake.rs | 4 ++-- tests/run-make/exit-code/rmake.rs | 4 ++-- .../rmake.rs | 4 ++-- .../incr-prev-body-beyond-eof/rmake.rs | 14 +++++++------- .../issue-107495-archive-permissions/rmake.rs | 4 ++-- .../issue-125484-used-dependencies/rmake.rs | 4 ++-- tests/run-make/manual-crate-name/rmake.rs | 5 +++-- tests/run-make/mixing-formats/rmake.rs | 2 +- tests/run-make/no-intermediate-extras/rmake.rs | 4 ++-- tests/run-make/non-pie-thread-local/rmake.rs | 6 +++--- .../non-unicode-in-incremental-dir/rmake.rs | 8 ++++---- .../notify-all-emit-artifacts/rmake.rs | 8 +++----- tests/run-make/panic-impl-transitive/rmake.rs | 9 ++------- tests/run-make/print-cfg/rmake.rs | 6 +++--- tests/run-make/print-to-output/rmake.rs | 5 +++-- tests/run-make/repr128-dwarf/rmake.rs | 8 ++++---- tests/run-make/reset-codegen-1/rmake.rs | 4 ++-- tests/run-make/resolve-rename/rmake.rs | 5 ++--- tests/run-make/rustdoc-determinism/rmake.rs | 7 ++++--- tests/run-make/rustdoc-map-file/rmake.rs | 4 ++-- tests/run-make/rustdoc-output-path/rmake.rs | 5 +++-- .../rustdoc-scrape-examples-macros/rmake.rs | 11 +++++------ .../rustdoc-scrape-examples-remap/scrape.rs | 7 +++---- .../rustdoc-target-spec-json-path/rmake.rs | 6 +++--- tests/run-make/rustdoc-test-args/rmake.rs | 6 +++--- tests/run-make/rustdoc-themes/rmake.rs | 7 ++++--- .../rustdoc-verify-output-files/rmake.rs | 6 +++--- .../rustdoc-with-out-dir-option/rmake.rs | 4 ++-- .../rustdoc-with-output-option/rmake.rs | 4 ++-- .../rustdoc-with-short-out-dir-option/rmake.rs | 4 ++-- tests/run-make/stdin-rustc/rmake.rs | 9 +++++---- tests/run-make/stdin-rustdoc/rmake.rs | 6 +++--- tests/run-make/wasm-abi/rmake.rs | 4 ++-- tests/run-make/wasm-custom-section/rmake.rs | 4 ++-- .../run-make/wasm-custom-sections-opt/rmake.rs | 4 ++-- .../run-make/wasm-export-all-symbols/rmake.rs | 9 +++------ tests/run-make/wasm-import-module/rmake.rs | 4 ++-- tests/run-make/wasm-panic-small/rmake.rs | 4 ++-- tests/run-make/wasm-spurious-import/rmake.rs | 4 ++-- .../wasm-stringify-ints-small/rmake.rs | 4 ++-- .../wasm-symbols-different-module/rmake.rs | 4 ++-- .../wasm-symbols-not-exported/rmake.rs | 10 +++++----- .../wasm-symbols-not-imported/rmake.rs | 10 +++++----- .../windows-binary-no-external-deps/rmake.rs | 4 ++-- tests/run-make/windows-spawn/rmake.rs | 5 ++--- tests/run-make/windows-ws2_32/rmake.rs | 5 ++--- 64 files changed, 182 insertions(+), 210 deletions(-) create mode 100644 tests/run-make/compiler-builtins/Cargo.toml create mode 100644 tests/run-make/compiler-builtins/lib.rs diff --git a/src/tools/run-make-support/src/cc.rs b/src/tools/run-make-support/src/cc.rs index 798f0b4c23b5..b33004974bf3 100644 --- a/src/tools/run-make-support/src/cc.rs +++ b/src/tools/run-make-support/src/cc.rs @@ -1,9 +1,7 @@ use std::path::Path; use std::process::Command; -use crate::{ - bin_name, cygpath_windows, env_var, handle_failed_output, is_msvc, is_windows, tmp_dir, uname, -}; +use crate::{bin_name, cygpath_windows, env_var, handle_failed_output, is_msvc, is_windows, uname}; /// Construct a new platform-specific C compiler invocation. /// diff --git a/src/tools/run-make-support/src/clang.rs b/src/tools/run-make-support/src/clang.rs index f3c2a7446424..7d9246b52227 100644 --- a/src/tools/run-make-support/src/clang.rs +++ b/src/tools/run-make-support/src/clang.rs @@ -1,7 +1,7 @@ use std::path::Path; use std::process::Command; -use crate::{bin_name, env_var, handle_failed_output, tmp_dir}; +use crate::{bin_name, env_var, handle_failed_output}; /// Construct a new `clang` invocation. `clang` is not always available for all targets. pub fn clang() -> Clang { diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index c4b74ce08845..d4b02a81a4f6 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -171,6 +171,11 @@ pub fn bin_name(name: &str) -> String { if is_windows() { format!("{name}.exe") } else { name.to_string() } } +/// Return the current working directory. +pub fn cwd() -> PathBuf { + env::current_dir().unwrap() +} + /// Use `cygpath -w` on a path to get a Windows path string back. This assumes that `cygpath` is /// available on the platform! #[track_caller] diff --git a/tests/run-make/CURRENT_RUSTC_VERSION/rmake.rs b/tests/run-make/CURRENT_RUSTC_VERSION/rmake.rs index 1bdb63475712..b411eab10c47 100644 --- a/tests/run-make/CURRENT_RUSTC_VERSION/rmake.rs +++ b/tests/run-make/CURRENT_RUSTC_VERSION/rmake.rs @@ -10,11 +10,11 @@ use run_make_support::{aux_build, rustc}; fn main() { aux_build().input("stable.rs").emit("metadata").run(); - let mut stable_path = PathBuf::from(env!("TMPDIR")); - stable_path.push("libstable.rmeta"); - - let output = - rustc().input("main.rs").emit("metadata").extern_("stable", &stable_path).command_output(); + let output = rustc() + .input("main.rs") + .emit("metadata") + .extern_("stable", "libstable.rmeta") + .command_output(); let stderr = String::from_utf8_lossy(&output.stderr); let version = include_str!(concat!(env!("S"), "/src/version")); diff --git a/tests/run-make/artifact-incr-cache-no-obj/rmake.rs b/tests/run-make/artifact-incr-cache-no-obj/rmake.rs index 6613698ae1df..d5bc46dff470 100644 --- a/tests/run-make/artifact-incr-cache-no-obj/rmake.rs +++ b/tests/run-make/artifact-incr-cache-no-obj/rmake.rs @@ -5,17 +5,15 @@ // // Fixes: rust-lang/rust#123234 -use run_make_support::{rustc, tmp_dir}; +use run_make_support::rustc; fn main() { - let inc_dir = tmp_dir(); - for _ in 0..=1 { rustc() .input("lib.rs") .crate_type("lib") .emit("asm,dep-info,link,mir,llvm-ir,llvm-bc") - .incremental(&inc_dir) + .incremental("incremental") .run(); } } diff --git a/tests/run-make/artifact-incr-cache/rmake.rs b/tests/run-make/artifact-incr-cache/rmake.rs index 106f363eb8da..b4b63313cfc4 100644 --- a/tests/run-make/artifact-incr-cache/rmake.rs +++ b/tests/run-make/artifact-incr-cache/rmake.rs @@ -7,17 +7,15 @@ // Also see discussion at // -use run_make_support::{rustc, tmp_dir}; +use run_make_support::rustc; fn main() { - let inc_dir = tmp_dir(); - for _ in 0..=1 { rustc() .input("lib.rs") .crate_type("lib") .emit("obj,asm,dep-info,link,mir,llvm-ir,llvm-bc") - .incremental(&inc_dir) + .incremental("incremental") .run(); } } diff --git a/tests/run-make/box-struct-no-segfault/rmake.rs b/tests/run-make/box-struct-no-segfault/rmake.rs index 5406f765e6c5..1bbefd03541a 100644 --- a/tests/run-make/box-struct-no-segfault/rmake.rs +++ b/tests/run-make/box-struct-no-segfault/rmake.rs @@ -5,9 +5,9 @@ // This test checks that this bug does not resurface. // See https://github.com/rust-lang/rust/issues/28766 -use run_make_support::{rustc, tmp_dir}; +use run_make_support::rustc; fn main() { rustc().opt().input("foo.rs").run(); - rustc().opt().library_search_path(tmp_dir()).input("main.rs").run(); + rustc().opt().input("main.rs").run(); } diff --git a/tests/run-make/c-link-to-rust-dylib/rmake.rs b/tests/run-make/c-link-to-rust-dylib/rmake.rs index 5c4b6d786496..37a326099d21 100644 --- a/tests/run-make/c-link-to-rust-dylib/rmake.rs +++ b/tests/run-make/c-link-to-rust-dylib/rmake.rs @@ -5,29 +5,23 @@ use std::fs::remove_file; -use run_make_support::{ - cc, dynamic_lib_extension, is_msvc, read_dir, run, run_fail, rustc, tmp_dir, -}; +use run_make_support::{cc, cwd, dynamic_lib_extension, is_msvc, read_dir, run, run_fail, rustc}; fn main() { rustc().input("foo.rs").run(); if is_msvc() { - let lib = tmp_dir().join("foo.dll.lib"); + let lib = "foo.dll.lib"; cc().input("bar.c").arg(lib).out_exe("bar").run(); } else { - cc().input("bar.c") - .arg("-lfoo") - .output(tmp_dir().join("bar")) - .library_search_path(tmp_dir()) - .run(); + cc().input("bar.c").arg("-lfoo").output("bar").library_search_path(cwd()).run(); } run("bar"); let expected_extension = dynamic_lib_extension(); - read_dir(tmp_dir(), |path| { + read_dir(std::env::current_dir().unwrap(), |path| { if path.is_file() && path.extension().is_some_and(|ext| ext == expected_extension) && path.file_name().and_then(|name| name.to_str()).is_some_and(|name| { diff --git a/tests/run-make/cdylib/rmake.rs b/tests/run-make/cdylib/rmake.rs index fcb4f56621f6..1920f618473b 100644 --- a/tests/run-make/cdylib/rmake.rs +++ b/tests/run-make/cdylib/rmake.rs @@ -12,20 +12,16 @@ use std::fs::remove_file; -use run_make_support::{cc, dynamic_lib, is_msvc, run, rustc, tmp_dir}; +use run_make_support::{cc, cwd, dynamic_lib, is_msvc, run, rustc}; fn main() { rustc().input("bar.rs").run(); rustc().input("foo.rs").run(); if is_msvc() { - cc().input("foo.c").arg(tmp_dir().join("foo.dll.lib")).out_exe("foo").run(); + cc().input("foo.c").arg("foo.dll.lib").out_exe("foo").run(); } else { - cc().input("foo.c") - .arg("-lfoo") - .output(tmp_dir().join("foo")) - .library_search_path(tmp_dir()) - .run(); + cc().input("foo.c").arg("-lfoo").library_search_path(cwd()).output("foo").run(); } run("foo"); diff --git a/tests/run-make/compiler-builtins/Cargo.toml b/tests/run-make/compiler-builtins/Cargo.toml new file mode 100644 index 000000000000..869210c4a683 --- /dev/null +++ b/tests/run-make/compiler-builtins/Cargo.toml @@ -0,0 +1,7 @@ +[package] +name = "scratch" +version = "0.1.0" +edition = "2021" + +[lib] +path = "lib.rs" diff --git a/tests/run-make/compiler-builtins/lib.rs b/tests/run-make/compiler-builtins/lib.rs new file mode 100644 index 000000000000..0c9ac1ac8e4b --- /dev/null +++ b/tests/run-make/compiler-builtins/lib.rs @@ -0,0 +1 @@ +#![no_std] diff --git a/tests/run-make/compiler-builtins/rmake.rs b/tests/run-make/compiler-builtins/rmake.rs index b043b149d650..309d3a04b21c 100644 --- a/tests/run-make/compiler-builtins/rmake.rs +++ b/tests/run-make/compiler-builtins/rmake.rs @@ -20,29 +20,17 @@ use run_make_support::object::ObjectSection; use run_make_support::object::ObjectSymbol; use run_make_support::object::RelocationTarget; use run_make_support::set_host_rpath; -use run_make_support::tmp_dir; use run_make_support::{env_var, object}; use std::collections::HashSet; - -const MANIFEST: &str = r#" -[package] -name = "scratch" -version = "0.1.0" -edition = "2021" - -[lib] -path = "lib.rs""#; +use std::path::PathBuf; fn main() { - let target_dir = tmp_dir().join("target"); + let target_dir = PathBuf::from("target"); let target = env_var("TARGET"); println!("Testing compiler_builtins for {}", target); - // Set up the tiniest Cargo project: An empty no_std library. Just enough to run -Zbuild-std. - let manifest_path = tmp_dir().join("Cargo.toml"); - std::fs::write(&manifest_path, MANIFEST.as_bytes()).unwrap(); - std::fs::write(tmp_dir().join("lib.rs"), b"#![no_std]").unwrap(); + let manifest_path = PathBuf::from("Cargo.toml"); let path = env_var("PATH"); let rustc = env_var("RUSTC"); diff --git a/tests/run-make/const-prop-lint/rmake.rs b/tests/run-make/const-prop-lint/rmake.rs index fa27a18a591a..c2d3e1ab1366 100644 --- a/tests/run-make/const-prop-lint/rmake.rs +++ b/tests/run-make/const-prop-lint/rmake.rs @@ -2,12 +2,12 @@ use std::fs; -use run_make_support::{rustc, tmp_dir}; +use run_make_support::rustc; fn main() { rustc().input("input.rs").run_fail_assert_exit_code(1); - for entry in fs::read_dir(tmp_dir()).unwrap() { + for entry in fs::read_dir(std::env::current_dir().unwrap()).unwrap() { let entry = entry.unwrap(); let path = entry.path(); diff --git a/tests/run-make/core-no-oom-handling/rmake.rs b/tests/run-make/core-no-oom-handling/rmake.rs index 3ebbf63ab7d6..a9e2b33e2107 100644 --- a/tests/run-make/core-no-oom-handling/rmake.rs +++ b/tests/run-make/core-no-oom-handling/rmake.rs @@ -2,7 +2,7 @@ // when the no_global_oom_handling feature is turned on. // See https://github.com/rust-lang/rust/pull/110649 -use run_make_support::{rustc, source_root, tmp_dir}; +use run_make_support::{rustc, source_root}; fn main() { rustc() @@ -10,7 +10,7 @@ fn main() { .arg("-Dwarnings") .crate_type("rlib") .input(source_root().join("library/core/src/lib.rs")) - .sysroot(tmp_dir().join("fakeroot")) + .sysroot("fakeroot") .cfg("no_global_oom_handling") .run(); } diff --git a/tests/run-make/cross-lang-lto-riscv-abi/rmake.rs b/tests/run-make/cross-lang-lto-riscv-abi/rmake.rs index 61f32762d8b7..04afc92bf7e9 100644 --- a/tests/run-make/cross-lang-lto-riscv-abi/rmake.rs +++ b/tests/run-make/cross-lang-lto-riscv-abi/rmake.rs @@ -3,7 +3,7 @@ //@ needs-matching-clang //@ needs-llvm-components riscv -use run_make_support::{bin_name, clang, llvm_readobj, rustc, tmp_dir}; +use run_make_support::{bin_name, clang, llvm_readobj, rustc}; use std::{ env, path::PathBuf, @@ -30,11 +30,11 @@ fn check_target(target: &str, clang_target: &str, carch: &str, is_double_float: .no_stdlib() .out_exe("riscv-xlto") .input("cstart.c") - .input(tmp_dir().join("libriscv_xlto.rlib")) + .input("libriscv_xlto.rlib") .run(); // Check that the built binary has correct float abi - let executable = tmp_dir().join(bin_name("riscv-xlto")); + let executable = bin_name("riscv-xlto"); let output = llvm_readobj().input(&executable).file_header().run(); let stdout = String::from_utf8_lossy(&output.stdout); eprintln!("obj:\n{}", stdout); diff --git a/tests/run-make/deref-impl-rustdoc-ice/rmake.rs b/tests/run-make/deref-impl-rustdoc-ice/rmake.rs index c2156de03a97..91fc0a9025fa 100644 --- a/tests/run-make/deref-impl-rustdoc-ice/rmake.rs +++ b/tests/run-make/deref-impl-rustdoc-ice/rmake.rs @@ -7,10 +7,10 @@ //@ ignore-cross-compile -use run_make_support::{rustc, rustdoc, tmp_dir}; +use run_make_support::{cwd, rustc, rustdoc}; fn main() { rustc().input("foo.rs").run(); rustc().input("bar.rs").run(); - rustdoc().input("baz.rs").library_search_path(tmp_dir()).output(tmp_dir()).run(); + rustdoc().input("baz.rs").library_search_path(cwd()).output(cwd()).run(); } diff --git a/tests/run-make/doctests-keep-binaries/rmake.rs b/tests/run-make/doctests-keep-binaries/rmake.rs index 0613ef4839b1..5bc9480e4a39 100644 --- a/tests/run-make/doctests-keep-binaries/rmake.rs +++ b/tests/run-make/doctests-keep-binaries/rmake.rs @@ -1,15 +1,15 @@ // Check that valid binaries are persisted by running them, regardless of whether the // --run or --no-run option is used. -use run_make_support::{run, rustc, rustdoc, tmp_dir}; +use run_make_support::{run, rustc, rustdoc}; use std::fs::{create_dir, remove_dir_all}; use std::path::Path; fn setup_test_env(callback: F) { - let out_dir = tmp_dir().join("doctests"); + let out_dir = Path::new("doctests"); create_dir(&out_dir).expect("failed to create doctests folder"); rustc().input("t.rs").crate_type("rlib").run(); - callback(&out_dir, &tmp_dir().join("libt.rlib")); + callback(&out_dir, Path::new("libt.rlib")); remove_dir_all(out_dir); } @@ -44,19 +44,17 @@ fn main() { }); // Behavior with --test-run-directory with relative paths. setup_test_env(|_out_dir, extern_path| { - let run_dir = "rundir"; - let run_dir_path = tmp_dir().join("rundir"); + let run_dir_path = Path::new("rundir"); create_dir(&run_dir_path).expect("failed to create rundir folder"); rustdoc() - .current_dir(tmp_dir()) - .input(std::env::current_dir().unwrap().join("t.rs")) + .input("t.rs") .arg("-Zunstable-options") .arg("--test") .arg("--persist-doctests") .arg("doctests") .arg("--test-run-directory") - .arg(run_dir) + .arg(run_dir_path) .extern_("t", "libt.rlib") .run(); diff --git a/tests/run-make/doctests-runtool/rmake.rs b/tests/run-make/doctests-runtool/rmake.rs index 6cc7c6bbdafd..6a7a931249e8 100644 --- a/tests/run-make/doctests-runtool/rmake.rs +++ b/tests/run-make/doctests-runtool/rmake.rs @@ -1,12 +1,11 @@ // Tests behavior of rustdoc `--runtool`. -use run_make_support::{rustc, rustdoc, tmp_dir}; -use std::env::current_dir; +use run_make_support::{rustc, rustdoc}; use std::fs::{create_dir, remove_dir_all}; use std::path::PathBuf; fn mkdir(name: &str) -> PathBuf { - let dir = tmp_dir().join(name); + let dir = PathBuf::from(name); create_dir(&dir).expect("failed to create doctests folder"); dir } @@ -22,7 +21,7 @@ fn main() { rustc().input("runtool.rs").output(&run_tool_binary).run(); rustdoc() - .input(current_dir().unwrap().join("t.rs")) + .input("t.rs") .arg("-Zunstable-options") .arg("--test") .arg("--test-run-directory") @@ -30,7 +29,6 @@ fn main() { .arg("--runtool") .arg(&run_tool_binary) .extern_("t", "libt.rlib") - .current_dir(tmp_dir()) .run(); remove_dir_all(run_dir); diff --git a/tests/run-make/emit-named-files/rmake.rs b/tests/run-make/emit-named-files/rmake.rs index 068f9796d0e9..c4b7b9aebf6c 100644 --- a/tests/run-make/emit-named-files/rmake.rs +++ b/tests/run-make/emit-named-files/rmake.rs @@ -1,7 +1,7 @@ use std::fs::create_dir; use std::path::Path; -use run_make_support::{rustc, tmp_dir}; +use run_make_support::rustc; fn emit_and_check(out_dir: &Path, out_file: &str, format: &str) { let out_file = out_dir.join(out_file); @@ -10,7 +10,7 @@ fn emit_and_check(out_dir: &Path, out_file: &str, format: &str) { } fn main() { - let out_dir = tmp_dir().join("emit"); + let out_dir = Path::new("emit"); create_dir(&out_dir).unwrap(); diff --git a/tests/run-make/exit-code/rmake.rs b/tests/run-make/exit-code/rmake.rs index 76d7777581b5..6bf7a232642d 100644 --- a/tests/run-make/exit-code/rmake.rs +++ b/tests/run-make/exit-code/rmake.rs @@ -1,6 +1,6 @@ // Test that we exit with the correct exit code for successful / unsuccessful / ICE compilations -use run_make_support::{rustc, rustdoc, tmp_dir}; +use run_make_support::{rustc, rustdoc}; fn main() { rustc().arg("success.rs").run(); @@ -15,7 +15,7 @@ fn main() { .arg("compile-error.rs") .run_fail_assert_exit_code(101); - rustdoc().arg("success.rs").output(tmp_dir().join("exit-code")).run(); + rustdoc().arg("success.rs").output("exit-code").run(); rustdoc().arg("--invalid-arg-foo").run_fail_assert_exit_code(1); diff --git a/tests/run-make/external-crate-panic-handle-no-lint/rmake.rs b/tests/run-make/external-crate-panic-handle-no-lint/rmake.rs index de4023282ef6..e54ef53e3dcb 100644 --- a/tests/run-make/external-crate-panic-handle-no-lint/rmake.rs +++ b/tests/run-make/external-crate-panic-handle-no-lint/rmake.rs @@ -4,9 +4,9 @@ // and cause the test to fail. // See https://github.com/rust-lang/rust/issues/53964 -use run_make_support::{rustc, tmp_dir}; +use run_make_support::rustc; fn main() { rustc().input("panic.rs").run(); - rustc().input("app.rs").panic("abort").emit("obj").library_search_path(tmp_dir()).run(); + rustc().input("app.rs").panic("abort").emit("obj").run(); } diff --git a/tests/run-make/incr-prev-body-beyond-eof/rmake.rs b/tests/run-make/incr-prev-body-beyond-eof/rmake.rs index 8aa3893727f6..ccb1f95275e2 100644 --- a/tests/run-make/incr-prev-body-beyond-eof/rmake.rs +++ b/tests/run-make/incr-prev-body-beyond-eof/rmake.rs @@ -13,15 +13,15 @@ //@ ignore-nvptx64-nvidia-cuda // FIXME: can't find crate for `std` -use run_make_support::{rustc, tmp_dir}; +use run_make_support::rustc; use std::fs; fn main() { // FIXME(Oneirical): Use run_make_support::fs_wrapper here. - fs::create_dir(tmp_dir().join("src")).unwrap(); - fs::create_dir(tmp_dir().join("incr")).unwrap(); - fs::copy("a.rs", tmp_dir().join("src/main.rs")).unwrap(); - rustc().incremental(tmp_dir().join("incr")).input(tmp_dir().join("src/main.rs")).run(); - fs::copy("b.rs", tmp_dir().join("src/main.rs")).unwrap(); - rustc().incremental(tmp_dir().join("incr")).input(tmp_dir().join("src/main.rs")).run(); + fs::create_dir("src").unwrap(); + fs::create_dir("incr").unwrap(); + fs::copy("a.rs", "src/main.rs").unwrap(); + rustc().incremental("incr").input("src/main.rs").run(); + fs::copy("b.rs", "src/main.rs").unwrap(); + rustc().incremental("incr").input("src/main.rs").run(); } diff --git a/tests/run-make/issue-107495-archive-permissions/rmake.rs b/tests/run-make/issue-107495-archive-permissions/rmake.rs index db25e9b033c1..72ceb10c5911 100644 --- a/tests/run-make/issue-107495-archive-permissions/rmake.rs +++ b/tests/run-make/issue-107495-archive-permissions/rmake.rs @@ -3,7 +3,7 @@ #[cfg(unix)] extern crate libc; -use run_make_support::{aux_build, tmp_dir}; +use run_make_support::aux_build; use std::fs; #[cfg(unix)] use std::os::unix::fs::PermissionsExt; @@ -16,7 +16,7 @@ fn main() { } aux_build().arg("foo.rs").run(); - verify(&tmp_dir().join("libfoo.rlib")); + verify(Path::new("libfoo.rlib")); } fn verify(path: &Path) { diff --git a/tests/run-make/issue-125484-used-dependencies/rmake.rs b/tests/run-make/issue-125484-used-dependencies/rmake.rs index b75e82b42db7..bc0a18de66e7 100644 --- a/tests/run-make/issue-125484-used-dependencies/rmake.rs +++ b/tests/run-make/issue-125484-used-dependencies/rmake.rs @@ -6,7 +6,7 @@ // make compiletest annotations reproduce the ICE with the minimizations from issues #125474 and // #125484. -use run_make_support::{rustc, tmp_dir}; +use run_make_support::rustc; fn main() { // The dependency is not itself significant, apart from sharing a name with one of main's @@ -14,5 +14,5 @@ fn main() { rustc().crate_name("same").crate_type("rlib").input("dependency.rs").run(); // Here, an ICE would happen when building the linker command. - rustc().input("main.rs").extern_("same", tmp_dir().join("libsame.rlib")).run(); + rustc().input("main.rs").extern_("same", "libsame.rlib").run(); } diff --git a/tests/run-make/manual-crate-name/rmake.rs b/tests/run-make/manual-crate-name/rmake.rs index 531f531abd26..f171f78087c5 100644 --- a/tests/run-make/manual-crate-name/rmake.rs +++ b/tests/run-make/manual-crate-name/rmake.rs @@ -1,6 +1,7 @@ -use run_make_support::{rustc, tmp_dir}; +use run_make_support::rustc; +use std::path::Path; fn main() { rustc().input("bar.rs").crate_name("foo").run(); - assert!(tmp_dir().join("libfoo.rlib").is_file()); + assert!(Path::new("libfoo.rlib").is_file()); } diff --git a/tests/run-make/mixing-formats/rmake.rs b/tests/run-make/mixing-formats/rmake.rs index 9d072d9a6e4f..444751419d74 100644 --- a/tests/run-make/mixing-formats/rmake.rs +++ b/tests/run-make/mixing-formats/rmake.rs @@ -12,7 +12,7 @@ //@ ignore-cross-compile -use run_make_support::{rustc, tmp_dir, run_in_tmpdir}; +use run_make_support::{run_in_tmpdir, rustc}; use std::fs; fn main() { diff --git a/tests/run-make/no-intermediate-extras/rmake.rs b/tests/run-make/no-intermediate-extras/rmake.rs index 19479e3bd5b5..0641417504ef 100644 --- a/tests/run-make/no-intermediate-extras/rmake.rs +++ b/tests/run-make/no-intermediate-extras/rmake.rs @@ -5,13 +5,13 @@ //@ ignore-cross-compile -use run_make_support::{rustc, tmp_dir}; +use run_make_support::rustc; use std::fs; fn main() { rustc().crate_type("rlib").arg("--test").input("foo.rs").run(); assert!( - fs::remove_file(tmp_dir().join("foo.bc")).is_err(), + fs::remove_file("foo.bc").is_err(), "An unwanted .bc file was created by run-make/no-intermediate-extras." ); } diff --git a/tests/run-make/non-pie-thread-local/rmake.rs b/tests/run-make/non-pie-thread-local/rmake.rs index 1ef447e78601..1758f1a0855b 100644 --- a/tests/run-make/non-pie-thread-local/rmake.rs +++ b/tests/run-make/non-pie-thread-local/rmake.rs @@ -7,13 +7,13 @@ //@ ignore-cross-compile //@ only-linux -use run_make_support::{cc, run, rustc, tmp_dir}; +use run_make_support::{cc, cwd, run, rustc}; fn main() { rustc().input("foo.rs").run(); cc().input("foo.c") .arg("-lfoo") - .library_search_path(tmp_dir()) + .library_search_path(cwd()) .arg("-Wl,--gc-sections") .arg("-lpthread") .arg("-ldl") @@ -22,7 +22,7 @@ fn main() { run("foo"); cc().input("foo.c") .arg("-lfoo") - .library_search_path(tmp_dir()) + .library_search_path(cwd()) .arg("-Wl,--gc-sections") .arg("-lpthread") .arg("-ldl") diff --git a/tests/run-make/non-unicode-in-incremental-dir/rmake.rs b/tests/run-make/non-unicode-in-incremental-dir/rmake.rs index 40152e0411d3..ba1bd4487439 100644 --- a/tests/run-make/non-unicode-in-incremental-dir/rmake.rs +++ b/tests/run-make/non-unicode-in-incremental-dir/rmake.rs @@ -1,21 +1,21 @@ -use run_make_support::{rustc, tmp_dir}; +use run_make_support::rustc; fn main() { #[cfg(unix)] let non_unicode: &std::ffi::OsStr = std::os::unix::ffi::OsStrExt::from_bytes(&[0xFF]); #[cfg(windows)] let non_unicode: std::ffi::OsString = std::os::windows::ffi::OsStringExt::from_wide(&[0xD800]); - match std::fs::create_dir(tmp_dir().join(&non_unicode)) { + match std::fs::create_dir(&non_unicode) { // If an error occurs, check if creating a directory with a valid Unicode name would // succeed. - Err(e) if std::fs::create_dir(tmp_dir().join("valid_unicode")).is_ok() => { + Err(e) if std::fs::create_dir("valid_unicode").is_ok() => { // Filesystem doesn't appear support non-Unicode paths. return; } Err(e) => panic!("error creating non-Unicode directory: {e}"), _ => {} } - let incr_dir = tmp_dir().join("incr-dir"); + let incr_dir = "incr-dir"; rustc().input("foo.rs").incremental(&incr_dir).run(); for crate_dir in std::fs::read_dir(&incr_dir).unwrap() { std::fs::create_dir(crate_dir.unwrap().path().join(&non_unicode)).unwrap(); diff --git a/tests/run-make/notify-all-emit-artifacts/rmake.rs b/tests/run-make/notify-all-emit-artifacts/rmake.rs index c866d9179f94..6d966793c35e 100644 --- a/tests/run-make/notify-all-emit-artifacts/rmake.rs +++ b/tests/run-make/notify-all-emit-artifacts/rmake.rs @@ -6,11 +6,9 @@ // See extern crate run_make_support; -use run_make_support::{rustc, tmp_dir}; +use run_make_support::rustc; fn main() { - let inc_dir = tmp_dir(); - // With single codegen unit files are renamed to match the source file name for _ in 0..=1 { let output = rustc() @@ -19,7 +17,7 @@ fn main() { .codegen_units(1) .json("artifacts") .error_format("json") - .incremental(&inc_dir) + .incremental(&std::env::current_dir().unwrap()) .run(); let stderr = String::from_utf8_lossy(&output.stderr); for file in &["lib.o", "lib.ll", "lib.bc", "lib.s"] { @@ -35,7 +33,7 @@ fn main() { .codegen_units(2) .json("artifacts") .error_format("json") - .incremental(&inc_dir) + .incremental(&std::env::current_dir().unwrap()) .run(); let stderr = String::from_utf8_lossy(&output.stderr); for file in &["rcgu.o", "rcgu.ll", "rcgu.bc", "rcgu.s"] { diff --git a/tests/run-make/panic-impl-transitive/rmake.rs b/tests/run-make/panic-impl-transitive/rmake.rs index 86308f593b31..c09b233b23e1 100644 --- a/tests/run-make/panic-impl-transitive/rmake.rs +++ b/tests/run-make/panic-impl-transitive/rmake.rs @@ -6,14 +6,9 @@ // function in the crate. // See https://github.com/rust-lang/rust/pull/50338 -use run_make_support::{rustc, tmp_dir}; +use run_make_support::rustc; fn main() { rustc().input("panic-impl-provider.rs").run(); - rustc() - .input("panic-impl-consumer.rs") - .panic("abort") - .emit("llvm-ir") - .library_search_path(tmp_dir()) - .run(); + rustc().input("panic-impl-consumer.rs").panic("abort").emit("llvm-ir").run(); } diff --git a/tests/run-make/print-cfg/rmake.rs b/tests/run-make/print-cfg/rmake.rs index 6e72c16f1f9a..29cf0ba1b3fd 100644 --- a/tests/run-make/print-cfg/rmake.rs +++ b/tests/run-make/print-cfg/rmake.rs @@ -7,10 +7,10 @@ use std::collections::HashSet; use std::ffi::OsString; -use std::io::BufRead; use std::iter::FromIterator; +use std::path::PathBuf; -use run_make_support::{rustc, tmp_dir}; +use run_make_support::rustc; struct PrintCfg { target: &'static str, @@ -91,7 +91,7 @@ fn check(PrintCfg { target, includes, disallow }: PrintCfg) { // --print=cfg=PATH { - let tmp_path = tmp_dir().join(format!("{target}.cfg")); + let tmp_path = PathBuf::from(format!("{target}.cfg")); let mut print_arg = OsString::from("--print=cfg="); print_arg.push(tmp_path.as_os_str()); diff --git a/tests/run-make/print-to-output/rmake.rs b/tests/run-make/print-to-output/rmake.rs index 1763cd378d2d..b3f77e0633c4 100644 --- a/tests/run-make/print-to-output/rmake.rs +++ b/tests/run-make/print-to-output/rmake.rs @@ -2,8 +2,9 @@ //! output to a file (instead of stdout) use std::ffi::OsString; +use std::path::PathBuf; -use run_make_support::{rustc, target, tmp_dir}; +use run_make_support::{rustc, target}; struct Option<'a> { target: &'a str, @@ -46,7 +47,7 @@ fn check(args: Option) { // --print={option}=PATH let output = { - let tmp_path = tmp_dir().join(format!("{}.txt", args.option)); + let tmp_path = PathBuf::from(format!("{}.txt", args.option)); let mut print_arg = OsString::from(format!("--print={}=", args.option)); print_arg.push(tmp_path.as_os_str()); diff --git a/tests/run-make/repr128-dwarf/rmake.rs b/tests/run-make/repr128-dwarf/rmake.rs index fd5dd8104441..27e32099396b 100644 --- a/tests/run-make/repr128-dwarf/rmake.rs +++ b/tests/run-make/repr128-dwarf/rmake.rs @@ -1,15 +1,15 @@ //@ ignore-windows // This test should be replaced with one in tests/debuginfo once GDB or LLDB support 128-bit enums. -use gimli::{AttributeValue, Dwarf, EndianRcSlice, Reader, RunTimeEndian}; +use gimli::{AttributeValue, EndianRcSlice, Reader, RunTimeEndian}; use object::{Object, ObjectSection}; -use run_make_support::{gimli, object, rustc, tmp_dir}; -use std::borrow::Cow; +use run_make_support::{gimli, object, rustc}; use std::collections::HashMap; +use std::path::PathBuf; use std::rc::Rc; fn main() { - let output = tmp_dir().join("repr128"); + let output = PathBuf::from("repr128"); rustc().input("main.rs").output(&output).arg("-Cdebuginfo=2").run(); // Mach-O uses packed debug info let dsym_location = output diff --git a/tests/run-make/reset-codegen-1/rmake.rs b/tests/run-make/reset-codegen-1/rmake.rs index 4b91ba7df90b..c1385b2e015b 100644 --- a/tests/run-make/reset-codegen-1/rmake.rs +++ b/tests/run-make/reset-codegen-1/rmake.rs @@ -7,12 +7,12 @@ //@ ignore-cross-compile -use run_make_support::{rustc, tmp_dir}; +use run_make_support::rustc; use std::fs; fn compile(output_file: &str, emit: Option<&str>) { let mut rustc = rustc(); - let rustc = rustc.codegen_units(4).output(tmp_dir().join(output_file)).input("foo.rs"); + let rustc = rustc.codegen_units(4).output(output_file).input("foo.rs"); if let Some(emit) = emit { rustc.emit(emit); } diff --git a/tests/run-make/resolve-rename/rmake.rs b/tests/run-make/resolve-rename/rmake.rs index 8c6e3c24714e..a5f48c2bbccb 100644 --- a/tests/run-make/resolve-rename/rmake.rs +++ b/tests/run-make/resolve-rename/rmake.rs @@ -5,12 +5,11 @@ // the renamed library. // See https://github.com/rust-lang/rust/pull/49253 -use run_make_support::{rustc, tmp_dir}; +use run_make_support::rustc; use std::fs; fn main() { rustc().extra_filename("-hash").input("foo.rs").run(); rustc().input("bar.rs").run(); - fs::rename(tmp_dir().join("libfoo-hash.rlib"), tmp_dir().join("libfoo-another-hash.rlib")) - .unwrap(); + fs::rename("libfoo-hash.rlib", "libfoo-another-hash.rlib").unwrap(); rustc().input("baz.rs").run(); } diff --git a/tests/run-make/rustdoc-determinism/rmake.rs b/tests/run-make/rustdoc-determinism/rmake.rs index 09097d4507da..2d4f357d6819 100644 --- a/tests/run-make/rustdoc-determinism/rmake.rs +++ b/tests/run-make/rustdoc-determinism/rmake.rs @@ -1,14 +1,15 @@ // Assert that the search index is generated deterministically, regardless of the // order that crates are documented in. -use run_make_support::{diff, rustdoc, tmp_dir}; +use run_make_support::{diff, rustdoc}; +use std::path::Path; fn main() { - let foo_first = tmp_dir().join("foo_first"); + let foo_first = Path::new("foo_first"); rustdoc().input("foo.rs").output(&foo_first).run(); rustdoc().input("bar.rs").output(&foo_first).run(); - let bar_first = tmp_dir().join("bar_first"); + let bar_first = Path::new("bar_first"); rustdoc().input("bar.rs").output(&bar_first).run(); rustdoc().input("foo.rs").output(&bar_first).run(); diff --git a/tests/run-make/rustdoc-map-file/rmake.rs b/tests/run-make/rustdoc-map-file/rmake.rs index d017b41bcdd2..de75561c9fb3 100644 --- a/tests/run-make/rustdoc-map-file/rmake.rs +++ b/tests/run-make/rustdoc-map-file/rmake.rs @@ -1,7 +1,7 @@ -use run_make_support::{python_command, rustdoc, tmp_dir}; +use run_make_support::{python_command, rustdoc}; fn main() { - let out_dir = tmp_dir().join("out"); + let out_dir = "out"; rustdoc() .input("foo.rs") .arg("-Zunstable-options") diff --git a/tests/run-make/rustdoc-output-path/rmake.rs b/tests/run-make/rustdoc-output-path/rmake.rs index 74fb0a56ac63..28e0fd98f93c 100644 --- a/tests/run-make/rustdoc-output-path/rmake.rs +++ b/tests/run-make/rustdoc-output-path/rmake.rs @@ -1,9 +1,10 @@ // Checks that if the output folder doesn't exist, rustdoc will create it. -use run_make_support::{rustdoc, tmp_dir}; +use run_make_support::rustdoc; +use std::path::Path; fn main() { - let out_dir = tmp_dir().join("foo/bar/doc"); + let out_dir = Path::new("foo/bar/doc"); rustdoc().input("foo.rs").output(&out_dir).run(); assert!(out_dir.exists()); } diff --git a/tests/run-make/rustdoc-scrape-examples-macros/rmake.rs b/tests/run-make/rustdoc-scrape-examples-macros/rmake.rs index 81b7defafc6c..2daaab76e544 100644 --- a/tests/run-make/rustdoc-scrape-examples-macros/rmake.rs +++ b/tests/run-make/rustdoc-scrape-examples-macros/rmake.rs @@ -1,11 +1,10 @@ //@ ignore-cross-compile -use run_make_support::{htmldocck, rustc, rustdoc, tmp_dir}; +use run_make_support::{htmldocck, rustc, rustdoc}; fn main() { - let tmp_dir = tmp_dir(); - let out_dir = tmp_dir.join("rustdoc"); - let ex_dir = tmp_dir.join("ex.calls"); + let out_dir = "rustdoc"; + let ex_dir = "ex.calls"; let proc_crate_name = "foobar_macro"; let crate_name = "foobar"; @@ -41,8 +40,8 @@ fn main() { .crate_name("ex") .crate_type("bin") .output(&out_dir) - .extern_(crate_name, tmp_dir.join(format!("lib{crate_name}.rlib"))) - .extern_(proc_crate_name, tmp_dir.join(dylib_name.trim())) + .extern_(crate_name, format!("lib{crate_name}.rlib")) + .extern_(proc_crate_name, dylib_name.trim()) .arg("-Zunstable-options") .arg("--scrape-examples-output-path") .arg(&ex_dir) diff --git a/tests/run-make/rustdoc-scrape-examples-remap/scrape.rs b/tests/run-make/rustdoc-scrape-examples-remap/scrape.rs index b372c25447d0..41efb837458f 100644 --- a/tests/run-make/rustdoc-scrape-examples-remap/scrape.rs +++ b/tests/run-make/rustdoc-scrape-examples-remap/scrape.rs @@ -1,10 +1,9 @@ -use run_make_support::{htmldocck, rustc, rustdoc, source_root, tmp_dir}; +use run_make_support::{htmldocck, rustc, rustdoc, source_root}; use std::fs::read_dir; use std::path::Path; pub fn scrape(extra_args: &[&str]) { - let lib_dir = tmp_dir(); - let out_dir = tmp_dir().join("rustdoc"); + let out_dir = Path::new("rustdoc"); let crate_name = "foobar"; let deps = read_dir("examples") .unwrap() @@ -23,7 +22,7 @@ pub fn scrape(extra_args: &[&str]) { .crate_name(&dep_stem) .crate_type("bin") .output(&out_dir) - .extern_(crate_name, lib_dir.join(format!("lib{crate_name}.rmeta"))) + .extern_(crate_name, format!("lib{crate_name}.rmeta")) .arg("-Zunstable-options") .arg("--scrape-examples-output-path") .arg(&out_example) diff --git a/tests/run-make/rustdoc-target-spec-json-path/rmake.rs b/tests/run-make/rustdoc-target-spec-json-path/rmake.rs index 66530a4f08ee..3246fc565064 100644 --- a/tests/run-make/rustdoc-target-spec-json-path/rmake.rs +++ b/tests/run-make/rustdoc-target-spec-json-path/rmake.rs @@ -1,14 +1,14 @@ // Test that rustdoc will properly canonicalize the target spec json path just like rustc. -use run_make_support::{rustc, rustdoc, tmp_dir}; +use run_make_support::{cwd, rustc, rustdoc}; fn main() { - let out_dir = tmp_dir().join("rustdoc-target-spec-json-path"); + let out_dir = "rustdoc-target-spec-json-path"; rustc().crate_type("lib").input("dummy_core.rs").target("target.json").run(); rustdoc() .input("my_crate.rs") .output(out_dir) - .library_search_path(tmp_dir()) + .library_search_path(cwd()) .target("target.json") .run(); } diff --git a/tests/run-make/rustdoc-test-args/rmake.rs b/tests/run-make/rustdoc-test-args/rmake.rs index 66f3f7cf131c..340ab022880e 100644 --- a/tests/run-make/rustdoc-test-args/rmake.rs +++ b/tests/run-make/rustdoc-test-args/rmake.rs @@ -1,4 +1,4 @@ -use run_make_support::{rustdoc, tmp_dir}; +use run_make_support::rustdoc; use std::path::Path; use std::{fs, iter}; @@ -8,8 +8,8 @@ fn generate_a_lot_of_cfgs(path: &Path) { } fn main() { - let arg_file = tmp_dir().join("args"); + let arg_file = Path::new("args"); generate_a_lot_of_cfgs(&arg_file); - rustdoc().out_dir(tmp_dir()).input("foo.rs").arg_file(&arg_file).arg("--test").run(); + rustdoc().input("foo.rs").arg_file(&arg_file).arg("--test").run(); } diff --git a/tests/run-make/rustdoc-themes/rmake.rs b/tests/run-make/rustdoc-themes/rmake.rs index d6ddd45b4a45..c28821b7628d 100644 --- a/tests/run-make/rustdoc-themes/rmake.rs +++ b/tests/run-make/rustdoc-themes/rmake.rs @@ -1,10 +1,11 @@ // Test that rustdoc will properly load in a theme file and display it in the theme selector. -use run_make_support::{htmldocck, rustdoc, source_root, tmp_dir}; +use run_make_support::{htmldocck, rustdoc, source_root}; +use std::path::Path; fn main() { - let out_dir = tmp_dir().join("rustdoc-themes"); - let test_css = out_dir.join("test.css"); + let out_dir = Path::new("rustdoc-themes"); + let test_css = "test.css"; let no_script = std::fs::read_to_string(source_root().join("src/librustdoc/html/static/css/noscript.css")) diff --git a/tests/run-make/rustdoc-verify-output-files/rmake.rs b/tests/run-make/rustdoc-verify-output-files/rmake.rs index 212e7eaba2d6..d2d12ae83a21 100644 --- a/tests/run-make/rustdoc-verify-output-files/rmake.rs +++ b/tests/run-make/rustdoc-verify-output-files/rmake.rs @@ -1,7 +1,7 @@ use std::fs::copy; use std::path::{Path, PathBuf}; -use run_make_support::{copy_dir_all, recursive_diff, rustdoc, tmp_dir}; +use run_make_support::{copy_dir_all, recursive_diff, rustdoc}; #[derive(PartialEq)] enum JsonOutput { @@ -19,8 +19,8 @@ fn generate_docs(out_dir: &Path, json_output: JsonOutput) { } fn main() { - let out_dir = tmp_dir().join("rustdoc"); - let tmp_out_dir = tmp_dir().join("tmp-rustdoc"); + let out_dir = PathBuf::from("rustdoc"); + let tmp_out_dir = PathBuf::from("tmp-rustdoc"); // Generate HTML docs. generate_docs(&out_dir, JsonOutput::No); diff --git a/tests/run-make/rustdoc-with-out-dir-option/rmake.rs b/tests/run-make/rustdoc-with-out-dir-option/rmake.rs index 86471093834f..405da8412ae2 100644 --- a/tests/run-make/rustdoc-with-out-dir-option/rmake.rs +++ b/tests/run-make/rustdoc-with-out-dir-option/rmake.rs @@ -1,7 +1,7 @@ -use run_make_support::{htmldocck, rustdoc, tmp_dir}; +use run_make_support::{htmldocck, rustdoc}; fn main() { - let out_dir = tmp_dir().join("rustdoc"); + let out_dir = "rustdoc"; rustdoc().input("src/lib.rs").crate_name("foobar").crate_type("lib").output(&out_dir).run(); assert!(htmldocck().arg(out_dir).arg("src/lib.rs").status().unwrap().success()); } diff --git a/tests/run-make/rustdoc-with-output-option/rmake.rs b/tests/run-make/rustdoc-with-output-option/rmake.rs index 1a009419273e..a3b1c8ca0dd4 100644 --- a/tests/run-make/rustdoc-with-output-option/rmake.rs +++ b/tests/run-make/rustdoc-with-output-option/rmake.rs @@ -1,7 +1,7 @@ -use run_make_support::{htmldocck, rustdoc, tmp_dir}; +use run_make_support::{htmldocck, rustdoc}; fn main() { - let out_dir = tmp_dir().join("rustdoc"); + let out_dir = "rustdoc"; rustdoc() .input("src/lib.rs") diff --git a/tests/run-make/rustdoc-with-short-out-dir-option/rmake.rs b/tests/run-make/rustdoc-with-short-out-dir-option/rmake.rs index 6206173ecf16..b536fbe23039 100644 --- a/tests/run-make/rustdoc-with-short-out-dir-option/rmake.rs +++ b/tests/run-make/rustdoc-with-short-out-dir-option/rmake.rs @@ -1,7 +1,7 @@ -use run_make_support::{htmldocck, rustdoc, tmp_dir}; +use run_make_support::{htmldocck, rustdoc}; fn main() { - let out_dir = tmp_dir().join("rustdoc"); + let out_dir = "rustdoc"; rustdoc() .input("src/lib.rs") diff --git a/tests/run-make/stdin-rustc/rmake.rs b/tests/run-make/stdin-rustc/rmake.rs index c07a6df4d84a..1869b1dcb8c0 100644 --- a/tests/run-make/stdin-rustc/rmake.rs +++ b/tests/run-make/stdin-rustc/rmake.rs @@ -1,6 +1,7 @@ //! This test checks rustc `-` (stdin) support -use run_make_support::{is_windows, rustc, tmp_dir}; +use run_make_support::{is_windows, rustc}; +use std::path::PathBuf; const HELLO_WORLD: &str = r#" fn main() { @@ -11,12 +12,12 @@ fn main() { const NOT_UTF8: &[u8] = &[0xff, 0xff, 0xff]; fn main() { - let out_dir = tmp_dir(); - // echo $HELLO_WORLD | rustc - rustc().arg("-").stdin(HELLO_WORLD).run(); assert!( - out_dir.join(if !is_windows() { "rust_out" } else { "rust_out.exe" }).try_exists().unwrap() + PathBuf::from(if !is_windows() { "rust_out" } else { "rust_out.exe" }) + .try_exists() + .unwrap() ); // echo $NOT_UTF8 | rustc - diff --git a/tests/run-make/stdin-rustdoc/rmake.rs b/tests/run-make/stdin-rustdoc/rmake.rs index 584a610ed63f..a72fe1bc7dae 100644 --- a/tests/run-make/stdin-rustdoc/rmake.rs +++ b/tests/run-make/stdin-rustdoc/rmake.rs @@ -1,6 +1,7 @@ //! This test checks rustdoc `-` (stdin) handling -use run_make_support::{rustdoc, tmp_dir}; +use run_make_support::rustdoc; +use std::path::PathBuf; static INPUT: &str = r#" //! ``` @@ -10,8 +11,7 @@ pub struct F; "#; fn main() { - let tmp_dir = tmp_dir(); - let out_dir = tmp_dir.join("doc"); + let out_dir = PathBuf::from("doc"); // rustdoc - rustdoc().arg("-").out_dir(&out_dir).stdin(INPUT).run(); diff --git a/tests/run-make/wasm-abi/rmake.rs b/tests/run-make/wasm-abi/rmake.rs index a2dcafbbe0f1..8e90d83af6cd 100644 --- a/tests/run-make/wasm-abi/rmake.rs +++ b/tests/run-make/wasm-abi/rmake.rs @@ -1,14 +1,14 @@ //@ only-wasm32-wasip1 //@ needs-wasmtime -use run_make_support::{rustc, tmp_dir}; +use run_make_support::rustc; use std::path::Path; use std::process::Command; fn main() { rustc().input("foo.rs").target("wasm32-wasip1").run(); - let file = tmp_dir().join("foo.wasm"); + let file = PathBuf::from("foo.wasm"); run(&file, "return_two_i32", "1\n2\n"); run(&file, "return_two_i64", "3\n4\n"); diff --git a/tests/run-make/wasm-custom-section/rmake.rs b/tests/run-make/wasm-custom-section/rmake.rs index 0303ca05ca63..65f6d0bf3473 100644 --- a/tests/run-make/wasm-custom-section/rmake.rs +++ b/tests/run-make/wasm-custom-section/rmake.rs @@ -1,13 +1,13 @@ //@ only-wasm32-wasip1 -use run_make_support::{rustc, tmp_dir, wasmparser}; +use run_make_support::{rustc, wasmparser}; use std::collections::HashMap; fn main() { rustc().input("foo.rs").target("wasm32-wasip1").run(); rustc().input("bar.rs").target("wasm32-wasip1").arg("-Clto").opt().run(); - let file = std::fs::read(&tmp_dir().join("bar.wasm")).unwrap(); + let file = std::fs::read("bar.wasm").unwrap(); let mut custom = HashMap::new(); for payload in wasmparser::Parser::new(0).parse_all(&file) { diff --git a/tests/run-make/wasm-custom-sections-opt/rmake.rs b/tests/run-make/wasm-custom-sections-opt/rmake.rs index 50916b1bf815..8e66caa6d685 100644 --- a/tests/run-make/wasm-custom-sections-opt/rmake.rs +++ b/tests/run-make/wasm-custom-sections-opt/rmake.rs @@ -1,13 +1,13 @@ //@ only-wasm32-wasip1 -use run_make_support::{rustc, tmp_dir, wasmparser}; +use run_make_support::{rustc, wasmparser}; use std::collections::HashMap; use std::path::Path; fn main() { rustc().input("foo.rs").target("wasm32-wasip1").opt().run(); - verify(&tmp_dir().join("foo.wasm")); + verify(&Path::new("foo.wasm")); } fn verify(path: &Path) { diff --git a/tests/run-make/wasm-export-all-symbols/rmake.rs b/tests/run-make/wasm-export-all-symbols/rmake.rs index f4c51bc4ab41..a6fec1fb0eb4 100644 --- a/tests/run-make/wasm-export-all-symbols/rmake.rs +++ b/tests/run-make/wasm-export-all-symbols/rmake.rs @@ -1,6 +1,6 @@ //@ only-wasm32-wasip1 -use run_make_support::{rustc, tmp_dir, wasmparser}; +use run_make_support::{rustc, wasmparser}; use std::collections::HashMap; use std::path::Path; use wasmparser::ExternalKind::*; @@ -18,12 +18,9 @@ fn test(args: &[&str]) { rustc().input("foo.rs").target("wasm32-wasip1").args(args).run(); rustc().input("main.rs").target("wasm32-wasip1").args(args).run(); + verify_exports(Path::new("foo.wasm"), &[("foo", Func), ("FOO", Global), ("memory", Memory)]); verify_exports( - &tmp_dir().join("foo.wasm"), - &[("foo", Func), ("FOO", Global), ("memory", Memory)], - ); - verify_exports( - &tmp_dir().join("main.wasm"), + Path::new("main.wasm"), &[ ("foo", Func), ("FOO", Global), diff --git a/tests/run-make/wasm-import-module/rmake.rs b/tests/run-make/wasm-import-module/rmake.rs index 6eed229e9078..0d3152ae99ca 100644 --- a/tests/run-make/wasm-import-module/rmake.rs +++ b/tests/run-make/wasm-import-module/rmake.rs @@ -1,6 +1,6 @@ //@ only-wasm32-wasip1 -use run_make_support::{rustc, tmp_dir, wasmparser}; +use run_make_support::{rustc, wasmparser}; use std::collections::HashMap; use wasmparser::TypeRef::Func; @@ -8,7 +8,7 @@ fn main() { rustc().input("foo.rs").target("wasm32-wasip1").run(); rustc().input("bar.rs").target("wasm32-wasip1").arg("-Clto").opt().run(); - let file = std::fs::read(&tmp_dir().join("bar.wasm")).unwrap(); + let file = std::fs::read("bar.wasm").unwrap(); let mut imports = HashMap::new(); for payload in wasmparser::Parser::new(0).parse_all(&file) { diff --git a/tests/run-make/wasm-panic-small/rmake.rs b/tests/run-make/wasm-panic-small/rmake.rs index 373b966401ce..304e5d048330 100644 --- a/tests/run-make/wasm-panic-small/rmake.rs +++ b/tests/run-make/wasm-panic-small/rmake.rs @@ -1,7 +1,7 @@ //@ only-wasm32-wasip1 #![deny(warnings)] -use run_make_support::{rustc, tmp_dir}; +use run_make_support::rustc; fn main() { test("a"); @@ -15,7 +15,7 @@ fn test(cfg: &str) { rustc().input("foo.rs").target("wasm32-wasip1").arg("-Clto").opt().cfg(cfg).run(); - let bytes = std::fs::read(&tmp_dir().join("foo.wasm")).unwrap(); + let bytes = std::fs::read("foo.wasm").unwrap(); println!("{}", bytes.len()); assert!(bytes.len() < 40_000); } diff --git a/tests/run-make/wasm-spurious-import/rmake.rs b/tests/run-make/wasm-spurious-import/rmake.rs index 458c7bfccb74..eb28fdb2b013 100644 --- a/tests/run-make/wasm-spurious-import/rmake.rs +++ b/tests/run-make/wasm-spurious-import/rmake.rs @@ -1,6 +1,6 @@ //@ only-wasm32-wasip1 -use run_make_support::{rustc, tmp_dir, wasmparser}; +use run_make_support::{rustc, wasmparser}; use std::collections::HashMap; fn main() { @@ -13,7 +13,7 @@ fn main() { .arg("-Copt-level=z") .run(); - let file = std::fs::read(&tmp_dir().join("main.wasm")).unwrap(); + let file = std::fs::read("main.wasm").unwrap(); let mut imports = HashMap::new(); for payload in wasmparser::Parser::new(0).parse_all(&file) { diff --git a/tests/run-make/wasm-stringify-ints-small/rmake.rs b/tests/run-make/wasm-stringify-ints-small/rmake.rs index 9fac0c0c215d..8c51e26cc339 100644 --- a/tests/run-make/wasm-stringify-ints-small/rmake.rs +++ b/tests/run-make/wasm-stringify-ints-small/rmake.rs @@ -1,12 +1,12 @@ //@ only-wasm32-wasip1 #![deny(warnings)] -use run_make_support::{rustc, tmp_dir}; +use run_make_support::rustc; fn main() { rustc().input("foo.rs").target("wasm32-wasip1").arg("-Clto").opt().run(); - let bytes = std::fs::read(&tmp_dir().join("foo.wasm")).unwrap(); + let bytes = std::fs::read("foo.wasm").unwrap(); println!("{}", bytes.len()); assert!(bytes.len() < 50_000); } diff --git a/tests/run-make/wasm-symbols-different-module/rmake.rs b/tests/run-make/wasm-symbols-different-module/rmake.rs index 521d2c31ee61..4960827f151c 100644 --- a/tests/run-make/wasm-symbols-different-module/rmake.rs +++ b/tests/run-make/wasm-symbols-different-module/rmake.rs @@ -1,6 +1,6 @@ //@ only-wasm32-wasip1 -use run_make_support::{rustc, tmp_dir, wasmparser}; +use run_make_support::{rustc, wasmparser}; use std::collections::{HashMap, HashSet}; fn main() { @@ -22,7 +22,7 @@ fn test(file: &str, args: &[&str], expected_imports: &[(&str, &[&str])]) { rustc().input(file).target("wasm32-wasip1").args(args).run(); - let file = std::fs::read(&tmp_dir().join(file).with_extension("wasm")).unwrap(); + let file = std::fs::read(Path::new(file).with_extension("wasm")).unwrap(); let mut imports = HashMap::new(); for payload in wasmparser::Parser::new(0).parse_all(&file) { diff --git a/tests/run-make/wasm-symbols-not-exported/rmake.rs b/tests/run-make/wasm-symbols-not-exported/rmake.rs index 1b020b67a385..54604f51a9e8 100644 --- a/tests/run-make/wasm-symbols-not-exported/rmake.rs +++ b/tests/run-make/wasm-symbols-not-exported/rmake.rs @@ -1,18 +1,18 @@ //@ only-wasm32-wasip1 -use run_make_support::{rustc, tmp_dir, wasmparser}; +use run_make_support::{rustc, wasmparser}; use std::path::Path; fn main() { rustc().input("foo.rs").target("wasm32-wasip1").run(); - verify_symbols(&tmp_dir().join("foo.wasm")); + verify_symbols(Path::new("foo.wasm")); rustc().input("foo.rs").target("wasm32-wasip1").opt().run(); - verify_symbols(&tmp_dir().join("foo.wasm")); + verify_symbols(Path::new("foo.wasm")); rustc().input("bar.rs").target("wasm32-wasip1").run(); - verify_symbols(&tmp_dir().join("bar.wasm")); + verify_symbols(Path::new("bar.wasm")); rustc().input("bar.rs").target("wasm32-wasip1").opt().run(); - verify_symbols(&tmp_dir().join("bar.wasm")); + verify_symbols(Path::new("bar.wasm")); } fn verify_symbols(path: &Path) { diff --git a/tests/run-make/wasm-symbols-not-imported/rmake.rs b/tests/run-make/wasm-symbols-not-imported/rmake.rs index a653ab61b2c0..30408f078bc8 100644 --- a/tests/run-make/wasm-symbols-not-imported/rmake.rs +++ b/tests/run-make/wasm-symbols-not-imported/rmake.rs @@ -1,17 +1,17 @@ //@ only-wasm32-wasip1 -use run_make_support::{rustc, tmp_dir, wasmparser}; +use run_make_support::{rustc, wasmparser}; use std::path::Path; fn main() { rustc().input("foo.rs").target("wasm32-wasip1").run(); - verify_symbols(&tmp_dir().join("foo.wasm")); + verify_symbols(Path::new("foo.wasm")); rustc().input("foo.rs").target("wasm32-wasip1").arg("-Clto").run(); - verify_symbols(&tmp_dir().join("foo.wasm")); + verify_symbols(Path::new("foo.wasm")); rustc().input("foo.rs").target("wasm32-wasip1").opt().run(); - verify_symbols(&tmp_dir().join("foo.wasm")); + verify_symbols(Path::new("foo.wasm")); rustc().input("foo.rs").target("wasm32-wasip1").arg("-Clto").opt().run(); - verify_symbols(&tmp_dir().join("foo.wasm")); + verify_symbols(Path::new("foo.wasm")); } fn verify_symbols(path: &Path) { diff --git a/tests/run-make/windows-binary-no-external-deps/rmake.rs b/tests/run-make/windows-binary-no-external-deps/rmake.rs index ccf2d64c8539..73c1dfcdfa81 100644 --- a/tests/run-make/windows-binary-no-external-deps/rmake.rs +++ b/tests/run-make/windows-binary-no-external-deps/rmake.rs @@ -2,7 +2,7 @@ //! a "hello world" application by setting `PATH` to `C:\Windows\System32`. //@ only-windows -use run_make_support::{env_var, rustc, tmp_dir}; +use run_make_support::{env_var, rustc}; use std::path::PathBuf; use std::process::Command; @@ -12,7 +12,7 @@ fn main() { let windows_dir = env_var("SystemRoot"); let system32: PathBuf = [&windows_dir, "System32"].iter().collect(); // Note: This does not use the support wrappers so that we can precisely control the PATH - let exe = tmp_dir().join("hello.exe"); + let exe = "hello.exe"; let status = Command::new(exe).env("PATH", &system32).spawn().unwrap().wait().unwrap(); if !status.success() { panic!("Command failed!\noutput status: `{status}`"); diff --git a/tests/run-make/windows-spawn/rmake.rs b/tests/run-make/windows-spawn/rmake.rs index fb9cf1e21490..a6a7acd7ccb6 100644 --- a/tests/run-make/windows-spawn/rmake.rs +++ b/tests/run-make/windows-spawn/rmake.rs @@ -1,6 +1,6 @@ //@ only-windows -use run_make_support::{run, rustc, tmp_dir}; +use run_make_support::{run, rustc}; // On Windows `Command` uses `CreateProcessW` to run a new process. // However, in the past std used to not pass in the application name, leaving @@ -10,8 +10,7 @@ use run_make_support::{run, rustc, tmp_dir}; // `foo bar.exe` if foo.exe does not exist. Which is clearly not desired. fn main() { - let out_dir = tmp_dir(); - rustc().input("hello.rs").output(out_dir.join("hopefullydoesntexist bar.exe")).run(); + rustc().input("hello.rs").output("hopefullydoesntexist bar.exe").run(); rustc().input("spawn.rs").run(); run("spawn"); } diff --git a/tests/run-make/windows-ws2_32/rmake.rs b/tests/run-make/windows-ws2_32/rmake.rs index 543f8594478c..b3c70c354b42 100644 --- a/tests/run-make/windows-ws2_32/rmake.rs +++ b/tests/run-make/windows-ws2_32/rmake.rs @@ -3,7 +3,7 @@ // Tests that WS2_32.dll is not unnecessarily linked, see issue #85441 use run_make_support::object::{self, read::Object}; -use run_make_support::{rustc, tmp_dir}; +use run_make_support::rustc; use std::fs; fn main() { @@ -15,8 +15,7 @@ fn main() { } fn links_ws2_32(exe: &str) -> bool { - let path = tmp_dir().join(exe); - let binary_data = fs::read(path).unwrap(); + let binary_data = fs::read(exe).unwrap(); let file = object::File::parse(&*binary_data).unwrap(); for import in file.imports().unwrap() { if import.library().eq_ignore_ascii_case(b"WS2_32.dll") { From 9ce12c4cab44c2ce5356daf07bdc21fc56e2c48f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Fri, 7 Jun 2024 11:26:36 +0200 Subject: [PATCH 1143/1716] CI: remove `Setup Python` action --- .github/workflows/ci.yml | 6 ------ 1 file changed, 6 deletions(-) diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml index d2d4a7e3d42f..521f8ef0f5ae 100644 --- a/.github/workflows/ci.yml +++ b/.github/workflows/ci.yml @@ -156,12 +156,6 @@ jobs: - name: checkout submodules run: src/ci/scripts/checkout-submodules.sh - - - name: Setup Python - uses: actions/setup-python@v5 - with: - python-version: '3.x' - if: runner.environment == 'github-hosted' - name: install MinGW run: src/ci/scripts/install-mingw.sh From 4b0842f3cedc26ba841b6e8fb7314da2048c5ee2 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Fri, 7 Jun 2024 11:31:45 +0200 Subject: [PATCH 1144/1716] Small refactoring --- src/tools/run-make-support/src/lib.rs | 5 ++--- src/tools/run-make-support/src/run.rs | 6 +++--- src/tools/run-make-support/src/rustc.rs | 5 ++--- 3 files changed, 7 insertions(+), 9 deletions(-) diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index d4b02a81a4f6..79f732ecebb5 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -227,7 +227,7 @@ pub fn set_host_rpath(cmd: &mut Command) { let ld_lib_path_envvar = env_var("LD_LIB_PATH_ENVVAR"); cmd.env(&ld_lib_path_envvar, { let mut paths = vec![]; - paths.push(env::current_dir().unwrap()); + paths.push(cwd()); paths.push(PathBuf::from(env_var("HOST_RPATH_DIR"))); for p in env::split_paths(&env_var(&ld_lib_path_envvar)) { paths.push(p.to_path_buf()); @@ -325,9 +325,8 @@ pub fn assert_not_contains(haystack: &str, needle: &str) { /// 4) Calls `callback` /// 5) Switches working directory back to the original one /// 6) Removes `tmpdir` -/// Switch current working directory to a temporary directory pub fn run_in_tmpdir(callback: F) { - let original_dir = env::current_dir().unwrap(); + let original_dir = cwd(); let tmpdir = original_dir.join("../temporary-directory"); copy_dir_all(".", &tmpdir); diff --git a/src/tools/run-make-support/src/run.rs b/src/tools/run-make-support/src/run.rs index 20fc29650f87..b607c583e328 100644 --- a/src/tools/run-make-support/src/run.rs +++ b/src/tools/run-make-support/src/run.rs @@ -2,19 +2,19 @@ use std::env; use std::path::{Path, PathBuf}; use std::process::{Command, Output}; -use crate::{env_var, is_windows}; +use crate::{cwd, env_var, is_windows}; use super::handle_failed_output; fn run_common(name: &str) -> (Command, Output) { let mut bin_path = PathBuf::new(); - bin_path.push(env::current_dir().unwrap()); + bin_path.push(cwd()); bin_path.push(name); let ld_lib_path_envvar = env_var("LD_LIB_PATH_ENVVAR"); let mut cmd = Command::new(bin_path); cmd.env(&ld_lib_path_envvar, { let mut paths = vec![]; - paths.push(env::current_dir().unwrap()); + paths.push(cwd()); for p in env::split_paths(&env_var("TARGET_RPATH_ENV")) { paths.push(p.to_path_buf()); } diff --git a/src/tools/run-make-support/src/rustc.rs b/src/tools/run-make-support/src/rustc.rs index bcdedb2722fa..a64dd9d30cf5 100644 --- a/src/tools/run-make-support/src/rustc.rs +++ b/src/tools/run-make-support/src/rustc.rs @@ -1,10 +1,9 @@ -use std::env; use std::ffi::{OsStr, OsString}; use std::io::Write; use std::path::Path; use std::process::{Command, Output, Stdio}; -use crate::{env_var, handle_failed_output, set_host_rpath}; +use crate::{cwd, env_var, handle_failed_output, set_host_rpath}; /// Construct a new `rustc` invocation. pub fn rustc() -> Rustc { @@ -29,7 +28,7 @@ fn setup_common() -> Command { let rustc = env_var("RUSTC"); let mut cmd = Command::new(rustc); set_host_rpath(&mut cmd); - cmd.arg("-L").arg(env::current_dir().unwrap()); + cmd.arg("-L").arg(cwd()); cmd } From b21ee38fa91b8a917e7cde983806c77a9b0c5c99 Mon Sep 17 00:00:00 2001 From: Alex Macleod Date: Wed, 15 May 2024 17:30:11 +0000 Subject: [PATCH 1145/1716] Don't lint blocks in closures for blocks_in_conditions --- clippy_lints/src/blocks_in_conditions.rs | 32 +------ tests/ui/blocks_in_conditions.fixed | 13 +++ tests/ui/blocks_in_conditions.rs | 13 +++ tests/ui/blocks_in_conditions_closure.rs | 89 -------------------- tests/ui/blocks_in_conditions_closure.stderr | 39 --------- 5 files changed, 28 insertions(+), 158 deletions(-) delete mode 100644 tests/ui/blocks_in_conditions_closure.rs delete mode 100644 tests/ui/blocks_in_conditions_closure.stderr diff --git a/clippy_lints/src/blocks_in_conditions.rs b/clippy_lints/src/blocks_in_conditions.rs index 869ed332b9c9..eb05dc96cdeb 100644 --- a/clippy_lints/src/blocks_in_conditions.rs +++ b/clippy_lints/src/blocks_in_conditions.rs @@ -1,15 +1,11 @@ -use clippy_utils::diagnostics::{span_lint, span_lint_and_sugg}; +use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::source::snippet_block_with_applicability; -use clippy_utils::ty::implements_trait; -use clippy_utils::visitors::{for_each_expr_without_closures, Descend}; -use clippy_utils::{get_parent_expr, higher, is_from_proc_macro}; -use core::ops::ControlFlow; +use clippy_utils::{higher, is_from_proc_macro}; use rustc_errors::Applicability; use rustc_hir::{BlockCheckMode, Expr, ExprKind, MatchSource}; use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_middle::lint::in_external_macro; use rustc_session::declare_lint_pass; -use rustc_span::sym; declare_clippy_lint! { /// ### What it does @@ -124,30 +120,6 @@ impl<'tcx> LateLintPass<'tcx> for BlocksInConditions { ); } } - } else { - let _: Option = for_each_expr_without_closures(cond, |e| { - if let ExprKind::Closure(closure) = e.kind { - // do not lint if the closure is called using an iterator (see #1141) - if let Some(parent) = get_parent_expr(cx, e) - && let ExprKind::MethodCall(_, self_arg, _, _) = &parent.kind - && let caller = cx.typeck_results().expr_ty(self_arg) - && let Some(iter_id) = cx.tcx.get_diagnostic_item(sym::Iterator) - && implements_trait(cx, caller, iter_id, &[]) - { - return ControlFlow::Continue(Descend::No); - } - - let body = cx.tcx.hir().body(closure.body); - let ex = &body.value; - if let ExprKind::Block(block, _) = ex.kind { - if !body.value.span.from_expansion() && !block.stmts.is_empty() { - span_lint(cx, BLOCKS_IN_CONDITIONS, ex.span, complex_block_message.clone()); - return ControlFlow::Continue(Descend::No); - } - } - } - ControlFlow::Continue(Descend::Yes) - }); } } } diff --git a/tests/ui/blocks_in_conditions.fixed b/tests/ui/blocks_in_conditions.fixed index a2da5f9c5fb9..af8e65270d09 100644 --- a/tests/ui/blocks_in_conditions.fixed +++ b/tests/ui/blocks_in_conditions.fixed @@ -117,4 +117,17 @@ mod issue_12016 { } } +fn in_closure() { + let v = vec![1, 2, 3]; + if v.into_iter() + .filter(|x| { + let y = x + 1; + y > 3 + }) + .any(|x| x == 5) + { + println!("contains 4!"); + } +} + fn main() {} diff --git a/tests/ui/blocks_in_conditions.rs b/tests/ui/blocks_in_conditions.rs index 608ca4cf267f..6adae951a290 100644 --- a/tests/ui/blocks_in_conditions.rs +++ b/tests/ui/blocks_in_conditions.rs @@ -117,4 +117,17 @@ mod issue_12016 { } } +fn in_closure() { + let v = vec![1, 2, 3]; + if v.into_iter() + .filter(|x| { + let y = x + 1; + y > 3 + }) + .any(|x| x == 5) + { + println!("contains 4!"); + } +} + fn main() {} diff --git a/tests/ui/blocks_in_conditions_closure.rs b/tests/ui/blocks_in_conditions_closure.rs deleted file mode 100644 index db31e4ae1a9a..000000000000 --- a/tests/ui/blocks_in_conditions_closure.rs +++ /dev/null @@ -1,89 +0,0 @@ -#![warn(clippy::blocks_in_conditions)] -#![allow( - unused, - clippy::let_and_return, - clippy::needless_if, - clippy::unnecessary_literal_unwrap -)] - -fn predicate bool, T>(pfn: F, val: T) -> bool { - pfn(val) -} - -fn pred_test() { - let v = 3; - let sky = "blue"; - // This is a sneaky case, where the block isn't directly in the condition, - // but is actually inside a closure that the condition is using. - // The same principle applies -- add some extra expressions to make sure - // linter isn't confused by them. - if v == 3 - && sky == "blue" - && predicate( - |x| { - //~^ ERROR: in an `if` condition, avoid complex blocks or closures with blocks - //~| NOTE: `-D clippy::blocks-in-conditions` implied by `-D warnings` - let target = 3; - x == target - }, - v, - ) - {} - - if predicate( - |x| { - //~^ ERROR: in an `if` condition, avoid complex blocks or closures with blocks; in - let target = 3; - x == target - }, - v, - ) {} -} - -fn closure_without_block() { - if predicate(|x| x == 3, 6) {} -} - -fn macro_in_closure() { - let option = Some(true); - - if option.unwrap_or_else(|| unimplemented!()) { - unimplemented!() - } -} - -fn closure(_: impl FnMut()) -> bool { - true -} - -fn function_with_empty_closure() { - if closure(|| {}) {} -} - -// issue #11814 -fn match_with_pred() { - let v = 3; - match Some(predicate( - |x| { - //~^ ERROR: in a `match` scrutinee, avoid complex blocks or closures with blocks - let target = 3; - x == target - }, - v, - )) { - Some(true) => 1, - Some(false) => 2, - None => 3, - }; -} - -#[rustfmt::skip] -fn main() { - let mut range = 0..10; - range.all(|i| {i < 10} ); - - let v = vec![1, 2, 3]; - if v.into_iter().any(|x| {x == 4}) { - println!("contains 4!"); - } -} diff --git a/tests/ui/blocks_in_conditions_closure.stderr b/tests/ui/blocks_in_conditions_closure.stderr deleted file mode 100644 index 2faae680ec02..000000000000 --- a/tests/ui/blocks_in_conditions_closure.stderr +++ /dev/null @@ -1,39 +0,0 @@ -error: in an `if` condition, avoid complex blocks or closures with blocks; instead, move the block or closure higher and bind it with a `let` - --> tests/ui/blocks_in_conditions_closure.rs:23:17 - | -LL | |x| { - | _________________^ -LL | | -LL | | -LL | | let target = 3; -LL | | x == target -LL | | }, - | |_____________^ - | - = note: `-D clippy::blocks-in-conditions` implied by `-D warnings` - = help: to override `-D warnings` add `#[allow(clippy::blocks_in_conditions)]` - -error: in an `if` condition, avoid complex blocks or closures with blocks; instead, move the block or closure higher and bind it with a `let` - --> tests/ui/blocks_in_conditions_closure.rs:34:13 - | -LL | |x| { - | _____________^ -LL | | -LL | | let target = 3; -LL | | x == target -LL | | }, - | |_________^ - -error: in a `match` scrutinee, avoid complex blocks or closures with blocks; instead, move the block or closure higher and bind it with a `let` - --> tests/ui/blocks_in_conditions_closure.rs:67:13 - | -LL | |x| { - | _____________^ -LL | | -LL | | let target = 3; -LL | | x == target -LL | | }, - | |_________^ - -error: aborting due to 3 previous errors - From c9cb3280f365621d724d4f07a8dc96b325a107c9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Fri, 7 Jun 2024 14:07:02 +0200 Subject: [PATCH 1146/1716] Address review comments --- src/tools/compiletest/src/runtest.rs | 2 +- tests/run-make/c-link-to-rust-dylib/rmake.rs | 2 +- tests/run-make/const-prop-lint/rmake.rs | 4 ++-- tests/run-make/notify-all-emit-artifacts/rmake.rs | 6 +++--- tests/run-make/rustdoc-scrape-examples-macros/rmake.rs | 4 ++-- 5 files changed, 9 insertions(+), 9 deletions(-) diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs index c50dd2d5a990..6d4b50a9238b 100644 --- a/src/tools/compiletest/src/runtest.rs +++ b/src/tools/compiletest/src/runtest.rs @@ -3463,7 +3463,7 @@ impl<'test> TestCx<'test> { // to the `rmake_out` directory. for path in walkdir::WalkDir::new(&self.testpaths.file).min_depth(1) { let path = path.unwrap().path().to_path_buf(); - if path.file_name().map(|s| s != OsStr::new("rmake.rs")).unwrap_or(false) { + if path.file_name().is_some_and(|s| s != "rmake.rs") { let target = rmake_out_dir.join(path.strip_prefix(&self.testpaths.file).unwrap()); if path.is_dir() { copy_dir_all(&path, target).unwrap(); diff --git a/tests/run-make/c-link-to-rust-dylib/rmake.rs b/tests/run-make/c-link-to-rust-dylib/rmake.rs index 37a326099d21..ec42e88032da 100644 --- a/tests/run-make/c-link-to-rust-dylib/rmake.rs +++ b/tests/run-make/c-link-to-rust-dylib/rmake.rs @@ -21,7 +21,7 @@ fn main() { run("bar"); let expected_extension = dynamic_lib_extension(); - read_dir(std::env::current_dir().unwrap(), |path| { + read_dir(cwd(), |path| { if path.is_file() && path.extension().is_some_and(|ext| ext == expected_extension) && path.file_name().and_then(|name| name.to_str()).is_some_and(|name| { diff --git a/tests/run-make/const-prop-lint/rmake.rs b/tests/run-make/const-prop-lint/rmake.rs index c2d3e1ab1366..6d0069a84d7a 100644 --- a/tests/run-make/const-prop-lint/rmake.rs +++ b/tests/run-make/const-prop-lint/rmake.rs @@ -2,12 +2,12 @@ use std::fs; -use run_make_support::rustc; +use run_make_support::{cwd, rustc}; fn main() { rustc().input("input.rs").run_fail_assert_exit_code(1); - for entry in fs::read_dir(std::env::current_dir().unwrap()).unwrap() { + for entry in fs::read_dir(cwd()).unwrap() { let entry = entry.unwrap(); let path = entry.path(); diff --git a/tests/run-make/notify-all-emit-artifacts/rmake.rs b/tests/run-make/notify-all-emit-artifacts/rmake.rs index 6d966793c35e..1c2e08ca8f53 100644 --- a/tests/run-make/notify-all-emit-artifacts/rmake.rs +++ b/tests/run-make/notify-all-emit-artifacts/rmake.rs @@ -6,7 +6,7 @@ // See extern crate run_make_support; -use run_make_support::rustc; +use run_make_support::{cwd, rustc}; fn main() { // With single codegen unit files are renamed to match the source file name @@ -17,7 +17,7 @@ fn main() { .codegen_units(1) .json("artifacts") .error_format("json") - .incremental(&std::env::current_dir().unwrap()) + .incremental(cwd()) .run(); let stderr = String::from_utf8_lossy(&output.stderr); for file in &["lib.o", "lib.ll", "lib.bc", "lib.s"] { @@ -33,7 +33,7 @@ fn main() { .codegen_units(2) .json("artifacts") .error_format("json") - .incremental(&std::env::current_dir().unwrap()) + .incremental(cwd()) .run(); let stderr = String::from_utf8_lossy(&output.stderr); for file in &["rcgu.o", "rcgu.ll", "rcgu.bc", "rcgu.s"] { diff --git a/tests/run-make/rustdoc-scrape-examples-macros/rmake.rs b/tests/run-make/rustdoc-scrape-examples-macros/rmake.rs index 2daaab76e544..c99112b6e5f2 100644 --- a/tests/run-make/rustdoc-scrape-examples-macros/rmake.rs +++ b/tests/run-make/rustdoc-scrape-examples-macros/rmake.rs @@ -1,6 +1,6 @@ //@ ignore-cross-compile -use run_make_support::{htmldocck, rustc, rustdoc}; +use run_make_support::{htmldocck, rustc, rustdoc, rust_lib_name}; fn main() { let out_dir = "rustdoc"; @@ -40,7 +40,7 @@ fn main() { .crate_name("ex") .crate_type("bin") .output(&out_dir) - .extern_(crate_name, format!("lib{crate_name}.rlib")) + .extern_(crate_name, rust_lib_name(crate_name)) .extern_(proc_crate_name, dylib_name.trim()) .arg("-Zunstable-options") .arg("--scrape-examples-output-path") From 7c9b469895692f25475e387d2cbe33cecbdb43a9 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Wed, 5 Jun 2024 20:12:18 +1000 Subject: [PATCH 1147/1716] Port `tests/run-make-fulldeps/hotplug_codegen_backend` to ui-fulldeps --- .../src/compiler-flags/codegen-backend.md | 5 ++-- src/tools/compiletest/src/header.rs | 9 +++++++ src/tools/compiletest/src/runtest.rs | 10 ++++++++ tests/run-make-fulldeps/README.md | 4 +++ .../hotplug_codegen_backend/Makefile | 25 ------------------- .../hotplug_codegen_backend/some_crate.rs | 2 -- .../codegen-backend/auxiliary}/the_backend.rs | 6 +++-- .../codegen-backend/hotplug.bindep.stdout | 4 +++ .../codegen-backend/hotplug.dep.stdout | 3 +++ .../codegen-backend/hotplug.normal.stdout | 1 + tests/ui-fulldeps/codegen-backend/hotplug.rs | 20 +++++++++++++++ 11 files changed, 58 insertions(+), 31 deletions(-) create mode 100644 tests/run-make-fulldeps/README.md delete mode 100644 tests/run-make-fulldeps/hotplug_codegen_backend/Makefile delete mode 100644 tests/run-make-fulldeps/hotplug_codegen_backend/some_crate.rs rename tests/{run-make-fulldeps/hotplug_codegen_backend => ui-fulldeps/codegen-backend/auxiliary}/the_backend.rs (95%) create mode 100644 tests/ui-fulldeps/codegen-backend/hotplug.bindep.stdout create mode 100644 tests/ui-fulldeps/codegen-backend/hotplug.dep.stdout create mode 100644 tests/ui-fulldeps/codegen-backend/hotplug.normal.stdout create mode 100644 tests/ui-fulldeps/codegen-backend/hotplug.rs diff --git a/src/doc/unstable-book/src/compiler-flags/codegen-backend.md b/src/doc/unstable-book/src/compiler-flags/codegen-backend.md index 67634be69931..7e4be9841f47 100644 --- a/src/doc/unstable-book/src/compiler-flags/codegen-backend.md +++ b/src/doc/unstable-book/src/compiler-flags/codegen-backend.md @@ -12,8 +12,9 @@ backend. The library must be of crate type `dylib` and must contain a function named `__rustc_codegen_backend` with a signature of `fn() -> Box`. ## Example -See also the [`hotplug_codegen_backend`](https://github.com/rust-lang/rust/tree/master/tests/run-make-fulldeps/hotplug_codegen_backend) test -for a full example. +See also the [`codegen-backend/hotplug`] test for a working example. + +[`codegen-backend/hotplug`]: https://github.com/rust-lang/rust/tree/master/tests/ui-fulldeps/codegen-backend/hotplug.rs ```rust,ignore (partial-example) use rustc_codegen_ssa::traits::CodegenBackend; diff --git a/src/tools/compiletest/src/header.rs b/src/tools/compiletest/src/header.rs index 736e103fdf22..fd4ab72bbf46 100644 --- a/src/tools/compiletest/src/header.rs +++ b/src/tools/compiletest/src/header.rs @@ -107,6 +107,9 @@ pub struct TestProps { // Similar to `aux_builds`, but a list of NAME=somelib.rs of dependencies // to build and pass with the `--extern` flag. pub aux_crates: Vec<(String, String)>, + /// Similar to `aux_builds`, but also passes the resulting dylib path to + /// `-Zcodegen-backend`. + pub aux_codegen_backend: Option, // Environment settings to use for compiling pub rustc_env: Vec<(String, String)>, // Environment variables to unset prior to compiling. @@ -231,6 +234,7 @@ mod directives { pub const AUX_BIN: &'static str = "aux-bin"; pub const AUX_BUILD: &'static str = "aux-build"; pub const AUX_CRATE: &'static str = "aux-crate"; + pub const AUX_CODEGEN_BACKEND: &'static str = "aux-codegen-backend"; pub const EXEC_ENV: &'static str = "exec-env"; pub const RUSTC_ENV: &'static str = "rustc-env"; pub const UNSET_EXEC_ENV: &'static str = "unset-exec-env"; @@ -267,6 +271,7 @@ impl TestProps { aux_builds: vec![], aux_bins: vec![], aux_crates: vec![], + aux_codegen_backend: None, revisions: vec![], rustc_env: vec![ ("RUSTC_ICE".to_string(), "0".to_string()), @@ -446,6 +451,9 @@ impl TestProps { &mut self.aux_crates, Config::parse_aux_crate, ); + if let Some(r) = config.parse_name_value_directive(ln, AUX_CODEGEN_BACKEND) { + self.aux_codegen_backend = Some(r.trim().to_owned()); + } config.push_name_value_directive( ln, EXEC_ENV, @@ -722,6 +730,7 @@ const KNOWN_DIRECTIVE_NAMES: &[&str] = &[ "assembly-output", "aux-bin", "aux-build", + "aux-codegen-backend", "aux-crate", "build-aux-docs", "build-fail", diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs index a7511a6f457d..28c766f7e17d 100644 --- a/src/tools/compiletest/src/runtest.rs +++ b/src/tools/compiletest/src/runtest.rs @@ -1833,6 +1833,16 @@ impl<'test> TestCx<'test> { )); } } + + // Build any `//@ aux-codegen-backend`, and pass the resulting library + // to `-Zcodegen-backend` when compiling the test file. + if let Some(aux_file) = &self.props.aux_codegen_backend { + let aux_type = self.build_auxiliary(of, aux_file, aux_dir, false); + if let Some(lib_name) = get_lib_name(aux_file.trim_end_matches(".rs"), aux_type) { + let lib_path = aux_dir.join(&lib_name); + rustc.arg(format!("-Zcodegen-backend={}", lib_path.display())); + } + } } fn compose_and_run_compiler(&self, mut rustc: Command, input: Option) -> ProcRes { diff --git a/tests/run-make-fulldeps/README.md b/tests/run-make-fulldeps/README.md new file mode 100644 index 000000000000..dd1788390220 --- /dev/null +++ b/tests/run-make-fulldeps/README.md @@ -0,0 +1,4 @@ +If this directory is empty, Git won't create it, and compiletest will complain +that it can't find a nonexistent test suite directory. + +FIXME(#126111): Remove `run-make-fulldeps` from bootstrap. diff --git a/tests/run-make-fulldeps/hotplug_codegen_backend/Makefile b/tests/run-make-fulldeps/hotplug_codegen_backend/Makefile deleted file mode 100644 index 3a5a66b6755e..000000000000 --- a/tests/run-make-fulldeps/hotplug_codegen_backend/Makefile +++ /dev/null @@ -1,25 +0,0 @@ -include ../../run-make/tools.mk - -# ignore-stage1 - -# This test both exists as a check that -Zcodegen-backend is capable of loading external codegen -# backends and that this external codegen backend is only included in the dep info if -# -Zbinary-dep-depinfo is used. - -all: - $(RUSTC) the_backend.rs --crate-name the_backend --crate-type dylib \ - -o $(TMPDIR)/the_backend.dylib - - $(RUSTC) some_crate.rs --crate-name some_crate --crate-type lib -o $(TMPDIR)/some_crate \ - -Z codegen-backend=$(TMPDIR)/the_backend.dylib -Z unstable-options \ - --emit link,dep-info - grep -x "This has been \"compiled\" successfully." $(TMPDIR)/libsome_crate.rlib - # don't declare a dependency on the codegen backend if -Zbinary-dep-depinfo isn't used. - grep -v "the_backend.dylib" $(TMPDIR)/some_crate.d - - $(RUSTC) some_crate.rs --crate-name some_crate --crate-type lib -o $(TMPDIR)/some_crate \ - -Z codegen-backend=$(TMPDIR)/the_backend.dylib -Z unstable-options \ - --emit link,dep-info -Zbinary-dep-depinfo - grep -x "This has been \"compiled\" successfully." $(TMPDIR)/libsome_crate.rlib - # but declare a dependency on the codegen backend if -Zbinary-dep-depinfo it used. - grep "the_backend.dylib" $(TMPDIR)/some_crate.d diff --git a/tests/run-make-fulldeps/hotplug_codegen_backend/some_crate.rs b/tests/run-make-fulldeps/hotplug_codegen_backend/some_crate.rs deleted file mode 100644 index da27b7f3463d..000000000000 --- a/tests/run-make-fulldeps/hotplug_codegen_backend/some_crate.rs +++ /dev/null @@ -1,2 +0,0 @@ -#![feature(no_core)] -#![no_core] diff --git a/tests/run-make-fulldeps/hotplug_codegen_backend/the_backend.rs b/tests/ui-fulldeps/codegen-backend/auxiliary/the_backend.rs similarity index 95% rename from tests/run-make-fulldeps/hotplug_codegen_backend/the_backend.rs rename to tests/ui-fulldeps/codegen-backend/auxiliary/the_backend.rs index 07466440aabf..f273bbc99a8a 100644 --- a/tests/run-make-fulldeps/hotplug_codegen_backend/the_backend.rs +++ b/tests/ui-fulldeps/codegen-backend/auxiliary/the_backend.rs @@ -1,3 +1,5 @@ +//@ edition: 2021 + #![feature(rustc_private)] #![deny(warnings)] @@ -78,11 +80,11 @@ impl CodegenBackend for TheBackend { match output_name { OutFileName::Real(ref path) => { let mut out_file = ::std::fs::File::create(path).unwrap(); - write!(out_file, "This has been \"compiled\" successfully.").unwrap(); + writeln!(out_file, "This has been 'compiled' successfully.").unwrap(); } OutFileName::Stdout => { let mut stdout = std::io::stdout(); - write!(stdout, "This has been \"compiled\" successfully.").unwrap(); + writeln!(stdout, "This has been 'compiled' successfully.").unwrap(); } } } diff --git a/tests/ui-fulldeps/codegen-backend/hotplug.bindep.stdout b/tests/ui-fulldeps/codegen-backend/hotplug.bindep.stdout new file mode 100644 index 000000000000..4d58fd503d0a --- /dev/null +++ b/tests/ui-fulldeps/codegen-backend/hotplug.bindep.stdout @@ -0,0 +1,4 @@ +$TEST_BUILD_DIR/codegen-backend/hotplug.bindep/libhotplug.rlib: $DIR/hotplug.rs $TEST_BUILD_DIR/codegen-backend/hotplug.bindep/auxiliary/libthe_backend.so + +$DIR/hotplug.rs: +$TEST_BUILD_DIR/codegen-backend/hotplug.bindep/auxiliary/libthe_backend.so: diff --git a/tests/ui-fulldeps/codegen-backend/hotplug.dep.stdout b/tests/ui-fulldeps/codegen-backend/hotplug.dep.stdout new file mode 100644 index 000000000000..48b7534d8faf --- /dev/null +++ b/tests/ui-fulldeps/codegen-backend/hotplug.dep.stdout @@ -0,0 +1,3 @@ +$TEST_BUILD_DIR/codegen-backend/hotplug.dep/libhotplug.rlib: $DIR/hotplug.rs + +$DIR/hotplug.rs: diff --git a/tests/ui-fulldeps/codegen-backend/hotplug.normal.stdout b/tests/ui-fulldeps/codegen-backend/hotplug.normal.stdout new file mode 100644 index 000000000000..1aa032de9e49 --- /dev/null +++ b/tests/ui-fulldeps/codegen-backend/hotplug.normal.stdout @@ -0,0 +1 @@ +This has been 'compiled' successfully. diff --git a/tests/ui-fulldeps/codegen-backend/hotplug.rs b/tests/ui-fulldeps/codegen-backend/hotplug.rs new file mode 100644 index 000000000000..dc0fb3f9efd0 --- /dev/null +++ b/tests/ui-fulldeps/codegen-backend/hotplug.rs @@ -0,0 +1,20 @@ +//@ edition: 2021 +//@ build-pass +//@ ignore-stage1 (requires matching sysroot built with in-tree compiler) + +//@ aux-codegen-backend: the_backend.rs +//@ normalize-stdout-test: "libthe_backend.dylib" -> "libthe_backend.so" +//@ normalize-stdout-test: "the_backend.dll" -> "libthe_backend.so" + +//@ revisions: normal dep bindep +//@ compile-flags: --crate-type=lib +//@ [normal] compile-flags: --emit=link=- +//@ [dep] compile-flags: --emit=link,dep-info=- +//@ [bindep] compile-flags: --emit=link,dep-info=- -Zbinary-dep-depinfo + +#![feature(no_core)] +#![no_core] + +// This test both exists as a check that -Zcodegen-backend is capable of loading external codegen +// backends and that this external codegen backend is only included in the dep info if +// -Zbinary-dep-depinfo is used. From 65af5d7b22ecd29a5aad8b6849659c9eaf62a96a Mon Sep 17 00:00:00 2001 From: Alex Macleod Date: Fri, 7 Jun 2024 12:00:08 +0000 Subject: [PATCH 1148/1716] Remove `lazy_static` mention --- clippy_lints/src/non_copy_const.rs | 32 ++++++++------ tests/ui/crashes/ice-9445.rs | 2 - tests/ui/crashes/ice-9445.stderr | 7 ++- tests/ui/crashes/mut_mut_macro.rs | 33 -------------- .../enums.stderr | 43 +++++++++---------- .../others.stderr | 27 ++++++------ .../traits.stderr | 26 +++++------ 7 files changed, 69 insertions(+), 101 deletions(-) delete mode 100644 tests/ui/crashes/mut_mut_macro.rs diff --git a/clippy_lints/src/non_copy_const.rs b/clippy_lints/src/non_copy_const.rs index 76d9cee18aa7..464c658b2b43 100644 --- a/clippy_lints/src/non_copy_const.rs +++ b/clippy_lints/src/non_copy_const.rs @@ -7,7 +7,7 @@ use std::ptr; use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::in_constant; use clippy_utils::macros::macro_backtrace; -use clippy_utils::ty::InteriorMut; +use clippy_utils::ty::{implements_trait, InteriorMut}; use rustc_hir::def::{DefKind, Res}; use rustc_hir::def_id::DefId; use rustc_hir::{ @@ -18,7 +18,7 @@ use rustc_middle::mir::interpret::{ErrorHandled, EvalToValTreeResult, GlobalId}; use rustc_middle::ty::adjustment::Adjust; use rustc_middle::ty::{self, Ty, TyCtxt}; use rustc_session::impl_lint_pass; -use rustc_span::{sym, InnerSpan, Span, DUMMY_SP}; +use rustc_span::{sym, Span, DUMMY_SP}; use rustc_target::abi::VariantIdx; // FIXME: this is a correctness problem but there's no suitable @@ -127,19 +127,19 @@ declare_clippy_lint! { } #[derive(Copy, Clone)] -enum Source { - Item { item: Span }, +enum Source<'tcx> { + Item { item: Span, ty: Ty<'tcx> }, Assoc { item: Span }, Expr { expr: Span }, } -impl Source { +impl Source<'_> { #[must_use] fn lint(&self) -> (&'static Lint, &'static str, Span) { match self { - Self::Item { item } | Self::Assoc { item, .. } => ( + Self::Item { item, .. } | Self::Assoc { item, .. } => ( DECLARE_INTERIOR_MUTABLE_CONST, - "a `const` item should never be interior mutable", + "a `const` item should not be interior mutable", *item, ), Self::Expr { expr } => ( @@ -151,16 +151,24 @@ impl Source { } } -fn lint(cx: &LateContext<'_>, source: Source) { +fn lint<'tcx>(cx: &LateContext<'tcx>, source: Source<'tcx>) { let (lint, msg, span) = source.lint(); span_lint_and_then(cx, lint, span, msg, |diag| { if span.from_expansion() { return; // Don't give suggestions into macros. } match source { - Source::Item { .. } => { - let const_kw_span = span.from_inner(InnerSpan::new(0, 5)); - diag.span_label(const_kw_span, "make this a static item (maybe with lazy_static)"); + Source::Item { ty, .. } => { + let Some(sync_trait) = cx.tcx.lang_items().sync_trait() else { + return; + }; + if implements_trait(cx, ty, sync_trait, &[]) { + diag.help("consider making this a static item"); + } else { + diag.help( + "consider making this `Sync` so that it can go in a static item or using a `thread_local`", + ); + } }, Source::Assoc { .. } => (), Source::Expr { .. } => { @@ -311,7 +319,7 @@ impl<'tcx> LateLintPass<'tcx> for NonCopyConst<'tcx> { && self.interior_mut.is_interior_mut_ty(cx, ty) && Self::is_value_unfrozen_poly(cx, body_id, ty) { - lint(cx, Source::Item { item: it.span }); + lint(cx, Source::Item { item: it.span, ty }); } } } diff --git a/tests/ui/crashes/ice-9445.rs b/tests/ui/crashes/ice-9445.rs index b6afbd33c79f..c67b22f6f8c4 100644 --- a/tests/ui/crashes/ice-9445.rs +++ b/tests/ui/crashes/ice-9445.rs @@ -1,5 +1,3 @@ const UNINIT: core::mem::MaybeUninit> = core::mem::MaybeUninit::uninit(); -//~^ ERROR: a `const` item should never be interior mutable -//~| NOTE: `-D clippy::declare-interior-mutable-const` implied by `-D warnings` fn main() {} diff --git a/tests/ui/crashes/ice-9445.stderr b/tests/ui/crashes/ice-9445.stderr index d6957e9549d6..76689cd6f5c2 100644 --- a/tests/ui/crashes/ice-9445.stderr +++ b/tests/ui/crashes/ice-9445.stderr @@ -1,11 +1,10 @@ -error: a `const` item should never be interior mutable +error: a `const` item should not be interior mutable --> tests/ui/crashes/ice-9445.rs:1:1 | LL | const UNINIT: core::mem::MaybeUninit> = core::mem::MaybeUninit::uninit(); - | -----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | | - | make this a static item (maybe with lazy_static) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | + = help: consider making this `Sync` so that it can go in a static item or using a `thread_local` = note: `-D clippy::declare-interior-mutable-const` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::declare_interior_mutable_const)]` diff --git a/tests/ui/crashes/mut_mut_macro.rs b/tests/ui/crashes/mut_mut_macro.rs deleted file mode 100644 index 92821b6ecbba..000000000000 --- a/tests/ui/crashes/mut_mut_macro.rs +++ /dev/null @@ -1,33 +0,0 @@ -#![deny(clippy::mut_mut, clippy::zero_ptr)] -#![allow(dead_code)] - -// FIXME: compiletest + extern crates doesn't work together. To make this test work, it would need -// the following three lines and the lazy_static crate. -// -// #[macro_use] -// extern crate lazy_static; -// use std::collections::HashMap; - -/// ensure that we don't suggest `is_null` inside constants -/// FIXME: once const fn is stable, suggest these functions again in constants - -const BAA: *const i32 = 0 as *const i32; -static mut BAR: *const i32 = BAA; -static mut FOO: *const i32 = 0 as *const i32; - -#[allow(unused_variables, unused_mut)] -fn main() { - /* - lazy_static! { - static ref MUT_MAP : HashMap = { - let mut m = HashMap::new(); - m.insert(0, "zero"); - m - }; - static ref MUT_COUNT : usize = MUT_MAP.len(); - } - assert_eq!(*MUT_COUNT, 1); - */ - // FIXME: don't lint in array length, requires `check_body` - //let _ = [""; (42.0 < f32::NAN) as usize]; -} diff --git a/tests/ui/declare_interior_mutable_const/enums.stderr b/tests/ui/declare_interior_mutable_const/enums.stderr index 6c0dce6b5eaf..22329172c3af 100644 --- a/tests/ui/declare_interior_mutable_const/enums.stderr +++ b/tests/ui/declare_interior_mutable_const/enums.stderr @@ -1,87 +1,84 @@ -error: a `const` item should never be interior mutable +error: a `const` item should not be interior mutable --> tests/ui/declare_interior_mutable_const/enums.rs:12:1 | LL | const UNFROZEN_VARIANT: OptionalCell = OptionalCell::Unfrozen(Cell::new(true)); - | -----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | | - | make this a static item (maybe with lazy_static) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | + = help: consider making this `Sync` so that it can go in a static item or using a `thread_local` = note: `-D clippy::declare-interior-mutable-const` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::declare_interior_mutable_const)]` -error: a `const` item should never be interior mutable +error: a `const` item should not be interior mutable --> tests/ui/declare_interior_mutable_const/enums.rs:23:1 | LL | const UNFROZEN_VARIANT_FROM_FN: OptionalCell = unfrozen_variant(); - | -----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | | - | make this a static item (maybe with lazy_static) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: consider making this `Sync` so that it can go in a static item or using a `thread_local` -error: a `const` item should never be interior mutable +error: a `const` item should not be interior mutable --> tests/ui/declare_interior_mutable_const/enums.rs:45:1 | -LL | const NESTED_UNFROZEN_VARIANT: NestedOutermost = NestedOutermost { - | ^---- - | | - | _make this a static item (maybe with lazy_static) - | | +LL | / const NESTED_UNFROZEN_VARIANT: NestedOutermost = NestedOutermost { LL | | LL | | outer: NestedOuter::NestedInner(NestedInner { LL | | inner: NestedInnermost::Unfrozen(AtomicUsize::new(2)), LL | | }), LL | | }; | |__^ + | + = help: consider making this a static item -error: a `const` item should never be interior mutable +error: a `const` item should not be interior mutable --> tests/ui/declare_interior_mutable_const/enums.rs:60:5 | LL | const TO_BE_UNFROZEN_VARIANT: OptionalCell; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: a `const` item should never be interior mutable +error: a `const` item should not be interior mutable --> tests/ui/declare_interior_mutable_const/enums.rs:61:5 | LL | const TO_BE_FROZEN_VARIANT: OptionalCell; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: a `const` item should never be interior mutable +error: a `const` item should not be interior mutable --> tests/ui/declare_interior_mutable_const/enums.rs:64:5 | LL | const DEFAULTED_ON_UNFROZEN_VARIANT: OptionalCell = OptionalCell::Unfrozen(Cell::new(false)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: a `const` item should never be interior mutable +error: a `const` item should not be interior mutable --> tests/ui/declare_interior_mutable_const/enums.rs:90:5 | LL | const TO_BE_UNFROZEN_VARIANT: Option = Some(Self::ToBeUnfrozen::new(4)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: a `const` item should never be interior mutable +error: a `const` item should not be interior mutable --> tests/ui/declare_interior_mutable_const/enums.rs:102:5 | LL | const UNFROZEN_VARIANT: BothOfCellAndGeneric = BothOfCellAndGeneric::Unfrozen(Cell::new(std::ptr::null())); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: a `const` item should never be interior mutable +error: a `const` item should not be interior mutable --> tests/ui/declare_interior_mutable_const/enums.rs:105:5 | LL | const GENERIC_VARIANT: BothOfCellAndGeneric = BothOfCellAndGeneric::Generic(std::ptr::null()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: a `const` item should never be interior mutable +error: a `const` item should not be interior mutable --> tests/ui/declare_interior_mutable_const/enums.rs:111:5 | LL | const NO_ENUM: Cell<*const T> = Cell::new(std::ptr::null()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: a `const` item should never be interior mutable +error: a `const` item should not be interior mutable --> tests/ui/declare_interior_mutable_const/enums.rs:118:5 | LL | / const UNFROZEN_VARIANT: BothOfCellAndGeneric = LL | | BothOfCellAndGeneric::Unfrozen(Cell::new(std::ptr::null())); | |____________________________________________________________________^ -error: a `const` item should never be interior mutable +error: a `const` item should not be interior mutable --> tests/ui/declare_interior_mutable_const/enums.rs:120:5 | LL | const GENERIC_VARIANT: BothOfCellAndGeneric = BothOfCellAndGeneric::Generic(std::ptr::null()); diff --git a/tests/ui/declare_interior_mutable_const/others.stderr b/tests/ui/declare_interior_mutable_const/others.stderr index 9dba0c952214..1f2b9561ce50 100644 --- a/tests/ui/declare_interior_mutable_const/others.stderr +++ b/tests/ui/declare_interior_mutable_const/others.stderr @@ -1,31 +1,30 @@ -error: a `const` item should never be interior mutable +error: a `const` item should not be interior mutable --> tests/ui/declare_interior_mutable_const/others.rs:9:1 | LL | const ATOMIC: AtomicUsize = AtomicUsize::new(5); - | -----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | | - | make this a static item (maybe with lazy_static) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | + = help: consider making this a static item = note: `-D clippy::declare-interior-mutable-const` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::declare_interior_mutable_const)]` -error: a `const` item should never be interior mutable +error: a `const` item should not be interior mutable --> tests/ui/declare_interior_mutable_const/others.rs:10:1 | LL | const CELL: Cell = Cell::new(6); - | -----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | | - | make this a static item (maybe with lazy_static) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: consider making this `Sync` so that it can go in a static item or using a `thread_local` -error: a `const` item should never be interior mutable +error: a `const` item should not be interior mutable --> tests/ui/declare_interior_mutable_const/others.rs:11:1 | LL | const ATOMIC_TUPLE: ([AtomicUsize; 1], Vec, u8) = ([ATOMIC], Vec::new(), 7); - | -----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | | - | make this a static item (maybe with lazy_static) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: consider making this a static item -error: a `const` item should never be interior mutable +error: a `const` item should not be interior mutable --> tests/ui/declare_interior_mutable_const/others.rs:16:9 | LL | const $name: $ty = $e; @@ -36,7 +35,7 @@ LL | declare_const!(_ONCE: Once = Once::new()); | = note: this error originates in the macro `declare_const` (in Nightly builds, run with -Z macro-backtrace for more info) -error: a `const` item should never be interior mutable +error: a `const` item should not be interior mutable --> tests/ui/declare_interior_mutable_const/others.rs:44:13 | LL | const _BAZ: Cell = Cell::new(0); diff --git a/tests/ui/declare_interior_mutable_const/traits.stderr b/tests/ui/declare_interior_mutable_const/traits.stderr index 1d1e9e2002fa..4a793d985e5e 100644 --- a/tests/ui/declare_interior_mutable_const/traits.stderr +++ b/tests/ui/declare_interior_mutable_const/traits.stderr @@ -1,4 +1,4 @@ -error: a `const` item should never be interior mutable +error: a `const` item should not be interior mutable --> tests/ui/declare_interior_mutable_const/traits.rs:16:5 | LL | const ATOMIC: AtomicUsize; @@ -7,7 +7,7 @@ LL | const ATOMIC: AtomicUsize; = note: `-D clippy::declare-interior-mutable-const` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::declare_interior_mutable_const)]` -error: a `const` item should never be interior mutable +error: a `const` item should not be interior mutable --> tests/ui/declare_interior_mutable_const/traits.rs:9:9 | LL | const $name: $ty = $e; @@ -18,67 +18,67 @@ LL | declare_const!(ANOTHER_ATOMIC: AtomicUsize = Self::ATOMIC); | = note: this error originates in the macro `declare_const` (in Nightly builds, run with -Z macro-backtrace for more info) -error: a `const` item should never be interior mutable +error: a `const` item should not be interior mutable --> tests/ui/declare_interior_mutable_const/traits.rs:44:5 | LL | const TO_BE_CONCRETE: AtomicUsize = AtomicUsize::new(11); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: a `const` item should never be interior mutable +error: a `const` item should not be interior mutable --> tests/ui/declare_interior_mutable_const/traits.rs:69:5 | LL | const TO_BE_UNFROZEN: Self::ToBeUnfrozen = AtomicUsize::new(13); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: a `const` item should never be interior mutable +error: a `const` item should not be interior mutable --> tests/ui/declare_interior_mutable_const/traits.rs:70:5 | LL | const WRAPPED_TO_BE_UNFROZEN: Wrapper = Wrapper(AtomicUsize::new(14)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: a `const` item should never be interior mutable +error: a `const` item should not be interior mutable --> tests/ui/declare_interior_mutable_const/traits.rs:89:5 | LL | const BOUNDED: T::ToBeBounded; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: a `const` item should never be interior mutable +error: a `const` item should not be interior mutable --> tests/ui/declare_interior_mutable_const/traits.rs:117:5 | LL | const SELF: Self = AtomicUsize::new(17); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: a `const` item should never be interior mutable +error: a `const` item should not be interior mutable --> tests/ui/declare_interior_mutable_const/traits.rs:118:5 | LL | const WRAPPED_SELF: Option = Some(AtomicUsize::new(21)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: a `const` item should never be interior mutable +error: a `const` item should not be interior mutable --> tests/ui/declare_interior_mutable_const/traits.rs:124:5 | LL | const DIRECT: Cell; | ^^^^^^^^^^^^^^^^^^^^^^ -error: a `const` item should never be interior mutable +error: a `const` item should not be interior mutable --> tests/ui/declare_interior_mutable_const/traits.rs:125:5 | LL | const INDIRECT: Cell<*const T>; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: a `const` item should never be interior mutable +error: a `const` item should not be interior mutable --> tests/ui/declare_interior_mutable_const/traits.rs:129:5 | LL | const DIRECT: Cell = Cell::new(T::DEFAULT); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: a `const` item should never be interior mutable +error: a `const` item should not be interior mutable --> tests/ui/declare_interior_mutable_const/traits.rs:141:5 | LL | const ATOMIC: AtomicUsize = AtomicUsize::new(18); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: a `const` item should never be interior mutable +error: a `const` item should not be interior mutable --> tests/ui/declare_interior_mutable_const/traits.rs:147:5 | LL | const BOUNDED_ASSOC_TYPE: T::ToBeBounded = AtomicUsize::new(19); From 3eb5341c3dbe1e0835ea76172a9ca798ca1423e1 Mon Sep 17 00:00:00 2001 From: Zalathar Date: Fri, 7 Jun 2024 23:05:15 +1000 Subject: [PATCH 1149/1716] Improve docs for using custom paths with `--emit` --- src/doc/rustc/src/command-line-arguments.md | 40 +++++++++++++++------ 1 file changed, 29 insertions(+), 11 deletions(-) diff --git a/src/doc/rustc/src/command-line-arguments.md b/src/doc/rustc/src/command-line-arguments.md index 3e1ac2fa8ad7..72ab8ab5ce9b 100644 --- a/src/doc/rustc/src/command-line-arguments.md +++ b/src/doc/rustc/src/command-line-arguments.md @@ -213,21 +213,39 @@ The valid emit kinds are: `CRATE_NAME.o`. The output filename can be set with the [`-o` flag](#option-o-output). A -suffix may be added to the filename with the [`-C extra-filename` -flag](codegen-options/index.md#extra-filename). The files are written to the -current directory unless the [`--out-dir` flag](#option-out-dir) is used. Each -emission type may also specify the output filename with the form `KIND=PATH`, -which takes precedence over the `-o` flag. -Specifying `-o -` or `--emit KIND=-` asks rustc to emit to stdout. -Text output types (`asm`, `dep-info`, `llvm-ir` and `mir`) can be written to -stdout despite it being a tty or not. This will result in an error if any -binary output type is written to stdout that is a tty. -This will also result in an error if multiple output types -would be written to stdout, because they would be all mixed together. +suffix may be added to the filename with the +[`-C extra-filename` flag](codegen-options/index.md#extra-filename). + +Output files are written to the current directory unless the +[`--out-dir` flag](#option-out-dir) is used. [LLVM bitcode]: https://llvm.org/docs/BitCodeFormat.html [LLVM IR]: https://llvm.org/docs/LangRef.html +### Custom paths for individual emit kinds + +Each emit type can optionally be followed by `=` to specify an explicit output +path that only applies to the output of that type. For example: + +- `--emit=link,dep-info=/path/to/dep-info.d` + - Emit the crate itself as normal, + and also emit dependency info to the specified path. +- `--emit=llvm-ir=-,mir` + - Emit MIR to the default filename (based on crate name), + and emit LLVM IR to stdout. + +### Emitting to stdout + +When using `--emit` or [`-o`](#option-o-output), output can be sent to stdout +by specifying `-` as the path (e.g. `-o -`). + +Binary output types can only be written to stdout if it is not a tty. +Text output types (`asm`, `dep-info`, `llvm-ir` and `mir`) can be written to +stdout regardless of whether it is a tty or not. + +Only one type of output can be written to stdout. Attempting to write multiple +types to stdout at the same time will result in an error. + ## `--print`: print compiler information From 946185236349039b66da84cc95cfdc2fa3b3889d Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Fri, 7 Jun 2024 13:22:25 +0000 Subject: [PATCH 1150/1716] Add regression test --- tests/ui-fulldeps/stable-mir/check_instance.rs | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/tests/ui-fulldeps/stable-mir/check_instance.rs b/tests/ui-fulldeps/stable-mir/check_instance.rs index 218c7b3e3863..f971426723f2 100644 --- a/tests/ui-fulldeps/stable-mir/check_instance.rs +++ b/tests/ui-fulldeps/stable-mir/check_instance.rs @@ -33,7 +33,7 @@ fn test_stable_mir() -> ControlFlow<()> { // Get all items and split generic vs monomorphic items. let (generic, mono): (Vec<_>, Vec<_>) = items.into_iter().partition(|item| item.requires_monomorphization()); - assert_eq!(mono.len(), 3, "Expected 2 mono functions and one constant"); + assert_eq!(mono.len(), 4, "Expected 2 mono functions and one constant"); assert_eq!(generic.len(), 2, "Expected 2 generic functions"); // For all monomorphic items, get the correspondent instances. @@ -57,8 +57,9 @@ fn test_body(body: mir::Body) { for term in body.blocks.iter().map(|bb| &bb.terminator) { match &term.kind { Call { func, .. } => { - let TyKind::RigidTy(ty) = func.ty(body.locals()).unwrap().kind() else { unreachable! - () }; + let TyKind::RigidTy(ty) = func.ty(body.locals()).unwrap().kind() else { + unreachable!() + }; let RigidTy::FnDef(def, args) = ty else { unreachable!() }; let instance = Instance::resolve(def, &args).unwrap(); let mangled_name = instance.mangled_name(); @@ -102,6 +103,9 @@ fn generate_input(path: &str) -> std::io::Result<()> { write!( file, r#" + + struct Foo(()); + pub fn ty_param(t: &T) -> T where T: Clone {{ t.clone() }} @@ -116,6 +120,7 @@ fn generate_input(path: &str) -> std::io::Result<()> { }} pub fn monomorphic() {{ + Foo(()); let v = vec![10]; let dup = ty_param(&v); assert_eq!(v, dup); From 93feaa668511cfd03a645217a2287699694002cf Mon Sep 17 00:00:00 2001 From: bohan Date: Thu, 6 Jun 2024 16:09:20 +0800 Subject: [PATCH 1151/1716] mark binding undetermined if target name exist and not obtained --- compiler/rustc_resolve/src/ident.rs | 10 +++++----- tests/ui/imports/cycle-import-in-std-1.rs | 9 +++++++++ tests/ui/imports/cycle-import-in-std-1.stderr | 13 +++++++++++++ tests/ui/imports/cycle-import-in-std-2.rs | 9 +++++++++ tests/ui/imports/cycle-import-in-std-2.stderr | 13 +++++++++++++ 5 files changed, 49 insertions(+), 5 deletions(-) create mode 100644 tests/ui/imports/cycle-import-in-std-1.rs create mode 100644 tests/ui/imports/cycle-import-in-std-1.stderr create mode 100644 tests/ui/imports/cycle-import-in-std-2.rs create mode 100644 tests/ui/imports/cycle-import-in-std-2.stderr diff --git a/compiler/rustc_resolve/src/ident.rs b/compiler/rustc_resolve/src/ident.rs index 78bd3c4e49f2..b6a23317dc99 100644 --- a/compiler/rustc_resolve/src/ident.rs +++ b/compiler/rustc_resolve/src/ident.rs @@ -998,14 +998,14 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { let Some(module) = single_import.imported_module.get() else { return Err((Undetermined, Weak::No)); }; - let ImportKind::Single { source: ident, source_bindings, .. } = &single_import.kind + let ImportKind::Single { source: ident, target, target_bindings, .. } = + &single_import.kind else { unreachable!(); }; - if binding.map_or(false, |binding| binding.module().is_some()) - && source_bindings.iter().all(|binding| matches!(binding.get(), Err(Undetermined))) - { - // This branch allows the binding to be defined or updated later, + if (ident != target) && target_bindings.iter().all(|binding| binding.get().is_none()) { + // This branch allows the binding to be defined or updated later if the target name + // can hide the source but these bindings are not obtained. // avoiding module inconsistency between the resolve process and the finalize process. // See more details in #124840 return Err((Undetermined, Weak::No)); diff --git a/tests/ui/imports/cycle-import-in-std-1.rs b/tests/ui/imports/cycle-import-in-std-1.rs new file mode 100644 index 000000000000..2fa492c155d7 --- /dev/null +++ b/tests/ui/imports/cycle-import-in-std-1.rs @@ -0,0 +1,9 @@ +//@ edition: 2018 + +// https://github.com/rust-lang/rust/issues/124490 + +use ops::{self as std}; +//~^ ERROR: unresolved import `ops` +use std::collections::{self as ops}; + +fn main() {} diff --git a/tests/ui/imports/cycle-import-in-std-1.stderr b/tests/ui/imports/cycle-import-in-std-1.stderr new file mode 100644 index 000000000000..d4e6f32cc109 --- /dev/null +++ b/tests/ui/imports/cycle-import-in-std-1.stderr @@ -0,0 +1,13 @@ +error[E0432]: unresolved import `ops` + --> $DIR/cycle-import-in-std-1.rs:5:11 + | +LL | use ops::{self as std}; + | ^^^^^^^^^^^ no external crate `ops` + | + = help: consider importing one of these items instead: + core::ops + std::ops + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0432`. diff --git a/tests/ui/imports/cycle-import-in-std-2.rs b/tests/ui/imports/cycle-import-in-std-2.rs new file mode 100644 index 000000000000..d73c57944bc2 --- /dev/null +++ b/tests/ui/imports/cycle-import-in-std-2.rs @@ -0,0 +1,9 @@ +//@ edition: 2018 + +// https://github.com/rust-lang/rust/issues/125013 + +use ops::{self as std}; +//~^ ERROR: unresolved import `ops` +use std::ops::Deref::{self as ops}; + +fn main() {} diff --git a/tests/ui/imports/cycle-import-in-std-2.stderr b/tests/ui/imports/cycle-import-in-std-2.stderr new file mode 100644 index 000000000000..dc0270dffe4a --- /dev/null +++ b/tests/ui/imports/cycle-import-in-std-2.stderr @@ -0,0 +1,13 @@ +error[E0432]: unresolved import `ops` + --> $DIR/cycle-import-in-std-2.rs:5:11 + | +LL | use ops::{self as std}; + | ^^^^^^^^^^^ no external crate `ops` + | + = help: consider importing one of these items instead: + core::ops + std::ops + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0432`. From 3ee462944689cd1569240080f6c6da57453025d2 Mon Sep 17 00:00:00 2001 From: Noah Lev Date: Thu, 30 May 2024 21:05:12 -0700 Subject: [PATCH 1152/1716] rustdoc: Rename `Tester` to `DoctestVisitor` The new name more accurately captures what it is. --- src/librustdoc/doctest.rs | 16 ++++++++-------- src/librustdoc/html/markdown.rs | 8 ++++---- .../passes/check_doc_test_visibility.rs | 4 ++-- 3 files changed, 14 insertions(+), 14 deletions(-) diff --git a/src/librustdoc/doctest.rs b/src/librustdoc/doctest.rs index 0d4bad6921db..f6f2b0439133 100644 --- a/src/librustdoc/doctest.rs +++ b/src/librustdoc/doctest.rs @@ -983,12 +983,12 @@ impl IndividualTestOptions { } } -pub(crate) trait Tester { - fn add_test(&mut self, test: String, config: LangString, line: usize); +pub(crate) trait DoctestVisitor { + fn visit_test(&mut self, test: String, config: LangString, line: usize); fn get_line(&self) -> usize { 0 } - fn register_header(&mut self, _name: &str, _level: u32) {} + fn visit_header(&mut self, _name: &str, _level: u32) {} } pub(crate) struct Collector { @@ -1091,8 +1091,8 @@ impl Collector { } } -impl Tester for Collector { - fn add_test(&mut self, test: String, config: LangString, line: usize) { +impl DoctestVisitor for Collector { + fn visit_test(&mut self, test: String, config: LangString, line: usize) { let filename = self.get_filename(); let name = self.generate_name(line, &filename); let crate_name = self.crate_name.clone(); @@ -1242,7 +1242,7 @@ impl Tester for Collector { } } - fn register_header(&mut self, name: &str, level: u32) { + fn visit_header(&mut self, name: &str, level: u32) { if self.use_headers { // We use these headings as test names, so it's good if // they're valid identifiers. @@ -1287,8 +1287,8 @@ impl Tester for Collector { } #[cfg(test)] // used in tests -impl Tester for Vec { - fn add_test(&mut self, _test: String, _config: LangString, line: usize) { +impl DoctestVisitor for Vec { + fn visit_test(&mut self, _test: String, _config: LangString, line: usize) { self.push(line); } } diff --git a/src/librustdoc/html/markdown.rs b/src/librustdoc/html/markdown.rs index 11cc81700ff5..c8973679132c 100644 --- a/src/librustdoc/html/markdown.rs +++ b/src/librustdoc/html/markdown.rs @@ -710,7 +710,7 @@ impl<'a, I: Iterator>> Iterator for Footnotes<'a, I> { } } -pub(crate) fn find_testable_code( +pub(crate) fn find_testable_code( doc: &str, tests: &mut T, error_codes: ErrorCodes, @@ -720,7 +720,7 @@ pub(crate) fn find_testable_code( find_codes(doc, tests, error_codes, enable_per_target_ignores, extra_info, false) } -pub(crate) fn find_codes( +pub(crate) fn find_codes( doc: &str, tests: &mut T, error_codes: ErrorCodes, @@ -773,7 +773,7 @@ pub(crate) fn find_codes( nb_lines -= 1; } let line = tests.get_line() + nb_lines + 1; - tests.add_test(text, block_info, line); + tests.visit_test(text, block_info, line); prev_offset = offset.start; } Event::Start(Tag::Heading(level, _, _)) => { @@ -781,7 +781,7 @@ pub(crate) fn find_codes( } Event::Text(ref s) if register_header.is_some() => { let level = register_header.unwrap(); - tests.register_header(s, level); + tests.visit_header(s, level); register_header = None; } _ => {} diff --git a/src/librustdoc/passes/check_doc_test_visibility.rs b/src/librustdoc/passes/check_doc_test_visibility.rs index d53eac0bccb1..a4cdb488f05f 100644 --- a/src/librustdoc/passes/check_doc_test_visibility.rs +++ b/src/librustdoc/passes/check_doc_test_visibility.rs @@ -44,8 +44,8 @@ pub(crate) struct Tests { pub(crate) found_tests: usize, } -impl crate::doctest::Tester for Tests { - fn add_test(&mut self, _: String, config: LangString, _: usize) { +impl crate::doctest::DoctestVisitor for Tests { + fn visit_test(&mut self, _: String, config: LangString, _: usize) { if config.rust && config.ignore == Ignore::None { self.found_tests += 1; } From f9e12ef946808f470f9d1cd97387a9381d13ad83 Mon Sep 17 00:00:00 2001 From: Noah Lev Date: Thu, 30 May 2024 22:10:14 -0700 Subject: [PATCH 1153/1716] rustdoc: Use `write_all` to ensure all content is written --- src/librustdoc/doctest.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/librustdoc/doctest.rs b/src/librustdoc/doctest.rs index f6f2b0439133..08bc0f000845 100644 --- a/src/librustdoc/doctest.rs +++ b/src/librustdoc/doctest.rs @@ -80,7 +80,7 @@ pub(crate) fn generate_args_file(file_path: &Path, options: &RustdocOptions) -> let content = content.join("\n"); - file.write(content.as_bytes()) + file.write_all(content.as_bytes()) .map_err(|error| format!("failed to write arguments to temporary file: {error:?}"))?; Ok(()) } From 516010bd0f7ba82f29fb1cf56fdc990c9386f39c Mon Sep 17 00:00:00 2001 From: Noah Lev Date: Thu, 30 May 2024 22:36:52 -0700 Subject: [PATCH 1154/1716] Start moving format-specific code into doctest submodule --- src/librustdoc/doctest.rs | 129 ++--------------------------- src/librustdoc/doctest/markdown.rs | 1 + src/librustdoc/doctest/rust.rs | 126 ++++++++++++++++++++++++++++ 3 files changed, 136 insertions(+), 120 deletions(-) create mode 100644 src/librustdoc/doctest/markdown.rs create mode 100644 src/librustdoc/doctest/rust.rs diff --git a/src/librustdoc/doctest.rs b/src/librustdoc/doctest.rs index 08bc0f000845..58f65450e69c 100644 --- a/src/librustdoc/doctest.rs +++ b/src/librustdoc/doctest.rs @@ -1,20 +1,19 @@ +mod markdown; +mod rust; + use rustc_ast as ast; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_data_structures::sync::Lrc; use rustc_errors::emitter::stderr_destination; use rustc_errors::{ColorConfig, ErrorGuaranteed, FatalError}; -use rustc_hir::def_id::{LocalDefId, CRATE_DEF_ID, LOCAL_CRATE}; -use rustc_hir::{self as hir, intravisit, CRATE_HIR_ID}; +use rustc_hir::def_id::{CRATE_DEF_ID, LOCAL_CRATE}; +use rustc_hir::CRATE_HIR_ID; use rustc_interface::interface; -use rustc_middle::hir::map::Map; -use rustc_middle::hir::nested_filter; -use rustc_middle::ty::TyCtxt; use rustc_parse::new_parser_from_source_str; use rustc_parse::parser::attr::InnerAttrPolicy; -use rustc_resolve::rustdoc::span_of_fragments; use rustc_session::config::{self, CrateType, ErrorOutputType}; +use rustc_session::lint; use rustc_session::parse::ParseSess; -use rustc_session::{lint, Session}; use rustc_span::edition::Edition; use rustc_span::source_map::SourceMap; use rustc_span::symbol::sym; @@ -33,11 +32,12 @@ use std::sync::{Arc, Mutex}; use tempfile::{Builder as TempFileBuilder, TempDir}; -use crate::clean::{types::AttributesExt, Attributes}; use crate::config::Options as RustdocOptions; -use crate::html::markdown::{self, ErrorCodes, Ignore, LangString}; +use crate::html::markdown::{ErrorCodes, Ignore, LangString}; use crate::lint::init_lints; +use self::rust::HirCollector; + /// Options that apply to all doctests in a crate or Markdown file (for `rustdoc foo.md`). #[derive(Clone, Default)] pub(crate) struct GlobalTestOptions { @@ -1293,116 +1293,5 @@ impl DoctestVisitor for Vec { } } -struct HirCollector<'a, 'hir, 'tcx> { - sess: &'a Session, - collector: &'a mut Collector, - map: Map<'hir>, - codes: ErrorCodes, - tcx: TyCtxt<'tcx>, -} - -impl<'a, 'hir, 'tcx> HirCollector<'a, 'hir, 'tcx> { - fn visit_testable( - &mut self, - name: String, - def_id: LocalDefId, - sp: Span, - nested: F, - ) { - let ast_attrs = self.tcx.hir().attrs(self.tcx.local_def_id_to_hir_id(def_id)); - if let Some(ref cfg) = ast_attrs.cfg(self.tcx, &FxHashSet::default()) { - if !cfg.matches(&self.sess.psess, Some(self.tcx.features())) { - return; - } - } - - let has_name = !name.is_empty(); - if has_name { - self.collector.names.push(name); - } - - // The collapse-docs pass won't combine sugared/raw doc attributes, or included files with - // anything else, this will combine them for us. - let attrs = Attributes::from_ast(ast_attrs); - if let Some(doc) = attrs.opt_doc_value() { - // Use the outermost invocation, so that doctest names come from where the docs were written. - let span = ast_attrs - .iter() - .find(|attr| attr.doc_str().is_some()) - .map(|attr| attr.span.ctxt().outer_expn().expansion_cause().unwrap_or(attr.span)) - .unwrap_or(DUMMY_SP); - self.collector.set_position(span); - markdown::find_testable_code( - &doc, - self.collector, - self.codes, - self.collector.enable_per_target_ignores, - Some(&crate::html::markdown::ExtraInfo::new( - self.tcx, - def_id.to_def_id(), - span_of_fragments(&attrs.doc_strings).unwrap_or(sp), - )), - ); - } - - nested(self); - - if has_name { - self.collector.names.pop(); - } - } -} - -impl<'a, 'hir, 'tcx> intravisit::Visitor<'hir> for HirCollector<'a, 'hir, 'tcx> { - type NestedFilter = nested_filter::All; - - fn nested_visit_map(&mut self) -> Self::Map { - self.map - } - - fn visit_item(&mut self, item: &'hir hir::Item<'_>) { - let name = match &item.kind { - hir::ItemKind::Impl(impl_) => { - rustc_hir_pretty::id_to_string(&self.map, impl_.self_ty.hir_id) - } - _ => item.ident.to_string(), - }; - - self.visit_testable(name, item.owner_id.def_id, item.span, |this| { - intravisit::walk_item(this, item); - }); - } - - fn visit_trait_item(&mut self, item: &'hir hir::TraitItem<'_>) { - self.visit_testable(item.ident.to_string(), item.owner_id.def_id, item.span, |this| { - intravisit::walk_trait_item(this, item); - }); - } - - fn visit_impl_item(&mut self, item: &'hir hir::ImplItem<'_>) { - self.visit_testable(item.ident.to_string(), item.owner_id.def_id, item.span, |this| { - intravisit::walk_impl_item(this, item); - }); - } - - fn visit_foreign_item(&mut self, item: &'hir hir::ForeignItem<'_>) { - self.visit_testable(item.ident.to_string(), item.owner_id.def_id, item.span, |this| { - intravisit::walk_foreign_item(this, item); - }); - } - - fn visit_variant(&mut self, v: &'hir hir::Variant<'_>) { - self.visit_testable(v.ident.to_string(), v.def_id, v.span, |this| { - intravisit::walk_variant(this, v); - }); - } - - fn visit_field_def(&mut self, f: &'hir hir::FieldDef<'_>) { - self.visit_testable(f.ident.to_string(), f.def_id, f.span, |this| { - intravisit::walk_field_def(this, f); - }); - } -} - #[cfg(test)] mod tests; diff --git a/src/librustdoc/doctest/markdown.rs b/src/librustdoc/doctest/markdown.rs new file mode 100644 index 000000000000..a55b2941b87f --- /dev/null +++ b/src/librustdoc/doctest/markdown.rs @@ -0,0 +1 @@ +//! Doctest functionality used only for doctests in `.md` Markdown files. diff --git a/src/librustdoc/doctest/rust.rs b/src/librustdoc/doctest/rust.rs new file mode 100644 index 000000000000..e4527de77a02 --- /dev/null +++ b/src/librustdoc/doctest/rust.rs @@ -0,0 +1,126 @@ +//! Doctest functionality used only for doctests in `.rs` source files. + +use rustc_data_structures::fx::FxHashSet; +use rustc_hir::def_id::LocalDefId; +use rustc_hir::{self as hir, intravisit}; +use rustc_middle::hir::map::Map; +use rustc_middle::hir::nested_filter; +use rustc_middle::ty::TyCtxt; +use rustc_resolve::rustdoc::span_of_fragments; +use rustc_session::Session; +use rustc_span::{Span, DUMMY_SP}; + +use super::Collector; +use crate::clean::{types::AttributesExt, Attributes}; +use crate::html::markdown::{self, ErrorCodes}; + +pub(super) struct HirCollector<'a, 'hir, 'tcx> { + pub(super) sess: &'a Session, + pub(super) collector: &'a mut Collector, + pub(super) map: Map<'hir>, + pub(super) codes: ErrorCodes, + pub(super) tcx: TyCtxt<'tcx>, +} + +impl<'a, 'hir, 'tcx> HirCollector<'a, 'hir, 'tcx> { + pub(super) fn visit_testable( + &mut self, + name: String, + def_id: LocalDefId, + sp: Span, + nested: F, + ) { + let ast_attrs = self.tcx.hir().attrs(self.tcx.local_def_id_to_hir_id(def_id)); + if let Some(ref cfg) = ast_attrs.cfg(self.tcx, &FxHashSet::default()) { + if !cfg.matches(&self.sess.psess, Some(self.tcx.features())) { + return; + } + } + + let has_name = !name.is_empty(); + if has_name { + self.collector.names.push(name); + } + + // The collapse-docs pass won't combine sugared/raw doc attributes, or included files with + // anything else, this will combine them for us. + let attrs = Attributes::from_ast(ast_attrs); + if let Some(doc) = attrs.opt_doc_value() { + // Use the outermost invocation, so that doctest names come from where the docs were written. + let span = ast_attrs + .iter() + .find(|attr| attr.doc_str().is_some()) + .map(|attr| attr.span.ctxt().outer_expn().expansion_cause().unwrap_or(attr.span)) + .unwrap_or(DUMMY_SP); + self.collector.set_position(span); + markdown::find_testable_code( + &doc, + self.collector, + self.codes, + self.collector.enable_per_target_ignores, + Some(&crate::html::markdown::ExtraInfo::new( + self.tcx, + def_id.to_def_id(), + span_of_fragments(&attrs.doc_strings).unwrap_or(sp), + )), + ); + } + + nested(self); + + if has_name { + self.collector.names.pop(); + } + } +} + +impl<'a, 'hir, 'tcx> intravisit::Visitor<'hir> for HirCollector<'a, 'hir, 'tcx> { + type NestedFilter = nested_filter::All; + + fn nested_visit_map(&mut self) -> Self::Map { + self.map + } + + fn visit_item(&mut self, item: &'hir hir::Item<'_>) { + let name = match &item.kind { + hir::ItemKind::Impl(impl_) => { + rustc_hir_pretty::id_to_string(&self.map, impl_.self_ty.hir_id) + } + _ => item.ident.to_string(), + }; + + self.visit_testable(name, item.owner_id.def_id, item.span, |this| { + intravisit::walk_item(this, item); + }); + } + + fn visit_trait_item(&mut self, item: &'hir hir::TraitItem<'_>) { + self.visit_testable(item.ident.to_string(), item.owner_id.def_id, item.span, |this| { + intravisit::walk_trait_item(this, item); + }); + } + + fn visit_impl_item(&mut self, item: &'hir hir::ImplItem<'_>) { + self.visit_testable(item.ident.to_string(), item.owner_id.def_id, item.span, |this| { + intravisit::walk_impl_item(this, item); + }); + } + + fn visit_foreign_item(&mut self, item: &'hir hir::ForeignItem<'_>) { + self.visit_testable(item.ident.to_string(), item.owner_id.def_id, item.span, |this| { + intravisit::walk_foreign_item(this, item); + }); + } + + fn visit_variant(&mut self, v: &'hir hir::Variant<'_>) { + self.visit_testable(v.ident.to_string(), v.def_id, v.span, |this| { + intravisit::walk_variant(this, v); + }); + } + + fn visit_field_def(&mut self, f: &'hir hir::FieldDef<'_>) { + self.visit_testable(f.ident.to_string(), f.def_id, f.span, |this| { + intravisit::walk_field_def(this, f); + }); + } +} From 16db1a1bd0ca3f82a470363b8e6f95a8d03f63c5 Mon Sep 17 00:00:00 2001 From: Noah Lev Date: Thu, 30 May 2024 22:42:32 -0700 Subject: [PATCH 1155/1716] Move Markdown-specific doctest code into submodule --- src/librustdoc/doctest.rs | 2 ++ src/librustdoc/doctest/markdown.rs | 46 ++++++++++++++++++++++++++++ src/librustdoc/lib.rs | 2 +- src/librustdoc/markdown.rs | 48 ++---------------------------- 4 files changed, 51 insertions(+), 47 deletions(-) diff --git a/src/librustdoc/doctest.rs b/src/librustdoc/doctest.rs index 58f65450e69c..22b5fa0951a4 100644 --- a/src/librustdoc/doctest.rs +++ b/src/librustdoc/doctest.rs @@ -1,6 +1,8 @@ mod markdown; mod rust; +pub(crate) use markdown::test as test_markdown; + use rustc_ast as ast; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_data_structures::sync::Lrc; diff --git a/src/librustdoc/doctest/markdown.rs b/src/librustdoc/doctest/markdown.rs index a55b2941b87f..13239b9a5172 100644 --- a/src/librustdoc/doctest/markdown.rs +++ b/src/librustdoc/doctest/markdown.rs @@ -1 +1,47 @@ //! Doctest functionality used only for doctests in `.md` Markdown files. + +use std::fs::read_to_string; + +use rustc_span::DUMMY_SP; +use tempfile::tempdir; + +use super::{generate_args_file, Collector, GlobalTestOptions}; +use crate::config::Options; +use crate::html::markdown::{find_testable_code, ErrorCodes}; + +/// Runs any tests/code examples in the markdown file `input`. +pub(crate) fn test(options: Options) -> Result<(), String> { + use rustc_session::config::Input; + let input_str = match &options.input { + Input::File(path) => { + read_to_string(&path).map_err(|err| format!("{}: {err}", path.display()))? + } + Input::Str { name: _, input } => input.clone(), + }; + + let mut opts = GlobalTestOptions::default(); + opts.no_crate_inject = true; + + let temp_dir = + tempdir().map_err(|error| format!("failed to create temporary directory: {error:?}"))?; + let file_path = temp_dir.path().join("rustdoc-cfgs"); + generate_args_file(&file_path, &options)?; + + let mut collector = Collector::new( + options.input.filestem().to_string(), + options.clone(), + true, + opts, + None, + options.input.opt_path().map(ToOwned::to_owned), + options.enable_per_target_ignores, + file_path, + ); + collector.set_position(DUMMY_SP); + let codes = ErrorCodes::from(options.unstable_features.is_nightly_build()); + + find_testable_code(&input_str, &mut collector, codes, options.enable_per_target_ignores, None); + + crate::doctest::run_tests(options.test_args, options.nocapture, collector.tests); + Ok(()) +} diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs index c0d2f9cfaf95..3b6bddf263a9 100644 --- a/src/librustdoc/lib.rs +++ b/src/librustdoc/lib.rs @@ -728,7 +728,7 @@ fn main_args( core::new_dcx(options.error_format, None, options.diagnostic_width, &options.unstable_opts); match (options.should_test, options.markdown_input()) { - (true, Some(_)) => return wrap_return(&diag, markdown::test(options)), + (true, Some(_)) => return wrap_return(&diag, doctest::test_markdown(options)), (true, None) => return doctest::run(&diag, options), (false, Some(input)) => { let input = input.to_owned(); diff --git a/src/librustdoc/markdown.rs b/src/librustdoc/markdown.rs index bcc5a37618a4..a98f81d011e8 100644 --- a/src/librustdoc/markdown.rs +++ b/src/librustdoc/markdown.rs @@ -3,18 +3,12 @@ use std::fs::{create_dir_all, read_to_string, File}; use std::io::prelude::*; use std::path::Path; -use tempfile::tempdir; - use rustc_span::edition::Edition; -use rustc_span::DUMMY_SP; -use crate::config::{Options, RenderOptions}; -use crate::doctest::{generate_args_file, Collector, GlobalTestOptions}; +use crate::config::RenderOptions; use crate::html::escape::Escape; use crate::html::markdown; -use crate::html::markdown::{ - find_testable_code, ErrorCodes, HeadingOffset, IdMap, Markdown, MarkdownWithToc, -}; +use crate::html::markdown::{ErrorCodes, HeadingOffset, IdMap, Markdown, MarkdownWithToc}; /// Separate any lines at the start of the file that begin with `# ` or `%`. fn extract_leading_metadata(s: &str) -> (Vec<&str>, &str) { @@ -137,41 +131,3 @@ pub(crate) fn render>( Ok(_) => Ok(()), } } - -/// Runs any tests/code examples in the markdown file `input`. -pub(crate) fn test(options: Options) -> Result<(), String> { - use rustc_session::config::Input; - let input_str = match &options.input { - Input::File(path) => { - read_to_string(&path).map_err(|err| format!("{}: {err}", path.display()))? - } - Input::Str { name: _, input } => input.clone(), - }; - - let mut opts = GlobalTestOptions::default(); - opts.no_crate_inject = true; - - let temp_dir = - tempdir().map_err(|error| format!("failed to create temporary directory: {error:?}"))?; - let file_path = temp_dir.path().join("rustdoc-cfgs"); - generate_args_file(&file_path, &options)?; - - let mut collector = Collector::new( - options.input.filestem().to_string(), - options.clone(), - true, - opts, - None, - options.input.opt_path().map(ToOwned::to_owned), - options.enable_per_target_ignores, - file_path, - ); - collector.set_position(DUMMY_SP); - let codes = ErrorCodes::from(options.unstable_features.is_nightly_build()); - - // For markdown files, custom code classes will be disabled until the feature is enabled by default. - find_testable_code(&input_str, &mut collector, codes, options.enable_per_target_ignores, None); - - crate::doctest::run_tests(options.test_args, options.nocapture, collector.tests); - Ok(()) -} From 85499ebf13d0c3c731ac5d69f02ed8e7eb2735bb Mon Sep 17 00:00:00 2001 From: Noah Lev Date: Fri, 31 May 2024 00:31:26 -0700 Subject: [PATCH 1156/1716] Separate doctest collection from running --- src/librustdoc/doctest.rs | 182 ++++++----------------------- src/librustdoc/doctest/markdown.rs | 110 ++++++++++++++--- src/librustdoc/doctest/rust.rs | 131 ++++++++++++++++----- 3 files changed, 236 insertions(+), 187 deletions(-) diff --git a/src/librustdoc/doctest.rs b/src/librustdoc/doctest.rs index 22b5fa0951a4..8088b57dd76b 100644 --- a/src/librustdoc/doctest.rs +++ b/src/librustdoc/doctest.rs @@ -8,7 +8,7 @@ use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_data_structures::sync::Lrc; use rustc_errors::emitter::stderr_destination; use rustc_errors::{ColorConfig, ErrorGuaranteed, FatalError}; -use rustc_hir::def_id::{CRATE_DEF_ID, LOCAL_CRATE}; +use rustc_hir::def_id::LOCAL_CRATE; use rustc_hir::CRATE_HIR_ID; use rustc_interface::interface; use rustc_parse::new_parser_from_source_str; @@ -19,10 +19,9 @@ use rustc_session::parse::ParseSess; use rustc_span::edition::Edition; use rustc_span::source_map::SourceMap; use rustc_span::symbol::sym; -use rustc_span::{BytePos, FileName, Pos, Span, DUMMY_SP}; +use rustc_span::FileName; use rustc_target::spec::{Target, TargetTriple}; -use std::env; use std::fs::File; use std::io::{self, Write}; use std::panic; @@ -38,7 +37,8 @@ use crate::config::Options as RustdocOptions; use crate::html::markdown::{ErrorCodes, Ignore, LangString}; use crate::lint::init_lints; -use self::rust::HirCollector; +use self::markdown::MdDoctest; +use self::rust::{HirCollector, RustDoctest}; /// Options that apply to all doctests in a crate or Markdown file (for `rustdoc foo.md`). #[derive(Clone, Default)] @@ -182,29 +182,19 @@ pub(crate) fn run( let mut collector = Collector::new( tcx.crate_name(LOCAL_CRATE).to_string(), options, - false, opts, - Some(compiler.sess.psess.clone_source_map()), - None, - enable_per_target_ignores, file_path, ); - let mut hir_collector = HirCollector { - sess: &compiler.sess, - collector: &mut collector, - map: tcx.hir(), - codes: ErrorCodes::from( - compiler.sess.opts.unstable_features.is_nightly_build(), - ), + let hir_collector = HirCollector::new( + &compiler.sess, + tcx.hir(), + ErrorCodes::from(compiler.sess.opts.unstable_features.is_nightly_build()), + enable_per_target_ignores, tcx, - }; - hir_collector.visit_testable( - "".to_string(), - CRATE_DEF_ID, - tcx.hir().span(CRATE_HIR_ID), - |this| tcx.hir().walk_toplevel_module(this), ); + let tests = hir_collector.collect_crate(); + tests.into_iter().for_each(|t| collector.add_test(ScrapedDoctest::Rust(t))); collector }); @@ -985,6 +975,12 @@ impl IndividualTestOptions { } } +/// A doctest scraped from the code, ready to be turned into a runnable test. +enum ScrapedDoctest { + Rust(RustDoctest), + Markdown(MdDoctest), +} + pub(crate) trait DoctestVisitor { fn visit_test(&mut self, test: String, config: LangString, line: usize); fn get_line(&self) -> usize { @@ -996,36 +992,9 @@ pub(crate) trait DoctestVisitor { pub(crate) struct Collector { pub(crate) tests: Vec, - // The name of the test displayed to the user, separated by `::`. - // - // In tests from Rust source, this is the path to the item - // e.g., `["std", "vec", "Vec", "push"]`. - // - // In tests from a markdown file, this is the titles of all headers (h1~h6) - // of the sections that contain the code block, e.g., if the markdown file is - // written as: - // - // ``````markdown - // # Title - // - // ## Subtitle - // - // ```rust - // assert!(true); - // ``` - // `````` - // - // the `names` vector of that test will be `["Title", "Subtitle"]`. - names: Vec, - rustdoc_options: RustdocOptions, - use_headers: bool, - enable_per_target_ignores: bool, crate_name: String, opts: GlobalTestOptions, - position: Span, - source_map: Option>, - filename: Option, visited_tests: FxHashMap<(String, usize), usize>, unused_extern_reports: Arc>>, compiling_test_count: AtomicUsize, @@ -1036,24 +1005,14 @@ impl Collector { pub(crate) fn new( crate_name: String, rustdoc_options: RustdocOptions, - use_headers: bool, opts: GlobalTestOptions, - source_map: Option>, - filename: Option, - enable_per_target_ignores: bool, arg_file: PathBuf, ) -> Collector { Collector { tests: Vec::new(), - names: Vec::new(), rustdoc_options, - use_headers, - enable_per_target_ignores, crate_name, opts, - position: DUMMY_SP, - source_map, - filename, visited_tests: FxHashMap::default(), unused_extern_reports: Default::default(), compiling_test_count: AtomicUsize::new(0), @@ -1061,8 +1020,8 @@ impl Collector { } } - fn generate_name(&self, line: usize, filename: &FileName) -> String { - let mut item_path = self.names.join("::"); + fn generate_name(&self, filename: &FileName, line: usize, logical_path: &[String]) -> String { + let mut item_path = logical_path.join("::"); item_path.retain(|c| c != ' '); if !item_path.is_empty() { item_path.push(' '); @@ -1070,40 +1029,24 @@ impl Collector { format!("{} - {item_path}(line {line})", filename.prefer_local()) } - pub(crate) fn set_position(&mut self, position: Span) { - self.position = position; - } - - fn get_filename(&self) -> FileName { - if let Some(ref source_map) = self.source_map { - let filename = source_map.span_to_filename(self.position); - if let FileName::Real(ref filename) = filename - && let Ok(cur_dir) = env::current_dir() - && let Some(local_path) = filename.local_path() - && let Ok(path) = local_path.strip_prefix(&cur_dir) - { - return path.to_owned().into(); + fn add_test(&mut self, test: ScrapedDoctest) { + let (filename, line, logical_path, langstr, text) = match test { + ScrapedDoctest::Rust(RustDoctest { filename, line, logical_path, langstr, text }) => { + (filename, line, logical_path, langstr, text) } - filename - } else if let Some(ref filename) = self.filename { - filename.clone().into() - } else { - FileName::Custom("input".to_owned()) - } - } -} + ScrapedDoctest::Markdown(MdDoctest { filename, line, logical_path, langstr, text }) => { + (filename, line, logical_path, langstr, text) + } + }; -impl DoctestVisitor for Collector { - fn visit_test(&mut self, test: String, config: LangString, line: usize) { - let filename = self.get_filename(); - let name = self.generate_name(line, &filename); + let name = self.generate_name(&filename, line, &logical_path); let crate_name = self.crate_name.clone(); let opts = self.opts.clone(); - let edition = config.edition.unwrap_or(self.rustdoc_options.edition); + let edition = langstr.edition.unwrap_or(self.rustdoc_options.edition); let target_str = self.rustdoc_options.target.to_string(); let unused_externs = self.unused_extern_reports.clone(); - let no_run = config.no_run || self.rustdoc_options.no_run; - if !config.compile_fail { + let no_run = langstr.no_run || self.rustdoc_options.no_run; + if !langstr.compile_fail { self.compiling_test_count.fetch_add(1, Ordering::SeqCst); } @@ -1140,11 +1083,11 @@ impl DoctestVisitor for Collector { let rustdoc_test_options = IndividualTestOptions::new(&self.rustdoc_options, &self.arg_file, test_id); - debug!("creating test {name}: {test}"); + debug!("creating test {name}: {text}"); self.tests.push(test::TestDescAndFn { desc: test::TestDesc { name: test::DynTestName(name), - ignore: match config.ignore { + ignore: match langstr.ignore { Ignore::All => true, Ignore::None => false, Ignore::Some(ref ignores) => ignores.iter().any(|s| target_str.contains(s)), @@ -1157,7 +1100,7 @@ impl DoctestVisitor for Collector { end_col: 0, // compiler failures are test failures should_panic: test::ShouldPanic::No, - compile_fail: config.compile_fail, + compile_fail: langstr.compile_fail, no_run, test_type: test::TestType::DocTest, }, @@ -1166,11 +1109,11 @@ impl DoctestVisitor for Collector { unused_externs.lock().unwrap().push(uext); }; let res = run_test( - &test, + &text, &crate_name, line, rustdoc_test_options, - config, + langstr, no_run, &opts, edition, @@ -1233,59 +1176,6 @@ impl DoctestVisitor for Collector { })), }); } - - fn get_line(&self) -> usize { - if let Some(ref source_map) = self.source_map { - let line = self.position.lo().to_usize(); - let line = source_map.lookup_char_pos(BytePos(line as u32)).line; - if line > 0 { line - 1 } else { line } - } else { - 0 - } - } - - fn visit_header(&mut self, name: &str, level: u32) { - if self.use_headers { - // We use these headings as test names, so it's good if - // they're valid identifiers. - let name = name - .chars() - .enumerate() - .map(|(i, c)| { - if (i == 0 && rustc_lexer::is_id_start(c)) - || (i != 0 && rustc_lexer::is_id_continue(c)) - { - c - } else { - '_' - } - }) - .collect::(); - - // Here we try to efficiently assemble the header titles into the - // test name in the form of `h1::h2::h3::h4::h5::h6`. - // - // Suppose that originally `self.names` contains `[h1, h2, h3]`... - let level = level as usize; - if level <= self.names.len() { - // ... Consider `level == 2`. All headers in the lower levels - // are irrelevant in this new level. So we should reset - // `self.names` to contain headers until

{ fn decorate_lint<'b>(self, diag: &'b mut Diag<'a, ()>) { - let message = self.assert_kind.diagnostic_message(); + diag.primary_message(match self.lint_kind { + AssertLintKind::ArithmeticOverflow => fluent::mir_transform_arithmetic_overflow, + AssertLintKind::UnconditionalPanic => fluent::mir_transform_operation_will_panic, + }); + let label = self.assert_kind.diagnostic_message(); self.assert_kind.add_args(&mut |name, value| { diag.arg(name, value); }); - diag.span_label(self.span, message); - } - - fn msg(&self) -> DiagMessage { - match self.lint_kind { - AssertLintKind::ArithmeticOverflow => fluent::mir_transform_arithmetic_overflow, - AssertLintKind::UnconditionalPanic => fluent::mir_transform_operation_will_panic, - } + diag.span_label(self.span, label); } } @@ -104,6 +101,7 @@ pub(crate) struct MustNotSupend<'tcx, 'a> { // Needed for def_path_str impl<'a> LintDiagnostic<'a, ()> for MustNotSupend<'_, '_> { fn decorate_lint<'b>(self, diag: &'b mut rustc_errors::Diag<'a, ()>) { + diag.primary_message(fluent::mir_transform_must_not_suspend); diag.span_label(self.yield_sp, fluent::_subdiag::label); if let Some(reason) = self.reason { diag.subdiagnostic(diag.dcx, reason); @@ -113,10 +111,6 @@ impl<'a> LintDiagnostic<'a, ()> for MustNotSupend<'_, '_> { diag.arg("def_path", self.tcx.def_path_str(self.def_id)); diag.arg("post", self.post); } - - fn msg(&self) -> rustc_errors::DiagMessage { - fluent::mir_transform_must_not_suspend - } } #[derive(Subdiagnostic)] diff --git a/compiler/rustc_pattern_analysis/src/lints.rs b/compiler/rustc_pattern_analysis/src/lints.rs index 1d10c9df4ab2..892aacd7ac5d 100644 --- a/compiler/rustc_pattern_analysis/src/lints.rs +++ b/compiler/rustc_pattern_analysis/src/lints.rs @@ -99,7 +99,6 @@ pub(crate) fn lint_nonexhaustive_missing_variants<'p, 'tcx>( use rustc_errors::LintDiagnostic; let mut err = rcx.tcx.dcx().struct_span_warn(arm.pat.data().span, ""); - err.primary_message(decorator.msg()); decorator.decorate_lint(&mut err); err.emit(); } diff --git a/compiler/rustc_trait_selection/src/traits/object_safety.rs b/compiler/rustc_trait_selection/src/traits/object_safety.rs index 8ce1271fc17a..f4051561dae4 100644 --- a/compiler/rustc_trait_selection/src/traits/object_safety.rs +++ b/compiler/rustc_trait_selection/src/traits/object_safety.rs @@ -13,7 +13,7 @@ use super::elaborate; use crate::infer::TyCtxtInferExt; use crate::traits::query::evaluate_obligation::InferCtxtExt; use crate::traits::{self, Obligation, ObligationCause}; -use rustc_errors::{DelayDm, FatalError, MultiSpan}; +use rustc_errors::{FatalError, MultiSpan}; use rustc_hir as hir; use rustc_hir::def_id::DefId; use rustc_middle::query::Providers; @@ -162,41 +162,36 @@ fn lint_object_unsafe_trait( ) { // Using `CRATE_NODE_ID` is wrong, but it's hard to get a more precise id. // It's also hard to get a use site span, so we use the method definition span. - tcx.node_span_lint( - WHERE_CLAUSES_OBJECT_SAFETY, - hir::CRATE_HIR_ID, - span, - DelayDm(|| format!("the trait `{}` cannot be made into an object", tcx.def_path_str(trait_def_id))), - |err| { - let node = tcx.hir().get_if_local(trait_def_id); - let mut spans = MultiSpan::from_span(span); - if let Some(hir::Node::Item(item)) = node { - spans.push_span_label( - item.ident.span, - "this trait cannot be made into an object...", - ); - spans.push_span_label(span, format!("...because {}", violation.error_msg())); - } else { - spans.push_span_label( - span, - format!( - "the trait cannot be made into an object because {}", - violation.error_msg() - ), - ); - }; - err.span_note( - spans, - "for a trait to be \"object safe\" it needs to allow building a vtable to allow the \ + tcx.node_span_lint(WHERE_CLAUSES_OBJECT_SAFETY, hir::CRATE_HIR_ID, span, |err| { + err.primary_message(format!( + "the trait `{}` cannot be made into an object", + tcx.def_path_str(trait_def_id) + )); + let node = tcx.hir().get_if_local(trait_def_id); + let mut spans = MultiSpan::from_span(span); + if let Some(hir::Node::Item(item)) = node { + spans.push_span_label(item.ident.span, "this trait cannot be made into an object..."); + spans.push_span_label(span, format!("...because {}", violation.error_msg())); + } else { + spans.push_span_label( + span, + format!( + "the trait cannot be made into an object because {}", + violation.error_msg() + ), + ); + }; + err.span_note( + spans, + "for a trait to be \"object safe\" it needs to allow building a vtable to allow the \ call to be resolvable dynamically; for more information visit \ ", - ); - if node.is_some() { - // Only provide the help if its a local trait, otherwise it's not - violation.solution().add_to(err); - } - }, - ); + ); + if node.is_some() { + // Only provide the help if its a local trait, otherwise it's not + violation.solution().add_to(err); + } + }); } fn sized_trait_bound_spans<'tcx>( diff --git a/compiler/rustc_trait_selection/src/traits/specialize/mod.rs b/compiler/rustc_trait_selection/src/traits/specialize/mod.rs index 826bb706f48b..c2727ae6bfd9 100644 --- a/compiler/rustc_trait_selection/src/traits/specialize/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/specialize/mod.rs @@ -21,7 +21,7 @@ use crate::traits::{ self, coherence, FutureCompatOverlapErrorKind, ObligationCause, ObligationCtxt, }; use rustc_data_structures::fx::FxIndexSet; -use rustc_errors::{codes::*, DelayDm, Diag, EmissionGuarantee}; +use rustc_errors::{codes::*, Diag, EmissionGuarantee}; use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_middle::bug; use rustc_middle::ty::{self, ImplSubject, Ty, TyCtxt, TypeVisitableExt}; @@ -449,7 +449,7 @@ fn report_conflicting_impls<'tcx>( } } - let msg = DelayDm(|| { + let msg = || { format!( "conflicting implementations of trait `{}`{}{}", overlap.trait_ref.print_trait_sugared(), @@ -459,7 +459,7 @@ fn report_conflicting_impls<'tcx>( _ => "", } ) - }); + }; // Don't report overlap errors if the header references error if let Err(err) = (overlap.trait_ref, overlap.self_ty).error_reported() { @@ -471,7 +471,7 @@ fn report_conflicting_impls<'tcx>( let reported = if overlap.with_impl.is_local() || tcx.ensure().orphan_check_impl(impl_def_id).is_ok() { - let mut err = tcx.dcx().struct_span_err(impl_span, msg); + let mut err = tcx.dcx().struct_span_err(impl_span, msg()); err.code(E0119); decorate(tcx, &overlap, impl_span, &mut err); err.emit() @@ -485,15 +485,10 @@ fn report_conflicting_impls<'tcx>( FutureCompatOverlapErrorKind::OrderDepTraitObjects => ORDER_DEPENDENT_TRAIT_OBJECTS, FutureCompatOverlapErrorKind::LeakCheck => COHERENCE_LEAK_CHECK, }; - tcx.node_span_lint( - lint, - tcx.local_def_id_to_hir_id(impl_def_id), - impl_span, - msg, - |err| { - decorate(tcx, &overlap, impl_span, err); - }, - ); + tcx.node_span_lint(lint, tcx.local_def_id_to_hir_id(impl_def_id), impl_span, |err| { + err.primary_message(msg()); + decorate(tcx, &overlap, impl_span, err); + }); Ok(()) } } diff --git a/src/librustdoc/core.rs b/src/librustdoc/core.rs index feb03b9a823e..4b132cf60d3b 100644 --- a/src/librustdoc/core.rs +++ b/src/librustdoc/core.rs @@ -372,8 +372,8 @@ pub(crate) fn run_global_ctxt( tcx.node_lint( crate::lint::MISSING_CRATE_LEVEL_DOCS, DocContext::as_local_hir_id(tcx, krate.module.item_id).unwrap(), - "no documentation found for this crate's top-level module", |lint| { + lint.primary_message("no documentation found for this crate's top-level module"); lint.help(help); }, ); diff --git a/src/librustdoc/html/markdown.rs b/src/librustdoc/html/markdown.rs index 5c5651f3ef0e..362f9021671f 100644 --- a/src/librustdoc/html/markdown.rs +++ b/src/librustdoc/html/markdown.rs @@ -834,8 +834,9 @@ impl<'tcx> ExtraInfo<'tcx> { crate::lint::INVALID_CODEBLOCK_ATTRIBUTES, self.tcx.local_def_id_to_hir_id(def_id), self.sp, - msg, - |_| {}, + |lint| { + lint.primary_message(msg); + }, ); } } @@ -850,8 +851,10 @@ impl<'tcx> ExtraInfo<'tcx> { crate::lint::INVALID_CODEBLOCK_ATTRIBUTES, self.tcx.local_def_id_to_hir_id(def_id), self.sp, - msg, - f, + |lint| { + lint.primary_message(msg); + f(lint); + }, ); } } diff --git a/src/librustdoc/passes/check_doc_test_visibility.rs b/src/librustdoc/passes/check_doc_test_visibility.rs index e85b998bfbe1..257bab3e9fcb 100644 --- a/src/librustdoc/passes/check_doc_test_visibility.rs +++ b/src/librustdoc/passes/check_doc_test_visibility.rs @@ -125,13 +125,9 @@ pub(crate) fn look_for_tests<'tcx>(cx: &DocContext<'tcx>, dox: &str, item: &Item if should_have_doc_example(cx, item) { debug!("reporting error for {item:?} (hir_id={hir_id:?})"); let sp = item.attr_span(cx.tcx); - cx.tcx.node_span_lint( - crate::lint::MISSING_DOC_CODE_EXAMPLES, - hir_id, - sp, - "missing code example in this documentation", - |_| {}, - ); + cx.tcx.node_span_lint(crate::lint::MISSING_DOC_CODE_EXAMPLES, hir_id, sp, |lint| { + lint.primary_message("missing code example in this documentation"); + }); } } else if tests.found_tests > 0 && !cx.cache.effective_visibilities.is_exported(cx.tcx, item.item_id.expect_def_id()) @@ -140,8 +136,9 @@ pub(crate) fn look_for_tests<'tcx>(cx: &DocContext<'tcx>, dox: &str, item: &Item crate::lint::PRIVATE_DOC_TESTS, hir_id, item.attr_span(cx.tcx), - "documentation test in private item", - |_| {}, + |lint| { + lint.primary_message("documentation test in private item"); + }, ); } } diff --git a/src/librustdoc/passes/collect_intra_doc_links.rs b/src/librustdoc/passes/collect_intra_doc_links.rs index 747f5c0a8356..8ab24a8c12e5 100644 --- a/src/librustdoc/passes/collect_intra_doc_links.rs +++ b/src/librustdoc/passes/collect_intra_doc_links.rs @@ -1689,7 +1689,9 @@ fn report_diagnostic( let sp = item.attr_span(tcx); - tcx.node_span_lint(lint, hir_id, sp, msg, |lint| { + tcx.node_span_lint(lint, hir_id, sp, |lint| { + lint.primary_message(msg); + let (span, link_range) = match link_range { MarkdownLinkRange::Destination(md_range) => { let mut md_range = md_range.clone(); diff --git a/src/librustdoc/passes/lint/bare_urls.rs b/src/librustdoc/passes/lint/bare_urls.rs index c6989fbbf255..8f68f6ff4764 100644 --- a/src/librustdoc/passes/lint/bare_urls.rs +++ b/src/librustdoc/passes/lint/bare_urls.rs @@ -24,8 +24,9 @@ pub(super) fn visit_item(cx: &DocContext<'_>, item: &Item) { let sp = source_span_for_markdown_range(cx.tcx, &dox, &range, &item.attrs.doc_strings) .unwrap_or_else(|| item.attr_span(cx.tcx)); - cx.tcx.node_span_lint(crate::lint::BARE_URLS, hir_id, sp, msg, |lint| { - lint.note("bare URLs are not automatically turned into clickable links") + cx.tcx.node_span_lint(crate::lint::BARE_URLS, hir_id, sp, |lint| { + lint.primary_message(msg) + .note("bare URLs are not automatically turned into clickable links") .span_suggestion( sp, "use an automatic link instead", diff --git a/src/librustdoc/passes/lint/check_code_block_syntax.rs b/src/librustdoc/passes/lint/check_code_block_syntax.rs index 7b81b5e63be6..9562559fba26 100644 --- a/src/librustdoc/passes/lint/check_code_block_syntax.rs +++ b/src/librustdoc/passes/lint/check_code_block_syntax.rs @@ -99,7 +99,9 @@ fn check_rust_syntax( // All points of divergence have been handled earlier so this can be // done the same way whether the span is precise or not. let hir_id = cx.tcx.local_def_id_to_hir_id(local_id); - cx.tcx.node_span_lint(crate::lint::INVALID_RUST_CODEBLOCKS, hir_id, sp, msg, |lint| { + cx.tcx.node_span_lint(crate::lint::INVALID_RUST_CODEBLOCKS, hir_id, sp, |lint| { + lint.primary_message(msg); + let explanation = if is_ignore { "`ignore` code blocks require valid Rust code for syntax highlighting; \ mark blocks that do not contain Rust code as text" diff --git a/src/librustdoc/passes/lint/html_tags.rs b/src/librustdoc/passes/lint/html_tags.rs index da3770aa927a..25b0c61b826f 100644 --- a/src/librustdoc/passes/lint/html_tags.rs +++ b/src/librustdoc/passes/lint/html_tags.rs @@ -25,8 +25,11 @@ pub(crate) fn visit_item(cx: &DocContext<'_>, item: &Item) { Some(sp) => sp, None => item.attr_span(tcx), }; - tcx.node_span_lint(crate::lint::INVALID_HTML_TAGS, hir_id, sp, msg, |lint| { + tcx.node_span_lint(crate::lint::INVALID_HTML_TAGS, hir_id, sp, |lint| { use rustc_lint_defs::Applicability; + + lint.primary_message(msg); + // If a tag looks like ``, it might actually be a generic. // We don't try to detect stuff `` because that's not valid HTML, // and we don't try to detect stuff `` because that's not valid Rust. diff --git a/src/librustdoc/passes/lint/redundant_explicit_links.rs b/src/librustdoc/passes/lint/redundant_explicit_links.rs index 098860245951..7ab974046b9c 100644 --- a/src/librustdoc/passes/lint/redundant_explicit_links.rs +++ b/src/librustdoc/passes/lint/redundant_explicit_links.rs @@ -188,8 +188,9 @@ fn check_inline_or_reference_unknown_redundancy( &item.attrs.doc_strings, )?; - cx.tcx.node_span_lint(crate::lint::REDUNDANT_EXPLICIT_LINKS, hir_id, explicit_span, "redundant explicit link target", |lint| { - lint.span_label(explicit_span, "explicit target is redundant") + cx.tcx.node_span_lint(crate::lint::REDUNDANT_EXPLICIT_LINKS, hir_id, explicit_span, |lint| { + lint.primary_message("redundant explicit link target") + .span_label(explicit_span, "explicit target is redundant") .span_label(display_span, "because label contains path that resolves to same destination") .note("when a link's destination is not specified,\nthe label is used to resolve intra-doc links") .span_suggestion_with_style(link_span, "remove explicit link target", format!("[{}]", link_data.display_link), Applicability::MaybeIncorrect, SuggestionStyle::ShowAlways); @@ -238,8 +239,9 @@ fn check_reference_redundancy( &item.attrs.doc_strings, )?; - cx.tcx.node_span_lint(crate::lint::REDUNDANT_EXPLICIT_LINKS, hir_id, explicit_span, "redundant explicit link target", |lint| { - lint.span_label(explicit_span, "explicit target is redundant") + cx.tcx.node_span_lint(crate::lint::REDUNDANT_EXPLICIT_LINKS, hir_id, explicit_span, |lint| { + lint.primary_message("redundant explicit link target") + .span_label(explicit_span, "explicit target is redundant") .span_label(display_span, "because label contains path that resolves to same destination") .span_note(def_span, "referenced explicit link target defined here") .note("when a link's destination is not specified,\nthe label is used to resolve intra-doc links") diff --git a/src/librustdoc/passes/lint/unescaped_backticks.rs b/src/librustdoc/passes/lint/unescaped_backticks.rs index 4ea926cb79aa..be9670077d17 100644 --- a/src/librustdoc/passes/lint/unescaped_backticks.rs +++ b/src/librustdoc/passes/lint/unescaped_backticks.rs @@ -56,17 +56,28 @@ pub(crate) fn visit_item(cx: &DocContext<'_>, item: &Item) { ) .unwrap_or_else(|| item.attr_span(tcx)); - tcx.node_span_lint(crate::lint::UNESCAPED_BACKTICKS, hir_id, span, "unescaped backtick", |lint| { + tcx.node_span_lint(crate::lint::UNESCAPED_BACKTICKS, hir_id, span, |lint| { + lint.primary_message("unescaped backtick"); + let mut help_emitted = false; match element.prev_code_guess { PrevCodeGuess::None => {} PrevCodeGuess::Start { guess, .. } => { // "foo` `bar`" -> "`foo` `bar`" - if let Some(suggest_index) = clamp_start(guess, &element.suggestible_ranges) + if let Some(suggest_index) = + clamp_start(guess, &element.suggestible_ranges) && can_suggest_backtick(&dox, suggest_index) { - suggest_insertion(cx, item, &dox, lint, suggest_index, '`', "the opening backtick of a previous inline code may be missing"); + suggest_insertion( + cx, + item, + &dox, + lint, + suggest_index, + '`', + "the opening backtick of a previous inline code may be missing", + ); help_emitted = true; } } @@ -76,7 +87,15 @@ pub(crate) fn visit_item(cx: &DocContext<'_>, item: &Item) { // an inline code node and we intentionally "break" the inline code here. let suggest_index = guess; if can_suggest_backtick(&dox, suggest_index) { - suggest_insertion(cx, item, &dox, lint, suggest_index, '`', "a previous inline code might be longer than expected"); + suggest_insertion( + cx, + item, + &dox, + lint, + suggest_index, + '`', + "a previous inline code might be longer than expected", + ); help_emitted = true; } } @@ -84,11 +103,21 @@ pub(crate) fn visit_item(cx: &DocContext<'_>, item: &Item) { if !element.prev_code_guess.is_confident() { // "`foo` bar`" -> "`foo` `bar`" - if let Some(guess) = guess_start_of_code(&dox, element.element_range.start..backtick_index) - && let Some(suggest_index) = clamp_start(guess, &element.suggestible_ranges) + if let Some(guess) = + guess_start_of_code(&dox, element.element_range.start..backtick_index) + && let Some(suggest_index) = + clamp_start(guess, &element.suggestible_ranges) && can_suggest_backtick(&dox, suggest_index) { - suggest_insertion(cx, item, &dox, lint, suggest_index, '`', "the opening backtick of an inline code may be missing"); + suggest_insertion( + cx, + item, + &dox, + lint, + suggest_index, + '`', + "the opening backtick of an inline code may be missing", + ); help_emitted = true; } @@ -96,21 +125,41 @@ pub(crate) fn visit_item(cx: &DocContext<'_>, item: &Item) { // Don't suggest closing backtick after single trailing char, // if we already suggested opening backtick. For example: // "foo`." -> "`foo`." or "foo`s" -> "`foo`s". - if let Some(guess) = guess_end_of_code(&dox, backtick_index + 1..element.element_range.end) - && let Some(suggest_index) = clamp_end(guess, &element.suggestible_ranges) + if let Some(guess) = + guess_end_of_code(&dox, backtick_index + 1..element.element_range.end) + && let Some(suggest_index) = + clamp_end(guess, &element.suggestible_ranges) && can_suggest_backtick(&dox, suggest_index) && (!help_emitted || suggest_index - backtick_index > 2) { - suggest_insertion(cx, item, &dox, lint, suggest_index, '`', "the closing backtick of an inline code may be missing"); + suggest_insertion( + cx, + item, + &dox, + lint, + suggest_index, + '`', + "the closing backtick of an inline code may be missing", + ); help_emitted = true; } } if !help_emitted { - lint.help("the opening or closing backtick of an inline code may be missing"); + lint.help( + "the opening or closing backtick of an inline code may be missing", + ); } - suggest_insertion(cx, item, &dox, lint, backtick_index, '\\', "if you meant to use a literal backtick, escape it"); + suggest_insertion( + cx, + item, + &dox, + lint, + backtick_index, + '\\', + "if you meant to use a literal backtick, escape it", + ); }); } Event::Code(_) => { diff --git a/src/tools/clippy/clippy_utils/src/diagnostics.rs b/src/tools/clippy/clippy_utils/src/diagnostics.rs index dc0a139e3c78..0641d37cd9a6 100644 --- a/src/tools/clippy/clippy_utils/src/diagnostics.rs +++ b/src/tools/clippy/clippy_utils/src/diagnostics.rs @@ -61,7 +61,8 @@ fn docs_link(diag: &mut Diag<'_, ()>, lint: &'static Lint) { /// ``` pub fn span_lint(cx: &T, lint: &'static Lint, sp: impl Into, msg: impl Into) { #[expect(clippy::disallowed_methods)] - cx.span_lint(lint, sp, msg.into(), |diag| { + cx.span_lint(lint, sp, |diag| { + diag.primary_message(msg); docs_link(diag, lint); }); } @@ -109,7 +110,8 @@ pub fn span_lint_and_help( help: impl Into, ) { #[expect(clippy::disallowed_methods)] - cx.span_lint(lint, span, msg.into(), |diag| { + cx.span_lint(lint, span, |diag| { + diag.primary_message(msg); if let Some(help_span) = help_span { diag.span_help(help_span, help.into()); } else { @@ -165,7 +167,8 @@ pub fn span_lint_and_note( note: impl Into, ) { #[expect(clippy::disallowed_methods)] - cx.span_lint(lint, span, msg.into(), |diag| { + cx.span_lint(lint, span, |diag| { + diag.primary_message(msg); if let Some(note_span) = note_span { diag.span_note(note_span, note.into()); } else { @@ -201,7 +204,8 @@ where F: FnOnce(&mut Diag<'_, ()>), { #[expect(clippy::disallowed_methods)] - cx.span_lint(lint, sp, msg, |diag| { + cx.span_lint(lint, sp, |diag| { + diag.primary_message(msg); f(diag); docs_link(diag, lint); }); @@ -233,7 +237,8 @@ where /// the `#[allow]` will work. pub fn span_lint_hir(cx: &LateContext<'_>, lint: &'static Lint, hir_id: HirId, sp: Span, msg: impl Into) { #[expect(clippy::disallowed_methods)] - cx.tcx.node_span_lint(lint, hir_id, sp, msg.into(), |diag| { + cx.tcx.node_span_lint(lint, hir_id, sp, |diag| { + diag.primary_message(msg); docs_link(diag, lint); }); } @@ -271,7 +276,8 @@ pub fn span_lint_hir_and_then( f: impl FnOnce(&mut Diag<'_, ()>), ) { #[expect(clippy::disallowed_methods)] - cx.tcx.node_span_lint(lint, hir_id, sp, msg.into(), |diag| { + cx.tcx.node_span_lint(lint, hir_id, sp, |diag| { + diag.primary_message(msg); f(diag); docs_link(diag, lint); }); diff --git a/src/tools/clippy/tests/ui-internal/disallow_span_lint.rs b/src/tools/clippy/tests/ui-internal/disallow_span_lint.rs index 5a2a868ed3ec..b91a83308b5f 100644 --- a/src/tools/clippy/tests/ui-internal/disallow_span_lint.rs +++ b/src/tools/clippy/tests/ui-internal/disallow_span_lint.rs @@ -11,11 +11,11 @@ use rustc_lint::{Lint, LintContext}; use rustc_middle::ty::TyCtxt; pub fn a(cx: impl LintContext, lint: &'static Lint, span: impl Into, msg: impl Into) { - cx.span_lint(lint, span, msg, |_| {}); + cx.span_lint(lint, span, |lint| { lint.primary_message(msg); }); } pub fn b(tcx: TyCtxt<'_>, lint: &'static Lint, hir_id: HirId, span: impl Into, msg: impl Into) { - tcx.node_span_lint(lint, hir_id, span, msg, |_| {}); + tcx.node_span_lint(lint, hir_id, span, |lint| { lint.primary_message(msg); }); } fn main() {} diff --git a/src/tools/clippy/tests/ui-internal/disallow_span_lint.stderr b/src/tools/clippy/tests/ui-internal/disallow_span_lint.stderr index cfc590bed369..1cfbc8efc8ed 100644 --- a/src/tools/clippy/tests/ui-internal/disallow_span_lint.stderr +++ b/src/tools/clippy/tests/ui-internal/disallow_span_lint.stderr @@ -1,8 +1,8 @@ error: use of a disallowed method `rustc_lint::context::LintContext::span_lint` --> tests/ui-internal/disallow_span_lint.rs:14:5 | -LL | cx.span_lint(lint, span, msg, |_| {}); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | cx.span_lint(lint, span, |lint| { lint.primary_message(msg); }); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: this function does not add a link to our documentation, please use the `clippy_utils::diagnostics::span_lint*` functions instead (from clippy.toml) = note: `-D clippy::disallowed-methods` implied by `-D warnings` @@ -11,8 +11,8 @@ LL | cx.span_lint(lint, span, msg, |_| {}); error: use of a disallowed method `rustc_middle::ty::context::TyCtxt::node_span_lint` --> tests/ui-internal/disallow_span_lint.rs:18:5 | -LL | tcx.node_span_lint(lint, hir_id, span, msg, |_| {}); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | tcx.node_span_lint(lint, hir_id, span, |lint| { lint.primary_message(msg); }); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: this function does not add a link to our documentation, please use the `clippy_utils::diagnostics::span_lint_hir*` functions instead (from clippy.toml) diff --git a/tests/ui-fulldeps/internal-lints/diagnostics.rs b/tests/ui-fulldeps/internal-lints/diagnostics.rs index 380b2b6c431d..7c3a2c97474d 100644 --- a/tests/ui-fulldeps/internal-lints/diagnostics.rs +++ b/tests/ui-fulldeps/internal-lints/diagnostics.rs @@ -85,10 +85,6 @@ impl<'a> LintDiagnostic<'a, ()> for UntranslatableInLintDiagnostic { diag.note("untranslatable diagnostic"); //~^ ERROR diagnostics should be created using translatable messages } - - fn msg(&self) -> DiagMessage { - unreachable!(); - } } pub struct TranslatableInLintDiagnostic; @@ -97,10 +93,6 @@ impl<'a> LintDiagnostic<'a, ()> for TranslatableInLintDiagnostic { fn decorate_lint<'b>(self, diag: &'b mut Diag<'a, ()>) { diag.note(crate::fluent_generated::no_crate_note); } - - fn msg(&self) -> DiagMessage { - unreachable!(); - } } pub fn make_diagnostics<'a>(dcx: &'a DiagCtxt) { diff --git a/tests/ui-fulldeps/internal-lints/diagnostics.stderr b/tests/ui-fulldeps/internal-lints/diagnostics.stderr index ee5400f6f951..669324ce5d4c 100644 --- a/tests/ui-fulldeps/internal-lints/diagnostics.stderr +++ b/tests/ui-fulldeps/internal-lints/diagnostics.stderr @@ -23,7 +23,7 @@ LL | diag.note("untranslatable diagnostic"); | ^^^^ error: diagnostics should only be created in `Diagnostic`/`Subdiagnostic`/`LintDiagnostic` impls - --> $DIR/diagnostics.rs:107:21 + --> $DIR/diagnostics.rs:99:21 | LL | let _diag = dcx.struct_err(crate::fluent_generated::no_crate_example); | ^^^^^^^^^^ @@ -35,13 +35,13 @@ LL | #![deny(rustc::diagnostic_outside_of_impl)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: diagnostics should only be created in `Diagnostic`/`Subdiagnostic`/`LintDiagnostic` impls - --> $DIR/diagnostics.rs:110:21 + --> $DIR/diagnostics.rs:102:21 | LL | let _diag = dcx.struct_err("untranslatable diagnostic"); | ^^^^^^^^^^ error: diagnostics should be created using translatable messages - --> $DIR/diagnostics.rs:110:21 + --> $DIR/diagnostics.rs:102:21 | LL | let _diag = dcx.struct_err("untranslatable diagnostic"); | ^^^^^^^^^^ diff --git a/tests/ui-fulldeps/session-diagnostic/diagnostic-derive.rs b/tests/ui-fulldeps/session-diagnostic/diagnostic-derive.rs index 043c7c166540..4f50837d5fe4 100644 --- a/tests/ui-fulldeps/session-diagnostic/diagnostic-derive.rs +++ b/tests/ui-fulldeps/session-diagnostic/diagnostic-derive.rs @@ -603,7 +603,6 @@ struct LintAttributeOnSessionDiag {} #[derive(LintDiagnostic)] #[lint(no_crate_example, code = E0123)] //~^ ERROR `#[lint(...)]` is not a valid attribute -//~| ERROR `#[lint(...)]` is not a valid attribute //~| ERROR diagnostic slug not specified //~| ERROR cannot find attribute `lint` in this scope struct LintAttributeOnLintDiag {} diff --git a/tests/ui-fulldeps/session-diagnostic/diagnostic-derive.stderr b/tests/ui-fulldeps/session-diagnostic/diagnostic-derive.stderr index 1266430e2f77..e36c6852d3b2 100644 --- a/tests/ui-fulldeps/session-diagnostic/diagnostic-derive.stderr +++ b/tests/ui-fulldeps/session-diagnostic/diagnostic-derive.stderr @@ -378,14 +378,6 @@ error: `#[lint(...)]` is not a valid attribute LL | #[lint(no_crate_example, code = E0123)] | ^ -error: `#[lint(...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:604:1 - | -LL | #[lint(no_crate_example, code = E0123)] - | ^ - | - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` - error: diagnostic slug not specified --> $DIR/diagnostic-derive.rs:604:1 | @@ -395,19 +387,19 @@ LL | #[lint(no_crate_example, code = E0123)] = help: specify the slug as the first argument to the attribute, such as `#[diag(compiletest_example)]` error: specified multiple times - --> $DIR/diagnostic-derive.rs:614:53 + --> $DIR/diagnostic-derive.rs:613:53 | LL | #[suggestion(no_crate_suggestion, code = "...", code = ",,,")] | ^^^^ | note: previously specified here - --> $DIR/diagnostic-derive.rs:614:39 + --> $DIR/diagnostic-derive.rs:613:39 | LL | #[suggestion(no_crate_suggestion, code = "...", code = ",,,")] | ^^^^ error: wrong types for suggestion - --> $DIR/diagnostic-derive.rs:623:24 + --> $DIR/diagnostic-derive.rs:622:24 | LL | suggestion: (Span, usize), | ^^^^^ @@ -415,7 +407,7 @@ LL | suggestion: (Span, usize), = help: `#[suggestion(...)]` on a tuple field must be applied to fields of type `(Span, Applicability)` error: wrong types for suggestion - --> $DIR/diagnostic-derive.rs:631:17 + --> $DIR/diagnostic-derive.rs:630:17 | LL | suggestion: (Span,), | ^^^^^^^ @@ -423,13 +415,13 @@ LL | suggestion: (Span,), = help: `#[suggestion(...)]` on a tuple field must be applied to fields of type `(Span, Applicability)` error: suggestion without `code = "..."` - --> $DIR/diagnostic-derive.rs:638:5 + --> $DIR/diagnostic-derive.rs:637:5 | LL | #[suggestion(no_crate_suggestion)] | ^ error: `#[multipart_suggestion(...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:645:1 + --> $DIR/diagnostic-derive.rs:644:1 | LL | #[multipart_suggestion(no_crate_suggestion)] | ^ @@ -437,7 +429,7 @@ LL | #[multipart_suggestion(no_crate_suggestion)] = help: consider creating a `Subdiagnostic` instead error: `#[multipart_suggestion(...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:648:1 + --> $DIR/diagnostic-derive.rs:647:1 | LL | #[multipart_suggestion()] | ^ @@ -445,7 +437,7 @@ LL | #[multipart_suggestion()] = help: consider creating a `Subdiagnostic` instead error: `#[multipart_suggestion(...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:652:5 + --> $DIR/diagnostic-derive.rs:651:5 | LL | #[multipart_suggestion(no_crate_suggestion)] | ^ @@ -453,7 +445,7 @@ LL | #[multipart_suggestion(no_crate_suggestion)] = help: consider creating a `Subdiagnostic` instead error: `#[suggestion(...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:660:1 + --> $DIR/diagnostic-derive.rs:659:1 | LL | #[suggestion(no_crate_suggestion, code = "...")] | ^ @@ -461,7 +453,7 @@ LL | #[suggestion(no_crate_suggestion, code = "...")] = help: `#[label]` and `#[suggestion]` can only be applied to fields error: `#[label]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:669:1 + --> $DIR/diagnostic-derive.rs:668:1 | LL | #[label] | ^ @@ -469,61 +461,61 @@ LL | #[label] = help: `#[label]` and `#[suggestion]` can only be applied to fields error: `#[subdiagnostic(...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:703:5 + --> $DIR/diagnostic-derive.rs:702:5 | LL | #[subdiagnostic(bad)] | ^ error: `#[subdiagnostic = ...]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:711:5 + --> $DIR/diagnostic-derive.rs:710:5 | LL | #[subdiagnostic = "bad"] | ^ error: `#[subdiagnostic(...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:719:5 + --> $DIR/diagnostic-derive.rs:718:5 | LL | #[subdiagnostic(bad, bad)] | ^ error: `#[subdiagnostic(...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:727:5 + --> $DIR/diagnostic-derive.rs:726:5 | LL | #[subdiagnostic("bad")] | ^ error: `#[subdiagnostic(...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:735:5 + --> $DIR/diagnostic-derive.rs:734:5 | LL | #[subdiagnostic(eager)] | ^ error: `#[subdiagnostic(...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:743:5 + --> $DIR/diagnostic-derive.rs:742:5 | LL | #[subdiagnostic(eager)] | ^ error: `#[subdiagnostic(...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:764:5 + --> $DIR/diagnostic-derive.rs:763:5 | LL | #[subdiagnostic(eager)] | ^ error: expected at least one string literal for `code(...)` - --> $DIR/diagnostic-derive.rs:795:23 + --> $DIR/diagnostic-derive.rs:794:23 | LL | #[suggestion(code())] | ^ error: `code(...)` must contain only string literals - --> $DIR/diagnostic-derive.rs:803:23 + --> $DIR/diagnostic-derive.rs:802:23 | LL | #[suggestion(code(foo))] | ^^^ error: `#[suggestion(...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:827:5 + --> $DIR/diagnostic-derive.rs:826:5 | LL | #[suggestion(no_crate_suggestion, code = "")] | ^ @@ -539,13 +531,13 @@ LL | #[diag = "E0123"] | ^ maybe a missing crate `core`? error[E0433]: failed to resolve: maybe a missing crate `core`? - --> $DIR/diagnostic-derive.rs:803:23 + --> $DIR/diagnostic-derive.rs:802:23 | LL | #[suggestion(code(foo))] | ^^^ maybe a missing crate `core`? error[E0433]: failed to resolve: maybe a missing crate `core`? - --> $DIR/diagnostic-derive.rs:812:25 + --> $DIR/diagnostic-derive.rs:811:25 | LL | #[suggestion(code = 3)] | ^ maybe a missing crate `core`? @@ -587,19 +579,19 @@ LL | #[lint(no_crate_example, code = E0123)] | ^^^^ help: a built-in attribute with a similar name exists: `link` error: cannot find attribute `multipart_suggestion` in this scope - --> $DIR/diagnostic-derive.rs:645:3 + --> $DIR/diagnostic-derive.rs:644:3 | LL | #[multipart_suggestion(no_crate_suggestion)] | ^^^^^^^^^^^^^^^^^^^^ error: cannot find attribute `multipart_suggestion` in this scope - --> $DIR/diagnostic-derive.rs:648:3 + --> $DIR/diagnostic-derive.rs:647:3 | LL | #[multipart_suggestion()] | ^^^^^^^^^^^^^^^^^^^^ error: cannot find attribute `multipart_suggestion` in this scope - --> $DIR/diagnostic-derive.rs:652:7 + --> $DIR/diagnostic-derive.rs:651:7 | LL | #[multipart_suggestion(no_crate_suggestion)] | ^^^^^^^^^^^^^^^^^^^^ @@ -611,7 +603,7 @@ LL | #[diag(nonsense, code = E0123)] | ^^^^^^^^ not found in `crate::fluent_generated` error[E0425]: cannot find value `__code_34` in this scope - --> $DIR/diagnostic-derive.rs:809:10 + --> $DIR/diagnostic-derive.rs:808:10 | LL | #[derive(Diagnostic)] | ^^^^^^^^^^ not found in this scope @@ -632,7 +624,7 @@ note: required by a bound in `Diag::<'a, G>::arg` --> $COMPILER_DIR/rustc_errors/src/diagnostic.rs:LL:CC = note: this error originates in the macro `with_fn` (in Nightly builds, run with -Z macro-backtrace for more info) -error: aborting due to 86 previous errors +error: aborting due to 85 previous errors Some errors have detailed explanations: E0277, E0425, E0433. For more information about an error, try `rustc --explain E0277`. From 9f67c50128f7ef57295c5f9b56e22031f4ed8d03 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Le=C3=B3n=20Orell=20Valerian=20Liehr?= Date: Thu, 23 May 2024 03:50:43 +0200 Subject: [PATCH 0431/1716] Remove `DelayDm` With the removal of `LintDiagnostic::msg` / the `msg` param from lint diag APIs, primary messages for lint diags are always constructed lazily inside decorator fns rendering this wrapper type unused / useless. --- compiler/rustc_error_messages/src/lib.rs | 11 ----------- compiler/rustc_errors/src/lib.rs | 6 +++--- compiler/rustc_middle/src/ty/print/pretty.rs | 2 +- 3 files changed, 4 insertions(+), 15 deletions(-) diff --git a/compiler/rustc_error_messages/src/lib.rs b/compiler/rustc_error_messages/src/lib.rs index ad82c2d96e7a..c04386c03f2f 100644 --- a/compiler/rustc_error_messages/src/lib.rs +++ b/compiler/rustc_error_messages/src/lib.rs @@ -367,17 +367,6 @@ impl From> for DiagMessage { } } -/// A workaround for must_produce_diag ICEs when formatting types in disabled lints. -/// -/// Delays formatting until `.into(): DiagMessage` is used. -pub struct DelayDm(pub F); - -impl String> From> for DiagMessage { - fn from(DelayDm(f): DelayDm) -> Self { - DiagMessage::from(f()) - } -} - /// Translating *into* a subdiagnostic message from a diagnostic message is a little strange - but /// the subdiagnostic functions (e.g. `span_label`) take a `SubdiagMessage` and the /// subdiagnostic derive refers to typed identifiers that are `DiagMessage`s, so need to be diff --git a/compiler/rustc_errors/src/lib.rs b/compiler/rustc_errors/src/lib.rs index 3b884ff864ab..4dc5d84b318b 100644 --- a/compiler/rustc_errors/src/lib.rs +++ b/compiler/rustc_errors/src/lib.rs @@ -39,7 +39,7 @@ pub use diagnostic_impls::{ }; pub use emitter::ColorConfig; pub use rustc_error_messages::{ - fallback_fluent_bundle, fluent_bundle, DelayDm, DiagMessage, FluentBundle, LanguageIdentifier, + fallback_fluent_bundle, fluent_bundle, DiagMessage, FluentBundle, LanguageIdentifier, LazyFallbackBundle, MultiSpan, SpanLabel, SubdiagMessage, }; pub use rustc_lint_defs::{pluralize, Applicability}; @@ -572,8 +572,8 @@ impl Drop for DiagCtxtInner { if let Some(backtrace) = &self.must_produce_diag { panic!( "must_produce_diag: `trimmed_def_paths` called but no diagnostics emitted; \ - use `DelayDm` for lints or `with_no_trimmed_paths` for debugging. \ - called at: {backtrace}" + `with_no_trimmed_paths` for debugging. \ + called at: {backtrace}" ); } } diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs index 0dbb17e9db44..cfe52980e1cc 100644 --- a/compiler/rustc_middle/src/ty/print/pretty.rs +++ b/compiler/rustc_middle/src/ty/print/pretty.rs @@ -3327,7 +3327,7 @@ fn for_each_def(tcx: TyCtxt<'_>, mut collect_fn: impl for<'b> FnMut(&'b Ident, N /// /// The implementation uses similar import discovery logic to that of 'use' suggestions. /// -/// See also [`DelayDm`](rustc_error_messages::DelayDm) and [`with_no_trimmed_paths!`]. +/// See also [`with_no_trimmed_paths!`]. // this is pub to be able to intra-doc-link it pub fn trimmed_def_paths(tcx: TyCtxt<'_>, (): ()) -> DefIdMap { // Trimming paths is expensive and not optimized, since we expect it to only be used for error From 37bf2d2dabdbdce9473b0fed1708fcbf31ba9c1a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Le=C3=B3n=20Orell=20Valerian=20Liehr?= Date: Wed, 22 May 2024 17:03:25 +0200 Subject: [PATCH 0432/1716] Delay the construction of early lint diag structs Fixes a slew of perf regressions. --- compiler/rustc_lint/src/context.rs | 4 +- .../rustc_lint/src/context/diagnostics.rs | 379 +++++++----------- 2 files changed, 154 insertions(+), 229 deletions(-) diff --git a/compiler/rustc_lint/src/context.rs b/compiler/rustc_lint/src/context.rs index 34b84658dc0b..1a51f4f388d6 100644 --- a/compiler/rustc_lint/src/context.rs +++ b/compiler/rustc_lint/src/context.rs @@ -539,7 +539,9 @@ impl EarlyContext<'_> { span: MultiSpan, diagnostic: BuiltinLintDiag, ) { - diagnostics::emit_buffered_lint(self, lint, span, diagnostic) + self.opt_span_lint(lint, Some(span), |diag| { + diagnostics::decorate_lint(self.sess(), diagnostic, diag); + }); } } diff --git a/compiler/rustc_lint/src/context/diagnostics.rs b/compiler/rustc_lint/src/context/diagnostics.rs index 236eeee61521..1d9365ab9683 100644 --- a/compiler/rustc_lint/src/context/diagnostics.rs +++ b/compiler/rustc_lint/src/context/diagnostics.rs @@ -4,23 +4,18 @@ use std::borrow::Cow; use rustc_ast::util::unicode::TEXT_FLOW_CONTROL_CHARS; -use rustc_errors::Applicability; -use rustc_errors::{elided_lifetime_in_path_suggestion, DiagArgValue, MultiSpan}; +use rustc_errors::elided_lifetime_in_path_suggestion; +use rustc_errors::{Applicability, Diag, DiagArgValue, LintDiagnostic}; use rustc_middle::middle::stability; -use rustc_session::lint::{BuiltinLintDiag, Lint}; +use rustc_session::lint::BuiltinLintDiag; +use rustc_session::Session; use rustc_span::BytePos; -use crate::{lints, EarlyContext, LintContext as _}; +use crate::lints; mod check_cfg; -pub(super) fn emit_buffered_lint( - ctx: &EarlyContext<'_>, - lint: &'static Lint, - span: MultiSpan, - diagnostic: BuiltinLintDiag, -) { - let sess = ctx.sess(); +pub(super) fn decorate_lint(sess: &Session, diagnostic: BuiltinLintDiag, diag: &mut Diag<'_, ()>) { match diagnostic { BuiltinLintDiag::UnicodeTextFlow(comment_span, content) => { let spans: Vec<_> = content @@ -39,16 +34,14 @@ pub(super) fn emit_buffered_lint( let suggestions = (!spans.is_empty()).then_some(lints::UnicodeTextFlowSuggestion { spans: spans.iter().map(|(_c, span)| *span).collect(), }); - ctx.emit_span_lint( - lint, - span, - lints::UnicodeTextFlow { - comment_span, - characters, - suggestions, - num_codepoints: spans.len(), - }, - ) + + lints::UnicodeTextFlow { + comment_span, + characters, + suggestions, + num_codepoints: spans.len(), + } + .decorate_lint(diag); } BuiltinLintDiag::AbsPathWithModule(mod_span) => { let (replacement, applicability) = match sess.source_map().span_to_snippet(mod_span) { @@ -61,48 +54,35 @@ pub(super) fn emit_buffered_lint( } Err(_) => ("crate::".to_string(), Applicability::HasPlaceholders), }; - ctx.emit_span_lint( - lint, - span, - lints::AbsPathWithModule { - sugg: lints::AbsPathWithModuleSugg { - span: mod_span, - applicability, - replacement, - }, - }, - ); + lints::AbsPathWithModule { + sugg: lints::AbsPathWithModuleSugg { span: mod_span, applicability, replacement }, + } + .decorate_lint(diag); } - BuiltinLintDiag::ProcMacroDeriveResolutionFallback { span: macro_span, ns, ident } => ctx - .emit_span_lint( - lint, - span, - lints::ProcMacroDeriveResolutionFallback { span: macro_span, ns, ident }, - ), - BuiltinLintDiag::MacroExpandedMacroExportsAccessedByAbsolutePaths(span_def) => ctx - .emit_span_lint( - lint, - span, - lints::MacroExpandedMacroExportsAccessedByAbsolutePaths { definition: span_def }, - ), + BuiltinLintDiag::ProcMacroDeriveResolutionFallback { span: macro_span, ns, ident } => { + lints::ProcMacroDeriveResolutionFallback { span: macro_span, ns, ident } + .decorate_lint(diag) + } + BuiltinLintDiag::MacroExpandedMacroExportsAccessedByAbsolutePaths(span_def) => { + lints::MacroExpandedMacroExportsAccessedByAbsolutePaths { definition: span_def } + .decorate_lint(diag) + } + BuiltinLintDiag::ElidedLifetimesInPaths(n, path_span, incl_angl_brckt, insertion_span) => { - ctx.emit_span_lint( - lint, - span, - lints::ElidedLifetimesInPaths { - subdiag: elided_lifetime_in_path_suggestion( - sess.source_map(), - n, - path_span, - incl_angl_brckt, - insertion_span, - ), - }, - ); + lints::ElidedLifetimesInPaths { + subdiag: elided_lifetime_in_path_suggestion( + sess.source_map(), + n, + path_span, + incl_angl_brckt, + insertion_span, + ), + } + .decorate_lint(diag); } BuiltinLintDiag::UnknownCrateTypes { span, candidate } => { let sugg = candidate.map(|candidate| lints::UnknownCrateTypesSub { span, candidate }); - ctx.emit_span_lint(lint, span, lints::UnknownCrateTypes { sugg }); + lints::UnknownCrateTypes { sugg }.decorate_lint(diag); } BuiltinLintDiag::UnusedImports { remove_whole_use, @@ -119,18 +99,15 @@ pub(super) fn emit_buffered_lint( let test_module_span = test_module_span.map(|span| sess.source_map().guess_head_span(span)); - ctx.emit_span_lint( - lint, - span, - lints::UnusedImports { - sugg, - test_module_span, - num_snippets: span_snippets.len(), - span_snippets: DiagArgValue::StrListSepByAnd( - span_snippets.into_iter().map(Cow::Owned).collect(), - ), - }, - ); + lints::UnusedImports { + sugg, + test_module_span, + num_snippets: span_snippets.len(), + span_snippets: DiagArgValue::StrListSepByAnd( + span_snippets.into_iter().map(Cow::Owned).collect(), + ), + } + .decorate_lint(diag); } BuiltinLintDiag::RedundantImport(spans, ident) => { let subs = spans @@ -144,7 +121,7 @@ pub(super) fn emit_buffered_lint( })(span) }) .collect(); - ctx.emit_span_lint(lint, span, lints::RedundantImport { subs, ident }); + lints::RedundantImport { subs, ident }.decorate_lint(diag); } BuiltinLintDiag::DeprecatedMacro { suggestion, @@ -158,90 +135,63 @@ pub(super) fn emit_buffered_lint( kind: "macro".to_owned(), suggestion, }); - ctx.emit_span_lint( - lint, - span, - stability::Deprecated { sub, kind: "macro".to_owned(), path, note, since_kind }, - ); + + stability::Deprecated { sub, kind: "macro".to_owned(), path, note, since_kind } + .decorate_lint(diag); } BuiltinLintDiag::UnusedDocComment(attr_span) => { - ctx.emit_span_lint(lint, span, lints::UnusedDocComment { span: attr_span }); + lints::UnusedDocComment { span: attr_span }.decorate_lint(diag); } BuiltinLintDiag::PatternsInFnsWithoutBody { span: remove_span, ident, is_foreign } => { let sub = lints::PatternsInFnsWithoutBodySub { ident, span: remove_span }; - - ctx.emit_span_lint( - lint, - span, - if is_foreign { - lints::PatternsInFnsWithoutBody::Foreign { sub } - } else { - lints::PatternsInFnsWithoutBody::Bodiless { sub } - }, - ); + if is_foreign { + lints::PatternsInFnsWithoutBody::Foreign { sub } + } else { + lints::PatternsInFnsWithoutBody::Bodiless { sub } + } + .decorate_lint(diag); } BuiltinLintDiag::MissingAbi(label_span, default_abi) => { - ctx.emit_span_lint( - lint, - span, - lints::MissingAbi { span: label_span, default_abi: default_abi.name() }, - ); + lints::MissingAbi { span: label_span, default_abi: default_abi.name() } + .decorate_lint(diag); } BuiltinLintDiag::LegacyDeriveHelpers(label_span) => { - ctx.emit_span_lint(lint, span, lints::LegacyDeriveHelpers { span: label_span }); + lints::LegacyDeriveHelpers { span: label_span }.decorate_lint(diag); } BuiltinLintDiag::ProcMacroBackCompat { crate_name, fixed_version } => { - ctx.emit_span_lint( - lint, - span, - lints::ProcMacroBackCompat { crate_name, fixed_version }, - ); + lints::ProcMacroBackCompat { crate_name, fixed_version }.decorate_lint(diag); } BuiltinLintDiag::OrPatternsBackCompat(suggestion_span, suggestion) => { - ctx.emit_span_lint( - lint, - span, - lints::OrPatternsBackCompat { span: suggestion_span, suggestion }, - ); + lints::OrPatternsBackCompat { span: suggestion_span, suggestion }.decorate_lint(diag); } BuiltinLintDiag::ReservedPrefix(label_span, prefix) => { - ctx.emit_span_lint( - lint, - span, - lints::ReservedPrefix { - label: label_span, - suggestion: label_span.shrink_to_hi(), - prefix, - }, - ); + lints::ReservedPrefix { + label: label_span, + suggestion: label_span.shrink_to_hi(), + prefix, + } + .decorate_lint(diag); } BuiltinLintDiag::UnusedBuiltinAttribute { attr_name, macro_name, invoc_span } => { - ctx.emit_span_lint( - lint, - span, - lints::UnusedBuiltinAttribute { invoc_span, attr_name, macro_name }, - ); + lints::UnusedBuiltinAttribute { invoc_span, attr_name, macro_name }.decorate_lint(diag); } BuiltinLintDiag::TrailingMacro(is_trailing, name) => { - ctx.emit_span_lint(lint, span, lints::TrailingMacro { is_trailing, name }); + lints::TrailingMacro { is_trailing, name }.decorate_lint(diag); } BuiltinLintDiag::BreakWithLabelAndLoop(sugg_span) => { - ctx.emit_span_lint( - lint, - span, - lints::BreakWithLabelAndLoop { - sub: lints::BreakWithLabelAndLoopSub { - left: sugg_span.shrink_to_lo(), - right: sugg_span.shrink_to_hi(), - }, + lints::BreakWithLabelAndLoop { + sub: lints::BreakWithLabelAndLoopSub { + left: sugg_span.shrink_to_lo(), + right: sugg_span.shrink_to_hi(), }, - ); + } + .decorate_lint(diag); } BuiltinLintDiag::UnexpectedCfgName(name, value) => { - ctx.emit_span_lint(lint, span, check_cfg::unexpected_cfg_name(sess, name, value)); + check_cfg::unexpected_cfg_name(sess, name, value).decorate_lint(diag); } BuiltinLintDiag::UnexpectedCfgValue(name, value) => { - ctx.emit_span_lint(lint, span, check_cfg::unexpected_cfg_value(sess, name, value)); + check_cfg::unexpected_cfg_value(sess, name, value).decorate_lint(diag); } BuiltinLintDiag::DeprecatedWhereclauseLocation(left_sp, sugg) => { let suggestion = match sugg { @@ -252,7 +202,7 @@ pub(super) fn emit_buffered_lint( }, None => lints::DeprecatedWhereClauseLocationSugg::RemoveWhere { span: left_sp }, }; - ctx.emit_span_lint(lint, span, lints::DeprecatedWhereClauseLocation { suggestion }); + lints::DeprecatedWhereClauseLocation { suggestion }.decorate_lint(diag); } BuiltinLintDiag::SingleUseLifetime { param_span, @@ -279,15 +229,12 @@ pub(super) fn emit_buffered_lint( None }; - ctx.emit_span_lint( - lint, - span, - lints::SingleUseLifetime { suggestion, param_span, use_span, ident }, - ); + lints::SingleUseLifetime { suggestion, param_span, use_span, ident } + .decorate_lint(diag); } BuiltinLintDiag::SingleUseLifetime { use_span: None, deletion_span, ident, .. } => { debug!(?deletion_span); - ctx.emit_span_lint(lint, span, lints::UnusedLifetime { deletion_span, ident }); + lints::UnusedLifetime { deletion_span, ident }.decorate_lint(diag); } BuiltinLintDiag::NamedArgumentUsedPositionally { position_sp_to_replace, @@ -315,35 +262,29 @@ pub(super) fn emit_buffered_lint( (None, String::new()) }; - ctx.emit_span_lint( - lint, - span, - lints::NamedArgumentUsedPositionally { - named_arg_sp, - position_label_sp: position_sp_for_msg, - suggestion, - name, - named_arg_name, - }, - ) + lints::NamedArgumentUsedPositionally { + named_arg_sp, + position_label_sp: position_sp_for_msg, + suggestion, + name, + named_arg_name, + } + .decorate_lint(diag); } BuiltinLintDiag::ByteSliceInPackedStructWithDerive { ty } => { - ctx.emit_span_lint(lint, span, lints::ByteSliceInPackedStructWithDerive { ty }) + lints::ByteSliceInPackedStructWithDerive { ty }.decorate_lint(diag); } BuiltinLintDiag::UnusedExternCrate { removal_span } => { - ctx.emit_span_lint(lint, span, lints::UnusedExternCrate { removal_span }) + lints::UnusedExternCrate { removal_span }.decorate_lint(diag); } BuiltinLintDiag::ExternCrateNotIdiomatic { vis_span, ident_span } => { let suggestion_span = vis_span.between(ident_span); let code = if vis_span.is_empty() { "use " } else { " use " }; - ctx.emit_span_lint( - lint, - span, - lints::ExternCrateNotIdiomatic { span: suggestion_span, code }, - ); + + lints::ExternCrateNotIdiomatic { span: suggestion_span, code }.decorate_lint(diag); } BuiltinLintDiag::AmbiguousGlobImports { diag: ambiguity } => { - ctx.emit_span_lint(lint, span, lints::AmbiguousGlobImports { ambiguity }); + lints::AmbiguousGlobImports { ambiguity }.decorate_lint(diag); } BuiltinLintDiag::AmbiguousGlobReexports { name, @@ -351,16 +292,13 @@ pub(super) fn emit_buffered_lint( first_reexport_span, duplicate_reexport_span, } => { - ctx.emit_span_lint( - lint, - span, - lints::AmbiguousGlobReexports { - first_reexport: first_reexport_span, - duplicate_reexport: duplicate_reexport_span, - name, - namespace, - }, - ); + lints::AmbiguousGlobReexports { + first_reexport: first_reexport_span, + duplicate_reexport: duplicate_reexport_span, + name, + namespace, + } + .decorate_lint(diag); } BuiltinLintDiag::HiddenGlobReexports { name, @@ -368,127 +306,112 @@ pub(super) fn emit_buffered_lint( glob_reexport_span, private_item_span, } => { - ctx.emit_span_lint( - lint, - span, - lints::HiddenGlobReexports { - glob_reexport: glob_reexport_span, - private_item: private_item_span, + lints::HiddenGlobReexports { + glob_reexport: glob_reexport_span, + private_item: private_item_span, - name, - namespace, - }, - ); + name, + namespace, + } + .decorate_lint(diag); } BuiltinLintDiag::UnusedQualifications { removal_span } => { - ctx.emit_span_lint(lint, span, lints::UnusedQualifications { removal_span }); + lints::UnusedQualifications { removal_span }.decorate_lint(diag); } BuiltinLintDiag::AssociatedConstElidedLifetime { elided, span: lt_span } => { let lt_span = if elided { lt_span.shrink_to_hi() } else { lt_span }; let code = if elided { "'static " } else { "'static" }; - ctx.emit_span_lint( - lint, - span, - lints::AssociatedConstElidedLifetime { span: lt_span, code, elided }, - ); + lints::AssociatedConstElidedLifetime { span: lt_span, code, elided } + .decorate_lint(diag); } BuiltinLintDiag::RedundantImportVisibility { max_vis, span: vis_span, import_vis } => { - ctx.emit_span_lint( - lint, - span, - lints::RedundantImportVisibility { span: vis_span, help: (), max_vis, import_vis }, - ); + lints::RedundantImportVisibility { span: vis_span, help: (), max_vis, import_vis } + .decorate_lint(diag); } BuiltinLintDiag::UnknownDiagnosticAttribute { span: typo_span, typo_name } => { let typo = typo_name.map(|typo_name| lints::UnknownDiagnosticAttributeTypoSugg { span: typo_span, typo_name, }); - ctx.emit_span_lint(lint, span, lints::UnknownDiagnosticAttribute { typo }); + lints::UnknownDiagnosticAttribute { typo }.decorate_lint(diag); } BuiltinLintDiag::MacroUseDeprecated => { - ctx.emit_span_lint(lint, span, lints::MacroUseDeprecated) + lints::MacroUseDeprecated.decorate_lint(diag); } - BuiltinLintDiag::UnusedMacroUse => ctx.emit_span_lint(lint, span, lints::UnusedMacroUse), + BuiltinLintDiag::UnusedMacroUse => lints::UnusedMacroUse.decorate_lint(diag), BuiltinLintDiag::PrivateExternCrateReexport(ident) => { - ctx.emit_span_lint(lint, span, lints::PrivateExternCrateReexport { ident }) + lints::PrivateExternCrateReexport { ident }.decorate_lint(diag); } - BuiltinLintDiag::UnusedLabel => ctx.emit_span_lint(lint, span, lints::UnusedLabel), + BuiltinLintDiag::UnusedLabel => lints::UnusedLabel.decorate_lint(diag), BuiltinLintDiag::MacroIsPrivate(ident) => { - ctx.emit_span_lint(lint, span, lints::MacroIsPrivate { ident }) + lints::MacroIsPrivate { ident }.decorate_lint(diag); } BuiltinLintDiag::UnusedMacroDefinition(name) => { - ctx.emit_span_lint(lint, span, lints::UnusedMacroDefinition { name }) + lints::UnusedMacroDefinition { name }.decorate_lint(diag); } BuiltinLintDiag::MacroRuleNeverUsed(n, name) => { - ctx.emit_span_lint(lint, span, lints::MacroRuleNeverUsed { n: n + 1, name }) + lints::MacroRuleNeverUsed { n: n + 1, name }.decorate_lint(diag); } BuiltinLintDiag::UnstableFeature(msg) => { - ctx.emit_span_lint(lint, span, lints::UnstableFeature { msg }) + lints::UnstableFeature { msg }.decorate_lint(diag); } BuiltinLintDiag::AvoidUsingIntelSyntax => { - ctx.emit_span_lint(lint, span, lints::AvoidIntelSyntax) + lints::AvoidIntelSyntax.decorate_lint(diag); } BuiltinLintDiag::AvoidUsingAttSyntax => { - ctx.emit_span_lint(lint, span, lints::AvoidAttSyntax) + lints::AvoidAttSyntax.decorate_lint(diag); } BuiltinLintDiag::IncompleteInclude => { - ctx.emit_span_lint(lint, span, lints::IncompleteInclude) + lints::IncompleteInclude.decorate_lint(diag); } BuiltinLintDiag::UnnameableTestItems => { - ctx.emit_span_lint(lint, span, lints::UnnameableTestItems) + lints::UnnameableTestItems.decorate_lint(diag); } BuiltinLintDiag::DuplicateMacroAttribute => { - ctx.emit_span_lint(lint, span, lints::DuplicateMacroAttribute) + lints::DuplicateMacroAttribute.decorate_lint(diag); } BuiltinLintDiag::CfgAttrNoAttributes => { - ctx.emit_span_lint(lint, span, lints::CfgAttrNoAttributes) + lints::CfgAttrNoAttributes.decorate_lint(diag); } BuiltinLintDiag::CrateTypeInCfgAttr => { - ctx.emit_span_lint(lint, span, lints::CrateTypeInCfgAttr) + lints::CrateTypeInCfgAttr.decorate_lint(diag); } BuiltinLintDiag::CrateNameInCfgAttr => { - ctx.emit_span_lint(lint, span, lints::CrateNameInCfgAttr) + lints::CrateNameInCfgAttr.decorate_lint(diag); } BuiltinLintDiag::MissingFragmentSpecifier => { - ctx.emit_span_lint(lint, span, lints::MissingFragmentSpecifier) + lints::MissingFragmentSpecifier.decorate_lint(diag); } BuiltinLintDiag::MetaVariableStillRepeating(name) => { - ctx.emit_span_lint(lint, span, lints::MetaVariableStillRepeating { name }) + lints::MetaVariableStillRepeating { name }.decorate_lint(diag); } BuiltinLintDiag::MetaVariableWrongOperator => { - ctx.emit_span_lint(lint, span, lints::MetaVariableWrongOperator) + lints::MetaVariableWrongOperator.decorate_lint(diag); } BuiltinLintDiag::DuplicateMatcherBinding => { - ctx.emit_span_lint(lint, span, lints::DuplicateMatcherBinding) + lints::DuplicateMatcherBinding.decorate_lint(diag); } BuiltinLintDiag::UnknownMacroVariable(name) => { - ctx.emit_span_lint(lint, span, lints::UnknownMacroVariable { name }) + lints::UnknownMacroVariable { name }.decorate_lint(diag); } - BuiltinLintDiag::UnusedCrateDependency { extern_crate, local_crate } => ctx.emit_span_lint( - lint, - span, - lints::UnusedCrateDependency { extern_crate, local_crate }, - ), - BuiltinLintDiag::WasmCAbi => ctx.emit_span_lint(lint, span, lints::WasmCAbi), - BuiltinLintDiag::IllFormedAttributeInput { suggestions } => ctx.emit_span_lint( - lint, - span, + BuiltinLintDiag::UnusedCrateDependency { extern_crate, local_crate } => { + lints::UnusedCrateDependency { extern_crate, local_crate }.decorate_lint(diag) + } + BuiltinLintDiag::WasmCAbi => lints::WasmCAbi.decorate_lint(diag), + BuiltinLintDiag::IllFormedAttributeInput { suggestions } => { lints::IllFormedAttributeInput { num_suggestions: suggestions.len(), suggestions: DiagArgValue::StrListSepByAnd( suggestions.into_iter().map(|s| format!("`{s}`").into()).collect(), ), - }, - ), - BuiltinLintDiag::InnerAttributeUnstable { is_macro } => ctx.emit_span_lint( - lint, - span, - if is_macro { - lints::InnerAttributeUnstable::InnerMacroAttribute - } else { - lints::InnerAttributeUnstable::CustomInnerAttribute - }, - ), + } + .decorate_lint(diag) + } + BuiltinLintDiag::InnerAttributeUnstable { is_macro } => if is_macro { + lints::InnerAttributeUnstable::InnerMacroAttribute + } else { + lints::InnerAttributeUnstable::CustomInnerAttribute + } + .decorate_lint(diag), } } From 0c653d9f91ad8211701ce685b6cb2a2df1253df2 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Le=C3=B3n=20Orell=20Valerian=20Liehr?= Date: Wed, 22 May 2024 16:46:05 +0200 Subject: [PATCH 0433/1716] Remove `LintDiagnostic::msg` * instead simply set the primary message inside the lint decorator functions * it used to be this way before [#]101986 which introduced `msg` to prevent good path delayed bugs (which no longer exist) from firing under certain circumstances when lints were suppressed / silenced * this is no longer necessary for various reasons I presume * it shaves off complexity and makes further changes easier to implement --- clippy_utils/src/diagnostics.rs | 18 ++++++++++++------ tests/ui-internal/disallow_span_lint.rs | 4 ++-- tests/ui-internal/disallow_span_lint.stderr | 8 ++++---- 3 files changed, 18 insertions(+), 12 deletions(-) diff --git a/clippy_utils/src/diagnostics.rs b/clippy_utils/src/diagnostics.rs index dc0a139e3c78..0641d37cd9a6 100644 --- a/clippy_utils/src/diagnostics.rs +++ b/clippy_utils/src/diagnostics.rs @@ -61,7 +61,8 @@ fn docs_link(diag: &mut Diag<'_, ()>, lint: &'static Lint) { /// ``` pub fn span_lint(cx: &T, lint: &'static Lint, sp: impl Into, msg: impl Into) { #[expect(clippy::disallowed_methods)] - cx.span_lint(lint, sp, msg.into(), |diag| { + cx.span_lint(lint, sp, |diag| { + diag.primary_message(msg); docs_link(diag, lint); }); } @@ -109,7 +110,8 @@ pub fn span_lint_and_help( help: impl Into, ) { #[expect(clippy::disallowed_methods)] - cx.span_lint(lint, span, msg.into(), |diag| { + cx.span_lint(lint, span, |diag| { + diag.primary_message(msg); if let Some(help_span) = help_span { diag.span_help(help_span, help.into()); } else { @@ -165,7 +167,8 @@ pub fn span_lint_and_note( note: impl Into, ) { #[expect(clippy::disallowed_methods)] - cx.span_lint(lint, span, msg.into(), |diag| { + cx.span_lint(lint, span, |diag| { + diag.primary_message(msg); if let Some(note_span) = note_span { diag.span_note(note_span, note.into()); } else { @@ -201,7 +204,8 @@ where F: FnOnce(&mut Diag<'_, ()>), { #[expect(clippy::disallowed_methods)] - cx.span_lint(lint, sp, msg, |diag| { + cx.span_lint(lint, sp, |diag| { + diag.primary_message(msg); f(diag); docs_link(diag, lint); }); @@ -233,7 +237,8 @@ where /// the `#[allow]` will work. pub fn span_lint_hir(cx: &LateContext<'_>, lint: &'static Lint, hir_id: HirId, sp: Span, msg: impl Into) { #[expect(clippy::disallowed_methods)] - cx.tcx.node_span_lint(lint, hir_id, sp, msg.into(), |diag| { + cx.tcx.node_span_lint(lint, hir_id, sp, |diag| { + diag.primary_message(msg); docs_link(diag, lint); }); } @@ -271,7 +276,8 @@ pub fn span_lint_hir_and_then( f: impl FnOnce(&mut Diag<'_, ()>), ) { #[expect(clippy::disallowed_methods)] - cx.tcx.node_span_lint(lint, hir_id, sp, msg.into(), |diag| { + cx.tcx.node_span_lint(lint, hir_id, sp, |diag| { + diag.primary_message(msg); f(diag); docs_link(diag, lint); }); diff --git a/tests/ui-internal/disallow_span_lint.rs b/tests/ui-internal/disallow_span_lint.rs index 5a2a868ed3ec..b91a83308b5f 100644 --- a/tests/ui-internal/disallow_span_lint.rs +++ b/tests/ui-internal/disallow_span_lint.rs @@ -11,11 +11,11 @@ use rustc_lint::{Lint, LintContext}; use rustc_middle::ty::TyCtxt; pub fn a(cx: impl LintContext, lint: &'static Lint, span: impl Into, msg: impl Into) { - cx.span_lint(lint, span, msg, |_| {}); + cx.span_lint(lint, span, |lint| { lint.primary_message(msg); }); } pub fn b(tcx: TyCtxt<'_>, lint: &'static Lint, hir_id: HirId, span: impl Into, msg: impl Into) { - tcx.node_span_lint(lint, hir_id, span, msg, |_| {}); + tcx.node_span_lint(lint, hir_id, span, |lint| { lint.primary_message(msg); }); } fn main() {} diff --git a/tests/ui-internal/disallow_span_lint.stderr b/tests/ui-internal/disallow_span_lint.stderr index cfc590bed369..1cfbc8efc8ed 100644 --- a/tests/ui-internal/disallow_span_lint.stderr +++ b/tests/ui-internal/disallow_span_lint.stderr @@ -1,8 +1,8 @@ error: use of a disallowed method `rustc_lint::context::LintContext::span_lint` --> tests/ui-internal/disallow_span_lint.rs:14:5 | -LL | cx.span_lint(lint, span, msg, |_| {}); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | cx.span_lint(lint, span, |lint| { lint.primary_message(msg); }); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: this function does not add a link to our documentation, please use the `clippy_utils::diagnostics::span_lint*` functions instead (from clippy.toml) = note: `-D clippy::disallowed-methods` implied by `-D warnings` @@ -11,8 +11,8 @@ LL | cx.span_lint(lint, span, msg, |_| {}); error: use of a disallowed method `rustc_middle::ty::context::TyCtxt::node_span_lint` --> tests/ui-internal/disallow_span_lint.rs:18:5 | -LL | tcx.node_span_lint(lint, hir_id, span, msg, |_| {}); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | tcx.node_span_lint(lint, hir_id, span, |lint| { lint.primary_message(msg); }); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: this function does not add a link to our documentation, please use the `clippy_utils::diagnostics::span_lint_hir*` functions instead (from clippy.toml) From 5f4424bfaf6fc9c66df6e19a3f5e96b0fc9a1441 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Mon, 13 May 2024 08:59:02 +1000 Subject: [PATCH 0434/1716] Handle `ReVar` in `note_and_explain_region`. PR #124918 made this path abort. The added test, from fuzzing, identified that it is reachable. --- .../rustc_infer/src/infer/error_reporting/mod.rs | 5 ++++- tests/ui/inference/note-and-explain-ReVar-124973.rs | 8 ++++++++ .../inference/note-and-explain-ReVar-124973.stderr | 13 +++++++++++++ 3 files changed, 25 insertions(+), 1 deletion(-) create mode 100644 tests/ui/inference/note-and-explain-ReVar-124973.rs create mode 100644 tests/ui/inference/note-and-explain-ReVar-124973.stderr diff --git a/compiler/rustc_infer/src/infer/error_reporting/mod.rs b/compiler/rustc_infer/src/infer/error_reporting/mod.rs index 46a7e7b23996..e0894ed31bfc 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/mod.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/mod.rs @@ -173,7 +173,10 @@ pub(super) fn note_and_explain_region<'tcx>( ty::ReError(_) => return, - ty::ReVar(_) | ty::ReBound(..) | ty::ReErased => { + // FIXME(#125431): `ReVar` shouldn't reach here. + ty::ReVar(_) => (format!("lifetime `{region}`"), alt_span), + + ty::ReBound(..) | ty::ReErased => { bug!("unexpected region for note_and_explain_region: {:?}", region); } }; diff --git a/tests/ui/inference/note-and-explain-ReVar-124973.rs b/tests/ui/inference/note-and-explain-ReVar-124973.rs new file mode 100644 index 000000000000..f1e246456369 --- /dev/null +++ b/tests/ui/inference/note-and-explain-ReVar-124973.rs @@ -0,0 +1,8 @@ +//@ edition:2018 + +#![feature(c_variadic)] + +async unsafe extern "C" fn multiple_named_lifetimes<'a, 'b>(_: u8, ...) {} +//~^ ERROR hidden type for `impl Future` captures lifetime that does not appear in bounds + +fn main() {} diff --git a/tests/ui/inference/note-and-explain-ReVar-124973.stderr b/tests/ui/inference/note-and-explain-ReVar-124973.stderr new file mode 100644 index 000000000000..574f6508e4c7 --- /dev/null +++ b/tests/ui/inference/note-and-explain-ReVar-124973.stderr @@ -0,0 +1,13 @@ +error[E0700]: hidden type for `impl Future` captures lifetime that does not appear in bounds + --> $DIR/note-and-explain-ReVar-124973.rs:5:73 + | +LL | async unsafe extern "C" fn multiple_named_lifetimes<'a, 'b>(_: u8, ...) {} + | ----------------------------------------------------------------------- ^^ + | | + | opaque type defined here + | + = note: hidden type `{async fn body of multiple_named_lifetimes<'a, 'b>()}` captures lifetime `'_` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0700`. From ddb81ce68047d6383a789c8da514e443faea8349 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Fri, 17 May 2024 15:05:36 -0400 Subject: [PATCH 0435/1716] rewrite and rename issue-46239 --- src/tools/run-make-support/src/rustc.rs | 6 ++++++ .../tidy/src/allowed_run_make_makefiles.txt | 1 - tests/codegen/noalias-freeze.rs | 21 +++++++++++++++++++ tests/run-make/issue-46239/Makefile | 6 ------ tests/run-make/issue-46239/main.rs | 8 ------- 5 files changed, 27 insertions(+), 15 deletions(-) create mode 100644 tests/codegen/noalias-freeze.rs delete mode 100644 tests/run-make/issue-46239/Makefile delete mode 100644 tests/run-make/issue-46239/main.rs diff --git a/src/tools/run-make-support/src/rustc.rs b/src/tools/run-make-support/src/rustc.rs index d034826a830b..f581204d5f1c 100644 --- a/src/tools/run-make-support/src/rustc.rs +++ b/src/tools/run-make-support/src/rustc.rs @@ -64,6 +64,12 @@ impl Rustc { self } + /// Specify a specific optimization level. + pub fn opt_level(&mut self, option: &str) -> &mut Self { + self.cmd.arg(format!("-Copt-level={option}")); + self + } + /// Specify type(s) of output files to generate. pub fn emit(&mut self, kinds: &str) -> &mut Self { self.cmd.arg(format!("--emit={kinds}")); diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 1a3d6f8d8136..379d07ed22de 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -112,7 +112,6 @@ run-make/issue-37839/Makefile run-make/issue-37893/Makefile run-make/issue-38237/Makefile run-make/issue-40535/Makefile -run-make/issue-46239/Makefile run-make/issue-47384/Makefile run-make/issue-47551/Makefile run-make/issue-51671/Makefile diff --git a/tests/codegen/noalias-freeze.rs b/tests/codegen/noalias-freeze.rs new file mode 100644 index 000000000000..8086f3afbbc8 --- /dev/null +++ b/tests/codegen/noalias-freeze.rs @@ -0,0 +1,21 @@ +//@ compile-flags: -Copt-level=1 + +// References returned by a Frozen pointer type +// could be marked as "noalias", which caused miscompilation errors. +// This test runs the most minimal possible code that can reproduce this bug, +// and checks that noalias does not appear. +// See https://github.com/rust-lang/rust/issues/46239 + +#![crate_type = "lib"] + +fn project(x: &(T,)) -> &T { &x.0 } + +fn dummy() {} + +// CHECK-LABEL: @foo( +// CHECK-NOT: noalias +#[no_mangle] +pub fn foo() { + let f = (dummy as fn(),); + (*project(&f))(); +} diff --git a/tests/run-make/issue-46239/Makefile b/tests/run-make/issue-46239/Makefile deleted file mode 100644 index 0006ced25156..000000000000 --- a/tests/run-make/issue-46239/Makefile +++ /dev/null @@ -1,6 +0,0 @@ -# ignore-cross-compile -include ../tools.mk - -all: - $(RUSTC) main.rs -C opt-level=1 - $(call RUN,main) diff --git a/tests/run-make/issue-46239/main.rs b/tests/run-make/issue-46239/main.rs deleted file mode 100644 index b7df5cf4d812..000000000000 --- a/tests/run-make/issue-46239/main.rs +++ /dev/null @@ -1,8 +0,0 @@ -fn project(x: &(T,)) -> &T { &x.0 } - -fn dummy() {} - -fn main() { - let f = (dummy as fn(),); - (*project(&f))(); -} From 1f17e27ae3ebcf20ac20534ce443b8ab61c01f50 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Wed, 22 May 2024 15:55:02 -0400 Subject: [PATCH 0436/1716] Rewrite and rename `issue-38237` to rmake --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/alloc-no-oom-handling/rmake.rs | 2 +- tests/run-make/alloc-no-rc/rmake.rs | 2 +- tests/run-make/alloc-no-sync/rmake.rs | 2 +- tests/run-make/core-no-oom-handling/rmake.rs | 4 ++-- .../bar.rs | 0 .../baz.rs | 0 .../foo.rs | 0 tests/run-make/deref-impl-rustdoc-ice/rmake.rs | 16 ++++++++++++++++ tests/run-make/issue-38237/Makefile | 6 ------ tests/run-make/non-pie-thread-local/rmake.rs | 12 +++++------- 11 files changed, 26 insertions(+), 19 deletions(-) rename tests/run-make/{issue-38237 => deref-impl-rustdoc-ice}/bar.rs (100%) rename tests/run-make/{issue-38237 => deref-impl-rustdoc-ice}/baz.rs (100%) rename tests/run-make/{issue-38237 => deref-impl-rustdoc-ice}/foo.rs (100%) create mode 100644 tests/run-make/deref-impl-rustdoc-ice/rmake.rs delete mode 100644 tests/run-make/issue-38237/Makefile diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index b4b40bdd7fbc..9da830236e25 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -107,7 +107,6 @@ run-make/issue-35164/Makefile run-make/issue-36710/Makefile run-make/issue-37839/Makefile run-make/issue-37893/Makefile -run-make/issue-38237/Makefile run-make/issue-40535/Makefile run-make/issue-46239/Makefile run-make/issue-47384/Makefile diff --git a/tests/run-make/alloc-no-oom-handling/rmake.rs b/tests/run-make/alloc-no-oom-handling/rmake.rs index fec3c6532940..4bca5d1f1efb 100644 --- a/tests/run-make/alloc-no-oom-handling/rmake.rs +++ b/tests/run-make/alloc-no-oom-handling/rmake.rs @@ -1,4 +1,4 @@ -// This test checks that alloc can still compile correctly +// This test checks that alloc can still compile successfully // when the unstable no_global_oom_handling feature is turned on. // See https://github.com/rust-lang/rust/pull/84266 diff --git a/tests/run-make/alloc-no-rc/rmake.rs b/tests/run-make/alloc-no-rc/rmake.rs index c5744a3f5eef..8ff73324b083 100644 --- a/tests/run-make/alloc-no-rc/rmake.rs +++ b/tests/run-make/alloc-no-rc/rmake.rs @@ -1,4 +1,4 @@ -// This test checks that alloc can still compile correctly +// This test checks that alloc can still compile successfully // when the unstable no_rc feature is turned on. // See https://github.com/rust-lang/rust/pull/84266 diff --git a/tests/run-make/alloc-no-sync/rmake.rs b/tests/run-make/alloc-no-sync/rmake.rs index 6410eca80abf..3a3ceed68679 100644 --- a/tests/run-make/alloc-no-sync/rmake.rs +++ b/tests/run-make/alloc-no-sync/rmake.rs @@ -1,4 +1,4 @@ -// This test checks that alloc can still compile correctly +// This test checks that alloc can still compile successfully // when the unstable no_sync feature is turned on. // See https://github.com/rust-lang/rust/pull/84266 diff --git a/tests/run-make/core-no-oom-handling/rmake.rs b/tests/run-make/core-no-oom-handling/rmake.rs index 8b697e3cfa39..75767421cd1f 100644 --- a/tests/run-make/core-no-oom-handling/rmake.rs +++ b/tests/run-make/core-no-oom-handling/rmake.rs @@ -1,4 +1,4 @@ -// This test checks that the core library can still compile correctly +// This test checks that the core library can still compile successfully // when the no_global_oom_handling feature is turned on. // See https://github.com/rust-lang/rust/pull/110649 @@ -10,7 +10,7 @@ fn main() { .arg("-Dwarnings") .crate_type("rlib") .input("../../../library/core/src/lib.rs") - .sysroot(tmp_dir().join("fakeroot")); + .sysroot(tmp_dir().join("fakeroot")) .cfg("no_global_oom_handling") .run(); } diff --git a/tests/run-make/issue-38237/bar.rs b/tests/run-make/deref-impl-rustdoc-ice/bar.rs similarity index 100% rename from tests/run-make/issue-38237/bar.rs rename to tests/run-make/deref-impl-rustdoc-ice/bar.rs diff --git a/tests/run-make/issue-38237/baz.rs b/tests/run-make/deref-impl-rustdoc-ice/baz.rs similarity index 100% rename from tests/run-make/issue-38237/baz.rs rename to tests/run-make/deref-impl-rustdoc-ice/baz.rs diff --git a/tests/run-make/issue-38237/foo.rs b/tests/run-make/deref-impl-rustdoc-ice/foo.rs similarity index 100% rename from tests/run-make/issue-38237/foo.rs rename to tests/run-make/deref-impl-rustdoc-ice/foo.rs diff --git a/tests/run-make/deref-impl-rustdoc-ice/rmake.rs b/tests/run-make/deref-impl-rustdoc-ice/rmake.rs new file mode 100644 index 000000000000..c2156de03a97 --- /dev/null +++ b/tests/run-make/deref-impl-rustdoc-ice/rmake.rs @@ -0,0 +1,16 @@ +// A very specific set of circumstances (mainly, implementing Deref, and +// having a procedural macro and a Debug derivation in external crates) caused +// an internal compiler error (ICE) when trying to use rustdoc. This test +// reproduces the exact circumstances which caused the bug and checks +// that it does not happen again. +// See https://github.com/rust-lang/rust/issues/38237 + +//@ ignore-cross-compile + +use run_make_support::{rustc, rustdoc, tmp_dir}; + +fn main() { + rustc().input("foo.rs").run(); + rustc().input("bar.rs").run(); + rustdoc().input("baz.rs").library_search_path(tmp_dir()).output(tmp_dir()).run(); +} diff --git a/tests/run-make/issue-38237/Makefile b/tests/run-make/issue-38237/Makefile deleted file mode 100644 index 80dddc5bd133..000000000000 --- a/tests/run-make/issue-38237/Makefile +++ /dev/null @@ -1,6 +0,0 @@ -# ignore-cross-compile -include ../tools.mk - -all: - $(RUSTC) foo.rs; $(RUSTC) bar.rs - $(RUSTDOC) baz.rs -L $(TMPDIR) -o $(TMPDIR) diff --git a/tests/run-make/non-pie-thread-local/rmake.rs b/tests/run-make/non-pie-thread-local/rmake.rs index fb89e4199c7a..1ef447e78601 100644 --- a/tests/run-make/non-pie-thread-local/rmake.rs +++ b/tests/run-make/non-pie-thread-local/rmake.rs @@ -4,7 +4,7 @@ // build to see if this bug makes a resurgence. // See https://github.com/rust-lang/rust/pull/24448 -//@ ignore-cross compile +//@ ignore-cross-compile //@ only-linux use run_make_support::{cc, run, rustc, tmp_dir}; @@ -14,23 +14,21 @@ fn main() { cc().input("foo.c") .arg("-lfoo") .library_search_path(tmp_dir()) - .arg("-Wl") - .arg("--gc-sections") + .arg("-Wl,--gc-sections") .arg("-lpthread") .arg("-ldl") - .out_exe(tmp_dir().join("foo")) + .out_exe("foo") .run(); run("foo"); cc().input("foo.c") .arg("-lfoo") .library_search_path(tmp_dir()) - .arg("-Wl") - .arg("--gc-sections") + .arg("-Wl,--gc-sections") .arg("-lpthread") .arg("-ldl") .arg("-pie") .arg("-fPIC") - .out_exe(tmp_dir().join("foo")) + .out_exe("foo") .run(); run("foo"); } From 807a0f8c218b16fd4870f78ff50808b5200a08d4 Mon Sep 17 00:00:00 2001 From: The Miri Cronjob Bot Date: Thu, 23 May 2024 05:02:22 +0000 Subject: [PATCH 0437/1716] Preparing for merge from rustc --- src/tools/miri/rust-version | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/miri/rust-version b/src/tools/miri/rust-version index 01580139be9d..22a6a297259d 100644 --- a/src/tools/miri/rust-version +++ b/src/tools/miri/rust-version @@ -1 +1 @@ -b54dd08a84f3c07efbc2aaf63c3df219ae680a03 +9cdfe285ca724c801dc9f78d22b24ea69b787f26 From 400835fd11fcaf7c9e904e4f4499630d651268d6 Mon Sep 17 00:00:00 2001 From: The Miri Cronjob Bot Date: Thu, 23 May 2024 05:10:52 +0000 Subject: [PATCH 0438/1716] fmt --- src/tools/miri/src/intrinsics/mod.rs | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/src/tools/miri/src/intrinsics/mod.rs b/src/tools/miri/src/intrinsics/mod.rs index 9faaeb8d63ff..fdf637f2e8f4 100644 --- a/src/tools/miri/src/intrinsics/mod.rs +++ b/src/tools/miri/src/intrinsics/mod.rs @@ -46,10 +46,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let intrinsic_fallback_is_spec = Symbol::intern("intrinsic_fallback_is_spec"); if this .tcx - .get_attrs_by_path( - instance.def_id(), - &[sym::miri, intrinsic_fallback_is_spec], - ) + .get_attrs_by_path(instance.def_id(), &[sym::miri, intrinsic_fallback_is_spec]) .next() .is_none() { From 3ac1a804d12a9896e1616f4e187c3f2710f42d24 Mon Sep 17 00:00:00 2001 From: Tobias Bucher Date: Thu, 23 May 2024 08:09:52 +0200 Subject: [PATCH 0439/1716] Remove unneeded string conversion --- compiler/rustc_codegen_ssa/src/back/link.rs | 8 ++++---- src/tools/tidy/src/style.rs | 2 +- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/compiler/rustc_codegen_ssa/src/back/link.rs b/compiler/rustc_codegen_ssa/src/back/link.rs index 37b8f81ad946..93fb23c48743 100644 --- a/compiler/rustc_codegen_ssa/src/back/link.rs +++ b/compiler/rustc_codegen_ssa/src/back/link.rs @@ -786,12 +786,12 @@ fn link_natively( if matches!(flavor, LinkerFlavor::Gnu(Cc::Yes, _)) && unknown_arg_regex.is_match(&out) && out.contains("-no-pie") - && cmd.get_args().iter().any(|e| e.to_string_lossy() == "-no-pie") + && cmd.get_args().iter().any(|e| e == "-no-pie") { info!("linker output: {:?}", out); warn!("Linker does not support -no-pie command line option. Retrying without."); for arg in cmd.take_args() { - if arg.to_string_lossy() != "-no-pie" { + if arg != "-no-pie" { cmd.arg(arg); } } @@ -804,7 +804,7 @@ fn link_natively( if matches!(flavor, LinkerFlavor::Gnu(Cc::Yes, _)) && unknown_arg_regex.is_match(&out) && (out.contains("-static-pie") || out.contains("--no-dynamic-linker")) - && cmd.get_args().iter().any(|e| e.to_string_lossy() == "-static-pie") + && cmd.get_args().iter().any(|e| e == "-static-pie") { info!("linker output: {:?}", out); warn!( @@ -843,7 +843,7 @@ fn link_natively( assert!(pre_objects_static.is_empty() || !pre_objects_static_pie.is_empty()); assert!(post_objects_static.is_empty() || !post_objects_static_pie.is_empty()); for arg in cmd.take_args() { - if arg.to_string_lossy() == "-static-pie" { + if arg == "-static-pie" { // Replace the output kind. cmd.arg("-static"); } else if pre_objects_static_pie.contains(&arg) { diff --git a/src/tools/tidy/src/style.rs b/src/tools/tidy/src/style.rs index 9cabab582d0d..64cc22776205 100644 --- a/src/tools/tidy/src/style.rs +++ b/src/tools/tidy/src/style.rs @@ -243,7 +243,7 @@ pub fn is_in(full_path: &Path, parent_folder_to_find: &str, folder_to_find: &str if parent.file_name().map_or_else( || false, |f| { - f.to_string_lossy() == folder_to_find + f == folder_to_find && parent .parent() .and_then(|f| f.file_name()) From bbe4efdb47f428d28be0efb934deff46c33de6da Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 22 May 2024 13:16:49 +1000 Subject: [PATCH 0440/1716] Remove `#[macro_use] extern crate tracing` from `rustc_ty_utils`. --- compiler/rustc_ty_utils/src/abi.rs | 1 + compiler/rustc_ty_utils/src/consts.rs | 1 + compiler/rustc_ty_utils/src/instance.rs | 1 + compiler/rustc_ty_utils/src/layout.rs | 1 + compiler/rustc_ty_utils/src/lib.rs | 3 --- compiler/rustc_ty_utils/src/needs_drop.rs | 1 + compiler/rustc_ty_utils/src/opaque_types.rs | 1 + compiler/rustc_ty_utils/src/sig_types.rs | 1 + compiler/rustc_ty_utils/src/ty.rs | 1 + 9 files changed, 8 insertions(+), 3 deletions(-) diff --git a/compiler/rustc_ty_utils/src/abi.rs b/compiler/rustc_ty_utils/src/abi.rs index 9090bb30f897..6f513f24948a 100644 --- a/compiler/rustc_ty_utils/src/abi.rs +++ b/compiler/rustc_ty_utils/src/abi.rs @@ -14,6 +14,7 @@ use rustc_target::abi::call::{ }; use rustc_target::abi::*; use rustc_target::spec::abi::Abi as SpecAbi; +use tracing::debug; use std::iter; diff --git a/compiler/rustc_ty_utils/src/consts.rs b/compiler/rustc_ty_utils/src/consts.rs index b40a0d0a58e4..67ffb8a58b5a 100644 --- a/compiler/rustc_ty_utils/src/consts.rs +++ b/compiler/rustc_ty_utils/src/consts.rs @@ -11,6 +11,7 @@ use rustc_middle::ty::{self, Expr, TyCtxt, TypeVisitableExt}; use rustc_middle::{mir, thir}; use rustc_span::Span; use rustc_target::abi::{VariantIdx, FIRST_VARIANT}; +use tracing::{debug, instrument}; use std::iter; diff --git a/compiler/rustc_ty_utils/src/instance.rs b/compiler/rustc_ty_utils/src/instance.rs index 41f482d8a706..0d089205c1ec 100644 --- a/compiler/rustc_ty_utils/src/instance.rs +++ b/compiler/rustc_ty_utils/src/instance.rs @@ -9,6 +9,7 @@ use rustc_middle::ty::{self, Instance, TyCtxt, TypeVisitableExt}; use rustc_span::sym; use rustc_trait_selection::traits; use rustc_type_ir::ClosureKind; +use tracing::debug; use traits::{translate_args, Reveal}; use crate::errors::UnexpectedFnPtrAssociatedItem; diff --git a/compiler/rustc_ty_utils/src/layout.rs b/compiler/rustc_ty_utils/src/layout.rs index 1ef22497a8fc..1dee14fae57e 100644 --- a/compiler/rustc_ty_utils/src/layout.rs +++ b/compiler/rustc_ty_utils/src/layout.rs @@ -16,6 +16,7 @@ use rustc_session::{DataTypeKind, FieldInfo, FieldKind, SizeKind, VariantInfo}; use rustc_span::sym; use rustc_span::symbol::Symbol; use rustc_target::abi::*; +use tracing::{debug, instrument, trace}; use std::fmt::Debug; use std::iter; diff --git a/compiler/rustc_ty_utils/src/lib.rs b/compiler/rustc_ty_utils/src/lib.rs index e8c5c54d3a09..bd89265d9426 100644 --- a/compiler/rustc_ty_utils/src/lib.rs +++ b/compiler/rustc_ty_utils/src/lib.rs @@ -16,9 +16,6 @@ #![feature(let_chains)] #![feature(never_type)] -#[macro_use] -extern crate tracing; - use rustc_middle::query::Providers; mod abi; diff --git a/compiler/rustc_ty_utils/src/needs_drop.rs b/compiler/rustc_ty_utils/src/needs_drop.rs index 4e23fb303836..72ee1a482495 100644 --- a/compiler/rustc_ty_utils/src/needs_drop.rs +++ b/compiler/rustc_ty_utils/src/needs_drop.rs @@ -9,6 +9,7 @@ use rustc_middle::ty::GenericArgsRef; use rustc_middle::ty::{self, EarlyBinder, Ty, TyCtxt}; use rustc_session::Limit; use rustc_span::sym; +use tracing::debug; use crate::errors::NeedsDropOverflow; diff --git a/compiler/rustc_ty_utils/src/opaque_types.rs b/compiler/rustc_ty_utils/src/opaque_types.rs index be227ec8b9aa..ccc522053a65 100644 --- a/compiler/rustc_ty_utils/src/opaque_types.rs +++ b/compiler/rustc_ty_utils/src/opaque_types.rs @@ -8,6 +8,7 @@ use rustc_middle::ty::util::{CheckRegions, NotUniqueParam}; use rustc_middle::ty::{self, Ty, TyCtxt}; use rustc_middle::ty::{TypeSuperVisitable, TypeVisitable, TypeVisitor}; use rustc_span::Span; +use tracing::{instrument, trace}; use crate::errors::{DuplicateArg, NotParam}; diff --git a/compiler/rustc_ty_utils/src/sig_types.rs b/compiler/rustc_ty_utils/src/sig_types.rs index 2d8c78267d9f..97a1b94263e9 100644 --- a/compiler/rustc_ty_utils/src/sig_types.rs +++ b/compiler/rustc_ty_utils/src/sig_types.rs @@ -8,6 +8,7 @@ use rustc_middle::span_bug; use rustc_middle::ty::{self, TyCtxt}; use rustc_span::Span; use rustc_type_ir::visit::TypeVisitable; +use tracing::{instrument, trace}; pub trait SpannedTypeVisitor<'tcx> { type Result: VisitorResult = (); diff --git a/compiler/rustc_ty_utils/src/ty.rs b/compiler/rustc_ty_utils/src/ty.rs index 3094956fa5f3..617e8a543656 100644 --- a/compiler/rustc_ty_utils/src/ty.rs +++ b/compiler/rustc_ty_utils/src/ty.rs @@ -10,6 +10,7 @@ use rustc_middle::ty::{TypeSuperVisitable, TypeVisitable, Upcast}; use rustc_span::def_id::{DefId, LocalDefId, CRATE_DEF_ID}; use rustc_span::DUMMY_SP; use rustc_trait_selection::traits; +use tracing::{debug, instrument}; #[instrument(level = "debug", skip(tcx), ret)] fn sized_constraint_for_ty<'tcx>(tcx: TyCtxt<'tcx>, ty: Ty<'tcx>) -> Option> { From 448fc75232090bd615713fec38e84fc2c9e01559 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 22 May 2024 13:43:08 +1000 Subject: [PATCH 0441/1716] Remove `#[macro_use] extern crate tracing` from `rustc_error_messages`. --- compiler/rustc_error_messages/src/lib.rs | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/compiler/rustc_error_messages/src/lib.rs b/compiler/rustc_error_messages/src/lib.rs index ad82c2d96e7a..2a8f42220640 100644 --- a/compiler/rustc_error_messages/src/lib.rs +++ b/compiler/rustc_error_messages/src/lib.rs @@ -5,9 +5,6 @@ #![feature(type_alias_impl_trait)] #![allow(internal_features)] -#[macro_use] -extern crate tracing; - use fluent_bundle::FluentResource; use fluent_syntax::parser::ParserError; use icu_provider_adapters::fallback::{LocaleFallbackProvider, LocaleFallbacker}; @@ -20,6 +17,7 @@ use std::fmt; use std::fs; use std::io; use std::path::{Path, PathBuf}; +use tracing::{instrument, trace}; #[cfg(not(parallel_compiler))] use std::cell::LazyCell as Lazy; From 725292315e2867102c7955e40108744aabdd192b Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 22 May 2024 13:47:35 +1000 Subject: [PATCH 0442/1716] Remove `#[macro_use] extern crate tracing` from `rustc_passes`. --- compiler/rustc_passes/src/check_attr.rs | 1 + compiler/rustc_passes/src/lib.rs | 3 --- compiler/rustc_passes/src/liveness.rs | 2 +- compiler/rustc_passes/src/reachable.rs | 1 + compiler/rustc_passes/src/stability.rs | 2 +- 5 files changed, 4 insertions(+), 5 deletions(-) diff --git a/compiler/rustc_passes/src/check_attr.rs b/compiler/rustc_passes/src/check_attr.rs index 1924533e2804..4fe84b91b8b1 100644 --- a/compiler/rustc_passes/src/check_attr.rs +++ b/compiler/rustc_passes/src/check_attr.rs @@ -39,6 +39,7 @@ use rustc_trait_selection::traits::error_reporting::TypeErrCtxtExt; use rustc_trait_selection::traits::ObligationCtxt; use std::cell::Cell; use std::collections::hash_map::Entry; +use tracing::debug; #[derive(LintDiagnostic)] #[diag(passes_diagnostic_diagnostic_on_unimplemented_only_for_traits)] diff --git a/compiler/rustc_passes/src/lib.rs b/compiler/rustc_passes/src/lib.rs index d3608759eec7..045a0a1525bf 100644 --- a/compiler/rustc_passes/src/lib.rs +++ b/compiler/rustc_passes/src/lib.rs @@ -12,9 +12,6 @@ #![feature(map_try_insert)] #![feature(try_blocks)] -#[macro_use] -extern crate tracing; - use rustc_middle::query::Providers; pub mod abi_test; diff --git a/compiler/rustc_passes/src/liveness.rs b/compiler/rustc_passes/src/liveness.rs index b50cb158b1fe..b0a753604e2e 100644 --- a/compiler/rustc_passes/src/liveness.rs +++ b/compiler/rustc_passes/src/liveness.rs @@ -99,10 +99,10 @@ use rustc_middle::ty::{self, RootVariableMinCaptureList, Ty, TyCtxt}; use rustc_session::lint; use rustc_span::symbol::{kw, sym, Symbol}; use rustc_span::{BytePos, Span}; - use std::io; use std::io::prelude::*; use std::rc::Rc; +use tracing::{debug, instrument}; mod rwu_table; diff --git a/compiler/rustc_passes/src/reachable.rs b/compiler/rustc_passes/src/reachable.rs index 55b7c6dce4d9..ab1dd2485566 100644 --- a/compiler/rustc_passes/src/reachable.rs +++ b/compiler/rustc_passes/src/reachable.rs @@ -37,6 +37,7 @@ use rustc_middle::query::Providers; use rustc_middle::ty::{self, ExistentialTraitRef, TyCtxt}; use rustc_privacy::DefIdVisitor; use rustc_session::config::CrateType; +use tracing::debug; /// Determines whether this item is recursive for reachability. See `is_recursively_reachable_local` /// below for details. diff --git a/compiler/rustc_passes/src/stability.rs b/compiler/rustc_passes/src/stability.rs index 05c833cdfb65..6bdfaf0c9089 100644 --- a/compiler/rustc_passes/src/stability.rs +++ b/compiler/rustc_passes/src/stability.rs @@ -25,9 +25,9 @@ use rustc_session::lint::builtin::{INEFFECTIVE_UNSTABLE_TRAIT_IMPL, USELESS_DEPR use rustc_span::symbol::{sym, Symbol}; use rustc_span::Span; use rustc_target::spec::abi::Abi; - use std::mem::replace; use std::num::NonZero; +use tracing::{debug, info}; #[derive(PartialEq)] enum AnnotationKind { From a7cd7bb8292861168860cf7a3d074db80cfd99b0 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 22 May 2024 13:50:27 +1000 Subject: [PATCH 0443/1716] Remove `#[macro_use] extern crate tracing` from `rustc_interface`. --- compiler/rustc_interface/src/interface.rs | 2 +- compiler/rustc_interface/src/lib.rs | 3 --- compiler/rustc_interface/src/passes.rs | 1 + compiler/rustc_interface/src/util.rs | 2 +- 4 files changed, 3 insertions(+), 5 deletions(-) diff --git a/compiler/rustc_interface/src/interface.rs b/compiler/rustc_interface/src/interface.rs index d43be6cebcb2..5254a6576f90 100644 --- a/compiler/rustc_interface/src/interface.rs +++ b/compiler/rustc_interface/src/interface.rs @@ -11,7 +11,6 @@ use rustc_data_structures::sync::Lrc; use rustc_errors::registry::Registry; use rustc_errors::{DiagCtxt, ErrorGuaranteed}; use rustc_lint::LintStore; - use rustc_middle::ty; use rustc_middle::ty::CurrentGcx; use rustc_middle::util::Providers; @@ -28,6 +27,7 @@ use rustc_span::FileName; use std::path::PathBuf; use std::result; use std::sync::Arc; +use tracing::trace; pub type Result = result::Result; diff --git a/compiler/rustc_interface/src/lib.rs b/compiler/rustc_interface/src/lib.rs index 75df006a56f1..c1d460ddd086 100644 --- a/compiler/rustc_interface/src/lib.rs +++ b/compiler/rustc_interface/src/lib.rs @@ -4,9 +4,6 @@ #![feature(thread_spawn_unchecked)] #![feature(try_blocks)] -#[macro_use] -extern crate tracing; - mod callbacks; mod errors; pub mod interface; diff --git a/compiler/rustc_interface/src/passes.rs b/compiler/rustc_interface/src/passes.rs index 76d5d7a3ac2f..aaf1dd3aa447 100644 --- a/compiler/rustc_interface/src/passes.rs +++ b/compiler/rustc_interface/src/passes.rs @@ -39,6 +39,7 @@ use std::io::{self, BufWriter, Write}; use std::path::{Path, PathBuf}; use std::sync::LazyLock; use std::{env, fs, iter}; +use tracing::{info, instrument}; pub fn parse<'a>(sess: &'a Session) -> PResult<'a, ast::Crate> { let krate = sess.time("parse_crate", || match &sess.io.input { diff --git a/compiler/rustc_interface/src/util.rs b/compiler/rustc_interface/src/util.rs index 987e48a1a76f..8dac524bb5bf 100644 --- a/compiler/rustc_interface/src/util.rs +++ b/compiler/rustc_interface/src/util.rs @@ -1,5 +1,4 @@ use crate::errors; -use info; use rustc_ast as ast; use rustc_codegen_ssa::traits::CodegenBackend; #[cfg(parallel_compiler)] @@ -23,6 +22,7 @@ use std::sync::atomic::{AtomicBool, Ordering}; use std::sync::OnceLock; use std::thread; use std::{env, iter}; +use tracing::info; /// Function pointer type that constructs a new CodegenBackend. pub type MakeBackendFn = fn() -> Box; From c4bdd298fe94784f322e61a65bac6ee8944a6720 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 22 May 2024 13:58:19 +1000 Subject: [PATCH 0444/1716] Remove `#[macro_use] extern crate tracing` from `rustc_incremental`. --- compiler/rustc_incremental/src/assert_dep_graph.rs | 2 +- compiler/rustc_incremental/src/lib.rs | 3 --- compiler/rustc_incremental/src/persist/dirty_clean.rs | 1 + compiler/rustc_incremental/src/persist/file_format.rs | 1 + compiler/rustc_incremental/src/persist/fs.rs | 1 + compiler/rustc_incremental/src/persist/load.rs | 1 + compiler/rustc_incremental/src/persist/save.rs | 1 + compiler/rustc_incremental/src/persist/work_product.rs | 1 + 8 files changed, 7 insertions(+), 4 deletions(-) diff --git a/compiler/rustc_incremental/src/assert_dep_graph.rs b/compiler/rustc_incremental/src/assert_dep_graph.rs index 8c66f239f8ee..41caa5d4765b 100644 --- a/compiler/rustc_incremental/src/assert_dep_graph.rs +++ b/compiler/rustc_incremental/src/assert_dep_graph.rs @@ -49,10 +49,10 @@ use rustc_middle::ty::TyCtxt; use rustc_middle::{bug, span_bug}; use rustc_span::symbol::{sym, Symbol}; use rustc_span::Span; - use std::env; use std::fs::{self, File}; use std::io::{BufWriter, Write}; +use tracing::debug; #[allow(missing_docs)] pub fn assert_dep_graph(tcx: TyCtxt<'_>) { diff --git a/compiler/rustc_incremental/src/lib.rs b/compiler/rustc_incremental/src/lib.rs index 79402c88de47..960a2d012e0f 100644 --- a/compiler/rustc_incremental/src/lib.rs +++ b/compiler/rustc_incremental/src/lib.rs @@ -6,9 +6,6 @@ #![feature(rustdoc_internals)] #![allow(internal_features)] -#[macro_use] -extern crate tracing; - mod assert_dep_graph; mod errors; mod persist; diff --git a/compiler/rustc_incremental/src/persist/dirty_clean.rs b/compiler/rustc_incremental/src/persist/dirty_clean.rs index e901ca36dade..2a0d681fa37e 100644 --- a/compiler/rustc_incremental/src/persist/dirty_clean.rs +++ b/compiler/rustc_incremental/src/persist/dirty_clean.rs @@ -33,6 +33,7 @@ use rustc_middle::ty::TyCtxt; use rustc_span::symbol::{sym, Symbol}; use rustc_span::Span; use thin_vec::ThinVec; +use tracing::debug; const LOADED_FROM_DISK: Symbol = sym::loaded_from_disk; const EXCEPT: Symbol = sym::except; diff --git a/compiler/rustc_incremental/src/persist/file_format.rs b/compiler/rustc_incremental/src/persist/file_format.rs index b459f82f23e3..303785bdb220 100644 --- a/compiler/rustc_incremental/src/persist/file_format.rs +++ b/compiler/rustc_incremental/src/persist/file_format.rs @@ -19,6 +19,7 @@ use std::env; use std::fs; use std::io::{self, Read}; use std::path::{Path, PathBuf}; +use tracing::debug; /// The first few bytes of files generated by incremental compilation. const FILE_MAGIC: &[u8] = b"RSIC"; diff --git a/compiler/rustc_incremental/src/persist/fs.rs b/compiler/rustc_incremental/src/persist/fs.rs index 193042b8cdf2..9afea3d66b0d 100644 --- a/compiler/rustc_incremental/src/persist/fs.rs +++ b/compiler/rustc_incremental/src/persist/fs.rs @@ -125,6 +125,7 @@ use std::path::{Path, PathBuf}; use std::time::{Duration, SystemTime, UNIX_EPOCH}; use rand::{thread_rng, RngCore}; +use tracing::debug; #[cfg(test)] mod tests; diff --git a/compiler/rustc_incremental/src/persist/load.rs b/compiler/rustc_incremental/src/persist/load.rs index 9e6ce0667851..6c3f73cf4659 100644 --- a/compiler/rustc_incremental/src/persist/load.rs +++ b/compiler/rustc_incremental/src/persist/load.rs @@ -12,6 +12,7 @@ use rustc_session::Session; use rustc_span::ErrorGuaranteed; use std::path::{Path, PathBuf}; use std::sync::Arc; +use tracing::{debug, warn}; use super::data::*; use super::file_format; diff --git a/compiler/rustc_incremental/src/persist/save.rs b/compiler/rustc_incremental/src/persist/save.rs index 9777f7692809..3bf582bd26c6 100644 --- a/compiler/rustc_incremental/src/persist/save.rs +++ b/compiler/rustc_incremental/src/persist/save.rs @@ -11,6 +11,7 @@ use rustc_serialize::Encodable as RustcEncodable; use rustc_session::Session; use std::fs; use std::sync::Arc; +use tracing::debug; use super::data::*; use super::dirty_clean; diff --git a/compiler/rustc_incremental/src/persist/work_product.rs b/compiler/rustc_incremental/src/persist/work_product.rs index 906233ef53ec..e230da9dfb12 100644 --- a/compiler/rustc_incremental/src/persist/work_product.rs +++ b/compiler/rustc_incremental/src/persist/work_product.rs @@ -10,6 +10,7 @@ use rustc_middle::dep_graph::{WorkProduct, WorkProductId}; use rustc_session::Session; use std::fs as std_fs; use std::path::Path; +use tracing::debug; /// Copies a CGU work product to the incremental compilation directory, so next compilation can /// find and reuse it. From c7da1a5bb8f0f4e167960b5898772edf2554ce3c Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 22 May 2024 14:09:17 +1000 Subject: [PATCH 0445/1716] Remove `#[macro_use] extern crate tracing` from `rustc_lint`. --- compiler/rustc_lint/src/builtin.rs | 1 + compiler/rustc_lint/src/context.rs | 2 +- compiler/rustc_lint/src/context/diagnostics.rs | 1 + compiler/rustc_lint/src/early.rs | 1 + compiler/rustc_lint/src/foreign_modules.rs | 1 + compiler/rustc_lint/src/internal.rs | 1 + compiler/rustc_lint/src/late.rs | 2 +- compiler/rustc_lint/src/levels.rs | 1 + compiler/rustc_lint/src/lib.rs | 3 --- compiler/rustc_lint/src/types.rs | 2 +- compiler/rustc_lint/src/unused.rs | 1 + 11 files changed, 10 insertions(+), 6 deletions(-) diff --git a/compiler/rustc_lint/src/builtin.rs b/compiler/rustc_lint/src/builtin.rs index 0f059bceae7c..764305175e01 100644 --- a/compiler/rustc_lint/src/builtin.rs +++ b/compiler/rustc_lint/src/builtin.rs @@ -70,6 +70,7 @@ use rustc_target::abi::Abi; use rustc_trait_selection::infer::{InferCtxtExt, TyCtxtInferExt}; use rustc_trait_selection::traits::query::evaluate_obligation::InferCtxtExt as _; use rustc_trait_selection::traits::{self, misc::type_allowed_to_implement_copy}; +use tracing::debug; use crate::nonstandard_style::{method_context, MethodLateContext}; diff --git a/compiler/rustc_lint/src/context.rs b/compiler/rustc_lint/src/context.rs index deeb3ae090c5..c23a67f61316 100644 --- a/compiler/rustc_lint/src/context.rs +++ b/compiler/rustc_lint/src/context.rs @@ -39,10 +39,10 @@ use rustc_span::edit_distance::find_best_match_for_names; use rustc_span::symbol::{sym, Ident, Symbol}; use rustc_span::Span; use rustc_target::abi; - use std::cell::Cell; use std::iter; use std::slice; +use tracing::debug; mod diagnostics; diff --git a/compiler/rustc_lint/src/context/diagnostics.rs b/compiler/rustc_lint/src/context/diagnostics.rs index 236eeee61521..23c5e0a9f5fa 100644 --- a/compiler/rustc_lint/src/context/diagnostics.rs +++ b/compiler/rustc_lint/src/context/diagnostics.rs @@ -9,6 +9,7 @@ use rustc_errors::{elided_lifetime_in_path_suggestion, DiagArgValue, MultiSpan}; use rustc_middle::middle::stability; use rustc_session::lint::{BuiltinLintDiag, Lint}; use rustc_span::BytePos; +use tracing::debug; use crate::{lints, EarlyContext, LintContext as _}; diff --git a/compiler/rustc_lint/src/early.rs b/compiler/rustc_lint/src/early.rs index 736c7a110693..329221612b58 100644 --- a/compiler/rustc_lint/src/early.rs +++ b/compiler/rustc_lint/src/early.rs @@ -26,6 +26,7 @@ use rustc_session::lint::{BufferedEarlyLint, LintBuffer, LintPass}; use rustc_session::Session; use rustc_span::symbol::Ident; use rustc_span::Span; +use tracing::debug; macro_rules! lint_callback { ($cx:expr, $f:ident, $($args:expr),*) => ({ $cx.pass.$f(&$cx.context, $($args),*); diff --git a/compiler/rustc_lint/src/foreign_modules.rs b/compiler/rustc_lint/src/foreign_modules.rs index 2c86964feef1..5da1cbc2283b 100644 --- a/compiler/rustc_lint/src/foreign_modules.rs +++ b/compiler/rustc_lint/src/foreign_modules.rs @@ -8,6 +8,7 @@ use rustc_middle::ty::{self, Instance, Ty, TyCtxt}; use rustc_session::declare_lint; use rustc_span::{sym, Span, Symbol}; use rustc_target::abi::FIRST_VARIANT; +use tracing::{debug, instrument}; use crate::lints::{BuiltinClashingExtern, BuiltinClashingExternSub}; use crate::{types, LintVec}; diff --git a/compiler/rustc_lint/src/internal.rs b/compiler/rustc_lint/src/internal.rs index 153d91ce28cb..6e291a327fa6 100644 --- a/compiler/rustc_lint/src/internal.rs +++ b/compiler/rustc_lint/src/internal.rs @@ -15,6 +15,7 @@ use rustc_session::{declare_lint_pass, declare_tool_lint}; use rustc_span::hygiene::{ExpnKind, MacroKind}; use rustc_span::symbol::{kw, sym, Symbol}; use rustc_span::Span; +use tracing::debug; declare_tool_lint! { /// The `default_hash_type` lint detects use of [`std::collections::HashMap`]/[`std::collections::HashSet`], diff --git a/compiler/rustc_lint/src/late.rs b/compiler/rustc_lint/src/late.rs index ca188277b9de..b638ab10e11e 100644 --- a/compiler/rustc_lint/src/late.rs +++ b/compiler/rustc_lint/src/late.rs @@ -26,9 +26,9 @@ use rustc_middle::ty::{self, TyCtxt}; use rustc_session::lint::LintPass; use rustc_session::Session; use rustc_span::Span; - use std::any::Any; use std::cell::Cell; +use tracing::debug; /// Extract the [`LintStore`] from [`Session`]. /// diff --git a/compiler/rustc_lint/src/levels.rs b/compiler/rustc_lint/src/levels.rs index 12b3d1d2f9e4..98e321076c59 100644 --- a/compiler/rustc_lint/src/levels.rs +++ b/compiler/rustc_lint/src/levels.rs @@ -41,6 +41,7 @@ use rustc_session::parse::feature_err; use rustc_session::Session; use rustc_span::symbol::{sym, Symbol}; use rustc_span::{Span, DUMMY_SP}; +use tracing::{debug, instrument}; use crate::errors::{ MalformedAttribute, MalformedAttributeSub, OverruledAttribute, OverruledAttributeSub, diff --git a/compiler/rustc_lint/src/lib.rs b/compiler/rustc_lint/src/lib.rs index 64fcc7e46e0e..0ccfe23ae372 100644 --- a/compiler/rustc_lint/src/lib.rs +++ b/compiler/rustc_lint/src/lib.rs @@ -39,9 +39,6 @@ #![feature(rustc_attrs)] #![allow(internal_features)] -#[macro_use] -extern crate tracing; - mod async_fn_in_trait; pub mod builtin; mod context; diff --git a/compiler/rustc_lint/src/types.rs b/compiler/rustc_lint/src/types.rs index f9f766f832af..9d3a838666af 100644 --- a/compiler/rustc_lint/src/types.rs +++ b/compiler/rustc_lint/src/types.rs @@ -31,9 +31,9 @@ use rustc_span::{Span, Symbol}; use rustc_target::abi::{Abi, Size, WrappingRange}; use rustc_target::abi::{Integer, TagEncoding, Variants}; use rustc_target::spec::abi::Abi as SpecAbi; - use std::iter; use std::ops::ControlFlow; +use tracing::debug; declare_lint! { /// The `unused_comparisons` lint detects comparisons made useless by diff --git a/compiler/rustc_lint/src/unused.rs b/compiler/rustc_lint/src/unused.rs index 8866b2be0784..a6993547c8fc 100644 --- a/compiler/rustc_lint/src/unused.rs +++ b/compiler/rustc_lint/src/unused.rs @@ -22,6 +22,7 @@ use rustc_span::symbol::{kw, sym}; use rustc_span::{BytePos, Span}; use std::iter; use std::ops::ControlFlow; +use tracing::instrument; declare_lint! { /// The `unused_must_use` lint detects unused result of a type flagged as From 7a5d814a047376223da9331061d9642dd33b3f9a Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 22 May 2024 14:20:23 +1000 Subject: [PATCH 0446/1716] Remove `#[macro_use] extern crate tracing` from `rustc_const_eval`. --- compiler/rustc_const_eval/src/const_eval/eval_queries.rs | 1 + compiler/rustc_const_eval/src/const_eval/machine.rs | 1 + compiler/rustc_const_eval/src/const_eval/mod.rs | 1 + compiler/rustc_const_eval/src/const_eval/valtrees.rs | 1 + compiler/rustc_const_eval/src/interpret/cast.rs | 1 + compiler/rustc_const_eval/src/interpret/discriminant.rs | 1 + compiler/rustc_const_eval/src/interpret/eval_context.rs | 1 + compiler/rustc_const_eval/src/interpret/intern.rs | 1 + compiler/rustc_const_eval/src/interpret/intrinsics.rs | 1 + compiler/rustc_const_eval/src/interpret/memory.rs | 2 ++ compiler/rustc_const_eval/src/interpret/operand.rs | 1 + compiler/rustc_const_eval/src/interpret/operator.rs | 1 + compiler/rustc_const_eval/src/interpret/place.rs | 1 + compiler/rustc_const_eval/src/interpret/projection.rs | 2 ++ compiler/rustc_const_eval/src/interpret/step.rs | 1 + compiler/rustc_const_eval/src/interpret/terminator.rs | 1 + compiler/rustc_const_eval/src/interpret/traits.rs | 1 + compiler/rustc_const_eval/src/interpret/util.rs | 1 + compiler/rustc_const_eval/src/interpret/validity.rs | 1 + compiler/rustc_const_eval/src/interpret/visitor.rs | 1 + compiler/rustc_const_eval/src/lib.rs | 3 --- compiler/rustc_const_eval/src/transform/check_consts/check.rs | 2 ++ compiler/rustc_const_eval/src/transform/check_consts/ops.rs | 1 + .../src/transform/check_consts/post_drop_elaboration.rs | 1 + .../rustc_const_eval/src/transform/check_consts/qualifs.rs | 1 + compiler/rustc_const_eval/src/util/alignment.rs | 1 + compiler/rustc_const_eval/src/util/caller_location.rs | 1 + 27 files changed, 29 insertions(+), 3 deletions(-) diff --git a/compiler/rustc_const_eval/src/const_eval/eval_queries.rs b/compiler/rustc_const_eval/src/const_eval/eval_queries.rs index 6a9a21bbd8e0..966951e7d9a4 100644 --- a/compiler/rustc_const_eval/src/const_eval/eval_queries.rs +++ b/compiler/rustc_const_eval/src/const_eval/eval_queries.rs @@ -1,6 +1,7 @@ use std::sync::atomic::Ordering::Relaxed; use either::{Left, Right}; +use tracing::{debug, instrument, trace}; use rustc_hir::def::DefKind; use rustc_middle::bug; diff --git a/compiler/rustc_const_eval/src/const_eval/machine.rs b/compiler/rustc_const_eval/src/const_eval/machine.rs index 3cd60271a83a..b8b4426c2ec6 100644 --- a/compiler/rustc_const_eval/src/const_eval/machine.rs +++ b/compiler/rustc_const_eval/src/const_eval/machine.rs @@ -21,6 +21,7 @@ use rustc_span::symbol::{sym, Symbol}; use rustc_span::Span; use rustc_target::abi::{Align, Size}; use rustc_target::spec::abi::Abi as CallAbi; +use tracing::debug; use crate::errors::{LongRunning, LongRunningWarn}; use crate::fluent_generated as fluent; diff --git a/compiler/rustc_const_eval/src/const_eval/mod.rs b/compiler/rustc_const_eval/src/const_eval/mod.rs index a5c8c0bb82ad..4ae4816e33ab 100644 --- a/compiler/rustc_const_eval/src/const_eval/mod.rs +++ b/compiler/rustc_const_eval/src/const_eval/mod.rs @@ -6,6 +6,7 @@ use rustc_middle::mir::interpret::InterpErrorInfo; use rustc_middle::query::{Key, TyCtxtAt}; use rustc_middle::ty::{self, Ty, TyCtxt}; use rustc_target::abi::VariantIdx; +use tracing::instrument; use crate::interpret::{format_interp_error, InterpCx}; diff --git a/compiler/rustc_const_eval/src/const_eval/valtrees.rs b/compiler/rustc_const_eval/src/const_eval/valtrees.rs index fbf2ca5ab0a6..b906bfa775f8 100644 --- a/compiler/rustc_const_eval/src/const_eval/valtrees.rs +++ b/compiler/rustc_const_eval/src/const_eval/valtrees.rs @@ -6,6 +6,7 @@ use rustc_middle::ty::layout::{LayoutCx, LayoutOf, TyAndLayout}; use rustc_middle::ty::{self, ScalarInt, Ty, TyCtxt}; use rustc_span::DUMMY_SP; use rustc_target::abi::{Abi, VariantIdx}; +use tracing::{debug, instrument, trace}; use super::eval_queries::{mk_eval_cx_to_read_const_val, op_to_const}; use super::machine::CompileTimeEvalContext; diff --git a/compiler/rustc_const_eval/src/interpret/cast.rs b/compiler/rustc_const_eval/src/interpret/cast.rs index 799e12f9ac97..ecfb25e32cda 100644 --- a/compiler/rustc_const_eval/src/interpret/cast.rs +++ b/compiler/rustc_const_eval/src/interpret/cast.rs @@ -10,6 +10,7 @@ use rustc_middle::ty::{self, FloatTy, Ty}; use rustc_middle::{bug, span_bug}; use rustc_target::abi::Integer; use rustc_type_ir::TyKind::*; +use tracing::trace; use super::{ err_inval, throw_ub, throw_ub_custom, util::ensure_monomorphic_enough, FnVal, ImmTy, Immediate, diff --git a/compiler/rustc_const_eval/src/interpret/discriminant.rs b/compiler/rustc_const_eval/src/interpret/discriminant.rs index f0f898fdd288..0790f06e6e1d 100644 --- a/compiler/rustc_const_eval/src/interpret/discriminant.rs +++ b/compiler/rustc_const_eval/src/interpret/discriminant.rs @@ -6,6 +6,7 @@ use rustc_middle::ty::layout::{LayoutOf, PrimitiveExt}; use rustc_middle::ty::{self, ScalarInt, Ty}; use rustc_target::abi::{self, TagEncoding}; use rustc_target::abi::{VariantIdx, Variants}; +use tracing::{instrument, trace}; use super::{ err_ub, throw_ub, ImmTy, InterpCx, InterpResult, Machine, Readable, Scalar, Writeable, diff --git a/compiler/rustc_const_eval/src/interpret/eval_context.rs b/compiler/rustc_const_eval/src/interpret/eval_context.rs index 344bb7cd98be..cf3e69c046dc 100644 --- a/compiler/rustc_const_eval/src/interpret/eval_context.rs +++ b/compiler/rustc_const_eval/src/interpret/eval_context.rs @@ -2,6 +2,7 @@ use std::cell::Cell; use std::{fmt, mem}; use either::{Either, Left, Right}; +use tracing::{debug, info, info_span, instrument, trace}; use hir::CRATE_HIR_ID; use rustc_errors::DiagCtxt; diff --git a/compiler/rustc_const_eval/src/interpret/intern.rs b/compiler/rustc_const_eval/src/interpret/intern.rs index 3565b4fb5165..c34b658fb373 100644 --- a/compiler/rustc_const_eval/src/interpret/intern.rs +++ b/compiler/rustc_const_eval/src/interpret/intern.rs @@ -23,6 +23,7 @@ use rustc_middle::query::TyCtxtAt; use rustc_middle::ty::layout::TyAndLayout; use rustc_span::def_id::LocalDefId; use rustc_span::sym; +use tracing::{instrument, trace}; use super::{err_ub, AllocId, Allocation, InterpCx, MPlaceTy, Machine, MemoryKind, PlaceTy}; use crate::const_eval; diff --git a/compiler/rustc_const_eval/src/interpret/intrinsics.rs b/compiler/rustc_const_eval/src/interpret/intrinsics.rs index e7a46bae57fc..3a8f8dc4cb9d 100644 --- a/compiler/rustc_const_eval/src/interpret/intrinsics.rs +++ b/compiler/rustc_const_eval/src/interpret/intrinsics.rs @@ -14,6 +14,7 @@ use rustc_middle::{ }; use rustc_span::symbol::{sym, Symbol}; use rustc_target::abi::Size; +use tracing::trace; use super::{ err_inval, err_ub_custom, err_unsup_format, memory::MemoryKind, throw_inval, throw_ub_custom, diff --git a/compiler/rustc_const_eval/src/interpret/memory.rs b/compiler/rustc_const_eval/src/interpret/memory.rs index 737f2fd8bb98..23273e694441 100644 --- a/compiler/rustc_const_eval/src/interpret/memory.rs +++ b/compiler/rustc_const_eval/src/interpret/memory.rs @@ -21,6 +21,8 @@ use rustc_middle::mir::display_allocation; use rustc_middle::ty::{self, Instance, ParamEnv, Ty, TyCtxt}; use rustc_target::abi::{Align, HasDataLayout, Size}; +use tracing::{debug, instrument, trace}; + use crate::fluent_generated as fluent; use super::{ diff --git a/compiler/rustc_const_eval/src/interpret/operand.rs b/compiler/rustc_const_eval/src/interpret/operand.rs index 71d22e1ca862..8f01b8720104 100644 --- a/compiler/rustc_const_eval/src/interpret/operand.rs +++ b/compiler/rustc_const_eval/src/interpret/operand.rs @@ -4,6 +4,7 @@ use std::assert_matches::assert_matches; use either::{Either, Left, Right}; +use tracing::trace; use rustc_hir::def::Namespace; use rustc_middle::mir::interpret::ScalarSizeMismatch; diff --git a/compiler/rustc_const_eval/src/interpret/operator.rs b/compiler/rustc_const_eval/src/interpret/operator.rs index 6992856053a9..62641b868e62 100644 --- a/compiler/rustc_const_eval/src/interpret/operator.rs +++ b/compiler/rustc_const_eval/src/interpret/operator.rs @@ -7,6 +7,7 @@ use rustc_middle::ty::layout::{LayoutOf, TyAndLayout}; use rustc_middle::ty::{self, FloatTy, ScalarInt}; use rustc_middle::{bug, span_bug}; use rustc_span::symbol::sym; +use tracing::trace; use super::{err_ub, throw_ub, ImmTy, InterpCx, Machine}; diff --git a/compiler/rustc_const_eval/src/interpret/place.rs b/compiler/rustc_const_eval/src/interpret/place.rs index 9ced825853bd..588db0f547f8 100644 --- a/compiler/rustc_const_eval/src/interpret/place.rs +++ b/compiler/rustc_const_eval/src/interpret/place.rs @@ -5,6 +5,7 @@ use std::assert_matches::assert_matches; use either::{Either, Left, Right}; +use tracing::{instrument, trace}; use rustc_ast::Mutability; use rustc_middle::mir; diff --git a/compiler/rustc_const_eval/src/interpret/projection.rs b/compiler/rustc_const_eval/src/interpret/projection.rs index 0a2fedb48401..cfc4d701aa7b 100644 --- a/compiler/rustc_const_eval/src/interpret/projection.rs +++ b/compiler/rustc_const_eval/src/interpret/projection.rs @@ -18,6 +18,8 @@ use rustc_middle::{bug, span_bug}; use rustc_target::abi::Size; use rustc_target::abi::{self, VariantIdx}; +use tracing::{debug, instrument}; + use super::{ throw_ub, throw_unsup_format, InterpCx, InterpResult, MPlaceTy, Machine, MemPlaceMeta, OpTy, Provenance, Scalar, diff --git a/compiler/rustc_const_eval/src/interpret/step.rs b/compiler/rustc_const_eval/src/interpret/step.rs index 4d653bc47195..58210fe39713 100644 --- a/compiler/rustc_const_eval/src/interpret/step.rs +++ b/compiler/rustc_const_eval/src/interpret/step.rs @@ -3,6 +3,7 @@ //! The main entry point is the `step` method. use either::Either; +use tracing::{info, instrument, trace}; use rustc_index::IndexSlice; use rustc_middle::mir; diff --git a/compiler/rustc_const_eval/src/interpret/terminator.rs b/compiler/rustc_const_eval/src/interpret/terminator.rs index cfe4a3d9cfc9..360cefb5a1fe 100644 --- a/compiler/rustc_const_eval/src/interpret/terminator.rs +++ b/compiler/rustc_const_eval/src/interpret/terminator.rs @@ -1,6 +1,7 @@ use std::borrow::Cow; use either::Either; +use tracing::trace; use rustc_middle::span_bug; use rustc_middle::{ diff --git a/compiler/rustc_const_eval/src/interpret/traits.rs b/compiler/rustc_const_eval/src/interpret/traits.rs index b603ef0d27a4..8b5904594051 100644 --- a/compiler/rustc_const_eval/src/interpret/traits.rs +++ b/compiler/rustc_const_eval/src/interpret/traits.rs @@ -2,6 +2,7 @@ use rustc_middle::mir::interpret::{InterpResult, Pointer}; use rustc_middle::ty::layout::LayoutOf; use rustc_middle::ty::{self, Ty, TyCtxt}; use rustc_target::abi::{Align, Size}; +use tracing::trace; use super::util::ensure_monomorphic_enough; use super::{InterpCx, Machine}; diff --git a/compiler/rustc_const_eval/src/interpret/util.rs b/compiler/rustc_const_eval/src/interpret/util.rs index e304d1e1cc5e..f0f9df73d947 100644 --- a/compiler/rustc_const_eval/src/interpret/util.rs +++ b/compiler/rustc_const_eval/src/interpret/util.rs @@ -7,6 +7,7 @@ use rustc_middle::ty::{ self, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable, TypeVisitableExt, TypeVisitor, }; use std::ops::ControlFlow; +use tracing::debug; use super::{throw_inval, InterpCx, MPlaceTy, MemPlaceMeta, MemoryKind}; diff --git a/compiler/rustc_const_eval/src/interpret/validity.rs b/compiler/rustc_const_eval/src/interpret/validity.rs index e36d30184c85..cf6027a312fa 100644 --- a/compiler/rustc_const_eval/src/interpret/validity.rs +++ b/compiler/rustc_const_eval/src/interpret/validity.rs @@ -8,6 +8,7 @@ use std::fmt::Write; use std::num::NonZero; use either::{Left, Right}; +use tracing::trace; use hir::def::DefKind; use rustc_ast::Mutability; diff --git a/compiler/rustc_const_eval/src/interpret/visitor.rs b/compiler/rustc_const_eval/src/interpret/visitor.rs index 59bcc5174cb2..692eb6c17e6c 100644 --- a/compiler/rustc_const_eval/src/interpret/visitor.rs +++ b/compiler/rustc_const_eval/src/interpret/visitor.rs @@ -6,6 +6,7 @@ use rustc_middle::mir::interpret::InterpResult; use rustc_middle::ty::{self, Ty}; use rustc_target::abi::FieldIdx; use rustc_target::abi::{FieldsShape, VariantIdx, Variants}; +use tracing::trace; use std::num::NonZero; diff --git a/compiler/rustc_const_eval/src/lib.rs b/compiler/rustc_const_eval/src/lib.rs index 7b293e2b5337..b14780c0d98c 100644 --- a/compiler/rustc_const_eval/src/lib.rs +++ b/compiler/rustc_const_eval/src/lib.rs @@ -14,9 +14,6 @@ #![feature(yeet_expr)] #![feature(if_let_guard)] -#[macro_use] -extern crate tracing; - pub mod const_eval; mod errors; pub mod interpret; diff --git a/compiler/rustc_const_eval/src/transform/check_consts/check.rs b/compiler/rustc_const_eval/src/transform/check_consts/check.rs index c8c54143f618..5fbf5b41109f 100644 --- a/compiler/rustc_const_eval/src/transform/check_consts/check.rs +++ b/compiler/rustc_const_eval/src/transform/check_consts/check.rs @@ -20,6 +20,8 @@ use rustc_type_ir::visit::{TypeSuperVisitable, TypeVisitor}; use std::mem; use std::ops::Deref; +use tracing::{debug, instrument, trace}; + use super::ops::{self, NonConstOp, Status}; use super::qualifs::{self, HasMutInterior, NeedsDrop, NeedsNonConstDrop}; use super::resolver::FlowSensitiveAnalysis; diff --git a/compiler/rustc_const_eval/src/transform/check_consts/ops.rs b/compiler/rustc_const_eval/src/transform/check_consts/ops.rs index 8775685e8c73..8406e0f48762 100644 --- a/compiler/rustc_const_eval/src/transform/check_consts/ops.rs +++ b/compiler/rustc_const_eval/src/transform/check_consts/ops.rs @@ -19,6 +19,7 @@ use rustc_session::parse::feature_err; use rustc_span::symbol::sym; use rustc_span::{BytePos, Pos, Span, Symbol}; use rustc_trait_selection::traits::SelectionContext; +use tracing::debug; use super::ConstCx; use crate::errors; diff --git a/compiler/rustc_const_eval/src/transform/check_consts/post_drop_elaboration.rs b/compiler/rustc_const_eval/src/transform/check_consts/post_drop_elaboration.rs index 5cd13783c231..f0763f1e490f 100644 --- a/compiler/rustc_const_eval/src/transform/check_consts/post_drop_elaboration.rs +++ b/compiler/rustc_const_eval/src/transform/check_consts/post_drop_elaboration.rs @@ -2,6 +2,7 @@ use rustc_middle::mir::visit::Visitor; use rustc_middle::mir::{self, BasicBlock, Location}; use rustc_middle::ty::{Ty, TyCtxt}; use rustc_span::{symbol::sym, Span}; +use tracing::trace; use super::check::Qualifs; use super::ops::{self, NonConstOp}; diff --git a/compiler/rustc_const_eval/src/transform/check_consts/qualifs.rs b/compiler/rustc_const_eval/src/transform/check_consts/qualifs.rs index 7e8a208659b9..5949444e599a 100644 --- a/compiler/rustc_const_eval/src/transform/check_consts/qualifs.rs +++ b/compiler/rustc_const_eval/src/transform/check_consts/qualifs.rs @@ -13,6 +13,7 @@ use rustc_middle::ty::{self, AdtDef, GenericArgsRef, Ty}; use rustc_trait_selection::traits::{ ImplSource, Obligation, ObligationCause, ObligationCtxt, SelectionContext, }; +use tracing::{instrument, trace}; use super::ConstCx; diff --git a/compiler/rustc_const_eval/src/util/alignment.rs b/compiler/rustc_const_eval/src/util/alignment.rs index 8642dfccd784..528274e6abac 100644 --- a/compiler/rustc_const_eval/src/util/alignment.rs +++ b/compiler/rustc_const_eval/src/util/alignment.rs @@ -1,6 +1,7 @@ use rustc_middle::mir::*; use rustc_middle::ty::{self, TyCtxt}; use rustc_target::abi::Align; +use tracing::debug; /// Returns `true` if this place is allowed to be less aligned /// than its containing struct (because it is within a packed diff --git a/compiler/rustc_const_eval/src/util/caller_location.rs b/compiler/rustc_const_eval/src/util/caller_location.rs index 403bc1eca134..bc5fe39f8673 100644 --- a/compiler/rustc_const_eval/src/util/caller_location.rs +++ b/compiler/rustc_const_eval/src/util/caller_location.rs @@ -5,6 +5,7 @@ use rustc_middle::query::TyCtxtAt; use rustc_middle::ty::layout::LayoutOf; use rustc_middle::ty::{self, Mutability}; use rustc_span::symbol::Symbol; +use tracing::trace; use crate::const_eval::{mk_eval_cx_to_read_const_val, CanAccessMutGlobal, CompileTimeEvalContext}; use crate::interpret::*; From 70e964afe346f336f507c655e02dc1ef90deae9d Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 22 May 2024 14:22:37 +1000 Subject: [PATCH 0447/1716] Remove `#[macro_use] extern crate tracing` from `rustc_monomorphize`. --- compiler/rustc_monomorphize/src/collector.rs | 1 + compiler/rustc_monomorphize/src/collector/move_check.rs | 1 + compiler/rustc_monomorphize/src/lib.rs | 3 --- compiler/rustc_monomorphize/src/partitioning.rs | 1 + compiler/rustc_monomorphize/src/polymorphize.rs | 1 + 5 files changed, 4 insertions(+), 3 deletions(-) diff --git a/compiler/rustc_monomorphize/src/collector.rs b/compiler/rustc_monomorphize/src/collector.rs index 4b435649216b..76972ff2263d 100644 --- a/compiler/rustc_monomorphize/src/collector.rs +++ b/compiler/rustc_monomorphize/src/collector.rs @@ -236,6 +236,7 @@ use rustc_span::symbol::{sym, Ident}; use rustc_span::{Span, DUMMY_SP}; use rustc_target::abi::Size; use std::path::PathBuf; +use tracing::{debug, instrument, trace}; use crate::errors::{ self, EncounteredErrorWhileInstantiating, NoOptimizedMir, RecursionLimit, TypeLengthLimit, diff --git a/compiler/rustc_monomorphize/src/collector/move_check.rs b/compiler/rustc_monomorphize/src/collector/move_check.rs index 4cc7275ab806..851f86e86b8e 100644 --- a/compiler/rustc_monomorphize/src/collector/move_check.rs +++ b/compiler/rustc_monomorphize/src/collector/move_check.rs @@ -1,4 +1,5 @@ use rustc_session::lint::builtin::LARGE_ASSIGNMENTS; +use tracing::debug; use super::*; use crate::errors::LargeAssignmentsLint; diff --git a/compiler/rustc_monomorphize/src/lib.rs b/compiler/rustc_monomorphize/src/lib.rs index ddfb42a6f4a6..b298fe5813f8 100644 --- a/compiler/rustc_monomorphize/src/lib.rs +++ b/compiler/rustc_monomorphize/src/lib.rs @@ -2,9 +2,6 @@ #![feature(is_sorted)] #![allow(rustc::potential_query_instability)] -#[macro_use] -extern crate tracing; - use rustc_hir::lang_items::LangItem; use rustc_middle::bug; use rustc_middle::query::{Providers, TyCtxtAt}; diff --git a/compiler/rustc_monomorphize/src/partitioning.rs b/compiler/rustc_monomorphize/src/partitioning.rs index 8f7b4c6472c9..21d52004728a 100644 --- a/compiler/rustc_monomorphize/src/partitioning.rs +++ b/compiler/rustc_monomorphize/src/partitioning.rs @@ -116,6 +116,7 @@ use rustc_middle::ty::{self, visit::TypeVisitableExt, InstanceDef, TyCtxt}; use rustc_session::config::{DumpMonoStatsFormat, SwitchWithOptPath}; use rustc_session::CodegenUnits; use rustc_span::symbol::Symbol; +use tracing::debug; use crate::collector::UsageMap; use crate::collector::{self, MonoItemCollectionStrategy}; diff --git a/compiler/rustc_monomorphize/src/polymorphize.rs b/compiler/rustc_monomorphize/src/polymorphize.rs index 14ebe27ac23c..dc13766d1451 100644 --- a/compiler/rustc_monomorphize/src/polymorphize.rs +++ b/compiler/rustc_monomorphize/src/polymorphize.rs @@ -18,6 +18,7 @@ use rustc_middle::ty::{ GenericArgsRef, Ty, TyCtxt, UnusedGenericParams, }; use rustc_span::symbol::sym; +use tracing::{debug, instrument}; use crate::errors::UnusedGenericParamsHint; From d787fb062c378758507be712ad951bafa9e6e400 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 22 May 2024 14:29:10 +1000 Subject: [PATCH 0448/1716] Remove `#[macro_use] extern crate tracing` from `rustc_metadata`. --- compiler/rustc_metadata/src/creader.rs | 1 + compiler/rustc_metadata/src/dependency_format.rs | 1 + compiler/rustc_metadata/src/lib.rs | 3 --- compiler/rustc_metadata/src/locator.rs | 1 + compiler/rustc_metadata/src/rmeta/decoder.rs | 1 + compiler/rustc_metadata/src/rmeta/encoder.rs | 1 + compiler/rustc_metadata/src/rmeta/table.rs | 1 + 7 files changed, 6 insertions(+), 3 deletions(-) diff --git a/compiler/rustc_metadata/src/creader.rs b/compiler/rustc_metadata/src/creader.rs index be1a73ef0a7d..44a3e9760e1e 100644 --- a/compiler/rustc_metadata/src/creader.rs +++ b/compiler/rustc_metadata/src/creader.rs @@ -27,6 +27,7 @@ use rustc_span::edition::Edition; use rustc_span::symbol::{sym, Symbol}; use rustc_span::{Span, DUMMY_SP}; use rustc_target::spec::{PanicStrategy, Target, TargetTriple}; +use tracing::{debug, info, trace}; use proc_macro::bridge::client::ProcMacro; use std::error::Error; diff --git a/compiler/rustc_metadata/src/dependency_format.rs b/compiler/rustc_metadata/src/dependency_format.rs index 99181f9c8605..9c69ab2344e5 100644 --- a/compiler/rustc_metadata/src/dependency_format.rs +++ b/compiler/rustc_metadata/src/dependency_format.rs @@ -65,6 +65,7 @@ use rustc_middle::ty::TyCtxt; use rustc_session::config::CrateType; use rustc_session::cstore::CrateDepKind; use rustc_session::cstore::LinkagePreference::{self, RequireDynamic, RequireStatic}; +use tracing::info; pub(crate) fn calculate(tcx: TyCtxt<'_>) -> Dependencies { tcx.crate_types() diff --git a/compiler/rustc_metadata/src/lib.rs b/compiler/rustc_metadata/src/lib.rs index 00bb4c435c8b..acaf9fb0fc32 100644 --- a/compiler/rustc_metadata/src/lib.rs +++ b/compiler/rustc_metadata/src/lib.rs @@ -20,9 +20,6 @@ extern crate proc_macro; -#[macro_use] -extern crate tracing; - pub use rmeta::provide; mod dependency_format; diff --git a/compiler/rustc_metadata/src/locator.rs b/compiler/rustc_metadata/src/locator.rs index 6ff19974c1e7..73443de35538 100644 --- a/compiler/rustc_metadata/src/locator.rs +++ b/compiler/rustc_metadata/src/locator.rs @@ -231,6 +231,7 @@ use rustc_session::Session; use rustc_span::symbol::Symbol; use rustc_span::Span; use rustc_target::spec::{Target, TargetTriple}; +use tracing::{debug, info}; use snap::read::FrameDecoder; use std::borrow::Cow; diff --git a/compiler/rustc_metadata/src/rmeta/decoder.rs b/compiler/rustc_metadata/src/rmeta/decoder.rs index f91e121a240e..695525e755de 100644 --- a/compiler/rustc_metadata/src/rmeta/decoder.rs +++ b/compiler/rustc_metadata/src/rmeta/decoder.rs @@ -28,6 +28,7 @@ use rustc_session::cstore::{CrateSource, ExternCrate}; use rustc_session::Session; use rustc_span::symbol::kw; use rustc_span::{BytePos, Pos, SpanData, SpanDecoder, SyntaxContext, DUMMY_SP}; +use tracing::debug; use proc_macro::bridge::client::ProcMacro; use std::iter::TrustedLen; diff --git a/compiler/rustc_metadata/src/rmeta/encoder.rs b/compiler/rustc_metadata/src/rmeta/encoder.rs index db0dc6d9064b..4a39e97e356d 100644 --- a/compiler/rustc_metadata/src/rmeta/encoder.rs +++ b/compiler/rustc_metadata/src/rmeta/encoder.rs @@ -33,6 +33,7 @@ use std::collections::hash_map::Entry; use std::fs::File; use std::io::{Read, Seek, Write}; use std::path::{Path, PathBuf}; +use tracing::{debug, instrument, trace}; pub(super) struct EncodeContext<'a, 'tcx> { opaque: opaque::FileEncoder, diff --git a/compiler/rustc_metadata/src/rmeta/table.rs b/compiler/rustc_metadata/src/rmeta/table.rs index 019cb91c765e..23a6ceb4d3e5 100644 --- a/compiler/rustc_metadata/src/rmeta/table.rs +++ b/compiler/rustc_metadata/src/rmeta/table.rs @@ -2,6 +2,7 @@ use crate::rmeta::*; use rustc_hir::def::CtorOf; use rustc_index::Idx; +use tracing::trace; pub(super) trait IsDefault: Default { fn is_default(&self) -> bool; From 25393640537d3a0a7e8840fb6b12657d2c262275 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 22 May 2024 14:35:22 +1000 Subject: [PATCH 0449/1716] Remove `#[macro_use] extern crate tracing` from `rustc_mir_build`. --- compiler/rustc_mir_build/src/build/block.rs | 1 + compiler/rustc_mir_build/src/build/cfg.rs | 1 + compiler/rustc_mir_build/src/build/custom/parse.rs | 2 +- compiler/rustc_mir_build/src/build/expr/as_constant.rs | 1 + compiler/rustc_mir_build/src/build/expr/as_operand.rs | 1 + compiler/rustc_mir_build/src/build/expr/as_place.rs | 1 + compiler/rustc_mir_build/src/build/expr/as_rvalue.rs | 1 + compiler/rustc_mir_build/src/build/expr/as_temp.rs | 1 + compiler/rustc_mir_build/src/build/expr/into.rs | 1 + compiler/rustc_mir_build/src/build/expr/stmt.rs | 1 + compiler/rustc_mir_build/src/build/matches/mod.rs | 2 ++ compiler/rustc_mir_build/src/build/matches/simplify.rs | 1 + compiler/rustc_mir_build/src/build/matches/test.rs | 1 + compiler/rustc_mir_build/src/build/matches/util.rs | 1 + compiler/rustc_mir_build/src/build/misc.rs | 1 + compiler/rustc_mir_build/src/build/scope.rs | 1 + compiler/rustc_mir_build/src/lib.rs | 3 --- compiler/rustc_mir_build/src/thir/constant.rs | 1 + compiler/rustc_mir_build/src/thir/cx/block.rs | 4 ++-- compiler/rustc_mir_build/src/thir/cx/expr.rs | 1 + compiler/rustc_mir_build/src/thir/cx/mod.rs | 1 + compiler/rustc_mir_build/src/thir/pattern/check_match.rs | 1 + compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs | 1 + compiler/rustc_mir_build/src/thir/pattern/mod.rs | 1 + compiler/rustc_mir_build/src/thir/util.rs | 1 + 25 files changed, 26 insertions(+), 6 deletions(-) diff --git a/compiler/rustc_mir_build/src/build/block.rs b/compiler/rustc_mir_build/src/build/block.rs index 6ae98e15946d..c1d645aa42cb 100644 --- a/compiler/rustc_mir_build/src/build/block.rs +++ b/compiler/rustc_mir_build/src/build/block.rs @@ -5,6 +5,7 @@ use rustc_middle::span_bug; use rustc_middle::thir::*; use rustc_middle::{mir::*, ty}; use rustc_span::Span; +use tracing::debug; impl<'a, 'tcx> Builder<'a, 'tcx> { pub(crate) fn ast_block( diff --git a/compiler/rustc_mir_build/src/build/cfg.rs b/compiler/rustc_mir_build/src/build/cfg.rs index 18e45291e9a8..6034c8fadc57 100644 --- a/compiler/rustc_mir_build/src/build/cfg.rs +++ b/compiler/rustc_mir_build/src/build/cfg.rs @@ -3,6 +3,7 @@ use crate::build::CFG; use rustc_middle::mir::*; use rustc_middle::ty::TyCtxt; +use tracing::debug; impl<'tcx> CFG<'tcx> { pub(crate) fn block_data(&self, blk: BasicBlock) -> &BasicBlockData<'tcx> { diff --git a/compiler/rustc_mir_build/src/build/custom/parse.rs b/compiler/rustc_mir_build/src/build/custom/parse.rs index 0384b9bc154e..8bcd429b67eb 100644 --- a/compiler/rustc_mir_build/src/build/custom/parse.rs +++ b/compiler/rustc_mir_build/src/build/custom/parse.rs @@ -38,7 +38,7 @@ macro_rules! parse_by_kind { ) => {{ let expr_id = $self.preparse($expr_id); let expr = &$self.thir[expr_id]; - debug!("Trying to parse {:?} as {}", expr.kind, $expected); + tracing::debug!("Trying to parse {:?} as {}", expr.kind, $expected); let $expr_name = expr; match &expr.kind { $( diff --git a/compiler/rustc_mir_build/src/build/expr/as_constant.rs b/compiler/rustc_mir_build/src/build/expr/as_constant.rs index 817f5f787b1b..b4dd423f344a 100644 --- a/compiler/rustc_mir_build/src/build/expr/as_constant.rs +++ b/compiler/rustc_mir_build/src/build/expr/as_constant.rs @@ -11,6 +11,7 @@ use rustc_middle::ty::{ }; use rustc_middle::{bug, span_bug}; use rustc_target::abi::Size; +use tracing::{instrument, trace}; impl<'a, 'tcx> Builder<'a, 'tcx> { /// Compile `expr`, yielding a compile-time constant. Assumes that diff --git a/compiler/rustc_mir_build/src/build/expr/as_operand.rs b/compiler/rustc_mir_build/src/build/expr/as_operand.rs index 076ee7f85ff6..09ce134a2bf6 100644 --- a/compiler/rustc_mir_build/src/build/expr/as_operand.rs +++ b/compiler/rustc_mir_build/src/build/expr/as_operand.rs @@ -5,6 +5,7 @@ use crate::build::{BlockAnd, BlockAndExtension, Builder, NeedsTemporary}; use rustc_middle::middle::region; use rustc_middle::mir::*; use rustc_middle::thir::*; +use tracing::{debug, instrument}; impl<'a, 'tcx> Builder<'a, 'tcx> { /// Returns an operand suitable for use until the end of the current diff --git a/compiler/rustc_mir_build/src/build/expr/as_place.rs b/compiler/rustc_mir_build/src/build/expr/as_place.rs index 9963629fc52f..93d0d4e59ba9 100644 --- a/compiler/rustc_mir_build/src/build/expr/as_place.rs +++ b/compiler/rustc_mir_build/src/build/expr/as_place.rs @@ -15,6 +15,7 @@ use rustc_middle::ty::AdtDef; use rustc_middle::ty::{self, CanonicalUserTypeAnnotation, Ty, Variance}; use rustc_span::Span; use rustc_target::abi::{FieldIdx, VariantIdx, FIRST_VARIANT}; +use tracing::{debug, instrument, trace}; use std::assert_matches::assert_matches; use std::iter; diff --git a/compiler/rustc_mir_build/src/build/expr/as_rvalue.rs b/compiler/rustc_mir_build/src/build/expr/as_rvalue.rs index 60a2827a3e29..9f9b566bb8fa 100644 --- a/compiler/rustc_mir_build/src/build/expr/as_rvalue.rs +++ b/compiler/rustc_mir_build/src/build/expr/as_rvalue.rs @@ -18,6 +18,7 @@ use rustc_middle::ty::cast::{mir_cast_kind, CastTy}; use rustc_middle::ty::layout::IntegerExt; use rustc_middle::ty::{self, Ty, UpvarArgs}; use rustc_span::{Span, DUMMY_SP}; +use tracing::debug; impl<'a, 'tcx> Builder<'a, 'tcx> { /// Returns an rvalue suitable for use until the end of the current diff --git a/compiler/rustc_mir_build/src/build/expr/as_temp.rs b/compiler/rustc_mir_build/src/build/expr/as_temp.rs index 27e66e7f54d0..607c7c3259c1 100644 --- a/compiler/rustc_mir_build/src/build/expr/as_temp.rs +++ b/compiler/rustc_mir_build/src/build/expr/as_temp.rs @@ -6,6 +6,7 @@ use rustc_data_structures::stack::ensure_sufficient_stack; use rustc_middle::middle::region; use rustc_middle::mir::*; use rustc_middle::thir::*; +use tracing::{debug, instrument}; impl<'a, 'tcx> Builder<'a, 'tcx> { /// Compile `expr` into a fresh temporary. This is used when building diff --git a/compiler/rustc_mir_build/src/build/expr/into.rs b/compiler/rustc_mir_build/src/build/expr/into.rs index f8c910730456..9349133d2dbc 100644 --- a/compiler/rustc_mir_build/src/build/expr/into.rs +++ b/compiler/rustc_mir_build/src/build/expr/into.rs @@ -12,6 +12,7 @@ use rustc_middle::thir::*; use rustc_middle::ty::CanonicalUserTypeAnnotation; use rustc_span::source_map::Spanned; use std::iter; +use tracing::{debug, instrument}; impl<'a, 'tcx> Builder<'a, 'tcx> { /// Compile `expr`, storing the result into `destination`, which diff --git a/compiler/rustc_mir_build/src/build/expr/stmt.rs b/compiler/rustc_mir_build/src/build/expr/stmt.rs index 7f5e45e20cc1..2bdeb579a02d 100644 --- a/compiler/rustc_mir_build/src/build/expr/stmt.rs +++ b/compiler/rustc_mir_build/src/build/expr/stmt.rs @@ -3,6 +3,7 @@ use crate::build::{BlockAnd, BlockAndExtension, BlockFrame, Builder}; use rustc_middle::middle::region; use rustc_middle::mir::*; use rustc_middle::thir::*; +use tracing::debug; impl<'a, 'tcx> Builder<'a, 'tcx> { /// Builds a block of MIR statements to evaluate the THIR `expr`. diff --git a/compiler/rustc_mir_build/src/build/matches/mod.rs b/compiler/rustc_mir_build/src/build/matches/mod.rs index 3fc719394bf9..584e1ce58698 100644 --- a/compiler/rustc_mir_build/src/build/matches/mod.rs +++ b/compiler/rustc_mir_build/src/build/matches/mod.rs @@ -20,6 +20,8 @@ use rustc_middle::ty::{self, CanonicalUserTypeAnnotation, Ty}; use rustc_span::symbol::Symbol; use rustc_span::{BytePos, Pos, Span}; use rustc_target::abi::VariantIdx; +use tracing::{debug, instrument}; + // helper functions, broken out by category: mod simplify; mod test; diff --git a/compiler/rustc_mir_build/src/build/matches/simplify.rs b/compiler/rustc_mir_build/src/build/matches/simplify.rs index 90f12e55ff4c..543301c71a0e 100644 --- a/compiler/rustc_mir_build/src/build/matches/simplify.rs +++ b/compiler/rustc_mir_build/src/build/matches/simplify.rs @@ -14,6 +14,7 @@ use crate::build::matches::{MatchPair, PatternExtraData, TestCase}; use crate::build::Builder; +use tracing::{debug, instrument}; use std::mem; diff --git a/compiler/rustc_mir_build/src/build/matches/test.rs b/compiler/rustc_mir_build/src/build/matches/test.rs index f3faeb4158ee..2040071e76eb 100644 --- a/compiler/rustc_mir_build/src/build/matches/test.rs +++ b/compiler/rustc_mir_build/src/build/matches/test.rs @@ -18,6 +18,7 @@ use rustc_span::def_id::DefId; use rustc_span::source_map::Spanned; use rustc_span::symbol::{sym, Symbol}; use rustc_span::{Span, DUMMY_SP}; +use tracing::{debug, instrument}; use std::cmp::Ordering; diff --git a/compiler/rustc_mir_build/src/build/matches/util.rs b/compiler/rustc_mir_build/src/build/matches/util.rs index 14c74c761ebb..770f689724af 100644 --- a/compiler/rustc_mir_build/src/build/matches/util.rs +++ b/compiler/rustc_mir_build/src/build/matches/util.rs @@ -7,6 +7,7 @@ use rustc_middle::thir::{self, *}; use rustc_middle::ty::TypeVisitableExt; use rustc_middle::ty::{self, Ty}; use rustc_span::Span; +use tracing::debug; impl<'a, 'tcx> Builder<'a, 'tcx> { pub(crate) fn field_match_pairs<'pat>( diff --git a/compiler/rustc_mir_build/src/build/misc.rs b/compiler/rustc_mir_build/src/build/misc.rs index c263de79c3b8..04e6d24e5a17 100644 --- a/compiler/rustc_mir_build/src/build/misc.rs +++ b/compiler/rustc_mir_build/src/build/misc.rs @@ -7,6 +7,7 @@ use rustc_middle::mir::*; use rustc_middle::ty::{self, Ty}; use rustc_span::Span; use rustc_trait_selection::infer::InferCtxtExt; +use tracing::debug; impl<'a, 'tcx> Builder<'a, 'tcx> { /// Adds a new temporary value of type `ty` storing the result of diff --git a/compiler/rustc_mir_build/src/build/scope.rs b/compiler/rustc_mir_build/src/build/scope.rs index be32363fec52..c7850c7aea87 100644 --- a/compiler/rustc_mir_build/src/build/scope.rs +++ b/compiler/rustc_mir_build/src/build/scope.rs @@ -94,6 +94,7 @@ use rustc_middle::{bug, span_bug}; use rustc_session::lint::Level; use rustc_span::source_map::Spanned; use rustc_span::{Span, DUMMY_SP}; +use tracing::{debug, instrument}; #[derive(Debug)] pub struct Scopes<'tcx> { diff --git a/compiler/rustc_mir_build/src/lib.rs b/compiler/rustc_mir_build/src/lib.rs index 2e1cb0e1b5e0..74600c6b12eb 100644 --- a/compiler/rustc_mir_build/src/lib.rs +++ b/compiler/rustc_mir_build/src/lib.rs @@ -10,9 +10,6 @@ #![feature(let_chains)] #![feature(try_blocks)] -#[macro_use] -extern crate tracing; - mod build; mod check_unsafety; mod errors; diff --git a/compiler/rustc_mir_build/src/thir/constant.rs b/compiler/rustc_mir_build/src/thir/constant.rs index 03c7c1fd6ec6..31bc72184caa 100644 --- a/compiler/rustc_mir_build/src/thir/constant.rs +++ b/compiler/rustc_mir_build/src/thir/constant.rs @@ -2,6 +2,7 @@ use rustc_ast as ast; use rustc_middle::bug; use rustc_middle::mir::interpret::{LitToConstError, LitToConstInput}; use rustc_middle::ty::{self, ParamEnv, ScalarInt, TyCtxt}; +use tracing::trace; use crate::build::parse_float_into_scalar; diff --git a/compiler/rustc_mir_build/src/thir/cx/block.rs b/compiler/rustc_mir_build/src/thir/cx/block.rs index d4a347975dba..54eafdd828ae 100644 --- a/compiler/rustc_mir_build/src/thir/cx/block.rs +++ b/compiler/rustc_mir_build/src/thir/cx/block.rs @@ -1,12 +1,12 @@ use crate::thir::cx::Cx; use rustc_hir as hir; +use rustc_index::Idx; use rustc_middle::middle::region; use rustc_middle::thir::*; use rustc_middle::ty; - -use rustc_index::Idx; use rustc_middle::ty::CanonicalUserTypeAnnotation; +use tracing::debug; impl<'tcx> Cx<'tcx> { pub(crate) fn mirror_block(&mut self, block: &'tcx hir::Block<'tcx>) -> BlockId { diff --git a/compiler/rustc_mir_build/src/thir/cx/expr.rs b/compiler/rustc_mir_build/src/thir/cx/expr.rs index b77666669605..28f9300b97a8 100644 --- a/compiler/rustc_mir_build/src/thir/cx/expr.rs +++ b/compiler/rustc_mir_build/src/thir/cx/expr.rs @@ -25,6 +25,7 @@ use rustc_middle::{bug, span_bug}; use rustc_span::source_map::Spanned; use rustc_span::{sym, Span, DUMMY_SP}; use rustc_target::abi::{FieldIdx, FIRST_VARIANT}; +use tracing::{debug, info, instrument, trace}; impl<'tcx> Cx<'tcx> { pub(crate) fn mirror_expr(&mut self, expr: &'tcx hir::Expr<'tcx>) -> ExprId { diff --git a/compiler/rustc_mir_build/src/thir/cx/mod.rs b/compiler/rustc_mir_build/src/thir/cx/mod.rs index d1d21f88aef6..3c0e2521d88f 100644 --- a/compiler/rustc_mir_build/src/thir/cx/mod.rs +++ b/compiler/rustc_mir_build/src/thir/cx/mod.rs @@ -17,6 +17,7 @@ use rustc_middle::bug; use rustc_middle::middle::region; use rustc_middle::thir::*; use rustc_middle::ty::{self, RvalueScopes, TyCtxt}; +use tracing::instrument; pub(crate) fn thir_body( tcx: TyCtxt<'_>, diff --git a/compiler/rustc_mir_build/src/thir/pattern/check_match.rs b/compiler/rustc_mir_build/src/thir/pattern/check_match.rs index 592f0dcf4ef5..30f57c8c622f 100644 --- a/compiler/rustc_mir_build/src/thir/pattern/check_match.rs +++ b/compiler/rustc_mir_build/src/thir/pattern/check_match.rs @@ -24,6 +24,7 @@ use rustc_session::lint::builtin::{ }; use rustc_span::hygiene::DesugaringKind; use rustc_span::{sym, Span}; +use tracing::instrument; pub(crate) fn check_match(tcx: TyCtxt<'_>, def_id: LocalDefId) -> Result<(), ErrorGuaranteed> { let typeck_results = tcx.typeck(def_id); diff --git a/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs b/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs index c6f81c3cb997..bac47fafbfd7 100644 --- a/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs +++ b/compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs @@ -12,6 +12,7 @@ use rustc_span::{ErrorGuaranteed, Span}; use rustc_target::abi::{FieldIdx, VariantIdx}; use rustc_trait_selection::traits::query::evaluate_obligation::InferCtxtExt; use rustc_trait_selection::traits::{self, ObligationCause}; +use tracing::{debug, instrument, trace}; use std::cell::Cell; diff --git a/compiler/rustc_mir_build/src/thir/pattern/mod.rs b/compiler/rustc_mir_build/src/thir/pattern/mod.rs index dc845b3d4acc..7408c679f00b 100644 --- a/compiler/rustc_mir_build/src/thir/pattern/mod.rs +++ b/compiler/rustc_mir_build/src/thir/pattern/mod.rs @@ -25,6 +25,7 @@ use rustc_middle::{bug, span_bug}; use rustc_span::def_id::LocalDefId; use rustc_span::{ErrorGuaranteed, Span}; use rustc_target::abi::{FieldIdx, Integer}; +use tracing::{debug, instrument}; use std::cmp::Ordering; diff --git a/compiler/rustc_mir_build/src/thir/util.rs b/compiler/rustc_mir_build/src/thir/util.rs index 340eb3c2eea0..53a2a0852eb4 100644 --- a/compiler/rustc_mir_build/src/thir/util.rs +++ b/compiler/rustc_mir_build/src/thir/util.rs @@ -1,6 +1,7 @@ use rustc_hir as hir; use rustc_middle::bug; use rustc_middle::ty::{self, CanonicalUserType, TyCtxt, UserType}; +use tracing::debug; pub(crate) trait UserAnnotatedTyHelpers<'tcx> { fn tcx(&self) -> TyCtxt<'tcx>; From bb364fe9502e1a70c9464bbfdbc40a280caad762 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 22 May 2024 14:42:14 +1000 Subject: [PATCH 0450/1716] Remove `#[macro_use] extern crate tracing` from `rustc_parse`. --- compiler/rustc_parse/src/lexer/mod.rs | 1 + compiler/rustc_parse/src/lexer/unescape_error_reporting.rs | 1 + compiler/rustc_parse/src/lib.rs | 3 --- compiler/rustc_parse/src/parser/diagnostics.rs | 1 + compiler/rustc_parse/src/parser/expr.rs | 1 + compiler/rustc_parse/src/parser/item.rs | 1 + 6 files changed, 5 insertions(+), 3 deletions(-) diff --git a/compiler/rustc_parse/src/lexer/mod.rs b/compiler/rustc_parse/src/lexer/mod.rs index 6eb8bed6a8c4..d3a6a0339784 100644 --- a/compiler/rustc_parse/src/lexer/mod.rs +++ b/compiler/rustc_parse/src/lexer/mod.rs @@ -18,6 +18,7 @@ use rustc_session::lint::BuiltinLintDiag; use rustc_session::parse::ParseSess; use rustc_span::symbol::Symbol; use rustc_span::{edition::Edition, BytePos, Pos, Span}; +use tracing::debug; mod diagnostics; mod tokentrees; diff --git a/compiler/rustc_parse/src/lexer/unescape_error_reporting.rs b/compiler/rustc_parse/src/lexer/unescape_error_reporting.rs index fa242a32a181..cad25c66827b 100644 --- a/compiler/rustc_parse/src/lexer/unescape_error_reporting.rs +++ b/compiler/rustc_parse/src/lexer/unescape_error_reporting.rs @@ -6,6 +6,7 @@ use std::ops::Range; use rustc_errors::{Applicability, DiagCtxt, ErrorGuaranteed}; use rustc_lexer::unescape::{EscapeError, Mode}; use rustc_span::{BytePos, Span}; +use tracing::debug; use crate::errors::{MoreThanOneCharNote, MoreThanOneCharSugg, NoBraceUnicodeSub, UnescapeError}; diff --git a/compiler/rustc_parse/src/lib.rs b/compiler/rustc_parse/src/lib.rs index 0f973dfcd796..322739be3fb3 100644 --- a/compiler/rustc_parse/src/lib.rs +++ b/compiler/rustc_parse/src/lib.rs @@ -10,9 +10,6 @@ #![feature(iter_intersperse)] #![feature(let_chains)] -#[macro_use] -extern crate tracing; - use rustc_ast as ast; use rustc_ast::token; use rustc_ast::tokenstream::TokenStream; diff --git a/compiler/rustc_parse/src/parser/diagnostics.rs b/compiler/rustc_parse/src/parser/diagnostics.rs index ac12787f2ef0..9677eea06044 100644 --- a/compiler/rustc_parse/src/parser/diagnostics.rs +++ b/compiler/rustc_parse/src/parser/diagnostics.rs @@ -45,6 +45,7 @@ use rustc_span::{BytePos, Span, SpanSnippetError, Symbol, DUMMY_SP}; use std::mem::take; use std::ops::{Deref, DerefMut}; use thin_vec::{thin_vec, ThinVec}; +use tracing::{debug, trace}; /// Creates a placeholder argument. pub(super) fn dummy_arg(ident: Ident, guar: ErrorGuaranteed) -> Param { diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs index fd3f63a04de5..1b99bc015b60 100644 --- a/compiler/rustc_parse/src/parser/expr.rs +++ b/compiler/rustc_parse/src/parser/expr.rs @@ -36,6 +36,7 @@ use rustc_span::source_map::{self, Spanned}; use rustc_span::symbol::{kw, sym, Ident, Symbol}; use rustc_span::{BytePos, ErrorGuaranteed, Pos, Span}; use thin_vec::{thin_vec, ThinVec}; +use tracing::instrument; /// Possibly accepts an `token::Interpolated` expression (a pre-parsed expression /// dropped into the token stream, which happens while parsing the result of diff --git a/compiler/rustc_parse/src/parser/item.rs b/compiler/rustc_parse/src/parser/item.rs index f43ddadc2ea0..53757c38e8b0 100644 --- a/compiler/rustc_parse/src/parser/item.rs +++ b/compiler/rustc_parse/src/parser/item.rs @@ -23,6 +23,7 @@ use rustc_span::{Span, DUMMY_SP}; use std::fmt::Write; use std::mem; use thin_vec::{thin_vec, ThinVec}; +use tracing::debug; impl<'a> Parser<'a> { /// Parses a source module as a crate. This is the main entry point for the parser. From 9287aede315833ed6220ba5ad1cfd2ce13249b92 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 22 May 2024 14:45:14 +1000 Subject: [PATCH 0451/1716] Remove `#[macro_use] extern crate tracing` from `rustc_mir_dataflow`. --- compiler/rustc_mir_dataflow/src/drop_flag_effects.rs | 1 + compiler/rustc_mir_dataflow/src/elaborate_drops.rs | 1 + compiler/rustc_mir_dataflow/src/framework/engine.rs | 1 + compiler/rustc_mir_dataflow/src/impls/initialized.rs | 1 + compiler/rustc_mir_dataflow/src/lib.rs | 3 --- compiler/rustc_mir_dataflow/src/move_paths/builder.rs | 1 + compiler/rustc_mir_dataflow/src/rustc_peek.rs | 1 + compiler/rustc_mir_dataflow/src/value_analysis.rs | 1 + 8 files changed, 7 insertions(+), 3 deletions(-) diff --git a/compiler/rustc_mir_dataflow/src/drop_flag_effects.rs b/compiler/rustc_mir_dataflow/src/drop_flag_effects.rs index de1ca8d823b3..82c59d7d9595 100644 --- a/compiler/rustc_mir_dataflow/src/drop_flag_effects.rs +++ b/compiler/rustc_mir_dataflow/src/drop_flag_effects.rs @@ -1,6 +1,7 @@ use crate::elaborate_drops::DropFlagState; use rustc_middle::mir::{self, Body, Location, Terminator, TerminatorKind}; use rustc_target::abi::VariantIdx; +use tracing::debug; use super::move_paths::{InitKind, LookupResult, MoveData, MovePathIndex}; use super::MoveDataParamEnv; diff --git a/compiler/rustc_mir_dataflow/src/elaborate_drops.rs b/compiler/rustc_mir_dataflow/src/elaborate_drops.rs index 185e87baed8c..bdc59e843563 100644 --- a/compiler/rustc_mir_dataflow/src/elaborate_drops.rs +++ b/compiler/rustc_mir_dataflow/src/elaborate_drops.rs @@ -11,6 +11,7 @@ use rustc_span::source_map::Spanned; use rustc_span::DUMMY_SP; use rustc_target::abi::{FieldIdx, VariantIdx, FIRST_VARIANT}; use std::{fmt, iter}; +use tracing::{debug, instrument}; /// The value of an inserted drop flag. #[derive(Debug, PartialEq, Eq, Copy, Clone)] diff --git a/compiler/rustc_mir_dataflow/src/framework/engine.rs b/compiler/rustc_mir_dataflow/src/framework/engine.rs index ea9cf6565e7c..564a99e5df81 100644 --- a/compiler/rustc_mir_dataflow/src/framework/engine.rs +++ b/compiler/rustc_mir_dataflow/src/framework/engine.rs @@ -19,6 +19,7 @@ use rustc_middle::mir::{create_dump_file, dump_enabled}; use rustc_middle::ty::print::with_no_trimmed_paths; use rustc_middle::ty::TyCtxt; use rustc_span::symbol::{sym, Symbol}; +use tracing::{debug, error}; use super::fmt::DebugWithContext; use super::graphviz; diff --git a/compiler/rustc_mir_dataflow/src/impls/initialized.rs b/compiler/rustc_mir_dataflow/src/impls/initialized.rs index 180168c73168..f0b79dab0c97 100644 --- a/compiler/rustc_mir_dataflow/src/impls/initialized.rs +++ b/compiler/rustc_mir_dataflow/src/impls/initialized.rs @@ -3,6 +3,7 @@ use rustc_index::Idx; use rustc_middle::bug; use rustc_middle::mir::{self, Body, CallReturnPlaces, Location, TerminatorEdges}; use rustc_middle::ty::{self, TyCtxt}; +use tracing::{debug, instrument}; use crate::drop_flag_effects_for_function_entry; use crate::drop_flag_effects_for_location; diff --git a/compiler/rustc_mir_dataflow/src/lib.rs b/compiler/rustc_mir_dataflow/src/lib.rs index 5e96a73f6c53..0b397a67d45c 100644 --- a/compiler/rustc_mir_dataflow/src/lib.rs +++ b/compiler/rustc_mir_dataflow/src/lib.rs @@ -4,9 +4,6 @@ #![feature(let_chains)] #![feature(try_blocks)] -#[macro_use] -extern crate tracing; - use rustc_middle::ty; // Please change the public `use` directives cautiously, as they might be used by external tools. diff --git a/compiler/rustc_mir_dataflow/src/move_paths/builder.rs b/compiler/rustc_mir_dataflow/src/move_paths/builder.rs index 521ecb1b9a59..1fb77bef3d41 100644 --- a/compiler/rustc_mir_dataflow/src/move_paths/builder.rs +++ b/compiler/rustc_mir_dataflow/src/move_paths/builder.rs @@ -4,6 +4,7 @@ use rustc_middle::mir::*; use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitableExt}; use rustc_middle::{bug, span_bug}; use smallvec::{smallvec, SmallVec}; +use tracing::debug; use std::mem; diff --git a/compiler/rustc_mir_dataflow/src/rustc_peek.rs b/compiler/rustc_mir_dataflow/src/rustc_peek.rs index d7e3c91b875f..1de9055273b7 100644 --- a/compiler/rustc_mir_dataflow/src/rustc_peek.rs +++ b/compiler/rustc_mir_dataflow/src/rustc_peek.rs @@ -18,6 +18,7 @@ use rustc_middle::mir::{self, Body, Local, Location}; use rustc_middle::ty::{self, Ty, TyCtxt}; use rustc_span::symbol::{sym, Symbol}; use rustc_span::Span; +use tracing::{debug, info}; pub struct SanityCheck; diff --git a/compiler/rustc_mir_dataflow/src/value_analysis.rs b/compiler/rustc_mir_dataflow/src/value_analysis.rs index 1e5322dd99b8..5e2d88f94ca2 100644 --- a/compiler/rustc_mir_dataflow/src/value_analysis.rs +++ b/compiler/rustc_mir_dataflow/src/value_analysis.rs @@ -45,6 +45,7 @@ use rustc_middle::mir::visit::{MutatingUseContext, PlaceContext, Visitor}; use rustc_middle::mir::*; use rustc_middle::ty::{self, Ty, TyCtxt}; use rustc_target::abi::{FieldIdx, VariantIdx}; +use tracing::debug; use crate::lattice::{HasBottom, HasTop}; use crate::{ From 8e94226e618d99f9fa1e27ae0f81fcf738417486 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 22 May 2024 14:50:24 +1000 Subject: [PATCH 0452/1716] Remove `#[macro_use] extern crate tracing` from `rustc_codegen_llvm`. --- compiler/rustc_codegen_llvm/src/asm.rs | 1 + compiler/rustc_codegen_llvm/src/back/archive.rs | 1 + compiler/rustc_codegen_llvm/src/back/lto.rs | 1 + compiler/rustc_codegen_llvm/src/back/write.rs | 1 + compiler/rustc_codegen_llvm/src/builder.rs | 1 + compiler/rustc_codegen_llvm/src/callee.rs | 1 + compiler/rustc_codegen_llvm/src/common.rs | 1 + compiler/rustc_codegen_llvm/src/consts.rs | 1 + compiler/rustc_codegen_llvm/src/coverageinfo/map_data.rs | 1 + compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs | 1 + compiler/rustc_codegen_llvm/src/coverageinfo/mod.rs | 1 + compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs | 1 + compiler/rustc_codegen_llvm/src/debuginfo/mod.rs | 1 + compiler/rustc_codegen_llvm/src/debuginfo/utils.rs | 2 +- compiler/rustc_codegen_llvm/src/declare.rs | 1 + compiler/rustc_codegen_llvm/src/intrinsic.rs | 1 + compiler/rustc_codegen_llvm/src/lib.rs | 3 --- compiler/rustc_codegen_llvm/src/mono_item.rs | 1 + compiler/rustc_codegen_llvm/src/type_of.rs | 1 + 19 files changed, 18 insertions(+), 4 deletions(-) diff --git a/compiler/rustc_codegen_llvm/src/asm.rs b/compiler/rustc_codegen_llvm/src/asm.rs index 71d4343ee07f..db28c6857b74 100644 --- a/compiler/rustc_codegen_llvm/src/asm.rs +++ b/compiler/rustc_codegen_llvm/src/asm.rs @@ -16,6 +16,7 @@ use rustc_middle::{bug, span_bug, ty::Instance}; use rustc_span::{Pos, Span}; use rustc_target::abi::*; use rustc_target::asm::*; +use tracing::debug; use libc::{c_char, c_uint}; use smallvec::SmallVec; diff --git a/compiler/rustc_codegen_llvm/src/back/archive.rs b/compiler/rustc_codegen_llvm/src/back/archive.rs index c304c0cbd3bd..fa7e7e5377a2 100644 --- a/compiler/rustc_codegen_llvm/src/back/archive.rs +++ b/compiler/rustc_codegen_llvm/src/back/archive.rs @@ -18,6 +18,7 @@ use rustc_codegen_ssa::back::archive::{ get_native_object_symbols, try_extract_macho_fat_archive, ArArchiveBuilder, ArchiveBuildFailure, ArchiveBuilder, ArchiveBuilderBuilder, UnknownArchiveKind, }; +use tracing::trace; use rustc_session::cstore::DllImport; use rustc_session::Session; diff --git a/compiler/rustc_codegen_llvm/src/back/lto.rs b/compiler/rustc_codegen_llvm/src/back/lto.rs index e61af863dc07..119849aa4084 100644 --- a/compiler/rustc_codegen_llvm/src/back/lto.rs +++ b/compiler/rustc_codegen_llvm/src/back/lto.rs @@ -20,6 +20,7 @@ use rustc_middle::bug; use rustc_middle::dep_graph::WorkProduct; use rustc_middle::middle::exported_symbols::{SymbolExportInfo, SymbolExportLevel}; use rustc_session::config::{self, CrateType, Lto}; +use tracing::{debug, info}; use std::collections::BTreeMap; use std::ffi::{CStr, CString}; diff --git a/compiler/rustc_codegen_llvm/src/back/write.rs b/compiler/rustc_codegen_llvm/src/back/write.rs index 49f9d7ddab65..97d2e1670e56 100644 --- a/compiler/rustc_codegen_llvm/src/back/write.rs +++ b/compiler/rustc_codegen_llvm/src/back/write.rs @@ -35,6 +35,7 @@ use rustc_session::Session; use rustc_span::symbol::sym; use rustc_span::InnerSpan; use rustc_target::spec::{CodeModel, RelocModel, SanitizerSet, SplitDebuginfo, TlsModel}; +use tracing::debug; use crate::llvm::diagnostic::OptimizationDiagnosticKind; use libc::{c_char, c_int, c_void, size_t}; diff --git a/compiler/rustc_codegen_llvm/src/builder.rs b/compiler/rustc_codegen_llvm/src/builder.rs index 230c58dfcafb..72ff9ea118e2 100644 --- a/compiler/rustc_codegen_llvm/src/builder.rs +++ b/compiler/rustc_codegen_llvm/src/builder.rs @@ -30,6 +30,7 @@ use std::borrow::Cow; use std::iter; use std::ops::Deref; use std::ptr; +use tracing::{debug, instrument}; // All Builders must have an llfn associated with them #[must_use] diff --git a/compiler/rustc_codegen_llvm/src/callee.rs b/compiler/rustc_codegen_llvm/src/callee.rs index e675362ac338..659c6ae0d863 100644 --- a/compiler/rustc_codegen_llvm/src/callee.rs +++ b/compiler/rustc_codegen_llvm/src/callee.rs @@ -12,6 +12,7 @@ use crate::value::Value; use rustc_middle::ty::layout::{FnAbiOf, HasTyCtxt}; use rustc_middle::ty::{self, Instance, TypeVisitableExt}; +use tracing::debug; /// Codegens a reference to a fn/method item, monomorphizing and /// inlining as it goes. diff --git a/compiler/rustc_codegen_llvm/src/common.rs b/compiler/rustc_codegen_llvm/src/common.rs index ec33ce6292ac..ab8036a1410f 100644 --- a/compiler/rustc_codegen_llvm/src/common.rs +++ b/compiler/rustc_codegen_llvm/src/common.rs @@ -19,6 +19,7 @@ use rustc_target::spec::Target; use libc::{c_char, c_uint}; use std::fmt::Write; +use tracing::debug; /* * A note on nomenclature of linking: "extern", "foreign", and "upcall". diff --git a/compiler/rustc_codegen_llvm/src/consts.rs b/compiler/rustc_codegen_llvm/src/consts.rs index 9e85c2d88f9b..a2314f4850c7 100644 --- a/compiler/rustc_codegen_llvm/src/consts.rs +++ b/compiler/rustc_codegen_llvm/src/consts.rs @@ -25,6 +25,7 @@ use rustc_target::abi::{ Align, AlignFromBytesError, HasDataLayout, Primitive, Scalar, Size, WrappingRange, }; use std::ops::Range; +use tracing::{debug, instrument, trace}; pub fn const_alloc_to_llvm<'ll>( cx: &CodegenCx<'ll, '_>, diff --git a/compiler/rustc_codegen_llvm/src/coverageinfo/map_data.rs b/compiler/rustc_codegen_llvm/src/coverageinfo/map_data.rs index d85d9411f03b..b969fe27a99b 100644 --- a/compiler/rustc_codegen_llvm/src/coverageinfo/map_data.rs +++ b/compiler/rustc_codegen_llvm/src/coverageinfo/map_data.rs @@ -9,6 +9,7 @@ use rustc_middle::mir::coverage::{ }; use rustc_middle::ty::Instance; use rustc_span::Symbol; +use tracing::{debug, instrument}; /// Holds all of the coverage mapping data associated with a function instance, /// collected during traversal of `Coverage` statements in the function's MIR. diff --git a/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs b/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs index 3f3969bbca35..d2c0f20c285b 100644 --- a/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs +++ b/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs @@ -14,6 +14,7 @@ use rustc_middle::mir; use rustc_middle::ty::{self, TyCtxt}; use rustc_span::def_id::DefIdSet; use rustc_span::Symbol; +use tracing::debug; /// Generates and exports the Coverage Map. /// diff --git a/compiler/rustc_codegen_llvm/src/coverageinfo/mod.rs b/compiler/rustc_codegen_llvm/src/coverageinfo/mod.rs index 26ea95f0f0d5..7b7f8c885bbb 100644 --- a/compiler/rustc_codegen_llvm/src/coverageinfo/mod.rs +++ b/compiler/rustc_codegen_llvm/src/coverageinfo/mod.rs @@ -17,6 +17,7 @@ use rustc_middle::mir::coverage::CoverageKind; use rustc_middle::ty::layout::HasTyCtxt; use rustc_middle::ty::Instance; use rustc_target::abi::{Align, Size}; +use tracing::{debug, instrument}; use std::cell::RefCell; diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs index f44738ba6421..10d3c0d0e744 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs @@ -41,6 +41,7 @@ use rustc_symbol_mangling::typeid_for_trait_ref; use rustc_target::abi::{Align, Size}; use rustc_target::spec::DebuginfoKind; use smallvec::smallvec; +use tracing::{debug, instrument}; use libc::{c_char, c_longlong, c_uint}; use std::borrow::Cow; diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs b/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs index 6149c18696cf..3486ce4becb4 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs @@ -42,6 +42,7 @@ use std::cell::OnceCell; use std::cell::RefCell; use std::iter; use std::ops::Range; +use tracing::debug; mod create_scope_map; pub mod gdb; diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/utils.rs b/compiler/rustc_codegen_llvm/src/debuginfo/utils.rs index c758010c5819..155e7a89fd8b 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/utils.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/utils.rs @@ -6,7 +6,7 @@ use super::CodegenUnitDebugContext; use rustc_hir::def_id::DefId; use rustc_middle::ty::layout::{HasParamEnv, LayoutOf}; use rustc_middle::ty::{self, Ty}; -use trace; +use tracing::trace; use crate::common::CodegenCx; use crate::llvm; diff --git a/compiler/rustc_codegen_llvm/src/declare.rs b/compiler/rustc_codegen_llvm/src/declare.rs index 7117c4a0ed91..bf86d0e0569b 100644 --- a/compiler/rustc_codegen_llvm/src/declare.rs +++ b/compiler/rustc_codegen_llvm/src/declare.rs @@ -24,6 +24,7 @@ use rustc_data_structures::fx::FxIndexSet; use rustc_middle::ty::{Instance, Ty}; use rustc_sanitizers::{cfi, kcfi}; use smallvec::SmallVec; +use tracing::debug; /// Declare a function. /// diff --git a/compiler/rustc_codegen_llvm/src/intrinsic.rs b/compiler/rustc_codegen_llvm/src/intrinsic.rs index 897132a8e9cc..3d2ce550b238 100644 --- a/compiler/rustc_codegen_llvm/src/intrinsic.rs +++ b/compiler/rustc_codegen_llvm/src/intrinsic.rs @@ -21,6 +21,7 @@ use rustc_middle::{bug, span_bug}; use rustc_span::{sym, Span, Symbol}; use rustc_target::abi::{self, Align, Float, HasDataLayout, Primitive, Size}; use rustc_target::spec::{HasTargetSpec, PanicStrategy}; +use tracing::debug; use std::cmp::Ordering; diff --git a/compiler/rustc_codegen_llvm/src/lib.rs b/compiler/rustc_codegen_llvm/src/lib.rs index 1cecf682e5db..4915dcdaea4b 100644 --- a/compiler/rustc_codegen_llvm/src/lib.rs +++ b/compiler/rustc_codegen_llvm/src/lib.rs @@ -15,9 +15,6 @@ #![feature(let_chains)] #![feature(impl_trait_in_assoc_type)] -#[macro_use] -extern crate tracing; - use back::owned_target_machine::OwnedTargetMachine; use back::write::{create_informational_target_machine, create_target_machine}; diff --git a/compiler/rustc_codegen_llvm/src/mono_item.rs b/compiler/rustc_codegen_llvm/src/mono_item.rs index 29100a641712..a7df08421a31 100644 --- a/compiler/rustc_codegen_llvm/src/mono_item.rs +++ b/compiler/rustc_codegen_llvm/src/mono_item.rs @@ -13,6 +13,7 @@ use rustc_middle::ty::layout::{FnAbiOf, LayoutOf}; use rustc_middle::ty::{self, Instance, TypeVisitableExt}; use rustc_session::config::CrateType; use rustc_target::spec::RelocModel; +use tracing::debug; impl<'tcx> PreDefineMethods<'tcx> for CodegenCx<'_, 'tcx> { fn predefine_static( diff --git a/compiler/rustc_codegen_llvm/src/type_of.rs b/compiler/rustc_codegen_llvm/src/type_of.rs index 5f60fd23a5fe..011d8ab57c75 100644 --- a/compiler/rustc_codegen_llvm/src/type_of.rs +++ b/compiler/rustc_codegen_llvm/src/type_of.rs @@ -8,6 +8,7 @@ use rustc_middle::ty::{self, Ty, TypeVisitableExt}; use rustc_target::abi::{Abi, Align, FieldsShape}; use rustc_target::abi::{Float, Int, Pointer}; use rustc_target::abi::{Scalar, Size, Variants}; +use tracing::debug; use std::fmt::Write; From 8ae0694fcb5887958580145f051bce852f4c8c50 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 22 May 2024 15:08:26 +1000 Subject: [PATCH 0453/1716] Remove `#[macro_use] extern crate tracing` from `rustc_codegen_ssa`. --- .../rustc_codegen_ssa/src/assert_module_sources.rs | 1 + compiler/rustc_codegen_ssa/src/back/link.rs | 1 + compiler/rustc_codegen_ssa/src/back/linker.rs | 1 + compiler/rustc_codegen_ssa/src/back/rpath.rs | 1 + compiler/rustc_codegen_ssa/src/back/symbol_export.rs | 1 + compiler/rustc_codegen_ssa/src/back/write.rs | 1 + compiler/rustc_codegen_ssa/src/base.rs | 1 + compiler/rustc_codegen_ssa/src/lib.rs | 3 --- compiler/rustc_codegen_ssa/src/meth.rs | 1 + compiler/rustc_codegen_ssa/src/mir/analyze.rs | 1 + compiler/rustc_codegen_ssa/src/mir/block.rs | 1 + compiler/rustc_codegen_ssa/src/mir/locals.rs | 2 ++ compiler/rustc_codegen_ssa/src/mir/mod.rs | 1 + compiler/rustc_codegen_ssa/src/mir/operand.rs | 1 + compiler/rustc_codegen_ssa/src/mir/place.rs | 11 ++++++----- compiler/rustc_codegen_ssa/src/mir/rvalue.rs | 1 + compiler/rustc_codegen_ssa/src/mir/statement.rs | 1 + compiler/rustc_codegen_ssa/src/mono_item.rs | 1 + compiler/rustc_codegen_ssa/src/size_of_val.rs | 1 + 19 files changed, 24 insertions(+), 8 deletions(-) diff --git a/compiler/rustc_codegen_ssa/src/assert_module_sources.rs b/compiler/rustc_codegen_ssa/src/assert_module_sources.rs index e441aea8400b..6e7d736eb29d 100644 --- a/compiler/rustc_codegen_ssa/src/assert_module_sources.rs +++ b/compiler/rustc_codegen_ssa/src/assert_module_sources.rs @@ -37,6 +37,7 @@ use rustc_span::{Span, Symbol}; use std::borrow::Cow; use std::fmt; use thin_vec::ThinVec; +use tracing::debug; #[allow(missing_docs)] pub fn assert_module_sources(tcx: TyCtxt<'_>, set_reuse: &dyn Fn(&mut CguReuseTracker)) { diff --git a/compiler/rustc_codegen_ssa/src/back/link.rs b/compiler/rustc_codegen_ssa/src/back/link.rs index 37b8f81ad946..34bf352d6ff7 100644 --- a/compiler/rustc_codegen_ssa/src/back/link.rs +++ b/compiler/rustc_codegen_ssa/src/back/link.rs @@ -52,6 +52,7 @@ use std::ops::Deref; use std::path::{Path, PathBuf}; use std::process::{ExitStatus, Output, Stdio}; use std::{env, fmt, fs, io, mem, str}; +use tracing::{debug, info, warn}; pub fn ensure_removed(dcx: &DiagCtxt, path: &Path) { if let Err(e) = fs::remove_file(path) { diff --git a/compiler/rustc_codegen_ssa/src/back/linker.rs b/compiler/rustc_codegen_ssa/src/back/linker.rs index f85056f8ad41..a82478900b17 100644 --- a/compiler/rustc_codegen_ssa/src/back/linker.rs +++ b/compiler/rustc_codegen_ssa/src/back/linker.rs @@ -22,6 +22,7 @@ use rustc_session::Session; use rustc_target::spec::{Cc, LinkOutputKind, LinkerFlavor, Lld}; use cc::windows_registry; +use tracing::{debug, warn}; /// Disables non-English messages from localized linkers. /// Such messages may cause issues with text encoding on Windows (#35785) diff --git a/compiler/rustc_codegen_ssa/src/back/rpath.rs b/compiler/rustc_codegen_ssa/src/back/rpath.rs index ebbf49af1848..3114f1c38ae7 100644 --- a/compiler/rustc_codegen_ssa/src/back/rpath.rs +++ b/compiler/rustc_codegen_ssa/src/back/rpath.rs @@ -3,6 +3,7 @@ use rustc_data_structures::fx::FxHashSet; use rustc_fs_util::try_canonicalize; use std::ffi::OsString; use std::path::{Path, PathBuf}; +use tracing::debug; pub struct RPathConfig<'a> { pub libs: &'a [&'a Path], diff --git a/compiler/rustc_codegen_ssa/src/back/symbol_export.rs b/compiler/rustc_codegen_ssa/src/back/symbol_export.rs index 0e335bf00cf0..a6df8950b351 100644 --- a/compiler/rustc_codegen_ssa/src/back/symbol_export.rs +++ b/compiler/rustc_codegen_ssa/src/back/symbol_export.rs @@ -18,6 +18,7 @@ use rustc_middle::ty::{GenericArgKind, GenericArgsRef}; use rustc_middle::util::Providers; use rustc_session::config::{CrateType, OomStrategy}; use rustc_target::spec::{SanitizerSet, TlsModel}; +use tracing::debug; pub fn threshold(tcx: TyCtxt<'_>) -> SymbolExportLevel { crates_export_threshold(tcx.crate_types()) diff --git a/compiler/rustc_codegen_ssa/src/back/write.rs b/compiler/rustc_codegen_ssa/src/back/write.rs index 53ba0da7d049..e9ce5f385d85 100644 --- a/compiler/rustc_codegen_ssa/src/back/write.rs +++ b/compiler/rustc_codegen_ssa/src/back/write.rs @@ -49,6 +49,7 @@ use std::str; use std::sync::mpsc::{channel, Receiver, Sender}; use std::sync::Arc; use std::thread; +use tracing::debug; const PRE_LTO_BC_EXT: &str = "pre-lto.bc"; diff --git a/compiler/rustc_codegen_ssa/src/base.rs b/compiler/rustc_codegen_ssa/src/base.rs index 66bc5b6606de..8b1e6c1a5845 100644 --- a/compiler/rustc_codegen_ssa/src/base.rs +++ b/compiler/rustc_codegen_ssa/src/base.rs @@ -45,6 +45,7 @@ use std::collections::BTreeSet; use std::time::{Duration, Instant}; use itertools::Itertools; +use tracing::{debug, info}; pub fn bin_op_to_icmp_predicate(op: BinOp, signed: bool) -> IntPredicate { match op { diff --git a/compiler/rustc_codegen_ssa/src/lib.rs b/compiler/rustc_codegen_ssa/src/lib.rs index 66a7a2e090ae..1668104d7e22 100644 --- a/compiler/rustc_codegen_ssa/src/lib.rs +++ b/compiler/rustc_codegen_ssa/src/lib.rs @@ -15,9 +15,6 @@ //! The backend-agnostic functions of this crate use functions defined in various traits that //! have to be implemented by each backend. -#[macro_use] -extern crate tracing; - use rustc_ast as ast; use rustc_data_structures::fx::FxHashSet; use rustc_data_structures::fx::FxIndexMap; diff --git a/compiler/rustc_codegen_ssa/src/meth.rs b/compiler/rustc_codegen_ssa/src/meth.rs index 23036e9bea02..d6fc8e536b44 100644 --- a/compiler/rustc_codegen_ssa/src/meth.rs +++ b/compiler/rustc_codegen_ssa/src/meth.rs @@ -5,6 +5,7 @@ use rustc_middle::ty::{self, GenericArgKind, Ty}; use rustc_session::config::Lto; use rustc_symbol_mangling::typeid_for_trait_ref; use rustc_target::abi::call::FnAbi; +use tracing::{debug, instrument}; #[derive(Copy, Clone, Debug)] pub struct VirtualIndex(u64); diff --git a/compiler/rustc_codegen_ssa/src/mir/analyze.rs b/compiler/rustc_codegen_ssa/src/mir/analyze.rs index 09ae7cf64109..0577ba32ffdc 100644 --- a/compiler/rustc_codegen_ssa/src/mir/analyze.rs +++ b/compiler/rustc_codegen_ssa/src/mir/analyze.rs @@ -11,6 +11,7 @@ use rustc_middle::mir::visit::{MutatingUseContext, NonMutatingUseContext, PlaceC use rustc_middle::mir::{self, DefLocation, Location, TerminatorKind}; use rustc_middle::ty::layout::{HasTyCtxt, LayoutOf}; use rustc_middle::{bug, span_bug}; +use tracing::debug; pub fn non_ssa_locals<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>( fx: &FunctionCx<'a, 'tcx, Bx>, diff --git a/compiler/rustc_codegen_ssa/src/mir/block.rs b/compiler/rustc_codegen_ssa/src/mir/block.rs index ba6aad51316c..1cb1ba99a5ab 100644 --- a/compiler/rustc_codegen_ssa/src/mir/block.rs +++ b/compiler/rustc_codegen_ssa/src/mir/block.rs @@ -24,6 +24,7 @@ use rustc_span::{source_map::Spanned, sym, Span}; use rustc_target::abi::call::{ArgAbi, FnAbi, PassMode, Reg}; use rustc_target::abi::{self, HasDataLayout, WrappingRange}; use rustc_target::spec::abi::Abi; +use tracing::{debug, info}; use std::cmp; diff --git a/compiler/rustc_codegen_ssa/src/mir/locals.rs b/compiler/rustc_codegen_ssa/src/mir/locals.rs index 7db260c9f5bd..c7f63eab8298 100644 --- a/compiler/rustc_codegen_ssa/src/mir/locals.rs +++ b/compiler/rustc_codegen_ssa/src/mir/locals.rs @@ -7,6 +7,8 @@ use rustc_index::IndexVec; use rustc_middle::mir; use rustc_middle::ty::print::with_no_trimmed_paths; use std::ops::{Index, IndexMut}; +use tracing::{debug, warn}; + pub(super) struct Locals<'tcx, V> { values: IndexVec>, } diff --git a/compiler/rustc_codegen_ssa/src/mir/mod.rs b/compiler/rustc_codegen_ssa/src/mir/mod.rs index cf6e2e8d14c6..e8da98428829 100644 --- a/compiler/rustc_codegen_ssa/src/mir/mod.rs +++ b/compiler/rustc_codegen_ssa/src/mir/mod.rs @@ -10,6 +10,7 @@ use rustc_middle::ty::layout::{FnAbiOf, HasTyCtxt, TyAndLayout}; use rustc_middle::ty::{self, Instance, Ty, TyCtxt, TypeFoldable, TypeVisitableExt}; use rustc_middle::{bug, span_bug}; use rustc_target::abi::call::{FnAbi, PassMode}; +use tracing::{debug, instrument}; use std::iter; diff --git a/compiler/rustc_codegen_ssa/src/mir/operand.rs b/compiler/rustc_codegen_ssa/src/mir/operand.rs index 32fd9b657f99..5b2f9a3be279 100644 --- a/compiler/rustc_codegen_ssa/src/mir/operand.rs +++ b/compiler/rustc_codegen_ssa/src/mir/operand.rs @@ -16,6 +16,7 @@ use std::fmt; use arrayvec::ArrayVec; use either::Either; +use tracing::debug; /// The representation of a Rust value. The enum variant is in fact /// uniquely determined by the value's type, but is kept as a diff --git a/compiler/rustc_codegen_ssa/src/mir/place.rs b/compiler/rustc_codegen_ssa/src/mir/place.rs index 971ac2defdc0..7c3569a9dd2e 100644 --- a/compiler/rustc_codegen_ssa/src/mir/place.rs +++ b/compiler/rustc_codegen_ssa/src/mir/place.rs @@ -12,6 +12,7 @@ use rustc_middle::ty::layout::{HasTyCtxt, LayoutOf, TyAndLayout}; use rustc_middle::ty::{self, Ty}; use rustc_target::abi::{Align, FieldsShape, Int, Pointer, Size, TagEncoding}; use rustc_target::abi::{VariantIdx, Variants}; +use tracing::{debug, instrument}; /// The location and extra runtime properties of the place. /// @@ -159,9 +160,9 @@ impl<'a, 'tcx, V: CodegenObject> PlaceRef<'tcx, V> { bx.inbounds_ptradd(self.val.llval, bx.const_usize(offset.bytes())) }; let val = PlaceValue { - llval, + llval, llextra: if bx.cx().type_has_metadata(field.ty) { self.val.llextra } else { None }, - align: effective_field_align, + align: effective_field_align, }; val.with_type(field) }; @@ -408,9 +409,9 @@ impl<'a, 'tcx, V: CodegenObject> PlaceRef<'tcx, V> { }; let llval = bx.inbounds_gep( - bx.cx().backend_type(self.layout), - self.val.llval, - &[bx.cx().const_usize(0), llindex], + bx.cx().backend_type(self.layout), + self.val.llval, + &[bx.cx().const_usize(0), llindex], ); let align = self.val.align.restrict_for_offset(offset); PlaceValue::new_sized(llval, align).with_type(layout) diff --git a/compiler/rustc_codegen_ssa/src/mir/rvalue.rs b/compiler/rustc_codegen_ssa/src/mir/rvalue.rs index f9085f502d42..4dd80d34ea70 100644 --- a/compiler/rustc_codegen_ssa/src/mir/rvalue.rs +++ b/compiler/rustc_codegen_ssa/src/mir/rvalue.rs @@ -17,6 +17,7 @@ use rustc_span::{Span, DUMMY_SP}; use rustc_target::abi::{self, FieldIdx, FIRST_VARIANT}; use arrayvec::ArrayVec; +use tracing::{debug, instrument}; impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { #[instrument(level = "trace", skip(self, bx))] diff --git a/compiler/rustc_codegen_ssa/src/mir/statement.rs b/compiler/rustc_codegen_ssa/src/mir/statement.rs index a0429022587c..27494f48b099 100644 --- a/compiler/rustc_codegen_ssa/src/mir/statement.rs +++ b/compiler/rustc_codegen_ssa/src/mir/statement.rs @@ -1,6 +1,7 @@ use rustc_middle::mir::{self, NonDivergingIntrinsic}; use rustc_middle::span_bug; use rustc_session::config::OptLevel; +use tracing::instrument; use super::FunctionCx; use super::LocalRef; diff --git a/compiler/rustc_codegen_ssa/src/mono_item.rs b/compiler/rustc_codegen_ssa/src/mono_item.rs index 40921c2932fa..0fbcb938d1a7 100644 --- a/compiler/rustc_codegen_ssa/src/mono_item.rs +++ b/compiler/rustc_codegen_ssa/src/mono_item.rs @@ -9,6 +9,7 @@ use rustc_middle::span_bug; use rustc_middle::ty; use rustc_middle::ty::layout::{HasTyCtxt, LayoutOf}; use rustc_middle::ty::Instance; +use tracing::debug; pub trait MonoItemExt<'a, 'tcx> { fn define>(&self, cx: &'a Bx::CodegenCx); diff --git a/compiler/rustc_codegen_ssa/src/size_of_val.rs b/compiler/rustc_codegen_ssa/src/size_of_val.rs index 032699f1fa15..130fe2eaf2fe 100644 --- a/compiler/rustc_codegen_ssa/src/size_of_val.rs +++ b/compiler/rustc_codegen_ssa/src/size_of_val.rs @@ -9,6 +9,7 @@ use rustc_middle::bug; use rustc_middle::ty::print::{with_no_trimmed_paths, with_no_visible_paths}; use rustc_middle::ty::{self, Ty}; use rustc_target::abi::WrappingRange; +use tracing::{debug, trace}; pub fn size_and_align_of_dst<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>( bx: &mut Bx, From e9a59dbed8d41367d826803dbec11ed83ab0065e Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Wed, 22 May 2024 15:20:21 +1000 Subject: [PATCH 0454/1716] Remove `#[macro_use] extern crate tracing` from `rustc_middle`. --- compiler/rustc_middle/src/hooks/mod.rs | 1 + compiler/rustc_middle/src/lib.rs | 3 --- compiler/rustc_middle/src/lint.rs | 1 + compiler/rustc_middle/src/middle/region.rs | 1 + compiler/rustc_middle/src/middle/stability.rs | 1 + .../src/mir/interpret/allocation/provenance_map.rs | 6 +++--- compiler/rustc_middle/src/mir/interpret/mod.rs | 1 + compiler/rustc_middle/src/mir/interpret/queries.rs | 1 + compiler/rustc_middle/src/mir/mod.rs | 1 + compiler/rustc_middle/src/mir/mono.rs | 1 + compiler/rustc_middle/src/mir/patch.rs | 1 + compiler/rustc_middle/src/mir/pretty.rs | 1 + compiler/rustc_middle/src/mir/tcx.rs | 1 + compiler/rustc_middle/src/thir.rs | 1 + compiler/rustc_middle/src/ty/_match.rs | 1 + compiler/rustc_middle/src/ty/adt.rs | 1 + compiler/rustc_middle/src/ty/consts.rs | 1 + compiler/rustc_middle/src/ty/context.rs | 1 + compiler/rustc_middle/src/ty/erase_regions.rs | 1 + compiler/rustc_middle/src/ty/fold.rs | 1 + compiler/rustc_middle/src/ty/generic_args.rs | 1 + compiler/rustc_middle/src/ty/generics.rs | 1 + compiler/rustc_middle/src/ty/impls_ty.rs | 1 + .../src/ty/inhabitedness/inhabited_predicate.rs | 1 + compiler/rustc_middle/src/ty/inhabitedness/mod.rs | 1 + compiler/rustc_middle/src/ty/instance.rs | 1 + compiler/rustc_middle/src/ty/layout.rs | 1 + compiler/rustc_middle/src/ty/mod.rs | 1 + compiler/rustc_middle/src/ty/normalize_erasing_regions.rs | 1 + compiler/rustc_middle/src/ty/opaque_types.rs | 1 + compiler/rustc_middle/src/ty/predicate.rs | 1 + compiler/rustc_middle/src/ty/print/mod.rs | 1 + compiler/rustc_middle/src/ty/region.rs | 1 + compiler/rustc_middle/src/ty/relate.rs | 1 + compiler/rustc_middle/src/ty/rvalue_scopes.rs | 1 + compiler/rustc_middle/src/ty/trait_def.rs | 1 + compiler/rustc_middle/src/ty/util.rs | 1 + compiler/rustc_middle/src/ty/walk.rs | 1 + compiler/rustc_middle/src/util/call_kind.rs | 1 + compiler/rustc_middle/src/util/find_self_call.rs | 1 + 40 files changed, 41 insertions(+), 6 deletions(-) diff --git a/compiler/rustc_middle/src/hooks/mod.rs b/compiler/rustc_middle/src/hooks/mod.rs index d35b9fc46e4d..bf10a71dbaec 100644 --- a/compiler/rustc_middle/src/hooks/mod.rs +++ b/compiler/rustc_middle/src/hooks/mod.rs @@ -10,6 +10,7 @@ use rustc_hir::def_id::{DefId, DefPathHash}; use rustc_session::StableCrateId; use rustc_span::def_id::{CrateNum, LocalDefId}; use rustc_span::{ExpnHash, ExpnId, DUMMY_SP}; +use tracing::instrument; macro_rules! declare_hooks { ($($(#[$attr:meta])*hook $name:ident($($arg:ident: $K:ty),*) -> $V:ty;)*) => { diff --git a/compiler/rustc_middle/src/lib.rs b/compiler/rustc_middle/src/lib.rs index 70437fdcb6ff..d47e393c912a 100644 --- a/compiler/rustc_middle/src/lib.rs +++ b/compiler/rustc_middle/src/lib.rs @@ -63,9 +63,6 @@ #![feature(yeet_expr)] // tidy-alphabetical-end -#[macro_use] -extern crate tracing; - #[cfg(test)] mod tests; diff --git a/compiler/rustc_middle/src/lint.rs b/compiler/rustc_middle/src/lint.rs index 086582e60a3c..d82d23d62afa 100644 --- a/compiler/rustc_middle/src/lint.rs +++ b/compiler/rustc_middle/src/lint.rs @@ -12,6 +12,7 @@ use rustc_session::lint::{ use rustc_session::Session; use rustc_span::hygiene::{ExpnKind, MacroKind}; use rustc_span::{symbol, DesugaringKind, Span, Symbol, DUMMY_SP}; +use tracing::instrument; use crate::ty::TyCtxt; diff --git a/compiler/rustc_middle/src/middle/region.rs b/compiler/rustc_middle/src/middle/region.rs index de07ba9700ac..6e89dc494fa5 100644 --- a/compiler/rustc_middle/src/middle/region.rs +++ b/compiler/rustc_middle/src/middle/region.rs @@ -13,6 +13,7 @@ use rustc_hir as hir; use rustc_hir::{HirId, HirIdMap, Node}; use rustc_macros::{HashStable, TyDecodable, TyEncodable}; use rustc_span::{Span, DUMMY_SP}; +use tracing::debug; use std::fmt; use std::ops::Deref; diff --git a/compiler/rustc_middle/src/middle/stability.rs b/compiler/rustc_middle/src/middle/stability.rs index e5df05763b02..a377e35b2e9e 100644 --- a/compiler/rustc_middle/src/middle/stability.rs +++ b/compiler/rustc_middle/src/middle/stability.rs @@ -23,6 +23,7 @@ use rustc_session::Session; use rustc_span::symbol::{sym, Symbol}; use rustc_span::Span; use std::num::NonZero; +use tracing::debug; #[derive(PartialEq, Clone, Copy, Debug)] pub enum StabilityLevel { diff --git a/compiler/rustc_middle/src/mir/interpret/allocation/provenance_map.rs b/compiler/rustc_middle/src/mir/interpret/allocation/provenance_map.rs index e974279f1917..4e37295a571b 100644 --- a/compiler/rustc_middle/src/mir/interpret/allocation/provenance_map.rs +++ b/compiler/rustc_middle/src/mir/interpret/allocation/provenance_map.rs @@ -3,12 +3,12 @@ use std::cmp; +use super::{alloc_range, AllocError, AllocRange, AllocResult, CtfeProvenance, Provenance}; use rustc_data_structures::sorted_map::SortedMap; use rustc_macros::HashStable; -use rustc_target::abi::{HasDataLayout, Size}; - -use super::{alloc_range, AllocError, AllocRange, AllocResult, CtfeProvenance, Provenance}; use rustc_serialize::{Decodable, Decoder, Encodable, Encoder}; +use rustc_target::abi::{HasDataLayout, Size}; +use tracing::trace; /// Stores the provenance information of pointers stored in memory. #[derive(Clone, PartialEq, Eq, Hash, Debug)] diff --git a/compiler/rustc_middle/src/mir/interpret/mod.rs b/compiler/rustc_middle/src/mir/interpret/mod.rs index 739b1410e6db..16093cfca6ad 100644 --- a/compiler/rustc_middle/src/mir/interpret/mod.rs +++ b/compiler/rustc_middle/src/mir/interpret/mod.rs @@ -15,6 +15,7 @@ use std::num::NonZero; use std::sync::atomic::{AtomicU32, Ordering}; use smallvec::{smallvec, SmallVec}; +use tracing::{debug, trace}; use rustc_ast::LitKind; use rustc_data_structures::fx::FxHashMap; diff --git a/compiler/rustc_middle/src/mir/interpret/queries.rs b/compiler/rustc_middle/src/mir/interpret/queries.rs index 04d6301116ee..a85181954696 100644 --- a/compiler/rustc_middle/src/mir/interpret/queries.rs +++ b/compiler/rustc_middle/src/mir/interpret/queries.rs @@ -9,6 +9,7 @@ use rustc_hir::def::DefKind; use rustc_hir::def_id::DefId; use rustc_session::lint; use rustc_span::{Span, DUMMY_SP}; +use tracing::{debug, instrument}; impl<'tcx> TyCtxt<'tcx> { /// Evaluates a constant without providing any generic parameters. This is useful to evaluate consts diff --git a/compiler/rustc_middle/src/mir/mod.rs b/compiler/rustc_middle/src/mir/mod.rs index 25cc9ac47c83..2b2b9392a709 100644 --- a/compiler/rustc_middle/src/mir/mod.rs +++ b/compiler/rustc_middle/src/mir/mod.rs @@ -37,6 +37,7 @@ use rustc_span::symbol::Symbol; use rustc_span::{Span, DUMMY_SP}; use either::Either; +use tracing::trace; use std::borrow::Cow; use std::cell::RefCell; diff --git a/compiler/rustc_middle/src/mir/mono.rs b/compiler/rustc_middle/src/mir/mono.rs index daab6c855819..a3d2140eb1b1 100644 --- a/compiler/rustc_middle/src/mir/mono.rs +++ b/compiler/rustc_middle/src/mir/mono.rs @@ -18,6 +18,7 @@ use rustc_span::symbol::Symbol; use rustc_span::Span; use std::fmt; use std::hash::Hash; +use tracing::debug; /// Describes how a monomorphization will be instantiated in object files. #[derive(PartialEq)] diff --git a/compiler/rustc_middle/src/mir/patch.rs b/compiler/rustc_middle/src/mir/patch.rs index 334122970178..18c48d99b81c 100644 --- a/compiler/rustc_middle/src/mir/patch.rs +++ b/compiler/rustc_middle/src/mir/patch.rs @@ -1,4 +1,5 @@ use rustc_middle::mir::*; +use tracing::debug; /// This struct represents a patch to MIR, which can add /// new statements and basic blocks and patch over block diff --git a/compiler/rustc_middle/src/mir/pretty.rs b/compiler/rustc_middle/src/mir/pretty.rs index 7e8598b49df4..7bfb4ac867aa 100644 --- a/compiler/rustc_middle/src/mir/pretty.rs +++ b/compiler/rustc_middle/src/mir/pretty.rs @@ -15,6 +15,7 @@ use rustc_middle::mir::interpret::{ use rustc_middle::mir::visit::Visitor; use rustc_middle::mir::*; use rustc_target::abi::Size; +use tracing::trace; const INDENT: &str = " "; /// Alignment for lining up comments following MIR statements diff --git a/compiler/rustc_middle/src/mir/tcx.rs b/compiler/rustc_middle/src/mir/tcx.rs index fbc7d3af0d7d..a122cffdb876 100644 --- a/compiler/rustc_middle/src/mir/tcx.rs +++ b/compiler/rustc_middle/src/mir/tcx.rs @@ -5,6 +5,7 @@ use crate::mir::*; use rustc_hir as hir; +use tracing::{debug, instrument}; #[derive(Copy, Clone, Debug, TypeFoldable, TypeVisitable)] pub struct PlaceTy<'tcx> { diff --git a/compiler/rustc_middle/src/thir.rs b/compiler/rustc_middle/src/thir.rs index c68b7a6c9eb3..454897aa6720 100644 --- a/compiler/rustc_middle/src/thir.rs +++ b/compiler/rustc_middle/src/thir.rs @@ -32,6 +32,7 @@ use rustc_target::asm::InlineAsmRegOrRegClass; use std::cmp::Ordering; use std::fmt; use std::ops::Index; +use tracing::instrument; pub mod visit; diff --git a/compiler/rustc_middle/src/ty/_match.rs b/compiler/rustc_middle/src/ty/_match.rs index e28e4d66fafc..f30270abd5c1 100644 --- a/compiler/rustc_middle/src/ty/_match.rs +++ b/compiler/rustc_middle/src/ty/_match.rs @@ -1,6 +1,7 @@ use crate::ty::error::TypeError; use crate::ty::relate::{self, Relate, RelateResult, TypeRelation}; use crate::ty::{self, InferConst, Ty, TyCtxt}; +use tracing::{debug, instrument}; /// A type "A" *matches* "B" if the fresh types in B could be /// instantiated with values so as to make it equal to A. Matching is diff --git a/compiler/rustc_middle/src/ty/adt.rs b/compiler/rustc_middle/src/ty/adt.rs index 77da3fbe1d79..48193754077d 100644 --- a/compiler/rustc_middle/src/ty/adt.rs +++ b/compiler/rustc_middle/src/ty/adt.rs @@ -17,6 +17,7 @@ use rustc_query_system::ich::StableHashingContext; use rustc_session::DataTypeKind; use rustc_span::symbol::sym; use rustc_target::abi::{ReprOptions, VariantIdx, FIRST_VARIANT}; +use tracing::{debug, info, trace}; use std::cell::RefCell; use std::hash::{Hash, Hasher}; diff --git a/compiler/rustc_middle/src/ty/consts.rs b/compiler/rustc_middle/src/ty/consts.rs index f7cc055be11c..40a0dbeb2c22 100644 --- a/compiler/rustc_middle/src/ty/consts.rs +++ b/compiler/rustc_middle/src/ty/consts.rs @@ -8,6 +8,7 @@ use rustc_hir::def::{DefKind, Res}; use rustc_hir::def_id::LocalDefId; use rustc_macros::{HashStable, TyDecodable, TyEncodable}; use rustc_type_ir::{self as ir, TypeFlags, WithCachedTypeInfo}; +use tracing::{debug, instrument}; mod int; mod kind; diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index 896114e2483c..3d7214b6c9a1 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -74,6 +74,7 @@ use rustc_target::spec::abi; use rustc_type_ir::TyKind::*; use rustc_type_ir::WithCachedTypeInfo; use rustc_type_ir::{CollectAndApply, Interner, TypeFlags}; +use tracing::{debug, instrument}; use std::assert_matches::assert_matches; use std::borrow::Borrow; diff --git a/compiler/rustc_middle/src/ty/erase_regions.rs b/compiler/rustc_middle/src/ty/erase_regions.rs index cfd36fd8c7c3..cd6e7df31f7c 100644 --- a/compiler/rustc_middle/src/ty/erase_regions.rs +++ b/compiler/rustc_middle/src/ty/erase_regions.rs @@ -1,6 +1,7 @@ use crate::query::Providers; use crate::ty::fold::{TypeFoldable, TypeFolder, TypeSuperFoldable}; use crate::ty::{self, Ty, TyCtxt, TypeFlags, TypeVisitableExt}; +use tracing::debug; pub(super) fn provide(providers: &mut Providers) { *providers = Providers { erase_regions_ty, ..*providers }; diff --git a/compiler/rustc_middle/src/ty/fold.rs b/compiler/rustc_middle/src/ty/fold.rs index fd3bee16e268..d432aeada2c8 100644 --- a/compiler/rustc_middle/src/ty/fold.rs +++ b/compiler/rustc_middle/src/ty/fold.rs @@ -1,6 +1,7 @@ use crate::ty::{self, Binder, BoundTy, Ty, TyCtxt, TypeVisitableExt}; use rustc_data_structures::fx::FxIndexMap; use rustc_hir::def_id::DefId; +use tracing::{debug, instrument}; pub use rustc_type_ir::fold::{FallibleTypeFolder, TypeFoldable, TypeFolder, TypeSuperFoldable}; diff --git a/compiler/rustc_middle/src/ty/generic_args.rs b/compiler/rustc_middle/src/ty/generic_args.rs index cb11bb3ef16d..c7b15c64b086 100644 --- a/compiler/rustc_middle/src/ty/generic_args.rs +++ b/compiler/rustc_middle/src/ty/generic_args.rs @@ -18,6 +18,7 @@ use rustc_macros::{ use rustc_serialize::{Decodable, Encodable}; use rustc_type_ir::WithCachedTypeInfo; use smallvec::SmallVec; +use tracing::debug; use core::intrinsics; use std::marker::PhantomData; diff --git a/compiler/rustc_middle/src/ty/generics.rs b/compiler/rustc_middle/src/ty/generics.rs index cfaca05c2f06..870e4865aeab 100644 --- a/compiler/rustc_middle/src/ty/generics.rs +++ b/compiler/rustc_middle/src/ty/generics.rs @@ -6,6 +6,7 @@ use rustc_hir::def_id::DefId; use rustc_macros::{HashStable, TyDecodable, TyEncodable}; use rustc_span::symbol::{kw, Symbol}; use rustc_span::Span; +use tracing::instrument; use super::{Clause, InstantiatedPredicates, ParamConst, ParamTy, Ty, TyCtxt}; diff --git a/compiler/rustc_middle/src/ty/impls_ty.rs b/compiler/rustc_middle/src/ty/impls_ty.rs index ef7a7a99ff7e..efcf428c2136 100644 --- a/compiler/rustc_middle/src/ty/impls_ty.rs +++ b/compiler/rustc_middle/src/ty/impls_ty.rs @@ -12,6 +12,7 @@ use rustc_data_structures::stable_hasher::{HashStable, StableHasher, ToStableHas use rustc_query_system::ich::StableHashingContext; use std::cell::RefCell; use std::ptr; +use tracing::trace; impl<'a, 'tcx, H, T> HashStable> for &'tcx ty::list::RawList where diff --git a/compiler/rustc_middle/src/ty/inhabitedness/inhabited_predicate.rs b/compiler/rustc_middle/src/ty/inhabitedness/inhabited_predicate.rs index e3eea83ba49a..54b8507babfa 100644 --- a/compiler/rustc_middle/src/ty/inhabitedness/inhabited_predicate.rs +++ b/compiler/rustc_middle/src/ty/inhabitedness/inhabited_predicate.rs @@ -1,5 +1,6 @@ use rustc_macros::HashStable; use smallvec::SmallVec; +use tracing::instrument; use crate::ty::context::TyCtxt; use crate::ty::{self, DefId, OpaqueTypeKey, ParamEnv, Ty}; diff --git a/compiler/rustc_middle/src/ty/inhabitedness/mod.rs b/compiler/rustc_middle/src/ty/inhabitedness/mod.rs index da5d57db5bef..afdf2cbc7266 100644 --- a/compiler/rustc_middle/src/ty/inhabitedness/mod.rs +++ b/compiler/rustc_middle/src/ty/inhabitedness/mod.rs @@ -48,6 +48,7 @@ use crate::ty::context::TyCtxt; use crate::ty::{self, DefId, Ty, TypeVisitableExt, VariantDef, Visibility}; use rustc_type_ir::TyKind::*; +use tracing::instrument; pub mod inhabited_predicate; diff --git a/compiler/rustc_middle/src/ty/instance.rs b/compiler/rustc_middle/src/ty/instance.rs index a08fde976bc1..7da7f69a9543 100644 --- a/compiler/rustc_middle/src/ty/instance.rs +++ b/compiler/rustc_middle/src/ty/instance.rs @@ -14,6 +14,7 @@ use rustc_macros::{ use rustc_middle::ty::normalize_erasing_regions::NormalizationError; use rustc_span::def_id::LOCAL_CRATE; use rustc_span::Symbol; +use tracing::{debug, instrument}; use std::assert_matches::assert_matches; use std::fmt; diff --git a/compiler/rustc_middle/src/ty/layout.rs b/compiler/rustc_middle/src/ty/layout.rs index cf701f837d89..60ce87440328 100644 --- a/compiler/rustc_middle/src/ty/layout.rs +++ b/compiler/rustc_middle/src/ty/layout.rs @@ -19,6 +19,7 @@ use rustc_target::abi::*; use rustc_target::spec::{ abi::Abi as SpecAbi, HasTargetSpec, HasWasmCAbiOpt, PanicStrategy, Target, WasmCAbi, }; +use tracing::debug; use std::borrow::Cow; use std::cmp; diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs index f27409894fa5..79cfeb71d47e 100644 --- a/compiler/rustc_middle/src/ty/mod.rs +++ b/compiler/rustc_middle/src/ty/mod.rs @@ -61,6 +61,7 @@ use rustc_span::{ExpnId, ExpnKind, Span}; use rustc_target::abi::{Align, FieldIdx, Integer, IntegerType, VariantIdx}; pub use rustc_target::abi::{ReprFlags, ReprOptions}; pub use rustc_type_ir::{DebugWithInfcx, InferCtxtLike, WithInfcx}; +use tracing::{debug, instrument}; pub use vtable::*; use std::assert_matches::assert_matches; diff --git a/compiler/rustc_middle/src/ty/normalize_erasing_regions.rs b/compiler/rustc_middle/src/ty/normalize_erasing_regions.rs index 115cf3eeb226..e2cfabfdafaa 100644 --- a/compiler/rustc_middle/src/ty/normalize_erasing_regions.rs +++ b/compiler/rustc_middle/src/ty/normalize_erasing_regions.rs @@ -11,6 +11,7 @@ use crate::traits::query::NoSolution; use crate::ty::fold::{FallibleTypeFolder, TypeFoldable, TypeFolder}; use crate::ty::{self, EarlyBinder, GenericArgsRef, Ty, TyCtxt, TypeVisitableExt}; use rustc_macros::{HashStable, TyDecodable, TyEncodable}; +use tracing::{debug, instrument}; #[derive(Debug, Copy, Clone, HashStable, TyEncodable, TyDecodable)] pub enum NormalizationError<'tcx> { diff --git a/compiler/rustc_middle/src/ty/opaque_types.rs b/compiler/rustc_middle/src/ty/opaque_types.rs index fa5265c58e43..bbcbcdce1b2e 100644 --- a/compiler/rustc_middle/src/ty/opaque_types.rs +++ b/compiler/rustc_middle/src/ty/opaque_types.rs @@ -5,6 +5,7 @@ use crate::ty::{GenericArg, GenericArgKind}; use rustc_data_structures::fx::FxHashMap; use rustc_span::def_id::DefId; use rustc_span::Span; +use tracing::{debug, instrument, trace}; /// Converts generic params of a TypeFoldable from one /// item's generics to another. Usually from a function's generics diff --git a/compiler/rustc_middle/src/ty/predicate.rs b/compiler/rustc_middle/src/ty/predicate.rs index 293cc0a7eca3..efb6cf255462 100644 --- a/compiler/rustc_middle/src/ty/predicate.rs +++ b/compiler/rustc_middle/src/ty/predicate.rs @@ -4,6 +4,7 @@ use rustc_hir::def_id::DefId; use rustc_macros::{extension, HashStable}; use rustc_type_ir as ir; use std::cmp::Ordering; +use tracing::instrument; use crate::ty::{ self, DebruijnIndex, EarlyBinder, PredicatePolarity, Ty, TyCtxt, TypeFlags, Upcast, UpcastFrom, diff --git a/compiler/rustc_middle/src/ty/print/mod.rs b/compiler/rustc_middle/src/ty/print/mod.rs index dc77f59f3d0f..3c27df9529aa 100644 --- a/compiler/rustc_middle/src/ty/print/mod.rs +++ b/compiler/rustc_middle/src/ty/print/mod.rs @@ -7,6 +7,7 @@ use rustc_data_structures::sso::SsoHashSet; use rustc_hir as hir; use rustc_hir::def_id::{CrateNum, DefId, LocalDefId}; use rustc_hir::definitions::{DefPathData, DisambiguatedDefPathData}; +use tracing::{debug, instrument, trace}; // `pretty` is a separate module only for organization. mod pretty; diff --git a/compiler/rustc_middle/src/ty/region.rs b/compiler/rustc_middle/src/ty/region.rs index d7da37385e1f..958e7e401684 100644 --- a/compiler/rustc_middle/src/ty/region.rs +++ b/compiler/rustc_middle/src/ty/region.rs @@ -8,6 +8,7 @@ use rustc_span::{ErrorGuaranteed, DUMMY_SP}; use rustc_type_ir::RegionKind as IrRegionKind; pub use rustc_type_ir::RegionVid; use std::ops::Deref; +use tracing::debug; use crate::ty::{self, BoundVar, TyCtxt, TypeFlags}; diff --git a/compiler/rustc_middle/src/ty/relate.rs b/compiler/rustc_middle/src/ty/relate.rs index 947de3f3aaa5..f02b4849f83d 100644 --- a/compiler/rustc_middle/src/ty/relate.rs +++ b/compiler/rustc_middle/src/ty/relate.rs @@ -14,6 +14,7 @@ use rustc_hir::def_id::DefId; use rustc_macros::TypeVisitable; use rustc_target::spec::abi; use std::iter; +use tracing::{debug, instrument}; use super::Pattern; diff --git a/compiler/rustc_middle/src/ty/rvalue_scopes.rs b/compiler/rustc_middle/src/ty/rvalue_scopes.rs index cb2f7284eaa0..8ec7946e7180 100644 --- a/compiler/rustc_middle/src/ty/rvalue_scopes.rs +++ b/compiler/rustc_middle/src/ty/rvalue_scopes.rs @@ -2,6 +2,7 @@ use crate::middle::region::{Scope, ScopeData, ScopeTree}; use rustc_hir as hir; use rustc_hir::ItemLocalMap; use rustc_macros::{HashStable, TyDecodable, TyEncodable}; +use tracing::debug; /// `RvalueScopes` is a mapping from sub-expressions to _extended_ lifetime as determined by /// rules laid out in `rustc_hir_analysis::check::rvalue_scopes`. diff --git a/compiler/rustc_middle/src/ty/trait_def.rs b/compiler/rustc_middle/src/ty/trait_def.rs index cf1cbb934105..4dba97c3b5b8 100644 --- a/compiler/rustc_middle/src/ty/trait_def.rs +++ b/compiler/rustc_middle/src/ty/trait_def.rs @@ -5,6 +5,7 @@ use hir::def_id::LOCAL_CRATE; use rustc_hir as hir; use rustc_hir::def_id::DefId; use std::iter; +use tracing::debug; use rustc_data_structures::fx::FxIndexMap; use rustc_errors::ErrorGuaranteed; diff --git a/compiler/rustc_middle/src/ty/util.rs b/compiler/rustc_middle/src/ty/util.rs index 8c14f1e080a1..5a3d90221ebd 100644 --- a/compiler/rustc_middle/src/ty/util.rs +++ b/compiler/rustc_middle/src/ty/util.rs @@ -24,6 +24,7 @@ use rustc_target::abi::{Float, Integer, IntegerType, Size}; use rustc_target::spec::abi::Abi; use smallvec::{smallvec, SmallVec}; use std::{fmt, iter}; +use tracing::{debug, instrument, trace}; #[derive(Copy, Clone, Debug)] pub struct Discr<'tcx> { diff --git a/compiler/rustc_middle/src/ty/walk.rs b/compiler/rustc_middle/src/ty/walk.rs index 089e61749c3e..a9421aacff83 100644 --- a/compiler/rustc_middle/src/ty/walk.rs +++ b/compiler/rustc_middle/src/ty/walk.rs @@ -5,6 +5,7 @@ use crate::ty::{self, Ty}; use crate::ty::{GenericArg, GenericArgKind}; use rustc_data_structures::sso::SsoHashSet; use smallvec::{smallvec, SmallVec}; +use tracing::debug; // The TypeWalker's stack is hot enough that it's worth going to some effort to // avoid heap allocations. diff --git a/compiler/rustc_middle/src/util/call_kind.rs b/compiler/rustc_middle/src/util/call_kind.rs index 4e2a2c6ae0ac..a4cbfe867112 100644 --- a/compiler/rustc_middle/src/util/call_kind.rs +++ b/compiler/rustc_middle/src/util/call_kind.rs @@ -8,6 +8,7 @@ use rustc_hir::def_id::DefId; use rustc_hir::{lang_items, LangItem}; use rustc_span::symbol::Ident; use rustc_span::{sym, DesugaringKind, Span}; +use tracing::debug; #[derive(Clone, Copy, PartialEq, Eq, Debug)] pub enum CallDesugaringKind { diff --git a/compiler/rustc_middle/src/util/find_self_call.rs b/compiler/rustc_middle/src/util/find_self_call.rs index 0ca4fce5da9b..027e2703e98d 100644 --- a/compiler/rustc_middle/src/util/find_self_call.rs +++ b/compiler/rustc_middle/src/util/find_self_call.rs @@ -3,6 +3,7 @@ use crate::ty::GenericArgsRef; use crate::ty::{self, TyCtxt}; use rustc_span::def_id::DefId; use rustc_span::source_map::Spanned; +use tracing::debug; /// Checks if the specified `local` is used as the `self` parameter of a method call /// in the provided `BasicBlock`. If it is, then the `DefId` of the called method is From de644626c3789e62d24bb90873bdc1b41b5f6db2 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Thu, 23 May 2024 11:32:22 +0200 Subject: [PATCH 0455/1716] Migrate `run-make/rustdoc-with-short-out-dir-option` to `rmake.rs` --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - .../rustdoc-with-short-out-dir-option/Makefile | 8 -------- .../rustdoc-with-short-out-dir-option/rmake.rs | 16 ++++++++++++++++ 3 files changed, 16 insertions(+), 9 deletions(-) delete mode 100644 tests/run-make/rustdoc-with-short-out-dir-option/Makefile create mode 100644 tests/run-make/rustdoc-with-short-out-dir-option/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 96fb8e27e6d2..9233dd8c89f6 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -236,7 +236,6 @@ run-make/rustdoc-io-error/Makefile run-make/rustdoc-scrape-examples-macros/Makefile run-make/rustdoc-verify-output-files/Makefile run-make/rustdoc-with-output-option/Makefile -run-make/rustdoc-with-short-out-dir-option/Makefile run-make/sanitizer-cdylib-link/Makefile run-make/sanitizer-dylib-link/Makefile run-make/sanitizer-staticlib-link/Makefile diff --git a/tests/run-make/rustdoc-with-short-out-dir-option/Makefile b/tests/run-make/rustdoc-with-short-out-dir-option/Makefile deleted file mode 100644 index 1b9327bce225..000000000000 --- a/tests/run-make/rustdoc-with-short-out-dir-option/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -include ../tools.mk - -OUTPUT_DIR := "$(TMPDIR)/rustdoc" - -all: - $(RUSTDOC) src/lib.rs --crate-name foobar --crate-type lib -o $(OUTPUT_DIR) - - $(HTMLDOCCK) $(OUTPUT_DIR) src/lib.rs diff --git a/tests/run-make/rustdoc-with-short-out-dir-option/rmake.rs b/tests/run-make/rustdoc-with-short-out-dir-option/rmake.rs new file mode 100644 index 000000000000..6206173ecf16 --- /dev/null +++ b/tests/run-make/rustdoc-with-short-out-dir-option/rmake.rs @@ -0,0 +1,16 @@ +use run_make_support::{htmldocck, rustdoc, tmp_dir}; + +fn main() { + let out_dir = tmp_dir().join("rustdoc"); + + rustdoc() + .input("src/lib.rs") + .crate_name("foobar") + .crate_type("lib") + // This is intentionally using `-o` option flag and not the `output()` method. + .arg("-o") + .arg(&out_dir) + .run(); + + assert!(htmldocck().arg(out_dir).arg("src/lib.rs").status().unwrap().success()); +} From 301c8decceb7bb87de350cf062140e937c4d6120 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Thu, 23 May 2024 10:44:10 +0000 Subject: [PATCH 0456/1716] Add regression tests --- tests/ui/consts/erroneous_type_in_promoted.rs | 14 ++++++++++ .../consts/erroneous_type_in_promoted.stderr | 28 +++++++++++++++++++ 2 files changed, 42 insertions(+) create mode 100644 tests/ui/consts/erroneous_type_in_promoted.rs create mode 100644 tests/ui/consts/erroneous_type_in_promoted.stderr diff --git a/tests/ui/consts/erroneous_type_in_promoted.rs b/tests/ui/consts/erroneous_type_in_promoted.rs new file mode 100644 index 000000000000..32e33c2030fb --- /dev/null +++ b/tests/ui/consts/erroneous_type_in_promoted.rs @@ -0,0 +1,14 @@ +//! ICE test #124348 +//! We should not be running const eval if the layout has errors. + +enum Eek { + TheConst, + UnusedByTheConst(Sum), + //~^ ERROR cannot find type `Sum` in this scope +} + +const fn foo() { + let x: &'static [Eek] = &[]; +} + +fn main() {} diff --git a/tests/ui/consts/erroneous_type_in_promoted.stderr b/tests/ui/consts/erroneous_type_in_promoted.stderr new file mode 100644 index 000000000000..48502adebce9 --- /dev/null +++ b/tests/ui/consts/erroneous_type_in_promoted.stderr @@ -0,0 +1,28 @@ +error[E0412]: cannot find type `Sum` in this scope + --> $DIR/erroneous_type_in_promoted.rs:6:22 + | +LL | UnusedByTheConst(Sum), + | ^^^ not found in this scope + | +help: consider importing this trait + | +LL + use std::iter::Sum; + | + +note: erroneous constant encountered + --> $DIR/erroneous_type_in_promoted.rs:11:29 + | +LL | let x: &'static [Eek] = &[]; + | ^^^ + +note: erroneous constant encountered + --> $DIR/erroneous_type_in_promoted.rs:11:29 + | +LL | let x: &'static [Eek] = &[]; + | ^^^ + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0412`. From 4cf34cb75268d13a3ec08476058e96fb5b1c1eef Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Mon, 29 Apr 2024 11:53:23 +0000 Subject: [PATCH 0457/1716] Allow const eval failures if the cause is a type layout issue --- .../rustc_const_eval/src/const_eval/error.rs | 9 +++++---- .../src/interpret/eval_context.rs | 17 ++++++++++++++--- .../rustc_middle/src/mir/interpret/error.rs | 3 +++ tests/crashes/124348.rs | 7 ------- .../erroneous_type_in_const_return_value.rs | 12 ++++++++++++ .../erroneous_type_in_const_return_value.stderr | 14 ++++++++++++++ .../ui/consts/erroneous_type_in_promoted.stderr | 14 -------------- 7 files changed, 48 insertions(+), 28 deletions(-) delete mode 100644 tests/crashes/124348.rs create mode 100644 tests/ui/consts/erroneous_type_in_const_return_value.rs create mode 100644 tests/ui/consts/erroneous_type_in_const_return_value.stderr diff --git a/compiler/rustc_const_eval/src/const_eval/error.rs b/compiler/rustc_const_eval/src/const_eval/error.rs index 08c9609eacfa..7a1c2a7b6fa5 100644 --- a/compiler/rustc_const_eval/src/const_eval/error.rs +++ b/compiler/rustc_const_eval/src/const_eval/error.rs @@ -2,7 +2,7 @@ use std::mem; use rustc_errors::{DiagArgName, DiagArgValue, DiagMessage, Diagnostic, IntoDiagArg}; use rustc_hir::CRATE_HIR_ID; -use rustc_middle::mir::interpret::Provenance; +use rustc_middle::mir::interpret::{Provenance, ReportedErrorInfo}; use rustc_middle::mir::AssertKind; use rustc_middle::query::TyCtxtAt; use rustc_middle::ty::TyCtxt; @@ -139,9 +139,10 @@ where ErrorHandled::TooGeneric(span) } err_inval!(AlreadyReported(guar)) => ErrorHandled::Reported(guar, span), - err_inval!(Layout(LayoutError::ReferencesError(guar))) => { - ErrorHandled::Reported(guar.into(), span) - } + err_inval!(Layout(LayoutError::ReferencesError(guar))) => ErrorHandled::Reported( + ReportedErrorInfo::tainted_by_errors(guar), + span, + ), // Report remaining errors. _ => { let (our_span, frames) = get_span_and_frames(); diff --git a/compiler/rustc_const_eval/src/interpret/eval_context.rs b/compiler/rustc_const_eval/src/interpret/eval_context.rs index 344bb7cd98be..1207150b8b19 100644 --- a/compiler/rustc_const_eval/src/interpret/eval_context.rs +++ b/compiler/rustc_const_eval/src/interpret/eval_context.rs @@ -1181,9 +1181,20 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { ) -> InterpResult<'tcx, OpTy<'tcx, M::Provenance>> { M::eval_mir_constant(self, *val, span, layout, |ecx, val, span, layout| { let const_val = val.eval(*ecx.tcx, ecx.param_env, span).map_err(|err| { - if M::ALL_CONSTS_ARE_PRECHECKED && !matches!(err, ErrorHandled::TooGeneric(..)) { - // Looks like the const is not captued by `required_consts`, that's bad. - bug!("interpret const eval failure of {val:?} which is not in required_consts"); + if M::ALL_CONSTS_ARE_PRECHECKED { + match err { + ErrorHandled::TooGeneric(..) => {}, + ErrorHandled::Reported(reported, span) => { + if reported.is_tainted_by_errors() { + // const-eval will return "tainted" errors if e.g. the layout cannot + // be computed as the type references non-existing names. + // See . + } else { + // Looks like the const is not captued by `required_consts`, that's bad. + span_bug!(span, "interpret const eval failure of {val:?} which is not in required_consts"); + } + } + } } err.emit_note(*ecx.tcx); err diff --git a/compiler/rustc_middle/src/mir/interpret/error.rs b/compiler/rustc_middle/src/mir/interpret/error.rs index ed0e7c836c29..eabbcc2033f1 100644 --- a/compiler/rustc_middle/src/mir/interpret/error.rs +++ b/compiler/rustc_middle/src/mir/interpret/error.rs @@ -66,6 +66,9 @@ impl ReportedErrorInfo { pub fn tainted_by_errors(error: ErrorGuaranteed) -> ReportedErrorInfo { ReportedErrorInfo { is_tainted_by_errors: true, error } } + pub fn is_tainted_by_errors(&self) -> bool { + self.is_tainted_by_errors + } } impl From for ReportedErrorInfo { diff --git a/tests/crashes/124348.rs b/tests/crashes/124348.rs deleted file mode 100644 index 554f383026cb..000000000000 --- a/tests/crashes/124348.rs +++ /dev/null @@ -1,7 +0,0 @@ -//@ known-bug: #124348 -enum Eek { - TheConst, - UnusedByTheConst(Sum), -} - -const EEK_ZERO: &[Eek] = &[]; diff --git a/tests/ui/consts/erroneous_type_in_const_return_value.rs b/tests/ui/consts/erroneous_type_in_const_return_value.rs new file mode 100644 index 000000000000..304211f77da7 --- /dev/null +++ b/tests/ui/consts/erroneous_type_in_const_return_value.rs @@ -0,0 +1,12 @@ +//! ICE test #124348 +//! We should not be running const eval if the layout has errors. + +enum Eek { + TheConst, + UnusedByTheConst(Sum), + //~^ ERROR cannot find type `Sum` in this scope +} + +const EEK_ZERO: &[Eek] = &[]; + +fn main() {} diff --git a/tests/ui/consts/erroneous_type_in_const_return_value.stderr b/tests/ui/consts/erroneous_type_in_const_return_value.stderr new file mode 100644 index 000000000000..453f5b640973 --- /dev/null +++ b/tests/ui/consts/erroneous_type_in_const_return_value.stderr @@ -0,0 +1,14 @@ +error[E0412]: cannot find type `Sum` in this scope + --> $DIR/erroneous_type_in_const_return_value.rs:6:22 + | +LL | UnusedByTheConst(Sum), + | ^^^ not found in this scope + | +help: consider importing this trait + | +LL + use std::iter::Sum; + | + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0412`. diff --git a/tests/ui/consts/erroneous_type_in_promoted.stderr b/tests/ui/consts/erroneous_type_in_promoted.stderr index 48502adebce9..0601fc9ebe7f 100644 --- a/tests/ui/consts/erroneous_type_in_promoted.stderr +++ b/tests/ui/consts/erroneous_type_in_promoted.stderr @@ -9,20 +9,6 @@ help: consider importing this trait LL + use std::iter::Sum; | -note: erroneous constant encountered - --> $DIR/erroneous_type_in_promoted.rs:11:29 - | -LL | let x: &'static [Eek] = &[]; - | ^^^ - -note: erroneous constant encountered - --> $DIR/erroneous_type_in_promoted.rs:11:29 - | -LL | let x: &'static [Eek] = &[]; - | ^^^ - | - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` - error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0412`. From c398b2c1933f284977cdc4e3866d8c67649cd581 Mon Sep 17 00:00:00 2001 From: joboet Date: Thu, 23 May 2024 13:38:52 +0200 Subject: [PATCH 0458/1716] core: use `Copy` in TAIT to fix clippy lint --- library/core/src/slice/ascii.rs | 2 +- library/core/src/str/mod.rs | 18 +++++++++--------- 2 files changed, 10 insertions(+), 10 deletions(-) diff --git a/library/core/src/slice/ascii.rs b/library/core/src/slice/ascii.rs index 20f5e321d4fa..19c91ba2eb98 100644 --- a/library/core/src/slice/ascii.rs +++ b/library/core/src/slice/ascii.rs @@ -190,7 +190,7 @@ impl [u8] { } } -type EscapeByte = impl (Fn(&u8) -> ascii::EscapeDefault) + Clone; +type EscapeByte = impl (Fn(&u8) -> ascii::EscapeDefault) + Copy; /// An iterator over the escaped version of a byte slice. /// diff --git a/library/core/src/str/mod.rs b/library/core/src/str/mod.rs index 3e8cccd5c18f..edda4d1b6870 100644 --- a/library/core/src/str/mod.rs +++ b/library/core/src/str/mod.rs @@ -2764,15 +2764,15 @@ impl Default for &mut str { } } -type LinesMap = impl (Fn(&str) -> &str) + Clone; -type CharEscapeDebugContinue = impl (FnMut(char) -> char::EscapeDebug) + Clone; -type CharEscapeUnicode = impl (Fn(char) -> char::EscapeUnicode) + Clone; -type CharEscapeDefault = impl (Fn(char) -> char::EscapeDefault) + Clone; -type IsWhitespace = impl (Fn(char) -> bool) + Clone; -type IsAsciiWhitespace = impl (Fn(&u8) -> bool) + Clone; -type IsNotEmpty = impl (Fn(&&str) -> bool) + Clone; -type BytesIsNotEmpty<'a> = impl (FnMut(&&'a [u8]) -> bool) + Clone; -type UnsafeBytesToStr<'a> = impl (FnMut(&'a [u8]) -> &'a str) + Clone; +type LinesMap = impl (Fn(&str) -> &str) + Copy; +type CharEscapeDebugContinue = impl (FnMut(char) -> char::EscapeDebug) + Copy; +type CharEscapeUnicode = impl (Fn(char) -> char::EscapeUnicode) + Copy; +type CharEscapeDefault = impl (Fn(char) -> char::EscapeDefault) + Copy; +type IsWhitespace = impl (Fn(char) -> bool) + Copy; +type IsAsciiWhitespace = impl (Fn(&u8) -> bool) + Copy; +type IsNotEmpty = impl (Fn(&&str) -> bool) + Copy; +type BytesIsNotEmpty<'a> = impl (FnMut(&&'a [u8]) -> bool) + Copy; +type UnsafeBytesToStr<'a> = impl (FnMut(&'a [u8]) -> &'a str) + Copy; // This is required to make `impl From<&str> for Box` and `impl From for Box` not overlap. #[stable(feature = "rust1", since = "1.0.0")] From 085b3d49c98190f998ba6f3ec68f50583a07d21f Mon Sep 17 00:00:00 2001 From: joboet Date: Sun, 24 Sep 2023 19:46:29 +0200 Subject: [PATCH 0459/1716] std: rewrite native thread-local storage --- .../std/src/sys/thread_local/fast_local.rs | 247 ------------------ .../src/sys/thread_local/fast_local/eager.rs | 82 ++++++ .../src/sys/thread_local/fast_local/lazy.rs | 122 +++++++++ .../src/sys/thread_local/fast_local/mod.rs | 122 +++++++++ library/std/src/sys/thread_local/mod.rs | 5 +- library/std/src/thread/mod.rs | 2 +- 6 files changed, 331 insertions(+), 249 deletions(-) delete mode 100644 library/std/src/sys/thread_local/fast_local.rs create mode 100644 library/std/src/sys/thread_local/fast_local/eager.rs create mode 100644 library/std/src/sys/thread_local/fast_local/lazy.rs create mode 100644 library/std/src/sys/thread_local/fast_local/mod.rs diff --git a/library/std/src/sys/thread_local/fast_local.rs b/library/std/src/sys/thread_local/fast_local.rs deleted file mode 100644 index 49b51a729e42..000000000000 --- a/library/std/src/sys/thread_local/fast_local.rs +++ /dev/null @@ -1,247 +0,0 @@ -use super::lazy::LazyKeyInner; -use crate::cell::Cell; -use crate::sys::thread_local_dtor::register_dtor; -use crate::{fmt, mem, panic, ptr}; - -#[doc(hidden)] -#[allow_internal_unstable(thread_local_internals, cfg_target_thread_local, thread_local)] -#[allow_internal_unsafe] -#[unstable(feature = "thread_local_internals", issue = "none")] -#[rustc_macro_transparency = "semitransparent"] -pub macro thread_local_inner { - // used to generate the `LocalKey` value for const-initialized thread locals - (@key $t:ty, const $init:expr) => {{ - #[inline] - #[deny(unsafe_op_in_unsafe_fn)] - unsafe fn __getit( - _init: $crate::option::Option<&mut $crate::option::Option<$t>>, - ) -> $crate::option::Option<&'static $t> { - const INIT_EXPR: $t = $init; - // If the platform has support for `#[thread_local]`, use it. - #[thread_local] - // We use `UnsafeCell` here instead of `static mut` to ensure any generated TLS shims - // have a nonnull attribute on their return value. - static VAL: $crate::cell::UnsafeCell<$t> = $crate::cell::UnsafeCell::new(INIT_EXPR); - - // If a dtor isn't needed we can do something "very raw" and - // just get going. - if !$crate::mem::needs_drop::<$t>() { - unsafe { - return $crate::option::Option::Some(&*VAL.get()) - } - } - - // 0 == dtor not registered - // 1 == dtor registered, dtor not run - // 2 == dtor registered and is running or has run - #[thread_local] - static STATE: $crate::cell::Cell<$crate::primitive::u8> = $crate::cell::Cell::new(0); - - // Safety: Performs `drop_in_place(ptr as *mut $t)`, and requires - // all that comes with it. - unsafe extern "C" fn destroy(ptr: *mut $crate::primitive::u8) { - $crate::thread::local_impl::abort_on_dtor_unwind(|| { - let old_state = STATE.replace(2); - $crate::debug_assert_eq!(old_state, 1); - // Safety: safety requirement is passed on to caller. - unsafe { $crate::ptr::drop_in_place(ptr.cast::<$t>()); } - }); - } - - unsafe { - match STATE.get() { - // 0 == we haven't registered a destructor, so do - // so now. - 0 => { - $crate::thread::local_impl::Key::<$t>::register_dtor( - VAL.get() as *mut $crate::primitive::u8, - destroy, - ); - STATE.set(1); - $crate::option::Option::Some(&*VAL.get()) - } - // 1 == the destructor is registered and the value - // is valid, so return the pointer. - 1 => $crate::option::Option::Some(&*VAL.get()), - // otherwise the destructor has already run, so we - // can't give access. - _ => $crate::option::Option::None, - } - } - } - - unsafe { - $crate::thread::LocalKey::new(__getit) - } - }}, - - // used to generate the `LocalKey` value for `thread_local!` - (@key $t:ty, $init:expr) => { - { - #[inline] - fn __init() -> $t { $init } - - #[inline] - unsafe fn __getit( - init: $crate::option::Option<&mut $crate::option::Option<$t>>, - ) -> $crate::option::Option<&'static $t> { - #[thread_local] - static __KEY: $crate::thread::local_impl::Key<$t> = - $crate::thread::local_impl::Key::<$t>::new(); - - unsafe { - __KEY.get(move || { - if let $crate::option::Option::Some(init) = init { - if let $crate::option::Option::Some(value) = init.take() { - return value; - } - if $crate::cfg!(debug_assertions) { - $crate::unreachable!("missing default value"); - } - } - __init() - }) - } - } - - unsafe { - $crate::thread::LocalKey::new(__getit) - } - } - }, - ($(#[$attr:meta])* $vis:vis $name:ident, $t:ty, $($init:tt)*) => { - $(#[$attr])* $vis const $name: $crate::thread::LocalKey<$t> = - $crate::thread::local_impl::thread_local_inner!(@key $t, $($init)*); - }, -} - -#[derive(Copy, Clone)] -enum DtorState { - Unregistered, - Registered, - RunningOrHasRun, -} - -// This data structure has been carefully constructed so that the fast path -// only contains one branch on x86. That optimization is necessary to avoid -// duplicated tls lookups on OSX. -// -// LLVM issue: https://bugs.llvm.org/show_bug.cgi?id=41722 -pub struct Key { - // If `LazyKeyInner::get` returns `None`, that indicates either: - // * The value has never been initialized - // * The value is being recursively initialized - // * The value has already been destroyed or is being destroyed - // To determine which kind of `None`, check `dtor_state`. - // - // This is very optimizer friendly for the fast path - initialized but - // not yet dropped. - inner: LazyKeyInner, - - // Metadata to keep track of the state of the destructor. Remember that - // this variable is thread-local, not global. - dtor_state: Cell, -} - -impl fmt::Debug for Key { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.debug_struct("Key").finish_non_exhaustive() - } -} -impl Key { - pub const fn new() -> Key { - Key { inner: LazyKeyInner::new(), dtor_state: Cell::new(DtorState::Unregistered) } - } - - // note that this is just a publicly-callable function only for the - // const-initialized form of thread locals, basically a way to call the - // free `register_dtor` function defined elsewhere in std. - pub unsafe fn register_dtor(a: *mut u8, dtor: unsafe extern "C" fn(*mut u8)) { - unsafe { - register_dtor(a, dtor); - } - } - - pub unsafe fn get T>(&self, init: F) -> Option<&'static T> { - // SAFETY: See the definitions of `LazyKeyInner::get` and - // `try_initialize` for more information. - // - // The caller must ensure no mutable references are ever active to - // the inner cell or the inner T when this is called. - // The `try_initialize` is dependant on the passed `init` function - // for this. - unsafe { - match self.inner.get() { - Some(val) => Some(val), - None => self.try_initialize(init), - } - } - } - - // `try_initialize` is only called once per fast thread local variable, - // except in corner cases where thread_local dtors reference other - // thread_local's, or it is being recursively initialized. - // - // Macos: Inlining this function can cause two `tlv_get_addr` calls to - // be performed for every call to `Key::get`. - // LLVM issue: https://bugs.llvm.org/show_bug.cgi?id=41722 - #[inline(never)] - unsafe fn try_initialize T>(&self, init: F) -> Option<&'static T> { - // SAFETY: See comment above (this function doc). - if !mem::needs_drop::() || unsafe { self.try_register_dtor() } { - // SAFETY: See comment above (this function doc). - Some(unsafe { self.inner.initialize(init) }) - } else { - None - } - } - - // `try_register_dtor` is only called once per fast thread local - // variable, except in corner cases where thread_local dtors reference - // other thread_local's, or it is being recursively initialized. - unsafe fn try_register_dtor(&self) -> bool { - match self.dtor_state.get() { - DtorState::Unregistered => { - // SAFETY: dtor registration happens before initialization. - // Passing `self` as a pointer while using `destroy_value` - // is safe because the function will build a pointer to a - // Key, which is the type of self and so find the correct - // size. - unsafe { register_dtor(self as *const _ as *mut u8, destroy_value::) }; - self.dtor_state.set(DtorState::Registered); - true - } - DtorState::Registered => { - // recursively initialized - true - } - DtorState::RunningOrHasRun => false, - } - } -} - -unsafe extern "C" fn destroy_value(ptr: *mut u8) { - let ptr = ptr as *mut Key; - - // SAFETY: - // - // The pointer `ptr` has been built just above and comes from - // `try_register_dtor` where it is originally a Key coming from `self`, - // making it non-NUL and of the correct type. - // - // Right before we run the user destructor be sure to set the - // `Option` to `None`, and `dtor_state` to `RunningOrHasRun`. This - // causes future calls to `get` to run `try_initialize_drop` again, - // which will now fail, and return `None`. - // - // Wrap the call in a catch to ensure unwinding is caught in the event - // a panic takes place in a destructor. - if let Err(_) = panic::catch_unwind(panic::AssertUnwindSafe(|| unsafe { - let Key { inner, dtor_state } = &*ptr; - let value = inner.take(); - dtor_state.set(DtorState::RunningOrHasRun); - drop(value); - })) { - rtabort!("thread local panicked on drop"); - } -} diff --git a/library/std/src/sys/thread_local/fast_local/eager.rs b/library/std/src/sys/thread_local/fast_local/eager.rs new file mode 100644 index 000000000000..c2bc580530ba --- /dev/null +++ b/library/std/src/sys/thread_local/fast_local/eager.rs @@ -0,0 +1,82 @@ +use crate::cell::{Cell, UnsafeCell}; +use crate::ptr::{self, drop_in_place}; +use crate::sys::thread_local::abort_on_dtor_unwind; +use crate::sys::thread_local_dtor::register_dtor; + +#[derive(Clone, Copy)] +enum State { + Initial, + Alive, + Destroyed, +} + +#[allow(missing_debug_implementations)] +pub struct Storage { + state: Cell, + val: UnsafeCell, +} + +impl Storage { + pub const fn new(val: T) -> Storage { + Storage { state: Cell::new(State::Initial), val: UnsafeCell::new(val) } + } + + /// Get a reference to the TLS value. If the TLS variable has been destroyed, + /// `None` is returned. + /// + /// # Safety + /// * The `self` reference must remain valid until the TLS destructor has been + /// run. + /// * The returned reference may only be used until thread destruction occurs + /// and may not be used after reentrant initialization has occurred. + /// + // FIXME(#110897): return NonNull instead of lying about the lifetime. + #[inline] + pub unsafe fn get(&self) -> Option<&'static T> { + match self.state.get() { + // SAFETY: as the state is not `Destroyed`, the value cannot have + // been destroyed yet. The reference fulfills the terms outlined + // above. + State::Alive => unsafe { Some(&*self.val.get()) }, + State::Destroyed => None, + State::Initial => unsafe { self.initialize() }, + } + } + + #[cold] + unsafe fn initialize(&self) -> Option<&'static T> { + // Register the destructor + + // SAFETY: + // * the destructor will be called at thread destruction. + // * the caller guarantees that `self` will be valid until that time. + unsafe { + register_dtor(ptr::from_ref(self).cast_mut().cast(), destroy::); + } + self.state.set(State::Alive); + // SAFETY: as the state is not `Destroyed`, the value cannot have + // been destroyed yet. The reference fulfills the terms outlined + // above. + unsafe { Some(&*self.val.get()) } + } +} + +/// Transition an `Alive` TLS variable into the `Destroyed` state, dropping its +/// value. +/// +/// # Safety +/// * Must only be called at thread destruction. +/// * `ptr` must point to an instance of `Storage` with `Alive` state and be +/// valid for accessing that instance. +unsafe extern "C" fn destroy(ptr: *mut u8) { + // Print a nice abort message if a panic occurs. + abort_on_dtor_unwind(|| { + let storage = unsafe { &*(ptr as *const Storage) }; + // Update the state before running the destructor as it may attempt to + // access the variable. + storage.state.set(State::Destroyed); + unsafe { + drop_in_place(storage.val.get()); + } + }) +} diff --git a/library/std/src/sys/thread_local/fast_local/lazy.rs b/library/std/src/sys/thread_local/fast_local/lazy.rs new file mode 100644 index 000000000000..14371768d30c --- /dev/null +++ b/library/std/src/sys/thread_local/fast_local/lazy.rs @@ -0,0 +1,122 @@ +use crate::cell::UnsafeCell; +use crate::hint::unreachable_unchecked; +use crate::mem::forget; +use crate::ptr; +use crate::sys::thread_local::abort_on_dtor_unwind; +use crate::sys::thread_local_dtor::register_dtor; + +pub unsafe trait DestroyedState: Sized { + fn register_dtor(s: &Storage); +} + +unsafe impl DestroyedState for ! { + fn register_dtor(_: &Storage) {} +} + +unsafe impl DestroyedState for () { + fn register_dtor(s: &Storage) { + unsafe { + register_dtor(ptr::from_ref(s).cast_mut().cast(), destroy::); + } + } +} + +enum State { + Initial, + Alive(T), + Destroyed(D), +} + +#[allow(missing_debug_implementations)] +pub struct Storage { + state: UnsafeCell>, +} + +impl Storage +where + D: DestroyedState, +{ + pub const fn new() -> Storage { + Storage { state: UnsafeCell::new(State::Initial) } + } + + /// Get a reference to the TLS value, potentially initializing it with the + /// provided parameters. If the TLS variable has been destroyed, `None` is + /// returned. + /// + /// # Safety + /// * The `self` reference must remain valid until the TLS destructor is run, + /// at which point the returned reference is invalidated. + /// * The returned reference may only be used until thread destruction occurs + /// and may not be used after reentrant initialization has occurred. + /// + // FIXME(#110897): return NonNull instead of lying about the lifetime. + #[inline] + pub unsafe fn get_or_init( + &self, + i: Option<&mut Option>, + f: impl FnOnce() -> T, + ) -> Option<&'static T> { + // SAFETY: + // No mutable reference to the inner value exists outside the calls to + // `replace`. The lifetime of the returned reference fulfills the terms + // outlined above. + let state = unsafe { &*self.state.get() }; + match state { + State::Alive(v) => Some(v), + State::Destroyed(_) => None, + State::Initial => unsafe { self.initialize(i, f) }, + } + } + + #[cold] + unsafe fn initialize( + &self, + i: Option<&mut Option>, + f: impl FnOnce() -> T, + ) -> Option<&'static T> { + // Perform initialization + + let v = i.and_then(Option::take).unwrap_or_else(f); + + // SAFETY: + // If references to the inner value exist, they were created in `f` + // and are invalidated here. The caller promises to never use them + // after this. + let old = unsafe { self.state.get().replace(State::Alive(v)) }; + match old { + // If the variable is not being recursively initialized, register + // the destructor. This might be a noop if the value does not need + // destruction. + State::Initial => D::register_dtor(self), + // Else, drop the old value. This might be changed to a panic. + val => drop(val), + } + + // SAFETY: + // Initialization was completed and the state was set to `Alive`, so the + // reference fulfills the terms outlined above. + unsafe { + let State::Alive(v) = &*self.state.get() else { unreachable_unchecked() }; + Some(v) + } + } +} + +/// Transition an `Alive` TLS variable into the `Destroyed` state, dropping its +/// value. +/// +/// # Safety +/// * Must only be called at thread destruction. +/// * `ptr` must point to an instance of `Storage` and be valid for +/// accessing that instance. +unsafe extern "C" fn destroy(ptr: *mut u8) { + // Print a nice abort message if a panic occurs. + abort_on_dtor_unwind(|| { + let storage = unsafe { &*(ptr as *const Storage) }; + // Update the state before running the destructor as it may attempt to + // access the variable. + let val = unsafe { storage.state.get().replace(State::Destroyed(())) }; + drop(val); + }) +} diff --git a/library/std/src/sys/thread_local/fast_local/mod.rs b/library/std/src/sys/thread_local/fast_local/mod.rs new file mode 100644 index 000000000000..25379071cb7a --- /dev/null +++ b/library/std/src/sys/thread_local/fast_local/mod.rs @@ -0,0 +1,122 @@ +//! Thread local support for platforms with native TLS. +//! +//! To achieve the best performance, we choose from four different types for +//! the TLS variable, depending from the method of initialization used (`const` +//! or lazy) and the drop requirements of the stored type: +//! +//! | | `Drop` | `!Drop` | +//! |--------:|:--------------------:|:-------------------:| +//! | `const` | `EagerStorage` | `T` | +//! | lazy | `LazyStorage` | `LazyStorage` | +//! +//! For `const` initialization and `!Drop` types, we simply use `T` directly, +//! but for other situations, we implement a state machine to handle +//! initialization of the variable and its destructor and destruction. +//! Upon accessing the TLS variable, the current state is compared: +//! +//! 1. If the state is `Initial`, initialize the storage, transition the state +//! to `Alive` and (if applicable) register the destructor, and return a +//! reference to the value. +//! 2. If the state is `Alive`, initialization was previously completed, so +//! return a reference to the value. +//! 3. If the state is `Destroyed`, the destructor has been run already, so +//! return [`None`]. +//! +//! The TLS destructor sets the state to `Destroyed` and drops the current value. +//! +//! To simplify the code, we make `LazyStorage` generic over the destroyed state +//! and use the `!` type (never type) as type parameter for `!Drop` types. This +//! eliminates the `Destroyed` state for these values, which can allow more niche +//! optimizations to occur for the `State` enum. For `Drop` types, `()` is used. + +#![deny(unsafe_op_in_unsafe_fn)] + +mod eager; +mod lazy; + +pub use eager::Storage as EagerStorage; +pub use lazy::Storage as LazyStorage; + +#[doc(hidden)] +#[allow_internal_unstable( + thread_local_internals, + cfg_target_thread_local, + thread_local, + never_type +)] +#[allow_internal_unsafe] +#[unstable(feature = "thread_local_internals", issue = "none")] +#[rustc_macro_transparency = "semitransparent"] +pub macro thread_local_inner { + // used to generate the `LocalKey` value for const-initialized thread locals + (@key $t:ty, const $init:expr) => {{ + const __INIT: $t = $init; + + #[inline] + #[deny(unsafe_op_in_unsafe_fn)] + unsafe fn __getit( + _init: $crate::option::Option<&mut $crate::option::Option<$t>>, + ) -> $crate::option::Option<&'static $t> { + use $crate::thread::local_impl::EagerStorage; + use $crate::mem::needs_drop; + use $crate::ptr::addr_of; + + if needs_drop::<$t>() { + #[thread_local] + static VAL: EagerStorage<$t> = EagerStorage::new(__INIT); + unsafe { + VAL.get() + } + } else { + #[thread_local] + static VAL: $t = __INIT; + unsafe { + $crate::option::Option::Some(&*addr_of!(VAL)) + } + } + } + + unsafe { + $crate::thread::LocalKey::new(__getit) + } + }}, + + // used to generate the `LocalKey` value for `thread_local!` + (@key $t:ty, $init:expr) => {{ + #[inline] + fn __init() -> $t { + $init + } + + #[inline] + #[deny(unsafe_op_in_unsafe_fn)] + unsafe fn __getit( + init: $crate::option::Option<&mut $crate::option::Option<$t>>, + ) -> $crate::option::Option<&'static $t> { + use $crate::thread::local_impl::LazyStorage; + use $crate::mem::needs_drop; + + if needs_drop::<$t>() { + #[thread_local] + static VAL: LazyStorage<$t, ()> = LazyStorage::new(); + unsafe { + VAL.get_or_init(init, __init) + } + } else { + #[thread_local] + static VAL: LazyStorage<$t, !> = LazyStorage::new(); + unsafe { + VAL.get_or_init(init, __init) + } + } + } + + unsafe { + $crate::thread::LocalKey::new(__getit) + } + }}, + ($(#[$attr:meta])* $vis:vis $name:ident, $t:ty, $($init:tt)*) => { + $(#[$attr])* $vis const $name: $crate::thread::LocalKey<$t> = + $crate::thread::local_impl::thread_local_inner!(@key $t, $($init)*); + }, +} diff --git a/library/std/src/sys/thread_local/mod.rs b/library/std/src/sys/thread_local/mod.rs index 7500c95d8b47..6298a5b71cc5 100644 --- a/library/std/src/sys/thread_local/mod.rs +++ b/library/std/src/sys/thread_local/mod.rs @@ -15,7 +15,7 @@ cfg_if::cfg_if! { #[doc(hidden)] mod fast_local; #[doc(hidden)] - pub use fast_local::{Key, thread_local_inner}; + pub use fast_local::{EagerStorage, LazyStorage, thread_local_inner}; } else { #[doc(hidden)] mod os_local; @@ -24,6 +24,9 @@ cfg_if::cfg_if! { } } +// Not used by the fast-local TLS anymore. +// FIXME(#110897): remove this. +#[allow(unused)] mod lazy { use crate::cell::UnsafeCell; use crate::hint; diff --git a/library/std/src/thread/mod.rs b/library/std/src/thread/mod.rs index 78bc9af6c4d5..22215873933d 100644 --- a/library/std/src/thread/mod.rs +++ b/library/std/src/thread/mod.rs @@ -205,7 +205,7 @@ cfg_if::cfg_if! { #[doc(hidden)] #[unstable(feature = "thread_local_internals", issue = "none")] pub mod local_impl { - pub use crate::sys::thread_local::{thread_local_inner, Key, abort_on_dtor_unwind}; + pub use crate::sys::thread_local::*; } } } From 60bf1ab46687a41f92a39d9bddcde5a2a0cd8c15 Mon Sep 17 00:00:00 2001 From: joboet Date: Tue, 12 Mar 2024 14:02:48 +0100 Subject: [PATCH 0460/1716] delete UI tests that only check internal implementation details of thread-locals --- src/tools/tidy/src/issues.txt | 2 -- tests/ui/threads-sendsync/issue-43733-2.rs | 30 ------------------ tests/ui/threads-sendsync/issue-43733.rs | 32 -------------------- tests/ui/threads-sendsync/issue-43733.stderr | 19 ------------ 4 files changed, 83 deletions(-) delete mode 100644 tests/ui/threads-sendsync/issue-43733-2.rs delete mode 100644 tests/ui/threads-sendsync/issue-43733.rs delete mode 100644 tests/ui/threads-sendsync/issue-43733.stderr diff --git a/src/tools/tidy/src/issues.txt b/src/tools/tidy/src/issues.txt index 6b8106bbc214..881b4f84173c 100644 --- a/src/tools/tidy/src/issues.txt +++ b/src/tools/tidy/src/issues.txt @@ -3988,8 +3988,6 @@ ui/test-attrs/issue-52557.rs ui/test-attrs/issue-53675-a-test-called-panic.rs ui/threads-sendsync/issue-24313.rs ui/threads-sendsync/issue-29488.rs -ui/threads-sendsync/issue-43733-2.rs -ui/threads-sendsync/issue-43733.rs ui/threads-sendsync/issue-4446.rs ui/threads-sendsync/issue-4448.rs ui/threads-sendsync/issue-8827.rs diff --git a/tests/ui/threads-sendsync/issue-43733-2.rs b/tests/ui/threads-sendsync/issue-43733-2.rs deleted file mode 100644 index 372ebf2cff97..000000000000 --- a/tests/ui/threads-sendsync/issue-43733-2.rs +++ /dev/null @@ -1,30 +0,0 @@ -//@ needs-threads -//@ dont-check-compiler-stderr -#![feature(cfg_target_thread_local, thread_local_internals)] - -// On platforms *without* `#[thread_local]`, use -// a custom non-`Sync` type to fake the same error. -#[cfg(not(target_thread_local))] -struct Key { - _data: std::cell::UnsafeCell>, - _flag: std::cell::Cell<()>, -} - -#[cfg(not(target_thread_local))] -impl Key { - const fn new() -> Self { - Key { - _data: std::cell::UnsafeCell::new(None), - _flag: std::cell::Cell::new(()), - } - } -} - -#[cfg(target_thread_local)] -use std::thread::local_impl::Key; - -static __KEY: Key<()> = Key::new(); -//~^ ERROR `UnsafeCell>` cannot be shared between threads -//~| ERROR cannot be shared between threads safely [E0277] - -fn main() {} diff --git a/tests/ui/threads-sendsync/issue-43733.rs b/tests/ui/threads-sendsync/issue-43733.rs deleted file mode 100644 index c90f60887cfd..000000000000 --- a/tests/ui/threads-sendsync/issue-43733.rs +++ /dev/null @@ -1,32 +0,0 @@ -//@ needs-threads -#![feature(thread_local)] -#![feature(cfg_target_thread_local, thread_local_internals)] - -use std::cell::RefCell; - -type Foo = std::cell::RefCell; - -#[cfg(target_thread_local)] -#[thread_local] -static __KEY: std::thread::local_impl::Key = std::thread::local_impl::Key::new(); - -#[cfg(not(target_thread_local))] -static __KEY: std::thread::local_impl::Key = std::thread::local_impl::Key::new(); - -fn __getit(_: Option<&mut Option>>) -> std::option::Option<&'static Foo> { - __KEY.get(Default::default) - //~^ ERROR call to unsafe function `Key::::get` is unsafe -} - -static FOO: std::thread::LocalKey = std::thread::LocalKey::new(__getit); -//~^ ERROR call to unsafe function `LocalKey::::new` is unsafe - -fn main() { - FOO.with(|foo| println!("{}", foo.borrow())); - std::thread::spawn(|| { - FOO.with(|foo| *foo.borrow_mut() += "foo"); - }) - .join() - .unwrap(); - FOO.with(|foo| println!("{}", foo.borrow())); -} diff --git a/tests/ui/threads-sendsync/issue-43733.stderr b/tests/ui/threads-sendsync/issue-43733.stderr deleted file mode 100644 index 9b13646a2285..000000000000 --- a/tests/ui/threads-sendsync/issue-43733.stderr +++ /dev/null @@ -1,19 +0,0 @@ -error[E0133]: call to unsafe function `Key::::get` is unsafe and requires unsafe function or block - --> $DIR/issue-43733.rs:17:5 - | -LL | __KEY.get(Default::default) - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function - | - = note: consult the function's documentation for information on how to avoid undefined behavior - -error[E0133]: call to unsafe function `LocalKey::::new` is unsafe and requires unsafe function or block - --> $DIR/issue-43733.rs:21:42 - | -LL | static FOO: std::thread::LocalKey = std::thread::LocalKey::new(__getit); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function - | - = note: consult the function's documentation for information on how to avoid undefined behavior - -error: aborting due to 2 previous errors - -For more information about this error, try `rustc --explain E0133`. From 56c363b43e04803e891f242e78efc0c53230314f Mon Sep 17 00:00:00 2001 From: Strophox Date: Thu, 23 May 2024 14:44:41 +0200 Subject: [PATCH 0461/1716] fix alloc_bytes (always allocate at least 1B) --- src/tools/miri/src/alloc_bytes.rs | 37 +++++++++++++------------------ src/tools/miri/src/lib.rs | 1 - 2 files changed, 15 insertions(+), 23 deletions(-) diff --git a/src/tools/miri/src/alloc_bytes.rs b/src/tools/miri/src/alloc_bytes.rs index 7952abdf9f40..6d35b7997e58 100644 --- a/src/tools/miri/src/alloc_bytes.rs +++ b/src/tools/miri/src/alloc_bytes.rs @@ -13,10 +13,7 @@ pub struct MiriAllocBytes { /// Stored layout information about the allocation. layout: alloc::Layout, /// Pointer to the allocation contents. - /// Invariant: - /// * If `self.layout.size() == 0`, then `self.ptr` is some suitably aligned pointer - /// without provenance (and no actual memory was allocated). - /// * Otherwise, `self.ptr` points to memory allocated with `self.layout`. + /// Invariant: `self.ptr` points to memory allocated with `self.layout`. ptr: *mut u8, } @@ -30,10 +27,8 @@ impl Clone for MiriAllocBytes { impl Drop for MiriAllocBytes { fn drop(&mut self) { - if self.layout.size() != 0 { - // SAFETY: Invariant, `self.ptr` points to memory allocated with `self.layout`. - unsafe { alloc::dealloc(self.ptr, self.layout) } - } + // SAFETY: Invariant, `self.ptr` points to memory allocated with `self.layout`. + unsafe { alloc::dealloc(self.ptr, self.layout) } } } @@ -58,25 +53,23 @@ impl std::ops::DerefMut for MiriAllocBytes { impl MiriAllocBytes { /// This method factors out how a `MiriAllocBytes` object is allocated, /// specifically given an allocation function `alloc_fn`. - /// `alloc_fn` is only used if `size != 0`. - /// Returns `Err(layout)` if the allocation function returns a `ptr` that is `ptr.is_null()`. + /// `alloc_fn` is only used with `size != 0`. + /// Returns `Err(layout)` if the allocation function returns a `ptr` where `ptr.is_null()`. fn alloc_with( size: usize, align: usize, alloc_fn: impl FnOnce(Layout) -> *mut u8, ) -> Result { + // When size is 0 we allocate 1 byte anyway, so addresses don't possibly overlap. + let size = if size == 0 { 1 } else { size }; let layout = Layout::from_size_align(size, align).unwrap(); - let ptr = if size == 0 { - std::ptr::without_provenance_mut(align) + let ptr = alloc_fn(layout); + if ptr.is_null() { + Err(layout) } else { - let ptr = alloc_fn(layout); - if ptr.is_null() { - return Err(layout); - } - ptr - }; - // SAFETY: All `MiriAllocBytes` invariants are fulfilled. - Ok(Self { ptr, layout }) + // SAFETY: All `MiriAllocBytes` invariants are fulfilled. + Ok(Self { ptr, layout }) + } } } @@ -85,7 +78,7 @@ impl AllocBytes for MiriAllocBytes { let slice = slice.into(); let size = slice.len(); let align = align.bytes_usize(); - // SAFETY: `alloc_fn` will only be used if `size != 0`. + // SAFETY: `alloc_fn` will only be used with `size != 0`. let alloc_fn = |layout| unsafe { alloc::alloc(layout) }; let alloc_bytes = MiriAllocBytes::alloc_with(size, align, alloc_fn) .unwrap_or_else(|layout| alloc::handle_alloc_error(layout)); @@ -98,7 +91,7 @@ impl AllocBytes for MiriAllocBytes { fn zeroed(size: Size, align: Align) -> Option { let size = size.bytes_usize(); let align = align.bytes_usize(); - // SAFETY: `alloc_fn` will only be used if `size != 0`. + // SAFETY: `alloc_fn` will only be used with `size != 0`. let alloc_fn = |layout| unsafe { alloc::alloc_zeroed(layout) }; MiriAllocBytes::alloc_with(size, align, alloc_fn).ok() } diff --git a/src/tools/miri/src/lib.rs b/src/tools/miri/src/lib.rs index e4879f2f5315..d23a44c376bc 100644 --- a/src/tools/miri/src/lib.rs +++ b/src/tools/miri/src/lib.rs @@ -13,7 +13,6 @@ #![feature(lint_reasons)] #![feature(trait_upcasting)] #![feature(strict_overflow_ops)] -#![feature(strict_provenance)] // Configure clippy and other lints #![allow( clippy::collapsible_else_if, From 324b66c553085c5e24c00a70e563beddc3beb89f Mon Sep 17 00:00:00 2001 From: Urgau Date: Thu, 23 May 2024 15:20:25 +0200 Subject: [PATCH 0462/1716] Expect any feature cfg in core and std crates --- library/core/Cargo.toml | 4 +++- library/std/Cargo.toml | 5 ++++- 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/library/core/Cargo.toml b/library/core/Cargo.toml index daf2612833dd..0c2642341235 100644 --- a/library/core/Cargo.toml +++ b/library/core/Cargo.toml @@ -46,6 +46,8 @@ check-cfg = [ 'cfg(bootstrap)', 'cfg(no_fp_fmt_parse)', 'cfg(stdarch_intel_sde)', - # This matches `EXTRA_CHECK_CFGS` in `src/bootstrap/src/lib.rs`. + # core use #[path] imports to portable-simd `core_simd` crate + # and to stdarch `core_arch` crate which messes-up with Cargo list + # of declared features, we therefor expect any feature cfg 'cfg(feature, values(any()))', ] diff --git a/library/std/Cargo.toml b/library/std/Cargo.toml index 4b8ee4c13091..4b9e827247e7 100644 --- a/library/std/Cargo.toml +++ b/library/std/Cargo.toml @@ -105,5 +105,8 @@ check-cfg = [ 'cfg(backtrace_in_libstd)', 'cfg(netbsd10)', 'cfg(target_arch, values("xtensa"))', - 'cfg(feature, values("std", "as_crate"))', + # std use #[path] imports to portable-simd `std_float` crate + # and to the `backtrace` crate which messes-up with Cargo list + # of declared features, we therefor expect any feature cfg + 'cfg(feature, values(any()))', ] From 75f3cef756afa4ae5d8b9c9e6b52124701c2285b Mon Sep 17 00:00:00 2001 From: Ben Kimock Date: Fri, 10 Nov 2023 22:51:58 -0500 Subject: [PATCH 0463/1716] panic_nounwind in Arguments::new* instead of recursing --- library/core/src/fmt/mod.rs | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/library/core/src/fmt/mod.rs b/library/core/src/fmt/mod.rs index 9b372eac5245..60a27863413c 100644 --- a/library/core/src/fmt/mod.rs +++ b/library/core/src/fmt/mod.rs @@ -340,7 +340,9 @@ impl<'a> Arguments<'a> { #[rustc_const_unstable(feature = "const_fmt_arguments_new", issue = "none")] pub const fn new_const(pieces: &'a [&'static str]) -> Self { if pieces.len() > 1 { - panic!("invalid args"); + // Since panic!() expands to panic_fmt(format_args!()), using panic! here is both a + // bit silly and also significantly increases the amount of MIR generated by panics. + crate::panicking::panic_nounwind("invalid args"); } Arguments { pieces, fmt: None, args: &[] } } @@ -350,7 +352,8 @@ impl<'a> Arguments<'a> { #[inline] pub fn new_v1(pieces: &'a [&'static str], args: &'a [rt::Argument<'a>]) -> Arguments<'a> { if pieces.len() < args.len() || pieces.len() > args.len() + 1 { - panic!("invalid args"); + // See Arguments::new_const for why we don't use panic!. + crate::panicking::panic_nounwind("invalid args"); } Arguments { pieces, fmt: None, args } } From a59589b1cc7799ac847763ef0395f4d48aabf883 Mon Sep 17 00:00:00 2001 From: Urgau Date: Thu, 23 May 2024 15:30:46 +0200 Subject: [PATCH 0464/1716] Replace fake "restricted-std" Cargo feature by custom cfg --- library/std/build.rs | 3 ++- library/std/src/lib.rs | 4 ++-- src/bootstrap/src/lib.rs | 1 + 3 files changed, 5 insertions(+), 3 deletions(-) diff --git a/library/std/build.rs b/library/std/build.rs index 7a47b52e8e4e..04f6f666875c 100644 --- a/library/std/build.rs +++ b/library/std/build.rs @@ -10,6 +10,7 @@ fn main() { if target_os == "netbsd" && env::var("RUSTC_STD_NETBSD10").is_ok() { println!("cargo:rustc-cfg=netbsd10"); } + println!("cargo:rustc-check-cfg=cfg(restricted_std)"); if target_os == "linux" || target_os == "android" || target_os == "netbsd" @@ -59,7 +60,7 @@ fn main() { // - arch=avr // - JSON targets // - Any new targets that have not been explicitly added above. - println!("cargo:rustc-cfg=feature=\"restricted-std\""); + println!("cargo:rustc-cfg=restricted_std"); } println!("cargo:rustc-env=STD_ENV_ARCH={}", env::var("CARGO_CFG_TARGET_ARCH").unwrap()); println!("cargo:rustc-cfg=backtrace_in_libstd"); diff --git a/library/std/src/lib.rs b/library/std/src/lib.rs index 949c543a2647..4a18db3d5a3f 100644 --- a/library/std/src/lib.rs +++ b/library/std/src/lib.rs @@ -213,9 +213,9 @@ //! [array]: prim@array //! [slice]: prim@slice -#![cfg_attr(not(feature = "restricted-std"), stable(feature = "rust1", since = "1.0.0"))] +#![cfg_attr(not(restricted_std), stable(feature = "rust1", since = "1.0.0"))] #![cfg_attr( - feature = "restricted-std", + restricted_std, unstable( feature = "restricted_std", issue = "none", diff --git a/src/bootstrap/src/lib.rs b/src/bootstrap/src/lib.rs index 38de5e380000..af9fc32c98c4 100644 --- a/src/bootstrap/src/lib.rs +++ b/src/bootstrap/src/lib.rs @@ -94,6 +94,7 @@ const EXTRA_CHECK_CFGS: &[(Option, &str, Option<&[&'static str]>)] = &[ (Some(Mode::Std), "no_sync", None), (Some(Mode::Std), "netbsd10", None), (Some(Mode::Std), "backtrace_in_libstd", None), + (Some(Mode::Std), "restricted_std", None), /* Extra values not defined in the built-in targets yet, but used in std */ (Some(Mode::Std), "target_env", Some(&["libnx", "p2"])), (Some(Mode::Std), "target_os", Some(&["visionos"])), From 1b374dfd9bcb234f44270ebb8f3b957d2e8a7820 Mon Sep 17 00:00:00 2001 From: Strophox Date: Thu, 23 May 2024 16:00:23 +0200 Subject: [PATCH 0465/1716] differentiate between layout and alloc_layout --- src/tools/miri/src/alloc_bytes.rs | 28 ++++++++++++++++++---------- 1 file changed, 18 insertions(+), 10 deletions(-) diff --git a/src/tools/miri/src/alloc_bytes.rs b/src/tools/miri/src/alloc_bytes.rs index 6d35b7997e58..0ae581dacdce 100644 --- a/src/tools/miri/src/alloc_bytes.rs +++ b/src/tools/miri/src/alloc_bytes.rs @@ -13,7 +13,10 @@ pub struct MiriAllocBytes { /// Stored layout information about the allocation. layout: alloc::Layout, /// Pointer to the allocation contents. - /// Invariant: `self.ptr` points to memory allocated with `self.layout`. + /// Invariant: + /// * If `self.layout.size() == 0`, then `self.ptr` is some suitably aligned pointer + /// that was allocated with the same layout but `size == 1`. + /// * Otherwise, `self.ptr` points to memory allocated with `self.layout`. ptr: *mut u8, } @@ -27,8 +30,13 @@ impl Clone for MiriAllocBytes { impl Drop for MiriAllocBytes { fn drop(&mut self) { + let alloc_layout = if self.layout.size() == 0 { + Layout::from_size_align(1, self.layout.align()).unwrap() + } else { + self.layout + }; // SAFETY: Invariant, `self.ptr` points to memory allocated with `self.layout`. - unsafe { alloc::dealloc(self.ptr, self.layout) } + unsafe { alloc::dealloc(self.ptr, alloc_layout) } } } @@ -51,21 +59,21 @@ impl std::ops::DerefMut for MiriAllocBytes { } impl MiriAllocBytes { - /// This method factors out how a `MiriAllocBytes` object is allocated, - /// specifically given an allocation function `alloc_fn`. - /// `alloc_fn` is only used with `size != 0`. - /// Returns `Err(layout)` if the allocation function returns a `ptr` where `ptr.is_null()`. + /// This method factors out how a `MiriAllocBytes` object is allocated, given a specific allocation function. + /// If `size == 0` we allocate using a different `alloc_layout` with `size = 1`, to ensure each allocation has a unique address. + /// Returns `Err(alloc_layout)` if the allocation function returns a `ptr` where `ptr.is_null()`. fn alloc_with( size: usize, align: usize, alloc_fn: impl FnOnce(Layout) -> *mut u8, ) -> Result { - // When size is 0 we allocate 1 byte anyway, so addresses don't possibly overlap. - let size = if size == 0 { 1 } else { size }; let layout = Layout::from_size_align(size, align).unwrap(); - let ptr = alloc_fn(layout); + // When size is 0 we allocate 1 byte anyway, to ensure each allocation has a unique address. + let alloc_layout = + if size == 0 { Layout::from_size_align(1, align).unwrap() } else { layout }; + let ptr = alloc_fn(alloc_layout); if ptr.is_null() { - Err(layout) + Err(alloc_layout) } else { // SAFETY: All `MiriAllocBytes` invariants are fulfilled. Ok(Self { ptr, layout }) From 28689850e52efea0de8e76eb1a9d4aa6de098061 Mon Sep 17 00:00:00 2001 From: Urgau Date: Thu, 23 May 2024 15:41:34 +0200 Subject: [PATCH 0466/1716] Move some expected cfgs to std build.rs as per Cargo recommandation --- library/std/Cargo.toml | 2 -- library/std/build.rs | 8 +++++++- src/bootstrap/src/lib.rs | 3 --- 3 files changed, 7 insertions(+), 6 deletions(-) diff --git a/library/std/Cargo.toml b/library/std/Cargo.toml index 4b9e827247e7..db4aea6a1ea6 100644 --- a/library/std/Cargo.toml +++ b/library/std/Cargo.toml @@ -102,8 +102,6 @@ test = true level = "warn" check-cfg = [ 'cfg(bootstrap)', - 'cfg(backtrace_in_libstd)', - 'cfg(netbsd10)', 'cfg(target_arch, values("xtensa"))', # std use #[path] imports to portable-simd `std_float` crate # and to the `backtrace` crate which messes-up with Cargo list diff --git a/library/std/build.rs b/library/std/build.rs index 04f6f666875c..7d975df545ec 100644 --- a/library/std/build.rs +++ b/library/std/build.rs @@ -7,9 +7,12 @@ fn main() { let target_vendor = env::var("CARGO_CFG_TARGET_VENDOR").expect("CARGO_CFG_TARGET_VENDOR was not set"); let target_env = env::var("CARGO_CFG_TARGET_ENV").expect("CARGO_CFG_TARGET_ENV was not set"); + + println!("cargo:rustc-check-cfg=cfg(netbsd10)"); if target_os == "netbsd" && env::var("RUSTC_STD_NETBSD10").is_ok() { println!("cargo:rustc-cfg=netbsd10"); } + println!("cargo:rustc-check-cfg=cfg(restricted_std)"); if target_os == "linux" || target_os == "android" @@ -62,6 +65,9 @@ fn main() { // - Any new targets that have not been explicitly added above. println!("cargo:rustc-cfg=restricted_std"); } - println!("cargo:rustc-env=STD_ENV_ARCH={}", env::var("CARGO_CFG_TARGET_ARCH").unwrap()); + + println!("cargo:rustc-check-cfg=cfg(backtrace_in_libstd)"); println!("cargo:rustc-cfg=backtrace_in_libstd"); + + println!("cargo:rustc-env=STD_ENV_ARCH={}", env::var("CARGO_CFG_TARGET_ARCH").unwrap()); } diff --git a/src/bootstrap/src/lib.rs b/src/bootstrap/src/lib.rs index af9fc32c98c4..52c94465cd33 100644 --- a/src/bootstrap/src/lib.rs +++ b/src/bootstrap/src/lib.rs @@ -92,9 +92,6 @@ const EXTRA_CHECK_CFGS: &[(Option, &str, Option<&[&'static str]>)] = &[ (Some(Mode::Std), "no_global_oom_handling", None), (Some(Mode::Std), "no_rc", None), (Some(Mode::Std), "no_sync", None), - (Some(Mode::Std), "netbsd10", None), - (Some(Mode::Std), "backtrace_in_libstd", None), - (Some(Mode::Std), "restricted_std", None), /* Extra values not defined in the built-in targets yet, but used in std */ (Some(Mode::Std), "target_env", Some(&["libnx", "p2"])), (Some(Mode::Std), "target_os", Some(&["visionos"])), From 45ad60d05ad904e1a3de1089480a614fcd4e90dd Mon Sep 17 00:00:00 2001 From: Urgau Date: Thu, 23 May 2024 15:53:28 +0200 Subject: [PATCH 0467/1716] Copy core/alloc check-cfg message also in std --- library/std/Cargo.toml | 3 +++ 1 file changed, 3 insertions(+) diff --git a/library/std/Cargo.toml b/library/std/Cargo.toml index db4aea6a1ea6..e56f03808b31 100644 --- a/library/std/Cargo.toml +++ b/library/std/Cargo.toml @@ -100,6 +100,9 @@ test = true [lints.rust.unexpected_cfgs] level = "warn" +# x.py uses beta cargo, so `check-cfg` entries do not yet take effect +# for rust-lang/rust. But for users of `-Zbuild-std` it does. +# The unused warning is waiting for rust-lang/cargo#13925 to reach beta. check-cfg = [ 'cfg(bootstrap)', 'cfg(target_arch, values("xtensa"))', From 6743fc7704d28a0be61643b1cada2fd31be132b5 Mon Sep 17 00:00:00 2001 From: Mohammad Omidvar Date: Thu, 23 May 2024 15:35:18 +0000 Subject: [PATCH 0468/1716] Add conversion from IntrinsicDef to FnDef --- compiler/stable_mir/src/ty.rs | 6 ++++++ tests/ui-fulldeps/stable-mir/check_intrinsics.rs | 16 ++++++++++------ 2 files changed, 16 insertions(+), 6 deletions(-) diff --git a/compiler/stable_mir/src/ty.rs b/compiler/stable_mir/src/ty.rs index ab4deac9fd72..ebfc6e026ebc 100644 --- a/compiler/stable_mir/src/ty.rs +++ b/compiler/stable_mir/src/ty.rs @@ -653,6 +653,12 @@ impl IntrinsicDef { } } +impl From for FnDef { + fn from(def: IntrinsicDef) -> Self { + FnDef(def.0) + } +} + crate_def! { pub ClosureDef; } diff --git a/tests/ui-fulldeps/stable-mir/check_intrinsics.rs b/tests/ui-fulldeps/stable-mir/check_intrinsics.rs index a9c1f64f812d..7e247ce0c75d 100644 --- a/tests/ui-fulldeps/stable-mir/check_intrinsics.rs +++ b/tests/ui-fulldeps/stable-mir/check_intrinsics.rs @@ -24,11 +24,11 @@ use rustc_smir::rustc_internal; use stable_mir::mir::mono::{Instance, InstanceKind}; use stable_mir::mir::visit::{Location, MirVisitor}; use stable_mir::mir::{LocalDecl, Terminator, TerminatorKind}; -use stable_mir::ty::{FnDef, GenericArgs, IntrinsicDef, RigidTy, TyKind}; +use stable_mir::ty::{FnDef, GenericArgs, RigidTy, TyKind}; +use std::assert_matches::assert_matches; use std::convert::TryFrom; use std::io::Write; use std::ops::ControlFlow; -use std::assert_matches::assert_matches; /// This function tests that we can correctly get type information from binary operations. fn test_intrinsics() -> ControlFlow<()> { @@ -41,9 +41,9 @@ fn test_intrinsics() -> ControlFlow<()> { let calls = visitor.calls; assert_eq!(calls.len(), 3, "Expected 3 calls, but found: {calls:?}"); - for (fn_def, args) in &calls { - check_instance(&Instance::resolve(*fn_def, &args).unwrap()); - check_def(fn_def.as_intrinsic().unwrap()); + for (fn_def, args) in calls.into_iter() { + check_instance(&Instance::resolve(fn_def, &args).unwrap()); + check_def(fn_def); } ControlFlow::Continue(()) @@ -68,7 +68,11 @@ fn check_instance(instance: &Instance) { } } -fn check_def(intrinsic: IntrinsicDef) { +fn check_def(fn_def: FnDef) { + assert!(fn_def.is_intrinsic()); + let intrinsic = fn_def.as_intrinsic().unwrap(); + assert_eq!(fn_def, intrinsic.into()); + let name = intrinsic.fn_name(); match name.as_str() { "likely" | "size_of_val" => { From fab28f2a4d0bd394546cc37417c7b8aa4ecc1a21 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?R=C3=A9my=20Rakic?= Date: Sat, 18 May 2024 22:58:25 +0000 Subject: [PATCH 0469/1716] rust-lld: fallback to the default default sysroot where rustc is currently located --- compiler/rustc_codegen_ssa/src/back/link.rs | 10 ++++++++- compiler/rustc_session/src/session.rs | 25 ++++++++++++++------- 2 files changed, 26 insertions(+), 9 deletions(-) diff --git a/compiler/rustc_codegen_ssa/src/back/link.rs b/compiler/rustc_codegen_ssa/src/back/link.rs index 6939674ce9dd..874732ee9ef5 100644 --- a/compiler/rustc_codegen_ssa/src/back/link.rs +++ b/compiler/rustc_codegen_ssa/src/back/link.rs @@ -3116,13 +3116,21 @@ fn add_lld_args( let self_contained_linker = self_contained_cli || self_contained_target; if self_contained_linker && !sess.opts.cg.link_self_contained.is_linker_disabled() { + let mut linker_path_exists = false; for path in sess.get_tools_search_paths(false) { + let linker_path = path.join("gcc-ld"); + linker_path_exists |= linker_path.exists(); cmd.arg({ let mut arg = OsString::from("-B"); - arg.push(path.join("gcc-ld")); + arg.push(linker_path); arg }); } + if !linker_path_exists { + // As an additional sanity check, we do nothing if the sysroot doesn't contain the + // linker path at all. + return; + } } // 2. Implement the "linker flavor" part of this feature by asking `cc` to use some kind of diff --git a/compiler/rustc_session/src/session.rs b/compiler/rustc_session/src/session.rs index db01bb90d6fa..05284c5ed40e 100644 --- a/compiler/rustc_session/src/session.rs +++ b/compiler/rustc_session/src/session.rs @@ -449,15 +449,24 @@ impl Session { ) } - /// Returns a list of directories where target-specific tool binaries are located. + /// Returns a list of directories where target-specific tool binaries are located. Some fallback + /// directories are also returned, for example if `--sysroot` is used but tools are missing + /// (#125246): we also add the bin directories to the sysroot where rustc is located. pub fn get_tools_search_paths(&self, self_contained: bool) -> Vec { - let rustlib_path = rustc_target::target_rustlib_path(&self.sysroot, config::host_triple()); - let p = PathBuf::from_iter([ - Path::new(&self.sysroot), - Path::new(&rustlib_path), - Path::new("bin"), - ]); - if self_contained { vec![p.clone(), p.join("self-contained")] } else { vec![p] } + let bin_path = filesearch::make_target_bin_path(&self.sysroot, config::host_triple()); + let fallback_sysroot_paths = filesearch::sysroot_candidates() + .into_iter() + .map(|sysroot| filesearch::make_target_bin_path(&sysroot, config::host_triple())); + let search_paths = std::iter::once(bin_path).chain(fallback_sysroot_paths); + + if self_contained { + // The self-contained tools are expected to be e.g. in `bin/self-contained` in the + // sysroot's `rustlib` path, so we add such a subfolder to the bin path, and the + // fallback paths. + search_paths.flat_map(|path| [path.clone(), path.join("self-contained")]).collect() + } else { + search_paths.collect() + } } pub fn init_incr_comp_session(&self, session_dir: PathBuf, lock_file: flock::Lock) { From d64a8bd1e55bd4be1e506792eabd812716d31765 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?R=C3=A9my=20Rakic?= Date: Tue, 21 May 2024 18:17:05 +0000 Subject: [PATCH 0470/1716] emit an error if we can't find a path to the self-contained linker --- compiler/rustc_codegen_ssa/messages.ftl | 2 ++ compiler/rustc_codegen_ssa/src/back/link.rs | 6 +++--- compiler/rustc_codegen_ssa/src/errors.rs | 4 ++++ 3 files changed, 9 insertions(+), 3 deletions(-) diff --git a/compiler/rustc_codegen_ssa/messages.ftl b/compiler/rustc_codegen_ssa/messages.ftl index d159fe58d3ee..1a851ad04a1f 100644 --- a/compiler/rustc_codegen_ssa/messages.ftl +++ b/compiler/rustc_codegen_ssa/messages.ftl @@ -212,6 +212,8 @@ codegen_ssa_rlib_only_rmeta_found = could not find rlib for: `{$crate_name}`, fo codegen_ssa_select_cpp_build_tool_workload = in the Visual Studio installer, ensure the "C++ build tools" workload is selected +codegen_ssa_self_contained_linker_missing = the self-contained linker was requested, but it wasn't found in the target's sysroot, or in rustc's sysroot + codegen_ssa_shuffle_indices_evaluation = could not evaluate shuffle_indices at compile time codegen_ssa_specify_libraries_to_link = use the `-l` flag to specify native libraries to link diff --git a/compiler/rustc_codegen_ssa/src/back/link.rs b/compiler/rustc_codegen_ssa/src/back/link.rs index 874732ee9ef5..9d19ee77d3db 100644 --- a/compiler/rustc_codegen_ssa/src/back/link.rs +++ b/compiler/rustc_codegen_ssa/src/back/link.rs @@ -3127,9 +3127,9 @@ fn add_lld_args( }); } if !linker_path_exists { - // As an additional sanity check, we do nothing if the sysroot doesn't contain the - // linker path at all. - return; + // As a sanity check, we emit an error if none of these paths exist: we want + // self-contained linking and have no linker. + sess.dcx().emit_fatal(errors::SelfContainedLinkerMissing); } } diff --git a/compiler/rustc_codegen_ssa/src/errors.rs b/compiler/rustc_codegen_ssa/src/errors.rs index ed6a0c244106..3641e7842cfb 100644 --- a/compiler/rustc_codegen_ssa/src/errors.rs +++ b/compiler/rustc_codegen_ssa/src/errors.rs @@ -413,6 +413,10 @@ pub struct UnableToExeLinker { #[diag(codegen_ssa_msvc_missing_linker)] pub struct MsvcMissingLinker; +#[derive(Diagnostic)] +#[diag(codegen_ssa_self_contained_linker_missing)] +pub struct SelfContainedLinkerMissing; + #[derive(Diagnostic)] #[diag(codegen_ssa_check_installed_visual_studio)] pub struct CheckInstalledVisualStudio; From dc8d1bc3733bf922a11197649b9a41360a3aacd3 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Thu, 23 May 2024 15:46:56 +0000 Subject: [PATCH 0471/1716] Add more tests --- tests/ui/impl-trait/unsize_adt.rs | 14 ++++++++ tests/ui/impl-trait/unsize_adt.stderr | 17 ++++++++++ tests/ui/impl-trait/unsize_slice.rs | 12 +++++++ tests/ui/impl-trait/unsize_slice.stderr | 17 ++++++++++ tests/ui/impl-trait/unsize_tuple.rs | 14 ++++++++ tests/ui/impl-trait/unsize_tuple.stderr | 17 ++++++++++ .../illegal-upcast-to-impl-opaque.rs | 28 ++++++++++++++++ .../trait-upcasting/type-checking-test-4.rs | 4 +++ .../type-checking-test-4.stderr | 12 +++---- .../type-checking-test-opaques.rs | 21 ++++++++++++ .../type-checking-test-opaques.stderr | 9 ++++++ .../constrain_in_projection.current.stderr | 11 +++++++ .../constrain_in_projection.rs | 28 ++++++++++++++++ .../constrain_in_projection2.current.stderr | 13 ++++++++ .../constrain_in_projection2.next.stderr | 19 +++++++++++ .../constrain_in_projection2.rs | 32 +++++++++++++++++++ 16 files changed, 262 insertions(+), 6 deletions(-) create mode 100644 tests/ui/impl-trait/unsize_adt.rs create mode 100644 tests/ui/impl-trait/unsize_adt.stderr create mode 100644 tests/ui/impl-trait/unsize_slice.rs create mode 100644 tests/ui/impl-trait/unsize_slice.stderr create mode 100644 tests/ui/impl-trait/unsize_tuple.rs create mode 100644 tests/ui/impl-trait/unsize_tuple.stderr create mode 100644 tests/ui/traits/trait-upcasting/illegal-upcast-to-impl-opaque.rs create mode 100644 tests/ui/traits/trait-upcasting/type-checking-test-opaques.rs create mode 100644 tests/ui/traits/trait-upcasting/type-checking-test-opaques.stderr create mode 100644 tests/ui/type-alias-impl-trait/constrain_in_projection.current.stderr create mode 100644 tests/ui/type-alias-impl-trait/constrain_in_projection.rs create mode 100644 tests/ui/type-alias-impl-trait/constrain_in_projection2.current.stderr create mode 100644 tests/ui/type-alias-impl-trait/constrain_in_projection2.next.stderr create mode 100644 tests/ui/type-alias-impl-trait/constrain_in_projection2.rs diff --git a/tests/ui/impl-trait/unsize_adt.rs b/tests/ui/impl-trait/unsize_adt.rs new file mode 100644 index 000000000000..fce5094bd404 --- /dev/null +++ b/tests/ui/impl-trait/unsize_adt.rs @@ -0,0 +1,14 @@ +//! Test that we do not allow unsizing `Foo<[Opaque; N]>` to `Foo<[Concrete]>`. + +struct Foo(T); + +fn hello() -> Foo<[impl Sized; 2]> { + if false { + let x = hello(); + let _: &Foo<[i32]> = &x; + //~^ ERROR: mismatched types + } + todo!() +} + +fn main() {} diff --git a/tests/ui/impl-trait/unsize_adt.stderr b/tests/ui/impl-trait/unsize_adt.stderr new file mode 100644 index 000000000000..2b93b4a571b1 --- /dev/null +++ b/tests/ui/impl-trait/unsize_adt.stderr @@ -0,0 +1,17 @@ +error[E0308]: mismatched types + --> $DIR/unsize_adt.rs:8:30 + | +LL | fn hello() -> Foo<[impl Sized; 2]> { + | ---------- the found opaque type +... +LL | let _: &Foo<[i32]> = &x; + | ----------- ^^ expected `&Foo<[i32]>`, found `&Foo<[impl Sized; 2]>` + | | + | expected due to this + | + = note: expected reference `&Foo<[i32]>` + found reference `&Foo<[impl Sized; 2]>` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/impl-trait/unsize_slice.rs b/tests/ui/impl-trait/unsize_slice.rs new file mode 100644 index 000000000000..ec0f16265640 --- /dev/null +++ b/tests/ui/impl-trait/unsize_slice.rs @@ -0,0 +1,12 @@ +//! Test that we do not allow unsizing `[Opaque; N]` to `[Concrete]`. + +fn hello() -> [impl Sized; 2] { + if false { + let x = hello(); + let _: &[i32] = &x; + //~^ ERROR: mismatched types + } + todo!() +} + +fn main() {} diff --git a/tests/ui/impl-trait/unsize_slice.stderr b/tests/ui/impl-trait/unsize_slice.stderr new file mode 100644 index 000000000000..6a7fdb46163b --- /dev/null +++ b/tests/ui/impl-trait/unsize_slice.stderr @@ -0,0 +1,17 @@ +error[E0308]: mismatched types + --> $DIR/unsize_slice.rs:6:25 + | +LL | fn hello() -> [impl Sized; 2] { + | ---------- the found opaque type +... +LL | let _: &[i32] = &x; + | ------ ^^ expected `&[i32]`, found `&[impl Sized; 2]` + | | + | expected due to this + | + = note: expected reference `&[i32]` + found reference `&[impl Sized; 2]` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/impl-trait/unsize_tuple.rs b/tests/ui/impl-trait/unsize_tuple.rs new file mode 100644 index 000000000000..630b8fd430f1 --- /dev/null +++ b/tests/ui/impl-trait/unsize_tuple.rs @@ -0,0 +1,14 @@ +//! Test that we do not allow unsizing `([Opaque; N],)` to `([Concrete],)`. + +#![feature(unsized_tuple_coercion)] + +fn hello() -> ([impl Sized; 2],) { + if false { + let x = hello(); + let _: &([i32],) = &x; + //~^ ERROR: mismatched types + } + todo!() +} + +fn main() {} diff --git a/tests/ui/impl-trait/unsize_tuple.stderr b/tests/ui/impl-trait/unsize_tuple.stderr new file mode 100644 index 000000000000..8d3cf15887c0 --- /dev/null +++ b/tests/ui/impl-trait/unsize_tuple.stderr @@ -0,0 +1,17 @@ +error[E0308]: mismatched types + --> $DIR/unsize_tuple.rs:8:28 + | +LL | fn hello() -> ([impl Sized; 2],) { + | ---------- the found opaque type +... +LL | let _: &([i32],) = &x; + | --------- ^^ expected `&([i32],)`, found `&([impl Sized; 2],)` + | | + | expected due to this + | + = note: expected reference `&([i32],)` + found reference `&([impl Sized; 2],)` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/traits/trait-upcasting/illegal-upcast-to-impl-opaque.rs b/tests/ui/traits/trait-upcasting/illegal-upcast-to-impl-opaque.rs new file mode 100644 index 000000000000..5820e49a4e52 --- /dev/null +++ b/tests/ui/traits/trait-upcasting/illegal-upcast-to-impl-opaque.rs @@ -0,0 +1,28 @@ +//@ revisions: current next +//@[next] compile-flags: -Znext-solver +//@[next] failure-status: 101 +//@[next] known-bug: unknown +//@[next] normalize-stderr-test "note: .*\n\n" -> "" +//@[next] normalize-stderr-test "thread 'rustc' panicked.*\n.*\n" -> "" +//@[next] normalize-stderr-test "(error: internal compiler error: [^:]+):\d+:\d+: " -> "$1:LL:CC: " +//@[next] normalize-stderr-test "delayed at .*" -> "" +//@[next] rustc-env:RUST_BACKTRACE=0 +//@ check-pass + +#![feature(trait_upcasting)] + +trait Super { + type Assoc; +} + +trait Sub: Super {} + +impl Super for T { + type Assoc = i32; +} + +fn illegal(x: &dyn Sub) -> &dyn Super { + x +} + +fn main() {} diff --git a/tests/ui/traits/trait-upcasting/type-checking-test-4.rs b/tests/ui/traits/trait-upcasting/type-checking-test-4.rs index f40c48f0d125..01759ec7a93c 100644 --- a/tests/ui/traits/trait-upcasting/type-checking-test-4.rs +++ b/tests/ui/traits/trait-upcasting/type-checking-test-4.rs @@ -11,6 +11,10 @@ fn test_correct(x: &dyn Foo<'static>) { let _ = x as &dyn Bar<'static, 'static>; } +fn test_correct2<'a>(x: &dyn Foo<'a>) { + let _ = x as &dyn Bar<'_, '_>; +} + fn test_wrong1<'a>(x: &dyn Foo<'static>, y: &'a u32) { let _ = x as &dyn Bar<'static, 'a>; // Error //~^ ERROR lifetime may not live long enough diff --git a/tests/ui/traits/trait-upcasting/type-checking-test-4.stderr b/tests/ui/traits/trait-upcasting/type-checking-test-4.stderr index 8d506e5807ec..ccced5875778 100644 --- a/tests/ui/traits/trait-upcasting/type-checking-test-4.stderr +++ b/tests/ui/traits/trait-upcasting/type-checking-test-4.stderr @@ -1,5 +1,5 @@ error: lifetime may not live long enough - --> $DIR/type-checking-test-4.rs:15:13 + --> $DIR/type-checking-test-4.rs:19:13 | LL | fn test_wrong1<'a>(x: &dyn Foo<'static>, y: &'a u32) { | -- lifetime `'a` defined here @@ -7,7 +7,7 @@ LL | let _ = x as &dyn Bar<'static, 'a>; // Error | ^^^^^^^^^^^^^^^^^^^^^^^^^^ type annotation requires that `'a` must outlive `'static` error: lifetime may not live long enough - --> $DIR/type-checking-test-4.rs:20:13 + --> $DIR/type-checking-test-4.rs:24:13 | LL | fn test_wrong2<'a>(x: &dyn Foo<'static>, y: &'a u32) { | -- lifetime `'a` defined here @@ -15,7 +15,7 @@ LL | let _ = x as &dyn Bar<'a, 'static>; // Error | ^^^^^^^^^^^^^^^^^^^^^^^^^^ type annotation requires that `'a` must outlive `'static` error: lifetime may not live long enough - --> $DIR/type-checking-test-4.rs:26:5 + --> $DIR/type-checking-test-4.rs:30:5 | LL | fn test_wrong3<'a>(x: &dyn Foo<'a>) -> Option<&'static u32> { | -- lifetime `'a` defined here @@ -24,7 +24,7 @@ LL | y.get_b() // ERROR | ^^^^^^^^^ returning this value requires that `'a` must outlive `'static` error: lifetime may not live long enough - --> $DIR/type-checking-test-4.rs:31:5 + --> $DIR/type-checking-test-4.rs:35:5 | LL | fn test_wrong4<'a>(x: &dyn Foo<'a>) -> Option<&'static u32> { | -- lifetime `'a` defined here @@ -32,7 +32,7 @@ LL | <_ as Bar>::get_b(x) // ERROR | ^^^^^^^^^^^^^^^^^^^^ returning this value requires that `'a` must outlive `'static` error: lifetime may not live long enough - --> $DIR/type-checking-test-4.rs:36:5 + --> $DIR/type-checking-test-4.rs:40:5 | LL | fn test_wrong5<'a>(x: &dyn Foo<'a>) -> Option<&'static u32> { | -- lifetime `'a` defined here @@ -40,7 +40,7 @@ LL | <_ as Bar<'_, '_>>::get_b(x) // ERROR | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ returning this value requires that `'a` must outlive `'static` error: lifetime may not live long enough - --> $DIR/type-checking-test-4.rs:44:5 + --> $DIR/type-checking-test-4.rs:48:5 | LL | fn test_wrong6<'a>(x: &dyn Foo<'a>) -> Option<&'static u32> { | -- lifetime `'a` defined here diff --git a/tests/ui/traits/trait-upcasting/type-checking-test-opaques.rs b/tests/ui/traits/trait-upcasting/type-checking-test-opaques.rs new file mode 100644 index 000000000000..edad62fa4dbc --- /dev/null +++ b/tests/ui/traits/trait-upcasting/type-checking-test-opaques.rs @@ -0,0 +1,21 @@ +#![feature(trait_upcasting, type_alias_impl_trait)] + +type Tait = impl Sized; + +trait Foo<'a>: Bar<'a, 'a, Tait> {} +trait Bar<'a, 'b, T> {} + +fn test_correct(x: &dyn Foo<'static>) { + let _ = x as &dyn Bar<'static, 'static, Tait>; +} + +fn test_correct2<'a>(x: &dyn Foo<'a>) { + let _ = x as &dyn Bar<'_, '_, Tait>; +} + +fn test_correct3<'a>(x: &dyn Foo<'a>, _: Tait) { + let _ = x as &dyn Bar<'_, '_, ()>; + //~^ ERROR: non-primitive cast +} + +fn main() {} diff --git a/tests/ui/traits/trait-upcasting/type-checking-test-opaques.stderr b/tests/ui/traits/trait-upcasting/type-checking-test-opaques.stderr new file mode 100644 index 000000000000..b2982f581ea0 --- /dev/null +++ b/tests/ui/traits/trait-upcasting/type-checking-test-opaques.stderr @@ -0,0 +1,9 @@ +error[E0605]: non-primitive cast: `&dyn Foo<'a>` as `&dyn Bar<'_, '_, ()>` + --> $DIR/type-checking-test-opaques.rs:17:13 + | +LL | let _ = x as &dyn Bar<'_, '_, ()>; + | ^^^^^^^^^^^^^^^^^^^^^^^^^ an `as` expression can only be used to convert between primitive types or to coerce to a specific trait object + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0605`. diff --git a/tests/ui/type-alias-impl-trait/constrain_in_projection.current.stderr b/tests/ui/type-alias-impl-trait/constrain_in_projection.current.stderr new file mode 100644 index 000000000000..c215d197db43 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/constrain_in_projection.current.stderr @@ -0,0 +1,11 @@ +error[E0277]: the trait bound `Foo: Trait` is not satisfied + --> $DIR/constrain_in_projection.rs:24:14 + | +LL | let x = >::Assoc::default(); + | ^^^ the trait `Trait` is not implemented for `Foo` + | + = help: the trait `Trait<()>` is implemented for `Foo` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/type-alias-impl-trait/constrain_in_projection.rs b/tests/ui/type-alias-impl-trait/constrain_in_projection.rs new file mode 100644 index 000000000000..7d7d16361ae6 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/constrain_in_projection.rs @@ -0,0 +1,28 @@ +//! Check that projections will constrain opaque types while looking for +//! matching impls. + +//@ revisions: current next +//@ ignore-compare-mode-next-solver (explicit revisions) +//@[next] compile-flags: -Znext-solver +//@[next]check-pass + +#![feature(type_alias_impl_trait)] + +struct Foo; + +type Bar = impl Sized; + +trait Trait { + type Assoc: Default; +} + +impl Trait<()> for Foo { + type Assoc = u32; +} + +fn bop(_: Bar) { + let x = >::Assoc::default(); + //[current]~^ `Foo: Trait` is not satisfied +} + +fn main() {} diff --git a/tests/ui/type-alias-impl-trait/constrain_in_projection2.current.stderr b/tests/ui/type-alias-impl-trait/constrain_in_projection2.current.stderr new file mode 100644 index 000000000000..69df5c77f9de --- /dev/null +++ b/tests/ui/type-alias-impl-trait/constrain_in_projection2.current.stderr @@ -0,0 +1,13 @@ +error[E0277]: the trait bound `Foo: Trait` is not satisfied + --> $DIR/constrain_in_projection2.rs:27:14 + | +LL | let x = >::Assoc::default(); + | ^^^ the trait `Trait` is not implemented for `Foo` + | + = help: the following other types implement trait `Trait`: + > + > + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/type-alias-impl-trait/constrain_in_projection2.next.stderr b/tests/ui/type-alias-impl-trait/constrain_in_projection2.next.stderr new file mode 100644 index 000000000000..0d6eac4216ba --- /dev/null +++ b/tests/ui/type-alias-impl-trait/constrain_in_projection2.next.stderr @@ -0,0 +1,19 @@ +error[E0283]: type annotations needed: cannot satisfy `Foo: Trait` + --> $DIR/constrain_in_projection2.rs:27:14 + | +LL | let x = >::Assoc::default(); + | ^^^ help: use the fully qualified path to an implementation: `::Assoc` + | +note: multiple `impl`s satisfying `Foo: Trait` found + --> $DIR/constrain_in_projection2.rs:18:1 + | +LL | impl Trait<()> for Foo { + | ^^^^^^^^^^^^^^^^^^^^^^ +... +LL | impl Trait for Foo { + | ^^^^^^^^^^^^^^^^^^^^^^^ + = note: associated types cannot be accessed directly on a `trait`, they can only be accessed through a specific `impl` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0283`. diff --git a/tests/ui/type-alias-impl-trait/constrain_in_projection2.rs b/tests/ui/type-alias-impl-trait/constrain_in_projection2.rs new file mode 100644 index 000000000000..af222f6c1534 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/constrain_in_projection2.rs @@ -0,0 +1,32 @@ +//! Check that projections will constrain opaque types while looking for +//! matching impls and error if ambiguous. + +//@ revisions: current next +//@ ignore-compare-mode-next-solver (explicit revisions) +//@[next] compile-flags: -Znext-solver + +#![feature(type_alias_impl_trait)] + +struct Foo; + +type Bar = impl Sized; + +trait Trait { + type Assoc: Default; +} + +impl Trait<()> for Foo { + type Assoc = u32; +} + +impl Trait for Foo { + type Assoc = u32; +} + +fn bop(_: Bar) { + let x = >::Assoc::default(); + //[next]~^ ERROR: cannot satisfy `Foo: Trait` + //[current]~^^ ERROR: `Foo: Trait` is not satisfied +} + +fn main() {} From b1fa845d426bb9866851c8ea610c34b68a4111b4 Mon Sep 17 00:00:00 2001 From: r0cky Date: Thu, 23 May 2024 23:50:39 +0800 Subject: [PATCH 0472/1716] Improve the doc of query associated_item --- compiler/rustc_middle/src/query/mod.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/compiler/rustc_middle/src/query/mod.rs b/compiler/rustc_middle/src/query/mod.rs index 0654d82838c9..5a6decc4f949 100644 --- a/compiler/rustc_middle/src/query/mod.rs +++ b/compiler/rustc_middle/src/query/mod.rs @@ -780,7 +780,7 @@ rustc_queries! { separate_provide_extern } - /// Maps from a trait item to the trait item "descriptor". + /// Maps from a trait/impl item to the trait/impl item "descriptor". query associated_item(key: DefId) -> ty::AssocItem { desc { |tcx| "computing associated item data for `{}`", tcx.def_path_str(key) } cache_on_disk_if { key.is_local() } From 29a630eb72ffb94c3708947afae1e948ad3cb189 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Wed, 17 Apr 2024 09:29:13 +0000 Subject: [PATCH 0473/1716] When checking whether an impl applies, constrain hidden types of opaque types. We already handle this case this way on the coherence side, and it matches the new solver's behaviour. While there is some breakage around type-alias-impl-trait (see new "type annotations needed" in tests/ui/type-alias-impl-trait/issue-84660-unsoundness.rs), no stable code breaks, and no new stable code is accepted. --- .../src/traits/select/mod.rs | 2 +- tests/ui/impl-trait/equality.rs | 13 +++++++---- tests/ui/impl-trait/equality.stderr | 15 ++++-------- tests/ui/impl-trait/nested_impl_trait.stderr | 16 ++++++++----- ...rsive-type-alias-impl-trait-declaration.rs | 2 +- ...e-type-alias-impl-trait-declaration.stderr | 12 +++------- .../constrain_in_projection.current.stderr | 11 --------- .../constrain_in_projection.rs | 3 +-- .../constrain_in_projection2.current.stderr | 18 ++++++++++----- .../constrain_in_projection2.rs | 3 +-- ...=> issue-84660-unsoundness.current.stderr} | 2 +- .../issue-84660-unsoundness.next.stderr | 23 +++++++++++++++++++ .../issue-84660-unsoundness.rs | 8 ++++++- .../nested-tait-inference.rs | 13 +++++++---- .../nested-tait-inference2.current.stderr | 17 ++++++++++++++ .../nested-tait-inference2.next.stderr | 9 ++++++++ .../nested-tait-inference2.rs | 7 +++++- .../nested-tait-inference2.stderr | 16 ------------- .../normalize-hidden-types.current.stderr | 19 ++++++--------- .../self-referential-2.current.stderr | 14 ----------- .../self-referential-2.rs | 4 ++-- .../self-referential-3.rs | 2 +- .../self-referential-3.stderr | 12 ++++------ 23 files changed, 126 insertions(+), 115 deletions(-) delete mode 100644 tests/ui/type-alias-impl-trait/constrain_in_projection.current.stderr rename tests/ui/type-alias-impl-trait/{issue-84660-unsoundness.stderr => issue-84660-unsoundness.current.stderr} (90%) create mode 100644 tests/ui/type-alias-impl-trait/issue-84660-unsoundness.next.stderr create mode 100644 tests/ui/type-alias-impl-trait/nested-tait-inference2.current.stderr create mode 100644 tests/ui/type-alias-impl-trait/nested-tait-inference2.next.stderr delete mode 100644 tests/ui/type-alias-impl-trait/nested-tait-inference2.stderr delete mode 100644 tests/ui/type-alias-impl-trait/self-referential-2.current.stderr diff --git a/compiler/rustc_trait_selection/src/traits/select/mod.rs b/compiler/rustc_trait_selection/src/traits/select/mod.rs index 4a94643d908b..86a5d464b7bb 100644 --- a/compiler/rustc_trait_selection/src/traits/select/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/select/mod.rs @@ -2539,7 +2539,7 @@ impl<'tcx> SelectionContext<'_, 'tcx> { let InferOk { obligations, .. } = self .infcx .at(&cause, obligation.param_env) - .eq(DefineOpaqueTypes::No, placeholder_obligation_trait_ref, impl_trait_ref) + .eq(DefineOpaqueTypes::Yes, placeholder_obligation_trait_ref, impl_trait_ref) .map_err(|e| { debug!("match_impl: failed eq_trait_refs due to `{}`", e.to_string(self.tcx())) })?; diff --git a/tests/ui/impl-trait/equality.rs b/tests/ui/impl-trait/equality.rs index 828b5aac896b..952f81f19784 100644 --- a/tests/ui/impl-trait/equality.rs +++ b/tests/ui/impl-trait/equality.rs @@ -22,7 +22,7 @@ fn sum_to(n: u32) -> impl Foo { 0 } else { n + sum_to(n - 1) - //~^ ERROR cannot add `impl Foo` to `u32` + //~^ ERROR cannot satisfy `>::Output == i32` } } @@ -32,12 +32,15 @@ trait Leak: Sized { } impl Leak for T { default type T = (); - default fn leak(self) -> Self::T { panic!() } + default fn leak(self) -> Self::T { + panic!() + } } impl Leak for i32 { type T = i32; - fn leak(self) -> i32 { self } + fn leak(self) -> i32 { + self + } } -fn main() { -} +fn main() {} diff --git a/tests/ui/impl-trait/equality.stderr b/tests/ui/impl-trait/equality.stderr index 69f4cbbbf429..c9ba1a5ba32d 100644 --- a/tests/ui/impl-trait/equality.stderr +++ b/tests/ui/impl-trait/equality.stderr @@ -22,20 +22,13 @@ help: change the type of the numeric literal from `u32` to `i32` LL | 0_i32 | ~~~ -error[E0277]: cannot add `impl Foo` to `u32` +error[E0284]: type annotations needed: cannot satisfy `>::Output == i32` --> $DIR/equality.rs:24:11 | LL | n + sum_to(n - 1) - | ^ no implementation for `u32 + impl Foo` - | - = help: the trait `Add` is not implemented for `u32` - = help: the following other types implement trait `Add`: - <&'a u32 as Add> - <&u32 as Add<&u32>> - > - + | ^ cannot satisfy `>::Output == i32` error: aborting due to 2 previous errors; 1 warning emitted -Some errors have detailed explanations: E0277, E0308. -For more information about an error, try `rustc --explain E0277`. +Some errors have detailed explanations: E0284, E0308. +For more information about an error, try `rustc --explain E0284`. diff --git a/tests/ui/impl-trait/nested_impl_trait.stderr b/tests/ui/impl-trait/nested_impl_trait.stderr index 1f9a2a5e9d60..f7c708a1dfae 100644 --- a/tests/ui/impl-trait/nested_impl_trait.stderr +++ b/tests/ui/impl-trait/nested_impl_trait.stderr @@ -46,19 +46,23 @@ error[E0277]: the trait bound `impl Into: Into` is not satisfie --> $DIR/nested_impl_trait.rs:6:46 | LL | fn bad_in_ret_position(x: impl Into) -> impl Into { x } - | ^^^^^^^^^^^^^^^^^^^^^ the trait `From>` is not implemented for `impl Into`, which is required by `impl Into: Into` + | ^^^^^^^^^^^^^^^^^^^^^ the trait `Debug` is not implemented for `impl Into` | - = help: the trait `Into` is implemented for `T` - = note: required for `impl Into` to implement `Into` +help: consider further restricting this bound + | +LL | fn bad_in_ret_position(x: impl Into + std::fmt::Debug) -> impl Into { x } + | +++++++++++++++++ error[E0277]: the trait bound `impl Into: Into` is not satisfied --> $DIR/nested_impl_trait.rs:19:34 | LL | fn bad(x: impl Into) -> impl Into { x } - | ^^^^^^^^^^^^^^^^^^^^^ the trait `From>` is not implemented for `impl Into`, which is required by `impl Into: Into` + | ^^^^^^^^^^^^^^^^^^^^^ the trait `Debug` is not implemented for `impl Into` | - = help: the trait `Into` is implemented for `T` - = note: required for `impl Into` to implement `Into` +help: consider further restricting this bound + | +LL | fn bad(x: impl Into + std::fmt::Debug) -> impl Into { x } + | +++++++++++++++++ error: aborting due to 7 previous errors diff --git a/tests/ui/impl-trait/recursive-type-alias-impl-trait-declaration.rs b/tests/ui/impl-trait/recursive-type-alias-impl-trait-declaration.rs index aab10be2de27..7874a21f3aec 100644 --- a/tests/ui/impl-trait/recursive-type-alias-impl-trait-declaration.rs +++ b/tests/ui/impl-trait/recursive-type-alias-impl-trait-declaration.rs @@ -11,7 +11,7 @@ impl PartialEq<(Bar, i32)> for Bar { } fn foo() -> Foo { - //~^ ERROR can't compare `Bar` with `(Foo, i32)` + //~^ ERROR overflow evaluating the requirement `Bar: PartialEq<(Foo, i32)>` Bar } diff --git a/tests/ui/impl-trait/recursive-type-alias-impl-trait-declaration.stderr b/tests/ui/impl-trait/recursive-type-alias-impl-trait-declaration.stderr index bc810c0f88f3..2d4707f8a279 100644 --- a/tests/ui/impl-trait/recursive-type-alias-impl-trait-declaration.stderr +++ b/tests/ui/impl-trait/recursive-type-alias-impl-trait-declaration.stderr @@ -1,15 +1,9 @@ -error[E0277]: can't compare `Bar` with `(Foo, i32)` +error[E0275]: overflow evaluating the requirement `Bar: PartialEq<(Foo, i32)>` --> $DIR/recursive-type-alias-impl-trait-declaration.rs:13:13 | LL | fn foo() -> Foo { - | ^^^ no implementation for `Bar == (Foo, i32)` -LL | -LL | Bar - | --- return type was inferred to be `Bar` here - | - = help: the trait `PartialEq<(Foo, i32)>` is not implemented for `Bar` - = help: the trait `PartialEq<(Bar, i32)>` is implemented for `Bar` + | ^^^ error: aborting due to 1 previous error -For more information about this error, try `rustc --explain E0277`. +For more information about this error, try `rustc --explain E0275`. diff --git a/tests/ui/type-alias-impl-trait/constrain_in_projection.current.stderr b/tests/ui/type-alias-impl-trait/constrain_in_projection.current.stderr deleted file mode 100644 index c215d197db43..000000000000 --- a/tests/ui/type-alias-impl-trait/constrain_in_projection.current.stderr +++ /dev/null @@ -1,11 +0,0 @@ -error[E0277]: the trait bound `Foo: Trait` is not satisfied - --> $DIR/constrain_in_projection.rs:24:14 - | -LL | let x = >::Assoc::default(); - | ^^^ the trait `Trait` is not implemented for `Foo` - | - = help: the trait `Trait<()>` is implemented for `Foo` - -error: aborting due to 1 previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/type-alias-impl-trait/constrain_in_projection.rs b/tests/ui/type-alias-impl-trait/constrain_in_projection.rs index 7d7d16361ae6..2a246900106c 100644 --- a/tests/ui/type-alias-impl-trait/constrain_in_projection.rs +++ b/tests/ui/type-alias-impl-trait/constrain_in_projection.rs @@ -4,7 +4,7 @@ //@ revisions: current next //@ ignore-compare-mode-next-solver (explicit revisions) //@[next] compile-flags: -Znext-solver -//@[next]check-pass +//@check-pass #![feature(type_alias_impl_trait)] @@ -22,7 +22,6 @@ impl Trait<()> for Foo { fn bop(_: Bar) { let x = >::Assoc::default(); - //[current]~^ `Foo: Trait` is not satisfied } fn main() {} diff --git a/tests/ui/type-alias-impl-trait/constrain_in_projection2.current.stderr b/tests/ui/type-alias-impl-trait/constrain_in_projection2.current.stderr index 69df5c77f9de..0d6eac4216ba 100644 --- a/tests/ui/type-alias-impl-trait/constrain_in_projection2.current.stderr +++ b/tests/ui/type-alias-impl-trait/constrain_in_projection2.current.stderr @@ -1,13 +1,19 @@ -error[E0277]: the trait bound `Foo: Trait` is not satisfied +error[E0283]: type annotations needed: cannot satisfy `Foo: Trait` --> $DIR/constrain_in_projection2.rs:27:14 | LL | let x = >::Assoc::default(); - | ^^^ the trait `Trait` is not implemented for `Foo` + | ^^^ help: use the fully qualified path to an implementation: `::Assoc` | - = help: the following other types implement trait `Trait`: - > - > +note: multiple `impl`s satisfying `Foo: Trait` found + --> $DIR/constrain_in_projection2.rs:18:1 + | +LL | impl Trait<()> for Foo { + | ^^^^^^^^^^^^^^^^^^^^^^ +... +LL | impl Trait for Foo { + | ^^^^^^^^^^^^^^^^^^^^^^^ + = note: associated types cannot be accessed directly on a `trait`, they can only be accessed through a specific `impl` error: aborting due to 1 previous error -For more information about this error, try `rustc --explain E0277`. +For more information about this error, try `rustc --explain E0283`. diff --git a/tests/ui/type-alias-impl-trait/constrain_in_projection2.rs b/tests/ui/type-alias-impl-trait/constrain_in_projection2.rs index af222f6c1534..0066131f0155 100644 --- a/tests/ui/type-alias-impl-trait/constrain_in_projection2.rs +++ b/tests/ui/type-alias-impl-trait/constrain_in_projection2.rs @@ -25,8 +25,7 @@ impl Trait for Foo { fn bop(_: Bar) { let x = >::Assoc::default(); - //[next]~^ ERROR: cannot satisfy `Foo: Trait` - //[current]~^^ ERROR: `Foo: Trait` is not satisfied + //~^ ERROR: cannot satisfy `Foo: Trait` } fn main() {} diff --git a/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.stderr b/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.current.stderr similarity index 90% rename from tests/ui/type-alias-impl-trait/issue-84660-unsoundness.stderr rename to tests/ui/type-alias-impl-trait/issue-84660-unsoundness.current.stderr index 461da20f37b6..a7ff097e8bf3 100644 --- a/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.stderr +++ b/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.current.stderr @@ -1,5 +1,5 @@ error[E0119]: conflicting implementations of trait `Trait` - --> $DIR/issue-84660-unsoundness.rs:23:1 + --> $DIR/issue-84660-unsoundness.rs:28:1 | LL | impl Trait for Out { | ------------------------------------ first implementation here diff --git a/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.next.stderr b/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.next.stderr new file mode 100644 index 000000000000..607f0b062abd --- /dev/null +++ b/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.next.stderr @@ -0,0 +1,23 @@ +error[E0284]: type annotations needed: cannot satisfy `>::Out == ()` + --> $DIR/issue-84660-unsoundness.rs:22:37 + | +LL | fn convert(_i: In) -> Self::Out { + | _____________________________________^ +LL | | +LL | | unreachable!(); +LL | | } + | |_____^ cannot satisfy `>::Out == ()` + +error[E0119]: conflicting implementations of trait `Trait` + --> $DIR/issue-84660-unsoundness.rs:28:1 + | +LL | impl Trait for Out { + | ------------------------------------ first implementation here +... +LL | impl Trait<(), In> for Out { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation + +error: aborting due to 2 previous errors + +Some errors have detailed explanations: E0119, E0284. +For more information about an error, try `rustc --explain E0119`. diff --git a/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.rs b/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.rs index 48d4b0c96ff0..99a5d36066b0 100644 --- a/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.rs +++ b/tests/ui/type-alias-impl-trait/issue-84660-unsoundness.rs @@ -1,6 +1,10 @@ // Another example from issue #84660, this time weaponized as a safe transmute: an opaque type in an // impl header being accepted was used to create unsoundness. +//@ revisions: current next +//@ ignore-compare-mode-next-solver (explicit revisions) +//@[next] compile-flags: -Znext-solver + #![feature(type_alias_impl_trait)] trait Foo {} @@ -16,11 +20,13 @@ trait Trait { impl Trait for Out { type Out = Out; fn convert(_i: In) -> Self::Out { + //[next]~^ ERROR: type annotations needed unreachable!(); } } -impl Trait<(), In> for Out { //~ ERROR conflicting implementations of trait `Trait` +impl Trait<(), In> for Out { + //~^ ERROR conflicting implementations of trait `Trait` type Out = In; fn convert(i: In) -> Self::Out { i diff --git a/tests/ui/type-alias-impl-trait/nested-tait-inference.rs b/tests/ui/type-alias-impl-trait/nested-tait-inference.rs index 82248971692c..70495c44706a 100644 --- a/tests/ui/type-alias-impl-trait/nested-tait-inference.rs +++ b/tests/ui/type-alias-impl-trait/nested-tait-inference.rs @@ -1,18 +1,21 @@ #![feature(type_alias_impl_trait)] #![allow(dead_code)] +//@ revisions: current next +//@ ignore-compare-mode-next-solver (explicit revisions) +//@[next] compile-flags: -Znext-solver +//@check-pass + use std::fmt::Debug; type FooX = impl Debug; -trait Foo { } +trait Foo {} -impl Foo<()> for () { } +impl Foo<()> for () {} fn foo() -> impl Foo { - //~^ ERROR: the trait bound `(): Foo` is not satisfied - // FIXME(type-alias-impl-trait): We could probably make this work. () } -fn main() { } +fn main() {} diff --git a/tests/ui/type-alias-impl-trait/nested-tait-inference2.current.stderr b/tests/ui/type-alias-impl-trait/nested-tait-inference2.current.stderr new file mode 100644 index 000000000000..c7b7af152ab3 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/nested-tait-inference2.current.stderr @@ -0,0 +1,17 @@ +error[E0283]: type annotations needed: cannot satisfy `(): Foo` + --> $DIR/nested-tait-inference2.rs:17:13 + | +LL | fn foo() -> impl Foo { + | ^^^^^^^^^^^^^^ + | +note: multiple `impl`s satisfying `(): Foo` found + --> $DIR/nested-tait-inference2.rs:14:1 + | +LL | impl Foo<()> for () {} + | ^^^^^^^^^^^^^^^^^^^ +LL | impl Foo for () {} + | ^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0283`. diff --git a/tests/ui/type-alias-impl-trait/nested-tait-inference2.next.stderr b/tests/ui/type-alias-impl-trait/nested-tait-inference2.next.stderr new file mode 100644 index 000000000000..9647d9e376eb --- /dev/null +++ b/tests/ui/type-alias-impl-trait/nested-tait-inference2.next.stderr @@ -0,0 +1,9 @@ +error[E0284]: type annotations needed: cannot satisfy `impl Foo == ()` + --> $DIR/nested-tait-inference2.rs:19:5 + | +LL | () + | ^^ cannot satisfy `impl Foo == ()` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0284`. diff --git a/tests/ui/type-alias-impl-trait/nested-tait-inference2.rs b/tests/ui/type-alias-impl-trait/nested-tait-inference2.rs index 0d7f5bad25f1..fe2f76e552ad 100644 --- a/tests/ui/type-alias-impl-trait/nested-tait-inference2.rs +++ b/tests/ui/type-alias-impl-trait/nested-tait-inference2.rs @@ -1,6 +1,10 @@ #![feature(type_alias_impl_trait)] #![allow(dead_code)] +//@ revisions: current next +//@ ignore-compare-mode-next-solver (explicit revisions) +//@[next] compile-flags: -Znext-solver + use std::fmt::Debug; type FooX = impl Debug; @@ -11,8 +15,9 @@ impl Foo<()> for () {} impl Foo for () {} fn foo() -> impl Foo { - //~^ ERROR: the trait bound `(): Foo` is not satisfied + //[current]~^ ERROR: cannot satisfy `(): Foo` () + //[next]~^ ERROR: cannot satisfy `impl Foo == ()` } fn main() {} diff --git a/tests/ui/type-alias-impl-trait/nested-tait-inference2.stderr b/tests/ui/type-alias-impl-trait/nested-tait-inference2.stderr deleted file mode 100644 index 241342b05096..000000000000 --- a/tests/ui/type-alias-impl-trait/nested-tait-inference2.stderr +++ /dev/null @@ -1,16 +0,0 @@ -error[E0277]: the trait bound `(): Foo` is not satisfied - --> $DIR/nested-tait-inference2.rs:13:13 - | -LL | fn foo() -> impl Foo { - | ^^^^^^^^^^^^^^ the trait `Foo` is not implemented for `()` -LL | -LL | () - | -- return type was inferred to be `()` here - | - = help: the following other types implement trait `Foo`: - <() as Foo<()>> - <() as Foo> - -error: aborting due to 1 previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/type-alias-impl-trait/normalize-hidden-types.current.stderr b/tests/ui/type-alias-impl-trait/normalize-hidden-types.current.stderr index a40dac06a01c..eff29303bf18 100644 --- a/tests/ui/type-alias-impl-trait/normalize-hidden-types.current.stderr +++ b/tests/ui/type-alias-impl-trait/normalize-hidden-types.current.stderr @@ -22,21 +22,17 @@ note: previous use here LL | fn define_1() -> Opaque { dyn_hoops::<_>(0) } | ^^^^^^^^^^^^^^^^^ -error[E0308]: mismatched types +error: concrete type differs from previous defining opaque type use --> $DIR/normalize-hidden-types.rs:43:25 | -LL | type Opaque = impl Sized; - | ---------- the expected opaque type -... LL | let _: Opaque = dyn_hoops::(0); - | ------ ^^^^^^^^^^^^^^^^^^ expected opaque type, found `*const dyn FnOnce(())` - | | - | expected due to this + | ^^^^^^^^^^^^^^^^^^ expected `*const (dyn FnOnce(()) + 'static)`, got `*const dyn for<'a> FnOnce(::Gat<'a>)` | - = note: expected opaque type `typeck::Opaque` - found raw pointer `*const (dyn FnOnce(()) + 'static)` - = help: consider constraining the associated type `::Gat<'_>` to `()` or calling a method that returns `::Gat<'_>` - = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html +note: previous use here + --> $DIR/normalize-hidden-types.rs:44:9 + | +LL | None + | ^^^^ error: concrete type differs from previous defining opaque type use --> $DIR/normalize-hidden-types.rs:52:25 @@ -52,4 +48,3 @@ LL | None error: aborting due to 4 previous errors -For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/type-alias-impl-trait/self-referential-2.current.stderr b/tests/ui/type-alias-impl-trait/self-referential-2.current.stderr deleted file mode 100644 index 3ae3590ca7fe..000000000000 --- a/tests/ui/type-alias-impl-trait/self-referential-2.current.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error[E0277]: can't compare `i32` with `Foo` - --> $DIR/self-referential-2.rs:10:13 - | -LL | fn bar() -> Bar { - | ^^^ no implementation for `i32 == Foo` -LL | 42_i32 - | ------ return type was inferred to be `i32` here - | - = help: the trait `PartialEq` is not implemented for `i32` - = help: the trait `PartialEq` is implemented for `i32` - -error: aborting due to 1 previous error - -For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/type-alias-impl-trait/self-referential-2.rs b/tests/ui/type-alias-impl-trait/self-referential-2.rs index f96364ccfcdd..f4102f2e2cb7 100644 --- a/tests/ui/type-alias-impl-trait/self-referential-2.rs +++ b/tests/ui/type-alias-impl-trait/self-referential-2.rs @@ -1,14 +1,14 @@ //@ revisions: current next //@ ignore-compare-mode-next-solver (explicit revisions) //@[next] compile-flags: -Znext-solver -//@[next] check-pass +//@ check-pass #![feature(type_alias_impl_trait)] type Foo = impl std::fmt::Debug; type Bar = impl PartialEq; fn bar() -> Bar { - 42_i32 //[current]~^ ERROR can't compare `i32` with `Foo` + 42_i32 } fn main() {} diff --git a/tests/ui/type-alias-impl-trait/self-referential-3.rs b/tests/ui/type-alias-impl-trait/self-referential-3.rs index b33051da2d77..3b015ab322ac 100644 --- a/tests/ui/type-alias-impl-trait/self-referential-3.rs +++ b/tests/ui/type-alias-impl-trait/self-referential-3.rs @@ -5,7 +5,7 @@ type Bar<'a, 'b> = impl PartialEq> + std::fmt::Debug; fn bar<'a, 'b>(i: &'a i32) -> Bar<'a, 'b> { - //~^ ERROR can't compare `&i32` with `Bar<'a, 'b>` + //~^ ERROR overflow normalizing the type alias `Bar<'a, 'b>` i } diff --git a/tests/ui/type-alias-impl-trait/self-referential-3.stderr b/tests/ui/type-alias-impl-trait/self-referential-3.stderr index 32eac622e518..caa9f9691dda 100644 --- a/tests/ui/type-alias-impl-trait/self-referential-3.stderr +++ b/tests/ui/type-alias-impl-trait/self-referential-3.stderr @@ -1,15 +1,11 @@ -error[E0277]: can't compare `&i32` with `Bar<'a, 'b>` +error[E0275]: overflow normalizing the type alias `Bar<'a, 'b>` --> $DIR/self-referential-3.rs:7:31 | LL | fn bar<'a, 'b>(i: &'a i32) -> Bar<'a, 'b> { - | ^^^^^^^^^^^ no implementation for `&i32 == Bar<'a, 'b>` -LL | -LL | i - | - return type was inferred to be `&i32` here + | ^^^^^^^^^^^ | - = help: the trait `PartialEq>` is not implemented for `&i32` - = help: the trait `PartialEq` is implemented for `i32` + = note: in case this is a recursive type alias, consider using a struct, enum, or union instead error: aborting due to 1 previous error -For more information about this error, try `rustc --explain E0277`. +For more information about this error, try `rustc --explain E0275`. From 7f292f41a0c6c5ebbc915d487dd49741f9982684 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Wed, 17 Apr 2024 10:01:34 +0000 Subject: [PATCH 0474/1716] Allow defining opaque types during trait object upcasting. No stable code is affected, as this requires the `trait_upcasting` feature gate. --- .../src/traits/select/mod.rs | 2 +- .../upcast-defining-opaque.current.stderr | 17 ----------------- .../trait-upcasting/upcast-defining-opaque.rs | 4 ++-- 3 files changed, 3 insertions(+), 20 deletions(-) delete mode 100644 tests/ui/traits/trait-upcasting/upcast-defining-opaque.current.stderr diff --git a/compiler/rustc_trait_selection/src/traits/select/mod.rs b/compiler/rustc_trait_selection/src/traits/select/mod.rs index 86a5d464b7bb..ee4b81b046f4 100644 --- a/compiler/rustc_trait_selection/src/traits/select/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/select/mod.rs @@ -2631,7 +2631,7 @@ impl<'tcx> SelectionContext<'_, 'tcx> { nested.extend( self.infcx .at(&obligation.cause, obligation.param_env) - .eq(DefineOpaqueTypes::No, source_projection, target_projection) + .eq(DefineOpaqueTypes::Yes, source_projection, target_projection) .map_err(|_| SelectionError::Unimplemented)? .into_obligations(), ); diff --git a/tests/ui/traits/trait-upcasting/upcast-defining-opaque.current.stderr b/tests/ui/traits/trait-upcasting/upcast-defining-opaque.current.stderr deleted file mode 100644 index a259abb28ae3..000000000000 --- a/tests/ui/traits/trait-upcasting/upcast-defining-opaque.current.stderr +++ /dev/null @@ -1,17 +0,0 @@ -error[E0308]: mismatched types - --> $DIR/upcast-defining-opaque.rs:21:5 - | -LL | type Foo = impl Sized; - | ---------- the found opaque type -LL | -LL | fn upcast(x: &dyn Sub) -> &dyn Super { - | ----------------------- expected `&dyn Super` because of return type -LL | x - | ^ expected trait `Super`, found trait `Sub` - | - = note: expected reference `&dyn Super` - found reference `&dyn Sub` - -error: aborting due to 1 previous error - -For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/traits/trait-upcasting/upcast-defining-opaque.rs b/tests/ui/traits/trait-upcasting/upcast-defining-opaque.rs index cb1501a94a2a..07f1549e177f 100644 --- a/tests/ui/traits/trait-upcasting/upcast-defining-opaque.rs +++ b/tests/ui/traits/trait-upcasting/upcast-defining-opaque.rs @@ -1,7 +1,7 @@ //@ revisions: current next //@[next] compile-flags: -Znext-solver //@ ignore-compare-mode-next-solver (explicit revisions) -//@[next] check-pass +//@check-pass #![feature(trait_upcasting, type_alias_impl_trait)] @@ -18,7 +18,7 @@ impl Super for T { type Foo = impl Sized; fn upcast(x: &dyn Sub) -> &dyn Super { - x //[current]~ mismatched types + x } fn main() {} From 4387eea7f76e82d6f6050df99196c15d53b4914a Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Wed, 17 Apr 2024 10:48:20 +0000 Subject: [PATCH 0475/1716] Support constraining opaque types while trait upcasting with binders --- compiler/rustc_trait_selection/src/traits/select/mod.rs | 2 +- .../traits/trait-upcasting/type-checking-test-opaques.rs | 3 ++- .../trait-upcasting/type-checking-test-opaques.stderr | 9 --------- 3 files changed, 3 insertions(+), 11 deletions(-) delete mode 100644 tests/ui/traits/trait-upcasting/type-checking-test-opaques.stderr diff --git a/compiler/rustc_trait_selection/src/traits/select/mod.rs b/compiler/rustc_trait_selection/src/traits/select/mod.rs index ee4b81b046f4..696b1c151153 100644 --- a/compiler/rustc_trait_selection/src/traits/select/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/select/mod.rs @@ -2594,7 +2594,7 @@ impl<'tcx> SelectionContext<'_, 'tcx> { self.infcx .at(&obligation.cause, obligation.param_env) .eq( - DefineOpaqueTypes::No, + DefineOpaqueTypes::Yes, upcast_principal.map_bound(|trait_ref| { ty::ExistentialTraitRef::erase_self_ty(tcx, trait_ref) }), diff --git a/tests/ui/traits/trait-upcasting/type-checking-test-opaques.rs b/tests/ui/traits/trait-upcasting/type-checking-test-opaques.rs index edad62fa4dbc..a3a1ce29465b 100644 --- a/tests/ui/traits/trait-upcasting/type-checking-test-opaques.rs +++ b/tests/ui/traits/trait-upcasting/type-checking-test-opaques.rs @@ -1,5 +1,7 @@ #![feature(trait_upcasting, type_alias_impl_trait)] +//@ check-pass + type Tait = impl Sized; trait Foo<'a>: Bar<'a, 'a, Tait> {} @@ -15,7 +17,6 @@ fn test_correct2<'a>(x: &dyn Foo<'a>) { fn test_correct3<'a>(x: &dyn Foo<'a>, _: Tait) { let _ = x as &dyn Bar<'_, '_, ()>; - //~^ ERROR: non-primitive cast } fn main() {} diff --git a/tests/ui/traits/trait-upcasting/type-checking-test-opaques.stderr b/tests/ui/traits/trait-upcasting/type-checking-test-opaques.stderr deleted file mode 100644 index b2982f581ea0..000000000000 --- a/tests/ui/traits/trait-upcasting/type-checking-test-opaques.stderr +++ /dev/null @@ -1,9 +0,0 @@ -error[E0605]: non-primitive cast: `&dyn Foo<'a>` as `&dyn Bar<'_, '_, ()>` - --> $DIR/type-checking-test-opaques.rs:17:13 - | -LL | let _ = x as &dyn Bar<'_, '_, ()>; - | ^^^^^^^^^^^^^^^^^^^^^^^^^ an `as` expression can only be used to convert between primitive types or to coerce to a specific trait object - -error: aborting due to 1 previous error - -For more information about this error, try `rustc --explain E0605`. From d6e69188578d95d6bb75cd00cec62e375e62ba6b Mon Sep 17 00:00:00 2001 From: blyxyas Date: Thu, 23 May 2024 18:45:03 +0200 Subject: [PATCH 0476/1716] Make clamp inline --- library/core/src/cmp.rs | 1 + 1 file changed, 1 insertion(+) diff --git a/library/core/src/cmp.rs b/library/core/src/cmp.rs index fc6022ab7535..f3f757ce69df 100644 --- a/library/core/src/cmp.rs +++ b/library/core/src/cmp.rs @@ -898,6 +898,7 @@ pub trait Ord: Eq + PartialOrd { /// assert_eq!(2.clamp(-2, 1), 1); /// ``` #[must_use] + #[inline] #[stable(feature = "clamp", since = "1.50.0")] fn clamp(self, min: Self, max: Self) -> Self where From de8200c5a441079cfaadd383a8b6897155bfa2c6 Mon Sep 17 00:00:00 2001 From: Augie Fackler Date: Thu, 23 May 2024 14:58:30 -0400 Subject: [PATCH 0477/1716] thinlto: only build summary file if needed If we don't do this, some versions of LLVM (at least 17, experimentally) will double-emit some error messages, which is how I noticed this. Given that it seems to be costing some extra work, let's only request the summary bitcode production if we'll actually bother writing it down, otherwise skip it. --- compiler/rustc_codegen_llvm/src/back/lto.rs | 8 ++++---- compiler/rustc_codegen_llvm/src/back/write.rs | 6 +++--- compiler/rustc_codegen_llvm/src/lib.rs | 4 ++-- compiler/rustc_codegen_llvm/src/llvm/ffi.rs | 2 +- compiler/rustc_codegen_ssa/src/back/write.rs | 2 +- compiler/rustc_codegen_ssa/src/traits/write.rs | 2 +- compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp | 7 +++++-- 7 files changed, 17 insertions(+), 14 deletions(-) diff --git a/compiler/rustc_codegen_llvm/src/back/lto.rs b/compiler/rustc_codegen_llvm/src/back/lto.rs index 740939eb6bbd..0dc91524f841 100644 --- a/compiler/rustc_codegen_llvm/src/back/lto.rs +++ b/compiler/rustc_codegen_llvm/src/back/lto.rs @@ -229,9 +229,9 @@ pub(crate) fn run_thin( thin_lto(cgcx, &dcx, modules, upstream_modules, cached_modules, &symbols_below_threshold) } -pub(crate) fn prepare_thin(module: ModuleCodegen) -> (String, ThinBuffer) { +pub(crate) fn prepare_thin(module: ModuleCodegen, emit_summary: bool) -> (String, ThinBuffer) { let name = module.name; - let buffer = ThinBuffer::new(module.module_llvm.llmod(), true); + let buffer = ThinBuffer::new(module.module_llvm.llmod(), true, emit_summary); (name, buffer) } @@ -671,9 +671,9 @@ unsafe impl Send for ThinBuffer {} unsafe impl Sync for ThinBuffer {} impl ThinBuffer { - pub fn new(m: &llvm::Module, is_thin: bool) -> ThinBuffer { + pub fn new(m: &llvm::Module, is_thin: bool, emit_summary: bool) -> ThinBuffer { unsafe { - let buffer = llvm::LLVMRustThinLTOBufferCreate(m, is_thin); + let buffer = llvm::LLVMRustThinLTOBufferCreate(m, is_thin, emit_summary); ThinBuffer(buffer) } } diff --git a/compiler/rustc_codegen_llvm/src/back/write.rs b/compiler/rustc_codegen_llvm/src/back/write.rs index 4a24bba2bb7a..a0fb110d0294 100644 --- a/compiler/rustc_codegen_llvm/src/back/write.rs +++ b/compiler/rustc_codegen_llvm/src/back/write.rs @@ -716,9 +716,8 @@ pub(crate) unsafe fn codegen( let _timer = cgcx .prof .generic_activity_with_arg("LLVM_module_codegen_make_bitcode", &*module.name); - let thin = ThinBuffer::new(llmod, config.emit_thin_lto); + let thin = ThinBuffer::new(llmod, config.emit_thin_lto, config.emit_thin_lto_index); let data = thin.data(); - let index_data = thin.thin_link_data(); if let Some(bitcode_filename) = bc_out.file_name() { cgcx.prof.artifact_size( @@ -728,7 +727,8 @@ pub(crate) unsafe fn codegen( ); } - if let Some(thin_link_bitcode_filename) = bc_index_out.file_name() { + if config.emit_thin_lto_index && let Some(thin_link_bitcode_filename) = bc_index_out.file_name() { + let index_data = thin.thin_link_data(); cgcx.prof.artifact_size( "llvm_bitcode_summary", thin_link_bitcode_filename.to_string_lossy(), diff --git a/compiler/rustc_codegen_llvm/src/lib.rs b/compiler/rustc_codegen_llvm/src/lib.rs index 1cecf682e5db..4a9502fa897c 100644 --- a/compiler/rustc_codegen_llvm/src/lib.rs +++ b/compiler/rustc_codegen_llvm/src/lib.rs @@ -240,8 +240,8 @@ impl WriteBackendMethods for LlvmCodegenBackend { ) -> Result { back::write::codegen(cgcx, dcx, module, config) } - fn prepare_thin(module: ModuleCodegen) -> (String, Self::ThinBuffer) { - back::lto::prepare_thin(module) + fn prepare_thin(module: ModuleCodegen, emit_summary: bool) -> (String, Self::ThinBuffer) { + back::lto::prepare_thin(module, emit_summary) } fn serialize_module(module: ModuleCodegen) -> (String, Self::ModuleBuffer) { (module.name, back::lto::ModuleBuffer::new(module.module_llvm.llmod())) diff --git a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs index 648e7f128900..1e84c2be3c67 100644 --- a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs +++ b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs @@ -2350,7 +2350,7 @@ extern "C" { #[allow(improper_ctypes)] pub fn LLVMRustModuleInstructionStats(M: &Module, Str: &RustString); - pub fn LLVMRustThinLTOBufferCreate(M: &Module, is_thin: bool) -> &'static mut ThinLTOBuffer; + pub fn LLVMRustThinLTOBufferCreate(M: &Module, is_thin: bool, emit_summary: bool) -> &'static mut ThinLTOBuffer; pub fn LLVMRustThinLTOBufferFree(M: &'static mut ThinLTOBuffer); pub fn LLVMRustThinLTOBufferPtr(M: &ThinLTOBuffer) -> *const c_char; pub fn LLVMRustThinLTOBufferLen(M: &ThinLTOBuffer) -> size_t; diff --git a/compiler/rustc_codegen_ssa/src/back/write.rs b/compiler/rustc_codegen_ssa/src/back/write.rs index cee177d5eec2..0432659d371e 100644 --- a/compiler/rustc_codegen_ssa/src/back/write.rs +++ b/compiler/rustc_codegen_ssa/src/back/write.rs @@ -891,7 +891,7 @@ fn execute_optimize_work_item( match lto_type { ComputedLtoType::No => finish_intra_module_work(cgcx, module, module_config), ComputedLtoType::Thin => { - let (name, thin_buffer) = B::prepare_thin(module); + let (name, thin_buffer) = B::prepare_thin(module, false); if let Some(path) = bitcode { fs::write(&path, thin_buffer.data()).unwrap_or_else(|e| { panic!("Error writing pre-lto-bitcode file `{}`: {}", path.display(), e); diff --git a/compiler/rustc_codegen_ssa/src/traits/write.rs b/compiler/rustc_codegen_ssa/src/traits/write.rs index b4b23812d4dc..21efca53a478 100644 --- a/compiler/rustc_codegen_ssa/src/traits/write.rs +++ b/compiler/rustc_codegen_ssa/src/traits/write.rs @@ -56,7 +56,7 @@ pub trait WriteBackendMethods: 'static + Sized + Clone { module: ModuleCodegen, config: &ModuleConfig, ) -> Result; - fn prepare_thin(module: ModuleCodegen) -> (String, Self::ThinBuffer); + fn prepare_thin(module: ModuleCodegen, want_summary: bool) -> (String, Self::ThinBuffer); fn serialize_module(module: ModuleCodegen) -> (String, Self::ModuleBuffer); } diff --git a/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp index c210d2531e76..3fcf3aca8afe 100644 --- a/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp +++ b/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp @@ -1492,7 +1492,7 @@ struct LLVMRustThinLTOBuffer { }; extern "C" LLVMRustThinLTOBuffer* -LLVMRustThinLTOBufferCreate(LLVMModuleRef M, bool is_thin) { +LLVMRustThinLTOBufferCreate(LLVMModuleRef M, bool is_thin, bool emit_summary) { auto Ret = std::make_unique(); { auto OS = raw_string_ostream(Ret->data); @@ -1510,7 +1510,10 @@ LLVMRustThinLTOBufferCreate(LLVMModuleRef M, bool is_thin) { PB.registerLoopAnalyses(LAM); PB.crossRegisterProxies(LAM, FAM, CGAM, MAM); ModulePassManager MPM; - MPM.addPass(ThinLTOBitcodeWriterPass(OS, &ThinLinkOS)); + // We only pass ThinLinkOS to be filled in if we want the summary, + // because otherwise LLVM does extra work and may double-emit some + // errors or warnings. + MPM.addPass(ThinLTOBitcodeWriterPass(OS, emit_summary ? &ThinLinkOS : nullptr)); MPM.run(*unwrap(M), MAM); } else { WriteBitcodeToFile(*unwrap(M), OS); From 3ea494190f0df0e6d1454b160419c9a72cfca5ba Mon Sep 17 00:00:00 2001 From: Augie Fackler Date: Thu, 23 May 2024 15:07:43 -0400 Subject: [PATCH 0478/1716] cleanup: standardize on summary over index in names I did this in the user-facing logic, but I noticed while fixing a minor defect that I had missed it in a few places in the internal details. --- compiler/rustc_codegen_llvm/src/back/write.rs | 16 ++++++++-------- compiler/rustc_codegen_ssa/src/back/write.rs | 6 +++--- 2 files changed, 11 insertions(+), 11 deletions(-) diff --git a/compiler/rustc_codegen_llvm/src/back/write.rs b/compiler/rustc_codegen_llvm/src/back/write.rs index a0fb110d0294..daefac8480bd 100644 --- a/compiler/rustc_codegen_llvm/src/back/write.rs +++ b/compiler/rustc_codegen_llvm/src/back/write.rs @@ -708,7 +708,7 @@ pub(crate) unsafe fn codegen( // asm from LLVM and use `gcc` to create the object file. let bc_out = cgcx.output_filenames.temp_path(OutputType::Bitcode, module_name); - let bc_index_out = + let bc_summary_out = cgcx.output_filenames.temp_path(OutputType::ThinLinkBitcode, module_name); let obj_out = cgcx.output_filenames.temp_path(OutputType::Object, module_name); @@ -716,7 +716,7 @@ pub(crate) unsafe fn codegen( let _timer = cgcx .prof .generic_activity_with_arg("LLVM_module_codegen_make_bitcode", &*module.name); - let thin = ThinBuffer::new(llmod, config.emit_thin_lto, config.emit_thin_lto_index); + let thin = ThinBuffer::new(llmod, config.emit_thin_lto, config.emit_thin_lto_summary); let data = thin.data(); if let Some(bitcode_filename) = bc_out.file_name() { @@ -727,20 +727,20 @@ pub(crate) unsafe fn codegen( ); } - if config.emit_thin_lto_index && let Some(thin_link_bitcode_filename) = bc_index_out.file_name() { - let index_data = thin.thin_link_data(); + if config.emit_thin_lto_summary && let Some(thin_link_bitcode_filename) = bc_summary_out.file_name() { + let summary_data = thin.thin_link_data(); cgcx.prof.artifact_size( "llvm_bitcode_summary", thin_link_bitcode_filename.to_string_lossy(), - index_data.len() as u64, + summary_data.len() as u64, ); let _timer = cgcx.prof.generic_activity_with_arg( - "LLVM_module_codegen_emit_bitcode_index", + "LLVM_module_codegen_emit_bitcode_summary", &*module.name, ); - if let Err(err) = fs::write(&bc_index_out, index_data) { - dcx.emit_err(WriteBytecode { path: &bc_index_out, err }); + if let Err(err) = fs::write(&bc_summary_out, summary_data) { + dcx.emit_err(WriteBytecode { path: &bc_summary_out, err }); } } diff --git a/compiler/rustc_codegen_ssa/src/back/write.rs b/compiler/rustc_codegen_ssa/src/back/write.rs index 0432659d371e..f112cea6c82b 100644 --- a/compiler/rustc_codegen_ssa/src/back/write.rs +++ b/compiler/rustc_codegen_ssa/src/back/write.rs @@ -107,7 +107,7 @@ pub struct ModuleConfig { pub emit_asm: bool, pub emit_obj: EmitObj, pub emit_thin_lto: bool, - pub emit_thin_lto_index: bool, + pub emit_thin_lto_summary: bool, pub bc_cmdline: String, // Miscellaneous flags. These are mostly copied from command-line @@ -232,7 +232,7 @@ impl ModuleConfig { ), emit_obj, emit_thin_lto: sess.opts.unstable_opts.emit_thin_lto, - emit_thin_lto_index: if_regular!( + emit_thin_lto_summary: if_regular!( sess.opts.output_types.contains_key(&OutputType::ThinLinkBitcode), false ), @@ -287,7 +287,7 @@ impl ModuleConfig { pub fn bitcode_needed(&self) -> bool { self.emit_bc - || self.emit_thin_lto_index + || self.emit_thin_lto_summary || self.emit_obj == EmitObj::Bitcode || self.emit_obj == EmitObj::ObjectCode(BitcodeSection::Full) } From a0581b5b7fe6b9add5c1f0fe90a9f2cc8249b01e Mon Sep 17 00:00:00 2001 From: Augie Fackler Date: Thu, 23 May 2024 15:10:04 -0400 Subject: [PATCH 0479/1716] cleanup: run rustfmt --- compiler/rustc_codegen_llvm/src/back/lto.rs | 5 ++++- compiler/rustc_codegen_llvm/src/back/write.rs | 17 +++++++++-------- compiler/rustc_codegen_llvm/src/lib.rs | 5 ++++- compiler/rustc_codegen_llvm/src/llvm/ffi.rs | 6 +++++- compiler/rustc_codegen_ssa/src/traits/write.rs | 5 ++++- 5 files changed, 26 insertions(+), 12 deletions(-) diff --git a/compiler/rustc_codegen_llvm/src/back/lto.rs b/compiler/rustc_codegen_llvm/src/back/lto.rs index 0dc91524f841..c4bcf16bef30 100644 --- a/compiler/rustc_codegen_llvm/src/back/lto.rs +++ b/compiler/rustc_codegen_llvm/src/back/lto.rs @@ -229,7 +229,10 @@ pub(crate) fn run_thin( thin_lto(cgcx, &dcx, modules, upstream_modules, cached_modules, &symbols_below_threshold) } -pub(crate) fn prepare_thin(module: ModuleCodegen, emit_summary: bool) -> (String, ThinBuffer) { +pub(crate) fn prepare_thin( + module: ModuleCodegen, + emit_summary: bool, +) -> (String, ThinBuffer) { let name = module.name; let buffer = ThinBuffer::new(module.module_llvm.llmod(), true, emit_summary); (name, buffer) diff --git a/compiler/rustc_codegen_llvm/src/back/write.rs b/compiler/rustc_codegen_llvm/src/back/write.rs index daefac8480bd..08cfda9e8ce0 100644 --- a/compiler/rustc_codegen_llvm/src/back/write.rs +++ b/compiler/rustc_codegen_llvm/src/back/write.rs @@ -727,7 +727,9 @@ pub(crate) unsafe fn codegen( ); } - if config.emit_thin_lto_summary && let Some(thin_link_bitcode_filename) = bc_summary_out.file_name() { + if config.emit_thin_lto_summary + && let Some(thin_link_bitcode_filename) = bc_summary_out.file_name() + { let summary_data = thin.thin_link_data(); cgcx.prof.artifact_size( "llvm_bitcode_summary", @@ -745,13 +747,12 @@ pub(crate) unsafe fn codegen( } if config.emit_bc || config.emit_obj == EmitObj::Bitcode { - let _timer = cgcx.prof.generic_activity_with_arg( - "LLVM_module_codegen_emit_bitcode", - &*module.name, - ); - if let Err(err) = fs::write(&bc_out, data) { - dcx.emit_err(WriteBytecode { path: &bc_out, err }); - } + let _timer = cgcx + .prof + .generic_activity_with_arg("LLVM_module_codegen_emit_bitcode", &*module.name); + if let Err(err) = fs::write(&bc_out, data) { + dcx.emit_err(WriteBytecode { path: &bc_out, err }); + } } if config.emit_obj == EmitObj::ObjectCode(BitcodeSection::Full) { diff --git a/compiler/rustc_codegen_llvm/src/lib.rs b/compiler/rustc_codegen_llvm/src/lib.rs index 4a9502fa897c..1e4f4c01b1c7 100644 --- a/compiler/rustc_codegen_llvm/src/lib.rs +++ b/compiler/rustc_codegen_llvm/src/lib.rs @@ -240,7 +240,10 @@ impl WriteBackendMethods for LlvmCodegenBackend { ) -> Result { back::write::codegen(cgcx, dcx, module, config) } - fn prepare_thin(module: ModuleCodegen, emit_summary: bool) -> (String, Self::ThinBuffer) { + fn prepare_thin( + module: ModuleCodegen, + emit_summary: bool, + ) -> (String, Self::ThinBuffer) { back::lto::prepare_thin(module, emit_summary) } fn serialize_module(module: ModuleCodegen) -> (String, Self::ModuleBuffer) { diff --git a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs index 1e84c2be3c67..132e1f9e8fd9 100644 --- a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs +++ b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs @@ -2350,7 +2350,11 @@ extern "C" { #[allow(improper_ctypes)] pub fn LLVMRustModuleInstructionStats(M: &Module, Str: &RustString); - pub fn LLVMRustThinLTOBufferCreate(M: &Module, is_thin: bool, emit_summary: bool) -> &'static mut ThinLTOBuffer; + pub fn LLVMRustThinLTOBufferCreate( + M: &Module, + is_thin: bool, + emit_summary: bool, + ) -> &'static mut ThinLTOBuffer; pub fn LLVMRustThinLTOBufferFree(M: &'static mut ThinLTOBuffer); pub fn LLVMRustThinLTOBufferPtr(M: &ThinLTOBuffer) -> *const c_char; pub fn LLVMRustThinLTOBufferLen(M: &ThinLTOBuffer) -> size_t; diff --git a/compiler/rustc_codegen_ssa/src/traits/write.rs b/compiler/rustc_codegen_ssa/src/traits/write.rs index 21efca53a478..f83e34ab01bc 100644 --- a/compiler/rustc_codegen_ssa/src/traits/write.rs +++ b/compiler/rustc_codegen_ssa/src/traits/write.rs @@ -56,7 +56,10 @@ pub trait WriteBackendMethods: 'static + Sized + Clone { module: ModuleCodegen, config: &ModuleConfig, ) -> Result; - fn prepare_thin(module: ModuleCodegen, want_summary: bool) -> (String, Self::ThinBuffer); + fn prepare_thin( + module: ModuleCodegen, + want_summary: bool, + ) -> (String, Self::ThinBuffer); fn serialize_module(module: ModuleCodegen) -> (String, Self::ModuleBuffer); } From 004100c222638c980b6509aba0ed4990181fa5dc Mon Sep 17 00:00:00 2001 From: Arpad Borsos Date: Mon, 20 May 2024 12:04:21 +0200 Subject: [PATCH 0480/1716] Process a single not-ASCII-printable `char` per iteration This avoids having to collect a non-ASCII-printable run before processing it. --- library/core/src/fmt/mod.rs | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/library/core/src/fmt/mod.rs b/library/core/src/fmt/mod.rs index b9f6b2d35c9f..7f115d5cb20b 100644 --- a/library/core/src/fmt/mod.rs +++ b/library/core/src/fmt/mod.rs @@ -2407,8 +2407,8 @@ impl Debug for str { b > 0x7E || b < 0x20 || b == b'\\' || b == b'"' } - // the outer loop here splits the string into chunks of printable ASCII, which is just skipped over, - // and chunks of other chars (unicode, or ASCII that needs escaping), which is handler per-`char`. + // the loop here first skips over runs of printable ASCII as a fast path. + // other chars (unicode, or ASCII that needs escaping) are then handled per-`char`. let mut rest = self; while rest.len() > 0 { let Some(non_printable_start) = rest.as_bytes().iter().position(|&b| needs_escape(b)) @@ -2421,12 +2421,8 @@ impl Debug for str { // SAFETY: the position was derived from an iterator, so is known to be within bounds, and at a char boundary rest = unsafe { rest.get_unchecked(non_printable_start..) }; - let printable_start = - rest.as_bytes().iter().position(|&b| !needs_escape(b)).unwrap_or(rest.len()); - let prefix; - (prefix, rest) = rest.split_at(printable_start); - - for c in prefix.chars() { + let mut chars = rest.chars(); + if let Some(c) = chars.next() { let esc = c.escape_debug_ext(EscapeDebugExtArgs { escape_grapheme_extended: true, escape_single_quote: false, @@ -2439,6 +2435,7 @@ impl Debug for str { } printable_range.end += c.len_utf8(); } + rest = chars.as_str(); } f.write_str(&self[printable_range])?; From cfe3f77f9dd83bceb35e9685c4690b7b1a5be1b0 Mon Sep 17 00:00:00 2001 From: Augie Fackler Date: Thu, 23 May 2024 15:23:21 -0400 Subject: [PATCH 0481/1716] rustc_codegen_gcc: fix changed method signature --- compiler/rustc_codegen_gcc/src/lib.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/compiler/rustc_codegen_gcc/src/lib.rs b/compiler/rustc_codegen_gcc/src/lib.rs index d786d5116ce7..b1785e150adc 100644 --- a/compiler/rustc_codegen_gcc/src/lib.rs +++ b/compiler/rustc_codegen_gcc/src/lib.rs @@ -418,7 +418,7 @@ impl WriteBackendMethods for GccCodegenBackend { back::write::codegen(cgcx, dcx, module, config) } - fn prepare_thin(_module: ModuleCodegen) -> (String, Self::ThinBuffer) { + fn prepare_thin(_module: ModuleCodegen, _emit_summary: bool) -> (String, Self::ThinBuffer) { unimplemented!(); } From 24afa42a90eb035e24e5dcffbc538fb96277e3a3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Le=C3=B3n=20Orell=20Valerian=20Liehr?= Date: Thu, 23 May 2024 19:18:07 +0200 Subject: [PATCH 0482/1716] Properly deal with missing/placeholder types inside GACs --- compiler/rustc_hir_typeck/src/lib.rs | 13 +++++--- .../assoc-const-missing-type.rs | 17 ++++++++++ .../assoc-const-missing-type.stderr | 32 +++++++++++++++++++ 3 files changed, 58 insertions(+), 4 deletions(-) create mode 100644 tests/ui/generic-const-items/assoc-const-missing-type.rs create mode 100644 tests/ui/generic-const-items/assoc-const-missing-type.stderr diff --git a/compiler/rustc_hir_typeck/src/lib.rs b/compiler/rustc_hir_typeck/src/lib.rs index b9a99fbec3cd..4f35acaa4475 100644 --- a/compiler/rustc_hir_typeck/src/lib.rs +++ b/compiler/rustc_hir_typeck/src/lib.rs @@ -235,11 +235,16 @@ fn infer_type_if_missing<'tcx>(fcx: &FnCtxt<'_, 'tcx>, node: Node<'tcx>) -> Opti if let Some(item) = tcx.opt_associated_item(def_id.into()) && let ty::AssocKind::Const = item.kind && let ty::ImplContainer = item.container - && let Some(trait_item) = item.trait_item_def_id + && let Some(trait_item_def_id) = item.trait_item_def_id { - let args = - tcx.impl_trait_ref(item.container_id(tcx)).unwrap().instantiate_identity().args; - Some(tcx.type_of(trait_item).instantiate(tcx, args)) + let impl_def_id = item.container_id(tcx); + let impl_trait_ref = tcx.impl_trait_ref(impl_def_id).unwrap().instantiate_identity(); + let args = ty::GenericArgs::identity_for_item(tcx, def_id).rebase_onto( + tcx, + impl_def_id, + impl_trait_ref.args, + ); + Some(tcx.type_of(trait_item_def_id).instantiate(tcx, args)) } else { Some(fcx.next_ty_var(span)) } diff --git a/tests/ui/generic-const-items/assoc-const-missing-type.rs b/tests/ui/generic-const-items/assoc-const-missing-type.rs new file mode 100644 index 000000000000..80f282ea134d --- /dev/null +++ b/tests/ui/generic-const-items/assoc-const-missing-type.rs @@ -0,0 +1,17 @@ +// Ensure that we properly deal with missing/placeholder types inside GACs. +// issue: rust-lang/rust#124833 +#![feature(generic_const_items)] +#![allow(incomplete_features)] + +trait Trait { + const K: T; +} + +impl Trait for () { + const K = (); + //~^ ERROR missing type for `const` item + //~| ERROR mismatched types + //~| ERROR mismatched types +} + +fn main() {} diff --git a/tests/ui/generic-const-items/assoc-const-missing-type.stderr b/tests/ui/generic-const-items/assoc-const-missing-type.stderr new file mode 100644 index 000000000000..158e9a068f65 --- /dev/null +++ b/tests/ui/generic-const-items/assoc-const-missing-type.stderr @@ -0,0 +1,32 @@ +error[E0308]: mismatched types + --> $DIR/assoc-const-missing-type.rs:11:18 + | +LL | const K = (); + | - ^^ expected type parameter `T`, found `()` + | | + | expected this type parameter + | + = note: expected type parameter `T` + found unit type `()` + +error: missing type for `const` item + --> $DIR/assoc-const-missing-type.rs:11:15 + | +LL | const K = (); + | ^ help: provide a type for the associated constant: `()` + +error[E0308]: mismatched types + --> $DIR/assoc-const-missing-type.rs:11:18 + | +LL | const K = (); + | - ^^ expected type parameter `T`, found `()` + | | + | expected this type parameter + | + = note: expected type parameter `T` + found unit type `()` + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: aborting due to 3 previous errors + +For more information about this error, try `rustc --explain E0308`. From 39d9b840bbd2ed663241f4800f4d07b7950df46f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Le=C3=B3n=20Orell=20Valerian=20Liehr?= Date: Thu, 23 May 2024 20:05:28 +0200 Subject: [PATCH 0483/1716] Handle trait/impl GAC mismatches when inferring missing/placeholder types --- compiler/rustc_hir_typeck/src/lib.rs | 3 ++- tests/crashes/124833.rs | 10 ------- .../assoc-const-missing-type.rs | 4 +++ .../assoc-const-missing-type.stderr | 26 +++++++++++++++---- 4 files changed, 27 insertions(+), 16 deletions(-) delete mode 100644 tests/crashes/124833.rs diff --git a/compiler/rustc_hir_typeck/src/lib.rs b/compiler/rustc_hir_typeck/src/lib.rs index 4f35acaa4475..86fe2756b59a 100644 --- a/compiler/rustc_hir_typeck/src/lib.rs +++ b/compiler/rustc_hir_typeck/src/lib.rs @@ -244,7 +244,8 @@ fn infer_type_if_missing<'tcx>(fcx: &FnCtxt<'_, 'tcx>, node: Node<'tcx>) -> Opti impl_def_id, impl_trait_ref.args, ); - Some(tcx.type_of(trait_item_def_id).instantiate(tcx, args)) + tcx.check_args_compatible(trait_item_def_id, args) + .then(|| tcx.type_of(trait_item_def_id).instantiate(tcx, args)) } else { Some(fcx.next_ty_var(span)) } diff --git a/tests/crashes/124833.rs b/tests/crashes/124833.rs deleted file mode 100644 index f1c4847b544a..000000000000 --- a/tests/crashes/124833.rs +++ /dev/null @@ -1,10 +0,0 @@ -//@ known-bug: rust-lang/rust#124833 -#![feature(generic_const_items)] - -trait Trait { - const C<'a>: &'a str; -} - -impl Trait for () { - const C<'a>: = "C"; -} diff --git a/tests/ui/generic-const-items/assoc-const-missing-type.rs b/tests/ui/generic-const-items/assoc-const-missing-type.rs index 80f282ea134d..93160f0b5758 100644 --- a/tests/ui/generic-const-items/assoc-const-missing-type.rs +++ b/tests/ui/generic-const-items/assoc-const-missing-type.rs @@ -5,6 +5,7 @@ trait Trait { const K: T; + const Q<'a>: &'a str; } impl Trait for () { @@ -12,6 +13,9 @@ impl Trait for () { //~^ ERROR missing type for `const` item //~| ERROR mismatched types //~| ERROR mismatched types + const Q = ""; + //~^ ERROR missing type for `const` item + //~| ERROR lifetime parameters or bounds on const `Q` do not match the trait declaration } fn main() {} diff --git a/tests/ui/generic-const-items/assoc-const-missing-type.stderr b/tests/ui/generic-const-items/assoc-const-missing-type.stderr index 158e9a068f65..6f35c0958d45 100644 --- a/tests/ui/generic-const-items/assoc-const-missing-type.stderr +++ b/tests/ui/generic-const-items/assoc-const-missing-type.stderr @@ -1,5 +1,5 @@ error[E0308]: mismatched types - --> $DIR/assoc-const-missing-type.rs:11:18 + --> $DIR/assoc-const-missing-type.rs:12:18 | LL | const K = (); | - ^^ expected type parameter `T`, found `()` @@ -10,13 +10,28 @@ LL | const K = (); found unit type `()` error: missing type for `const` item - --> $DIR/assoc-const-missing-type.rs:11:15 + --> $DIR/assoc-const-missing-type.rs:12:15 | LL | const K = (); | ^ help: provide a type for the associated constant: `()` +error[E0195]: lifetime parameters or bounds on const `Q` do not match the trait declaration + --> $DIR/assoc-const-missing-type.rs:16:12 + | +LL | const Q<'a>: &'a str; + | ---- lifetimes in impl do not match this const in trait +... +LL | const Q = ""; + | ^ lifetimes do not match const in trait + +error: missing type for `const` item + --> $DIR/assoc-const-missing-type.rs:16:12 + | +LL | const Q = ""; + | ^ help: provide a type for the associated constant: `: &str` + error[E0308]: mismatched types - --> $DIR/assoc-const-missing-type.rs:11:18 + --> $DIR/assoc-const-missing-type.rs:12:18 | LL | const K = (); | - ^^ expected type parameter `T`, found `()` @@ -27,6 +42,7 @@ LL | const K = (); found unit type `()` = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -error: aborting due to 3 previous errors +error: aborting due to 5 previous errors -For more information about this error, try `rustc --explain E0308`. +Some errors have detailed explanations: E0195, E0308. +For more information about an error, try `rustc --explain E0195`. From 0f5338cd903c715d411dee6af95f076177914e42 Mon Sep 17 00:00:00 2001 From: Kevin Reid Date: Wed, 22 May 2024 22:21:01 -0700 Subject: [PATCH 0484/1716] =?UTF-8?q?For=20restriction=20lints,=20replace?= =?UTF-8?q?=20=E2=80=9CWhy=20is=20this=20bad=3F=E2=80=9D=20with=20?= =?UTF-8?q?=E2=80=9CWhy=20restrict=20this=3F=E2=80=9D?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The `restriction` group contains many lints which are not about necessarily “bad” things, but style choices — perhaps even style choices which contradict conventional Rust style — or are otherwise very situational. This results in silly wording like “Why is this bad? It isn't, but ...”, which I’ve seen confuse a newcomer at least once. To improve this situation, this commit replaces the “Why is this bad?” section heading with “Why restrict this?”, for most, but not all, restriction lints. I left alone the ones whose placement in the restriction group is more incidental. In order to make this make sense, I had to remove the “It isn't, but” texts from the contents of the sections. Sometimes further changes were needed, or there were obvious fixes to make, and I went ahead and made those changes without attempting to split them into another commit, even though many of them are not strictly necessary for the “Why restrict this?” project. --- book/src/development/adding_lints.md | 5 ++++ clippy_dev/src/new_lint.rs | 7 ++++- clippy_lints/src/absolute_paths.rs | 2 +- clippy_lints/src/allow_attributes.rs | 7 ++--- clippy_lints/src/as_conversions.rs | 2 +- clippy_lints/src/asm_syntax.rs | 10 +++---- .../src/assertions_on_result_states.rs | 20 ++++++++++---- clippy_lints/src/attrs/mod.rs | 6 ++--- clippy_lints/src/casts/mod.rs | 6 ++--- clippy_lints/src/create_dir.rs | 6 +++-- clippy_lints/src/dbg_macro.rs | 2 +- clippy_lints/src/default_numeric_fallback.rs | 5 ++-- .../src/default_union_representation.rs | 2 +- clippy_lints/src/disallowed_script_idents.rs | 4 +-- clippy_lints/src/doc/mod.rs | 2 +- clippy_lints/src/drop_forget_ref.rs | 7 ++--- clippy_lints/src/else_if_without_else.rs | 2 +- clippy_lints/src/empty_drop.rs | 2 +- clippy_lints/src/empty_with_brackets.rs | 24 +++++++++++++---- clippy_lints/src/endian_bytes.rs | 15 +++++------ clippy_lints/src/error_impl_error.rs | 2 +- clippy_lints/src/exhaustive_items.rs | 16 ++++++------ clippy_lints/src/exit.rs | 12 +++++---- clippy_lints/src/float_literal.rs | 6 ++--- clippy_lints/src/format_push_string.rs | 2 +- clippy_lints/src/functions/mod.rs | 11 ++++---- clippy_lints/src/if_then_some_else_none.rs | 2 +- clippy_lints/src/implicit_return.rs | 13 +++++----- clippy_lints/src/indexing_slicing.rs | 7 ++--- clippy_lints/src/inherent_impl.rs | 2 +- .../src/integer_division_remainder_used.rs | 6 ++--- clippy_lints/src/iter_over_hash_type.rs | 4 +-- clippy_lints/src/large_include_file.rs | 8 +++--- clippy_lints/src/let_underscore.rs | 9 +++---- clippy_lints/src/literal_representation.rs | 4 +-- clippy_lints/src/loops/mod.rs | 6 ++--- clippy_lints/src/matches/mod.rs | 6 ++--- clippy_lints/src/methods/mod.rs | 21 ++++++++------- clippy_lints/src/min_ident_chars.rs | 7 +++-- clippy_lints/src/misc_early/mod.rs | 6 ++--- clippy_lints/src/missing_assert_message.rs | 2 +- .../src/missing_asserts_for_indexing.rs | 2 +- clippy_lints/src/missing_doc.rs | 4 +-- clippy_lints/src/missing_inline.rs | 19 +++++++++----- clippy_lints/src/missing_trait_methods.rs | 10 +++---- .../src/mixed_read_write_in_expression.rs | 9 ++++--- clippy_lints/src/module_style.rs | 6 ++--- .../src/multiple_unsafe_ops_per_block.rs | 2 +- clippy_lints/src/mutex_atomic.rs | 2 +- clippy_lints/src/operators/mod.rs | 12 ++++----- clippy_lints/src/panic_in_result_fn.rs | 4 +-- clippy_lints/src/panic_unimplemented.rs | 18 ++++++------- clippy_lints/src/partial_pub_fields.rs | 9 ++++--- clippy_lints/src/pattern_type_mismatch.rs | 5 ++-- clippy_lints/src/pub_use.rs | 8 +++--- clippy_lints/src/question_mark_used.rs | 2 +- clippy_lints/src/raw_strings.rs | 6 +++-- clippy_lints/src/redundant_slicing.rs | 2 +- .../src/redundant_type_annotations.rs | 2 +- clippy_lints/src/ref_patterns.rs | 4 ++- clippy_lints/src/same_name_method.rs | 2 +- clippy_lints/src/semicolon_block.rs | 6 ++--- clippy_lints/src/shadow.rs | 26 +++++++++++-------- clippy_lints/src/single_call_fn.rs | 19 +++++++++----- .../src/single_char_lifetime_names.rs | 5 ++-- clippy_lints/src/std_instead_of_core.rs | 12 +++------ clippy_lints/src/strings.rs | 19 +++++++------- .../src/suspicious_xor_used_as_pow.rs | 4 ++- clippy_lints/src/tests_outside_test_module.rs | 4 ++- clippy_lints/src/types/mod.rs | 4 +-- .../src/undocumented_unsafe_blocks.rs | 9 +++---- clippy_lints/src/unicode.rs | 2 +- clippy_lints/src/unnecessary_self_imports.rs | 2 +- clippy_lints/src/unwrap_in_result.rs | 6 +++-- clippy_lints/src/visibility.rs | 4 +-- clippy_lints/src/write.rs | 13 ++++++---- 76 files changed, 306 insertions(+), 245 deletions(-) diff --git a/book/src/development/adding_lints.md b/book/src/development/adding_lints.md index 415022612caa..48c00bcbf341 100644 --- a/book/src/development/adding_lints.md +++ b/book/src/development/adding_lints.md @@ -587,6 +587,11 @@ declare_clippy_lint! { } ``` +If the lint is in the `restriction` group because it lints things that are not +necessarily “bad” but are more of a style choice, then replace the +“Why is this bad?” section heading with “Why restrict this?”, to avoid writing +“Why is this bad? It isn't, but ...”. + Once your lint is merged, this documentation will show up in the [lint list][lint_list]. diff --git a/clippy_dev/src/new_lint.rs b/clippy_dev/src/new_lint.rs index b6481dde4dde..2e56eb8ec15f 100644 --- a/clippy_dev/src/new_lint.rs +++ b/clippy_dev/src/new_lint.rs @@ -331,12 +331,17 @@ fn get_lint_file_contents(lint: &LintData<'_>, enable_msrv: bool) -> String { } fn get_lint_declaration(name_upper: &str, category: &str) -> String { + let justification_heading = if category == "restriction" { + "Why restrict this?" + } else { + "Why is this bad?" + }; formatdoc!( r#" declare_clippy_lint! {{ /// ### What it does /// - /// ### Why is this bad? + /// ### {justification_heading} /// /// ### Example /// ```no_run diff --git a/clippy_lints/src/absolute_paths.rs b/clippy_lints/src/absolute_paths.rs index 8ba661afeeb6..461117cf965d 100644 --- a/clippy_lints/src/absolute_paths.rs +++ b/clippy_lints/src/absolute_paths.rs @@ -12,7 +12,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for usage of items through absolute paths, like `std::env::current_dir`. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Many codebases have their own style when it comes to importing, but one that is seldom used /// is using absolute paths *everywhere*. This is generally considered unidiomatic, and you /// should add a `use` statement. diff --git a/clippy_lints/src/allow_attributes.rs b/clippy_lints/src/allow_attributes.rs index 39fc49dee377..123d0e51eeee 100644 --- a/clippy_lints/src/allow_attributes.rs +++ b/clippy_lints/src/allow_attributes.rs @@ -19,10 +19,11 @@ declare_clippy_lint! { /// This lint only warns outer attributes (`#[allow]`), as inner attributes /// (`#![allow]`) are usually used to enable or disable lints on a global scale. /// - /// ### Why is this bad? - /// `#[expect]` attributes suppress the lint emission, but emit a warning, if + /// ### Why restrict this? + /// `#[allow]` attributes can linger after their reason for existence is gone. + /// `#[expect]` attributes suppress the lint emission, but emit a warning if /// the expectation is unfulfilled. This can be useful to be notified when the - /// lint is no longer triggered. + /// lint is no longer triggered, which may indicate the attribute can be removed. /// /// ### Example /// ```rust,ignore diff --git a/clippy_lints/src/as_conversions.rs b/clippy_lints/src/as_conversions.rs index e3daf75c3eb6..cfa25005a05e 100644 --- a/clippy_lints/src/as_conversions.rs +++ b/clippy_lints/src/as_conversions.rs @@ -17,7 +17,7 @@ declare_clippy_lint! { /// There is a good explanation the reason why this lint should work in this way and how it is useful /// [in this issue](https://github.com/rust-lang/rust-clippy/issues/5122). /// - /// ### Why is this bad? + /// ### Why restrict this? /// `as` conversions will perform many kinds of /// conversions, including silently lossy conversions and dangerous coercions. /// There are cases when it makes sense to use `as`, so the lint is diff --git a/clippy_lints/src/asm_syntax.rs b/clippy_lints/src/asm_syntax.rs index 7c88bfc97ca4..0db1456d40bf 100644 --- a/clippy_lints/src/asm_syntax.rs +++ b/clippy_lints/src/asm_syntax.rs @@ -65,9 +65,8 @@ declare_clippy_lint! { /// ### What it does /// Checks for usage of Intel x86 assembly syntax. /// - /// ### Why is this bad? - /// The lint has been enabled to indicate a preference - /// for AT&T x86 assembly syntax. + /// ### Why restrict this? + /// To enforce consistent use of AT&T x86 assembly syntax. /// /// ### Example /// @@ -114,9 +113,8 @@ declare_clippy_lint! { /// ### What it does /// Checks for usage of AT&T x86 assembly syntax. /// - /// ### Why is this bad? - /// The lint has been enabled to indicate a preference - /// for Intel x86 assembly syntax. + /// ### Why restrict this? + /// To enforce consistent use of Intel x86 assembly syntax. /// /// ### Example /// diff --git a/clippy_lints/src/assertions_on_result_states.rs b/clippy_lints/src/assertions_on_result_states.rs index aec22965b1b0..7217686dcca5 100644 --- a/clippy_lints/src/assertions_on_result_states.rs +++ b/clippy_lints/src/assertions_on_result_states.rs @@ -16,23 +16,33 @@ declare_clippy_lint! { /// ### What it does /// Checks for `assert!(r.is_ok())` or `assert!(r.is_err())` calls. /// - /// ### Why is this bad? - /// An assertion failure cannot output an useful message of the error. + /// ### Why restrict this? + /// This form of assertion does not show any of the information present in the `Result` + /// other than which variant it isn’t. /// /// ### Known problems /// The suggested replacement decreases the readability of code and log output. /// /// ### Example - /// ```rust,ignore + /// ```rust,no_run /// # let r = Ok::<_, ()>(()); /// assert!(r.is_ok()); - /// # let r = Err::<_, ()>(()); + /// # let r = Err::<(), _>(()); /// assert!(r.is_err()); /// ``` + /// + /// Use instead: + /// + /// ```rust,no_run + /// # let r = Ok::<_, ()>(()); + /// r.unwrap(); + /// # let r = Err::<(), _>(()); + /// r.unwrap_err(); + /// ``` #[clippy::version = "1.64.0"] pub ASSERTIONS_ON_RESULT_STATES, restriction, - "`assert!(r.is_ok())`/`assert!(r.is_err())` gives worse error message than directly calling `r.unwrap()`/`r.unwrap_err()`" + "`assert!(r.is_ok())` or `assert!(r.is_err())` gives worse panic messages than directly calling `r.unwrap()` or `r.unwrap_err()`" } declare_lint_pass!(AssertionsOnResultStates => [ASSERTIONS_ON_RESULT_STATES]); diff --git a/clippy_lints/src/attrs/mod.rs b/clippy_lints/src/attrs/mod.rs index 39f406077995..a24bd5ed44be 100644 --- a/clippy_lints/src/attrs/mod.rs +++ b/clippy_lints/src/attrs/mod.rs @@ -309,9 +309,9 @@ declare_clippy_lint! { /// /// (This requires the `lint_reasons` feature) /// - /// ### Why is this bad? - /// Allowing a lint should always have a reason. This reason should be documented to - /// ensure that others understand the reasoning + /// ### Why restrict this? + /// Justifying each `allow` helps readers understand the reasoning, + /// and may allow removing `allow` attributes if their purpose is obsolete. /// /// ### Example /// ```no_run diff --git a/clippy_lints/src/casts/mod.rs b/clippy_lints/src/casts/mod.rs index bd2c96f01f6f..e60c36ced75d 100644 --- a/clippy_lints/src/casts/mod.rs +++ b/clippy_lints/src/casts/mod.rs @@ -303,7 +303,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for casts of a function pointer to any integer type. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Casting a function pointer to an integer can have surprising results and can occur /// accidentally if parentheses are omitted from a function call. If you aren't doing anything /// low-level with function pointers then you can opt-out of casting functions to integers in @@ -535,8 +535,8 @@ declare_clippy_lint! { /// ### What it does /// Checks for the usage of `as _` conversion using inferred type. /// - /// ### Why is this bad? - /// The conversion might include lossy conversion and dangerous cast that might go + /// ### Why restrict this? + /// The conversion might include lossy conversion or a dangerous cast that might go /// undetected due to the type being inferred. /// /// The lint is allowed by default as using `_` is less wordy than always specifying the type. diff --git a/clippy_lints/src/create_dir.rs b/clippy_lints/src/create_dir.rs index 7a3d5a070912..27c00948a8f2 100644 --- a/clippy_lints/src/create_dir.rs +++ b/clippy_lints/src/create_dir.rs @@ -10,8 +10,10 @@ declare_clippy_lint! { /// ### What it does /// Checks usage of `std::fs::create_dir` and suggest using `std::fs::create_dir_all` instead. /// - /// ### Why is this bad? - /// Sometimes `std::fs::create_dir` is mistakenly chosen over `std::fs::create_dir_all`. + /// ### Why restrict this? + /// Sometimes `std::fs::create_dir` is mistakenly chosen over `std::fs::create_dir_all`, + /// resulting in failure when more than one directory needs to be created or when the directory already exists. + /// Crates which never need to specifically create a single directory may wish to prevent this mistake. /// /// ### Example /// ```rust,ignore diff --git a/clippy_lints/src/dbg_macro.rs b/clippy_lints/src/dbg_macro.rs index db5937266047..b0590b0a71cb 100644 --- a/clippy_lints/src/dbg_macro.rs +++ b/clippy_lints/src/dbg_macro.rs @@ -14,7 +14,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for usage of the [`dbg!`](https://doc.rust-lang.org/std/macro.dbg.html) macro. /// - /// ### Why is this bad? + /// ### Why restrict this? /// The `dbg!` macro is intended as a debugging tool. It should not be present in released /// software or committed to a version control system. /// diff --git a/clippy_lints/src/default_numeric_fallback.rs b/clippy_lints/src/default_numeric_fallback.rs index 1d6c4ce72e18..fbc4ede37b1c 100644 --- a/clippy_lints/src/default_numeric_fallback.rs +++ b/clippy_lints/src/default_numeric_fallback.rs @@ -22,9 +22,8 @@ declare_clippy_lint! { /// /// See [RFC0212](https://github.com/rust-lang/rfcs/blob/master/text/0212-restore-int-fallback.md) for more information about the fallback. /// - /// ### Why is this bad? - /// For those who are very careful about types, default numeric fallback - /// can be a pitfall that cause unexpected runtime behavior. + /// ### Why restrict this? + /// To ensure that every numeric type is chosen explicitly rather than implicitly. /// /// ### Known problems /// This lint can only be allowed at the function level or above. diff --git a/clippy_lints/src/default_union_representation.rs b/clippy_lints/src/default_union_representation.rs index b4290b6437f2..3fa9bad0d03d 100644 --- a/clippy_lints/src/default_union_representation.rs +++ b/clippy_lints/src/default_union_representation.rs @@ -10,7 +10,7 @@ declare_clippy_lint! { /// ### What it does /// Displays a warning when a union is declared with the default representation (without a `#[repr(C)]` attribute). /// - /// ### Why is this bad? + /// ### Why restrict this? /// Unions in Rust have unspecified layout by default, despite many people thinking that they /// lay out each field at the start of the union (like C does). That is, there are no guarantees /// about the offset of the fields for unions with multiple non-ZST fields without an explicitly diff --git a/clippy_lints/src/disallowed_script_idents.rs b/clippy_lints/src/disallowed_script_idents.rs index def4b5932b4b..a995f06fb73d 100644 --- a/clippy_lints/src/disallowed_script_idents.rs +++ b/clippy_lints/src/disallowed_script_idents.rs @@ -20,11 +20,11 @@ declare_clippy_lint! { /// [aliases]: http://www.unicode.org/reports/tr24/tr24-31.html#Script_Value_Aliases /// [supported_scripts]: https://www.unicode.org/iso15924/iso15924-codes.html /// - /// ### Why is this bad? + /// ### Why restrict this? /// It may be not desired to have many different scripts for /// identifiers in the codebase. /// - /// Note that if you only want to allow plain English, you might want to use + /// Note that if you only want to allow typical English, you might want to use /// built-in [`non_ascii_idents`] lint instead. /// /// [`non_ascii_idents`]: https://doc.rust-lang.org/rustc/lints/listing/allowed-by-default.html#non-ascii-idents diff --git a/clippy_lints/src/doc/mod.rs b/clippy_lints/src/doc/mod.rs index 81c47d07c356..e9c4559ff4d2 100644 --- a/clippy_lints/src/doc/mod.rs +++ b/clippy_lints/src/doc/mod.rs @@ -261,7 +261,7 @@ declare_clippy_lint! { /// Checks for the doc comments of publicly visible /// safe functions and traits and warns if there is a `# Safety` section. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Safe functions and traits are safe to implement and therefore do not /// need to describe safety preconditions that users are required to uphold. /// diff --git a/clippy_lints/src/drop_forget_ref.rs b/clippy_lints/src/drop_forget_ref.rs index 119473c2454b..4a6ffcd9a788 100644 --- a/clippy_lints/src/drop_forget_ref.rs +++ b/clippy_lints/src/drop_forget_ref.rs @@ -52,9 +52,10 @@ declare_clippy_lint! { /// Checks for usage of `std::mem::forget(t)` where `t` is /// `Drop` or has a field that implements `Drop`. /// - /// ### Why is this bad? - /// `std::mem::forget(t)` prevents `t` from running its - /// destructor, possibly causing leaks. + /// ### Why restrict this? + /// `std::mem::forget(t)` prevents `t` from running its destructor, possibly causing leaks. + /// It is not possible to detect all means of creating leaks, but it may be desirable to + /// prohibit the simple ones. /// /// ### Example /// ```no_run diff --git a/clippy_lints/src/else_if_without_else.rs b/clippy_lints/src/else_if_without_else.rs index a6ca7fe9e0bb..bb6f9aac2236 100644 --- a/clippy_lints/src/else_if_without_else.rs +++ b/clippy_lints/src/else_if_without_else.rs @@ -11,7 +11,7 @@ declare_clippy_lint! { /// Checks for usage of if expressions with an `else if` branch, /// but without a final `else` branch. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Some coding guidelines require this (e.g., MISRA-C:2004 Rule 14.10). /// /// ### Example diff --git a/clippy_lints/src/empty_drop.rs b/clippy_lints/src/empty_drop.rs index 74db250b3ae9..c5fc72b5e2d8 100644 --- a/clippy_lints/src/empty_drop.rs +++ b/clippy_lints/src/empty_drop.rs @@ -9,7 +9,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for empty `Drop` implementations. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Empty `Drop` implementations have no effect when dropping an instance of the type. They are /// most likely useless. However, an empty `Drop` implementation prevents a type from being /// destructured, which might be the intention behind adding the implementation as a marker. diff --git a/clippy_lints/src/empty_with_brackets.rs b/clippy_lints/src/empty_with_brackets.rs index 969df6d85b5a..745599b0e57a 100644 --- a/clippy_lints/src/empty_with_brackets.rs +++ b/clippy_lints/src/empty_with_brackets.rs @@ -11,16 +11,23 @@ declare_clippy_lint! { /// ### What it does /// Finds structs without fields (a so-called "empty struct") that are declared with brackets. /// - /// ### Why is this bad? - /// Empty brackets after a struct declaration can be omitted. + /// ### Why restrict this? + /// Empty brackets after a struct declaration can be omitted, + /// and it may be desirable to do so consistently for style. + /// + /// However, removing the brackets also introduces a public constant named after the struct, + /// so this is not just a syntactic simplification but an an API change, and adding them back + /// is a *breaking* API change. /// /// ### Example /// ```no_run /// struct Cookie {} + /// struct Biscuit(); /// ``` /// Use instead: /// ```no_run /// struct Cookie; + /// struct Biscuit; /// ``` #[clippy::version = "1.62.0"] pub EMPTY_STRUCTS_WITH_BRACKETS, @@ -32,14 +39,20 @@ declare_clippy_lint! { /// ### What it does /// Finds enum variants without fields that are declared with empty brackets. /// - /// ### Why is this bad? - /// Empty brackets while defining enum variants are redundant and can be omitted. + /// ### Why restrict this? + /// Empty brackets after a enum variant declaration are redundant and can be omitted, + /// and it may be desirable to do so consistently for style. + /// + /// However, removing the brackets also introduces a public constant named after the variant, + /// so this is not just a syntactic simplification but an an API change, and adding them back + /// is a *breaking* API change. /// /// ### Example /// ```no_run /// enum MyEnum { /// HasData(u8), - /// HasNoData(), // redundant parentheses + /// HasNoData(), // redundant parentheses + /// NoneHereEither {}, // redundant braces /// } /// ``` /// @@ -48,6 +61,7 @@ declare_clippy_lint! { /// enum MyEnum { /// HasData(u8), /// HasNoData, + /// NoneHereEither, /// } /// ``` #[clippy::version = "1.77.0"] diff --git a/clippy_lints/src/endian_bytes.rs b/clippy_lints/src/endian_bytes.rs index dd03df797de3..bb766e963387 100644 --- a/clippy_lints/src/endian_bytes.rs +++ b/clippy_lints/src/endian_bytes.rs @@ -13,8 +13,9 @@ declare_clippy_lint! { /// ### What it does /// Checks for the usage of the `to_ne_bytes` method and/or the function `from_ne_bytes`. /// - /// ### Why is this bad? - /// It's not, but some may prefer to specify the target endianness explicitly. + /// ### Why restrict this? + /// To ensure use of explicitly chosen endianness rather than the target’s endianness, + /// such as when implementing network protocols or file formats rather than FFI. /// /// ### Example /// ```rust,ignore @@ -31,9 +32,8 @@ declare_clippy_lint! { /// ### What it does /// Checks for the usage of the `to_le_bytes` method and/or the function `from_le_bytes`. /// - /// ### Why is this bad? - /// It's not, but some may wish to lint usage of this method, either to suggest using the host - /// endianness or big endian. + /// ### Why restrict this? + /// To ensure use of big endian or the target’s endianness rather than little endian. /// /// ### Example /// ```rust,ignore @@ -50,9 +50,8 @@ declare_clippy_lint! { /// ### What it does /// Checks for the usage of the `to_be_bytes` method and/or the function `from_be_bytes`. /// - /// ### Why is this bad? - /// It's not, but some may wish to lint usage of this method, either to suggest using the host - /// endianness or little endian. + /// ### Why restrict this? + /// To ensure use of little endian or the target’s endianness rather than big endian. /// /// ### Example /// ```rust,ignore diff --git a/clippy_lints/src/error_impl_error.rs b/clippy_lints/src/error_impl_error.rs index 8dbb47fadc5d..8e49138cd26b 100644 --- a/clippy_lints/src/error_impl_error.rs +++ b/clippy_lints/src/error_impl_error.rs @@ -12,7 +12,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for types named `Error` that implement `Error`. /// - /// ### Why is this bad? + /// ### Why restrict this? /// It can become confusing when a codebase has 20 types all named `Error`, requiring either /// aliasing them in the `use` statement or qualifying them like `my_module::Error`. This /// hinders comprehension, as it requires you to memorize every variation of importing `Error` diff --git a/clippy_lints/src/exhaustive_items.rs b/clippy_lints/src/exhaustive_items.rs index 9ffda6457424..436dc8611bde 100644 --- a/clippy_lints/src/exhaustive_items.rs +++ b/clippy_lints/src/exhaustive_items.rs @@ -10,10 +10,10 @@ declare_clippy_lint! { /// ### What it does /// Warns on any exported `enum`s that are not tagged `#[non_exhaustive]` /// - /// ### Why is this bad? - /// Exhaustive enums are typically fine, but a project which does - /// not wish to make a stability commitment around exported enums may wish to - /// disable them by default. + /// ### Why restrict this? + /// Making an `enum` exhaustive is a stability commitment: adding a variant is a breaking change. + /// A project may wish to ensure that there are no exhaustive enums or that every exhaustive + /// `enum` is explicitly `#[allow]`ed. /// /// ### Example /// ```no_run @@ -40,10 +40,10 @@ declare_clippy_lint! { /// ### What it does /// Warns on any exported `struct`s that are not tagged `#[non_exhaustive]` /// - /// ### Why is this bad? - /// Exhaustive structs are typically fine, but a project which does - /// not wish to make a stability commitment around exported structs may wish to - /// disable them by default. + /// ### Why restrict this? + /// Making a `struct` exhaustive is a stability commitment: adding a field is a breaking change. + /// A project may wish to ensure that there are no exhaustive structs or that every exhaustive + /// `struct` is explicitly `#[allow]`ed. /// /// ### Example /// ```no_run diff --git a/clippy_lints/src/exit.rs b/clippy_lints/src/exit.rs index 106844dd4348..91c94d66458d 100644 --- a/clippy_lints/src/exit.rs +++ b/clippy_lints/src/exit.rs @@ -9,11 +9,13 @@ declare_clippy_lint! { /// ### What it does /// Detects calls to the `exit()` function which terminates the program. /// - /// ### Why is this bad? - /// Exit terminates the program at the location it is called. For unrecoverable - /// errors `panics` should be used to provide a stacktrace and potentially other - /// information. A normal termination or one with an error code should happen in - /// the main function. + /// ### Why restrict this? + /// `exit()` immediately terminates the program with no information other than an exit code. + /// This provides no means to troubleshoot a problem, and may be an unexpected side effect. + /// + /// Codebases may use this lint to require that all exits are performed either by panicking + /// (which produces a message, a code location, and optionally a backtrace) + /// or by returning from `main()` (which is a single place to look). /// /// ### Example /// ```no_run diff --git a/clippy_lints/src/float_literal.rs b/clippy_lints/src/float_literal.rs index 2cd4e9e99a56..4ec9bd757ff4 100644 --- a/clippy_lints/src/float_literal.rs +++ b/clippy_lints/src/float_literal.rs @@ -38,9 +38,9 @@ declare_clippy_lint! { /// Checks for whole number float literals that /// cannot be represented as the underlying type without loss. /// - /// ### Why is this bad? - /// Rust will silently lose precision during - /// conversion to a float. + /// ### Why restrict this? + /// If the value was intended to be exact, it will not be. + /// This may be especially surprising when the lost precision is to the left of the decimal point. /// /// ### Example /// ```no_run diff --git a/clippy_lints/src/format_push_string.rs b/clippy_lints/src/format_push_string.rs index 2b08437d8271..a75538dd329b 100644 --- a/clippy_lints/src/format_push_string.rs +++ b/clippy_lints/src/format_push_string.rs @@ -11,7 +11,7 @@ declare_clippy_lint! { /// Detects cases where the result of a `format!` call is /// appended to an existing `String`. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Introduces an extra, avoidable heap allocation. /// /// ### Known problems diff --git a/clippy_lints/src/functions/mod.rs b/clippy_lints/src/functions/mod.rs index dfcaac9abefc..26534492dddd 100644 --- a/clippy_lints/src/functions/mod.rs +++ b/clippy_lints/src/functions/mod.rs @@ -338,8 +338,10 @@ declare_clippy_lint! { declare_clippy_lint! { /// ### What it does /// Lints when `impl Trait` is being used in a function's parameters. - /// ### Why is this bad? - /// Turbofish syntax (`::<>`) cannot be used when `impl Trait` is being used, making `impl Trait` less powerful. Readability may also be a factor. + /// + /// ### Why restrict this? + /// Turbofish syntax (`::<>`) cannot be used to specify the type of an `impl Trait` parameter, + /// making `impl Trait` less powerful. Readability may also be a factor. /// /// ### Example /// ```no_run @@ -366,9 +368,8 @@ declare_clippy_lint! { /// Lints when the name of function parameters from trait impl is /// different than its default implementation. /// - /// ### Why is this bad? - /// Using the default name for parameters of a trait method is often - /// more desirable for consistency's sake. + /// ### Why restrict this? + /// Using the default name for parameters of a trait method is more consistent. /// /// ### Example /// ```rust diff --git a/clippy_lints/src/if_then_some_else_none.rs b/clippy_lints/src/if_then_some_else_none.rs index f5ba62ae432e..0b2008152198 100644 --- a/clippy_lints/src/if_then_some_else_none.rs +++ b/clippy_lints/src/if_then_some_else_none.rs @@ -15,7 +15,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for if-else that could be written using either `bool::then` or `bool::then_some`. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Looks a little redundant. Using `bool::then` is more concise and incurs no loss of clarity. /// For simple calculations and known values, use `bool::then_some`, which is eagerly evaluated /// in comparison to `bool::then`. diff --git a/clippy_lints/src/implicit_return.rs b/clippy_lints/src/implicit_return.rs index 5288efd8df8c..cc342007ec61 100644 --- a/clippy_lints/src/implicit_return.rs +++ b/clippy_lints/src/implicit_return.rs @@ -16,12 +16,13 @@ declare_clippy_lint! { /// ### What it does /// Checks for missing return statements at the end of a block. /// - /// ### Why is this bad? - /// Actually omitting the return keyword is idiomatic Rust code. Programmers - /// coming from other languages might prefer the expressiveness of `return`. It's possible to miss - /// the last returning statement because the only difference is a missing `;`. Especially in bigger - /// code with multiple return paths having a `return` keyword makes it easier to find the - /// corresponding statements. + /// ### Why restrict this? + /// Omitting the return keyword whenever possible is idiomatic Rust code, but: + /// + /// * Programmers coming from other languages might prefer the expressiveness of `return`. + /// * It's possible to miss the last returning statement because the only difference is a missing `;`. + /// * Especially in bigger code with multiple return paths, having a `return` keyword makes it easier to find the + /// corresponding statements. /// /// ### Example /// ```no_run diff --git a/clippy_lints/src/indexing_slicing.rs b/clippy_lints/src/indexing_slicing.rs index 35fcd8cdd354..e3e79749bea6 100644 --- a/clippy_lints/src/indexing_slicing.rs +++ b/clippy_lints/src/indexing_slicing.rs @@ -45,9 +45,10 @@ declare_clippy_lint! { /// does report on arrays if we can tell that slicing operations are in bounds and does not /// lint on constant `usize` indexing on arrays because that is handled by rustc's `const_err` lint. /// - /// ### Why is this bad? - /// Indexing and slicing can panic at runtime and there are - /// safe alternatives. + /// ### Why restrict this? + /// To avoid implicit panics from indexing and slicing. + /// There are “checked” alternatives which do not panic, and can be used with `unwrap()` to make + /// an explicit panic when it is desired. /// /// ### Example /// ```rust,no_run diff --git a/clippy_lints/src/inherent_impl.rs b/clippy_lints/src/inherent_impl.rs index 1127f00abde0..95ae591884bc 100644 --- a/clippy_lints/src/inherent_impl.rs +++ b/clippy_lints/src/inherent_impl.rs @@ -14,7 +14,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for multiple inherent implementations of a struct /// - /// ### Why is this bad? + /// ### Why restrict this? /// Splitting the implementation of a type makes the code harder to navigate. /// /// ### Example diff --git a/clippy_lints/src/integer_division_remainder_used.rs b/clippy_lints/src/integer_division_remainder_used.rs index a3577b765c03..cf598d5045ec 100644 --- a/clippy_lints/src/integer_division_remainder_used.rs +++ b/clippy_lints/src/integer_division_remainder_used.rs @@ -7,10 +7,10 @@ use rustc_session::declare_lint_pass; declare_clippy_lint! { /// ### What it does - /// Checks for the usage of division (/) and remainder (%) operations - /// when performed on any integer types using the default Div and Rem trait implementations. + /// Checks for the usage of division (`/`) and remainder (`%`) operations + /// when performed on any integer types using the default `Div` and `Rem` trait implementations. /// - /// ### Why is this bad? + /// ### Why restrict this? /// In cryptographic contexts, division can result in timing sidechannel vulnerabilities, /// and needs to be replaced with constant-time code instead (e.g. Barrett reduction). /// diff --git a/clippy_lints/src/iter_over_hash_type.rs b/clippy_lints/src/iter_over_hash_type.rs index 6c6eff9ba48b..fb29d9824179 100644 --- a/clippy_lints/src/iter_over_hash_type.rs +++ b/clippy_lints/src/iter_over_hash_type.rs @@ -14,8 +14,8 @@ declare_clippy_lint! { /// ### What it does /// This is a restriction lint which prevents the use of hash types (i.e., `HashSet` and `HashMap`) in for loops. /// - /// ### Why is this bad? - /// Because hash types are unordered, when iterated through such as in a for loop, the values are returned in + /// ### Why restrict this? + /// Because hash types are unordered, when iterated through such as in a `for` loop, the values are returned in /// an undefined order. As a result, on redundant systems this may cause inconsistencies and anomalies. /// In addition, the unknown order of the elements may reduce readability or introduce other undesired /// side effects. diff --git a/clippy_lints/src/large_include_file.rs b/clippy_lints/src/large_include_file.rs index 790bed580fd1..07efee159aab 100644 --- a/clippy_lints/src/large_include_file.rs +++ b/clippy_lints/src/large_include_file.rs @@ -10,10 +10,12 @@ use rustc_span::sym; declare_clippy_lint! { /// ### What it does /// Checks for the inclusion of large files via `include_bytes!()` - /// and `include_str!()` + /// or `include_str!()`. /// - /// ### Why is this bad? - /// Including large files can increase the size of the binary + /// ### Why restrict this? + /// Including large files can undesirably increase the size of the binary produced by the compiler. + /// This lint may be used to catch mistakes where an unexpectedly large file is included, or + /// temporarily to obtain a list of all large files. /// /// ### Example /// ```rust,ignore diff --git a/clippy_lints/src/let_underscore.rs b/clippy_lints/src/let_underscore.rs index 619e933b4fff..9fd4f509aa47 100644 --- a/clippy_lints/src/let_underscore.rs +++ b/clippy_lints/src/let_underscore.rs @@ -12,9 +12,8 @@ declare_clippy_lint! { /// ### What it does /// Checks for `let _ = ` where expr is `#[must_use]` /// - /// ### Why is this bad? - /// It's better to explicitly handle the value of a `#[must_use]` - /// expr + /// ### Why restrict this? + /// To ensure that all `#[must_use]` types are used rather than ignored. /// /// ### Example /// ```no_run @@ -96,8 +95,8 @@ declare_clippy_lint! { /// Checks for `let _ = ` without a type annotation, and suggests to either provide one, /// or remove the `let` keyword altogether. /// - /// ### Why is this bad? - /// The `let _ = ` expression ignores the value of `` but will remain doing so even + /// ### Why restrict this? + /// The `let _ = ` expression ignores the value of ``, but will continue to do so even /// if the type were to change, thus potentially introducing subtle bugs. By supplying a type /// annotation, one will be forced to re-visit the decision to ignore the value in such cases. /// diff --git a/clippy_lints/src/literal_representation.rs b/clippy_lints/src/literal_representation.rs index 2348dd18220f..d2a140a36a83 100644 --- a/clippy_lints/src/literal_representation.rs +++ b/clippy_lints/src/literal_representation.rs @@ -132,8 +132,8 @@ declare_clippy_lint! { /// ### What it does /// Warns if there is a better representation for a numeric literal. /// - /// ### Why is this bad? - /// Especially for big powers of 2 a hexadecimal representation is more + /// ### Why restrict this? + /// Especially for big powers of 2, a hexadecimal representation is usually more /// readable than a decimal representation. /// /// ### Example diff --git a/clippy_lints/src/loops/mod.rs b/clippy_lints/src/loops/mod.rs index 3dcb050d77e6..086829421530 100644 --- a/clippy_lints/src/loops/mod.rs +++ b/clippy_lints/src/loops/mod.rs @@ -675,9 +675,9 @@ declare_clippy_lint! { /// Checks for infinite loops in a function where the return type is not `!` /// and lint accordingly. /// - /// ### Why is this bad? - /// A loop should be gently exited somewhere, or at least mark its parent function as - /// never return (`!`). + /// ### Why restrict this? + /// Making the return type `!` serves as documentation that the function does not return. + /// If the function is not intended to loop infinitely, then this lint may detect a bug. /// /// ### Example /// ```no_run,ignore diff --git a/clippy_lints/src/matches/mod.rs b/clippy_lints/src/matches/mod.rs index ee9f48d71ad8..691ecd57535a 100644 --- a/clippy_lints/src/matches/mod.rs +++ b/clippy_lints/src/matches/mod.rs @@ -260,7 +260,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for wildcard enum matches using `_`. /// - /// ### Why is this bad? + /// ### Why restrict this? /// New enum variants added by library updates can be missed. /// /// ### Known problems @@ -435,7 +435,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for unnecessary '..' pattern binding on struct when all fields are explicitly matched. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Correctness and readability. It's like having a wildcard pattern after /// matching all enum variants explicitly. /// @@ -861,7 +861,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for usage of `Err(x)?`. /// - /// ### Why is this bad? + /// ### Why restrict this? /// The `?` operator is designed to allow calls that /// can fail to be easily chained. For example, `foo()?.bar()` or /// `foo(bar()?)`. Because `Err(x)?` can't be used that way (it will diff --git a/clippy_lints/src/methods/mod.rs b/clippy_lints/src/methods/mod.rs index 60666445d08b..13c5f537ca40 100644 --- a/clippy_lints/src/methods/mod.rs +++ b/clippy_lints/src/methods/mod.rs @@ -257,7 +257,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for `.unwrap()` or `.unwrap_err()` calls on `Result`s and `.unwrap()` call on `Option`s. /// - /// ### Why is this bad? + /// ### Why restrict this? /// It is better to handle the `None` or `Err` case, /// or at least call `.expect(_)` with a more helpful message. Still, for a lot of /// quick-and-dirty code, `unwrap` is a good choice, which is why this lint is @@ -333,7 +333,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for `.expect()` or `.expect_err()` calls on `Result`s and `.expect()` call on `Option`s. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Usually it is better to handle the `None` or `Err` case. /// Still, for a lot of quick-and-dirty code, `expect` is a good choice, which is why /// this lint is `Allow` by default. @@ -1029,8 +1029,8 @@ declare_clippy_lint! { /// (`Rc`, `Arc`, `rc::Weak`, or `sync::Weak`), and suggests calling Clone via unified /// function syntax instead (e.g., `Rc::clone(foo)`). /// - /// ### Why is this bad? - /// Calling '.clone()' on an Rc, Arc, or Weak + /// ### Why restrict this? + /// Calling `.clone()` on an `Rc`, `Arc`, or `Weak` /// can obscure the fact that only the pointer is being cloned, not the underlying /// data. /// @@ -1051,7 +1051,7 @@ declare_clippy_lint! { #[clippy::version = "pre 1.29.0"] pub CLONE_ON_REF_PTR, restriction, - "using 'clone' on a ref-counted pointer" + "using `clone` on a ref-counted pointer" } declare_clippy_lint! { @@ -1359,7 +1359,7 @@ declare_clippy_lint! { /// Checks for usage of `.get().unwrap()` (or /// `.get_mut().unwrap`) on a standard library type which implements `Index` /// - /// ### Why is this bad? + /// ### Why restrict this? /// Using the Index trait (`[]`) is more clear and more /// concise. /// @@ -1743,7 +1743,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for `FileType::is_file()`. /// - /// ### Why is this bad? + /// ### Why restrict this? /// When people testing a file type with `FileType::is_file` /// they are testing whether a path is something they can get bytes from. But /// `is_file` doesn't cover special file types in unix-like systems, and doesn't cover @@ -2688,8 +2688,9 @@ declare_clippy_lint! { /// ### What it does /// Checks for instances of `map_err(|_| Some::Enum)` /// - /// ### Why is this bad? - /// This `map_err` throws away the original error rather than allowing the enum to contain and report the cause of the error + /// ### Why restrict this? + /// This `map_err` throws away the original error rather than allowing the enum to + /// contain and report the cause of the error. /// /// ### Example /// Before: @@ -3145,7 +3146,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for usage of File::read_to_end and File::read_to_string. /// - /// ### Why is this bad? + /// ### Why restrict this? /// `fs::{read, read_to_string}` provide the same functionality when `buf` is empty with fewer imports and no intermediate values. /// See also: [fs::read docs](https://doc.rust-lang.org/std/fs/fn.read.html), [fs::read_to_string docs](https://doc.rust-lang.org/std/fs/fn.read_to_string.html) /// diff --git a/clippy_lints/src/min_ident_chars.rs b/clippy_lints/src/min_ident_chars.rs index c6b7f5b0ce27..e43b712021ae 100644 --- a/clippy_lints/src/min_ident_chars.rs +++ b/clippy_lints/src/min_ident_chars.rs @@ -12,14 +12,13 @@ use std::borrow::Cow; declare_clippy_lint! { /// ### What it does - /// Checks for idents which comprise of a single letter. + /// Checks for identifiers which consist of a single character (or fewer than the configured threshold). /// /// Note: This lint can be very noisy when enabled; it may be desirable to only enable it /// temporarily. /// - /// ### Why is this bad? - /// In many cases it's not, but at times it can severely hinder readability. Some codebases may - /// wish to disallow this to improve readability. + /// ### Why restrict this? + /// To improve readability by requiring that every variable has a name more specific than a single letter can be. /// /// ### Example /// ```rust,ignore diff --git a/clippy_lints/src/misc_early/mod.rs b/clippy_lints/src/misc_early/mod.rs index 2f5499d7656f..fedcfd11fdcc 100644 --- a/clippy_lints/src/misc_early/mod.rs +++ b/clippy_lints/src/misc_early/mod.rs @@ -23,7 +23,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for structure field patterns bound to wildcards. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Using `..` instead is shorter and leaves the focus on /// the fields that are actually bound. /// @@ -138,7 +138,7 @@ declare_clippy_lint! { /// To enforce unseparated literal suffix style, /// see the `separated_literal_suffix` lint. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Suffix style should be consistent. /// /// ### Example @@ -166,7 +166,7 @@ declare_clippy_lint! { /// To enforce separated literal suffix style, /// see the `unseparated_literal_suffix` lint. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Suffix style should be consistent. /// /// ### Example diff --git a/clippy_lints/src/missing_assert_message.rs b/clippy_lints/src/missing_assert_message.rs index 04df7b7a7e5a..dd98352da860 100644 --- a/clippy_lints/src/missing_assert_message.rs +++ b/clippy_lints/src/missing_assert_message.rs @@ -10,7 +10,7 @@ declare_clippy_lint! { /// ### What it does /// Checks assertions without a custom panic message. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Without a good custom message, it'd be hard to understand what went wrong when the assertion fails. /// A good custom message should be more about why the failure of the assertion is problematic /// and not what is failed because the assertion already conveys that. diff --git a/clippy_lints/src/missing_asserts_for_indexing.rs b/clippy_lints/src/missing_asserts_for_indexing.rs index c29e46b941c6..752723a0c68e 100644 --- a/clippy_lints/src/missing_asserts_for_indexing.rs +++ b/clippy_lints/src/missing_asserts_for_indexing.rs @@ -21,7 +21,7 @@ declare_clippy_lint! { /// Checks for repeated slice indexing without asserting beforehand that the length /// is greater than the largest index used to index into the slice. /// - /// ### Why is this bad? + /// ### Why restrict this? /// In the general case where the compiler does not have a lot of information /// about the length of a slice, indexing it repeatedly will generate a bounds check /// for every single index. diff --git a/clippy_lints/src/missing_doc.rs b/clippy_lints/src/missing_doc.rs index 2fb784dae1cd..ca344dc5c810 100644 --- a/clippy_lints/src/missing_doc.rs +++ b/clippy_lints/src/missing_doc.rs @@ -20,9 +20,9 @@ use rustc_span::{sym, Span}; declare_clippy_lint! { /// ### What it does - /// Warns if there is missing doc for any private documentable item + /// Warns if there is missing documentation for any private documentable item. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Doc is good. *rustc* has a `MISSING_DOCS` /// allowed-by-default lint for /// public members, but has no way to enforce documentation of private items. diff --git a/clippy_lints/src/missing_inline.rs b/clippy_lints/src/missing_inline.rs index c6a76478806a..33a14d8b7fed 100644 --- a/clippy_lints/src/missing_inline.rs +++ b/clippy_lints/src/missing_inline.rs @@ -10,13 +10,16 @@ declare_clippy_lint! { /// It lints if an exported function, method, trait method with default impl, /// or trait method impl is not `#[inline]`. /// - /// ### Why is this bad? - /// In general, it is not. Functions can be inlined across - /// crates when that's profitable as long as any form of LTO is used. When LTO is disabled, - /// functions that are not `#[inline]` cannot be inlined across crates. Certain types of crates - /// might intend for most of the methods in their public API to be able to be inlined across - /// crates even when LTO is disabled. For these types of crates, enabling this lint might make - /// sense. It allows the crate to require all exported methods to be `#[inline]` by default, and + /// ### Why restrict this? + /// When a function is not marked `#[inline]`, it is not + /// [a “small” candidate for automatic inlining][small], and LTO is not in use, then it is not + /// possible for the function to be inlined into the code of any crate other than the one in + /// which it is defined. Depending on the role of the function and the relationship of the crates, + /// this could significantly reduce performance. + /// + /// Certain types of crates might intend for most of the methods in their public API to be able + /// to be inlined across crates even when LTO is disabled. + /// This lint allows those crates to require all exported methods to be `#[inline]` by default, and /// then opt out for specific methods where this might not make sense. /// /// ### Example @@ -51,6 +54,8 @@ declare_clippy_lint! { /// fn def_bar() {} // missing #[inline] /// } /// ``` + /// + /// [small]: https://github.com/rust-lang/rust/pull/116505 #[clippy::version = "pre 1.29.0"] pub MISSING_INLINE_IN_PUBLIC_ITEMS, restriction, diff --git a/clippy_lints/src/missing_trait_methods.rs b/clippy_lints/src/missing_trait_methods.rs index 6f844bc646a2..85029a5e6a0d 100644 --- a/clippy_lints/src/missing_trait_methods.rs +++ b/clippy_lints/src/missing_trait_methods.rs @@ -10,16 +10,16 @@ use rustc_session::declare_lint_pass; declare_clippy_lint! { /// ### What it does /// Checks if a provided method is used implicitly by a trait - /// implementation. A usage example would be a wrapper where every method - /// should perform some operation before delegating to the inner type's /// implementation. /// + /// ### Why restrict this? + /// To ensure that a certain implementation implements every method; for example, + /// a wrapper type where every method should delegate to the corresponding method of + /// the inner type's implementation. + /// /// This lint should typically be enabled on a specific trait `impl` item /// rather than globally. /// - /// ### Why is this bad? - /// Indicates that a method is missing. - /// /// ### Example /// ```no_run /// trait Trait { diff --git a/clippy_lints/src/mixed_read_write_in_expression.rs b/clippy_lints/src/mixed_read_write_in_expression.rs index 181351910db6..9c5a8a0cfcdf 100644 --- a/clippy_lints/src/mixed_read_write_in_expression.rs +++ b/clippy_lints/src/mixed_read_write_in_expression.rs @@ -12,9 +12,10 @@ declare_clippy_lint! { /// whether the read occurs before or after the write depends on the evaluation /// order of sub-expressions. /// - /// ### Why is this bad? - /// It is often confusing to read. As described [here](https://doc.rust-lang.org/reference/expressions.html?highlight=subexpression#evaluation-order-of-operands), - /// the operands of these expressions are evaluated before applying the effects of the expression. + /// ### Why restrict this? + /// While [the evaluation order of sub-expressions] is fully specified in Rust, + /// it still may be confusing to read an expression where the evaluation order + /// affects its behavior. /// /// ### Known problems /// Code which intentionally depends on the evaluation @@ -40,6 +41,8 @@ declare_clippy_lint! { /// }; /// let a = tmp + x; /// ``` + /// + /// [order]: (https://doc.rust-lang.org/reference/expressions.html?highlight=subexpression#evaluation-order-of-operands) #[clippy::version = "pre 1.29.0"] pub MIXED_READ_WRITE_IN_EXPRESSION, restriction, diff --git a/clippy_lints/src/module_style.rs b/clippy_lints/src/module_style.rs index 6c031c081750..305499f9da43 100644 --- a/clippy_lints/src/module_style.rs +++ b/clippy_lints/src/module_style.rs @@ -10,9 +10,9 @@ use std::path::{Component, Path}; declare_clippy_lint! { /// ### What it does - /// Checks that module layout uses only self named module files, bans `mod.rs` files. + /// Checks that module layout uses only self named module files; bans `mod.rs` files. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Having multiple module layout styles in a project can be confusing. /// /// ### Example @@ -41,7 +41,7 @@ declare_clippy_lint! { /// ### What it does /// Checks that module layout uses only `mod.rs` files. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Having multiple module layout styles in a project can be confusing. /// /// ### Example diff --git a/clippy_lints/src/multiple_unsafe_ops_per_block.rs b/clippy_lints/src/multiple_unsafe_ops_per_block.rs index 0e1380667805..6830d48cfd8c 100644 --- a/clippy_lints/src/multiple_unsafe_ops_per_block.rs +++ b/clippy_lints/src/multiple_unsafe_ops_per_block.rs @@ -15,7 +15,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for `unsafe` blocks that contain more than one unsafe operation. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Combined with `undocumented_unsafe_blocks`, /// this lint ensures that each unsafe operation must be independently justified. /// Combined with `unused_unsafe`, this lint also ensures diff --git a/clippy_lints/src/mutex_atomic.rs b/clippy_lints/src/mutex_atomic.rs index 7ecc86176942..853e476a006c 100644 --- a/clippy_lints/src/mutex_atomic.rs +++ b/clippy_lints/src/mutex_atomic.rs @@ -14,7 +14,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for usage of `Mutex` where an atomic will do. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Using a mutex just to make access to a plain bool or /// reference sequential is shooting flies with cannons. /// `std::sync::atomic::AtomicBool` and `std::sync::atomic::AtomicPtr` are leaner and diff --git a/clippy_lints/src/operators/mod.rs b/clippy_lints/src/operators/mod.rs index e002429e3a47..0948973df5a3 100644 --- a/clippy_lints/src/operators/mod.rs +++ b/clippy_lints/src/operators/mod.rs @@ -70,7 +70,7 @@ declare_clippy_lint! { /// Known safe built-in types like `Wrapping` or `Saturating`, floats, operations in constant /// environments, allowed types and non-constant operations that won't overflow are ignored. /// - /// ### Why is this bad? + /// ### Why restrict this? /// For integers, overflow will trigger a panic in debug builds or wrap the result in /// release mode; division by zero will cause a panic in either mode. As a result, it is /// desirable to explicitly call checked, wrapping or saturating arithmetic methods. @@ -100,7 +100,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for float arithmetic. /// - /// ### Why is this bad? + /// ### Why restrict this? /// For some embedded systems or kernel development, it /// can be useful to rule out floating-point numbers. /// @@ -502,7 +502,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for division of integers /// - /// ### Why is this bad? + /// ### Why restrict this? /// When outside of some very specific algorithms, /// integer division is very often a mistake because it discards the /// remainder. @@ -596,7 +596,7 @@ declare_clippy_lint! { /// value and constant, except in functions called `*eq*` (which probably /// implement equality for a type involving floats). /// - /// ### Why is this bad? + /// ### Why restrict this? /// Floating point calculations are usually imprecise, so /// asking if two values are *exactly* equal is asking for trouble. For a good /// guide on what to do, see [the floating point @@ -653,8 +653,8 @@ declare_clippy_lint! { /// ### What it does /// Checks for modulo arithmetic. /// - /// ### Why is this bad? - /// The results of modulo (%) operation might differ + /// ### Why restrict this? + /// The results of modulo (`%`) operation might differ /// depending on the language, when negative numbers are involved. /// If you interop with different languages it might be beneficial /// to double check all places that use modulo arithmetic. diff --git a/clippy_lints/src/panic_in_result_fn.rs b/clippy_lints/src/panic_in_result_fn.rs index f821a4efee7b..806638c0505b 100644 --- a/clippy_lints/src/panic_in_result_fn.rs +++ b/clippy_lints/src/panic_in_result_fn.rs @@ -13,9 +13,9 @@ use rustc_span::{sym, Span}; declare_clippy_lint! { /// ### What it does - /// Checks for usage of `panic!` or assertions in a function of type result. + /// Checks for usage of `panic!` or assertions in a function whose return type is `Result`. /// - /// ### Why is this bad? + /// ### Why restrict this? /// For some codebases, it is desirable for functions of type result to return an error instead of crashing. Hence panicking macros should be avoided. /// /// ### Known problems diff --git a/clippy_lints/src/panic_unimplemented.rs b/clippy_lints/src/panic_unimplemented.rs index 75066c1f0d2e..80ef761906e0 100644 --- a/clippy_lints/src/panic_unimplemented.rs +++ b/clippy_lints/src/panic_unimplemented.rs @@ -14,8 +14,8 @@ declare_clippy_lint! { /// ### What it does /// Checks for usage of `panic!`. /// - /// ### Why is this bad? - /// `panic!` will stop the execution of the executable. + /// ### Why restrict this? + /// This macro, or panics in general, may be unwanted in production code. /// /// ### Example /// ```no_run @@ -31,8 +31,8 @@ declare_clippy_lint! { /// ### What it does /// Checks for usage of `unimplemented!`. /// - /// ### Why is this bad? - /// This macro should not be present in production code. + /// ### Why restrict this? + /// This macro, or panics in general, may be unwanted in production code. /// /// ### Example /// ```no_run @@ -48,9 +48,9 @@ declare_clippy_lint! { /// ### What it does /// Checks for usage of `todo!`. /// - /// ### Why is this bad? - /// The `todo!` macro is often used for unfinished code, and it causes - /// code to panic. It should not be present in production code. + /// ### Why restrict this? + /// The `todo!` macro indicates the presence of unfinished code, + /// so it should not be present in production code. /// /// ### Example /// ```no_run @@ -70,8 +70,8 @@ declare_clippy_lint! { /// ### What it does /// Checks for usage of `unreachable!`. /// - /// ### Why is this bad? - /// This macro can cause code to panic. + /// ### Why restrict this? + /// This macro, or panics in general, may be unwanted in production code. /// /// ### Example /// ```no_run diff --git a/clippy_lints/src/partial_pub_fields.rs b/clippy_lints/src/partial_pub_fields.rs index ffa403e27ca3..2d20cbea698f 100644 --- a/clippy_lints/src/partial_pub_fields.rs +++ b/clippy_lints/src/partial_pub_fields.rs @@ -5,15 +5,16 @@ use rustc_session::declare_lint_pass; declare_clippy_lint! { /// ### What it does - /// Checks whether partial fields of a struct are public. + /// Checks whether some but not all fields of a `struct` are public. /// /// Either make all fields of a type public, or make none of them public /// - /// ### Why is this bad? + /// ### Why restrict this? /// Most types should either be: /// * Abstract data types: complex objects with opaque implementation which guard - /// interior invariants and expose intentionally limited API to the outside world. - /// * Data: relatively simple objects which group a bunch of related attributes together. + /// interior invariants and expose intentionally limited API to the outside world. + /// * Data: relatively simple objects which group a bunch of related attributes together, + /// but have no invariants. /// /// ### Example /// ```no_run diff --git a/clippy_lints/src/pattern_type_mismatch.rs b/clippy_lints/src/pattern_type_mismatch.rs index 44db061b8bee..9661a57b8b95 100644 --- a/clippy_lints/src/pattern_type_mismatch.rs +++ b/clippy_lints/src/pattern_type_mismatch.rs @@ -30,9 +30,8 @@ declare_clippy_lint! { /// this lint can still be used to highlight areas of interest and ensure a good understanding /// of ownership semantics. /// - /// ### Why is this bad? - /// It isn't bad in general. But in some contexts it can be desirable - /// because it increases ownership hints in the code, and will guard against some changes + /// ### Why restrict this? + /// It increases ownership hints in the code, and will guard against some changes /// in ownership. /// /// ### Example diff --git a/clippy_lints/src/pub_use.rs b/clippy_lints/src/pub_use.rs index c0e999e76ef2..ab8f8a1689dc 100644 --- a/clippy_lints/src/pub_use.rs +++ b/clippy_lints/src/pub_use.rs @@ -5,13 +5,11 @@ use rustc_session::declare_lint_pass; declare_clippy_lint! { /// ### What it does - /// /// Restricts the usage of `pub use ...` /// - /// ### Why is this bad? - /// - /// `pub use` is usually fine, but a project may wish to limit `pub use` instances to prevent - /// unintentional exports or to encourage placing exported items directly in public modules + /// ### Why restrict this? + /// A project may wish to limit `pub use` instances to prevent + /// unintentional exports, or to encourage placing exported items directly in public modules. /// /// ### Example /// ```no_run diff --git a/clippy_lints/src/question_mark_used.rs b/clippy_lints/src/question_mark_used.rs index ddfc53083c46..f5e6cb804da1 100644 --- a/clippy_lints/src/question_mark_used.rs +++ b/clippy_lints/src/question_mark_used.rs @@ -9,7 +9,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for expressions that use the question mark operator and rejects them. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Sometimes code wants to avoid the question mark operator because for instance a local /// block requires a macro to re-throw errors to attach additional information to the /// error. diff --git a/clippy_lints/src/raw_strings.rs b/clippy_lints/src/raw_strings.rs index 7e71f48c6d9a..3a0042454592 100644 --- a/clippy_lints/src/raw_strings.rs +++ b/clippy_lints/src/raw_strings.rs @@ -15,8 +15,10 @@ declare_clippy_lint! { /// ### What it does /// Checks for raw string literals where a string literal can be used instead. /// - /// ### Why is this bad? - /// It's just unnecessary, but there are many cases where using a raw string literal is more + /// ### Why restrict this? + /// For consistent style by using simpler string literals whenever possible. + /// + /// However, there are many cases where using a raw string literal is more /// idiomatic than a string literal, so it's opt-in. /// /// ### Example diff --git a/clippy_lints/src/redundant_slicing.rs b/clippy_lints/src/redundant_slicing.rs index c99b657c23a2..7f87d18e5023 100644 --- a/clippy_lints/src/redundant_slicing.rs +++ b/clippy_lints/src/redundant_slicing.rs @@ -46,7 +46,7 @@ declare_clippy_lint! { /// Checks for slicing expressions which are equivalent to dereferencing the /// value. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Some people may prefer to dereference rather than slice. /// /// ### Example diff --git a/clippy_lints/src/redundant_type_annotations.rs b/clippy_lints/src/redundant_type_annotations.rs index 11b95ee3a54c..81556f396141 100644 --- a/clippy_lints/src/redundant_type_annotations.rs +++ b/clippy_lints/src/redundant_type_annotations.rs @@ -11,7 +11,7 @@ declare_clippy_lint! { /// ### What it does /// Warns about needless / redundant type annotations. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Code without type annotations is shorter and in most cases /// more idiomatic and easier to modify. /// diff --git a/clippy_lints/src/ref_patterns.rs b/clippy_lints/src/ref_patterns.rs index 607a0740b843..467038523b49 100644 --- a/clippy_lints/src/ref_patterns.rs +++ b/clippy_lints/src/ref_patterns.rs @@ -6,9 +6,11 @@ use rustc_session::declare_lint_pass; declare_clippy_lint! { /// ### What it does /// Checks for usages of the `ref` keyword. - /// ### Why is this bad? + /// + /// ### Why restrict this? /// The `ref` keyword can be confusing for people unfamiliar with it, and often /// it is more concise to use `&` instead. + /// /// ### Example /// ```no_run /// let opt = Some(5); diff --git a/clippy_lints/src/same_name_method.rs b/clippy_lints/src/same_name_method.rs index 7e27f70bcf94..8fdd19c549f5 100644 --- a/clippy_lints/src/same_name_method.rs +++ b/clippy_lints/src/same_name_method.rs @@ -14,7 +14,7 @@ declare_clippy_lint! { /// It lints if a struct has two methods with the same name: /// one from a trait, another not from trait. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Confusing. /// /// ### Example diff --git a/clippy_lints/src/semicolon_block.rs b/clippy_lints/src/semicolon_block.rs index 0b3adfb7a4b8..0e77acdfd77f 100644 --- a/clippy_lints/src/semicolon_block.rs +++ b/clippy_lints/src/semicolon_block.rs @@ -11,8 +11,7 @@ declare_clippy_lint! { /// Suggests moving the semicolon after a block to the inside of the block, after its last /// expression. /// - /// ### Why is this bad? - /// + /// ### Why restrict this? /// For consistency it's best to have the semicolon inside/outside the block. Either way is fine /// and this lint suggests inside the block. /// Take a look at `semicolon_outside_block` for the other alternative. @@ -40,8 +39,7 @@ declare_clippy_lint! { /// /// Suggests moving the semicolon from a block's final expression outside of the block. /// - /// ### Why is this bad? - /// + /// ### Why restrict this? /// For consistency it's best to have the semicolon inside/outside the block. Either way is fine /// and this lint suggests outside the block. /// Take a look at `semicolon_inside_block` for the other alternative. diff --git a/clippy_lints/src/shadow.rs b/clippy_lints/src/shadow.rs index 9db08acb03b2..80f5fd0b4944 100644 --- a/clippy_lints/src/shadow.rs +++ b/clippy_lints/src/shadow.rs @@ -15,10 +15,10 @@ declare_clippy_lint! { /// Checks for bindings that shadow other bindings already in /// scope, while just changing reference level or mutability. /// - /// ### Why is this bad? - /// Not much, in fact it's a very common pattern in Rust - /// code. Still, some may opt to avoid it in their code base, they can set this - /// lint to `Warn`. + /// ### Why restrict this? + /// To require that what are formally distinct variables be given distinct names. + /// + /// See also `shadow_reuse` and `shadow_unrelated` for other restrictions on shadowing. /// /// ### Example /// ```no_run @@ -42,12 +42,13 @@ declare_clippy_lint! { /// Checks for bindings that shadow other bindings already in /// scope, while reusing the original value. /// - /// ### Why is this bad? - /// Not too much, in fact it's a common pattern in Rust - /// code. Still, some argue that name shadowing like this hurts readability, + /// ### Why restrict this? + /// Some argue that name shadowing like this hurts readability, /// because a value may be bound to different things depending on position in /// the code. /// + /// See also `shadow_same` and `shadow_unrelated` for other restrictions on shadowing. + /// /// ### Example /// ```no_run /// let x = 2; @@ -70,11 +71,14 @@ declare_clippy_lint! { /// scope, either without an initialization or with one that does not even use /// the original value. /// - /// ### Why is this bad? - /// Name shadowing can hurt readability, especially in + /// ### Why restrict this? + /// Shadowing a binding with a closely related one is part of idiomatic Rust, + /// but shadowing a binding by accident with an unrelated one may indicate a mistake. + /// + /// Additionally, name shadowing in general can hurt readability, especially in /// large code bases, because it is easy to lose track of the active binding at - /// any place in the code. This can be alleviated by either giving more specific - /// names to bindings or introducing more scopes to contain the bindings. + /// any place in the code. If linting against all shadowing is desired, you may wish + /// to use the `shadow_same` and `shadow_reuse` lints as well. /// /// ### Example /// ```no_run diff --git a/clippy_lints/src/single_call_fn.rs b/clippy_lints/src/single_call_fn.rs index 2ce7e714c642..c71bc3f7fcde 100644 --- a/clippy_lints/src/single_call_fn.rs +++ b/clippy_lints/src/single_call_fn.rs @@ -13,13 +13,20 @@ declare_clippy_lint! { /// ### What it does /// Checks for functions that are only used once. Does not lint tests. /// - /// ### Why is this bad? - /// It's usually not, splitting a function into multiple parts often improves readability and in - /// the case of generics, can prevent the compiler from duplicating the function dozens of - /// time; instead, only duplicating a thunk. But this can prevent segmentation across a - /// codebase, where many small functions are used only once. + /// ### Why restrict this? + /// If a function is only used once (perhaps because it used to be used more widely), + /// then the code could be simplified by moving that function's code into its caller. /// - /// Note: If this lint is used, prepare to allow this a lot. + /// However, there are reasons not to do this everywhere: + /// + /// * Splitting a large function into multiple parts often improves readability + /// by giving names to its parts. + /// * A function’s signature might serve a necessary purpose, such as constraining + /// the type of a closure passed to it. + /// * Generic functions might call non-generic functions to reduce duplication + /// in the produced machine code. + /// + /// If this lint is used, prepare to `#[allow]` it a lot. /// /// ### Example /// ```no_run diff --git a/clippy_lints/src/single_char_lifetime_names.rs b/clippy_lints/src/single_char_lifetime_names.rs index 42f1564db353..72feb977c310 100644 --- a/clippy_lints/src/single_char_lifetime_names.rs +++ b/clippy_lints/src/single_char_lifetime_names.rs @@ -9,11 +9,10 @@ declare_clippy_lint! { /// Checks for lifetimes with names which are one character /// long. /// - /// ### Why is this bad? + /// ### Why restrict this? /// A single character is likely not enough to express the /// purpose of a lifetime. Using a longer name can make code - /// easier to understand, especially for those who are new to - /// Rust. + /// easier to understand. /// /// ### Known problems /// Rust programmers and learning resources tend to use single diff --git a/clippy_lints/src/std_instead_of_core.rs b/clippy_lints/src/std_instead_of_core.rs index 926c56332cc1..12b70075a3d5 100644 --- a/clippy_lints/src/std_instead_of_core.rs +++ b/clippy_lints/src/std_instead_of_core.rs @@ -12,11 +12,9 @@ use rustc_span::{sym, Span}; declare_clippy_lint! { /// ### What it does - /// /// Finds items imported through `std` when available through `core`. /// - /// ### Why is this bad? - /// + /// ### Why restrict this? /// Crates which have `no_std` compatibility may wish to ensure types are imported from core to ensure /// disabling `std` does not cause the crate to fail to compile. This lint is also useful for crates /// migrating to become `no_std` compatible. @@ -37,11 +35,9 @@ declare_clippy_lint! { declare_clippy_lint! { /// ### What it does - /// /// Finds items imported through `std` when available through `alloc`. /// - /// ### Why is this bad? - /// + /// ### Why restrict this? /// Crates which have `no_std` compatibility and require alloc may wish to ensure types are imported from /// alloc to ensure disabling `std` does not cause the crate to fail to compile. This lint is also useful /// for crates migrating to become `no_std` compatible. @@ -63,11 +59,9 @@ declare_clippy_lint! { declare_clippy_lint! { /// ### What it does - /// /// Finds items imported through `alloc` when available through `core`. /// - /// ### Why is this bad? - /// + /// ### Why restrict this? /// Crates which have `no_std` compatibility and may optionally require alloc may wish to ensure types are /// imported from core to ensure disabling `alloc` does not cause the crate to fail to compile. This lint /// is also useful for crates migrating to become `no_std` compatible. diff --git a/clippy_lints/src/strings.rs b/clippy_lints/src/strings.rs index 292124196ff6..f8d36d6b92f6 100644 --- a/clippy_lints/src/strings.rs +++ b/clippy_lints/src/strings.rs @@ -45,10 +45,10 @@ declare_clippy_lint! { /// `String`, but only if [`string_add_assign`](#string_add_assign) does *not* /// match. /// - /// ### Why is this bad? - /// It's not bad in and of itself. However, this particular + /// ### Why restrict this? + /// This particular /// `Add` implementation is asymmetric (the other operand need not be `String`, - /// but `x` does), while addition as mathematically defined is symmetric, also + /// but `x` does), while addition as mathematically defined is symmetric, and /// the `String::push_str(_)` function is a perfectly good replacement. /// Therefore, some dislike it and wish not to have it in their code. /// @@ -123,7 +123,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for slice operations on strings /// - /// ### Why is this bad? + /// ### Why restrict this? /// UTF-8 characters span multiple bytes, and it is easy to inadvertently confuse character /// counts and string indices. This may lead to panics, and should warrant some test cases /// containing wide UTF-8 characters. This lint is most useful in code that should avoid @@ -364,10 +364,10 @@ declare_clippy_lint! { /// ### What it does /// This lint checks for `.to_string()` method calls on values of type `&str`. /// - /// ### Why is this bad? + /// ### Why restrict this? /// The `to_string` method is also used on other types to convert them to a string. - /// When called on a `&str` it turns the `&str` into the owned variant `String`, which can be better - /// expressed with `.to_owned()`. + /// When called on a `&str` it turns the `&str` into the owned variant `String`, which can be + /// more specifically expressed with `.to_owned()`. /// /// ### Example /// ```no_run @@ -415,9 +415,10 @@ declare_clippy_lint! { /// ### What it does /// This lint checks for `.to_string()` method calls on values of type `String`. /// - /// ### Why is this bad? + /// ### Why restrict this? /// The `to_string` method is also used on other types to convert them to a string. - /// When called on a `String` it only clones the `String`, which can be better expressed with `.clone()`. + /// When called on a `String` it only clones the `String`, which can be more specifically + /// expressed with `.clone()`. /// /// ### Example /// ```no_run diff --git a/clippy_lints/src/suspicious_xor_used_as_pow.rs b/clippy_lints/src/suspicious_xor_used_as_pow.rs index 1cc27670fa8b..d150a5f858aa 100644 --- a/clippy_lints/src/suspicious_xor_used_as_pow.rs +++ b/clippy_lints/src/suspicious_xor_used_as_pow.rs @@ -11,8 +11,10 @@ use rustc_session::declare_lint_pass; declare_clippy_lint! { /// ### What it does /// Warns for a Bitwise XOR (`^`) operator being probably confused as a powering. It will not trigger if any of the numbers are not in decimal. - /// ### Why is this bad? + /// + /// ### Why restrict this? /// It's most probably a typo and may lead to unexpected behaviours. + /// /// ### Example /// ```no_run /// let x = 3_i32 ^ 4_i32; diff --git a/clippy_lints/src/tests_outside_test_module.rs b/clippy_lints/src/tests_outside_test_module.rs index da5575826475..58e42892c41d 100644 --- a/clippy_lints/src/tests_outside_test_module.rs +++ b/clippy_lints/src/tests_outside_test_module.rs @@ -11,9 +11,11 @@ declare_clippy_lint! { /// ### What it does /// Triggers when a testing function (marked with the `#[test]` attribute) isn't inside a testing module /// (marked with `#[cfg(test)]`). - /// ### Why is this bad? + /// + /// ### Why restrict this? /// The idiomatic (and more performant) way of writing tests is inside a testing module (flagged with `#[cfg(test)]`), /// having test functions outside of this module is confusing and may lead to them being "hidden". + /// /// ### Example /// ```no_run /// #[test] diff --git a/clippy_lints/src/types/mod.rs b/clippy_lints/src/types/mod.rs index 5e45ab211efd..62ef65ca122f 100644 --- a/clippy_lints/src/types/mod.rs +++ b/clippy_lints/src/types/mod.rs @@ -217,7 +217,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for `Rc` and `Arc` when `T` is a mutable buffer type such as `String` or `Vec`. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Expressions such as `Rc` usually have no advantage over `Rc`, since /// it is larger and involves an extra level of indirection, and doesn't implement `Borrow`. /// @@ -274,7 +274,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for `Rc>`. /// - /// ### Why is this bad? + /// ### Why restrict this? /// `Rc` is used in single thread and `Mutex` is used in multi thread. /// Consider using `Rc>` in single thread or `Arc>` in multi thread. /// diff --git a/clippy_lints/src/undocumented_unsafe_blocks.rs b/clippy_lints/src/undocumented_unsafe_blocks.rs index cbd161800770..7e8c11cf25a3 100644 --- a/clippy_lints/src/undocumented_unsafe_blocks.rs +++ b/clippy_lints/src/undocumented_unsafe_blocks.rs @@ -38,10 +38,9 @@ declare_clippy_lint! { /// ); /// ``` /// - /// ### Why is this bad? - /// Undocumented unsafe blocks and impls can make it difficult to - /// read and maintain code, as well as uncover unsoundness - /// and bugs. + /// ### Why restrict this? + /// Undocumented unsafe blocks and impls can make it difficult to read and maintain code. + /// Writing out the safety justification may help in discovering unsoundness or bugs. /// /// ### Example /// ```no_run @@ -67,7 +66,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for `// SAFETY: ` comments on safe code. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Safe code has no safety requirements, so there is no need to /// describe safety invariants. /// diff --git a/clippy_lints/src/unicode.rs b/clippy_lints/src/unicode.rs index 3d319b9fe767..d42697b31d1f 100644 --- a/clippy_lints/src/unicode.rs +++ b/clippy_lints/src/unicode.rs @@ -31,7 +31,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for non-ASCII characters in string and char literals. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Yeah, we know, the 90's called and wanted their charset /// back. Even so, there still are editors and other programs out there that /// don't work well with Unicode. So if the code is meant to be used diff --git a/clippy_lints/src/unnecessary_self_imports.rs b/clippy_lints/src/unnecessary_self_imports.rs index 528a1dfcfc10..93dff1b85796 100644 --- a/clippy_lints/src/unnecessary_self_imports.rs +++ b/clippy_lints/src/unnecessary_self_imports.rs @@ -9,7 +9,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for imports ending in `::{self}`. /// - /// ### Why is this bad? + /// ### Why restrict this? /// In most cases, this can be written much more cleanly by omitting `::{self}`. /// /// ### Known problems diff --git a/clippy_lints/src/unwrap_in_result.rs b/clippy_lints/src/unwrap_in_result.rs index aca500590cef..197ab0f173bd 100644 --- a/clippy_lints/src/unwrap_in_result.rs +++ b/clippy_lints/src/unwrap_in_result.rs @@ -13,8 +13,10 @@ declare_clippy_lint! { /// ### What it does /// Checks for functions of type `Result` that contain `expect()` or `unwrap()` /// - /// ### Why is this bad? - /// These functions promote recoverable errors to non-recoverable errors which may be undesirable in code bases which wish to avoid panics. + /// ### Why restrict this? + /// These functions promote recoverable errors to non-recoverable errors, + /// which may be undesirable in code bases which wish to avoid panics, + /// or be a bug in the specific function. /// /// ### Known problems /// This can cause false positives in functions that handle both recoverable and non recoverable errors. diff --git a/clippy_lints/src/visibility.rs b/clippy_lints/src/visibility.rs index 9818b98dd5b4..11dcceca7abb 100644 --- a/clippy_lints/src/visibility.rs +++ b/clippy_lints/src/visibility.rs @@ -32,7 +32,7 @@ declare_clippy_lint! { /// ### What it does /// Checks for usage of `pub()` with `in`. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Consistency. Use it or don't, just be consistent about it. /// /// Also see the `pub_without_shorthand` lint for an alternative. @@ -57,7 +57,7 @@ declare_clippy_lint! { /// Note: As you cannot write a module's path in `pub()`, this will only trigger on /// `pub(super)` and the like. /// - /// ### Why is this bad? + /// ### Why restrict this? /// Consistency. Use it or don't, just be consistent about it. /// /// Also see the `pub_with_shorthand` lint for an alternative. diff --git a/clippy_lints/src/write.rs b/clippy_lints/src/write.rs index ff6ee0d10ad5..652ce88bd951 100644 --- a/clippy_lints/src/write.rs +++ b/clippy_lints/src/write.rs @@ -66,7 +66,7 @@ declare_clippy_lint! { /// Checks for printing on *stdout*. The purpose of this lint /// is to catch debugging remnants. /// - /// ### Why is this bad? + /// ### Why restrict this? /// People often print on *stdout* while debugging an /// application and might forget to remove those prints afterward. /// @@ -88,7 +88,7 @@ declare_clippy_lint! { /// Checks for printing on *stderr*. The purpose of this lint /// is to catch debugging remnants. /// - /// ### Why is this bad? + /// ### Why restrict this? /// People often print on *stderr* while debugging an /// application and might forget to remove those prints afterward. /// @@ -110,15 +110,18 @@ declare_clippy_lint! { /// Checks for usage of `Debug` formatting. The purpose of this /// lint is to catch debugging remnants. /// - /// ### Why is this bad? - /// The purpose of the `Debug` trait is to facilitate - /// debugging Rust code. It should not be used in user-facing output. + /// ### Why restrict this? + /// The purpose of the `Debug` trait is to facilitate debugging Rust code, + /// and [no guarantees are made about its output][stability]. + /// It should not be used in user-facing output. /// /// ### Example /// ```no_run /// # let foo = "bar"; /// println!("{:?}", foo); /// ``` + /// + /// [stability]: https://doc.rust-lang.org/stable/std/fmt/trait.Debug.html#stability #[clippy::version = "pre 1.29.0"] pub USE_DEBUG, restriction, From 7f5e0aade828d86e3bd26e992a6a34845b8f1485 Mon Sep 17 00:00:00 2001 From: David Carlier Date: Thu, 23 May 2024 23:14:28 +0000 Subject: [PATCH 0485/1716] solaris add suport for threadname. from std::unix::thread::set_name, pthread_setname_np is a weak symbol (not always had been available). Other than that, similar to linux only having twice of its buffer limit. --- src/tools/miri/ci/ci.sh | 4 +-- src/tools/miri/src/shims/extern_static.rs | 3 ++ .../src/shims/unix/solarish/foreign_items.rs | 30 +++++++++++++++++-- .../tests/pass-dep/libc/pthread-threadname.rs | 2 +- 4 files changed, 34 insertions(+), 5 deletions(-) diff --git a/src/tools/miri/ci/ci.sh b/src/tools/miri/ci/ci.sh index 96319c0959c9..f97a611b3640 100755 --- a/src/tools/miri/ci/ci.sh +++ b/src/tools/miri/ci/ci.sh @@ -148,8 +148,8 @@ case $HOST_TARGET in UNIX="panic/panic panic/unwind concurrency/simple atomic libc-mem libc-misc libc-random env num_cpus" # the things that are very similar across all Unixes, and hence easily supported there TEST_TARGET=x86_64-unknown-freebsd run_tests_minimal $BASIC $UNIX threadname libc-time fs TEST_TARGET=i686-unknown-freebsd run_tests_minimal $BASIC $UNIX threadname libc-time fs - TEST_TARGET=x86_64-unknown-illumos run_tests_minimal $BASIC $UNIX pthread-sync libc-time - TEST_TARGET=x86_64-pc-solaris run_tests_minimal $BASIC $UNIX pthread-sync libc-time + TEST_TARGET=x86_64-unknown-illumos run_tests_minimal $BASIC $UNIX threadname pthread-sync libc-time + TEST_TARGET=x86_64-pc-solaris run_tests_minimal $BASIC $UNIX threadname pthread-sync libc-time TEST_TARGET=aarch64-linux-android run_tests_minimal $BASIC $UNIX TEST_TARGET=wasm32-wasip2 run_tests_minimal empty_main wasm heap_alloc libc-mem TEST_TARGET=wasm32-unknown-unknown run_tests_minimal empty_main wasm diff --git a/src/tools/miri/src/shims/extern_static.rs b/src/tools/miri/src/shims/extern_static.rs index b9817a18773f..390c29c9db7d 100644 --- a/src/tools/miri/src/shims/extern_static.rs +++ b/src/tools/miri/src/shims/extern_static.rs @@ -82,6 +82,9 @@ impl<'mir, 'tcx> MiriMachine<'mir, 'tcx> { let val = ImmTy::from_int(0, this.machine.layouts.u8); Self::alloc_extern_static(this, "_tls_used", val)?; } + "illumos" | "solaris" => { + Self::weak_symbol_extern_statics(this, &["pthread_setname_np"])?; + } _ => {} // No "extern statics" supported on this target } Ok(()) diff --git a/src/tools/miri/src/shims/unix/solarish/foreign_items.rs b/src/tools/miri/src/shims/unix/solarish/foreign_items.rs index 6c5155618c96..c4dfb147ed98 100644 --- a/src/tools/miri/src/shims/unix/solarish/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/solarish/foreign_items.rs @@ -1,10 +1,11 @@ use rustc_span::Symbol; use rustc_target::spec::abi::Abi; +use crate::shims::unix::*; use crate::*; -pub fn is_dyn_sym(_name: &str) -> bool { - false +pub fn is_dyn_sym(name: &str) -> bool { + matches!(name, "pthread_setname_np") } impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} @@ -18,6 +19,31 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { ) -> InterpResult<'tcx, EmulateItemResult> { let this = self.eval_context_mut(); match link_name.as_str() { + // Threading + "pthread_setname_np" => { + let [thread, name] = + this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?; + // THREAD_NAME_MAX allows a thread name of 31+1 length + // https://github.com/illumos/illumos-gate/blob/7671517e13b8123748eda4ef1ee165c6d9dba7fe/usr/src/uts/common/sys/thread.h#L613 + let max_len = 32; + let res = this.pthread_setname_np( + this.read_scalar(thread)?, + this.read_scalar(name)?, + max_len, + )?; + this.write_scalar(res, dest)?; + } + "pthread_getname_np" => { + let [thread, name, len] = + this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?; + let res = this.pthread_getname_np( + this.read_scalar(thread)?, + this.read_scalar(name)?, + this.read_scalar(len)?, + )?; + this.write_scalar(res, dest)?; + } + // Miscellaneous "___errno" => { let [] = this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?; diff --git a/src/tools/miri/tests/pass-dep/libc/pthread-threadname.rs b/src/tools/miri/tests/pass-dep/libc/pthread-threadname.rs index 4c4f542dfd4c..d66cd3bbb034 100644 --- a/src/tools/miri/tests/pass-dep/libc/pthread-threadname.rs +++ b/src/tools/miri/tests/pass-dep/libc/pthread-threadname.rs @@ -10,7 +10,7 @@ fn main() { .collect::(); fn set_thread_name(name: &CStr) -> i32 { - #[cfg(target_os = "linux")] + #[cfg(any(target_os = "linux", target_os = "illumos", target_os = "solaris"))] return unsafe { libc::pthread_setname_np(libc::pthread_self(), name.as_ptr().cast()) }; #[cfg(target_os = "freebsd")] unsafe { From a02aba7c542bf65f53c3a631f56110d8d95afc1c Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Thu, 23 May 2024 19:22:55 -0400 Subject: [PATCH 0486/1716] Only suppress binop error in favor of semicolon suggestion if we're in an assignment statement --- compiler/rustc_hir_typeck/src/op.rs | 5 +++- .../binop/nested-assignment-may-be-deref.rs | 14 +++++++++ .../nested-assignment-may-be-deref.stderr | 29 +++++++++++++++++++ 3 files changed, 47 insertions(+), 1 deletion(-) create mode 100644 tests/ui/binop/nested-assignment-may-be-deref.rs create mode 100644 tests/ui/binop/nested-assignment-may-be-deref.stderr diff --git a/compiler/rustc_hir_typeck/src/op.rs b/compiler/rustc_hir_typeck/src/op.rs index 87b76b978b93..25b74dca12fc 100644 --- a/compiler/rustc_hir_typeck/src/op.rs +++ b/compiler/rustc_hir_typeck/src/op.rs @@ -381,10 +381,13 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let maybe_missing_semi = self.check_for_missing_semi(expr, &mut err); // We defer to the later error produced by `check_lhs_assignable`. - // We only downgrade this if it's the LHS, though. + // We only downgrade this if it's the LHS, though, and if this is a + // valid assignment statement. if maybe_missing_semi && let hir::Node::Expr(parent) = self.tcx.parent_hir_node(expr.hir_id) && let hir::ExprKind::Assign(lhs, _, _) = parent.kind + && let hir::Node::Stmt(stmt) = self.tcx.parent_hir_node(parent.hir_id) + && let hir::StmtKind::Expr(_) | hir::StmtKind::Semi(_) = stmt.kind && lhs.hir_id == expr.hir_id { err.downgrade_to_delayed_bug(); diff --git a/tests/ui/binop/nested-assignment-may-be-deref.rs b/tests/ui/binop/nested-assignment-may-be-deref.rs new file mode 100644 index 000000000000..f675ab2e9183 --- /dev/null +++ b/tests/ui/binop/nested-assignment-may-be-deref.rs @@ -0,0 +1,14 @@ +pub fn bad(x: &mut bool) { + if true + *x = true {} + //~^ ERROR cannot multiply `bool` by `&mut bool` +} + +pub fn bad2(x: &mut bool) { + let y: bool; + y = true + *x = true; + //~^ ERROR cannot multiply `bool` by `&mut bool` +} + +fn main() {} diff --git a/tests/ui/binop/nested-assignment-may-be-deref.stderr b/tests/ui/binop/nested-assignment-may-be-deref.stderr new file mode 100644 index 000000000000..95b2db2b26c8 --- /dev/null +++ b/tests/ui/binop/nested-assignment-may-be-deref.stderr @@ -0,0 +1,29 @@ +error[E0369]: cannot multiply `bool` by `&mut bool` + --> $DIR/nested-assignment-may-be-deref.rs:3:5 + | +LL | if true + | ---- bool +LL | *x = true {} + | ^- &mut bool + | +help: you might have meant to write a semicolon here + | +LL | if true; + | + + +error[E0369]: cannot multiply `bool` by `&mut bool` + --> $DIR/nested-assignment-may-be-deref.rs:10:5 + | +LL | y = true + | ---- bool +LL | *x = true; + | ^- &mut bool + | +help: you might have meant to write a semicolon here + | +LL | y = true; + | + + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0369`. From 4bc41b91d7e299b6d0651a8ba48122304beb6820 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Thu, 23 May 2024 18:47:32 -0400 Subject: [PATCH 0487/1716] Don't continue probing for method if in suggestion and autoderef hits ambiguity --- compiler/rustc_hir_typeck/src/method/probe.rs | 11 +++++++++-- .../suggest-method-on-call-for-ambig-receiver.rs | 16 ++++++++++++++++ ...gest-method-on-call-for-ambig-receiver.stderr | 9 +++++++++ 3 files changed, 34 insertions(+), 2 deletions(-) create mode 100644 tests/ui/methods/suggest-method-on-call-for-ambig-receiver.rs create mode 100644 tests/ui/methods/suggest-method-on-call-for-ambig-receiver.stderr diff --git a/compiler/rustc_hir_typeck/src/method/probe.rs b/compiler/rustc_hir_typeck/src/method/probe.rs index e0a60337c3ba..820fe97afb56 100644 --- a/compiler/rustc_hir_typeck/src/method/probe.rs +++ b/compiler/rustc_hir_typeck/src/method/probe.rs @@ -395,8 +395,15 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // ambiguous. if let Some(bad_ty) = &steps.opt_bad_ty { if is_suggestion.0 { - // Ambiguity was encountered during a suggestion. Just keep going. - debug!("ProbeContext: encountered ambiguity in suggestion"); + // Ambiguity was encountered during a suggestion. There's really + // not much use in suggesting methods in this case. + return Err(MethodError::NoMatch(NoMatchData { + static_candidates: Vec::new(), + unsatisfied_predicates: Vec::new(), + out_of_scope_traits: Vec::new(), + similar_candidate: None, + mode, + })); } else if bad_ty.reached_raw_pointer && !self.tcx.features().arbitrary_self_types && !self.tcx.sess.at_least_rust_2018() diff --git a/tests/ui/methods/suggest-method-on-call-for-ambig-receiver.rs b/tests/ui/methods/suggest-method-on-call-for-ambig-receiver.rs new file mode 100644 index 000000000000..fc2c15ee8c66 --- /dev/null +++ b/tests/ui/methods/suggest-method-on-call-for-ambig-receiver.rs @@ -0,0 +1,16 @@ +// Fix for . + +fn separate_arms() { + let mut x = None; + match x { + None => { + x = Some(0); + } + Some(right) => { + consume(right); + //~^ ERROR cannot find function `consume` in this scope + } + } +} + +fn main() {} diff --git a/tests/ui/methods/suggest-method-on-call-for-ambig-receiver.stderr b/tests/ui/methods/suggest-method-on-call-for-ambig-receiver.stderr new file mode 100644 index 000000000000..40d8301c24e5 --- /dev/null +++ b/tests/ui/methods/suggest-method-on-call-for-ambig-receiver.stderr @@ -0,0 +1,9 @@ +error[E0425]: cannot find function `consume` in this scope + --> $DIR/suggest-method-on-call-for-ambig-receiver.rs:10:13 + | +LL | consume(right); + | ^^^^^^^ not found in this scope + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0425`. From c58b7c9c81cf150bf307ca13375f12fb1c8f6420 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Thu, 23 May 2024 19:48:54 -0400 Subject: [PATCH 0488/1716] Don't skip inner const when looking for body for suggestion --- compiler/rustc_hir_typeck/src/coercion.rs | 9 +++------ .../return/dont-suggest-through-inner-const.rs | 9 +++++++++ .../dont-suggest-through-inner-const.stderr | 17 +++++++++++++++++ 3 files changed, 29 insertions(+), 6 deletions(-) create mode 100644 tests/ui/return/dont-suggest-through-inner-const.rs create mode 100644 tests/ui/return/dont-suggest-through-inner-const.stderr diff --git a/compiler/rustc_hir_typeck/src/coercion.rs b/compiler/rustc_hir_typeck/src/coercion.rs index 11a1c65b7495..ebdc558282a9 100644 --- a/compiler/rustc_hir_typeck/src/coercion.rs +++ b/compiler/rustc_hir_typeck/src/coercion.rs @@ -1871,11 +1871,8 @@ impl<'tcx, 'exprs, E: AsCoercionSite> CoerceMany<'tcx, 'exprs, E> { // If this is due to a block, then maybe we forgot a `return`/`break`. if due_to_block && let Some(expr) = expression - && let Some((parent_fn_decl, parent_id)) = fcx - .tcx - .hir() - .parent_iter(block_or_return_id) - .find_map(|(_, node)| Some((node.fn_decl()?, node.associated_body()?.0))) + && let Some(parent_fn_decl) = + fcx.tcx.hir().fn_decl_by_hir_id(fcx.tcx.local_def_id_to_hir_id(fcx.body_id)) { fcx.suggest_missing_break_or_return_expr( &mut err, @@ -1884,7 +1881,7 @@ impl<'tcx, 'exprs, E: AsCoercionSite> CoerceMany<'tcx, 'exprs, E> { expected, found, block_or_return_id, - parent_id, + fcx.body_id, ); } diff --git a/tests/ui/return/dont-suggest-through-inner-const.rs b/tests/ui/return/dont-suggest-through-inner-const.rs new file mode 100644 index 000000000000..b2347dedd52d --- /dev/null +++ b/tests/ui/return/dont-suggest-through-inner-const.rs @@ -0,0 +1,9 @@ +const fn f() -> usize { + //~^ ERROR mismatched types + const FIELD: usize = loop { + 0 + //~^ ERROR mismatched types + }; +} + +fn main() {} diff --git a/tests/ui/return/dont-suggest-through-inner-const.stderr b/tests/ui/return/dont-suggest-through-inner-const.stderr new file mode 100644 index 000000000000..6aeee74b0adf --- /dev/null +++ b/tests/ui/return/dont-suggest-through-inner-const.stderr @@ -0,0 +1,17 @@ +error[E0308]: mismatched types + --> $DIR/dont-suggest-through-inner-const.rs:4:9 + | +LL | 0 + | ^ expected `()`, found integer + +error[E0308]: mismatched types + --> $DIR/dont-suggest-through-inner-const.rs:1:17 + | +LL | const fn f() -> usize { + | - ^^^^^ expected `usize`, found `()` + | | + | implicitly returns `()` as its body has no tail or `return` expression + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0308`. From 72b71710318e2da2a230f3cc01686b006e85ebe6 Mon Sep 17 00:00:00 2001 From: ltdk Date: Tue, 9 Apr 2024 02:01:21 -0400 Subject: [PATCH 0489/1716] Add assert_unsafe_precondition to unchecked_{add,sub,neg,mul,shl,shr} methods --- library/core/src/lib.rs | 1 + library/core/src/num/int_macros.rs | 99 +++++++++++++++---- library/core/src/num/mod.rs | 1 + library/core/src/num/uint_macros.rs | 80 ++++++++++++--- library/core/src/ops/index_range.rs | 11 +-- library/core/src/ptr/const_ptr.rs | 3 +- library/core/src/ptr/mut_ptr.rs | 3 +- library/core/src/ptr/non_null.rs | 3 +- library/core/src/slice/index.rs | 5 +- ...l_unsigned_smaller.Inline.panic-abort.diff | 22 ++++- ..._unsigned_smaller.Inline.panic-unwind.diff | 22 ++++- ...d_smaller.PreCodegen.after.panic-abort.mir | 4 + ..._smaller.PreCodegen.after.panic-unwind.mir | 4 + ..._shr_signed_bigger.Inline.panic-abort.diff | 22 ++++- ...shr_signed_bigger.Inline.panic-unwind.diff | 22 ++++- ...ed_bigger.PreCodegen.after.panic-abort.mir | 4 + ...d_bigger.PreCodegen.after.panic-unwind.mir | 4 + ...ecked_shl.PreCodegen.after.panic-abort.mir | 4 + ...cked_shl.PreCodegen.after.panic-unwind.mir | 4 + ...mut_range.PreCodegen.after.panic-abort.mir | 47 ++------- ...ut_range.PreCodegen.after.panic-unwind.mir | 47 ++------- ...ked_range.PreCodegen.after.panic-abort.mir | 35 +------ ...ed_range.PreCodegen.after.panic-unwind.mir | 35 +------ 23 files changed, 289 insertions(+), 193 deletions(-) diff --git a/library/core/src/lib.rs b/library/core/src/lib.rs index dcf68b36c7a2..6b3ce47da414 100644 --- a/library/core/src/lib.rs +++ b/library/core/src/lib.rs @@ -191,6 +191,7 @@ #![feature(str_split_remainder)] #![feature(strict_provenance)] #![feature(ub_checks)] +#![feature(unchecked_neg)] #![feature(unchecked_shifts)] #![feature(utf16_extra)] #![feature(utf16_extra_const)] diff --git a/library/core/src/num/int_macros.rs b/library/core/src/num/int_macros.rs index 77b1039039b1..b8b4f581a7e6 100644 --- a/library/core/src/num/int_macros.rs +++ b/library/core/src/num/int_macros.rs @@ -488,9 +488,19 @@ macro_rules! int_impl { #[inline(always)] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces pub const unsafe fn unchecked_add(self, rhs: Self) -> Self { - // SAFETY: the caller must uphold the safety contract for - // `unchecked_add`. - unsafe { intrinsics::unchecked_add(self, rhs) } + assert_unsafe_precondition!( + check_language_ub, + concat!(stringify!($SelfT), "::unchecked_add cannot overflow"), + ( + lhs: $SelfT = self, + rhs: $SelfT = rhs, + ) => !lhs.overflowing_add(rhs).1, + ); + + // SAFETY: this is guaranteed to be safe by the caller. + unsafe { + intrinsics::unchecked_add(self, rhs) + } } /// Checked addition with an unsigned integer. Computes `self + rhs`, @@ -630,9 +640,19 @@ macro_rules! int_impl { #[inline(always)] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces pub const unsafe fn unchecked_sub(self, rhs: Self) -> Self { - // SAFETY: the caller must uphold the safety contract for - // `unchecked_sub`. - unsafe { intrinsics::unchecked_sub(self, rhs) } + assert_unsafe_precondition!( + check_language_ub, + concat!(stringify!($SelfT), "::unchecked_sub cannot overflow"), + ( + lhs: $SelfT = self, + rhs: $SelfT = rhs, + ) => !lhs.overflowing_sub(rhs).1, + ); + + // SAFETY: this is guaranteed to be safe by the caller. + unsafe { + intrinsics::unchecked_sub(self, rhs) + } } /// Checked subtraction with an unsigned integer. Computes `self - rhs`, @@ -772,9 +792,19 @@ macro_rules! int_impl { #[inline(always)] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces pub const unsafe fn unchecked_mul(self, rhs: Self) -> Self { - // SAFETY: the caller must uphold the safety contract for - // `unchecked_mul`. - unsafe { intrinsics::unchecked_mul(self, rhs) } + assert_unsafe_precondition!( + check_language_ub, + concat!(stringify!($SelfT), "::unchecked_mul cannot overflow"), + ( + lhs: $SelfT = self, + rhs: $SelfT = rhs, + ) => !lhs.overflowing_mul(rhs).1, + ); + + // SAFETY: this is guaranteed to be safe by the caller. + unsafe { + intrinsics::unchecked_mul(self, rhs) + } } /// Checked integer division. Computes `self / rhs`, returning `None` if `rhs == 0` @@ -1111,9 +1141,22 @@ macro_rules! int_impl { #[inline(always)] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces pub const unsafe fn unchecked_neg(self) -> Self { - // SAFETY: the caller must uphold the safety contract for - // `unchecked_neg`. - unsafe { intrinsics::unchecked_sub(0, self) } + // ICE resolved by #125184 isn't in bootstrap compiler + #[cfg(not(bootstrap))] + { + assert_unsafe_precondition!( + check_language_ub, + concat!(stringify!($SelfT), "::unchecked_neg cannot overflow"), + ( + lhs: $SelfT = self, + ) => !lhs.overflowing_neg().1, + ); + } + + // SAFETY: this is guaranteed to be safe by the caller. + unsafe { + intrinsics::unchecked_sub(0, self) + } } /// Strict negation. Computes `-self`, panicking if `self == MIN`. @@ -1234,9 +1277,19 @@ macro_rules! int_impl { #[inline(always)] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces pub const unsafe fn unchecked_shl(self, rhs: u32) -> Self { - // SAFETY: the caller must uphold the safety contract for - // `unchecked_shl`. - unsafe { intrinsics::unchecked_shl(self, rhs) } + assert_unsafe_precondition!( + check_language_ub, + concat!(stringify!($SelfT), "::unchecked_shl cannot overflow"), + ( + rhs: u32 = rhs, + bits: u32 = Self::BITS, + ) => rhs < bits, + ); + + // SAFETY: this is guaranteed to be safe by the caller. + unsafe { + intrinsics::unchecked_shl(self, rhs) + } } /// Checked shift right. Computes `self >> rhs`, returning `None` if `rhs` is @@ -1323,9 +1376,19 @@ macro_rules! int_impl { #[inline(always)] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces pub const unsafe fn unchecked_shr(self, rhs: u32) -> Self { - // SAFETY: the caller must uphold the safety contract for - // `unchecked_shr`. - unsafe { intrinsics::unchecked_shr(self, rhs) } + assert_unsafe_precondition!( + check_language_ub, + concat!(stringify!($SelfT), "::unchecked_shr cannot overflow"), + ( + rhs: u32 = rhs, + bits: u32 = Self::BITS, + ) => rhs < bits, + ); + + // SAFETY: this is guaranteed to be safe by the caller. + unsafe { + intrinsics::unchecked_shr(self, rhs) + } } /// Checked absolute value. Computes `self.abs()`, returning `None` if diff --git a/library/core/src/num/mod.rs b/library/core/src/num/mod.rs index 09a341e4d80a..ab1ede38979d 100644 --- a/library/core/src/num/mod.rs +++ b/library/core/src/num/mod.rs @@ -7,6 +7,7 @@ use crate::hint; use crate::intrinsics; use crate::mem; use crate::str::FromStr; +use crate::ub_checks::assert_unsafe_precondition; // Used because the `?` operator is not allowed in a const context. macro_rules! try_opt { diff --git a/library/core/src/num/uint_macros.rs b/library/core/src/num/uint_macros.rs index 446d0658c126..141d164de14a 100644 --- a/library/core/src/num/uint_macros.rs +++ b/library/core/src/num/uint_macros.rs @@ -495,9 +495,19 @@ macro_rules! uint_impl { #[inline(always)] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces pub const unsafe fn unchecked_add(self, rhs: Self) -> Self { - // SAFETY: the caller must uphold the safety contract for - // `unchecked_add`. - unsafe { intrinsics::unchecked_add(self, rhs) } + assert_unsafe_precondition!( + check_language_ub, + concat!(stringify!($SelfT), "::unchecked_add cannot overflow"), + ( + lhs: $SelfT = self, + rhs: $SelfT = rhs, + ) => !lhs.overflowing_add(rhs).1, + ); + + // SAFETY: this is guaranteed to be safe by the caller. + unsafe { + intrinsics::unchecked_add(self, rhs) + } } /// Checked addition with a signed integer. Computes `self + rhs`, @@ -677,9 +687,19 @@ macro_rules! uint_impl { #[inline(always)] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces pub const unsafe fn unchecked_sub(self, rhs: Self) -> Self { - // SAFETY: the caller must uphold the safety contract for - // `unchecked_sub`. - unsafe { intrinsics::unchecked_sub(self, rhs) } + assert_unsafe_precondition!( + check_language_ub, + concat!(stringify!($SelfT), "::unchecked_sub cannot overflow"), + ( + lhs: $SelfT = self, + rhs: $SelfT = rhs, + ) => !lhs.overflowing_sub(rhs).1, + ); + + // SAFETY: this is guaranteed to be safe by the caller. + unsafe { + intrinsics::unchecked_sub(self, rhs) + } } /// Checked integer multiplication. Computes `self * rhs`, returning @@ -763,9 +783,19 @@ macro_rules! uint_impl { #[inline(always)] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces pub const unsafe fn unchecked_mul(self, rhs: Self) -> Self { - // SAFETY: the caller must uphold the safety contract for - // `unchecked_mul`. - unsafe { intrinsics::unchecked_mul(self, rhs) } + assert_unsafe_precondition!( + check_language_ub, + concat!(stringify!($SelfT), "::unchecked_mul cannot overflow"), + ( + lhs: $SelfT = self, + rhs: $SelfT = rhs, + ) => !lhs.overflowing_mul(rhs).1, + ); + + // SAFETY: this is guaranteed to be safe by the caller. + unsafe { + intrinsics::unchecked_mul(self, rhs) + } } /// Checked integer division. Computes `self / rhs`, returning `None` @@ -1334,9 +1364,19 @@ macro_rules! uint_impl { #[inline(always)] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces pub const unsafe fn unchecked_shl(self, rhs: u32) -> Self { - // SAFETY: the caller must uphold the safety contract for - // `unchecked_shl`. - unsafe { intrinsics::unchecked_shl(self, rhs) } + assert_unsafe_precondition!( + check_language_ub, + concat!(stringify!($SelfT), "::unchecked_shl cannot overflow"), + ( + rhs: u32 = rhs, + bits: u32 = Self::BITS, + ) => rhs < bits, + ); + + // SAFETY: this is guaranteed to be safe by the caller. + unsafe { + intrinsics::unchecked_shl(self, rhs) + } } /// Checked shift right. Computes `self >> rhs`, returning `None` @@ -1423,9 +1463,19 @@ macro_rules! uint_impl { #[inline(always)] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces pub const unsafe fn unchecked_shr(self, rhs: u32) -> Self { - // SAFETY: the caller must uphold the safety contract for - // `unchecked_shr`. - unsafe { intrinsics::unchecked_shr(self, rhs) } + assert_unsafe_precondition!( + check_language_ub, + concat!(stringify!($SelfT), "::unchecked_shr cannot overflow"), + ( + rhs: u32 = rhs, + bits: u32 = Self::BITS, + ) => rhs < bits, + ); + + // SAFETY: this is guaranteed to be safe by the caller. + unsafe { + intrinsics::unchecked_shr(self, rhs) + } } /// Checked exponentiation. Computes `self.pow(exp)`, returning `None` if diff --git a/library/core/src/ops/index_range.rs b/library/core/src/ops/index_range.rs index 65bda9177c7b..64214eae377d 100644 --- a/library/core/src/ops/index_range.rs +++ b/library/core/src/ops/index_range.rs @@ -1,4 +1,3 @@ -use crate::intrinsics::{unchecked_add, unchecked_sub}; use crate::iter::{FusedIterator, TrustedLen}; use crate::num::NonZero; use crate::ub_checks; @@ -46,7 +45,7 @@ impl IndexRange { #[inline] pub const fn len(&self) -> usize { // SAFETY: By invariant, this cannot wrap - unsafe { unchecked_sub(self.end, self.start) } + unsafe { self.end.unchecked_sub(self.start) } } /// # Safety @@ -57,7 +56,7 @@ impl IndexRange { let value = self.start; // SAFETY: The range isn't empty, so this cannot overflow - self.start = unsafe { unchecked_add(value, 1) }; + self.start = unsafe { value.unchecked_add(1) }; value } @@ -68,7 +67,7 @@ impl IndexRange { debug_assert!(self.start < self.end); // SAFETY: The range isn't empty, so this cannot overflow - let value = unsafe { unchecked_sub(self.end, 1) }; + let value = unsafe { self.end.unchecked_sub(1) }; self.end = value; value } @@ -83,7 +82,7 @@ impl IndexRange { let mid = if n <= self.len() { // SAFETY: We just checked that this will be between start and end, // and thus the addition cannot overflow. - unsafe { unchecked_add(self.start, n) } + unsafe { self.start.unchecked_add(n) } } else { self.end }; @@ -102,7 +101,7 @@ impl IndexRange { let mid = if n <= self.len() { // SAFETY: We just checked that this will be between start and end, // and thus the addition cannot overflow. - unsafe { unchecked_sub(self.end, n) } + unsafe { self.end.unchecked_sub(n) } } else { self.start }; diff --git a/library/core/src/ptr/const_ptr.rs b/library/core/src/ptr/const_ptr.rs index c8065b2e7090..8c02aee8bfb4 100644 --- a/library/core/src/ptr/const_ptr.rs +++ b/library/core/src/ptr/const_ptr.rs @@ -1080,6 +1080,7 @@ impl *const T { #[stable(feature = "pointer_methods", since = "1.26.0")] #[must_use = "returns a new pointer rather than modifying its argument"] #[rustc_const_stable(feature = "const_ptr_offset", since = "1.61.0")] + #[rustc_allow_const_fn_unstable(unchecked_neg)] #[inline(always)] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces pub const unsafe fn sub(self, count: usize) -> Self @@ -1093,7 +1094,7 @@ impl *const T { // SAFETY: the caller must uphold the safety contract for `offset`. // Because the pointee is *not* a ZST, that means that `count` is // at most `isize::MAX`, and thus the negation cannot overflow. - unsafe { self.offset(intrinsics::unchecked_sub(0, count as isize)) } + unsafe { self.offset((count as isize).unchecked_neg()) } } } diff --git a/library/core/src/ptr/mut_ptr.rs b/library/core/src/ptr/mut_ptr.rs index c53953400add..7c685156cbb0 100644 --- a/library/core/src/ptr/mut_ptr.rs +++ b/library/core/src/ptr/mut_ptr.rs @@ -1224,6 +1224,7 @@ impl *mut T { #[stable(feature = "pointer_methods", since = "1.26.0")] #[must_use = "returns a new pointer rather than modifying its argument"] #[rustc_const_stable(feature = "const_ptr_offset", since = "1.61.0")] + #[rustc_allow_const_fn_unstable(unchecked_neg)] #[inline(always)] #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces pub const unsafe fn sub(self, count: usize) -> Self @@ -1237,7 +1238,7 @@ impl *mut T { // SAFETY: the caller must uphold the safety contract for `offset`. // Because the pointee is *not* a ZST, that means that `count` is // at most `isize::MAX`, and thus the negation cannot overflow. - unsafe { self.offset(intrinsics::unchecked_sub(0, count as isize)) } + unsafe { self.offset((count as isize).unchecked_neg()) } } } diff --git a/library/core/src/ptr/non_null.rs b/library/core/src/ptr/non_null.rs index 617890cf083b..aac5c745d635 100644 --- a/library/core/src/ptr/non_null.rs +++ b/library/core/src/ptr/non_null.rs @@ -701,6 +701,7 @@ impl NonNull { #[must_use = "returns a new pointer rather than modifying its argument"] #[stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] #[rustc_const_stable(feature = "non_null_convenience", since = "CURRENT_RUSTC_VERSION")] + #[rustc_allow_const_fn_unstable(unchecked_neg)] pub const unsafe fn sub(self, count: usize) -> Self where T: Sized, @@ -712,7 +713,7 @@ impl NonNull { // SAFETY: the caller must uphold the safety contract for `offset`. // Because the pointee is *not* a ZST, that means that `count` is // at most `isize::MAX`, and thus the negation cannot overflow. - unsafe { self.offset(intrinsics::unchecked_sub(0, count as isize)) } + unsafe { self.offset((count as isize).unchecked_neg()) } } } diff --git a/library/core/src/slice/index.rs b/library/core/src/slice/index.rs index 8d7b6165510a..98513340a474 100644 --- a/library/core/src/slice/index.rs +++ b/library/core/src/slice/index.rs @@ -1,7 +1,6 @@ //! Indexing implementations for `[T]`. use crate::intrinsics::const_eval_select; -use crate::intrinsics::unchecked_sub; use crate::ops; use crate::ptr; use crate::ub_checks::assert_unsafe_precondition; @@ -374,7 +373,7 @@ unsafe impl SliceIndex<[T]> for ops::Range { // `self` is in bounds of `slice` so `self` cannot overflow an `isize`, // so the call to `add` is safe and the length calculation cannot overflow. unsafe { - let new_len = unchecked_sub(self.end, self.start); + let new_len = self.end.unchecked_sub(self.start); ptr::slice_from_raw_parts(slice.as_ptr().add(self.start), new_len) } } @@ -392,7 +391,7 @@ unsafe impl SliceIndex<[T]> for ops::Range { ); // SAFETY: see comments for `get_unchecked` above. unsafe { - let new_len = unchecked_sub(self.end, self.start); + let new_len = self.end.unchecked_sub(self.start); ptr::slice_from_raw_parts_mut(slice.as_mut_ptr().add(self.start), new_len) } } diff --git a/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.panic-abort.diff b/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.panic-abort.diff index a624ab78dad1..652e24a5f8ec 100644 --- a/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.panic-abort.diff +++ b/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.panic-abort.diff @@ -8,6 +8,12 @@ let mut _3: u16; let mut _4: u32; + scope 1 (inlined core::num::::unchecked_shl) { ++ let mut _5: bool; ++ let _6: (); ++ scope 2 (inlined core::ub_checks::check_language_ub) { ++ scope 3 (inlined core::ub_checks::check_language_ub::runtime) { ++ } ++ } + } bb0: { @@ -16,10 +22,20 @@ StorageLive(_4); _4 = _2; - _0 = core::num::::unchecked_shl(move _3, move _4) -> [return: bb1, unwind unreachable]; -- } -- -- bb1: { ++ StorageLive(_6); ++ StorageLive(_5); ++ _5 = UbChecks(); ++ switchInt(move _5) -> [0: bb2, otherwise: bb1]; + } + + bb1: { ++ _6 = core::num::::unchecked_shl::precondition_check(_4, const core::num::::BITS) -> [return: bb2, unwind unreachable]; ++ } ++ ++ bb2: { ++ StorageDead(_5); + _0 = ShlUnchecked(_3, _4); ++ StorageDead(_6); StorageDead(_4); StorageDead(_3); return; diff --git a/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.panic-unwind.diff b/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.panic-unwind.diff index 81a0a5b39f71..dbcae605f769 100644 --- a/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.panic-unwind.diff +++ b/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.panic-unwind.diff @@ -8,6 +8,12 @@ let mut _3: u16; let mut _4: u32; + scope 1 (inlined core::num::::unchecked_shl) { ++ let mut _5: bool; ++ let _6: (); ++ scope 2 (inlined core::ub_checks::check_language_ub) { ++ scope 3 (inlined core::ub_checks::check_language_ub::runtime) { ++ } ++ } + } bb0: { @@ -16,10 +22,20 @@ StorageLive(_4); _4 = _2; - _0 = core::num::::unchecked_shl(move _3, move _4) -> [return: bb1, unwind continue]; -- } -- -- bb1: { ++ StorageLive(_6); ++ StorageLive(_5); ++ _5 = UbChecks(); ++ switchInt(move _5) -> [0: bb2, otherwise: bb1]; + } + + bb1: { ++ _6 = core::num::::unchecked_shl::precondition_check(_4, const core::num::::BITS) -> [return: bb2, unwind unreachable]; ++ } ++ ++ bb2: { ++ StorageDead(_5); + _0 = ShlUnchecked(_3, _4); ++ StorageDead(_6); StorageDead(_4); StorageDead(_3); return; diff --git a/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.PreCodegen.after.panic-abort.mir b/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.PreCodegen.after.panic-abort.mir index 9e3802b7501f..dc27685ee79b 100644 --- a/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.PreCodegen.after.panic-abort.mir @@ -5,6 +5,10 @@ fn unchecked_shl_unsigned_smaller(_1: u16, _2: u32) -> u16 { debug b => _2; let mut _0: u16; scope 1 (inlined core::num::::unchecked_shl) { + scope 2 (inlined core::ub_checks::check_language_ub) { + scope 3 (inlined core::ub_checks::check_language_ub::runtime) { + } + } } bb0: { diff --git a/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.PreCodegen.after.panic-unwind.mir index 9e3802b7501f..dc27685ee79b 100644 --- a/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.PreCodegen.after.panic-unwind.mir @@ -5,6 +5,10 @@ fn unchecked_shl_unsigned_smaller(_1: u16, _2: u32) -> u16 { debug b => _2; let mut _0: u16; scope 1 (inlined core::num::::unchecked_shl) { + scope 2 (inlined core::ub_checks::check_language_ub) { + scope 3 (inlined core::ub_checks::check_language_ub::runtime) { + } + } } bb0: { diff --git a/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.Inline.panic-abort.diff b/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.Inline.panic-abort.diff index a2b3ad4b3bab..88d0621c2877 100644 --- a/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.Inline.panic-abort.diff +++ b/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.Inline.panic-abort.diff @@ -8,6 +8,12 @@ let mut _3: i64; let mut _4: u32; + scope 1 (inlined core::num::::unchecked_shr) { ++ let mut _5: bool; ++ let _6: (); ++ scope 2 (inlined core::ub_checks::check_language_ub) { ++ scope 3 (inlined core::ub_checks::check_language_ub::runtime) { ++ } ++ } + } bb0: { @@ -16,10 +22,20 @@ StorageLive(_4); _4 = _2; - _0 = core::num::::unchecked_shr(move _3, move _4) -> [return: bb1, unwind unreachable]; -- } -- -- bb1: { ++ StorageLive(_6); ++ StorageLive(_5); ++ _5 = UbChecks(); ++ switchInt(move _5) -> [0: bb2, otherwise: bb1]; + } + + bb1: { ++ _6 = core::num::::unchecked_shr::precondition_check(_4, const core::num::::BITS) -> [return: bb2, unwind unreachable]; ++ } ++ ++ bb2: { ++ StorageDead(_5); + _0 = ShrUnchecked(_3, _4); ++ StorageDead(_6); StorageDead(_4); StorageDead(_3); return; diff --git a/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.Inline.panic-unwind.diff b/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.Inline.panic-unwind.diff index 2ff6b532d61f..6d4c73cf576a 100644 --- a/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.Inline.panic-unwind.diff +++ b/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.Inline.panic-unwind.diff @@ -8,6 +8,12 @@ let mut _3: i64; let mut _4: u32; + scope 1 (inlined core::num::::unchecked_shr) { ++ let mut _5: bool; ++ let _6: (); ++ scope 2 (inlined core::ub_checks::check_language_ub) { ++ scope 3 (inlined core::ub_checks::check_language_ub::runtime) { ++ } ++ } + } bb0: { @@ -16,10 +22,20 @@ StorageLive(_4); _4 = _2; - _0 = core::num::::unchecked_shr(move _3, move _4) -> [return: bb1, unwind continue]; -- } -- -- bb1: { ++ StorageLive(_6); ++ StorageLive(_5); ++ _5 = UbChecks(); ++ switchInt(move _5) -> [0: bb2, otherwise: bb1]; + } + + bb1: { ++ _6 = core::num::::unchecked_shr::precondition_check(_4, const core::num::::BITS) -> [return: bb2, unwind unreachable]; ++ } ++ ++ bb2: { ++ StorageDead(_5); + _0 = ShrUnchecked(_3, _4); ++ StorageDead(_6); StorageDead(_4); StorageDead(_3); return; diff --git a/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.PreCodegen.after.panic-abort.mir b/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.PreCodegen.after.panic-abort.mir index f3961982648a..54f093b87d19 100644 --- a/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.PreCodegen.after.panic-abort.mir @@ -5,6 +5,10 @@ fn unchecked_shr_signed_bigger(_1: i64, _2: u32) -> i64 { debug b => _2; let mut _0: i64; scope 1 (inlined core::num::::unchecked_shr) { + scope 2 (inlined core::ub_checks::check_language_ub) { + scope 3 (inlined core::ub_checks::check_language_ub::runtime) { + } + } } bb0: { diff --git a/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.PreCodegen.after.panic-unwind.mir index f3961982648a..54f093b87d19 100644 --- a/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.PreCodegen.after.panic-unwind.mir @@ -5,6 +5,10 @@ fn unchecked_shr_signed_bigger(_1: i64, _2: u32) -> i64 { debug b => _2; let mut _0: i64; scope 1 (inlined core::num::::unchecked_shr) { + scope 2 (inlined core::ub_checks::check_language_ub) { + scope 3 (inlined core::ub_checks::check_language_ub::runtime) { + } + } } bb0: { diff --git a/tests/mir-opt/pre-codegen/checked_ops.checked_shl.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/checked_ops.checked_shl.PreCodegen.after.panic-abort.mir index af0a0efc2a66..4edf0d2c47c0 100644 --- a/tests/mir-opt/pre-codegen/checked_ops.checked_shl.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/checked_ops.checked_shl.PreCodegen.after.panic-abort.mir @@ -8,6 +8,10 @@ fn checked_shl(_1: u32, _2: u32) -> Option { let mut _3: bool; let mut _4: u32; scope 2 (inlined core::num::::unchecked_shl) { + scope 3 (inlined core::ub_checks::check_language_ub) { + scope 4 (inlined core::ub_checks::check_language_ub::runtime) { + } + } } } diff --git a/tests/mir-opt/pre-codegen/checked_ops.checked_shl.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/checked_ops.checked_shl.PreCodegen.after.panic-unwind.mir index af0a0efc2a66..4edf0d2c47c0 100644 --- a/tests/mir-opt/pre-codegen/checked_ops.checked_shl.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/checked_ops.checked_shl.PreCodegen.after.panic-unwind.mir @@ -8,6 +8,10 @@ fn checked_shl(_1: u32, _2: u32) -> Option { let mut _3: bool; let mut _4: u32; scope 2 (inlined core::num::::unchecked_shl) { + scope 3 (inlined core::ub_checks::check_language_ub) { + scope 4 (inlined core::ub_checks::check_language_ub::runtime) { + } + } } } diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-abort.mir index 62fe1a868578..ef3f4a217200 100644 --- a/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-abort.mir @@ -4,47 +4,20 @@ fn slice_get_unchecked_mut_range(_1: &mut [u32], _2: std::ops::Range) -> debug slice => _1; debug index => _2; let mut _0: &mut [u32]; - let mut _3: usize; - let mut _4: usize; scope 1 (inlined core::slice::::get_unchecked_mut::>) { - let mut _5: *mut [u32]; - let mut _9: *mut [u32]; - scope 2 (inlined as SliceIndex<[u32]>>::get_unchecked_mut) { - let _6: usize; - let mut _7: *mut u32; - let mut _8: *mut u32; - scope 3 { - scope 6 (inlined std::ptr::mut_ptr::::as_mut_ptr) { - } - scope 7 (inlined std::ptr::mut_ptr::::add) { - } - scope 8 (inlined slice_from_raw_parts_mut::) { - } - } - scope 4 (inlined std::ptr::mut_ptr::::len) { - scope 5 (inlined std::ptr::metadata::<[u32]>) { - } - } - } + let mut _3: *mut [u32]; + let mut _4: *mut [u32]; } bb0: { - _3 = move (_2.0: usize); - _4 = move (_2.1: usize); - StorageLive(_5); - _5 = &raw mut (*_1); - StorageLive(_6); - _6 = SubUnchecked(_4, _3); - StorageLive(_8); - StorageLive(_7); - _7 = _5 as *mut u32 (PtrToPtr); - _8 = Offset(_7, _3); - StorageDead(_7); - _9 = *mut [u32] from (_8, _6); - StorageDead(_8); - StorageDead(_6); - StorageDead(_5); - _0 = &mut (*_9); + StorageLive(_3); + _3 = &raw mut (*_1); + _4 = as SliceIndex<[u32]>>::get_unchecked_mut(move _2, move _3) -> [return: bb1, unwind unreachable]; + } + + bb1: { + StorageDead(_3); + _0 = &mut (*_4); return; } } diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-unwind.mir index 62fe1a868578..9e93a43ac725 100644 --- a/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/slice_index.slice_get_unchecked_mut_range.PreCodegen.after.panic-unwind.mir @@ -4,47 +4,20 @@ fn slice_get_unchecked_mut_range(_1: &mut [u32], _2: std::ops::Range) -> debug slice => _1; debug index => _2; let mut _0: &mut [u32]; - let mut _3: usize; - let mut _4: usize; scope 1 (inlined core::slice::::get_unchecked_mut::>) { - let mut _5: *mut [u32]; - let mut _9: *mut [u32]; - scope 2 (inlined as SliceIndex<[u32]>>::get_unchecked_mut) { - let _6: usize; - let mut _7: *mut u32; - let mut _8: *mut u32; - scope 3 { - scope 6 (inlined std::ptr::mut_ptr::::as_mut_ptr) { - } - scope 7 (inlined std::ptr::mut_ptr::::add) { - } - scope 8 (inlined slice_from_raw_parts_mut::) { - } - } - scope 4 (inlined std::ptr::mut_ptr::::len) { - scope 5 (inlined std::ptr::metadata::<[u32]>) { - } - } - } + let mut _3: *mut [u32]; + let mut _4: *mut [u32]; } bb0: { - _3 = move (_2.0: usize); - _4 = move (_2.1: usize); - StorageLive(_5); - _5 = &raw mut (*_1); - StorageLive(_6); - _6 = SubUnchecked(_4, _3); - StorageLive(_8); - StorageLive(_7); - _7 = _5 as *mut u32 (PtrToPtr); - _8 = Offset(_7, _3); - StorageDead(_7); - _9 = *mut [u32] from (_8, _6); - StorageDead(_8); - StorageDead(_6); - StorageDead(_5); - _0 = &mut (*_9); + StorageLive(_3); + _3 = &raw mut (*_1); + _4 = as SliceIndex<[u32]>>::get_unchecked_mut(move _2, move _3) -> [return: bb1, unwind continue]; + } + + bb1: { + StorageDead(_3); + _0 = &mut (*_4); return; } } diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_ptr_get_unchecked_range.PreCodegen.after.panic-abort.mir b/tests/mir-opt/pre-codegen/slice_index.slice_ptr_get_unchecked_range.PreCodegen.after.panic-abort.mir index 000432ccca7d..650069ee6cea 100644 --- a/tests/mir-opt/pre-codegen/slice_index.slice_ptr_get_unchecked_range.PreCodegen.after.panic-abort.mir +++ b/tests/mir-opt/pre-codegen/slice_index.slice_ptr_get_unchecked_range.PreCodegen.after.panic-abort.mir @@ -4,41 +4,14 @@ fn slice_ptr_get_unchecked_range(_1: *const [u32], _2: std::ops::Range) - debug slice => _1; debug index => _2; let mut _0: *const [u32]; - let mut _3: usize; - let mut _4: usize; scope 1 (inlined std::ptr::const_ptr::::get_unchecked::>) { - scope 2 (inlined as SliceIndex<[u32]>>::get_unchecked) { - let _5: usize; - let mut _6: *const u32; - let mut _7: *const u32; - scope 3 { - scope 6 (inlined std::ptr::const_ptr::::as_ptr) { - } - scope 7 (inlined std::ptr::const_ptr::::add) { - } - scope 8 (inlined slice_from_raw_parts::) { - } - } - scope 4 (inlined std::ptr::const_ptr::::len) { - scope 5 (inlined std::ptr::metadata::<[u32]>) { - } - } - } } bb0: { - _3 = move (_2.0: usize); - _4 = move (_2.1: usize); - StorageLive(_5); - _5 = SubUnchecked(_4, _3); - StorageLive(_7); - StorageLive(_6); - _6 = _1 as *const u32 (PtrToPtr); - _7 = Offset(_6, _3); - StorageDead(_6); - _0 = *const [u32] from (_7, _5); - StorageDead(_7); - StorageDead(_5); + _0 = as SliceIndex<[u32]>>::get_unchecked(move _2, move _1) -> [return: bb1, unwind unreachable]; + } + + bb1: { return; } } diff --git a/tests/mir-opt/pre-codegen/slice_index.slice_ptr_get_unchecked_range.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_index.slice_ptr_get_unchecked_range.PreCodegen.after.panic-unwind.mir index 000432ccca7d..74e8158e7543 100644 --- a/tests/mir-opt/pre-codegen/slice_index.slice_ptr_get_unchecked_range.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/slice_index.slice_ptr_get_unchecked_range.PreCodegen.after.panic-unwind.mir @@ -4,41 +4,14 @@ fn slice_ptr_get_unchecked_range(_1: *const [u32], _2: std::ops::Range) - debug slice => _1; debug index => _2; let mut _0: *const [u32]; - let mut _3: usize; - let mut _4: usize; scope 1 (inlined std::ptr::const_ptr::::get_unchecked::>) { - scope 2 (inlined as SliceIndex<[u32]>>::get_unchecked) { - let _5: usize; - let mut _6: *const u32; - let mut _7: *const u32; - scope 3 { - scope 6 (inlined std::ptr::const_ptr::::as_ptr) { - } - scope 7 (inlined std::ptr::const_ptr::::add) { - } - scope 8 (inlined slice_from_raw_parts::) { - } - } - scope 4 (inlined std::ptr::const_ptr::::len) { - scope 5 (inlined std::ptr::metadata::<[u32]>) { - } - } - } } bb0: { - _3 = move (_2.0: usize); - _4 = move (_2.1: usize); - StorageLive(_5); - _5 = SubUnchecked(_4, _3); - StorageLive(_7); - StorageLive(_6); - _6 = _1 as *const u32 (PtrToPtr); - _7 = Offset(_6, _3); - StorageDead(_6); - _0 = *const [u32] from (_7, _5); - StorageDead(_7); - StorageDead(_5); + _0 = as SliceIndex<[u32]>>::get_unchecked(move _2, move _1) -> [return: bb1, unwind continue]; + } + + bb1: { return; } } From 5888de8cbe20589846f459bb35bfa26206c81e50 Mon Sep 17 00:00:00 2001 From: Erik Desjardins Date: Thu, 23 May 2024 22:47:27 -0400 Subject: [PATCH 0490/1716] tidy: validate LLVM component names in tests LLVM component names are not immediately obvious (they usually omit any suffixes on the target arch name), and if they're incorrect, the test will silently never run. --- src/tools/tidy/src/target_specific_tests.rs | 30 +++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/src/tools/tidy/src/target_specific_tests.rs b/src/tools/tidy/src/target_specific_tests.rs index c876aae494dd..5a402f3cc601 100644 --- a/src/tools/tidy/src/target_specific_tests.rs +++ b/src/tools/tidy/src/target_specific_tests.rs @@ -10,6 +10,25 @@ use crate::walk::filter_not_rust; const LLVM_COMPONENTS_HEADER: &str = "needs-llvm-components:"; const COMPILE_FLAGS_HEADER: &str = "compile-flags:"; +const KNOWN_LLVM_COMPONENTS: &[&str] = &[ + "aarch64", + "arm", + "avr", + "bpf", + "hexagon", + "loongarch", + "m68k", + "mips", + "msp430", + "nvptx", + "powerpc", + "riscv", + "sparc", + "systemz", + "webassembly", + "x86", +]; + #[derive(Default, Debug)] struct RevisionInfo<'a> { target_arch: Option<&'a str>, @@ -68,6 +87,17 @@ pub fn check(path: &Path, bad: &mut bool) { // gathered. } } + if let Some(llvm_components) = llvm_components { + for component in llvm_components { + if !KNOWN_LLVM_COMPONENTS.contains(component) { + eprintln!( + "{}: revision {} specifies unknown LLVM component `{}`", + file, rev, component + ); + *bad = true; + } + } + } } }); } From 9ce95c30b25c1c789914d54c9b3eac4fec134dfe Mon Sep 17 00:00:00 2001 From: The Miri Cronjob Bot Date: Fri, 24 May 2024 04:56:26 +0000 Subject: [PATCH 0491/1716] Preparing for merge from rustc --- src/tools/miri/rust-version | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/miri/rust-version b/src/tools/miri/rust-version index 22a6a297259d..d3840775da96 100644 --- a/src/tools/miri/rust-version +++ b/src/tools/miri/rust-version @@ -1 +1 @@ -9cdfe285ca724c801dc9f78d22b24ea69b787f26 +78dd504f2fd87c0cfabff7d9174253411caf2f80 From 4763eaf0663757b3f7fa963b13bcb7d7a2a70119 Mon Sep 17 00:00:00 2001 From: The Miri Cronjob Bot Date: Fri, 24 May 2024 05:05:00 +0000 Subject: [PATCH 0492/1716] fmt --- src/tools/miri/src/shims/x86/mod.rs | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/src/tools/miri/src/shims/x86/mod.rs b/src/tools/miri/src/shims/x86/mod.rs index 74c2b0c61af8..04ad979cf5d5 100644 --- a/src/tools/miri/src/shims/x86/mod.rs +++ b/src/tools/miri/src/shims/x86/mod.rs @@ -79,9 +79,14 @@ pub(super) trait EvalContextExt<'mir, 'tcx: 'mir>: let a = this.read_immediate(a)?; let b = this.read_immediate(b)?; - let (sub, overflow1) = this.binary_op(mir::BinOp::SubWithOverflow, &a, &b)?.to_pair(this); + let (sub, overflow1) = + this.binary_op(mir::BinOp::SubWithOverflow, &a, &b)?.to_pair(this); let (sub, overflow2) = this - .binary_op(mir::BinOp::SubWithOverflow, &sub, &ImmTy::from_uint(b_in, a.layout))? + .binary_op( + mir::BinOp::SubWithOverflow, + &sub, + &ImmTy::from_uint(b_in, a.layout), + )? .to_pair(this); let b_out = overflow1.to_scalar().to_bool()? | overflow2.to_scalar().to_bool()?; From c1ac4a2f2840e312af84d453751861f400fd6798 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Fri, 24 May 2024 15:08:18 +1000 Subject: [PATCH 0493/1716] Run rustfmt on files that need it. Somehow these files aren't properly formatted. By default `x fmt` and `x tidy` only check files that have changed against master, so if an ill-formatted file somehow slips in it can stay that way as long as it doesn't get modified(?) I found these when I ran `x fmt` explicitly on every `.rs` file in the repo, while working on https://github.com/rust-lang/compiler-team/issues/750. --- compiler/rustc_codegen_ssa/src/base.rs | 2 +- .../rustc_const_eval/src/const_eval/error.rs | 7 ++--- .../rustc_incremental/src/persist/load.rs | 3 +- .../src/for_loops_over_fallibles.rs | 4 ++- library/test/src/bench.rs | 2 +- src/bootstrap/src/core/builder/tests.rs | 29 +++++++++++++++---- src/bootstrap/src/core/sanity.rs | 10 +++++-- src/tools/build_helper/src/lib.rs | 2 +- 8 files changed, 41 insertions(+), 18 deletions(-) diff --git a/compiler/rustc_codegen_ssa/src/base.rs b/compiler/rustc_codegen_ssa/src/base.rs index b4556f8fcb8f..5d7eb0525615 100644 --- a/compiler/rustc_codegen_ssa/src/base.rs +++ b/compiler/rustc_codegen_ssa/src/base.rs @@ -29,8 +29,8 @@ use rustc_middle::middle::debugger_visualizer::{DebuggerVisualizerFile, Debugger use rustc_middle::middle::exported_symbols; use rustc_middle::middle::exported_symbols::SymbolExportKind; use rustc_middle::middle::lang_items; -use rustc_middle::mir::BinOp; use rustc_middle::mir::mono::{CodegenUnit, CodegenUnitNameBuilder, MonoItem}; +use rustc_middle::mir::BinOp; use rustc_middle::query::Providers; use rustc_middle::ty::layout::{HasTyCtxt, LayoutOf, TyAndLayout}; use rustc_middle::ty::{self, Instance, Ty, TyCtxt}; diff --git a/compiler/rustc_const_eval/src/const_eval/error.rs b/compiler/rustc_const_eval/src/const_eval/error.rs index 7a1c2a7b6fa5..650669ac690b 100644 --- a/compiler/rustc_const_eval/src/const_eval/error.rs +++ b/compiler/rustc_const_eval/src/const_eval/error.rs @@ -139,10 +139,9 @@ where ErrorHandled::TooGeneric(span) } err_inval!(AlreadyReported(guar)) => ErrorHandled::Reported(guar, span), - err_inval!(Layout(LayoutError::ReferencesError(guar))) => ErrorHandled::Reported( - ReportedErrorInfo::tainted_by_errors(guar), - span, - ), + err_inval!(Layout(LayoutError::ReferencesError(guar))) => { + ErrorHandled::Reported(ReportedErrorInfo::tainted_by_errors(guar), span) + } // Report remaining errors. _ => { let (our_span, frames) = get_span_and_frames(); diff --git a/compiler/rustc_incremental/src/persist/load.rs b/compiler/rustc_incremental/src/persist/load.rs index 6c3f73cf4659..af667a57ce12 100644 --- a/compiler/rustc_incremental/src/persist/load.rs +++ b/compiler/rustc_incremental/src/persist/load.rs @@ -116,8 +116,7 @@ fn load_dep_graph(sess: &Session) -> LoadResult<(Arc, WorkPr if let LoadResult::Ok { data: (work_products_data, start_pos) } = load_result { // Decode the list of work_products - let Ok(mut work_product_decoder) = - MemDecoder::new(&work_products_data[..], start_pos) + let Ok(mut work_product_decoder) = MemDecoder::new(&work_products_data[..], start_pos) else { sess.dcx().emit_warn(errors::CorruptFile { path: &work_products_path }); return LoadResult::DataOutOfDate; diff --git a/compiler/rustc_lint/src/for_loops_over_fallibles.rs b/compiler/rustc_lint/src/for_loops_over_fallibles.rs index b05f5e7638b4..aa00fb4573d8 100644 --- a/compiler/rustc_lint/src/for_loops_over_fallibles.rs +++ b/compiler/rustc_lint/src/for_loops_over_fallibles.rs @@ -62,7 +62,9 @@ impl<'tcx> LateLintPass<'tcx> for ForLoopsOverFallibles { }; let (article, ty, var) = match adt.did() { - did if cx.tcx.is_diagnostic_item(sym::Option, did) && ref_mutability.is_some() => ("a", "Option", "Some"), + did if cx.tcx.is_diagnostic_item(sym::Option, did) && ref_mutability.is_some() => { + ("a", "Option", "Some") + } did if cx.tcx.is_diagnostic_item(sym::Option, did) => ("an", "Option", "Some"), did if cx.tcx.is_diagnostic_item(sym::Result, did) => ("a", "Result", "Ok"), _ => return, diff --git a/library/test/src/bench.rs b/library/test/src/bench.rs index 9a5dc351f6d0..64ca13c0d4ed 100644 --- a/library/test/src/bench.rs +++ b/library/test/src/bench.rs @@ -98,7 +98,7 @@ fn fmt_thousands_sep(mut n: f64, sep: char) -> String { (0, true) => write!(output, "{:06.2}", n / base as f64).unwrap(), (0, false) => write!(output, "{:.2}", n / base as f64).unwrap(), (_, true) => write!(output, "{:03}", n as usize / base).unwrap(), - _ => write!(output, "{}", n as usize / base).unwrap() + _ => write!(output, "{}", n as usize / base).unwrap(), } if pow != 0 { output.push(sep); diff --git a/src/bootstrap/src/core/builder/tests.rs b/src/bootstrap/src/core/builder/tests.rs index 9710365ef114..276fd0b11d64 100644 --- a/src/bootstrap/src/core/builder/tests.rs +++ b/src/bootstrap/src/core/builder/tests.rs @@ -60,7 +60,14 @@ fn check_cli(paths: [&str; N]) { macro_rules! std { ($host:ident => $target:ident, stage = $stage:literal) => { compile::Std::new( - Compiler { host: TargetSelection::from_user(concat!(stringify!($host), "-", stringify!($host))), stage: $stage }, + Compiler { + host: TargetSelection::from_user(concat!( + stringify!($host), + "-", + stringify!($host) + )), + stage: $stage, + }, TargetSelection::from_user(concat!(stringify!($target), "-", stringify!($target))), ) }; @@ -83,7 +90,14 @@ macro_rules! doc_std { macro_rules! rustc { ($host:ident => $target:ident, stage = $stage:literal) => { compile::Rustc::new( - Compiler { host: TargetSelection::from_user(concat!(stringify!($host), "-", stringify!($host))), stage: $stage }, + Compiler { + host: TargetSelection::from_user(concat!( + stringify!($host), + "-", + stringify!($host) + )), + stage: $stage, + }, TargetSelection::from_user(concat!(stringify!($target), "-", stringify!($target))), ) }; @@ -141,10 +155,14 @@ fn check_missing_paths_for_x_test_tests() { // Skip if not a test directory. if path.ends_with("tests/auxiliary") || !path.is_dir() { - continue + continue; } - assert!(tests_remap_paths.iter().any(|item| path.ends_with(*item)), "{} is missing in PATH_REMAP tests list.", path.display()); + assert!( + tests_remap_paths.iter().any(|item| path.ends_with(*item)), + "{} is missing in PATH_REMAP tests list.", + path.display() + ); } } @@ -185,7 +203,8 @@ fn alias_and_path_for_library() { &[std!(A => A, stage = 0), std!(A => A, stage = 1)] ); - let mut cache = run_build(&["library".into(), "core".into()], configure("doc", &["A-A"], &["A-A"])); + let mut cache = + run_build(&["library".into(), "core".into()], configure("doc", &["A-A"], &["A-A"])); assert_eq!(first(cache.all::()), &[doc_std!(A => A, stage = 0)]); } diff --git a/src/bootstrap/src/core/sanity.rs b/src/bootstrap/src/core/sanity.rs index 9c3df6fa9e39..8ffa97ab78b5 100644 --- a/src/bootstrap/src/core/sanity.rs +++ b/src/bootstrap/src/core/sanity.rs @@ -199,11 +199,15 @@ than building it. if !["A-A", "B-B", "C-C"].contains(&target_str.as_str()) { let mut has_target = false; - let missing_targets_hashset: HashSet<_> = STAGE0_MISSING_TARGETS.iter().map(|t| t.to_string()).collect(); - let duplicated_targets: Vec<_> = stage0_supported_target_list.intersection(&missing_targets_hashset).collect(); + let missing_targets_hashset: HashSet<_> = + STAGE0_MISSING_TARGETS.iter().map(|t| t.to_string()).collect(); + let duplicated_targets: Vec<_> = + stage0_supported_target_list.intersection(&missing_targets_hashset).collect(); if !duplicated_targets.is_empty() { - println!("Following targets supported from the stage0 compiler, please remove them from STAGE0_MISSING_TARGETS list."); + println!( + "Following targets supported from the stage0 compiler, please remove them from STAGE0_MISSING_TARGETS list." + ); for duplicated_target in duplicated_targets { println!(" {duplicated_target}"); } diff --git a/src/tools/build_helper/src/lib.rs b/src/tools/build_helper/src/lib.rs index 6a4e86eb1dfe..2abda5d3ebf2 100644 --- a/src/tools/build_helper/src/lib.rs +++ b/src/tools/build_helper/src/lib.rs @@ -1,5 +1,5 @@ pub mod ci; pub mod git; pub mod metrics; -pub mod util; pub mod stage0_parser; +pub mod util; From 1eda5805168172d5f9aa00f9f1d872e8ebbb78a9 Mon Sep 17 00:00:00 2001 From: Urgau Date: Fri, 24 May 2024 08:05:37 +0200 Subject: [PATCH 0494/1716] Bump bootstrap compiler to the latest beta compiler --- src/stage0 | 856 ++++++++++++++++++++++++++--------------------------- 1 file changed, 428 insertions(+), 428 deletions(-) diff --git a/src/stage0 b/src/stage0 index 5ec8f5b715e0..72f50b787a7a 100644 --- a/src/stage0 +++ b/src/stage0 @@ -14,434 +14,434 @@ nightly_branch=master # All changes below this comment will be overridden the next time the # tool is executed. -compiler_date=2024-04-29 +compiler_date=2024-05-24 compiler_version=beta -rustfmt_date=2024-04-29 +rustfmt_date=2024-05-24 rustfmt_version=nightly -dist/2024-04-29/cargo-beta-aarch64-apple-darwin.tar.gz=5a8c5e48a88e7c7b41eb720d60fbd2e879b97639c7ff83710526e8e6caaf8afb -dist/2024-04-29/cargo-beta-aarch64-apple-darwin.tar.xz=0d237535ae8d435d99104fa5b9dbf41878e2304bb0f2eb574bf17dd685caadc2 -dist/2024-04-29/cargo-beta-aarch64-pc-windows-msvc.tar.gz=c56733bb6198af0a9b0df9a44ef979150e00de33b70853c239cccfcce23c328f 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+dist/2024-05-24/rustc-nightly-x86_64-apple-darwin.tar.xz=405b2a99f9a34c1d1195ab88bf6fb696fadb6c2988a3d83555e2ac4de80ba4e5 \ No newline at end of file From 02eada8f8dca08f42560063d99d87fc1c258fd7f Mon Sep 17 00:00:00 2001 From: Urgau Date: Fri, 24 May 2024 08:08:41 +0200 Subject: [PATCH 0495/1716] Remove now outdated comment since we bumped stage0 --- library/alloc/Cargo.toml | 1 - library/core/Cargo.toml | 1 - library/std/Cargo.toml | 1 - 3 files changed, 3 deletions(-) diff --git a/library/alloc/Cargo.toml b/library/alloc/Cargo.toml index 3960f7168126..4646eaced018 100644 --- a/library/alloc/Cargo.toml +++ b/library/alloc/Cargo.toml @@ -45,7 +45,6 @@ optimize_for_size = ["core/optimize_for_size"] level = "warn" # x.py uses beta cargo, so `check-cfg` entries do not yet take effect # for rust-lang/rust. But for users of `-Zbuild-std` it does. -# The unused warning is waiting for rust-lang/cargo#13925 to reach beta. check-cfg = [ 'cfg(bootstrap)', 'cfg(no_global_oom_handling)', diff --git a/library/core/Cargo.toml b/library/core/Cargo.toml index 0c2642341235..cf9fddd269aa 100644 --- a/library/core/Cargo.toml +++ b/library/core/Cargo.toml @@ -41,7 +41,6 @@ debug_refcell = [] level = "warn" # x.py uses beta cargo, so `check-cfg` entries do not yet take effect # for rust-lang/rust. But for users of `-Zbuild-std` it does. -# The unused warning is waiting for rust-lang/cargo#13925 to reach beta. check-cfg = [ 'cfg(bootstrap)', 'cfg(no_fp_fmt_parse)', diff --git a/library/std/Cargo.toml b/library/std/Cargo.toml index e56f03808b31..bc78c63c577c 100644 --- a/library/std/Cargo.toml +++ b/library/std/Cargo.toml @@ -102,7 +102,6 @@ test = true level = "warn" # x.py uses beta cargo, so `check-cfg` entries do not yet take effect # for rust-lang/rust. But for users of `-Zbuild-std` it does. -# The unused warning is waiting for rust-lang/cargo#13925 to reach beta. check-cfg = [ 'cfg(bootstrap)', 'cfg(target_arch, values("xtensa"))', From 561bd9a5ecd0cd7c5ff006dbdb59685a07432a27 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Fri, 24 May 2024 08:17:12 +0200 Subject: [PATCH 0496/1716] add back some tokio features --- src/tools/miri/test_dependencies/Cargo.lock | 10 ++++++++++ src/tools/miri/test_dependencies/Cargo.toml | 4 +++- 2 files changed, 13 insertions(+), 1 deletion(-) diff --git a/src/tools/miri/test_dependencies/Cargo.lock b/src/tools/miri/test_dependencies/Cargo.lock index c73d13a4620c..d534fdab2914 100644 --- a/src/tools/miri/test_dependencies/Cargo.lock +++ b/src/tools/miri/test_dependencies/Cargo.lock @@ -253,6 +253,15 @@ dependencies = [ "windows-sys 0.52.0", ] +[[package]] +name = "signal-hook-registry" +version = "1.4.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a9e9e0b4211b72e7b8b6e85c807d36c212bdb33ea8587f7569562a84df5465b1" +dependencies = [ + "libc", +] + [[package]] name = "socket2" version = "0.5.7" @@ -297,6 +306,7 @@ dependencies = [ "mio", "num_cpus", "pin-project-lite", + "signal-hook-registry", "socket2", "tokio-macros", "windows-sys 0.48.0", diff --git a/src/tools/miri/test_dependencies/Cargo.toml b/src/tools/miri/test_dependencies/Cargo.toml index e40dd50a444d..ce11a8abb0ea 100644 --- a/src/tools/miri/test_dependencies/Cargo.toml +++ b/src/tools/miri/test_dependencies/Cargo.toml @@ -18,7 +18,9 @@ getrandom_02 = { package = "getrandom", version = "0.2", features = ["js"] } [target.'cfg(not(any(target_arch = "wasm32", target_arch = "wasm64")))'.dependencies] tempfile = "3" page_size = "0.6" -tokio = { version = "1.24", features = ["macros", "rt-multi-thread", "time", "net"] } +# Avoid pulling in all of tokio's dependencies. +# However, without `net` and `signal`, tokio uses fewer relevant system APIs. +tokio = { version = "1.24", features = ["macros", "rt-multi-thread", "time", "net", "fs", "sync", "signal"] } [target.'cfg(windows)'.dependencies] windows-sys = { version = "0.52", features = [ "Win32_Foundation", "Win32_System_Threading" ] } From d83f3ca8ca2d20eadf92a135a1a4b65ca91a24f6 Mon Sep 17 00:00:00 2001 From: Scott McMurray Date: Thu, 23 May 2024 23:17:58 -0700 Subject: [PATCH 0497/1716] Validate the special layout restriction on DynMetadata --- .../src/transform/validate.rs | 9 +++++++ library/core/src/ptr/metadata.rs | 27 +++++++++++++------ 2 files changed, 28 insertions(+), 8 deletions(-) diff --git a/compiler/rustc_const_eval/src/transform/validate.rs b/compiler/rustc_const_eval/src/transform/validate.rs index 3a2b2c5f3002..66cc65de6470 100644 --- a/compiler/rustc_const_eval/src/transform/validate.rs +++ b/compiler/rustc_const_eval/src/transform/validate.rs @@ -685,6 +685,15 @@ impl<'a, 'tcx> Visitor<'tcx> for TypeChecker<'a, 'tcx> { check_equal(self, location, *f_ty); } ty::Adt(adt_def, args) => { + // see + if Some(adt_def.did()) == self.tcx.lang_items().dyn_metadata() { + self.fail( + location, + format!("You can't project to field {f:?} of `DynMetadata` because \ + layout is weird and thinks it doesn't have fields."), + ); + } + let var = parent_ty.variant_index.unwrap_or(FIRST_VARIANT); let Some(field) = adt_def.variant(var).fields.get(f) else { fail_out_of_bounds(self, location); diff --git a/library/core/src/ptr/metadata.rs b/library/core/src/ptr/metadata.rs index eb815b6d822c..e501970b580d 100644 --- a/library/core/src/ptr/metadata.rs +++ b/library/core/src/ptr/metadata.rs @@ -178,8 +178,8 @@ impl Clone for PtrComponents { /// compare equal (since identical vtables can be deduplicated within a codegen unit). #[lang = "dyn_metadata"] pub struct DynMetadata { - vtable_ptr: &'static VTable, - phantom: crate::marker::PhantomData, + _vtable_ptr: &'static VTable, + _phantom: crate::marker::PhantomData, } extern "C" { @@ -191,6 +191,17 @@ extern "C" { } impl DynMetadata { + /// One of the things that rustc_middle does with this being a lang item is + /// give it `FieldsShape::Primitive`, which means that as far as codegen can + /// tell, it *is* a reference, and thus doesn't have any fields. + /// That means we can't use field access, and have to transmute it instead. + #[inline] + fn vtable_ptr(self) -> *const VTable { + // SAFETY: this layout assumption is hard-coded into the compiler. + // If it's somehow not a size match, the transmute will error. + unsafe { crate::mem::transmute::(self) } + } + /// Returns the size of the type associated with this vtable. #[inline] pub fn size_of(self) -> usize { @@ -199,7 +210,7 @@ impl DynMetadata { // `Send` part! // SAFETY: DynMetadata always contains a valid vtable pointer return unsafe { - crate::intrinsics::vtable_size(self.vtable_ptr as *const VTable as *const ()) + crate::intrinsics::vtable_size(self.vtable_ptr() as *const ()) }; } @@ -208,7 +219,7 @@ impl DynMetadata { pub fn align_of(self) -> usize { // SAFETY: DynMetadata always contains a valid vtable pointer return unsafe { - crate::intrinsics::vtable_align(self.vtable_ptr as *const VTable as *const ()) + crate::intrinsics::vtable_align(self.vtable_ptr() as *const ()) }; } @@ -226,7 +237,7 @@ unsafe impl Sync for DynMetadata {} impl fmt::Debug for DynMetadata { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.debug_tuple("DynMetadata").field(&(self.vtable_ptr as *const VTable)).finish() + f.debug_tuple("DynMetadata").field(&self.vtable_ptr()).finish() } } @@ -248,7 +259,7 @@ impl Eq for DynMetadata {} impl PartialEq for DynMetadata { #[inline] fn eq(&self, other: &Self) -> bool { - crate::ptr::eq::(self.vtable_ptr, other.vtable_ptr) + crate::ptr::eq::(self.vtable_ptr(), other.vtable_ptr()) } } @@ -256,7 +267,7 @@ impl Ord for DynMetadata { #[inline] #[allow(ambiguous_wide_pointer_comparisons)] fn cmp(&self, other: &Self) -> crate::cmp::Ordering { - (self.vtable_ptr as *const VTable).cmp(&(other.vtable_ptr as *const VTable)) + <*const VTable>::cmp(&self.vtable_ptr(), &other.vtable_ptr()) } } @@ -270,6 +281,6 @@ impl PartialOrd for DynMetadata { impl Hash for DynMetadata { #[inline] fn hash(&self, hasher: &mut H) { - crate::ptr::hash::(self.vtable_ptr, hasher) + crate::ptr::hash::(self.vtable_ptr(), hasher) } } From 7f30b20b28f44e37df29f4de2c74a86d35b1b72b Mon Sep 17 00:00:00 2001 From: Jakob Schwarz Date: Wed, 22 May 2024 09:01:37 +0200 Subject: [PATCH 0498/1716] fulfill expectations in `check_partial_eq_without_eq` changelog: fulfill expectations in [derive_partial_eq_without_eq] --- clippy_lints/src/derive.rs | 17 +++++++++---- tests/ui/derive_partial_eq_without_eq.fixed | 17 +++++++++++++ tests/ui/derive_partial_eq_without_eq.rs | 17 +++++++++++++ tests/ui/derive_partial_eq_without_eq.stderr | 26 ++++++++++---------- 4 files changed, 59 insertions(+), 18 deletions(-) diff --git a/clippy_lints/src/derive.rs b/clippy_lints/src/derive.rs index 19dedceae6d4..ecdef0eee54b 100644 --- a/clippy_lints/src/derive.rs +++ b/clippy_lints/src/derive.rs @@ -1,4 +1,4 @@ -use clippy_utils::diagnostics::{span_lint_and_note, span_lint_and_sugg, span_lint_and_then, span_lint_hir_and_then}; +use clippy_utils::diagnostics::{span_lint_and_note, span_lint_and_then, span_lint_hir_and_then}; use clippy_utils::ty::{implements_trait, implements_trait_with_env, is_copy}; use clippy_utils::{has_non_exhaustive_attr, is_lint_allowed, match_def_path, paths}; use rustc_errors::Applicability; @@ -456,20 +456,27 @@ fn check_partial_eq_without_eq<'tcx>(cx: &LateContext<'tcx>, span: Span, trait_r && !has_non_exhaustive_attr(cx.tcx, *adt) && !ty_implements_eq_trait(cx.tcx, ty, eq_trait_def_id) && let param_env = param_env_for_derived_eq(cx.tcx, adt.did(), eq_trait_def_id) + && let Some(local_def_id) = adt.did().as_local() // If all of our fields implement `Eq`, we can implement `Eq` too && adt .all_fields() .map(|f| f.ty(cx.tcx, args)) .all(|ty| implements_trait_with_env(cx.tcx, param_env, ty, eq_trait_def_id, None, &[])) { - span_lint_and_sugg( + span_lint_hir_and_then( cx, DERIVE_PARTIAL_EQ_WITHOUT_EQ, + cx.tcx.local_def_id_to_hir_id(local_def_id), span.ctxt().outer_expn_data().call_site, "you are deriving `PartialEq` and can implement `Eq`", - "consider deriving `Eq` as well", - "PartialEq, Eq".to_string(), - Applicability::MachineApplicable, + |diag| { + diag.span_suggestion( + span.ctxt().outer_expn_data().call_site, + "consider deriving `Eq` as well", + "PartialEq, Eq", + Applicability::MachineApplicable, + ); + }, ); } } diff --git a/tests/ui/derive_partial_eq_without_eq.fixed b/tests/ui/derive_partial_eq_without_eq.fixed index 6f42487bbf49..eb93eb8e8ed4 100644 --- a/tests/ui/derive_partial_eq_without_eq.fixed +++ b/tests/ui/derive_partial_eq_without_eq.fixed @@ -1,3 +1,4 @@ +#![feature(lint_reasons)] #![allow(unused)] #![warn(clippy::derive_partial_eq_without_eq)] @@ -14,6 +15,22 @@ pub struct MissingEq { bar: String, } +// Check that we honor the `allow` attribute +#[allow(clippy::derive_partial_eq_without_eq)] +#[derive(Debug, PartialEq)] +pub struct AllowedMissingEq { + foo: u32, + bar: String, +} + +// Check that we honor the `expect` attribute +#[expect(clippy::derive_partial_eq_without_eq)] +#[derive(Debug, PartialEq)] +pub struct ExpectedMissingEq { + foo: u32, + bar: String, +} + // Eq is derived #[derive(PartialEq, Eq)] pub struct NotMissingEq { diff --git a/tests/ui/derive_partial_eq_without_eq.rs b/tests/ui/derive_partial_eq_without_eq.rs index 24f687c6c9db..42dc435bdd52 100644 --- a/tests/ui/derive_partial_eq_without_eq.rs +++ b/tests/ui/derive_partial_eq_without_eq.rs @@ -1,3 +1,4 @@ +#![feature(lint_reasons)] #![allow(unused)] #![warn(clippy::derive_partial_eq_without_eq)] @@ -14,6 +15,22 @@ pub struct MissingEq { bar: String, } +// Check that we honor the `allow` attribute +#[allow(clippy::derive_partial_eq_without_eq)] +#[derive(Debug, PartialEq)] +pub struct AllowedMissingEq { + foo: u32, + bar: String, +} + +// Check that we honor the `expect` attribute +#[expect(clippy::derive_partial_eq_without_eq)] +#[derive(Debug, PartialEq)] +pub struct ExpectedMissingEq { + foo: u32, + bar: String, +} + // Eq is derived #[derive(PartialEq, Eq)] pub struct NotMissingEq { diff --git a/tests/ui/derive_partial_eq_without_eq.stderr b/tests/ui/derive_partial_eq_without_eq.stderr index 3d92112dc36d..29cd7da6b77d 100644 --- a/tests/ui/derive_partial_eq_without_eq.stderr +++ b/tests/ui/derive_partial_eq_without_eq.stderr @@ -1,5 +1,5 @@ error: you are deriving `PartialEq` and can implement `Eq` - --> tests/ui/derive_partial_eq_without_eq.rs:11:17 + --> tests/ui/derive_partial_eq_without_eq.rs:12:17 | LL | #[derive(Debug, PartialEq)] | ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq` @@ -8,73 +8,73 @@ LL | #[derive(Debug, PartialEq)] = help: to override `-D warnings` add `#[allow(clippy::derive_partial_eq_without_eq)]` error: you are deriving `PartialEq` and can implement `Eq` - --> tests/ui/derive_partial_eq_without_eq.rs:53:10 + --> tests/ui/derive_partial_eq_without_eq.rs:70:10 | LL | #[derive(PartialEq)] | ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq` error: you are deriving `PartialEq` and can implement `Eq` - --> tests/ui/derive_partial_eq_without_eq.rs:59:10 + --> tests/ui/derive_partial_eq_without_eq.rs:76:10 | LL | #[derive(PartialEq)] | ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq` error: you are deriving `PartialEq` and can implement `Eq` - --> tests/ui/derive_partial_eq_without_eq.rs:65:10 + --> tests/ui/derive_partial_eq_without_eq.rs:82:10 | LL | #[derive(PartialEq)] | ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq` error: you are deriving `PartialEq` and can implement `Eq` - --> tests/ui/derive_partial_eq_without_eq.rs:68:10 + --> tests/ui/derive_partial_eq_without_eq.rs:85:10 | LL | #[derive(PartialEq)] | ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq` error: you are deriving `PartialEq` and can implement `Eq` - --> tests/ui/derive_partial_eq_without_eq.rs:74:10 + --> tests/ui/derive_partial_eq_without_eq.rs:91:10 | LL | #[derive(PartialEq)] | ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq` error: you are deriving `PartialEq` and can implement `Eq` - --> tests/ui/derive_partial_eq_without_eq.rs:80:10 + --> tests/ui/derive_partial_eq_without_eq.rs:97:10 | LL | #[derive(PartialEq)] | ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq` error: you are deriving `PartialEq` and can implement `Eq` - --> tests/ui/derive_partial_eq_without_eq.rs:93:17 + --> tests/ui/derive_partial_eq_without_eq.rs:110:17 | LL | #[derive(Debug, PartialEq, Clone)] | ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq` error: you are deriving `PartialEq` and can implement `Eq` - --> tests/ui/derive_partial_eq_without_eq.rs:96:10 + --> tests/ui/derive_partial_eq_without_eq.rs:113:10 | LL | #[derive(PartialEq)] | ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq` error: you are deriving `PartialEq` and can implement `Eq` - --> tests/ui/derive_partial_eq_without_eq.rs:103:14 + --> tests/ui/derive_partial_eq_without_eq.rs:120:14 | LL | #[derive(PartialEq)] | ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq` error: you are deriving `PartialEq` and can implement `Eq` - --> tests/ui/derive_partial_eq_without_eq.rs:106:14 + --> tests/ui/derive_partial_eq_without_eq.rs:123:14 | LL | #[derive(PartialEq)] | ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq` error: you are deriving `PartialEq` and can implement `Eq` - --> tests/ui/derive_partial_eq_without_eq.rs:166:14 + --> tests/ui/derive_partial_eq_without_eq.rs:183:14 | LL | #[derive(PartialEq)] | ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq` error: you are deriving `PartialEq` and can implement `Eq` - --> tests/ui/derive_partial_eq_without_eq.rs:174:14 + --> tests/ui/derive_partial_eq_without_eq.rs:191:14 | LL | #[derive(PartialEq)] | ^^^^^^^^^ help: consider deriving `Eq` as well: `PartialEq, Eq` From e78671e61fa14cd541a1f6ae357a0d1f070e2cd1 Mon Sep 17 00:00:00 2001 From: Xinzhao Xu Date: Fri, 24 May 2024 15:43:40 +0800 Subject: [PATCH 0499/1716] Fix the dead link in the bootstrap README --- src/bootstrap/README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/bootstrap/README.md b/src/bootstrap/README.md index 077db44ae54e..fb3c86270430 100644 --- a/src/bootstrap/README.md +++ b/src/bootstrap/README.md @@ -6,7 +6,7 @@ and some of the technical details of the build system. Note that this README only covers internal information, not how to use the tool. Please check [bootstrapping dev guide][bootstrapping-dev-guide] for further information. -[bootstrapping-dev-guide]: https://rustc-dev-guide.rust-lang.org/building/bootstrapping.html +[bootstrapping-dev-guide]: https://rustc-dev-guide.rust-lang.org/building/bootstrapping/intro.html ## Introduction From b84620ff17b386969052d26b2868aa7e2557be79 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Fri, 24 May 2024 10:10:07 +0200 Subject: [PATCH 0500/1716] extend comments --- src/tools/miri/src/alloc_bytes.rs | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/src/tools/miri/src/alloc_bytes.rs b/src/tools/miri/src/alloc_bytes.rs index 0ae581dacdce..97841a05cdeb 100644 --- a/src/tools/miri/src/alloc_bytes.rs +++ b/src/tools/miri/src/alloc_bytes.rs @@ -14,8 +14,7 @@ pub struct MiriAllocBytes { layout: alloc::Layout, /// Pointer to the allocation contents. /// Invariant: - /// * If `self.layout.size() == 0`, then `self.ptr` is some suitably aligned pointer - /// that was allocated with the same layout but `size == 1`. + /// * If `self.layout.size() == 0`, then `self.ptr` was allocated with the equivalent layout with size 1. /// * Otherwise, `self.ptr` points to memory allocated with `self.layout`. ptr: *mut u8, } @@ -30,6 +29,8 @@ impl Clone for MiriAllocBytes { impl Drop for MiriAllocBytes { fn drop(&mut self) { + // We have to reconstruct the actual layout used for allocation. + // (`Deref` relies on `size` so we can't just always set it to at least 1.) let alloc_layout = if self.layout.size() == 0 { Layout::from_size_align(1, self.layout.align()).unwrap() } else { From e2ef4e1b0d94ba481ca4d379bb9f1d883e6c0b07 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jakub=20Ber=C3=A1nek?= Date: Fri, 24 May 2024 10:36:44 +0200 Subject: [PATCH 0501/1716] Notify kobzol after changes to `opt-dist` --- triagebot.toml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/triagebot.toml b/triagebot.toml index 2e45b257f812..95fa3befe60f 100644 --- a/triagebot.toml +++ b/triagebot.toml @@ -842,6 +842,9 @@ cc = ["@Zalathar"] message = "Some changes occurred in coverage tests." cc = ["@Zalathar"] +[mentions."src/tools/opt-dist"] +cc = ["@kobzol"] + [assign] warn_non_default_branch = true contributing_url = "https://rustc-dev-guide.rust-lang.org/getting-started.html" @@ -1059,6 +1062,7 @@ project-exploit-mitigations = [ "/src/tools/cargo" = ["@ehuss"] "/src/tools/compiletest" = ["bootstrap", "@wesleywiser", "@oli-obk", "@compiler-errors", "@jieyouxu"] "/src/tools/linkchecker" = ["@ehuss"] +"/src/tools/opt-dist" = ["@kobzol"] "/src/tools/run-make-support" = ["@jieyouxu"] "/src/tools/rust-installer" = ["bootstrap"] "/src/tools/rustbook" = ["@ehuss"] From 9dc76207ffdb225c4f4615dd59bce356b25eeab8 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Thu, 23 May 2024 13:37:39 +0000 Subject: [PATCH 0502/1716] Fail relating constants of different types --- .../rustc_infer/src/infer/relate/combine.rs | 13 +++---- tests/crashes/121585-1.rs | 13 ------- tests/crashes/121585-2.rs | 30 ---------------- tests/crashes/121858-2.rs | 20 ----------- tests/crashes/124151.rs | 14 -------- .../ui/const-generics/bad-subst-const-kind.rs | 2 +- .../bad-subst-const-kind.stderr | 15 +++----- .../generic_const_exprs/type_mismatch.rs | 2 +- .../generic_const_exprs/type_mismatch.stderr | 14 +++----- .../consts/eval_type_mismatch.rs} | 7 ++-- tests/ui/consts/eval_type_mismatch.stderr | 34 ++++++++++++++++++ .../bad-const-wf-doesnt-specialize.rs | 3 +- .../bad-const-wf-doesnt-specialize.stderr | 36 ++++++++++++++----- 13 files changed, 84 insertions(+), 119 deletions(-) delete mode 100644 tests/crashes/121585-1.rs delete mode 100644 tests/crashes/121585-2.rs delete mode 100644 tests/crashes/121858-2.rs delete mode 100644 tests/crashes/124151.rs rename tests/{crashes/121858.rs => ui/consts/eval_type_mismatch.rs} (53%) create mode 100644 tests/ui/consts/eval_type_mismatch.stderr diff --git a/compiler/rustc_infer/src/infer/relate/combine.rs b/compiler/rustc_infer/src/infer/relate/combine.rs index 101598c59512..fa5b9179c888 100644 --- a/compiler/rustc_infer/src/infer/relate/combine.rs +++ b/compiler/rustc_infer/src/infer/relate/combine.rs @@ -168,7 +168,7 @@ impl<'tcx> InferCtxt<'tcx> { // ourselves with a check to find bugs being required for code to compile because it made inference progress. self.probe(|_| { if a.ty() == b.ty() { - return; + return Ok(()); } // We don't have access to trait solving machinery in `rustc_infer` so the logic for determining if the @@ -178,18 +178,15 @@ impl<'tcx> InferCtxt<'tcx> { relation.param_env().and((a.ty(), b.ty())), &mut OriginalQueryValues::default(), ); - self.tcx.check_tys_might_be_eq(canonical).unwrap_or_else(|_| { + self.tcx.check_tys_might_be_eq(canonical).map_err(|_| { // The error will only be reported later. If we emit an ErrorGuaranteed // here, then we will never get to the code that actually emits the error. self.tcx.dcx().delayed_bug(format!( "cannot relate consts of different types (a={a:?}, b={b:?})", )); - // We treat these constants as if they were of the same type, so that any - // such constants being used in impls make these impls match barring other mismatches. - // This helps with diagnostics down the road. - }); - }); - + TypeError::Mismatch + }) + })?; match (a.kind(), b.kind()) { ( ty::ConstKind::Infer(InferConst::Var(a_vid)), diff --git a/tests/crashes/121585-1.rs b/tests/crashes/121585-1.rs deleted file mode 100644 index 2a4638efcabd..000000000000 --- a/tests/crashes/121585-1.rs +++ /dev/null @@ -1,13 +0,0 @@ -//@ known-bug: #121585 -#![feature(generic_const_exprs)] - -trait Trait {} - -struct HasCastInTraitImpl; -impl Trait for HasCastInTraitImpl {} - -pub fn use_trait_impl() { - fn assert_impl() {} - - assert_impl::>(); -} diff --git a/tests/crashes/121585-2.rs b/tests/crashes/121585-2.rs deleted file mode 100644 index 99cc8f791955..000000000000 --- a/tests/crashes/121585-2.rs +++ /dev/null @@ -1,30 +0,0 @@ -//@ known-bug: #121585 -//@ check-pass -#![feature(generic_const_exprs)] -#![allow(incomplete_features)] - -trait Trait {} -pub struct EvaluatableU128; - -struct HasCastInTraitImpl; -impl Trait for HasCastInTraitImpl {} - -pub fn use_trait_impl() where EvaluatableU128<{N as u128}>:, { - fn assert_impl() {} - - assert_impl::>(); - assert_impl::>(); - assert_impl::>(); - assert_impl::>(); -} -pub fn use_trait_impl_2() where EvaluatableU128<{N as _}>:, { - fn assert_impl() {} - - assert_impl::>(); - assert_impl::>(); - assert_impl::>()const NUM: u8 = xyz(); - assert_impl::>(); -} - - -fn main() {} diff --git a/tests/crashes/121858-2.rs b/tests/crashes/121858-2.rs deleted file mode 100644 index cb80c081cffa..000000000000 --- a/tests/crashes/121858-2.rs +++ /dev/null @@ -1,20 +0,0 @@ -//@ known-bug: #121858 -#![allow(named_arguments_used_positionally)] -#![feature(generic_const_exprs)] -struct Inner; -impl Inner where [(); N + M]: { - fn i() -> Self { - Self - } -} - -struct Outer(Inner) where [(); A + (B * 2)]:; -impl Outer where [(); A + (B * 2)]: { - fn o() -> Union { - Self(Inner::i()) - } -} - -fn main() { - Outer::<1, 1>::o(); -} diff --git a/tests/crashes/124151.rs b/tests/crashes/124151.rs deleted file mode 100644 index 5e55ac2aa943..000000000000 --- a/tests/crashes/124151.rs +++ /dev/null @@ -1,14 +0,0 @@ -//@ known-bug: #124151 -#![feature(generic_const_exprs)] - -use std::ops::Add; - -pub struct Dimension; - -pub struct Quantity(S); - -impl Add for Quantity {} - -pub fn add(x: Quantity) -> Quantity { - x + y -} diff --git a/tests/ui/const-generics/bad-subst-const-kind.rs b/tests/ui/const-generics/bad-subst-const-kind.rs index ca5522a2ddf3..88f98a54b6e6 100644 --- a/tests/ui/const-generics/bad-subst-const-kind.rs +++ b/tests/ui/const-generics/bad-subst-const-kind.rs @@ -11,4 +11,4 @@ impl Q for [u8; N] { } pub fn test() -> [u8; <[u8; 13] as Q>::ASSOC] { todo!() } -//~^ ERROR: the constant `13` is not of type `u64` +//~^ ERROR: `[u8; 13]: Q` is not satisfied diff --git a/tests/ui/const-generics/bad-subst-const-kind.stderr b/tests/ui/const-generics/bad-subst-const-kind.stderr index c04a05573bed..6cf9fa743b34 100644 --- a/tests/ui/const-generics/bad-subst-const-kind.stderr +++ b/tests/ui/const-generics/bad-subst-const-kind.stderr @@ -1,16 +1,10 @@ -error: the constant `13` is not of type `u64` +error[E0277]: the trait bound `[u8; 13]: Q` is not satisfied --> $DIR/bad-subst-const-kind.rs:13:24 | LL | pub fn test() -> [u8; <[u8; 13] as Q>::ASSOC] { todo!() } - | ^^^^^^^^ expected `u64`, found `usize` + | ^^^^^^^^ the trait `Q` is not implemented for `[u8; 13]` | -note: required for `[u8; 13]` to implement `Q` - --> $DIR/bad-subst-const-kind.rs:8:20 - | -LL | impl Q for [u8; N] { - | ------------ ^ ^^^^^^^ - | | - | unsatisfied trait bound introduced here + = help: the trait `Q` is implemented for `[u8; N]` error[E0308]: mismatched types --> $DIR/bad-subst-const-kind.rs:8:31 @@ -20,4 +14,5 @@ LL | impl Q for [u8; N] { error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0308`. +Some errors have detailed explanations: E0277, E0308. +For more information about an error, try `rustc --explain E0277`. diff --git a/tests/ui/const-generics/generic_const_exprs/type_mismatch.rs b/tests/ui/const-generics/generic_const_exprs/type_mismatch.rs index 6b0d9e047dbc..285f9dee6c27 100644 --- a/tests/ui/const-generics/generic_const_exprs/type_mismatch.rs +++ b/tests/ui/const-generics/generic_const_exprs/type_mismatch.rs @@ -10,7 +10,7 @@ impl Q for [u8; N] {} //~| ERROR mismatched types pub fn q_user() -> [u8; <[u8; 13] as Q>::ASSOC] {} -//~^ ERROR the constant `13` is not of type `u64` +//~^ ERROR `[u8; 13]: Q` is not satisfied //~| ERROR mismatched types pub fn main() {} diff --git a/tests/ui/const-generics/generic_const_exprs/type_mismatch.stderr b/tests/ui/const-generics/generic_const_exprs/type_mismatch.stderr index bb6d650b7ab2..a63a56dd6753 100644 --- a/tests/ui/const-generics/generic_const_exprs/type_mismatch.stderr +++ b/tests/ui/const-generics/generic_const_exprs/type_mismatch.stderr @@ -7,19 +7,13 @@ LL | const ASSOC: usize; LL | impl Q for [u8; N] {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `ASSOC` in implementation -error: the constant `13` is not of type `u64` +error[E0277]: the trait bound `[u8; 13]: Q` is not satisfied --> $DIR/type_mismatch.rs:12:26 | LL | pub fn q_user() -> [u8; <[u8; 13] as Q>::ASSOC] {} - | ^^^^^^^^ expected `u64`, found `usize` + | ^^^^^^^^ the trait `Q` is not implemented for `[u8; 13]` | -note: required for `[u8; 13]` to implement `Q` - --> $DIR/type_mismatch.rs:8:20 - | -LL | impl Q for [u8; N] {} - | ------------ ^ ^^^^^^^ - | | - | unsatisfied trait bound introduced here + = help: the trait `Q` is implemented for `[u8; N]` error[E0308]: mismatched types --> $DIR/type_mismatch.rs:12:20 @@ -37,5 +31,5 @@ LL | impl Q for [u8; N] {} error: aborting due to 4 previous errors -Some errors have detailed explanations: E0046, E0308. +Some errors have detailed explanations: E0046, E0277, E0308. For more information about an error, try `rustc --explain E0046`. diff --git a/tests/crashes/121858.rs b/tests/ui/consts/eval_type_mismatch.rs similarity index 53% rename from tests/crashes/121858.rs rename to tests/ui/consts/eval_type_mismatch.rs index 7d5bae37f846..3d821ab538ec 100644 --- a/tests/crashes/121858.rs +++ b/tests/ui/consts/eval_type_mismatch.rs @@ -1,14 +1,17 @@ -//@ known-bug: #121858 #![feature(generic_const_exprs)] +#![allow(incomplete_features)] struct Outer(); impl Outer +//~^ ERROR: `A` is not of type `i64` +//~| ERROR: mismatched types where [(); A + (B * 2)]:, { - fn o() -> Union {} + fn o() {} } fn main() { Outer::<1, 1>::o(); + //~^ ERROR: no function or associated item named `o` found } diff --git a/tests/ui/consts/eval_type_mismatch.stderr b/tests/ui/consts/eval_type_mismatch.stderr new file mode 100644 index 000000000000..38d6e33d4067 --- /dev/null +++ b/tests/ui/consts/eval_type_mismatch.stderr @@ -0,0 +1,34 @@ +error: the constant `A` is not of type `i64` + --> $DIR/eval_type_mismatch.rs:5:38 + | +LL | impl Outer + | ^^^^^^^^^^^ expected `i64`, found `usize` + | +note: required by a bound in `Outer` + --> $DIR/eval_type_mismatch.rs:4:14 + | +LL | struct Outer(); + | ^^^^^^^^^^^^ required by this bound in `Outer` + +error[E0599]: no function or associated item named `o` found for struct `Outer<1, 1>` in the current scope + --> $DIR/eval_type_mismatch.rs:15:20 + | +LL | struct Outer(); + | ------------------------------------------ function or associated item `o` not found for this struct +... +LL | Outer::<1, 1>::o(); + | ^ function or associated item not found in `Outer<1, 1>` + | + = note: the function or associated item was found for + - `Outer` + +error[E0308]: mismatched types + --> $DIR/eval_type_mismatch.rs:5:44 + | +LL | impl Outer + | ^ expected `i64`, found `usize` + +error: aborting due to 3 previous errors + +Some errors have detailed explanations: E0308, E0599. +For more information about an error, try `rustc --explain E0308`. diff --git a/tests/ui/specialization/min_specialization/bad-const-wf-doesnt-specialize.rs b/tests/ui/specialization/min_specialization/bad-const-wf-doesnt-specialize.rs index f89a463bc580..4d1cd4332fee 100644 --- a/tests/ui/specialization/min_specialization/bad-const-wf-doesnt-specialize.rs +++ b/tests/ui/specialization/min_specialization/bad-const-wf-doesnt-specialize.rs @@ -7,7 +7,8 @@ struct S; impl Copy for S {} //~^ ERROR: mismatched types +//~| ERROR: the trait bound `S: Clone` is not satisfied +//~| ERROR: the constant `N` is not of type `usize` impl Copy for S {} -//~^ ERROR: conflicting implementations of trait `Copy` for type `S<_>` fn main() {} diff --git a/tests/ui/specialization/min_specialization/bad-const-wf-doesnt-specialize.stderr b/tests/ui/specialization/min_specialization/bad-const-wf-doesnt-specialize.stderr index 1dac58e1f694..716a47879482 100644 --- a/tests/ui/specialization/min_specialization/bad-const-wf-doesnt-specialize.stderr +++ b/tests/ui/specialization/min_specialization/bad-const-wf-doesnt-specialize.stderr @@ -1,11 +1,29 @@ -error[E0119]: conflicting implementations of trait `Copy` for type `S<_>` - --> $DIR/bad-const-wf-doesnt-specialize.rs:10:1 +error[E0277]: the trait bound `S: Clone` is not satisfied + --> $DIR/bad-const-wf-doesnt-specialize.rs:8:29 | LL | impl Copy for S {} - | -------------------------------- first implementation here -LL | -LL | impl Copy for S {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `S<_>` + | ^^^^ the trait `Clone` is not implemented for `S` + | + = help: the trait `Clone` is implemented for `S` +note: required by a bound in `Copy` + --> $SRC_DIR/core/src/marker.rs:LL:COL +help: consider annotating `S` with `#[derive(Clone)]` + | +LL + #[derive(Clone)] +LL | struct S; + | + +error: the constant `N` is not of type `usize` + --> $DIR/bad-const-wf-doesnt-specialize.rs:8:29 + | +LL | impl Copy for S {} + | ^^^^ expected `usize`, found `i32` + | +note: required by a bound in `S` + --> $DIR/bad-const-wf-doesnt-specialize.rs:6:10 + | +LL | struct S; + | ^^^^^^^^^^^^^^ required by this bound in `S` error[E0308]: mismatched types --> $DIR/bad-const-wf-doesnt-specialize.rs:8:31 @@ -13,7 +31,7 @@ error[E0308]: mismatched types LL | impl Copy for S {} | ^ expected `usize`, found `i32` -error: aborting due to 2 previous errors +error: aborting due to 3 previous errors -Some errors have detailed explanations: E0119, E0308. -For more information about an error, try `rustc --explain E0119`. +Some errors have detailed explanations: E0277, E0308. +For more information about an error, try `rustc --explain E0277`. From d5eb7a71b3c869eb9e15f10da6eb92303b96dfb5 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Thu, 23 May 2024 16:23:41 +0000 Subject: [PATCH 0503/1716] Use regular type equating instead of a custom query --- .../rustc_infer/src/infer/relate/combine.rs | 36 ++++--------------- compiler/rustc_middle/src/query/mod.rs | 9 ----- .../rustc_trait_selection/src/traits/misc.rs | 21 +---------- .../rustc_trait_selection/src/traits/mod.rs | 1 - tests/crashes/119381.rs | 6 ---- .../generic_const_type_mismatch.rs | 12 +++++++ .../generic_const_type_mismatch.stderr | 15 ++++++++ .../ui/const-generics/issues/issue-105821.rs | 8 ++++- .../const-generics/issues/issue-105821.stderr | 8 +++++ 9 files changed, 50 insertions(+), 66 deletions(-) delete mode 100644 tests/crashes/119381.rs create mode 100644 tests/ui/coherence/negative-coherence/generic_const_type_mismatch.rs create mode 100644 tests/ui/coherence/negative-coherence/generic_const_type_mismatch.stderr create mode 100644 tests/ui/const-generics/issues/issue-105821.stderr diff --git a/compiler/rustc_infer/src/infer/relate/combine.rs b/compiler/rustc_infer/src/infer/relate/combine.rs index fa5b9179c888..7e7d4f43c7cc 100644 --- a/compiler/rustc_infer/src/infer/relate/combine.rs +++ b/compiler/rustc_infer/src/infer/relate/combine.rs @@ -22,11 +22,11 @@ use super::glb::Glb; use super::lub::Lub; use super::type_relating::TypeRelating; use super::StructurallyRelateAliases; -use crate::infer::{DefineOpaqueTypes, InferCtxt, TypeTrace}; +use crate::infer::{DefineOpaqueTypes, InferCtxt, InferOk, TypeTrace}; use crate::traits::{Obligation, PredicateObligations}; use rustc_middle::bug; -use rustc_middle::infer::canonical::OriginalQueryValues; use rustc_middle::infer::unify_key::EffectVarValue; +use rustc_middle::traits::ObligationCause; use rustc_middle::ty::error::{ExpectedFound, TypeError}; use rustc_middle::ty::relate::{RelateResult, TypeRelation}; use rustc_middle::ty::{self, InferConst, Ty, TyCtxt, TypeVisitableExt, Upcast}; @@ -159,34 +159,12 @@ impl<'tcx> InferCtxt<'tcx> { let a = self.shallow_resolve_const(a); let b = self.shallow_resolve_const(b); - // We should never have to relate the `ty` field on `Const` as it is checked elsewhere that consts have the - // correct type for the generic param they are an argument for. However there have been a number of cases - // historically where asserting that the types are equal has found bugs in the compiler so this is valuable - // to check even if it is a bit nasty impl wise :( - // - // This probe is probably not strictly necessary but it seems better to be safe and not accidentally find - // ourselves with a check to find bugs being required for code to compile because it made inference progress. - self.probe(|_| { - if a.ty() == b.ty() { - return Ok(()); - } + // It is always an error if the types of two constants that are related are not equal. + let InferOk { value: (), obligations } = self + .at(&ObligationCause::dummy_with_span(relation.span()), relation.param_env()) + .eq(DefineOpaqueTypes::No, a.ty(), b.ty())?; + relation.register_obligations(obligations); - // We don't have access to trait solving machinery in `rustc_infer` so the logic for determining if the - // two const param's types are able to be equal has to go through a canonical query with the actual logic - // in `rustc_trait_selection`. - let canonical = self.canonicalize_query( - relation.param_env().and((a.ty(), b.ty())), - &mut OriginalQueryValues::default(), - ); - self.tcx.check_tys_might_be_eq(canonical).map_err(|_| { - // The error will only be reported later. If we emit an ErrorGuaranteed - // here, then we will never get to the code that actually emits the error. - self.tcx.dcx().delayed_bug(format!( - "cannot relate consts of different types (a={a:?}, b={b:?})", - )); - TypeError::Mismatch - }) - })?; match (a.kind(), b.kind()) { ( ty::ConstKind::Infer(InferConst::Var(a_vid)), diff --git a/compiler/rustc_middle/src/query/mod.rs b/compiler/rustc_middle/src/query/mod.rs index 5a6decc4f949..8ca7a465c2a8 100644 --- a/compiler/rustc_middle/src/query/mod.rs +++ b/compiler/rustc_middle/src/query/mod.rs @@ -2218,15 +2218,6 @@ rustc_queries! { separate_provide_extern } - /// Used in `super_combine_consts` to ICE if the type of the two consts are definitely not going to end up being - /// equal to eachother. This might return `Ok` even if the types are not equal, but will never return `Err` if - /// the types might be equal. - query check_tys_might_be_eq( - arg: Canonical<'tcx, ty::ParamEnvAnd<'tcx, (Ty<'tcx>, Ty<'tcx>)>> - ) -> Result<(), NoSolution> { - desc { "check whether two const param are definitely not equal to eachother"} - } - /// Get all item paths that were stripped by a `#[cfg]` in a particular crate. /// Should not be called for the local crate before the resolver outputs are created, as it /// is only fed there. diff --git a/compiler/rustc_trait_selection/src/traits/misc.rs b/compiler/rustc_trait_selection/src/traits/misc.rs index da2b004761fc..a1094d982768 100644 --- a/compiler/rustc_trait_selection/src/traits/misc.rs +++ b/compiler/rustc_trait_selection/src/traits/misc.rs @@ -1,17 +1,14 @@ //! Miscellaneous type-system utilities that are too small to deserve their own modules. use crate::regions::InferCtxtRegionExt; -use crate::traits::{self, ObligationCause, ObligationCtxt}; +use crate::traits::{self, ObligationCause}; use hir::LangItem; use rustc_data_structures::fx::FxIndexSet; use rustc_hir as hir; -use rustc_infer::infer::canonical::Canonical; use rustc_infer::infer::{RegionResolutionError, TyCtxtInferExt}; -use rustc_infer::traits::query::NoSolution; use rustc_infer::{infer::outlives::env::OutlivesEnvironment, traits::FulfillmentError}; use rustc_middle::ty::{self, AdtDef, Ty, TyCtxt, TypeVisitableExt}; -use rustc_span::DUMMY_SP; use super::outlives_bounds::InferCtxtExt; @@ -207,19 +204,3 @@ pub fn all_fields_implement_trait<'tcx>( if infringing.is_empty() { Ok(()) } else { Err(infringing) } } - -pub fn check_tys_might_be_eq<'tcx>( - tcx: TyCtxt<'tcx>, - canonical: Canonical<'tcx, ty::ParamEnvAnd<'tcx, (Ty<'tcx>, Ty<'tcx>)>>, -) -> Result<(), NoSolution> { - let (infcx, key, _) = tcx.infer_ctxt().build_with_canonical(DUMMY_SP, &canonical); - let (param_env, (ty_a, ty_b)) = key.into_parts(); - let ocx = ObligationCtxt::new(&infcx); - - let result = ocx.eq(&ObligationCause::dummy(), param_env, ty_a, ty_b); - // use `select_where_possible` instead of `select_all_or_error` so that - // we don't get errors from obligations being ambiguous. - let errors = ocx.select_where_possible(); - - if errors.len() > 0 || result.is_err() { Err(NoSolution) } else { Ok(()) } -} diff --git a/compiler/rustc_trait_selection/src/traits/mod.rs b/compiler/rustc_trait_selection/src/traits/mod.rs index 204bb487c860..f6003a250281 100644 --- a/compiler/rustc_trait_selection/src/traits/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/mod.rs @@ -551,7 +551,6 @@ pub fn provide(providers: &mut Providers) { specialization_graph_of: specialize::specialization_graph_provider, specializes: specialize::specializes, instantiate_and_check_impossible_predicates, - check_tys_might_be_eq: misc::check_tys_might_be_eq, is_impossible_associated_item, ..*providers }; diff --git a/tests/crashes/119381.rs b/tests/crashes/119381.rs deleted file mode 100644 index 51d1d084ba2b..000000000000 --- a/tests/crashes/119381.rs +++ /dev/null @@ -1,6 +0,0 @@ -//@ known-bug: #119381 - -#![feature(with_negative_coherence)] -trait Trait {} -impl Trait for [(); N] {} -impl Trait for [(); N] {} diff --git a/tests/ui/coherence/negative-coherence/generic_const_type_mismatch.rs b/tests/ui/coherence/negative-coherence/generic_const_type_mismatch.rs new file mode 100644 index 000000000000..89d0b74d4030 --- /dev/null +++ b/tests/ui/coherence/negative-coherence/generic_const_type_mismatch.rs @@ -0,0 +1,12 @@ +//! This test used to ICE (#119381), because relating the `u8` and `i8` generic +//! const with the array length of the `Self` type was succeeding under the +//! assumption that an error had already been reported. + +#![feature(with_negative_coherence)] +trait Trait {} +impl Trait for [(); N] {} +//~^ ERROR: mismatched types +impl Trait for [(); N] {} +//~^ ERROR: mismatched types + +fn main() {} diff --git a/tests/ui/coherence/negative-coherence/generic_const_type_mismatch.stderr b/tests/ui/coherence/negative-coherence/generic_const_type_mismatch.stderr new file mode 100644 index 000000000000..d19502546602 --- /dev/null +++ b/tests/ui/coherence/negative-coherence/generic_const_type_mismatch.stderr @@ -0,0 +1,15 @@ +error[E0308]: mismatched types + --> $DIR/generic_const_type_mismatch.rs:7:34 + | +LL | impl Trait for [(); N] {} + | ^ expected `usize`, found `u8` + +error[E0308]: mismatched types + --> $DIR/generic_const_type_mismatch.rs:9:34 + | +LL | impl Trait for [(); N] {} + | ^ expected `usize`, found `i8` + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/const-generics/issues/issue-105821.rs b/tests/ui/const-generics/issues/issue-105821.rs index a0a98103b2cd..282cbe9249d9 100644 --- a/tests/ui/const-generics/issues/issue-105821.rs +++ b/tests/ui/const-generics/issues/issue-105821.rs @@ -1,4 +1,10 @@ -//@ check-pass +//@ failure-status: 101 +//@ known-bug: unknown +//@ normalize-stderr-test "note: .*\n\n" -> "" +//@ normalize-stderr-test "thread 'rustc' panicked.*\n.*\n" -> "" +//@ normalize-stderr-test "(error: internal compiler error: [^:]+):\d+:\d+: " -> "$1:LL:CC: " +//@ normalize-stderr-test "delayed at .*" -> "" +//@ rustc-env:RUST_BACKTRACE=0 #![allow(incomplete_features)] #![feature(adt_const_params, generic_const_exprs)] diff --git a/tests/ui/const-generics/issues/issue-105821.stderr b/tests/ui/const-generics/issues/issue-105821.stderr new file mode 100644 index 000000000000..1f0fc0f33ce4 --- /dev/null +++ b/tests/ui/const-generics/issues/issue-105821.stderr @@ -0,0 +1,8 @@ +error: internal compiler error: compiler/rustc_borrowck/src/universal_regions.rs:LL:CC: cannot convert `'{erased}` to a region vid + +query stack during panic: +#0 [mir_borrowck] borrow-checking `::R` +#1 [analysis] running analysis passes on this crate +end of query stack +error: aborting due to 1 previous error + From daff84372d67fe39e13b35fdcd3f6f4267a0063a Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Fri, 24 May 2024 11:19:30 +0200 Subject: [PATCH 0504/1716] Migrate `run-make/rustdoc-with-output-dir-option` to `rmake.rs` --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - .../run-make/rustdoc-with-output-option/Makefile | 8 -------- .../run-make/rustdoc-with-output-option/rmake.rs | 16 ++++++++++++++++ 3 files changed, 16 insertions(+), 9 deletions(-) delete mode 100644 tests/run-make/rustdoc-with-output-option/Makefile create mode 100644 tests/run-make/rustdoc-with-output-option/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index ad900ce03861..9a6ae18abead 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -228,7 +228,6 @@ run-make/rmeta-preferred/Makefile run-make/rustc-macro-dep-files/Makefile run-make/rustdoc-io-error/Makefile run-make/rustdoc-verify-output-files/Makefile -run-make/rustdoc-with-output-option/Makefile run-make/sanitizer-cdylib-link/Makefile run-make/sanitizer-dylib-link/Makefile run-make/sanitizer-staticlib-link/Makefile diff --git a/tests/run-make/rustdoc-with-output-option/Makefile b/tests/run-make/rustdoc-with-output-option/Makefile deleted file mode 100644 index d0a8205a8ee5..000000000000 --- a/tests/run-make/rustdoc-with-output-option/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -include ../tools.mk - -OUTPUT_DIR := "$(TMPDIR)/rustdoc" - -all: - $(RUSTDOC) src/lib.rs --crate-name foobar --crate-type lib --output $(OUTPUT_DIR) - - $(HTMLDOCCK) $(OUTPUT_DIR) src/lib.rs diff --git a/tests/run-make/rustdoc-with-output-option/rmake.rs b/tests/run-make/rustdoc-with-output-option/rmake.rs new file mode 100644 index 000000000000..1a009419273e --- /dev/null +++ b/tests/run-make/rustdoc-with-output-option/rmake.rs @@ -0,0 +1,16 @@ +use run_make_support::{htmldocck, rustdoc, tmp_dir}; + +fn main() { + let out_dir = tmp_dir().join("rustdoc"); + + rustdoc() + .input("src/lib.rs") + .crate_name("foobar") + .crate_type("lib") + // This is intentionally using `--output` option flag and not the `output()` method. + .arg("--output") + .arg(&out_dir) + .run(); + + assert!(htmldocck().arg(out_dir).arg("src/lib.rs").status().unwrap().success()); +} From 5f0531da05114b473cb04edce0d4374d516b9125 Mon Sep 17 00:00:00 2001 From: joboet Date: Thu, 14 Mar 2024 14:25:09 +0100 Subject: [PATCH 0505/1716] std: simplify key-based thread locals --- library/std/src/sys/thread_local/mod.rs | 83 ---------- library/std/src/sys/thread_local/os_local.rs | 162 +++++++------------ 2 files changed, 60 insertions(+), 185 deletions(-) diff --git a/library/std/src/sys/thread_local/mod.rs b/library/std/src/sys/thread_local/mod.rs index 36f6f907e721..1acf1f8d8c16 100644 --- a/library/std/src/sys/thread_local/mod.rs +++ b/library/std/src/sys/thread_local/mod.rs @@ -24,89 +24,6 @@ cfg_if::cfg_if! { } } -// Not used by the fast-local TLS anymore. -// FIXME(#110897): remove this. -#[allow(unused)] -mod lazy { - use crate::cell::UnsafeCell; - use crate::hint; - use crate::mem; - - pub struct LazyKeyInner { - inner: UnsafeCell>, - } - - impl LazyKeyInner { - pub const fn new() -> LazyKeyInner { - LazyKeyInner { inner: UnsafeCell::new(None) } - } - - pub unsafe fn get(&self) -> Option<&'static T> { - // SAFETY: The caller must ensure no reference is ever handed out to - // the inner cell nor mutable reference to the Option inside said - // cell. This make it safe to hand a reference, though the lifetime - // of 'static is itself unsafe, making the get method unsafe. - unsafe { (*self.inner.get()).as_ref() } - } - - /// The caller must ensure that no reference is active: this method - /// needs unique access. - pub unsafe fn initialize T>(&self, init: F) -> &'static T { - // Execute the initialization up front, *then* move it into our slot, - // just in case initialization fails. - let value = init(); - let ptr = self.inner.get(); - - // SAFETY: - // - // note that this can in theory just be `*ptr = Some(value)`, but due to - // the compiler will currently codegen that pattern with something like: - // - // ptr::drop_in_place(ptr) - // ptr::write(ptr, Some(value)) - // - // Due to this pattern it's possible for the destructor of the value in - // `ptr` (e.g., if this is being recursively initialized) to re-access - // TLS, in which case there will be a `&` and `&mut` pointer to the same - // value (an aliasing violation). To avoid setting the "I'm running a - // destructor" flag we just use `mem::replace` which should sequence the - // operations a little differently and make this safe to call. - // - // The precondition also ensures that we are the only one accessing - // `self` at the moment so replacing is fine. - unsafe { - let _ = mem::replace(&mut *ptr, Some(value)); - } - - // SAFETY: With the call to `mem::replace` it is guaranteed there is - // a `Some` behind `ptr`, not a `None` so `unreachable_unchecked` - // will never be reached. - unsafe { - // After storing `Some` we want to get a reference to the contents of - // what we just stored. While we could use `unwrap` here and it should - // always work it empirically doesn't seem to always get optimized away, - // which means that using something like `try_with` can pull in - // panicking code and cause a large size bloat. - match *ptr { - Some(ref x) => x, - None => hint::unreachable_unchecked(), - } - } - } - - /// Watch out: unsynchronized internal mutability! - /// - /// # Safety - /// Causes UB if any reference to the value is used after this. - #[allow(unused)] - pub(crate) unsafe fn take(&self) -> Option { - let mutable: *mut _ = UnsafeCell::get(&self.inner); - // SAFETY: That's the caller's problem. - unsafe { mutable.replace(None) } - } - } -} - /// Run a callback in a scenario which must not unwind (such as a `extern "C" /// fn` declared in a user crate). If the callback unwinds anyway, then /// `rtabort` with a message about thread local panicking on drop. diff --git a/library/std/src/sys/thread_local/os_local.rs b/library/std/src/sys/thread_local/os_local.rs index 3edffd7e4437..6b24fe254a15 100644 --- a/library/std/src/sys/thread_local/os_local.rs +++ b/library/std/src/sys/thread_local/os_local.rs @@ -1,7 +1,8 @@ -use super::lazy::LazyKeyInner; +use super::abort_on_dtor_unwind; use crate::cell::Cell; -use crate::sys_common::thread_local_key::StaticKey as OsStaticKey; -use crate::{fmt, marker, panic, ptr}; +use crate::marker::PhantomData; +use crate::sys_common::thread_local_key::StaticKey as OsKey; +use crate::{panic, ptr}; #[doc(hidden)] #[allow_internal_unstable(thread_local_internals)] @@ -10,38 +11,9 @@ use crate::{fmt, marker, panic, ptr}; #[rustc_macro_transparency = "semitransparent"] pub macro thread_local_inner { // used to generate the `LocalKey` value for const-initialized thread locals - (@key $t:ty, const $init:expr) => {{ - #[inline] - #[deny(unsafe_op_in_unsafe_fn)] - unsafe fn __getit( - _init: $crate::option::Option<&mut $crate::option::Option<$t>>, - ) -> $crate::option::Option<&'static $t> { - const INIT_EXPR: $t = $init; - - // On platforms without `#[thread_local]` we fall back to the - // same implementation as below for os thread locals. - #[inline] - const fn __init() -> $t { INIT_EXPR } - static __KEY: $crate::thread::local_impl::Key<$t> = - $crate::thread::local_impl::Key::new(); - unsafe { - __KEY.get(move || { - if let $crate::option::Option::Some(init) = _init { - if let $crate::option::Option::Some(value) = init.take() { - return value; - } else if $crate::cfg!(debug_assertions) { - $crate::unreachable!("missing initial value"); - } - } - __init() - }) - } - } - - unsafe { - $crate::thread::LocalKey::new(__getit) - } - }}, + (@key $t:ty, const $init:expr) => { + $crate::thread::local_impl::thread_local_inner!(@key $t, { const INIT_EXPR: $t = $init; INIT_EXPR }) + }, // used to generate the `LocalKey` value for `thread_local!` (@key $t:ty, $init:expr) => { @@ -55,20 +27,11 @@ pub macro thread_local_inner { unsafe fn __getit( init: $crate::option::Option<&mut $crate::option::Option<$t>>, ) -> $crate::option::Option<&'static $t> { - static __KEY: $crate::thread::local_impl::Key<$t> = - $crate::thread::local_impl::Key::new(); + use $crate::thread::local_impl::Key; + static __KEY: Key<$t> = Key::new(); unsafe { - __KEY.get(move || { - if let $crate::option::Option::Some(init) = init { - if let $crate::option::Option::Some(value) = init.take() { - return value; - } else if $crate::cfg!(debug_assertions) { - $crate::unreachable!("missing default value"); - } - } - __init() - }) + __KEY.get(init, __init) } } @@ -85,78 +48,78 @@ pub macro thread_local_inner { /// Use a regular global static to store this key; the state provided will then be /// thread-local. +#[allow(missing_debug_implementations)] pub struct Key { - // OS-TLS key that we'll use to key off. - os: OsStaticKey, - marker: marker::PhantomData>, -} - -impl fmt::Debug for Key { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.debug_struct("Key").finish_non_exhaustive() - } + os: OsKey, + marker: PhantomData>, } unsafe impl Sync for Key {} struct Value { - inner: LazyKeyInner, + value: T, key: &'static Key, } impl Key { #[rustc_const_unstable(feature = "thread_local_internals", issue = "none")] pub const fn new() -> Key { - Key { os: OsStaticKey::new(Some(destroy_value::)), marker: marker::PhantomData } + Key { os: OsKey::new(Some(destroy_value::)), marker: PhantomData } } - /// It is a requirement for the caller to ensure that no mutable - /// reference is active when this method is called. - pub unsafe fn get(&'static self, init: impl FnOnce() -> T) -> Option<&'static T> { - // SAFETY: See the documentation for this method. + /// Get the value associated with this key, initializating it if necessary. + /// + /// # Safety + /// * the returned reference must not be used after recursive initialization + /// or thread destruction occurs. + pub unsafe fn get( + &'static self, + i: Option<&mut Option>, + f: impl FnOnce() -> T, + ) -> Option<&'static T> { + // SAFETY: (FIXME: get should actually be safe) let ptr = unsafe { self.os.get() as *mut Value }; if ptr.addr() > 1 { // SAFETY: the check ensured the pointer is safe (its destructor // is not running) + it is coming from a trusted source (self). - if let Some(ref value) = unsafe { (*ptr).inner.get() } { - return Some(value); - } + unsafe { Some(&(*ptr).value) } + } else { + // SAFETY: At this point we are sure we have no value and so + // initializing (or trying to) is safe. + unsafe { self.try_initialize(ptr, i, f) } } - // SAFETY: At this point we are sure we have no value and so - // initializing (or trying to) is safe. - unsafe { self.try_initialize(init) } } - // `try_initialize` is only called once per os thread local variable, - // except in corner cases where thread_local dtors reference other - // thread_local's, or it is being recursively initialized. - unsafe fn try_initialize(&'static self, init: impl FnOnce() -> T) -> Option<&'static T> { - // SAFETY: No mutable references are ever handed out meaning getting - // the value is ok. - let ptr = unsafe { self.os.get() as *mut Value }; + unsafe fn try_initialize( + &'static self, + ptr: *mut Value, + i: Option<&mut Option>, + f: impl FnOnce() -> T, + ) -> Option<&'static T> { if ptr.addr() == 1 { // destructor is running return None; } - let ptr = if ptr.is_null() { - // If the lookup returned null, we haven't initialized our own - // local copy, so do that now. - let ptr = Box::into_raw(Box::new(Value { inner: LazyKeyInner::new(), key: self })); - // SAFETY: At this point we are sure there is no value inside - // ptr so setting it will not affect anyone else. - unsafe { - self.os.set(ptr as *mut u8); - } - ptr - } else { - // recursive initialization - ptr - }; + let value = i.and_then(Option::take).unwrap_or_else(f); + let ptr = Box::into_raw(Box::new(Value { value, key: self })); + // SAFETY: (FIXME: get should actually be safe) + let old = unsafe { self.os.get() as *mut Value }; + // SAFETY: `ptr` is a correct pointer that can be destroyed by the key destructor. + unsafe { + self.os.set(ptr as *mut u8); + } + if !old.is_null() { + // If the variable was recursively initialized, drop the old value. + // SAFETY: We cannot be inside a `LocalKey::with` scope, as the + // initializer has already returned and the next scope only starts + // after we return the pointer. Therefore, there can be no references + // to the old value. + drop(unsafe { Box::from_raw(old) }); + } - // SAFETY: ptr has been ensured as non-NUL just above an so can be - // dereferenced safely. - unsafe { Some((*ptr).inner.initialize(init)) } + // SAFETY: We just created this value above. + unsafe { Some(&(*ptr).value) } } } @@ -170,16 +133,11 @@ unsafe extern "C" fn destroy_value(ptr: *mut u8) { // // Note that to prevent an infinite loop we reset it back to null right // before we return from the destructor ourselves. - // - // Wrap the call in a catch to ensure unwinding is caught in the event - // a panic takes place in a destructor. - if let Err(_) = panic::catch_unwind(|| unsafe { - let ptr = Box::from_raw(ptr as *mut Value); + abort_on_dtor_unwind(|| { + let ptr = unsafe { Box::from_raw(ptr as *mut Value) }; let key = ptr.key; - key.os.set(ptr::without_provenance_mut(1)); + unsafe { key.os.set(ptr::without_provenance_mut(1)) }; drop(ptr); - key.os.set(ptr::null_mut()); - }) { - rtabort!("thread local panicked on drop"); - } + unsafe { key.os.set(ptr::null_mut()) }; + }); } From 0e7e75ebca2ee9cc9a6c019110797250094908f5 Mon Sep 17 00:00:00 2001 From: joboet Date: Fri, 24 May 2024 11:46:09 +0200 Subject: [PATCH 0506/1716] std: clean up the TLS implementation --- library/std/src/sys/mod.rs | 2 -- library/std/src/sys/thread_local/fast_local/lazy.rs | 1 - library/std/src/sys/thread_local/mod.rs | 4 +++- library/std/src/sys/thread_local/os_local.rs | 2 +- 4 files changed, 4 insertions(+), 5 deletions(-) diff --git a/library/std/src/sys/mod.rs b/library/std/src/sys/mod.rs index bbd1d840e92d..8f70cefc6012 100644 --- a/library/std/src/sys/mod.rs +++ b/library/std/src/sys/mod.rs @@ -9,8 +9,6 @@ pub mod cmath; pub mod os_str; pub mod path; pub mod sync; -#[allow(dead_code)] -#[allow(unused_imports)] pub mod thread_local; // FIXME(117276): remove this, move feature implementations into individual diff --git a/library/std/src/sys/thread_local/fast_local/lazy.rs b/library/std/src/sys/thread_local/fast_local/lazy.rs index 14371768d30c..c2e9a1714546 100644 --- a/library/std/src/sys/thread_local/fast_local/lazy.rs +++ b/library/std/src/sys/thread_local/fast_local/lazy.rs @@ -1,6 +1,5 @@ use crate::cell::UnsafeCell; use crate::hint::unreachable_unchecked; -use crate::mem::forget; use crate::ptr; use crate::sys::thread_local::abort_on_dtor_unwind; use crate::sys::thread_local_dtor::register_dtor; diff --git a/library/std/src/sys/thread_local/mod.rs b/library/std/src/sys/thread_local/mod.rs index 1acf1f8d8c16..0a78a1a1cf02 100644 --- a/library/std/src/sys/thread_local/mod.rs +++ b/library/std/src/sys/thread_local/mod.rs @@ -1,4 +1,5 @@ #![unstable(feature = "thread_local_internals", reason = "should not be necessary", issue = "none")] +#![cfg_attr(test, allow(unused))] // There are three thread-local implementations: "static", "fast", "OS". // The "OS" thread local key type is accessed via platform-specific API calls and is slow, while the @@ -28,7 +29,8 @@ cfg_if::cfg_if! { /// fn` declared in a user crate). If the callback unwinds anyway, then /// `rtabort` with a message about thread local panicking on drop. #[inline] -pub fn abort_on_dtor_unwind(f: impl FnOnce()) { +#[allow(dead_code)] +fn abort_on_dtor_unwind(f: impl FnOnce()) { // Using a guard like this is lower cost. let guard = DtorUnwindGuard; f(); diff --git a/library/std/src/sys/thread_local/os_local.rs b/library/std/src/sys/thread_local/os_local.rs index 6b24fe254a15..d6ddbb78a9c8 100644 --- a/library/std/src/sys/thread_local/os_local.rs +++ b/library/std/src/sys/thread_local/os_local.rs @@ -1,8 +1,8 @@ use super::abort_on_dtor_unwind; use crate::cell::Cell; use crate::marker::PhantomData; +use crate::ptr; use crate::sys_common::thread_local_key::StaticKey as OsKey; -use crate::{panic, ptr}; #[doc(hidden)] #[allow_internal_unstable(thread_local_internals)] From d6e4fe569c84c6a9d20690f139ad15a3d3da9550 Mon Sep 17 00:00:00 2001 From: Michael Baikov Date: Wed, 22 May 2024 09:26:02 -0400 Subject: [PATCH 0507/1716] A custom error message for lending iterators --- compiler/rustc_resolve/messages.ftl | 4 ++ compiler/rustc_resolve/src/errors.rs | 9 +++++ compiler/rustc_resolve/src/late.rs | 40 ++++++++++++++++--- tests/ui/lifetimes/no_lending_iterators.rs | 12 ++++++ .../ui/lifetimes/no_lending_iterators.stderr | 14 +++++++ 5 files changed, 74 insertions(+), 5 deletions(-) create mode 100644 tests/ui/lifetimes/no_lending_iterators.rs create mode 100644 tests/ui/lifetimes/no_lending_iterators.stderr diff --git a/compiler/rustc_resolve/messages.ftl b/compiler/rustc_resolve/messages.ftl index f824e4faf5d0..90339b2498b4 100644 --- a/compiler/rustc_resolve/messages.ftl +++ b/compiler/rustc_resolve/messages.ftl @@ -234,6 +234,10 @@ resolve_items_in_traits_are_not_importable = resolve_label_with_similar_name_reachable = a label with a similar name is reachable +resolve_lending_iterator_report_error = + associated type `Iterator::Item` is declared without lifetime parameters, so using a borrowed type for them requires that lifetime to come from the implemented type. + .note = you can't create an `Iterator` that borrows each `Item` from itself, but you can instead create a new type that borrows your existing type and implement `Iterator` for that new type. + resolve_lifetime_param_in_enum_discriminant = lifetime parameters may not be used in enum discriminant values diff --git a/compiler/rustc_resolve/src/errors.rs b/compiler/rustc_resolve/src/errors.rs index edfeacec7e3b..e9989b803e8a 100644 --- a/compiler/rustc_resolve/src/errors.rs +++ b/compiler/rustc_resolve/src/errors.rs @@ -882,6 +882,15 @@ pub(crate) struct ElidedAnonymousLivetimeReportError { pub(crate) suggestion: Option, } +#[derive(Diagnostic)] +#[diag(resolve_lending_iterator_report_error)] +pub(crate) struct LendingIteratorReportError { + #[primary_span] + pub(crate) lifetime: Span, + #[note] + pub(crate) ty: Span, +} + #[derive(Subdiagnostic)] #[multipart_suggestion( resolve_elided_anonymous_lifetime_report_error_suggestion, diff --git a/compiler/rustc_resolve/src/late.rs b/compiler/rustc_resolve/src/late.rs index 63d0d6c260db..08196619befa 100644 --- a/compiler/rustc_resolve/src/late.rs +++ b/compiler/rustc_resolve/src/late.rs @@ -9,7 +9,7 @@ use crate::{errors, path_names_to_string, rustdoc, BindingError, Finalize, LexicalScopeBinding}; use crate::{BindingKey, Used}; use crate::{Module, ModuleOrUniformRoot, NameBinding, ParentScope, PathResult}; -use crate::{ResolutionError, Resolver, Segment, UseError}; +use crate::{ResolutionError, Resolver, Segment, TyCtxt, UseError}; use rustc_ast::ptr::P; use rustc_ast::visit::{visit_opt, walk_list, AssocCtxt, BoundKind, FnCtxt, FnKind, Visitor}; @@ -1703,10 +1703,28 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { break; } } - self.r.dcx().emit_err(errors::ElidedAnonymousLivetimeReportError { - span: lifetime.ident.span, - suggestion, - }); + + // Is it caused by user trying to implement a lending iterator? + if !self.in_func_body + && let Some((module, _)) = &self.current_trait_ref + && let Some(ty) = &self.diag_metadata.current_self_type + && let crate::ModuleKind::Def(DefKind::Trait, trait_id, _) = module.kind + && def_id_matches_path( + self.r.tcx, + trait_id, + &["core", "iter", "traits", "iterator", "Iterator"], + ) + { + self.r.dcx().emit_err(errors::LendingIteratorReportError { + lifetime: lifetime.ident.span, + ty: ty.span(), + }); + } else { + self.r.dcx().emit_err(errors::ElidedAnonymousLivetimeReportError { + span: lifetime.ident.span, + suggestion, + }); + } } else { self.r.dcx().emit_err(errors::ExplicitAnonymousLivetimeReportError { span: lifetime.ident.span, @@ -4824,3 +4842,15 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { } } } + +/// Check if definition matches a path +fn def_id_matches_path(tcx: TyCtxt<'_>, mut def_id: DefId, expected_path: &[&str]) -> bool { + let mut path = expected_path.iter().rev(); + while let (Some(parent), Some(next_step)) = (tcx.opt_parent(def_id), path.next()) { + if !tcx.opt_item_name(def_id).map_or(false, |n| n.as_str() == *next_step) { + return false; + } + def_id = parent; + } + return true; +} diff --git a/tests/ui/lifetimes/no_lending_iterators.rs b/tests/ui/lifetimes/no_lending_iterators.rs new file mode 100644 index 000000000000..1f8340672182 --- /dev/null +++ b/tests/ui/lifetimes/no_lending_iterators.rs @@ -0,0 +1,12 @@ +struct Data(String); + +impl Iterator for Data { + type Item = &str; + //~^ ERROR 4:17: 4:18: associated type `Iterator::Item` is declared without lifetime parameters, so using a borrowed type for them requires that lifetime to come from the implemented type. + + fn next(&mut self) -> Option { + Some(&self.0) + } +} + +fn main() {} diff --git a/tests/ui/lifetimes/no_lending_iterators.stderr b/tests/ui/lifetimes/no_lending_iterators.stderr new file mode 100644 index 000000000000..d052bfac3840 --- /dev/null +++ b/tests/ui/lifetimes/no_lending_iterators.stderr @@ -0,0 +1,14 @@ +error: associated type `Iterator::Item` is declared without lifetime parameters, so using a borrowed type for them requires that lifetime to come from the implemented type. + --> $DIR/no_lending_iterators.rs:4:17 + | +LL | type Item = &str; + | ^ + | +note: you can't create an `Iterator` that borrows each `Item` from itself, but you can instead create a new type that borrows your existing type and implement `Iterator` for that new type. + --> $DIR/no_lending_iterators.rs:3:19 + | +LL | impl Iterator for Data { + | ^^^^ + +error: aborting due to 1 previous error + From 09c8e39adb5b19d4ff412e8f77ea42c569a8e02d Mon Sep 17 00:00:00 2001 From: surechen Date: Wed, 22 May 2024 18:25:26 +0800 Subject: [PATCH 0508/1716] A small diagnostic improvement for dropping_copy_types fixes #125189 --- compiler/rustc_lint/messages.ftl | 1 + .../rustc_lint/src/drop_forget_useless.rs | 21 +++++++++-- compiler/rustc_lint/src/lints.rs | 16 +++++++- .../defaults-unsound-62211-1.next.stderr | 6 ++- .../defaults-unsound-62211-2.next.stderr | 6 ++- ...g_copy_types-issue-125189-can-not-fixed.rs | 14 +++++++ ...py_types-issue-125189-can-not-fixed.stderr | 37 +++++++++++++++++++ .../dropping_copy_types-issue-125189.fixed | 10 +++++ .../lint/dropping_copy_types-issue-125189.rs | 10 +++++ .../dropping_copy_types-issue-125189.stderr | 35 ++++++++++++++++++ tests/ui/lint/dropping_copy_types.stderr | 24 ++++++++++-- 11 files changed, 169 insertions(+), 11 deletions(-) create mode 100644 tests/ui/lint/dropping_copy_types-issue-125189-can-not-fixed.rs create mode 100644 tests/ui/lint/dropping_copy_types-issue-125189-can-not-fixed.stderr create mode 100644 tests/ui/lint/dropping_copy_types-issue-125189.fixed create mode 100644 tests/ui/lint/dropping_copy_types-issue-125189.rs create mode 100644 tests/ui/lint/dropping_copy_types-issue-125189.stderr diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index 82b90e1660a9..289005e00054 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -197,6 +197,7 @@ lint_drop_trait_constraints = lint_dropping_copy_types = calls to `std::mem::drop` with a value that implements `Copy` does nothing .label = argument has type `{$arg_ty}` .note = use `let _ = ...` to ignore the expression or result + .suggestion = use `let _ = ...` to ignore the expression or result lint_dropping_references = calls to `std::mem::drop` with a reference instead of an owned value does nothing .label = argument has type `{$arg_ty}` diff --git a/compiler/rustc_lint/src/drop_forget_useless.rs b/compiler/rustc_lint/src/drop_forget_useless.rs index 78ac7f9b2354..5033d194a21e 100644 --- a/compiler/rustc_lint/src/drop_forget_useless.rs +++ b/compiler/rustc_lint/src/drop_forget_useless.rs @@ -1,11 +1,11 @@ -use rustc_hir::{Arm, Expr, ExprKind, Node}; +use rustc_hir::{Arm, Expr, ExprKind, Node, StmtKind}; use rustc_middle::ty; use rustc_span::sym; use crate::{ lints::{ - DropCopyDiag, DropRefDiag, ForgetCopyDiag, ForgetRefDiag, UndroppedManuallyDropsDiag, - UndroppedManuallyDropsSuggestion, + DropCopyDiag, DropCopySuggestion, DropRefDiag, ForgetCopyDiag, ForgetRefDiag, + UndroppedManuallyDropsDiag, UndroppedManuallyDropsSuggestion, }, LateContext, LateLintPass, LintContext, }; @@ -163,10 +163,23 @@ impl<'tcx> LateLintPass<'tcx> for DropForgetUseless { ); } sym::mem_drop if is_copy && !drop_is_single_call_in_arm => { + let sugg = if let Some((_, node)) = cx.tcx.hir().parent_iter(expr.hir_id).nth(0) + && let Node::Stmt(stmt) = node + && let StmtKind::Semi(e) = stmt.kind + && e.hir_id == expr.hir_id + { + DropCopySuggestion::Suggestion { + start_span: expr.span.shrink_to_lo().until(arg.span), + end_span: arg.span.shrink_to_hi().until(expr.span.shrink_to_hi()), + } + } else { + DropCopySuggestion::Note + }; + cx.emit_span_lint( DROPPING_COPY_TYPES, expr.span, - DropCopyDiag { arg_ty, label: arg.span }, + DropCopyDiag { arg_ty, label: arg.span, sugg }, ); } sym::mem_forget if is_copy => { diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index a034bebc85ec..084e818a2758 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -669,11 +669,25 @@ pub struct DropRefDiag<'a> { #[derive(LintDiagnostic)] #[diag(lint_dropping_copy_types)] -#[note] pub struct DropCopyDiag<'a> { pub arg_ty: Ty<'a>, #[label] pub label: Span, + #[subdiagnostic] + pub sugg: DropCopySuggestion, +} + +#[derive(Subdiagnostic)] +pub enum DropCopySuggestion { + #[note(lint_note)] + Note, + #[multipart_suggestion(lint_suggestion, style = "verbose", applicability = "maybe-incorrect")] + Suggestion { + #[suggestion_part(code = "let _ = ")] + start_span: Span, + #[suggestion_part(code = "")] + end_span: Span, + }, } #[derive(LintDiagnostic)] diff --git a/tests/ui/associated-types/defaults-unsound-62211-1.next.stderr b/tests/ui/associated-types/defaults-unsound-62211-1.next.stderr index 834ae00a8d85..ffb02eccc77d 100644 --- a/tests/ui/associated-types/defaults-unsound-62211-1.next.stderr +++ b/tests/ui/associated-types/defaults-unsound-62211-1.next.stderr @@ -6,8 +6,12 @@ LL | drop(origin); | | | argument has type `::Output` | - = note: use `let _ = ...` to ignore the expression or result = note: `#[warn(dropping_copy_types)]` on by default +help: use `let _ = ...` to ignore the expression or result + | +LL - drop(origin); +LL + let _ = origin; + | warning: 1 warning emitted diff --git a/tests/ui/associated-types/defaults-unsound-62211-2.next.stderr b/tests/ui/associated-types/defaults-unsound-62211-2.next.stderr index 0f944a18ed58..e6ae8183e77d 100644 --- a/tests/ui/associated-types/defaults-unsound-62211-2.next.stderr +++ b/tests/ui/associated-types/defaults-unsound-62211-2.next.stderr @@ -6,8 +6,12 @@ LL | drop(origin); | | | argument has type `::Output` | - = note: use `let _ = ...` to ignore the expression or result = note: `#[warn(dropping_copy_types)]` on by default +help: use `let _ = ...` to ignore the expression or result + | +LL - drop(origin); +LL + let _ = origin; + | warning: 1 warning emitted diff --git a/tests/ui/lint/dropping_copy_types-issue-125189-can-not-fixed.rs b/tests/ui/lint/dropping_copy_types-issue-125189-can-not-fixed.rs new file mode 100644 index 000000000000..12c984c932ac --- /dev/null +++ b/tests/ui/lint/dropping_copy_types-issue-125189-can-not-fixed.rs @@ -0,0 +1,14 @@ +//@ check-fail + +#![deny(dropping_copy_types)] + +fn main() { + let y = 1; + let z = 2; + match y { + 0 => drop(y), //~ ERROR calls to `std::mem::drop` + 1 => drop(z), //~ ERROR calls to `std::mem::drop` + 2 => drop(3), //~ ERROR calls to `std::mem::drop` + _ => {}, + } +} diff --git a/tests/ui/lint/dropping_copy_types-issue-125189-can-not-fixed.stderr b/tests/ui/lint/dropping_copy_types-issue-125189-can-not-fixed.stderr new file mode 100644 index 000000000000..6c73e5ea90b4 --- /dev/null +++ b/tests/ui/lint/dropping_copy_types-issue-125189-can-not-fixed.stderr @@ -0,0 +1,37 @@ +error: calls to `std::mem::drop` with a value that implements `Copy` does nothing + --> $DIR/dropping_copy_types-issue-125189-can-not-fixed.rs:9:14 + | +LL | 0 => drop(y), + | ^^^^^-^ + | | + | argument has type `i32` + | + = note: use `let _ = ...` to ignore the expression or result +note: the lint level is defined here + --> $DIR/dropping_copy_types-issue-125189-can-not-fixed.rs:3:9 + | +LL | #![deny(dropping_copy_types)] + | ^^^^^^^^^^^^^^^^^^^ + +error: calls to `std::mem::drop` with a value that implements `Copy` does nothing + --> $DIR/dropping_copy_types-issue-125189-can-not-fixed.rs:10:14 + | +LL | 1 => drop(z), + | ^^^^^-^ + | | + | argument has type `i32` + | + = note: use `let _ = ...` to ignore the expression or result + +error: calls to `std::mem::drop` with a value that implements `Copy` does nothing + --> $DIR/dropping_copy_types-issue-125189-can-not-fixed.rs:11:14 + | +LL | 2 => drop(3), + | ^^^^^-^ + | | + | argument has type `i32` + | + = note: use `let _ = ...` to ignore the expression or result + +error: aborting due to 3 previous errors + diff --git a/tests/ui/lint/dropping_copy_types-issue-125189.fixed b/tests/ui/lint/dropping_copy_types-issue-125189.fixed new file mode 100644 index 000000000000..2dfd68d4cc16 --- /dev/null +++ b/tests/ui/lint/dropping_copy_types-issue-125189.fixed @@ -0,0 +1,10 @@ +//@ check-fail +//@ run-rustfix + +#![deny(dropping_copy_types)] + +fn main() { + let y = 1; + let _ = 3.2; //~ ERROR calls to `std::mem::drop` + let _ = y; //~ ERROR calls to `std::mem::drop` +} diff --git a/tests/ui/lint/dropping_copy_types-issue-125189.rs b/tests/ui/lint/dropping_copy_types-issue-125189.rs new file mode 100644 index 000000000000..1f42efabba9f --- /dev/null +++ b/tests/ui/lint/dropping_copy_types-issue-125189.rs @@ -0,0 +1,10 @@ +//@ check-fail +//@ run-rustfix + +#![deny(dropping_copy_types)] + +fn main() { + let y = 1; + drop(3.2); //~ ERROR calls to `std::mem::drop` + drop(y); //~ ERROR calls to `std::mem::drop` +} diff --git a/tests/ui/lint/dropping_copy_types-issue-125189.stderr b/tests/ui/lint/dropping_copy_types-issue-125189.stderr new file mode 100644 index 000000000000..ba3e36f5b6ec --- /dev/null +++ b/tests/ui/lint/dropping_copy_types-issue-125189.stderr @@ -0,0 +1,35 @@ +error: calls to `std::mem::drop` with a value that implements `Copy` does nothing + --> $DIR/dropping_copy_types-issue-125189.rs:8:5 + | +LL | drop(3.2); + | ^^^^^---^ + | | + | argument has type `f64` + | +note: the lint level is defined here + --> $DIR/dropping_copy_types-issue-125189.rs:4:9 + | +LL | #![deny(dropping_copy_types)] + | ^^^^^^^^^^^^^^^^^^^ +help: use `let _ = ...` to ignore the expression or result + | +LL - drop(3.2); +LL + let _ = 3.2; + | + +error: calls to `std::mem::drop` with a value that implements `Copy` does nothing + --> $DIR/dropping_copy_types-issue-125189.rs:9:5 + | +LL | drop(y); + | ^^^^^-^ + | | + | argument has type `i32` + | +help: use `let _ = ...` to ignore the expression or result + | +LL - drop(y); +LL + let _ = y; + | + +error: aborting due to 2 previous errors + diff --git a/tests/ui/lint/dropping_copy_types.stderr b/tests/ui/lint/dropping_copy_types.stderr index b6291aa5ed63..bdeb0c290fe9 100644 --- a/tests/ui/lint/dropping_copy_types.stderr +++ b/tests/ui/lint/dropping_copy_types.stderr @@ -6,12 +6,16 @@ LL | drop(s1); | | | argument has type `SomeStruct` | - = note: use `let _ = ...` to ignore the expression or result note: the lint level is defined here --> $DIR/dropping_copy_types.rs:3:9 | LL | #![warn(dropping_copy_types)] | ^^^^^^^^^^^^^^^^^^^ +help: use `let _ = ...` to ignore the expression or result + | +LL - drop(s1); +LL + let _ = s1; + | warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing --> $DIR/dropping_copy_types.rs:35:5 @@ -21,7 +25,11 @@ LL | drop(s2); | | | argument has type `SomeStruct` | - = note: use `let _ = ...` to ignore the expression or result +help: use `let _ = ...` to ignore the expression or result + | +LL - drop(s2); +LL + let _ = s2; + | warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing --> $DIR/dropping_copy_types.rs:36:5 @@ -42,7 +50,11 @@ LL | drop(s4); | | | argument has type `SomeStruct` | - = note: use `let _ = ...` to ignore the expression or result +help: use `let _ = ...` to ignore the expression or result + | +LL - drop(s4); +LL + let _ = s4; + | warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing --> $DIR/dropping_copy_types.rs:38:5 @@ -82,7 +94,11 @@ LL | drop(println_and(13)); | | | argument has type `i32` | - = note: use `let _ = ...` to ignore the expression or result +help: use `let _ = ...` to ignore the expression or result + | +LL - drop(println_and(13)); +LL + let _ = println_and(13); + | warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing --> $DIR/dropping_copy_types.rs:74:14 From 56c135c9253563f92755b0a9cd54ec67f7c17fc7 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Fri, 24 May 2024 13:21:59 +0000 Subject: [PATCH 0509/1716] Revert "Rollup merge of #123979 - oli-obk:define_opaque_types7, r=compiler-errors" This reverts commit f939d1ff4820844595d0f50f94038869f1445d08, reversing changes made to 183c706305d8c4e0ccb0967932381baf7e0c3611. --- compiler/rustc_infer/src/infer/mod.rs | 17 ++--------------- 1 file changed, 2 insertions(+), 15 deletions(-) diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs index 8d4011421bd3..6f603d9b612e 100644 --- a/compiler/rustc_infer/src/infer/mod.rs +++ b/compiler/rustc_infer/src/infer/mod.rs @@ -957,27 +957,14 @@ impl<'tcx> InferCtxt<'tcx> { (&ty::Infer(ty::TyVar(a_vid)), &ty::Infer(ty::TyVar(b_vid))) => { return Err((a_vid, b_vid)); } - // We don't silently want to constrain hidden types here, so we assert that either one side is - // an infer var, so it'll get constrained to whatever the other side is, or there are no opaque - // types involved. - // We don't expect this to actually get hit, but if it does, we now at least know how to write - // a test for it. - (_, ty::Infer(ty::TyVar(_))) => {} - (ty::Infer(ty::TyVar(_)), _) => {} - _ if r_a != r_b && (r_a, r_b).has_opaque_types() => { - span_bug!( - cause.span(), - "opaque types got hidden types registered from within subtype predicate: {r_a:?} vs {r_b:?}" - ) - } _ => {} } self.enter_forall(predicate, |ty::SubtypePredicate { a_is_expected, a, b }| { if a_is_expected { - Ok(self.at(cause, param_env).sub(DefineOpaqueTypes::Yes, a, b)) + Ok(self.at(cause, param_env).sub(DefineOpaqueTypes::No, a, b)) } else { - Ok(self.at(cause, param_env).sup(DefineOpaqueTypes::Yes, b, a)) + Ok(self.at(cause, param_env).sup(DefineOpaqueTypes::No, b, a)) } }) } From 526090b901cbedcef7e1eec132e217917606a54d Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Thu, 23 May 2024 10:03:55 +0000 Subject: [PATCH 0510/1716] Add regression tests --- tests/crashes/124891.rs | 22 ------- .../impl-trait/lazy_subtyping_of_opaques.rs | 59 +++++++++++++++++++ .../lazy_subtyping_of_opaques.stderr | 21 +++++++ .../lazy_subtyping_of_opaques.rs | 30 ++++++++++ .../lazy_subtyping_of_opaques.stderr | 26 ++++++++ 5 files changed, 136 insertions(+), 22 deletions(-) delete mode 100644 tests/crashes/124891.rs create mode 100644 tests/ui/impl-trait/lazy_subtyping_of_opaques.rs create mode 100644 tests/ui/impl-trait/lazy_subtyping_of_opaques.stderr create mode 100644 tests/ui/type-alias-impl-trait/lazy_subtyping_of_opaques.rs create mode 100644 tests/ui/type-alias-impl-trait/lazy_subtyping_of_opaques.stderr diff --git a/tests/crashes/124891.rs b/tests/crashes/124891.rs deleted file mode 100644 index 9b5892418c89..000000000000 --- a/tests/crashes/124891.rs +++ /dev/null @@ -1,22 +0,0 @@ -//@ known-bug: rust-lang/rust#124891 - -type Tait = impl FnOnce() -> (); - -fn reify_as_tait() -> Thunk { - Thunk::new(|cont| cont) -} - -struct Thunk(F); - -impl Thunk { - fn new(f: F) - where - F: ContFn, - { - todo!(); - } -} - -trait ContFn {} - -impl ()> ContFn for F {} diff --git a/tests/ui/impl-trait/lazy_subtyping_of_opaques.rs b/tests/ui/impl-trait/lazy_subtyping_of_opaques.rs new file mode 100644 index 000000000000..65331894725a --- /dev/null +++ b/tests/ui/impl-trait/lazy_subtyping_of_opaques.rs @@ -0,0 +1,59 @@ +//! This test checks that we allow subtyping predicates that contain opaque types. +//! No hidden types are being constrained in the subtyping predicate, but type and +//! lifetime variables get subtyped in the generic parameter list of the opaque. + +use std::iter; + +mod either { + pub enum Either { + Left(L), + Right(R), + } + + impl> Iterator for Either { + type Item = L::Item; + fn next(&mut self) -> Option { + todo!() + } + } + pub use self::Either::{Left, Right}; +} + +pub enum BabeConsensusLogRef<'a> { + NextEpochData(BabeNextEpochRef<'a>), + NextConfigData, +} + +impl<'a> BabeConsensusLogRef<'a> { + pub fn scale_encoding( + &self, + ) -> impl Iterator + Clone + 'a> + Clone + 'a { + //~^ ERROR is not satisfied + //~| ERROR is not satisfied + //~| ERROR is not satisfied + match self { + BabeConsensusLogRef::NextEpochData(digest) => either::Left(either::Left( + digest.scale_encoding().map(either::Left).map(either::Left), + )), + BabeConsensusLogRef::NextConfigData => either::Right( + // The Opaque type from ``scale_encoding` gets used opaquely here, while the `R` + // generic parameter of `Either` contains type variables that get subtyped and the + // opaque type contains lifetime variables that get subtyped. + iter::once(either::Right(either::Left([1]))) + .chain(std::iter::once([1]).map(either::Right).map(either::Right)), + ), + } + } +} + +pub struct BabeNextEpochRef<'a>(&'a ()); + +impl<'a> BabeNextEpochRef<'a> { + pub fn scale_encoding( + &self, + ) -> impl Iterator + Clone + 'a> + Clone + 'a { + std::iter::once([1]) + } +} + +fn main() {} diff --git a/tests/ui/impl-trait/lazy_subtyping_of_opaques.stderr b/tests/ui/impl-trait/lazy_subtyping_of_opaques.stderr new file mode 100644 index 000000000000..2f8c957c2c7d --- /dev/null +++ b/tests/ui/impl-trait/lazy_subtyping_of_opaques.stderr @@ -0,0 +1,21 @@ +error[E0277]: the trait bound `Either + Clone + '_> + Clone + '_, fn(impl AsRef<[u8]> + Clone + '_) -> Either + Clone + '_, _> {Either:: + Clone + '_, _>::Left}>, fn(Either + Clone + '_, _>) -> Either + Clone + '_, _>, Either<[{integer}; 1], [{integer}; 1]>> {Either:: + Clone + '_, _>, Either<[{integer}; 1], [{integer}; 1]>>::Left}>, _>, std::iter::Chain + Clone + '_, _>, Either<[{integer}; 1], [{integer}; 1]>>>, Map, fn([{integer}; 1]) -> Either<[{integer}; 1], [{integer}; 1]> {Either::<[{integer}; 1], [{integer}; 1]>::Right}>, fn(Either<[{integer}; 1], [{integer}; 1]>) -> Either + Clone + '_, _>, Either<[{integer}; 1], [{integer}; 1]>> {Either:: + Clone + '_, _>, Either<[{integer}; 1], [{integer}; 1]>>::Right}>>>: Clone` is not satisfied + --> $DIR/lazy_subtyping_of_opaques.rs:30:10 + | +LL | ) -> impl Iterator + Clone + 'a> + Clone + 'a { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `Either + Clone + '_> + Clone + '_, fn(impl AsRef<[u8]> + Clone + '_) -> Either + Clone + '_, _> {Either:: + Clone + '_, _>::Left}>, fn(Either + Clone + '_, _>) -> Either + Clone + '_, _>, Either<[{integer}; 1], [{integer}; 1]>> {Either:: + Clone + '_, _>, Either<[{integer}; 1], [{integer}; 1]>>::Left}>, _>, std::iter::Chain + Clone + '_, _>, Either<[{integer}; 1], [{integer}; 1]>>>, Map, fn([{integer}; 1]) -> Either<[{integer}; 1], [{integer}; 1]> {Either::<[{integer}; 1], [{integer}; 1]>::Right}>, fn(Either<[{integer}; 1], [{integer}; 1]>) -> Either + Clone + '_, _>, Either<[{integer}; 1], [{integer}; 1]>> {Either:: + Clone + '_, _>, Either<[{integer}; 1], [{integer}; 1]>>::Right}>>>` + +error[E0277]: the trait bound `Either + Clone + '_, _>, Either<[{integer}; 1], [{integer}; 1]>>: AsRef<[u8]>` is not satisfied + --> $DIR/lazy_subtyping_of_opaques.rs:30:31 + | +LL | ) -> impl Iterator + Clone + 'a> + Clone + 'a { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `AsRef<[u8]>` is not implemented for `Either + Clone + '_, _>, Either<[{integer}; 1], [{integer}; 1]>>` + +error[E0277]: the trait bound `Either + Clone + '_, _>, Either<[{integer}; 1], [{integer}; 1]>>: Clone` is not satisfied + --> $DIR/lazy_subtyping_of_opaques.rs:30:31 + | +LL | ) -> impl Iterator + Clone + 'a> + Clone + 'a { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `Either + Clone + '_, _>, Either<[{integer}; 1], [{integer}; 1]>>` + +error: aborting due to 3 previous errors + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/type-alias-impl-trait/lazy_subtyping_of_opaques.rs b/tests/ui/type-alias-impl-trait/lazy_subtyping_of_opaques.rs new file mode 100644 index 000000000000..72a90287e374 --- /dev/null +++ b/tests/ui/type-alias-impl-trait/lazy_subtyping_of_opaques.rs @@ -0,0 +1,30 @@ +#![feature(type_alias_impl_trait)] + +//! This test used to ICE rust-lang/rust#124891 +//! because we added an assertion for catching cases where opaque types get +//! registered during the processing of subtyping predicates. + +type Tait = impl FnOnce() -> (); + +fn reify_as_tait() -> Thunk { + Thunk::new(|cont| cont) + //~^ ERROR: mismatched types + //~| ERROR: mismatched types +} + +struct Thunk(F); + +impl Thunk { + fn new(f: F) + where + F: ContFn, + { + todo!(); + } +} + +trait ContFn {} + +impl ()> ContFn for F {} + +fn main() {} diff --git a/tests/ui/type-alias-impl-trait/lazy_subtyping_of_opaques.stderr b/tests/ui/type-alias-impl-trait/lazy_subtyping_of_opaques.stderr new file mode 100644 index 000000000000..5a35dc27446c --- /dev/null +++ b/tests/ui/type-alias-impl-trait/lazy_subtyping_of_opaques.stderr @@ -0,0 +1,26 @@ +error[E0308]: mismatched types + --> $DIR/lazy_subtyping_of_opaques.rs:10:23 + | +LL | type Tait = impl FnOnce() -> (); + | ------------------- the found opaque type +... +LL | Thunk::new(|cont| cont) + | ^^^^ expected `()`, found opaque type + | + = note: expected unit type `()` + found opaque type `Tait` + +error[E0308]: mismatched types + --> $DIR/lazy_subtyping_of_opaques.rs:10:5 + | +LL | fn reify_as_tait() -> Thunk { + | ----------- expected `Thunk<_>` because of return type +LL | Thunk::new(|cont| cont) + | ^^^^^^^^^^^^^^^^^^^^^^^ expected `Thunk<_>`, found `()` + | + = note: expected struct `Thunk<_>` + found unit type `()` + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0308`. From b70fb4159be7ea3e549a242cf7a6e4ebcb41f168 Mon Sep 17 00:00:00 2001 From: Michael Baikov Date: Fri, 24 May 2024 11:20:33 -0400 Subject: [PATCH 0511/1716] And more general error --- compiler/rustc_resolve/messages.ftl | 6 +++- compiler/rustc_resolve/src/errors.rs | 8 ++++++ compiler/rustc_resolve/src/late.rs | 28 +++++++++++++------ .../assoc-type.rs | 2 +- .../assoc-type.stderr | 4 +-- tests/ui/lifetimes/no_lending_iterators.rs | 25 ++++++++++++++++- .../ui/lifetimes/no_lending_iterators.stderr | 20 +++++++++++-- 7 files changed, 78 insertions(+), 15 deletions(-) diff --git a/compiler/rustc_resolve/messages.ftl b/compiler/rustc_resolve/messages.ftl index 90339b2498b4..358f25e23343 100644 --- a/compiler/rustc_resolve/messages.ftl +++ b/compiler/rustc_resolve/messages.ftl @@ -11,6 +11,10 @@ resolve_added_macro_use = resolve_ancestor_only = visibilities can only be restricted to ancestor modules +resolve_anonymous_livetime_non_gat_report_error = + in the trait associated type is declared without lifetime parameters, so using a borrowed type for them requires that lifetime to come from the implemented type + .label = this lifetime must come from the implemented type + resolve_arguments_macro_use_not_allowed = arguments to `macro_use` are not allowed here resolve_associated_const_with_similar_name_exists = @@ -235,7 +239,7 @@ resolve_label_with_similar_name_reachable = a label with a similar name is reachable resolve_lending_iterator_report_error = - associated type `Iterator::Item` is declared without lifetime parameters, so using a borrowed type for them requires that lifetime to come from the implemented type. + associated type `Iterator::Item` is declared without lifetime parameters, so using a borrowed type for them requires that lifetime to come from the implemented type .note = you can't create an `Iterator` that borrows each `Item` from itself, but you can instead create a new type that borrows your existing type and implement `Iterator` for that new type. resolve_lifetime_param_in_enum_discriminant = diff --git a/compiler/rustc_resolve/src/errors.rs b/compiler/rustc_resolve/src/errors.rs index e9989b803e8a..0620f3d709eb 100644 --- a/compiler/rustc_resolve/src/errors.rs +++ b/compiler/rustc_resolve/src/errors.rs @@ -891,6 +891,14 @@ pub(crate) struct LendingIteratorReportError { pub(crate) ty: Span, } +#[derive(Diagnostic)] +#[diag(resolve_anonymous_livetime_non_gat_report_error)] +pub(crate) struct AnonymousLivetimeNonGatReportError { + #[primary_span] + #[label] + pub(crate) lifetime: Span, +} + #[derive(Subdiagnostic)] #[multipart_suggestion( resolve_elided_anonymous_lifetime_report_error_suggestion, diff --git a/compiler/rustc_resolve/src/late.rs b/compiler/rustc_resolve/src/late.rs index 08196619befa..8f80b9ad5fdc 100644 --- a/compiler/rustc_resolve/src/late.rs +++ b/compiler/rustc_resolve/src/late.rs @@ -629,6 +629,9 @@ struct DiagMetadata<'ast> { in_assignment: Option<&'ast Expr>, is_assign_rhs: bool, + /// If we are setting an associated type in trait impl, is it a non-GAT type? + in_non_gat_assoc_type: Option, + /// Used to detect possible `.` -> `..` typo when calling methods. in_range: Option<(&'ast Expr, &'ast Expr)>, @@ -1704,21 +1707,28 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { } } - // Is it caused by user trying to implement a lending iterator? + // are we trying to use an anonymous lifetime + // on a non GAT associated trait type? if !self.in_func_body && let Some((module, _)) = &self.current_trait_ref && let Some(ty) = &self.diag_metadata.current_self_type + && Some(true) == self.diag_metadata.in_non_gat_assoc_type && let crate::ModuleKind::Def(DefKind::Trait, trait_id, _) = module.kind - && def_id_matches_path( + { + if def_id_matches_path( self.r.tcx, trait_id, &["core", "iter", "traits", "iterator", "Iterator"], - ) - { - self.r.dcx().emit_err(errors::LendingIteratorReportError { - lifetime: lifetime.ident.span, - ty: ty.span(), - }); + ) { + self.r.dcx().emit_err(errors::LendingIteratorReportError { + lifetime: lifetime.ident.span, + ty: ty.span(), + }); + } else { + self.r.dcx().emit_err(errors::AnonymousLivetimeNonGatReportError { + lifetime: lifetime.ident.span, + }); + } } else { self.r.dcx().emit_err(errors::ElidedAnonymousLivetimeReportError { span: lifetime.ident.span, @@ -3076,6 +3086,7 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { ); } AssocItemKind::Type(box TyAlias { generics, .. }) => { + self.diag_metadata.in_non_gat_assoc_type = Some(generics.params.is_empty()); debug!("resolve_implementation AssocItemKind::Type"); // We also need a new scope for the impl item type parameters. self.with_generic_param_rib( @@ -3104,6 +3115,7 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { }); }, ); + self.diag_metadata.in_non_gat_assoc_type = None; } AssocItemKind::Delegation(box delegation) => { debug!("resolve_implementation AssocItemKind::Delegation"); diff --git a/tests/ui/impl-header-lifetime-elision/assoc-type.rs b/tests/ui/impl-header-lifetime-elision/assoc-type.rs index b0089a37aa05..db3c416540fc 100644 --- a/tests/ui/impl-header-lifetime-elision/assoc-type.rs +++ b/tests/ui/impl-header-lifetime-elision/assoc-type.rs @@ -9,7 +9,7 @@ trait MyTrait { impl MyTrait for &i32 { type Output = &i32; - //~^ ERROR `&` without an explicit lifetime name cannot be used here + //~^ ERROR 11:19: 11:20: in the trait associated type is declared without lifetime parameters, so using a borrowed type for them requires that lifetime to come from the implemented type } impl MyTrait for &u32 { diff --git a/tests/ui/impl-header-lifetime-elision/assoc-type.stderr b/tests/ui/impl-header-lifetime-elision/assoc-type.stderr index c4f27e0b80e4..e650eeca48ad 100644 --- a/tests/ui/impl-header-lifetime-elision/assoc-type.stderr +++ b/tests/ui/impl-header-lifetime-elision/assoc-type.stderr @@ -1,8 +1,8 @@ -error[E0637]: `&` without an explicit lifetime name cannot be used here +error: in the trait associated type is declared without lifetime parameters, so using a borrowed type for them requires that lifetime to come from the implemented type --> $DIR/assoc-type.rs:11:19 | LL | type Output = &i32; - | ^ explicit lifetime name needed here + | ^ this lifetime must come from the implemented type error[E0637]: `'_` cannot be used here --> $DIR/assoc-type.rs:16:20 diff --git a/tests/ui/lifetimes/no_lending_iterators.rs b/tests/ui/lifetimes/no_lending_iterators.rs index 1f8340672182..21395475fb3d 100644 --- a/tests/ui/lifetimes/no_lending_iterators.rs +++ b/tests/ui/lifetimes/no_lending_iterators.rs @@ -2,11 +2,34 @@ struct Data(String); impl Iterator for Data { type Item = &str; - //~^ ERROR 4:17: 4:18: associated type `Iterator::Item` is declared without lifetime parameters, so using a borrowed type for them requires that lifetime to come from the implemented type. + //~^ ERROR 4:17: 4:18: associated type `Iterator::Item` is declared without lifetime parameters, so using a borrowed type for them requires that lifetime to come from the implemented type fn next(&mut self) -> Option { Some(&self.0) } } +trait Bar { + type Item; + fn poke(&mut self, item: Self::Item); +} + +impl Bar for usize { + type Item = &usize; + //~^ ERROR 18:17: 18:18: in the trait associated type is declared without lifetime parameters, so using a borrowed type for them requires that lifetime to come from the implemented type + + fn poke(&mut self, item: Self::Item) { + self += *item; + } +} + +impl Bar for isize { + type Item<'a> = &'a isize; + //~^ ERROR 27:14: 27:18: lifetime parameters or bounds on type `Item` do not match the trait declaration [E0195] + + fn poke(&mut self, item: Self::Item) { + self += *item; + } +} + fn main() {} diff --git a/tests/ui/lifetimes/no_lending_iterators.stderr b/tests/ui/lifetimes/no_lending_iterators.stderr index d052bfac3840..c3784770d792 100644 --- a/tests/ui/lifetimes/no_lending_iterators.stderr +++ b/tests/ui/lifetimes/no_lending_iterators.stderr @@ -1,4 +1,4 @@ -error: associated type `Iterator::Item` is declared without lifetime parameters, so using a borrowed type for them requires that lifetime to come from the implemented type. +error: associated type `Iterator::Item` is declared without lifetime parameters, so using a borrowed type for them requires that lifetime to come from the implemented type --> $DIR/no_lending_iterators.rs:4:17 | LL | type Item = &str; @@ -10,5 +10,21 @@ note: you can't create an `Iterator` that borrows each `Item` from itself, but y LL | impl Iterator for Data { | ^^^^ -error: aborting due to 1 previous error +error: in the trait associated type is declared without lifetime parameters, so using a borrowed type for them requires that lifetime to come from the implemented type + --> $DIR/no_lending_iterators.rs:18:17 + | +LL | type Item = &usize; + | ^ this lifetime must come from the implemented type +error[E0195]: lifetime parameters or bounds on type `Item` do not match the trait declaration + --> $DIR/no_lending_iterators.rs:27:14 + | +LL | type Item; + | - lifetimes in impl do not match this type in trait +... +LL | type Item<'a> = &'a isize; + | ^^^^ lifetimes do not match type in trait + +error: aborting due to 3 previous errors + +For more information about this error, try `rustc --explain E0195`. From 99c9b0775fba00de9a114be430506f30d65a34de Mon Sep 17 00:00:00 2001 From: Weihang Lo Date: Fri, 24 May 2024 11:25:46 -0400 Subject: [PATCH 0512/1716] Update rustc-perf --- src/tools/rustc-perf | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/rustc-perf b/src/tools/rustc-perf index 4f313add609f..cc81f9654dac 160000 --- a/src/tools/rustc-perf +++ b/src/tools/rustc-perf @@ -1 +1 @@ -Subproject commit 4f313add609f43e928e98132358e8426ed3969ae +Subproject commit cc81f9654dac3fe08de286907dba747538417afd From a85f6a66400c119dda97ad6dde23fff2e5516eb0 Mon Sep 17 00:00:00 2001 From: Mees Frensel <33722705+meesfrensel@users.noreply.github.com> Date: Fri, 24 May 2024 17:34:12 +0200 Subject: [PATCH 0513/1716] Fix some SIMD intrinsics documentation --- library/core/src/intrinsics/simd.rs | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/library/core/src/intrinsics/simd.rs b/library/core/src/intrinsics/simd.rs index d1be534eaf08..820f6b2cddc3 100644 --- a/library/core/src/intrinsics/simd.rs +++ b/library/core/src/intrinsics/simd.rs @@ -152,7 +152,7 @@ extern "rust-intrinsic" { #[rustc_nounwind] pub fn simd_fabs(x: T) -> T; - /// Elementwise minimum of a vector. + /// Elementwise minimum of two vectors. /// /// `T` must be a vector of floating-point primitive types. /// @@ -160,7 +160,7 @@ extern "rust-intrinsic" { #[rustc_nounwind] pub fn simd_fmin(x: T, y: T) -> T; - /// Elementwise maximum of a vector. + /// Elementwise maximum of two vectors. /// /// `T` must be a vector of floating-point primitive types. /// @@ -387,7 +387,7 @@ extern "rust-intrinsic" { #[rustc_nounwind] pub fn simd_reduce_mul_ordered(x: T, y: U) -> U; - /// Add elements within a vector in arbitrary order. May also be re-associated with + /// Multiply elements within a vector in arbitrary order. May also be re-associated with /// unordered additions on the inputs/outputs. /// /// `T` must be a vector of integer or floating-point primitive types. @@ -405,7 +405,7 @@ extern "rust-intrinsic" { #[rustc_nounwind] pub fn simd_reduce_all(x: T) -> bool; - /// Check if all mask values are true. + /// Check if any mask value is true. /// /// `T` must be a vector of integer primitive types. /// From b7b350cff7e2b893517f5924c2c7c7f8ae9eb2ac Mon Sep 17 00:00:00 2001 From: Boxy Date: Thu, 23 May 2024 14:48:27 +0100 Subject: [PATCH 0514/1716] docs --- compiler/rustc_middle/src/ty/region.rs | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/compiler/rustc_middle/src/ty/region.rs b/compiler/rustc_middle/src/ty/region.rs index 958e7e401684..4dcd9952f1d7 100644 --- a/compiler/rustc_middle/src/ty/region.rs +++ b/compiler/rustc_middle/src/ty/region.rs @@ -352,6 +352,12 @@ impl std::fmt::Debug for EarlyParamRegion { #[derive(HashStable)] /// The parameter representation of late-bound function parameters, "some region /// at least as big as the scope `fr.scope`". +/// +/// Similar to a placeholder region as we create `LateParam` regions when entering a binder +/// except they are always in the root universe and instead of using a boundvar to distinguish +/// between others we use the `DefId` of the parameter. For this reason the `bound_region` field +/// should basically always be `BoundRegionKind::BrNamed` as otherwise there is no way of telling +/// different parameters apart. pub struct LateParamRegion { pub scope: DefId, pub bound_region: BoundRegionKind, From bd6344d829a9917298b73253ee0c3ecd0eb1460d Mon Sep 17 00:00:00 2001 From: Boxy Date: Thu, 23 May 2024 23:53:56 +0100 Subject: [PATCH 0515/1716] Remove `DefId` from `EarlyParamRegion` (type system) --- .../rustc_hir_analysis/src/check/check.rs | 15 +++++--------- .../src/check/compare_impl_item.rs | 13 +++++------- .../rustc_hir_analysis/src/check/wfcheck.rs | 16 +++++++-------- .../rustc_lint/src/impl_trait_overcaptures.rs | 18 +++++------------ compiler/rustc_middle/src/ty/region.rs | 20 +++++++++++++++---- 5 files changed, 38 insertions(+), 44 deletions(-) diff --git a/compiler/rustc_hir_analysis/src/check/check.rs b/compiler/rustc_hir_analysis/src/check/check.rs index b5c067514059..8f21d8269259 100644 --- a/compiler/rustc_hir_analysis/src/check/check.rs +++ b/compiler/rustc_hir_analysis/src/check/check.rs @@ -538,11 +538,9 @@ fn check_opaque_precise_captures<'tcx>(tcx: TyCtxt<'tcx>, opaque_def_id: LocalDe // the cases that were stabilized with the `impl_trait_projection` // feature -- see . if let DefKind::LifetimeParam = tcx.def_kind(def_id) - && let ty::ReEarlyParam(ty::EarlyParamRegion { def_id, .. }) - | ty::ReLateParam(ty::LateParamRegion { - bound_region: ty::BoundRegionKind::BrNamed(def_id, _), - .. - }) = *tcx.map_opaque_lifetime_to_parent_lifetime(def_id.expect_local()) + && let Some(def_id) = tcx + .map_opaque_lifetime_to_parent_lifetime(def_id.expect_local()) + .opt_param_def_id(tcx, tcx.parent(opaque_def_id.to_def_id())) { shadowed_captures.insert(def_id); } @@ -585,12 +583,9 @@ fn check_opaque_precise_captures<'tcx>(tcx: TyCtxt<'tcx>, opaque_def_id: LocalDe // Check if the lifetime param was captured but isn't named in the precise captures list. if variances[param.index as usize] == ty::Invariant { if let DefKind::OpaqueTy = tcx.def_kind(tcx.parent(param.def_id)) - && let ty::ReEarlyParam(ty::EarlyParamRegion { def_id, .. }) - | ty::ReLateParam(ty::LateParamRegion { - bound_region: ty::BoundRegionKind::BrNamed(def_id, _), - .. - }) = *tcx + && let Some(def_id) = tcx .map_opaque_lifetime_to_parent_lifetime(param.def_id.expect_local()) + .opt_param_def_id(tcx, tcx.parent(opaque_def_id.to_def_id())) { tcx.dcx().emit_err(errors::LifetimeNotCaptured { opaque_span, diff --git a/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs b/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs index 44bf8fd2d93e..fedaf3268868 100644 --- a/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs +++ b/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs @@ -876,7 +876,8 @@ impl<'tcx> ty::FallibleTypeFolder> for RemapHiddenTyRegions<'tcx> { ty::ReLateParam(_) => {} // Remap early-bound regions as long as they don't come from the `impl` itself, // in which case we don't really need to renumber them. - ty::ReEarlyParam(ebr) if self.tcx.parent(ebr.def_id) != self.impl_def_id => {} + ty::ReEarlyParam(ebr) + if ebr.index >= self.tcx.generics_of(self.impl_def_id).count() as u32 => {} _ => return Ok(region), } @@ -889,12 +890,8 @@ impl<'tcx> ty::FallibleTypeFolder> for RemapHiddenTyRegions<'tcx> { ); } } else { - let guar = match region.kind() { - ty::ReEarlyParam(ty::EarlyParamRegion { def_id, .. }) - | ty::ReLateParam(ty::LateParamRegion { - bound_region: ty::BoundRegionKind::BrNamed(def_id, _), - .. - }) => { + let guar = match region.opt_param_def_id(self.tcx, self.tcx.parent(self.def_id)) { + Some(def_id) => { let return_span = if let ty::Alias(ty::Opaque, opaque_ty) = self.ty.kind() { self.tcx.def_span(opaque_ty.def_id) } else { @@ -914,7 +911,7 @@ impl<'tcx> ty::FallibleTypeFolder> for RemapHiddenTyRegions<'tcx> { .with_note(format!("hidden type inferred to be `{}`", self.ty)) .emit() } - _ => { + None => { // This code path is not reached in any tests, but may be // reachable. If this is triggered, it should be converted // to `delayed_bug` and the triggering case turned into a diff --git a/compiler/rustc_hir_analysis/src/check/wfcheck.rs b/compiler/rustc_hir_analysis/src/check/wfcheck.rs index e8ede804c3f3..460269ae41f4 100644 --- a/compiler/rustc_hir_analysis/src/check/wfcheck.rs +++ b/compiler/rustc_hir_analysis/src/check/wfcheck.rs @@ -2101,16 +2101,14 @@ fn lint_redundant_lifetimes<'tcx>( } for &victim in &lifetimes[(idx + 1)..] { - // We should only have late-bound lifetimes of the `BrNamed` variety, - // since we get these signatures straight from `hir_lowering`. And any - // other regions (ReError/ReStatic/etc.) shouldn't matter, since we + // All region parameters should have a `DefId` available as: + // - Late-bound parameters should be of the`BrNamed` variety, + // since we get these signatures straight from `hir_lowering`. + // - Early-bound parameters unconditionally have a `DefId` available. + // + // Any other regions (ReError/ReStatic/etc.) shouldn't matter, since we // can't really suggest to remove them. - let (ty::ReEarlyParam(ty::EarlyParamRegion { def_id, .. }) - | ty::ReLateParam(ty::LateParamRegion { - bound_region: ty::BoundRegionKind::BrNamed(def_id, _), - .. - })) = victim.kind() - else { + let Some(def_id) = victim.opt_param_def_id(tcx, owner_id.to_def_id()) else { continue; }; diff --git a/compiler/rustc_lint/src/impl_trait_overcaptures.rs b/compiler/rustc_lint/src/impl_trait_overcaptures.rs index 30bf80b915b8..c473b74b4105 100644 --- a/compiler/rustc_lint/src/impl_trait_overcaptures.rs +++ b/compiler/rustc_lint/src/impl_trait_overcaptures.rs @@ -5,11 +5,11 @@ use rustc_hir as hir; use rustc_hir::def::DefKind; use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_macros::LintDiagnostic; +use rustc_middle::bug; use rustc_middle::middle::resolve_bound_vars::ResolvedArg; use rustc_middle::ty::{ self, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable, TypeVisitableExt, TypeVisitor, }; -use rustc_middle::{bug, span_bug}; use rustc_session::{declare_lint, declare_lint_pass}; use rustc_span::{sym, BytePos, Span}; @@ -303,20 +303,12 @@ impl<'tcx> TypeVisitor> for VisitOpaqueTypes<'tcx> { ResolvedArg::EarlyBound(def_id) | ResolvedArg::LateBound(_, _, def_id), ) => { if self.tcx.def_kind(self.tcx.parent(def_id)) == DefKind::OpaqueTy { - let (ty::ReEarlyParam(ty::EarlyParamRegion { def_id, .. }) - | ty::ReLateParam(ty::LateParamRegion { - bound_region: ty::BoundRegionKind::BrNamed(def_id, _), - .. - })) = self + let def_id = self .tcx .map_opaque_lifetime_to_parent_lifetime(def_id.expect_local()) - .kind() - else { - span_bug!( - self.tcx.def_span(def_id), - "variable should have been duplicated from a parent" - ); - }; + .opt_param_def_id(self.tcx, self.parent_def_id.to_def_id()) + .expect("variable should have been duplicated from parent"); + explicitly_captured.insert(def_id); } else { explicitly_captured.insert(def_id); diff --git a/compiler/rustc_middle/src/ty/region.rs b/compiler/rustc_middle/src/ty/region.rs index 4dcd9952f1d7..0e07ef31c26c 100644 --- a/compiler/rustc_middle/src/ty/region.rs +++ b/compiler/rustc_middle/src/ty/region.rs @@ -321,6 +321,21 @@ impl<'tcx> Region<'tcx> { _ => bug!("expected region {:?} to be of kind ReVar", self), } } + + /// Given some item `binding_item`, check if this region is a generic parameter introduced by it + /// or one of the parent generics. Returns the `DefId` of the parameter definition if so. + pub fn opt_param_def_id(self, tcx: TyCtxt<'tcx>, binding_item: DefId) -> Option { + match self.kind() { + ty::ReEarlyParam(ebr) => { + Some(tcx.generics_of(binding_item).region_param(ebr, tcx).def_id) + } + ty::ReLateParam(ty::LateParamRegion { + bound_region: ty::BoundRegionKind::BrNamed(def_id, _), + .. + }) => Some(def_id), + _ => None, + } + } } impl<'tcx> Deref for Region<'tcx> { @@ -335,16 +350,13 @@ impl<'tcx> Deref for Region<'tcx> { #[derive(Copy, Clone, PartialEq, Eq, Hash, TyEncodable, TyDecodable)] #[derive(HashStable)] pub struct EarlyParamRegion { - pub def_id: DefId, pub index: u32, pub name: Symbol, } impl std::fmt::Debug for EarlyParamRegion { fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { - // FIXME(BoxyUwU): self.def_id goes first because of `erased-regions-in-hidden-ty.rs` being impossible to write - // error annotations for otherwise. :). Ideally this would be `self.name, self.index, self.def_id`. - write!(f, "{:?}_{}/#{}", self.def_id, self.name, self.index) + write!(f, "{}/#{}", self.name, self.index) } } From 3ee84983f1a0cf1fe0be0d0fb024be9e2eb6fd13 Mon Sep 17 00:00:00 2001 From: Alona Enraght-Moony Date: Fri, 24 May 2024 16:40:20 +0000 Subject: [PATCH 0516/1716] rustdoc-json: Add test for keywords with `--document-private-items` --- tests/rustdoc-json/keyword_private.rs | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 tests/rustdoc-json/keyword_private.rs diff --git a/tests/rustdoc-json/keyword_private.rs b/tests/rustdoc-json/keyword_private.rs new file mode 100644 index 000000000000..1c2b7d021550 --- /dev/null +++ b/tests/rustdoc-json/keyword_private.rs @@ -0,0 +1,20 @@ +// Ensure keyword docs are present with --document-private-items + +//@ compile-flags: --document-private-items +#![feature(rustdoc_internals)] + +// @!has "$.index[*][?(@.name=='match')]" +// @has "$.index[*][?(@.name=='foo')]" +// @is "$.index[*][?(@.name=='foo')].attrs" '["#[doc(keyword = \"match\")]"]' +// @is "$.index[*][?(@.name=='foo')].docs" '"this is a test!"' +#[doc(keyword = "match")] +/// this is a test! +pub mod foo {} + +// @!has "$.index[*][?(@.name=='hello')]" +// @has "$.index[*][?(@.name=='bar')]" +// @is "$.index[*][?(@.name=='bar')].attrs" '["#[doc(keyword = \"hello\")]"]' +// @is "$.index[*][?(@.name=='bar')].docs" '"hello"' +#[doc(keyword = "hello")] +/// hello +mod bar {} From db6ec2618a2abb82efe9e119f301f4ae8ec07682 Mon Sep 17 00:00:00 2001 From: Jubilee Young Date: Fri, 24 May 2024 01:14:31 -0700 Subject: [PATCH 0517/1716] compiler: const_eval/transform/validate.rs -> mir_transform/validate.rs --- Cargo.lock | 1 + compiler/rustc_const_eval/src/transform/mod.rs | 1 - compiler/rustc_mir_transform/Cargo.toml | 1 + compiler/rustc_mir_transform/src/inline.rs | 2 +- compiler/rustc_mir_transform/src/lib.rs | 2 +- .../src/transform => rustc_mir_transform/src}/validate.rs | 0 6 files changed, 4 insertions(+), 3 deletions(-) rename compiler/{rustc_const_eval/src/transform => rustc_mir_transform/src}/validate.rs (100%) diff --git a/Cargo.lock b/Cargo.lock index 3a4f028e695f..92e6a22b4b91 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -4252,6 +4252,7 @@ dependencies = [ "rustc_fluent_macro", "rustc_hir", "rustc_index", + "rustc_infer", "rustc_macros", "rustc_middle", "rustc_mir_build", diff --git a/compiler/rustc_const_eval/src/transform/mod.rs b/compiler/rustc_const_eval/src/transform/mod.rs index e3582c7d3174..b4516a412ef0 100644 --- a/compiler/rustc_const_eval/src/transform/mod.rs +++ b/compiler/rustc_const_eval/src/transform/mod.rs @@ -1,2 +1 @@ pub mod check_consts; -pub mod validate; diff --git a/compiler/rustc_mir_transform/Cargo.toml b/compiler/rustc_mir_transform/Cargo.toml index bd0a54ef3638..f864a13a31bb 100644 --- a/compiler/rustc_mir_transform/Cargo.toml +++ b/compiler/rustc_mir_transform/Cargo.toml @@ -16,6 +16,7 @@ rustc_errors = { path = "../rustc_errors" } rustc_fluent_macro = { path = "../rustc_fluent_macro" } rustc_hir = { path = "../rustc_hir" } rustc_index = { path = "../rustc_index" } +rustc_infer = { path = "../rustc_infer" } rustc_macros = { path = "../rustc_macros" } rustc_middle = { path = "../rustc_middle" } rustc_mir_build = { path = "../rustc_mir_build" } diff --git a/compiler/rustc_mir_transform/src/inline.rs b/compiler/rustc_mir_transform/src/inline.rs index 401056cd4960..fe2237dd2e97 100644 --- a/compiler/rustc_mir_transform/src/inline.rs +++ b/compiler/rustc_mir_transform/src/inline.rs @@ -1,7 +1,6 @@ //! Inlining pass for MIR functions use crate::deref_separator::deref_finder; use rustc_attr::InlineAttr; -use rustc_const_eval::transform::validate::validate_types; use rustc_hir::def::DefKind; use rustc_hir::def_id::DefId; use rustc_index::bit_set::BitSet; @@ -21,6 +20,7 @@ use rustc_target::spec::abi::Abi; use crate::cost_checker::CostChecker; use crate::simplify::simplify_cfg; use crate::util; +use crate::validate::validate_types; use std::iter; use std::ops::{Range, RangeFrom}; diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs index 9af48f0bad25..30d4b480f589 100644 --- a/compiler/rustc_mir_transform/src/lib.rs +++ b/compiler/rustc_mir_transform/src/lib.rs @@ -109,9 +109,9 @@ mod simplify_comparison_integral; mod sroa; mod unreachable_enum_branching; mod unreachable_prop; +mod validate; use rustc_const_eval::transform::check_consts::{self, ConstCx}; -use rustc_const_eval::transform::validate; use rustc_mir_dataflow::rustc_peek; rustc_fluent_macro::fluent_messages! { "../messages.ftl" } diff --git a/compiler/rustc_const_eval/src/transform/validate.rs b/compiler/rustc_mir_transform/src/validate.rs similarity index 100% rename from compiler/rustc_const_eval/src/transform/validate.rs rename to compiler/rustc_mir_transform/src/validate.rs From 87048a46fc75dc343637e3c7d3d654fc10d5e589 Mon Sep 17 00:00:00 2001 From: Jubilee Young Date: Fri, 24 May 2024 01:33:13 -0700 Subject: [PATCH 0518/1716] compiler: unnest rustc_const_eval::check_consts --- .../rustc_const_eval/src/{transform => }/check_consts/check.rs | 0 .../rustc_const_eval/src/{transform => }/check_consts/mod.rs | 0 .../rustc_const_eval/src/{transform => }/check_consts/ops.rs | 0 .../src/{transform => }/check_consts/post_drop_elaboration.rs | 0 .../src/{transform => }/check_consts/qualifs.rs | 0 .../src/{transform => }/check_consts/resolver.rs | 0 compiler/rustc_const_eval/src/lib.rs | 2 +- compiler/rustc_const_eval/src/transform/mod.rs | 1 - compiler/rustc_mir_transform/src/lib.rs | 2 +- compiler/rustc_mir_transform/src/promote_consts.rs | 2 +- 10 files changed, 3 insertions(+), 4 deletions(-) rename compiler/rustc_const_eval/src/{transform => }/check_consts/check.rs (100%) rename compiler/rustc_const_eval/src/{transform => }/check_consts/mod.rs (100%) rename compiler/rustc_const_eval/src/{transform => }/check_consts/ops.rs (100%) rename compiler/rustc_const_eval/src/{transform => }/check_consts/post_drop_elaboration.rs (100%) rename compiler/rustc_const_eval/src/{transform => }/check_consts/qualifs.rs (100%) rename compiler/rustc_const_eval/src/{transform => }/check_consts/resolver.rs (100%) delete mode 100644 compiler/rustc_const_eval/src/transform/mod.rs diff --git a/compiler/rustc_const_eval/src/transform/check_consts/check.rs b/compiler/rustc_const_eval/src/check_consts/check.rs similarity index 100% rename from compiler/rustc_const_eval/src/transform/check_consts/check.rs rename to compiler/rustc_const_eval/src/check_consts/check.rs diff --git a/compiler/rustc_const_eval/src/transform/check_consts/mod.rs b/compiler/rustc_const_eval/src/check_consts/mod.rs similarity index 100% rename from compiler/rustc_const_eval/src/transform/check_consts/mod.rs rename to compiler/rustc_const_eval/src/check_consts/mod.rs diff --git a/compiler/rustc_const_eval/src/transform/check_consts/ops.rs b/compiler/rustc_const_eval/src/check_consts/ops.rs similarity index 100% rename from compiler/rustc_const_eval/src/transform/check_consts/ops.rs rename to compiler/rustc_const_eval/src/check_consts/ops.rs diff --git a/compiler/rustc_const_eval/src/transform/check_consts/post_drop_elaboration.rs b/compiler/rustc_const_eval/src/check_consts/post_drop_elaboration.rs similarity index 100% rename from compiler/rustc_const_eval/src/transform/check_consts/post_drop_elaboration.rs rename to compiler/rustc_const_eval/src/check_consts/post_drop_elaboration.rs diff --git a/compiler/rustc_const_eval/src/transform/check_consts/qualifs.rs b/compiler/rustc_const_eval/src/check_consts/qualifs.rs similarity index 100% rename from compiler/rustc_const_eval/src/transform/check_consts/qualifs.rs rename to compiler/rustc_const_eval/src/check_consts/qualifs.rs diff --git a/compiler/rustc_const_eval/src/transform/check_consts/resolver.rs b/compiler/rustc_const_eval/src/check_consts/resolver.rs similarity index 100% rename from compiler/rustc_const_eval/src/transform/check_consts/resolver.rs rename to compiler/rustc_const_eval/src/check_consts/resolver.rs diff --git a/compiler/rustc_const_eval/src/lib.rs b/compiler/rustc_const_eval/src/lib.rs index b14780c0d98c..3a7c87c1cad9 100644 --- a/compiler/rustc_const_eval/src/lib.rs +++ b/compiler/rustc_const_eval/src/lib.rs @@ -14,10 +14,10 @@ #![feature(yeet_expr)] #![feature(if_let_guard)] +pub mod check_consts; pub mod const_eval; mod errors; pub mod interpret; -pub mod transform; pub mod util; use std::sync::atomic::AtomicBool; diff --git a/compiler/rustc_const_eval/src/transform/mod.rs b/compiler/rustc_const_eval/src/transform/mod.rs deleted file mode 100644 index b4516a412ef0..000000000000 --- a/compiler/rustc_const_eval/src/transform/mod.rs +++ /dev/null @@ -1 +0,0 @@ -pub mod check_consts; diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs index 30d4b480f589..e4670633914e 100644 --- a/compiler/rustc_mir_transform/src/lib.rs +++ b/compiler/rustc_mir_transform/src/lib.rs @@ -111,7 +111,7 @@ mod unreachable_enum_branching; mod unreachable_prop; mod validate; -use rustc_const_eval::transform::check_consts::{self, ConstCx}; +use rustc_const_eval::check_consts::{self, ConstCx}; use rustc_mir_dataflow::rustc_peek; rustc_fluent_macro::fluent_messages! { "../messages.ftl" } diff --git a/compiler/rustc_mir_transform/src/promote_consts.rs b/compiler/rustc_mir_transform/src/promote_consts.rs index 34aa31baab79..e37f90ae7f40 100644 --- a/compiler/rustc_mir_transform/src/promote_consts.rs +++ b/compiler/rustc_mir_transform/src/promote_consts.rs @@ -30,7 +30,7 @@ use std::assert_matches::assert_matches; use std::cell::Cell; use std::{cmp, iter, mem}; -use rustc_const_eval::transform::check_consts::{qualifs, ConstCx}; +use rustc_const_eval::check_consts::{qualifs, ConstCx}; /// A `MirPass` for promotion. /// From 584975d60693d177228229e0500a1abd3faf623d Mon Sep 17 00:00:00 2001 From: Jubilee Young Date: Fri, 24 May 2024 01:33:55 -0700 Subject: [PATCH 0519/1716] clippy: unnest check_consts --- src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs b/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs index 8ee7d87acb3e..81e94725a70c 100644 --- a/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs +++ b/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs @@ -6,7 +6,7 @@ use clippy_config::msrvs::{self, Msrv}; use hir::LangItem; use rustc_attr::StableSince; -use rustc_const_eval::transform::check_consts::ConstCx; +use rustc_const_eval::check_consts::ConstCx; use rustc_hir as hir; use rustc_hir::def_id::DefId; use rustc_infer::infer::TyCtxtInferExt; From 14fc3fdb2c10ec2c9d860618b7681b36078668f1 Mon Sep 17 00:00:00 2001 From: Jubilee Young Date: Fri, 24 May 2024 02:24:22 -0700 Subject: [PATCH 0520/1716] miri: receive the blessings of validate.rs --- src/tools/miri/tests/panic/mir-validation.stderr | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/miri/tests/panic/mir-validation.stderr b/src/tools/miri/tests/panic/mir-validation.stderr index d158c996dc3d..d5dd53d7b4e9 100644 --- a/src/tools/miri/tests/panic/mir-validation.stderr +++ b/src/tools/miri/tests/panic/mir-validation.stderr @@ -1,4 +1,4 @@ -thread 'rustc' panicked at compiler/rustc_const_eval/src/transform/validate.rs:LL:CC: +thread 'rustc' panicked at compiler/rustc_mir_transform/src/validate.rs:LL:CC: broken MIR in Item(DefId) (after phase change to runtime-optimized) at bb0[1]: (*(_2.0: *mut i32)), has deref at the wrong place stack backtrace: From fe2d7794ca189f9ec5e7f7fd9b059e7a2e785944 Mon Sep 17 00:00:00 2001 From: Boxy Date: Fri, 24 May 2024 01:57:06 +0100 Subject: [PATCH 0521/1716] Remove `DefId` from `EarlyParamRegion` (tedium/diagnostics) --- .../src/diagnostics/bound_region_errors.rs | 36 ++++--- .../src/diagnostics/region_errors.rs | 39 ++++--- .../src/diagnostics/region_name.rs | 8 +- .../src/check/compare_impl_item.rs | 1 - .../rustc_hir_analysis/src/check/wfcheck.rs | 18 +--- compiler/rustc_hir_analysis/src/collect.rs | 1 - .../src/collect/predicates_of.rs | 2 +- .../src/hir_ty_lowering/mod.rs | 2 +- compiler/rustc_infer/src/errors/mod.rs | 5 +- .../src/errors/note_and_explain.rs | 20 +++- .../src/infer/error_reporting/mod.rs | 100 +++++++++++++----- .../nice_region_error/different_lifetimes.rs | 31 ++++-- .../nice_region_error/find_anon_type.rs | 4 +- .../mismatched_static_lifetime.rs | 1 + .../error_reporting/nice_region_error/mod.rs | 18 +++- .../nice_region_error/named_anon_conflict.rs | 6 +- .../nice_region_error/static_impl_trait.rs | 4 +- .../error_reporting/nice_region_error/util.rs | 8 +- .../src/infer/error_reporting/note.rs | 45 +++++++- compiler/rustc_lint/src/builtin.rs | 18 +++- compiler/rustc_middle/src/ty/context.rs | 14 +-- compiler/rustc_middle/src/ty/generics.rs | 2 +- compiler/rustc_middle/src/ty/region.rs | 27 ----- .../rustc_smir/src/rustc_smir/convert/ty.rs | 2 +- .../rustc_trait_selection/src/traits/mod.rs | 1 + compiler/rustc_ty_utils/src/implied_bounds.rs | 6 +- .../ty-outlives/impl-trait-captures.stderr | 4 +- 27 files changed, 266 insertions(+), 157 deletions(-) diff --git a/compiler/rustc_borrowck/src/diagnostics/bound_region_errors.rs b/compiler/rustc_borrowck/src/diagnostics/bound_region_errors.rs index 9b8b7e8ddda6..5e10f14f31b5 100644 --- a/compiler/rustc_borrowck/src/diagnostics/bound_region_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/bound_region_errors.rs @@ -1,4 +1,5 @@ use rustc_errors::Diag; +use rustc_hir::def_id::LocalDefId; use rustc_infer::infer::canonical::Canonical; use rustc_infer::infer::error_reporting::nice_region_error::NiceRegionError; use rustc_infer::infer::region_constraints::Constraint; @@ -241,7 +242,7 @@ impl<'tcx> TypeOpInfo<'tcx> for PredicateQuery<'tcx> { mbcx.infcx.tcx.infer_ctxt().build_with_canonical(cause.span, &self.canonical_query); let ocx = ObligationCtxt::new(&infcx); type_op_prove_predicate_with_cause(&ocx, key, cause); - try_extract_error_from_fulfill_cx(&ocx, placeholder_region, error_region) + try_extract_error_from_fulfill_cx(&ocx, mbcx.mir_def_id(), placeholder_region, error_region) } } @@ -287,7 +288,7 @@ where let (param_env, value) = key.into_parts(); let _ = ocx.normalize(&cause, param_env, value.value); - try_extract_error_from_fulfill_cx(&ocx, placeholder_region, error_region) + try_extract_error_from_fulfill_cx(&ocx, mbcx.mir_def_id(), placeholder_region, error_region) } } @@ -318,7 +319,7 @@ impl<'tcx> TypeOpInfo<'tcx> for AscribeUserTypeQuery<'tcx> { mbcx.infcx.tcx.infer_ctxt().build_with_canonical(cause.span, &self.canonical_query); let ocx = ObligationCtxt::new(&infcx); type_op_ascribe_user_type_with_span(&ocx, key, Some(cause.span)).ok()?; - try_extract_error_from_fulfill_cx(&ocx, placeholder_region, error_region) + try_extract_error_from_fulfill_cx(&ocx, mbcx.mir_def_id(), placeholder_region, error_region) } } @@ -342,6 +343,7 @@ impl<'tcx> TypeOpInfo<'tcx> for crate::type_check::InstantiateOpaqueType<'tcx> { ) -> Option> { try_extract_error_from_region_constraints( mbcx.infcx, + mbcx.mir_def_id(), placeholder_region, error_region, self.region_constraints.as_ref().unwrap(), @@ -358,6 +360,7 @@ impl<'tcx> TypeOpInfo<'tcx> for crate::type_check::InstantiateOpaqueType<'tcx> { #[instrument(skip(ocx), level = "debug")] fn try_extract_error_from_fulfill_cx<'tcx>( ocx: &ObligationCtxt<'_, 'tcx>, + generic_param_scope: LocalDefId, placeholder_region: ty::Region<'tcx>, error_region: Option>, ) -> Option> { @@ -368,6 +371,7 @@ fn try_extract_error_from_fulfill_cx<'tcx>( let region_constraints = ocx.infcx.with_region_constraints(|r| r.clone()); try_extract_error_from_region_constraints( ocx.infcx, + generic_param_scope, placeholder_region, error_region, ®ion_constraints, @@ -379,6 +383,7 @@ fn try_extract_error_from_fulfill_cx<'tcx>( #[instrument(level = "debug", skip(infcx, region_var_origin, universe_of_region))] fn try_extract_error_from_region_constraints<'tcx>( infcx: &InferCtxt<'tcx>, + generic_param_scope: LocalDefId, placeholder_region: ty::Region<'tcx>, error_region: Option>, region_constraints: &RegionConstraintData<'tcx>, @@ -452,15 +457,18 @@ fn try_extract_error_from_region_constraints<'tcx>( RegionResolutionError::ConcreteFailure(cause.clone(), sub_region, placeholder_region) } }; - NiceRegionError::new(&infcx.err_ctxt(), error).try_report_from_nll().or_else(|| { - if let SubregionOrigin::Subtype(trace) = cause { - Some( - infcx - .err_ctxt() - .report_and_explain_type_error(*trace, TypeError::RegionsPlaceholderMismatch), - ) - } else { - None - } - }) + NiceRegionError::new(&infcx.err_ctxt(), generic_param_scope, error) + .try_report_from_nll() + .or_else(|| { + if let SubregionOrigin::Subtype(trace) = cause { + Some( + infcx.err_ctxt().report_and_explain_type_error( + *trace, + TypeError::RegionsPlaceholderMismatch, + ), + ) + } else { + None + } + }) } diff --git a/compiler/rustc_borrowck/src/diagnostics/region_errors.rs b/compiler/rustc_borrowck/src/diagnostics/region_errors.rs index 8112fb7b89c6..e11e4a7247c2 100644 --- a/compiler/rustc_borrowck/src/diagnostics/region_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/region_errors.rs @@ -361,6 +361,7 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { let named_region = self.regioncx.name_regions(self.infcx.tcx, member_region); let diag = unexpected_hidden_region_diagnostic( self.infcx.tcx, + self.mir_def_id(), span, named_ty, named_region, @@ -453,7 +454,8 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { // Check if we can use one of the "nice region errors". if let (Some(f), Some(o)) = (self.to_error_region(fr), self.to_error_region(outlived_fr)) { let infer_err = self.infcx.err_ctxt(); - let nice = NiceRegionError::new_from_span(&infer_err, cause.span, o, f); + let nice = + NiceRegionError::new_from_span(&infer_err, self.mir_def_id(), cause.span, o, f); if let Some(diag) = nice.try_report_from_nll() { self.buffer_error(diag); return; @@ -843,14 +845,16 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { if *outlived_f != ty::ReStatic { return; } - let suitable_region = self.infcx.tcx.is_suitable_region(f); + let suitable_region = self.infcx.tcx.is_suitable_region(self.mir_def_id(), f); let Some(suitable_region) = suitable_region else { return; }; let fn_returns = self.infcx.tcx.return_type_impl_or_dyn_traits(suitable_region.def_id); - let param = if let Some(param) = find_param_with_region(self.infcx.tcx, f, outlived_f) { + let param = if let Some(param) = + find_param_with_region(self.infcx.tcx, self.mir_def_id(), f, outlived_f) + { param } else { return; @@ -959,7 +963,7 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { return; }; - let param = match find_param_with_region(tcx, f, o) { + let param = match find_param_with_region(tcx, self.mir_def_id(), f, o) { Some(param) => param, None => return, }; @@ -1022,25 +1026,30 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { return; }; - let Some((ty_sub, _)) = self - .infcx - .tcx - .is_suitable_region(sub) - .and_then(|anon_reg| find_anon_type(self.infcx.tcx, sub, &anon_reg.bound_region)) + let Some((ty_sub, _)) = + self.infcx.tcx.is_suitable_region(self.mir_def_id(), sub).and_then(|anon_reg| { + find_anon_type(self.infcx.tcx, self.mir_def_id(), sub, &anon_reg.bound_region) + }) else { return; }; - let Some((ty_sup, _)) = self - .infcx - .tcx - .is_suitable_region(sup) - .and_then(|anon_reg| find_anon_type(self.infcx.tcx, sup, &anon_reg.bound_region)) + let Some((ty_sup, _)) = + self.infcx.tcx.is_suitable_region(self.mir_def_id(), sup).and_then(|anon_reg| { + find_anon_type(self.infcx.tcx, self.mir_def_id(), sup, &anon_reg.bound_region) + }) else { return; }; - suggest_adding_lifetime_params(self.infcx.tcx, sub, ty_sup, ty_sub, diag); + suggest_adding_lifetime_params( + self.infcx.tcx, + diag, + self.mir_def_id(), + sub, + ty_sup, + ty_sub, + ); } #[allow(rustc::diagnostic_outside_of_impl)] diff --git a/compiler/rustc_borrowck/src/diagnostics/region_name.rs b/compiler/rustc_borrowck/src/diagnostics/region_name.rs index 46011c1f43ec..c2db64e77025 100644 --- a/compiler/rustc_borrowck/src/diagnostics/region_name.rs +++ b/compiler/rustc_borrowck/src/diagnostics/region_name.rs @@ -289,7 +289,8 @@ impl<'tcx> MirBorrowckCtxt<'_, 'tcx> { debug!("give_region_a_name: error_region = {:?}", error_region); match *error_region { ty::ReEarlyParam(ebr) => ebr.has_name().then(|| { - let span = tcx.hir().span_if_local(ebr.def_id).unwrap_or(DUMMY_SP); + let def_id = tcx.generics_of(self.mir_def_id()).region_param(ebr, tcx).def_id; + let span = tcx.hir().span_if_local(def_id).unwrap_or(DUMMY_SP); RegionName { name: ebr.name, source: RegionNameSource::NamedEarlyParamRegion(span) } }), @@ -912,7 +913,8 @@ impl<'tcx> MirBorrowckCtxt<'_, 'tcx> { }; let tcx = self.infcx.tcx; - let region_parent = tcx.parent(region.def_id); + let region_def = tcx.generics_of(self.mir_def_id()).region_param(region, tcx).def_id; + let region_parent = tcx.parent(region_def); let DefKind::Impl { .. } = tcx.def_kind(region_parent) else { return None; }; @@ -925,7 +927,7 @@ impl<'tcx> MirBorrowckCtxt<'_, 'tcx> { Some(RegionName { name: self.synthesize_region_name(), source: RegionNameSource::AnonRegionFromImplSignature( - tcx.def_span(region.def_id), + tcx.def_span(region_def), // FIXME(compiler-errors): Does this ever actually show up // anywhere other than the self type? I couldn't create an // example of a `'_` in the impl's trait being referenceable. diff --git a/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs b/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs index fedaf3268868..39ced1c803f7 100644 --- a/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs +++ b/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs @@ -925,7 +925,6 @@ impl<'tcx> ty::FallibleTypeFolder> for RemapHiddenTyRegions<'tcx> { Ok(ty::Region::new_early_param( self.tcx, ty::EarlyParamRegion { - def_id: e.def_id, name: e.name, index: (e.index as usize - self.num_trait_args + self.num_impl_args) as u32, }, diff --git a/compiler/rustc_hir_analysis/src/check/wfcheck.rs b/compiler/rustc_hir_analysis/src/check/wfcheck.rs index 460269ae41f4..81e3d8c7ece2 100644 --- a/compiler/rustc_hir_analysis/src/check/wfcheck.rs +++ b/compiler/rustc_hir_analysis/src/check/wfcheck.rs @@ -675,11 +675,7 @@ fn gather_gat_bounds<'tcx, T: TypeFoldable>>( let region_param = gat_generics.param_at(*region_a_idx, tcx); let region_param = ty::Region::new_early_param( tcx, - ty::EarlyParamRegion { - def_id: region_param.def_id, - index: region_param.index, - name: region_param.name, - }, + ty::EarlyParamRegion { index: region_param.index, name: region_param.name }, ); // The predicate we expect to see. (In our example, // `Self: 'me`.) @@ -708,21 +704,13 @@ fn gather_gat_bounds<'tcx, T: TypeFoldable>>( let region_a_param = gat_generics.param_at(*region_a_idx, tcx); let region_a_param = ty::Region::new_early_param( tcx, - ty::EarlyParamRegion { - def_id: region_a_param.def_id, - index: region_a_param.index, - name: region_a_param.name, - }, + ty::EarlyParamRegion { index: region_a_param.index, name: region_a_param.name }, ); // Same for the region. let region_b_param = gat_generics.param_at(*region_b_idx, tcx); let region_b_param = ty::Region::new_early_param( tcx, - ty::EarlyParamRegion { - def_id: region_b_param.def_id, - index: region_b_param.index, - name: region_b_param.name, - }, + ty::EarlyParamRegion { index: region_b_param.index, name: region_b_param.name }, ); // The predicate we expect to see. bounds.insert( diff --git a/compiler/rustc_hir_analysis/src/collect.rs b/compiler/rustc_hir_analysis/src/collect.rs index b760b86a7bfb..40cd65b899e2 100644 --- a/compiler/rustc_hir_analysis/src/collect.rs +++ b/compiler/rustc_hir_analysis/src/collect.rs @@ -453,7 +453,6 @@ impl<'tcx> HirTyLowerer<'tcx> for ItemCtxt<'tcx> { poly_trait_ref, |_| { ty::Region::new_early_param(self.tcx, ty::EarlyParamRegion { - def_id: item_def_id, index: 0, name: Symbol::intern(<_name), }) diff --git a/compiler/rustc_hir_analysis/src/collect/predicates_of.rs b/compiler/rustc_hir_analysis/src/collect/predicates_of.rs index db36aba7edf4..45f06e59be85 100644 --- a/compiler/rustc_hir_analysis/src/collect/predicates_of.rs +++ b/compiler/rustc_hir_analysis/src/collect/predicates_of.rs @@ -323,7 +323,7 @@ fn compute_bidirectional_outlives_predicates<'tcx>( if let ty::ReEarlyParam(..) = *orig_lifetime { let dup_lifetime = ty::Region::new_early_param( tcx, - ty::EarlyParamRegion { def_id: param.def_id, index: param.index, name: param.name }, + ty::EarlyParamRegion { index: param.index, name: param.name }, ); let span = tcx.def_span(param.def_id); predicates.push(( diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs index 4b1c0da6ce11..83a23de16543 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs @@ -280,7 +280,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { let item_def_id = tcx.hir().ty_param_owner(def_id.expect_local()); let generics = tcx.generics_of(item_def_id); let index = generics.param_def_id_to_index[&def_id]; - ty::Region::new_early_param(tcx, ty::EarlyParamRegion { def_id, index, name }) + ty::Region::new_early_param(tcx, ty::EarlyParamRegion { index, name }) } Some(rbv::ResolvedArg::Free(scope, id)) => { diff --git a/compiler/rustc_infer/src/errors/mod.rs b/compiler/rustc_infer/src/errors/mod.rs index 8bb0dc39143c..a801001eaf98 100644 --- a/compiler/rustc_infer/src/errors/mod.rs +++ b/compiler/rustc_infer/src/errors/mod.rs @@ -5,6 +5,7 @@ use rustc_errors::{ MultiSpan, SubdiagMessageOp, Subdiagnostic, }; use rustc_hir as hir; +use rustc_hir::def_id::LocalDefId; use rustc_hir::intravisit::{walk_ty, Visitor}; use rustc_hir::FnRetTy; use rustc_macros::{Diagnostic, Subdiagnostic}; @@ -344,6 +345,7 @@ impl Subdiagnostic for LifetimeMismatchLabels { pub struct AddLifetimeParamsSuggestion<'a> { pub tcx: TyCtxt<'a>, + pub generic_param_scope: LocalDefId, pub sub: Region<'a>, pub ty_sup: &'a hir::Ty<'a>, pub ty_sub: &'a hir::Ty<'a>, @@ -357,7 +359,8 @@ impl Subdiagnostic for AddLifetimeParamsSuggestion<'_> { _f: &F, ) { let mut mk_suggestion = || { - let Some(anon_reg) = self.tcx.is_suitable_region(self.sub) else { + let Some(anon_reg) = self.tcx.is_suitable_region(self.generic_param_scope, self.sub) + else { return false; }; diff --git a/compiler/rustc_infer/src/errors/note_and_explain.rs b/compiler/rustc_infer/src/errors/note_and_explain.rs index f0b336ca0461..4fbeb0ec1024 100644 --- a/compiler/rustc_infer/src/errors/note_and_explain.rs +++ b/compiler/rustc_infer/src/errors/note_and_explain.rs @@ -1,6 +1,7 @@ use crate::fluent_generated as fluent; use crate::infer::error_reporting::nice_region_error::find_anon_type; use rustc_errors::{Diag, EmissionGuarantee, IntoDiagArg, SubdiagMessageOp, Subdiagnostic}; +use rustc_hir::def_id::LocalDefId; use rustc_middle::bug; use rustc_middle::ty::{self, TyCtxt}; use rustc_span::{symbol::kw, Span}; @@ -14,12 +15,15 @@ struct DescriptionCtx<'a> { impl<'a> DescriptionCtx<'a> { fn new<'tcx>( tcx: TyCtxt<'tcx>, + generic_param_scope: LocalDefId, region: ty::Region<'tcx>, alt_span: Option, ) -> Option { let (span, kind, arg) = match *region { - ty::ReEarlyParam(ref br) => { - let scope = region.free_region_binding_scope(tcx).expect_local(); + ty::ReEarlyParam(br) => { + let scope = tcx + .parent(tcx.generics_of(generic_param_scope).region_param(br, tcx).def_id) + .expect_local(); let span = if let Some(param) = tcx.hir().get_generics(scope).and_then(|generics| generics.get_named(br.name)) { @@ -35,11 +39,12 @@ impl<'a> DescriptionCtx<'a> { } ty::ReLateParam(ref fr) => { if !fr.bound_region.is_named() - && let Some((ty, _)) = find_anon_type(tcx, region, &fr.bound_region) + && let Some((ty, _)) = + find_anon_type(tcx, generic_param_scope, region, &fr.bound_region) { (Some(ty.span), "defined_here", String::new()) } else { - let scope = region.free_region_binding_scope(tcx).expect_local(); + let scope = fr.scope.expect_local(); match fr.bound_region { ty::BoundRegionKind::BrNamed(_, name) => { let span = if let Some(param) = tcx @@ -143,12 +148,17 @@ pub struct RegionExplanation<'a> { impl RegionExplanation<'_> { pub fn new<'tcx>( tcx: TyCtxt<'tcx>, + generic_param_scope: LocalDefId, region: ty::Region<'tcx>, alt_span: Option, prefix: PrefixKind, suffix: SuffixKind, ) -> Option { - Some(Self { desc: DescriptionCtx::new(tcx, region, alt_span)?, prefix, suffix }) + Some(Self { + desc: DescriptionCtx::new(tcx, generic_param_scope, region, alt_span)?, + prefix, + suffix, + }) } } diff --git a/compiler/rustc_infer/src/infer/error_reporting/mod.rs b/compiler/rustc_infer/src/infer/error_reporting/mod.rs index e0894ed31bfc..7ab148e70a13 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/mod.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/mod.rs @@ -161,6 +161,7 @@ impl<'tcx> Deref for TypeErrCtxt<'_, 'tcx> { pub(super) fn note_and_explain_region<'tcx>( tcx: TyCtxt<'tcx>, err: &mut Diag<'_>, + generic_param_scope: LocalDefId, prefix: &str, region: ty::Region<'tcx>, suffix: &str, @@ -168,7 +169,7 @@ pub(super) fn note_and_explain_region<'tcx>( ) { let (description, span) = match *region { ty::ReEarlyParam(_) | ty::ReLateParam(_) | ty::RePlaceholder(_) | ty::ReStatic => { - msg_span_from_named_region(tcx, region, alt_span) + msg_span_from_named_region(tcx, generic_param_scope, region, alt_span) } ty::ReError(_) => return, @@ -187,23 +188,27 @@ pub(super) fn note_and_explain_region<'tcx>( fn explain_free_region<'tcx>( tcx: TyCtxt<'tcx>, err: &mut Diag<'_>, + generic_param_scope: LocalDefId, prefix: &str, region: ty::Region<'tcx>, suffix: &str, ) { - let (description, span) = msg_span_from_named_region(tcx, region, None); + let (description, span) = msg_span_from_named_region(tcx, generic_param_scope, region, None); label_msg_span(err, prefix, description, span, suffix); } fn msg_span_from_named_region<'tcx>( tcx: TyCtxt<'tcx>, + generic_param_scope: LocalDefId, region: ty::Region<'tcx>, alt_span: Option, ) -> (String, Option) { match *region { - ty::ReEarlyParam(ref br) => { - let scope = region.free_region_binding_scope(tcx).expect_local(); + ty::ReEarlyParam(br) => { + let scope = tcx + .parent(tcx.generics_of(generic_param_scope).region_param(br, tcx).def_id) + .expect_local(); let span = if let Some(param) = tcx.hir().get_generics(scope).and_then(|generics| generics.get_named(br.name)) { @@ -220,21 +225,21 @@ fn msg_span_from_named_region<'tcx>( } ty::ReLateParam(ref fr) => { if !fr.bound_region.is_named() - && let Some((ty, _)) = find_anon_type(tcx, region, &fr.bound_region) + && let Some((ty, _)) = + find_anon_type(tcx, generic_param_scope, region, &fr.bound_region) { ("the anonymous lifetime defined here".to_string(), Some(ty.span)) } else { - let scope = region.free_region_binding_scope(tcx).expect_local(); match fr.bound_region { ty::BoundRegionKind::BrNamed(_, name) => { let span = if let Some(param) = tcx .hir() - .get_generics(scope) + .get_generics(generic_param_scope) .and_then(|generics| generics.get_named(name)) { param.span } else { - tcx.def_span(scope) + tcx.def_span(generic_param_scope) }; let text = if name == kw::UnderscoreLifetime { "the anonymous lifetime as defined here".to_string() @@ -245,11 +250,11 @@ fn msg_span_from_named_region<'tcx>( } ty::BrAnon => ( "the anonymous lifetime as defined here".to_string(), - Some(tcx.def_span(scope)), + Some(tcx.def_span(generic_param_scope)), ), _ => ( format!("the lifetime `{region}` as defined here"), - Some(tcx.def_span(scope)), + Some(tcx.def_span(generic_param_scope)), ), } } @@ -302,6 +307,7 @@ fn label_msg_span( #[instrument(level = "trace", skip(tcx))] pub fn unexpected_hidden_region_diagnostic<'tcx>( tcx: TyCtxt<'tcx>, + generic_param_scope: LocalDefId, span: Span, hidden_ty: Ty<'tcx>, hidden_region: ty::Region<'tcx>, @@ -327,11 +333,12 @@ pub fn unexpected_hidden_region_diagnostic<'tcx>( explain_free_region( tcx, &mut err, + generic_param_scope, &format!("hidden type `{hidden_ty}` captures "), hidden_region, "", ); - if let Some(reg_info) = tcx.is_suitable_region(hidden_region) { + if let Some(reg_info) = tcx.is_suitable_region(generic_param_scope, hidden_region) { let fn_returns = tcx.return_type_impl_or_dyn_traits(reg_info.def_id); nice_region_error::suggest_new_region_bound( tcx, @@ -349,6 +356,7 @@ pub fn unexpected_hidden_region_diagnostic<'tcx>( explain_free_region( tcx, &mut err, + generic_param_scope, &format!("hidden type `{}` captures ", hidden_ty), hidden_region, "", @@ -376,6 +384,7 @@ pub fn unexpected_hidden_region_diagnostic<'tcx>( note_and_explain_region( tcx, &mut err, + generic_param_scope, &format!("hidden type `{hidden_ty}` captures "), hidden_region, "", @@ -450,7 +459,9 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { for error in errors { debug!("report_region_errors: error = {:?}", error); - guar = Some(if let Some(guar) = self.try_report_nice_region_error(&error) { + let e = if let Some(guar) = + self.try_report_nice_region_error(generic_param_scope, &error) + { guar } else { match error.clone() { @@ -463,9 +474,11 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { // general bit of code that displays the error information RegionResolutionError::ConcreteFailure(origin, sub, sup) => { if sub.is_placeholder() || sup.is_placeholder() { - self.report_placeholder_failure(origin, sub, sup).emit() + self.report_placeholder_failure(generic_param_scope, origin, sub, sup) + .emit() } else { - self.report_concrete_failure(origin, sub, sup).emit() + self.report_concrete_failure(generic_param_scope, origin, sub, sup) + .emit() } } @@ -488,12 +501,29 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { _, ) => { if sub_r.is_placeholder() { - self.report_placeholder_failure(sub_origin, sub_r, sup_r).emit() + self.report_placeholder_failure( + generic_param_scope, + sub_origin, + sub_r, + sup_r, + ) + .emit() } else if sup_r.is_placeholder() { - self.report_placeholder_failure(sup_origin, sub_r, sup_r).emit() + self.report_placeholder_failure( + generic_param_scope, + sup_origin, + sub_r, + sup_r, + ) + .emit() } else { self.report_sub_sup_conflict( - var_origin, sub_origin, sub_r, sup_origin, sup_r, + generic_param_scope, + var_origin, + sub_origin, + sub_r, + sup_origin, + sup_r, ) } } @@ -514,7 +544,13 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { // value. let sub_r = self.tcx.lifetimes.re_erased; - self.report_placeholder_failure(sup_origin, sub_r, sup_r).emit() + self.report_placeholder_failure( + generic_param_scope, + sup_origin, + sub_r, + sup_r, + ) + .emit() } RegionResolutionError::CannotNormalize(clause, origin) => { @@ -526,7 +562,9 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { .emit() } } - }) + }; + + guar = Some(e) } guar.unwrap() @@ -2347,7 +2385,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { '_explain: { let (description, span) = match sub.kind() { ty::ReEarlyParam(_) | ty::ReLateParam(_) | ty::ReStatic => { - msg_span_from_named_region(self.tcx, sub, Some(span)) + msg_span_from_named_region(self.tcx, generic_param_scope, sub, Some(span)) } _ => (format!("lifetime `{sub}`"), Some(span)), }; @@ -2398,7 +2436,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { let suggestion_scope = { let lifetime_scope = match sub.kind() { ty::ReStatic => hir::def_id::CRATE_DEF_ID, - _ => match self.tcx.is_suitable_region(sub) { + _ => match self.tcx.is_suitable_region(generic_param_scope, sub) { Some(info) => info.def_id, None => generic_param_scope, }, @@ -2410,7 +2448,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { }; let mut suggs = vec![]; - let lt_name = self.suggest_name_region(sub, &mut suggs); + let lt_name = self.suggest_name_region(generic_param_scope, sub, &mut suggs); if let Some((sp, has_lifetimes, open_paren_sp)) = type_param_sugg_span && suggestion_scope == type_scope @@ -2455,6 +2493,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { pub fn suggest_name_region( &self, + generic_param_scope: LocalDefId, lifetime: Region<'tcx>, add_lt_suggs: &mut Vec<(Span, String)>, ) -> String { @@ -2501,12 +2540,13 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { } } - let (lifetime_def_id, lifetime_scope) = match self.tcx.is_suitable_region(lifetime) { - Some(info) if !lifetime.has_name() => { - (info.bound_region.get_id().unwrap().expect_local(), info.def_id) - } - _ => return lifetime.get_name_or_anon().to_string(), - }; + let (lifetime_def_id, lifetime_scope) = + match self.tcx.is_suitable_region(generic_param_scope, lifetime) { + Some(info) if !lifetime.has_name() => { + (info.bound_region.get_id().unwrap().expect_local(), info.def_id) + } + _ => return lifetime.get_name_or_anon().to_string(), + }; let new_lt = { let generics = self.tcx.generics_of(lifetime_scope); @@ -2557,6 +2597,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { fn report_sub_sup_conflict( &self, + generic_param_scope: LocalDefId, var_origin: RegionVariableOrigin, sub_origin: SubregionOrigin<'tcx>, sub_region: Region<'tcx>, @@ -2568,6 +2609,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { note_and_explain_region( self.tcx, &mut err, + generic_param_scope, "first, the lifetime cannot outlive ", sup_region, "...", @@ -2590,6 +2632,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { note_and_explain_region( self.tcx, &mut err, + generic_param_scope, "...but the lifetime must also be valid for ", sub_region, "...", @@ -2613,6 +2656,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { note_and_explain_region( self.tcx, &mut err, + generic_param_scope, "but, the lifetime must be valid for ", sub_region, "...", diff --git a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/different_lifetimes.rs b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/different_lifetimes.rs index 84bfa5b5af7f..cbeec591960b 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/different_lifetimes.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/different_lifetimes.rs @@ -13,6 +13,7 @@ use crate::infer::TyCtxt; use rustc_errors::Subdiagnostic; use rustc_errors::{Diag, ErrorGuaranteed}; +use rustc_hir::def_id::LocalDefId; use rustc_hir::Ty; use rustc_middle::ty::Region; @@ -66,17 +67,17 @@ impl<'a, 'tcx> NiceRegionError<'a, 'tcx> { } // Determine whether the sub and sup consist of both anonymous (elided) regions. - let anon_reg_sup = self.tcx().is_suitable_region(sup)?; + let anon_reg_sup = self.tcx().is_suitable_region(self.generic_param_scope, sup)?; - let anon_reg_sub = self.tcx().is_suitable_region(sub)?; + let anon_reg_sub = self.tcx().is_suitable_region(self.generic_param_scope, sub)?; let scope_def_id_sup = anon_reg_sup.def_id; let bregion_sup = anon_reg_sup.bound_region; let scope_def_id_sub = anon_reg_sub.def_id; let bregion_sub = anon_reg_sub.bound_region; - let ty_sup = find_anon_type(self.tcx(), sup, &bregion_sup)?; + let ty_sup = find_anon_type(self.tcx(), self.generic_param_scope, sup, &bregion_sup)?; - let ty_sub = find_anon_type(self.tcx(), sub, &bregion_sub)?; + let ty_sub = find_anon_type(self.tcx(), self.generic_param_scope, sub, &bregion_sub)?; debug!( "try_report_anon_anon_conflict: found_param1={:?} sup={:?} br1={:?}", @@ -127,8 +128,14 @@ impl<'a, 'tcx> NiceRegionError<'a, 'tcx> { }, }; - let suggestion = - AddLifetimeParamsSuggestion { tcx: self.tcx(), sub, ty_sup, ty_sub, add_note: true }; + let suggestion = AddLifetimeParamsSuggestion { + tcx: self.tcx(), + sub, + ty_sup, + ty_sub, + add_note: true, + generic_param_scope: self.generic_param_scope, + }; let err = LifetimeMismatch { span, labels, suggestion }; let reported = self.tcx().dcx().emit_err(err); Some(reported) @@ -139,11 +146,19 @@ impl<'a, 'tcx> NiceRegionError<'a, 'tcx> { /// removed in favour of public_errors::AddLifetimeParamsSuggestion pub fn suggest_adding_lifetime_params<'tcx>( tcx: TyCtxt<'tcx>, + err: &mut Diag<'_>, + generic_param_scope: LocalDefId, sub: Region<'tcx>, ty_sup: &'tcx Ty<'_>, ty_sub: &'tcx Ty<'_>, - err: &mut Diag<'_>, ) { - let suggestion = AddLifetimeParamsSuggestion { tcx, sub, ty_sup, ty_sub, add_note: false }; + let suggestion = AddLifetimeParamsSuggestion { + tcx, + sub, + ty_sup, + ty_sub, + add_note: false, + generic_param_scope, + }; suggestion.add_to_diag(err); } diff --git a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/find_anon_type.rs b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/find_anon_type.rs index 265a315a5597..b91b755d6837 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/find_anon_type.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/find_anon_type.rs @@ -1,5 +1,6 @@ use core::ops::ControlFlow; use rustc_hir as hir; +use rustc_hir::def_id::LocalDefId; use rustc_hir::intravisit::{self, Visitor}; use rustc_middle::hir::map::Map; use rustc_middle::hir::nested_filter; @@ -23,10 +24,11 @@ use rustc_middle::ty::{self, Region, TyCtxt}; /// for e.g., `&u8` and `Vec<&u8>`. pub fn find_anon_type<'tcx>( tcx: TyCtxt<'tcx>, + generic_param_scope: LocalDefId, region: Region<'tcx>, br: &ty::BoundRegionKind, ) -> Option<(&'tcx hir::Ty<'tcx>, &'tcx hir::FnSig<'tcx>)> { - let anon_reg = tcx.is_suitable_region(region)?; + let anon_reg = tcx.is_suitable_region(generic_param_scope, region)?; let fn_sig = tcx.hir_node_by_def_id(anon_reg.def_id).fn_sig()?; fn_sig diff --git a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/mismatched_static_lifetime.rs b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/mismatched_static_lifetime.rs index 45dce0a0e330..7996b4bf65b4 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/mismatched_static_lifetime.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/mismatched_static_lifetime.rs @@ -57,6 +57,7 @@ impl<'a, 'tcx> NiceRegionError<'a, 'tcx> { let expl = note_and_explain::RegionExplanation::new( self.tcx(), + self.generic_param_scope, sup, Some(binding_span), note_and_explain::PrefixKind::Empty, diff --git a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/mod.rs b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/mod.rs index 62c163f0b7f6..cffdfa887523 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/mod.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/mod.rs @@ -2,6 +2,7 @@ use crate::infer::error_reporting::TypeErrCtxt; use crate::infer::lexical_region_resolve::RegionResolutionError; use crate::infer::lexical_region_resolve::RegionResolutionError::*; use rustc_errors::{Diag, ErrorGuaranteed}; +use rustc_hir::def_id::LocalDefId; use rustc_middle::ty::{self, TyCtxt}; use rustc_span::Span; @@ -23,30 +24,39 @@ pub use util::find_param_with_region; impl<'cx, 'tcx> TypeErrCtxt<'cx, 'tcx> { pub fn try_report_nice_region_error( &'cx self, + generic_param_scope: LocalDefId, error: &RegionResolutionError<'tcx>, ) -> Option { - NiceRegionError::new(self, error.clone()).try_report() + NiceRegionError::new(self, generic_param_scope, error.clone()).try_report() } } pub struct NiceRegionError<'cx, 'tcx> { cx: &'cx TypeErrCtxt<'cx, 'tcx>, + /// The innermost definition that introduces generic parameters that may be involved in + /// the region errors we are dealing with. + generic_param_scope: LocalDefId, error: Option>, regions: Option<(Span, ty::Region<'tcx>, ty::Region<'tcx>)>, } impl<'cx, 'tcx> NiceRegionError<'cx, 'tcx> { - pub fn new(cx: &'cx TypeErrCtxt<'cx, 'tcx>, error: RegionResolutionError<'tcx>) -> Self { - Self { cx, error: Some(error), regions: None } + pub fn new( + cx: &'cx TypeErrCtxt<'cx, 'tcx>, + generic_param_scope: LocalDefId, + error: RegionResolutionError<'tcx>, + ) -> Self { + Self { cx, error: Some(error), regions: None, generic_param_scope } } pub fn new_from_span( cx: &'cx TypeErrCtxt<'cx, 'tcx>, + generic_param_scope: LocalDefId, span: Span, sub: ty::Region<'tcx>, sup: ty::Region<'tcx>, ) -> Self { - Self { cx, error: None, regions: Some((span, sub, sup)) } + Self { cx, error: None, regions: Some((span, sub, sup)), generic_param_scope } } fn tcx(&self) -> TyCtxt<'tcx> { diff --git a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/named_anon_conflict.rs b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/named_anon_conflict.rs index 239c2db30e2d..29da12e7d151 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/named_anon_conflict.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/named_anon_conflict.rs @@ -27,12 +27,12 @@ impl<'a, 'tcx> NiceRegionError<'a, 'tcx> { // version new_ty of its type where the anonymous region is replaced // with the named one. let (named, anon, anon_param_info, region_info) = if sub.has_name() - && let Some(region_info) = self.tcx().is_suitable_region(sup) + && let Some(region_info) = self.tcx().is_suitable_region(self.generic_param_scope, sup) && let Some(anon_param_info) = self.find_param_with_region(sup, sub) { (sub, sup, anon_param_info, region_info) } else if sup.has_name() - && let Some(region_info) = self.tcx().is_suitable_region(sub) + && let Some(region_info) = self.tcx().is_suitable_region(self.generic_param_scope, sub) && let Some(anon_param_info) = self.find_param_with_region(sub, sup) { (sup, sub, anon_param_info, region_info) @@ -72,7 +72,7 @@ impl<'a, 'tcx> NiceRegionError<'a, 'tcx> { return None; } - if find_anon_type(self.tcx(), anon, &br).is_some() + if find_anon_type(self.tcx(), self.generic_param_scope, anon, &br).is_some() && self.is_self_anon(is_first, scope_def_id) { return None; diff --git a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/static_impl_trait.rs b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/static_impl_trait.rs index 8a1e3a7ac71b..71a86683c212 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/static_impl_trait.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/static_impl_trait.rs @@ -49,7 +49,7 @@ impl<'a, 'tcx> NiceRegionError<'a, 'tcx> { if let ObligationCauseCode::UnifyReceiver(ctxt) = cause.code() { // This may have a closure and it would cause ICE // through `find_param_with_region` (#78262). - let anon_reg_sup = tcx.is_suitable_region(*sup_r)?; + let anon_reg_sup = tcx.is_suitable_region(self.generic_param_scope, *sup_r)?; let fn_returns = tcx.return_type_impl_or_dyn_traits(anon_reg_sup.def_id); if fn_returns.is_empty() { return None; @@ -92,7 +92,7 @@ impl<'a, 'tcx> NiceRegionError<'a, 'tcx> { "try_report_static_impl_trait(var={:?}, sub={:?} {:?} sup={:?} {:?})", var_origin, sub_origin, sub_r, sup_origin, sup_r ); - let anon_reg_sup = tcx.is_suitable_region(*sup_r)?; + let anon_reg_sup = tcx.is_suitable_region(self.generic_param_scope, *sup_r)?; debug!("try_report_static_impl_trait: anon_reg_sup={:?}", anon_reg_sup); let sp = var_origin.span(); let return_sp = sub_origin.span(); diff --git a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/util.rs b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/util.rs index f1f8314661f3..5f3f1081ca8f 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/util.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/util.rs @@ -37,13 +37,15 @@ pub struct AnonymousParamInfo<'tcx> { #[instrument(skip(tcx), level = "debug")] pub fn find_param_with_region<'tcx>( tcx: TyCtxt<'tcx>, + generic_param_scope: LocalDefId, anon_region: Region<'tcx>, replace_region: Region<'tcx>, ) -> Option> { let (id, bound_region) = match *anon_region { ty::ReLateParam(late_param) => (late_param.scope, late_param.bound_region), ty::ReEarlyParam(ebr) => { - (tcx.parent(ebr.def_id), ty::BoundRegionKind::BrNamed(ebr.def_id, ebr.name)) + let region_def = tcx.generics_of(generic_param_scope).region_param(ebr, tcx).def_id; + (tcx.parent(region_def), ty::BoundRegionKind::BrNamed(region_def, ebr.name)) } _ => return None, // not a free region }; @@ -53,7 +55,7 @@ pub fn find_param_with_region<'tcx>( // FIXME: use def_kind // Don't perform this on closures - match tcx.hir_node_by_def_id(def_id) { + match tcx.hir_node_by_def_id(generic_param_scope) { hir::Node::Expr(&hir::Expr { kind: hir::ExprKind::Closure { .. }, .. }) => { return None; } @@ -110,7 +112,7 @@ impl<'a, 'tcx> NiceRegionError<'a, 'tcx> { anon_region: Region<'tcx>, replace_region: Region<'tcx>, ) -> Option> { - find_param_with_region(self.tcx(), anon_region, replace_region) + find_param_with_region(self.tcx(), self.generic_param_scope, anon_region, replace_region) } // Here, we check for the case where the anonymous region diff --git a/compiler/rustc_infer/src/infer/error_reporting/note.rs b/compiler/rustc_infer/src/infer/error_reporting/note.rs index 00dd20a2cc27..acb74f8a82ce 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/note.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/note.rs @@ -75,6 +75,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { pub(super) fn report_concrete_failure( &self, + generic_param_scope: LocalDefId, origin: SubregionOrigin<'tcx>, sub: Region<'tcx>, sup: Region<'tcx>, @@ -89,6 +90,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { note_and_explain_region( self.tcx, &mut err, + generic_param_scope, "", sup, " doesn't meet the lifetime requirements", @@ -99,6 +101,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { note_and_explain_region( self.tcx, &mut err, + generic_param_scope, "the required lifetime does not necessarily outlive ", sub, "", @@ -106,10 +109,19 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { ); } _ => { - note_and_explain_region(self.tcx, &mut err, "", sup, "...", None); note_and_explain_region( self.tcx, &mut err, + generic_param_scope, + "", + sup, + "...", + None, + ); + note_and_explain_region( + self.tcx, + &mut err, + generic_param_scope, "...does not necessarily outlive ", sub, "", @@ -122,6 +134,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { infer::Reborrow(span) => { let reference_valid = note_and_explain::RegionExplanation::new( self.tcx, + generic_param_scope, sub, None, note_and_explain::PrefixKind::RefValidFor, @@ -129,6 +142,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { ); let content_valid = note_and_explain::RegionExplanation::new( self.tcx, + generic_param_scope, sup, None, note_and_explain::PrefixKind::ContentValidFor, @@ -142,6 +156,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { infer::RelateObjectBound(span) => { let object_valid = note_and_explain::RegionExplanation::new( self.tcx, + generic_param_scope, sub, None, note_and_explain::PrefixKind::TypeObjValidFor, @@ -149,6 +164,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { ); let pointer_valid = note_and_explain::RegionExplanation::new( self.tcx, + generic_param_scope, sup, None, note_and_explain::PrefixKind::SourcePointerValidFor, @@ -170,7 +186,12 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { note_and_explain::SuffixKind::Empty }; let note = note_and_explain::RegionExplanation::new( - self.tcx, sub, opt_span, prefix, suffix, + self.tcx, + generic_param_scope, + sub, + opt_span, + prefix, + suffix, ); self.dcx().create_err(FulfillReqLifetime { span, @@ -181,6 +202,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { infer::RelateRegionParamBound(span) => { let param_instantiated = note_and_explain::RegionExplanation::new( self.tcx, + generic_param_scope, sup, None, note_and_explain::PrefixKind::LfParamInstantiatedWith, @@ -188,6 +210,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { ); let param_must_outlive = note_and_explain::RegionExplanation::new( self.tcx, + generic_param_scope, sub, None, note_and_explain::PrefixKind::LfParamMustOutlive, @@ -201,6 +224,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { infer::ReferenceOutlivesReferent(ty, span) => { let pointer_valid = note_and_explain::RegionExplanation::new( self.tcx, + generic_param_scope, sub, None, note_and_explain::PrefixKind::PointerValidFor, @@ -208,6 +232,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { ); let data_valid = note_and_explain::RegionExplanation::new( self.tcx, + generic_param_scope, sup, None, note_and_explain::PrefixKind::DataValidFor, @@ -239,7 +264,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { err } infer::CheckAssociatedTypeBounds { impl_item_def_id, trait_item_def_id, parent } => { - let mut err = self.report_concrete_failure(*parent, sub, sup); + let mut err = self.report_concrete_failure(generic_param_scope, *parent, sub, sup); // Don't mention the item name if it's an RPITIT, since that'll just confuse // folks. @@ -262,6 +287,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { infer::AscribeUserTypeProvePredicate(span) => { let instantiated = note_and_explain::RegionExplanation::new( self.tcx, + generic_param_scope, sup, None, note_and_explain::PrefixKind::LfInstantiatedWith, @@ -269,6 +295,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { ); let must_outlive = note_and_explain::RegionExplanation::new( self.tcx, + generic_param_scope, sub, None, note_and_explain::PrefixKind::LfMustOutlive, @@ -347,6 +374,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { pub(super) fn report_placeholder_failure( &self, + generic_param_scope: LocalDefId, placeholder_origin: SubregionOrigin<'tcx>, sub: Region<'tcx>, sup: Region<'tcx>, @@ -368,7 +396,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { && !span.is_dummy() { let span = *span; - self.report_concrete_failure(placeholder_origin, sub, sup) + self.report_concrete_failure(generic_param_scope, placeholder_origin, sub, sup) .with_span_note(span, "the lifetime requirement is introduced here") } else { unreachable!( @@ -380,7 +408,14 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { let terr = TypeError::RegionsPlaceholderMismatch; return self.report_and_explain_type_error(trace, terr); } - _ => return self.report_concrete_failure(placeholder_origin, sub, sup), + _ => { + return self.report_concrete_failure( + generic_param_scope, + placeholder_origin, + sub, + sup, + ); + } } } } diff --git a/compiler/rustc_lint/src/builtin.rs b/compiler/rustc_lint/src/builtin.rs index 85d54ce563d2..0129b8f842f0 100644 --- a/compiler/rustc_lint/src/builtin.rs +++ b/compiler/rustc_lint/src/builtin.rs @@ -1950,14 +1950,22 @@ declare_lint_pass!(ExplicitOutlivesRequirements => [EXPLICIT_OUTLIVES_REQUIREMEN impl ExplicitOutlivesRequirements { fn lifetimes_outliving_lifetime<'tcx>( + tcx: TyCtxt<'tcx>, inferred_outlives: &'tcx [(ty::Clause<'tcx>, Span)], - def_id: DefId, + item: DefId, + lifetime: DefId, ) -> Vec> { + let item_generics = tcx.generics_of(item); + inferred_outlives .iter() .filter_map(|(clause, _)| match clause.kind().skip_binder() { ty::ClauseKind::RegionOutlives(ty::OutlivesPredicate(a, b)) => match *a { - ty::ReEarlyParam(ebr) if ebr.def_id == def_id => Some(b), + ty::ReEarlyParam(ebr) + if item_generics.region_param(ebr, tcx).def_id == lifetime => + { + Some(b) + } _ => None, }, _ => None, @@ -1986,6 +1994,7 @@ impl ExplicitOutlivesRequirements { bounds: &hir::GenericBounds<'_>, inferred_outlives: &[ty::Region<'tcx>], predicate_span: Span, + item: DefId, ) -> Vec<(usize, Span)> { use rustc_middle::middle::resolve_bound_vars::ResolvedArg; @@ -2000,7 +2009,7 @@ impl ExplicitOutlivesRequirements { let is_inferred = match tcx.named_bound_var(lifetime.hir_id) { Some(ResolvedArg::EarlyBound(def_id)) => inferred_outlives .iter() - .any(|r| matches!(**r, ty::ReEarlyParam(ebr) if { ebr.def_id == def_id })), + .any(|r| matches!(**r, ty::ReEarlyParam(ebr) if { tcx.generics_of(item).region_param(ebr, tcx).def_id == def_id })), _ => false, }; @@ -2109,7 +2118,9 @@ impl<'tcx> LateLintPass<'tcx> for ExplicitOutlivesRequirements { { ( Self::lifetimes_outliving_lifetime( + cx.tcx, inferred_outlives, + item.owner_id.to_def_id(), region_def_id, ), &predicate.bounds, @@ -2152,6 +2163,7 @@ impl<'tcx> LateLintPass<'tcx> for ExplicitOutlivesRequirements { bounds, &relevant_lifetimes, predicate_span, + item.owner_id.to_def_id(), ); bound_count += bound_spans.len(); diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index 6e53b5bb5206..318a18715e49 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -1488,13 +1488,14 @@ impl<'tcx> TyCtxt<'tcx> { } /// Returns the `DefId` and the `BoundRegionKind` corresponding to the given region. - pub fn is_suitable_region(self, mut region: Region<'tcx>) -> Option { + pub fn is_suitable_region( + self, + generic_param_scope: LocalDefId, + mut region: Region<'tcx>, + ) -> Option { let (suitable_region_binding_scope, bound_region) = loop { - let def_id = match region.kind() { - ty::ReLateParam(fr) => fr.bound_region.get_id()?.as_local()?, - ty::ReEarlyParam(ebr) => ebr.def_id.as_local()?, - _ => return None, // not a free region - }; + let def_id = + region.opt_param_def_id(self, generic_param_scope.to_def_id())?.as_local()?; let scope = self.local_parent(def_id); if self.def_kind(scope) == DefKind::OpaqueTy { // Lifetime params of opaque types are synthetic and thus irrelevant to @@ -2633,7 +2634,6 @@ impl<'tcx> TyCtxt<'tcx> { return ty::Region::new_early_param( self, ty::EarlyParamRegion { - def_id: ebv, index: generics .param_def_id_to_index(self, ebv) .expect("early-bound var should be present in fn generics"), diff --git a/compiler/rustc_middle/src/ty/generics.rs b/compiler/rustc_middle/src/ty/generics.rs index 870e4865aeab..8fdff40024bb 100644 --- a/compiler/rustc_middle/src/ty/generics.rs +++ b/compiler/rustc_middle/src/ty/generics.rs @@ -66,7 +66,7 @@ pub struct GenericParamDef { impl GenericParamDef { pub fn to_early_bound_region_data(&self) -> ty::EarlyParamRegion { if let GenericParamDefKind::Lifetime = self.kind { - ty::EarlyParamRegion { def_id: self.def_id, index: self.index, name: self.name } + ty::EarlyParamRegion { index: self.index, name: self.name } } else { bug!("cannot convert a non-lifetime parameter def to an early bound region") } diff --git a/compiler/rustc_middle/src/ty/region.rs b/compiler/rustc_middle/src/ty/region.rs index 0e07ef31c26c..0807cbf91d16 100644 --- a/compiler/rustc_middle/src/ty/region.rs +++ b/compiler/rustc_middle/src/ty/region.rs @@ -265,33 +265,6 @@ impl<'tcx> Region<'tcx> { flags } - /// Given an early-bound or free region, returns the `DefId` where it was bound. - /// For example, consider the regions in this snippet of code: - /// - /// ```ignore (illustrative) - /// impl<'a> Foo { - /// // ^^ -- early bound, declared on an impl - /// - /// fn bar<'b, 'c>(x: &self, y: &'b u32, z: &'c u64) where 'static: 'c - /// // ^^ ^^ ^ anonymous, late-bound - /// // | early-bound, appears in where-clauses - /// // late-bound, appears only in fn args - /// {..} - /// } - /// ``` - /// - /// Here, `free_region_binding_scope('a)` would return the `DefId` - /// of the impl, and for all the other highlighted regions, it - /// would return the `DefId` of the function. In other cases (not shown), this - /// function might return the `DefId` of a closure. - pub fn free_region_binding_scope(self, tcx: TyCtxt<'_>) -> DefId { - match *self { - ty::ReEarlyParam(br) => tcx.parent(br.def_id), - ty::ReLateParam(fr) => fr.scope, - _ => bug!("free_region_binding_scope invoked on inappropriate region: {:?}", self), - } - } - /// True for free regions other than `'static`. pub fn is_param(self) -> bool { matches!(*self, ty::ReEarlyParam(_) | ty::ReLateParam(_)) diff --git a/compiler/rustc_smir/src/rustc_smir/convert/ty.rs b/compiler/rustc_smir/src/rustc_smir/convert/ty.rs index be20924670c3..233cfd792880 100644 --- a/compiler/rustc_smir/src/rustc_smir/convert/ty.rs +++ b/compiler/rustc_smir/src/rustc_smir/convert/ty.rs @@ -771,7 +771,7 @@ impl<'tcx> Stable<'tcx> for ty::RegionKind<'tcx> { use stable_mir::ty::{BoundRegion, EarlyParamRegion, RegionKind}; match self { ty::ReEarlyParam(early_reg) => RegionKind::ReEarlyParam(EarlyParamRegion { - def_id: tables.region_def(early_reg.def_id), + def_id: tables.region_def(todo!()), index: early_reg.index, name: early_reg.name.to_string(), }), diff --git a/compiler/rustc_trait_selection/src/traits/mod.rs b/compiler/rustc_trait_selection/src/traits/mod.rs index 204bb487c860..e35b8e9fe7d8 100644 --- a/compiler/rustc_trait_selection/src/traits/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/mod.rs @@ -185,6 +185,7 @@ fn do_normalize_predicates<'tcx>( predicates: Vec>, ) -> Result>, ErrorGuaranteed> { let span = cause.span; + // FIXME. We should really... do something with these region // obligations. But this call just continues the older // behavior (i.e., doesn't cause any new bugs), and it would diff --git a/compiler/rustc_ty_utils/src/implied_bounds.rs b/compiler/rustc_ty_utils/src/implied_bounds.rs index e87058f9ba48..6f71951b5162 100644 --- a/compiler/rustc_ty_utils/src/implied_bounds.rs +++ b/compiler/rustc_ty_utils/src/implied_bounds.rs @@ -79,11 +79,7 @@ fn assumed_wf_types<'tcx>(tcx: TyCtxt<'tcx>, def_id: LocalDefId) -> &'tcx [(Ty<' orig_lt, ty::Region::new_early_param( tcx, - ty::EarlyParamRegion { - def_id: param.def_id, - index: param.index, - name: param.name, - }, + ty::EarlyParamRegion { index: param.index, name: param.name }, ), ); } diff --git a/tests/ui/nll/ty-outlives/impl-trait-captures.stderr b/tests/ui/nll/ty-outlives/impl-trait-captures.stderr index 3893cdf482e6..48569d1446dd 100644 --- a/tests/ui/nll/ty-outlives/impl-trait-captures.stderr +++ b/tests/ui/nll/ty-outlives/impl-trait-captures.stderr @@ -1,4 +1,4 @@ -error[E0700]: hidden type for `Opaque(DefId(0:13 ~ impl_trait_captures[aeb9]::foo::{opaque#0}), [DefId(0:9 ~ impl_trait_captures[aeb9]::foo::'a)_'a/#0, T, DefId(0:9 ~ impl_trait_captures[aeb9]::foo::'a)_'a/#0])` captures lifetime that does not appear in bounds +error[E0700]: hidden type for `Opaque(DefId(0:13 ~ impl_trait_captures[aeb9]::foo::{opaque#0}), ['a/#0, T, 'a/#0])` captures lifetime that does not appear in bounds --> $DIR/impl-trait-captures.rs:11:5 | LL | fn foo<'a, T>(x: &T) -> impl Foo<'a> { @@ -8,7 +8,7 @@ LL | fn foo<'a, T>(x: &T) -> impl Foo<'a> { LL | x | ^ | -help: to declare that `Opaque(DefId(0:13 ~ impl_trait_captures[aeb9]::foo::{opaque#0}), [DefId(0:9 ~ impl_trait_captures[aeb9]::foo::'a)_'a/#0, T, DefId(0:14 ~ impl_trait_captures[aeb9]::foo::{opaque#0}::'a)_'a/#2])` captures `ReLateParam(DefId(0:8 ~ impl_trait_captures[aeb9]::foo), BrNamed(DefId(0:12 ~ impl_trait_captures[aeb9]::foo::'_), '_))`, you can add an explicit `ReLateParam(DefId(0:8 ~ impl_trait_captures[aeb9]::foo), BrNamed(DefId(0:12 ~ impl_trait_captures[aeb9]::foo::'_), '_))` lifetime bound +help: to declare that `Opaque(DefId(0:13 ~ impl_trait_captures[aeb9]::foo::{opaque#0}), ['a/#0, T, 'a/#2])` captures `ReLateParam(DefId(0:8 ~ impl_trait_captures[aeb9]::foo), BrNamed(DefId(0:12 ~ impl_trait_captures[aeb9]::foo::'_), '_))`, you can add an explicit `ReLateParam(DefId(0:8 ~ impl_trait_captures[aeb9]::foo), BrNamed(DefId(0:12 ~ impl_trait_captures[aeb9]::foo::'_), '_))` lifetime bound | LL | fn foo<'a, T>(x: &T) -> impl Foo<'a> + ReLateParam(DefId(0:8 ~ impl_trait_captures[aeb9]::foo), BrNamed(DefId(0:12 ~ impl_trait_captures[aeb9]::foo::'_), '_)) { | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ From f856ee357c1d40eb51e2a545ed30063c55b24c32 Mon Sep 17 00:00:00 2001 From: Boxy Date: Fri, 24 May 2024 17:25:50 +0100 Subject: [PATCH 0522/1716] Remove `DefId` from `EarlyParamRegion` (clippy/smir) --- .../rustc_smir/src/rustc_smir/convert/ty.rs | 1 - compiler/stable_mir/src/ty.rs | 1 - src/tools/clippy/clippy_lints/src/ptr.rs | 19 +++++++++---------- 3 files changed, 9 insertions(+), 12 deletions(-) diff --git a/compiler/rustc_smir/src/rustc_smir/convert/ty.rs b/compiler/rustc_smir/src/rustc_smir/convert/ty.rs index 233cfd792880..a511989d972c 100644 --- a/compiler/rustc_smir/src/rustc_smir/convert/ty.rs +++ b/compiler/rustc_smir/src/rustc_smir/convert/ty.rs @@ -771,7 +771,6 @@ impl<'tcx> Stable<'tcx> for ty::RegionKind<'tcx> { use stable_mir::ty::{BoundRegion, EarlyParamRegion, RegionKind}; match self { ty::ReEarlyParam(early_reg) => RegionKind::ReEarlyParam(EarlyParamRegion { - def_id: tables.region_def(todo!()), index: early_reg.index, name: early_reg.name.to_string(), }), diff --git a/compiler/stable_mir/src/ty.rs b/compiler/stable_mir/src/ty.rs index f3ac2bfcdb01..d62054eff609 100644 --- a/compiler/stable_mir/src/ty.rs +++ b/compiler/stable_mir/src/ty.rs @@ -190,7 +190,6 @@ pub(crate) type DebruijnIndex = u32; #[derive(Clone, Debug, Eq, PartialEq)] pub struct EarlyParamRegion { - pub def_id: RegionDef, pub index: u32, pub name: Symbol, } diff --git a/src/tools/clippy/clippy_lints/src/ptr.rs b/src/tools/clippy/clippy_lints/src/ptr.rs index 65929cd5fea9..38580dc58226 100644 --- a/src/tools/clippy/clippy_lints/src/ptr.rs +++ b/src/tools/clippy/clippy_lints/src/ptr.rs @@ -460,13 +460,19 @@ fn check_fn_args<'cx, 'tcx: 'cx>( } None }) { - if !lifetime.is_anonymous() + if let LifetimeName::Param(param_def_id) = lifetime.res + && !lifetime.is_anonymous() && fn_sig .output() .walk() .filter_map(|arg| { arg.as_region().and_then(|lifetime| match lifetime.kind() { - ty::ReEarlyParam(r) => Some(r.def_id), + ty::ReEarlyParam(r) => Some( + cx.tcx + .generics_of(cx.tcx.parent(param_def_id.to_def_id())) + .region_param(r, cx.tcx) + .def_id, + ), ty::ReBound(_, r) => r.kind.get_id(), ty::ReLateParam(r) => r.bound_region.get_id(), ty::ReStatic @@ -476,14 +482,7 @@ fn check_fn_args<'cx, 'tcx: 'cx>( | ty::ReError(_) => None, }) }) - .any(|def_id| { - matches!( - lifetime.res, - LifetimeName::Param(param_def_id) if def_id - .as_local() - .is_some_and(|def_id| def_id == param_def_id), - ) - }) + .any(|def_id| def_id.as_local().is_some_and(|def_id| def_id == param_def_id)) { // `&Cow<'a, T>` when the return type uses 'a is okay return None; From 796cb8031d4b3a12bceb95c8b029e90fd5d4e568 Mon Sep 17 00:00:00 2001 From: Boxy Date: Fri, 24 May 2024 17:31:01 +0100 Subject: [PATCH 0523/1716] Remove failing tests --- tests/crashes/118403.rs | 8 -------- tests/crashes/121574-2.rs | 8 -------- tests/crashes/121574.rs | 6 ------ 3 files changed, 22 deletions(-) delete mode 100644 tests/crashes/118403.rs delete mode 100644 tests/crashes/121574-2.rs delete mode 100644 tests/crashes/121574.rs diff --git a/tests/crashes/118403.rs b/tests/crashes/118403.rs deleted file mode 100644 index 21ab15f9ffd0..000000000000 --- a/tests/crashes/118403.rs +++ /dev/null @@ -1,8 +0,0 @@ -//@ known-bug: #118403 -#![feature(generic_const_exprs)] -pub struct X {} -impl X { - pub fn y<'a, U: 'a>(&'a self) -> impl Iterator + '_> { - (0..1).map(move |_| (0..1).map(move |_| loop {})) - } -} diff --git a/tests/crashes/121574-2.rs b/tests/crashes/121574-2.rs deleted file mode 100644 index a08f3f063974..000000000000 --- a/tests/crashes/121574-2.rs +++ /dev/null @@ -1,8 +0,0 @@ -//@ known-bug: #121574 -#![feature(generic_const_exprs)] -pub struct DimName {} -impl X { - pub fn y<'a, U: 'a>(&'a self) -> impl Iterator + '_> { - "0".as_bytes(move |_| (0..1).map(move |_| loop {})) - } -} diff --git a/tests/crashes/121574.rs b/tests/crashes/121574.rs deleted file mode 100644 index 53eec829c5f3..000000000000 --- a/tests/crashes/121574.rs +++ /dev/null @@ -1,6 +0,0 @@ -//@ known-bug: #121574 -#![feature(generic_const_exprs)] - -impl X { - pub fn y<'a, U: 'a>(&'a self) -> impl Iterator + '_> {} -} From 714e172ef215f6c57a2449175278f6e0c330a2af Mon Sep 17 00:00:00 2001 From: Boxy Date: Fri, 24 May 2024 17:25:50 +0100 Subject: [PATCH 0524/1716] Remove `DefId` from `EarlyParamRegion` (clippy/smir) --- clippy_lints/src/ptr.rs | 19 +++++++++---------- 1 file changed, 9 insertions(+), 10 deletions(-) diff --git a/clippy_lints/src/ptr.rs b/clippy_lints/src/ptr.rs index 65929cd5fea9..38580dc58226 100644 --- a/clippy_lints/src/ptr.rs +++ b/clippy_lints/src/ptr.rs @@ -460,13 +460,19 @@ fn check_fn_args<'cx, 'tcx: 'cx>( } None }) { - if !lifetime.is_anonymous() + if let LifetimeName::Param(param_def_id) = lifetime.res + && !lifetime.is_anonymous() && fn_sig .output() .walk() .filter_map(|arg| { arg.as_region().and_then(|lifetime| match lifetime.kind() { - ty::ReEarlyParam(r) => Some(r.def_id), + ty::ReEarlyParam(r) => Some( + cx.tcx + .generics_of(cx.tcx.parent(param_def_id.to_def_id())) + .region_param(r, cx.tcx) + .def_id, + ), ty::ReBound(_, r) => r.kind.get_id(), ty::ReLateParam(r) => r.bound_region.get_id(), ty::ReStatic @@ -476,14 +482,7 @@ fn check_fn_args<'cx, 'tcx: 'cx>( | ty::ReError(_) => None, }) }) - .any(|def_id| { - matches!( - lifetime.res, - LifetimeName::Param(param_def_id) if def_id - .as_local() - .is_some_and(|def_id| def_id == param_def_id), - ) - }) + .any(|def_id| def_id.as_local().is_some_and(|def_id| def_id == param_def_id)) { // `&Cow<'a, T>` when the return type uses 'a is okay return None; From 65dffc1990f91b470f23175ef243bdd5e0b5313a Mon Sep 17 00:00:00 2001 From: Mahmoud Al-Qudsi Date: Fri, 24 May 2024 12:10:05 -0500 Subject: [PATCH 0525/1716] Change pedantically incorrect OnceCell/OnceLock wording While the semantic intent of a OnceCell/OnceLock is that it can only be written to once (upon init), the fact of the matter is that both these types offer a `take(&mut self) -> Option` mechanism that, when successful, resets the cell to its initial state, thereby technically allowing it to be written to again. Despite the fact that this can only happen with a mutable reference (generally only used during the construction of the OnceCell/OnceLock), it would be incorrect to say that the type itself as a whole categorically prevents being initialized or written to more than once (since it is possible to imagine an identical type only without the `take()` method that actually fulfills that contract). To clarify, change "that cannot be.." to "that nominally cannot.." and add a note to OnceCell about what can be done with an `&mut Self` reference. --- library/core/src/cell/once.rs | 4 ++-- library/std/src/sync/once_lock.rs | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/library/core/src/cell/once.rs b/library/core/src/cell/once.rs index a7c3dfc982d1..872b4da4dbfd 100644 --- a/library/core/src/cell/once.rs +++ b/library/core/src/cell/once.rs @@ -2,12 +2,12 @@ use crate::cell::UnsafeCell; use crate::fmt; use crate::mem; -/// A cell which can be written to only once. +/// A cell which can nominally be written to only once. /// /// This allows obtaining a shared `&T` reference to its inner value without copying or replacing /// it (unlike [`Cell`]), and without runtime borrow checks (unlike [`RefCell`]). However, /// only immutable references can be obtained unless one has a mutable reference to the cell -/// itself. +/// itself. In the same vein, the cell can only be re-initialized with such a mutable reference. /// /// For a thread-safe version of this struct, see [`std::sync::OnceLock`]. /// diff --git a/library/std/src/sync/once_lock.rs b/library/std/src/sync/once_lock.rs index fc830baccedd..6b9f70da8547 100644 --- a/library/std/src/sync/once_lock.rs +++ b/library/std/src/sync/once_lock.rs @@ -5,7 +5,7 @@ use crate::mem::MaybeUninit; use crate::panic::{RefUnwindSafe, UnwindSafe}; use crate::sync::Once; -/// A synchronization primitive which can be written to only once. +/// A synchronization primitive which can nominally be written to only once. /// /// This type is a thread-safe [`OnceCell`], and can be used in statics. /// From de517b79bc417caa507d598824ae869fe4f7c74e Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Fri, 24 May 2024 12:19:33 -0400 Subject: [PATCH 0526/1716] Actually just remove the special case altogether --- .../src/collect/predicates_of.rs | 120 +++++++----------- tests/crashes/118403.rs | 8 -- tests/crashes/121574-2.rs | 8 -- tests/crashes/121574.rs | 6 - .../double-opaque-parent-predicates.rs | 13 ++ .../double-opaque-parent-predicates.stderr | 11 ++ 6 files changed, 70 insertions(+), 96 deletions(-) delete mode 100644 tests/crashes/118403.rs delete mode 100644 tests/crashes/121574-2.rs delete mode 100644 tests/crashes/121574.rs create mode 100644 tests/ui/const-generics/generic_const_exprs/double-opaque-parent-predicates.rs create mode 100644 tests/ui/const-generics/generic_const_exprs/double-opaque-parent-predicates.stderr diff --git a/compiler/rustc_hir_analysis/src/collect/predicates_of.rs b/compiler/rustc_hir_analysis/src/collect/predicates_of.rs index db36aba7edf4..606f16537678 100644 --- a/compiler/rustc_hir_analysis/src/collect/predicates_of.rs +++ b/compiler/rustc_hir_analysis/src/collect/predicates_of.rs @@ -461,83 +461,55 @@ pub(super) fn explicit_predicates_of<'tcx>( } } } else { - if matches!(def_kind, DefKind::AnonConst) && tcx.features().generic_const_exprs { - let hir_id = tcx.local_def_id_to_hir_id(def_id); - let parent_def_id = tcx.hir().get_parent_item(hir_id); + if matches!(def_kind, DefKind::AnonConst) + && tcx.features().generic_const_exprs + && let Some(defaulted_param_def_id) = + tcx.hir().opt_const_param_default_param_def_id(tcx.local_def_id_to_hir_id(def_id)) + { + // In `generics_of` we set the generics' parent to be our parent's parent which means that + // we lose out on the predicates of our actual parent if we dont return those predicates here. + // (See comment in `generics_of` for more information on why the parent shenanigans is necessary) + // + // struct Foo::ASSOC }>(T) where T: Trait; + // ^^^ ^^^^^^^^^^^^^^^^^^^^^^^ the def id we are calling + // ^^^ explicit_predicates_of on + // parent item we dont have set as the + // parent of generics returned by `generics_of` + // + // In the above code we want the anon const to have predicates in its param env for `T: Trait` + // and we would be calling `explicit_predicates_of(Foo)` here + let parent_def_id = tcx.local_parent(def_id); + let parent_preds = tcx.explicit_predicates_of(parent_def_id); - if let Some(defaulted_param_def_id) = - tcx.hir().opt_const_param_default_param_def_id(hir_id) - { - // In `generics_of` we set the generics' parent to be our parent's parent which means that - // we lose out on the predicates of our actual parent if we dont return those predicates here. - // (See comment in `generics_of` for more information on why the parent shenanigans is necessary) - // - // struct Foo::ASSOC }>(T) where T: Trait; - // ^^^ ^^^^^^^^^^^^^^^^^^^^^^^ the def id we are calling - // ^^^ explicit_predicates_of on - // parent item we dont have set as the - // parent of generics returned by `generics_of` - // - // In the above code we want the anon const to have predicates in its param env for `T: Trait` - // and we would be calling `explicit_predicates_of(Foo)` here - let parent_preds = tcx.explicit_predicates_of(parent_def_id); - - // If we dont filter out `ConstArgHasType` predicates then every single defaulted const parameter - // will ICE because of #106994. FIXME(generic_const_exprs): remove this when a more general solution - // to #106994 is implemented. - let filtered_predicates = parent_preds - .predicates - .into_iter() - .filter(|(pred, _)| { - if let ty::ClauseKind::ConstArgHasType(ct, _) = pred.kind().skip_binder() { - match ct.kind() { - ty::ConstKind::Param(param_const) => { - let defaulted_param_idx = tcx - .generics_of(parent_def_id) - .param_def_id_to_index[&defaulted_param_def_id.to_def_id()]; - param_const.index < defaulted_param_idx - } - _ => bug!( - "`ConstArgHasType` in `predicates_of`\ - that isn't a `Param` const" - ), + // If we dont filter out `ConstArgHasType` predicates then every single defaulted const parameter + // will ICE because of #106994. FIXME(generic_const_exprs): remove this when a more general solution + // to #106994 is implemented. + let filtered_predicates = parent_preds + .predicates + .into_iter() + .filter(|(pred, _)| { + if let ty::ClauseKind::ConstArgHasType(ct, _) = pred.kind().skip_binder() { + match ct.kind() { + ty::ConstKind::Param(param_const) => { + let defaulted_param_idx = tcx + .generics_of(parent_def_id) + .param_def_id_to_index[&defaulted_param_def_id.to_def_id()]; + param_const.index < defaulted_param_idx } - } else { - true + _ => bug!( + "`ConstArgHasType` in `predicates_of`\ + that isn't a `Param` const" + ), } - }) - .cloned(); - return GenericPredicates { - parent: parent_preds.parent, - predicates: { tcx.arena.alloc_from_iter(filtered_predicates) }, - }; - } - - let parent_def_kind = tcx.def_kind(parent_def_id); - if matches!(parent_def_kind, DefKind::OpaqueTy) { - // In `instantiate_identity` we inherit the predicates of our parent. - // However, opaque types do not have a parent (see `gather_explicit_predicates_of`), which means - // that we lose out on the predicates of our actual parent if we dont return those predicates here. - // - // - // fn foo() -> impl Iterator::ASSOC }> > { todo!() } - // ^^^^^^^^^^^^^^^^^^^ the def id we are calling - // explicit_predicates_of on - // - // In the above code we want the anon const to have predicates in its param env for `T: Trait`. - // However, the anon const cannot inherit predicates from its parent since it's opaque. - // - // To fix this, we call `explicit_predicates_of` directly on `foo`, the parent's parent. - - // In the above example this is `foo::{opaque#0}` or `impl Iterator` - let parent_hir_id = tcx.local_def_id_to_hir_id(parent_def_id.def_id); - - // In the above example this is the function `foo` - let item_def_id = tcx.hir().get_parent_item(parent_hir_id); - - // In the above code example we would be calling `explicit_predicates_of(foo)` here - return tcx.explicit_predicates_of(item_def_id); - } + } else { + true + } + }) + .cloned(); + return GenericPredicates { + parent: parent_preds.parent, + predicates: { tcx.arena.alloc_from_iter(filtered_predicates) }, + }; } gather_explicit_predicates_of(tcx, def_id) } diff --git a/tests/crashes/118403.rs b/tests/crashes/118403.rs deleted file mode 100644 index 21ab15f9ffd0..000000000000 --- a/tests/crashes/118403.rs +++ /dev/null @@ -1,8 +0,0 @@ -//@ known-bug: #118403 -#![feature(generic_const_exprs)] -pub struct X {} -impl X { - pub fn y<'a, U: 'a>(&'a self) -> impl Iterator + '_> { - (0..1).map(move |_| (0..1).map(move |_| loop {})) - } -} diff --git a/tests/crashes/121574-2.rs b/tests/crashes/121574-2.rs deleted file mode 100644 index a08f3f063974..000000000000 --- a/tests/crashes/121574-2.rs +++ /dev/null @@ -1,8 +0,0 @@ -//@ known-bug: #121574 -#![feature(generic_const_exprs)] -pub struct DimName {} -impl X { - pub fn y<'a, U: 'a>(&'a self) -> impl Iterator + '_> { - "0".as_bytes(move |_| (0..1).map(move |_| loop {})) - } -} diff --git a/tests/crashes/121574.rs b/tests/crashes/121574.rs deleted file mode 100644 index 53eec829c5f3..000000000000 --- a/tests/crashes/121574.rs +++ /dev/null @@ -1,6 +0,0 @@ -//@ known-bug: #121574 -#![feature(generic_const_exprs)] - -impl X { - pub fn y<'a, U: 'a>(&'a self) -> impl Iterator + '_> {} -} diff --git a/tests/ui/const-generics/generic_const_exprs/double-opaque-parent-predicates.rs b/tests/ui/const-generics/generic_const_exprs/double-opaque-parent-predicates.rs new file mode 100644 index 000000000000..e48d559aa327 --- /dev/null +++ b/tests/ui/const-generics/generic_const_exprs/double-opaque-parent-predicates.rs @@ -0,0 +1,13 @@ +//@ check-pass + +#![feature(generic_const_exprs)] +//~^ WARN the feature `generic_const_exprs` is incomplete and may not be safe to use + +pub fn y<'a, U: 'a>() -> impl IntoIterator + 'a> { + [[[1, 2, 3]]] +} +// Make sure that the `predicates_of` for `{ 1 + 2 }` don't mention the duplicated lifetimes of +// the *outer* iterator. Whether they should mention the duplicated lifetimes of the *inner* +// iterator are another question, but not really something we need to answer immediately. + +fn main() {} diff --git a/tests/ui/const-generics/generic_const_exprs/double-opaque-parent-predicates.stderr b/tests/ui/const-generics/generic_const_exprs/double-opaque-parent-predicates.stderr new file mode 100644 index 000000000000..faaede13e6b6 --- /dev/null +++ b/tests/ui/const-generics/generic_const_exprs/double-opaque-parent-predicates.stderr @@ -0,0 +1,11 @@ +warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/double-opaque-parent-predicates.rs:3:12 + | +LL | #![feature(generic_const_exprs)] + | ^^^^^^^^^^^^^^^^^^^ + | + = note: see issue #76560 for more information + = note: `#[warn(incomplete_features)]` on by default + +warning: 1 warning emitted + From 9f8b1caf2957f281f88577ff62b20811d5fcb419 Mon Sep 17 00:00:00 2001 From: Alona Enraght-Moony Date: Fri, 24 May 2024 17:17:25 +0000 Subject: [PATCH 0527/1716] Add intra-doc-links to rustc_middle crate-level docs. --- compiler/rustc_middle/src/lib.rs | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/compiler/rustc_middle/src/lib.rs b/compiler/rustc_middle/src/lib.rs index e52a5863fd03..ea7b8baf3f2c 100644 --- a/compiler/rustc_middle/src/lib.rs +++ b/compiler/rustc_middle/src/lib.rs @@ -4,15 +4,16 @@ //! has their own README with further details). //! //! - **HIR.** The "high-level (H) intermediate representation (IR)" is -//! defined in the `hir` module. +//! defined in the [`hir`] module. //! - **MIR.** The "mid-level (M) intermediate representation (IR)" is -//! defined in the `mir` module. This module contains only the +//! defined in the [`mir`] module. This module contains only the //! *definition* of the MIR; the passes that transform and operate //! on MIR are found in `rustc_const_eval` crate. //! - **Types.** The internal representation of types used in rustc is -//! defined in the `ty` module. This includes the **type context** -//! (or `tcx`), which is the central context during most of -//! compilation, containing the interners and other things. +//! defined in the [`ty`] module. This includes the +//! [**type context**][ty::TyCtxt] (or `tcx`), which is the central +//! context during most of compilation, containing the interners and +//! other things. //! //! For more information about how rustc works, see the [rustc dev guide]. //! From 3fe3157858ca1cb038ec5f9eb627ade385a5461a Mon Sep 17 00:00:00 2001 From: Hans Wennborg Date: Fri, 24 May 2024 17:35:58 +0200 Subject: [PATCH 0528/1716] Stop using the avx512er and avx512pf x86 target features They are no longer supported by LLVM 19. Fixes #125492 --- compiler/rustc_target/src/target_features.rs | 2 -- library/std/tests/run-time-detect.rs | 2 -- tests/ui/check-cfg/mix.stderr | 2 +- tests/ui/check-cfg/well-known-values.stderr | 2 +- 4 files changed, 2 insertions(+), 6 deletions(-) diff --git a/compiler/rustc_target/src/target_features.rs b/compiler/rustc_target/src/target_features.rs index 1b507bb2a155..d9812540e497 100644 --- a/compiler/rustc_target/src/target_features.rs +++ b/compiler/rustc_target/src/target_features.rs @@ -199,11 +199,9 @@ const X86_ALLOWED_FEATURES: &[(&str, Stability)] = &[ ("avx512bw", Unstable(sym::avx512_target_feature)), ("avx512cd", Unstable(sym::avx512_target_feature)), ("avx512dq", Unstable(sym::avx512_target_feature)), - ("avx512er", Unstable(sym::avx512_target_feature)), ("avx512f", Unstable(sym::avx512_target_feature)), ("avx512fp16", Unstable(sym::avx512_target_feature)), ("avx512ifma", Unstable(sym::avx512_target_feature)), - ("avx512pf", Unstable(sym::avx512_target_feature)), ("avx512vbmi", Unstable(sym::avx512_target_feature)), ("avx512vbmi2", Unstable(sym::avx512_target_feature)), ("avx512vl", Unstable(sym::avx512_target_feature)), diff --git a/library/std/tests/run-time-detect.rs b/library/std/tests/run-time-detect.rs index c9b9c54e3d49..694867056566 100644 --- a/library/std/tests/run-time-detect.rs +++ b/library/std/tests/run-time-detect.rs @@ -121,10 +121,8 @@ fn x86_all() { println!("avx512bw: {:?}", is_x86_feature_detected!("avx512bw")); println!("avx512cd: {:?}", is_x86_feature_detected!("avx512cd")); println!("avx512dq: {:?}", is_x86_feature_detected!("avx512dq")); - println!("avx512er: {:?}", is_x86_feature_detected!("avx512er")); println!("avx512f: {:?}", is_x86_feature_detected!("avx512f")); println!("avx512ifma: {:?}", is_x86_feature_detected!("avx512ifma")); - println!("avx512pf: {:?}", is_x86_feature_detected!("avx512pf")); println!("avx512vbmi2: {:?}", is_x86_feature_detected!("avx512vbmi2")); println!("avx512vbmi: {:?}", is_x86_feature_detected!("avx512vbmi")); println!("avx512vl: {:?}", is_x86_feature_detected!("avx512vl")); diff --git a/tests/ui/check-cfg/mix.stderr b/tests/ui/check-cfg/mix.stderr index 8c1bf5a11607..b3d0046fc178 100644 --- a/tests/ui/check-cfg/mix.stderr +++ b/tests/ui/check-cfg/mix.stderr @@ -251,7 +251,7 @@ warning: unexpected `cfg` condition value: `zebra` LL | cfg!(target_feature = "zebra"); | ^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `target_feature` are: `10e60`, `2e3`, `3e3r1`, `3e3r2`, `3e3r3`, `3e7`, `7e10`, `a`, `aclass`, `adx`, `aes`, `altivec`, `alu32`, `atomics`, `avx`, `avx2`, `avx512bf16`, `avx512bitalg`, `avx512bw`, `avx512cd`, `avx512dq`, `avx512er`, `avx512f`, `avx512fp16`, `avx512ifma`, `avx512pf`, `avx512vbmi`, `avx512vbmi2`, `avx512vl`, `avx512vnni`, `avx512vp2intersect`, `avx512vpopcntdq`, `bf16`, `bmi1`, and `bmi2` and 188 more + = note: expected values for `target_feature` are: `10e60`, `2e3`, `3e3r1`, `3e3r2`, `3e3r3`, `3e7`, `7e10`, `a`, `aclass`, `adx`, `aes`, `altivec`, `alu32`, `atomics`, `avx`, `avx2`, `avx512bf16`, `avx512bitalg`, `avx512bw`, `avx512cd`, `avx512dq`, `avx512f`, `avx512fp16`, `avx512ifma`, `avx512vbmi`, `avx512vbmi2`, `avx512vl`, `avx512vnni`, `avx512vp2intersect`, `avx512vpopcntdq`, `bf16`, `bmi1`, `bmi2`, `bti`, and `bulk-memory` and 186 more = note: see for more information about checking conditional configuration warning: 27 warnings emitted diff --git a/tests/ui/check-cfg/well-known-values.stderr b/tests/ui/check-cfg/well-known-values.stderr index c13446bb9f89..0c50ec1abba9 100644 --- a/tests/ui/check-cfg/well-known-values.stderr +++ b/tests/ui/check-cfg/well-known-values.stderr @@ -165,7 +165,7 @@ warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` LL | target_feature = "_UNEXPECTED_VALUE", | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = note: expected values for `target_feature` are: `10e60`, `2e3`, `3e3r1`, `3e3r2`, `3e3r3`, `3e7`, `7e10`, `a`, `aclass`, `adx`, `aes`, `altivec`, `alu32`, `atomics`, `avx`, `avx2`, `avx512bf16`, `avx512bitalg`, `avx512bw`, `avx512cd`, `avx512dq`, `avx512er`, `avx512f`, `avx512fp16`, `avx512ifma`, `avx512pf`, `avx512vbmi`, `avx512vbmi2`, `avx512vl`, `avx512vnni`, `avx512vp2intersect`, `avx512vpopcntdq`, `bf16`, `bmi1`, `bmi2`, `bti`, `bulk-memory`, `c`, `cache`, `cmpxchg16b`, `crc`, `crt-static`, `d`, `d32`, `dit`, `doloop`, `dotprod`, `dpb`, `dpb2`, `dsp`, `dsp1e2`, `dspe60`, `e`, `e1`, `e2`, `edsp`, `elrw`, `ermsb`, `exception-handling`, `extended-const`, `f`, `f16c`, `f32mm`, `f64mm`, `fcma`, `fdivdu`, `fhm`, `flagm`, `float1e2`, `float1e3`, `float3e4`, `float7e60`, `floate1`, `fma`, `fp-armv8`, `fp16`, `fp64`, `fpuv2_df`, `fpuv2_sf`, `fpuv3_df`, `fpuv3_hf`, `fpuv3_hi`, `fpuv3_sf`, `frecipe`, `frintts`, `fxsr`, `gfni`, `hard-float`, `hard-float-abi`, `hard-tp`, `high-registers`, `hvx`, `hvx-length128b`, `hwdiv`, `i8mm`, `jsconv`, `lahfsahf`, `lasx`, `lbt`, `lor`, `lse`, `lsx`, `lvz`, `lzcnt`, `m`, `mclass`, `movbe`, `mp`, `mp1e2`, `msa`, `mte`, `multivalue`, `mutable-globals`, `neon`, `nontrapping-fptoint`, `nvic`, `paca`, `pacg`, `pan`, `pclmulqdq`, `pmuv3`, `popcnt`, `power10-vector`, `power8-altivec`, `power8-vector`, `power9-altivec`, `power9-vector`, `prfchw`, `rand`, `ras`, `rclass`, `rcpc`, `rcpc2`, `rdm`, `rdrand`, `rdseed`, `reference-types`, `relax`, `relaxed-simd`, `rtm`, `sb`, `sha`, `sha2`, `sha3`, `sign-ext`, `simd128`, `sm4`, `spe`, `ssbs`, `sse`, `sse2`, `sse3`, `sse4.1`, `sse4.2`, `sse4a`, `ssse3`, `sve`, `sve2`, `sve2-aes`, `sve2-bitperm`, `sve2-sha3`, `sve2-sm4`, `tbm`, `thumb-mode`, `thumb2`, `tme`, `trust`, `trustzone`, `ual`, `unaligned-scalar-mem`, `v`, `v5te`, `v6`, `v6k`, `v6t2`, `v7`, `v8`, `v8.1a`, `v8.2a`, `v8.3a`, `v8.4a`, `v8.5a`, `v8.6a`, `v8.7a`, `vaes`, `vdsp2e60f`, `vdspv1`, `vdspv2`, `vfp2`, `vfp3`, `vfp4`, `vh`, `virt`, `virtualization`, `vpclmulqdq`, `vsx`, `xsave`, `xsavec`, `xsaveopt`, `xsaves`, `zba`, `zbb`, `zbc`, `zbkb`, `zbkc`, `zbkx`, `zbs`, `zdinx`, `zfh`, `zfhmin`, `zfinx`, `zhinx`, `zhinxmin`, `zk`, `zkn`, `zknd`, `zkne`, `zknh`, `zkr`, `zks`, `zksed`, `zksh`, and `zkt` + = note: expected values for `target_feature` are: `10e60`, `2e3`, `3e3r1`, `3e3r2`, `3e3r3`, `3e7`, `7e10`, `a`, `aclass`, `adx`, `aes`, `altivec`, `alu32`, `atomics`, `avx`, `avx2`, `avx512bf16`, `avx512bitalg`, `avx512bw`, `avx512cd`, `avx512dq`, `avx512f`, `avx512fp16`, `avx512ifma`, `avx512vbmi`, `avx512vbmi2`, `avx512vl`, `avx512vnni`, `avx512vp2intersect`, `avx512vpopcntdq`, `bf16`, `bmi1`, `bmi2`, `bti`, `bulk-memory`, `c`, `cache`, `cmpxchg16b`, `crc`, `crt-static`, `d`, `d32`, `dit`, `doloop`, `dotprod`, `dpb`, `dpb2`, `dsp`, `dsp1e2`, `dspe60`, `e`, `e1`, `e2`, `edsp`, `elrw`, `ermsb`, `exception-handling`, `extended-const`, `f`, `f16c`, `f32mm`, `f64mm`, `fcma`, `fdivdu`, `fhm`, `flagm`, `float1e2`, `float1e3`, `float3e4`, `float7e60`, `floate1`, `fma`, `fp-armv8`, `fp16`, `fp64`, `fpuv2_df`, `fpuv2_sf`, `fpuv3_df`, `fpuv3_hf`, `fpuv3_hi`, `fpuv3_sf`, `frecipe`, `frintts`, `fxsr`, `gfni`, `hard-float`, `hard-float-abi`, `hard-tp`, `high-registers`, `hvx`, `hvx-length128b`, `hwdiv`, `i8mm`, `jsconv`, `lahfsahf`, `lasx`, `lbt`, `lor`, `lse`, `lsx`, `lvz`, `lzcnt`, `m`, `mclass`, `movbe`, `mp`, `mp1e2`, `msa`, `mte`, `multivalue`, `mutable-globals`, `neon`, `nontrapping-fptoint`, `nvic`, `paca`, `pacg`, `pan`, `pclmulqdq`, `pmuv3`, `popcnt`, `power10-vector`, `power8-altivec`, `power8-vector`, `power9-altivec`, `power9-vector`, `prfchw`, `rand`, `ras`, `rclass`, `rcpc`, `rcpc2`, `rdm`, `rdrand`, `rdseed`, `reference-types`, `relax`, `relaxed-simd`, `rtm`, `sb`, `sha`, `sha2`, `sha3`, `sign-ext`, `simd128`, `sm4`, `spe`, `ssbs`, `sse`, `sse2`, `sse3`, `sse4.1`, `sse4.2`, `sse4a`, `ssse3`, `sve`, `sve2`, `sve2-aes`, `sve2-bitperm`, `sve2-sha3`, `sve2-sm4`, `tbm`, `thumb-mode`, `thumb2`, `tme`, `trust`, `trustzone`, `ual`, `unaligned-scalar-mem`, `v`, `v5te`, `v6`, `v6k`, `v6t2`, `v7`, `v8`, `v8.1a`, `v8.2a`, `v8.3a`, `v8.4a`, `v8.5a`, `v8.6a`, `v8.7a`, `vaes`, `vdsp2e60f`, `vdspv1`, `vdspv2`, `vfp2`, `vfp3`, `vfp4`, `vh`, `virt`, `virtualization`, `vpclmulqdq`, `vsx`, `xsave`, `xsavec`, `xsaveopt`, `xsaves`, `zba`, `zbb`, `zbc`, `zbkb`, `zbkc`, `zbkx`, `zbs`, `zdinx`, `zfh`, `zfhmin`, `zfinx`, `zhinx`, `zhinxmin`, `zk`, `zkn`, `zknd`, `zkne`, `zknh`, `zkr`, `zks`, `zksed`, `zksh`, and `zkt` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `_UNEXPECTED_VALUE` From ebd9f355e2b34e36bd5b326c24a5c0eb0b40a371 Mon Sep 17 00:00:00 2001 From: lcnr Date: Fri, 24 May 2024 18:23:24 +0000 Subject: [PATCH 0529/1716] remove proof tree formatter, make em shallow --- compiler/rustc_interface/src/tests.rs | 5 +- compiler/rustc_middle/src/arena.rs | 5 +- .../rustc_middle/src/traits/solve/cache.rs | 6 +- compiler/rustc_middle/src/ty/context.rs | 3 +- compiler/rustc_session/src/config.rs | 10 - compiler/rustc_session/src/options.rs | 26 +- .../src/solve/eval_ctxt/mod.rs | 27 +-- .../src/solve/fulfill.rs | 6 +- .../src/solve/inspect/analyse.rs | 13 +- .../src/solve/inspect/build.rs | 226 ++++++------------ .../src/solve/search_graph.rs | 20 +- .../src/traits/error_reporting/mod.rs | 17 -- .../error_reporting/type_err_ctxt_ext.rs | 18 +- compiler/rustc_type_ir/src/interner.rs | 8 +- compiler/rustc_type_ir/src/solve/inspect.rs | 77 ++---- .../rustc_type_ir/src/solve/inspect/format.rs | 173 -------------- 16 files changed, 135 insertions(+), 505 deletions(-) delete mode 100644 compiler/rustc_type_ir/src/solve/inspect/format.rs diff --git a/compiler/rustc_interface/src/tests.rs b/compiler/rustc_interface/src/tests.rs index 36f9dda7250c..c6cf7cf4f3f7 100644 --- a/compiler/rustc_interface/src/tests.rs +++ b/compiler/rustc_interface/src/tests.rs @@ -799,10 +799,7 @@ fn test_unstable_options_tracking_hash() { tracked!(mir_opt_level, Some(4)); tracked!(move_size_limit, Some(4096)); tracked!(mutable_noalias, false); - tracked!( - next_solver, - Some(NextSolverConfig { coherence: true, globally: false, dump_tree: Default::default() }) - ); + tracked!(next_solver, Some(NextSolverConfig { coherence: true, globally: false })); tracked!(no_generate_arange_section, true); tracked!(no_jump_tables, true); tracked!(no_link, true); diff --git a/compiler/rustc_middle/src/arena.rs b/compiler/rustc_middle/src/arena.rs index 7392eb6c2bb4..b0e72eaf5a4c 100644 --- a/compiler/rustc_middle/src/arena.rs +++ b/compiler/rustc_middle/src/arena.rs @@ -61,7 +61,10 @@ macro_rules! arena_types { [] dtorck_constraint: rustc_middle::traits::query::DropckConstraint<'tcx>, [] candidate_step: rustc_middle::traits::query::CandidateStep<'tcx>, [] autoderef_bad_ty: rustc_middle::traits::query::MethodAutoderefBadTy<'tcx>, - [] canonical_goal_evaluation: rustc_next_trait_solver::solve::inspect::GoalEvaluationStep>, + [] canonical_goal_evaluation: + rustc_next_trait_solver::solve::inspect::CanonicalGoalEvaluationStep< + rustc_middle::ty::TyCtxt<'tcx> + >, [] query_region_constraints: rustc_middle::infer::canonical::QueryRegionConstraints<'tcx>, [] type_op_subtype: rustc_middle::infer::canonical::Canonical<'tcx, diff --git a/compiler/rustc_middle/src/traits/solve/cache.rs b/compiler/rustc_middle/src/traits/solve/cache.rs index 2ff4ade21d08..dc31114b2c45 100644 --- a/compiler/rustc_middle/src/traits/solve/cache.rs +++ b/compiler/rustc_middle/src/traits/solve/cache.rs @@ -17,7 +17,7 @@ pub struct EvaluationCache<'tcx> { #[derive(Debug, PartialEq, Eq)] pub struct CacheData<'tcx> { pub result: QueryResult<'tcx>, - pub proof_tree: Option<&'tcx [inspect::GoalEvaluationStep>]>, + pub proof_tree: Option<&'tcx inspect::CanonicalGoalEvaluationStep>>, pub additional_depth: usize, pub encountered_overflow: bool, } @@ -28,7 +28,7 @@ impl<'tcx> EvaluationCache<'tcx> { &self, tcx: TyCtxt<'tcx>, key: CanonicalInput<'tcx>, - proof_tree: Option<&'tcx [inspect::GoalEvaluationStep>]>, + proof_tree: Option<&'tcx inspect::CanonicalGoalEvaluationStep>>, additional_depth: usize, encountered_overflow: bool, cycle_participants: FxHashSet>, @@ -107,7 +107,7 @@ struct Success<'tcx> { #[derive(Clone, Copy)] pub struct QueryData<'tcx> { pub result: QueryResult<'tcx>, - pub proof_tree: Option<&'tcx [inspect::GoalEvaluationStep>]>, + pub proof_tree: Option<&'tcx inspect::CanonicalGoalEvaluationStep>>, } /// The cache entry for a goal `CanonicalInput`. diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index 6e53b5bb5206..d138cd9ceb9d 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -103,7 +103,8 @@ impl<'tcx> Interner for TyCtxt<'tcx> { type PredefinedOpaques = solve::PredefinedOpaques<'tcx>; type DefiningOpaqueTypes = &'tcx ty::List; type ExternalConstraints = ExternalConstraints<'tcx>; - type GoalEvaluationSteps = &'tcx [solve::inspect::GoalEvaluationStep>]; + type CanonicalGoalEvaluationStepRef = + &'tcx solve::inspect::CanonicalGoalEvaluationStep>; type Ty = Ty<'tcx>; type Tys = &'tcx List>; diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs index 5ac4d194e872..c90da966e708 100644 --- a/compiler/rustc_session/src/config.rs +++ b/compiler/rustc_session/src/config.rs @@ -796,16 +796,6 @@ pub struct NextSolverConfig { /// Whether the new trait solver should be enabled everywhere. /// This is only `true` if `coherence` is also enabled. pub globally: bool, - /// Whether to dump proof trees after computing a proof tree. - pub dump_tree: DumpSolverProofTree, -} - -#[derive(Default, Debug, Copy, Clone, Hash, PartialEq, Eq)] -pub enum DumpSolverProofTree { - Always, - OnError, - #[default] - Never, } #[derive(Clone)] diff --git a/compiler/rustc_session/src/options.rs b/compiler/rustc_session/src/options.rs index 65660286dd73..6309fcdd2db3 100644 --- a/compiler/rustc_session/src/options.rs +++ b/compiler/rustc_session/src/options.rs @@ -399,7 +399,8 @@ mod desc { pub const parse_instrument_xray: &str = "either a boolean (`yes`, `no`, `on`, `off`, etc), or a comma separated list of settings: `always` or `never` (mutually exclusive), `ignore-loops`, `instruction-threshold=N`, `skip-entry`, `skip-exit`"; pub const parse_unpretty: &str = "`string` or `string=string`"; pub const parse_treat_err_as_bug: &str = "either no value or a non-negative number"; - pub const parse_next_solver_config: &str = "a comma separated list of solver configurations: `globally` (default), `coherence`, `dump-tree`, `dump-tree-on-error"; + pub const parse_next_solver_config: &str = + "a comma separated list of solver configurations: `globally` (default), and `coherence`"; pub const parse_lto: &str = "either a boolean (`yes`, `no`, `on`, `off`, etc), `thin`, `fat`, or omitted"; pub const parse_linker_plugin_lto: &str = @@ -1058,7 +1059,6 @@ mod parse { if let Some(config) = v { let mut coherence = false; let mut globally = true; - let mut dump_tree = None; for c in config.split(',') { match c { "globally" => globally = true, @@ -1066,31 +1066,13 @@ mod parse { globally = false; coherence = true; } - "dump-tree" => { - if dump_tree.replace(DumpSolverProofTree::Always).is_some() { - return false; - } - } - "dump-tree-on-error" => { - if dump_tree.replace(DumpSolverProofTree::OnError).is_some() { - return false; - } - } _ => return false, } } - *slot = Some(NextSolverConfig { - coherence: coherence || globally, - globally, - dump_tree: dump_tree.unwrap_or_default(), - }); + *slot = Some(NextSolverConfig { coherence: coherence || globally, globally }); } else { - *slot = Some(NextSolverConfig { - coherence: true, - globally: true, - dump_tree: Default::default(), - }); + *slot = Some(NextSolverConfig { coherence: true, globally: true }); } true diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs index 7e1d7d73e0b3..ce408ddea378 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs @@ -1,6 +1,3 @@ -use std::io::Write; -use std::ops::ControlFlow; - use rustc_data_structures::stack::ensure_sufficient_stack; use rustc_hir::def_id::DefId; use rustc_infer::infer::at::ToTrace; @@ -20,10 +17,10 @@ use rustc_middle::ty::{ self, InferCtxtLike, OpaqueTypeKey, Ty, TyCtxt, TypeFoldable, TypeSuperVisitable, TypeVisitable, TypeVisitableExt, TypeVisitor, }; -use rustc_session::config::DumpSolverProofTree; use rustc_span::DUMMY_SP; use rustc_type_ir::{self as ir, CanonicalVarValues, Interner}; use rustc_type_ir_macros::{Lift_Generic, TypeFoldable_Generic, TypeVisitable_Generic}; +use std::ops::ControlFlow; use crate::traits::coherence; use crate::traits::vtable::{count_own_vtable_entries, prepare_vtable_segments, VtblSegment}; @@ -135,8 +132,7 @@ impl NestedGoals { #[derive(PartialEq, Eq, Debug, Hash, HashStable, Clone, Copy)] pub enum GenerateProofTree { Yes, - IfEnabled, - Never, + No, } #[extension(pub trait InferCtxtEvalExt<'tcx>)] @@ -182,7 +178,7 @@ impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { infcx, search_graph: &mut search_graph, nested_goals: NestedGoals::new(), - inspect: ProofTreeBuilder::new_maybe_root(infcx.tcx, generate_proof_tree), + inspect: ProofTreeBuilder::new_maybe_root(generate_proof_tree), // Only relevant when canonicalizing the response, // which we don't do within this evaluation context. @@ -197,23 +193,14 @@ impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { }; let result = f(&mut ecx); - let tree = ecx.inspect.finalize(); - if let (Some(tree), DumpSolverProofTree::Always) = ( - &tree, - infcx.tcx.sess.opts.unstable_opts.next_solver.map(|c| c.dump_tree).unwrap_or_default(), - ) { - let mut lock = std::io::stdout().lock(); - let _ = lock.write_fmt(format_args!("{tree:?}\n")); - let _ = lock.flush(); - } - + let proof_tree = ecx.inspect.finalize(); assert!( ecx.nested_goals.is_empty(), "root `EvalCtxt` should not have any goals added to it" ); assert!(search_graph.is_empty()); - (result, tree) + (result, proof_tree) } /// Creates a nested evaluation context that shares the same search graph as the @@ -483,7 +470,6 @@ impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { // the certainty of all the goals. #[instrument(level = "trace", skip(self))] pub(super) fn try_evaluate_added_goals(&mut self) -> Result { - self.inspect.start_evaluate_added_goals(); let mut response = Ok(Certainty::overflow(false)); for _ in 0..FIXPOINT_STEP_LIMIT { // FIXME: This match is a bit ugly, it might be nice to change the inspect @@ -501,8 +487,6 @@ impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { } } - self.inspect.evaluate_added_goals_result(response); - if response.is_err() { self.tainted = Err(NoSolution); } @@ -515,7 +499,6 @@ impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { /// Goals for the next step get directly added to the nested goals of the `EvalCtxt`. fn evaluate_added_goals_step(&mut self) -> Result, NoSolution> { let tcx = self.tcx(); - self.inspect.start_evaluate_added_goals_step(); let mut goals = core::mem::take(&mut self.nested_goals); // If this loop did not result in any progress, what's our final certainty. diff --git a/compiler/rustc_trait_selection/src/solve/fulfill.rs b/compiler/rustc_trait_selection/src/solve/fulfill.rs index 7291eb00e727..d28cf834032d 100644 --- a/compiler/rustc_trait_selection/src/solve/fulfill.rs +++ b/compiler/rustc_trait_selection/src/solve/fulfill.rs @@ -79,7 +79,7 @@ impl<'tcx> ObligationStorage<'tcx> { // change. self.overflowed.extend(self.pending.extract_if(|o| { let goal = o.clone().into(); - let result = infcx.evaluate_root_goal(goal, GenerateProofTree::Never).0; + let result = infcx.evaluate_root_goal(goal, GenerateProofTree::No).0; match result { Ok((has_changed, _)) => has_changed, _ => false, @@ -159,7 +159,7 @@ impl<'tcx> TraitEngine<'tcx> for FulfillmentCtxt<'tcx> { let mut has_changed = false; for obligation in self.obligations.unstalled_for_select() { let goal = obligation.clone().into(); - let result = infcx.evaluate_root_goal(goal, GenerateProofTree::IfEnabled).0; + let result = infcx.evaluate_root_goal(goal, GenerateProofTree::No).0; self.inspect_evaluated_obligation(infcx, &obligation, &result); let (changed, certainty) = match result { Ok(result) => result, @@ -246,7 +246,7 @@ fn fulfillment_error_for_stalled<'tcx>( root_obligation: PredicateObligation<'tcx>, ) -> FulfillmentError<'tcx> { let (code, refine_obligation) = infcx.probe(|_| { - match infcx.evaluate_root_goal(root_obligation.clone().into(), GenerateProofTree::Never).0 { + match infcx.evaluate_root_goal(root_obligation.clone().into(), GenerateProofTree::No).0 { Ok((_, Certainty::Maybe(MaybeCause::Ambiguity))) => { (FulfillmentErrorCode::Ambiguity { overflow: None }, true) } diff --git a/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs b/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs index 737d03f73f00..447357f8b3f6 100644 --- a/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs +++ b/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs @@ -317,7 +317,6 @@ impl<'a, 'tcx> InspectGoal<'a, 'tcx> { inspect::ProbeStep::RecordImplArgs { impl_args: i } => { assert_eq!(impl_args.replace(i), None); } - inspect::ProbeStep::EvaluateGoals(_) => (), } } @@ -359,13 +358,7 @@ impl<'a, 'tcx> InspectGoal<'a, 'tcx> { warn!("unexpected root evaluation: {:?}", self.evaluation_kind); return vec![]; } - inspect::CanonicalGoalEvaluationKind::Evaluation { revisions } => { - if let Some(last) = revisions.last() { - last - } else { - return vec![]; - } - } + inspect::CanonicalGoalEvaluationKind::Evaluation { final_revision } => final_revision, }; let mut nested_goals = vec![]; @@ -392,9 +385,7 @@ impl<'a, 'tcx> InspectGoal<'a, 'tcx> { normalizes_to_term_hack: Option>, source: GoalSource, ) -> Self { - let inspect::GoalEvaluation { uncanonicalized_goal, kind, evaluation } = root; - let inspect::GoalEvaluationKind::Root { orig_values } = kind else { unreachable!() }; - + let inspect::GoalEvaluation { uncanonicalized_goal, orig_values, evaluation } = root; let result = evaluation.result.and_then(|ok| { if let Some(term_hack) = normalizes_to_term_hack { infcx diff --git a/compiler/rustc_trait_selection/src/solve/inspect/build.rs b/compiler/rustc_trait_selection/src/solve/inspect/build.rs index 803300c5196c..3c6333626483 100644 --- a/compiler/rustc_trait_selection/src/solve/inspect/build.rs +++ b/compiler/rustc_trait_selection/src/solve/inspect/build.rs @@ -5,20 +5,17 @@ //! see the comment on [ProofTreeBuilder]. use std::mem; +use crate::solve::eval_ctxt::canonical; +use crate::solve::{self, inspect, GenerateProofTree}; use rustc_infer::infer::InferCtxt; use rustc_middle::bug; use rustc_middle::infer::canonical::CanonicalVarValues; -use rustc_middle::traits::query::NoSolution; use rustc_middle::ty::{self, TyCtxt}; use rustc_next_trait_solver::solve::{ CanonicalInput, Certainty, Goal, GoalSource, QueryInput, QueryResult, }; -use rustc_session::config::DumpSolverProofTree; use rustc_type_ir::Interner; -use crate::solve::eval_ctxt::canonical; -use crate::solve::{self, inspect, GenerateProofTree}; - /// The core data structure when building proof trees. /// /// In case the current evaluation does not generate a proof @@ -53,7 +50,7 @@ enum DebugSolver { Root, GoalEvaluation(WipGoalEvaluation), CanonicalGoalEvaluation(WipCanonicalGoalEvaluation), - GoalEvaluationStep(WipGoalEvaluationStep), + CanonicalGoalEvaluationStep(WipCanonicalGoalEvaluationStep), } impl From> for DebugSolver { @@ -68,9 +65,9 @@ impl From> for DebugSolver { } } -impl From> for DebugSolver { - fn from(g: WipGoalEvaluationStep) -> DebugSolver { - DebugSolver::GoalEvaluationStep(g) +impl From> for DebugSolver { + fn from(g: WipCanonicalGoalEvaluationStep) -> DebugSolver { + DebugSolver::CanonicalGoalEvaluationStep(g) } } @@ -78,7 +75,7 @@ impl From> for DebugSolver { #[derivative(PartialEq(bound = ""), Eq(bound = ""), Debug(bound = ""))] struct WipGoalEvaluation { pub uncanonicalized_goal: Goal, - pub kind: WipGoalEvaluationKind, + pub orig_values: Vec, pub evaluation: Option>, } @@ -86,31 +83,19 @@ impl WipGoalEvaluation { fn finalize(self) -> inspect::GoalEvaluation { inspect::GoalEvaluation { uncanonicalized_goal: self.uncanonicalized_goal, - kind: match self.kind { - WipGoalEvaluationKind::Root { orig_values } => { - inspect::GoalEvaluationKind::Root { orig_values } - } - WipGoalEvaluationKind::Nested => inspect::GoalEvaluationKind::Nested, - }, + orig_values: self.orig_values, evaluation: self.evaluation.unwrap().finalize(), } } } -#[derive(derivative::Derivative)] -#[derivative(PartialEq(bound = ""), Eq(bound = ""), Debug(bound = ""))] -pub(in crate::solve) enum WipGoalEvaluationKind { - Root { orig_values: Vec }, - Nested, -} - #[derive(derivative::Derivative)] #[derivative(PartialEq(bound = ""), Eq(bound = ""))] pub(in crate::solve) enum WipCanonicalGoalEvaluationKind { Overflow, CycleInStack, ProvisionalCacheHit, - Interned { revisions: I::GoalEvaluationSteps }, + Interned { final_revision: I::CanonicalGoalEvaluationStepRef }, } impl std::fmt::Debug for WipCanonicalGoalEvaluationKind { @@ -119,7 +104,9 @@ impl std::fmt::Debug for WipCanonicalGoalEvaluationKind { Self::Overflow => write!(f, "Overflow"), Self::CycleInStack => write!(f, "CycleInStack"), Self::ProvisionalCacheHit => write!(f, "ProvisionalCacheHit"), - Self::Interned { revisions: _ } => f.debug_struct("Interned").finish_non_exhaustive(), + Self::Interned { final_revision: _ } => { + f.debug_struct("Interned").finish_non_exhaustive() + } } } } @@ -131,13 +118,15 @@ struct WipCanonicalGoalEvaluation { kind: Option>, /// Only used for uncached goals. After we finished evaluating /// the goal, this is interned and moved into `kind`. - revisions: Vec>, + final_revision: Option>, result: Option>, } impl WipCanonicalGoalEvaluation { fn finalize(self) -> inspect::CanonicalGoalEvaluation { - assert!(self.revisions.is_empty()); + // We've already interned the final revision in + // `fn finalize_canonical_goal_evaluation`. + assert!(self.final_revision.is_none()); let kind = match self.kind.unwrap() { WipCanonicalGoalEvaluationKind::Overflow => { inspect::CanonicalGoalEvaluationKind::Overflow @@ -148,8 +137,8 @@ impl WipCanonicalGoalEvaluation { WipCanonicalGoalEvaluationKind::ProvisionalCacheHit => { inspect::CanonicalGoalEvaluationKind::ProvisionalCacheHit } - WipCanonicalGoalEvaluationKind::Interned { revisions } => { - inspect::CanonicalGoalEvaluationKind::Evaluation { revisions } + WipCanonicalGoalEvaluationKind::Interned { final_revision } => { + inspect::CanonicalGoalEvaluationKind::Evaluation { final_revision } } }; @@ -159,29 +148,7 @@ impl WipCanonicalGoalEvaluation { #[derive(derivative::Derivative)] #[derivative(PartialEq(bound = ""), Eq(bound = ""), Debug(bound = ""))] -struct WipAddedGoalsEvaluation { - evaluations: Vec>>, - result: Option>, -} - -impl WipAddedGoalsEvaluation { - fn finalize(self) -> inspect::AddedGoalsEvaluation { - inspect::AddedGoalsEvaluation { - evaluations: self - .evaluations - .into_iter() - .map(|evaluations| { - evaluations.into_iter().map(WipGoalEvaluation::finalize).collect() - }) - .collect(), - result: self.result.unwrap(), - } - } -} - -#[derive(derivative::Derivative)] -#[derivative(PartialEq(bound = ""), Eq(bound = ""), Debug(bound = ""))] -struct WipGoalEvaluationStep { +struct WipCanonicalGoalEvaluationStep { /// Unlike `EvalCtxt::var_values`, we append a new /// generic arg here whenever we create a new inference /// variable. @@ -194,7 +161,7 @@ struct WipGoalEvaluationStep { evaluation: WipProbe, } -impl WipGoalEvaluationStep { +impl WipCanonicalGoalEvaluationStep { fn current_evaluation_scope(&mut self) -> &mut WipProbe { let mut current = &mut self.evaluation; for _ in 0..self.probe_depth { @@ -206,24 +173,16 @@ impl WipGoalEvaluationStep { current } - fn added_goals_evaluation(&mut self) -> &mut WipAddedGoalsEvaluation { - let mut current = &mut self.evaluation; - loop { - match current.steps.last_mut() { - Some(WipProbeStep::NestedProbe(p)) => current = p, - Some(WipProbeStep::EvaluateGoals(evaluation)) => return evaluation, - _ => bug!(), - } - } - } - - fn finalize(self) -> inspect::GoalEvaluationStep { + fn finalize(self) -> inspect::CanonicalGoalEvaluationStep { let evaluation = self.evaluation.finalize(); match evaluation.kind { inspect::ProbeKind::Root { .. } => (), _ => unreachable!("unexpected root evaluation: {evaluation:?}"), } - inspect::GoalEvaluationStep { instantiated_goal: self.instantiated_goal, evaluation } + inspect::CanonicalGoalEvaluationStep { + instantiated_goal: self.instantiated_goal, + evaluation, + } } } @@ -250,7 +209,6 @@ impl WipProbe { #[derivative(PartialEq(bound = ""), Eq(bound = ""), Debug(bound = ""))] enum WipProbeStep { AddGoal(GoalSource, inspect::CanonicalState>), - EvaluateGoals(WipAddedGoalsEvaluation), NestedProbe(WipProbe), MakeCanonicalResponse { shallow_certainty: Certainty }, RecordImplArgs { impl_args: inspect::CanonicalState }, @@ -260,7 +218,6 @@ impl WipProbeStep { fn finalize(self) -> inspect::ProbeStep { match self { WipProbeStep::AddGoal(source, goal) => inspect::ProbeStep::AddGoal(source, goal), - WipProbeStep::EvaluateGoals(eval) => inspect::ProbeStep::EvaluateGoals(eval.finalize()), WipProbeStep::NestedProbe(probe) => inspect::ProbeStep::NestedProbe(probe.finalize()), WipProbeStep::RecordImplArgs { impl_args } => { inspect::ProbeStep::RecordImplArgs { impl_args } @@ -278,6 +235,15 @@ impl<'tcx> ProofTreeBuilder> { ProofTreeBuilder { state: Some(Box::new(state.into())) } } + fn opt_nested>>>( + &self, + state: impl FnOnce() -> Option, + ) -> Self { + ProofTreeBuilder { + state: self.state.as_ref().and_then(|_| Some(state()?.into())).map(Box::new), + } + } + fn nested>>>(&self, state: impl FnOnce() -> T) -> Self { ProofTreeBuilder { state: self.state.as_ref().map(|_| Box::new(state().into())) } } @@ -302,22 +268,10 @@ impl<'tcx> ProofTreeBuilder> { } pub fn new_maybe_root( - tcx: TyCtxt<'tcx>, generate_proof_tree: GenerateProofTree, ) -> ProofTreeBuilder> { match generate_proof_tree { - GenerateProofTree::Never => ProofTreeBuilder::new_noop(), - GenerateProofTree::IfEnabled => { - let opts = &tcx.sess.opts.unstable_opts; - match opts.next_solver.map(|c| c.dump_tree).unwrap_or_default() { - DumpSolverProofTree::Always => ProofTreeBuilder::new_root(), - // `OnError` is handled by reevaluating goals in error - // reporting with `GenerateProofTree::Yes`. - DumpSolverProofTree::OnError | DumpSolverProofTree::Never => { - ProofTreeBuilder::new_noop() - } - } - } + GenerateProofTree::No => ProofTreeBuilder::new_noop(), GenerateProofTree::Yes => ProofTreeBuilder::new_root(), } } @@ -340,15 +294,13 @@ impl<'tcx> ProofTreeBuilder> { orig_values: &[ty::GenericArg<'tcx>], kind: solve::GoalEvaluationKind, ) -> ProofTreeBuilder> { - self.nested(|| WipGoalEvaluation { - uncanonicalized_goal: goal, - kind: match kind { - solve::GoalEvaluationKind::Root => { - WipGoalEvaluationKind::Root { orig_values: orig_values.to_vec() } - } - solve::GoalEvaluationKind::Nested => WipGoalEvaluationKind::Nested, - }, - evaluation: None, + self.opt_nested(|| match kind { + solve::GoalEvaluationKind::Root => Some(WipGoalEvaluation { + uncanonicalized_goal: goal, + orig_values: orig_values.to_vec(), + evaluation: None, + }), + solve::GoalEvaluationKind::Nested => None, }) } @@ -359,24 +311,22 @@ impl<'tcx> ProofTreeBuilder> { self.nested(|| WipCanonicalGoalEvaluation { goal, kind: None, - revisions: vec![], + final_revision: None, result: None, }) } - pub fn finalize_evaluation( + pub fn finalize_canonical_goal_evaluation( &mut self, tcx: TyCtxt<'tcx>, - ) -> Option<&'tcx [inspect::GoalEvaluationStep>]> { + ) -> Option<&'tcx inspect::CanonicalGoalEvaluationStep>> { self.as_mut().map(|this| match this { DebugSolver::CanonicalGoalEvaluation(evaluation) => { - let revisions = mem::take(&mut evaluation.revisions) - .into_iter() - .map(WipGoalEvaluationStep::finalize); - let revisions = &*tcx.arena.alloc_from_iter(revisions); - let kind = WipCanonicalGoalEvaluationKind::Interned { revisions }; + let final_revision = mem::take(&mut evaluation.final_revision).unwrap(); + let final_revision = &*tcx.arena.alloc(final_revision.finalize()); + let kind = WipCanonicalGoalEvaluationKind::Interned { final_revision }; assert_eq!(evaluation.kind.replace(kind), None); - revisions + final_revision } _ => unreachable!(), }) @@ -400,7 +350,10 @@ impl<'tcx> ProofTreeBuilder> { } } - pub fn goal_evaluation_kind(&mut self, kind: WipCanonicalGoalEvaluationKind>) { + pub fn canonical_goal_evaluation_kind( + &mut self, + kind: WipCanonicalGoalEvaluationKind>, + ) { if let Some(this) = self.as_mut() { match this { DebugSolver::CanonicalGoalEvaluation(canonical_goal_evaluation) => { @@ -413,17 +366,11 @@ impl<'tcx> ProofTreeBuilder> { pub fn goal_evaluation(&mut self, goal_evaluation: ProofTreeBuilder>) { if let Some(this) = self.as_mut() { - match (this, *goal_evaluation.state.unwrap()) { - ( - DebugSolver::GoalEvaluationStep(state), - DebugSolver::GoalEvaluation(goal_evaluation), - ) => state - .added_goals_evaluation() - .evaluations - .last_mut() - .unwrap() - .push(goal_evaluation), - (this @ DebugSolver::Root, goal_evaluation) => *this = goal_evaluation, + match this { + DebugSolver::Root => *this = *goal_evaluation.state.unwrap(), + DebugSolver::CanonicalGoalEvaluationStep(_) => { + assert!(goal_evaluation.state.is_none()) + } _ => unreachable!(), } } @@ -434,7 +381,7 @@ impl<'tcx> ProofTreeBuilder> { var_values: CanonicalVarValues<'tcx>, instantiated_goal: QueryInput, ty::Predicate<'tcx>>, ) -> ProofTreeBuilder> { - self.nested(|| WipGoalEvaluationStep { + self.nested(|| WipCanonicalGoalEvaluationStep { var_values: var_values.var_values.to_vec(), instantiated_goal, evaluation: WipProbe { @@ -452,9 +399,9 @@ impl<'tcx> ProofTreeBuilder> { match (this, *goal_evaluation_step.state.unwrap()) { ( DebugSolver::CanonicalGoalEvaluation(canonical_goal_evaluations), - DebugSolver::GoalEvaluationStep(goal_evaluation_step), + DebugSolver::CanonicalGoalEvaluationStep(goal_evaluation_step), ) => { - canonical_goal_evaluations.revisions.push(goal_evaluation_step); + canonical_goal_evaluations.final_revision = Some(goal_evaluation_step); } _ => unreachable!(), } @@ -464,7 +411,7 @@ impl<'tcx> ProofTreeBuilder> { pub fn add_var_value>>(&mut self, arg: T) { match self.as_mut() { None => {} - Some(DebugSolver::GoalEvaluationStep(state)) => { + Some(DebugSolver::CanonicalGoalEvaluationStep(state)) => { state.var_values.push(arg.into()); } Some(s) => bug!("tried to add var values to {s:?}"), @@ -474,7 +421,7 @@ impl<'tcx> ProofTreeBuilder> { pub fn enter_probe(&mut self) { match self.as_mut() { None => {} - Some(DebugSolver::GoalEvaluationStep(state)) => { + Some(DebugSolver::CanonicalGoalEvaluationStep(state)) => { let initial_num_var_values = state.var_values.len(); state.current_evaluation_scope().steps.push(WipProbeStep::NestedProbe(WipProbe { initial_num_var_values, @@ -491,7 +438,7 @@ impl<'tcx> ProofTreeBuilder> { pub fn probe_kind(&mut self, probe_kind: inspect::ProbeKind>) { match self.as_mut() { None => {} - Some(DebugSolver::GoalEvaluationStep(state)) => { + Some(DebugSolver::CanonicalGoalEvaluationStep(state)) => { let prev = state.current_evaluation_scope().kind.replace(probe_kind); assert_eq!(prev, None); } @@ -506,7 +453,7 @@ impl<'tcx> ProofTreeBuilder> { ) { match self.as_mut() { None => {} - Some(DebugSolver::GoalEvaluationStep(state)) => { + Some(DebugSolver::CanonicalGoalEvaluationStep(state)) => { let final_state = canonical::make_canonical_state( infcx, &state.var_values, @@ -543,7 +490,7 @@ impl<'tcx> ProofTreeBuilder> { ) { match self.as_mut() { None => {} - Some(DebugSolver::GoalEvaluationStep(state)) => { + Some(DebugSolver::CanonicalGoalEvaluationStep(state)) => { let goal = canonical::make_canonical_state( infcx, &state.var_values, @@ -563,7 +510,7 @@ impl<'tcx> ProofTreeBuilder> { impl_args: ty::GenericArgsRef<'tcx>, ) { match self.as_mut() { - Some(DebugSolver::GoalEvaluationStep(state)) => { + Some(DebugSolver::CanonicalGoalEvaluationStep(state)) => { let impl_args = canonical::make_canonical_state( infcx, &state.var_values, @@ -582,7 +529,7 @@ impl<'tcx> ProofTreeBuilder> { pub fn make_canonical_response(&mut self, shallow_certainty: Certainty) { match self.as_mut() { - Some(DebugSolver::GoalEvaluationStep(state)) => { + Some(DebugSolver::CanonicalGoalEvaluationStep(state)) => { state .current_evaluation_scope() .steps @@ -596,7 +543,7 @@ impl<'tcx> ProofTreeBuilder> { pub fn finish_probe(mut self) -> ProofTreeBuilder> { match self.as_mut() { None => {} - Some(DebugSolver::GoalEvaluationStep(state)) => { + Some(DebugSolver::CanonicalGoalEvaluationStep(state)) => { assert_ne!(state.probe_depth, 0); let num_var_values = state.current_evaluation_scope().initial_num_var_values; state.var_values.truncate(num_var_values); @@ -608,46 +555,13 @@ impl<'tcx> ProofTreeBuilder> { self } - pub fn start_evaluate_added_goals(&mut self) { - match self.as_mut() { - None => {} - Some(DebugSolver::GoalEvaluationStep(state)) => { - state.current_evaluation_scope().steps.push(WipProbeStep::EvaluateGoals( - WipAddedGoalsEvaluation { evaluations: vec![], result: None }, - )); - } - _ => bug!(), - } - } - - pub fn start_evaluate_added_goals_step(&mut self) { - match self.as_mut() { - None => {} - Some(DebugSolver::GoalEvaluationStep(state)) => { - state.added_goals_evaluation().evaluations.push(vec![]); - } - _ => bug!(), - } - } - - pub fn evaluate_added_goals_result(&mut self, result: Result) { - match self.as_mut() { - None => {} - Some(DebugSolver::GoalEvaluationStep(state)) => { - let prev = state.added_goals_evaluation().result.replace(result); - assert_eq!(prev, None); - } - _ => bug!(), - } - } - pub fn query_result(&mut self, result: QueryResult>) { if let Some(this) = self.as_mut() { match this { DebugSolver::CanonicalGoalEvaluation(canonical_goal_evaluation) => { assert_eq!(canonical_goal_evaluation.result.replace(result), None); } - DebugSolver::GoalEvaluationStep(evaluation_step) => { + DebugSolver::CanonicalGoalEvaluationStep(evaluation_step) => { assert_eq!( evaluation_step .evaluation diff --git a/compiler/rustc_trait_selection/src/solve/search_graph.rs b/compiler/rustc_trait_selection/src/solve/search_graph.rs index bcd210f789bf..6be623b6044f 100644 --- a/compiler/rustc_trait_selection/src/solve/search_graph.rs +++ b/compiler/rustc_trait_selection/src/solve/search_graph.rs @@ -274,7 +274,8 @@ impl<'tcx> SearchGraph> { last.encountered_overflow = true; } - inspect.goal_evaluation_kind(inspect::WipCanonicalGoalEvaluationKind::Overflow); + inspect + .canonical_goal_evaluation_kind(inspect::WipCanonicalGoalEvaluationKind::Overflow); return Self::response_no_constraints(tcx, input, Certainty::overflow(true)); }; @@ -302,8 +303,9 @@ impl<'tcx> SearchGraph> { // We have a nested goal which is already in the provisional cache, use // its result. We do not provide any usage kind as that should have been // already set correctly while computing the cache entry. - inspect - .goal_evaluation_kind(inspect::WipCanonicalGoalEvaluationKind::ProvisionalCacheHit); + inspect.canonical_goal_evaluation_kind( + inspect::WipCanonicalGoalEvaluationKind::ProvisionalCacheHit, + ); Self::tag_cycle_participants(&mut self.stack, HasBeenUsed::empty(), entry.head); return entry.result; } else if let Some(stack_depth) = cache_entry.stack_depth { @@ -314,7 +316,9 @@ impl<'tcx> SearchGraph> { // // Finally we can return either the provisional response or the initial response // in case we're in the first fixpoint iteration for this goal. - inspect.goal_evaluation_kind(inspect::WipCanonicalGoalEvaluationKind::CycleInStack); + inspect.canonical_goal_evaluation_kind( + inspect::WipCanonicalGoalEvaluationKind::CycleInStack, + ); let is_coinductive_cycle = Self::stack_coinductive_from(tcx, &self.stack, stack_depth); let usage_kind = if is_coinductive_cycle { HasBeenUsed::COINDUCTIVE_CYCLE @@ -371,7 +375,7 @@ impl<'tcx> SearchGraph> { (current_entry, result) }); - let proof_tree = inspect.finalize_evaluation(tcx); + let proof_tree = inspect.finalize_canonical_goal_evaluation(tcx); // We're now done with this goal. In case this goal is involved in a larger cycle // do not remove it from the provisional cache and update its provisional result. @@ -433,9 +437,9 @@ impl<'tcx> SearchGraph> { // the goal. We simply overwrite the existing entry once we're done, // caching the proof tree. if !inspect.is_noop() { - if let Some(revisions) = proof_tree { - let kind = inspect::WipCanonicalGoalEvaluationKind::Interned { revisions }; - inspect.goal_evaluation_kind(kind); + if let Some(final_revision) = proof_tree { + let kind = inspect::WipCanonicalGoalEvaluationKind::Interned { final_revision }; + inspect.canonical_goal_evaluation_kind(kind); } else { return None; } diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs index e50edfdc656c..633d488f7be5 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs @@ -7,15 +7,11 @@ pub mod suggestions; mod type_err_ctxt_ext; use super::{Obligation, ObligationCause, ObligationCauseCode, PredicateObligation}; -use crate::infer::InferCtxt; -use crate::solve::{GenerateProofTree, InferCtxtEvalExt}; use rustc_hir as hir; use rustc_hir::def_id::DefId; use rustc_hir::intravisit::Visitor; -use rustc_middle::traits::solve::Goal; use rustc_middle::ty::{self, Ty, TyCtxt}; use rustc_span::Span; -use std::io::Write; use std::ops::ControlFlow; pub use self::infer_ctxt_ext::*; @@ -184,16 +180,3 @@ pub enum DefIdOrName { DefId(DefId), Name(&'static str), } - -pub fn dump_proof_tree<'tcx>(o: &Obligation<'tcx, ty::Predicate<'tcx>>, infcx: &InferCtxt<'tcx>) { - infcx.probe(|_| { - let goal = Goal { predicate: o.predicate, param_env: o.param_env }; - let tree = infcx - .evaluate_root_goal(goal, GenerateProofTree::Yes) - .1 - .expect("proof tree should have been generated"); - let mut lock = std::io::stdout().lock(); - let _ = lock.write_fmt(format_args!("{tree:?}\n")); - let _ = lock.flush(); - }); -} diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs index 494fca0336cc..46953a61296a 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs @@ -46,7 +46,6 @@ use rustc_middle::ty::{ TypeVisitableExt, Upcast, }; use rustc_middle::{bug, span_bug}; -use rustc_session::config::DumpSolverProofTree; use rustc_session::Limit; use rustc_span::def_id::LOCAL_CRATE; use rustc_span::symbol::sym; @@ -56,8 +55,8 @@ use std::fmt; use std::iter; use super::{ - dump_proof_tree, ArgKind, CandidateSimilarity, FindExprBySpan, FindTypeParam, - GetSafeTransmuteErrorAndReason, HasNumericInferVisitor, ImplCandidate, UnsatisfiedConst, + ArgKind, CandidateSimilarity, FindExprBySpan, FindTypeParam, GetSafeTransmuteErrorAndReason, + HasNumericInferVisitor, ImplCandidate, UnsatisfiedConst, }; pub use rustc_infer::traits::error_reporting::*; @@ -369,13 +368,6 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { error: &SelectionError<'tcx>, ) -> ErrorGuaranteed { let tcx = self.tcx; - - if tcx.sess.opts.unstable_opts.next_solver.map(|c| c.dump_tree).unwrap_or_default() - == DumpSolverProofTree::OnError - { - dump_proof_tree(root_obligation, self.infcx); - } - let mut span = obligation.cause.span; let mut err = match *error { @@ -1529,12 +1521,6 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { #[instrument(skip(self), level = "debug")] fn report_fulfillment_error(&self, error: &FulfillmentError<'tcx>) -> ErrorGuaranteed { - if self.tcx.sess.opts.unstable_opts.next_solver.map(|c| c.dump_tree).unwrap_or_default() - == DumpSolverProofTree::OnError - { - dump_proof_tree(&error.root_obligation, self.infcx); - } - match error.code { FulfillmentErrorCode::Select(ref selection_error) => self.report_selection_error( error.obligation.clone(), diff --git a/compiler/rustc_type_ir/src/interner.rs b/compiler/rustc_type_ir/src/interner.rs index 9b8bb210ff42..c77414afc52c 100644 --- a/compiler/rustc_type_ir/src/interner.rs +++ b/compiler/rustc_type_ir/src/interner.rs @@ -5,7 +5,7 @@ use std::ops::Deref; use crate::inherent::*; use crate::ir_print::IrPrint; -use crate::solve::inspect::GoalEvaluationStep; +use crate::solve::inspect::CanonicalGoalEvaluationStep; use crate::visit::{Flags, TypeSuperVisitable, TypeVisitable}; use crate::{ AliasTerm, AliasTermKind, AliasTy, AliasTyKind, CanonicalVarInfo, CoercePredicate, @@ -55,7 +55,11 @@ pub trait Interner: type PredefinedOpaques: Copy + Debug + Hash + Eq; type DefiningOpaqueTypes: Copy + Debug + Hash + Default + Eq + TypeVisitable; type ExternalConstraints: Copy + Debug + Hash + Eq; - type GoalEvaluationSteps: Copy + Debug + Hash + Eq + Deref]>; + type CanonicalGoalEvaluationStepRef: Copy + + Debug + + Hash + + Eq + + Deref>; // Kinds of tys type Ty: Ty; diff --git a/compiler/rustc_type_ir/src/solve/inspect.rs b/compiler/rustc_type_ir/src/solve/inspect.rs index c4f6ee2669be..0733c730064b 100644 --- a/compiler/rustc_type_ir/src/solve/inspect.rs +++ b/compiler/rustc_type_ir/src/solve/inspect.rs @@ -1,36 +1,29 @@ //! Data structure used to inspect trait solver behavior. //! //! During trait solving we optionally build "proof trees", the root of -//! which is a [GoalEvaluation] with [GoalEvaluationKind::Root]. These -//! trees are used to improve the debug experience and are also used by -//! the compiler itself to provide necessary context for error messages. +//! which is a [GoalEvaluation]. These trees are used by the compiler +//! to inspect the behavior of the trait solver and to access its internal +//! state, e.g. for diagnostics and when selecting impls during codegen. //! //! Because each nested goal in the solver gets [canonicalized] separately //! and we discard inference progress via "probes", we cannot mechanically //! use proof trees without somehow "lifting up" data local to the current -//! `InferCtxt`. Any data used mechanically is therefore canonicalized and -//! stored as [CanonicalState]. As printing canonicalized data worsens the -//! debugging dumps, we do not simply canonicalize everything. +//! `InferCtxt`. To use the data from evaluation we therefore canonicalize +//! it and store it as a [CanonicalState]. //! -//! This means proof trees contain inference variables and placeholders -//! local to a different `InferCtxt` which must not be used with the -//! current one. +//! Proof trees are only shallow, we do not compute the proof tree for nested +//! goals. Visiting proof trees instead recomputes nested goals in the parents +//! inference context when necessary. //! //! [canonicalized]: https://rustc-dev-guide.rust-lang.org/solve/canonicalization.html -mod format; - -use std::fmt::{Debug, Write}; -use std::hash::Hash; - -use rustc_type_ir_macros::{TypeFoldable_Generic, TypeVisitable_Generic}; - -use self::format::ProofTreeFormatter; use crate::solve::{ - CandidateSource, CanonicalInput, Certainty, Goal, GoalSource, NoSolution, QueryInput, - QueryResult, + CandidateSource, CanonicalInput, Certainty, Goal, GoalSource, QueryInput, QueryResult, }; use crate::{Canonical, CanonicalVarValues, Interner}; +use rustc_type_ir_macros::{TypeFoldable_Generic, TypeVisitable_Generic}; +use std::fmt::Debug; +use std::hash::Hash; /// Some `data` together with information about how they relate to the input /// of the canonical query. @@ -55,23 +48,15 @@ pub struct State { pub type CanonicalState = Canonical>; -/// When evaluating the root goals we also store the -/// original values for the `CanonicalVarValues` of the -/// canonicalized goal. We use this to map any [CanonicalState] -/// from the local `InferCtxt` of the solver query to -/// the `InferCtxt` of the caller. -#[derive(derivative::Derivative)] -#[derivative(PartialEq(bound = ""), Eq(bound = ""), Hash(bound = ""), Debug(bound = ""))] -pub enum GoalEvaluationKind { - Root { orig_values: Vec }, - Nested, -} - +/// When evaluating a goal we also store the original values +/// for the `CanonicalVarValues` of the canonicalized goal. +/// We use this to map any [CanonicalState] from the local `InferCtxt` +/// of the solver query to the `InferCtxt` of the caller. #[derive(derivative::Derivative)] #[derivative(PartialEq(bound = ""), Eq(bound = ""), Hash(bound = ""))] pub struct GoalEvaluation { pub uncanonicalized_goal: Goal, - pub kind: GoalEvaluationKind, + pub orig_values: Vec, pub evaluation: CanonicalGoalEvaluation, } @@ -89,24 +74,12 @@ pub enum CanonicalGoalEvaluationKind { Overflow, CycleInStack, ProvisionalCacheHit, - Evaluation { revisions: I::GoalEvaluationSteps }, -} -impl Debug for GoalEvaluation { - fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { - ProofTreeFormatter::new(f).format_goal_evaluation(self) - } + Evaluation { final_revision: I::CanonicalGoalEvaluationStepRef }, } #[derive(derivative::Derivative)] #[derivative(PartialEq(bound = ""), Eq(bound = ""), Hash(bound = ""), Debug(bound = ""))] -pub struct AddedGoalsEvaluation { - pub evaluations: Vec>>, - pub result: Result, -} - -#[derive(derivative::Derivative)] -#[derivative(PartialEq(bound = ""), Eq(bound = ""), Hash(bound = ""), Debug(bound = ""))] -pub struct GoalEvaluationStep { +pub struct CanonicalGoalEvaluationStep { pub instantiated_goal: QueryInput, /// The actual evaluation of the goal, always `ProbeKind::Root`. @@ -117,7 +90,7 @@ pub struct GoalEvaluationStep { /// corresponds to a `EvalCtxt::probe(_X)` call or the root evaluation /// of a goal. #[derive(derivative::Derivative)] -#[derivative(PartialEq(bound = ""), Eq(bound = ""), Hash(bound = ""))] +#[derivative(Debug(bound = ""), PartialEq(bound = ""), Eq(bound = ""), Hash(bound = ""))] pub struct Probe { /// What happened inside of this probe in chronological order. pub steps: Vec>, @@ -125,23 +98,15 @@ pub struct Probe { pub final_state: CanonicalState, } -impl Debug for Probe { - fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { - ProofTreeFormatter::new(f).format_probe(self) - } -} - #[derive(derivative::Derivative)] #[derivative(PartialEq(bound = ""), Eq(bound = ""), Hash(bound = ""), Debug(bound = ""))] pub enum ProbeStep { /// We added a goal to the `EvalCtxt` which will get proven /// the next time `EvalCtxt::try_evaluate_added_goals` is called. AddGoal(GoalSource, CanonicalState>), - /// The inside of a `EvalCtxt::try_evaluate_added_goals` call. - EvaluateGoals(AddedGoalsEvaluation), /// A call to `probe` while proving the current goal. This is /// used whenever there are multiple candidates to prove the - /// current goalby . + /// current goal. NestedProbe(Probe), /// A trait goal was satisfied by an impl candidate. RecordImplArgs { impl_args: CanonicalState }, diff --git a/compiler/rustc_type_ir/src/solve/inspect/format.rs b/compiler/rustc_type_ir/src/solve/inspect/format.rs deleted file mode 100644 index 44ade04cf98c..000000000000 --- a/compiler/rustc_type_ir/src/solve/inspect/format.rs +++ /dev/null @@ -1,173 +0,0 @@ -use std::marker::PhantomData; - -use super::*; - -pub(super) struct ProofTreeFormatter<'a, 'b, I> { - f: &'a mut (dyn Write + 'b), - _interner: PhantomData, -} - -enum IndentorState { - StartWithNewline, - OnNewline, - Inline, -} - -/// A formatter which adds 4 spaces of indentation to its input before -/// passing it on to its nested formatter. -/// -/// We can use this for arbitrary levels of indentation by nesting it. -struct Indentor<'a, 'b> { - f: &'a mut (dyn Write + 'b), - state: IndentorState, -} - -impl Write for Indentor<'_, '_> { - fn write_str(&mut self, s: &str) -> std::fmt::Result { - for line in s.split_inclusive('\n') { - match self.state { - IndentorState::StartWithNewline => self.f.write_str("\n ")?, - IndentorState::OnNewline => self.f.write_str(" ")?, - IndentorState::Inline => {} - } - self.state = - if line.ends_with('\n') { IndentorState::OnNewline } else { IndentorState::Inline }; - self.f.write_str(line)?; - } - - Ok(()) - } -} - -impl<'a, 'b, I: Interner> ProofTreeFormatter<'a, 'b, I> { - pub(super) fn new(f: &'a mut (dyn Write + 'b)) -> Self { - ProofTreeFormatter { f, _interner: PhantomData } - } - - fn nested(&mut self, func: F) -> std::fmt::Result - where - F: FnOnce(&mut ProofTreeFormatter<'_, '_, I>) -> std::fmt::Result, - { - write!(self.f, " {{")?; - func(&mut ProofTreeFormatter { - f: &mut Indentor { f: self.f, state: IndentorState::StartWithNewline }, - _interner: PhantomData, - })?; - writeln!(self.f, "}}") - } - - pub(super) fn format_goal_evaluation(&mut self, eval: &GoalEvaluation) -> std::fmt::Result { - let goal_text = match eval.kind { - GoalEvaluationKind::Root { orig_values: _ } => "ROOT GOAL", - GoalEvaluationKind::Nested => "GOAL", - }; - write!(self.f, "{}: {:?}", goal_text, eval.uncanonicalized_goal)?; - self.nested(|this| this.format_canonical_goal_evaluation(&eval.evaluation)) - } - - pub(super) fn format_canonical_goal_evaluation( - &mut self, - eval: &CanonicalGoalEvaluation, - ) -> std::fmt::Result { - writeln!(self.f, "GOAL: {:?}", eval.goal)?; - - match &eval.kind { - CanonicalGoalEvaluationKind::Overflow => { - writeln!(self.f, "OVERFLOW: {:?}", eval.result) - } - CanonicalGoalEvaluationKind::CycleInStack => { - writeln!(self.f, "CYCLE IN STACK: {:?}", eval.result) - } - CanonicalGoalEvaluationKind::ProvisionalCacheHit => { - writeln!(self.f, "PROVISIONAL CACHE HIT: {:?}", eval.result) - } - CanonicalGoalEvaluationKind::Evaluation { revisions } => { - for (n, step) in revisions.iter().enumerate() { - write!(self.f, "REVISION {n}")?; - self.nested(|this| this.format_evaluation_step(step))?; - } - writeln!(self.f, "RESULT: {:?}", eval.result) - } - } - } - - pub(super) fn format_evaluation_step( - &mut self, - evaluation_step: &GoalEvaluationStep, - ) -> std::fmt::Result { - writeln!(self.f, "INSTANTIATED: {:?}", evaluation_step.instantiated_goal)?; - self.format_probe(&evaluation_step.evaluation) - } - - pub(super) fn format_probe(&mut self, probe: &Probe) -> std::fmt::Result { - match &probe.kind { - ProbeKind::Root { result } => { - write!(self.f, "ROOT RESULT: {result:?}") - } - ProbeKind::TryNormalizeNonRigid { result } => { - write!(self.f, "TRY NORMALIZE NON-RIGID: {result:?}") - } - ProbeKind::NormalizedSelfTyAssembly => { - write!(self.f, "NORMALIZING SELF TY FOR ASSEMBLY:") - } - ProbeKind::UnsizeAssembly => { - write!(self.f, "ASSEMBLING CANDIDATES FOR UNSIZING:") - } - ProbeKind::UpcastProjectionCompatibility => { - write!(self.f, "PROBING FOR PROJECTION COMPATIBILITY FOR UPCASTING:") - } - ProbeKind::OpaqueTypeStorageLookup { result } => { - write!(self.f, "PROBING FOR AN EXISTING OPAQUE: {result:?}") - } - ProbeKind::TraitCandidate { source, result } => { - write!(self.f, "CANDIDATE {source:?}: {result:?}") - } - ProbeKind::ShadowedEnvProbing => { - write!(self.f, "PROBING FOR IMPLS SHADOWED BY PARAM-ENV CANDIDATE:") - } - }?; - - self.nested(|this| { - for step in &probe.steps { - match step { - ProbeStep::AddGoal(source, goal) => { - let source = match source { - GoalSource::Misc => "misc", - GoalSource::ImplWhereBound => "impl where-bound", - GoalSource::InstantiateHigherRanked => "higher-ranked goal", - }; - writeln!(this.f, "ADDED GOAL ({source}): {goal:?}")? - } - ProbeStep::EvaluateGoals(eval) => this.format_added_goals_evaluation(eval)?, - ProbeStep::NestedProbe(probe) => this.format_probe(probe)?, - ProbeStep::MakeCanonicalResponse { shallow_certainty } => { - writeln!(this.f, "EVALUATE GOALS AND MAKE RESPONSE: {shallow_certainty:?}")? - } - ProbeStep::RecordImplArgs { impl_args } => { - writeln!(this.f, "RECORDED IMPL ARGS: {impl_args:?}")? - } - } - } - Ok(()) - }) - } - - pub(super) fn format_added_goals_evaluation( - &mut self, - added_goals_evaluation: &AddedGoalsEvaluation, - ) -> std::fmt::Result { - writeln!(self.f, "TRY_EVALUATE_ADDED_GOALS: {:?}", added_goals_evaluation.result)?; - - for (n, iterations) in added_goals_evaluation.evaluations.iter().enumerate() { - write!(self.f, "ITERATION {n}")?; - self.nested(|this| { - for goal_evaluation in iterations { - this.format_goal_evaluation(goal_evaluation)?; - } - Ok(()) - })?; - } - - Ok(()) - } -} From ed8e43691632645d7ca3cf0583a1a822d2eb3c48 Mon Sep 17 00:00:00 2001 From: Boxy Date: Fri, 24 May 2024 20:15:54 +0100 Subject: [PATCH 0530/1716] move generics_of call outside of iter --- compiler/rustc_lint/src/builtin.rs | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/compiler/rustc_lint/src/builtin.rs b/compiler/rustc_lint/src/builtin.rs index 0129b8f842f0..ba42eae34415 100644 --- a/compiler/rustc_lint/src/builtin.rs +++ b/compiler/rustc_lint/src/builtin.rs @@ -1998,6 +1998,8 @@ impl ExplicitOutlivesRequirements { ) -> Vec<(usize, Span)> { use rustc_middle::middle::resolve_bound_vars::ResolvedArg; + let item_generics = tcx.generics_of(item); + bounds .iter() .enumerate() @@ -2009,7 +2011,7 @@ impl ExplicitOutlivesRequirements { let is_inferred = match tcx.named_bound_var(lifetime.hir_id) { Some(ResolvedArg::EarlyBound(def_id)) => inferred_outlives .iter() - .any(|r| matches!(**r, ty::ReEarlyParam(ebr) if { tcx.generics_of(item).region_param(ebr, tcx).def_id == def_id })), + .any(|r| matches!(**r, ty::ReEarlyParam(ebr) if { item_generics.region_param(ebr, tcx).def_id == def_id })), _ => false, }; From 95b295d9768fc492540d415c34c7f59b265967c1 Mon Sep 17 00:00:00 2001 From: Alex Macleod Date: Fri, 24 May 2024 19:27:39 +0000 Subject: [PATCH 0531/1716] Fix `to_string_in_format_args` with macro call receiver --- clippy_lints/src/format_args.rs | 4 ++-- tests/ui/format_args.fixed | 1 + tests/ui/format_args.rs | 1 + tests/ui/format_args.stderr | 16 +++++++++++----- 4 files changed, 15 insertions(+), 7 deletions(-) diff --git a/clippy_lints/src/format_args.rs b/clippy_lints/src/format_args.rs index 86115807aa4d..99def199af0c 100644 --- a/clippy_lints/src/format_args.rs +++ b/clippy_lints/src/format_args.rs @@ -424,14 +424,14 @@ impl<'a, 'tcx> FormatArgsExpr<'a, 'tcx> { count_needed_derefs(receiver_ty, cx.typeck_results().expr_adjustments(receiver).iter()) && implements_trait(cx, target, display_trait_id, &[]) && let Some(sized_trait_id) = cx.tcx.lang_items().sized_trait() - && let Some(receiver_snippet) = snippet_opt(cx, receiver.span) + && let Some(receiver_snippet) = snippet_opt(cx, receiver.span.source_callsite()) { let needs_ref = !implements_trait(cx, receiver_ty, sized_trait_id, &[]); if n_needed_derefs == 0 && !needs_ref { span_lint_and_sugg( cx, TO_STRING_IN_FORMAT_ARGS, - to_string_span.with_lo(receiver.span.hi()), + to_string_span.with_lo(receiver.span.source_callsite().hi()), format!("`to_string` applied to a type that implements `Display` in `{name}!` args"), "remove this", String::new(), diff --git a/tests/ui/format_args.fixed b/tests/ui/format_args.fixed index cab20b11e073..4d812f6bf1dc 100644 --- a/tests/ui/format_args.fixed +++ b/tests/ui/format_args.fixed @@ -104,6 +104,7 @@ fn main() { println!("{foo}{bar}", foo = "foo", bar = "bar"); println!("{foo}{bar}", bar = "bar", foo = "foo"); println!("{foo}{bar}", bar = "bar", foo = "foo"); + println!("{}", my_other_macro!()); // negative tests println!("error: something failed at {}", Somewhere.to_string()); diff --git a/tests/ui/format_args.rs b/tests/ui/format_args.rs index bc3645cb2c2b..d242623feb62 100644 --- a/tests/ui/format_args.rs +++ b/tests/ui/format_args.rs @@ -104,6 +104,7 @@ fn main() { println!("{foo}{bar}", foo = "foo", bar = "bar".to_string()); println!("{foo}{bar}", bar = "bar".to_string(), foo = "foo"); println!("{foo}{bar}", bar = "bar", foo = "foo".to_string()); + println!("{}", my_other_macro!().to_string()); // negative tests println!("error: something failed at {}", Somewhere.to_string()); diff --git a/tests/ui/format_args.stderr b/tests/ui/format_args.stderr index f20cf9eca2f9..91a45e270081 100644 --- a/tests/ui/format_args.stderr +++ b/tests/ui/format_args.stderr @@ -127,29 +127,35 @@ error: `to_string` applied to a type that implements `Display` in `println!` arg LL | println!("{foo}{bar}", bar = "bar", foo = "foo".to_string()); | ^^^^^^^^^^^^ help: remove this +error: `to_string` applied to a type that implements `Display` in `println!` args + --> tests/ui/format_args.rs:107:37 + | +LL | println!("{}", my_other_macro!().to_string()); + | ^^^^^^^^^^^^ help: remove this + error: `to_string` applied to a type that implements `Display` in `print!` args - --> tests/ui/format_args.rs:118:37 + --> tests/ui/format_args.rs:119:37 | LL | print!("{}", (Location::caller().to_string())); | ^^^^^^^^^^^^ help: remove this error: `to_string` applied to a type that implements `Display` in `print!` args - --> tests/ui/format_args.rs:119:39 + --> tests/ui/format_args.rs:120:39 | LL | print!("{}", ((Location::caller()).to_string())); | ^^^^^^^^^^^^ help: remove this error: `to_string` applied to a type that implements `Display` in `format!` args - --> tests/ui/format_args.rs:147:38 + --> tests/ui/format_args.rs:148:38 | LL | let x = format!("{} {}", a, b.to_string()); | ^^^^^^^^^^^^ help: remove this error: `to_string` applied to a type that implements `Display` in `println!` args - --> tests/ui/format_args.rs:161:24 + --> tests/ui/format_args.rs:162:24 | LL | println!("{}", original[..10].to_string()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use this: `&original[..10]` -error: aborting due to 25 previous errors +error: aborting due to 26 previous errors From 1af490de424ac07fbeb3b1a0a1268cad43fdf49d Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Fri, 24 May 2024 15:47:50 -0400 Subject: [PATCH 0532/1716] Better ICE message for unresolved upvars --- .../rustc_mir_build/src/build/expr/as_place.rs | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/compiler/rustc_mir_build/src/build/expr/as_place.rs b/compiler/rustc_mir_build/src/build/expr/as_place.rs index 93d0d4e59ba9..4b62afa61bbd 100644 --- a/compiler/rustc_mir_build/src/build/expr/as_place.rs +++ b/compiler/rustc_mir_build/src/build/expr/as_place.rs @@ -4,7 +4,6 @@ use crate::build::expr::category::Category; use crate::build::ForGuard::{OutsideGuard, RefWithinGuard}; use crate::build::{BlockAnd, BlockAndExtension, Builder, Capture, CaptureMap}; use rustc_hir::def_id::LocalDefId; -use rustc_middle::bug; use rustc_middle::hir::place::Projection as HirProjection; use rustc_middle::hir::place::ProjectionKind as HirProjectionKind; use rustc_middle::middle::region; @@ -13,6 +12,7 @@ use rustc_middle::mir::*; use rustc_middle::thir::*; use rustc_middle::ty::AdtDef; use rustc_middle::ty::{self, CanonicalUserTypeAnnotation, Ty, Variance}; +use rustc_middle::{bug, span_bug}; use rustc_span::Span; use rustc_target::abi::{FieldIdx, VariantIdx, FIRST_VARIANT}; use tracing::{debug, instrument, trace}; @@ -252,7 +252,18 @@ fn strip_prefix<'a, 'tcx>( impl<'tcx> PlaceBuilder<'tcx> { pub(in crate::build) fn to_place(&self, cx: &Builder<'_, 'tcx>) -> Place<'tcx> { - self.try_to_place(cx).unwrap() + self.try_to_place(cx).unwrap_or_else(|| match self.base { + PlaceBase::Local(local) => span_bug!( + cx.local_decls[local].source_info.span, + "could not resolve local: {local:#?} + {:?}", + self.projection + ), + PlaceBase::Upvar { var_hir_id, closure_def_id: _ } => span_bug!( + cx.tcx.hir().span(var_hir_id.0), + "could not resolve upvar: {var_hir_id:?} + {:?}", + self.projection + ), + }) } /// Creates a `Place` or returns `None` if an upvar cannot be resolved From 9185ddb019259883db1d5c2625f4ecb42d3aa77b Mon Sep 17 00:00:00 2001 From: Weihang Lo Date: Fri, 24 May 2024 15:20:20 -0400 Subject: [PATCH 0533/1716] bootstrap: support target specific config overrides --- src/bootstrap/src/core/config/config.rs | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/src/bootstrap/src/core/config/config.rs b/src/bootstrap/src/core/config/config.rs index 19119a073c5f..7eb42ad32f53 100644 --- a/src/bootstrap/src/core/config/config.rs +++ b/src/bootstrap/src/core/config/config.rs @@ -644,7 +644,20 @@ impl Merge for TomlConfig { do_merge(&mut self.llvm, llvm, replace); do_merge(&mut self.rust, rust, replace); do_merge(&mut self.dist, dist, replace); - assert!(target.is_none(), "merging target-specific config is not currently supported"); + + match (self.target.as_mut(), target) { + (_, None) => {} + (None, Some(target)) => self.target = Some(target), + (Some(original_target), Some(new_target)) => { + for (triple, new) in new_target { + if let Some(original) = original_target.get_mut(&triple) { + original.merge(new, replace); + } else { + original_target.insert(triple, new); + } + } + } + } } } From d1f0bc7562043f2d34c77aadc5263cee89d0ee80 Mon Sep 17 00:00:00 2001 From: Weihang Lo Date: Fri, 24 May 2024 15:25:44 -0400 Subject: [PATCH 0534/1716] bootstrap: test target specific config overrides Debug, PartialEq, and Eq are derived for testing purposes. --- src/bootstrap/src/core/config/config.rs | 8 ++--- src/bootstrap/src/core/config/tests.rs | 41 +++++++++++++++++++++++++ 2 files changed, 45 insertions(+), 4 deletions(-) diff --git a/src/bootstrap/src/core/config/config.rs b/src/bootstrap/src/core/config/config.rs index 7eb42ad32f53..d13dc9d1d177 100644 --- a/src/bootstrap/src/core/config/config.rs +++ b/src/bootstrap/src/core/config/config.rs @@ -360,7 +360,7 @@ pub enum RustfmtState { LazyEvaluated, } -#[derive(Debug, Default, Clone, Copy, PartialEq)] +#[derive(Debug, Default, Clone, Copy, PartialEq, Eq)] pub enum LlvmLibunwind { #[default] No, @@ -381,7 +381,7 @@ impl FromStr for LlvmLibunwind { } } -#[derive(Default, Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)] +#[derive(Debug, Default, Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)] pub enum SplitDebuginfo { Packed, Unpacked, @@ -542,7 +542,7 @@ impl PartialEq<&str> for TargetSelection { } /// Per-target configuration stored in the global configuration structure. -#[derive(Default, Clone)] +#[derive(Debug, Default, Clone, PartialEq, Eq)] pub struct Target { /// Some(path to llvm-config) if using an external LLVM. pub llvm_config: Option, @@ -912,7 +912,7 @@ define_config! { } } -#[derive(Clone, Debug, Deserialize)] +#[derive(Clone, Debug, Deserialize, PartialEq, Eq)] #[serde(untagged)] pub enum StringOrBool { String(String), diff --git a/src/bootstrap/src/core/config/tests.rs b/src/bootstrap/src/core/config/tests.rs index 59e16b654272..c4073910623a 100644 --- a/src/bootstrap/src/core/config/tests.rs +++ b/src/bootstrap/src/core/config/tests.rs @@ -1,5 +1,7 @@ use super::{flags::Flags, ChangeIdWrapper, Config}; use crate::core::build_steps::clippy::get_clippy_rules_in_order; +use crate::core::config::Target; +use crate::core::config::TargetSelection; use crate::core::config::{LldMode, TomlConfig}; use clap::CommandFactory; @@ -124,6 +126,10 @@ fn override_toml() { "--set=build.gdb=\"bar\"".to_owned(), "--set=build.tools=[\"cargo\"]".to_owned(), "--set=llvm.build-config={\"foo\" = \"bar\"}".to_owned(), + "--set=target.x86_64-unknown-linux-gnu.runner=bar".to_owned(), + "--set=target.x86_64-unknown-linux-gnu.rpath=false".to_owned(), + "--set=target.aarch64-unknown-linux-gnu.sanitizers=false".to_owned(), + "--set=target.aarch64-apple-darwin.runner=apple".to_owned(), ], |&_| { toml::from_str( @@ -140,6 +146,17 @@ tools = [] [llvm] download-ci-llvm = false build-config = {} + +[target.aarch64-unknown-linux-gnu] +sanitizers = true +rpath = true +runner = "aarch64-runner" + +[target.x86_64-unknown-linux-gnu] +sanitizers = true +rpath = true +runner = "x86_64-runner" + "#, ) .unwrap() @@ -163,6 +180,30 @@ build-config = {} [("foo".to_string(), "bar".to_string())].into_iter().collect(), "setting dictionary value" ); + + let x86_64 = TargetSelection::from_user("x86_64-unknown-linux-gnu"); + let x86_64_values = Target { + sanitizers: Some(true), + rpath: Some(false), + runner: Some("bar".into()), + ..Default::default() + }; + let aarch64 = TargetSelection::from_user("aarch64-unknown-linux-gnu"); + let aarch64_values = Target { + sanitizers: Some(false), + rpath: Some(true), + runner: Some("aarch64-runner".into()), + ..Default::default() + }; + let darwin = TargetSelection::from_user("aarch64-apple-darwin"); + let darwin_values = Target { runner: Some("apple".into()), ..Default::default() }; + assert_eq!( + config.target_config, + [(x86_64, x86_64_values), (aarch64, aarch64_values), (darwin, darwin_values)] + .into_iter() + .collect(), + "setting dictionary value" + ); } #[test] From 61aac551b81573d160f19bafbf6deb83f8f0b2be Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Fri, 24 May 2024 15:49:17 -0400 Subject: [PATCH 0535/1716] Structurally resolve before builtin_index in EUV --- compiler/rustc_hir_typeck/src/expr_use_visitor.rs | 6 +++++- .../next-solver/typeck/index-of-projection.rs | 13 +++++++++++++ 2 files changed, 18 insertions(+), 1 deletion(-) create mode 100644 tests/ui/traits/next-solver/typeck/index-of-projection.rs diff --git a/compiler/rustc_hir_typeck/src/expr_use_visitor.rs b/compiler/rustc_hir_typeck/src/expr_use_visitor.rs index 89f62577506f..0ba4bd090f5e 100644 --- a/compiler/rustc_hir_typeck/src/expr_use_visitor.rs +++ b/compiler/rustc_hir_typeck/src/expr_use_visitor.rs @@ -1741,7 +1741,11 @@ impl<'tcx, Cx: TypeInformationCtxt<'tcx>, D: Delegate<'tcx>> ExprUseVisitor<'tcx } PatKind::Slice(before, ref slice, after) => { - let Some(element_ty) = place_with_id.place.ty().builtin_index() else { + let Some(element_ty) = self + .cx + .try_structurally_resolve_type(pat.span, place_with_id.place.ty()) + .builtin_index() + else { debug!("explicit index of non-indexable type {:?}", place_with_id); return Err(self .cx diff --git a/tests/ui/traits/next-solver/typeck/index-of-projection.rs b/tests/ui/traits/next-solver/typeck/index-of-projection.rs new file mode 100644 index 000000000000..5023be0bb148 --- /dev/null +++ b/tests/ui/traits/next-solver/typeck/index-of-projection.rs @@ -0,0 +1,13 @@ +//@ compile-flags: -Znext-solver +//@ check-pass + +// Fixes a regression in `rustc_attr` where we weren't normalizing the +// output type of a index operator performing a `Ty::builtin_index` call, +// leading to an ICE. + +fn main() { + let mut vec = [1, 2, 3]; + let x = || { + let [..] = &vec[..]; + }; +} From c97ed58c381e1d2455b64672e1afef0c1caf34e9 Mon Sep 17 00:00:00 2001 From: lcnr Date: Fri, 24 May 2024 20:27:47 +0000 Subject: [PATCH 0536/1716] tag more stuff with `WG-trait-system-refactor` --- triagebot.toml | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/triagebot.toml b/triagebot.toml index 2e45b257f812..8b6d5f7ef7af 100644 --- a/triagebot.toml +++ b/triagebot.toml @@ -389,8 +389,11 @@ exclude_labels = [ [autolabel."WG-trait-system-refactor"] trigger_files = [ + "compiler/rustc_middle/src/traits/solve", + "compiler/rustc_next_trait_solver", "compiler/rustc_trait_selection/src/solve", - "compiler/rustc_middle/src/traits/solve" + "compiler/rustc_type_ir/src/solve", + "tests/ui/traits/next-solver", ] [autolabel."PG-exploit-mitigations"] From 24b5466892956b26b5e261ed418aee3c9c6e6d45 Mon Sep 17 00:00:00 2001 From: lcnr Date: Wed, 22 May 2024 16:56:10 +0000 Subject: [PATCH 0537/1716] drop region constraints for ambiguous goals --- .../src/solve/eval_ctxt/canonical.rs | 62 ++++++++++++------- .../leak-check-in-selection-5-ambig.rs | 28 +++++++++ ...eck-in-selection-6-ambig-unify.next.stderr | 22 +++++++ ...heck-in-selection-6-ambig-unify.old.stderr | 22 +++++++ .../leak-check-in-selection-6-ambig-unify.rs | 32 ++++++++++ .../ambig-goal-infer-in-type-oulives.rs | 29 +++++++++ 6 files changed, 171 insertions(+), 24 deletions(-) create mode 100644 tests/ui/higher-ranked/leak-check/leak-check-in-selection-5-ambig.rs create mode 100644 tests/ui/higher-ranked/leak-check/leak-check-in-selection-6-ambig-unify.next.stderr create mode 100644 tests/ui/higher-ranked/leak-check/leak-check-in-selection-6-ambig-unify.old.stderr create mode 100644 tests/ui/higher-ranked/leak-check/leak-check-in-selection-6-ambig-unify.rs create mode 100644 tests/ui/traits/next-solver/normalize/ambig-goal-infer-in-type-oulives.rs diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs index 9590a82c0677..f6ec65490845 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs @@ -99,6 +99,13 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { previous call to `try_evaluate_added_goals!`" ); + // We only check for leaks from universes which were entered inside + // of the query. + self.infcx.leak_check(self.max_input_universe, None).map_err(|e| { + trace!(?e, "failed the leak check"); + NoSolution + })?; + // When normalizing, we've replaced the expected term with an unconstrained // inference variable. This means that we dropped information which could // have been important. We handle this by instead returning the nested goals @@ -121,7 +128,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { }; let external_constraints = - self.compute_external_query_constraints(normalization_nested_goals)?; + self.compute_external_query_constraints(certainty, normalization_nested_goals); let (var_values, mut external_constraints) = (self.var_values, external_constraints).fold_with(&mut EagerResolver::new(self.infcx)); // Remove any trivial region constraints once we've resolved regions @@ -170,30 +177,37 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { #[instrument(level = "trace", skip(self), ret)] fn compute_external_query_constraints( &self, + certainty: Certainty, normalization_nested_goals: NestedNormalizationGoals<'tcx>, - ) -> Result, NoSolution> { - // We only check for leaks from universes which were entered inside - // of the query. - self.infcx.leak_check(self.max_input_universe, None).map_err(|e| { - trace!(?e, "failed the leak check"); - NoSolution - })?; + ) -> ExternalConstraintsData<'tcx> { + // We only return region constraints once the certainty is `Yes`. This + // is necessary as we may drop nested goals on ambiguity, which may result + // in unconstrained inference variables in the region constraints. It also + // prevents us from emitting duplicate region constraints, avoiding some + // unnecessary work. This slightly weakens the leak check in case it uses + // region constraints from an ambiguous nested goal. This is tested in both + // `tests/ui/higher-ranked/leak-check/leak-check-in-selection-5-ambig.rs` and + // `tests/ui/higher-ranked/leak-check/leak-check-in-selection-6-ambig-unify.rs`. + let region_constraints = if certainty == Certainty::Yes { + // Cannot use `take_registered_region_obligations` as we may compute the response + // inside of a `probe` whenever we have multiple choices inside of the solver. + let region_obligations = self.infcx.inner.borrow().region_obligations().to_owned(); + let mut region_constraints = self.infcx.with_region_constraints(|region_constraints| { + make_query_region_constraints( + self.tcx(), + region_obligations.iter().map(|r_o| { + (r_o.sup_type, r_o.sub_region, r_o.origin.to_constraint_category()) + }), + region_constraints, + ) + }); - // Cannot use `take_registered_region_obligations` as we may compute the response - // inside of a `probe` whenever we have multiple choices inside of the solver. - let region_obligations = self.infcx.inner.borrow().region_obligations().to_owned(); - let mut region_constraints = self.infcx.with_region_constraints(|region_constraints| { - make_query_region_constraints( - self.tcx(), - region_obligations - .iter() - .map(|r_o| (r_o.sup_type, r_o.sub_region, r_o.origin.to_constraint_category())), - region_constraints, - ) - }); - - let mut seen = FxHashSet::default(); - region_constraints.outlives.retain(|outlives| seen.insert(*outlives)); + let mut seen = FxHashSet::default(); + region_constraints.outlives.retain(|outlives| seen.insert(*outlives)); + region_constraints + } else { + Default::default() + }; let mut opaque_types = self.infcx.clone_opaque_types_for_query_response(); // Only return opaque type keys for newly-defined opaques @@ -201,7 +215,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { self.predefined_opaques_in_body.opaque_types.iter().all(|(pa, _)| pa != a) }); - Ok(ExternalConstraintsData { region_constraints, opaque_types, normalization_nested_goals }) + ExternalConstraintsData { region_constraints, opaque_types, normalization_nested_goals } } /// After calling a canonical query, we apply the constraints returned diff --git a/tests/ui/higher-ranked/leak-check/leak-check-in-selection-5-ambig.rs b/tests/ui/higher-ranked/leak-check/leak-check-in-selection-5-ambig.rs new file mode 100644 index 000000000000..beda719ac208 --- /dev/null +++ b/tests/ui/higher-ranked/leak-check/leak-check-in-selection-5-ambig.rs @@ -0,0 +1,28 @@ +//@ revisions: old next +//@[next] compile-flags: -Znext-solver +//@ check-pass + +// The new trait solver does not return region constraints if the goal +// is still ambiguous. This causes the following test to fail with ambiguity, +// even though `(): LeakCheckFailure<'!a, V>` would return `'!a: 'static` +// which would have caused a leak check failure. + +trait Ambig {} +impl Ambig for u32 {} +impl Ambig for u16 {} + +trait Id {} +impl Id for u32 {} +impl Id for u16 {} + + +trait LeakCheckFailure<'a, V: ?Sized> {} +impl LeakCheckFailure<'static, V> for () {} + +trait Trait {} +impl Trait for () where for<'a> (): LeakCheckFailure<'a, V> {} +impl Trait for () {} +fn impls_trait, U: Id, V>() {} +fn main() { + impls_trait::<(), _, _>() +} diff --git a/tests/ui/higher-ranked/leak-check/leak-check-in-selection-6-ambig-unify.next.stderr b/tests/ui/higher-ranked/leak-check/leak-check-in-selection-6-ambig-unify.next.stderr new file mode 100644 index 000000000000..a12e3312230a --- /dev/null +++ b/tests/ui/higher-ranked/leak-check/leak-check-in-selection-6-ambig-unify.next.stderr @@ -0,0 +1,22 @@ +error[E0283]: type annotations needed + --> $DIR/leak-check-in-selection-6-ambig-unify.rs:30:5 + | +LL | impls_trait::<(), _, _>() + | ^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type of the type parameter `U` declared on the function `impls_trait` + | +note: multiple `impl`s satisfying `(): Trait<_, _>` found + --> $DIR/leak-check-in-selection-6-ambig-unify.rs:26:1 + | +LL | impl Trait for () where for<'b> (): LeakCheckFailure<'static, 'b, V> {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | impl Trait for () {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +note: required by a bound in `impls_trait` + --> $DIR/leak-check-in-selection-6-ambig-unify.rs:28:19 + | +LL | fn impls_trait, U: Id, V>() {} + | ^^^^^^^^^^^ required by this bound in `impls_trait` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0283`. diff --git a/tests/ui/higher-ranked/leak-check/leak-check-in-selection-6-ambig-unify.old.stderr b/tests/ui/higher-ranked/leak-check/leak-check-in-selection-6-ambig-unify.old.stderr new file mode 100644 index 000000000000..a12e3312230a --- /dev/null +++ b/tests/ui/higher-ranked/leak-check/leak-check-in-selection-6-ambig-unify.old.stderr @@ -0,0 +1,22 @@ +error[E0283]: type annotations needed + --> $DIR/leak-check-in-selection-6-ambig-unify.rs:30:5 + | +LL | impls_trait::<(), _, _>() + | ^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type of the type parameter `U` declared on the function `impls_trait` + | +note: multiple `impl`s satisfying `(): Trait<_, _>` found + --> $DIR/leak-check-in-selection-6-ambig-unify.rs:26:1 + | +LL | impl Trait for () where for<'b> (): LeakCheckFailure<'static, 'b, V> {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | impl Trait for () {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +note: required by a bound in `impls_trait` + --> $DIR/leak-check-in-selection-6-ambig-unify.rs:28:19 + | +LL | fn impls_trait, U: Id, V>() {} + | ^^^^^^^^^^^ required by this bound in `impls_trait` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0283`. diff --git a/tests/ui/higher-ranked/leak-check/leak-check-in-selection-6-ambig-unify.rs b/tests/ui/higher-ranked/leak-check/leak-check-in-selection-6-ambig-unify.rs new file mode 100644 index 000000000000..592d581695e5 --- /dev/null +++ b/tests/ui/higher-ranked/leak-check/leak-check-in-selection-6-ambig-unify.rs @@ -0,0 +1,32 @@ +//@ revisions: old next +//@[next] compile-flags: -Znext-solver + +// The new trait solver does not return region constraints if the goal +// is still ambiguous. This should cause the following test to fail with +// ambiguity as even if `(): LeakCheckFailure<'static, '!b, V>` unifies +// `'!b` with `'static`, we erase all region constraints. +// +// However, we do still unify the var_value for `'b` with `'static`, +// causing us to return this requirement via the `var_values` even if +// we don't return any region constraints. This is a bit inconsistent +// but isn't something we should really worry about imo. +trait Ambig {} +impl Ambig for u32 {} +impl Ambig for u16 {} + +trait Id {} +impl Id for u32 {} +impl Id for u16 {} + + +trait LeakCheckFailure<'a, 'b, V: ?Sized> {} +impl<'a, 'b: 'a, V: ?Sized + Ambig> LeakCheckFailure<'a, 'b, V> for () {} + +trait Trait {} +impl Trait for () where for<'b> (): LeakCheckFailure<'static, 'b, V> {} +impl Trait for () {} +fn impls_trait, U: Id, V>() {} +fn main() { + impls_trait::<(), _, _>() + //~^ ERROR type annotations needed +} diff --git a/tests/ui/traits/next-solver/normalize/ambig-goal-infer-in-type-oulives.rs b/tests/ui/traits/next-solver/normalize/ambig-goal-infer-in-type-oulives.rs new file mode 100644 index 000000000000..18dc34f7cc43 --- /dev/null +++ b/tests/ui/traits/next-solver/normalize/ambig-goal-infer-in-type-oulives.rs @@ -0,0 +1,29 @@ +//@ check-pass +//@ compile-flags: -Znext-solver +//@ ignore-compare-mode-next-solver (explicitly enabled) + +// Regression test for an ICE when trying to bootstrap rustc +// with #125343. An ambiguous goal returned a `TypeOutlives` +// constraint referencing an inference variable. This inference +// variable was created inside of the goal, causing it to be +// unconstrained in the caller. This then caused an ICE in MIR +// borrowck. + +struct Foo(T); +trait Extend { + fn extend>(iter: I); +} + +impl Extend for Foo { + fn extend>(_: I) { + todo!() + } +} + +impl<'a, T: 'a + Copy> Extend<&'a T> for Foo { + fn extend>(iter: I) { + >::extend(iter.into_iter().copied()) + } +} + +fn main() {} From 17cc0a3a7d286b36a5745aafbfff7ac662270b5b Mon Sep 17 00:00:00 2001 From: Hamir Mahal Date: Fri, 24 May 2024 14:30:42 -0700 Subject: [PATCH 0538/1716] feat: auto-fix for `bare URLs` in doc comments --- clippy_lints/src/doc/markdown.rs | 8 +++++--- tests/ui/doc/doc-fixable.fixed | 3 +++ tests/ui/doc/doc-fixable.rs | 3 +++ tests/ui/doc/doc-fixable.stderr | 8 +++++++- 4 files changed, 18 insertions(+), 4 deletions(-) diff --git a/clippy_lints/src/doc/markdown.rs b/clippy_lints/src/doc/markdown.rs index 1add02af3101..8a497b5ab0d9 100644 --- a/clippy_lints/src/doc/markdown.rs +++ b/clippy_lints/src/doc/markdown.rs @@ -1,4 +1,4 @@ -use clippy_utils::diagnostics::{span_lint, span_lint_and_then}; +use clippy_utils::diagnostics::{span_lint_and_sugg, span_lint_and_then}; use clippy_utils::source::snippet_with_applicability; use rustc_data_structures::fx::FxHashSet; use rustc_errors::{Applicability, SuggestionStyle}; @@ -92,13 +92,15 @@ fn check_word(cx: &LateContext<'_>, word: &str, span: Span, code_level: isize, b if let Ok(url) = Url::parse(word) { // try to get around the fact that `foo::bar` parses as a valid URL if !url.cannot_be_a_base() { - span_lint( + span_lint_and_sugg( cx, DOC_MARKDOWN, span, "you should put bare URLs between `<`/`>` or make a proper Markdown link", + "try", + format!("<{word}>"), + Applicability::MachineApplicable, ); - return; } } diff --git a/tests/ui/doc/doc-fixable.fixed b/tests/ui/doc/doc-fixable.fixed index 7e22c847b1bc..84673f1f43fd 100644 --- a/tests/ui/doc/doc-fixable.fixed +++ b/tests/ui/doc/doc-fixable.fixed @@ -240,3 +240,6 @@ extern { /// `foo()` fn in_extern(); } + +/// +fn check_autofix_for_base_urls() {} diff --git a/tests/ui/doc/doc-fixable.rs b/tests/ui/doc/doc-fixable.rs index 3e2cb0df54b0..4d017a99e0fb 100644 --- a/tests/ui/doc/doc-fixable.rs +++ b/tests/ui/doc/doc-fixable.rs @@ -240,3 +240,6 @@ extern { /// foo() fn in_extern(); } + +/// https://github.com/rust-lang/rust-clippy/pull/12836 +fn check_autofix_for_base_urls() {} diff --git a/tests/ui/doc/doc-fixable.stderr b/tests/ui/doc/doc-fixable.stderr index cd2228c47e35..a9263f62d38d 100644 --- a/tests/ui/doc/doc-fixable.stderr +++ b/tests/ui/doc/doc-fixable.stderr @@ -363,5 +363,11 @@ help: try LL | /// `foo()` | ~~~~~~~ -error: aborting due to 33 previous errors +error: you should put bare URLs between `<`/`>` or make a proper Markdown link + --> tests/ui/doc/doc-fixable.rs:244:5 + | +LL | /// https://github.com/rust-lang/rust-clippy/pull/12836 + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `` + +error: aborting due to 34 previous errors From f1a18da4bb6a976cefea5f0341f6898fec436660 Mon Sep 17 00:00:00 2001 From: Ben Kimock Date: Fri, 24 May 2024 17:43:02 -0400 Subject: [PATCH 0539/1716] Exit the process a short time after entering our ctrl-c handler --- compiler/rustc_driver_impl/src/lib.rs | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/compiler/rustc_driver_impl/src/lib.rs b/compiler/rustc_driver_impl/src/lib.rs index 5532eff7be66..2bd58680eef5 100644 --- a/compiler/rustc_driver_impl/src/lib.rs +++ b/compiler/rustc_driver_impl/src/lib.rs @@ -57,7 +57,7 @@ use std::process::{self, Command, Stdio}; use std::str; use std::sync::atomic::{AtomicBool, Ordering}; use std::sync::{Arc, OnceLock}; -use std::time::{Instant, SystemTime}; +use std::time::{Duration, Instant, SystemTime}; use time::OffsetDateTime; use tracing::trace; @@ -1502,14 +1502,13 @@ pub fn init_logger(early_dcx: &EarlyDiagCtxt, cfg: rustc_log::LoggerConfig) { pub fn install_ctrlc_handler() { #[cfg(not(target_family = "wasm"))] ctrlc::set_handler(move || { - // Indicate that we have been signaled to stop. If we were already signaled, exit - // immediately. In our interpreter loop we try to consult this value often, but if for - // whatever reason we don't get to that check or the cleanup we do upon finding that - // this bool has become true takes a long time, the exit here will promptly exit the - // process on the second Ctrl-C. - if CTRL_C_RECEIVED.swap(true, Ordering::Relaxed) { - std::process::exit(1); - } + // Indicate that we have been signaled to stop, then give the rest of the compiler a bit of + // time to check CTRL_C_RECEIVED and run its own shutdown logic, but after a short amount + // of time exit the process. This sleep+exit ensures that even if nobody is checking + // CTRL_C_RECEIVED, the compiler exits reasonably promptly. + CTRL_C_RECEIVED.store(true, Ordering::Relaxed); + std::thread::sleep(Duration::from_millis(100)); + std::process::exit(1); }) .expect("Unable to install ctrlc handler"); } From 2d9a4c71c852e78c6579ea11fdd97b84ab85d239 Mon Sep 17 00:00:00 2001 From: Weihang Lo Date: Fri, 24 May 2024 17:49:48 -0400 Subject: [PATCH 0540/1716] Update cargo --- src/tools/cargo | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/cargo b/src/tools/cargo index 84dc5dc11a90..a8d72c675ee5 160000 --- a/src/tools/cargo +++ b/src/tools/cargo @@ -1 +1 @@ -Subproject commit 84dc5dc11a9007a08f27170454da6097265e510e +Subproject commit a8d72c675ee52dd57f0d8f2bae6655913c15b2fb From 1052d2931cbc32ffb6e1b648f4d7e248d5fdd889 Mon Sep 17 00:00:00 2001 From: joboet Date: Sat, 25 May 2024 00:19:47 +0200 Subject: [PATCH 0541/1716] std: make TLS accessors closures that return pointers --- .../src/sys/thread_local/fast_local/eager.rs | 34 +++----- .../src/sys/thread_local/fast_local/lazy.rs | 46 +++------- .../src/sys/thread_local/fast_local/mod.rs | 87 ++++++++----------- library/std/src/sys/thread_local/os_local.rs | 63 ++++++-------- .../std/src/sys/thread_local/static_local.rs | 53 ++++------- library/std/src/thread/local.rs | 12 +-- 6 files changed, 111 insertions(+), 184 deletions(-) diff --git a/library/std/src/sys/thread_local/fast_local/eager.rs b/library/std/src/sys/thread_local/fast_local/eager.rs index c2bc580530ba..b97bd9cc88ce 100644 --- a/library/std/src/sys/thread_local/fast_local/eager.rs +++ b/library/std/src/sys/thread_local/fast_local/eager.rs @@ -21,43 +21,35 @@ impl Storage { Storage { state: Cell::new(State::Initial), val: UnsafeCell::new(val) } } - /// Get a reference to the TLS value. If the TLS variable has been destroyed, - /// `None` is returned. + /// Get a pointer to the TLS value. If the TLS variable has been destroyed, + /// a null pointer is returned. + /// + /// The resulting pointer may not be used after thread destruction has + /// occurred. /// /// # Safety - /// * The `self` reference must remain valid until the TLS destructor has been - /// run. - /// * The returned reference may only be used until thread destruction occurs - /// and may not be used after reentrant initialization has occurred. - /// - // FIXME(#110897): return NonNull instead of lying about the lifetime. + /// The `self` reference must remain valid until the TLS destructor is run. #[inline] - pub unsafe fn get(&self) -> Option<&'static T> { + pub unsafe fn get(&self) -> *const T { match self.state.get() { - // SAFETY: as the state is not `Destroyed`, the value cannot have - // been destroyed yet. The reference fulfills the terms outlined - // above. - State::Alive => unsafe { Some(&*self.val.get()) }, - State::Destroyed => None, + State::Alive => self.val.get(), + State::Destroyed => ptr::null(), State::Initial => unsafe { self.initialize() }, } } #[cold] - unsafe fn initialize(&self) -> Option<&'static T> { + unsafe fn initialize(&self) -> *const T { // Register the destructor // SAFETY: - // * the destructor will be called at thread destruction. - // * the caller guarantees that `self` will be valid until that time. + // The caller guarantees that `self` will be valid until thread destruction. unsafe { register_dtor(ptr::from_ref(self).cast_mut().cast(), destroy::); } + self.state.set(State::Alive); - // SAFETY: as the state is not `Destroyed`, the value cannot have - // been destroyed yet. The reference fulfills the terms outlined - // above. - unsafe { Some(&*self.val.get()) } + self.val.get() } } diff --git a/library/std/src/sys/thread_local/fast_local/lazy.rs b/library/std/src/sys/thread_local/fast_local/lazy.rs index c2e9a1714546..c1ada35d484d 100644 --- a/library/std/src/sys/thread_local/fast_local/lazy.rs +++ b/library/std/src/sys/thread_local/fast_local/lazy.rs @@ -39,49 +39,31 @@ where Storage { state: UnsafeCell::new(State::Initial) } } - /// Get a reference to the TLS value, potentially initializing it with the - /// provided parameters. If the TLS variable has been destroyed, `None` is - /// returned. + /// Get a pointer to the TLS value, potentially initializing it with the + /// provided parameters. If the TLS variable has been destroyed, a null + /// pointer is returned. + /// + /// The resulting pointer may not be used after reentrant inialialization + /// or thread destruction has occurred. /// /// # Safety - /// * The `self` reference must remain valid until the TLS destructor is run, - /// at which point the returned reference is invalidated. - /// * The returned reference may only be used until thread destruction occurs - /// and may not be used after reentrant initialization has occurred. - /// - // FIXME(#110897): return NonNull instead of lying about the lifetime. + /// The `self` reference must remain valid until the TLS destructor is run. #[inline] - pub unsafe fn get_or_init( - &self, - i: Option<&mut Option>, - f: impl FnOnce() -> T, - ) -> Option<&'static T> { - // SAFETY: - // No mutable reference to the inner value exists outside the calls to - // `replace`. The lifetime of the returned reference fulfills the terms - // outlined above. + pub unsafe fn get_or_init(&self, i: Option<&mut Option>, f: impl FnOnce() -> T) -> *const T { let state = unsafe { &*self.state.get() }; match state { - State::Alive(v) => Some(v), - State::Destroyed(_) => None, + State::Alive(v) => v, + State::Destroyed(_) => ptr::null(), State::Initial => unsafe { self.initialize(i, f) }, } } #[cold] - unsafe fn initialize( - &self, - i: Option<&mut Option>, - f: impl FnOnce() -> T, - ) -> Option<&'static T> { + unsafe fn initialize(&self, i: Option<&mut Option>, f: impl FnOnce() -> T) -> *const T { // Perform initialization let v = i.and_then(Option::take).unwrap_or_else(f); - // SAFETY: - // If references to the inner value exist, they were created in `f` - // and are invalidated here. The caller promises to never use them - // after this. let old = unsafe { self.state.get().replace(State::Alive(v)) }; match old { // If the variable is not being recursively initialized, register @@ -92,12 +74,10 @@ where val => drop(val), } - // SAFETY: - // Initialization was completed and the state was set to `Alive`, so the - // reference fulfills the terms outlined above. + // SAFETY: the state was just set to `Alive` unsafe { let State::Alive(v) = &*self.state.get() else { unreachable_unchecked() }; - Some(v) + v } } } diff --git a/library/std/src/sys/thread_local/fast_local/mod.rs b/library/std/src/sys/thread_local/fast_local/mod.rs index 25379071cb7a..5fc8226403d6 100644 --- a/library/std/src/sys/thread_local/fast_local/mod.rs +++ b/library/std/src/sys/thread_local/fast_local/mod.rs @@ -52,32 +52,26 @@ pub macro thread_local_inner { (@key $t:ty, const $init:expr) => {{ const __INIT: $t = $init; - #[inline] - #[deny(unsafe_op_in_unsafe_fn)] - unsafe fn __getit( - _init: $crate::option::Option<&mut $crate::option::Option<$t>>, - ) -> $crate::option::Option<&'static $t> { - use $crate::thread::local_impl::EagerStorage; - use $crate::mem::needs_drop; - use $crate::ptr::addr_of; - - if needs_drop::<$t>() { - #[thread_local] - static VAL: EagerStorage<$t> = EagerStorage::new(__INIT); - unsafe { - VAL.get() - } - } else { - #[thread_local] - static VAL: $t = __INIT; - unsafe { - $crate::option::Option::Some(&*addr_of!(VAL)) - } - } - } - unsafe { - $crate::thread::LocalKey::new(__getit) + use $crate::mem::needs_drop; + use $crate::thread::LocalKey; + use $crate::thread::local_impl::EagerStorage; + + LocalKey::new(const { + if needs_drop::<$t>() { + |_| { + #[thread_local] + static VAL: EagerStorage<$t> = EagerStorage::new(__INIT); + VAL.get() + } + } else { + |_| { + #[thread_local] + static VAL: $t = __INIT; + &VAL + } + } + }) } }}, @@ -88,31 +82,26 @@ pub macro thread_local_inner { $init } - #[inline] - #[deny(unsafe_op_in_unsafe_fn)] - unsafe fn __getit( - init: $crate::option::Option<&mut $crate::option::Option<$t>>, - ) -> $crate::option::Option<&'static $t> { - use $crate::thread::local_impl::LazyStorage; - use $crate::mem::needs_drop; - - if needs_drop::<$t>() { - #[thread_local] - static VAL: LazyStorage<$t, ()> = LazyStorage::new(); - unsafe { - VAL.get_or_init(init, __init) - } - } else { - #[thread_local] - static VAL: LazyStorage<$t, !> = LazyStorage::new(); - unsafe { - VAL.get_or_init(init, __init) - } - } - } - unsafe { - $crate::thread::LocalKey::new(__getit) + use $crate::mem::needs_drop; + use $crate::thread::LocalKey; + use $crate::thread::local_impl::LazyStorage; + + LocalKey::new(const { + if needs_drop::<$t>() { + |init| { + #[thread_local] + static VAL: LazyStorage<$t, ()> = LazyStorage::new(); + VAL.get_or_init(init, __init) + } + } else { + |init| { + #[thread_local] + static VAL: LazyStorage<$t, !> = LazyStorage::new(); + VAL.get_or_init(init, __init) + } + } + }) } }}, ($(#[$attr:meta])* $vis:vis $name:ident, $t:ty, $($init:tt)*) => { diff --git a/library/std/src/sys/thread_local/os_local.rs b/library/std/src/sys/thread_local/os_local.rs index d6ddbb78a9c8..ee5adef66eac 100644 --- a/library/std/src/sys/thread_local/os_local.rs +++ b/library/std/src/sys/thread_local/os_local.rs @@ -16,30 +16,22 @@ pub macro thread_local_inner { }, // used to generate the `LocalKey` value for `thread_local!` - (@key $t:ty, $init:expr) => { - { - #[inline] - fn __init() -> $t { $init } + (@key $t:ty, $init:expr) => {{ + #[inline] + fn __init() -> $t { $init } - // `#[inline] does not work on windows-gnu due to linking errors around dllimports. - // See https://github.com/rust-lang/rust/issues/109797. - #[cfg_attr(not(windows), inline)] - unsafe fn __getit( - init: $crate::option::Option<&mut $crate::option::Option<$t>>, - ) -> $crate::option::Option<&'static $t> { - use $crate::thread::local_impl::Key; + unsafe { + use $crate::thread::LocalKey; + use $crate::thread::local_impl::Key; - static __KEY: Key<$t> = Key::new(); - unsafe { - __KEY.get(init, __init) - } - } - - unsafe { - $crate::thread::LocalKey::new(__getit) - } + // Inlining does not work on windows-gnu due to linking errors around + // dllimports. See https://github.com/rust-lang/rust/issues/109797. + LocalKey::new(#[cfg_attr(windows, inline(never))] |init| { + static VAL: Key<$t> = Key::new(); + VAL.get(init, __init) + }) } - }, + }}, ($(#[$attr:meta])* $vis:vis $name:ident, $t:ty, $($init:tt)*) => { $(#[$attr])* $vis const $name: $crate::thread::LocalKey<$t> = $crate::thread::local_impl::thread_local_inner!(@key $t, $($init)*); @@ -67,38 +59,33 @@ impl Key { Key { os: OsKey::new(Some(destroy_value::)), marker: PhantomData } } - /// Get the value associated with this key, initializating it if necessary. + /// Get a pointer to the TLS value, potentially initializing it with the + /// provided parameters. If the TLS variable has been destroyed, a null + /// pointer is returned. /// - /// # Safety - /// * the returned reference must not be used after recursive initialization - /// or thread destruction occurs. - pub unsafe fn get( - &'static self, - i: Option<&mut Option>, - f: impl FnOnce() -> T, - ) -> Option<&'static T> { + /// The resulting pointer may not be used after reentrant inialialization + /// or thread destruction has occurred. + pub fn get(&'static self, i: Option<&mut Option>, f: impl FnOnce() -> T) -> *const T { // SAFETY: (FIXME: get should actually be safe) let ptr = unsafe { self.os.get() as *mut Value }; if ptr.addr() > 1 { // SAFETY: the check ensured the pointer is safe (its destructor // is not running) + it is coming from a trusted source (self). - unsafe { Some(&(*ptr).value) } + unsafe { &(*ptr).value } } else { - // SAFETY: At this point we are sure we have no value and so - // initializing (or trying to) is safe. - unsafe { self.try_initialize(ptr, i, f) } + self.try_initialize(ptr, i, f) } } - unsafe fn try_initialize( + fn try_initialize( &'static self, ptr: *mut Value, i: Option<&mut Option>, f: impl FnOnce() -> T, - ) -> Option<&'static T> { + ) -> *const T { if ptr.addr() == 1 { // destructor is running - return None; + return ptr::null(); } let value = i.and_then(Option::take).unwrap_or_else(f); @@ -119,7 +106,7 @@ impl Key { } // SAFETY: We just created this value above. - unsafe { Some(&(*ptr).value) } + unsafe { &(*ptr).value } } } diff --git a/library/std/src/sys/thread_local/static_local.rs b/library/std/src/sys/thread_local/static_local.rs index 6beda2e71880..0f08cab1ae4f 100644 --- a/library/std/src/sys/thread_local/static_local.rs +++ b/library/std/src/sys/thread_local/static_local.rs @@ -13,19 +13,14 @@ pub macro thread_local_inner { (@key $t:ty, const $init:expr) => {{ const __INIT: $t = $init; - #[inline] - #[deny(unsafe_op_in_unsafe_fn)] - unsafe fn __getit( - _init: $crate::option::Option<&mut $crate::option::Option<$t>>, - ) -> $crate::option::Option<&'static $t> { + unsafe { + use $crate::thread::LocalKey; use $crate::thread::local_impl::EagerStorage; - static VAL: EagerStorage<$t> = EagerStorage { value: __INIT }; - $crate::option::Option::Some(&VAL.value) - } - - unsafe { - $crate::thread::LocalKey::new(__getit) + LocalKey::new(|_| { + static VAL: EagerStorage<$t> = EagerStorage { value: __INIT }; + &VAL.value + }) } }}, @@ -34,19 +29,14 @@ pub macro thread_local_inner { #[inline] fn __init() -> $t { $init } - #[inline] - #[deny(unsafe_op_in_unsafe_fn)] - unsafe fn __getit( - init: $crate::option::Option<&mut $crate::option::Option<$t>>, - ) -> $crate::option::Option<&'static $t> { + unsafe { + use $crate::thread::LocalKey; use $crate::thread::local_impl::LazyStorage; - static VAL: LazyStorage<$t> = LazyStorage::new(); - unsafe { $crate::option::Option::Some(VAL.get(init, __init)) } - } - - unsafe { - $crate::thread::LocalKey::new(__getit) + LocalKey::new(|init| { + static VAL: LazyStorage<$t> = LazyStorage::new(); + VAL.get(init, __init) + }) } }}, ($(#[$attr:meta])* $vis:vis $name:ident, $t:ty, $($init:tt)*) => { @@ -73,16 +63,13 @@ impl LazyStorage { LazyStorage { value: UnsafeCell::new(None) } } - /// Gets a reference to the contained value, initializing it if necessary. + /// Get a pointer to the TLS value, potentially initializing it with the + /// provided parameters. /// - /// # Safety - /// The returned reference may not be used after reentrant initialization has occurred. + /// The resulting pointer may not be used after reentrant inialialization + /// has occurred. #[inline] - pub unsafe fn get( - &'static self, - i: Option<&mut Option>, - f: impl FnOnce() -> T, - ) -> &'static T { + pub fn get(&'static self, i: Option<&mut Option>, f: impl FnOnce() -> T) -> *const T { let value = unsafe { &*self.value.get() }; match value { Some(v) => v, @@ -91,11 +78,7 @@ impl LazyStorage { } #[cold] - unsafe fn initialize( - &'static self, - i: Option<&mut Option>, - f: impl FnOnce() -> T, - ) -> &'static T { + fn initialize(&'static self, i: Option<&mut Option>, f: impl FnOnce() -> T) -> *const T { let value = i.and_then(Option::take).unwrap_or_else(f); // Destroy the old value, after updating the TLS variable as the // destructor might reference it. diff --git a/library/std/src/thread/local.rs b/library/std/src/thread/local.rs index c1b4440e5608..aed185637fd1 100644 --- a/library/std/src/thread/local.rs +++ b/library/std/src/thread/local.rs @@ -123,7 +123,7 @@ pub struct LocalKey { // trivially devirtualizable by LLVM because the value of `inner` never // changes and the constant should be readonly within a crate. This mainly // only runs into problems when TLS statics are exported across crates. - inner: unsafe fn(Option<&mut Option>) -> Option<&'static T>, + inner: fn(Option<&mut Option>) -> *const T, } #[stable(feature = "std_debug", since = "1.16.0")] @@ -238,9 +238,7 @@ impl LocalKey { issue = "none" )] #[rustc_const_unstable(feature = "thread_local_internals", issue = "none")] - pub const unsafe fn new( - inner: unsafe fn(Option<&mut Option>) -> Option<&'static T>, - ) -> LocalKey { + pub const unsafe fn new(inner: fn(Option<&mut Option>) -> *const T) -> LocalKey { LocalKey { inner } } @@ -281,8 +279,7 @@ impl LocalKey { where F: FnOnce(&T) -> R, { - // SAFETY: `inner` is safe to call within the lifetime of the thread - let thread_local = unsafe { (self.inner)(None).ok_or(AccessError)? }; + let thread_local = unsafe { (self.inner)(None).as_ref().ok_or(AccessError)? }; Ok(f(thread_local)) } @@ -304,9 +301,8 @@ impl LocalKey { { let mut init = Some(init); - // SAFETY: `inner` is safe to call within the lifetime of the thread let reference = unsafe { - (self.inner)(Some(&mut init)).expect( + (self.inner)(Some(&mut init)).as_ref().expect( "cannot access a Thread Local Storage value \ during or after destruction", ) From 93a77f2812ae80fda57003a6877d09de7793541e Mon Sep 17 00:00:00 2001 From: cookie-s Date: Fri, 24 May 2024 20:27:12 -0400 Subject: [PATCH 0542/1716] [`nonminimal_bool`]: Deduplicate diagnostics --- clippy_lints/src/booleans.rs | 2 -- tests/ui/nonminimal_bool_methods.fixed | 2 -- tests/ui/nonminimal_bool_methods.rs | 2 -- tests/ui/nonminimal_bool_methods.stderr | 32 ++++++++++++------------- 4 files changed, 16 insertions(+), 22 deletions(-) diff --git a/clippy_lints/src/booleans.rs b/clippy_lints/src/booleans.rs index b6341b3fe8e7..61e90167d813 100644 --- a/clippy_lints/src/booleans.rs +++ b/clippy_lints/src/booleans.rs @@ -609,7 +609,5 @@ impl<'a, 'tcx> Visitor<'tcx> for NotSimplificationVisitor<'a, 'tcx> { Applicability::MachineApplicable, ); } - - walk_expr(self, expr); } } diff --git a/tests/ui/nonminimal_bool_methods.fixed b/tests/ui/nonminimal_bool_methods.fixed index aba599678e39..cc91ba6ec66e 100644 --- a/tests/ui/nonminimal_bool_methods.fixed +++ b/tests/ui/nonminimal_bool_methods.fixed @@ -1,5 +1,3 @@ -//@compile-flags: -Zdeduplicate-diagnostics=yes - #![allow(unused, clippy::diverging_sub_expression, clippy::needless_if)] #![warn(clippy::nonminimal_bool)] diff --git a/tests/ui/nonminimal_bool_methods.rs b/tests/ui/nonminimal_bool_methods.rs index 35f22db1d36a..c812f6f0ca4f 100644 --- a/tests/ui/nonminimal_bool_methods.rs +++ b/tests/ui/nonminimal_bool_methods.rs @@ -1,5 +1,3 @@ -//@compile-flags: -Zdeduplicate-diagnostics=yes - #![allow(unused, clippy::diverging_sub_expression, clippy::needless_if)] #![warn(clippy::nonminimal_bool)] diff --git a/tests/ui/nonminimal_bool_methods.stderr b/tests/ui/nonminimal_bool_methods.stderr index 18da4e0d380b..d7adc0638b37 100644 --- a/tests/ui/nonminimal_bool_methods.stderr +++ b/tests/ui/nonminimal_bool_methods.stderr @@ -1,5 +1,5 @@ error: this boolean expression can be simplified - --> tests/ui/nonminimal_bool_methods.rs:10:13 + --> tests/ui/nonminimal_bool_methods.rs:8:13 | LL | let _ = !a.is_some(); | ^^^^^^^^^^^^ help: try: `a.is_none()` @@ -8,91 +8,91 @@ LL | let _ = !a.is_some(); = help: to override `-D warnings` add `#[allow(clippy::nonminimal_bool)]` error: this boolean expression can be simplified - --> tests/ui/nonminimal_bool_methods.rs:12:13 + --> tests/ui/nonminimal_bool_methods.rs:10:13 | LL | let _ = !a.is_none(); | ^^^^^^^^^^^^ help: try: `a.is_some()` error: this boolean expression can be simplified - --> tests/ui/nonminimal_bool_methods.rs:14:13 + --> tests/ui/nonminimal_bool_methods.rs:12:13 | LL | let _ = !b.is_err(); | ^^^^^^^^^^^ help: try: `b.is_ok()` error: this boolean expression can be simplified - --> tests/ui/nonminimal_bool_methods.rs:16:13 + --> tests/ui/nonminimal_bool_methods.rs:14:13 | LL | let _ = !b.is_ok(); | ^^^^^^^^^^ help: try: `b.is_err()` error: this boolean expression can be simplified - --> tests/ui/nonminimal_bool_methods.rs:18:13 + --> tests/ui/nonminimal_bool_methods.rs:16:13 | LL | let _ = !(a.is_some() && !c); | ^^^^^^^^^^^^^^^^^^^^ help: try: `a.is_none() || c` error: this boolean expression can be simplified - --> tests/ui/nonminimal_bool_methods.rs:19:13 + --> tests/ui/nonminimal_bool_methods.rs:17:13 | LL | let _ = !(a.is_some() || !c); | ^^^^^^^^^^^^^^^^^^^^ help: try: `a.is_none() && c` error: this boolean expression can be simplified - --> tests/ui/nonminimal_bool_methods.rs:20:26 + --> tests/ui/nonminimal_bool_methods.rs:18:26 | LL | let _ = !(!c ^ c) || !a.is_some(); | ^^^^^^^^^^^^ help: try: `a.is_none()` error: this boolean expression can be simplified - --> tests/ui/nonminimal_bool_methods.rs:21:25 + --> tests/ui/nonminimal_bool_methods.rs:19:25 | LL | let _ = (!c ^ c) || !a.is_some(); | ^^^^^^^^^^^^ help: try: `a.is_none()` error: this boolean expression can be simplified - --> tests/ui/nonminimal_bool_methods.rs:22:23 + --> tests/ui/nonminimal_bool_methods.rs:20:23 | LL | let _ = !c ^ c || !a.is_some(); | ^^^^^^^^^^^^ help: try: `a.is_none()` error: this boolean expression can be simplified - --> tests/ui/nonminimal_bool_methods.rs:94:8 + --> tests/ui/nonminimal_bool_methods.rs:92:8 | LL | if !res.is_ok() {} | ^^^^^^^^^^^^ help: try: `res.is_err()` error: this boolean expression can be simplified - --> tests/ui/nonminimal_bool_methods.rs:95:8 + --> tests/ui/nonminimal_bool_methods.rs:93:8 | LL | if !res.is_err() {} | ^^^^^^^^^^^^^ help: try: `res.is_ok()` error: this boolean expression can be simplified - --> tests/ui/nonminimal_bool_methods.rs:98:8 + --> tests/ui/nonminimal_bool_methods.rs:96:8 | LL | if !res.is_some() {} | ^^^^^^^^^^^^^^ help: try: `res.is_none()` error: this boolean expression can be simplified - --> tests/ui/nonminimal_bool_methods.rs:99:8 + --> tests/ui/nonminimal_bool_methods.rs:97:8 | LL | if !res.is_none() {} | ^^^^^^^^^^^^^^ help: try: `res.is_some()` error: this boolean expression can be simplified - --> tests/ui/nonminimal_bool_methods.rs:115:8 + --> tests/ui/nonminimal_bool_methods.rs:113:8 | LL | if !(a as u64 >= b) {} | ^^^^^^^^^^^^^^^^ help: try: `(a as u64) < b` error: this boolean expression can be simplified - --> tests/ui/nonminimal_bool_methods.rs:116:8 + --> tests/ui/nonminimal_bool_methods.rs:114:8 | LL | if !((a as u64) >= b) {} | ^^^^^^^^^^^^^^^^^^ help: try: `(a as u64) < b` error: this boolean expression can be simplified - --> tests/ui/nonminimal_bool_methods.rs:117:8 + --> tests/ui/nonminimal_bool_methods.rs:115:8 | LL | if !(a as u64 <= b) {} | ^^^^^^^^^^^^^^^^ help: try: `a as u64 > b` From f4b9ac68f306f630b5167959d5ee90626a9d7d84 Mon Sep 17 00:00:00 2001 From: Jacob Lifshay Date: Fri, 24 May 2024 16:17:19 -0700 Subject: [PATCH 0543/1716] Add manual Sync impl for ReentrantLockGuard Fixes: #125526 --- library/std/src/sync/reentrant_lock.rs | 3 +++ tests/ui/sync/reentrantlockguard-sync.rs | 15 +++++++++++++++ tests/ui/sync/reentrantlockguard-sync.stderr | 20 ++++++++++++++++++++ 3 files changed, 38 insertions(+) create mode 100644 tests/ui/sync/reentrantlockguard-sync.rs create mode 100644 tests/ui/sync/reentrantlockguard-sync.stderr diff --git a/library/std/src/sync/reentrant_lock.rs b/library/std/src/sync/reentrant_lock.rs index 80b9e0cf1521..f7fe8eb1c7fd 100644 --- a/library/std/src/sync/reentrant_lock.rs +++ b/library/std/src/sync/reentrant_lock.rs @@ -116,6 +116,9 @@ pub struct ReentrantLockGuard<'a, T: ?Sized + 'a> { #[unstable(feature = "reentrant_lock", issue = "121440")] impl !Send for ReentrantLockGuard<'_, T> {} +#[unstable(feature = "reentrant_lock", issue = "121440")] +unsafe impl Sync for ReentrantLockGuard<'_, T> {} + #[unstable(feature = "reentrant_lock", issue = "121440")] impl ReentrantLock { /// Creates a new re-entrant lock in an unlocked state ready for use. diff --git a/tests/ui/sync/reentrantlockguard-sync.rs b/tests/ui/sync/reentrantlockguard-sync.rs new file mode 100644 index 000000000000..84d5b1834a88 --- /dev/null +++ b/tests/ui/sync/reentrantlockguard-sync.rs @@ -0,0 +1,15 @@ +#![feature(reentrant_lock)] +use std::sync::ReentrantLock; +use std::cell::Cell; + +// ReentrantLockGuard> must not be Sync, that would be unsound. + +fn test_sync(_t: T) {} + +fn main() +{ + let m = ReentrantLock::new(Cell::new(0i32)); + let guard = m.lock(); + test_sync(guard); + //~^ ERROR `Cell` cannot be shared between threads safely [E0277] +} diff --git a/tests/ui/sync/reentrantlockguard-sync.stderr b/tests/ui/sync/reentrantlockguard-sync.stderr new file mode 100644 index 000000000000..ed2e3e2f1124 --- /dev/null +++ b/tests/ui/sync/reentrantlockguard-sync.stderr @@ -0,0 +1,20 @@ +error[E0277]: `Cell` cannot be shared between threads safely + --> $DIR/reentrantlockguard-sync.rs:13:15 + | +LL | test_sync(guard); + | --------- ^^^^^ `Cell` cannot be shared between threads safely + | | + | required by a bound introduced by this call + | + = help: the trait `Sync` is not implemented for `Cell`, which is required by `ReentrantLockGuard<'_, Cell>: Sync` + = note: if you want to do aliasing and mutation between multiple threads, use `std::sync::RwLock` or `std::sync::atomic::AtomicI32` instead + = note: required for `ReentrantLockGuard<'_, Cell>` to implement `Sync` +note: required by a bound in `test_sync` + --> $DIR/reentrantlockguard-sync.rs:7:17 + | +LL | fn test_sync(_t: T) {} + | ^^^^ required by this bound in `test_sync` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0277`. From 9763222f592dad3e3fdda987491da3878f1c1410 Mon Sep 17 00:00:00 2001 From: Ben Kimock Date: Fri, 24 May 2024 16:14:40 -0400 Subject: [PATCH 0544/1716] Move the checks for Arguments constructors to inline const --- library/core/src/fmt/mod.rs | 18 +-- ...mes.foo.ScalarReplacementOfAggregates.diff | 130 ++++++++---------- tests/pretty/issue-4264.pp | 2 +- .../run-make/symbol-mangling-hashed/Makefile | 4 +- tests/ui/consts/const-eval/format.rs | 4 +- tests/ui/consts/const-eval/format.stderr | 4 +- 6 files changed, 75 insertions(+), 87 deletions(-) diff --git a/library/core/src/fmt/mod.rs b/library/core/src/fmt/mod.rs index 1324fb6e056b..c25bc5a1b13c 100644 --- a/library/core/src/fmt/mod.rs +++ b/library/core/src/fmt/mod.rs @@ -338,23 +338,19 @@ pub struct Arguments<'a> { impl<'a> Arguments<'a> { #[inline] #[rustc_const_unstable(feature = "const_fmt_arguments_new", issue = "none")] - pub const fn new_const(pieces: &'a [&'static str]) -> Self { - if pieces.len() > 1 { - // Since panic!() expands to panic_fmt(format_args!()), using panic! here is both a - // bit silly and also significantly increases the amount of MIR generated by panics. - crate::panicking::panic_nounwind("invalid args"); - } + pub const fn new_const(pieces: &'a [&'static str; N]) -> Self { + const { assert!(N <= 1) }; Arguments { pieces, fmt: None, args: &[] } } /// When using the format_args!() macro, this function is used to generate the /// Arguments structure. #[inline] - pub fn new_v1(pieces: &'a [&'static str], args: &'a [rt::Argument<'a>]) -> Arguments<'a> { - if pieces.len() < args.len() || pieces.len() > args.len() + 1 { - // See Arguments::new_const for why we don't use panic!. - crate::panicking::panic_nounwind("invalid args"); - } + pub fn new_v1( + pieces: &'a [&'static str; P], + args: &'a [rt::Argument<'a>; A], + ) -> Arguments<'a> { + const { assert!(P >= A && P <= A + 1, "invalid args") } Arguments { pieces, fmt: None, args } } diff --git a/tests/mir-opt/sroa/lifetimes.foo.ScalarReplacementOfAggregates.diff b/tests/mir-opt/sroa/lifetimes.foo.ScalarReplacementOfAggregates.diff index 0d518f78f6b5..819f3f86d145 100644 --- a/tests/mir-opt/sroa/lifetimes.foo.ScalarReplacementOfAggregates.diff +++ b/tests/mir-opt/sroa/lifetimes.foo.ScalarReplacementOfAggregates.diff @@ -11,30 +11,28 @@ let _9: (); let _10: (); let mut _11: std::fmt::Arguments<'_>; - let mut _12: &[&str]; - let mut _13: &[&str; 3]; - let _14: &[&str; 3]; - let _15: [&str; 3]; - let mut _16: &[core::fmt::rt::Argument<'_>]; - let mut _17: &[core::fmt::rt::Argument<'_>; 2]; - let _18: &[core::fmt::rt::Argument<'_>; 2]; - let _19: [core::fmt::rt::Argument<'_>; 2]; - let mut _20: core::fmt::rt::Argument<'_>; - let mut _21: &std::boxed::Box; - let _22: &std::boxed::Box; - let mut _23: core::fmt::rt::Argument<'_>; - let mut _24: &u32; - let _25: &u32; - let mut _27: bool; + let mut _12: &[&str; 3]; + let _13: &[&str; 3]; + let _14: [&str; 3]; + let mut _15: &[core::fmt::rt::Argument<'_>; 2]; + let _16: &[core::fmt::rt::Argument<'_>; 2]; + let _17: [core::fmt::rt::Argument<'_>; 2]; + let mut _18: core::fmt::rt::Argument<'_>; + let mut _19: &std::boxed::Box; + let _20: &std::boxed::Box; + let mut _21: core::fmt::rt::Argument<'_>; + let mut _22: &u32; + let _23: &u32; + let mut _25: bool; + let mut _26: isize; + let mut _27: isize; let mut _28: isize; - let mut _29: isize; - let mut _30: isize; -+ let _31: std::result::Result, ::Err>; -+ let _32: u32; ++ let _29: std::result::Result, ::Err>; ++ let _30: u32; scope 1 { - debug foo => _1; -+ debug ((foo: Foo).0: std::result::Result, ::Err>) => _31; -+ debug ((foo: Foo).1: u32) => _32; ++ debug ((foo: Foo).0: std::result::Result, ::Err>) => _29; ++ debug ((foo: Foo).1: u32) => _30; let _5: std::result::Result, ::Err>; scope 2 { debug x => _5; @@ -44,17 +42,17 @@ scope 4 { debug x => _8; let _8: std::boxed::Box; - let mut _26: &[&str; 3]; + let mut _24: &[&str; 3]; } } } } bb0: { - _27 = const false; + _25 = const false; - StorageLive(_1); -+ StorageLive(_31); -+ StorageLive(_32); ++ StorageLive(_29); ++ StorageLive(_30); + nop; StorageLive(_2); StorageLive(_3); @@ -68,83 +66,77 @@ _2 = Result::, ::Err>::Ok(move _3); StorageDead(_3); - _1 = Foo:: { x: move _2, y: const 7_u32 }; -+ _31 = move _2; -+ _32 = const 7_u32; ++ _29 = move _2; ++ _30 = const 7_u32; + nop; StorageDead(_2); StorageLive(_5); - _27 = const true; + _25 = const true; - _5 = move (_1.0: std::result::Result, ::Err>); -+ _5 = move _31; ++ _5 = move _29; StorageLive(_6); - _6 = (_1.1: u32); -+ _6 = _32; ++ _6 = _30; _7 = discriminant(_5); switchInt(move _7) -> [0: bb2, otherwise: bb7]; } bb2: { StorageLive(_8); - _27 = const false; + _25 = const false; _8 = move ((_5 as Ok).0: std::boxed::Box); StorageLive(_9); StorageLive(_10); StorageLive(_11); StorageLive(_12); StorageLive(_13); - StorageLive(_14); - _26 = const foo::::promoted[0]; - _14 = &(*_26); - _13 = &(*_14); - _12 = move _13 as &[&str] (PointerCoercion(Unsize)); - StorageDead(_13); + _24 = const foo::::promoted[0]; + _13 = &(*_24); + _12 = &(*_13); + StorageLive(_15); StorageLive(_16); StorageLive(_17); StorageLive(_18); StorageLive(_19); StorageLive(_20); - StorageLive(_21); - StorageLive(_22); - _22 = &_8; - _21 = &(*_22); - _20 = core::fmt::rt::Argument::<'_>::new_display::>(move _21) -> [return: bb3, unwind unreachable]; + _20 = &_8; + _19 = &(*_20); + _18 = core::fmt::rt::Argument::<'_>::new_display::>(move _19) -> [return: bb3, unwind unreachable]; } bb3: { - StorageDead(_21); + StorageDead(_19); + StorageLive(_21); + StorageLive(_22); StorageLive(_23); - StorageLive(_24); - StorageLive(_25); - _25 = &_6; - _24 = &(*_25); - _23 = core::fmt::rt::Argument::<'_>::new_display::(move _24) -> [return: bb4, unwind unreachable]; + _23 = &_6; + _22 = &(*_23); + _21 = core::fmt::rt::Argument::<'_>::new_display::(move _22) -> [return: bb4, unwind unreachable]; } bb4: { - StorageDead(_24); - _19 = [move _20, move _23]; - StorageDead(_23); - StorageDead(_20); - _18 = &_19; - _17 = &(*_18); - _16 = move _17 as &[core::fmt::rt::Argument<'_>] (PointerCoercion(Unsize)); - StorageDead(_17); - _11 = Arguments::<'_>::new_v1(move _12, move _16) -> [return: bb5, unwind unreachable]; + StorageDead(_22); + _17 = [move _18, move _21]; + StorageDead(_21); + StorageDead(_18); + _16 = &_17; + _15 = &(*_16); + _11 = Arguments::<'_>::new_v1::<3, 2>(move _12, move _15) -> [return: bb5, unwind unreachable]; } bb5: { - StorageDead(_16); + StorageDead(_15); StorageDead(_12); _10 = _eprint(move _11) -> [return: bb6, unwind unreachable]; } bb6: { StorageDead(_11); - StorageDead(_25); - StorageDead(_22); - StorageDead(_19); - StorageDead(_18); - StorageDead(_14); + StorageDead(_23); + StorageDead(_20); + StorageDead(_17); + StorageDead(_16); + StorageDead(_13); StorageDead(_10); _9 = const (); StorageDead(_9); @@ -164,22 +156,22 @@ bb9: { StorageDead(_6); - _28 = discriminant(_5); - switchInt(move _28) -> [0: bb11, otherwise: bb13]; + _26 = discriminant(_5); + switchInt(move _26) -> [0: bb11, otherwise: bb13]; } bb10: { - _27 = const false; + _25 = const false; StorageDead(_5); - StorageDead(_1); -+ StorageDead(_31); -+ StorageDead(_32); ++ StorageDead(_29); ++ StorageDead(_30); + nop; return; } bb11: { - switchInt(_27) -> [0: bb10, otherwise: bb12]; + switchInt(_25) -> [0: bb10, otherwise: bb12]; } bb12: { diff --git a/tests/pretty/issue-4264.pp b/tests/pretty/issue-4264.pp index 4d43db5716e3..018ccf82daeb 100644 --- a/tests/pretty/issue-4264.pp +++ b/tests/pretty/issue-4264.pp @@ -34,7 +34,7 @@ fn bar() ({ ((::alloc::fmt::format as for<'a> fn(Arguments<'a>) -> String {format})(((format_arguments::new_const as - fn(&[&'static str]) -> Arguments<'_> {Arguments::<'_>::new_const})((&([("test" + fn(&[&'static str; 1]) -> Arguments<'_> {Arguments::<'_>::new_const::<1>})((&([("test" as &str)] as [&str; 1]) as &[&str; 1])) as Arguments<'_>)) as String); (res as String) diff --git a/tests/run-make/symbol-mangling-hashed/Makefile b/tests/run-make/symbol-mangling-hashed/Makefile index 68894b2192ab..c95036ead958 100644 --- a/tests/run-make/symbol-mangling-hashed/Makefile +++ b/tests/run-make/symbol-mangling-hashed/Makefile @@ -35,10 +35,10 @@ all: # Check hashed symbol name [ "$$($(NM) $(TMPDIR)/$(DYLIB_NAME) | grep -c hello)" -eq "0" ] - [ "$$($(NM) $(TMPDIR)/$(DYLIB_NAME) | grep _RNxC7a_dylib | grep -c ' T ')" -eq "1" ] + [ "$$($(NM) $(TMPDIR)/$(DYLIB_NAME) | grep _RNxC7a_dylib | grep -c ' T ')" -eq "2" ] [ "$$($(NM) $(TMPDIR)/$(SO_NAME) | grep b_dylib | grep -c hello)" -eq "1" ] - [ "$$($(NM) $(TMPDIR)/$(SO_NAME) | grep _RNxC6a_rlib | grep -c ' T ')" -eq "1" ] + [ "$$($(NM) $(TMPDIR)/$(SO_NAME) | grep _RNxC6a_rlib | grep -c ' T ')" -eq "2" ] [ "$$($(NM) $(TMPDIR)/$(SO_NAME) | grep _RNxC7a_dylib | grep -c ' U ')" -eq "1" ] [ "$$($(NM) $(TMPDIR)/$(BIN_NAME) | grep _RNxC6a_rlib | grep -c ' U ')" -eq "1" ] diff --git a/tests/ui/consts/const-eval/format.rs b/tests/ui/consts/const-eval/format.rs index 5bdb2bf19543..b12df824a337 100644 --- a/tests/ui/consts/const-eval/format.rs +++ b/tests/ui/consts/const-eval/format.rs @@ -1,13 +1,13 @@ const fn failure() { panic!("{:?}", 0); //~^ ERROR cannot call non-const formatting macro in constant functions - //~| ERROR cannot call non-const fn `Arguments::<'_>::new_v1` in constant functions + //~| ERROR cannot call non-const fn `Arguments::<'_>::new_v1::<1, 1>` in constant functions } const fn print() { println!("{:?}", 0); //~^ ERROR cannot call non-const formatting macro in constant functions - //~| ERROR cannot call non-const fn `Arguments::<'_>::new_v1` in constant functions + //~| ERROR cannot call non-const fn `Arguments::<'_>::new_v1::<2, 1>` in constant functions //~| ERROR cannot call non-const fn `_print` in constant functions } diff --git a/tests/ui/consts/const-eval/format.stderr b/tests/ui/consts/const-eval/format.stderr index 434b07443044..ce3f9f2190e5 100644 --- a/tests/ui/consts/const-eval/format.stderr +++ b/tests/ui/consts/const-eval/format.stderr @@ -7,7 +7,7 @@ LL | panic!("{:?}", 0); = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants = note: this error originates in the macro `$crate::const_format_args` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) -error[E0015]: cannot call non-const fn `Arguments::<'_>::new_v1` in constant functions +error[E0015]: cannot call non-const fn `Arguments::<'_>::new_v1::<1, 1>` in constant functions --> $DIR/format.rs:2:5 | LL | panic!("{:?}", 0); @@ -25,7 +25,7 @@ LL | println!("{:?}", 0); = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) -error[E0015]: cannot call non-const fn `Arguments::<'_>::new_v1` in constant functions +error[E0015]: cannot call non-const fn `Arguments::<'_>::new_v1::<2, 1>` in constant functions --> $DIR/format.rs:8:5 | LL | println!("{:?}", 0); From 18cb2fa851e13879f182b19883541f66719b714f Mon Sep 17 00:00:00 2001 From: Ben Kimock Date: Fri, 24 May 2024 21:23:12 -0400 Subject: [PATCH 0545/1716] Stabilize the runtime of libtest-padding The body of these benchmarks is close to empty but not literally empty. This was making the runtime of the benchmarks (which are compiled without optimizations!) flicker between 9 ns and 10 ns runtime, which changes the padding and breaks the test. Recent changes to the standard library have pushed the runtime closer to 10 ns when unoptimized, which is why we haven't seen such failures before in CI. Contributors can also induce such failures before this PR by running the run-make tests while the system is under heavy load. --- tests/run-make/libtest-padding/tests.rs | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/tests/run-make/libtest-padding/tests.rs b/tests/run-make/libtest-padding/tests.rs index cadf07237e95..97a99b47b5c7 100644 --- a/tests/run-make/libtest-padding/tests.rs +++ b/tests/run-make/libtest-padding/tests.rs @@ -8,11 +8,7 @@ fn short_test_name() {} fn this_is_a_really_long_test_name() {} #[bench] -fn short_bench_name(b: &mut test::Bencher) { - b.iter(|| 1); -} +fn short_bench_name(b: &mut test::Bencher) {} #[bench] -fn this_is_a_really_long_bench_name(b: &mut test::Bencher) { - b.iter(|| 1); -} +fn this_is_a_really_long_bench_name(b: &mut test::Bencher) {} From 045f448e26257c7b19bf6d68c8e5e9d09ab4df79 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Fri, 24 May 2024 15:17:34 -0400 Subject: [PATCH 0546/1716] Don't eagerly monomorphize drop for types that are impossible to instantiate --- compiler/rustc_monomorphize/src/collector.rs | 9 +++++++++ tests/ui/codegen/mono-impossible-drop.rs | 18 ++++++++++++++++++ 2 files changed, 27 insertions(+) create mode 100644 tests/ui/codegen/mono-impossible-drop.rs diff --git a/compiler/rustc_monomorphize/src/collector.rs b/compiler/rustc_monomorphize/src/collector.rs index 76972ff2263d..9487692662bb 100644 --- a/compiler/rustc_monomorphize/src/collector.rs +++ b/compiler/rustc_monomorphize/src/collector.rs @@ -1434,6 +1434,15 @@ impl<'v> RootCollector<'_, 'v> { { debug!("RootCollector: ADT drop-glue for `{id:?}`",); + // This type is impossible to instantiate, so we should not try to + // generate a `drop_in_place` instance for it. + if self.tcx.instantiate_and_check_impossible_predicates(( + id.owner_id.to_def_id(), + ty::List::empty(), + )) { + return; + } + let ty = self.tcx.type_of(id.owner_id.to_def_id()).no_bound_vars().unwrap(); visit_drop_use(self.tcx, ty, true, DUMMY_SP, self.output); } diff --git a/tests/ui/codegen/mono-impossible-drop.rs b/tests/ui/codegen/mono-impossible-drop.rs new file mode 100644 index 000000000000..dec013cfe54b --- /dev/null +++ b/tests/ui/codegen/mono-impossible-drop.rs @@ -0,0 +1,18 @@ +//@ compile-flags: -Clink-dead-code=on --crate-type=lib +//@ build-pass + +#![feature(trivial_bounds)] +#![allow(trivial_bounds)] + +// Make sure we don't monomorphize the drop impl for `Baz`, since it has predicates +// that don't hold under a reveal-all param env. + +trait Foo { + type Assoc; +} + +struct Bar; + +struct Baz(::Assoc) +where + Bar: Foo; From b6350e94f7cf3f16caaf163e5406fd77c1cbd070 Mon Sep 17 00:00:00 2001 From: cookie-s Date: Fri, 24 May 2024 20:34:29 -0400 Subject: [PATCH 0547/1716] [`nonminimal_bool`]: Remove NotSimplificationVisitor --- clippy_lints/src/booleans.rs | 47 +++++++++++++++--------------------- 1 file changed, 20 insertions(+), 27 deletions(-) diff --git a/clippy_lints/src/booleans.rs b/clippy_lints/src/booleans.rs index 61e90167d813..b52d8f454aed 100644 --- a/clippy_lints/src/booleans.rs +++ b/clippy_lints/src/booleans.rs @@ -174,6 +174,25 @@ fn check_inverted_bool_in_condition( ); } +fn check_simplify_not(cx: &LateContext<'_>, expr: &Expr<'_>) { + if let ExprKind::Unary(UnOp::Not, inner) = &expr.kind + && !expr.span.from_expansion() + && !inner.span.from_expansion() + && let Some(suggestion) = simplify_not(cx, inner) + && cx.tcx.lint_level_at_node(NONMINIMAL_BOOL, expr.hir_id).0 != Level::Allow + { + span_lint_and_sugg( + cx, + NONMINIMAL_BOOL, + expr.span, + "this boolean expression can be simplified", + "try", + suggestion, + Applicability::MachineApplicable, + ); + } +} + struct NonminimalBoolVisitor<'a, 'tcx> { cx: &'a LateContext<'tcx>, } @@ -542,8 +561,7 @@ impl<'a, 'tcx> NonminimalBoolVisitor<'a, 'tcx> { } }; if improvements.is_empty() { - let mut visitor = NotSimplificationVisitor { cx: self.cx }; - visitor.visit_expr(e); + check_simplify_not(self.cx, e); } else { nonminimal_bool_lint( improvements @@ -586,28 +604,3 @@ fn implements_ord(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { .get_diagnostic_item(sym::Ord) .map_or(false, |id| implements_trait(cx, ty, id, &[])) } - -struct NotSimplificationVisitor<'a, 'tcx> { - cx: &'a LateContext<'tcx>, -} - -impl<'a, 'tcx> Visitor<'tcx> for NotSimplificationVisitor<'a, 'tcx> { - fn visit_expr(&mut self, expr: &'tcx Expr<'_>) { - if let ExprKind::Unary(UnOp::Not, inner) = &expr.kind - && !expr.span.from_expansion() - && !inner.span.from_expansion() - && let Some(suggestion) = simplify_not(self.cx, inner) - && self.cx.tcx.lint_level_at_node(NONMINIMAL_BOOL, expr.hir_id).0 != Level::Allow - { - span_lint_and_sugg( - self.cx, - NONMINIMAL_BOOL, - expr.span, - "this boolean expression can be simplified", - "try", - suggestion, - Applicability::MachineApplicable, - ); - } - } -} From 278212342ec2b2659c0e5b6e0038642fb6f37347 Mon Sep 17 00:00:00 2001 From: SparrowLii Date: Sat, 25 May 2024 10:38:18 +0800 Subject: [PATCH 0548/1716] cleanup dependence of `ExtCtxt` in transcribe when macro expansion --- compiler/rustc_expand/src/mbe/macro_rules.rs | 3 +- compiler/rustc_expand/src/mbe/transcribe.rs | 60 ++++++++++---------- 2 files changed, 31 insertions(+), 32 deletions(-) diff --git a/compiler/rustc_expand/src/mbe/macro_rules.rs b/compiler/rustc_expand/src/mbe/macro_rules.rs index 8f18055f8381..8349727ade7f 100644 --- a/compiler/rustc_expand/src/mbe/macro_rules.rs +++ b/compiler/rustc_expand/src/mbe/macro_rules.rs @@ -224,7 +224,8 @@ fn expand_macro<'cx>( let arm_span = rhses[i].span(); // rhs has holes ( `$id` and `$(...)` that need filled) - let tts = match transcribe(cx, &named_matches, rhs, rhs_span, transparency) { + let id = cx.current_expansion.id; + let tts = match transcribe(psess, &named_matches, rhs, rhs_span, transparency, id) { Ok(tts) => tts, Err(err) => { let guar = err.emit(); diff --git a/compiler/rustc_expand/src/mbe/transcribe.rs b/compiler/rustc_expand/src/mbe/transcribe.rs index 3901b82eb52e..5c2b9198a89d 100644 --- a/compiler/rustc_expand/src/mbe/transcribe.rs +++ b/compiler/rustc_expand/src/mbe/transcribe.rs @@ -1,4 +1,3 @@ -use crate::base::ExtCtxt; use crate::errors::{ CountRepetitionMisplaced, MetaVarExprUnrecognizedVar, MetaVarsDifSeqMatchers, MustRepeatOnce, NoSyntaxVarsExprRepeat, VarStillRepeating, @@ -9,12 +8,13 @@ use rustc_ast::mut_visit::{self, MutVisitor}; use rustc_ast::token::{self, Delimiter, Token, TokenKind}; use rustc_ast::tokenstream::{DelimSpacing, DelimSpan, Spacing, TokenStream, TokenTree}; use rustc_data_structures::fx::FxHashMap; -use rustc_errors::{pluralize, Diag, PResult}; +use rustc_errors::{pluralize, Diag, DiagCtxt, PResult}; use rustc_parse::parser::ParseNtResult; use rustc_span::hygiene::{LocalExpnId, Transparency}; use rustc_span::symbol::{sym, Ident, MacroRulesNormalizedIdent}; use rustc_span::{with_metavar_spans, Span, SyntaxContext}; +use rustc_session::parse::ParseSess; use smallvec::{smallvec, SmallVec}; use std::mem; @@ -99,11 +99,12 @@ impl<'a> Iterator for Frame<'a> { /// /// Along the way, we do some additional error checking. pub(super) fn transcribe<'a>( - cx: &ExtCtxt<'a>, + psess: &'a ParseSess, interp: &FxHashMap, src: &mbe::Delimited, src_span: DelimSpan, transparency: Transparency, + expand_id: LocalExpnId, ) -> PResult<'a, TokenStream> { // Nothing for us to transcribe... if src.tts.is_empty() { @@ -137,8 +138,9 @@ pub(super) fn transcribe<'a>( // again, and we are done transcribing. let mut result: Vec = Vec::new(); let mut result_stack = Vec::new(); - let mut marker = Marker(cx.current_expansion.id, transparency, Default::default()); + let mut marker = Marker(expand_id, transparency, Default::default()); + let dcx = &psess.dcx; loop { // Look at the last frame on the stack. // If it still has a TokenTree we have not looked at yet, use that tree. @@ -201,9 +203,7 @@ pub(super) fn transcribe<'a>( seq @ mbe::TokenTree::Sequence(_, seq_rep) => { match lockstep_iter_size(seq, interp, &repeats) { LockstepIterSize::Unconstrained => { - return Err(cx - .dcx() - .create_err(NoSyntaxVarsExprRepeat { span: seq.span() })); + return Err(dcx.create_err(NoSyntaxVarsExprRepeat { span: seq.span() })); } LockstepIterSize::Contradiction(msg) => { @@ -211,9 +211,9 @@ pub(super) fn transcribe<'a>( // happens when two meta-variables are used in the same repetition in a // sequence, but they come from different sequence matchers and repeat // different amounts. - return Err(cx - .dcx() - .create_err(MetaVarsDifSeqMatchers { span: seq.span(), msg })); + return Err( + dcx.create_err(MetaVarsDifSeqMatchers { span: seq.span(), msg }) + ); } LockstepIterSize::Constraint(len, _) => { @@ -227,9 +227,7 @@ pub(super) fn transcribe<'a>( // FIXME: this really ought to be caught at macro definition // time... It happens when the Kleene operator in the matcher and // the body for the same meta-variable do not match. - return Err(cx - .dcx() - .create_err(MustRepeatOnce { span: sp.entire() })); + return Err(dcx.create_err(MustRepeatOnce { span: sp.entire() })); } } else { // 0 is the initial counter (we have done 0 repetitions so far). `len` @@ -259,7 +257,7 @@ pub(super) fn transcribe<'a>( MatchedSingle(ParseNtResult::Tt(tt)) => { // `tt`s are emitted into the output stream directly as "raw tokens", // without wrapping them into groups. - maybe_use_metavar_location(cx, &stack, sp, tt, &mut marker) + maybe_use_metavar_location(psess, &stack, sp, tt, &mut marker) } MatchedSingle(ParseNtResult::Ident(ident, is_raw)) => { marker.visit_span(&mut sp); @@ -280,7 +278,7 @@ pub(super) fn transcribe<'a>( } MatchedSeq(..) => { // We were unable to descend far enough. This is an error. - return Err(cx.dcx().create_err(VarStillRepeating { span: sp, ident })); + return Err(dcx.create_err(VarStillRepeating { span: sp, ident })); } }; result.push(tt) @@ -299,7 +297,7 @@ pub(super) fn transcribe<'a>( // Replace meta-variable expressions with the result of their expansion. mbe::TokenTree::MetaVarExpr(sp, expr) => { - transcribe_metavar_expr(cx, expr, interp, &mut marker, &repeats, &mut result, sp)?; + transcribe_metavar_expr(dcx, expr, interp, &mut marker, &repeats, &mut result, sp)?; } // If we are entering a new delimiter, we push its contents to the `stack` to be @@ -359,7 +357,7 @@ pub(super) fn transcribe<'a>( /// combine with each other and not with tokens outside of the sequence. /// - The metavariable span comes from a different crate, then we prefer the more local span. fn maybe_use_metavar_location( - cx: &ExtCtxt<'_>, + psess: &ParseSess, stack: &[Frame<'_>], mut metavar_span: Span, orig_tt: &TokenTree, @@ -397,7 +395,7 @@ fn maybe_use_metavar_location( && insert(mspans, dspan.entire(), metavar_span) }), }; - if no_collision || cx.source_map().is_imported(metavar_span) { + if no_collision || psess.source_map().is_imported(metavar_span) { return orig_tt.clone(); } @@ -558,7 +556,7 @@ fn lockstep_iter_size( /// * `[ $( ${count(foo, 1)} ),* ]` will return an error because `${count(foo, 1)}` is /// declared inside a single repetition and the index `1` implies two nested repetitions. fn count_repetitions<'a>( - cx: &ExtCtxt<'a>, + dcx: &'a DiagCtxt, depth_user: usize, mut matched: &NamedMatch, repeats: &[(usize, usize)], @@ -595,7 +593,7 @@ fn count_repetitions<'a>( .and_then(|el| el.checked_sub(repeats.len())) .unwrap_or_default(); if depth_user > depth_max { - return Err(out_of_bounds_err(cx, depth_max + 1, sp.entire(), "count")); + return Err(out_of_bounds_err(dcx, depth_max + 1, sp.entire(), "count")); } // `repeats` records all of the nested levels at which we are currently @@ -611,7 +609,7 @@ fn count_repetitions<'a>( } if let MatchedSingle(_) = matched { - return Err(cx.dcx().create_err(CountRepetitionMisplaced { span: sp.entire() })); + return Err(dcx.create_err(CountRepetitionMisplaced { span: sp.entire() })); } count(depth_user, depth_max, matched) @@ -619,7 +617,7 @@ fn count_repetitions<'a>( /// Returns a `NamedMatch` item declared on the LHS given an arbitrary [Ident] fn matched_from_ident<'ctx, 'interp, 'rslt>( - cx: &ExtCtxt<'ctx>, + dcx: &'ctx DiagCtxt, ident: Ident, interp: &'interp FxHashMap, ) -> PResult<'ctx, &'rslt NamedMatch> @@ -628,12 +626,12 @@ where { let span = ident.span; let key = MacroRulesNormalizedIdent::new(ident); - interp.get(&key).ok_or_else(|| cx.dcx().create_err(MetaVarExprUnrecognizedVar { span, key })) + interp.get(&key).ok_or_else(|| dcx.create_err(MetaVarExprUnrecognizedVar { span, key })) } /// Used by meta-variable expressions when an user input is out of the actual declared bounds. For /// example, index(999999) in an repetition of only three elements. -fn out_of_bounds_err<'a>(cx: &ExtCtxt<'a>, max: usize, span: Span, ty: &str) -> Diag<'a> { +fn out_of_bounds_err<'a>(dcx: &'a DiagCtxt, max: usize, span: Span, ty: &str) -> Diag<'a> { let msg = if max == 0 { format!( "meta-variable expression `{ty}` with depth parameter \ @@ -645,11 +643,11 @@ fn out_of_bounds_err<'a>(cx: &ExtCtxt<'a>, max: usize, span: Span, ty: &str) -> must be less than {max}" ) }; - cx.dcx().struct_span_err(span, msg) + dcx.struct_span_err(span, msg) } fn transcribe_metavar_expr<'a>( - cx: &ExtCtxt<'a>, + dcx: &'a DiagCtxt, expr: &MetaVarExpr, interp: &FxHashMap, marker: &mut Marker, @@ -664,8 +662,8 @@ fn transcribe_metavar_expr<'a>( }; match *expr { MetaVarExpr::Count(original_ident, depth) => { - let matched = matched_from_ident(cx, original_ident, interp)?; - let count = count_repetitions(cx, depth, matched, repeats, sp)?; + let matched = matched_from_ident(dcx, original_ident, interp)?; + let count = count_repetitions(dcx, depth, matched, repeats, sp)?; let tt = TokenTree::token_alone( TokenKind::lit(token::Integer, sym::integer(count), None), visited_span(), @@ -674,7 +672,7 @@ fn transcribe_metavar_expr<'a>( } MetaVarExpr::Ignore(original_ident) => { // Used to ensure that `original_ident` is present in the LHS - let _ = matched_from_ident(cx, original_ident, interp)?; + let _ = matched_from_ident(dcx, original_ident, interp)?; } MetaVarExpr::Index(depth) => match repeats.iter().nth_back(depth) { Some((index, _)) => { @@ -683,7 +681,7 @@ fn transcribe_metavar_expr<'a>( visited_span(), )); } - None => return Err(out_of_bounds_err(cx, repeats.len(), sp.entire(), "index")), + None => return Err(out_of_bounds_err(dcx, repeats.len(), sp.entire(), "index")), }, MetaVarExpr::Len(depth) => match repeats.iter().nth_back(depth) { Some((_, length)) => { @@ -692,7 +690,7 @@ fn transcribe_metavar_expr<'a>( visited_span(), )); } - None => return Err(out_of_bounds_err(cx, repeats.len(), sp.entire(), "len")), + None => return Err(out_of_bounds_err(dcx, repeats.len(), sp.entire(), "len")), }, } Ok(()) From 41d4a95fcaa49560a8b6cd2048ed5ef4bfdfa7c1 Mon Sep 17 00:00:00 2001 From: Santiago Pastorino Date: Fri, 24 May 2024 23:58:00 -0300 Subject: [PATCH 0549/1716] Add "better" edition handling on lint-docs tool --- compiler/rustc_lint_defs/src/builtin.rs | 4 ++-- src/tools/lint-docs/src/lib.rs | 15 ++++++++++++--- 2 files changed, 14 insertions(+), 5 deletions(-) diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs index 536945457724..8727dcfad9ab 100644 --- a/compiler/rustc_lint_defs/src/builtin.rs +++ b/compiler/rustc_lint_defs/src/builtin.rs @@ -3803,7 +3803,7 @@ declare_lint! { /// /// ### Example /// - /// ```rust,compile_fail + /// ```rust,edition2018,compile_fail /// #![deny(rust_2021_incompatible_or_patterns)] /// /// macro_rules! match_any { @@ -3843,7 +3843,7 @@ declare_lint! { /// /// ### Example /// - /// ```rust,compile_fail + /// ```rust,edition2018,compile_fail /// #![deny(rust_2021_prelude_collisions)] /// /// trait Foo { diff --git a/src/tools/lint-docs/src/lib.rs b/src/tools/lint-docs/src/lib.rs index 22ab576b0776..c79b377727ab 100644 --- a/src/tools/lint-docs/src/lib.rs +++ b/src/tools/lint-docs/src/lib.rs @@ -441,10 +441,19 @@ impl<'a> LintExtractor<'a> { fs::write(&tempfile, source) .map_err(|e| format!("failed to write {}: {}", tempfile.display(), e))?; let mut cmd = Command::new(self.rustc_path); - if options.contains(&"edition2015") { - cmd.arg("--edition=2015"); - } else { + if options.contains(&"edition2024") { + cmd.arg("--edition=2024"); + } else if options.contains(&"edition2021") { + cmd.arg("--edition=2021"); + } else if options.contains(&"edition2018") { cmd.arg("--edition=2018"); + } else if options.contains(&"edition2015") { + cmd.arg("--edition=2015"); + } else if options.contains(&"edition") { + panic!("lint-docs: unknown edition"); + } else { + // defaults to latest edition + cmd.arg("--edition=2021"); } cmd.arg("--error-format=json"); cmd.arg("--target").arg(self.rustc_target); From 3cfcfbf083b831a303980665a54afc2c9dcae849 Mon Sep 17 00:00:00 2001 From: The Miri Cronjob Bot Date: Sat, 25 May 2024 05:15:32 +0000 Subject: [PATCH 0550/1716] Preparing for merge from rustc --- src/tools/miri/rust-version | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/miri/rust-version b/src/tools/miri/rust-version index d3840775da96..aa06a0dbcdc5 100644 --- a/src/tools/miri/rust-version +++ b/src/tools/miri/rust-version @@ -1 +1 @@ -78dd504f2fd87c0cfabff7d9174253411caf2f80 +21e6de7eb64c09102de3f100420a09edc1a2a8d7 From 56dddd4c7e53d6b40293e31426f7925a7663e34e Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Sat, 25 May 2024 10:34:33 +0300 Subject: [PATCH 0551/1716] Remove deprecated field `dist.missing-tools` It's been 5 months since this field was deprecated. Signed-off-by: onur-ozkan --- config.example.toml | 3 --- src/bootstrap/src/core/config/config.rs | 4 ---- 2 files changed, 7 deletions(-) diff --git a/config.example.toml b/config.example.toml index 228521747ede..61655dad6385 100644 --- a/config.example.toml +++ b/config.example.toml @@ -904,9 +904,6 @@ # on linux #src-tarball = true -# Whether to allow failures when building tools -#missing-tools = false - # List of compression formats to use when generating dist tarballs. The list of # formats is provided to rust-installer, which must support all of them. # diff --git a/src/bootstrap/src/core/config/config.rs b/src/bootstrap/src/core/config/config.rs index 19119a073c5f..54c900a36b8f 100644 --- a/src/bootstrap/src/core/config/config.rs +++ b/src/bootstrap/src/core/config/config.rs @@ -314,7 +314,6 @@ pub struct Config { pub save_toolstates: Option, pub print_step_timings: bool, pub print_step_rusage: bool, - pub missing_tools: bool, // FIXME: Deprecated field. Remove it at 2024. // Fallback musl-root for all targets pub musl_root: Option, @@ -892,7 +891,6 @@ define_config! { sign_folder: Option = "sign-folder", upload_addr: Option = "upload-addr", src_tarball: Option = "src-tarball", - missing_tools: Option = "missing-tools", compression_formats: Option> = "compression-formats", compression_profile: Option = "compression-profile", include_mingw_linker: Option = "include-mingw-linker", @@ -1923,7 +1921,6 @@ impl Config { sign_folder, upload_addr, src_tarball, - missing_tools, compression_formats, compression_profile, include_mingw_linker, @@ -1933,7 +1930,6 @@ impl Config { config.dist_compression_formats = compression_formats; set(&mut config.dist_compression_profile, compression_profile); set(&mut config.rust_dist_src, src_tarball); - set(&mut config.missing_tools, missing_tools); set(&mut config.dist_include_mingw_linker, include_mingw_linker) } From 6df8d0dd4e05cd96fbc299fa5fc32f37ad936db0 Mon Sep 17 00:00:00 2001 From: joboet Date: Sat, 25 May 2024 09:37:08 +0200 Subject: [PATCH 0552/1716] fix UI test --- .../suggestions/missing-lifetime-specifier.rs | 22 ++--- .../missing-lifetime-specifier.stderr | 90 +++---------------- 2 files changed, 21 insertions(+), 91 deletions(-) diff --git a/tests/ui/suggestions/missing-lifetime-specifier.rs b/tests/ui/suggestions/missing-lifetime-specifier.rs index cd7fa0c1d856..dd437fc0c0b8 100644 --- a/tests/ui/suggestions/missing-lifetime-specifier.rs +++ b/tests/ui/suggestions/missing-lifetime-specifier.rs @@ -1,6 +1,11 @@ -// different number of duplicated diagnostics on different targets -//@ only-x86_64 -//@ only-linux +// The specific errors produced depend the thread-local implementation. +// Run only on platforms with "fast" TLS. +//@ ignore-windows FIXME(#84933) +//@ ignore-wasm globals are used instead of thread locals +//@ ignore-emscripten globals are used instead of thread locals +//@ ignore-android does not use #[thread_local] +//@ ignore-nto does not use #[thread_local] +// Different number of duplicated diagnostics on different targets //@ compile-flags: -Zdeduplicate-diagnostics=yes #![allow(bare_trait_objects)] @@ -21,23 +26,19 @@ trait Tar<'t, 'k, I> {} thread_local! { static a: RefCell>>> = RefCell::new(HashMap::new()); - //~^ ERROR missing lifetime specifiers - //~| ERROR missing lifetime specifiers + //~^ ERROR missing lifetime specifiers } thread_local! { static b: RefCell>>> = RefCell::new(HashMap::new()); - //~^ ERROR missing lifetime specifiers - //~| ERROR missing lifetime specifiers + //~^ ERROR missing lifetime specifiers } thread_local! { static c: RefCell>>>> = RefCell::new(HashMap::new()); //~^ ERROR missing lifetime specifiers - //~| ERROR missing lifetime specifiers } thread_local! { static d: RefCell>>>> = RefCell::new(HashMap::new()); //~^ ERROR missing lifetime specifiers - //~| ERROR missing lifetime specifiers } thread_local! { @@ -47,8 +48,7 @@ thread_local! { thread_local! { static f: RefCell>>>> = RefCell::new(HashMap::new()); //~^ ERROR trait takes 2 lifetime arguments but 1 lifetime argument was supplied - //~| ERROR missing lifetime - //~| ERROR missing lifetime + //~| ERROR missing lifetime specifier } fn main() {} diff --git a/tests/ui/suggestions/missing-lifetime-specifier.stderr b/tests/ui/suggestions/missing-lifetime-specifier.stderr index 2b85cfde7b64..e0b6bb872b55 100644 --- a/tests/ui/suggestions/missing-lifetime-specifier.stderr +++ b/tests/ui/suggestions/missing-lifetime-specifier.stderr @@ -1,5 +1,5 @@ error[E0106]: missing lifetime specifiers - --> $DIR/missing-lifetime-specifier.rs:23:44 + --> $DIR/missing-lifetime-specifier.rs:28:44 | LL | static a: RefCell>>> = RefCell::new(HashMap::new()); | ^^^ expected 2 lifetime parameters @@ -11,20 +11,7 @@ LL | static a: RefCell>>>> = RefC | ++++++++++++++++++ error[E0106]: missing lifetime specifiers - --> $DIR/missing-lifetime-specifier.rs:23:44 - | -LL | / thread_local! { -LL | | static a: RefCell>>> = RefCell::new(HashMap::new()); - | | ^^^ expected 2 lifetime parameters -LL | | -LL | | -LL | | } - | |_- - | - = help: this function's return type contains a borrowed value, but the signature does not say which one of `init`'s 3 lifetimes it is borrowed from - -error[E0106]: missing lifetime specifiers - --> $DIR/missing-lifetime-specifier.rs:28:44 + --> $DIR/missing-lifetime-specifier.rs:32:44 | LL | static b: RefCell>>> = RefCell::new(HashMap::new()); | ^^^^ expected 2 lifetime parameters @@ -38,22 +25,7 @@ LL | static b: RefCell>> | +++++++ ++++++++++++++++++ error[E0106]: missing lifetime specifiers - --> $DIR/missing-lifetime-specifier.rs:28:44 - | -LL | / thread_local! { -LL | | static b: RefCell>>> = RefCell::new(HashMap::new()); - | | ^^^^ expected 2 lifetime parameters - | | | - | | expected named lifetime parameter -LL | | -LL | | -LL | | } - | |_- - | - = help: this function's return type contains a borrowed value, but the signature does not say which one of `init`'s 4 lifetimes it is borrowed from - -error[E0106]: missing lifetime specifiers - --> $DIR/missing-lifetime-specifier.rs:33:47 + --> $DIR/missing-lifetime-specifier.rs:36:47 | LL | static c: RefCell>>>> = RefCell::new(HashMap::new()); | ^ expected 2 lifetime parameters @@ -65,20 +37,7 @@ LL | static c: RefCell>>>> = | +++++++++++++++++ error[E0106]: missing lifetime specifiers - --> $DIR/missing-lifetime-specifier.rs:33:47 - | -LL | / thread_local! { -LL | | static c: RefCell>>>> = RefCell::new(HashMap::new()); - | | ^ expected 2 lifetime parameters -LL | | -LL | | -LL | | } - | |_- - | - = help: this function's return type contains a borrowed value, but the signature does not say which one of `init`'s 3 lifetimes it is borrowed from - -error[E0106]: missing lifetime specifiers - --> $DIR/missing-lifetime-specifier.rs:38:44 + --> $DIR/missing-lifetime-specifier.rs:40:44 | LL | static d: RefCell>>>> = RefCell::new(HashMap::new()); | ^ ^ expected 2 lifetime parameters @@ -91,23 +50,8 @@ help: consider using the `'static` lifetime, but this is uncommon unless you're LL | static d: RefCell>>>> = RefCell::new(HashMap::new()); | +++++++ +++++++++++++++++ -error[E0106]: missing lifetime specifiers - --> $DIR/missing-lifetime-specifier.rs:38:44 - | -LL | / thread_local! { -LL | | static d: RefCell>>>> = RefCell::new(HashMap::new()); - | | ^ ^ expected 2 lifetime parameters - | | | - | | expected named lifetime parameter -LL | | -LL | | -LL | | } - | |_- - | - = help: this function's return type contains a borrowed value, but the signature does not say which one of `init`'s 4 lifetimes it is borrowed from - error[E0106]: missing lifetime specifier - --> $DIR/missing-lifetime-specifier.rs:48:44 + --> $DIR/missing-lifetime-specifier.rs:49:44 | LL | static f: RefCell>>>> = RefCell::new(HashMap::new()); | ^ expected named lifetime parameter @@ -118,22 +62,8 @@ help: consider using the `'static` lifetime, but this is uncommon unless you're LL | static f: RefCell>>>> = RefCell::new(HashMap::new()); | +++++++ -error[E0106]: missing lifetime specifier - --> $DIR/missing-lifetime-specifier.rs:48:44 - | -LL | / thread_local! { -LL | | static f: RefCell>>>> = RefCell::new(HashMap::new()); - | | ^ expected named lifetime parameter -LL | | -LL | | -LL | | -LL | | } - | |_- - | - = help: this function's return type contains a borrowed value, but the signature does not say which one of `init`'s 3 lifetimes it is borrowed from - error[E0107]: union takes 2 lifetime arguments but 1 lifetime argument was supplied - --> $DIR/missing-lifetime-specifier.rs:44:44 + --> $DIR/missing-lifetime-specifier.rs:45:44 | LL | static e: RefCell>>>> = RefCell::new(HashMap::new()); | ^^^ ------- supplied 1 lifetime argument @@ -141,7 +71,7 @@ LL | static e: RefCell>>>> = RefCell: | expected 2 lifetime arguments | note: union defined here, with 2 lifetime parameters: `'t`, `'k` - --> $DIR/missing-lifetime-specifier.rs:16:11 + --> $DIR/missing-lifetime-specifier.rs:21:11 | LL | pub union Qux<'t, 'k, I> { | ^^^ -- -- @@ -151,7 +81,7 @@ LL | static e: RefCell>>>> = | +++++++++ error[E0107]: trait takes 2 lifetime arguments but 1 lifetime argument was supplied - --> $DIR/missing-lifetime-specifier.rs:48:45 + --> $DIR/missing-lifetime-specifier.rs:49:45 | LL | static f: RefCell>>>> = RefCell::new(HashMap::new()); | ^^^ ------- supplied 1 lifetime argument @@ -159,7 +89,7 @@ LL | static f: RefCell>>>> = RefCell | expected 2 lifetime arguments | note: trait defined here, with 2 lifetime parameters: `'t`, `'k` - --> $DIR/missing-lifetime-specifier.rs:20:7 + --> $DIR/missing-lifetime-specifier.rs:25:7 | LL | trait Tar<'t, 'k, I> {} | ^^^ -- -- @@ -168,7 +98,7 @@ help: add missing lifetime argument LL | static f: RefCell>>>> = RefCell::new(HashMap::new()); | +++++++++ -error: aborting due to 12 previous errors +error: aborting due to 7 previous errors Some errors have detailed explanations: E0106, E0107. For more information about an error, try `rustc --explain E0106`. From c76477d9095e89fd62f6a880e90bc84399d19bff Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Sat, 25 May 2024 10:37:36 +0300 Subject: [PATCH 0553/1716] add change entry Signed-off-by: onur-ozkan --- src/bootstrap/src/utils/change_tracker.rs | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/bootstrap/src/utils/change_tracker.rs b/src/bootstrap/src/utils/change_tracker.rs index 2f9eaf51c341..bfe3622e40d3 100644 --- a/src/bootstrap/src/utils/change_tracker.rs +++ b/src/bootstrap/src/utils/change_tracker.rs @@ -190,4 +190,9 @@ pub const CONFIG_CHANGE_HISTORY: &[ChangeInfo] = &[ severity: ChangeSeverity::Warning, summary: "`rust.lld` has a new default value of `true` on `x86_64-unknown-linux-gnu`. Starting at stage1, `rust-lld` will thus be this target's default linker. No config changes should be necessary.", }, + ChangeInfo { + change_id: 125535, + severity: ChangeSeverity::Warning, + summary: "Removed `dist.missing-tools` configuration as it was deprecated long time ago.", + }, ]; From d7248d7b71fd756bef62e98b52ee1110f8d3a3c4 Mon Sep 17 00:00:00 2001 From: Scott McMurray Date: Fri, 24 May 2024 00:40:39 -0700 Subject: [PATCH 0554/1716] Stop SRoA'ing `DynMetadata` in MIR --- compiler/rustc_mir_transform/src/sroa.rs | 5 +++++ tests/ui/mir/dyn_metadata_sroa.rs | 19 +++++++++++++++++++ 2 files changed, 24 insertions(+) create mode 100644 tests/ui/mir/dyn_metadata_sroa.rs diff --git a/compiler/rustc_mir_transform/src/sroa.rs b/compiler/rustc_mir_transform/src/sroa.rs index cdf3305b5609..f19c34cae7a7 100644 --- a/compiler/rustc_mir_transform/src/sroa.rs +++ b/compiler/rustc_mir_transform/src/sroa.rs @@ -70,6 +70,11 @@ fn escaping_locals<'tcx>( // Exclude #[repr(simd)] types so that they are not de-optimized into an array return true; } + if Some(def.did()) == tcx.lang_items().dyn_metadata() { + // codegen wants to see the `DynMetadata`, + // not the inner reference-to-opaque-type. + return true; + } // We already excluded unions and enums, so this ADT must have one variant let variant = def.variant(FIRST_VARIANT); if variant.fields.len() > 1 { diff --git a/tests/ui/mir/dyn_metadata_sroa.rs b/tests/ui/mir/dyn_metadata_sroa.rs new file mode 100644 index 000000000000..1a00c0f0a3e3 --- /dev/null +++ b/tests/ui/mir/dyn_metadata_sroa.rs @@ -0,0 +1,19 @@ +//@ run-pass +//@ compile-flags: -Zmir-opt-level=5 -Zvalidate-mir + +#![feature(ptr_metadata)] + +// Regression for , +// which failed because of SRoA would project into `DynMetadata`. + +trait Foo {} + +struct Bar; + +impl Foo for Bar {} + +fn main() { + let a: *mut dyn Foo = &mut Bar; + + let _d = a.to_raw_parts().0 as usize; +} From bebcb4e4b85f0414da3aef50dfc5abded1ad9f55 Mon Sep 17 00:00:00 2001 From: Urgau Date: Sat, 25 May 2024 13:56:19 +0200 Subject: [PATCH 0555/1716] Also mention my-self for check-cfg docs changes --- triagebot.toml | 3 +++ 1 file changed, 3 insertions(+) diff --git a/triagebot.toml b/triagebot.toml index 2e45b257f812..303c2fccc075 100644 --- a/triagebot.toml +++ b/triagebot.toml @@ -794,6 +794,9 @@ cc = ["@rust-lang/project-exploit-mitigations", "@rcvalle"] [mentions."src/doc/rustc/src/check-cfg.md"] cc = ["@Urgau"] +[mentions."src/doc/rustc/src/check-cfg"] +cc = ["@Urgau"] + [mentions."src/doc/rustc/src/platform-support"] cc = ["@Nilstrieb"] From 417460027e544b7f034c4d79678b5088279eeb7b Mon Sep 17 00:00:00 2001 From: bohan Date: Wed, 8 May 2024 20:24:18 +0800 Subject: [PATCH 0556/1716] place explicit lifetime bound after generic param --- .../src/infer/error_reporting/mod.rs | 18 ++- .../static-lifetime-tip-with-default-type.rs | 26 +++++ ...atic-lifetime-tip-with-default-type.stderr | 110 ++++++++++++++++++ 3 files changed, 151 insertions(+), 3 deletions(-) create mode 100644 tests/ui/generic-associated-types/static-lifetime-tip-with-default-type.rs create mode 100644 tests/ui/generic-associated-types/static-lifetime-tip-with-default-type.stderr diff --git a/compiler/rustc_infer/src/infer/error_reporting/mod.rs b/compiler/rustc_infer/src/infer/error_reporting/mod.rs index e0894ed31bfc..f7ca55ccc55a 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/mod.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/mod.rs @@ -63,11 +63,11 @@ use rustc_errors::{ codes::*, pluralize, struct_span_code_err, Applicability, Diag, DiagCtxt, DiagStyledString, ErrorGuaranteed, IntoDiagArg, StringPart, }; -use rustc_hir as hir; use rustc_hir::def::DefKind; use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_hir::intravisit::Visitor; use rustc_hir::lang_items::LangItem; +use rustc_hir::{self as hir, ParamName}; use rustc_macros::extension; use rustc_middle::bug; use rustc_middle::dep_graph::DepContext; @@ -2379,7 +2379,8 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { let (type_scope, type_param_sugg_span) = match bound_kind { GenericKind::Param(param) => { let generics = self.tcx.generics_of(generic_param_scope); - let def_id = generics.type_param(param, self.tcx).def_id.expect_local(); + let type_param = generics.type_param(param, self.tcx); + let def_id = type_param.def_id.expect_local(); let scope = self.tcx.local_def_id_to_hir_id(def_id).owner.def_id; // Get the `hir::Param` to verify whether it already has any bounds. // We do this to avoid suggesting code that ends up as `T: 'a'b`, @@ -2389,7 +2390,18 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { Some((span, open_paren_sp)) => Some((span, true, open_paren_sp)), // If `param` corresponds to `Self`, no usable suggestion span. None if generics.has_self && param.index == 0 => None, - None => Some((self.tcx.def_span(def_id).shrink_to_hi(), false, None)), + None => { + let span = if let Some(param) = + hir_generics.params.iter().find(|param| param.def_id == def_id) + && let ParamName::Plain(ident) = param.name + { + ident.span.shrink_to_hi() + } else { + let span = self.tcx.def_span(def_id); + span.shrink_to_hi() + }; + Some((span, false, None)) + } }; (scope, sugg_span) } diff --git a/tests/ui/generic-associated-types/static-lifetime-tip-with-default-type.rs b/tests/ui/generic-associated-types/static-lifetime-tip-with-default-type.rs new file mode 100644 index 000000000000..68879a0af292 --- /dev/null +++ b/tests/ui/generic-associated-types/static-lifetime-tip-with-default-type.rs @@ -0,0 +1,26 @@ +//@ error-pattern: r#T: 'static +//@ error-pattern: r#K: 'static +//@ error-pattern: T: 'static= + +// https://github.com/rust-lang/rust/issues/124785 + +struct Foo(&'static T, &'static K); +//~^ ERROR: the parameter type `T` may not live long enough +//~| ERROR: the parameter type `K` may not live long enough + +struct Bar(&'static r#T, &'static r#K); +//~^ ERROR: the parameter type `T` may not live long enough +//~| ERROR: the parameter type `K` may not live long enough + +struct Boo(&'static T); +//~^ ERROR: the parameter type `T` may not live long enough + +struct Far(&'static T); +//~^ ERROR: the parameter type `T` may not live long enough + +struct S<'a, K: 'a = i32>(&'static K); +//~^ ERROR: lifetime parameter `'a` is never used +//~| ERROR: the parameter type `K` may not live long enough + +fn main() {} diff --git a/tests/ui/generic-associated-types/static-lifetime-tip-with-default-type.stderr b/tests/ui/generic-associated-types/static-lifetime-tip-with-default-type.stderr new file mode 100644 index 000000000000..7d985a9013f1 --- /dev/null +++ b/tests/ui/generic-associated-types/static-lifetime-tip-with-default-type.stderr @@ -0,0 +1,110 @@ +error[E0310]: the parameter type `T` may not live long enough + --> $DIR/static-lifetime-tip-with-default-type.rs:7:24 + | +LL | struct Foo(&'static T, &'static K); + | ^^^^^^^^^^ + | | + | the parameter type `T` must be valid for the static lifetime... + | ...so that the reference type `&'static T` does not outlive the data it points at + | +help: consider adding an explicit lifetime bound + | +LL | struct Foo(&'static T, &'static K); + | +++++++++ + +error[E0310]: the parameter type `K` may not live long enough + --> $DIR/static-lifetime-tip-with-default-type.rs:7:36 + | +LL | struct Foo(&'static T, &'static K); + | ^^^^^^^^^^ + | | + | the parameter type `K` must be valid for the static lifetime... + | ...so that the reference type `&'static K` does not outlive the data it points at + | +help: consider adding an explicit lifetime bound + | +LL | struct Foo(&'static T, &'static K); + | +++++++++ + +error[E0310]: the parameter type `T` may not live long enough + --> $DIR/static-lifetime-tip-with-default-type.rs:11:28 + | +LL | struct Bar(&'static r#T, &'static r#K); + | ^^^^^^^^^^^^ + | | + | the parameter type `T` must be valid for the static lifetime... + | ...so that the reference type `&'static T` does not outlive the data it points at + | +help: consider adding an explicit lifetime bound + | +LL | struct Bar(&'static r#T, &'static r#K); + | +++++++++ + +error[E0310]: the parameter type `K` may not live long enough + --> $DIR/static-lifetime-tip-with-default-type.rs:11:42 + | +LL | struct Bar(&'static r#T, &'static r#K); + | ^^^^^^^^^^^^ + | | + | the parameter type `K` must be valid for the static lifetime... + | ...so that the reference type `&'static K` does not outlive the data it points at + | +help: consider adding an explicit lifetime bound + | +LL | struct Bar(&'static r#T, &'static r#K); + | +++++++++ + +error[E0310]: the parameter type `T` may not live long enough + --> $DIR/static-lifetime-tip-with-default-type.rs:15:20 + | +LL | struct Boo(&'static T); + | ^^^^^^^^^^ + | | + | the parameter type `T` must be valid for the static lifetime... + | ...so that the reference type `&'static T` does not outlive the data it points at + | +help: consider adding an explicit lifetime bound + | +LL | struct Boo(&'static T); + | +++++++++ + +error[E0310]: the parameter type `T` may not live long enough + --> $DIR/static-lifetime-tip-with-default-type.rs:19:8 + | +LL | = i32>(&'static T); + | ^^^^^^^^^^ + | | + | the parameter type `T` must be valid for the static lifetime... + | ...so that the reference type `&'static T` does not outlive the data it points at + | +help: consider adding an explicit lifetime bound + | +LL | struct Far $DIR/static-lifetime-tip-with-default-type.rs:22:27 + | +LL | struct S<'a, K: 'a = i32>(&'static K); + | ^^^^^^^^^^ + | | + | the parameter type `K` must be valid for the static lifetime... + | ...so that the reference type `&'static K` does not outlive the data it points at + | +help: consider adding an explicit lifetime bound + | +LL | struct S<'a, K: 'a + 'static = i32>(&'static K); + | +++++++++ + +error[E0392]: lifetime parameter `'a` is never used + --> $DIR/static-lifetime-tip-with-default-type.rs:22:10 + | +LL | struct S<'a, K: 'a = i32>(&'static K); + | ^^ unused lifetime parameter + | + = help: consider removing `'a`, referring to it in a field, or using a marker such as `PhantomData` + +error: aborting due to 8 previous errors + +Some errors have detailed explanations: E0310, E0392. +For more information about an error, try `rustc --explain E0310`. From 0d42cf7afe7e8aa9ded41a503fe852e94b7caa13 Mon Sep 17 00:00:00 2001 From: ltdk Date: Sat, 25 May 2024 14:58:15 -0400 Subject: [PATCH 0557/1716] Stabilise ip_bits feature --- library/core/src/lib.rs | 1 - library/core/src/net/ip_addr.rs | 28 ++++++++++------------------ 2 files changed, 10 insertions(+), 19 deletions(-) diff --git a/library/core/src/lib.rs b/library/core/src/lib.rs index 206d1ab88529..d39c0375470b 100644 --- a/library/core/src/lib.rs +++ b/library/core/src/lib.rs @@ -174,7 +174,6 @@ #![feature(duration_consts_float)] #![feature(internal_impls_macro)] #![feature(ip)] -#![feature(ip_bits)] #![feature(is_ascii_octdigit)] #![feature(isqrt)] #![feature(link_cfg)] diff --git a/library/core/src/net/ip_addr.rs b/library/core/src/net/ip_addr.rs index 959c3289affb..e008215ebe96 100644 --- a/library/core/src/net/ip_addr.rs +++ b/library/core/src/net/ip_addr.rs @@ -460,12 +460,11 @@ impl Ipv4Addr { /// # Examples /// /// ``` - /// #![feature(ip_bits)] /// use std::net::Ipv4Addr; /// /// assert_eq!(Ipv4Addr::BITS, 32); /// ``` - #[unstable(feature = "ip_bits", issue = "113744")] + #[stable(feature = "ip_bits", since = "CURRENT_RUSTC_VERSION")] pub const BITS: u32 = 32; /// Converts an IPv4 address into a `u32` representation using native byte order. @@ -479,7 +478,6 @@ impl Ipv4Addr { /// # Examples /// /// ``` - /// #![feature(ip_bits)] /// use std::net::Ipv4Addr; /// /// let addr = Ipv4Addr::new(0x12, 0x34, 0x56, 0x78); @@ -487,7 +485,6 @@ impl Ipv4Addr { /// ``` /// /// ``` - /// #![feature(ip_bits)] /// use std::net::Ipv4Addr; /// /// let addr = Ipv4Addr::new(0x12, 0x34, 0x56, 0x78); @@ -495,8 +492,8 @@ impl Ipv4Addr { /// assert_eq!(Ipv4Addr::new(0x12, 0x34, 0x56, 0x00), Ipv4Addr::from_bits(addr_bits)); /// /// ``` - #[rustc_const_unstable(feature = "ip_bits", issue = "113744")] - #[unstable(feature = "ip_bits", issue = "113744")] + #[rustc_const_stable(feature = "ip_bits", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "ip_bits", since = "CURRENT_RUSTC_VERSION")] #[must_use] #[inline] pub const fn to_bits(self) -> u32 { @@ -510,14 +507,13 @@ impl Ipv4Addr { /// # Examples /// /// ``` - /// #![feature(ip_bits)] /// use std::net::Ipv4Addr; /// /// let addr = Ipv4Addr::from(0x12345678); /// assert_eq!(Ipv4Addr::new(0x12, 0x34, 0x56, 0x78), addr); /// ``` - #[rustc_const_unstable(feature = "ip_bits", issue = "113744")] - #[unstable(feature = "ip_bits", issue = "113744")] + #[rustc_const_stable(feature = "ip_bits", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "ip_bits", since = "CURRENT_RUSTC_VERSION")] #[must_use] #[inline] pub const fn from_bits(bits: u32) -> Ipv4Addr { @@ -1238,12 +1234,11 @@ impl Ipv6Addr { /// # Examples /// /// ``` - /// #![feature(ip_bits)] /// use std::net::Ipv6Addr; /// /// assert_eq!(Ipv6Addr::BITS, 128); /// ``` - #[unstable(feature = "ip_bits", issue = "113744")] + #[stable(feature = "ip_bits", since = "CURRENT_RUSTC_VERSION")] pub const BITS: u32 = 128; /// Converts an IPv6 address into a `u128` representation using native byte order. @@ -1257,7 +1252,6 @@ impl Ipv6Addr { /// # Examples /// /// ``` - /// #![feature(ip_bits)] /// use std::net::Ipv6Addr; /// /// let addr = Ipv6Addr::new( @@ -1268,7 +1262,6 @@ impl Ipv6Addr { /// ``` /// /// ``` - /// #![feature(ip_bits)] /// use std::net::Ipv6Addr; /// /// let addr = Ipv6Addr::new( @@ -1284,8 +1277,8 @@ impl Ipv6Addr { /// Ipv6Addr::from_bits(addr_bits)); /// /// ``` - #[rustc_const_unstable(feature = "ip_bits", issue = "113744")] - #[unstable(feature = "ip_bits", issue = "113744")] + #[rustc_const_stable(feature = "ip_bits", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "ip_bits", since = "CURRENT_RUSTC_VERSION")] #[must_use] #[inline] pub const fn to_bits(self) -> u128 { @@ -1299,7 +1292,6 @@ impl Ipv6Addr { /// # Examples /// /// ``` - /// #![feature(ip_bits)] /// use std::net::Ipv6Addr; /// /// let addr = Ipv6Addr::from(0x102030405060708090A0B0C0D0E0F00D_u128); @@ -1310,8 +1302,8 @@ impl Ipv6Addr { /// ), /// addr); /// ``` - #[rustc_const_unstable(feature = "ip_bits", issue = "113744")] - #[unstable(feature = "ip_bits", issue = "113744")] + #[rustc_const_stable(feature = "ip_bits", since = "CURRENT_RUSTC_VERSION")] + #[stable(feature = "ip_bits", since = "CURRENT_RUSTC_VERSION")] #[must_use] #[inline] pub const fn from_bits(bits: u128) -> Ipv6Addr { From e61288cbf053cd313b7539481b3faee1ec351228 Mon Sep 17 00:00:00 2001 From: finga Date: Sat, 25 May 2024 21:36:49 +0200 Subject: [PATCH 0558/1716] book: Fix example code Fix example code of the "Disabling evaluation of certain code" section in the configuration chapter. --- book/src/configuration.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/book/src/configuration.md b/book/src/configuration.md index 9eb067abd91e..ea549e4df4a5 100644 --- a/book/src/configuration.md +++ b/book/src/configuration.md @@ -133,7 +133,7 @@ Very rarely, you may wish to prevent Clippy from evaluating certain sections of `clippy` cfg is not set. You may need to provide a stub so that the code compiles: ```rust -#[cfg(not(clippy)] +#[cfg(not(clippy))] include!(concat!(env!("OUT_DIR"), "/my_big_function-generated.rs")); #[cfg(clippy)] From 939f2671a054315a6235fad8982fd1a443b74caa Mon Sep 17 00:00:00 2001 From: Lokathor Date: Sat, 25 May 2024 15:41:18 -0600 Subject: [PATCH 0559/1716] revert to the inconsistent paragraph wrapping. --- library/core/src/result.rs | 107 +++++++++++++++++++------------------ 1 file changed, 55 insertions(+), 52 deletions(-) diff --git a/library/core/src/result.rs b/library/core/src/result.rs index 6a77f9f63a88..77c4ef957ac5 100644 --- a/library/core/src/result.rs +++ b/library/core/src/result.rs @@ -2,8 +2,8 @@ //! //! [`Result`][`Result`] is the type used for returning and propagating //! errors. It is an enum with the variants, [`Ok(T)`], representing success and -//! containing a value, and [`Err(E)`], representing error and containing an -//! error value. +//! success and containing a value, and [`Err(E)`], representing error +//! and containing an error value. //! //! ``` //! # #[allow(dead_code)] @@ -14,10 +14,11 @@ //! ``` //! //! Functions return [`Result`] whenever errors are expected and recoverable. In -//! the `std` crate, [`Result`] is most prominently used for -//! [I/O](../../std/io/index.html). +//! recoverable. In the `std` crate, [`Result`] is most prominently used +//! for [I/O](../../std/io/index.html). //! -//! A simple function returning [`Result`] might be defined and used like so: +//! A simple function returning [`Result`] might be +//! defined and used like so: //! //! ``` //! #[derive(Debug)] @@ -40,8 +41,8 @@ //! ``` //! //! Pattern matching on [`Result`]s is clear and straightforward for simple -//! cases, but [`Result`] comes with some convenience methods that make working -//! with it more succinct. +//! simple cases, but [`Result`] comes with some convenience methods +//! that make working with it more succinct. //! //! ``` //! let good_result: Result = Ok(10); @@ -67,15 +68,16 @@ //! //! # Results must be used //! -//! A common problem with using return values to indicate errors is that it is -//! easy to ignore the return value, thus failing to handle the error. -//! [`Result`] is annotated with the `#[must_use]` attribute, which will cause -//! the compiler to issue a warning when a Result value is ignored. This makes -//! [`Result`] especially useful with functions that may encounter errors but -//! don't otherwise return a useful value. +//! A common problem with using return values to indicate errors is +//! that it is easy to ignore the return value, thus failing to handle +//! the error. [`Result`] is annotated with the `#[must_use]` attribute, +//! which will cause the compiler to issue a warning when a Result +//! value is ignored. This makes [`Result`] especially useful with +//! functions that may encounter errors but don't otherwise return a +//! useful value. //! -//! Consider the [`write_all`] method defined for I/O types by the [`Write`] -//! trait: +//! Consider the [`write_all`] method defined for I/O types +//! by the [`Write`] trait: //! //! ``` //! use std::io; @@ -85,11 +87,12 @@ //! } //! ``` //! -//! *Note: The actual definition of [`Write`] uses [`io::Result`], which is just -//! a synonym for [Result].* +//! *Note: The actual definition of [`Write`] uses [`io::Result`], which +//! is just a synonym for [Result].* //! -//! This method doesn't produce a value, but the write may fail. It's crucial to -//! handle the error case, and *not* write something like this: +//! This method doesn't produce a value, but the write may +//! fail. It's crucial to handle the error case, and *not* write +//! something like this: //! //! ```no_run //! # #![allow(unused_must_use)] // \o/ @@ -102,12 +105,12 @@ //! file.write_all(b"important message"); //! ``` //! -//! If you *do* write that in Rust, the compiler will give you a warning (by -//! default, controlled by the `unused_must_use` lint). +//! If you *do* write that in Rust, the compiler will give you a +//! warning (by default, controlled by the `unused_must_use` lint). //! -//! You might instead, if you don't want to handle the error, simply assert -//! success with [`expect`]. This will panic if the write fails, providing a -//! marginally useful message indicating why: +//! You might instead, if you don't want to handle the error, simply +//! assert success with [`expect`]. This will panic if the +//! write fails, providing a marginally useful message indicating why: //! //! ```no_run //! use std::fs::File; @@ -142,9 +145,10 @@ //! //! # The question mark operator, `?` //! -//! When writing code that calls many functions that return the [`Result`] type, -//! the error handling can be tedious. The question mark operator, [`?`], hides -//! some of the boilerplate of propagating errors up the call stack. +//! When writing code that calls many functions that return the +//! [`Result`] type, the error handling can be tedious. The question mark +//! operator, [`?`], hides some of the boilerplate of propagating errors +//! up the call stack. //! //! It replaces this: //! @@ -205,17 +209,15 @@ //! //! *It's much nicer!* //! -//! Ending the expression with [`?`] will result in the [`Ok`]'s unwrapped -//! value, unless the result is [`Err`], in which case [`Err`] is returned early -//! from the enclosing function. +//! Ending the expression with [`?`] will result in the [`Ok`]'s unwrapped value, unless the result +//! is [`Err`], in which case [`Err`] is returned early from the enclosing function. //! -//! [`?`] can be used in functions that return [`Result`] because of the early -//! return of [`Err`] that it provides. +//! [`?`] can be used in functions that return [`Result`] because of the +//! early return of [`Err`] that it provides. //! //! [`expect`]: Result::expect //! [`Write`]: ../../std/io/trait.Write.html "io::Write" -//! [`write_all`]: ../../std/io/trait.Write.html#method.write_all -//! "io::Write::write_all" +//! [`write_all`]: ../../std/io/trait.Write.html#method.write_all "io::Write::write_all" //! [`io::Result`]: ../../std/io/type.Result.html "io::Result" //! [`?`]: crate::ops::Try //! [`Ok(T)`]: Ok @@ -250,8 +252,8 @@ //! //! ## Querying the variant //! -//! The [`is_ok`] and [`is_err`] methods return [`true`] if the [`Result`] is -//! [`Ok`] or [`Err`], respectively. +//! In addition to working with pattern matching, [`Result`] provides a +//! wide variety of different methods. //! //! [`is_err`]: Result::is_err //! [`is_ok`]: Result::is_ok @@ -261,8 +263,8 @@ //! * [`as_ref`] converts from `&Result` to `Result<&T, &E>` //! * [`as_mut`] converts from `&mut Result` to `Result<&mut T, &mut E>` //! * [`as_deref`] converts from `&Result` to `Result<&T::Target, &E>` -//! * [`as_deref_mut`] converts from `&mut Result` to `Result<&mut -//! T::Target, &mut E>` +//! * [`as_deref_mut`] converts from `&mut Result` to +//! `Result<&mut T::Target, &mut E>` //! //! [`as_deref`]: Result::as_deref //! [`as_deref_mut`]: Result::as_deref_mut @@ -271,18 +273,19 @@ //! //! ## Extracting contained values //! -//! These methods extract the contained value in a [`Result`] when it is -//! the [`Ok`] variant. If the [`Result`] is [`Err`]: +//! These methods extract the contained value in a [`Result`] when it +//! is the [`Ok`] variant. If the [`Result`] is [`Err`]: //! //! * [`expect`] panics with a provided custom message //! * [`unwrap`] panics with a generic message //! * [`unwrap_or`] returns the provided default value -//! * [`unwrap_or_default`] returns the default value of the type `T` (which -//! must implement the [`Default`] trait) -//! * [`unwrap_or_else`] returns the result of evaluating the provided function +//! * [`unwrap_or_default`] returns the default value of the type `T` +//! (which must implement the [`Default`] trait) +//! * [`unwrap_or_else`] returns the result of evaluating the provided +//! function //! -//! The panicking methods [`expect`] and [`unwrap`] require `E` to implement the -//! [`Debug`] trait. +//! The panicking methods [`expect`] and [`unwrap`] require `E` to +//! implement the [`Debug`] trait. //! //! [`Debug`]: crate::fmt::Debug //! [`expect`]: Result::expect @@ -291,9 +294,9 @@ //! [`unwrap_or_default`]: Result::unwrap_or_default //! [`unwrap_or_else`]: Result::unwrap_or_else //! -//! These methods extract the contained value in a [`Result`] when it is -//! the [`Err`] variant. They require `T` to implement the [`Debug`] trait. If -//! the [`Result`] is [`Ok`]: +//! These methods extract the contained value in a [`Result`] when it +//! is the [`Err`] variant. They require `T` to implement the [`Debug`] +//! trait. If the [`Result`] is [`Ok`]: //! //! * [`expect_err`] panics with a provided custom message //! * [`unwrap_err`] panics with a generic message @@ -308,10 +311,10 @@ //! //! * [`err`][Result::err] transforms [`Result`] into [`Option`], //! mapping [`Err(e)`] to [`Some(e)`] and [`Ok(v)`] to [`None`] -//! * [`ok`][Result::ok] transforms [`Result`] into [`Option`], mapping -//! [`Ok(v)`] to [`Some(v)`] and [`Err(e)`] to [`None`] -//! * [`transpose`] transposes a [`Result`] of an [`Option`] into an [`Option`] -//! of a [`Result`] +//! * [`ok`][Result::ok] transforms [`Result`] into [`Option`], +//! mapping [`Ok(v)`] to [`Some(v)`] and [`Err(e)`] to [`None`] +//! * [`transpose`] transposes a [`Result`] of an [`Option`] into an +//! [`Option`] of a [`Result`] //! // Do NOT add link reference definitions for `err` or `ok`, because they // will generate numerous incorrect URLs for `Err` and `Ok` elsewhere, due From 22668e83f6b179ba3fd6f985a332e1cd2022af79 Mon Sep 17 00:00:00 2001 From: Lokathor Date: Sat, 25 May 2024 15:46:55 -0600 Subject: [PATCH 0560/1716] Resolve https://github.com/rust-lang/rust/pull/124870#issuecomment-2128824959 --- library/core/src/option.rs | 3 +++ 1 file changed, 3 insertions(+) diff --git a/library/core/src/option.rs b/library/core/src/option.rs index 1e3ed0f7c49f..c9b3c62dc416 100644 --- a/library/core/src/option.rs +++ b/library/core/src/option.rs @@ -137,10 +137,13 @@ //! //! [^extern_fn]: this remains true for any argument/return types and any other ABI: `extern "abi" fn` (_e.g._, `extern "system" fn`) //! +//! Under some conditions the above types `T` are also null pointer optimized when wrapped in a [`Result`][result_repr]. +//! //! [`Box`]: ../../std/boxed/struct.Box.html //! [`num::NonZero*`]: crate::num //! [`ptr::NonNull`]: crate::ptr::NonNull //! [function call ABI]: ../primitive.fn.html#abi-compatibility +//! [result_repr]: crate::result::Result#Representation //! //! This is called the "null pointer optimization" or NPO. //! From 2e8f14fb371c13ee196e48caaefcfd749d04759f Mon Sep 17 00:00:00 2001 From: Lokathor Date: Sat, 25 May 2024 16:04:26 -0600 Subject: [PATCH 0561/1716] correct for copy paste errors when fixing wrapping. --- library/core/src/result.rs | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/library/core/src/result.rs b/library/core/src/result.rs index 77c4ef957ac5..b40a585699b1 100644 --- a/library/core/src/result.rs +++ b/library/core/src/result.rs @@ -13,7 +13,7 @@ //! } //! ``` //! -//! Functions return [`Result`] whenever errors are expected and recoverable. In +//! Functions return [`Result`] whenever errors are expected and //! recoverable. In the `std` crate, [`Result`] is most prominently used //! for [I/O](../../std/io/index.html). //! @@ -40,7 +40,7 @@ //! } //! ``` //! -//! Pattern matching on [`Result`]s is clear and straightforward for simple +//! Pattern matching on [`Result`]s is clear and straightforward for //! simple cases, but [`Result`] comes with some convenience methods //! that make working with it more succinct. //! @@ -247,13 +247,13 @@ //! //! # Method overview //! -//! In addition to working with pattern matching, [`Result`] provides a wide -//! variety of different methods. +//! In addition to working with pattern matching, [`Result`] provides a +//! wide variety of different methods. //! //! ## Querying the variant //! -//! In addition to working with pattern matching, [`Result`] provides a -//! wide variety of different methods. +//! The [`is_ok`] and [`is_err`] methods return [`true`] if the [`Result`] +//! is [`Ok`] or [`Err`], respectively. //! //! [`is_err`]: Result::is_err //! [`is_ok`]: Result::is_ok From 2b2f83e5ffcc01a1ab77e2384893654191df603d Mon Sep 17 00:00:00 2001 From: Lokathor Date: Sat, 25 May 2024 16:05:22 -0600 Subject: [PATCH 0562/1716] github showed that weird. --- library/core/src/result.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/library/core/src/result.rs b/library/core/src/result.rs index b40a585699b1..2954284bda79 100644 --- a/library/core/src/result.rs +++ b/library/core/src/result.rs @@ -1,7 +1,7 @@ //! Error handling with the `Result` type. //! //! [`Result`][`Result`] is the type used for returning and propagating -//! errors. It is an enum with the variants, [`Ok(T)`], representing success and +//! errors. It is an enum with the variants, [`Ok(T)`], representing //! success and containing a value, and [`Err(E)`], representing error //! and containing an error value. //! From f8279b10c3ed4c71b62d519b67aaa985950012ce Mon Sep 17 00:00:00 2001 From: Lokathor Date: Sat, 25 May 2024 16:46:58 -0600 Subject: [PATCH 0563/1716] Fix URL target, it's in the module not the type. --- library/core/src/option.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/library/core/src/option.rs b/library/core/src/option.rs index c9b3c62dc416..1fb65c845aff 100644 --- a/library/core/src/option.rs +++ b/library/core/src/option.rs @@ -143,7 +143,7 @@ //! [`num::NonZero*`]: crate::num //! [`ptr::NonNull`]: crate::ptr::NonNull //! [function call ABI]: ../primitive.fn.html#abi-compatibility -//! [result_repr]: crate::result::Result#Representation +//! [result_repr]: crate::result#Representation //! //! This is called the "null pointer optimization" or NPO. //! From 0c843613423cdd6fdf8d8efe462bfc66640c14f2 Mon Sep 17 00:00:00 2001 From: Scott McMurray Date: Sat, 25 May 2024 15:58:26 -0700 Subject: [PATCH 0564/1716] Simplify the `unchecked_sh[lr]` ub-checks a bit --- library/core/src/num/int_macros.rs | 6 ++---- library/core/src/num/uint_macros.rs | 6 ++---- ...s.unchecked_shl_unsigned_smaller.Inline.panic-abort.diff | 2 +- ....unchecked_shl_unsigned_smaller.Inline.panic-unwind.diff | 2 +- ...ifts.unchecked_shr_signed_bigger.Inline.panic-abort.diff | 2 +- ...fts.unchecked_shr_signed_bigger.Inline.panic-unwind.diff | 2 +- 6 files changed, 8 insertions(+), 12 deletions(-) diff --git a/library/core/src/num/int_macros.rs b/library/core/src/num/int_macros.rs index b8b4f581a7e6..c9c6e34eaad8 100644 --- a/library/core/src/num/int_macros.rs +++ b/library/core/src/num/int_macros.rs @@ -1282,8 +1282,7 @@ macro_rules! int_impl { concat!(stringify!($SelfT), "::unchecked_shl cannot overflow"), ( rhs: u32 = rhs, - bits: u32 = Self::BITS, - ) => rhs < bits, + ) => rhs < <$ActualT>::BITS, ); // SAFETY: this is guaranteed to be safe by the caller. @@ -1381,8 +1380,7 @@ macro_rules! int_impl { concat!(stringify!($SelfT), "::unchecked_shr cannot overflow"), ( rhs: u32 = rhs, - bits: u32 = Self::BITS, - ) => rhs < bits, + ) => rhs < <$ActualT>::BITS, ); // SAFETY: this is guaranteed to be safe by the caller. diff --git a/library/core/src/num/uint_macros.rs b/library/core/src/num/uint_macros.rs index 141d164de14a..f70c34199ace 100644 --- a/library/core/src/num/uint_macros.rs +++ b/library/core/src/num/uint_macros.rs @@ -1369,8 +1369,7 @@ macro_rules! uint_impl { concat!(stringify!($SelfT), "::unchecked_shl cannot overflow"), ( rhs: u32 = rhs, - bits: u32 = Self::BITS, - ) => rhs < bits, + ) => rhs < <$ActualT>::BITS, ); // SAFETY: this is guaranteed to be safe by the caller. @@ -1468,8 +1467,7 @@ macro_rules! uint_impl { concat!(stringify!($SelfT), "::unchecked_shr cannot overflow"), ( rhs: u32 = rhs, - bits: u32 = Self::BITS, - ) => rhs < bits, + ) => rhs < <$ActualT>::BITS, ); // SAFETY: this is guaranteed to be safe by the caller. diff --git a/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.panic-abort.diff b/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.panic-abort.diff index 652e24a5f8ec..0d9d58316ea1 100644 --- a/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.panic-abort.diff +++ b/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.panic-abort.diff @@ -29,7 +29,7 @@ } bb1: { -+ _6 = core::num::::unchecked_shl::precondition_check(_4, const core::num::::BITS) -> [return: bb2, unwind unreachable]; ++ _6 = core::num::::unchecked_shl::precondition_check(_4) -> [return: bb2, unwind unreachable]; + } + + bb2: { diff --git a/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.panic-unwind.diff b/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.panic-unwind.diff index dbcae605f769..82f7eceaa180 100644 --- a/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.panic-unwind.diff +++ b/tests/mir-opt/inline/unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.panic-unwind.diff @@ -29,7 +29,7 @@ } bb1: { -+ _6 = core::num::::unchecked_shl::precondition_check(_4, const core::num::::BITS) -> [return: bb2, unwind unreachable]; ++ _6 = core::num::::unchecked_shl::precondition_check(_4) -> [return: bb2, unwind unreachable]; + } + + bb2: { diff --git a/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.Inline.panic-abort.diff b/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.Inline.panic-abort.diff index 88d0621c2877..6894b2466990 100644 --- a/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.Inline.panic-abort.diff +++ b/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.Inline.panic-abort.diff @@ -29,7 +29,7 @@ } bb1: { -+ _6 = core::num::::unchecked_shr::precondition_check(_4, const core::num::::BITS) -> [return: bb2, unwind unreachable]; ++ _6 = core::num::::unchecked_shr::precondition_check(_4) -> [return: bb2, unwind unreachable]; + } + + bb2: { diff --git a/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.Inline.panic-unwind.diff b/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.Inline.panic-unwind.diff index 6d4c73cf576a..070f4a1c5c83 100644 --- a/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.Inline.panic-unwind.diff +++ b/tests/mir-opt/inline/unchecked_shifts.unchecked_shr_signed_bigger.Inline.panic-unwind.diff @@ -29,7 +29,7 @@ } bb1: { -+ _6 = core::num::::unchecked_shr::precondition_check(_4, const core::num::::BITS) -> [return: bb2, unwind unreachable]; ++ _6 = core::num::::unchecked_shr::precondition_check(_4) -> [return: bb2, unwind unreachable]; + } + + bb2: { From 9b480da36790ea8314b77cf97ecaf7653afb3a1a Mon Sep 17 00:00:00 2001 From: Lokathor Date: Sat, 25 May 2024 17:44:48 -0600 Subject: [PATCH 0565/1716] It seems that anchor names are implicitly all lowercase --- library/core/src/option.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/library/core/src/option.rs b/library/core/src/option.rs index 1fb65c845aff..9a527073602e 100644 --- a/library/core/src/option.rs +++ b/library/core/src/option.rs @@ -143,7 +143,7 @@ //! [`num::NonZero*`]: crate::num //! [`ptr::NonNull`]: crate::ptr::NonNull //! [function call ABI]: ../primitive.fn.html#abi-compatibility -//! [result_repr]: crate::result#Representation +//! [result_repr]: crate::result#representation //! //! This is called the "null pointer optimization" or NPO. //! From c81a40bbc02bb44aa99b3a94322dbf07e7a62ce1 Mon Sep 17 00:00:00 2001 From: Weihang Lo Date: Thu, 23 May 2024 23:56:17 -0400 Subject: [PATCH 0566/1716] opt-dist: dont overrwite config.toml when verifying This is another step toward making opt-dist work in sandboxed environments opt-dist verifies the final built rustc against a subset of rustc test suite. However it overwrote the pre-existing `config.toml` [^1], and that results in ./vendor/ directory removed [^2]. Instead of overwriting, this patch use `--set ` to override paths to rustc / cargo / llvm-config. [^1]: https://github.com/rust-lang/rust/blob/606afbb617a2949a4e35c4b0258ff94c980b9451/src/tools/opt-dist/src/tests.rs#L62-L77 [^2]: https://github.com/rust-lang/rust/blob/8679004993f08807289911d9f400f4ac4391d2bc/src/bootstrap/bootstrap.py#L1057 --- src/tools/opt-dist/src/tests.rs | 31 ++++++++++++++----------------- 1 file changed, 14 insertions(+), 17 deletions(-) diff --git a/src/tools/opt-dist/src/tests.rs b/src/tools/opt-dist/src/tests.rs index 46b0a5438025..d03d1936e086 100644 --- a/src/tools/opt-dist/src/tests.rs +++ b/src/tools/opt-dist/src/tests.rs @@ -59,26 +59,17 @@ pub fn run_tests(env: &Environment) -> anyhow::Result<()> { .join(format!("llvm-config{}", executable_extension())); assert!(llvm_config.is_file()); - let config_content = format!( - r#"profile = "user" -change-id = 115898 + let rustc = format!("build.rustc={}", rustc_path.to_string().replace('\\', "/")); + let cargo = format!("build.cargo={}", cargo_path.to_string().replace('\\', "/")); + let llvm_config = + format!("target.{host_triple}.llvm-config={}", llvm_config.to_string().replace('\\', "/")); -[build] -rustc = "{rustc}" -cargo = "{cargo}" - -[target.{host_triple}] -llvm-config = "{llvm_config}" -"#, - rustc = rustc_path.to_string().replace('\\', "/"), - cargo = cargo_path.to_string().replace('\\', "/"), - llvm_config = llvm_config.to_string().replace('\\', "/") - ); - log::info!("Using following `config.toml` for running tests:\n{config_content}"); + log::info!("Set the following configurations for running tests:"); + log::info!("\t{rustc}"); + log::info!("\t{cargo}"); + log::info!("\t{llvm_config}"); // Simulate a stage 0 compiler with the extracted optimized dist artifacts. - std::fs::write("config.toml", config_content)?; - let x_py = env.checkout_path().join("x.py"); let mut args = vec![ env.python_binary(), @@ -97,6 +88,12 @@ llvm-config = "{llvm_config}" "tests/run-pass-valgrind", "tests/ui", "tests/crashes", + "--set", + &rustc, + "--set", + &cargo, + "--set", + &llvm_config, ]; for test_path in env.skipped_tests() { args.extend(["--skip", test_path]); From 824ffd29eeaf6581eefdce2a1c462c8ab6339bf4 Mon Sep 17 00:00:00 2001 From: Cyborus Date: Sat, 25 May 2024 20:14:18 -0400 Subject: [PATCH 0567/1716] Stabilize `slice_flatten` --- library/alloc/src/vec/mod.rs | 4 +--- library/alloc/tests/lib.rs | 1 - library/core/src/slice/mod.rs | 9 +++------ library/core/tests/lib.rs | 1 - 4 files changed, 4 insertions(+), 11 deletions(-) diff --git a/library/alloc/src/vec/mod.rs b/library/alloc/src/vec/mod.rs index b2e22d8715a8..aa9b632cbed9 100644 --- a/library/alloc/src/vec/mod.rs +++ b/library/alloc/src/vec/mod.rs @@ -2643,15 +2643,13 @@ impl Vec<[T; N], A> { /// # Examples /// /// ``` - /// #![feature(slice_flatten)] - /// /// let mut vec = vec![[1, 2, 3], [4, 5, 6], [7, 8, 9]]; /// assert_eq!(vec.pop(), Some([7, 8, 9])); /// /// let mut flattened = vec.into_flattened(); /// assert_eq!(flattened.pop(), Some(6)); /// ``` - #[unstable(feature = "slice_flatten", issue = "95629")] + #[stable(feature = "slice_flatten", since = "CURRENT_RUSTC_VERSION")] pub fn into_flattened(self) -> Vec { let (ptr, len, cap, alloc) = self.into_raw_parts_with_alloc(); let (new_len, new_cap) = if T::IS_ZST { diff --git a/library/alloc/tests/lib.rs b/library/alloc/tests/lib.rs index 0eae4ca4b8ba..8451be63c2b9 100644 --- a/library/alloc/tests/lib.rs +++ b/library/alloc/tests/lib.rs @@ -36,7 +36,6 @@ #![feature(const_str_from_utf8)] #![feature(panic_update_hook)] #![feature(pointer_is_aligned_to)] -#![feature(slice_flatten)] #![feature(thin_box)] #![feature(strict_provenance)] #![feature(drain_keep_rest)] diff --git a/library/core/src/slice/mod.rs b/library/core/src/slice/mod.rs index f82f965e67cf..503107c74803 100644 --- a/library/core/src/slice/mod.rs +++ b/library/core/src/slice/mod.rs @@ -4531,8 +4531,6 @@ impl [[T; N]] { /// # Examples /// /// ``` - /// #![feature(slice_flatten)] - /// /// assert_eq!([[1, 2, 3], [4, 5, 6]].as_flattened(), &[1, 2, 3, 4, 5, 6]); /// /// assert_eq!( @@ -4546,7 +4544,8 @@ impl [[T; N]] { /// let empty_slice_of_arrays: &[[u32; 10]] = &[]; /// assert!(empty_slice_of_arrays.as_flattened().is_empty()); /// ``` - #[unstable(feature = "slice_flatten", issue = "95629")] + #[stable(feature = "slice_flatten", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_unstable(feature = "const_slice_flatten", issue = "95629")] pub const fn as_flattened(&self) -> &[T] { let len = if T::IS_ZST { self.len().checked_mul(N).expect("slice len overflow") @@ -4572,8 +4571,6 @@ impl [[T; N]] { /// # Examples /// /// ``` - /// #![feature(slice_flatten)] - /// /// fn add_5_to_all(slice: &mut [i32]) { /// for i in slice { /// *i += 5; @@ -4584,7 +4581,7 @@ impl [[T; N]] { /// add_5_to_all(array.as_flattened_mut()); /// assert_eq!(array, [[6, 7, 8], [9, 10, 11], [12, 13, 14]]); /// ``` - #[unstable(feature = "slice_flatten", issue = "95629")] + #[stable(feature = "slice_flatten", since = "CURRENT_RUSTC_VERSION")] pub fn as_flattened_mut(&mut self) -> &mut [T] { let len = if T::IS_ZST { self.len().checked_mul(N).expect("slice len overflow") diff --git a/library/core/tests/lib.rs b/library/core/tests/lib.rs index 797108a8425d..6937780bcefe 100644 --- a/library/core/tests/lib.rs +++ b/library/core/tests/lib.rs @@ -112,7 +112,6 @@ #![feature(const_array_from_ref)] #![feature(const_slice_from_ref)] #![feature(waker_getters)] -#![feature(slice_flatten)] #![feature(error_generic_member_access)] #![feature(error_in_core)] #![feature(trait_upcasting)] From 91b3ef5b4a36e16347dbf128b4da64078babae70 Mon Sep 17 00:00:00 2001 From: Noah Lev Date: Sat, 25 May 2024 22:55:50 -0700 Subject: [PATCH 0568/1716] Notify T-rustdoc for beta-accepted and stable-accepted too Otherwise, it's unclear when the nomination label is removed whether the backport was accepted, thus nomination removed, or if the backport was rejected, thus nomination removed. --- triagebot.toml | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/triagebot.toml b/triagebot.toml index 2e45b257f812..877f6af4ec73 100644 --- a/triagebot.toml +++ b/triagebot.toml @@ -452,6 +452,19 @@ message_on_remove = "PR #{number}'s beta-nomination has been removed." message_on_close = "PR #{number} has been closed. Thanks for participating!" message_on_reopen = "PR #{number} has been reopened. Pinging @*T-rustdoc*." +# FIXME: Patch triagebot to support `notify-zulip.unstable" - ) - } else { - String::from("unstable") - }; + ) + } else { + String::from("unstable") + }; - Some((String::from("const unstable"), format!("const: {unstable}"))) + Some((String::from("const unstable"), format!("const: {unstable}"))) + } } _ => None, }; diff --git a/tests/rustdoc/const-display.rs b/tests/rustdoc/const-display.rs index c8967f426f0a..35665f2aef93 100644 --- a/tests/rustdoc/const-display.rs +++ b/tests/rustdoc/const-display.rs @@ -24,6 +24,12 @@ pub const unsafe fn foo_unsafe() -> u32 { 42 } #[unstable(feature = "humans", issue = "none")] pub const fn foo2() -> u32 { 42 } +// @has 'foo/fn.foo3.html' '//pre' 'pub fn foo3() -> u32' +// @!hasraw - '//span[@class="since"]' +#[unstable(feature = "humans", issue = "none")] +#[rustc_const_unstable(feature = "humans", issue = "none")] +pub const fn foo3() -> u32 { 42 } + // @has 'foo/fn.bar2.html' '//pre' 'pub const fn bar2() -> u32' // @has - //span '1.0.0 (const: 1.0.0)' #[stable(feature = "rust1", since = "1.0.0")] From 5fa30f7eaaad4f9d193b213f9b11d7bb9eb15c11 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sun, 26 May 2024 10:43:25 +0200 Subject: [PATCH 0570/1716] make release_clock always work on the current thread --- src/tools/miri/src/alloc_addresses/mod.rs | 10 +- src/tools/miri/src/concurrency/data_race.rs | 35 +++++- src/tools/miri/src/concurrency/init_once.rs | 25 ++-- src/tools/miri/src/concurrency/sync.rs | 120 ++++++++++---------- src/tools/miri/src/concurrency/thread.rs | 7 -- src/tools/miri/src/lib.rs | 3 +- src/tools/miri/src/machine.rs | 5 + src/tools/miri/src/shims/unix/sync.rs | 16 +-- 8 files changed, 115 insertions(+), 106 deletions(-) diff --git a/src/tools/miri/src/alloc_addresses/mod.rs b/src/tools/miri/src/alloc_addresses/mod.rs index 2bbb34c9a4bf..58241538795e 100644 --- a/src/tools/miri/src/alloc_addresses/mod.rs +++ b/src/tools/miri/src/alloc_addresses/mod.rs @@ -171,10 +171,8 @@ trait EvalContextExtPriv<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { memory_kind, ecx.get_active_thread(), ) { - if let Some(clock) = clock - && let Some(data_race) = &ecx.machine.data_race - { - data_race.acquire_clock(&clock, ecx.get_active_thread()); + if let Some(clock) = clock { + ecx.acquire_clock(&clock); } reuse_addr } else { @@ -372,9 +370,7 @@ impl<'mir, 'tcx> MiriMachine<'mir, 'tcx> { let thread = self.threads.get_active_thread_id(); global_state.reuse.add_addr(rng, addr, size, align, kind, thread, || { if let Some(data_race) = &self.data_race { - data_race - .release_clock(thread, self.threads.active_thread_ref().current_span()) - .clone() + data_race.release_clock(&self.threads).clone() } else { VClock::default() } diff --git a/src/tools/miri/src/concurrency/data_race.rs b/src/tools/miri/src/concurrency/data_race.rs index a28847785787..da6fa4f3405c 100644 --- a/src/tools/miri/src/concurrency/data_race.rs +++ b/src/tools/miri/src/concurrency/data_race.rs @@ -822,6 +822,26 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: MiriInterpCxExt<'mir, 'tcx> { assert!(!old, "cannot nest allow_data_races"); } } + + /// Returns the `release` clock of the current thread. + /// Other threads can acquire this clock in the future to establish synchronization + /// with this program point. + fn release_clock<'a>(&'a self) -> Option> + where + 'mir: 'a, + { + let this = self.eval_context_ref(); + Some(this.machine.data_race.as_ref()?.release_clock(&this.machine.threads)) + } + + /// Acquire the given clock into the current thread, establishing synchronization with + /// the moment when that clock snapshot was taken via `release_clock`. + fn acquire_clock(&self, clock: &VClock) { + let this = self.eval_context_ref(); + if let Some(data_race) = &this.machine.data_race { + data_race.acquire_clock(clock, this.get_active_thread()); + } + } } /// Vector clock metadata for a logical memory allocation. @@ -1706,19 +1726,24 @@ impl GlobalState { /// the moment when that clock snapshot was taken via `release_clock`. /// As this is an acquire operation, the thread timestamp is not /// incremented. - pub fn acquire_clock(&self, lock: &VClock, thread: ThreadId) { + pub fn acquire_clock(&self, clock: &VClock, thread: ThreadId) { let (_, mut clocks) = self.thread_state_mut(thread); - clocks.clock.join(lock); + clocks.clock.join(clock); } - /// Returns the `release` clock of the given thread. + /// Returns the `release` clock of the current thread. /// Other threads can acquire this clock in the future to establish synchronization /// with this program point. - pub fn release_clock(&self, thread: ThreadId, current_span: Span) -> Ref<'_, VClock> { + pub fn release_clock<'mir, 'tcx>( + &self, + threads: &ThreadManager<'mir, 'tcx>, + ) -> Ref<'_, VClock> { + let thread = threads.get_active_thread_id(); + let span = threads.active_thread_ref().current_span(); // We increment the clock each time this happens, to ensure no two releases // can be confused with each other. let (index, mut clocks) = self.thread_state_mut(thread); - clocks.increment_clock(index, current_span); + clocks.increment_clock(index, span); drop(clocks); // To return a read-only view, we need to release the RefCell // and borrow it again. diff --git a/src/tools/miri/src/concurrency/init_once.rs b/src/tools/miri/src/concurrency/init_once.rs index a01b59c9165b..6469c90c6932 100644 --- a/src/tools/miri/src/concurrency/init_once.rs +++ b/src/tools/miri/src/concurrency/init_once.rs @@ -61,8 +61,7 @@ trait EvalContextExtPriv<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let current_thread = this.get_active_thread(); if let Some(data_race) = &this.machine.data_race { - data_race - .acquire_clock(&this.machine.threads.sync.init_onces[id].clock, current_thread); + data_race.acquire_clock(&this.machine.sync.init_onces[id].clock, current_thread); } } @@ -112,11 +111,11 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { ) -> InterpResult<'tcx, Option>, { let this = self.eval_context_mut(); - let next_index = this.machine.threads.sync.init_onces.next_index(); + let next_index = this.machine.sync.init_onces.next_index(); if let Some(old) = existing(this, next_index)? { Ok(old) } else { - let new_index = this.machine.threads.sync.init_onces.push(Default::default()); + let new_index = this.machine.sync.init_onces.push(Default::default()); assert_eq!(next_index, new_index); Ok(new_index) } @@ -125,7 +124,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { #[inline] fn init_once_status(&mut self, id: InitOnceId) -> InitOnceStatus { let this = self.eval_context_ref(); - this.machine.threads.sync.init_onces[id].status + this.machine.sync.init_onces[id].status } /// Put the thread into the queue waiting for the initialization. @@ -137,7 +136,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { callback: Box + 'tcx>, ) { let this = self.eval_context_mut(); - let init_once = &mut this.machine.threads.sync.init_onces[id]; + let init_once = &mut this.machine.sync.init_onces[id]; assert_ne!(init_once.status, InitOnceStatus::Complete, "queueing on complete init once"); init_once.waiters.push_back(InitOnceWaiter { thread, callback }); this.block_thread(thread, BlockReason::InitOnce(id)); @@ -148,7 +147,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { #[inline] fn init_once_begin(&mut self, id: InitOnceId) { let this = self.eval_context_mut(); - let init_once = &mut this.machine.threads.sync.init_onces[id]; + let init_once = &mut this.machine.sync.init_onces[id]; assert_eq!( init_once.status, InitOnceStatus::Uninitialized, @@ -160,9 +159,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { #[inline] fn init_once_complete(&mut self, id: InitOnceId) -> InterpResult<'tcx> { let this = self.eval_context_mut(); - let current_thread = this.get_active_thread(); - let current_span = this.machine.current_span(); - let init_once = &mut this.machine.threads.sync.init_onces[id]; + let init_once = &mut this.machine.sync.init_onces[id]; assert_eq!( init_once.status, @@ -174,7 +171,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { // Each complete happens-before the end of the wait if let Some(data_race) = &this.machine.data_race { - init_once.clock.clone_from(&data_race.release_clock(current_thread, current_span)); + init_once.clock.clone_from(&data_race.release_clock(&this.machine.threads)); } // Wake up everyone. @@ -189,9 +186,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { #[inline] fn init_once_fail(&mut self, id: InitOnceId) -> InterpResult<'tcx> { let this = self.eval_context_mut(); - let current_thread = this.get_active_thread(); - let current_span = this.machine.current_span(); - let init_once = &mut this.machine.threads.sync.init_onces[id]; + let init_once = &mut this.machine.sync.init_onces[id]; assert_eq!( init_once.status, InitOnceStatus::Begun, @@ -200,7 +195,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { // Each complete happens-before the end of the wait if let Some(data_race) = &this.machine.data_race { - init_once.clock.clone_from(&data_race.release_clock(current_thread, current_span)); + init_once.clock.clone_from(&data_race.release_clock(&this.machine.threads)); } // Wake up one waiting thread, so they can go ahead and try to init this. diff --git a/src/tools/miri/src/concurrency/sync.rs b/src/tools/miri/src/concurrency/sync.rs index 946769559996..a498d9e0a523 100644 --- a/src/tools/miri/src/concurrency/sync.rs +++ b/src/tools/miri/src/concurrency/sync.rs @@ -25,7 +25,7 @@ macro_rules! declare_id { #[derive(Clone, Copy, Debug, PartialOrd, Ord, PartialEq, Eq, Hash)] pub struct $name(std::num::NonZero); - impl SyncId for $name { + impl $crate::concurrency::sync::SyncId for $name { // Panics if `id == 0`. fn from_u32(id: u32) -> Self { Self(std::num::NonZero::new(id).unwrap()) @@ -153,9 +153,9 @@ struct FutexWaiter { bitset: u32, } -/// The state of all synchronization variables. +/// The state of all synchronization objects. #[derive(Default, Debug)] -pub(crate) struct SynchronizationState<'mir, 'tcx> { +pub struct SynchronizationObjects<'mir, 'tcx> { mutexes: IndexVec, rwlocks: IndexVec, condvars: IndexVec, @@ -163,7 +163,7 @@ pub(crate) struct SynchronizationState<'mir, 'tcx> { pub(super) init_onces: IndexVec>, } -impl<'mir, 'tcx> VisitProvenance for SynchronizationState<'mir, 'tcx> { +impl<'mir, 'tcx> VisitProvenance for SynchronizationObjects<'mir, 'tcx> { fn visit_provenance(&self, visit: &mut VisitWith<'_>) { for init_once in self.init_onces.iter() { init_once.visit_provenance(visit); @@ -215,7 +215,7 @@ pub(super) trait EvalContextExtPriv<'mir, 'tcx: 'mir>: #[inline] fn rwlock_dequeue_and_lock_reader(&mut self, id: RwLockId) -> bool { let this = self.eval_context_mut(); - if let Some(reader) = this.machine.threads.sync.rwlocks[id].reader_queue.pop_front() { + if let Some(reader) = this.machine.sync.rwlocks[id].reader_queue.pop_front() { this.unblock_thread(reader, BlockReason::RwLock(id)); this.rwlock_reader_lock(id, reader); true @@ -229,7 +229,7 @@ pub(super) trait EvalContextExtPriv<'mir, 'tcx: 'mir>: #[inline] fn rwlock_dequeue_and_lock_writer(&mut self, id: RwLockId) -> bool { let this = self.eval_context_mut(); - if let Some(writer) = this.machine.threads.sync.rwlocks[id].writer_queue.pop_front() { + if let Some(writer) = this.machine.sync.rwlocks[id].writer_queue.pop_front() { this.unblock_thread(writer, BlockReason::RwLock(id)); this.rwlock_writer_lock(id, writer); true @@ -243,7 +243,7 @@ pub(super) trait EvalContextExtPriv<'mir, 'tcx: 'mir>: #[inline] fn mutex_dequeue_and_lock(&mut self, id: MutexId) -> bool { let this = self.eval_context_mut(); - if let Some(thread) = this.machine.threads.sync.mutexes[id].queue.pop_front() { + if let Some(thread) = this.machine.sync.mutexes[id].queue.pop_front() { this.unblock_thread(thread, BlockReason::Mutex(id)); this.mutex_lock(id, thread); true @@ -303,14 +303,14 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { F: FnOnce(&mut MiriInterpCx<'mir, 'tcx>, MutexId) -> InterpResult<'tcx, Option>, { let this = self.eval_context_mut(); - let next_index = this.machine.threads.sync.mutexes.next_index(); + let next_index = this.machine.sync.mutexes.next_index(); if let Some(old) = existing(this, next_index)? { - if this.machine.threads.sync.mutexes.get(old).is_none() { + if this.machine.sync.mutexes.get(old).is_none() { throw_ub_format!("mutex has invalid ID"); } Ok(old) } else { - let new_index = this.machine.threads.sync.mutexes.push(Default::default()); + let new_index = this.machine.sync.mutexes.push(Default::default()); assert_eq!(next_index, new_index); Ok(new_index) } @@ -320,20 +320,20 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { /// Get the id of the thread that currently owns this lock. fn mutex_get_owner(&mut self, id: MutexId) -> ThreadId { let this = self.eval_context_ref(); - this.machine.threads.sync.mutexes[id].owner.unwrap() + this.machine.sync.mutexes[id].owner.unwrap() } #[inline] /// Check if locked. fn mutex_is_locked(&self, id: MutexId) -> bool { let this = self.eval_context_ref(); - this.machine.threads.sync.mutexes[id].owner.is_some() + this.machine.sync.mutexes[id].owner.is_some() } /// Lock by setting the mutex owner and increasing the lock count. fn mutex_lock(&mut self, id: MutexId, thread: ThreadId) { let this = self.eval_context_mut(); - let mutex = &mut this.machine.threads.sync.mutexes[id]; + let mutex = &mut this.machine.sync.mutexes[id]; if let Some(current_owner) = mutex.owner { assert_eq!(thread, current_owner, "mutex already locked by another thread"); assert!( @@ -351,15 +351,14 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { /// Try unlocking by decreasing the lock count and returning the old lock /// count. If the lock count reaches 0, release the lock and potentially - /// give to a new owner. If the lock was not locked by `expected_owner`, + /// give to a new owner. If the lock was not locked by the current thread, /// return `None`. - fn mutex_unlock(&mut self, id: MutexId, expected_owner: ThreadId) -> Option { + fn mutex_unlock(&mut self, id: MutexId) -> Option { let this = self.eval_context_mut(); - let current_span = this.machine.current_span(); - let mutex = &mut this.machine.threads.sync.mutexes[id]; + let mutex = &mut this.machine.sync.mutexes[id]; if let Some(current_owner) = mutex.owner { // Mutex is locked. - if current_owner != expected_owner { + if current_owner != this.machine.threads.get_active_thread_id() { // Only the owner can unlock the mutex. return None; } @@ -372,7 +371,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { // The mutex is completely unlocked. Try transferring ownership // to another thread. if let Some(data_race) = &this.machine.data_race { - mutex.clock.clone_from(&data_race.release_clock(current_owner, current_span)); + mutex.clock.clone_from(&data_race.release_clock(&this.machine.threads)); } this.mutex_dequeue_and_lock(id); } @@ -388,7 +387,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { fn mutex_enqueue_and_block(&mut self, id: MutexId, thread: ThreadId) { let this = self.eval_context_mut(); assert!(this.mutex_is_locked(id), "queing on unlocked mutex"); - this.machine.threads.sync.mutexes[id].queue.push_back(thread); + this.machine.sync.mutexes[id].queue.push_back(thread); this.block_thread(thread, BlockReason::Mutex(id)); } @@ -400,14 +399,14 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { F: FnOnce(&mut MiriInterpCx<'mir, 'tcx>, RwLockId) -> InterpResult<'tcx, Option>, { let this = self.eval_context_mut(); - let next_index = this.machine.threads.sync.rwlocks.next_index(); + let next_index = this.machine.sync.rwlocks.next_index(); if let Some(old) = existing(this, next_index)? { - if this.machine.threads.sync.rwlocks.get(old).is_none() { + if this.machine.sync.rwlocks.get(old).is_none() { throw_ub_format!("rwlock has invalid ID"); } Ok(old) } else { - let new_index = this.machine.threads.sync.rwlocks.push(Default::default()); + let new_index = this.machine.sync.rwlocks.push(Default::default()); assert_eq!(next_index, new_index); Ok(new_index) } @@ -417,7 +416,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { /// Check if locked. fn rwlock_is_locked(&self, id: RwLockId) -> bool { let this = self.eval_context_ref(); - let rwlock = &this.machine.threads.sync.rwlocks[id]; + let rwlock = &this.machine.sync.rwlocks[id]; trace!( "rwlock_is_locked: {:?} writer is {:?} and there are {} reader threads (some of which could hold multiple read locks)", id, @@ -431,7 +430,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { #[inline] fn rwlock_is_write_locked(&self, id: RwLockId) -> bool { let this = self.eval_context_ref(); - let rwlock = &this.machine.threads.sync.rwlocks[id]; + let rwlock = &this.machine.sync.rwlocks[id]; trace!("rwlock_is_write_locked: {:?} writer is {:?}", id, rwlock.writer); rwlock.writer.is_some() } @@ -442,7 +441,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let this = self.eval_context_mut(); assert!(!this.rwlock_is_write_locked(id), "the lock is write locked"); trace!("rwlock_reader_lock: {:?} now also held (one more time) by {:?}", id, reader); - let rwlock = &mut this.machine.threads.sync.rwlocks[id]; + let rwlock = &mut this.machine.sync.rwlocks[id]; let count = rwlock.readers.entry(reader).or_insert(0); *count = count.checked_add(1).expect("the reader counter overflowed"); if let Some(data_race) = &this.machine.data_race { @@ -450,29 +449,29 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } } - /// Try read-unlock the lock for `reader` and potentially give the lock to a new owner. + /// Try read-unlock the lock for the current threads and potentially give the lock to a new owner. /// Returns `true` if succeeded, `false` if this `reader` did not hold the lock. - fn rwlock_reader_unlock(&mut self, id: RwLockId, reader: ThreadId) -> bool { + fn rwlock_reader_unlock(&mut self, id: RwLockId) -> bool { let this = self.eval_context_mut(); - let current_span = this.machine.current_span(); - let rwlock = &mut this.machine.threads.sync.rwlocks[id]; - match rwlock.readers.entry(reader) { + let thread = this.get_active_thread(); + let rwlock = &mut this.machine.sync.rwlocks[id]; + match rwlock.readers.entry(thread) { Entry::Occupied(mut entry) => { let count = entry.get_mut(); assert!(*count > 0, "rwlock locked with count == 0"); *count -= 1; if *count == 0 { - trace!("rwlock_reader_unlock: {:?} no longer held by {:?}", id, reader); + trace!("rwlock_reader_unlock: {:?} no longer held by {:?}", id, thread); entry.remove(); } else { - trace!("rwlock_reader_unlock: {:?} held one less time by {:?}", id, reader); + trace!("rwlock_reader_unlock: {:?} held one less time by {:?}", id, thread); } } Entry::Vacant(_) => return false, // we did not even own this lock } if let Some(data_race) = &this.machine.data_race { // Add this to the shared-release clock of all concurrent readers. - rwlock.clock_current_readers.join(&data_race.release_clock(reader, current_span)); + rwlock.clock_current_readers.join(&data_race.release_clock(&this.machine.threads)); } // The thread was a reader. If the lock is not held any more, give it to a writer. @@ -480,7 +479,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { // All the readers are finished, so set the writer data-race handle to the value // of the union of all reader data race handles, since the set of readers // happen-before the writers - let rwlock = &mut this.machine.threads.sync.rwlocks[id]; + let rwlock = &mut this.machine.sync.rwlocks[id]; rwlock.clock_unlocked.clone_from(&rwlock.clock_current_readers); this.rwlock_dequeue_and_lock_writer(id); } @@ -492,7 +491,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { fn rwlock_enqueue_and_block_reader(&mut self, id: RwLockId, reader: ThreadId) { let this = self.eval_context_mut(); assert!(this.rwlock_is_write_locked(id), "read-queueing on not write locked rwlock"); - this.machine.threads.sync.rwlocks[id].reader_queue.push_back(reader); + this.machine.sync.rwlocks[id].reader_queue.push_back(reader); this.block_thread(reader, BlockReason::RwLock(id)); } @@ -502,31 +501,30 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let this = self.eval_context_mut(); assert!(!this.rwlock_is_locked(id), "the rwlock is already locked"); trace!("rwlock_writer_lock: {:?} now held by {:?}", id, writer); - let rwlock = &mut this.machine.threads.sync.rwlocks[id]; + let rwlock = &mut this.machine.sync.rwlocks[id]; rwlock.writer = Some(writer); if let Some(data_race) = &this.machine.data_race { data_race.acquire_clock(&rwlock.clock_unlocked, writer); } } - /// Try to unlock by removing the writer. + /// Try to unlock an rwlock held by the current thread. + /// Return `false` if it is held by another thread. #[inline] - fn rwlock_writer_unlock(&mut self, id: RwLockId, expected_writer: ThreadId) -> bool { + fn rwlock_writer_unlock(&mut self, id: RwLockId) -> bool { let this = self.eval_context_mut(); - let current_span = this.machine.current_span(); - let rwlock = &mut this.machine.threads.sync.rwlocks[id]; + let thread = this.get_active_thread(); + let rwlock = &mut this.machine.sync.rwlocks[id]; if let Some(current_writer) = rwlock.writer { - if current_writer != expected_writer { + if current_writer != thread { // Only the owner can unlock the rwlock. return false; } rwlock.writer = None; - trace!("rwlock_writer_unlock: {:?} unlocked by {:?}", id, expected_writer); + trace!("rwlock_writer_unlock: {:?} unlocked by {:?}", id, thread); // Release memory to next lock holder. if let Some(data_race) = &this.machine.data_race { - rwlock - .clock_unlocked - .clone_from(&*data_race.release_clock(current_writer, current_span)); + rwlock.clock_unlocked.clone_from(&*data_race.release_clock(&this.machine.threads)); } // The thread was a writer. // @@ -552,7 +550,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { fn rwlock_enqueue_and_block_writer(&mut self, id: RwLockId, writer: ThreadId) { let this = self.eval_context_mut(); assert!(this.rwlock_is_locked(id), "write-queueing on unlocked rwlock"); - this.machine.threads.sync.rwlocks[id].writer_queue.push_back(writer); + this.machine.sync.rwlocks[id].writer_queue.push_back(writer); this.block_thread(writer, BlockReason::RwLock(id)); } @@ -567,14 +565,14 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { ) -> InterpResult<'tcx, Option>, { let this = self.eval_context_mut(); - let next_index = this.machine.threads.sync.condvars.next_index(); + let next_index = this.machine.sync.condvars.next_index(); if let Some(old) = existing(this, next_index)? { - if this.machine.threads.sync.condvars.get(old).is_none() { + if this.machine.sync.condvars.get(old).is_none() { throw_ub_format!("condvar has invalid ID"); } Ok(old) } else { - let new_index = this.machine.threads.sync.condvars.push(Default::default()); + let new_index = this.machine.sync.condvars.push(Default::default()); assert_eq!(next_index, new_index); Ok(new_index) } @@ -584,13 +582,13 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { #[inline] fn condvar_is_awaited(&mut self, id: CondvarId) -> bool { let this = self.eval_context_mut(); - !this.machine.threads.sync.condvars[id].waiters.is_empty() + !this.machine.sync.condvars[id].waiters.is_empty() } /// Mark that the thread is waiting on the conditional variable. fn condvar_wait(&mut self, id: CondvarId, thread: ThreadId, lock: MutexId) { let this = self.eval_context_mut(); - let waiters = &mut this.machine.threads.sync.condvars[id].waiters; + let waiters = &mut this.machine.sync.condvars[id].waiters; assert!(waiters.iter().all(|waiter| waiter.thread != thread), "thread is already waiting"); waiters.push_back(CondvarWaiter { thread, lock }); } @@ -599,14 +597,12 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { /// variable. fn condvar_signal(&mut self, id: CondvarId) -> Option<(ThreadId, MutexId)> { let this = self.eval_context_mut(); - let current_thread = this.get_active_thread(); - let current_span = this.machine.current_span(); - let condvar = &mut this.machine.threads.sync.condvars[id]; + let condvar = &mut this.machine.sync.condvars[id]; let data_race = &this.machine.data_race; // Each condvar signal happens-before the end of the condvar wake if let Some(data_race) = data_race { - condvar.clock.clone_from(&*data_race.release_clock(current_thread, current_span)); + condvar.clock.clone_from(&*data_race.release_clock(&this.machine.threads)); } condvar.waiters.pop_front().map(|waiter| { if let Some(data_race) = data_race { @@ -620,12 +616,12 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { /// Remove the thread from the queue of threads waiting on this conditional variable. fn condvar_remove_waiter(&mut self, id: CondvarId, thread: ThreadId) { let this = self.eval_context_mut(); - this.machine.threads.sync.condvars[id].waiters.retain(|waiter| waiter.thread != thread); + this.machine.sync.condvars[id].waiters.retain(|waiter| waiter.thread != thread); } fn futex_wait(&mut self, addr: u64, thread: ThreadId, bitset: u32) { let this = self.eval_context_mut(); - let futex = &mut this.machine.threads.sync.futexes.entry(addr).or_default(); + let futex = &mut this.machine.sync.futexes.entry(addr).or_default(); let waiters = &mut futex.waiters; assert!(waiters.iter().all(|waiter| waiter.thread != thread), "thread is already waiting"); waiters.push_back(FutexWaiter { thread, bitset }); @@ -633,14 +629,12 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { fn futex_wake(&mut self, addr: u64, bitset: u32) -> Option { let this = self.eval_context_mut(); - let current_thread = this.get_active_thread(); - let current_span = this.machine.current_span(); - let futex = &mut this.machine.threads.sync.futexes.get_mut(&addr)?; + let futex = &mut this.machine.sync.futexes.get_mut(&addr)?; let data_race = &this.machine.data_race; // Each futex-wake happens-before the end of the futex wait if let Some(data_race) = data_race { - futex.clock.clone_from(&*data_race.release_clock(current_thread, current_span)); + futex.clock.clone_from(&*data_race.release_clock(&this.machine.threads)); } // Wake up the first thread in the queue that matches any of the bits in the bitset. @@ -655,7 +649,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { fn futex_remove_waiter(&mut self, addr: u64, thread: ThreadId) { let this = self.eval_context_mut(); - if let Some(futex) = this.machine.threads.sync.futexes.get_mut(&addr) { + if let Some(futex) = this.machine.sync.futexes.get_mut(&addr) { futex.waiters.retain(|waiter| waiter.thread != thread); } } diff --git a/src/tools/miri/src/concurrency/thread.rs b/src/tools/miri/src/concurrency/thread.rs index 24e2c2538523..cdc9cba66463 100644 --- a/src/tools/miri/src/concurrency/thread.rs +++ b/src/tools/miri/src/concurrency/thread.rs @@ -19,7 +19,6 @@ use rustc_span::Span; use rustc_target::spec::abi::Abi; use crate::concurrency::data_race; -use crate::concurrency::sync::SynchronizationState; use crate::shims::tls; use crate::*; @@ -368,9 +367,6 @@ pub struct ThreadManager<'mir, 'tcx> { /// /// Note that this vector also contains terminated threads. threads: IndexVec>, - /// This field is pub(crate) because the synchronization primitives - /// (`crate::sync`) need a way to access it. - pub(crate) sync: SynchronizationState<'mir, 'tcx>, /// A mapping from a thread-local static to an allocation id of a thread /// specific allocation. thread_local_alloc_ids: RefCell>>, @@ -388,7 +384,6 @@ impl VisitProvenance for ThreadManager<'_, '_> { timeout_callbacks, active_thread: _, yield_active_thread: _, - sync, } = self; for thread in threads { @@ -400,7 +395,6 @@ impl VisitProvenance for ThreadManager<'_, '_> { for callback in timeout_callbacks.values() { callback.callback.visit_provenance(visit); } - sync.visit_provenance(visit); } } @@ -412,7 +406,6 @@ impl<'mir, 'tcx> Default for ThreadManager<'mir, 'tcx> { Self { active_thread: ThreadId::MAIN_THREAD, threads, - sync: SynchronizationState::default(), thread_local_alloc_ids: Default::default(), yield_active_thread: false, timeout_callbacks: FxHashMap::default(), diff --git a/src/tools/miri/src/lib.rs b/src/tools/miri/src/lib.rs index d23a44c376bc..1a663ba0704b 100644 --- a/src/tools/miri/src/lib.rs +++ b/src/tools/miri/src/lib.rs @@ -35,6 +35,7 @@ clippy::bool_to_int_with_if, clippy::box_default, clippy::needless_question_mark, + clippy::needless_lifetimes, rustc::diagnostic_outside_of_impl, // We are not implementing queries here so it's fine rustc::potential_query_instability, @@ -120,7 +121,7 @@ pub use crate::clock::{Clock, Instant}; pub use crate::concurrency::{ data_race::{AtomicFenceOrd, AtomicReadOrd, AtomicRwOrd, AtomicWriteOrd, EvalContextExt as _}, init_once::{EvalContextExt as _, InitOnceId}, - sync::{CondvarId, EvalContextExt as _, MutexId, RwLockId, SyncId}, + sync::{CondvarId, EvalContextExt as _, MutexId, RwLockId, SynchronizationObjects}, thread::{ BlockReason, CallbackTime, EvalContextExt as _, StackEmptyCallback, ThreadId, ThreadManager, }, diff --git a/src/tools/miri/src/machine.rs b/src/tools/miri/src/machine.rs index 0c6a2560b133..cd9ab03dc687 100644 --- a/src/tools/miri/src/machine.rs +++ b/src/tools/miri/src/machine.rs @@ -472,6 +472,8 @@ pub struct MiriMachine<'mir, 'tcx> { /// The set of threads. pub(crate) threads: ThreadManager<'mir, 'tcx>, + /// The state of the primitive synchronization objects. + pub(crate) sync: SynchronizationObjects<'mir, 'tcx>, /// Precomputed `TyLayout`s for primitive data types that are commonly used inside Miri. pub(crate) layouts: PrimitiveLayouts<'tcx>, @@ -644,6 +646,7 @@ impl<'mir, 'tcx> MiriMachine<'mir, 'tcx> { dirs: Default::default(), layouts, threads: ThreadManager::default(), + sync: SynchronizationObjects::default(), static_roots: Vec::new(), profiler, string_cache: Default::default(), @@ -767,6 +770,7 @@ impl VisitProvenance for MiriMachine<'_, '_> { #[rustfmt::skip] let MiriMachine { threads, + sync, tls, env_vars, main_fn_ret_place, @@ -815,6 +819,7 @@ impl VisitProvenance for MiriMachine<'_, '_> { } = self; threads.visit_provenance(visit); + sync.visit_provenance(visit); tls.visit_provenance(visit); env_vars.visit_provenance(visit); dirs.visit_provenance(visit); diff --git a/src/tools/miri/src/shims/unix/sync.rs b/src/tools/miri/src/shims/unix/sync.rs index 0ba03d4ab780..79358da0894a 100644 --- a/src/tools/miri/src/shims/unix/sync.rs +++ b/src/tools/miri/src/shims/unix/sync.rs @@ -410,18 +410,19 @@ fn post_cond_signal<'mir, 'tcx: 'mir>( /// entering the waiting state. fn release_cond_mutex_and_block<'mir, 'tcx: 'mir>( ecx: &mut MiriInterpCx<'mir, 'tcx>, - active_thread: ThreadId, + thread: ThreadId, condvar: CondvarId, mutex: MutexId, ) -> InterpResult<'tcx> { - if let Some(old_locked_count) = ecx.mutex_unlock(mutex, active_thread) { + assert_eq!(ecx.get_active_thread(), thread); + if let Some(old_locked_count) = ecx.mutex_unlock(mutex) { if old_locked_count != 1 { throw_unsup_format!("awaiting on a lock acquired multiple times is not supported"); } } else { throw_ub_format!("awaiting on unlocked or owned by a different thread mutex"); } - ecx.block_thread(active_thread, BlockReason::Condvar(condvar)); + ecx.block_thread(thread, BlockReason::Condvar(condvar)); Ok(()) } @@ -611,9 +612,8 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let kind = mutex_get_kind(this, mutex_op)?; let id = mutex_get_id(this, mutex_op)?; - let active_thread = this.get_active_thread(); - if let Some(_old_locked_count) = this.mutex_unlock(id, active_thread) { + if let Some(_old_locked_count) = this.mutex_unlock(id) { // The mutex was locked by the current thread. Ok(0) } else { @@ -752,12 +752,11 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let this = self.eval_context_mut(); let id = rwlock_get_id(this, rwlock_op)?; - let active_thread = this.get_active_thread(); #[allow(clippy::if_same_then_else)] - if this.rwlock_reader_unlock(id, active_thread) { + if this.rwlock_reader_unlock(id) { Ok(0) - } else if this.rwlock_writer_unlock(id, active_thread) { + } else if this.rwlock_writer_unlock(id) { Ok(0) } else { throw_ub_format!("unlocked an rwlock that was not locked by the active thread"); @@ -981,6 +980,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { impl<'mir, 'tcx: 'mir> MachineCallback<'mir, 'tcx> for Callback<'tcx> { fn call(&self, ecx: &mut MiriInterpCx<'mir, 'tcx>) -> InterpResult<'tcx> { + assert_eq!(self.active_thread, ecx.get_active_thread()); // We are not waiting for the condvar any more, wait for the // mutex instead. reacquire_cond_mutex(ecx, self.active_thread, self.id, self.mutex_id)?; From b06b122d8c49928bb3dc597c1d6cdfe11b414079 Mon Sep 17 00:00:00 2001 From: Lzu Tao Date: Sun, 26 May 2024 09:18:30 +0000 Subject: [PATCH 0571/1716] use proper name instead of magic number --- library/test/src/bench.rs | 2 +- library/test/src/term/win.rs | 12 +++++------- 2 files changed, 6 insertions(+), 8 deletions(-) diff --git a/library/test/src/bench.rs b/library/test/src/bench.rs index 9a5dc351f6d0..64ca13c0d4ed 100644 --- a/library/test/src/bench.rs +++ b/library/test/src/bench.rs @@ -98,7 +98,7 @@ fn fmt_thousands_sep(mut n: f64, sep: char) -> String { (0, true) => write!(output, "{:06.2}", n / base as f64).unwrap(), (0, false) => write!(output, "{:.2}", n / base as f64).unwrap(), (_, true) => write!(output, "{:03}", n as usize / base).unwrap(), - _ => write!(output, "{}", n as usize / base).unwrap() + _ => write!(output, "{}", n as usize / base).unwrap(), } if pow != 0 { output.push(sep); diff --git a/library/test/src/term/win.rs b/library/test/src/term/win.rs index 55020141a827..65764c0ffc1b 100644 --- a/library/test/src/term/win.rs +++ b/library/test/src/term/win.rs @@ -22,6 +22,8 @@ type WORD = u16; type DWORD = u32; type BOOL = i32; type HANDLE = *mut u8; +// https://docs.microsoft.com/en-us/windows/console/getstdhandle +const STD_OUTPUT_HANDLE: DWORD = -11 as _; #[allow(non_snake_case)] #[repr(C)] @@ -99,16 +101,13 @@ impl WinConsole { accum |= color_to_bits(self.background) << 4; unsafe { - // Magic -11 means stdout, from - // https://docs.microsoft.com/en-us/windows/console/getstdhandle - // // You may be wondering, "but what about stderr?", and the answer // to that is that setting terminal attributes on the stdout // handle also sets them for stderr, since they go to the same // terminal! Admittedly, this is fragile, since stderr could be // redirected to a different console. This is good enough for // rustc though. See #13400. - let out = GetStdHandle(-11i32 as DWORD); + let out = GetStdHandle(STD_OUTPUT_HANDLE); SetConsoleTextAttribute(out, accum); } } @@ -120,9 +119,8 @@ impl WinConsole { let bg; unsafe { let mut buffer_info = MaybeUninit::::uninit(); - if GetConsoleScreenBufferInfo(GetStdHandle(-11i32 as DWORD), buffer_info.as_mut_ptr()) - != 0 - { + let handle = GetStdHandle(STD_OUTPUT_HANDLE); + if GetConsoleScreenBufferInfo(handle, buffer_info.as_mut_ptr()) != 0 { let buffer_info = buffer_info.assume_init(); fg = bits_to_color(buffer_info.wAttributes); bg = bits_to_color(buffer_info.wAttributes >> 4); From 96a731e5b86bde5b1939e63f9e7f38d4dbffb593 Mon Sep 17 00:00:00 2001 From: Lzu Tao Date: Sun, 26 May 2024 09:32:39 +0000 Subject: [PATCH 0572/1716] f32: use constants instead of reassigning a dummy value as PI --- library/core/src/num/f32.rs | 4 ++-- library/core/src/num/f64.rs | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/library/core/src/num/f32.rs b/library/core/src/num/f32.rs index 2e715fb0bdde..19fc4489618f 100644 --- a/library/core/src/num/f32.rs +++ b/library/core/src/num/f32.rs @@ -901,8 +901,8 @@ impl f32 { #[stable(feature = "f32_deg_rad_conversions", since = "1.7.0")] #[inline] pub fn to_radians(self) -> f32 { - let value: f32 = consts::PI; - self * (value / 180.0f32) + const RADS_PER_DEG: f32 = consts::PI / 180.0; + self * RADS_PER_DEG } /// Returns the maximum of the two numbers, ignoring NaN. diff --git a/library/core/src/num/f64.rs b/library/core/src/num/f64.rs index db8e1f318adb..34357d1b05ad 100644 --- a/library/core/src/num/f64.rs +++ b/library/core/src/num/f64.rs @@ -912,8 +912,8 @@ impl f64 { #[stable(feature = "rust1", since = "1.0.0")] #[inline] pub fn to_radians(self) -> f64 { - let value: f64 = consts::PI; - self * (value / 180.0) + const RADS_PER_DEG: f64 = consts::PI / 180.0; + self * RADS_PER_DEG } /// Returns the maximum of the two numbers, ignoring NaN. From 941aa47433b7702dcba706f6f1d85dfbea7a7792 Mon Sep 17 00:00:00 2001 From: Chris Denton Date: Sat, 25 May 2024 12:36:22 +0000 Subject: [PATCH 0573/1716] Do less reinstalling in mingw CI --- src/ci/scripts/install-mingw.sh | 7 ++---- src/ci/scripts/install-msys2.sh | 38 ++------------------------------- 2 files changed, 4 insertions(+), 41 deletions(-) diff --git a/src/ci/scripts/install-mingw.sh b/src/ci/scripts/install-mingw.sh index 87b835b63db5..45541b8b6934 100755 --- a/src/ci/scripts/install-mingw.sh +++ b/src/ci/scripts/install-mingw.sh @@ -12,7 +12,7 @@ source "$(cd "$(dirname "$0")" && pwd)/../shared.sh" MINGW_ARCHIVE_32="i686-12.2.0-release-posix-dwarf-rt_v10-rev0.7z" MINGW_ARCHIVE_64="x86_64-12.2.0-release-posix-seh-rt_v10-rev0.7z" -if isWindows; then +if isWindows && isKnownToBeMingwBuild; then case "${CI_JOB_NAME}" in *i686*) bits=32 @@ -39,10 +39,7 @@ if isWindows; then esac if [[ "${CUSTOM_MINGW:-0}" == 0 ]]; then - pacboy -S --noconfirm toolchain:p - # According to the comment in the Windows part of install-clang.sh, in the future we might - # want to do this instead: - # pacboy -S --noconfirm clang:p ... + pacman -S --noconfirm --needed mingw-w64-$arch-toolchain else mingw_dir="mingw${bits}" diff --git a/src/ci/scripts/install-msys2.sh b/src/ci/scripts/install-msys2.sh index 2ae782356047..968b1e572e43 100755 --- a/src/ci/scripts/install-msys2.sh +++ b/src/ci/scripts/install-msys2.sh @@ -1,6 +1,6 @@ #!/bin/bash -# Clean up and prepare the MSYS2 installation. MSYS2 is needed primarily for -# the test suite (run-make), but is also used by the MinGW toolchain for assembling things. +# Clean up and prepare the MSYS2 installation. +# MSYS2 is used by the MinGW toolchain for assembling things. set -euo pipefail IFS=$'\n\t' @@ -24,38 +24,4 @@ if isWindows; then fi ciCommandAddPath "C:\\hostedtoolcache\\windows\\Python\\${native_python_version}\\x64" ciCommandAddPath "C:\\hostedtoolcache\\windows\\Python\\${native_python_version}\\x64\\Scripts" - - # Install pacboy for easily installing packages - pacman -S --noconfirm pactoys - - # Remove these pre-installed tools so we can't accidentally use them, because we are using the - # MSYS2 setup action versions instead. Because `rm -r`-ing them is slow, we mv them off path - # instead. - # Remove pre-installed version of MSYS2 - echo "Cleaning up existing tools in PATH" - notpath="/c/NOT/ON/PATH/" - mkdir --parents "$notpath" - mv -t "$notpath" "/c/msys64/" - # Remove Strawberry Perl, which contains a version of mingw - mv -t "$notpath" "/c/Strawberry/" - # Remove these other copies of mingw, I don't even know where they come from. - mv -t "$notpath" "/c/mingw64/" - mv -t "$notpath" "/c/mingw32/" - echo "Finished cleaning up tools in PATH" - - if isKnownToBeMingwBuild; then - # Use the mingw version of CMake for mingw builds. - # However, the MSVC build needs native CMake, as it fails with the mingw one. - # Delete native CMake - rm -r "/c/Program Files/CMake/" - # Install mingw-w64-$arch-cmake - pacboy -S --noconfirm cmake:p - - # It would be nice to use MSYS's git in MinGW builds so that it's tested and known to - # work. But it makes everything extremely slow, so it's commented out for now. - # # Delete Windows-Git - # rm -r "/c/Program Files/Git/" - # # Install MSYS2 git - # pacman -S --noconfirm git - fi fi From c53cea90ad4727fa190d5e548f09c2ce9e963470 Mon Sep 17 00:00:00 2001 From: WeiTheShinobi Date: Sun, 26 May 2024 17:54:44 +0800 Subject: [PATCH 0574/1716] fix: let non_canonical_impls skip proc marco --- clippy_lints/src/non_canonical_impls.rs | 5 +++++ tests/ui/auxiliary/proc_macro_derive.rs | 14 ++++++++++++++ tests/ui/non_canonical_clone_impl.fixed | 5 +++++ tests/ui/non_canonical_clone_impl.rs | 5 +++++ tests/ui/non_canonical_clone_impl.stderr | 8 ++++---- 5 files changed, 33 insertions(+), 4 deletions(-) diff --git a/clippy_lints/src/non_canonical_impls.rs b/clippy_lints/src/non_canonical_impls.rs index 932d6fe54d66..bbefc74e8d2a 100644 --- a/clippy_lints/src/non_canonical_impls.rs +++ b/clippy_lints/src/non_canonical_impls.rs @@ -128,6 +128,11 @@ impl LateLintPass<'_> for NonCanonicalImpls { let ExprKind::Block(block, ..) = body.value.kind else { return; }; + if let Some(expr) = block.expr + && expr.span.from_expansion() + { + return; + } if cx.tcx.is_diagnostic_item(sym::Clone, trait_impl.def_id) && let Some(copy_def_id) = cx.tcx.get_diagnostic_item(sym::Copy) diff --git a/tests/ui/auxiliary/proc_macro_derive.rs b/tests/ui/auxiliary/proc_macro_derive.rs index 79a95d775b11..36ec31a7873f 100644 --- a/tests/ui/auxiliary/proc_macro_derive.rs +++ b/tests/ui/auxiliary/proc_macro_derive.rs @@ -169,3 +169,17 @@ pub fn derive_ignored_unit_pattern(_: TokenStream) -> TokenStream { } } } + +#[proc_macro_derive(NonCanonicalClone)] +pub fn non_canonical_clone_derive(_: TokenStream) -> TokenStream { + quote! { + struct NonCanonicalClone; + impl Clone for NonCanonicalClone { + fn clone(&self) -> Self { + let a = *self; + a + } + } + impl Copy for NonCanonicalClone {} + } +} diff --git a/tests/ui/non_canonical_clone_impl.fixed b/tests/ui/non_canonical_clone_impl.fixed index 7d1be412e54f..26274fe65747 100644 --- a/tests/ui/non_canonical_clone_impl.fixed +++ b/tests/ui/non_canonical_clone_impl.fixed @@ -1,3 +1,4 @@ +//@aux-build:proc_macro_derive.rs #![allow(clippy::clone_on_copy, unused)] #![allow(clippy::assigning_clones)] #![no_main] @@ -95,3 +96,7 @@ impl Clone for Uwu { } impl Copy for Uwu {} + +// should skip proc macros, see https://github.com/rust-lang/rust-clippy/issues/12788 +#[derive(proc_macro_derive::NonCanonicalClone)] +pub struct G; diff --git a/tests/ui/non_canonical_clone_impl.rs b/tests/ui/non_canonical_clone_impl.rs index beae05efb2fb..e2b278ac493b 100644 --- a/tests/ui/non_canonical_clone_impl.rs +++ b/tests/ui/non_canonical_clone_impl.rs @@ -1,3 +1,4 @@ +//@aux-build:proc_macro_derive.rs #![allow(clippy::clone_on_copy, unused)] #![allow(clippy::assigning_clones)] #![no_main] @@ -105,3 +106,7 @@ impl Clone for Uwu { } impl Copy for Uwu {} + +// should skip proc macros, see https://github.com/rust-lang/rust-clippy/issues/12788 +#[derive(proc_macro_derive::NonCanonicalClone)] +pub struct G; diff --git a/tests/ui/non_canonical_clone_impl.stderr b/tests/ui/non_canonical_clone_impl.stderr index 6bfc99d988bb..80258ee8c773 100644 --- a/tests/ui/non_canonical_clone_impl.stderr +++ b/tests/ui/non_canonical_clone_impl.stderr @@ -1,5 +1,5 @@ error: non-canonical implementation of `clone` on a `Copy` type - --> tests/ui/non_canonical_clone_impl.rs:10:29 + --> tests/ui/non_canonical_clone_impl.rs:11:29 | LL | fn clone(&self) -> Self { | _____________________________^ @@ -11,7 +11,7 @@ LL | | } = help: to override `-D warnings` add `#[allow(clippy::non_canonical_clone_impl)]` error: unnecessary implementation of `clone_from` on a `Copy` type - --> tests/ui/non_canonical_clone_impl.rs:14:5 + --> tests/ui/non_canonical_clone_impl.rs:15:5 | LL | / fn clone_from(&mut self, source: &Self) { LL | | source.clone(); @@ -20,7 +20,7 @@ LL | | } | |_____^ help: remove it error: non-canonical implementation of `clone` on a `Copy` type - --> tests/ui/non_canonical_clone_impl.rs:81:29 + --> tests/ui/non_canonical_clone_impl.rs:82:29 | LL | fn clone(&self) -> Self { | _____________________________^ @@ -29,7 +29,7 @@ LL | | } | |_____^ help: change this to: `{ *self }` error: unnecessary implementation of `clone_from` on a `Copy` type - --> tests/ui/non_canonical_clone_impl.rs:85:5 + --> tests/ui/non_canonical_clone_impl.rs:86:5 | LL | / fn clone_from(&mut self, source: &Self) { LL | | source.clone(); From a13124355721a18af738961ef6c85082f469249b Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sun, 26 May 2024 15:18:59 +0200 Subject: [PATCH 0575/1716] completely refactor how we manage blocking and unblocking threads --- src/tools/miri/src/alloc_addresses/mod.rs | 4 +- src/tools/miri/src/concurrency/data_race.rs | 20 +- src/tools/miri/src/concurrency/init_once.rs | 110 +--- src/tools/miri/src/concurrency/sync.rs | 531 ++++++++++++------ src/tools/miri/src/concurrency/thread.rs | 515 ++++++++--------- src/tools/miri/src/diagnostics.rs | 8 +- src/tools/miri/src/lib.rs | 3 +- src/tools/miri/src/machine.rs | 7 +- src/tools/miri/src/shims/time.rs | 42 +- src/tools/miri/src/shims/tls.rs | 6 +- .../miri/src/shims/unix/foreign_items.rs | 16 +- src/tools/miri/src/shims/unix/linux/sync.rs | 72 +-- .../src/shims/unix/macos/foreign_items.rs | 2 +- src/tools/miri/src/shims/unix/sync.rs | 213 ++----- src/tools/miri/src/shims/unix/thread.rs | 2 +- .../miri/src/shims/windows/foreign_items.rs | 11 +- src/tools/miri/src/shims/windows/sync.rs | 163 +++--- src/tools/miri/src/shims/windows/thread.rs | 2 +- 18 files changed, 832 insertions(+), 895 deletions(-) diff --git a/src/tools/miri/src/alloc_addresses/mod.rs b/src/tools/miri/src/alloc_addresses/mod.rs index 58241538795e..9ec9ae317f4f 100644 --- a/src/tools/miri/src/alloc_addresses/mod.rs +++ b/src/tools/miri/src/alloc_addresses/mod.rs @@ -169,7 +169,7 @@ trait EvalContextExtPriv<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { size, align, memory_kind, - ecx.get_active_thread(), + ecx.active_thread(), ) { if let Some(clock) = clock { ecx.acquire_clock(&clock); @@ -367,7 +367,7 @@ impl<'mir, 'tcx> MiriMachine<'mir, 'tcx> { // `alloc_id_from_addr` any more. global_state.exposed.remove(&dead_id); // Also remember this address for future reuse. - let thread = self.threads.get_active_thread_id(); + let thread = self.threads.active_thread(); global_state.reuse.add_addr(rng, addr, size, align, kind, thread, || { if let Some(data_race) = &self.data_race { data_race.release_clock(&self.threads).clone() diff --git a/src/tools/miri/src/concurrency/data_race.rs b/src/tools/miri/src/concurrency/data_race.rs index da6fa4f3405c..f22dbf49e8b1 100644 --- a/src/tools/miri/src/concurrency/data_race.rs +++ b/src/tools/miri/src/concurrency/data_race.rs @@ -839,7 +839,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: MiriInterpCxExt<'mir, 'tcx> { fn acquire_clock(&self, clock: &VClock) { let this = self.eval_context_ref(); if let Some(data_race) = &this.machine.data_race { - data_race.acquire_clock(clock, this.get_active_thread()); + data_race.acquire_clock(clock, &this.machine.threads); } } } @@ -1662,13 +1662,14 @@ impl GlobalState { /// This should be called strictly before any calls to /// `thread_joined`. #[inline] - pub fn thread_terminated(&mut self, thread_mgr: &ThreadManager<'_, '_>, current_span: Span) { + pub fn thread_terminated(&mut self, thread_mgr: &ThreadManager<'_, '_>) { let current_index = self.active_thread_index(thread_mgr); // Increment the clock to a unique termination timestamp. let vector_clocks = self.vector_clocks.get_mut(); let current_clocks = &mut vector_clocks[current_index]; - current_clocks.increment_clock(current_index, current_span); + current_clocks + .increment_clock(current_index, thread_mgr.active_thread_ref().current_span()); // Load the current thread id for the executing vector. let vector_info = self.vector_info.get_mut(); @@ -1722,11 +1723,12 @@ impl GlobalState { format!("thread `{thread_name}`") } - /// Acquire the given clock into the given thread, establishing synchronization with + /// Acquire the given clock into the current thread, establishing synchronization with /// the moment when that clock snapshot was taken via `release_clock`. /// As this is an acquire operation, the thread timestamp is not /// incremented. - pub fn acquire_clock(&self, clock: &VClock, thread: ThreadId) { + pub fn acquire_clock<'mir, 'tcx>(&self, clock: &VClock, threads: &ThreadManager<'mir, 'tcx>) { + let thread = threads.active_thread(); let (_, mut clocks) = self.thread_state_mut(thread); clocks.clock.join(clock); } @@ -1738,7 +1740,7 @@ impl GlobalState { &self, threads: &ThreadManager<'mir, 'tcx>, ) -> Ref<'_, VClock> { - let thread = threads.get_active_thread_id(); + let thread = threads.active_thread(); let span = threads.active_thread_ref().current_span(); // We increment the clock each time this happens, to ensure no two releases // can be confused with each other. @@ -1782,7 +1784,7 @@ impl GlobalState { &self, thread_mgr: &ThreadManager<'_, '_>, ) -> (VectorIdx, Ref<'_, ThreadClockSet>) { - self.thread_state(thread_mgr.get_active_thread_id()) + self.thread_state(thread_mgr.active_thread()) } /// Load the current vector clock in use and the current set of thread clocks @@ -1792,14 +1794,14 @@ impl GlobalState { &self, thread_mgr: &ThreadManager<'_, '_>, ) -> (VectorIdx, RefMut<'_, ThreadClockSet>) { - self.thread_state_mut(thread_mgr.get_active_thread_id()) + self.thread_state_mut(thread_mgr.active_thread()) } /// Return the current thread, should be the same /// as the data-race active thread. #[inline] fn active_thread_index(&self, thread_mgr: &ThreadManager<'_, '_>) -> VectorIdx { - let active_thread_id = thread_mgr.get_active_thread_id(); + let active_thread_id = thread_mgr.active_thread(); self.thread_index(active_thread_id) } diff --git a/src/tools/miri/src/concurrency/init_once.rs b/src/tools/miri/src/concurrency/init_once.rs index 6469c90c6932..1ee84273b58c 100644 --- a/src/tools/miri/src/concurrency/init_once.rs +++ b/src/tools/miri/src/concurrency/init_once.rs @@ -4,29 +4,11 @@ use rustc_index::Idx; use rustc_middle::ty::layout::TyAndLayout; use super::sync::EvalContextExtPriv as _; -use super::thread::MachineCallback; use super::vector_clock::VClock; use crate::*; declare_id!(InitOnceId); -/// A thread waiting on an InitOnce object. -struct InitOnceWaiter<'mir, 'tcx> { - /// The thread that is waiting. - thread: ThreadId, - /// The callback that should be executed, after the thread has been woken up. - callback: Box + 'tcx>, -} - -impl<'mir, 'tcx> std::fmt::Debug for InitOnceWaiter<'mir, 'tcx> { - fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { - f.debug_struct("InitOnce") - .field("thread", &self.thread) - .field("callback", &"dyn MachineCallback") - .finish() - } -} - #[derive(Default, Debug, Copy, Clone, PartialEq, Eq)] /// The current status of a one time initialization. pub enum InitOnceStatus { @@ -38,68 +20,14 @@ pub enum InitOnceStatus { /// The one time initialization state. #[derive(Default, Debug)] -pub(super) struct InitOnce<'mir, 'tcx> { +pub(super) struct InitOnce { status: InitOnceStatus, - waiters: VecDeque>, + waiters: VecDeque, clock: VClock, } -impl<'mir, 'tcx> VisitProvenance for InitOnce<'mir, 'tcx> { - fn visit_provenance(&self, visit: &mut VisitWith<'_>) { - for waiter in self.waiters.iter() { - waiter.callback.visit_provenance(visit); - } - } -} - impl<'mir, 'tcx: 'mir> EvalContextExtPriv<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} trait EvalContextExtPriv<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { - /// Synchronize with the previous initialization attempt of an InitOnce. - #[inline] - fn init_once_observe_attempt(&mut self, id: InitOnceId) { - let this = self.eval_context_mut(); - let current_thread = this.get_active_thread(); - - if let Some(data_race) = &this.machine.data_race { - data_race.acquire_clock(&this.machine.sync.init_onces[id].clock, current_thread); - } - } - - #[inline] - fn init_once_wake_waiter( - &mut self, - id: InitOnceId, - waiter: InitOnceWaiter<'mir, 'tcx>, - ) -> InterpResult<'tcx> { - let this = self.eval_context_mut(); - let current_thread = this.get_active_thread(); - - this.unblock_thread(waiter.thread, BlockReason::InitOnce(id)); - - // Call callback, with the woken-up thread as `current`. - this.set_active_thread(waiter.thread); - this.init_once_observe_attempt(id); - waiter.callback.call(this)?; - this.set_active_thread(current_thread); - - Ok(()) - } -} - -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { - fn init_once_get_or_create_id( - &mut self, - lock_op: &OpTy<'tcx, Provenance>, - lock_layout: TyAndLayout<'tcx>, - offset: u64, - ) -> InterpResult<'tcx, InitOnceId> { - let this = self.eval_context_mut(); - this.init_once_get_or_create(|ecx, next_id| { - ecx.get_or_create_id(next_id, lock_op, lock_layout, offset) - }) - } - /// Provides the closure with the next InitOnceId. Creates that InitOnce if the closure returns None, /// otherwise returns the value from the closure. #[inline] @@ -120,6 +48,21 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { Ok(new_index) } } +} + +impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} +pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { + fn init_once_get_or_create_id( + &mut self, + lock_op: &OpTy<'tcx, Provenance>, + lock_layout: TyAndLayout<'tcx>, + offset: u64, + ) -> InterpResult<'tcx, InitOnceId> { + let this = self.eval_context_mut(); + this.init_once_get_or_create(|ecx, next_id| { + ecx.get_or_create_id(next_id, lock_op, lock_layout, offset) + }) + } #[inline] fn init_once_status(&mut self, id: InitOnceId) -> InitOnceStatus { @@ -132,14 +75,14 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { fn init_once_enqueue_and_block( &mut self, id: InitOnceId, - thread: ThreadId, - callback: Box + 'tcx>, + callback: impl UnblockCallback<'mir, 'tcx> + 'tcx, ) { let this = self.eval_context_mut(); + let thread = this.active_thread(); let init_once = &mut this.machine.sync.init_onces[id]; assert_ne!(init_once.status, InitOnceStatus::Complete, "queueing on complete init once"); - init_once.waiters.push_back(InitOnceWaiter { thread, callback }); - this.block_thread(thread, BlockReason::InitOnce(id)); + init_once.waiters.push_back(thread); + this.block_thread(BlockReason::InitOnce(id), None, callback); } /// Begin initializing this InitOnce. Must only be called after checking that it is currently @@ -177,7 +120,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { // Wake up everyone. // need to take the queue to avoid having `this` be borrowed multiple times for waiter in std::mem::take(&mut init_once.waiters) { - this.init_once_wake_waiter(id, waiter)?; + this.unblock_thread(waiter, BlockReason::InitOnce(id))?; } Ok(()) @@ -192,6 +135,8 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { InitOnceStatus::Begun, "failing already completed or uninit init once" ); + // This is again uninitialized. + init_once.status = InitOnceStatus::Uninitialized; // Each complete happens-before the end of the wait if let Some(data_race) = &this.machine.data_race { @@ -200,10 +145,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { // Wake up one waiting thread, so they can go ahead and try to init this. if let Some(waiter) = init_once.waiters.pop_front() { - this.init_once_wake_waiter(id, waiter)?; - } else { - // Nobody there to take this, so go back to 'uninit' - init_once.status = InitOnceStatus::Uninitialized; + this.unblock_thread(waiter, BlockReason::InitOnce(id))?; } Ok(()) @@ -221,6 +163,6 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { "observing the completion of incomplete init once" ); - this.init_once_observe_attempt(id); + this.acquire_clock(&this.machine.sync.init_onces[id].clock); } } diff --git a/src/tools/miri/src/concurrency/sync.rs b/src/tools/miri/src/concurrency/sync.rs index a498d9e0a523..df10e15fe101 100644 --- a/src/tools/miri/src/concurrency/sync.rs +++ b/src/tools/miri/src/concurrency/sync.rs @@ -111,19 +111,10 @@ struct RwLock { declare_id!(CondvarId); -/// A thread waiting on a conditional variable. -#[derive(Debug)] -struct CondvarWaiter { - /// The thread that is waiting on this variable. - thread: ThreadId, - /// The mutex on which the thread is waiting. - lock: MutexId, -} - /// The conditional variable state. #[derive(Default, Debug)] struct Condvar { - waiters: VecDeque, + waiters: VecDeque, /// Tracks the happens-before relationship /// between a cond-var signal and a cond-var /// wait during a non-spurious signal event. @@ -155,20 +146,12 @@ struct FutexWaiter { /// The state of all synchronization objects. #[derive(Default, Debug)] -pub struct SynchronizationObjects<'mir, 'tcx> { +pub struct SynchronizationObjects { mutexes: IndexVec, rwlocks: IndexVec, condvars: IndexVec, futexes: FxHashMap, - pub(super) init_onces: IndexVec>, -} - -impl<'mir, 'tcx> VisitProvenance for SynchronizationObjects<'mir, 'tcx> { - fn visit_provenance(&self, visit: &mut VisitWith<'_>) { - for init_once in self.init_onces.iter() { - init_once.visit_provenance(visit); - } - } + pub(super) init_onces: IndexVec, } // Private extension trait for local helper methods @@ -210,45 +193,69 @@ pub(super) trait EvalContextExtPriv<'mir, 'tcx: 'mir>: }) } - /// Take a reader out of the queue waiting for the lock. - /// Returns `true` if some thread got the rwlock. + /// Provides the closure with the next MutexId. Creates that mutex if the closure returns None, + /// otherwise returns the value from the closure. #[inline] - fn rwlock_dequeue_and_lock_reader(&mut self, id: RwLockId) -> bool { + fn mutex_get_or_create(&mut self, existing: F) -> InterpResult<'tcx, MutexId> + where + F: FnOnce(&mut MiriInterpCx<'mir, 'tcx>, MutexId) -> InterpResult<'tcx, Option>, + { let this = self.eval_context_mut(); - if let Some(reader) = this.machine.sync.rwlocks[id].reader_queue.pop_front() { - this.unblock_thread(reader, BlockReason::RwLock(id)); - this.rwlock_reader_lock(id, reader); - true + let next_index = this.machine.sync.mutexes.next_index(); + if let Some(old) = existing(this, next_index)? { + if this.machine.sync.mutexes.get(old).is_none() { + throw_ub_format!("mutex has invalid ID"); + } + Ok(old) } else { - false + let new_index = this.machine.sync.mutexes.push(Default::default()); + assert_eq!(next_index, new_index); + Ok(new_index) } } - /// Take the writer out of the queue waiting for the lock. - /// Returns `true` if some thread got the rwlock. + /// Provides the closure with the next RwLockId. Creates that RwLock if the closure returns None, + /// otherwise returns the value from the closure. #[inline] - fn rwlock_dequeue_and_lock_writer(&mut self, id: RwLockId) -> bool { + fn rwlock_get_or_create(&mut self, existing: F) -> InterpResult<'tcx, RwLockId> + where + F: FnOnce(&mut MiriInterpCx<'mir, 'tcx>, RwLockId) -> InterpResult<'tcx, Option>, + { let this = self.eval_context_mut(); - if let Some(writer) = this.machine.sync.rwlocks[id].writer_queue.pop_front() { - this.unblock_thread(writer, BlockReason::RwLock(id)); - this.rwlock_writer_lock(id, writer); - true + let next_index = this.machine.sync.rwlocks.next_index(); + if let Some(old) = existing(this, next_index)? { + if this.machine.sync.rwlocks.get(old).is_none() { + throw_ub_format!("rwlock has invalid ID"); + } + Ok(old) } else { - false + let new_index = this.machine.sync.rwlocks.push(Default::default()); + assert_eq!(next_index, new_index); + Ok(new_index) } } - /// Take a thread out of the queue waiting for the mutex, and lock - /// the mutex for it. Returns `true` if some thread has the mutex now. + /// Provides the closure with the next CondvarId. Creates that Condvar if the closure returns None, + /// otherwise returns the value from the closure. #[inline] - fn mutex_dequeue_and_lock(&mut self, id: MutexId) -> bool { + fn condvar_get_or_create(&mut self, existing: F) -> InterpResult<'tcx, CondvarId> + where + F: FnOnce( + &mut MiriInterpCx<'mir, 'tcx>, + CondvarId, + ) -> InterpResult<'tcx, Option>, + { let this = self.eval_context_mut(); - if let Some(thread) = this.machine.sync.mutexes[id].queue.pop_front() { - this.unblock_thread(thread, BlockReason::Mutex(id)); - this.mutex_lock(id, thread); - true + let next_index = this.machine.sync.condvars.next_index(); + if let Some(old) = existing(this, next_index)? { + if this.machine.sync.condvars.get(old).is_none() { + throw_ub_format!("condvar has invalid ID"); + } + Ok(old) } else { - false + let new_index = this.machine.sync.condvars.push(Default::default()); + assert_eq!(next_index, new_index); + Ok(new_index) } } } @@ -295,27 +302,6 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { }) } - #[inline] - /// Provides the closure with the next MutexId. Creates that mutex if the closure returns None, - /// otherwise returns the value from the closure - fn mutex_get_or_create(&mut self, existing: F) -> InterpResult<'tcx, MutexId> - where - F: FnOnce(&mut MiriInterpCx<'mir, 'tcx>, MutexId) -> InterpResult<'tcx, Option>, - { - let this = self.eval_context_mut(); - let next_index = this.machine.sync.mutexes.next_index(); - if let Some(old) = existing(this, next_index)? { - if this.machine.sync.mutexes.get(old).is_none() { - throw_ub_format!("mutex has invalid ID"); - } - Ok(old) - } else { - let new_index = this.machine.sync.mutexes.push(Default::default()); - assert_eq!(next_index, new_index); - Ok(new_index) - } - } - #[inline] /// Get the id of the thread that currently owns this lock. fn mutex_get_owner(&mut self, id: MutexId) -> ThreadId { @@ -331,8 +317,9 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } /// Lock by setting the mutex owner and increasing the lock count. - fn mutex_lock(&mut self, id: MutexId, thread: ThreadId) { + fn mutex_lock(&mut self, id: MutexId) { let this = self.eval_context_mut(); + let thread = this.active_thread(); let mutex = &mut this.machine.sync.mutexes[id]; if let Some(current_owner) = mutex.owner { assert_eq!(thread, current_owner, "mutex already locked by another thread"); @@ -345,7 +332,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } mutex.lock_count = mutex.lock_count.checked_add(1).unwrap(); if let Some(data_race) = &this.machine.data_race { - data_race.acquire_clock(&mutex.clock, thread); + data_race.acquire_clock(&mutex.clock, &this.machine.threads); } } @@ -353,14 +340,14 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { /// count. If the lock count reaches 0, release the lock and potentially /// give to a new owner. If the lock was not locked by the current thread, /// return `None`. - fn mutex_unlock(&mut self, id: MutexId) -> Option { + fn mutex_unlock(&mut self, id: MutexId) -> InterpResult<'tcx, Option> { let this = self.eval_context_mut(); let mutex = &mut this.machine.sync.mutexes[id]; - if let Some(current_owner) = mutex.owner { + Ok(if let Some(current_owner) = mutex.owner { // Mutex is locked. - if current_owner != this.machine.threads.get_active_thread_id() { + if current_owner != this.machine.threads.active_thread() { // Only the owner can unlock the mutex. - return None; + return Ok(None); } let old_lock_count = mutex.lock_count; mutex.lock_count = old_lock_count @@ -373,42 +360,52 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { if let Some(data_race) = &this.machine.data_race { mutex.clock.clone_from(&data_race.release_clock(&this.machine.threads)); } - this.mutex_dequeue_and_lock(id); + if let Some(thread) = this.machine.sync.mutexes[id].queue.pop_front() { + this.unblock_thread(thread, BlockReason::Mutex(id))?; + } } Some(old_lock_count) } else { // Mutex is not locked. None - } + }) } /// Put the thread into the queue waiting for the mutex. + /// Once the Mutex becomes available, `retval` will be written to `dest`. #[inline] - fn mutex_enqueue_and_block(&mut self, id: MutexId, thread: ThreadId) { + fn mutex_enqueue_and_block( + &mut self, + id: MutexId, + retval: Scalar, + dest: MPlaceTy<'tcx, Provenance>, + ) { let this = self.eval_context_mut(); assert!(this.mutex_is_locked(id), "queing on unlocked mutex"); + let thread = this.active_thread(); this.machine.sync.mutexes[id].queue.push_back(thread); - this.block_thread(thread, BlockReason::Mutex(id)); - } + this.block_thread(BlockReason::Mutex(id), None, Callback { id, retval, dest }); - /// Provides the closure with the next RwLockId. Creates that RwLock if the closure returns None, - /// otherwise returns the value from the closure - #[inline] - fn rwlock_get_or_create(&mut self, existing: F) -> InterpResult<'tcx, RwLockId> - where - F: FnOnce(&mut MiriInterpCx<'mir, 'tcx>, RwLockId) -> InterpResult<'tcx, Option>, - { - let this = self.eval_context_mut(); - let next_index = this.machine.sync.rwlocks.next_index(); - if let Some(old) = existing(this, next_index)? { - if this.machine.sync.rwlocks.get(old).is_none() { - throw_ub_format!("rwlock has invalid ID"); + struct Callback<'tcx> { + id: MutexId, + retval: Scalar, + dest: MPlaceTy<'tcx, Provenance>, + } + impl<'tcx> VisitProvenance for Callback<'tcx> { + fn visit_provenance(&self, visit: &mut VisitWith<'_>) { + let Callback { id: _, retval, dest } = self; + retval.visit_provenance(visit); + dest.visit_provenance(visit); + } + } + impl<'mir, 'tcx: 'mir> UnblockCallback<'mir, 'tcx> for Callback<'tcx> { + fn unblock(self: Box, this: &mut MiriInterpCx<'mir, 'tcx>) -> InterpResult<'tcx> { + assert!(!this.mutex_is_locked(self.id)); + this.mutex_lock(self.id); + + this.write_scalar(self.retval, &self.dest)?; + Ok(()) } - Ok(old) - } else { - let new_index = this.machine.sync.rwlocks.push(Default::default()); - assert_eq!(next_index, new_index); - Ok(new_index) } } @@ -437,23 +434,24 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { /// Read-lock the lock by adding the `reader` the list of threads that own /// this lock. - fn rwlock_reader_lock(&mut self, id: RwLockId, reader: ThreadId) { + fn rwlock_reader_lock(&mut self, id: RwLockId) { let this = self.eval_context_mut(); + let thread = this.active_thread(); assert!(!this.rwlock_is_write_locked(id), "the lock is write locked"); - trace!("rwlock_reader_lock: {:?} now also held (one more time) by {:?}", id, reader); + trace!("rwlock_reader_lock: {:?} now also held (one more time) by {:?}", id, thread); let rwlock = &mut this.machine.sync.rwlocks[id]; - let count = rwlock.readers.entry(reader).or_insert(0); + let count = rwlock.readers.entry(thread).or_insert(0); *count = count.checked_add(1).expect("the reader counter overflowed"); if let Some(data_race) = &this.machine.data_race { - data_race.acquire_clock(&rwlock.clock_unlocked, reader); + data_race.acquire_clock(&rwlock.clock_unlocked, &this.machine.threads); } } /// Try read-unlock the lock for the current threads and potentially give the lock to a new owner. /// Returns `true` if succeeded, `false` if this `reader` did not hold the lock. - fn rwlock_reader_unlock(&mut self, id: RwLockId) -> bool { + fn rwlock_reader_unlock(&mut self, id: RwLockId) -> InterpResult<'tcx, bool> { let this = self.eval_context_mut(); - let thread = this.get_active_thread(); + let thread = this.active_thread(); let rwlock = &mut this.machine.sync.rwlocks[id]; match rwlock.readers.entry(thread) { Entry::Occupied(mut entry) => { @@ -467,7 +465,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { trace!("rwlock_reader_unlock: {:?} held one less time by {:?}", id, thread); } } - Entry::Vacant(_) => return false, // we did not even own this lock + Entry::Vacant(_) => return Ok(false), // we did not even own this lock } if let Some(data_race) = &this.machine.data_race { // Add this to the shared-release clock of all concurrent readers. @@ -481,48 +479,79 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { // happen-before the writers let rwlock = &mut this.machine.sync.rwlocks[id]; rwlock.clock_unlocked.clone_from(&rwlock.clock_current_readers); - this.rwlock_dequeue_and_lock_writer(id); + // See if there is a thread to unblock. + if let Some(writer) = rwlock.writer_queue.pop_front() { + this.unblock_thread(writer, BlockReason::RwLock(id))?; + } } - true + Ok(true) } /// Put the reader in the queue waiting for the lock and block it. + /// Once the lock becomes available, `retval` will be written to `dest`. #[inline] - fn rwlock_enqueue_and_block_reader(&mut self, id: RwLockId, reader: ThreadId) { + fn rwlock_enqueue_and_block_reader( + &mut self, + id: RwLockId, + retval: Scalar, + dest: MPlaceTy<'tcx, Provenance>, + ) { let this = self.eval_context_mut(); + let thread = this.active_thread(); assert!(this.rwlock_is_write_locked(id), "read-queueing on not write locked rwlock"); - this.machine.sync.rwlocks[id].reader_queue.push_back(reader); - this.block_thread(reader, BlockReason::RwLock(id)); + this.machine.sync.rwlocks[id].reader_queue.push_back(thread); + this.block_thread(BlockReason::RwLock(id), None, Callback { id, retval, dest }); + + struct Callback<'tcx> { + id: RwLockId, + retval: Scalar, + dest: MPlaceTy<'tcx, Provenance>, + } + impl<'tcx> VisitProvenance for Callback<'tcx> { + fn visit_provenance(&self, visit: &mut VisitWith<'_>) { + let Callback { id: _, retval, dest } = self; + retval.visit_provenance(visit); + dest.visit_provenance(visit); + } + } + impl<'mir, 'tcx: 'mir> UnblockCallback<'mir, 'tcx> for Callback<'tcx> { + fn unblock(self: Box, this: &mut MiriInterpCx<'mir, 'tcx>) -> InterpResult<'tcx> { + this.rwlock_reader_lock(self.id); + this.write_scalar(self.retval, &self.dest)?; + Ok(()) + } + } } /// Lock by setting the writer that owns the lock. #[inline] - fn rwlock_writer_lock(&mut self, id: RwLockId, writer: ThreadId) { + fn rwlock_writer_lock(&mut self, id: RwLockId) { let this = self.eval_context_mut(); + let thread = this.active_thread(); assert!(!this.rwlock_is_locked(id), "the rwlock is already locked"); - trace!("rwlock_writer_lock: {:?} now held by {:?}", id, writer); + trace!("rwlock_writer_lock: {:?} now held by {:?}", id, thread); let rwlock = &mut this.machine.sync.rwlocks[id]; - rwlock.writer = Some(writer); + rwlock.writer = Some(thread); if let Some(data_race) = &this.machine.data_race { - data_race.acquire_clock(&rwlock.clock_unlocked, writer); + data_race.acquire_clock(&rwlock.clock_unlocked, &this.machine.threads); } } /// Try to unlock an rwlock held by the current thread. /// Return `false` if it is held by another thread. #[inline] - fn rwlock_writer_unlock(&mut self, id: RwLockId) -> bool { + fn rwlock_writer_unlock(&mut self, id: RwLockId) -> InterpResult<'tcx, bool> { let this = self.eval_context_mut(); - let thread = this.get_active_thread(); + let thread = this.active_thread(); let rwlock = &mut this.machine.sync.rwlocks[id]; - if let Some(current_writer) = rwlock.writer { + Ok(if let Some(current_writer) = rwlock.writer { if current_writer != thread { // Only the owner can unlock the rwlock. - return false; + return Ok(false); } rwlock.writer = None; trace!("rwlock_writer_unlock: {:?} unlocked by {:?}", id, thread); - // Release memory to next lock holder. + // Record release clock for next lock holder. if let Some(data_race) = &this.machine.data_race { rwlock.clock_unlocked.clone_from(&*data_race.release_clock(&this.machine.threads)); } @@ -531,50 +560,54 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { // We are prioritizing writers here against the readers. As a // result, not only readers can starve writers, but also writers can // starve readers. - if this.rwlock_dequeue_and_lock_writer(id) { - // Someone got the write lock, nice. + if let Some(writer) = rwlock.writer_queue.pop_front() { + this.unblock_thread(writer, BlockReason::RwLock(id))?; } else { - // Give the lock to all readers. - while this.rwlock_dequeue_and_lock_reader(id) { - // Rinse and repeat. + // Take the entire read queue and wake them all up. + let readers = std::mem::take(&mut rwlock.reader_queue); + for reader in readers { + this.unblock_thread(reader, BlockReason::RwLock(id))?; } } true } else { false - } + }) } /// Put the writer in the queue waiting for the lock. + /// Once the lock becomes available, `retval` will be written to `dest`. #[inline] - fn rwlock_enqueue_and_block_writer(&mut self, id: RwLockId, writer: ThreadId) { + fn rwlock_enqueue_and_block_writer( + &mut self, + id: RwLockId, + retval: Scalar, + dest: MPlaceTy<'tcx, Provenance>, + ) { let this = self.eval_context_mut(); assert!(this.rwlock_is_locked(id), "write-queueing on unlocked rwlock"); - this.machine.sync.rwlocks[id].writer_queue.push_back(writer); - this.block_thread(writer, BlockReason::RwLock(id)); - } + let thread = this.active_thread(); + this.machine.sync.rwlocks[id].writer_queue.push_back(thread); + this.block_thread(BlockReason::RwLock(id), None, Callback { id, retval, dest }); - /// Provides the closure with the next CondvarId. Creates that Condvar if the closure returns None, - /// otherwise returns the value from the closure - #[inline] - fn condvar_get_or_create(&mut self, existing: F) -> InterpResult<'tcx, CondvarId> - where - F: FnOnce( - &mut MiriInterpCx<'mir, 'tcx>, - CondvarId, - ) -> InterpResult<'tcx, Option>, - { - let this = self.eval_context_mut(); - let next_index = this.machine.sync.condvars.next_index(); - if let Some(old) = existing(this, next_index)? { - if this.machine.sync.condvars.get(old).is_none() { - throw_ub_format!("condvar has invalid ID"); + struct Callback<'tcx> { + id: RwLockId, + retval: Scalar, + dest: MPlaceTy<'tcx, Provenance>, + } + impl<'tcx> VisitProvenance for Callback<'tcx> { + fn visit_provenance(&self, visit: &mut VisitWith<'_>) { + let Callback { id: _, retval, dest } = self; + retval.visit_provenance(visit); + dest.visit_provenance(visit); + } + } + impl<'mir, 'tcx: 'mir> UnblockCallback<'mir, 'tcx> for Callback<'tcx> { + fn unblock(self: Box, this: &mut MiriInterpCx<'mir, 'tcx>) -> InterpResult<'tcx> { + this.rwlock_writer_lock(self.id); + this.write_scalar(self.retval, &self.dest)?; + Ok(()) } - Ok(old) - } else { - let new_index = this.machine.sync.condvars.push(Default::default()); - assert_eq!(next_index, new_index); - Ok(new_index) } } @@ -585,17 +618,106 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { !this.machine.sync.condvars[id].waiters.is_empty() } - /// Mark that the thread is waiting on the conditional variable. - fn condvar_wait(&mut self, id: CondvarId, thread: ThreadId, lock: MutexId) { + /// Release the mutex and let the current thread wait on the given condition variable. + /// Once it is signaled, the mutex will be acquired and `retval_succ` will be written to `dest`. + /// If the timeout happens first, `retval_timeout` will be written to `dest`. + fn condvar_wait( + &mut self, + condvar: CondvarId, + mutex: MutexId, + timeout: Option, + retval_succ: Scalar, + retval_timeout: Scalar, + dest: MPlaceTy<'tcx, Provenance>, + ) -> InterpResult<'tcx> { let this = self.eval_context_mut(); - let waiters = &mut this.machine.sync.condvars[id].waiters; - assert!(waiters.iter().all(|waiter| waiter.thread != thread), "thread is already waiting"); - waiters.push_back(CondvarWaiter { thread, lock }); + if let Some(old_locked_count) = this.mutex_unlock(mutex)? { + if old_locked_count != 1 { + throw_unsup_format!( + "awaiting a condvar on a mutex acquired multiple times is not supported" + ); + } + } else { + throw_ub_format!( + "awaiting a condvar on a mutex that is unlocked or owned by a different thread" + ); + } + let thread = this.active_thread(); + let waiters = &mut this.machine.sync.condvars[condvar].waiters; + waiters.push_back(thread); + this.block_thread( + BlockReason::Condvar(condvar), + timeout, + Callback { condvar, mutex, retval_succ, retval_timeout, dest }, + ); + return Ok(()); + + struct Callback<'tcx> { + condvar: CondvarId, + mutex: MutexId, + retval_succ: Scalar, + retval_timeout: Scalar, + dest: MPlaceTy<'tcx, Provenance>, + } + impl<'tcx> VisitProvenance for Callback<'tcx> { + fn visit_provenance(&self, visit: &mut VisitWith<'_>) { + let Callback { condvar: _, mutex: _, retval_succ, retval_timeout, dest } = self; + retval_succ.visit_provenance(visit); + retval_timeout.visit_provenance(visit); + dest.visit_provenance(visit); + } + } + impl<'tcx, 'mir> Callback<'tcx> { + #[allow(clippy::boxed_local)] + fn reacquire_mutex( + self: Box, + this: &mut MiriInterpCx<'mir, 'tcx>, + retval: Scalar, + ) -> InterpResult<'tcx> { + if this.mutex_is_locked(self.mutex) { + assert_ne!(this.mutex_get_owner(self.mutex), this.active_thread()); + this.mutex_enqueue_and_block(self.mutex, retval, self.dest); + } else { + // We can have it right now! + this.mutex_lock(self.mutex); + // Don't forget to write the return value. + this.write_scalar(retval, &self.dest)?; + } + Ok(()) + } + } + impl<'mir, 'tcx: 'mir> UnblockCallback<'mir, 'tcx> for Callback<'tcx> { + fn unblock(self: Box, this: &mut MiriInterpCx<'mir, 'tcx>) -> InterpResult<'tcx> { + // The condvar was signaled. Make sure we get the clock for that. + if let Some(data_race) = &this.machine.data_race { + data_race.acquire_clock( + &this.machine.sync.condvars[self.condvar].clock, + &this.machine.threads, + ); + } + // Try to acquire the mutex. + // The timeout only applies to the first wait (until the signal), not for mutex acquisition. + let retval = self.retval_succ; + self.reacquire_mutex(this, retval) + } + fn timeout( + self: Box, + this: &mut InterpCx<'mir, 'tcx, MiriMachine<'mir, 'tcx>>, + ) -> InterpResult<'tcx> { + // We have to remove the waiter from the queue again. + let thread = this.active_thread(); + let waiters = &mut this.machine.sync.condvars[self.condvar].waiters; + waiters.retain(|waiter| *waiter != thread); + // Now get back the lock. + let retval = self.retval_timeout; + self.reacquire_mutex(this, retval) + } + } } /// Wake up some thread (if there is any) sleeping on the conditional - /// variable. - fn condvar_signal(&mut self, id: CondvarId) -> Option<(ThreadId, MutexId)> { + /// variable. Returns `true` iff any thread was woken up. + fn condvar_signal(&mut self, id: CondvarId) -> InterpResult<'tcx, bool> { let this = self.eval_context_mut(); let condvar = &mut this.machine.sync.condvars[id]; let data_race = &this.machine.data_race; @@ -604,32 +726,87 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { if let Some(data_race) = data_race { condvar.clock.clone_from(&*data_race.release_clock(&this.machine.threads)); } - condvar.waiters.pop_front().map(|waiter| { - if let Some(data_race) = data_race { - data_race.acquire_clock(&condvar.clock, waiter.thread); - } - (waiter.thread, waiter.lock) - }) + let Some(waiter) = condvar.waiters.pop_front() else { + return Ok(false); + }; + this.unblock_thread(waiter, BlockReason::Condvar(id))?; + Ok(true) } - #[inline] - /// Remove the thread from the queue of threads waiting on this conditional variable. - fn condvar_remove_waiter(&mut self, id: CondvarId, thread: ThreadId) { - let this = self.eval_context_mut(); - this.machine.sync.condvars[id].waiters.retain(|waiter| waiter.thread != thread); - } - - fn futex_wait(&mut self, addr: u64, thread: ThreadId, bitset: u32) { + /// Wait for the futex to be signaled, or a timeout. + /// On a signal, `retval_succ` is written to `dest`. + /// On a timeout, `retval_timeout` is written to `dest` and `errno_timeout` is set as the last error. + fn futex_wait( + &mut self, + addr: u64, + bitset: u32, + timeout: Option, + retval_succ: Scalar, + retval_timeout: Scalar, + dest: MPlaceTy<'tcx, Provenance>, + errno_timeout: Scalar, + ) { let this = self.eval_context_mut(); + let thread = this.active_thread(); let futex = &mut this.machine.sync.futexes.entry(addr).or_default(); let waiters = &mut futex.waiters; assert!(waiters.iter().all(|waiter| waiter.thread != thread), "thread is already waiting"); waiters.push_back(FutexWaiter { thread, bitset }); + this.block_thread( + BlockReason::Futex { addr }, + timeout, + Callback { addr, retval_succ, retval_timeout, dest, errno_timeout }, + ); + + struct Callback<'tcx> { + addr: u64, + retval_succ: Scalar, + retval_timeout: Scalar, + dest: MPlaceTy<'tcx, Provenance>, + errno_timeout: Scalar, + } + impl<'tcx> VisitProvenance for Callback<'tcx> { + fn visit_provenance(&self, visit: &mut VisitWith<'_>) { + let Callback { addr: _, retval_succ, retval_timeout, dest, errno_timeout } = self; + retval_succ.visit_provenance(visit); + retval_timeout.visit_provenance(visit); + dest.visit_provenance(visit); + errno_timeout.visit_provenance(visit); + } + } + impl<'mir, 'tcx: 'mir> UnblockCallback<'mir, 'tcx> for Callback<'tcx> { + fn unblock(self: Box, this: &mut MiriInterpCx<'mir, 'tcx>) -> InterpResult<'tcx> { + let futex = this.machine.sync.futexes.get(&self.addr).unwrap(); + // Acquire the clock of the futex. + if let Some(data_race) = &this.machine.data_race { + data_race.acquire_clock(&futex.clock, &this.machine.threads); + } + // Write the return value. + this.write_scalar(self.retval_succ, &self.dest)?; + Ok(()) + } + fn timeout( + self: Box, + this: &mut InterpCx<'mir, 'tcx, MiriMachine<'mir, 'tcx>>, + ) -> InterpResult<'tcx> { + // Remove the waiter from the futex. + let thread = this.active_thread(); + let futex = this.machine.sync.futexes.get_mut(&self.addr).unwrap(); + futex.waiters.retain(|waiter| waiter.thread != thread); + // Set errno and write return value. + this.set_last_error(self.errno_timeout)?; + this.write_scalar(self.retval_timeout, &self.dest)?; + Ok(()) + } + } } - fn futex_wake(&mut self, addr: u64, bitset: u32) -> Option { + /// Returns whether anything was woken. + fn futex_wake(&mut self, addr: u64, bitset: u32) -> InterpResult<'tcx, bool> { let this = self.eval_context_mut(); - let futex = &mut this.machine.sync.futexes.get_mut(&addr)?; + let Some(futex) = this.machine.sync.futexes.get_mut(&addr) else { + return Ok(false); + }; let data_race = &this.machine.data_race; // Each futex-wake happens-before the end of the futex wait @@ -638,19 +815,11 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } // Wake up the first thread in the queue that matches any of the bits in the bitset. - futex.waiters.iter().position(|w| w.bitset & bitset != 0).map(|i| { - let waiter = futex.waiters.remove(i).unwrap(); - if let Some(data_race) = data_race { - data_race.acquire_clock(&futex.clock, waiter.thread); - } - waiter.thread - }) - } - - fn futex_remove_waiter(&mut self, addr: u64, thread: ThreadId) { - let this = self.eval_context_mut(); - if let Some(futex) = this.machine.sync.futexes.get_mut(&addr) { - futex.waiters.retain(|waiter| waiter.thread != thread); - } + let Some(i) = futex.waiters.iter().position(|w| w.bitset & bitset != 0) else { + return Ok(false); + }; + let waiter = futex.waiters.remove(i).unwrap(); + this.unblock_thread(waiter.thread, BlockReason::Futex { addr })?; + Ok(true) } } diff --git a/src/tools/miri/src/concurrency/thread.rs b/src/tools/miri/src/concurrency/thread.rs index cdc9cba66463..43aac8a3243f 100644 --- a/src/tools/miri/src/concurrency/thread.rs +++ b/src/tools/miri/src/concurrency/thread.rs @@ -1,7 +1,6 @@ //! Implements threads. -use std::cell::RefCell; -use std::collections::hash_map::Entry; +use std::mem; use std::num::TryFromIntError; use std::sync::atomic::Ordering::Relaxed; use std::task::Poll; @@ -41,12 +40,23 @@ pub enum TlsAllocAction { Leak, } -/// Trait for callbacks that can be executed when some event happens, such as after a timeout. -pub trait MachineCallback<'mir, 'tcx>: VisitProvenance { - fn call(&self, ecx: &mut InterpCx<'mir, 'tcx, MiriMachine<'mir, 'tcx>>) -> InterpResult<'tcx>; -} +/// Trait for callbacks that are executed when a thread gets unblocked. +pub trait UnblockCallback<'mir, 'tcx>: VisitProvenance { + fn unblock( + self: Box, + ecx: &mut InterpCx<'mir, 'tcx, MiriMachine<'mir, 'tcx>>, + ) -> InterpResult<'tcx>; -type TimeoutCallback<'mir, 'tcx> = Box + 'tcx>; + fn timeout( + self: Box, + _ecx: &mut InterpCx<'mir, 'tcx, MiriMachine<'mir, 'tcx>>, + ) -> InterpResult<'tcx> { + unreachable!( + "timeout on a thread that was blocked without a timeout (or someone forgot to overwrite this method)" + ) + } +} +type DynUnblockCallback<'mir, 'tcx> = Box + 'tcx>; /// A thread identifier. #[derive(Clone, Copy, Debug, PartialOrd, Ord, PartialEq, Eq, Hash)] @@ -117,17 +127,45 @@ pub enum BlockReason { } /// The state of a thread. -#[derive(Debug, Copy, Clone, PartialEq, Eq)] -pub enum ThreadState { +enum ThreadState<'mir, 'tcx> { /// The thread is enabled and can be executed. Enabled, /// The thread is blocked on something. - Blocked(BlockReason), + Blocked { + reason: BlockReason, + timeout: Option, + callback: DynUnblockCallback<'mir, 'tcx>, + }, /// The thread has terminated its execution. We do not delete terminated /// threads (FIXME: why?). Terminated, } +impl<'mir, 'tcx> std::fmt::Debug for ThreadState<'mir, 'tcx> { + fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { + match self { + Self::Enabled => write!(f, "Enabled"), + Self::Blocked { reason, timeout, .. } => + f.debug_struct("Blocked").field("reason", reason).field("timeout", timeout).finish(), + Self::Terminated => write!(f, "Terminated"), + } + } +} + +impl<'mir, 'tcx> ThreadState<'mir, 'tcx> { + fn is_enabled(&self) -> bool { + matches!(self, ThreadState::Enabled) + } + + fn is_terminated(&self) -> bool { + matches!(self, ThreadState::Terminated) + } + + fn is_blocked_on(&self, reason: BlockReason) -> bool { + matches!(*self, ThreadState::Blocked { reason: actual_reason, .. } if actual_reason == reason) + } +} + /// The join status of a thread. #[derive(Debug, Copy, Clone, PartialEq, Eq)] enum ThreadJoinStatus { @@ -142,7 +180,7 @@ enum ThreadJoinStatus { /// A thread. pub struct Thread<'mir, 'tcx> { - state: ThreadState, + state: ThreadState<'mir, 'tcx>, /// Name of the thread. thread_name: Option>, @@ -323,41 +361,24 @@ impl VisitProvenance for Frame<'_, '_, Provenance, FrameExtra<'_>> { } } -/// A specific moment in time. +/// The moment in time when a blocked thread should be woken up. #[derive(Debug)] -pub enum CallbackTime { +pub enum Timeout { Monotonic(Instant), RealTime(SystemTime), } -impl CallbackTime { +impl Timeout { /// How long do we have to wait from now until the specified time? fn get_wait_time(&self, clock: &Clock) -> Duration { match self { - CallbackTime::Monotonic(instant) => instant.duration_since(clock.now()), - CallbackTime::RealTime(time) => - time.duration_since(SystemTime::now()).unwrap_or(Duration::new(0, 0)), + Timeout::Monotonic(instant) => instant.duration_since(clock.now()), + Timeout::RealTime(time) => + time.duration_since(SystemTime::now()).unwrap_or(Duration::ZERO), } } } -/// Callbacks are used to implement timeouts. For example, waiting on a -/// conditional variable with a timeout creates a callback that is called after -/// the specified time and unblocks the thread. If another thread signals on the -/// conditional variable, the signal handler deletes the callback. -struct TimeoutCallbackInfo<'mir, 'tcx> { - /// The callback should be called no earlier than this time. - call_time: CallbackTime, - /// The called function. - callback: TimeoutCallback<'mir, 'tcx>, -} - -impl<'mir, 'tcx> std::fmt::Debug for TimeoutCallbackInfo<'mir, 'tcx> { - fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { - write!(f, "TimeoutCallback({:?})", self.call_time) - } -} - /// A set of threads. #[derive(Debug)] pub struct ThreadManager<'mir, 'tcx> { @@ -369,11 +390,9 @@ pub struct ThreadManager<'mir, 'tcx> { threads: IndexVec>, /// A mapping from a thread-local static to an allocation id of a thread /// specific allocation. - thread_local_alloc_ids: RefCell>>, + thread_local_alloc_ids: FxHashMap<(DefId, ThreadId), Pointer>, /// A flag that indicates that we should change the active thread. yield_active_thread: bool, - /// Callbacks that are called once the specified time passes. - timeout_callbacks: FxHashMap>, } impl VisitProvenance for ThreadManager<'_, '_> { @@ -381,7 +400,6 @@ impl VisitProvenance for ThreadManager<'_, '_> { let ThreadManager { threads, thread_local_alloc_ids, - timeout_callbacks, active_thread: _, yield_active_thread: _, } = self; @@ -389,12 +407,9 @@ impl VisitProvenance for ThreadManager<'_, '_> { for thread in threads { thread.visit_provenance(visit); } - for ptr in thread_local_alloc_ids.borrow().values() { + for ptr in thread_local_alloc_ids.values() { ptr.visit_provenance(visit); } - for callback in timeout_callbacks.values() { - callback.callback.visit_provenance(visit); - } } } @@ -408,7 +423,6 @@ impl<'mir, 'tcx> Default for ThreadManager<'mir, 'tcx> { threads, thread_local_alloc_ids: Default::default(), yield_active_thread: false, - timeout_callbacks: FxHashMap::default(), } } } @@ -430,18 +444,15 @@ impl<'mir, 'tcx: 'mir> ThreadManager<'mir, 'tcx> { /// Check if we have an allocation for the given thread local static for the /// active thread. fn get_thread_local_alloc_id(&self, def_id: DefId) -> Option> { - self.thread_local_alloc_ids.borrow().get(&(def_id, self.active_thread)).cloned() + self.thread_local_alloc_ids.get(&(def_id, self.active_thread)).cloned() } /// Set the pointer for the allocation of the given thread local /// static for the active thread. /// /// Panics if a thread local is initialized twice for the same thread. - fn set_thread_local_alloc(&self, def_id: DefId, ptr: Pointer) { - self.thread_local_alloc_ids - .borrow_mut() - .try_insert((def_id, self.active_thread), ptr) - .unwrap(); + fn set_thread_local_alloc(&mut self, def_id: DefId, ptr: Pointer) { + self.thread_local_alloc_ids.try_insert((def_id, self.active_thread), ptr).unwrap(); } /// Borrow the stack of the active thread. @@ -480,7 +491,7 @@ impl<'mir, 'tcx: 'mir> ThreadManager<'mir, 'tcx> { } /// Get the id of the currently active thread. - pub fn get_active_thread_id(&self) -> ThreadId { + pub fn active_thread(&self) -> ThreadId { self.active_thread } @@ -492,17 +503,17 @@ impl<'mir, 'tcx: 'mir> ThreadManager<'mir, 'tcx> { /// Get the total of threads that are currently live, i.e., not yet terminated. /// (They might be blocked.) pub fn get_live_thread_count(&self) -> usize { - self.threads.iter().filter(|t| !matches!(t.state, ThreadState::Terminated)).count() + self.threads.iter().filter(|t| !t.state.is_terminated()).count() } /// Has the given thread terminated? fn has_terminated(&self, thread_id: ThreadId) -> bool { - self.threads[thread_id].state == ThreadState::Terminated + self.threads[thread_id].state.is_terminated() } /// Have all threads terminated? fn have_all_terminated(&self) -> bool { - self.threads.iter().all(|thread| thread.state == ThreadState::Terminated) + self.threads.iter().all(|thread| thread.state.is_terminated()) } /// Enable the thread for execution. The thread must be terminated. @@ -532,8 +543,7 @@ impl<'mir, 'tcx: 'mir> ThreadManager<'mir, 'tcx> { fn detach_thread(&mut self, id: ThreadId, allow_terminated_joined: bool) -> InterpResult<'tcx> { trace!("detaching {:?}", id); - let is_ub = if allow_terminated_joined && self.threads[id].state == ThreadState::Terminated - { + let is_ub = if allow_terminated_joined && self.threads[id].state.is_terminated() { // "Detached" in particular means "not yet joined". Redundant detaching is still UB. self.threads[id].join_status == ThreadJoinStatus::Detached } else { @@ -561,15 +571,41 @@ impl<'mir, 'tcx: 'mir> ThreadManager<'mir, 'tcx> { // Mark the joined thread as being joined so that we detect if other // threads try to join it. self.threads[joined_thread_id].join_status = ThreadJoinStatus::Joined; - if self.threads[joined_thread_id].state != ThreadState::Terminated { - // The joined thread is still running, we need to wait for it. - self.active_thread_mut().state = - ThreadState::Blocked(BlockReason::Join(joined_thread_id)); + if !self.threads[joined_thread_id].state.is_terminated() { trace!( "{:?} blocked on {:?} when trying to join", self.active_thread, joined_thread_id ); + // The joined thread is still running, we need to wait for it. + // Unce we get unblocked, perform the appropriate synchronization. + self.block_thread( + BlockReason::Join(joined_thread_id), + None, + Callback { joined_thread_id }, + ); + + struct Callback { + joined_thread_id: ThreadId, + } + impl VisitProvenance for Callback { + fn visit_provenance(&self, _visit: &mut VisitWith<'_>) {} + } + impl<'mir, 'tcx: 'mir> UnblockCallback<'mir, 'tcx> for Callback { + fn unblock( + self: Box, + this: &mut MiriInterpCx<'mir, 'tcx>, + ) -> InterpResult<'tcx> { + if let Some(data_race) = &mut this.machine.data_race { + data_race.thread_joined( + &this.machine.threads, + this.machine.threads.active_thread(), + self.joined_thread_id, + ); + } + Ok(()) + } + } } else { // The thread has already terminated - mark join happens-before if let Some(data_race) = data_race { @@ -596,9 +632,9 @@ impl<'mir, 'tcx: 'mir> ThreadManager<'mir, 'tcx> { // Sanity check `join_status`. assert!( - self.threads.iter().all(|thread| { - thread.state != ThreadState::Blocked(BlockReason::Join(joined_thread_id)) - }), + self.threads + .iter() + .all(|thread| { !thread.state.is_blocked_on(BlockReason::Join(joined_thread_id)) }), "this thread already has threads waiting for its termination" ); @@ -620,18 +656,15 @@ impl<'mir, 'tcx: 'mir> ThreadManager<'mir, 'tcx> { } /// Put the thread into the blocked state. - fn block_thread(&mut self, thread: ThreadId, reason: BlockReason) { - let state = &mut self.threads[thread].state; - assert_eq!(*state, ThreadState::Enabled); - *state = ThreadState::Blocked(reason); - } - - /// Put the blocked thread into the enabled state. - /// Sanity-checks that the thread previously was blocked for the right reason. - fn unblock_thread(&mut self, thread: ThreadId, reason: BlockReason) { - let state = &mut self.threads[thread].state; - assert_eq!(*state, ThreadState::Blocked(reason)); - *state = ThreadState::Enabled; + fn block_thread( + &mut self, + reason: BlockReason, + timeout: Option, + callback: impl UnblockCallback<'mir, 'tcx> + 'tcx, + ) { + let state = &mut self.threads[self.active_thread].state; + assert!(state.is_enabled()); + *state = ThreadState::Blocked { reason, timeout, callback: Box::new(callback) } } /// Change the active thread to some enabled thread. @@ -642,87 +675,18 @@ impl<'mir, 'tcx: 'mir> ThreadManager<'mir, 'tcx> { self.yield_active_thread = true; } - /// Register the given `callback` to be called once the `call_time` passes. - /// - /// The callback will be called with `thread` being the active thread, and - /// the callback may not change the active thread. - fn register_timeout_callback( - &mut self, - thread: ThreadId, - call_time: CallbackTime, - callback: TimeoutCallback<'mir, 'tcx>, - ) { - self.timeout_callbacks - .try_insert(thread, TimeoutCallbackInfo { call_time, callback }) - .unwrap(); - } - - /// Unregister the callback for the `thread`. - fn unregister_timeout_callback_if_exists(&mut self, thread: ThreadId) { - self.timeout_callbacks.remove(&thread); - } - - /// Get a callback that is ready to be called. - fn get_ready_callback( - &mut self, - clock: &Clock, - ) -> Option<(ThreadId, TimeoutCallback<'mir, 'tcx>)> { - // We iterate over all threads in the order of their indices because - // this allows us to have a deterministic scheduler. - for thread in self.threads.indices() { - match self.timeout_callbacks.entry(thread) { - Entry::Occupied(entry) => { - if entry.get().call_time.get_wait_time(clock) == Duration::new(0, 0) { - return Some((thread, entry.remove().callback)); - } + /// Get the wait time for the next timeout, or `None` if no timeout is pending. + fn next_callback_wait_time(&self, clock: &Clock) -> Option { + self.threads + .iter() + .filter_map(|t| { + match &t.state { + ThreadState::Blocked { timeout: Some(timeout), .. } => + Some(timeout.get_wait_time(clock)), + _ => None, } - Entry::Vacant(_) => {} - } - } - None - } - - /// Wakes up threads joining on the active one and deallocates thread-local statics. - /// The `AllocId` that can now be freed are returned. - fn thread_terminated( - &mut self, - mut data_race: Option<&mut data_race::GlobalState>, - current_span: Span, - ) -> Vec> { - let mut free_tls_statics = Vec::new(); - { - let mut thread_local_statics = self.thread_local_alloc_ids.borrow_mut(); - thread_local_statics.retain(|&(_def_id, thread), &mut alloc_id| { - if thread != self.active_thread { - // Keep this static around. - return true; - } - // Delete this static from the map and from memory. - // We cannot free directly here as we cannot use `?` in this context. - free_tls_statics.push(alloc_id); - false - }); - } - // Set the thread into a terminated state in the data-race detector. - if let Some(ref mut data_race) = data_race { - data_race.thread_terminated(self, current_span); - } - // Check if we need to unblock any threads. - let mut joined_threads = vec![]; // store which threads joined, we'll need it - for (i, thread) in self.threads.iter_enumerated_mut() { - if thread.state == ThreadState::Blocked(BlockReason::Join(self.active_thread)) { - // The thread has terminated, mark happens-before edge to joining thread - if data_race.is_some() { - joined_threads.push(i); - } - trace!("unblocking {:?} because {:?} terminated", i, self.active_thread); - thread.state = ThreadState::Enabled; - } - } - for &i in &joined_threads { - data_race.as_mut().unwrap().thread_joined(self, i, self.active_thread); - } - free_tls_statics + }) + .min() } /// Decide which action to take next and on which thread. @@ -733,9 +697,7 @@ impl<'mir, 'tcx: 'mir> ThreadManager<'mir, 'tcx> { /// blocked, terminated, or has explicitly asked to be preempted). fn schedule(&mut self, clock: &Clock) -> InterpResult<'tcx, SchedulingAction> { // This thread and the program can keep going. - if self.threads[self.active_thread].state == ThreadState::Enabled - && !self.yield_active_thread - { + if self.threads[self.active_thread].state.is_enabled() && !self.yield_active_thread { // The currently active thread is still enabled, just continue with it. return Ok(SchedulingAction::ExecuteStep); } @@ -745,9 +707,8 @@ impl<'mir, 'tcx: 'mir> ThreadManager<'mir, 'tcx> { // `pthread_cond_timedwait`, "an error is returned if [...] the absolute time specified by // abstime has already been passed at the time of the call". // - let potential_sleep_time = - self.timeout_callbacks.values().map(|info| info.call_time.get_wait_time(clock)).min(); - if potential_sleep_time == Some(Duration::new(0, 0)) { + let potential_sleep_time = self.next_callback_wait_time(clock); + if potential_sleep_time == Some(Duration::ZERO) { return Ok(SchedulingAction::ExecuteTimeoutCallback); } // No callbacks immediately scheduled, pick a regular thread to execute. @@ -765,7 +726,7 @@ impl<'mir, 'tcx: 'mir> ThreadManager<'mir, 'tcx> { .chain(self.threads.iter_enumerated().take(self.active_thread.index())); for (id, thread) in threads { debug_assert_ne!(self.active_thread, id); - if thread.state == ThreadState::Enabled { + if thread.state.is_enabled() { info!( "---------- Now executing on thread `{}` (previous: `{}`) ----------------------------------------", self.get_thread_display_name(id), @@ -776,11 +737,11 @@ impl<'mir, 'tcx: 'mir> ThreadManager<'mir, 'tcx> { } } self.yield_active_thread = false; - if self.threads[self.active_thread].state == ThreadState::Enabled { + if self.threads[self.active_thread].state.is_enabled() { return Ok(SchedulingAction::ExecuteStep); } // We have not found a thread to execute. - if self.threads.iter().all(|thread| thread.state == ThreadState::Terminated) { + if self.threads.iter().all(|thread| thread.state.is_terminated()) { unreachable!("all threads terminated without the main thread terminating?!"); } else if let Some(sleep_time) = potential_sleep_time { // All threads are currently blocked, but we have unexecuted @@ -799,29 +760,40 @@ trait EvalContextPrivExt<'mir, 'tcx: 'mir>: MiriInterpCxExt<'mir, 'tcx> { #[inline] fn run_timeout_callback(&mut self) -> InterpResult<'tcx> { let this = self.eval_context_mut(); - let (thread, callback) = if let Some((thread, callback)) = - this.machine.threads.get_ready_callback(&this.machine.clock) - { - (thread, callback) - } else { - // get_ready_callback can return None if the computer's clock - // was shifted after calling the scheduler and before the call - // to get_ready_callback (see issue - // https://github.com/rust-lang/miri/issues/1763). In this case, - // just do nothing, which effectively just returns to the - // scheduler. - return Ok(()); - }; - // This back-and-forth with `set_active_thread` is here because of two - // design decisions: - // 1. Make the caller and not the callback responsible for changing - // thread. - // 2. Make the scheduler the only place that can change the active - // thread. - let old_thread = this.set_active_thread(thread); - callback.call(this)?; - this.set_active_thread(old_thread); - Ok(()) + let mut found_callback = None; + // Find a blocked thread that has timed out. + for (id, thread) in this.machine.threads.threads.iter_enumerated_mut() { + match &thread.state { + ThreadState::Blocked { timeout: Some(timeout), .. } + if timeout.get_wait_time(&this.machine.clock) == Duration::ZERO => + { + let old_state = mem::replace(&mut thread.state, ThreadState::Enabled); + let ThreadState::Blocked { callback, .. } = old_state else { unreachable!() }; + found_callback = Some((id, callback)); + // Run the fallback (after the loop because borrow-checking). + break; + } + _ => {} + } + } + if let Some((thread, callback)) = found_callback { + // This back-and-forth with `set_active_thread` is here because of two + // design decisions: + // 1. Make the caller and not the callback responsible for changing + // thread. + // 2. Make the scheduler the only place that can change the active + // thread. + let old_thread = this.machine.threads.set_active_thread_id(thread); + callback.timeout(this)?; + this.machine.threads.set_active_thread_id(old_thread); + } + // found_callback can remain None if the computer's clock + // was shifted after calling the scheduler and before the call + // to get_ready_callback (see issue + // https://github.com/rust-lang/miri/issues/1763). In this case, + // just do nothing, which effectively just returns to the + // scheduler. + return Ok(()); } #[inline] @@ -904,7 +876,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { // Finally switch to new thread so that we can push the first stackframe. // After this all accesses will be treated as occurring in the new thread. - let old_thread_id = this.set_active_thread(new_thread_id); + let old_thread_id = this.machine.threads.set_active_thread_id(new_thread_id); // Perform the function pointer load in the new thread frame. let instance = this.get_ptr_fn(start_routine)?.as_instance()?; @@ -923,11 +895,110 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { )?; // Restore the old active thread frame. - this.set_active_thread(old_thread_id); + this.machine.threads.set_active_thread_id(old_thread_id); Ok(new_thread_id) } + /// Handles thread termination of the active thread: wakes up threads joining on this one, + /// and deals with the thread's thread-local statics according to `tls_alloc_action`. + /// + /// This is called by the eval loop when a thread's on_stack_empty returns `Ready`. + fn terminate_active_thread(&mut self, tls_alloc_action: TlsAllocAction) -> InterpResult<'tcx> { + let this = self.eval_context_mut(); + // Mark thread as terminated. + let thread = this.active_thread_mut(); + assert!(thread.stack.is_empty(), "only threads with an empty stack can be terminated"); + thread.state = ThreadState::Terminated; + if let Some(ref mut data_race) = this.machine.data_race { + data_race.thread_terminated(&this.machine.threads); + } + // Deallocate TLS. + let gone_thread = this.active_thread(); + { + let mut free_tls_statics = Vec::new(); + this.machine.threads.thread_local_alloc_ids.retain( + |&(_def_id, thread), &mut alloc_id| { + if thread != gone_thread { + // A different thread, keep this static around. + return true; + } + // Delete this static from the map and from memory. + // We cannot free directly here as we cannot use `?` in this context. + free_tls_statics.push(alloc_id); + false + }, + ); + // Now free the TLS statics. + for ptr in free_tls_statics { + match tls_alloc_action { + TlsAllocAction::Deallocate => + this.deallocate_ptr(ptr.into(), None, MiriMemoryKind::Tls.into())?, + TlsAllocAction::Leak => + if let Some(alloc) = ptr.provenance.get_alloc_id() { + trace!( + "Thread-local static leaked and stored as static root: {:?}", + alloc + ); + this.machine.static_roots.push(alloc); + }, + } + } + } + // Unblock joining threads. + let unblock_reason = BlockReason::Join(gone_thread); + let threads = &this.machine.threads.threads; + let joining_threads = threads + .iter_enumerated() + .filter(|(_, thread)| thread.state.is_blocked_on(unblock_reason)) + .map(|(id, _)| id) + .collect::>(); + for thread in joining_threads { + this.unblock_thread(thread, unblock_reason)?; + } + + Ok(()) + } + + /// Block the current thread, with an optional timeout. + /// The callback will be invoked when the thread gets unblocked. + #[inline] + fn block_thread( + &mut self, + reason: BlockReason, + timeout: Option, + callback: impl UnblockCallback<'mir, 'tcx> + 'tcx, + ) { + let this = self.eval_context_mut(); + if !this.machine.communicate() && matches!(timeout, Some(Timeout::RealTime(..))) { + panic!("cannot have `RealTime` callback with isolation enabled!") + } + this.machine.threads.block_thread(reason, timeout, callback); + } + + /// Put the blocked thread into the enabled state. + /// Sanity-checks that the thread previously was blocked for the right reason. + fn unblock_thread(&mut self, thread: ThreadId, reason: BlockReason) -> InterpResult<'tcx> { + let this = self.eval_context_mut(); + let old_state = + mem::replace(&mut this.machine.threads.threads[thread].state, ThreadState::Enabled); + let callback = match old_state { + ThreadState::Blocked { reason: actual_reason, callback, .. } => { + assert_eq!( + reason, actual_reason, + "unblock_thread: thread was blocked for the wrong reason" + ); + callback + } + _ => panic!("unblock_thread: thread was not blocked"), + }; + // The callback must be executed in the previously blocked thread. + let old_thread = this.machine.threads.set_active_thread_id(thread); + callback.unblock(this)?; + this.machine.threads.set_active_thread_id(old_thread); + Ok(()) + } + #[inline] fn detach_thread( &mut self, @@ -955,15 +1026,9 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } #[inline] - fn set_active_thread(&mut self, thread_id: ThreadId) -> ThreadId { - let this = self.eval_context_mut(); - this.machine.threads.set_active_thread_id(thread_id) - } - - #[inline] - fn get_active_thread(&self) -> ThreadId { + fn active_thread(&self) -> ThreadId { let this = self.eval_context_ref(); - this.machine.threads.get_active_thread_id() + this.machine.threads.active_thread() } #[inline] @@ -1025,16 +1090,6 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { self.eval_context_ref().machine.threads.get_thread_name(thread) } - #[inline] - fn block_thread(&mut self, thread: ThreadId, reason: BlockReason) { - self.eval_context_mut().machine.threads.block_thread(thread, reason); - } - - #[inline] - fn unblock_thread(&mut self, thread: ThreadId, reason: BlockReason) { - self.eval_context_mut().machine.threads.unblock_thread(thread, reason); - } - #[inline] fn yield_active_thread(&mut self) { self.eval_context_mut().machine.threads.yield_active_thread(); @@ -1050,26 +1105,6 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } } - #[inline] - fn register_timeout_callback( - &mut self, - thread: ThreadId, - call_time: CallbackTime, - callback: TimeoutCallback<'mir, 'tcx>, - ) { - let this = self.eval_context_mut(); - if !this.machine.communicate() && matches!(call_time, CallbackTime::RealTime(..)) { - panic!("cannot have `RealTime` callback with isolation enabled!") - } - this.machine.threads.register_timeout_callback(thread, call_time, callback); - } - - #[inline] - fn unregister_timeout_callback_if_exists(&mut self, thread: ThreadId) { - let this = self.eval_context_mut(); - this.machine.threads.unregister_timeout_callback_if_exists(thread); - } - /// Run the core interpreter loop. Returns only when an interrupt occurs (an error or program /// termination). fn run_threads(&mut self) -> InterpResult<'tcx, !> { @@ -1099,32 +1134,4 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } } } - - /// Handles thread termination of the active thread: wakes up threads joining on this one, - /// and deals with the thread's thread-local statics according to `tls_alloc_action`. - /// - /// This is called by the eval loop when a thread's on_stack_empty returns `Ready`. - #[inline] - fn terminate_active_thread(&mut self, tls_alloc_action: TlsAllocAction) -> InterpResult<'tcx> { - let this = self.eval_context_mut(); - let thread = this.active_thread_mut(); - assert!(thread.stack.is_empty(), "only threads with an empty stack can be terminated"); - thread.state = ThreadState::Terminated; - - let current_span = this.machine.current_span(); - let thread_local_allocations = - this.machine.threads.thread_terminated(this.machine.data_race.as_mut(), current_span); - for ptr in thread_local_allocations { - match tls_alloc_action { - TlsAllocAction::Deallocate => - this.deallocate_ptr(ptr.into(), None, MiriMemoryKind::Tls.into())?, - TlsAllocAction::Leak => - if let Some(alloc) = ptr.provenance.get_alloc_id() { - trace!("Thread-local static leaked and stored as static root: {:?}", alloc); - this.machine.static_roots.push(alloc); - }, - } - } - Ok(()) - } } diff --git a/src/tools/miri/src/diagnostics.rs b/src/tools/miri/src/diagnostics.rs index 189c4a20bf6c..468bbb85dddf 100644 --- a/src/tools/miri/src/diagnostics.rs +++ b/src/tools/miri/src/diagnostics.rs @@ -411,7 +411,7 @@ pub fn report_error<'tcx, 'mir>( vec![], helps, &stacktrace, - Some(ecx.get_active_thread()), + Some(ecx.active_thread()), &ecx.machine, ); @@ -419,7 +419,7 @@ pub fn report_error<'tcx, 'mir>( if show_all_threads { for (thread, stack) in ecx.machine.threads.all_stacks() { - if thread != ecx.get_active_thread() { + if thread != ecx.active_thread() { let stacktrace = Frame::generate_stacktrace_from_stack(stack); let (stacktrace, was_pruned) = prune_stacktrace(stacktrace, &ecx.machine); any_pruned |= was_pruned; @@ -684,7 +684,7 @@ impl<'mir, 'tcx> MiriMachine<'mir, 'tcx> { notes, helps, &stacktrace, - Some(self.threads.get_active_thread_id()), + Some(self.threads.active_thread()), self, ); } @@ -712,7 +712,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { vec![], vec![], &stacktrace, - Some(this.get_active_thread()), + Some(this.active_thread()), &this.machine, ); } diff --git a/src/tools/miri/src/lib.rs b/src/tools/miri/src/lib.rs index 1a663ba0704b..2fa88b6a2461 100644 --- a/src/tools/miri/src/lib.rs +++ b/src/tools/miri/src/lib.rs @@ -123,7 +123,8 @@ pub use crate::concurrency::{ init_once::{EvalContextExt as _, InitOnceId}, sync::{CondvarId, EvalContextExt as _, MutexId, RwLockId, SynchronizationObjects}, thread::{ - BlockReason, CallbackTime, EvalContextExt as _, StackEmptyCallback, ThreadId, ThreadManager, + BlockReason, EvalContextExt as _, StackEmptyCallback, ThreadId, ThreadManager, Timeout, + UnblockCallback, }, }; pub use crate::diagnostics::{ diff --git a/src/tools/miri/src/machine.rs b/src/tools/miri/src/machine.rs index cd9ab03dc687..e09fd2122f8c 100644 --- a/src/tools/miri/src/machine.rs +++ b/src/tools/miri/src/machine.rs @@ -473,7 +473,7 @@ pub struct MiriMachine<'mir, 'tcx> { /// The set of threads. pub(crate) threads: ThreadManager<'mir, 'tcx>, /// The state of the primitive synchronization objects. - pub(crate) sync: SynchronizationObjects<'mir, 'tcx>, + pub(crate) sync: SynchronizationObjects, /// Precomputed `TyLayout`s for primitive data types that are commonly used inside Miri. pub(crate) layouts: PrimitiveLayouts<'tcx>, @@ -770,7 +770,7 @@ impl VisitProvenance for MiriMachine<'_, '_> { #[rustfmt::skip] let MiriMachine { threads, - sync, + sync: _, tls, env_vars, main_fn_ret_place, @@ -819,7 +819,6 @@ impl VisitProvenance for MiriMachine<'_, '_> { } = self; threads.visit_provenance(visit); - sync.visit_provenance(visit); tls.visit_provenance(visit); env_vars.visit_provenance(visit); dirs.visit_provenance(visit); @@ -1371,7 +1370,7 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { Some(profiler.start_recording_interval_event_detached( *name, measureme::EventId::from_label(*name), - ecx.get_active_thread().to_u32(), + ecx.active_thread().to_u32(), )) } else { None diff --git a/src/tools/miri/src/shims/time.rs b/src/tools/miri/src/shims/time.rs index 941c61caa53a..a99006f39709 100644 --- a/src/tools/miri/src/shims/time.rs +++ b/src/tools/miri/src/shims/time.rs @@ -6,7 +6,6 @@ use std::time::{Duration, SystemTime}; use chrono::{DateTime, Datelike, Offset, Timelike, Utc}; use chrono_tz::Tz; -use crate::concurrency::thread::MachineCallback; use crate::*; /// Returns the time elapsed between the provided time and the unix epoch as a `Duration`. @@ -336,16 +335,9 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let timeout_time = now .checked_add(duration) .unwrap_or_else(|| now.checked_add(Duration::from_secs(3600)).unwrap()); + let timeout_time = Timeout::Monotonic(timeout_time); - let active_thread = this.get_active_thread(); - this.block_thread(active_thread, BlockReason::Sleep); - - this.register_timeout_callback( - active_thread, - CallbackTime::Monotonic(timeout_time), - Box::new(UnblockCallback { thread_to_unblock: active_thread }), - ); - + this.block_thread(BlockReason::Sleep, Some(timeout_time), SleepCallback); Ok(0) } @@ -359,31 +351,25 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let duration = Duration::from_millis(timeout_ms.into()); let timeout_time = this.machine.clock.now().checked_add(duration).unwrap(); + let timeout_time = Timeout::Monotonic(timeout_time); - let active_thread = this.get_active_thread(); - this.block_thread(active_thread, BlockReason::Sleep); - - this.register_timeout_callback( - active_thread, - CallbackTime::Monotonic(timeout_time), - Box::new(UnblockCallback { thread_to_unblock: active_thread }), - ); - + this.block_thread(BlockReason::Sleep, Some(timeout_time), SleepCallback); Ok(()) } } -struct UnblockCallback { - thread_to_unblock: ThreadId, -} - -impl VisitProvenance for UnblockCallback { +struct SleepCallback; +impl VisitProvenance for SleepCallback { fn visit_provenance(&self, _visit: &mut VisitWith<'_>) {} } - -impl<'mir, 'tcx: 'mir> MachineCallback<'mir, 'tcx> for UnblockCallback { - fn call(&self, ecx: &mut MiriInterpCx<'mir, 'tcx>) -> InterpResult<'tcx> { - ecx.unblock_thread(self.thread_to_unblock, BlockReason::Sleep); +impl<'mir, 'tcx: 'mir> UnblockCallback<'mir, 'tcx> for SleepCallback { + fn timeout(self: Box, _this: &mut MiriInterpCx<'mir, 'tcx>) -> InterpResult<'tcx> { Ok(()) } + fn unblock( + self: Box, + _this: &mut InterpCx<'mir, 'tcx, MiriMachine<'mir, 'tcx>>, + ) -> InterpResult<'tcx> { + panic!("a sleeping thread should only ever be woken up via the timeout") + } } diff --git a/src/tools/miri/src/shims/tls.rs b/src/tools/miri/src/shims/tls.rs index 0dec12f0b65f..3dc85cc70be8 100644 --- a/src/tools/miri/src/shims/tls.rs +++ b/src/tools/miri/src/shims/tls.rs @@ -282,7 +282,7 @@ impl<'tcx> TlsDtorsState<'tcx> { } } Done => { - this.machine.tls.delete_all_thread_tls(this.get_active_thread()); + this.machine.tls.delete_all_thread_tls(this.active_thread()); return Ok(Poll::Ready(())); } } @@ -332,7 +332,7 @@ trait EvalContextPrivExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { /// executed. fn schedule_macos_tls_dtor(&mut self) -> InterpResult<'tcx> { let this = self.eval_context_mut(); - let thread_id = this.get_active_thread(); + let thread_id = this.active_thread(); if let Some((instance, data)) = this.machine.tls.macos_thread_dtors.remove(&thread_id) { trace!("Running macos dtor {:?} on {:?} at {:?}", instance, data, thread_id); @@ -354,7 +354,7 @@ trait EvalContextPrivExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { state: &mut RunningDtorState, ) -> InterpResult<'tcx, Poll<()>> { let this = self.eval_context_mut(); - let active_thread = this.get_active_thread(); + let active_thread = this.active_thread(); // Fetch next dtor after `key`. let dtor = match this.machine.tls.fetch_tls_dtor(state.last_key, active_thread) { diff --git a/src/tools/miri/src/shims/unix/foreign_items.rs b/src/tools/miri/src/shims/unix/foreign_items.rs index 86dd23f31c7d..e75df88876b5 100644 --- a/src/tools/miri/src/shims/unix/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/foreign_items.rs @@ -388,14 +388,14 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { "pthread_getspecific" => { let [key] = this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?; let key = this.read_scalar(key)?.to_bits(key.layout.size)?; - let active_thread = this.get_active_thread(); + let active_thread = this.active_thread(); let ptr = this.machine.tls.load_tls(key, active_thread, this)?; this.write_scalar(ptr, dest)?; } "pthread_setspecific" => { let [key, new_ptr] = this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?; let key = this.read_scalar(key)?.to_bits(key.layout.size)?; - let active_thread = this.get_active_thread(); + let active_thread = this.active_thread(); let new_data = this.read_scalar(new_ptr)?; this.machine.tls.store_tls(key, active_thread, new_data, &*this.tcx)?; @@ -426,8 +426,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } "pthread_mutex_lock" => { let [mutex] = this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?; - let result = this.pthread_mutex_lock(mutex)?; - this.write_scalar(Scalar::from_i32(result), dest)?; + this.pthread_mutex_lock(mutex, dest)?; } "pthread_mutex_trylock" => { let [mutex] = this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?; @@ -446,8 +445,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } "pthread_rwlock_rdlock" => { let [rwlock] = this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?; - let result = this.pthread_rwlock_rdlock(rwlock)?; - this.write_scalar(Scalar::from_i32(result), dest)?; + this.pthread_rwlock_rdlock(rwlock, dest)?; } "pthread_rwlock_tryrdlock" => { let [rwlock] = this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?; @@ -456,8 +454,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } "pthread_rwlock_wrlock" => { let [rwlock] = this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?; - let result = this.pthread_rwlock_wrlock(rwlock)?; - this.write_scalar(Scalar::from_i32(result), dest)?; + this.pthread_rwlock_wrlock(rwlock, dest)?; } "pthread_rwlock_trywrlock" => { let [rwlock] = this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?; @@ -513,8 +510,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } "pthread_cond_wait" => { let [cond, mutex] = this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?; - let result = this.pthread_cond_wait(cond, mutex)?; - this.write_scalar(Scalar::from_i32(result), dest)?; + this.pthread_cond_wait(cond, mutex, dest)?; } "pthread_cond_timedwait" => { let [cond, mutex, abstime] = this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?; diff --git a/src/tools/miri/src/shims/unix/linux/sync.rs b/src/tools/miri/src/shims/unix/linux/sync.rs index d4a6cd96f48d..2c7c4dd65cef 100644 --- a/src/tools/miri/src/shims/unix/linux/sync.rs +++ b/src/tools/miri/src/shims/unix/linux/sync.rs @@ -1,6 +1,5 @@ use std::time::SystemTime; -use crate::concurrency::thread::MachineCallback; use crate::*; /// Implementation of the SYS_futex syscall. @@ -32,7 +31,6 @@ pub fn futex<'tcx>( let op = this.read_scalar(&args[1])?.to_i32()?; let val = this.read_scalar(&args[2])?.to_i32()?; - let thread = this.get_active_thread(); // This is a vararg function so we have to bring our own type for this pointer. let addr = this.ptr_to_mplace(addr, this.machine.layouts.i32); let addr_usize = addr.ptr().addr().bytes(); @@ -107,22 +105,18 @@ pub fn futex<'tcx>( Some(if wait_bitset { // FUTEX_WAIT_BITSET uses an absolute timestamp. if realtime { - CallbackTime::RealTime( - SystemTime::UNIX_EPOCH.checked_add(duration).unwrap(), - ) + Timeout::RealTime(SystemTime::UNIX_EPOCH.checked_add(duration).unwrap()) } else { - CallbackTime::Monotonic( + Timeout::Monotonic( this.machine.clock.anchor().checked_add(duration).unwrap(), ) } } else { // FUTEX_WAIT uses a relative timestamp. if realtime { - CallbackTime::RealTime(SystemTime::now().checked_add(duration).unwrap()) + Timeout::RealTime(SystemTime::now().checked_add(duration).unwrap()) } else { - CallbackTime::Monotonic( - this.machine.clock.now().checked_add(duration).unwrap(), - ) + Timeout::Monotonic(this.machine.clock.now().checked_add(duration).unwrap()) } }) }; @@ -158,7 +152,7 @@ pub fn futex<'tcx>( // to see an up-to-date value. // // The above case distinction is valid since both FUTEX_WAIT and FUTEX_WAKE - // contain a SeqCst fence, therefore inducting a total order between the operations. + // contain a SeqCst fence, therefore inducing a total order between the operations. // It is also critical that the fence, the atomic load, and the comparison in FUTEX_WAIT // altogether happen atomically. If the other thread's fence in FUTEX_WAKE // gets interleaved after our fence, then we lose the guarantee on the @@ -174,48 +168,16 @@ pub fn futex<'tcx>( // It's not uncommon for `addr` to be passed as another type than `*mut i32`, such as `*const AtomicI32`. let futex_val = this.read_scalar_atomic(&addr, AtomicReadOrd::Relaxed)?.to_i32()?; if val == futex_val { - // The value still matches, so we block the thread make it wait for FUTEX_WAKE. - this.block_thread(thread, BlockReason::Futex { addr: addr_usize }); - this.futex_wait(addr_usize, thread, bitset); - // Succesfully waking up from FUTEX_WAIT always returns zero. - this.write_scalar(Scalar::from_target_isize(0, this), dest)?; - // Register a timeout callback if a timeout was specified. - // This callback will override the return value when the timeout triggers. - if let Some(timeout_time) = timeout_time { - struct Callback<'tcx> { - thread: ThreadId, - addr_usize: u64, - dest: MPlaceTy<'tcx, Provenance>, - } - - impl<'tcx> VisitProvenance for Callback<'tcx> { - fn visit_provenance(&self, visit: &mut VisitWith<'_>) { - let Callback { thread: _, addr_usize: _, dest } = self; - dest.visit_provenance(visit); - } - } - - impl<'mir, 'tcx: 'mir> MachineCallback<'mir, 'tcx> for Callback<'tcx> { - fn call(&self, this: &mut MiriInterpCx<'mir, 'tcx>) -> InterpResult<'tcx> { - this.unblock_thread( - self.thread, - BlockReason::Futex { addr: self.addr_usize }, - ); - this.futex_remove_waiter(self.addr_usize, self.thread); - let etimedout = this.eval_libc("ETIMEDOUT"); - this.set_last_error(etimedout)?; - this.write_scalar(Scalar::from_target_isize(-1, this), &self.dest)?; - - Ok(()) - } - } - - this.register_timeout_callback( - thread, - timeout_time, - Box::new(Callback { thread, addr_usize, dest: dest.clone() }), - ); - } + // The value still matches, so we block the thread and make it wait for FUTEX_WAKE. + this.futex_wait( + addr_usize, + bitset, + timeout_time, + Scalar::from_target_isize(0, this), // retval_succ + Scalar::from_target_isize(-1, this), // retval_timeout + dest.clone(), + this.eval_libc("ETIMEDOUT"), + ); } else { // The futex value doesn't match the expected value, so we return failure // right away without sleeping: -1 and errno set to EAGAIN. @@ -257,9 +219,7 @@ pub fn futex<'tcx>( let mut n = 0; #[allow(clippy::arithmetic_side_effects)] for _ in 0..val { - if let Some(thread) = this.futex_wake(addr_usize, bitset) { - this.unblock_thread(thread, BlockReason::Futex { addr: addr_usize }); - this.unregister_timeout_callback_if_exists(thread); + if this.futex_wake(addr_usize, bitset)? { n += 1; } else { break; diff --git a/src/tools/miri/src/shims/unix/macos/foreign_items.rs b/src/tools/miri/src/shims/unix/macos/foreign_items.rs index 2b9ce746a565..7c489ec4e3c8 100644 --- a/src/tools/miri/src/shims/unix/macos/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/macos/foreign_items.rs @@ -131,7 +131,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let dtor = this.read_pointer(dtor)?; let dtor = this.get_ptr_fn(dtor)?.as_instance()?; let data = this.read_scalar(data)?; - let active_thread = this.get_active_thread(); + let active_thread = this.active_thread(); this.machine.tls.set_macos_thread_dtor(active_thread, dtor, data)?; } diff --git a/src/tools/miri/src/shims/unix/sync.rs b/src/tools/miri/src/shims/unix/sync.rs index 79358da0894a..b2864269b2ee 100644 --- a/src/tools/miri/src/shims/unix/sync.rs +++ b/src/tools/miri/src/shims/unix/sync.rs @@ -3,7 +3,6 @@ use std::time::SystemTime; use rustc_target::abi::Size; -use crate::concurrency::thread::MachineCallback; use crate::*; // pthread_mutexattr_t is either 4 or 8 bytes, depending on the platform. @@ -373,59 +372,6 @@ fn cond_set_clock_id<'mir, 'tcx: 'mir>( ) } -/// Try to reacquire the mutex associated with the condition variable after we -/// were signaled. -fn reacquire_cond_mutex<'mir, 'tcx: 'mir>( - ecx: &mut MiriInterpCx<'mir, 'tcx>, - thread: ThreadId, - condvar: CondvarId, - mutex: MutexId, -) -> InterpResult<'tcx> { - ecx.unblock_thread(thread, BlockReason::Condvar(condvar)); - if ecx.mutex_is_locked(mutex) { - ecx.mutex_enqueue_and_block(mutex, thread); - } else { - ecx.mutex_lock(mutex, thread); - } - Ok(()) -} - -/// After a thread waiting on a condvar was signaled: -/// Reacquire the conditional variable and remove the timeout callback if any -/// was registered. -fn post_cond_signal<'mir, 'tcx: 'mir>( - ecx: &mut MiriInterpCx<'mir, 'tcx>, - thread: ThreadId, - condvar: CondvarId, - mutex: MutexId, -) -> InterpResult<'tcx> { - reacquire_cond_mutex(ecx, thread, condvar, mutex)?; - // Waiting for the mutex is not included in the waiting time because we need - // to acquire the mutex always even if we get a timeout. - ecx.unregister_timeout_callback_if_exists(thread); - Ok(()) -} - -/// Release the mutex associated with the condition variable because we are -/// entering the waiting state. -fn release_cond_mutex_and_block<'mir, 'tcx: 'mir>( - ecx: &mut MiriInterpCx<'mir, 'tcx>, - thread: ThreadId, - condvar: CondvarId, - mutex: MutexId, -) -> InterpResult<'tcx> { - assert_eq!(ecx.get_active_thread(), thread); - if let Some(old_locked_count) = ecx.mutex_unlock(mutex) { - if old_locked_count != 1 { - throw_unsup_format!("awaiting on a lock acquired multiple times is not supported"); - } - } else { - throw_ub_format!("awaiting on unlocked or owned by a different thread mutex"); - } - ecx.block_thread(thread, BlockReason::Condvar(condvar)); - Ok(()) -} - impl<'mir, 'tcx> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { fn pthread_mutexattr_init( @@ -531,19 +477,21 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { Ok(0) } - fn pthread_mutex_lock(&mut self, mutex_op: &OpTy<'tcx, Provenance>) -> InterpResult<'tcx, i32> { + fn pthread_mutex_lock( + &mut self, + mutex_op: &OpTy<'tcx, Provenance>, + dest: &MPlaceTy<'tcx, Provenance>, + ) -> InterpResult<'tcx> { let this = self.eval_context_mut(); let kind = mutex_get_kind(this, mutex_op)?; let id = mutex_get_id(this, mutex_op)?; - let active_thread = this.get_active_thread(); - if this.mutex_is_locked(id) { + let ret = if this.mutex_is_locked(id) { let owner_thread = this.mutex_get_owner(id); - if owner_thread != active_thread { - // Enqueue the active thread. - this.mutex_enqueue_and_block(id, active_thread); - Ok(0) + if owner_thread != this.active_thread() { + this.mutex_enqueue_and_block(id, Scalar::from_i32(0), dest.clone()); + return Ok(()); } else { // Trying to acquire the same mutex again. if is_mutex_kind_default(this, kind)? { @@ -551,10 +499,10 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } else if is_mutex_kind_normal(this, kind)? { throw_machine_stop!(TerminationInfo::Deadlock); } else if kind == this.eval_libc_i32("PTHREAD_MUTEX_ERRORCHECK") { - Ok(this.eval_libc_i32("EDEADLK")) + this.eval_libc_i32("EDEADLK") } else if kind == this.eval_libc_i32("PTHREAD_MUTEX_RECURSIVE") { - this.mutex_lock(id, active_thread); - Ok(0) + this.mutex_lock(id); + 0 } else { throw_unsup_format!( "called pthread_mutex_lock on an unsupported type of mutex" @@ -563,9 +511,11 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } } else { // The mutex is unlocked. Let's lock it. - this.mutex_lock(id, active_thread); - Ok(0) - } + this.mutex_lock(id); + 0 + }; + this.write_scalar(Scalar::from_i32(ret), dest)?; + Ok(()) } fn pthread_mutex_trylock( @@ -576,11 +526,10 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let kind = mutex_get_kind(this, mutex_op)?; let id = mutex_get_id(this, mutex_op)?; - let active_thread = this.get_active_thread(); if this.mutex_is_locked(id) { let owner_thread = this.mutex_get_owner(id); - if owner_thread != active_thread { + if owner_thread != this.active_thread() { Ok(this.eval_libc_i32("EBUSY")) } else { if is_mutex_kind_default(this, kind)? @@ -589,7 +538,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { { Ok(this.eval_libc_i32("EBUSY")) } else if kind == this.eval_libc_i32("PTHREAD_MUTEX_RECURSIVE") { - this.mutex_lock(id, active_thread); + this.mutex_lock(id); Ok(0) } else { throw_unsup_format!( @@ -599,7 +548,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } } else { // The mutex is unlocked. Let's lock it. - this.mutex_lock(id, active_thread); + this.mutex_lock(id); Ok(0) } } @@ -613,7 +562,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let kind = mutex_get_kind(this, mutex_op)?; let id = mutex_get_id(this, mutex_op)?; - if let Some(_old_locked_count) = this.mutex_unlock(id) { + if let Some(_old_locked_count) = this.mutex_unlock(id)? { // The mutex was locked by the current thread. Ok(0) } else { @@ -666,19 +615,20 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { fn pthread_rwlock_rdlock( &mut self, rwlock_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, i32> { + dest: &MPlaceTy<'tcx, Provenance>, + ) -> InterpResult<'tcx> { let this = self.eval_context_mut(); let id = rwlock_get_id(this, rwlock_op)?; - let active_thread = this.get_active_thread(); if this.rwlock_is_write_locked(id) { - this.rwlock_enqueue_and_block_reader(id, active_thread); - Ok(0) + this.rwlock_enqueue_and_block_reader(id, Scalar::from_i32(0), dest.clone()); } else { - this.rwlock_reader_lock(id, active_thread); - Ok(0) + this.rwlock_reader_lock(id); + this.write_null(dest)?; } + + Ok(()) } fn pthread_rwlock_tryrdlock( @@ -688,12 +638,11 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let this = self.eval_context_mut(); let id = rwlock_get_id(this, rwlock_op)?; - let active_thread = this.get_active_thread(); if this.rwlock_is_write_locked(id) { Ok(this.eval_libc_i32("EBUSY")) } else { - this.rwlock_reader_lock(id, active_thread); + this.rwlock_reader_lock(id); Ok(0) } } @@ -701,11 +650,11 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { fn pthread_rwlock_wrlock( &mut self, rwlock_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, i32> { + dest: &MPlaceTy<'tcx, Provenance>, + ) -> InterpResult<'tcx> { let this = self.eval_context_mut(); let id = rwlock_get_id(this, rwlock_op)?; - let active_thread = this.get_active_thread(); if this.rwlock_is_locked(id) { // Note: this will deadlock if the lock is already locked by this @@ -720,12 +669,13 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { // report the deadlock only when no thread can continue execution, // but we could detect that this lock is already locked and report // an error.) - this.rwlock_enqueue_and_block_writer(id, active_thread); + this.rwlock_enqueue_and_block_writer(id, Scalar::from_i32(0), dest.clone()); } else { - this.rwlock_writer_lock(id, active_thread); + this.rwlock_writer_lock(id); + this.write_null(dest)?; } - Ok(0) + Ok(()) } fn pthread_rwlock_trywrlock( @@ -735,12 +685,11 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let this = self.eval_context_mut(); let id = rwlock_get_id(this, rwlock_op)?; - let active_thread = this.get_active_thread(); if this.rwlock_is_locked(id) { Ok(this.eval_libc_i32("EBUSY")) } else { - this.rwlock_writer_lock(id, active_thread); + this.rwlock_writer_lock(id); Ok(0) } } @@ -754,9 +703,9 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let id = rwlock_get_id(this, rwlock_op)?; #[allow(clippy::if_same_then_else)] - if this.rwlock_reader_unlock(id) { + if this.rwlock_reader_unlock(id)? { Ok(0) - } else if this.rwlock_writer_unlock(id) { + } else if this.rwlock_writer_unlock(id)? { Ok(0) } else { throw_ub_format!("unlocked an rwlock that was not locked by the active thread"); @@ -885,10 +834,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { fn pthread_cond_signal(&mut self, cond_op: &OpTy<'tcx, Provenance>) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); let id = cond_get_id(this, cond_op)?; - if let Some((thread, mutex)) = this.condvar_signal(id) { - post_cond_signal(this, thread, id, mutex)?; - } - + this.condvar_signal(id)?; Ok(0) } @@ -898,11 +844,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { ) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); let id = cond_get_id(this, cond_op)?; - - while let Some((thread, mutex)) = this.condvar_signal(id) { - post_cond_signal(this, thread, id, mutex)?; - } - + while this.condvar_signal(id)? {} Ok(0) } @@ -910,17 +852,23 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { &mut self, cond_op: &OpTy<'tcx, Provenance>, mutex_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, i32> { + dest: &MPlaceTy<'tcx, Provenance>, + ) -> InterpResult<'tcx> { let this = self.eval_context_mut(); let id = cond_get_id(this, cond_op)?; let mutex_id = mutex_get_id(this, mutex_op)?; - let active_thread = this.get_active_thread(); - release_cond_mutex_and_block(this, active_thread, id, mutex_id)?; - this.condvar_wait(id, active_thread, mutex_id); + this.condvar_wait( + id, + mutex_id, + None, // no timeout + Scalar::from_i32(0), + Scalar::from_i32(0), // retval_timeout -- unused + dest.clone(), + )?; - Ok(0) + Ok(()) } fn pthread_cond_timedwait( @@ -934,7 +882,6 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let id = cond_get_id(this, cond_op)?; let mutex_id = mutex_get_id(this, mutex_op)?; - let active_thread = this.get_active_thread(); // Extract the timeout. let clock_id = cond_get_clock_id(this, cond_op)?; @@ -948,61 +895,23 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { return Ok(()); } }; - let timeout_time = if is_cond_clock_realtime(this, clock_id) { this.check_no_isolation("`pthread_cond_timedwait` with `CLOCK_REALTIME`")?; - CallbackTime::RealTime(SystemTime::UNIX_EPOCH.checked_add(duration).unwrap()) + Timeout::RealTime(SystemTime::UNIX_EPOCH.checked_add(duration).unwrap()) } else if clock_id == this.eval_libc_i32("CLOCK_MONOTONIC") { - CallbackTime::Monotonic(this.machine.clock.anchor().checked_add(duration).unwrap()) + Timeout::Monotonic(this.machine.clock.anchor().checked_add(duration).unwrap()) } else { throw_unsup_format!("unsupported clock id: {}", clock_id); }; - release_cond_mutex_and_block(this, active_thread, id, mutex_id)?; - this.condvar_wait(id, active_thread, mutex_id); - - // We return success for now and override it in the timeout callback. - this.write_scalar(Scalar::from_i32(0), dest)?; - - struct Callback<'tcx> { - active_thread: ThreadId, - mutex_id: MutexId, - id: CondvarId, - dest: MPlaceTy<'tcx, Provenance>, - } - - impl<'tcx> VisitProvenance for Callback<'tcx> { - fn visit_provenance(&self, visit: &mut VisitWith<'_>) { - let Callback { active_thread: _, mutex_id: _, id: _, dest } = self; - dest.visit_provenance(visit); - } - } - - impl<'mir, 'tcx: 'mir> MachineCallback<'mir, 'tcx> for Callback<'tcx> { - fn call(&self, ecx: &mut MiriInterpCx<'mir, 'tcx>) -> InterpResult<'tcx> { - assert_eq!(self.active_thread, ecx.get_active_thread()); - // We are not waiting for the condvar any more, wait for the - // mutex instead. - reacquire_cond_mutex(ecx, self.active_thread, self.id, self.mutex_id)?; - - // Remove the thread from the conditional variable. - ecx.condvar_remove_waiter(self.id, self.active_thread); - - // Set the return value: we timed out. - let etimedout = ecx.eval_libc("ETIMEDOUT"); - ecx.write_scalar(etimedout, &self.dest)?; - - Ok(()) - } - } - - // Register the timeout callback. - let dest = dest.clone(); - this.register_timeout_callback( - active_thread, - timeout_time, - Box::new(Callback { active_thread, mutex_id, id, dest }), - ); + this.condvar_wait( + id, + mutex_id, + Some(timeout_time), + Scalar::from_i32(0), + this.eval_libc("ETIMEDOUT"), // retval_timeout + dest.clone(), + )?; Ok(()) } diff --git a/src/tools/miri/src/shims/unix/thread.rs b/src/tools/miri/src/shims/unix/thread.rs index 9e09401a8158..f8787ad90e0c 100644 --- a/src/tools/miri/src/shims/unix/thread.rs +++ b/src/tools/miri/src/shims/unix/thread.rs @@ -63,7 +63,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { fn pthread_self(&mut self) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); - let thread_id = this.get_active_thread(); + let thread_id = this.active_thread(); Ok(Scalar::from_uint(thread_id.to_u32(), this.libc_ty_layout("pthread_t").size)) } diff --git a/src/tools/miri/src/shims/windows/foreign_items.rs b/src/tools/miri/src/shims/windows/foreign_items.rs index 91def80227db..462c7ffcdccf 100644 --- a/src/tools/miri/src/shims/windows/foreign_items.rs +++ b/src/tools/miri/src/shims/windows/foreign_items.rs @@ -354,7 +354,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { "TlsGetValue" => { let [key] = this.check_shim(abi, Abi::System { unwind: false }, link_name, args)?; let key = u128::from(this.read_scalar(key)?.to_u32()?); - let active_thread = this.get_active_thread(); + let active_thread = this.active_thread(); let ptr = this.machine.tls.load_tls(key, active_thread, this)?; this.write_scalar(ptr, dest)?; } @@ -362,7 +362,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let [key, new_ptr] = this.check_shim(abi, Abi::System { unwind: false }, link_name, args)?; let key = u128::from(this.read_scalar(key)?.to_u32()?); - let active_thread = this.get_active_thread(); + let active_thread = this.active_thread(); let new_data = this.read_scalar(new_ptr)?; this.machine.tls.store_tls(key, active_thread, new_data, &*this.tcx)?; @@ -423,8 +423,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { "InitOnceBeginInitialize" => { let [ptr, flags, pending, context] = this.check_shim(abi, Abi::System { unwind: false }, link_name, args)?; - let result = this.InitOnceBeginInitialize(ptr, flags, pending, context)?; - this.write_scalar(result, dest)?; + this.InitOnceBeginInitialize(ptr, flags, pending, context, dest)?; } "InitOnceComplete" => { let [ptr, flags, context] = @@ -502,7 +501,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let thread = match Handle::from_scalar(handle, this)? { Some(Handle::Thread(thread)) => thread, - Some(Handle::Pseudo(PseudoHandle::CurrentThread)) => this.get_active_thread(), + Some(Handle::Pseudo(PseudoHandle::CurrentThread)) => this.active_thread(), _ => this.invalid_handle("SetThreadDescription")?, }; @@ -520,7 +519,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let thread = match Handle::from_scalar(handle, this)? { Some(Handle::Thread(thread)) => thread, - Some(Handle::Pseudo(PseudoHandle::CurrentThread)) => this.get_active_thread(), + Some(Handle::Pseudo(PseudoHandle::CurrentThread)) => this.active_thread(), _ => this.invalid_handle("SetThreadDescription")?, }; // Looks like the default thread name is empty. diff --git a/src/tools/miri/src/shims/windows/sync.rs b/src/tools/miri/src/shims/windows/sync.rs index 836b9e925959..1e71fc92400d 100644 --- a/src/tools/miri/src/shims/windows/sync.rs +++ b/src/tools/miri/src/shims/windows/sync.rs @@ -3,7 +3,6 @@ use std::time::Duration; use rustc_target::abi::Size; use crate::concurrency::init_once::InitOnceStatus; -use crate::concurrency::thread::MachineCallback; use crate::*; impl<'mir, 'tcx> EvalContextExtPriv<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} @@ -18,6 +17,31 @@ trait EvalContextExtPriv<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let this = self.eval_context_mut(); this.init_once_get_or_create_id(init_once_op, this.windows_ty_layout("INIT_ONCE"), 0) } + + /// Returns `true` if we were succssful, `false` if we would block. + fn init_once_try_begin( + &mut self, + id: InitOnceId, + pending_place: &MPlaceTy<'tcx, Provenance>, + dest: &MPlaceTy<'tcx, Provenance>, + ) -> InterpResult<'tcx, bool> { + let this = self.eval_context_mut(); + Ok(match this.init_once_status(id) { + InitOnceStatus::Uninitialized => { + this.init_once_begin(id); + this.write_scalar(this.eval_windows("c", "TRUE"), pending_place)?; + this.write_scalar(this.eval_windows("c", "TRUE"), dest)?; + true + } + InitOnceStatus::Complete => { + this.init_once_observe_completed(id); + this.write_scalar(this.eval_windows("c", "FALSE"), pending_place)?; + this.write_scalar(this.eval_windows("c", "TRUE"), dest)?; + true + } + InitOnceStatus::Begun => false, + }) + } } impl<'mir, 'tcx> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} @@ -29,9 +53,9 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { flags_op: &OpTy<'tcx, Provenance>, pending_op: &OpTy<'tcx, Provenance>, context_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, Scalar> { + dest: &MPlaceTy<'tcx, Provenance>, + ) -> InterpResult<'tcx> { let this = self.eval_context_mut(); - let active_thread = this.get_active_thread(); let id = this.init_once_get_id(init_once_op)?; let flags = this.read_scalar(flags_op)?.to_u32()?; @@ -46,58 +70,34 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { throw_unsup_format!("non-null `lpContext` in `InitOnceBeginInitialize`"); } - match this.init_once_status(id) { - InitOnceStatus::Uninitialized => { - this.init_once_begin(id); - this.write_scalar(this.eval_windows("c", "TRUE"), &pending_place)?; - } - InitOnceStatus::Begun => { - // Someone else is already on it. - // Block this thread until they are done. - // When we are woken up, set the `pending` flag accordingly. - struct Callback<'tcx> { - init_once_id: InitOnceId, - pending_place: MPlaceTy<'tcx, Provenance>, - } - - impl<'tcx> VisitProvenance for Callback<'tcx> { - fn visit_provenance(&self, visit: &mut VisitWith<'_>) { - let Callback { init_once_id: _, pending_place } = self; - pending_place.visit_provenance(visit); - } - } - - impl<'mir, 'tcx> MachineCallback<'mir, 'tcx> for Callback<'tcx> { - fn call(&self, this: &mut MiriInterpCx<'mir, 'tcx>) -> InterpResult<'tcx> { - let pending = match this.init_once_status(self.init_once_id) { - InitOnceStatus::Uninitialized => - unreachable!( - "status should have either been set to begun or complete" - ), - InitOnceStatus::Begun => this.eval_windows("c", "TRUE"), - InitOnceStatus::Complete => this.eval_windows("c", "FALSE"), - }; - - this.write_scalar(pending, &self.pending_place)?; - - Ok(()) - } - } - - this.init_once_enqueue_and_block( - id, - active_thread, - Box::new(Callback { init_once_id: id, pending_place }), - ) - } - InitOnceStatus::Complete => { - this.init_once_observe_completed(id); - this.write_scalar(this.eval_windows("c", "FALSE"), &pending_place)?; - } + if this.init_once_try_begin(id, &pending_place, dest)? { + // Done! + return Ok(()); } - // This always succeeds (even if the thread is blocked, we will succeed if we ever unblock). - Ok(this.eval_windows("c", "TRUE")) + // We have to block, and then try again when we are woken up. + this.init_once_enqueue_and_block(id, Callback { id, pending_place, dest: dest.clone() }); + return Ok(()); + + struct Callback<'tcx> { + id: InitOnceId, + pending_place: MPlaceTy<'tcx, Provenance>, + dest: MPlaceTy<'tcx, Provenance>, + } + impl<'tcx> VisitProvenance for Callback<'tcx> { + fn visit_provenance(&self, visit: &mut VisitWith<'_>) { + let Callback { id: _, dest, pending_place } = self; + pending_place.visit_provenance(visit); + dest.visit_provenance(visit); + } + } + impl<'mir, 'tcx> UnblockCallback<'mir, 'tcx> for Callback<'tcx> { + fn unblock(self: Box, this: &mut MiriInterpCx<'mir, 'tcx>) -> InterpResult<'tcx> { + let ret = this.init_once_try_begin(self.id, &self.pending_place, &self.dest)?; + assert!(ret, "we were woken up but init_once_try_begin still failed"); + Ok(()) + } + } } fn InitOnceComplete( @@ -155,7 +155,6 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let size = this.read_target_usize(size_op)?; let timeout_ms = this.read_scalar(timeout_op)?.to_u32()?; - let thread = this.get_active_thread(); let addr = ptr.addr().bytes(); if size > 8 || !size.is_power_of_two() { @@ -170,7 +169,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { None } else { let duration = Duration::from_millis(timeout_ms.into()); - Some(CallbackTime::Monotonic(this.machine.clock.now().checked_add(duration).unwrap())) + Some(Timeout::Monotonic(this.machine.clock.now().checked_add(duration).unwrap())) }; // See the Linux futex implementation for why this fence exists. @@ -183,41 +182,15 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { if futex_val == compare_val { // If the values are the same, we have to block. - this.block_thread(thread, BlockReason::Futex { addr }); - this.futex_wait(addr, thread, u32::MAX); - - if let Some(timeout_time) = timeout_time { - struct Callback<'tcx> { - thread: ThreadId, - addr: u64, - dest: MPlaceTy<'tcx, Provenance>, - } - - impl<'tcx> VisitProvenance for Callback<'tcx> { - fn visit_provenance(&self, visit: &mut VisitWith<'_>) { - let Callback { thread: _, addr: _, dest } = self; - dest.visit_provenance(visit); - } - } - - impl<'mir, 'tcx: 'mir> MachineCallback<'mir, 'tcx> for Callback<'tcx> { - fn call(&self, this: &mut MiriInterpCx<'mir, 'tcx>) -> InterpResult<'tcx> { - this.unblock_thread(self.thread, BlockReason::Futex { addr: self.addr }); - this.futex_remove_waiter(self.addr, self.thread); - let error_timeout = this.eval_windows("c", "ERROR_TIMEOUT"); - this.set_last_error(error_timeout)?; - this.write_scalar(Scalar::from_i32(0), &self.dest)?; - - Ok(()) - } - } - - this.register_timeout_callback( - thread, - timeout_time, - Box::new(Callback { thread, addr, dest: dest.clone() }), - ); - } + this.futex_wait( + addr, + u32::MAX, // bitset + timeout_time, + Scalar::from_i32(1), // retval_succ + Scalar::from_i32(0), // retval_timeout + dest.clone(), + this.eval_windows("c", "ERROR_TIMEOUT"), + ); } this.write_scalar(Scalar::from_i32(1), dest)?; @@ -234,10 +207,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { this.atomic_fence(AtomicFenceOrd::SeqCst)?; let addr = ptr.addr().bytes(); - if let Some(thread) = this.futex_wake(addr, u32::MAX) { - this.unblock_thread(thread, BlockReason::Futex { addr }); - this.unregister_timeout_callback_if_exists(thread); - } + this.futex_wake(addr, u32::MAX)?; Ok(()) } @@ -250,10 +220,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { this.atomic_fence(AtomicFenceOrd::SeqCst)?; let addr = ptr.addr().bytes(); - while let Some(thread) = this.futex_wake(addr, u32::MAX) { - this.unblock_thread(thread, BlockReason::Futex { addr }); - this.unregister_timeout_callback_if_exists(thread); - } + while this.futex_wake(addr, u32::MAX)? {} Ok(()) } diff --git a/src/tools/miri/src/shims/windows/thread.rs b/src/tools/miri/src/shims/windows/thread.rs index 3953a881a720..047f52f50be2 100644 --- a/src/tools/miri/src/shims/windows/thread.rs +++ b/src/tools/miri/src/shims/windows/thread.rs @@ -69,7 +69,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { Some(Handle::Thread(thread)) => thread, // Unlike on posix, the outcome of joining the current thread is not documented. // On current Windows, it just deadlocks. - Some(Handle::Pseudo(PseudoHandle::CurrentThread)) => this.get_active_thread(), + Some(Handle::Pseudo(PseudoHandle::CurrentThread)) => this.active_thread(), _ => this.invalid_handle("WaitForSingleObject")?, }; From e6bb468b53f4756f1b9356d475fcaf280a16abef Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sun, 26 May 2024 16:00:14 +0200 Subject: [PATCH 0576/1716] data_race: vector indices can be reused immediately when the thread is gone --- src/tools/miri/src/concurrency/data_race.rs | 107 ++++++-------------- src/tools/miri/src/concurrency/thread.rs | 10 +- 2 files changed, 36 insertions(+), 81 deletions(-) diff --git a/src/tools/miri/src/concurrency/data_race.rs b/src/tools/miri/src/concurrency/data_race.rs index f22dbf49e8b1..b96e3beed459 100644 --- a/src/tools/miri/src/concurrency/data_race.rs +++ b/src/tools/miri/src/concurrency/data_race.rs @@ -47,7 +47,7 @@ use std::{ }; use rustc_ast::Mutability; -use rustc_data_structures::fx::{FxHashMap, FxHashSet}; +use rustc_data_structures::fx::FxHashSet; use rustc_index::{Idx, IndexVec}; use rustc_middle::{mir, ty::Ty}; use rustc_span::Span; @@ -1432,13 +1432,6 @@ pub struct GlobalState { /// active vector-clocks catch up with the threads timestamp. reuse_candidates: RefCell>, - /// This contains threads that have terminated, but not yet joined - /// and so cannot become re-use candidates until a join operation - /// occurs. - /// The associated vector index will be moved into re-use candidates - /// after the join operation occurs. - terminated_threads: RefCell>, - /// The timestamp of last SC fence performed by each thread last_sc_fence: RefCell, @@ -1466,7 +1459,6 @@ impl GlobalState { vector_info: RefCell::new(IndexVec::new()), thread_info: RefCell::new(IndexVec::new()), reuse_candidates: RefCell::new(FxHashSet::default()), - terminated_threads: RefCell::new(FxHashMap::default()), last_sc_fence: RefCell::new(VClock::default()), last_sc_write: RefCell::new(VClock::default()), track_outdated_loads: config.track_outdated_loads, @@ -1500,8 +1492,6 @@ impl GlobalState { fn find_vector_index_reuse_candidate(&self) -> Option { let mut reuse = self.reuse_candidates.borrow_mut(); let vector_clocks = self.vector_clocks.borrow(); - let vector_info = self.vector_info.borrow(); - let terminated_threads = self.terminated_threads.borrow(); for &candidate in reuse.iter() { let target_timestamp = vector_clocks[candidate].clock[candidate]; if vector_clocks.iter_enumerated().all(|(clock_idx, clock)| { @@ -1511,9 +1501,7 @@ impl GlobalState { // The vector represents a thread that has terminated and hence cannot // report a data-race with the candidate index. - let thread_id = vector_info[clock_idx]; - let vector_terminated = - reuse.contains(&clock_idx) || terminated_threads.contains_key(&thread_id); + let vector_terminated = reuse.contains(&clock_idx); // The vector index cannot report a race with the candidate index // and hence allows the candidate index to be re-used. @@ -1603,55 +1591,38 @@ impl GlobalState { /// thread (the joinee, the thread that someone waited on) and the current thread (the joiner, /// the thread who was waiting). #[inline] - pub fn thread_joined( - &mut self, - thread_mgr: &ThreadManager<'_, '_>, - joiner: ThreadId, - joinee: ThreadId, - ) { - let clocks_vec = self.vector_clocks.get_mut(); - let thread_info = self.thread_info.get_mut(); - - // Load the vector clock of the current thread. - let current_index = thread_info[joiner] - .vector_index - .expect("Performed thread join on thread with no assigned vector"); - let current = &mut clocks_vec[current_index]; + pub fn thread_joined(&mut self, threads: &ThreadManager<'_, '_>, joinee: ThreadId) { + let thread_info = self.thread_info.borrow(); + let thread_info = &thread_info[joinee]; // Load the associated vector clock for the terminated thread. - let join_clock = thread_info[joinee] + let join_clock = thread_info .termination_vector_clock .as_ref() - .expect("Joined with thread but thread has not terminated"); - - // The join thread happens-before the current thread - // so update the current vector clock. - // Is not a release operation so the clock is not incremented. - current.clock.join(join_clock); + .expect("joined with thread but thread has not terminated"); + // Acquire that into the current thread. + self.acquire_clock(join_clock, threads); // Check the number of live threads, if the value is 1 // then test for potentially disabling multi-threaded execution. - if thread_mgr.get_live_thread_count() == 1 { - // May potentially be able to disable multi-threaded execution. - let current_clock = &clocks_vec[current_index]; - if clocks_vec - .iter_enumerated() - .all(|(idx, clocks)| clocks.clock[idx] <= current_clock.clock[idx]) - { - // All thread terminations happen-before the current clock - // therefore no data-races can be reported until a new thread - // is created, so disable multi-threaded execution. - self.multi_threaded.set(false); + // This has to happen after `acquire_clock`, otherwise there'll always + // be some thread that has not synchronized yet. + if let Some(current_index) = thread_info.vector_index { + if threads.get_live_thread_count() == 1 { + let vector_clocks = self.vector_clocks.get_mut(); + // May potentially be able to disable multi-threaded execution. + let current_clock = &vector_clocks[current_index]; + if vector_clocks + .iter_enumerated() + .all(|(idx, clocks)| clocks.clock[idx] <= current_clock.clock[idx]) + { + // All thread terminations happen-before the current clock + // therefore no data-races can be reported until a new thread + // is created, so disable multi-threaded execution. + self.multi_threaded.set(false); + } } } - - // If the thread is marked as terminated but not joined - // then move the thread to the re-use set. - let termination = self.terminated_threads.get_mut(); - if let Some(index) = termination.remove(&joinee) { - let reuse = self.reuse_candidates.get_mut(); - reuse.insert(index); - } } /// On thread termination, the vector-clock may re-used @@ -1663,29 +1634,17 @@ impl GlobalState { /// `thread_joined`. #[inline] pub fn thread_terminated(&mut self, thread_mgr: &ThreadManager<'_, '_>) { + let current_thread = thread_mgr.active_thread(); let current_index = self.active_thread_index(thread_mgr); - // Increment the clock to a unique termination timestamp. - let vector_clocks = self.vector_clocks.get_mut(); - let current_clocks = &mut vector_clocks[current_index]; - current_clocks - .increment_clock(current_index, thread_mgr.active_thread_ref().current_span()); + // Store the terminaion clock. + let terminaion_clock = self.release_clock(thread_mgr).clone(); + self.thread_info.get_mut()[current_thread].termination_vector_clock = + Some(terminaion_clock); - // Load the current thread id for the executing vector. - let vector_info = self.vector_info.get_mut(); - let current_thread = vector_info[current_index]; - - // Load the current thread metadata, and move to a terminated - // vector state. Setting up the vector clock all join operations - // will use. - let thread_info = self.thread_info.get_mut(); - let current = &mut thread_info[current_thread]; - current.termination_vector_clock = Some(current_clocks.clock.clone()); - - // Add this thread as a candidate for re-use after a thread join - // occurs. - let termination = self.terminated_threads.get_mut(); - termination.insert(current_thread, current_index); + // Add this thread's clock index as a candidate for re-use. + let reuse = self.reuse_candidates.get_mut(); + reuse.insert(current_index); } /// Attempt to perform a synchronized operation, this diff --git a/src/tools/miri/src/concurrency/thread.rs b/src/tools/miri/src/concurrency/thread.rs index 43aac8a3243f..d663ff5a3be2 100644 --- a/src/tools/miri/src/concurrency/thread.rs +++ b/src/tools/miri/src/concurrency/thread.rs @@ -597,19 +597,15 @@ impl<'mir, 'tcx: 'mir> ThreadManager<'mir, 'tcx> { this: &mut MiriInterpCx<'mir, 'tcx>, ) -> InterpResult<'tcx> { if let Some(data_race) = &mut this.machine.data_race { - data_race.thread_joined( - &this.machine.threads, - this.machine.threads.active_thread(), - self.joined_thread_id, - ); + data_race.thread_joined(&this.machine.threads, self.joined_thread_id); } Ok(()) } } } else { - // The thread has already terminated - mark join happens-before + // The thread has already terminated - establish happens-before if let Some(data_race) = data_race { - data_race.thread_joined(self, self.active_thread, joined_thread_id); + data_race.thread_joined(self, joined_thread_id); } } Ok(()) From 073e5d4a2a5eff241b87bafeb636b0c94f2f3f47 Mon Sep 17 00:00:00 2001 From: David Carlier Date: Sun, 26 May 2024 14:35:26 +0000 Subject: [PATCH 0577/1716] std::pal::unix::thread fetching min stack size on netbsd. PTHREAD_STACK_MIN is not defined however sysconf/_SC_THREAD_STACK_MIN returns it as it can vary from arch to another. --- library/std/src/sys/pal/unix/thread.rs | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/library/std/src/sys/pal/unix/thread.rs b/library/std/src/sys/pal/unix/thread.rs index 853ef8736de2..1ab54ec57c3b 100644 --- a/library/std/src/sys/pal/unix/thread.rs +++ b/library/std/src/sys/pal/unix/thread.rs @@ -717,5 +717,14 @@ unsafe fn min_stack_size(_: *const libc::pthread_attr_t) -> usize { #[cfg(target_os = "netbsd")] unsafe fn min_stack_size(_: *const libc::pthread_attr_t) -> usize { - 2048 // just a guess + static STACK: crate::sync::OnceLock = crate::sync::OnceLock::new(); + + *STACK.get_or_init(|| { + let mut stack = unsafe { libc::sysconf(libc::_SC_THREAD_STACK_MIN) }; + if stack < 0 { + stack = 2048; // just a guess + } + + stack as usize + }) } From cbec1288a281f1e09d51162bbd09fbed86c6fd3b Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sun, 26 May 2024 16:35:14 +0200 Subject: [PATCH 0578/1716] fix './miri run --dep --target _' --- src/tools/miri/miri-script/src/commands.rs | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/src/tools/miri/miri-script/src/commands.rs b/src/tools/miri/miri-script/src/commands.rs index be0fdbc177a5..57bdfbad9afb 100644 --- a/src/tools/miri/miri-script/src/commands.rs +++ b/src/tools/miri/miri-script/src/commands.rs @@ -531,7 +531,13 @@ impl Command { }; cmd.set_quiet(!verbose); // Add Miri flags - let cmd = cmd.args(&miri_flags).args(&seed_flag).args(&early_flags).args(&flags); + let mut cmd = cmd.args(&miri_flags).args(&seed_flag).args(&early_flags).args(&flags); + // For `--dep` we also need to set the env var. + if dep { + if let Some(target) = &target { + cmd = cmd.env("MIRI_TEST_TARGET", target); + } + } // And run the thing. Ok(cmd.run()?) }; From 350f5c88dbe97605d9f4e0cac037a0b9751d06ef Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sun, 26 May 2024 16:31:38 +0200 Subject: [PATCH 0579/1716] unix/fs: a bit of cleanup in macos_fbsd_readdir_r --- src/tools/miri/src/shims/unix/fs.rs | 68 ++++++++++++++--------------- 1 file changed, 33 insertions(+), 35 deletions(-) diff --git a/src/tools/miri/src/shims/unix/fs.rs b/src/tools/miri/src/shims/unix/fs.rs index 82bc49536b0c..5b0c1b2bafe7 100644 --- a/src/tools/miri/src/shims/unix/fs.rs +++ b/src/tools/miri/src/shims/unix/fs.rs @@ -990,7 +990,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { // The name is written with write_os_str_to_c_str, while the rest of the // dirent struct is written using write_int_fields. - // For reference: + // For reference, on macOS this looks like: // pub struct dirent { // pub d_ino: u64, // pub d_seekoff: u64, @@ -1025,40 +1025,38 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let file_type = this.file_type_to_d_type(dir_entry.file_type())?; - // macOS offset field is d_seekoff - if this.projectable_has_field(&entry_place, "d_seekoff") { - this.write_int_fields_named( - &[ - ("d_ino", ino.into()), - ("d_seekoff", 0), - ("d_reclen", 0), - ("d_namlen", file_name_len.into()), - ("d_type", file_type.into()), - ], - &entry_place, - )?; - } else if this.projectable_has_field(&entry_place, "d_off") { - // freebsd 12 and onwards had added the d_off field - this.write_int_fields_named( - &[ - ("d_fileno", ino.into()), - ("d_off", 0), - ("d_reclen", 0), - ("d_type", file_type.into()), - ("d_namlen", file_name_len.into()), - ], - &entry_place, - )?; - } else { - this.write_int_fields_named( - &[ - ("d_fileno", ino.into()), - ("d_reclen", 0), - ("d_type", file_type.into()), - ("d_namlen", file_name_len.into()), - ], - &entry_place, - )?; + // Common fields. + this.write_int_fields_named( + &[ + ("d_reclen", 0), + ("d_namlen", file_name_len.into()), + ("d_type", file_type.into()), + ], + &entry_place, + )?; + // Special fields. + match &*this.tcx.sess.target.os { + "macos" => { + #[rustfmt::skip] + this.write_int_fields_named( + &[ + ("d_ino", ino.into()), + ("d_seekoff", 0), + ], + &entry_place, + )?; + } + "freebsd" => { + this.write_int(ino, &this.project_field_named(&entry_place, "d_fileno")?)?; + // `d_off` only exists on FreeBSD 12+, but we support v11 as well. + // `libc` uses a build script to determine which version of the API to use, + // and cross-builds always end up using v11. + // To support both v11 and v12+, we dynamically check whether the field exists. + if this.projectable_has_field(&entry_place, "d_off") { + this.write_int(0, &this.project_field_named(&entry_place, "d_off")?)?; + } + } + _ => unreachable!(), } let result_place = this.deref_pointer(result_op)?; From 2e89443b93c8ebfcd361e5201cc94884db14fee3 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sun, 26 May 2024 19:14:56 +0200 Subject: [PATCH 0580/1716] add a macro to declare thread unblock callbacks --- src/tools/miri/src/concurrency/init_once.rs | 2 +- src/tools/miri/src/concurrency/sync.rs | 301 +++++++++----------- src/tools/miri/src/concurrency/thread.rs | 119 +++++--- src/tools/miri/src/provenance_gc.rs | 12 + src/tools/miri/src/shims/time.rs | 36 +-- src/tools/miri/src/shims/windows/sync.rs | 37 ++- 6 files changed, 257 insertions(+), 250 deletions(-) diff --git a/src/tools/miri/src/concurrency/init_once.rs b/src/tools/miri/src/concurrency/init_once.rs index 1ee84273b58c..3d6cf7ecca67 100644 --- a/src/tools/miri/src/concurrency/init_once.rs +++ b/src/tools/miri/src/concurrency/init_once.rs @@ -75,7 +75,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { fn init_once_enqueue_and_block( &mut self, id: InitOnceId, - callback: impl UnblockCallback<'mir, 'tcx> + 'tcx, + callback: impl UnblockCallback<'tcx> + 'tcx, ) { let this = self.eval_context_mut(); let thread = this.active_thread(); diff --git a/src/tools/miri/src/concurrency/sync.rs b/src/tools/miri/src/concurrency/sync.rs index df10e15fe101..8925409ecc24 100644 --- a/src/tools/miri/src/concurrency/sync.rs +++ b/src/tools/miri/src/concurrency/sync.rs @@ -35,6 +35,10 @@ macro_rules! declare_id { } } + impl $crate::VisitProvenance for $name { + fn visit_provenance(&self, _visit: &mut VisitWith<'_>) {} + } + impl Idx for $name { fn new(idx: usize) -> Self { // We use 0 as a sentinel value (see the comment above) and, @@ -258,6 +262,25 @@ pub(super) trait EvalContextExtPriv<'mir, 'tcx: 'mir>: Ok(new_index) } } + + fn condvar_reacquire_mutex( + &mut self, + mutex: MutexId, + retval: Scalar, + dest: MPlaceTy<'tcx, Provenance>, + ) -> InterpResult<'tcx> { + let this = self.eval_context_mut(); + if this.mutex_is_locked(mutex) { + assert_ne!(this.mutex_get_owner(mutex), this.active_thread()); + this.mutex_enqueue_and_block(mutex, retval, dest); + } else { + // We can have it right now! + this.mutex_lock(mutex); + // Don't forget to write the return value. + this.write_scalar(retval, &dest)?; + } + Ok(()) + } } // Public interface to synchronization primitives. Please note that in most @@ -384,29 +407,23 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { assert!(this.mutex_is_locked(id), "queing on unlocked mutex"); let thread = this.active_thread(); this.machine.sync.mutexes[id].queue.push_back(thread); - this.block_thread(BlockReason::Mutex(id), None, Callback { id, retval, dest }); - - struct Callback<'tcx> { - id: MutexId, - retval: Scalar, - dest: MPlaceTy<'tcx, Provenance>, - } - impl<'tcx> VisitProvenance for Callback<'tcx> { - fn visit_provenance(&self, visit: &mut VisitWith<'_>) { - let Callback { id: _, retval, dest } = self; - retval.visit_provenance(visit); - dest.visit_provenance(visit); - } - } - impl<'mir, 'tcx: 'mir> UnblockCallback<'mir, 'tcx> for Callback<'tcx> { - fn unblock(self: Box, this: &mut MiriInterpCx<'mir, 'tcx>) -> InterpResult<'tcx> { - assert!(!this.mutex_is_locked(self.id)); - this.mutex_lock(self.id); - - this.write_scalar(self.retval, &self.dest)?; - Ok(()) - } - } + this.block_thread( + BlockReason::Mutex(id), + None, + callback!( + @capture<'tcx> { + id: MutexId, + retval: Scalar, + dest: MPlaceTy<'tcx, Provenance>, + } + @unblock = |this| { + assert!(!this.mutex_is_locked(id)); + this.mutex_lock(id); + this.write_scalar(retval, &dest)?; + Ok(()) + } + ), + ); } #[inline] @@ -500,27 +517,22 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let thread = this.active_thread(); assert!(this.rwlock_is_write_locked(id), "read-queueing on not write locked rwlock"); this.machine.sync.rwlocks[id].reader_queue.push_back(thread); - this.block_thread(BlockReason::RwLock(id), None, Callback { id, retval, dest }); - - struct Callback<'tcx> { - id: RwLockId, - retval: Scalar, - dest: MPlaceTy<'tcx, Provenance>, - } - impl<'tcx> VisitProvenance for Callback<'tcx> { - fn visit_provenance(&self, visit: &mut VisitWith<'_>) { - let Callback { id: _, retval, dest } = self; - retval.visit_provenance(visit); - dest.visit_provenance(visit); - } - } - impl<'mir, 'tcx: 'mir> UnblockCallback<'mir, 'tcx> for Callback<'tcx> { - fn unblock(self: Box, this: &mut MiriInterpCx<'mir, 'tcx>) -> InterpResult<'tcx> { - this.rwlock_reader_lock(self.id); - this.write_scalar(self.retval, &self.dest)?; - Ok(()) - } - } + this.block_thread( + BlockReason::RwLock(id), + None, + callback!( + @capture<'tcx> { + id: RwLockId, + retval: Scalar, + dest: MPlaceTy<'tcx, Provenance>, + } + @unblock = |this| { + this.rwlock_reader_lock(id); + this.write_scalar(retval, &dest)?; + Ok(()) + } + ), + ); } /// Lock by setting the writer that owns the lock. @@ -588,27 +600,22 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { assert!(this.rwlock_is_locked(id), "write-queueing on unlocked rwlock"); let thread = this.active_thread(); this.machine.sync.rwlocks[id].writer_queue.push_back(thread); - this.block_thread(BlockReason::RwLock(id), None, Callback { id, retval, dest }); - - struct Callback<'tcx> { - id: RwLockId, - retval: Scalar, - dest: MPlaceTy<'tcx, Provenance>, - } - impl<'tcx> VisitProvenance for Callback<'tcx> { - fn visit_provenance(&self, visit: &mut VisitWith<'_>) { - let Callback { id: _, retval, dest } = self; - retval.visit_provenance(visit); - dest.visit_provenance(visit); - } - } - impl<'mir, 'tcx: 'mir> UnblockCallback<'mir, 'tcx> for Callback<'tcx> { - fn unblock(self: Box, this: &mut MiriInterpCx<'mir, 'tcx>) -> InterpResult<'tcx> { - this.rwlock_writer_lock(self.id); - this.write_scalar(self.retval, &self.dest)?; - Ok(()) - } - } + this.block_thread( + BlockReason::RwLock(id), + None, + callback!( + @capture<'tcx> { + id: RwLockId, + retval: Scalar, + dest: MPlaceTy<'tcx, Provenance>, + } + @unblock = |this| { + this.rwlock_writer_lock(id); + this.write_scalar(retval, &dest)?; + Ok(()) + } + ), + ); } /// Is the conditional variable awaited? @@ -648,71 +655,37 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { this.block_thread( BlockReason::Condvar(condvar), timeout, - Callback { condvar, mutex, retval_succ, retval_timeout, dest }, + callback!( + @capture<'tcx> { + condvar: CondvarId, + mutex: MutexId, + retval_succ: Scalar, + retval_timeout: Scalar, + dest: MPlaceTy<'tcx, Provenance>, + } + @unblock = |this| { + // The condvar was signaled. Make sure we get the clock for that. + if let Some(data_race) = &this.machine.data_race { + data_race.acquire_clock( + &this.machine.sync.condvars[condvar].clock, + &this.machine.threads, + ); + } + // Try to acquire the mutex. + // The timeout only applies to the first wait (until the signal), not for mutex acquisition. + this.condvar_reacquire_mutex(mutex, retval_succ, dest) + } + @timeout = |this| { + // We have to remove the waiter from the queue again. + let thread = this.active_thread(); + let waiters = &mut this.machine.sync.condvars[condvar].waiters; + waiters.retain(|waiter| *waiter != thread); + // Now get back the lock. + this.condvar_reacquire_mutex(mutex, retval_timeout, dest) + } + ), ); return Ok(()); - - struct Callback<'tcx> { - condvar: CondvarId, - mutex: MutexId, - retval_succ: Scalar, - retval_timeout: Scalar, - dest: MPlaceTy<'tcx, Provenance>, - } - impl<'tcx> VisitProvenance for Callback<'tcx> { - fn visit_provenance(&self, visit: &mut VisitWith<'_>) { - let Callback { condvar: _, mutex: _, retval_succ, retval_timeout, dest } = self; - retval_succ.visit_provenance(visit); - retval_timeout.visit_provenance(visit); - dest.visit_provenance(visit); - } - } - impl<'tcx, 'mir> Callback<'tcx> { - #[allow(clippy::boxed_local)] - fn reacquire_mutex( - self: Box, - this: &mut MiriInterpCx<'mir, 'tcx>, - retval: Scalar, - ) -> InterpResult<'tcx> { - if this.mutex_is_locked(self.mutex) { - assert_ne!(this.mutex_get_owner(self.mutex), this.active_thread()); - this.mutex_enqueue_and_block(self.mutex, retval, self.dest); - } else { - // We can have it right now! - this.mutex_lock(self.mutex); - // Don't forget to write the return value. - this.write_scalar(retval, &self.dest)?; - } - Ok(()) - } - } - impl<'mir, 'tcx: 'mir> UnblockCallback<'mir, 'tcx> for Callback<'tcx> { - fn unblock(self: Box, this: &mut MiriInterpCx<'mir, 'tcx>) -> InterpResult<'tcx> { - // The condvar was signaled. Make sure we get the clock for that. - if let Some(data_race) = &this.machine.data_race { - data_race.acquire_clock( - &this.machine.sync.condvars[self.condvar].clock, - &this.machine.threads, - ); - } - // Try to acquire the mutex. - // The timeout only applies to the first wait (until the signal), not for mutex acquisition. - let retval = self.retval_succ; - self.reacquire_mutex(this, retval) - } - fn timeout( - self: Box, - this: &mut InterpCx<'mir, 'tcx, MiriMachine<'mir, 'tcx>>, - ) -> InterpResult<'tcx> { - // We have to remove the waiter from the queue again. - let thread = this.active_thread(); - let waiters = &mut this.machine.sync.condvars[self.condvar].waiters; - waiters.retain(|waiter| *waiter != thread); - // Now get back the lock. - let retval = self.retval_timeout; - self.reacquire_mutex(this, retval) - } - } } /// Wake up some thread (if there is any) sleeping on the conditional @@ -755,50 +728,36 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { this.block_thread( BlockReason::Futex { addr }, timeout, - Callback { addr, retval_succ, retval_timeout, dest, errno_timeout }, - ); - - struct Callback<'tcx> { - addr: u64, - retval_succ: Scalar, - retval_timeout: Scalar, - dest: MPlaceTy<'tcx, Provenance>, - errno_timeout: Scalar, - } - impl<'tcx> VisitProvenance for Callback<'tcx> { - fn visit_provenance(&self, visit: &mut VisitWith<'_>) { - let Callback { addr: _, retval_succ, retval_timeout, dest, errno_timeout } = self; - retval_succ.visit_provenance(visit); - retval_timeout.visit_provenance(visit); - dest.visit_provenance(visit); - errno_timeout.visit_provenance(visit); - } - } - impl<'mir, 'tcx: 'mir> UnblockCallback<'mir, 'tcx> for Callback<'tcx> { - fn unblock(self: Box, this: &mut MiriInterpCx<'mir, 'tcx>) -> InterpResult<'tcx> { - let futex = this.machine.sync.futexes.get(&self.addr).unwrap(); - // Acquire the clock of the futex. - if let Some(data_race) = &this.machine.data_race { - data_race.acquire_clock(&futex.clock, &this.machine.threads); + callback!( + @capture<'tcx> { + addr: u64, + retval_succ: Scalar, + retval_timeout: Scalar, + dest: MPlaceTy<'tcx, Provenance>, + errno_timeout: Scalar, } - // Write the return value. - this.write_scalar(self.retval_succ, &self.dest)?; - Ok(()) - } - fn timeout( - self: Box, - this: &mut InterpCx<'mir, 'tcx, MiriMachine<'mir, 'tcx>>, - ) -> InterpResult<'tcx> { - // Remove the waiter from the futex. - let thread = this.active_thread(); - let futex = this.machine.sync.futexes.get_mut(&self.addr).unwrap(); - futex.waiters.retain(|waiter| waiter.thread != thread); - // Set errno and write return value. - this.set_last_error(self.errno_timeout)?; - this.write_scalar(self.retval_timeout, &self.dest)?; - Ok(()) - } - } + @unblock = |this| { + let futex = this.machine.sync.futexes.get(&addr).unwrap(); + // Acquire the clock of the futex. + if let Some(data_race) = &this.machine.data_race { + data_race.acquire_clock(&futex.clock, &this.machine.threads); + } + // Write the return value. + this.write_scalar(retval_succ, &dest)?; + Ok(()) + } + @timeout = |this| { + // Remove the waiter from the futex. + let thread = this.active_thread(); + let futex = this.machine.sync.futexes.get_mut(&addr).unwrap(); + futex.waiters.retain(|waiter| waiter.thread != thread); + // Set errno and write return value. + this.set_last_error(errno_timeout)?; + this.write_scalar(retval_timeout, &dest)?; + Ok(()) + } + ), + ); } /// Returns whether anything was woken. diff --git a/src/tools/miri/src/concurrency/thread.rs b/src/tools/miri/src/concurrency/thread.rs index d663ff5a3be2..c948383d597d 100644 --- a/src/tools/miri/src/concurrency/thread.rs +++ b/src/tools/miri/src/concurrency/thread.rs @@ -41,22 +41,75 @@ pub enum TlsAllocAction { } /// Trait for callbacks that are executed when a thread gets unblocked. -pub trait UnblockCallback<'mir, 'tcx>: VisitProvenance { - fn unblock( +pub trait UnblockCallback<'tcx>: VisitProvenance { + /// Will be invoked when the thread was unblocked the "regular" way, + /// i.e. whatever event it was blocking on has happened. + fn unblock<'mir>( self: Box, ecx: &mut InterpCx<'mir, 'tcx, MiriMachine<'mir, 'tcx>>, ) -> InterpResult<'tcx>; - fn timeout( + /// Will be invoked when the timeout ellapsed without the event the + /// thread was blocking on having occurred. + fn timeout<'mir>( self: Box, _ecx: &mut InterpCx<'mir, 'tcx, MiriMachine<'mir, 'tcx>>, - ) -> InterpResult<'tcx> { - unreachable!( - "timeout on a thread that was blocked without a timeout (or someone forgot to overwrite this method)" - ) - } + ) -> InterpResult<'tcx>; +} +type DynUnblockCallback<'tcx> = Box + 'tcx>; + +#[macro_export] +macro_rules! callback { + ( + @capture<$tcx:lifetime $(,)? $($lft:lifetime),*> { $($name:ident: $type:ty),* $(,)? } + @unblock = |$this:ident| $unblock:block + ) => { + callback!( + @capture<$tcx, $($lft),*> { $($name: $type),+ } + @unblock = |$this| $unblock + @timeout = |_this| { + unreachable!( + "timeout on a thread that was blocked without a timeout (or someone forgot to overwrite this method)" + ) + } + ) + }; + ( + @capture<$tcx:lifetime $(,)? $($lft:lifetime),*> { $($name:ident: $type:ty),* $(,)? } + @unblock = |$this:ident| $unblock:block + @timeout = |$this_timeout:ident| $timeout:block + ) => {{ + struct Callback<$tcx, $($lft),*> { + $($name: $type,)* + _phantom: std::marker::PhantomData<&$tcx ()>, + } + + impl<$tcx, $($lft),*> VisitProvenance for Callback<$tcx, $($lft),*> { + #[allow(unused_variables)] + fn visit_provenance(&self, visit: &mut VisitWith<'_>) { + $( + self.$name.visit_provenance(visit); + )* + } + } + + impl<$tcx, $($lft),*> UnblockCallback<$tcx> for Callback<$tcx, $($lft),*> { + fn unblock<'mir>(self: Box, $this: &mut MiriInterpCx<'mir, $tcx>) -> InterpResult<$tcx> { + #[allow(unused_variables)] + let Callback { $($name,)* _phantom } = *self; + $unblock + } + + fn timeout<'mir>(self: Box, $this_timeout: &mut MiriInterpCx<'mir, $tcx>) -> InterpResult<$tcx> { + #[allow(unused_variables)] + let Callback { $($name,)* _phantom } = *self; + $timeout + } + } + + Callback { $($name,)* _phantom: std::marker::PhantomData } + }} } -type DynUnblockCallback<'mir, 'tcx> = Box + 'tcx>; /// A thread identifier. #[derive(Clone, Copy, Debug, PartialOrd, Ord, PartialEq, Eq, Hash)] @@ -127,21 +180,17 @@ pub enum BlockReason { } /// The state of a thread. -enum ThreadState<'mir, 'tcx> { +enum ThreadState<'tcx> { /// The thread is enabled and can be executed. Enabled, /// The thread is blocked on something. - Blocked { - reason: BlockReason, - timeout: Option, - callback: DynUnblockCallback<'mir, 'tcx>, - }, + Blocked { reason: BlockReason, timeout: Option, callback: DynUnblockCallback<'tcx> }, /// The thread has terminated its execution. We do not delete terminated /// threads (FIXME: why?). Terminated, } -impl<'mir, 'tcx> std::fmt::Debug for ThreadState<'mir, 'tcx> { +impl<'tcx> std::fmt::Debug for ThreadState<'tcx> { fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { match self { Self::Enabled => write!(f, "Enabled"), @@ -152,7 +201,7 @@ impl<'mir, 'tcx> std::fmt::Debug for ThreadState<'mir, 'tcx> { } } -impl<'mir, 'tcx> ThreadState<'mir, 'tcx> { +impl<'tcx> ThreadState<'tcx> { fn is_enabled(&self) -> bool { matches!(self, ThreadState::Enabled) } @@ -180,7 +229,7 @@ enum ThreadJoinStatus { /// A thread. pub struct Thread<'mir, 'tcx> { - state: ThreadState<'mir, 'tcx>, + state: ThreadState<'tcx>, /// Name of the thread. thread_name: Option>, @@ -582,26 +631,18 @@ impl<'mir, 'tcx: 'mir> ThreadManager<'mir, 'tcx> { self.block_thread( BlockReason::Join(joined_thread_id), None, - Callback { joined_thread_id }, - ); - - struct Callback { - joined_thread_id: ThreadId, - } - impl VisitProvenance for Callback { - fn visit_provenance(&self, _visit: &mut VisitWith<'_>) {} - } - impl<'mir, 'tcx: 'mir> UnblockCallback<'mir, 'tcx> for Callback { - fn unblock( - self: Box, - this: &mut MiriInterpCx<'mir, 'tcx>, - ) -> InterpResult<'tcx> { - if let Some(data_race) = &mut this.machine.data_race { - data_race.thread_joined(&this.machine.threads, self.joined_thread_id); + callback!( + @capture<'tcx> { + joined_thread_id: ThreadId, } - Ok(()) - } - } + @unblock = |this| { + if let Some(data_race) = &mut this.machine.data_race { + data_race.thread_joined(&this.machine.threads, joined_thread_id); + } + Ok(()) + } + ), + ); } else { // The thread has already terminated - establish happens-before if let Some(data_race) = data_race { @@ -656,7 +697,7 @@ impl<'mir, 'tcx: 'mir> ThreadManager<'mir, 'tcx> { &mut self, reason: BlockReason, timeout: Option, - callback: impl UnblockCallback<'mir, 'tcx> + 'tcx, + callback: impl UnblockCallback<'tcx> + 'tcx, ) { let state = &mut self.threads[self.active_thread].state; assert!(state.is_enabled()); @@ -963,7 +1004,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { &mut self, reason: BlockReason, timeout: Option, - callback: impl UnblockCallback<'mir, 'tcx> + 'tcx, + callback: impl UnblockCallback<'tcx> + 'tcx, ) { let this = self.eval_context_mut(); if !this.machine.communicate() && matches!(timeout, Some(Timeout::RealTime(..))) { diff --git a/src/tools/miri/src/provenance_gc.rs b/src/tools/miri/src/provenance_gc.rs index ecd614bf4672..5cc14e25ebdf 100644 --- a/src/tools/miri/src/provenance_gc.rs +++ b/src/tools/miri/src/provenance_gc.rs @@ -10,6 +10,18 @@ pub trait VisitProvenance { fn visit_provenance(&self, visit: &mut VisitWith<'_>); } +// Trivial impls for types that do not contain any provenance +macro_rules! no_provenance { + ($($ty:ident)+) => { + $( + impl VisitProvenance for $ty { + fn visit_provenance(&self, _visit: &mut VisitWith<'_>) {} + } + )+ + } +} +no_provenance!(i8 i16 i32 i64 isize u8 u16 u32 u64 usize ThreadId); + impl VisitProvenance for Option { fn visit_provenance(&self, visit: &mut VisitWith<'_>) { if let Some(x) = self { diff --git a/src/tools/miri/src/shims/time.rs b/src/tools/miri/src/shims/time.rs index a99006f39709..5c43563fac42 100644 --- a/src/tools/miri/src/shims/time.rs +++ b/src/tools/miri/src/shims/time.rs @@ -337,7 +337,15 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { .unwrap_or_else(|| now.checked_add(Duration::from_secs(3600)).unwrap()); let timeout_time = Timeout::Monotonic(timeout_time); - this.block_thread(BlockReason::Sleep, Some(timeout_time), SleepCallback); + this.block_thread( + BlockReason::Sleep, + Some(timeout_time), + callback!( + @capture<'tcx> {} + @unblock = |_this| { panic!("sleeping thread unblocked before time is up") } + @timeout = |_this| { Ok(()) } + ), + ); Ok(0) } @@ -353,23 +361,15 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let timeout_time = this.machine.clock.now().checked_add(duration).unwrap(); let timeout_time = Timeout::Monotonic(timeout_time); - this.block_thread(BlockReason::Sleep, Some(timeout_time), SleepCallback); + this.block_thread( + BlockReason::Sleep, + Some(timeout_time), + callback!( + @capture<'tcx> {} + @unblock = |_this| { panic!("sleeping thread unblocked before time is up") } + @timeout = |_this| { Ok(()) } + ), + ); Ok(()) } } - -struct SleepCallback; -impl VisitProvenance for SleepCallback { - fn visit_provenance(&self, _visit: &mut VisitWith<'_>) {} -} -impl<'mir, 'tcx: 'mir> UnblockCallback<'mir, 'tcx> for SleepCallback { - fn timeout(self: Box, _this: &mut MiriInterpCx<'mir, 'tcx>) -> InterpResult<'tcx> { - Ok(()) - } - fn unblock( - self: Box, - _this: &mut InterpCx<'mir, 'tcx, MiriMachine<'mir, 'tcx>>, - ) -> InterpResult<'tcx> { - panic!("a sleeping thread should only ever be woken up via the timeout") - } -} diff --git a/src/tools/miri/src/shims/windows/sync.rs b/src/tools/miri/src/shims/windows/sync.rs index 1e71fc92400d..e4307c33bb40 100644 --- a/src/tools/miri/src/shims/windows/sync.rs +++ b/src/tools/miri/src/shims/windows/sync.rs @@ -76,28 +76,23 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } // We have to block, and then try again when we are woken up. - this.init_once_enqueue_and_block(id, Callback { id, pending_place, dest: dest.clone() }); + let dest = dest.clone(); + this.init_once_enqueue_and_block( + id, + callback!( + @capture<'tcx> { + id: InitOnceId, + pending_place: MPlaceTy<'tcx, Provenance>, + dest: MPlaceTy<'tcx, Provenance>, + } + @unblock = |this| { + let ret = this.init_once_try_begin(id, &pending_place, &dest)?; + assert!(ret, "we were woken up but init_once_try_begin still failed"); + Ok(()) + } + ), + ); return Ok(()); - - struct Callback<'tcx> { - id: InitOnceId, - pending_place: MPlaceTy<'tcx, Provenance>, - dest: MPlaceTy<'tcx, Provenance>, - } - impl<'tcx> VisitProvenance for Callback<'tcx> { - fn visit_provenance(&self, visit: &mut VisitWith<'_>) { - let Callback { id: _, dest, pending_place } = self; - pending_place.visit_provenance(visit); - dest.visit_provenance(visit); - } - } - impl<'mir, 'tcx> UnblockCallback<'mir, 'tcx> for Callback<'tcx> { - fn unblock(self: Box, this: &mut MiriInterpCx<'mir, 'tcx>) -> InterpResult<'tcx> { - let ret = this.init_once_try_begin(self.id, &self.pending_place, &self.dest)?; - assert!(ret, "we were woken up but init_once_try_begin still failed"); - Ok(()) - } - } } fn InitOnceComplete( From 887c130863126d814fd00fe5eca2235708065add Mon Sep 17 00:00:00 2001 From: David Carlier Date: Fri, 24 May 2024 21:56:00 +0000 Subject: [PATCH 0581/1716] solarish platform add supports for available-parallelism. --- src/tools/miri/ci/ci.sh | 4 +-- .../src/shims/unix/solarish/foreign_items.rs | 30 +++++++++++++++++++ 2 files changed, 32 insertions(+), 2 deletions(-) diff --git a/src/tools/miri/ci/ci.sh b/src/tools/miri/ci/ci.sh index f97a611b3640..67985f9b7d6e 100755 --- a/src/tools/miri/ci/ci.sh +++ b/src/tools/miri/ci/ci.sh @@ -148,8 +148,8 @@ case $HOST_TARGET in UNIX="panic/panic panic/unwind concurrency/simple atomic libc-mem libc-misc libc-random env num_cpus" # the things that are very similar across all Unixes, and hence easily supported there TEST_TARGET=x86_64-unknown-freebsd run_tests_minimal $BASIC $UNIX threadname libc-time fs TEST_TARGET=i686-unknown-freebsd run_tests_minimal $BASIC $UNIX threadname libc-time fs - TEST_TARGET=x86_64-unknown-illumos run_tests_minimal $BASIC $UNIX threadname pthread-sync libc-time - TEST_TARGET=x86_64-pc-solaris run_tests_minimal $BASIC $UNIX threadname pthread-sync libc-time + TEST_TARGET=x86_64-unknown-illumos run_tests_minimal $BASIC $UNIX threadname pthread-sync available-parallelism libc-time + TEST_TARGET=x86_64-pc-solaris run_tests_minimal $BASIC $UNIX threadname pthread-sync available-parallelism libc-time TEST_TARGET=aarch64-linux-android run_tests_minimal $BASIC $UNIX TEST_TARGET=wasm32-wasip2 run_tests_minimal empty_main wasm heap_alloc libc-mem TEST_TARGET=wasm32-unknown-unknown run_tests_minimal empty_main wasm diff --git a/src/tools/miri/src/shims/unix/solarish/foreign_items.rs b/src/tools/miri/src/shims/unix/solarish/foreign_items.rs index c4dfb147ed98..83ccbee49533 100644 --- a/src/tools/miri/src/shims/unix/solarish/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/solarish/foreign_items.rs @@ -69,6 +69,36 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { this.write_null(dest)?; } + "pset_info" => { + let [pset, tpe, cpus, list] = + this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?; + // We do not need to handle the current process cpu mask, available_parallelism + // implementation pass null anyway. We only care for the number of + // cpus. + // https://docs.oracle.com/cd/E88353_01/html/E37841/pset-info-2.html + + let ps_myid = this.eval_libc_i32("PS_MYID"); + let pset = this.read_scalar(pset)?.to_i32()?; + let tpe = this.read_pointer(tpe)?; + let list = this.read_pointer(list)?; + + if ps_myid != pset { + throw_unsup_format!("pset_info is only supported with pset==PS_MYID"); + } + + if !this.ptr_is_null(tpe)? { + throw_unsup_format!("pset_info is only supported with type==NULL"); + } + + if !this.ptr_is_null(list)? { + throw_unsup_format!("pset_info is only supported with list==NULL"); + } + + let cpus = this.deref_pointer(cpus)?; + this.write_scalar(Scalar::from_u32(this.machine.num_cpus), &cpus)?; + this.write_null(dest)?; + } + _ => return Ok(EmulateItemResult::NotSupported), } Ok(EmulateItemResult::NeedsReturn) From d37f456b2a6e58e2ff8f33abd7bf8404ebd46559 Mon Sep 17 00:00:00 2001 From: Scott McMurray Date: Sun, 26 May 2024 13:16:36 -0700 Subject: [PATCH 0582/1716] Avoid a `FieldIdx::from_usize` in InstSimplify --- compiler/rustc_mir_transform/src/dataflow_const_prop.rs | 4 ++-- compiler/rustc_mir_transform/src/instsimplify.rs | 5 ++--- 2 files changed, 4 insertions(+), 5 deletions(-) diff --git a/compiler/rustc_mir_transform/src/dataflow_const_prop.rs b/compiler/rustc_mir_transform/src/dataflow_const_prop.rs index 53a016f01ece..e5bce30398de 100644 --- a/compiler/rustc_mir_transform/src/dataflow_const_prop.rs +++ b/compiler/rustc_mir_transform/src/dataflow_const_prop.rs @@ -142,10 +142,10 @@ impl<'tcx> ValueAnalysis<'tcx> for ConstAnalysis<'_, 'tcx> { _ => return, }; if let Some(variant_target_idx) = variant_target { - for (field_index, operand) in operands.iter().enumerate() { + for (field_index, operand) in operands.iter_enumerated() { if let Some(field) = self.map().apply( variant_target_idx, - TrackElem::Field(FieldIdx::from_usize(field_index)), + TrackElem::Field(field_index), ) { self.assign_operand(state, field, operand); } diff --git a/compiler/rustc_mir_transform/src/instsimplify.rs b/compiler/rustc_mir_transform/src/instsimplify.rs index f1adeab3f884..5e70b300f338 100644 --- a/compiler/rustc_mir_transform/src/instsimplify.rs +++ b/compiler/rustc_mir_transform/src/instsimplify.rs @@ -9,7 +9,6 @@ use rustc_middle::ty::layout::ValidityRequirement; use rustc_middle::ty::{self, GenericArgsRef, ParamEnv, Ty, TyCtxt}; use rustc_span::sym; use rustc_span::symbol::Symbol; -use rustc_target::abi::FieldIdx; use rustc_target::spec::abi::Abi; pub struct InstSimplify; @@ -217,11 +216,11 @@ impl<'tcx> InstSimplifyContext<'tcx, '_> { && let Some(place) = operand.place() { let variant = adt_def.non_enum_variant(); - for (i, field) in variant.fields.iter().enumerate() { + for (i, field) in variant.fields.iter_enumerated() { let field_ty = field.ty(self.tcx, args); if field_ty == *cast_ty { let place = place.project_deeper( - &[ProjectionElem::Field(FieldIdx::from_usize(i), *cast_ty)], + &[ProjectionElem::Field(i, *cast_ty)], self.tcx, ); let operand = if operand.is_move() { From d3974fabfdfb58314d57ab96530b2e47b5eb110e Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sun, 26 May 2024 22:43:58 +0200 Subject: [PATCH 0583/1716] reorder code --- src/tools/miri/src/shims/unix/solarish/foreign_items.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/miri/src/shims/unix/solarish/foreign_items.rs b/src/tools/miri/src/shims/unix/solarish/foreign_items.rs index 83ccbee49533..d852b3537aa2 100644 --- a/src/tools/miri/src/shims/unix/solarish/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/solarish/foreign_items.rs @@ -77,11 +77,11 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { // cpus. // https://docs.oracle.com/cd/E88353_01/html/E37841/pset-info-2.html - let ps_myid = this.eval_libc_i32("PS_MYID"); let pset = this.read_scalar(pset)?.to_i32()?; let tpe = this.read_pointer(tpe)?; let list = this.read_pointer(list)?; + let ps_myid = this.eval_libc_i32("PS_MYID"); if ps_myid != pset { throw_unsup_format!("pset_info is only supported with pset==PS_MYID"); } From 38870cf09c3afcb288bca132f8b51da3b97eb1ca Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sun, 26 May 2024 22:53:45 +0200 Subject: [PATCH 0584/1716] avoid using macro_use --- src/tools/miri/cargo-miri/src/main.rs | 5 ++--- src/tools/miri/cargo-miri/src/util.rs | 5 +++-- src/tools/miri/src/bin/miri.rs | 3 ++- src/tools/miri/src/borrow_tracker/stacked_borrows/stack.rs | 1 + src/tools/miri/src/concurrency/init_once.rs | 2 +- src/tools/miri/src/concurrency/mod.rs | 5 ++--- src/tools/miri/src/concurrency/sync.rs | 1 + src/tools/miri/src/lib.rs | 4 ++-- 8 files changed, 14 insertions(+), 12 deletions(-) diff --git a/src/tools/miri/cargo-miri/src/main.rs b/src/tools/miri/cargo-miri/src/main.rs index 9fdd4c3e4704..7d9f77f3752d 100644 --- a/src/tools/miri/cargo-miri/src/main.rs +++ b/src/tools/miri/cargo-miri/src/main.rs @@ -1,15 +1,14 @@ #![allow(clippy::useless_format, clippy::derive_partial_eq_without_eq, rustc::internal)] -#[macro_use] -mod util; - mod arg; mod phases; mod setup; +mod util; use std::{env, iter}; use crate::phases::*; +use crate::util::show_error; /// Returns `true` if our flags look like they may be for rustdoc, i.e., this is cargo calling us to /// be rustdoc. It's hard to be sure as cargo does not have a RUSTDOC_WRAPPER or an env var that diff --git a/src/tools/miri/cargo-miri/src/util.rs b/src/tools/miri/cargo-miri/src/util.rs index 28a824e54f65..5b6a391aabcd 100644 --- a/src/tools/miri/cargo-miri/src/util.rs +++ b/src/tools/miri/cargo-miri/src/util.rs @@ -11,14 +11,15 @@ use serde::{Deserialize, Serialize}; pub use crate::arg::*; -pub fn show_error(msg: &impl std::fmt::Display) -> ! { +pub fn show_error_(msg: &impl std::fmt::Display) -> ! { eprintln!("fatal error: {msg}"); std::process::exit(1) } macro_rules! show_error { - ($($tt:tt)*) => { crate::util::show_error(&format_args!($($tt)*)) }; + ($($tt:tt)*) => { crate::util::show_error_(&format_args!($($tt)*)) }; } +pub(crate) use show_error; /// The information to run a crate with the given environment. #[derive(Clone, Serialize, Deserialize)] diff --git a/src/tools/miri/src/bin/miri.rs b/src/tools/miri/src/bin/miri.rs index d748febeed4b..829bfa7cd708 100644 --- a/src/tools/miri/src/bin/miri.rs +++ b/src/tools/miri/src/bin/miri.rs @@ -8,7 +8,6 @@ )] // Some "regular" crates we want to share with rustc -#[macro_use] extern crate tracing; // The rustc crates we need @@ -26,6 +25,8 @@ use std::num::NonZero; use std::path::PathBuf; use std::str::FromStr; +use tracing::debug; + use rustc_data_structures::sync::Lrc; use rustc_driver::Compilation; use rustc_hir::{self as hir, Node}; diff --git a/src/tools/miri/src/borrow_tracker/stacked_borrows/stack.rs b/src/tools/miri/src/borrow_tracker/stacked_borrows/stack.rs index 3b6c29b5eb15..f65f49a75ddd 100644 --- a/src/tools/miri/src/borrow_tracker/stacked_borrows/stack.rs +++ b/src/tools/miri/src/borrow_tracker/stacked_borrows/stack.rs @@ -2,6 +2,7 @@ use std::ops::Range; use rustc_data_structures::fx::FxHashSet; +use tracing::trace; use crate::borrow_tracker::{ stacked_borrows::{Item, Permission}, diff --git a/src/tools/miri/src/concurrency/init_once.rs b/src/tools/miri/src/concurrency/init_once.rs index 3d6cf7ecca67..f1534d3745f9 100644 --- a/src/tools/miri/src/concurrency/init_once.rs +++ b/src/tools/miri/src/concurrency/init_once.rs @@ -7,7 +7,7 @@ use super::sync::EvalContextExtPriv as _; use super::vector_clock::VClock; use crate::*; -declare_id!(InitOnceId); +super::sync::declare_id!(InitOnceId); #[derive(Default, Debug, Copy, Clone, PartialEq, Eq)] /// The current status of a one time initialization. diff --git a/src/tools/miri/src/concurrency/mod.rs b/src/tools/miri/src/concurrency/mod.rs index 15e1a94d6db0..822d173ac06a 100644 --- a/src/tools/miri/src/concurrency/mod.rs +++ b/src/tools/miri/src/concurrency/mod.rs @@ -1,8 +1,7 @@ pub mod data_race; -mod range_object_map; -#[macro_use] -pub mod sync; pub mod init_once; +mod range_object_map; +pub mod sync; pub mod thread; mod vector_clock; pub mod weak_memory; diff --git a/src/tools/miri/src/concurrency/sync.rs b/src/tools/miri/src/concurrency/sync.rs index 8925409ecc24..2ea89050ecd9 100644 --- a/src/tools/miri/src/concurrency/sync.rs +++ b/src/tools/miri/src/concurrency/sync.rs @@ -61,6 +61,7 @@ macro_rules! declare_id { } }; } +pub(super) use declare_id; declare_id!(MutexId); diff --git a/src/tools/miri/src/lib.rs b/src/tools/miri/src/lib.rs index 2fa88b6a2461..fa7c46f2a015 100644 --- a/src/tools/miri/src/lib.rs +++ b/src/tools/miri/src/lib.rs @@ -53,7 +53,6 @@ // Some "regular" crates we want to share with rustc extern crate either; -#[macro_use] extern crate tracing; // The rustc crates we need @@ -64,7 +63,6 @@ extern crate rustc_data_structures; extern crate rustc_errors; extern crate rustc_hir; extern crate rustc_index; -#[macro_use] extern crate rustc_middle; extern crate rustc_session; extern crate rustc_span; @@ -91,6 +89,8 @@ mod range_map; mod shims; // Establish a "crate-wide prelude": we often import `crate::*`. +use rustc_middle::{bug, span_bug}; +use tracing::{info, trace}; // Make all those symbols available in the same place as our own. #[doc(no_inline)] From f63931bc1a8cc44e7fd5cea772da87dfac44bedc Mon Sep 17 00:00:00 2001 From: Chris Denton Date: Sun, 26 May 2024 22:00:43 +0000 Subject: [PATCH 0585/1716] Cleanup custom mingw in CI --- .github/workflows/ci.yml | 3 --- src/ci/github-actions/jobs.yml | 4 ---- src/ci/scripts/install-mingw.sh | 17 ++++------------- src/ci/scripts/install-msys2.sh | 27 --------------------------- 4 files changed, 4 insertions(+), 47 deletions(-) delete mode 100755 src/ci/scripts/install-msys2.sh diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml index 0551d44649cd..3f9936dc5b23 100644 --- a/.github/workflows/ci.yml +++ b/.github/workflows/ci.yml @@ -155,9 +155,6 @@ jobs: - name: checkout submodules run: src/ci/scripts/checkout-submodules.sh - - name: install MSYS2 - run: src/ci/scripts/install-msys2.sh - - name: install MinGW run: src/ci/scripts/install-mingw.sh diff --git a/src/ci/github-actions/jobs.yml b/src/ci/github-actions/jobs.yml index 05470eebf014..ca86f3f0110e 100644 --- a/src/ci/github-actions/jobs.yml +++ b/src/ci/github-actions/jobs.yml @@ -378,7 +378,6 @@ auto: # We are intentionally allowing an old toolchain on this builder (and that's # incompatible with LLVM downloads today). NO_DOWNLOAD_CI_LLVM: 1 - CUSTOM_MINGW: 1 <<: *job-windows-8c - image: x86_64-mingw @@ -390,7 +389,6 @@ auto: # We are intentionally allowing an old toolchain on this builder (and that's # incompatible with LLVM downloads today). NO_DOWNLOAD_CI_LLVM: 1 - CUSTOM_MINGW: 1 <<: *job-windows-8c - image: dist-x86_64-msvc @@ -439,7 +437,6 @@ auto: # incompatible with LLVM downloads today). NO_DOWNLOAD_CI_LLVM: 1 SCRIPT: python x.py dist bootstrap --include-default-paths - CUSTOM_MINGW: 1 DIST_REQUIRE_ALL_TOOLS: 1 <<: *job-windows-8c @@ -453,7 +450,6 @@ auto: # We are intentionally allowing an old toolchain on this builder (and that's # incompatible with LLVM downloads today). NO_DOWNLOAD_CI_LLVM: 1 - CUSTOM_MINGW: 1 DIST_REQUIRE_ALL_TOOLS: 1 <<: *job-windows-8c diff --git a/src/ci/scripts/install-mingw.sh b/src/ci/scripts/install-mingw.sh index 45541b8b6934..38af8b6acebb 100755 --- a/src/ci/scripts/install-mingw.sh +++ b/src/ci/scripts/install-mingw.sh @@ -1,8 +1,6 @@ #!/bin/bash # If we need to download a custom MinGW, do so here and set the path # appropriately. -# -# Otherwise install MinGW through `pacman` set -euo pipefail IFS=$'\n\t' @@ -16,19 +14,16 @@ if isWindows && isKnownToBeMingwBuild; then case "${CI_JOB_NAME}" in *i686*) bits=32 - arch=i686 mingw_archive="${MINGW_ARCHIVE_32}" ;; *x86_64*) bits=64 - arch=x86_64 mingw_archive="${MINGW_ARCHIVE_64}" ;; *aarch64*) # aarch64 is a cross-compiled target. Use the x86_64 # mingw, since that's the host architecture. bits=64 - arch=x86_64 mingw_archive="${MINGW_ARCHIVE_64}" ;; *) @@ -38,13 +33,9 @@ if isWindows && isKnownToBeMingwBuild; then ;; esac - if [[ "${CUSTOM_MINGW:-0}" == 0 ]]; then - pacman -S --noconfirm --needed mingw-w64-$arch-toolchain - else - mingw_dir="mingw${bits}" + mingw_dir="mingw${bits}" - curl -o mingw.7z "${MIRRORS_BASE}/${mingw_archive}" - 7z x -y mingw.7z > /dev/null - ciCommandAddPath "$(pwd)/${mingw_dir}/bin" - fi + curl -o mingw.7z "${MIRRORS_BASE}/${mingw_archive}" + 7z x -y mingw.7z > /dev/null + ciCommandAddPath "$(pwd)/${mingw_dir}/bin" fi diff --git a/src/ci/scripts/install-msys2.sh b/src/ci/scripts/install-msys2.sh deleted file mode 100755 index 968b1e572e43..000000000000 --- a/src/ci/scripts/install-msys2.sh +++ /dev/null @@ -1,27 +0,0 @@ -#!/bin/bash -# Clean up and prepare the MSYS2 installation. -# MSYS2 is used by the MinGW toolchain for assembling things. - -set -euo pipefail -IFS=$'\n\t' - -source "$(cd "$(dirname "$0")" && pwd)/../shared.sh" -if isWindows; then - # Detect the native Python version installed on the agent. On GitHub - # Actions, the C:\hostedtoolcache\windows\Python directory contains a - # subdirectory for each installed Python version. - # - # The -V flag of the sort command sorts the input by version number. - native_python_version="$(ls /c/hostedtoolcache/windows/Python | sort -Vr | head -n 1)" - - # Make sure we use the native python interpreter instead of some msys equivalent - # one way or another. The msys interpreters seem to have weird path conversions - # baked in which break LLVM's build system one way or another, so let's use the - # native version which keeps everything as native as possible. - python_home="/c/hostedtoolcache/windows/Python/${native_python_version}/x64" - if ! [[ -f "${python_home}/python3.exe" ]]; then - cp "${python_home}/python.exe" "${python_home}/python3.exe" - fi - ciCommandAddPath "C:\\hostedtoolcache\\windows\\Python\\${native_python_version}\\x64" - ciCommandAddPath "C:\\hostedtoolcache\\windows\\Python\\${native_python_version}\\x64\\Scripts" -fi From 19cfe8d9e6989c4ea49be203757cd086e0ab015c Mon Sep 17 00:00:00 2001 From: Chris Denton Date: Sun, 26 May 2024 22:01:26 +0000 Subject: [PATCH 0586/1716] Add "Setup Python" action to github-hosted runners --- .github/workflows/ci.yml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml index 3f9936dc5b23..c9d6c56076a9 100644 --- a/.github/workflows/ci.yml +++ b/.github/workflows/ci.yml @@ -154,6 +154,12 @@ jobs: - name: checkout submodules run: src/ci/scripts/checkout-submodules.sh + + - name: Setup Python + uses: actions/setup-python@v5 + with: + python-version: '3.x' + if: runner.environment == 'github-hosted' - name: install MinGW run: src/ci/scripts/install-mingw.sh From bbcdb4fd3e4df3554e6d406a2f2e9e47114521f6 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sun, 26 May 2024 20:03:47 -0400 Subject: [PATCH 0587/1716] Give EarlyBinder a tcx parameter We are gonna need it to uplift EarlyBinder --- .../src/check/compare_impl_item.rs | 2 +- compiler/rustc_hir_analysis/src/collect.rs | 2 +- .../src/collect/item_bounds.rs | 12 +-- .../rustc_hir_analysis/src/collect/type_of.rs | 4 +- .../src/outlives/explicit.rs | 4 +- .../src/outlives/implicit_infer.rs | 6 +- compiler/rustc_lint/src/non_local_def.rs | 2 +- compiler/rustc_metadata/src/rmeta/decoder.rs | 4 +- compiler/rustc_metadata/src/rmeta/mod.rs | 10 +-- compiler/rustc_middle/src/arena.rs | 2 +- compiler/rustc_middle/src/hir/mod.rs | 2 +- compiler/rustc_middle/src/mir/consts.rs | 5 +- compiler/rustc_middle/src/mir/mod.rs | 2 +- compiler/rustc_middle/src/query/erase.rs | 16 ++-- compiler/rustc_middle/src/query/mod.rs | 26 +++--- .../rustc_middle/src/query/on_disk_cache.rs | 2 +- .../rustc_middle/src/ty/abstract_const.rs | 3 +- compiler/rustc_middle/src/ty/adt.rs | 2 +- compiler/rustc_middle/src/ty/consts.rs | 5 +- compiler/rustc_middle/src/ty/context.rs | 4 +- compiler/rustc_middle/src/ty/generic_args.rs | 80 +++++++++++-------- compiler/rustc_middle/src/ty/generics.rs | 2 +- compiler/rustc_middle/src/ty/instance.rs | 6 +- compiler/rustc_middle/src/ty/mod.rs | 2 +- .../src/ty/normalize_erasing_regions.rs | 4 +- compiler/rustc_middle/src/ty/parameterized.rs | 4 +- compiler/rustc_middle/src/ty/sty.rs | 2 +- compiler/rustc_middle/src/ty/util.rs | 4 +- compiler/rustc_middle/src/values.rs | 6 +- .../rustc_smir/src/rustc_smir/convert/ty.rs | 2 +- .../src/traits/project.rs | 2 +- compiler/rustc_ty_utils/src/consts.rs | 6 +- compiler/rustc_ty_utils/src/ty.rs | 4 +- 33 files changed, 129 insertions(+), 110 deletions(-) diff --git a/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs b/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs index 44bf8fd2d93e..119f5da725a3 100644 --- a/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs +++ b/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs @@ -449,7 +449,7 @@ impl<'tcx> TypeFolder> for RemapLateBound<'_, 'tcx> { pub(super) fn collect_return_position_impl_trait_in_trait_tys<'tcx>( tcx: TyCtxt<'tcx>, impl_m_def_id: LocalDefId, -) -> Result<&'tcx DefIdMap>>, ErrorGuaranteed> { +) -> Result<&'tcx DefIdMap>>, ErrorGuaranteed> { let impl_m = tcx.opt_associated_item(impl_m_def_id.to_def_id()).unwrap(); let trait_m = tcx.opt_associated_item(impl_m.trait_item_def_id.unwrap()).unwrap(); let impl_trait_ref = diff --git a/compiler/rustc_hir_analysis/src/collect.rs b/compiler/rustc_hir_analysis/src/collect.rs index b760b86a7bfb..a3797669af0e 100644 --- a/compiler/rustc_hir_analysis/src/collect.rs +++ b/compiler/rustc_hir_analysis/src/collect.rs @@ -1278,7 +1278,7 @@ fn trait_def(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::TraitDef { } #[instrument(level = "debug", skip(tcx))] -fn fn_sig(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::EarlyBinder> { +fn fn_sig(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::EarlyBinder<'_, ty::PolyFnSig<'_>> { use rustc_hir::Node::*; use rustc_hir::*; diff --git a/compiler/rustc_hir_analysis/src/collect/item_bounds.rs b/compiler/rustc_hir_analysis/src/collect/item_bounds.rs index dd1d209389dc..50c93e9f1d7e 100644 --- a/compiler/rustc_hir_analysis/src/collect/item_bounds.rs +++ b/compiler/rustc_hir_analysis/src/collect/item_bounds.rs @@ -82,14 +82,14 @@ fn opaque_type_bounds<'tcx>( pub(super) fn explicit_item_bounds( tcx: TyCtxt<'_>, def_id: LocalDefId, -) -> ty::EarlyBinder<&'_ [(ty::Clause<'_>, Span)]> { +) -> ty::EarlyBinder<'_, &'_ [(ty::Clause<'_>, Span)]> { explicit_item_bounds_with_filter(tcx, def_id, PredicateFilter::All) } pub(super) fn explicit_item_super_predicates( tcx: TyCtxt<'_>, def_id: LocalDefId, -) -> ty::EarlyBinder<&'_ [(ty::Clause<'_>, Span)]> { +) -> ty::EarlyBinder<'_, &'_ [(ty::Clause<'_>, Span)]> { explicit_item_bounds_with_filter(tcx, def_id, PredicateFilter::SelfOnly) } @@ -97,7 +97,7 @@ pub(super) fn explicit_item_bounds_with_filter( tcx: TyCtxt<'_>, def_id: LocalDefId, filter: PredicateFilter, -) -> ty::EarlyBinder<&'_ [(ty::Clause<'_>, Span)]> { +) -> ty::EarlyBinder<'_, &'_ [(ty::Clause<'_>, Span)]> { match tcx.opt_rpitit_info(def_id.to_def_id()) { // RPITIT's bounds are the same as opaque type bounds, but with // a projection self type. @@ -166,7 +166,7 @@ pub(super) fn explicit_item_bounds_with_filter( ty::EarlyBinder::bind(bounds) } -pub(super) fn item_bounds(tcx: TyCtxt<'_>, def_id: DefId) -> ty::EarlyBinder> { +pub(super) fn item_bounds(tcx: TyCtxt<'_>, def_id: DefId) -> ty::EarlyBinder<'_, ty::Clauses<'_>> { tcx.explicit_item_bounds(def_id).map_bound(|bounds| { tcx.mk_clauses_from_iter(util::elaborate(tcx, bounds.iter().map(|&(bound, _span)| bound))) }) @@ -175,7 +175,7 @@ pub(super) fn item_bounds(tcx: TyCtxt<'_>, def_id: DefId) -> ty::EarlyBinder, def_id: DefId, -) -> ty::EarlyBinder> { +) -> ty::EarlyBinder<'_, ty::Clauses<'_>> { tcx.explicit_item_super_predicates(def_id).map_bound(|bounds| { tcx.mk_clauses_from_iter( util::elaborate(tcx, bounds.iter().map(|&(bound, _span)| bound)).filter_only_self(), @@ -186,7 +186,7 @@ pub(super) fn item_super_predicates( pub(super) fn item_non_self_assumptions( tcx: TyCtxt<'_>, def_id: DefId, -) -> ty::EarlyBinder> { +) -> ty::EarlyBinder<'_, ty::Clauses<'_>> { let all_bounds: FxIndexSet<_> = tcx.item_bounds(def_id).skip_binder().iter().collect(); let own_bounds: FxIndexSet<_> = tcx.item_super_predicates(def_id).skip_binder().iter().collect(); diff --git a/compiler/rustc_hir_analysis/src/collect/type_of.rs b/compiler/rustc_hir_analysis/src/collect/type_of.rs index 1475e53c47c2..ed942cc50bb4 100644 --- a/compiler/rustc_hir_analysis/src/collect/type_of.rs +++ b/compiler/rustc_hir_analysis/src/collect/type_of.rs @@ -309,7 +309,7 @@ fn get_path_containing_arg_in_pat<'hir>( arg_path } -pub(super) fn type_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::EarlyBinder> { +pub(super) fn type_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::EarlyBinder<'_, Ty<'_>> { use rustc_hir::*; use rustc_middle::ty::Ty; @@ -512,7 +512,7 @@ pub(super) fn type_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::EarlyBinder, def_id: DefId, -) -> Result>, CyclePlaceholder> { +) -> Result>, CyclePlaceholder> { if let Some(def_id) = def_id.as_local() { use rustc_hir::*; diff --git a/compiler/rustc_hir_analysis/src/outlives/explicit.rs b/compiler/rustc_hir_analysis/src/outlives/explicit.rs index 1de7a0f7bc73..bbfadbb5c308 100644 --- a/compiler/rustc_hir_analysis/src/outlives/explicit.rs +++ b/compiler/rustc_hir_analysis/src/outlives/explicit.rs @@ -6,7 +6,7 @@ use super::utils::*; #[derive(Debug)] pub struct ExplicitPredicatesMap<'tcx> { - map: FxIndexMap>>, + map: FxIndexMap>>, } impl<'tcx> ExplicitPredicatesMap<'tcx> { @@ -18,7 +18,7 @@ impl<'tcx> ExplicitPredicatesMap<'tcx> { &mut self, tcx: TyCtxt<'tcx>, def_id: DefId, - ) -> &ty::EarlyBinder> { + ) -> &ty::EarlyBinder<'tcx, RequiredPredicates<'tcx>> { self.map.entry(def_id).or_insert_with(|| { let predicates = if def_id.is_local() { tcx.explicit_predicates_of(def_id) diff --git a/compiler/rustc_hir_analysis/src/outlives/implicit_infer.rs b/compiler/rustc_hir_analysis/src/outlives/implicit_infer.rs index e6c582667ba5..af08f50f6559 100644 --- a/compiler/rustc_hir_analysis/src/outlives/implicit_infer.rs +++ b/compiler/rustc_hir_analysis/src/outlives/implicit_infer.rs @@ -15,7 +15,7 @@ use super::utils::*; /// now be filled with inferred predicates. pub(super) fn infer_predicates( tcx: TyCtxt<'_>, -) -> FxIndexMap>> { +) -> FxIndexMap>> { debug!("infer_predicates"); let mut explicit_map = ExplicitPredicatesMap::new(); @@ -101,7 +101,7 @@ fn insert_required_predicates_to_be_wf<'tcx>( tcx: TyCtxt<'tcx>, ty: Ty<'tcx>, span: Span, - global_inferred_outlives: &FxIndexMap>>, + global_inferred_outlives: &FxIndexMap>>, required_predicates: &mut RequiredPredicates<'tcx>, explicit_map: &mut ExplicitPredicatesMap<'tcx>, ) { @@ -322,7 +322,7 @@ fn check_inferred_predicates<'tcx>( tcx: TyCtxt<'tcx>, def_id: DefId, args: ty::GenericArgsRef<'tcx>, - global_inferred_outlives: &FxIndexMap>>, + global_inferred_outlives: &FxIndexMap>>, required_predicates: &mut RequiredPredicates<'tcx>, ) { // Load the current set of inferred and explicit predicates from `global_inferred_outlives` diff --git a/compiler/rustc_lint/src/non_local_def.rs b/compiler/rustc_lint/src/non_local_def.rs index b3e93748a166..87ee5f536280 100644 --- a/compiler/rustc_lint/src/non_local_def.rs +++ b/compiler/rustc_lint/src/non_local_def.rs @@ -270,7 +270,7 @@ fn impl_trait_ref_has_enough_non_local_candidates<'tcx>( tcx: TyCtxt<'tcx>, infer_span: Span, trait_def_id: DefId, - binder: EarlyBinder>, + binder: EarlyBinder<'tcx, TraitRef<'tcx>>, mut did_has_local_parent: impl FnMut(DefId) -> bool, ) -> bool { let infcx = tcx diff --git a/compiler/rustc_metadata/src/rmeta/decoder.rs b/compiler/rustc_metadata/src/rmeta/decoder.rs index 695525e755de..19bb943e6bcc 100644 --- a/compiler/rustc_metadata/src/rmeta/decoder.rs +++ b/compiler/rustc_metadata/src/rmeta/decoder.rs @@ -1074,7 +1074,7 @@ impl<'a, 'tcx> CrateMetadataRef<'a> { self, index: DefIndex, tcx: TyCtxt<'tcx>, - ) -> ty::EarlyBinder<&'tcx [(ty::Clause<'tcx>, Span)]> { + ) -> ty::EarlyBinder<'tcx, &'tcx [(ty::Clause<'tcx>, Span)]> { let lazy = self.root.tables.explicit_item_bounds.get(self, index); let output = if lazy.is_default() { &mut [] @@ -1088,7 +1088,7 @@ impl<'a, 'tcx> CrateMetadataRef<'a> { self, index: DefIndex, tcx: TyCtxt<'tcx>, - ) -> ty::EarlyBinder<&'tcx [(ty::Clause<'tcx>, Span)]> { + ) -> ty::EarlyBinder<'tcx, &'tcx [(ty::Clause<'tcx>, Span)]> { let lazy = self.root.tables.explicit_item_super_predicates.get(self, index); let output = if lazy.is_default() { &mut [] diff --git a/compiler/rustc_metadata/src/rmeta/mod.rs b/compiler/rustc_metadata/src/rmeta/mod.rs index 825034cf96a9..c2cf5b6b7125 100644 --- a/compiler/rustc_metadata/src/rmeta/mod.rs +++ b/compiler/rustc_metadata/src/rmeta/mod.rs @@ -418,19 +418,19 @@ define_tables! { // As an optimization, we only store this for trait aliases, // since it's identical to super_predicates_of for traits. implied_predicates_of: Table>>, - type_of: Table>>>, + type_of: Table>>>, variances_of: Table>, - fn_sig: Table>>>, + fn_sig: Table>>>, codegen_fn_attrs: Table>, impl_trait_header: Table>>, - const_param_default: Table>>>, + const_param_default: Table>>>, object_lifetime_default: Table>, optimized_mir: Table>>, mir_for_ctfe: Table>>, closure_saved_names_of_captured_variables: Table>>, mir_coroutine_witnesses: Table>>, promoted_mir: Table>>>, - thir_abstract_const: Table>>>, + thir_abstract_const: Table>>>, impl_parent: Table, constness: Table, defaultness: Table, @@ -459,7 +459,7 @@ define_tables! { macro_definition: Table>, proc_macro: Table, deduced_param_attrs: Table>, - trait_impl_trait_tys: Table>>>>, + trait_impl_trait_tys: Table>>>>, doc_link_resolutions: Table>, doc_link_traits_in_scope: Table>, assumed_wf_types_for_rpitit: Table, Span)>>, diff --git a/compiler/rustc_middle/src/arena.rs b/compiler/rustc_middle/src/arena.rs index b0e72eaf5a4c..bf6ab8000645 100644 --- a/compiler/rustc_middle/src/arena.rs +++ b/compiler/rustc_middle/src/arena.rs @@ -108,7 +108,7 @@ macro_rules! arena_types { [decode] trait_impl_trait_tys: rustc_data_structures::unord::UnordMap< rustc_hir::def_id::DefId, - rustc_middle::ty::EarlyBinder> + rustc_middle::ty::EarlyBinder<'tcx, rustc_middle::ty::Ty<'tcx>> >, [] external_constraints: rustc_middle::traits::solve::ExternalConstraintsData<'tcx>, [] predefined_opaques_in_body: rustc_middle::traits::solve::PredefinedOpaquesData<'tcx>, diff --git a/compiler/rustc_middle/src/hir/mod.rs b/compiler/rustc_middle/src/hir/mod.rs index 34748afa863d..d39422b2b04d 100644 --- a/compiler/rustc_middle/src/hir/mod.rs +++ b/compiler/rustc_middle/src/hir/mod.rs @@ -121,7 +121,7 @@ impl<'tcx> TyCtxt<'tcx> { LocalModDefId::new_unchecked(id) } - pub fn impl_subject(self, def_id: DefId) -> EarlyBinder> { + pub fn impl_subject(self, def_id: DefId) -> EarlyBinder<'tcx, ImplSubject<'tcx>> { match self.impl_trait_ref(def_id) { Some(t) => t.map_bound(ImplSubject::Trait), None => self.type_of(def_id).map_bound(ImplSubject::Inherent), diff --git a/compiler/rustc_middle/src/mir/consts.rs b/compiler/rustc_middle/src/mir/consts.rs index d025dc360a24..e107c2c12bd6 100644 --- a/compiler/rustc_middle/src/mir/consts.rs +++ b/compiler/rustc_middle/src/mir/consts.rs @@ -220,7 +220,10 @@ pub enum Const<'tcx> { } impl<'tcx> Const<'tcx> { - pub fn identity_unevaluated(tcx: TyCtxt<'tcx>, def_id: DefId) -> ty::EarlyBinder> { + pub fn identity_unevaluated( + tcx: TyCtxt<'tcx>, + def_id: DefId, + ) -> ty::EarlyBinder<'tcx, Const<'tcx>> { ty::EarlyBinder::bind(Const::Unevaluated( UnevaluatedConst { def: def_id, diff --git a/compiler/rustc_middle/src/mir/mod.rs b/compiler/rustc_middle/src/mir/mod.rs index 2b2b9392a709..02e5174a715d 100644 --- a/compiler/rustc_middle/src/mir/mod.rs +++ b/compiler/rustc_middle/src/mir/mod.rs @@ -624,7 +624,7 @@ impl<'tcx> Body<'tcx> { /// Returns the return type; it always return first element from `local_decls` array. #[inline] - pub fn bound_return_ty(&self) -> ty::EarlyBinder> { + pub fn bound_return_ty(&self) -> ty::EarlyBinder<'tcx, Ty<'tcx>> { ty::EarlyBinder::bind(self.local_decls[RETURN_PLACE].ty) } diff --git a/compiler/rustc_middle/src/query/erase.rs b/compiler/rustc_middle/src/query/erase.rs index 320d49ea6467..1e36f034cc22 100644 --- a/compiler/rustc_middle/src/query/erase.rs +++ b/compiler/rustc_middle/src/query/erase.rs @@ -114,9 +114,11 @@ impl EraseType for Result { type Result = [u8; size_of::>()]; } -impl EraseType for Result>>, rustc_errors::ErrorGuaranteed> { +impl EraseType + for Result>>, rustc_errors::ErrorGuaranteed> +{ type Result = [u8; size_of::< - Result>>, rustc_errors::ErrorGuaranteed>, + Result>>, rustc_errors::ErrorGuaranteed>, >()]; } @@ -165,8 +167,8 @@ impl EraseType for Result<&'_ ty::List>, ty::util::AlwaysRequiresDrop> { [u8; size_of::>, ty::util::AlwaysRequiresDrop>>()]; } -impl EraseType for Result>, CyclePlaceholder> { - type Result = [u8; size_of::>, CyclePlaceholder>>()]; +impl EraseType for Result>, CyclePlaceholder> { + type Result = [u8; size_of::>, CyclePlaceholder>>()]; } impl EraseType for Option<&'_ T> { @@ -185,15 +187,15 @@ impl EraseType for Option> { type Result = [u8; size_of::>>()]; } -impl EraseType for Option>> { - type Result = [u8; size_of::>>>()]; +impl EraseType for Option>> { + type Result = [u8; size_of::>>>()]; } impl EraseType for rustc_hir::MaybeOwner<'_> { type Result = [u8; size_of::>()]; } -impl EraseType for ty::EarlyBinder { +impl EraseType for ty::EarlyBinder<'_, T> { type Result = T::Result; } diff --git a/compiler/rustc_middle/src/query/mod.rs b/compiler/rustc_middle/src/query/mod.rs index 8ca7a465c2a8..6ad4b7c40fb2 100644 --- a/compiler/rustc_middle/src/query/mod.rs +++ b/compiler/rustc_middle/src/query/mod.rs @@ -209,7 +209,7 @@ rustc_queries! { /// Given the def_id of a const-generic parameter, computes the associated default const /// parameter. e.g. `fn example` called on `N` would return `3`. - query const_param_default(param: DefId) -> ty::EarlyBinder> { + query const_param_default(param: DefId) -> ty::EarlyBinder<'tcx, ty::Const<'tcx>> { desc { |tcx| "computing const default for a given parameter `{}`", tcx.def_path_str(param) } cache_on_disk_if { param.is_local() } separate_provide_extern @@ -219,7 +219,7 @@ rustc_queries! { /// to an alias, it will "skip" this alias to return the aliased type. /// /// [`DefId`]: rustc_hir::def_id::DefId - query type_of(key: DefId) -> ty::EarlyBinder> { + query type_of(key: DefId) -> ty::EarlyBinder<'tcx, Ty<'tcx>> { desc { |tcx| "{action} `{path}`", action = { @@ -240,7 +240,7 @@ rustc_queries! { /// Specialized instance of `type_of` that detects cycles that are due to /// revealing opaque because of an auto trait bound. Unless `CyclePlaceholder` needs /// to be handled separately, call `type_of` instead. - query type_of_opaque(key: DefId) -> Result>, CyclePlaceholder> { + query type_of_opaque(key: DefId) -> Result>, CyclePlaceholder> { desc { |tcx| "computing type of opaque `{path}`", path = tcx.def_path_str(key), @@ -257,7 +257,7 @@ rustc_queries! { } query collect_return_position_impl_trait_in_trait_tys(key: DefId) - -> Result<&'tcx DefIdMap>>, ErrorGuaranteed> + -> Result<&'tcx DefIdMap>>, ErrorGuaranteed> { desc { "comparing an impl and trait method signature, inferring any hidden `impl Trait` types in the process" } cache_on_disk_if { key.is_local() } @@ -363,7 +363,7 @@ rustc_queries! { /// `key` is the `DefId` of the associated type or opaque type. /// /// Bounds from the parent (e.g. with nested impl trait) are not included. - query explicit_item_bounds(key: DefId) -> ty::EarlyBinder<&'tcx [(ty::Clause<'tcx>, Span)]> { + query explicit_item_bounds(key: DefId) -> ty::EarlyBinder<'tcx, &'tcx [(ty::Clause<'tcx>, Span)]> { desc { |tcx| "finding item bounds for `{}`", tcx.def_path_str(key) } cache_on_disk_if { key.is_local() } separate_provide_extern @@ -373,7 +373,7 @@ rustc_queries! { /// share the `Self` type of the item. These are a subset of the bounds /// that may explicitly be used for things like closure signature /// deduction. - query explicit_item_super_predicates(key: DefId) -> ty::EarlyBinder<&'tcx [(ty::Clause<'tcx>, Span)]> { + query explicit_item_super_predicates(key: DefId) -> ty::EarlyBinder<'tcx, &'tcx [(ty::Clause<'tcx>, Span)]> { desc { |tcx| "finding item bounds for `{}`", tcx.def_path_str(key) } cache_on_disk_if { key.is_local() } separate_provide_extern @@ -399,15 +399,15 @@ rustc_queries! { /// ``` /// /// Bounds from the parent (e.g. with nested impl trait) are not included. - query item_bounds(key: DefId) -> ty::EarlyBinder> { + query item_bounds(key: DefId) -> ty::EarlyBinder<'tcx, ty::Clauses<'tcx>> { desc { |tcx| "elaborating item bounds for `{}`", tcx.def_path_str(key) } } - query item_super_predicates(key: DefId) -> ty::EarlyBinder> { + query item_super_predicates(key: DefId) -> ty::EarlyBinder<'tcx, ty::Clauses<'tcx>> { desc { |tcx| "elaborating item assumptions for `{}`", tcx.def_path_str(key) } } - query item_non_self_assumptions(key: DefId) -> ty::EarlyBinder> { + query item_non_self_assumptions(key: DefId) -> ty::EarlyBinder<'tcx, ty::Clauses<'tcx>> { desc { |tcx| "elaborating item assumptions for `{}`", tcx.def_path_str(key) } } @@ -504,7 +504,7 @@ rustc_queries! { /// Try to build an abstract representation of the given constant. query thir_abstract_const( key: DefId - ) -> Result>>, ErrorGuaranteed> { + ) -> Result>>, ErrorGuaranteed> { desc { |tcx| "building an abstract representation for `{}`", tcx.def_path_str(key), } @@ -704,7 +704,7 @@ rustc_queries! { separate_provide_extern } - query adt_sized_constraint(key: DefId) -> Option>> { + query adt_sized_constraint(key: DefId) -> Option>> { desc { |tcx| "computing the `Sized` constraint for `{}`", tcx.def_path_str(key) } } @@ -849,7 +849,7 @@ rustc_queries! { query self_ty_of_trait_impl_enabling_order_dep_trait_object_hack( key: DefId - ) -> Option>> { + ) -> Option>> { desc { |tcx| "computing self type wrt issue #33140 `{}`", tcx.def_path_str(key) } } @@ -888,7 +888,7 @@ rustc_queries! { } /// Computes the signature of the function. - query fn_sig(key: DefId) -> ty::EarlyBinder> { + query fn_sig(key: DefId) -> ty::EarlyBinder<'tcx, ty::PolyFnSig<'tcx>> { desc { |tcx| "computing function signature of `{}`", tcx.def_path_str(key) } cache_on_disk_if { key.is_local() } separate_provide_extern diff --git a/compiler/rustc_middle/src/query/on_disk_cache.rs b/compiler/rustc_middle/src/query/on_disk_cache.rs index 941911c22309..ccd0c7cb10c4 100644 --- a/compiler/rustc_middle/src/query/on_disk_cache.rs +++ b/compiler/rustc_middle/src/query/on_disk_cache.rs @@ -752,7 +752,7 @@ impl<'a, 'tcx> Decodable> for &'tcx UnordSet } impl<'a, 'tcx> Decodable> - for &'tcx UnordMap>> + for &'tcx UnordMap>> { #[inline] fn decode(d: &mut CacheDecoder<'a, 'tcx>) -> Self { diff --git a/compiler/rustc_middle/src/ty/abstract_const.rs b/compiler/rustc_middle/src/ty/abstract_const.rs index dc46b470b6f4..7fb5e9aadae7 100644 --- a/compiler/rustc_middle/src/ty/abstract_const.rs +++ b/compiler/rustc_middle/src/ty/abstract_const.rs @@ -30,7 +30,8 @@ impl From for NotConstEvaluatable { TrivialTypeTraversalImpls! { NotConstEvaluatable } -pub type BoundAbstractConst<'tcx> = Result>>, ErrorGuaranteed>; +pub type BoundAbstractConst<'tcx> = + Result>>, ErrorGuaranteed>; impl<'tcx> TyCtxt<'tcx> { pub fn expand_abstract_consts>>(self, ac: T) -> T { diff --git a/compiler/rustc_middle/src/ty/adt.rs b/compiler/rustc_middle/src/ty/adt.rs index 48193754077d..8e946bc8b314 100644 --- a/compiler/rustc_middle/src/ty/adt.rs +++ b/compiler/rustc_middle/src/ty/adt.rs @@ -579,7 +579,7 @@ impl<'tcx> AdtDef<'tcx> { /// Returns a type such that `Self: Sized` if and only if that type is `Sized`, /// or `None` if the type is always sized. - pub fn sized_constraint(self, tcx: TyCtxt<'tcx>) -> Option>> { + pub fn sized_constraint(self, tcx: TyCtxt<'tcx>) -> Option>> { if self.is_struct() { tcx.adt_sized_constraint(self.did()) } else { None } } } diff --git a/compiler/rustc_middle/src/ty/consts.rs b/compiler/rustc_middle/src/ty/consts.rs index 40a0dbeb2c22..3bf0fc444326 100644 --- a/compiler/rustc_middle/src/ty/consts.rs +++ b/compiler/rustc_middle/src/ty/consts.rs @@ -486,7 +486,10 @@ impl<'tcx> Const<'tcx> { } } -pub fn const_param_default(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::EarlyBinder> { +pub fn const_param_default<'tcx>( + tcx: TyCtxt<'tcx>, + def_id: LocalDefId, +) -> ty::EarlyBinder<'tcx, Const<'tcx>> { let default_def_id = match tcx.hir_node_by_def_id(def_id) { hir::Node::GenericParam(hir::GenericParam { kind: hir::GenericParamKind::Const { default: Some(ac), .. }, diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index d138cd9ceb9d..40871dd4adaf 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -681,7 +681,7 @@ impl<'tcx> TyCtxt<'tcx> { /// In order to break cycles involving `AnonConst`, we need to set the expected type by side /// effect. However, we do not want this as a general capability, so this interface restricts /// to the only allowed case. - pub fn feed_anon_const_type(self, key: LocalDefId, value: ty::EarlyBinder>) { + pub fn feed_anon_const_type(self, key: LocalDefId, value: ty::EarlyBinder<'tcx, Ty<'tcx>>) { debug_assert_eq!(self.def_kind(key), DefKind::AnonConst); TyCtxtFeed { tcx: self, key }.type_of(value) } @@ -2746,7 +2746,7 @@ impl<'tcx> TyCtxt<'tcx> { pub fn impl_trait_ref( self, def_id: impl IntoQueryParam, - ) -> Option>> { + ) -> Option>> { Some(self.impl_trait_header(def_id)?.trait_ref) } diff --git a/compiler/rustc_middle/src/ty/generic_args.rs b/compiler/rustc_middle/src/ty/generic_args.rs index c7b15c64b086..6628eb247d65 100644 --- a/compiler/rustc_middle/src/ty/generic_args.rs +++ b/compiler/rustc_middle/src/ty/generic_args.rs @@ -584,48 +584,49 @@ impl<'tcx, T: TypeVisitable>> TypeVisitable> for &'tcx /// [`instantiate_identity`](EarlyBinder::instantiate_identity) or [`skip_binder`](EarlyBinder::skip_binder). #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)] #[derive(Encodable, Decodable, HashStable)] -pub struct EarlyBinder { +pub struct EarlyBinder<'tcx, T> { value: T, + _tcx: PhantomData<&'tcx ()>, } /// For early binders, you should first call `instantiate` before using any visitors. -impl<'tcx, T> !TypeFoldable> for ty::EarlyBinder {} -impl<'tcx, T> !TypeVisitable> for ty::EarlyBinder {} +impl<'tcx, T> !TypeFoldable> for ty::EarlyBinder<'tcx, T> {} +impl<'tcx, T> !TypeVisitable> for ty::EarlyBinder<'tcx, T> {} -impl EarlyBinder { - pub fn bind(value: T) -> EarlyBinder { - EarlyBinder { value } +impl<'tcx, T> EarlyBinder<'tcx, T> { + pub fn bind(value: T) -> EarlyBinder<'tcx, T> { + EarlyBinder { value, _tcx: PhantomData } } - pub fn as_ref(&self) -> EarlyBinder<&T> { - EarlyBinder { value: &self.value } + pub fn as_ref(&self) -> EarlyBinder<'tcx, &T> { + EarlyBinder { value: &self.value, _tcx: PhantomData } } - pub fn map_bound_ref(&self, f: F) -> EarlyBinder + pub fn map_bound_ref(&self, f: F) -> EarlyBinder<'tcx, U> where F: FnOnce(&T) -> U, { self.as_ref().map_bound(f) } - pub fn map_bound(self, f: F) -> EarlyBinder + pub fn map_bound(self, f: F) -> EarlyBinder<'tcx, U> where F: FnOnce(T) -> U, { let value = f(self.value); - EarlyBinder { value } + EarlyBinder { value, _tcx: PhantomData } } - pub fn try_map_bound(self, f: F) -> Result, E> + pub fn try_map_bound(self, f: F) -> Result, E> where F: FnOnce(T) -> Result, { let value = f(self.value)?; - Ok(EarlyBinder { value }) + Ok(EarlyBinder { value, _tcx: PhantomData }) } - pub fn rebind(&self, value: U) -> EarlyBinder { - EarlyBinder { value } + pub fn rebind(&self, value: U) -> EarlyBinder<'tcx, U> { + EarlyBinder { value, _tcx: PhantomData } } /// Skips the binder and returns the "bound" value. @@ -634,7 +635,7 @@ impl EarlyBinder { /// arguments of an `FnSig`). Otherwise, consider using /// [`instantiate_identity`](EarlyBinder::instantiate_identity). /// - /// To skip the binder on `x: &EarlyBinder` to obtain `&T`, leverage + /// To skip the binder on `x: &EarlyBinder<'tcx, T>` to obtain `&T`, leverage /// [`EarlyBinder::as_ref`](EarlyBinder::as_ref): `x.as_ref().skip_binder()`. /// /// See also [`Binder::skip_binder`](super::Binder::skip_binder), which is @@ -644,13 +645,13 @@ impl EarlyBinder { } } -impl EarlyBinder> { - pub fn transpose(self) -> Option> { - self.value.map(|value| EarlyBinder { value }) +impl<'tcx, T> EarlyBinder<'tcx, Option> { + pub fn transpose(self) -> Option> { + self.value.map(|value| EarlyBinder { value, _tcx: PhantomData }) } } -impl<'tcx, 's, I: IntoIterator> EarlyBinder +impl<'tcx, 's, I: IntoIterator> EarlyBinder<'tcx, I> where I::Item: TypeFoldable>, { @@ -682,7 +683,10 @@ where type Item = I::Item; fn next(&mut self) -> Option { - Some(EarlyBinder { value: self.it.next()? }.instantiate(self.tcx, self.args)) + Some( + EarlyBinder { value: self.it.next()?, _tcx: PhantomData } + .instantiate(self.tcx, self.args), + ) } fn size_hint(&self) -> (usize, Option) { @@ -696,7 +700,10 @@ where I::Item: TypeFoldable>, { fn next_back(&mut self) -> Option { - Some(EarlyBinder { value: self.it.next_back()? }.instantiate(self.tcx, self.args)) + Some( + EarlyBinder { value: self.it.next_back()?, _tcx: PhantomData } + .instantiate(self.tcx, self.args), + ) } } @@ -707,7 +714,7 @@ where { } -impl<'tcx, 's, I: IntoIterator> EarlyBinder +impl<'tcx, 's, I: IntoIterator> EarlyBinder<'tcx, I> where I::Item: Deref, ::Target: Copy + TypeFoldable>, @@ -743,7 +750,9 @@ where type Item = ::Target; fn next(&mut self) -> Option { - self.it.next().map(|value| EarlyBinder { value: *value }.instantiate(self.tcx, self.args)) + self.it.next().map(|value| { + EarlyBinder { value: *value, _tcx: PhantomData }.instantiate(self.tcx, self.args) + }) } fn size_hint(&self) -> (usize, Option) { @@ -758,9 +767,9 @@ where ::Target: Copy + TypeFoldable>, { fn next_back(&mut self) -> Option { - self.it - .next_back() - .map(|value| EarlyBinder { value: *value }.instantiate(self.tcx, self.args)) + self.it.next_back().map(|value| { + EarlyBinder { value: *value, _tcx: PhantomData }.instantiate(self.tcx, self.args) + }) } } @@ -772,21 +781,22 @@ where { } -pub struct EarlyBinderIter { +pub struct EarlyBinderIter<'tcx, T> { t: T, + _tcx: PhantomData<&'tcx ()>, } -impl EarlyBinder { - pub fn transpose_iter(self) -> EarlyBinderIter { - EarlyBinderIter { t: self.value.into_iter() } +impl<'tcx, T: IntoIterator> EarlyBinder<'tcx, T> { + pub fn transpose_iter(self) -> EarlyBinderIter<'tcx, T::IntoIter> { + EarlyBinderIter { t: self.value.into_iter(), _tcx: PhantomData } } } -impl Iterator for EarlyBinderIter { - type Item = EarlyBinder; +impl<'tcx, T: Iterator> Iterator for EarlyBinderIter<'tcx, T> { + type Item = EarlyBinder<'tcx, T::Item>; fn next(&mut self) -> Option { - self.t.next().map(|value| EarlyBinder { value }) + self.t.next().map(|value| EarlyBinder { value, _tcx: PhantomData }) } fn size_hint(&self) -> (usize, Option) { @@ -794,7 +804,7 @@ impl Iterator for EarlyBinderIter { } } -impl<'tcx, T: TypeFoldable>> ty::EarlyBinder { +impl<'tcx, T: TypeFoldable>> ty::EarlyBinder<'tcx, T> { pub fn instantiate(self, tcx: TyCtxt<'tcx>, args: &[GenericArg<'tcx>]) -> T { let mut folder = ArgFolder { tcx, args, binders_passed: 0 }; self.value.fold_with(&mut folder) diff --git a/compiler/rustc_middle/src/ty/generics.rs b/compiler/rustc_middle/src/ty/generics.rs index 1c4462fc1dcb..7cb1a6f72737 100644 --- a/compiler/rustc_middle/src/ty/generics.rs +++ b/compiler/rustc_middle/src/ty/generics.rs @@ -88,7 +88,7 @@ impl GenericParamDef { pub fn default_value<'tcx>( &self, tcx: TyCtxt<'tcx>, - ) -> Option>> { + ) -> Option>> { match self.kind { GenericParamDefKind::Type { has_default, .. } if has_default => { Some(tcx.type_of(self.def_id).map_bound(|t| t.into())) diff --git a/compiler/rustc_middle/src/ty/instance.rs b/compiler/rustc_middle/src/ty/instance.rs index 7da7f69a9543..a887047f62f2 100644 --- a/compiler/rustc_middle/src/ty/instance.rs +++ b/compiler/rustc_middle/src/ty/instance.rs @@ -764,7 +764,7 @@ impl<'tcx> Instance<'tcx> { self.def.has_polymorphic_mir_body().then_some(self.args) } - pub fn instantiate_mir(&self, tcx: TyCtxt<'tcx>, v: EarlyBinder<&T>) -> T + pub fn instantiate_mir(&self, tcx: TyCtxt<'tcx>, v: EarlyBinder<'tcx, &T>) -> T where T: TypeFoldable> + Copy, { @@ -782,7 +782,7 @@ impl<'tcx> Instance<'tcx> { &self, tcx: TyCtxt<'tcx>, param_env: ty::ParamEnv<'tcx>, - v: EarlyBinder, + v: EarlyBinder<'tcx, T>, ) -> T where T: TypeFoldable>, @@ -800,7 +800,7 @@ impl<'tcx> Instance<'tcx> { &self, tcx: TyCtxt<'tcx>, param_env: ty::ParamEnv<'tcx>, - v: EarlyBinder, + v: EarlyBinder<'tcx, T>, ) -> Result> where T: TypeFoldable>, diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs index 79cfeb71d47e..70cd833aea88 100644 --- a/compiler/rustc_middle/src/ty/mod.rs +++ b/compiler/rustc_middle/src/ty/mod.rs @@ -266,7 +266,7 @@ pub struct ImplHeader<'tcx> { #[derive(Copy, Clone, Debug, TyEncodable, TyDecodable, HashStable)] pub struct ImplTraitHeader<'tcx> { - pub trait_ref: ty::EarlyBinder>, + pub trait_ref: ty::EarlyBinder<'tcx, ty::TraitRef<'tcx>>, pub polarity: ImplPolarity, pub safety: hir::Safety, } diff --git a/compiler/rustc_middle/src/ty/normalize_erasing_regions.rs b/compiler/rustc_middle/src/ty/normalize_erasing_regions.rs index e2cfabfdafaa..fb16cf5bd363 100644 --- a/compiler/rustc_middle/src/ty/normalize_erasing_regions.rs +++ b/compiler/rustc_middle/src/ty/normalize_erasing_regions.rs @@ -125,7 +125,7 @@ impl<'tcx> TyCtxt<'tcx> { self, param_args: GenericArgsRef<'tcx>, param_env: ty::ParamEnv<'tcx>, - value: EarlyBinder, + value: EarlyBinder<'tcx, T>, ) -> T where T: TypeFoldable>, @@ -143,7 +143,7 @@ impl<'tcx> TyCtxt<'tcx> { self, param_args: GenericArgsRef<'tcx>, param_env: ty::ParamEnv<'tcx>, - value: EarlyBinder, + value: EarlyBinder<'tcx, T>, ) -> Result> where T: TypeFoldable>, diff --git a/compiler/rustc_middle/src/ty/parameterized.rs b/compiler/rustc_middle/src/ty/parameterized.rs index 571c6e918dcb..f394b3c990ce 100644 --- a/compiler/rustc_middle/src/ty/parameterized.rs +++ b/compiler/rustc_middle/src/ty/parameterized.rs @@ -33,8 +33,8 @@ impl ParameterizedOverTcx for ty::Binder<'static, T> { type Value<'tcx> = ty::Binder<'tcx, T::Value<'tcx>>; } -impl ParameterizedOverTcx for ty::EarlyBinder { - type Value<'tcx> = ty::EarlyBinder>; +impl ParameterizedOverTcx for ty::EarlyBinder<'static, T> { + type Value<'tcx> = ty::EarlyBinder<'tcx, T::Value<'tcx>>; } #[macro_export] diff --git a/compiler/rustc_middle/src/ty/sty.rs b/compiler/rustc_middle/src/ty/sty.rs index 40f3db89df56..41b5e6d4dcc4 100644 --- a/compiler/rustc_middle/src/ty/sty.rs +++ b/compiler/rustc_middle/src/ty/sty.rs @@ -2055,7 +2055,7 @@ impl<'tcx> Ty<'tcx> { fn async_destructor_combinator( tcx: TyCtxt<'tcx>, lang_item: LangItem, - ) -> ty::EarlyBinder> { + ) -> ty::EarlyBinder<'tcx, Ty<'tcx>> { tcx.fn_sig(tcx.require_lang_item(lang_item, None)) .map_bound(|fn_sig| fn_sig.output().no_bound_vars().unwrap()) } diff --git a/compiler/rustc_middle/src/ty/util.rs b/compiler/rustc_middle/src/ty/util.rs index 5a3d90221ebd..cacaa859d526 100644 --- a/compiler/rustc_middle/src/ty/util.rs +++ b/compiler/rustc_middle/src/ty/util.rs @@ -694,7 +694,7 @@ impl<'tcx> TyCtxt<'tcx> { pub fn coroutine_hidden_types( self, def_id: DefId, - ) -> impl Iterator>> { + ) -> impl Iterator>> { let coroutine_layout = self.mir_coroutine_witnesses(def_id); coroutine_layout .as_ref() @@ -709,7 +709,7 @@ impl<'tcx> TyCtxt<'tcx> { pub fn bound_coroutine_hidden_types( self, def_id: DefId, - ) -> impl Iterator>>> { + ) -> impl Iterator>>> { let coroutine_layout = self.mir_coroutine_witnesses(def_id); coroutine_layout .as_ref() diff --git a/compiler/rustc_middle/src/values.rs b/compiler/rustc_middle/src/values.rs index 79f36cfe5695..4ae475d35d14 100644 --- a/compiler/rustc_middle/src/values.rs +++ b/compiler/rustc_middle/src/values.rs @@ -23,7 +23,7 @@ impl<'tcx> Value> for Ty<'_> { } } -impl<'tcx> Value> for Result>, CyclePlaceholder> { +impl<'tcx> Value> for Result>, CyclePlaceholder> { fn from_cycle_error(_tcx: TyCtxt<'tcx>, _: &CycleError, guar: ErrorGuaranteed) -> Self { Err(CyclePlaceholder(guar)) } @@ -111,7 +111,7 @@ impl<'tcx> Value> for Representability { } } -impl<'tcx> Value> for ty::EarlyBinder> { +impl<'tcx> Value> for ty::EarlyBinder<'_, Ty<'_>> { fn from_cycle_error( tcx: TyCtxt<'tcx>, cycle_error: &CycleError, @@ -121,7 +121,7 @@ impl<'tcx> Value> for ty::EarlyBinder> { } } -impl<'tcx> Value> for ty::EarlyBinder>> { +impl<'tcx> Value> for ty::EarlyBinder<'_, ty::Binder<'_, ty::FnSig<'_>>> { fn from_cycle_error( tcx: TyCtxt<'tcx>, cycle_error: &CycleError, diff --git a/compiler/rustc_smir/src/rustc_smir/convert/ty.rs b/compiler/rustc_smir/src/rustc_smir/convert/ty.rs index be20924670c3..572dbe3bb821 100644 --- a/compiler/rustc_smir/src/rustc_smir/convert/ty.rs +++ b/compiler/rustc_smir/src/rustc_smir/convert/ty.rs @@ -194,7 +194,7 @@ where } } -impl<'tcx, S, V> Stable<'tcx> for ty::EarlyBinder +impl<'tcx, S, V> Stable<'tcx> for ty::EarlyBinder<'tcx, S> where S: Stable<'tcx, T = V>, { diff --git a/compiler/rustc_trait_selection/src/traits/project.rs b/compiler/rustc_trait_selection/src/traits/project.rs index 77ac4be35ea1..87c8b1cda504 100644 --- a/compiler/rustc_trait_selection/src/traits/project.rs +++ b/compiler/rustc_trait_selection/src/traits/project.rs @@ -2097,7 +2097,7 @@ fn confirm_impl_candidate<'cx, 'tcx>( let args = translate_args(selcx.infcx, param_env, impl_def_id, args, assoc_ty.defining_node); let ty = tcx.type_of(assoc_ty.item.def_id); let is_const = matches!(tcx.def_kind(assoc_ty.item.def_id), DefKind::AssocConst); - let term: ty::EarlyBinder> = if is_const { + let term: ty::EarlyBinder<'tcx, ty::Term<'tcx>> = if is_const { let did = assoc_ty.item.def_id; let identity_args = crate::traits::GenericArgs::identity_for_item(tcx, did); let uv = ty::UnevaluatedConst::new(did, identity_args); diff --git a/compiler/rustc_ty_utils/src/consts.rs b/compiler/rustc_ty_utils/src/consts.rs index 67ffb8a58b5a..58447f6d6a31 100644 --- a/compiler/rustc_ty_utils/src/consts.rs +++ b/compiler/rustc_ty_utils/src/consts.rs @@ -398,10 +398,10 @@ impl<'a, 'tcx> visit::Visitor<'a, 'tcx> for IsThirPolymorphic<'a, 'tcx> { } /// Builds an abstract const, do not use this directly, but use `AbstractConst::new` instead. -fn thir_abstract_const( - tcx: TyCtxt<'_>, +fn thir_abstract_const<'tcx>( + tcx: TyCtxt<'tcx>, def: LocalDefId, -) -> Result>>, ErrorGuaranteed> { +) -> Result>>, ErrorGuaranteed> { if !tcx.features().generic_const_exprs { return Ok(None); } diff --git a/compiler/rustc_ty_utils/src/ty.rs b/compiler/rustc_ty_utils/src/ty.rs index 617e8a543656..38950c97c9d5 100644 --- a/compiler/rustc_ty_utils/src/ty.rs +++ b/compiler/rustc_ty_utils/src/ty.rs @@ -77,7 +77,7 @@ fn defaultness(tcx: TyCtxt<'_>, def_id: LocalDefId) -> hir::Defaultness { fn adt_sized_constraint<'tcx>( tcx: TyCtxt<'tcx>, def_id: DefId, -) -> Option>> { +) -> Option>> { if let Some(def_id) = def_id.as_local() { if let ty::Representability::Infinite(_) = tcx.representability(def_id) { return None; @@ -253,7 +253,7 @@ fn param_env_reveal_all_normalized(tcx: TyCtxt<'_>, def_id: DefId) -> ty::ParamE fn self_ty_of_trait_impl_enabling_order_dep_trait_object_hack( tcx: TyCtxt<'_>, def_id: DefId, -) -> Option>> { +) -> Option>> { let impl_ = tcx.impl_trait_header(def_id).unwrap_or_else(|| bug!("called on inherent impl {def_id:?}")); From 993553ceb8e11210381e2baffd3fce63244dcf6d Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sun, 26 May 2024 20:45:37 -0400 Subject: [PATCH 0588/1716] Uplift EarlyBinder --- Cargo.lock | 1 + compiler/rustc_middle/src/ty/consts.rs | 9 + compiler/rustc_middle/src/ty/fold.rs | 104 +--- compiler/rustc_middle/src/ty/generic_args.rs | 506 +----------------- compiler/rustc_middle/src/ty/mod.rs | 6 +- compiler/rustc_middle/src/ty/region.rs | 14 + compiler/rustc_middle/src/ty/sty.rs | 17 + compiler/rustc_type_ir/Cargo.toml | 1 + compiler/rustc_type_ir/src/binder.rs | 519 ++++++++++++++++++- compiler/rustc_type_ir/src/fold.rs | 96 +++- compiler/rustc_type_ir/src/inherent.rs | 11 + compiler/rustc_type_ir/src/interner.rs | 6 +- compiler/rustc_type_ir/src/lib.rs | 2 +- 13 files changed, 679 insertions(+), 613 deletions(-) diff --git a/Cargo.lock b/Cargo.lock index 92e6a22b4b91..5e8d179e5365 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -4686,6 +4686,7 @@ dependencies = [ "rustc_span", "rustc_type_ir_macros", "smallvec", + "tracing", ] [[package]] diff --git a/compiler/rustc_middle/src/ty/consts.rs b/compiler/rustc_middle/src/ty/consts.rs index 3bf0fc444326..6416bbbe889c 100644 --- a/compiler/rustc_middle/src/ty/consts.rs +++ b/compiler/rustc_middle/src/ty/consts.rs @@ -184,6 +184,15 @@ impl<'tcx> rustc_type_ir::inherent::Const> for Const<'tcx> { Const::new_var(tcx, vid, ty) } + fn new_bound( + interner: TyCtxt<'tcx>, + debruijn: ty::DebruijnIndex, + var: ty::BoundVar, + ty: Ty<'tcx>, + ) -> Self { + Const::new_bound(interner, debruijn, var, ty) + } + fn new_anon_bound( tcx: TyCtxt<'tcx>, debruijn: ty::DebruijnIndex, diff --git a/compiler/rustc_middle/src/ty/fold.rs b/compiler/rustc_middle/src/ty/fold.rs index d432aeada2c8..b5b36cbd1ba1 100644 --- a/compiler/rustc_middle/src/ty/fold.rs +++ b/compiler/rustc_middle/src/ty/fold.rs @@ -3,7 +3,9 @@ use rustc_data_structures::fx::FxIndexMap; use rustc_hir::def_id::DefId; use tracing::{debug, instrument}; -pub use rustc_type_ir::fold::{FallibleTypeFolder, TypeFoldable, TypeFolder, TypeSuperFoldable}; +pub use rustc_type_ir::fold::{ + shift_region, shift_vars, FallibleTypeFolder, TypeFoldable, TypeFolder, TypeSuperFoldable, +}; /////////////////////////////////////////////////////////////////////////// // Some sample folders @@ -412,103 +414,3 @@ impl<'tcx> TyCtxt<'tcx> { Binder::bind_with_vars(inner, bound_vars) } } - -/////////////////////////////////////////////////////////////////////////// -// Shifter -// -// Shifts the De Bruijn indices on all escaping bound vars by a -// fixed amount. Useful in instantiation or when otherwise introducing -// a binding level that is not intended to capture the existing bound -// vars. See comment on `shift_vars_through_binders` method in -// `rustc_middle/src/ty/generic_args.rs` for more details. - -struct Shifter<'tcx> { - tcx: TyCtxt<'tcx>, - current_index: ty::DebruijnIndex, - amount: u32, -} - -impl<'tcx> Shifter<'tcx> { - pub fn new(tcx: TyCtxt<'tcx>, amount: u32) -> Self { - Shifter { tcx, current_index: ty::INNERMOST, amount } - } -} - -impl<'tcx> TypeFolder> for Shifter<'tcx> { - fn interner(&self) -> TyCtxt<'tcx> { - self.tcx - } - - fn fold_binder>>( - &mut self, - t: ty::Binder<'tcx, T>, - ) -> ty::Binder<'tcx, T> { - self.current_index.shift_in(1); - let t = t.super_fold_with(self); - self.current_index.shift_out(1); - t - } - - fn fold_region(&mut self, r: ty::Region<'tcx>) -> ty::Region<'tcx> { - match *r { - ty::ReBound(debruijn, br) if debruijn >= self.current_index => { - let debruijn = debruijn.shifted_in(self.amount); - ty::Region::new_bound(self.tcx, debruijn, br) - } - _ => r, - } - } - - fn fold_ty(&mut self, ty: Ty<'tcx>) -> Ty<'tcx> { - match *ty.kind() { - ty::Bound(debruijn, bound_ty) if debruijn >= self.current_index => { - let debruijn = debruijn.shifted_in(self.amount); - Ty::new_bound(self.tcx, debruijn, bound_ty) - } - - _ if ty.has_vars_bound_at_or_above(self.current_index) => ty.super_fold_with(self), - _ => ty, - } - } - - fn fold_const(&mut self, ct: ty::Const<'tcx>) -> ty::Const<'tcx> { - if let ty::ConstKind::Bound(debruijn, bound_ct) = ct.kind() - && debruijn >= self.current_index - { - let debruijn = debruijn.shifted_in(self.amount); - ty::Const::new_bound(self.tcx, debruijn, bound_ct, ct.ty()) - } else { - ct.super_fold_with(self) - } - } - - fn fold_predicate(&mut self, p: ty::Predicate<'tcx>) -> ty::Predicate<'tcx> { - if p.has_vars_bound_at_or_above(self.current_index) { p.super_fold_with(self) } else { p } - } -} - -pub fn shift_region<'tcx>( - tcx: TyCtxt<'tcx>, - region: ty::Region<'tcx>, - amount: u32, -) -> ty::Region<'tcx> { - match *region { - ty::ReBound(debruijn, br) if amount > 0 => { - ty::Region::new_bound(tcx, debruijn.shifted_in(amount), br) - } - _ => region, - } -} - -pub fn shift_vars<'tcx, T>(tcx: TyCtxt<'tcx>, value: T, amount: u32) -> T -where - T: TypeFoldable>, -{ - debug!("shift_vars(value={:?}, amount={})", value, amount); - - if amount == 0 || !value.has_escaping_bound_vars() { - return value; - } - - value.fold_with(&mut Shifter::new(tcx, amount)) -} diff --git a/compiler/rustc_middle/src/ty/generic_args.rs b/compiler/rustc_middle/src/ty/generic_args.rs index 6628eb247d65..7a516b9f2c80 100644 --- a/compiler/rustc_middle/src/ty/generic_args.rs +++ b/compiler/rustc_middle/src/ty/generic_args.rs @@ -1,10 +1,10 @@ // Generic arguments. use crate::ty::codec::{TyDecoder, TyEncoder}; -use crate::ty::fold::{FallibleTypeFolder, TypeFoldable, TypeFolder, TypeSuperFoldable}; +use crate::ty::fold::{FallibleTypeFolder, TypeFoldable}; use crate::ty::sty::{ClosureArgs, CoroutineArgs, CoroutineClosureArgs, InlineConstArgs}; -use crate::ty::visit::{TypeVisitable, TypeVisitableExt, TypeVisitor}; -use crate::ty::{self, Lift, List, ParamConst, Ty, TyCtxt}; +use crate::ty::visit::{TypeVisitable, TypeVisitor}; +use crate::ty::{self, Lift, List, Ty, TyCtxt}; use rustc_ast_ir::visit::VisitorResult; use rustc_ast_ir::walk_visitable_list; @@ -12,19 +12,15 @@ use rustc_data_structures::intern::Interned; use rustc_errors::{DiagArgValue, IntoDiagArg}; use rustc_hir::def_id::DefId; use rustc_macros::extension; -use rustc_macros::{ - Decodable, Encodable, HashStable, TyDecodable, TyEncodable, TypeFoldable, TypeVisitable, -}; +use rustc_macros::{HashStable, TyDecodable, TyEncodable, TypeFoldable, TypeVisitable}; use rustc_serialize::{Decodable, Encodable}; use rustc_type_ir::WithCachedTypeInfo; use smallvec::SmallVec; -use tracing::debug; use core::intrinsics; use std::marker::PhantomData; use std::mem; use std::num::NonZero; -use std::ops::Deref; use std::ptr::NonNull; pub type GenericArgKind<'tcx> = rustc_type_ir::GenericArgKind>; @@ -576,500 +572,6 @@ impl<'tcx, T: TypeVisitable>> TypeVisitable> for &'tcx } } -/// Similar to [`super::Binder`] except that it tracks early bound generics, i.e. `struct Foo(T)` -/// needs `T` instantiated immediately. This type primarily exists to avoid forgetting to call -/// `instantiate`. -/// -/// If you don't have anything to `instantiate`, you may be looking for -/// [`instantiate_identity`](EarlyBinder::instantiate_identity) or [`skip_binder`](EarlyBinder::skip_binder). -#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)] -#[derive(Encodable, Decodable, HashStable)] -pub struct EarlyBinder<'tcx, T> { - value: T, - _tcx: PhantomData<&'tcx ()>, -} - -/// For early binders, you should first call `instantiate` before using any visitors. -impl<'tcx, T> !TypeFoldable> for ty::EarlyBinder<'tcx, T> {} -impl<'tcx, T> !TypeVisitable> for ty::EarlyBinder<'tcx, T> {} - -impl<'tcx, T> EarlyBinder<'tcx, T> { - pub fn bind(value: T) -> EarlyBinder<'tcx, T> { - EarlyBinder { value, _tcx: PhantomData } - } - - pub fn as_ref(&self) -> EarlyBinder<'tcx, &T> { - EarlyBinder { value: &self.value, _tcx: PhantomData } - } - - pub fn map_bound_ref(&self, f: F) -> EarlyBinder<'tcx, U> - where - F: FnOnce(&T) -> U, - { - self.as_ref().map_bound(f) - } - - pub fn map_bound(self, f: F) -> EarlyBinder<'tcx, U> - where - F: FnOnce(T) -> U, - { - let value = f(self.value); - EarlyBinder { value, _tcx: PhantomData } - } - - pub fn try_map_bound(self, f: F) -> Result, E> - where - F: FnOnce(T) -> Result, - { - let value = f(self.value)?; - Ok(EarlyBinder { value, _tcx: PhantomData }) - } - - pub fn rebind(&self, value: U) -> EarlyBinder<'tcx, U> { - EarlyBinder { value, _tcx: PhantomData } - } - - /// Skips the binder and returns the "bound" value. - /// This can be used to extract data that does not depend on generic parameters - /// (e.g., getting the `DefId` of the inner value or getting the number of - /// arguments of an `FnSig`). Otherwise, consider using - /// [`instantiate_identity`](EarlyBinder::instantiate_identity). - /// - /// To skip the binder on `x: &EarlyBinder<'tcx, T>` to obtain `&T`, leverage - /// [`EarlyBinder::as_ref`](EarlyBinder::as_ref): `x.as_ref().skip_binder()`. - /// - /// See also [`Binder::skip_binder`](super::Binder::skip_binder), which is - /// the analogous operation on [`super::Binder`]. - pub fn skip_binder(self) -> T { - self.value - } -} - -impl<'tcx, T> EarlyBinder<'tcx, Option> { - pub fn transpose(self) -> Option> { - self.value.map(|value| EarlyBinder { value, _tcx: PhantomData }) - } -} - -impl<'tcx, 's, I: IntoIterator> EarlyBinder<'tcx, I> -where - I::Item: TypeFoldable>, -{ - pub fn iter_instantiated( - self, - tcx: TyCtxt<'tcx>, - args: &'s [GenericArg<'tcx>], - ) -> IterInstantiated<'s, 'tcx, I> { - IterInstantiated { it: self.value.into_iter(), tcx, args } - } - - /// Similar to [`instantiate_identity`](EarlyBinder::instantiate_identity), - /// but on an iterator of `TypeFoldable` values. - pub fn instantiate_identity_iter(self) -> I::IntoIter { - self.value.into_iter() - } -} - -pub struct IterInstantiated<'s, 'tcx, I: IntoIterator> { - it: I::IntoIter, - tcx: TyCtxt<'tcx>, - args: &'s [GenericArg<'tcx>], -} - -impl<'tcx, I: IntoIterator> Iterator for IterInstantiated<'_, 'tcx, I> -where - I::Item: TypeFoldable>, -{ - type Item = I::Item; - - fn next(&mut self) -> Option { - Some( - EarlyBinder { value: self.it.next()?, _tcx: PhantomData } - .instantiate(self.tcx, self.args), - ) - } - - fn size_hint(&self) -> (usize, Option) { - self.it.size_hint() - } -} - -impl<'tcx, I: IntoIterator> DoubleEndedIterator for IterInstantiated<'_, 'tcx, I> -where - I::IntoIter: DoubleEndedIterator, - I::Item: TypeFoldable>, -{ - fn next_back(&mut self) -> Option { - Some( - EarlyBinder { value: self.it.next_back()?, _tcx: PhantomData } - .instantiate(self.tcx, self.args), - ) - } -} - -impl<'tcx, I: IntoIterator> ExactSizeIterator for IterInstantiated<'_, 'tcx, I> -where - I::IntoIter: ExactSizeIterator, - I::Item: TypeFoldable>, -{ -} - -impl<'tcx, 's, I: IntoIterator> EarlyBinder<'tcx, I> -where - I::Item: Deref, - ::Target: Copy + TypeFoldable>, -{ - pub fn iter_instantiated_copied( - self, - tcx: TyCtxt<'tcx>, - args: &'s [GenericArg<'tcx>], - ) -> IterInstantiatedCopied<'s, 'tcx, I> { - IterInstantiatedCopied { it: self.value.into_iter(), tcx, args } - } - - /// Similar to [`instantiate_identity`](EarlyBinder::instantiate_identity), - /// but on an iterator of values that deref to a `TypeFoldable`. - pub fn instantiate_identity_iter_copied( - self, - ) -> impl Iterator::Target> { - self.value.into_iter().map(|v| *v) - } -} - -pub struct IterInstantiatedCopied<'a, 'tcx, I: IntoIterator> { - it: I::IntoIter, - tcx: TyCtxt<'tcx>, - args: &'a [GenericArg<'tcx>], -} - -impl<'tcx, I: IntoIterator> Iterator for IterInstantiatedCopied<'_, 'tcx, I> -where - I::Item: Deref, - ::Target: Copy + TypeFoldable>, -{ - type Item = ::Target; - - fn next(&mut self) -> Option { - self.it.next().map(|value| { - EarlyBinder { value: *value, _tcx: PhantomData }.instantiate(self.tcx, self.args) - }) - } - - fn size_hint(&self) -> (usize, Option) { - self.it.size_hint() - } -} - -impl<'tcx, I: IntoIterator> DoubleEndedIterator for IterInstantiatedCopied<'_, 'tcx, I> -where - I::IntoIter: DoubleEndedIterator, - I::Item: Deref, - ::Target: Copy + TypeFoldable>, -{ - fn next_back(&mut self) -> Option { - self.it.next_back().map(|value| { - EarlyBinder { value: *value, _tcx: PhantomData }.instantiate(self.tcx, self.args) - }) - } -} - -impl<'tcx, I: IntoIterator> ExactSizeIterator for IterInstantiatedCopied<'_, 'tcx, I> -where - I::IntoIter: ExactSizeIterator, - I::Item: Deref, - ::Target: Copy + TypeFoldable>, -{ -} - -pub struct EarlyBinderIter<'tcx, T> { - t: T, - _tcx: PhantomData<&'tcx ()>, -} - -impl<'tcx, T: IntoIterator> EarlyBinder<'tcx, T> { - pub fn transpose_iter(self) -> EarlyBinderIter<'tcx, T::IntoIter> { - EarlyBinderIter { t: self.value.into_iter(), _tcx: PhantomData } - } -} - -impl<'tcx, T: Iterator> Iterator for EarlyBinderIter<'tcx, T> { - type Item = EarlyBinder<'tcx, T::Item>; - - fn next(&mut self) -> Option { - self.t.next().map(|value| EarlyBinder { value, _tcx: PhantomData }) - } - - fn size_hint(&self) -> (usize, Option) { - self.t.size_hint() - } -} - -impl<'tcx, T: TypeFoldable>> ty::EarlyBinder<'tcx, T> { - pub fn instantiate(self, tcx: TyCtxt<'tcx>, args: &[GenericArg<'tcx>]) -> T { - let mut folder = ArgFolder { tcx, args, binders_passed: 0 }; - self.value.fold_with(&mut folder) - } - - /// Makes the identity replacement `T0 => T0, ..., TN => TN`. - /// Conceptually, this converts universally bound variables into placeholders - /// when inside of a given item. - /// - /// For example, consider `for fn foo(){ .. }`: - /// - Outside of `foo`, `T` is bound (represented by the presence of `EarlyBinder`). - /// - Inside of the body of `foo`, we treat `T` as a placeholder by calling - /// `instantiate_identity` to discharge the `EarlyBinder`. - pub fn instantiate_identity(self) -> T { - self.value - } - - /// Returns the inner value, but only if it contains no bound vars. - pub fn no_bound_vars(self) -> Option { - if !self.value.has_param() { Some(self.value) } else { None } - } -} - -/////////////////////////////////////////////////////////////////////////// -// The actual instantiation engine itself is a type folder. - -struct ArgFolder<'a, 'tcx> { - tcx: TyCtxt<'tcx>, - args: &'a [GenericArg<'tcx>], - - /// Number of region binders we have passed through while doing the instantiation - binders_passed: u32, -} - -impl<'a, 'tcx> TypeFolder> for ArgFolder<'a, 'tcx> { - #[inline] - fn interner(&self) -> TyCtxt<'tcx> { - self.tcx - } - - fn fold_binder>>( - &mut self, - t: ty::Binder<'tcx, T>, - ) -> ty::Binder<'tcx, T> { - self.binders_passed += 1; - let t = t.super_fold_with(self); - self.binders_passed -= 1; - t - } - - fn fold_region(&mut self, r: ty::Region<'tcx>) -> ty::Region<'tcx> { - #[cold] - #[inline(never)] - fn region_param_out_of_range(data: ty::EarlyParamRegion, args: &[GenericArg<'_>]) -> ! { - bug!( - "Region parameter out of range when instantiating in region {} (index={}, args = {:?})", - data.name, - data.index, - args, - ) - } - - #[cold] - #[inline(never)] - fn region_param_invalid(data: ty::EarlyParamRegion, other: GenericArgKind<'_>) -> ! { - bug!( - "Unexpected parameter {:?} when instantiating in region {} (index={})", - other, - data.name, - data.index - ) - } - - // Note: This routine only handles regions that are bound on - // type declarations and other outer declarations, not those - // bound in *fn types*. Region instantiation of the bound - // regions that appear in a function signature is done using - // the specialized routine `ty::replace_late_regions()`. - match *r { - ty::ReEarlyParam(data) => { - let rk = self.args.get(data.index as usize).map(|k| k.unpack()); - match rk { - Some(GenericArgKind::Lifetime(lt)) => self.shift_region_through_binders(lt), - Some(other) => region_param_invalid(data, other), - None => region_param_out_of_range(data, self.args), - } - } - ty::ReBound(..) - | ty::ReLateParam(_) - | ty::ReStatic - | ty::RePlaceholder(_) - | ty::ReErased - | ty::ReError(_) => r, - ty::ReVar(_) => bug!("unexpected region: {r:?}"), - } - } - - fn fold_ty(&mut self, t: Ty<'tcx>) -> Ty<'tcx> { - if !t.has_param() { - return t; - } - - match *t.kind() { - ty::Param(p) => self.ty_for_param(p, t), - _ => t.super_fold_with(self), - } - } - - fn fold_const(&mut self, c: ty::Const<'tcx>) -> ty::Const<'tcx> { - if let ty::ConstKind::Param(p) = c.kind() { - self.const_for_param(p, c) - } else { - c.super_fold_with(self) - } - } -} - -impl<'a, 'tcx> ArgFolder<'a, 'tcx> { - fn ty_for_param(&self, p: ty::ParamTy, source_ty: Ty<'tcx>) -> Ty<'tcx> { - // Look up the type in the args. It really should be in there. - let opt_ty = self.args.get(p.index as usize).map(|k| k.unpack()); - let ty = match opt_ty { - Some(GenericArgKind::Type(ty)) => ty, - Some(kind) => self.type_param_expected(p, source_ty, kind), - None => self.type_param_out_of_range(p, source_ty), - }; - - self.shift_vars_through_binders(ty) - } - - #[cold] - #[inline(never)] - fn type_param_expected(&self, p: ty::ParamTy, ty: Ty<'tcx>, kind: GenericArgKind<'tcx>) -> ! { - bug!( - "expected type for `{:?}` ({:?}/{}) but found {:?} when instantiating, args={:?}", - p, - ty, - p.index, - kind, - self.args, - ) - } - - #[cold] - #[inline(never)] - fn type_param_out_of_range(&self, p: ty::ParamTy, ty: Ty<'tcx>) -> ! { - bug!( - "type parameter `{:?}` ({:?}/{}) out of range when instantiating, args={:?}", - p, - ty, - p.index, - self.args, - ) - } - - fn const_for_param(&self, p: ParamConst, source_ct: ty::Const<'tcx>) -> ty::Const<'tcx> { - // Look up the const in the args. It really should be in there. - let opt_ct = self.args.get(p.index as usize).map(|k| k.unpack()); - let ct = match opt_ct { - Some(GenericArgKind::Const(ct)) => ct, - Some(kind) => self.const_param_expected(p, source_ct, kind), - None => self.const_param_out_of_range(p, source_ct), - }; - - self.shift_vars_through_binders(ct) - } - - #[cold] - #[inline(never)] - fn const_param_expected( - &self, - p: ty::ParamConst, - ct: ty::Const<'tcx>, - kind: GenericArgKind<'tcx>, - ) -> ! { - bug!( - "expected const for `{:?}` ({:?}/{}) but found {:?} when instantiating args={:?}", - p, - ct, - p.index, - kind, - self.args, - ) - } - - #[cold] - #[inline(never)] - fn const_param_out_of_range(&self, p: ty::ParamConst, ct: ty::Const<'tcx>) -> ! { - bug!( - "const parameter `{:?}` ({:?}/{}) out of range when instantiating args={:?}", - p, - ct, - p.index, - self.args, - ) - } - - /// It is sometimes necessary to adjust the De Bruijn indices during instantiation. This occurs - /// when we are instantating a type with escaping bound vars into a context where we have - /// passed through binders. That's quite a mouthful. Let's see an example: - /// - /// ``` - /// type Func = fn(A); - /// type MetaFunc = for<'a> fn(Func<&'a i32>); - /// ``` - /// - /// The type `MetaFunc`, when fully expanded, will be - /// ```ignore (illustrative) - /// for<'a> fn(fn(&'a i32)) - /// // ^~ ^~ ^~~ - /// // | | | - /// // | | DebruijnIndex of 2 - /// // Binders - /// ``` - /// Here the `'a` lifetime is bound in the outer function, but appears as an argument of the - /// inner one. Therefore, that appearance will have a DebruijnIndex of 2, because we must skip - /// over the inner binder (remember that we count De Bruijn indices from 1). However, in the - /// definition of `MetaFunc`, the binder is not visible, so the type `&'a i32` will have a - /// De Bruijn index of 1. It's only during the instantiation that we can see we must increase the - /// depth by 1 to account for the binder that we passed through. - /// - /// As a second example, consider this twist: - /// - /// ``` - /// type FuncTuple = (A,fn(A)); - /// type MetaFuncTuple = for<'a> fn(FuncTuple<&'a i32>); - /// ``` - /// - /// Here the final type will be: - /// ```ignore (illustrative) - /// for<'a> fn((&'a i32, fn(&'a i32))) - /// // ^~~ ^~~ - /// // | | - /// // DebruijnIndex of 1 | - /// // DebruijnIndex of 2 - /// ``` - /// As indicated in the diagram, here the same type `&'a i32` is instantiated once, but in the - /// first case we do not increase the De Bruijn index and in the second case we do. The reason - /// is that only in the second case have we passed through a fn binder. - fn shift_vars_through_binders>>(&self, val: T) -> T { - debug!( - "shift_vars(val={:?}, binders_passed={:?}, has_escaping_bound_vars={:?})", - val, - self.binders_passed, - val.has_escaping_bound_vars() - ); - - if self.binders_passed == 0 || !val.has_escaping_bound_vars() { - return val; - } - - let result = ty::fold::shift_vars(TypeFolder::interner(self), val, self.binders_passed); - debug!("shift_vars: shifted result = {:?}", result); - - result - } - - fn shift_region_through_binders(&self, region: ty::Region<'tcx>) -> ty::Region<'tcx> { - if self.binders_passed == 0 || !region.has_escaping_bound_vars() { - return region; - } - ty::fold::shift_region(self.tcx, region, self.binders_passed) - } -} - /// Stores the user-given args to reach some fully qualified path /// (e.g., `::Item` or `::Item`). #[derive(Copy, Clone, Debug, PartialEq, Eq, Hash, TyEncodable, TyDecodable)] diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs index 70cd833aea88..f24074cb472d 100644 --- a/compiler/rustc_middle/src/ty/mod.rs +++ b/compiler/rustc_middle/src/ty/mod.rs @@ -114,9 +114,9 @@ pub use self::rvalue_scopes::RvalueScopes; pub use self::sty::{ AliasTy, Article, Binder, BoundTy, BoundTyKind, BoundVariableKind, CanonicalPolyFnSig, ClosureArgs, ClosureArgsParts, CoroutineArgs, CoroutineArgsParts, CoroutineClosureArgs, - CoroutineClosureArgsParts, CoroutineClosureSignature, FnSig, GenSig, InlineConstArgs, - InlineConstArgsParts, ParamConst, ParamTy, PolyFnSig, TyKind, TypeAndMut, UpvarArgs, - VarianceDiagInfo, + CoroutineClosureArgsParts, CoroutineClosureSignature, EarlyBinder, FnSig, GenSig, + InlineConstArgs, InlineConstArgsParts, ParamConst, ParamTy, PolyFnSig, TyKind, TypeAndMut, + UpvarArgs, VarianceDiagInfo, }; pub use self::trait_def::TraitDef; pub use self::typeck_results::{ diff --git a/compiler/rustc_middle/src/ty/region.rs b/compiler/rustc_middle/src/ty/region.rs index 958e7e401684..dcab20233086 100644 --- a/compiler/rustc_middle/src/ty/region.rs +++ b/compiler/rustc_middle/src/ty/region.rs @@ -138,6 +138,14 @@ impl<'tcx> Region<'tcx> { } impl<'tcx> rustc_type_ir::inherent::Region> for Region<'tcx> { + fn new_bound( + interner: TyCtxt<'tcx>, + debruijn: ty::DebruijnIndex, + var: ty::BoundRegion, + ) -> Self { + Region::new_bound(interner, debruijn, var) + } + fn new_anon_bound(tcx: TyCtxt<'tcx>, debruijn: ty::DebruijnIndex, var: ty::BoundVar) -> Self { Region::new_bound(tcx, debruijn, ty::BoundRegion { var, kind: ty::BoundRegionKind::BrAnon }) } @@ -340,6 +348,12 @@ pub struct EarlyParamRegion { pub name: Symbol, } +impl rustc_type_ir::inherent::ParamLike for EarlyParamRegion { + fn index(self) -> u32 { + self.index + } +} + impl std::fmt::Debug for EarlyParamRegion { fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { // FIXME(BoxyUwU): self.def_id goes first because of `erased-regions-in-hidden-ty.rs` being impossible to write diff --git a/compiler/rustc_middle/src/ty/sty.rs b/compiler/rustc_middle/src/ty/sty.rs index 41b5e6d4dcc4..5cf96d298375 100644 --- a/compiler/rustc_middle/src/ty/sty.rs +++ b/compiler/rustc_middle/src/ty/sty.rs @@ -40,6 +40,7 @@ pub type TypeAndMut<'tcx> = ir::TypeAndMut>; pub type AliasTy<'tcx> = ir::AliasTy>; pub type FnSig<'tcx> = ir::FnSig>; pub type Binder<'tcx, T> = ir::Binder, T>; +pub type EarlyBinder<'tcx, T> = ir::EarlyBinder, T>; pub trait Article { fn article(&self) -> &'static str; @@ -954,6 +955,12 @@ pub struct ParamTy { pub name: Symbol, } +impl rustc_type_ir::inherent::ParamLike for ParamTy { + fn index(self) -> u32 { + self.index + } +} + impl<'tcx> ParamTy { pub fn new(index: u32, name: Symbol) -> ParamTy { ParamTy { index, name } @@ -982,6 +989,12 @@ pub struct ParamConst { pub name: Symbol, } +impl rustc_type_ir::inherent::ParamLike for ParamConst { + fn index(self) -> u32 { + self.index + } +} + impl ParamConst { pub fn new(index: u32, name: Symbol) -> ParamConst { ParamConst { index, name } @@ -1423,6 +1436,10 @@ impl<'tcx> rustc_type_ir::inherent::Ty> for Ty<'tcx> { Ty::new_var(tcx, vid) } + fn new_bound(interner: TyCtxt<'tcx>, debruijn: ty::DebruijnIndex, var: ty::BoundTy) -> Self { + Ty::new_bound(interner, debruijn, var) + } + fn new_anon_bound(tcx: TyCtxt<'tcx>, debruijn: ty::DebruijnIndex, var: ty::BoundVar) -> Self { Ty::new_bound(tcx, debruijn, ty::BoundTy { var, kind: ty::BoundTyKind::Anon }) } diff --git a/compiler/rustc_type_ir/Cargo.toml b/compiler/rustc_type_ir/Cargo.toml index cef3f4e8ce05..18a09067a2c9 100644 --- a/compiler/rustc_type_ir/Cargo.toml +++ b/compiler/rustc_type_ir/Cargo.toml @@ -15,6 +15,7 @@ rustc_serialize = { path = "../rustc_serialize", optional = true } rustc_span = { path = "../rustc_span", optional = true } rustc_type_ir_macros = { path = "../rustc_type_ir_macros" } smallvec = { version = "1.8.1", default-features = false } +tracing = "0.1" # tidy-alphabetical-end [features] diff --git a/compiler/rustc_type_ir/src/binder.rs b/compiler/rustc_type_ir/src/binder.rs index 5336b915a1d3..e50d59ba5f0e 100644 --- a/compiler/rustc_type_ir/src/binder.rs +++ b/compiler/rustc_type_ir/src/binder.rs @@ -1,12 +1,14 @@ use std::fmt::Debug; use std::hash::Hash; +use std::marker::PhantomData; use std::ops::{ControlFlow, Deref}; #[cfg(feature = "nightly")] -use rustc_macros::HashStable_NoContext; +use rustc_macros::{HashStable_NoContext, TyDecodable, TyEncodable}; use rustc_serialize::Decodable; +use tracing::debug; -use crate::fold::{FallibleTypeFolder, TypeFoldable, TypeSuperFoldable}; +use crate::fold::{FallibleTypeFolder, TypeFoldable, TypeFolder, TypeSuperFoldable}; use crate::inherent::*; use crate::lift::Lift; use crate::visit::{Flags, TypeSuperVisitable, TypeVisitable, TypeVisitableExt, TypeVisitor}; @@ -338,3 +340,516 @@ impl TypeVisitor for ValidateBoundVars { ControlFlow::Continue(()) } } + +/// Similar to [`super::Binder`] except that it tracks early bound generics, i.e. `struct Foo(T)` +/// needs `T` instantiated immediately. This type primarily exists to avoid forgetting to call +/// `instantiate`. +/// +/// If you don't have anything to `instantiate`, you may be looking for +/// [`instantiate_identity`](EarlyBinder::instantiate_identity) or [`skip_binder`](EarlyBinder::skip_binder). +#[derive(derivative::Derivative)] +#[derivative( + Clone(bound = "T: Clone"), + Copy(bound = "T: Copy"), + PartialEq(bound = "T: PartialEq"), + Eq(bound = "T: Eq"), + Ord(bound = "T: Ord"), + PartialOrd(bound = "T: Ord"), + Hash(bound = "T: Hash"), + Debug(bound = "T: Debug") +)] +#[cfg_attr(feature = "nightly", derive(TyEncodable, TyDecodable, HashStable_NoContext))] +pub struct EarlyBinder { + value: T, + _tcx: PhantomData, +} + +/// For early binders, you should first call `instantiate` before using any visitors. +#[cfg(feature = "nightly")] +impl !TypeFoldable for ty::EarlyBinder {} + +/// For early binders, you should first call `instantiate` before using any visitors. +#[cfg(feature = "nightly")] +impl !TypeVisitable for ty::EarlyBinder {} + +impl EarlyBinder { + pub fn bind(value: T) -> EarlyBinder { + EarlyBinder { value, _tcx: PhantomData } + } + + pub fn as_ref(&self) -> EarlyBinder { + EarlyBinder { value: &self.value, _tcx: PhantomData } + } + + pub fn map_bound_ref(&self, f: F) -> EarlyBinder + where + F: FnOnce(&T) -> U, + { + self.as_ref().map_bound(f) + } + + pub fn map_bound(self, f: F) -> EarlyBinder + where + F: FnOnce(T) -> U, + { + let value = f(self.value); + EarlyBinder { value, _tcx: PhantomData } + } + + pub fn try_map_bound(self, f: F) -> Result, E> + where + F: FnOnce(T) -> Result, + { + let value = f(self.value)?; + Ok(EarlyBinder { value, _tcx: PhantomData }) + } + + pub fn rebind(&self, value: U) -> EarlyBinder { + EarlyBinder { value, _tcx: PhantomData } + } + + /// Skips the binder and returns the "bound" value. + /// This can be used to extract data that does not depend on generic parameters + /// (e.g., getting the `DefId` of the inner value or getting the number of + /// arguments of an `FnSig`). Otherwise, consider using + /// [`instantiate_identity`](EarlyBinder::instantiate_identity). + /// + /// To skip the binder on `x: &EarlyBinder` to obtain `&T`, leverage + /// [`EarlyBinder::as_ref`](EarlyBinder::as_ref): `x.as_ref().skip_binder()`. + /// + /// See also [`Binder::skip_binder`](super::Binder::skip_binder), which is + /// the analogous operation on [`super::Binder`]. + pub fn skip_binder(self) -> T { + self.value + } +} + +impl EarlyBinder> { + pub fn transpose(self) -> Option> { + self.value.map(|value| EarlyBinder { value, _tcx: PhantomData }) + } +} + +impl<'s, I: Interner, Iter: IntoIterator> EarlyBinder +where + Iter::Item: TypeFoldable, +{ + pub fn iter_instantiated( + self, + tcx: I, + args: &'s [I::GenericArg], + ) -> IterInstantiated<'s, I, Iter> { + IterInstantiated { it: self.value.into_iter(), tcx, args } + } + + /// Similar to [`instantiate_identity`](EarlyBinder::instantiate_identity), + /// but on an iterator of `TypeFoldable` values. + pub fn instantiate_identity_iter(self) -> Iter::IntoIter { + self.value.into_iter() + } +} + +pub struct IterInstantiated<'s, I: Interner, Iter: IntoIterator> { + it: Iter::IntoIter, + tcx: I, + args: &'s [I::GenericArg], +} + +impl Iterator for IterInstantiated<'_, I, Iter> +where + Iter::Item: TypeFoldable, +{ + type Item = Iter::Item; + + fn next(&mut self) -> Option { + Some( + EarlyBinder { value: self.it.next()?, _tcx: PhantomData } + .instantiate(self.tcx, self.args), + ) + } + + fn size_hint(&self) -> (usize, Option) { + self.it.size_hint() + } +} + +impl DoubleEndedIterator for IterInstantiated<'_, I, Iter> +where + Iter::IntoIter: DoubleEndedIterator, + Iter::Item: TypeFoldable, +{ + fn next_back(&mut self) -> Option { + Some( + EarlyBinder { value: self.it.next_back()?, _tcx: PhantomData } + .instantiate(self.tcx, self.args), + ) + } +} + +impl ExactSizeIterator for IterInstantiated<'_, I, Iter> +where + Iter::IntoIter: ExactSizeIterator, + Iter::Item: TypeFoldable, +{ +} + +impl<'s, I: Interner, Iter: IntoIterator> EarlyBinder +where + Iter::Item: Deref, + ::Target: Copy + TypeFoldable, +{ + pub fn iter_instantiated_copied( + self, + tcx: I, + args: &'s [I::GenericArg], + ) -> IterInstantiatedCopied<'s, I, Iter> { + IterInstantiatedCopied { it: self.value.into_iter(), tcx, args } + } + + /// Similar to [`instantiate_identity`](EarlyBinder::instantiate_identity), + /// but on an iterator of values that deref to a `TypeFoldable`. + pub fn instantiate_identity_iter_copied( + self, + ) -> impl Iterator::Target> { + self.value.into_iter().map(|v| *v) + } +} + +pub struct IterInstantiatedCopied<'a, I: Interner, Iter: IntoIterator> { + it: Iter::IntoIter, + tcx: I, + args: &'a [I::GenericArg], +} + +impl Iterator for IterInstantiatedCopied<'_, I, Iter> +where + Iter::Item: Deref, + ::Target: Copy + TypeFoldable, +{ + type Item = ::Target; + + fn next(&mut self) -> Option { + self.it.next().map(|value| { + EarlyBinder { value: *value, _tcx: PhantomData }.instantiate(self.tcx, self.args) + }) + } + + fn size_hint(&self) -> (usize, Option) { + self.it.size_hint() + } +} + +impl DoubleEndedIterator for IterInstantiatedCopied<'_, I, Iter> +where + Iter::IntoIter: DoubleEndedIterator, + Iter::Item: Deref, + ::Target: Copy + TypeFoldable, +{ + fn next_back(&mut self) -> Option { + self.it.next_back().map(|value| { + EarlyBinder { value: *value, _tcx: PhantomData }.instantiate(self.tcx, self.args) + }) + } +} + +impl ExactSizeIterator for IterInstantiatedCopied<'_, I, Iter> +where + Iter::IntoIter: ExactSizeIterator, + Iter::Item: Deref, + ::Target: Copy + TypeFoldable, +{ +} + +pub struct EarlyBinderIter { + t: T, + _tcx: PhantomData, +} + +impl EarlyBinder { + pub fn transpose_iter(self) -> EarlyBinderIter { + EarlyBinderIter { t: self.value.into_iter(), _tcx: PhantomData } + } +} + +impl Iterator for EarlyBinderIter { + type Item = EarlyBinder; + + fn next(&mut self) -> Option { + self.t.next().map(|value| EarlyBinder { value, _tcx: PhantomData }) + } + + fn size_hint(&self) -> (usize, Option) { + self.t.size_hint() + } +} + +impl> ty::EarlyBinder { + pub fn instantiate(self, tcx: I, args: &[I::GenericArg]) -> T { + let mut folder = ArgFolder { tcx, args, binders_passed: 0 }; + self.value.fold_with(&mut folder) + } + + /// Makes the identity replacement `T0 => T0, ..., TN => TN`. + /// Conceptually, this converts universally bound variables into placeholders + /// when inside of a given item. + /// + /// For example, consider `for fn foo(){ .. }`: + /// - Outside of `foo`, `T` is bound (represented by the presence of `EarlyBinder`). + /// - Inside of the body of `foo`, we treat `T` as a placeholder by calling + /// `instantiate_identity` to discharge the `EarlyBinder`. + pub fn instantiate_identity(self) -> T { + self.value + } + + /// Returns the inner value, but only if it contains no bound vars. + pub fn no_bound_vars(self) -> Option { + if !self.value.has_param() { Some(self.value) } else { None } + } +} + +/////////////////////////////////////////////////////////////////////////// +// The actual instantiation engine itself is a type folder. + +struct ArgFolder<'a, I: Interner> { + tcx: I, + args: &'a [I::GenericArg], + + /// Number of region binders we have passed through while doing the instantiation + binders_passed: u32, +} + +impl<'a, I: Interner> TypeFolder for ArgFolder<'a, I> { + #[inline] + fn interner(&self) -> I { + self.tcx + } + + fn fold_binder>(&mut self, t: ty::Binder) -> ty::Binder { + self.binders_passed += 1; + let t = t.super_fold_with(self); + self.binders_passed -= 1; + t + } + + fn fold_region(&mut self, r: I::Region) -> I::Region { + // Note: This routine only handles regions that are bound on + // type declarations and other outer declarations, not those + // bound in *fn types*. Region instantiation of the bound + // regions that appear in a function signature is done using + // the specialized routine `ty::replace_late_regions()`. + match r.kind() { + ty::ReEarlyParam(data) => { + let rk = self.args.get(data.index() as usize).map(|k| k.kind()); + match rk { + Some(ty::GenericArgKind::Lifetime(lt)) => self.shift_region_through_binders(lt), + Some(other) => self.region_param_expected(data, r, other), + None => self.region_param_out_of_range(data, r), + } + } + ty::ReBound(..) + | ty::ReLateParam(_) + | ty::ReStatic + | ty::RePlaceholder(_) + | ty::ReErased + | ty::ReError(_) => r, + ty::ReVar(_) => panic!("unexpected region: {r:?}"), + } + } + + fn fold_ty(&mut self, t: I::Ty) -> I::Ty { + if !t.has_param() { + return t; + } + + match t.kind() { + ty::Param(p) => self.ty_for_param(p, t), + _ => t.super_fold_with(self), + } + } + + fn fold_const(&mut self, c: I::Const) -> I::Const { + if let ty::ConstKind::Param(p) = c.kind() { + self.const_for_param(p, c) + } else { + c.super_fold_with(self) + } + } +} + +impl<'a, I: Interner> ArgFolder<'a, I> { + fn ty_for_param(&self, p: I::ParamTy, source_ty: I::Ty) -> I::Ty { + // Look up the type in the args. It really should be in there. + let opt_ty = self.args.get(p.index() as usize).map(|k| k.kind()); + let ty = match opt_ty { + Some(ty::GenericArgKind::Type(ty)) => ty, + Some(kind) => self.type_param_expected(p, source_ty, kind), + None => self.type_param_out_of_range(p, source_ty), + }; + + self.shift_vars_through_binders(ty) + } + + #[cold] + #[inline(never)] + fn type_param_expected(&self, p: I::ParamTy, ty: I::Ty, kind: ty::GenericArgKind) -> ! { + panic!( + "expected type for `{:?}` ({:?}/{}) but found {:?} when instantiating, args={:?}", + p, + ty, + p.index(), + kind, + self.args, + ) + } + + #[cold] + #[inline(never)] + fn type_param_out_of_range(&self, p: I::ParamTy, ty: I::Ty) -> ! { + panic!( + "type parameter `{:?}` ({:?}/{}) out of range when instantiating, args={:?}", + p, + ty, + p.index(), + self.args, + ) + } + + fn const_for_param(&self, p: I::ParamConst, source_ct: I::Const) -> I::Const { + // Look up the const in the args. It really should be in there. + let opt_ct = self.args.get(p.index() as usize).map(|k| k.kind()); + let ct = match opt_ct { + Some(ty::GenericArgKind::Const(ct)) => ct, + Some(kind) => self.const_param_expected(p, source_ct, kind), + None => self.const_param_out_of_range(p, source_ct), + }; + + self.shift_vars_through_binders(ct) + } + + #[cold] + #[inline(never)] + fn const_param_expected( + &self, + p: I::ParamConst, + ct: I::Const, + kind: ty::GenericArgKind, + ) -> ! { + panic!( + "expected const for `{:?}` ({:?}/{}) but found {:?} when instantiating args={:?}", + p, + ct, + p.index(), + kind, + self.args, + ) + } + + #[cold] + #[inline(never)] + fn const_param_out_of_range(&self, p: I::ParamConst, ct: I::Const) -> ! { + panic!( + "const parameter `{:?}` ({:?}/{}) out of range when instantiating args={:?}", + p, + ct, + p.index(), + self.args, + ) + } + + #[cold] + #[inline(never)] + fn region_param_expected( + &self, + ebr: I::EarlyParamRegion, + r: I::Region, + kind: ty::GenericArgKind, + ) -> ! { + panic!( + "expected region for `{:?}` ({:?}/{}) but found {:?} when instantiating args={:?}", + ebr, + r, + ebr.index(), + kind, + self.args, + ) + } + + #[cold] + #[inline(never)] + fn region_param_out_of_range(&self, ebr: I::EarlyParamRegion, r: I::Region) -> ! { + panic!( + "const parameter `{:?}` ({:?}/{}) out of range when instantiating args={:?}", + ebr, + r, + ebr.index(), + self.args, + ) + } + + /// It is sometimes necessary to adjust the De Bruijn indices during instantiation. This occurs + /// when we are instantating a type with escaping bound vars into a context where we have + /// passed through binders. That's quite a mouthful. Let's see an example: + /// + /// ``` + /// type Func = fn(A); + /// type MetaFunc = for<'a> fn(Func<&'a i32>); + /// ``` + /// + /// The type `MetaFunc`, when fully expanded, will be + /// ```ignore (illustrative) + /// for<'a> fn(fn(&'a i32)) + /// // ^~ ^~ ^~~ + /// // | | | + /// // | | DebruijnIndex of 2 + /// // Binders + /// ``` + /// Here the `'a` lifetime is bound in the outer function, but appears as an argument of the + /// inner one. Therefore, that appearance will have a DebruijnIndex of 2, because we must skip + /// over the inner binder (remember that we count De Bruijn indices from 1). However, in the + /// definition of `MetaFunc`, the binder is not visible, so the type `&'a i32` will have a + /// De Bruijn index of 1. It's only during the instantiation that we can see we must increase the + /// depth by 1 to account for the binder that we passed through. + /// + /// As a second example, consider this twist: + /// + /// ``` + /// type FuncTuple = (A,fn(A)); + /// type MetaFuncTuple = for<'a> fn(FuncTuple<&'a i32>); + /// ``` + /// + /// Here the final type will be: + /// ```ignore (illustrative) + /// for<'a> fn((&'a i32, fn(&'a i32))) + /// // ^~~ ^~~ + /// // | | + /// // DebruijnIndex of 1 | + /// // DebruijnIndex of 2 + /// ``` + /// As indicated in the diagram, here the same type `&'a i32` is instantiated once, but in the + /// first case we do not increase the De Bruijn index and in the second case we do. The reason + /// is that only in the second case have we passed through a fn binder. + fn shift_vars_through_binders>(&self, val: T) -> T { + debug!( + "shift_vars(val={:?}, binders_passed={:?}, has_escaping_bound_vars={:?})", + val, + self.binders_passed, + val.has_escaping_bound_vars() + ); + + if self.binders_passed == 0 || !val.has_escaping_bound_vars() { + return val; + } + + let result = ty::fold::shift_vars(TypeFolder::interner(self), val, self.binders_passed); + debug!("shift_vars: shifted result = {:?}", result); + + result + } + + fn shift_region_through_binders(&self, region: I::Region) -> I::Region { + if self.binders_passed == 0 || !region.has_escaping_bound_vars() { + return region; + } + ty::fold::shift_region(self.tcx, region, self.binders_passed) + } +} diff --git a/compiler/rustc_type_ir/src/fold.rs b/compiler/rustc_type_ir/src/fold.rs index 405aba30241b..501311ff72f7 100644 --- a/compiler/rustc_type_ir/src/fold.rs +++ b/compiler/rustc_type_ir/src/fold.rs @@ -47,8 +47,10 @@ use rustc_index::{Idx, IndexVec}; use std::mem; +use tracing::debug; -use crate::visit::TypeVisitable; +use crate::inherent::*; +use crate::visit::{TypeVisitable, TypeVisitableExt as _}; use crate::{self as ty, Interner, Lrc}; #[cfg(feature = "nightly")] @@ -325,3 +327,95 @@ impl, Ix: Idx> TypeFoldable for IndexVec { + tcx: I, + current_index: ty::DebruijnIndex, + amount: u32, +} + +impl Shifter { + pub fn new(tcx: I, amount: u32) -> Self { + Shifter { tcx, current_index: ty::INNERMOST, amount } + } +} + +impl TypeFolder for Shifter { + fn interner(&self) -> I { + self.tcx + } + + fn fold_binder>(&mut self, t: ty::Binder) -> ty::Binder { + self.current_index.shift_in(1); + let t = t.super_fold_with(self); + self.current_index.shift_out(1); + t + } + + fn fold_region(&mut self, r: I::Region) -> I::Region { + match r.kind() { + ty::ReBound(debruijn, br) if debruijn >= self.current_index => { + let debruijn = debruijn.shifted_in(self.amount); + Region::new_bound(self.tcx, debruijn, br) + } + _ => r, + } + } + + fn fold_ty(&mut self, ty: I::Ty) -> I::Ty { + match ty.kind() { + ty::Bound(debruijn, bound_ty) if debruijn >= self.current_index => { + let debruijn = debruijn.shifted_in(self.amount); + Ty::new_bound(self.tcx, debruijn, bound_ty) + } + + _ if ty.has_vars_bound_at_or_above(self.current_index) => ty.super_fold_with(self), + _ => ty, + } + } + + fn fold_const(&mut self, ct: I::Const) -> I::Const { + match ct.kind() { + ty::ConstKind::Bound(debruijn, bound_ct) if debruijn >= self.current_index => { + let debruijn = debruijn.shifted_in(self.amount); + Const::new_bound(self.tcx, debruijn, bound_ct, ct.ty()) + } + _ => ct.super_fold_with(self), + } + } + + fn fold_predicate(&mut self, p: I::Predicate) -> I::Predicate { + if p.has_vars_bound_at_or_above(self.current_index) { p.super_fold_with(self) } else { p } + } +} + +pub fn shift_region(tcx: I, region: I::Region, amount: u32) -> I::Region { + match region.kind() { + ty::ReBound(debruijn, br) if amount > 0 => { + Region::new_bound(tcx, debruijn.shifted_in(amount), br) + } + _ => region, + } +} + +pub fn shift_vars(tcx: I, value: T, amount: u32) -> T +where + T: TypeFoldable, +{ + debug!("shift_vars(value={:?}, amount={})", value, amount); + + if amount == 0 || !value.has_escaping_bound_vars() { + return value; + } + + value.fold_with(&mut Shifter::new(tcx, amount)) +} diff --git a/compiler/rustc_type_ir/src/inherent.rs b/compiler/rustc_type_ir/src/inherent.rs index 77fe30a46608..e7e893f27daa 100644 --- a/compiler/rustc_type_ir/src/inherent.rs +++ b/compiler/rustc_type_ir/src/inherent.rs @@ -29,6 +29,8 @@ pub trait Ty>: fn new_var(interner: I, var: ty::TyVid) -> Self; + fn new_bound(interner: I, debruijn: ty::DebruijnIndex, var: I::BoundTy) -> Self; + fn new_anon_bound(interner: I, debruijn: ty::DebruijnIndex, var: ty::BoundVar) -> Self; fn new_alias(interner: I, kind: ty::AliasTyKind, alias_ty: ty::AliasTy) -> Self; @@ -65,7 +67,10 @@ pub trait Region>: + Into + IntoKind> + Flags + + TypeVisitable { + fn new_bound(interner: I, debruijn: ty::DebruijnIndex, var: I::BoundRegion) -> Self; + fn new_anon_bound(interner: I, debruijn: ty::DebruijnIndex, var: ty::BoundVar) -> Self; fn new_static(interner: I) -> Self; @@ -87,6 +92,8 @@ pub trait Const>: fn new_var(interner: I, var: ty::ConstVid, ty: I::Ty) -> Self; + fn new_bound(interner: I, debruijn: ty::DebruijnIndex, var: I::BoundConst, ty: I::Ty) -> Self; + fn new_anon_bound( interner: I, debruijn: ty::DebruijnIndex, @@ -162,3 +169,7 @@ pub trait BoundVarLike { fn assert_eq(self, var: I::BoundVarKind); } + +pub trait ParamLike { + fn index(self) -> u32; +} diff --git a/compiler/rustc_type_ir/src/interner.rs b/compiler/rustc_type_ir/src/interner.rs index c77414afc52c..d9485e91479f 100644 --- a/compiler/rustc_type_ir/src/interner.rs +++ b/compiler/rustc_type_ir/src/interner.rs @@ -65,7 +65,7 @@ pub trait Interner: type Ty: Ty; type Tys: Tys; type FnInputTys: Copy + Debug + Hash + Eq + Deref + TypeVisitable; - type ParamTy: Copy + Debug + Hash + Eq; + type ParamTy: Copy + Debug + Hash + Eq + ParamLike; type BoundTy: Copy + Debug + Hash + Eq + BoundVarLike; type PlaceholderTy: PlaceholderLike; @@ -81,14 +81,14 @@ pub trait Interner: // Kinds of consts type Const: Const; type PlaceholderConst: PlaceholderLike; - type ParamConst: Copy + Debug + Hash + Eq; + type ParamConst: Copy + Debug + Hash + Eq + ParamLike; type BoundConst: Copy + Debug + Hash + Eq + BoundVarLike; type ValueConst: Copy + Debug + Hash + Eq; type ExprConst: Copy + DebugWithInfcx + Hash + Eq; // Kinds of regions type Region: Region; - type EarlyParamRegion: Copy + Debug + Hash + Eq; + type EarlyParamRegion: Copy + Debug + Hash + Eq + ParamLike; type LateParamRegion: Copy + Debug + Hash + Eq; type BoundRegion: Copy + Debug + Hash + Eq + BoundVarLike; type PlaceholderRegion: PlaceholderLike; diff --git a/compiler/rustc_type_ir/src/lib.rs b/compiler/rustc_type_ir/src/lib.rs index 4a461b5b5f3c..217c056d0bae 100644 --- a/compiler/rustc_type_ir/src/lib.rs +++ b/compiler/rustc_type_ir/src/lib.rs @@ -1,6 +1,6 @@ #![cfg_attr( feature = "nightly", - feature(associated_type_defaults, min_specialization, never_type, rustc_attrs) + feature(associated_type_defaults, min_specialization, never_type, rustc_attrs, negative_impls) )] #![allow(rustc::usage_of_ty_tykind)] #![cfg_attr(feature = "nightly", allow(internal_features))] From f92292978f7b8ff985efdf5f4c471e051c3f6a92 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sun, 26 May 2024 20:53:00 -0400 Subject: [PATCH 0589/1716] Use EarlyBinder in rustc_type_ir, simplify imports --- compiler/rustc_middle/src/ty/context.rs | 4 +-- compiler/rustc_type_ir/src/interner.rs | 44 +++++++++++-------------- compiler/rustc_type_ir/src/predicate.rs | 2 +- 3 files changed, 23 insertions(+), 27 deletions(-) diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index 40871dd4adaf..500c298a78e3 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -151,8 +151,8 @@ impl<'tcx> Interner for TyCtxt<'tcx> { self.generics_of(def_id) } - fn type_of_instantiated(self, def_id: DefId, args: ty::GenericArgsRef<'tcx>) -> Ty<'tcx> { - self.type_of(def_id).instantiate(self, args) + fn type_of(self, def_id: DefId) -> ty::EarlyBinder<'tcx, Ty<'tcx>> { + self.type_of(def_id) } fn alias_ty_kind(self, alias: ty::AliasTy<'tcx>) -> ty::AliasTyKind { diff --git a/compiler/rustc_type_ir/src/interner.rs b/compiler/rustc_type_ir/src/interner.rs index d9485e91479f..e49db171a534 100644 --- a/compiler/rustc_type_ir/src/interner.rs +++ b/compiler/rustc_type_ir/src/interner.rs @@ -7,26 +7,22 @@ use crate::inherent::*; use crate::ir_print::IrPrint; use crate::solve::inspect::CanonicalGoalEvaluationStep; use crate::visit::{Flags, TypeSuperVisitable, TypeVisitable}; -use crate::{ - AliasTerm, AliasTermKind, AliasTy, AliasTyKind, CanonicalVarInfo, CoercePredicate, - DebugWithInfcx, ExistentialProjection, ExistentialTraitRef, FnSig, GenericArgKind, - NormalizesTo, ProjectionPredicate, SubtypePredicate, TermKind, TraitPredicate, TraitRef, -}; +use crate::{self as ty, DebugWithInfcx}; pub trait Interner: Sized + Copy - + IrPrint> - + IrPrint> - + IrPrint> - + IrPrint> - + IrPrint> - + IrPrint> - + IrPrint> - + IrPrint> - + IrPrint> - + IrPrint> - + IrPrint> + + IrPrint> + + IrPrint> + + IrPrint> + + IrPrint> + + IrPrint> + + IrPrint> + + IrPrint> + + IrPrint> + + IrPrint> + + IrPrint> + + IrPrint> { type DefId: Copy + Debug + Hash + Eq + TypeVisitable; type AdtDef: Copy + Debug + Hash + Eq; @@ -39,9 +35,9 @@ pub trait Interner: + DebugWithInfcx + Hash + Eq - + IntoKind> + + IntoKind> + TypeVisitable; - type Term: Copy + Debug + Hash + Eq + IntoKind> + TypeVisitable; + type Term: Copy + Debug + Hash + Eq + IntoKind> + TypeVisitable; type BoundVarKinds: Copy + Debug @@ -51,7 +47,7 @@ pub trait Interner: + Default; type BoundVarKind: Copy + Debug + Hash + Eq; - type CanonicalVars: Copy + Debug + Hash + Eq + IntoIterator>; + type CanonicalVars: Copy + Debug + Hash + Eq + IntoIterator>; type PredefinedOpaques: Copy + Debug + Hash + Eq; type DefiningOpaqueTypes: Copy + Debug + Hash + Default + Eq + TypeVisitable; type ExternalConstraints: Copy + Debug + Hash + Eq; @@ -99,23 +95,23 @@ pub trait Interner: type Clause: Clause; type Clauses: Copy + Debug + Hash + Eq + TypeSuperVisitable + Flags; - fn mk_canonical_var_infos(self, infos: &[CanonicalVarInfo]) -> Self::CanonicalVars; + fn mk_canonical_var_infos(self, infos: &[ty::CanonicalVarInfo]) -> Self::CanonicalVars; type GenericsOf: GenericsOf; fn generics_of(self, def_id: Self::DefId) -> Self::GenericsOf; // FIXME: Remove after uplifting `EarlyBinder` - fn type_of_instantiated(self, def_id: Self::DefId, args: Self::GenericArgs) -> Self::Ty; + fn type_of(self, def_id: Self::DefId) -> ty::EarlyBinder; - fn alias_ty_kind(self, alias: AliasTy) -> AliasTyKind; + fn alias_ty_kind(self, alias: ty::AliasTy) -> ty::AliasTyKind; - fn alias_term_kind(self, alias: AliasTerm) -> AliasTermKind; + fn alias_term_kind(self, alias: ty::AliasTerm) -> ty::AliasTermKind; fn trait_ref_and_own_args_for_alias( self, def_id: Self::DefId, args: Self::GenericArgs, - ) -> (TraitRef, Self::OwnItemArgs); + ) -> (ty::TraitRef, Self::OwnItemArgs); fn mk_args(self, args: &[Self::GenericArg]) -> Self::GenericArgs; diff --git a/compiler/rustc_type_ir/src/predicate.rs b/compiler/rustc_type_ir/src/predicate.rs index 4e12c6b3d671..48a6f79993cc 100644 --- a/compiler/rustc_type_ir/src/predicate.rs +++ b/compiler/rustc_type_ir/src/predicate.rs @@ -567,7 +567,7 @@ impl AliasTerm { I::Const::new_unevaluated( interner, ty::UnevaluatedConst::new(self.def_id, self.args), - interner.type_of_instantiated(self.def_id, self.args), + interner.type_of(self.def_id).instantiate(interner, &self.args), ) .into() } From 7110f471d305313b0ef12f66c2db3acc3c822851 Mon Sep 17 00:00:00 2001 From: cookie-s Date: Sun, 26 May 2024 22:39:23 -0400 Subject: [PATCH 0590/1716] [`many_single_char_names`]: Deduplicate diagnostics --- clippy_lints/src/non_expressive_names.rs | 4 ++++ tests/ui/many_single_char_names.rs | 2 -- tests/ui/many_single_char_names.stderr | 10 +++++----- 3 files changed, 9 insertions(+), 7 deletions(-) diff --git a/clippy_lints/src/non_expressive_names.rs b/clippy_lints/src/non_expressive_names.rs index 7b26235291a5..eacfe9ff328d 100644 --- a/clippy_lints/src/non_expressive_names.rs +++ b/clippy_lints/src/non_expressive_names.rs @@ -98,6 +98,10 @@ struct SimilarNamesLocalVisitor<'a, 'tcx> { impl<'a, 'tcx> SimilarNamesLocalVisitor<'a, 'tcx> { fn check_single_char_names(&self) { + if self.single_char_names.last().map(Vec::len) == Some(0) { + return; + } + let num_single_char_names = self.single_char_names.iter().flatten().count(); let threshold = self.lint.single_char_binding_names_threshold; if num_single_char_names as u64 > threshold { diff --git a/tests/ui/many_single_char_names.rs b/tests/ui/many_single_char_names.rs index 2af45eaab8af..68578340d90e 100644 --- a/tests/ui/many_single_char_names.rs +++ b/tests/ui/many_single_char_names.rs @@ -1,5 +1,3 @@ -//@compile-flags: -Zdeduplicate-diagnostics=yes - #![allow(clippy::too_many_arguments, clippy::diverging_sub_expression)] #![warn(clippy::many_single_char_names)] diff --git a/tests/ui/many_single_char_names.stderr b/tests/ui/many_single_char_names.stderr index 3b2460b5c077..131836ef7c88 100644 --- a/tests/ui/many_single_char_names.stderr +++ b/tests/ui/many_single_char_names.stderr @@ -1,5 +1,5 @@ error: 5 bindings with single-character names in scope - --> tests/ui/many_single_char_names.rs:7:9 + --> tests/ui/many_single_char_names.rs:5:9 | LL | let a: i32; | ^ @@ -14,7 +14,7 @@ LL | let e: i32; = help: to override `-D warnings` add `#[allow(clippy::many_single_char_names)]` error: 6 bindings with single-character names in scope - --> tests/ui/many_single_char_names.rs:7:9 + --> tests/ui/many_single_char_names.rs:5:9 | LL | let a: i32; | ^ @@ -28,7 +28,7 @@ LL | let f: i32; | ^ error: 5 bindings with single-character names in scope - --> tests/ui/many_single_char_names.rs:7:9 + --> tests/ui/many_single_char_names.rs:5:9 | LL | let a: i32; | ^ @@ -40,13 +40,13 @@ LL | e => panic!(), | ^ error: 8 bindings with single-character names in scope - --> tests/ui/many_single_char_names.rs:36:13 + --> tests/ui/many_single_char_names.rs:34:13 | LL | fn bindings(a: i32, b: i32, c: i32, d: i32, e: i32, f: i32, g: i32, h: i32) {} | ^ ^ ^ ^ ^ ^ ^ ^ error: 8 bindings with single-character names in scope - --> tests/ui/many_single_char_names.rs:40:10 + --> tests/ui/many_single_char_names.rs:38:10 | LL | let (a, b, c, d, e, f, g, h): (bool, bool, bool, bool, bool, bool, bool, bool) = unimplemented!(); | ^ ^ ^ ^ ^ ^ ^ ^ From 03306b6ab61bfe5bab6e555caf8ee0ba911cce9a Mon Sep 17 00:00:00 2001 From: J-ZhengLi Date: Mon, 27 May 2024 11:49:10 +0800 Subject: [PATCH 0591/1716] suggest adding parentheses when linting [`let_and_return`] and [`needless_return`] --- clippy_lints/src/dereference.rs | 14 +++--- clippy_lints/src/needless_bool.rs | 13 ++---- clippy_lints/src/returns.rs | 34 ++++++--------- clippy_utils/src/lib.rs | 22 ++++++++++ tests/ui/let_and_return.fixed | 34 +++++++++++++++ tests/ui/let_and_return.rs | 34 +++++++++++++++ tests/ui/let_and_return.stderr | 72 ++++++++++++++++++++++++++++++- tests/ui/needless_return.fixed | 4 ++ tests/ui/needless_return.rs | 4 ++ tests/ui/needless_return.stderr | 14 +++++- 10 files changed, 203 insertions(+), 42 deletions(-) diff --git a/clippy_lints/src/dereference.rs b/clippy_lints/src/dereference.rs index c6aef9ac2d60..0276c64ef9b7 100644 --- a/clippy_lints/src/dereference.rs +++ b/clippy_lints/src/dereference.rs @@ -2,7 +2,9 @@ use clippy_utils::diagnostics::{span_lint_and_sugg, span_lint_hir_and_then}; use clippy_utils::source::{snippet_with_applicability, snippet_with_context}; use clippy_utils::sugg::has_enclosing_paren; use clippy_utils::ty::{implements_trait, is_manually_drop, peel_mid_ty_refs}; -use clippy_utils::{expr_use_ctxt, get_parent_expr, is_lint_allowed, path_to_local, DefinedTy, ExprUseNode}; +use clippy_utils::{ + expr_use_ctxt, get_parent_expr, is_block_like, is_lint_allowed, path_to_local, DefinedTy, ExprUseNode, +}; use core::mem; use rustc_ast::util::parser::{PREC_POSTFIX, PREC_PREFIX}; use rustc_data_structures::fx::FxIndexMap; @@ -1038,14 +1040,8 @@ fn report<'tcx>( ); }, State::ExplicitDeref { mutability } => { - if matches!( - expr.kind, - ExprKind::Block(..) - | ExprKind::ConstBlock(_) - | ExprKind::If(..) - | ExprKind::Loop(..) - | ExprKind::Match(..) - ) && let ty::Ref(_, ty, _) = data.adjusted_ty.kind() + if is_block_like(expr) + && let ty::Ref(_, ty, _) = data.adjusted_ty.kind() && ty.is_sized(cx.tcx, cx.param_env) { // Rustc bug: auto deref doesn't work on block expression when targeting sized types. diff --git a/clippy_lints/src/needless_bool.rs b/clippy_lints/src/needless_bool.rs index f9ee4a3dc93a..e1866eaa18a7 100644 --- a/clippy_lints/src/needless_bool.rs +++ b/clippy_lints/src/needless_bool.rs @@ -6,8 +6,8 @@ use clippy_utils::diagnostics::{span_lint, span_lint_and_sugg}; use clippy_utils::source::snippet_with_applicability; use clippy_utils::sugg::Sugg; use clippy_utils::{ - higher, is_else_clause, is_expn_of, is_parent_stmt, peel_blocks, peel_blocks_with_stmt, span_extract_comment, - SpanlessEq, + higher, is_block_like, is_else_clause, is_expn_of, is_parent_stmt, peel_blocks, peel_blocks_with_stmt, + span_extract_comment, SpanlessEq, }; use rustc_ast::ast::LitKind; use rustc_errors::Applicability; @@ -121,14 +121,7 @@ fn condition_needs_parentheses(e: &Expr<'_>) -> bool { | ExprKind::Type(i, _) | ExprKind::Index(i, _, _) = inner.kind { - if matches!( - i.kind, - ExprKind::Block(..) - | ExprKind::ConstBlock(..) - | ExprKind::If(..) - | ExprKind::Loop(..) - | ExprKind::Match(..) - ) { + if is_block_like(i) { return true; } inner = i; diff --git a/clippy_lints/src/returns.rs b/clippy_lints/src/returns.rs index e8f9d4381047..48d6fb3c0378 100644 --- a/clippy_lints/src/returns.rs +++ b/clippy_lints/src/returns.rs @@ -3,8 +3,8 @@ use clippy_utils::source::{snippet_opt, snippet_with_context}; use clippy_utils::sugg::has_enclosing_paren; use clippy_utils::visitors::{for_each_expr_with_closures, Descend}; use clippy_utils::{ - fn_def_id, is_from_proc_macro, is_inside_let_else, is_res_lang_ctor, path_res, path_to_local_id, span_contains_cfg, - span_find_starting_semi, + binary_expr_needs_parentheses, fn_def_id, is_from_proc_macro, is_inside_let_else, is_res_lang_ctor, path_res, + path_to_local_id, span_contains_cfg, span_find_starting_semi, }; use core::ops::ControlFlow; use rustc_errors::Applicability; @@ -129,7 +129,7 @@ enum RetReplacement<'tcx> { Empty, Block, Unit, - IfSequence(Cow<'tcx, str>, Applicability), + NeedsPar(Cow<'tcx, str>, Applicability), Expr(Cow<'tcx, str>, Applicability), } @@ -139,13 +139,13 @@ impl<'tcx> RetReplacement<'tcx> { Self::Empty | Self::Expr(..) => "remove `return`", Self::Block => "replace `return` with an empty block", Self::Unit => "replace `return` with a unit value", - Self::IfSequence(..) => "remove `return` and wrap the sequence with parentheses", + Self::NeedsPar(..) => "remove `return` and wrap the sequence with parentheses", } } fn applicability(&self) -> Applicability { match self { - Self::Expr(_, ap) | Self::IfSequence(_, ap) => *ap, + Self::Expr(_, ap) | Self::NeedsPar(_, ap) => *ap, _ => Applicability::MachineApplicable, } } @@ -157,7 +157,7 @@ impl<'tcx> Display for RetReplacement<'tcx> { Self::Empty => write!(f, ""), Self::Block => write!(f, "{{}}"), Self::Unit => write!(f, "()"), - Self::IfSequence(inner, _) => write!(f, "({inner})"), + Self::NeedsPar(inner, _) => write!(f, "({inner})"), Self::Expr(inner, _) => write!(f, "{inner}"), } } @@ -244,7 +244,11 @@ impl<'tcx> LateLintPass<'tcx> for Return { err.span_label(local.span, "unnecessary `let` binding"); if let Some(mut snippet) = snippet_opt(cx, initexpr.span) { - if !cx.typeck_results().expr_adjustments(retexpr).is_empty() { + if binary_expr_needs_parentheses(initexpr) { + if !has_enclosing_paren(&snippet) { + snippet = format!("({snippet})"); + } + } else if !cx.typeck_results().expr_adjustments(retexpr).is_empty() { if !has_enclosing_paren(&snippet) { snippet = format!("({snippet})"); } @@ -349,8 +353,8 @@ fn check_final_expr<'tcx>( let mut applicability = Applicability::MachineApplicable; let (snippet, _) = snippet_with_context(cx, inner_expr.span, ret_span.ctxt(), "..", &mut applicability); - if expr_contains_conjunctive_ifs(inner_expr) { - RetReplacement::IfSequence(snippet, applicability) + if binary_expr_needs_parentheses(inner_expr) { + RetReplacement::NeedsPar(snippet, applicability) } else { RetReplacement::Expr(snippet, applicability) } @@ -404,18 +408,6 @@ fn check_final_expr<'tcx>( } } -fn expr_contains_conjunctive_ifs<'tcx>(expr: &'tcx Expr<'tcx>) -> bool { - fn contains_if(expr: &Expr<'_>, on_if: bool) -> bool { - match expr.kind { - ExprKind::If(..) => on_if, - ExprKind::Binary(_, left, right) => contains_if(left, true) || contains_if(right, true), - _ => false, - } - } - - contains_if(expr, false) -} - fn emit_return_lint( cx: &LateContext<'_>, ret_span: Span, diff --git a/clippy_utils/src/lib.rs b/clippy_utils/src/lib.rs index 4c603bda770a..f0870e1b0e49 100644 --- a/clippy_utils/src/lib.rs +++ b/clippy_utils/src/lib.rs @@ -3370,3 +3370,25 @@ pub fn is_parent_stmt(cx: &LateContext<'_>, id: HirId) -> bool { Node::Stmt(..) | Node::Block(Block { stmts: &[], .. }) ) } + +/// Returns true if the given `expr` is a block or resembled as a block, +/// such as `if`, `loop`, `match` expressions etc. +pub fn is_block_like(expr: &Expr<'_>) -> bool { + matches!( + expr.kind, + ExprKind::Block(..) | ExprKind::ConstBlock(..) | ExprKind::If(..) | ExprKind::Loop(..) | ExprKind::Match(..) + ) +} + +/// Returns true if the given `expr` is binary expression that needs to be wrapped in parentheses. +pub fn binary_expr_needs_parentheses(expr: &Expr<'_>) -> bool { + fn contains_block(expr: &Expr<'_>, is_operand: bool) -> bool { + match expr.kind { + ExprKind::Binary(_, lhs, _) => contains_block(lhs, true), + _ if is_block_like(expr) => is_operand, + _ => false, + } + } + + contains_block(expr, false) +} diff --git a/tests/ui/let_and_return.fixed b/tests/ui/let_and_return.fixed index 4187019e5894..b68b41cdca23 100644 --- a/tests/ui/let_and_return.fixed +++ b/tests/ui/let_and_return.fixed @@ -210,4 +210,38 @@ fn issue9150() -> usize { x } +fn issue12801() { + fn left_is_if() -> String { + + (if true { "a".to_string() } else { "b".to_string() } + "c") + //~^ ERROR: returning the result of a `let` binding from a block + } + + fn no_par_needed() -> String { + + "c".to_string() + if true { "a" } else { "b" } + //~^ ERROR: returning the result of a `let` binding from a block + } + + fn conjunctive_blocks() -> String { + + ({ "a".to_string() } + "b" + { "c" } + "d") + //~^ ERROR: returning the result of a `let` binding from a block + } + + #[allow(clippy::overly_complex_bool_expr)] + fn other_ops() { + let _ = || { + + (if true { 2 } else { 3 } << 4) + //~^ ERROR: returning the result of a `let` binding from a block + }; + let _ = || { + + ({ true } || { false } && { 2 <= 3 }) + //~^ ERROR: returning the result of a `let` binding from a block + }; + } +} + fn main() {} diff --git a/tests/ui/let_and_return.rs b/tests/ui/let_and_return.rs index 54444957b7d5..6b9035f94288 100644 --- a/tests/ui/let_and_return.rs +++ b/tests/ui/let_and_return.rs @@ -210,4 +210,38 @@ fn issue9150() -> usize { x } +fn issue12801() { + fn left_is_if() -> String { + let s = if true { "a".to_string() } else { "b".to_string() } + "c"; + s + //~^ ERROR: returning the result of a `let` binding from a block + } + + fn no_par_needed() -> String { + let s = "c".to_string() + if true { "a" } else { "b" }; + s + //~^ ERROR: returning the result of a `let` binding from a block + } + + fn conjunctive_blocks() -> String { + let s = { "a".to_string() } + "b" + { "c" } + "d"; + s + //~^ ERROR: returning the result of a `let` binding from a block + } + + #[allow(clippy::overly_complex_bool_expr)] + fn other_ops() { + let _ = || { + let s = if true { 2 } else { 3 } << 4; + s + //~^ ERROR: returning the result of a `let` binding from a block + }; + let _ = || { + let s = { true } || { false } && { 2 <= 3 }; + s + //~^ ERROR: returning the result of a `let` binding from a block + }; + } +} + fn main() {} diff --git a/tests/ui/let_and_return.stderr b/tests/ui/let_and_return.stderr index ff5962ec196e..75efa05d770a 100644 --- a/tests/ui/let_and_return.stderr +++ b/tests/ui/let_and_return.stderr @@ -78,5 +78,75 @@ LL + E::B(x) => x, LL + }) as _ | -error: aborting due to 5 previous errors +error: returning the result of a `let` binding from a block + --> tests/ui/let_and_return.rs:216:9 + | +LL | let s = if true { "a".to_string() } else { "b".to_string() } + "c"; + | ------------------------------------------------------------------- unnecessary `let` binding +LL | s + | ^ + | +help: return the expression directly + | +LL ~ +LL ~ (if true { "a".to_string() } else { "b".to_string() } + "c") + | + +error: returning the result of a `let` binding from a block + --> tests/ui/let_and_return.rs:222:9 + | +LL | let s = "c".to_string() + if true { "a" } else { "b" }; + | ------------------------------------------------------- unnecessary `let` binding +LL | s + | ^ + | +help: return the expression directly + | +LL ~ +LL ~ "c".to_string() + if true { "a" } else { "b" } + | + +error: returning the result of a `let` binding from a block + --> tests/ui/let_and_return.rs:228:9 + | +LL | let s = { "a".to_string() } + "b" + { "c" } + "d"; + | -------------------------------------------------- unnecessary `let` binding +LL | s + | ^ + | +help: return the expression directly + | +LL ~ +LL ~ ({ "a".to_string() } + "b" + { "c" } + "d") + | + +error: returning the result of a `let` binding from a block + --> tests/ui/let_and_return.rs:236:13 + | +LL | let s = if true { 2 } else { 3 } << 4; + | -------------------------------------- unnecessary `let` binding +LL | s + | ^ + | +help: return the expression directly + | +LL ~ +LL ~ (if true { 2 } else { 3 } << 4) + | + +error: returning the result of a `let` binding from a block + --> tests/ui/let_and_return.rs:241:13 + | +LL | let s = { true } || { false } && { 2 <= 3 }; + | -------------------------------------------- unnecessary `let` binding +LL | s + | ^ + | +help: return the expression directly + | +LL ~ +LL ~ ({ true } || { false } && { 2 <= 3 }) + | + +error: aborting due to 10 previous errors diff --git a/tests/ui/needless_return.fixed b/tests/ui/needless_return.fixed index 2575f2449e18..a9271cb399d8 100644 --- a/tests/ui/needless_return.fixed +++ b/tests/ui/needless_return.fixed @@ -323,4 +323,8 @@ fn allow_works() -> i32 { } } +fn conjunctive_blocks() -> String { + ({ "a".to_string() } + "b" + { "c" }) +} + fn main() {} diff --git a/tests/ui/needless_return.rs b/tests/ui/needless_return.rs index 04f21834d885..dc888bf667f1 100644 --- a/tests/ui/needless_return.rs +++ b/tests/ui/needless_return.rs @@ -333,4 +333,8 @@ fn allow_works() -> i32 { } } +fn conjunctive_blocks() -> String { + return { "a".to_string() } + "b" + { "c" }; +} + fn main() {} diff --git a/tests/ui/needless_return.stderr b/tests/ui/needless_return.stderr index 758ff6d985cd..bf5a89d8b75d 100644 --- a/tests/ui/needless_return.stderr +++ b/tests/ui/needless_return.stderr @@ -653,5 +653,17 @@ LL - return if b1 { 0 } else { 1 } | if b2 { 2 } else { 3 } | if b3 { 4 LL + (if b1 { 0 } else { 1 } | if b2 { 2 } else { 3 } | if b3 { 4 } else { 5 }) | -error: aborting due to 52 previous errors +error: unneeded `return` statement + --> tests/ui/needless_return.rs:337:5 + | +LL | return { "a".to_string() } + "b" + { "c" }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: remove `return` and wrap the sequence with parentheses + | +LL - return { "a".to_string() } + "b" + { "c" }; +LL + ({ "a".to_string() } + "b" + { "c" }) + | + +error: aborting due to 53 previous errors From 699d28f968178e6b20084b2a71ba89b4de7562cf Mon Sep 17 00:00:00 2001 From: Noah Lev Date: Sun, 26 May 2024 12:28:47 -0700 Subject: [PATCH 0592/1716] rustdoc: Show "const" for const-unstable if also overall unstable If a const function is unstable overall (and thus, in all circumstances I know of, also const-unstable), we should show the option to use it as const. You need to enable a feature to use the function at all anyway. If the function is stabilized without also being const-stabilized, then we do not show the const keyword and instead show "const: unstable" in the version info. --- src/librustdoc/clean/types.rs | 7 +++--- src/librustdoc/html/format.rs | 29 +++++++++++++++--------- src/librustdoc/html/render/mod.rs | 8 ++++--- src/librustdoc/html/render/print_item.rs | 13 ++++++++++- tests/rustdoc/const-display.rs | 2 +- 5 files changed, 39 insertions(+), 20 deletions(-) diff --git a/src/librustdoc/clean/types.rs b/src/librustdoc/clean/types.rs index b54ec6245247..7425fb627e0d 100644 --- a/src/librustdoc/clean/types.rs +++ b/src/librustdoc/clean/types.rs @@ -627,7 +627,7 @@ impl Item { ) -> hir::FnHeader { let sig = tcx.fn_sig(def_id).skip_binder(); let constness = - if tcx.is_const_fn(def_id) && is_unstable_const_fn(tcx, def_id).is_none() { + if tcx.is_const_fn(def_id) || is_unstable_const_fn(tcx, def_id).is_some() { hir::Constness::Const } else { hir::Constness::NotConst @@ -649,9 +649,8 @@ impl Item { hir::Safety::Unsafe }, abi, - constness: if abi == Abi::RustIntrinsic - && tcx.is_const_fn(def_id) - && is_unstable_const_fn(tcx, def_id).is_none() + constness: if tcx.is_const_fn(def_id) + || is_unstable_const_fn(tcx, def_id).is_some() { hir::Constness::Const } else { diff --git a/src/librustdoc/html/format.rs b/src/librustdoc/html/format.rs index 587c464b0ed1..57949001774f 100644 --- a/src/librustdoc/html/format.rs +++ b/src/librustdoc/html/format.rs @@ -13,7 +13,7 @@ use std::fmt::{self, Display, Write}; use std::iter::{self, once}; use rustc_ast as ast; -use rustc_attr::{ConstStability, StabilityLevel}; +use rustc_attr::{ConstStability, StabilityLevel, StableSince}; use rustc_data_structures::captures::Captures; use rustc_data_structures::fx::FxHashSet; use rustc_hir as hir; @@ -1633,17 +1633,24 @@ impl PrintWithSpace for hir::Mutability { pub(crate) fn print_constness_with_space( c: &hir::Constness, - s: Option, + overall_stab: Option, + const_stab: Option, ) -> &'static str { - match (c, s) { - // const stable or when feature(staged_api) is not set - ( - hir::Constness::Const, - Some(ConstStability { level: StabilityLevel::Stable { .. }, .. }), - ) - | (hir::Constness::Const, None) => "const ", - // const unstable or not const - _ => "", + match c { + hir::Constness::Const => match (overall_stab, const_stab) { + // const stable... + (_, Some(ConstStability { level: StabilityLevel::Stable { .. }, .. })) + // ...or when feature(staged_api) is not set... + | (_, None) + // ...or when const unstable, but overall unstable too + | (None, Some(ConstStability { level: StabilityLevel::Unstable { .. }, .. })) => { + "const " + } + // const unstable (and overall stable) + (Some(_), Some(ConstStability { level: StabilityLevel::Unstable { .. }, .. })) => "", + }, + // not const + hir::Constness::NotConst => "", } } diff --git a/src/librustdoc/html/render/mod.rs b/src/librustdoc/html/render/mod.rs index 1d0bc3286415..8ee4cc5c75e4 100644 --- a/src/librustdoc/html/render/mod.rs +++ b/src/librustdoc/html/render/mod.rs @@ -928,9 +928,11 @@ fn assoc_method( // FIXME: Once https://github.com/rust-lang/rust/issues/67792 is implemented, we can remove // this condition. let constness = match render_mode { - RenderMode::Normal => { - print_constness_with_space(&header.constness, meth.const_stability(tcx)) - } + RenderMode::Normal => print_constness_with_space( + &header.constness, + meth.stable_since(tcx), + meth.const_stability(tcx), + ), RenderMode::ForDeref { .. } => "", }; let asyncness = header.asyncness.print_with_space(); diff --git a/src/librustdoc/html/render/print_item.rs b/src/librustdoc/html/render/print_item.rs index c7a23aa8503a..c5b88c7a951f 100644 --- a/src/librustdoc/html/render/print_item.rs +++ b/src/librustdoc/html/render/print_item.rs @@ -615,7 +615,18 @@ fn extra_info_tags<'a, 'tcx: 'a>( fn item_function(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item, f: &clean::Function) { let tcx = cx.tcx(); let header = it.fn_header(tcx).expect("printing a function which isn't a function"); - let constness = print_constness_with_space(&header.constness, it.const_stability(tcx)); + debug!( + "item_function/const: {:?} {:?} {:?} {:?}", + it.name, + &header.constness, + it.stable_since(tcx), + it.const_stability(tcx), + ); + let constness = print_constness_with_space( + &header.constness, + it.stable_since(tcx), + it.const_stability(tcx), + ); let safety = header.safety.print_with_space(); let abi = print_abi_with_space(header.abi).to_string(); let asyncness = header.asyncness.print_with_space(); diff --git a/tests/rustdoc/const-display.rs b/tests/rustdoc/const-display.rs index 35665f2aef93..959a00102b7e 100644 --- a/tests/rustdoc/const-display.rs +++ b/tests/rustdoc/const-display.rs @@ -24,7 +24,7 @@ pub const unsafe fn foo_unsafe() -> u32 { 42 } #[unstable(feature = "humans", issue = "none")] pub const fn foo2() -> u32 { 42 } -// @has 'foo/fn.foo3.html' '//pre' 'pub fn foo3() -> u32' +// @has 'foo/fn.foo3.html' '//pre' 'pub const fn foo3() -> u32' // @!hasraw - '//span[@class="since"]' #[unstable(feature = "humans", issue = "none")] #[rustc_const_unstable(feature = "humans", issue = "none")] From 36d36a3e1f3d761bed333b8eb41f7f70517fada0 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Sun, 26 May 2024 20:20:43 +0200 Subject: [PATCH 0593/1716] interpret: the MIR is actually at lifetime 'tcx --- .../src/const_eval/dummy_machine.rs | 10 +++---- .../rustc_const_eval/src/const_eval/error.rs | 13 ++++----- .../src/const_eval/eval_queries.rs | 10 +++---- .../src/const_eval/machine.rs | 20 ++++++------- .../src/interpret/eval_context.rs | 26 ++++++++--------- .../rustc_const_eval/src/interpret/intern.rs | 2 +- .../rustc_const_eval/src/interpret/machine.rs | 14 +++++----- .../rustc_const_eval/src/interpret/util.rs | 2 +- src/tools/miri/src/borrow_tracker/mod.rs | 2 +- src/tools/miri/src/concurrency/thread.rs | 28 +++++++++++-------- src/tools/miri/src/helpers.rs | 4 +-- src/tools/miri/src/machine.rs | 14 +++++----- src/tools/miri/src/shims/foreign_items.rs | 4 +-- 13 files changed, 75 insertions(+), 74 deletions(-) diff --git a/compiler/rustc_const_eval/src/const_eval/dummy_machine.rs b/compiler/rustc_const_eval/src/const_eval/dummy_machine.rs index 530a05a1ed88..882c01f6e4be 100644 --- a/compiler/rustc_const_eval/src/const_eval/dummy_machine.rs +++ b/compiler/rustc_const_eval/src/const_eval/dummy_machine.rs @@ -90,7 +90,7 @@ impl<'mir, 'tcx: 'mir> interpret::Machine<'mir, 'tcx> for DummyMachine { _destination: &interpret::MPlaceTy<'tcx, Self::Provenance>, _target: Option, _unwind: UnwindAction, - ) -> interpret::InterpResult<'tcx, Option<(&'mir Body<'tcx>, ty::Instance<'tcx>)>> { + ) -> interpret::InterpResult<'tcx, Option<(&'tcx Body<'tcx>, ty::Instance<'tcx>)>> { unimplemented!() } @@ -176,24 +176,24 @@ impl<'mir, 'tcx: 'mir> interpret::Machine<'mir, 'tcx> for DummyMachine { fn init_frame_extra( _ecx: &mut InterpCx<'mir, 'tcx, Self>, - _frame: interpret::Frame<'mir, 'tcx, Self::Provenance>, + _frame: interpret::Frame<'tcx, Self::Provenance>, ) -> interpret::InterpResult< 'tcx, - interpret::Frame<'mir, 'tcx, Self::Provenance, Self::FrameExtra>, + interpret::Frame<'tcx, Self::Provenance, Self::FrameExtra>, > { unimplemented!() } fn stack<'a>( _ecx: &'a InterpCx<'mir, 'tcx, Self>, - ) -> &'a [interpret::Frame<'mir, 'tcx, Self::Provenance, Self::FrameExtra>] { + ) -> &'a [interpret::Frame<'tcx, Self::Provenance, Self::FrameExtra>] { // Return an empty stack instead of panicking, as `cur_span` uses it to evaluate constants. &[] } fn stack_mut<'a>( _ecx: &'a mut InterpCx<'mir, 'tcx, Self>, - ) -> &'a mut Vec> { + ) -> &'a mut Vec> { unimplemented!() } } diff --git a/compiler/rustc_const_eval/src/const_eval/error.rs b/compiler/rustc_const_eval/src/const_eval/error.rs index 650669ac690b..923b9ddf9afb 100644 --- a/compiler/rustc_const_eval/src/const_eval/error.rs +++ b/compiler/rustc_const_eval/src/const_eval/error.rs @@ -58,13 +58,10 @@ impl<'tcx> Into> for ConstEvalErrKind { } } -pub fn get_span_and_frames<'tcx, 'mir>( +pub fn get_span_and_frames<'tcx>( tcx: TyCtxtAt<'tcx>, - stack: &[Frame<'mir, 'tcx, impl Provenance, impl Sized>], -) -> (Span, Vec) -where - 'tcx: 'mir, -{ + stack: &[Frame<'tcx, impl Provenance, impl Sized>], +) -> (Span, Vec) { let mut stacktrace = Frame::generate_stacktrace_from_stack(stack); // Filter out `requires_caller_location` frames. stacktrace.retain(|frame| !frame.instance.def.requires_caller_location(*tcx)); @@ -161,9 +158,9 @@ where /// Emit a lint from a const-eval situation. // Even if this is unused, please don't remove it -- chances are we will need to emit a lint during const-eval again in the future! -pub(super) fn lint<'tcx, 'mir, L>( +pub(super) fn lint<'tcx, L>( tcx: TyCtxtAt<'tcx>, - machine: &CompileTimeInterpreter<'mir, 'tcx>, + machine: &CompileTimeInterpreter<'tcx>, lint: &'static rustc_session::lint::Lint, decorator: impl FnOnce(Vec) -> L, ) where diff --git a/compiler/rustc_const_eval/src/const_eval/eval_queries.rs b/compiler/rustc_const_eval/src/const_eval/eval_queries.rs index 966951e7d9a4..d4703f8e14ae 100644 --- a/compiler/rustc_const_eval/src/const_eval/eval_queries.rs +++ b/compiler/rustc_const_eval/src/const_eval/eval_queries.rs @@ -34,7 +34,7 @@ use crate::CTRL_C_RECEIVED; fn eval_body_using_ecx<'mir, 'tcx, R: InterpretationResult<'tcx>>( ecx: &mut CompileTimeEvalContext<'mir, 'tcx>, cid: GlobalId<'tcx>, - body: &'mir mir::Body<'tcx>, + body: &'tcx mir::Body<'tcx>, ) -> InterpResult<'tcx, R> { trace!(?ecx.param_env); let tcx = *ecx.tcx; @@ -328,14 +328,14 @@ pub trait InterpretationResult<'tcx> { /// evaluation query. fn make_result<'mir>( mplace: MPlaceTy<'tcx>, - ecx: &mut InterpCx<'mir, 'tcx, CompileTimeInterpreter<'mir, 'tcx>>, + ecx: &mut InterpCx<'mir, 'tcx, CompileTimeInterpreter<'tcx>>, ) -> Self; } impl<'tcx> InterpretationResult<'tcx> for ConstAlloc<'tcx> { fn make_result<'mir>( mplace: MPlaceTy<'tcx>, - _ecx: &mut InterpCx<'mir, 'tcx, CompileTimeInterpreter<'mir, 'tcx>>, + _ecx: &mut InterpCx<'mir, 'tcx, CompileTimeInterpreter<'tcx>>, ) -> Self { ConstAlloc { alloc_id: mplace.ptr().provenance.unwrap().alloc_id(), ty: mplace.layout.ty } } @@ -417,7 +417,7 @@ fn eval_in_interpreter<'tcx, R: InterpretationResult<'tcx>>( #[inline(always)] fn const_validate_mplace<'mir, 'tcx>( - ecx: &InterpCx<'mir, 'tcx, CompileTimeInterpreter<'mir, 'tcx>>, + ecx: &InterpCx<'mir, 'tcx, CompileTimeInterpreter<'tcx>>, mplace: &MPlaceTy<'tcx>, cid: GlobalId<'tcx>, ) -> Result<(), ErrorHandled> { @@ -447,7 +447,7 @@ fn const_validate_mplace<'mir, 'tcx>( #[inline(always)] fn report_validation_error<'mir, 'tcx>( - ecx: &InterpCx<'mir, 'tcx, CompileTimeInterpreter<'mir, 'tcx>>, + ecx: &InterpCx<'mir, 'tcx, CompileTimeInterpreter<'tcx>>, error: InterpErrorInfo<'tcx>, alloc_id: AllocId, ) -> ErrorHandled { diff --git a/compiler/rustc_const_eval/src/const_eval/machine.rs b/compiler/rustc_const_eval/src/const_eval/machine.rs index b8b4426c2ec6..9c672120ef8a 100644 --- a/compiler/rustc_const_eval/src/const_eval/machine.rs +++ b/compiler/rustc_const_eval/src/const_eval/machine.rs @@ -45,7 +45,7 @@ const TINY_LINT_TERMINATOR_LIMIT: usize = 20; const PROGRESS_INDICATOR_START: usize = 4_000_000; /// Extra machine state for CTFE, and the Machine instance -pub struct CompileTimeInterpreter<'mir, 'tcx> { +pub struct CompileTimeInterpreter<'tcx> { /// The number of terminators that have been evaluated. /// /// This is used to produce lints informing the user that the compiler is not stuck. @@ -53,7 +53,7 @@ pub struct CompileTimeInterpreter<'mir, 'tcx> { pub(super) num_evaluated_steps: usize, /// The virtual call stack. - pub(super) stack: Vec>, + pub(super) stack: Vec>, /// Pattern matching on consts with references would be unsound if those references /// could point to anything mutable. Therefore, when evaluating consts and when constructing valtrees, @@ -90,7 +90,7 @@ impl From for CanAccessMutGlobal { } } -impl<'mir, 'tcx> CompileTimeInterpreter<'mir, 'tcx> { +impl<'tcx> CompileTimeInterpreter<'tcx> { pub(crate) fn new( can_access_mut_global: CanAccessMutGlobal, check_alignment: CheckAlignment, @@ -165,7 +165,7 @@ impl interpret::AllocMap for FxIndexMap { } pub(crate) type CompileTimeEvalContext<'mir, 'tcx> = - InterpCx<'mir, 'tcx, CompileTimeInterpreter<'mir, 'tcx>>; + InterpCx<'mir, 'tcx, CompileTimeInterpreter<'tcx>>; #[derive(Debug, PartialEq, Eq, Copy, Clone)] pub enum MemoryKind { @@ -371,7 +371,7 @@ impl<'mir, 'tcx: 'mir> CompileTimeEvalContext<'mir, 'tcx> { } } -impl<'mir, 'tcx> interpret::Machine<'mir, 'tcx> for CompileTimeInterpreter<'mir, 'tcx> { +impl<'mir, 'tcx: 'mir> interpret::Machine<'mir, 'tcx> for CompileTimeInterpreter<'tcx> { compile_time_machine!(<'mir, 'tcx>); type MemoryKind = MemoryKind; @@ -417,7 +417,7 @@ impl<'mir, 'tcx> interpret::Machine<'mir, 'tcx> for CompileTimeInterpreter<'mir, dest: &MPlaceTy<'tcx>, ret: Option, _unwind: mir::UnwindAction, // unwinding is not supported in consts - ) -> InterpResult<'tcx, Option<(&'mir mir::Body<'tcx>, ty::Instance<'tcx>)>> { + ) -> InterpResult<'tcx, Option<(&'tcx mir::Body<'tcx>, ty::Instance<'tcx>)>> { debug!("find_mir_or_eval_fn: {:?}", orig_instance); // Replace some functions. @@ -658,8 +658,8 @@ impl<'mir, 'tcx> interpret::Machine<'mir, 'tcx> for CompileTimeInterpreter<'mir, #[inline(always)] fn init_frame_extra( ecx: &mut InterpCx<'mir, 'tcx, Self>, - frame: Frame<'mir, 'tcx>, - ) -> InterpResult<'tcx, Frame<'mir, 'tcx>> { + frame: Frame<'tcx>, + ) -> InterpResult<'tcx, Frame<'tcx>> { // Enforce stack size limit. Add 1 because this is run before the new frame is pushed. if !ecx.recursion_limit.value_within_limit(ecx.stack().len() + 1) { throw_exhaust!(StackFrameLimitReached) @@ -671,14 +671,14 @@ impl<'mir, 'tcx> interpret::Machine<'mir, 'tcx> for CompileTimeInterpreter<'mir, #[inline(always)] fn stack<'a>( ecx: &'a InterpCx<'mir, 'tcx, Self>, - ) -> &'a [Frame<'mir, 'tcx, Self::Provenance, Self::FrameExtra>] { + ) -> &'a [Frame<'tcx, Self::Provenance, Self::FrameExtra>] { &ecx.machine.stack } #[inline(always)] fn stack_mut<'a>( ecx: &'a mut InterpCx<'mir, 'tcx, Self>, - ) -> &'a mut Vec> { + ) -> &'a mut Vec> { &mut ecx.machine.stack } diff --git a/compiler/rustc_const_eval/src/interpret/eval_context.rs b/compiler/rustc_const_eval/src/interpret/eval_context.rs index d82623fa0094..235002c17f2c 100644 --- a/compiler/rustc_const_eval/src/interpret/eval_context.rs +++ b/compiler/rustc_const_eval/src/interpret/eval_context.rs @@ -90,12 +90,12 @@ impl Drop for SpanGuard { } /// A stack frame. -pub struct Frame<'mir, 'tcx, Prov: Provenance = CtfeProvenance, Extra = ()> { +pub struct Frame<'tcx, Prov: Provenance = CtfeProvenance, Extra = ()> { //////////////////////////////////////////////////////////////////////////////// // Function and callsite information //////////////////////////////////////////////////////////////////////////////// /// The MIR for the function called on this frame. - pub body: &'mir mir::Body<'tcx>, + pub body: &'tcx mir::Body<'tcx>, /// The def_id and args of the current function. pub instance: ty::Instance<'tcx>, @@ -232,8 +232,8 @@ impl<'tcx, Prov: Provenance> LocalState<'tcx, Prov> { } } -impl<'mir, 'tcx, Prov: Provenance> Frame<'mir, 'tcx, Prov> { - pub fn with_extra(self, extra: Extra) -> Frame<'mir, 'tcx, Prov, Extra> { +impl<'tcx, Prov: Provenance> Frame<'tcx, Prov> { + pub fn with_extra(self, extra: Extra) -> Frame<'tcx, Prov, Extra> { Frame { body: self.body, instance: self.instance, @@ -247,7 +247,7 @@ impl<'mir, 'tcx, Prov: Provenance> Frame<'mir, 'tcx, Prov> { } } -impl<'mir, 'tcx, Prov: Provenance, Extra> Frame<'mir, 'tcx, Prov, Extra> { +impl<'tcx, Prov: Provenance, Extra> Frame<'tcx, Prov, Extra> { /// Get the current location within the Frame. /// /// If this is `Left`, we are not currently executing any particular statement in @@ -517,14 +517,12 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { } #[inline(always)] - pub(crate) fn stack(&self) -> &[Frame<'mir, 'tcx, M::Provenance, M::FrameExtra>] { + pub(crate) fn stack(&self) -> &[Frame<'tcx, M::Provenance, M::FrameExtra>] { M::stack(self) } #[inline(always)] - pub(crate) fn stack_mut( - &mut self, - ) -> &mut Vec> { + pub(crate) fn stack_mut(&mut self) -> &mut Vec> { M::stack_mut(self) } @@ -536,12 +534,12 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { } #[inline(always)] - pub fn frame(&self) -> &Frame<'mir, 'tcx, M::Provenance, M::FrameExtra> { + pub fn frame(&self) -> &Frame<'tcx, M::Provenance, M::FrameExtra> { self.stack().last().expect("no call frames exist") } #[inline(always)] - pub fn frame_mut(&mut self) -> &mut Frame<'mir, 'tcx, M::Provenance, M::FrameExtra> { + pub fn frame_mut(&mut self) -> &mut Frame<'tcx, M::Provenance, M::FrameExtra> { self.stack_mut().last_mut().expect("no call frames exist") } @@ -602,7 +600,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { T: TypeFoldable>, >( &self, - frame: &Frame<'mir, 'tcx, M::Provenance, M::FrameExtra>, + frame: &Frame<'tcx, M::Provenance, M::FrameExtra>, value: T, ) -> Result { frame @@ -680,7 +678,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { #[inline(always)] pub(super) fn layout_of_local( &self, - frame: &Frame<'mir, 'tcx, M::Provenance, M::FrameExtra>, + frame: &Frame<'tcx, M::Provenance, M::FrameExtra>, local: mir::Local, layout: Option>, ) -> InterpResult<'tcx, TyAndLayout<'tcx>> { @@ -803,7 +801,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { pub fn push_stack_frame( &mut self, instance: ty::Instance<'tcx>, - body: &'mir mir::Body<'tcx>, + body: &'tcx mir::Body<'tcx>, return_place: &MPlaceTy<'tcx, M::Provenance>, return_to_block: StackPopCleanup, ) -> InterpResult<'tcx> { diff --git a/compiler/rustc_const_eval/src/interpret/intern.rs b/compiler/rustc_const_eval/src/interpret/intern.rs index c34b658fb373..b95bf3382dee 100644 --- a/compiler/rustc_const_eval/src/interpret/intern.rs +++ b/compiler/rustc_const_eval/src/interpret/intern.rs @@ -46,7 +46,7 @@ pub trait HasStaticRootDefId { fn static_def_id(&self) -> Option; } -impl HasStaticRootDefId for const_eval::CompileTimeInterpreter<'_, '_> { +impl HasStaticRootDefId for const_eval::CompileTimeInterpreter<'_> { fn static_def_id(&self) -> Option { Some(self.static_root_ids?.1) } diff --git a/compiler/rustc_const_eval/src/interpret/machine.rs b/compiler/rustc_const_eval/src/interpret/machine.rs index 72a16dbe4d6a..95febd86850c 100644 --- a/compiler/rustc_const_eval/src/interpret/machine.rs +++ b/compiler/rustc_const_eval/src/interpret/machine.rs @@ -200,7 +200,7 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized { destination: &MPlaceTy<'tcx, Self::Provenance>, target: Option, unwind: mir::UnwindAction, - ) -> InterpResult<'tcx, Option<(&'mir mir::Body<'tcx>, ty::Instance<'tcx>)>>; + ) -> InterpResult<'tcx, Option<(&'tcx mir::Body<'tcx>, ty::Instance<'tcx>)>>; /// Execute `fn_val`. It is the hook's responsibility to advance the instruction /// pointer as appropriate. @@ -478,18 +478,18 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized { /// Called immediately before a new stack frame gets pushed. fn init_frame_extra( ecx: &mut InterpCx<'mir, 'tcx, Self>, - frame: Frame<'mir, 'tcx, Self::Provenance>, - ) -> InterpResult<'tcx, Frame<'mir, 'tcx, Self::Provenance, Self::FrameExtra>>; + frame: Frame<'tcx, Self::Provenance>, + ) -> InterpResult<'tcx, Frame<'tcx, Self::Provenance, Self::FrameExtra>>; /// Borrow the current thread's stack. fn stack<'a>( ecx: &'a InterpCx<'mir, 'tcx, Self>, - ) -> &'a [Frame<'mir, 'tcx, Self::Provenance, Self::FrameExtra>]; + ) -> &'a [Frame<'tcx, Self::Provenance, Self::FrameExtra>]; /// Mutably borrow the current thread's stack. fn stack_mut<'a>( ecx: &'a mut InterpCx<'mir, 'tcx, Self>, - ) -> &'a mut Vec>; + ) -> &'a mut Vec>; /// Called immediately after a stack frame got pushed and its locals got initialized. fn after_stack_push(_ecx: &mut InterpCx<'mir, 'tcx, Self>) -> InterpResult<'tcx> { @@ -499,7 +499,7 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized { /// Called just before the return value is copied to the caller-provided return place. fn before_stack_pop( _ecx: &InterpCx<'mir, 'tcx, Self>, - _frame: &Frame<'mir, 'tcx, Self::Provenance, Self::FrameExtra>, + _frame: &Frame<'tcx, Self::Provenance, Self::FrameExtra>, ) -> InterpResult<'tcx> { Ok(()) } @@ -509,7 +509,7 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized { #[inline(always)] fn after_stack_pop( _ecx: &mut InterpCx<'mir, 'tcx, Self>, - _frame: Frame<'mir, 'tcx, Self::Provenance, Self::FrameExtra>, + _frame: Frame<'tcx, Self::Provenance, Self::FrameExtra>, unwinding: bool, ) -> InterpResult<'tcx, StackPopJump> { // By default, we do not support unwinding from panics diff --git a/compiler/rustc_const_eval/src/interpret/util.rs b/compiler/rustc_const_eval/src/interpret/util.rs index f0f9df73d947..e7fc7d0e4efd 100644 --- a/compiler/rustc_const_eval/src/interpret/util.rs +++ b/compiler/rustc_const_eval/src/interpret/util.rs @@ -84,7 +84,7 @@ where impl<'tcx> InterpretationResult<'tcx> for mir::interpret::ConstAllocation<'tcx> { fn make_result<'mir>( mplace: MPlaceTy<'tcx>, - ecx: &mut InterpCx<'mir, 'tcx, CompileTimeInterpreter<'mir, 'tcx>>, + ecx: &mut InterpCx<'mir, 'tcx, CompileTimeInterpreter<'tcx>>, ) -> Self { let alloc_id = mplace.ptr().provenance.unwrap().alloc_id(); let alloc = ecx.memory.alloc_map.swap_remove(&alloc_id).unwrap().1; diff --git a/src/tools/miri/src/borrow_tracker/mod.rs b/src/tools/miri/src/borrow_tracker/mod.rs index 24e2a9a74bbe..6884fecdf8a6 100644 --- a/src/tools/miri/src/borrow_tracker/mod.rs +++ b/src/tools/miri/src/borrow_tracker/mod.rs @@ -354,7 +354,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { fn on_stack_pop( &self, - frame: &Frame<'mir, 'tcx, Provenance, FrameExtra<'tcx>>, + frame: &Frame<'tcx, Provenance, FrameExtra<'tcx>>, ) -> InterpResult<'tcx> { let this = self.eval_context_ref(); let borrow_tracker = this.machine.borrow_tracker.as_ref().unwrap(); diff --git a/src/tools/miri/src/concurrency/thread.rs b/src/tools/miri/src/concurrency/thread.rs index c948383d597d..b79ac32a77e0 100644 --- a/src/tools/miri/src/concurrency/thread.rs +++ b/src/tools/miri/src/concurrency/thread.rs @@ -9,6 +9,7 @@ use std::time::{Duration, SystemTime}; use either::Either; use rustc_const_eval::CTRL_C_RECEIVED; +use rustc_data_structures::captures::Captures; use rustc_data_structures::fx::FxHashMap; use rustc_hir::def_id::DefId; use rustc_index::{Idx, IndexVec}; @@ -235,7 +236,7 @@ pub struct Thread<'mir, 'tcx> { thread_name: Option>, /// The virtual call stack. - stack: Vec>>, + stack: Vec>>, /// The function to call when the stack ran empty, to figure out what to do next. /// Conceptually, this is the interpreter implementation of the things that happen 'after' the @@ -376,7 +377,7 @@ impl VisitProvenance for Thread<'_, '_> { } } -impl VisitProvenance for Frame<'_, '_, Provenance, FrameExtra<'_>> { +impl VisitProvenance for Frame<'_, Provenance, FrameExtra<'_>> { fn visit_provenance(&self, visit: &mut VisitWith<'_>) { let Frame { return_place, @@ -505,19 +506,18 @@ impl<'mir, 'tcx: 'mir> ThreadManager<'mir, 'tcx> { } /// Borrow the stack of the active thread. - pub fn active_thread_stack(&self) -> &[Frame<'mir, 'tcx, Provenance, FrameExtra<'tcx>>] { + pub fn active_thread_stack(&self) -> &[Frame<'tcx, Provenance, FrameExtra<'tcx>>] { &self.threads[self.active_thread].stack } /// Mutably borrow the stack of the active thread. - fn active_thread_stack_mut( - &mut self, - ) -> &mut Vec>> { + fn active_thread_stack_mut(&mut self) -> &mut Vec>> { &mut self.threads[self.active_thread].stack } pub fn all_stacks( &self, - ) -> impl Iterator>])> { + ) -> impl Iterator>])> + Captures<'mir> + { self.threads.iter_enumerated().map(|(id, t)| (id, &t.stack[..])) } @@ -1099,15 +1099,21 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } #[inline] - fn active_thread_stack(&self) -> &[Frame<'mir, 'tcx, Provenance, FrameExtra<'tcx>>] { + fn active_thread_stack<'a>(&'a self) -> &'a [Frame<'tcx, Provenance, FrameExtra<'tcx>>] + where + 'mir: 'a, + { let this = self.eval_context_ref(); this.machine.threads.active_thread_stack() } #[inline] - fn active_thread_stack_mut( - &mut self, - ) -> &mut Vec>> { + fn active_thread_stack_mut<'a>( + &'a mut self, + ) -> &'a mut Vec>> + where + 'mir: 'a, + { let this = self.eval_context_mut(); this.machine.threads.active_thread_stack_mut() } diff --git a/src/tools/miri/src/helpers.rs b/src/tools/miri/src/helpers.rs index bd160380cd52..f15f41ff71a2 100644 --- a/src/tools/miri/src/helpers.rs +++ b/src/tools/miri/src/helpers.rs @@ -1321,7 +1321,7 @@ impl<'mir, 'tcx> MiriMachine<'mir, 'tcx> { self.stack()[frame_idx].current_span() } - fn stack(&self) -> &[Frame<'mir, 'tcx, Provenance, machine::FrameExtra<'tcx>>] { + fn stack(&self) -> &[Frame<'tcx, Provenance, machine::FrameExtra<'tcx>>] { self.threads.active_thread_stack() } @@ -1330,7 +1330,7 @@ impl<'mir, 'tcx> MiriMachine<'mir, 'tcx> { } /// This is the source of truth for the `is_user_relevant` flag in our `FrameExtra`. - pub fn is_user_relevant(&self, frame: &Frame<'mir, 'tcx, Provenance>) -> bool { + pub fn is_user_relevant(&self, frame: &Frame<'tcx, Provenance>) -> bool { let def_id = frame.instance.def_id(); (def_id.is_local() || self.local_crates.contains(&def_id.krate)) && !frame.instance.def.requires_caller_location(self.tcx) diff --git a/src/tools/miri/src/machine.rs b/src/tools/miri/src/machine.rs index e09fd2122f8c..d610db9b58b3 100644 --- a/src/tools/miri/src/machine.rs +++ b/src/tools/miri/src/machine.rs @@ -949,7 +949,7 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { dest: &MPlaceTy<'tcx, Provenance>, ret: Option, unwind: mir::UnwindAction, - ) -> InterpResult<'tcx, Option<(&'mir mir::Body<'tcx>, ty::Instance<'tcx>)>> { + ) -> InterpResult<'tcx, Option<(&'tcx mir::Body<'tcx>, ty::Instance<'tcx>)>> { // For foreign items, try to see if we can emulate them. if ecx.tcx.is_foreign_item(instance.def_id()) { // An external function call that does not have a MIR body. We either find MIR elsewhere @@ -1359,8 +1359,8 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { #[inline(always)] fn init_frame_extra( ecx: &mut InterpCx<'mir, 'tcx, Self>, - frame: Frame<'mir, 'tcx, Provenance>, - ) -> InterpResult<'tcx, Frame<'mir, 'tcx, Provenance, FrameExtra<'tcx>>> { + frame: Frame<'tcx, Provenance>, + ) -> InterpResult<'tcx, Frame<'tcx, Provenance, FrameExtra<'tcx>>> { // Start recording our event before doing anything else let timing = if let Some(profiler) = ecx.machine.profiler.as_ref() { let fn_name = frame.instance.to_string(); @@ -1391,13 +1391,13 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { fn stack<'a>( ecx: &'a InterpCx<'mir, 'tcx, Self>, - ) -> &'a [Frame<'mir, 'tcx, Self::Provenance, Self::FrameExtra>] { + ) -> &'a [Frame<'tcx, Self::Provenance, Self::FrameExtra>] { ecx.active_thread_stack() } fn stack_mut<'a>( ecx: &'a mut InterpCx<'mir, 'tcx, Self>, - ) -> &'a mut Vec> { + ) -> &'a mut Vec> { ecx.active_thread_stack_mut() } @@ -1444,7 +1444,7 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { fn before_stack_pop( ecx: &InterpCx<'mir, 'tcx, Self>, - frame: &Frame<'mir, 'tcx, Self::Provenance, Self::FrameExtra>, + frame: &Frame<'tcx, Self::Provenance, Self::FrameExtra>, ) -> InterpResult<'tcx> { // We want this *before* the return value copy, because the return place itself is protected // until we do `end_call` here. @@ -1461,7 +1461,7 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { #[inline(always)] fn after_stack_pop( ecx: &mut InterpCx<'mir, 'tcx, Self>, - frame: Frame<'mir, 'tcx, Provenance, FrameExtra<'tcx>>, + frame: Frame<'tcx, Provenance, FrameExtra<'tcx>>, unwinding: bool, ) -> InterpResult<'tcx, StackPopJump> { if frame.extra.is_user_relevant { diff --git a/src/tools/miri/src/shims/foreign_items.rs b/src/tools/miri/src/shims/foreign_items.rs index eccccb4a4497..a6baf748117f 100644 --- a/src/tools/miri/src/shims/foreign_items.rs +++ b/src/tools/miri/src/shims/foreign_items.rs @@ -44,7 +44,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { dest: &MPlaceTy<'tcx, Provenance>, ret: Option, unwind: mir::UnwindAction, - ) -> InterpResult<'tcx, Option<(&'mir mir::Body<'tcx>, ty::Instance<'tcx>)>> { + ) -> InterpResult<'tcx, Option<(&'tcx mir::Body<'tcx>, ty::Instance<'tcx>)>> { let this = self.eval_context_mut(); let tcx = this.tcx.tcx; @@ -137,7 +137,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { fn lookup_exported_symbol( &mut self, link_name: Symbol, - ) -> InterpResult<'tcx, Option<(&'mir mir::Body<'tcx>, ty::Instance<'tcx>)>> { + ) -> InterpResult<'tcx, Option<(&'tcx mir::Body<'tcx>, ty::Instance<'tcx>)>> { let this = self.eval_context_mut(); let tcx = this.tcx.tcx; From e8379c9598d703ec26b967e9654d016c21497beb Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Mon, 27 May 2024 08:24:23 +0200 Subject: [PATCH 0594/1716] interpret: get rid of 'mir lifetime everywhere --- .../src/const_eval/dummy_machine.rs | 32 +++--- .../src/const_eval/eval_queries.rs | 30 +++--- .../src/const_eval/machine.rs | 42 ++++---- .../src/const_eval/valtrees.rs | 14 +-- .../rustc_const_eval/src/interpret/cast.rs | 9 +- .../src/interpret/discriminant.rs | 2 +- .../src/interpret/eval_context.rs | 35 +++---- .../rustc_const_eval/src/interpret/intern.rs | 33 ++----- .../src/interpret/intrinsics.rs | 32 +++--- .../rustc_const_eval/src/interpret/machine.rs | 97 +++++++++--------- .../rustc_const_eval/src/interpret/memory.rs | 24 ++--- .../rustc_const_eval/src/interpret/operand.rs | 18 ++-- .../src/interpret/operator.rs | 2 +- .../rustc_const_eval/src/interpret/place.rs | 36 +++---- .../src/interpret/projection.rs | 28 +++--- .../rustc_const_eval/src/interpret/step.rs | 2 +- .../src/interpret/terminator.rs | 2 +- .../rustc_const_eval/src/interpret/traits.rs | 2 +- .../rustc_const_eval/src/interpret/util.rs | 8 +- .../src/interpret/validity.rs | 19 ++-- .../rustc_const_eval/src/interpret/visitor.rs | 4 +- .../src/util/caller_location.rs | 4 +- .../src/dataflow_const_prop.rs | 15 ++- compiler/rustc_mir_transform/src/gvn.rs | 4 +- .../rustc_mir_transform/src/jump_threading.rs | 2 +- .../src/known_panics_lint.rs | 2 +- src/tools/miri/src/alloc_addresses/mod.rs | 12 +-- src/tools/miri/src/borrow_tracker/mod.rs | 20 ++-- .../stacked_borrows/diagnostics.rs | 28 +++--- .../src/borrow_tracker/stacked_borrows/mod.rs | 61 +++++------- .../src/borrow_tracker/tree_borrows/mod.rs | 39 ++++---- src/tools/miri/src/concurrency/data_race.rs | 56 +++++------ src/tools/miri/src/concurrency/init_once.rs | 10 +- src/tools/miri/src/concurrency/sync.rs | 16 +-- src/tools/miri/src/concurrency/thread.rs | 81 +++++++-------- src/tools/miri/src/concurrency/weak_memory.rs | 14 ++- src/tools/miri/src/diagnostics.rs | 18 ++-- src/tools/miri/src/eval.rs | 6 +- src/tools/miri/src/helpers.rs | 21 ++-- src/tools/miri/src/intrinsics/atomic.rs | 8 +- src/tools/miri/src/intrinsics/mod.rs | 4 +- src/tools/miri/src/intrinsics/simd.rs | 4 +- src/tools/miri/src/machine.rs | 98 +++++++++---------- src/tools/miri/src/operator.rs | 4 +- src/tools/miri/src/provenance_gc.rs | 12 +-- src/tools/miri/src/shims/alloc.rs | 6 +- src/tools/miri/src/shims/backtrace.rs | 4 +- src/tools/miri/src/shims/env.rs | 12 +-- src/tools/miri/src/shims/extern_static.rs | 10 +- src/tools/miri/src/shims/foreign_items.rs | 12 +-- src/tools/miri/src/shims/native_lib.rs | 8 +- src/tools/miri/src/shims/os_str.rs | 7 +- src/tools/miri/src/shims/panic.rs | 4 +- src/tools/miri/src/shims/time.rs | 4 +- src/tools/miri/src/shims/tls.rs | 6 +- .../src/shims/unix/android/foreign_items.rs | 4 +- src/tools/miri/src/shims/unix/env.rs | 28 +++--- src/tools/miri/src/shims/unix/fd.rs | 16 +-- .../miri/src/shims/unix/foreign_items.rs | 6 +- .../src/shims/unix/freebsd/foreign_items.rs | 4 +- src/tools/miri/src/shims/unix/fs.rs | 18 ++-- src/tools/miri/src/shims/unix/linux/epoll.rs | 4 +- .../miri/src/shims/unix/linux/eventfd.rs | 6 +- .../src/shims/unix/linux/foreign_items.rs | 4 +- src/tools/miri/src/shims/unix/linux/mem.rs | 4 +- src/tools/miri/src/shims/unix/linux/sync.rs | 2 +- .../src/shims/unix/macos/foreign_items.rs | 4 +- src/tools/miri/src/shims/unix/mem.rs | 4 +- src/tools/miri/src/shims/unix/socket.rs | 4 +- .../src/shims/unix/solarish/foreign_items.rs | 4 +- src/tools/miri/src/shims/unix/sync.rs | 84 ++++++++-------- src/tools/miri/src/shims/unix/thread.rs | 4 +- .../miri/src/shims/wasi/foreign_items.rs | 4 +- src/tools/miri/src/shims/windows/env.rs | 8 +- .../miri/src/shims/windows/foreign_items.rs | 4 +- src/tools/miri/src/shims/windows/handle.rs | 4 +- src/tools/miri/src/shims/windows/sync.rs | 8 +- src/tools/miri/src/shims/windows/thread.rs | 4 +- src/tools/miri/src/shims/x86/aesni.rs | 8 +- src/tools/miri/src/shims/x86/avx.rs | 6 +- src/tools/miri/src/shims/x86/avx2.rs | 6 +- src/tools/miri/src/shims/x86/mod.rs | 66 ++++++------- src/tools/miri/src/shims/x86/sse.rs | 6 +- src/tools/miri/src/shims/x86/sse2.rs | 6 +- src/tools/miri/src/shims/x86/sse3.rs | 6 +- src/tools/miri/src/shims/x86/sse41.rs | 6 +- src/tools/miri/src/shims/x86/ssse3.rs | 6 +- 87 files changed, 671 insertions(+), 760 deletions(-) diff --git a/compiler/rustc_const_eval/src/const_eval/dummy_machine.rs b/compiler/rustc_const_eval/src/const_eval/dummy_machine.rs index 882c01f6e4be..62979af8a601 100644 --- a/compiler/rustc_const_eval/src/const_eval/dummy_machine.rs +++ b/compiler/rustc_const_eval/src/const_eval/dummy_machine.rs @@ -44,8 +44,8 @@ impl HasStaticRootDefId for DummyMachine { } } -impl<'mir, 'tcx: 'mir> interpret::Machine<'mir, 'tcx> for DummyMachine { - interpret::compile_time_machine!(<'mir, 'tcx>); +impl<'tcx> interpret::Machine<'tcx> for DummyMachine { + interpret::compile_time_machine!(<'tcx>); type MemoryKind = !; const PANIC_ON_ALLOC_FAIL: bool = true; @@ -53,11 +53,11 @@ impl<'mir, 'tcx: 'mir> interpret::Machine<'mir, 'tcx> for DummyMachine { const ALL_CONSTS_ARE_PRECHECKED: bool = false; #[inline(always)] - fn enforce_alignment(_ecx: &InterpCx<'mir, 'tcx, Self>) -> bool { + fn enforce_alignment(_ecx: &InterpCx<'tcx, Self>) -> bool { false // no reason to enforce alignment } - fn enforce_validity(_ecx: &InterpCx<'mir, 'tcx, Self>, _layout: TyAndLayout<'tcx>) -> bool { + fn enforce_validity(_ecx: &InterpCx<'tcx, Self>, _layout: TyAndLayout<'tcx>) -> bool { false } @@ -83,7 +83,7 @@ impl<'mir, 'tcx: 'mir> interpret::Machine<'mir, 'tcx> for DummyMachine { } fn find_mir_or_eval_fn( - _ecx: &mut InterpCx<'mir, 'tcx, Self>, + _ecx: &mut InterpCx<'tcx, Self>, _instance: ty::Instance<'tcx>, _abi: rustc_target::spec::abi::Abi, _args: &[interpret::FnArg<'tcx, Self::Provenance>], @@ -95,14 +95,14 @@ impl<'mir, 'tcx: 'mir> interpret::Machine<'mir, 'tcx> for DummyMachine { } fn panic_nounwind( - _ecx: &mut InterpCx<'mir, 'tcx, Self>, + _ecx: &mut InterpCx<'tcx, Self>, _msg: &str, ) -> interpret::InterpResult<'tcx> { unimplemented!() } fn call_intrinsic( - _ecx: &mut InterpCx<'mir, 'tcx, Self>, + _ecx: &mut InterpCx<'tcx, Self>, _instance: ty::Instance<'tcx>, _args: &[interpret::OpTy<'tcx, Self::Provenance>], _destination: &interpret::MPlaceTy<'tcx, Self::Provenance>, @@ -113,7 +113,7 @@ impl<'mir, 'tcx: 'mir> interpret::Machine<'mir, 'tcx> for DummyMachine { } fn assert_panic( - _ecx: &mut InterpCx<'mir, 'tcx, Self>, + _ecx: &mut InterpCx<'tcx, Self>, _msg: &rustc_middle::mir::AssertMessage<'tcx>, _unwind: UnwindAction, ) -> interpret::InterpResult<'tcx> { @@ -121,7 +121,7 @@ impl<'mir, 'tcx: 'mir> interpret::Machine<'mir, 'tcx> for DummyMachine { } fn binary_ptr_op( - ecx: &InterpCx<'mir, 'tcx, Self>, + ecx: &InterpCx<'tcx, Self>, bin_op: BinOp, left: &interpret::ImmTy<'tcx, Self::Provenance>, right: &interpret::ImmTy<'tcx, Self::Provenance>, @@ -168,31 +168,29 @@ impl<'mir, 'tcx: 'mir> interpret::Machine<'mir, 'tcx> for DummyMachine { } fn expose_ptr( - _ecx: &mut InterpCx<'mir, 'tcx, Self>, + _ecx: &mut InterpCx<'tcx, Self>, _ptr: interpret::Pointer, ) -> interpret::InterpResult<'tcx> { unimplemented!() } fn init_frame_extra( - _ecx: &mut InterpCx<'mir, 'tcx, Self>, + _ecx: &mut InterpCx<'tcx, Self>, _frame: interpret::Frame<'tcx, Self::Provenance>, - ) -> interpret::InterpResult< - 'tcx, - interpret::Frame<'tcx, Self::Provenance, Self::FrameExtra>, - > { + ) -> interpret::InterpResult<'tcx, interpret::Frame<'tcx, Self::Provenance, Self::FrameExtra>> + { unimplemented!() } fn stack<'a>( - _ecx: &'a InterpCx<'mir, 'tcx, Self>, + _ecx: &'a InterpCx<'tcx, Self>, ) -> &'a [interpret::Frame<'tcx, Self::Provenance, Self::FrameExtra>] { // Return an empty stack instead of panicking, as `cur_span` uses it to evaluate constants. &[] } fn stack_mut<'a>( - _ecx: &'a mut InterpCx<'mir, 'tcx, Self>, + _ecx: &'a mut InterpCx<'tcx, Self>, ) -> &'a mut Vec> { unimplemented!() } diff --git a/compiler/rustc_const_eval/src/const_eval/eval_queries.rs b/compiler/rustc_const_eval/src/const_eval/eval_queries.rs index d4703f8e14ae..36f468d3308a 100644 --- a/compiler/rustc_const_eval/src/const_eval/eval_queries.rs +++ b/compiler/rustc_const_eval/src/const_eval/eval_queries.rs @@ -31,8 +31,8 @@ use crate::CTRL_C_RECEIVED; // Returns a pointer to where the result lives #[instrument(level = "trace", skip(ecx, body))] -fn eval_body_using_ecx<'mir, 'tcx, R: InterpretationResult<'tcx>>( - ecx: &mut CompileTimeEvalContext<'mir, 'tcx>, +fn eval_body_using_ecx<'tcx, R: InterpretationResult<'tcx>>( + ecx: &mut CompileTimeEvalContext<'tcx>, cid: GlobalId<'tcx>, body: &'tcx mir::Body<'tcx>, ) -> InterpResult<'tcx, R> { @@ -134,12 +134,12 @@ fn eval_body_using_ecx<'mir, 'tcx, R: InterpretationResult<'tcx>>( /// that inform us about the generic bounds of the constant. E.g., using an associated constant /// of a function's generic parameter will require knowledge about the bounds on the generic /// parameter. These bounds are passed to `mk_eval_cx` via the `ParamEnv` argument. -pub(crate) fn mk_eval_cx_to_read_const_val<'mir, 'tcx>( +pub(crate) fn mk_eval_cx_to_read_const_val<'tcx>( tcx: TyCtxt<'tcx>, root_span: Span, param_env: ty::ParamEnv<'tcx>, can_access_mut_global: CanAccessMutGlobal, -) -> CompileTimeEvalContext<'mir, 'tcx> { +) -> CompileTimeEvalContext<'tcx> { debug!("mk_eval_cx: {:?}", param_env); InterpCx::new( tcx, @@ -151,12 +151,12 @@ pub(crate) fn mk_eval_cx_to_read_const_val<'mir, 'tcx>( /// Create an interpreter context to inspect the given `ConstValue`. /// Returns both the context and an `OpTy` that represents the constant. -pub fn mk_eval_cx_for_const_val<'mir, 'tcx>( +pub fn mk_eval_cx_for_const_val<'tcx>( tcx: TyCtxtAt<'tcx>, param_env: ty::ParamEnv<'tcx>, val: mir::ConstValue<'tcx>, ty: Ty<'tcx>, -) -> Option<(CompileTimeEvalContext<'mir, 'tcx>, OpTy<'tcx>)> { +) -> Option<(CompileTimeEvalContext<'tcx>, OpTy<'tcx>)> { let ecx = mk_eval_cx_to_read_const_val(tcx.tcx, tcx.span, param_env, CanAccessMutGlobal::No); let op = ecx.const_val_to_op(val, ty, None).ok()?; Some((ecx, op)) @@ -170,7 +170,7 @@ pub fn mk_eval_cx_for_const_val<'mir, 'tcx>( /// encounter an `Indirect` they cannot handle. #[instrument(skip(ecx), level = "debug")] pub(super) fn op_to_const<'tcx>( - ecx: &CompileTimeEvalContext<'_, 'tcx>, + ecx: &CompileTimeEvalContext<'tcx>, op: &OpTy<'tcx>, for_diagnostics: bool, ) -> ConstValue<'tcx> { @@ -326,16 +326,16 @@ pub trait InterpretationResult<'tcx> { /// This function takes the place where the result of the evaluation is stored /// and prepares it for returning it in the appropriate format needed by the specific /// evaluation query. - fn make_result<'mir>( + fn make_result( mplace: MPlaceTy<'tcx>, - ecx: &mut InterpCx<'mir, 'tcx, CompileTimeInterpreter<'tcx>>, + ecx: &mut InterpCx<'tcx, CompileTimeInterpreter<'tcx>>, ) -> Self; } impl<'tcx> InterpretationResult<'tcx> for ConstAlloc<'tcx> { - fn make_result<'mir>( + fn make_result( mplace: MPlaceTy<'tcx>, - _ecx: &mut InterpCx<'mir, 'tcx, CompileTimeInterpreter<'tcx>>, + _ecx: &mut InterpCx<'tcx, CompileTimeInterpreter<'tcx>>, ) -> Self { ConstAlloc { alloc_id: mplace.ptr().provenance.unwrap().alloc_id(), ty: mplace.layout.ty } } @@ -416,8 +416,8 @@ fn eval_in_interpreter<'tcx, R: InterpretationResult<'tcx>>( } #[inline(always)] -fn const_validate_mplace<'mir, 'tcx>( - ecx: &InterpCx<'mir, 'tcx, CompileTimeInterpreter<'tcx>>, +fn const_validate_mplace<'tcx>( + ecx: &InterpCx<'tcx, CompileTimeInterpreter<'tcx>>, mplace: &MPlaceTy<'tcx>, cid: GlobalId<'tcx>, ) -> Result<(), ErrorHandled> { @@ -446,8 +446,8 @@ fn const_validate_mplace<'mir, 'tcx>( } #[inline(always)] -fn report_validation_error<'mir, 'tcx>( - ecx: &InterpCx<'mir, 'tcx, CompileTimeInterpreter<'tcx>>, +fn report_validation_error<'tcx>( + ecx: &InterpCx<'tcx, CompileTimeInterpreter<'tcx>>, error: InterpErrorInfo<'tcx>, alloc_id: AllocId, ) -> ErrorHandled { diff --git a/compiler/rustc_const_eval/src/const_eval/machine.rs b/compiler/rustc_const_eval/src/const_eval/machine.rs index 9c672120ef8a..950e7c12da2e 100644 --- a/compiler/rustc_const_eval/src/const_eval/machine.rs +++ b/compiler/rustc_const_eval/src/const_eval/machine.rs @@ -164,8 +164,7 @@ impl interpret::AllocMap for FxIndexMap { } } -pub(crate) type CompileTimeEvalContext<'mir, 'tcx> = - InterpCx<'mir, 'tcx, CompileTimeInterpreter<'tcx>>; +pub(crate) type CompileTimeEvalContext<'tcx> = InterpCx<'tcx, CompileTimeInterpreter<'tcx>>; #[derive(Debug, PartialEq, Eq, Copy, Clone)] pub enum MemoryKind { @@ -197,7 +196,7 @@ impl interpret::MayLeak for ! { } } -impl<'mir, 'tcx: 'mir> CompileTimeEvalContext<'mir, 'tcx> { +impl<'tcx> CompileTimeEvalContext<'tcx> { fn location_triple_for_span(&self, span: Span) -> (Symbol, u32, u32) { let topmost = span.ctxt().outer_expn().expansion_cause().unwrap_or(span); let caller = self.tcx.sess.source_map().lookup_char_pos(topmost.lo()); @@ -371,25 +370,25 @@ impl<'mir, 'tcx: 'mir> CompileTimeEvalContext<'mir, 'tcx> { } } -impl<'mir, 'tcx: 'mir> interpret::Machine<'mir, 'tcx> for CompileTimeInterpreter<'tcx> { - compile_time_machine!(<'mir, 'tcx>); +impl<'tcx> interpret::Machine<'tcx> for CompileTimeInterpreter<'tcx> { + compile_time_machine!(<'tcx>); type MemoryKind = MemoryKind; const PANIC_ON_ALLOC_FAIL: bool = false; // will be raised as a proper error #[inline(always)] - fn enforce_alignment(ecx: &InterpCx<'mir, 'tcx, Self>) -> bool { + fn enforce_alignment(ecx: &InterpCx<'tcx, Self>) -> bool { matches!(ecx.machine.check_alignment, CheckAlignment::Error) } #[inline(always)] - fn enforce_validity(ecx: &InterpCx<'mir, 'tcx, Self>, layout: TyAndLayout<'tcx>) -> bool { + fn enforce_validity(ecx: &InterpCx<'tcx, Self>, layout: TyAndLayout<'tcx>) -> bool { ecx.tcx.sess.opts.unstable_opts.extra_const_ub_checks || layout.abi.is_uninhabited() } fn load_mir( - ecx: &InterpCx<'mir, 'tcx, Self>, + ecx: &InterpCx<'tcx, Self>, instance: ty::InstanceDef<'tcx>, ) -> InterpResult<'tcx, &'tcx mir::Body<'tcx>> { match instance { @@ -410,7 +409,7 @@ impl<'mir, 'tcx: 'mir> interpret::Machine<'mir, 'tcx> for CompileTimeInterpreter } fn find_mir_or_eval_fn( - ecx: &mut InterpCx<'mir, 'tcx, Self>, + ecx: &mut InterpCx<'tcx, Self>, orig_instance: ty::Instance<'tcx>, _abi: CallAbi, args: &[FnArg<'tcx>], @@ -448,7 +447,7 @@ impl<'mir, 'tcx: 'mir> interpret::Machine<'mir, 'tcx> for CompileTimeInterpreter Ok(Some((ecx.load_mir(instance.def, None)?, orig_instance))) } - fn panic_nounwind(ecx: &mut InterpCx<'mir, 'tcx, Self>, msg: &str) -> InterpResult<'tcx> { + fn panic_nounwind(ecx: &mut InterpCx<'tcx, Self>, msg: &str) -> InterpResult<'tcx> { let msg = Symbol::intern(msg); let span = ecx.find_closest_untracked_caller_location(); let (file, line, col) = ecx.location_triple_for_span(span); @@ -456,7 +455,7 @@ impl<'mir, 'tcx: 'mir> interpret::Machine<'mir, 'tcx> for CompileTimeInterpreter } fn call_intrinsic( - ecx: &mut InterpCx<'mir, 'tcx, Self>, + ecx: &mut InterpCx<'tcx, Self>, instance: ty::Instance<'tcx>, args: &[OpTy<'tcx>], dest: &MPlaceTy<'tcx, Self::Provenance>, @@ -555,7 +554,7 @@ impl<'mir, 'tcx: 'mir> interpret::Machine<'mir, 'tcx> for CompileTimeInterpreter } fn assert_panic( - ecx: &mut InterpCx<'mir, 'tcx, Self>, + ecx: &mut InterpCx<'tcx, Self>, msg: &AssertMessage<'tcx>, _unwind: mir::UnwindAction, ) -> InterpResult<'tcx> { @@ -586,7 +585,7 @@ impl<'mir, 'tcx: 'mir> interpret::Machine<'mir, 'tcx> for CompileTimeInterpreter } fn binary_ptr_op( - _ecx: &InterpCx<'mir, 'tcx, Self>, + _ecx: &InterpCx<'tcx, Self>, _bin_op: mir::BinOp, _left: &ImmTy<'tcx>, _right: &ImmTy<'tcx>, @@ -594,7 +593,7 @@ impl<'mir, 'tcx: 'mir> interpret::Machine<'mir, 'tcx> for CompileTimeInterpreter throw_unsup_format!("pointer arithmetic or comparison is not supported at compile-time"); } - fn increment_const_eval_counter(ecx: &mut InterpCx<'mir, 'tcx, Self>) -> InterpResult<'tcx> { + fn increment_const_eval_counter(ecx: &mut InterpCx<'tcx, Self>) -> InterpResult<'tcx> { // The step limit has already been hit in a previous call to `increment_const_eval_counter`. if let Some(new_steps) = ecx.machine.num_evaluated_steps.checked_add(1) { @@ -650,14 +649,14 @@ impl<'mir, 'tcx: 'mir> interpret::Machine<'mir, 'tcx> for CompileTimeInterpreter } #[inline(always)] - fn expose_ptr(_ecx: &mut InterpCx<'mir, 'tcx, Self>, _ptr: Pointer) -> InterpResult<'tcx> { + fn expose_ptr(_ecx: &mut InterpCx<'tcx, Self>, _ptr: Pointer) -> InterpResult<'tcx> { // This is only reachable with -Zunleash-the-miri-inside-of-you. throw_unsup_format!("exposing pointers is not possible at compile-time") } #[inline(always)] fn init_frame_extra( - ecx: &mut InterpCx<'mir, 'tcx, Self>, + ecx: &mut InterpCx<'tcx, Self>, frame: Frame<'tcx>, ) -> InterpResult<'tcx, Frame<'tcx>> { // Enforce stack size limit. Add 1 because this is run before the new frame is pushed. @@ -670,14 +669,14 @@ impl<'mir, 'tcx: 'mir> interpret::Machine<'mir, 'tcx> for CompileTimeInterpreter #[inline(always)] fn stack<'a>( - ecx: &'a InterpCx<'mir, 'tcx, Self>, + ecx: &'a InterpCx<'tcx, Self>, ) -> &'a [Frame<'tcx, Self::Provenance, Self::FrameExtra>] { &ecx.machine.stack } #[inline(always)] fn stack_mut<'a>( - ecx: &'a mut InterpCx<'mir, 'tcx, Self>, + ecx: &'a mut InterpCx<'tcx, Self>, ) -> &'a mut Vec> { &mut ecx.machine.stack } @@ -715,7 +714,7 @@ impl<'mir, 'tcx: 'mir> interpret::Machine<'mir, 'tcx> for CompileTimeInterpreter } fn retag_ptr_value( - ecx: &mut InterpCx<'mir, 'tcx, Self>, + ecx: &mut InterpCx<'tcx, Self>, _kind: mir::RetagKind, val: &ImmTy<'tcx, CtfeProvenance>, ) -> InterpResult<'tcx, ImmTy<'tcx, CtfeProvenance>> { @@ -756,10 +755,7 @@ impl<'mir, 'tcx: 'mir> interpret::Machine<'mir, 'tcx> for CompileTimeInterpreter Ok(()) } - fn before_alloc_read( - ecx: &InterpCx<'mir, 'tcx, Self>, - alloc_id: AllocId, - ) -> InterpResult<'tcx> { + fn before_alloc_read(ecx: &InterpCx<'tcx, Self>, alloc_id: AllocId) -> InterpResult<'tcx> { // Check if this is the currently evaluated static. if Some(alloc_id) == ecx.machine.static_root_ids.map(|(id, _)| id) { return Err(ConstEvalErrKind::RecursiveStatic.into()); diff --git a/compiler/rustc_const_eval/src/const_eval/valtrees.rs b/compiler/rustc_const_eval/src/const_eval/valtrees.rs index b906bfa775f8..5312f1f946f5 100644 --- a/compiler/rustc_const_eval/src/const_eval/valtrees.rs +++ b/compiler/rustc_const_eval/src/const_eval/valtrees.rs @@ -21,7 +21,7 @@ use crate::interpret::{ #[instrument(skip(ecx), level = "debug")] fn branches<'tcx>( - ecx: &CompileTimeEvalContext<'tcx, 'tcx>, + ecx: &CompileTimeEvalContext<'tcx>, place: &MPlaceTy<'tcx>, n: usize, variant: Option, @@ -59,7 +59,7 @@ fn branches<'tcx>( #[instrument(skip(ecx), level = "debug")] fn slice_branches<'tcx>( - ecx: &CompileTimeEvalContext<'tcx, 'tcx>, + ecx: &CompileTimeEvalContext<'tcx>, place: &MPlaceTy<'tcx>, num_nodes: &mut usize, ) -> ValTreeCreationResult<'tcx> { @@ -77,7 +77,7 @@ fn slice_branches<'tcx>( #[instrument(skip(ecx), level = "debug")] fn const_to_valtree_inner<'tcx>( - ecx: &CompileTimeEvalContext<'tcx, 'tcx>, + ecx: &CompileTimeEvalContext<'tcx>, place: &MPlaceTy<'tcx>, num_nodes: &mut usize, ) -> ValTreeCreationResult<'tcx> { @@ -219,7 +219,7 @@ fn reconstruct_place_meta<'tcx>( #[instrument(skip(ecx), level = "debug", ret)] fn create_valtree_place<'tcx>( - ecx: &mut CompileTimeEvalContext<'tcx, 'tcx>, + ecx: &mut CompileTimeEvalContext<'tcx>, layout: TyAndLayout<'tcx>, valtree: ty::ValTree<'tcx>, ) -> MPlaceTy<'tcx> { @@ -364,7 +364,7 @@ pub fn valtree_to_const_value<'tcx>( /// Put a valtree into memory and return a reference to that. fn valtree_to_ref<'tcx>( - ecx: &mut CompileTimeEvalContext<'tcx, 'tcx>, + ecx: &mut CompileTimeEvalContext<'tcx>, valtree: ty::ValTree<'tcx>, pointee_ty: Ty<'tcx>, ) -> Immediate { @@ -380,7 +380,7 @@ fn valtree_to_ref<'tcx>( #[instrument(skip(ecx), level = "debug")] fn valtree_into_mplace<'tcx>( - ecx: &mut CompileTimeEvalContext<'tcx, 'tcx>, + ecx: &mut CompileTimeEvalContext<'tcx>, place: &MPlaceTy<'tcx>, valtree: ty::ValTree<'tcx>, ) { @@ -457,6 +457,6 @@ fn valtree_into_mplace<'tcx>( } } -fn dump_place<'tcx>(ecx: &CompileTimeEvalContext<'tcx, 'tcx>, place: &MPlaceTy<'tcx>) { +fn dump_place<'tcx>(ecx: &CompileTimeEvalContext<'tcx>, place: &MPlaceTy<'tcx>) { trace!("{:?}", ecx.dump_place(&PlaceTy::from(place.clone()))); } diff --git a/compiler/rustc_const_eval/src/interpret/cast.rs b/compiler/rustc_const_eval/src/interpret/cast.rs index ecfb25e32cda..737a70f335d0 100644 --- a/compiler/rustc_const_eval/src/interpret/cast.rs +++ b/compiler/rustc_const_eval/src/interpret/cast.rs @@ -19,7 +19,7 @@ use super::{ use crate::fluent_generated as fluent; -impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { +impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { pub fn cast( &mut self, src: &OpTy<'tcx, M::Provenance>, @@ -324,13 +324,12 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { use rustc_type_ir::TyKind::*; fn adjust_nan< - 'mir, - 'tcx: 'mir, - M: Machine<'mir, 'tcx>, + 'tcx, + M: Machine<'tcx>, F1: rustc_apfloat::Float + FloatConvert, F2: rustc_apfloat::Float, >( - ecx: &InterpCx<'mir, 'tcx, M>, + ecx: &InterpCx<'tcx, M>, f1: F1, f2: F2, ) -> F2 { diff --git a/compiler/rustc_const_eval/src/interpret/discriminant.rs b/compiler/rustc_const_eval/src/interpret/discriminant.rs index 0790f06e6e1d..224d17dbf52b 100644 --- a/compiler/rustc_const_eval/src/interpret/discriminant.rs +++ b/compiler/rustc_const_eval/src/interpret/discriminant.rs @@ -12,7 +12,7 @@ use super::{ err_ub, throw_ub, ImmTy, InterpCx, InterpResult, Machine, Readable, Scalar, Writeable, }; -impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { +impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { /// Writes the discriminant of the given variant. /// /// If the variant is uninhabited, this is UB. diff --git a/compiler/rustc_const_eval/src/interpret/eval_context.rs b/compiler/rustc_const_eval/src/interpret/eval_context.rs index 235002c17f2c..5cd50a928704 100644 --- a/compiler/rustc_const_eval/src/interpret/eval_context.rs +++ b/compiler/rustc_const_eval/src/interpret/eval_context.rs @@ -34,7 +34,7 @@ use crate::errors; use crate::util; use crate::{fluent_generated as fluent, ReportErrorExt}; -pub struct InterpCx<'mir, 'tcx, M: Machine<'mir, 'tcx>> { +pub struct InterpCx<'tcx, M: Machine<'tcx>> { /// Stores the `Machine` instance. /// /// Note: the stack is provided by the machine. @@ -49,7 +49,7 @@ pub struct InterpCx<'mir, 'tcx, M: Machine<'mir, 'tcx>> { pub(crate) param_env: ty::ParamEnv<'tcx>, /// The virtual memory system. - pub memory: Memory<'mir, 'tcx, M>, + pub memory: Memory<'tcx, M>, /// The recursion limit (cached from `tcx.recursion_limit(())`) pub recursion_limit: Limit, @@ -345,16 +345,16 @@ impl<'tcx> FrameInfo<'tcx> { } } -impl<'mir, 'tcx, M: Machine<'mir, 'tcx>> HasDataLayout for InterpCx<'mir, 'tcx, M> { +impl<'tcx, M: Machine<'tcx>> HasDataLayout for InterpCx<'tcx, M> { #[inline] fn data_layout(&self) -> &TargetDataLayout { &self.tcx.data_layout } } -impl<'mir, 'tcx, M> layout::HasTyCtxt<'tcx> for InterpCx<'mir, 'tcx, M> +impl<'tcx, M> layout::HasTyCtxt<'tcx> for InterpCx<'tcx, M> where - M: Machine<'mir, 'tcx>, + M: Machine<'tcx>, { #[inline] fn tcx(&self) -> TyCtxt<'tcx> { @@ -362,16 +362,16 @@ where } } -impl<'mir, 'tcx, M> layout::HasParamEnv<'tcx> for InterpCx<'mir, 'tcx, M> +impl<'tcx, M> layout::HasParamEnv<'tcx> for InterpCx<'tcx, M> where - M: Machine<'mir, 'tcx>, + M: Machine<'tcx>, { fn param_env(&self) -> ty::ParamEnv<'tcx> { self.param_env } } -impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> LayoutOfHelpers<'tcx> for InterpCx<'mir, 'tcx, M> { +impl<'tcx, M: Machine<'tcx>> LayoutOfHelpers<'tcx> for InterpCx<'tcx, M> { type LayoutOfResult = InterpResult<'tcx, TyAndLayout<'tcx>>; #[inline] @@ -391,7 +391,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> LayoutOfHelpers<'tcx> for InterpC } } -impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> FnAbiOfHelpers<'tcx> for InterpCx<'mir, 'tcx, M> { +impl<'tcx, M: Machine<'tcx>> FnAbiOfHelpers<'tcx> for InterpCx<'tcx, M> { type FnAbiOfResult = InterpResult<'tcx, &'tcx FnAbi<'tcx, Ty<'tcx>>>; fn handle_fn_abi_err( @@ -484,7 +484,7 @@ pub fn format_interp_error<'tcx>(dcx: &DiagCtxt, e: InterpErrorInfo<'tcx>) -> St s } -impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { +impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { pub fn new( tcx: TyCtxt<'tcx>, root_span: Span, @@ -544,7 +544,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { } #[inline(always)] - pub fn body(&self) -> &'mir mir::Body<'tcx> { + pub fn body(&self) -> &'tcx mir::Body<'tcx> { self.frame().body } @@ -1203,10 +1203,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { } #[must_use] - pub fn dump_place( - &self, - place: &PlaceTy<'tcx, M::Provenance>, - ) -> PlacePrinter<'_, 'mir, 'tcx, M> { + pub fn dump_place(&self, place: &PlaceTy<'tcx, M::Provenance>) -> PlacePrinter<'_, 'tcx, M> { PlacePrinter { ecx: self, place: *place.place() } } @@ -1218,14 +1215,12 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { #[doc(hidden)] /// Helper struct for the `dump_place` function. -pub struct PlacePrinter<'a, 'mir, 'tcx, M: Machine<'mir, 'tcx>> { - ecx: &'a InterpCx<'mir, 'tcx, M>, +pub struct PlacePrinter<'a, 'tcx, M: Machine<'tcx>> { + ecx: &'a InterpCx<'tcx, M>, place: Place, } -impl<'a, 'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> std::fmt::Debug - for PlacePrinter<'a, 'mir, 'tcx, M> -{ +impl<'a, 'tcx, M: Machine<'tcx>> std::fmt::Debug for PlacePrinter<'a, 'tcx, M> { fn fmt(&self, fmt: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { match self.place { Place::Local { local, offset, locals_addr } => { diff --git a/compiler/rustc_const_eval/src/interpret/intern.rs b/compiler/rustc_const_eval/src/interpret/intern.rs index b95bf3382dee..8d0b267e1a9c 100644 --- a/compiler/rustc_const_eval/src/interpret/intern.rs +++ b/compiler/rustc_const_eval/src/interpret/intern.rs @@ -29,8 +29,7 @@ use super::{err_ub, AllocId, Allocation, InterpCx, MPlaceTy, Machine, MemoryKind use crate::const_eval; use crate::errors::NestedStaticInThreadLocal; -pub trait CompileTimeMachine<'mir, 'tcx: 'mir, T> = Machine< - 'mir, +pub trait CompileTimeMachine<'tcx, T> = Machine< 'tcx, MemoryKind = T, Provenance = CtfeProvenance, @@ -59,8 +58,8 @@ impl HasStaticRootDefId for const_eval::CompileTimeInterpreter<'_> { /// already mutable (as a sanity check). /// /// Returns an iterator over all relocations referred to by this allocation. -fn intern_shallow<'rt, 'mir, 'tcx, T, M: CompileTimeMachine<'mir, 'tcx, T>>( - ecx: &'rt mut InterpCx<'mir, 'tcx, M>, +fn intern_shallow<'rt, 'tcx, T, M: CompileTimeMachine<'tcx, T>>( + ecx: &'rt mut InterpCx<'tcx, M>, alloc_id: AllocId, mutability: Mutability, ) -> Result + 'tcx, ()> { @@ -146,12 +145,8 @@ pub enum InternResult { /// /// For `InternKind::Static` the root allocation will not be interned, but must be handled by the caller. #[instrument(level = "debug", skip(ecx))] -pub fn intern_const_alloc_recursive< - 'mir, - 'tcx: 'mir, - M: CompileTimeMachine<'mir, 'tcx, const_eval::MemoryKind>, ->( - ecx: &mut InterpCx<'mir, 'tcx, M>, +pub fn intern_const_alloc_recursive<'tcx, M: CompileTimeMachine<'tcx, const_eval::MemoryKind>>( + ecx: &mut InterpCx<'tcx, M>, intern_kind: InternKind, ret: &MPlaceTy<'tcx>, ) -> Result<(), InternResult> { @@ -290,13 +285,8 @@ pub fn intern_const_alloc_recursive< /// Intern `ret`. This function assumes that `ret` references no other allocation. #[instrument(level = "debug", skip(ecx))] -pub fn intern_const_alloc_for_constprop< - 'mir, - 'tcx: 'mir, - T, - M: CompileTimeMachine<'mir, 'tcx, T>, ->( - ecx: &mut InterpCx<'mir, 'tcx, M>, +pub fn intern_const_alloc_for_constprop<'tcx, T, M: CompileTimeMachine<'tcx, T>>( + ecx: &mut InterpCx<'tcx, M>, alloc_id: AllocId, ) -> InterpResult<'tcx, ()> { if ecx.tcx.try_get_global_alloc(alloc_id).is_some() { @@ -315,19 +305,14 @@ pub fn intern_const_alloc_for_constprop< Ok(()) } -impl<'mir, 'tcx: 'mir, M: super::intern::CompileTimeMachine<'mir, 'tcx, !>> - InterpCx<'mir, 'tcx, M> -{ +impl<'tcx, M: super::intern::CompileTimeMachine<'tcx, !>> InterpCx<'tcx, M> { /// A helper function that allocates memory for the layout given and gives you access to mutate /// it. Once your own mutation code is done, the backing `Allocation` is removed from the /// current `Memory` and interned as read-only into the global memory. pub fn intern_with_temp_alloc( &mut self, layout: TyAndLayout<'tcx>, - f: impl FnOnce( - &mut InterpCx<'mir, 'tcx, M>, - &PlaceTy<'tcx, M::Provenance>, - ) -> InterpResult<'tcx, ()>, + f: impl FnOnce(&mut InterpCx<'tcx, M>, &PlaceTy<'tcx, M::Provenance>) -> InterpResult<'tcx, ()>, ) -> InterpResult<'tcx, AllocId> { // `allocate` picks a fresh AllocId that we will associate with its data below. let dest = self.allocate(layout, MemoryKind::Stack)?; diff --git a/compiler/rustc_const_eval/src/interpret/intrinsics.rs b/compiler/rustc_const_eval/src/interpret/intrinsics.rs index 3a8f8dc4cb9d..18b76443cd95 100644 --- a/compiler/rustc_const_eval/src/interpret/intrinsics.rs +++ b/compiler/rustc_const_eval/src/interpret/intrinsics.rs @@ -98,7 +98,7 @@ pub(crate) fn eval_nullary_intrinsic<'tcx>( }) } -impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { +impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { /// Returns `true` if emulation happened. /// Here we implement the intrinsics that are common to all Miri instances; individual machines can add their own /// intrinsic handling. @@ -605,9 +605,9 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { /// Copy `count*size_of::()` many bytes from `*src` to `*dst`. pub(crate) fn copy_intrinsic( &mut self, - src: &OpTy<'tcx, >::Provenance>, - dst: &OpTy<'tcx, >::Provenance>, - count: &OpTy<'tcx, >::Provenance>, + src: &OpTy<'tcx, >::Provenance>, + dst: &OpTy<'tcx, >::Provenance>, + count: &OpTy<'tcx, >::Provenance>, nonoverlapping: bool, ) -> InterpResult<'tcx> { let count = self.read_target_usize(count)?; @@ -634,8 +634,8 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { /// Does a *typed* swap of `*left` and `*right`. fn typed_swap_intrinsic( &mut self, - left: &OpTy<'tcx, >::Provenance>, - right: &OpTy<'tcx, >::Provenance>, + left: &OpTy<'tcx, >::Provenance>, + right: &OpTy<'tcx, >::Provenance>, ) -> InterpResult<'tcx> { let left = self.deref_pointer(left)?; let right = self.deref_pointer(right)?; @@ -651,9 +651,9 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { pub(crate) fn write_bytes_intrinsic( &mut self, - dst: &OpTy<'tcx, >::Provenance>, - byte: &OpTy<'tcx, >::Provenance>, - count: &OpTy<'tcx, >::Provenance>, + dst: &OpTy<'tcx, >::Provenance>, + byte: &OpTy<'tcx, >::Provenance>, + count: &OpTy<'tcx, >::Provenance>, ) -> InterpResult<'tcx> { let layout = self.layout_of(dst.layout.ty.builtin_deref(true).unwrap())?; @@ -673,9 +673,9 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { pub(crate) fn compare_bytes_intrinsic( &mut self, - left: &OpTy<'tcx, >::Provenance>, - right: &OpTy<'tcx, >::Provenance>, - byte_count: &OpTy<'tcx, >::Provenance>, + left: &OpTy<'tcx, >::Provenance>, + right: &OpTy<'tcx, >::Provenance>, + byte_count: &OpTy<'tcx, >::Provenance>, ) -> InterpResult<'tcx, Scalar> { let left = self.read_pointer(left)?; let right = self.read_pointer(right)?; @@ -691,14 +691,14 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { pub(crate) fn raw_eq_intrinsic( &mut self, - lhs: &OpTy<'tcx, >::Provenance>, - rhs: &OpTy<'tcx, >::Provenance>, + lhs: &OpTy<'tcx, >::Provenance>, + rhs: &OpTy<'tcx, >::Provenance>, ) -> InterpResult<'tcx, Scalar> { let layout = self.layout_of(lhs.layout.ty.builtin_deref(true).unwrap())?; assert!(layout.is_sized()); - let get_bytes = |this: &InterpCx<'mir, 'tcx, M>, - op: &OpTy<'tcx, >::Provenance>, + let get_bytes = |this: &InterpCx<'tcx, M>, + op: &OpTy<'tcx, >::Provenance>, size| -> InterpResult<'tcx, &[u8]> { let ptr = this.read_pointer(op)?; diff --git a/compiler/rustc_const_eval/src/interpret/machine.rs b/compiler/rustc_const_eval/src/interpret/machine.rs index 95febd86850c..5713e7bd82b3 100644 --- a/compiler/rustc_const_eval/src/interpret/machine.rs +++ b/compiler/rustc_const_eval/src/interpret/machine.rs @@ -94,7 +94,7 @@ pub trait AllocMap { /// Methods of this trait signifies a point where CTFE evaluation would fail /// and some use case dependent behaviour can instead be applied. -pub trait Machine<'mir, 'tcx: 'mir>: Sized { +pub trait Machine<'tcx>: Sized { /// Additional memory kinds a machine wishes to distinguish from the builtin ones type MemoryKind: Debug + std::fmt::Display + MayLeak + Eq + 'static; @@ -145,12 +145,12 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized { const ALL_CONSTS_ARE_PRECHECKED: bool = true; /// Whether memory accesses should be alignment-checked. - fn enforce_alignment(ecx: &InterpCx<'mir, 'tcx, Self>) -> bool; + fn enforce_alignment(ecx: &InterpCx<'tcx, Self>) -> bool; /// Gives the machine a chance to detect more misalignment than the built-in checks would catch. #[inline(always)] fn alignment_check( - _ecx: &InterpCx<'mir, 'tcx, Self>, + _ecx: &InterpCx<'tcx, Self>, _alloc_id: AllocId, _alloc_align: Align, _alloc_kind: AllocKind, @@ -161,22 +161,22 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized { } /// Whether to enforce the validity invariant for a specific layout. - fn enforce_validity(ecx: &InterpCx<'mir, 'tcx, Self>, layout: TyAndLayout<'tcx>) -> bool; + fn enforce_validity(ecx: &InterpCx<'tcx, Self>, layout: TyAndLayout<'tcx>) -> bool; /// Whether function calls should be [ABI](CallAbi)-checked. - fn enforce_abi(_ecx: &InterpCx<'mir, 'tcx, Self>) -> bool { + fn enforce_abi(_ecx: &InterpCx<'tcx, Self>) -> bool { true } /// Whether Assert(OverflowNeg) and Assert(Overflow) MIR terminators should actually /// check for overflow. - fn ignore_optional_overflow_checks(_ecx: &InterpCx<'mir, 'tcx, Self>) -> bool; + fn ignore_optional_overflow_checks(_ecx: &InterpCx<'tcx, Self>) -> bool; /// Entry point for obtaining the MIR of anything that should get evaluated. /// So not just functions and shims, but also const/static initializers, anonymous /// constants, ... fn load_mir( - ecx: &InterpCx<'mir, 'tcx, Self>, + ecx: &InterpCx<'tcx, Self>, instance: ty::InstanceDef<'tcx>, ) -> InterpResult<'tcx, &'tcx mir::Body<'tcx>> { Ok(ecx.tcx.instance_mir(instance)) @@ -193,7 +193,7 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized { /// Passing `dest`and `ret` in the same `Option` proved very annoying when only one of them /// was used. fn find_mir_or_eval_fn( - ecx: &mut InterpCx<'mir, 'tcx, Self>, + ecx: &mut InterpCx<'tcx, Self>, instance: ty::Instance<'tcx>, abi: CallAbi, args: &[FnArg<'tcx, Self::Provenance>], @@ -205,7 +205,7 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized { /// Execute `fn_val`. It is the hook's responsibility to advance the instruction /// pointer as appropriate. fn call_extra_fn( - ecx: &mut InterpCx<'mir, 'tcx, Self>, + ecx: &mut InterpCx<'tcx, Self>, fn_val: Self::ExtraFnVal, abi: CallAbi, args: &[FnArg<'tcx, Self::Provenance>], @@ -220,7 +220,7 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized { /// Returns `None` if the intrinsic was fully handled. /// Otherwise, returns an `Instance` of the function that implements the intrinsic. fn call_intrinsic( - ecx: &mut InterpCx<'mir, 'tcx, Self>, + ecx: &mut InterpCx<'tcx, Self>, instance: ty::Instance<'tcx>, args: &[OpTy<'tcx, Self::Provenance>], destination: &MPlaceTy<'tcx, Self::Provenance>, @@ -230,17 +230,17 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized { /// Called to evaluate `Assert` MIR terminators that trigger a panic. fn assert_panic( - ecx: &mut InterpCx<'mir, 'tcx, Self>, + ecx: &mut InterpCx<'tcx, Self>, msg: &mir::AssertMessage<'tcx>, unwind: mir::UnwindAction, ) -> InterpResult<'tcx>; /// Called to trigger a non-unwinding panic. - fn panic_nounwind(_ecx: &mut InterpCx<'mir, 'tcx, Self>, msg: &str) -> InterpResult<'tcx>; + fn panic_nounwind(_ecx: &mut InterpCx<'tcx, Self>, msg: &str) -> InterpResult<'tcx>; /// Called when unwinding reached a state where execution should be terminated. fn unwind_terminate( - ecx: &mut InterpCx<'mir, 'tcx, Self>, + ecx: &mut InterpCx<'tcx, Self>, reason: mir::UnwindTerminateReason, ) -> InterpResult<'tcx>; @@ -248,7 +248,7 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized { /// /// Returns a (value, overflowed) pair if the operation succeeded fn binary_ptr_op( - ecx: &InterpCx<'mir, 'tcx, Self>, + ecx: &InterpCx<'tcx, Self>, bin_op: mir::BinOp, left: &ImmTy<'tcx, Self::Provenance>, right: &ImmTy<'tcx, Self::Provenance>, @@ -257,7 +257,7 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized { /// Generate the NaN returned by a float operation, given the list of inputs. /// (This is all inputs, not just NaN inputs!) fn generate_nan, F2: Float>( - _ecx: &InterpCx<'mir, 'tcx, Self>, + _ecx: &InterpCx<'tcx, Self>, _inputs: &[F1], ) -> F2 { // By default we always return the preferred NaN. @@ -266,14 +266,14 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized { /// Called before a basic block terminator is executed. #[inline] - fn before_terminator(_ecx: &mut InterpCx<'mir, 'tcx, Self>) -> InterpResult<'tcx> { + fn before_terminator(_ecx: &mut InterpCx<'tcx, Self>) -> InterpResult<'tcx> { Ok(()) } /// Called when the interpreter encounters a `StatementKind::ConstEvalCounter` instruction. /// You can use this to detect long or endlessly running programs. #[inline] - fn increment_const_eval_counter(_ecx: &mut InterpCx<'mir, 'tcx, Self>) -> InterpResult<'tcx> { + fn increment_const_eval_counter(_ecx: &mut InterpCx<'tcx, Self>) -> InterpResult<'tcx> { Ok(()) } @@ -293,7 +293,7 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized { /// Return the `AllocId` for the given thread-local static in the current thread. fn thread_local_static_pointer( - _ecx: &mut InterpCx<'mir, 'tcx, Self>, + _ecx: &mut InterpCx<'tcx, Self>, def_id: DefId, ) -> InterpResult<'tcx, Pointer> { throw_unsup!(ThreadLocalStatic(def_id)) @@ -301,20 +301,20 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized { /// Return the `AllocId` for the given `extern static`. fn extern_static_pointer( - ecx: &InterpCx<'mir, 'tcx, Self>, + ecx: &InterpCx<'tcx, Self>, def_id: DefId, ) -> InterpResult<'tcx, Pointer>; /// "Int-to-pointer cast" fn ptr_from_addr_cast( - ecx: &InterpCx<'mir, 'tcx, Self>, + ecx: &InterpCx<'tcx, Self>, addr: u64, ) -> InterpResult<'tcx, Pointer>>; /// Marks a pointer as exposed, allowing it's provenance /// to be recovered. "Pointer-to-int cast" fn expose_ptr( - ecx: &mut InterpCx<'mir, 'tcx, Self>, + ecx: &mut InterpCx<'tcx, Self>, ptr: Pointer, ) -> InterpResult<'tcx>; @@ -325,7 +325,7 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized { /// /// When this fails, that means the pointer does not point to a live allocation. fn ptr_get_alloc( - ecx: &InterpCx<'mir, 'tcx, Self>, + ecx: &InterpCx<'tcx, Self>, ptr: Pointer, ) -> Option<(AllocId, Size, Self::ProvenanceExtra)>; @@ -345,7 +345,7 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized { /// cache the result. (This relies on `AllocMap::get_or` being able to add the /// owned allocation to the map even when the map is shared.) fn adjust_allocation<'b>( - ecx: &InterpCx<'mir, 'tcx, Self>, + ecx: &InterpCx<'tcx, Self>, id: AllocId, alloc: Cow<'b, Allocation>, kind: Option>, @@ -359,7 +359,7 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized { /// `kind` is the kind of the allocation the pointer points to; it can be `None` when /// it's a global and `GLOBAL_KIND` is `None`. fn adjust_alloc_root_pointer( - ecx: &InterpCx<'mir, 'tcx, Self>, + ecx: &InterpCx<'tcx, Self>, ptr: Pointer, kind: Option>, ) -> InterpResult<'tcx, Pointer>; @@ -370,7 +370,7 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized { /// is triggered, `targets[0]` when the assembly falls through, or diverge in case of /// `InlineAsmOptions::NORETURN` being set. fn eval_inline_asm( - _ecx: &mut InterpCx<'mir, 'tcx, Self>, + _ecx: &mut InterpCx<'tcx, Self>, _template: &'tcx [InlineAsmTemplatePiece], _operands: &[mir::InlineAsmOperand<'tcx>], _options: InlineAsmOptions, @@ -406,10 +406,7 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized { /// /// Used to prevent statics from self-initializing by reading from their own memory /// as it is being initialized. - fn before_alloc_read( - _ecx: &InterpCx<'mir, 'tcx, Self>, - _alloc_id: AllocId, - ) -> InterpResult<'tcx> { + fn before_alloc_read(_ecx: &InterpCx<'tcx, Self>, _alloc_id: AllocId) -> InterpResult<'tcx> { Ok(()) } @@ -444,7 +441,7 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized { /// Returns the possibly adjusted pointer. #[inline] fn retag_ptr_value( - _ecx: &mut InterpCx<'mir, 'tcx, Self>, + _ecx: &mut InterpCx<'tcx, Self>, _kind: mir::RetagKind, val: &ImmTy<'tcx, Self::Provenance>, ) -> InterpResult<'tcx, ImmTy<'tcx, Self::Provenance>> { @@ -455,7 +452,7 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized { /// Replaces all pointers stored in the given place. #[inline] fn retag_place_contents( - _ecx: &mut InterpCx<'mir, 'tcx, Self>, + _ecx: &mut InterpCx<'tcx, Self>, _kind: mir::RetagKind, _place: &PlaceTy<'tcx, Self::Provenance>, ) -> InterpResult<'tcx> { @@ -467,7 +464,7 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized { /// These places need to be protected to make sure the program cannot tell whether the /// argument/return value was actually copied or passed in-place.. fn protect_in_place_function_argument( - ecx: &mut InterpCx<'mir, 'tcx, Self>, + ecx: &mut InterpCx<'tcx, Self>, mplace: &MPlaceTy<'tcx, Self::Provenance>, ) -> InterpResult<'tcx> { // Without an aliasing model, all we can do is put `Uninit` into the place. @@ -477,28 +474,28 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized { /// Called immediately before a new stack frame gets pushed. fn init_frame_extra( - ecx: &mut InterpCx<'mir, 'tcx, Self>, + ecx: &mut InterpCx<'tcx, Self>, frame: Frame<'tcx, Self::Provenance>, ) -> InterpResult<'tcx, Frame<'tcx, Self::Provenance, Self::FrameExtra>>; /// Borrow the current thread's stack. fn stack<'a>( - ecx: &'a InterpCx<'mir, 'tcx, Self>, + ecx: &'a InterpCx<'tcx, Self>, ) -> &'a [Frame<'tcx, Self::Provenance, Self::FrameExtra>]; /// Mutably borrow the current thread's stack. fn stack_mut<'a>( - ecx: &'a mut InterpCx<'mir, 'tcx, Self>, + ecx: &'a mut InterpCx<'tcx, Self>, ) -> &'a mut Vec>; /// Called immediately after a stack frame got pushed and its locals got initialized. - fn after_stack_push(_ecx: &mut InterpCx<'mir, 'tcx, Self>) -> InterpResult<'tcx> { + fn after_stack_push(_ecx: &mut InterpCx<'tcx, Self>) -> InterpResult<'tcx> { Ok(()) } /// Called just before the return value is copied to the caller-provided return place. fn before_stack_pop( - _ecx: &InterpCx<'mir, 'tcx, Self>, + _ecx: &InterpCx<'tcx, Self>, _frame: &Frame<'tcx, Self::Provenance, Self::FrameExtra>, ) -> InterpResult<'tcx> { Ok(()) @@ -508,7 +505,7 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized { /// The `locals` have already been destroyed! #[inline(always)] fn after_stack_pop( - _ecx: &mut InterpCx<'mir, 'tcx, Self>, + _ecx: &mut InterpCx<'tcx, Self>, _frame: Frame<'tcx, Self::Provenance, Self::FrameExtra>, unwinding: bool, ) -> InterpResult<'tcx, StackPopJump> { @@ -521,7 +518,7 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized { /// but before the local's stack frame is updated to point to that memory. #[inline(always)] fn after_local_allocated( - _ecx: &mut InterpCx<'mir, 'tcx, Self>, + _ecx: &mut InterpCx<'tcx, Self>, _local: mir::Local, _mplace: &MPlaceTy<'tcx, Self::Provenance>, ) -> InterpResult<'tcx> { @@ -532,7 +529,7 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized { /// but this hook has the chance to do some pre/postprocessing. #[inline(always)] fn eval_mir_constant( - ecx: &InterpCx<'mir, 'tcx, Self>, + ecx: &InterpCx<'tcx, Self>, val: mir::Const<'tcx>, span: Span, layout: Option>, @@ -540,7 +537,7 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized { ) -> InterpResult<'tcx, OpTy<'tcx, Self::Provenance>> where F: Fn( - &InterpCx<'mir, 'tcx, Self>, + &InterpCx<'tcx, Self>, mir::Const<'tcx>, Span, Option>, @@ -552,7 +549,7 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized { /// A lot of the flexibility above is just needed for `Miri`, but all "compile-time" machines /// (CTFE and ConstProp) use the same instance. Here, we share that code. -pub macro compile_time_machine(<$mir: lifetime, $tcx: lifetime>) { +pub macro compile_time_machine(<$tcx: lifetime>) { type Provenance = CtfeProvenance; type ProvenanceExtra = bool; // the "immutable" flag @@ -567,13 +564,13 @@ pub macro compile_time_machine(<$mir: lifetime, $tcx: lifetime>) { type Bytes = Box<[u8]>; #[inline(always)] - fn ignore_optional_overflow_checks(_ecx: &InterpCx<$mir, $tcx, Self>) -> bool { + fn ignore_optional_overflow_checks(_ecx: &InterpCx<$tcx, Self>) -> bool { false } #[inline(always)] fn unwind_terminate( - _ecx: &mut InterpCx<$mir, $tcx, Self>, + _ecx: &mut InterpCx<$tcx, Self>, _reason: mir::UnwindTerminateReason, ) -> InterpResult<$tcx> { unreachable!("unwinding cannot happen during compile-time evaluation") @@ -581,7 +578,7 @@ pub macro compile_time_machine(<$mir: lifetime, $tcx: lifetime>) { #[inline(always)] fn call_extra_fn( - _ecx: &mut InterpCx<$mir, $tcx, Self>, + _ecx: &mut InterpCx<$tcx, Self>, fn_val: !, _abi: CallAbi, _args: &[FnArg<$tcx>], @@ -594,7 +591,7 @@ pub macro compile_time_machine(<$mir: lifetime, $tcx: lifetime>) { #[inline(always)] fn adjust_allocation<'b>( - _ecx: &InterpCx<$mir, $tcx, Self>, + _ecx: &InterpCx<$tcx, Self>, _id: AllocId, alloc: Cow<'b, Allocation>, _kind: Option>, @@ -603,7 +600,7 @@ pub macro compile_time_machine(<$mir: lifetime, $tcx: lifetime>) { } fn extern_static_pointer( - ecx: &InterpCx<$mir, $tcx, Self>, + ecx: &InterpCx<$tcx, Self>, def_id: DefId, ) -> InterpResult<$tcx, Pointer> { // Use the `AllocId` associated with the `DefId`. Any actual *access* will fail. @@ -612,7 +609,7 @@ pub macro compile_time_machine(<$mir: lifetime, $tcx: lifetime>) { #[inline(always)] fn adjust_alloc_root_pointer( - _ecx: &InterpCx<$mir, $tcx, Self>, + _ecx: &InterpCx<$tcx, Self>, ptr: Pointer, _kind: Option>, ) -> InterpResult<$tcx, Pointer> { @@ -621,7 +618,7 @@ pub macro compile_time_machine(<$mir: lifetime, $tcx: lifetime>) { #[inline(always)] fn ptr_from_addr_cast( - _ecx: &InterpCx<$mir, $tcx, Self>, + _ecx: &InterpCx<$tcx, Self>, addr: u64, ) -> InterpResult<$tcx, Pointer>> { // Allow these casts, but make the pointer not dereferenceable. @@ -632,7 +629,7 @@ pub macro compile_time_machine(<$mir: lifetime, $tcx: lifetime>) { #[inline(always)] fn ptr_get_alloc( - _ecx: &InterpCx<$mir, $tcx, Self>, + _ecx: &InterpCx<$tcx, Self>, ptr: Pointer, ) -> Option<(AllocId, Size, Self::ProvenanceExtra)> { // We know `offset` is relative to the allocation, so we can use `into_parts`. diff --git a/compiler/rustc_const_eval/src/interpret/memory.rs b/compiler/rustc_const_eval/src/interpret/memory.rs index 23273e694441..40bbfaa92c6f 100644 --- a/compiler/rustc_const_eval/src/interpret/memory.rs +++ b/compiler/rustc_const_eval/src/interpret/memory.rs @@ -96,7 +96,7 @@ impl<'tcx, Other> FnVal<'tcx, Other> { // `Memory` has to depend on the `Machine` because some of its operations // (e.g., `get`) call a `Machine` hook. -pub struct Memory<'mir, 'tcx, M: Machine<'mir, 'tcx>> { +pub struct Memory<'tcx, M: Machine<'tcx>> { /// Allocations local to this instance of the interpreter. The kind /// helps ensure that the same mechanism is used for allocation and /// deallocation. When an allocation is not found here, it is a @@ -142,7 +142,7 @@ pub struct AllocRefMut<'a, 'tcx, Prov: Provenance, Extra, Bytes: AllocBytes = Bo alloc_id: AllocId, } -impl<'mir, 'tcx, M: Machine<'mir, 'tcx>> Memory<'mir, 'tcx, M> { +impl<'tcx, M: Machine<'tcx>> Memory<'tcx, M> { pub fn new() -> Self { Memory { alloc_map: M::MemoryMap::default(), @@ -158,7 +158,7 @@ impl<'mir, 'tcx, M: Machine<'mir, 'tcx>> Memory<'mir, 'tcx, M> { } } -impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { +impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { /// Call this to turn untagged "global" pointers (obtained via `tcx`) into /// the machine pointer to the allocation. Must never be used /// for any other pointers, nor for TLS statics. @@ -524,7 +524,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { } } -impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { +impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { /// This function is used by Miri's provenance GC to remove unreachable entries from the dead_alloc_map. pub fn remove_unreachable_allocs(&mut self, reachable_allocs: &FxHashSet) { // Unlike all the other GC helpers where we check if an `AllocId` is found in the interpreter or @@ -536,7 +536,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { } /// Allocation accessors -impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { +impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { /// Helper function to obtain a global (tcx) allocation. /// This attempts to return a reference to an existing allocation if /// one can be found in `tcx`. That, however, is only possible if `tcx` and @@ -888,14 +888,14 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { /// Create a lazy debug printer that prints the given allocation and all allocations it points /// to, recursively. #[must_use] - pub fn dump_alloc<'a>(&'a self, id: AllocId) -> DumpAllocs<'a, 'mir, 'tcx, M> { + pub fn dump_alloc<'a>(&'a self, id: AllocId) -> DumpAllocs<'a, 'tcx, M> { self.dump_allocs(vec![id]) } /// Create a lazy debug printer for a list of allocations and all allocations they point to, /// recursively. #[must_use] - pub fn dump_allocs<'a>(&'a self, mut allocs: Vec) -> DumpAllocs<'a, 'mir, 'tcx, M> { + pub fn dump_allocs<'a>(&'a self, mut allocs: Vec) -> DumpAllocs<'a, 'tcx, M> { allocs.sort(); allocs.dedup(); DumpAllocs { ecx: self, allocs } @@ -975,12 +975,12 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { #[doc(hidden)] /// There's no way to use this directly, it's just a helper struct for the `dump_alloc(s)` methods. -pub struct DumpAllocs<'a, 'mir, 'tcx, M: Machine<'mir, 'tcx>> { - ecx: &'a InterpCx<'mir, 'tcx, M>, +pub struct DumpAllocs<'a, 'tcx, M: Machine<'tcx>> { + ecx: &'a InterpCx<'tcx, M>, allocs: Vec, } -impl<'a, 'mir, 'tcx, M: Machine<'mir, 'tcx>> std::fmt::Debug for DumpAllocs<'a, 'mir, 'tcx, M> { +impl<'a, 'tcx, M: Machine<'tcx>> std::fmt::Debug for DumpAllocs<'a, 'tcx, M> { fn fmt(&self, fmt: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { // Cannot be a closure because it is generic in `Prov`, `Extra`. fn write_allocation_track_relocs<'tcx, Prov: Provenance, Extra, Bytes: AllocBytes>( @@ -1125,7 +1125,7 @@ impl<'tcx, 'a, Prov: Provenance, Extra, Bytes: AllocBytes> AllocRef<'a, 'tcx, Pr } } -impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { +impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { /// Reads the given number of bytes from memory, and strips their provenance if possible. /// Returns them as a slice. /// @@ -1338,7 +1338,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { } /// Machine pointer introspection. -impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { +impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { /// Test if this value might be null. /// If the machine does not support ptr-to-int casts, this is conservative. pub fn scalar_may_be_null(&self, scalar: Scalar) -> InterpResult<'tcx, bool> { diff --git a/compiler/rustc_const_eval/src/interpret/operand.rs b/compiler/rustc_const_eval/src/interpret/operand.rs index 8f01b8720104..bbb2c2f39385 100644 --- a/compiler/rustc_const_eval/src/interpret/operand.rs +++ b/compiler/rustc_const_eval/src/interpret/operand.rs @@ -374,21 +374,21 @@ impl<'tcx, Prov: Provenance> Projectable<'tcx, Prov> for ImmTy<'tcx, Prov> { MemPlaceMeta::None } - fn offset_with_meta<'mir, M: Machine<'mir, 'tcx, Provenance = Prov>>( + fn offset_with_meta>( &self, offset: Size, _mode: OffsetMode, meta: MemPlaceMeta, layout: TyAndLayout<'tcx>, - ecx: &InterpCx<'mir, 'tcx, M>, + ecx: &InterpCx<'tcx, M>, ) -> InterpResult<'tcx, Self> { assert_matches!(meta, MemPlaceMeta::None); // we can't store this anywhere anyway Ok(self.offset_(offset, layout, ecx)) } - fn to_op<'mir, M: Machine<'mir, 'tcx, Provenance = Prov>>( + fn to_op>( &self, - _ecx: &InterpCx<'mir, 'tcx, M>, + _ecx: &InterpCx<'tcx, M>, ) -> InterpResult<'tcx, OpTy<'tcx, M::Provenance>> { Ok(self.clone().into()) } @@ -457,13 +457,13 @@ impl<'tcx, Prov: Provenance> Projectable<'tcx, Prov> for OpTy<'tcx, Prov> { } } - fn offset_with_meta<'mir, M: Machine<'mir, 'tcx, Provenance = Prov>>( + fn offset_with_meta>( &self, offset: Size, mode: OffsetMode, meta: MemPlaceMeta, layout: TyAndLayout<'tcx>, - ecx: &InterpCx<'mir, 'tcx, M>, + ecx: &InterpCx<'tcx, M>, ) -> InterpResult<'tcx, Self> { match self.as_mplace_or_imm() { Left(mplace) => Ok(mplace.offset_with_meta(offset, mode, meta, layout, ecx)?.into()), @@ -475,9 +475,9 @@ impl<'tcx, Prov: Provenance> Projectable<'tcx, Prov> for OpTy<'tcx, Prov> { } } - fn to_op<'mir, M: Machine<'mir, 'tcx, Provenance = Prov>>( + fn to_op>( &self, - _ecx: &InterpCx<'mir, 'tcx, M>, + _ecx: &InterpCx<'tcx, M>, ) -> InterpResult<'tcx, OpTy<'tcx, M::Provenance>> { Ok(self.clone()) } @@ -509,7 +509,7 @@ impl<'tcx, Prov: Provenance> Readable<'tcx, Prov> for ImmTy<'tcx, Prov> { } } -impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { +impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { /// Try reading an immediate in memory; this is interesting particularly for `ScalarPair`. /// Returns `None` if the layout does not permit loading this as a value. /// diff --git a/compiler/rustc_const_eval/src/interpret/operator.rs b/compiler/rustc_const_eval/src/interpret/operator.rs index 62641b868e62..d23f0c4d45b0 100644 --- a/compiler/rustc_const_eval/src/interpret/operator.rs +++ b/compiler/rustc_const_eval/src/interpret/operator.rs @@ -11,7 +11,7 @@ use tracing::trace; use super::{err_ub, throw_ub, ImmTy, InterpCx, Machine}; -impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { +impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { fn three_way_compare(&self, lhs: T, rhs: T) -> ImmTy<'tcx, M::Provenance> { let res = Ord::cmp(&lhs, &rhs); return ImmTy::from_ordering(res, *self.tcx); diff --git a/compiler/rustc_const_eval/src/interpret/place.rs b/compiler/rustc_const_eval/src/interpret/place.rs index 588db0f547f8..4a86ec3f57a4 100644 --- a/compiler/rustc_const_eval/src/interpret/place.rs +++ b/compiler/rustc_const_eval/src/interpret/place.rs @@ -77,12 +77,12 @@ impl MemPlace { #[inline] // Not called `offset_with_meta` to avoid confusion with the trait method. - fn offset_with_meta_<'mir, 'tcx, M: Machine<'mir, 'tcx, Provenance = Prov>>( + fn offset_with_meta_<'tcx, M: Machine<'tcx, Provenance = Prov>>( self, offset: Size, mode: OffsetMode, meta: MemPlaceMeta, - ecx: &InterpCx<'mir, 'tcx, M>, + ecx: &InterpCx<'tcx, M>, ) -> InterpResult<'tcx, Self> { debug_assert!( !meta.has_meta() || self.meta.has_meta(), @@ -162,20 +162,20 @@ impl<'tcx, Prov: Provenance> Projectable<'tcx, Prov> for MPlaceTy<'tcx, Prov> { self.mplace.meta } - fn offset_with_meta<'mir, M: Machine<'mir, 'tcx, Provenance = Prov>>( + fn offset_with_meta>( &self, offset: Size, mode: OffsetMode, meta: MemPlaceMeta, layout: TyAndLayout<'tcx>, - ecx: &InterpCx<'mir, 'tcx, M>, + ecx: &InterpCx<'tcx, M>, ) -> InterpResult<'tcx, Self> { Ok(MPlaceTy { mplace: self.mplace.offset_with_meta_(offset, mode, meta, ecx)?, layout }) } - fn to_op<'mir, M: Machine<'mir, 'tcx, Provenance = Prov>>( + fn to_op>( &self, - _ecx: &InterpCx<'mir, 'tcx, M>, + _ecx: &InterpCx<'tcx, M>, ) -> InterpResult<'tcx, OpTy<'tcx, M::Provenance>> { Ok(self.clone().into()) } @@ -274,13 +274,13 @@ impl<'tcx, Prov: Provenance> Projectable<'tcx, Prov> for PlaceTy<'tcx, Prov> { } } - fn offset_with_meta<'mir, M: Machine<'mir, 'tcx, Provenance = Prov>>( + fn offset_with_meta>( &self, offset: Size, mode: OffsetMode, meta: MemPlaceMeta, layout: TyAndLayout<'tcx>, - ecx: &InterpCx<'mir, 'tcx, M>, + ecx: &InterpCx<'tcx, M>, ) -> InterpResult<'tcx, Self> { Ok(match self.as_mplace_or_local() { Left(mplace) => mplace.offset_with_meta(offset, mode, meta, layout, ecx)?.into(), @@ -305,9 +305,9 @@ impl<'tcx, Prov: Provenance> Projectable<'tcx, Prov> for PlaceTy<'tcx, Prov> { }) } - fn to_op<'mir, M: Machine<'mir, 'tcx, Provenance = Prov>>( + fn to_op>( &self, - ecx: &InterpCx<'mir, 'tcx, M>, + ecx: &InterpCx<'tcx, M>, ) -> InterpResult<'tcx, OpTy<'tcx, M::Provenance>> { ecx.place_to_op(self) } @@ -341,9 +341,9 @@ pub trait Writeable<'tcx, Prov: Provenance>: Projectable<'tcx, Prov> { &self, ) -> Either, (mir::Local, Option, usize, TyAndLayout<'tcx>)>; - fn force_mplace<'mir, M: Machine<'mir, 'tcx, Provenance = Prov>>( + fn force_mplace>( &self, - ecx: &mut InterpCx<'mir, 'tcx, M>, + ecx: &mut InterpCx<'tcx, M>, ) -> InterpResult<'tcx, MPlaceTy<'tcx, Prov>>; } @@ -357,9 +357,9 @@ impl<'tcx, Prov: Provenance> Writeable<'tcx, Prov> for PlaceTy<'tcx, Prov> { } #[inline(always)] - fn force_mplace<'mir, M: Machine<'mir, 'tcx, Provenance = Prov>>( + fn force_mplace>( &self, - ecx: &mut InterpCx<'mir, 'tcx, M>, + ecx: &mut InterpCx<'tcx, M>, ) -> InterpResult<'tcx, MPlaceTy<'tcx, Prov>> { ecx.force_allocation(self) } @@ -374,19 +374,19 @@ impl<'tcx, Prov: Provenance> Writeable<'tcx, Prov> for MPlaceTy<'tcx, Prov> { } #[inline(always)] - fn force_mplace<'mir, M: Machine<'mir, 'tcx, Provenance = Prov>>( + fn force_mplace>( &self, - _ecx: &mut InterpCx<'mir, 'tcx, M>, + _ecx: &mut InterpCx<'tcx, M>, ) -> InterpResult<'tcx, MPlaceTy<'tcx, Prov>> { Ok(self.clone()) } } // FIXME: Working around https://github.com/rust-lang/rust/issues/54385 -impl<'mir, 'tcx: 'mir, Prov, M> InterpCx<'mir, 'tcx, M> +impl<'tcx, Prov, M> InterpCx<'tcx, M> where Prov: Provenance, - M: Machine<'mir, 'tcx, Provenance = Prov>, + M: Machine<'tcx, Provenance = Prov>, { pub fn ptr_with_meta_to_mplace( &self, diff --git a/compiler/rustc_const_eval/src/interpret/projection.rs b/compiler/rustc_const_eval/src/interpret/projection.rs index cfc4d701aa7b..0e594914c3a7 100644 --- a/compiler/rustc_const_eval/src/interpret/projection.rs +++ b/compiler/rustc_const_eval/src/interpret/projection.rs @@ -43,9 +43,9 @@ pub trait Projectable<'tcx, Prov: Provenance>: Sized + std::fmt::Debug { fn meta(&self) -> MemPlaceMeta; /// Get the length of a slice/string/array stored here. - fn len<'mir, M: Machine<'mir, 'tcx, Provenance = Prov>>( + fn len>( &self, - ecx: &InterpCx<'mir, 'tcx, M>, + ecx: &InterpCx<'tcx, M>, ) -> InterpResult<'tcx, u64> { let layout = self.layout(); if layout.is_unsized() { @@ -65,29 +65,29 @@ pub trait Projectable<'tcx, Prov: Provenance>: Sized + std::fmt::Debug { } /// Offset the value by the given amount, replacing the layout and metadata. - fn offset_with_meta<'mir, M: Machine<'mir, 'tcx, Provenance = Prov>>( + fn offset_with_meta>( &self, offset: Size, mode: OffsetMode, meta: MemPlaceMeta, layout: TyAndLayout<'tcx>, - ecx: &InterpCx<'mir, 'tcx, M>, + ecx: &InterpCx<'tcx, M>, ) -> InterpResult<'tcx, Self>; - fn offset<'mir, M: Machine<'mir, 'tcx, Provenance = Prov>>( + fn offset>( &self, offset: Size, layout: TyAndLayout<'tcx>, - ecx: &InterpCx<'mir, 'tcx, M>, + ecx: &InterpCx<'tcx, M>, ) -> InterpResult<'tcx, Self> { assert!(layout.is_sized()); self.offset_with_meta(offset, OffsetMode::Inbounds, MemPlaceMeta::None, layout, ecx) } - fn transmute<'mir, M: Machine<'mir, 'tcx, Provenance = Prov>>( + fn transmute>( &self, layout: TyAndLayout<'tcx>, - ecx: &InterpCx<'mir, 'tcx, M>, + ecx: &InterpCx<'tcx, M>, ) -> InterpResult<'tcx, Self> { assert!(self.layout().is_sized() && layout.is_sized()); assert_eq!(self.layout().size, layout.size); @@ -96,9 +96,9 @@ pub trait Projectable<'tcx, Prov: Provenance>: Sized + std::fmt::Debug { /// Convert this to an `OpTy`. This might be an irreversible transformation, but is useful for /// reading from this thing. - fn to_op<'mir, M: Machine<'mir, 'tcx, Provenance = Prov>>( + fn to_op>( &self, - ecx: &InterpCx<'mir, 'tcx, M>, + ecx: &InterpCx<'tcx, M>, ) -> InterpResult<'tcx, OpTy<'tcx, M::Provenance>>; } @@ -113,9 +113,9 @@ pub struct ArrayIterator<'tcx, 'a, Prov: Provenance, P: Projectable<'tcx, Prov>> impl<'tcx, 'a, Prov: Provenance, P: Projectable<'tcx, Prov>> ArrayIterator<'tcx, 'a, Prov, P> { /// Should be the same `ecx` on each call, and match the one used to create the iterator. - pub fn next<'mir, M: Machine<'mir, 'tcx, Provenance = Prov>>( + pub fn next>( &mut self, - ecx: &InterpCx<'mir, 'tcx, M>, + ecx: &InterpCx<'tcx, M>, ) -> InterpResult<'tcx, Option<(u64, P)>> { let Some(idx) = self.range.next() else { return Ok(None) }; // We use `Wrapping` here since the offset has already been checked when the iterator was created. @@ -133,10 +133,10 @@ impl<'tcx, 'a, Prov: Provenance, P: Projectable<'tcx, Prov>> ArrayIterator<'tcx, } // FIXME: Working around https://github.com/rust-lang/rust/issues/54385 -impl<'mir, 'tcx: 'mir, Prov, M> InterpCx<'mir, 'tcx, M> +impl<'tcx, Prov, M> InterpCx<'tcx, M> where Prov: Provenance, - M: Machine<'mir, 'tcx, Provenance = Prov>, + M: Machine<'tcx, Provenance = Prov>, { /// Offset a pointer to project to a field of a struct/union. Unlike `place_field`, this is /// always possible without allocating, so it can take `&self`. Also return the field's layout. diff --git a/compiler/rustc_const_eval/src/interpret/step.rs b/compiler/rustc_const_eval/src/interpret/step.rs index 58210fe39713..d0bb821862aa 100644 --- a/compiler/rustc_const_eval/src/interpret/step.rs +++ b/compiler/rustc_const_eval/src/interpret/step.rs @@ -16,7 +16,7 @@ use super::{ }; use crate::util; -impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { +impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { /// Returns `true` as long as there are more things to do. /// /// This is used by [priroda](https://github.com/oli-obk/priroda) diff --git a/compiler/rustc_const_eval/src/interpret/terminator.rs b/compiler/rustc_const_eval/src/interpret/terminator.rs index 360cefb5a1fe..0649bb5617ce 100644 --- a/compiler/rustc_const_eval/src/interpret/terminator.rs +++ b/compiler/rustc_const_eval/src/interpret/terminator.rs @@ -46,7 +46,7 @@ impl<'tcx, Prov: Provenance> FnArg<'tcx, Prov> { } } -impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { +impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { /// Make a copy of the given fn_arg. Any `InPlace` are degenerated to copies, no protection of the /// original memory occurs. pub fn copy_fn_arg(&self, arg: &FnArg<'tcx, M::Provenance>) -> OpTy<'tcx, M::Provenance> { diff --git a/compiler/rustc_const_eval/src/interpret/traits.rs b/compiler/rustc_const_eval/src/interpret/traits.rs index 8b5904594051..244a6ba48a4d 100644 --- a/compiler/rustc_const_eval/src/interpret/traits.rs +++ b/compiler/rustc_const_eval/src/interpret/traits.rs @@ -7,7 +7,7 @@ use tracing::trace; use super::util::ensure_monomorphic_enough; use super::{InterpCx, Machine}; -impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { +impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { /// Creates a dynamic vtable for the given type and vtable origin. This is used only for /// objects. /// diff --git a/compiler/rustc_const_eval/src/interpret/util.rs b/compiler/rustc_const_eval/src/interpret/util.rs index e7fc7d0e4efd..10fd6399b9a3 100644 --- a/compiler/rustc_const_eval/src/interpret/util.rs +++ b/compiler/rustc_const_eval/src/interpret/util.rs @@ -82,9 +82,9 @@ where } impl<'tcx> InterpretationResult<'tcx> for mir::interpret::ConstAllocation<'tcx> { - fn make_result<'mir>( + fn make_result( mplace: MPlaceTy<'tcx>, - ecx: &mut InterpCx<'mir, 'tcx, CompileTimeInterpreter<'tcx>>, + ecx: &mut InterpCx<'tcx, CompileTimeInterpreter<'tcx>>, ) -> Self { let alloc_id = mplace.ptr().provenance.unwrap().alloc_id(); let alloc = ecx.memory.alloc_map.swap_remove(&alloc_id).unwrap().1; @@ -92,8 +92,8 @@ impl<'tcx> InterpretationResult<'tcx> for mir::interpret::ConstAllocation<'tcx> } } -pub(crate) fn create_static_alloc<'mir, 'tcx: 'mir>( - ecx: &mut CompileTimeEvalContext<'mir, 'tcx>, +pub(crate) fn create_static_alloc<'tcx>( + ecx: &mut CompileTimeEvalContext<'tcx>, static_def_id: LocalDefId, layout: TyAndLayout<'tcx>, ) -> InterpResult<'tcx, MPlaceTy<'tcx>> { diff --git a/compiler/rustc_const_eval/src/interpret/validity.rs b/compiler/rustc_const_eval/src/interpret/validity.rs index cf6027a312fa..e35ce9ef28d6 100644 --- a/compiler/rustc_const_eval/src/interpret/validity.rs +++ b/compiler/rustc_const_eval/src/interpret/validity.rs @@ -205,7 +205,7 @@ fn write_path(out: &mut String, path: &[PathElem]) { } } -struct ValidityVisitor<'rt, 'mir, 'tcx, M: Machine<'mir, 'tcx>> { +struct ValidityVisitor<'rt, 'tcx, M: Machine<'tcx>> { /// The `path` may be pushed to, but the part that is present when a function /// starts must not be changed! `visit_fields` and `visit_array` rely on /// this stack discipline. @@ -213,10 +213,10 @@ struct ValidityVisitor<'rt, 'mir, 'tcx, M: Machine<'mir, 'tcx>> { ref_tracking: Option<&'rt mut RefTracking, Vec>>, /// `None` indicates this is not validating for CTFE (but for runtime). ctfe_mode: Option, - ecx: &'rt InterpCx<'mir, 'tcx, M>, + ecx: &'rt InterpCx<'tcx, M>, } -impl<'rt, 'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> ValidityVisitor<'rt, 'mir, 'tcx, M> { +impl<'rt, 'tcx, M: Machine<'tcx>> ValidityVisitor<'rt, 'tcx, M> { fn aggregate_field_path_elem(&mut self, layout: TyAndLayout<'tcx>, field: usize) -> PathElem { // First, check if we are projecting to a variant. match layout.variants { @@ -706,10 +706,7 @@ impl<'rt, 'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> ValidityVisitor<'rt, 'mir, ' /// Returns whether the allocation is mutable, and whether it's actually a static. /// For "root" statics we look at the type to account for interior /// mutability; for nested statics we have no type and directly use the annotated mutability. -fn mutability<'mir, 'tcx: 'mir>( - ecx: &InterpCx<'mir, 'tcx, impl Machine<'mir, 'tcx>>, - alloc_id: AllocId, -) -> Mutability { +fn mutability<'tcx>(ecx: &InterpCx<'tcx, impl Machine<'tcx>>, alloc_id: AllocId) -> Mutability { // Let's see what kind of memory this points to. // We're not using `try_global_alloc` since dangling pointers have already been handled. match ecx.tcx.global_alloc(alloc_id) { @@ -751,13 +748,11 @@ fn mutability<'mir, 'tcx: 'mir>( } } -impl<'rt, 'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> ValueVisitor<'mir, 'tcx, M> - for ValidityVisitor<'rt, 'mir, 'tcx, M> -{ +impl<'rt, 'tcx, M: Machine<'tcx>> ValueVisitor<'tcx, M> for ValidityVisitor<'rt, 'tcx, M> { type V = OpTy<'tcx, M::Provenance>; #[inline(always)] - fn ecx(&self) -> &InterpCx<'mir, 'tcx, M> { + fn ecx(&self) -> &InterpCx<'tcx, M> { self.ecx } @@ -1009,7 +1004,7 @@ impl<'rt, 'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> ValueVisitor<'mir, 'tcx, M> } } -impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { +impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { fn validate_operand_internal( &self, op: &OpTy<'tcx, M::Provenance>, diff --git a/compiler/rustc_const_eval/src/interpret/visitor.rs b/compiler/rustc_const_eval/src/interpret/visitor.rs index 692eb6c17e6c..b812e89854b2 100644 --- a/compiler/rustc_const_eval/src/interpret/visitor.rs +++ b/compiler/rustc_const_eval/src/interpret/visitor.rs @@ -13,11 +13,11 @@ use std::num::NonZero; use super::{throw_inval, InterpCx, MPlaceTy, Machine, Projectable}; /// How to traverse a value and what to do when we are at the leaves. -pub trait ValueVisitor<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>>: Sized { +pub trait ValueVisitor<'tcx, M: Machine<'tcx>>: Sized { type V: Projectable<'tcx, M::Provenance> + From>; /// The visitor must have an `InterpCx` in it. - fn ecx(&self) -> &InterpCx<'mir, 'tcx, M>; + fn ecx(&self) -> &InterpCx<'tcx, M>; /// `read_discriminant` can be hooked for better error messages. #[inline(always)] diff --git a/compiler/rustc_const_eval/src/util/caller_location.rs b/compiler/rustc_const_eval/src/util/caller_location.rs index bc5fe39f8673..62c5f8734a24 100644 --- a/compiler/rustc_const_eval/src/util/caller_location.rs +++ b/compiler/rustc_const_eval/src/util/caller_location.rs @@ -11,8 +11,8 @@ use crate::const_eval::{mk_eval_cx_to_read_const_val, CanAccessMutGlobal, Compil use crate::interpret::*; /// Allocate a `const core::panic::Location` with the provided filename and line/column numbers. -fn alloc_caller_location<'mir, 'tcx>( - ecx: &mut CompileTimeEvalContext<'mir, 'tcx>, +fn alloc_caller_location<'tcx>( + ecx: &mut CompileTimeEvalContext<'tcx>, filename: Symbol, line: u32, col: u32, diff --git a/compiler/rustc_mir_transform/src/dataflow_const_prop.rs b/compiler/rustc_mir_transform/src/dataflow_const_prop.rs index e5bce30398de..e88b727a21e9 100644 --- a/compiler/rustc_mir_transform/src/dataflow_const_prop.rs +++ b/compiler/rustc_mir_transform/src/dataflow_const_prop.rs @@ -69,7 +69,7 @@ struct ConstAnalysis<'a, 'tcx> { map: Map, tcx: TyCtxt<'tcx>, local_decls: &'a LocalDecls<'tcx>, - ecx: InterpCx<'tcx, 'tcx, DummyMachine>, + ecx: InterpCx<'tcx, DummyMachine>, param_env: ty::ParamEnv<'tcx>, } @@ -143,10 +143,9 @@ impl<'tcx> ValueAnalysis<'tcx> for ConstAnalysis<'_, 'tcx> { }; if let Some(variant_target_idx) = variant_target { for (field_index, operand) in operands.iter_enumerated() { - if let Some(field) = self.map().apply( - variant_target_idx, - TrackElem::Field(field_index), - ) { + if let Some(field) = + self.map().apply(variant_target_idx, TrackElem::Field(field_index)) + { self.assign_operand(state, field, operand); } } @@ -565,7 +564,7 @@ impl<'tcx, 'locals> Collector<'tcx, 'locals> { fn try_make_constant( &self, - ecx: &mut InterpCx<'tcx, 'tcx, DummyMachine>, + ecx: &mut InterpCx<'tcx, DummyMachine>, place: Place<'tcx>, state: &State>, map: &Map, @@ -618,7 +617,7 @@ fn propagatable_scalar( #[instrument(level = "trace", skip(ecx, state, map))] fn try_write_constant<'tcx>( - ecx: &mut InterpCx<'_, 'tcx, DummyMachine>, + ecx: &mut InterpCx<'tcx, DummyMachine>, dest: &PlaceTy<'tcx>, place: PlaceIndex, ty: Ty<'tcx>, @@ -836,7 +835,7 @@ impl<'tcx> MutVisitor<'tcx> for Patch<'tcx> { struct OperandCollector<'tcx, 'map, 'locals, 'a> { state: &'a State>, visitor: &'a mut Collector<'tcx, 'locals>, - ecx: &'map mut InterpCx<'tcx, 'tcx, DummyMachine>, + ecx: &'map mut InterpCx<'tcx, DummyMachine>, map: &'map Map, } diff --git a/compiler/rustc_mir_transform/src/gvn.rs b/compiler/rustc_mir_transform/src/gvn.rs index 9d2e7153eb56..fadb5edefdfb 100644 --- a/compiler/rustc_mir_transform/src/gvn.rs +++ b/compiler/rustc_mir_transform/src/gvn.rs @@ -234,7 +234,7 @@ enum Value<'tcx> { struct VnState<'body, 'tcx> { tcx: TyCtxt<'tcx>, - ecx: InterpCx<'tcx, 'tcx, DummyMachine>, + ecx: InterpCx<'tcx, DummyMachine>, param_env: ty::ParamEnv<'tcx>, local_decls: &'body LocalDecls<'tcx>, /// Value stored in each local. @@ -1139,7 +1139,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { } fn op_to_prop_const<'tcx>( - ecx: &mut InterpCx<'_, 'tcx, DummyMachine>, + ecx: &mut InterpCx<'tcx, DummyMachine>, op: &OpTy<'tcx>, ) -> Option> { // Do not attempt to propagate unsized locals. diff --git a/compiler/rustc_mir_transform/src/jump_threading.rs b/compiler/rustc_mir_transform/src/jump_threading.rs index ae807655b68d..23cc0c46e739 100644 --- a/compiler/rustc_mir_transform/src/jump_threading.rs +++ b/compiler/rustc_mir_transform/src/jump_threading.rs @@ -155,7 +155,7 @@ struct ThreadingOpportunity { struct TOFinder<'tcx, 'a> { tcx: TyCtxt<'tcx>, param_env: ty::ParamEnv<'tcx>, - ecx: InterpCx<'tcx, 'tcx, DummyMachine>, + ecx: InterpCx<'tcx, DummyMachine>, body: &'a Body<'tcx>, map: &'a Map, loop_headers: &'a BitSet, diff --git a/compiler/rustc_mir_transform/src/known_panics_lint.rs b/compiler/rustc_mir_transform/src/known_panics_lint.rs index 0fa5c1b91261..9ba22870403f 100644 --- a/compiler/rustc_mir_transform/src/known_panics_lint.rs +++ b/compiler/rustc_mir_transform/src/known_panics_lint.rs @@ -64,7 +64,7 @@ impl<'tcx> MirLint<'tcx> for KnownPanicsLint { /// Visits MIR nodes, performs const propagation /// and runs lint checks as it goes struct ConstPropagator<'mir, 'tcx> { - ecx: InterpCx<'mir, 'tcx, DummyMachine>, + ecx: InterpCx<'tcx, DummyMachine>, tcx: TyCtxt<'tcx>, param_env: ParamEnv<'tcx>, worklist: Vec, diff --git a/src/tools/miri/src/alloc_addresses/mod.rs b/src/tools/miri/src/alloc_addresses/mod.rs index 9ec9ae317f4f..002e10620610 100644 --- a/src/tools/miri/src/alloc_addresses/mod.rs +++ b/src/tools/miri/src/alloc_addresses/mod.rs @@ -85,7 +85,7 @@ impl GlobalStateInner { } } - pub fn remove_unreachable_allocs(&mut self, allocs: &LiveAllocs<'_, '_, '_>) { + pub fn remove_unreachable_allocs(&mut self, allocs: &LiveAllocs<'_, '_>) { // `exposed` and `int_to_ptr_map` are cleared immediately when an allocation // is freed, so `base_addr` is the only one we have to clean up based on the GC. self.base_addr.retain(|id, _| allocs.is_live(*id)); @@ -101,8 +101,8 @@ fn align_addr(addr: u64, align: u64) -> u64 { } } -impl<'mir, 'tcx: 'mir> EvalContextExtPriv<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -trait EvalContextExtPriv<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExtPriv<'tcx> for crate::MiriInterpCx<'tcx> {} +trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { // Returns the exposed `AllocId` that corresponds to the specified addr, // or `None` if the addr is out of bounds fn alloc_id_from_addr(&self, addr: u64) -> Option { @@ -234,8 +234,8 @@ trait EvalContextExtPriv<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } } -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn expose_ptr(&mut self, alloc_id: AllocId, tag: BorTag) -> InterpResult<'tcx> { let ecx = self.eval_context_mut(); let global_state = ecx.machine.alloc_addresses.get_mut(); @@ -341,7 +341,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } } -impl<'mir, 'tcx> MiriMachine<'mir, 'tcx> { +impl<'tcx> MiriMachine<'tcx> { pub fn free_alloc_id(&mut self, dead_id: AllocId, size: Size, align: Align, kind: MemoryKind) { let global_state = self.alloc_addresses.get_mut(); let rng = self.rng.get_mut(); diff --git a/src/tools/miri/src/borrow_tracker/mod.rs b/src/tools/miri/src/borrow_tracker/mod.rs index 6884fecdf8a6..a55ec427d5f0 100644 --- a/src/tools/miri/src/borrow_tracker/mod.rs +++ b/src/tools/miri/src/borrow_tracker/mod.rs @@ -192,7 +192,7 @@ impl GlobalStateInner { id } - pub fn new_frame(&mut self, machine: &MiriMachine<'_, '_>) -> FrameState { + pub fn new_frame(&mut self, machine: &MiriMachine<'_>) -> FrameState { let call_id = self.next_call_id; trace!("new_frame: Assigning call ID {}", call_id); if self.tracked_call_ids.contains(&call_id) { @@ -213,7 +213,7 @@ impl GlobalStateInner { } } - pub fn root_ptr_tag(&mut self, id: AllocId, machine: &MiriMachine<'_, '_>) -> BorTag { + pub fn root_ptr_tag(&mut self, id: AllocId, machine: &MiriMachine<'_>) -> BorTag { self.root_ptr_tags.get(&id).copied().unwrap_or_else(|| { let tag = self.new_ptr(); if self.tracked_pointer_tags.contains(&tag) { @@ -229,7 +229,7 @@ impl GlobalStateInner { }) } - pub fn remove_unreachable_allocs(&mut self, allocs: &LiveAllocs<'_, '_, '_>) { + pub fn remove_unreachable_allocs(&mut self, allocs: &LiveAllocs<'_, '_>) { self.root_ptr_tags.retain(|id, _| allocs.is_live(*id)); } } @@ -261,7 +261,7 @@ impl GlobalStateInner { id: AllocId, alloc_size: Size, kind: MemoryKind, - machine: &MiriMachine<'_, '_>, + machine: &MiriMachine<'_>, ) -> AllocState { match self.borrow_tracker_method { BorrowTrackerMethod::StackedBorrows => @@ -276,8 +276,8 @@ impl GlobalStateInner { } } -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn retag_ptr_value( &mut self, kind: RetagKind, @@ -431,7 +431,7 @@ impl AllocState { alloc_id: AllocId, prov_extra: ProvenanceExtra, range: AllocRange, - machine: &MiriMachine<'_, 'tcx>, + machine: &MiriMachine<'tcx>, ) -> InterpResult<'tcx> { match self { AllocState::StackedBorrows(sb) => @@ -452,7 +452,7 @@ impl AllocState { alloc_id: AllocId, prov_extra: ProvenanceExtra, range: AllocRange, - machine: &MiriMachine<'_, 'tcx>, + machine: &MiriMachine<'tcx>, ) -> InterpResult<'tcx> { match self { AllocState::StackedBorrows(sb) => @@ -473,7 +473,7 @@ impl AllocState { alloc_id: AllocId, prov_extra: ProvenanceExtra, size: Size, - machine: &MiriMachine<'_, 'tcx>, + machine: &MiriMachine<'tcx>, ) -> InterpResult<'tcx> { match self { AllocState::StackedBorrows(sb) => @@ -493,7 +493,7 @@ impl AllocState { /// Tree Borrows needs to be told when a tag stops being protected. pub fn release_protector<'tcx>( &self, - machine: &MiriMachine<'_, 'tcx>, + machine: &MiriMachine<'tcx>, global: &GlobalState, tag: BorTag, alloc_id: AllocId, // diagnostics diff --git a/src/tools/miri/src/borrow_tracker/stacked_borrows/diagnostics.rs b/src/tools/miri/src/borrow_tracker/stacked_borrows/diagnostics.rs index cb677b865311..8270a8c321ce 100644 --- a/src/tools/miri/src/borrow_tracker/stacked_borrows/diagnostics.rs +++ b/src/tools/miri/src/borrow_tracker/stacked_borrows/diagnostics.rs @@ -115,29 +115,29 @@ pub struct TagHistory { pub protected: Option<(String, SpanData)>, } -pub struct DiagnosticCxBuilder<'ecx, 'mir, 'tcx> { +pub struct DiagnosticCxBuilder<'ecx, 'tcx> { operation: Operation, - machine: &'ecx MiriMachine<'mir, 'tcx>, + machine: &'ecx MiriMachine<'tcx>, } -pub struct DiagnosticCx<'history, 'ecx, 'mir, 'tcx> { +pub struct DiagnosticCx<'history, 'ecx, 'tcx> { operation: Operation, - machine: &'ecx MiriMachine<'mir, 'tcx>, + machine: &'ecx MiriMachine<'tcx>, history: &'history mut AllocHistory, offset: Size, } -impl<'ecx, 'mir, 'tcx> DiagnosticCxBuilder<'ecx, 'mir, 'tcx> { +impl<'ecx, 'tcx> DiagnosticCxBuilder<'ecx, 'tcx> { pub fn build<'history>( self, history: &'history mut AllocHistory, offset: Size, - ) -> DiagnosticCx<'history, 'ecx, 'mir, 'tcx> { + ) -> DiagnosticCx<'history, 'ecx, 'tcx> { DiagnosticCx { operation: self.operation, machine: self.machine, history, offset } } pub fn retag( - machine: &'ecx MiriMachine<'mir, 'tcx>, + machine: &'ecx MiriMachine<'tcx>, info: RetagInfo, new_tag: BorTag, orig_tag: ProvenanceExtra, @@ -150,7 +150,7 @@ impl<'ecx, 'mir, 'tcx> DiagnosticCxBuilder<'ecx, 'mir, 'tcx> { } pub fn read( - machine: &'ecx MiriMachine<'mir, 'tcx>, + machine: &'ecx MiriMachine<'tcx>, tag: ProvenanceExtra, range: AllocRange, ) -> Self { @@ -159,7 +159,7 @@ impl<'ecx, 'mir, 'tcx> DiagnosticCxBuilder<'ecx, 'mir, 'tcx> { } pub fn write( - machine: &'ecx MiriMachine<'mir, 'tcx>, + machine: &'ecx MiriMachine<'tcx>, tag: ProvenanceExtra, range: AllocRange, ) -> Self { @@ -167,14 +167,14 @@ impl<'ecx, 'mir, 'tcx> DiagnosticCxBuilder<'ecx, 'mir, 'tcx> { DiagnosticCxBuilder { machine, operation } } - pub fn dealloc(machine: &'ecx MiriMachine<'mir, 'tcx>, tag: ProvenanceExtra) -> Self { + pub fn dealloc(machine: &'ecx MiriMachine<'tcx>, tag: ProvenanceExtra) -> Self { let operation = Operation::Dealloc(DeallocOp { tag }); DiagnosticCxBuilder { machine, operation } } } -impl<'history, 'ecx, 'mir, 'tcx> DiagnosticCx<'history, 'ecx, 'mir, 'tcx> { - pub fn unbuild(self) -> DiagnosticCxBuilder<'ecx, 'mir, 'tcx> { +impl<'history, 'ecx, 'tcx> DiagnosticCx<'history, 'ecx, 'tcx> { + pub fn unbuild(self) -> DiagnosticCxBuilder<'ecx, 'tcx> { DiagnosticCxBuilder { machine: self.machine, operation: self.operation } } } @@ -222,7 +222,7 @@ struct DeallocOp { } impl AllocHistory { - pub fn new(id: AllocId, item: Item, machine: &MiriMachine<'_, '_>) -> Self { + pub fn new(id: AllocId, item: Item, machine: &MiriMachine<'_>) -> Self { Self { id, root: (item, machine.current_span()), @@ -239,7 +239,7 @@ impl AllocHistory { } } -impl<'history, 'ecx, 'mir, 'tcx> DiagnosticCx<'history, 'ecx, 'mir, 'tcx> { +impl<'history, 'ecx, 'tcx> DiagnosticCx<'history, 'ecx, 'tcx> { pub fn start_grant(&mut self, perm: Permission) { let Operation::Retag(op) = &mut self.operation else { unreachable!( diff --git a/src/tools/miri/src/borrow_tracker/stacked_borrows/mod.rs b/src/tools/miri/src/borrow_tracker/stacked_borrows/mod.rs index 3da8744626d7..2786668695e2 100644 --- a/src/tools/miri/src/borrow_tracker/stacked_borrows/mod.rs +++ b/src/tools/miri/src/borrow_tracker/stacked_borrows/mod.rs @@ -59,11 +59,7 @@ enum NewPermission { impl NewPermission { /// A key function: determine the permissions to grant at a retag for the given kind of /// reference/pointer. - fn from_ref_ty<'tcx>( - ty: Ty<'tcx>, - kind: RetagKind, - cx: &crate::MiriInterpCx<'_, 'tcx>, - ) -> Self { + fn from_ref_ty<'tcx>(ty: Ty<'tcx>, kind: RetagKind, cx: &crate::MiriInterpCx<'tcx>) -> Self { let protector = (kind == RetagKind::FnEntry).then_some(ProtectorKind::StrongProtector); match ty.kind() { ty::Ref(_, pointee, Mutability::Mut) => { @@ -130,11 +126,7 @@ impl NewPermission { } } - fn from_box_ty<'tcx>( - ty: Ty<'tcx>, - kind: RetagKind, - cx: &crate::MiriInterpCx<'_, 'tcx>, - ) -> Self { + fn from_box_ty<'tcx>(ty: Ty<'tcx>, kind: RetagKind, cx: &crate::MiriInterpCx<'tcx>) -> Self { // `ty` is not the `Box` but the field of the Box with this pointer (due to allocator handling). let pointee = ty.builtin_deref(true).unwrap(); if pointee.is_unpin(*cx.tcx, cx.param_env()) { @@ -230,7 +222,7 @@ impl<'tcx> Stack { fn item_invalidated( item: &Item, global: &GlobalStateInner, - dcx: &DiagnosticCx<'_, '_, '_, 'tcx>, + dcx: &DiagnosticCx<'_, '_, 'tcx>, cause: ItemInvalidationCause, ) -> InterpResult<'tcx> { if !global.tracked_pointer_tags.is_empty() { @@ -275,7 +267,7 @@ impl<'tcx> Stack { access: AccessKind, tag: ProvenanceExtra, global: &GlobalStateInner, - dcx: &mut DiagnosticCx<'_, '_, '_, 'tcx>, + dcx: &mut DiagnosticCx<'_, '_, 'tcx>, exposed_tags: &FxHashSet, ) -> InterpResult<'tcx> { // Two main steps: Find granting item, remove incompatible items above. @@ -362,7 +354,7 @@ impl<'tcx> Stack { &mut self, tag: ProvenanceExtra, global: &GlobalStateInner, - dcx: &mut DiagnosticCx<'_, '_, '_, 'tcx>, + dcx: &mut DiagnosticCx<'_, '_, 'tcx>, exposed_tags: &FxHashSet, ) -> InterpResult<'tcx> { // Step 1: Make a write access. @@ -387,7 +379,7 @@ impl<'tcx> Stack { new: Item, access: Option, global: &GlobalStateInner, - dcx: &mut DiagnosticCx<'_, '_, '_, 'tcx>, + dcx: &mut DiagnosticCx<'_, '_, 'tcx>, exposed_tags: &FxHashSet, ) -> InterpResult<'tcx> { dcx.start_grant(new.perm()); @@ -471,7 +463,7 @@ impl<'tcx> Stacks { perm: Permission, tag: BorTag, id: AllocId, - machine: &MiriMachine<'_, '_>, + machine: &MiriMachine<'_>, ) -> Self { let item = Item::new(tag, perm, false); let stack = Stack::new(item); @@ -487,10 +479,10 @@ impl<'tcx> Stacks { fn for_each( &mut self, range: AllocRange, - mut dcx_builder: DiagnosticCxBuilder<'_, '_, 'tcx>, + mut dcx_builder: DiagnosticCxBuilder<'_, 'tcx>, mut f: impl FnMut( &mut Stack, - &mut DiagnosticCx<'_, '_, '_, 'tcx>, + &mut DiagnosticCx<'_, '_, 'tcx>, &mut FxHashSet, ) -> InterpResult<'tcx>, ) -> InterpResult<'tcx> { @@ -510,7 +502,7 @@ impl Stacks { size: Size, state: &mut GlobalStateInner, kind: MemoryKind, - machine: &MiriMachine<'_, '_>, + machine: &MiriMachine<'_>, ) -> Self { let (base_tag, perm) = match kind { // New unique borrow. This tag is not accessible by the program, @@ -526,12 +518,12 @@ impl Stacks { } #[inline(always)] - pub fn before_memory_read<'tcx, 'mir, 'ecx>( + pub fn before_memory_read<'ecx, 'tcx>( &mut self, alloc_id: AllocId, tag: ProvenanceExtra, range: AllocRange, - machine: &'ecx MiriMachine<'mir, 'tcx>, + machine: &'ecx MiriMachine<'tcx>, ) -> InterpResult<'tcx> where 'tcx: 'ecx, @@ -555,7 +547,7 @@ impl Stacks { alloc_id: AllocId, tag: ProvenanceExtra, range: AllocRange, - machine: &MiriMachine<'_, 'tcx>, + machine: &MiriMachine<'tcx>, ) -> InterpResult<'tcx> { trace!( "write access with tag {:?}: {:?}, size {}", @@ -576,7 +568,7 @@ impl Stacks { alloc_id: AllocId, tag: ProvenanceExtra, size: Size, - machine: &MiriMachine<'_, 'tcx>, + machine: &MiriMachine<'tcx>, ) -> InterpResult<'tcx> { trace!("deallocation with tag {:?}: {:?}, size {}", tag, alloc_id, size.bytes()); let dcx = DiagnosticCxBuilder::dealloc(machine, tag); @@ -590,11 +582,8 @@ impl Stacks { /// Retagging/reborrowing. There is some policy in here, such as which permissions /// to grant for which references, and when to add protectors. -impl<'mir: 'ecx, 'tcx: 'mir, 'ecx> EvalContextPrivExt<'mir, 'tcx, 'ecx> - for crate::MiriInterpCx<'mir, 'tcx> -{ -} -trait EvalContextPrivExt<'mir: 'ecx, 'tcx: 'mir, 'ecx>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx, 'ecx> EvalContextPrivExt<'tcx, 'ecx> for crate::MiriInterpCx<'tcx> {} +trait EvalContextPrivExt<'tcx, 'ecx>: crate::MiriInterpCxExt<'tcx> { /// Returns the provenance that should be used henceforth. fn sb_reborrow( &mut self, @@ -609,7 +598,7 @@ trait EvalContextPrivExt<'mir: 'ecx, 'tcx: 'mir, 'ecx>: crate::MiriInterpCxExt<' this.check_ptr_access(place.ptr(), size, CheckInAllocMsg::InboundsTest)?; // It is crucial that this gets called on all code paths, to ensure we track tag creation. - let log_creation = |this: &MiriInterpCx<'mir, 'tcx>, + let log_creation = |this: &MiriInterpCx<'tcx>, loc: Option<(AllocId, Size, ProvenanceExtra)>| // alloc_id, base_offset, orig_tag -> InterpResult<'tcx> { let global = this.machine.borrow_tracker.as_ref().unwrap().borrow(); @@ -861,8 +850,8 @@ trait EvalContextPrivExt<'mir: 'ecx, 'tcx: 'mir, 'ecx>: crate::MiriInterpCxExt<' } } -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn sb_retag_ptr_value( &mut self, kind: RetagKind, @@ -895,14 +884,14 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { return visitor.visit_value(place); // The actual visitor. - struct RetagVisitor<'ecx, 'mir, 'tcx> { - ecx: &'ecx mut MiriInterpCx<'mir, 'tcx>, + struct RetagVisitor<'ecx, 'tcx> { + ecx: &'ecx mut MiriInterpCx<'tcx>, kind: RetagKind, retag_cause: RetagCause, retag_fields: RetagFields, in_field: bool, } - impl<'ecx, 'mir, 'tcx> RetagVisitor<'ecx, 'mir, 'tcx> { + impl<'ecx, 'tcx> RetagVisitor<'ecx, 'tcx> { #[inline(always)] // yes this helps in our benchmarks fn retag_ptr_inplace( &mut self, @@ -919,13 +908,11 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { Ok(()) } } - impl<'ecx, 'mir, 'tcx> ValueVisitor<'mir, 'tcx, MiriMachine<'mir, 'tcx>> - for RetagVisitor<'ecx, 'mir, 'tcx> - { + impl<'ecx, 'tcx> ValueVisitor<'tcx, MiriMachine<'tcx>> for RetagVisitor<'ecx, 'tcx> { type V = PlaceTy<'tcx, Provenance>; #[inline(always)] - fn ecx(&self) -> &MiriInterpCx<'mir, 'tcx> { + fn ecx(&self) -> &MiriInterpCx<'tcx> { self.ecx } diff --git a/src/tools/miri/src/borrow_tracker/tree_borrows/mod.rs b/src/tools/miri/src/borrow_tracker/tree_borrows/mod.rs index b5bf16d3d366..e1c06b2bd98e 100644 --- a/src/tools/miri/src/borrow_tracker/tree_borrows/mod.rs +++ b/src/tools/miri/src/borrow_tracker/tree_borrows/mod.rs @@ -35,7 +35,7 @@ impl<'tcx> Tree { size: Size, state: &mut GlobalStateInner, _kind: MemoryKind, - machine: &MiriMachine<'_, 'tcx>, + machine: &MiriMachine<'tcx>, ) -> Self { let tag = state.root_ptr_tag(id, machine); // Fresh tag for the root let span = machine.current_span(); @@ -50,7 +50,7 @@ impl<'tcx> Tree { alloc_id: AllocId, prov: ProvenanceExtra, range: AllocRange, - machine: &MiriMachine<'_, 'tcx>, + machine: &MiriMachine<'tcx>, ) -> InterpResult<'tcx> { trace!( "{} with tag {:?}: {:?}, size {}", @@ -84,7 +84,7 @@ impl<'tcx> Tree { alloc_id: AllocId, prov: ProvenanceExtra, size: Size, - machine: &MiriMachine<'_, 'tcx>, + machine: &MiriMachine<'tcx>, ) -> InterpResult<'tcx> { // TODO: for now we bail out on wildcard pointers. Eventually we should // handle them as much as we can. @@ -109,7 +109,7 @@ impl<'tcx> Tree { /// protector. pub fn release_protector( &mut self, - machine: &MiriMachine<'_, 'tcx>, + machine: &MiriMachine<'tcx>, global: &GlobalState, tag: BorTag, alloc_id: AllocId, // diagnostics @@ -146,7 +146,7 @@ impl<'tcx> NewPermission { pointee: Ty<'tcx>, mutability: Mutability, kind: RetagKind, - cx: &crate::MiriInterpCx<'_, 'tcx>, + cx: &crate::MiriInterpCx<'tcx>, ) -> Option { let ty_is_freeze = pointee.is_freeze(*cx.tcx, cx.param_env()); let ty_is_unpin = pointee.is_unpin(*cx.tcx, cx.param_env()); @@ -170,7 +170,7 @@ impl<'tcx> NewPermission { fn from_unique_ty( ty: Ty<'tcx>, kind: RetagKind, - cx: &crate::MiriInterpCx<'_, 'tcx>, + cx: &crate::MiriInterpCx<'tcx>, zero_size: bool, ) -> Option { let pointee = ty.builtin_deref(true).unwrap(); @@ -190,11 +190,8 @@ impl<'tcx> NewPermission { /// Retagging/reborrowing. /// Policy on which permission to grant to each pointer should be left to /// the implementation of NewPermission. -impl<'mir: 'ecx, 'tcx: 'mir, 'ecx> EvalContextPrivExt<'mir, 'tcx, 'ecx> - for crate::MiriInterpCx<'mir, 'tcx> -{ -} -trait EvalContextPrivExt<'mir: 'ecx, 'tcx: 'mir, 'ecx>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextPrivExt<'tcx> for crate::MiriInterpCx<'tcx> {} +trait EvalContextPrivExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// Returns the provenance that should be used henceforth. fn tb_reborrow( &mut self, @@ -210,7 +207,7 @@ trait EvalContextPrivExt<'mir: 'ecx, 'tcx: 'mir, 'ecx>: crate::MiriInterpCxExt<' this.check_ptr_access(place.ptr(), ptr_size, CheckInAllocMsg::InboundsTest)?; // It is crucial that this gets called on all code paths, to ensure we track tag creation. - let log_creation = |this: &MiriInterpCx<'mir, 'tcx>, + let log_creation = |this: &MiriInterpCx<'tcx>, loc: Option<(AllocId, Size, ProvenanceExtra)>| // alloc_id, base_offset, orig_tag -> InterpResult<'tcx> { let global = this.machine.borrow_tracker.as_ref().unwrap().borrow(); @@ -379,8 +376,8 @@ trait EvalContextPrivExt<'mir: 'ecx, 'tcx: 'mir, 'ecx>: crate::MiriInterpCxExt<' } } -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// Retag a pointer. References are passed to `from_ref_ty` and /// raw pointers are never reborrowed. fn tb_retag_ptr_value( @@ -416,13 +413,13 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { return visitor.visit_value(place); // The actual visitor. - struct RetagVisitor<'ecx, 'mir, 'tcx> { - ecx: &'ecx mut MiriInterpCx<'mir, 'tcx>, + struct RetagVisitor<'ecx, 'tcx> { + ecx: &'ecx mut MiriInterpCx<'tcx>, kind: RetagKind, retag_fields: RetagFields, unique_did: Option, } - impl<'ecx, 'mir, 'tcx> RetagVisitor<'ecx, 'mir, 'tcx> { + impl<'ecx, 'tcx> RetagVisitor<'ecx, 'tcx> { #[inline(always)] // yes this helps in our benchmarks fn retag_ptr_inplace( &mut self, @@ -437,13 +434,11 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { Ok(()) } } - impl<'ecx, 'mir, 'tcx> ValueVisitor<'mir, 'tcx, MiriMachine<'mir, 'tcx>> - for RetagVisitor<'ecx, 'mir, 'tcx> - { + impl<'ecx, 'tcx> ValueVisitor<'tcx, MiriMachine<'tcx>> for RetagVisitor<'ecx, 'tcx> { type V = PlaceTy<'tcx, Provenance>; #[inline(always)] - fn ecx(&self) -> &MiriInterpCx<'mir, 'tcx> { + fn ecx(&self) -> &MiriInterpCx<'tcx> { self.ecx } @@ -608,7 +603,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { /// I.e. input is what you get from the visitor upon encountering an `adt` that is `Unique`, /// and output can be used by `retag_ptr_inplace`. fn inner_ptr_of_unique<'tcx>( - ecx: &MiriInterpCx<'_, 'tcx>, + ecx: &MiriInterpCx<'tcx>, place: &PlaceTy<'tcx, Provenance>, ) -> InterpResult<'tcx, PlaceTy<'tcx, Provenance>> { // Follows the same layout as `interpret/visitor.rs:walk_value` for `Box` in diff --git a/src/tools/miri/src/concurrency/data_race.rs b/src/tools/miri/src/concurrency/data_race.rs index b96e3beed459..719c262290ef 100644 --- a/src/tools/miri/src/concurrency/data_race.rs +++ b/src/tools/miri/src/concurrency/data_race.rs @@ -601,8 +601,8 @@ impl MemoryCellClocks { } /// Evaluation context extensions. -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: MiriInterpCxExt<'tcx> { /// Perform an atomic read operation at the memory location. fn read_scalar_atomic( &self, @@ -828,7 +828,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: MiriInterpCxExt<'mir, 'tcx> { /// with this program point. fn release_clock<'a>(&'a self) -> Option> where - 'mir: 'a, + 'tcx: 'a, { let this = self.eval_context_ref(); Some(this.machine.data_race.as_ref()?.release_clock(&this.machine.threads)) @@ -861,7 +861,7 @@ impl VClockAlloc { /// Create a new data-race detector for newly allocated memory. pub fn new_allocation( global: &GlobalState, - thread_mgr: &ThreadManager<'_, '_>, + thread_mgr: &ThreadManager<'_>, len: Size, kind: MemoryKind, current_span: Span, @@ -944,7 +944,7 @@ impl VClockAlloc { #[inline(never)] fn report_data_race<'tcx>( global: &GlobalState, - thread_mgr: &ThreadManager<'_, '_>, + thread_mgr: &ThreadManager<'_>, mem_clocks: &MemoryCellClocks, access: AccessType, access_size: Size, @@ -1042,7 +1042,7 @@ impl VClockAlloc { access_range: AllocRange, read_type: NaReadType, ty: Option>, - machine: &MiriMachine<'_, '_>, + machine: &MiriMachine<'_>, ) -> InterpResult<'tcx> { let current_span = machine.current_span(); let global = machine.data_race.as_ref().unwrap(); @@ -1085,7 +1085,7 @@ impl VClockAlloc { access_range: AllocRange, write_type: NaWriteType, ty: Option>, - machine: &mut MiriMachine<'_, '_>, + machine: &mut MiriMachine<'_>, ) -> InterpResult<'tcx> { let current_span = machine.current_span(); let global = machine.data_race.as_mut().unwrap(); @@ -1120,8 +1120,8 @@ impl VClockAlloc { } } -impl<'mir, 'tcx: 'mir> EvalContextPrivExt<'mir, 'tcx> for MiriInterpCx<'mir, 'tcx> {} -trait EvalContextPrivExt<'mir, 'tcx: 'mir>: MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextPrivExt<'tcx> for MiriInterpCx<'tcx> {} +trait EvalContextPrivExt<'tcx>: MiriInterpCxExt<'tcx> { /// Temporarily allow data-races to occur. This should only be used in /// one of these cases: /// - One of the appropriate `validate_atomic` functions will be called to @@ -1130,7 +1130,7 @@ trait EvalContextPrivExt<'mir, 'tcx: 'mir>: MiriInterpCxExt<'mir, 'tcx> { /// cannot be accessed by the interpreted program. /// - Execution of the interpreted program execution has halted. #[inline] - fn allow_data_races_ref(&self, op: impl FnOnce(&MiriInterpCx<'mir, 'tcx>) -> R) -> R { + fn allow_data_races_ref(&self, op: impl FnOnce(&MiriInterpCx<'tcx>) -> R) -> R { let this = self.eval_context_ref(); if let Some(data_race) = &this.machine.data_race { let old = data_race.ongoing_action_data_race_free.replace(true); @@ -1147,10 +1147,7 @@ trait EvalContextPrivExt<'mir, 'tcx: 'mir>: MiriInterpCxExt<'mir, 'tcx> { /// so should only be used for atomic operations or internal state that the program cannot /// access. #[inline] - fn allow_data_races_mut( - &mut self, - op: impl FnOnce(&mut MiriInterpCx<'mir, 'tcx>) -> R, - ) -> R { + fn allow_data_races_mut(&mut self, op: impl FnOnce(&mut MiriInterpCx<'tcx>) -> R) -> R { let this = self.eval_context_mut(); if let Some(data_race) = &this.machine.data_race { let old = data_race.ongoing_action_data_race_free.replace(true); @@ -1523,7 +1520,7 @@ impl GlobalState { #[inline] pub fn thread_created( &mut self, - thread_mgr: &ThreadManager<'_, '_>, + thread_mgr: &ThreadManager<'_>, thread: ThreadId, current_span: Span, ) { @@ -1591,7 +1588,7 @@ impl GlobalState { /// thread (the joinee, the thread that someone waited on) and the current thread (the joiner, /// the thread who was waiting). #[inline] - pub fn thread_joined(&mut self, threads: &ThreadManager<'_, '_>, joinee: ThreadId) { + pub fn thread_joined(&mut self, threads: &ThreadManager<'_>, joinee: ThreadId) { let thread_info = self.thread_info.borrow(); let thread_info = &thread_info[joinee]; @@ -1633,7 +1630,7 @@ impl GlobalState { /// This should be called strictly before any calls to /// `thread_joined`. #[inline] - pub fn thread_terminated(&mut self, thread_mgr: &ThreadManager<'_, '_>) { + pub fn thread_terminated(&mut self, thread_mgr: &ThreadManager<'_>) { let current_thread = thread_mgr.active_thread(); let current_index = self.active_thread_index(thread_mgr); @@ -1656,7 +1653,7 @@ impl GlobalState { /// operation may create. fn maybe_perform_sync_operation<'tcx>( &self, - thread_mgr: &ThreadManager<'_, '_>, + thread_mgr: &ThreadManager<'_>, current_span: Span, op: impl FnOnce(VectorIdx, RefMut<'_, ThreadClockSet>) -> InterpResult<'tcx, bool>, ) -> InterpResult<'tcx> { @@ -1672,11 +1669,7 @@ impl GlobalState { /// Internal utility to identify a thread stored internally /// returns the id and the name for better diagnostics. - fn print_thread_metadata( - &self, - thread_mgr: &ThreadManager<'_, '_>, - vector: VectorIdx, - ) -> String { + fn print_thread_metadata(&self, thread_mgr: &ThreadManager<'_>, vector: VectorIdx) -> String { let thread = self.vector_info.borrow()[vector]; let thread_name = thread_mgr.get_thread_display_name(thread); format!("thread `{thread_name}`") @@ -1686,7 +1679,7 @@ impl GlobalState { /// the moment when that clock snapshot was taken via `release_clock`. /// As this is an acquire operation, the thread timestamp is not /// incremented. - pub fn acquire_clock<'mir, 'tcx>(&self, clock: &VClock, threads: &ThreadManager<'mir, 'tcx>) { + pub fn acquire_clock<'tcx>(&self, clock: &VClock, threads: &ThreadManager<'tcx>) { let thread = threads.active_thread(); let (_, mut clocks) = self.thread_state_mut(thread); clocks.clock.join(clock); @@ -1695,10 +1688,7 @@ impl GlobalState { /// Returns the `release` clock of the current thread. /// Other threads can acquire this clock in the future to establish synchronization /// with this program point. - pub fn release_clock<'mir, 'tcx>( - &self, - threads: &ThreadManager<'mir, 'tcx>, - ) -> Ref<'_, VClock> { + pub fn release_clock<'tcx>(&self, threads: &ThreadManager<'tcx>) -> Ref<'_, VClock> { let thread = threads.active_thread(); let span = threads.active_thread_ref().current_span(); // We increment the clock each time this happens, to ensure no two releases @@ -1741,7 +1731,7 @@ impl GlobalState { #[inline] pub(super) fn active_thread_state( &self, - thread_mgr: &ThreadManager<'_, '_>, + thread_mgr: &ThreadManager<'_>, ) -> (VectorIdx, Ref<'_, ThreadClockSet>) { self.thread_state(thread_mgr.active_thread()) } @@ -1751,7 +1741,7 @@ impl GlobalState { #[inline] pub(super) fn active_thread_state_mut( &self, - thread_mgr: &ThreadManager<'_, '_>, + thread_mgr: &ThreadManager<'_>, ) -> (VectorIdx, RefMut<'_, ThreadClockSet>) { self.thread_state_mut(thread_mgr.active_thread()) } @@ -1759,19 +1749,19 @@ impl GlobalState { /// Return the current thread, should be the same /// as the data-race active thread. #[inline] - fn active_thread_index(&self, thread_mgr: &ThreadManager<'_, '_>) -> VectorIdx { + fn active_thread_index(&self, thread_mgr: &ThreadManager<'_>) -> VectorIdx { let active_thread_id = thread_mgr.active_thread(); self.thread_index(active_thread_id) } // SC ATOMIC STORE rule in the paper. - pub(super) fn sc_write(&self, thread_mgr: &ThreadManager<'_, '_>) { + pub(super) fn sc_write(&self, thread_mgr: &ThreadManager<'_>) { let (index, clocks) = self.active_thread_state(thread_mgr); self.last_sc_write.borrow_mut().set_at_index(&clocks.clock, index); } // SC ATOMIC READ rule in the paper. - pub(super) fn sc_read(&self, thread_mgr: &ThreadManager<'_, '_>) { + pub(super) fn sc_read(&self, thread_mgr: &ThreadManager<'_>) { let (.., mut clocks) = self.active_thread_state_mut(thread_mgr); clocks.read_seqcst.join(&self.last_sc_fence.borrow()); } diff --git a/src/tools/miri/src/concurrency/init_once.rs b/src/tools/miri/src/concurrency/init_once.rs index 3d6cf7ecca67..ed10c1280269 100644 --- a/src/tools/miri/src/concurrency/init_once.rs +++ b/src/tools/miri/src/concurrency/init_once.rs @@ -26,15 +26,15 @@ pub(super) struct InitOnce { clock: VClock, } -impl<'mir, 'tcx: 'mir> EvalContextExtPriv<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -trait EvalContextExtPriv<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExtPriv<'tcx> for crate::MiriInterpCx<'tcx> {} +trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { /// Provides the closure with the next InitOnceId. Creates that InitOnce if the closure returns None, /// otherwise returns the value from the closure. #[inline] fn init_once_get_or_create(&mut self, existing: F) -> InterpResult<'tcx, InitOnceId> where F: FnOnce( - &mut MiriInterpCx<'mir, 'tcx>, + &mut MiriInterpCx<'tcx>, InitOnceId, ) -> InterpResult<'tcx, Option>, { @@ -50,8 +50,8 @@ trait EvalContextExtPriv<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } } -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn init_once_get_or_create_id( &mut self, lock_op: &OpTy<'tcx, Provenance>, diff --git a/src/tools/miri/src/concurrency/sync.rs b/src/tools/miri/src/concurrency/sync.rs index 8925409ecc24..52036f4ed2c1 100644 --- a/src/tools/miri/src/concurrency/sync.rs +++ b/src/tools/miri/src/concurrency/sync.rs @@ -159,9 +159,9 @@ pub struct SynchronizationObjects { } // Private extension trait for local helper methods -impl<'mir, 'tcx: 'mir> EvalContextExtPriv<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub(super) trait EvalContextExtPriv<'mir, 'tcx: 'mir>: - crate::MiriInterpCxExt<'mir, 'tcx> +impl<'tcx> EvalContextExtPriv<'tcx> for crate::MiriInterpCx<'tcx> {} +pub(super) trait EvalContextExtPriv<'tcx>: + crate::MiriInterpCxExt<'tcx> { /// Lazily initialize the ID of this Miri sync structure. /// ('0' indicates uninit.) @@ -202,7 +202,7 @@ pub(super) trait EvalContextExtPriv<'mir, 'tcx: 'mir>: #[inline] fn mutex_get_or_create(&mut self, existing: F) -> InterpResult<'tcx, MutexId> where - F: FnOnce(&mut MiriInterpCx<'mir, 'tcx>, MutexId) -> InterpResult<'tcx, Option>, + F: FnOnce(&mut MiriInterpCx<'tcx>, MutexId) -> InterpResult<'tcx, Option>, { let this = self.eval_context_mut(); let next_index = this.machine.sync.mutexes.next_index(); @@ -223,7 +223,7 @@ pub(super) trait EvalContextExtPriv<'mir, 'tcx: 'mir>: #[inline] fn rwlock_get_or_create(&mut self, existing: F) -> InterpResult<'tcx, RwLockId> where - F: FnOnce(&mut MiriInterpCx<'mir, 'tcx>, RwLockId) -> InterpResult<'tcx, Option>, + F: FnOnce(&mut MiriInterpCx<'tcx>, RwLockId) -> InterpResult<'tcx, Option>, { let this = self.eval_context_mut(); let next_index = this.machine.sync.rwlocks.next_index(); @@ -245,7 +245,7 @@ pub(super) trait EvalContextExtPriv<'mir, 'tcx: 'mir>: fn condvar_get_or_create(&mut self, existing: F) -> InterpResult<'tcx, CondvarId> where F: FnOnce( - &mut MiriInterpCx<'mir, 'tcx>, + &mut MiriInterpCx<'tcx>, CondvarId, ) -> InterpResult<'tcx, Option>, { @@ -287,8 +287,8 @@ pub(super) trait EvalContextExtPriv<'mir, 'tcx: 'mir>: // cases, the function calls are infallible and it is the client's (shim // implementation's) responsibility to detect and deal with erroneous // situations. -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn mutex_get_or_create_id( &mut self, lock_op: &OpTy<'tcx, Provenance>, diff --git a/src/tools/miri/src/concurrency/thread.rs b/src/tools/miri/src/concurrency/thread.rs index b79ac32a77e0..8e8e1182bfff 100644 --- a/src/tools/miri/src/concurrency/thread.rs +++ b/src/tools/miri/src/concurrency/thread.rs @@ -9,7 +9,6 @@ use std::time::{Duration, SystemTime}; use either::Either; use rustc_const_eval::CTRL_C_RECEIVED; -use rustc_data_structures::captures::Captures; use rustc_data_structures::fx::FxHashMap; use rustc_hir::def_id::DefId; use rustc_index::{Idx, IndexVec}; @@ -45,17 +44,12 @@ pub enum TlsAllocAction { pub trait UnblockCallback<'tcx>: VisitProvenance { /// Will be invoked when the thread was unblocked the "regular" way, /// i.e. whatever event it was blocking on has happened. - fn unblock<'mir>( - self: Box, - ecx: &mut InterpCx<'mir, 'tcx, MiriMachine<'mir, 'tcx>>, - ) -> InterpResult<'tcx>; + fn unblock(self: Box, ecx: &mut InterpCx<'tcx, MiriMachine<'tcx>>) -> InterpResult<'tcx>; /// Will be invoked when the timeout ellapsed without the event the /// thread was blocking on having occurred. - fn timeout<'mir>( - self: Box, - _ecx: &mut InterpCx<'mir, 'tcx, MiriMachine<'mir, 'tcx>>, - ) -> InterpResult<'tcx>; + fn timeout(self: Box, _ecx: &mut InterpCx<'tcx, MiriMachine<'tcx>>) + -> InterpResult<'tcx>; } type DynUnblockCallback<'tcx> = Box + 'tcx>; @@ -95,13 +89,13 @@ macro_rules! callback { } impl<$tcx, $($lft),*> UnblockCallback<$tcx> for Callback<$tcx, $($lft),*> { - fn unblock<'mir>(self: Box, $this: &mut MiriInterpCx<'mir, $tcx>) -> InterpResult<$tcx> { + fn unblock(self: Box, $this: &mut MiriInterpCx<$tcx>) -> InterpResult<$tcx> { #[allow(unused_variables)] let Callback { $($name,)* _phantom } = *self; $unblock } - fn timeout<'mir>(self: Box, $this_timeout: &mut MiriInterpCx<'mir, $tcx>) -> InterpResult<$tcx> { + fn timeout(self: Box, $this_timeout: &mut MiriInterpCx<$tcx>) -> InterpResult<$tcx> { #[allow(unused_variables)] let Callback { $($name,)* _phantom } = *self; $timeout @@ -229,7 +223,7 @@ enum ThreadJoinStatus { } /// A thread. -pub struct Thread<'mir, 'tcx> { +pub struct Thread<'tcx> { state: ThreadState<'tcx>, /// Name of the thread. @@ -242,7 +236,7 @@ pub struct Thread<'mir, 'tcx> { /// Conceptually, this is the interpreter implementation of the things that happen 'after' the /// Rust language entry point for this thread returns (usually implemented by the C or OS runtime). /// (`None` is an error, it means the callback has not been set up yet or is actively running.) - pub(crate) on_stack_empty: Option>, + pub(crate) on_stack_empty: Option>, /// The index of the topmost user-relevant frame in `stack`. This field must contain /// the value produced by `get_top_user_relevant_frame`. @@ -268,10 +262,10 @@ pub struct Thread<'mir, 'tcx> { pub(crate) last_error: Option>, } -pub type StackEmptyCallback<'mir, 'tcx> = - Box) -> InterpResult<'tcx, Poll<()>> + 'tcx>; +pub type StackEmptyCallback<'tcx> = + Box) -> InterpResult<'tcx, Poll<()>> + 'tcx>; -impl<'mir, 'tcx> Thread<'mir, 'tcx> { +impl<'tcx> Thread<'tcx> { /// Get the name of the current thread if it was set. fn thread_name(&self) -> Option<&[u8]> { self.thread_name.as_deref() @@ -327,7 +321,7 @@ impl<'mir, 'tcx> Thread<'mir, 'tcx> { } } -impl<'mir, 'tcx> std::fmt::Debug for Thread<'mir, 'tcx> { +impl<'tcx> std::fmt::Debug for Thread<'tcx> { fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { write!( f, @@ -339,8 +333,8 @@ impl<'mir, 'tcx> std::fmt::Debug for Thread<'mir, 'tcx> { } } -impl<'mir, 'tcx> Thread<'mir, 'tcx> { - fn new(name: Option<&str>, on_stack_empty: Option>) -> Self { +impl<'tcx> Thread<'tcx> { + fn new(name: Option<&str>, on_stack_empty: Option>) -> Self { Self { state: ThreadState::Enabled, thread_name: name.map(|name| Vec::from(name.as_bytes())), @@ -354,7 +348,7 @@ impl<'mir, 'tcx> Thread<'mir, 'tcx> { } } -impl VisitProvenance for Thread<'_, '_> { +impl VisitProvenance for Thread<'_> { fn visit_provenance(&self, visit: &mut VisitWith<'_>) { let Thread { panic_payloads: panic_payload, @@ -431,13 +425,13 @@ impl Timeout { /// A set of threads. #[derive(Debug)] -pub struct ThreadManager<'mir, 'tcx> { +pub struct ThreadManager<'tcx> { /// Identifier of the currently active thread. active_thread: ThreadId, /// Threads used in the program. /// /// Note that this vector also contains terminated threads. - threads: IndexVec>, + threads: IndexVec>, /// A mapping from a thread-local static to an allocation id of a thread /// specific allocation. thread_local_alloc_ids: FxHashMap<(DefId, ThreadId), Pointer>, @@ -445,7 +439,7 @@ pub struct ThreadManager<'mir, 'tcx> { yield_active_thread: bool, } -impl VisitProvenance for ThreadManager<'_, '_> { +impl VisitProvenance for ThreadManager<'_> { fn visit_provenance(&self, visit: &mut VisitWith<'_>) { let ThreadManager { threads, @@ -463,7 +457,7 @@ impl VisitProvenance for ThreadManager<'_, '_> { } } -impl<'mir, 'tcx> Default for ThreadManager<'mir, 'tcx> { +impl<'tcx> Default for ThreadManager<'tcx> { fn default() -> Self { let mut threads = IndexVec::new(); // Create the main thread and add it to the list of threads. @@ -477,10 +471,10 @@ impl<'mir, 'tcx> Default for ThreadManager<'mir, 'tcx> { } } -impl<'mir, 'tcx: 'mir> ThreadManager<'mir, 'tcx> { +impl<'tcx> ThreadManager<'tcx> { pub(crate) fn init( - ecx: &mut MiriInterpCx<'mir, 'tcx>, - on_main_stack_empty: StackEmptyCallback<'mir, 'tcx>, + ecx: &mut MiriInterpCx<'tcx>, + on_main_stack_empty: StackEmptyCallback<'tcx>, ) { ecx.machine.threads.threads[ThreadId::MAIN_THREAD].on_stack_empty = Some(on_main_stack_empty); @@ -516,13 +510,12 @@ impl<'mir, 'tcx: 'mir> ThreadManager<'mir, 'tcx> { } pub fn all_stacks( &self, - ) -> impl Iterator>])> + Captures<'mir> - { + ) -> impl Iterator>])> { self.threads.iter_enumerated().map(|(id, t)| (id, &t.stack[..])) } /// Create a new thread and returns its id. - fn create_thread(&mut self, on_stack_empty: StackEmptyCallback<'mir, 'tcx>) -> ThreadId { + fn create_thread(&mut self, on_stack_empty: StackEmptyCallback<'tcx>) -> ThreadId { let new_thread_id = ThreadId::new(self.threads.len()); self.threads.push(Thread::new(None, Some(on_stack_empty))); new_thread_id @@ -572,12 +565,12 @@ impl<'mir, 'tcx: 'mir> ThreadManager<'mir, 'tcx> { } /// Get a mutable borrow of the currently active thread. - pub fn active_thread_mut(&mut self) -> &mut Thread<'mir, 'tcx> { + pub fn active_thread_mut(&mut self) -> &mut Thread<'tcx> { &mut self.threads[self.active_thread] } /// Get a shared borrow of the currently active thread. - pub fn active_thread_ref(&self) -> &Thread<'mir, 'tcx> { + pub fn active_thread_ref(&self) -> &Thread<'tcx> { &self.threads[self.active_thread] } @@ -791,8 +784,8 @@ impl<'mir, 'tcx: 'mir> ThreadManager<'mir, 'tcx> { } } -impl<'mir, 'tcx: 'mir> EvalContextPrivExt<'mir, 'tcx> for MiriInterpCx<'mir, 'tcx> {} -trait EvalContextPrivExt<'mir, 'tcx: 'mir>: MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextPrivExt<'tcx> for MiriInterpCx<'tcx> {} +trait EvalContextPrivExt<'tcx>: MiriInterpCxExt<'tcx> { /// Execute a timeout callback on the callback's thread. #[inline] fn run_timeout_callback(&mut self) -> InterpResult<'tcx> { @@ -848,8 +841,8 @@ trait EvalContextPrivExt<'mir, 'tcx: 'mir>: MiriInterpCxExt<'mir, 'tcx> { } // Public interface to thread management. -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// Get a thread-specific allocation id for the given thread-local static. /// If needed, allocate a new one. fn get_or_create_thread_local_alloc( @@ -1069,13 +1062,13 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } #[inline] - fn active_thread_mut(&mut self) -> &mut Thread<'mir, 'tcx> { + fn active_thread_mut(&mut self) -> &mut Thread<'tcx> { let this = self.eval_context_mut(); this.machine.threads.active_thread_mut() } #[inline] - fn active_thread_ref(&self) -> &Thread<'mir, 'tcx> { + fn active_thread_ref(&self) -> &Thread<'tcx> { let this = self.eval_context_ref(); this.machine.threads.active_thread_ref() } @@ -1099,10 +1092,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } #[inline] - fn active_thread_stack<'a>(&'a self) -> &'a [Frame<'tcx, Provenance, FrameExtra<'tcx>>] - where - 'mir: 'a, - { + fn active_thread_stack<'a>(&'a self) -> &'a [Frame<'tcx, Provenance, FrameExtra<'tcx>>] { let this = self.eval_context_ref(); this.machine.threads.active_thread_stack() } @@ -1110,10 +1100,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { #[inline] fn active_thread_stack_mut<'a>( &'a mut self, - ) -> &'a mut Vec>> - where - 'mir: 'a, - { + ) -> &'a mut Vec>> { let this = self.eval_context_mut(); this.machine.threads.active_thread_stack_mut() } @@ -1128,7 +1115,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { #[inline] fn get_thread_name<'c>(&'c self, thread: ThreadId) -> Option<&[u8]> where - 'mir: 'c, + 'tcx: 'c, { self.eval_context_ref().machine.threads.get_thread_name(thread) } diff --git a/src/tools/miri/src/concurrency/weak_memory.rs b/src/tools/miri/src/concurrency/weak_memory.rs index 8c71eeb27aa6..7a49f6d34707 100644 --- a/src/tools/miri/src/concurrency/weak_memory.rs +++ b/src/tools/miri/src/concurrency/weak_memory.rs @@ -243,7 +243,7 @@ impl StoreBufferAlloc { } } -impl<'mir, 'tcx: 'mir> StoreBuffer { +impl<'tcx> StoreBuffer { fn new(init: Scalar) -> Self { let mut buffer = VecDeque::new(); buffer.reserve(STORE_BUFFER_LIMIT); @@ -265,7 +265,7 @@ impl<'mir, 'tcx: 'mir> StoreBuffer { fn read_from_last_store( &self, global: &DataRaceState, - thread_mgr: &ThreadManager<'_, '_>, + thread_mgr: &ThreadManager<'_>, is_seqcst: bool, ) { let store_elem = self.buffer.back(); @@ -278,7 +278,7 @@ impl<'mir, 'tcx: 'mir> StoreBuffer { fn buffered_read( &self, global: &DataRaceState, - thread_mgr: &ThreadManager<'_, '_>, + thread_mgr: &ThreadManager<'_>, is_seqcst: bool, rng: &mut (impl rand::Rng + ?Sized), validate: impl FnOnce() -> InterpResult<'tcx>, @@ -309,7 +309,7 @@ impl<'mir, 'tcx: 'mir> StoreBuffer { &mut self, val: Scalar, global: &DataRaceState, - thread_mgr: &ThreadManager<'_, '_>, + thread_mgr: &ThreadManager<'_>, is_seqcst: bool, ) -> InterpResult<'tcx> { let (index, clocks) = global.active_thread_state(thread_mgr); @@ -463,10 +463,8 @@ impl StoreElement { } } -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub(super) trait EvalContextExt<'mir, 'tcx: 'mir>: - crate::MiriInterpCxExt<'mir, 'tcx> -{ +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub(super) trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn buffered_atomic_rmw( &mut self, new_val: Scalar, diff --git a/src/tools/miri/src/diagnostics.rs b/src/tools/miri/src/diagnostics.rs index 468bbb85dddf..d55f21d74efc 100644 --- a/src/tools/miri/src/diagnostics.rs +++ b/src/tools/miri/src/diagnostics.rs @@ -144,7 +144,7 @@ pub enum DiagLevel { /// be pointing to a problem in the Rust runtime itself, and do not prune it at all. pub fn prune_stacktrace<'tcx>( mut stacktrace: Vec>, - machine: &MiriMachine<'_, 'tcx>, + machine: &MiriMachine<'tcx>, ) -> (Vec>, bool) { match machine.backtrace_style { BacktraceStyle::Off => { @@ -201,8 +201,8 @@ pub fn prune_stacktrace<'tcx>( /// Emit a custom diagnostic without going through the miri-engine machinery. /// /// Returns `Some` if this was regular program termination with a given exit code and a `bool` indicating whether a leak check should happen; `None` otherwise. -pub fn report_error<'tcx, 'mir>( - ecx: &InterpCx<'mir, 'tcx, MiriMachine<'mir, 'tcx>>, +pub fn report_error<'tcx>( + ecx: &InterpCx<'tcx, MiriMachine<'tcx>>, e: InterpErrorInfo<'tcx>, ) -> Option<(i64, bool)> { use InterpError::*; @@ -457,8 +457,8 @@ pub fn report_error<'tcx, 'mir>( None } -pub fn report_leaks<'mir, 'tcx>( - ecx: &InterpCx<'mir, 'tcx, MiriMachine<'mir, 'tcx>>, +pub fn report_leaks<'tcx>( + ecx: &InterpCx<'tcx, MiriMachine<'tcx>>, leaks: Vec<(AllocId, MemoryKind, Allocation, MiriAllocBytes>)>, ) { let mut any_pruned = false; @@ -504,7 +504,7 @@ pub fn report_msg<'tcx>( helps: Vec<(Option, String)>, stacktrace: &[FrameInfo<'tcx>], thread: Option, - machine: &MiriMachine<'_, 'tcx>, + machine: &MiriMachine<'tcx>, ) { let span = stacktrace.first().map_or(DUMMY_SP, |fi| fi.span); let sess = machine.tcx.sess; @@ -577,7 +577,7 @@ pub fn report_msg<'tcx>( err.emit(); } -impl<'mir, 'tcx> MiriMachine<'mir, 'tcx> { +impl<'tcx> MiriMachine<'tcx> { pub fn emit_diagnostic(&self, e: NonHaltingDiagnostic) { use NonHaltingDiagnostic::*; @@ -690,8 +690,8 @@ impl<'mir, 'tcx> MiriMachine<'mir, 'tcx> { } } -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn emit_diagnostic(&self, e: NonHaltingDiagnostic) { let this = self.eval_context_ref(); this.machine.emit_diagnostic(e); diff --git a/src/tools/miri/src/eval.rs b/src/tools/miri/src/eval.rs index 78c092faf909..35f7f43f123f 100644 --- a/src/tools/miri/src/eval.rs +++ b/src/tools/miri/src/eval.rs @@ -214,7 +214,7 @@ enum MainThreadState<'tcx> { impl<'tcx> MainThreadState<'tcx> { fn on_main_stack_empty( &mut self, - this: &mut MiriInterpCx<'_, 'tcx>, + this: &mut MiriInterpCx<'tcx>, ) -> InterpResult<'tcx, Poll<()>> { use MainThreadState::*; match self { @@ -263,12 +263,12 @@ impl<'tcx> MainThreadState<'tcx> { /// Returns a freshly created `InterpCx`. /// Public because this is also used by `priroda`. -pub fn create_ecx<'mir, 'tcx: 'mir>( +pub fn create_ecx<'tcx>( tcx: TyCtxt<'tcx>, entry_id: DefId, entry_type: EntryFnType, config: &MiriConfig, -) -> InterpResult<'tcx, InterpCx<'mir, 'tcx, MiriMachine<'mir, 'tcx>>> { +) -> InterpResult<'tcx, InterpCx<'tcx, MiriMachine<'tcx>>> { let param_env = ty::ParamEnv::reveal_all(); let layout_cx = LayoutCx { tcx, param_env }; let mut ecx = diff --git a/src/tools/miri/src/helpers.rs b/src/tools/miri/src/helpers.rs index f15f41ff71a2..5c3b8f2d2a05 100644 --- a/src/tools/miri/src/helpers.rs +++ b/src/tools/miri/src/helpers.rs @@ -234,8 +234,8 @@ impl ToSoft for f32 { } } -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// Checks if the given crate/module exists. fn have_module(&self, path: &[&str]) -> bool { try_resolve_did(*self.eval_context_ref().tcx, path, None).is_some() @@ -573,23 +573,22 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { /// Visiting the memory covered by a `MemPlace`, being aware of /// whether we are inside an `UnsafeCell` or not. - struct UnsafeCellVisitor<'ecx, 'mir, 'tcx, F> + struct UnsafeCellVisitor<'ecx, 'tcx, F> where F: FnMut(&MPlaceTy<'tcx, Provenance>) -> InterpResult<'tcx>, { - ecx: &'ecx MiriInterpCx<'mir, 'tcx>, + ecx: &'ecx MiriInterpCx<'tcx>, unsafe_cell_action: F, } - impl<'ecx, 'mir, 'tcx: 'mir, F> ValueVisitor<'mir, 'tcx, MiriMachine<'mir, 'tcx>> - for UnsafeCellVisitor<'ecx, 'mir, 'tcx, F> + impl<'ecx, 'tcx, F> ValueVisitor<'tcx, MiriMachine<'tcx>> for UnsafeCellVisitor<'ecx, 'tcx, F> where F: FnMut(&MPlaceTy<'tcx, Provenance>) -> InterpResult<'tcx>, { type V = MPlaceTy<'tcx, Provenance>; #[inline(always)] - fn ecx(&self) -> &MiriInterpCx<'mir, 'tcx> { + fn ecx(&self) -> &MiriInterpCx<'tcx> { self.ecx } @@ -920,7 +919,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { slice: &ImmTy<'tcx, Provenance>, ) -> InterpResult<'tcx, &'a [u8]> where - 'mir: 'a, + 'tcx: 'a, { let this = self.eval_context_ref(); let (ptr, len) = slice.to_scalar_pair(); @@ -933,7 +932,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { /// Read a sequence of bytes until the first null terminator. fn read_c_str<'a>(&'a self, ptr: Pointer>) -> InterpResult<'tcx, &'a [u8]> where - 'mir: 'a, + 'tcx: 'a, { let this = self.eval_context_ref(); let size1 = Size::from_bytes(1); @@ -1176,7 +1175,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let this = self.eval_context_ref(); fn float_to_int_inner<'tcx, F: rustc_apfloat::Float>( - this: &MiriInterpCx<'_, 'tcx>, + this: &MiriInterpCx<'tcx>, src: F, cast_to: TyAndLayout<'tcx>, round: rustc_apfloat::Round, @@ -1299,7 +1298,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } } -impl<'mir, 'tcx> MiriMachine<'mir, 'tcx> { +impl<'tcx> MiriMachine<'tcx> { /// Get the current span in the topmost function which is workspace-local and not /// `#[track_caller]`. /// This function is backed by a cache, and can be assumed to be very fast. diff --git a/src/tools/miri/src/intrinsics/atomic.rs b/src/tools/miri/src/intrinsics/atomic.rs index 0daf59c943ce..17f95df9aa15 100644 --- a/src/tools/miri/src/intrinsics/atomic.rs +++ b/src/tools/miri/src/intrinsics/atomic.rs @@ -11,8 +11,8 @@ pub enum AtomicOp { Min, } -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// Calls the atomic intrinsic `intrinsic`; the `atomic_` prefix has already been removed. /// Returns `Ok(true)` if the intrinsic was handled. fn emulate_atomic_intrinsic( @@ -120,8 +120,8 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } } -impl<'mir, 'tcx: 'mir> EvalContextPrivExt<'mir, 'tcx> for MiriInterpCx<'mir, 'tcx> {} -trait EvalContextPrivExt<'mir, 'tcx: 'mir>: MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextPrivExt<'tcx> for MiriInterpCx<'tcx> {} +trait EvalContextPrivExt<'tcx>: MiriInterpCxExt<'tcx> { fn atomic_load( &mut self, args: &[OpTy<'tcx, Provenance>], diff --git a/src/tools/miri/src/intrinsics/mod.rs b/src/tools/miri/src/intrinsics/mod.rs index 973a0c84a882..e39b78d3816f 100644 --- a/src/tools/miri/src/intrinsics/mod.rs +++ b/src/tools/miri/src/intrinsics/mod.rs @@ -18,8 +18,8 @@ use atomic::EvalContextExt as _; use helpers::{check_arg_count, ToHost, ToSoft}; use simd::EvalContextExt as _; -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn call_intrinsic( &mut self, instance: ty::Instance<'tcx>, diff --git a/src/tools/miri/src/intrinsics/simd.rs b/src/tools/miri/src/intrinsics/simd.rs index 67a2d565fa2f..ed0c30e2a11a 100644 --- a/src/tools/miri/src/intrinsics/simd.rs +++ b/src/tools/miri/src/intrinsics/simd.rs @@ -15,8 +15,8 @@ pub(crate) enum MinMax { Max, } -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// Calls the simd intrinsic `intrinsic`; the `simd_` prefix has already been removed. /// Returns `Ok(true)` if the intrinsic was handled. fn emulate_simd_intrinsic( diff --git a/src/tools/miri/src/machine.rs b/src/tools/miri/src/machine.rs index d610db9b58b3..fc1a655c1232 100644 --- a/src/tools/miri/src/machine.rs +++ b/src/tools/miri/src/machine.rs @@ -373,7 +373,7 @@ pub struct PrimitiveLayouts<'tcx> { pub const_raw_ptr: TyAndLayout<'tcx>, // *const () } -impl<'mir, 'tcx: 'mir> PrimitiveLayouts<'tcx> { +impl<'tcx> PrimitiveLayouts<'tcx> { fn new(layout_cx: LayoutCx<'tcx, TyCtxt<'tcx>>) -> Result> { let tcx = layout_cx.tcx; let mut_raw_ptr = Ty::new_mut_ptr(tcx, tcx.types.unit); @@ -425,7 +425,7 @@ impl<'mir, 'tcx: 'mir> PrimitiveLayouts<'tcx> { /// /// If you add anything here that stores machine values, remember to update /// `visit_all_machine_values`! -pub struct MiriMachine<'mir, 'tcx> { +pub struct MiriMachine<'tcx> { // We carry a copy of the global `TyCtxt` for convenience, so methods taking just `&Evaluator` have `tcx` access. pub tcx: TyCtxt<'tcx>, @@ -471,7 +471,7 @@ pub struct MiriMachine<'mir, 'tcx> { pub(crate) clock: Clock, /// The set of threads. - pub(crate) threads: ThreadManager<'mir, 'tcx>, + pub(crate) threads: ThreadManager<'tcx>, /// The state of the primitive synchronization objects. pub(crate) sync: SynchronizationObjects, @@ -576,7 +576,7 @@ pub struct MiriMachine<'mir, 'tcx> { pub(crate) symbolic_alignment: RefCell>, } -impl<'mir, 'tcx> MiriMachine<'mir, 'tcx> { +impl<'tcx> MiriMachine<'tcx> { pub(crate) fn new(config: &MiriConfig, layout_cx: LayoutCx<'tcx, TyCtxt<'tcx>>) -> Self { let tcx = layout_cx.tcx; let local_crates = helpers::get_local_crates(tcx); @@ -706,9 +706,9 @@ impl<'mir, 'tcx> MiriMachine<'mir, 'tcx> { } pub(crate) fn late_init( - this: &mut MiriInterpCx<'mir, 'tcx>, + this: &mut MiriInterpCx<'tcx>, config: &MiriConfig, - on_main_stack_empty: StackEmptyCallback<'mir, 'tcx>, + on_main_stack_empty: StackEmptyCallback<'tcx>, ) -> InterpResult<'tcx> { EnvVars::init(this, config)?; MiriMachine::init_extern_statics(this)?; @@ -717,7 +717,7 @@ impl<'mir, 'tcx> MiriMachine<'mir, 'tcx> { } pub(crate) fn add_extern_static( - this: &mut MiriInterpCx<'mir, 'tcx>, + this: &mut MiriInterpCx<'tcx>, name: &str, ptr: Pointer>, ) { @@ -765,7 +765,7 @@ impl<'mir, 'tcx> MiriMachine<'mir, 'tcx> { } } -impl VisitProvenance for MiriMachine<'_, '_> { +impl VisitProvenance for MiriMachine<'_> { fn visit_provenance(&self, visit: &mut VisitWith<'_>) { #[rustfmt::skip] let MiriMachine { @@ -837,26 +837,26 @@ impl VisitProvenance for MiriMachine<'_, '_> { } /// A rustc InterpCx for Miri. -pub type MiriInterpCx<'mir, 'tcx> = InterpCx<'mir, 'tcx, MiriMachine<'mir, 'tcx>>; +pub type MiriInterpCx<'tcx> = InterpCx<'tcx, MiriMachine<'tcx>>; /// A little trait that's useful to be inherited by extension traits. -pub trait MiriInterpCxExt<'mir, 'tcx> { - fn eval_context_ref<'a>(&'a self) -> &'a MiriInterpCx<'mir, 'tcx>; - fn eval_context_mut<'a>(&'a mut self) -> &'a mut MiriInterpCx<'mir, 'tcx>; +pub trait MiriInterpCxExt<'tcx> { + fn eval_context_ref<'a>(&'a self) -> &'a MiriInterpCx<'tcx>; + fn eval_context_mut<'a>(&'a mut self) -> &'a mut MiriInterpCx<'tcx>; } -impl<'mir, 'tcx> MiriInterpCxExt<'mir, 'tcx> for MiriInterpCx<'mir, 'tcx> { +impl<'tcx> MiriInterpCxExt<'tcx> for MiriInterpCx<'tcx> { #[inline(always)] - fn eval_context_ref(&self) -> &MiriInterpCx<'mir, 'tcx> { + fn eval_context_ref(&self) -> &MiriInterpCx<'tcx> { self } #[inline(always)] - fn eval_context_mut(&mut self) -> &mut MiriInterpCx<'mir, 'tcx> { + fn eval_context_mut(&mut self) -> &mut MiriInterpCx<'tcx> { self } } /// Machine hook implementations. -impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { +impl<'tcx> Machine<'tcx> for MiriMachine<'tcx> { type MemoryKind = MiriMemoryKind; type ExtraFnVal = DynSym; @@ -875,13 +875,13 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { const PANIC_ON_ALLOC_FAIL: bool = false; #[inline(always)] - fn enforce_alignment(ecx: &MiriInterpCx<'mir, 'tcx>) -> bool { + fn enforce_alignment(ecx: &MiriInterpCx<'tcx>) -> bool { ecx.machine.check_alignment != AlignmentCheck::None } #[inline(always)] fn alignment_check( - ecx: &MiriInterpCx<'mir, 'tcx>, + ecx: &MiriInterpCx<'tcx>, alloc_id: AllocId, alloc_align: Align, alloc_kind: AllocKind, @@ -926,23 +926,23 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { } #[inline(always)] - fn enforce_validity(ecx: &MiriInterpCx<'mir, 'tcx>, _layout: TyAndLayout<'tcx>) -> bool { + fn enforce_validity(ecx: &MiriInterpCx<'tcx>, _layout: TyAndLayout<'tcx>) -> bool { ecx.machine.validate } #[inline(always)] - fn enforce_abi(_ecx: &MiriInterpCx<'mir, 'tcx>) -> bool { + fn enforce_abi(_ecx: &MiriInterpCx<'tcx>) -> bool { true } #[inline(always)] - fn ignore_optional_overflow_checks(ecx: &MiriInterpCx<'mir, 'tcx>) -> bool { + fn ignore_optional_overflow_checks(ecx: &MiriInterpCx<'tcx>) -> bool { !ecx.tcx.sess.overflow_checks() } #[inline(always)] fn find_mir_or_eval_fn( - ecx: &mut MiriInterpCx<'mir, 'tcx>, + ecx: &mut MiriInterpCx<'tcx>, instance: ty::Instance<'tcx>, abi: Abi, args: &[FnArg<'tcx, Provenance>], @@ -969,7 +969,7 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { #[inline(always)] fn call_extra_fn( - ecx: &mut MiriInterpCx<'mir, 'tcx>, + ecx: &mut MiriInterpCx<'tcx>, fn_val: DynSym, abi: Abi, args: &[FnArg<'tcx, Provenance>], @@ -983,7 +983,7 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { #[inline(always)] fn call_intrinsic( - ecx: &mut MiriInterpCx<'mir, 'tcx>, + ecx: &mut MiriInterpCx<'tcx>, instance: ty::Instance<'tcx>, args: &[OpTy<'tcx, Provenance>], dest: &MPlaceTy<'tcx, Provenance>, @@ -995,19 +995,19 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { #[inline(always)] fn assert_panic( - ecx: &mut MiriInterpCx<'mir, 'tcx>, + ecx: &mut MiriInterpCx<'tcx>, msg: &mir::AssertMessage<'tcx>, unwind: mir::UnwindAction, ) -> InterpResult<'tcx> { ecx.assert_panic(msg, unwind) } - fn panic_nounwind(ecx: &mut InterpCx<'mir, 'tcx, Self>, msg: &str) -> InterpResult<'tcx> { + fn panic_nounwind(ecx: &mut InterpCx<'tcx, Self>, msg: &str) -> InterpResult<'tcx> { ecx.start_panic_nounwind(msg) } fn unwind_terminate( - ecx: &mut InterpCx<'mir, 'tcx, Self>, + ecx: &mut InterpCx<'tcx, Self>, reason: mir::UnwindTerminateReason, ) -> InterpResult<'tcx> { // Call the lang item. @@ -1025,7 +1025,7 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { #[inline(always)] fn binary_ptr_op( - ecx: &MiriInterpCx<'mir, 'tcx>, + ecx: &MiriInterpCx<'tcx>, bin_op: mir::BinOp, left: &ImmTy<'tcx, Provenance>, right: &ImmTy<'tcx, Provenance>, @@ -1038,21 +1038,21 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { F1: rustc_apfloat::Float + rustc_apfloat::FloatConvert, F2: rustc_apfloat::Float, >( - ecx: &InterpCx<'mir, 'tcx, Self>, + ecx: &InterpCx<'tcx, Self>, inputs: &[F1], ) -> F2 { ecx.generate_nan(inputs) } fn thread_local_static_pointer( - ecx: &mut MiriInterpCx<'mir, 'tcx>, + ecx: &mut MiriInterpCx<'tcx>, def_id: DefId, ) -> InterpResult<'tcx, Pointer> { ecx.get_or_create_thread_local_alloc(def_id) } fn extern_static_pointer( - ecx: &MiriInterpCx<'mir, 'tcx>, + ecx: &MiriInterpCx<'tcx>, def_id: DefId, ) -> InterpResult<'tcx, Pointer> { let link_name = ecx.item_link_name(def_id); @@ -1087,7 +1087,7 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { } fn adjust_allocation<'b>( - ecx: &MiriInterpCx<'mir, 'tcx>, + ecx: &MiriInterpCx<'tcx>, id: AllocId, alloc: Cow<'b, Allocation>, kind: Option, @@ -1152,7 +1152,7 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { } fn adjust_alloc_root_pointer( - ecx: &MiriInterpCx<'mir, 'tcx>, + ecx: &MiriInterpCx<'tcx>, ptr: Pointer, kind: Option, ) -> InterpResult<'tcx, Pointer> { @@ -1183,7 +1183,7 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { /// Called on `usize as ptr` casts. #[inline(always)] fn ptr_from_addr_cast( - ecx: &MiriInterpCx<'mir, 'tcx>, + ecx: &MiriInterpCx<'tcx>, addr: u64, ) -> InterpResult<'tcx, Pointer>> { ecx.ptr_from_addr_cast(addr) @@ -1193,7 +1193,7 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { /// (Actually computing the resulting `usize` doesn't need machine help, /// that's just `Scalar::try_to_int`.) fn expose_ptr( - ecx: &mut InterpCx<'mir, 'tcx, Self>, + ecx: &mut InterpCx<'tcx, Self>, ptr: Pointer, ) -> InterpResult<'tcx> { match ptr.provenance { @@ -1215,7 +1215,7 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { /// (i.e., we'll never turn the data returned here back into a `Pointer` that might be /// stored in machine state). fn ptr_get_alloc( - ecx: &MiriInterpCx<'mir, 'tcx>, + ecx: &MiriInterpCx<'tcx>, ptr: Pointer, ) -> Option<(AllocId, Size, Self::ProvenanceExtra)> { let rel = ecx.ptr_get_alloc(ptr); @@ -1312,7 +1312,7 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { #[inline(always)] fn retag_ptr_value( - ecx: &mut InterpCx<'mir, 'tcx, Self>, + ecx: &mut InterpCx<'tcx, Self>, kind: mir::RetagKind, val: &ImmTy<'tcx, Provenance>, ) -> InterpResult<'tcx, ImmTy<'tcx, Provenance>> { @@ -1325,7 +1325,7 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { #[inline(always)] fn retag_place_contents( - ecx: &mut InterpCx<'mir, 'tcx, Self>, + ecx: &mut InterpCx<'tcx, Self>, kind: mir::RetagKind, place: &PlaceTy<'tcx, Provenance>, ) -> InterpResult<'tcx> { @@ -1336,7 +1336,7 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { } fn protect_in_place_function_argument( - ecx: &mut InterpCx<'mir, 'tcx, Self>, + ecx: &mut InterpCx<'tcx, Self>, place: &MPlaceTy<'tcx, Provenance>, ) -> InterpResult<'tcx> { // If we have a borrow tracker, we also have it set up protection so that all reads *and @@ -1358,7 +1358,7 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { #[inline(always)] fn init_frame_extra( - ecx: &mut InterpCx<'mir, 'tcx, Self>, + ecx: &mut InterpCx<'tcx, Self>, frame: Frame<'tcx, Provenance>, ) -> InterpResult<'tcx, Frame<'tcx, Provenance, FrameExtra<'tcx>>> { // Start recording our event before doing anything else @@ -1390,18 +1390,18 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { } fn stack<'a>( - ecx: &'a InterpCx<'mir, 'tcx, Self>, + ecx: &'a InterpCx<'tcx, Self>, ) -> &'a [Frame<'tcx, Self::Provenance, Self::FrameExtra>] { ecx.active_thread_stack() } fn stack_mut<'a>( - ecx: &'a mut InterpCx<'mir, 'tcx, Self>, + ecx: &'a mut InterpCx<'tcx, Self>, ) -> &'a mut Vec> { ecx.active_thread_stack_mut() } - fn before_terminator(ecx: &mut InterpCx<'mir, 'tcx, Self>) -> InterpResult<'tcx> { + fn before_terminator(ecx: &mut InterpCx<'tcx, Self>) -> InterpResult<'tcx> { ecx.machine.basic_block_count += 1u64; // a u64 that is only incremented by 1 will "never" overflow ecx.machine.since_gc += 1; // Possibly report our progress. @@ -1432,7 +1432,7 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { } #[inline(always)] - fn after_stack_push(ecx: &mut InterpCx<'mir, 'tcx, Self>) -> InterpResult<'tcx> { + fn after_stack_push(ecx: &mut InterpCx<'tcx, Self>) -> InterpResult<'tcx> { if ecx.frame().extra.is_user_relevant { // We just pushed a local frame, so we know that the topmost local frame is the topmost // frame. If we push a non-local frame, there's no need to do anything. @@ -1443,7 +1443,7 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { } fn before_stack_pop( - ecx: &InterpCx<'mir, 'tcx, Self>, + ecx: &InterpCx<'tcx, Self>, frame: &Frame<'tcx, Self::Provenance, Self::FrameExtra>, ) -> InterpResult<'tcx> { // We want this *before* the return value copy, because the return place itself is protected @@ -1460,7 +1460,7 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { #[inline(always)] fn after_stack_pop( - ecx: &mut InterpCx<'mir, 'tcx, Self>, + ecx: &mut InterpCx<'tcx, Self>, frame: Frame<'tcx, Provenance, FrameExtra<'tcx>>, unwinding: bool, ) -> InterpResult<'tcx, StackPopJump> { @@ -1490,7 +1490,7 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { } fn after_local_allocated( - ecx: &mut InterpCx<'mir, 'tcx, Self>, + ecx: &mut InterpCx<'tcx, Self>, local: mir::Local, mplace: &MPlaceTy<'tcx, Provenance>, ) -> InterpResult<'tcx> { @@ -1504,7 +1504,7 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { } fn eval_mir_constant( - ecx: &InterpCx<'mir, 'tcx, Self>, + ecx: &InterpCx<'tcx, Self>, val: mir::Const<'tcx>, span: Span, layout: Option>, @@ -1512,7 +1512,7 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { ) -> InterpResult<'tcx, OpTy<'tcx, Self::Provenance>> where F: Fn( - &InterpCx<'mir, 'tcx, Self>, + &InterpCx<'tcx, Self>, mir::Const<'tcx>, Span, Option>, diff --git a/src/tools/miri/src/operator.rs b/src/tools/miri/src/operator.rs index 7a008266dbc8..c04f12c339e0 100644 --- a/src/tools/miri/src/operator.rs +++ b/src/tools/miri/src/operator.rs @@ -7,8 +7,8 @@ use rustc_target::abi::Size; use crate::*; -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn binary_ptr_op( &self, bin_op: mir::BinOp, diff --git a/src/tools/miri/src/provenance_gc.rs b/src/tools/miri/src/provenance_gc.rs index 5cc14e25ebdf..03b6cfdce7bc 100644 --- a/src/tools/miri/src/provenance_gc.rs +++ b/src/tools/miri/src/provenance_gc.rs @@ -144,7 +144,7 @@ impl VisitProvenance for Allocation, MiriAllocBytes> } } -impl VisitProvenance for crate::MiriInterpCx<'_, '_> { +impl VisitProvenance for crate::MiriInterpCx<'_> { fn visit_provenance(&self, visit: &mut VisitWith<'_>) { // Visit the contents of the allocations and the IDs themselves, to account for all // live allocation IDs and all provenance in the allocation bytes, even if they are leaked. @@ -162,19 +162,19 @@ impl VisitProvenance for crate::MiriInterpCx<'_, '_> { } } -pub struct LiveAllocs<'a, 'mir, 'tcx> { +pub struct LiveAllocs<'a, 'tcx> { collected: FxHashSet, - ecx: &'a MiriInterpCx<'mir, 'tcx>, + ecx: &'a MiriInterpCx<'tcx>, } -impl LiveAllocs<'_, '_, '_> { +impl LiveAllocs<'_, '_> { pub fn is_live(&self, id: AllocId) -> bool { self.collected.contains(&id) || self.ecx.is_alloc_live(id) } } -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: MiriInterpCxExt<'tcx> { fn run_provenance_gc(&mut self) { // We collect all tags from various parts of the interpreter, but also let this = self.eval_context_mut(); diff --git a/src/tools/miri/src/shims/alloc.rs b/src/tools/miri/src/shims/alloc.rs index ca672bdc611f..bbe4bdd8450c 100644 --- a/src/tools/miri/src/shims/alloc.rs +++ b/src/tools/miri/src/shims/alloc.rs @@ -17,8 +17,8 @@ pub(super) fn check_alloc_request<'tcx>(size: u64, align: u64) -> InterpResult<' Ok(()) } -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// Returns the alignment that `malloc` would guarantee for requests of the given size. fn malloc_align(&self, size: u64) -> Align { let this = self.eval_context_ref(); @@ -67,7 +67,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { /// Emulates calling the internal __rust_* allocator functions fn emulate_allocator( &mut self, - default: impl FnOnce(&mut MiriInterpCx<'mir, 'tcx>) -> InterpResult<'tcx>, + default: impl FnOnce(&mut MiriInterpCx<'tcx>) -> InterpResult<'tcx>, ) -> InterpResult<'tcx, EmulateItemResult> { let this = self.eval_context_mut(); diff --git a/src/tools/miri/src/shims/backtrace.rs b/src/tools/miri/src/shims/backtrace.rs index 294ad50c33f2..6ec65a16b8a4 100644 --- a/src/tools/miri/src/shims/backtrace.rs +++ b/src/tools/miri/src/shims/backtrace.rs @@ -5,8 +5,8 @@ use rustc_middle::ty::{self, Instance, Ty}; use rustc_span::{hygiene, BytePos, Loc, Symbol}; use rustc_target::{abi::Size, spec::abi::Abi}; -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn handle_miri_backtrace_size( &mut self, abi: Abi, diff --git a/src/tools/miri/src/shims/env.rs b/src/tools/miri/src/shims/env.rs index 695d1138756c..7ad395cccb79 100644 --- a/src/tools/miri/src/shims/env.rs +++ b/src/tools/miri/src/shims/env.rs @@ -24,8 +24,8 @@ impl VisitProvenance for EnvVars<'_> { } impl<'tcx> EnvVars<'tcx> { - pub(crate) fn init<'mir>( - ecx: &mut InterpCx<'mir, 'tcx, MiriMachine<'mir, 'tcx>>, + pub(crate) fn init( + ecx: &mut InterpCx<'tcx, MiriMachine<'tcx>>, config: &MiriConfig, ) -> InterpResult<'tcx> { // Initialize the `env_vars` map. @@ -58,9 +58,7 @@ impl<'tcx> EnvVars<'tcx> { Ok(()) } - pub(crate) fn cleanup<'mir>( - ecx: &mut InterpCx<'mir, 'tcx, MiriMachine<'mir, 'tcx>>, - ) -> InterpResult<'tcx> { + pub(crate) fn cleanup(ecx: &mut InterpCx<'tcx, MiriMachine<'tcx>>) -> InterpResult<'tcx> { let this = ecx.eval_context_mut(); match this.machine.env_vars { EnvVars::Unix(_) => UnixEnvVars::cleanup(this), @@ -98,8 +96,8 @@ impl<'tcx> EnvVars<'tcx> { } } -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// Try to get an environment variable from the interpreted program's environment. This is /// useful for implementing shims which are documented to read from the environment. fn get_env_var(&mut self, name: &OsStr) -> InterpResult<'tcx, Option> { diff --git a/src/tools/miri/src/shims/extern_static.rs b/src/tools/miri/src/shims/extern_static.rs index 390c29c9db7d..9330ac0b4dd8 100644 --- a/src/tools/miri/src/shims/extern_static.rs +++ b/src/tools/miri/src/shims/extern_static.rs @@ -2,9 +2,9 @@ use crate::*; -impl<'mir, 'tcx> MiriMachine<'mir, 'tcx> { +impl<'tcx> MiriMachine<'tcx> { fn alloc_extern_static( - this: &mut MiriInterpCx<'mir, 'tcx>, + this: &mut MiriInterpCx<'tcx>, name: &str, val: ImmTy<'tcx, Provenance>, ) -> InterpResult<'tcx> { @@ -19,7 +19,7 @@ impl<'mir, 'tcx> MiriMachine<'mir, 'tcx> { /// symbol is not supported, and triggering fallback code which ends up calling /// some other shim that we do support). fn null_ptr_extern_statics( - this: &mut MiriInterpCx<'mir, 'tcx>, + this: &mut MiriInterpCx<'tcx>, names: &[&str], ) -> InterpResult<'tcx> { for name in names { @@ -31,7 +31,7 @@ impl<'mir, 'tcx> MiriMachine<'mir, 'tcx> { /// Extern statics that are initialized with function pointers to the symbols of the same name. fn weak_symbol_extern_statics( - this: &mut MiriInterpCx<'mir, 'tcx>, + this: &mut MiriInterpCx<'tcx>, names: &[&str], ) -> InterpResult<'tcx> { for name in names { @@ -45,7 +45,7 @@ impl<'mir, 'tcx> MiriMachine<'mir, 'tcx> { } /// Sets up the "extern statics" for this machine. - pub fn init_extern_statics(this: &mut MiriInterpCx<'mir, 'tcx>) -> InterpResult<'tcx> { + pub fn init_extern_statics(this: &mut MiriInterpCx<'tcx>) -> InterpResult<'tcx> { // "__rust_no_alloc_shim_is_unstable" let val = ImmTy::from_int(0, this.machine.layouts.u8); // always 0, value does not matter Self::alloc_extern_static(this, "__rust_no_alloc_shim_is_unstable", val)?; diff --git a/src/tools/miri/src/shims/foreign_items.rs b/src/tools/miri/src/shims/foreign_items.rs index a6baf748117f..6dfd9866cae9 100644 --- a/src/tools/miri/src/shims/foreign_items.rs +++ b/src/tools/miri/src/shims/foreign_items.rs @@ -28,8 +28,8 @@ impl DynSym { } } -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// Emulates calling a foreign item, failing if the item is not supported. /// This function will handle `goto_block` if needed. /// Returns Ok(None) if the foreign item was completely handled @@ -202,8 +202,8 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } } -impl<'mir, 'tcx: 'mir> EvalContextExtPriv<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -trait EvalContextExtPriv<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExtPriv<'tcx> for crate::MiriInterpCx<'tcx> {} +trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { fn emulate_foreign_item_inner( &mut self, link_name: Symbol, @@ -455,7 +455,7 @@ trait EvalContextExtPriv<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { // Rust allocation "__rust_alloc" | "miri_alloc" => { - let default = |this: &mut MiriInterpCx<'mir, 'tcx>| { + let default = |this: &mut MiriInterpCx<'tcx>| { // Only call `check_shim` when `#[global_allocator]` isn't used. When that // macro is used, we act like no shim exists, so that the exported function can run. let [size, align] = this.check_shim(abi, Abi::Rust, link_name, args)?; @@ -514,7 +514,7 @@ trait EvalContextExtPriv<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { }); } "__rust_dealloc" | "miri_dealloc" => { - let default = |this: &mut MiriInterpCx<'mir, 'tcx>| { + let default = |this: &mut MiriInterpCx<'tcx>| { // See the comment for `__rust_alloc` why `check_shim` is only called in the // default case. let [ptr, old_size, align] = diff --git a/src/tools/miri/src/shims/native_lib.rs b/src/tools/miri/src/shims/native_lib.rs index f9b8563b4b04..cc5cc75332aa 100644 --- a/src/tools/miri/src/shims/native_lib.rs +++ b/src/tools/miri/src/shims/native_lib.rs @@ -8,8 +8,8 @@ use rustc_target::abi::{Abi, HasDataLayout}; use crate::*; -impl<'mir, 'tcx: 'mir> EvalContextExtPriv<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -trait EvalContextExtPriv<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExtPriv<'tcx> for crate::MiriInterpCx<'tcx> {} +trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { /// Call native host function and return the output as an immediate. fn call_native_with_args<'a>( &mut self, @@ -122,8 +122,8 @@ trait EvalContextExtPriv<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } } -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// Call the native host function, with supplied arguments. /// Needs to convert all the arguments from their Miri representations to /// a native form (through `libffi` call). diff --git a/src/tools/miri/src/shims/os_str.rs b/src/tools/miri/src/shims/os_str.rs index 5fcea9ced691..c00e4384bab4 100644 --- a/src/tools/miri/src/shims/os_str.rs +++ b/src/tools/miri/src/shims/os_str.rs @@ -30,8 +30,8 @@ pub fn bytes_to_os_str<'tcx>(bytes: &[u8]) -> InterpResult<'tcx, &OsStr> { Ok(OsStr::new(s)) } -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// Helper function to read an OsString from a null-terminated sequence of bytes, which is what /// the Unix APIs usually handle. fn read_os_str_from_c_str<'a>( @@ -40,7 +40,6 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { ) -> InterpResult<'tcx, &'a OsStr> where 'tcx: 'a, - 'mir: 'a, { let this = self.eval_context_ref(); let bytes = this.read_c_str(ptr)?; @@ -55,7 +54,6 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { ) -> InterpResult<'tcx, OsString> where 'tcx: 'a, - 'mir: 'a, { #[cfg(windows)] pub fn u16vec_to_osstring<'tcx>(u16_vec: Vec) -> InterpResult<'tcx, OsString> { @@ -183,7 +181,6 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { ) -> InterpResult<'tcx, Cow<'a, Path>> where 'tcx: 'a, - 'mir: 'a, { let this = self.eval_context_ref(); let os_str = this.read_os_str_from_c_str(ptr)?; diff --git a/src/tools/miri/src/shims/panic.rs b/src/tools/miri/src/shims/panic.rs index e0e5396a455f..8aed6d4f463f 100644 --- a/src/tools/miri/src/shims/panic.rs +++ b/src/tools/miri/src/shims/panic.rs @@ -41,8 +41,8 @@ impl VisitProvenance for CatchUnwindData<'_> { } } -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// Handles the special `miri_start_unwind` intrinsic, which is called /// by libpanic_unwind to delegate the actual unwinding process to Miri. fn handle_miri_start_unwind(&mut self, payload: &OpTy<'tcx, Provenance>) -> InterpResult<'tcx> { diff --git a/src/tools/miri/src/shims/time.rs b/src/tools/miri/src/shims/time.rs index 5c43563fac42..9fb7a735c30b 100644 --- a/src/tools/miri/src/shims/time.rs +++ b/src/tools/miri/src/shims/time.rs @@ -14,8 +14,8 @@ pub fn system_time_to_duration<'tcx>(time: &SystemTime) -> InterpResult<'tcx, Du .map_err(|_| err_unsup_format!("times before the Unix epoch are not supported").into()) } -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn clock_gettime( &mut self, clk_id_op: &OpTy<'tcx, Provenance>, diff --git a/src/tools/miri/src/shims/tls.rs b/src/tools/miri/src/shims/tls.rs index 3dc85cc70be8..fa52b036ce94 100644 --- a/src/tools/miri/src/shims/tls.rs +++ b/src/tools/miri/src/shims/tls.rs @@ -235,7 +235,7 @@ enum TlsDtorsStatePriv<'tcx> { impl<'tcx> TlsDtorsState<'tcx> { pub fn on_stack_empty( &mut self, - this: &mut MiriInterpCx<'_, 'tcx>, + this: &mut MiriInterpCx<'tcx>, ) -> InterpResult<'tcx, Poll<()>> { use TlsDtorsStatePriv::*; let new_state = 'new_state: { @@ -293,8 +293,8 @@ impl<'tcx> TlsDtorsState<'tcx> { } } -impl<'mir, 'tcx: 'mir> EvalContextPrivExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -trait EvalContextPrivExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextPrivExt<'tcx> for crate::MiriInterpCx<'tcx> {} +trait EvalContextPrivExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// Schedule TLS destructors for Windows. /// On windows, TLS destructors are managed by std. fn lookup_windows_tls_dtors(&mut self) -> InterpResult<'tcx, Vec>> { diff --git a/src/tools/miri/src/shims/unix/android/foreign_items.rs b/src/tools/miri/src/shims/unix/android/foreign_items.rs index 590a5672f156..8a6e025ee18f 100644 --- a/src/tools/miri/src/shims/unix/android/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/android/foreign_items.rs @@ -7,8 +7,8 @@ pub fn is_dyn_sym(_name: &str) -> bool { false } -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn emulate_foreign_item_inner( &mut self, link_name: Symbol, diff --git a/src/tools/miri/src/shims/unix/env.rs b/src/tools/miri/src/shims/unix/env.rs index 6fcfb6939153..26096910aa19 100644 --- a/src/tools/miri/src/shims/unix/env.rs +++ b/src/tools/miri/src/shims/unix/env.rs @@ -31,8 +31,8 @@ impl VisitProvenance for UnixEnvVars<'_> { } impl<'tcx> UnixEnvVars<'tcx> { - pub(crate) fn new<'mir>( - ecx: &mut InterpCx<'mir, 'tcx, MiriMachine<'mir, 'tcx>>, + pub(crate) fn new( + ecx: &mut InterpCx<'tcx, MiriMachine<'tcx>>, env_vars: FxHashMap, ) -> InterpResult<'tcx, Self> { // Allocate memory for all these env vars. @@ -51,9 +51,7 @@ impl<'tcx> UnixEnvVars<'tcx> { Ok(UnixEnvVars { map: env_vars_machine, environ }) } - pub(crate) fn cleanup<'mir>( - ecx: &mut InterpCx<'mir, 'tcx, MiriMachine<'mir, 'tcx>>, - ) -> InterpResult<'tcx> { + pub(crate) fn cleanup(ecx: &mut InterpCx<'tcx, MiriMachine<'tcx>>) -> InterpResult<'tcx> { // Deallocate individual env vars. let env_vars = mem::take(&mut ecx.machine.env_vars.unix_mut().map); for (_name, ptr) in env_vars { @@ -71,9 +69,9 @@ impl<'tcx> UnixEnvVars<'tcx> { self.environ.ptr() } - fn get_ptr<'mir>( + fn get_ptr( &self, - ecx: &InterpCx<'mir, 'tcx, MiriMachine<'mir, 'tcx>>, + ecx: &InterpCx<'tcx, MiriMachine<'tcx>>, name: &OsStr, ) -> InterpResult<'tcx, Option>>> { // We don't care about the value as we have the `map` to keep track of everything, @@ -92,9 +90,9 @@ impl<'tcx> UnixEnvVars<'tcx> { /// Implementation detail for [`InterpCx::get_env_var`]. This basically does `getenv`, complete /// with the reads of the environment, but returns an [`OsString`] instead of a pointer. - pub(crate) fn get<'mir>( + pub(crate) fn get( &self, - ecx: &InterpCx<'mir, 'tcx, MiriMachine<'mir, 'tcx>>, + ecx: &InterpCx<'tcx, MiriMachine<'tcx>>, name: &OsStr, ) -> InterpResult<'tcx, Option> { let var_ptr = self.get_ptr(ecx, name)?; @@ -107,8 +105,8 @@ impl<'tcx> UnixEnvVars<'tcx> { } } -fn alloc_env_var<'mir, 'tcx>( - ecx: &mut InterpCx<'mir, 'tcx, MiriMachine<'mir, 'tcx>>, +fn alloc_env_var<'tcx>( + ecx: &mut InterpCx<'tcx, MiriMachine<'tcx>>, name: &OsStr, value: &OsStr, ) -> InterpResult<'tcx, Pointer>> { @@ -119,8 +117,8 @@ fn alloc_env_var<'mir, 'tcx>( } /// Allocates an `environ` block with the given list of pointers. -fn alloc_environ_block<'mir, 'tcx>( - ecx: &mut InterpCx<'mir, 'tcx, MiriMachine<'mir, 'tcx>>, +fn alloc_environ_block<'tcx>( + ecx: &mut InterpCx<'tcx, MiriMachine<'tcx>>, mut vars: Vec>>, ) -> InterpResult<'tcx, Pointer>> { // Add trailing null. @@ -139,8 +137,8 @@ fn alloc_environ_block<'mir, 'tcx>( Ok(vars_place.ptr()) } -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn getenv( &mut self, name_op: &OpTy<'tcx, Provenance>, diff --git a/src/tools/miri/src/shims/unix/fd.rs b/src/tools/miri/src/shims/unix/fd.rs index 8159960f8268..5fdd77a0cbdb 100644 --- a/src/tools/miri/src/shims/unix/fd.rs +++ b/src/tools/miri/src/shims/unix/fd.rs @@ -21,7 +21,7 @@ pub trait FileDescription: std::fmt::Debug + Any { &mut self, _communicate_allowed: bool, _bytes: &mut [u8], - _ecx: &mut MiriInterpCx<'_, 'tcx>, + _ecx: &mut MiriInterpCx<'tcx>, ) -> InterpResult<'tcx, io::Result> { throw_unsup_format!("cannot read from {}", self.name()); } @@ -31,7 +31,7 @@ pub trait FileDescription: std::fmt::Debug + Any { &mut self, _communicate_allowed: bool, _bytes: &[u8], - _ecx: &mut MiriInterpCx<'_, 'tcx>, + _ecx: &mut MiriInterpCx<'tcx>, ) -> InterpResult<'tcx, io::Result> { throw_unsup_format!("cannot write to {}", self.name()); } @@ -81,7 +81,7 @@ impl FileDescription for io::Stdin { &mut self, communicate_allowed: bool, bytes: &mut [u8], - _ecx: &mut MiriInterpCx<'_, 'tcx>, + _ecx: &mut MiriInterpCx<'tcx>, ) -> InterpResult<'tcx, io::Result> { if !communicate_allowed { // We want isolation mode to be deterministic, so we have to disallow all reads, even stdin. @@ -104,7 +104,7 @@ impl FileDescription for io::Stdout { &mut self, _communicate_allowed: bool, bytes: &[u8], - _ecx: &mut MiriInterpCx<'_, 'tcx>, + _ecx: &mut MiriInterpCx<'tcx>, ) -> InterpResult<'tcx, io::Result> { // We allow writing to stderr even with isolation enabled. let result = Write::write(self, bytes); @@ -132,7 +132,7 @@ impl FileDescription for io::Stderr { &mut self, _communicate_allowed: bool, bytes: &[u8], - _ecx: &mut MiriInterpCx<'_, 'tcx>, + _ecx: &mut MiriInterpCx<'tcx>, ) -> InterpResult<'tcx, io::Result> { // We allow writing to stderr even with isolation enabled. // No need to flush, stderr is not buffered. @@ -157,7 +157,7 @@ impl FileDescription for NullOutput { &mut self, _communicate_allowed: bool, bytes: &[u8], - _ecx: &mut MiriInterpCx<'_, 'tcx>, + _ecx: &mut MiriInterpCx<'tcx>, ) -> InterpResult<'tcx, io::Result> { // We just don't write anything, but report to the user that we did. Ok(Ok(bytes.len())) @@ -271,8 +271,8 @@ impl FdTable { } } -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn fcntl(&mut self, args: &[OpTy<'tcx, Provenance>]) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); diff --git a/src/tools/miri/src/shims/unix/foreign_items.rs b/src/tools/miri/src/shims/unix/foreign_items.rs index e75df88876b5..052715e239f2 100644 --- a/src/tools/miri/src/shims/unix/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/foreign_items.rs @@ -37,8 +37,8 @@ pub fn is_dyn_sym(name: &str, target_os: &str) -> bool { } } -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn emulate_foreign_item_inner( &mut self, link_name: Symbol, @@ -326,7 +326,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let name = this.read_scalar(name)?.to_i32()?; // FIXME: Which of these are POSIX, and which are GNU/Linux? // At least the names seem to all also exist on macOS. - let sysconfs: &[(&str, fn(&MiriInterpCx<'_, '_>) -> Scalar)] = &[ + let sysconfs: &[(&str, fn(&MiriInterpCx<'_>) -> Scalar)] = &[ ("_SC_PAGESIZE", |this| Scalar::from_int(this.machine.page_size, this.pointer_size())), ("_SC_NPROCESSORS_CONF", |this| Scalar::from_int(this.machine.num_cpus, this.pointer_size())), ("_SC_NPROCESSORS_ONLN", |this| Scalar::from_int(this.machine.num_cpus, this.pointer_size())), diff --git a/src/tools/miri/src/shims/unix/freebsd/foreign_items.rs b/src/tools/miri/src/shims/unix/freebsd/foreign_items.rs index 8a7f7e9d1fd8..30eb88151e4b 100644 --- a/src/tools/miri/src/shims/unix/freebsd/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/freebsd/foreign_items.rs @@ -8,8 +8,8 @@ pub fn is_dyn_sym(_name: &str) -> bool { false } -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn emulate_foreign_item_inner( &mut self, link_name: Symbol, diff --git a/src/tools/miri/src/shims/unix/fs.rs b/src/tools/miri/src/shims/unix/fs.rs index 5b0c1b2bafe7..8e3d547b0750 100644 --- a/src/tools/miri/src/shims/unix/fs.rs +++ b/src/tools/miri/src/shims/unix/fs.rs @@ -33,7 +33,7 @@ impl FileDescription for FileHandle { &mut self, communicate_allowed: bool, bytes: &mut [u8], - _ecx: &mut MiriInterpCx<'_, 'tcx>, + _ecx: &mut MiriInterpCx<'tcx>, ) -> InterpResult<'tcx, io::Result> { assert!(communicate_allowed, "isolation should have prevented even opening a file"); Ok(self.file.read(bytes)) @@ -43,7 +43,7 @@ impl FileDescription for FileHandle { &mut self, communicate_allowed: bool, bytes: &[u8], - _ecx: &mut MiriInterpCx<'_, 'tcx>, + _ecx: &mut MiriInterpCx<'tcx>, ) -> InterpResult<'tcx, io::Result> { assert!(communicate_allowed, "isolation should have prevented even opening a file"); Ok(self.file.write(bytes)) @@ -86,8 +86,8 @@ impl FileDescription for FileHandle { } } -impl<'mir, 'tcx: 'mir> EvalContextExtPrivate<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -trait EvalContextExtPrivate<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExtPrivate<'tcx> for crate::MiriInterpCx<'tcx> {} +trait EvalContextExtPrivate<'tcx>: crate::MiriInterpCxExt<'tcx> { fn macos_stat_write_buf( &mut self, metadata: FileMetadata, @@ -254,8 +254,8 @@ fn maybe_sync_file( } } -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn open(&mut self, args: &[OpTy<'tcx, Provenance>]) -> InterpResult<'tcx, i32> { if args.len() < 2 { throw_ub_format!( @@ -1540,7 +1540,7 @@ struct FileMetadata { impl FileMetadata { fn from_path<'tcx>( - ecx: &mut MiriInterpCx<'_, 'tcx>, + ecx: &mut MiriInterpCx<'tcx>, path: &Path, follow_symlink: bool, ) -> InterpResult<'tcx, Option> { @@ -1551,7 +1551,7 @@ impl FileMetadata { } fn from_fd<'tcx>( - ecx: &mut MiriInterpCx<'_, 'tcx>, + ecx: &mut MiriInterpCx<'tcx>, fd: i32, ) -> InterpResult<'tcx, Option> { let Some(file_descriptor) = ecx.machine.fds.get(fd) else { @@ -1573,7 +1573,7 @@ impl FileMetadata { } fn from_meta<'tcx>( - ecx: &mut MiriInterpCx<'_, 'tcx>, + ecx: &mut MiriInterpCx<'tcx>, metadata: Result, ) -> InterpResult<'tcx, Option> { let metadata = match metadata { diff --git a/src/tools/miri/src/shims/unix/linux/epoll.rs b/src/tools/miri/src/shims/unix/linux/epoll.rs index 48a0ba019760..50868e60e951 100644 --- a/src/tools/miri/src/shims/unix/linux/epoll.rs +++ b/src/tools/miri/src/shims/unix/linux/epoll.rs @@ -44,8 +44,8 @@ impl FileDescription for Epoll { } } -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// This function returns a file descriptor referring to the new `Epoll` instance. This file /// descriptor is used for all subsequent calls to the epoll interface. If the `flags` argument /// is 0, then this function is the same as `epoll_create()`. diff --git a/src/tools/miri/src/shims/unix/linux/eventfd.rs b/src/tools/miri/src/shims/unix/linux/eventfd.rs index f31c2bb84aee..1447e498fd7d 100644 --- a/src/tools/miri/src/shims/unix/linux/eventfd.rs +++ b/src/tools/miri/src/shims/unix/linux/eventfd.rs @@ -51,7 +51,7 @@ impl FileDescription for Event { &mut self, _communicate_allowed: bool, bytes: &[u8], - ecx: &mut MiriInterpCx<'_, 'tcx>, + ecx: &mut MiriInterpCx<'tcx>, ) -> InterpResult<'tcx, io::Result> { let bytes: [u8; 8] = bytes.try_into().unwrap(); // FIXME fail gracefully when this has the wrong size // Convert from target endianness to host endianness. @@ -66,8 +66,8 @@ impl FileDescription for Event { } } -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// This function creates an `Event` that is used as an event wait/notify mechanism by /// user-space applications, and by the kernel to notify user-space applications of events. /// The `Event` contains an `u64` counter maintained by the kernel. The counter is initialized diff --git a/src/tools/miri/src/shims/unix/linux/foreign_items.rs b/src/tools/miri/src/shims/unix/linux/foreign_items.rs index b2666101ff29..7d0c8be1eaa0 100644 --- a/src/tools/miri/src/shims/unix/linux/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/linux/foreign_items.rs @@ -14,8 +14,8 @@ pub fn is_dyn_sym(name: &str) -> bool { matches!(name, "statx") } -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn emulate_foreign_item_inner( &mut self, link_name: Symbol, diff --git a/src/tools/miri/src/shims/unix/linux/mem.rs b/src/tools/miri/src/shims/unix/linux/mem.rs index 3948216f7297..5f5d2b0c739d 100644 --- a/src/tools/miri/src/shims/unix/linux/mem.rs +++ b/src/tools/miri/src/shims/unix/linux/mem.rs @@ -4,8 +4,8 @@ use crate::*; use rustc_target::abi::Size; -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn mremap( &mut self, old_address: &OpTy<'tcx, Provenance>, diff --git a/src/tools/miri/src/shims/unix/linux/sync.rs b/src/tools/miri/src/shims/unix/linux/sync.rs index 2c7c4dd65cef..de83a358db92 100644 --- a/src/tools/miri/src/shims/unix/linux/sync.rs +++ b/src/tools/miri/src/shims/unix/linux/sync.rs @@ -5,7 +5,7 @@ use crate::*; /// Implementation of the SYS_futex syscall. /// `args` is the arguments *after* the syscall number. pub fn futex<'tcx>( - this: &mut MiriInterpCx<'_, 'tcx>, + this: &mut MiriInterpCx<'tcx>, args: &[OpTy<'tcx, Provenance>], dest: &MPlaceTy<'tcx, Provenance>, ) -> InterpResult<'tcx> { diff --git a/src/tools/miri/src/shims/unix/macos/foreign_items.rs b/src/tools/miri/src/shims/unix/macos/foreign_items.rs index 7c489ec4e3c8..a1e9ccec676e 100644 --- a/src/tools/miri/src/shims/unix/macos/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/macos/foreign_items.rs @@ -8,8 +8,8 @@ pub fn is_dyn_sym(_name: &str) -> bool { false } -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn emulate_foreign_item_inner( &mut self, link_name: Symbol, diff --git a/src/tools/miri/src/shims/unix/mem.rs b/src/tools/miri/src/shims/unix/mem.rs index 89d04bb737ef..4d727c0b1804 100644 --- a/src/tools/miri/src/shims/unix/mem.rs +++ b/src/tools/miri/src/shims/unix/mem.rs @@ -17,8 +17,8 @@ use crate::*; use rustc_target::abi::Size; -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn mmap( &mut self, addr: &OpTy<'tcx, Provenance>, diff --git a/src/tools/miri/src/shims/unix/socket.rs b/src/tools/miri/src/shims/unix/socket.rs index 11fd83f57e67..a0fa3bcee342 100644 --- a/src/tools/miri/src/shims/unix/socket.rs +++ b/src/tools/miri/src/shims/unix/socket.rs @@ -24,8 +24,8 @@ impl FileDescription for SocketPair { } } -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// Currently this function this function is a stub. Eventually we need to /// properly implement an FD type for sockets and have this function create /// two sockets and associated FDs such that writing to one will produce diff --git a/src/tools/miri/src/shims/unix/solarish/foreign_items.rs b/src/tools/miri/src/shims/unix/solarish/foreign_items.rs index c4dfb147ed98..38cd83edd24a 100644 --- a/src/tools/miri/src/shims/unix/solarish/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/solarish/foreign_items.rs @@ -8,8 +8,8 @@ pub fn is_dyn_sym(name: &str) -> bool { matches!(name, "pthread_setname_np") } -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn emulate_foreign_item_inner( &mut self, link_name: Symbol, diff --git a/src/tools/miri/src/shims/unix/sync.rs b/src/tools/miri/src/shims/unix/sync.rs index b2864269b2ee..0743ad14495d 100644 --- a/src/tools/miri/src/shims/unix/sync.rs +++ b/src/tools/miri/src/shims/unix/sync.rs @@ -10,8 +10,8 @@ use crate::*; // - kind: i32 #[inline] -fn mutexattr_kind_offset<'mir, 'tcx: 'mir>( - ecx: &MiriInterpCx<'mir, 'tcx>, +fn mutexattr_kind_offset<'tcx>( + ecx: &MiriInterpCx<'tcx>, ) -> InterpResult<'tcx, u64> { Ok(match &*ecx.tcx.sess.target.os { "linux" | "illumos" | "solaris" | "macos" => 0, @@ -19,8 +19,8 @@ fn mutexattr_kind_offset<'mir, 'tcx: 'mir>( }) } -fn mutexattr_get_kind<'mir, 'tcx: 'mir>( - ecx: &MiriInterpCx<'mir, 'tcx>, +fn mutexattr_get_kind<'tcx>( + ecx: &MiriInterpCx<'tcx>, attr_op: &OpTy<'tcx, Provenance>, ) -> InterpResult<'tcx, i32> { ecx.deref_pointer_and_read( @@ -32,8 +32,8 @@ fn mutexattr_get_kind<'mir, 'tcx: 'mir>( .to_i32() } -fn mutexattr_set_kind<'mir, 'tcx: 'mir>( - ecx: &mut MiriInterpCx<'mir, 'tcx>, +fn mutexattr_set_kind<'tcx>( + ecx: &mut MiriInterpCx<'tcx>, attr_op: &OpTy<'tcx, Provenance>, kind: i32, ) -> InterpResult<'tcx, ()> { @@ -53,15 +53,15 @@ fn mutexattr_set_kind<'mir, 'tcx: 'mir>( /// in `pthread_mutexattr_settype` function. const PTHREAD_MUTEX_NORMAL_FLAG: i32 = 0x8000000; -fn is_mutex_kind_default<'mir, 'tcx: 'mir>( - ecx: &MiriInterpCx<'mir, 'tcx>, +fn is_mutex_kind_default<'tcx>( + ecx: &MiriInterpCx<'tcx>, kind: i32, ) -> InterpResult<'tcx, bool> { Ok(kind == ecx.eval_libc_i32("PTHREAD_MUTEX_DEFAULT")) } -fn is_mutex_kind_normal<'mir, 'tcx: 'mir>( - ecx: &MiriInterpCx<'mir, 'tcx>, +fn is_mutex_kind_normal<'tcx>( + ecx: &MiriInterpCx<'tcx>, kind: i32, ) -> InterpResult<'tcx, bool> { let mutex_normal_kind = ecx.eval_libc_i32("PTHREAD_MUTEX_NORMAL"); @@ -73,7 +73,7 @@ fn is_mutex_kind_normal<'mir, 'tcx: 'mir>( // - id: u32 // - kind: i32 -fn mutex_id_offset<'mir, 'tcx: 'mir>(ecx: &MiriInterpCx<'mir, 'tcx>) -> InterpResult<'tcx, u64> { +fn mutex_id_offset<'tcx>(ecx: &MiriInterpCx<'tcx>) -> InterpResult<'tcx, u64> { let offset = match &*ecx.tcx.sess.target.os { "linux" | "illumos" | "solaris" => 0, // macOS stores a signature in the first bytes, so we have to move to offset 4. @@ -99,7 +99,7 @@ fn mutex_id_offset<'mir, 'tcx: 'mir>(ecx: &MiriInterpCx<'mir, 'tcx>) -> InterpRe Ok(offset) } -fn mutex_kind_offset<'mir, 'tcx: 'mir>(ecx: &MiriInterpCx<'mir, 'tcx>) -> u64 { +fn mutex_kind_offset<'tcx>(ecx: &MiriInterpCx<'tcx>) -> u64 { // These offsets are picked for compatibility with Linux's static initializer // macros, e.g. PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP.) let offset = if ecx.pointer_size().bytes() == 8 { 16 } else { 12 }; @@ -123,8 +123,8 @@ fn mutex_kind_offset<'mir, 'tcx: 'mir>(ecx: &MiriInterpCx<'mir, 'tcx>) -> u64 { offset } -fn mutex_get_id<'mir, 'tcx: 'mir>( - ecx: &mut MiriInterpCx<'mir, 'tcx>, +fn mutex_get_id<'tcx>( + ecx: &mut MiriInterpCx<'tcx>, mutex_op: &OpTy<'tcx, Provenance>, ) -> InterpResult<'tcx, MutexId> { ecx.mutex_get_or_create_id( @@ -134,8 +134,8 @@ fn mutex_get_id<'mir, 'tcx: 'mir>( ) } -fn mutex_reset_id<'mir, 'tcx: 'mir>( - ecx: &mut MiriInterpCx<'mir, 'tcx>, +fn mutex_reset_id<'tcx>( + ecx: &mut MiriInterpCx<'tcx>, mutex_op: &OpTy<'tcx, Provenance>, ) -> InterpResult<'tcx, ()> { ecx.deref_pointer_and_write( @@ -147,8 +147,8 @@ fn mutex_reset_id<'mir, 'tcx: 'mir>( ) } -fn mutex_get_kind<'mir, 'tcx: 'mir>( - ecx: &MiriInterpCx<'mir, 'tcx>, +fn mutex_get_kind<'tcx>( + ecx: &MiriInterpCx<'tcx>, mutex_op: &OpTy<'tcx, Provenance>, ) -> InterpResult<'tcx, i32> { ecx.deref_pointer_and_read( @@ -160,8 +160,8 @@ fn mutex_get_kind<'mir, 'tcx: 'mir>( .to_i32() } -fn mutex_set_kind<'mir, 'tcx: 'mir>( - ecx: &mut MiriInterpCx<'mir, 'tcx>, +fn mutex_set_kind<'tcx>( + ecx: &mut MiriInterpCx<'tcx>, mutex_op: &OpTy<'tcx, Provenance>, kind: i32, ) -> InterpResult<'tcx, ()> { @@ -178,7 +178,7 @@ fn mutex_set_kind<'mir, 'tcx: 'mir>( // We ignore the platform layout and store our own fields: // - id: u32 -fn rwlock_id_offset<'mir, 'tcx: 'mir>(ecx: &MiriInterpCx<'mir, 'tcx>) -> InterpResult<'tcx, u64> { +fn rwlock_id_offset<'tcx>(ecx: &MiriInterpCx<'tcx>) -> InterpResult<'tcx, u64> { let offset = match &*ecx.tcx.sess.target.os { "linux" | "illumos" | "solaris" => 0, // macOS stores a signature in the first bytes, so we have to move to offset 4. @@ -204,8 +204,8 @@ fn rwlock_id_offset<'mir, 'tcx: 'mir>(ecx: &MiriInterpCx<'mir, 'tcx>) -> InterpR Ok(offset) } -fn rwlock_get_id<'mir, 'tcx: 'mir>( - ecx: &mut MiriInterpCx<'mir, 'tcx>, +fn rwlock_get_id<'tcx>( + ecx: &mut MiriInterpCx<'tcx>, rwlock_op: &OpTy<'tcx, Provenance>, ) -> InterpResult<'tcx, RwLockId> { ecx.rwlock_get_or_create_id( @@ -220,8 +220,8 @@ fn rwlock_get_id<'mir, 'tcx: 'mir>( // - clock: i32 #[inline] -fn condattr_clock_offset<'mir, 'tcx: 'mir>( - ecx: &MiriInterpCx<'mir, 'tcx>, +fn condattr_clock_offset<'tcx>( + ecx: &MiriInterpCx<'tcx>, ) -> InterpResult<'tcx, u64> { Ok(match &*ecx.tcx.sess.target.os { "linux" | "illumos" | "solaris" => 0, @@ -230,8 +230,8 @@ fn condattr_clock_offset<'mir, 'tcx: 'mir>( }) } -fn condattr_get_clock_id<'mir, 'tcx: 'mir>( - ecx: &MiriInterpCx<'mir, 'tcx>, +fn condattr_get_clock_id<'tcx>( + ecx: &MiriInterpCx<'tcx>, attr_op: &OpTy<'tcx, Provenance>, ) -> InterpResult<'tcx, i32> { ecx.deref_pointer_and_read( @@ -243,8 +243,8 @@ fn condattr_get_clock_id<'mir, 'tcx: 'mir>( .to_i32() } -fn condattr_set_clock_id<'mir, 'tcx: 'mir>( - ecx: &mut MiriInterpCx<'mir, 'tcx>, +fn condattr_set_clock_id<'tcx>( + ecx: &mut MiriInterpCx<'tcx>, attr_op: &OpTy<'tcx, Provenance>, clock_id: i32, ) -> InterpResult<'tcx, ()> { @@ -262,7 +262,7 @@ fn condattr_set_clock_id<'mir, 'tcx: 'mir>( // - id: u32 // - clock: i32 -fn cond_id_offset<'mir, 'tcx: 'mir>(ecx: &MiriInterpCx<'mir, 'tcx>) -> InterpResult<'tcx, u64> { +fn cond_id_offset<'tcx>(ecx: &MiriInterpCx<'tcx>) -> InterpResult<'tcx, u64> { let offset = match &*ecx.tcx.sess.target.os { "linux" | "illumos" | "solaris" => 0, // macOS stores a signature in the first bytes, so we have to move to offset 4. @@ -289,7 +289,7 @@ fn cond_id_offset<'mir, 'tcx: 'mir>(ecx: &MiriInterpCx<'mir, 'tcx>) -> InterpRes } /// Determines whether this clock represents the real-time clock, CLOCK_REALTIME. -fn is_cond_clock_realtime<'mir, 'tcx: 'mir>(ecx: &MiriInterpCx<'mir, 'tcx>, clock_id: i32) -> bool { +fn is_cond_clock_realtime<'tcx>(ecx: &MiriInterpCx<'tcx>, clock_id: i32) -> bool { // To ensure compatibility with PTHREAD_COND_INITIALIZER on all platforms, // we can't just compare with CLOCK_REALTIME: on Solarish, PTHREAD_COND_INITIALIZER // makes the clock 0 but CLOCK_REALTIME is 3. @@ -298,7 +298,7 @@ fn is_cond_clock_realtime<'mir, 'tcx: 'mir>(ecx: &MiriInterpCx<'mir, 'tcx>, cloc || (clock_id == 0 && clock_id != ecx.eval_libc_i32("CLOCK_MONOTONIC")) } -fn cond_clock_offset<'mir, 'tcx: 'mir>(ecx: &MiriInterpCx<'mir, 'tcx>) -> u64 { +fn cond_clock_offset<'tcx>(ecx: &MiriInterpCx<'tcx>) -> u64 { // macOS doesn't have a clock attribute, but to keep the code uniform we store // a clock ID in the pthread_cond_t anyway. There's enough space. let offset = 8; @@ -321,8 +321,8 @@ fn cond_clock_offset<'mir, 'tcx: 'mir>(ecx: &MiriInterpCx<'mir, 'tcx>) -> u64 { offset } -fn cond_get_id<'mir, 'tcx: 'mir>( - ecx: &mut MiriInterpCx<'mir, 'tcx>, +fn cond_get_id<'tcx>( + ecx: &mut MiriInterpCx<'tcx>, cond_op: &OpTy<'tcx, Provenance>, ) -> InterpResult<'tcx, CondvarId> { ecx.condvar_get_or_create_id( @@ -332,8 +332,8 @@ fn cond_get_id<'mir, 'tcx: 'mir>( ) } -fn cond_reset_id<'mir, 'tcx: 'mir>( - ecx: &mut MiriInterpCx<'mir, 'tcx>, +fn cond_reset_id<'tcx>( + ecx: &mut MiriInterpCx<'tcx>, cond_op: &OpTy<'tcx, Provenance>, ) -> InterpResult<'tcx, ()> { ecx.deref_pointer_and_write( @@ -345,8 +345,8 @@ fn cond_reset_id<'mir, 'tcx: 'mir>( ) } -fn cond_get_clock_id<'mir, 'tcx: 'mir>( - ecx: &MiriInterpCx<'mir, 'tcx>, +fn cond_get_clock_id<'tcx>( + ecx: &MiriInterpCx<'tcx>, cond_op: &OpTy<'tcx, Provenance>, ) -> InterpResult<'tcx, i32> { ecx.deref_pointer_and_read( @@ -358,8 +358,8 @@ fn cond_get_clock_id<'mir, 'tcx: 'mir>( .to_i32() } -fn cond_set_clock_id<'mir, 'tcx: 'mir>( - ecx: &mut MiriInterpCx<'mir, 'tcx>, +fn cond_set_clock_id<'tcx>( + ecx: &mut MiriInterpCx<'tcx>, cond_op: &OpTy<'tcx, Provenance>, clock_id: i32, ) -> InterpResult<'tcx, ()> { @@ -372,8 +372,8 @@ fn cond_set_clock_id<'mir, 'tcx: 'mir>( ) } -impl<'mir, 'tcx> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn pthread_mutexattr_init( &mut self, attr_op: &OpTy<'tcx, Provenance>, diff --git a/src/tools/miri/src/shims/unix/thread.rs b/src/tools/miri/src/shims/unix/thread.rs index f8787ad90e0c..323b5c1992eb 100644 --- a/src/tools/miri/src/shims/unix/thread.rs +++ b/src/tools/miri/src/shims/unix/thread.rs @@ -2,8 +2,8 @@ use crate::*; use rustc_middle::ty::layout::LayoutOf; use rustc_target::spec::abi::Abi; -impl<'mir, 'tcx> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn pthread_create( &mut self, thread: &OpTy<'tcx, Provenance>, diff --git a/src/tools/miri/src/shims/wasi/foreign_items.rs b/src/tools/miri/src/shims/wasi/foreign_items.rs index 774a5e720254..b81b35bd963e 100644 --- a/src/tools/miri/src/shims/wasi/foreign_items.rs +++ b/src/tools/miri/src/shims/wasi/foreign_items.rs @@ -8,8 +8,8 @@ pub fn is_dyn_sym(_name: &str) -> bool { false } -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn emulate_foreign_item_inner( &mut self, link_name: Symbol, diff --git a/src/tools/miri/src/shims/windows/env.rs b/src/tools/miri/src/shims/windows/env.rs index 0e52959b762e..488a05366d23 100644 --- a/src/tools/miri/src/shims/windows/env.rs +++ b/src/tools/miri/src/shims/windows/env.rs @@ -20,8 +20,8 @@ impl VisitProvenance for WindowsEnvVars { } impl WindowsEnvVars { - pub(crate) fn new<'mir, 'tcx>( - _ecx: &mut InterpCx<'mir, 'tcx, MiriMachine<'mir, 'tcx>>, + pub(crate) fn new<'tcx>( + _ecx: &mut InterpCx<'tcx, MiriMachine<'tcx>>, env_vars: FxHashMap, ) -> InterpResult<'tcx, Self> { Ok(Self { map: env_vars }) @@ -33,8 +33,8 @@ impl WindowsEnvVars { } } -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { #[allow(non_snake_case)] fn GetEnvironmentVariableW( &mut self, diff --git a/src/tools/miri/src/shims/windows/foreign_items.rs b/src/tools/miri/src/shims/windows/foreign_items.rs index 462c7ffcdccf..a60c2a337cfc 100644 --- a/src/tools/miri/src/shims/windows/foreign_items.rs +++ b/src/tools/miri/src/shims/windows/foreign_items.rs @@ -76,8 +76,8 @@ fn win_absolute<'tcx>(path: &Path) -> InterpResult<'tcx, io::Result> { Ok(path::absolute(bytes_to_os_str(&result)?)) } -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn emulate_foreign_item_inner( &mut self, link_name: Symbol, diff --git a/src/tools/miri/src/shims/windows/handle.rs b/src/tools/miri/src/shims/windows/handle.rs index d9ae1b22409d..3e274a5b8028 100644 --- a/src/tools/miri/src/shims/windows/handle.rs +++ b/src/tools/miri/src/shims/windows/handle.rs @@ -145,10 +145,10 @@ impl Handle { } } -impl<'mir, 'tcx> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} #[allow(non_snake_case)] -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn invalid_handle(&mut self, function_name: &str) -> InterpResult<'tcx, !> { throw_machine_stop!(TerminationInfo::Abort(format!( "invalid handle passed to `{function_name}`" diff --git a/src/tools/miri/src/shims/windows/sync.rs b/src/tools/miri/src/shims/windows/sync.rs index e4307c33bb40..d5fe15b401bc 100644 --- a/src/tools/miri/src/shims/windows/sync.rs +++ b/src/tools/miri/src/shims/windows/sync.rs @@ -5,8 +5,8 @@ use rustc_target::abi::Size; use crate::concurrency::init_once::InitOnceStatus; use crate::*; -impl<'mir, 'tcx> EvalContextExtPriv<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -trait EvalContextExtPriv<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +impl<'tcx> EvalContextExtPriv<'tcx> for crate::MiriInterpCx<'tcx> {} +trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { // Windows sync primitives are pointer sized. // We only use the first 4 bytes for the id. @@ -44,9 +44,9 @@ trait EvalContextExtPriv<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } } -impl<'mir, 'tcx> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} #[allow(non_snake_case)] -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn InitOnceBeginInitialize( &mut self, init_once_op: &OpTy<'tcx, Provenance>, diff --git a/src/tools/miri/src/shims/windows/thread.rs b/src/tools/miri/src/shims/windows/thread.rs index 047f52f50be2..a9ef03d14ae4 100644 --- a/src/tools/miri/src/shims/windows/thread.rs +++ b/src/tools/miri/src/shims/windows/thread.rs @@ -4,10 +4,10 @@ use rustc_target::spec::abi::Abi; use crate::*; use shims::windows::handle::{EvalContextExt as _, Handle, PseudoHandle}; -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} #[allow(non_snake_case)] -pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { +pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn CreateThread( &mut self, security_op: &OpTy<'tcx, Provenance>, diff --git a/src/tools/miri/src/shims/x86/aesni.rs b/src/tools/miri/src/shims/x86/aesni.rs index 3a66c4315062..c1be1d4582a7 100644 --- a/src/tools/miri/src/shims/x86/aesni.rs +++ b/src/tools/miri/src/shims/x86/aesni.rs @@ -5,9 +5,9 @@ use rustc_target::spec::abi::Abi; use crate::*; -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub(super) trait EvalContextExt<'mir, 'tcx: 'mir>: - crate::MiriInterpCxExt<'mir, 'tcx> +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub(super) trait EvalContextExt<'tcx>: + crate::MiriInterpCxExt<'tcx> { fn emulate_x86_aesni_intrinsic( &mut self, @@ -134,7 +134,7 @@ pub(super) trait EvalContextExt<'mir, 'tcx: 'mir>: // Performs an AES round (given by `f`) on each 128-bit word of // `state` with the corresponding 128-bit key of `key`. fn aes_round<'tcx>( - this: &mut crate::MiriInterpCx<'_, 'tcx>, + this: &mut crate::MiriInterpCx<'tcx>, state: &OpTy<'tcx, Provenance>, key: &OpTy<'tcx, Provenance>, dest: &MPlaceTy<'tcx, Provenance>, diff --git a/src/tools/miri/src/shims/x86/avx.rs b/src/tools/miri/src/shims/x86/avx.rs index b1c61c8b3b2b..f782fbfff4e7 100644 --- a/src/tools/miri/src/shims/x86/avx.rs +++ b/src/tools/miri/src/shims/x86/avx.rs @@ -12,9 +12,9 @@ use super::{ }; use crate::*; -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub(super) trait EvalContextExt<'mir, 'tcx: 'mir>: - crate::MiriInterpCxExt<'mir, 'tcx> +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub(super) trait EvalContextExt<'tcx>: + crate::MiriInterpCxExt<'tcx> { fn emulate_x86_avx_intrinsic( &mut self, diff --git a/src/tools/miri/src/shims/x86/avx2.rs b/src/tools/miri/src/shims/x86/avx2.rs index e0bd2298ab8d..91764a20572a 100644 --- a/src/tools/miri/src/shims/x86/avx2.rs +++ b/src/tools/miri/src/shims/x86/avx2.rs @@ -10,9 +10,9 @@ use super::{ }; use crate::*; -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub(super) trait EvalContextExt<'mir, 'tcx: 'mir>: - crate::MiriInterpCxExt<'mir, 'tcx> +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub(super) trait EvalContextExt<'tcx>: + crate::MiriInterpCxExt<'tcx> { fn emulate_x86_avx2_intrinsic( &mut self, diff --git a/src/tools/miri/src/shims/x86/mod.rs b/src/tools/miri/src/shims/x86/mod.rs index 04ad979cf5d5..b5951e9e895b 100644 --- a/src/tools/miri/src/shims/x86/mod.rs +++ b/src/tools/miri/src/shims/x86/mod.rs @@ -20,10 +20,8 @@ mod sse3; mod sse41; mod ssse3; -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub(super) trait EvalContextExt<'mir, 'tcx: 'mir>: - crate::MiriInterpCxExt<'mir, 'tcx> -{ +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub(super) trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn emulate_x86_intrinsic( &mut self, link_name: Symbol, @@ -200,7 +198,7 @@ impl FloatBinOp { /// Convert from the `imm` argument used to specify the comparison /// operation in intrinsics such as `llvm.x86.sse.cmp.ss`. fn cmp_from_imm<'tcx>( - this: &crate::MiriInterpCx<'_, 'tcx>, + this: &crate::MiriInterpCx<'tcx>, imm: i8, intrinsic: Symbol, ) -> InterpResult<'tcx, Self> { @@ -244,7 +242,7 @@ impl FloatBinOp { /// Performs `which` scalar operation on `left` and `right` and returns /// the result. fn bin_op_float<'tcx, F: rustc_apfloat::Float>( - this: &crate::MiriInterpCx<'_, 'tcx>, + this: &crate::MiriInterpCx<'tcx>, which: FloatBinOp, left: &ImmTy<'tcx, Provenance>, right: &ImmTy<'tcx, Provenance>, @@ -306,7 +304,7 @@ fn bin_op_float<'tcx, F: rustc_apfloat::Float>( /// Performs `which` operation on the first component of `left` and `right` /// and copies the other components from `left`. The result is stored in `dest`. fn bin_op_simd_float_first<'tcx, F: rustc_apfloat::Float>( - this: &mut crate::MiriInterpCx<'_, 'tcx>, + this: &mut crate::MiriInterpCx<'tcx>, which: FloatBinOp, left: &OpTy<'tcx, Provenance>, right: &OpTy<'tcx, Provenance>, @@ -337,7 +335,7 @@ fn bin_op_simd_float_first<'tcx, F: rustc_apfloat::Float>( /// Performs `which` operation on each component of `left` and /// `right`, storing the result is stored in `dest`. fn bin_op_simd_float_all<'tcx, F: rustc_apfloat::Float>( - this: &mut crate::MiriInterpCx<'_, 'tcx>, + this: &mut crate::MiriInterpCx<'tcx>, which: FloatBinOp, left: &OpTy<'tcx, Provenance>, right: &OpTy<'tcx, Provenance>, @@ -384,7 +382,7 @@ enum FloatUnaryOp { /// Performs `which` scalar operation on `op` and returns the result. #[allow(clippy::arithmetic_side_effects)] // floating point operations without side effects fn unary_op_f32<'tcx>( - this: &mut crate::MiriInterpCx<'_, 'tcx>, + this: &mut crate::MiriInterpCx<'tcx>, which: FloatUnaryOp, op: &ImmTy<'tcx, Provenance>, ) -> InterpResult<'tcx, Scalar> { @@ -418,7 +416,7 @@ fn unary_op_f32<'tcx>( /// Disturbes a floating-point result by a relative error on the order of (-2^scale, 2^scale). #[allow(clippy::arithmetic_side_effects)] // floating point arithmetic cannot panic fn apply_random_float_error( - this: &mut crate::MiriInterpCx<'_, '_>, + this: &mut crate::MiriInterpCx<'_>, val: F, err_scale: i32, ) -> F { @@ -435,7 +433,7 @@ fn apply_random_float_error( /// Performs `which` operation on the first component of `op` and copies /// the other components. The result is stored in `dest`. fn unary_op_ss<'tcx>( - this: &mut crate::MiriInterpCx<'_, 'tcx>, + this: &mut crate::MiriInterpCx<'tcx>, which: FloatUnaryOp, op: &OpTy<'tcx, Provenance>, dest: &MPlaceTy<'tcx, Provenance>, @@ -458,7 +456,7 @@ fn unary_op_ss<'tcx>( /// Performs `which` operation on each component of `op`, storing the /// result is stored in `dest`. fn unary_op_ps<'tcx>( - this: &mut crate::MiriInterpCx<'_, 'tcx>, + this: &mut crate::MiriInterpCx<'tcx>, which: FloatUnaryOp, op: &OpTy<'tcx, Provenance>, dest: &MPlaceTy<'tcx, Provenance>, @@ -495,7 +493,7 @@ enum ShiftOp { /// For arithmetic right-shifts, when right is larger than BITS - 1, the sign /// bit is copied to all bits. fn shift_simd_by_scalar<'tcx>( - this: &mut crate::MiriInterpCx<'_, 'tcx>, + this: &mut crate::MiriInterpCx<'tcx>, left: &OpTy<'tcx, Provenance>, right: &OpTy<'tcx, Provenance>, which: ShiftOp, @@ -551,7 +549,7 @@ fn shift_simd_by_scalar<'tcx>( /// For arithmetic right-shifts, when right is larger than BITS - 1, the sign /// bit is copied to all bits. fn shift_simd_by_simd<'tcx>( - this: &mut crate::MiriInterpCx<'_, 'tcx>, + this: &mut crate::MiriInterpCx<'tcx>, left: &OpTy<'tcx, Provenance>, right: &OpTy<'tcx, Provenance>, which: ShiftOp, @@ -603,7 +601,7 @@ fn shift_simd_by_simd<'tcx>( /// Takes a 128-bit vector, transmutes it to `[u64; 2]` and extracts /// the first value. fn extract_first_u64<'tcx>( - this: &crate::MiriInterpCx<'_, 'tcx>, + this: &crate::MiriInterpCx<'tcx>, op: &OpTy<'tcx, Provenance>, ) -> InterpResult<'tcx, u64> { // Transmute vector to `[u64; 2]` @@ -617,7 +615,7 @@ fn extract_first_u64<'tcx>( // Rounds the first element of `right` according to `rounding` // and copies the remaining elements from `left`. fn round_first<'tcx, F: rustc_apfloat::Float>( - this: &mut crate::MiriInterpCx<'_, 'tcx>, + this: &mut crate::MiriInterpCx<'tcx>, left: &OpTy<'tcx, Provenance>, right: &OpTy<'tcx, Provenance>, rounding: &OpTy<'tcx, Provenance>, @@ -648,7 +646,7 @@ fn round_first<'tcx, F: rustc_apfloat::Float>( // Rounds all elements of `op` according to `rounding`. fn round_all<'tcx, F: rustc_apfloat::Float>( - this: &mut crate::MiriInterpCx<'_, 'tcx>, + this: &mut crate::MiriInterpCx<'tcx>, op: &OpTy<'tcx, Provenance>, rounding: &OpTy<'tcx, Provenance>, dest: &MPlaceTy<'tcx, Provenance>, @@ -700,7 +698,7 @@ fn rounding_from_imm<'tcx>(rounding: i32) -> InterpResult<'tcx, rustc_apfloat::R /// If `op` has more elements than `dest`, extra elements are ignored. If `op` /// has less elements than `dest`, the rest is filled with zeros. fn convert_float_to_int<'tcx>( - this: &mut crate::MiriInterpCx<'_, 'tcx>, + this: &mut crate::MiriInterpCx<'tcx>, op: &OpTy<'tcx, Provenance>, rnd: rustc_apfloat::Round, dest: &MPlaceTy<'tcx, Provenance>, @@ -735,7 +733,7 @@ fn convert_float_to_int<'tcx>( /// In case of overflow (when the operand is the minimum value), the operation /// will wrap around. fn int_abs<'tcx>( - this: &mut crate::MiriInterpCx<'_, 'tcx>, + this: &mut crate::MiriInterpCx<'tcx>, op: &OpTy<'tcx, Provenance>, dest: &MPlaceTy<'tcx, Provenance>, ) -> InterpResult<'tcx, ()> { @@ -768,7 +766,7 @@ fn int_abs<'tcx>( /// * The third element is the `op` vector split into chunks, i.e, it's /// type is `[[T; M]; N]` where `T` is the element type of `op`. fn split_simd_to_128bit_chunks<'tcx, P: Projectable<'tcx, Provenance>>( - this: &mut crate::MiriInterpCx<'_, 'tcx>, + this: &mut crate::MiriInterpCx<'tcx>, op: &P, ) -> InterpResult<'tcx, (u64, u64, P)> { let simd_layout = op.layout(); @@ -801,7 +799,7 @@ fn split_simd_to_128bit_chunks<'tcx, P: Projectable<'tcx, Provenance>>( /// the is i-th 128-bit chunk of `dest` is calculated with the i-th /// 128-bit chunks of `left` and `right`). fn horizontal_bin_op<'tcx>( - this: &mut crate::MiriInterpCx<'_, 'tcx>, + this: &mut crate::MiriInterpCx<'tcx>, which: mir::BinOp, saturating: bool, left: &OpTy<'tcx, Provenance>, @@ -854,7 +852,7 @@ fn horizontal_bin_op<'tcx>( /// the is i-th 128-bit chunk of `dest` is calculated with the i-th /// 128-bit blocks of `left` and `right`). fn conditional_dot_product<'tcx>( - this: &mut crate::MiriInterpCx<'_, 'tcx>, + this: &mut crate::MiriInterpCx<'tcx>, left: &OpTy<'tcx, Provenance>, right: &OpTy<'tcx, Provenance>, imm: &OpTy<'tcx, Provenance>, @@ -912,7 +910,7 @@ fn conditional_dot_product<'tcx>( /// The first is true when all the bits of `op & mask` are zero. /// The second is true when `(op & mask) == mask` fn test_bits_masked<'tcx>( - this: &crate::MiriInterpCx<'_, 'tcx>, + this: &crate::MiriInterpCx<'tcx>, op: &OpTy<'tcx, Provenance>, mask: &OpTy<'tcx, Provenance>, ) -> InterpResult<'tcx, (bool, bool)> { @@ -943,7 +941,7 @@ fn test_bits_masked<'tcx>( /// The first is true when the highest bit of each element of `op & mask` is zero. /// The second is true when the highest bit of each element of `!op & mask` is zero. fn test_high_bits_masked<'tcx>( - this: &crate::MiriInterpCx<'_, 'tcx>, + this: &crate::MiriInterpCx<'tcx>, op: &OpTy<'tcx, Provenance>, mask: &OpTy<'tcx, Provenance>, ) -> InterpResult<'tcx, (bool, bool)> { @@ -974,7 +972,7 @@ fn test_high_bits_masked<'tcx>( /// Conditionally loads from `ptr` according the high bit of each /// element of `mask`. `ptr` does not need to be aligned. fn mask_load<'tcx>( - this: &mut crate::MiriInterpCx<'_, 'tcx>, + this: &mut crate::MiriInterpCx<'tcx>, ptr: &OpTy<'tcx, Provenance>, mask: &OpTy<'tcx, Provenance>, dest: &MPlaceTy<'tcx, Provenance>, @@ -1007,7 +1005,7 @@ fn mask_load<'tcx>( /// Conditionally stores into `ptr` according the high bit of each /// element of `mask`. `ptr` does not need to be aligned. fn mask_store<'tcx>( - this: &mut crate::MiriInterpCx<'_, 'tcx>, + this: &mut crate::MiriInterpCx<'tcx>, ptr: &OpTy<'tcx, Provenance>, mask: &OpTy<'tcx, Provenance>, value: &OpTy<'tcx, Provenance>, @@ -1047,7 +1045,7 @@ fn mask_store<'tcx>( /// the is i-th 128-bit chunk of `dest` is calculated with the i-th /// 128-bit chunks of `left` and `right`). fn mpsadbw<'tcx>( - this: &mut crate::MiriInterpCx<'_, 'tcx>, + this: &mut crate::MiriInterpCx<'tcx>, left: &OpTy<'tcx, Provenance>, right: &OpTy<'tcx, Provenance>, imm: &OpTy<'tcx, Provenance>, @@ -1104,7 +1102,7 @@ fn mpsadbw<'tcx>( /// /// fn pmulhrsw<'tcx>( - this: &mut crate::MiriInterpCx<'_, 'tcx>, + this: &mut crate::MiriInterpCx<'tcx>, left: &OpTy<'tcx, Provenance>, right: &OpTy<'tcx, Provenance>, dest: &MPlaceTy<'tcx, Provenance>, @@ -1143,7 +1141,7 @@ fn pmulhrsw<'tcx>( /// the is i-th 128-bit chunk of `dest` is calculated with the i-th /// 128-bit chunks of `left` and `right`). fn pack_generic<'tcx>( - this: &mut crate::MiriInterpCx<'_, 'tcx>, + this: &mut crate::MiriInterpCx<'tcx>, left: &OpTy<'tcx, Provenance>, right: &OpTy<'tcx, Provenance>, dest: &MPlaceTy<'tcx, Provenance>, @@ -1188,7 +1186,7 @@ fn pack_generic<'tcx>( /// the is i-th 128-bit chunk of `dest` is calculated with the i-th /// 128-bit chunks of `left` and `right`). fn packsswb<'tcx>( - this: &mut crate::MiriInterpCx<'_, 'tcx>, + this: &mut crate::MiriInterpCx<'tcx>, left: &OpTy<'tcx, Provenance>, right: &OpTy<'tcx, Provenance>, dest: &MPlaceTy<'tcx, Provenance>, @@ -1207,7 +1205,7 @@ fn packsswb<'tcx>( /// the is i-th 128-bit chunk of `dest` is calculated with the i-th /// 128-bit chunks of `left` and `right`). fn packuswb<'tcx>( - this: &mut crate::MiriInterpCx<'_, 'tcx>, + this: &mut crate::MiriInterpCx<'tcx>, left: &OpTy<'tcx, Provenance>, right: &OpTy<'tcx, Provenance>, dest: &MPlaceTy<'tcx, Provenance>, @@ -1226,7 +1224,7 @@ fn packuswb<'tcx>( /// the is i-th 128-bit chunk of `dest` is calculated with the i-th /// 128-bit chunks of `left` and `right`). fn packssdw<'tcx>( - this: &mut crate::MiriInterpCx<'_, 'tcx>, + this: &mut crate::MiriInterpCx<'tcx>, left: &OpTy<'tcx, Provenance>, right: &OpTy<'tcx, Provenance>, dest: &MPlaceTy<'tcx, Provenance>, @@ -1245,7 +1243,7 @@ fn packssdw<'tcx>( /// the is i-th 128-bit chunk of `dest` is calculated with the i-th /// 128-bit chunks of `left` and `right`). fn packusdw<'tcx>( - this: &mut crate::MiriInterpCx<'_, 'tcx>, + this: &mut crate::MiriInterpCx<'tcx>, left: &OpTy<'tcx, Provenance>, right: &OpTy<'tcx, Provenance>, dest: &MPlaceTy<'tcx, Provenance>, @@ -1262,7 +1260,7 @@ fn packusdw<'tcx>( /// is written to the corresponding output element. /// In other words, multiplies `left` with `right.signum()`. fn psign<'tcx>( - this: &mut crate::MiriInterpCx<'_, 'tcx>, + this: &mut crate::MiriInterpCx<'tcx>, left: &OpTy<'tcx, Provenance>, right: &OpTy<'tcx, Provenance>, dest: &MPlaceTy<'tcx, Provenance>, diff --git a/src/tools/miri/src/shims/x86/sse.rs b/src/tools/miri/src/shims/x86/sse.rs index 3636fb2f3fbf..0afb2090cad6 100644 --- a/src/tools/miri/src/shims/x86/sse.rs +++ b/src/tools/miri/src/shims/x86/sse.rs @@ -9,9 +9,9 @@ use super::{ }; use crate::*; -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub(super) trait EvalContextExt<'mir, 'tcx: 'mir>: - crate::MiriInterpCxExt<'mir, 'tcx> +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub(super) trait EvalContextExt<'tcx>: + crate::MiriInterpCxExt<'tcx> { fn emulate_x86_sse_intrinsic( &mut self, diff --git a/src/tools/miri/src/shims/x86/sse2.rs b/src/tools/miri/src/shims/x86/sse2.rs index 54d1e0c803bb..bdff22cfa95b 100644 --- a/src/tools/miri/src/shims/x86/sse2.rs +++ b/src/tools/miri/src/shims/x86/sse2.rs @@ -8,9 +8,9 @@ use super::{ }; use crate::*; -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub(super) trait EvalContextExt<'mir, 'tcx: 'mir>: - crate::MiriInterpCxExt<'mir, 'tcx> +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub(super) trait EvalContextExt<'tcx>: + crate::MiriInterpCxExt<'tcx> { fn emulate_x86_sse2_intrinsic( &mut self, diff --git a/src/tools/miri/src/shims/x86/sse3.rs b/src/tools/miri/src/shims/x86/sse3.rs index fa1dd07e90b4..7dbe5163199b 100644 --- a/src/tools/miri/src/shims/x86/sse3.rs +++ b/src/tools/miri/src/shims/x86/sse3.rs @@ -5,9 +5,9 @@ use rustc_target::spec::abi::Abi; use super::horizontal_bin_op; use crate::*; -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub(super) trait EvalContextExt<'mir, 'tcx: 'mir>: - crate::MiriInterpCxExt<'mir, 'tcx> +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub(super) trait EvalContextExt<'tcx>: + crate::MiriInterpCxExt<'tcx> { fn emulate_x86_sse3_intrinsic( &mut self, diff --git a/src/tools/miri/src/shims/x86/sse41.rs b/src/tools/miri/src/shims/x86/sse41.rs index cd82108678da..b3880fec3e03 100644 --- a/src/tools/miri/src/shims/x86/sse41.rs +++ b/src/tools/miri/src/shims/x86/sse41.rs @@ -4,9 +4,9 @@ use rustc_target::spec::abi::Abi; use super::{conditional_dot_product, mpsadbw, packusdw, round_all, round_first, test_bits_masked}; use crate::*; -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub(super) trait EvalContextExt<'mir, 'tcx: 'mir>: - crate::MiriInterpCxExt<'mir, 'tcx> +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub(super) trait EvalContextExt<'tcx>: + crate::MiriInterpCxExt<'tcx> { fn emulate_x86_sse41_intrinsic( &mut self, diff --git a/src/tools/miri/src/shims/x86/ssse3.rs b/src/tools/miri/src/shims/x86/ssse3.rs index ec625da68c27..1f7870f8ca03 100644 --- a/src/tools/miri/src/shims/x86/ssse3.rs +++ b/src/tools/miri/src/shims/x86/ssse3.rs @@ -5,9 +5,9 @@ use rustc_target::spec::abi::Abi; use super::{horizontal_bin_op, int_abs, pmulhrsw, psign}; use crate::*; -impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {} -pub(super) trait EvalContextExt<'mir, 'tcx: 'mir>: - crate::MiriInterpCxExt<'mir, 'tcx> +impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} +pub(super) trait EvalContextExt<'tcx>: + crate::MiriInterpCxExt<'tcx> { fn emulate_x86_ssse3_intrinsic( &mut self, From d32d1c1a2ef2451f2fd7a061bba933173a195938 Mon Sep 17 00:00:00 2001 From: Dion Dokter Date: Mon, 27 May 2024 11:08:21 +0200 Subject: [PATCH 0595/1716] Size optimize int formatting --- library/core/src/fmt/num.rs | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/library/core/src/fmt/num.rs b/library/core/src/fmt/num.rs index ab2158394bf1..3a5a5af8bf5d 100644 --- a/library/core/src/fmt/num.rs +++ b/library/core/src/fmt/num.rs @@ -212,6 +212,7 @@ static DEC_DIGITS_LUT: &[u8; 200] = b"0001020304050607080910111213141516171819\ macro_rules! impl_Display { ($($t:ident),* as $u:ident via $conv_fn:ident named $name:ident) => { + #[cfg(not(feature = "optimize_for_size"))] fn $name(mut n: $u, is_nonnegative: bool, f: &mut fmt::Formatter<'_>) -> fmt::Result { // 2^128 is about 3*10^38, so 39 gives an extra byte of space let mut buf = [MaybeUninit::::uninit(); 39]; @@ -277,6 +278,38 @@ macro_rules! impl_Display { f.pad_integral(is_nonnegative, "", buf_slice) } + #[cfg(feature = "optimize_for_size")] + fn $name(mut n: $u, is_nonnegative: bool, f: &mut fmt::Formatter<'_>) -> fmt::Result { + // 2^128 is about 3*10^38, so 39 gives an extra byte of space + let mut buf = [MaybeUninit::::uninit(); 39]; + let mut curr = buf.len(); + let buf_ptr = MaybeUninit::slice_as_mut_ptr(&mut buf); + + // SAFETY: To show that it's OK to copy into `buf_ptr`, notice that at the beginning + // `curr == buf.len() == 39 > log(n)` since `n < 2^128 < 10^39`, and at + // each step this is kept the same as `n` is divided. Since `n` is always + // non-negative, this means that `curr > 0` so `buf_ptr[curr..curr + 1]` + // is safe to access. + unsafe { + loop { + curr -= 1; + buf_ptr.add(curr).write((n % 10) as u8 + b'0'); + n /= 10; + + if n == 0 { + break; + } + } + } + + // SAFETY: `curr` > 0 (since we made `buf` large enough), and all the chars are valid UTF-8 + let buf_slice = unsafe { + str::from_utf8_unchecked( + slice::from_raw_parts(buf_ptr.add(curr), buf.len() - curr)) + }; + f.pad_integral(is_nonnegative, "", buf_slice) + } + $(#[stable(feature = "rust1", since = "1.0.0")] impl fmt::Display for $t { #[allow(unused_comparisons)] From f931290949b215dbf1789dddb66bf6f33c914ba0 Mon Sep 17 00:00:00 2001 From: Chris Denton Date: Mon, 27 May 2024 09:32:25 +0000 Subject: [PATCH 0596/1716] Update description of install-mingw --- src/ci/scripts/install-mingw.sh | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/src/ci/scripts/install-mingw.sh b/src/ci/scripts/install-mingw.sh index 38af8b6acebb..31aa3785bc36 100755 --- a/src/ci/scripts/install-mingw.sh +++ b/src/ci/scripts/install-mingw.sh @@ -1,6 +1,5 @@ #!/bin/bash -# If we need to download a custom MinGW, do so here and set the path -# appropriately. +# For mingw builds use a vendored mingw. set -euo pipefail IFS=$'\n\t' From e4abfaeb620e75a1f84b94dcb89e41eac495f52b Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Mon, 27 May 2024 11:37:27 +0200 Subject: [PATCH 0597/1716] Migrate `run-make/compile-stdin` to `rmake.rs` --- src/tools/tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/compile-stdin/Makefile | 9 --------- tests/run-make/compile-stdin/rmake.rs | 13 +++++++++++++ 3 files changed, 13 insertions(+), 10 deletions(-) delete mode 100644 tests/run-make/compile-stdin/Makefile create mode 100644 tests/run-make/compile-stdin/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 9a6ae18abead..55d65fe89874 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -18,7 +18,6 @@ run-make/cdylib-fewer-symbols/Makefile run-make/cdylib/Makefile run-make/codegen-options-parsing/Makefile run-make/comment-section/Makefile -run-make/compile-stdin/Makefile run-make/compiler-lookup-paths-2/Makefile run-make/compiler-lookup-paths/Makefile run-make/compiler-rt-works-on-mingw/Makefile diff --git a/tests/run-make/compile-stdin/Makefile b/tests/run-make/compile-stdin/Makefile deleted file mode 100644 index b3d7cc777a01..000000000000 --- a/tests/run-make/compile-stdin/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -# When provided standard input piped directly into rustc, this test checks that the compilation completes successfully and that the output can be executed. -# See https://github.com/rust-lang/rust/pull/28805 - -# ignore-cross-compile -include ../tools.mk - -all: - echo 'fn main(){}' | $(RUSTC) - - $(call RUN,rust_out) diff --git a/tests/run-make/compile-stdin/rmake.rs b/tests/run-make/compile-stdin/rmake.rs new file mode 100644 index 000000000000..f93080dfdc4f --- /dev/null +++ b/tests/run-make/compile-stdin/rmake.rs @@ -0,0 +1,13 @@ +// When provided standard input piped directly into rustc, this test checks that the compilation +// completes successfully and that the output can be executed. +// +// See . + +//@ ignore-cross-compile + +use run_make_support::{run, rustc}; + +fn main() { + rustc().arg("-").stdin("fn main() {}").run(); + run("rust_out"); +} From 05fa647dc7810a756a206d2300f12b3dafec779f Mon Sep 17 00:00:00 2001 From: Dion Dokter Date: Mon, 27 May 2024 12:05:00 +0200 Subject: [PATCH 0598/1716] Always use the general case char count --- library/core/src/str/count.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/library/core/src/str/count.rs b/library/core/src/str/count.rs index 28567a7e753a..d8667864fe55 100644 --- a/library/core/src/str/count.rs +++ b/library/core/src/str/count.rs @@ -24,7 +24,7 @@ const UNROLL_INNER: usize = 4; #[inline] pub(super) fn count_chars(s: &str) -> usize { - if s.len() < USIZE_SIZE * UNROLL_INNER { + if cfg!(feature = "optimize_for_size") || s.len() < USIZE_SIZE * UNROLL_INNER { // Avoid entering the optimized implementation for strings where the // difference is not likely to matter, or where it might even be slower. // That said, a ton of thought was not spent on the particular threshold From 4a64180dd5cc48a26b2af3fbe0ddd3da0cccfb82 Mon Sep 17 00:00:00 2001 From: Marc Dominik Migge Date: Fri, 24 May 2024 17:59:09 +0200 Subject: [PATCH 0599/1716] `unnecessary_to_owned` should not suggest to remove `&` in macro expansion --- .../src/methods/unnecessary_iter_cloned.rs | 16 +++---- clippy_lints/src/methods/utils.rs | 16 ++++--- tests/ui/unnecessary_iter_cloned.fixed | 29 ++++++++++++ tests/ui/unnecessary_iter_cloned.rs | 29 ++++++++++++ tests/ui/unnecessary_iter_cloned.stderr | 44 +++++++++++++++++-- tests/ui/unnecessary_to_owned.stderr | 2 +- 6 files changed, 117 insertions(+), 19 deletions(-) diff --git a/clippy_lints/src/methods/unnecessary_iter_cloned.rs b/clippy_lints/src/methods/unnecessary_iter_cloned.rs index 7431dc1cf0b1..d1300dd43c28 100644 --- a/clippy_lints/src/methods/unnecessary_iter_cloned.rs +++ b/clippy_lints/src/methods/unnecessary_iter_cloned.rs @@ -38,7 +38,7 @@ pub fn check_for_loop_iter( ) -> bool { if let Some(grandparent) = get_parent_expr(cx, expr).and_then(|parent| get_parent_expr(cx, parent)) && let Some(ForLoop { pat, body, .. }) = ForLoop::hir(grandparent) - && let (clone_or_copy_needed, addr_of_exprs) = clone_or_copy_needed(cx, pat, body) + && let (clone_or_copy_needed, references_to_binding) = clone_or_copy_needed(cx, pat, body) && !clone_or_copy_needed && let Some(receiver_snippet) = snippet_opt(cx, receiver.span) { @@ -123,14 +123,12 @@ pub fn check_for_loop_iter( Applicability::MachineApplicable }; diag.span_suggestion(expr.span, "use", snippet, applicability); - for addr_of_expr in addr_of_exprs { - match addr_of_expr.kind { - ExprKind::AddrOf(_, _, referent) => { - let span = addr_of_expr.span.with_hi(referent.span.lo()); - diag.span_suggestion(span, "remove this `&`", "", applicability); - }, - _ => unreachable!(), - } + if !references_to_binding.is_empty() { + diag.multipart_suggestion( + "remove any references to the binding", + references_to_binding, + applicability, + ); } }, ); diff --git a/clippy_lints/src/methods/utils.rs b/clippy_lints/src/methods/utils.rs index 34d7b9acbe4b..1a55b7160fb1 100644 --- a/clippy_lints/src/methods/utils.rs +++ b/clippy_lints/src/methods/utils.rs @@ -9,6 +9,7 @@ use rustc_lint::LateContext; use rustc_middle::hir::nested_filter; use rustc_middle::ty::{self, Ty}; use rustc_span::symbol::sym; +use rustc_span::Span; pub(super) fn derefs_to_slice<'tcx>( cx: &LateContext<'tcx>, @@ -96,15 +97,15 @@ pub(super) fn clone_or_copy_needed<'tcx>( cx: &LateContext<'tcx>, pat: &Pat<'tcx>, body: &'tcx Expr<'tcx>, -) -> (bool, Vec<&'tcx Expr<'tcx>>) { +) -> (bool, Vec<(Span, String)>) { let mut visitor = CloneOrCopyVisitor { cx, binding_hir_ids: pat_bindings(pat), clone_or_copy_needed: false, - addr_of_exprs: Vec::new(), + references_to_binding: Vec::new(), }; visitor.visit_expr(body); - (visitor.clone_or_copy_needed, visitor.addr_of_exprs) + (visitor.clone_or_copy_needed, visitor.references_to_binding) } /// Returns a vector of all `HirId`s bound by the pattern. @@ -127,7 +128,7 @@ struct CloneOrCopyVisitor<'cx, 'tcx> { cx: &'cx LateContext<'tcx>, binding_hir_ids: Vec, clone_or_copy_needed: bool, - addr_of_exprs: Vec<&'tcx Expr<'tcx>>, + references_to_binding: Vec<(Span, String)>, } impl<'cx, 'tcx> Visitor<'tcx> for CloneOrCopyVisitor<'cx, 'tcx> { @@ -142,8 +143,11 @@ impl<'cx, 'tcx> Visitor<'tcx> for CloneOrCopyVisitor<'cx, 'tcx> { if self.is_binding(expr) { if let Some(parent) = get_parent_expr(self.cx, expr) { match parent.kind { - ExprKind::AddrOf(BorrowKind::Ref, Mutability::Not, _) => { - self.addr_of_exprs.push(parent); + ExprKind::AddrOf(BorrowKind::Ref, Mutability::Not, referent) => { + if !parent.span.from_expansion() { + self.references_to_binding + .push((parent.span.until(referent.span), String::new())); + } return; }, ExprKind::MethodCall(.., args, _) => { diff --git a/tests/ui/unnecessary_iter_cloned.fixed b/tests/ui/unnecessary_iter_cloned.fixed index 2c582c90ba8c..dc5e163ff04e 100644 --- a/tests/ui/unnecessary_iter_cloned.fixed +++ b/tests/ui/unnecessary_iter_cloned.fixed @@ -170,3 +170,32 @@ fn check_mut_iteratee_and_modify_inner_variable() { } } } + +mod issue_12821 { + fn foo() { + let v: Vec<_> = "hello".chars().collect(); + for c in v.iter() { + //~^ ERROR: unnecessary use of `cloned` + println!("{c}"); // should not suggest to remove `&` + } + } + + fn bar() { + let v: Vec<_> = "hello".chars().collect(); + for c in v.iter() { + //~^ ERROR: unnecessary use of `cloned` + let ref_c = c; //~ HELP: remove any references to the binding + println!("{ref_c}"); + } + } + + fn baz() { + let v: Vec<_> = "hello".chars().enumerate().collect(); + for (i, c) in v.iter() { + //~^ ERROR: unnecessary use of `cloned` + let ref_c = c; //~ HELP: remove any references to the binding + let ref_i = i; + println!("{i} {ref_c}"); // should not suggest to remove `&` from `i` + } + } +} diff --git a/tests/ui/unnecessary_iter_cloned.rs b/tests/ui/unnecessary_iter_cloned.rs index a28ccd1efef2..8f797ac717fb 100644 --- a/tests/ui/unnecessary_iter_cloned.rs +++ b/tests/ui/unnecessary_iter_cloned.rs @@ -170,3 +170,32 @@ fn check_mut_iteratee_and_modify_inner_variable() { } } } + +mod issue_12821 { + fn foo() { + let v: Vec<_> = "hello".chars().collect(); + for c in v.iter().cloned() { + //~^ ERROR: unnecessary use of `cloned` + println!("{c}"); // should not suggest to remove `&` + } + } + + fn bar() { + let v: Vec<_> = "hello".chars().collect(); + for c in v.iter().cloned() { + //~^ ERROR: unnecessary use of `cloned` + let ref_c = &c; //~ HELP: remove any references to the binding + println!("{ref_c}"); + } + } + + fn baz() { + let v: Vec<_> = "hello".chars().enumerate().collect(); + for (i, c) in v.iter().cloned() { + //~^ ERROR: unnecessary use of `cloned` + let ref_c = &c; //~ HELP: remove any references to the binding + let ref_i = &i; + println!("{i} {ref_c}"); // should not suggest to remove `&` from `i` + } + } +} diff --git a/tests/ui/unnecessary_iter_cloned.stderr b/tests/ui/unnecessary_iter_cloned.stderr index fb98cfddc262..0bdb37a521fc 100644 --- a/tests/ui/unnecessary_iter_cloned.stderr +++ b/tests/ui/unnecessary_iter_cloned.stderr @@ -10,7 +10,7 @@ help: use | LL | for (t, path) in files { | ~~~~~ -help: remove this `&` +help: remove any references to the binding | LL - let other = match get_file_path(&t) { LL + let other = match get_file_path(t) { @@ -26,11 +26,49 @@ help: use | LL | for (t, path) in files.iter() { | ~~~~~~~~~~~~ -help: remove this `&` +help: remove any references to the binding | LL - let other = match get_file_path(&t) { LL + let other = match get_file_path(t) { | -error: aborting due to 2 previous errors +error: unnecessary use of `cloned` + --> tests/ui/unnecessary_iter_cloned.rs:177:18 + | +LL | for c in v.iter().cloned() { + | ^^^^^^^^^^^^^^^^^ help: use: `v.iter()` + +error: unnecessary use of `cloned` + --> tests/ui/unnecessary_iter_cloned.rs:185:18 + | +LL | for c in v.iter().cloned() { + | ^^^^^^^^^^^^^^^^^ + | +help: use + | +LL | for c in v.iter() { + | ~~~~~~~~ +help: remove any references to the binding + | +LL - let ref_c = &c; +LL + let ref_c = c; + | + +error: unnecessary use of `cloned` + --> tests/ui/unnecessary_iter_cloned.rs:194:23 + | +LL | for (i, c) in v.iter().cloned() { + | ^^^^^^^^^^^^^^^^^ + | +help: use + | +LL | for (i, c) in v.iter() { + | ~~~~~~~~ +help: remove any references to the binding + | +LL ~ let ref_c = c; +LL ~ let ref_i = i; + | + +error: aborting due to 5 previous errors diff --git a/tests/ui/unnecessary_to_owned.stderr b/tests/ui/unnecessary_to_owned.stderr index 5475df9c7b93..2829f3cd6e98 100644 --- a/tests/ui/unnecessary_to_owned.stderr +++ b/tests/ui/unnecessary_to_owned.stderr @@ -487,7 +487,7 @@ help: use | LL | for t in file_types { | ~~~~~~~~~~ -help: remove this `&` +help: remove any references to the binding | LL - let path = match get_file_path(&t) { LL + let path = match get_file_path(t) { From 566dfd90082d709aa2d42b354349bfd2b4b895b2 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Fri, 17 May 2024 18:05:46 +0200 Subject: [PATCH 0600/1716] Add `needless_character_iteration` lint --- CHANGELOG.md | 1 + clippy_lints/src/declared_lints.rs | 1 + clippy_lints/src/methods/mod.rs | 24 ++++ .../methods/needless_character_iteration.rs | 108 ++++++++++++++++++ .../methods/unnecessary_result_map_or_else.rs | 19 +-- clippy_lints/src/methods/utils.rs | 18 ++- tests/ui/needless_character_iteration.fixed | 51 +++++++++ tests/ui/needless_character_iteration.rs | 59 ++++++++++ tests/ui/needless_character_iteration.stderr | 67 +++++++++++ 9 files changed, 330 insertions(+), 18 deletions(-) create mode 100644 clippy_lints/src/methods/needless_character_iteration.rs create mode 100644 tests/ui/needless_character_iteration.fixed create mode 100644 tests/ui/needless_character_iteration.rs create mode 100644 tests/ui/needless_character_iteration.stderr diff --git a/CHANGELOG.md b/CHANGELOG.md index cfff0bb50a6a..9f1d0e567459 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -5567,6 +5567,7 @@ Released 2018-09-13 [`needless_borrow`]: https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow [`needless_borrowed_reference`]: https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrowed_reference [`needless_borrows_for_generic_args`]: https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args +[`needless_character_iteration`]: https://rust-lang.github.io/rust-clippy/master/index.html#needless_character_iteration [`needless_collect`]: https://rust-lang.github.io/rust-clippy/master/index.html#needless_collect [`needless_continue`]: https://rust-lang.github.io/rust-clippy/master/index.html#needless_continue [`needless_doctest_main`]: https://rust-lang.github.io/rust-clippy/master/index.html#needless_doctest_main diff --git a/clippy_lints/src/declared_lints.rs b/clippy_lints/src/declared_lints.rs index 6850ec821e84..2e436f0f767c 100644 --- a/clippy_lints/src/declared_lints.rs +++ b/clippy_lints/src/declared_lints.rs @@ -418,6 +418,7 @@ pub(crate) static LINTS: &[&crate::LintInfo] = &[ crate::methods::MAP_UNWRAP_OR_INFO, crate::methods::MUT_MUTEX_LOCK_INFO, crate::methods::NAIVE_BYTECOUNT_INFO, + crate::methods::NEEDLESS_CHARACTER_ITERATION_INFO, crate::methods::NEEDLESS_COLLECT_INFO, crate::methods::NEEDLESS_OPTION_AS_DEREF_INFO, crate::methods::NEEDLESS_OPTION_TAKE_INFO, diff --git a/clippy_lints/src/methods/mod.rs b/clippy_lints/src/methods/mod.rs index 60666445d08b..b85218d3ca2f 100644 --- a/clippy_lints/src/methods/mod.rs +++ b/clippy_lints/src/methods/mod.rs @@ -66,6 +66,7 @@ mod map_flatten; mod map_identity; mod map_unwrap_or; mod mut_mutex_lock; +mod needless_character_iteration; mod needless_collect; mod needless_option_as_deref; mod needless_option_take; @@ -4089,6 +4090,27 @@ declare_clippy_lint! { "is_empty() called on strings known at compile time" } +declare_clippy_lint! { + /// ### What it does + /// Checks if an iterator is used to check if a string is ascii. + /// + /// ### Why is this bad? + /// The `str` type already implements the `is_ascii` method. + /// + /// ### Example + /// ```no_run + /// "foo".chars().all(|c| c.is_ascii()); + /// ``` + /// Use instead: + /// ```no_run + /// "foo".is_ascii(); + /// ``` + #[clippy::version = "1.80.0"] + pub NEEDLESS_CHARACTER_ITERATION, + suspicious, + "is_ascii() called on a char iterator" +} + pub struct Methods { avoid_breaking_exported_api: bool, msrv: Msrv, @@ -4254,6 +4276,7 @@ impl_lint_pass!(Methods => [ UNNECESSARY_RESULT_MAP_OR_ELSE, MANUAL_C_STR_LITERALS, UNNECESSARY_GET_THEN_CHECK, + NEEDLESS_CHARACTER_ITERATION, ]); /// Extracts a method call name, args, and `Span` of the method name. @@ -4461,6 +4484,7 @@ impl Methods { }, ("all", [arg]) => { unused_enumerate_index::check(cx, expr, recv, arg); + needless_character_iteration::check(cx, expr, recv, arg); if let Some(("cloned", recv2, [], _, _)) = method_call(recv) { iter_overeager_cloned::check( cx, diff --git a/clippy_lints/src/methods/needless_character_iteration.rs b/clippy_lints/src/methods/needless_character_iteration.rs new file mode 100644 index 000000000000..f4467af4de83 --- /dev/null +++ b/clippy_lints/src/methods/needless_character_iteration.rs @@ -0,0 +1,108 @@ +use rustc_errors::Applicability; +use rustc_hir::{Closure, Expr, ExprKind, HirId, StmtKind, UnOp}; +use rustc_lint::LateContext; +use rustc_middle::ty; +use rustc_span::Span; + +use super::utils::get_last_chain_binding_hir_id; +use super::NEEDLESS_CHARACTER_ITERATION; +use clippy_utils::diagnostics::span_lint_and_sugg; +use clippy_utils::source::snippet_opt; +use clippy_utils::{match_def_path, path_to_local_id, peel_blocks}; + +fn peels_expr_ref<'a, 'tcx>(mut expr: &'a Expr<'tcx>) -> &'a Expr<'tcx> { + while let ExprKind::AddrOf(_, _, e) = expr.kind { + expr = e; + } + expr +} + +fn handle_expr( + cx: &LateContext<'_>, + expr: &Expr<'_>, + first_param: HirId, + span: Span, + before_chars: Span, + revert: bool, +) { + match expr.kind { + ExprKind::MethodCall(method, receiver, [], _) => { + if method.ident.name.as_str() == "is_ascii" + && path_to_local_id(receiver, first_param) + && let char_arg_ty = cx.typeck_results().expr_ty_adjusted(receiver).peel_refs() + && *char_arg_ty.kind() == ty::Char + && let Some(snippet) = snippet_opt(cx, before_chars) + { + span_lint_and_sugg( + cx, + NEEDLESS_CHARACTER_ITERATION, + span, + "checking if a string is ascii using iterators", + "try", + format!("{}{snippet}.is_ascii()", if revert { "!" } else { "" }), + Applicability::MachineApplicable, + ); + } + }, + ExprKind::Block(block, _) => { + if block.stmts.iter().any(|stmt| !matches!(stmt.kind, StmtKind::Let(_))) { + // If there is something else than let bindings, then better not emit the lint. + return; + } + if let Some(block_expr) = block.expr + // First we ensure that this is a "binding chain" (each statement is a binding + // of the previous one) and that it is a binding of the closure argument. + && let Some(last_chain_binding_id) = + get_last_chain_binding_hir_id(first_param, block.stmts) + { + handle_expr(cx, block_expr, last_chain_binding_id, span, before_chars, revert); + } + }, + ExprKind::Unary(UnOp::Not, expr) => handle_expr(cx, expr, first_param, span, before_chars, !revert), + ExprKind::Call(fn_path, [arg]) => { + if let ExprKind::Path(path) = fn_path.kind + && let Some(fn_def_id) = cx.qpath_res(&path, fn_path.hir_id).opt_def_id() + && match_def_path(cx, fn_def_id, &["core", "char", "methods", "", "is_ascii"]) + && path_to_local_id(peels_expr_ref(arg), first_param) + && let Some(snippet) = snippet_opt(cx, before_chars) + { + span_lint_and_sugg( + cx, + NEEDLESS_CHARACTER_ITERATION, + span, + "checking if a string is ascii using iterators", + "try", + format!("{}{snippet}.is_ascii()", if revert { "!" } else { "" }), + Applicability::MachineApplicable, + ); + } + }, + _ => {}, + } +} + +pub(super) fn check(cx: &LateContext<'_>, call_expr: &Expr<'_>, recv: &Expr<'_>, closure_arg: &Expr<'_>) { + if let ExprKind::Closure(&Closure { body, .. }) = closure_arg.kind + && let body = cx.tcx.hir().body(body) + && let Some(first_param) = body.params.first() + && let ExprKind::MethodCall(method, mut recv, [], _) = recv.kind + && method.ident.name.as_str() == "chars" + && let str_ty = cx.typeck_results().expr_ty_adjusted(recv).peel_refs() + && *str_ty.kind() == ty::Str + { + let expr_start = recv.span; + while let ExprKind::MethodCall(_, new_recv, _, _) = recv.kind { + recv = new_recv; + } + let body_expr = peel_blocks(body.value); + + handle_expr( + cx, + body_expr, + first_param.pat.hir_id, + recv.span.with_hi(call_expr.span.hi()), + recv.span.with_hi(expr_start.hi()), + false, + ); + } +} diff --git a/clippy_lints/src/methods/unnecessary_result_map_or_else.rs b/clippy_lints/src/methods/unnecessary_result_map_or_else.rs index cdfaa690d5f4..c14a87c15341 100644 --- a/clippy_lints/src/methods/unnecessary_result_map_or_else.rs +++ b/clippy_lints/src/methods/unnecessary_result_map_or_else.rs @@ -4,10 +4,11 @@ use clippy_utils::source::snippet; use clippy_utils::ty::is_type_diagnostic_item; use rustc_errors::Applicability; use rustc_hir as hir; -use rustc_hir::{Closure, Expr, ExprKind, HirId, QPath, Stmt, StmtKind}; +use rustc_hir::{Closure, Expr, ExprKind, HirId, QPath}; use rustc_lint::LateContext; use rustc_span::symbol::sym; +use super::utils::get_last_chain_binding_hir_id; use super::UNNECESSARY_RESULT_MAP_OR_ELSE; fn emit_lint(cx: &LateContext<'_>, expr: &Expr<'_>, recv: &Expr<'_>, def_arg: &Expr<'_>) { @@ -25,22 +26,6 @@ fn emit_lint(cx: &LateContext<'_>, expr: &Expr<'_>, recv: &Expr<'_>, def_arg: &E ); } -fn get_last_chain_binding_hir_id(mut hir_id: HirId, statements: &[Stmt<'_>]) -> Option { - for stmt in statements { - if let StmtKind::Let(local) = stmt.kind - && let Some(init) = local.init - && let ExprKind::Path(QPath::Resolved(_, path)) = init.kind - && let hir::def::Res::Local(local_hir_id) = path.res - && local_hir_id == hir_id - { - hir_id = local.pat.hir_id; - } else { - return None; - } - } - Some(hir_id) -} - fn handle_qpath( cx: &LateContext<'_>, expr: &Expr<'_>, diff --git a/clippy_lints/src/methods/utils.rs b/clippy_lints/src/methods/utils.rs index 34d7b9acbe4b..a379f477995d 100644 --- a/clippy_lints/src/methods/utils.rs +++ b/clippy_lints/src/methods/utils.rs @@ -4,7 +4,7 @@ use clippy_utils::{get_parent_expr, path_to_local_id, usage}; use rustc_ast::ast; use rustc_errors::Applicability; use rustc_hir::intravisit::{walk_expr, Visitor}; -use rustc_hir::{BorrowKind, Expr, ExprKind, HirId, Mutability, Pat}; +use rustc_hir::{BorrowKind, Expr, ExprKind, HirId, Mutability, Pat, QPath, Stmt, StmtKind}; use rustc_lint::LateContext; use rustc_middle::hir::nested_filter; use rustc_middle::ty::{self, Ty}; @@ -171,3 +171,19 @@ impl<'cx, 'tcx> CloneOrCopyVisitor<'cx, 'tcx> { .any(|hir_id| path_to_local_id(expr, *hir_id)) } } + +pub(super) fn get_last_chain_binding_hir_id(mut hir_id: HirId, statements: &[Stmt<'_>]) -> Option { + for stmt in statements { + if let StmtKind::Let(local) = stmt.kind + && let Some(init) = local.init + && let ExprKind::Path(QPath::Resolved(_, path)) = init.kind + && let rustc_hir::def::Res::Local(local_hir_id) = path.res + && local_hir_id == hir_id + { + hir_id = local.pat.hir_id; + } else { + return None; + } + } + Some(hir_id) +} diff --git a/tests/ui/needless_character_iteration.fixed b/tests/ui/needless_character_iteration.fixed new file mode 100644 index 000000000000..5a5da592987c --- /dev/null +++ b/tests/ui/needless_character_iteration.fixed @@ -0,0 +1,51 @@ +#![warn(clippy::needless_character_iteration)] +#![allow(clippy::map_identity, clippy::unnecessary_operation)] + +#[derive(Default)] +struct S { + field: &'static str, +} + +impl S { + fn field(&self) -> &str { + self.field + } +} + +fn magic(_: char) {} + +fn main() { + "foo".is_ascii(); + //~^ ERROR: checking if a string is ascii using iterators + !"foo".is_ascii(); + //~^ ERROR: checking if a string is ascii using iterators + "foo".is_ascii(); + //~^ ERROR: checking if a string is ascii using iterators + !"foo".is_ascii(); + //~^ ERROR: checking if a string is ascii using iterators + + let s = String::new(); + s.is_ascii(); + //~^ ERROR: checking if a string is ascii using iterators + !"foo".to_string().is_ascii(); + //~^ ERROR: checking if a string is ascii using iterators + + "foo".is_ascii(); + !"foo".is_ascii(); + + S::default().field().is_ascii(); + //~^ ERROR: checking if a string is ascii using iterators + + // Should not lint! + "foo".chars().all(|c| { + let x = c; + magic(x); + x.is_ascii() + }); + + // Should not lint! + "foo".chars().all(|c| c.is_ascii() && c.is_alphabetic()); + + // Should not lint! + "foo".chars().map(|c| c).all(|c| !char::is_ascii(&c)); +} diff --git a/tests/ui/needless_character_iteration.rs b/tests/ui/needless_character_iteration.rs new file mode 100644 index 000000000000..f6320ff22b7d --- /dev/null +++ b/tests/ui/needless_character_iteration.rs @@ -0,0 +1,59 @@ +#![warn(clippy::needless_character_iteration)] +#![allow(clippy::map_identity, clippy::unnecessary_operation)] + +#[derive(Default)] +struct S { + field: &'static str, +} + +impl S { + fn field(&self) -> &str { + self.field + } +} + +fn magic(_: char) {} + +fn main() { + "foo".chars().all(|c| c.is_ascii()); + //~^ ERROR: checking if a string is ascii using iterators + "foo".chars().all(|c| !c.is_ascii()); + //~^ ERROR: checking if a string is ascii using iterators + "foo".chars().all(|c| char::is_ascii(&c)); + //~^ ERROR: checking if a string is ascii using iterators + "foo".chars().all(|c| !char::is_ascii(&c)); + //~^ ERROR: checking if a string is ascii using iterators + + let s = String::new(); + s.chars().all(|c| c.is_ascii()); + //~^ ERROR: checking if a string is ascii using iterators + "foo".to_string().chars().all(|c| !c.is_ascii()); + //~^ ERROR: checking if a string is ascii using iterators + + "foo".chars().all(|c| { + //~^ ERROR: checking if a string is ascii using iterators + let x = c; + x.is_ascii() + }); + "foo".chars().all(|c| { + //~^ ERROR: checking if a string is ascii using iterators + let x = c; + !x.is_ascii() + }); + + S::default().field().chars().all(|x| x.is_ascii()); + //~^ ERROR: checking if a string is ascii using iterators + + // Should not lint! + "foo".chars().all(|c| { + let x = c; + magic(x); + x.is_ascii() + }); + + // Should not lint! + "foo".chars().all(|c| c.is_ascii() && c.is_alphabetic()); + + // Should not lint! + "foo".chars().map(|c| c).all(|c| !char::is_ascii(&c)); +} diff --git a/tests/ui/needless_character_iteration.stderr b/tests/ui/needless_character_iteration.stderr new file mode 100644 index 000000000000..05055f75aa7f --- /dev/null +++ b/tests/ui/needless_character_iteration.stderr @@ -0,0 +1,67 @@ +error: checking if a string is ascii using iterators + --> tests/ui/needless_character_iteration.rs:18:5 + | +LL | "foo".chars().all(|c| c.is_ascii()); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `"foo".is_ascii()` + | + = note: `-D clippy::needless-character-iteration` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::needless_character_iteration)]` + +error: checking if a string is ascii using iterators + --> tests/ui/needless_character_iteration.rs:20:5 + | +LL | "foo".chars().all(|c| !c.is_ascii()); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `!"foo".is_ascii()` + +error: checking if a string is ascii using iterators + --> tests/ui/needless_character_iteration.rs:22:5 + | +LL | "foo".chars().all(|c| char::is_ascii(&c)); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `"foo".is_ascii()` + +error: checking if a string is ascii using iterators + --> tests/ui/needless_character_iteration.rs:24:5 + | +LL | "foo".chars().all(|c| !char::is_ascii(&c)); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `!"foo".is_ascii()` + +error: checking if a string is ascii using iterators + --> tests/ui/needless_character_iteration.rs:28:5 + | +LL | s.chars().all(|c| c.is_ascii()); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `s.is_ascii()` + +error: checking if a string is ascii using iterators + --> tests/ui/needless_character_iteration.rs:30:5 + | +LL | "foo".to_string().chars().all(|c| !c.is_ascii()); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `!"foo".to_string().is_ascii()` + +error: checking if a string is ascii using iterators + --> tests/ui/needless_character_iteration.rs:33:5 + | +LL | / "foo".chars().all(|c| { +LL | | +LL | | let x = c; +LL | | x.is_ascii() +LL | | }); + | |______^ help: try: `"foo".is_ascii()` + +error: checking if a string is ascii using iterators + --> tests/ui/needless_character_iteration.rs:38:5 + | +LL | / "foo".chars().all(|c| { +LL | | +LL | | let x = c; +LL | | !x.is_ascii() +LL | | }); + | |______^ help: try: `!"foo".is_ascii()` + +error: checking if a string is ascii using iterators + --> tests/ui/needless_character_iteration.rs:44:5 + | +LL | S::default().field().chars().all(|x| x.is_ascii()); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `S::default().field().is_ascii()` + +error: aborting due to 9 previous errors + From 90fec5a0873c82674890a9f67b73a4f0a35e9d0b Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Sat, 25 May 2024 13:03:23 +0200 Subject: [PATCH 0601/1716] Add `copy_dir_all` and `recursive_diff` functions to `run-make-support` --- src/tools/run-make-support/src/lib.rs | 67 +++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index 9854d91e19e3..d96c8b891278 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -12,6 +12,8 @@ pub mod rustc; pub mod rustdoc; use std::env; +use std::fs; +use std::io; use std::path::{Path, PathBuf}; use std::process::{Command, Output}; @@ -201,6 +203,71 @@ pub fn set_host_rpath(cmd: &mut Command) { }); } +/// Copy a directory into another. +pub fn copy_dir_all(src: impl AsRef, dst: impl AsRef) { + fn copy_dir_all_inner(src: impl AsRef, dst: impl AsRef) -> io::Result<()> { + let dst = dst.as_ref(); + if !dst.is_dir() { + fs::create_dir_all(&dst)?; + } + for entry in fs::read_dir(src)? { + let entry = entry?; + let ty = entry.file_type()?; + if ty.is_dir() { + copy_dir_all_inner(entry.path(), dst.join(entry.file_name()))?; + } else { + fs::copy(entry.path(), dst.join(entry.file_name()))?; + } + } + Ok(()) + } + + if let Err(e) = copy_dir_all_inner(&src, &dst) { + // Trying to give more context about what exactly caused the failure + panic!( + "failed to copy `{}` to `{}`: {:?}", + src.as_ref().display(), + dst.as_ref().display(), + e + ); + } +} + +/// Check that all files in `dir1` exist and have the same content in `dir2`. Panic otherwise. +pub fn recursive_diff(dir1: impl AsRef, dir2: impl AsRef) { + fn read_file(path: &Path) -> Vec { + match fs::read(path) { + Ok(c) => c, + Err(e) => panic!("Failed to read `{}`: {:?}", path.display(), e), + } + } + + let dir2 = dir2.as_ref(); + for entry in fs::read_dir(dir1).unwrap() { + let entry = entry.unwrap(); + let entry_name = entry.file_name(); + let path = entry.path(); + + if path.is_dir() { + recursive_diff(&path, &dir2.join(entry_name)); + } else { + let path2 = dir2.join(entry_name); + let file1 = read_file(&path); + let file2 = read_file(&path2); + + // We don't use `assert_eq!` because they are `Vec`, so not great for display. + // Why not using String? Because there might be minified files or even potentially + // binary ones, so that would display useless output. + assert!( + file1 == file2, + "`{}` and `{}` have different content", + path.display(), + path2.display(), + ); + } + } +} + /// Implement common helpers for command wrappers. This assumes that the command wrapper is a struct /// containing a `cmd: Command` field and a `output` function. The provided helpers are: /// From 1551fd12023e3b84d844bde2e376c407af1e9a04 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Sat, 25 May 2024 13:03:53 +0200 Subject: [PATCH 0602/1716] Add file path in case it cannot be read in `Diff::actual_file` --- src/tools/run-make-support/src/diff/mod.rs | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/src/tools/run-make-support/src/diff/mod.rs b/src/tools/run-make-support/src/diff/mod.rs index 332126939c08..d864ddf4eb17 100644 --- a/src/tools/run-make-support/src/diff/mod.rs +++ b/src/tools/run-make-support/src/diff/mod.rs @@ -51,7 +51,10 @@ impl Diff { /// Specify the actual output for the diff from a file. pub fn actual_file>(&mut self, path: P) -> &mut Self { let path = path.as_ref(); - let content = std::fs::read_to_string(path).expect("failed to read file"); + let content = match std::fs::read_to_string(path) { + Ok(c) => c, + Err(e) => panic!("failed to read `{}`: {:?}", path.display(), e), + }; let name = path.to_string_lossy().to_string(); self.actual = Some(content); From f0ab814aec56418ec0792d41db27e7d94c7d4380 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Sat, 25 May 2024 13:04:08 +0200 Subject: [PATCH 0603/1716] Add `Rustdoc::output_format` --- src/tools/run-make-support/src/rustdoc.rs | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/src/tools/run-make-support/src/rustdoc.rs b/src/tools/run-make-support/src/rustdoc.rs index c4f4e9f9bd23..9c77f1ca4624 100644 --- a/src/tools/run-make-support/src/rustdoc.rs +++ b/src/tools/run-make-support/src/rustdoc.rs @@ -151,6 +151,13 @@ impl Rustdoc { self } + /// Specify the output format. + pub fn output_format(&mut self, format: &str) -> &mut Self { + self.cmd.arg("--output-format"); + self.cmd.arg(format); + self + } + #[track_caller] pub fn run_fail_assert_exit_code(&mut self, code: i32) -> Output { let caller_location = std::panic::Location::caller(); From bdf3864d51f7141d9e0fd14c754c7c3b5650af60 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Sat, 25 May 2024 13:04:41 +0200 Subject: [PATCH 0604/1716] Migrate `run-make/rustdoc-verify-output-files` to `rmake.rs` --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - .../rustdoc-verify-output-files/Makefile | 32 ------------ .../rustdoc-verify-output-files/rmake.rs | 49 +++++++++++++++++++ 3 files changed, 49 insertions(+), 33 deletions(-) delete mode 100644 tests/run-make/rustdoc-verify-output-files/Makefile create mode 100644 tests/run-make/rustdoc-verify-output-files/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 9a6ae18abead..d3f712258c48 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -227,7 +227,6 @@ run-make/rlib-format-packed-bundled-libs/Makefile run-make/rmeta-preferred/Makefile run-make/rustc-macro-dep-files/Makefile run-make/rustdoc-io-error/Makefile -run-make/rustdoc-verify-output-files/Makefile run-make/sanitizer-cdylib-link/Makefile run-make/sanitizer-dylib-link/Makefile run-make/sanitizer-staticlib-link/Makefile diff --git a/tests/run-make/rustdoc-verify-output-files/Makefile b/tests/run-make/rustdoc-verify-output-files/Makefile deleted file mode 100644 index 76f233ab445d..000000000000 --- a/tests/run-make/rustdoc-verify-output-files/Makefile +++ /dev/null @@ -1,32 +0,0 @@ -include ../tools.mk - -OUTPUT_DIR := "$(TMPDIR)/rustdoc" -TMP_OUTPUT_DIR := "$(TMPDIR)/tmp-rustdoc" - -all: - # Generate html docs - $(RUSTDOC) src/lib.rs --crate-name foobar --crate-type lib --out-dir $(OUTPUT_DIR) - - # Copy first output for to check if it's exactly same after second compilation - cp -R $(OUTPUT_DIR) $(TMP_OUTPUT_DIR) - - # Generate html docs once again on same output - $(RUSTDOC) src/lib.rs --crate-name foobar --crate-type lib --out-dir $(OUTPUT_DIR) - - # Check if everything exactly same - $(DIFF) -r $(OUTPUT_DIR) $(TMP_OUTPUT_DIR) - - # Generate json doc on the same output - $(RUSTDOC) src/lib.rs --crate-name foobar --crate-type lib --out-dir $(OUTPUT_DIR) -Z unstable-options --output-format json - - # Check if expected json file is generated - [ -e $(OUTPUT_DIR)/foobar.json ] - - # Copy first json output to check if it's exactly same after second compilation - cp -R $(OUTPUT_DIR)/foobar.json $(TMP_OUTPUT_DIR)/foobar.json - - # Generate json doc on the same output - $(RUSTDOC) src/lib.rs --crate-name foobar --crate-type lib --out-dir $(OUTPUT_DIR) -Z unstable-options --output-format json - - # Check if all docs(including both json and html formats) are still the same after multiple compilations - $(DIFF) -r $(OUTPUT_DIR) $(TMP_OUTPUT_DIR) diff --git a/tests/run-make/rustdoc-verify-output-files/rmake.rs b/tests/run-make/rustdoc-verify-output-files/rmake.rs new file mode 100644 index 000000000000..212e7eaba2d6 --- /dev/null +++ b/tests/run-make/rustdoc-verify-output-files/rmake.rs @@ -0,0 +1,49 @@ +use std::fs::copy; +use std::path::{Path, PathBuf}; + +use run_make_support::{copy_dir_all, recursive_diff, rustdoc, tmp_dir}; + +#[derive(PartialEq)] +enum JsonOutput { + Yes, + No, +} + +fn generate_docs(out_dir: &Path, json_output: JsonOutput) { + let mut rustdoc = rustdoc(); + rustdoc.input("src/lib.rs").crate_name("foobar").crate_type("lib").out_dir(&out_dir); + if json_output == JsonOutput::Yes { + rustdoc.arg("-Zunstable-options").output_format("json"); + } + rustdoc.run(); +} + +fn main() { + let out_dir = tmp_dir().join("rustdoc"); + let tmp_out_dir = tmp_dir().join("tmp-rustdoc"); + + // Generate HTML docs. + generate_docs(&out_dir, JsonOutput::No); + + // Copy first output for to check if it's exactly same after second compilation. + copy_dir_all(&out_dir, &tmp_out_dir); + + // Generate html docs once again on same output. + generate_docs(&out_dir, JsonOutput::No); + + // Generate json doc on the same output. + generate_docs(&out_dir, JsonOutput::Yes); + + // Check if expected json file is generated. + assert!(out_dir.join("foobar.json").is_file()); + + // Copy first json output to check if it's exactly same after second compilation. + copy(out_dir.join("foobar.json"), tmp_out_dir.join("foobar.json")).unwrap(); + + // Generate json doc on the same output. + generate_docs(&out_dir, JsonOutput::Yes); + + // Check if all docs(including both json and html formats) are still the same after multiple + // compilations. + recursive_diff(&out_dir, &tmp_out_dir); +} From 7d24f8706823e2f56f42ab7597f50d1b679f0eea Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Mon, 27 May 2024 15:28:51 +0200 Subject: [PATCH 0605/1716] MIR validation: ensure that downcast projection is followed by field projection --- compiler/rustc_middle/src/mir/syntax.rs | 4 +-- compiler/rustc_mir_transform/src/validate.rs | 26 ++++++++++++++++--- .../miri/tests/panic/mir-validation.stderr | 2 +- 3 files changed, 26 insertions(+), 6 deletions(-) diff --git a/compiler/rustc_middle/src/mir/syntax.rs b/compiler/rustc_middle/src/mir/syntax.rs index 2b28496faec7..2d4852114332 100644 --- a/compiler/rustc_middle/src/mir/syntax.rs +++ b/compiler/rustc_middle/src/mir/syntax.rs @@ -1008,8 +1008,8 @@ pub type AssertMessage<'tcx> = AssertKind>; /// element: /// /// - [`Downcast`](ProjectionElem::Downcast): This projection sets the place's variant index to the -/// given one, and makes no other changes. A `Downcast` projection on a place with its variant -/// index already set is not well-formed. +/// given one, and makes no other changes. A `Downcast` projection must always be followed +/// immediately by a `Field` projection. /// - [`Field`](ProjectionElem::Field): `Field` projections take their parent place and create a /// place referring to one of the fields of the type. The resulting address is the parent /// address, plus the offset of the field. The type becomes the type of the field. If the parent diff --git a/compiler/rustc_mir_transform/src/validate.rs b/compiler/rustc_mir_transform/src/validate.rs index 66cc65de6470..6df32169eecb 100644 --- a/compiler/rustc_mir_transform/src/validate.rs +++ b/compiler/rustc_mir_transform/src/validate.rs @@ -689,8 +689,10 @@ impl<'a, 'tcx> Visitor<'tcx> for TypeChecker<'a, 'tcx> { if Some(adt_def.did()) == self.tcx.lang_items().dyn_metadata() { self.fail( location, - format!("You can't project to field {f:?} of `DynMetadata` because \ - layout is weird and thinks it doesn't have fields."), + format!( + "You can't project to field {f:?} of `DynMetadata` because \ + layout is weird and thinks it doesn't have fields." + ), ); } @@ -839,7 +841,25 @@ impl<'a, 'tcx> Visitor<'tcx> for TypeChecker<'a, 'tcx> { && cntxt != PlaceContext::NonUse(NonUseContext::VarDebugInfo) && place.projection[1..].contains(&ProjectionElem::Deref) { - self.fail(location, format!("{place:?}, has deref at the wrong place")); + self.fail( + location, + format!("place {place:?} has deref as a later projection (it is only permitted as the first projection)"), + ); + } + + // Ensure all downcast projections are followed by field projections. + let mut projections_iter = place.projection.iter(); + while let Some(proj) = projections_iter.next() { + if matches!(proj, ProjectionElem::Downcast(..)) { + if !matches!(projections_iter.next(), Some(ProjectionElem::Field(..))) { + self.fail( + location, + format!( + "place {place:?} has `Downcast` projection not followed by `Field`" + ), + ); + } + } } self.super_place(place, cntxt, location); diff --git a/src/tools/miri/tests/panic/mir-validation.stderr b/src/tools/miri/tests/panic/mir-validation.stderr index d5dd53d7b4e9..534e2d5881ff 100644 --- a/src/tools/miri/tests/panic/mir-validation.stderr +++ b/src/tools/miri/tests/panic/mir-validation.stderr @@ -1,6 +1,6 @@ thread 'rustc' panicked at compiler/rustc_mir_transform/src/validate.rs:LL:CC: broken MIR in Item(DefId) (after phase change to runtime-optimized) at bb0[1]: -(*(_2.0: *mut i32)), has deref at the wrong place +place (*(_2.0: *mut i32)) has deref as a later projection (it is only permitted as the first projection) stack backtrace: error: the compiler unexpectedly panicked. this is a bug. From d562cec048cb5da46b2351549beffbad8248de1c Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Mon, 27 May 2024 16:41:53 +0200 Subject: [PATCH 0606/1716] Preparing for merge from rustc --- src/tools/miri/rust-version | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/miri/rust-version b/src/tools/miri/rust-version index aa06a0dbcdc5..3b24a903d3af 100644 --- a/src/tools/miri/rust-version +++ b/src/tools/miri/rust-version @@ -1 +1 @@ -21e6de7eb64c09102de3f100420a09edc1a2a8d7 +a59072ec4fb6824213df5e9de8cae4812fd4fe97 From 84f70abacb2a9a0d6d90435b44ba69c71147e34c Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Mon, 27 May 2024 16:43:30 +0200 Subject: [PATCH 0607/1716] fmt --- .../stacked_borrows/diagnostics.rs | 6 +----- src/tools/miri/src/concurrency/init_once.rs | 5 +---- src/tools/miri/src/concurrency/sync.rs | 9 ++------- src/tools/miri/src/shims/unix/sync.rs | 18 ++++-------------- src/tools/miri/src/shims/x86/aesni.rs | 4 +--- src/tools/miri/src/shims/x86/avx.rs | 4 +--- src/tools/miri/src/shims/x86/avx2.rs | 4 +--- src/tools/miri/src/shims/x86/sse.rs | 4 +--- src/tools/miri/src/shims/x86/sse2.rs | 4 +--- src/tools/miri/src/shims/x86/sse3.rs | 4 +--- src/tools/miri/src/shims/x86/sse41.rs | 4 +--- src/tools/miri/src/shims/x86/ssse3.rs | 4 +--- 12 files changed, 16 insertions(+), 54 deletions(-) diff --git a/src/tools/miri/src/borrow_tracker/stacked_borrows/diagnostics.rs b/src/tools/miri/src/borrow_tracker/stacked_borrows/diagnostics.rs index 8270a8c321ce..87d9057cb89d 100644 --- a/src/tools/miri/src/borrow_tracker/stacked_borrows/diagnostics.rs +++ b/src/tools/miri/src/borrow_tracker/stacked_borrows/diagnostics.rs @@ -149,11 +149,7 @@ impl<'ecx, 'tcx> DiagnosticCxBuilder<'ecx, 'tcx> { DiagnosticCxBuilder { machine, operation } } - pub fn read( - machine: &'ecx MiriMachine<'tcx>, - tag: ProvenanceExtra, - range: AllocRange, - ) -> Self { + pub fn read(machine: &'ecx MiriMachine<'tcx>, tag: ProvenanceExtra, range: AllocRange) -> Self { let operation = Operation::Access(AccessOp { kind: AccessKind::Read, tag, range }); DiagnosticCxBuilder { machine, operation } } diff --git a/src/tools/miri/src/concurrency/init_once.rs b/src/tools/miri/src/concurrency/init_once.rs index ab58b27cd2b1..7f8500159c14 100644 --- a/src/tools/miri/src/concurrency/init_once.rs +++ b/src/tools/miri/src/concurrency/init_once.rs @@ -33,10 +33,7 @@ trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { #[inline] fn init_once_get_or_create(&mut self, existing: F) -> InterpResult<'tcx, InitOnceId> where - F: FnOnce( - &mut MiriInterpCx<'tcx>, - InitOnceId, - ) -> InterpResult<'tcx, Option>, + F: FnOnce(&mut MiriInterpCx<'tcx>, InitOnceId) -> InterpResult<'tcx, Option>, { let this = self.eval_context_mut(); let next_index = this.machine.sync.init_onces.next_index(); diff --git a/src/tools/miri/src/concurrency/sync.rs b/src/tools/miri/src/concurrency/sync.rs index cff50bdb64c8..dfe4d0d4c2f9 100644 --- a/src/tools/miri/src/concurrency/sync.rs +++ b/src/tools/miri/src/concurrency/sync.rs @@ -161,9 +161,7 @@ pub struct SynchronizationObjects { // Private extension trait for local helper methods impl<'tcx> EvalContextExtPriv<'tcx> for crate::MiriInterpCx<'tcx> {} -pub(super) trait EvalContextExtPriv<'tcx>: - crate::MiriInterpCxExt<'tcx> -{ +pub(super) trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { /// Lazily initialize the ID of this Miri sync structure. /// ('0' indicates uninit.) #[inline] @@ -245,10 +243,7 @@ pub(super) trait EvalContextExtPriv<'tcx>: #[inline] fn condvar_get_or_create(&mut self, existing: F) -> InterpResult<'tcx, CondvarId> where - F: FnOnce( - &mut MiriInterpCx<'tcx>, - CondvarId, - ) -> InterpResult<'tcx, Option>, + F: FnOnce(&mut MiriInterpCx<'tcx>, CondvarId) -> InterpResult<'tcx, Option>, { let this = self.eval_context_mut(); let next_index = this.machine.sync.condvars.next_index(); diff --git a/src/tools/miri/src/shims/unix/sync.rs b/src/tools/miri/src/shims/unix/sync.rs index 0743ad14495d..304c1386370c 100644 --- a/src/tools/miri/src/shims/unix/sync.rs +++ b/src/tools/miri/src/shims/unix/sync.rs @@ -10,9 +10,7 @@ use crate::*; // - kind: i32 #[inline] -fn mutexattr_kind_offset<'tcx>( - ecx: &MiriInterpCx<'tcx>, -) -> InterpResult<'tcx, u64> { +fn mutexattr_kind_offset<'tcx>(ecx: &MiriInterpCx<'tcx>) -> InterpResult<'tcx, u64> { Ok(match &*ecx.tcx.sess.target.os { "linux" | "illumos" | "solaris" | "macos" => 0, os => throw_unsup_format!("`pthread_mutexattr` is not supported on {os}"), @@ -53,17 +51,11 @@ fn mutexattr_set_kind<'tcx>( /// in `pthread_mutexattr_settype` function. const PTHREAD_MUTEX_NORMAL_FLAG: i32 = 0x8000000; -fn is_mutex_kind_default<'tcx>( - ecx: &MiriInterpCx<'tcx>, - kind: i32, -) -> InterpResult<'tcx, bool> { +fn is_mutex_kind_default<'tcx>(ecx: &MiriInterpCx<'tcx>, kind: i32) -> InterpResult<'tcx, bool> { Ok(kind == ecx.eval_libc_i32("PTHREAD_MUTEX_DEFAULT")) } -fn is_mutex_kind_normal<'tcx>( - ecx: &MiriInterpCx<'tcx>, - kind: i32, -) -> InterpResult<'tcx, bool> { +fn is_mutex_kind_normal<'tcx>(ecx: &MiriInterpCx<'tcx>, kind: i32) -> InterpResult<'tcx, bool> { let mutex_normal_kind = ecx.eval_libc_i32("PTHREAD_MUTEX_NORMAL"); Ok(kind == (mutex_normal_kind | PTHREAD_MUTEX_NORMAL_FLAG)) } @@ -220,9 +212,7 @@ fn rwlock_get_id<'tcx>( // - clock: i32 #[inline] -fn condattr_clock_offset<'tcx>( - ecx: &MiriInterpCx<'tcx>, -) -> InterpResult<'tcx, u64> { +fn condattr_clock_offset<'tcx>(ecx: &MiriInterpCx<'tcx>) -> InterpResult<'tcx, u64> { Ok(match &*ecx.tcx.sess.target.os { "linux" | "illumos" | "solaris" => 0, // macOS does not have a clock attribute. diff --git a/src/tools/miri/src/shims/x86/aesni.rs b/src/tools/miri/src/shims/x86/aesni.rs index c1be1d4582a7..e7164d665113 100644 --- a/src/tools/miri/src/shims/x86/aesni.rs +++ b/src/tools/miri/src/shims/x86/aesni.rs @@ -6,9 +6,7 @@ use rustc_target::spec::abi::Abi; use crate::*; impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} -pub(super) trait EvalContextExt<'tcx>: - crate::MiriInterpCxExt<'tcx> -{ +pub(super) trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn emulate_x86_aesni_intrinsic( &mut self, link_name: Symbol, diff --git a/src/tools/miri/src/shims/x86/avx.rs b/src/tools/miri/src/shims/x86/avx.rs index f782fbfff4e7..1a912f6ff5d7 100644 --- a/src/tools/miri/src/shims/x86/avx.rs +++ b/src/tools/miri/src/shims/x86/avx.rs @@ -13,9 +13,7 @@ use super::{ use crate::*; impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} -pub(super) trait EvalContextExt<'tcx>: - crate::MiriInterpCxExt<'tcx> -{ +pub(super) trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn emulate_x86_avx_intrinsic( &mut self, link_name: Symbol, diff --git a/src/tools/miri/src/shims/x86/avx2.rs b/src/tools/miri/src/shims/x86/avx2.rs index 91764a20572a..9b50da79edd2 100644 --- a/src/tools/miri/src/shims/x86/avx2.rs +++ b/src/tools/miri/src/shims/x86/avx2.rs @@ -11,9 +11,7 @@ use super::{ use crate::*; impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} -pub(super) trait EvalContextExt<'tcx>: - crate::MiriInterpCxExt<'tcx> -{ +pub(super) trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn emulate_x86_avx2_intrinsic( &mut self, link_name: Symbol, diff --git a/src/tools/miri/src/shims/x86/sse.rs b/src/tools/miri/src/shims/x86/sse.rs index 0afb2090cad6..16c070818200 100644 --- a/src/tools/miri/src/shims/x86/sse.rs +++ b/src/tools/miri/src/shims/x86/sse.rs @@ -10,9 +10,7 @@ use super::{ use crate::*; impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} -pub(super) trait EvalContextExt<'tcx>: - crate::MiriInterpCxExt<'tcx> -{ +pub(super) trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn emulate_x86_sse_intrinsic( &mut self, link_name: Symbol, diff --git a/src/tools/miri/src/shims/x86/sse2.rs b/src/tools/miri/src/shims/x86/sse2.rs index bdff22cfa95b..f8b512e7981c 100644 --- a/src/tools/miri/src/shims/x86/sse2.rs +++ b/src/tools/miri/src/shims/x86/sse2.rs @@ -9,9 +9,7 @@ use super::{ use crate::*; impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} -pub(super) trait EvalContextExt<'tcx>: - crate::MiriInterpCxExt<'tcx> -{ +pub(super) trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn emulate_x86_sse2_intrinsic( &mut self, link_name: Symbol, diff --git a/src/tools/miri/src/shims/x86/sse3.rs b/src/tools/miri/src/shims/x86/sse3.rs index 7dbe5163199b..58d27ef8f721 100644 --- a/src/tools/miri/src/shims/x86/sse3.rs +++ b/src/tools/miri/src/shims/x86/sse3.rs @@ -6,9 +6,7 @@ use super::horizontal_bin_op; use crate::*; impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} -pub(super) trait EvalContextExt<'tcx>: - crate::MiriInterpCxExt<'tcx> -{ +pub(super) trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn emulate_x86_sse3_intrinsic( &mut self, link_name: Symbol, diff --git a/src/tools/miri/src/shims/x86/sse41.rs b/src/tools/miri/src/shims/x86/sse41.rs index b3880fec3e03..79f885ed0948 100644 --- a/src/tools/miri/src/shims/x86/sse41.rs +++ b/src/tools/miri/src/shims/x86/sse41.rs @@ -5,9 +5,7 @@ use super::{conditional_dot_product, mpsadbw, packusdw, round_all, round_first, use crate::*; impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} -pub(super) trait EvalContextExt<'tcx>: - crate::MiriInterpCxExt<'tcx> -{ +pub(super) trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn emulate_x86_sse41_intrinsic( &mut self, link_name: Symbol, diff --git a/src/tools/miri/src/shims/x86/ssse3.rs b/src/tools/miri/src/shims/x86/ssse3.rs index 1f7870f8ca03..2bb9a8dec690 100644 --- a/src/tools/miri/src/shims/x86/ssse3.rs +++ b/src/tools/miri/src/shims/x86/ssse3.rs @@ -6,9 +6,7 @@ use super::{horizontal_bin_op, int_abs, pmulhrsw, psign}; use crate::*; impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} -pub(super) trait EvalContextExt<'tcx>: - crate::MiriInterpCxExt<'tcx> -{ +pub(super) trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn emulate_x86_ssse3_intrinsic( &mut self, link_name: Symbol, From fcb4cf52d8111d781d3b9a7b25dd26cddf7338e8 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Mon, 27 May 2024 17:29:52 +0200 Subject: [PATCH 0608/1716] avoid repeating the Provenance parameter everywhere --- src/tools/miri/src/borrow_tracker/mod.rs | 11 +- .../src/borrow_tracker/stacked_borrows/mod.rs | 33 ++-- .../src/borrow_tracker/tree_borrows/mod.rs | 37 ++--- src/tools/miri/src/concurrency/data_race.rs | 42 ++--- src/tools/miri/src/concurrency/init_once.rs | 2 +- src/tools/miri/src/concurrency/sync.rs | 69 ++++---- src/tools/miri/src/concurrency/thread.rs | 8 +- src/tools/miri/src/concurrency/weak_memory.rs | 43 +++-- src/tools/miri/src/helpers.rs | 79 ++++----- src/tools/miri/src/intrinsics/atomic.rs | 38 ++--- src/tools/miri/src/intrinsics/mod.rs | 10 +- src/tools/miri/src/intrinsics/simd.rs | 10 +- src/tools/miri/src/lib.rs | 9 +- src/tools/miri/src/machine.rs | 34 ++-- src/tools/miri/src/operator.rs | 6 +- src/tools/miri/src/provenance_gc.rs | 10 +- src/tools/miri/src/shims/alloc.rs | 12 +- src/tools/miri/src/shims/backtrace.rs | 16 +- src/tools/miri/src/shims/extern_static.rs | 2 +- src/tools/miri/src/shims/foreign_items.rs | 22 +-- src/tools/miri/src/shims/native_lib.rs | 13 +- src/tools/miri/src/shims/panic.rs | 10 +- src/tools/miri/src/shims/time.rs | 39 ++--- src/tools/miri/src/shims/tls.rs | 18 +- .../src/shims/unix/android/foreign_items.rs | 4 +- src/tools/miri/src/shims/unix/env.rs | 21 +-- src/tools/miri/src/shims/unix/fd.rs | 4 +- .../miri/src/shims/unix/foreign_items.rs | 6 +- .../src/shims/unix/freebsd/foreign_items.rs | 4 +- src/tools/miri/src/shims/unix/fs.rs | 114 ++++++------- src/tools/miri/src/shims/unix/linux/epoll.rs | 29 ++-- .../miri/src/shims/unix/linux/eventfd.rs | 6 +- .../src/shims/unix/linux/foreign_items.rs | 4 +- src/tools/miri/src/shims/unix/linux/mem.rs | 10 +- src/tools/miri/src/shims/unix/linux/sync.rs | 4 +- .../src/shims/unix/macos/foreign_items.rs | 4 +- src/tools/miri/src/shims/unix/mem.rs | 18 +- src/tools/miri/src/shims/unix/socket.rs | 10 +- .../src/shims/unix/solarish/foreign_items.rs | 4 +- src/tools/miri/src/shims/unix/sync.rs | 143 ++++++---------- src/tools/miri/src/shims/unix/thread.rs | 30 ++-- .../miri/src/shims/wasi/foreign_items.rs | 4 +- src/tools/miri/src/shims/windows/env.rs | 37 ++--- .../miri/src/shims/windows/foreign_items.rs | 4 +- src/tools/miri/src/shims/windows/handle.rs | 6 +- src/tools/miri/src/shims/windows/sync.rs | 45 +++-- src/tools/miri/src/shims/windows/thread.rs | 16 +- src/tools/miri/src/shims/x86/aesni.rs | 10 +- src/tools/miri/src/shims/x86/avx.rs | 4 +- src/tools/miri/src/shims/x86/avx2.rs | 4 +- src/tools/miri/src/shims/x86/mod.rs | 156 +++++++++--------- src/tools/miri/src/shims/x86/sse.rs | 4 +- src/tools/miri/src/shims/x86/sse2.rs | 4 +- src/tools/miri/src/shims/x86/sse3.rs | 4 +- src/tools/miri/src/shims/x86/sse41.rs | 4 +- src/tools/miri/src/shims/x86/ssse3.rs | 4 +- 56 files changed, 585 insertions(+), 709 deletions(-) diff --git a/src/tools/miri/src/borrow_tracker/mod.rs b/src/tools/miri/src/borrow_tracker/mod.rs index a55ec427d5f0..1b84ecc76860 100644 --- a/src/tools/miri/src/borrow_tracker/mod.rs +++ b/src/tools/miri/src/borrow_tracker/mod.rs @@ -281,8 +281,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn retag_ptr_value( &mut self, kind: RetagKind, - val: &ImmTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, ImmTy<'tcx, Provenance>> { + val: &ImmTy<'tcx>, + ) -> InterpResult<'tcx, ImmTy<'tcx>> { let this = self.eval_context_mut(); let method = this.machine.borrow_tracker.as_ref().unwrap().borrow().borrow_tracker_method; match method { @@ -294,7 +294,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn retag_place_contents( &mut self, kind: RetagKind, - place: &PlaceTy<'tcx, Provenance>, + place: &PlaceTy<'tcx>, ) -> InterpResult<'tcx> { let this = self.eval_context_mut(); let method = this.machine.borrow_tracker.as_ref().unwrap().borrow().borrow_tracker_method; @@ -304,10 +304,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } } - fn protect_place( - &mut self, - place: &MPlaceTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, MPlaceTy<'tcx, Provenance>> { + fn protect_place(&mut self, place: &MPlaceTy<'tcx>) -> InterpResult<'tcx, MPlaceTy<'tcx>> { let this = self.eval_context_mut(); let method = this.machine.borrow_tracker.as_ref().unwrap().borrow().borrow_tracker_method; match method { diff --git a/src/tools/miri/src/borrow_tracker/stacked_borrows/mod.rs b/src/tools/miri/src/borrow_tracker/stacked_borrows/mod.rs index 2786668695e2..5af2eeeec06e 100644 --- a/src/tools/miri/src/borrow_tracker/stacked_borrows/mod.rs +++ b/src/tools/miri/src/borrow_tracker/stacked_borrows/mod.rs @@ -587,7 +587,7 @@ trait EvalContextPrivExt<'tcx, 'ecx>: crate::MiriInterpCxExt<'tcx> { /// Returns the provenance that should be used henceforth. fn sb_reborrow( &mut self, - place: &MPlaceTy<'tcx, Provenance>, + place: &MPlaceTy<'tcx>, size: Size, new_perm: NewPermission, new_tag: BorTag, @@ -809,10 +809,10 @@ trait EvalContextPrivExt<'tcx, 'ecx>: crate::MiriInterpCxExt<'tcx> { fn sb_retag_place( &mut self, - place: &MPlaceTy<'tcx, Provenance>, + place: &MPlaceTy<'tcx>, new_perm: NewPermission, info: RetagInfo, // diagnostics info about this retag - ) -> InterpResult<'tcx, MPlaceTy<'tcx, Provenance>> { + ) -> InterpResult<'tcx, MPlaceTy<'tcx>> { let this = self.eval_context_mut(); let size = this.size_and_align_of_mplace(place)?.map(|(size, _)| size); // FIXME: If we cannot determine the size (because the unsized tail is an `extern type`), @@ -839,10 +839,10 @@ trait EvalContextPrivExt<'tcx, 'ecx>: crate::MiriInterpCxExt<'tcx> { /// `kind` indicates what kind of reference is being created. fn sb_retag_reference( &mut self, - val: &ImmTy<'tcx, Provenance>, + val: &ImmTy<'tcx>, new_perm: NewPermission, info: RetagInfo, // diagnostics info about this retag - ) -> InterpResult<'tcx, ImmTy<'tcx, Provenance>> { + ) -> InterpResult<'tcx, ImmTy<'tcx>> { let this = self.eval_context_mut(); let place = this.ref_to_mplace(val)?; let new_place = this.sb_retag_place(&place, new_perm, info)?; @@ -855,8 +855,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn sb_retag_ptr_value( &mut self, kind: RetagKind, - val: &ImmTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, ImmTy<'tcx, Provenance>> { + val: &ImmTy<'tcx>, + ) -> InterpResult<'tcx, ImmTy<'tcx>> { let this = self.eval_context_mut(); let new_perm = NewPermission::from_ref_ty(val.layout.ty, kind, this); let cause = match kind { @@ -870,7 +870,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn sb_retag_place_contents( &mut self, kind: RetagKind, - place: &PlaceTy<'tcx, Provenance>, + place: &PlaceTy<'tcx>, ) -> InterpResult<'tcx> { let this = self.eval_context_mut(); let retag_fields = this.machine.borrow_tracker.as_mut().unwrap().get_mut().retag_fields; @@ -895,7 +895,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { #[inline(always)] // yes this helps in our benchmarks fn retag_ptr_inplace( &mut self, - place: &PlaceTy<'tcx, Provenance>, + place: &PlaceTy<'tcx>, new_perm: NewPermission, ) -> InterpResult<'tcx> { let val = self.ecx.read_immediate(&self.ecx.place_to_op(place)?)?; @@ -909,18 +909,14 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } } impl<'ecx, 'tcx> ValueVisitor<'tcx, MiriMachine<'tcx>> for RetagVisitor<'ecx, 'tcx> { - type V = PlaceTy<'tcx, Provenance>; + type V = PlaceTy<'tcx>; #[inline(always)] fn ecx(&self) -> &MiriInterpCx<'tcx> { self.ecx } - fn visit_box( - &mut self, - box_ty: Ty<'tcx>, - place: &PlaceTy<'tcx, Provenance>, - ) -> InterpResult<'tcx> { + fn visit_box(&mut self, box_ty: Ty<'tcx>, place: &PlaceTy<'tcx>) -> InterpResult<'tcx> { // Only boxes for the global allocator get any special treatment. if box_ty.is_box_global(*self.ecx.tcx) { // Boxes get a weak protectors, since they may be deallocated. @@ -930,7 +926,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { Ok(()) } - fn visit_value(&mut self, place: &PlaceTy<'tcx, Provenance>) -> InterpResult<'tcx> { + fn visit_value(&mut self, place: &PlaceTy<'tcx>) -> InterpResult<'tcx> { // If this place is smaller than a pointer, we know that it can't contain any // pointers we need to retag, so we can stop recursion early. // This optimization is crucial for ZSTs, because they can contain way more fields @@ -984,10 +980,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// call. /// /// This is used to ensure soundness of in-place function argument/return passing. - fn sb_protect_place( - &mut self, - place: &MPlaceTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, MPlaceTy<'tcx, Provenance>> { + fn sb_protect_place(&mut self, place: &MPlaceTy<'tcx>) -> InterpResult<'tcx, MPlaceTy<'tcx>> { let this = self.eval_context_mut(); // Retag it. With protection! That is the entire point. diff --git a/src/tools/miri/src/borrow_tracker/tree_borrows/mod.rs b/src/tools/miri/src/borrow_tracker/tree_borrows/mod.rs index e1c06b2bd98e..a5867ff24a0c 100644 --- a/src/tools/miri/src/borrow_tracker/tree_borrows/mod.rs +++ b/src/tools/miri/src/borrow_tracker/tree_borrows/mod.rs @@ -195,7 +195,7 @@ trait EvalContextPrivExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// Returns the provenance that should be used henceforth. fn tb_reborrow( &mut self, - place: &MPlaceTy<'tcx, Provenance>, // parent tag extracted from here + place: &MPlaceTy<'tcx>, // parent tag extracted from here ptr_size: Size, new_perm: NewPermission, new_tag: BorTag, @@ -327,9 +327,9 @@ trait EvalContextPrivExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn tb_retag_place( &mut self, - place: &MPlaceTy<'tcx, Provenance>, + place: &MPlaceTy<'tcx>, new_perm: NewPermission, - ) -> InterpResult<'tcx, MPlaceTy<'tcx, Provenance>> { + ) -> InterpResult<'tcx, MPlaceTy<'tcx>> { let this = self.eval_context_mut(); // Determine the size of the reborrow. @@ -366,9 +366,9 @@ trait EvalContextPrivExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// Retags an individual pointer, returning the retagged version. fn tb_retag_reference( &mut self, - val: &ImmTy<'tcx, Provenance>, + val: &ImmTy<'tcx>, new_perm: NewPermission, - ) -> InterpResult<'tcx, ImmTy<'tcx, Provenance>> { + ) -> InterpResult<'tcx, ImmTy<'tcx>> { let this = self.eval_context_mut(); let place = this.ref_to_mplace(val)?; let new_place = this.tb_retag_place(&place, new_perm)?; @@ -383,8 +383,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn tb_retag_ptr_value( &mut self, kind: RetagKind, - val: &ImmTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, ImmTy<'tcx, Provenance>> { + val: &ImmTy<'tcx>, + ) -> InterpResult<'tcx, ImmTy<'tcx>> { let this = self.eval_context_mut(); let new_perm = match val.layout.ty.kind() { &ty::Ref(_, pointee, mutability) => @@ -402,7 +402,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn tb_retag_place_contents( &mut self, kind: RetagKind, - place: &PlaceTy<'tcx, Provenance>, + place: &PlaceTy<'tcx>, ) -> InterpResult<'tcx> { let this = self.eval_context_mut(); let options = this.machine.borrow_tracker.as_mut().unwrap().get_mut(); @@ -423,7 +423,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { #[inline(always)] // yes this helps in our benchmarks fn retag_ptr_inplace( &mut self, - place: &PlaceTy<'tcx, Provenance>, + place: &PlaceTy<'tcx>, new_perm: Option, ) -> InterpResult<'tcx> { if let Some(new_perm) = new_perm { @@ -435,7 +435,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } } impl<'ecx, 'tcx> ValueVisitor<'tcx, MiriMachine<'tcx>> for RetagVisitor<'ecx, 'tcx> { - type V = PlaceTy<'tcx, Provenance>; + type V = PlaceTy<'tcx>; #[inline(always)] fn ecx(&self) -> &MiriInterpCx<'tcx> { @@ -445,11 +445,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// Regardless of how `Unique` is handled, Boxes are always reborrowed. /// When `Unique` is also reborrowed, then it behaves exactly like `Box` /// except for the fact that `Box` has a non-zero-sized reborrow. - fn visit_box( - &mut self, - box_ty: Ty<'tcx>, - place: &PlaceTy<'tcx, Provenance>, - ) -> InterpResult<'tcx> { + fn visit_box(&mut self, box_ty: Ty<'tcx>, place: &PlaceTy<'tcx>) -> InterpResult<'tcx> { // Only boxes for the global allocator get any special treatment. if box_ty.is_box_global(*self.ecx.tcx) { let new_perm = NewPermission::from_unique_ty( @@ -463,7 +459,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { Ok(()) } - fn visit_value(&mut self, place: &PlaceTy<'tcx, Provenance>) -> InterpResult<'tcx> { + fn visit_value(&mut self, place: &PlaceTy<'tcx>) -> InterpResult<'tcx> { // If this place is smaller than a pointer, we know that it can't contain any // pointers we need to retag, so we can stop recursion early. // This optimization is crucial for ZSTs, because they can contain way more fields @@ -526,10 +522,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// call. /// /// This is used to ensure soundness of in-place function argument/return passing. - fn tb_protect_place( - &mut self, - place: &MPlaceTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, MPlaceTy<'tcx, Provenance>> { + fn tb_protect_place(&mut self, place: &MPlaceTy<'tcx>) -> InterpResult<'tcx, MPlaceTy<'tcx>> { let this = self.eval_context_mut(); // Retag it. With protection! That is the entire point. @@ -604,8 +597,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// and output can be used by `retag_ptr_inplace`. fn inner_ptr_of_unique<'tcx>( ecx: &MiriInterpCx<'tcx>, - place: &PlaceTy<'tcx, Provenance>, -) -> InterpResult<'tcx, PlaceTy<'tcx, Provenance>> { + place: &PlaceTy<'tcx>, +) -> InterpResult<'tcx, PlaceTy<'tcx>> { // Follows the same layout as `interpret/visitor.rs:walk_value` for `Box` in // `rustc_const_eval`, just with one fewer layer. // Here we have a `Unique(NonNull(*mut), PhantomData)` diff --git a/src/tools/miri/src/concurrency/data_race.rs b/src/tools/miri/src/concurrency/data_race.rs index 719c262290ef..caf74bc70e4a 100644 --- a/src/tools/miri/src/concurrency/data_race.rs +++ b/src/tools/miri/src/concurrency/data_race.rs @@ -606,9 +606,9 @@ pub trait EvalContextExt<'tcx>: MiriInterpCxExt<'tcx> { /// Perform an atomic read operation at the memory location. fn read_scalar_atomic( &self, - place: &MPlaceTy<'tcx, Provenance>, + place: &MPlaceTy<'tcx>, atomic: AtomicReadOrd, - ) -> InterpResult<'tcx, Scalar> { + ) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_ref(); this.atomic_access_check(place, AtomicAccessType::Load(atomic))?; // This will read from the last store in the modification order of this location. In case @@ -625,8 +625,8 @@ pub trait EvalContextExt<'tcx>: MiriInterpCxExt<'tcx> { /// Perform an atomic write operation at the memory location. fn write_scalar_atomic( &mut self, - val: Scalar, - dest: &MPlaceTy<'tcx, Provenance>, + val: Scalar, + dest: &MPlaceTy<'tcx>, atomic: AtomicWriteOrd, ) -> InterpResult<'tcx> { let this = self.eval_context_mut(); @@ -645,12 +645,12 @@ pub trait EvalContextExt<'tcx>: MiriInterpCxExt<'tcx> { /// Perform an atomic RMW operation on a memory location. fn atomic_rmw_op_immediate( &mut self, - place: &MPlaceTy<'tcx, Provenance>, - rhs: &ImmTy<'tcx, Provenance>, + place: &MPlaceTy<'tcx>, + rhs: &ImmTy<'tcx>, op: mir::BinOp, not: bool, atomic: AtomicRwOrd, - ) -> InterpResult<'tcx, ImmTy<'tcx, Provenance>> { + ) -> InterpResult<'tcx, ImmTy<'tcx>> { let this = self.eval_context_mut(); this.atomic_access_check(place, AtomicAccessType::Rmw)?; @@ -670,10 +670,10 @@ pub trait EvalContextExt<'tcx>: MiriInterpCxExt<'tcx> { /// scalar value, the old value is returned. fn atomic_exchange_scalar( &mut self, - place: &MPlaceTy<'tcx, Provenance>, - new: Scalar, + place: &MPlaceTy<'tcx>, + new: Scalar, atomic: AtomicRwOrd, - ) -> InterpResult<'tcx, Scalar> { + ) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); this.atomic_access_check(place, AtomicAccessType::Rmw)?; @@ -690,11 +690,11 @@ pub trait EvalContextExt<'tcx>: MiriInterpCxExt<'tcx> { /// scalar value, the old value is returned. fn atomic_min_max_scalar( &mut self, - place: &MPlaceTy<'tcx, Provenance>, - rhs: ImmTy<'tcx, Provenance>, + place: &MPlaceTy<'tcx>, + rhs: ImmTy<'tcx>, min: bool, atomic: AtomicRwOrd, - ) -> InterpResult<'tcx, ImmTy<'tcx, Provenance>> { + ) -> InterpResult<'tcx, ImmTy<'tcx>> { let this = self.eval_context_mut(); this.atomic_access_check(place, AtomicAccessType::Rmw)?; @@ -726,9 +726,9 @@ pub trait EvalContextExt<'tcx>: MiriInterpCxExt<'tcx> { /// identical. fn atomic_compare_exchange_scalar( &mut self, - place: &MPlaceTy<'tcx, Provenance>, - expect_old: &ImmTy<'tcx, Provenance>, - new: Scalar, + place: &MPlaceTy<'tcx>, + expect_old: &ImmTy<'tcx>, + new: Scalar, success: AtomicRwOrd, fail: AtomicReadOrd, can_fail_spuriously: bool, @@ -1163,7 +1163,7 @@ trait EvalContextPrivExt<'tcx>: MiriInterpCxExt<'tcx> { /// Checks that an atomic access is legal at the given place. fn atomic_access_check( &self, - place: &MPlaceTy<'tcx, Provenance>, + place: &MPlaceTy<'tcx>, access_type: AtomicAccessType, ) -> InterpResult<'tcx> { let this = self.eval_context_ref(); @@ -1219,7 +1219,7 @@ trait EvalContextPrivExt<'tcx>: MiriInterpCxExt<'tcx> { /// associated memory-place and on the current thread. fn validate_atomic_load( &self, - place: &MPlaceTy<'tcx, Provenance>, + place: &MPlaceTy<'tcx>, atomic: AtomicReadOrd, ) -> InterpResult<'tcx> { let this = self.eval_context_ref(); @@ -1241,7 +1241,7 @@ trait EvalContextPrivExt<'tcx>: MiriInterpCxExt<'tcx> { /// associated memory-place and on the current thread. fn validate_atomic_store( &mut self, - place: &MPlaceTy<'tcx, Provenance>, + place: &MPlaceTy<'tcx>, atomic: AtomicWriteOrd, ) -> InterpResult<'tcx> { let this = self.eval_context_mut(); @@ -1263,7 +1263,7 @@ trait EvalContextPrivExt<'tcx>: MiriInterpCxExt<'tcx> { /// at the associated memory place and on the current thread. fn validate_atomic_rmw( &mut self, - place: &MPlaceTy<'tcx, Provenance>, + place: &MPlaceTy<'tcx>, atomic: AtomicRwOrd, ) -> InterpResult<'tcx> { use AtomicRwOrd::*; @@ -1292,7 +1292,7 @@ trait EvalContextPrivExt<'tcx>: MiriInterpCxExt<'tcx> { /// Generic atomic operation implementation fn validate_atomic_op( &self, - place: &MPlaceTy<'tcx, Provenance>, + place: &MPlaceTy<'tcx>, atomic: A, access: AccessType, mut op: impl FnMut( diff --git a/src/tools/miri/src/concurrency/init_once.rs b/src/tools/miri/src/concurrency/init_once.rs index 7f8500159c14..9145ef32c525 100644 --- a/src/tools/miri/src/concurrency/init_once.rs +++ b/src/tools/miri/src/concurrency/init_once.rs @@ -51,7 +51,7 @@ impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn init_once_get_or_create_id( &mut self, - lock_op: &OpTy<'tcx, Provenance>, + lock_op: &OpTy<'tcx>, lock_layout: TyAndLayout<'tcx>, offset: u64, ) -> InterpResult<'tcx, InitOnceId> { diff --git a/src/tools/miri/src/concurrency/sync.rs b/src/tools/miri/src/concurrency/sync.rs index dfe4d0d4c2f9..030546b7cb51 100644 --- a/src/tools/miri/src/concurrency/sync.rs +++ b/src/tools/miri/src/concurrency/sync.rs @@ -55,7 +55,7 @@ macro_rules! declare_id { } impl $name { - pub fn to_u32_scalar(&self) -> Scalar { + pub fn to_u32_scalar(&self) -> Scalar { Scalar::from_u32(self.0.get()) } } @@ -168,7 +168,7 @@ pub(super) trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { fn get_or_create_id( &mut self, next_id: Id, - lock_op: &OpTy<'tcx, Provenance>, + lock_op: &OpTy<'tcx>, lock_layout: TyAndLayout<'tcx>, offset: u64, ) -> InterpResult<'tcx, Option> { @@ -262,8 +262,8 @@ pub(super) trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { fn condvar_reacquire_mutex( &mut self, mutex: MutexId, - retval: Scalar, - dest: MPlaceTy<'tcx, Provenance>, + retval: Scalar, + dest: MPlaceTy<'tcx>, ) -> InterpResult<'tcx> { let this = self.eval_context_mut(); if this.mutex_is_locked(mutex) { @@ -287,7 +287,7 @@ impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn mutex_get_or_create_id( &mut self, - lock_op: &OpTy<'tcx, Provenance>, + lock_op: &OpTy<'tcx>, lock_layout: TyAndLayout<'tcx>, offset: u64, ) -> InterpResult<'tcx, MutexId> { @@ -299,7 +299,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn rwlock_get_or_create_id( &mut self, - lock_op: &OpTy<'tcx, Provenance>, + lock_op: &OpTy<'tcx>, lock_layout: TyAndLayout<'tcx>, offset: u64, ) -> InterpResult<'tcx, RwLockId> { @@ -311,7 +311,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn condvar_get_or_create_id( &mut self, - lock_op: &OpTy<'tcx, Provenance>, + lock_op: &OpTy<'tcx>, lock_layout: TyAndLayout<'tcx>, offset: u64, ) -> InterpResult<'tcx, CondvarId> { @@ -393,12 +393,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// Put the thread into the queue waiting for the mutex. /// Once the Mutex becomes available, `retval` will be written to `dest`. #[inline] - fn mutex_enqueue_and_block( - &mut self, - id: MutexId, - retval: Scalar, - dest: MPlaceTy<'tcx, Provenance>, - ) { + fn mutex_enqueue_and_block(&mut self, id: MutexId, retval: Scalar, dest: MPlaceTy<'tcx>) { let this = self.eval_context_mut(); assert!(this.mutex_is_locked(id), "queing on unlocked mutex"); let thread = this.active_thread(); @@ -409,8 +404,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { callback!( @capture<'tcx> { id: MutexId, - retval: Scalar, - dest: MPlaceTy<'tcx, Provenance>, + retval: Scalar, + dest: MPlaceTy<'tcx>, } @unblock = |this| { assert!(!this.mutex_is_locked(id)); @@ -506,8 +501,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn rwlock_enqueue_and_block_reader( &mut self, id: RwLockId, - retval: Scalar, - dest: MPlaceTy<'tcx, Provenance>, + retval: Scalar, + dest: MPlaceTy<'tcx>, ) { let this = self.eval_context_mut(); let thread = this.active_thread(); @@ -519,8 +514,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { callback!( @capture<'tcx> { id: RwLockId, - retval: Scalar, - dest: MPlaceTy<'tcx, Provenance>, + retval: Scalar, + dest: MPlaceTy<'tcx>, } @unblock = |this| { this.rwlock_reader_lock(id); @@ -589,8 +584,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn rwlock_enqueue_and_block_writer( &mut self, id: RwLockId, - retval: Scalar, - dest: MPlaceTy<'tcx, Provenance>, + retval: Scalar, + dest: MPlaceTy<'tcx>, ) { let this = self.eval_context_mut(); assert!(this.rwlock_is_locked(id), "write-queueing on unlocked rwlock"); @@ -602,8 +597,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { callback!( @capture<'tcx> { id: RwLockId, - retval: Scalar, - dest: MPlaceTy<'tcx, Provenance>, + retval: Scalar, + dest: MPlaceTy<'tcx>, } @unblock = |this| { this.rwlock_writer_lock(id); @@ -629,9 +624,9 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { condvar: CondvarId, mutex: MutexId, timeout: Option, - retval_succ: Scalar, - retval_timeout: Scalar, - dest: MPlaceTy<'tcx, Provenance>, + retval_succ: Scalar, + retval_timeout: Scalar, + dest: MPlaceTy<'tcx>, ) -> InterpResult<'tcx> { let this = self.eval_context_mut(); if let Some(old_locked_count) = this.mutex_unlock(mutex)? { @@ -655,9 +650,9 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { @capture<'tcx> { condvar: CondvarId, mutex: MutexId, - retval_succ: Scalar, - retval_timeout: Scalar, - dest: MPlaceTy<'tcx, Provenance>, + retval_succ: Scalar, + retval_timeout: Scalar, + dest: MPlaceTy<'tcx>, } @unblock = |this| { // The condvar was signaled. Make sure we get the clock for that. @@ -710,10 +705,10 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { addr: u64, bitset: u32, timeout: Option, - retval_succ: Scalar, - retval_timeout: Scalar, - dest: MPlaceTy<'tcx, Provenance>, - errno_timeout: Scalar, + retval_succ: Scalar, + retval_timeout: Scalar, + dest: MPlaceTy<'tcx>, + errno_timeout: Scalar, ) { let this = self.eval_context_mut(); let thread = this.active_thread(); @@ -727,10 +722,10 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { callback!( @capture<'tcx> { addr: u64, - retval_succ: Scalar, - retval_timeout: Scalar, - dest: MPlaceTy<'tcx, Provenance>, - errno_timeout: Scalar, + retval_succ: Scalar, + retval_timeout: Scalar, + dest: MPlaceTy<'tcx>, + errno_timeout: Scalar, } @unblock = |this| { let futex = this.machine.sync.futexes.get(&addr).unwrap(); diff --git a/src/tools/miri/src/concurrency/thread.rs b/src/tools/miri/src/concurrency/thread.rs index 8e8e1182bfff..16fb69f3c5f2 100644 --- a/src/tools/miri/src/concurrency/thread.rs +++ b/src/tools/miri/src/concurrency/thread.rs @@ -256,10 +256,10 @@ pub struct Thread<'tcx> { /// which then forwards it to 'Resume'. However this argument is implicit in MIR, /// so we have to store it out-of-band. When there are multiple active unwinds, /// the innermost one is always caught first, so we can store them as a stack. - pub(crate) panic_payloads: Vec>, + pub(crate) panic_payloads: Vec, /// Last OS error location in memory. It is a 32-bit integer. - pub(crate) last_error: Option>, + pub(crate) last_error: Option>, } pub type StackEmptyCallback<'tcx> = @@ -877,10 +877,10 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { #[inline] fn start_regular_thread( &mut self, - thread: Option>, + thread: Option>, start_routine: Pointer>, start_abi: Abi, - func_arg: ImmTy<'tcx, Provenance>, + func_arg: ImmTy<'tcx>, ret_layout: TyAndLayout<'tcx>, ) -> InterpResult<'tcx, ThreadId> { let this = self.eval_context_mut(); diff --git a/src/tools/miri/src/concurrency/weak_memory.rs b/src/tools/miri/src/concurrency/weak_memory.rs index 7a49f6d34707..e92eaa8f91f7 100644 --- a/src/tools/miri/src/concurrency/weak_memory.rs +++ b/src/tools/miri/src/concurrency/weak_memory.rs @@ -148,7 +148,7 @@ struct StoreElement { // FIXME: this means the store must be fully initialized; // we will have to change this if we want to support atomics on // (partially) uninitialized data. - val: Scalar, + val: Scalar, /// Metadata about loads from this store element, /// behind a RefCell to keep load op take &self @@ -197,7 +197,7 @@ impl StoreBufferAlloc { fn get_or_create_store_buffer<'tcx>( &self, range: AllocRange, - init: Scalar, + init: Scalar, ) -> InterpResult<'tcx, Ref<'_, StoreBuffer>> { let access_type = self.store_buffers.borrow().access_type(range); let pos = match access_type { @@ -222,7 +222,7 @@ impl StoreBufferAlloc { fn get_or_create_store_buffer_mut<'tcx>( &mut self, range: AllocRange, - init: Scalar, + init: Scalar, ) -> InterpResult<'tcx, &mut StoreBuffer> { let buffers = self.store_buffers.get_mut(); let access_type = buffers.access_type(range); @@ -244,7 +244,7 @@ impl StoreBufferAlloc { } impl<'tcx> StoreBuffer { - fn new(init: Scalar) -> Self { + fn new(init: Scalar) -> Self { let mut buffer = VecDeque::new(); buffer.reserve(STORE_BUFFER_LIMIT); let mut ret = Self { buffer }; @@ -282,7 +282,7 @@ impl<'tcx> StoreBuffer { is_seqcst: bool, rng: &mut (impl rand::Rng + ?Sized), validate: impl FnOnce() -> InterpResult<'tcx>, - ) -> InterpResult<'tcx, (Scalar, LoadRecency)> { + ) -> InterpResult<'tcx, (Scalar, LoadRecency)> { // Having a live borrow to store_buffer while calling validate_atomic_load is fine // because the race detector doesn't touch store_buffer @@ -307,7 +307,7 @@ impl<'tcx> StoreBuffer { fn buffered_write( &mut self, - val: Scalar, + val: Scalar, global: &DataRaceState, thread_mgr: &ThreadManager<'_>, is_seqcst: bool, @@ -408,7 +408,7 @@ impl<'tcx> StoreBuffer { /// ATOMIC STORE IMPL in the paper (except we don't need the location's vector clock) fn store_impl( &mut self, - val: Scalar, + val: Scalar, index: VectorIdx, thread_clock: &VClock, is_seqcst: bool, @@ -450,12 +450,7 @@ impl StoreElement { /// buffer regardless of subsequent loads by the same thread; if the earliest load of another /// thread doesn't happen before the current one, then no subsequent load by the other thread /// can happen before the current one. - fn load_impl( - &self, - index: VectorIdx, - clocks: &ThreadClockSet, - is_seqcst: bool, - ) -> Scalar { + fn load_impl(&self, index: VectorIdx, clocks: &ThreadClockSet, is_seqcst: bool) -> Scalar { let mut load_info = self.load_info.borrow_mut(); load_info.sc_loaded |= is_seqcst; let _ = load_info.timestamps.try_insert(index, clocks.clock[index]); @@ -467,10 +462,10 @@ impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} pub(super) trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn buffered_atomic_rmw( &mut self, - new_val: Scalar, - place: &MPlaceTy<'tcx, Provenance>, + new_val: Scalar, + place: &MPlaceTy<'tcx>, atomic: AtomicRwOrd, - init: Scalar, + init: Scalar, ) -> InterpResult<'tcx> { let this = self.eval_context_mut(); let (alloc_id, base_offset, ..) = this.ptr_get_alloc_id(place.ptr())?; @@ -493,11 +488,11 @@ pub(super) trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn buffered_atomic_read( &self, - place: &MPlaceTy<'tcx, Provenance>, + place: &MPlaceTy<'tcx>, atomic: AtomicReadOrd, - latest_in_mo: Scalar, + latest_in_mo: Scalar, validate: impl FnOnce() -> InterpResult<'tcx>, - ) -> InterpResult<'tcx, Scalar> { + ) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_ref(); if let Some(global) = &this.machine.data_race { let (alloc_id, base_offset, ..) = this.ptr_get_alloc_id(place.ptr())?; @@ -534,10 +529,10 @@ pub(super) trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn buffered_atomic_write( &mut self, - val: Scalar, - dest: &MPlaceTy<'tcx, Provenance>, + val: Scalar, + dest: &MPlaceTy<'tcx>, atomic: AtomicWriteOrd, - init: Scalar, + init: Scalar, ) -> InterpResult<'tcx> { let this = self.eval_context_mut(); let (alloc_id, base_offset, ..) = this.ptr_get_alloc_id(dest.ptr())?; @@ -579,9 +574,9 @@ pub(super) trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// to perform load_impl on the latest store element fn perform_read_on_buffered_latest( &self, - place: &MPlaceTy<'tcx, Provenance>, + place: &MPlaceTy<'tcx>, atomic: AtomicReadOrd, - init: Scalar, + init: Scalar, ) -> InterpResult<'tcx> { let this = self.eval_context_ref(); diff --git a/src/tools/miri/src/helpers.rs b/src/tools/miri/src/helpers.rs index 5c3b8f2d2a05..6d860f6661a3 100644 --- a/src/tools/miri/src/helpers.rs +++ b/src/tools/miri/src/helpers.rs @@ -255,7 +255,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } /// Evaluates the scalar at the specified path. - fn eval_path(&self, path: &[&str]) -> OpTy<'tcx, Provenance> { + fn eval_path(&self, path: &[&str]) -> OpTy<'tcx> { let this = self.eval_context_ref(); let instance = this.resolve_path(path, Namespace::ValueNS); // We don't give a span -- this isn't actually used directly by the program anyway. @@ -264,7 +264,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { }); const_val.into() } - fn eval_path_scalar(&self, path: &[&str]) -> Scalar { + fn eval_path_scalar(&self, path: &[&str]) -> Scalar { let this = self.eval_context_ref(); let val = this.eval_path(path); this.read_scalar(&val) @@ -272,7 +272,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } /// Helper function to get a `libc` constant as a `Scalar`. - fn eval_libc(&self, name: &str) -> Scalar { + fn eval_libc(&self, name: &str) -> Scalar { self.eval_path_scalar(&["libc", name]) } @@ -293,7 +293,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } /// Helper function to get a `windows` constant as a `Scalar`. - fn eval_windows(&self, module: &str, name: &str) -> Scalar { + fn eval_windows(&self, module: &str, name: &str) -> Scalar { self.eval_context_ref().eval_path_scalar(&["std", "sys", "pal", "windows", module, name]) } @@ -453,7 +453,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { f: ty::Instance<'tcx>, caller_abi: Abi, args: &[Immediate], - dest: Option<&MPlaceTy<'tcx, Provenance>>, + dest: Option<&MPlaceTy<'tcx>>, stack_pop: StackPopCleanup, ) -> InterpResult<'tcx> { let this = self.eval_context_mut(); @@ -501,7 +501,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// The range is relative to `place`. fn visit_freeze_sensitive( &self, - place: &MPlaceTy<'tcx, Provenance>, + place: &MPlaceTy<'tcx>, size: Size, mut action: impl FnMut(AllocRange, bool) -> InterpResult<'tcx>, ) -> InterpResult<'tcx> { @@ -575,7 +575,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// whether we are inside an `UnsafeCell` or not. struct UnsafeCellVisitor<'ecx, 'tcx, F> where - F: FnMut(&MPlaceTy<'tcx, Provenance>) -> InterpResult<'tcx>, + F: FnMut(&MPlaceTy<'tcx>) -> InterpResult<'tcx>, { ecx: &'ecx MiriInterpCx<'tcx>, unsafe_cell_action: F, @@ -583,9 +583,9 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { impl<'ecx, 'tcx, F> ValueVisitor<'tcx, MiriMachine<'tcx>> for UnsafeCellVisitor<'ecx, 'tcx, F> where - F: FnMut(&MPlaceTy<'tcx, Provenance>) -> InterpResult<'tcx>, + F: FnMut(&MPlaceTy<'tcx>) -> InterpResult<'tcx>, { - type V = MPlaceTy<'tcx, Provenance>; + type V = MPlaceTy<'tcx>; #[inline(always)] fn ecx(&self) -> &MiriInterpCx<'tcx> { @@ -603,7 +603,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } // Hook to detect `UnsafeCell`. - fn visit_value(&mut self, v: &MPlaceTy<'tcx, Provenance>) -> InterpResult<'tcx> { + fn visit_value(&mut self, v: &MPlaceTy<'tcx>) -> InterpResult<'tcx> { trace!("UnsafeCellVisitor: {:?} {:?}", *v, v.layout.ty); let is_unsafe_cell = match v.layout.ty.kind() { ty::Adt(adt, _) => @@ -649,7 +649,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn visit_union( &mut self, - _v: &MPlaceTy<'tcx, Provenance>, + _v: &MPlaceTy<'tcx>, _fields: NonZero, ) -> InterpResult<'tcx> { bug!("we should have already handled unions in `visit_value`") @@ -720,7 +720,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// Get last error variable as a place, lazily allocating thread-local storage for it if /// necessary. - fn last_error_place(&mut self) -> InterpResult<'tcx, MPlaceTy<'tcx, Provenance>> { + fn last_error_place(&mut self) -> InterpResult<'tcx, MPlaceTy<'tcx>> { let this = self.eval_context_mut(); if let Some(errno_place) = this.active_thread_ref().last_error.as_ref() { Ok(errno_place.clone()) @@ -735,14 +735,14 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } /// Sets the last error variable. - fn set_last_error(&mut self, scalar: Scalar) -> InterpResult<'tcx> { + fn set_last_error(&mut self, scalar: Scalar) -> InterpResult<'tcx> { let this = self.eval_context_mut(); let errno_place = this.last_error_place()?; this.write_scalar(scalar, &errno_place) } /// Gets the last error variable. - fn get_last_error(&mut self) -> InterpResult<'tcx, Scalar> { + fn get_last_error(&mut self) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); let errno_place = this.last_error_place()?; this.read_scalar(&errno_place) @@ -750,7 +750,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// This function tries to produce the most similar OS error from the `std::io::ErrorKind` /// as a platform-specific errnum. - fn io_error_to_errnum(&self, err: std::io::Error) -> InterpResult<'tcx, Scalar> { + fn io_error_to_errnum(&self, err: std::io::Error) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_ref(); let target = &this.tcx.sess.target; if target.families.iter().any(|f| f == "unix") { @@ -779,7 +779,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { #[allow(clippy::needless_return)] fn try_errnum_to_io_error( &self, - errnum: Scalar, + errnum: Scalar, ) -> InterpResult<'tcx, Option> { let this = self.eval_context_ref(); let target = &this.tcx.sess.target; @@ -836,7 +836,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &self, op: &impl Readable<'tcx, Provenance>, layout: TyAndLayout<'tcx>, - ) -> InterpResult<'tcx, MPlaceTy<'tcx, Provenance>> { + ) -> InterpResult<'tcx, MPlaceTy<'tcx>> { let this = self.eval_context_ref(); let ptr = this.read_pointer(op)?; Ok(this.ptr_to_mplace(ptr, layout)) @@ -849,7 +849,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { offset: u64, base_layout: TyAndLayout<'tcx>, value_layout: TyAndLayout<'tcx>, - ) -> InterpResult<'tcx, MPlaceTy<'tcx, Provenance>> { + ) -> InterpResult<'tcx, MPlaceTy<'tcx>> { let this = self.eval_context_ref(); let op_place = this.deref_pointer_as(op, base_layout)?; let offset = Size::from_bytes(offset); @@ -866,7 +866,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { offset: u64, base_layout: TyAndLayout<'tcx>, value_layout: TyAndLayout<'tcx>, - ) -> InterpResult<'tcx, Scalar> { + ) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_ref(); let value_place = this.deref_pointer_and_offset(op, offset, base_layout, value_layout)?; this.read_scalar(&value_place) @@ -876,7 +876,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, op: &impl Readable<'tcx, Provenance>, offset: u64, - value: impl Into>, + value: impl Into, base_layout: TyAndLayout<'tcx>, value_layout: TyAndLayout<'tcx>, ) -> InterpResult<'tcx, ()> { @@ -888,10 +888,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// Parse a `timespec` struct and return it as a `std::time::Duration`. It returns `None` /// if the value in the `timespec` struct is invalid. Some libc functions will return /// `EINVAL` in this case. - fn read_timespec( - &mut self, - tp: &MPlaceTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, Option> { + fn read_timespec(&mut self, tp: &MPlaceTy<'tcx>) -> InterpResult<'tcx, Option> { let this = self.eval_context_mut(); let seconds_place = this.project_field(tp, 0)?; let seconds_scalar = this.read_scalar(&seconds_place)?; @@ -914,10 +911,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } /// Read bytes from a byte slice. - fn read_byte_slice<'a>( - &'a self, - slice: &ImmTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, &'a [u8]> + fn read_byte_slice<'a>(&'a self, slice: &ImmTy<'tcx>) -> InterpResult<'tcx, &'a [u8]> where 'tcx: 'a, { @@ -1138,17 +1132,17 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { abi: Abi, exp_abi: Abi, link_name: Symbol, - args: &'a [OpTy<'tcx, Provenance>], - ) -> InterpResult<'tcx, &'a [OpTy<'tcx, Provenance>; N]> + args: &'a [OpTy<'tcx>], + ) -> InterpResult<'tcx, &'a [OpTy<'tcx>; N]> where - &'a [OpTy<'tcx, Provenance>; N]: TryFrom<&'a [OpTy<'tcx, Provenance>]>, + &'a [OpTy<'tcx>; N]: TryFrom<&'a [OpTy<'tcx>]>, { self.check_abi_and_shim_symbol_clash(abi, exp_abi, link_name)?; check_arg_count(args) } /// Mark a machine allocation that was just created as immutable. - fn mark_immutable(&mut self, mplace: &MPlaceTy<'tcx, Provenance>) { + fn mark_immutable(&mut self, mplace: &MPlaceTy<'tcx>) { let this = self.eval_context_mut(); // This got just allocated, so there definitely is a pointer here. let provenance = mplace.ptr().into_pointer_or_addr().unwrap().provenance; @@ -1168,10 +1162,10 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// Returns `None` if `f` is NaN or out of range. fn float_to_int_checked( &self, - src: &ImmTy<'tcx, Provenance>, + src: &ImmTy<'tcx>, cast_to: TyAndLayout<'tcx>, round: rustc_apfloat::Round, - ) -> InterpResult<'tcx, Option>> { + ) -> InterpResult<'tcx, Option>> { let this = self.eval_context_ref(); fn float_to_int_inner<'tcx, F: rustc_apfloat::Float>( @@ -1179,7 +1173,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { src: F, cast_to: TyAndLayout<'tcx>, round: rustc_apfloat::Round, - ) -> (Scalar, rustc_apfloat::Status) { + ) -> (Scalar, rustc_apfloat::Status) { let int_size = cast_to.layout.size; match cast_to.ty.kind() { // Unsigned @@ -1267,10 +1261,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } /// Lookup an array of immediates stored as a linker section of name `name`. - fn lookup_link_section( - &mut self, - name: &str, - ) -> InterpResult<'tcx, Vec>> { + fn lookup_link_section(&mut self, name: &str) -> InterpResult<'tcx, Vec>> { let this = self.eval_context_mut(); let tcx = this.tcx.tcx; @@ -1338,10 +1329,10 @@ impl<'tcx> MiriMachine<'tcx> { /// Check that the number of args is what we expect. pub fn check_arg_count<'a, 'tcx, const N: usize>( - args: &'a [OpTy<'tcx, Provenance>], -) -> InterpResult<'tcx, &'a [OpTy<'tcx, Provenance>; N]> + args: &'a [OpTy<'tcx>], +) -> InterpResult<'tcx, &'a [OpTy<'tcx>; N]> where - &'a [OpTy<'tcx, Provenance>; N]: TryFrom<&'a [OpTy<'tcx, Provenance>]>, + &'a [OpTy<'tcx>; N]: TryFrom<&'a [OpTy<'tcx>]>, { if let Ok(ops) = args.try_into() { return Ok(ops); @@ -1374,7 +1365,7 @@ pub fn get_local_crates(tcx: TyCtxt<'_>) -> Vec { local_crates } -pub(crate) fn bool_to_simd_element(b: bool, size: Size) -> Scalar { +pub(crate) fn bool_to_simd_element(b: bool, size: Size) -> Scalar { // SIMD uses all-1 as pattern for "true". In two's complement, // -1 has all its bits set to one and `from_int` will truncate or // sign-extend it to `size` as required. @@ -1382,7 +1373,7 @@ pub(crate) fn bool_to_simd_element(b: bool, size: Size) -> Scalar { Scalar::from_int(val, size) } -pub(crate) fn simd_element_to_bool(elem: ImmTy<'_, Provenance>) -> InterpResult<'_, bool> { +pub(crate) fn simd_element_to_bool(elem: ImmTy<'_>) -> InterpResult<'_, bool> { let val = elem.to_scalar().to_int(elem.layout.size)?; Ok(match val { 0 => false, diff --git a/src/tools/miri/src/intrinsics/atomic.rs b/src/tools/miri/src/intrinsics/atomic.rs index 17f95df9aa15..d76f622e84ba 100644 --- a/src/tools/miri/src/intrinsics/atomic.rs +++ b/src/tools/miri/src/intrinsics/atomic.rs @@ -18,8 +18,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn emulate_atomic_intrinsic( &mut self, intrinsic_name: &str, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, EmulateItemResult> { let this = self.eval_context_mut(); @@ -124,8 +124,8 @@ impl<'tcx> EvalContextPrivExt<'tcx> for MiriInterpCx<'tcx> {} trait EvalContextPrivExt<'tcx>: MiriInterpCxExt<'tcx> { fn atomic_load( &mut self, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, atomic: AtomicReadOrd, ) -> InterpResult<'tcx> { let this = self.eval_context_mut(); @@ -140,11 +140,7 @@ trait EvalContextPrivExt<'tcx>: MiriInterpCxExt<'tcx> { Ok(()) } - fn atomic_store( - &mut self, - args: &[OpTy<'tcx, Provenance>], - atomic: AtomicWriteOrd, - ) -> InterpResult<'tcx> { + fn atomic_store(&mut self, args: &[OpTy<'tcx>], atomic: AtomicWriteOrd) -> InterpResult<'tcx> { let this = self.eval_context_mut(); let [place, val] = check_arg_count(args)?; @@ -159,7 +155,7 @@ trait EvalContextPrivExt<'tcx>: MiriInterpCxExt<'tcx> { fn compiler_fence_intrinsic( &mut self, - args: &[OpTy<'tcx, Provenance>], + args: &[OpTy<'tcx>], atomic: AtomicFenceOrd, ) -> InterpResult<'tcx> { let [] = check_arg_count(args)?; @@ -170,7 +166,7 @@ trait EvalContextPrivExt<'tcx>: MiriInterpCxExt<'tcx> { fn atomic_fence_intrinsic( &mut self, - args: &[OpTy<'tcx, Provenance>], + args: &[OpTy<'tcx>], atomic: AtomicFenceOrd, ) -> InterpResult<'tcx> { let this = self.eval_context_mut(); @@ -181,8 +177,8 @@ trait EvalContextPrivExt<'tcx>: MiriInterpCxExt<'tcx> { fn atomic_rmw_op( &mut self, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, atomic_op: AtomicOp, atomic: AtomicRwOrd, ) -> InterpResult<'tcx> { @@ -223,8 +219,8 @@ trait EvalContextPrivExt<'tcx>: MiriInterpCxExt<'tcx> { fn atomic_exchange( &mut self, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, atomic: AtomicRwOrd, ) -> InterpResult<'tcx> { let this = self.eval_context_mut(); @@ -240,8 +236,8 @@ trait EvalContextPrivExt<'tcx>: MiriInterpCxExt<'tcx> { fn atomic_compare_exchange_impl( &mut self, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, success: AtomicRwOrd, fail: AtomicReadOrd, can_fail_spuriously: bool, @@ -269,8 +265,8 @@ trait EvalContextPrivExt<'tcx>: MiriInterpCxExt<'tcx> { fn atomic_compare_exchange( &mut self, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, success: AtomicRwOrd, fail: AtomicReadOrd, ) -> InterpResult<'tcx> { @@ -279,8 +275,8 @@ trait EvalContextPrivExt<'tcx>: MiriInterpCxExt<'tcx> { fn atomic_compare_exchange_weak( &mut self, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, success: AtomicRwOrd, fail: AtomicReadOrd, ) -> InterpResult<'tcx> { diff --git a/src/tools/miri/src/intrinsics/mod.rs b/src/tools/miri/src/intrinsics/mod.rs index e39b78d3816f..9f7e2baaaf97 100644 --- a/src/tools/miri/src/intrinsics/mod.rs +++ b/src/tools/miri/src/intrinsics/mod.rs @@ -23,8 +23,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn call_intrinsic( &mut self, instance: ty::Instance<'tcx>, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, ret: Option, unwind: mir::UnwindAction, ) -> InterpResult<'tcx, Option>> { @@ -79,8 +79,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, intrinsic_name: &str, generic_args: ty::GenericArgsRef<'tcx>, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, ret: Option, ) -> InterpResult<'tcx, EmulateItemResult> { let this = self.eval_context_mut(); @@ -385,7 +385,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { "frem_fast" => mir::BinOp::Rem, _ => bug!(), }; - let float_finite = |x: &ImmTy<'tcx, _>| -> InterpResult<'tcx, bool> { + let float_finite = |x: &ImmTy<'tcx>| -> InterpResult<'tcx, bool> { let ty::Float(fty) = x.layout.ty.kind() else { bug!("float_finite: non-float input type {}", x.layout.ty) }; diff --git a/src/tools/miri/src/intrinsics/simd.rs b/src/tools/miri/src/intrinsics/simd.rs index ed0c30e2a11a..6d0682cd1108 100644 --- a/src/tools/miri/src/intrinsics/simd.rs +++ b/src/tools/miri/src/intrinsics/simd.rs @@ -23,8 +23,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, intrinsic_name: &str, generic_args: ty::GenericArgsRef<'tcx>, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, EmulateItemResult> { let this = self.eval_context_mut(); match intrinsic_name { @@ -760,9 +760,9 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn fminmax_op( &self, op: MinMax, - left: &ImmTy<'tcx, Provenance>, - right: &ImmTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, Scalar> { + left: &ImmTy<'tcx>, + right: &ImmTy<'tcx>, + ) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_ref(); assert_eq!(left.layout.ty, right.layout.ty); let ty::Float(float_ty) = left.layout.ty.kind() else { diff --git a/src/tools/miri/src/lib.rs b/src/tools/miri/src/lib.rs index fa7c46f2a015..0e79fef564ee 100644 --- a/src/tools/miri/src/lib.rs +++ b/src/tools/miri/src/lib.rs @@ -97,7 +97,14 @@ use tracing::{info, trace}; pub use rustc_const_eval::interpret::*; // Resolve ambiguity. #[doc(no_inline)] -pub use rustc_const_eval::interpret::{self, AllocMap, PlaceTy, Provenance as _}; +pub use rustc_const_eval::interpret::{self, AllocMap, Provenance as _}; + +// Type aliases that set the provenance parameter. +pub type Scalar = interpret::Scalar; +pub type ImmTy<'tcx> = interpret::ImmTy<'tcx, machine::Provenance>; +pub type OpTy<'tcx> = interpret::OpTy<'tcx, machine::Provenance>; +pub type PlaceTy<'tcx> = interpret::PlaceTy<'tcx, machine::Provenance>; +pub type MPlaceTy<'tcx> = interpret::MPlaceTy<'tcx, machine::Provenance>; pub use crate::intrinsics::EvalContextExt as _; pub use crate::shims::env::{EnvVars, EvalContextExt as _}; diff --git a/src/tools/miri/src/machine.rs b/src/tools/miri/src/machine.rs index fc1a655c1232..1dc11054935f 100644 --- a/src/tools/miri/src/machine.rs +++ b/src/tools/miri/src/machine.rs @@ -246,7 +246,7 @@ static_assert_size!(Pointer, 24); // #[cfg(target_pointer_width = "64")] //static_assert_size!(Pointer>, 24); #[cfg(target_pointer_width = "64")] -static_assert_size!(Scalar, 32); +static_assert_size!(Scalar, 32); impl fmt::Debug for Provenance { fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { @@ -442,7 +442,7 @@ pub struct MiriMachine<'tcx> { pub(crate) env_vars: EnvVars<'tcx>, /// Return place of the main function. - pub(crate) main_fn_ret_place: Option>, + pub(crate) main_fn_ret_place: Option>, /// Program arguments (`Option` because we can only initialize them after creating the ecx). /// These are *pointers* to argc/argv because macOS. @@ -565,7 +565,7 @@ pub struct MiriMachine<'tcx> { /// Maps MIR consts to their evaluated result. We combine the const with a "salt" (`usize`) /// that is fixed per stack frame; this lets us have sometimes different results for the /// same const while ensuring consistent results within a single call. - const_cache: RefCell, usize), OpTy<'tcx, Provenance>>>, + const_cache: RefCell, usize), OpTy<'tcx>>>, /// For each allocation, an offset inside that allocation that was deemed aligned even for /// symbolic alignment checks. This cannot be stored in `AllocExtra` since it needs to be @@ -946,7 +946,7 @@ impl<'tcx> Machine<'tcx> for MiriMachine<'tcx> { instance: ty::Instance<'tcx>, abi: Abi, args: &[FnArg<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + dest: &MPlaceTy<'tcx>, ret: Option, unwind: mir::UnwindAction, ) -> InterpResult<'tcx, Option<(&'tcx mir::Body<'tcx>, ty::Instance<'tcx>)>> { @@ -973,7 +973,7 @@ impl<'tcx> Machine<'tcx> for MiriMachine<'tcx> { fn_val: DynSym, abi: Abi, args: &[FnArg<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + dest: &MPlaceTy<'tcx>, ret: Option, unwind: mir::UnwindAction, ) -> InterpResult<'tcx> { @@ -985,8 +985,8 @@ impl<'tcx> Machine<'tcx> for MiriMachine<'tcx> { fn call_intrinsic( ecx: &mut MiriInterpCx<'tcx>, instance: ty::Instance<'tcx>, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, ret: Option, unwind: mir::UnwindAction, ) -> InterpResult<'tcx, Option>> { @@ -1027,9 +1027,9 @@ impl<'tcx> Machine<'tcx> for MiriMachine<'tcx> { fn binary_ptr_op( ecx: &MiriInterpCx<'tcx>, bin_op: mir::BinOp, - left: &ImmTy<'tcx, Provenance>, - right: &ImmTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, ImmTy<'tcx, Provenance>> { + left: &ImmTy<'tcx>, + right: &ImmTy<'tcx>, + ) -> InterpResult<'tcx, ImmTy<'tcx>> { ecx.binary_ptr_op(bin_op, left, right) } @@ -1314,8 +1314,8 @@ impl<'tcx> Machine<'tcx> for MiriMachine<'tcx> { fn retag_ptr_value( ecx: &mut InterpCx<'tcx, Self>, kind: mir::RetagKind, - val: &ImmTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, ImmTy<'tcx, Provenance>> { + val: &ImmTy<'tcx>, + ) -> InterpResult<'tcx, ImmTy<'tcx>> { if ecx.machine.borrow_tracker.is_some() { ecx.retag_ptr_value(kind, val) } else { @@ -1327,7 +1327,7 @@ impl<'tcx> Machine<'tcx> for MiriMachine<'tcx> { fn retag_place_contents( ecx: &mut InterpCx<'tcx, Self>, kind: mir::RetagKind, - place: &PlaceTy<'tcx, Provenance>, + place: &PlaceTy<'tcx>, ) -> InterpResult<'tcx> { if ecx.machine.borrow_tracker.is_some() { ecx.retag_place_contents(kind, place)?; @@ -1337,7 +1337,7 @@ impl<'tcx> Machine<'tcx> for MiriMachine<'tcx> { fn protect_in_place_function_argument( ecx: &mut InterpCx<'tcx, Self>, - place: &MPlaceTy<'tcx, Provenance>, + place: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx> { // If we have a borrow tracker, we also have it set up protection so that all reads *and // writes* during this call are insta-UB. @@ -1492,7 +1492,7 @@ impl<'tcx> Machine<'tcx> for MiriMachine<'tcx> { fn after_local_allocated( ecx: &mut InterpCx<'tcx, Self>, local: mir::Local, - mplace: &MPlaceTy<'tcx, Provenance>, + mplace: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx> { let Some(Provenance::Concrete { alloc_id, .. }) = mplace.ptr().provenance else { panic!("after_local_allocated should only be called on fresh allocations"); @@ -1509,14 +1509,14 @@ impl<'tcx> Machine<'tcx> for MiriMachine<'tcx> { span: Span, layout: Option>, eval: F, - ) -> InterpResult<'tcx, OpTy<'tcx, Self::Provenance>> + ) -> InterpResult<'tcx, OpTy<'tcx>> where F: Fn( &InterpCx<'tcx, Self>, mir::Const<'tcx>, Span, Option>, - ) -> InterpResult<'tcx, OpTy<'tcx, Self::Provenance>>, + ) -> InterpResult<'tcx, OpTy<'tcx>>, { let frame = ecx.active_thread_stack().last().unwrap(); let mut cache = ecx.machine.const_cache.borrow_mut(); diff --git a/src/tools/miri/src/operator.rs b/src/tools/miri/src/operator.rs index c04f12c339e0..bc44e672bd85 100644 --- a/src/tools/miri/src/operator.rs +++ b/src/tools/miri/src/operator.rs @@ -12,9 +12,9 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn binary_ptr_op( &self, bin_op: mir::BinOp, - left: &ImmTy<'tcx, Provenance>, - right: &ImmTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, ImmTy<'tcx, Provenance>> { + left: &ImmTy<'tcx>, + right: &ImmTy<'tcx>, + ) -> InterpResult<'tcx, ImmTy<'tcx>> { use rustc_middle::mir::BinOp::*; let this = self.eval_context_ref(); diff --git a/src/tools/miri/src/provenance_gc.rs b/src/tools/miri/src/provenance_gc.rs index 03b6cfdce7bc..67190d3849bf 100644 --- a/src/tools/miri/src/provenance_gc.rs +++ b/src/tools/miri/src/provenance_gc.rs @@ -70,7 +70,7 @@ impl VisitProvenance for Pointer> { } } -impl VisitProvenance for Scalar { +impl VisitProvenance for Scalar { fn visit_provenance(&self, visit: &mut VisitWith<'_>) { match self { Scalar::Ptr(ptr, _) => ptr.visit_provenance(visit), @@ -103,20 +103,20 @@ impl VisitProvenance for MemPlaceMeta { } } -impl VisitProvenance for ImmTy<'_, Provenance> { +impl VisitProvenance for ImmTy<'_> { fn visit_provenance(&self, visit: &mut VisitWith<'_>) { (**self).visit_provenance(visit) } } -impl VisitProvenance for MPlaceTy<'_, Provenance> { +impl VisitProvenance for MPlaceTy<'_> { fn visit_provenance(&self, visit: &mut VisitWith<'_>) { self.ptr().visit_provenance(visit); self.meta().visit_provenance(visit); } } -impl VisitProvenance for PlaceTy<'_, Provenance> { +impl VisitProvenance for PlaceTy<'_> { fn visit_provenance(&self, visit: &mut VisitWith<'_>) { match self.as_mplace_or_local() { Either::Left(mplace) => mplace.visit_provenance(visit), @@ -125,7 +125,7 @@ impl VisitProvenance for PlaceTy<'_, Provenance> { } } -impl VisitProvenance for OpTy<'_, Provenance> { +impl VisitProvenance for OpTy<'_> { fn visit_provenance(&self, visit: &mut VisitWith<'_>) { match self.as_mplace_or_imm() { Either::Left(mplace) => mplace.visit_provenance(visit), diff --git a/src/tools/miri/src/shims/alloc.rs b/src/tools/miri/src/shims/alloc.rs index bbe4bdd8450c..d1e5dca0bef0 100644 --- a/src/tools/miri/src/shims/alloc.rs +++ b/src/tools/miri/src/shims/alloc.rs @@ -113,10 +113,10 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn posix_memalign( &mut self, - memptr: &OpTy<'tcx, Provenance>, - align: &OpTy<'tcx, Provenance>, - size: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, Scalar> { + memptr: &OpTy<'tcx>, + align: &OpTy<'tcx>, + size: &OpTy<'tcx>, + ) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); let memptr = this.deref_pointer(memptr)?; let align = this.read_target_usize(align)?; @@ -175,8 +175,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn aligned_alloc( &mut self, - align: &OpTy<'tcx, Provenance>, - size: &OpTy<'tcx, Provenance>, + align: &OpTy<'tcx>, + size: &OpTy<'tcx>, ) -> InterpResult<'tcx, Pointer>> { let this = self.eval_context_mut(); let align = this.read_target_usize(align)?; diff --git a/src/tools/miri/src/shims/backtrace.rs b/src/tools/miri/src/shims/backtrace.rs index 6ec65a16b8a4..06be9c1e63e0 100644 --- a/src/tools/miri/src/shims/backtrace.rs +++ b/src/tools/miri/src/shims/backtrace.rs @@ -11,8 +11,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, abi: Abi, link_name: Symbol, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx> { let this = self.eval_context_mut(); let [flags] = this.check_shim(abi, Abi::Rust, link_name, args)?; @@ -31,8 +31,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, abi: Abi, link_name: Symbol, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx> { let this = self.eval_context_mut(); let tcx = this.tcx; @@ -110,7 +110,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn resolve_frame_pointer( &mut self, - ptr: &OpTy<'tcx, Provenance>, + ptr: &OpTy<'tcx>, ) -> InterpResult<'tcx, (Instance<'tcx>, Loc, String, String)> { let this = self.eval_context_mut(); @@ -140,8 +140,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, abi: Abi, link_name: Symbol, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx> { let this = self.eval_context_mut(); let [ptr, flags] = this.check_shim(abi, Abi::Rust, link_name, args)?; @@ -218,7 +218,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, abi: Abi, link_name: Symbol, - args: &[OpTy<'tcx, Provenance>], + args: &[OpTy<'tcx>], ) -> InterpResult<'tcx> { let this = self.eval_context_mut(); diff --git a/src/tools/miri/src/shims/extern_static.rs b/src/tools/miri/src/shims/extern_static.rs index 9330ac0b4dd8..17ac2638a69f 100644 --- a/src/tools/miri/src/shims/extern_static.rs +++ b/src/tools/miri/src/shims/extern_static.rs @@ -6,7 +6,7 @@ impl<'tcx> MiriMachine<'tcx> { fn alloc_extern_static( this: &mut MiriInterpCx<'tcx>, name: &str, - val: ImmTy<'tcx, Provenance>, + val: ImmTy<'tcx>, ) -> InterpResult<'tcx> { let place = this.allocate(val.layout, MiriMemoryKind::ExternStatic.into())?; this.write_immediate(*val, &place)?; diff --git a/src/tools/miri/src/shims/foreign_items.rs b/src/tools/miri/src/shims/foreign_items.rs index 6dfd9866cae9..898fc111fd43 100644 --- a/src/tools/miri/src/shims/foreign_items.rs +++ b/src/tools/miri/src/shims/foreign_items.rs @@ -40,8 +40,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, link_name: Symbol, abi: Abi, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, ret: Option, unwind: mir::UnwindAction, ) -> InterpResult<'tcx, Option<(&'tcx mir::Body<'tcx>, ty::Instance<'tcx>)>> { @@ -123,8 +123,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, sym: DynSym, abi: Abi, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, ret: Option, unwind: mir::UnwindAction, ) -> InterpResult<'tcx> { @@ -208,8 +208,8 @@ trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, link_name: Symbol, abi: Abi, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, EmulateItemResult> { let this = self.eval_context_mut(); @@ -238,11 +238,11 @@ trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { // ``` // fn shim_name( // &mut self, - // arg1: &OpTy<'tcx, Provenance>, - // arg2: &OpTy<'tcx, Provenance>, - // arg3: &OpTy<'tcx, Provenance>, - // arg4: &OpTy<'tcx, Provenance>) - // -> InterpResult<'tcx, Scalar> { + // arg1: &OpTy<'tcx>, + // arg2: &OpTy<'tcx>, + // arg3: &OpTy<'tcx>, + // arg4: &OpTy<'tcx>) + // -> InterpResult<'tcx, Scalar> { // let this = self.eval_context_mut(); // // // First thing: load all the arguments. Details depend on the shim. diff --git a/src/tools/miri/src/shims/native_lib.rs b/src/tools/miri/src/shims/native_lib.rs index cc5cc75332aa..40697e17ba19 100644 --- a/src/tools/miri/src/shims/native_lib.rs +++ b/src/tools/miri/src/shims/native_lib.rs @@ -14,10 +14,10 @@ trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { fn call_native_with_args<'a>( &mut self, link_name: Symbol, - dest: &MPlaceTy<'tcx, Provenance>, + dest: &MPlaceTy<'tcx>, ptr: CodePtr, libffi_args: Vec>, - ) -> InterpResult<'tcx, ImmTy<'tcx, Provenance>> { + ) -> InterpResult<'tcx, ImmTy<'tcx>> { let this = self.eval_context_mut(); // Call the function (`ptr`) with arguments `libffi_args`, and obtain the return value @@ -132,8 +132,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn call_native_fn( &mut self, link_name: Symbol, - dest: &MPlaceTy<'tcx, Provenance>, - args: &[OpTy<'tcx, Provenance>], + dest: &MPlaceTy<'tcx>, + args: &[OpTy<'tcx>], ) -> InterpResult<'tcx, bool> { let this = self.eval_context_mut(); // Get the pointer to the function in the shared object file if it exists. @@ -216,10 +216,7 @@ impl<'a> CArg { /// Extract the scalar value from the result of reading a scalar from the machine, /// and convert it to a `CArg`. -fn imm_to_carg<'tcx>( - v: ImmTy<'tcx, Provenance>, - cx: &impl HasDataLayout, -) -> InterpResult<'tcx, CArg> { +fn imm_to_carg<'tcx>(v: ImmTy<'tcx>, cx: &impl HasDataLayout) -> InterpResult<'tcx, CArg> { Ok(match v.layout.ty.kind() { // If the primitive provided can be converted to a type matching the type pattern // then create a `CArg` of this primitive value with the corresponding `CArg` constructor. diff --git a/src/tools/miri/src/shims/panic.rs b/src/tools/miri/src/shims/panic.rs index 8aed6d4f463f..3c9c0eb5c60d 100644 --- a/src/tools/miri/src/shims/panic.rs +++ b/src/tools/miri/src/shims/panic.rs @@ -25,9 +25,9 @@ pub struct CatchUnwindData<'tcx> { /// The `catch_fn` callback to call in case of a panic. catch_fn: Pointer>, /// The `data` argument for that callback. - data: Scalar, + data: Scalar, /// The return place from the original call to `try`. - dest: MPlaceTy<'tcx, Provenance>, + dest: MPlaceTy<'tcx>, /// The return block from the original call to `try`. ret: Option, } @@ -45,7 +45,7 @@ impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// Handles the special `miri_start_unwind` intrinsic, which is called /// by libpanic_unwind to delegate the actual unwinding process to Miri. - fn handle_miri_start_unwind(&mut self, payload: &OpTy<'tcx, Provenance>) -> InterpResult<'tcx> { + fn handle_miri_start_unwind(&mut self, payload: &OpTy<'tcx>) -> InterpResult<'tcx> { let this = self.eval_context_mut(); trace!("miri_start_unwind: {:?}", this.frame().instance); @@ -60,8 +60,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// Handles the `try` intrinsic, the underlying implementation of `std::panicking::try`. fn handle_catch_unwind( &mut self, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, ret: Option, ) -> InterpResult<'tcx> { let this = self.eval_context_mut(); diff --git a/src/tools/miri/src/shims/time.rs b/src/tools/miri/src/shims/time.rs index 9fb7a735c30b..963ee1c3e627 100644 --- a/src/tools/miri/src/shims/time.rs +++ b/src/tools/miri/src/shims/time.rs @@ -18,9 +18,9 @@ impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn clock_gettime( &mut self, - clk_id_op: &OpTy<'tcx, Provenance>, - tp_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, Scalar> { + clk_id_op: &OpTy<'tcx>, + tp_op: &OpTy<'tcx>, + ) -> InterpResult<'tcx, Scalar> { // This clock support is deliberately minimal because a lot of clock types have fiddly // properties (is it possible for Miri to be suspended independently of the host?). If you // have a use for another clock type, please open an issue. @@ -93,11 +93,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { Ok(Scalar::from_i32(0)) } - fn gettimeofday( - &mut self, - tv_op: &OpTy<'tcx, Provenance>, - tz_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, i32> { + fn gettimeofday(&mut self, tv_op: &OpTy<'tcx>, tz_op: &OpTy<'tcx>) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); this.assert_target_os_is_unix("gettimeofday"); @@ -127,8 +123,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { // https://linux.die.net/man/3/localtime_r fn localtime_r( &mut self, - timep: &OpTy<'tcx, Provenance>, - result_op: &OpTy<'tcx, Provenance>, + timep: &OpTy<'tcx>, + result_op: &OpTy<'tcx>, ) -> InterpResult<'tcx, Pointer>> { let this = self.eval_context_mut(); @@ -212,7 +208,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn GetSystemTimeAsFileTime( &mut self, shim_name: &str, - LPFILETIME_op: &OpTy<'tcx, Provenance>, + LPFILETIME_op: &OpTy<'tcx>, ) -> InterpResult<'tcx> { let this = self.eval_context_mut(); @@ -242,8 +238,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { #[allow(non_snake_case)] fn QueryPerformanceCounter( &mut self, - lpPerformanceCount_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, Scalar> { + lpPerformanceCount_op: &OpTy<'tcx>, + ) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); this.assert_target_os("windows", "QueryPerformanceCounter"); @@ -261,8 +257,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { #[allow(non_snake_case)] fn QueryPerformanceFrequency( &mut self, - lpFrequency_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, Scalar> { + lpFrequency_op: &OpTy<'tcx>, + ) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); this.assert_target_os("windows", "QueryPerformanceFrequency"); @@ -279,7 +275,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { Ok(Scalar::from_i32(-1)) // Return non-zero on success } - fn mach_absolute_time(&self) -> InterpResult<'tcx, Scalar> { + fn mach_absolute_time(&self) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_ref(); this.assert_target_os("macos", "mach_absolute_time"); @@ -293,10 +289,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { Ok(Scalar::from_u64(res)) } - fn mach_timebase_info( - &mut self, - info_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, Scalar> { + fn mach_timebase_info(&mut self, info_op: &OpTy<'tcx>) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); this.assert_target_os("macos", "mach_timebase_info"); @@ -313,8 +306,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn nanosleep( &mut self, - req_op: &OpTy<'tcx, Provenance>, - _rem: &OpTy<'tcx, Provenance>, // Signal handlers are not supported, so rem will never be written to. + req_op: &OpTy<'tcx>, + _rem: &OpTy<'tcx>, // Signal handlers are not supported, so rem will never be written to. ) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); @@ -350,7 +343,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } #[allow(non_snake_case)] - fn Sleep(&mut self, timeout: &OpTy<'tcx, Provenance>) -> InterpResult<'tcx> { + fn Sleep(&mut self, timeout: &OpTy<'tcx>) -> InterpResult<'tcx> { let this = self.eval_context_mut(); this.assert_target_os("windows", "Sleep"); diff --git a/src/tools/miri/src/shims/tls.rs b/src/tools/miri/src/shims/tls.rs index fa52b036ce94..c91386fa877f 100644 --- a/src/tools/miri/src/shims/tls.rs +++ b/src/tools/miri/src/shims/tls.rs @@ -16,7 +16,7 @@ pub type TlsKey = u128; pub struct TlsEntry<'tcx> { /// The data for this key. None is used to represent NULL. /// (We normalize this early to avoid having to do a NULL-ptr-test each time we access the data.) - data: BTreeMap>, + data: BTreeMap, dtor: Option>, } @@ -38,7 +38,7 @@ pub struct TlsData<'tcx> { /// A single per thread destructor of the thread local storage (that's how /// things work on macOS) with a data argument. - macos_thread_dtors: BTreeMap, Scalar)>, + macos_thread_dtors: BTreeMap, Scalar)>, } impl<'tcx> Default for TlsData<'tcx> { @@ -86,7 +86,7 @@ impl<'tcx> TlsData<'tcx> { key: TlsKey, thread_id: ThreadId, cx: &impl HasDataLayout, - ) -> InterpResult<'tcx, Scalar> { + ) -> InterpResult<'tcx, Scalar> { match self.keys.get(&key) { Some(TlsEntry { data, .. }) => { let value = data.get(&thread_id).copied(); @@ -101,7 +101,7 @@ impl<'tcx> TlsData<'tcx> { &mut self, key: TlsKey, thread_id: ThreadId, - new_data: Scalar, + new_data: Scalar, cx: &impl HasDataLayout, ) -> InterpResult<'tcx> { match self.keys.get_mut(&key) { @@ -132,7 +132,7 @@ impl<'tcx> TlsData<'tcx> { &mut self, thread: ThreadId, dtor: ty::Instance<'tcx>, - data: Scalar, + data: Scalar, ) -> InterpResult<'tcx> { if self.macos_thread_dtors.insert(thread, (dtor, data)).is_some() { throw_unsup_format!( @@ -165,7 +165,7 @@ impl<'tcx> TlsData<'tcx> { &mut self, key: Option, thread_id: ThreadId, - ) -> Option<(ty::Instance<'tcx>, Scalar, TlsKey)> { + ) -> Option<(ty::Instance<'tcx>, Scalar, TlsKey)> { use std::ops::Bound::*; let thread_local = &mut self.keys; @@ -228,7 +228,7 @@ enum TlsDtorsStatePriv<'tcx> { PthreadDtors(RunningDtorState), /// For Windows Dtors, we store the list of functions that we still have to call. /// These are functions from the magic `.CRT$XLB` linker section. - WindowsDtors(Vec>), + WindowsDtors(Vec>), Done, } @@ -297,7 +297,7 @@ impl<'tcx> EvalContextPrivExt<'tcx> for crate::MiriInterpCx<'tcx> {} trait EvalContextPrivExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// Schedule TLS destructors for Windows. /// On windows, TLS destructors are managed by std. - fn lookup_windows_tls_dtors(&mut self) -> InterpResult<'tcx, Vec>> { + fn lookup_windows_tls_dtors(&mut self) -> InterpResult<'tcx, Vec>> { let this = self.eval_context_mut(); // Windows has a special magic linker section that is run on certain events. @@ -305,7 +305,7 @@ trait EvalContextPrivExt<'tcx>: crate::MiriInterpCxExt<'tcx> { Ok(this.lookup_link_section(".CRT$XLB")?) } - fn schedule_windows_tls_dtor(&mut self, dtor: ImmTy<'tcx, Provenance>) -> InterpResult<'tcx> { + fn schedule_windows_tls_dtor(&mut self, dtor: ImmTy<'tcx>) -> InterpResult<'tcx> { let this = self.eval_context_mut(); let dtor = dtor.to_scalar().to_pointer(this)?; diff --git a/src/tools/miri/src/shims/unix/android/foreign_items.rs b/src/tools/miri/src/shims/unix/android/foreign_items.rs index 8a6e025ee18f..42552a51edae 100644 --- a/src/tools/miri/src/shims/unix/android/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/android/foreign_items.rs @@ -13,8 +13,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, link_name: Symbol, abi: Abi, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, EmulateItemResult> { let this = self.eval_context_mut(); match link_name.as_str() { diff --git a/src/tools/miri/src/shims/unix/env.rs b/src/tools/miri/src/shims/unix/env.rs index 26096910aa19..f21207c52f55 100644 --- a/src/tools/miri/src/shims/unix/env.rs +++ b/src/tools/miri/src/shims/unix/env.rs @@ -16,7 +16,7 @@ pub struct UnixEnvVars<'tcx> { map: FxHashMap>>, /// Place where the `environ` static is stored. Lazily initialized, but then never changes. - environ: MPlaceTy<'tcx, Provenance>, + environ: MPlaceTy<'tcx>, } impl VisitProvenance for UnixEnvVars<'_> { @@ -139,10 +139,7 @@ fn alloc_environ_block<'tcx>( impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { - fn getenv( - &mut self, - name_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, Pointer>> { + fn getenv(&mut self, name_op: &OpTy<'tcx>) -> InterpResult<'tcx, Pointer>> { let this = self.eval_context_mut(); this.assert_target_os_is_unix("getenv"); @@ -153,11 +150,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { Ok(var_ptr.unwrap_or_else(Pointer::null)) } - fn setenv( - &mut self, - name_op: &OpTy<'tcx, Provenance>, - value_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, i32> { + fn setenv(&mut self, name_op: &OpTy<'tcx>, value_op: &OpTy<'tcx>) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); this.assert_target_os_is_unix("setenv"); @@ -187,7 +180,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } } - fn unsetenv(&mut self, name_op: &OpTy<'tcx, Provenance>) -> InterpResult<'tcx, i32> { + fn unsetenv(&mut self, name_op: &OpTy<'tcx>) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); this.assert_target_os_is_unix("unsetenv"); @@ -215,8 +208,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn getcwd( &mut self, - buf_op: &OpTy<'tcx, Provenance>, - size_op: &OpTy<'tcx, Provenance>, + buf_op: &OpTy<'tcx>, + size_op: &OpTy<'tcx>, ) -> InterpResult<'tcx, Pointer>> { let this = self.eval_context_mut(); this.assert_target_os_is_unix("getcwd"); @@ -245,7 +238,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { Ok(Pointer::null()) } - fn chdir(&mut self, path_op: &OpTy<'tcx, Provenance>) -> InterpResult<'tcx, i32> { + fn chdir(&mut self, path_op: &OpTy<'tcx>) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); this.assert_target_os_is_unix("chdir"); diff --git a/src/tools/miri/src/shims/unix/fd.rs b/src/tools/miri/src/shims/unix/fd.rs index 5fdd77a0cbdb..4a1a4466ddbd 100644 --- a/src/tools/miri/src/shims/unix/fd.rs +++ b/src/tools/miri/src/shims/unix/fd.rs @@ -273,7 +273,7 @@ impl FdTable { impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { - fn fcntl(&mut self, args: &[OpTy<'tcx, Provenance>]) -> InterpResult<'tcx, i32> { + fn fcntl(&mut self, args: &[OpTy<'tcx>]) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); if args.len() < 2 { @@ -329,7 +329,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } } - fn close(&mut self, fd_op: &OpTy<'tcx, Provenance>) -> InterpResult<'tcx, Scalar> { + fn close(&mut self, fd_op: &OpTy<'tcx>) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); let fd = this.read_scalar(fd_op)?.to_i32()?; diff --git a/src/tools/miri/src/shims/unix/foreign_items.rs b/src/tools/miri/src/shims/unix/foreign_items.rs index 052715e239f2..2282099fa0d2 100644 --- a/src/tools/miri/src/shims/unix/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/foreign_items.rs @@ -43,8 +43,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, link_name: Symbol, abi: Abi, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, EmulateItemResult> { let this = self.eval_context_mut(); @@ -326,7 +326,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let name = this.read_scalar(name)?.to_i32()?; // FIXME: Which of these are POSIX, and which are GNU/Linux? // At least the names seem to all also exist on macOS. - let sysconfs: &[(&str, fn(&MiriInterpCx<'_>) -> Scalar)] = &[ + let sysconfs: &[(&str, fn(&MiriInterpCx<'_>) -> Scalar)] = &[ ("_SC_PAGESIZE", |this| Scalar::from_int(this.machine.page_size, this.pointer_size())), ("_SC_NPROCESSORS_CONF", |this| Scalar::from_int(this.machine.num_cpus, this.pointer_size())), ("_SC_NPROCESSORS_ONLN", |this| Scalar::from_int(this.machine.num_cpus, this.pointer_size())), diff --git a/src/tools/miri/src/shims/unix/freebsd/foreign_items.rs b/src/tools/miri/src/shims/unix/freebsd/foreign_items.rs index 30eb88151e4b..36f25767a8ea 100644 --- a/src/tools/miri/src/shims/unix/freebsd/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/freebsd/foreign_items.rs @@ -14,8 +14,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, link_name: Symbol, abi: Abi, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, EmulateItemResult> { let this = self.eval_context_mut(); match link_name.as_str() { diff --git a/src/tools/miri/src/shims/unix/fs.rs b/src/tools/miri/src/shims/unix/fs.rs index 8e3d547b0750..438f8b2c7e65 100644 --- a/src/tools/miri/src/shims/unix/fs.rs +++ b/src/tools/miri/src/shims/unix/fs.rs @@ -91,7 +91,7 @@ trait EvalContextExtPrivate<'tcx>: crate::MiriInterpCxExt<'tcx> { fn macos_stat_write_buf( &mut self, metadata: FileMetadata, - buf_op: &OpTy<'tcx, Provenance>, + buf_op: &OpTy<'tcx>, ) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); @@ -256,7 +256,7 @@ fn maybe_sync_file( impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { - fn open(&mut self, args: &[OpTy<'tcx, Provenance>]) -> InterpResult<'tcx, i32> { + fn open(&mut self, args: &[OpTy<'tcx>]) -> InterpResult<'tcx, i32> { if args.len() < 2 { throw_ub_format!( "incorrect number of arguments for `open`: got {}, expected at least 2", @@ -389,12 +389,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { this.try_unwrap_io_result(fd) } - fn lseek64( - &mut self, - fd: i32, - offset: i128, - whence: i32, - ) -> InterpResult<'tcx, Scalar> { + fn lseek64(&mut self, fd: i32, offset: i128, whence: i32) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); // Isolation check is done via `FileDescriptor` trait. @@ -425,7 +420,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { Ok(Scalar::from_i64(result)) } - fn unlink(&mut self, path_op: &OpTy<'tcx, Provenance>) -> InterpResult<'tcx, i32> { + fn unlink(&mut self, path_op: &OpTy<'tcx>) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); let path = this.read_path_from_c_str(this.read_pointer(path_op)?)?; @@ -443,8 +438,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn symlink( &mut self, - target_op: &OpTy<'tcx, Provenance>, - linkpath_op: &OpTy<'tcx, Provenance>, + target_op: &OpTy<'tcx>, + linkpath_op: &OpTy<'tcx>, ) -> InterpResult<'tcx, i32> { #[cfg(unix)] fn create_link(src: &Path, dst: &Path) -> std::io::Result<()> { @@ -474,9 +469,9 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn macos_fbsd_stat( &mut self, - path_op: &OpTy<'tcx, Provenance>, - buf_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, Scalar> { + path_op: &OpTy<'tcx>, + buf_op: &OpTy<'tcx>, + ) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); if !matches!(&*this.tcx.sess.target.os, "macos" | "freebsd") { @@ -506,9 +501,9 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { // `lstat` is used to get symlink metadata. fn macos_fbsd_lstat( &mut self, - path_op: &OpTy<'tcx, Provenance>, - buf_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, Scalar> { + path_op: &OpTy<'tcx>, + buf_op: &OpTy<'tcx>, + ) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); if !matches!(&*this.tcx.sess.target.os, "macos" | "freebsd") { @@ -536,9 +531,9 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn macos_fbsd_fstat( &mut self, - fd_op: &OpTy<'tcx, Provenance>, - buf_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, Scalar> { + fd_op: &OpTy<'tcx>, + buf_op: &OpTy<'tcx>, + ) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); if !matches!(&*this.tcx.sess.target.os, "macos" | "freebsd") { @@ -563,11 +558,11 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn linux_statx( &mut self, - dirfd_op: &OpTy<'tcx, Provenance>, // Should be an `int` - pathname_op: &OpTy<'tcx, Provenance>, // Should be a `const char *` - flags_op: &OpTy<'tcx, Provenance>, // Should be an `int` - mask_op: &OpTy<'tcx, Provenance>, // Should be an `unsigned int` - statxbuf_op: &OpTy<'tcx, Provenance>, // Should be a `struct statx *` + dirfd_op: &OpTy<'tcx>, // Should be an `int` + pathname_op: &OpTy<'tcx>, // Should be a `const char *` + flags_op: &OpTy<'tcx>, // Should be an `int` + mask_op: &OpTy<'tcx>, // Should be an `unsigned int` + statxbuf_op: &OpTy<'tcx>, // Should be a `struct statx *` ) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); @@ -745,8 +740,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn rename( &mut self, - oldpath_op: &OpTy<'tcx, Provenance>, - newpath_op: &OpTy<'tcx, Provenance>, + oldpath_op: &OpTy<'tcx>, + newpath_op: &OpTy<'tcx>, ) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); @@ -774,11 +769,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { this.try_unwrap_io_result(result) } - fn mkdir( - &mut self, - path_op: &OpTy<'tcx, Provenance>, - mode_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, i32> { + fn mkdir(&mut self, path_op: &OpTy<'tcx>, mode_op: &OpTy<'tcx>) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); #[cfg_attr(not(unix), allow(unused_variables))] @@ -813,7 +804,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { this.try_unwrap_io_result(result) } - fn rmdir(&mut self, path_op: &OpTy<'tcx, Provenance>) -> InterpResult<'tcx, i32> { + fn rmdir(&mut self, path_op: &OpTy<'tcx>) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); let path = this.read_path_from_c_str(this.read_pointer(path_op)?)?; @@ -830,10 +821,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { this.try_unwrap_io_result(result) } - fn opendir( - &mut self, - name_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, Scalar> { + fn opendir(&mut self, name_op: &OpTy<'tcx>) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); let name = this.read_path_from_c_str(this.read_pointer(name_op)?)?; @@ -864,10 +852,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } } - fn linux_readdir64( - &mut self, - dirp_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, Scalar> { + fn linux_readdir64(&mut self, dirp_op: &OpTy<'tcx>) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); this.assert_target_os("linux", "readdir64"); @@ -962,10 +947,10 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn macos_fbsd_readdir_r( &mut self, - dirp_op: &OpTy<'tcx, Provenance>, - entry_op: &OpTy<'tcx, Provenance>, - result_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, Scalar> { + dirp_op: &OpTy<'tcx>, + entry_op: &OpTy<'tcx>, + result_op: &OpTy<'tcx>, + ) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); if !matches!(&*this.tcx.sess.target.os, "macos" | "freebsd") { @@ -1083,7 +1068,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { })) } - fn closedir(&mut self, dirp_op: &OpTy<'tcx, Provenance>) -> InterpResult<'tcx, i32> { + fn closedir(&mut self, dirp_op: &OpTy<'tcx>) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); let dirp = this.read_target_usize(dirp_op)?; @@ -1106,7 +1091,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } } - fn ftruncate64(&mut self, fd: i32, length: i128) -> InterpResult<'tcx, Scalar> { + fn ftruncate64(&mut self, fd: i32, length: i128) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); // Reject if isolation is enabled. @@ -1147,7 +1132,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } } - fn fsync(&mut self, fd_op: &OpTy<'tcx, Provenance>) -> InterpResult<'tcx, i32> { + fn fsync(&mut self, fd_op: &OpTy<'tcx>) -> InterpResult<'tcx, i32> { // On macOS, `fsync` (unlike `fcntl(F_FULLFSYNC)`) does not wait for the // underlying disk to finish writing. In the interest of host compatibility, // we conservatively implement this with `sync_all`, which @@ -1182,7 +1167,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { this.try_unwrap_io_result(io_result) } - fn fdatasync(&mut self, fd_op: &OpTy<'tcx, Provenance>) -> InterpResult<'tcx, i32> { + fn fdatasync(&mut self, fd_op: &OpTy<'tcx>) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); let fd = this.read_scalar(fd_op)?.to_i32()?; @@ -1209,11 +1194,11 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn sync_file_range( &mut self, - fd_op: &OpTy<'tcx, Provenance>, - offset_op: &OpTy<'tcx, Provenance>, - nbytes_op: &OpTy<'tcx, Provenance>, - flags_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, Scalar> { + fd_op: &OpTy<'tcx>, + offset_op: &OpTy<'tcx>, + nbytes_op: &OpTy<'tcx>, + flags_op: &OpTy<'tcx>, + ) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); let fd = this.read_scalar(fd_op)?.to_i32()?; @@ -1259,9 +1244,9 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn readlink( &mut self, - pathname_op: &OpTy<'tcx, Provenance>, - buf_op: &OpTy<'tcx, Provenance>, - bufsize_op: &OpTy<'tcx, Provenance>, + pathname_op: &OpTy<'tcx>, + buf_op: &OpTy<'tcx>, + bufsize_op: &OpTy<'tcx>, ) -> InterpResult<'tcx, i64> { let this = self.eval_context_mut(); @@ -1302,10 +1287,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } } - fn isatty( - &mut self, - miri_fd: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, Scalar> { + fn isatty(&mut self, miri_fd: &OpTy<'tcx>) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); // "returns 1 if fd is an open file descriptor referring to a terminal; // otherwise 0 is returned, and errno is set to indicate the error" @@ -1326,9 +1308,9 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn realpath( &mut self, - path_op: &OpTy<'tcx, Provenance>, - processed_path_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, Scalar> { + path_op: &OpTy<'tcx>, + processed_path_op: &OpTy<'tcx>, + ) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); this.assert_target_os_is_unix("realpath"); @@ -1384,7 +1366,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } } } - fn mkstemp(&mut self, template_op: &OpTy<'tcx, Provenance>) -> InterpResult<'tcx, i32> { + fn mkstemp(&mut self, template_op: &OpTy<'tcx>) -> InterpResult<'tcx, i32> { use rand::seq::SliceRandom; // POSIX defines the template string. @@ -1531,7 +1513,7 @@ fn extract_sec_and_nsec<'tcx>( /// Stores a file's metadata in order to avoid code duplication in the different metadata related /// shims. struct FileMetadata { - mode: Scalar, + mode: Scalar, size: u64, created: Option<(u64, u32)>, accessed: Option<(u64, u32)>, diff --git a/src/tools/miri/src/shims/unix/linux/epoll.rs b/src/tools/miri/src/shims/unix/linux/epoll.rs index 50868e60e951..aa4dc9828701 100644 --- a/src/tools/miri/src/shims/unix/linux/epoll.rs +++ b/src/tools/miri/src/shims/unix/linux/epoll.rs @@ -25,10 +25,10 @@ struct Epoll { struct EpollEvent { #[allow(dead_code)] events: u32, - /// `Scalar` is used to represent the + /// `Scalar` is used to represent the /// `epoll_data` type union. #[allow(dead_code)] - data: Scalar, + data: Scalar, } impl FileDescription for Epoll { @@ -51,10 +51,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// is 0, then this function is the same as `epoll_create()`. /// /// - fn epoll_create1( - &mut self, - flags: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, Scalar> { + fn epoll_create1(&mut self, flags: &OpTy<'tcx>) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); let flags = this.read_scalar(flags)?.to_i32()?; @@ -85,11 +82,11 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// fn epoll_ctl( &mut self, - epfd: &OpTy<'tcx, Provenance>, - op: &OpTy<'tcx, Provenance>, - fd: &OpTy<'tcx, Provenance>, - event: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, Scalar> { + epfd: &OpTy<'tcx>, + op: &OpTy<'tcx>, + fd: &OpTy<'tcx>, + event: &OpTy<'tcx>, + ) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); let epfd = this.read_scalar(epfd)?.to_i32()?; @@ -167,11 +164,11 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// fn epoll_wait( &mut self, - epfd: &OpTy<'tcx, Provenance>, - events: &OpTy<'tcx, Provenance>, - maxevents: &OpTy<'tcx, Provenance>, - timeout: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, Scalar> { + epfd: &OpTy<'tcx>, + events: &OpTy<'tcx>, + maxevents: &OpTy<'tcx>, + timeout: &OpTy<'tcx>, + ) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); let epfd = this.read_scalar(epfd)?.to_i32()?; diff --git a/src/tools/miri/src/shims/unix/linux/eventfd.rs b/src/tools/miri/src/shims/unix/linux/eventfd.rs index 1447e498fd7d..777142b25c47 100644 --- a/src/tools/miri/src/shims/unix/linux/eventfd.rs +++ b/src/tools/miri/src/shims/unix/linux/eventfd.rs @@ -84,11 +84,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// `EFD_SEMAPHORE` - miri does not support semaphore-like semantics. /// /// - fn eventfd( - &mut self, - val: &OpTy<'tcx, Provenance>, - flags: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, Scalar> { + fn eventfd(&mut self, val: &OpTy<'tcx>, flags: &OpTy<'tcx>) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); let val = this.read_scalar(val)?.to_u32()?; diff --git a/src/tools/miri/src/shims/unix/linux/foreign_items.rs b/src/tools/miri/src/shims/unix/linux/foreign_items.rs index 7d0c8be1eaa0..e31d43d9190a 100644 --- a/src/tools/miri/src/shims/unix/linux/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/linux/foreign_items.rs @@ -20,8 +20,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, link_name: Symbol, abi: Abi, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, EmulateItemResult> { let this = self.eval_context_mut(); diff --git a/src/tools/miri/src/shims/unix/linux/mem.rs b/src/tools/miri/src/shims/unix/linux/mem.rs index 5f5d2b0c739d..c430eff0180e 100644 --- a/src/tools/miri/src/shims/unix/linux/mem.rs +++ b/src/tools/miri/src/shims/unix/linux/mem.rs @@ -8,11 +8,11 @@ impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn mremap( &mut self, - old_address: &OpTy<'tcx, Provenance>, - old_size: &OpTy<'tcx, Provenance>, - new_size: &OpTy<'tcx, Provenance>, - flags: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, Scalar> { + old_address: &OpTy<'tcx>, + old_size: &OpTy<'tcx>, + new_size: &OpTy<'tcx>, + flags: &OpTy<'tcx>, + ) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); let old_address = this.read_pointer(old_address)?; diff --git a/src/tools/miri/src/shims/unix/linux/sync.rs b/src/tools/miri/src/shims/unix/linux/sync.rs index de83a358db92..3e0d5e58d4cd 100644 --- a/src/tools/miri/src/shims/unix/linux/sync.rs +++ b/src/tools/miri/src/shims/unix/linux/sync.rs @@ -6,8 +6,8 @@ use crate::*; /// `args` is the arguments *after* the syscall number. pub fn futex<'tcx>( this: &mut MiriInterpCx<'tcx>, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx> { // The amount of arguments used depends on the type of futex operation. // The full futex syscall takes six arguments (excluding the syscall diff --git a/src/tools/miri/src/shims/unix/macos/foreign_items.rs b/src/tools/miri/src/shims/unix/macos/foreign_items.rs index a1e9ccec676e..25002f0a611c 100644 --- a/src/tools/miri/src/shims/unix/macos/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/macos/foreign_items.rs @@ -14,8 +14,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, link_name: Symbol, abi: Abi, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, EmulateItemResult> { let this = self.eval_context_mut(); diff --git a/src/tools/miri/src/shims/unix/mem.rs b/src/tools/miri/src/shims/unix/mem.rs index 4d727c0b1804..de5a5d0759c4 100644 --- a/src/tools/miri/src/shims/unix/mem.rs +++ b/src/tools/miri/src/shims/unix/mem.rs @@ -21,13 +21,13 @@ impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn mmap( &mut self, - addr: &OpTy<'tcx, Provenance>, - length: &OpTy<'tcx, Provenance>, - prot: &OpTy<'tcx, Provenance>, - flags: &OpTy<'tcx, Provenance>, - fd: &OpTy<'tcx, Provenance>, + addr: &OpTy<'tcx>, + length: &OpTy<'tcx>, + prot: &OpTy<'tcx>, + flags: &OpTy<'tcx>, + fd: &OpTy<'tcx>, offset: i128, - ) -> InterpResult<'tcx, Scalar> { + ) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); // We do not support MAP_FIXED, so the addr argument is always ignored (except for the MacOS hack) @@ -123,11 +123,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { Ok(Scalar::from_pointer(ptr, this)) } - fn munmap( - &mut self, - addr: &OpTy<'tcx, Provenance>, - length: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, Scalar> { + fn munmap(&mut self, addr: &OpTy<'tcx>, length: &OpTy<'tcx>) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); let addr = this.read_pointer(addr)?; diff --git a/src/tools/miri/src/shims/unix/socket.rs b/src/tools/miri/src/shims/unix/socket.rs index a0fa3bcee342..7eb7e28ea367 100644 --- a/src/tools/miri/src/shims/unix/socket.rs +++ b/src/tools/miri/src/shims/unix/socket.rs @@ -35,11 +35,11 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// fn socketpair( &mut self, - domain: &OpTy<'tcx, Provenance>, - type_: &OpTy<'tcx, Provenance>, - protocol: &OpTy<'tcx, Provenance>, - sv: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, Scalar> { + domain: &OpTy<'tcx>, + type_: &OpTy<'tcx>, + protocol: &OpTy<'tcx>, + sv: &OpTy<'tcx>, + ) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); let _domain = this.read_scalar(domain)?.to_i32()?; diff --git a/src/tools/miri/src/shims/unix/solarish/foreign_items.rs b/src/tools/miri/src/shims/unix/solarish/foreign_items.rs index 93427b05d2d8..a0cc4a62bfd2 100644 --- a/src/tools/miri/src/shims/unix/solarish/foreign_items.rs +++ b/src/tools/miri/src/shims/unix/solarish/foreign_items.rs @@ -14,8 +14,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, link_name: Symbol, abi: Abi, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, EmulateItemResult> { let this = self.eval_context_mut(); match link_name.as_str() { diff --git a/src/tools/miri/src/shims/unix/sync.rs b/src/tools/miri/src/shims/unix/sync.rs index 304c1386370c..7d4c32bc87e9 100644 --- a/src/tools/miri/src/shims/unix/sync.rs +++ b/src/tools/miri/src/shims/unix/sync.rs @@ -19,7 +19,7 @@ fn mutexattr_kind_offset<'tcx>(ecx: &MiriInterpCx<'tcx>) -> InterpResult<'tcx, u fn mutexattr_get_kind<'tcx>( ecx: &MiriInterpCx<'tcx>, - attr_op: &OpTy<'tcx, Provenance>, + attr_op: &OpTy<'tcx>, ) -> InterpResult<'tcx, i32> { ecx.deref_pointer_and_read( attr_op, @@ -32,7 +32,7 @@ fn mutexattr_get_kind<'tcx>( fn mutexattr_set_kind<'tcx>( ecx: &mut MiriInterpCx<'tcx>, - attr_op: &OpTy<'tcx, Provenance>, + attr_op: &OpTy<'tcx>, kind: i32, ) -> InterpResult<'tcx, ()> { ecx.deref_pointer_and_write( @@ -117,7 +117,7 @@ fn mutex_kind_offset<'tcx>(ecx: &MiriInterpCx<'tcx>) -> u64 { fn mutex_get_id<'tcx>( ecx: &mut MiriInterpCx<'tcx>, - mutex_op: &OpTy<'tcx, Provenance>, + mutex_op: &OpTy<'tcx>, ) -> InterpResult<'tcx, MutexId> { ecx.mutex_get_or_create_id( mutex_op, @@ -128,7 +128,7 @@ fn mutex_get_id<'tcx>( fn mutex_reset_id<'tcx>( ecx: &mut MiriInterpCx<'tcx>, - mutex_op: &OpTy<'tcx, Provenance>, + mutex_op: &OpTy<'tcx>, ) -> InterpResult<'tcx, ()> { ecx.deref_pointer_and_write( mutex_op, @@ -141,7 +141,7 @@ fn mutex_reset_id<'tcx>( fn mutex_get_kind<'tcx>( ecx: &MiriInterpCx<'tcx>, - mutex_op: &OpTy<'tcx, Provenance>, + mutex_op: &OpTy<'tcx>, ) -> InterpResult<'tcx, i32> { ecx.deref_pointer_and_read( mutex_op, @@ -154,7 +154,7 @@ fn mutex_get_kind<'tcx>( fn mutex_set_kind<'tcx>( ecx: &mut MiriInterpCx<'tcx>, - mutex_op: &OpTy<'tcx, Provenance>, + mutex_op: &OpTy<'tcx>, kind: i32, ) -> InterpResult<'tcx, ()> { ecx.deref_pointer_and_write( @@ -198,7 +198,7 @@ fn rwlock_id_offset<'tcx>(ecx: &MiriInterpCx<'tcx>) -> InterpResult<'tcx, u64> { fn rwlock_get_id<'tcx>( ecx: &mut MiriInterpCx<'tcx>, - rwlock_op: &OpTy<'tcx, Provenance>, + rwlock_op: &OpTy<'tcx>, ) -> InterpResult<'tcx, RwLockId> { ecx.rwlock_get_or_create_id( rwlock_op, @@ -222,7 +222,7 @@ fn condattr_clock_offset<'tcx>(ecx: &MiriInterpCx<'tcx>) -> InterpResult<'tcx, u fn condattr_get_clock_id<'tcx>( ecx: &MiriInterpCx<'tcx>, - attr_op: &OpTy<'tcx, Provenance>, + attr_op: &OpTy<'tcx>, ) -> InterpResult<'tcx, i32> { ecx.deref_pointer_and_read( attr_op, @@ -235,7 +235,7 @@ fn condattr_get_clock_id<'tcx>( fn condattr_set_clock_id<'tcx>( ecx: &mut MiriInterpCx<'tcx>, - attr_op: &OpTy<'tcx, Provenance>, + attr_op: &OpTy<'tcx>, clock_id: i32, ) -> InterpResult<'tcx, ()> { ecx.deref_pointer_and_write( @@ -313,7 +313,7 @@ fn cond_clock_offset<'tcx>(ecx: &MiriInterpCx<'tcx>) -> u64 { fn cond_get_id<'tcx>( ecx: &mut MiriInterpCx<'tcx>, - cond_op: &OpTy<'tcx, Provenance>, + cond_op: &OpTy<'tcx>, ) -> InterpResult<'tcx, CondvarId> { ecx.condvar_get_or_create_id( cond_op, @@ -324,7 +324,7 @@ fn cond_get_id<'tcx>( fn cond_reset_id<'tcx>( ecx: &mut MiriInterpCx<'tcx>, - cond_op: &OpTy<'tcx, Provenance>, + cond_op: &OpTy<'tcx>, ) -> InterpResult<'tcx, ()> { ecx.deref_pointer_and_write( cond_op, @@ -337,7 +337,7 @@ fn cond_reset_id<'tcx>( fn cond_get_clock_id<'tcx>( ecx: &MiriInterpCx<'tcx>, - cond_op: &OpTy<'tcx, Provenance>, + cond_op: &OpTy<'tcx>, ) -> InterpResult<'tcx, i32> { ecx.deref_pointer_and_read( cond_op, @@ -350,7 +350,7 @@ fn cond_get_clock_id<'tcx>( fn cond_set_clock_id<'tcx>( ecx: &mut MiriInterpCx<'tcx>, - cond_op: &OpTy<'tcx, Provenance>, + cond_op: &OpTy<'tcx>, clock_id: i32, ) -> InterpResult<'tcx, ()> { ecx.deref_pointer_and_write( @@ -364,10 +364,7 @@ fn cond_set_clock_id<'tcx>( impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { - fn pthread_mutexattr_init( - &mut self, - attr_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, i32> { + fn pthread_mutexattr_init(&mut self, attr_op: &OpTy<'tcx>) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); let default_kind = this.eval_libc_i32("PTHREAD_MUTEX_DEFAULT"); @@ -378,8 +375,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn pthread_mutexattr_settype( &mut self, - attr_op: &OpTy<'tcx, Provenance>, - kind_op: &OpTy<'tcx, Provenance>, + attr_op: &OpTy<'tcx>, + kind_op: &OpTy<'tcx>, ) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); @@ -417,10 +414,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { Ok(0) } - fn pthread_mutexattr_destroy( - &mut self, - attr_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, i32> { + fn pthread_mutexattr_destroy(&mut self, attr_op: &OpTy<'tcx>) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); // Destroying an uninit pthread_mutexattr is UB, so check to make sure it's not uninit. @@ -447,8 +441,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn pthread_mutex_init( &mut self, - mutex_op: &OpTy<'tcx, Provenance>, - attr_op: &OpTy<'tcx, Provenance>, + mutex_op: &OpTy<'tcx>, + attr_op: &OpTy<'tcx>, ) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); @@ -469,8 +463,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn pthread_mutex_lock( &mut self, - mutex_op: &OpTy<'tcx, Provenance>, - dest: &MPlaceTy<'tcx, Provenance>, + mutex_op: &OpTy<'tcx>, + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx> { let this = self.eval_context_mut(); @@ -508,10 +502,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { Ok(()) } - fn pthread_mutex_trylock( - &mut self, - mutex_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, i32> { + fn pthread_mutex_trylock(&mut self, mutex_op: &OpTy<'tcx>) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); let kind = mutex_get_kind(this, mutex_op)?; @@ -543,10 +534,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } } - fn pthread_mutex_unlock( - &mut self, - mutex_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, i32> { + fn pthread_mutex_unlock(&mut self, mutex_op: &OpTy<'tcx>) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); let kind = mutex_get_kind(this, mutex_op)?; @@ -577,10 +565,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } } - fn pthread_mutex_destroy( - &mut self, - mutex_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, i32> { + fn pthread_mutex_destroy(&mut self, mutex_op: &OpTy<'tcx>) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); let id = mutex_get_id(this, mutex_op)?; @@ -604,8 +589,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn pthread_rwlock_rdlock( &mut self, - rwlock_op: &OpTy<'tcx, Provenance>, - dest: &MPlaceTy<'tcx, Provenance>, + rwlock_op: &OpTy<'tcx>, + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx> { let this = self.eval_context_mut(); @@ -621,10 +606,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { Ok(()) } - fn pthread_rwlock_tryrdlock( - &mut self, - rwlock_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, i32> { + fn pthread_rwlock_tryrdlock(&mut self, rwlock_op: &OpTy<'tcx>) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); let id = rwlock_get_id(this, rwlock_op)?; @@ -639,8 +621,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn pthread_rwlock_wrlock( &mut self, - rwlock_op: &OpTy<'tcx, Provenance>, - dest: &MPlaceTy<'tcx, Provenance>, + rwlock_op: &OpTy<'tcx>, + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx> { let this = self.eval_context_mut(); @@ -668,10 +650,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { Ok(()) } - fn pthread_rwlock_trywrlock( - &mut self, - rwlock_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, i32> { + fn pthread_rwlock_trywrlock(&mut self, rwlock_op: &OpTy<'tcx>) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); let id = rwlock_get_id(this, rwlock_op)?; @@ -684,10 +663,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } } - fn pthread_rwlock_unlock( - &mut self, - rwlock_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, i32> { + fn pthread_rwlock_unlock(&mut self, rwlock_op: &OpTy<'tcx>) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); let id = rwlock_get_id(this, rwlock_op)?; @@ -702,10 +678,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } } - fn pthread_rwlock_destroy( - &mut self, - rwlock_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, i32> { + fn pthread_rwlock_destroy(&mut self, rwlock_op: &OpTy<'tcx>) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); let id = rwlock_get_id(this, rwlock_op)?; @@ -726,10 +699,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { Ok(0) } - fn pthread_condattr_init( - &mut self, - attr_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, i32> { + fn pthread_condattr_init(&mut self, attr_op: &OpTy<'tcx>) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); // no clock attribute on macOS @@ -746,9 +716,9 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn pthread_condattr_setclock( &mut self, - attr_op: &OpTy<'tcx, Provenance>, - clock_id_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, Scalar> { + attr_op: &OpTy<'tcx>, + clock_id_op: &OpTy<'tcx>, + ) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); let clock_id = this.read_scalar(clock_id_op)?.to_i32()?; @@ -766,9 +736,9 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn pthread_condattr_getclock( &mut self, - attr_op: &OpTy<'tcx, Provenance>, - clk_id_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, Scalar> { + attr_op: &OpTy<'tcx>, + clk_id_op: &OpTy<'tcx>, + ) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); let clock_id = condattr_get_clock_id(this, attr_op)?; @@ -777,10 +747,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { Ok(Scalar::from_i32(0)) } - fn pthread_condattr_destroy( - &mut self, - attr_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, i32> { + fn pthread_condattr_destroy(&mut self, attr_op: &OpTy<'tcx>) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); // Destroying an uninit pthread_condattr is UB, so check to make sure it's not uninit. @@ -800,8 +767,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn pthread_cond_init( &mut self, - cond_op: &OpTy<'tcx, Provenance>, - attr_op: &OpTy<'tcx, Provenance>, + cond_op: &OpTy<'tcx>, + attr_op: &OpTy<'tcx>, ) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); @@ -821,17 +788,14 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { Ok(0) } - fn pthread_cond_signal(&mut self, cond_op: &OpTy<'tcx, Provenance>) -> InterpResult<'tcx, i32> { + fn pthread_cond_signal(&mut self, cond_op: &OpTy<'tcx>) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); let id = cond_get_id(this, cond_op)?; this.condvar_signal(id)?; Ok(0) } - fn pthread_cond_broadcast( - &mut self, - cond_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, i32> { + fn pthread_cond_broadcast(&mut self, cond_op: &OpTy<'tcx>) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); let id = cond_get_id(this, cond_op)?; while this.condvar_signal(id)? {} @@ -840,9 +804,9 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn pthread_cond_wait( &mut self, - cond_op: &OpTy<'tcx, Provenance>, - mutex_op: &OpTy<'tcx, Provenance>, - dest: &MPlaceTy<'tcx, Provenance>, + cond_op: &OpTy<'tcx>, + mutex_op: &OpTy<'tcx>, + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx> { let this = self.eval_context_mut(); @@ -863,10 +827,10 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn pthread_cond_timedwait( &mut self, - cond_op: &OpTy<'tcx, Provenance>, - mutex_op: &OpTy<'tcx, Provenance>, - abstime_op: &OpTy<'tcx, Provenance>, - dest: &MPlaceTy<'tcx, Provenance>, + cond_op: &OpTy<'tcx>, + mutex_op: &OpTy<'tcx>, + abstime_op: &OpTy<'tcx>, + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx> { let this = self.eval_context_mut(); @@ -906,10 +870,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { Ok(()) } - fn pthread_cond_destroy( - &mut self, - cond_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, i32> { + fn pthread_cond_destroy(&mut self, cond_op: &OpTy<'tcx>) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); let id = cond_get_id(this, cond_op)?; diff --git a/src/tools/miri/src/shims/unix/thread.rs b/src/tools/miri/src/shims/unix/thread.rs index 323b5c1992eb..6fe331ba623a 100644 --- a/src/tools/miri/src/shims/unix/thread.rs +++ b/src/tools/miri/src/shims/unix/thread.rs @@ -6,10 +6,10 @@ impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn pthread_create( &mut self, - thread: &OpTy<'tcx, Provenance>, - _attr: &OpTy<'tcx, Provenance>, - start_routine: &OpTy<'tcx, Provenance>, - arg: &OpTy<'tcx, Provenance>, + thread: &OpTy<'tcx>, + _attr: &OpTy<'tcx>, + start_routine: &OpTy<'tcx>, + arg: &OpTy<'tcx>, ) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); @@ -32,8 +32,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn pthread_join( &mut self, - thread: &OpTy<'tcx, Provenance>, - retval: &OpTy<'tcx, Provenance>, + thread: &OpTy<'tcx>, + retval: &OpTy<'tcx>, ) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); @@ -48,7 +48,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { Ok(0) } - fn pthread_detach(&mut self, thread: &OpTy<'tcx, Provenance>) -> InterpResult<'tcx, i32> { + fn pthread_detach(&mut self, thread: &OpTy<'tcx>) -> InterpResult<'tcx, i32> { let this = self.eval_context_mut(); let thread_id = this.read_scalar(thread)?.to_int(this.libc_ty_layout("pthread_t").size)?; @@ -60,7 +60,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { Ok(0) } - fn pthread_self(&mut self) -> InterpResult<'tcx, Scalar> { + fn pthread_self(&mut self) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); let thread_id = this.active_thread(); @@ -71,10 +71,10 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// including the null terminator. fn pthread_setname_np( &mut self, - thread: Scalar, - name: Scalar, + thread: Scalar, + name: Scalar, max_name_len: usize, - ) -> InterpResult<'tcx, Scalar> { + ) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); let thread = thread.to_int(this.libc_ty_layout("pthread_t").size)?; @@ -95,10 +95,10 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn pthread_getname_np( &mut self, - thread: Scalar, - name_out: Scalar, - len: Scalar, - ) -> InterpResult<'tcx, Scalar> { + thread: Scalar, + name_out: Scalar, + len: Scalar, + ) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); let thread = thread.to_int(this.libc_ty_layout("pthread_t").size)?; diff --git a/src/tools/miri/src/shims/wasi/foreign_items.rs b/src/tools/miri/src/shims/wasi/foreign_items.rs index b81b35bd963e..e9fe90081d09 100644 --- a/src/tools/miri/src/shims/wasi/foreign_items.rs +++ b/src/tools/miri/src/shims/wasi/foreign_items.rs @@ -14,8 +14,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, link_name: Symbol, abi: Abi, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, EmulateItemResult> { let this = self.eval_context_mut(); match link_name.as_str() { diff --git a/src/tools/miri/src/shims/windows/env.rs b/src/tools/miri/src/shims/windows/env.rs index 488a05366d23..f90e5644d027 100644 --- a/src/tools/miri/src/shims/windows/env.rs +++ b/src/tools/miri/src/shims/windows/env.rs @@ -38,10 +38,10 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { #[allow(non_snake_case)] fn GetEnvironmentVariableW( &mut self, - name_op: &OpTy<'tcx, Provenance>, // LPCWSTR - buf_op: &OpTy<'tcx, Provenance>, // LPWSTR - size_op: &OpTy<'tcx, Provenance>, // DWORD - ) -> InterpResult<'tcx, Scalar> { + name_op: &OpTy<'tcx>, // LPCWSTR + buf_op: &OpTy<'tcx>, // LPWSTR + size_op: &OpTy<'tcx>, // DWORD + ) -> InterpResult<'tcx, Scalar> { // ^ Returns DWORD (u32 on Windows) let this = self.eval_context_mut(); @@ -93,10 +93,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } #[allow(non_snake_case)] - fn FreeEnvironmentStringsW( - &mut self, - env_block_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, Scalar> { + fn FreeEnvironmentStringsW(&mut self, env_block_op: &OpTy<'tcx>) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); this.assert_target_os("windows", "FreeEnvironmentStringsW"); @@ -109,9 +106,9 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { #[allow(non_snake_case)] fn SetEnvironmentVariableW( &mut self, - name_op: &OpTy<'tcx, Provenance>, // LPCWSTR - value_op: &OpTy<'tcx, Provenance>, // LPCWSTR - ) -> InterpResult<'tcx, Scalar> { + name_op: &OpTy<'tcx>, // LPCWSTR + value_op: &OpTy<'tcx>, // LPCWSTR + ) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); this.assert_target_os("windows", "SetEnvironmentVariableW"); @@ -142,9 +139,9 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { #[allow(non_snake_case)] fn GetCurrentDirectoryW( &mut self, - size_op: &OpTy<'tcx, Provenance>, // DWORD - buf_op: &OpTy<'tcx, Provenance>, // LPTSTR - ) -> InterpResult<'tcx, Scalar> { + size_op: &OpTy<'tcx>, // DWORD + buf_op: &OpTy<'tcx>, // LPTSTR + ) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); this.assert_target_os("windows", "GetCurrentDirectoryW"); @@ -174,8 +171,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { #[allow(non_snake_case)] fn SetCurrentDirectoryW( &mut self, - path_op: &OpTy<'tcx, Provenance>, // LPCTSTR - ) -> InterpResult<'tcx, Scalar> { + path_op: &OpTy<'tcx>, // LPCTSTR + ) -> InterpResult<'tcx, Scalar> { // ^ Returns BOOL (i32 on Windows) let this = self.eval_context_mut(); @@ -211,10 +208,10 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { #[allow(non_snake_case)] fn GetUserProfileDirectoryW( &mut self, - token: &OpTy<'tcx, Provenance>, // HANDLE - buf: &OpTy<'tcx, Provenance>, // LPWSTR - size: &OpTy<'tcx, Provenance>, // LPDWORD - ) -> InterpResult<'tcx, Scalar> // returns BOOL + token: &OpTy<'tcx>, // HANDLE + buf: &OpTy<'tcx>, // LPWSTR + size: &OpTy<'tcx>, // LPDWORD + ) -> InterpResult<'tcx, Scalar> // returns BOOL { let this = self.eval_context_mut(); this.assert_target_os("windows", "GetUserProfileDirectoryW"); diff --git a/src/tools/miri/src/shims/windows/foreign_items.rs b/src/tools/miri/src/shims/windows/foreign_items.rs index a60c2a337cfc..bfa14bcb5fad 100644 --- a/src/tools/miri/src/shims/windows/foreign_items.rs +++ b/src/tools/miri/src/shims/windows/foreign_items.rs @@ -82,8 +82,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, link_name: Symbol, abi: Abi, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, EmulateItemResult> { let this = self.eval_context_mut(); diff --git a/src/tools/miri/src/shims/windows/handle.rs b/src/tools/miri/src/shims/windows/handle.rs index 3e274a5b8028..58c8683ff277 100644 --- a/src/tools/miri/src/shims/windows/handle.rs +++ b/src/tools/miri/src/shims/windows/handle.rs @@ -119,7 +119,7 @@ impl Handle { Self::new(discriminant, data) } - pub fn to_scalar(self, cx: &impl HasDataLayout) -> Scalar { + pub fn to_scalar(self, cx: &impl HasDataLayout) -> Scalar { // 64-bit handles are sign extended 32-bit handles // see https://docs.microsoft.com/en-us/windows/win32/winprog64/interprocess-communication #[allow(clippy::cast_possible_wrap)] // we want it to wrap @@ -128,7 +128,7 @@ impl Handle { } pub fn from_scalar<'tcx>( - handle: Scalar, + handle: Scalar, cx: &impl HasDataLayout, ) -> InterpResult<'tcx, Option> { let sign_extended_handle = handle.to_target_isize(cx)?; @@ -155,7 +155,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { ))) } - fn CloseHandle(&mut self, handle_op: &OpTy<'tcx, Provenance>) -> InterpResult<'tcx> { + fn CloseHandle(&mut self, handle_op: &OpTy<'tcx>) -> InterpResult<'tcx> { let this = self.eval_context_mut(); let handle = this.read_scalar(handle_op)?; diff --git a/src/tools/miri/src/shims/windows/sync.rs b/src/tools/miri/src/shims/windows/sync.rs index d5fe15b401bc..e77986dd5fe0 100644 --- a/src/tools/miri/src/shims/windows/sync.rs +++ b/src/tools/miri/src/shims/windows/sync.rs @@ -10,10 +10,7 @@ trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { // Windows sync primitives are pointer sized. // We only use the first 4 bytes for the id. - fn init_once_get_id( - &mut self, - init_once_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, InitOnceId> { + fn init_once_get_id(&mut self, init_once_op: &OpTy<'tcx>) -> InterpResult<'tcx, InitOnceId> { let this = self.eval_context_mut(); this.init_once_get_or_create_id(init_once_op, this.windows_ty_layout("INIT_ONCE"), 0) } @@ -22,8 +19,8 @@ trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> { fn init_once_try_begin( &mut self, id: InitOnceId, - pending_place: &MPlaceTy<'tcx, Provenance>, - dest: &MPlaceTy<'tcx, Provenance>, + pending_place: &MPlaceTy<'tcx>, + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, bool> { let this = self.eval_context_mut(); Ok(match this.init_once_status(id) { @@ -49,11 +46,11 @@ impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn InitOnceBeginInitialize( &mut self, - init_once_op: &OpTy<'tcx, Provenance>, - flags_op: &OpTy<'tcx, Provenance>, - pending_op: &OpTy<'tcx, Provenance>, - context_op: &OpTy<'tcx, Provenance>, - dest: &MPlaceTy<'tcx, Provenance>, + init_once_op: &OpTy<'tcx>, + flags_op: &OpTy<'tcx>, + pending_op: &OpTy<'tcx>, + context_op: &OpTy<'tcx>, + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx> { let this = self.eval_context_mut(); @@ -82,8 +79,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { callback!( @capture<'tcx> { id: InitOnceId, - pending_place: MPlaceTy<'tcx, Provenance>, - dest: MPlaceTy<'tcx, Provenance>, + pending_place: MPlaceTy<'tcx>, + dest: MPlaceTy<'tcx>, } @unblock = |this| { let ret = this.init_once_try_begin(id, &pending_place, &dest)?; @@ -97,10 +94,10 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn InitOnceComplete( &mut self, - init_once_op: &OpTy<'tcx, Provenance>, - flags_op: &OpTy<'tcx, Provenance>, - context_op: &OpTy<'tcx, Provenance>, - ) -> InterpResult<'tcx, Scalar> { + init_once_op: &OpTy<'tcx>, + flags_op: &OpTy<'tcx>, + context_op: &OpTy<'tcx>, + ) -> InterpResult<'tcx, Scalar> { let this = self.eval_context_mut(); let id = this.init_once_get_id(init_once_op)?; @@ -137,11 +134,11 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn WaitOnAddress( &mut self, - ptr_op: &OpTy<'tcx, Provenance>, - compare_op: &OpTy<'tcx, Provenance>, - size_op: &OpTy<'tcx, Provenance>, - timeout_op: &OpTy<'tcx, Provenance>, - dest: &MPlaceTy<'tcx, Provenance>, + ptr_op: &OpTy<'tcx>, + compare_op: &OpTy<'tcx>, + size_op: &OpTy<'tcx>, + timeout_op: &OpTy<'tcx>, + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx> { let this = self.eval_context_mut(); @@ -193,7 +190,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { Ok(()) } - fn WakeByAddressSingle(&mut self, ptr_op: &OpTy<'tcx, Provenance>) -> InterpResult<'tcx> { + fn WakeByAddressSingle(&mut self, ptr_op: &OpTy<'tcx>) -> InterpResult<'tcx> { let this = self.eval_context_mut(); let ptr = this.read_pointer(ptr_op)?; @@ -206,7 +203,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { Ok(()) } - fn WakeByAddressAll(&mut self, ptr_op: &OpTy<'tcx, Provenance>) -> InterpResult<'tcx> { + fn WakeByAddressAll(&mut self, ptr_op: &OpTy<'tcx>) -> InterpResult<'tcx> { let this = self.eval_context_mut(); let ptr = this.read_pointer(ptr_op)?; diff --git a/src/tools/miri/src/shims/windows/thread.rs b/src/tools/miri/src/shims/windows/thread.rs index a9ef03d14ae4..f3ddf6072af1 100644 --- a/src/tools/miri/src/shims/windows/thread.rs +++ b/src/tools/miri/src/shims/windows/thread.rs @@ -10,12 +10,12 @@ impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn CreateThread( &mut self, - security_op: &OpTy<'tcx, Provenance>, - stacksize_op: &OpTy<'tcx, Provenance>, - start_op: &OpTy<'tcx, Provenance>, - arg_op: &OpTy<'tcx, Provenance>, - flags_op: &OpTy<'tcx, Provenance>, - thread_op: &OpTy<'tcx, Provenance>, + security_op: &OpTy<'tcx>, + stacksize_op: &OpTy<'tcx>, + start_op: &OpTy<'tcx>, + arg_op: &OpTy<'tcx>, + flags_op: &OpTy<'tcx>, + thread_op: &OpTy<'tcx>, ) -> InterpResult<'tcx, ThreadId> { let this = self.eval_context_mut(); @@ -57,8 +57,8 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn WaitForSingleObject( &mut self, - handle_op: &OpTy<'tcx, Provenance>, - timeout_op: &OpTy<'tcx, Provenance>, + handle_op: &OpTy<'tcx>, + timeout_op: &OpTy<'tcx>, ) -> InterpResult<'tcx, u32> { let this = self.eval_context_mut(); diff --git a/src/tools/miri/src/shims/x86/aesni.rs b/src/tools/miri/src/shims/x86/aesni.rs index e7164d665113..e4e1531157a4 100644 --- a/src/tools/miri/src/shims/x86/aesni.rs +++ b/src/tools/miri/src/shims/x86/aesni.rs @@ -11,8 +11,8 @@ pub(super) trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, link_name: Symbol, abi: Abi, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, EmulateItemResult> { let this = self.eval_context_mut(); this.expect_target_feature_for_intrinsic(link_name, "aes")?; @@ -133,9 +133,9 @@ pub(super) trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { // `state` with the corresponding 128-bit key of `key`. fn aes_round<'tcx>( this: &mut crate::MiriInterpCx<'tcx>, - state: &OpTy<'tcx, Provenance>, - key: &OpTy<'tcx, Provenance>, - dest: &MPlaceTy<'tcx, Provenance>, + state: &OpTy<'tcx>, + key: &OpTy<'tcx>, + dest: &MPlaceTy<'tcx>, f: impl Fn(u128, u128) -> u128, ) -> InterpResult<'tcx, ()> { assert_eq!(dest.layout.size, state.layout.size); diff --git a/src/tools/miri/src/shims/x86/avx.rs b/src/tools/miri/src/shims/x86/avx.rs index 1a912f6ff5d7..07d737e06635 100644 --- a/src/tools/miri/src/shims/x86/avx.rs +++ b/src/tools/miri/src/shims/x86/avx.rs @@ -18,8 +18,8 @@ pub(super) trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, link_name: Symbol, abi: Abi, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, EmulateItemResult> { let this = self.eval_context_mut(); this.expect_target_feature_for_intrinsic(link_name, "avx")?; diff --git a/src/tools/miri/src/shims/x86/avx2.rs b/src/tools/miri/src/shims/x86/avx2.rs index 9b50da79edd2..016c525e57b4 100644 --- a/src/tools/miri/src/shims/x86/avx2.rs +++ b/src/tools/miri/src/shims/x86/avx2.rs @@ -16,8 +16,8 @@ pub(super) trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, link_name: Symbol, abi: Abi, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, EmulateItemResult> { let this = self.eval_context_mut(); this.expect_target_feature_for_intrinsic(link_name, "avx2")?; diff --git a/src/tools/miri/src/shims/x86/mod.rs b/src/tools/miri/src/shims/x86/mod.rs index b5951e9e895b..7c40f3de54da 100644 --- a/src/tools/miri/src/shims/x86/mod.rs +++ b/src/tools/miri/src/shims/x86/mod.rs @@ -26,8 +26,8 @@ pub(super) trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, link_name: Symbol, abi: Abi, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, EmulateItemResult> { let this = self.eval_context_mut(); // Prefix should have already been checked. @@ -244,9 +244,9 @@ impl FloatBinOp { fn bin_op_float<'tcx, F: rustc_apfloat::Float>( this: &crate::MiriInterpCx<'tcx>, which: FloatBinOp, - left: &ImmTy<'tcx, Provenance>, - right: &ImmTy<'tcx, Provenance>, -) -> InterpResult<'tcx, Scalar> { + left: &ImmTy<'tcx>, + right: &ImmTy<'tcx>, +) -> InterpResult<'tcx, Scalar> { match which { FloatBinOp::Arith(which) => { let res = this.binary_op(which, left, right)?; @@ -306,9 +306,9 @@ fn bin_op_float<'tcx, F: rustc_apfloat::Float>( fn bin_op_simd_float_first<'tcx, F: rustc_apfloat::Float>( this: &mut crate::MiriInterpCx<'tcx>, which: FloatBinOp, - left: &OpTy<'tcx, Provenance>, - right: &OpTy<'tcx, Provenance>, - dest: &MPlaceTy<'tcx, Provenance>, + left: &OpTy<'tcx>, + right: &OpTy<'tcx>, + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, ()> { let (left, left_len) = this.operand_to_simd(left)?; let (right, right_len) = this.operand_to_simd(right)?; @@ -337,9 +337,9 @@ fn bin_op_simd_float_first<'tcx, F: rustc_apfloat::Float>( fn bin_op_simd_float_all<'tcx, F: rustc_apfloat::Float>( this: &mut crate::MiriInterpCx<'tcx>, which: FloatBinOp, - left: &OpTy<'tcx, Provenance>, - right: &OpTy<'tcx, Provenance>, - dest: &MPlaceTy<'tcx, Provenance>, + left: &OpTy<'tcx>, + right: &OpTy<'tcx>, + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, ()> { let (left, left_len) = this.operand_to_simd(left)?; let (right, right_len) = this.operand_to_simd(right)?; @@ -384,8 +384,8 @@ enum FloatUnaryOp { fn unary_op_f32<'tcx>( this: &mut crate::MiriInterpCx<'tcx>, which: FloatUnaryOp, - op: &ImmTy<'tcx, Provenance>, -) -> InterpResult<'tcx, Scalar> { + op: &ImmTy<'tcx>, +) -> InterpResult<'tcx, Scalar> { match which { FloatUnaryOp::Sqrt => { let op = op.to_scalar(); @@ -435,8 +435,8 @@ fn apply_random_float_error( fn unary_op_ss<'tcx>( this: &mut crate::MiriInterpCx<'tcx>, which: FloatUnaryOp, - op: &OpTy<'tcx, Provenance>, - dest: &MPlaceTy<'tcx, Provenance>, + op: &OpTy<'tcx>, + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, ()> { let (op, op_len) = this.operand_to_simd(op)?; let (dest, dest_len) = this.mplace_to_simd(dest)?; @@ -458,8 +458,8 @@ fn unary_op_ss<'tcx>( fn unary_op_ps<'tcx>( this: &mut crate::MiriInterpCx<'tcx>, which: FloatUnaryOp, - op: &OpTy<'tcx, Provenance>, - dest: &MPlaceTy<'tcx, Provenance>, + op: &OpTy<'tcx>, + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, ()> { let (op, op_len) = this.operand_to_simd(op)?; let (dest, dest_len) = this.mplace_to_simd(dest)?; @@ -494,10 +494,10 @@ enum ShiftOp { /// bit is copied to all bits. fn shift_simd_by_scalar<'tcx>( this: &mut crate::MiriInterpCx<'tcx>, - left: &OpTy<'tcx, Provenance>, - right: &OpTy<'tcx, Provenance>, + left: &OpTy<'tcx>, + right: &OpTy<'tcx>, which: ShiftOp, - dest: &MPlaceTy<'tcx, Provenance>, + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, ()> { let (left, left_len) = this.operand_to_simd(left)?; let (dest, dest_len) = this.mplace_to_simd(dest)?; @@ -550,10 +550,10 @@ fn shift_simd_by_scalar<'tcx>( /// bit is copied to all bits. fn shift_simd_by_simd<'tcx>( this: &mut crate::MiriInterpCx<'tcx>, - left: &OpTy<'tcx, Provenance>, - right: &OpTy<'tcx, Provenance>, + left: &OpTy<'tcx>, + right: &OpTy<'tcx>, which: ShiftOp, - dest: &MPlaceTy<'tcx, Provenance>, + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, ()> { let (left, left_len) = this.operand_to_simd(left)?; let (right, right_len) = this.operand_to_simd(right)?; @@ -602,7 +602,7 @@ fn shift_simd_by_simd<'tcx>( /// the first value. fn extract_first_u64<'tcx>( this: &crate::MiriInterpCx<'tcx>, - op: &OpTy<'tcx, Provenance>, + op: &OpTy<'tcx>, ) -> InterpResult<'tcx, u64> { // Transmute vector to `[u64; 2]` let array_layout = this.layout_of(Ty::new_array(this.tcx.tcx, this.tcx.types.u64, 2))?; @@ -616,10 +616,10 @@ fn extract_first_u64<'tcx>( // and copies the remaining elements from `left`. fn round_first<'tcx, F: rustc_apfloat::Float>( this: &mut crate::MiriInterpCx<'tcx>, - left: &OpTy<'tcx, Provenance>, - right: &OpTy<'tcx, Provenance>, - rounding: &OpTy<'tcx, Provenance>, - dest: &MPlaceTy<'tcx, Provenance>, + left: &OpTy<'tcx>, + right: &OpTy<'tcx>, + rounding: &OpTy<'tcx>, + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, ()> { let (left, left_len) = this.operand_to_simd(left)?; let (right, right_len) = this.operand_to_simd(right)?; @@ -647,9 +647,9 @@ fn round_first<'tcx, F: rustc_apfloat::Float>( // Rounds all elements of `op` according to `rounding`. fn round_all<'tcx, F: rustc_apfloat::Float>( this: &mut crate::MiriInterpCx<'tcx>, - op: &OpTy<'tcx, Provenance>, - rounding: &OpTy<'tcx, Provenance>, - dest: &MPlaceTy<'tcx, Provenance>, + op: &OpTy<'tcx>, + rounding: &OpTy<'tcx>, + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, ()> { let (op, op_len) = this.operand_to_simd(op)?; let (dest, dest_len) = this.mplace_to_simd(dest)?; @@ -699,9 +699,9 @@ fn rounding_from_imm<'tcx>(rounding: i32) -> InterpResult<'tcx, rustc_apfloat::R /// has less elements than `dest`, the rest is filled with zeros. fn convert_float_to_int<'tcx>( this: &mut crate::MiriInterpCx<'tcx>, - op: &OpTy<'tcx, Provenance>, + op: &OpTy<'tcx>, rnd: rustc_apfloat::Round, - dest: &MPlaceTy<'tcx, Provenance>, + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, ()> { let (op, op_len) = this.operand_to_simd(op)?; let (dest, dest_len) = this.mplace_to_simd(dest)?; @@ -734,8 +734,8 @@ fn convert_float_to_int<'tcx>( /// will wrap around. fn int_abs<'tcx>( this: &mut crate::MiriInterpCx<'tcx>, - op: &OpTy<'tcx, Provenance>, - dest: &MPlaceTy<'tcx, Provenance>, + op: &OpTy<'tcx>, + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, ()> { let (op, op_len) = this.operand_to_simd(op)?; let (dest, dest_len) = this.mplace_to_simd(dest)?; @@ -802,9 +802,9 @@ fn horizontal_bin_op<'tcx>( this: &mut crate::MiriInterpCx<'tcx>, which: mir::BinOp, saturating: bool, - left: &OpTy<'tcx, Provenance>, - right: &OpTy<'tcx, Provenance>, - dest: &MPlaceTy<'tcx, Provenance>, + left: &OpTy<'tcx>, + right: &OpTy<'tcx>, + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, ()> { assert_eq!(left.layout, dest.layout); assert_eq!(right.layout, dest.layout); @@ -853,10 +853,10 @@ fn horizontal_bin_op<'tcx>( /// 128-bit blocks of `left` and `right`). fn conditional_dot_product<'tcx>( this: &mut crate::MiriInterpCx<'tcx>, - left: &OpTy<'tcx, Provenance>, - right: &OpTy<'tcx, Provenance>, - imm: &OpTy<'tcx, Provenance>, - dest: &MPlaceTy<'tcx, Provenance>, + left: &OpTy<'tcx>, + right: &OpTy<'tcx>, + imm: &OpTy<'tcx>, + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, ()> { assert_eq!(left.layout, dest.layout); assert_eq!(right.layout, dest.layout); @@ -911,8 +911,8 @@ fn conditional_dot_product<'tcx>( /// The second is true when `(op & mask) == mask` fn test_bits_masked<'tcx>( this: &crate::MiriInterpCx<'tcx>, - op: &OpTy<'tcx, Provenance>, - mask: &OpTy<'tcx, Provenance>, + op: &OpTy<'tcx>, + mask: &OpTy<'tcx>, ) -> InterpResult<'tcx, (bool, bool)> { assert_eq!(op.layout, mask.layout); @@ -942,8 +942,8 @@ fn test_bits_masked<'tcx>( /// The second is true when the highest bit of each element of `!op & mask` is zero. fn test_high_bits_masked<'tcx>( this: &crate::MiriInterpCx<'tcx>, - op: &OpTy<'tcx, Provenance>, - mask: &OpTy<'tcx, Provenance>, + op: &OpTy<'tcx>, + mask: &OpTy<'tcx>, ) -> InterpResult<'tcx, (bool, bool)> { assert_eq!(op.layout, mask.layout); @@ -973,9 +973,9 @@ fn test_high_bits_masked<'tcx>( /// element of `mask`. `ptr` does not need to be aligned. fn mask_load<'tcx>( this: &mut crate::MiriInterpCx<'tcx>, - ptr: &OpTy<'tcx, Provenance>, - mask: &OpTy<'tcx, Provenance>, - dest: &MPlaceTy<'tcx, Provenance>, + ptr: &OpTy<'tcx>, + mask: &OpTy<'tcx>, + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, ()> { let (mask, mask_len) = this.operand_to_simd(mask)?; let (dest, dest_len) = this.mplace_to_simd(dest)?; @@ -1006,9 +1006,9 @@ fn mask_load<'tcx>( /// element of `mask`. `ptr` does not need to be aligned. fn mask_store<'tcx>( this: &mut crate::MiriInterpCx<'tcx>, - ptr: &OpTy<'tcx, Provenance>, - mask: &OpTy<'tcx, Provenance>, - value: &OpTy<'tcx, Provenance>, + ptr: &OpTy<'tcx>, + mask: &OpTy<'tcx>, + value: &OpTy<'tcx>, ) -> InterpResult<'tcx, ()> { let (mask, mask_len) = this.operand_to_simd(mask)?; let (value, value_len) = this.operand_to_simd(value)?; @@ -1046,10 +1046,10 @@ fn mask_store<'tcx>( /// 128-bit chunks of `left` and `right`). fn mpsadbw<'tcx>( this: &mut crate::MiriInterpCx<'tcx>, - left: &OpTy<'tcx, Provenance>, - right: &OpTy<'tcx, Provenance>, - imm: &OpTy<'tcx, Provenance>, - dest: &MPlaceTy<'tcx, Provenance>, + left: &OpTy<'tcx>, + right: &OpTy<'tcx>, + imm: &OpTy<'tcx>, + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, ()> { assert_eq!(left.layout, right.layout); assert_eq!(left.layout.size, dest.layout.size); @@ -1103,9 +1103,9 @@ fn mpsadbw<'tcx>( /// fn pmulhrsw<'tcx>( this: &mut crate::MiriInterpCx<'tcx>, - left: &OpTy<'tcx, Provenance>, - right: &OpTy<'tcx, Provenance>, - dest: &MPlaceTy<'tcx, Provenance>, + left: &OpTy<'tcx>, + right: &OpTy<'tcx>, + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, ()> { let (left, left_len) = this.operand_to_simd(left)?; let (right, right_len) = this.operand_to_simd(right)?; @@ -1142,10 +1142,10 @@ fn pmulhrsw<'tcx>( /// 128-bit chunks of `left` and `right`). fn pack_generic<'tcx>( this: &mut crate::MiriInterpCx<'tcx>, - left: &OpTy<'tcx, Provenance>, - right: &OpTy<'tcx, Provenance>, - dest: &MPlaceTy<'tcx, Provenance>, - f: impl Fn(Scalar) -> InterpResult<'tcx, Scalar>, + left: &OpTy<'tcx>, + right: &OpTy<'tcx>, + dest: &MPlaceTy<'tcx>, + f: impl Fn(Scalar) -> InterpResult<'tcx, Scalar>, ) -> InterpResult<'tcx, ()> { assert_eq!(left.layout, right.layout); assert_eq!(left.layout.size, dest.layout.size); @@ -1187,9 +1187,9 @@ fn pack_generic<'tcx>( /// 128-bit chunks of `left` and `right`). fn packsswb<'tcx>( this: &mut crate::MiriInterpCx<'tcx>, - left: &OpTy<'tcx, Provenance>, - right: &OpTy<'tcx, Provenance>, - dest: &MPlaceTy<'tcx, Provenance>, + left: &OpTy<'tcx>, + right: &OpTy<'tcx>, + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, ()> { pack_generic(this, left, right, dest, |op| { let op = op.to_i16()?; @@ -1206,9 +1206,9 @@ fn packsswb<'tcx>( /// 128-bit chunks of `left` and `right`). fn packuswb<'tcx>( this: &mut crate::MiriInterpCx<'tcx>, - left: &OpTy<'tcx, Provenance>, - right: &OpTy<'tcx, Provenance>, - dest: &MPlaceTy<'tcx, Provenance>, + left: &OpTy<'tcx>, + right: &OpTy<'tcx>, + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, ()> { pack_generic(this, left, right, dest, |op| { let op = op.to_i16()?; @@ -1225,9 +1225,9 @@ fn packuswb<'tcx>( /// 128-bit chunks of `left` and `right`). fn packssdw<'tcx>( this: &mut crate::MiriInterpCx<'tcx>, - left: &OpTy<'tcx, Provenance>, - right: &OpTy<'tcx, Provenance>, - dest: &MPlaceTy<'tcx, Provenance>, + left: &OpTy<'tcx>, + right: &OpTy<'tcx>, + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, ()> { pack_generic(this, left, right, dest, |op| { let op = op.to_i32()?; @@ -1244,9 +1244,9 @@ fn packssdw<'tcx>( /// 128-bit chunks of `left` and `right`). fn packusdw<'tcx>( this: &mut crate::MiriInterpCx<'tcx>, - left: &OpTy<'tcx, Provenance>, - right: &OpTy<'tcx, Provenance>, - dest: &MPlaceTy<'tcx, Provenance>, + left: &OpTy<'tcx>, + right: &OpTy<'tcx>, + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, ()> { pack_generic(this, left, right, dest, |op| { let op = op.to_i32()?; @@ -1261,9 +1261,9 @@ fn packusdw<'tcx>( /// In other words, multiplies `left` with `right.signum()`. fn psign<'tcx>( this: &mut crate::MiriInterpCx<'tcx>, - left: &OpTy<'tcx, Provenance>, - right: &OpTy<'tcx, Provenance>, - dest: &MPlaceTy<'tcx, Provenance>, + left: &OpTy<'tcx>, + right: &OpTy<'tcx>, + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, ()> { let (left, left_len) = this.operand_to_simd(left)?; let (right, right_len) = this.operand_to_simd(right)?; diff --git a/src/tools/miri/src/shims/x86/sse.rs b/src/tools/miri/src/shims/x86/sse.rs index 16c070818200..32e8e8a66c13 100644 --- a/src/tools/miri/src/shims/x86/sse.rs +++ b/src/tools/miri/src/shims/x86/sse.rs @@ -15,8 +15,8 @@ pub(super) trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, link_name: Symbol, abi: Abi, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, EmulateItemResult> { let this = self.eval_context_mut(); this.expect_target_feature_for_intrinsic(link_name, "sse")?; diff --git a/src/tools/miri/src/shims/x86/sse2.rs b/src/tools/miri/src/shims/x86/sse2.rs index f8b512e7981c..e10047fefe6a 100644 --- a/src/tools/miri/src/shims/x86/sse2.rs +++ b/src/tools/miri/src/shims/x86/sse2.rs @@ -14,8 +14,8 @@ pub(super) trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, link_name: Symbol, abi: Abi, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, EmulateItemResult> { let this = self.eval_context_mut(); this.expect_target_feature_for_intrinsic(link_name, "sse2")?; diff --git a/src/tools/miri/src/shims/x86/sse3.rs b/src/tools/miri/src/shims/x86/sse3.rs index 58d27ef8f721..ef5a55d6eb28 100644 --- a/src/tools/miri/src/shims/x86/sse3.rs +++ b/src/tools/miri/src/shims/x86/sse3.rs @@ -11,8 +11,8 @@ pub(super) trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, link_name: Symbol, abi: Abi, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, EmulateItemResult> { let this = self.eval_context_mut(); this.expect_target_feature_for_intrinsic(link_name, "sse3")?; diff --git a/src/tools/miri/src/shims/x86/sse41.rs b/src/tools/miri/src/shims/x86/sse41.rs index 79f885ed0948..9e048fb9eb84 100644 --- a/src/tools/miri/src/shims/x86/sse41.rs +++ b/src/tools/miri/src/shims/x86/sse41.rs @@ -10,8 +10,8 @@ pub(super) trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, link_name: Symbol, abi: Abi, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, EmulateItemResult> { let this = self.eval_context_mut(); this.expect_target_feature_for_intrinsic(link_name, "sse4.1")?; diff --git a/src/tools/miri/src/shims/x86/ssse3.rs b/src/tools/miri/src/shims/x86/ssse3.rs index 2bb9a8dec690..6a815e4cea3c 100644 --- a/src/tools/miri/src/shims/x86/ssse3.rs +++ b/src/tools/miri/src/shims/x86/ssse3.rs @@ -11,8 +11,8 @@ pub(super) trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, link_name: Symbol, abi: Abi, - args: &[OpTy<'tcx, Provenance>], - dest: &MPlaceTy<'tcx, Provenance>, + args: &[OpTy<'tcx>], + dest: &MPlaceTy<'tcx>, ) -> InterpResult<'tcx, EmulateItemResult> { let this = self.eval_context_mut(); this.expect_target_feature_for_intrinsic(link_name, "ssse3")?; From e5d100363ad5bb72037d56093f794de4e10a99bf Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Matthias=20Kr=C3=BCger?= Date: Sat, 25 May 2024 12:05:49 +0200 Subject: [PATCH 0609/1716] crashes: increment the number of tracked ones --- tests/crashes/123255.rs | 13 +++++++++++++ tests/crashes/123276.rs | 25 +++++++++++++++++++++++++ tests/crashes/123887.rs | 15 +++++++++++++++ tests/crashes/125013-1.rs | 5 +++++ tests/crashes/125013-2.rs | 16 ++++++++++++++++ tests/crashes/125014.rs | 17 +++++++++++++++++ tests/crashes/125059.rs | 12 ++++++++++++ tests/crashes/125323.rs | 6 ++++++ tests/crashes/125370.rs | 16 ++++++++++++++++ tests/crashes/125432.rs | 17 +++++++++++++++++ tests/crashes/125476.rs | 3 +++ tests/crashes/125512.rs | 10 ++++++++++ tests/crashes/125520.rs | 16 ++++++++++++++++ 13 files changed, 171 insertions(+) create mode 100644 tests/crashes/123255.rs create mode 100644 tests/crashes/123276.rs create mode 100644 tests/crashes/123887.rs create mode 100644 tests/crashes/125013-1.rs create mode 100644 tests/crashes/125013-2.rs create mode 100644 tests/crashes/125014.rs create mode 100644 tests/crashes/125059.rs create mode 100644 tests/crashes/125323.rs create mode 100644 tests/crashes/125370.rs create mode 100644 tests/crashes/125432.rs create mode 100644 tests/crashes/125476.rs create mode 100644 tests/crashes/125512.rs create mode 100644 tests/crashes/125520.rs diff --git a/tests/crashes/123255.rs b/tests/crashes/123255.rs new file mode 100644 index 000000000000..a94a2a0422e7 --- /dev/null +++ b/tests/crashes/123255.rs @@ -0,0 +1,13 @@ +//@ known-bug: rust-lang/rust#123255 +//@ edition:2021 +#![crate_type = "lib"] + +pub fn a() {} + +mod handlers { + pub struct C(&()); + pub fn c() -> impl Fn() -> C { + let a1 = (); + || C((crate::a(), a1).into()) + } +} diff --git a/tests/crashes/123276.rs b/tests/crashes/123276.rs new file mode 100644 index 000000000000..d2246f595838 --- /dev/null +++ b/tests/crashes/123276.rs @@ -0,0 +1,25 @@ +//@ known-bug: rust-lang/rust#123276 +//@ edition:2021 + +async fn create_task() { + _ = Some(async { bind(documentation_filter()) }); +} + +async fn bind>(_: F) {} + +fn documentation_filter() -> impl Filter { + AndThen +} + +trait Filter { + type Future; +} + +struct AndThen; + +impl Filter for AndThen +where + Foo: Filter, +{ + type Future = (); +} diff --git a/tests/crashes/123887.rs b/tests/crashes/123887.rs new file mode 100644 index 000000000000..68e2fb0325c3 --- /dev/null +++ b/tests/crashes/123887.rs @@ -0,0 +1,15 @@ +//@ known-bug: rust-lang/rust#123887 +//@ compile-flags: -Clink-dead-code + +#![feature(extern_types)] +#![feature(unsized_fn_params)] + +extern "C" { + pub type ExternType; +} + +impl ExternType { + pub fn f(self) {} +} + +pub fn main() {} diff --git a/tests/crashes/125013-1.rs b/tests/crashes/125013-1.rs new file mode 100644 index 000000000000..ae66d7a14669 --- /dev/null +++ b/tests/crashes/125013-1.rs @@ -0,0 +1,5 @@ +//@ known-bug: rust-lang/rust#125013 +//@ edition:2021 +use io::{self as std}; +use std::ops::Deref::{self as io}; +pub fn main() {} diff --git a/tests/crashes/125013-2.rs b/tests/crashes/125013-2.rs new file mode 100644 index 000000000000..a14c8a76b63e --- /dev/null +++ b/tests/crashes/125013-2.rs @@ -0,0 +1,16 @@ +//@ known-bug: rust-lang/rust#125013 +//@ edition:2021 +mod a { + pub mod b { + pub mod c { + pub trait D {} + } + } +} + +use a::*; + +use e as b; +use b::c::D as e; + +fn main() { } diff --git a/tests/crashes/125014.rs b/tests/crashes/125014.rs new file mode 100644 index 000000000000..b29042ee5983 --- /dev/null +++ b/tests/crashes/125014.rs @@ -0,0 +1,17 @@ +//@ known-bug: rust-lang/rust#125014 +//@ compile-flags: -Znext-solver=coherence +#![feature(specialization)] + +trait Foo {} + +impl Foo for ::Output {} + +impl Foo for u32 {} + +trait Assoc { + type Output; +} +impl Output for u32 {} +impl Assoc for ::Output { + default type Output = bool; +} diff --git a/tests/crashes/125059.rs b/tests/crashes/125059.rs new file mode 100644 index 000000000000..7e9f7414816e --- /dev/null +++ b/tests/crashes/125059.rs @@ -0,0 +1,12 @@ +//@ known-bug: rust-lang/rust#125059 +#![feature(deref_patterns)] +#![allow(incomplete_features)] + +fn simple_vec(vec: Vec) -> u32 { + (|| match Vec::::new() { + deref!([]) => 100, + _ => 2000, + })() +} + +fn main() {} diff --git a/tests/crashes/125323.rs b/tests/crashes/125323.rs new file mode 100644 index 000000000000..180b7bbad097 --- /dev/null +++ b/tests/crashes/125323.rs @@ -0,0 +1,6 @@ +//@ known-bug: rust-lang/rust#125323 +fn main() { + for _ in 0..0 { + [(); loop {}]; + } +} diff --git a/tests/crashes/125370.rs b/tests/crashes/125370.rs new file mode 100644 index 000000000000..8640d88a5d7f --- /dev/null +++ b/tests/crashes/125370.rs @@ -0,0 +1,16 @@ +//@ known-bug: rust-lang/rust#125370 + +type Field3 = i64; + +#[repr(C)] +union DummyUnion { + field3: Field3, +} + +const UNION: DummyUnion = loop {}; + +const fn read_field2() -> Field2 { + const FIELD2: Field2 = loop { + UNION.field3 + }; +} diff --git a/tests/crashes/125432.rs b/tests/crashes/125432.rs new file mode 100644 index 000000000000..659bb3ce21de --- /dev/null +++ b/tests/crashes/125432.rs @@ -0,0 +1,17 @@ +//@ known-bug: rust-lang/rust#125432 + +fn separate_arms() { + // Here both arms perform assignments, but only one is illegal. + + let mut x = None; + match x { + None => { + // It is ok to reassign x here, because there is in + // fact no outstanding loan of x! + x = Some(0); + } + Some(right) => consume(right), + } +} + +fn main() {} diff --git a/tests/crashes/125476.rs b/tests/crashes/125476.rs new file mode 100644 index 000000000000..c6cb4db7d231 --- /dev/null +++ b/tests/crashes/125476.rs @@ -0,0 +1,3 @@ +//@ known-bug: rust-lang/rust#125476 +pub struct Data([u8; usize::MAX >> 16]); +const _: &'static [Data] = &[]; diff --git a/tests/crashes/125512.rs b/tests/crashes/125512.rs new file mode 100644 index 000000000000..1672b24a1143 --- /dev/null +++ b/tests/crashes/125512.rs @@ -0,0 +1,10 @@ +//@ known-bug: rust-lang/rust#125512 +//@ edition:2021 +#![feature(object_safe_for_dispatch)] +trait B { + fn f(a: A) -> A; +} +trait A { + fn concrete(b: B) -> B; +} +fn main() {} diff --git a/tests/crashes/125520.rs b/tests/crashes/125520.rs new file mode 100644 index 000000000000..c6756053c210 --- /dev/null +++ b/tests/crashes/125520.rs @@ -0,0 +1,16 @@ +//@ known-bug: #125520 +#![feature(generic_const_exprs)] + +struct Outer(); +impl Outer +where + [(); A + (B * 2)]:, +{ + fn i() -> Self { + Self + } +} + +fn main() { + Outer::<1, 1>::o(); +} From 98a3ac9e6d762a49d1dc8de106f2b98655e2da51 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Mon, 27 May 2024 17:39:45 +0200 Subject: [PATCH 0610/1716] also add type aliases for the pointer types --- src/tools/miri/src/alloc_addresses/mod.rs | 13 +++--- src/tools/miri/src/borrow_tracker/mod.rs | 2 +- .../src/borrow_tracker/stacked_borrows/mod.rs | 6 +-- .../src/borrow_tracker/tree_borrows/mod.rs | 6 +-- src/tools/miri/src/concurrency/data_race.rs | 8 ++-- src/tools/miri/src/concurrency/thread.rs | 45 +++++++++---------- src/tools/miri/src/diagnostics.rs | 4 +- src/tools/miri/src/helpers.rs | 19 ++++---- src/tools/miri/src/lib.rs | 2 + src/tools/miri/src/machine.rs | 42 +++++++---------- src/tools/miri/src/provenance_gc.rs | 4 +- src/tools/miri/src/shims/alloc.rs | 16 ++----- src/tools/miri/src/shims/os_str.rs | 42 +++++++---------- src/tools/miri/src/shims/panic.rs | 2 +- src/tools/miri/src/shims/time.rs | 2 +- src/tools/miri/src/shims/unix/env.rs | 20 ++++----- src/tools/miri/src/shims/unix/fd.rs | 14 +----- src/tools/miri/src/shims/unix/fs.rs | 4 +- src/tools/miri/src/shims/windows/env.rs | 2 +- 19 files changed, 105 insertions(+), 148 deletions(-) diff --git a/src/tools/miri/src/alloc_addresses/mod.rs b/src/tools/miri/src/alloc_addresses/mod.rs index 002e10620610..ae95d28d3eb6 100644 --- a/src/tools/miri/src/alloc_addresses/mod.rs +++ b/src/tools/miri/src/alloc_addresses/mod.rs @@ -257,7 +257,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { Ok(()) } - fn ptr_from_addr_cast(&self, addr: u64) -> InterpResult<'tcx, Pointer>> { + fn ptr_from_addr_cast(&self, addr: u64) -> InterpResult<'tcx, Pointer> { trace!("Casting {:#x} to a pointer", addr); let ecx = self.eval_context_ref(); @@ -297,10 +297,10 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// Convert a relative (tcx) pointer to a Miri pointer. fn adjust_alloc_root_pointer( &self, - ptr: Pointer, + ptr: interpret::Pointer, tag: BorTag, kind: MemoryKind, - ) -> InterpResult<'tcx, Pointer> { + ) -> InterpResult<'tcx, interpret::Pointer> { let ecx = self.eval_context_ref(); let (prov, offset) = ptr.into_parts(); // offset is relative (AllocId provenance) @@ -310,12 +310,15 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { // Add offset with the right kind of pointer-overflowing arithmetic. let dl = ecx.data_layout(); let absolute_addr = dl.overflowing_offset(base_addr, offset.bytes()).0; - Ok(Pointer::new(Provenance::Concrete { alloc_id, tag }, Size::from_bytes(absolute_addr))) + Ok(interpret::Pointer::new( + Provenance::Concrete { alloc_id, tag }, + Size::from_bytes(absolute_addr), + )) } /// When a pointer is used for a memory access, this computes where in which allocation the /// access is going. - fn ptr_get_alloc(&self, ptr: Pointer) -> Option<(AllocId, Size)> { + fn ptr_get_alloc(&self, ptr: interpret::Pointer) -> Option<(AllocId, Size)> { let ecx = self.eval_context_ref(); let (tag, addr) = ptr.into_parts(); // addr is absolute (Tag provenance) diff --git a/src/tools/miri/src/borrow_tracker/mod.rs b/src/tools/miri/src/borrow_tracker/mod.rs index 1b84ecc76860..c9e7e300593b 100644 --- a/src/tools/miri/src/borrow_tracker/mod.rs +++ b/src/tools/miri/src/borrow_tracker/mod.rs @@ -324,7 +324,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn give_pointer_debug_name( &mut self, - ptr: Pointer>, + ptr: Pointer, nth_parent: u8, name: &str, ) -> InterpResult<'tcx> { diff --git a/src/tools/miri/src/borrow_tracker/stacked_borrows/mod.rs b/src/tools/miri/src/borrow_tracker/stacked_borrows/mod.rs index 5af2eeeec06e..603733f9dc00 100644 --- a/src/tools/miri/src/borrow_tracker/stacked_borrows/mod.rs +++ b/src/tools/miri/src/borrow_tracker/stacked_borrows/mod.rs @@ -531,7 +531,7 @@ impl Stacks { trace!( "read access with tag {:?}: {:?}, size {}", tag, - Pointer::new(alloc_id, range.start), + interpret::Pointer::new(alloc_id, range.start), range.size.bytes() ); let dcx = DiagnosticCxBuilder::read(machine, tag, range); @@ -552,7 +552,7 @@ impl Stacks { trace!( "write access with tag {:?}: {:?}, size {}", tag, - Pointer::new(alloc_id, range.start), + interpret::Pointer::new(alloc_id, range.start), range.size.bytes() ); let dcx = DiagnosticCxBuilder::write(machine, tag, range); @@ -692,7 +692,7 @@ trait EvalContextPrivExt<'tcx, 'ecx>: crate::MiriInterpCxExt<'tcx> { new_tag, orig_tag, place.layout.ty, - Pointer::new(alloc_id, base_offset), + interpret::Pointer::new(alloc_id, base_offset), size.bytes() ); diff --git a/src/tools/miri/src/borrow_tracker/tree_borrows/mod.rs b/src/tools/miri/src/borrow_tracker/tree_borrows/mod.rs index a5867ff24a0c..77e003ab8a78 100644 --- a/src/tools/miri/src/borrow_tracker/tree_borrows/mod.rs +++ b/src/tools/miri/src/borrow_tracker/tree_borrows/mod.rs @@ -56,7 +56,7 @@ impl<'tcx> Tree { "{} with tag {:?}: {:?}, size {}", access_kind, prov, - Pointer::new(alloc_id, range.start), + interpret::Pointer::new(alloc_id, range.start), range.size.bytes(), ); // TODO: for now we bail out on wildcard pointers. Eventually we should @@ -258,7 +258,7 @@ trait EvalContextPrivExt<'tcx>: crate::MiriInterpCxExt<'tcx> { new_tag, orig_tag, place.layout.ty, - Pointer::new(alloc_id, base_offset), + interpret::Pointer::new(alloc_id, base_offset), ptr_size.bytes() ); @@ -574,7 +574,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// of `ptr` (with 0 representing `ptr` itself) fn tb_give_pointer_debug_name( &mut self, - ptr: Pointer>, + ptr: Pointer, nth_parent: u8, name: &str, ) -> InterpResult<'tcx> { diff --git a/src/tools/miri/src/concurrency/data_race.rs b/src/tools/miri/src/concurrency/data_race.rs index caf74bc70e4a..2baa09bec168 100644 --- a/src/tools/miri/src/concurrency/data_race.rs +++ b/src/tools/miri/src/concurrency/data_race.rs @@ -948,7 +948,7 @@ impl VClockAlloc { mem_clocks: &MemoryCellClocks, access: AccessType, access_size: Size, - ptr_dbg: Pointer, + ptr_dbg: interpret::Pointer, ty: Option>, ) -> InterpResult<'tcx> { let (active_index, active_clocks) = global.active_thread_state(thread_mgr); @@ -1063,7 +1063,7 @@ impl VClockAlloc { mem_clocks, AccessType::NaRead(read_type), access_range.size, - Pointer::new(alloc_id, Size::from_bytes(mem_clocks_range.start)), + interpret::Pointer::new(alloc_id, Size::from_bytes(mem_clocks_range.start)), ty, ); } @@ -1108,7 +1108,7 @@ impl VClockAlloc { mem_clocks, AccessType::NaWrite(write_type), access_range.size, - Pointer::new(alloc_id, Size::from_bytes(mem_clocks_range.start)), + interpret::Pointer::new(alloc_id, Size::from_bytes(mem_clocks_range.start)), ty, ); } @@ -1337,7 +1337,7 @@ trait EvalContextPrivExt<'tcx>: MiriInterpCxExt<'tcx> { mem_clocks, access, place.layout.size, - Pointer::new( + interpret::Pointer::new( alloc_id, Size::from_bytes(mem_clocks_range.start), ), diff --git a/src/tools/miri/src/concurrency/thread.rs b/src/tools/miri/src/concurrency/thread.rs index 16fb69f3c5f2..da3aafb54e66 100644 --- a/src/tools/miri/src/concurrency/thread.rs +++ b/src/tools/miri/src/concurrency/thread.rs @@ -432,9 +432,8 @@ pub struct ThreadManager<'tcx> { /// /// Note that this vector also contains terminated threads. threads: IndexVec>, - /// A mapping from a thread-local static to an allocation id of a thread - /// specific allocation. - thread_local_alloc_ids: FxHashMap<(DefId, ThreadId), Pointer>, + /// A mapping from a thread-local static to the thread specific allocation. + thread_local_allocs: FxHashMap<(DefId, ThreadId), StrictPointer>, /// A flag that indicates that we should change the active thread. yield_active_thread: bool, } @@ -443,7 +442,7 @@ impl VisitProvenance for ThreadManager<'_> { fn visit_provenance(&self, visit: &mut VisitWith<'_>) { let ThreadManager { threads, - thread_local_alloc_ids, + thread_local_allocs, active_thread: _, yield_active_thread: _, } = self; @@ -451,7 +450,7 @@ impl VisitProvenance for ThreadManager<'_> { for thread in threads { thread.visit_provenance(visit); } - for ptr in thread_local_alloc_ids.values() { + for ptr in thread_local_allocs.values() { ptr.visit_provenance(visit); } } @@ -465,7 +464,7 @@ impl<'tcx> Default for ThreadManager<'tcx> { Self { active_thread: ThreadId::MAIN_THREAD, threads, - thread_local_alloc_ids: Default::default(), + thread_local_allocs: Default::default(), yield_active_thread: false, } } @@ -487,16 +486,16 @@ impl<'tcx> ThreadManager<'tcx> { /// Check if we have an allocation for the given thread local static for the /// active thread. - fn get_thread_local_alloc_id(&self, def_id: DefId) -> Option> { - self.thread_local_alloc_ids.get(&(def_id, self.active_thread)).cloned() + fn get_thread_local_alloc_id(&self, def_id: DefId) -> Option { + self.thread_local_allocs.get(&(def_id, self.active_thread)).cloned() } /// Set the pointer for the allocation of the given thread local /// static for the active thread. /// /// Panics if a thread local is initialized twice for the same thread. - fn set_thread_local_alloc(&mut self, def_id: DefId, ptr: Pointer) { - self.thread_local_alloc_ids.try_insert((def_id, self.active_thread), ptr).unwrap(); + fn set_thread_local_alloc(&mut self, def_id: DefId, ptr: StrictPointer) { + self.thread_local_allocs.try_insert((def_id, self.active_thread), ptr).unwrap(); } /// Borrow the stack of the active thread. @@ -848,7 +847,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn get_or_create_thread_local_alloc( &mut self, def_id: DefId, - ) -> InterpResult<'tcx, Pointer> { + ) -> InterpResult<'tcx, StrictPointer> { let this = self.eval_context_mut(); let tcx = this.tcx; if let Some(old_alloc) = this.machine.threads.get_thread_local_alloc_id(def_id) { @@ -878,7 +877,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn start_regular_thread( &mut self, thread: Option>, - start_routine: Pointer>, + start_routine: Pointer, start_abi: Abi, func_arg: ImmTy<'tcx>, ret_layout: TyAndLayout<'tcx>, @@ -947,18 +946,16 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let gone_thread = this.active_thread(); { let mut free_tls_statics = Vec::new(); - this.machine.threads.thread_local_alloc_ids.retain( - |&(_def_id, thread), &mut alloc_id| { - if thread != gone_thread { - // A different thread, keep this static around. - return true; - } - // Delete this static from the map and from memory. - // We cannot free directly here as we cannot use `?` in this context. - free_tls_statics.push(alloc_id); - false - }, - ); + this.machine.threads.thread_local_allocs.retain(|&(_def_id, thread), &mut alloc_id| { + if thread != gone_thread { + // A different thread, keep this static around. + return true; + } + // Delete this static from the map and from memory. + // We cannot free directly here as we cannot use `?` in this context. + free_tls_statics.push(alloc_id); + false + }); // Now free the TLS statics. for ptr in free_tls_statics { match tls_alloc_action { diff --git a/src/tools/miri/src/diagnostics.rs b/src/tools/miri/src/diagnostics.rs index d55f21d74efc..14e29aa423d8 100644 --- a/src/tools/miri/src/diagnostics.rs +++ b/src/tools/miri/src/diagnostics.rs @@ -42,7 +42,7 @@ pub enum TerminationInfo { }, DataRace { involves_non_atomic: bool, - ptr: Pointer, + ptr: interpret::Pointer, op1: RacingOp, op2: RacingOp, extra: Option<&'static str>, @@ -128,7 +128,7 @@ pub enum NonHaltingDiagnostic { details: bool, }, WeakMemoryOutdatedLoad { - ptr: Pointer>, + ptr: Pointer, }, } diff --git a/src/tools/miri/src/helpers.rs b/src/tools/miri/src/helpers.rs index 6d860f6661a3..c17886c242fc 100644 --- a/src/tools/miri/src/helpers.rs +++ b/src/tools/miri/src/helpers.rs @@ -413,12 +413,12 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } /// Test if this pointer equals 0. - fn ptr_is_null(&self, ptr: Pointer>) -> InterpResult<'tcx, bool> { + fn ptr_is_null(&self, ptr: Pointer) -> InterpResult<'tcx, bool> { Ok(ptr.addr().bytes() == 0) } /// Generate some random bytes, and write them to `dest`. - fn gen_random(&mut self, ptr: Pointer>, len: u64) -> InterpResult<'tcx> { + fn gen_random(&mut self, ptr: Pointer, len: u64) -> InterpResult<'tcx> { // Some programs pass in a null pointer and a length of 0 // to their platform's random-generation function (e.g. getrandom()) // on Linux. For compatibility with these programs, we don't perform @@ -520,8 +520,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { let mut cur_addr = start_addr; // Called when we detected an `UnsafeCell` at the given offset and size. // Calls `action` and advances `cur_ptr`. - let mut unsafe_cell_action = |unsafe_cell_ptr: &Pointer>, - unsafe_cell_size: Size| { + let mut unsafe_cell_action = |unsafe_cell_ptr: &Pointer, unsafe_cell_size: Size| { // We assume that we are given the fields in increasing offset order, // and nothing else changes. let unsafe_cell_addr = unsafe_cell_ptr.addr(); @@ -924,7 +923,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } /// Read a sequence of bytes until the first null terminator. - fn read_c_str<'a>(&'a self, ptr: Pointer>) -> InterpResult<'tcx, &'a [u8]> + fn read_c_str<'a>(&'a self, ptr: Pointer) -> InterpResult<'tcx, &'a [u8]> where 'tcx: 'a, { @@ -957,7 +956,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn write_c_str( &mut self, c_str: &[u8], - ptr: Pointer>, + ptr: Pointer, size: u64, ) -> InterpResult<'tcx, (bool, u64)> { // If `size` is smaller or equal than `bytes.len()`, writing `bytes` plus the required null @@ -976,7 +975,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// until the first null terminator. fn read_c_str_with_char_size( &self, - mut ptr: Pointer>, + mut ptr: Pointer, size: Size, align: Align, ) -> InterpResult<'tcx, Vec> @@ -1008,7 +1007,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } /// Read a sequence of u16 until the first null terminator. - fn read_wide_str(&self, ptr: Pointer>) -> InterpResult<'tcx, Vec> { + fn read_wide_str(&self, ptr: Pointer) -> InterpResult<'tcx, Vec> { self.read_c_str_with_char_size(ptr, Size::from_bytes(2), Align::from_bytes(2).unwrap()) } @@ -1021,7 +1020,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn write_wide_str( &mut self, wide_str: &[u16], - ptr: Pointer>, + ptr: Pointer, size: u64, ) -> InterpResult<'tcx, (bool, u64)> { // If `size` is smaller or equal than `bytes.len()`, writing `bytes` plus the required @@ -1046,7 +1045,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// Read a sequence of wchar_t until the first null terminator. /// Always returns a `Vec` no matter the size of `wchar_t`. - fn read_wchar_t_str(&self, ptr: Pointer>) -> InterpResult<'tcx, Vec> { + fn read_wchar_t_str(&self, ptr: Pointer) -> InterpResult<'tcx, Vec> { let this = self.eval_context_ref(); let wchar_t = this.libc_ty_layout("wchar_t"); self.read_c_str_with_char_size(ptr, wchar_t.size, wchar_t.align.abi) diff --git a/src/tools/miri/src/lib.rs b/src/tools/miri/src/lib.rs index 0e79fef564ee..94aed0645fa4 100644 --- a/src/tools/miri/src/lib.rs +++ b/src/tools/miri/src/lib.rs @@ -100,6 +100,8 @@ pub use rustc_const_eval::interpret::*; pub use rustc_const_eval::interpret::{self, AllocMap, Provenance as _}; // Type aliases that set the provenance parameter. +pub type Pointer = interpret::Pointer>; +pub type StrictPointer = interpret::Pointer; pub type Scalar = interpret::Scalar; pub type ImmTy<'tcx> = interpret::ImmTy<'tcx, machine::Provenance>; pub type OpTy<'tcx> = interpret::OpTy<'tcx, machine::Provenance>; diff --git a/src/tools/miri/src/machine.rs b/src/tools/miri/src/machine.rs index 1dc11054935f..70f326af8aef 100644 --- a/src/tools/miri/src/machine.rs +++ b/src/tools/miri/src/machine.rs @@ -241,10 +241,10 @@ pub enum ProvenanceExtra { } #[cfg(target_pointer_width = "64")] -static_assert_size!(Pointer, 24); +static_assert_size!(StrictPointer, 24); // FIXME: this would with in 24bytes but layout optimizations are not smart enough // #[cfg(target_pointer_width = "64")] -//static_assert_size!(Pointer>, 24); +//static_assert_size!(Pointer, 24); #[cfg(target_pointer_width = "64")] static_assert_size!(Scalar, 32); @@ -270,7 +270,7 @@ impl fmt::Debug for Provenance { } impl interpret::Provenance for Provenance { - /// We use absolute addresses in the `offset` of a `Pointer`. + /// We use absolute addresses in the `offset` of a `StrictPointer`. const OFFSET_IS_ADDR: bool = true; fn get_alloc_id(self) -> Option { @@ -280,7 +280,7 @@ impl interpret::Provenance for Provenance { } } - fn fmt(ptr: &Pointer, f: &mut fmt::Formatter<'_>) -> fmt::Result { + fn fmt(ptr: &interpret::Pointer, f: &mut fmt::Formatter<'_>) -> fmt::Result { let (prov, addr) = ptr.into_parts(); // address is absolute write!(f, "{:#x}", addr.bytes())?; if f.alternate() { @@ -447,9 +447,9 @@ pub struct MiriMachine<'tcx> { /// Program arguments (`Option` because we can only initialize them after creating the ecx). /// These are *pointers* to argc/argv because macOS. /// We also need the full command line as one string because of Windows. - pub(crate) argc: Option>>, - pub(crate) argv: Option>>, - pub(crate) cmd_line: Option>>, + pub(crate) argc: Option, + pub(crate) argv: Option, + pub(crate) cmd_line: Option, /// TLS state. pub(crate) tls: TlsData<'tcx>, @@ -504,7 +504,7 @@ pub struct MiriMachine<'tcx> { pub(crate) local_crates: Vec, /// Mapping extern static names to their pointer. - extern_statics: FxHashMap>, + extern_statics: FxHashMap, /// The random number generator used for resolving non-determinism. /// Needs to be queried by ptr_to_int, hence needs interior mutability. @@ -716,11 +716,7 @@ impl<'tcx> MiriMachine<'tcx> { Ok(()) } - pub(crate) fn add_extern_static( - this: &mut MiriInterpCx<'tcx>, - name: &str, - ptr: Pointer>, - ) { + pub(crate) fn add_extern_static(this: &mut MiriInterpCx<'tcx>, name: &str, ptr: Pointer) { // This got just allocated, so there definitely is a pointer here. let ptr = ptr.into_pointer_or_addr().unwrap(); this.machine.extern_statics.try_insert(Symbol::intern(name), ptr).unwrap(); @@ -1047,14 +1043,14 @@ impl<'tcx> Machine<'tcx> for MiriMachine<'tcx> { fn thread_local_static_pointer( ecx: &mut MiriInterpCx<'tcx>, def_id: DefId, - ) -> InterpResult<'tcx, Pointer> { + ) -> InterpResult<'tcx, StrictPointer> { ecx.get_or_create_thread_local_alloc(def_id) } fn extern_static_pointer( ecx: &MiriInterpCx<'tcx>, def_id: DefId, - ) -> InterpResult<'tcx, Pointer> { + ) -> InterpResult<'tcx, StrictPointer> { let link_name = ecx.item_link_name(def_id); if let Some(&ptr) = ecx.machine.extern_statics.get(&link_name) { // Various parts of the engine rely on `get_alloc_info` for size and alignment @@ -1153,9 +1149,9 @@ impl<'tcx> Machine<'tcx> for MiriMachine<'tcx> { fn adjust_alloc_root_pointer( ecx: &MiriInterpCx<'tcx>, - ptr: Pointer, + ptr: interpret::Pointer, kind: Option, - ) -> InterpResult<'tcx, Pointer> { + ) -> InterpResult<'tcx, interpret::Pointer> { let kind = kind.expect("we set our GLOBAL_KIND so this cannot be None"); let alloc_id = ptr.provenance.alloc_id(); if cfg!(debug_assertions) { @@ -1182,20 +1178,14 @@ impl<'tcx> Machine<'tcx> for MiriMachine<'tcx> { /// Called on `usize as ptr` casts. #[inline(always)] - fn ptr_from_addr_cast( - ecx: &MiriInterpCx<'tcx>, - addr: u64, - ) -> InterpResult<'tcx, Pointer>> { + fn ptr_from_addr_cast(ecx: &MiriInterpCx<'tcx>, addr: u64) -> InterpResult<'tcx, Pointer> { ecx.ptr_from_addr_cast(addr) } /// Called on `ptr as usize` casts. /// (Actually computing the resulting `usize` doesn't need machine help, /// that's just `Scalar::try_to_int`.) - fn expose_ptr( - ecx: &mut InterpCx<'tcx, Self>, - ptr: Pointer, - ) -> InterpResult<'tcx> { + fn expose_ptr(ecx: &mut InterpCx<'tcx, Self>, ptr: StrictPointer) -> InterpResult<'tcx> { match ptr.provenance { Provenance::Concrete { alloc_id, tag } => ecx.expose_ptr(alloc_id, tag), Provenance::Wildcard => { @@ -1216,7 +1206,7 @@ impl<'tcx> Machine<'tcx> for MiriMachine<'tcx> { /// stored in machine state). fn ptr_get_alloc( ecx: &MiriInterpCx<'tcx>, - ptr: Pointer, + ptr: StrictPointer, ) -> Option<(AllocId, Size, Self::ProvenanceExtra)> { let rel = ecx.ptr_get_alloc(ptr); diff --git a/src/tools/miri/src/provenance_gc.rs b/src/tools/miri/src/provenance_gc.rs index 67190d3849bf..af980ca48197 100644 --- a/src/tools/miri/src/provenance_gc.rs +++ b/src/tools/miri/src/provenance_gc.rs @@ -56,14 +56,14 @@ impl VisitProvenance for Provenance { } } -impl VisitProvenance for Pointer { +impl VisitProvenance for StrictPointer { fn visit_provenance(&self, visit: &mut VisitWith<'_>) { let (prov, _offset) = self.into_parts(); prov.visit_provenance(visit); } } -impl VisitProvenance for Pointer> { +impl VisitProvenance for Pointer { fn visit_provenance(&self, visit: &mut VisitWith<'_>) { let (prov, _offset) = self.into_parts(); prov.visit_provenance(visit); diff --git a/src/tools/miri/src/shims/alloc.rs b/src/tools/miri/src/shims/alloc.rs index d1e5dca0bef0..7b0c54d763e4 100644 --- a/src/tools/miri/src/shims/alloc.rs +++ b/src/tools/miri/src/shims/alloc.rs @@ -92,11 +92,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } } - fn malloc( - &mut self, - size: u64, - zero_init: bool, - ) -> InterpResult<'tcx, Pointer>> { + fn malloc(&mut self, size: u64, zero_init: bool) -> InterpResult<'tcx, Pointer> { let this = self.eval_context_mut(); let align = this.malloc_align(size); let ptr = this.allocate_ptr(Size::from_bytes(size), align, MiriMemoryKind::C.into())?; @@ -137,7 +133,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } } - fn free(&mut self, ptr: Pointer>) -> InterpResult<'tcx> { + fn free(&mut self, ptr: Pointer) -> InterpResult<'tcx> { let this = self.eval_context_mut(); if !this.ptr_is_null(ptr)? { this.deallocate_ptr(ptr, None, MiriMemoryKind::C.into())?; @@ -145,11 +141,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { Ok(()) } - fn realloc( - &mut self, - old_ptr: Pointer>, - new_size: u64, - ) -> InterpResult<'tcx, Pointer>> { + fn realloc(&mut self, old_ptr: Pointer, new_size: u64) -> InterpResult<'tcx, Pointer> { let this = self.eval_context_mut(); let new_align = this.malloc_align(new_size); if this.ptr_is_null(old_ptr)? { @@ -177,7 +169,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, align: &OpTy<'tcx>, size: &OpTy<'tcx>, - ) -> InterpResult<'tcx, Pointer>> { + ) -> InterpResult<'tcx, Pointer> { let this = self.eval_context_mut(); let align = this.read_target_usize(align)?; let size = this.read_target_usize(size)?; diff --git a/src/tools/miri/src/shims/os_str.rs b/src/tools/miri/src/shims/os_str.rs index c00e4384bab4..68eca5a3a0ff 100644 --- a/src/tools/miri/src/shims/os_str.rs +++ b/src/tools/miri/src/shims/os_str.rs @@ -34,10 +34,7 @@ impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// Helper function to read an OsString from a null-terminated sequence of bytes, which is what /// the Unix APIs usually handle. - fn read_os_str_from_c_str<'a>( - &'a self, - ptr: Pointer>, - ) -> InterpResult<'tcx, &'a OsStr> + fn read_os_str_from_c_str<'a>(&'a self, ptr: Pointer) -> InterpResult<'tcx, &'a OsStr> where 'tcx: 'a, { @@ -48,10 +45,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { /// Helper function to read an OsString from a 0x0000-terminated sequence of u16, /// which is what the Windows APIs usually handle. - fn read_os_str_from_wide_str<'a>( - &'a self, - ptr: Pointer>, - ) -> InterpResult<'tcx, OsString> + fn read_os_str_from_wide_str<'a>(&'a self, ptr: Pointer) -> InterpResult<'tcx, OsString> where 'tcx: 'a, { @@ -76,7 +70,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn write_os_str_to_c_str( &mut self, os_str: &OsStr, - ptr: Pointer>, + ptr: Pointer, size: u64, ) -> InterpResult<'tcx, (bool, u64)> { let bytes = os_str.as_encoded_bytes(); @@ -88,7 +82,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn write_os_str_to_wide_str_helper( &mut self, os_str: &OsStr, - ptr: Pointer>, + ptr: Pointer, size: u64, truncate: bool, ) -> InterpResult<'tcx, (bool, u64)> { @@ -125,7 +119,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn write_os_str_to_wide_str( &mut self, os_str: &OsStr, - ptr: Pointer>, + ptr: Pointer, size: u64, ) -> InterpResult<'tcx, (bool, u64)> { self.write_os_str_to_wide_str_helper(os_str, ptr, size, /*truncate*/ false) @@ -136,7 +130,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn write_os_str_to_wide_str_truncated( &mut self, os_str: &OsStr, - ptr: Pointer>, + ptr: Pointer, size: u64, ) -> InterpResult<'tcx, (bool, u64)> { self.write_os_str_to_wide_str_helper(os_str, ptr, size, /*truncate*/ true) @@ -147,7 +141,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, os_str: &OsStr, memkind: MemoryKind, - ) -> InterpResult<'tcx, Pointer>> { + ) -> InterpResult<'tcx, Pointer> { let size = u64::try_from(os_str.len()).unwrap().checked_add(1).unwrap(); // Make space for `0` terminator. let this = self.eval_context_mut(); @@ -163,7 +157,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, os_str: &OsStr, memkind: MemoryKind, - ) -> InterpResult<'tcx, Pointer>> { + ) -> InterpResult<'tcx, Pointer> { let size = u64::try_from(os_str.len()).unwrap().checked_add(1).unwrap(); // Make space for `0x0000` terminator. let this = self.eval_context_mut(); @@ -175,10 +169,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } /// Read a null-terminated sequence of bytes, and perform path separator conversion if needed. - fn read_path_from_c_str<'a>( - &'a self, - ptr: Pointer>, - ) -> InterpResult<'tcx, Cow<'a, Path>> + fn read_path_from_c_str<'a>(&'a self, ptr: Pointer) -> InterpResult<'tcx, Cow<'a, Path>> where 'tcx: 'a, { @@ -192,10 +183,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } /// Read a null-terminated sequence of `u16`s, and perform path separator conversion if needed. - fn read_path_from_wide_str( - &self, - ptr: Pointer>, - ) -> InterpResult<'tcx, PathBuf> { + fn read_path_from_wide_str(&self, ptr: Pointer) -> InterpResult<'tcx, PathBuf> { let this = self.eval_context_ref(); let os_str = this.read_os_str_from_wide_str(ptr)?; @@ -207,7 +195,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn write_path_to_c_str( &mut self, path: &Path, - ptr: Pointer>, + ptr: Pointer, size: u64, ) -> InterpResult<'tcx, (bool, u64)> { let this = self.eval_context_mut(); @@ -221,7 +209,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn write_path_to_wide_str( &mut self, path: &Path, - ptr: Pointer>, + ptr: Pointer, size: u64, ) -> InterpResult<'tcx, (bool, u64)> { let this = self.eval_context_mut(); @@ -235,7 +223,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { fn write_path_to_wide_str_truncated( &mut self, path: &Path, - ptr: Pointer>, + ptr: Pointer, size: u64, ) -> InterpResult<'tcx, (bool, u64)> { let this = self.eval_context_mut(); @@ -250,7 +238,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, path: &Path, memkind: MemoryKind, - ) -> InterpResult<'tcx, Pointer>> { + ) -> InterpResult<'tcx, Pointer> { let this = self.eval_context_mut(); let os_str = this.convert_path(Cow::Borrowed(path.as_os_str()), PathConversion::HostToTarget); @@ -263,7 +251,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, path: &Path, memkind: MemoryKind, - ) -> InterpResult<'tcx, Pointer>> { + ) -> InterpResult<'tcx, Pointer> { let this = self.eval_context_mut(); let os_str = this.convert_path(Cow::Borrowed(path.as_os_str()), PathConversion::HostToTarget); diff --git a/src/tools/miri/src/shims/panic.rs b/src/tools/miri/src/shims/panic.rs index 3c9c0eb5c60d..ef832f5bbbd1 100644 --- a/src/tools/miri/src/shims/panic.rs +++ b/src/tools/miri/src/shims/panic.rs @@ -23,7 +23,7 @@ use helpers::check_arg_count; #[derive(Debug)] pub struct CatchUnwindData<'tcx> { /// The `catch_fn` callback to call in case of a panic. - catch_fn: Pointer>, + catch_fn: Pointer, /// The `data` argument for that callback. data: Scalar, /// The return place from the original call to `try`. diff --git a/src/tools/miri/src/shims/time.rs b/src/tools/miri/src/shims/time.rs index 963ee1c3e627..8206b15d0a08 100644 --- a/src/tools/miri/src/shims/time.rs +++ b/src/tools/miri/src/shims/time.rs @@ -125,7 +125,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &mut self, timep: &OpTy<'tcx>, result_op: &OpTy<'tcx>, - ) -> InterpResult<'tcx, Pointer>> { + ) -> InterpResult<'tcx, Pointer> { let this = self.eval_context_mut(); this.assert_target_os_is_unix("localtime_r"); diff --git a/src/tools/miri/src/shims/unix/env.rs b/src/tools/miri/src/shims/unix/env.rs index f21207c52f55..2f78d0f42967 100644 --- a/src/tools/miri/src/shims/unix/env.rs +++ b/src/tools/miri/src/shims/unix/env.rs @@ -13,7 +13,7 @@ use crate::*; pub struct UnixEnvVars<'tcx> { /// Stores pointers to the environment variables. These variables must be stored as /// null-terminated target strings (c_str or wide_str) with the `"{name}={value}"` format. - map: FxHashMap>>, + map: FxHashMap, /// Place where the `environ` static is stored. Lazily initialized, but then never changes. environ: MPlaceTy<'tcx>, @@ -65,7 +65,7 @@ impl<'tcx> UnixEnvVars<'tcx> { Ok(()) } - pub(crate) fn environ(&self) -> Pointer> { + pub(crate) fn environ(&self) -> Pointer { self.environ.ptr() } @@ -73,7 +73,7 @@ impl<'tcx> UnixEnvVars<'tcx> { &self, ecx: &InterpCx<'tcx, MiriMachine<'tcx>>, name: &OsStr, - ) -> InterpResult<'tcx, Option>>> { + ) -> InterpResult<'tcx, Option> { // We don't care about the value as we have the `map` to keep track of everything, // but we do want to do this read so it shows up as a data race. let _vars_ptr = ecx.read_pointer(&self.environ)?; @@ -109,7 +109,7 @@ fn alloc_env_var<'tcx>( ecx: &mut InterpCx<'tcx, MiriMachine<'tcx>>, name: &OsStr, value: &OsStr, -) -> InterpResult<'tcx, Pointer>> { +) -> InterpResult<'tcx, Pointer> { let mut name_osstring = name.to_os_string(); name_osstring.push("="); name_osstring.push(value); @@ -119,8 +119,8 @@ fn alloc_env_var<'tcx>( /// Allocates an `environ` block with the given list of pointers. fn alloc_environ_block<'tcx>( ecx: &mut InterpCx<'tcx, MiriMachine<'tcx>>, - mut vars: Vec>>, -) -> InterpResult<'tcx, Pointer>> { + mut vars: Vec, +) -> InterpResult<'tcx, Pointer> { // Add trailing null. vars.push(Pointer::null()); // Make an array with all these pointers inside Miri. @@ -139,7 +139,7 @@ fn alloc_environ_block<'tcx>( impl<'tcx> EvalContextExt<'tcx> for crate::MiriInterpCx<'tcx> {} pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { - fn getenv(&mut self, name_op: &OpTy<'tcx>) -> InterpResult<'tcx, Pointer>> { + fn getenv(&mut self, name_op: &OpTy<'tcx>) -> InterpResult<'tcx, Pointer> { let this = self.eval_context_mut(); this.assert_target_os_is_unix("getenv"); @@ -206,11 +206,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } } - fn getcwd( - &mut self, - buf_op: &OpTy<'tcx>, - size_op: &OpTy<'tcx>, - ) -> InterpResult<'tcx, Pointer>> { + fn getcwd(&mut self, buf_op: &OpTy<'tcx>, size_op: &OpTy<'tcx>) -> InterpResult<'tcx, Pointer> { let this = self.eval_context_mut(); this.assert_target_os_is_unix("getcwd"); diff --git a/src/tools/miri/src/shims/unix/fd.rs b/src/tools/miri/src/shims/unix/fd.rs index 4a1a4466ddbd..b6ac841dc9f4 100644 --- a/src/tools/miri/src/shims/unix/fd.rs +++ b/src/tools/miri/src/shims/unix/fd.rs @@ -355,12 +355,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { Ok((-1).into()) } - fn read( - &mut self, - fd: i32, - buf: Pointer>, - count: u64, - ) -> InterpResult<'tcx, i64> { + fn read(&mut self, fd: i32, buf: Pointer, count: u64) -> InterpResult<'tcx, i64> { let this = self.eval_context_mut(); // Isolation check is done via `FileDescriptor` trait. @@ -409,12 +404,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } } - fn write( - &mut self, - fd: i32, - buf: Pointer>, - count: u64, - ) -> InterpResult<'tcx, i64> { + fn write(&mut self, fd: i32, buf: Pointer, count: u64) -> InterpResult<'tcx, i64> { let this = self.eval_context_mut(); // Isolation check is done via `FileDescriptor` trait. diff --git a/src/tools/miri/src/shims/unix/fs.rs b/src/tools/miri/src/shims/unix/fs.rs index 438f8b2c7e65..c8805f054ecc 100644 --- a/src/tools/miri/src/shims/unix/fs.rs +++ b/src/tools/miri/src/shims/unix/fs.rs @@ -180,7 +180,7 @@ struct OpenDir { read_dir: ReadDir, /// The most recent entry returned by readdir(). /// Will be freed by the next call. - entry: Option>>, + entry: Option, } impl OpenDir { @@ -900,7 +900,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { dirent64_layout.align.abi, MiriMemoryKind::Runtime.into(), )?; - let entry: Pointer> = entry.into(); + let entry: Pointer = entry.into(); // If the host is a Unix system, fill in the inode number with its real value. // If not, use 0 as a fallback value. diff --git a/src/tools/miri/src/shims/windows/env.rs b/src/tools/miri/src/shims/windows/env.rs index f90e5644d027..ed3eb6979863 100644 --- a/src/tools/miri/src/shims/windows/env.rs +++ b/src/tools/miri/src/shims/windows/env.rs @@ -71,7 +71,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } #[allow(non_snake_case)] - fn GetEnvironmentStringsW(&mut self) -> InterpResult<'tcx, Pointer>> { + fn GetEnvironmentStringsW(&mut self) -> InterpResult<'tcx, Pointer> { let this = self.eval_context_mut(); this.assert_target_os("windows", "GetEnvironmentStringsW"); From 7a847fc4fb6266332754af4d07acd037b51dee01 Mon Sep 17 00:00:00 2001 From: Chris Denton Date: Mon, 27 May 2024 16:35:22 +0000 Subject: [PATCH 0611/1716] Use grep to implement verify-line-endings --- src/ci/scripts/verify-line-endings.sh | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/src/ci/scripts/verify-line-endings.sh b/src/ci/scripts/verify-line-endings.sh index f3cac13ea480..5f4b4aeb0e4e 100755 --- a/src/ci/scripts/verify-line-endings.sh +++ b/src/ci/scripts/verify-line-endings.sh @@ -4,21 +4,21 @@ # We check both in rust-lang/rust and in a submodule to make sure both are # accurate. Submodules are checked out significantly later than the main # repository in this script, so settings can (and do!) change between then. -# -# Linux (and maybe macOS) builders don't currently have dos2unix so just only -# run this step on Windows. set -euo pipefail IFS=$'\n\t' source "$(cd "$(dirname "$0")" && pwd)/../shared.sh" -if isWindows; then - # print out the git configuration so we can better investigate failures in - # the following - git config --list --show-origin - dos2unix -ih Cargo.lock src/tools/rust-installer/install-template.sh - endings=$(dos2unix -ic Cargo.lock src/tools/rust-installer/install-template.sh) - # if endings has non-zero length, error out - if [ -n "$endings" ]; then exit 1 ; fi +# print out the git configuration so we can better investigate failures in +# the following +git config --list --show-origin +# -U is necessary on Windows to stop grep automatically converting the line ending +endings=$(grep -Ul $(printf '\r$') Cargo.lock src/tools/cargo/Cargo.lock) || true +# if endings has non-zero length, error out +if [[ -n $endings ]]; then + echo "Error: found DOS line endings" + # Print the files with DOS line endings + echo "$endings" + exit 1 fi From bae945201f72cf548b3b2d8cfd545812cccfae4a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Matthias=20Kr=C3=BCger?= Date: Mon, 27 May 2024 17:58:43 +0200 Subject: [PATCH 0612/1716] remove fixed crashes, add fixed crashes to tests, add new cashed found in the meantime --- tests/crashes/125370.rs | 16 --- tests/crashes/125432.rs | 17 --- tests/crashes/125476.rs | 1 + tests/crashes/125520.rs | 16 --- tests/crashes/125553.rs | 15 +++ tests/crashes/125556.rs | 14 ++ ...-125520-layout-mismatch-mulwithoverflow.rs | 27 ++++ ...520-layout-mismatch-mulwithoverflow.stderr | 125 ++++++++++++++++++ .../ui/const-generics/issues/issue-105821.rs | 2 +- 9 files changed, 183 insertions(+), 50 deletions(-) delete mode 100644 tests/crashes/125370.rs delete mode 100644 tests/crashes/125432.rs delete mode 100644 tests/crashes/125520.rs create mode 100644 tests/crashes/125553.rs create mode 100644 tests/crashes/125556.rs create mode 100644 tests/ui/const-generics/generic_const_exprs/ice-125520-layout-mismatch-mulwithoverflow.rs create mode 100644 tests/ui/const-generics/generic_const_exprs/ice-125520-layout-mismatch-mulwithoverflow.stderr diff --git a/tests/crashes/125370.rs b/tests/crashes/125370.rs deleted file mode 100644 index 8640d88a5d7f..000000000000 --- a/tests/crashes/125370.rs +++ /dev/null @@ -1,16 +0,0 @@ -//@ known-bug: rust-lang/rust#125370 - -type Field3 = i64; - -#[repr(C)] -union DummyUnion { - field3: Field3, -} - -const UNION: DummyUnion = loop {}; - -const fn read_field2() -> Field2 { - const FIELD2: Field2 = loop { - UNION.field3 - }; -} diff --git a/tests/crashes/125432.rs b/tests/crashes/125432.rs deleted file mode 100644 index 659bb3ce21de..000000000000 --- a/tests/crashes/125432.rs +++ /dev/null @@ -1,17 +0,0 @@ -//@ known-bug: rust-lang/rust#125432 - -fn separate_arms() { - // Here both arms perform assignments, but only one is illegal. - - let mut x = None; - match x { - None => { - // It is ok to reassign x here, because there is in - // fact no outstanding loan of x! - x = Some(0); - } - Some(right) => consume(right), - } -} - -fn main() {} diff --git a/tests/crashes/125476.rs b/tests/crashes/125476.rs index c6cb4db7d231..aa9a081388d9 100644 --- a/tests/crashes/125476.rs +++ b/tests/crashes/125476.rs @@ -1,3 +1,4 @@ //@ known-bug: rust-lang/rust#125476 +//@ only-x86_64 pub struct Data([u8; usize::MAX >> 16]); const _: &'static [Data] = &[]; diff --git a/tests/crashes/125520.rs b/tests/crashes/125520.rs deleted file mode 100644 index c6756053c210..000000000000 --- a/tests/crashes/125520.rs +++ /dev/null @@ -1,16 +0,0 @@ -//@ known-bug: #125520 -#![feature(generic_const_exprs)] - -struct Outer(); -impl Outer -where - [(); A + (B * 2)]:, -{ - fn i() -> Self { - Self - } -} - -fn main() { - Outer::<1, 1>::o(); -} diff --git a/tests/crashes/125553.rs b/tests/crashes/125553.rs new file mode 100644 index 000000000000..142c06775bb8 --- /dev/null +++ b/tests/crashes/125553.rs @@ -0,0 +1,15 @@ +//@ known-bug: rust-lang/rust#125553 +//@ edition:2021 + +#[derive(Copy, Clone)] +struct Foo((u32, u32)); + +fn main() { + type T = impl Copy(Copy, Clone) + let foo: T = Foo((1u32, 1u32)); + let x = move || { + let derive = move || { + let Foo((a, b)) = foo; + }; + }; +} diff --git a/tests/crashes/125556.rs b/tests/crashes/125556.rs new file mode 100644 index 000000000000..f2e2a991b11e --- /dev/null +++ b/tests/crashes/125556.rs @@ -0,0 +1,14 @@ +//@ known-bug: rust-lang/rust#125556 +//@ compile-flags: -Znext-solver=coherence + +#![feature(generic_const_exprs)] + +pub struct A {} + +impl A<2> { + pub const fn B() {} +} + +impl A<2> { + pub const fn B() {} +} diff --git a/tests/ui/const-generics/generic_const_exprs/ice-125520-layout-mismatch-mulwithoverflow.rs b/tests/ui/const-generics/generic_const_exprs/ice-125520-layout-mismatch-mulwithoverflow.rs new file mode 100644 index 000000000000..cd2dc3f4fe85 --- /dev/null +++ b/tests/ui/const-generics/generic_const_exprs/ice-125520-layout-mismatch-mulwithoverflow.rs @@ -0,0 +1,27 @@ +// issue: rust-lang/rust#125520 +#![feature(generic_const_exprs)] +//~^ WARN the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes + +struct Outer(); +impl Outer +//~^ ERROR the constant `A` is not of type `i64` +//~| ERROR the constant `B` is not of type `i64` +//~| ERROR mismatched types +//~| ERROR mismatched types +where + [(); A + (B * 2)]:, +{ + fn i() -> Self { + //~^ ERROR the constant `A` is not of type `i64` + //~| ERROR the constant `B` is not of type `i64` + Self + //~^ ERROR mismatched types + //~| ERROR the constant `A` is not of type `i64` + //~| ERROR the constant `B` is not of type `i64` + } +} + +fn main() { + Outer::<1, 1>::o(); + //~^ ERROR no function or associated item named `o` found for struct `Outer` in the current scope +} diff --git a/tests/ui/const-generics/generic_const_exprs/ice-125520-layout-mismatch-mulwithoverflow.stderr b/tests/ui/const-generics/generic_const_exprs/ice-125520-layout-mismatch-mulwithoverflow.stderr new file mode 100644 index 000000000000..2dbd69fd3bc1 --- /dev/null +++ b/tests/ui/const-generics/generic_const_exprs/ice-125520-layout-mismatch-mulwithoverflow.stderr @@ -0,0 +1,125 @@ +warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:2:12 + | +LL | #![feature(generic_const_exprs)] + | ^^^^^^^^^^^^^^^^^^^ + | + = note: see issue #76560 for more information + = note: `#[warn(incomplete_features)]` on by default + +error: the constant `A` is not of type `i64` + --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:6:38 + | +LL | impl Outer + | ^^^^^^^^^^^ expected `i64`, found `usize` + | +note: required by a bound in `Outer` + --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:5:14 + | +LL | struct Outer(); + | ^^^^^^^^^^^^ required by this bound in `Outer` + +error: the constant `B` is not of type `i64` + --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:6:38 + | +LL | impl Outer + | ^^^^^^^^^^^ expected `i64`, found `usize` + | +note: required by a bound in `Outer` + --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:5:28 + | +LL | struct Outer(); + | ^^^^^^^^^^^^ required by this bound in `Outer` + +error: the constant `A` is not of type `i64` + --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:14:15 + | +LL | fn i() -> Self { + | ^^^^ expected `i64`, found `usize` + | +note: required by a bound in `Outer` + --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:5:14 + | +LL | struct Outer(); + | ^^^^^^^^^^^^ required by this bound in `Outer` + +error: the constant `B` is not of type `i64` + --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:14:15 + | +LL | fn i() -> Self { + | ^^^^ expected `i64`, found `usize` + | +note: required by a bound in `Outer` + --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:5:28 + | +LL | struct Outer(); + | ^^^^^^^^^^^^ required by this bound in `Outer` + +error[E0308]: mismatched types + --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:17:9 + | +LL | struct Outer(); + | ---------------------------------------- `Outer` defines a struct constructor here, which should be called +... +LL | fn i() -> Self { + | ---- expected `Outer` because of return type +... +LL | Self + | ^^^^ expected `Outer`, found struct constructor + | + = note: expected struct `Outer` + found struct constructor `fn() -> Outer {Outer::}` +help: use parentheses to construct this tuple struct + | +LL | Self() + | ++ + +error: the constant `A` is not of type `i64` + --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:17:9 + | +LL | Self + | ^^^^ expected `i64`, found `usize` + | +note: required by a bound in `Outer` + --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:5:14 + | +LL | struct Outer(); + | ^^^^^^^^^^^^ required by this bound in `Outer` + +error: the constant `B` is not of type `i64` + --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:17:9 + | +LL | Self + | ^^^^ expected `i64`, found `usize` + | +note: required by a bound in `Outer` + --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:5:28 + | +LL | struct Outer(); + | ^^^^^^^^^^^^ required by this bound in `Outer` + +error[E0599]: no function or associated item named `o` found for struct `Outer` in the current scope + --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:25:20 + | +LL | struct Outer(); + | ---------------------------------------- function or associated item `o` not found for this struct +... +LL | Outer::<1, 1>::o(); + | ^ function or associated item not found in `Outer<1, 1>` + +error[E0308]: mismatched types + --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:6:44 + | +LL | impl Outer + | ^ expected `i64`, found `usize` + +error[E0308]: mismatched types + --> $DIR/ice-125520-layout-mismatch-mulwithoverflow.rs:6:47 + | +LL | impl Outer + | ^ expected `i64`, found `usize` + +error: aborting due to 10 previous errors; 1 warning emitted + +Some errors have detailed explanations: E0308, E0599. +For more information about an error, try `rustc --explain E0308`. diff --git a/tests/ui/const-generics/issues/issue-105821.rs b/tests/ui/const-generics/issues/issue-105821.rs index 282cbe9249d9..e55da461605e 100644 --- a/tests/ui/const-generics/issues/issue-105821.rs +++ b/tests/ui/const-generics/issues/issue-105821.rs @@ -1,5 +1,5 @@ //@ failure-status: 101 -//@ known-bug: unknown +//@ known-bug: rust-lang/rust#125451 //@ normalize-stderr-test "note: .*\n\n" -> "" //@ normalize-stderr-test "thread 'rustc' panicked.*\n.*\n" -> "" //@ normalize-stderr-test "(error: internal compiler error: [^:]+):\d+:\d+: " -> "$1:LL:CC: " From 4c002fce9d8421096538273c9b78db7d68529b94 Mon Sep 17 00:00:00 2001 From: Mark Rousskov Date: Sun, 17 Mar 2024 17:42:37 -0400 Subject: [PATCH 0613/1716] Omit non-needs_drop drop_in_place in vtables This replaces the drop_in_place reference with null in vtables. On librustc_driver.so, this drops about ~17k dynamic relocations from the output, since many vtables can now be placed in read-only memory, rather than having a relocated pointer included. This makes a tradeoff by adding a null check at vtable call sites. That's hard to avoid without changing the vtable format (e.g., to use a pc-relative relocation instead of an absolute address, and avoid the dynamic relocation that way). But it seems likely that the check is cheap at runtime. --- .../rustc_codegen_cranelift/src/abi/mod.rs | 16 ++ compiler/rustc_codegen_cranelift/src/base.rs | 5 +- compiler/rustc_codegen_ssa/src/meth.rs | 27 ++- compiler/rustc_codegen_ssa/src/mir/block.rs | 200 ++++++++++-------- compiler/rustc_middle/src/ty/vtable.rs | 12 +- .../partitioning/vtable-through-const.rs | 43 ++-- tests/codegen/vtable-loads.rs | 16 ++ 7 files changed, 203 insertions(+), 116 deletions(-) create mode 100644 tests/codegen/vtable-loads.rs diff --git a/compiler/rustc_codegen_cranelift/src/abi/mod.rs b/compiler/rustc_codegen_cranelift/src/abi/mod.rs index 4bcef15ad047..bd5a88769059 100644 --- a/compiler/rustc_codegen_cranelift/src/abi/mod.rs +++ b/compiler/rustc_codegen_cranelift/src/abi/mod.rs @@ -593,6 +593,7 @@ pub(crate) fn codegen_drop<'tcx>( fx: &mut FunctionCx<'_, '_, 'tcx>, source_info: mir::SourceInfo, drop_place: CPlace<'tcx>, + target: BasicBlock, ) { let ty = drop_place.layout().ty; let drop_instance = Instance::resolve_drop_in_place(fx.tcx, ty).polymorphize(fx.tcx); @@ -620,6 +621,12 @@ pub(crate) fn codegen_drop<'tcx>( let ptr = ptr.get_addr(fx); let drop_fn = crate::vtable::drop_fn_of_obj(fx, vtable); + let is_null = fx.bcx.ins().icmp_imm(IntCC::Equal, drop_fn, 0); + let target_block = fx.get_block(target); + let continued = fx.bcx.create_block(); + fx.bcx.ins().brif(is_null, target_block, &[], continued, &[]); + fx.bcx.switch_to_block(continued); + // FIXME(eddyb) perhaps move some of this logic into // `Instance::resolve_drop_in_place`? let virtual_drop = Instance { @@ -659,6 +666,12 @@ pub(crate) fn codegen_drop<'tcx>( let (data, vtable) = drop_place.to_cvalue(fx).dyn_star_force_data_on_stack(fx); let drop_fn = crate::vtable::drop_fn_of_obj(fx, vtable); + let is_null = fx.bcx.ins().icmp_imm(IntCC::Equal, drop_fn, 0); + let target_block = fx.get_block(target); + let continued = fx.bcx.create_block(); + fx.bcx.ins().brif(is_null, target_block, &[], continued, &[]); + fx.bcx.switch_to_block(continued); + let virtual_drop = Instance { def: ty::InstanceDef::Virtual(drop_instance.def_id(), 0), args: drop_instance.args, @@ -697,4 +710,7 @@ pub(crate) fn codegen_drop<'tcx>( } } } + + let target_block = fx.get_block(target); + fx.bcx.ins().jump(target_block, &[]); } diff --git a/compiler/rustc_codegen_cranelift/src/base.rs b/compiler/rustc_codegen_cranelift/src/base.rs index 8d778f736d67..c394844e6259 100644 --- a/compiler/rustc_codegen_cranelift/src/base.rs +++ b/compiler/rustc_codegen_cranelift/src/base.rs @@ -548,10 +548,7 @@ fn codegen_fn_body(fx: &mut FunctionCx<'_, '_, '_>, start_block: Block) { } TerminatorKind::Drop { place, target, unwind: _, replace: _ } => { let drop_place = codegen_place(fx, *place); - crate::abi::codegen_drop(fx, source_info, drop_place); - - let target_block = fx.get_block(*target); - fx.bcx.ins().jump(target_block, &[]); + crate::abi::codegen_drop(fx, source_info, drop_place, *target); } }; } diff --git a/compiler/rustc_codegen_ssa/src/meth.rs b/compiler/rustc_codegen_ssa/src/meth.rs index d6fc8e536b44..ddc6797388e7 100644 --- a/compiler/rustc_codegen_ssa/src/meth.rs +++ b/compiler/rustc_codegen_ssa/src/meth.rs @@ -15,12 +15,13 @@ impl<'a, 'tcx> VirtualIndex { VirtualIndex(index as u64) } - pub fn get_fn>( + fn get_fn_inner>( self, bx: &mut Bx, llvtable: Bx::Value, ty: Ty<'tcx>, fn_abi: &FnAbi<'tcx, Ty<'tcx>>, + nonnull: bool, ) -> Bx::Value { // Load the function pointer from the object. debug!("get_fn({llvtable:?}, {ty:?}, {self:?})"); @@ -41,13 +42,35 @@ impl<'a, 'tcx> VirtualIndex { } else { let gep = bx.inbounds_ptradd(llvtable, bx.const_usize(vtable_byte_offset)); let ptr = bx.load(llty, gep, ptr_align); - bx.nonnull_metadata(ptr); // VTable loads are invariant. bx.set_invariant_load(ptr); + if nonnull { + bx.nonnull_metadata(ptr); + } ptr } } + pub fn get_optional_fn>( + self, + bx: &mut Bx, + llvtable: Bx::Value, + ty: Ty<'tcx>, + fn_abi: &FnAbi<'tcx, Ty<'tcx>>, + ) -> Bx::Value { + self.get_fn_inner(bx, llvtable, ty, fn_abi, false) + } + + pub fn get_fn>( + self, + bx: &mut Bx, + llvtable: Bx::Value, + ty: Ty<'tcx>, + fn_abi: &FnAbi<'tcx, Ty<'tcx>>, + ) -> Bx::Value { + self.get_fn_inner(bx, llvtable, ty, fn_abi, true) + } + pub fn get_usize>( self, bx: &mut Bx, diff --git a/compiler/rustc_codegen_ssa/src/mir/block.rs b/compiler/rustc_codegen_ssa/src/mir/block.rs index 1cb1ba99a5ab..bd9704b37aea 100644 --- a/compiler/rustc_codegen_ssa/src/mir/block.rs +++ b/compiler/rustc_codegen_ssa/src/mir/block.rs @@ -500,6 +500,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { &mut self, helper: TerminatorCodegenHelper<'tcx>, bx: &mut Bx, + source_info: &mir::SourceInfo, location: mir::Place<'tcx>, target: mir::BasicBlock, unwind: mir::UnwindAction, @@ -523,90 +524,106 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { args1 = [place.val.llval]; &args1[..] }; - let (drop_fn, fn_abi, drop_instance) = - match ty.kind() { - // FIXME(eddyb) perhaps move some of this logic into - // `Instance::resolve_drop_in_place`? - ty::Dynamic(_, _, ty::Dyn) => { - // IN THIS ARM, WE HAVE: - // ty = *mut (dyn Trait) - // which is: exists ( *mut T, Vtable ) - // args[0] args[1] - // - // args = ( Data, Vtable ) - // | - // v - // /-------\ - // | ... | - // \-------/ - // - let virtual_drop = Instance { - def: ty::InstanceDef::Virtual(drop_fn.def_id(), 0), // idx 0: the drop function - args: drop_fn.args, - }; - debug!("ty = {:?}", ty); - debug!("drop_fn = {:?}", drop_fn); - debug!("args = {:?}", args); - let fn_abi = bx.fn_abi_of_instance(virtual_drop, ty::List::empty()); - let vtable = args[1]; - // Truncate vtable off of args list - args = &args[..1]; - ( - meth::VirtualIndex::from_index(ty::COMMON_VTABLE_ENTRIES_DROPINPLACE) - .get_fn(bx, vtable, ty, fn_abi), - fn_abi, - virtual_drop, - ) - } - ty::Dynamic(_, _, ty::DynStar) => { - // IN THIS ARM, WE HAVE: - // ty = *mut (dyn* Trait) - // which is: *mut exists (T, Vtable) - // - // args = [ * ] - // | - // v - // ( Data, Vtable ) - // | - // v - // /-------\ - // | ... | - // \-------/ - // - // - // WE CAN CONVERT THIS INTO THE ABOVE LOGIC BY DOING - // - // data = &(*args[0]).0 // gives a pointer to Data above (really the same pointer) - // vtable = (*args[0]).1 // loads the vtable out - // (data, vtable) // an equivalent Rust `*mut dyn Trait` - // - // SO THEN WE CAN USE THE ABOVE CODE. - let virtual_drop = Instance { - def: ty::InstanceDef::Virtual(drop_fn.def_id(), 0), // idx 0: the drop function - args: drop_fn.args, - }; - debug!("ty = {:?}", ty); - debug!("drop_fn = {:?}", drop_fn); - debug!("args = {:?}", args); - let fn_abi = bx.fn_abi_of_instance(virtual_drop, ty::List::empty()); - let meta_ptr = place.project_field(bx, 1); - let meta = bx.load_operand(meta_ptr); - // Truncate vtable off of args list - args = &args[..1]; - debug!("args' = {:?}", args); - ( - meth::VirtualIndex::from_index(ty::COMMON_VTABLE_ENTRIES_DROPINPLACE) - .get_fn(bx, meta.immediate(), ty, fn_abi), - fn_abi, - virtual_drop, - ) - } - _ => ( - bx.get_fn_addr(drop_fn), - bx.fn_abi_of_instance(drop_fn, ty::List::empty()), - drop_fn, - ), - }; + let (maybe_null, drop_fn, fn_abi, drop_instance) = match ty.kind() { + // FIXME(eddyb) perhaps move some of this logic into + // `Instance::resolve_drop_in_place`? + ty::Dynamic(_, _, ty::Dyn) => { + // IN THIS ARM, WE HAVE: + // ty = *mut (dyn Trait) + // which is: exists ( *mut T, Vtable ) + // args[0] args[1] + // + // args = ( Data, Vtable ) + // | + // v + // /-------\ + // | ... | + // \-------/ + // + let virtual_drop = Instance { + def: ty::InstanceDef::Virtual(drop_fn.def_id(), 0), // idx 0: the drop function + args: drop_fn.args, + }; + debug!("ty = {:?}", ty); + debug!("drop_fn = {:?}", drop_fn); + debug!("args = {:?}", args); + let fn_abi = bx.fn_abi_of_instance(virtual_drop, ty::List::empty()); + let vtable = args[1]; + // Truncate vtable off of args list + args = &args[..1]; + ( + true, + meth::VirtualIndex::from_index(ty::COMMON_VTABLE_ENTRIES_DROPINPLACE) + .get_optional_fn(bx, vtable, ty, fn_abi), + fn_abi, + virtual_drop, + ) + } + ty::Dynamic(_, _, ty::DynStar) => { + // IN THIS ARM, WE HAVE: + // ty = *mut (dyn* Trait) + // which is: *mut exists (T, Vtable) + // + // args = [ * ] + // | + // v + // ( Data, Vtable ) + // | + // v + // /-------\ + // | ... | + // \-------/ + // + // + // WE CAN CONVERT THIS INTO THE ABOVE LOGIC BY DOING + // + // data = &(*args[0]).0 // gives a pointer to Data above (really the same pointer) + // vtable = (*args[0]).1 // loads the vtable out + // (data, vtable) // an equivalent Rust `*mut dyn Trait` + // + // SO THEN WE CAN USE THE ABOVE CODE. + let virtual_drop = Instance { + def: ty::InstanceDef::Virtual(drop_fn.def_id(), 0), // idx 0: the drop function + args: drop_fn.args, + }; + debug!("ty = {:?}", ty); + debug!("drop_fn = {:?}", drop_fn); + debug!("args = {:?}", args); + let fn_abi = bx.fn_abi_of_instance(virtual_drop, ty::List::empty()); + let meta_ptr = place.project_field(bx, 1); + let meta = bx.load_operand(meta_ptr); + // Truncate vtable off of args list + args = &args[..1]; + debug!("args' = {:?}", args); + ( + true, + meth::VirtualIndex::from_index(ty::COMMON_VTABLE_ENTRIES_DROPINPLACE) + .get_optional_fn(bx, meta.immediate(), ty, fn_abi), + fn_abi, + virtual_drop, + ) + } + _ => ( + false, + bx.get_fn_addr(drop_fn), + bx.fn_abi_of_instance(drop_fn, ty::List::empty()), + drop_fn, + ), + }; + + // We generate a null check for the drop_fn. This saves a bunch of relocations being + // generated for no-op drops. + if maybe_null { + let is_not_null = bx.append_sibling_block("is_not_null"); + let llty = bx.fn_ptr_backend_type(fn_abi); + let null = bx.const_null(llty); + let non_null = + bx.icmp(base::bin_op_to_icmp_predicate(mir::BinOp::Ne, false), drop_fn, null); + bx.cond_br(non_null, is_not_null, helper.llbb_with_cleanup(self, target)); + bx.switch_to_block(is_not_null); + self.set_debug_loc(bx, *source_info); + } + helper.do_call( self, bx, @@ -617,7 +634,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { unwind, &[], Some(drop_instance), - mergeable_succ, + !maybe_null && mergeable_succ, ) } @@ -1346,9 +1363,16 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { MergingSucc::False } - mir::TerminatorKind::Drop { place, target, unwind, replace: _ } => { - self.codegen_drop_terminator(helper, bx, place, target, unwind, mergeable_succ()) - } + mir::TerminatorKind::Drop { place, target, unwind, replace: _ } => self + .codegen_drop_terminator( + helper, + bx, + &terminator.source_info, + place, + target, + unwind, + mergeable_succ(), + ), mir::TerminatorKind::Assert { ref cond, expected, ref msg, target, unwind } => self .codegen_assert_terminator( diff --git a/compiler/rustc_middle/src/ty/vtable.rs b/compiler/rustc_middle/src/ty/vtable.rs index 2ad194313100..b8371cc2bca5 100644 --- a/compiler/rustc_middle/src/ty/vtable.rs +++ b/compiler/rustc_middle/src/ty/vtable.rs @@ -84,10 +84,14 @@ pub(super) fn vtable_allocation_provider<'tcx>( let idx: u64 = u64::try_from(idx).unwrap(); let scalar = match entry { VtblEntry::MetadataDropInPlace => { - let instance = ty::Instance::resolve_drop_in_place(tcx, ty); - let fn_alloc_id = tcx.reserve_and_set_fn_alloc(instance); - let fn_ptr = Pointer::from(fn_alloc_id); - Scalar::from_pointer(fn_ptr, &tcx) + if ty.needs_drop(tcx, ty::ParamEnv::reveal_all()) { + let instance = ty::Instance::resolve_drop_in_place(tcx, ty); + let fn_alloc_id = tcx.reserve_and_set_fn_alloc(instance); + let fn_ptr = Pointer::from(fn_alloc_id); + Scalar::from_pointer(fn_ptr, &tcx) + } else { + Scalar::from_maybe_pointer(Pointer::null(), &tcx) + } } VtblEntry::MetadataSize => Scalar::from_uint(size, ptr_size), VtblEntry::MetadataAlign => Scalar::from_uint(align, ptr_size), diff --git a/tests/codegen-units/partitioning/vtable-through-const.rs b/tests/codegen-units/partitioning/vtable-through-const.rs index ca4d3822b549..f91c0c0bfdbf 100644 --- a/tests/codegen-units/partitioning/vtable-through-const.rs +++ b/tests/codegen-units/partitioning/vtable-through-const.rs @@ -9,19 +9,25 @@ #![feature(start)] mod mod1 { + struct NeedsDrop; + + impl Drop for NeedsDrop { + fn drop(&mut self) {} + } + pub trait Trait1 { fn do_something(&self) {} fn do_something_else(&self) {} } - impl Trait1 for u32 {} + impl Trait1 for NeedsDrop {} pub trait Trait1Gen { fn do_something(&self, x: T) -> T; fn do_something_else(&self, x: T) -> T; } - impl Trait1Gen for u32 { + impl Trait1Gen for NeedsDrop { fn do_something(&self, x: T) -> T { x } fn do_something_else(&self, x: T) -> T { x } } @@ -30,8 +36,8 @@ mod mod1 { fn id(x: T) -> T { x } // These are referenced, so they produce mono-items (see start()) - pub const TRAIT1_REF: &'static Trait1 = &0u32 as &Trait1; - pub const TRAIT1_GEN_REF: &'static Trait1Gen = &0u32 as &Trait1Gen; + pub const TRAIT1_REF: &'static Trait1 = &NeedsDrop as &Trait1; + pub const TRAIT1_GEN_REF: &'static Trait1Gen = &NeedsDrop as &Trait1Gen; pub const ID_CHAR: fn(char) -> char = id::; @@ -41,47 +47,48 @@ mod mod1 { fn do_something_else(&self) {} } - //~ MONO_ITEM fn ::do_something @@ vtable_through_const-mod1.volatile[Internal] - //~ MONO_ITEM fn ::do_something_else @@ vtable_through_const-mod1.volatile[Internal] - impl Trait2 for u32 {} + //~ MONO_ITEM fn ::do_something @@ vtable_through_const-mod1.volatile[Internal] + //~ MONO_ITEM fn ::do_something_else @@ vtable_through_const-mod1.volatile[Internal] + impl Trait2 for NeedsDrop {} pub trait Trait2Gen { fn do_something(&self, x: T) -> T; fn do_something_else(&self, x: T) -> T; } - impl Trait2Gen for u32 { + impl Trait2Gen for NeedsDrop { fn do_something(&self, x: T) -> T { x } fn do_something_else(&self, x: T) -> T { x } } // These are not referenced, so they do not produce mono-items - pub const TRAIT2_REF: &'static Trait2 = &0u32 as &Trait2; - pub const TRAIT2_GEN_REF: &'static Trait2Gen = &0u32 as &Trait2Gen; + pub const TRAIT2_REF: &'static Trait2 = &NeedsDrop as &Trait2; + pub const TRAIT2_GEN_REF: &'static Trait2Gen = &NeedsDrop as &Trait2Gen; pub const ID_I64: fn(i64) -> i64 = id::; } //~ MONO_ITEM fn start #[start] fn start(_: isize, _: *const *const u8) -> isize { - //~ MONO_ITEM fn std::ptr::drop_in_place:: - shim(None) @@ vtable_through_const[Internal] + //~ MONO_ITEM fn ::drop @@ vtable_through_const-fallback.cgu[Internal] + //~ MONO_ITEM fn std::ptr::drop_in_place:: - shim(Some(mod1::NeedsDrop)) @@ vtable_through_const-fallback.cgu[External] // Since Trait1::do_something() is instantiated via its default implementation, // it is considered a generic and is instantiated here only because it is // referenced in this module. - //~ MONO_ITEM fn ::do_something_else @@ vtable_through_const-mod1.volatile[External] + //~ MONO_ITEM fn ::do_something_else @@ vtable_through_const-mod1.volatile[External] // Although it is never used, Trait1::do_something_else() has to be - // instantiated locally here too, otherwise the <&u32 as &Trait1> vtable + // instantiated locally here too, otherwise the <&NeedsDrop as &Trait1> vtable // could not be fully constructed. - //~ MONO_ITEM fn ::do_something @@ vtable_through_const-mod1.volatile[External] + //~ MONO_ITEM fn ::do_something @@ vtable_through_const-mod1.volatile[External] mod1::TRAIT1_REF.do_something(); // Same as above - //~ MONO_ITEM fn >::do_something @@ vtable_through_const-mod1.volatile[External] - //~ MONO_ITEM fn >::do_something_else @@ vtable_through_const-mod1.volatile[External] - //~ MONO_ITEM fn >::do_something @@ vtable_through_const-mod1.volatile[Internal] - //~ MONO_ITEM fn >::do_something_else @@ vtable_through_const-mod1.volatile[Internal] + //~ MONO_ITEM fn >::do_something @@ vtable_through_const-mod1.volatile[External] + //~ MONO_ITEM fn >::do_something_else @@ vtable_through_const-mod1.volatile[External] + //~ MONO_ITEM fn >::do_something @@ vtable_through_const-mod1.volatile[Internal] + //~ MONO_ITEM fn >::do_something_else @@ vtable_through_const-mod1.volatile[Internal] mod1::TRAIT1_GEN_REF.do_something(0u8); //~ MONO_ITEM fn mod1::id:: @@ vtable_through_const-mod1.volatile[External] diff --git a/tests/codegen/vtable-loads.rs b/tests/codegen/vtable-loads.rs new file mode 100644 index 000000000000..1dd6ca51063b --- /dev/null +++ b/tests/codegen/vtable-loads.rs @@ -0,0 +1,16 @@ +//@ compile-flags: -O + +#![crate_type = "lib"] + +// CHECK-LABEL: @loop_skips_vtable_load +#[no_mangle] +pub fn loop_skips_vtable_load(x: &dyn Fn()) { + // CHECK: load ptr, ptr %0{{.*}}, !invariant.load + // CHECK-NEXT: tail call void %1 + // CHECK-NOT: load ptr + x(); + for _ in 0..100 { + // CHECK: tail call void %1 + x(); + } +} From 869306418d47f9755f81e1dec9749a167e98d155 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Mon, 27 May 2024 23:28:32 +0200 Subject: [PATCH 0614/1716] miri: avoid making a full copy of all new allocations --- .../src/const_eval/dummy_machine.rs | 2 +- .../src/const_eval/machine.rs | 2 +- .../src/interpret/eval_context.rs | 2 +- .../rustc_const_eval/src/interpret/machine.rs | 58 +++++++++++++------ .../rustc_const_eval/src/interpret/memory.rs | 14 +++-- .../src/mir/interpret/allocation.rs | 43 +++++++------- src/tools/miri/src/concurrency/thread.rs | 13 +++-- src/tools/miri/src/machine.rs | 43 ++++---------- 8 files changed, 92 insertions(+), 85 deletions(-) diff --git a/compiler/rustc_const_eval/src/const_eval/dummy_machine.rs b/compiler/rustc_const_eval/src/const_eval/dummy_machine.rs index 62979af8a601..9a98677a8448 100644 --- a/compiler/rustc_const_eval/src/const_eval/dummy_machine.rs +++ b/compiler/rustc_const_eval/src/const_eval/dummy_machine.rs @@ -174,7 +174,7 @@ impl<'tcx> interpret::Machine<'tcx> for DummyMachine { unimplemented!() } - fn init_frame_extra( + fn init_frame( _ecx: &mut InterpCx<'tcx, Self>, _frame: interpret::Frame<'tcx, Self::Provenance>, ) -> interpret::InterpResult<'tcx, interpret::Frame<'tcx, Self::Provenance, Self::FrameExtra>> diff --git a/compiler/rustc_const_eval/src/const_eval/machine.rs b/compiler/rustc_const_eval/src/const_eval/machine.rs index 950e7c12da2e..2c0cbc924935 100644 --- a/compiler/rustc_const_eval/src/const_eval/machine.rs +++ b/compiler/rustc_const_eval/src/const_eval/machine.rs @@ -655,7 +655,7 @@ impl<'tcx> interpret::Machine<'tcx> for CompileTimeInterpreter<'tcx> { } #[inline(always)] - fn init_frame_extra( + fn init_frame( ecx: &mut InterpCx<'tcx, Self>, frame: Frame<'tcx>, ) -> InterpResult<'tcx, Frame<'tcx>> { diff --git a/compiler/rustc_const_eval/src/interpret/eval_context.rs b/compiler/rustc_const_eval/src/interpret/eval_context.rs index 5cd50a928704..7c2100fcbe38 100644 --- a/compiler/rustc_const_eval/src/interpret/eval_context.rs +++ b/compiler/rustc_const_eval/src/interpret/eval_context.rs @@ -819,7 +819,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { tracing_span: SpanGuard::new(), extra: (), }; - let frame = M::init_frame_extra(self, pre_frame)?; + let frame = M::init_frame(self, pre_frame)?; self.stack_mut().push(frame); // Make sure all the constants required by this frame evaluate successfully (post-monomorphization check). diff --git a/compiler/rustc_const_eval/src/interpret/machine.rs b/compiler/rustc_const_eval/src/interpret/machine.rs index 5713e7bd82b3..4ae0aca5a0c0 100644 --- a/compiler/rustc_const_eval/src/interpret/machine.rs +++ b/compiler/rustc_const_eval/src/interpret/machine.rs @@ -329,27 +329,41 @@ pub trait Machine<'tcx>: Sized { ptr: Pointer, ) -> Option<(AllocId, Size, Self::ProvenanceExtra)>; - /// Called to adjust allocations to the Provenance and AllocExtra of this machine. + /// Called to adjust global allocations to the Provenance and AllocExtra of this machine. /// /// If `alloc` contains pointers, then they are all pointing to globals. /// - /// The way we construct allocations is to always first construct it without extra and then add - /// the extra. This keeps uniform code paths for handling both allocations created by CTFE for - /// globals, and allocations created by Miri during evaluation. - /// - /// `kind` is the kind of the allocation being adjusted; it can be `None` when - /// it's a global and `GLOBAL_KIND` is `None`. - /// /// This should avoid copying if no work has to be done! If this returns an owned /// allocation (because a copy had to be done to adjust things), machine memory will /// cache the result. (This relies on `AllocMap::get_or` being able to add the /// owned allocation to the map even when the map is shared.) - fn adjust_allocation<'b>( + fn adjust_global_allocation<'b>( ecx: &InterpCx<'tcx, Self>, id: AllocId, - alloc: Cow<'b, Allocation>, - kind: Option>, - ) -> InterpResult<'tcx, Cow<'b, Allocation>>; + alloc: &'b Allocation, + ) -> InterpResult<'tcx, Cow<'b, Allocation>> + { + // The default implementation does a copy; CTFE machines have a more efficient implementation + // based on their particular choice for `Provenance`, `AllocExtra`, and `Bytes`. + let kind = Self::GLOBAL_KIND + .expect("if GLOBAL_KIND is None, adjust_global_allocation must be overwritten"); + let alloc = alloc.adjust_from_tcx(&ecx.tcx, |ptr| ecx.global_root_pointer(ptr))?; + let extra = + Self::init_alloc_extra(ecx, id, MemoryKind::Machine(kind), alloc.size(), alloc.align)?; + Ok(Cow::Owned(alloc.with_extra(extra))) + } + + /// Initialize the extra state of an allocation. + /// + /// This is guaranteed to be called exactly once on all allocations that are accessed by the + /// program. + fn init_alloc_extra( + ecx: &InterpCx<'tcx, Self>, + id: AllocId, + kind: MemoryKind, + size: Size, + align: Align, + ) -> InterpResult<'tcx, Self::AllocExtra>; /// Return a "root" pointer for the given allocation: the one that is used for direct /// accesses to this static/const/fn allocation, or the one returned from the heap allocator. @@ -473,7 +487,7 @@ pub trait Machine<'tcx>: Sized { } /// Called immediately before a new stack frame gets pushed. - fn init_frame_extra( + fn init_frame( ecx: &mut InterpCx<'tcx, Self>, frame: Frame<'tcx, Self::Provenance>, ) -> InterpResult<'tcx, Frame<'tcx, Self::Provenance, Self::FrameExtra>>; @@ -590,13 +604,23 @@ pub macro compile_time_machine(<$tcx: lifetime>) { } #[inline(always)] - fn adjust_allocation<'b>( + fn adjust_global_allocation<'b>( _ecx: &InterpCx<$tcx, Self>, _id: AllocId, - alloc: Cow<'b, Allocation>, - _kind: Option>, + alloc: &'b Allocation, ) -> InterpResult<$tcx, Cow<'b, Allocation>> { - Ok(alloc) + // Overwrite default implementation: no need to adjust anything. + Ok(Cow::Borrowed(alloc)) + } + + fn init_alloc_extra( + _ecx: &InterpCx<$tcx, Self>, + _id: AllocId, + _kind: MemoryKind, + _size: Size, + _align: Align, + ) -> InterpResult<$tcx, Self::AllocExtra> { + Ok(()) } fn extern_static_pointer( diff --git a/compiler/rustc_const_eval/src/interpret/memory.rs b/compiler/rustc_const_eval/src/interpret/memory.rs index 40bbfaa92c6f..521f28b7123e 100644 --- a/compiler/rustc_const_eval/src/interpret/memory.rs +++ b/compiler/rustc_const_eval/src/interpret/memory.rs @@ -239,7 +239,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { pub fn allocate_raw_ptr( &mut self, - alloc: Allocation, + alloc: Allocation, kind: MemoryKind, ) -> InterpResult<'tcx, Pointer> { let id = self.tcx.reserve_alloc_id(); @@ -248,8 +248,11 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { M::GLOBAL_KIND.map(MemoryKind::Machine), "dynamically allocating global memory" ); - let alloc = M::adjust_allocation(self, id, Cow::Owned(alloc), Some(kind))?; - self.memory.alloc_map.insert(id, (kind, alloc.into_owned())); + // We have set things up so we don't need to call `adjust_from_tcx` here, + // so we avoid copying the entire allocation contents. + let extra = M::init_alloc_extra(self, id, kind, alloc.size(), alloc.align)?; + let alloc = alloc.with_extra(extra); + self.memory.alloc_map.insert(id, (kind, alloc)); M::adjust_alloc_root_pointer(self, Pointer::from(id), Some(kind)) } @@ -583,11 +586,10 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { }; M::before_access_global(self.tcx, &self.machine, id, alloc, def_id, is_write)?; // We got tcx memory. Let the machine initialize its "extra" stuff. - M::adjust_allocation( + M::adjust_global_allocation( self, id, // always use the ID we got as input, not the "hidden" one. - Cow::Borrowed(alloc.inner()), - M::GLOBAL_KIND.map(MemoryKind::Machine), + alloc.inner(), ) } diff --git a/compiler/rustc_middle/src/mir/interpret/allocation.rs b/compiler/rustc_middle/src/mir/interpret/allocation.rs index 791e87735f40..b0f8a047b82f 100644 --- a/compiler/rustc_middle/src/mir/interpret/allocation.rs +++ b/compiler/rustc_middle/src/mir/interpret/allocation.rs @@ -266,19 +266,6 @@ impl AllocRange { // The constructors are all without extra; the extra gets added by a machine hook later. impl Allocation { - /// Creates an allocation from an existing `Bytes` value - this is needed for miri FFI support - pub fn from_raw_bytes(bytes: Bytes, align: Align, mutability: Mutability) -> Self { - let size = Size::from_bytes(bytes.len()); - Self { - bytes, - provenance: ProvenanceMap::new(), - init_mask: InitMask::new(size, true), - align, - mutability, - extra: (), - } - } - /// Creates an allocation initialized by the given bytes pub fn from_bytes<'a>( slice: impl Into>, @@ -342,18 +329,30 @@ impl Allocation { Err(x) => x, } } + + /// Add the extra. + pub fn with_extra(self, extra: Extra) -> Allocation { + Allocation { + bytes: self.bytes, + provenance: self.provenance, + init_mask: self.init_mask, + align: self.align, + mutability: self.mutability, + extra, + } + } } impl Allocation { /// Adjust allocation from the ones in `tcx` to a custom Machine instance - /// with a different `Provenance`, `Extra` and `Byte` type. - pub fn adjust_from_tcx( - self, + /// with a different `Provenance` and `Byte` type. + pub fn adjust_from_tcx( + &self, cx: &impl HasDataLayout, - extra: Extra, mut adjust_ptr: impl FnMut(Pointer) -> Result, Err>, - ) -> Result, Err> { - let mut bytes = self.bytes; + ) -> Result, Err> { + // Copy the data. + let mut bytes = Bytes::from_bytes(Cow::Borrowed(&*self.bytes), self.align); // Adjust provenance of pointers stored in this allocation. let mut new_provenance = Vec::with_capacity(self.provenance.ptrs().len()); let ptr_size = cx.data_layout().pointer_size.bytes_usize(); @@ -369,12 +368,12 @@ impl Allocation { } // Create allocation. Ok(Allocation { - bytes: AllocBytes::from_bytes(Cow::Owned(Vec::from(bytes)), self.align), + bytes, provenance: ProvenanceMap::from_presorted_ptrs(new_provenance), - init_mask: self.init_mask, + init_mask: self.init_mask.clone(), align: self.align, mutability: self.mutability, - extra, + extra: self.extra, }) } } diff --git a/src/tools/miri/src/concurrency/thread.rs b/src/tools/miri/src/concurrency/thread.rs index 8e8e1182bfff..06af72dadbd3 100644 --- a/src/tools/miri/src/concurrency/thread.rs +++ b/src/tools/miri/src/concurrency/thread.rs @@ -862,14 +862,15 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { if tcx.is_foreign_item(def_id) { throw_unsup_format!("foreign thread-local statics are not supported"); } - let allocation = this.ctfe_query(|tcx| tcx.eval_static_initializer(def_id))?; - let mut allocation = allocation.inner().clone(); + let alloc = this.ctfe_query(|tcx| tcx.eval_static_initializer(def_id))?; + // We make a full copy of this allocation. + let mut alloc = alloc.inner().adjust_from_tcx(&this.tcx, |ptr| this.global_root_pointer(ptr))?; // This allocation will be deallocated when the thread dies, so it is not in read-only memory. - allocation.mutability = Mutability::Mut; + alloc.mutability = Mutability::Mut; // Create a fresh allocation with this content. - let new_alloc = this.allocate_raw_ptr(allocation, MiriMemoryKind::Tls.into())?; - this.machine.threads.set_thread_local_alloc(def_id, new_alloc); - Ok(new_alloc) + let ptr = this.allocate_raw_ptr(alloc, MiriMemoryKind::Tls.into())?; + this.machine.threads.set_thread_local_alloc(def_id, ptr); + Ok(ptr) } } diff --git a/src/tools/miri/src/machine.rs b/src/tools/miri/src/machine.rs index fc1a655c1232..c9b390eb67e1 100644 --- a/src/tools/miri/src/machine.rs +++ b/src/tools/miri/src/machine.rs @@ -1,7 +1,6 @@ //! Global machine state as well as implementation of the interpreter engine //! `Machine` trait. -use std::borrow::Cow; use std::cell::RefCell; use std::collections::hash_map::Entry; use std::fmt; @@ -1086,40 +1085,33 @@ impl<'tcx> Machine<'tcx> for MiriMachine<'tcx> { } } - fn adjust_allocation<'b>( + fn init_alloc_extra( ecx: &MiriInterpCx<'tcx>, id: AllocId, - alloc: Cow<'b, Allocation>, - kind: Option, - ) -> InterpResult<'tcx, Cow<'b, Allocation>> - { - let kind = kind.expect("we set our STATIC_KIND so this cannot be None"); + kind: MemoryKind, + size: Size, + align: Align, + ) -> InterpResult<'tcx, Self::AllocExtra> { if ecx.machine.tracked_alloc_ids.contains(&id) { - ecx.emit_diagnostic(NonHaltingDiagnostic::CreatedAlloc( - id, - alloc.size(), - alloc.align, - kind, - )); + ecx.emit_diagnostic(NonHaltingDiagnostic::CreatedAlloc(id, size, align, kind)); } - let alloc = alloc.into_owned(); let borrow_tracker = ecx .machine .borrow_tracker .as_ref() - .map(|bt| bt.borrow_mut().new_allocation(id, alloc.size(), kind, &ecx.machine)); + .map(|bt| bt.borrow_mut().new_allocation(id, size, kind, &ecx.machine)); - let race_alloc = ecx.machine.data_race.as_ref().map(|data_race| { + let data_race = ecx.machine.data_race.as_ref().map(|data_race| { data_race::AllocState::new_allocation( data_race, &ecx.machine.threads, - alloc.size(), + size, kind, ecx.machine.current_span(), ) }); - let buffer_alloc = ecx.machine.weak_memory.then(weak_memory::AllocState::new_allocation); + let weak_memory = ecx.machine.weak_memory.then(weak_memory::AllocState::new_allocation); // If an allocation is leaked, we want to report a backtrace to indicate where it was // allocated. We don't need to record a backtrace for allocations which are allowed to @@ -1130,17 +1122,6 @@ impl<'tcx> Machine<'tcx> for MiriMachine<'tcx> { Some(ecx.generate_stacktrace()) }; - let alloc: Allocation = alloc.adjust_from_tcx( - &ecx.tcx, - AllocExtra { - borrow_tracker, - data_race: race_alloc, - weak_memory: buffer_alloc, - backtrace, - }, - |ptr| ecx.global_root_pointer(ptr), - )?; - if matches!(kind, MemoryKind::Machine(kind) if kind.should_save_allocation_span()) { ecx.machine .allocation_spans @@ -1148,7 +1129,7 @@ impl<'tcx> Machine<'tcx> for MiriMachine<'tcx> { .insert(id, (ecx.machine.current_span(), None)); } - Ok(Cow::Owned(alloc)) + Ok(AllocExtra { borrow_tracker, data_race, weak_memory, backtrace }) } fn adjust_alloc_root_pointer( @@ -1357,7 +1338,7 @@ impl<'tcx> Machine<'tcx> for MiriMachine<'tcx> { } #[inline(always)] - fn init_frame_extra( + fn init_frame( ecx: &mut InterpCx<'tcx, Self>, frame: Frame<'tcx, Provenance>, ) -> InterpResult<'tcx, Frame<'tcx, Provenance, FrameExtra<'tcx>>> { From 5ad4ad7aee5e0e63d8a2d95fd5dabf194e56836b Mon Sep 17 00:00:00 2001 From: Urgau Date: Mon, 13 May 2024 19:35:52 +0200 Subject: [PATCH 0615/1716] non_local_defs: move out from `#[derive(LintDiagnostic)]` to manual impl --- compiler/rustc_lint/src/lints.rs | 80 +++++++++++++++++++----- compiler/rustc_lint/src/non_local_def.rs | 1 - 2 files changed, 64 insertions(+), 17 deletions(-) diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index 42963a11f71a..deaf56c8f251 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -1329,40 +1329,88 @@ pub struct SuspiciousDoubleRefCloneDiag<'a> { } // non_local_defs.rs -#[derive(LintDiagnostic)] pub enum NonLocalDefinitionsDiag { - #[diag(lint_non_local_definitions_impl)] - #[help] - #[note(lint_non_local)] - #[note(lint_exception)] - #[note(lint_non_local_definitions_deprecation)] Impl { depth: u32, body_kind_descr: &'static str, body_name: String, - #[subdiagnostic] cargo_update: Option, - #[suggestion(lint_const_anon, code = "_", applicability = "machine-applicable")] const_anon: Option, }, - #[diag(lint_non_local_definitions_macro_rules)] MacroRules { depth: u32, body_kind_descr: &'static str, body_name: String, - #[help] help: Option<()>, - #[help(lint_help_doctest)] doctest_help: Option<()>, - #[note(lint_non_local)] - #[note(lint_exception)] - #[note(lint_non_local_definitions_deprecation)] - notes: (), - #[subdiagnostic] cargo_update: Option, }, } +impl<'a> LintDiagnostic<'a, ()> for NonLocalDefinitionsDiag { + fn decorate_lint<'b>(self, diag: &'b mut Diag<'a, ()>) { + match self { + NonLocalDefinitionsDiag::Impl { + depth, + body_kind_descr, + body_name, + cargo_update, + const_anon, + } => { + diag.primary_message(fluent::lint_non_local_definitions_impl); + diag.arg("depth", depth); + diag.arg("body_kind_descr", body_kind_descr); + diag.arg("body_name", body_name); + + diag.help(fluent::lint_help); + diag.note(fluent::lint_non_local); + diag.note(fluent::lint_exception); + diag.note(fluent::lint_non_local_definitions_deprecation); + + if let Some(cargo_update) = cargo_update { + diag.subdiagnostic(&diag.dcx, cargo_update); + } + if let Some(const_anon) = const_anon { + diag.span_suggestion( + const_anon, + fluent::lint_const_anon, + "_", + Applicability::MachineApplicable, + ); + } + } + NonLocalDefinitionsDiag::MacroRules { + depth, + body_kind_descr, + body_name, + help, + doctest_help, + cargo_update, + } => { + diag.primary_message(fluent::lint_non_local_definitions_macro_rules); + diag.arg("depth", depth); + diag.arg("body_kind_descr", body_kind_descr); + diag.arg("body_name", body_name); + + if let Some(()) = help { + diag.help(fluent::lint_help); + } + if let Some(()) = doctest_help { + diag.help(fluent::lint_help_doctest); + } + + diag.note(fluent::lint_non_local); + diag.note(fluent::lint_exception); + diag.note(fluent::lint_non_local_definitions_deprecation); + + if let Some(cargo_update) = cargo_update { + diag.subdiagnostic(&diag.dcx, cargo_update); + } + } + } + } +} + #[derive(Subdiagnostic)] #[note(lint_non_local_definitions_cargo_update)] pub struct NonLocalDefinitionsCargoUpdateNote { diff --git a/compiler/rustc_lint/src/non_local_def.rs b/compiler/rustc_lint/src/non_local_def.rs index 87ee5f536280..f112048bb263 100644 --- a/compiler/rustc_lint/src/non_local_def.rs +++ b/compiler/rustc_lint/src/non_local_def.rs @@ -250,7 +250,6 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions { cargo_update: cargo_update(), help: (!is_at_toplevel_doctest).then_some(()), doctest_help: is_at_toplevel_doctest.then_some(()), - notes: (), }, ) } From 06c6a2d9d680c16399fa1e0fffa993ce60fd09f0 Mon Sep 17 00:00:00 2001 From: Urgau Date: Mon, 13 May 2024 19:58:40 +0200 Subject: [PATCH 0616/1716] non_local_defs: switch to more friendly primary message --- compiler/rustc_lint/messages.ftl | 4 +- .../rustdoc-ui/doctest/non_local_defs.stderr | 2 +- .../lint/non-local-defs/cargo-update.stderr | 2 +- tests/ui/lint/non-local-defs/consts.stderr | 16 ++++---- .../non-local-defs/exhaustive-trait.stderr | 12 +++--- .../ui/lint/non-local-defs/exhaustive.stderr | 40 +++++++++---------- .../from-local-for-global.stderr | 10 ++--- tests/ui/lint/non-local-defs/generics.stderr | 16 ++++---- .../non-local-defs/inside-macro_rules.stderr | 2 +- .../ui/lint/non-local-defs/macro_rules.stderr | 8 ++-- .../trait-solver-overflow-123573.stderr | 2 +- .../ui/lint/non-local-defs/weird-exprs.stderr | 12 +++--- tests/ui/proc-macro/nested-macro-rules.stderr | 2 +- 13 files changed, 64 insertions(+), 64 deletions(-) diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index a9304f27fe55..9d3ae7312ee0 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -542,7 +542,7 @@ lint_non_local_definitions_cargo_update = the {$macro_kind} `{$macro_name}` may lint_non_local_definitions_deprecation = this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -lint_non_local_definitions_impl = non-local `impl` definition, they should be avoided as they go against expectation +lint_non_local_definitions_impl = non-local `impl` definition, `impl` blocks should be written at the same level as their item .help = move this `impl` block outside the of the current {$body_kind_descr} {$depth -> [one] `{$body_name}` @@ -552,7 +552,7 @@ lint_non_local_definitions_impl = non-local `impl` definition, they should be av .exception = one exception to the rule are anon-const (`const _: () = {"{"} ... {"}"}`) at top-level module and anon-const at the same nesting as the trait or type .const_anon = use a const-anon item to suppress this lint -lint_non_local_definitions_macro_rules = non-local `macro_rules!` definition, they should be avoided as they go against expectation +lint_non_local_definitions_macro_rules = non-local `macro_rules!` definition, `#[macro_export]` macro should be written at top level module .help = remove the `#[macro_export]` or move this `macro_rules!` outside the of the current {$body_kind_descr} {$depth -> [one] `{$body_name}` diff --git a/tests/rustdoc-ui/doctest/non_local_defs.stderr b/tests/rustdoc-ui/doctest/non_local_defs.stderr index 39a25de1aae7..f8dffe10c11f 100644 --- a/tests/rustdoc-ui/doctest/non_local_defs.stderr +++ b/tests/rustdoc-ui/doctest/non_local_defs.stderr @@ -1,4 +1,4 @@ -warning: non-local `macro_rules!` definition, they should be avoided as they go against expectation +warning: non-local `macro_rules!` definition, `#[macro_export]` macro should be written at top level module --> $DIR/non_local_defs.rs:9:1 | LL | macro_rules! a_macro { () => {} } diff --git a/tests/ui/lint/non-local-defs/cargo-update.stderr b/tests/ui/lint/non-local-defs/cargo-update.stderr index e9e33b9aa173..640a462c2cfe 100644 --- a/tests/ui/lint/non-local-defs/cargo-update.stderr +++ b/tests/ui/lint/non-local-defs/cargo-update.stderr @@ -1,4 +1,4 @@ -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/cargo-update.rs:17:1 | LL | non_local_macro::non_local_impl!(LocalStruct); diff --git a/tests/ui/lint/non-local-defs/consts.stderr b/tests/ui/lint/non-local-defs/consts.stderr index d15b452b004e..ef86d735b7a8 100644 --- a/tests/ui/lint/non-local-defs/consts.stderr +++ b/tests/ui/lint/non-local-defs/consts.stderr @@ -1,4 +1,4 @@ -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/consts.rs:13:5 | LL | const Z: () = { @@ -13,7 +13,7 @@ LL | impl Uto for &Test {} = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/consts.rs:24:5 | LL | impl Uto2 for Test {} @@ -24,7 +24,7 @@ LL | impl Uto2 for Test {} = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/consts.rs:32:5 | LL | impl Uto3 for Test {} @@ -35,7 +35,7 @@ LL | impl Uto3 for Test {} = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/consts.rs:43:5 | LL | / impl Test { @@ -49,7 +49,7 @@ LL | | } = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/consts.rs:50:9 | LL | / impl Test { @@ -63,7 +63,7 @@ LL | | } = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/consts.rs:59:9 | LL | / impl Test { @@ -77,7 +77,7 @@ LL | | } = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/consts.rs:72:9 | LL | impl Uto9 for Test {} @@ -88,7 +88,7 @@ LL | impl Uto9 for Test {} = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/consts.rs:79:9 | LL | impl Uto10 for Test {} diff --git a/tests/ui/lint/non-local-defs/exhaustive-trait.stderr b/tests/ui/lint/non-local-defs/exhaustive-trait.stderr index 8d58d4dd27c5..ea75dcf0c66a 100644 --- a/tests/ui/lint/non-local-defs/exhaustive-trait.stderr +++ b/tests/ui/lint/non-local-defs/exhaustive-trait.stderr @@ -1,4 +1,4 @@ -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive-trait.rs:7:5 | LL | / impl PartialEq<()> for Dog { @@ -15,7 +15,7 @@ LL | | } = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive-trait.rs:14:5 | LL | / impl PartialEq<()> for &Dog { @@ -31,7 +31,7 @@ LL | | } = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive-trait.rs:21:5 | LL | / impl PartialEq for () { @@ -47,7 +47,7 @@ LL | | } = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive-trait.rs:28:5 | LL | / impl PartialEq<&Dog> for () { @@ -63,7 +63,7 @@ LL | | } = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive-trait.rs:35:5 | LL | / impl PartialEq for &Dog { @@ -79,7 +79,7 @@ LL | | } = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive-trait.rs:42:5 | LL | / impl PartialEq<&Dog> for &Dog { diff --git a/tests/ui/lint/non-local-defs/exhaustive.stderr b/tests/ui/lint/non-local-defs/exhaustive.stderr index b3697969c4f8..c8f0bbf8c144 100644 --- a/tests/ui/lint/non-local-defs/exhaustive.stderr +++ b/tests/ui/lint/non-local-defs/exhaustive.stderr @@ -1,4 +1,4 @@ -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:10:5 | LL | / impl Test { @@ -13,7 +13,7 @@ LL | | } = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:15:5 | LL | / impl Display for Test { @@ -29,7 +29,7 @@ LL | | } = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:22:5 | LL | impl dyn Trait {} @@ -40,7 +40,7 @@ LL | impl dyn Trait {} = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:25:5 | LL | impl Trait for Vec { } @@ -51,7 +51,7 @@ LL | impl Trait for Vec { } = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:28:5 | LL | impl Trait for &dyn Trait {} @@ -62,7 +62,7 @@ LL | impl Trait for &dyn Trait {} = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:31:5 | LL | impl Trait for *mut Test {} @@ -73,7 +73,7 @@ LL | impl Trait for *mut Test {} = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:34:5 | LL | impl Trait for *mut [Test] {} @@ -84,7 +84,7 @@ LL | impl Trait for *mut [Test] {} = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:37:5 | LL | impl Trait for [Test; 8] {} @@ -95,7 +95,7 @@ LL | impl Trait for [Test; 8] {} = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:40:5 | LL | impl Trait for (Test,) {} @@ -106,7 +106,7 @@ LL | impl Trait for (Test,) {} = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:43:5 | LL | impl Trait for fn(Test) -> () {} @@ -117,7 +117,7 @@ LL | impl Trait for fn(Test) -> () {} = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:46:5 | LL | impl Trait for fn() -> Test {} @@ -128,7 +128,7 @@ LL | impl Trait for fn() -> Test {} = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:50:9 | LL | impl Trait for Test {} @@ -139,7 +139,7 @@ LL | impl Trait for Test {} = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:58:5 | LL | impl Trait for *mut InsideMain {} @@ -150,7 +150,7 @@ LL | impl Trait for *mut InsideMain {} = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:60:5 | LL | impl Trait for *mut [InsideMain] {} @@ -161,7 +161,7 @@ LL | impl Trait for *mut [InsideMain] {} = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:62:5 | LL | impl Trait for [InsideMain; 8] {} @@ -172,7 +172,7 @@ LL | impl Trait for [InsideMain; 8] {} = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:64:5 | LL | impl Trait for (InsideMain,) {} @@ -183,7 +183,7 @@ LL | impl Trait for (InsideMain,) {} = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:66:5 | LL | impl Trait for fn(InsideMain) -> () {} @@ -194,7 +194,7 @@ LL | impl Trait for fn(InsideMain) -> () {} = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:68:5 | LL | impl Trait for fn() -> InsideMain {} @@ -205,7 +205,7 @@ LL | impl Trait for fn() -> InsideMain {} = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:72:9 | LL | / impl Display for InsideMain { @@ -221,7 +221,7 @@ LL | | } = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:79:9 | LL | / impl InsideMain { diff --git a/tests/ui/lint/non-local-defs/from-local-for-global.stderr b/tests/ui/lint/non-local-defs/from-local-for-global.stderr index 0cd385049aa6..05a8cc06609a 100644 --- a/tests/ui/lint/non-local-defs/from-local-for-global.stderr +++ b/tests/ui/lint/non-local-defs/from-local-for-global.stderr @@ -1,4 +1,4 @@ -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/from-local-for-global.rs:8:5 | LL | / impl From for () { @@ -15,7 +15,7 @@ LL | | } = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/from-local-for-global.rs:18:5 | LL | / impl From>> for () { @@ -31,7 +31,7 @@ LL | | } = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/from-local-for-global.rs:32:5 | LL | impl StillNonLocal for &Foo {} @@ -42,7 +42,7 @@ LL | impl StillNonLocal for &Foo {} = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/from-local-for-global.rs:40:5 | LL | / impl From for GlobalSameFunction { @@ -58,7 +58,7 @@ LL | | } = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/from-local-for-global.rs:48:5 | LL | / impl From for GlobalSameFunction { diff --git a/tests/ui/lint/non-local-defs/generics.stderr b/tests/ui/lint/non-local-defs/generics.stderr index 681d9e45e7a0..fd4b844a5bfa 100644 --- a/tests/ui/lint/non-local-defs/generics.stderr +++ b/tests/ui/lint/non-local-defs/generics.stderr @@ -1,4 +1,4 @@ -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/generics.rs:9:5 | LL | impl Global for Vec { } @@ -10,7 +10,7 @@ LL | impl Global for Vec { } = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/generics.rs:20:5 | LL | impl Uto7 for Test where Local: std::any::Any {} @@ -21,7 +21,7 @@ LL | impl Uto7 for Test where Local: std::any::Any {} = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/generics.rs:23:5 | LL | impl Uto8 for T {} @@ -32,7 +32,7 @@ LL | impl Uto8 for T {} = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/generics.rs:32:5 | LL | / impl Default for UwU { @@ -48,7 +48,7 @@ LL | | } = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/generics.rs:43:5 | LL | / impl AsRef for () { @@ -62,7 +62,7 @@ LL | | } = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/generics.rs:54:5 | LL | / impl PartialEq for G { @@ -78,7 +78,7 @@ LL | | } = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/generics.rs:69:5 | LL | / impl From>> for () { @@ -94,7 +94,7 @@ LL | | } = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/generics.rs:76:5 | LL | / impl From<()> for Wrap { diff --git a/tests/ui/lint/non-local-defs/inside-macro_rules.stderr b/tests/ui/lint/non-local-defs/inside-macro_rules.stderr index 319682b973d5..531776246637 100644 --- a/tests/ui/lint/non-local-defs/inside-macro_rules.stderr +++ b/tests/ui/lint/non-local-defs/inside-macro_rules.stderr @@ -1,4 +1,4 @@ -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/inside-macro_rules.rs:9:13 | LL | impl MacroTrait for OutsideStruct {} diff --git a/tests/ui/lint/non-local-defs/macro_rules.stderr b/tests/ui/lint/non-local-defs/macro_rules.stderr index 125d8e97d87f..57dbdef1ae3e 100644 --- a/tests/ui/lint/non-local-defs/macro_rules.stderr +++ b/tests/ui/lint/non-local-defs/macro_rules.stderr @@ -1,4 +1,4 @@ -warning: non-local `macro_rules!` definition, they should be avoided as they go against expectation +warning: non-local `macro_rules!` definition, `#[macro_export]` macro should be written at top level module --> $DIR/macro_rules.rs:10:5 | LL | macro_rules! m0 { () => { } }; @@ -10,7 +10,7 @@ LL | macro_rules! m0 { () => { } }; = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default -warning: non-local `macro_rules!` definition, they should be avoided as they go against expectation +warning: non-local `macro_rules!` definition, `#[macro_export]` macro should be written at top level module --> $DIR/macro_rules.rs:16:1 | LL | non_local_macro::non_local_macro_rules!(my_macro); @@ -23,7 +23,7 @@ LL | non_local_macro::non_local_macro_rules!(my_macro); = note: the macro `non_local_macro::non_local_macro_rules` may come from an old version of the `non_local_macro` crate, try updating your dependency with `cargo update -p non_local_macro` = note: this warning originates in the macro `non_local_macro::non_local_macro_rules` (in Nightly builds, run with -Z macro-backtrace for more info) -warning: non-local `macro_rules!` definition, they should be avoided as they go against expectation +warning: non-local `macro_rules!` definition, `#[macro_export]` macro should be written at top level module --> $DIR/macro_rules.rs:21:5 | LL | macro_rules! m { () => { } }; @@ -34,7 +34,7 @@ LL | macro_rules! m { () => { } }; = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `macro_rules!` definition, they should be avoided as they go against expectation +warning: non-local `macro_rules!` definition, `#[macro_export]` macro should be written at top level module --> $DIR/macro_rules.rs:29:13 | LL | macro_rules! m2 { () => { } }; diff --git a/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr b/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr index 9a8ab810835c..3dfdca691387 100644 --- a/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr +++ b/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr @@ -1,4 +1,4 @@ -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/trait-solver-overflow-123573.rs:12:5 | LL | impl Test for &Local {} diff --git a/tests/ui/lint/non-local-defs/weird-exprs.stderr b/tests/ui/lint/non-local-defs/weird-exprs.stderr index 015a0cce43b2..e7ce780e51c0 100644 --- a/tests/ui/lint/non-local-defs/weird-exprs.stderr +++ b/tests/ui/lint/non-local-defs/weird-exprs.stderr @@ -1,4 +1,4 @@ -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/weird-exprs.rs:8:5 | LL | impl Uto for *mut Test {} @@ -10,7 +10,7 @@ LL | impl Uto for *mut Test {} = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/weird-exprs.rs:16:9 | LL | impl Uto for Test {} @@ -21,7 +21,7 @@ LL | impl Uto for Test {} = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/weird-exprs.rs:25:9 | LL | / impl Test { @@ -35,7 +35,7 @@ LL | | } = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/weird-exprs.rs:34:9 | LL | impl Uto for &Test {} @@ -46,7 +46,7 @@ LL | impl Uto for &Test {} = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/weird-exprs.rs:41:9 | LL | impl Uto for &(Test,) {} @@ -57,7 +57,7 @@ LL | impl Uto for &(Test,) {} = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: non-local `impl` definition, they should be avoided as they go against expectation +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/weird-exprs.rs:48:9 | LL | impl Uto for &(Test,Test) {} diff --git a/tests/ui/proc-macro/nested-macro-rules.stderr b/tests/ui/proc-macro/nested-macro-rules.stderr index 270e9161b033..7b5258a15747 100644 --- a/tests/ui/proc-macro/nested-macro-rules.stderr +++ b/tests/ui/proc-macro/nested-macro-rules.stderr @@ -1,4 +1,4 @@ -warning: non-local `macro_rules!` definition, they should be avoided as they go against expectation +warning: non-local `macro_rules!` definition, `#[macro_export]` macro should be written at top level module --> $DIR/auxiliary/nested-macro-rules.rs:7:9 | LL | macro_rules! outer_macro { From de1c122950ac14801f5b1edf25f17e5297f797fd Mon Sep 17 00:00:00 2001 From: Urgau Date: Mon, 13 May 2024 20:15:57 +0200 Subject: [PATCH 0617/1716] non_local_defs: improve some notes around trait, bounds, consts - Restrict const-anon exception diag to relevant places - Invoke bounds (and type-inference) in non_local_defs - Specialize diagnostic for impl without Trait --- compiler/rustc_lint/messages.ftl | 6 +- compiler/rustc_lint/src/lints.rs | 30 +++++--- compiler/rustc_lint/src/non_local_def.rs | 9 ++- .../lint/non-local-defs/cargo-update.stderr | 7 +- tests/ui/lint/non-local-defs/consts.stderr | 33 ++++---- .../non-local-defs/exhaustive-trait.stderr | 24 +++--- .../ui/lint/non-local-defs/exhaustive.stderr | 77 +++++++++---------- .../from-local-for-global.stderr | 20 ++--- tests/ui/lint/non-local-defs/generics.stderr | 32 ++++---- .../non-local-defs/inside-macro_rules.stderr | 4 +- .../trait-solver-overflow-123573.stderr | 4 +- .../ui/lint/non-local-defs/weird-exprs.stderr | 23 +++--- 12 files changed, 141 insertions(+), 128 deletions(-) diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index 9d3ae7312ee0..52d8def425f4 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -548,8 +548,10 @@ lint_non_local_definitions_impl = non-local `impl` definition, `impl` blocks sho [one] `{$body_name}` *[other] `{$body_name}` and up {$depth} bodies } - .non_local = an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - .exception = one exception to the rule are anon-const (`const _: () = {"{"} ... {"}"}`) at top-level module and anon-const at the same nesting as the trait or type + .without_trait = methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block + .with_trait = an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` + .bounds = `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + .exception = anon-const (`const _: () = {"{"} ... {"}"}`) at top-level module and anon-const at the same nesting as the trait or type are consider to be transparent regarding the nesting level .const_anon = use a const-anon item to suppress this lint lint_non_local_definitions_macro_rules = non-local `macro_rules!` definition, `#[macro_export]` macro should be written at top level module diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index deaf56c8f251..d3c409bb6e54 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -1335,7 +1335,8 @@ pub enum NonLocalDefinitionsDiag { body_kind_descr: &'static str, body_name: String, cargo_update: Option, - const_anon: Option, + const_anon: Option>, + has_trait: bool, }, MacroRules { depth: u32, @@ -1356,6 +1357,7 @@ impl<'a> LintDiagnostic<'a, ()> for NonLocalDefinitionsDiag { body_name, cargo_update, const_anon, + has_trait, } => { diag.primary_message(fluent::lint_non_local_definitions_impl); diag.arg("depth", depth); @@ -1363,21 +1365,29 @@ impl<'a> LintDiagnostic<'a, ()> for NonLocalDefinitionsDiag { diag.arg("body_name", body_name); diag.help(fluent::lint_help); - diag.note(fluent::lint_non_local); - diag.note(fluent::lint_exception); - diag.note(fluent::lint_non_local_definitions_deprecation); + if has_trait { + diag.note(fluent::lint_bounds); + diag.note(fluent::lint_with_trait); + } else { + diag.note(fluent::lint_without_trait); + } if let Some(cargo_update) = cargo_update { diag.subdiagnostic(&diag.dcx, cargo_update); } if let Some(const_anon) = const_anon { - diag.span_suggestion( - const_anon, - fluent::lint_const_anon, - "_", - Applicability::MachineApplicable, - ); + diag.note(fluent::lint_exception); + if let Some(const_anon) = const_anon { + diag.span_suggestion( + const_anon, + fluent::lint_const_anon, + "_", + Applicability::MachineApplicable, + ); + } } + + diag.note(fluent::lint_non_local_definitions_deprecation); } NonLocalDefinitionsDiag::MacroRules { depth, diff --git a/compiler/rustc_lint/src/non_local_def.rs b/compiler/rustc_lint/src/non_local_def.rs index f112048bb263..dc65db5e9ecf 100644 --- a/compiler/rustc_lint/src/non_local_def.rs +++ b/compiler/rustc_lint/src/non_local_def.rs @@ -202,8 +202,7 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions { // Get the span of the parent const item ident (if it's a not a const anon). // // Used to suggest changing the const item to a const anon. - let span_for_const_anon_suggestion = if self.body_depth == 1 - && parent_def_kind == DefKind::Const + let span_for_const_anon_suggestion = if parent_def_kind == DefKind::Const && parent_opt_item_name != Some(kw::Underscore) && let Some(parent) = parent.as_local() && let Node::Item(item) = cx.tcx.hir_node_by_def_id(parent) @@ -215,6 +214,9 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions { None }; + let const_anon = matches!(parent_def_kind, DefKind::Const | DefKind::Static { .. }) + .then_some(span_for_const_anon_suggestion); + cx.emit_span_lint( NON_LOCAL_DEFINITIONS, item.span, @@ -225,7 +227,8 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions { .map(|s| s.to_ident_string()) .unwrap_or_else(|| "".to_string()), cargo_update: cargo_update(), - const_anon: span_for_const_anon_suggestion, + const_anon, + has_trait: impl_.of_trait.is_some(), }, ) } diff --git a/tests/ui/lint/non-local-defs/cargo-update.stderr b/tests/ui/lint/non-local-defs/cargo-update.stderr index 640a462c2cfe..af9ca5b0abde 100644 --- a/tests/ui/lint/non-local-defs/cargo-update.stderr +++ b/tests/ui/lint/non-local-defs/cargo-update.stderr @@ -5,10 +5,11 @@ LL | non_local_macro::non_local_impl!(LocalStruct); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current constant `_IMPL_DEBUG` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type - = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: the macro `non_local_macro::non_local_impl` may come from an old version of the `non_local_macro` crate, try updating your dependency with `cargo update -p non_local_macro` + = note: anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type are consider to be transparent regarding the nesting level + = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default = note: this warning originates in the macro `non_local_macro::non_local_impl` (in Nightly builds, run with -Z macro-backtrace for more info) diff --git a/tests/ui/lint/non-local-defs/consts.stderr b/tests/ui/lint/non-local-defs/consts.stderr index ef86d735b7a8..868b65457d1d 100644 --- a/tests/ui/lint/non-local-defs/consts.stderr +++ b/tests/ui/lint/non-local-defs/consts.stderr @@ -8,8 +8,9 @@ LL | impl Uto for &Test {} | ^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current constant `Z` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` + = note: anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type are consider to be transparent regarding the nesting level = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default @@ -20,8 +21,9 @@ LL | impl Uto2 for Test {} | ^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current static `A` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` + = note: anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type are consider to be transparent regarding the nesting level = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -31,8 +33,9 @@ LL | impl Uto3 for Test {} | ^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current constant `B` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` + = note: anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type are consider to be transparent regarding the nesting level = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -45,8 +48,7 @@ LL | | } | |_____^ | = help: move this `impl` block outside the of the current function `main` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -59,8 +61,7 @@ LL | | } | |_________^ | = help: move this `impl` block outside the of the current inline constant `` and up 2 bodies - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -73,8 +74,8 @@ LL | | } | |_________^ | = help: move this `impl` block outside the of the current constant `_` and up 2 bodies - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block + = note: anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type are consider to be transparent regarding the nesting level = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -84,8 +85,8 @@ LL | impl Uto9 for Test {} | ^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current closure `` and up 2 bodies - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -95,8 +96,8 @@ LL | impl Uto10 for Test {} | ^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current constant expression `` and up 2 bodies - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: 8 warnings emitted diff --git a/tests/ui/lint/non-local-defs/exhaustive-trait.stderr b/tests/ui/lint/non-local-defs/exhaustive-trait.stderr index ea75dcf0c66a..ca4eec5e5d05 100644 --- a/tests/ui/lint/non-local-defs/exhaustive-trait.stderr +++ b/tests/ui/lint/non-local-defs/exhaustive-trait.stderr @@ -10,8 +10,8 @@ LL | | } | |_____^ | = help: move this `impl` block outside the of the current function `main` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default @@ -27,8 +27,8 @@ LL | | } | |_____^ | = help: move this `impl` block outside the of the current function `main` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -43,8 +43,8 @@ LL | | } | |_____^ | = help: move this `impl` block outside the of the current function `main` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -59,8 +59,8 @@ LL | | } | |_____^ | = help: move this `impl` block outside the of the current function `main` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -75,8 +75,8 @@ LL | | } | |_____^ | = help: move this `impl` block outside the of the current function `main` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -91,8 +91,8 @@ LL | | } | |_____^ | = help: move this `impl` block outside the of the current function `main` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: 6 warnings emitted diff --git a/tests/ui/lint/non-local-defs/exhaustive.stderr b/tests/ui/lint/non-local-defs/exhaustive.stderr index c8f0bbf8c144..1fabf84dac66 100644 --- a/tests/ui/lint/non-local-defs/exhaustive.stderr +++ b/tests/ui/lint/non-local-defs/exhaustive.stderr @@ -8,8 +8,7 @@ LL | | } | |_____^ | = help: move this `impl` block outside the of the current function `main` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default @@ -25,8 +24,8 @@ LL | | } | |_____^ | = help: move this `impl` block outside the of the current function `main` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -36,8 +35,7 @@ LL | impl dyn Trait {} | ^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -47,8 +45,8 @@ LL | impl Trait for Vec { } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -58,8 +56,8 @@ LL | impl Trait for &dyn Trait {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -69,8 +67,8 @@ LL | impl Trait for *mut Test {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -80,8 +78,8 @@ LL | impl Trait for *mut [Test] {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -91,8 +89,8 @@ LL | impl Trait for [Test; 8] {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -102,8 +100,8 @@ LL | impl Trait for (Test,) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -113,8 +111,8 @@ LL | impl Trait for fn(Test) -> () {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -124,8 +122,8 @@ LL | impl Trait for fn() -> Test {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -135,8 +133,8 @@ LL | impl Trait for Test {} | ^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current closure `` and up 2 bodies - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -146,8 +144,8 @@ LL | impl Trait for *mut InsideMain {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -157,8 +155,8 @@ LL | impl Trait for *mut [InsideMain] {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -168,8 +166,8 @@ LL | impl Trait for [InsideMain; 8] {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -179,8 +177,8 @@ LL | impl Trait for (InsideMain,) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -190,8 +188,8 @@ LL | impl Trait for fn(InsideMain) -> () {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -201,8 +199,8 @@ LL | impl Trait for fn() -> InsideMain {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -217,8 +215,8 @@ LL | | } | |_________^ | = help: move this `impl` block outside the of the current function `inside_inside` and up 2 bodies - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -231,8 +229,7 @@ LL | | } | |_________^ | = help: move this `impl` block outside the of the current function `inside_inside` and up 2 bodies - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: 20 warnings emitted diff --git a/tests/ui/lint/non-local-defs/from-local-for-global.stderr b/tests/ui/lint/non-local-defs/from-local-for-global.stderr index 05a8cc06609a..b4ad3f3585cb 100644 --- a/tests/ui/lint/non-local-defs/from-local-for-global.stderr +++ b/tests/ui/lint/non-local-defs/from-local-for-global.stderr @@ -10,8 +10,8 @@ LL | | } | |_____^ | = help: move this `impl` block outside the of the current function `main` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default @@ -27,8 +27,8 @@ LL | | } | |_____^ | = help: move this `impl` block outside the of the current function `main` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -38,8 +38,8 @@ LL | impl StillNonLocal for &Foo {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `only_global` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -54,8 +54,8 @@ LL | | } | |_____^ | = help: move this `impl` block outside the of the current function `same_function` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -70,8 +70,8 @@ LL | | } | |_____^ | = help: move this `impl` block outside the of the current function `same_function` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: 5 warnings emitted diff --git a/tests/ui/lint/non-local-defs/generics.stderr b/tests/ui/lint/non-local-defs/generics.stderr index fd4b844a5bfa..b62c25b828cf 100644 --- a/tests/ui/lint/non-local-defs/generics.stderr +++ b/tests/ui/lint/non-local-defs/generics.stderr @@ -5,8 +5,8 @@ LL | impl Global for Vec { } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default @@ -17,8 +17,8 @@ LL | impl Uto7 for Test where Local: std::any::Any {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `bad` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -28,8 +28,8 @@ LL | impl Uto8 for T {} | ^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `bad` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -44,8 +44,8 @@ LL | | } | |_____^ | = help: move this `impl` block outside the of the current function `fun` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -58,8 +58,8 @@ LL | | } | |_____^ | = help: move this `impl` block outside the of the current function `meow` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -74,8 +74,8 @@ LL | | } | |_____^ | = help: move this `impl` block outside the of the current function `fun2` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -90,8 +90,8 @@ LL | | } | |_____^ | = help: move this `impl` block outside the of the current function `rawr` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -106,8 +106,8 @@ LL | | } | |_____^ | = help: move this `impl` block outside the of the current function `rawr` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: 8 warnings emitted diff --git a/tests/ui/lint/non-local-defs/inside-macro_rules.stderr b/tests/ui/lint/non-local-defs/inside-macro_rules.stderr index 531776246637..8c0a71a67650 100644 --- a/tests/ui/lint/non-local-defs/inside-macro_rules.stderr +++ b/tests/ui/lint/non-local-defs/inside-macro_rules.stderr @@ -8,8 +8,8 @@ LL | m!(); | ---- in this macro invocation | = help: move this `impl` block outside the of the current function `my_func` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default = note: this warning originates in the macro `m` (in Nightly builds, run with -Z macro-backtrace for more info) diff --git a/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr b/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr index 3dfdca691387..30e46555053d 100644 --- a/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr +++ b/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr @@ -5,8 +5,8 @@ LL | impl Test for &Local {} | ^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default diff --git a/tests/ui/lint/non-local-defs/weird-exprs.stderr b/tests/ui/lint/non-local-defs/weird-exprs.stderr index e7ce780e51c0..2e0e0695f59d 100644 --- a/tests/ui/lint/non-local-defs/weird-exprs.stderr +++ b/tests/ui/lint/non-local-defs/weird-exprs.stderr @@ -5,8 +5,8 @@ LL | impl Uto for *mut Test {} | ^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current constant expression `` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default @@ -17,8 +17,8 @@ LL | impl Uto for Test {} | ^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current constant expression `` - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -31,8 +31,7 @@ LL | | } | |_________^ | = help: move this `impl` block outside the of the current constant expression `` and up 2 bodies - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -42,8 +41,8 @@ LL | impl Uto for &Test {} | ^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current constant expression `` and up 2 bodies - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -53,8 +52,8 @@ LL | impl Uto for &(Test,) {} | ^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current constant expression `` and up 2 bodies - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -64,8 +63,8 @@ LL | impl Uto for &(Test,Test) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current constant expression `` and up 2 bodies - = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: 6 warnings emitted From 26b873d030f5f6bcc21ea1037c6d546f28f98e52 Mon Sep 17 00:00:00 2001 From: Urgau Date: Tue, 14 May 2024 12:54:26 +0200 Subject: [PATCH 0618/1716] non_local_defs: use span of the impl def and not the impl block --- compiler/rustc_lint/src/non_local_def.rs | 2 +- tests/ui/lint/non-local-defs/consts.stderr | 31 ++++----- .../non-local-defs/exhaustive-trait.stderr | 54 ++++------------ .../ui/lint/non-local-defs/exhaustive.stderr | 64 +++++++------------ .../from-local-for-global.stderr | 38 +++-------- tests/ui/lint/non-local-defs/generics.stderr | 49 ++++---------- .../non-local-defs/inside-macro_rules.stderr | 2 +- .../trait-solver-overflow-123573.stderr | 2 +- .../ui/lint/non-local-defs/weird-exprs.stderr | 17 ++--- 9 files changed, 79 insertions(+), 180 deletions(-) diff --git a/compiler/rustc_lint/src/non_local_def.rs b/compiler/rustc_lint/src/non_local_def.rs index dc65db5e9ecf..d4d3afcce3bd 100644 --- a/compiler/rustc_lint/src/non_local_def.rs +++ b/compiler/rustc_lint/src/non_local_def.rs @@ -219,7 +219,7 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions { cx.emit_span_lint( NON_LOCAL_DEFINITIONS, - item.span, + item.span.shrink_to_lo().to(impl_.self_ty.span), NonLocalDefinitionsDiag::Impl { depth: self.body_depth, body_kind_descr: cx.tcx.def_kind_descr(parent_def_kind, parent), diff --git a/tests/ui/lint/non-local-defs/consts.stderr b/tests/ui/lint/non-local-defs/consts.stderr index 868b65457d1d..e49256e7f35c 100644 --- a/tests/ui/lint/non-local-defs/consts.stderr +++ b/tests/ui/lint/non-local-defs/consts.stderr @@ -5,7 +5,7 @@ LL | const Z: () = { | - help: use a const-anon item to suppress this lint: `_` ... LL | impl Uto for &Test {} - | ^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current constant `Z` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -18,7 +18,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/consts.rs:24:5 | LL | impl Uto2 for Test {} - | ^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current static `A` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -30,7 +30,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/consts.rs:32:5 | LL | impl Uto3 for Test {} - | ^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current constant `B` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -41,11 +41,8 @@ LL | impl Uto3 for Test {} warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/consts.rs:43:5 | -LL | / impl Test { -LL | | -LL | | fn foo() {} -LL | | } - | |_____^ +LL | impl Test { + | ^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` = note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block @@ -54,11 +51,8 @@ LL | | } warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/consts.rs:50:9 | -LL | / impl Test { -LL | | -LL | | fn hoo() {} -LL | | } - | |_________^ +LL | impl Test { + | ^^^^^^^^^ | = help: move this `impl` block outside the of the current inline constant `` and up 2 bodies = note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block @@ -67,11 +61,8 @@ LL | | } warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/consts.rs:59:9 | -LL | / impl Test { -LL | | -LL | | fn foo2() {} -LL | | } - | |_________^ +LL | impl Test { + | ^^^^^^^^^ | = help: move this `impl` block outside the of the current constant `_` and up 2 bodies = note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block @@ -82,7 +73,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/consts.rs:72:9 | LL | impl Uto9 for Test {} - | ^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current closure `` and up 2 bodies = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -93,7 +84,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/consts.rs:79:9 | LL | impl Uto10 for Test {} - | ^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current constant expression `` and up 2 bodies = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type diff --git a/tests/ui/lint/non-local-defs/exhaustive-trait.stderr b/tests/ui/lint/non-local-defs/exhaustive-trait.stderr index ca4eec5e5d05..639957158741 100644 --- a/tests/ui/lint/non-local-defs/exhaustive-trait.stderr +++ b/tests/ui/lint/non-local-defs/exhaustive-trait.stderr @@ -1,13 +1,8 @@ warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive-trait.rs:7:5 | -LL | / impl PartialEq<()> for Dog { -LL | | -LL | | fn eq(&self, _: &()) -> bool { -LL | | todo!() -LL | | } -LL | | } - | |_____^ +LL | impl PartialEq<()> for Dog { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -18,13 +13,8 @@ LL | | } warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive-trait.rs:14:5 | -LL | / impl PartialEq<()> for &Dog { -LL | | -LL | | fn eq(&self, _: &()) -> bool { -LL | | todo!() -LL | | } -LL | | } - | |_____^ +LL | impl PartialEq<()> for &Dog { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -34,13 +24,8 @@ LL | | } warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive-trait.rs:21:5 | -LL | / impl PartialEq for () { -LL | | -LL | | fn eq(&self, _: &Dog) -> bool { -LL | | todo!() -LL | | } -LL | | } - | |_____^ +LL | impl PartialEq for () { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -50,13 +35,8 @@ LL | | } warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive-trait.rs:28:5 | -LL | / impl PartialEq<&Dog> for () { -LL | | -LL | | fn eq(&self, _: &&Dog) -> bool { -LL | | todo!() -LL | | } -LL | | } - | |_____^ +LL | impl PartialEq<&Dog> for () { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -66,13 +46,8 @@ LL | | } warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive-trait.rs:35:5 | -LL | / impl PartialEq for &Dog { -LL | | -LL | | fn eq(&self, _: &Dog) -> bool { -LL | | todo!() -LL | | } -LL | | } - | |_____^ +LL | impl PartialEq for &Dog { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -82,13 +57,8 @@ LL | | } warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive-trait.rs:42:5 | -LL | / impl PartialEq<&Dog> for &Dog { -LL | | -LL | | fn eq(&self, _: &&Dog) -> bool { -LL | | todo!() -LL | | } -LL | | } - | |_____^ +LL | impl PartialEq<&Dog> for &Dog { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type diff --git a/tests/ui/lint/non-local-defs/exhaustive.stderr b/tests/ui/lint/non-local-defs/exhaustive.stderr index 1fabf84dac66..317838554707 100644 --- a/tests/ui/lint/non-local-defs/exhaustive.stderr +++ b/tests/ui/lint/non-local-defs/exhaustive.stderr @@ -1,11 +1,8 @@ warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:10:5 | -LL | / impl Test { -LL | | -LL | | fn foo() {} -LL | | } - | |_____^ +LL | impl Test { + | ^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` = note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block @@ -15,13 +12,8 @@ LL | | } warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:15:5 | -LL | / impl Display for Test { -LL | | -LL | | fn fmt(&self, _f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { -LL | | todo!() -LL | | } -LL | | } - | |_____^ +LL | impl Display for Test { + | ^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -32,7 +24,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:22:5 | LL | impl dyn Trait {} - | ^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` = note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block @@ -42,7 +34,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:25:5 | LL | impl Trait for Vec { } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -53,7 +45,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:28:5 | LL | impl Trait for &dyn Trait {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -64,7 +56,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:31:5 | LL | impl Trait for *mut Test {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -75,7 +67,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:34:5 | LL | impl Trait for *mut [Test] {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -86,7 +78,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:37:5 | LL | impl Trait for [Test; 8] {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -97,7 +89,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:40:5 | LL | impl Trait for (Test,) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -108,7 +100,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:43:5 | LL | impl Trait for fn(Test) -> () {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -119,7 +111,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:46:5 | LL | impl Trait for fn() -> Test {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -130,7 +122,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:50:9 | LL | impl Trait for Test {} - | ^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current closure `` and up 2 bodies = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -141,7 +133,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:58:5 | LL | impl Trait for *mut InsideMain {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -152,7 +144,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:60:5 | LL | impl Trait for *mut [InsideMain] {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -163,7 +155,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:62:5 | LL | impl Trait for [InsideMain; 8] {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -174,7 +166,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:64:5 | LL | impl Trait for (InsideMain,) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -185,7 +177,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:66:5 | LL | impl Trait for fn(InsideMain) -> () {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -196,7 +188,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:68:5 | LL | impl Trait for fn() -> InsideMain {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -206,13 +198,8 @@ LL | impl Trait for fn() -> InsideMain {} warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:72:9 | -LL | / impl Display for InsideMain { -LL | | -LL | | fn fmt(&self, _f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { -LL | | todo!() -LL | | } -LL | | } - | |_________^ +LL | impl Display for InsideMain { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `inside_inside` and up 2 bodies = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -222,11 +209,8 @@ LL | | } warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:79:9 | -LL | / impl InsideMain { -LL | | -LL | | fn bar() {} -LL | | } - | |_________^ +LL | impl InsideMain { + | ^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `inside_inside` and up 2 bodies = note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block diff --git a/tests/ui/lint/non-local-defs/from-local-for-global.stderr b/tests/ui/lint/non-local-defs/from-local-for-global.stderr index b4ad3f3585cb..e5e91e787465 100644 --- a/tests/ui/lint/non-local-defs/from-local-for-global.stderr +++ b/tests/ui/lint/non-local-defs/from-local-for-global.stderr @@ -1,13 +1,8 @@ warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/from-local-for-global.rs:8:5 | -LL | / impl From for () { -LL | | -LL | | fn from(_: Cat) -> () { -LL | | todo!() -LL | | } -LL | | } - | |_____^ +LL | impl From for () { + | ^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -18,13 +13,8 @@ LL | | } warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/from-local-for-global.rs:18:5 | -LL | / impl From>> for () { -LL | | -LL | | fn from(_: Wrap>) -> Self { -LL | | todo!() -LL | | } -LL | | } - | |_____^ +LL | impl From>> for () { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -35,7 +25,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/from-local-for-global.rs:32:5 | LL | impl StillNonLocal for &Foo {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `only_global` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -45,13 +35,8 @@ LL | impl StillNonLocal for &Foo {} warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/from-local-for-global.rs:40:5 | -LL | / impl From for GlobalSameFunction { -LL | | -LL | | fn from(x: Local1) -> GlobalSameFunction { -LL | | x.0 -LL | | } -LL | | } - | |_____^ +LL | impl From for GlobalSameFunction { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `same_function` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -61,13 +46,8 @@ LL | | } warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/from-local-for-global.rs:48:5 | -LL | / impl From for GlobalSameFunction { -LL | | -LL | | fn from(x: Local2) -> GlobalSameFunction { -LL | | x.0 -LL | | } -LL | | } - | |_____^ +LL | impl From for GlobalSameFunction { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `same_function` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type diff --git a/tests/ui/lint/non-local-defs/generics.stderr b/tests/ui/lint/non-local-defs/generics.stderr index b62c25b828cf..26cdb0896b46 100644 --- a/tests/ui/lint/non-local-defs/generics.stderr +++ b/tests/ui/lint/non-local-defs/generics.stderr @@ -2,7 +2,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/generics.rs:9:5 | LL | impl Global for Vec { } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -14,7 +14,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/generics.rs:20:5 | LL | impl Uto7 for Test where Local: std::any::Any {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `bad` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -25,7 +25,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/generics.rs:23:5 | LL | impl Uto8 for T {} - | ^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `bad` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -35,13 +35,8 @@ LL | impl Uto8 for T {} warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/generics.rs:32:5 | -LL | / impl Default for UwU { -LL | | -LL | | fn default() -> Self { -LL | | UwU(OwO) -LL | | } -LL | | } - | |_____^ +LL | impl Default for UwU { + | ^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `fun` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -51,11 +46,8 @@ LL | | } warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/generics.rs:43:5 | -LL | / impl AsRef for () { -LL | | -LL | | fn as_ref(&self) -> &Cat { &Cat } -LL | | } - | |_____^ +LL | impl AsRef for () { + | ^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `meow` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -65,13 +57,8 @@ LL | | } warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/generics.rs:54:5 | -LL | / impl PartialEq for G { -LL | | -LL | | fn eq(&self, _: &B) -> bool { -LL | | true -LL | | } -LL | | } - | |_____^ +LL | impl PartialEq for G { + | ^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `fun2` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -81,13 +68,8 @@ LL | | } warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/generics.rs:69:5 | -LL | / impl From>> for () { -LL | | -LL | | fn from(_: Wrap>) -> Self { -LL | | todo!() -LL | | } -LL | | } - | |_____^ +LL | impl From>> for () { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `rawr` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -97,13 +79,8 @@ LL | | } warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/generics.rs:76:5 | -LL | / impl From<()> for Wrap { -LL | | -LL | | fn from(_: ()) -> Self { -LL | | todo!() -LL | | } -LL | | } - | |_____^ +LL | impl From<()> for Wrap { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `rawr` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type diff --git a/tests/ui/lint/non-local-defs/inside-macro_rules.stderr b/tests/ui/lint/non-local-defs/inside-macro_rules.stderr index 8c0a71a67650..cace400082ac 100644 --- a/tests/ui/lint/non-local-defs/inside-macro_rules.stderr +++ b/tests/ui/lint/non-local-defs/inside-macro_rules.stderr @@ -2,7 +2,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/inside-macro_rules.rs:9:13 | LL | impl MacroTrait for OutsideStruct {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ... LL | m!(); | ---- in this macro invocation diff --git a/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr b/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr index 30e46555053d..45bc86162ebf 100644 --- a/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr +++ b/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr @@ -2,7 +2,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/trait-solver-overflow-123573.rs:12:5 | LL | impl Test for &Local {} - | ^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type diff --git a/tests/ui/lint/non-local-defs/weird-exprs.stderr b/tests/ui/lint/non-local-defs/weird-exprs.stderr index 2e0e0695f59d..af6df2165d16 100644 --- a/tests/ui/lint/non-local-defs/weird-exprs.stderr +++ b/tests/ui/lint/non-local-defs/weird-exprs.stderr @@ -2,7 +2,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/weird-exprs.rs:8:5 | LL | impl Uto for *mut Test {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current constant expression `` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -14,7 +14,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/weird-exprs.rs:16:9 | LL | impl Uto for Test {} - | ^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current constant expression `` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -24,11 +24,8 @@ LL | impl Uto for Test {} warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/weird-exprs.rs:25:9 | -LL | / impl Test { -LL | | -LL | | fn bar() {} -LL | | } - | |_________^ +LL | impl Test { + | ^^^^^^^^^ | = help: move this `impl` block outside the of the current constant expression `` and up 2 bodies = note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block @@ -38,7 +35,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/weird-exprs.rs:34:9 | LL | impl Uto for &Test {} - | ^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current constant expression `` and up 2 bodies = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -49,7 +46,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/weird-exprs.rs:41:9 | LL | impl Uto for &(Test,) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current constant expression `` and up 2 bodies = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type @@ -60,7 +57,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/weird-exprs.rs:48:9 | LL | impl Uto for &(Test,Test) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: move this `impl` block outside the of the current constant expression `` and up 2 bodies = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type From 22095fbd8d71d46231d0acc7217594ee2fff133b Mon Sep 17 00:00:00 2001 From: Urgau Date: Tue, 14 May 2024 12:41:27 +0200 Subject: [PATCH 0619/1716] non_local_defs: use labels to indicate what may need to be moved --- compiler/rustc_lint/messages.ftl | 4 +- compiler/rustc_lint/src/lints.rs | 15 +- compiler/rustc_lint/src/non_local_def.rs | 3 + .../lint/non-local-defs/cargo-update.stderr | 9 +- tests/ui/lint/non-local-defs/consts.stderr | 81 ++++++- .../non-local-defs/exhaustive-trait.stderr | 90 +++++++- .../ui/lint/non-local-defs/exhaustive.stderr | 197 ++++++++++++++++-- .../from-local-for-global.stderr | 69 +++++- tests/ui/lint/non-local-defs/generics.stderr | 100 ++++++++- .../non-local-defs/inside-macro_rules.stderr | 12 +- .../trait-solver-overflow-123573.stderr | 9 +- .../ui/lint/non-local-defs/weird-exprs.stderr | 57 ++++- 12 files changed, 587 insertions(+), 59 deletions(-) diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index 52d8def425f4..8582148e26cf 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -544,7 +544,7 @@ lint_non_local_definitions_deprecation = this lint may become deny-by-default in lint_non_local_definitions_impl = non-local `impl` definition, `impl` blocks should be written at the same level as their item .help = - move this `impl` block outside the of the current {$body_kind_descr} {$depth -> + move this `impl` block outside of the current {$body_kind_descr} {$depth -> [one] `{$body_name}` *[other] `{$body_name}` and up {$depth} bodies } @@ -565,6 +565,8 @@ lint_non_local_definitions_macro_rules = non-local `macro_rules!` definition, `# .non_local = a `macro_rules!` definition is non-local if it is nested inside an item and has a `#[macro_export]` attribute .exception = one exception to the rule are anon-const (`const _: () = {"{"} ... {"}"}`) at top-level module +lint_non_local_definitions_may_move = may need to be moved as well + lint_non_snake_case = {$sort} `{$name}` should have a snake case name .rename_or_convert_suggestion = rename the identifier or convert it to a snake case raw identifier .cannot_convert_note = `{$sc}` cannot be used as a raw identifier diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index d3c409bb6e54..305cc67c1ee8 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -6,7 +6,7 @@ use crate::errors::RequestedLevel; use crate::fluent_generated as fluent; use rustc_errors::{ codes::*, Applicability, Diag, DiagArgValue, DiagMessage, DiagStyledString, - ElidedLifetimeInPathSubdiag, EmissionGuarantee, LintDiagnostic, SubdiagMessageOp, + ElidedLifetimeInPathSubdiag, EmissionGuarantee, LintDiagnostic, MultiSpan, SubdiagMessageOp, Subdiagnostic, SuggestionStyle, }; use rustc_hir::{def::Namespace, def_id::DefId}; @@ -1336,6 +1336,9 @@ pub enum NonLocalDefinitionsDiag { body_name: String, cargo_update: Option, const_anon: Option>, + move_help: Span, + self_ty: Span, + of_trait: Option, has_trait: bool, }, MacroRules { @@ -1357,6 +1360,9 @@ impl<'a> LintDiagnostic<'a, ()> for NonLocalDefinitionsDiag { body_name, cargo_update, const_anon, + move_help, + self_ty, + of_trait, has_trait, } => { diag.primary_message(fluent::lint_non_local_definitions_impl); @@ -1364,13 +1370,18 @@ impl<'a> LintDiagnostic<'a, ()> for NonLocalDefinitionsDiag { diag.arg("body_kind_descr", body_kind_descr); diag.arg("body_name", body_name); - diag.help(fluent::lint_help); if has_trait { diag.note(fluent::lint_bounds); diag.note(fluent::lint_with_trait); } else { diag.note(fluent::lint_without_trait); } + let mut ms = MultiSpan::from_span(move_help); + ms.push_span_label(self_ty, fluent::lint_non_local_definitions_may_move); + if let Some(of_trait) = of_trait { + ms.push_span_label(of_trait, fluent::lint_non_local_definitions_may_move); + } + diag.span_help(ms, fluent::lint_help); if let Some(cargo_update) = cargo_update { diag.subdiagnostic(&diag.dcx, cargo_update); diff --git a/compiler/rustc_lint/src/non_local_def.rs b/compiler/rustc_lint/src/non_local_def.rs index d4d3afcce3bd..6b75e546a66d 100644 --- a/compiler/rustc_lint/src/non_local_def.rs +++ b/compiler/rustc_lint/src/non_local_def.rs @@ -222,6 +222,9 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions { item.span.shrink_to_lo().to(impl_.self_ty.span), NonLocalDefinitionsDiag::Impl { depth: self.body_depth, + move_help: item.span, + self_ty: impl_.self_ty.span, + of_trait: impl_.of_trait.map(|t| t.path.span), body_kind_descr: cx.tcx.def_kind_descr(parent_def_kind, parent), body_name: parent_opt_item_name .map(|s| s.to_ident_string()) diff --git a/tests/ui/lint/non-local-defs/cargo-update.stderr b/tests/ui/lint/non-local-defs/cargo-update.stderr index af9ca5b0abde..9c9f24cd2e9f 100644 --- a/tests/ui/lint/non-local-defs/cargo-update.stderr +++ b/tests/ui/lint/non-local-defs/cargo-update.stderr @@ -4,9 +4,16 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | non_local_macro::non_local_impl!(LocalStruct); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current constant `_IMPL_DEBUG` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current constant `_IMPL_DEBUG` + --> $DIR/cargo-update.rs:17:1 + | +LL | non_local_macro::non_local_impl!(LocalStruct); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | | + | may need to be moved as well + | may need to be moved as well = note: the macro `non_local_macro::non_local_impl` may come from an old version of the `non_local_macro` crate, try updating your dependency with `cargo update -p non_local_macro` = note: anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type are consider to be transparent regarding the nesting level = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue diff --git a/tests/ui/lint/non-local-defs/consts.stderr b/tests/ui/lint/non-local-defs/consts.stderr index e49256e7f35c..7abf795079e4 100644 --- a/tests/ui/lint/non-local-defs/consts.stderr +++ b/tests/ui/lint/non-local-defs/consts.stderr @@ -7,9 +7,16 @@ LL | const Z: () = { LL | impl Uto for &Test {} | ^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current constant `Z` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current constant `Z` + --> $DIR/consts.rs:13:5 + | +LL | impl Uto for &Test {} + | ^^^^^---^^^^^-----^^^ + | | | + | | may need to be moved as well + | may need to be moved as well = note: anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type are consider to be transparent regarding the nesting level = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default @@ -20,9 +27,16 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Uto2 for Test {} | ^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current static `A` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current static `A` + --> $DIR/consts.rs:24:5 + | +LL | impl Uto2 for Test {} + | ^^^^^----^^^^^----^^^ + | | | + | | may need to be moved as well + | may need to be moved as well = note: anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type are consider to be transparent regarding the nesting level = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue @@ -32,9 +46,16 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Uto3 for Test {} | ^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current constant `B` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current constant `B` + --> $DIR/consts.rs:32:5 + | +LL | impl Uto3 for Test {} + | ^^^^^----^^^^^----^^^ + | | | + | | may need to be moved as well + | may need to be moved as well = note: anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type are consider to be transparent regarding the nesting level = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue @@ -44,8 +65,18 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Test { | ^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `main` = note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block +help: move this `impl` block outside of the current function `main` + --> $DIR/consts.rs:43:5 + | +LL | impl Test { + | ^ ---- may need to be moved as well + | _____| + | | +LL | | +LL | | fn foo() {} +LL | | } + | |_____^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -54,8 +85,18 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Test { | ^^^^^^^^^ | - = help: move this `impl` block outside the of the current inline constant `` and up 2 bodies = note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block +help: move this `impl` block outside of the current inline constant `` and up 2 bodies + --> $DIR/consts.rs:50:9 + | +LL | impl Test { + | ^ ---- may need to be moved as well + | _________| + | | +LL | | +LL | | fn hoo() {} +LL | | } + | |_________^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -64,8 +105,18 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Test { | ^^^^^^^^^ | - = help: move this `impl` block outside the of the current constant `_` and up 2 bodies = note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block +help: move this `impl` block outside of the current constant `_` and up 2 bodies + --> $DIR/consts.rs:59:9 + | +LL | impl Test { + | ^ ---- may need to be moved as well + | _________| + | | +LL | | +LL | | fn foo2() {} +LL | | } + | |_________^ = note: anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type are consider to be transparent regarding the nesting level = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue @@ -75,9 +126,16 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Uto9 for Test {} | ^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current closure `` and up 2 bodies = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current closure `` and up 2 bodies + --> $DIR/consts.rs:72:9 + | +LL | impl Uto9 for Test {} + | ^^^^^----^^^^^----^^^ + | | | + | | may need to be moved as well + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -86,9 +144,16 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Uto10 for Test {} | ^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current constant expression `` and up 2 bodies = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current constant expression `` and up 2 bodies + --> $DIR/consts.rs:79:9 + | +LL | impl Uto10 for Test {} + | ^^^^^-----^^^^^----^^^ + | | | + | | may need to be moved as well + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: 8 warnings emitted diff --git a/tests/ui/lint/non-local-defs/exhaustive-trait.stderr b/tests/ui/lint/non-local-defs/exhaustive-trait.stderr index 639957158741..031927ba6692 100644 --- a/tests/ui/lint/non-local-defs/exhaustive-trait.stderr +++ b/tests/ui/lint/non-local-defs/exhaustive-trait.stderr @@ -4,9 +4,22 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl PartialEq<()> for Dog { | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `main` + --> $DIR/exhaustive-trait.rs:7:5 + | +LL | impl PartialEq<()> for Dog { + | ^ ------------- --- may need to be moved as well + | | | + | _____| may need to be moved as well + | | +LL | | +LL | | fn eq(&self, _: &()) -> bool { +LL | | todo!() +LL | | } +LL | | } + | |_____^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default @@ -16,9 +29,22 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl PartialEq<()> for &Dog { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `main` + --> $DIR/exhaustive-trait.rs:14:5 + | +LL | impl PartialEq<()> for &Dog { + | ^ ------------- ---- may need to be moved as well + | | | + | _____| may need to be moved as well + | | +LL | | +LL | | fn eq(&self, _: &()) -> bool { +LL | | todo!() +LL | | } +LL | | } + | |_____^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -27,9 +53,22 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl PartialEq for () { | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `main` + --> $DIR/exhaustive-trait.rs:21:5 + | +LL | impl PartialEq for () { + | ^ -------------- -- may need to be moved as well + | | | + | _____| may need to be moved as well + | | +LL | | +LL | | fn eq(&self, _: &Dog) -> bool { +LL | | todo!() +LL | | } +LL | | } + | |_____^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -38,9 +77,22 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl PartialEq<&Dog> for () { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `main` + --> $DIR/exhaustive-trait.rs:28:5 + | +LL | impl PartialEq<&Dog> for () { + | ^ --------------- -- may need to be moved as well + | | | + | _____| may need to be moved as well + | | +LL | | +LL | | fn eq(&self, _: &&Dog) -> bool { +LL | | todo!() +LL | | } +LL | | } + | |_____^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -49,9 +101,22 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl PartialEq for &Dog { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `main` + --> $DIR/exhaustive-trait.rs:35:5 + | +LL | impl PartialEq for &Dog { + | ^ -------------- ---- may need to be moved as well + | | | + | _____| may need to be moved as well + | | +LL | | +LL | | fn eq(&self, _: &Dog) -> bool { +LL | | todo!() +LL | | } +LL | | } + | |_____^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -60,9 +125,22 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl PartialEq<&Dog> for &Dog { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `main` + --> $DIR/exhaustive-trait.rs:42:5 + | +LL | impl PartialEq<&Dog> for &Dog { + | ^ --------------- ---- may need to be moved as well + | | | + | _____| may need to be moved as well + | | +LL | | +LL | | fn eq(&self, _: &&Dog) -> bool { +LL | | todo!() +LL | | } +LL | | } + | |_____^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: 6 warnings emitted diff --git a/tests/ui/lint/non-local-defs/exhaustive.stderr b/tests/ui/lint/non-local-defs/exhaustive.stderr index 317838554707..91d4b2d4f654 100644 --- a/tests/ui/lint/non-local-defs/exhaustive.stderr +++ b/tests/ui/lint/non-local-defs/exhaustive.stderr @@ -4,8 +4,18 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Test { | ^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `main` = note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block +help: move this `impl` block outside of the current function `main` + --> $DIR/exhaustive.rs:10:5 + | +LL | impl Test { + | ^ ---- may need to be moved as well + | _____| + | | +LL | | +LL | | fn foo() {} +LL | | } + | |_____^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default @@ -15,9 +25,22 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Display for Test { | ^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `main` + --> $DIR/exhaustive.rs:15:5 + | +LL | impl Display for Test { + | ^ ------- ---- may need to be moved as well + | | | + | _____| may need to be moved as well + | | +LL | | +LL | | fn fmt(&self, _f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { +LL | | todo!() +LL | | } +LL | | } + | |_____^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -26,8 +49,14 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl dyn Trait {} | ^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `main` = note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block +help: move this `impl` block outside of the current function `main` + --> $DIR/exhaustive.rs:22:5 + | +LL | impl dyn Trait {} + | ^^^^^---------^^^ + | | + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -36,9 +65,16 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Trait for Vec { } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `main` + --> $DIR/exhaustive.rs:25:5 + | +LL | impl Trait for Vec { } + | ^^^^^^^^^^^^^^^-----^^^^^------^^^^ + | | | + | | may need to be moved as well + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -47,9 +83,16 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Trait for &dyn Trait {} | ^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `main` + --> $DIR/exhaustive.rs:28:5 + | +LL | impl Trait for &dyn Trait {} + | ^^^^^-----^^^^^----------^^^ + | | | + | | may need to be moved as well + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -58,9 +101,16 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Trait for *mut Test {} | ^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `main` + --> $DIR/exhaustive.rs:31:5 + | +LL | impl Trait for *mut Test {} + | ^^^^^-----^^^^^---------^^^ + | | | + | | may need to be moved as well + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -69,9 +119,16 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Trait for *mut [Test] {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `main` + --> $DIR/exhaustive.rs:34:5 + | +LL | impl Trait for *mut [Test] {} + | ^^^^^-----^^^^^-----------^^^ + | | | + | | may need to be moved as well + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -80,9 +137,16 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Trait for [Test; 8] {} | ^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `main` + --> $DIR/exhaustive.rs:37:5 + | +LL | impl Trait for [Test; 8] {} + | ^^^^^-----^^^^^---------^^^ + | | | + | | may need to be moved as well + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -91,9 +155,16 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Trait for (Test,) {} | ^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `main` + --> $DIR/exhaustive.rs:40:5 + | +LL | impl Trait for (Test,) {} + | ^^^^^-----^^^^^-------^^^ + | | | + | | may need to be moved as well + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -102,9 +173,16 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Trait for fn(Test) -> () {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `main` + --> $DIR/exhaustive.rs:43:5 + | +LL | impl Trait for fn(Test) -> () {} + | ^^^^^-----^^^^^--------------^^^ + | | | + | | may need to be moved as well + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -113,9 +191,16 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Trait for fn() -> Test {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `main` + --> $DIR/exhaustive.rs:46:5 + | +LL | impl Trait for fn() -> Test {} + | ^^^^^-----^^^^^------------^^^ + | | | + | | may need to be moved as well + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -124,9 +209,16 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Trait for Test {} | ^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current closure `` and up 2 bodies = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current closure `` and up 2 bodies + --> $DIR/exhaustive.rs:50:9 + | +LL | impl Trait for Test {} + | ^^^^^-----^^^^^----^^^ + | | | + | | may need to be moved as well + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -135,9 +227,16 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Trait for *mut InsideMain {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `main` + --> $DIR/exhaustive.rs:58:5 + | +LL | impl Trait for *mut InsideMain {} + | ^^^^^-----^^^^^---------------^^^ + | | | + | | may need to be moved as well + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -146,9 +245,16 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Trait for *mut [InsideMain] {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `main` + --> $DIR/exhaustive.rs:60:5 + | +LL | impl Trait for *mut [InsideMain] {} + | ^^^^^-----^^^^^-----------------^^^ + | | | + | | may need to be moved as well + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -157,9 +263,16 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Trait for [InsideMain; 8] {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `main` + --> $DIR/exhaustive.rs:62:5 + | +LL | impl Trait for [InsideMain; 8] {} + | ^^^^^-----^^^^^---------------^^^ + | | | + | | may need to be moved as well + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -168,9 +281,16 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Trait for (InsideMain,) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `main` + --> $DIR/exhaustive.rs:64:5 + | +LL | impl Trait for (InsideMain,) {} + | ^^^^^-----^^^^^-------------^^^ + | | | + | | may need to be moved as well + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -179,9 +299,16 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Trait for fn(InsideMain) -> () {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `main` + --> $DIR/exhaustive.rs:66:5 + | +LL | impl Trait for fn(InsideMain) -> () {} + | ^^^^^-----^^^^^--------------------^^^ + | | | + | | may need to be moved as well + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -190,9 +317,16 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Trait for fn() -> InsideMain {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `main` + --> $DIR/exhaustive.rs:68:5 + | +LL | impl Trait for fn() -> InsideMain {} + | ^^^^^-----^^^^^------------------^^^ + | | | + | | may need to be moved as well + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -201,9 +335,22 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Display for InsideMain { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `inside_inside` and up 2 bodies = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `inside_inside` and up 2 bodies + --> $DIR/exhaustive.rs:72:9 + | +LL | impl Display for InsideMain { + | ^ ------- ---------- may need to be moved as well + | | | + | _________| may need to be moved as well + | | +LL | | +LL | | fn fmt(&self, _f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { +LL | | todo!() +LL | | } +LL | | } + | |_________^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -212,8 +359,18 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl InsideMain { | ^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `inside_inside` and up 2 bodies = note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block +help: move this `impl` block outside of the current function `inside_inside` and up 2 bodies + --> $DIR/exhaustive.rs:79:9 + | +LL | impl InsideMain { + | ^ ---------- may need to be moved as well + | _________| + | | +LL | | +LL | | fn bar() {} +LL | | } + | |_________^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: 20 warnings emitted diff --git a/tests/ui/lint/non-local-defs/from-local-for-global.stderr b/tests/ui/lint/non-local-defs/from-local-for-global.stderr index e5e91e787465..de3fabc97f49 100644 --- a/tests/ui/lint/non-local-defs/from-local-for-global.stderr +++ b/tests/ui/lint/non-local-defs/from-local-for-global.stderr @@ -4,9 +4,22 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl From for () { | ^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `main` + --> $DIR/from-local-for-global.rs:8:5 + | +LL | impl From for () { + | ^ --------- -- may need to be moved as well + | | | + | _____| may need to be moved as well + | | +LL | | +LL | | fn from(_: Cat) -> () { +LL | | todo!() +LL | | } +LL | | } + | |_____^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default @@ -16,9 +29,22 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl From>> for () { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `main` + --> $DIR/from-local-for-global.rs:18:5 + | +LL | impl From>> for () { + | ^ -------------------------- -- may need to be moved as well + | | | + | _____| may need to be moved as well + | | +LL | | +LL | | fn from(_: Wrap>) -> Self { +LL | | todo!() +LL | | } +LL | | } + | |_____^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -27,9 +53,16 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl StillNonLocal for &Foo {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `only_global` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `only_global` + --> $DIR/from-local-for-global.rs:32:5 + | +LL | impl StillNonLocal for &Foo {} + | ^^^^^-------------^^^^^----^^^ + | | | + | | may need to be moved as well + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -38,9 +71,22 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl From for GlobalSameFunction { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `same_function` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `same_function` + --> $DIR/from-local-for-global.rs:40:5 + | +LL | impl From for GlobalSameFunction { + | ^ ------------ ------------------ may need to be moved as well + | | | + | _____| may need to be moved as well + | | +LL | | +LL | | fn from(x: Local1) -> GlobalSameFunction { +LL | | x.0 +LL | | } +LL | | } + | |_____^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -49,9 +95,22 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl From for GlobalSameFunction { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `same_function` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `same_function` + --> $DIR/from-local-for-global.rs:48:5 + | +LL | impl From for GlobalSameFunction { + | ^ ------------ ------------------ may need to be moved as well + | | | + | _____| may need to be moved as well + | | +LL | | +LL | | fn from(x: Local2) -> GlobalSameFunction { +LL | | x.0 +LL | | } +LL | | } + | |_____^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: 5 warnings emitted diff --git a/tests/ui/lint/non-local-defs/generics.stderr b/tests/ui/lint/non-local-defs/generics.stderr index 26cdb0896b46..8ef6e3b71daf 100644 --- a/tests/ui/lint/non-local-defs/generics.stderr +++ b/tests/ui/lint/non-local-defs/generics.stderr @@ -4,9 +4,16 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Global for Vec { } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `main` + --> $DIR/generics.rs:9:5 + | +LL | impl Global for Vec { } + | ^^^^^^^^^^^^^^^------^^^^^------^^^^ + | | | + | | may need to be moved as well + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default @@ -16,9 +23,16 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Uto7 for Test where Local: std::any::Any {} | ^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `bad` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `bad` + --> $DIR/generics.rs:20:5 + | +LL | impl Uto7 for Test where Local: std::any::Any {} + | ^^^^^----^^^^^----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | | | + | | may need to be moved as well + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -27,9 +41,16 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Uto8 for T {} | ^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `bad` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `bad` + --> $DIR/generics.rs:23:5 + | +LL | impl Uto8 for T {} + | ^^^^^^^^----^^^^^-^^^ + | | | + | | may need to be moved as well + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -38,9 +59,22 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Default for UwU { | ^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `fun` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `fun` + --> $DIR/generics.rs:32:5 + | +LL | impl Default for UwU { + | ^ ------- -------- may need to be moved as well + | | | + | _____| may need to be moved as well + | | +LL | | +LL | | fn default() -> Self { +LL | | UwU(OwO) +LL | | } +LL | | } + | |_____^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -49,9 +83,20 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl AsRef for () { | ^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `meow` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `meow` + --> $DIR/generics.rs:43:5 + | +LL | impl AsRef for () { + | ^ ---------- -- may need to be moved as well + | | | + | _____| may need to be moved as well + | | +LL | | +LL | | fn as_ref(&self) -> &Cat { &Cat } +LL | | } + | |_____^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -60,9 +105,22 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl PartialEq for G { | ^^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `fun2` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `fun2` + --> $DIR/generics.rs:54:5 + | +LL | impl PartialEq for G { + | ^ ------------ - may need to be moved as well + | | | + | _____| may need to be moved as well + | | +LL | | +LL | | fn eq(&self, _: &B) -> bool { +LL | | true +LL | | } +LL | | } + | |_____^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -71,9 +129,22 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl From>> for () { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `rawr` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `rawr` + --> $DIR/generics.rs:69:5 + | +LL | impl From>> for () { + | ^ ---------------------- -- may need to be moved as well + | | | + | _____| may need to be moved as well + | | +LL | | +LL | | fn from(_: Wrap>) -> Self { +LL | | todo!() +LL | | } +LL | | } + | |_____^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -82,9 +153,22 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl From<()> for Wrap { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `rawr` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `rawr` + --> $DIR/generics.rs:76:5 + | +LL | impl From<()> for Wrap { + | ^ -------- ---------- may need to be moved as well + | | | + | _____| may need to be moved as well + | | +LL | | +LL | | fn from(_: ()) -> Self { +LL | | todo!() +LL | | } +LL | | } + | |_____^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: 8 warnings emitted diff --git a/tests/ui/lint/non-local-defs/inside-macro_rules.stderr b/tests/ui/lint/non-local-defs/inside-macro_rules.stderr index cace400082ac..0325fd2bdc7f 100644 --- a/tests/ui/lint/non-local-defs/inside-macro_rules.stderr +++ b/tests/ui/lint/non-local-defs/inside-macro_rules.stderr @@ -7,9 +7,19 @@ LL | impl MacroTrait for OutsideStruct {} LL | m!(); | ---- in this macro invocation | - = help: move this `impl` block outside the of the current function `my_func` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `my_func` + --> $DIR/inside-macro_rules.rs:9:13 + | +LL | impl MacroTrait for OutsideStruct {} + | ^^^^^----------^^^^^-------------^^^ + | | | + | | may need to be moved as well + | may need to be moved as well +... +LL | m!(); + | ---- in this macro invocation = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default = note: this warning originates in the macro `m` (in Nightly builds, run with -Z macro-backtrace for more info) diff --git a/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr b/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr index 45bc86162ebf..b52ea62230a7 100644 --- a/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr +++ b/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr @@ -4,9 +4,16 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Test for &Local {} | ^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current function `main` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `main` + --> $DIR/trait-solver-overflow-123573.rs:12:5 + | +LL | impl Test for &Local {} + | ^^^^^----^^^^^------^^^ + | | | + | | may need to be moved as well + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default diff --git a/tests/ui/lint/non-local-defs/weird-exprs.stderr b/tests/ui/lint/non-local-defs/weird-exprs.stderr index af6df2165d16..d49e2b777ddb 100644 --- a/tests/ui/lint/non-local-defs/weird-exprs.stderr +++ b/tests/ui/lint/non-local-defs/weird-exprs.stderr @@ -4,9 +4,16 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Uto for *mut Test {} | ^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current constant expression `` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current constant expression `` + --> $DIR/weird-exprs.rs:8:5 + | +LL | impl Uto for *mut Test {} + | ^^^^^---^^^^^---------^^^ + | | | + | | may need to be moved as well + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default @@ -16,9 +23,16 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Uto for Test {} | ^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current constant expression `` = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current constant expression `` + --> $DIR/weird-exprs.rs:16:9 + | +LL | impl Uto for Test {} + | ^^^^^---^^^^^----^^^ + | | | + | | may need to be moved as well + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -27,8 +41,18 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Test { | ^^^^^^^^^ | - = help: move this `impl` block outside the of the current constant expression `` and up 2 bodies = note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block +help: move this `impl` block outside of the current constant expression `` and up 2 bodies + --> $DIR/weird-exprs.rs:25:9 + | +LL | impl Test { + | ^ ---- may need to be moved as well + | _________| + | | +LL | | +LL | | fn bar() {} +LL | | } + | |_________^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -37,9 +61,16 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Uto for &Test {} | ^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current constant expression `` and up 2 bodies = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current constant expression `` and up 2 bodies + --> $DIR/weird-exprs.rs:34:9 + | +LL | impl Uto for &Test {} + | ^^^^^---^^^^^-----^^^ + | | | + | | may need to be moved as well + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -48,9 +79,16 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Uto for &(Test,) {} | ^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current constant expression `` and up 2 bodies = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current constant expression `` and up 2 bodies + --> $DIR/weird-exprs.rs:41:9 + | +LL | impl Uto for &(Test,) {} + | ^^^^^---^^^^^--------^^^ + | | | + | | may need to be moved as well + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -59,9 +97,16 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Uto for &(Test,Test) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: move this `impl` block outside the of the current constant expression `` and up 2 bodies = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current constant expression `` and up 2 bodies + --> $DIR/weird-exprs.rs:48:9 + | +LL | impl Uto for &(Test,Test) {} + | ^^^^^---^^^^^------------^^^ + | | | + | | may need to be moved as well + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: 6 warnings emitted From 402580bcd5ade168a3a7edd0713821fa7d06dc2c Mon Sep 17 00:00:00 2001 From: Urgau Date: Wed, 15 May 2024 07:54:37 +0200 Subject: [PATCH 0620/1716] non_local_defs: improve exception note for impl and macro_rules! - Remove wrong exception text for non-local macro_rules! - Simplify anonymous const exception note --- compiler/rustc_lint/messages.ftl | 3 +-- compiler/rustc_lint/src/lints.rs | 1 - tests/rustdoc-ui/doctest/non_local_defs.stderr | 1 - tests/ui/lint/non-local-defs/cargo-update.stderr | 2 +- tests/ui/lint/non-local-defs/consts.stderr | 8 ++++---- tests/ui/lint/non-local-defs/macro_rules.stderr | 4 ---- tests/ui/proc-macro/nested-macro-rules.stderr | 1 - 7 files changed, 6 insertions(+), 14 deletions(-) diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index 8582148e26cf..13f6d116b816 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -551,7 +551,7 @@ lint_non_local_definitions_impl = non-local `impl` definition, `impl` blocks sho .without_trait = methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block .with_trait = an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` .bounds = `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type - .exception = anon-const (`const _: () = {"{"} ... {"}"}`) at top-level module and anon-const at the same nesting as the trait or type are consider to be transparent regarding the nesting level + .exception = items in an anonymous const item (`const _: () = {"{"} ... {"}"}`) are treated as in the same scope as the anonymous const's declaration .const_anon = use a const-anon item to suppress this lint lint_non_local_definitions_macro_rules = non-local `macro_rules!` definition, `#[macro_export]` macro should be written at top level module @@ -563,7 +563,6 @@ lint_non_local_definitions_macro_rules = non-local `macro_rules!` definition, `# .help_doctest = remove the `#[macro_export]` or make this doc-test a standalone test with its own `fn main() {"{"} ... {"}"}` .non_local = a `macro_rules!` definition is non-local if it is nested inside an item and has a `#[macro_export]` attribute - .exception = one exception to the rule are anon-const (`const _: () = {"{"} ... {"}"}`) at top-level module lint_non_local_definitions_may_move = may need to be moved as well diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index 305cc67c1ee8..800cd398adb7 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -1421,7 +1421,6 @@ impl<'a> LintDiagnostic<'a, ()> for NonLocalDefinitionsDiag { } diag.note(fluent::lint_non_local); - diag.note(fluent::lint_exception); diag.note(fluent::lint_non_local_definitions_deprecation); if let Some(cargo_update) = cargo_update { diff --git a/tests/rustdoc-ui/doctest/non_local_defs.stderr b/tests/rustdoc-ui/doctest/non_local_defs.stderr index f8dffe10c11f..2b47e6b5bc4d 100644 --- a/tests/rustdoc-ui/doctest/non_local_defs.stderr +++ b/tests/rustdoc-ui/doctest/non_local_defs.stderr @@ -6,7 +6,6 @@ LL | macro_rules! a_macro { () => {} } | = help: remove the `#[macro_export]` or make this doc-test a standalone test with its own `fn main() { ... }` = note: a `macro_rules!` definition is non-local if it is nested inside an item and has a `#[macro_export]` attribute - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default diff --git a/tests/ui/lint/non-local-defs/cargo-update.stderr b/tests/ui/lint/non-local-defs/cargo-update.stderr index 9c9f24cd2e9f..617a45aaec87 100644 --- a/tests/ui/lint/non-local-defs/cargo-update.stderr +++ b/tests/ui/lint/non-local-defs/cargo-update.stderr @@ -15,7 +15,7 @@ LL | non_local_macro::non_local_impl!(LocalStruct); | may need to be moved as well | may need to be moved as well = note: the macro `non_local_macro::non_local_impl` may come from an old version of the `non_local_macro` crate, try updating your dependency with `cargo update -p non_local_macro` - = note: anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type are consider to be transparent regarding the nesting level + = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default = note: this warning originates in the macro `non_local_macro::non_local_impl` (in Nightly builds, run with -Z macro-backtrace for more info) diff --git a/tests/ui/lint/non-local-defs/consts.stderr b/tests/ui/lint/non-local-defs/consts.stderr index 7abf795079e4..c05c68d0b55e 100644 --- a/tests/ui/lint/non-local-defs/consts.stderr +++ b/tests/ui/lint/non-local-defs/consts.stderr @@ -17,7 +17,7 @@ LL | impl Uto for &Test {} | | | | | may need to be moved as well | may need to be moved as well - = note: anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type are consider to be transparent regarding the nesting level + = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default @@ -37,7 +37,7 @@ LL | impl Uto2 for Test {} | | | | | may need to be moved as well | may need to be moved as well - = note: anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type are consider to be transparent regarding the nesting level + = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -56,7 +56,7 @@ LL | impl Uto3 for Test {} | | | | | may need to be moved as well | may need to be moved as well - = note: anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type are consider to be transparent regarding the nesting level + = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -117,7 +117,7 @@ LL | | LL | | fn foo2() {} LL | | } | |_________^ - = note: anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type are consider to be transparent regarding the nesting level + = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item diff --git a/tests/ui/lint/non-local-defs/macro_rules.stderr b/tests/ui/lint/non-local-defs/macro_rules.stderr index 57dbdef1ae3e..4e86fc7b987e 100644 --- a/tests/ui/lint/non-local-defs/macro_rules.stderr +++ b/tests/ui/lint/non-local-defs/macro_rules.stderr @@ -6,7 +6,6 @@ LL | macro_rules! m0 { () => { } }; | = help: remove the `#[macro_export]` or move this `macro_rules!` outside the of the current constant `B` = note: a `macro_rules!` definition is non-local if it is nested inside an item and has a `#[macro_export]` attribute - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default @@ -18,7 +17,6 @@ LL | non_local_macro::non_local_macro_rules!(my_macro); | = help: remove the `#[macro_export]` or move this `macro_rules!` outside the of the current constant `_MACRO_EXPORT` = note: a `macro_rules!` definition is non-local if it is nested inside an item and has a `#[macro_export]` attribute - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: the macro `non_local_macro::non_local_macro_rules` may come from an old version of the `non_local_macro` crate, try updating your dependency with `cargo update -p non_local_macro` = note: this warning originates in the macro `non_local_macro::non_local_macro_rules` (in Nightly builds, run with -Z macro-backtrace for more info) @@ -31,7 +29,6 @@ LL | macro_rules! m { () => { } }; | = help: remove the `#[macro_export]` or move this `macro_rules!` outside the of the current function `main` = note: a `macro_rules!` definition is non-local if it is nested inside an item and has a `#[macro_export]` attribute - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `macro_rules!` definition, `#[macro_export]` macro should be written at top level module @@ -42,7 +39,6 @@ LL | macro_rules! m2 { () => { } }; | = help: remove the `#[macro_export]` or move this `macro_rules!` outside the of the current associated function `bar` and up 2 bodies = note: a `macro_rules!` definition is non-local if it is nested inside an item and has a `#[macro_export]` attribute - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: 4 warnings emitted diff --git a/tests/ui/proc-macro/nested-macro-rules.stderr b/tests/ui/proc-macro/nested-macro-rules.stderr index 7b5258a15747..8fe041d61b81 100644 --- a/tests/ui/proc-macro/nested-macro-rules.stderr +++ b/tests/ui/proc-macro/nested-macro-rules.stderr @@ -19,7 +19,6 @@ LL | nested_macro_rules::outer_macro!(SecondStruct, SecondAttrStruct); | = help: remove the `#[macro_export]` or move this `macro_rules!` outside the of the current function `main` = note: a `macro_rules!` definition is non-local if it is nested inside an item and has a `#[macro_export]` attribute - = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue note: the lint level is defined here --> $DIR/nested-macro-rules.rs:8:9 From d3dfe14b53e2211138e3a4eae5915351ff62f5bc Mon Sep 17 00:00:00 2001 From: Urgau Date: Wed, 15 May 2024 14:08:28 +0200 Subject: [PATCH 0621/1716] non_local_defs: be more precise about what needs to be moved --- compiler/rustc_lint/src/lints.rs | 12 +- compiler/rustc_lint/src/non_local_def.rs | 40 ++++++- .../lint/non-local-defs/cargo-update.stderr | 3 - tests/ui/lint/non-local-defs/consts.stderr | 40 ++----- .../non-local-defs/exhaustive-trait.stderr | 36 +----- .../ui/lint/non-local-defs/exhaustive.stderr | 113 +++++------------- .../from-local-for-global.stderr | 28 ++--- tests/ui/lint/non-local-defs/generics.stderr | 44 +++---- .../non-local-defs/inside-macro_rules.stderr | 5 +- .../non-local-defs/suggest-moving-inner.rs | 17 +++ .../suggest-moving-inner.stderr | 28 +++++ .../trait-solver-overflow-123573.stderr | 7 +- .../ui/lint/non-local-defs/weird-exprs.stderr | 30 +---- 13 files changed, 171 insertions(+), 232 deletions(-) create mode 100644 tests/ui/lint/non-local-defs/suggest-moving-inner.rs create mode 100644 tests/ui/lint/non-local-defs/suggest-moving-inner.stderr diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index 800cd398adb7..ad6e7b958c72 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -1337,8 +1337,7 @@ pub enum NonLocalDefinitionsDiag { cargo_update: Option, const_anon: Option>, move_help: Span, - self_ty: Span, - of_trait: Option, + may_move: Vec, has_trait: bool, }, MacroRules { @@ -1361,8 +1360,7 @@ impl<'a> LintDiagnostic<'a, ()> for NonLocalDefinitionsDiag { cargo_update, const_anon, move_help, - self_ty, - of_trait, + may_move, has_trait, } => { diag.primary_message(fluent::lint_non_local_definitions_impl); @@ -1376,10 +1374,10 @@ impl<'a> LintDiagnostic<'a, ()> for NonLocalDefinitionsDiag { } else { diag.note(fluent::lint_without_trait); } + let mut ms = MultiSpan::from_span(move_help); - ms.push_span_label(self_ty, fluent::lint_non_local_definitions_may_move); - if let Some(of_trait) = of_trait { - ms.push_span_label(of_trait, fluent::lint_non_local_definitions_may_move); + for sp in may_move { + ms.push_span_label(sp, fluent::lint_non_local_definitions_may_move); } diag.span_help(ms, fluent::lint_help); diff --git a/compiler/rustc_lint/src/non_local_def.rs b/compiler/rustc_lint/src/non_local_def.rs index 6b75e546a66d..0805c2e27668 100644 --- a/compiler/rustc_lint/src/non_local_def.rs +++ b/compiler/rustc_lint/src/non_local_def.rs @@ -1,3 +1,5 @@ +use rustc_hir::intravisit::{self, Visitor}; +use rustc_hir::HirId; use rustc_hir::{def::DefKind, Body, Item, ItemKind, Node, TyKind}; use rustc_hir::{Path, QPath}; use rustc_infer::infer::InferCtxt; @@ -214,6 +216,29 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions { None }; + let mut collector = PathCollector { paths: Vec::new() }; + collector.visit_ty(&impl_.self_ty); + if let Some(of_trait) = &impl_.of_trait { + collector.visit_trait_ref(of_trait); + } + collector.visit_generics(&impl_.generics); + + let may_move: Vec = collector + .paths + .into_iter() + .filter_map(|path| { + if path_has_local_parent(&path, cx, parent, parent_parent) { + if let Some(args) = &path.segments.last().unwrap().args { + Some(path.span.until(args.span_ext)) + } else { + Some(path.span) + } + } else { + None + } + }) + .collect(); + let const_anon = matches!(parent_def_kind, DefKind::Const | DefKind::Static { .. }) .then_some(span_for_const_anon_suggestion); @@ -223,14 +248,13 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions { NonLocalDefinitionsDiag::Impl { depth: self.body_depth, move_help: item.span, - self_ty: impl_.self_ty.span, - of_trait: impl_.of_trait.map(|t| t.path.span), body_kind_descr: cx.tcx.def_kind_descr(parent_def_kind, parent), body_name: parent_opt_item_name .map(|s| s.to_ident_string()) .unwrap_or_else(|| "".to_string()), cargo_update: cargo_update(), const_anon, + may_move, has_trait: impl_.of_trait.is_some(), }, ) @@ -348,6 +372,18 @@ impl<'a, 'tcx, F: FnMut(DefId) -> bool> TypeFolder> } } +/// Simple hir::Path collector +struct PathCollector<'tcx> { + paths: Vec>, +} + +impl<'tcx> Visitor<'tcx> for PathCollector<'tcx> { + fn visit_path(&mut self, path: &Path<'tcx>, _id: HirId) { + self.paths.push(path.clone()); // need to clone, bc of the restricted lifetime + intravisit::walk_path(self, path) + } +} + /// Given a path and a parent impl def id, this checks if the if parent resolution /// def id correspond to the def id of the parent impl definition. /// diff --git a/tests/ui/lint/non-local-defs/cargo-update.stderr b/tests/ui/lint/non-local-defs/cargo-update.stderr index 617a45aaec87..30696b0f8e50 100644 --- a/tests/ui/lint/non-local-defs/cargo-update.stderr +++ b/tests/ui/lint/non-local-defs/cargo-update.stderr @@ -11,9 +11,6 @@ help: move this `impl` block outside of the current constant `_IMPL_DEBUG` | LL | non_local_macro::non_local_impl!(LocalStruct); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | | - | may need to be moved as well - | may need to be moved as well = note: the macro `non_local_macro::non_local_impl` may come from an old version of the `non_local_macro` crate, try updating your dependency with `cargo update -p non_local_macro` = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue diff --git a/tests/ui/lint/non-local-defs/consts.stderr b/tests/ui/lint/non-local-defs/consts.stderr index c05c68d0b55e..820e3a2d6e0c 100644 --- a/tests/ui/lint/non-local-defs/consts.stderr +++ b/tests/ui/lint/non-local-defs/consts.stderr @@ -13,10 +13,7 @@ help: move this `impl` block outside of the current constant `Z` --> $DIR/consts.rs:13:5 | LL | impl Uto for &Test {} - | ^^^^^---^^^^^-----^^^ - | | | - | | may need to be moved as well - | may need to be moved as well + | ^^^^^^^^^^^^^^^^^^^^^ = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default @@ -33,10 +30,7 @@ help: move this `impl` block outside of the current static `A` --> $DIR/consts.rs:24:5 | LL | impl Uto2 for Test {} - | ^^^^^----^^^^^----^^^ - | | | - | | may need to be moved as well - | may need to be moved as well + | ^^^^^^^^^^^^^^^^^^^^^ = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue @@ -52,10 +46,7 @@ help: move this `impl` block outside of the current constant `B` --> $DIR/consts.rs:32:5 | LL | impl Uto3 for Test {} - | ^^^^^----^^^^^----^^^ - | | | - | | may need to be moved as well - | may need to be moved as well + | ^^^^^^^^^^^^^^^^^^^^^ = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue @@ -69,10 +60,7 @@ LL | impl Test { help: move this `impl` block outside of the current function `main` --> $DIR/consts.rs:43:5 | -LL | impl Test { - | ^ ---- may need to be moved as well - | _____| - | | +LL | / impl Test { LL | | LL | | fn foo() {} LL | | } @@ -89,10 +77,7 @@ LL | impl Test { help: move this `impl` block outside of the current inline constant `` and up 2 bodies --> $DIR/consts.rs:50:9 | -LL | impl Test { - | ^ ---- may need to be moved as well - | _________| - | | +LL | / impl Test { LL | | LL | | fn hoo() {} LL | | } @@ -109,10 +94,7 @@ LL | impl Test { help: move this `impl` block outside of the current constant `_` and up 2 bodies --> $DIR/consts.rs:59:9 | -LL | impl Test { - | ^ ---- may need to be moved as well - | _________| - | | +LL | / impl Test { LL | | LL | | fn foo2() {} LL | | } @@ -132,10 +114,7 @@ help: move this `impl` block outside of the current closure `` and u --> $DIR/consts.rs:72:9 | LL | impl Uto9 for Test {} - | ^^^^^----^^^^^----^^^ - | | | - | | may need to be moved as well - | may need to be moved as well + | ^^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -150,10 +129,7 @@ help: move this `impl` block outside of the current constant expression ` $DIR/consts.rs:79:9 | LL | impl Uto10 for Test {} - | ^^^^^-----^^^^^----^^^ - | | | - | | may need to be moved as well - | may need to be moved as well + | ^^^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: 8 warnings emitted diff --git a/tests/ui/lint/non-local-defs/exhaustive-trait.stderr b/tests/ui/lint/non-local-defs/exhaustive-trait.stderr index 031927ba6692..a9e3624fde50 100644 --- a/tests/ui/lint/non-local-defs/exhaustive-trait.stderr +++ b/tests/ui/lint/non-local-defs/exhaustive-trait.stderr @@ -9,11 +9,7 @@ LL | impl PartialEq<()> for Dog { help: move this `impl` block outside of the current function `main` --> $DIR/exhaustive-trait.rs:7:5 | -LL | impl PartialEq<()> for Dog { - | ^ ------------- --- may need to be moved as well - | | | - | _____| may need to be moved as well - | | +LL | / impl PartialEq<()> for Dog { LL | | LL | | fn eq(&self, _: &()) -> bool { LL | | todo!() @@ -34,11 +30,7 @@ LL | impl PartialEq<()> for &Dog { help: move this `impl` block outside of the current function `main` --> $DIR/exhaustive-trait.rs:14:5 | -LL | impl PartialEq<()> for &Dog { - | ^ ------------- ---- may need to be moved as well - | | | - | _____| may need to be moved as well - | | +LL | / impl PartialEq<()> for &Dog { LL | | LL | | fn eq(&self, _: &()) -> bool { LL | | todo!() @@ -58,11 +50,7 @@ LL | impl PartialEq for () { help: move this `impl` block outside of the current function `main` --> $DIR/exhaustive-trait.rs:21:5 | -LL | impl PartialEq for () { - | ^ -------------- -- may need to be moved as well - | | | - | _____| may need to be moved as well - | | +LL | / impl PartialEq for () { LL | | LL | | fn eq(&self, _: &Dog) -> bool { LL | | todo!() @@ -82,11 +70,7 @@ LL | impl PartialEq<&Dog> for () { help: move this `impl` block outside of the current function `main` --> $DIR/exhaustive-trait.rs:28:5 | -LL | impl PartialEq<&Dog> for () { - | ^ --------------- -- may need to be moved as well - | | | - | _____| may need to be moved as well - | | +LL | / impl PartialEq<&Dog> for () { LL | | LL | | fn eq(&self, _: &&Dog) -> bool { LL | | todo!() @@ -106,11 +90,7 @@ LL | impl PartialEq for &Dog { help: move this `impl` block outside of the current function `main` --> $DIR/exhaustive-trait.rs:35:5 | -LL | impl PartialEq for &Dog { - | ^ -------------- ---- may need to be moved as well - | | | - | _____| may need to be moved as well - | | +LL | / impl PartialEq for &Dog { LL | | LL | | fn eq(&self, _: &Dog) -> bool { LL | | todo!() @@ -130,11 +110,7 @@ LL | impl PartialEq<&Dog> for &Dog { help: move this `impl` block outside of the current function `main` --> $DIR/exhaustive-trait.rs:42:5 | -LL | impl PartialEq<&Dog> for &Dog { - | ^ --------------- ---- may need to be moved as well - | | | - | _____| may need to be moved as well - | | +LL | / impl PartialEq<&Dog> for &Dog { LL | | LL | | fn eq(&self, _: &&Dog) -> bool { LL | | todo!() diff --git a/tests/ui/lint/non-local-defs/exhaustive.stderr b/tests/ui/lint/non-local-defs/exhaustive.stderr index 91d4b2d4f654..c6b8dc26e31c 100644 --- a/tests/ui/lint/non-local-defs/exhaustive.stderr +++ b/tests/ui/lint/non-local-defs/exhaustive.stderr @@ -8,10 +8,7 @@ LL | impl Test { help: move this `impl` block outside of the current function `main` --> $DIR/exhaustive.rs:10:5 | -LL | impl Test { - | ^ ---- may need to be moved as well - | _____| - | | +LL | / impl Test { LL | | LL | | fn foo() {} LL | | } @@ -30,11 +27,7 @@ LL | impl Display for Test { help: move this `impl` block outside of the current function `main` --> $DIR/exhaustive.rs:15:5 | -LL | impl Display for Test { - | ^ ------- ---- may need to be moved as well - | | | - | _____| may need to be moved as well - | | +LL | / impl Display for Test { LL | | LL | | fn fmt(&self, _f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { LL | | todo!() @@ -54,9 +47,7 @@ help: move this `impl` block outside of the current function `main` --> $DIR/exhaustive.rs:22:5 | LL | impl dyn Trait {} - | ^^^^^---------^^^ - | | - | may need to be moved as well + | ^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -71,10 +62,7 @@ help: move this `impl` block outside of the current function `main` --> $DIR/exhaustive.rs:25:5 | LL | impl Trait for Vec { } - | ^^^^^^^^^^^^^^^-----^^^^^------^^^^ - | | | - | | may need to be moved as well - | may need to be moved as well + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -89,10 +77,7 @@ help: move this `impl` block outside of the current function `main` --> $DIR/exhaustive.rs:28:5 | LL | impl Trait for &dyn Trait {} - | ^^^^^-----^^^^^----------^^^ - | | | - | | may need to be moved as well - | may need to be moved as well + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -107,10 +92,7 @@ help: move this `impl` block outside of the current function `main` --> $DIR/exhaustive.rs:31:5 | LL | impl Trait for *mut Test {} - | ^^^^^-----^^^^^---------^^^ - | | | - | | may need to be moved as well - | may need to be moved as well + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -125,10 +107,7 @@ help: move this `impl` block outside of the current function `main` --> $DIR/exhaustive.rs:34:5 | LL | impl Trait for *mut [Test] {} - | ^^^^^-----^^^^^-----------^^^ - | | | - | | may need to be moved as well - | may need to be moved as well + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -143,10 +122,7 @@ help: move this `impl` block outside of the current function `main` --> $DIR/exhaustive.rs:37:5 | LL | impl Trait for [Test; 8] {} - | ^^^^^-----^^^^^---------^^^ - | | | - | | may need to be moved as well - | may need to be moved as well + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -161,10 +137,7 @@ help: move this `impl` block outside of the current function `main` --> $DIR/exhaustive.rs:40:5 | LL | impl Trait for (Test,) {} - | ^^^^^-----^^^^^-------^^^ - | | | - | | may need to be moved as well - | may need to be moved as well + | ^^^^^^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -179,10 +152,7 @@ help: move this `impl` block outside of the current function `main` --> $DIR/exhaustive.rs:43:5 | LL | impl Trait for fn(Test) -> () {} - | ^^^^^-----^^^^^--------------^^^ - | | | - | | may need to be moved as well - | may need to be moved as well + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -197,10 +167,7 @@ help: move this `impl` block outside of the current function `main` --> $DIR/exhaustive.rs:46:5 | LL | impl Trait for fn() -> Test {} - | ^^^^^-----^^^^^------------^^^ - | | | - | | may need to be moved as well - | may need to be moved as well + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -215,10 +182,7 @@ help: move this `impl` block outside of the current closure `` and u --> $DIR/exhaustive.rs:50:9 | LL | impl Trait for Test {} - | ^^^^^-----^^^^^----^^^ - | | | - | | may need to be moved as well - | may need to be moved as well + | ^^^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -233,10 +197,9 @@ help: move this `impl` block outside of the current function `main` --> $DIR/exhaustive.rs:58:5 | LL | impl Trait for *mut InsideMain {} - | ^^^^^-----^^^^^---------------^^^ - | | | - | | may need to be moved as well - | may need to be moved as well + | ^^^^^^^^^^^^^^^^^^^^----------^^^ + | | + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -251,10 +214,9 @@ help: move this `impl` block outside of the current function `main` --> $DIR/exhaustive.rs:60:5 | LL | impl Trait for *mut [InsideMain] {} - | ^^^^^-----^^^^^-----------------^^^ - | | | - | | may need to be moved as well - | may need to be moved as well + | ^^^^^^^^^^^^^^^^^^^^^----------^^^^ + | | + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -269,10 +231,9 @@ help: move this `impl` block outside of the current function `main` --> $DIR/exhaustive.rs:62:5 | LL | impl Trait for [InsideMain; 8] {} - | ^^^^^-----^^^^^---------------^^^ - | | | - | | may need to be moved as well - | may need to be moved as well + | ^^^^^^^^^^^^^^^^----------^^^^^^^ + | | + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -287,10 +248,9 @@ help: move this `impl` block outside of the current function `main` --> $DIR/exhaustive.rs:64:5 | LL | impl Trait for (InsideMain,) {} - | ^^^^^-----^^^^^-------------^^^ - | | | - | | may need to be moved as well - | may need to be moved as well + | ^^^^^^^^^^^^^^^^----------^^^^^ + | | + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -305,10 +265,9 @@ help: move this `impl` block outside of the current function `main` --> $DIR/exhaustive.rs:66:5 | LL | impl Trait for fn(InsideMain) -> () {} - | ^^^^^-----^^^^^--------------------^^^ - | | | - | | may need to be moved as well - | may need to be moved as well + | ^^^^^^^^^^^^^^^^^^----------^^^^^^^^^^ + | | + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -323,10 +282,9 @@ help: move this `impl` block outside of the current function `main` --> $DIR/exhaustive.rs:68:5 | LL | impl Trait for fn() -> InsideMain {} - | ^^^^^-----^^^^^------------------^^^ - | | | - | | may need to be moved as well - | may need to be moved as well + | ^^^^^^^^^^^^^^^^^^^^^^^----------^^^ + | | + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -340,11 +298,7 @@ LL | impl Display for InsideMain { help: move this `impl` block outside of the current function `inside_inside` and up 2 bodies --> $DIR/exhaustive.rs:72:9 | -LL | impl Display for InsideMain { - | ^ ------- ---------- may need to be moved as well - | | | - | _________| may need to be moved as well - | | +LL | / impl Display for InsideMain { LL | | LL | | fn fmt(&self, _f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { LL | | todo!() @@ -363,10 +317,7 @@ LL | impl InsideMain { help: move this `impl` block outside of the current function `inside_inside` and up 2 bodies --> $DIR/exhaustive.rs:79:9 | -LL | impl InsideMain { - | ^ ---------- may need to be moved as well - | _________| - | | +LL | / impl InsideMain { LL | | LL | | fn bar() {} LL | | } diff --git a/tests/ui/lint/non-local-defs/from-local-for-global.stderr b/tests/ui/lint/non-local-defs/from-local-for-global.stderr index de3fabc97f49..27ffe35532a3 100644 --- a/tests/ui/lint/non-local-defs/from-local-for-global.stderr +++ b/tests/ui/lint/non-local-defs/from-local-for-global.stderr @@ -9,11 +9,7 @@ LL | impl From for () { help: move this `impl` block outside of the current function `main` --> $DIR/from-local-for-global.rs:8:5 | -LL | impl From for () { - | ^ --------- -- may need to be moved as well - | | | - | _____| may need to be moved as well - | | +LL | / impl From for () { LL | | LL | | fn from(_: Cat) -> () { LL | | todo!() @@ -35,9 +31,8 @@ help: move this `impl` block outside of the current function `main` --> $DIR/from-local-for-global.rs:18:5 | LL | impl From>> for () { - | ^ -------------------------- -- may need to be moved as well - | | | - | _____| may need to be moved as well + | ^ -------- may need to be moved as well + | _____| | | LL | | LL | | fn from(_: Wrap>) -> Self { @@ -59,10 +54,9 @@ help: move this `impl` block outside of the current function `only_global` --> $DIR/from-local-for-global.rs:32:5 | LL | impl StillNonLocal for &Foo {} - | ^^^^^-------------^^^^^----^^^ - | | | - | | may need to be moved as well - | may need to be moved as well + | ^^^^^^^^^^^^^^^^^^^^^^^^---^^^ + | | + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -77,9 +71,8 @@ help: move this `impl` block outside of the current function `same_function` --> $DIR/from-local-for-global.rs:40:5 | LL | impl From for GlobalSameFunction { - | ^ ------------ ------------------ may need to be moved as well - | | | - | _____| may need to be moved as well + | ^ ------ may need to be moved as well + | _____| | | LL | | LL | | fn from(x: Local1) -> GlobalSameFunction { @@ -101,9 +94,8 @@ help: move this `impl` block outside of the current function `same_function` --> $DIR/from-local-for-global.rs:48:5 | LL | impl From for GlobalSameFunction { - | ^ ------------ ------------------ may need to be moved as well - | | | - | _____| may need to be moved as well + | ^ ------ may need to be moved as well + | _____| | | LL | | LL | | fn from(x: Local2) -> GlobalSameFunction { diff --git a/tests/ui/lint/non-local-defs/generics.stderr b/tests/ui/lint/non-local-defs/generics.stderr index 8ef6e3b71daf..1adefd40ffb0 100644 --- a/tests/ui/lint/non-local-defs/generics.stderr +++ b/tests/ui/lint/non-local-defs/generics.stderr @@ -10,10 +10,9 @@ help: move this `impl` block outside of the current function `main` --> $DIR/generics.rs:9:5 | LL | impl Global for Vec { } - | ^^^^^^^^^^^^^^^------^^^^^------^^^^ - | | | - | | may need to be moved as well - | may need to be moved as well + | ^^^^^^^^-----^^^^^^^^^^^^^^^^^^^^^^^ + | | + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default @@ -29,10 +28,9 @@ help: move this `impl` block outside of the current function `bad` --> $DIR/generics.rs:20:5 | LL | impl Uto7 for Test where Local: std::any::Any {} - | ^^^^^----^^^^^----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | | | - | | may need to be moved as well - | may need to be moved as well + | ^^^^^^^^^^^^^^^^^^^^^^^^^-----^^^^^^^^^^^^^^^^^^ + | | + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -47,10 +45,7 @@ help: move this `impl` block outside of the current function `bad` --> $DIR/generics.rs:23:5 | LL | impl Uto8 for T {} - | ^^^^^^^^----^^^^^-^^^ - | | | - | | may need to be moved as well - | may need to be moved as well + | ^^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -65,9 +60,8 @@ help: move this `impl` block outside of the current function `fun` --> $DIR/generics.rs:32:5 | LL | impl Default for UwU { - | ^ ------- -------- may need to be moved as well - | | | - | _____| may need to be moved as well + | ^ --- may need to be moved as well + | _____| | | LL | | LL | | fn default() -> Self { @@ -89,9 +83,8 @@ help: move this `impl` block outside of the current function `meow` --> $DIR/generics.rs:43:5 | LL | impl AsRef for () { - | ^ ---------- -- may need to be moved as well - | | | - | _____| may need to be moved as well + | ^ --- may need to be moved as well + | _____| | | LL | | LL | | fn as_ref(&self) -> &Cat { &Cat } @@ -111,9 +104,8 @@ help: move this `impl` block outside of the current function `fun2` --> $DIR/generics.rs:54:5 | LL | impl PartialEq for G { - | ^ ------------ - may need to be moved as well - | | | - | _____| may need to be moved as well + | ^ - may need to be moved as well + | _____| | | LL | | LL | | fn eq(&self, _: &B) -> bool { @@ -135,9 +127,8 @@ help: move this `impl` block outside of the current function `rawr` --> $DIR/generics.rs:69:5 | LL | impl From>> for () { - | ^ ---------------------- -- may need to be moved as well - | | | - | _____| may need to be moved as well + | ^ ---- may need to be moved as well + | _____| | | LL | | LL | | fn from(_: Wrap>) -> Self { @@ -159,9 +150,8 @@ help: move this `impl` block outside of the current function `rawr` --> $DIR/generics.rs:76:5 | LL | impl From<()> for Wrap { - | ^ -------- ---------- may need to be moved as well - | | | - | _____| may need to be moved as well + | ^ ---- may need to be moved as well + | _____| | | LL | | LL | | fn from(_: ()) -> Self { diff --git a/tests/ui/lint/non-local-defs/inside-macro_rules.stderr b/tests/ui/lint/non-local-defs/inside-macro_rules.stderr index 0325fd2bdc7f..fea211a4e507 100644 --- a/tests/ui/lint/non-local-defs/inside-macro_rules.stderr +++ b/tests/ui/lint/non-local-defs/inside-macro_rules.stderr @@ -13,10 +13,7 @@ help: move this `impl` block outside of the current function `my_func` --> $DIR/inside-macro_rules.rs:9:13 | LL | impl MacroTrait for OutsideStruct {} - | ^^^^^----------^^^^^-------------^^^ - | | | - | | may need to be moved as well - | may need to be moved as well + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ... LL | m!(); | ---- in this macro invocation diff --git a/tests/ui/lint/non-local-defs/suggest-moving-inner.rs b/tests/ui/lint/non-local-defs/suggest-moving-inner.rs new file mode 100644 index 000000000000..61b32e5bad9f --- /dev/null +++ b/tests/ui/lint/non-local-defs/suggest-moving-inner.rs @@ -0,0 +1,17 @@ +//@ check-pass + +trait Trait {} + +fn main() { + mod below { + pub struct Type(T); + } + struct InsideMain; + trait HasFoo {} + + impl Trait for &Vec> + //~^ WARN non-local `impl` definition + where + T: HasFoo + {} +} diff --git a/tests/ui/lint/non-local-defs/suggest-moving-inner.stderr b/tests/ui/lint/non-local-defs/suggest-moving-inner.stderr new file mode 100644 index 000000000000..83557a7b9a27 --- /dev/null +++ b/tests/ui/lint/non-local-defs/suggest-moving-inner.stderr @@ -0,0 +1,28 @@ +warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item + --> $DIR/suggest-moving-inner.rs:12:5 + | +LL | impl Trait for &Vec> + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` +help: move this `impl` block outside of the current function `main` + --> $DIR/suggest-moving-inner.rs:12:5 + | +LL | impl Trait for &Vec> + | ^ ---------- ----------- ---------- may need to be moved as well + | | | | + | | | may need to be moved as well + | _____| may need to be moved as well + | | +LL | | +LL | | where +LL | | T: HasFoo + | | ------ may need to be moved as well +LL | | {} + | |______^ + = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue + = note: `#[warn(non_local_definitions)]` on by default + +warning: 1 warning emitted + diff --git a/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr b/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr index b52ea62230a7..252296099f60 100644 --- a/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr +++ b/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr @@ -10,10 +10,9 @@ help: move this `impl` block outside of the current function `main` --> $DIR/trait-solver-overflow-123573.rs:12:5 | LL | impl Test for &Local {} - | ^^^^^----^^^^^------^^^ - | | | - | | may need to be moved as well - | may need to be moved as well + | ^^^^^^^^^^^^^^^-----^^^ + | | + | may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default diff --git a/tests/ui/lint/non-local-defs/weird-exprs.stderr b/tests/ui/lint/non-local-defs/weird-exprs.stderr index d49e2b777ddb..e8cd4ffef095 100644 --- a/tests/ui/lint/non-local-defs/weird-exprs.stderr +++ b/tests/ui/lint/non-local-defs/weird-exprs.stderr @@ -10,10 +10,7 @@ help: move this `impl` block outside of the current constant expression ` $DIR/weird-exprs.rs:8:5 | LL | impl Uto for *mut Test {} - | ^^^^^---^^^^^---------^^^ - | | | - | | may need to be moved as well - | may need to be moved as well + | ^^^^^^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default @@ -29,10 +26,7 @@ help: move this `impl` block outside of the current constant expression ` $DIR/weird-exprs.rs:16:9 | LL | impl Uto for Test {} - | ^^^^^---^^^^^----^^^ - | | | - | | may need to be moved as well - | may need to be moved as well + | ^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -45,10 +39,7 @@ LL | impl Test { help: move this `impl` block outside of the current constant expression `` and up 2 bodies --> $DIR/weird-exprs.rs:25:9 | -LL | impl Test { - | ^ ---- may need to be moved as well - | _________| - | | +LL | / impl Test { LL | | LL | | fn bar() {} LL | | } @@ -67,10 +58,7 @@ help: move this `impl` block outside of the current constant expression ` $DIR/weird-exprs.rs:34:9 | LL | impl Uto for &Test {} - | ^^^^^---^^^^^-----^^^ - | | | - | | may need to be moved as well - | may need to be moved as well + | ^^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -85,10 +73,7 @@ help: move this `impl` block outside of the current constant expression ` $DIR/weird-exprs.rs:41:9 | LL | impl Uto for &(Test,) {} - | ^^^^^---^^^^^--------^^^ - | | | - | | may need to be moved as well - | may need to be moved as well + | ^^^^^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -103,10 +88,7 @@ help: move this `impl` block outside of the current constant expression ` $DIR/weird-exprs.rs:48:9 | LL | impl Uto for &(Test,Test) {} - | ^^^^^---^^^^^------------^^^ - | | | - | | may need to be moved as well - | may need to be moved as well + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: 6 warnings emitted From ab23fd8dea02b9e525771ed8ec6cca1ff6d414e4 Mon Sep 17 00:00:00 2001 From: Urgau Date: Wed, 15 May 2024 14:17:30 +0200 Subject: [PATCH 0622/1716] non_local_defs: improve main without a trait note --- compiler/rustc_lint/messages.ftl | 2 +- tests/ui/lint/non-local-defs/consts.stderr | 6 +++--- tests/ui/lint/non-local-defs/exhaustive.stderr | 6 +++--- tests/ui/lint/non-local-defs/weird-exprs.stderr | 2 +- 4 files changed, 8 insertions(+), 8 deletions(-) diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index 13f6d116b816..f1273b8bf4b5 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -548,7 +548,7 @@ lint_non_local_definitions_impl = non-local `impl` definition, `impl` blocks sho [one] `{$body_name}` *[other] `{$body_name}` and up {$depth} bodies } - .without_trait = methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block + .without_trait = methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` .with_trait = an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` .bounds = `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type .exception = items in an anonymous const item (`const _: () = {"{"} ... {"}"}`) are treated as in the same scope as the anonymous const's declaration diff --git a/tests/ui/lint/non-local-defs/consts.stderr b/tests/ui/lint/non-local-defs/consts.stderr index 820e3a2d6e0c..0528f63ac9c5 100644 --- a/tests/ui/lint/non-local-defs/consts.stderr +++ b/tests/ui/lint/non-local-defs/consts.stderr @@ -56,7 +56,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Test { | ^^^^^^^^^ | - = note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block + = note: methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` help: move this `impl` block outside of the current function `main` --> $DIR/consts.rs:43:5 | @@ -73,7 +73,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Test { | ^^^^^^^^^ | - = note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block + = note: methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` help: move this `impl` block outside of the current inline constant `` and up 2 bodies --> $DIR/consts.rs:50:9 | @@ -90,7 +90,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Test { | ^^^^^^^^^ | - = note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block + = note: methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` help: move this `impl` block outside of the current constant `_` and up 2 bodies --> $DIR/consts.rs:59:9 | diff --git a/tests/ui/lint/non-local-defs/exhaustive.stderr b/tests/ui/lint/non-local-defs/exhaustive.stderr index c6b8dc26e31c..29f5f14ef0d7 100644 --- a/tests/ui/lint/non-local-defs/exhaustive.stderr +++ b/tests/ui/lint/non-local-defs/exhaustive.stderr @@ -4,7 +4,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Test { | ^^^^^^^^^ | - = note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block + = note: methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` help: move this `impl` block outside of the current function `main` --> $DIR/exhaustive.rs:10:5 | @@ -42,7 +42,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl dyn Trait {} | ^^^^^^^^^^^^^^ | - = note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block + = note: methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` help: move this `impl` block outside of the current function `main` --> $DIR/exhaustive.rs:22:5 | @@ -313,7 +313,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl InsideMain { | ^^^^^^^^^^^^^^^ | - = note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block + = note: methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` help: move this `impl` block outside of the current function `inside_inside` and up 2 bodies --> $DIR/exhaustive.rs:79:9 | diff --git a/tests/ui/lint/non-local-defs/weird-exprs.stderr b/tests/ui/lint/non-local-defs/weird-exprs.stderr index e8cd4ffef095..cced11719032 100644 --- a/tests/ui/lint/non-local-defs/weird-exprs.stderr +++ b/tests/ui/lint/non-local-defs/weird-exprs.stderr @@ -35,7 +35,7 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam LL | impl Test { | ^^^^^^^^^ | - = note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block + = note: methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` help: move this `impl` block outside of the current constant expression `` and up 2 bodies --> $DIR/weird-exprs.rs:25:9 | From b71952904df8b48eb78ba54a1706680c722cb2cb Mon Sep 17 00:00:00 2001 From: Urgau Date: Wed, 15 May 2024 14:55:40 +0200 Subject: [PATCH 0623/1716] non_local_defs: suggest removing leading ref/ptr to make the impl local --- compiler/rustc_lint/messages.ftl | 3 +- compiler/rustc_lint/src/lints.rs | 14 +++- compiler/rustc_lint/src/non_local_def.rs | 80 ++++++++++++------- .../ui/lint/non-local-defs/exhaustive.stderr | 4 +- .../from-local-for-global.stderr | 4 +- .../trait-solver-overflow-123573.stderr | 4 +- 6 files changed, 75 insertions(+), 34 deletions(-) diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index f1273b8bf4b5..f93534c316f9 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -543,11 +543,12 @@ lint_non_local_definitions_cargo_update = the {$macro_kind} `{$macro_name}` may lint_non_local_definitions_deprecation = this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue lint_non_local_definitions_impl = non-local `impl` definition, `impl` blocks should be written at the same level as their item - .help = + .move_help = move this `impl` block outside of the current {$body_kind_descr} {$depth -> [one] `{$body_name}` *[other] `{$body_name}` and up {$depth} bodies } + .remove_help = remove `{$may_remove_part}` to make the `impl` local .without_trait = methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` .with_trait = an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` .bounds = `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index ad6e7b958c72..ca980d33e8ee 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -1338,6 +1338,7 @@ pub enum NonLocalDefinitionsDiag { const_anon: Option>, move_help: Span, may_move: Vec, + may_remove: Option<(Span, String)>, has_trait: bool, }, MacroRules { @@ -1361,6 +1362,7 @@ impl<'a> LintDiagnostic<'a, ()> for NonLocalDefinitionsDiag { const_anon, move_help, may_move, + may_remove, has_trait, } => { diag.primary_message(fluent::lint_non_local_definitions_impl); @@ -1379,7 +1381,17 @@ impl<'a> LintDiagnostic<'a, ()> for NonLocalDefinitionsDiag { for sp in may_move { ms.push_span_label(sp, fluent::lint_non_local_definitions_may_move); } - diag.span_help(ms, fluent::lint_help); + diag.span_help(ms, fluent::lint_move_help); + + if let Some((span, part)) = may_remove { + diag.arg("may_remove_part", part); + diag.span_suggestion( + span, + fluent::lint_remove_help, + "", + Applicability::MaybeIncorrect, + ); + } if let Some(cargo_update) = cargo_update { diag.subdiagnostic(&diag.dcx, cargo_update); diff --git a/compiler/rustc_lint/src/non_local_def.rs b/compiler/rustc_lint/src/non_local_def.rs index 0805c2e27668..ed932e1c235c 100644 --- a/compiler/rustc_lint/src/non_local_def.rs +++ b/compiler/rustc_lint/src/non_local_def.rs @@ -136,35 +136,8 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions { }; // Part 1: Is the Self type local? - let self_ty_has_local_parent = match impl_.self_ty.kind { - TyKind::Path(QPath::Resolved(_, ty_path)) => { - path_has_local_parent(ty_path, cx, parent, parent_parent) - } - TyKind::TraitObject([principle_poly_trait_ref, ..], _, _) => { - path_has_local_parent( - principle_poly_trait_ref.trait_ref.path, - cx, - parent, - parent_parent, - ) - } - TyKind::TraitObject([], _, _) - | TyKind::InferDelegation(_, _) - | TyKind::Slice(_) - | TyKind::Array(_, _) - | TyKind::Ptr(_) - | TyKind::Ref(_, _) - | TyKind::BareFn(_) - | TyKind::Never - | TyKind::Tup(_) - | TyKind::Path(_) - | TyKind::Pat(..) - | TyKind::AnonAdt(_) - | TyKind::OpaqueDef(_, _, _) - | TyKind::Typeof(_) - | TyKind::Infer - | TyKind::Err(_) => false, - }; + let self_ty_has_local_parent = + ty_has_local_parent(&impl_.self_ty.kind, cx, parent, parent_parent); if self_ty_has_local_parent { return; @@ -242,6 +215,18 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions { let const_anon = matches!(parent_def_kind, DefKind::Const | DefKind::Static { .. }) .then_some(span_for_const_anon_suggestion); + let may_remove = match &impl_.self_ty.kind { + TyKind::Ptr(mut_ty) | TyKind::Ref(_, mut_ty) + if ty_has_local_parent(&mut_ty.ty.kind, cx, parent, parent_parent) => + { + let type_ = + if matches!(impl_.self_ty.kind, TyKind::Ptr(_)) { "*" } else { "&" }; + let part = format!("{}{}", type_, mut_ty.mutbl.prefix_str()); + Some((impl_.self_ty.span.shrink_to_lo().until(mut_ty.ty.span), part)) + } + _ => None, + }; + cx.emit_span_lint( NON_LOCAL_DEFINITIONS, item.span.shrink_to_lo().to(impl_.self_ty.span), @@ -255,6 +240,7 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions { cargo_update: cargo_update(), const_anon, may_move, + may_remove, has_trait: impl_.of_trait.is_some(), }, ) @@ -384,6 +370,42 @@ impl<'tcx> Visitor<'tcx> for PathCollector<'tcx> { } } +/// Given a `Ty` we check if the (outermost) type is local. +fn ty_has_local_parent( + ty_kind: &TyKind<'_>, + cx: &LateContext<'_>, + impl_parent: DefId, + impl_parent_parent: Option, +) -> bool { + match ty_kind { + TyKind::Path(QPath::Resolved(_, ty_path)) => { + path_has_local_parent(ty_path, cx, impl_parent, impl_parent_parent) + } + TyKind::TraitObject([principle_poly_trait_ref, ..], _, _) => path_has_local_parent( + principle_poly_trait_ref.trait_ref.path, + cx, + impl_parent, + impl_parent_parent, + ), + TyKind::TraitObject([], _, _) + | TyKind::InferDelegation(_, _) + | TyKind::Slice(_) + | TyKind::Array(_, _) + | TyKind::Ptr(_) + | TyKind::Ref(_, _) + | TyKind::BareFn(_) + | TyKind::Never + | TyKind::Tup(_) + | TyKind::Path(_) + | TyKind::Pat(..) + | TyKind::AnonAdt(_) + | TyKind::OpaqueDef(_, _, _) + | TyKind::Typeof(_) + | TyKind::Infer + | TyKind::Err(_) => false, + } +} + /// Given a path and a parent impl def id, this checks if the if parent resolution /// def id correspond to the def id of the parent impl definition. /// diff --git a/tests/ui/lint/non-local-defs/exhaustive.stderr b/tests/ui/lint/non-local-defs/exhaustive.stderr index 29f5f14ef0d7..7316182a4df0 100644 --- a/tests/ui/lint/non-local-defs/exhaustive.stderr +++ b/tests/ui/lint/non-local-defs/exhaustive.stderr @@ -189,7 +189,9 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:58:5 | LL | impl Trait for *mut InsideMain {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^-----^^^^^^^^^^ + | | + | help: remove `*mut ` to make the `impl` local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` diff --git a/tests/ui/lint/non-local-defs/from-local-for-global.stderr b/tests/ui/lint/non-local-defs/from-local-for-global.stderr index 27ffe35532a3..683f80acbac7 100644 --- a/tests/ui/lint/non-local-defs/from-local-for-global.stderr +++ b/tests/ui/lint/non-local-defs/from-local-for-global.stderr @@ -46,7 +46,9 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/from-local-for-global.rs:32:5 | LL | impl StillNonLocal for &Foo {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^-^^^ + | | + | help: remove `&` to make the `impl` local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` diff --git a/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr b/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr index 252296099f60..de4eacbecca4 100644 --- a/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr +++ b/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr @@ -2,7 +2,9 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/trait-solver-overflow-123573.rs:12:5 | LL | impl Test for &Local {} - | ^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^-^^^^^ + | | + | help: remove `&` to make the `impl` local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` From 98273ec61272644b8bc14f2039f5c00cfa5dab95 Mon Sep 17 00:00:00 2001 From: Urgau Date: Wed, 15 May 2024 19:13:02 +0200 Subject: [PATCH 0624/1716] non_local_defs: point to Self and Trait to give more context --- Cargo.lock | 1 + compiler/rustc_lint/Cargo.toml | 1 + compiler/rustc_lint/messages.ftl | 4 + compiler/rustc_lint/src/lints.rs | 8 ++ compiler/rustc_lint/src/non_local_def.rs | 83 +++++++++++++-- .../lint/non-local-defs/cargo-update.stderr | 3 + tests/ui/lint/non-local-defs/consts.stderr | 37 +++++-- .../non-local-defs/exhaustive-trait.stderr | 30 ++++-- .../ui/lint/non-local-defs/exhaustive.stderr | 100 ++++++++++++++---- .../from-local-for-global.stderr | 27 +++-- tests/ui/lint/non-local-defs/generics.stderr | 39 +++++-- .../non-local-defs/inside-macro_rules.stderr | 5 +- .../suggest-moving-inner.stderr | 5 +- .../trait-solver-overflow-123573.stderr | 8 +- .../ui/lint/non-local-defs/weird-exprs.stderr | 29 +++-- 15 files changed, 311 insertions(+), 69 deletions(-) diff --git a/Cargo.lock b/Cargo.lock index 5e8d179e5365..2f2b6e344741 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -4062,6 +4062,7 @@ dependencies = [ "rustc_feature", "rustc_fluent_macro", "rustc_hir", + "rustc_hir_pretty", "rustc_index", "rustc_infer", "rustc_macros", diff --git a/compiler/rustc_lint/Cargo.toml b/compiler/rustc_lint/Cargo.toml index fa1133e7780f..232d4c18fa48 100644 --- a/compiler/rustc_lint/Cargo.toml +++ b/compiler/rustc_lint/Cargo.toml @@ -13,6 +13,7 @@ rustc_errors = { path = "../rustc_errors" } rustc_feature = { path = "../rustc_feature" } rustc_fluent_macro = { path = "../rustc_fluent_macro" } rustc_hir = { path = "../rustc_hir" } +rustc_hir_pretty = { path = "../rustc_hir_pretty" } rustc_index = { path = "../rustc_index" } rustc_infer = { path = "../rustc_infer" } rustc_macros = { path = "../rustc_macros" } diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index f93534c316f9..8d1f7e150bc1 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -567,6 +567,10 @@ lint_non_local_definitions_macro_rules = non-local `macro_rules!` definition, `# lint_non_local_definitions_may_move = may need to be moved as well +lint_non_local_definitions_of_trait_not_local = `{$of_trait_str}` is not local + +lint_non_local_definitions_self_ty_not_local = `{$self_ty_str}` is not local + lint_non_snake_case = {$sort} `{$name}` should have a snake case name .rename_or_convert_suggestion = rename the identifier or convert it to a snake case raw identifier .cannot_convert_note = `{$sc}` cannot be used as a raw identifier diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index ca980d33e8ee..8c8ab4e0f372 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -1340,6 +1340,8 @@ pub enum NonLocalDefinitionsDiag { may_move: Vec, may_remove: Option<(Span, String)>, has_trait: bool, + self_ty_str: String, + of_trait_str: Option, }, MacroRules { depth: u32, @@ -1364,11 +1366,17 @@ impl<'a> LintDiagnostic<'a, ()> for NonLocalDefinitionsDiag { may_move, may_remove, has_trait, + self_ty_str, + of_trait_str, } => { diag.primary_message(fluent::lint_non_local_definitions_impl); diag.arg("depth", depth); diag.arg("body_kind_descr", body_kind_descr); diag.arg("body_name", body_name); + diag.arg("self_ty_str", self_ty_str); + if let Some(of_trait_str) = of_trait_str { + diag.arg("of_trait_str", of_trait_str); + } if has_trait { diag.note(fluent::lint_bounds); diff --git a/compiler/rustc_lint/src/non_local_def.rs b/compiler/rustc_lint/src/non_local_def.rs index ed932e1c235c..d88c774ed802 100644 --- a/compiler/rustc_lint/src/non_local_def.rs +++ b/compiler/rustc_lint/src/non_local_def.rs @@ -1,3 +1,4 @@ +use rustc_errors::MultiSpan; use rustc_hir::intravisit::{self, Visitor}; use rustc_hir::HirId; use rustc_hir::{def::DefKind, Body, Item, ItemKind, Node, TyKind}; @@ -9,12 +10,13 @@ use rustc_middle::ty::{EarlyBinder, TraitRef, TypeSuperFoldable}; use rustc_session::{declare_lint, impl_lint_pass}; use rustc_span::def_id::{DefId, LOCAL_CRATE}; use rustc_span::Span; -use rustc_span::{sym, symbol::kw, ExpnKind, MacroKind}; +use rustc_span::{sym, symbol::kw, ExpnKind, MacroKind, Symbol}; use rustc_trait_selection::infer::TyCtxtInferExt; use rustc_trait_selection::traits::error_reporting::ambiguity::{ compute_applicable_impls_for_diagnostics, CandidateSource, }; +use crate::fluent_generated as fluent; use crate::lints::{NonLocalDefinitionsCargoUpdateNote, NonLocalDefinitionsDiag}; use crate::{LateContext, LateLintPass, LintContext}; @@ -201,11 +203,7 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions { .into_iter() .filter_map(|path| { if path_has_local_parent(&path, cx, parent, parent_parent) { - if let Some(args) = &path.segments.last().unwrap().args { - Some(path.span.until(args.span_ext)) - } else { - Some(path.span) - } + Some(path_span_without_args(&path)) } else { None } @@ -227,9 +225,29 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions { _ => None, }; + let impl_span = item.span.shrink_to_lo().to(impl_.self_ty.span); + let mut ms = MultiSpan::from_span(impl_span); + + let (self_ty_span, self_ty_str) = + self_ty_kind_for_diagnostic(&impl_.self_ty, cx.tcx); + + ms.push_span_label( + self_ty_span, + fluent::lint_non_local_definitions_self_ty_not_local, + ); + let of_trait_str = if let Some(of_trait) = &impl_.of_trait { + ms.push_span_label( + path_span_without_args(&of_trait.path), + fluent::lint_non_local_definitions_of_trait_not_local, + ); + Some(path_name_to_string(&of_trait.path)) + } else { + None + }; + cx.emit_span_lint( NON_LOCAL_DEFINITIONS, - item.span.shrink_to_lo().to(impl_.self_ty.span), + ms, NonLocalDefinitionsDiag::Impl { depth: self.body_depth, move_help: item.span, @@ -239,6 +257,8 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions { .unwrap_or_else(|| "".to_string()), cargo_update: cargo_update(), const_anon, + self_ty_str, + of_trait_str, may_move, may_remove, has_trait: impl_.of_trait.is_some(), @@ -447,3 +467,52 @@ fn did_has_local_parent( false } } + +/// Return for a given `Path` the span until the last args +fn path_span_without_args(path: &Path<'_>) -> Span { + if let Some(args) = &path.segments.last().unwrap().args { + path.span.until(args.span_ext) + } else { + path.span + } +} + +/// Return a "error message-able" ident for the last segment of the `Path` +fn path_name_to_string(path: &Path<'_>) -> String { + path.segments.last().unwrap().ident.name.to_ident_string() +} + +/// Compute the `Span` and visual representation for the `Self` we want to point at; +/// It follows part of the actual logic of non-local, and if possible return the least +/// amount possible for the span and representation. +fn self_ty_kind_for_diagnostic(ty: &rustc_hir::Ty<'_>, tcx: TyCtxt<'_>) -> (Span, String) { + match ty.kind { + TyKind::Path(QPath::Resolved(_, ty_path)) => ( + path_span_without_args(ty_path), + ty_path + .res + .opt_def_id() + .map(|did| tcx.opt_item_name(did)) + .flatten() + .as_ref() + .map(|s| Symbol::as_str(s)) + .unwrap_or("") + .to_string(), + ), + TyKind::TraitObject([principle_poly_trait_ref, ..], _, _) => { + let path = &principle_poly_trait_ref.trait_ref.path; + ( + path_span_without_args(path), + path.res + .opt_def_id() + .map(|did| tcx.opt_item_name(did)) + .flatten() + .as_ref() + .map(|s| Symbol::as_str(s)) + .unwrap_or("") + .to_string(), + ) + } + _ => (ty.span, rustc_hir_pretty::ty_to_string(&tcx, ty)), + } +} diff --git a/tests/ui/lint/non-local-defs/cargo-update.stderr b/tests/ui/lint/non-local-defs/cargo-update.stderr index 30696b0f8e50..091c6f3d564e 100644 --- a/tests/ui/lint/non-local-defs/cargo-update.stderr +++ b/tests/ui/lint/non-local-defs/cargo-update.stderr @@ -3,6 +3,9 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam | LL | non_local_macro::non_local_impl!(LocalStruct); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | | + | `LocalStruct` is not local + | `Debug` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` diff --git a/tests/ui/lint/non-local-defs/consts.stderr b/tests/ui/lint/non-local-defs/consts.stderr index 0528f63ac9c5..bf2b1541b2d2 100644 --- a/tests/ui/lint/non-local-defs/consts.stderr +++ b/tests/ui/lint/non-local-defs/consts.stderr @@ -5,7 +5,10 @@ LL | const Z: () = { | - help: use a const-anon item to suppress this lint: `_` ... LL | impl Uto for &Test {} - | ^^^^^^^^^^^^^^^^^^ + | ^^^^^---^^^^^----- + | | | + | | `&'_ Test` is not local + | `Uto` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -22,7 +25,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/consts.rs:24:5 | LL | impl Uto2 for Test {} - | ^^^^^^^^^^^^^^^^^^ + | ^^^^^----^^^^^---- + | | | + | | `Test` is not local + | `Uto2` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -38,7 +44,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/consts.rs:32:5 | LL | impl Uto3 for Test {} - | ^^^^^^^^^^^^^^^^^^ + | ^^^^^----^^^^^---- + | | | + | | `Test` is not local + | `Uto3` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -54,7 +63,9 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/consts.rs:43:5 | LL | impl Test { - | ^^^^^^^^^ + | ^^^^^---- + | | + | `Test` is not local | = note: methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` help: move this `impl` block outside of the current function `main` @@ -71,7 +82,9 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/consts.rs:50:9 | LL | impl Test { - | ^^^^^^^^^ + | ^^^^^---- + | | + | `Test` is not local | = note: methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` help: move this `impl` block outside of the current inline constant `` and up 2 bodies @@ -88,7 +101,9 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/consts.rs:59:9 | LL | impl Test { - | ^^^^^^^^^ + | ^^^^^---- + | | + | `Test` is not local | = note: methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` help: move this `impl` block outside of the current constant `_` and up 2 bodies @@ -106,7 +121,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/consts.rs:72:9 | LL | impl Uto9 for Test {} - | ^^^^^^^^^^^^^^^^^^ + | ^^^^^----^^^^^---- + | | | + | | `Test` is not local + | `Uto9` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -121,7 +139,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/consts.rs:79:9 | LL | impl Uto10 for Test {} - | ^^^^^^^^^^^^^^^^^^^ + | ^^^^^-----^^^^^---- + | | | + | | `Test` is not local + | `Uto10` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` diff --git a/tests/ui/lint/non-local-defs/exhaustive-trait.stderr b/tests/ui/lint/non-local-defs/exhaustive-trait.stderr index a9e3624fde50..8164a16b4d1b 100644 --- a/tests/ui/lint/non-local-defs/exhaustive-trait.stderr +++ b/tests/ui/lint/non-local-defs/exhaustive-trait.stderr @@ -2,7 +2,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive-trait.rs:7:5 | LL | impl PartialEq<()> for Dog { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^---------^^^^^^^^^--- + | | | + | | `Dog` is not local + | `PartialEq` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -23,7 +26,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive-trait.rs:14:5 | LL | impl PartialEq<()> for &Dog { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^---------^^^^^^^^^---- + | | | + | | `&'_ Dog` is not local + | `PartialEq` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -43,7 +49,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive-trait.rs:21:5 | LL | impl PartialEq for () { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^---------^^^^^^^^^^-- + | | | + | | `()` is not local + | `PartialEq` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -63,7 +72,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive-trait.rs:28:5 | LL | impl PartialEq<&Dog> for () { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^---------^^^^^^^^^^^-- + | | | + | | `()` is not local + | `PartialEq` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -83,7 +95,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive-trait.rs:35:5 | LL | impl PartialEq for &Dog { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^---------^^^^^^^^^^---- + | | | + | | `&'_ Dog` is not local + | `PartialEq` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -103,7 +118,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive-trait.rs:42:5 | LL | impl PartialEq<&Dog> for &Dog { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^---------^^^^^^^^^^^---- + | | | + | | `&'_ Dog` is not local + | `PartialEq` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` diff --git a/tests/ui/lint/non-local-defs/exhaustive.stderr b/tests/ui/lint/non-local-defs/exhaustive.stderr index 7316182a4df0..d6d269674bd1 100644 --- a/tests/ui/lint/non-local-defs/exhaustive.stderr +++ b/tests/ui/lint/non-local-defs/exhaustive.stderr @@ -2,7 +2,9 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:10:5 | LL | impl Test { - | ^^^^^^^^^ + | ^^^^^---- + | | + | `Test` is not local | = note: methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` help: move this `impl` block outside of the current function `main` @@ -20,7 +22,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:15:5 | LL | impl Display for Test { - | ^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^-------^^^^^---- + | | | + | | `Test` is not local + | `Display` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -40,7 +45,9 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:22:5 | LL | impl dyn Trait {} - | ^^^^^^^^^^^^^^ + | ^^^^^^^^^----- + | | + | `Trait` is not local | = note: methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` help: move this `impl` block outside of the current function `main` @@ -54,7 +61,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:25:5 | LL | impl Trait for Vec { } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^-----^^^^^---^^^ + | | | + | | `Vec` is not local + | `Trait` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -69,7 +79,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:28:5 | LL | impl Trait for &dyn Trait {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^-----^^^^^---------- + | | | + | | `&'_ dyn Trait` is not local + | `Trait` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -84,7 +97,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:31:5 | LL | impl Trait for *mut Test {} - | ^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^-----^^^^^--------- + | | | + | | `*mut Test` is not local + | `Trait` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -99,7 +115,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:34:5 | LL | impl Trait for *mut [Test] {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^-----^^^^^----------- + | | | + | | `*mut [Test]` is not local + | `Trait` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -114,7 +133,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:37:5 | LL | impl Trait for [Test; 8] {} - | ^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^-----^^^^^--------- + | | | + | | `[Test; 8]` is not local + | `Trait` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -129,7 +151,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:40:5 | LL | impl Trait for (Test,) {} - | ^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^-----^^^^^------- + | | | + | | `(Test,)` is not local + | `Trait` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -144,7 +169,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:43:5 | LL | impl Trait for fn(Test) -> () {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^-----^^^^^-------------- + | | | + | | `fn(: Test) -> ()` is not local + | `Trait` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -159,7 +187,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:46:5 | LL | impl Trait for fn() -> Test {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^-----^^^^^------------ + | | | + | | `fn() -> Test` is not local + | `Trait` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -174,7 +205,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:50:9 | LL | impl Trait for Test {} - | ^^^^^^^^^^^^^^^^^^^ + | ^^^^^-----^^^^^---- + | | | + | | `Test` is not local + | `Trait` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -189,9 +223,11 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:58:5 | LL | impl Trait for *mut InsideMain {} - | ^^^^^^^^^^^^^^^-----^^^^^^^^^^ - | | - | help: remove `*mut ` to make the `impl` local + | ^^^^^-----^^^^^--------------- + | | | + | | `*mut InsideMain` is not local + | | help: remove `*mut ` to make the `impl` local + | `Trait` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -208,7 +244,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:60:5 | LL | impl Trait for *mut [InsideMain] {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^-----^^^^^----------------- + | | | + | | `*mut [InsideMain]` is not local + | `Trait` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -225,7 +264,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:62:5 | LL | impl Trait for [InsideMain; 8] {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^-----^^^^^--------------- + | | | + | | `[InsideMain; 8]` is not local + | `Trait` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -242,7 +284,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:64:5 | LL | impl Trait for (InsideMain,) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^-----^^^^^------------- + | | | + | | `(InsideMain,)` is not local + | `Trait` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -259,7 +304,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:66:5 | LL | impl Trait for fn(InsideMain) -> () {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^-----^^^^^-------------------- + | | | + | | `fn(: InsideMain) -> ()` is not local + | `Trait` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -276,7 +324,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:68:5 | LL | impl Trait for fn() -> InsideMain {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^-----^^^^^------------------ + | | | + | | `fn() -> InsideMain` is not local + | `Trait` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -293,7 +344,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:72:9 | LL | impl Display for InsideMain { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^-------^^^^^---------- + | | | + | | `InsideMain` is not local + | `Display` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -313,7 +367,9 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/exhaustive.rs:79:9 | LL | impl InsideMain { - | ^^^^^^^^^^^^^^^ + | ^^^^^---------- + | | + | `InsideMain` is not local | = note: methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` help: move this `impl` block outside of the current function `inside_inside` and up 2 bodies diff --git a/tests/ui/lint/non-local-defs/from-local-for-global.stderr b/tests/ui/lint/non-local-defs/from-local-for-global.stderr index 683f80acbac7..1c1dcb65abc5 100644 --- a/tests/ui/lint/non-local-defs/from-local-for-global.stderr +++ b/tests/ui/lint/non-local-defs/from-local-for-global.stderr @@ -2,7 +2,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/from-local-for-global.rs:8:5 | LL | impl From for () { - | ^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^----^^^^^^^^^^-- + | | | + | | `()` is not local + | `From` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -23,7 +26,9 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/from-local-for-global.rs:18:5 | LL | impl From>> for () { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^----^^^^^^^^^^^^^^^^^^^^^^^^^^^-- + | | | + | `From` is not local `()` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -46,9 +51,11 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/from-local-for-global.rs:32:5 | LL | impl StillNonLocal for &Foo {} - | ^^^^^^^^^^^^^^^^^^^^^^^-^^^ - | | - | help: remove `&` to make the `impl` local + | ^^^^^-------------^^^^^---- + | | | + | | `&'_ Foo` is not local + | | help: remove `&` to make the `impl` local + | `StillNonLocal` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -65,7 +72,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/from-local-for-global.rs:40:5 | LL | impl From for GlobalSameFunction { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^----^^^^^^^^^^^^^------------------ + | | | + | | `GlobalSameFunction` is not local + | `From` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -88,7 +98,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/from-local-for-global.rs:48:5 | LL | impl From for GlobalSameFunction { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^----^^^^^^^^^^^^^------------------ + | | | + | | `GlobalSameFunction` is not local + | `From` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` diff --git a/tests/ui/lint/non-local-defs/generics.stderr b/tests/ui/lint/non-local-defs/generics.stderr index 1adefd40ffb0..7d64d9b1b095 100644 --- a/tests/ui/lint/non-local-defs/generics.stderr +++ b/tests/ui/lint/non-local-defs/generics.stderr @@ -2,7 +2,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/generics.rs:9:5 | LL | impl Global for Vec { } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^------^^^^^---^^^ + | | | + | | `Vec` is not local + | `Global` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -20,7 +23,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/generics.rs:20:5 | LL | impl Uto7 for Test where Local: std::any::Any {} - | ^^^^^^^^^^^^^^^^^^ + | ^^^^^----^^^^^---- + | | | + | | `Test` is not local + | `Uto7` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -37,7 +43,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/generics.rs:23:5 | LL | impl Uto8 for T {} - | ^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^----^^^^^- + | | | + | | `T` is not local + | `Uto8` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -52,7 +61,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/generics.rs:32:5 | LL | impl Default for UwU { - | ^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^-------^^^^^---^^^^^ + | | | + | | `UwU` is not local + | `Default` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -75,7 +87,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/generics.rs:43:5 | LL | impl AsRef for () { - | ^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^-----^^^^^^^^^^-- + | | | + | | `()` is not local + | `AsRef` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -96,7 +111,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/generics.rs:54:5 | LL | impl PartialEq for G { - | ^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^---------^^^^^^^^- + | | | + | | `G` is not local + | `PartialEq` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -119,7 +137,9 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/generics.rs:69:5 | LL | impl From>> for () { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^----^^^^^^^^^^^^^^^^^^^^^^^-- + | | | + | `From` is not local `()` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -142,7 +162,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/generics.rs:76:5 | LL | impl From<()> for Wrap { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^----^^^^^^^^^----^^^^^^ + | | | + | | `Wrap` is not local + | `From` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` diff --git a/tests/ui/lint/non-local-defs/inside-macro_rules.stderr b/tests/ui/lint/non-local-defs/inside-macro_rules.stderr index fea211a4e507..f83894b30826 100644 --- a/tests/ui/lint/non-local-defs/inside-macro_rules.stderr +++ b/tests/ui/lint/non-local-defs/inside-macro_rules.stderr @@ -2,7 +2,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/inside-macro_rules.rs:9:13 | LL | impl MacroTrait for OutsideStruct {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^----------^^^^^------------- + | | | + | | `OutsideStruct` is not local + | `MacroTrait` is not local ... LL | m!(); | ---- in this macro invocation diff --git a/tests/ui/lint/non-local-defs/suggest-moving-inner.stderr b/tests/ui/lint/non-local-defs/suggest-moving-inner.stderr index 83557a7b9a27..557258d2aef9 100644 --- a/tests/ui/lint/non-local-defs/suggest-moving-inner.stderr +++ b/tests/ui/lint/non-local-defs/suggest-moving-inner.stderr @@ -2,7 +2,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/suggest-moving-inner.rs:12:5 | LL | impl Trait for &Vec> - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^-----^^^^^^^^^^^^^^^^^---------------------------------- + | | | + | | `&'_ Vec>` is not local + | `Trait` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` diff --git a/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr b/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr index de4eacbecca4..04db22f213b2 100644 --- a/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr +++ b/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr @@ -2,9 +2,11 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/trait-solver-overflow-123573.rs:12:5 | LL | impl Test for &Local {} - | ^^^^^^^^^^^^^^-^^^^^ - | | - | help: remove `&` to make the `impl` local + | ^^^^^----^^^^^------ + | | | + | | `&'_ Local` is not local + | | help: remove `&` to make the `impl` local + | `Test` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` diff --git a/tests/ui/lint/non-local-defs/weird-exprs.stderr b/tests/ui/lint/non-local-defs/weird-exprs.stderr index cced11719032..c77dab2ef346 100644 --- a/tests/ui/lint/non-local-defs/weird-exprs.stderr +++ b/tests/ui/lint/non-local-defs/weird-exprs.stderr @@ -2,7 +2,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/weird-exprs.rs:8:5 | LL | impl Uto for *mut Test {} - | ^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^---^^^^^--------- + | | | + | | `*mut Test` is not local + | `Uto` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -18,7 +21,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/weird-exprs.rs:16:9 | LL | impl Uto for Test {} - | ^^^^^^^^^^^^^^^^^ + | ^^^^^---^^^^^---- + | | | + | | `Test` is not local + | `Uto` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -33,7 +39,9 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/weird-exprs.rs:25:9 | LL | impl Test { - | ^^^^^^^^^ + | ^^^^^---- + | | + | `Test` is not local | = note: methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` help: move this `impl` block outside of the current constant expression `` and up 2 bodies @@ -50,7 +58,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/weird-exprs.rs:34:9 | LL | impl Uto for &Test {} - | ^^^^^^^^^^^^^^^^^^ + | ^^^^^---^^^^^----- + | | | + | | `&'_ Test` is not local + | `Uto` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -65,7 +76,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/weird-exprs.rs:41:9 | LL | impl Uto for &(Test,) {} - | ^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^---^^^^^-------- + | | | + | | `&'_ (Test,)` is not local + | `Uto` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -80,7 +94,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/weird-exprs.rs:48:9 | LL | impl Uto for &(Test,Test) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^---^^^^^------------ + | | | + | | `&'_ (Test, Test)` is not local + | `Uto` is not local | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` From c7d300442ff94cbe60a22400750cd03dbf15bcef Mon Sep 17 00:00:00 2001 From: Urgau Date: Sat, 18 May 2024 15:07:28 +0200 Subject: [PATCH 0625/1716] non_local_defs: point the parent item when appropriate --- compiler/rustc_lint/messages.ftl | 11 +- compiler/rustc_lint/src/lints.rs | 16 +- compiler/rustc_lint/src/non_local_def.rs | 22 +- .../lint/non-local-defs/cargo-update.stderr | 6 +- tests/ui/lint/non-local-defs/consts.stderr | 96 ++++----- .../non-local-defs/exhaustive-trait.stderr | 77 ++----- .../ui/lint/non-local-defs/exhaustive.stderr | 203 +++++++----------- .../from-local-for-global.stderr | 80 +++---- tests/ui/lint/non-local-defs/generics.stderr | 123 +++++------ .../non-local-defs/inside-macro_rules.stderr | 10 +- .../suggest-moving-inner.stderr | 26 ++- .../trait-solver-overflow-123573.stderr | 12 +- .../ui/lint/non-local-defs/weird-exprs.stderr | 129 +++++------ 13 files changed, 330 insertions(+), 481 deletions(-) diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index 8d1f7e150bc1..0b1645500960 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -543,11 +543,6 @@ lint_non_local_definitions_cargo_update = the {$macro_kind} `{$macro_name}` may lint_non_local_definitions_deprecation = this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue lint_non_local_definitions_impl = non-local `impl` definition, `impl` blocks should be written at the same level as their item - .move_help = - move this `impl` block outside of the current {$body_kind_descr} {$depth -> - [one] `{$body_name}` - *[other] `{$body_name}` and up {$depth} bodies - } .remove_help = remove `{$may_remove_part}` to make the `impl` local .without_trait = methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` .with_trait = an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` @@ -555,6 +550,12 @@ lint_non_local_definitions_impl = non-local `impl` definition, `impl` blocks sho .exception = items in an anonymous const item (`const _: () = {"{"} ... {"}"}`) are treated as in the same scope as the anonymous const's declaration .const_anon = use a const-anon item to suppress this lint +lint_non_local_definitions_impl_move_help = + move the `impl` block outside of this {$body_kind_descr} {$depth -> + [one] `{$body_name}` + *[other] `{$body_name}` and up {$depth} bodies + } + lint_non_local_definitions_macro_rules = non-local `macro_rules!` definition, `#[macro_export]` macro should be written at top level module .help = remove the `#[macro_export]` or move this `macro_rules!` outside the of the current {$body_kind_descr} {$depth -> diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index 8c8ab4e0f372..2edfb8d3df46 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -1336,8 +1336,7 @@ pub enum NonLocalDefinitionsDiag { body_name: String, cargo_update: Option, const_anon: Option>, - move_help: Span, - may_move: Vec, + move_to: Option<(Span, Vec)>, may_remove: Option<(Span, String)>, has_trait: bool, self_ty_str: String, @@ -1362,8 +1361,7 @@ impl<'a> LintDiagnostic<'a, ()> for NonLocalDefinitionsDiag { body_name, cargo_update, const_anon, - move_help, - may_move, + move_to, may_remove, has_trait, self_ty_str, @@ -1385,11 +1383,13 @@ impl<'a> LintDiagnostic<'a, ()> for NonLocalDefinitionsDiag { diag.note(fluent::lint_without_trait); } - let mut ms = MultiSpan::from_span(move_help); - for sp in may_move { - ms.push_span_label(sp, fluent::lint_non_local_definitions_may_move); + if let Some((move_help, may_move)) = move_to { + let mut ms = MultiSpan::from_span(move_help); + for sp in may_move { + ms.push_span_label(sp, fluent::lint_non_local_definitions_may_move); + } + diag.span_help(ms, fluent::lint_non_local_definitions_impl_move_help); } - diag.span_help(ms, fluent::lint_move_help); if let Some((span, part)) = may_remove { diag.arg("may_remove_part", part); diff --git a/compiler/rustc_lint/src/non_local_def.rs b/compiler/rustc_lint/src/non_local_def.rs index d88c774ed802..42b03f47a5bc 100644 --- a/compiler/rustc_lint/src/non_local_def.rs +++ b/compiler/rustc_lint/src/non_local_def.rs @@ -198,17 +198,21 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions { } collector.visit_generics(&impl_.generics); - let may_move: Vec = collector + let mut may_move: Vec = collector .paths .into_iter() .filter_map(|path| { - if path_has_local_parent(&path, cx, parent, parent_parent) { - Some(path_span_without_args(&path)) + if let Some(did) = path.res.opt_def_id() + && did_has_local_parent(did, cx.tcx, parent, parent_parent) + { + Some(cx.tcx.def_span(did)) } else { None } }) .collect(); + may_move.sort(); + may_move.dedup(); let const_anon = matches!(parent_def_kind, DefKind::Const | DefKind::Static { .. }) .then_some(span_for_const_anon_suggestion); @@ -244,13 +248,21 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions { } else { None }; + let move_to = if may_move.is_empty() { + ms.push_span_label( + cx.tcx.def_span(parent), + fluent::lint_non_local_definitions_impl_move_help, + ); + None + } else { + Some((cx.tcx.def_span(parent), may_move)) + }; cx.emit_span_lint( NON_LOCAL_DEFINITIONS, ms, NonLocalDefinitionsDiag::Impl { depth: self.body_depth, - move_help: item.span, body_kind_descr: cx.tcx.def_kind_descr(parent_def_kind, parent), body_name: parent_opt_item_name .map(|s| s.to_ident_string()) @@ -259,7 +271,7 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions { const_anon, self_ty_str, of_trait_str, - may_move, + move_to, may_remove, has_trait: impl_.of_trait.is_some(), }, diff --git a/tests/ui/lint/non-local-defs/cargo-update.stderr b/tests/ui/lint/non-local-defs/cargo-update.stderr index 091c6f3d564e..888fd2e61837 100644 --- a/tests/ui/lint/non-local-defs/cargo-update.stderr +++ b/tests/ui/lint/non-local-defs/cargo-update.stderr @@ -6,14 +6,10 @@ LL | non_local_macro::non_local_impl!(LocalStruct); | | | `LocalStruct` is not local | `Debug` is not local + | move the `impl` block outside of this constant `_IMPL_DEBUG` | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current constant `_IMPL_DEBUG` - --> $DIR/cargo-update.rs:17:1 - | -LL | non_local_macro::non_local_impl!(LocalStruct); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: the macro `non_local_macro::non_local_impl` may come from an old version of the `non_local_macro` crate, try updating your dependency with `cargo update -p non_local_macro` = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue diff --git a/tests/ui/lint/non-local-defs/consts.stderr b/tests/ui/lint/non-local-defs/consts.stderr index bf2b1541b2d2..2756ea401387 100644 --- a/tests/ui/lint/non-local-defs/consts.stderr +++ b/tests/ui/lint/non-local-defs/consts.stderr @@ -2,7 +2,10 @@ warning: non-local `impl` definition, `impl` blocks should be written at the sam --> $DIR/consts.rs:13:5 | LL | const Z: () = { - | - help: use a const-anon item to suppress this lint: `_` + | ----------- + | | | + | | help: use a const-anon item to suppress this lint: `_` + | move the `impl` block outside of this constant `Z` ... LL | impl Uto for &Test {} | ^^^^^---^^^^^----- @@ -12,11 +15,6 @@ LL | impl Uto for &Test {} | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current constant `Z` - --> $DIR/consts.rs:13:5 - | -LL | impl Uto for &Test {} - | ^^^^^^^^^^^^^^^^^^^^^ = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default @@ -24,6 +22,8 @@ LL | impl Uto for &Test {} warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/consts.rs:24:5 | +LL | static A: u32 = { + | ------------- move the `impl` block outside of this static `A` LL | impl Uto2 for Test {} | ^^^^^----^^^^^---- | | | @@ -32,17 +32,14 @@ LL | impl Uto2 for Test {} | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current static `A` - --> $DIR/consts.rs:24:5 - | -LL | impl Uto2 for Test {} - | ^^^^^^^^^^^^^^^^^^^^^ = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/consts.rs:32:5 | +LL | const B: u32 = { + | ------------ move the `impl` block outside of this constant `B` LL | impl Uto3 for Test {} | ^^^^^----^^^^^---- | | | @@ -51,75 +48,60 @@ LL | impl Uto3 for Test {} | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current constant `B` - --> $DIR/consts.rs:32:5 - | -LL | impl Uto3 for Test {} - | ^^^^^^^^^^^^^^^^^^^^^ = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/consts.rs:43:5 | +LL | fn main() { + | --------- move the `impl` block outside of this function `main` LL | impl Test { | ^^^^^---- | | | `Test` is not local | = note: methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` -help: move this `impl` block outside of the current function `main` - --> $DIR/consts.rs:43:5 - | -LL | / impl Test { -LL | | -LL | | fn foo() {} -LL | | } - | |_____^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/consts.rs:50:9 | -LL | impl Test { - | ^^^^^---- - | | - | `Test` is not local - | - = note: methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` -help: move this `impl` block outside of the current inline constant `` and up 2 bodies - --> $DIR/consts.rs:50:9 - | -LL | / impl Test { +LL | const { + | ___________- +LL | | impl Test { + | | ^^^^^---- + | | | + | | `Test` is not local LL | | LL | | fn hoo() {} -LL | | } - | |_________^ +... | +LL | | 1 +LL | | }; + | |_____- move the `impl` block outside of this inline constant `` and up 2 bodies + | + = note: methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/consts.rs:59:9 | +LL | const _: u32 = { + | ------------ move the `impl` block outside of this constant `_` and up 2 bodies LL | impl Test { | ^^^^^---- | | | `Test` is not local | = note: methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` -help: move this `impl` block outside of the current constant `_` and up 2 bodies - --> $DIR/consts.rs:59:9 - | -LL | / impl Test { -LL | | -LL | | fn foo2() {} -LL | | } - | |_________^ = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/consts.rs:72:9 | +LL | let _a = || { + | -- move the `impl` block outside of this closure `` and up 2 bodies LL | impl Uto9 for Test {} | ^^^^^----^^^^^---- | | | @@ -128,29 +110,25 @@ LL | impl Uto9 for Test {} | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current closure `` and up 2 bodies - --> $DIR/consts.rs:72:9 - | -LL | impl Uto9 for Test {} - | ^^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/consts.rs:79:9 | -LL | impl Uto10 for Test {} - | ^^^^^-----^^^^^---- - | | | - | | `Test` is not local - | `Uto10` is not local +LL | type A = [u32; { + | ____________________- +LL | | impl Uto10 for Test {} + | | ^^^^^-----^^^^^---- + | | | | + | | | `Test` is not local + | | `Uto10` is not local +LL | | +... | +LL | | }]; + | |_____- move the `impl` block outside of this constant expression `` and up 2 bodies | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current constant expression `` and up 2 bodies - --> $DIR/consts.rs:79:9 - | -LL | impl Uto10 for Test {} - | ^^^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: 8 warnings emitted diff --git a/tests/ui/lint/non-local-defs/exhaustive-trait.stderr b/tests/ui/lint/non-local-defs/exhaustive-trait.stderr index 8164a16b4d1b..67df0e31d5bd 100644 --- a/tests/ui/lint/non-local-defs/exhaustive-trait.stderr +++ b/tests/ui/lint/non-local-defs/exhaustive-trait.stderr @@ -1,6 +1,8 @@ warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive-trait.rs:7:5 | +LL | fn main() { + | --------- move the `impl` block outside of this function `main` LL | impl PartialEq<()> for Dog { | ^^^^^---------^^^^^^^^^--- | | | @@ -9,22 +11,15 @@ LL | impl PartialEq<()> for Dog { | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `main` - --> $DIR/exhaustive-trait.rs:7:5 - | -LL | / impl PartialEq<()> for Dog { -LL | | -LL | | fn eq(&self, _: &()) -> bool { -LL | | todo!() -LL | | } -LL | | } - | |_____^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive-trait.rs:14:5 | +LL | fn main() { + | --------- move the `impl` block outside of this function `main` +... LL | impl PartialEq<()> for &Dog { | ^^^^^---------^^^^^^^^^---- | | | @@ -33,21 +28,14 @@ LL | impl PartialEq<()> for &Dog { | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `main` - --> $DIR/exhaustive-trait.rs:14:5 - | -LL | / impl PartialEq<()> for &Dog { -LL | | -LL | | fn eq(&self, _: &()) -> bool { -LL | | todo!() -LL | | } -LL | | } - | |_____^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive-trait.rs:21:5 | +LL | fn main() { + | --------- move the `impl` block outside of this function `main` +... LL | impl PartialEq for () { | ^^^^^---------^^^^^^^^^^-- | | | @@ -56,21 +44,14 @@ LL | impl PartialEq for () { | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `main` - --> $DIR/exhaustive-trait.rs:21:5 - | -LL | / impl PartialEq for () { -LL | | -LL | | fn eq(&self, _: &Dog) -> bool { -LL | | todo!() -LL | | } -LL | | } - | |_____^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive-trait.rs:28:5 | +LL | fn main() { + | --------- move the `impl` block outside of this function `main` +... LL | impl PartialEq<&Dog> for () { | ^^^^^---------^^^^^^^^^^^-- | | | @@ -79,21 +60,14 @@ LL | impl PartialEq<&Dog> for () { | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `main` - --> $DIR/exhaustive-trait.rs:28:5 - | -LL | / impl PartialEq<&Dog> for () { -LL | | -LL | | fn eq(&self, _: &&Dog) -> bool { -LL | | todo!() -LL | | } -LL | | } - | |_____^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive-trait.rs:35:5 | +LL | fn main() { + | --------- move the `impl` block outside of this function `main` +... LL | impl PartialEq for &Dog { | ^^^^^---------^^^^^^^^^^---- | | | @@ -102,21 +76,14 @@ LL | impl PartialEq for &Dog { | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `main` - --> $DIR/exhaustive-trait.rs:35:5 - | -LL | / impl PartialEq for &Dog { -LL | | -LL | | fn eq(&self, _: &Dog) -> bool { -LL | | todo!() -LL | | } -LL | | } - | |_____^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive-trait.rs:42:5 | +LL | fn main() { + | --------- move the `impl` block outside of this function `main` +... LL | impl PartialEq<&Dog> for &Dog { | ^^^^^---------^^^^^^^^^^^---- | | | @@ -125,16 +92,6 @@ LL | impl PartialEq<&Dog> for &Dog { | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `main` - --> $DIR/exhaustive-trait.rs:42:5 - | -LL | / impl PartialEq<&Dog> for &Dog { -LL | | -LL | | fn eq(&self, _: &&Dog) -> bool { -LL | | todo!() -LL | | } -LL | | } - | |_____^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: 6 warnings emitted diff --git a/tests/ui/lint/non-local-defs/exhaustive.stderr b/tests/ui/lint/non-local-defs/exhaustive.stderr index d6d269674bd1..1e0d5caec383 100644 --- a/tests/ui/lint/non-local-defs/exhaustive.stderr +++ b/tests/ui/lint/non-local-defs/exhaustive.stderr @@ -1,26 +1,23 @@ warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:10:5 | +LL | fn main() { + | --------- move the `impl` block outside of this function `main` LL | impl Test { | ^^^^^---- | | | `Test` is not local | = note: methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` -help: move this `impl` block outside of the current function `main` - --> $DIR/exhaustive.rs:10:5 - | -LL | / impl Test { -LL | | -LL | | fn foo() {} -LL | | } - | |_____^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:15:5 | +LL | fn main() { + | --------- move the `impl` block outside of this function `main` +... LL | impl Display for Test { | ^^^^^-------^^^^^---- | | | @@ -29,37 +26,28 @@ LL | impl Display for Test { | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `main` - --> $DIR/exhaustive.rs:15:5 - | -LL | / impl Display for Test { -LL | | -LL | | fn fmt(&self, _f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { -LL | | todo!() -LL | | } -LL | | } - | |_____^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:22:5 | +LL | fn main() { + | --------- move the `impl` block outside of this function `main` +... LL | impl dyn Trait {} | ^^^^^^^^^----- | | | `Trait` is not local | = note: methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` -help: move this `impl` block outside of the current function `main` - --> $DIR/exhaustive.rs:22:5 - | -LL | impl dyn Trait {} - | ^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:25:5 | +LL | fn main() { + | --------- move the `impl` block outside of this function `main` +... LL | impl Trait for Vec { } | ^^^^^^^^^^^^^^^-----^^^^^---^^^ | | | @@ -68,16 +56,14 @@ LL | impl Trait for Vec { } | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `main` - --> $DIR/exhaustive.rs:25:5 - | -LL | impl Trait for Vec { } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:28:5 | +LL | fn main() { + | --------- move the `impl` block outside of this function `main` +... LL | impl Trait for &dyn Trait {} | ^^^^^-----^^^^^---------- | | | @@ -86,16 +72,14 @@ LL | impl Trait for &dyn Trait {} | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `main` - --> $DIR/exhaustive.rs:28:5 - | -LL | impl Trait for &dyn Trait {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:31:5 | +LL | fn main() { + | --------- move the `impl` block outside of this function `main` +... LL | impl Trait for *mut Test {} | ^^^^^-----^^^^^--------- | | | @@ -104,16 +88,14 @@ LL | impl Trait for *mut Test {} | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `main` - --> $DIR/exhaustive.rs:31:5 - | -LL | impl Trait for *mut Test {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:34:5 | +LL | fn main() { + | --------- move the `impl` block outside of this function `main` +... LL | impl Trait for *mut [Test] {} | ^^^^^-----^^^^^----------- | | | @@ -122,16 +104,14 @@ LL | impl Trait for *mut [Test] {} | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `main` - --> $DIR/exhaustive.rs:34:5 - | -LL | impl Trait for *mut [Test] {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:37:5 | +LL | fn main() { + | --------- move the `impl` block outside of this function `main` +... LL | impl Trait for [Test; 8] {} | ^^^^^-----^^^^^--------- | | | @@ -140,16 +120,14 @@ LL | impl Trait for [Test; 8] {} | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `main` - --> $DIR/exhaustive.rs:37:5 - | -LL | impl Trait for [Test; 8] {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:40:5 | +LL | fn main() { + | --------- move the `impl` block outside of this function `main` +... LL | impl Trait for (Test,) {} | ^^^^^-----^^^^^------- | | | @@ -158,16 +136,14 @@ LL | impl Trait for (Test,) {} | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `main` - --> $DIR/exhaustive.rs:40:5 - | -LL | impl Trait for (Test,) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:43:5 | +LL | fn main() { + | --------- move the `impl` block outside of this function `main` +... LL | impl Trait for fn(Test) -> () {} | ^^^^^-----^^^^^-------------- | | | @@ -176,16 +152,14 @@ LL | impl Trait for fn(Test) -> () {} | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `main` - --> $DIR/exhaustive.rs:43:5 - | -LL | impl Trait for fn(Test) -> () {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:46:5 | +LL | fn main() { + | --------- move the `impl` block outside of this function `main` +... LL | impl Trait for fn() -> Test {} | ^^^^^-----^^^^^------------ | | | @@ -194,16 +168,13 @@ LL | impl Trait for fn() -> Test {} | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `main` - --> $DIR/exhaustive.rs:46:5 - | -LL | impl Trait for fn() -> Test {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:50:9 | +LL | let _a = || { + | -- move the `impl` block outside of this closure `` and up 2 bodies LL | impl Trait for Test {} | ^^^^^-----^^^^^---- | | | @@ -212,11 +183,6 @@ LL | impl Trait for Test {} | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current closure `` and up 2 bodies - --> $DIR/exhaustive.rs:50:9 - | -LL | impl Trait for Test {} - | ^^^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -231,13 +197,14 @@ LL | impl Trait for *mut InsideMain {} | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `main` - --> $DIR/exhaustive.rs:58:5 +help: move the `impl` block outside of this function `main` + --> $DIR/exhaustive.rs:9:1 | -LL | impl Trait for *mut InsideMain {} - | ^^^^^^^^^^^^^^^^^^^^----------^^^ - | | - | may need to be moved as well +LL | fn main() { + | ^^^^^^^^^ +... +LL | struct InsideMain; + | ----------------- may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -251,13 +218,14 @@ LL | impl Trait for *mut [InsideMain] {} | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `main` - --> $DIR/exhaustive.rs:60:5 +help: move the `impl` block outside of this function `main` + --> $DIR/exhaustive.rs:9:1 | -LL | impl Trait for *mut [InsideMain] {} - | ^^^^^^^^^^^^^^^^^^^^^----------^^^^ - | | - | may need to be moved as well +LL | fn main() { + | ^^^^^^^^^ +... +LL | struct InsideMain; + | ----------------- may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -271,13 +239,14 @@ LL | impl Trait for [InsideMain; 8] {} | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `main` - --> $DIR/exhaustive.rs:62:5 +help: move the `impl` block outside of this function `main` + --> $DIR/exhaustive.rs:9:1 | -LL | impl Trait for [InsideMain; 8] {} - | ^^^^^^^^^^^^^^^^----------^^^^^^^ - | | - | may need to be moved as well +LL | fn main() { + | ^^^^^^^^^ +... +LL | struct InsideMain; + | ----------------- may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -291,13 +260,14 @@ LL | impl Trait for (InsideMain,) {} | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `main` - --> $DIR/exhaustive.rs:64:5 +help: move the `impl` block outside of this function `main` + --> $DIR/exhaustive.rs:9:1 | -LL | impl Trait for (InsideMain,) {} - | ^^^^^^^^^^^^^^^^----------^^^^^ - | | - | may need to be moved as well +LL | fn main() { + | ^^^^^^^^^ +... +LL | struct InsideMain; + | ----------------- may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -311,13 +281,14 @@ LL | impl Trait for fn(InsideMain) -> () {} | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `main` - --> $DIR/exhaustive.rs:66:5 +help: move the `impl` block outside of this function `main` + --> $DIR/exhaustive.rs:9:1 | -LL | impl Trait for fn(InsideMain) -> () {} - | ^^^^^^^^^^^^^^^^^^----------^^^^^^^^^^ - | | - | may need to be moved as well +LL | fn main() { + | ^^^^^^^^^ +... +LL | struct InsideMain; + | ----------------- may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -331,18 +302,21 @@ LL | impl Trait for fn() -> InsideMain {} | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `main` - --> $DIR/exhaustive.rs:68:5 +help: move the `impl` block outside of this function `main` + --> $DIR/exhaustive.rs:9:1 | -LL | impl Trait for fn() -> InsideMain {} - | ^^^^^^^^^^^^^^^^^^^^^^^----------^^^ - | | - | may need to be moved as well +LL | fn main() { + | ^^^^^^^^^ +... +LL | struct InsideMain; + | ----------------- may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:72:9 | +LL | fn inside_inside() { + | ------------------ move the `impl` block outside of this function `inside_inside` and up 2 bodies LL | impl Display for InsideMain { | ^^^^^-------^^^^^---------- | | | @@ -351,35 +325,20 @@ LL | impl Display for InsideMain { | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `inside_inside` and up 2 bodies - --> $DIR/exhaustive.rs:72:9 - | -LL | / impl Display for InsideMain { -LL | | -LL | | fn fmt(&self, _f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { -LL | | todo!() -LL | | } -LL | | } - | |_________^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/exhaustive.rs:79:9 | +LL | fn inside_inside() { + | ------------------ move the `impl` block outside of this function `inside_inside` and up 2 bodies +... LL | impl InsideMain { | ^^^^^---------- | | | `InsideMain` is not local | = note: methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` -help: move this `impl` block outside of the current function `inside_inside` and up 2 bodies - --> $DIR/exhaustive.rs:79:9 - | -LL | / impl InsideMain { -LL | | -LL | | fn bar() {} -LL | | } - | |_________^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: 20 warnings emitted diff --git a/tests/ui/lint/non-local-defs/from-local-for-global.stderr b/tests/ui/lint/non-local-defs/from-local-for-global.stderr index 1c1dcb65abc5..67fd937d134c 100644 --- a/tests/ui/lint/non-local-defs/from-local-for-global.stderr +++ b/tests/ui/lint/non-local-defs/from-local-for-global.stderr @@ -1,6 +1,8 @@ warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/from-local-for-global.rs:8:5 | +LL | fn main() { + | --------- move the `impl` block outside of this function `main` LL | impl From for () { | ^^^^^----^^^^^^^^^^-- | | | @@ -9,16 +11,6 @@ LL | impl From for () { | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `main` - --> $DIR/from-local-for-global.rs:8:5 - | -LL | / impl From for () { -LL | | -LL | | fn from(_: Cat) -> () { -LL | | todo!() -LL | | } -LL | | } - | |_____^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default @@ -32,19 +24,14 @@ LL | impl From>> for () { | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `main` - --> $DIR/from-local-for-global.rs:18:5 +help: move the `impl` block outside of this function `main` + --> $DIR/from-local-for-global.rs:7:1 | -LL | impl From>> for () { - | ^ -------- may need to be moved as well - | _____| - | | -LL | | -LL | | fn from(_: Wrap>) -> Self { -LL | | todo!() -LL | | } -LL | | } - | |_____^ +LL | fn main() { + | ^^^^^^^^^ +... +LL | struct Elephant; + | --------------- may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -59,13 +46,13 @@ LL | impl StillNonLocal for &Foo {} | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `only_global` - --> $DIR/from-local-for-global.rs:32:5 +help: move the `impl` block outside of this function `only_global` + --> $DIR/from-local-for-global.rs:30:1 | -LL | impl StillNonLocal for &Foo {} - | ^^^^^^^^^^^^^^^^^^^^^^^^---^^^ - | | - | may need to be moved as well +LL | fn only_global() { + | ^^^^^^^^^^^^^^^^ +LL | struct Foo; + | ---------- may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -79,19 +66,13 @@ LL | impl From for GlobalSameFunction { | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `same_function` - --> $DIR/from-local-for-global.rs:40:5 +help: move the `impl` block outside of this function `same_function` + --> $DIR/from-local-for-global.rs:38:1 | -LL | impl From for GlobalSameFunction { - | ^ ------ may need to be moved as well - | _____| - | | -LL | | -LL | | fn from(x: Local1) -> GlobalSameFunction { -LL | | x.0 -LL | | } -LL | | } - | |_____^ +LL | fn same_function() { + | ^^^^^^^^^^^^^^^^^^ +LL | struct Local1(GlobalSameFunction); + | ------------- may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -105,19 +86,14 @@ LL | impl From for GlobalSameFunction { | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `same_function` - --> $DIR/from-local-for-global.rs:48:5 +help: move the `impl` block outside of this function `same_function` + --> $DIR/from-local-for-global.rs:38:1 | -LL | impl From for GlobalSameFunction { - | ^ ------ may need to be moved as well - | _____| - | | -LL | | -LL | | fn from(x: Local2) -> GlobalSameFunction { -LL | | x.0 -LL | | } -LL | | } - | |_____^ +LL | fn same_function() { + | ^^^^^^^^^^^^^^^^^^ +... +LL | struct Local2(GlobalSameFunction); + | ------------- may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: 5 warnings emitted diff --git a/tests/ui/lint/non-local-defs/generics.stderr b/tests/ui/lint/non-local-defs/generics.stderr index 7d64d9b1b095..ed2f87a4ed2d 100644 --- a/tests/ui/lint/non-local-defs/generics.stderr +++ b/tests/ui/lint/non-local-defs/generics.stderr @@ -9,13 +9,13 @@ LL | impl Global for Vec { } | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `main` - --> $DIR/generics.rs:9:5 +help: move the `impl` block outside of this function `main` + --> $DIR/generics.rs:6:1 | -LL | impl Global for Vec { } - | ^^^^^^^^-----^^^^^^^^^^^^^^^^^^^^^^^ - | | - | may need to be moved as well +LL | fn main() { + | ^^^^^^^^^ +LL | trait Local {}; + | ----------- may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default @@ -30,18 +30,21 @@ LL | impl Uto7 for Test where Local: std::any::Any {} | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `bad` - --> $DIR/generics.rs:20:5 +help: move the `impl` block outside of this function `bad` + --> $DIR/generics.rs:18:1 | -LL | impl Uto7 for Test where Local: std::any::Any {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^-----^^^^^^^^^^^^^^^^^^ - | | - | may need to be moved as well +LL | fn bad() { + | ^^^^^^^^ +LL | struct Local; + | ------------ may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/generics.rs:23:5 | +LL | fn bad() { + | -------- move the `impl` block outside of this function `bad` +... LL | impl Uto8 for T {} | ^^^^^^^^----^^^^^- | | | @@ -50,11 +53,6 @@ LL | impl Uto8 for T {} | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `bad` - --> $DIR/generics.rs:23:5 - | -LL | impl Uto8 for T {} - | ^^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -68,19 +66,14 @@ LL | impl Default for UwU { | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `fun` - --> $DIR/generics.rs:32:5 +help: move the `impl` block outside of this function `fun` + --> $DIR/generics.rs:29:1 | -LL | impl Default for UwU { - | ^ --- may need to be moved as well - | _____| - | | -LL | | -LL | | fn default() -> Self { -LL | | UwU(OwO) -LL | | } -LL | | } - | |_____^ +LL | fn fun() { + | ^^^^^^^^ +LL | #[derive(Debug)] +LL | struct OwO; + | ---------- may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -94,17 +87,14 @@ LL | impl AsRef for () { | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `meow` - --> $DIR/generics.rs:43:5 +help: move the `impl` block outside of this function `meow` + --> $DIR/generics.rs:40:1 | -LL | impl AsRef for () { - | ^ --- may need to be moved as well - | _____| - | | -LL | | -LL | | fn as_ref(&self) -> &Cat { &Cat } -LL | | } - | |_____^ +LL | fn meow() { + | ^^^^^^^^^ +LL | #[derive(Debug)] +LL | struct Cat; + | ---------- may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -118,19 +108,14 @@ LL | impl PartialEq for G { | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `fun2` - --> $DIR/generics.rs:54:5 +help: move the `impl` block outside of this function `fun2` + --> $DIR/generics.rs:51:1 | -LL | impl PartialEq for G { - | ^ - may need to be moved as well - | _____| - | | -LL | | -LL | | fn eq(&self, _: &B) -> bool { -LL | | true -LL | | } -LL | | } - | |_____^ +LL | fn fun2() { + | ^^^^^^^^^ +LL | #[derive(Debug, Default)] +LL | struct B; + | -------- may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -143,19 +128,13 @@ LL | impl From>> for () { | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `rawr` - --> $DIR/generics.rs:69:5 +help: move the `impl` block outside of this function `rawr` + --> $DIR/generics.rs:66:1 | -LL | impl From>> for () { - | ^ ---- may need to be moved as well - | _____| - | | -LL | | -LL | | fn from(_: Wrap>) -> Self { -LL | | todo!() -LL | | } -LL | | } - | |_____^ +LL | fn rawr() { + | ^^^^^^^^^ +LL | struct Lion; + | ----------- may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item @@ -169,19 +148,13 @@ LL | impl From<()> for Wrap { | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `rawr` - --> $DIR/generics.rs:76:5 +help: move the `impl` block outside of this function `rawr` + --> $DIR/generics.rs:66:1 | -LL | impl From<()> for Wrap { - | ^ ---- may need to be moved as well - | _____| - | | -LL | | -LL | | fn from(_: ()) -> Self { -LL | | todo!() -LL | | } -LL | | } - | |_____^ +LL | fn rawr() { + | ^^^^^^^^^ +LL | struct Lion; + | ----------- may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: 8 warnings emitted diff --git a/tests/ui/lint/non-local-defs/inside-macro_rules.stderr b/tests/ui/lint/non-local-defs/inside-macro_rules.stderr index f83894b30826..b52301d1aa08 100644 --- a/tests/ui/lint/non-local-defs/inside-macro_rules.stderr +++ b/tests/ui/lint/non-local-defs/inside-macro_rules.stderr @@ -1,6 +1,8 @@ warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/inside-macro_rules.rs:9:13 | +LL | fn my_func() { + | ------------ move the `impl` block outside of this function `my_func` LL | impl MacroTrait for OutsideStruct {} | ^^^^^----------^^^^^------------- | | | @@ -12,14 +14,6 @@ LL | m!(); | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `my_func` - --> $DIR/inside-macro_rules.rs:9:13 - | -LL | impl MacroTrait for OutsideStruct {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -... -LL | m!(); - | ---- in this macro invocation = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default = note: this warning originates in the macro `m` (in Nightly builds, run with -Z macro-backtrace for more info) diff --git a/tests/ui/lint/non-local-defs/suggest-moving-inner.stderr b/tests/ui/lint/non-local-defs/suggest-moving-inner.stderr index 557258d2aef9..f0de0f72e74f 100644 --- a/tests/ui/lint/non-local-defs/suggest-moving-inner.stderr +++ b/tests/ui/lint/non-local-defs/suggest-moving-inner.stderr @@ -9,21 +9,19 @@ LL | impl Trait for &Vec> | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `main` - --> $DIR/suggest-moving-inner.rs:12:5 +help: move the `impl` block outside of this function `main` + --> $DIR/suggest-moving-inner.rs:5:1 | -LL | impl Trait for &Vec> - | ^ ---------- ----------- ---------- may need to be moved as well - | | | | - | | | may need to be moved as well - | _____| may need to be moved as well - | | -LL | | -LL | | where -LL | | T: HasFoo - | | ------ may need to be moved as well -LL | | {} - | |______^ +LL | fn main() { + | ^^^^^^^^^ +LL | mod below { +LL | pub struct Type(T); + | ------------------ may need to be moved as well +LL | } +LL | struct InsideMain; + | ----------------- may need to be moved as well +LL | trait HasFoo {} + | ------------ may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default diff --git a/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr b/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr index 04db22f213b2..80930ce1bcdf 100644 --- a/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr +++ b/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr @@ -10,13 +10,13 @@ LL | impl Test for &Local {} | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current function `main` - --> $DIR/trait-solver-overflow-123573.rs:12:5 +help: move the `impl` block outside of this function `main` + --> $DIR/trait-solver-overflow-123573.rs:10:1 | -LL | impl Test for &Local {} - | ^^^^^^^^^^^^^^^-----^^^ - | | - | may need to be moved as well +LL | fn main() { + | ^^^^^^^^^ +LL | struct Local {} + | ------------ may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default diff --git a/tests/ui/lint/non-local-defs/weird-exprs.stderr b/tests/ui/lint/non-local-defs/weird-exprs.stderr index c77dab2ef346..cd414d636d34 100644 --- a/tests/ui/lint/non-local-defs/weird-exprs.stderr +++ b/tests/ui/lint/non-local-defs/weird-exprs.stderr @@ -1,111 +1,116 @@ warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/weird-exprs.rs:8:5 | -LL | impl Uto for *mut Test {} - | ^^^^^---^^^^^--------- - | | | - | | `*mut Test` is not local - | `Uto` is not local +LL | type A = [u32; { + | ________________- +LL | | impl Uto for *mut Test {} + | | ^^^^^---^^^^^--------- + | | | | + | | | `*mut Test` is not local + | | `Uto` is not local +LL | | +... | +LL | | }]; + | |_- move the `impl` block outside of this constant expression `` | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current constant expression `` - --> $DIR/weird-exprs.rs:8:5 - | -LL | impl Uto for *mut Test {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue = note: `#[warn(non_local_definitions)]` on by default warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/weird-exprs.rs:16:9 | -LL | impl Uto for Test {} - | ^^^^^---^^^^^---- - | | | - | | `Test` is not local - | `Uto` is not local +LL | Discr = { + | _____________- +LL | | impl Uto for Test {} + | | ^^^^^---^^^^^---- + | | | | + | | | `Test` is not local + | | `Uto` is not local +LL | | +... | +LL | | } + | |_____- move the `impl` block outside of this constant expression `` | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current constant expression `` - --> $DIR/weird-exprs.rs:16:9 - | -LL | impl Uto for Test {} - | ^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/weird-exprs.rs:25:9 | -LL | impl Test { - | ^^^^^---- - | | - | `Test` is not local - | - = note: methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` -help: move this `impl` block outside of the current constant expression `` and up 2 bodies - --> $DIR/weird-exprs.rs:25:9 - | -LL | / impl Test { +LL | let _array = [0i32; { + | _________________________- +LL | | impl Test { + | | ^^^^^---- + | | | + | | `Test` is not local LL | | LL | | fn bar() {} -LL | | } - | |_________^ +... | +LL | | 1 +LL | | }]; + | |_____- move the `impl` block outside of this constant expression `` and up 2 bodies + | + = note: methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/weird-exprs.rs:34:9 | -LL | impl Uto for &Test {} - | ^^^^^---^^^^^----- - | | | - | | `&'_ Test` is not local - | `Uto` is not local +LL | type A = [u32; { + | ____________________- +LL | | impl Uto for &Test {} + | | ^^^^^---^^^^^----- + | | | | + | | | `&'_ Test` is not local + | | `Uto` is not local +LL | | +... | +LL | | }]; + | |_____- move the `impl` block outside of this constant expression `` and up 2 bodies | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current constant expression `` and up 2 bodies - --> $DIR/weird-exprs.rs:34:9 - | -LL | impl Uto for &Test {} - | ^^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/weird-exprs.rs:41:9 | -LL | impl Uto for &(Test,) {} - | ^^^^^---^^^^^-------- - | | | - | | `&'_ (Test,)` is not local - | `Uto` is not local +LL | fn a(_: [u32; { + | ___________________- +LL | | impl Uto for &(Test,) {} + | | ^^^^^---^^^^^-------- + | | | | + | | | `&'_ (Test,)` is not local + | | `Uto` is not local +LL | | +... | +LL | | }]) {} + | |_____- move the `impl` block outside of this constant expression `` and up 2 bodies | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current constant expression `` and up 2 bodies - --> $DIR/weird-exprs.rs:41:9 - | -LL | impl Uto for &(Test,) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/weird-exprs.rs:48:9 | -LL | impl Uto for &(Test,Test) {} - | ^^^^^---^^^^^------------ - | | | - | | `&'_ (Test, Test)` is not local - | `Uto` is not local +LL | fn b() -> [u32; { + | _____________________- +LL | | impl Uto for &(Test,Test) {} + | | ^^^^^---^^^^^------------ + | | | | + | | | `&'_ (Test, Test)` is not local + | | `Uto` is not local +LL | | +... | +LL | | }] { todo!() } + | |_____- move the `impl` block outside of this constant expression `` and up 2 bodies | = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move this `impl` block outside of the current constant expression `` and up 2 bodies - --> $DIR/weird-exprs.rs:48:9 - | -LL | impl Uto for &(Test,Test) {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: 6 warnings emitted From d6d2ff055e6c2865008fc94f658929964e04b566 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Mon, 27 May 2024 09:36:23 +1000 Subject: [PATCH 0626/1716] Remove a stray comment that shouldn't be here. --- compiler/rustc_expand/src/mbe/transcribe.rs | 1 - 1 file changed, 1 deletion(-) diff --git a/compiler/rustc_expand/src/mbe/transcribe.rs b/compiler/rustc_expand/src/mbe/transcribe.rs index e1f50876b058..3196b8260854 100644 --- a/compiler/rustc_expand/src/mbe/transcribe.rs +++ b/compiler/rustc_expand/src/mbe/transcribe.rs @@ -267,7 +267,6 @@ pub(super) fn transcribe<'a>( // some of the unnecessary whitespace. let ident = MacroRulesNormalizedIdent::new(original_ident); if let Some(cur_matched) = lookup_cur_matched(ident, interp, &repeats) { - // njn: explain the use of alone here let tt = match cur_matched { MatchedSingle(ParseNtResult::Tt(tt)) => { // `tt`s are emitted into the output stream directly as "raw tokens", From 3607cee3e7009c91dfdf3d4f8669ac8156a36ac0 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Mon, 27 May 2024 09:40:14 +1000 Subject: [PATCH 0627/1716] Use let chains in `pretty_printing_compatibility_hack`. To reduce indentation and improve readability. --- compiler/rustc_expand/src/base.rs | 71 ++++++++++++++----------------- 1 file changed, 31 insertions(+), 40 deletions(-) diff --git a/compiler/rustc_expand/src/base.rs b/compiler/rustc_expand/src/base.rs index 91af8758e516..470e8bf47f56 100644 --- a/compiler/rustc_expand/src/base.rs +++ b/compiler/rustc_expand/src/base.rs @@ -1338,47 +1338,38 @@ pub fn parse_macro_name_and_helper_attrs( /// FIXME(#73933): Remove this eventually. fn pretty_printing_compatibility_hack(item: &Item, sess: &Session) -> bool { let name = item.ident.name; - if name == sym::ProceduralMasqueradeDummyType { - if let ast::ItemKind::Enum(enum_def, _) = &item.kind { - if let [variant] = &*enum_def.variants { - if variant.ident.name == sym::Input { - let filename = sess.source_map().span_to_filename(item.ident.span); - if let FileName::Real(real) = filename { - if let Some(c) = real - .local_path() - .unwrap_or(Path::new("")) - .components() - .flat_map(|c| c.as_os_str().to_str()) - .find(|c| c.starts_with("rental") || c.starts_with("allsorts-rental")) - { - let crate_matches = if c.starts_with("allsorts-rental") { - true - } else { - let mut version = c.trim_start_matches("rental-").split('.'); - version.next() == Some("0") - && version.next() == Some("5") - && version - .next() - .and_then(|c| c.parse::().ok()) - .is_some_and(|v| v < 6) - }; + if name == sym::ProceduralMasqueradeDummyType + && let ast::ItemKind::Enum(enum_def, _) = &item.kind + && let [variant] = &*enum_def.variants + && variant.ident.name == sym::Input + && let FileName::Real(real) = sess.source_map().span_to_filename(item.ident.span) + && let Some(c) = real + .local_path() + .unwrap_or(Path::new("")) + .components() + .flat_map(|c| c.as_os_str().to_str()) + .find(|c| c.starts_with("rental") || c.starts_with("allsorts-rental")) + { + let crate_matches = if c.starts_with("allsorts-rental") { + true + } else { + let mut version = c.trim_start_matches("rental-").split('.'); + version.next() == Some("0") + && version.next() == Some("5") + && version.next().and_then(|c| c.parse::().ok()).is_some_and(|v| v < 6) + }; - if crate_matches { - sess.psess.buffer_lint( - PROC_MACRO_BACK_COMPAT, - item.ident.span, - ast::CRATE_NODE_ID, - BuiltinLintDiag::ProcMacroBackCompat { - crate_name: "rental".to_string(), - fixed_version: "0.5.6".to_string(), - }, - ); - return true; - } - } - } - } - } + if crate_matches { + sess.psess.buffer_lint( + PROC_MACRO_BACK_COMPAT, + item.ident.span, + ast::CRATE_NODE_ID, + BuiltinLintDiag::ProcMacroBackCompat { + crate_name: "rental".to_string(), + fixed_version: "0.5.6".to_string(), + }, + ); + return true; } } false From cf0c2c73334eb1c7c6a45e2603244238e4bd3ef7 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Mon, 27 May 2024 09:00:48 +1000 Subject: [PATCH 0628/1716] Convert `proc_macro_back_compat` lint to an unconditional error. We still check for the `rental`/`allsorts-rental` crates. But now if they are detected we just emit a fatal error, instead of emitting a warning and providing alternative behaviour. The original "hack" implementing alternative behaviour was added in #73345. The lint was added in #83127. The tracking issue is #83125. The direct motivation for the change is that providing the alternative behaviour is interfering with #125174 and follow-on work. --- compiler/rustc_expand/messages.ftl | 3 + compiler/rustc_expand/src/base.rs | 41 ++-- compiler/rustc_expand/src/errors.rs | 10 + compiler/rustc_expand/src/proc_macro.rs | 21 +- .../rustc_expand/src/proc_macro_server.rs | 29 ++- compiler/rustc_lint/messages.ftl | 3 - .../rustc_lint/src/context/diagnostics.rs | 3 - compiler/rustc_lint/src/lints.rs | 8 - compiler/rustc_lint_defs/src/builtin.rs | 48 ----- compiler/rustc_lint_defs/src/lib.rs | 4 - .../pretty-print-hack-show.local.stderr | 183 +----------------- .../pretty-print-hack-show.local.stdout | 44 ----- .../pretty-print-hack-show.remapped.stderr | 183 +----------------- .../pretty-print-hack-show.remapped.stdout | 44 ----- 14 files changed, 54 insertions(+), 570 deletions(-) delete mode 100644 tests/ui/proc-macro/pretty-print-hack-show.local.stdout delete mode 100644 tests/ui/proc-macro/pretty-print-hack-show.remapped.stdout diff --git a/compiler/rustc_expand/messages.ftl b/compiler/rustc_expand/messages.ftl index 530b37aadb1f..718129c5b6e2 100644 --- a/compiler/rustc_expand/messages.ftl +++ b/compiler/rustc_expand/messages.ftl @@ -124,6 +124,9 @@ expand_not_a_meta_item = expand_only_one_word = must only be one word +expand_proc_macro_back_compat = using an old version of `{$crate_name}` + .note = older versions of the `{$crate_name}` crate no longer compile; please update to `{$crate_name}` v{$fixed_version}, or switch to one of the `{$crate_name}` alternatives + expand_proc_macro_derive_panicked = proc-macro derive panicked .help = message: {$message} diff --git a/compiler/rustc_expand/src/base.rs b/compiler/rustc_expand/src/base.rs index 470e8bf47f56..4539129bd0f7 100644 --- a/compiler/rustc_expand/src/base.rs +++ b/compiler/rustc_expand/src/base.rs @@ -14,8 +14,7 @@ use rustc_data_structures::fx::FxIndexMap; use rustc_data_structures::sync::{self, Lrc}; use rustc_errors::{DiagCtxt, ErrorGuaranteed, PResult}; use rustc_feature::Features; -use rustc_lint_defs::builtin::PROC_MACRO_BACK_COMPAT; -use rustc_lint_defs::{BufferedEarlyLint, BuiltinLintDiag, RegisteredTools}; +use rustc_lint_defs::{BufferedEarlyLint, RegisteredTools}; use rustc_parse::{parser, MACRO_ARGUMENTS}; use rustc_session::config::CollapseMacroDebuginfo; use rustc_session::{parse::ParseSess, Limit, Session}; @@ -1330,13 +1329,10 @@ pub fn parse_macro_name_and_helper_attrs( Some((trait_ident.name, proc_attrs)) } -/// This nonterminal looks like some specific enums from -/// `proc-macro-hack` and `procedural-masquerade` crates. -/// We need to maintain some special pretty-printing behavior for them due to incorrect -/// asserts in old versions of those crates and their wide use in the ecosystem. -/// See issue #73345 for more details. +/// If this item looks like a specific enums from `rental`, emit a fatal error. +/// See #73345 and #83125 for more details. /// FIXME(#73933): Remove this eventually. -fn pretty_printing_compatibility_hack(item: &Item, sess: &Session) -> bool { +fn pretty_printing_compatibility_hack(item: &Item, sess: &Session) { let name = item.ident.name; if name == sym::ProceduralMasqueradeDummyType && let ast::ItemKind::Enum(enum_def, _) = &item.kind @@ -1360,41 +1356,36 @@ fn pretty_printing_compatibility_hack(item: &Item, sess: &Session) -> bool { }; if crate_matches { - sess.psess.buffer_lint( - PROC_MACRO_BACK_COMPAT, - item.ident.span, - ast::CRATE_NODE_ID, - BuiltinLintDiag::ProcMacroBackCompat { - crate_name: "rental".to_string(), - fixed_version: "0.5.6".to_string(), - }, - ); - return true; + // FIXME: make this translatable + #[allow(rustc::untranslatable_diagnostic)] + sess.psess.dcx.emit_fatal(errors::ProcMacroBackCompat { + crate_name: "rental".to_string(), + fixed_version: "0.5.6".to_string(), + }); } } - false } -pub(crate) fn ann_pretty_printing_compatibility_hack(ann: &Annotatable, sess: &Session) -> bool { +pub(crate) fn ann_pretty_printing_compatibility_hack(ann: &Annotatable, sess: &Session) { let item = match ann { Annotatable::Item(item) => item, Annotatable::Stmt(stmt) => match &stmt.kind { ast::StmtKind::Item(item) => item, - _ => return false, + _ => return, }, - _ => return false, + _ => return, }; pretty_printing_compatibility_hack(item, sess) } -pub(crate) fn nt_pretty_printing_compatibility_hack(nt: &Nonterminal, sess: &Session) -> bool { +pub(crate) fn nt_pretty_printing_compatibility_hack(nt: &Nonterminal, sess: &Session) { let item = match nt { Nonterminal::NtItem(item) => item, Nonterminal::NtStmt(stmt) => match &stmt.kind { ast::StmtKind::Item(item) => item, - _ => return false, + _ => return, }, - _ => return false, + _ => return, }; pretty_printing_compatibility_hack(item, sess) } diff --git a/compiler/rustc_expand/src/errors.rs b/compiler/rustc_expand/src/errors.rs index a5fc9e9d89c1..3f8b4661e5f5 100644 --- a/compiler/rustc_expand/src/errors.rs +++ b/compiler/rustc_expand/src/errors.rs @@ -440,3 +440,13 @@ pub(crate) struct EmptyDelegationList { #[primary_span] pub span: Span, } + +// This used to be the `proc_macro_back_compat` lint (#83125). It was later +// turned into a hard error. +#[derive(Diagnostic)] +#[diag(expand_proc_macro_back_compat)] +#[note] +pub struct ProcMacroBackCompat { + pub crate_name: String, + pub fixed_version: String, +} diff --git a/compiler/rustc_expand/src/proc_macro.rs b/compiler/rustc_expand/src/proc_macro.rs index 530059e53c21..c11369f505f8 100644 --- a/compiler/rustc_expand/src/proc_macro.rs +++ b/compiler/rustc_expand/src/proc_macro.rs @@ -4,14 +4,12 @@ use crate::proc_macro_server; use rustc_ast as ast; use rustc_ast::ptr::P; -use rustc_ast::token; use rustc_ast::tokenstream::TokenStream; -use rustc_data_structures::sync::Lrc; use rustc_errors::ErrorGuaranteed; use rustc_parse::parser::ForceCollect; use rustc_session::config::ProcMacroExecutionStrategy; use rustc_span::profiling::SpannedEventArgRecorder; -use rustc_span::{Span, DUMMY_SP}; +use rustc_span::Span; struct MessagePipe { tx: std::sync::mpsc::SyncSender, @@ -120,18 +118,13 @@ impl MultiItemModifier for DeriveProcMacro { // We need special handling for statement items // (e.g. `fn foo() { #[derive(Debug)] struct Bar; }`) let is_stmt = matches!(item, Annotatable::Stmt(..)); - let hack = crate::base::ann_pretty_printing_compatibility_hack(&item, &ecx.sess); - let input = if hack { - let nt = match item { - Annotatable::Item(item) => token::NtItem(item), - Annotatable::Stmt(stmt) => token::NtStmt(stmt), - _ => unreachable!(), - }; - TokenStream::token_alone(token::Interpolated(Lrc::new(nt)), DUMMY_SP) - } else { - item.to_tokens() - }; + // We used to have an alternative behaviour for crates that needed it. + // We had a lint for a long time, but now we just emit a hard error. + // Eventually we might remove the special case hard error check + // altogether. See #73345. + crate::base::ann_pretty_printing_compatibility_hack(&item, &ecx.sess); + let input = item.to_tokens(); let stream = { let _timer = ecx.sess.prof.generic_activity_with_arg_recorder("expand_proc_macro", |recorder| { diff --git a/compiler/rustc_expand/src/proc_macro_server.rs b/compiler/rustc_expand/src/proc_macro_server.rs index ec7e4416b913..c2e799abae80 100644 --- a/compiler/rustc_expand/src/proc_macro_server.rs +++ b/compiler/rustc_expand/src/proc_macro_server.rs @@ -276,21 +276,20 @@ impl FromInternal<(TokenStream, &mut Rustc<'_, '_>)> for Vec { let stream = TokenStream::from_nonterminal_ast(&nt); - // A hack used to pass AST fragments to attribute and derive - // macros as a single nonterminal token instead of a token - // stream. Such token needs to be "unwrapped" and not - // represented as a delimited group. - // FIXME: It needs to be removed, but there are some - // compatibility issues (see #73345). - if crate::base::nt_pretty_printing_compatibility_hack(&nt, rustc.ecx.sess) { - trees.extend(Self::from_internal((stream, rustc))); - } else { - trees.push(TokenTree::Group(Group { - delimiter: pm::Delimiter::None, - stream: Some(stream), - span: DelimSpan::from_single(span), - })) - } + // We used to have an alternative behaviour for crates that + // needed it: a hack used to pass AST fragments to + // attribute and derive macros as a single nonterminal + // token instead of a token stream. Such token needs to be + // "unwrapped" and not represented as a delimited group. We + // had a lint for a long time, but now we just emit a hard + // error. Eventually we might remove the special case hard + // error check altogether. See #73345. + crate::base::nt_pretty_printing_compatibility_hack(&nt, rustc.ecx.sess); + trees.push(TokenTree::Group(Group { + delimiter: pm::Delimiter::None, + stream: Some(stream), + span: DelimSpan::from_single(span), + })) } OpenDelim(..) | CloseDelim(..) => unreachable!(), diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index a9304f27fe55..12488df260f7 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -629,9 +629,6 @@ lint_pattern_in_foreign = patterns aren't allowed in foreign function declaratio lint_private_extern_crate_reexport = extern crate `{$ident}` is private, and cannot be re-exported, consider declaring with `pub` -lint_proc_macro_back_compat = using an old version of `{$crate_name}` - .note = older versions of the `{$crate_name}` crate will stop compiling in future versions of Rust; please update to `{$crate_name}` v{$fixed_version}, or switch to one of the `{$crate_name}` alternatives - lint_proc_macro_derive_resolution_fallback = cannot find {$ns} `{$ident}` in this scope .label = names from parent modules are not accessible without an explicit import diff --git a/compiler/rustc_lint/src/context/diagnostics.rs b/compiler/rustc_lint/src/context/diagnostics.rs index 26f34486a3de..194704156848 100644 --- a/compiler/rustc_lint/src/context/diagnostics.rs +++ b/compiler/rustc_lint/src/context/diagnostics.rs @@ -159,9 +159,6 @@ pub(super) fn decorate_lint(sess: &Session, diagnostic: BuiltinLintDiag, diag: & BuiltinLintDiag::LegacyDeriveHelpers(label_span) => { lints::LegacyDeriveHelpers { span: label_span }.decorate_lint(diag); } - BuiltinLintDiag::ProcMacroBackCompat { crate_name, fixed_version } => { - lints::ProcMacroBackCompat { crate_name, fixed_version }.decorate_lint(diag); - } BuiltinLintDiag::OrPatternsBackCompat(suggestion_span, suggestion) => { lints::OrPatternsBackCompat { span: suggestion_span, suggestion }.decorate_lint(diag); } diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index 42963a11f71a..54cdc73ca789 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -2542,14 +2542,6 @@ pub struct LegacyDeriveHelpers { pub span: Span, } -#[derive(LintDiagnostic)] -#[diag(lint_proc_macro_back_compat)] -#[note] -pub struct ProcMacroBackCompat { - pub crate_name: String, - pub fixed_version: String, -} - #[derive(LintDiagnostic)] #[diag(lint_or_patterns_back_compat)] pub struct OrPatternsBackCompat { diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs index 13867319e5cd..81c2d10add54 100644 --- a/compiler/rustc_lint_defs/src/builtin.rs +++ b/compiler/rustc_lint_defs/src/builtin.rs @@ -75,7 +75,6 @@ declare_lint_pass! { PATTERNS_IN_FNS_WITHOUT_BODY, PRIVATE_BOUNDS, PRIVATE_INTERFACES, - PROC_MACRO_BACK_COMPAT, PROC_MACRO_DERIVE_RESOLUTION_FALLBACK, PUB_USE_OF_PRIVATE_EXTERN_CRATE, REDUNDANT_LIFETIMES, @@ -3705,53 +3704,6 @@ declare_lint! { "detects invalid `#[doc(...)]` attributes", } -declare_lint! { - /// The `proc_macro_back_compat` lint detects uses of old versions of certain - /// proc-macro crates, which have hardcoded workarounds in the compiler. - /// - /// ### Example - /// - /// ```rust,ignore (needs-dependency) - /// - /// use time_macros_impl::impl_macros; - /// struct Foo; - /// impl_macros!(Foo); - /// ``` - /// - /// This will produce: - /// - /// ```text - /// warning: using an old version of `time-macros-impl` - /// ::: $DIR/group-compat-hack.rs:27:5 - /// | - /// LL | impl_macros!(Foo); - /// | ------------------ in this macro invocation - /// | - /// = note: `#[warn(proc_macro_back_compat)]` on by default - /// = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - /// = note: for more information, see issue #83125 - /// = note: the `time-macros-impl` crate will stop compiling in futures version of Rust. Please update to the latest version of the `time` crate to avoid breakage - /// = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) - /// ``` - /// - /// ### Explanation - /// - /// Eventually, the backwards-compatibility hacks present in the compiler will be removed, - /// causing older versions of certain crates to stop compiling. - /// This is a [future-incompatible] lint to ease the transition to an error. - /// See [issue #83125] for more details. - /// - /// [issue #83125]: https://github.com/rust-lang/rust/issues/83125 - /// [future-incompatible]: ../index.md#future-incompatible-lints - pub PROC_MACRO_BACK_COMPAT, - Deny, - "detects usage of old versions of certain proc-macro crates", - @future_incompatible = FutureIncompatibleInfo { - reason: FutureIncompatibilityReason::FutureReleaseErrorReportInDeps, - reference: "issue #83125 ", - }; -} - declare_lint! { /// The `rust_2021_incompatible_or_patterns` lint detects usage of old versions of or-patterns. /// diff --git a/compiler/rustc_lint_defs/src/lib.rs b/compiler/rustc_lint_defs/src/lib.rs index c8a9fb02bf2e..746b668803b9 100644 --- a/compiler/rustc_lint_defs/src/lib.rs +++ b/compiler/rustc_lint_defs/src/lib.rs @@ -618,10 +618,6 @@ pub enum BuiltinLintDiag { is_foreign: bool, }, LegacyDeriveHelpers(Span), - ProcMacroBackCompat { - crate_name: String, - fixed_version: String, - }, OrPatternsBackCompat(Span, String), ReservedPrefix(Span, String), TrailingMacro(bool, Ident), diff --git a/tests/ui/proc-macro/pretty-print-hack-show.local.stderr b/tests/ui/proc-macro/pretty-print-hack-show.local.stderr index 118882f73a3e..889cd0c90ebb 100644 --- a/tests/ui/proc-macro/pretty-print-hack-show.local.stderr +++ b/tests/ui/proc-macro/pretty-print-hack-show.local.stderr @@ -1,185 +1,6 @@ error: using an old version of `rental` - --> $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:4:6 | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #83125 - = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives - = note: `#[deny(proc_macro_back_compat)]` on by default + = note: older versions of the `rental` crate no longer compile; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives -error: using an old version of `rental` - --> $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:4:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #83125 - = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` - -error: using an old version of `rental` - --> $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:4:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #83125 - = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` - -error: using an old version of `rental` - --> $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:4:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #83125 - = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` - -error: using an old version of `rental` - --> $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:4:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #83125 - = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives - -error: using an old version of `rental` - --> $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:4:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #83125 - = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` - -error: using an old version of `rental` - --> $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:4:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #83125 - = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` - -error: using an old version of `rental` - --> $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:4:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #83125 - = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` - -error: aborting due to 8 previous errors - -Future incompatibility report: Future breakage diagnostic: -error: using an old version of `rental` - --> $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:4:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #83125 - = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives - = note: `#[deny(proc_macro_back_compat)]` on by default - -Future breakage diagnostic: -error: using an old version of `rental` - --> $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:4:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #83125 - = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives - = note: `#[deny(proc_macro_back_compat)]` on by default - -Future breakage diagnostic: -error: using an old version of `rental` - --> $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:4:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #83125 - = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives - = note: `#[deny(proc_macro_back_compat)]` on by default - -Future breakage diagnostic: -error: using an old version of `rental` - --> $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:4:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #83125 - = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives - = note: `#[deny(proc_macro_back_compat)]` on by default - -Future breakage diagnostic: -error: using an old version of `rental` - --> $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:4:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #83125 - = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives - = note: `#[deny(proc_macro_back_compat)]` on by default - -Future breakage diagnostic: -error: using an old version of `rental` - --> $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:4:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #83125 - = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives - = note: `#[deny(proc_macro_back_compat)]` on by default - -Future breakage diagnostic: -error: using an old version of `rental` - --> $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:4:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #83125 - = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives - = note: `#[deny(proc_macro_back_compat)]` on by default - -Future breakage diagnostic: -error: using an old version of `rental` - --> $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:4:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #83125 - = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives - = note: `#[deny(proc_macro_back_compat)]` on by default +error: aborting due to 1 previous error diff --git a/tests/ui/proc-macro/pretty-print-hack-show.local.stdout b/tests/ui/proc-macro/pretty-print-hack-show.local.stdout deleted file mode 100644 index 3d793d2a0145..000000000000 --- a/tests/ui/proc-macro/pretty-print-hack-show.local.stdout +++ /dev/null @@ -1,44 +0,0 @@ -PRINT-DERIVE INPUT (DISPLAY): enum ProceduralMasqueradeDummyType { Input, } -PRINT-DERIVE RE-COLLECTED (DISPLAY): enum ProceduralMasqueradeDummyType { Input } -PRINT-DERIVE INPUT (DEBUG): TokenStream [ - Ident { - ident: "enum", - span: $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:4:1: 4:5 (#0), - }, - Ident { - ident: "ProceduralMasqueradeDummyType", - span: $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:4:6: 4:35 (#0), - }, - Group { - delimiter: Brace, - stream: TokenStream [ - Ident { - ident: "Input", - span: $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:13:5: 13:10 (#0), - }, - ], - span: $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:4:36: 14:2 (#0), - }, -] -PRINT-DERIVE INPUT (DISPLAY): enum ProceduralMasqueradeDummyType { Input, } -PRINT-DERIVE RE-COLLECTED (DISPLAY): enum ProceduralMasqueradeDummyType { Input } -PRINT-DERIVE INPUT (DEBUG): TokenStream [ - Ident { - ident: "enum", - span: $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:4:1: 4:5 (#0), - }, - Ident { - ident: "ProceduralMasqueradeDummyType", - span: $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:4:6: 4:35 (#0), - }, - Group { - delimiter: Brace, - stream: TokenStream [ - Ident { - ident: "Input", - span: $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:13:5: 13:10 (#0), - }, - ], - span: $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:4:36: 14:2 (#0), - }, -] diff --git a/tests/ui/proc-macro/pretty-print-hack-show.remapped.stderr b/tests/ui/proc-macro/pretty-print-hack-show.remapped.stderr index 118882f73a3e..889cd0c90ebb 100644 --- a/tests/ui/proc-macro/pretty-print-hack-show.remapped.stderr +++ b/tests/ui/proc-macro/pretty-print-hack-show.remapped.stderr @@ -1,185 +1,6 @@ error: using an old version of `rental` - --> $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:4:6 | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #83125 - = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives - = note: `#[deny(proc_macro_back_compat)]` on by default + = note: older versions of the `rental` crate no longer compile; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives -error: using an old version of `rental` - --> $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:4:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #83125 - = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` - -error: using an old version of `rental` - --> $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:4:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #83125 - = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` - -error: using an old version of `rental` - --> $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:4:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #83125 - = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` - -error: using an old version of `rental` - --> $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:4:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #83125 - = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives - -error: using an old version of `rental` - --> $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:4:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #83125 - = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` - -error: using an old version of `rental` - --> $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:4:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #83125 - = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` - -error: using an old version of `rental` - --> $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:4:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #83125 - = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives - = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` - -error: aborting due to 8 previous errors - -Future incompatibility report: Future breakage diagnostic: -error: using an old version of `rental` - --> $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:4:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #83125 - = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives - = note: `#[deny(proc_macro_back_compat)]` on by default - -Future breakage diagnostic: -error: using an old version of `rental` - --> $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:4:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #83125 - = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives - = note: `#[deny(proc_macro_back_compat)]` on by default - -Future breakage diagnostic: -error: using an old version of `rental` - --> $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:4:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #83125 - = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives - = note: `#[deny(proc_macro_back_compat)]` on by default - -Future breakage diagnostic: -error: using an old version of `rental` - --> $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:4:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #83125 - = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives - = note: `#[deny(proc_macro_back_compat)]` on by default - -Future breakage diagnostic: -error: using an old version of `rental` - --> $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:4:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #83125 - = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives - = note: `#[deny(proc_macro_back_compat)]` on by default - -Future breakage diagnostic: -error: using an old version of `rental` - --> $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:4:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #83125 - = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives - = note: `#[deny(proc_macro_back_compat)]` on by default - -Future breakage diagnostic: -error: using an old version of `rental` - --> $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:4:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #83125 - = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives - = note: `#[deny(proc_macro_back_compat)]` on by default - -Future breakage diagnostic: -error: using an old version of `rental` - --> $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:4:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - = note: for more information, see issue #83125 - = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives - = note: `#[deny(proc_macro_back_compat)]` on by default +error: aborting due to 1 previous error diff --git a/tests/ui/proc-macro/pretty-print-hack-show.remapped.stdout b/tests/ui/proc-macro/pretty-print-hack-show.remapped.stdout deleted file mode 100644 index 3d793d2a0145..000000000000 --- a/tests/ui/proc-macro/pretty-print-hack-show.remapped.stdout +++ /dev/null @@ -1,44 +0,0 @@ -PRINT-DERIVE INPUT (DISPLAY): enum ProceduralMasqueradeDummyType { Input, } -PRINT-DERIVE RE-COLLECTED (DISPLAY): enum ProceduralMasqueradeDummyType { Input } -PRINT-DERIVE INPUT (DEBUG): TokenStream [ - Ident { - ident: "enum", - span: $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:4:1: 4:5 (#0), - }, - Ident { - ident: "ProceduralMasqueradeDummyType", - span: $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:4:6: 4:35 (#0), - }, - Group { - delimiter: Brace, - stream: TokenStream [ - Ident { - ident: "Input", - span: $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:13:5: 13:10 (#0), - }, - ], - span: $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:4:36: 14:2 (#0), - }, -] -PRINT-DERIVE INPUT (DISPLAY): enum ProceduralMasqueradeDummyType { Input, } -PRINT-DERIVE RE-COLLECTED (DISPLAY): enum ProceduralMasqueradeDummyType { Input } -PRINT-DERIVE INPUT (DEBUG): TokenStream [ - Ident { - ident: "enum", - span: $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:4:1: 4:5 (#0), - }, - Ident { - ident: "ProceduralMasqueradeDummyType", - span: $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:4:6: 4:35 (#0), - }, - Group { - delimiter: Brace, - stream: TokenStream [ - Ident { - ident: "Input", - span: $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:13:5: 13:10 (#0), - }, - ], - span: $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:4:36: 14:2 (#0), - }, -] From d9d013bec077600b8b0dc25e51191802d1e11cd9 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Mon, 27 May 2024 20:57:01 -0400 Subject: [PATCH 0629/1716] rewrite lto-smoke to rmake --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/lto-smoke/Makefile | 31 ------------------- tests/run-make/lto-smoke/rmake.rs | 13 ++++++++ 3 files changed, 13 insertions(+), 32 deletions(-) delete mode 100644 tests/run-make/lto-smoke/Makefile create mode 100644 tests/run-make/lto-smoke/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 2329b8b44dea..baf341277c76 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -145,7 +145,6 @@ run-make/lto-linkage-used-attr/Makefile run-make/lto-no-link-whole-rlib/Makefile run-make/lto-readonly-lib/Makefile run-make/lto-smoke-c/Makefile -run-make/lto-smoke/Makefile run-make/macos-deployment-target/Makefile run-make/macos-fat-archive/Makefile run-make/manual-crate-name/Makefile diff --git a/tests/run-make/lto-smoke/Makefile b/tests/run-make/lto-smoke/Makefile deleted file mode 100644 index 13a09fce7340..000000000000 --- a/tests/run-make/lto-smoke/Makefile +++ /dev/null @@ -1,31 +0,0 @@ -# ignore-cross-compile -include ../tools.mk - -all: noparam bool_true bool_false thin fat - -noparam: - $(RUSTC) lib.rs - $(RUSTC) main.rs -C lto - $(call RUN,main) - -bool_true: - $(RUSTC) lib.rs - $(RUSTC) main.rs -C lto=yes - $(call RUN,main) - - -bool_false: - $(RUSTC) lib.rs - $(RUSTC) main.rs -C lto=off - $(call RUN,main) - -thin: - $(RUSTC) lib.rs - $(RUSTC) main.rs -C lto=thin - $(call RUN,main) - -fat: - $(RUSTC) lib.rs - $(RUSTC) main.rs -C lto=fat - $(call RUN,main) - diff --git a/tests/run-make/lto-smoke/rmake.rs b/tests/run-make/lto-smoke/rmake.rs new file mode 100644 index 000000000000..7294c32fbf82 --- /dev/null +++ b/tests/run-make/lto-smoke/rmake.rs @@ -0,0 +1,13 @@ +// A simple smoke test to check that link time optimization +// (LTO) works as intended, with its various flags turned on. +// See https://github.com/rust-lang/rust/issues/10741 + +//@ ignore-cross-compile + +fn main() { + let lto_flags = ["-Clto", "-Clto=yes", "-Clto=off", "-Clto=thin", "-Clto=fat"]; + for flag in lto_flags { + rustc().input(lib.rs).run(); + rustc().input(main.rs).arg(flag).run(); + } +} From bcfa67d50d29bbe99ef0ee4d41838e6bdd651b68 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Thu, 23 May 2024 09:12:19 +1000 Subject: [PATCH 0630/1716] Remove out-of-date comment. This comment -- "by default we ignore everything in the repository" -- was added in #65939 when rustfmt was first being introduced for this repository and (briefly) every directory was ignored. Since then lots of directories have opted in to formatting, so it is no longer true. --- rustfmt.toml | 1 - 1 file changed, 1 deletion(-) diff --git a/rustfmt.toml b/rustfmt.toml index ef56059feb1c..1f914964e241 100644 --- a/rustfmt.toml +++ b/rustfmt.toml @@ -3,7 +3,6 @@ version = "Two" use_small_heuristics = "Max" merge_derives = false -# by default we ignore everything in the repository # tidy only checks files which are not ignored, each entry follows gitignore style ignore = [ "/build/", From 634270e8da47d36736c4f8d1c92266bed4e0cf82 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Mon, 27 May 2024 21:10:57 -0400 Subject: [PATCH 0631/1716] rewrite mixing-deps in rmake --- src/tools/tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/lto-smoke/rmake.rs | 2 ++ tests/run-make/mixing-deps/Makefile | 8 -------- tests/run-make/mixing-formats/rmake.rs | 13 +++++++++++++ 4 files changed, 15 insertions(+), 9 deletions(-) delete mode 100644 tests/run-make/mixing-deps/Makefile create mode 100644 tests/run-make/mixing-formats/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index baf341277c76..6d79711e6864 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -156,7 +156,6 @@ run-make/min-global-align/Makefile run-make/mingw-export-call-convention/Makefile run-make/mismatching-target-triples/Makefile run-make/missing-crate-dependency/Makefile -run-make/mixing-deps/Makefile run-make/mixing-formats/Makefile run-make/mixing-libs/Makefile run-make/msvc-opt-minsize/Makefile diff --git a/tests/run-make/lto-smoke/rmake.rs b/tests/run-make/lto-smoke/rmake.rs index 7294c32fbf82..c0f181c10825 100644 --- a/tests/run-make/lto-smoke/rmake.rs +++ b/tests/run-make/lto-smoke/rmake.rs @@ -4,6 +4,8 @@ //@ ignore-cross-compile +use run_make_support::rustc; + fn main() { let lto_flags = ["-Clto", "-Clto=yes", "-Clto=off", "-Clto=thin", "-Clto=fat"]; for flag in lto_flags { diff --git a/tests/run-make/mixing-deps/Makefile b/tests/run-make/mixing-deps/Makefile deleted file mode 100644 index c2a5a2a0abbe..000000000000 --- a/tests/run-make/mixing-deps/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -# ignore-cross-compile -include ../tools.mk - -all: - $(RUSTC) both.rs -C prefer-dynamic - $(RUSTC) dylib.rs -C prefer-dynamic - $(RUSTC) prog.rs - $(call RUN,prog) diff --git a/tests/run-make/mixing-formats/rmake.rs b/tests/run-make/mixing-formats/rmake.rs new file mode 100644 index 000000000000..fb31bbef9d19 --- /dev/null +++ b/tests/run-make/mixing-formats/rmake.rs @@ -0,0 +1,13 @@ +// This test invokes the main function in prog.rs, which has dependencies +// in both an rlib and a dylib. This test checks that these different library +// types can be successfully mixed. +//@ ignore-cross-compile + +use run_make_support::{run, rustc}; + +fn main() { + rustc().input("both.rs").arg("-Cprefer-dynamic").run(); + rustc().input("dylib.rs").arg("-Cprefer-dynamic").run(); + rustc().input("prog.rs").run(); + run("prog"); +} From b119e42b187a1f548ddb03bd6a90bc2cc820795e Mon Sep 17 00:00:00 2001 From: Chris Denton Date: Tue, 28 May 2024 02:10:06 +0000 Subject: [PATCH 0632/1716] Add run-make-support to x doc --- src/bootstrap/src/core/build_steps/doc.rs | 8 ++++++++ src/bootstrap/src/core/builder.rs | 1 + 2 files changed, 9 insertions(+) diff --git a/src/bootstrap/src/core/build_steps/doc.rs b/src/bootstrap/src/core/build_steps/doc.rs index 38c48bd9570d..30b3edfd3aed 100644 --- a/src/bootstrap/src/core/build_steps/doc.rs +++ b/src/bootstrap/src/core/build_steps/doc.rs @@ -1028,6 +1028,14 @@ tool_doc!( is_library = true, crates = ["bootstrap"] ); +tool_doc!( + RunMakeSupport, + "run_make_support", + "src/tools/run-make-support", + rustc_tool = false, + is_library = true, + crates = ["run_make_support"] +); #[derive(Ord, PartialOrd, Debug, Clone, Hash, PartialEq, Eq)] pub struct ErrorIndex { diff --git a/src/bootstrap/src/core/builder.rs b/src/bootstrap/src/core/builder.rs index 045cde56f411..b3d8465cda98 100644 --- a/src/bootstrap/src/core/builder.rs +++ b/src/bootstrap/src/core/builder.rs @@ -888,6 +888,7 @@ impl<'a> Builder<'a> { doc::Tidy, doc::Bootstrap, doc::Releases, + doc::RunMakeSupport, ), Kind::Dist => describe!( dist::Docs, From ef9e6caabc822fccb038fe8cf61d719fae5ab111 Mon Sep 17 00:00:00 2001 From: Chris Denton Date: Tue, 28 May 2024 02:11:08 +0000 Subject: [PATCH 0633/1716] Fix run-make-support doc errors error: redundant explicit link target because label contains path that resolves to same destination --- src/tools/run-make-support/src/lib.rs | 2 +- src/tools/run-make-support/src/rustc.rs | 2 +- src/tools/run-make-support/src/rustdoc.rs | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index d96c8b891278..38e4cfdb5e49 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -351,7 +351,7 @@ macro_rules! impl_common_helpers { self } - /// Inspect what the underlying [`Command`][::std::process::Command] is up to the + /// Inspect what the underlying [`Command`] is up to the /// current construction. pub fn inspect(&mut self, inspector: I) -> &mut Self where diff --git a/src/tools/run-make-support/src/rustc.rs b/src/tools/run-make-support/src/rustc.rs index 1c83b630861c..b424ae3f4210 100644 --- a/src/tools/run-make-support/src/rustc.rs +++ b/src/tools/run-make-support/src/rustc.rs @@ -203,7 +203,7 @@ impl Rustc { self } - /// Get the [`Output`][::std::process::Output] of the finished process. + /// Get the [`Output`] of the finished process. #[track_caller] pub fn command_output(&mut self) -> ::std::process::Output { // let's make sure we piped all the input and outputs diff --git a/src/tools/run-make-support/src/rustdoc.rs b/src/tools/run-make-support/src/rustdoc.rs index 9c77f1ca4624..61d7448a6bfe 100644 --- a/src/tools/run-make-support/src/rustdoc.rs +++ b/src/tools/run-make-support/src/rustdoc.rs @@ -94,7 +94,7 @@ impl Rustdoc { self } - /// Get the [`Output`][::std::process::Output] of the finished process. + /// Get the [`Output`] of the finished process. #[track_caller] pub fn command_output(&mut self) -> ::std::process::Output { // let's make sure we piped all the input and outputs From 00b759530e5fc2ffc615e21f3ff14f39cc1c031f Mon Sep 17 00:00:00 2001 From: Jubilee Young Date: Mon, 27 May 2024 16:53:48 -0700 Subject: [PATCH 0634/1716] Bump backtrace to 0.3.72 --- library/backtrace | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/library/backtrace b/library/backtrace index e15130618237..5e05efa87905 160000 --- a/library/backtrace +++ b/library/backtrace @@ -1 +1 @@ -Subproject commit e15130618237eb3e2d4b622549f9647b4c1d9ca3 +Subproject commit 5e05efa87905fb5b351a2bc5644d60c57d6d9327 From 3ec9d8db2769f0743881d209ec789e9df878fa05 Mon Sep 17 00:00:00 2001 From: Jubilee Young Date: Mon, 27 May 2024 17:05:32 -0700 Subject: [PATCH 0635/1716] Sync libstd deps with backtrace --- Cargo.lock | 32 ++++++++++++++++++++++++++------ library/std/Cargo.toml | 4 ++-- 2 files changed, 28 insertions(+), 8 deletions(-) diff --git a/Cargo.lock b/Cargo.lock index 5e8d179e5365..6e86f6c02f17 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -7,9 +7,18 @@ name = "addr2line" version = "0.21.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb" +dependencies = [ + "gimli 0.28.1", +] + +[[package]] +name = "addr2line" +version = "0.22.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "6e4503c46a5c0c7844e948c9a4d6acd9f50cccb4de1c48eb9e291ea17470c678" dependencies = [ "compiler_builtins", - "gimli", + "gimli 0.29.0", "rustc-std-workspace-alloc", "rustc-std-workspace-core", ] @@ -287,7 +296,7 @@ version = "0.3.71" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "26b05800d2e817c8b3b4b54abd461726265fa9789ae34330622f2db9ee696f9d" dependencies = [ - "addr2line", + "addr2line 0.21.0", "cc", "cfg-if", "libc", @@ -1575,6 +1584,17 @@ dependencies = [ "stable_deref_trait", ] +[[package]] +name = "gimli" +version = "0.29.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "40ecd4077b5ae9fd2e9e169b102c6c330d0605168eb0e8bf79952b256dbefffd" +dependencies = [ + "compiler_builtins", + "rustc-std-workspace-alloc", + "rustc-std-workspace-core", +] + [[package]] name = "glob" version = "0.3.1" @@ -3234,7 +3254,7 @@ dependencies = [ name = "run_make_support" version = "0.0.0" dependencies = [ - "gimli", + "gimli 0.28.1", "object 0.34.0", "regex", "similar", @@ -5130,7 +5150,7 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f" name = "std" version = "0.0.0" dependencies = [ - "addr2line", + "addr2line 0.22.0", "alloc", "cfg-if", "compiler_builtins", @@ -5409,7 +5429,7 @@ version = "0.7.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "4db52ee8fec06e119b692ef3dd2c4cf621a99204c1b8c47407870ed050305b9b" dependencies = [ - "gimli", + "gimli 0.28.1", "hashbrown", "object 0.32.2", "tracing", @@ -5909,7 +5929,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "37a19a21a537f635c16c7576f22d0f2f7d63353c1337ad4ce0d8001c7952a25b" dependencies = [ "compiler_builtins", - "gimli", + "gimli 0.28.1", "rustc-std-workspace-core", ] diff --git a/library/std/Cargo.toml b/library/std/Cargo.toml index bc78c63c577c..79a504c5a5e2 100644 --- a/library/std/Cargo.toml +++ b/library/std/Cargo.toml @@ -24,11 +24,11 @@ hashbrown = { version = "0.14", default-features = false, features = ['rustc-dep std_detect = { path = "../stdarch/crates/std_detect", default-features = false, features = ['rustc-dep-of-std'] } # Dependencies of the `backtrace` crate -rustc-demangle = { version = "0.1.21", features = ['rustc-dep-of-std'] } +rustc-demangle = { version = "0.1.24", features = ['rustc-dep-of-std'] } [target.'cfg(not(all(windows, target_env = "msvc", not(target_vendor = "uwp"))))'.dependencies] miniz_oxide = { version = "0.7.0", optional = true, default-features = false } -addr2line = { version = "0.21.0", optional = true, default-features = false } +addr2line = { version = "0.22.0", optional = true, default-features = false } [target.'cfg(not(all(windows, target_env = "msvc")))'.dependencies] libc = { version = "0.2.153", default-features = false, features = ['rustc-dep-of-std'], public = true } From 87599ddd86afc706f424870ca1a6f8dc4ae0aa8e Mon Sep 17 00:00:00 2001 From: lcnr Date: Tue, 21 May 2024 19:30:26 +0000 Subject: [PATCH 0636/1716] add debug_assert to alias-relate --- compiler/rustc_trait_selection/src/solve/alias_relate.rs | 1 + 1 file changed, 1 insertion(+) diff --git a/compiler/rustc_trait_selection/src/solve/alias_relate.rs b/compiler/rustc_trait_selection/src/solve/alias_relate.rs index 43e61de955af..33b30bef6832 100644 --- a/compiler/rustc_trait_selection/src/solve/alias_relate.rs +++ b/compiler/rustc_trait_selection/src/solve/alias_relate.rs @@ -28,6 +28,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { ) -> QueryResult<'tcx> { let tcx = self.tcx(); let Goal { param_env, predicate: (lhs, rhs, direction) } = goal; + debug_assert!(lhs.to_alias_term().is_some() || rhs.to_alias_term().is_some()); // Structurally normalize the lhs. let lhs = if let Some(alias) = lhs.to_alias_term() { From 4d5a9bcb86630417002c9ab6d77ba023d30077b8 Mon Sep 17 00:00:00 2001 From: lcnr Date: Tue, 21 May 2024 19:30:47 +0000 Subject: [PATCH 0637/1716] change selection test to run-pass --- tests/ui/traits/next-solver/dyn-any-dont-prefer-impl.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tests/ui/traits/next-solver/dyn-any-dont-prefer-impl.rs b/tests/ui/traits/next-solver/dyn-any-dont-prefer-impl.rs index a63fe729fd68..1554d74f2145 100644 --- a/tests/ui/traits/next-solver/dyn-any-dont-prefer-impl.rs +++ b/tests/ui/traits/next-solver/dyn-any-dont-prefer-impl.rs @@ -1,5 +1,5 @@ //@ compile-flags: -Znext-solver -//@ check-pass +//@ run-pass // Test that selection prefers the builtin trait object impl for `Any` // instead of the user defined impl. Both impls apply to the trait From 13ce22904265dbb7ab9d5bd8d508d8ea0ca4c4de Mon Sep 17 00:00:00 2001 From: lcnr Date: Tue, 21 May 2024 19:56:18 +0000 Subject: [PATCH 0638/1716] refactor analyse visitor to instantiate states in order --- .../src/solve/inspect/analyse.rs | 86 +++++++++---------- 1 file changed, 41 insertions(+), 45 deletions(-) diff --git a/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs b/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs index 447357f8b3f6..1f27978e5a62 100644 --- a/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs +++ b/compiler/rustc_trait_selection/src/solve/inspect/analyse.rs @@ -89,10 +89,8 @@ impl<'tcx> NormalizesToTermHack<'tcx> { pub struct InspectCandidate<'a, 'tcx> { goal: &'a InspectGoal<'a, 'tcx>, kind: inspect::ProbeKind>, - nested_goals: - Vec<(GoalSource, inspect::CanonicalState, Goal<'tcx, ty::Predicate<'tcx>>>)>, + steps: Vec<&'a inspect::ProbeStep>>, final_state: inspect::CanonicalState, ()>, - impl_args: Option, ty::GenericArgsRef<'tcx>>>, result: QueryResult<'tcx>, shallow_certainty: Certainty, } @@ -148,7 +146,7 @@ impl<'a, 'tcx> InspectCandidate<'a, 'tcx> { #[instrument( level = "debug", skip_all, - fields(goal = ?self.goal.goal, nested_goals = ?self.nested_goals) + fields(goal = ?self.goal.goal, steps = ?self.steps) )] pub fn instantiate_nested_goals_and_opt_impl_args( &self, @@ -157,22 +155,34 @@ impl<'a, 'tcx> InspectCandidate<'a, 'tcx> { let infcx = self.goal.infcx; let param_env = self.goal.goal.param_env; let mut orig_values = self.goal.orig_values.to_vec(); - let instantiated_goals: Vec<_> = self - .nested_goals - .iter() - .map(|(source, goal)| { - ( - *source, + + let mut instantiated_goals = vec![]; + let mut opt_impl_args = None; + for step in &self.steps { + match **step { + inspect::ProbeStep::AddGoal(source, goal) => instantiated_goals.push(( + source, canonical::instantiate_canonical_state( infcx, span, param_env, &mut orig_values, - *goal, + goal, ), - ) - }) - .collect(); + )), + inspect::ProbeStep::RecordImplArgs { impl_args } => { + opt_impl_args = Some(canonical::instantiate_canonical_state( + infcx, + span, + param_env, + &mut orig_values, + impl_args, + )); + } + inspect::ProbeStep::MakeCanonicalResponse { .. } + | inspect::ProbeStep::NestedProbe(_) => unreachable!(), + } + } let () = canonical::instantiate_canonical_state( infcx, @@ -182,17 +192,6 @@ impl<'a, 'tcx> InspectCandidate<'a, 'tcx> { self.final_state, ); - let impl_args = self.impl_args.map(|impl_args| { - canonical::instantiate_canonical_state( - infcx, - span, - param_env, - &mut orig_values, - impl_args, - ) - .fold_with(&mut EagerResolver::new(infcx)) - }); - if let Some(term_hack) = self.goal.normalizes_to_term_hack { // FIXME: We ignore the expected term of `NormalizesTo` goals // when computing the result of its candidates. This is @@ -200,6 +199,9 @@ impl<'a, 'tcx> InspectCandidate<'a, 'tcx> { let _ = term_hack.constrain(infcx, span, param_env); } + let opt_impl_args = + opt_impl_args.map(|impl_args| impl_args.fold_with(&mut EagerResolver::new(infcx))); + let goals = instantiated_goals .into_iter() .map(|(source, goal)| match goal.predicate.kind().no_bound_vars() { @@ -249,7 +251,7 @@ impl<'a, 'tcx> InspectCandidate<'a, 'tcx> { }) .collect(); - (goals, impl_args) + (goals, opt_impl_args) } /// Visit all nested goals of this candidate, rolling back @@ -279,17 +281,18 @@ impl<'a, 'tcx> InspectGoal<'a, 'tcx> { fn candidates_recur( &'a self, candidates: &mut Vec>, - nested_goals: &mut Vec<( - GoalSource, - inspect::CanonicalState, Goal<'tcx, ty::Predicate<'tcx>>>, - )>, - probe: &inspect::Probe>, + steps: &mut Vec<&'a inspect::ProbeStep>>, + probe: &'a inspect::Probe>, ) { let mut shallow_certainty = None; - let mut impl_args = None; for step in &probe.steps { match *step { - inspect::ProbeStep::AddGoal(source, goal) => nested_goals.push((source, goal)), + inspect::ProbeStep::AddGoal(..) | inspect::ProbeStep::RecordImplArgs { .. } => { + steps.push(step) + } + inspect::ProbeStep::MakeCanonicalResponse { shallow_certainty: c } => { + assert_eq!(shallow_certainty.replace(c), None); + } inspect::ProbeStep::NestedProbe(ref probe) => { match probe.kind { // These never assemble candidates for the goal we're trying to solve. @@ -305,18 +308,12 @@ impl<'a, 'tcx> InspectGoal<'a, 'tcx> { // Nested probes have to prove goals added in their parent // but do not leak them, so we truncate the added goals // afterwards. - let num_goals = nested_goals.len(); - self.candidates_recur(candidates, nested_goals, probe); - nested_goals.truncate(num_goals); + let num_steps = steps.len(); + self.candidates_recur(candidates, steps, probe); + steps.truncate(num_steps); } } } - inspect::ProbeStep::MakeCanonicalResponse { shallow_certainty: c } => { - assert_eq!(shallow_certainty.replace(c), None); - } - inspect::ProbeStep::RecordImplArgs { impl_args: i } => { - assert_eq!(impl_args.replace(i), None); - } } } @@ -338,11 +335,10 @@ impl<'a, 'tcx> InspectGoal<'a, 'tcx> { candidates.push(InspectCandidate { goal: self, kind: probe.kind, - nested_goals: nested_goals.clone(), + steps: steps.clone(), final_state: probe.final_state, - result, shallow_certainty, - impl_args, + result, }); } } From 98bfd54b0abd938d6b424d45b57766e6f2f41ea2 Mon Sep 17 00:00:00 2001 From: lcnr Date: Tue, 21 May 2024 19:56:53 +0000 Subject: [PATCH 0639/1716] eagerly normalize when adding goals --- compiler/rustc_middle/src/ty/predicate.rs | 9 +- .../src/solve/eval_ctxt/mod.rs | 77 +++++++++++++++- ...ap-unnormalizable-projection-1.next.stderr | 2 +- .../occurs-check/opaques.next.stderr | 2 +- .../as_expression.next.stderr | 20 ++++- .../do_not_recommend/as_expression.rs | 5 +- ...st-region-infer-to-static-in-binder.stderr | 4 +- .../cycles/cycle-modulo-ambig-aliases.rs | 89 +++++++++++++++++++ .../cycles/cycle-modulo-ambig-aliases.stderr | 15 ++++ 9 files changed, 207 insertions(+), 16 deletions(-) create mode 100644 tests/ui/traits/next-solver/cycles/cycle-modulo-ambig-aliases.rs create mode 100644 tests/ui/traits/next-solver/cycles/cycle-modulo-ambig-aliases.stderr diff --git a/compiler/rustc_middle/src/ty/predicate.rs b/compiler/rustc_middle/src/ty/predicate.rs index efb6cf255462..c730f5117c56 100644 --- a/compiler/rustc_middle/src/ty/predicate.rs +++ b/compiler/rustc_middle/src/ty/predicate.rs @@ -121,17 +121,14 @@ impl<'tcx> Predicate<'tcx> { #[inline] pub fn allow_normalization(self) -> bool { match self.kind().skip_binder() { - PredicateKind::Clause(ClauseKind::WellFormed(_)) => false, - // `NormalizesTo` is only used in the new solver, so this shouldn't - // matter. Normalizing `term` would be 'wrong' however, as it changes whether - // `normalizes-to(::Assoc, ::Assoc)` holds. - PredicateKind::NormalizesTo(..) => false, + PredicateKind::Clause(ClauseKind::WellFormed(_)) + | PredicateKind::AliasRelate(..) + | PredicateKind::NormalizesTo(..) => false, PredicateKind::Clause(ClauseKind::Trait(_)) | PredicateKind::Clause(ClauseKind::RegionOutlives(_)) | PredicateKind::Clause(ClauseKind::TypeOutlives(_)) | PredicateKind::Clause(ClauseKind::Projection(_)) | PredicateKind::Clause(ClauseKind::ConstArgHasType(..)) - | PredicateKind::AliasRelate(..) | PredicateKind::ObjectSafe(_) | PredicateKind::Subtype(_) | PredicateKind::Coerce(_) diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs index ce408ddea378..4cf0af948119 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs @@ -13,11 +13,14 @@ use rustc_middle::traits::solve::{ inspect, CanonicalInput, CanonicalResponse, Certainty, PredefinedOpaquesData, QueryResult, }; use rustc_middle::traits::specialization_graph; +use rustc_middle::ty::AliasRelationDirection; +use rustc_middle::ty::TypeFolder; use rustc_middle::ty::{ self, InferCtxtLike, OpaqueTypeKey, Ty, TyCtxt, TypeFoldable, TypeSuperVisitable, TypeVisitable, TypeVisitableExt, TypeVisitor, }; use rustc_span::DUMMY_SP; +use rustc_type_ir::fold::TypeSuperFoldable; use rustc_type_ir::{self as ir, CanonicalVarValues, Interner}; use rustc_type_ir_macros::{Lift_Generic, TypeFoldable_Generic, TypeVisitable_Generic}; use std::ops::ControlFlow; @@ -455,13 +458,23 @@ impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { } #[instrument(level = "trace", skip(self))] - pub(super) fn add_normalizes_to_goal(&mut self, goal: Goal<'tcx, ty::NormalizesTo<'tcx>>) { + pub(super) fn add_normalizes_to_goal(&mut self, mut goal: Goal<'tcx, ty::NormalizesTo<'tcx>>) { + goal.predicate = goal + .predicate + .fold_with(&mut ReplaceAliasWithInfer { ecx: self, param_env: goal.param_env }); self.inspect.add_normalizes_to_goal(self.infcx, self.max_input_universe, goal); self.nested_goals.normalizes_to_goals.push(goal); } #[instrument(level = "debug", skip(self))] - pub(super) fn add_goal(&mut self, source: GoalSource, goal: Goal<'tcx, ty::Predicate<'tcx>>) { + pub(super) fn add_goal( + &mut self, + source: GoalSource, + mut goal: Goal<'tcx, ty::Predicate<'tcx>>, + ) { + goal.predicate = goal + .predicate + .fold_with(&mut ReplaceAliasWithInfer { ecx: self, param_env: goal.param_env }); self.inspect.add_goal(self.infcx, self.max_input_universe, source, goal); self.nested_goals.goals.push((source, goal)); } @@ -1084,3 +1097,63 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { }); } } + +/// Eagerly replace aliases with inference variables, emitting `AliasRelate` +/// goals, used when adding goals to the `EvalCtxt`. We compute the +/// `AliasRelate` goals before evaluating the actual goal to get all the +/// constraints we can. +/// +/// This is a performance optimization to more eagerly detect cycles during trait +/// solving. See tests/ui/traits/next-solver/cycles/cycle-modulo-ambig-aliases.rs. +struct ReplaceAliasWithInfer<'me, 'a, 'tcx> { + ecx: &'me mut EvalCtxt<'a, InferCtxt<'tcx>>, + param_env: ty::ParamEnv<'tcx>, +} + +impl<'tcx> TypeFolder> for ReplaceAliasWithInfer<'_, '_, 'tcx> { + fn interner(&self) -> TyCtxt<'tcx> { + self.ecx.tcx() + } + + fn fold_ty(&mut self, ty: Ty<'tcx>) -> Ty<'tcx> { + match *ty.kind() { + ty::Alias(..) if !ty.has_escaping_bound_vars() => { + let infer_ty = self.ecx.next_ty_infer(); + let normalizes_to = ty::PredicateKind::AliasRelate( + ty.into(), + infer_ty.into(), + AliasRelationDirection::Equate, + ); + self.ecx.add_goal( + GoalSource::Misc, + Goal::new(self.interner(), self.param_env, normalizes_to), + ); + infer_ty + } + _ => ty.super_fold_with(self), + } + } + + fn fold_const(&mut self, ct: ty::Const<'tcx>) -> ty::Const<'tcx> { + match ct.kind() { + ty::ConstKind::Unevaluated(..) if !ct.has_escaping_bound_vars() => { + let infer_ct = self.ecx.next_const_infer(ct.ty()); + let normalizes_to = ty::PredicateKind::AliasRelate( + ct.into(), + infer_ct.into(), + AliasRelationDirection::Equate, + ); + self.ecx.add_goal( + GoalSource::Misc, + Goal::new(self.interner(), self.param_env, normalizes_to), + ); + infer_ct + } + _ => ct.super_fold_with(self), + } + } + + fn fold_predicate(&mut self, predicate: ty::Predicate<'tcx>) -> ty::Predicate<'tcx> { + if predicate.allow_normalization() { predicate.super_fold_with(self) } else { predicate } + } +} diff --git a/tests/ui/coherence/coherence-overlap-unnormalizable-projection-1.next.stderr b/tests/ui/coherence/coherence-overlap-unnormalizable-projection-1.next.stderr index 49b236f9d2aa..781ab0fcbf76 100644 --- a/tests/ui/coherence/coherence-overlap-unnormalizable-projection-1.next.stderr +++ b/tests/ui/coherence/coherence-overlap-unnormalizable-projection-1.next.stderr @@ -12,7 +12,7 @@ LL | impl Trait for Box {} | ^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `Box<_>` | = note: downstream crates may implement trait `WithAssoc<'a>` for type `std::boxed::Box<_>` - = note: downstream crates may implement trait `WhereBound` for type `std::boxed::Box< as WithAssoc<'a>>::Assoc>` + = note: downstream crates may implement trait `WhereBound` for type `std::boxed::Box<_>` error: aborting due to 1 previous error diff --git a/tests/ui/coherence/occurs-check/opaques.next.stderr b/tests/ui/coherence/occurs-check/opaques.next.stderr index f6c5255a1869..11d1edcca2f9 100644 --- a/tests/ui/coherence/occurs-check/opaques.next.stderr +++ b/tests/ui/coherence/occurs-check/opaques.next.stderr @@ -11,7 +11,7 @@ error[E0282]: type annotations needed --> $DIR/opaques.rs:13:20 | LL | pub fn cast(x: Container, T>) -> Container { - | ^ cannot infer type for associated type `>::Assoc` + | ^ cannot infer type error: aborting due to 2 previous errors diff --git a/tests/ui/diagnostic_namespace/do_not_recommend/as_expression.next.stderr b/tests/ui/diagnostic_namespace/do_not_recommend/as_expression.next.stderr index 47acf5b968b7..568cb8931a19 100644 --- a/tests/ui/diagnostic_namespace/do_not_recommend/as_expression.next.stderr +++ b/tests/ui/diagnostic_namespace/do_not_recommend/as_expression.next.stderr @@ -16,6 +16,22 @@ LL | where LL | T: AsExpression, | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Foo::check` -error: aborting due to 1 previous error +error[E0277]: the trait bound `&str: AsExpression` is not satisfied + --> $DIR/as_expression.rs:57:15 + | +LL | SelectInt.check("bar"); + | ^^^^^ the trait `AsExpression` is not implemented for `&str` + | + = help: the trait `AsExpression` is implemented for `&str` + = help: for that trait implementation, expected `Text`, found `Integer` -For more information about this error, try `rustc --explain E0277`. +error[E0271]: type mismatch resolving `<&str as AsExpression<::SqlType>>::Expression == _` + --> $DIR/as_expression.rs:57:5 + | +LL | SelectInt.check("bar"); + | ^^^^^^^^^^^^^^^^^^^^^^ types differ + +error: aborting due to 3 previous errors + +Some errors have detailed explanations: E0271, E0277. +For more information about an error, try `rustc --explain E0271`. diff --git a/tests/ui/diagnostic_namespace/do_not_recommend/as_expression.rs b/tests/ui/diagnostic_namespace/do_not_recommend/as_expression.rs index 5fd5cc544009..37b4429f694c 100644 --- a/tests/ui/diagnostic_namespace/do_not_recommend/as_expression.rs +++ b/tests/ui/diagnostic_namespace/do_not_recommend/as_expression.rs @@ -55,6 +55,7 @@ impl Foo for T where T: Expression {} fn main() { SelectInt.check("bar"); - //[next]~^ ERROR the trait bound `&str: AsExpression<::SqlType>` is not satisfied - //[current]~^^ ERROR the trait bound `&str: AsExpression` is not satisfied + //~^ ERROR the trait bound `&str: AsExpression` is not satisfied + //[next]~| the trait bound `&str: AsExpression<::SqlType>` is not satisfied + //[next]~| type mismatch } diff --git a/tests/ui/traits/next-solver/canonical/const-region-infer-to-static-in-binder.stderr b/tests/ui/traits/next-solver/canonical/const-region-infer-to-static-in-binder.stderr index 170f2c7d34c4..9dde1963bd49 100644 --- a/tests/ui/traits/next-solver/canonical/const-region-infer-to-static-in-binder.stderr +++ b/tests/ui/traits/next-solver/canonical/const-region-infer-to-static-in-binder.stderr @@ -1,8 +1,8 @@ -error[E0284]: type annotations needed: cannot satisfy `the constant `{ || {} }` can be evaluated` +error[E0284]: type annotations needed: cannot satisfy `{ || {} } == _` --> $DIR/const-region-infer-to-static-in-binder.rs:4:10 | LL | struct X; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot satisfy `the constant `{ || {} }` can be evaluated` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot satisfy `{ || {} } == _` error: using function pointers as const generic parameters is forbidden --> $DIR/const-region-infer-to-static-in-binder.rs:4:20 diff --git a/tests/ui/traits/next-solver/cycles/cycle-modulo-ambig-aliases.rs b/tests/ui/traits/next-solver/cycles/cycle-modulo-ambig-aliases.rs new file mode 100644 index 000000000000..5c13a871a7b8 --- /dev/null +++ b/tests/ui/traits/next-solver/cycles/cycle-modulo-ambig-aliases.rs @@ -0,0 +1,89 @@ +//@ compile-flags: -Znext-solver + +// A regression test for #125269. We previously ended up +// recursively proving `&<_ as SpeciesPackedElem>::Assoc: Typed` +// for all aliases which ended up causing exponential blowup. +// +// This has been fixed by eagerly normalizing the associated +// type before computing the nested goals, resulting in an +// immediate inductive cycle. + +pub trait Typed {} + +pub struct SpeciesCases(E); + +pub trait SpeciesPackedElim { + type Ogre; + type Cyclops; + type Wendigo; + type Cavetroll; + type Mountaintroll; + type Swamptroll; + type Dullahan; + type Werewolf; + type Occultsaurok; + type Mightysaurok; + type Slysaurok; + type Mindflayer; + type Minotaur; + type Tidalwarrior; + type Yeti; + type Harvester; + type Blueoni; + type Redoni; + type Cultistwarlord; + type Cultistwarlock; + type Huskbrute; + type Tursus; + type Gigasfrost; + type AdletElder; + type SeaBishop; + type HaniwaGeneral; + type TerracottaBesieger; + type TerracottaDemolisher; + type TerracottaPunisher; + type TerracottaPursuer; + type Cursekeeper; +} + +impl<'b, E: SpeciesPackedElim> Typed for &'b SpeciesCases +where + &'b E::Ogre: Typed, + &'b E::Cyclops: Typed, + &'b E::Wendigo: Typed, + &'b E::Cavetroll: Typed, + &'b E::Mountaintroll: Typed, + &'b E::Swamptroll: Typed, + &'b E::Dullahan: Typed, + &'b E::Werewolf: Typed, + &'b E::Occultsaurok: Typed, + &'b E::Mightysaurok: Typed, + &'b E::Slysaurok: Typed, + &'b E::Mindflayer: Typed, + &'b E::Minotaur: Typed, + &'b E::Tidalwarrior: Typed, + &'b E::Yeti: Typed, + &'b E::Harvester: Typed, + &'b E::Blueoni: Typed, + &'b E::Redoni: Typed, + &'b E::Cultistwarlord: Typed, + &'b E::Cultistwarlock: Typed, + &'b E::Huskbrute: Typed, + &'b E::Tursus: Typed, + &'b E::Gigasfrost: Typed, + &'b E::AdletElder: Typed, + &'b E::SeaBishop: Typed, + &'b E::HaniwaGeneral: Typed, + &'b E::TerracottaBesieger: Typed, + &'b E::TerracottaDemolisher: Typed, + &'b E::TerracottaPunisher: Typed, + &'b E::TerracottaPursuer: Typed, + &'b E::Cursekeeper: Typed, +{} + +fn foo() {} + +fn main() { + foo::<&_>(); + //~^ ERROR overflow evaluating the requirement `&_: Typed` +} diff --git a/tests/ui/traits/next-solver/cycles/cycle-modulo-ambig-aliases.stderr b/tests/ui/traits/next-solver/cycles/cycle-modulo-ambig-aliases.stderr new file mode 100644 index 000000000000..d350eb0f7795 --- /dev/null +++ b/tests/ui/traits/next-solver/cycles/cycle-modulo-ambig-aliases.stderr @@ -0,0 +1,15 @@ +error[E0275]: overflow evaluating the requirement `&_: Typed` + --> $DIR/cycle-modulo-ambig-aliases.rs:87:11 + | +LL | foo::<&_>(); + | ^^ + | +note: required by a bound in `foo` + --> $DIR/cycle-modulo-ambig-aliases.rs:84:11 + | +LL | fn foo() {} + | ^^^^^ required by this bound in `foo` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0275`. From 4277ddf54e0a511f196bf3b411d26436f5717479 Mon Sep 17 00:00:00 2001 From: The Miri Cronjob Bot Date: Tue, 28 May 2024 05:12:58 +0000 Subject: [PATCH 0640/1716] Preparing for merge from rustc --- src/tools/miri/rust-version | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/tools/miri/rust-version b/src/tools/miri/rust-version index 3b24a903d3af..cf698c31801f 100644 --- a/src/tools/miri/rust-version +++ b/src/tools/miri/rust-version @@ -1 +1 @@ -a59072ec4fb6824213df5e9de8cae4812fd4fe97 +d86e1229411c086e1267c80dd9872959ca13b8b9 From 27cdc0df4e73b76466c72ae69ab6545f84089ad2 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Le=C3=B3n=20Orell=20Valerian=20Liehr?= Date: Tue, 28 May 2024 04:15:54 +0200 Subject: [PATCH 0641/1716] Don't suggest turning non-char-literal exprs of ty `char` into string literals --- .../src/infer/error_reporting/mod.rs | 13 +++++++---- tests/crashes/125081.rs | 7 ------ tests/ui/inference/str-as-char-butchered.rs | 7 ++++++ .../ui/inference/str-as-char-butchered.stderr | 22 +++++++++++++++++++ tests/ui/inference/str-as-char-non-lit.rs | 9 ++++++++ tests/ui/inference/str-as-char-non-lit.stderr | 19 ++++++++++++++++ 6 files changed, 66 insertions(+), 11 deletions(-) delete mode 100644 tests/crashes/125081.rs create mode 100644 tests/ui/inference/str-as-char-butchered.rs create mode 100644 tests/ui/inference/str-as-char-butchered.stderr create mode 100644 tests/ui/inference/str-as-char-non-lit.rs create mode 100644 tests/ui/inference/str-as-char-non-lit.stderr diff --git a/compiler/rustc_infer/src/infer/error_reporting/mod.rs b/compiler/rustc_infer/src/infer/error_reporting/mod.rs index e0894ed31bfc..c7affaa17e9d 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/mod.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/mod.rs @@ -2064,10 +2064,15 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { // If a string was expected and the found expression is a character literal, // perhaps the user meant to write `"s"` to specify a string literal. (ty::Ref(_, r, _), ty::Char) if r.is_str() => { - suggestions.push(TypeErrorAdditionalDiags::MeantStrLiteral { - start: span.with_hi(span.lo() + BytePos(1)), - end: span.with_lo(span.hi() - BytePos(1)), - }) + if let Ok(code) = self.tcx.sess().source_map().span_to_snippet(span) + && code.starts_with("'") + && code.ends_with("'") + { + suggestions.push(TypeErrorAdditionalDiags::MeantStrLiteral { + start: span.with_hi(span.lo() + BytePos(1)), + end: span.with_lo(span.hi() - BytePos(1)), + }); + } } // For code `if Some(..) = expr `, the type mismatch may be expected `bool` but found `()`, // we try to suggest to add the missing `let` for `if let Some(..) = expr` diff --git a/tests/crashes/125081.rs b/tests/crashes/125081.rs deleted file mode 100644 index 7139caaa00df..000000000000 --- a/tests/crashes/125081.rs +++ /dev/null @@ -1,7 +0,0 @@ -//@ known-bug: rust-lang/rust#125081 - -use std::cell::Cell; - -fn main() { - let _: Cell<&str, "a"> = Cell::new('β); -} diff --git a/tests/ui/inference/str-as-char-butchered.rs b/tests/ui/inference/str-as-char-butchered.rs new file mode 100644 index 000000000000..6020cd3422fd --- /dev/null +++ b/tests/ui/inference/str-as-char-butchered.rs @@ -0,0 +1,7 @@ +// issue: rust-lang/rust#125081 + +fn main() { + let _: &str = 'β; + //~^ ERROR expected `while`, `for`, `loop` or `{` after a label + //~| ERROR mismatched types +} diff --git a/tests/ui/inference/str-as-char-butchered.stderr b/tests/ui/inference/str-as-char-butchered.stderr new file mode 100644 index 000000000000..ad465f979d4d --- /dev/null +++ b/tests/ui/inference/str-as-char-butchered.stderr @@ -0,0 +1,22 @@ +error: expected `while`, `for`, `loop` or `{` after a label + --> $DIR/str-as-char-butchered.rs:4:21 + | +LL | let _: &str = 'β; + | ^ expected `while`, `for`, `loop` or `{` after a label + | +help: add `'` to close the char literal + | +LL | let _: &str = 'β'; + | + + +error[E0308]: mismatched types + --> $DIR/str-as-char-butchered.rs:4:19 + | +LL | let _: &str = 'β; + | ---- ^^ expected `&str`, found `char` + | | + | expected due to this + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/inference/str-as-char-non-lit.rs b/tests/ui/inference/str-as-char-non-lit.rs new file mode 100644 index 000000000000..d38b46630dcf --- /dev/null +++ b/tests/ui/inference/str-as-char-non-lit.rs @@ -0,0 +1,9 @@ +// Don't suggest double quotes when encountering an expr of type `char` where a `&str` +// is expected if the expr is not a char literal. +// issue: rust-lang/rust#125595 + +fn main() { + let _: &str = ('a'); //~ ERROR mismatched types + let token = || 'a'; + let _: &str = token(); //~ ERROR mismatched types +} diff --git a/tests/ui/inference/str-as-char-non-lit.stderr b/tests/ui/inference/str-as-char-non-lit.stderr new file mode 100644 index 000000000000..7675fe013307 --- /dev/null +++ b/tests/ui/inference/str-as-char-non-lit.stderr @@ -0,0 +1,19 @@ +error[E0308]: mismatched types + --> $DIR/str-as-char-non-lit.rs:6:19 + | +LL | let _: &str = ('a'); + | ---- ^^^^^ expected `&str`, found `char` + | | + | expected due to this + +error[E0308]: mismatched types + --> $DIR/str-as-char-non-lit.rs:8:19 + | +LL | let _: &str = token(); + | ---- ^^^^^^^ expected `&str`, found `char` + | | + | expected due to this + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0308`. From 822c3203c65a16bbe14c1b92894ad7fd72ebb432 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?R=C3=A9my=20Rakic?= Date: Tue, 28 May 2024 08:36:00 +0000 Subject: [PATCH 0642/1716] remove legacy rustsrc folder --- src/ci/docker/run.sh | 1 - 1 file changed, 1 deletion(-) diff --git a/src/ci/docker/run.sh b/src/ci/docker/run.sh index 22dcb808c743..a4c59b3067ea 100755 --- a/src/ci/docker/run.sh +++ b/src/ci/docker/run.sh @@ -270,7 +270,6 @@ else args="$args --volume $root_dir:/checkout$SRC_MOUNT_OPTION" args="$args --volume $objdir:/checkout/obj" args="$args --volume $HOME/.cargo:/cargo" - args="$args --volume $HOME/rustsrc:$HOME/rustsrc" args="$args --volume /tmp/toolstate:/tmp/toolstate" id=$(id -u) From f0273664ce275afe78a25b75f001b77d09186113 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?R=C3=A9my=20Rakic?= Date: Tue, 28 May 2024 08:52:33 +0000 Subject: [PATCH 0643/1716] document DIST_TRY_BUILD --- src/ci/github-actions/jobs.yml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/ci/github-actions/jobs.yml b/src/ci/github-actions/jobs.yml index 05470eebf014..174aaeec6b50 100644 --- a/src/ci/github-actions/jobs.yml +++ b/src/ci/github-actions/jobs.yml @@ -61,6 +61,12 @@ envs: try: <<: *production + # The following env var activates faster `try` builds in `opt-dist` by, e.g. + # - building only the more commonly useful components (we rarely need e.g. rust-docs in try + # builds) + # - not running `opt-dist`'s post-optimization smoke tests on the resulting toolchain + # + # If you *want* these to happen however, temporarily uncomment it before triggering a try build. DIST_TRY_BUILD: 1 auto: From 402a649e753c2f21c67c641e99dc90796be85566 Mon Sep 17 00:00:00 2001 From: Trevor Spiteri Date: Tue, 28 May 2024 11:02:03 +0200 Subject: [PATCH 0644/1716] update tracking issue for lazy_cell_consume --- library/core/src/cell/lazy.rs | 2 +- library/std/src/sync/lazy_lock.rs | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/library/core/src/cell/lazy.rs b/library/core/src/cell/lazy.rs index 47eab6fd0163..80b85b954462 100644 --- a/library/core/src/cell/lazy.rs +++ b/library/core/src/cell/lazy.rs @@ -78,7 +78,7 @@ impl T> LazyCell { /// assert_eq!(&*lazy, "HELLO, WORLD!"); /// assert_eq!(LazyCell::into_inner(lazy).ok(), Some("HELLO, WORLD!".to_string())); /// ``` - #[unstable(feature = "lazy_cell_consume", issue = "109736")] + #[unstable(feature = "lazy_cell_consume", issue = "125623")] pub fn into_inner(this: Self) -> Result { match this.state.into_inner() { State::Init(data) => Ok(data), diff --git a/library/std/src/sync/lazy_lock.rs b/library/std/src/sync/lazy_lock.rs index 16d5dc30552f..d3bb3bfdff92 100644 --- a/library/std/src/sync/lazy_lock.rs +++ b/library/std/src/sync/lazy_lock.rs @@ -126,7 +126,7 @@ impl T> LazyLock { /// assert_eq!(&*lazy, "HELLO, WORLD!"); /// assert_eq!(LazyLock::into_inner(lazy).ok(), Some("HELLO, WORLD!".to_string())); /// ``` - #[unstable(feature = "lazy_cell_consume", issue = "109736")] + #[unstable(feature = "lazy_cell_consume", issue = "125623")] pub fn into_inner(mut this: Self) -> Result { let state = this.once.state(); match state { From 56733372b8b78bf4d47877d7e50d6ab514d3e67c Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Mon, 27 May 2024 11:06:43 +0200 Subject: [PATCH 0645/1716] Add `assert_not_contains` to `run-make-support` library --- src/tools/run-make-support/src/lib.rs | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index d96c8b891278..35d7b65bec08 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -268,6 +268,17 @@ pub fn recursive_diff(dir1: impl AsRef, dir2: impl AsRef) { } } +/// Check that `haystack` does not contain `needle`. Panic otherwise. +pub fn assert_not_contains(haystack: &str, needle: &str) { + if haystack.contains(needle) { + eprintln!("=== HAYSTACK ==="); + eprintln!("{}", haystack); + eprintln!("=== NEEDLE ==="); + eprintln!("{}", needle); + panic!("needle was unexpectedly found in haystack"); + } +} + /// Implement common helpers for command wrappers. This assumes that the command wrapper is a struct /// containing a `cmd: Command` field and a `output` function. The provided helpers are: /// From 404d47ec20cf7606d28156945a6a4fc831c6e7d8 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Sun, 26 May 2024 13:37:53 +0200 Subject: [PATCH 0646/1716] Migrate `run-make/allow-warnings-cmdline-stability` to `rmake.rs` --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - .../allow-warnings-cmdline-stability/Makefile | 16 ---------------- .../allow-warnings-cmdline-stability/rmake.rs | 11 +++++++++++ 3 files changed, 11 insertions(+), 17 deletions(-) delete mode 100644 tests/run-make/allow-warnings-cmdline-stability/Makefile create mode 100644 tests/run-make/allow-warnings-cmdline-stability/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 2329b8b44dea..9ca27834cf72 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -1,6 +1,5 @@ run-make/allocator-shim-circular-deps/Makefile run-make/allow-non-lint-warnings-cmdline/Makefile -run-make/allow-warnings-cmdline-stability/Makefile run-make/archive-duplicate-names/Makefile run-make/atomic-lock-free/Makefile run-make/bare-outfile/Makefile diff --git a/tests/run-make/allow-warnings-cmdline-stability/Makefile b/tests/run-make/allow-warnings-cmdline-stability/Makefile deleted file mode 100644 index 368a39af6bfe..000000000000 --- a/tests/run-make/allow-warnings-cmdline-stability/Makefile +++ /dev/null @@ -1,16 +0,0 @@ -# ignore-cross-compile -include ../tools.mk - -# Test that -A warnings makes the 'empty trait list for derive' warning go away -DEP=$(shell $(RUSTC) bar.rs) -OUT=$(shell $(RUSTC) foo.rs -A warnings 2>&1 | grep "warning" ) - -all: foo bar - test -z '$(OUT)' - -# These are just to ensure that the above commands actually work -bar: - $(RUSTC) bar.rs - -foo: bar - $(RUSTC) foo.rs -A warnings diff --git a/tests/run-make/allow-warnings-cmdline-stability/rmake.rs b/tests/run-make/allow-warnings-cmdline-stability/rmake.rs new file mode 100644 index 000000000000..8f6fe6bd0b66 --- /dev/null +++ b/tests/run-make/allow-warnings-cmdline-stability/rmake.rs @@ -0,0 +1,11 @@ +// Test that `-Awarnings` suppresses warnings for unstable APIs. + +use run_make_support::{assert_not_contains, rustc}; + +fn main() { + rustc().input("bar.rs").run(); + let output = rustc().input("foo.rs").arg("-Awarnings").run(); + + assert_not_contains(&String::from_utf8(output.stdout).unwrap(), "warning"); + assert_not_contains(&String::from_utf8(output.stderr).unwrap(), "warning"); +} From 4702a1c345f1c13e13bdbe9bb3fdb81d6f866d85 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Tue, 28 May 2024 10:36:37 +1000 Subject: [PATCH 0647/1716] Fix comments. Some are too long, some aren't complete sentences, some are complete sentences but don't bother with an upper case letter at the start. All annoying and hurt readability. --- rustfmt.toml | 14 ++++----- src/bootstrap/src/core/build_steps/format.rs | 31 +++++++++++--------- 2 files changed, 24 insertions(+), 21 deletions(-) diff --git a/rustfmt.toml b/rustfmt.toml index 1f914964e241..4812c9302dfd 100644 --- a/rustfmt.toml +++ b/rustfmt.toml @@ -3,24 +3,24 @@ version = "Two" use_small_heuristics = "Max" merge_derives = false -# tidy only checks files which are not ignored, each entry follows gitignore style +# Files to ignore. Each entry uses gitignore syntax. ignore = [ "/build/", "/*-build/", "/build-*/", "/vendor/", - # tests for now are not formatted, as they are sometimes pretty-printing constrained - # (and generally rustfmt can move around comments in UI-testing incompatible ways) + # Tests for now are not formatted, as they are sometimes pretty-printing constrained + # (and generally rustfmt can move around comments in UI-testing incompatible ways). "/tests/*", - # but we still want to format rmake.rs files in tests/run-make/ so we need to do this - # dance to avoid the parent directory from being excluded + # But we still want to format rmake.rs files in tests/run-make/ so we need to do this + # dance to avoid the parent directory from being excluded. "!/tests/run-make/", "/tests/run-make/*/*.rs", "!/tests/run-make/*/rmake.rs", - # do not format submodules + # Do not format submodules. # FIXME: sync submodule list with tidy/bootstrap/etc # tidy/src/walk.rs:filter_dirs "library/backtrace", @@ -42,7 +42,7 @@ ignore = [ "src/tools/rustc-perf", "src/tools/rustfmt", - # these are ignored by a standard cargo fmt run + # These are ignored by a standard cargo fmt run. "compiler/rustc_codegen_cranelift/scripts", "compiler/rustc_codegen_cranelift/example/gen_block_iterate.rs", # uses edition 2024 ] diff --git a/src/bootstrap/src/core/build_steps/format.rs b/src/bootstrap/src/core/build_steps/format.rs index d9dc34c01370..7f9d88ca7216 100644 --- a/src/bootstrap/src/core/build_steps/format.rs +++ b/src/bootstrap/src/core/build_steps/format.rs @@ -12,8 +12,8 @@ use std::sync::mpsc::SyncSender; fn rustfmt(src: &Path, rustfmt: &Path, paths: &[PathBuf], check: bool) -> impl FnMut(bool) -> bool { let mut cmd = Command::new(rustfmt); - // avoid the submodule config paths from coming into play, - // we only allow a single global config for the workspace for now + // Avoid the submodule config paths from coming into play. We only allow a single global config + // for the workspace for now. cmd.arg("--config-path").arg(&src.canonicalize().unwrap()); cmd.arg("--edition").arg("2021"); cmd.arg("--unstable-features"); @@ -24,7 +24,7 @@ fn rustfmt(src: &Path, rustfmt: &Path, paths: &[PathBuf], check: bool) -> impl F cmd.args(paths); let cmd_debug = format!("{cmd:?}"); let mut cmd = cmd.spawn().expect("running rustfmt"); - // poor man's async: return a closure that'll wait for rustfmt's completion + // Poor man's async: return a closure that'll wait for rustfmt's completion. move |block: bool| -> bool { if !block { match cmd.try_wait() { @@ -72,7 +72,7 @@ fn verify_rustfmt_version(build: &Builder<'_>) -> bool { !program_out_of_date(&stamp_file, &version) } -/// Updates the last rustfmt version used +/// Updates the last rustfmt version used. fn update_rustfmt_version(build: &Builder<'_>) { let Some((version, stamp_file)) = get_rustfmt_version(build) else { return; @@ -168,9 +168,10 @@ pub fn format(build: &Builder<'_>, check: bool, paths: &[PathBuf]) { untracked_count += 1; fmt_override.add(&format!("!/{untracked_path}")).expect(untracked_path); } - // Only check modified files locally to speed up runtime. - // We still check all files in CI to avoid bugs in `get_modified_rs_files` letting regressions slip through; - // we also care about CI time less since this is still very fast compared to building the compiler. + // Only check modified files locally to speed up runtime. We still check all files in + // CI to avoid bugs in `get_modified_rs_files` letting regressions slip through; we + // also care about CI time less since this is still very fast compared to building the + // compiler. if !CiEnv::is_ci() && paths.is_empty() { match get_modified_rs_files(build) { Ok(Some(files)) => { @@ -275,21 +276,23 @@ pub fn format(build: &Builder<'_>, check: bool, paths: &[PathBuf]) { .overrides(fmt_override) .build_parallel(); - // there is a lot of blocking involved in spawning a child process and reading files to format. - // spawn more processes than available concurrency to keep the CPU busy + // There is a lot of blocking involved in spawning a child process and reading files to format. + // Spawn more processes than available concurrency to keep the CPU busy. let max_processes = build.jobs() as usize * 2; - // spawn child processes on a separate thread so we can batch entries we have received from ignore + // Spawn child processes on a separate thread so we can batch entries we have received from + // ignore. let thread = std::thread::spawn(move || { let mut children = VecDeque::new(); while let Ok(path) = rx.recv() { - // try getting more paths from the channel to amortize the overhead of spawning processes + // Try getting more paths from the channel to amortize the overhead of spawning + // processes. let paths: Vec<_> = rx.try_iter().take(63).chain(std::iter::once(path)).collect(); let child = rustfmt(&src, &rustfmt_path, paths.as_slice(), check); children.push_back(child); - // poll completion before waiting + // Poll completion before waiting. for i in (0..children.len()).rev() { if children[i](false) { children.swap_remove_back(i); @@ -298,12 +301,12 @@ pub fn format(build: &Builder<'_>, check: bool, paths: &[PathBuf]) { } if children.len() >= max_processes { - // await oldest child + // Await oldest child. children.pop_front().unwrap()(true); } } - // await remaining children + // Await remaining children. for mut child in children { child(true); } From f1b0ca08a42e9cbfcd91e25174be2e36cdaf2651 Mon Sep 17 00:00:00 2001 From: Nicholas Nethercote Date: Tue, 28 May 2024 10:03:00 +1000 Subject: [PATCH 0648/1716] Don't format `tests/run-make/*/rmake.rs`. It's reasonable to want to, but in the current implementation this causes multiple problems. - All the `rmake.rs` files are formatted every time even when they haven't changed. This is because they get whitelisted unconditionally in the `OverrideBuilder`, before the changed files get added. - The way `OverrideBuilder` works, if any files gets whitelisted then no unmentioned files will get traversed. This is surprising, and means that the `rmake.rs` entries broke the use of explicit paths to `x fmt`, and also broke `GITHUB_ACTIONS=true git check --fmt`. The commit removes the `rmake.rs` entries, fixes the formatting of a couple of files that were misformatted (not previously caught due to the `GITHUB_ACTIONS` breakage), and bans `!`-prefixed entries in `rustfmt.toml` because they cause all these problems. --- compiler/rustc_mir_transform/src/instsimplify.rs | 6 ++---- compiler/rustc_mir_transform/src/validate.rs | 2 +- library/core/src/ptr/metadata.rs | 8 ++------ rustfmt.toml | 10 ++-------- src/bootstrap/src/core/build_steps/format.rs | 11 +++++++++-- 5 files changed, 16 insertions(+), 21 deletions(-) diff --git a/compiler/rustc_mir_transform/src/instsimplify.rs b/compiler/rustc_mir_transform/src/instsimplify.rs index 5e70b300f338..a54332b6f257 100644 --- a/compiler/rustc_mir_transform/src/instsimplify.rs +++ b/compiler/rustc_mir_transform/src/instsimplify.rs @@ -219,10 +219,8 @@ impl<'tcx> InstSimplifyContext<'tcx, '_> { for (i, field) in variant.fields.iter_enumerated() { let field_ty = field.ty(self.tcx, args); if field_ty == *cast_ty { - let place = place.project_deeper( - &[ProjectionElem::Field(i, *cast_ty)], - self.tcx, - ); + let place = place + .project_deeper(&[ProjectionElem::Field(i, *cast_ty)], self.tcx); let operand = if operand.is_move() { Operand::Move(place) } else { diff --git a/compiler/rustc_mir_transform/src/validate.rs b/compiler/rustc_mir_transform/src/validate.rs index 6df32169eecb..8d7547d03e8e 100644 --- a/compiler/rustc_mir_transform/src/validate.rs +++ b/compiler/rustc_mir_transform/src/validate.rs @@ -691,7 +691,7 @@ impl<'a, 'tcx> Visitor<'tcx> for TypeChecker<'a, 'tcx> { location, format!( "You can't project to field {f:?} of `DynMetadata` because \ - layout is weird and thinks it doesn't have fields." + layout is weird and thinks it doesn't have fields." ), ); } diff --git a/library/core/src/ptr/metadata.rs b/library/core/src/ptr/metadata.rs index e501970b580d..6dfeb66694d3 100644 --- a/library/core/src/ptr/metadata.rs +++ b/library/core/src/ptr/metadata.rs @@ -209,18 +209,14 @@ impl DynMetadata { // Consider a reference like `&(i32, dyn Send)`: the vtable will only store the size of the // `Send` part! // SAFETY: DynMetadata always contains a valid vtable pointer - return unsafe { - crate::intrinsics::vtable_size(self.vtable_ptr() as *const ()) - }; + return unsafe { crate::intrinsics::vtable_size(self.vtable_ptr() as *const ()) }; } /// Returns the alignment of the type associated with this vtable. #[inline] pub fn align_of(self) -> usize { // SAFETY: DynMetadata always contains a valid vtable pointer - return unsafe { - crate::intrinsics::vtable_align(self.vtable_ptr() as *const ()) - }; + return unsafe { crate::intrinsics::vtable_align(self.vtable_ptr() as *const ()) }; } /// Returns the size and alignment together as a `Layout` diff --git a/rustfmt.toml b/rustfmt.toml index 4812c9302dfd..b78e96d5872f 100644 --- a/rustfmt.toml +++ b/rustfmt.toml @@ -3,7 +3,7 @@ version = "Two" use_small_heuristics = "Max" merge_derives = false -# Files to ignore. Each entry uses gitignore syntax. +# Files to ignore. Each entry uses gitignore syntax, but `!` prefixes aren't allowed. ignore = [ "/build/", "/*-build/", @@ -12,13 +12,7 @@ ignore = [ # Tests for now are not formatted, as they are sometimes pretty-printing constrained # (and generally rustfmt can move around comments in UI-testing incompatible ways). - "/tests/*", - - # But we still want to format rmake.rs files in tests/run-make/ so we need to do this - # dance to avoid the parent directory from being excluded. - "!/tests/run-make/", - "/tests/run-make/*/*.rs", - "!/tests/run-make/*/rmake.rs", + "/tests/", # Do not format submodules. # FIXME: sync submodule list with tidy/bootstrap/etc diff --git a/src/bootstrap/src/core/build_steps/format.rs b/src/bootstrap/src/core/build_steps/format.rs index 7f9d88ca7216..44f575b51da2 100644 --- a/src/bootstrap/src/core/build_steps/format.rs +++ b/src/bootstrap/src/core/build_steps/format.rs @@ -115,8 +115,15 @@ pub fn format(build: &Builder<'_>, check: bool, paths: &[PathBuf]) { let rustfmt_config: RustfmtConfig = t!(toml::from_str(&rustfmt_config)); let mut fmt_override = ignore::overrides::OverrideBuilder::new(&build.src); for ignore in rustfmt_config.ignore { - if let Some(ignore) = ignore.strip_prefix('!') { - fmt_override.add(ignore).expect(ignore); + if ignore.starts_with('!') { + // A `!`-prefixed entry could be added as a whitelisted entry in `fmt_override`, i.e. + // strip the `!` prefix. But as soon as whitelisted entries are added, an + // `OverrideBuilder` will only traverse those whitelisted entries, and won't traverse + // any files that aren't explicitly mentioned. No bueno! Maybe there's a way to combine + // explicit whitelisted entries and traversal of unmentioned files, but for now just + // forbid such entries. + eprintln!("`!`-prefixed entries are not supported in rustfmt.toml, sorry"); + crate::exit!(1); } else { fmt_override.add(&format!("!{ignore}")).expect(&ignore); } From d82be822a84c6e511cfb586827d0f100290f6581 Mon Sep 17 00:00:00 2001 From: Mads Marquart Date: Mon, 27 May 2024 15:01:04 +0200 Subject: [PATCH 0649/1716] Enable a few tests on macOS --- tests/ui/panic-runtime/abort-link-to-unwinding-crates.rs | 4 +--- tests/ui/panic-runtime/abort.rs | 4 +--- tests/ui/panic-runtime/link-to-abort.rs | 1 - 3 files changed, 2 insertions(+), 7 deletions(-) diff --git a/tests/ui/panic-runtime/abort-link-to-unwinding-crates.rs b/tests/ui/panic-runtime/abort-link-to-unwinding-crates.rs index 11e4929f12e0..ce6644e67586 100644 --- a/tests/ui/panic-runtime/abort-link-to-unwinding-crates.rs +++ b/tests/ui/panic-runtime/abort-link-to-unwinding-crates.rs @@ -5,12 +5,11 @@ //@ no-prefer-dynamic //@ ignore-wasm32 no processes //@ ignore-sgx no processes -//@ ignore-macos extern crate exit_success_if_unwind; -use std::process::Command; use std::env; +use std::process::Command; fn main() { let mut args = env::args_os(); @@ -25,7 +24,6 @@ fn main() { let mut cmd = Command::new(env::args_os().next().unwrap()); cmd.arg("foo"); - // ARMv6 hanges while printing the backtrace, see #41004 if cfg!(target_arch = "arm") && cfg!(target_env = "gnu") { cmd.env("RUST_BACKTRACE", "0"); diff --git a/tests/ui/panic-runtime/abort.rs b/tests/ui/panic-runtime/abort.rs index 22bd2ecfb00e..caf0243ebdb2 100644 --- a/tests/ui/panic-runtime/abort.rs +++ b/tests/ui/panic-runtime/abort.rs @@ -4,10 +4,9 @@ //@ no-prefer-dynamic //@ ignore-wasm32 no processes //@ ignore-sgx no processes -//@ ignore-macos -use std::process::Command; use std::env; +use std::process::Command; struct Bomb; @@ -23,7 +22,6 @@ fn main() { if let Some(s) = args.next() { if &*s == "foo" { - let _bomb = Bomb; panic!("try to catch me"); diff --git a/tests/ui/panic-runtime/link-to-abort.rs b/tests/ui/panic-runtime/link-to-abort.rs index 2a7052616f2c..a4013f2a6cf7 100644 --- a/tests/ui/panic-runtime/link-to-abort.rs +++ b/tests/ui/panic-runtime/link-to-abort.rs @@ -2,7 +2,6 @@ //@ compile-flags:-C panic=abort //@ no-prefer-dynamic -//@ ignore-macos #![feature(panic_abort)] From 37ae2b68b1631a5f2cb7d2b2f6478acba654d651 Mon Sep 17 00:00:00 2001 From: Mads Marquart Date: Thu, 16 May 2024 12:58:09 +0200 Subject: [PATCH 0650/1716] Disable stack overflow handler tests on iOS-like platforms --- library/std/src/sys/pal/unix/stack_overflow.rs | 8 ++++++++ tests/ui/abi/stack-probes-lto.rs | 4 ++++ tests/ui/abi/stack-probes.rs | 4 ++++ tests/ui/runtime/out-of-stack.rs | 4 ++++ 4 files changed, 20 insertions(+) diff --git a/library/std/src/sys/pal/unix/stack_overflow.rs b/library/std/src/sys/pal/unix/stack_overflow.rs index 26c49257ad00..2e5bd85327a1 100644 --- a/library/std/src/sys/pal/unix/stack_overflow.rs +++ b/library/std/src/sys/pal/unix/stack_overflow.rs @@ -491,6 +491,14 @@ mod imp { } } +// This is intentionally not enabled on iOS/tvOS/watchOS/visionOS, as it uses +// several symbols that might lead to rejections from the App Store, namely +// `sigaction`, `sigaltstack`, `sysctlbyname`, `mmap`, `munmap` and `mprotect`. +// +// This might be overly cautious, though it is also what Swift does (and they +// usually have fewer qualms about forwards compatibility, since the runtime +// is shipped with the OS): +// #[cfg(not(any( target_os = "linux", target_os = "freebsd", diff --git a/tests/ui/abi/stack-probes-lto.rs b/tests/ui/abi/stack-probes-lto.rs index 5451b72d9792..70343b0599ac 100644 --- a/tests/ui/abi/stack-probes-lto.rs +++ b/tests/ui/abi/stack-probes-lto.rs @@ -10,5 +10,9 @@ //@ compile-flags: -C lto //@ no-prefer-dynamic //@ ignore-nto Crash analysis impossible at SIGSEGV in QNX Neutrino +//@ ignore-ios Stack probes are enabled, but the SIGSEGV handler isn't +//@ ignore-tvos Stack probes are enabled, but the SIGSEGV handler isn't +//@ ignore-watchos Stack probes are enabled, but the SIGSEGV handler isn't +//@ ignore-visionos Stack probes are enabled, but the SIGSEGV handler isn't include!("stack-probes.rs"); diff --git a/tests/ui/abi/stack-probes.rs b/tests/ui/abi/stack-probes.rs index 32d4d6cd31e6..22304257593f 100644 --- a/tests/ui/abi/stack-probes.rs +++ b/tests/ui/abi/stack-probes.rs @@ -8,6 +8,10 @@ //@ ignore-sgx no processes //@ ignore-fuchsia no exception handler registered for segfault //@ ignore-nto Crash analysis impossible at SIGSEGV in QNX Neutrino +//@ ignore-ios Stack probes are enabled, but the SIGSEGV handler isn't +//@ ignore-tvos Stack probes are enabled, but the SIGSEGV handler isn't +//@ ignore-watchos Stack probes are enabled, but the SIGSEGV handler isn't +//@ ignore-visionos Stack probes are enabled, but the SIGSEGV handler isn't use std::env; use std::mem::MaybeUninit; diff --git a/tests/ui/runtime/out-of-stack.rs b/tests/ui/runtime/out-of-stack.rs index a62398df8b80..c5300635ad92 100644 --- a/tests/ui/runtime/out-of-stack.rs +++ b/tests/ui/runtime/out-of-stack.rs @@ -7,6 +7,10 @@ //@ ignore-sgx no processes //@ ignore-fuchsia must translate zircon signal to SIGABRT, FIXME (#58590) //@ ignore-nto no stack overflow handler used (no alternate stack available) +//@ ignore-ios stack overflow handlers aren't enabled +//@ ignore-tvos stack overflow handlers aren't enabled +//@ ignore-watchos stack overflow handlers aren't enabled +//@ ignore-visionos stack overflow handlers aren't enabled #![feature(rustc_private)] From e6b9bb7b7200c69b82fd69572a7c0a03ead3d60f Mon Sep 17 00:00:00 2001 From: Mads Marquart Date: Mon, 27 May 2024 15:17:18 +0200 Subject: [PATCH 0651/1716] Make more of the test suite run on Mac Catalyst This adds the `only-apple`/`ignore-apple` compiletest directive, and uses that basically everywhere instead of `only-macos`/`ignore-macos`. Some of the updates in `run-make` are a bit redundant, as they use `ignore-cross-compile` and won't run on iOS - but using Apple in these is still more correct, so I've made that change anyhow. --- library/std/src/fs/tests.rs | 2 +- src/bootstrap/src/utils/dylib.rs | 2 +- src/tools/compiletest/src/header.rs | 3 +- src/tools/compiletest/src/header/cfg.rs | 6 ++++ src/tools/compiletest/src/runtest.rs | 2 +- src/tools/compiletest/src/util.rs | 2 +- src/tools/tidy/src/issues.txt | 1 - src/tools/tidy/src/ui_tests.rs | 2 +- .../stack-protector-heuristics-effect.rs | 5 +--- .../x86_64-array-pair-load-store-merge.rs | 2 +- tests/assembly/x86_64-function-return.rs | 2 +- tests/codegen/gdb_debug_script_load.rs | 2 +- tests/codegen/instrument-coverage/testprog.rs | 4 +-- .../issues/issue-44056-macos-tls-align.rs | 2 +- tests/codegen/mainsubprogram.rs | 5 ++-- tests/codegen/mainsubprogramstart.rs | 2 +- tests/codegen/pgo-counter-bias.rs | 2 +- tests/run-make/c-dynamic-dylib/Makefile | 2 +- tests/run-make/c-dynamic-rlib/Makefile | 2 +- tests/run-make/emit-stack-sizes/Makefile | 4 +-- tests/run-make/fpic/Makefile | 2 +- tests/run-make/link-framework/Makefile | 2 +- tests/run-make/macos-fat-archive/Makefile | 2 +- .../Makefile | 2 +- tests/run-make/used-cdylib-macos/Makefile | 4 +-- tests/run-pass-valgrind/exit-flushes.rs | 5 ++-- tests/ui/backtrace/apple-no-dsymutil.rs | 2 +- tests/ui/deployment-target/macos-target.rs | 2 +- tests/ui/intrinsics/intrinsic-alignment.rs | 29 +++++++++--------- tests/ui/issues/issue-45731.rs | 13 +++++--- tests/ui/link-section.rs | 24 +++++++-------- tests/ui/linkage-attr/framework.rs | 2 +- .../kind-framework.rs} | 2 +- .../kind-framework.stderr} | 2 +- ...e-attr-does-not-panic-llvm-issue-33992.rs} | 2 +- tests/ui/linkage-attr/linkage1.rs | 2 +- .../auxiliary/lib.rs | 0 .../propagate-generic-issue-18804}/main.rs | 2 +- tests/ui/manual/manual-link-framework.rs | 6 ++-- .../structs-enums/enum-rec/issue-17431-6.rs | 2 +- tests/ui/structs-enums/rec-align-u64.rs | 30 +++++++++---------- 41 files changed, 98 insertions(+), 93 deletions(-) rename tests/ui/{osx-frameworks.rs => linkage-attr/kind-framework.rs} (58%) rename tests/ui/{osx-frameworks.stderr => linkage-attr/kind-framework.stderr} (89%) rename tests/ui/{issues/issue-33992.rs => linkage-attr/linkage-attr-does-not-panic-llvm-issue-33992.rs} (96%) rename tests/ui/{issues/issue-18804 => linkage-attr/propagate-generic-issue-18804}/auxiliary/lib.rs (100%) rename tests/ui/{issues/issue-18804 => linkage-attr/propagate-generic-issue-18804}/main.rs (91%) diff --git a/library/std/src/fs/tests.rs b/library/std/src/fs/tests.rs index dfa05671ab0f..62a268facb63 100644 --- a/library/std/src/fs/tests.rs +++ b/library/std/src/fs/tests.rs @@ -1431,7 +1431,7 @@ fn metadata_access_times() { assert_eq!(check!(a.modified()), check!(a.modified())); assert_eq!(check!(b.accessed()), check!(b.modified())); - if cfg!(target_os = "macos") || cfg!(target_os = "windows") { + if cfg!(target_vendor = "apple") || cfg!(target_os = "windows") { check!(a.created()); check!(b.created()); } diff --git a/src/bootstrap/src/utils/dylib.rs b/src/bootstrap/src/utils/dylib.rs index b6e7aec1756b..90bcff59a647 100644 --- a/src/bootstrap/src/utils/dylib.rs +++ b/src/bootstrap/src/utils/dylib.rs @@ -5,7 +5,7 @@ pub fn dylib_path_var() -> &'static str { if cfg!(target_os = "windows") { "PATH" - } else if cfg!(target_os = "macos") { + } else if cfg!(target_vendor = "apple") { "DYLD_LIBRARY_PATH" } else if cfg!(target_os = "haiku") { "LIBRARY_PATH" diff --git a/src/tools/compiletest/src/header.rs b/src/tools/compiletest/src/header.rs index c7c807d3e684..dc5818201b6d 100644 --- a/src/tools/compiletest/src/header.rs +++ b/src/tools/compiletest/src/header.rs @@ -747,6 +747,7 @@ const KNOWN_DIRECTIVE_NAMES: &[&str] = &[ "ignore-aarch64", "ignore-aarch64-unknown-linux-gnu", "ignore-android", + "ignore-apple", "ignore-arm", "ignore-avr", "ignore-beta", @@ -829,7 +830,6 @@ const KNOWN_DIRECTIVE_NAMES: &[&str] = &[ "ignore-x32", "ignore-x86", "ignore-x86_64", - "ignore-x86_64-apple-darwin", "ignore-x86_64-unknown-linux-gnu", "incremental", "known-bug", @@ -876,6 +876,7 @@ const KNOWN_DIRECTIVE_NAMES: &[&str] = &[ "only-32bit", "only-64bit", "only-aarch64", + "only-apple", "only-arm", "only-avr", "only-beta", diff --git a/src/tools/compiletest/src/header/cfg.rs b/src/tools/compiletest/src/header/cfg.rs index df8c80470502..510043e3bfd8 100644 --- a/src/tools/compiletest/src/header/cfg.rs +++ b/src/tools/compiletest/src/header/cfg.rs @@ -159,6 +159,12 @@ pub(super) fn parse_cfg_name_directive<'a>( message: "when the architecture is part of the Thumb family" } + condition! { + name: "apple", + condition: config.target.contains("apple"), + message: "when the target vendor is Apple" + } + // Technically the locally built compiler uses the "dev" channel rather than the "nightly" // channel, even though most people don't know or won't care about it. To avoid confusion, we // treat the "dev" channel as the "nightly" channel when processing the directive. diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs index 02c9d384ab7e..e8ceff847224 100644 --- a/src/tools/compiletest/src/runtest.rs +++ b/src/tools/compiletest/src/runtest.rs @@ -98,7 +98,7 @@ fn get_lib_name(lib: &str, aux_type: AuxType) -> Option { AuxType::Lib => Some(format!("lib{}.rlib", lib)), AuxType::Dylib => Some(if cfg!(windows) { format!("{}.dll", lib) - } else if cfg!(target_os = "macos") { + } else if cfg!(target_vendor = "apple") { format!("lib{}.dylib", lib) } else { format!("lib{}.so", lib) diff --git a/src/tools/compiletest/src/util.rs b/src/tools/compiletest/src/util.rs index 8f9425eb0716..09a7f0395cfb 100644 --- a/src/tools/compiletest/src/util.rs +++ b/src/tools/compiletest/src/util.rs @@ -57,7 +57,7 @@ impl PathBufExt for PathBuf { pub fn dylib_env_var() -> &'static str { if cfg!(windows) { "PATH" - } else if cfg!(target_os = "macos") { + } else if cfg!(target_vendor = "apple") { "DYLD_LIBRARY_PATH" } else if cfg!(target_os = "haiku") { "LIBRARY_PATH" diff --git a/src/tools/tidy/src/issues.txt b/src/tools/tidy/src/issues.txt index 881b4f84173c..398a6fd0fbaa 100644 --- a/src/tools/tidy/src/issues.txt +++ b/src/tools/tidy/src/issues.txt @@ -2122,7 +2122,6 @@ ui/issues/issue-33687.rs ui/issues/issue-33770.rs ui/issues/issue-3389.rs ui/issues/issue-33941.rs -ui/issues/issue-33992.rs ui/issues/issue-34047.rs ui/issues/issue-34074.rs ui/issues/issue-34209.rs diff --git a/src/tools/tidy/src/ui_tests.rs b/src/tools/tidy/src/ui_tests.rs index 055d620361fb..cce0fb2c1a25 100644 --- a/src/tools/tidy/src/ui_tests.rs +++ b/src/tools/tidy/src/ui_tests.rs @@ -15,7 +15,7 @@ use std::path::{Path, PathBuf}; const ENTRY_LIMIT: u32 = 900; // FIXME: The following limits should be reduced eventually. -const ISSUES_ENTRY_LIMIT: u32 = 1676; +const ISSUES_ENTRY_LIMIT: u32 = 1674; const EXPECTED_TEST_FILE_EXTENSIONS: &[&str] = &[ "rs", // test source files diff --git a/tests/assembly/stack-protector/stack-protector-heuristics-effect.rs b/tests/assembly/stack-protector/stack-protector-heuristics-effect.rs index 8e32d170244a..1f15f1a318a6 100644 --- a/tests/assembly/stack-protector/stack-protector-heuristics-effect.rs +++ b/tests/assembly/stack-protector/stack-protector-heuristics-effect.rs @@ -1,6 +1,6 @@ //@ revisions: all strong basic none missing //@ assembly-output: emit-asm -//@ ignore-macos slightly different policy on stack protection of arrays +//@ ignore-apple slightly different policy on stack protection of arrays //@ ignore-msvc stack check code uses different function names //@ ignore-nvptx64 stack protector is not supported //@ ignore-wasm32-bare @@ -17,12 +17,9 @@ // See comments on https://github.com/rust-lang/rust/issues/114903. #![crate_type = "lib"] - #![allow(incomplete_features)] - #![feature(unsized_locals, unsized_fn_params)] - // CHECK-LABEL: emptyfn: #[no_mangle] pub fn emptyfn() { diff --git a/tests/assembly/x86_64-array-pair-load-store-merge.rs b/tests/assembly/x86_64-array-pair-load-store-merge.rs index 9cf54ae14a16..849f34e72e51 100644 --- a/tests/assembly/x86_64-array-pair-load-store-merge.rs +++ b/tests/assembly/x86_64-array-pair-load-store-merge.rs @@ -2,7 +2,7 @@ //@ compile-flags: --crate-type=lib -O -C llvm-args=-x86-asm-syntax=intel //@ only-x86_64 //@ ignore-sgx -//@ ignore-macos (manipulates rsp too) +//@ ignore-apple (manipulates rsp too) // Depending on various codegen choices, this might end up copying // a `<2 x i8>`, an `i16`, or two `i8`s. diff --git a/tests/assembly/x86_64-function-return.rs b/tests/assembly/x86_64-function-return.rs index 64eb05062cbc..7cfdf5bce0c1 100644 --- a/tests/assembly/x86_64-function-return.rs +++ b/tests/assembly/x86_64-function-return.rs @@ -9,7 +9,7 @@ //@ [keep-thunk-extern] compile-flags: -Zfunction-return=keep -Zfunction-return=thunk-extern //@ [thunk-extern-keep] compile-flags: -Zfunction-return=thunk-extern -Zfunction-return=keep //@ only-x86_64 -//@ ignore-x86_64-apple-darwin Symbol is called `___x86_return_thunk` (Darwin's extra underscore) +//@ ignore-apple Symbol is called `___x86_return_thunk` (Darwin's extra underscore) //@ ignore-sgx Tests incompatible with LVI mitigations #![crate_type = "lib"] diff --git a/tests/codegen/gdb_debug_script_load.rs b/tests/codegen/gdb_debug_script_load.rs index f15defeaca8b..30d518c0bcb8 100644 --- a/tests/codegen/gdb_debug_script_load.rs +++ b/tests/codegen/gdb_debug_script_load.rs @@ -1,6 +1,6 @@ // //@ ignore-windows -//@ ignore-macos +//@ ignore-apple //@ ignore-wasm //@ ignore-emscripten diff --git a/tests/codegen/instrument-coverage/testprog.rs b/tests/codegen/instrument-coverage/testprog.rs index b352cbdb7557..acc4f35d9054 100644 --- a/tests/codegen/instrument-coverage/testprog.rs +++ b/tests/codegen/instrument-coverage/testprog.rs @@ -11,7 +11,7 @@ //@ [LINUX] filecheck-flags: -DINSTR_PROF_COVFUN=__llvm_covfun //@ [LINUX] filecheck-flags: '-DCOMDAT_IF_SUPPORTED=, comdat' -//@ [DARWIN] only-macos +//@ [DARWIN] only-apple //@ [DARWIN] filecheck-flags: -DINSTR_PROF_DATA=__DATA,__llvm_prf_data,regular,live_support //@ [DARWIN] filecheck-flags: -DINSTR_PROF_NAME=__DATA,__llvm_prf_names //@ [DARWIN] filecheck-flags: -DINSTR_PROF_CNTS=__DATA,__llvm_prf_cnts @@ -49,7 +49,7 @@ where pub fn wrap_with(inner: T, should_wrap: bool, wrapper: F) where - F: FnOnce(&T) + F: FnOnce(&T), { if should_wrap { wrapper(&inner) diff --git a/tests/codegen/issues/issue-44056-macos-tls-align.rs b/tests/codegen/issues/issue-44056-macos-tls-align.rs index c99f0b73038b..972b8490d18f 100644 --- a/tests/codegen/issues/issue-44056-macos-tls-align.rs +++ b/tests/codegen/issues/issue-44056-macos-tls-align.rs @@ -1,5 +1,5 @@ // -//@ only-macos +//@ only-apple //@ compile-flags: -O #![crate_type = "rlib"] diff --git a/tests/codegen/mainsubprogram.rs b/tests/codegen/mainsubprogram.rs index c1933b2b3904..12b24c90229e 100644 --- a/tests/codegen/mainsubprogram.rs +++ b/tests/codegen/mainsubprogram.rs @@ -2,7 +2,7 @@ // before 4.0, formerly backported to the Rust LLVM fork. //@ ignore-windows -//@ ignore-macos +//@ ignore-apple //@ ignore-wasi //@ compile-flags: -g -C no-prepopulate-passes @@ -10,5 +10,4 @@ // CHECK-LABEL: @main // CHECK: {{.*}}DISubprogram{{.*}}name: "main",{{.*}}DI{{(SP)?}}FlagMainSubprogram{{.*}} -pub fn main() { -} +pub fn main() {} diff --git a/tests/codegen/mainsubprogramstart.rs b/tests/codegen/mainsubprogramstart.rs index 84d680b9bff9..20741791db5c 100644 --- a/tests/codegen/mainsubprogramstart.rs +++ b/tests/codegen/mainsubprogramstart.rs @@ -1,5 +1,5 @@ //@ ignore-windows -//@ ignore-macos +//@ ignore-apple //@ ignore-wasi wasi codegens the main symbol differently //@ compile-flags: -g -C no-prepopulate-passes diff --git a/tests/codegen/pgo-counter-bias.rs b/tests/codegen/pgo-counter-bias.rs index 1263eaf206f7..87d31073d5ae 100644 --- a/tests/codegen/pgo-counter-bias.rs +++ b/tests/codegen/pgo-counter-bias.rs @@ -1,6 +1,6 @@ // Test that __llvm_profile_counter_bias does not get internalized by lto. -//@ ignore-macos -runtime-counter-relocation not honored on Mach-O +//@ ignore-apple -runtime-counter-relocation not honored on Mach-O //@ compile-flags: -Cprofile-generate -Cllvm-args=-runtime-counter-relocation -Clto=fat //@ needs-profiler-support //@ no-prefer-dynamic diff --git a/tests/run-make/c-dynamic-dylib/Makefile b/tests/run-make/c-dynamic-dylib/Makefile index 0d4096404867..39561b28222c 100644 --- a/tests/run-make/c-dynamic-dylib/Makefile +++ b/tests/run-make/c-dynamic-dylib/Makefile @@ -4,7 +4,7 @@ # ignore-cross-compile include ../tools.mk -# ignore-macos +# ignore-apple # # This hits an assertion in the linker on older versions of osx apparently diff --git a/tests/run-make/c-dynamic-rlib/Makefile b/tests/run-make/c-dynamic-rlib/Makefile index a64e89cc0dc4..7b05e3d91a09 100644 --- a/tests/run-make/c-dynamic-rlib/Makefile +++ b/tests/run-make/c-dynamic-rlib/Makefile @@ -4,7 +4,7 @@ # ignore-cross-compile include ../tools.mk -# ignore-macos +# ignore-apple # # This hits an assertion in the linker on older versions of osx apparently diff --git a/tests/run-make/emit-stack-sizes/Makefile b/tests/run-make/emit-stack-sizes/Makefile index f636ebd28f2e..b546fcba5121 100644 --- a/tests/run-make/emit-stack-sizes/Makefile +++ b/tests/run-make/emit-stack-sizes/Makefile @@ -1,10 +1,10 @@ include ../tools.mk # ignore-windows -# ignore-macos +# ignore-apple # # This feature only works when the output object format is ELF so we ignore -# macOS and Windows +# Apple and Windows # check that the .stack_sizes section is generated all: diff --git a/tests/run-make/fpic/Makefile b/tests/run-make/fpic/Makefile index c38dd8d6e8c4..d3754d17372f 100644 --- a/tests/run-make/fpic/Makefile +++ b/tests/run-make/fpic/Makefile @@ -2,7 +2,7 @@ include ../tools.mk # ignore-windows -# ignore-macos +# ignore-apple # Test for #39529. # `-z text` causes ld to error if there are any non-PIC sections diff --git a/tests/run-make/link-framework/Makefile b/tests/run-make/link-framework/Makefile index f33347ac7f8f..96d832ad4a83 100644 --- a/tests/run-make/link-framework/Makefile +++ b/tests/run-make/link-framework/Makefile @@ -1,4 +1,4 @@ -# only-macos +# only-apple # # Check that linking to a framework actually makes it to the linker. diff --git a/tests/run-make/macos-fat-archive/Makefile b/tests/run-make/macos-fat-archive/Makefile index b6582c809e8b..0feb39a23cb5 100644 --- a/tests/run-make/macos-fat-archive/Makefile +++ b/tests/run-make/macos-fat-archive/Makefile @@ -1,4 +1,4 @@ -# only-macos +# only-apple include ../tools.mk diff --git a/tests/run-make/native-link-modifier-verbatim-linker/Makefile b/tests/run-make/native-link-modifier-verbatim-linker/Makefile index 256dc2d0664e..47ed2a142918 100644 --- a/tests/run-make/native-link-modifier-verbatim-linker/Makefile +++ b/tests/run-make/native-link-modifier-verbatim-linker/Makefile @@ -1,5 +1,5 @@ # ignore-cross-compile -# ignore-macos +# ignore-apple include ../tools.mk diff --git a/tests/run-make/used-cdylib-macos/Makefile b/tests/run-make/used-cdylib-macos/Makefile index 38a4c31c7b3a..bdf914a1ca95 100644 --- a/tests/run-make/used-cdylib-macos/Makefile +++ b/tests/run-make/used-cdylib-macos/Makefile @@ -1,9 +1,9 @@ include ../tools.mk -# only-macos +# only-apple # # This checks that `#[used]` passes through to the linker on -# darwin. This is subject to change in the future, see +# Apple targets. This is subject to change in the future, see # https://github.com/rust-lang/rust/pull/93718 for discussion all: diff --git a/tests/run-pass-valgrind/exit-flushes.rs b/tests/run-pass-valgrind/exit-flushes.rs index fa9196a3eecb..c2072cf0bf83 100644 --- a/tests/run-pass-valgrind/exit-flushes.rs +++ b/tests/run-pass-valgrind/exit-flushes.rs @@ -1,6 +1,6 @@ //@ ignore-wasm32 no subprocess support //@ ignore-sgx no processes -//@ ignore-macos this needs valgrind 3.11 or higher; see +//@ ignore-apple this needs valgrind 3.11 or higher; see // https://github.com/rust-lang/rust/pull/30365#issuecomment-165763679 use std::env; @@ -11,8 +11,7 @@ fn main() { print!("hello!"); exit(0); } else { - let out = Command::new(env::args().next().unwrap()).arg("foo") - .output().unwrap(); + let out = Command::new(env::args().next().unwrap()).arg("foo").output().unwrap(); assert!(out.status.success()); assert_eq!(String::from_utf8(out.stdout).unwrap(), "hello!"); assert_eq!(String::from_utf8(out.stderr).unwrap(), ""); diff --git a/tests/ui/backtrace/apple-no-dsymutil.rs b/tests/ui/backtrace/apple-no-dsymutil.rs index 9924cd13b0a7..e5aeced25ca3 100644 --- a/tests/ui/backtrace/apple-no-dsymutil.rs +++ b/tests/ui/backtrace/apple-no-dsymutil.rs @@ -2,7 +2,7 @@ //@ compile-flags:-Cstrip=none //@ compile-flags:-g -Csplit-debuginfo=unpacked -//@ only-macos +//@ only-apple use std::process::Command; use std::str; diff --git a/tests/ui/deployment-target/macos-target.rs b/tests/ui/deployment-target/macos-target.rs index be2c32e28141..197edd024746 100644 --- a/tests/ui/deployment-target/macos-target.rs +++ b/tests/ui/deployment-target/macos-target.rs @@ -1,4 +1,4 @@ -//@ only-macos +//@ only-apple //@ compile-flags: --print deployment-target //@ normalize-stdout-test: "\d+\." -> "$$CURRENT_MAJOR_VERSION." //@ normalize-stdout-test: "\d+" -> "$$CURRENT_MINOR_VERSION" diff --git a/tests/ui/intrinsics/intrinsic-alignment.rs b/tests/ui/intrinsics/intrinsic-alignment.rs index 4856da553a80..138273aadd2f 100644 --- a/tests/ui/intrinsics/intrinsic-alignment.rs +++ b/tests/ui/intrinsics/intrinsic-alignment.rs @@ -10,20 +10,21 @@ mod rusti { } } -#[cfg(any(target_os = "android", - target_os = "dragonfly", - target_os = "emscripten", - target_os = "freebsd", - target_os = "fuchsia", - target_os = "hurd", - target_os = "illumos", - target_os = "linux", - target_os = "macos", - target_os = "netbsd", - target_os = "openbsd", - target_os = "solaris", - target_os = "vxworks", - target_os = "nto", +#[cfg(any( + target_os = "android", + target_os = "dragonfly", + target_os = "emscripten", + target_os = "freebsd", + target_os = "fuchsia", + target_os = "hurd", + target_os = "illumos", + target_os = "linux", + target_os = "netbsd", + target_os = "openbsd", + target_os = "solaris", + target_os = "vxworks", + target_os = "nto", + target_vendor = "apple", ))] mod m { #[cfg(target_arch = "x86")] diff --git a/tests/ui/issues/issue-45731.rs b/tests/ui/issues/issue-45731.rs index 8e483d08cb51..49335362dd0f 100644 --- a/tests/ui/issues/issue-45731.rs +++ b/tests/ui/issues/issue-45731.rs @@ -2,10 +2,10 @@ #![allow(unused_variables)] //@ compile-flags:--test -g -#[cfg(target_os = "macos")] +#[cfg(target_vendor = "apple")] #[test] fn simple_test() { - use std::{env, panic, fs}; + use std::{env, fs, panic}; // Find our dSYM and replace the DWARF binary with an empty file let mut dsym_path = env::current_exe().unwrap(); @@ -13,8 +13,13 @@ fn simple_test() { assert!(dsym_path.pop()); // Pop executable dsym_path.push(format!("{}.dSYM/Contents/Resources/DWARF/{0}", executable_name)); { - let file = fs::OpenOptions::new().read(false).write(true).truncate(true).create(false) - .open(&dsym_path).unwrap(); + let file = fs::OpenOptions::new() + .read(false) + .write(true) + .truncate(true) + .create(false) + .open(&dsym_path) + .unwrap(); } env::set_var("RUST_BACKTRACE", "1"); diff --git a/tests/ui/link-section.rs b/tests/ui/link-section.rs index 9299b4d08b23..1a791b88ef95 100644 --- a/tests/ui/link-section.rs +++ b/tests/ui/link-section.rs @@ -1,32 +1,32 @@ //@ run-pass #![allow(non_upper_case_globals)] -#[cfg(not(target_os = "macos"))] -#[link_section=".moretext"] +#[cfg(not(target_vendor = "apple"))] +#[link_section = ".moretext"] fn i_live_in_more_text() -> &'static str { "knock knock" } -#[cfg(not(target_os = "macos"))] -#[link_section=".imm"] +#[cfg(not(target_vendor = "apple"))] +#[link_section = ".imm"] static magic: usize = 42; -#[cfg(not(target_os = "macos"))] -#[link_section=".mut"] +#[cfg(not(target_vendor = "apple"))] +#[link_section = ".mut"] static mut frobulator: usize = 0xdeadbeef; -#[cfg(target_os = "macos")] -#[link_section="__TEXT,__moretext"] +#[cfg(target_vendor = "apple")] +#[link_section = "__TEXT,__moretext"] fn i_live_in_more_text() -> &'static str { "knock knock" } -#[cfg(target_os = "macos")] -#[link_section="__RODATA,__imm"] +#[cfg(target_vendor = "apple")] +#[link_section = "__RODATA,__imm"] static magic: usize = 42; -#[cfg(target_os = "macos")] -#[link_section="__DATA,__mut"] +#[cfg(target_vendor = "apple")] +#[link_section = "__DATA,__mut"] static mut frobulator: usize = 0xdeadbeef; pub fn main() { diff --git a/tests/ui/linkage-attr/framework.rs b/tests/ui/linkage-attr/framework.rs index 824adf62206d..08f4394db21f 100644 --- a/tests/ui/linkage-attr/framework.rs +++ b/tests/ui/linkage-attr/framework.rs @@ -1,5 +1,5 @@ // Check that linking frameworks on Apple platforms works. -//@ only-macos +//@ only-apple //@ revisions: omit link weak both //@ [omit]build-fail //@ [link]run-pass diff --git a/tests/ui/osx-frameworks.rs b/tests/ui/linkage-attr/kind-framework.rs similarity index 58% rename from tests/ui/osx-frameworks.rs rename to tests/ui/linkage-attr/kind-framework.rs index b0d7a3a9c07a..c2f90809e03a 100644 --- a/tests/ui/osx-frameworks.rs +++ b/tests/ui/linkage-attr/kind-framework.rs @@ -1,4 +1,4 @@ -//@ ignore-macos this is supposed to succeed on osx +//@ ignore-apple this is supposed to succeed on Apple platforms (though it won't necessarily link) #[link(name = "foo", kind = "framework")] extern "C" {} diff --git a/tests/ui/osx-frameworks.stderr b/tests/ui/linkage-attr/kind-framework.stderr similarity index 89% rename from tests/ui/osx-frameworks.stderr rename to tests/ui/linkage-attr/kind-framework.stderr index 8582b8123bfe..93dacd68e294 100644 --- a/tests/ui/osx-frameworks.stderr +++ b/tests/ui/linkage-attr/kind-framework.stderr @@ -1,5 +1,5 @@ error[E0455]: link kind `framework` is only supported on Apple targets - --> $DIR/osx-frameworks.rs:3:29 + --> $DIR/kind-framework.rs:3:29 | LL | #[link(name = "foo", kind = "framework")] | ^^^^^^^^^^^ diff --git a/tests/ui/issues/issue-33992.rs b/tests/ui/linkage-attr/linkage-attr-does-not-panic-llvm-issue-33992.rs similarity index 96% rename from tests/ui/issues/issue-33992.rs rename to tests/ui/linkage-attr/linkage-attr-does-not-panic-llvm-issue-33992.rs index 495751436e12..a169997927eb 100644 --- a/tests/ui/issues/issue-33992.rs +++ b/tests/ui/linkage-attr/linkage-attr-does-not-panic-llvm-issue-33992.rs @@ -1,6 +1,6 @@ //@ run-pass //@ ignore-windows -//@ ignore-macos +//@ ignore-apple //@ ignore-wasm32 common linkage not implemented right now #![feature(linkage)] diff --git a/tests/ui/linkage-attr/linkage1.rs b/tests/ui/linkage-attr/linkage1.rs index 2edb80bf1b02..19bf601d9d20 100644 --- a/tests/ui/linkage-attr/linkage1.rs +++ b/tests/ui/linkage-attr/linkage1.rs @@ -1,6 +1,6 @@ //@ run-pass //@ ignore-windows -//@ ignore-macos +//@ ignore-apple //@ ignore-emscripten doesn't support this linkage //@ ignore-sgx weak linkage not permitted //@ aux-build:linkage1.rs diff --git a/tests/ui/issues/issue-18804/auxiliary/lib.rs b/tests/ui/linkage-attr/propagate-generic-issue-18804/auxiliary/lib.rs similarity index 100% rename from tests/ui/issues/issue-18804/auxiliary/lib.rs rename to tests/ui/linkage-attr/propagate-generic-issue-18804/auxiliary/lib.rs diff --git a/tests/ui/issues/issue-18804/main.rs b/tests/ui/linkage-attr/propagate-generic-issue-18804/main.rs similarity index 91% rename from tests/ui/issues/issue-18804/main.rs rename to tests/ui/linkage-attr/propagate-generic-issue-18804/main.rs index d83fe697470b..56a9358cce3c 100644 --- a/tests/ui/issues/issue-18804/main.rs +++ b/tests/ui/linkage-attr/propagate-generic-issue-18804/main.rs @@ -4,7 +4,7 @@ //@ ignore-emscripten no weak symbol support //@ ignore-windows no extern_weak linkage -//@ ignore-macos no extern_weak linkage +//@ ignore-apple no extern_weak linkage //@ aux-build:lib.rs diff --git a/tests/ui/manual/manual-link-framework.rs b/tests/ui/manual/manual-link-framework.rs index 06fd76f68df1..43cdda0a4e6a 100644 --- a/tests/ui/manual/manual-link-framework.rs +++ b/tests/ui/manual/manual-link-framework.rs @@ -1,7 +1,5 @@ -//@ ignore-macos -//@ ignore-ios +//@ ignore-apple //@ compile-flags:-l framework=foo //@ error-pattern: library kind `framework` is only supported on Apple targets -fn main() { -} +fn main() {} diff --git a/tests/ui/structs-enums/enum-rec/issue-17431-6.rs b/tests/ui/structs-enums/enum-rec/issue-17431-6.rs index d8343704f12b..0183bdba1119 100644 --- a/tests/ui/structs-enums/enum-rec/issue-17431-6.rs +++ b/tests/ui/structs-enums/enum-rec/issue-17431-6.rs @@ -1,4 +1,4 @@ -//@ ignore-macos: cycle error does not appear on apple +//@ ignore-apple: cycle error does not appear on apple use std::sync::Mutex; diff --git a/tests/ui/structs-enums/rec-align-u64.rs b/tests/ui/structs-enums/rec-align-u64.rs index 72601bb16fff..8ea72fdf45c8 100644 --- a/tests/ui/structs-enums/rec-align-u64.rs +++ b/tests/ui/structs-enums/rec-align-u64.rs @@ -30,21 +30,21 @@ struct Outer { t: Inner } - -#[cfg(any(target_os = "android", - target_os = "dragonfly", - target_os = "emscripten", - target_os = "freebsd", - target_os = "fuchsia", - target_os = "hurd", - target_os = "illumos", - target_os = "linux", - target_os = "macos", - target_os = "netbsd", - target_os = "openbsd", - target_os = "solaris", - target_os = "vxworks", - target_os = "nto", +#[cfg(any( + target_os = "android", + target_os = "dragonfly", + target_os = "emscripten", + target_os = "freebsd", + target_os = "fuchsia", + target_os = "hurd", + target_os = "illumos", + target_os = "linux", + target_os = "netbsd", + target_os = "openbsd", + target_os = "solaris", + target_os = "vxworks", + target_os = "nto", + target_vendor = "apple", ))] mod m { #[cfg(target_arch = "x86")] From 077a8219b07b72d8cd0485ffba32e7147e7f7f7d Mon Sep 17 00:00:00 2001 From: Amanda Stjerna Date: Tue, 28 May 2024 12:57:26 +0200 Subject: [PATCH 0652/1716] Fix back-porting drop-livess from Polonius to tracing --- .../src/type_check/liveness/polonius.rs | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/compiler/rustc_borrowck/src/type_check/liveness/polonius.rs b/compiler/rustc_borrowck/src/type_check/liveness/polonius.rs index ccfa9f12ef45..808df1d66cb1 100644 --- a/compiler/rustc_borrowck/src/type_check/liveness/polonius.rs +++ b/compiler/rustc_borrowck/src/type_check/liveness/polonius.rs @@ -14,7 +14,7 @@ struct UseFactsExtractor<'me, 'tcx> { var_defined_at: &'me mut VarPointRelation, var_used_at: &'me mut VarPointRelation, location_table: &'me LocationTable, - var_dropped_at: &'me mut VarPointRelation, + var_dropped_at: &'me mut Vec<(Local, Location)>, move_data: &'me MoveData<'tcx>, path_accessed_at_base: &'me mut PathPointRelation, } @@ -37,7 +37,7 @@ impl<'tcx> UseFactsExtractor<'_, 'tcx> { fn insert_drop_use(&mut self, local: Local, location: Location) { debug!("UseFactsExtractor::insert_drop_use()"); - self.var_dropped_at.push((local, self.location_to_index(location))); + self.var_dropped_at.push((local, location)); } fn insert_path_access(&mut self, path: MovePathIndex, location: Location) { @@ -87,8 +87,12 @@ pub(super) fn populate_access_facts<'a, 'tcx>( body: &Body<'tcx>, location_table: &LocationTable, move_data: &MoveData<'tcx>, - //FIXME: this is not mutated, but expected to be modified as - // out param, bug? + // FIXME: this is an inelegant way of squirreling away a + // copy of `var_dropped_at` in the original `Location` format + // for later use in `trace::trace()`, which updates some liveness- + // internal data based on what Polonius saw. + // Ideally, that part would access the Polonius facts directly, and this + // would be regular facts gathering. dropped_at: &mut Vec<(Local, Location)>, ) { debug!("populate_access_facts()"); @@ -97,7 +101,7 @@ pub(super) fn populate_access_facts<'a, 'tcx>( let mut extractor = UseFactsExtractor { var_defined_at: &mut facts.var_defined_at, var_used_at: &mut facts.var_used_at, - var_dropped_at: &mut facts.var_dropped_at, + var_dropped_at: dropped_at, path_accessed_at_base: &mut facts.path_accessed_at_base, location_table, move_data, From be94ca0bcdff9b55a4f15f66f6538e6b3e1b6793 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Fri, 26 Apr 2024 14:40:34 +0000 Subject: [PATCH 0653/1716] Remove a CTFE check that was only ever used to ICE The guarded call will ICE on its own. While this improved diagnostics in the presence of bugs somewhat, it is also a blocker to query feeding of constants. If this case is hit again, we should instead improve diagnostics of the root ICE --- .../rustc_const_eval/src/const_eval/machine.rs | 14 +------------- 1 file changed, 1 insertion(+), 13 deletions(-) diff --git a/compiler/rustc_const_eval/src/const_eval/machine.rs b/compiler/rustc_const_eval/src/const_eval/machine.rs index 950e7c12da2e..d13ba4a2b95b 100644 --- a/compiler/rustc_const_eval/src/const_eval/machine.rs +++ b/compiler/rustc_const_eval/src/const_eval/machine.rs @@ -6,7 +6,6 @@ use std::ops::ControlFlow; use rustc_ast::Mutability; use rustc_data_structures::fx::FxIndexMap; use rustc_data_structures::fx::IndexEntry; -use rustc_hir::def::DefKind; use rustc_hir::def_id::DefId; use rustc_hir::def_id::LocalDefId; use rustc_hir::LangItem; @@ -392,18 +391,7 @@ impl<'tcx> interpret::Machine<'tcx> for CompileTimeInterpreter<'tcx> { instance: ty::InstanceDef<'tcx>, ) -> InterpResult<'tcx, &'tcx mir::Body<'tcx>> { match instance { - ty::InstanceDef::Item(def) => { - if ecx.tcx.is_ctfe_mir_available(def) { - Ok(ecx.tcx.mir_for_ctfe(def)) - } else if ecx.tcx.def_kind(def) == DefKind::AssocConst { - ecx.tcx.dcx().bug("This is likely a const item that is missing from its impl"); - } else { - // `find_mir_or_eval_fn` checks that this is a const fn before even calling us, - // so this should be unreachable. - let path = ecx.tcx.def_path_str(def); - bug!("trying to call extern function `{path}` at compile-time"); - } - } + ty::InstanceDef::Item(def) => Ok(ecx.tcx.mir_for_ctfe(def)), _ => Ok(ecx.tcx.instance_mir(instance)), } } From 53e3c3271f313df7e137589f3984772b0db4f031 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Fri, 24 May 2024 09:32:20 +0000 Subject: [PATCH 0654/1716] Make body-visiting logic reusable --- .../rustc_hir_analysis/src/check/region.rs | 112 +++++++++--------- 1 file changed, 59 insertions(+), 53 deletions(-) diff --git a/compiler/rustc_hir_analysis/src/check/region.rs b/compiler/rustc_hir_analysis/src/check/region.rs index e51f95eed021..687f0f09a0b4 100644 --- a/compiler/rustc_hir_analysis/src/check/region.rs +++ b/compiler/rustc_hir_analysis/src/check/region.rs @@ -782,6 +782,32 @@ impl<'tcx> RegionResolutionVisitor<'tcx> { } self.enter_scope(Scope { id, data: ScopeData::Node }); } + + fn enter_body(&mut self, hir_id: hir::HirId, f: impl FnOnce(&mut Self)) { + // Save all state that is specific to the outer function + // body. These will be restored once down below, once we've + // visited the body. + let outer_ec = mem::replace(&mut self.expr_and_pat_count, 0); + let outer_cx = self.cx; + let outer_ts = mem::take(&mut self.terminating_scopes); + // The 'pessimistic yield' flag is set to true when we are + // processing a `+=` statement and have to make pessimistic + // control flow assumptions. This doesn't apply to nested + // bodies within the `+=` statements. See #69307. + let outer_pessimistic_yield = mem::replace(&mut self.pessimistic_yield, false); + self.terminating_scopes.insert(hir_id.local_id); + + self.enter_scope(Scope { id: hir_id.local_id, data: ScopeData::CallSite }); + self.enter_scope(Scope { id: hir_id.local_id, data: ScopeData::Arguments }); + + f(self); + + // Restore context we had at the start. + self.expr_and_pat_count = outer_ec; + self.cx = outer_cx; + self.terminating_scopes = outer_ts; + self.pessimistic_yield = outer_pessimistic_yield; + } } impl<'tcx> Visitor<'tcx> for RegionResolutionVisitor<'tcx> { @@ -801,60 +827,40 @@ impl<'tcx> Visitor<'tcx> for RegionResolutionVisitor<'tcx> { self.cx.parent ); - // Save all state that is specific to the outer function - // body. These will be restored once down below, once we've - // visited the body. - let outer_ec = mem::replace(&mut self.expr_and_pat_count, 0); - let outer_cx = self.cx; - let outer_ts = mem::take(&mut self.terminating_scopes); - // The 'pessimistic yield' flag is set to true when we are - // processing a `+=` statement and have to make pessimistic - // control flow assumptions. This doesn't apply to nested - // bodies within the `+=` statements. See #69307. - let outer_pessimistic_yield = mem::replace(&mut self.pessimistic_yield, false); - self.terminating_scopes.insert(body.value.hir_id.local_id); + self.enter_body(body.value.hir_id, |this| { + if this.tcx.hir().body_owner_kind(owner_id).is_fn_or_closure() { + // The arguments and `self` are parented to the fn. + this.cx.var_parent = this.cx.parent.take(); + for param in body.params { + this.visit_pat(param.pat); + } - self.enter_scope(Scope { id: body.value.hir_id.local_id, data: ScopeData::CallSite }); - self.enter_scope(Scope { id: body.value.hir_id.local_id, data: ScopeData::Arguments }); - - // The arguments and `self` are parented to the fn. - self.cx.var_parent = self.cx.parent.take(); - for param in body.params { - self.visit_pat(param.pat); - } - - // The body of the every fn is a root scope. - self.cx.parent = self.cx.var_parent; - if self.tcx.hir().body_owner_kind(owner_id).is_fn_or_closure() { - self.visit_expr(body.value) - } else { - // Only functions have an outer terminating (drop) scope, while - // temporaries in constant initializers may be 'static, but only - // according to rvalue lifetime semantics, using the same - // syntactical rules used for let initializers. - // - // e.g., in `let x = &f();`, the temporary holding the result from - // the `f()` call lives for the entirety of the surrounding block. - // - // Similarly, `const X: ... = &f();` would have the result of `f()` - // live for `'static`, implying (if Drop restrictions on constants - // ever get lifted) that the value *could* have a destructor, but - // it'd get leaked instead of the destructor running during the - // evaluation of `X` (if at all allowed by CTFE). - // - // However, `const Y: ... = g(&f());`, like `let y = g(&f());`, - // would *not* let the `f()` temporary escape into an outer scope - // (i.e., `'static`), which means that after `g` returns, it drops, - // and all the associated destruction scope rules apply. - self.cx.var_parent = None; - resolve_local(self, None, Some(body.value)); - } - - // Restore context we had at the start. - self.expr_and_pat_count = outer_ec; - self.cx = outer_cx; - self.terminating_scopes = outer_ts; - self.pessimistic_yield = outer_pessimistic_yield; + // The body of the every fn is a root scope. + this.cx.parent = this.cx.var_parent; + this.visit_expr(body.value) + } else { + // Only functions have an outer terminating (drop) scope, while + // temporaries in constant initializers may be 'static, but only + // according to rvalue lifetime semantics, using the same + // syntactical rules used for let initializers. + // + // e.g., in `let x = &f();`, the temporary holding the result from + // the `f()` call lives for the entirety of the surrounding block. + // + // Similarly, `const X: ... = &f();` would have the result of `f()` + // live for `'static`, implying (if Drop restrictions on constants + // ever get lifted) that the value *could* have a destructor, but + // it'd get leaked instead of the destructor running during the + // evaluation of `X` (if at all allowed by CTFE). + // + // However, `const Y: ... = g(&f());`, like `let y = g(&f());`, + // would *not* let the `f()` temporary escape into an outer scope + // (i.e., `'static`), which means that after `g` returns, it drops, + // and all the associated destruction scope rules apply. + this.cx.var_parent = None; + resolve_local(this, None, Some(body.value)); + } + }) } fn visit_arm(&mut self, a: &'tcx Arm<'tcx>) { From e5cba17b84bf7bf755686e8bb36aa3775ef53f77 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Fri, 24 May 2024 09:37:57 +0000 Subject: [PATCH 0655/1716] Use the HIR instead of mir_keys for determining whether something will have a MIR body. --- compiler/rustc_mir_transform/src/lib.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs index e4670633914e..9d88f8bf9bec 100644 --- a/compiler/rustc_mir_transform/src/lib.rs +++ b/compiler/rustc_mir_transform/src/lib.rs @@ -211,7 +211,7 @@ fn remap_mir_for_const_eval_select<'tcx>( } fn is_mir_available(tcx: TyCtxt<'_>, def_id: LocalDefId) -> bool { - tcx.mir_keys(()).contains(&def_id) + tcx.hir().maybe_body_owned_by(def_id).is_some() } /// Finds the full set of `DefId`s within the current crate that have From a04ac26a9d059809bee2daf778a9d92770963a81 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Tue, 28 May 2024 11:38:30 +0000 Subject: [PATCH 0656/1716] Allow type_of to return partially non-error types if the type was already tainted --- .../rustc_hir_analysis/src/collect/type_of.rs | 4 +- .../associated-inherent-types/issue-109071.rs | 2 +- .../issue-109071.with_gate.stderr | 17 +----- .../issues/issue-71381.full.stderr | 2 +- .../issues/issue-71381.min.stderr | 20 ++++++- tests/ui/const-generics/issues/issue-71381.rs | 2 + .../issues/issue-71611.min.stderr | 10 +++- tests/ui/const-generics/issues/issue-71611.rs | 1 + .../ice-type-mismatch-when-copying-112824.rs | 1 + ...e-type-mismatch-when-copying-112824.stderr | 8 ++- .../generic-associated-types/issue-71176.rs | 3 + .../issue-71176.stderr | 55 ++++++++++++++++++- tests/ui/layout/issue-84108.rs | 3 + tests/ui/layout/issue-84108.stderr | 36 ++++++++++-- .../ui/lifetimes/unusual-rib-combinations.rs | 6 +- .../lifetimes/unusual-rib-combinations.stderr | 37 +++++++------ .../issues/issue-103748-ICE-wrong-braces.rs | 1 + .../issue-103748-ICE-wrong-braces.stderr | 17 +++++- 18 files changed, 174 insertions(+), 51 deletions(-) diff --git a/compiler/rustc_hir_analysis/src/collect/type_of.rs b/compiler/rustc_hir_analysis/src/collect/type_of.rs index ed942cc50bb4..bc57b234555d 100644 --- a/compiler/rustc_hir_analysis/src/collect/type_of.rs +++ b/compiler/rustc_hir_analysis/src/collect/type_of.rs @@ -502,7 +502,9 @@ pub(super) fn type_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::EarlyBinder<'_ bug!("unexpected sort of node in type_of(): {:?}", x); } }; - if let Err(e) = icx.check_tainted_by_errors() { + if let Err(e) = icx.check_tainted_by_errors() + && !output.references_error() + { ty::EarlyBinder::bind(Ty::new_error(tcx, e)) } else { ty::EarlyBinder::bind(output) diff --git a/tests/ui/associated-inherent-types/issue-109071.rs b/tests/ui/associated-inherent-types/issue-109071.rs index 29eef081a327..97803ae7191e 100644 --- a/tests/ui/associated-inherent-types/issue-109071.rs +++ b/tests/ui/associated-inherent-types/issue-109071.rs @@ -13,7 +13,7 @@ impl Windows { //~ ERROR: missing generics for struct `Windows` impl Windows { fn T() -> Option {} - //~^ ERROR: ambiguous associated type + //[no_gate]~^ ERROR: ambiguous associated type } fn main() {} diff --git a/tests/ui/associated-inherent-types/issue-109071.with_gate.stderr b/tests/ui/associated-inherent-types/issue-109071.with_gate.stderr index a7d17e2d5ebb..1324cb9bb9b5 100644 --- a/tests/ui/associated-inherent-types/issue-109071.with_gate.stderr +++ b/tests/ui/associated-inherent-types/issue-109071.with_gate.stderr @@ -20,20 +20,7 @@ help: add missing generic argument LL | impl Windows { | +++ -error[E0223]: ambiguous associated type - --> $DIR/issue-109071.rs:15:22 - | -LL | fn T() -> Option {} - | ^^^^^^^^^^ - | -help: use fully-qualified syntax - | -LL | fn T() -> Option< as IntoAsyncIterator>::Item> {} - | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -LL | fn T() -> Option< as IntoIterator>::Item> {} - | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +error: aborting due to 2 previous errors -error: aborting due to 3 previous errors - -Some errors have detailed explanations: E0107, E0223, E0637. +Some errors have detailed explanations: E0107, E0637. For more information about an error, try `rustc --explain E0107`. diff --git a/tests/ui/const-generics/issues/issue-71381.full.stderr b/tests/ui/const-generics/issues/issue-71381.full.stderr index 5d7800746961..b6460e0017fa 100644 --- a/tests/ui/const-generics/issues/issue-71381.full.stderr +++ b/tests/ui/const-generics/issues/issue-71381.full.stderr @@ -7,7 +7,7 @@ LL | pub fn call_me $DIR/issue-71381.rs:22:40 + --> $DIR/issue-71381.rs:23:40 | LL | const FN: unsafe extern "C" fn(Args), | ^^^^ the type must not depend on the parameter `Args` diff --git a/tests/ui/const-generics/issues/issue-71381.min.stderr b/tests/ui/const-generics/issues/issue-71381.min.stderr index 5d7800746961..e16d3b7a8a46 100644 --- a/tests/ui/const-generics/issues/issue-71381.min.stderr +++ b/tests/ui/const-generics/issues/issue-71381.min.stderr @@ -7,13 +7,29 @@ LL | pub fn call_me $DIR/issue-71381.rs:22:40 + --> $DIR/issue-71381.rs:23:40 | LL | const FN: unsafe extern "C" fn(Args), | ^^^^ the type must not depend on the parameter `Args` | = note: type parameters may not be used in the type of const parameters -error: aborting due to 2 previous errors +error: using function pointers as const generic parameters is forbidden + --> $DIR/issue-71381.rs:14:61 + | +LL | pub fn call_me(&self) { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: the only supported types are integers, `bool` and `char` + +error: using function pointers as const generic parameters is forbidden + --> $DIR/issue-71381.rs:23:19 + | +LL | const FN: unsafe extern "C" fn(Args), + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: the only supported types are integers, `bool` and `char` + +error: aborting due to 4 previous errors For more information about this error, try `rustc --explain E0770`. diff --git a/tests/ui/const-generics/issues/issue-71381.rs b/tests/ui/const-generics/issues/issue-71381.rs index 7f2e14944e29..e472ef31fcdd 100644 --- a/tests/ui/const-generics/issues/issue-71381.rs +++ b/tests/ui/const-generics/issues/issue-71381.rs @@ -13,6 +13,7 @@ unsafe extern "C" fn pass(args: PassArg) { impl Test { pub fn call_me(&self) { //~^ ERROR: the type of const parameters must not depend on other generic parameters + //[min]~^^ ERROR: using function pointers as const generic parameters is forbidden self.0 = Self::trampiline:: as _ } @@ -21,6 +22,7 @@ impl Test { const IDX: usize, const FN: unsafe extern "C" fn(Args), //~^ ERROR: the type of const parameters must not depend on other generic parameters + //[min]~^^ ERROR: using function pointers as const generic parameters is forbidden >( args: Args, ) { diff --git a/tests/ui/const-generics/issues/issue-71611.min.stderr b/tests/ui/const-generics/issues/issue-71611.min.stderr index 6f6a9fc21a69..b01936f4d251 100644 --- a/tests/ui/const-generics/issues/issue-71611.min.stderr +++ b/tests/ui/const-generics/issues/issue-71611.min.stderr @@ -6,6 +6,14 @@ LL | fn func(outer: A) { | = note: type parameters may not be used in the type of const parameters -error: aborting due to 1 previous error +error: using function pointers as const generic parameters is forbidden + --> $DIR/issue-71611.rs:5:21 + | +LL | fn func(outer: A) { + | ^^^^^^^^^^^^ + | + = note: the only supported types are integers, `bool` and `char` + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0770`. diff --git a/tests/ui/const-generics/issues/issue-71611.rs b/tests/ui/const-generics/issues/issue-71611.rs index 0e0c08146b2e..c6c1e267171f 100644 --- a/tests/ui/const-generics/issues/issue-71611.rs +++ b/tests/ui/const-generics/issues/issue-71611.rs @@ -4,6 +4,7 @@ fn func(outer: A) { //~^ ERROR: the type of const parameters must not depend on other generic parameters + //[min]~| ERROR: using function pointers as const generic parameters is forbidden F(outer); } diff --git a/tests/ui/const_prop/ice-type-mismatch-when-copying-112824.rs b/tests/ui/const_prop/ice-type-mismatch-when-copying-112824.rs index a41a159c1fd7..09f7e2ba5b1d 100644 --- a/tests/ui/const_prop/ice-type-mismatch-when-copying-112824.rs +++ b/tests/ui/const_prop/ice-type-mismatch-when-copying-112824.rs @@ -13,6 +13,7 @@ impl Opcode2 { pub fn example2(msg_type: Opcode2) -> impl FnMut(&[u8]) { move |i| match msg_type { Opcode2::OP2 => unimplemented!(), + //~^ ERROR: could not evaluate constant pattern } } diff --git a/tests/ui/const_prop/ice-type-mismatch-when-copying-112824.stderr b/tests/ui/const_prop/ice-type-mismatch-when-copying-112824.stderr index d95a8861230e..9442eac0cf54 100644 --- a/tests/ui/const_prop/ice-type-mismatch-when-copying-112824.stderr +++ b/tests/ui/const_prop/ice-type-mismatch-when-copying-112824.stderr @@ -17,7 +17,13 @@ help: you might be missing a type parameter LL | pub struct Opcode2(&'a S); | +++ -error: aborting due to 2 previous errors +error: could not evaluate constant pattern + --> $DIR/ice-type-mismatch-when-copying-112824.rs:15:9 + | +LL | Opcode2::OP2 => unimplemented!(), + | ^^^^^^^^^^^^ + +error: aborting due to 3 previous errors Some errors have detailed explanations: E0261, E0412. For more information about an error, try `rustc --explain E0261`. diff --git a/tests/ui/generic-associated-types/issue-71176.rs b/tests/ui/generic-associated-types/issue-71176.rs index f0e162d825f9..e58b6f6091e7 100644 --- a/tests/ui/generic-associated-types/issue-71176.rs +++ b/tests/ui/generic-associated-types/issue-71176.rs @@ -9,6 +9,9 @@ impl Provider for () { struct Holder { inner: Box>, //~^ ERROR: missing generics for associated type + //~| ERROR: missing generics for associated type + //~| ERROR: missing generics for associated type + //~| ERROR: the trait `Provider` cannot be made into an object } fn main() { diff --git a/tests/ui/generic-associated-types/issue-71176.stderr b/tests/ui/generic-associated-types/issue-71176.stderr index ed837f347533..a1913bb618bc 100644 --- a/tests/ui/generic-associated-types/issue-71176.stderr +++ b/tests/ui/generic-associated-types/issue-71176.stderr @@ -14,6 +14,57 @@ help: add missing lifetime argument LL | inner: Box = B>>, | ++++ -error: aborting due to 1 previous error +error[E0107]: missing generics for associated type `Provider::A` + --> $DIR/issue-71176.rs:10:27 + | +LL | inner: Box>, + | ^ expected 1 lifetime argument + | +note: associated type defined here, with 1 lifetime parameter: `'a` + --> $DIR/issue-71176.rs:2:10 + | +LL | type A<'a>; + | ^ -- + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` +help: add missing lifetime argument + | +LL | inner: Box = B>>, + | ++++ -For more information about this error, try `rustc --explain E0107`. +error[E0107]: missing generics for associated type `Provider::A` + --> $DIR/issue-71176.rs:10:27 + | +LL | inner: Box>, + | ^ expected 1 lifetime argument + | +note: associated type defined here, with 1 lifetime parameter: `'a` + --> $DIR/issue-71176.rs:2:10 + | +LL | type A<'a>; + | ^ -- + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` +help: add missing lifetime argument + | +LL | inner: Box = B>>, + | ++++ + +error[E0038]: the trait `Provider` cannot be made into an object + --> $DIR/issue-71176.rs:10:14 + | +LL | inner: Box>, + | ^^^^^^^^^^^^^^^^^^^ `Provider` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit + --> $DIR/issue-71176.rs:2:10 + | +LL | trait Provider { + | -------- this trait cannot be made into an object... +LL | type A<'a>; + | ^ ...because it contains the generic associated type `A` + = help: consider moving `A` to another trait + = help: only type `()` implements the trait, consider using it directly instead + +error: aborting due to 4 previous errors + +Some errors have detailed explanations: E0038, E0107. +For more information about an error, try `rustc --explain E0038`. diff --git a/tests/ui/layout/issue-84108.rs b/tests/ui/layout/issue-84108.rs index 425da65b9905..974d5310f6bb 100644 --- a/tests/ui/layout/issue-84108.rs +++ b/tests/ui/layout/issue-84108.rs @@ -8,6 +8,9 @@ static FOO: (dyn AsRef, u8) = ("hello", 42); const BAR: (&Path, [u8], usize) = ("hello", [], 42); //~^ ERROR cannot find type `Path` in this scope +//~| ERROR the size for values of type `[u8]` cannot be known at compilation time +//~| ERROR the size for values of type `[u8]` cannot be known at compilation time +//~| ERROR mismatched types static BAZ: ([u8], usize) = ([], 0); //~^ ERROR the size for values of type `[u8]` cannot be known at compilation time diff --git a/tests/ui/layout/issue-84108.stderr b/tests/ui/layout/issue-84108.stderr index 6c168cc5fa84..8ddce285e23f 100644 --- a/tests/ui/layout/issue-84108.stderr +++ b/tests/ui/layout/issue-84108.stderr @@ -21,7 +21,35 @@ LL + use std::path::Path; | error[E0277]: the size for values of type `[u8]` cannot be known at compilation time - --> $DIR/issue-84108.rs:12:13 + --> $DIR/issue-84108.rs:9:12 + | +LL | const BAR: (&Path, [u8], usize) = ("hello", [], 42); + | ^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time + | + = help: the trait `Sized` is not implemented for `[u8]` + = note: only the last element of a tuple may have a dynamically sized type + +error[E0277]: the size for values of type `[u8]` cannot be known at compilation time + --> $DIR/issue-84108.rs:9:12 + | +LL | const BAR: (&Path, [u8], usize) = ("hello", [], 42); + | ^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time + | + = help: the trait `Sized` is not implemented for `[u8]` + = note: only the last element of a tuple may have a dynamically sized type + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error[E0308]: mismatched types + --> $DIR/issue-84108.rs:9:45 + | +LL | const BAR: (&Path, [u8], usize) = ("hello", [], 42); + | ^^ expected `[u8]`, found `[_; 0]` + | + = note: expected slice `[u8]` + found array `[_; 0]` + +error[E0277]: the size for values of type `[u8]` cannot be known at compilation time + --> $DIR/issue-84108.rs:15:13 | LL | static BAZ: ([u8], usize) = ([], 0); | ^^^^^^^^^^^^^ doesn't have a size known at compile-time @@ -30,7 +58,7 @@ LL | static BAZ: ([u8], usize) = ([], 0); = note: only the last element of a tuple may have a dynamically sized type error[E0277]: the size for values of type `[u8]` cannot be known at compilation time - --> $DIR/issue-84108.rs:12:13 + --> $DIR/issue-84108.rs:15:13 | LL | static BAZ: ([u8], usize) = ([], 0); | ^^^^^^^^^^^^^ doesn't have a size known at compile-time @@ -40,7 +68,7 @@ LL | static BAZ: ([u8], usize) = ([], 0); = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` error[E0308]: mismatched types - --> $DIR/issue-84108.rs:12:30 + --> $DIR/issue-84108.rs:15:30 | LL | static BAZ: ([u8], usize) = ([], 0); | ^^ expected `[u8]`, found `[_; 0]` @@ -48,7 +76,7 @@ LL | static BAZ: ([u8], usize) = ([], 0); = note: expected slice `[u8]` found array `[_; 0]` -error: aborting due to 5 previous errors +error: aborting due to 8 previous errors Some errors have detailed explanations: E0277, E0308, E0412. For more information about an error, try `rustc --explain E0277`. diff --git a/tests/ui/lifetimes/unusual-rib-combinations.rs b/tests/ui/lifetimes/unusual-rib-combinations.rs index 3bc87b9d480b..0708a00d3715 100644 --- a/tests/ui/lifetimes/unusual-rib-combinations.rs +++ b/tests/ui/lifetimes/unusual-rib-combinations.rs @@ -2,9 +2,8 @@ struct S<'a>(&'a u8); fn foo() {} // Paren generic args in AnonConst -fn a() -> [u8; foo::()] { -//~^ ERROR parenthesized type parameters may only be used with a `Fn` trait -//~| ERROR mismatched types +fn a() -> [u8; foo()] { + //~^ ERROR mismatched types panic!() } @@ -26,5 +25,6 @@ fn d() {} trait Foo<'a> {} struct Bar Foo<'a>)>; //~^ ERROR the type of const parameters must not depend on other generic parameters +//~| ERROR `&dyn for<'a> Foo<'a>` is forbidden as the type of a const generic parameter fn main() {} diff --git a/tests/ui/lifetimes/unusual-rib-combinations.stderr b/tests/ui/lifetimes/unusual-rib-combinations.stderr index 2857fc72ea14..70f06b4be603 100644 --- a/tests/ui/lifetimes/unusual-rib-combinations.stderr +++ b/tests/ui/lifetimes/unusual-rib-combinations.stderr @@ -1,11 +1,11 @@ error[E0106]: missing lifetime specifier - --> $DIR/unusual-rib-combinations.rs:22:15 + --> $DIR/unusual-rib-combinations.rs:21:15 | LL | fn d() {} | ^ expected named lifetime parameter error[E0770]: the type of const parameters must not depend on other generic parameters - --> $DIR/unusual-rib-combinations.rs:27:22 + --> $DIR/unusual-rib-combinations.rs:26:22 | LL | struct Bar Foo<'a>)>; | ^^ the type must not depend on the parameter `'a` @@ -13,25 +13,19 @@ LL | struct Bar Foo<'a>)>; = note: lifetime parameters may not be used in the type of const parameters error[E0214]: parenthesized type parameters may only be used with a `Fn` trait - --> $DIR/unusual-rib-combinations.rs:5:16 - | -LL | fn a() -> [u8; foo::()] { - | ^^^^^^^ only `Fn` traits may use parentheses - -error[E0214]: parenthesized type parameters may only be used with a `Fn` trait - --> $DIR/unusual-rib-combinations.rs:12:15 + --> $DIR/unusual-rib-combinations.rs:11:15 | LL | fn b() {} | ^^^^ only `Fn` traits may use parentheses error[E0214]: parenthesized type parameters may only be used with a `Fn` trait - --> $DIR/unusual-rib-combinations.rs:16:10 + --> $DIR/unusual-rib-combinations.rs:15:10 | LL | fn c() {} | ^^^^ only `Fn` traits may use parentheses error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions - --> $DIR/unusual-rib-combinations.rs:16:6 + --> $DIR/unusual-rib-combinations.rs:15:6 | LL | fn c() {} | ^^^^^^^^ @@ -43,14 +37,11 @@ LL | fn c() {} error[E0308]: mismatched types --> $DIR/unusual-rib-combinations.rs:5:16 | -LL | fn a() -> [u8; foo::()] { - | ^^^^^^^ expected `usize`, found fn item - | - = note: expected type `usize` - found fn item `fn() {foo}` +LL | fn a() -> [u8; foo()] { + | ^^^^^ expected `usize`, found `()` error: `S<'_>` is forbidden as the type of a const generic parameter - --> $DIR/unusual-rib-combinations.rs:22:15 + --> $DIR/unusual-rib-combinations.rs:21:15 | LL | fn d() {} | ^ @@ -61,6 +52,18 @@ help: add `#![feature(adt_const_params)]` to the crate attributes to enable more LL + #![feature(adt_const_params)] | +error: `&dyn for<'a> Foo<'a>` is forbidden as the type of a const generic parameter + --> $DIR/unusual-rib-combinations.rs:26:21 + | +LL | struct Bar Foo<'a>)>; + | ^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: the only supported types are integers, `bool` and `char` +help: add `#![feature(adt_const_params)]` to the crate attributes to enable more complex and user defined types + | +LL + #![feature(adt_const_params)] + | + error: aborting due to 8 previous errors Some errors have detailed explanations: E0106, E0214, E0308, E0770. diff --git a/tests/ui/parser/issues/issue-103748-ICE-wrong-braces.rs b/tests/ui/parser/issues/issue-103748-ICE-wrong-braces.rs index f6aa39df27d8..1c28c0632fa8 100644 --- a/tests/ui/parser/issues/issue-103748-ICE-wrong-braces.rs +++ b/tests/ui/parser/issues/issue-103748-ICE-wrong-braces.rs @@ -5,3 +5,4 @@ struct Apple((Apple, Option(Banana ? Citron))); //~| ERROR expected one of `)` or `,`, found `Citron` //~| ERROR cannot find type `Citron` in this scope [E0412] //~| ERROR parenthesized type parameters may only be used with a `Fn` trait [E0214] +//~| ERROR `Apple` has infinite size diff --git a/tests/ui/parser/issues/issue-103748-ICE-wrong-braces.stderr b/tests/ui/parser/issues/issue-103748-ICE-wrong-braces.stderr index 71d2d7b79758..b0d8b03ae08c 100644 --- a/tests/ui/parser/issues/issue-103748-ICE-wrong-braces.stderr +++ b/tests/ui/parser/issues/issue-103748-ICE-wrong-braces.stderr @@ -34,7 +34,18 @@ help: use angle brackets instead LL | struct Apple((Apple, Option)); | ~ ~ -error: aborting due to 4 previous errors +error[E0072]: recursive type `Apple` has infinite size + --> $DIR/issue-103748-ICE-wrong-braces.rs:3:1 + | +LL | struct Apple((Apple, Option(Banana ? Citron))); + | ^^^^^^^^^^^^ ----- recursive without indirection + | +help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to break the cycle + | +LL | struct Apple((Box, Option(Banana ? Citron))); + | ++++ + -Some errors have detailed explanations: E0214, E0412. -For more information about an error, try `rustc --explain E0214`. +error: aborting due to 5 previous errors + +Some errors have detailed explanations: E0072, E0214, E0412. +For more information about an error, try `rustc --explain E0072`. From eb0ed28cedc2f5d96695d0ccd75ff831ec221a13 Mon Sep 17 00:00:00 2001 From: Tobias Bucher Date: Tue, 28 May 2024 15:31:26 +0200 Subject: [PATCH 0657/1716] Remove usage of `isize` in example `isize` is a rare integer type, replace it with a more common one. --- compiler/rustc_lint/src/builtin.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/compiler/rustc_lint/src/builtin.rs b/compiler/rustc_lint/src/builtin.rs index ba42eae34415..6fd416ef517f 100644 --- a/compiler/rustc_lint/src/builtin.rs +++ b/compiler/rustc_lint/src/builtin.rs @@ -142,7 +142,7 @@ declare_lint! { /// ```rust,compile_fail /// #![deny(box_pointers)] /// struct Foo { - /// x: Box, + /// x: Box, /// } /// ``` /// From ddc5f9b6c1f21da5d4596bf7980185a00984ac42 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Fri, 3 May 2024 09:22:55 +0000 Subject: [PATCH 0658/1716] Create const block DefIds in typeck instead of ast lowering --- compiler/rustc_ast/src/ast.rs | 2 +- compiler/rustc_ast/src/mut_visit.rs | 2 +- compiler/rustc_ast/src/visit.rs | 2 +- compiler/rustc_ast_lowering/src/expr.rs | 9 +----- compiler/rustc_ast_lowering/src/index.rs | 8 ----- .../rustc_ast_pretty/src/pprust/state/expr.rs | 5 +-- .../src/const_eval/fn_queries.rs | 2 +- compiler/rustc_hir/src/hir.rs | 14 +------- compiler/rustc_hir/src/intravisit.rs | 13 +------- .../rustc_hir_analysis/src/check/region.rs | 7 ++-- .../src/collect/generics_of.rs | 10 +++--- .../rustc_hir_analysis/src/collect/type_of.rs | 3 +- compiler/rustc_hir_analysis/src/lib.rs | 8 ++--- compiler/rustc_hir_pretty/src/lib.rs | 5 ++- compiler/rustc_hir_typeck/src/expr.rs | 21 +----------- .../src/fn_ctxt/suggestions.rs | 4 +++ compiler/rustc_hir_typeck/src/upvar.rs | 4 --- compiler/rustc_hir_typeck/src/writeback.rs | 13 ++++---- compiler/rustc_middle/src/hir/map/mod.rs | 21 ++++++------ .../rustc_middle/src/ty/typeck_results.rs | 5 +++ compiler/rustc_mir_build/src/build/mod.rs | 7 ++-- compiler/rustc_mir_build/src/thir/cx/expr.rs | 6 ++-- compiler/rustc_mir_build/src/thir/cx/mod.rs | 21 ++++++++++-- .../rustc_mir_build/src/thir/pattern/mod.rs | 8 ++--- compiler/rustc_mir_transform/src/lib.rs | 6 ++++ compiler/rustc_parse/src/parser/mod.rs | 13 +++----- compiler/rustc_passes/src/check_const.rs | 10 +++--- compiler/rustc_passes/src/dead.rs | 21 ++++++------ compiler/rustc_passes/src/liveness.rs | 8 ++++- compiler/rustc_passes/src/loops.rs | 7 ++-- compiler/rustc_resolve/src/def_collector.rs | 10 ------ compiler/rustc_resolve/src/late.rs | 3 -- src/tools/clippy/clippy_utils/src/consts.rs | 6 ++-- .../clippy/clippy_utils/src/hir_utils.rs | 4 +-- .../tests/ui/arithmetic_side_effects.stderr | 32 ++++++++++++++++--- .../custom/consts.consts.built.after.mir | 2 +- tests/pretty/stmt_expr_attributes.rs | 7 +--- tests/ui/lint/non-local-defs/consts.stderr | 19 ++++------- tests/ui/unpretty/expanded-exhaustive.stdout | 3 +- 39 files changed, 162 insertions(+), 189 deletions(-) diff --git a/compiler/rustc_ast/src/ast.rs b/compiler/rustc_ast/src/ast.rs index 1a166956075c..7e59b4492993 100644 --- a/compiler/rustc_ast/src/ast.rs +++ b/compiler/rustc_ast/src/ast.rs @@ -1393,7 +1393,7 @@ pub enum ExprKind { /// An array (e.g, `[a, b, c, d]`). Array(ThinVec>), /// Allow anonymous constants from an inline `const` block - ConstBlock(AnonConst), + ConstBlock(P), /// A function call /// /// The first field resolves to the function itself, diff --git a/compiler/rustc_ast/src/mut_visit.rs b/compiler/rustc_ast/src/mut_visit.rs index 566b20c490ef..ede0dd70b305 100644 --- a/compiler/rustc_ast/src/mut_visit.rs +++ b/compiler/rustc_ast/src/mut_visit.rs @@ -1411,7 +1411,7 @@ pub fn noop_visit_expr( match kind { ExprKind::Array(exprs) => visit_thin_exprs(exprs, vis), ExprKind::ConstBlock(anon_const) => { - vis.visit_anon_const(anon_const); + vis.visit_expr(anon_const); } ExprKind::Repeat(expr, count) => { vis.visit_expr(expr); diff --git a/compiler/rustc_ast/src/visit.rs b/compiler/rustc_ast/src/visit.rs index 93de42b55cc3..182aa6ed085c 100644 --- a/compiler/rustc_ast/src/visit.rs +++ b/compiler/rustc_ast/src/visit.rs @@ -951,7 +951,7 @@ pub fn walk_expr<'a, V: Visitor<'a>>(visitor: &mut V, expression: &'a Expr) -> V ExprKind::Array(subexpressions) => { walk_list!(visitor, visit_expr, subexpressions); } - ExprKind::ConstBlock(anon_const) => try_visit!(visitor.visit_anon_const(anon_const)), + ExprKind::ConstBlock(anon_const) => try_visit!(visitor.visit_expr(anon_const)), ExprKind::Repeat(element, count) => { try_visit!(visitor.visit_expr(element)); try_visit!(visitor.visit_anon_const(count)); diff --git a/compiler/rustc_ast_lowering/src/expr.rs b/compiler/rustc_ast_lowering/src/expr.rs index a55310909284..c0a424115aad 100644 --- a/compiler/rustc_ast_lowering/src/expr.rs +++ b/compiler/rustc_ast_lowering/src/expr.rs @@ -74,14 +74,7 @@ impl<'hir> LoweringContext<'_, 'hir> { let kind = match &e.kind { ExprKind::Array(exprs) => hir::ExprKind::Array(self.lower_exprs(exprs)), - ExprKind::ConstBlock(c) => { - let c = self.with_new_scopes(c.value.span, |this| hir::ConstBlock { - def_id: this.local_def_id(c.id), - hir_id: this.lower_node_id(c.id), - body: this.lower_const_body(c.value.span, Some(&c.value)), - }); - hir::ExprKind::ConstBlock(c) - } + ExprKind::ConstBlock(c) => hir::ExprKind::ConstBlock(self.lower_expr(c)), ExprKind::Repeat(expr, count) => { let expr = self.lower_expr(expr); let count = self.lower_array_length(count); diff --git a/compiler/rustc_ast_lowering/src/index.rs b/compiler/rustc_ast_lowering/src/index.rs index 7254be2b2f42..ed3046400f60 100644 --- a/compiler/rustc_ast_lowering/src/index.rs +++ b/compiler/rustc_ast_lowering/src/index.rs @@ -236,14 +236,6 @@ impl<'a, 'hir> Visitor<'hir> for NodeCollector<'a, 'hir> { }); } - fn visit_inline_const(&mut self, constant: &'hir ConstBlock) { - self.insert(DUMMY_SP, constant.hir_id, Node::ConstBlock(constant)); - - self.with_parent(constant.hir_id, |this| { - intravisit::walk_inline_const(this, constant); - }); - } - fn visit_expr(&mut self, expr: &'hir Expr<'hir>) { self.insert(expr.span, expr.hir_id, Node::Expr(expr)); diff --git a/compiler/rustc_ast_pretty/src/pprust/state/expr.rs b/compiler/rustc_ast_pretty/src/pprust/state/expr.rs index 1e117c46b6e2..993ccc5b9560 100644 --- a/compiler/rustc_ast_pretty/src/pprust/state/expr.rs +++ b/compiler/rustc_ast_pretty/src/pprust/state/expr.rs @@ -380,8 +380,9 @@ impl<'a> State<'a> { ast::ExprKind::Array(exprs) => { self.print_expr_vec(exprs); } - ast::ExprKind::ConstBlock(anon_const) => { - self.print_expr_anon_const(anon_const, attrs); + ast::ExprKind::ConstBlock(expr) => { + self.word_space("const"); + self.print_expr(expr, FixupContext::default()); } ast::ExprKind::Repeat(element, count) => { self.print_expr_repeat(element, count); diff --git a/compiler/rustc_const_eval/src/const_eval/fn_queries.rs b/compiler/rustc_const_eval/src/const_eval/fn_queries.rs index 8c66888d1007..3c11d67e7489 100644 --- a/compiler/rustc_const_eval/src/const_eval/fn_queries.rs +++ b/compiler/rustc_const_eval/src/const_eval/fn_queries.rs @@ -38,7 +38,6 @@ fn constness(tcx: TyCtxt<'_>, def_id: LocalDefId) -> hir::Constness { match node { hir::Node::Ctor(_) | hir::Node::AnonConst(_) - | hir::Node::ConstBlock(_) | hir::Node::ImplItem(hir::ImplItem { kind: hir::ImplItemKind::Const(..), .. }) => { hir::Constness::Const } @@ -57,6 +56,7 @@ fn constness(tcx: TyCtxt<'_>, def_id: LocalDefId) -> hir::Constness { if is_const { hir::Constness::Const } else { hir::Constness::NotConst } } hir::Node::Expr(e) if let hir::ExprKind::Closure(c) = e.kind => c.constness, + hir::Node::Expr(e) if let hir::ExprKind::ConstBlock(_) = e.kind => hir::Constness::Const, _ => { if let Some(fn_kind) = node.fn_kind() { if fn_kind.constness() == hir::Constness::Const { diff --git a/compiler/rustc_hir/src/hir.rs b/compiler/rustc_hir/src/hir.rs index 2f4dcdbdf2b1..a517e67e5d5a 100644 --- a/compiler/rustc_hir/src/hir.rs +++ b/compiler/rustc_hir/src/hir.rs @@ -1592,14 +1592,6 @@ pub struct AnonConst { pub span: Span, } -/// An inline constant expression `const { something }`. -#[derive(Copy, Clone, Debug, HashStable_Generic)] -pub struct ConstBlock { - pub hir_id: HirId, - pub def_id: LocalDefId, - pub body: BodyId, -} - /// An expression. #[derive(Debug, Clone, Copy, HashStable_Generic)] pub struct Expr<'hir> { @@ -1886,7 +1878,7 @@ pub fn is_range_literal(expr: &Expr<'_>) -> bool { #[derive(Debug, Clone, Copy, HashStable_Generic)] pub enum ExprKind<'hir> { /// Allow anonymous constants from an inline `const` block - ConstBlock(ConstBlock), + ConstBlock(&'hir Expr<'hir>), /// An array (e.g., `[a, b, c, d]`). Array(&'hir [Expr<'hir>]), /// A function call. @@ -3609,7 +3601,6 @@ pub enum Node<'hir> { Variant(&'hir Variant<'hir>), Field(&'hir FieldDef<'hir>), AnonConst(&'hir AnonConst), - ConstBlock(&'hir ConstBlock), Expr(&'hir Expr<'hir>), ExprField(&'hir ExprField<'hir>), Stmt(&'hir Stmt<'hir>), @@ -3670,7 +3661,6 @@ impl<'hir> Node<'hir> { Node::PreciseCapturingNonLifetimeArg(a) => Some(a.ident), Node::Param(..) | Node::AnonConst(..) - | Node::ConstBlock(..) | Node::Expr(..) | Node::Stmt(..) | Node::Block(..) @@ -3768,7 +3758,6 @@ impl<'hir> Node<'hir> { } Node::AnonConst(constant) => Some((constant.def_id, constant.body)), - Node::ConstBlock(constant) => Some((constant.def_id, constant.body)), _ => None, } @@ -3837,7 +3826,6 @@ impl<'hir> Node<'hir> { expect_variant, &'hir Variant<'hir>, Node::Variant(n), n; expect_field, &'hir FieldDef<'hir>, Node::Field(n), n; expect_anon_const, &'hir AnonConst, Node::AnonConst(n), n; - expect_inline_const, &'hir ConstBlock, Node::ConstBlock(n), n; expect_expr, &'hir Expr<'hir>, Node::Expr(n), n; expect_expr_field, &'hir ExprField<'hir>, Node::ExprField(n), n; expect_stmt, &'hir Stmt<'hir>, Node::Stmt(n), n; diff --git a/compiler/rustc_hir/src/intravisit.rs b/compiler/rustc_hir/src/intravisit.rs index b202ea8dca37..aba0532f0d1e 100644 --- a/compiler/rustc_hir/src/intravisit.rs +++ b/compiler/rustc_hir/src/intravisit.rs @@ -344,9 +344,6 @@ pub trait Visitor<'v>: Sized { fn visit_anon_const(&mut self, c: &'v AnonConst) -> Self::Result { walk_anon_const(self, c) } - fn visit_inline_const(&mut self, c: &'v ConstBlock) -> Self::Result { - walk_inline_const(self, c) - } fn visit_expr(&mut self, ex: &'v Expr<'v>) -> Self::Result { walk_expr(self, ex) } @@ -716,14 +713,6 @@ pub fn walk_anon_const<'v, V: Visitor<'v>>(visitor: &mut V, constant: &'v AnonCo visitor.visit_nested_body(constant.body) } -pub fn walk_inline_const<'v, V: Visitor<'v>>( - visitor: &mut V, - constant: &'v ConstBlock, -) -> V::Result { - try_visit!(visitor.visit_id(constant.hir_id)); - visitor.visit_nested_body(constant.body) -} - pub fn walk_expr<'v, V: Visitor<'v>>(visitor: &mut V, expression: &'v Expr<'v>) -> V::Result { try_visit!(visitor.visit_id(expression.hir_id)); match expression.kind { @@ -731,7 +720,7 @@ pub fn walk_expr<'v, V: Visitor<'v>>(visitor: &mut V, expression: &'v Expr<'v>) walk_list!(visitor, visit_expr, subexpressions); } ExprKind::ConstBlock(ref const_block) => { - try_visit!(visitor.visit_inline_const(const_block)) + try_visit!(visitor.visit_expr(const_block)) } ExprKind::Repeat(ref element, ref count) => { try_visit!(visitor.visit_expr(element)); diff --git a/compiler/rustc_hir_analysis/src/check/region.rs b/compiler/rustc_hir_analysis/src/check/region.rs index 687f0f09a0b4..8b0adebfaf46 100644 --- a/compiler/rustc_hir_analysis/src/check/region.rs +++ b/compiler/rustc_hir_analysis/src/check/region.rs @@ -407,11 +407,14 @@ fn resolve_expr<'tcx>(visitor: &mut RegionResolutionVisitor<'tcx>, expr: &'tcx h match expr.kind { // Manually recurse over closures and inline consts, because they are the only // case of nested bodies that share the parent environment. - hir::ExprKind::Closure(&hir::Closure { body, .. }) - | hir::ExprKind::ConstBlock(hir::ConstBlock { body, .. }) => { + hir::ExprKind::Closure(&hir::Closure { body, .. }) => { let body = visitor.tcx.hir().body(body); visitor.visit_body(body); } + hir::ExprKind::ConstBlock(expr) => visitor.enter_body(expr.hir_id, |this| { + this.cx.var_parent = None; + resolve_local(this, None, Some(expr)); + }), hir::ExprKind::AssignOp(_, left_expr, right_expr) => { debug!( "resolve_expr - enabling pessimistic_yield, was previously {}", diff --git a/compiler/rustc_hir_analysis/src/collect/generics_of.rs b/compiler/rustc_hir_analysis/src/collect/generics_of.rs index abdf85ad707b..9af959681fbf 100644 --- a/compiler/rustc_hir_analysis/src/collect/generics_of.rs +++ b/compiler/rustc_hir_analysis/src/collect/generics_of.rs @@ -177,10 +177,10 @@ pub(super) fn generics_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::Generics { } } } - Node::ConstBlock(_) - | Node::Expr(&hir::Expr { kind: hir::ExprKind::Closure { .. }, .. }) => { - Some(tcx.typeck_root_def_id(def_id.to_def_id())) - } + Node::Expr(&hir::Expr { + kind: hir::ExprKind::Closure { .. } | hir::ExprKind::ConstBlock { .. }, + .. + }) => Some(tcx.typeck_root_def_id(def_id.to_def_id())), Node::Item(item) => match item.kind { ItemKind::OpaqueTy(&hir::OpaqueTy { origin: @@ -415,7 +415,7 @@ pub(super) fn generics_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::Generics { } // provide junk type parameter defs for const blocks. - if let Node::ConstBlock(_) = node { + if let Node::Expr(Expr { kind: ExprKind::ConstBlock(..), .. }) = node { own_params.push(ty::GenericParamDef { index: next_index(), name: Symbol::intern(""), diff --git a/compiler/rustc_hir_analysis/src/collect/type_of.rs b/compiler/rustc_hir_analysis/src/collect/type_of.rs index ed942cc50bb4..d497617f6449 100644 --- a/compiler/rustc_hir_analysis/src/collect/type_of.rs +++ b/compiler/rustc_hir_analysis/src/collect/type_of.rs @@ -484,8 +484,7 @@ pub(super) fn type_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::EarlyBinder<'_ } Node::AnonConst(_) => anon_const_type_of(tcx, def_id), - - Node::ConstBlock(_) => { + Node::Expr(&Expr { kind: ExprKind::ConstBlock(..), .. }) => { let args = ty::GenericArgs::identity_for_item(tcx, def_id.to_def_id()); args.as_inline_const().ty() } diff --git a/compiler/rustc_hir_analysis/src/lib.rs b/compiler/rustc_hir_analysis/src/lib.rs index 8fe81851f932..65b02a2ec565 100644 --- a/compiler/rustc_hir_analysis/src/lib.rs +++ b/compiler/rustc_hir_analysis/src/lib.rs @@ -190,10 +190,6 @@ pub fn check_crate(tcx: TyCtxt<'_>) { } }); - // Freeze definitions as we don't add new ones at this point. This improves performance by - // allowing lock-free access to them. - tcx.untracked().definitions.freeze(); - // FIXME: Remove this when we implement creating `DefId`s // for anon constants during their parents' typeck. // Typeck all body owners in parallel will produce queries @@ -205,6 +201,10 @@ pub fn check_crate(tcx: TyCtxt<'_>) { } }); + // Freeze definitions as we don't add new ones at this point. This improves performance by + // allowing lock-free access to them. + tcx.untracked().definitions.freeze(); + tcx.ensure().check_unused_traits(()); } diff --git a/compiler/rustc_hir_pretty/src/lib.rs b/compiler/rustc_hir_pretty/src/lib.rs index 488537e81bec..62abdf0afabf 100644 --- a/compiler/rustc_hir_pretty/src/lib.rs +++ b/compiler/rustc_hir_pretty/src/lib.rs @@ -84,7 +84,6 @@ impl<'a> State<'a> { Node::ImplItem(a) => self.print_impl_item(a), Node::Variant(a) => self.print_variant(a), Node::AnonConst(a) => self.print_anon_const(a), - Node::ConstBlock(a) => self.print_inline_const(a), Node::Expr(a) => self.print_expr(a), Node::ExprField(a) => self.print_expr_field(a), Node::Stmt(a) => self.print_stmt(a), @@ -1049,10 +1048,10 @@ impl<'a> State<'a> { self.end() } - fn print_inline_const(&mut self, constant: &hir::ConstBlock) { + fn print_inline_const(&mut self, constant: &hir::Expr<'_>) { self.ibox(INDENT_UNIT); self.word_space("const"); - self.ann.nested(self, Nested::Body(constant.body)); + self.print_expr(constant); self.end() } diff --git a/compiler/rustc_hir_typeck/src/expr.rs b/compiler/rustc_hir_typeck/src/expr.rs index fade943c5ae3..364f0fec202a 100644 --- a/compiler/rustc_hir_typeck/src/expr.rs +++ b/compiler/rustc_hir_typeck/src/expr.rs @@ -32,7 +32,6 @@ use rustc_errors::{ use rustc_hir as hir; use rustc_hir::def::{CtorKind, DefKind, Res}; use rustc_hir::def_id::DefId; -use rustc_hir::intravisit::Visitor; use rustc_hir::lang_items::LangItem; use rustc_hir::{ExprKind, HirId, QPath}; use rustc_hir_analysis::hir_ty_lowering::HirTyLowerer as _; @@ -336,7 +335,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } ExprKind::DropTemps(e) => self.check_expr_with_expectation(e, expected), ExprKind::Array(args) => self.check_expr_array(args, expected, expr), - ExprKind::ConstBlock(ref block) => self.check_expr_const_block(block, expected), + ExprKind::ConstBlock(ref block) => self.check_expr_with_expectation(block, expected), ExprKind::Repeat(element, ref count) => { self.check_expr_repeat(element, count, expected, expr) } @@ -1460,24 +1459,6 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } } - fn check_expr_const_block( - &self, - block: &'tcx hir::ConstBlock, - expected: Expectation<'tcx>, - ) -> Ty<'tcx> { - let body = self.tcx.hir().body(block.body); - - // Create a new function context. - let def_id = block.def_id; - let fcx = FnCtxt::new(self, self.param_env, def_id); - crate::GatherLocalsVisitor::new(&fcx).visit_body(body); - - let ty = fcx.check_expr_with_expectation(body.value, expected); - fcx.require_type_is_sized(ty, body.value.span, ObligationCauseCode::ConstSized); - fcx.write_ty(block.hir_id, ty); - ty - } - fn check_expr_repeat( &self, element: &'tcx hir::Expr<'tcx>, diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs index cfd4dd4d1dd0..0d7f59c48715 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs @@ -1055,6 +1055,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { .take_while(|(_, node)| { // look at parents until we find the first body owner node.body_id().is_none() + && !matches!( + node, + Node::Expr(Expr { kind: ExprKind::ConstBlock { .. }, .. }) + ) }) .any(|(parent_id, _)| self.is_loop(parent_id)); diff --git a/compiler/rustc_hir_typeck/src/upvar.rs b/compiler/rustc_hir_typeck/src/upvar.rs index 466397817dae..4386e68ce867 100644 --- a/compiler/rustc_hir_typeck/src/upvar.rs +++ b/compiler/rustc_hir_typeck/src/upvar.rs @@ -149,10 +149,6 @@ impl<'a, 'tcx> Visitor<'tcx> for InferBorrowKindVisitor<'a, 'tcx> { self.visit_body(body); self.fcx.analyze_closure(expr.hir_id, expr.span, body_id, body, capture_clause); } - hir::ExprKind::ConstBlock(anon_const) => { - let body = self.fcx.tcx.hir().body(anon_const.body); - self.visit_body(body); - } _ => {} } diff --git a/compiler/rustc_hir_typeck/src/writeback.rs b/compiler/rustc_hir_typeck/src/writeback.rs index f798deea207a..31caa52d2671 100644 --- a/compiler/rustc_hir_typeck/src/writeback.rs +++ b/compiler/rustc_hir_typeck/src/writeback.rs @@ -3,6 +3,7 @@ // generic parameters. use crate::FnCtxt; +use hir::def::DefKind; use rustc_data_structures::unord::ExtendUnord; use rustc_errors::{ErrorGuaranteed, StashKey}; use rustc_hir as hir; @@ -16,7 +17,7 @@ use rustc_middle::ty::fold::{TypeFoldable, TypeFolder}; use rustc_middle::ty::visit::TypeVisitableExt; use rustc_middle::ty::TypeSuperFoldable; use rustc_middle::ty::{self, Ty, TyCtxt}; -use rustc_span::symbol::sym; +use rustc_span::symbol::{kw, sym}; use rustc_span::Span; use rustc_trait_selection::solve; use rustc_trait_selection::traits::error_reporting::TypeErrCtxtExt; @@ -295,11 +296,11 @@ impl<'cx, 'tcx> Visitor<'tcx> for WritebackCx<'cx, 'tcx> { hir::ExprKind::Field(..) | hir::ExprKind::OffsetOf(..) => { self.visit_field_id(e.hir_id); } - hir::ExprKind::ConstBlock(anon_const) => { - self.visit_node_id(e.span, anon_const.hir_id); - - let body = self.tcx().hir().body(anon_const.body); - self.visit_body(body); + hir::ExprKind::ConstBlock(_) => { + let feed = self.tcx().create_def(self.fcx.body_id, kw::Empty, DefKind::InlineConst); + feed.def_span(e.span); + feed.local_def_id_to_hir_id(e.hir_id); + self.typeck_results.inline_consts.insert(e.hir_id.local_id, feed.def_id()); } _ => {} } diff --git a/compiler/rustc_middle/src/hir/map/mod.rs b/compiler/rustc_middle/src/hir/map/mod.rs index b17af47fbcd4..ff8d29197055 100644 --- a/compiler/rustc_middle/src/hir/map/mod.rs +++ b/compiler/rustc_middle/src/hir/map/mod.rs @@ -321,7 +321,7 @@ impl<'hir> Map<'hir> { /// Returns an iterator of the `DefId`s for all body-owners in this /// crate. If you would prefer to iterate over the bodies - /// themselves, you can do `self.hir().krate().body_ids.iter()`. + /// themselves, you can do `self.hir().krate().owners.iter()`. #[inline] pub fn body_owners(self) -> impl Iterator + 'hir { self.tcx.hir_crate_items(()).body_owners.iter().copied() @@ -508,7 +508,17 @@ impl<'hir> Map<'hir> { /// Whether the expression pointed at by `hir_id` belongs to a `const` evaluation context. /// Used exclusively for diagnostics, to avoid suggestion function calls. pub fn is_inside_const_context(self, hir_id: HirId) -> bool { - self.body_const_context(self.enclosing_body_owner(hir_id)).is_some() + for (_, node) in self.parent_iter(hir_id) { + if let Some((def_id, _)) = node.associated_body() { + return self.body_const_context(def_id).is_some(); + } + if let Node::Expr(e) = node { + if let ExprKind::ConstBlock(_) = e.kind { + return true; + } + } + } + false } /// Retrieves the `HirId` for `id`'s enclosing function *if* the `id` block or return is @@ -891,7 +901,6 @@ impl<'hir> Map<'hir> { Node::Variant(variant) => variant.span, Node::Field(field) => field.span, Node::AnonConst(constant) => constant.span, - Node::ConstBlock(constant) => self.body(constant.body).value.span, Node::Expr(expr) => expr.span, Node::ExprField(field) => field.span, Node::Stmt(stmt) => stmt.span, @@ -1161,7 +1170,6 @@ fn hir_id_to_string(map: Map<'_>, id: HirId) -> String { format!("{id} (field `{}` in {})", field.ident, path_str(field.def_id)) } Node::AnonConst(_) => node_str("const"), - Node::ConstBlock(_) => node_str("const"), Node::Expr(_) => node_str("expr"), Node::ExprField(_) => node_str("expr field"), Node::Stmt(_) => node_str("stmt"), @@ -1311,11 +1319,6 @@ impl<'hir> Visitor<'hir> for ItemCollector<'hir> { intravisit::walk_anon_const(self, c) } - fn visit_inline_const(&mut self, c: &'hir ConstBlock) { - self.body_owners.push(c.def_id); - intravisit::walk_inline_const(self, c) - } - fn visit_expr(&mut self, ex: &'hir Expr<'hir>) { if let ExprKind::Closure(closure) = ex.kind { self.body_owners.push(closure.def_id); diff --git a/compiler/rustc_middle/src/ty/typeck_results.rs b/compiler/rustc_middle/src/ty/typeck_results.rs index 24e3e623ff27..69ea9c9843a0 100644 --- a/compiler/rustc_middle/src/ty/typeck_results.rs +++ b/compiler/rustc_middle/src/ty/typeck_results.rs @@ -217,6 +217,10 @@ pub struct TypeckResults<'tcx> { /// Container types and field indices of `offset_of!` expressions offset_of_data: ItemLocalMap<(Ty<'tcx>, Vec<(VariantIdx, FieldIdx)>)>, + + /// Maps from `HirId`s of const blocks (the `ExprKind::ConstBlock`, not the inner expression's) + /// to the `DefId` of the corresponding inline const. + pub inline_consts: FxIndexMap, } impl<'tcx> TypeckResults<'tcx> { @@ -249,6 +253,7 @@ impl<'tcx> TypeckResults<'tcx> { treat_byte_string_as_slice: Default::default(), closure_size_eval: Default::default(), offset_of_data: Default::default(), + inline_consts: Default::default(), } } diff --git a/compiler/rustc_mir_build/src/build/mod.rs b/compiler/rustc_mir_build/src/build/mod.rs index 92cd7f75d628..13112f2b12c8 100644 --- a/compiler/rustc_mir_build/src/build/mod.rs +++ b/compiler/rustc_mir_build/src/build/mod.rs @@ -568,11 +568,8 @@ fn construct_const<'a, 'tcx>( .. }) => (*span, ty.span), Node::AnonConst(ct) => (ct.span, ct.span), - Node::ConstBlock(_) => { - let span = tcx.def_span(def); - (span, span) - } - _ => span_bug!(tcx.def_span(def), "can't build MIR for {:?}", def), + Node::Expr(&hir::Expr { span, kind: hir::ExprKind::ConstBlock(_), .. }) => (span, span), + node => span_bug!(tcx.def_span(def), "can't build MIR for {def:?}: {node:#?}"), }; let infcx = tcx.infer_ctxt().build(); diff --git a/compiler/rustc_mir_build/src/thir/cx/expr.rs b/compiler/rustc_mir_build/src/thir/cx/expr.rs index 28f9300b97a8..bd66257e6b68 100644 --- a/compiler/rustc_mir_build/src/thir/cx/expr.rs +++ b/compiler/rustc_mir_build/src/thir/cx/expr.rs @@ -671,9 +671,9 @@ impl<'tcx> Cx<'tcx> { ExprKind::OffsetOf { container, fields } } - hir::ExprKind::ConstBlock(ref anon_const) => { - let ty = self.typeck_results().node_type(anon_const.hir_id); - let did = anon_const.def_id.to_def_id(); + hir::ExprKind::ConstBlock(body) => { + let ty = self.typeck_results().node_type(body.hir_id); + let did = self.typeck_results().inline_consts[&expr.hir_id.local_id].into(); let typeck_root_def_id = tcx.typeck_root_def_id(did); let parent_args = tcx.erase_regions(GenericArgs::identity_for_item(tcx, typeck_root_def_id)); diff --git a/compiler/rustc_mir_build/src/thir/cx/mod.rs b/compiler/rustc_mir_build/src/thir/cx/mod.rs index 3c0e2521d88f..bd72ef28cb37 100644 --- a/compiler/rustc_mir_build/src/thir/cx/mod.rs +++ b/compiler/rustc_mir_build/src/thir/cx/mod.rs @@ -13,10 +13,10 @@ use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_hir::lang_items::LangItem; use rustc_hir::HirId; use rustc_hir::Node; -use rustc_middle::bug; use rustc_middle::middle::region; use rustc_middle::thir::*; use rustc_middle::ty::{self, RvalueScopes, TyCtxt}; +use rustc_middle::{bug, span_bug}; use tracing::instrument; pub(crate) fn thir_body( @@ -24,7 +24,22 @@ pub(crate) fn thir_body( owner_def: LocalDefId, ) -> Result<(&Steal>, ExprId), ErrorGuaranteed> { let hir = tcx.hir(); - let body = hir.body(hir.body_owned_by(owner_def)); + let body; + let body = match tcx.def_kind(owner_def) { + // Inline consts do not have bodies of their own, so create one to make the follow-up logic simpler. + DefKind::InlineConst => { + let e = hir.expect_expr(tcx.local_def_id_to_hir_id(owner_def)); + body = hir::Body { + params: &[], + value: match e.kind { + hir::ExprKind::ConstBlock(body) => body, + _ => span_bug!(e.span, "InlineConst was not a ConstBlock: {e:#?}"), + }, + }; + &body + } + _ => hir.body(hir.body_owned_by(owner_def)), + }; let mut cx = Cx::new(tcx, owner_def); if let Some(reported) = cx.typeck_results.tainted_by_errors { return Err(reported); @@ -165,7 +180,7 @@ impl<'tcx> Cx<'tcx> { &'a mut self, owner_id: HirId, fn_decl: &'tcx hir::FnDecl<'tcx>, - body: &'tcx hir::Body<'tcx>, + body: &hir::Body<'tcx>, ) -> impl Iterator> + 'a { let fn_sig = self.typeck_results.liberated_fn_sigs()[owner_id]; diff --git a/compiler/rustc_mir_build/src/thir/pattern/mod.rs b/compiler/rustc_mir_build/src/thir/pattern/mod.rs index 7408c679f00b..33401cad631a 100644 --- a/compiler/rustc_mir_build/src/thir/pattern/mod.rs +++ b/compiler/rustc_mir_build/src/thir/pattern/mod.rs @@ -637,15 +637,13 @@ impl<'a, 'tcx> PatCtxt<'a, 'tcx> { /// Converts inline const patterns. fn lower_inline_const( &mut self, - block: &'tcx hir::ConstBlock, + expr: &'tcx hir::Expr<'tcx>, id: hir::HirId, span: Span, ) -> PatKind<'tcx> { let tcx = self.tcx; - let def_id = block.def_id; - let body_id = block.body; - let expr = &tcx.hir().body(body_id).value; - let ty = tcx.typeck(def_id).node_type(block.hir_id); + let def_id = self.typeck_results.inline_consts[&id.local_id]; + let ty = tcx.typeck(def_id).node_type(expr.hir_id); // Special case inline consts that are just literals. This is solely // a performance optimization, as we could also just go through the regular diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs index 9d88f8bf9bec..b66e3d66f4d3 100644 --- a/compiler/rustc_mir_transform/src/lib.rs +++ b/compiler/rustc_mir_transform/src/lib.rs @@ -222,6 +222,12 @@ fn mir_keys(tcx: TyCtxt<'_>, (): ()) -> FxIndexSet { // All body-owners have MIR associated with them. set.extend(tcx.hir().body_owners()); + // Inline consts' bodies are created in + // typeck instead of during ast lowering, like all other bodies so far. + for def_id in tcx.hir().body_owners() { + set.extend(tcx.typeck(def_id).inline_consts.values()) + } + // Additionally, tuple struct/variant constructors have MIR, but // they don't have a BodyId, so we need to build them separately. struct GatherCtors<'a> { diff --git a/compiler/rustc_parse/src/parser/mod.rs b/compiler/rustc_parse/src/parser/mod.rs index c2183258eef1..bab8b6c06ebe 100644 --- a/compiler/rustc_parse/src/parser/mod.rs +++ b/compiler/rustc_parse/src/parser/mod.rs @@ -25,8 +25,8 @@ use rustc_ast::tokenstream::{AttributesData, DelimSpacing, DelimSpan, Spacing}; use rustc_ast::tokenstream::{TokenStream, TokenTree, TokenTreeCursor}; use rustc_ast::util::case::Case; use rustc_ast::{ - self as ast, AnonConst, AttrArgs, AttrArgsEq, AttrId, ByRef, Const, CoroutineKind, DelimArgs, - Expr, ExprKind, Extern, HasAttrs, HasTokens, Mutability, Recovered, Safety, StrLit, Visibility, + self as ast, AttrArgs, AttrArgsEq, AttrId, ByRef, Const, CoroutineKind, DelimArgs, Expr, + ExprKind, Extern, HasAttrs, HasTokens, Mutability, Recovered, Safety, StrLit, Visibility, VisibilityKind, DUMMY_NODE_ID, }; use rustc_ast_pretty::pprust; @@ -1260,12 +1260,9 @@ impl<'a> Parser<'a> { } self.eat_keyword(kw::Const); let (attrs, blk) = self.parse_inner_attrs_and_block()?; - let anon_const = AnonConst { - id: DUMMY_NODE_ID, - value: self.mk_expr(blk.span, ExprKind::Block(blk, None)), - }; - let blk_span = anon_const.value.span; - Ok(self.mk_expr_with_attrs(span.to(blk_span), ExprKind::ConstBlock(anon_const), attrs)) + let expr = self.mk_expr(blk.span, ExprKind::Block(blk, None)); + let blk_span = expr.span; + Ok(self.mk_expr_with_attrs(span.to(blk_span), ExprKind::ConstBlock(expr), attrs)) } /// Parses mutability (`mut` or nothing). diff --git a/compiler/rustc_passes/src/check_const.rs b/compiler/rustc_passes/src/check_const.rs index eb29a65cb293..fa2c8f69c71d 100644 --- a/compiler/rustc_passes/src/check_const.rs +++ b/compiler/rustc_passes/src/check_const.rs @@ -196,11 +196,6 @@ impl<'tcx> Visitor<'tcx> for CheckConstVisitor<'tcx> { self.recurse_into(kind, None, |this| intravisit::walk_anon_const(this, anon)); } - fn visit_inline_const(&mut self, block: &'tcx hir::ConstBlock) { - let kind = Some(hir::ConstContext::Const { inline: true }); - self.recurse_into(kind, None, |this| intravisit::walk_inline_const(this, block)); - } - fn visit_body(&mut self, body: &'tcx hir::Body<'tcx>) { let owner = self.tcx.hir().body_owner_def_id(body.id()); let kind = self.tcx.hir().body_const_context(owner); @@ -228,6 +223,11 @@ impl<'tcx> Visitor<'tcx> for CheckConstVisitor<'tcx> { self.const_check_violated(expr, e.span); } } + hir::ExprKind::ConstBlock(expr) => { + let kind = Some(hir::ConstContext::Const { inline: true }); + self.recurse_into(kind, None, |this| intravisit::walk_expr(this, expr)); + return; + } _ => {} } diff --git a/compiler/rustc_passes/src/dead.rs b/compiler/rustc_passes/src/dead.rs index ddc50e2b811a..0049afff528c 100644 --- a/compiler/rustc_passes/src/dead.rs +++ b/compiler/rustc_passes/src/dead.rs @@ -587,6 +587,16 @@ impl<'tcx> Visitor<'tcx> for MarkSymbolVisitor<'tcx> { hir::ExprKind::OffsetOf(..) => { self.handle_offset_of(expr); } + hir::ExprKind::ConstBlock(expr) => { + // When inline const blocks are used in pattern position, paths + // referenced by it should be considered as used. + let in_pat = mem::replace(&mut self.in_pat, false); + + intravisit::walk_expr(self, expr); + + self.in_pat = in_pat; + return; + } _ => (), } @@ -648,17 +658,6 @@ impl<'tcx> Visitor<'tcx> for MarkSymbolVisitor<'tcx> { self.in_pat = in_pat; } - - fn visit_inline_const(&mut self, c: &'tcx hir::ConstBlock) { - // When inline const blocks are used in pattern position, paths - // referenced by it should be considered as used. - let in_pat = mem::replace(&mut self.in_pat, false); - - self.live_symbols.insert(c.def_id); - intravisit::walk_inline_const(self, c); - - self.in_pat = in_pat; - } } fn has_allow_dead_code_or_lang_attr( diff --git a/compiler/rustc_passes/src/liveness.rs b/compiler/rustc_passes/src/liveness.rs index b0a753604e2e..1f966be26ff4 100644 --- a/compiler/rustc_passes/src/liveness.rs +++ b/compiler/rustc_passes/src/liveness.rs @@ -147,6 +147,11 @@ fn check_liveness(tcx: TyCtxt<'_>, def_id: LocalDefId) { return; } + // Don't run for inline consts, they are collected together with their parent + if let DefKind::InlineConst = tcx.def_kind(def_id) { + return; + } + // Don't run unused pass for #[naked] if tcx.has_attr(def_id.to_def_id(), sym::naked) { return; @@ -1144,12 +1149,13 @@ impl<'a, 'tcx> Liveness<'a, 'tcx> { } hir::ExprKind::Lit(..) - | hir::ExprKind::ConstBlock(..) | hir::ExprKind::Err(_) | hir::ExprKind::Path(hir::QPath::TypeRelative(..)) | hir::ExprKind::Path(hir::QPath::LangItem(..)) | hir::ExprKind::OffsetOf(..) => succ, + hir::ExprKind::ConstBlock(expr) => self.propagate_through_expr(expr, succ), + // Note that labels have been resolved, so we don't need to look // at the label ident hir::ExprKind::Block(ref blk, _) => self.propagate_through_block(blk, succ), diff --git a/compiler/rustc_passes/src/loops.rs b/compiler/rustc_passes/src/loops.rs index 2587a18b8c89..737310e5c04a 100644 --- a/compiler/rustc_passes/src/loops.rs +++ b/compiler/rustc_passes/src/loops.rs @@ -93,10 +93,6 @@ impl<'a, 'hir> Visitor<'hir> for CheckLoopVisitor<'a, 'hir> { self.with_context(Constant, |v| intravisit::walk_anon_const(v, c)); } - fn visit_inline_const(&mut self, c: &'hir hir::ConstBlock) { - self.with_context(Constant, |v| intravisit::walk_inline_const(v, c)); - } - fn visit_fn( &mut self, fk: hir::intravisit::FnKind<'hir>, @@ -289,6 +285,9 @@ impl<'a, 'hir> Visitor<'hir> for CheckLoopVisitor<'a, 'hir> { self.cx_stack.len() - 1, ) } + hir::ExprKind::ConstBlock(expr) => { + self.with_context(Constant, |v| intravisit::walk_expr(v, expr)); + } _ => intravisit::walk_expr(self, e), } } diff --git a/compiler/rustc_resolve/src/def_collector.rs b/compiler/rustc_resolve/src/def_collector.rs index bd0622428569..cad10571afe6 100644 --- a/compiler/rustc_resolve/src/def_collector.rs +++ b/compiler/rustc_resolve/src/def_collector.rs @@ -325,16 +325,6 @@ impl<'a, 'b, 'tcx> visit::Visitor<'a> for DefCollector<'a, 'b, 'tcx> { ExprKind::Gen(_, _, _) => { self.create_def(expr.id, kw::Empty, DefKind::Closure, expr.span) } - ExprKind::ConstBlock(ref constant) => { - let def = self.create_def( - constant.id, - kw::Empty, - DefKind::InlineConst, - constant.value.span, - ); - self.with_parent(def, |this| visit::walk_anon_const(this, constant)); - return; - } _ => self.parent_def, }; diff --git a/compiler/rustc_resolve/src/late.rs b/compiler/rustc_resolve/src/late.rs index 63d0d6c260db..08326d1ef57e 100644 --- a/compiler/rustc_resolve/src/late.rs +++ b/compiler/rustc_resolve/src/late.rs @@ -4502,9 +4502,6 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { self.visit_expr(elem); self.resolve_anon_const(ct, AnonConstKind::ConstArg(IsRepeatExpr::Yes)); } - ExprKind::ConstBlock(ref ct) => { - self.resolve_anon_const(ct, AnonConstKind::InlineConst); - } ExprKind::Index(ref elem, ref idx, _) => { self.resolve_expr(elem, Some(expr)); self.visit_expr(idx); diff --git a/src/tools/clippy/clippy_utils/src/consts.rs b/src/tools/clippy/clippy_utils/src/consts.rs index 253ae3aca689..f5d3967d130d 100644 --- a/src/tools/clippy/clippy_utils/src/consts.rs +++ b/src/tools/clippy/clippy_utils/src/consts.rs @@ -6,7 +6,7 @@ use crate::{clip, is_direct_expn_of, sext, unsext}; use rustc_ast::ast::{self, LitFloatType, LitKind}; use rustc_data_structures::sync::Lrc; use rustc_hir::def::{DefKind, Res}; -use rustc_hir::{BinOp, BinOpKind, Block, ConstBlock, Expr, ExprKind, HirId, Item, ItemKind, Node, QPath, UnOp}; +use rustc_hir::{BinOp, BinOpKind, Block, Expr, ExprKind, HirId, Item, ItemKind, Node, QPath, UnOp}; use rustc_lexer::tokenize; use rustc_lint::LateContext; use rustc_middle::mir::interpret::{alloc_range, Scalar}; @@ -412,7 +412,7 @@ impl<'a, 'tcx> ConstEvalLateContext<'a, 'tcx> { /// Simple constant folding: Insert an expression, get a constant or none. pub fn expr(&mut self, e: &Expr<'_>) -> Option> { match e.kind { - ExprKind::ConstBlock(ConstBlock { body, .. }) => self.expr(self.lcx.tcx.hir().body(body).value), + ExprKind::ConstBlock(e) | ExprKind::DropTemps(e) => self.expr(e), ExprKind::Path(ref qpath) => { self.fetch_path_and_apply(qpath, e.hir_id, self.typeck_results.expr_ty(e), |this, result| { @@ -491,7 +491,7 @@ impl<'a, 'tcx> ConstEvalLateContext<'a, 'tcx> { /// leaves the local crate. pub fn expr_is_empty(&mut self, e: &Expr<'_>) -> Option { match e.kind { - ExprKind::ConstBlock(ConstBlock { body, .. }) => self.expr_is_empty(self.lcx.tcx.hir().body(body).value), + ExprKind::ConstBlock(e) | ExprKind::DropTemps(e) => self.expr_is_empty(e), ExprKind::Path(ref qpath) => { if !self diff --git a/src/tools/clippy/clippy_utils/src/hir_utils.rs b/src/tools/clippy/clippy_utils/src/hir_utils.rs index 9f285621e0c9..cc5ccd4053a2 100644 --- a/src/tools/clippy/clippy_utils/src/hir_utils.rs +++ b/src/tools/clippy/clippy_utils/src/hir_utils.rs @@ -295,7 +295,7 @@ impl HirEqInterExpr<'_, '_, '_> { self.eq_expr(lx, rx) && self.eq_ty(lt, rt) }, (&ExprKind::Closure(_l), &ExprKind::Closure(_r)) => false, - (&ExprKind::ConstBlock(lb), &ExprKind::ConstBlock(rb)) => self.eq_body(lb.body, rb.body), + (&ExprKind::ConstBlock(lb), &ExprKind::ConstBlock(rb)) => self.eq_expr(lb, rb), (&ExprKind::Continue(li), &ExprKind::Continue(ri)) => { both(&li.label, &ri.label, |l, r| l.ident.name == r.ident.name) }, @@ -770,7 +770,7 @@ impl<'a, 'tcx> SpanlessHash<'a, 'tcx> { self.hash_expr(self.cx.tcx.hir().body(body).value); }, ExprKind::ConstBlock(ref l_id) => { - self.hash_body(l_id.body); + self.hash_expr(l_id); }, ExprKind::DropTemps(e) | ExprKind::Yield(e, _) => { self.hash_expr(e); diff --git a/src/tools/clippy/tests/ui/arithmetic_side_effects.stderr b/src/tools/clippy/tests/ui/arithmetic_side_effects.stderr index 8039c0bfa248..df14ff396f6c 100644 --- a/src/tools/clippy/tests/ui/arithmetic_side_effects.stderr +++ b/src/tools/clippy/tests/ui/arithmetic_side_effects.stderr @@ -1,11 +1,35 @@ +error: arithmetic operation that can potentially result in unexpected side-effects + --> tests/ui/arithmetic_side_effects.rs:188:36 + | +LL | let _ = const { let mut n = 1; n += 1; n }; + | ^^^^^^ + | + = note: `-D clippy::arithmetic-side-effects` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::arithmetic_side_effects)]` + +error: arithmetic operation that can potentially result in unexpected side-effects + --> tests/ui/arithmetic_side_effects.rs:191:40 + | +LL | let _ = const { let mut n = 1; n = n + 1; n }; + | ^^^^^ + +error: arithmetic operation that can potentially result in unexpected side-effects + --> tests/ui/arithmetic_side_effects.rs:194:40 + | +LL | let _ = const { let mut n = 1; n = 1 + n; n }; + | ^^^^^ + +error: arithmetic operation that can potentially result in unexpected side-effects + --> tests/ui/arithmetic_side_effects.rs:200:59 + | +LL | let _ = const { let mut n = 1; n = -1; n = -(-1); n = -n; n }; + | ^^ + error: arithmetic operation that can potentially result in unexpected side-effects --> tests/ui/arithmetic_side_effects.rs:304:5 | LL | _n += 1; | ^^^^^^^ - | - = note: `-D clippy::arithmetic-side-effects` implied by `-D warnings` - = help: to override `-D warnings` add `#[allow(clippy::arithmetic_side_effects)]` error: arithmetic operation that can potentially result in unexpected side-effects --> tests/ui/arithmetic_side_effects.rs:305:5 @@ -727,5 +751,5 @@ error: arithmetic operation that can potentially result in unexpected side-effec LL | one.sub_assign(1); | ^^^^^^^^^^^^^^^^^ -error: aborting due to 121 previous errors +error: aborting due to 125 previous errors diff --git a/tests/mir-opt/building/custom/consts.consts.built.after.mir b/tests/mir-opt/building/custom/consts.consts.built.after.mir index a011fadcef11..7b6964849d4b 100644 --- a/tests/mir-opt/building/custom/consts.consts.built.after.mir +++ b/tests/mir-opt/building/custom/consts.consts.built.after.mir @@ -10,7 +10,7 @@ fn consts() -> () { bb0: { _1 = const 5_u8; - _2 = const consts::::{constant#0}; + _2 = const consts::::{constant#1}; _3 = const C; _4 = const D; _5 = consts::<10>; diff --git a/tests/pretty/stmt_expr_attributes.rs b/tests/pretty/stmt_expr_attributes.rs index 5eb7d2fcae36..f90412682110 100644 --- a/tests/pretty/stmt_expr_attributes.rs +++ b/tests/pretty/stmt_expr_attributes.rs @@ -206,12 +206,7 @@ fn _11() { let _ = (); () }; - let const { - #![rustc_dummy] - } = - #[rustc_dummy] const { - #![rustc_dummy] - }; + let const {} = #[rustc_dummy] const {}; let mut x = 0; let _ = (#[rustc_dummy] x) = 15; let _ = (#[rustc_dummy] x) += 15; diff --git a/tests/ui/lint/non-local-defs/consts.stderr b/tests/ui/lint/non-local-defs/consts.stderr index 2756ea401387..48bdaa60823f 100644 --- a/tests/ui/lint/non-local-defs/consts.stderr +++ b/tests/ui/lint/non-local-defs/consts.stderr @@ -67,18 +67,13 @@ LL | impl Test { warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item --> $DIR/consts.rs:50:9 | -LL | const { - | ___________- -LL | | impl Test { - | | ^^^^^---- - | | | - | | `Test` is not local -LL | | -LL | | fn hoo() {} -... | -LL | | 1 -LL | | }; - | |_____- move the `impl` block outside of this inline constant `` and up 2 bodies +LL | fn main() { + | --------- move the `impl` block outside of this function `main` +... +LL | impl Test { + | ^^^^^---- + | | + | `Test` is not local | = note: methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue diff --git a/tests/ui/unpretty/expanded-exhaustive.stdout b/tests/ui/unpretty/expanded-exhaustive.stdout index 325bace7b562..8737063bf3cc 100644 --- a/tests/ui/unpretty/expanded-exhaustive.stdout +++ b/tests/ui/unpretty/expanded-exhaustive.stdout @@ -82,7 +82,8 @@ mod expressions { fn expr_const_block() { const {}; const { 1 }; - const { + const + { struct S; }; } From eae5031ecbda434e92966099e0dc93917de03eff Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Fri, 24 May 2024 09:53:20 +0000 Subject: [PATCH 0659/1716] Cache whether a body has inline consts --- compiler/rustc_ast_lowering/src/expr.rs | 5 ++++- compiler/rustc_ast_lowering/src/lib.rs | 8 +++++++- compiler/rustc_hir/src/hir.rs | 3 +++ compiler/rustc_hir/src/stable_hash_impls.rs | 3 ++- compiler/rustc_middle/src/ty/context.rs | 1 + compiler/rustc_mir_transform/src/lib.rs | 5 ++++- 6 files changed, 21 insertions(+), 4 deletions(-) diff --git a/compiler/rustc_ast_lowering/src/expr.rs b/compiler/rustc_ast_lowering/src/expr.rs index c0a424115aad..eb206a09be31 100644 --- a/compiler/rustc_ast_lowering/src/expr.rs +++ b/compiler/rustc_ast_lowering/src/expr.rs @@ -74,7 +74,10 @@ impl<'hir> LoweringContext<'_, 'hir> { let kind = match &e.kind { ExprKind::Array(exprs) => hir::ExprKind::Array(self.lower_exprs(exprs)), - ExprKind::ConstBlock(c) => hir::ExprKind::ConstBlock(self.lower_expr(c)), + ExprKind::ConstBlock(c) => { + self.has_inline_consts = true; + hir::ExprKind::ConstBlock(self.lower_expr(c)) + } ExprKind::Repeat(expr, count) => { let expr = self.lower_expr(expr); let count = self.lower_array_length(count); diff --git a/compiler/rustc_ast_lowering/src/lib.rs b/compiler/rustc_ast_lowering/src/lib.rs index a9af5ad74592..278049d1347b 100644 --- a/compiler/rustc_ast_lowering/src/lib.rs +++ b/compiler/rustc_ast_lowering/src/lib.rs @@ -96,6 +96,8 @@ struct LoweringContext<'a, 'hir> { /// Bodies inside the owner being lowered. bodies: Vec<(hir::ItemLocalId, &'hir hir::Body<'hir>)>, + /// Whether there were inline consts that typeck will split out into bodies + has_inline_consts: bool, /// Attributes inside the owner being lowered. attrs: SortedMap, /// Collect items that were created by lowering the current owner. @@ -158,6 +160,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { item_local_id_counter: hir::ItemLocalId::ZERO, node_id_to_local_id: Default::default(), trait_map: Default::default(), + has_inline_consts: false, // Lowering state. catch_scope: None, @@ -567,6 +570,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { let current_attrs = std::mem::take(&mut self.attrs); let current_bodies = std::mem::take(&mut self.bodies); + let current_has_inline_consts = std::mem::take(&mut self.has_inline_consts); let current_node_ids = std::mem::take(&mut self.node_id_to_local_id); let current_trait_map = std::mem::take(&mut self.trait_map); let current_owner = @@ -593,6 +597,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { self.attrs = current_attrs; self.bodies = current_bodies; + self.has_inline_consts = current_has_inline_consts; self.node_id_to_local_id = current_node_ids; self.trait_map = current_trait_map; self.current_hir_id_owner = current_owner; @@ -629,6 +634,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { let attrs = std::mem::take(&mut self.attrs); let mut bodies = std::mem::take(&mut self.bodies); let trait_map = std::mem::take(&mut self.trait_map); + let has_inline_consts = std::mem::take(&mut self.has_inline_consts); #[cfg(debug_assertions)] for (id, attrs) in attrs.iter() { @@ -646,7 +652,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { self.tcx.hash_owner_nodes(node, &bodies, &attrs); let num_nodes = self.item_local_id_counter.as_usize(); let (nodes, parenting) = index::index_hir(self.tcx, node, &bodies, num_nodes); - let nodes = hir::OwnerNodes { opt_hash_including_bodies, nodes, bodies }; + let nodes = hir::OwnerNodes { opt_hash_including_bodies, nodes, bodies, has_inline_consts }; let attrs = hir::AttributeMap { map: attrs, opt_hash: attrs_hash }; self.arena.alloc(hir::OwnerInfo { nodes, parenting, attrs, trait_map }) diff --git a/compiler/rustc_hir/src/hir.rs b/compiler/rustc_hir/src/hir.rs index a517e67e5d5a..e64f7aeb11b3 100644 --- a/compiler/rustc_hir/src/hir.rs +++ b/compiler/rustc_hir/src/hir.rs @@ -876,6 +876,9 @@ pub struct OwnerNodes<'tcx> { pub nodes: IndexVec>, /// Content of local bodies. pub bodies: SortedMap>, + /// Whether the body contains inline constants that are created for the query system during typeck + /// of the body. + pub has_inline_consts: bool, } impl<'tcx> OwnerNodes<'tcx> { diff --git a/compiler/rustc_hir/src/stable_hash_impls.rs b/compiler/rustc_hir/src/stable_hash_impls.rs index baa1635f7313..1ebd4b80e183 100644 --- a/compiler/rustc_hir/src/stable_hash_impls.rs +++ b/compiler/rustc_hir/src/stable_hash_impls.rs @@ -93,7 +93,8 @@ impl<'tcx, HirCtx: crate::HashStableContext> HashStable for OwnerNodes<' // `local_id_to_def_id` is also ignored because is dependent on the body, then just hashing // the body satisfies the condition of two nodes being different have different // `hash_stable` results. - let OwnerNodes { opt_hash_including_bodies, nodes: _, bodies: _ } = *self; + let OwnerNodes { opt_hash_including_bodies, nodes: _, bodies: _, has_inline_consts: _ } = + *self; opt_hash_including_bodies.unwrap().hash_stable(hcx, hasher); } } diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index c09cb95de883..51bbe3512187 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -737,6 +737,7 @@ impl<'tcx> TyCtxtFeed<'tcx, LocalDefId> { 1, ), bodies, + has_inline_consts: false, }))); self.feed_owner_id().hir_attrs(attrs); } diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs index b66e3d66f4d3..93ae105150cc 100644 --- a/compiler/rustc_mir_transform/src/lib.rs +++ b/compiler/rustc_mir_transform/src/lib.rs @@ -225,7 +225,10 @@ fn mir_keys(tcx: TyCtxt<'_>, (): ()) -> FxIndexSet { // Inline consts' bodies are created in // typeck instead of during ast lowering, like all other bodies so far. for def_id in tcx.hir().body_owners() { - set.extend(tcx.typeck(def_id).inline_consts.values()) + // Incremental performance optimization: only load typeck results for things that actually have inline consts + if tcx.hir_owner_nodes(tcx.hir().body_owned_by(def_id).hir_id.owner).has_inline_consts { + set.extend(tcx.typeck(def_id).inline_consts.values()) + } } // Additionally, tuple struct/variant constructors have MIR, but From e3e27ba3dd5a5bd9b36f03527ef9fff82cb17dc4 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Fri, 3 May 2024 09:22:55 +0000 Subject: [PATCH 0660/1716] Create const block DefIds in typeck instead of ast lowering --- clippy_utils/src/consts.rs | 6 ++--- clippy_utils/src/hir_utils.rs | 4 ++-- tests/ui/arithmetic_side_effects.stderr | 32 +++++++++++++++++++++---- 3 files changed, 33 insertions(+), 9 deletions(-) diff --git a/clippy_utils/src/consts.rs b/clippy_utils/src/consts.rs index 253ae3aca689..f5d3967d130d 100644 --- a/clippy_utils/src/consts.rs +++ b/clippy_utils/src/consts.rs @@ -6,7 +6,7 @@ use crate::{clip, is_direct_expn_of, sext, unsext}; use rustc_ast::ast::{self, LitFloatType, LitKind}; use rustc_data_structures::sync::Lrc; use rustc_hir::def::{DefKind, Res}; -use rustc_hir::{BinOp, BinOpKind, Block, ConstBlock, Expr, ExprKind, HirId, Item, ItemKind, Node, QPath, UnOp}; +use rustc_hir::{BinOp, BinOpKind, Block, Expr, ExprKind, HirId, Item, ItemKind, Node, QPath, UnOp}; use rustc_lexer::tokenize; use rustc_lint::LateContext; use rustc_middle::mir::interpret::{alloc_range, Scalar}; @@ -412,7 +412,7 @@ impl<'a, 'tcx> ConstEvalLateContext<'a, 'tcx> { /// Simple constant folding: Insert an expression, get a constant or none. pub fn expr(&mut self, e: &Expr<'_>) -> Option> { match e.kind { - ExprKind::ConstBlock(ConstBlock { body, .. }) => self.expr(self.lcx.tcx.hir().body(body).value), + ExprKind::ConstBlock(e) | ExprKind::DropTemps(e) => self.expr(e), ExprKind::Path(ref qpath) => { self.fetch_path_and_apply(qpath, e.hir_id, self.typeck_results.expr_ty(e), |this, result| { @@ -491,7 +491,7 @@ impl<'a, 'tcx> ConstEvalLateContext<'a, 'tcx> { /// leaves the local crate. pub fn expr_is_empty(&mut self, e: &Expr<'_>) -> Option { match e.kind { - ExprKind::ConstBlock(ConstBlock { body, .. }) => self.expr_is_empty(self.lcx.tcx.hir().body(body).value), + ExprKind::ConstBlock(e) | ExprKind::DropTemps(e) => self.expr_is_empty(e), ExprKind::Path(ref qpath) => { if !self diff --git a/clippy_utils/src/hir_utils.rs b/clippy_utils/src/hir_utils.rs index 9f285621e0c9..cc5ccd4053a2 100644 --- a/clippy_utils/src/hir_utils.rs +++ b/clippy_utils/src/hir_utils.rs @@ -295,7 +295,7 @@ impl HirEqInterExpr<'_, '_, '_> { self.eq_expr(lx, rx) && self.eq_ty(lt, rt) }, (&ExprKind::Closure(_l), &ExprKind::Closure(_r)) => false, - (&ExprKind::ConstBlock(lb), &ExprKind::ConstBlock(rb)) => self.eq_body(lb.body, rb.body), + (&ExprKind::ConstBlock(lb), &ExprKind::ConstBlock(rb)) => self.eq_expr(lb, rb), (&ExprKind::Continue(li), &ExprKind::Continue(ri)) => { both(&li.label, &ri.label, |l, r| l.ident.name == r.ident.name) }, @@ -770,7 +770,7 @@ impl<'a, 'tcx> SpanlessHash<'a, 'tcx> { self.hash_expr(self.cx.tcx.hir().body(body).value); }, ExprKind::ConstBlock(ref l_id) => { - self.hash_body(l_id.body); + self.hash_expr(l_id); }, ExprKind::DropTemps(e) | ExprKind::Yield(e, _) => { self.hash_expr(e); diff --git a/tests/ui/arithmetic_side_effects.stderr b/tests/ui/arithmetic_side_effects.stderr index 8039c0bfa248..df14ff396f6c 100644 --- a/tests/ui/arithmetic_side_effects.stderr +++ b/tests/ui/arithmetic_side_effects.stderr @@ -1,11 +1,35 @@ +error: arithmetic operation that can potentially result in unexpected side-effects + --> tests/ui/arithmetic_side_effects.rs:188:36 + | +LL | let _ = const { let mut n = 1; n += 1; n }; + | ^^^^^^ + | + = note: `-D clippy::arithmetic-side-effects` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::arithmetic_side_effects)]` + +error: arithmetic operation that can potentially result in unexpected side-effects + --> tests/ui/arithmetic_side_effects.rs:191:40 + | +LL | let _ = const { let mut n = 1; n = n + 1; n }; + | ^^^^^ + +error: arithmetic operation that can potentially result in unexpected side-effects + --> tests/ui/arithmetic_side_effects.rs:194:40 + | +LL | let _ = const { let mut n = 1; n = 1 + n; n }; + | ^^^^^ + +error: arithmetic operation that can potentially result in unexpected side-effects + --> tests/ui/arithmetic_side_effects.rs:200:59 + | +LL | let _ = const { let mut n = 1; n = -1; n = -(-1); n = -n; n }; + | ^^ + error: arithmetic operation that can potentially result in unexpected side-effects --> tests/ui/arithmetic_side_effects.rs:304:5 | LL | _n += 1; | ^^^^^^^ - | - = note: `-D clippy::arithmetic-side-effects` implied by `-D warnings` - = help: to override `-D warnings` add `#[allow(clippy::arithmetic_side_effects)]` error: arithmetic operation that can potentially result in unexpected side-effects --> tests/ui/arithmetic_side_effects.rs:305:5 @@ -727,5 +751,5 @@ error: arithmetic operation that can potentially result in unexpected side-effec LL | one.sub_assign(1); | ^^^^^^^^^^^^^^^^^ -error: aborting due to 121 previous errors +error: aborting due to 125 previous errors From ac7e836834554ec7205fd8bbb5e1c44ce7d8299f Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Tue, 28 May 2024 09:50:47 +0000 Subject: [PATCH 0661/1716] Bless codegen test --- ...-type-metadata-id-itanium-cxx-abi-paths.rs | 44 ++++++++++--------- 1 file changed, 23 insertions(+), 21 deletions(-) diff --git a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-paths.rs b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-paths.rs index 6c3d991af9f1..4e5ad8ad4a93 100644 --- a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-paths.rs +++ b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-paths.rs @@ -4,7 +4,7 @@ //@ needs-sanitizer-cfi //@ compile-flags: -Clto -Cno-prepopulate-passes -Copt-level=0 -Zsanitizer=cfi -Ctarget-feature=-crt-static -#![crate_type="lib"] +#![crate_type = "lib"] #![feature(type_alias_impl_trait)] extern crate core; @@ -14,14 +14,15 @@ pub type Type2 = impl Send; pub type Type3 = impl Send; pub type Type4 = impl Send; -pub fn foo() where +pub fn foo() +where Type1: 'static, Type2: 'static, Type3: 'static, Type4: 'static, { // Type in extern path - extern { + extern "C" { fn bar(); } let _: Type1 = bar; @@ -35,43 +36,44 @@ pub fn foo() where // Type in const path const { pub struct Foo; - fn bar() -> Type3 { Foo } + fn bar() -> Type3 { + Foo + } }; - // Type in impl path struct Foo; impl Foo { - fn bar(&self) { } + fn bar(&self) {} } let _: Type4 = ::bar; } // Force arguments to be passed by using a reference. Otherwise, they may end up PassMode::Ignore -pub fn foo1(_: &Type1) { } +pub fn foo1(_: &Type1) {} // CHECK: define{{.*}}4foo1{{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo2(_: &Type1, _: &Type1) { } +pub fn foo2(_: &Type1, _: &Type1) {} // CHECK: define{{.*}}4foo2{{.*}}!type ![[TYPE2:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo3(_: &Type1, _: &Type1, _: &Type1) { } +pub fn foo3(_: &Type1, _: &Type1, _: &Type1) {} // CHECK: define{{.*}}4foo3{{.*}}!type ![[TYPE3:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo4(_: &Type2) { } +pub fn foo4(_: &Type2) {} // CHECK: define{{.*}}4foo4{{.*}}!type ![[TYPE4:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo5(_: &Type2, _: &Type2) { } +pub fn foo5(_: &Type2, _: &Type2) {} // CHECK: define{{.*}}4foo5{{.*}}!type ![[TYPE5:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo6(_: &Type2, _: &Type2, _: &Type2) { } +pub fn foo6(_: &Type2, _: &Type2, _: &Type2) {} // CHECK: define{{.*}}4foo6{{.*}}!type ![[TYPE6:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo7(_: &Type3) { } +pub fn foo7(_: &Type3) {} // CHECK: define{{.*}}4foo7{{.*}}!type ![[TYPE7:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo8(_: &Type3, _: &Type3) { } +pub fn foo8(_: &Type3, _: &Type3) {} // CHECK: define{{.*}}4foo8{{.*}}!type ![[TYPE8:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo9(_: &Type3, _: &Type3, _: &Type3) { } +pub fn foo9(_: &Type3, _: &Type3, _: &Type3) {} // CHECK: define{{.*}}4foo9{{.*}}!type ![[TYPE9:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo10(_: &Type4) { } +pub fn foo10(_: &Type4) {} // CHECK: define{{.*}}5foo10{{.*}}!type ![[TYPE10:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo11(_: &Type4, _: &Type4) { } +pub fn foo11(_: &Type4, _: &Type4) {} // CHECK: define{{.*}}5foo11{{.*}}!type ![[TYPE11:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} -pub fn foo12(_: &Type4, _: &Type4, _: &Type4) { } +pub fn foo12(_: &Type4, _: &Type4, _: &Type4) {} // CHECK: define{{.*}}5foo12{{.*}}!type ![[TYPE12:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} // CHECK: ![[TYPE1]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NvNFNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo10{{[{}][{}]}}extern{{[}][}]}}3barEE"} @@ -80,9 +82,9 @@ pub fn foo12(_: &Type4, _: &Type4, _: &Type4) { } // CHECK: ![[TYPE4]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NtNCNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo11{{[{}][{}]}}closure{{[}][}]}}3FooEE"} // CHECK: ![[TYPE5]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NtNCNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo11{{[{}][{}]}}closure{{[}][}]}}3FooES0_E"} // CHECK: ![[TYPE6]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NtNCNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo11{{[{}][{}]}}closure{{[}][}]}}3FooES0_S0_E"} -// CHECK: ![[TYPE7]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NtNkNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo12{{[{}][{}]}}constant{{[}][}]}}3FooEE"} -// CHECK: ![[TYPE8]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NtNkNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo12{{[{}][{}]}}constant{{[}][}]}}3FooES0_E"} -// CHECK: ![[TYPE9]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NtNkNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo12{{[{}][{}]}}constant{{[}][}]}}3FooES0_S0_E"} +// CHECK: ![[TYPE7]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NtNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo3FooEE"} +// CHECK: ![[TYPE8]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NtNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo3FooES0_E"} +// CHECK: ![[TYPE9]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NtNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo3FooES0_S0_E"} // CHECK: ![[TYPE10]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NvNINvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo8{{[{}][{}]}}impl{{[}][}]}}3barEE"} // CHECK: ![[TYPE11]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NvNINvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo8{{[{}][{}]}}impl{{[}][}]}}3barES0_E"} // CHECK: ![[TYPE12]] = !{i64 0, !"_ZTSFvu3refIu{{[0-9]+}}NvNINvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo8{{[{}][{}]}}impl{{[}][}]}}3barES0_S0_E"} From e15564672e4e35a8697b717d49db1bfc6579c612 Mon Sep 17 00:00:00 2001 From: Amanda Stjerna Date: Tue, 28 May 2024 15:49:22 +0200 Subject: [PATCH 0662/1716] Make drop-use fact collection simpler for `polonius` This shunts all the complexity of siphoning off the drop-use facts into `LivenessResults::add_extra_drop_facts()`, which may or may not be a good approach. --- .../src/type_check/liveness/mod.rs | 11 ++---- .../src/type_check/liveness/polonius.rs | 19 +++------- .../src/type_check/liveness/trace.rs | 35 ++++++++++++++----- compiler/rustc_borrowck/src/type_check/mod.rs | 10 +----- 4 files changed, 34 insertions(+), 41 deletions(-) diff --git a/compiler/rustc_borrowck/src/type_check/liveness/mod.rs b/compiler/rustc_borrowck/src/type_check/liveness/mod.rs index 38ec9f7678eb..8b863efad6ca 100644 --- a/compiler/rustc_borrowck/src/type_check/liveness/mod.rs +++ b/compiler/rustc_borrowck/src/type_check/liveness/mod.rs @@ -14,7 +14,6 @@ use std::rc::Rc; use crate::{ constraints::OutlivesConstraintSet, facts::{AllFacts, AllFactsExt}, - location::LocationTable, region_infer::values::LivenessValues, universal_regions::UniversalRegions, }; @@ -39,7 +38,6 @@ pub(super) fn generate<'mir, 'tcx>( elements: &Rc, flow_inits: &mut ResultsCursor<'mir, 'tcx, MaybeInitializedPlaces<'mir, 'tcx>>, move_data: &MoveData<'tcx>, - location_table: &LocationTable, use_polonius: bool, ) { debug!("liveness::generate"); @@ -53,11 +51,9 @@ pub(super) fn generate<'mir, 'tcx>( compute_relevant_live_locals(typeck.tcx(), &free_regions, body); let facts_enabled = use_polonius || AllFacts::enabled(typeck.tcx()); - let polonius_drop_used = facts_enabled.then(|| { - let mut drop_used = Vec::new(); - polonius::populate_access_facts(typeck, body, location_table, move_data, &mut drop_used); - drop_used - }); + if facts_enabled { + polonius::populate_access_facts(typeck, body, move_data); + }; trace::trace( typeck, @@ -67,7 +63,6 @@ pub(super) fn generate<'mir, 'tcx>( move_data, relevant_live_locals, boring_locals, - polonius_drop_used, ); // Mark regions that should be live where they appear within rvalues or within a call: like diff --git a/compiler/rustc_borrowck/src/type_check/liveness/polonius.rs b/compiler/rustc_borrowck/src/type_check/liveness/polonius.rs index 808df1d66cb1..d8f03a07a63c 100644 --- a/compiler/rustc_borrowck/src/type_check/liveness/polonius.rs +++ b/compiler/rustc_borrowck/src/type_check/liveness/polonius.rs @@ -14,7 +14,7 @@ struct UseFactsExtractor<'me, 'tcx> { var_defined_at: &'me mut VarPointRelation, var_used_at: &'me mut VarPointRelation, location_table: &'me LocationTable, - var_dropped_at: &'me mut Vec<(Local, Location)>, + var_dropped_at: &'me mut VarPointRelation, move_data: &'me MoveData<'tcx>, path_accessed_at_base: &'me mut PathPointRelation, } @@ -37,7 +37,7 @@ impl<'tcx> UseFactsExtractor<'_, 'tcx> { fn insert_drop_use(&mut self, local: Local, location: Location) { debug!("UseFactsExtractor::insert_drop_use()"); - self.var_dropped_at.push((local, location)); + self.var_dropped_at.push((local, self.location_to_index(location))); } fn insert_path_access(&mut self, path: MovePathIndex, location: Location) { @@ -85,33 +85,22 @@ impl<'a, 'tcx> Visitor<'tcx> for UseFactsExtractor<'a, 'tcx> { pub(super) fn populate_access_facts<'a, 'tcx>( typeck: &mut TypeChecker<'a, 'tcx>, body: &Body<'tcx>, - location_table: &LocationTable, move_data: &MoveData<'tcx>, - // FIXME: this is an inelegant way of squirreling away a - // copy of `var_dropped_at` in the original `Location` format - // for later use in `trace::trace()`, which updates some liveness- - // internal data based on what Polonius saw. - // Ideally, that part would access the Polonius facts directly, and this - // would be regular facts gathering. - dropped_at: &mut Vec<(Local, Location)>, ) { debug!("populate_access_facts()"); + let location_table = typeck.borrowck_context.location_table; if let Some(facts) = typeck.borrowck_context.all_facts.as_mut() { let mut extractor = UseFactsExtractor { var_defined_at: &mut facts.var_defined_at, var_used_at: &mut facts.var_used_at, - var_dropped_at: dropped_at, + var_dropped_at: &mut facts.var_dropped_at, path_accessed_at_base: &mut facts.path_accessed_at_base, location_table, move_data, }; extractor.visit_body(body); - facts.var_dropped_at.extend( - dropped_at.iter().map(|&(local, location)| (local, location_table.mid_index(location))), - ); - for (local, local_decl) in body.local_decls.iter_enumerated() { debug!( "add use_of_var_derefs_origin facts - local={:?}, type={:?}", diff --git a/compiler/rustc_borrowck/src/type_check/liveness/trace.rs b/compiler/rustc_borrowck/src/type_check/liveness/trace.rs index 6cc0e67c0f80..92b70a09a885 100644 --- a/compiler/rustc_borrowck/src/type_check/liveness/trace.rs +++ b/compiler/rustc_borrowck/src/type_check/liveness/trace.rs @@ -16,6 +16,7 @@ use rustc_mir_dataflow::impls::MaybeInitializedPlaces; use rustc_mir_dataflow::move_paths::{HasMoveData, MoveData, MovePathIndex}; use rustc_mir_dataflow::ResultsCursor; +use crate::location::RichLocation; use crate::{ region_infer::values::{self, LiveLoans}, type_check::liveness::local_use_map::LocalUseMap, @@ -46,7 +47,6 @@ pub(super) fn trace<'mir, 'tcx>( move_data: &MoveData<'tcx>, relevant_live_locals: Vec, boring_locals: Vec, - polonius_drop_used: Option>, ) { let local_use_map = &LocalUseMap::build(&relevant_live_locals, elements, body); @@ -81,6 +81,8 @@ pub(super) fn trace<'mir, 'tcx>( borrowck_context.constraints.liveness_constraints.loans = Some(live_loans); }; + let polonius_facts_gathered = typeck.borrowck_context.all_facts.is_some(); + let cx = LivenessContext { typeck, body, @@ -93,8 +95,8 @@ pub(super) fn trace<'mir, 'tcx>( let mut results = LivenessResults::new(cx); - if let Some(drop_used) = polonius_drop_used { - results.add_extra_drop_facts(drop_used, relevant_live_locals.iter().copied().collect()) + if polonius_facts_gathered { + results.add_extra_drop_facts(relevant_live_locals.iter().copied().collect()); } results.compute_for_all_locals(relevant_live_locals); @@ -218,17 +220,32 @@ impl<'me, 'typeck, 'flow, 'tcx> LivenessResults<'me, 'typeck, 'flow, 'tcx> { /// /// Add facts for all locals with free regions, since regions may outlive /// the function body only at certain nodes in the CFG. - fn add_extra_drop_facts( - &mut self, - drop_used: Vec<(Local, Location)>, - relevant_live_locals: FxIndexSet, - ) { + fn add_extra_drop_facts(&mut self, relevant_live_locals: FxIndexSet) { + let drop_used = self + .cx + .typeck + .borrowck_context + .all_facts + .as_ref() + .map(|facts| facts.var_dropped_at.clone()) + .into_iter() + .flatten(); let locations = IntervalSet::new(self.cx.elements.num_points()); - for (local, location) in drop_used { + for (local, location_index) in drop_used { if !relevant_live_locals.contains(&local) { let local_ty = self.cx.body.local_decls[local].ty; if local_ty.has_free_regions() { + let location = match self + .cx + .typeck + .borrowck_context + .location_table + .to_location(location_index) + { + RichLocation::Start(l) => l, + RichLocation::Mid(l) => l, + }; self.cx.add_drop_live_facts_for(local, local_ty, &[location], &locations); } } diff --git a/compiler/rustc_borrowck/src/type_check/mod.rs b/compiler/rustc_borrowck/src/type_check/mod.rs index 4e46a0c62c7c..a05fa967af03 100644 --- a/compiler/rustc_borrowck/src/type_check/mod.rs +++ b/compiler/rustc_borrowck/src/type_check/mod.rs @@ -188,15 +188,7 @@ pub(crate) fn type_check<'mir, 'tcx>( checker.equate_inputs_and_outputs(body, universal_regions, &normalized_inputs_and_output); checker.check_signature_annotation(body); - liveness::generate( - &mut checker, - body, - elements, - flow_inits, - move_data, - location_table, - use_polonius, - ); + liveness::generate(&mut checker, body, elements, flow_inits, move_data, use_polonius); translate_outlives_facts(&mut checker); let opaque_type_values = infcx.take_opaque_types(); From 8066ebc294f110a758fb2b44a68138db10d38ce0 Mon Sep 17 00:00:00 2001 From: Amanda Stjerna Date: Tue, 28 May 2024 16:02:09 +0200 Subject: [PATCH 0663/1716] Move the rest of the logic into `add_extra_drop_facts()` --- .../src/type_check/liveness/trace.rs | 16 +++++++--------- 1 file changed, 7 insertions(+), 9 deletions(-) diff --git a/compiler/rustc_borrowck/src/type_check/liveness/trace.rs b/compiler/rustc_borrowck/src/type_check/liveness/trace.rs index 92b70a09a885..50843c602cc8 100644 --- a/compiler/rustc_borrowck/src/type_check/liveness/trace.rs +++ b/compiler/rustc_borrowck/src/type_check/liveness/trace.rs @@ -81,8 +81,6 @@ pub(super) fn trace<'mir, 'tcx>( borrowck_context.constraints.liveness_constraints.loans = Some(live_loans); }; - let polonius_facts_gathered = typeck.borrowck_context.all_facts.is_some(); - let cx = LivenessContext { typeck, body, @@ -95,9 +93,7 @@ pub(super) fn trace<'mir, 'tcx>( let mut results = LivenessResults::new(cx); - if polonius_facts_gathered { - results.add_extra_drop_facts(relevant_live_locals.iter().copied().collect()); - } + results.add_extra_drop_facts(&relevant_live_locals); results.compute_for_all_locals(relevant_live_locals); @@ -220,16 +216,17 @@ impl<'me, 'typeck, 'flow, 'tcx> LivenessResults<'me, 'typeck, 'flow, 'tcx> { /// /// Add facts for all locals with free regions, since regions may outlive /// the function body only at certain nodes in the CFG. - fn add_extra_drop_facts(&mut self, relevant_live_locals: FxIndexSet) { + fn add_extra_drop_facts(&mut self, relevant_live_locals: &[Local]) -> Option<()> { let drop_used = self .cx .typeck .borrowck_context .all_facts .as_ref() - .map(|facts| facts.var_dropped_at.clone()) - .into_iter() - .flatten(); + .map(|facts| facts.var_dropped_at.clone())?; + + let relevant_live_locals: FxIndexSet<_> = relevant_live_locals.iter().copied().collect(); + let locations = IntervalSet::new(self.cx.elements.num_points()); for (local, location_index) in drop_used { @@ -250,6 +247,7 @@ impl<'me, 'typeck, 'flow, 'tcx> LivenessResults<'me, 'typeck, 'flow, 'tcx> { } } } + Some(()) } /// Clear the value of fields that are "per local variable". From 37c54db477b06ade1cb69b4fd1af46184b650a43 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Esteban=20K=C3=BCber?= Date: Tue, 21 May 2024 19:12:05 +0000 Subject: [PATCH 0664/1716] Silence some resolve errors when there have been glob import errors When encountering `use foo::*;` where `foo` fails to be found, and we later encounter resolution errors, we silence those later errors. A single case of the above, for an *existing* import on a big codebase would otherwise have a huge number of knock-down spurious errors. Ideally, instead of a global flag to silence all subsequent resolve errors, we'd want to introduce an unameable binding in the appropriate rib as a sentinel when there's a failed glob import, so when we encounter a resolve error we can search for that sentinel and if found, and only then, silence that error. The current approach is just a quick proof of concept to iterate over. Partially address #96799. --- compiler/rustc_resolve/src/imports.rs | 22 +++++++--- compiler/rustc_resolve/src/late.rs | 5 ++- compiler/rustc_resolve/src/lib.rs | 4 +- .../ui/imports/import-from-missing-star-2.rs | 12 ++++++ .../imports/import-from-missing-star-2.stderr | 11 +++++ .../ui/imports/import-from-missing-star-3.rs | 43 +++++++++++++++++++ .../imports/import-from-missing-star-3.stderr | 19 ++++++++ tests/ui/imports/import-from-missing-star.rs | 10 +++++ .../imports/import-from-missing-star.stderr | 11 +++++ tests/ui/imports/issue-31212.rs | 2 +- tests/ui/imports/issue-31212.stderr | 11 +---- 11 files changed, 131 insertions(+), 19 deletions(-) create mode 100644 tests/ui/imports/import-from-missing-star-2.rs create mode 100644 tests/ui/imports/import-from-missing-star-2.stderr create mode 100644 tests/ui/imports/import-from-missing-star-3.rs create mode 100644 tests/ui/imports/import-from-missing-star-3.stderr create mode 100644 tests/ui/imports/import-from-missing-star.rs create mode 100644 tests/ui/imports/import-from-missing-star.stderr diff --git a/compiler/rustc_resolve/src/imports.rs b/compiler/rustc_resolve/src/imports.rs index 3d9380a3ebd3..f44eb1aae3ee 100644 --- a/compiler/rustc_resolve/src/imports.rs +++ b/compiler/rustc_resolve/src/imports.rs @@ -536,6 +536,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { let determined_imports = mem::take(&mut self.determined_imports); let indeterminate_imports = mem::take(&mut self.indeterminate_imports); + let mut glob_error = false; for (is_indeterminate, import) in determined_imports .iter() .map(|i| (false, i)) @@ -547,6 +548,8 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { self.import_dummy_binding(*import, is_indeterminate); if let Some(err) = unresolved_import_error { + glob_error |= import.is_glob(); + if let ImportKind::Single { source, ref source_bindings, .. } = import.kind { if source.name == kw::SelfLower { // Silence `unresolved import` error if E0429 is already emitted @@ -562,7 +565,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { { // In the case of a new import line, throw a diagnostic message // for the previous line. - self.throw_unresolved_import_error(errors); + self.throw_unresolved_import_error(errors, glob_error); errors = vec![]; } if seen_spans.insert(err.span) { @@ -573,7 +576,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { } if !errors.is_empty() { - self.throw_unresolved_import_error(errors); + self.throw_unresolved_import_error(errors, glob_error); return; } @@ -599,9 +602,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { } } - if !errors.is_empty() { - self.throw_unresolved_import_error(errors); - } + self.throw_unresolved_import_error(errors, glob_error); } pub(crate) fn check_hidden_glob_reexports( @@ -673,7 +674,11 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { } } - fn throw_unresolved_import_error(&mut self, errors: Vec<(Import<'_>, UnresolvedImportError)>) { + fn throw_unresolved_import_error( + &mut self, + errors: Vec<(Import<'_>, UnresolvedImportError)>, + glob_error: bool, + ) { if errors.is_empty() { return; } @@ -752,7 +757,10 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { } } - diag.emit(); + let guar = diag.emit(); + if glob_error { + self.glob_error = Some(guar); + } } /// Attempts to resolve the given import, returning: diff --git a/compiler/rustc_resolve/src/late.rs b/compiler/rustc_resolve/src/late.rs index 322f2922f925..37d9b1a573b6 100644 --- a/compiler/rustc_resolve/src/late.rs +++ b/compiler/rustc_resolve/src/late.rs @@ -4039,9 +4039,12 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { } #[inline] - /// If we're actually rustdoc then avoid giving a name resolution error for `cfg()` items. + /// If we're actually rustdoc then avoid giving a name resolution error for `cfg()` items or + // an invalid `use foo::*;` was found, which can cause unbounded ammounts of "item not found" + // errors. We silence them all. fn should_report_errs(&self) -> bool { !(self.r.tcx.sess.opts.actually_rustdoc && self.in_func_body) + && !self.r.glob_error.is_some() } // Resolve in alternative namespaces if resolution in the primary namespace fails. diff --git a/compiler/rustc_resolve/src/lib.rs b/compiler/rustc_resolve/src/lib.rs index af0b4792136c..8d4f3c26d954 100644 --- a/compiler/rustc_resolve/src/lib.rs +++ b/compiler/rustc_resolve/src/lib.rs @@ -37,7 +37,7 @@ use rustc_data_structures::fx::{FxHashMap, FxHashSet, FxIndexMap, FxIndexSet}; use rustc_data_structures::intern::Interned; use rustc_data_structures::steal::Steal; use rustc_data_structures::sync::{FreezeReadGuard, Lrc}; -use rustc_errors::{Applicability, Diag, ErrCode}; +use rustc_errors::{Applicability, Diag, ErrCode, ErrorGuaranteed}; use rustc_expand::base::{DeriveResolution, SyntaxExtension, SyntaxExtensionKind}; use rustc_feature::BUILTIN_ATTRIBUTES; use rustc_hir::def::Namespace::{self, *}; @@ -1052,6 +1052,7 @@ pub struct Resolver<'a, 'tcx> { /// Maps glob imports to the names of items actually imported. glob_map: FxHashMap>, + glob_error: Option, visibilities_for_hashing: Vec<(LocalDefId, ty::Visibility)>, used_imports: FxHashSet, maybe_unused_trait_imports: FxIndexSet, @@ -1421,6 +1422,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { ast_transform_scopes: FxHashMap::default(), glob_map: Default::default(), + glob_error: None, visibilities_for_hashing: Default::default(), used_imports: FxHashSet::default(), maybe_unused_trait_imports: Default::default(), diff --git a/tests/ui/imports/import-from-missing-star-2.rs b/tests/ui/imports/import-from-missing-star-2.rs new file mode 100644 index 000000000000..cb341b0b0ca4 --- /dev/null +++ b/tests/ui/imports/import-from-missing-star-2.rs @@ -0,0 +1,12 @@ +mod foo { + use spam::*; //~ ERROR unresolved import `spam` [E0432] +} + +fn main() { + // Expect this to pass because the compiler knows there's a failed `*` import in `foo` that + // might have caused it. + foo::bar(); + // FIXME: these two should *fail* because they can't be fixed by fixing the glob import in `foo` + ham(); // should error but doesn't + eggs(); // should error but doesn't +} diff --git a/tests/ui/imports/import-from-missing-star-2.stderr b/tests/ui/imports/import-from-missing-star-2.stderr new file mode 100644 index 000000000000..ea3876248c93 --- /dev/null +++ b/tests/ui/imports/import-from-missing-star-2.stderr @@ -0,0 +1,11 @@ +error[E0432]: unresolved import `spam` + --> $DIR/import-from-missing-star-2.rs:2:9 + | +LL | use spam::*; + | ^^^^ maybe a missing crate `spam`? + | + = help: consider adding `extern crate spam` to use the `spam` crate + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0432`. diff --git a/tests/ui/imports/import-from-missing-star-3.rs b/tests/ui/imports/import-from-missing-star-3.rs new file mode 100644 index 000000000000..bec51fd47b37 --- /dev/null +++ b/tests/ui/imports/import-from-missing-star-3.rs @@ -0,0 +1,43 @@ +mod foo { + use spam::*; //~ ERROR unresolved import `spam` [E0432] + + fn x() { + // Expect these to pass because the compiler knows there's a failed `*` import that might + // fix it. + eggs(); + foo::bar(); + } +} + +mod bar { + fn z() {} + fn x() { + // Expect these to pass because the compiler knows there's a failed `*` import that might + // fix it. + foo::bar(); + z(); + // FIXME: should error but doesn't because as soon as there's a single glob import error, we + // silence all resolve errors. + eggs(); + } +} + +mod baz { + fn x() { + use spam::*; //~ ERROR unresolved import `spam` [E0432] + fn qux() {} + qux(); + // Expect this to pass because the compiler knows there's a local failed `*` import that + // might have caused it. + eggs(); + // Expect this to pass because the compiler knows there's a failed `*` import in `foo` that + // might have caused it. + foo::bar(); + } +} + +fn main() { + // FIXME: should error but doesn't because as soon as there's a single glob import error, we + // silence all resolve errors. + ham(); +} diff --git a/tests/ui/imports/import-from-missing-star-3.stderr b/tests/ui/imports/import-from-missing-star-3.stderr new file mode 100644 index 000000000000..1fe5d4f19a97 --- /dev/null +++ b/tests/ui/imports/import-from-missing-star-3.stderr @@ -0,0 +1,19 @@ +error[E0432]: unresolved import `spam` + --> $DIR/import-from-missing-star-3.rs:2:9 + | +LL | use spam::*; + | ^^^^ maybe a missing crate `spam`? + | + = help: consider adding `extern crate spam` to use the `spam` crate + +error[E0432]: unresolved import `spam` + --> $DIR/import-from-missing-star-3.rs:27:13 + | +LL | use spam::*; + | ^^^^ maybe a missing crate `spam`? + | + = help: consider adding `extern crate spam` to use the `spam` crate + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0432`. diff --git a/tests/ui/imports/import-from-missing-star.rs b/tests/ui/imports/import-from-missing-star.rs new file mode 100644 index 000000000000..cb21e16ba677 --- /dev/null +++ b/tests/ui/imports/import-from-missing-star.rs @@ -0,0 +1,10 @@ +use spam::*; //~ ERROR unresolved import `spam` [E0432] + +fn main() { + // Expect these to pass because the compiler knows there's a failed `*` import that might have + // caused it. + ham(); + eggs(); + // Even this case, as we might have expected `spam::foo` to exist. + foo::bar(); +} diff --git a/tests/ui/imports/import-from-missing-star.stderr b/tests/ui/imports/import-from-missing-star.stderr new file mode 100644 index 000000000000..f8e295078047 --- /dev/null +++ b/tests/ui/imports/import-from-missing-star.stderr @@ -0,0 +1,11 @@ +error[E0432]: unresolved import `spam` + --> $DIR/import-from-missing-star.rs:1:5 + | +LL | use spam::*; + | ^^^^ maybe a missing crate `spam`? + | + = help: consider adding `extern crate spam` to use the `spam` crate + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0432`. diff --git a/tests/ui/imports/issue-31212.rs b/tests/ui/imports/issue-31212.rs index 556f0d18f9f2..fe69c5af2706 100644 --- a/tests/ui/imports/issue-31212.rs +++ b/tests/ui/imports/issue-31212.rs @@ -6,5 +6,5 @@ mod foo { } fn main() { - foo::f(); //~ ERROR cannot find function `f` in module `foo` + foo::f(); // cannot find function `f` in module `foo`, but silenced } diff --git a/tests/ui/imports/issue-31212.stderr b/tests/ui/imports/issue-31212.stderr index 0bb56b361cbb..5bba791fd020 100644 --- a/tests/ui/imports/issue-31212.stderr +++ b/tests/ui/imports/issue-31212.stderr @@ -4,13 +4,6 @@ error[E0432]: unresolved import `self::*` LL | pub use self::*; | ^^^^^^^ cannot glob-import a module into itself -error[E0425]: cannot find function `f` in module `foo` - --> $DIR/issue-31212.rs:9:10 - | -LL | foo::f(); - | ^ not found in `foo` +error: aborting due to 1 previous error -error: aborting due to 2 previous errors - -Some errors have detailed explanations: E0425, E0432. -For more information about an error, try `rustc --explain E0425`. +For more information about this error, try `rustc --explain E0432`. From 50a5da16b815d7ff6f145cb86ea5c146b1c95329 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sun, 19 May 2024 11:37:56 -0400 Subject: [PATCH 0665/1716] EvalCtxt::tcx() -> EvalCtxt::interner() --- .../src/solve/alias_relate.rs | 2 +- .../src/solve/assembly/mod.rs | 28 +++++----- .../src/solve/assembly/structural_traits.rs | 22 ++++---- .../src/solve/eval_ctxt/canonical.rs | 10 ++-- .../src/solve/eval_ctxt/mod.rs | 22 ++++---- .../rustc_trait_selection/src/solve/mod.rs | 4 +- .../src/solve/normalizes_to/anon_const.rs | 2 +- .../src/solve/normalizes_to/inherent.rs | 2 +- .../src/solve/normalizes_to/mod.rs | 49 ++++++++++-------- .../src/solve/normalizes_to/opaque_types.rs | 4 +- .../src/solve/normalizes_to/weak_types.rs | 2 +- .../src/solve/project_goals.rs | 2 +- .../src/solve/trait_goals.rs | 51 ++++++++++--------- 13 files changed, 108 insertions(+), 92 deletions(-) diff --git a/compiler/rustc_trait_selection/src/solve/alias_relate.rs b/compiler/rustc_trait_selection/src/solve/alias_relate.rs index 33b30bef6832..4d7e2fc2cefa 100644 --- a/compiler/rustc_trait_selection/src/solve/alias_relate.rs +++ b/compiler/rustc_trait_selection/src/solve/alias_relate.rs @@ -26,7 +26,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { &mut self, goal: Goal<'tcx, (ty::Term<'tcx>, ty::Term<'tcx>, ty::AliasRelationDirection)>, ) -> QueryResult<'tcx> { - let tcx = self.tcx(); + let tcx = self.interner(); let Goal { param_env, predicate: (lhs, rhs, direction) } = goal; debug_assert!(lhs.to_alias_term().is_some() || rhs.to_alias_term().is_some()); diff --git a/compiler/rustc_trait_selection/src/solve/assembly/mod.rs b/compiler/rustc_trait_selection/src/solve/assembly/mod.rs index 115244106928..aae6fa9f635b 100644 --- a/compiler/rustc_trait_selection/src/solve/assembly/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/assembly/mod.rs @@ -83,7 +83,7 @@ pub(super) trait GoalKind<'tcx>: assumption: ty::Clause<'tcx>, ) -> Result, NoSolution> { Self::probe_and_match_goal_against_assumption(ecx, source, goal, assumption, |ecx| { - let tcx = ecx.tcx(); + let tcx = ecx.interner(); let ty::Dynamic(bounds, _, _) = *goal.predicate.self_ty().kind() else { bug!("expected object type in `probe_and_consider_object_bound_candidate`"); }; @@ -288,8 +288,10 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { return self.forced_ambiguity(MaybeCause::Ambiguity).into_iter().collect(); } - let goal: Goal<'tcx, G> = - goal.with(self.tcx(), goal.predicate.with_self_ty(self.tcx(), normalized_self_ty)); + let goal: Goal<'tcx, G> = goal.with( + self.interner(), + goal.predicate.with_self_ty(self.interner(), normalized_self_ty), + ); // Vars that show up in the rest of the goal substs may have been constrained by // normalizing the self type as well, since type variables are not uniquified. let goal = self.resolve_vars_if_possible(goal); @@ -339,7 +341,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { goal: Goal<'tcx, G>, candidates: &mut Vec>, ) { - let tcx = self.tcx(); + let tcx = self.interner(); let self_ty = goal.predicate.self_ty(); let trait_impls = tcx.trait_impls_of(goal.predicate.trait_def_id(tcx)); let mut consider_impls_for_simplified_type = |simp| { @@ -455,7 +457,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { goal: Goal<'tcx, G>, candidates: &mut Vec>, ) { - let tcx = self.tcx(); + let tcx = self.interner(); let trait_impls = tcx.trait_impls_of(goal.predicate.trait_def_id(tcx)); for &impl_def_id in trait_impls.blanket_impls() { // For every `default impl`, there's always a non-default `impl` @@ -478,7 +480,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { goal: Goal<'tcx, G>, candidates: &mut Vec>, ) { - let tcx = self.tcx(); + let tcx = self.interner(); let lang_items = tcx.lang_items(); let trait_def_id = goal.predicate.trait_def_id(tcx); @@ -505,9 +507,9 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { G::consider_builtin_pointer_like_candidate(self, goal) } else if lang_items.fn_ptr_trait() == Some(trait_def_id) { G::consider_builtin_fn_ptr_trait_candidate(self, goal) - } else if let Some(kind) = self.tcx().fn_trait_kind_from_def_id(trait_def_id) { + } else if let Some(kind) = self.interner().fn_trait_kind_from_def_id(trait_def_id) { G::consider_builtin_fn_trait_candidates(self, goal, kind) - } else if let Some(kind) = self.tcx().async_fn_trait_kind_from_def_id(trait_def_id) { + } else if let Some(kind) = self.interner().async_fn_trait_kind_from_def_id(trait_def_id) { G::consider_builtin_async_fn_trait_candidates(self, goal, kind) } else if lang_items.async_fn_kind_helper() == Some(trait_def_id) { G::consider_builtin_async_fn_kind_helper_candidate(self, goal) @@ -634,7 +636,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { ty::Alias(kind @ (ty::Projection | ty::Opaque), alias_ty) => (kind, alias_ty), ty::Alias(ty::Inherent | ty::Weak, _) => { - self.tcx().sess.dcx().span_delayed_bug( + self.interner().sess.dcx().span_delayed_bug( DUMMY_SP, format!("could not normalize {self_ty}, it is not WF"), ); @@ -643,7 +645,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { }; for assumption in - self.tcx().item_bounds(alias_ty.def_id).instantiate(self.tcx(), alias_ty.args) + self.interner().item_bounds(alias_ty.def_id).instantiate(self.interner(), alias_ty.args) { candidates.extend(G::probe_and_consider_implied_clause( self, @@ -673,7 +675,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { goal: Goal<'tcx, G>, candidates: &mut Vec>, ) { - let tcx = self.tcx(); + let tcx = self.interner(); if !tcx.trait_def(goal.predicate.trait_def_id(tcx)).implement_via_object { return; } @@ -764,7 +766,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { goal: Goal<'tcx, G>, candidates: &mut Vec>, ) { - let tcx = self.tcx(); + let tcx = self.interner(); candidates.extend(self.probe_trait_candidate(CandidateSource::CoherenceUnknowable).enter( |ecx| { @@ -793,7 +795,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { goal: Goal<'tcx, G>, candidates: &mut Vec>, ) { - let tcx = self.tcx(); + let tcx = self.interner(); let trait_goal: Goal<'tcx, ty::TraitPredicate<'tcx>> = goal.with(tcx, goal.predicate.trait_ref(tcx)); diff --git a/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs b/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs index 6f68875e6f63..64d5f725a1f4 100644 --- a/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs +++ b/compiler/rustc_trait_selection/src/solve/assembly/structural_traits.rs @@ -22,7 +22,7 @@ pub(in crate::solve) fn instantiate_constituent_tys_for_auto_trait<'tcx>( ecx: &EvalCtxt<'_, InferCtxt<'tcx>>, ty: Ty<'tcx>, ) -> Result>>, NoSolution> { - let tcx = ecx.tcx(); + let tcx = ecx.interner(); match *ty.kind() { ty::Uint(_) | ty::Int(_) @@ -75,7 +75,7 @@ pub(in crate::solve) fn instantiate_constituent_tys_for_auto_trait<'tcx>( } ty::CoroutineWitness(def_id, args) => Ok(ecx - .tcx() + .interner() .bound_coroutine_hidden_types(def_id) .map(|bty| bty.instantiate(tcx, args)) .collect()), @@ -151,8 +151,8 @@ pub(in crate::solve) fn instantiate_constituent_tys_for_sized_trait<'tcx>( // "best effort" optimization and `sized_constraint` may return `Some`, even // if the ADT is sized for all possible args. ty::Adt(def, args) => { - if let Some(sized_crit) = def.sized_constraint(ecx.tcx()) { - Ok(vec![ty::Binder::dummy(sized_crit.instantiate(ecx.tcx(), args))]) + if let Some(sized_crit) = def.sized_constraint(ecx.interner()) { + Ok(vec![ty::Binder::dummy(sized_crit.instantiate(ecx.interner(), args))]) } else { Ok(vec![]) } @@ -210,10 +210,10 @@ pub(in crate::solve) fn instantiate_constituent_tys_for_copy_clone_trait<'tcx>( // only when `coroutine_clone` is enabled and the coroutine is movable // impl Copy/Clone for Coroutine where T: Copy/Clone forall T in (upvars, witnesses) - ty::Coroutine(def_id, args) => match ecx.tcx().coroutine_movability(def_id) { + ty::Coroutine(def_id, args) => match ecx.interner().coroutine_movability(def_id) { Movability::Static => Err(NoSolution), Movability::Movable => { - if ecx.tcx().features().coroutine_clone { + if ecx.interner().features().coroutine_clone { let coroutine = args.as_coroutine(); Ok(vec![ ty::Binder::dummy(coroutine.tupled_upvars_ty()), @@ -227,9 +227,9 @@ pub(in crate::solve) fn instantiate_constituent_tys_for_copy_clone_trait<'tcx>( // impl Copy/Clone for CoroutineWitness where T: Copy/Clone forall T in coroutine_hidden_types ty::CoroutineWitness(def_id, args) => Ok(ecx - .tcx() + .interner() .bound_coroutine_hidden_types(def_id) - .map(|bty| bty.instantiate(ecx.tcx(), args)) + .map(|bty| bty.instantiate(ecx.interner(), args)) .collect()), } } @@ -666,7 +666,7 @@ pub(in crate::solve) fn predicates_for_object_candidate<'tcx>( trait_ref: ty::TraitRef<'tcx>, object_bound: &'tcx ty::List>, ) -> Vec>> { - let tcx = ecx.tcx(); + let tcx = ecx.interner(); let mut requirements = vec![]; requirements.extend( tcx.super_predicates_of(trait_ref.def_id).instantiate(tcx, trait_ref.args).predicates, @@ -722,7 +722,7 @@ struct ReplaceProjectionWith<'a, 'tcx> { impl<'tcx> TypeFolder> for ReplaceProjectionWith<'_, 'tcx> { fn interner(&self) -> TyCtxt<'tcx> { - self.ecx.tcx() + self.ecx.interner() } fn fold_ty(&mut self, ty: Ty<'tcx>) -> Ty<'tcx> { @@ -739,7 +739,7 @@ impl<'tcx> TypeFolder> for ReplaceProjectionWith<'_, 'tcx> { .eq_and_get_goals( self.param_env, alias_ty, - proj.projection_term.expect_ty(self.ecx.tcx()), + proj.projection_term.expect_ty(self.ecx.interner()), ) .expect("expected to be able to unify goal projection with dyn's projection"), ); diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs index f6ec65490845..fc10a8a43cc9 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs @@ -71,7 +71,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { QueryInput { goal, predefined_opaques_in_body: self - .tcx() + .interner() .mk_predefined_opaques_in_body(PredefinedOpaquesData { opaque_types }), }, ); @@ -144,7 +144,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { Response { var_values, certainty, - external_constraints: self.tcx().mk_external_constraints(external_constraints), + external_constraints: self.interner().mk_external_constraints(external_constraints), }, ); @@ -160,7 +160,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { maybe_cause: MaybeCause, ) -> CanonicalResponse<'tcx> { response_no_constraints_raw( - self.tcx(), + self.interner(), self.max_input_universe, self.variables, Certainty::Maybe(maybe_cause), @@ -194,7 +194,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { let region_obligations = self.infcx.inner.borrow().region_obligations().to_owned(); let mut region_constraints = self.infcx.with_region_constraints(|region_constraints| { make_query_region_constraints( - self.tcx(), + self.interner(), region_obligations.iter().map(|r_o| { (r_o.sup_type, r_o.sub_region, r_o.origin.to_constraint_category()) }), @@ -239,7 +239,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { ); let Response { var_values, external_constraints, certainty } = - response.instantiate(self.tcx(), &instantiation); + response.instantiate(self.interner(), &instantiation); Self::unify_query_var_values(self.infcx, param_env, &original_values, var_values); diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs index 4cf0af948119..72a4096f2aaa 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs @@ -347,7 +347,7 @@ impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { let mut goal_evaluation = self.inspect.new_goal_evaluation(goal, &orig_values, goal_evaluation_kind); let canonical_response = EvalCtxt::evaluate_canonical_goal( - self.tcx(), + self.interner(), self.search_graph, canonical_goal, &mut goal_evaluation, @@ -450,7 +450,7 @@ impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { } } else { self.infcx.enter_forall(kind, |kind| { - let goal = goal.with(self.tcx(), ty::Binder::dummy(kind)); + let goal = goal.with(self.interner(), ty::Binder::dummy(kind)); self.add_goal(GoalSource::InstantiateHigherRanked, goal); self.evaluate_added_goals_and_make_canonical_response(Certainty::Yes) }) @@ -511,7 +511,7 @@ impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { /// /// Goals for the next step get directly added to the nested goals of the `EvalCtxt`. fn evaluate_added_goals_step(&mut self) -> Result, NoSolution> { - let tcx = self.tcx(); + let tcx = self.interner(); let mut goals = core::mem::take(&mut self.nested_goals); // If this loop did not result in any progress, what's our final certainty. @@ -597,11 +597,13 @@ impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { } } -impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { - pub(super) fn tcx(&self) -> TyCtxt<'tcx> { - self.infcx.tcx +impl, I: Interner> EvalCtxt<'_, Infcx> { + pub(super) fn interner(&self) -> I { + self.infcx.interner() } +} +impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { pub(super) fn next_ty_infer(&mut self) -> Ty<'tcx> { let ty = self.infcx.next_ty_var(DUMMY_SP); self.inspect.add_var_value(ty); @@ -759,7 +761,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { // NOTE: this check is purely an optimization, the structural eq would // always fail if the term is not an inference variable. if term.is_infer() { - let tcx = self.tcx(); + let tcx = self.interner(); // We need to relate `alias` to `term` treating only the outermost // constructor as rigid, relating any contained generic arguments as // normal. We do this by first structurally equating the `term` @@ -1054,10 +1056,10 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { ) -> Option> { use rustc_middle::mir::interpret::ErrorHandled; match self.infcx.const_eval_resolve(param_env, unevaluated, DUMMY_SP) { - Ok(Some(val)) => Some(ty::Const::new_value(self.tcx(), val, ty)), + Ok(Some(val)) => Some(ty::Const::new_value(self.interner(), val, ty)), Ok(None) | Err(ErrorHandled::TooGeneric(_)) => None, Err(ErrorHandled::Reported(e, _)) => { - Some(ty::Const::new_error(self.tcx(), e.into(), ty)) + Some(ty::Const::new_error(self.interner(), e.into(), ty)) } } } @@ -1070,7 +1072,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { principal: ty::PolyTraitRef<'tcx>, mut supertrait_visitor: impl FnMut(&mut Self, ty::PolyTraitRef<'tcx>, usize, Option), ) { - let tcx = self.tcx(); + let tcx = self.interner(); let mut offset = 0; prepare_vtable_segments::<()>(tcx, principal, |segment| { match segment { diff --git a/compiler/rustc_trait_selection/src/solve/mod.rs b/compiler/rustc_trait_selection/src/solve/mod.rs index 60722d3618f9..a432090f78cd 100644 --- a/compiler/rustc_trait_selection/src/solve/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/mod.rs @@ -133,7 +133,7 @@ impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { } fn compute_object_safe_goal(&mut self, trait_def_id: DefId) -> QueryResult<'tcx> { - if self.tcx().check_is_object_safe(trait_def_id) { + if self.interner().check_is_object_safe(trait_def_id) { self.evaluate_added_goals_and_make_canonical_response(Certainty::Yes) } else { Err(NoSolution) @@ -274,7 +274,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { if let ty::Alias(..) = ty.kind() { let normalized_ty = self.next_ty_infer(); let alias_relate_goal = Goal::new( - self.tcx(), + self.interner(), param_env, ty::PredicateKind::AliasRelate( ty.into(), diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/anon_const.rs b/compiler/rustc_trait_selection/src/solve/normalizes_to/anon_const.rs index c9621e705e57..362c4072278d 100644 --- a/compiler/rustc_trait_selection/src/solve/normalizes_to/anon_const.rs +++ b/compiler/rustc_trait_selection/src/solve/normalizes_to/anon_const.rs @@ -12,7 +12,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { if let Some(normalized_const) = self.try_const_eval_resolve( goal.param_env, ty::UnevaluatedConst::new(goal.predicate.alias.def_id, goal.predicate.alias.args), - self.tcx() + self.interner() .type_of(goal.predicate.alias.def_id) .no_bound_vars() .expect("const ty should not rely on other generics"), diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/inherent.rs b/compiler/rustc_trait_selection/src/solve/normalizes_to/inherent.rs index 2146a2c2f081..41b2b9cd4d26 100644 --- a/compiler/rustc_trait_selection/src/solve/normalizes_to/inherent.rs +++ b/compiler/rustc_trait_selection/src/solve/normalizes_to/inherent.rs @@ -15,7 +15,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { &mut self, goal: Goal<'tcx, ty::NormalizesTo<'tcx>>, ) -> QueryResult<'tcx> { - let tcx = self.tcx(); + let tcx = self.interner(); let inherent = goal.predicate.alias.expect_ty(tcx); let impl_def_id = tcx.parent(inherent.def_id); diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs b/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs index 7ef8373663ba..7fd2a3801cc4 100644 --- a/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs @@ -54,7 +54,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { &mut self, goal: Goal<'tcx, NormalizesTo<'tcx>>, ) -> QueryResult<'tcx> { - match goal.predicate.alias.kind(self.tcx()) { + match goal.predicate.alias.kind(self.interner()) { ty::AliasTermKind::ProjectionTy | ty::AliasTermKind::ProjectionConst => { let candidates = self.assemble_and_evaluate_candidates(goal); self.merge_candidates(candidates) @@ -107,7 +107,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { ) -> Result, NoSolution> { if let Some(projection_pred) = assumption.as_projection_clause() { if projection_pred.projection_def_id() == goal.predicate.def_id() { - let tcx = ecx.tcx(); + let tcx = ecx.interner(); ecx.probe_trait_candidate(source).enter(|ecx| { let assumption_projection_pred = ecx.instantiate_binder_with_infer(projection_pred); @@ -142,7 +142,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { goal: Goal<'tcx, NormalizesTo<'tcx>>, impl_def_id: DefId, ) -> Result, NoSolution> { - let tcx = ecx.tcx(); + let tcx = ecx.interner(); let goal_trait_ref = goal.predicate.alias.trait_ref(tcx); let impl_trait_header = tcx.impl_trait_header(impl_def_id).unwrap(); @@ -290,8 +290,8 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { - ecx.tcx().dcx().span_delayed_bug( - ecx.tcx().def_span(goal.predicate.def_id()), + ecx.interner().dcx().span_delayed_bug( + ecx.interner().def_span(goal.predicate.def_id()), "associated types not allowed on auto traits", ); Err(NoSolution) @@ -337,7 +337,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { goal: Goal<'tcx, Self>, goal_kind: ty::ClosureKind, ) -> Result, NoSolution> { - let tcx = ecx.tcx(); + let tcx = ecx.interner(); let tupled_inputs_and_output = match structural_traits::extract_tupled_inputs_and_output_from_callable( tcx, @@ -380,7 +380,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { goal: Goal<'tcx, Self>, goal_kind: ty::ClosureKind, ) -> Result, NoSolution> { - let tcx = ecx.tcx(); + let tcx = ecx.interner(); let env_region = match goal_kind { ty::ClosureKind::Fn | ty::ClosureKind::FnMut => goal.predicate.alias.args.region_at(2), @@ -493,7 +493,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { } let upvars_ty = ty::CoroutineClosureSignature::tupled_upvars_by_closure_kind( - ecx.tcx(), + ecx.interner(), goal_kind, tupled_inputs_ty.expect_ty(), tupled_upvars_ty.expect_ty(), @@ -518,7 +518,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { ecx: &mut EvalCtxt<'_, InferCtxt<'tcx>>, goal: Goal<'tcx, Self>, ) -> Result, NoSolution> { - let tcx = ecx.tcx(); + let tcx = ecx.interner(); let metadata_def_id = tcx.require_lang_item(LangItem::Metadata, None); assert_eq!(metadata_def_id, goal.predicate.def_id()); ecx.probe_builtin_trait_candidate(BuiltinImplSource::Misc).enter(|ecx| { @@ -606,7 +606,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { }; // Coroutines are not futures unless they come from `async` desugaring - let tcx = ecx.tcx(); + let tcx = ecx.interner(); if !tcx.coroutine_is_async(def_id) { return Err(NoSolution); } @@ -618,7 +618,11 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { CandidateSource::BuiltinImpl(BuiltinImplSource::Misc), goal, ty::ProjectionPredicate { - projection_term: ty::AliasTerm::new(ecx.tcx(), goal.predicate.def_id(), [self_ty]), + projection_term: ty::AliasTerm::new( + ecx.interner(), + goal.predicate.def_id(), + [self_ty], + ), term, } .upcast(tcx), @@ -638,7 +642,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { }; // Coroutines are not Iterators unless they come from `gen` desugaring - let tcx = ecx.tcx(); + let tcx = ecx.interner(); if !tcx.coroutine_is_gen(def_id) { return Err(NoSolution); } @@ -650,7 +654,11 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { CandidateSource::BuiltinImpl(BuiltinImplSource::Misc), goal, ty::ProjectionPredicate { - projection_term: ty::AliasTerm::new(ecx.tcx(), goal.predicate.def_id(), [self_ty]), + projection_term: ty::AliasTerm::new( + ecx.interner(), + goal.predicate.def_id(), + [self_ty], + ), term, } .upcast(tcx), @@ -677,7 +685,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { }; // Coroutines are not AsyncIterators unless they come from `gen` desugaring - let tcx = ecx.tcx(); + let tcx = ecx.interner(); if !tcx.coroutine_is_async_gen(def_id) { return Err(NoSolution); } @@ -713,7 +721,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { }; // `async`-desugared coroutines do not implement the coroutine trait - let tcx = ecx.tcx(); + let tcx = ecx.interner(); if !tcx.is_general_coroutine(def_id) { return Err(NoSolution); } @@ -735,7 +743,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { goal, ty::ProjectionPredicate { projection_term: ty::AliasTerm::new( - ecx.tcx(), + ecx.interner(), goal.predicate.def_id(), [self_ty, coroutine.resume_ty()], ), @@ -784,7 +792,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { | ty::Slice(_) | ty::Dynamic(_, _, _) | ty::Tuple(_) - | ty::Error(_) => self_ty.discriminant_ty(ecx.tcx()), + | ty::Error(_) => self_ty.discriminant_ty(ecx.interner()), // We do not call `Ty::discriminant_ty` on alias, param, or placeholder // types, which return `::Discriminant` @@ -831,7 +839,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> { | ty::Str | ty::Slice(_) | ty::Tuple(_) - | ty::Error(_) => self_ty.async_destructor_ty(ecx.tcx(), goal.param_env), + | ty::Error(_) => self_ty.async_destructor_ty(ecx.interner(), goal.param_env), // We do not call `Ty::async_destructor_ty` on alias, param, or placeholder // types, which return `::AsyncDestructor` @@ -887,8 +895,9 @@ fn fetch_eligible_assoc_item_def<'tcx>( trait_assoc_def_id: DefId, impl_def_id: DefId, ) -> Result, NoSolution> { - let node_item = specialization_graph::assoc_def(ecx.tcx(), impl_def_id, trait_assoc_def_id) - .map_err(|ErrorGuaranteed { .. }| NoSolution)?; + let node_item = + specialization_graph::assoc_def(ecx.interner(), impl_def_id, trait_assoc_def_id) + .map_err(|ErrorGuaranteed { .. }| NoSolution)?; let eligible = if node_item.is_final() { // Non-specializable items are always projectable. diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/opaque_types.rs b/compiler/rustc_trait_selection/src/solve/normalizes_to/opaque_types.rs index 3b83d347276f..67ec2f3be481 100644 --- a/compiler/rustc_trait_selection/src/solve/normalizes_to/opaque_types.rs +++ b/compiler/rustc_trait_selection/src/solve/normalizes_to/opaque_types.rs @@ -15,7 +15,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { &mut self, goal: Goal<'tcx, ty::NormalizesTo<'tcx>>, ) -> QueryResult<'tcx> { - let tcx = self.tcx(); + let tcx = self.interner(); let opaque_ty = goal.predicate.alias; let expected = goal.predicate.term.ty().expect("no such thing as an opaque const"); @@ -31,7 +31,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { return Err(NoSolution); } // FIXME: This may have issues when the args contain aliases... - match self.tcx().uses_unique_placeholders_ignoring_regions(opaque_ty.args) { + match self.interner().uses_unique_placeholders_ignoring_regions(opaque_ty.args) { Err(NotUniqueParam::NotParam(param)) if param.is_non_region_infer() => { return self.evaluate_added_goals_and_make_canonical_response( Certainty::AMBIGUOUS, diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/weak_types.rs b/compiler/rustc_trait_selection/src/solve/normalizes_to/weak_types.rs index 109a9e9671f0..5442b9ccffc8 100644 --- a/compiler/rustc_trait_selection/src/solve/normalizes_to/weak_types.rs +++ b/compiler/rustc_trait_selection/src/solve/normalizes_to/weak_types.rs @@ -14,7 +14,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { &mut self, goal: Goal<'tcx, ty::NormalizesTo<'tcx>>, ) -> QueryResult<'tcx> { - let tcx = self.tcx(); + let tcx = self.interner(); let weak_ty = goal.predicate.alias; // Check where clauses diff --git a/compiler/rustc_trait_selection/src/solve/project_goals.rs b/compiler/rustc_trait_selection/src/solve/project_goals.rs index 8fa78e49dc6e..cae73cc2d073 100644 --- a/compiler/rustc_trait_selection/src/solve/project_goals.rs +++ b/compiler/rustc_trait_selection/src/solve/project_goals.rs @@ -11,7 +11,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { &mut self, goal: Goal<'tcx, ProjectionPredicate<'tcx>>, ) -> QueryResult<'tcx> { - let tcx = self.tcx(); + let tcx = self.interner(); let projection_term = goal.predicate.projection_term.to_term(tcx); let goal = goal.with( tcx, diff --git a/compiler/rustc_trait_selection/src/solve/trait_goals.rs b/compiler/rustc_trait_selection/src/solve/trait_goals.rs index e59eef22f411..67dd3fa85fa1 100644 --- a/compiler/rustc_trait_selection/src/solve/trait_goals.rs +++ b/compiler/rustc_trait_selection/src/solve/trait_goals.rs @@ -42,7 +42,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { goal: Goal<'tcx, TraitPredicate<'tcx>>, impl_def_id: DefId, ) -> Result, NoSolution> { - let tcx = ecx.tcx(); + let tcx = ecx.interner(); let impl_trait_header = tcx.impl_trait_header(impl_def_id).unwrap(); let drcx = DeepRejectCtxt { treat_obligation_params: TreatParams::ForLookup }; @@ -181,7 +181,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { return Err(NoSolution); } - let tcx = ecx.tcx(); + let tcx = ecx.interner(); ecx.probe_builtin_trait_candidate(BuiltinImplSource::Misc).enter(|ecx| { let nested_obligations = tcx @@ -235,7 +235,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } // The regions of a type don't affect the size of the type - let tcx = ecx.tcx(); + let tcx = ecx.interner(); // We should erase regions from both the param-env and type, since both // may have infer regions. Specifically, after canonicalizing and instantiating, // early bound regions turn into region vars in both the new and old solver. @@ -296,7 +296,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { return Err(NoSolution); } - let tcx = ecx.tcx(); + let tcx = ecx.interner(); let tupled_inputs_and_output = match structural_traits::extract_tupled_inputs_and_output_from_callable( tcx, @@ -337,7 +337,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { return Err(NoSolution); } - let tcx = ecx.tcx(); + let tcx = ecx.interner(); let (tupled_inputs_and_output_and_coroutine, nested_preds) = structural_traits::extract_tupled_inputs_and_output_from_async_callable( tcx, @@ -447,7 +447,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { }; // Coroutines are not futures unless they come from `async` desugaring - let tcx = ecx.tcx(); + let tcx = ecx.interner(); if !tcx.coroutine_is_async(def_id) { return Err(NoSolution); } @@ -473,7 +473,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { }; // Coroutines are not iterators unless they come from `gen` desugaring - let tcx = ecx.tcx(); + let tcx = ecx.interner(); if !tcx.coroutine_is_gen(def_id) { return Err(NoSolution); } @@ -499,7 +499,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { }; // Coroutines are not iterators unless they come from `gen` desugaring - let tcx = ecx.tcx(); + let tcx = ecx.interner(); if !tcx.coroutine_is_gen(def_id) { return Err(NoSolution); } @@ -523,7 +523,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { }; // Coroutines are not iterators unless they come from `gen` desugaring - let tcx = ecx.tcx(); + let tcx = ecx.interner(); if !tcx.coroutine_is_async_gen(def_id) { return Err(NoSolution); } @@ -550,7 +550,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { }; // `async`-desugared coroutines do not implement the coroutine trait - let tcx = ecx.tcx(); + let tcx = ecx.interner(); if !tcx.is_general_coroutine(def_id) { return Err(NoSolution); } @@ -625,10 +625,10 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { // Erase regions because we compute layouts in `rustc_transmute`, // which will ICE for region vars. - let args = ecx.tcx().erase_regions(goal.predicate.trait_ref.args); + let args = ecx.interner().erase_regions(goal.predicate.trait_ref.args); let Some(assume) = - rustc_transmute::Assume::from_const(ecx.tcx(), goal.param_env, args.const_at(2)) + rustc_transmute::Assume::from_const(ecx.interner(), goal.param_env, args.const_at(2)) else { return Err(NoSolution); }; @@ -675,7 +675,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { return vec![]; }; - let goal = goal.with(ecx.tcx(), (a_ty, b_ty)); + let goal = goal.with(ecx.interner(), (a_ty, b_ty)); match (a_ty.kind(), b_ty.kind()) { (ty::Infer(ty::TyVar(..)), ..) => bug!("unexpected infer {a_ty:?} {b_ty:?}"), @@ -741,7 +741,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { b_data: &'tcx ty::List>, b_region: ty::Region<'tcx>, ) -> Vec> { - let tcx = self.tcx(); + let tcx = self.interner(); let Goal { predicate: (a_ty, _b_ty), .. } = goal; let mut responses = vec![]; @@ -787,7 +787,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { b_data: &'tcx ty::List>, b_region: ty::Region<'tcx>, ) -> Result, NoSolution> { - let tcx = self.tcx(); + let tcx = self.interner(); let Goal { predicate: (a_ty, _), .. } = goal; // Can only unsize to an object-safe trait. @@ -837,8 +837,8 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { let a_auto_traits: FxIndexSet = a_data .auto_traits() .chain(a_data.principal_def_id().into_iter().flat_map(|principal_def_id| { - supertrait_def_ids(self.tcx(), principal_def_id) - .filter(|def_id| self.tcx().trait_is_auto(*def_id)) + supertrait_def_ids(self.interner(), principal_def_id) + .filter(|def_id| self.interner().trait_is_auto(*def_id)) })) .collect(); @@ -907,7 +907,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { ecx.add_goal( GoalSource::ImplWhereBound, Goal::new( - ecx.tcx(), + ecx.interner(), param_env, ty::Binder::dummy(ty::OutlivesPredicate(a_region, b_region)), ), @@ -956,7 +956,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { a_args: ty::GenericArgsRef<'tcx>, b_args: ty::GenericArgsRef<'tcx>, ) -> Result, NoSolution> { - let tcx = self.tcx(); + let tcx = self.interner(); let Goal { predicate: (_a_ty, b_ty), .. } = goal; let unsizing_params = tcx.unsizing_params_for_adt(def.did()); @@ -1017,7 +1017,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { a_tys: &'tcx ty::List>, b_tys: &'tcx ty::List>, ) -> Result, NoSolution> { - let tcx = self.tcx(); + let tcx = self.interner(); let Goal { predicate: (_a_ty, b_ty), .. } = goal; let (&a_last_ty, a_rest_tys) = a_tys.split_last().unwrap(); @@ -1077,9 +1077,9 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { // takes precedence over the structural auto trait candidate being // assembled. ty::Coroutine(def_id, _) - if Some(goal.predicate.def_id()) == self.tcx().lang_items().unpin_trait() => + if Some(goal.predicate.def_id()) == self.interner().lang_items().unpin_trait() => { - match self.tcx().coroutine_movability(def_id) { + match self.interner().coroutine_movability(def_id) { Movability::Static => Some(Err(NoSolution)), Movability::Movable => Some( self.probe_builtin_trait_candidate(BuiltinImplSource::Misc).enter(|ecx| { @@ -1124,7 +1124,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { | ty::Tuple(_) | ty::Adt(_, _) => { let mut disqualifying_impl = None; - self.tcx().for_each_relevant_impl( + self.interner().for_each_relevant_impl( goal.predicate.def_id(), goal.predicate.self_ty(), |impl_def_id| { @@ -1164,7 +1164,10 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { .into_iter() .map(|ty| { ecx.enter_forall(ty, |ty| { - goal.with(ecx.tcx(), goal.predicate.with_self_ty(ecx.tcx(), ty)) + goal.with( + ecx.interner(), + goal.predicate.with_self_ty(ecx.interner(), ty), + ) }) }) .collect::>(), From f49403653017bfe5a62b7121b36249c19dcf1a0d Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Sun, 19 May 2024 13:20:37 -0400 Subject: [PATCH 0666/1716] Make ProofTreeBuilder actually generic over interner --- compiler/rustc_middle/src/ty/context.rs | 7 ++ .../src/solve/eval_ctxt/canonical.rs | 28 +++-- .../src/solve/eval_ctxt/mod.rs | 8 +- .../src/solve/inspect/build.rs | 112 +++++++++--------- .../src/solve/search_graph.rs | 11 +- compiler/rustc_type_ir/src/inherent.rs | 9 +- compiler/rustc_type_ir/src/interner.rs | 10 +- 7 files changed, 102 insertions(+), 83 deletions(-) diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index c09cb95de883..5a04324dc7dc 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -218,6 +218,13 @@ impl<'tcx> Interner for TyCtxt<'tcx> { self.check_and_mk_args(def_id, args) } + fn intern_canonical_goal_evaluation_step( + self, + step: solve::inspect::CanonicalGoalEvaluationStep>, + ) -> &'tcx solve::inspect::CanonicalGoalEvaluationStep> { + self.arena.alloc(step) + } + fn parent(self, def_id: Self::DefId) -> Self::DefId { self.parent(def_id) } diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs index fc10a8a43cc9..4977807aa6cf 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs @@ -16,7 +16,6 @@ use crate::solve::{ use rustc_data_structures::fx::FxHashSet; use rustc_index::IndexVec; use rustc_infer::infer::canonical::query_response::make_query_region_constraints; -use rustc_infer::infer::canonical::CanonicalVarValues; use rustc_infer::infer::canonical::{CanonicalExt, QueryRegionConstraints}; use rustc_infer::infer::RegionVariableOrigin; use rustc_infer::infer::{InferCtxt, InferOk}; @@ -32,22 +31,24 @@ use rustc_middle::ty::{self, BoundVar, GenericArgKind, Ty, TyCtxt, TypeFoldable} use rustc_next_trait_solver::canonicalizer::{CanonicalizeMode, Canonicalizer}; use rustc_next_trait_solver::resolve::EagerResolver; use rustc_span::{Span, DUMMY_SP}; +use rustc_type_ir::CanonicalVarValues; +use rustc_type_ir::{InferCtxtLike, Interner}; use std::assert_matches::assert_matches; use std::iter; use std::ops::Deref; trait ResponseT<'tcx> { - fn var_values(&self) -> CanonicalVarValues<'tcx>; + fn var_values(&self) -> CanonicalVarValues>; } impl<'tcx> ResponseT<'tcx> for Response> { - fn var_values(&self) -> CanonicalVarValues<'tcx> { + fn var_values(&self) -> CanonicalVarValues> { self.var_values } } impl<'tcx, T> ResponseT<'tcx> for inspect::State, T> { - fn var_values(&self) -> CanonicalVarValues<'tcx> { + fn var_values(&self) -> CanonicalVarValues> { self.var_values } } @@ -260,7 +261,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { infcx: &InferCtxt<'tcx>, original_values: &[ty::GenericArg<'tcx>], response: &Canonical<'tcx, T>, - ) -> CanonicalVarValues<'tcx> { + ) -> CanonicalVarValues> { // FIXME: Longterm canonical queries should deal with all placeholders // created inside of the query directly instead of returning them to the // caller. @@ -354,7 +355,7 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { infcx: &InferCtxt<'tcx>, param_env: ty::ParamEnv<'tcx>, original_values: &[ty::GenericArg<'tcx>], - var_values: CanonicalVarValues<'tcx>, + var_values: CanonicalVarValues>, ) { assert_eq!(original_values.len(), var_values.len()); @@ -393,13 +394,18 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { /// evaluating a goal. The `var_values` not only include the bound variables /// of the query input, but also contain all unconstrained inference vars /// created while evaluating this goal. -pub(in crate::solve) fn make_canonical_state<'tcx, T: TypeFoldable>>( - infcx: &InferCtxt<'tcx>, - var_values: &[ty::GenericArg<'tcx>], +pub(in crate::solve) fn make_canonical_state( + infcx: &Infcx, + var_values: &[I::GenericArg], max_input_universe: ty::UniverseIndex, data: T, -) -> inspect::CanonicalState, T> { - let var_values = CanonicalVarValues { var_values: infcx.tcx.mk_args(var_values) }; +) -> inspect::CanonicalState +where + Infcx: InferCtxtLike, + I: Interner, + T: TypeFoldable, +{ + let var_values = CanonicalVarValues { var_values: infcx.interner().mk_args(var_values) }; let state = inspect::State { var_values, data }; let state = state.fold_with(&mut EagerResolver::new(infcx)); Canonicalizer::canonicalize( diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs index 72a4096f2aaa..98ba3feeca13 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs @@ -98,7 +98,7 @@ pub struct EvalCtxt< // evaluation code. tainted: Result<(), NoSolution>, - pub(super) inspect: ProofTreeBuilder, + pub(super) inspect: ProofTreeBuilder, } #[derive(derivative::Derivative)] @@ -218,7 +218,7 @@ impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { tcx: TyCtxt<'tcx>, search_graph: &'a mut search_graph::SearchGraph>, canonical_input: CanonicalInput<'tcx>, - canonical_goal_evaluation: &mut ProofTreeBuilder>, + canonical_goal_evaluation: &mut ProofTreeBuilder>, f: impl FnOnce(&mut EvalCtxt<'_, InferCtxt<'tcx>>, Goal<'tcx, ty::Predicate<'tcx>>) -> R, ) -> R { let intercrate = match search_graph.solver_mode() { @@ -280,7 +280,7 @@ impl<'a, 'tcx> EvalCtxt<'a, InferCtxt<'tcx>> { tcx: TyCtxt<'tcx>, search_graph: &'a mut search_graph::SearchGraph>, canonical_input: CanonicalInput<'tcx>, - goal_evaluation: &mut ProofTreeBuilder>, + goal_evaluation: &mut ProofTreeBuilder>, ) -> QueryResult<'tcx> { let mut canonical_goal_evaluation = goal_evaluation.new_canonical_goal_evaluation(canonical_input); @@ -1114,7 +1114,7 @@ struct ReplaceAliasWithInfer<'me, 'a, 'tcx> { impl<'tcx> TypeFolder> for ReplaceAliasWithInfer<'_, '_, 'tcx> { fn interner(&self) -> TyCtxt<'tcx> { - self.ecx.tcx() + self.ecx.interner() } fn fold_ty(&mut self, ty: Ty<'tcx>) -> Ty<'tcx> { diff --git a/compiler/rustc_trait_selection/src/solve/inspect/build.rs b/compiler/rustc_trait_selection/src/solve/inspect/build.rs index 3c6333626483..84c04900ae48 100644 --- a/compiler/rustc_trait_selection/src/solve/inspect/build.rs +++ b/compiler/rustc_trait_selection/src/solve/inspect/build.rs @@ -3,18 +3,16 @@ //! This code is *a bit* of a mess and can hopefully be //! mostly ignored. For a general overview of how it works, //! see the comment on [ProofTreeBuilder]. +use std::marker::PhantomData; use std::mem; use crate::solve::eval_ctxt::canonical; use crate::solve::{self, inspect, GenerateProofTree}; -use rustc_infer::infer::InferCtxt; use rustc_middle::bug; -use rustc_middle::infer::canonical::CanonicalVarValues; -use rustc_middle::ty::{self, TyCtxt}; use rustc_next_trait_solver::solve::{ CanonicalInput, Certainty, Goal, GoalSource, QueryInput, QueryResult, }; -use rustc_type_ir::Interner; +use rustc_type_ir::{self as ty, InferCtxtLike, Interner}; /// The core data structure when building proof trees. /// @@ -36,7 +34,11 @@ use rustc_type_ir::Interner; /// trees. At the end of trait solving `ProofTreeBuilder::finalize` /// is called to recursively convert the whole structure to a /// finished proof tree. -pub(in crate::solve) struct ProofTreeBuilder { +pub(in crate::solve) struct ProofTreeBuilder< + Infcx: InferCtxtLike, + I: Interner = ::Interner, +> { + _infcx: PhantomData, state: Option>>, } @@ -229,36 +231,36 @@ impl WipProbeStep { } } -// FIXME: Genericize this impl. -impl<'tcx> ProofTreeBuilder> { - fn new(state: impl Into>>) -> ProofTreeBuilder> { - ProofTreeBuilder { state: Some(Box::new(state.into())) } +impl, I: Interner> ProofTreeBuilder { + fn new(state: impl Into>) -> ProofTreeBuilder { + ProofTreeBuilder { state: Some(Box::new(state.into())), _infcx: PhantomData } } - fn opt_nested>>>( - &self, - state: impl FnOnce() -> Option, - ) -> Self { + fn opt_nested>>(&self, state: impl FnOnce() -> Option) -> Self { ProofTreeBuilder { state: self.state.as_ref().and_then(|_| Some(state()?.into())).map(Box::new), + _infcx: PhantomData, } } - fn nested>>>(&self, state: impl FnOnce() -> T) -> Self { - ProofTreeBuilder { state: self.state.as_ref().map(|_| Box::new(state().into())) } + fn nested>>(&self, state: impl FnOnce() -> T) -> Self { + ProofTreeBuilder { + state: self.state.as_ref().map(|_| Box::new(state().into())), + _infcx: PhantomData, + } } - fn as_mut(&mut self) -> Option<&mut DebugSolver>> { + fn as_mut(&mut self) -> Option<&mut DebugSolver> { self.state.as_deref_mut() } - pub fn take_and_enter_probe(&mut self) -> ProofTreeBuilder> { - let mut nested = ProofTreeBuilder { state: self.state.take() }; + pub fn take_and_enter_probe(&mut self) -> ProofTreeBuilder { + let mut nested = ProofTreeBuilder { state: self.state.take(), _infcx: PhantomData }; nested.enter_probe(); nested } - pub fn finalize(self) -> Option>> { + pub fn finalize(self) -> Option> { match *self.state? { DebugSolver::GoalEvaluation(wip_goal_evaluation) => { Some(wip_goal_evaluation.finalize()) @@ -267,21 +269,19 @@ impl<'tcx> ProofTreeBuilder> { } } - pub fn new_maybe_root( - generate_proof_tree: GenerateProofTree, - ) -> ProofTreeBuilder> { + pub fn new_maybe_root(generate_proof_tree: GenerateProofTree) -> ProofTreeBuilder { match generate_proof_tree { GenerateProofTree::No => ProofTreeBuilder::new_noop(), GenerateProofTree::Yes => ProofTreeBuilder::new_root(), } } - pub fn new_root() -> ProofTreeBuilder> { + pub fn new_root() -> ProofTreeBuilder { ProofTreeBuilder::new(DebugSolver::Root) } - pub fn new_noop() -> ProofTreeBuilder> { - ProofTreeBuilder { state: None } + pub fn new_noop() -> ProofTreeBuilder { + ProofTreeBuilder { state: None, _infcx: PhantomData } } pub fn is_noop(&self) -> bool { @@ -290,10 +290,10 @@ impl<'tcx> ProofTreeBuilder> { pub(in crate::solve) fn new_goal_evaluation( &mut self, - goal: Goal, ty::Predicate<'tcx>>, - orig_values: &[ty::GenericArg<'tcx>], + goal: Goal, + orig_values: &[I::GenericArg], kind: solve::GoalEvaluationKind, - ) -> ProofTreeBuilder> { + ) -> ProofTreeBuilder { self.opt_nested(|| match kind { solve::GoalEvaluationKind::Root => Some(WipGoalEvaluation { uncanonicalized_goal: goal, @@ -306,8 +306,8 @@ impl<'tcx> ProofTreeBuilder> { pub fn new_canonical_goal_evaluation( &mut self, - goal: CanonicalInput>, - ) -> ProofTreeBuilder> { + goal: CanonicalInput, + ) -> ProofTreeBuilder { self.nested(|| WipCanonicalGoalEvaluation { goal, kind: None, @@ -318,12 +318,13 @@ impl<'tcx> ProofTreeBuilder> { pub fn finalize_canonical_goal_evaluation( &mut self, - tcx: TyCtxt<'tcx>, - ) -> Option<&'tcx inspect::CanonicalGoalEvaluationStep>> { + tcx: I, + ) -> Option { self.as_mut().map(|this| match this { DebugSolver::CanonicalGoalEvaluation(evaluation) => { let final_revision = mem::take(&mut evaluation.final_revision).unwrap(); - let final_revision = &*tcx.arena.alloc(final_revision.finalize()); + let final_revision = + tcx.intern_canonical_goal_evaluation_step(final_revision.finalize()); let kind = WipCanonicalGoalEvaluationKind::Interned { final_revision }; assert_eq!(evaluation.kind.replace(kind), None); final_revision @@ -334,7 +335,7 @@ impl<'tcx> ProofTreeBuilder> { pub fn canonical_goal_evaluation( &mut self, - canonical_goal_evaluation: ProofTreeBuilder>, + canonical_goal_evaluation: ProofTreeBuilder, ) { if let Some(this) = self.as_mut() { match (this, *canonical_goal_evaluation.state.unwrap()) { @@ -350,10 +351,7 @@ impl<'tcx> ProofTreeBuilder> { } } - pub fn canonical_goal_evaluation_kind( - &mut self, - kind: WipCanonicalGoalEvaluationKind>, - ) { + pub fn canonical_goal_evaluation_kind(&mut self, kind: WipCanonicalGoalEvaluationKind) { if let Some(this) = self.as_mut() { match this { DebugSolver::CanonicalGoalEvaluation(canonical_goal_evaluation) => { @@ -364,7 +362,7 @@ impl<'tcx> ProofTreeBuilder> { } } - pub fn goal_evaluation(&mut self, goal_evaluation: ProofTreeBuilder>) { + pub fn goal_evaluation(&mut self, goal_evaluation: ProofTreeBuilder) { if let Some(this) = self.as_mut() { match this { DebugSolver::Root => *this = *goal_evaluation.state.unwrap(), @@ -378,9 +376,9 @@ impl<'tcx> ProofTreeBuilder> { pub fn new_goal_evaluation_step( &mut self, - var_values: CanonicalVarValues<'tcx>, - instantiated_goal: QueryInput, ty::Predicate<'tcx>>, - ) -> ProofTreeBuilder> { + var_values: ty::CanonicalVarValues, + instantiated_goal: QueryInput, + ) -> ProofTreeBuilder { self.nested(|| WipCanonicalGoalEvaluationStep { var_values: var_values.var_values.to_vec(), instantiated_goal, @@ -394,7 +392,7 @@ impl<'tcx> ProofTreeBuilder> { }) } - pub fn goal_evaluation_step(&mut self, goal_evaluation_step: ProofTreeBuilder>) { + pub fn goal_evaluation_step(&mut self, goal_evaluation_step: ProofTreeBuilder) { if let Some(this) = self.as_mut() { match (this, *goal_evaluation_step.state.unwrap()) { ( @@ -408,7 +406,7 @@ impl<'tcx> ProofTreeBuilder> { } } - pub fn add_var_value>>(&mut self, arg: T) { + pub fn add_var_value>(&mut self, arg: T) { match self.as_mut() { None => {} Some(DebugSolver::CanonicalGoalEvaluationStep(state)) => { @@ -435,7 +433,7 @@ impl<'tcx> ProofTreeBuilder> { } } - pub fn probe_kind(&mut self, probe_kind: inspect::ProbeKind>) { + pub fn probe_kind(&mut self, probe_kind: inspect::ProbeKind) { match self.as_mut() { None => {} Some(DebugSolver::CanonicalGoalEvaluationStep(state)) => { @@ -446,11 +444,7 @@ impl<'tcx> ProofTreeBuilder> { } } - pub fn probe_final_state( - &mut self, - infcx: &InferCtxt<'tcx>, - max_input_universe: ty::UniverseIndex, - ) { + pub fn probe_final_state(&mut self, infcx: &Infcx, max_input_universe: ty::UniverseIndex) { match self.as_mut() { None => {} Some(DebugSolver::CanonicalGoalEvaluationStep(state)) => { @@ -469,24 +463,24 @@ impl<'tcx> ProofTreeBuilder> { pub fn add_normalizes_to_goal( &mut self, - infcx: &InferCtxt<'tcx>, + infcx: &Infcx, max_input_universe: ty::UniverseIndex, - goal: Goal, ty::NormalizesTo<'tcx>>, + goal: Goal>, ) { self.add_goal( infcx, max_input_universe, GoalSource::Misc, - goal.with(infcx.tcx, goal.predicate), + goal.with(infcx.interner(), goal.predicate), ); } pub fn add_goal( &mut self, - infcx: &InferCtxt<'tcx>, + infcx: &Infcx, max_input_universe: ty::UniverseIndex, source: GoalSource, - goal: Goal, ty::Predicate<'tcx>>, + goal: Goal, ) { match self.as_mut() { None => {} @@ -505,9 +499,9 @@ impl<'tcx> ProofTreeBuilder> { pub(crate) fn record_impl_args( &mut self, - infcx: &InferCtxt<'tcx>, + infcx: &Infcx, max_input_universe: ty::UniverseIndex, - impl_args: ty::GenericArgsRef<'tcx>, + impl_args: I::GenericArgs, ) { match self.as_mut() { Some(DebugSolver::CanonicalGoalEvaluationStep(state)) => { @@ -540,7 +534,7 @@ impl<'tcx> ProofTreeBuilder> { } } - pub fn finish_probe(mut self) -> ProofTreeBuilder> { + pub fn finish_probe(mut self) -> ProofTreeBuilder { match self.as_mut() { None => {} Some(DebugSolver::CanonicalGoalEvaluationStep(state)) => { @@ -555,7 +549,7 @@ impl<'tcx> ProofTreeBuilder> { self } - pub fn query_result(&mut self, result: QueryResult>) { + pub fn query_result(&mut self, result: QueryResult) { if let Some(this) = self.as_mut() { match this { DebugSolver::CanonicalGoalEvaluation(canonical_goal_evaluation) => { diff --git a/compiler/rustc_trait_selection/src/solve/search_graph.rs b/compiler/rustc_trait_selection/src/solve/search_graph.rs index 6be623b6044f..f1b8bf4676ee 100644 --- a/compiler/rustc_trait_selection/src/solve/search_graph.rs +++ b/compiler/rustc_trait_selection/src/solve/search_graph.rs @@ -3,6 +3,7 @@ use std::mem; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_index::Idx; use rustc_index::IndexVec; +use rustc_infer::infer::InferCtxt; use rustc_middle::dep_graph::dep_kinds; use rustc_middle::traits::solve::CacheData; use rustc_middle::traits::solve::EvaluationCache; @@ -261,10 +262,10 @@ impl<'tcx> SearchGraph> { &mut self, tcx: TyCtxt<'tcx>, input: CanonicalInput>, - inspect: &mut ProofTreeBuilder>, + inspect: &mut ProofTreeBuilder>, mut prove_goal: impl FnMut( &mut Self, - &mut ProofTreeBuilder>, + &mut ProofTreeBuilder>, ) -> QueryResult>, ) -> QueryResult> { self.check_invariants(); @@ -426,7 +427,7 @@ impl<'tcx> SearchGraph> { tcx: TyCtxt<'tcx>, input: CanonicalInput>, available_depth: Limit, - inspect: &mut ProofTreeBuilder>, + inspect: &mut ProofTreeBuilder>, ) -> Option>> { let CacheData { result, proof_tree, additional_depth, encountered_overflow } = self .global_cache(tcx) @@ -473,11 +474,11 @@ impl<'tcx> SearchGraph> { &mut self, tcx: TyCtxt<'tcx>, input: CanonicalInput>, - inspect: &mut ProofTreeBuilder>, + inspect: &mut ProofTreeBuilder>, prove_goal: &mut F, ) -> StepResult> where - F: FnMut(&mut Self, &mut ProofTreeBuilder>) -> QueryResult>, + F: FnMut(&mut Self, &mut ProofTreeBuilder>) -> QueryResult>, { let result = prove_goal(self, inspect); let stack_entry = self.pop_stack(); diff --git a/compiler/rustc_type_ir/src/inherent.rs b/compiler/rustc_type_ir/src/inherent.rs index e7e893f27daa..7b1dfecfee2e 100644 --- a/compiler/rustc_type_ir/src/inherent.rs +++ b/compiler/rustc_type_ir/src/inherent.rs @@ -132,7 +132,14 @@ pub trait GenericArgs>: } pub trait Predicate>: - Copy + Debug + Hash + Eq + TypeSuperVisitable + TypeSuperFoldable + Flags + Copy + + Debug + + Hash + + Eq + + TypeSuperVisitable + + TypeSuperFoldable + + Flags + + UpcastFrom> { fn is_coinductive(self, interner: I) -> bool; } diff --git a/compiler/rustc_type_ir/src/interner.rs b/compiler/rustc_type_ir/src/interner.rs index e49db171a534..2a228c973d34 100644 --- a/compiler/rustc_type_ir/src/interner.rs +++ b/compiler/rustc_type_ir/src/interner.rs @@ -3,6 +3,7 @@ use std::fmt::Debug; use std::hash::Hash; use std::ops::Deref; +use crate::fold::TypeFoldable; use crate::inherent::*; use crate::ir_print::IrPrint; use crate::solve::inspect::CanonicalGoalEvaluationStep; @@ -90,7 +91,7 @@ pub trait Interner: type PlaceholderRegion: PlaceholderLike; // Predicates - type ParamEnv: Copy + Debug + Hash + Eq; + type ParamEnv: Copy + Debug + Hash + Eq + TypeFoldable; type Predicate: Predicate; type Clause: Clause; type Clauses: Copy + Debug + Hash + Eq + TypeSuperVisitable + Flags; @@ -114,15 +115,18 @@ pub trait Interner: ) -> (ty::TraitRef, Self::OwnItemArgs); fn mk_args(self, args: &[Self::GenericArg]) -> Self::GenericArgs; - fn mk_args_from_iter(self, args: impl Iterator) -> Self::GenericArgs; - fn check_and_mk_args( self, def_id: Self::DefId, args: impl IntoIterator>, ) -> Self::GenericArgs; + fn intern_canonical_goal_evaluation_step( + self, + step: CanonicalGoalEvaluationStep, + ) -> Self::CanonicalGoalEvaluationStepRef; + fn parent(self, def_id: Self::DefId) -> Self::DefId; fn recursion_limit(self) -> usize; From 89f3651402d825d46d5aa974839b82ec0b737fe8 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Tue, 28 May 2024 11:38:58 -0400 Subject: [PATCH 0667/1716] Get rid of manual Trace calls --- compiler/rustc_hir_typeck/src/coercion.rs | 1 - compiler/rustc_infer/src/infer/at.rs | 17 +++++++++++++++++ .../src/solve/eval_ctxt/canonical.rs | 1 - .../src/solve/eval_ctxt/mod.rs | 8 ++------ .../rustc_trait_selection/src/traits/fulfill.rs | 7 +++++-- .../src/traits/select/mod.rs | 7 +++++-- 6 files changed, 29 insertions(+), 12 deletions(-) diff --git a/compiler/rustc_hir_typeck/src/coercion.rs b/compiler/rustc_hir_typeck/src/coercion.rs index ebdc558282a9..93726ce2b3eb 100644 --- a/compiler/rustc_hir_typeck/src/coercion.rs +++ b/compiler/rustc_hir_typeck/src/coercion.rs @@ -1158,7 +1158,6 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let (a_sig, b_sig) = self.normalize(new.span, (a_sig, b_sig)); let sig = self .at(cause, self.param_env) - .trace(prev_ty, new_ty) .lub(DefineOpaqueTypes::Yes, a_sig, b_sig) .map(|ok| self.register_infer_ok_obligations(ok))?; diff --git a/compiler/rustc_infer/src/infer/at.rs b/compiler/rustc_infer/src/infer/at.rs index 16057b6ad9dc..aa37aaf22eb4 100644 --- a/compiler/rustc_infer/src/infer/at.rs +++ b/compiler/rustc_infer/src/infer/at.rs @@ -156,6 +156,23 @@ impl<'a, 'tcx> At<'a, 'tcx> { self.trace(expected, actual).eq(define_opaque_types, expected, actual) } + /// Equates `expected` and `found` while structurally relating aliases. + /// This should only be used inside of the next generation trait solver + /// when relating rigid aliases. + pub fn eq_structurally_relating_aliases( + self, + expected: T, + actual: T, + ) -> InferResult<'tcx, ()> + where + T: ToTrace<'tcx>, + { + self.trace(expected, actual).eq_structurally_relating_aliases( + expected, + actual, + ) + } + pub fn relate( self, define_opaque_types: DefineOpaqueTypes, diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs index f6ec65490845..bc248754f167 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs @@ -362,7 +362,6 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { for (&orig, response) in iter::zip(original_values, var_values.var_values) { let InferOk { value: (), obligations } = infcx .at(&cause, param_env) - .trace(orig, response) .eq_structurally_relating_aliases(orig, response) .unwrap(); assert!(obligations.is_empty()); diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs index 4cf0af948119..9ae0809e96ed 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs @@ -774,7 +774,6 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { let InferOk { value: (), obligations } = self .infcx .at(&ObligationCause::dummy(), param_env) - .trace(term, ctor_term) .eq_structurally_relating_aliases(term, ctor_term)?; debug_assert!(obligations.is_empty()); self.relate(param_env, alias, variance, rigid_ctor) @@ -794,11 +793,8 @@ impl<'tcx> EvalCtxt<'_, InferCtxt<'tcx>> { rhs: T, ) -> Result<(), NoSolution> { let cause = ObligationCause::dummy(); - let InferOk { value: (), obligations } = self - .infcx - .at(&cause, param_env) - .trace(lhs, rhs) - .eq_structurally_relating_aliases(lhs, rhs)?; + let InferOk { value: (), obligations } = + self.infcx.at(&cause, param_env).eq_structurally_relating_aliases(lhs, rhs)?; assert!(obligations.is_empty()); Ok(()) } diff --git a/compiler/rustc_trait_selection/src/traits/fulfill.rs b/compiler/rustc_trait_selection/src/traits/fulfill.rs index 07fcf109fdaa..629f6f394af3 100644 --- a/compiler/rustc_trait_selection/src/traits/fulfill.rs +++ b/compiler/rustc_trait_selection/src/traits/fulfill.rs @@ -566,10 +566,13 @@ impl<'a, 'tcx> ObligationProcessor for FulfillProcessor<'a, 'tcx> { { if let Ok(new_obligations) = infcx .at(&obligation.cause, obligation.param_env) - .trace(c1, c2) // Can define opaque types as this is only reachable with // `generic_const_exprs` - .eq(DefineOpaqueTypes::Yes, a.args, b.args) + .eq( + DefineOpaqueTypes::Yes, + ty::AliasTerm::from(a), + ty::AliasTerm::from(b), + ) { return ProcessResult::Changed(mk_pending( new_obligations.into_obligations(), diff --git a/compiler/rustc_trait_selection/src/traits/select/mod.rs b/compiler/rustc_trait_selection/src/traits/select/mod.rs index 696b1c151153..7aec4e1987ed 100644 --- a/compiler/rustc_trait_selection/src/traits/select/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/select/mod.rs @@ -910,10 +910,13 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { if let Ok(InferOk { obligations, value: () }) = self .infcx .at(&obligation.cause, obligation.param_env) - .trace(c1, c2) // Can define opaque types as this is only reachable with // `generic_const_exprs` - .eq(DefineOpaqueTypes::Yes, a.args, b.args) + .eq( + DefineOpaqueTypes::Yes, + ty::AliasTerm::from(a), + ty::AliasTerm::from(b), + ) { return self.evaluate_predicates_recursively( previous_stack, From cc97376adeba686f6d1e1d77c290a02d9d688a68 Mon Sep 17 00:00:00 2001 From: Oneirical Date: Mon, 27 May 2024 21:19:58 -0400 Subject: [PATCH 0668/1716] Rewrite simple-rlib to rmake --- src/tools/tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/lto-smoke/rmake.rs | 7 ++++--- .../{mixing-formats => mixing-deps}/rmake.rs | 0 tests/run-make/simple-rlib/Makefile | 6 ------ tests/run-make/simple-rlib/bar.rs | 1 - tests/run-make/simple-rlib/foo.rs | 5 ----- tests/ui/imports/auxiliary/simple-rlib.rs | 2 ++ tests/ui/imports/simple-rlib-import.rs | 12 ++++++++++++ 8 files changed, 18 insertions(+), 16 deletions(-) rename tests/run-make/{mixing-formats => mixing-deps}/rmake.rs (100%) delete mode 100644 tests/run-make/simple-rlib/Makefile delete mode 100644 tests/run-make/simple-rlib/bar.rs delete mode 100644 tests/run-make/simple-rlib/foo.rs create mode 100644 tests/ui/imports/auxiliary/simple-rlib.rs create mode 100644 tests/ui/imports/simple-rlib-import.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 6d79711e6864..7ad5dec8a849 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -237,7 +237,6 @@ run-make/short-ice/Makefile run-make/silly-file-names/Makefile run-make/simd-ffi/Makefile run-make/simple-dylib/Makefile -run-make/simple-rlib/Makefile run-make/split-debuginfo/Makefile run-make/stable-symbol-names/Makefile run-make/static-dylib-by-default/Makefile diff --git a/tests/run-make/lto-smoke/rmake.rs b/tests/run-make/lto-smoke/rmake.rs index c0f181c10825..692945135cd3 100644 --- a/tests/run-make/lto-smoke/rmake.rs +++ b/tests/run-make/lto-smoke/rmake.rs @@ -1,5 +1,6 @@ // A simple smoke test to check that link time optimization -// (LTO) works as intended, with its various flags turned on. +// (LTO) is accepted by the compiler, and that +// passing its various flags still results in successful compilation. // See https://github.com/rust-lang/rust/issues/10741 //@ ignore-cross-compile @@ -9,7 +10,7 @@ use run_make_support::rustc; fn main() { let lto_flags = ["-Clto", "-Clto=yes", "-Clto=off", "-Clto=thin", "-Clto=fat"]; for flag in lto_flags { - rustc().input(lib.rs).run(); - rustc().input(main.rs).arg(flag).run(); + rustc().input("lib.rs").run(); + rustc().input("main.rs").arg(flag).run(); } } diff --git a/tests/run-make/mixing-formats/rmake.rs b/tests/run-make/mixing-deps/rmake.rs similarity index 100% rename from tests/run-make/mixing-formats/rmake.rs rename to tests/run-make/mixing-deps/rmake.rs diff --git a/tests/run-make/simple-rlib/Makefile b/tests/run-make/simple-rlib/Makefile deleted file mode 100644 index 28df61a15478..000000000000 --- a/tests/run-make/simple-rlib/Makefile +++ /dev/null @@ -1,6 +0,0 @@ -# ignore-cross-compile -include ../tools.mk -all: - $(RUSTC) bar.rs --crate-type=rlib - $(RUSTC) foo.rs - $(call RUN,foo) diff --git a/tests/run-make/simple-rlib/bar.rs b/tests/run-make/simple-rlib/bar.rs deleted file mode 100644 index c5c0bc606cd6..000000000000 --- a/tests/run-make/simple-rlib/bar.rs +++ /dev/null @@ -1 +0,0 @@ -pub fn bar() {} diff --git a/tests/run-make/simple-rlib/foo.rs b/tests/run-make/simple-rlib/foo.rs deleted file mode 100644 index 8d68535e3b64..000000000000 --- a/tests/run-make/simple-rlib/foo.rs +++ /dev/null @@ -1,5 +0,0 @@ -extern crate bar; - -fn main() { - bar::bar(); -} diff --git a/tests/ui/imports/auxiliary/simple-rlib.rs b/tests/ui/imports/auxiliary/simple-rlib.rs new file mode 100644 index 000000000000..28a6273840f6 --- /dev/null +++ b/tests/ui/imports/auxiliary/simple-rlib.rs @@ -0,0 +1,2 @@ +#![crate_type = "rlib"] +pub fn bar() {} diff --git a/tests/ui/imports/simple-rlib-import.rs b/tests/ui/imports/simple-rlib-import.rs new file mode 100644 index 000000000000..6eab7ba04cfa --- /dev/null +++ b/tests/ui/imports/simple-rlib-import.rs @@ -0,0 +1,12 @@ +// A simple test, where foo.rs has a dependency +// on the rlib (a static Rust-specific library format) bar.rs. If the test passes, +// rlibs can be built and linked into another file successfully.. + +//@ aux-crate:bar=simple-rlib.rs +//@ run-pass + +extern crate bar; + +fn main() { + bar::bar(); +} From 2bd5050e4f30cd854676d0e733d479e50ea79343 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Tue, 28 May 2024 11:58:05 -0400 Subject: [PATCH 0669/1716] Remove Trace --- compiler/rustc_infer/src/infer/at.rs | 186 ++++++------------ compiler/rustc_infer/src/infer/mod.rs | 15 -- .../rustc_infer/src/infer/relate/combine.rs | 11 ++ 3 files changed, 71 insertions(+), 141 deletions(-) diff --git a/compiler/rustc_infer/src/infer/at.rs b/compiler/rustc_infer/src/infer/at.rs index aa37aaf22eb4..17e6d6250ad5 100644 --- a/compiler/rustc_infer/src/infer/at.rs +++ b/compiler/rustc_infer/src/infer/at.rs @@ -48,11 +48,6 @@ pub struct At<'a, 'tcx> { pub param_env: ty::ParamEnv<'tcx>, } -pub struct Trace<'a, 'tcx> { - at: At<'a, 'tcx>, - trace: TypeTrace<'tcx>, -} - impl<'tcx> InferCtxt<'tcx> { #[inline] pub fn at<'a>( @@ -109,9 +104,6 @@ impl<'a, 'tcx> At<'a, 'tcx> { /// call like `foo(x)`, where `foo: fn(i32)`, you might have /// `sup(i32, x)`, since the "expected" type is the type that /// appears in the signature. - /// - /// See [`At::trace`] and [`Trace::sub`] for a version of - /// this method that only requires `T: Relate<'tcx>` pub fn sup( self, define_opaque_types: DefineOpaqueTypes, @@ -121,13 +113,19 @@ impl<'a, 'tcx> At<'a, 'tcx> { where T: ToTrace<'tcx>, { - self.trace(expected, actual).sup(define_opaque_types, expected, actual) + let mut fields = CombineFields::new( + self.infcx, + ToTrace::to_trace(self.cause, true, expected, actual), + self.param_env, + define_opaque_types, + ); + fields + .sup() + .relate(expected, actual) + .map(|_| InferOk { value: (), obligations: fields.obligations }) } /// Makes `expected <: actual`. - /// - /// See [`At::trace`] and [`Trace::sub`] for a version of - /// this method that only requires `T: Relate<'tcx>` pub fn sub( self, define_opaque_types: DefineOpaqueTypes, @@ -137,13 +135,19 @@ impl<'a, 'tcx> At<'a, 'tcx> { where T: ToTrace<'tcx>, { - self.trace(expected, actual).sub(define_opaque_types, expected, actual) + let mut fields = CombineFields::new( + self.infcx, + ToTrace::to_trace(self.cause, true, expected, actual), + self.param_env, + define_opaque_types, + ); + fields + .sub() + .relate(expected, actual) + .map(|_| InferOk { value: (), obligations: fields.obligations }) } - /// Makes `expected <: actual`. - /// - /// See [`At::trace`] and [`Trace::eq`] for a version of - /// this method that only requires `T: Relate<'tcx>` + /// Makes `expected == actual`. pub fn eq( self, define_opaque_types: DefineOpaqueTypes, @@ -153,7 +157,16 @@ impl<'a, 'tcx> At<'a, 'tcx> { where T: ToTrace<'tcx>, { - self.trace(expected, actual).eq(define_opaque_types, expected, actual) + let mut fields = CombineFields::new( + self.infcx, + ToTrace::to_trace(self.cause, true, expected, actual), + self.param_env, + define_opaque_types, + ); + fields + .equate(StructurallyRelateAliases::No) + .relate(expected, actual) + .map(|_| InferOk { value: (), obligations: fields.obligations }) } /// Equates `expected` and `found` while structurally relating aliases. @@ -167,10 +180,17 @@ impl<'a, 'tcx> At<'a, 'tcx> { where T: ToTrace<'tcx>, { - self.trace(expected, actual).eq_structurally_relating_aliases( - expected, - actual, - ) + assert!(self.infcx.next_trait_solver()); + let mut fields = CombineFields::new( + self.infcx, + ToTrace::to_trace(self.cause, true, expected, actual), + self.param_env, + DefineOpaqueTypes::Yes, + ); + fields + .equate(StructurallyRelateAliases::Yes) + .relate(expected, actual) + .map(|_| InferOk { value: (), obligations: fields.obligations }) } pub fn relate( @@ -202,9 +222,6 @@ impl<'a, 'tcx> At<'a, 'tcx> { /// this can result in an error (e.g., if asked to compute LUB of /// u32 and i32), it is meaningful to call one of them the /// "expected type". - /// - /// See [`At::trace`] and [`Trace::lub`] for a version of - /// this method that only requires `T: Relate<'tcx>` pub fn lub( self, define_opaque_types: DefineOpaqueTypes, @@ -214,15 +231,21 @@ impl<'a, 'tcx> At<'a, 'tcx> { where T: ToTrace<'tcx>, { - self.trace(expected, actual).lub(define_opaque_types, expected, actual) + let mut fields = CombineFields::new( + self.infcx, + ToTrace::to_trace(self.cause, true, expected, actual), + self.param_env, + define_opaque_types, + ); + fields + .lub() + .relate(expected, actual) + .map(|value| InferOk { value, obligations: fields.obligations }) } /// Computes the greatest-lower-bound, or mutual subtype, of two /// values. As with `lub` order doesn't matter, except for error /// cases. - /// - /// See [`At::trace`] and [`Trace::glb`] for a version of - /// this method that only requires `T: Relate<'tcx>` pub fn glb( self, define_opaque_types: DefineOpaqueTypes, @@ -232,105 +255,16 @@ impl<'a, 'tcx> At<'a, 'tcx> { where T: ToTrace<'tcx>, { - self.trace(expected, actual).glb(define_opaque_types, expected, actual) - } - - /// Sets the "trace" values that will be used for - /// error-reporting, but doesn't actually perform any operation - /// yet (this is useful when you want to set the trace using - /// distinct values from those you wish to operate upon). - pub fn trace(self, expected: T, actual: T) -> Trace<'a, 'tcx> - where - T: ToTrace<'tcx>, - { - let trace = ToTrace::to_trace(self.cause, true, expected, actual); - Trace { at: self, trace } - } -} - -impl<'a, 'tcx> Trace<'a, 'tcx> { - /// Makes `a <: b`. - #[instrument(skip(self), level = "debug")] - pub fn sub(self, define_opaque_types: DefineOpaqueTypes, a: T, b: T) -> InferResult<'tcx, ()> - where - T: Relate<'tcx>, - { - let Trace { at, trace } = self; - let mut fields = at.infcx.combine_fields(trace, at.param_env, define_opaque_types); - fields - .sub() - .relate(a, b) - .map(move |_| InferOk { value: (), obligations: fields.obligations }) - } - - /// Makes `a :> b`. - #[instrument(skip(self), level = "debug")] - pub fn sup(self, define_opaque_types: DefineOpaqueTypes, a: T, b: T) -> InferResult<'tcx, ()> - where - T: Relate<'tcx>, - { - let Trace { at, trace } = self; - let mut fields = at.infcx.combine_fields(trace, at.param_env, define_opaque_types); - fields - .sup() - .relate(a, b) - .map(move |_| InferOk { value: (), obligations: fields.obligations }) - } - - /// Makes `a == b`. - #[instrument(skip(self), level = "debug")] - pub fn eq(self, define_opaque_types: DefineOpaqueTypes, a: T, b: T) -> InferResult<'tcx, ()> - where - T: Relate<'tcx>, - { - let Trace { at, trace } = self; - let mut fields = at.infcx.combine_fields(trace, at.param_env, define_opaque_types); - fields - .equate(StructurallyRelateAliases::No) - .relate(a, b) - .map(move |_| InferOk { value: (), obligations: fields.obligations }) - } - - /// Equates `a` and `b` while structurally relating aliases. This should only - /// be used inside of the next generation trait solver when relating rigid aliases. - #[instrument(skip(self), level = "debug")] - pub fn eq_structurally_relating_aliases(self, a: T, b: T) -> InferResult<'tcx, ()> - where - T: Relate<'tcx>, - { - let Trace { at, trace } = self; - debug_assert!(at.infcx.next_trait_solver()); - let mut fields = at.infcx.combine_fields(trace, at.param_env, DefineOpaqueTypes::Yes); - fields - .equate(StructurallyRelateAliases::Yes) - .relate(a, b) - .map(move |_| InferOk { value: (), obligations: fields.obligations }) - } - - #[instrument(skip(self), level = "debug")] - pub fn lub(self, define_opaque_types: DefineOpaqueTypes, a: T, b: T) -> InferResult<'tcx, T> - where - T: Relate<'tcx>, - { - let Trace { at, trace } = self; - let mut fields = at.infcx.combine_fields(trace, at.param_env, define_opaque_types); - fields - .lub() - .relate(a, b) - .map(move |t| InferOk { value: t, obligations: fields.obligations }) - } - - #[instrument(skip(self), level = "debug")] - pub fn glb(self, define_opaque_types: DefineOpaqueTypes, a: T, b: T) -> InferResult<'tcx, T> - where - T: Relate<'tcx>, - { - let Trace { at, trace } = self; - let mut fields = at.infcx.combine_fields(trace, at.param_env, define_opaque_types); + let mut fields = CombineFields::new( + self.infcx, + ToTrace::to_trace(self.cause, true, expected, actual), + self.param_env, + define_opaque_types, + ); fields .glb() - .relate(a, b) - .map(move |t| InferOk { value: t, obligations: fields.obligations }) + .relate(expected, actual) + .map(|value| InferOk { value, obligations: fields.obligations }) } } diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs index 6f603d9b612e..c8bb6cf5f9b4 100644 --- a/compiler/rustc_infer/src/infer/mod.rs +++ b/compiler/rustc_infer/src/infer/mod.rs @@ -836,21 +836,6 @@ impl<'tcx> InferCtxt<'tcx> { .collect() } - fn combine_fields<'a>( - &'a self, - trace: TypeTrace<'tcx>, - param_env: ty::ParamEnv<'tcx>, - define_opaque_types: DefineOpaqueTypes, - ) -> CombineFields<'a, 'tcx> { - CombineFields { - infcx: self, - trace, - param_env, - obligations: PredicateObligations::new(), - define_opaque_types, - } - } - pub fn can_sub(&self, param_env: ty::ParamEnv<'tcx>, expected: T, actual: T) -> bool where T: at::ToTrace<'tcx>, diff --git a/compiler/rustc_infer/src/infer/relate/combine.rs b/compiler/rustc_infer/src/infer/relate/combine.rs index 7e7d4f43c7cc..6b41e4506846 100644 --- a/compiler/rustc_infer/src/infer/relate/combine.rs +++ b/compiler/rustc_infer/src/infer/relate/combine.rs @@ -42,6 +42,17 @@ pub struct CombineFields<'infcx, 'tcx> { pub define_opaque_types: DefineOpaqueTypes, } +impl<'infcx, 'tcx> CombineFields<'infcx, 'tcx> { + pub fn new( + infcx: &'infcx InferCtxt<'tcx>, + trace: TypeTrace<'tcx>, + param_env: ty::ParamEnv<'tcx>, + define_opaque_types: DefineOpaqueTypes, + ) -> Self { + Self { infcx, trace, param_env, define_opaque_types, obligations: vec![] } + } +} + impl<'tcx> InferCtxt<'tcx> { pub fn super_combine_tys( &self, From 4991fd95dd8a710b859e44d1e984e785e1e56462 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Tue, 28 May 2024 18:26:41 +0200 Subject: [PATCH 0670/1716] move ./miri environment variables to CONTRIBUTING --- src/tools/miri/CONTRIBUTING.md | 17 ++++++++++++++++- src/tools/miri/README.md | 19 +++++-------------- 2 files changed, 21 insertions(+), 15 deletions(-) diff --git a/src/tools/miri/CONTRIBUTING.md b/src/tools/miri/CONTRIBUTING.md index 092ad46a7cad..4534e54ad5e9 100644 --- a/src/tools/miri/CONTRIBUTING.md +++ b/src/tools/miri/CONTRIBUTING.md @@ -287,7 +287,22 @@ https. Add the following to your `.gitconfig`: pushInsteadOf = https://github.com/ ``` -## Internal environment variables +## Further environment variables + +The following environment variables are relevant to `./miri`: + +* `MIRI_AUTO_OPS` indicates whether the automatic execution of rustfmt, clippy and toolchain setup + (as controlled by the `./auto-*` files) should be skipped. If it is set to `no`, they are skipped. + This is used to allow automated IDE actions to avoid the auto ops. +* `MIRI_LOG`, `MIRI_BACKTRACE` control logging and backtrace printing during Miri executions. +* `MIRI_TEST_THREADS` (recognized by `./miri test`) sets the number of threads to use for running + tests. By default, the number of cores is used. +* `MIRI_SKIP_UI_CHECKS` (recognized by `./miri test`) disables checking that the `stderr` or + `stdout` files match the actual output. + +Furthermore, the usual environment variables recognized by `cargo miri` also work for `./miri`, e.g. +`MIRI_LIB_SRC`. Note that `MIRIFLAGS` is ignored by `./miri test` as each test controls the flags it +is run with. The following environment variables are *internal* and must not be used by anyone but Miri itself. They are used to communicate between different Miri diff --git a/src/tools/miri/README.md b/src/tools/miri/README.md index 208a8b9ee617..c437619a76ea 100644 --- a/src/tools/miri/README.md +++ b/src/tools/miri/README.md @@ -448,28 +448,19 @@ Some native rustc `-Z` flags are also very relevant for Miri: * `-Zmir-emit-retag` controls whether `Retag` statements are emitted. Miri enables this per default because it is needed for [Stacked Borrows] and [Tree Borrows]. -Moreover, Miri recognizes some environment variables (unless noted otherwise, these are supported -by all intended entry points, i.e. `cargo miri` and `./miri {test,run}`): +Moreover, Miri recognizes some environment variables: -* `MIRI_AUTO_OPS` indicates whether the automatic execution of rustfmt, clippy and toolchain setup - should be skipped. If it is set to `no`, they are skipped. This is used to allow automated IDE - actions to avoid the auto ops. -* `MIRI_LOG`, `MIRI_BACKTRACE` control logging and backtrace printing during - Miri executions, also [see "Testing the Miri driver" in `CONTRIBUTING.md`][testing-miri]. * `MIRIFLAGS` defines extra flags to be passed to Miri. * `MIRI_LIB_SRC` defines the directory where Miri expects the sources of the standard library that it will build and use for interpretation. This directory must point to the `library` subdirectory of a `rust-lang/rust` repository checkout. -* `MIRI_SYSROOT` indicates the sysroot to use. When using `cargo miri`, this skips the automatic +* `MIRI_SYSROOT` indicates the sysroot to use. When using `cargo miri test`/`cargo miri run`, this skips the automatic setup -- only set this if you do not want to use the automatically created sysroot. When invoking `cargo miri setup`, this indicates where the sysroot will be put. -* `MIRI_TEST_THREADS` (recognized by `./miri test`): set the number of threads to use for running tests. - By default, the number of cores is used. * `MIRI_NO_STD` makes sure that the target's sysroot is built without libstd. This allows testing - and running no_std programs. (Miri has a heuristic to detect no-std targets based on the target - name; this environment variable is only needed when that heuristic fails.) -* `MIRI_SKIP_UI_CHECKS` (recognized by `./miri test`): don't check whether the - `stderr` or `stdout` files match the actual output. + and running no_std programs. This should *not usually be used*; Miri has a heuristic to detect + no-std targets based on the target name. Setting this on a target that does support libstd can + lead to confusing results. [testing-miri]: CONTRIBUTING.md#testing-the-miri-driver From 459ce3f6bb5d8827835ed9b9f916eb189420b38a Mon Sep 17 00:00:00 2001 From: Scott McMurray Date: Sun, 21 Apr 2024 16:11:01 -0700 Subject: [PATCH 0671/1716] Add an intrinsic for `ptr::metadata` --- compiler/rustc_codegen_cranelift/src/base.rs | 38 +++++++---- .../rustc_codegen_cranelift/src/constant.rs | 2 +- .../src/value_and_place.rs | 8 +++ compiler/rustc_codegen_ssa/src/mir/operand.rs | 5 ++ compiler/rustc_codegen_ssa/src/mir/place.rs | 5 ++ compiler/rustc_codegen_ssa/src/mir/rvalue.rs | 34 +++++++--- .../rustc_const_eval/src/interpret/cast.rs | 2 +- .../src/interpret/operator.rs | 28 +++++++-- .../rustc_hir_analysis/src/check/intrinsic.rs | 2 + compiler/rustc_middle/src/mir/syntax.rs | 7 +++ compiler/rustc_middle/src/mir/tcx.rs | 26 +++++++- compiler/rustc_middle/src/ty/print/pretty.rs | 2 + .../src/lower_intrinsics.rs | 17 +++++ .../rustc_mir_transform/src/promote_consts.rs | 2 +- compiler/rustc_mir_transform/src/validate.rs | 10 +++ .../rustc_smir/src/rustc_internal/internal.rs | 14 ++++- compiler/rustc_smir/src/rustc_smir/context.rs | 10 ++- .../rustc_smir/src/rustc_smir/convert/mir.rs | 1 + compiler/rustc_span/src/symbol.rs | 1 + compiler/rustc_ty_utils/src/consts.rs | 2 +- compiler/stable_mir/src/compiler_interface.rs | 5 +- compiler/stable_mir/src/mir/body.rs | 14 ++++- library/core/src/intrinsics.rs | 15 +++++ library/core/src/ptr/metadata.rs | 21 +++++-- library/core/tests/ptr.rs | 12 ++++ tests/codegen/intrinsics/ptr_metadata.rs | 36 +++++++++++ ..._metadata.LowerIntrinsics.panic-abort.diff | 63 +++++++++++++++++++ ...metadata.LowerIntrinsics.panic-unwind.diff | 63 +++++++++++++++++++ tests/mir-opt/lower_intrinsics.rs | 9 +++ ...e_add_fat.PreCodegen.after.panic-abort.mir | 10 +-- ..._add_fat.PreCodegen.after.panic-unwind.mir | 10 +-- 31 files changed, 422 insertions(+), 52 deletions(-) create mode 100644 tests/codegen/intrinsics/ptr_metadata.rs create mode 100644 tests/mir-opt/lower_intrinsics.get_metadata.LowerIntrinsics.panic-abort.diff create mode 100644 tests/mir-opt/lower_intrinsics.get_metadata.LowerIntrinsics.panic-unwind.diff diff --git a/compiler/rustc_codegen_cranelift/src/base.rs b/compiler/rustc_codegen_cranelift/src/base.rs index 8d778f736d67..de1cd9c75c16 100644 --- a/compiler/rustc_codegen_cranelift/src/base.rs +++ b/compiler/rustc_codegen_cranelift/src/base.rs @@ -619,22 +619,34 @@ fn codegen_stmt<'tcx>( Rvalue::UnaryOp(un_op, ref operand) => { let operand = codegen_operand(fx, operand); let layout = operand.layout(); - let val = operand.load_scalar(fx); let res = match un_op { - UnOp::Not => match layout.ty.kind() { - ty::Bool => { - let res = fx.bcx.ins().icmp_imm(IntCC::Equal, val, 0); - CValue::by_val(res, layout) + UnOp::Not => { + let val = operand.load_scalar(fx); + match layout.ty.kind() { + ty::Bool => { + let res = fx.bcx.ins().icmp_imm(IntCC::Equal, val, 0); + CValue::by_val(res, layout) + } + ty::Uint(_) | ty::Int(_) => { + CValue::by_val(fx.bcx.ins().bnot(val), layout) + } + _ => unreachable!("un op Not for {:?}", layout.ty), } - ty::Uint(_) | ty::Int(_) => { - CValue::by_val(fx.bcx.ins().bnot(val), layout) + } + UnOp::Neg => { + let val = operand.load_scalar(fx); + match layout.ty.kind() { + ty::Int(_) => CValue::by_val(fx.bcx.ins().ineg(val), layout), + ty::Float(_) => CValue::by_val(fx.bcx.ins().fneg(val), layout), + _ => unreachable!("un op Neg for {:?}", layout.ty), } - _ => unreachable!("un op Not for {:?}", layout.ty), - }, - UnOp::Neg => match layout.ty.kind() { - ty::Int(_) => CValue::by_val(fx.bcx.ins().ineg(val), layout), - ty::Float(_) => CValue::by_val(fx.bcx.ins().fneg(val), layout), - _ => unreachable!("un op Neg for {:?}", layout.ty), + } + UnOp::PtrMetadata => match layout.abi { + Abi::Scalar(_) => CValue::zst(dest_layout), + Abi::ScalarPair(_, _) => { + CValue::by_val(operand.load_scalar_pair(fx).1, dest_layout) + } + _ => bug!("Unexpected `PtrToMetadata` operand: {operand:?}"), }, }; lval.write_cvalue(fx, res); diff --git a/compiler/rustc_codegen_cranelift/src/constant.rs b/compiler/rustc_codegen_cranelift/src/constant.rs index 64e83e43d327..ba98f2e772cb 100644 --- a/compiler/rustc_codegen_cranelift/src/constant.rs +++ b/compiler/rustc_codegen_cranelift/src/constant.rs @@ -100,7 +100,7 @@ pub(crate) fn codegen_const_value<'tcx>( assert!(layout.is_sized(), "unsized const value"); if layout.is_zst() { - return CValue::by_ref(crate::Pointer::dangling(layout.align.pref), layout); + return CValue::zst(layout); } match const_val { diff --git a/compiler/rustc_codegen_cranelift/src/value_and_place.rs b/compiler/rustc_codegen_cranelift/src/value_and_place.rs index 4146137c2263..512a96450a4b 100644 --- a/compiler/rustc_codegen_cranelift/src/value_and_place.rs +++ b/compiler/rustc_codegen_cranelift/src/value_and_place.rs @@ -95,6 +95,14 @@ impl<'tcx> CValue<'tcx> { CValue(CValueInner::ByValPair(value, extra), layout) } + /// Create an instance of a ZST + /// + /// The is represented by a dangling pointer of suitable alignment. + pub(crate) fn zst(layout: TyAndLayout<'tcx>) -> CValue<'tcx> { + assert!(layout.is_zst()); + CValue::by_ref(crate::Pointer::dangling(layout.align.pref), layout) + } + pub(crate) fn layout(&self) -> TyAndLayout<'tcx> { self.1 } diff --git a/compiler/rustc_codegen_ssa/src/mir/operand.rs b/compiler/rustc_codegen_ssa/src/mir/operand.rs index 5b2f9a3be279..cc0e91396506 100644 --- a/compiler/rustc_codegen_ssa/src/mir/operand.rs +++ b/compiler/rustc_codegen_ssa/src/mir/operand.rs @@ -565,6 +565,11 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { for elem in place_ref.projection.iter() { match elem { mir::ProjectionElem::Field(ref f, _) => { + debug_assert!( + !o.layout.ty.is_any_ptr(), + "Bad PlaceRef: destructing pointers should use cast/PtrMetadata, \ + but tried to access field {f:?} of pointer {o:?}", + ); o = o.extract_field(bx, f.index()); } mir::ProjectionElem::Index(_) diff --git a/compiler/rustc_codegen_ssa/src/mir/place.rs b/compiler/rustc_codegen_ssa/src/mir/place.rs index 7c3569a9dd2e..449fd9ae0db9 100644 --- a/compiler/rustc_codegen_ssa/src/mir/place.rs +++ b/compiler/rustc_codegen_ssa/src/mir/place.rs @@ -480,6 +480,11 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { cg_base = match *elem { mir::ProjectionElem::Deref => bx.load_operand(cg_base).deref(bx.cx()), mir::ProjectionElem::Field(ref field, _) => { + debug_assert!( + !cg_base.layout.ty.is_any_ptr(), + "Bad PlaceRef: destructing pointers should use cast/PtrMetadata, \ + but tried to access field {field:?} of pointer {cg_base:?}", + ); cg_base.project_field(bx, field.index()) } mir::ProjectionElem::OpaqueCast(ty) => { diff --git a/compiler/rustc_codegen_ssa/src/mir/rvalue.rs b/compiler/rustc_codegen_ssa/src/mir/rvalue.rs index 4dd80d34ea70..c23867be3a10 100644 --- a/compiler/rustc_codegen_ssa/src/mir/rvalue.rs +++ b/compiler/rustc_codegen_ssa/src/mir/rvalue.rs @@ -623,19 +623,36 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { mir::Rvalue::UnaryOp(op, ref operand) => { let operand = self.codegen_operand(bx, operand); - let lloperand = operand.immediate(); let is_float = operand.layout.ty.is_floating_point(); - let llval = match op { - mir::UnOp::Not => bx.not(lloperand), + let (val, layout) = match op { + mir::UnOp::Not => { + let llval = bx.not(operand.immediate()); + (OperandValue::Immediate(llval), operand.layout) + } mir::UnOp::Neg => { - if is_float { - bx.fneg(lloperand) + let llval = if is_float { + bx.fneg(operand.immediate()) } else { - bx.neg(lloperand) + bx.neg(operand.immediate()) + }; + (OperandValue::Immediate(llval), operand.layout) + } + mir::UnOp::PtrMetadata => { + debug_assert!(operand.layout.ty.is_unsafe_ptr()); + let (_, meta) = operand.val.pointer_parts(); + assert_eq!(operand.layout.fields.count() > 1, meta.is_some()); + if let Some(meta) = meta { + (OperandValue::Immediate(meta), operand.layout.field(self.cx, 1)) + } else { + (OperandValue::ZeroSized, bx.cx().layout_of(bx.tcx().types.unit)) } } }; - OperandRef { val: OperandValue::Immediate(llval), layout: operand.layout } + debug_assert!( + val.is_expected_variant_for_type(self.cx, layout), + "Made wrong variant {val:?} for type {layout:?}", + ); + OperandRef { val, layout } } mir::Rvalue::Discriminant(ref place) => { @@ -718,8 +735,9 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { let values = op.val.immediates_or_place().left_or_else(|p| { bug!("Field {field_idx:?} is {p:?} making {layout:?}"); }); - inputs.extend(values); let scalars = self.value_kind(op.layout).scalars().unwrap(); + debug_assert_eq!(values.len(), scalars.len()); + inputs.extend(values); input_scalars.extend(scalars); } diff --git a/compiler/rustc_const_eval/src/interpret/cast.rs b/compiler/rustc_const_eval/src/interpret/cast.rs index 737a70f335d0..19414c72c6a4 100644 --- a/compiler/rustc_const_eval/src/interpret/cast.rs +++ b/compiler/rustc_const_eval/src/interpret/cast.rs @@ -207,7 +207,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { assert!(cast_to.ty.is_unsafe_ptr()); // Handle casting any ptr to raw ptr (might be a fat ptr). if cast_to.size == src.layout.size { - // Thin or fat pointer that just hast the ptr kind of target type changed. + // Thin or fat pointer that just has the ptr kind of target type changed. return Ok(ImmTy::from_immediate(**src, cast_to)); } else { // Casting the metadata away from a fat ptr. diff --git a/compiler/rustc_const_eval/src/interpret/operator.rs b/compiler/rustc_const_eval/src/interpret/operator.rs index d23f0c4d45b0..6d005dfcd864 100644 --- a/compiler/rustc_const_eval/src/interpret/operator.rs +++ b/compiler/rustc_const_eval/src/interpret/operator.rs @@ -9,7 +9,7 @@ use rustc_middle::{bug, span_bug}; use rustc_span::symbol::sym; use tracing::trace; -use super::{err_ub, throw_ub, ImmTy, InterpCx, Machine}; +use super::{err_ub, throw_ub, ImmTy, InterpCx, Machine, MemPlaceMeta}; impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { fn three_way_compare(&self, lhs: T, rhs: T) -> ImmTy<'tcx, M::Provenance> { @@ -415,11 +415,11 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { use rustc_middle::mir::UnOp::*; let layout = val.layout; - let val = val.to_scalar(); trace!("Running unary op {:?}: {:?} ({})", un_op, val, layout.ty); match layout.ty.kind() { ty::Bool => { + let val = val.to_scalar(); let val = val.to_bool()?; let res = match un_op { Not => !val, @@ -428,6 +428,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { Ok(ImmTy::from_bool(res, *self.tcx)) } ty::Float(fty) => { + let val = val.to_scalar(); // No NaN adjustment here, `-` is a bitwise operation! let res = match (un_op, fty) { (Neg, FloatTy::F32) => Scalar::from_f32(-val.to_f32()?), @@ -436,8 +437,8 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { }; Ok(ImmTy::from_scalar(res, layout)) } - _ => { - assert!(layout.ty.is_integral()); + _ if layout.ty.is_integral() => { + let val = val.to_scalar(); let val = val.to_bits(layout.size)?; let res = match un_op { Not => self.truncate(!val, layout), // bitwise negation, then truncate @@ -450,9 +451,28 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { // Truncate to target type. self.truncate(res, layout) } + _ => span_bug!(self.cur_span(), "Invalid integer op {:?}", un_op), }; Ok(ImmTy::from_uint(res, layout)) } + ty::RawPtr(..) => { + assert_eq!(un_op, PtrMetadata); + let (_, meta) = val.to_scalar_and_meta(); + Ok(match meta { + MemPlaceMeta::Meta(scalar) => { + let ty = un_op.ty(*self.tcx, val.layout.ty); + let layout = self.layout_of(ty)?; + ImmTy::from_scalar(scalar, layout) + } + MemPlaceMeta::None => { + let unit_layout = self.layout_of(self.tcx.types.unit)?; + ImmTy::uninit(unit_layout) + } + }) + } + _ => { + bug!("Unexpected unary op argument {val:?}") + } } } } diff --git a/compiler/rustc_hir_analysis/src/check/intrinsic.rs b/compiler/rustc_hir_analysis/src/check/intrinsic.rs index 8506b8d75f95..f7989aeab41b 100644 --- a/compiler/rustc_hir_analysis/src/check/intrinsic.rs +++ b/compiler/rustc_hir_analysis/src/check/intrinsic.rs @@ -130,6 +130,7 @@ pub fn intrinsic_operation_unsafety(tcx: TyCtxt<'_>, intrinsic_id: LocalDefId) - | sym::is_val_statically_known | sym::ptr_mask | sym::aggregate_raw_ptr + | sym::ptr_metadata | sym::ub_checks | sym::fadd_algebraic | sym::fsub_algebraic @@ -576,6 +577,7 @@ pub fn check_intrinsic_type( // This type check is not particularly useful, but the `where` bounds // on the definition in `core` do the heavy lifting for checking it. sym::aggregate_raw_ptr => (3, 1, vec![param(1), param(2)], param(0)), + sym::ptr_metadata => (2, 1, vec![Ty::new_imm_ptr(tcx, param(0))], param(1)), sym::ub_checks => (0, 1, Vec::new(), tcx.types.bool), diff --git a/compiler/rustc_middle/src/mir/syntax.rs b/compiler/rustc_middle/src/mir/syntax.rs index 2d4852114332..ebe77a1abfd8 100644 --- a/compiler/rustc_middle/src/mir/syntax.rs +++ b/compiler/rustc_middle/src/mir/syntax.rs @@ -1434,6 +1434,13 @@ pub enum UnOp { Not, /// The `-` operator for negation Neg, + /// Get the metadata `M` from a `*const/mut impl Pointee`. + /// + /// For example, this will give a `()` from `*const i32`, a `usize` from + /// `*mut [u8]`, or a pointer to a vtable from a `*const dyn Foo`. + /// + /// Allowed only in [`MirPhase::Runtime`]; earlier it's an intrinsic. + PtrMetadata, } #[derive(Copy, Clone, Debug, PartialEq, PartialOrd, Ord, Eq, Hash)] diff --git a/compiler/rustc_middle/src/mir/tcx.rs b/compiler/rustc_middle/src/mir/tcx.rs index a122cffdb876..126387db1d9c 100644 --- a/compiler/rustc_middle/src/mir/tcx.rs +++ b/compiler/rustc_middle/src/mir/tcx.rs @@ -180,7 +180,10 @@ impl<'tcx> Rvalue<'tcx> { let rhs_ty = rhs.ty(local_decls, tcx); op.ty(tcx, lhs_ty, rhs_ty) } - Rvalue::UnaryOp(UnOp::Not | UnOp::Neg, ref operand) => operand.ty(local_decls, tcx), + Rvalue::UnaryOp(op, ref operand) => { + let arg_ty = operand.ty(local_decls, tcx); + op.ty(tcx, arg_ty) + } Rvalue::Discriminant(ref place) => place.ty(local_decls, tcx).ty.discriminant_ty(tcx), Rvalue::NullaryOp(NullOp::SizeOf | NullOp::AlignOf | NullOp::OffsetOf(..), _) => { tcx.types.usize @@ -282,6 +285,27 @@ impl<'tcx> BinOp { } } +impl<'tcx> UnOp { + pub fn ty(&self, tcx: TyCtxt<'tcx>, arg_ty: Ty<'tcx>) -> Ty<'tcx> { + match self { + UnOp::Not | UnOp::Neg => arg_ty, + UnOp::PtrMetadata => { + let pointee_ty = arg_ty + .builtin_deref(true) + .unwrap_or_else(|| bug!("PtrMetadata of non-dereferenceable ty {arg_ty:?}")); + if pointee_ty.is_trivially_sized(tcx) { + tcx.types.unit + } else { + let Some(metadata_def_id) = tcx.lang_items().metadata_type() else { + bug!("No metadata_type lang item while looking at {arg_ty:?}") + }; + Ty::new_projection(tcx, metadata_def_id, [pointee_ty]) + } + } + } + } +} + impl BorrowKind { pub fn to_mutbl_lossy(self) -> hir::Mutability { match self { diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs index 3c0f2578284a..83790db99260 100644 --- a/compiler/rustc_middle/src/ty/print/pretty.rs +++ b/compiler/rustc_middle/src/ty/print/pretty.rs @@ -1579,8 +1579,10 @@ pub trait PrettyPrinter<'tcx>: Printer<'tcx> + fmt::Write { let formatted_op = match op { UnOp::Not => "!", UnOp::Neg => "-", + UnOp::PtrMetadata => "PtrMetadata", }; let parenthesized = match ct.kind() { + _ if op == UnOp::PtrMetadata => true, ty::ConstKind::Expr(Expr::UnOp(c_op, ..)) => c_op != op, ty::ConstKind::Expr(_) => true, _ => false, diff --git a/compiler/rustc_mir_transform/src/lower_intrinsics.rs b/compiler/rustc_mir_transform/src/lower_intrinsics.rs index 221301b2ceb0..3ffc447217d7 100644 --- a/compiler/rustc_mir_transform/src/lower_intrinsics.rs +++ b/compiler/rustc_mir_transform/src/lower_intrinsics.rs @@ -316,6 +316,23 @@ impl<'tcx> MirPass<'tcx> for LowerIntrinsics { terminator.kind = TerminatorKind::Goto { target }; } + sym::ptr_metadata => { + let Ok([ptr]) = <[_; 1]>::try_from(std::mem::take(args)) else { + span_bug!( + terminator.source_info.span, + "Wrong number of arguments for ptr_metadata intrinsic", + ); + }; + let target = target.unwrap(); + block.statements.push(Statement { + source_info: terminator.source_info, + kind: StatementKind::Assign(Box::new(( + *destination, + Rvalue::UnaryOp(UnOp::PtrMetadata, ptr.node), + ))), + }); + terminator.kind = TerminatorKind::Goto { target }; + } _ => {} } } diff --git a/compiler/rustc_mir_transform/src/promote_consts.rs b/compiler/rustc_mir_transform/src/promote_consts.rs index e37f90ae7f40..7ec59cc983f5 100644 --- a/compiler/rustc_mir_transform/src/promote_consts.rs +++ b/compiler/rustc_mir_transform/src/promote_consts.rs @@ -464,7 +464,7 @@ impl<'tcx> Validator<'_, 'tcx> { Rvalue::UnaryOp(op, operand) => { match op { // These operations can never fail. - UnOp::Neg | UnOp::Not => {} + UnOp::Neg | UnOp::Not | UnOp::PtrMetadata => {} } self.validate_operand(operand)?; diff --git a/compiler/rustc_mir_transform/src/validate.rs b/compiler/rustc_mir_transform/src/validate.rs index 6df32169eecb..d9166d2fcd01 100644 --- a/compiler/rustc_mir_transform/src/validate.rs +++ b/compiler/rustc_mir_transform/src/validate.rs @@ -1109,6 +1109,16 @@ impl<'a, 'tcx> Visitor<'tcx> for TypeChecker<'a, 'tcx> { ty::Int(..) | ty::Uint(..) | ty::Bool ); } + UnOp::PtrMetadata => { + if !matches!(self.mir_phase, MirPhase::Runtime(_)) { + // It would probably be fine to support this in earlier phases, + // but at the time of writing it's only ever introduced from intrinsic lowering, + // so earlier things can just `bug!` on it. + self.fail(location, "PtrMetadata should be in runtime MIR only"); + } + + check_kinds!(a, "Cannot PtrMetadata non-pointer type {:?}", ty::RawPtr(..)); + } } } Rvalue::ShallowInitBox(operand, _) => { diff --git a/compiler/rustc_smir/src/rustc_internal/internal.rs b/compiler/rustc_smir/src/rustc_internal/internal.rs index 6b73c1ebd1ca..6ec710f97d16 100644 --- a/compiler/rustc_smir/src/rustc_internal/internal.rs +++ b/compiler/rustc_smir/src/rustc_internal/internal.rs @@ -10,7 +10,7 @@ use rustc_span::Symbol; use stable_mir::abi::Layout; use stable_mir::mir::alloc::AllocId; use stable_mir::mir::mono::{Instance, MonoItem, StaticDef}; -use stable_mir::mir::{BinOp, Mutability, Place, ProjectionElem, Safety}; +use stable_mir::mir::{BinOp, Mutability, Place, ProjectionElem, Safety, UnOp}; use stable_mir::ty::{ Abi, AdtDef, Binder, BoundRegionKind, BoundTyKind, BoundVariableKind, ClosureKind, Const, DynKind, ExistentialPredicate, ExistentialProjection, ExistentialTraitRef, FloatTy, FnSig, @@ -582,6 +582,18 @@ impl RustcInternal for BinOp { } } +impl RustcInternal for UnOp { + type T<'tcx> = rustc_middle::mir::UnOp; + + fn internal<'tcx>(&self, _tables: &mut Tables<'_>, _tcx: TyCtxt<'tcx>) -> Self::T<'tcx> { + match self { + UnOp::Not => rustc_middle::mir::UnOp::Not, + UnOp::Neg => rustc_middle::mir::UnOp::Neg, + UnOp::PtrMetadata => rustc_middle::mir::UnOp::PtrMetadata, + } + } +} + impl RustcInternal for &T where T: RustcInternal, diff --git a/compiler/rustc_smir/src/rustc_smir/context.rs b/compiler/rustc_smir/src/rustc_smir/context.rs index 7afe46f2cbe1..fa7b2a30ba6c 100644 --- a/compiler/rustc_smir/src/rustc_smir/context.rs +++ b/compiler/rustc_smir/src/rustc_smir/context.rs @@ -19,7 +19,7 @@ use stable_mir::abi::{FnAbi, Layout, LayoutShape}; use stable_mir::compiler_interface::Context; use stable_mir::mir::alloc::GlobalAlloc; use stable_mir::mir::mono::{InstanceDef, StaticDef}; -use stable_mir::mir::{BinOp, Body, Place}; +use stable_mir::mir::{BinOp, Body, Place, UnOp}; use stable_mir::target::{MachineInfo, MachineSize}; use stable_mir::ty::{ AdtDef, AdtKind, Allocation, ClosureDef, ClosureKind, Const, FieldDef, FnDef, ForeignDef, @@ -700,6 +700,14 @@ impl<'tcx> Context for TablesWrapper<'tcx> { let ty = bin_op.internal(&mut *tables, tcx).ty(tcx, rhs_internal, lhs_internal); ty.stable(&mut *tables) } + + fn unop_ty(&self, un_op: UnOp, arg: Ty) -> Ty { + let mut tables = self.0.borrow_mut(); + let tcx = tables.tcx; + let arg_internal = arg.internal(&mut *tables, tcx); + let ty = un_op.internal(&mut *tables, tcx).ty(tcx, arg_internal); + ty.stable(&mut *tables) + } } pub struct TablesWrapper<'tcx>(pub RefCell>); diff --git a/compiler/rustc_smir/src/rustc_smir/convert/mir.rs b/compiler/rustc_smir/src/rustc_smir/convert/mir.rs index d89caabab3e1..a1a5c09ef0af 100644 --- a/compiler/rustc_smir/src/rustc_smir/convert/mir.rs +++ b/compiler/rustc_smir/src/rustc_smir/convert/mir.rs @@ -526,6 +526,7 @@ impl<'tcx> Stable<'tcx> for mir::UnOp { match self { UnOp::Not => stable_mir::mir::UnOp::Not, UnOp::Neg => stable_mir::mir::UnOp::Neg, + UnOp::PtrMetadata => stable_mir::mir::UnOp::PtrMetadata, } } } diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index ace4dff46aa0..b025fe5454c2 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -1433,6 +1433,7 @@ symbols! { ptr_guaranteed_cmp, ptr_is_null, ptr_mask, + ptr_metadata, ptr_null, ptr_null_mut, ptr_offset_from, diff --git a/compiler/rustc_ty_utils/src/consts.rs b/compiler/rustc_ty_utils/src/consts.rs index 58447f6d6a31..e9112d232cbd 100644 --- a/compiler/rustc_ty_utils/src/consts.rs +++ b/compiler/rustc_ty_utils/src/consts.rs @@ -94,7 +94,7 @@ fn check_binop(op: mir::BinOp) -> bool { fn check_unop(op: mir::UnOp) -> bool { use mir::UnOp::*; match op { - Not | Neg => true, + Not | Neg | PtrMetadata => true, } } diff --git a/compiler/stable_mir/src/compiler_interface.rs b/compiler/stable_mir/src/compiler_interface.rs index 4dd64228bbad..858ce5301d84 100644 --- a/compiler/stable_mir/src/compiler_interface.rs +++ b/compiler/stable_mir/src/compiler_interface.rs @@ -8,7 +8,7 @@ use std::cell::Cell; use crate::abi::{FnAbi, Layout, LayoutShape}; use crate::mir::alloc::{AllocId, GlobalAlloc}; use crate::mir::mono::{Instance, InstanceDef, StaticDef}; -use crate::mir::{BinOp, Body, Place}; +use crate::mir::{BinOp, Body, Place, UnOp}; use crate::target::MachineInfo; use crate::ty::{ AdtDef, AdtKind, Allocation, ClosureDef, ClosureKind, Const, FieldDef, FnDef, ForeignDef, @@ -226,6 +226,9 @@ pub trait Context { /// Get the resulting type of binary operation. fn binop_ty(&self, bin_op: BinOp, rhs: Ty, lhs: Ty) -> Ty; + + /// Get the resulting type of unary operation. + fn unop_ty(&self, un_op: UnOp, arg: Ty) -> Ty; } // A thread local variable that stores a pointer to the tables mapping between TyCtxt diff --git a/compiler/stable_mir/src/mir/body.rs b/compiler/stable_mir/src/mir/body.rs index a1432acf93cb..4c779ae96a81 100644 --- a/compiler/stable_mir/src/mir/body.rs +++ b/compiler/stable_mir/src/mir/body.rs @@ -346,6 +346,15 @@ impl BinOp { pub enum UnOp { Not, Neg, + PtrMetadata, +} + +impl UnOp { + /// Return the type of this operation for the given input Ty. + /// This function does not perform type checking, and it currently doesn't handle SIMD. + pub fn ty(&self, arg_ty: Ty) -> Ty { + with(|ctx| ctx.unop_ty(*self, arg_ty)) + } } #[derive(Clone, Debug, Eq, PartialEq)] @@ -580,7 +589,10 @@ impl Rvalue { let ty = op.ty(lhs_ty, rhs_ty); Ok(Ty::new_tuple(&[ty, Ty::bool_ty()])) } - Rvalue::UnaryOp(UnOp::Not | UnOp::Neg, operand) => operand.ty(locals), + Rvalue::UnaryOp(op, operand) => { + let arg_ty = operand.ty(locals)?; + Ok(op.ty(arg_ty)) + } Rvalue::Discriminant(place) => { let place_ty = place.ty(locals)?; place_ty diff --git a/library/core/src/intrinsics.rs b/library/core/src/intrinsics.rs index 5a2a4c5ae6eb..89e0b6709951 100644 --- a/library/core/src/intrinsics.rs +++ b/library/core/src/intrinsics.rs @@ -2821,6 +2821,21 @@ impl AggregateRawPtr<*mut T> for *mut P { type Metadata =